X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fscsi%2Fadvansys.c;h=7507d8bc57a196b7e7d9608732789206d5251381;hb=935bd5b971f0df7c06d214d022cf8392e2f37952;hp=306bec355e45c9abc80b03631c23c64616983346;hpb=d8dafd8ccde06f16095234dc3addf52b511805b3;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 306bec3..7507d8b 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -1,765 +1,27 @@ -#define ASC_VERSION "3.3K" /* AdvanSys Driver Version */ +#define DRV_NAME "advansys" +#define ASC_VERSION "3.4" /* AdvanSys Driver Version */ /* * advansys.c - Linux Host Driver for AdvanSys SCSI Adapters * * Copyright (c) 1995-2000 Advanced System Products, Inc. * Copyright (c) 2000-2001 ConnectCom Solutions, Inc. + * Copyright (c) 2007 Matthew Wilcox * All Rights Reserved. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that redistributions of source - * code retain the above copyright notice and this comment without - * modification. - * - * As of March 8, 2000 Advanced System Products, Inc. (AdvanSys) - * changed its name to ConnectCom Solutions, Inc. - * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. */ /* - - Documentation for the AdvanSys Driver - - A. Linux Kernels Supported by this Driver - B. Adapters Supported by this Driver - C. Linux source files modified by AdvanSys Driver - D. Source Comments - E. Driver Compile Time Options and Debugging - F. Driver LILO Option - G. Tests to run before releasing new driver - H. Release History - I. Known Problems/Fix List - J. Credits (Chronological Order) - - A. Linux Kernels Supported by this Driver - - This driver has been tested in the following Linux kernels: v2.2.18 - v2.4.0. The driver is supported on v2.2 and v2.4 kernels and on x86, - alpha, and PowerPC platforms. - - B. Adapters Supported by this Driver - - AdvanSys (Advanced System Products, Inc.) manufactures the following - RISC-based, Bus-Mastering, Fast (10 Mhz) and Ultra (20 Mhz) Narrow - (8-bit transfer) SCSI Host Adapters for the ISA, EISA, VL, and PCI - buses and RISC-based, Bus-Mastering, Ultra (20 Mhz) Wide (16-bit - transfer) SCSI Host Adapters for the PCI bus. - - The CDB counts below indicate the number of SCSI CDB (Command - Descriptor Block) requests that can be stored in the RISC chip - cache and board LRAM. A CDB is a single SCSI command. The driver - detect routine will display the number of CDBs available for each - adapter detected. The number of CDBs used by the driver can be - lowered in the BIOS by changing the 'Host Queue Size' adapter setting. - - Laptop Products: - ABP-480 - Bus-Master CardBus (16 CDB) (2.4 kernel and greater) - - Connectivity Products: - ABP510/5150 - Bus-Master ISA (240 CDB) - ABP5140 - Bus-Master ISA PnP (16 CDB) - ABP5142 - Bus-Master ISA PnP with floppy (16 CDB) - ABP902/3902 - Bus-Master PCI (16 CDB) - ABP3905 - Bus-Master PCI (16 CDB) - ABP915 - Bus-Master PCI (16 CDB) - ABP920 - Bus-Master PCI (16 CDB) - ABP3922 - Bus-Master PCI (16 CDB) - ABP3925 - Bus-Master PCI (16 CDB) - ABP930 - Bus-Master PCI (16 CDB) - ABP930U - Bus-Master PCI Ultra (16 CDB) - ABP930UA - Bus-Master PCI Ultra (16 CDB) - ABP960 - Bus-Master PCI MAC/PC (16 CDB) - ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) - - Single Channel Products: - ABP542 - Bus-Master ISA with floppy (240 CDB) - ABP742 - Bus-Master EISA (240 CDB) - ABP842 - Bus-Master VL (240 CDB) - ABP940 - Bus-Master PCI (240 CDB) - ABP940U - Bus-Master PCI Ultra (240 CDB) - ABP940UA/3940UA - Bus-Master PCI Ultra (240 CDB) - ABP970 - Bus-Master PCI MAC/PC (240 CDB) - ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB) - ABP3960UA - Bus-Master PCI MAC/PC Ultra (240 CDB) - ABP940UW/3940UW - Bus-Master PCI Ultra-Wide (253 CDB) - ABP970UW - Bus-Master PCI MAC/PC Ultra-Wide (253 CDB) - ABP3940U2W - Bus-Master PCI LVD/Ultra2-Wide (253 CDB) - - Multi-Channel Products: - ABP752 - Dual Channel Bus-Master EISA (240 CDB Per Channel) - ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel) - ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel) - ABP950UW - Dual Channel Bus-Master PCI Ultra-Wide (253 CDB Per Channel) - ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel) - ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel) - ABP980UA/3980UA - Four Channel Bus-Master PCI Ultra (16 CDB Per Chan.) - ABP3950U2W - Bus-Master PCI LVD/Ultra2-Wide and Ultra-Wide (253 CDB) - ABP3950U3W - Bus-Master PCI Dual LVD2/Ultra3-Wide (253 CDB) - - C. Linux source files modified by AdvanSys Driver - - This section for historical purposes documents the changes - originally made to the Linux kernel source to add the advansys - driver. As Linux has changed some of these files have also - been modified. - - 1. linux/arch/i386/config.in: - - bool 'AdvanSys SCSI support' CONFIG_SCSI_ADVANSYS y - - 2. linux/drivers/scsi/hosts.c: - - #ifdef CONFIG_SCSI_ADVANSYS - #include "advansys.h" - #endif - - and after "static struct scsi_host_template builtin_scsi_hosts[] =": - - #ifdef CONFIG_SCSI_ADVANSYS - ADVANSYS, - #endif - - 3. linux/drivers/scsi/Makefile: - - ifdef CONFIG_SCSI_ADVANSYS - SCSI_SRCS := $(SCSI_SRCS) advansys.c - SCSI_OBJS := $(SCSI_OBJS) advansys.o - else - SCSI_MODULE_OBJS := $(SCSI_MODULE_OBJS) advansys.o - endif - - 4. linux/init/main.c: - - extern void advansys_setup(char *str, int *ints); - - and add the following lines to the bootsetups[] array. - - #ifdef CONFIG_SCSI_ADVANSYS - { "advansys=", advansys_setup }, - #endif - - D. Source Comments - - 1. Use tab stops set to 4 for the source files. For vi use 'se tabstops=4'. - - 2. This driver should be maintained in multiple files. But to make - it easier to include with Linux and to follow Linux conventions, - the whole driver is maintained in the source files advansys.h and - advansys.c. In this file logical sections of the driver begin with - a comment that contains '---'. The following are the logical sections - of the driver below. - - --- Linux Version - --- Linux Include File - --- Driver Options - --- Debugging Header - --- Asc Library Constants and Macros - --- Adv Library Constants and Macros - --- Driver Constants and Macros - --- Driver Structures - --- Driver Data - --- Driver Function Prototypes - --- Linux 'struct scsi_host_template' and advansys_setup() Functions - --- Loadable Driver Support - --- Miscellaneous Driver Functions - --- Functions Required by the Asc Library - --- Functions Required by the Adv Library - --- Tracing and Debugging Functions - --- Asc Library Functions - --- Adv Library Functions - - 3. The string 'XXX' is used to flag code that needs to be re-written - or that contains a problem that needs to be addressed. - - 4. I have stripped comments from and reformatted the source for the - Asc Library and Adv Library to reduce the size of this file. This - source can be found under the following headings. The Asc Library - is used to support Narrow Boards. The Adv Library is used to - support Wide Boards. - - --- Asc Library Constants and Macros - --- Adv Library Constants and Macros - --- Asc Library Functions - --- Adv Library Functions - - E. Driver Compile Time Options and Debugging - - In this source file the following constants can be defined. They are - defined in the source below. Both of these options are enabled by - default. - - 1. ADVANSYS_ASSERT - Enable driver assertions (Def: Enabled) - - Enabling this option adds assertion logic statements to the - driver. If an assertion fails a message will be displayed to - the console, but the system will continue to operate. Any - assertions encountered should be reported to the person - responsible for the driver. Assertion statements may proactively - detect problems with the driver and facilitate fixing these - problems. Enabling assertions will add a small overhead to the - execution of the driver. - - 2. ADVANSYS_DEBUG - Enable driver debugging (Def: Disabled) - - Enabling this option adds tracing functions to the driver and - the ability to set a driver tracing level at boot time. This - option will also export symbols not required outside the driver to - the kernel name space. This option is very useful for debugging - the driver, but it will add to the size of the driver execution - image and add overhead to the execution of the driver. - - The amount of debugging output can be controlled with the global - variable 'asc_dbglvl'. The higher the number the more output. By - default the debug level is 0. - - If the driver is loaded at boot time and the LILO Driver Option - is included in the system, the debug level can be changed by - specifying a 5th (ASC_NUM_IOPORT_PROBE + 1) I/O Port. The - first three hex digits of the pseudo I/O Port must be set to - 'deb' and the fourth hex digit specifies the debug level: 0 - F. - The following command line will look for an adapter at 0x330 - and set the debug level to 2. - - linux advansys=0x330,0,0,0,0xdeb2 - - If the driver is built as a loadable module this variable can be - defined when the driver is loaded. The following insmod command - will set the debug level to one. - - insmod advansys.o asc_dbglvl=1 - - Debugging Message Levels: - 0: Errors Only - 1: High-Level Tracing - 2-N: Verbose Tracing - - To enable debug output to console, please make sure that: - - a. System and kernel logging is enabled (syslogd, klogd running). - b. Kernel messages are routed to console output. Check - /etc/syslog.conf for an entry similar to this: - - kern.* /dev/console - - c. klogd is started with the appropriate -c parameter - (e.g. klogd -c 8) - - This will cause printk() messages to be be displayed on the - current console. Refer to the klogd(8) and syslogd(8) man pages - for details. - - Alternatively you can enable printk() to console with this - program. However, this is not the 'official' way to do this. - Debug output is logged in /var/log/messages. - - main() - { - syscall(103, 7, 0, 0); - } - - Increasing LOG_BUF_LEN in kernel/printk.c to something like - 40960 allows more debug messages to be buffered in the kernel - and written to the console or log file. - - 3. ADVANSYS_STATS - Enable statistics (Def: Enabled >= v1.3.0) - - Enabling this option adds statistics collection and display - through /proc to the driver. The information is useful for - monitoring driver and device performance. It will add to the - size of the driver execution image and add minor overhead to - the execution of the driver. - - Statistics are maintained on a per adapter basis. Driver entry - point call counts and transfer size counts are maintained. - Statistics are only available for kernels greater than or equal - to v1.3.0 with the CONFIG_PROC_FS (/proc) file system configured. - - AdvanSys SCSI adapter files have the following path name format: - - /proc/scsi/advansys/[0-(ASC_NUM_BOARD_SUPPORTED-1)] - - This information can be displayed with cat. For example: - - cat /proc/scsi/advansys/0 - - When ADVANSYS_STATS is not defined the AdvanSys /proc files only - contain adapter and device configuration information. - - F. Driver LILO Option - - If init/main.c is modified as described in the 'Directions for Adding - the AdvanSys Driver to Linux' section (B.4.) above, the driver will - recognize the 'advansys' LILO command line and /etc/lilo.conf option. - This option can be used to either disable I/O port scanning or to limit - scanning to 1 - 4 I/O ports. Regardless of the option setting EISA and - PCI boards will still be searched for and detected. This option only - affects searching for ISA and VL boards. - - Examples: - 1. Eliminate I/O port scanning: - boot: linux advansys= - or - boot: linux advansys=0x0 - 2. Limit I/O port scanning to one I/O port: - boot: linux advansys=0x110 - 3. Limit I/O port scanning to four I/O ports: - boot: linux advansys=0x110,0x210,0x230,0x330 - - For a loadable module the same effect can be achieved by setting - the 'asc_iopflag' variable and 'asc_ioport' array when loading - the driver, e.g. - - insmod advansys.o asc_iopflag=1 asc_ioport=0x110,0x330 - - If ADVANSYS_DEBUG is defined a 5th (ASC_NUM_IOPORT_PROBE + 1) - I/O Port may be added to specify the driver debug level. Refer to - the 'Driver Compile Time Options and Debugging' section above for - more information. - - G. Tests to run before releasing new driver - - 1. In the supported kernels verify there are no warning or compile - errors when the kernel is built as both a driver and as a module - and with the following options: - - ADVANSYS_DEBUG - enabled and disabled - CONFIG_SMP - enabled and disabled - CONFIG_PROC_FS - enabled and disabled - - 2. Run tests on an x86, alpha, and PowerPC with at least one narrow - card and one wide card attached to a hard disk and CD-ROM drive: - fdisk, mkfs, fsck, bonnie, copy/compare test from the - CD-ROM to the hard drive. - - H. Release History - - BETA-1.0 (12/23/95): - First Release - - BETA-1.1 (12/28/95): - 1. Prevent advansys_detect() from being called twice. - 2. Add LILO 0xdeb[0-f] option to set 'asc_dbglvl'. - - 1.2 (1/12/96): - 1. Prevent re-entrancy in the interrupt handler which - resulted in the driver hanging Linux. - 2. Fix problem that prevented ABP-940 cards from being - recognized on some PCI motherboards. - 3. Add support for the ABP-5140 PnP ISA card. - 4. Fix check condition return status. - 5. Add conditionally compiled code for Linux v1.3.X. - - 1.3 (2/23/96): - 1. Fix problem in advansys_biosparam() that resulted in the - wrong drive geometry being returned for drives > 1GB with - extended translation enabled. - 2. Add additional tracing during device initialization. - 3. Change code that only applies to ISA PnP adapter. - 4. Eliminate 'make dep' warning. - 5. Try to fix problem with handling resets by increasing their - timeout value. - - 1.4 (5/8/96): - 1. Change definitions to eliminate conflicts with other subsystems. - 2. Add versioning code for the shared interrupt changes. - 3. Eliminate problem in asc_rmqueue() with iterating after removing - a request. - 4. Remove reset request loop problem from the "Known Problems or - Issues" section. This problem was isolated and fixed in the - mid-level SCSI driver. - - 1.5 (8/8/96): - 1. Add support for ABP-940U (PCI Ultra) adapter. - 2. Add support for IRQ sharing by setting the IRQF_SHARED flag for - request_irq and supplying a dev_id pointer to both request_irq() - and free_irq(). - 3. In AscSearchIOPortAddr11() restore a call to check_region() which - should be used before I/O port probing. - 4. Fix bug in asc_prt_hex() which resulted in the displaying - the wrong data. - 5. Incorporate miscellaneous Asc Library bug fixes and new microcode. - 6. Change driver versioning to be specific to each Linux sub-level. - 7. Change statistics gathering to be per adapter instead of global - to the driver. - 8. Add more information and statistics to the adapter /proc file: - /proc/scsi/advansys[0...]. - 9. Remove 'cmd_per_lun' from the "Known Problems or Issues" list. - This problem has been addressed with the SCSI mid-level changes - made in v1.3.89. The advansys_select_queue_depths() function - was added for the v1.3.89 changes. - - 1.6 (9/10/96): - 1. Incorporate miscellaneous Asc Library bug fixes and new microcode. - - 1.7 (9/25/96): - 1. Enable clustering and optimize the setting of the maximum number - of scatter gather elements for any particular board. Clustering - increases CPU utilization, but results in a relatively larger - increase in I/O throughput. - 2. Improve the performance of the request queuing functions by - adding a last pointer to the queue structure. - 3. Correct problems with reset and abort request handling that - could have hung or crashed Linux. - 4. Add more information to the adapter /proc file: - /proc/scsi/advansys[0...]. - 5. Remove the request timeout issue form the driver issues list. - 6. Miscellaneous documentation additions and changes. - - 1.8 (10/4/96): - 1. Make changes to handle the new v2.1.0 kernel memory mapping - in which a kernel virtual address may not be equivalent to its - bus or DMA memory address. - 2. Change abort and reset request handling to make it yet even - more robust. - 3. Try to mitigate request starvation by sending ordered requests - to heavily loaded, tag queuing enabled devices. - 4. Maintain statistics on request response time. - 5. Add request response time statistics and other information to - the adapter /proc file: /proc/scsi/advansys[0...]. - - 1.9 (10/21/96): - 1. Add conditionally compiled code (ASC_QUEUE_FLOW_CONTROL) to - make use of mid-level SCSI driver device queue depth flow - control mechanism. This will eliminate aborts caused by a - device being unable to keep up with requests and eliminate - repeat busy or QUEUE FULL status returned by a device. - 2. Incorporate miscellaneous Asc Library bug fixes. - 3. To allow the driver to work in kernels with broken module - support set 'cmd_per_lun' if the driver is compiled as a - module. This change affects kernels v1.3.89 to present. - 4. Remove PCI BIOS address from the driver banner. The PCI BIOS - is relocated by the motherboard BIOS and its new address can - not be determined by the driver. - 5. Add mid-level SCSI queue depth information to the adapter - /proc file: /proc/scsi/advansys[0...]. - - 2.0 (11/14/96): - 1. Change allocation of global structures used for device - initialization to guarantee they are in DMA-able memory. - Previously when the driver was loaded as a module these - structures might not have been in DMA-able memory, causing - device initialization to fail. - - 2.1 (12/30/96): - 1. In advansys_reset(), if the request is a synchronous reset - request, even if the request serial number has changed, then - complete the request. - 2. Add Asc Library bug fixes including new microcode. - 3. Clear inquiry buffer before using it. - 4. Correct ifdef typo. - - 2.2 (1/15/97): - 1. Add Asc Library bug fixes including new microcode. - 2. Add synchronous data transfer rate information to the - adapter /proc file: /proc/scsi/advansys[0...]. - 3. Change ADVANSYS_DEBUG to be disabled by default. This - will reduce the size of the driver image, eliminate execution - overhead, and remove unneeded symbols from the kernel symbol - space that were previously added by the driver. - 4. Add new compile-time option ADVANSYS_ASSERT for assertion - code that used to be defined within ADVANSYS_DEBUG. This - option is enabled by default. - - 2.8 (5/26/97): - 1. Change version number to 2.8 to synchronize the Linux driver - version numbering with other AdvanSys drivers. - 2. Reformat source files without tabs to present the same view - of the file to everyone regardless of the editor tab setting - being used. - 3. Add Asc Library bug fixes. - - 3.1A (1/8/98): - 1. Change version number to 3.1 to indicate that support for - Ultra-Wide adapters (ABP-940UW) is included in this release. - 2. Add Asc Library (Narrow Board) bug fixes. - 3. Report an underrun condition with the host status byte set - to DID_UNDERRUN. Currently DID_UNDERRUN is defined to 0 which - causes the underrun condition to be ignored. When Linux defines - its own DID_UNDERRUN the constant defined in this file can be - removed. - 4. Add patch to AscWaitTixISRDone(). - 5. Add support for up to 16 different AdvanSys host adapter SCSI - channels in one system. This allows four cards with four channels - to be used in one system. - - 3.1B (1/9/98): - 1. Handle that PCI register base addresses are not always page - aligned even though ioremap() requires that the address argument - be page aligned. - - 3.1C (1/10/98): - 1. Update latest BIOS version checked for from the /proc file. - 2. Don't set microcode SDTR variable at initialization. Instead - wait until device capabilities have been detected from an Inquiry - command. - - 3.1D (1/21/98): - 1. Improve performance when the driver is compiled as module by - allowing up to 64 scatter-gather elements instead of 8. - - 3.1E (5/1/98): - 1. Set time delay in AscWaitTixISRDone() to 1000 ms. - 2. Include SMP locking changes. - 3. For v2.1.93 and newer kernels use CONFIG_PCI and new PCI BIOS - access functions. - 4. Update board serial number printing. - 5. Try allocating an IRQ both with and without the IRQF_DISABLED - flag set to allow IRQ sharing with drivers that do not set - the IRQF_DISABLED flag. Also display a more descriptive error - message if request_irq() fails. - 6. Update to latest Asc and Adv Libraries. - - 3.2A (7/22/99): - 1. Update Adv Library to 4.16 which includes support for - the ASC38C0800 (Ultra2/LVD) IC. - - 3.2B (8/23/99): - 1. Correct PCI compile time option for v2.1.93 and greater - kernels, advansys_info() string, and debug compile time - option. - 2. Correct DvcSleepMilliSecond() for v2.1.0 and greater - kernels. This caused an LVD detection/BIST problem problem - among other things. - 3. Sort PCI cards by PCI Bus, Slot, Function ascending order - to be consistent with the BIOS. - 4. Update to Asc Library S121 and Adv Library 5.2. - - 3.2C (8/24/99): - 1. Correct PCI card detection bug introduced in 3.2B that - prevented PCI cards from being detected in kernels older - than v2.1.93. - - 3.2D (8/26/99): - 1. Correct /proc device synchronous speed information display. - Also when re-negotiation is pending for a target device - note this condition with an * and footnote. - 2. Correct initialization problem with Ultra-Wide cards that - have a pre-3.2 BIOS. A microcode variable changed locations - in 3.2 and greater BIOSes which caused WDTR to be attempted - erroneously with drives that don't support WDTR. - - 3.2E (8/30/99): - 1. Fix compile error caused by v2.3.13 PCI structure change. - 2. Remove field from ASCEEP_CONFIG that resulted in an EEPROM - checksum error for ISA cards. - 3. Remove ASC_QUEUE_FLOW_CONTROL conditional code. The mid-level - SCSI changes that it depended on were never included in Linux. - - 3.2F (9/3/99): - 1. Handle new initial function code added in v2.3.16 for all - driver versions. - - 3.2G (9/8/99): - 1. Fix PCI board detection in v2.3.13 and greater kernels. - 2. Fix comiple errors in v2.3.X with debugging enabled. - - 3.2H (9/13/99): - 1. Add 64-bit address, long support for Alpha and UltraSPARC. - The driver has been verified to work on an Alpha system. - 2. Add partial byte order handling support for Power PC and - other big-endian platforms. This support has not yet been - completed or verified. - 3. For wide boards replace block zeroing of request and - scatter-gather structures with individual field initialization - to improve performance. - 4. Correct and clarify ROM BIOS version detection. - - 3.2I (10/8/99): - 1. Update to Adv Library 5.4. - 2. Add v2.3.19 underrun reporting to asc_isr_callback() and - adv_isr_callback(). Remove DID_UNDERRUN constant and other - no longer needed code that previously documented the lack - of underrun handling. - - 3.2J (10/14/99): - 1. Eliminate compile errors for v2.0 and earlier kernels. - - 3.2K (11/15/99): - 1. Correct debug compile error in asc_prt_adv_scsi_req_q(). - 2. Update Adv Library to 5.5. - 3. Add ifdef handling for /proc changes added in v2.3.28. - 4. Increase Wide board scatter-gather list maximum length to - 255 when the driver is compiled into the kernel. - - 3.2L (11/18/99): - 1. Fix bug in adv_get_sglist() that caused an assertion failure - at line 7475. The reqp->sgblkp pointer must be initialized - to NULL in adv_get_sglist(). - - 3.2M (11/29/99): - 1. Really fix bug in adv_get_sglist(). - 2. Incorporate v2.3.29 changes into driver. - - 3.2N (4/1/00): - 1. Add CONFIG_ISA ifdef code. - 2. Include advansys_interrupts_enabled name change patch. - 3. For >= v2.3.28 use new SCSI error handling with new function - advansys_eh_bus_reset(). Don't include an abort function - because of base library limitations. - 4. For >= v2.3.28 use per board lock instead of io_request_lock. - 5. For >= v2.3.28 eliminate advansys_command() and - advansys_command_done(). - 6. Add some changes for PowerPC (Big Endian) support, but it isn't - working yet. - 7. Fix "nonexistent resource free" problem that occurred on a module - unload for boards with an I/O space >= 255. The 'n_io_port' field - is only one byte and can not be used to hold an ioport length more - than 255. - - 3.3A (4/4/00): - 1. Update to Adv Library 5.8. - 2. For wide cards add support for CDBs up to 16 bytes. - 3. Eliminate warnings when CONFIG_PROC_FS is not defined. - - 3.3B (5/1/00): - 1. Support for PowerPC (Big Endian) wide cards. Narrow cards - still need work. - 2. Change bitfields to shift and mask access for endian - portability. - - 3.3C (10/13/00): - 1. Update for latest 2.4 kernel. - 2. Test ABP-480 CardBus support in 2.4 kernel - works! - 3. Update to Asc Library S123. - 4. Update to Adv Library 5.12. - - 3.3D (11/22/00): - 1. Update for latest 2.4 kernel. - 2. Create patches for 2.2 and 2.4 kernels. - - 3.3E (1/9/01): - 1. Now that 2.4 is released remove ifdef code for kernel versions - less than 2.2. The driver is now only supported in kernels 2.2, - 2.4, and greater. - 2. Add code to release and acquire the io_request_lock in - the driver entrypoint functions: advansys_detect and - advansys_queuecommand. In kernel 2.4 the SCSI mid-level driver - still holds the io_request_lock on entry to SCSI low-level drivers. - This was supposed to be removed before 2.4 was released but never - happened. When the mid-level SCSI driver is changed all references - to the io_request_lock should be removed from the driver. - 3. Simplify error handling by removing advansys_abort(), - AscAbortSRB(), AscResetDevice(). SCSI bus reset requests are - now handled by resetting the SCSI bus and fully re-initializing - the chip. This simple method of error recovery has proven to work - most reliably after attempts at different methods. Also now only - support the "new" error handling method and remove the obsolete - error handling interface. - 4. Fix debug build errors. - - 3.3F (1/24/01): - 1. Merge with ConnectCom version from Andy Kellner which - updates Adv Library to 5.14. - 2. Make PowerPC (Big Endian) work for narrow cards and - fix problems writing EEPROM for wide cards. - 3. Remove interrupts_enabled assertion function. - - 3.3G (2/16/01): - 1. Return an error from narrow boards if passed a 16 byte - CDB. The wide board can already handle 16 byte CDBs. - - 3.3GJ (4/15/02): - 1. hacks for lk 2.5 series (D. Gilbert) - - 3.3GJD (10/14/02): - 1. change select_queue_depths to slave_configure - 2. make cmd_per_lun be sane again - - 3.3K [2004/06/24]: - 1. continuing cleanup for lk 2.6 series - 2. Fix problem in lk 2.6.7-bk2 that broke PCI wide cards - 3. Fix problem that oopsed ISA cards - - I. Known Problems/Fix List (XXX) - - 1. Need to add memory mapping workaround. Test the memory mapping. - If it doesn't work revert to I/O port access. Can a test be done - safely? - 2. Handle an interrupt not working. Keep an interrupt counter in - the interrupt handler. In the timeout function if the interrupt - has not occurred then print a message and run in polled mode. - 3. Allow bus type scanning order to be changed. - 4. Need to add support for target mode commands, cf. CAM XPT. - - J. Credits (Chronological Order) - - Bob Frey wrote the AdvanSys SCSI driver - and maintained it up to 3.3F. He continues to answer questions - and help maintain the driver. - - Nathan Hartwell provided the directions and - basis for the Linux v1.3.X changes which were included in the - 1.2 release. - - Thomas E Zerucha pointed out a bug - in advansys_biosparam() which was fixed in the 1.3 release. - - Erik Ratcliffe has done testing of the - AdvanSys driver in the Caldera releases. - - Rik van Riel provided a patch to - AscWaitTixISRDone() which he found necessary to make the - driver work with a SCSI-1 disk. - - Mark Moran has helped test Ultra-Wide - support in the 3.1A driver. - - Doug Gilbert has made changes and - suggestions to improve the driver and done a lot of testing. - - Ken Mort reported a DEBUG compile bug fixed - in 3.2K. - - Tom Rini provided the CONFIG_ISA - patch and helped with PowerPC wide and narrow board support. - - Philip Blundell provided an - advansys_interrupts_enabled patch. - - Dave Jones reported the compiler - warnings generated when CONFIG_PROC_FS was not defined in - the 3.2M driver. - - Jerry Quinn fixed PowerPC support (endian - problems) for wide cards. - - Bryan Henderson helped debug narrow - card error handling. - - Manuel Veloso worked hard on PowerPC narrow - board support and fixed a bug in AscGetEEPConfig(). - - Arnaldo Carvalho de Melo made - save_flags/restore_flags changes. - - Andy Kellner continues the Advansys SCSI - driver development for ConnectCom (Version > 3.3F). - - K. ConnectCom (AdvanSys) Contact Information - - Mail: ConnectCom Solutions, Inc. - 1150 Ringwood Court - San Jose, CA 95131 - Operator/Sales: 1-408-383-9400 - FAX: 1-408-383-9612 - Tech Support: 1-408-467-2930 - Tech Support E-Mail: linux@connectcom.net - FTP Site: ftp.connectcom.net (login: anonymous) - Web Site: http://www.connectcom.net - -*/ - -/* - * --- Linux Include Files + * As of March 8, 2000 Advanced System Products, Inc. (AdvanSys) + * changed its name to ConnectCom Solutions, Inc. + * On June 18, 2001 Initio Corp. acquired ConnectCom's SCSI assets */ #include - -#if defined(CONFIG_X86) && !defined(CONFIG_ISA) -#define CONFIG_ISA -#endif /* CONFIG_X86 && !CONFIG_ISA */ - #include #include #include @@ -771,7 +33,9 @@ #include #include #include -#include +#include +#include +#include #include #include @@ -779,63 +43,38 @@ #include #include -/* FIXME: (by jejb@steeleye.com) This warning is present for two - * reasons: - * - * 1) This driver badly needs converting to the correct driver model - * probing API - * - * 2) Although all of the necessary command mapping places have the - * appropriate dma_map.. APIs, the driver still processes its internal - * queue using bus_to_virt() and virt_to_bus() which are illegal under - * the API. The entire queue processing structure will need to be - * altered to fix this. - */ -#warning this driver is still not properly converted to the DMA API - #include #include #include #include #include -#include "advansys.h" -#ifdef CONFIG_PCI -#include -#endif /* CONFIG_PCI */ - -/* - * --- Driver Options +/* FIXME: + * + * 1. Although all of the necessary command mapping places have the + * appropriate dma_map.. APIs, the driver still processes its internal + * queue using bus_to_virt() and virt_to_bus() which are illegal under + * the API. The entire queue processing structure will need to be + * altered to fix this. + * 2. Need to add memory mapping workaround. Test the memory mapping. + * If it doesn't work revert to I/O port access. Can a test be done + * safely? + * 3. Handle an interrupt not working. Keep an interrupt counter in + * the interrupt handler. In the timeout function if the interrupt + * has not occurred then print a message and run in polled mode. + * 4. Need to add support for target mode commands, cf. CAM XPT. + * 5. check DMA mapping functions for failure + * 6. Use scsi_transport_spi + * 7. advansys_info is not safe against multiple simultaneous callers + * 8. Add module_param to override ISA/VLB ioport array */ - -/* Enable driver assertions. */ -#define ADVANSYS_ASSERT +#warning this driver is still not properly converted to the DMA API /* Enable driver /proc statistics. */ #define ADVANSYS_STATS /* Enable driver tracing. */ -/* #define ADVANSYS_DEBUG */ - - -/* - * --- Debugging Header - */ - -#ifdef ADVANSYS_DEBUG -#define STATIC -#else /* ADVANSYS_DEBUG */ -#define STATIC static -#endif /* ADVANSYS_DEBUG */ - - -/* - * --- Asc Library Constants and Macros - */ - -#define ASC_LIB_VERSION_MAJOR 1 -#define ASC_LIB_VERSION_MINOR 24 -#define ASC_LIB_SERIAL_NUMBER 123 +#undef ADVANSYS_DEBUG /* * Portable Data Types @@ -846,21 +85,10 @@ * are all consistent at 8, 16, and 32 bits respectively. Pointers * and long types are 64 bits on Alpha and UltraSPARC. */ -#define ASC_PADDR __u32 /* Physical/Bus address data type. */ -#define ASC_VADDR __u32 /* Virtual address data type. */ -#define ASC_DCNT __u32 /* Unsigned Data count type. */ -#define ASC_SDCNT __s32 /* Signed Data count type. */ - -/* - * These macros are used to convert a virtual address to a - * 32-bit value. This currently can be used on Linux Alpha - * which uses 64-bit virtual address but a 32-bit bus address. - * This is likely to break in the future, but doing this now - * will give us time to change the HW and FW to handle 64-bit - * addresses. - */ -#define ASC_VADDR_TO_U32 virt_to_bus -#define ASC_U32_TO_VADDR bus_to_virt +#define ASC_PADDR __u32 /* Physical/Bus address data type. */ +#define ASC_VADDR __u32 /* Virtual address data type. */ +#define ASC_DCNT __u32 /* Unsigned Data count type. */ +#define ASC_SDCNT __s32 /* Signed Data count type. */ typedef unsigned char uchar; @@ -871,29 +99,9 @@ typedef unsigned char uchar; #define FALSE (0) #endif -#define EOF (-1) #define ERR (-1) #define UW_ERR (uint)(0xFFFF) #define isodd_word(val) ((((uint)val) & (uint)0x0001) != 0) -#define AscPCIConfigVendorIDRegister 0x0000 -#define AscPCIConfigDeviceIDRegister 0x0002 -#define AscPCIConfigCommandRegister 0x0004 -#define AscPCIConfigStatusRegister 0x0006 -#define AscPCIConfigRevisionIDRegister 0x0008 -#define AscPCIConfigCacheSize 0x000C -#define AscPCIConfigLatencyTimer 0x000D -#define AscPCIIOBaseRegister 0x0010 -#define AscPCICmdRegBits_IOMemBusMaster 0x0007 -#define ASC_PCI_ID2BUS(id) ((id) & 0xFF) -#define ASC_PCI_ID2DEV(id) (((id) >> 11) & 0x1F) -#define ASC_PCI_ID2FUNC(id) (((id) >> 8) & 0x7) -#define ASC_PCI_MKID(bus, dev, func) ((((dev) & 0x1F) << 11) | (((func) & 0x7) << 8) | ((bus) & 0xFF)) -#define ASC_PCI_REVISION_3150 0x02 -#define ASC_PCI_REVISION_3050 0x03 - -#define ASC_DVCLIB_CALL_DONE (1) -#define ASC_DVCLIB_CALL_FAILED (0) -#define ASC_DVCLIB_CALL_ERROR (-1) #define PCI_VENDOR_ID_ASP 0x10cd #define PCI_DEVICE_ID_ASP_1200A 0x1100 @@ -912,7 +120,7 @@ typedef unsigned char uchar; #define CC_VERY_LONG_SG_LIST 0 #define ASC_SRB2SCSIQ(srb_ptr) (srb_ptr) -#define PortAddr unsigned short /* port address size */ +#define PortAddr unsigned int /* port address size */ #define inp(port) inb(port) #define outp(port, byte) outb((byte), (port)) @@ -932,11 +140,10 @@ typedef unsigned char uchar; #define ASC_IS_PCMCIA (0x0008) #define ASC_IS_MCA (0x0020) #define ASC_IS_VL (0x0040) -#define ASC_ISA_PNP_PORT_ADDR (0x279) -#define ASC_ISA_PNP_PORT_WRITE (ASC_ISA_PNP_PORT_ADDR+0x800) #define ASC_IS_WIDESCSI_16 (0x0100) #define ASC_IS_WIDESCSI_32 (0x0200) #define ASC_IS_BIG_ENDIAN (0x8000) + #define ASC_CHIP_MIN_VER_VL (0x01) #define ASC_CHIP_MAX_VER_VL (0x07) #define ASC_CHIP_MIN_VER_PCI (0x09) @@ -955,16 +162,9 @@ typedef unsigned char uchar; #define ASC_CHIP_MAX_VER_EISA (0x47) #define ASC_CHIP_VER_EISA_BIT (0x40) #define ASC_CHIP_LATEST_VER_EISA ((ASC_CHIP_MIN_VER_EISA - 1) + 3) -#define ASC_MAX_LIB_SUPPORTED_ISA_CHIP_VER 0x21 -#define ASC_MAX_LIB_SUPPORTED_PCI_CHIP_VER 0x0A -#define ASC_MAX_VL_DMA_ADDR (0x07FFFFFFL) #define ASC_MAX_VL_DMA_COUNT (0x07FFFFFFL) -#define ASC_MAX_PCI_DMA_ADDR (0xFFFFFFFFL) #define ASC_MAX_PCI_DMA_COUNT (0xFFFFFFFFL) -#define ASC_MAX_ISA_DMA_ADDR (0x00FFFFFFL) #define ASC_MAX_ISA_DMA_COUNT (0x00FFFFFFL) -#define ASC_MAX_EISA_DMA_ADDR (0x07FFFFFFL) -#define ASC_MAX_EISA_DMA_COUNT (0x07FFFFFFL) #define ASC_SCSI_ID_BITS 3 #define ASC_SCSI_TIX_TYPE uchar @@ -975,82 +175,17 @@ typedef unsigned char uchar; #define ASC_SCSI_WIDTH_BIT_SET 0xFF #define ASC_MAX_SENSE_LEN 32 #define ASC_MIN_SENSE_LEN 14 -#define ASC_MAX_CDB_LEN 12 #define ASC_SCSI_RESET_HOLD_TIME_US 60 -#define ADV_INQ_CLOCKING_ST_ONLY 0x0 -#define ADV_INQ_CLOCKING_DT_ONLY 0x1 -#define ADV_INQ_CLOCKING_ST_AND_DT 0x3 - /* - * Inquiry SPC-2 SPI Byte 1 EVPD (Enable Vital Product Data) - * and CmdDt (Command Support Data) field bit definitions. + * Narrow boards only support 12-byte commands, while wide boards + * extend to 16-byte commands. */ -#define ADV_INQ_RTN_VPD_AND_CMDDT 0x3 -#define ADV_INQ_RTN_CMDDT_FOR_OP_CODE 0x2 -#define ADV_INQ_RTN_VPD_FOR_PG_CODE 0x1 -#define ADV_INQ_RTN_STD_INQUIRY_DATA 0x0 - -#define ASC_SCSIDIR_NOCHK 0x00 -#define ASC_SCSIDIR_T2H 0x08 -#define ASC_SCSIDIR_H2T 0x10 -#define ASC_SCSIDIR_NODATA 0x18 -#define SCSI_ASC_NOMEDIA 0x3A -#define ASC_SRB_HOST(x) ((uchar)((uchar)(x) >> 4)) -#define ASC_SRB_TID(x) ((uchar)((uchar)(x) & (uchar)0x0F)) -#define ASC_SRB_LUN(x) ((uchar)((uint)(x) >> 13)) -#define PUT_CDB1(x) ((uchar)((uint)(x) >> 8)) -#define MS_CMD_DONE 0x00 -#define MS_EXTEND 0x01 +#define ASC_MAX_CDB_LEN 12 +#define ADV_MAX_CDB_LEN 16 + #define MS_SDTR_LEN 0x03 -#define MS_SDTR_CODE 0x01 #define MS_WDTR_LEN 0x02 -#define MS_WDTR_CODE 0x03 -#define MS_MDP_LEN 0x05 -#define MS_MDP_CODE 0x00 - -/* - * Inquiry data structure and bitfield macros - * - * Only quantities of more than 1 bit are shifted, since the others are - * just tested for true or false. C bitfields aren't portable between big - * and little-endian platforms so they are not used. - */ - -#define ASC_INQ_DVC_TYPE(inq) ((inq)->periph & 0x1f) -#define ASC_INQ_QUALIFIER(inq) (((inq)->periph & 0xe0) >> 5) -#define ASC_INQ_DVC_TYPE_MOD(inq) ((inq)->devtype & 0x7f) -#define ASC_INQ_REMOVABLE(inq) ((inq)->devtype & 0x80) -#define ASC_INQ_ANSI_VER(inq) ((inq)->ver & 0x07) -#define ASC_INQ_ECMA_VER(inq) (((inq)->ver & 0x38) >> 3) -#define ASC_INQ_ISO_VER(inq) (((inq)->ver & 0xc0) >> 6) -#define ASC_INQ_RESPONSE_FMT(inq) ((inq)->byte3 & 0x0f) -#define ASC_INQ_TERM_IO(inq) ((inq)->byte3 & 0x40) -#define ASC_INQ_ASYNC_NOTIF(inq) ((inq)->byte3 & 0x80) -#define ASC_INQ_SOFT_RESET(inq) ((inq)->flags & 0x01) -#define ASC_INQ_CMD_QUEUE(inq) ((inq)->flags & 0x02) -#define ASC_INQ_LINK_CMD(inq) ((inq)->flags & 0x08) -#define ASC_INQ_SYNC(inq) ((inq)->flags & 0x10) -#define ASC_INQ_WIDE16(inq) ((inq)->flags & 0x20) -#define ASC_INQ_WIDE32(inq) ((inq)->flags & 0x40) -#define ASC_INQ_REL_ADDR(inq) ((inq)->flags & 0x80) -#define ASC_INQ_INFO_UNIT(inq) ((inq)->info & 0x01) -#define ASC_INQ_QUICK_ARB(inq) ((inq)->info & 0x02) -#define ASC_INQ_CLOCKING(inq) (((inq)->info & 0x0c) >> 2) - -typedef struct { - uchar periph; - uchar devtype; - uchar ver; - uchar byte3; - uchar add_len; - uchar res1; - uchar res2; - uchar flags; - uchar vendor_id[8]; - uchar product_id[16]; - uchar product_rev_level[4]; -} ASC_SCSI_INQUIRY; #define ASC_SG_LIST_PER_Q 7 #define QS_FREE 0x00 @@ -1166,180 +301,134 @@ typedef struct { #define ASC_QNO_TO_QADDR(q_no) ((ASC_QADR_BEG)+((int)(q_no) << 6)) typedef struct asc_scsiq_1 { - uchar status; - uchar q_no; - uchar cntl; - uchar sg_queue_cnt; - uchar target_id; - uchar target_lun; - ASC_PADDR data_addr; - ASC_DCNT data_cnt; - ASC_PADDR sense_addr; - uchar sense_len; - uchar extra_bytes; + uchar status; + uchar q_no; + uchar cntl; + uchar sg_queue_cnt; + uchar target_id; + uchar target_lun; + ASC_PADDR data_addr; + ASC_DCNT data_cnt; + ASC_PADDR sense_addr; + uchar sense_len; + uchar extra_bytes; } ASC_SCSIQ_1; typedef struct asc_scsiq_2 { - ASC_VADDR srb_ptr; - uchar target_ix; - uchar flag; - uchar cdb_len; - uchar tag_code; - ushort vm_id; + ASC_VADDR srb_ptr; + uchar target_ix; + uchar flag; + uchar cdb_len; + uchar tag_code; + ushort vm_id; } ASC_SCSIQ_2; typedef struct asc_scsiq_3 { - uchar done_stat; - uchar host_stat; - uchar scsi_stat; - uchar scsi_msg; + uchar done_stat; + uchar host_stat; + uchar scsi_stat; + uchar scsi_msg; } ASC_SCSIQ_3; typedef struct asc_scsiq_4 { - uchar cdb[ASC_MAX_CDB_LEN]; - uchar y_first_sg_list_qp; - uchar y_working_sg_qp; - uchar y_working_sg_ix; - uchar y_res; - ushort x_req_count; - ushort x_reconnect_rtn; - ASC_PADDR x_saved_data_addr; - ASC_DCNT x_saved_data_cnt; + uchar cdb[ASC_MAX_CDB_LEN]; + uchar y_first_sg_list_qp; + uchar y_working_sg_qp; + uchar y_working_sg_ix; + uchar y_res; + ushort x_req_count; + ushort x_reconnect_rtn; + ASC_PADDR x_saved_data_addr; + ASC_DCNT x_saved_data_cnt; } ASC_SCSIQ_4; typedef struct asc_q_done_info { - ASC_SCSIQ_2 d2; - ASC_SCSIQ_3 d3; - uchar q_status; - uchar q_no; - uchar cntl; - uchar sense_len; - uchar extra_bytes; - uchar res; - ASC_DCNT remain_bytes; + ASC_SCSIQ_2 d2; + ASC_SCSIQ_3 d3; + uchar q_status; + uchar q_no; + uchar cntl; + uchar sense_len; + uchar extra_bytes; + uchar res; + ASC_DCNT remain_bytes; } ASC_QDONE_INFO; typedef struct asc_sg_list { - ASC_PADDR addr; - ASC_DCNT bytes; + ASC_PADDR addr; + ASC_DCNT bytes; } ASC_SG_LIST; typedef struct asc_sg_head { - ushort entry_cnt; - ushort queue_cnt; - ushort entry_to_copy; - ushort res; - ASC_SG_LIST sg_list[ASC_MAX_SG_LIST]; + ushort entry_cnt; + ushort queue_cnt; + ushort entry_to_copy; + ushort res; + ASC_SG_LIST sg_list[0]; } ASC_SG_HEAD; -#define ASC_MIN_SG_LIST 2 - -typedef struct asc_min_sg_head { - ushort entry_cnt; - ushort queue_cnt; - ushort entry_to_copy; - ushort res; - ASC_SG_LIST sg_list[ASC_MIN_SG_LIST]; -} ASC_MIN_SG_HEAD; - -#define QCX_SORT (0x0001) -#define QCX_COALEASE (0x0002) - typedef struct asc_scsi_q { - ASC_SCSIQ_1 q1; - ASC_SCSIQ_2 q2; - uchar *cdbptr; - ASC_SG_HEAD *sg_head; - ushort remain_sg_entry_cnt; - ushort next_sg_index; + ASC_SCSIQ_1 q1; + ASC_SCSIQ_2 q2; + uchar *cdbptr; + ASC_SG_HEAD *sg_head; + ushort remain_sg_entry_cnt; + ushort next_sg_index; } ASC_SCSI_Q; typedef struct asc_scsi_req_q { - ASC_SCSIQ_1 r1; - ASC_SCSIQ_2 r2; - uchar *cdbptr; - ASC_SG_HEAD *sg_head; - uchar *sense_ptr; - ASC_SCSIQ_3 r3; - uchar cdb[ASC_MAX_CDB_LEN]; - uchar sense[ASC_MIN_SENSE_LEN]; + ASC_SCSIQ_1 r1; + ASC_SCSIQ_2 r2; + uchar *cdbptr; + ASC_SG_HEAD *sg_head; + uchar *sense_ptr; + ASC_SCSIQ_3 r3; + uchar cdb[ASC_MAX_CDB_LEN]; + uchar sense[ASC_MIN_SENSE_LEN]; } ASC_SCSI_REQ_Q; typedef struct asc_scsi_bios_req_q { - ASC_SCSIQ_1 r1; - ASC_SCSIQ_2 r2; - uchar *cdbptr; - ASC_SG_HEAD *sg_head; - uchar *sense_ptr; - ASC_SCSIQ_3 r3; - uchar cdb[ASC_MAX_CDB_LEN]; - uchar sense[ASC_MIN_SENSE_LEN]; + ASC_SCSIQ_1 r1; + ASC_SCSIQ_2 r2; + uchar *cdbptr; + ASC_SG_HEAD *sg_head; + uchar *sense_ptr; + ASC_SCSIQ_3 r3; + uchar cdb[ASC_MAX_CDB_LEN]; + uchar sense[ASC_MIN_SENSE_LEN]; } ASC_SCSI_BIOS_REQ_Q; typedef struct asc_risc_q { - uchar fwd; - uchar bwd; - ASC_SCSIQ_1 i1; - ASC_SCSIQ_2 i2; - ASC_SCSIQ_3 i3; - ASC_SCSIQ_4 i4; + uchar fwd; + uchar bwd; + ASC_SCSIQ_1 i1; + ASC_SCSIQ_2 i2; + ASC_SCSIQ_3 i3; + ASC_SCSIQ_4 i4; } ASC_RISC_Q; typedef struct asc_sg_list_q { - uchar seq_no; - uchar q_no; - uchar cntl; - uchar sg_head_qp; - uchar sg_list_cnt; - uchar sg_cur_list_cnt; + uchar seq_no; + uchar q_no; + uchar cntl; + uchar sg_head_qp; + uchar sg_list_cnt; + uchar sg_cur_list_cnt; } ASC_SG_LIST_Q; typedef struct asc_risc_sg_list_q { - uchar fwd; - uchar bwd; - ASC_SG_LIST_Q sg; - ASC_SG_LIST sg_list[7]; + uchar fwd; + uchar bwd; + ASC_SG_LIST_Q sg; + ASC_SG_LIST sg_list[7]; } ASC_RISC_SG_LIST_Q; -#define ASC_EXE_SCSI_IO_MAX_IDLE_LOOP 0x1000000UL -#define ASC_EXE_SCSI_IO_MAX_WAIT_LOOP 1024 -#define ASCQ_ERR_NO_ERROR 0 -#define ASCQ_ERR_IO_NOT_FOUND 1 -#define ASCQ_ERR_LOCAL_MEM 2 -#define ASCQ_ERR_CHKSUM 3 -#define ASCQ_ERR_START_CHIP 4 -#define ASCQ_ERR_INT_TARGET_ID 5 -#define ASCQ_ERR_INT_LOCAL_MEM 6 -#define ASCQ_ERR_HALT_RISC 7 -#define ASCQ_ERR_GET_ASPI_ENTRY 8 -#define ASCQ_ERR_CLOSE_ASPI 9 -#define ASCQ_ERR_HOST_INQUIRY 0x0A -#define ASCQ_ERR_SAVED_SRB_BAD 0x0B -#define ASCQ_ERR_QCNTL_SG_LIST 0x0C #define ASCQ_ERR_Q_STATUS 0x0D -#define ASCQ_ERR_WR_SCSIQ 0x0E -#define ASCQ_ERR_PC_ADDR 0x0F -#define ASCQ_ERR_SYN_OFFSET 0x10 -#define ASCQ_ERR_SYN_XFER_TIME 0x11 -#define ASCQ_ERR_LOCK_DMA 0x12 -#define ASCQ_ERR_UNLOCK_DMA 0x13 -#define ASCQ_ERR_VDS_CHK_INSTALL 0x14 -#define ASCQ_ERR_MICRO_CODE_HALT 0x15 -#define ASCQ_ERR_SET_LRAM_ADDR 0x16 #define ASCQ_ERR_CUR_QNG 0x17 #define ASCQ_ERR_SG_Q_LINKS 0x18 -#define ASCQ_ERR_SCSIQ_PTR 0x19 #define ASCQ_ERR_ISR_RE_ENTRY 0x1A #define ASCQ_ERR_CRITICAL_RE_ENTRY 0x1B #define ASCQ_ERR_ISR_ON_CRITICAL 0x1C -#define ASCQ_ERR_SG_LIST_ODD_ADDRESS 0x1D -#define ASCQ_ERR_XFER_ADDRESS_TOO_BIG 0x1E -#define ASCQ_ERR_SCSIQ_NULL_PTR 0x1F -#define ASCQ_ERR_SCSIQ_BAD_NEXT_PTR 0x20 -#define ASCQ_ERR_GET_NUM_OF_FREE_Q 0x21 -#define ASCQ_ERR_SEND_SCSI_Q 0x22 -#define ASCQ_ERR_HOST_REQ_RISC_HALT 0x23 -#define ASCQ_ERR_RESET_SDTR 0x24 /* * Warning code values are set in ASC_DVC_VAR 'warn_code'. @@ -1352,105 +441,72 @@ typedef struct asc_risc_sg_list_q { #define ASC_WARN_CMD_QNG_CONFLICT 0x0010 #define ASC_WARN_EEPROM_RECOVER 0x0020 #define ASC_WARN_CFG_MSW_RECOVER 0x0040 -#define ASC_WARN_SET_PCI_CONFIG_SPACE 0x0080 /* - * Error code values are set in ASC_DVC_VAR 'err_code'. + * Error code values are set in {ASC/ADV}_DVC_VAR 'err_code'. */ -#define ASC_IERR_WRITE_EEPROM 0x0001 -#define ASC_IERR_MCODE_CHKSUM 0x0002 -#define ASC_IERR_SET_PC_ADDR 0x0004 -#define ASC_IERR_START_STOP_CHIP 0x0008 -#define ASC_IERR_IRQ_NO 0x0010 -#define ASC_IERR_SET_IRQ_NO 0x0020 -#define ASC_IERR_CHIP_VERSION 0x0040 -#define ASC_IERR_SET_SCSI_ID 0x0080 -#define ASC_IERR_GET_PHY_ADDR 0x0100 -#define ASC_IERR_BAD_SIGNATURE 0x0200 -#define ASC_IERR_NO_BUS_TYPE 0x0400 -#define ASC_IERR_SCAM 0x0800 -#define ASC_IERR_SET_SDTR 0x1000 -#define ASC_IERR_RW_LRAM 0x8000 - -#define ASC_DEF_IRQ_NO 10 -#define ASC_MAX_IRQ_NO 15 -#define ASC_MIN_IRQ_NO 10 -#define ASC_MIN_REMAIN_Q (0x02) +#define ASC_IERR_NO_CARRIER 0x0001 /* No more carrier memory */ +#define ASC_IERR_MCODE_CHKSUM 0x0002 /* micro code check sum error */ +#define ASC_IERR_SET_PC_ADDR 0x0004 +#define ASC_IERR_START_STOP_CHIP 0x0008 /* start/stop chip failed */ +#define ASC_IERR_ILLEGAL_CONNECTION 0x0010 /* Illegal cable connection */ +#define ASC_IERR_SINGLE_END_DEVICE 0x0020 /* SE device on DIFF bus */ +#define ASC_IERR_REVERSED_CABLE 0x0040 /* Narrow flat cable reversed */ +#define ASC_IERR_SET_SCSI_ID 0x0080 /* set SCSI ID failed */ +#define ASC_IERR_HVD_DEVICE 0x0100 /* HVD device on LVD port */ +#define ASC_IERR_BAD_SIGNATURE 0x0200 /* signature not found */ +#define ASC_IERR_NO_BUS_TYPE 0x0400 +#define ASC_IERR_BIST_PRE_TEST 0x0800 /* BIST pre-test error */ +#define ASC_IERR_BIST_RAM_TEST 0x1000 /* BIST RAM test error */ +#define ASC_IERR_BAD_CHIPTYPE 0x2000 /* Invalid chip_type setting */ + #define ASC_DEF_MAX_TOTAL_QNG (0xF0) #define ASC_MIN_TAG_Q_PER_DVC (0x04) -#define ASC_DEF_TAG_Q_PER_DVC (0x04) -#define ASC_MIN_FREE_Q ASC_MIN_REMAIN_Q +#define ASC_MIN_FREE_Q (0x02) #define ASC_MIN_TOTAL_QNG ((ASC_MAX_SG_QUEUE)+(ASC_MIN_FREE_Q)) #define ASC_MAX_TOTAL_QNG 240 #define ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG 16 #define ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG 8 #define ASC_MAX_PCI_INRAM_TOTAL_QNG 20 #define ASC_MAX_INRAM_TAG_QNG 16 -#define ASC_IOADR_TABLE_MAX_IX 11 #define ASC_IOADR_GAP 0x10 -#define ASC_SEARCH_IOP_GAP 0x10 -#define ASC_MIN_IOP_ADDR (PortAddr)0x0100 -#define ASC_MAX_IOP_ADDR (PortAddr)0x3F0 -#define ASC_IOADR_1 (PortAddr)0x0110 -#define ASC_IOADR_2 (PortAddr)0x0130 -#define ASC_IOADR_3 (PortAddr)0x0150 -#define ASC_IOADR_4 (PortAddr)0x0190 -#define ASC_IOADR_5 (PortAddr)0x0210 -#define ASC_IOADR_6 (PortAddr)0x0230 -#define ASC_IOADR_7 (PortAddr)0x0250 -#define ASC_IOADR_8 (PortAddr)0x0330 -#define ASC_IOADR_DEF ASC_IOADR_8 -#define ASC_LIB_SCSIQ_WK_SP 256 -#define ASC_MAX_SYN_XFER_NO 16 #define ASC_SYN_MAX_OFFSET 0x0F #define ASC_DEF_SDTR_OFFSET 0x0F -#define ASC_DEF_SDTR_INDEX 0x00 #define ASC_SDTR_ULTRA_PCI_10MB_INDEX 0x02 -#define SYN_XFER_NS_0 25 -#define SYN_XFER_NS_1 30 -#define SYN_XFER_NS_2 35 -#define SYN_XFER_NS_3 40 -#define SYN_XFER_NS_4 50 -#define SYN_XFER_NS_5 60 -#define SYN_XFER_NS_6 70 -#define SYN_XFER_NS_7 85 -#define SYN_ULTRA_XFER_NS_0 12 -#define SYN_ULTRA_XFER_NS_1 19 -#define SYN_ULTRA_XFER_NS_2 25 -#define SYN_ULTRA_XFER_NS_3 32 -#define SYN_ULTRA_XFER_NS_4 38 -#define SYN_ULTRA_XFER_NS_5 44 -#define SYN_ULTRA_XFER_NS_6 50 -#define SYN_ULTRA_XFER_NS_7 57 -#define SYN_ULTRA_XFER_NS_8 63 -#define SYN_ULTRA_XFER_NS_9 69 -#define SYN_ULTRA_XFER_NS_10 75 -#define SYN_ULTRA_XFER_NS_11 82 -#define SYN_ULTRA_XFER_NS_12 88 -#define SYN_ULTRA_XFER_NS_13 94 -#define SYN_ULTRA_XFER_NS_14 100 -#define SYN_ULTRA_XFER_NS_15 107 +#define ASYN_SDTR_DATA_FIX_PCI_REV_AB 0x41 + +/* The narrow chip only supports a limited selection of transfer rates. + * These are encoded in the range 0..7 or 0..15 depending whether the chip + * is Ultra-capable or not. These tables let us convert from one to the other. + */ +static const unsigned char asc_syn_xfer_period[8] = { + 25, 30, 35, 40, 50, 60, 70, 85 +}; + +static const unsigned char asc_syn_ultra_xfer_period[16] = { + 12, 19, 25, 32, 38, 44, 50, 57, 63, 69, 75, 82, 88, 94, 100, 107 +}; typedef struct ext_msg { - uchar msg_type; - uchar msg_len; - uchar msg_req; - union { - struct { - uchar sdtr_xfer_period; - uchar sdtr_req_ack_offset; - } sdtr; - struct { - uchar wdtr_width; - } wdtr; - struct { - uchar mdp_b3; - uchar mdp_b2; - uchar mdp_b1; - uchar mdp_b0; - } mdp; - } u_ext_msg; - uchar res; + uchar msg_type; + uchar msg_len; + uchar msg_req; + union { + struct { + uchar sdtr_xfer_period; + uchar sdtr_req_ack_offset; + } sdtr; + struct { + uchar wdtr_width; + } wdtr; + struct { + uchar mdp_b3; + uchar mdp_b2; + uchar mdp_b1; + uchar mdp_b0; + } mdp; + } u_ext_msg; + uchar res; } EXT_MSG; #define xfer_period u_ext_msg.sdtr.sdtr_xfer_period @@ -1462,30 +518,24 @@ typedef struct ext_msg { #define mdp_b0 u_ext_msg.mdp_b0 typedef struct asc_dvc_cfg { - ASC_SCSI_BIT_ID_TYPE can_tagged_qng; - ASC_SCSI_BIT_ID_TYPE cmd_qng_enabled; - ASC_SCSI_BIT_ID_TYPE disc_enable; - ASC_SCSI_BIT_ID_TYPE sdtr_enable; - uchar chip_scsi_id; - uchar isa_dma_speed; - uchar isa_dma_channel; - uchar chip_version; - ushort lib_serial_no; - ushort lib_version; - ushort mcode_date; - ushort mcode_version; - uchar max_tag_qng[ASC_MAX_TID + 1]; - uchar *overrun_buf; - uchar sdtr_period_offset[ASC_MAX_TID + 1]; - ushort pci_slot_info; - uchar adapter_info[6]; - struct device *dev; + ASC_SCSI_BIT_ID_TYPE can_tagged_qng; + ASC_SCSI_BIT_ID_TYPE cmd_qng_enabled; + ASC_SCSI_BIT_ID_TYPE disc_enable; + ASC_SCSI_BIT_ID_TYPE sdtr_enable; + uchar chip_scsi_id; + uchar isa_dma_speed; + uchar isa_dma_channel; + uchar chip_version; + ushort mcode_date; + ushort mcode_version; + uchar max_tag_qng[ASC_MAX_TID + 1]; + uchar sdtr_period_offset[ASC_MAX_TID + 1]; + uchar adapter_info[6]; } ASC_DVC_CFG; #define ASC_DEF_DVC_CNTL 0xFFFF #define ASC_DEF_CHIP_SCSI_ID 7 #define ASC_DEF_ISA_DMA_SPEED 4 -#define ASC_INIT_STATE_NULL 0x0000 #define ASC_INIT_STATE_BEG_GET_CFG 0x0001 #define ASC_INIT_STATE_END_GET_CFG 0x0002 #define ASC_INIT_STATE_BEG_SET_CFG 0x0004 @@ -1498,68 +548,66 @@ typedef struct asc_dvc_cfg { #define ASC_INIT_STATE_WITHOUT_EEP 0x8000 #define ASC_BUG_FIX_IF_NOT_DWB 0x0001 #define ASC_BUG_FIX_ASYN_USE_SYN 0x0002 -#define ASYN_SDTR_DATA_FIX_PCI_REV_AB 0x41 #define ASC_MIN_TAGGED_CMD 7 #define ASC_MAX_SCSI_RESET_WAIT 30 +#define ASC_OVERRUN_BSIZE 64 -struct asc_dvc_var; /* Forward Declaration. */ - -typedef void (* ASC_ISR_CALLBACK)(struct asc_dvc_var *, ASC_QDONE_INFO *); -typedef int (* ASC_EXE_CALLBACK)(struct asc_dvc_var *, ASC_SCSI_Q *); +struct asc_dvc_var; /* Forward Declaration. */ typedef struct asc_dvc_var { - PortAddr iop_base; - ushort err_code; - ushort dvc_cntl; - ushort bug_fix_cntl; - ushort bus_type; - ASC_ISR_CALLBACK isr_callback; - ASC_EXE_CALLBACK exe_callback; - ASC_SCSI_BIT_ID_TYPE init_sdtr; - ASC_SCSI_BIT_ID_TYPE sdtr_done; - ASC_SCSI_BIT_ID_TYPE use_tagged_qng; - ASC_SCSI_BIT_ID_TYPE unit_not_ready; - ASC_SCSI_BIT_ID_TYPE queue_full_or_busy; - ASC_SCSI_BIT_ID_TYPE start_motor; - uchar scsi_reset_wait; - uchar chip_no; - char is_in_int; - uchar max_total_qng; - uchar cur_total_qng; - uchar in_critical_cnt; - uchar irq_no; - uchar last_q_shortage; - ushort init_state; - uchar cur_dvc_qng[ASC_MAX_TID + 1]; - uchar max_dvc_qng[ASC_MAX_TID + 1]; - ASC_SCSI_Q *scsiq_busy_head[ASC_MAX_TID + 1]; - ASC_SCSI_Q *scsiq_busy_tail[ASC_MAX_TID + 1]; - uchar sdtr_period_tbl[ASC_MAX_SYN_XFER_NO]; - ASC_DVC_CFG *cfg; - ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer_always; - char redo_scam; - ushort res2; - uchar dos_int13_table[ASC_MAX_TID + 1]; - ASC_DCNT max_dma_count; - ASC_SCSI_BIT_ID_TYPE no_scam; - ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer; - uchar max_sdtr_index; - uchar host_init_sdtr_index; - struct asc_board *drv_ptr; - ASC_DCNT uc_break; + PortAddr iop_base; + ushort err_code; + ushort dvc_cntl; + ushort bug_fix_cntl; + ushort bus_type; + ASC_SCSI_BIT_ID_TYPE init_sdtr; + ASC_SCSI_BIT_ID_TYPE sdtr_done; + ASC_SCSI_BIT_ID_TYPE use_tagged_qng; + ASC_SCSI_BIT_ID_TYPE unit_not_ready; + ASC_SCSI_BIT_ID_TYPE queue_full_or_busy; + ASC_SCSI_BIT_ID_TYPE start_motor; + uchar *overrun_buf; + dma_addr_t overrun_dma; + uchar scsi_reset_wait; + uchar chip_no; + char is_in_int; + uchar max_total_qng; + uchar cur_total_qng; + uchar in_critical_cnt; + uchar last_q_shortage; + ushort init_state; + uchar cur_dvc_qng[ASC_MAX_TID + 1]; + uchar max_dvc_qng[ASC_MAX_TID + 1]; + ASC_SCSI_Q *scsiq_busy_head[ASC_MAX_TID + 1]; + ASC_SCSI_Q *scsiq_busy_tail[ASC_MAX_TID + 1]; + const uchar *sdtr_period_tbl; + ASC_DVC_CFG *cfg; + ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer_always; + char redo_scam; + ushort res2; + uchar dos_int13_table[ASC_MAX_TID + 1]; + ASC_DCNT max_dma_count; + ASC_SCSI_BIT_ID_TYPE no_scam; + ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer; + uchar min_sdtr_index; + uchar max_sdtr_index; + struct asc_board *drv_ptr; + int ptr_map_count; + void **ptr_map; + ASC_DCNT uc_break; } ASC_DVC_VAR; typedef struct asc_dvc_inq_info { - uchar type[ASC_MAX_TID + 1][ASC_MAX_LUN + 1]; + uchar type[ASC_MAX_TID + 1][ASC_MAX_LUN + 1]; } ASC_DVC_INQ_INFO; typedef struct asc_cap_info { - ASC_DCNT lba; - ASC_DCNT blk_size; + ASC_DCNT lba; + ASC_DCNT blk_size; } ASC_CAP_INFO; typedef struct asc_cap_info_array { - ASC_CAP_INFO cap_info[ASC_MAX_TID + 1][ASC_MAX_LUN + 1]; + ASC_CAP_INFO cap_info[ASC_MAX_TID + 1][ASC_MAX_LUN + 1]; } ASC_CAP_INFO_ARRAY; #define ASC_MCNTL_NO_SEL_TIMEOUT (ushort)0x0001 @@ -1582,12 +630,7 @@ typedef struct asc_cap_info_array { #define ASC_EEP_MAX_DVC_ADDR_VL 15 #define ASC_EEP_DVC_CFG_BEG 32 #define ASC_EEP_MAX_DVC_ADDR 45 -#define ASC_EEP_DEFINED_WORDS 10 -#define ASC_EEP_MAX_ADDR 63 -#define ASC_EEP_RES_WORDS 0 #define ASC_EEP_MAX_RETRY 20 -#define ASC_MAX_INIT_BUSY_RETRY 8 -#define ASC_EEP_ISA_PNP_WSIZE 16 /* * These macros keep the chip SCSI id and ISA DMA speed @@ -1604,36 +647,29 @@ typedef struct asc_cap_info_array { ((cfg)->id_speed = ((cfg)->id_speed & 0x0f) | ((spd) & 0x0f) << 4) typedef struct asceep_config { - ushort cfg_lsw; - ushort cfg_msw; - uchar init_sdtr; - uchar disc_enable; - uchar use_cmd_qng; - uchar start_motor; - uchar max_total_qng; - uchar max_tag_qng; - uchar bios_scan; - uchar power_up_wait; - uchar no_scam; - uchar id_speed; /* low order 4 bits is chip scsi id */ - /* high order 4 bits is isa dma speed */ - uchar dos_int13_table[ASC_MAX_TID + 1]; - uchar adapter_info[6]; - ushort cntl; - ushort chksum; + ushort cfg_lsw; + ushort cfg_msw; + uchar init_sdtr; + uchar disc_enable; + uchar use_cmd_qng; + uchar start_motor; + uchar max_total_qng; + uchar max_tag_qng; + uchar bios_scan; + uchar power_up_wait; + uchar no_scam; + uchar id_speed; /* low order 4 bits is chip scsi id */ + /* high order 4 bits is isa dma speed */ + uchar dos_int13_table[ASC_MAX_TID + 1]; + uchar adapter_info[6]; + ushort cntl; + ushort chksum; } ASCEEP_CONFIG; -#define ASC_PCI_CFG_LSW_SCSI_PARITY 0x0800 -#define ASC_PCI_CFG_LSW_BURST_MODE 0x0080 -#define ASC_PCI_CFG_LSW_INTR_ABLE 0x0020 - #define ASC_EEP_CMD_READ 0x80 #define ASC_EEP_CMD_WRITE 0x40 #define ASC_EEP_CMD_WRITE_ABLE 0x30 #define ASC_EEP_CMD_WRITE_DISABLE 0x00 -#define ASC_OVERRUN_BSIZE 0x00000048UL -#define ASC_CTRL_BREAK_ONCE 0x0001 -#define ASC_CTRL_BREAK_STAY_IDLE 0x0002 #define ASCV_MSGOUT_BEG 0x0000 #define ASCV_MSGOUT_SDTR_PERIOD (ASCV_MSGOUT_BEG+3) #define ASCV_MSGOUT_SDTR_OFFSET (ASCV_MSGOUT_BEG+4) @@ -1810,16 +846,9 @@ typedef struct asceep_config { #define ASC_1000_ID0W 0x04C1 #define ASC_1000_ID0W_FIX 0x00C1 #define ASC_1000_ID1B 0x25 -#define ASC_EISA_BIG_IOP_GAP (0x1C30-0x0C50) -#define ASC_EISA_SMALL_IOP_GAP (0x0020) -#define ASC_EISA_MIN_IOP_ADDR (0x0C30) -#define ASC_EISA_MAX_IOP_ADDR (0xFC50) #define ASC_EISA_REV_IOP_MASK (0x0C83) -#define ASC_EISA_PID_IOP_MASK (0x0C80) #define ASC_EISA_CFG_IOP_MASK (0x0C86) #define ASC_GET_EISA_SLOT(iop) (PortAddr)((iop) & 0xF000) -#define ASC_EISA_ID_740 0x01745004UL -#define ASC_EISA_ID_750 0x01755004UL #define INS_HALTINT (ushort)0x6281 #define INS_HALT (ushort)0x6280 #define INS_SINT (ushort)0x6200 @@ -1828,8 +857,8 @@ typedef struct asceep_config { #define ASC_MC_SAVE_DATA_WSIZE 0x40 typedef struct asc_mc_saved { - ushort data[ASC_MC_SAVE_DATA_WSIZE]; - ushort code[ASC_MC_SAVE_CODE_WSIZE]; + ushort data[ASC_MC_SAVE_DATA_WSIZE]; + ushort code[ASC_MC_SAVE_CODE_WSIZE]; } ASC_MC_SAVED; #define AscGetQDoneInProgress(port) AscReadLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B) @@ -1842,11 +871,10 @@ typedef struct asc_mc_saved { #define AscGetRiscVarDoneQTail(port) AscReadLramByte((port), ASCV_DONENEXT_B) #define AscPutRiscVarFreeQHead(port, val) AscWriteLramByte((port), ASCV_NEXTRDY_B, val) #define AscPutRiscVarDoneQTail(port, val) AscWriteLramByte((port), ASCV_DONENEXT_B, val) -#define AscPutMCodeSDTRDoneAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data)); -#define AscGetMCodeSDTRDoneAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id)); -#define AscPutMCodeInitSDTRAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data); -#define AscGetMCodeInitSDTRAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id)); -#define AscSynIndexToPeriod(index) (uchar)(asc_dvc->sdtr_period_tbl[ (index) ]) +#define AscPutMCodeSDTRDoneAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data)) +#define AscGetMCodeSDTRDoneAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id)) +#define AscPutMCodeInitSDTRAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data) +#define AscGetMCodeInitSDTRAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id)) #define AscGetChipSignatureByte(port) (uchar)inp((port)+IOP_SIG_BYTE) #define AscGetChipSignatureWord(port) (ushort)inpw((port)+IOP_SIG_WORD) #define AscGetChipVerNo(port) (uchar)inp((port)+IOP_VERSION) @@ -1901,132 +929,6 @@ typedef struct asc_mc_saved { #define AscReadChipDvcID(port) (uchar)inp((port)+IOP_REG_ID) #define AscWriteChipDvcID(port, data) outp((port)+IOP_REG_ID, data) -STATIC int AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg); -STATIC int AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg); -STATIC void AscWaitEEPRead(void); -STATIC void AscWaitEEPWrite(void); -STATIC ushort AscReadEEPWord(PortAddr, uchar); -STATIC ushort AscWriteEEPWord(PortAddr, uchar, ushort); -STATIC ushort AscGetEEPConfig(PortAddr, ASCEEP_CONFIG *, ushort); -STATIC int AscSetEEPConfigOnce(PortAddr, ASCEEP_CONFIG *, ushort); -STATIC int AscSetEEPConfig(PortAddr, ASCEEP_CONFIG *, ushort); -STATIC int AscStartChip(PortAddr); -STATIC int AscStopChip(PortAddr); -STATIC void AscSetChipIH(PortAddr, ushort); -STATIC int AscIsChipHalted(PortAddr); -STATIC void AscAckInterrupt(PortAddr); -STATIC void AscDisableInterrupt(PortAddr); -STATIC void AscEnableInterrupt(PortAddr); -STATIC void AscSetBank(PortAddr, uchar); -STATIC int AscResetChipAndScsiBus(ASC_DVC_VAR *); -#ifdef CONFIG_ISA -STATIC ushort AscGetIsaDmaChannel(PortAddr); -STATIC ushort AscSetIsaDmaChannel(PortAddr, ushort); -STATIC uchar AscSetIsaDmaSpeed(PortAddr, uchar); -STATIC uchar AscGetIsaDmaSpeed(PortAddr); -#endif /* CONFIG_ISA */ -STATIC uchar AscReadLramByte(PortAddr, ushort); -STATIC ushort AscReadLramWord(PortAddr, ushort); -#if CC_VERY_LONG_SG_LIST -STATIC ASC_DCNT AscReadLramDWord(PortAddr, ushort); -#endif /* CC_VERY_LONG_SG_LIST */ -STATIC void AscWriteLramWord(PortAddr, ushort, ushort); -STATIC void AscWriteLramByte(PortAddr, ushort, uchar); -STATIC ASC_DCNT AscMemSumLramWord(PortAddr, ushort, int); -STATIC void AscMemWordSetLram(PortAddr, ushort, ushort, int); -STATIC void AscMemWordCopyPtrToLram(PortAddr, ushort, uchar *, int); -STATIC void AscMemDWordCopyPtrToLram(PortAddr, ushort, uchar *, int); -STATIC void AscMemWordCopyPtrFromLram(PortAddr, ushort, uchar *, int); -STATIC ushort AscInitAscDvcVar(ASC_DVC_VAR *); -STATIC ushort AscInitFromEEP(ASC_DVC_VAR *); -STATIC ushort AscInitFromAscDvcVar(ASC_DVC_VAR *); -STATIC ushort AscInitMicroCodeVar(ASC_DVC_VAR *); -STATIC int AscTestExternalLram(ASC_DVC_VAR *); -STATIC uchar AscMsgOutSDTR(ASC_DVC_VAR *, uchar, uchar); -STATIC uchar AscCalSDTRData(ASC_DVC_VAR *, uchar, uchar); -STATIC void AscSetChipSDTR(PortAddr, uchar, uchar); -STATIC uchar AscGetSynPeriodIndex(ASC_DVC_VAR *, uchar); -STATIC uchar AscAllocFreeQueue(PortAddr, uchar); -STATIC uchar AscAllocMultipleFreeQueue(PortAddr, uchar, uchar); -STATIC int AscHostReqRiscHalt(PortAddr); -STATIC int AscStopQueueExe(PortAddr); -STATIC int AscSendScsiQueue(ASC_DVC_VAR *, - ASC_SCSI_Q * scsiq, - uchar n_q_required); -STATIC int AscPutReadyQueue(ASC_DVC_VAR *, - ASC_SCSI_Q *, uchar); -STATIC int AscPutReadySgListQueue(ASC_DVC_VAR *, - ASC_SCSI_Q *, uchar); -STATIC int AscSetChipSynRegAtID(PortAddr, uchar, uchar); -STATIC int AscSetRunChipSynRegAtID(PortAddr, uchar, uchar); -STATIC ushort AscInitLram(ASC_DVC_VAR *); -STATIC ushort AscInitQLinkVar(ASC_DVC_VAR *); -STATIC int AscSetLibErrorCode(ASC_DVC_VAR *, ushort); -STATIC int AscIsrChipHalted(ASC_DVC_VAR *); -STATIC uchar _AscCopyLramScsiDoneQ(PortAddr, ushort, - ASC_QDONE_INFO *, ASC_DCNT); -STATIC int AscIsrQDone(ASC_DVC_VAR *); -STATIC int AscCompareString(uchar *, uchar *, int); -#ifdef CONFIG_ISA -STATIC ushort AscGetEisaChipCfg(PortAddr); -STATIC ASC_DCNT AscGetEisaProductID(PortAddr); -STATIC PortAddr AscSearchIOPortAddrEISA(PortAddr); -STATIC PortAddr AscSearchIOPortAddr11(PortAddr); -STATIC PortAddr AscSearchIOPortAddr(PortAddr, ushort); -STATIC void AscSetISAPNPWaitForKey(void); -#endif /* CONFIG_ISA */ -STATIC uchar AscGetChipScsiCtrl(PortAddr); -STATIC uchar AscSetChipScsiID(PortAddr, uchar); -STATIC uchar AscGetChipVersion(PortAddr, ushort); -STATIC ushort AscGetChipBusType(PortAddr); -STATIC ASC_DCNT AscLoadMicroCode(PortAddr, ushort, uchar *, ushort); -STATIC int AscFindSignature(PortAddr); -STATIC void AscToggleIRQAct(PortAddr); -STATIC uchar AscGetChipIRQ(PortAddr, ushort); -STATIC uchar AscSetChipIRQ(PortAddr, uchar, ushort); -STATIC ushort AscGetChipBiosAddress(PortAddr, ushort); -STATIC inline ulong DvcEnterCritical(void); -STATIC inline void DvcLeaveCritical(ulong); -#ifdef CONFIG_PCI -STATIC uchar DvcReadPCIConfigByte(ASC_DVC_VAR *, ushort); -STATIC void DvcWritePCIConfigByte(ASC_DVC_VAR *, - ushort, uchar); -#endif /* CONFIG_PCI */ -STATIC ushort AscGetChipBiosAddress(PortAddr, ushort); -STATIC void DvcSleepMilliSecond(ASC_DCNT); -STATIC void DvcDelayNanoSecond(ASC_DVC_VAR *, ASC_DCNT); -STATIC void DvcPutScsiQ(PortAddr, ushort, uchar *, int); -STATIC void DvcGetQinfo(PortAddr, ushort, uchar *, int); -STATIC ushort AscInitGetConfig(ASC_DVC_VAR *); -STATIC ushort AscInitSetConfig(ASC_DVC_VAR *); -STATIC ushort AscInitAsc1000Driver(ASC_DVC_VAR *); -STATIC void AscAsyncFix(ASC_DVC_VAR *, uchar, - ASC_SCSI_INQUIRY *); -STATIC int AscTagQueuingSafe(ASC_SCSI_INQUIRY *); -STATIC void AscInquiryHandling(ASC_DVC_VAR *, - uchar, ASC_SCSI_INQUIRY *); -STATIC int AscExeScsiQueue(ASC_DVC_VAR *, ASC_SCSI_Q *); -STATIC int AscISR(ASC_DVC_VAR *); -STATIC uint AscGetNumOfFreeQueue(ASC_DVC_VAR *, uchar, - uchar); -STATIC int AscSgListToQueue(int); -#ifdef CONFIG_ISA -STATIC void AscEnableIsaDma(uchar); -#endif /* CONFIG_ISA */ -STATIC ASC_DCNT AscGetMaxDmaCount(ushort); - - -/* - * --- Adv Library Constants and Macros - */ - -#define ADV_LIB_VERSION_MAJOR 5 -#define ADV_LIB_VERSION_MINOR 14 - -/* - * Define Adv Library required special types. - */ - /* * Portable Data Types * @@ -2036,10 +938,10 @@ STATIC ASC_DCNT AscGetMaxDmaCount(ushort); * are all consistent at 8, 16, and 32 bits respectively. Pointers * and long types are 64 bits on Alpha and UltraSPARC. */ -#define ADV_PADDR __u32 /* Physical address data type. */ -#define ADV_VADDR __u32 /* Virtual address data type. */ -#define ADV_DCNT __u32 /* Unsigned Data count type. */ -#define ADV_SDCNT __s32 /* Signed Data count type. */ +#define ADV_PADDR __u32 /* Physical address data type. */ +#define ADV_VADDR __u32 /* Virtual address data type. */ +#define ADV_DCNT __u32 /* Unsigned Data count type. */ +#define ADV_SDCNT __s32 /* Signed Data count type. */ /* * These macros are used to convert a virtual address to a @@ -2052,7 +954,7 @@ STATIC ASC_DCNT AscGetMaxDmaCount(ushort); #define ADV_VADDR_TO_U32 virt_to_bus #define ADV_U32_TO_VADDR bus_to_virt -#define AdvPortAddr void __iomem * /* Virtual memory address size */ +#define AdvPortAddr void __iomem * /* Virtual memory address size */ /* * Define Adv Library required memory access macros. @@ -2066,12 +968,6 @@ STATIC ASC_DCNT AscGetMaxDmaCount(ushort); #define ADV_CARRIER_COUNT (ASC_DEF_MAX_HOST_QNG + 15) /* - * For wide boards a CDB length maximum of 16 bytes - * is supported. - */ -#define ADV_MAX_CDB_LEN 16 - -/* * Define total number of simultaneous maximum element scatter-gather * request blocks per wide adapter. ASC_DEF_MAX_HOST_QNG (253) is the * maximum number of outstanding commands per wide host adapter. Each @@ -2079,45 +975,31 @@ STATIC ASC_DCNT AscGetMaxDmaCount(ushort); * elements. Allow each command to have at least one ADV_SG_BLOCK structure. * This allows about 15 commands to have the maximum 17 ADV_SG_BLOCK * structures or 255 scatter-gather elements. - * */ #define ADV_TOT_SG_BLOCK ASC_DEF_MAX_HOST_QNG /* - * Define Adv Library required maximum number of scatter-gather - * elements per request. + * Define maximum number of scatter-gather elements per request. */ #define ADV_MAX_SG_LIST 255 - -/* Number of SG blocks needed. */ -#define ADV_NUM_SG_BLOCK \ - ((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK) - -/* Total contiguous memory needed for SG blocks. */ -#define ADV_SG_TOTAL_MEM_SIZE \ - (sizeof(ADV_SG_BLOCK) * ADV_NUM_SG_BLOCK) - -#define ADV_PAGE_SIZE PAGE_SIZE - -#define ADV_NUM_PAGE_CROSSING \ - ((ADV_SG_TOTAL_MEM_SIZE + (ADV_PAGE_SIZE - 1))/ADV_PAGE_SIZE) +#define NO_OF_SG_PER_BLOCK 15 #define ADV_EEP_DVC_CFG_BEGIN (0x00) #define ADV_EEP_DVC_CFG_END (0x15) -#define ADV_EEP_DVC_CTL_BEGIN (0x16) /* location of OEM name */ +#define ADV_EEP_DVC_CTL_BEGIN (0x16) /* location of OEM name */ #define ADV_EEP_MAX_WORD_ADDR (0x1E) #define ADV_EEP_DELAY_MS 100 -#define ADV_EEPROM_BIG_ENDIAN 0x8000 /* EEPROM Bit 15 */ -#define ADV_EEPROM_BIOS_ENABLE 0x4000 /* EEPROM Bit 14 */ +#define ADV_EEPROM_BIG_ENDIAN 0x8000 /* EEPROM Bit 15 */ +#define ADV_EEPROM_BIOS_ENABLE 0x4000 /* EEPROM Bit 14 */ /* * For the ASC3550 Bit 13 is Termination Polarity control bit. * For later ICs Bit 13 controls whether the CIS (Card Information * Service Section) is loaded from EEPROM. */ -#define ADV_EEPROM_TERM_POL 0x2000 /* EEPROM Bit 13 */ -#define ADV_EEPROM_CIS_LD 0x2000 /* EEPROM Bit 13 */ +#define ADV_EEPROM_TERM_POL 0x2000 /* EEPROM Bit 13 */ +#define ADV_EEPROM_CIS_LD 0x2000 /* EEPROM Bit 13 */ /* * ASC38C1600 Bit 11 * @@ -2129,290 +1011,283 @@ STATIC ASC_DCNT AscGetMaxDmaCount(ushort); * INT B in the PCI Configuration Space Int Pin field. If it is 1, then * Function 1 will specify INT A. */ -#define ADV_EEPROM_INTAB 0x0800 /* EEPROM Bit 11 */ - -typedef struct adveep_3550_config -{ - /* Word Offset, Description */ - - ushort cfg_lsw; /* 00 power up initialization */ - /* bit 13 set - Term Polarity Control */ - /* bit 14 set - BIOS Enable */ - /* bit 15 set - Big Endian Mode */ - ushort cfg_msw; /* 01 unused */ - ushort disc_enable; /* 02 disconnect enable */ - ushort wdtr_able; /* 03 Wide DTR able */ - ushort sdtr_able; /* 04 Synchronous DTR able */ - ushort start_motor; /* 05 send start up motor */ - ushort tagqng_able; /* 06 tag queuing able */ - ushort bios_scan; /* 07 BIOS device control */ - ushort scam_tolerant; /* 08 no scam */ - - uchar adapter_scsi_id; /* 09 Host Adapter ID */ - uchar bios_boot_delay; /* power up wait */ - - uchar scsi_reset_delay; /* 10 reset delay */ - uchar bios_id_lun; /* first boot device scsi id & lun */ - /* high nibble is lun */ - /* low nibble is scsi id */ - - uchar termination; /* 11 0 - automatic */ - /* 1 - low off / high off */ - /* 2 - low off / high on */ - /* 3 - low on / high on */ - /* There is no low on / high off */ - - uchar reserved1; /* reserved byte (not used) */ - - ushort bios_ctrl; /* 12 BIOS control bits */ - /* bit 0 BIOS don't act as initiator. */ - /* bit 1 BIOS > 1 GB support */ - /* bit 2 BIOS > 2 Disk Support */ - /* bit 3 BIOS don't support removables */ - /* bit 4 BIOS support bootable CD */ - /* bit 5 BIOS scan enabled */ - /* bit 6 BIOS support multiple LUNs */ - /* bit 7 BIOS display of message */ - /* bit 8 SCAM disabled */ - /* bit 9 Reset SCSI bus during init. */ - /* bit 10 */ - /* bit 11 No verbose initialization. */ - /* bit 12 SCSI parity enabled */ - /* bit 13 */ - /* bit 14 */ - /* bit 15 */ - ushort ultra_able; /* 13 ULTRA speed able */ - ushort reserved2; /* 14 reserved */ - uchar max_host_qng; /* 15 maximum host queuing */ - uchar max_dvc_qng; /* maximum per device queuing */ - ushort dvc_cntl; /* 16 control bit for driver */ - ushort bug_fix; /* 17 control bit for bug fix */ - ushort serial_number_word1; /* 18 Board serial number word 1 */ - ushort serial_number_word2; /* 19 Board serial number word 2 */ - ushort serial_number_word3; /* 20 Board serial number word 3 */ - ushort check_sum; /* 21 EEP check sum */ - uchar oem_name[16]; /* 22 OEM name */ - ushort dvc_err_code; /* 30 last device driver error code */ - ushort adv_err_code; /* 31 last uc and Adv Lib error code */ - ushort adv_err_addr; /* 32 last uc error address */ - ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */ - ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */ - ushort saved_adv_err_addr; /* 35 saved last uc error address */ - ushort num_of_err; /* 36 number of error */ +#define ADV_EEPROM_INTAB 0x0800 /* EEPROM Bit 11 */ + +typedef struct adveep_3550_config { + /* Word Offset, Description */ + + ushort cfg_lsw; /* 00 power up initialization */ + /* bit 13 set - Term Polarity Control */ + /* bit 14 set - BIOS Enable */ + /* bit 15 set - Big Endian Mode */ + ushort cfg_msw; /* 01 unused */ + ushort disc_enable; /* 02 disconnect enable */ + ushort wdtr_able; /* 03 Wide DTR able */ + ushort sdtr_able; /* 04 Synchronous DTR able */ + ushort start_motor; /* 05 send start up motor */ + ushort tagqng_able; /* 06 tag queuing able */ + ushort bios_scan; /* 07 BIOS device control */ + ushort scam_tolerant; /* 08 no scam */ + + uchar adapter_scsi_id; /* 09 Host Adapter ID */ + uchar bios_boot_delay; /* power up wait */ + + uchar scsi_reset_delay; /* 10 reset delay */ + uchar bios_id_lun; /* first boot device scsi id & lun */ + /* high nibble is lun */ + /* low nibble is scsi id */ + + uchar termination; /* 11 0 - automatic */ + /* 1 - low off / high off */ + /* 2 - low off / high on */ + /* 3 - low on / high on */ + /* There is no low on / high off */ + + uchar reserved1; /* reserved byte (not used) */ + + ushort bios_ctrl; /* 12 BIOS control bits */ + /* bit 0 BIOS don't act as initiator. */ + /* bit 1 BIOS > 1 GB support */ + /* bit 2 BIOS > 2 Disk Support */ + /* bit 3 BIOS don't support removables */ + /* bit 4 BIOS support bootable CD */ + /* bit 5 BIOS scan enabled */ + /* bit 6 BIOS support multiple LUNs */ + /* bit 7 BIOS display of message */ + /* bit 8 SCAM disabled */ + /* bit 9 Reset SCSI bus during init. */ + /* bit 10 */ + /* bit 11 No verbose initialization. */ + /* bit 12 SCSI parity enabled */ + /* bit 13 */ + /* bit 14 */ + /* bit 15 */ + ushort ultra_able; /* 13 ULTRA speed able */ + ushort reserved2; /* 14 reserved */ + uchar max_host_qng; /* 15 maximum host queuing */ + uchar max_dvc_qng; /* maximum per device queuing */ + ushort dvc_cntl; /* 16 control bit for driver */ + ushort bug_fix; /* 17 control bit for bug fix */ + ushort serial_number_word1; /* 18 Board serial number word 1 */ + ushort serial_number_word2; /* 19 Board serial number word 2 */ + ushort serial_number_word3; /* 20 Board serial number word 3 */ + ushort check_sum; /* 21 EEP check sum */ + uchar oem_name[16]; /* 22 OEM name */ + ushort dvc_err_code; /* 30 last device driver error code */ + ushort adv_err_code; /* 31 last uc and Adv Lib error code */ + ushort adv_err_addr; /* 32 last uc error address */ + ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */ + ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */ + ushort saved_adv_err_addr; /* 35 saved last uc error address */ + ushort num_of_err; /* 36 number of error */ } ADVEEP_3550_CONFIG; -typedef struct adveep_38C0800_config -{ - /* Word Offset, Description */ - - ushort cfg_lsw; /* 00 power up initialization */ - /* bit 13 set - Load CIS */ - /* bit 14 set - BIOS Enable */ - /* bit 15 set - Big Endian Mode */ - ushort cfg_msw; /* 01 unused */ - ushort disc_enable; /* 02 disconnect enable */ - ushort wdtr_able; /* 03 Wide DTR able */ - ushort sdtr_speed1; /* 04 SDTR Speed TID 0-3 */ - ushort start_motor; /* 05 send start up motor */ - ushort tagqng_able; /* 06 tag queuing able */ - ushort bios_scan; /* 07 BIOS device control */ - ushort scam_tolerant; /* 08 no scam */ - - uchar adapter_scsi_id; /* 09 Host Adapter ID */ - uchar bios_boot_delay; /* power up wait */ - - uchar scsi_reset_delay; /* 10 reset delay */ - uchar bios_id_lun; /* first boot device scsi id & lun */ - /* high nibble is lun */ - /* low nibble is scsi id */ - - uchar termination_se; /* 11 0 - automatic */ - /* 1 - low off / high off */ - /* 2 - low off / high on */ - /* 3 - low on / high on */ - /* There is no low on / high off */ - - uchar termination_lvd; /* 11 0 - automatic */ - /* 1 - low off / high off */ - /* 2 - low off / high on */ - /* 3 - low on / high on */ - /* There is no low on / high off */ - - ushort bios_ctrl; /* 12 BIOS control bits */ - /* bit 0 BIOS don't act as initiator. */ - /* bit 1 BIOS > 1 GB support */ - /* bit 2 BIOS > 2 Disk Support */ - /* bit 3 BIOS don't support removables */ - /* bit 4 BIOS support bootable CD */ - /* bit 5 BIOS scan enabled */ - /* bit 6 BIOS support multiple LUNs */ - /* bit 7 BIOS display of message */ - /* bit 8 SCAM disabled */ - /* bit 9 Reset SCSI bus during init. */ - /* bit 10 */ - /* bit 11 No verbose initialization. */ - /* bit 12 SCSI parity enabled */ - /* bit 13 */ - /* bit 14 */ - /* bit 15 */ - ushort sdtr_speed2; /* 13 SDTR speed TID 4-7 */ - ushort sdtr_speed3; /* 14 SDTR speed TID 8-11 */ - uchar max_host_qng; /* 15 maximum host queueing */ - uchar max_dvc_qng; /* maximum per device queuing */ - ushort dvc_cntl; /* 16 control bit for driver */ - ushort sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */ - ushort serial_number_word1; /* 18 Board serial number word 1 */ - ushort serial_number_word2; /* 19 Board serial number word 2 */ - ushort serial_number_word3; /* 20 Board serial number word 3 */ - ushort check_sum; /* 21 EEP check sum */ - uchar oem_name[16]; /* 22 OEM name */ - ushort dvc_err_code; /* 30 last device driver error code */ - ushort adv_err_code; /* 31 last uc and Adv Lib error code */ - ushort adv_err_addr; /* 32 last uc error address */ - ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */ - ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */ - ushort saved_adv_err_addr; /* 35 saved last uc error address */ - ushort reserved36; /* 36 reserved */ - ushort reserved37; /* 37 reserved */ - ushort reserved38; /* 38 reserved */ - ushort reserved39; /* 39 reserved */ - ushort reserved40; /* 40 reserved */ - ushort reserved41; /* 41 reserved */ - ushort reserved42; /* 42 reserved */ - ushort reserved43; /* 43 reserved */ - ushort reserved44; /* 44 reserved */ - ushort reserved45; /* 45 reserved */ - ushort reserved46; /* 46 reserved */ - ushort reserved47; /* 47 reserved */ - ushort reserved48; /* 48 reserved */ - ushort reserved49; /* 49 reserved */ - ushort reserved50; /* 50 reserved */ - ushort reserved51; /* 51 reserved */ - ushort reserved52; /* 52 reserved */ - ushort reserved53; /* 53 reserved */ - ushort reserved54; /* 54 reserved */ - ushort reserved55; /* 55 reserved */ - ushort cisptr_lsw; /* 56 CIS PTR LSW */ - ushort cisprt_msw; /* 57 CIS PTR MSW */ - ushort subsysvid; /* 58 SubSystem Vendor ID */ - ushort subsysid; /* 59 SubSystem ID */ - ushort reserved60; /* 60 reserved */ - ushort reserved61; /* 61 reserved */ - ushort reserved62; /* 62 reserved */ - ushort reserved63; /* 63 reserved */ +typedef struct adveep_38C0800_config { + /* Word Offset, Description */ + + ushort cfg_lsw; /* 00 power up initialization */ + /* bit 13 set - Load CIS */ + /* bit 14 set - BIOS Enable */ + /* bit 15 set - Big Endian Mode */ + ushort cfg_msw; /* 01 unused */ + ushort disc_enable; /* 02 disconnect enable */ + ushort wdtr_able; /* 03 Wide DTR able */ + ushort sdtr_speed1; /* 04 SDTR Speed TID 0-3 */ + ushort start_motor; /* 05 send start up motor */ + ushort tagqng_able; /* 06 tag queuing able */ + ushort bios_scan; /* 07 BIOS device control */ + ushort scam_tolerant; /* 08 no scam */ + + uchar adapter_scsi_id; /* 09 Host Adapter ID */ + uchar bios_boot_delay; /* power up wait */ + + uchar scsi_reset_delay; /* 10 reset delay */ + uchar bios_id_lun; /* first boot device scsi id & lun */ + /* high nibble is lun */ + /* low nibble is scsi id */ + + uchar termination_se; /* 11 0 - automatic */ + /* 1 - low off / high off */ + /* 2 - low off / high on */ + /* 3 - low on / high on */ + /* There is no low on / high off */ + + uchar termination_lvd; /* 11 0 - automatic */ + /* 1 - low off / high off */ + /* 2 - low off / high on */ + /* 3 - low on / high on */ + /* There is no low on / high off */ + + ushort bios_ctrl; /* 12 BIOS control bits */ + /* bit 0 BIOS don't act as initiator. */ + /* bit 1 BIOS > 1 GB support */ + /* bit 2 BIOS > 2 Disk Support */ + /* bit 3 BIOS don't support removables */ + /* bit 4 BIOS support bootable CD */ + /* bit 5 BIOS scan enabled */ + /* bit 6 BIOS support multiple LUNs */ + /* bit 7 BIOS display of message */ + /* bit 8 SCAM disabled */ + /* bit 9 Reset SCSI bus during init. */ + /* bit 10 */ + /* bit 11 No verbose initialization. */ + /* bit 12 SCSI parity enabled */ + /* bit 13 */ + /* bit 14 */ + /* bit 15 */ + ushort sdtr_speed2; /* 13 SDTR speed TID 4-7 */ + ushort sdtr_speed3; /* 14 SDTR speed TID 8-11 */ + uchar max_host_qng; /* 15 maximum host queueing */ + uchar max_dvc_qng; /* maximum per device queuing */ + ushort dvc_cntl; /* 16 control bit for driver */ + ushort sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */ + ushort serial_number_word1; /* 18 Board serial number word 1 */ + ushort serial_number_word2; /* 19 Board serial number word 2 */ + ushort serial_number_word3; /* 20 Board serial number word 3 */ + ushort check_sum; /* 21 EEP check sum */ + uchar oem_name[16]; /* 22 OEM name */ + ushort dvc_err_code; /* 30 last device driver error code */ + ushort adv_err_code; /* 31 last uc and Adv Lib error code */ + ushort adv_err_addr; /* 32 last uc error address */ + ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */ + ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */ + ushort saved_adv_err_addr; /* 35 saved last uc error address */ + ushort reserved36; /* 36 reserved */ + ushort reserved37; /* 37 reserved */ + ushort reserved38; /* 38 reserved */ + ushort reserved39; /* 39 reserved */ + ushort reserved40; /* 40 reserved */ + ushort reserved41; /* 41 reserved */ + ushort reserved42; /* 42 reserved */ + ushort reserved43; /* 43 reserved */ + ushort reserved44; /* 44 reserved */ + ushort reserved45; /* 45 reserved */ + ushort reserved46; /* 46 reserved */ + ushort reserved47; /* 47 reserved */ + ushort reserved48; /* 48 reserved */ + ushort reserved49; /* 49 reserved */ + ushort reserved50; /* 50 reserved */ + ushort reserved51; /* 51 reserved */ + ushort reserved52; /* 52 reserved */ + ushort reserved53; /* 53 reserved */ + ushort reserved54; /* 54 reserved */ + ushort reserved55; /* 55 reserved */ + ushort cisptr_lsw; /* 56 CIS PTR LSW */ + ushort cisprt_msw; /* 57 CIS PTR MSW */ + ushort subsysvid; /* 58 SubSystem Vendor ID */ + ushort subsysid; /* 59 SubSystem ID */ + ushort reserved60; /* 60 reserved */ + ushort reserved61; /* 61 reserved */ + ushort reserved62; /* 62 reserved */ + ushort reserved63; /* 63 reserved */ } ADVEEP_38C0800_CONFIG; -typedef struct adveep_38C1600_config -{ - /* Word Offset, Description */ - - ushort cfg_lsw; /* 00 power up initialization */ - /* bit 11 set - Func. 0 INTB, Func. 1 INTA */ - /* clear - Func. 0 INTA, Func. 1 INTB */ - /* bit 13 set - Load CIS */ - /* bit 14 set - BIOS Enable */ - /* bit 15 set - Big Endian Mode */ - ushort cfg_msw; /* 01 unused */ - ushort disc_enable; /* 02 disconnect enable */ - ushort wdtr_able; /* 03 Wide DTR able */ - ushort sdtr_speed1; /* 04 SDTR Speed TID 0-3 */ - ushort start_motor; /* 05 send start up motor */ - ushort tagqng_able; /* 06 tag queuing able */ - ushort bios_scan; /* 07 BIOS device control */ - ushort scam_tolerant; /* 08 no scam */ - - uchar adapter_scsi_id; /* 09 Host Adapter ID */ - uchar bios_boot_delay; /* power up wait */ - - uchar scsi_reset_delay; /* 10 reset delay */ - uchar bios_id_lun; /* first boot device scsi id & lun */ - /* high nibble is lun */ - /* low nibble is scsi id */ - - uchar termination_se; /* 11 0 - automatic */ - /* 1 - low off / high off */ - /* 2 - low off / high on */ - /* 3 - low on / high on */ - /* There is no low on / high off */ - - uchar termination_lvd; /* 11 0 - automatic */ - /* 1 - low off / high off */ - /* 2 - low off / high on */ - /* 3 - low on / high on */ - /* There is no low on / high off */ - - ushort bios_ctrl; /* 12 BIOS control bits */ - /* bit 0 BIOS don't act as initiator. */ - /* bit 1 BIOS > 1 GB support */ - /* bit 2 BIOS > 2 Disk Support */ - /* bit 3 BIOS don't support removables */ - /* bit 4 BIOS support bootable CD */ - /* bit 5 BIOS scan enabled */ - /* bit 6 BIOS support multiple LUNs */ - /* bit 7 BIOS display of message */ - /* bit 8 SCAM disabled */ - /* bit 9 Reset SCSI bus during init. */ - /* bit 10 Basic Integrity Checking disabled */ - /* bit 11 No verbose initialization. */ - /* bit 12 SCSI parity enabled */ - /* bit 13 AIPP (Asyn. Info. Ph. Prot.) dis. */ - /* bit 14 */ - /* bit 15 */ - ushort sdtr_speed2; /* 13 SDTR speed TID 4-7 */ - ushort sdtr_speed3; /* 14 SDTR speed TID 8-11 */ - uchar max_host_qng; /* 15 maximum host queueing */ - uchar max_dvc_qng; /* maximum per device queuing */ - ushort dvc_cntl; /* 16 control bit for driver */ - ushort sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */ - ushort serial_number_word1; /* 18 Board serial number word 1 */ - ushort serial_number_word2; /* 19 Board serial number word 2 */ - ushort serial_number_word3; /* 20 Board serial number word 3 */ - ushort check_sum; /* 21 EEP check sum */ - uchar oem_name[16]; /* 22 OEM name */ - ushort dvc_err_code; /* 30 last device driver error code */ - ushort adv_err_code; /* 31 last uc and Adv Lib error code */ - ushort adv_err_addr; /* 32 last uc error address */ - ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */ - ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */ - ushort saved_adv_err_addr; /* 35 saved last uc error address */ - ushort reserved36; /* 36 reserved */ - ushort reserved37; /* 37 reserved */ - ushort reserved38; /* 38 reserved */ - ushort reserved39; /* 39 reserved */ - ushort reserved40; /* 40 reserved */ - ushort reserved41; /* 41 reserved */ - ushort reserved42; /* 42 reserved */ - ushort reserved43; /* 43 reserved */ - ushort reserved44; /* 44 reserved */ - ushort reserved45; /* 45 reserved */ - ushort reserved46; /* 46 reserved */ - ushort reserved47; /* 47 reserved */ - ushort reserved48; /* 48 reserved */ - ushort reserved49; /* 49 reserved */ - ushort reserved50; /* 50 reserved */ - ushort reserved51; /* 51 reserved */ - ushort reserved52; /* 52 reserved */ - ushort reserved53; /* 53 reserved */ - ushort reserved54; /* 54 reserved */ - ushort reserved55; /* 55 reserved */ - ushort cisptr_lsw; /* 56 CIS PTR LSW */ - ushort cisprt_msw; /* 57 CIS PTR MSW */ - ushort subsysvid; /* 58 SubSystem Vendor ID */ - ushort subsysid; /* 59 SubSystem ID */ - ushort reserved60; /* 60 reserved */ - ushort reserved61; /* 61 reserved */ - ushort reserved62; /* 62 reserved */ - ushort reserved63; /* 63 reserved */ +typedef struct adveep_38C1600_config { + /* Word Offset, Description */ + + ushort cfg_lsw; /* 00 power up initialization */ + /* bit 11 set - Func. 0 INTB, Func. 1 INTA */ + /* clear - Func. 0 INTA, Func. 1 INTB */ + /* bit 13 set - Load CIS */ + /* bit 14 set - BIOS Enable */ + /* bit 15 set - Big Endian Mode */ + ushort cfg_msw; /* 01 unused */ + ushort disc_enable; /* 02 disconnect enable */ + ushort wdtr_able; /* 03 Wide DTR able */ + ushort sdtr_speed1; /* 04 SDTR Speed TID 0-3 */ + ushort start_motor; /* 05 send start up motor */ + ushort tagqng_able; /* 06 tag queuing able */ + ushort bios_scan; /* 07 BIOS device control */ + ushort scam_tolerant; /* 08 no scam */ + + uchar adapter_scsi_id; /* 09 Host Adapter ID */ + uchar bios_boot_delay; /* power up wait */ + + uchar scsi_reset_delay; /* 10 reset delay */ + uchar bios_id_lun; /* first boot device scsi id & lun */ + /* high nibble is lun */ + /* low nibble is scsi id */ + + uchar termination_se; /* 11 0 - automatic */ + /* 1 - low off / high off */ + /* 2 - low off / high on */ + /* 3 - low on / high on */ + /* There is no low on / high off */ + + uchar termination_lvd; /* 11 0 - automatic */ + /* 1 - low off / high off */ + /* 2 - low off / high on */ + /* 3 - low on / high on */ + /* There is no low on / high off */ + + ushort bios_ctrl; /* 12 BIOS control bits */ + /* bit 0 BIOS don't act as initiator. */ + /* bit 1 BIOS > 1 GB support */ + /* bit 2 BIOS > 2 Disk Support */ + /* bit 3 BIOS don't support removables */ + /* bit 4 BIOS support bootable CD */ + /* bit 5 BIOS scan enabled */ + /* bit 6 BIOS support multiple LUNs */ + /* bit 7 BIOS display of message */ + /* bit 8 SCAM disabled */ + /* bit 9 Reset SCSI bus during init. */ + /* bit 10 Basic Integrity Checking disabled */ + /* bit 11 No verbose initialization. */ + /* bit 12 SCSI parity enabled */ + /* bit 13 AIPP (Asyn. Info. Ph. Prot.) dis. */ + /* bit 14 */ + /* bit 15 */ + ushort sdtr_speed2; /* 13 SDTR speed TID 4-7 */ + ushort sdtr_speed3; /* 14 SDTR speed TID 8-11 */ + uchar max_host_qng; /* 15 maximum host queueing */ + uchar max_dvc_qng; /* maximum per device queuing */ + ushort dvc_cntl; /* 16 control bit for driver */ + ushort sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */ + ushort serial_number_word1; /* 18 Board serial number word 1 */ + ushort serial_number_word2; /* 19 Board serial number word 2 */ + ushort serial_number_word3; /* 20 Board serial number word 3 */ + ushort check_sum; /* 21 EEP check sum */ + uchar oem_name[16]; /* 22 OEM name */ + ushort dvc_err_code; /* 30 last device driver error code */ + ushort adv_err_code; /* 31 last uc and Adv Lib error code */ + ushort adv_err_addr; /* 32 last uc error address */ + ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */ + ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */ + ushort saved_adv_err_addr; /* 35 saved last uc error address */ + ushort reserved36; /* 36 reserved */ + ushort reserved37; /* 37 reserved */ + ushort reserved38; /* 38 reserved */ + ushort reserved39; /* 39 reserved */ + ushort reserved40; /* 40 reserved */ + ushort reserved41; /* 41 reserved */ + ushort reserved42; /* 42 reserved */ + ushort reserved43; /* 43 reserved */ + ushort reserved44; /* 44 reserved */ + ushort reserved45; /* 45 reserved */ + ushort reserved46; /* 46 reserved */ + ushort reserved47; /* 47 reserved */ + ushort reserved48; /* 48 reserved */ + ushort reserved49; /* 49 reserved */ + ushort reserved50; /* 50 reserved */ + ushort reserved51; /* 51 reserved */ + ushort reserved52; /* 52 reserved */ + ushort reserved53; /* 53 reserved */ + ushort reserved54; /* 54 reserved */ + ushort reserved55; /* 55 reserved */ + ushort cisptr_lsw; /* 56 CIS PTR LSW */ + ushort cisprt_msw; /* 57 CIS PTR MSW */ + ushort subsysvid; /* 58 SubSystem Vendor ID */ + ushort subsysid; /* 59 SubSystem ID */ + ushort reserved60; /* 60 reserved */ + ushort reserved61; /* 61 reserved */ + ushort reserved62; /* 62 reserved */ + ushort reserved63; /* 63 reserved */ } ADVEEP_38C1600_CONFIG; /* * EEPROM Commands */ #define ASC_EEP_CMD_DONE 0x0200 -#define ASC_EEP_CMD_DONE_ERR 0x0001 - -/* cfg_word */ -#define EEP_CFG_WORD_BIG_ENDIAN 0x8000 /* bios_ctrl */ #define BIOS_CTRL_BIOS 0x0001 @@ -2428,11 +1303,9 @@ typedef struct adveep_38C1600_config #define BIOS_CTRL_SCSI_PARITY 0x1000 #define BIOS_CTRL_AIPP_DIS 0x2000 -#define ADV_3550_MEMSIZE 0x2000 /* 8 KB Internal Memory */ -#define ADV_3550_IOLEN 0x40 /* I/O Port Range in bytes */ +#define ADV_3550_MEMSIZE 0x2000 /* 8 KB Internal Memory */ -#define ADV_38C0800_MEMSIZE 0x4000 /* 16 KB Internal Memory */ -#define ADV_38C0800_IOLEN 0x100 /* I/O Port Range in bytes */ +#define ADV_38C0800_MEMSIZE 0x4000 /* 16 KB Internal Memory */ /* * XXX - Since ASC38C1600 Rev.3 has a local RAM failure issue, there is @@ -2441,9 +1314,7 @@ typedef struct adveep_38C1600_config * * #define ADV_38C1600_MEMSIZE 0x8000L * 32 KB Internal Memory * */ -#define ADV_38C1600_MEMSIZE 0x4000 /* 16 KB Internal Memory */ -#define ADV_38C1600_IOLEN 0x100 /* I/O Port Range 256 bytes */ -#define ADV_38C1600_MEMLEN 0x1000 /* Memory Range 4KB bytes */ +#define ADV_38C1600_MEMSIZE 0x4000 /* 16 KB Internal Memory */ /* * Byte I/O register address from base of 'iop_base'. @@ -2516,39 +1387,39 @@ typedef struct adveep_38C1600_config /* * Word I/O register address from base of 'iop_base'. */ -#define IOPW_CHIP_ID_0 0x00 /* CID0 */ -#define IOPW_CTRL_REG 0x02 /* CC */ -#define IOPW_RAM_ADDR 0x04 /* LA */ -#define IOPW_RAM_DATA 0x06 /* LD */ +#define IOPW_CHIP_ID_0 0x00 /* CID0 */ +#define IOPW_CTRL_REG 0x02 /* CC */ +#define IOPW_RAM_ADDR 0x04 /* LA */ +#define IOPW_RAM_DATA 0x06 /* LD */ #define IOPW_RES_ADDR_08 0x08 -#define IOPW_RISC_CSR 0x0A /* CSR */ -#define IOPW_SCSI_CFG0 0x0C /* CFG0 */ -#define IOPW_SCSI_CFG1 0x0E /* CFG1 */ +#define IOPW_RISC_CSR 0x0A /* CSR */ +#define IOPW_SCSI_CFG0 0x0C /* CFG0 */ +#define IOPW_SCSI_CFG1 0x0E /* CFG1 */ #define IOPW_RES_ADDR_10 0x10 -#define IOPW_SEL_MASK 0x12 /* SM */ +#define IOPW_SEL_MASK 0x12 /* SM */ #define IOPW_RES_ADDR_14 0x14 -#define IOPW_FLASH_ADDR 0x16 /* FA */ +#define IOPW_FLASH_ADDR 0x16 /* FA */ #define IOPW_RES_ADDR_18 0x18 -#define IOPW_EE_CMD 0x1A /* EC */ -#define IOPW_EE_DATA 0x1C /* ED */ -#define IOPW_SFIFO_CNT 0x1E /* SFC */ +#define IOPW_EE_CMD 0x1A /* EC */ +#define IOPW_EE_DATA 0x1C /* ED */ +#define IOPW_SFIFO_CNT 0x1E /* SFC */ #define IOPW_RES_ADDR_20 0x20 -#define IOPW_Q_BASE 0x22 /* QB */ -#define IOPW_QP 0x24 /* QP */ -#define IOPW_IX 0x26 /* IX */ -#define IOPW_SP 0x28 /* SP */ -#define IOPW_PC 0x2A /* PC */ +#define IOPW_Q_BASE 0x22 /* QB */ +#define IOPW_QP 0x24 /* QP */ +#define IOPW_IX 0x26 /* IX */ +#define IOPW_SP 0x28 /* SP */ +#define IOPW_PC 0x2A /* PC */ #define IOPW_RES_ADDR_2C 0x2C #define IOPW_RES_ADDR_2E 0x2E -#define IOPW_SCSI_DATA 0x30 /* SD */ -#define IOPW_SCSI_DATA_HSHK 0x32 /* SDH */ -#define IOPW_SCSI_CTRL 0x34 /* SC */ -#define IOPW_HSHK_CFG 0x36 /* HCFG */ -#define IOPW_SXFR_STATUS 0x36 /* SXS */ -#define IOPW_SXFR_CNTL 0x38 /* SXL */ -#define IOPW_SXFR_CNTH 0x3A /* SXH */ +#define IOPW_SCSI_DATA 0x30 /* SD */ +#define IOPW_SCSI_DATA_HSHK 0x32 /* SDH */ +#define IOPW_SCSI_CTRL 0x34 /* SC */ +#define IOPW_HSHK_CFG 0x36 /* HCFG */ +#define IOPW_SXFR_STATUS 0x36 /* SXS */ +#define IOPW_SXFR_CNTL 0x38 /* SXL */ +#define IOPW_SXFR_CNTH 0x3A /* SXH */ #define IOPW_RES_ADDR_3C 0x3C -#define IOPW_RFIFO_DATA 0x3E /* RFD */ +#define IOPW_RFIFO_DATA 0x3E /* RFD */ /* * Doubleword I/O register address from base of 'iop_base'. @@ -2573,8 +1444,6 @@ typedef struct adveep_38C1600_config #define ADV_CHIP_ID_BYTE 0x25 #define ADV_CHIP_ID_WORD 0x04C1 -#define ADV_SC_SCSI_BUS_RESET 0x2000 - #define ADV_INTR_ENABLE_HOST_INTR 0x01 #define ADV_INTR_ENABLE_SEL_INTR 0x02 #define ADV_INTR_ENABLE_DPR_INTR 0x04 @@ -2614,44 +1483,42 @@ typedef struct adveep_38C1600_config #define ADV_TICKLE_B 0x02 #define ADV_TICKLE_C 0x03 -#define ADV_SCSI_CTRL_RSTOUT 0x2000 - #define AdvIsIntPending(port) \ (AdvReadWordRegister(port, IOPW_CTRL_REG) & ADV_CTRL_REG_HOST_INTR) /* * SCSI_CFG0 Register bit definitions */ -#define TIMER_MODEAB 0xC000 /* Watchdog, Second, and Select. Timer Ctrl. */ -#define PARITY_EN 0x2000 /* Enable SCSI Parity Error detection */ -#define EVEN_PARITY 0x1000 /* Select Even Parity */ -#define WD_LONG 0x0800 /* Watchdog Interval, 1: 57 min, 0: 13 sec */ -#define QUEUE_128 0x0400 /* Queue Size, 1: 128 byte, 0: 64 byte */ -#define PRIM_MODE 0x0100 /* Primitive SCSI mode */ -#define SCAM_EN 0x0080 /* Enable SCAM selection */ -#define SEL_TMO_LONG 0x0040 /* Sel/Resel Timeout, 1: 400 ms, 0: 1.6 ms */ -#define CFRM_ID 0x0020 /* SCAM id sel. confirm., 1: fast, 0: 6.4 ms */ -#define OUR_ID_EN 0x0010 /* Enable OUR_ID bits */ -#define OUR_ID 0x000F /* SCSI ID */ +#define TIMER_MODEAB 0xC000 /* Watchdog, Second, and Select. Timer Ctrl. */ +#define PARITY_EN 0x2000 /* Enable SCSI Parity Error detection */ +#define EVEN_PARITY 0x1000 /* Select Even Parity */ +#define WD_LONG 0x0800 /* Watchdog Interval, 1: 57 min, 0: 13 sec */ +#define QUEUE_128 0x0400 /* Queue Size, 1: 128 byte, 0: 64 byte */ +#define PRIM_MODE 0x0100 /* Primitive SCSI mode */ +#define SCAM_EN 0x0080 /* Enable SCAM selection */ +#define SEL_TMO_LONG 0x0040 /* Sel/Resel Timeout, 1: 400 ms, 0: 1.6 ms */ +#define CFRM_ID 0x0020 /* SCAM id sel. confirm., 1: fast, 0: 6.4 ms */ +#define OUR_ID_EN 0x0010 /* Enable OUR_ID bits */ +#define OUR_ID 0x000F /* SCSI ID */ /* * SCSI_CFG1 Register bit definitions */ -#define BIG_ENDIAN 0x8000 /* Enable Big Endian Mode MIO:15, EEP:15 */ -#define TERM_POL 0x2000 /* Terminator Polarity Ctrl. MIO:13, EEP:13 */ -#define SLEW_RATE 0x1000 /* SCSI output buffer slew rate */ -#define FILTER_SEL 0x0C00 /* Filter Period Selection */ -#define FLTR_DISABLE 0x0000 /* Input Filtering Disabled */ -#define FLTR_11_TO_20NS 0x0800 /* Input Filtering 11ns to 20ns */ -#define FLTR_21_TO_39NS 0x0C00 /* Input Filtering 21ns to 39ns */ -#define ACTIVE_DBL 0x0200 /* Disable Active Negation */ -#define DIFF_MODE 0x0100 /* SCSI differential Mode (Read-Only) */ -#define DIFF_SENSE 0x0080 /* 1: No SE cables, 0: SE cable (Read-Only) */ -#define TERM_CTL_SEL 0x0040 /* Enable TERM_CTL_H and TERM_CTL_L */ -#define TERM_CTL 0x0030 /* External SCSI Termination Bits */ -#define TERM_CTL_H 0x0020 /* Enable External SCSI Upper Termination */ -#define TERM_CTL_L 0x0010 /* Enable External SCSI Lower Termination */ -#define CABLE_DETECT 0x000F /* External SCSI Cable Connection Status */ +#define BIG_ENDIAN 0x8000 /* Enable Big Endian Mode MIO:15, EEP:15 */ +#define TERM_POL 0x2000 /* Terminator Polarity Ctrl. MIO:13, EEP:13 */ +#define SLEW_RATE 0x1000 /* SCSI output buffer slew rate */ +#define FILTER_SEL 0x0C00 /* Filter Period Selection */ +#define FLTR_DISABLE 0x0000 /* Input Filtering Disabled */ +#define FLTR_11_TO_20NS 0x0800 /* Input Filtering 11ns to 20ns */ +#define FLTR_21_TO_39NS 0x0C00 /* Input Filtering 21ns to 39ns */ +#define ACTIVE_DBL 0x0200 /* Disable Active Negation */ +#define DIFF_MODE 0x0100 /* SCSI differential Mode (Read-Only) */ +#define DIFF_SENSE 0x0080 /* 1: No SE cables, 0: SE cable (Read-Only) */ +#define TERM_CTL_SEL 0x0040 /* Enable TERM_CTL_H and TERM_CTL_L */ +#define TERM_CTL 0x0030 /* External SCSI Termination Bits */ +#define TERM_CTL_H 0x0020 /* Enable External SCSI Upper Termination */ +#define TERM_CTL_L 0x0010 /* Enable External SCSI Lower Termination */ +#define CABLE_DETECT 0x000F /* External SCSI Cable Connection Status */ /* * Addendum for ASC-38C0800 Chip @@ -2664,24 +1531,23 @@ typedef struct adveep_38C1600_config * Also each ASC-38C1600 function or channel uses only cable bits [5:4] * and [1:0]. Bits [14], [7:6], [3:2] are unused. */ -#define DIS_TERM_DRV 0x4000 /* 1: Read c_det[3:0], 0: cannot read */ -#define HVD_LVD_SE 0x1C00 /* Device Detect Bits */ -#define HVD 0x1000 /* HVD Device Detect */ -#define LVD 0x0800 /* LVD Device Detect */ -#define SE 0x0400 /* SE Device Detect */ -#define TERM_LVD 0x00C0 /* LVD Termination Bits */ -#define TERM_LVD_HI 0x0080 /* Enable LVD Upper Termination */ -#define TERM_LVD_LO 0x0040 /* Enable LVD Lower Termination */ -#define TERM_SE 0x0030 /* SE Termination Bits */ -#define TERM_SE_HI 0x0020 /* Enable SE Upper Termination */ -#define TERM_SE_LO 0x0010 /* Enable SE Lower Termination */ -#define C_DET_LVD 0x000C /* LVD Cable Detect Bits */ -#define C_DET3 0x0008 /* Cable Detect for LVD External Wide */ -#define C_DET2 0x0004 /* Cable Detect for LVD Internal Wide */ -#define C_DET_SE 0x0003 /* SE Cable Detect Bits */ -#define C_DET1 0x0002 /* Cable Detect for SE Internal Wide */ -#define C_DET0 0x0001 /* Cable Detect for SE Internal Narrow */ - +#define DIS_TERM_DRV 0x4000 /* 1: Read c_det[3:0], 0: cannot read */ +#define HVD_LVD_SE 0x1C00 /* Device Detect Bits */ +#define HVD 0x1000 /* HVD Device Detect */ +#define LVD 0x0800 /* LVD Device Detect */ +#define SE 0x0400 /* SE Device Detect */ +#define TERM_LVD 0x00C0 /* LVD Termination Bits */ +#define TERM_LVD_HI 0x0080 /* Enable LVD Upper Termination */ +#define TERM_LVD_LO 0x0040 /* Enable LVD Lower Termination */ +#define TERM_SE 0x0030 /* SE Termination Bits */ +#define TERM_SE_HI 0x0020 /* Enable SE Upper Termination */ +#define TERM_SE_LO 0x0010 /* Enable SE Lower Termination */ +#define C_DET_LVD 0x000C /* LVD Cable Detect Bits */ +#define C_DET3 0x0008 /* Cable Detect for LVD External Wide */ +#define C_DET2 0x0004 /* Cable Detect for LVD Internal Wide */ +#define C_DET_SE 0x0003 /* SE Cable Detect Bits */ +#define C_DET1 0x0002 /* Cable Detect for SE Internal Wide */ +#define C_DET0 0x0001 /* Cable Detect for SE Internal Narrow */ #define CABLE_ILLEGAL_A 0x7 /* x 0 0 0 | on on | Illegal (all 3 connectors are used) */ @@ -2692,39 +1558,39 @@ typedef struct adveep_38C1600_config /* * MEM_CFG Register bit definitions */ -#define BIOS_EN 0x40 /* BIOS Enable MIO:14,EEP:14 */ -#define FAST_EE_CLK 0x20 /* Diagnostic Bit */ -#define RAM_SZ 0x1C /* Specify size of RAM to RISC */ -#define RAM_SZ_2KB 0x00 /* 2 KB */ -#define RAM_SZ_4KB 0x04 /* 4 KB */ -#define RAM_SZ_8KB 0x08 /* 8 KB */ -#define RAM_SZ_16KB 0x0C /* 16 KB */ -#define RAM_SZ_32KB 0x10 /* 32 KB */ -#define RAM_SZ_64KB 0x14 /* 64 KB */ +#define BIOS_EN 0x40 /* BIOS Enable MIO:14,EEP:14 */ +#define FAST_EE_CLK 0x20 /* Diagnostic Bit */ +#define RAM_SZ 0x1C /* Specify size of RAM to RISC */ +#define RAM_SZ_2KB 0x00 /* 2 KB */ +#define RAM_SZ_4KB 0x04 /* 4 KB */ +#define RAM_SZ_8KB 0x08 /* 8 KB */ +#define RAM_SZ_16KB 0x0C /* 16 KB */ +#define RAM_SZ_32KB 0x10 /* 32 KB */ +#define RAM_SZ_64KB 0x14 /* 64 KB */ /* * DMA_CFG0 Register bit definitions * * This register is only accessible to the host. */ -#define BC_THRESH_ENB 0x80 /* PCI DMA Start Conditions */ -#define FIFO_THRESH 0x70 /* PCI DMA FIFO Threshold */ -#define FIFO_THRESH_16B 0x00 /* 16 bytes */ -#define FIFO_THRESH_32B 0x20 /* 32 bytes */ -#define FIFO_THRESH_48B 0x30 /* 48 bytes */ -#define FIFO_THRESH_64B 0x40 /* 64 bytes */ -#define FIFO_THRESH_80B 0x50 /* 80 bytes (default) */ -#define FIFO_THRESH_96B 0x60 /* 96 bytes */ -#define FIFO_THRESH_112B 0x70 /* 112 bytes */ -#define START_CTL 0x0C /* DMA start conditions */ -#define START_CTL_TH 0x00 /* Wait threshold level (default) */ -#define START_CTL_ID 0x04 /* Wait SDMA/SBUS idle */ -#define START_CTL_THID 0x08 /* Wait threshold and SDMA/SBUS idle */ -#define START_CTL_EMFU 0x0C /* Wait SDMA FIFO empty/full */ -#define READ_CMD 0x03 /* Memory Read Method */ -#define READ_CMD_MR 0x00 /* Memory Read */ -#define READ_CMD_MRL 0x02 /* Memory Read Long */ -#define READ_CMD_MRM 0x03 /* Memory Read Multiple (default) */ +#define BC_THRESH_ENB 0x80 /* PCI DMA Start Conditions */ +#define FIFO_THRESH 0x70 /* PCI DMA FIFO Threshold */ +#define FIFO_THRESH_16B 0x00 /* 16 bytes */ +#define FIFO_THRESH_32B 0x20 /* 32 bytes */ +#define FIFO_THRESH_48B 0x30 /* 48 bytes */ +#define FIFO_THRESH_64B 0x40 /* 64 bytes */ +#define FIFO_THRESH_80B 0x50 /* 80 bytes (default) */ +#define FIFO_THRESH_96B 0x60 /* 96 bytes */ +#define FIFO_THRESH_112B 0x70 /* 112 bytes */ +#define START_CTL 0x0C /* DMA start conditions */ +#define START_CTL_TH 0x00 /* Wait threshold level (default) */ +#define START_CTL_ID 0x04 /* Wait SDMA/SBUS idle */ +#define START_CTL_THID 0x08 /* Wait threshold and SDMA/SBUS idle */ +#define START_CTL_EMFU 0x0C /* Wait SDMA FIFO empty/full */ +#define READ_CMD 0x03 /* Memory Read Method */ +#define READ_CMD_MR 0x00 /* Memory Read */ +#define READ_CMD_MRL 0x02 /* Memory Read Long */ +#define READ_CMD_MRM 0x03 /* Memory Read Multiple (default) */ /* * ASC-38C0800 RAM BIST Register bit definitions @@ -2748,7 +1614,7 @@ typedef struct adveep_38C1600_config * IOPB_PCI_INT_CFG Bit Field Definitions */ -#define INTAB_LD 0x80 /* Value loaded from EEPROM Bit 11. */ +#define INTAB_LD 0x80 /* Value loaded from EEPROM Bit 11. */ /* * Bit 1 can be set to change the interrupt for the Function to operate in @@ -2769,65 +1635,42 @@ typedef struct adveep_38C1600_config */ #define INTAB 0x01 -/* a_advlib.h */ - /* * Adv Library Status Definitions */ #define ADV_TRUE 1 #define ADV_FALSE 0 -#define ADV_NOERROR 1 #define ADV_SUCCESS 1 #define ADV_BUSY 0 #define ADV_ERROR (-1) - /* * ADV_DVC_VAR 'warn_code' values */ -#define ASC_WARN_BUSRESET_ERROR 0x0001 /* SCSI Bus Reset error */ -#define ASC_WARN_EEPROM_CHKSUM 0x0002 /* EEP check sum error */ -#define ASC_WARN_EEPROM_TERMINATION 0x0004 /* EEP termination bad field */ -#define ASC_WARN_SET_PCI_CONFIG_SPACE 0x0080 /* PCI config space set error */ -#define ASC_WARN_ERROR 0xFFFF /* ADV_ERROR return */ - -#define ADV_MAX_TID 15 /* max. target identifier */ -#define ADV_MAX_LUN 7 /* max. logical unit number */ +#define ASC_WARN_BUSRESET_ERROR 0x0001 /* SCSI Bus Reset error */ +#define ASC_WARN_EEPROM_CHKSUM 0x0002 /* EEP check sum error */ +#define ASC_WARN_EEPROM_TERMINATION 0x0004 /* EEP termination bad field */ +#define ASC_WARN_ERROR 0xFFFF /* ADV_ERROR return */ -/* - * Error code values are set in ADV_DVC_VAR 'err_code'. - */ -#define ASC_IERR_WRITE_EEPROM 0x0001 /* write EEPROM error */ -#define ASC_IERR_MCODE_CHKSUM 0x0002 /* micro code check sum error */ -#define ASC_IERR_NO_CARRIER 0x0004 /* No more carrier memory. */ -#define ASC_IERR_START_STOP_CHIP 0x0008 /* start/stop chip failed */ -#define ASC_IERR_CHIP_VERSION 0x0040 /* wrong chip version */ -#define ASC_IERR_SET_SCSI_ID 0x0080 /* set SCSI ID failed */ -#define ASC_IERR_HVD_DEVICE 0x0100 /* HVD attached to LVD connector. */ -#define ASC_IERR_BAD_SIGNATURE 0x0200 /* signature not found */ -#define ASC_IERR_ILLEGAL_CONNECTION 0x0400 /* Illegal cable connection */ -#define ASC_IERR_SINGLE_END_DEVICE 0x0800 /* Single-end used w/differential */ -#define ASC_IERR_REVERSED_CABLE 0x1000 /* Narrow flat cable reversed */ -#define ASC_IERR_BIST_PRE_TEST 0x2000 /* BIST pre-test error */ -#define ASC_IERR_BIST_RAM_TEST 0x4000 /* BIST RAM test error */ -#define ASC_IERR_BAD_CHIPTYPE 0x8000 /* Invalid 'chip_type' setting. */ +#define ADV_MAX_TID 15 /* max. target identifier */ +#define ADV_MAX_LUN 7 /* max. logical unit number */ /* * Fixed locations of microcode operating variables. */ -#define ASC_MC_CODE_BEGIN_ADDR 0x0028 /* microcode start address */ -#define ASC_MC_CODE_END_ADDR 0x002A /* microcode end address */ -#define ASC_MC_CODE_CHK_SUM 0x002C /* microcode code checksum */ -#define ASC_MC_VERSION_DATE 0x0038 /* microcode version */ -#define ASC_MC_VERSION_NUM 0x003A /* microcode number */ -#define ASC_MC_BIOSMEM 0x0040 /* BIOS RISC Memory Start */ -#define ASC_MC_BIOSLEN 0x0050 /* BIOS RISC Memory Length */ -#define ASC_MC_BIOS_SIGNATURE 0x0058 /* BIOS Signature 0x55AA */ -#define ASC_MC_BIOS_VERSION 0x005A /* BIOS Version (2 bytes) */ -#define ASC_MC_SDTR_SPEED1 0x0090 /* SDTR Speed for TID 0-3 */ -#define ASC_MC_SDTR_SPEED2 0x0092 /* SDTR Speed for TID 4-7 */ -#define ASC_MC_SDTR_SPEED3 0x0094 /* SDTR Speed for TID 8-11 */ -#define ASC_MC_SDTR_SPEED4 0x0096 /* SDTR Speed for TID 12-15 */ +#define ASC_MC_CODE_BEGIN_ADDR 0x0028 /* microcode start address */ +#define ASC_MC_CODE_END_ADDR 0x002A /* microcode end address */ +#define ASC_MC_CODE_CHK_SUM 0x002C /* microcode code checksum */ +#define ASC_MC_VERSION_DATE 0x0038 /* microcode version */ +#define ASC_MC_VERSION_NUM 0x003A /* microcode number */ +#define ASC_MC_BIOSMEM 0x0040 /* BIOS RISC Memory Start */ +#define ASC_MC_BIOSLEN 0x0050 /* BIOS RISC Memory Length */ +#define ASC_MC_BIOS_SIGNATURE 0x0058 /* BIOS Signature 0x55AA */ +#define ASC_MC_BIOS_VERSION 0x005A /* BIOS Version (2 bytes) */ +#define ASC_MC_SDTR_SPEED1 0x0090 /* SDTR Speed for TID 0-3 */ +#define ASC_MC_SDTR_SPEED2 0x0092 /* SDTR Speed for TID 4-7 */ +#define ASC_MC_SDTR_SPEED3 0x0094 /* SDTR Speed for TID 8-11 */ +#define ASC_MC_SDTR_SPEED4 0x0096 /* SDTR Speed for TID 12-15 */ #define ASC_MC_CHIP_TYPE 0x009A #define ASC_MC_INTRB_CODE 0x009B #define ASC_MC_WDTR_ABLE 0x009C @@ -2845,9 +1688,9 @@ typedef struct adveep_38C1600_config #define ASC_MC_NUMBER_OF_QUEUED_CMD 0x00C0 #define ASC_MC_NUMBER_OF_MAX_CMD 0x00D0 #define ASC_MC_DEVICE_HSHK_CFG_TABLE 0x0100 -#define ASC_MC_CONTROL_FLAG 0x0122 /* Microcode control flag. */ +#define ASC_MC_CONTROL_FLAG 0x0122 /* Microcode control flag. */ #define ASC_MC_WDTR_DONE 0x0124 -#define ASC_MC_CAM_MODE_MASK 0x015E /* CAM mode TID bitmask. */ +#define ASC_MC_CAM_MODE_MASK 0x015E /* CAM mode TID bitmask. */ #define ASC_MC_ICQ 0x0160 #define ASC_MC_IRQ 0x0164 #define ASC_MC_PPR_ABLE 0x017A @@ -2866,8 +1709,8 @@ typedef struct adveep_38C1600_config * Flags set by the Adv Library in RISC variable 'control_flag' (0x122) * and handled by the microcode. */ -#define CONTROL_FLAG_IGNORE_PERR 0x0001 /* Ignore DMA Parity Errors */ -#define CONTROL_FLAG_ENABLE_AIPP 0x0002 /* Enabled AIPP checking. */ +#define CONTROL_FLAG_IGNORE_PERR 0x0001 /* Ignore DMA Parity Errors */ +#define CONTROL_FLAG_ENABLE_AIPP 0x0002 /* Enabled AIPP checking. */ /* * ASC_MC_DEVICE_HSHK_CFG_TABLE microcode table or HSHK_CFG register format @@ -2876,45 +1719,44 @@ typedef struct adveep_38C1600_config #define HSHK_CFG_RATE 0x0F00 #define HSHK_CFG_OFFSET 0x001F -#define ASC_DEF_MAX_HOST_QNG 0xFD /* Max. number of host commands (253) */ -#define ASC_DEF_MIN_HOST_QNG 0x10 /* Min. number of host commands (16) */ -#define ASC_DEF_MAX_DVC_QNG 0x3F /* Max. number commands per device (63) */ -#define ASC_DEF_MIN_DVC_QNG 0x04 /* Min. number commands per device (4) */ - -#define ASC_QC_DATA_CHECK 0x01 /* Require ASC_QC_DATA_OUT set or clear. */ -#define ASC_QC_DATA_OUT 0x02 /* Data out DMA transfer. */ -#define ASC_QC_START_MOTOR 0x04 /* Send auto-start motor before request. */ -#define ASC_QC_NO_OVERRUN 0x08 /* Don't report overrun. */ -#define ASC_QC_FREEZE_TIDQ 0x10 /* Freeze TID queue after request. XXX TBD */ - -#define ASC_QSC_NO_DISC 0x01 /* Don't allow disconnect for request. */ -#define ASC_QSC_NO_TAGMSG 0x02 /* Don't allow tag queuing for request. */ -#define ASC_QSC_NO_SYNC 0x04 /* Don't use Synch. transfer on request. */ -#define ASC_QSC_NO_WIDE 0x08 /* Don't use Wide transfer on request. */ -#define ASC_QSC_REDO_DTR 0x10 /* Renegotiate WDTR/SDTR before request. */ +#define ASC_DEF_MAX_HOST_QNG 0xFD /* Max. number of host commands (253) */ +#define ASC_DEF_MIN_HOST_QNG 0x10 /* Min. number of host commands (16) */ +#define ASC_DEF_MAX_DVC_QNG 0x3F /* Max. number commands per device (63) */ +#define ASC_DEF_MIN_DVC_QNG 0x04 /* Min. number commands per device (4) */ + +#define ASC_QC_DATA_CHECK 0x01 /* Require ASC_QC_DATA_OUT set or clear. */ +#define ASC_QC_DATA_OUT 0x02 /* Data out DMA transfer. */ +#define ASC_QC_START_MOTOR 0x04 /* Send auto-start motor before request. */ +#define ASC_QC_NO_OVERRUN 0x08 /* Don't report overrun. */ +#define ASC_QC_FREEZE_TIDQ 0x10 /* Freeze TID queue after request. XXX TBD */ + +#define ASC_QSC_NO_DISC 0x01 /* Don't allow disconnect for request. */ +#define ASC_QSC_NO_TAGMSG 0x02 /* Don't allow tag queuing for request. */ +#define ASC_QSC_NO_SYNC 0x04 /* Don't use Synch. transfer on request. */ +#define ASC_QSC_NO_WIDE 0x08 /* Don't use Wide transfer on request. */ +#define ASC_QSC_REDO_DTR 0x10 /* Renegotiate WDTR/SDTR before request. */ /* * Note: If a Tag Message is to be sent and neither ASC_QSC_HEAD_TAG or * ASC_QSC_ORDERED_TAG is set, then a Simple Tag Message (0x20) is used. */ -#define ASC_QSC_HEAD_TAG 0x40 /* Use Head Tag Message (0x21). */ -#define ASC_QSC_ORDERED_TAG 0x80 /* Use Ordered Tag Message (0x22). */ +#define ASC_QSC_HEAD_TAG 0x40 /* Use Head Tag Message (0x21). */ +#define ASC_QSC_ORDERED_TAG 0x80 /* Use Ordered Tag Message (0x22). */ /* * All fields here are accessed by the board microcode and need to be * little-endian. */ -typedef struct adv_carr_t -{ - ADV_VADDR carr_va; /* Carrier Virtual Address */ - ADV_PADDR carr_pa; /* Carrier Physical Address */ - ADV_VADDR areq_vpa; /* ASC_SCSI_REQ_Q Virtual or Physical Address */ - /* - * next_vpa [31:4] Carrier Virtual or Physical Next Pointer - * - * next_vpa [3:1] Reserved Bits - * next_vpa [0] Done Flag set in Response Queue. - */ - ADV_VADDR next_vpa; +typedef struct adv_carr_t { + ADV_VADDR carr_va; /* Carrier Virtual Address */ + ADV_PADDR carr_pa; /* Carrier Physical Address */ + ADV_VADDR areq_vpa; /* ASC_SCSI_REQ_Q Virtual or Physical Address */ + /* + * next_vpa [31:4] Carrier Virtual or Physical Next Pointer + * + * next_vpa [3:1] Reserved Bits + * next_vpa [0] Done Flag set in Response Queue. + */ + ADV_VADDR next_vpa; } ADV_CARR_T; /* @@ -2929,8 +1771,7 @@ typedef struct adv_carr_t #define ASC_GET_CARRP(carrp) ((carrp) & ASC_NEXT_VPA_MASK) #define ADV_CARRIER_NUM_PAGE_CROSSING \ - (((ADV_CARRIER_COUNT * sizeof(ADV_CARR_T)) + \ - (ADV_PAGE_SIZE - 1))/ADV_PAGE_SIZE) + (((ADV_CARRIER_COUNT * sizeof(ADV_CARR_T)) + (PAGE_SIZE - 1))/PAGE_SIZE) #define ADV_CARRIER_BUFSIZE \ ((ADV_CARRIER_COUNT + ADV_CARRIER_NUM_PAGE_CROSSING) * sizeof(ADV_CARR_T)) @@ -2941,13 +1782,13 @@ typedef struct adv_carr_t * The Adv Library should limit use to the lower nibble (4 bits) of * a_flag. Drivers are free to use the upper nibble (4 bits) of a_flag. */ -#define ADV_POLL_REQUEST 0x01 /* poll for request completion */ -#define ADV_SCSIQ_DONE 0x02 /* request done */ -#define ADV_DONT_RETRY 0x08 /* don't do retry */ +#define ADV_POLL_REQUEST 0x01 /* poll for request completion */ +#define ADV_SCSIQ_DONE 0x02 /* request done */ +#define ADV_DONT_RETRY 0x08 /* don't do retry */ -#define ADV_CHIP_ASC3550 0x01 /* Ultra-Wide IC */ -#define ADV_CHIP_ASC38C0800 0x02 /* Ultra2-Wide/LVD IC */ -#define ADV_CHIP_ASC38C1600 0x03 /* Ultra3-Wide/LVD2 IC */ +#define ADV_CHIP_ASC3550 0x01 /* Ultra-Wide IC */ +#define ADV_CHIP_ASC38C0800 0x02 /* Ultra2-Wide/LVD IC */ +#define ADV_CHIP_ASC38C1600 0x03 /* Ultra3-Wide/LVD2 IC */ /* * Adapter temporary configuration structure @@ -2961,93 +1802,30 @@ typedef struct adv_carr_t * value of the field is never reset. */ typedef struct adv_dvc_cfg { - ushort disc_enable; /* enable disconnection */ - uchar chip_version; /* chip version */ - uchar termination; /* Term. Ctrl. bits 6-5 of SCSI_CFG1 register */ - ushort lib_version; /* Adv Library version number */ - ushort control_flag; /* Microcode Control Flag */ - ushort mcode_date; /* Microcode date */ - ushort mcode_version; /* Microcode version */ - ushort pci_slot_info; /* high byte device/function number */ - /* bits 7-3 device num., bits 2-0 function num. */ - /* low byte bus num. */ - ushort serial1; /* EEPROM serial number word 1 */ - ushort serial2; /* EEPROM serial number word 2 */ - ushort serial3; /* EEPROM serial number word 3 */ - struct device *dev; /* pointer to the pci dev structure for this board */ + ushort disc_enable; /* enable disconnection */ + uchar chip_version; /* chip version */ + uchar termination; /* Term. Ctrl. bits 6-5 of SCSI_CFG1 register */ + ushort control_flag; /* Microcode Control Flag */ + ushort mcode_date; /* Microcode date */ + ushort mcode_version; /* Microcode version */ + ushort serial1; /* EEPROM serial number word 1 */ + ushort serial2; /* EEPROM serial number word 2 */ + ushort serial3; /* EEPROM serial number word 3 */ } ADV_DVC_CFG; struct adv_dvc_var; struct adv_scsi_req_q; -typedef void (* ADV_ISR_CALLBACK) - (struct adv_dvc_var *, struct adv_scsi_req_q *); - -typedef void (* ADV_ASYNC_CALLBACK) - (struct adv_dvc_var *, uchar); - -/* - * Adapter operation variable structure. - * - * One structure is required per host adapter. - * - * Field naming convention: - * - * *_able indicates both whether a feature should be enabled or disabled - * and whether a device isi capable of the feature. At initialization - * this field may be set, but later if a device is found to be incapable - * of the feature, the field is cleared. - */ -typedef struct adv_dvc_var { - AdvPortAddr iop_base; /* I/O port address */ - ushort err_code; /* fatal error code */ - ushort bios_ctrl; /* BIOS control word, EEPROM word 12 */ - ADV_ISR_CALLBACK isr_callback; - ADV_ASYNC_CALLBACK async_callback; - ushort wdtr_able; /* try WDTR for a device */ - ushort sdtr_able; /* try SDTR for a device */ - ushort ultra_able; /* try SDTR Ultra speed for a device */ - ushort sdtr_speed1; /* EEPROM SDTR Speed for TID 0-3 */ - ushort sdtr_speed2; /* EEPROM SDTR Speed for TID 4-7 */ - ushort sdtr_speed3; /* EEPROM SDTR Speed for TID 8-11 */ - ushort sdtr_speed4; /* EEPROM SDTR Speed for TID 12-15 */ - ushort tagqng_able; /* try tagged queuing with a device */ - ushort ppr_able; /* PPR message capable per TID bitmask. */ - uchar max_dvc_qng; /* maximum number of tagged commands per device */ - ushort start_motor; /* start motor command allowed */ - uchar scsi_reset_wait; /* delay in seconds after scsi bus reset */ - uchar chip_no; /* should be assigned by caller */ - uchar max_host_qng; /* maximum number of Q'ed command allowed */ - uchar irq_no; /* IRQ number */ - ushort no_scam; /* scam_tolerant of EEPROM */ - struct asc_board *drv_ptr; /* driver pointer to private structure */ - uchar chip_scsi_id; /* chip SCSI target ID */ - uchar chip_type; - uchar bist_err_code; - ADV_CARR_T *carrier_buf; - ADV_CARR_T *carr_freelist; /* Carrier free list. */ - ADV_CARR_T *icq_sp; /* Initiator command queue stopper pointer. */ - ADV_CARR_T *irq_sp; /* Initiator response queue stopper pointer. */ - ushort carr_pending_cnt; /* Count of pending carriers. */ - /* - * Note: The following fields will not be used after initialization. The - * driver may discard the buffer after initialization is done. - */ - ADV_DVC_CFG *cfg; /* temporary configuration structure */ -} ADV_DVC_VAR; - -#define NO_OF_SG_PER_BLOCK 15 - typedef struct asc_sg_block { - uchar reserved1; - uchar reserved2; - uchar reserved3; - uchar sg_cnt; /* Valid entries in block. */ - ADV_PADDR sg_ptr; /* Pointer to next sg block. */ - struct { - ADV_PADDR sg_addr; /* SG element address. */ - ADV_DCNT sg_count; /* SG element count. */ - } sg_list[NO_OF_SG_PER_BLOCK]; + uchar reserved1; + uchar reserved2; + uchar reserved3; + uchar sg_cnt; /* Valid entries in block. */ + ADV_PADDR sg_ptr; /* Pointer to next sg block. */ + struct { + ADV_PADDR sg_addr; /* SG element address. */ + ADV_DCNT sg_count; /* SG element count. */ + } sg_list[NO_OF_SG_PER_BLOCK]; } ADV_SG_BLOCK; /* @@ -3062,40 +1840,117 @@ typedef struct asc_sg_block { * order. */ typedef struct adv_scsi_req_q { - uchar cntl; /* Ucode flags and state (ASC_MC_QC_*). */ - uchar target_cmd; - uchar target_id; /* Device target identifier. */ - uchar target_lun; /* Device target logical unit number. */ - ADV_PADDR data_addr; /* Data buffer physical address. */ - ADV_DCNT data_cnt; /* Data count. Ucode sets to residual. */ - ADV_PADDR sense_addr; - ADV_PADDR carr_pa; - uchar mflag; - uchar sense_len; - uchar cdb_len; /* SCSI CDB length. Must <= 16 bytes. */ - uchar scsi_cntl; - uchar done_status; /* Completion status. */ - uchar scsi_status; /* SCSI status byte. */ - uchar host_status; /* Ucode host status. */ - uchar sg_working_ix; - uchar cdb[12]; /* SCSI CDB bytes 0-11. */ - ADV_PADDR sg_real_addr; /* SG list physical address. */ - ADV_PADDR scsiq_rptr; - uchar cdb16[4]; /* SCSI CDB bytes 12-15. */ - ADV_VADDR scsiq_ptr; - ADV_VADDR carr_va; - /* - * End of microcode structure - 60 bytes. The rest of the structure - * is used by the Adv Library and ignored by the microcode. - */ - ADV_VADDR srb_ptr; - ADV_SG_BLOCK *sg_list_ptr; /* SG list virtual address. */ - char *vdata_addr; /* Data buffer virtual address. */ - uchar a_flag; - uchar pad[2]; /* Pad out to a word boundary. */ + uchar cntl; /* Ucode flags and state (ASC_MC_QC_*). */ + uchar target_cmd; + uchar target_id; /* Device target identifier. */ + uchar target_lun; /* Device target logical unit number. */ + ADV_PADDR data_addr; /* Data buffer physical address. */ + ADV_DCNT data_cnt; /* Data count. Ucode sets to residual. */ + ADV_PADDR sense_addr; + ADV_PADDR carr_pa; + uchar mflag; + uchar sense_len; + uchar cdb_len; /* SCSI CDB length. Must <= 16 bytes. */ + uchar scsi_cntl; + uchar done_status; /* Completion status. */ + uchar scsi_status; /* SCSI status byte. */ + uchar host_status; /* Ucode host status. */ + uchar sg_working_ix; + uchar cdb[12]; /* SCSI CDB bytes 0-11. */ + ADV_PADDR sg_real_addr; /* SG list physical address. */ + ADV_PADDR scsiq_rptr; + uchar cdb16[4]; /* SCSI CDB bytes 12-15. */ + ADV_VADDR scsiq_ptr; + ADV_VADDR carr_va; + /* + * End of microcode structure - 60 bytes. The rest of the structure + * is used by the Adv Library and ignored by the microcode. + */ + ADV_VADDR srb_ptr; + ADV_SG_BLOCK *sg_list_ptr; /* SG list virtual address. */ + char *vdata_addr; /* Data buffer virtual address. */ + uchar a_flag; + uchar pad[2]; /* Pad out to a word boundary. */ } ADV_SCSI_REQ_Q; /* + * The following two structures are used to process Wide Board requests. + * + * The ADV_SCSI_REQ_Q structure in adv_req_t is passed to the Adv Library + * and microcode with the ADV_SCSI_REQ_Q field 'srb_ptr' pointing to the + * adv_req_t. The adv_req_t structure 'cmndp' field in turn points to the + * Mid-Level SCSI request structure. + * + * Zero or more ADV_SG_BLOCK are used with each ADV_SCSI_REQ_Q. Each + * ADV_SG_BLOCK structure holds 15 scatter-gather elements. Under Linux + * up to 255 scatter-gather elements may be used per request or + * ADV_SCSI_REQ_Q. + * + * Both structures must be 32 byte aligned. + */ +typedef struct adv_sgblk { + ADV_SG_BLOCK sg_block; /* Sgblock structure. */ + uchar align[32]; /* Sgblock structure padding. */ + struct adv_sgblk *next_sgblkp; /* Next scatter-gather structure. */ +} adv_sgblk_t; + +typedef struct adv_req { + ADV_SCSI_REQ_Q scsi_req_q; /* Adv Library request structure. */ + uchar align[32]; /* Request structure padding. */ + struct scsi_cmnd *cmndp; /* Mid-Level SCSI command pointer. */ + adv_sgblk_t *sgblkp; /* Adv Library scatter-gather pointer. */ + struct adv_req *next_reqp; /* Next Request Structure. */ +} adv_req_t; + +/* + * Adapter operation variable structure. + * + * One structure is required per host adapter. + * + * Field naming convention: + * + * *_able indicates both whether a feature should be enabled or disabled + * and whether a device isi capable of the feature. At initialization + * this field may be set, but later if a device is found to be incapable + * of the feature, the field is cleared. + */ +typedef struct adv_dvc_var { + AdvPortAddr iop_base; /* I/O port address */ + ushort err_code; /* fatal error code */ + ushort bios_ctrl; /* BIOS control word, EEPROM word 12 */ + ushort wdtr_able; /* try WDTR for a device */ + ushort sdtr_able; /* try SDTR for a device */ + ushort ultra_able; /* try SDTR Ultra speed for a device */ + ushort sdtr_speed1; /* EEPROM SDTR Speed for TID 0-3 */ + ushort sdtr_speed2; /* EEPROM SDTR Speed for TID 4-7 */ + ushort sdtr_speed3; /* EEPROM SDTR Speed for TID 8-11 */ + ushort sdtr_speed4; /* EEPROM SDTR Speed for TID 12-15 */ + ushort tagqng_able; /* try tagged queuing with a device */ + ushort ppr_able; /* PPR message capable per TID bitmask. */ + uchar max_dvc_qng; /* maximum number of tagged commands per device */ + ushort start_motor; /* start motor command allowed */ + uchar scsi_reset_wait; /* delay in seconds after scsi bus reset */ + uchar chip_no; /* should be assigned by caller */ + uchar max_host_qng; /* maximum number of Q'ed command allowed */ + ushort no_scam; /* scam_tolerant of EEPROM */ + struct asc_board *drv_ptr; /* driver pointer to private structure */ + uchar chip_scsi_id; /* chip SCSI target ID */ + uchar chip_type; + uchar bist_err_code; + ADV_CARR_T *carrier_buf; + ADV_CARR_T *carr_freelist; /* Carrier free list. */ + ADV_CARR_T *icq_sp; /* Initiator command queue stopper pointer. */ + ADV_CARR_T *irq_sp; /* Initiator response queue stopper pointer. */ + ushort carr_pending_cnt; /* Count of pending carriers. */ + struct adv_req *orig_reqp; /* adv_req_t memory block. */ + /* + * Note: The following fields will not be used after initialization. The + * driver may discard the buffer after initialization is done. + */ + ADV_DVC_CFG *cfg; /* temporary configuration structure */ +} ADV_DVC_VAR; + +/* * Microcode idle loop commands */ #define IDLE_CMD_COMPLETED 0 @@ -3104,8 +1959,8 @@ typedef struct adv_scsi_req_q { #define IDLE_CMD_SEND_INT 0x0004 #define IDLE_CMD_ABORT 0x0008 #define IDLE_CMD_DEVICE_RESET 0x0010 -#define IDLE_CMD_SCSI_RESET_START 0x0020 /* Assert SCSI Bus Reset */ -#define IDLE_CMD_SCSI_RESET_END 0x0040 /* Deassert SCSI Bus Reset */ +#define IDLE_CMD_SCSI_RESET_START 0x0020 /* Assert SCSI Bus Reset */ +#define IDLE_CMD_SCSI_RESET_END 0x0040 /* Deassert SCSI Bus Reset */ #define IDLE_CMD_SCSIREQ 0x0080 #define IDLE_CMD_STATUS_SUCCESS 0x0001 @@ -3119,66 +1974,16 @@ typedef struct adv_scsi_req_q { /* * Wait loop time out values. */ -#define SCSI_WAIT_10_SEC 10UL /* 10 seconds */ -#define SCSI_WAIT_100_MSEC 100UL /* 100 milliseconds */ -#define SCSI_US_PER_MSEC 1000 /* microseconds per millisecond */ -#define SCSI_MS_PER_SEC 1000UL /* milliseconds per second */ -#define SCSI_MAX_RETRY 10 /* retry count */ - -#define ADV_ASYNC_RDMA_FAILURE 0x01 /* Fatal RDMA failure. */ -#define ADV_ASYNC_SCSI_BUS_RESET_DET 0x02 /* Detected SCSI Bus Reset. */ -#define ADV_ASYNC_CARRIER_READY_FAILURE 0x03 /* Carrier Ready failure. */ -#define ADV_RDMA_IN_CARR_AND_Q_INVALID 0x04 /* RDMAed-in data invalid. */ - - -#define ADV_HOST_SCSI_BUS_RESET 0x80 /* Host Initiated SCSI Bus Reset. */ - -/* - * Device drivers must define the following functions. - */ -STATIC inline ulong DvcEnterCritical(void); -STATIC inline void DvcLeaveCritical(ulong); -STATIC void DvcSleepMilliSecond(ADV_DCNT); -STATIC uchar DvcAdvReadPCIConfigByte(ADV_DVC_VAR *, ushort); -STATIC void DvcAdvWritePCIConfigByte(ADV_DVC_VAR *, ushort, uchar); -STATIC ADV_PADDR DvcGetPhyAddr(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *, - uchar *, ASC_SDCNT *, int); -STATIC void DvcDelayMicroSecond(ADV_DVC_VAR *, ushort); - -/* - * Adv Library functions available to drivers. - */ -STATIC int AdvExeScsiQueue(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *); -STATIC int AdvISR(ADV_DVC_VAR *); -STATIC int AdvInitGetConfig(ADV_DVC_VAR *); -STATIC int AdvInitAsc3550Driver(ADV_DVC_VAR *); -STATIC int AdvInitAsc38C0800Driver(ADV_DVC_VAR *); -STATIC int AdvInitAsc38C1600Driver(ADV_DVC_VAR *); -STATIC int AdvResetChipAndSB(ADV_DVC_VAR *); -STATIC int AdvResetSB(ADV_DVC_VAR *asc_dvc); +#define SCSI_WAIT_100_MSEC 100UL /* 100 milliseconds */ +#define SCSI_US_PER_MSEC 1000 /* microseconds per millisecond */ +#define SCSI_MAX_RETRY 10 /* retry count */ -/* - * Internal Adv Library functions. - */ -STATIC int AdvSendIdleCmd(ADV_DVC_VAR *, ushort, ADV_DCNT); -STATIC void AdvInquiryHandling(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *); -STATIC int AdvInitFrom3550EEP(ADV_DVC_VAR *); -STATIC int AdvInitFrom38C0800EEP(ADV_DVC_VAR *); -STATIC int AdvInitFrom38C1600EEP(ADV_DVC_VAR *); -STATIC ushort AdvGet3550EEPConfig(AdvPortAddr, ADVEEP_3550_CONFIG *); -STATIC void AdvSet3550EEPConfig(AdvPortAddr, ADVEEP_3550_CONFIG *); -STATIC ushort AdvGet38C0800EEPConfig(AdvPortAddr, ADVEEP_38C0800_CONFIG *); -STATIC void AdvSet38C0800EEPConfig(AdvPortAddr, ADVEEP_38C0800_CONFIG *); -STATIC ushort AdvGet38C1600EEPConfig(AdvPortAddr, ADVEEP_38C1600_CONFIG *); -STATIC void AdvSet38C1600EEPConfig(AdvPortAddr, ADVEEP_38C1600_CONFIG *); -STATIC void AdvWaitEEPCmd(AdvPortAddr); -STATIC ushort AdvReadEEPWord(AdvPortAddr, int); +#define ADV_ASYNC_RDMA_FAILURE 0x01 /* Fatal RDMA failure. */ +#define ADV_ASYNC_SCSI_BUS_RESET_DET 0x02 /* Detected SCSI Bus Reset. */ +#define ADV_ASYNC_CARRIER_READY_FAILURE 0x03 /* Carrier Ready failure. */ +#define ADV_RDMA_IN_CARR_AND_Q_INVALID 0x04 /* RDMAed-in data invalid. */ -/* - * PCI Bus Definitions - */ -#define AscPCICmdRegBits_BusMastering 0x0007 -#define AscPCICmdRegBits_ParErrRespCtrl 0x0040 +#define ADV_HOST_SCSI_BUS_RESET 0x80 /* Host Initiated SCSI Bus Reset. */ /* Read byte from a register. */ #define AdvReadByteRegister(iop_base, reg_off) \ @@ -3242,7 +2047,6 @@ do { \ #define AdvWriteWordAutoIncLram(iop_base, word) \ (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word))) - /* * Define macro to check for Condor signature. * @@ -3314,7 +2118,7 @@ do { \ * ASC_SCSI_REQ_Q 'done_status' and 'host_status' return values. */ -#define QD_NO_STATUS 0x00 /* Request not completed yet. */ +#define QD_NO_STATUS 0x00 /* Request not completed yet. */ #define QD_NO_ERROR 0x01 #define QD_ABORTED_BY_HOST 0x02 #define QD_WITH_ERROR 0x04 @@ -3324,47 +2128,29 @@ do { \ #define QHSTA_M_DATA_OVER_RUN 0x12 #define QHSTA_M_UNEXPECTED_BUS_FREE 0x13 #define QHSTA_M_QUEUE_ABORTED 0x15 -#define QHSTA_M_SXFR_SDMA_ERR 0x16 /* SXFR_STATUS SCSI DMA Error */ -#define QHSTA_M_SXFR_SXFR_PERR 0x17 /* SXFR_STATUS SCSI Bus Parity Error */ -#define QHSTA_M_RDMA_PERR 0x18 /* RISC PCI DMA parity error */ -#define QHSTA_M_SXFR_OFF_UFLW 0x19 /* SXFR_STATUS Offset Underflow */ -#define QHSTA_M_SXFR_OFF_OFLW 0x20 /* SXFR_STATUS Offset Overflow */ -#define QHSTA_M_SXFR_WD_TMO 0x21 /* SXFR_STATUS Watchdog Timeout */ -#define QHSTA_M_SXFR_DESELECTED 0x22 /* SXFR_STATUS Deselected */ +#define QHSTA_M_SXFR_SDMA_ERR 0x16 /* SXFR_STATUS SCSI DMA Error */ +#define QHSTA_M_SXFR_SXFR_PERR 0x17 /* SXFR_STATUS SCSI Bus Parity Error */ +#define QHSTA_M_RDMA_PERR 0x18 /* RISC PCI DMA parity error */ +#define QHSTA_M_SXFR_OFF_UFLW 0x19 /* SXFR_STATUS Offset Underflow */ +#define QHSTA_M_SXFR_OFF_OFLW 0x20 /* SXFR_STATUS Offset Overflow */ +#define QHSTA_M_SXFR_WD_TMO 0x21 /* SXFR_STATUS Watchdog Timeout */ +#define QHSTA_M_SXFR_DESELECTED 0x22 /* SXFR_STATUS Deselected */ /* Note: QHSTA_M_SXFR_XFR_OFLW is identical to QHSTA_M_DATA_OVER_RUN. */ -#define QHSTA_M_SXFR_XFR_OFLW 0x12 /* SXFR_STATUS Transfer Overflow */ -#define QHSTA_M_SXFR_XFR_PH_ERR 0x24 /* SXFR_STATUS Transfer Phase Error */ -#define QHSTA_M_SXFR_UNKNOWN_ERROR 0x25 /* SXFR_STATUS Unknown Error */ -#define QHSTA_M_SCSI_BUS_RESET 0x30 /* Request aborted from SBR */ -#define QHSTA_M_SCSI_BUS_RESET_UNSOL 0x31 /* Request aborted from unsol. SBR */ -#define QHSTA_M_BUS_DEVICE_RESET 0x32 /* Request aborted from BDR */ -#define QHSTA_M_DIRECTION_ERR 0x35 /* Data Phase mismatch */ -#define QHSTA_M_DIRECTION_ERR_HUNG 0x36 /* Data Phase mismatch and bus hang */ +#define QHSTA_M_SXFR_XFR_OFLW 0x12 /* SXFR_STATUS Transfer Overflow */ +#define QHSTA_M_SXFR_XFR_PH_ERR 0x24 /* SXFR_STATUS Transfer Phase Error */ +#define QHSTA_M_SXFR_UNKNOWN_ERROR 0x25 /* SXFR_STATUS Unknown Error */ +#define QHSTA_M_SCSI_BUS_RESET 0x30 /* Request aborted from SBR */ +#define QHSTA_M_SCSI_BUS_RESET_UNSOL 0x31 /* Request aborted from unsol. SBR */ +#define QHSTA_M_BUS_DEVICE_RESET 0x32 /* Request aborted from BDR */ +#define QHSTA_M_DIRECTION_ERR 0x35 /* Data Phase mismatch */ +#define QHSTA_M_DIRECTION_ERR_HUNG 0x36 /* Data Phase mismatch and bus hang */ #define QHSTA_M_WTM_TIMEOUT 0x41 #define QHSTA_M_BAD_CMPL_STATUS_IN 0x42 #define QHSTA_M_NO_AUTO_REQ_SENSE 0x43 #define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44 -#define QHSTA_M_INVALID_DEVICE 0x45 /* Bad target ID */ -#define QHSTA_M_FROZEN_TIDQ 0x46 /* TID Queue frozen. */ -#define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error */ - - -/* - * Default EEPROM Configuration structure defined in a_init.c. - */ -static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config; -static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config; -static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config; - -/* - * DvcGetPhyAddr() flag arguments - */ -#define ADV_IS_SCSIQ_FLAG 0x01 /* 'addr' is ASC_SCSI_REQ_Q pointer */ -#define ADV_ASCGETSGLIST_VADDR 0x02 /* 'addr' is AscGetSGList() virtual addr */ -#define ADV_IS_SENSE_FLAG 0x04 /* 'addr' is sense virtual pointer */ -#define ADV_IS_DATA_FLAG 0x08 /* 'addr' is data virtual pointer */ -#define ADV_IS_SGLIST_FLAG 0x10 /* 'addr' is sglist virtual pointer */ -#define ADV_IS_CARRIER_FLAG 0x20 /* 'addr' is ADV_CARR_T pointer */ +#define QHSTA_M_INVALID_DEVICE 0x45 /* Bad target ID */ +#define QHSTA_M_FROZEN_TIDQ 0x46 /* TID Queue frozen. */ +#define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error */ /* Return the address that is aligned at the next doubleword >= to 'addr'. */ #define ADV_8BALIGN(addr) (((ulong) (addr) + 0x7) & ~0x7) @@ -3383,97 +2169,14 @@ static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config; (sizeof(ADV_SG_BLOCK) * \ ((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK)) -/* - * Inquiry data structure and bitfield macros - * - * Using bitfields to access the subchar data isn't portable across - * endianness, so instead mask and shift. Only quantities of more - * than 1 bit are shifted, since the others are just tested for true - * or false. - */ - -#define ADV_INQ_DVC_TYPE(inq) ((inq)->periph & 0x1f) -#define ADV_INQ_QUALIFIER(inq) (((inq)->periph & 0xe0) >> 5) -#define ADV_INQ_DVC_TYPE_MOD(inq) ((inq)->devtype & 0x7f) -#define ADV_INQ_REMOVABLE(inq) ((inq)->devtype & 0x80) -#define ADV_INQ_ANSI_VER(inq) ((inq)->ver & 0x07) -#define ADV_INQ_ECMA_VER(inq) (((inq)->ver & 0x38) >> 3) -#define ADV_INQ_ISO_VER(inq) (((inq)->ver & 0xc0) >> 6) -#define ADV_INQ_RESPONSE_FMT(inq) ((inq)->byte3 & 0x0f) -#define ADV_INQ_TERM_IO(inq) ((inq)->byte3 & 0x40) -#define ADV_INQ_ASYNC_NOTIF(inq) ((inq)->byte3 & 0x80) -#define ADV_INQ_SOFT_RESET(inq) ((inq)->flags & 0x01) -#define ADV_INQ_CMD_QUEUE(inq) ((inq)->flags & 0x02) -#define ADV_INQ_LINK_CMD(inq) ((inq)->flags & 0x08) -#define ADV_INQ_SYNC(inq) ((inq)->flags & 0x10) -#define ADV_INQ_WIDE16(inq) ((inq)->flags & 0x20) -#define ADV_INQ_WIDE32(inq) ((inq)->flags & 0x40) -#define ADV_INQ_REL_ADDR(inq) ((inq)->flags & 0x80) -#define ADV_INQ_INFO_UNIT(inq) ((inq)->info & 0x01) -#define ADV_INQ_QUICK_ARB(inq) ((inq)->info & 0x02) -#define ADV_INQ_CLOCKING(inq) (((inq)->info & 0x0c) >> 2) - -typedef struct { - uchar periph; /* peripheral device type [0:4] */ - /* peripheral qualifier [5:7] */ - uchar devtype; /* device type modifier (for SCSI I) [0:6] */ - /* RMB - removable medium bit [7] */ - uchar ver; /* ANSI approved version [0:2] */ - /* ECMA version [3:5] */ - /* ISO version [6:7] */ - uchar byte3; /* response data format [0:3] */ - /* 0 SCSI 1 */ - /* 1 CCS */ - /* 2 SCSI-2 */ - /* 3-F reserved */ - /* reserved [4:5] */ - /* terminate I/O process bit (see 5.6.22) [6] */ - /* asynch. event notification (processor) [7] */ - uchar add_len; /* additional length */ - uchar res1; /* reserved */ - uchar res2; /* reserved */ - uchar flags; /* soft reset implemented [0] */ - /* command queuing [1] */ - /* reserved [2] */ - /* linked command for this logical unit [3] */ - /* synchronous data transfer [4] */ - /* wide bus 16 bit data transfer [5] */ - /* wide bus 32 bit data transfer [6] */ - /* relative addressing mode [7] */ - uchar vendor_id[8]; /* vendor identification */ - uchar product_id[16]; /* product identification */ - uchar product_rev_level[4]; /* product revision level */ - uchar vendor_specific[20]; /* vendor specific */ - uchar info; /* information unit supported [0] */ - /* quick arbitrate supported [1] */ - /* clocking field [2:3] */ - /* reserved [4:7] */ - uchar res3; /* reserved */ -} ADV_SCSI_INQUIRY; /* 58 bytes */ - - -/* - * --- Driver Constants and Macros - */ - -#define ASC_NUM_BOARD_SUPPORTED 16 -#define ASC_NUM_IOPORT_PROBE 4 -#define ASC_NUM_BUS 4 - -/* Reference Scsi_Host hostdata */ -#define ASC_BOARDP(host) ((asc_board_t *) &((host)->hostdata)) - -/* asc_board_t flags */ -#define ASC_HOST_IN_RESET 0x01 -#define ASC_IS_WIDE_BOARD 0x04 /* AdvanSys Wide Board */ -#define ASC_SELECT_QUEUE_DEPTHS 0x08 +/* struct asc_board flags */ +#define ASC_IS_WIDE_BOARD 0x04 /* AdvanSys Wide Board */ #define ASC_NARROW_BOARD(boardp) (((boardp)->flags & ASC_IS_WIDE_BOARD) == 0) -#define ASC_WIDE_BOARD(boardp) ((boardp)->flags & ASC_IS_WIDE_BOARD) -#define NO_ISA_DMA 0xff /* No ISA DMA Channel Used */ +#define NO_ISA_DMA 0xff /* No ISA DMA Channel Used */ -#define ASC_INFO_SIZE 128 /* advansys_info() line size */ +#define ASC_INFO_SIZE 128 /* advansys_info() line size */ #ifdef CONFIG_PROC_FS /* /proc/scsi/advansys/[0...] related definitions */ @@ -3504,82 +2207,14 @@ typedef struct { #define HOST_BYTE(byte) ((byte) << 16) #define DRIVER_BYTE(byte) ((byte) << 24) -/* - * The following definitions and macros are OS independent interfaces to - * the queue functions: - * REQ - SCSI request structure - * REQP - pointer to SCSI request structure - * REQPTID(reqp) - reqp's target id - * REQPNEXT(reqp) - reqp's next pointer - * REQPNEXTP(reqp) - pointer to reqp's next pointer - * REQPTIME(reqp) - reqp's time stamp value - * REQTIMESTAMP() - system time stamp value - */ -typedef struct scsi_cmnd REQ, *REQP; -#define REQPNEXT(reqp) ((REQP) ((reqp)->host_scribble)) -#define REQPNEXTP(reqp) ((REQP *) &((reqp)->host_scribble)) -#define REQPTID(reqp) ((reqp)->device->id) -#define REQPTIME(reqp) ((reqp)->SCp.this_residual) -#define REQTIMESTAMP() (jiffies) - -#define REQTIMESTAT(function, ascq, reqp, tid) \ -{ \ - /* - * If the request time stamp is less than the system time stamp, then \ - * maybe the system time stamp wrapped. Set the request time to zero.\ - */ \ - if (REQPTIME(reqp) <= REQTIMESTAMP()) { \ - REQPTIME(reqp) = REQTIMESTAMP() - REQPTIME(reqp); \ - } else { \ - /* Indicate an error occurred with the assertion. */ \ - ASC_ASSERT(REQPTIME(reqp) <= REQTIMESTAMP()); \ - REQPTIME(reqp) = 0; \ - } \ - /* Handle first minimum time case without external initialization. */ \ - if (((ascq)->q_tot_cnt[tid] == 1) || \ - (REQPTIME(reqp) < (ascq)->q_min_tim[tid])) { \ - (ascq)->q_min_tim[tid] = REQPTIME(reqp); \ - ASC_DBG3(1, "%s: new q_min_tim[%d] %u\n", \ - (function), (tid), (ascq)->q_min_tim[tid]); \ - } \ - if (REQPTIME(reqp) > (ascq)->q_max_tim[tid]) { \ - (ascq)->q_max_tim[tid] = REQPTIME(reqp); \ - ASC_DBG3(1, "%s: new q_max_tim[%d] %u\n", \ - (function), tid, (ascq)->q_max_tim[tid]); \ - } \ - (ascq)->q_tot_tim[tid] += REQPTIME(reqp); \ - /* Reset the time stamp field. */ \ - REQPTIME(reqp) = 0; \ -} - -/* asc_enqueue() flags */ -#define ASC_FRONT 1 -#define ASC_BACK 2 - -/* asc_dequeue_list() argument */ -#define ASC_TID_ALL (-1) - -/* Return non-zero, if the queue is empty. */ -#define ASC_QUEUE_EMPTY(ascq) ((ascq)->q_tidmask == 0) - -#define PCI_MAX_SLOT 0x1F -#define PCI_MAX_BUS 0xFF -#define PCI_IOADDRESS_MASK 0xFFFE -#define ASC_PCI_DEVICE_ID_CNT 6 /* PCI Device ID count. */ - +#define ASC_STATS(shost, counter) ASC_STATS_ADD(shost, counter, 1) #ifndef ADVANSYS_STATS -#define ASC_STATS(shp, counter) -#define ASC_STATS_ADD(shp, counter, count) +#define ASC_STATS_ADD(shost, counter, count) #else /* ADVANSYS_STATS */ -#define ASC_STATS(shp, counter) \ - (ASC_BOARDP(shp)->asc_stats.counter++) - -#define ASC_STATS_ADD(shp, counter, count) \ - (ASC_BOARDP(shp)->asc_stats.counter += (count)) +#define ASC_STATS_ADD(shost, counter, count) \ + (((struct asc_board *) shost_priv(shost))->asc_stats.counter += (count)) #endif /* ADVANSYS_STATS */ -#define ASC_CEILING(val, unit) (((val) + ((unit) - 1))/(unit)) - /* If the result wraps when calculating tenths, return 0. */ #define ASC_TENTHS(num, den) \ (((10 * ((num)/(den))) > (((num) * 10)/(den))) ? \ @@ -3618,16 +2253,10 @@ typedef struct scsi_cmnd REQ, *REQP; printk((s), (a1), (a2), (a3), (a4)); \ } - #ifndef ADVANSYS_DEBUG -#define ASC_DBG(lvl, s) -#define ASC_DBG1(lvl, s, a1) -#define ASC_DBG2(lvl, s, a1, a2) -#define ASC_DBG3(lvl, s, a1, a2, a3) -#define ASC_DBG4(lvl, s, a1, a2, a3, a4) +#define ASC_DBG(lvl, s...) #define ASC_DBG_PRT_SCSI_HOST(lvl, s) -#define ASC_DBG_PRT_SCSI_CMND(lvl, s) #define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp) #define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp) #define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone) @@ -3646,40 +2275,11 @@ typedef struct scsi_cmnd REQ, *REQP; * 2-N: Verbose Tracing */ -#define ASC_DBG(lvl, s) \ - { \ - if (asc_dbglvl >= (lvl)) { \ - printk(s); \ - } \ - } - -#define ASC_DBG1(lvl, s, a1) \ - { \ - if (asc_dbglvl >= (lvl)) { \ - printk((s), (a1)); \ - } \ - } - -#define ASC_DBG2(lvl, s, a1, a2) \ - { \ - if (asc_dbglvl >= (lvl)) { \ - printk((s), (a1), (a2)); \ - } \ - } - -#define ASC_DBG3(lvl, s, a1, a2, a3) \ - { \ - if (asc_dbglvl >= (lvl)) { \ - printk((s), (a1), (a2), (a3)); \ - } \ - } - -#define ASC_DBG4(lvl, s, a1, a2, a3, a4) \ - { \ - if (asc_dbglvl >= (lvl)) { \ - printk((s), (a1), (a2), (a3), (a4)); \ - } \ - } +#define ASC_DBG(lvl, format, arg...) { \ + if (asc_dbglvl >= (lvl)) \ + printk(KERN_DEBUG "%s: %s: " format, DRV_NAME, \ + __func__ , ## arg); \ +} #define ASC_DBG_PRT_SCSI_HOST(lvl, s) \ { \ @@ -3688,13 +2288,6 @@ typedef struct scsi_cmnd REQ, *REQP; } \ } -#define ASC_DBG_PRT_SCSI_CMND(lvl, s) \ - { \ - if (asc_dbglvl >= (lvl)) { \ - asc_prt_scsi_cmnd(s); \ - } \ - } - #define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp) \ { \ if (asc_dbglvl >= (lvl)) { \ @@ -3733,1735 +2326,469 @@ typedef struct scsi_cmnd REQ, *REQP; ASC_DBG_PRT_HEX((lvl), "INQUIRY", (uchar *) (inq), (len)); #endif /* ADVANSYS_DEBUG */ -#ifndef ADVANSYS_ASSERT -#define ASC_ASSERT(a) -#else /* ADVANSYS_ASSERT */ - -#define ASC_ASSERT(a) \ - { \ - if (!(a)) { \ - printk("ASC_ASSERT() Failure: file %s, line %d\n", \ - __FILE__, __LINE__); \ - } \ - } - -#endif /* ADVANSYS_ASSERT */ - - -/* - * --- Driver Structures - */ - -#ifdef ADVANSYS_STATS +#ifdef ADVANSYS_STATS /* Per board statistics structure */ struct asc_stats { - /* Driver Entrypoint Statistics */ - ADV_DCNT queuecommand; /* # calls to advansys_queuecommand() */ - ADV_DCNT reset; /* # calls to advansys_eh_bus_reset() */ - ADV_DCNT biosparam; /* # calls to advansys_biosparam() */ - ADV_DCNT interrupt; /* # advansys_interrupt() calls */ - ADV_DCNT callback; /* # calls to asc/adv_isr_callback() */ - ADV_DCNT done; /* # calls to request's scsi_done function */ - ADV_DCNT build_error; /* # asc/adv_build_req() ASC_ERROR returns. */ - ADV_DCNT adv_build_noreq; /* # adv_build_req() adv_req_t alloc. fail. */ - ADV_DCNT adv_build_nosg; /* # adv_build_req() adv_sgblk_t alloc. fail. */ - /* AscExeScsiQueue()/AdvExeScsiQueue() Statistics */ - ADV_DCNT exe_noerror; /* # ASC_NOERROR returns. */ - ADV_DCNT exe_busy; /* # ASC_BUSY returns. */ - ADV_DCNT exe_error; /* # ASC_ERROR returns. */ - ADV_DCNT exe_unknown; /* # unknown returns. */ - /* Data Transfer Statistics */ - ADV_DCNT cont_cnt; /* # non-scatter-gather I/O requests received */ - ADV_DCNT cont_xfer; /* # contiguous transfer 512-bytes */ - ADV_DCNT sg_cnt; /* # scatter-gather I/O requests received */ - ADV_DCNT sg_elem; /* # scatter-gather elements */ - ADV_DCNT sg_xfer; /* # scatter-gather transfer 512-bytes */ + /* Driver Entrypoint Statistics */ + ADV_DCNT queuecommand; /* # calls to advansys_queuecommand() */ + ADV_DCNT reset; /* # calls to advansys_eh_bus_reset() */ + ADV_DCNT biosparam; /* # calls to advansys_biosparam() */ + ADV_DCNT interrupt; /* # advansys_interrupt() calls */ + ADV_DCNT callback; /* # calls to asc/adv_isr_callback() */ + ADV_DCNT done; /* # calls to request's scsi_done function */ + ADV_DCNT build_error; /* # asc/adv_build_req() ASC_ERROR returns. */ + ADV_DCNT adv_build_noreq; /* # adv_build_req() adv_req_t alloc. fail. */ + ADV_DCNT adv_build_nosg; /* # adv_build_req() adv_sgblk_t alloc. fail. */ + /* AscExeScsiQueue()/AdvExeScsiQueue() Statistics */ + ADV_DCNT exe_noerror; /* # ASC_NOERROR returns. */ + ADV_DCNT exe_busy; /* # ASC_BUSY returns. */ + ADV_DCNT exe_error; /* # ASC_ERROR returns. */ + ADV_DCNT exe_unknown; /* # unknown returns. */ + /* Data Transfer Statistics */ + ADV_DCNT xfer_cnt; /* # I/O requests received */ + ADV_DCNT xfer_elem; /* # scatter-gather elements */ + ADV_DCNT xfer_sect; /* # 512-byte blocks */ }; #endif /* ADVANSYS_STATS */ /* - * Request queuing structure - */ -typedef struct asc_queue { - ADV_SCSI_BIT_ID_TYPE q_tidmask; /* queue mask */ - REQP q_first[ADV_MAX_TID+1]; /* first queued request */ - REQP q_last[ADV_MAX_TID+1]; /* last queued request */ -#ifdef ADVANSYS_STATS - short q_cur_cnt[ADV_MAX_TID+1]; /* current queue count */ - short q_max_cnt[ADV_MAX_TID+1]; /* maximum queue count */ - ADV_DCNT q_tot_cnt[ADV_MAX_TID+1]; /* total enqueue count */ - ADV_DCNT q_tot_tim[ADV_MAX_TID+1]; /* total time queued */ - ushort q_max_tim[ADV_MAX_TID+1]; /* maximum time queued */ - ushort q_min_tim[ADV_MAX_TID+1]; /* minimum time queued */ -#endif /* ADVANSYS_STATS */ -} asc_queue_t; - -/* - * Adv Library Request Structures - * - * The following two structures are used to process Wide Board requests. - * - * The ADV_SCSI_REQ_Q structure in adv_req_t is passed to the Adv Library - * and microcode with the ADV_SCSI_REQ_Q field 'srb_ptr' pointing to the - * adv_req_t. The adv_req_t structure 'cmndp' field in turn points to the - * Mid-Level SCSI request structure. - * - * Zero or more ADV_SG_BLOCK are used with each ADV_SCSI_REQ_Q. Each - * ADV_SG_BLOCK structure holds 15 scatter-gather elements. Under Linux - * up to 255 scatter-gather elements may be used per request or - * ADV_SCSI_REQ_Q. - * - * Both structures must be 32 byte aligned. - */ -typedef struct adv_sgblk { - ADV_SG_BLOCK sg_block; /* Sgblock structure. */ - uchar align[32]; /* Sgblock structure padding. */ - struct adv_sgblk *next_sgblkp; /* Next scatter-gather structure. */ -} adv_sgblk_t; - -typedef struct adv_req { - ADV_SCSI_REQ_Q scsi_req_q; /* Adv Library request structure. */ - uchar align[32]; /* Request structure padding. */ - struct scsi_cmnd *cmndp; /* Mid-Level SCSI command pointer. */ - adv_sgblk_t *sgblkp; /* Adv Library scatter-gather pointer. */ - struct adv_req *next_reqp; /* Next Request Structure. */ -} adv_req_t; - -/* * Structure allocated for each board. * - * This structure is allocated by scsi_register() at the end + * This structure is allocated by scsi_host_alloc() at the end * of the 'Scsi_Host' structure starting at the 'hostdata' * field. It is guaranteed to be allocated from DMA-able memory. */ -typedef struct asc_board { - int id; /* Board Id */ - uint flags; /* Board flags */ - union { - ASC_DVC_VAR asc_dvc_var; /* Narrow board */ - ADV_DVC_VAR adv_dvc_var; /* Wide board */ - } dvc_var; - union { - ASC_DVC_CFG asc_dvc_cfg; /* Narrow board */ - ADV_DVC_CFG adv_dvc_cfg; /* Wide board */ - } dvc_cfg; - ushort asc_n_io_port; /* Number I/O ports. */ - asc_queue_t active; /* Active command queue */ - asc_queue_t waiting; /* Waiting command queue */ - asc_queue_t done; /* Done command queue */ - ADV_SCSI_BIT_ID_TYPE init_tidmask; /* Target init./valid mask */ - struct scsi_device *device[ADV_MAX_TID+1]; /* Mid-Level Scsi Device */ - ushort reqcnt[ADV_MAX_TID+1]; /* Starvation request count */ - ADV_SCSI_BIT_ID_TYPE queue_full; /* Queue full mask */ - ushort queue_full_cnt[ADV_MAX_TID+1]; /* Queue full count */ - union { - ASCEEP_CONFIG asc_eep; /* Narrow EEPROM config. */ - ADVEEP_3550_CONFIG adv_3550_eep; /* 3550 EEPROM config. */ - ADVEEP_38C0800_CONFIG adv_38C0800_eep; /* 38C0800 EEPROM config. */ - ADVEEP_38C1600_CONFIG adv_38C1600_eep; /* 38C1600 EEPROM config. */ - } eep_config; - ulong last_reset; /* Saved last reset time */ - spinlock_t lock; /* Board spinlock */ -#ifdef CONFIG_PROC_FS - /* /proc/scsi/advansys/[0...] */ - char *prtbuf; /* /proc print buffer */ -#endif /* CONFIG_PROC_FS */ +struct asc_board { + struct device *dev; + uint flags; /* Board flags */ + unsigned int irq; + union { + ASC_DVC_VAR asc_dvc_var; /* Narrow board */ + ADV_DVC_VAR adv_dvc_var; /* Wide board */ + } dvc_var; + union { + ASC_DVC_CFG asc_dvc_cfg; /* Narrow board */ + ADV_DVC_CFG adv_dvc_cfg; /* Wide board */ + } dvc_cfg; + ushort asc_n_io_port; /* Number I/O ports. */ + ADV_SCSI_BIT_ID_TYPE init_tidmask; /* Target init./valid mask */ + ushort reqcnt[ADV_MAX_TID + 1]; /* Starvation request count */ + ADV_SCSI_BIT_ID_TYPE queue_full; /* Queue full mask */ + ushort queue_full_cnt[ADV_MAX_TID + 1]; /* Queue full count */ + union { + ASCEEP_CONFIG asc_eep; /* Narrow EEPROM config. */ + ADVEEP_3550_CONFIG adv_3550_eep; /* 3550 EEPROM config. */ + ADVEEP_38C0800_CONFIG adv_38C0800_eep; /* 38C0800 EEPROM config. */ + ADVEEP_38C1600_CONFIG adv_38C1600_eep; /* 38C1600 EEPROM config. */ + } eep_config; + ulong last_reset; /* Saved last reset time */ + /* /proc/scsi/advansys/[0...] */ + char *prtbuf; /* /proc print buffer */ #ifdef ADVANSYS_STATS - struct asc_stats asc_stats; /* Board statistics */ -#endif /* ADVANSYS_STATS */ - /* - * The following fields are used only for Narrow Boards. - */ - /* The following three structures must be in DMA-able memory. */ - ASC_SCSI_REQ_Q scsireqq; - ASC_CAP_INFO cap_info; - ASC_SCSI_INQUIRY inquiry; - uchar sdtr_data[ASC_MAX_TID+1]; /* SDTR information */ - /* - * The following fields are used only for Wide Boards. - */ - void __iomem *ioremap_addr; /* I/O Memory remap address. */ - ushort ioport; /* I/O Port address. */ - ADV_CARR_T *orig_carrp; /* ADV_CARR_T memory block. */ - adv_req_t *orig_reqp; /* adv_req_t memory block. */ - adv_req_t *adv_reqp; /* Request structures. */ - adv_sgblk_t *adv_sgblkp; /* Scatter-gather structures. */ - ushort bios_signature; /* BIOS Signature. */ - ushort bios_version; /* BIOS Version. */ - ushort bios_codeseg; /* BIOS Code Segment. */ - ushort bios_codelen; /* BIOS Code Segment Length. */ -} asc_board_t; + struct asc_stats asc_stats; /* Board statistics */ +#endif /* ADVANSYS_STATS */ + /* + * The following fields are used only for Narrow Boards. + */ + uchar sdtr_data[ASC_MAX_TID + 1]; /* SDTR information */ + /* + * The following fields are used only for Wide Boards. + */ + void __iomem *ioremap_addr; /* I/O Memory remap address. */ + ushort ioport; /* I/O Port address. */ + adv_req_t *adv_reqp; /* Request structures. */ + adv_sgblk_t *adv_sgblkp; /* Scatter-gather structures. */ + ushort bios_signature; /* BIOS Signature. */ + ushort bios_version; /* BIOS Version. */ + ushort bios_codeseg; /* BIOS Code Segment. */ + ushort bios_codelen; /* BIOS Code Segment Length. */ +}; + +#define asc_dvc_to_board(asc_dvc) container_of(asc_dvc, struct asc_board, \ + dvc_var.asc_dvc_var) +#define adv_dvc_to_board(adv_dvc) container_of(adv_dvc, struct asc_board, \ + dvc_var.adv_dvc_var) +#define adv_dvc_to_pdev(adv_dvc) to_pci_dev(adv_dvc_to_board(adv_dvc)->dev) + +#ifdef ADVANSYS_DEBUG +static int asc_dbglvl = 3; /* - * PCI configuration structures + * asc_prt_asc_dvc_var() */ -typedef struct _PCI_DATA_ -{ - uchar type; - uchar bus; - uchar slot; - uchar func; - uchar offset; -} PCI_DATA; - -typedef struct _PCI_DEVICE_ -{ - ushort vendorID; - ushort deviceID; - ushort slotNumber; - ushort slotFound; - uchar busNumber; - uchar maxBusNumber; - uchar devFunc; - ushort startSlot; - ushort endSlot; - uchar bridge; - uchar type; -} PCI_DEVICE; - -typedef struct _PCI_CONFIG_SPACE_ +static void asc_prt_asc_dvc_var(ASC_DVC_VAR *h) { - ushort vendorID; - ushort deviceID; - ushort command; - ushort status; - uchar revision; - uchar classCode[3]; - uchar cacheSize; - uchar latencyTimer; - uchar headerType; - uchar bist; - ADV_PADDR baseAddress[6]; - ushort reserved[4]; - ADV_PADDR optionRomAddr; - ushort reserved2[4]; - uchar irqLine; - uchar irqPin; - uchar minGnt; - uchar maxLatency; -} PCI_CONFIG_SPACE; + printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong)h); + printk(" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl " + "%d,\n", h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl); -/* - * --- Driver Data - */ + printk(" bus_type %d, init_sdtr 0x%x,\n", h->bus_type, + (unsigned)h->init_sdtr); -/* Note: All driver global data should be initialized. */ + printk(" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, " + "chip_no 0x%x,\n", (unsigned)h->sdtr_done, + (unsigned)h->use_tagged_qng, (unsigned)h->unit_not_ready, + (unsigned)h->chip_no); -/* Number of boards detected in system. */ -STATIC int asc_board_count = 0; -STATIC struct Scsi_Host *asc_host[ASC_NUM_BOARD_SUPPORTED] = { NULL }; + printk(" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait " + "%u,\n", (unsigned)h->queue_full_or_busy, + (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait); -/* Overrun buffer used by all narrow boards. */ -STATIC uchar overrun_buf[ASC_OVERRUN_BSIZE] = { 0 }; + printk(" is_in_int %u, max_total_qng %u, cur_total_qng %u, " + "in_critical_cnt %u,\n", (unsigned)h->is_in_int, + (unsigned)h->max_total_qng, (unsigned)h->cur_total_qng, + (unsigned)h->in_critical_cnt); -/* - * Global structures required to issue a command. - */ -STATIC ASC_SCSI_Q asc_scsi_q = { { 0 } }; -STATIC ASC_SG_HEAD asc_sg_head = { 0 }; - -/* List of supported bus types. */ -STATIC ushort asc_bus[ASC_NUM_BUS] __initdata = { - ASC_IS_ISA, - ASC_IS_VL, - ASC_IS_EISA, - ASC_IS_PCI, -}; + printk(" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, " + "pci_fix_asyn_xfer 0x%x,\n", (unsigned)h->last_q_shortage, + (unsigned)h->init_state, (unsigned)h->no_scam, + (unsigned)h->pci_fix_asyn_xfer); + + printk(" cfg 0x%lx\n", (ulong)h->cfg); +} /* - * Used with the LILO 'advansys' option to eliminate or - * limit I/O port probing at boot time, cf. advansys_setup(). + * asc_prt_asc_dvc_cfg() */ -STATIC int asc_iopflag = ASC_FALSE; -STATIC int asc_ioport[ASC_NUM_IOPORT_PROBE] = { 0, 0, 0, 0 }; - -#ifdef ADVANSYS_DEBUG -STATIC char * -asc_bus_name[ASC_NUM_BUS] = { - "ASC_IS_ISA", - "ASC_IS_VL", - "ASC_IS_EISA", - "ASC_IS_PCI", -}; +static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h) +{ + printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong)h); -STATIC int asc_dbglvl = 3; -#endif /* ADVANSYS_DEBUG */ + printk(" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n", + h->can_tagged_qng, h->cmd_qng_enabled); + printk(" disc_enable 0x%x, sdtr_enable 0x%x,\n", + h->disc_enable, h->sdtr_enable); -/* Declaration for Asc Library internal data referenced by driver. */ -STATIC PortAddr _asc_def_iop_base[]; + printk(" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, " + "chip_version %d,\n", h->chip_scsi_id, h->isa_dma_speed, + h->isa_dma_channel, h->chip_version); + printk(" mcode_date 0x%x, mcode_version %d\n", + h->mcode_date, h->mcode_version); +} /* - * --- Driver Function Prototypes + * asc_prt_adv_dvc_var() * - * advansys.h contains function prototypes for functions global to Linux. + * Display an ADV_DVC_VAR structure. */ +static void asc_prt_adv_dvc_var(ADV_DVC_VAR *h) +{ + printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong)h); -STATIC irqreturn_t advansys_interrupt(int, void *); -STATIC int advansys_slave_configure(struct scsi_device *); -STATIC void asc_scsi_done_list(struct scsi_cmnd *); -STATIC int asc_execute_scsi_cmnd(struct scsi_cmnd *); -STATIC int asc_build_req(asc_board_t *, struct scsi_cmnd *); -STATIC int adv_build_req(asc_board_t *, struct scsi_cmnd *, ADV_SCSI_REQ_Q **); -STATIC int adv_get_sglist(asc_board_t *, adv_req_t *, struct scsi_cmnd *, int); -STATIC void asc_isr_callback(ASC_DVC_VAR *, ASC_QDONE_INFO *); -STATIC void adv_isr_callback(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *); -STATIC void adv_async_callback(ADV_DVC_VAR *, uchar); -STATIC void asc_enqueue(asc_queue_t *, REQP, int); -STATIC REQP asc_dequeue(asc_queue_t *, int); -STATIC REQP asc_dequeue_list(asc_queue_t *, REQP *, int); -STATIC int asc_rmqueue(asc_queue_t *, REQP); -STATIC void asc_execute_queue(asc_queue_t *); -#ifdef CONFIG_PROC_FS -STATIC int asc_proc_copy(off_t, off_t, char *, int , char *, int); -STATIC int asc_prt_board_devices(struct Scsi_Host *, char *, int); -STATIC int asc_prt_adv_bios(struct Scsi_Host *, char *, int); -STATIC int asc_get_eeprom_string(ushort *serialnum, uchar *cp); -STATIC int asc_prt_asc_board_eeprom(struct Scsi_Host *, char *, int); -STATIC int asc_prt_adv_board_eeprom(struct Scsi_Host *, char *, int); -STATIC int asc_prt_driver_conf(struct Scsi_Host *, char *, int); -STATIC int asc_prt_asc_board_info(struct Scsi_Host *, char *, int); -STATIC int asc_prt_adv_board_info(struct Scsi_Host *, char *, int); -STATIC int asc_prt_line(char *, int, char *fmt, ...); -#endif /* CONFIG_PROC_FS */ + printk(" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n", + (ulong)h->iop_base, h->err_code, (unsigned)h->ultra_able); -/* Declaration for Asc Library internal functions referenced by driver. */ -STATIC int AscFindSignature(PortAddr); -STATIC ushort AscGetEEPConfig(PortAddr, ASCEEP_CONFIG *, ushort); + printk(" sdtr_able 0x%x, wdtr_able 0x%x\n", + (unsigned)h->sdtr_able, (unsigned)h->wdtr_able); -/* Statistics function prototypes. */ -#ifdef ADVANSYS_STATS -#ifdef CONFIG_PROC_FS -STATIC int asc_prt_board_stats(struct Scsi_Host *, char *, int); -STATIC int asc_prt_target_stats(struct Scsi_Host *, int, char *, int); -#endif /* CONFIG_PROC_FS */ -#endif /* ADVANSYS_STATS */ + printk(" start_motor 0x%x, scsi_reset_wait 0x%x\n", + (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait); -/* Debug function prototypes. */ -#ifdef ADVANSYS_DEBUG -STATIC void asc_prt_scsi_host(struct Scsi_Host *); -STATIC void asc_prt_scsi_cmnd(struct scsi_cmnd *); -STATIC void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *); -STATIC void asc_prt_asc_dvc_var(ASC_DVC_VAR *); -STATIC void asc_prt_asc_scsi_q(ASC_SCSI_Q *); -STATIC void asc_prt_asc_qdone_info(ASC_QDONE_INFO *); -STATIC void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *); -STATIC void asc_prt_adv_dvc_var(ADV_DVC_VAR *); -STATIC void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *); -STATIC void asc_prt_adv_sgblock(int, ADV_SG_BLOCK *); -STATIC void asc_prt_hex(char *f, uchar *, int); -#endif /* ADVANSYS_DEBUG */ + printk(" max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%lxn\n", + (unsigned)h->max_host_qng, (unsigned)h->max_dvc_qng, + (ulong)h->carr_freelist); + printk(" icq_sp 0x%lx, irq_sp 0x%lx\n", + (ulong)h->icq_sp, (ulong)h->irq_sp); -/* - * --- Linux 'struct scsi_host_template' and advansys_setup() Functions - */ + printk(" no_scam 0x%x, tagqng_able 0x%x\n", + (unsigned)h->no_scam, (unsigned)h->tagqng_able); + + printk(" chip_scsi_id 0x%x, cfg 0x%lx\n", + (unsigned)h->chip_scsi_id, (ulong)h->cfg); +} -#ifdef CONFIG_PROC_FS /* - * advansys_proc_info() - /proc/scsi/advansys/[0-(ASC_NUM_BOARD_SUPPORTED-1)] - * - * *buffer: I/O buffer - * **start: if inout == FALSE pointer into buffer where user read should start - * offset: current offset into a /proc/scsi/advansys/[0...] file - * length: length of buffer - * hostno: Scsi_Host host_no - * inout: TRUE - user is writing; FALSE - user is reading - * - * Return the number of bytes read from or written to a - * /proc/scsi/advansys/[0...] file. + * asc_prt_adv_dvc_cfg() * - * Note: This function uses the per board buffer 'prtbuf' which is - * allocated when the board is initialized in advansys_detect(). The - * buffer is ASC_PRTBUF_SIZE bytes. The function asc_proc_copy() is - * used to write to the buffer. The way asc_proc_copy() is written - * if 'prtbuf' is too small it will not be overwritten. Instead the - * user just won't get all the available statistics. + * Display an ADV_DVC_CFG structure. */ -int -advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start, - off_t offset, int length, int inout) +static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h) { - struct Scsi_Host *shp; - asc_board_t *boardp; - int i; - char *cp; - int cplen; - int cnt; - int totcnt; - int leftlen; - char *curbuf; - off_t advoffset; -#ifdef ADVANSYS_STATS - int tgt_id; -#endif /* ADVANSYS_STATS */ - - ASC_DBG(1, "advansys_proc_info: begin\n"); + printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong)h); - /* - * User write not supported. - */ - if (inout == TRUE) { - return(-ENOSYS); - } + printk(" disc_enable 0x%x, termination 0x%x\n", + h->disc_enable, h->termination); - /* - * User read of /proc/scsi/advansys/[0...] file. - */ + printk(" chip_version 0x%x, mcode_date 0x%x\n", + h->chip_version, h->mcode_date); - /* Find the specified board. */ - for (i = 0; i < asc_board_count; i++) { - if (asc_host[i]->host_no == shost->host_no) { - break; - } - } - if (i == asc_board_count) { - return(-ENOENT); - } + printk(" mcode_version 0x%x, control_flag 0x%x\n", + h->mcode_version, h->control_flag); +} - shp = asc_host[i]; - boardp = ASC_BOARDP(shp); - - /* Copy read data starting at the beginning of the buffer. */ - *start = buffer; - curbuf = buffer; - advoffset = 0; - totcnt = 0; - leftlen = length; - - /* - * Get board configuration information. - * - * advansys_info() returns the board string from its own static buffer. - */ - cp = (char *) advansys_info(shp); - strcat(cp, "\n"); - cplen = strlen(cp); - /* Copy board information. */ - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; - - /* - * Display Wide Board BIOS Information. - */ - if (ASC_WIDE_BOARD(boardp)) { - cp = boardp->prtbuf; - cplen = asc_prt_adv_bios(shp, cp, ASC_PRTBUF_SIZE); - ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; - } +/* + * asc_prt_scsi_host() + */ +static void asc_prt_scsi_host(struct Scsi_Host *s) +{ + struct asc_board *boardp = shost_priv(s); - /* - * Display driver information for each device attached to the board. - */ - cp = boardp->prtbuf; - cplen = asc_prt_board_devices(shp, cp, ASC_PRTBUF_SIZE); - ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; - - /* - * Display EEPROM configuration for the board. - */ - cp = boardp->prtbuf; - if (ASC_NARROW_BOARD(boardp)) { - cplen = asc_prt_asc_board_eeprom(shp, cp, ASC_PRTBUF_SIZE); - } else { - cplen = asc_prt_adv_board_eeprom(shp, cp, ASC_PRTBUF_SIZE); - } - ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; - - /* - * Display driver configuration and information for the board. - */ - cp = boardp->prtbuf; - cplen = asc_prt_driver_conf(shp, cp, ASC_PRTBUF_SIZE); - ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; + printk("Scsi_Host at addr 0x%p, device %s\n", s, dev_name(boardp->dev)); + printk(" host_busy %u, host_no %d, last_reset %d,\n", + s->host_busy, s->host_no, (unsigned)s->last_reset); -#ifdef ADVANSYS_STATS - /* - * Display driver statistics for the board. - */ - cp = boardp->prtbuf; - cplen = asc_prt_board_stats(shp, cp, ASC_PRTBUF_SIZE); - ASC_ASSERT(cplen <= ASC_PRTBUF_SIZE); - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; - - /* - * Display driver statistics for each target. - */ - for (tgt_id = 0; tgt_id <= ADV_MAX_TID; tgt_id++) { - cp = boardp->prtbuf; - cplen = asc_prt_target_stats(shp, tgt_id, cp, ASC_PRTBUF_SIZE); - ASC_ASSERT(cplen <= ASC_PRTBUF_SIZE); - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; - } -#endif /* ADVANSYS_STATS */ + printk(" base 0x%lx, io_port 0x%lx, irq %d,\n", + (ulong)s->base, (ulong)s->io_port, boardp->irq); - /* - * Display Asc Library dynamic configuration information - * for the board. - */ - cp = boardp->prtbuf; - if (ASC_NARROW_BOARD(boardp)) { - cplen = asc_prt_asc_board_info(shp, cp, ASC_PRTBUF_SIZE); - } else { - cplen = asc_prt_adv_board_info(shp, cp, ASC_PRTBUF_SIZE); - } - ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; + printk(" dma_channel %d, this_id %d, can_queue %d,\n", + s->dma_channel, s->this_id, s->can_queue); - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + printk(" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d\n", + s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma); - return totcnt; + if (ASC_NARROW_BOARD(boardp)) { + asc_prt_asc_dvc_var(&boardp->dvc_var.asc_dvc_var); + asc_prt_asc_dvc_cfg(&boardp->dvc_cfg.asc_dvc_cfg); + } else { + asc_prt_adv_dvc_var(&boardp->dvc_var.adv_dvc_var); + asc_prt_adv_dvc_cfg(&boardp->dvc_cfg.adv_dvc_cfg); + } } -#endif /* CONFIG_PROC_FS */ /* - * advansys_detect() - * - * Detect function for AdvanSys adapters. - * - * Argument is a pointer to the host driver's scsi_hosts entry. - * - * Return number of adapters found. + * asc_prt_hex() * - * Note: Because this function is called during system initialization - * it must not call SCSI mid-level functions including scsi_malloc() - * and scsi_free(). + * Print hexadecimal output in 4 byte groupings 32 bytes + * or 8 double-words per line. */ -int __init -advansys_detect(struct scsi_host_template *tpnt) -{ - static int detect_called = ASC_FALSE; - int iop; - int bus; - struct Scsi_Host *shp = NULL; - asc_board_t *boardp = NULL; - ASC_DVC_VAR *asc_dvc_varp = NULL; - ADV_DVC_VAR *adv_dvc_varp = NULL; - adv_sgblk_t *sgp = NULL; - int ioport = 0; - int share_irq = FALSE; - int iolen = 0; - struct device *dev = NULL; -#ifdef CONFIG_PCI - int pci_init_search = 0; - struct pci_dev *pci_devicep[ASC_NUM_BOARD_SUPPORTED]; - int pci_card_cnt_max = 0; - int pci_card_cnt = 0; - struct pci_dev *pci_devp = NULL; - int pci_device_id_cnt = 0; - unsigned int pci_device_id[ASC_PCI_DEVICE_ID_CNT] = { - PCI_DEVICE_ID_ASP_1200A, - PCI_DEVICE_ID_ASP_ABP940, - PCI_DEVICE_ID_ASP_ABP940U, - PCI_DEVICE_ID_ASP_ABP940UW, - PCI_DEVICE_ID_38C0800_REV1, - PCI_DEVICE_ID_38C1600_REV1 - }; - ADV_PADDR pci_memory_address; -#endif /* CONFIG_PCI */ - int warn_code, err_code; - int ret; - - if (detect_called == ASC_FALSE) { - detect_called = ASC_TRUE; - } else { - printk("AdvanSys SCSI: advansys_detect() multiple calls ignored\n"); - return 0; - } - - ASC_DBG(1, "advansys_detect: begin\n"); - - asc_board_count = 0; - - /* - * If I/O port probing has been modified, then verify and - * clean-up the 'asc_ioport' list. - */ - if (asc_iopflag == ASC_TRUE) { - for (ioport = 0; ioport < ASC_NUM_IOPORT_PROBE; ioport++) { - ASC_DBG2(1, "advansys_detect: asc_ioport[%d] 0x%x\n", - ioport, asc_ioport[ioport]); - if (asc_ioport[ioport] != 0) { - for (iop = 0; iop < ASC_IOADR_TABLE_MAX_IX; iop++) { - if (_asc_def_iop_base[iop] == asc_ioport[ioport]) { - break; - } - } - if (iop == ASC_IOADR_TABLE_MAX_IX) { - printk( -"AdvanSys SCSI: specified I/O Port 0x%X is invalid\n", - asc_ioport[ioport]); - asc_ioport[ioport] = 0; - } - } - } - ioport = 0; - } - - for (bus = 0; bus < ASC_NUM_BUS; bus++) { - - ASC_DBG2(1, "advansys_detect: bus search type %d (%s)\n", - bus, asc_bus_name[bus]); - iop = 0; - - while (asc_board_count < ASC_NUM_BOARD_SUPPORTED) { - - ASC_DBG1(2, "advansys_detect: asc_board_count %d\n", - asc_board_count); +static void asc_prt_hex(char *f, uchar *s, int l) +{ + int i; + int j; + int k; + int m; + + printk("%s: (%d bytes)\n", f, l); + + for (i = 0; i < l; i += 32) { + + /* Display a maximum of 8 double-words per line. */ + if ((k = (l - i) / 4) >= 8) { + k = 8; + m = 0; + } else { + m = (l - i) % 4; + } + + for (j = 0; j < k; j++) { + printk(" %2.2X%2.2X%2.2X%2.2X", + (unsigned)s[i + (j * 4)], + (unsigned)s[i + (j * 4) + 1], + (unsigned)s[i + (j * 4) + 2], + (unsigned)s[i + (j * 4) + 3]); + } + + switch (m) { + case 0: + default: + break; + case 1: + printk(" %2.2X", (unsigned)s[i + (j * 4)]); + break; + case 2: + printk(" %2.2X%2.2X", + (unsigned)s[i + (j * 4)], + (unsigned)s[i + (j * 4) + 1]); + break; + case 3: + printk(" %2.2X%2.2X%2.2X", + (unsigned)s[i + (j * 4) + 1], + (unsigned)s[i + (j * 4) + 2], + (unsigned)s[i + (j * 4) + 3]); + break; + } + + printk("\n"); + } +} - switch (asc_bus[bus]) { - case ASC_IS_ISA: - case ASC_IS_VL: -#ifdef CONFIG_ISA - if (asc_iopflag == ASC_FALSE) { - iop = AscSearchIOPortAddr(iop, asc_bus[bus]); - } else { - /* - * ISA and VL I/O port scanning has either been - * eliminated or limited to selected ports on - * the LILO command line, /etc/lilo.conf, or - * by setting variables when the module was loaded. - */ - ASC_DBG(1, "advansys_detect: I/O port scanning modified\n"); - ioport_try_again: - iop = 0; - for (; ioport < ASC_NUM_IOPORT_PROBE; ioport++) { - if ((iop = asc_ioport[ioport]) != 0) { - break; - } - } - if (iop) { - ASC_DBG1(1, - "advansys_detect: probing I/O port 0x%x...\n", - iop); - if (check_region(iop, ASC_IOADR_GAP) != 0) { - printk( -"AdvanSys SCSI: specified I/O Port 0x%X is busy\n", iop); - /* Don't try this I/O port twice. */ - asc_ioport[ioport] = 0; - goto ioport_try_again; - } else if (AscFindSignature(iop) == ASC_FALSE) { - printk( -"AdvanSys SCSI: specified I/O Port 0x%X has no adapter\n", iop); - /* Don't try this I/O port twice. */ - asc_ioport[ioport] = 0; - goto ioport_try_again; - } else { - /* - * If this isn't an ISA board, then it must be - * a VL board. If currently looking an ISA - * board is being looked for then try for - * another ISA board in 'asc_ioport'. - */ - if (asc_bus[bus] == ASC_IS_ISA && - (AscGetChipVersion(iop, ASC_IS_ISA) & - ASC_CHIP_VER_ISA_BIT) == 0) { - /* - * Don't clear 'asc_ioport[ioport]'. Try - * this board again for VL. Increment - * 'ioport' past this board. - */ - ioport++; - goto ioport_try_again; - } - } - /* - * This board appears good, don't try the I/O port - * again by clearing its value. Increment 'ioport' - * for the next iteration. - */ - asc_ioport[ioport++] = 0; - } - } -#endif /* CONFIG_ISA */ - break; +/* + * asc_prt_asc_scsi_q() + */ +static void asc_prt_asc_scsi_q(ASC_SCSI_Q *q) +{ + ASC_SG_HEAD *sgp; + int i; - case ASC_IS_EISA: -#ifdef CONFIG_ISA - iop = AscSearchIOPortAddr(iop, asc_bus[bus]); -#endif /* CONFIG_ISA */ - break; + printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong)q); - case ASC_IS_PCI: -#ifdef CONFIG_PCI - if (pci_init_search == 0) { - int i, j; - - pci_init_search = 1; - - /* Find all PCI cards. */ - while (pci_device_id_cnt < ASC_PCI_DEVICE_ID_CNT) { - if ((pci_devp = pci_find_device(PCI_VENDOR_ID_ASP, - pci_device_id[pci_device_id_cnt], pci_devp)) == - NULL) { - pci_device_id_cnt++; - } else { - if (pci_enable_device(pci_devp) == 0) { - pci_devicep[pci_card_cnt_max++] = pci_devp; - } - } - } - - /* - * Sort PCI cards in ascending order by PCI Bus, Slot, - * and Device Number. - */ - for (i = 0; i < pci_card_cnt_max - 1; i++) - { - for (j = i + 1; j < pci_card_cnt_max; j++) { - if ((pci_devicep[j]->bus->number < - pci_devicep[i]->bus->number) || - ((pci_devicep[j]->bus->number == - pci_devicep[i]->bus->number) && - (pci_devicep[j]->devfn < - pci_devicep[i]->devfn))) { - pci_devp = pci_devicep[i]; - pci_devicep[i] = pci_devicep[j]; - pci_devicep[j] = pci_devp; - } - } - } - - pci_card_cnt = 0; - } else { - pci_card_cnt++; - } - - if (pci_card_cnt == pci_card_cnt_max) { - iop = 0; - } else { - pci_devp = pci_devicep[pci_card_cnt]; - - ASC_DBG2(2, - "advansys_detect: devfn %d, bus number %d\n", - pci_devp->devfn, pci_devp->bus->number); - iop = pci_resource_start(pci_devp, 0); - ASC_DBG2(1, - "advansys_detect: vendorID %X, deviceID %X\n", - pci_devp->vendor, pci_devp->device); - ASC_DBG2(2, "advansys_detect: iop %X, irqLine %d\n", - iop, pci_devp->irq); - } - if(pci_devp) - dev = &pci_devp->dev; + printk + (" target_ix 0x%x, target_lun %u, srb_ptr 0x%lx, tag_code 0x%x,\n", + q->q2.target_ix, q->q1.target_lun, (ulong)q->q2.srb_ptr, + q->q2.tag_code); -#endif /* CONFIG_PCI */ - break; - - default: - ASC_PRINT1("advansys_detect: unknown bus type: %d\n", - asc_bus[bus]); - break; - } - ASC_DBG1(1, "advansys_detect: iop 0x%x\n", iop); - - /* - * Adapter not found, try next bus type. - */ - if (iop == 0) { - break; - } - - /* - * Adapter found. - * - * Register the adapter, get its configuration, and - * initialize it. - */ - ASC_DBG(2, "advansys_detect: scsi_register()\n"); - shp = scsi_register(tpnt, sizeof(asc_board_t)); - - if (shp == NULL) { - continue; - } - - /* Save a pointer to the Scsi_Host of each board found. */ - asc_host[asc_board_count++] = shp; - - /* Initialize private per board data */ - boardp = ASC_BOARDP(shp); - memset(boardp, 0, sizeof(asc_board_t)); - boardp->id = asc_board_count - 1; - - /* Initialize spinlock. */ - spin_lock_init(&boardp->lock); - - /* - * Handle both narrow and wide boards. - * - * If a Wide board was detected, set the board structure - * wide board flag. Set-up the board structure based on - * the board type. - */ -#ifdef CONFIG_PCI - if (asc_bus[bus] == ASC_IS_PCI && - (pci_devp->device == PCI_DEVICE_ID_ASP_ABP940UW || - pci_devp->device == PCI_DEVICE_ID_38C0800_REV1 || - pci_devp->device == PCI_DEVICE_ID_38C1600_REV1)) - { - boardp->flags |= ASC_IS_WIDE_BOARD; - } -#endif /* CONFIG_PCI */ + printk + (" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n", + (ulong)le32_to_cpu(q->q1.data_addr), + (ulong)le32_to_cpu(q->q1.data_cnt), + (ulong)le32_to_cpu(q->q1.sense_addr), q->q1.sense_len); - if (ASC_NARROW_BOARD(boardp)) { - ASC_DBG(1, "advansys_detect: narrow board\n"); - asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; - asc_dvc_varp->bus_type = asc_bus[bus]; - asc_dvc_varp->drv_ptr = boardp; - asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg; - asc_dvc_varp->cfg->overrun_buf = &overrun_buf[0]; - asc_dvc_varp->iop_base = iop; - asc_dvc_varp->isr_callback = asc_isr_callback; - } else { - ASC_DBG(1, "advansys_detect: wide board\n"); - adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; - adv_dvc_varp->drv_ptr = boardp; - adv_dvc_varp->cfg = &boardp->dvc_cfg.adv_dvc_cfg; - adv_dvc_varp->isr_callback = adv_isr_callback; - adv_dvc_varp->async_callback = adv_async_callback; -#ifdef CONFIG_PCI - if (pci_devp->device == PCI_DEVICE_ID_ASP_ABP940UW) - { - ASC_DBG(1, "advansys_detect: ASC-3550\n"); - adv_dvc_varp->chip_type = ADV_CHIP_ASC3550; - } else if (pci_devp->device == PCI_DEVICE_ID_38C0800_REV1) - { - ASC_DBG(1, "advansys_detect: ASC-38C0800\n"); - adv_dvc_varp->chip_type = ADV_CHIP_ASC38C0800; - } else - { - ASC_DBG(1, "advansys_detect: ASC-38C1600\n"); - adv_dvc_varp->chip_type = ADV_CHIP_ASC38C1600; - } -#endif /* CONFIG_PCI */ + printk(" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n", + (ulong)q->cdbptr, q->q2.cdb_len, + (ulong)q->sg_head, q->q1.sg_queue_cnt); - /* - * Map the board's registers into virtual memory for - * PCI slave access. Only memory accesses are used to - * access the board's registers. - * - * Note: The PCI register base address is not always - * page aligned, but the address passed to ioremap() - * must be page aligned. It is guaranteed that the - * PCI register base address will not cross a page - * boundary. - */ - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - iolen = ADV_3550_IOLEN; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - iolen = ADV_38C0800_IOLEN; - } else - { - iolen = ADV_38C1600_IOLEN; - } -#ifdef CONFIG_PCI - pci_memory_address = pci_resource_start(pci_devp, 1); - ASC_DBG1(1, "advansys_detect: pci_memory_address: 0x%lx\n", - (ulong) pci_memory_address); - if ((boardp->ioremap_addr = - ioremap(pci_memory_address & PAGE_MASK, - PAGE_SIZE)) == 0) { - ASC_PRINT3( -"advansys_detect: board %d: ioremap(%x, %d) returned NULL\n", - boardp->id, pci_memory_address, iolen); - scsi_unregister(shp); - asc_board_count--; - continue; - } - ASC_DBG1(1, "advansys_detect: ioremap_addr: 0x%lx\n", - (ulong) boardp->ioremap_addr); - adv_dvc_varp->iop_base = (AdvPortAddr) - (boardp->ioremap_addr + - (pci_memory_address - (pci_memory_address & PAGE_MASK))); - ASC_DBG1(1, "advansys_detect: iop_base: 0x%lx\n", - adv_dvc_varp->iop_base); -#endif /* CONFIG_PCI */ + if (q->sg_head) { + sgp = q->sg_head; + printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong)sgp); + printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt, + sgp->queue_cnt); + for (i = 0; i < sgp->entry_cnt; i++) { + printk(" [%u]: addr 0x%lx, bytes %lu\n", + i, (ulong)le32_to_cpu(sgp->sg_list[i].addr), + (ulong)le32_to_cpu(sgp->sg_list[i].bytes)); + } - /* - * Even though it isn't used to access wide boards, other - * than for the debug line below, save I/O Port address so - * that it can be reported. - */ - boardp->ioport = iop; + } +} - ASC_DBG2(1, -"advansys_detect: iopb_chip_id_1 0x%x, iopw_chip_id_0 0x%x\n", - (ushort) inp(iop + 1), (ushort) inpw(iop)); - } +/* + * asc_prt_asc_qdone_info() + */ +static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *q) +{ + printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong)q); + printk(" srb_ptr 0x%lx, target_ix %u, cdb_len %u, tag_code %u,\n", + (ulong)q->d2.srb_ptr, q->d2.target_ix, q->d2.cdb_len, + q->d2.tag_code); + printk + (" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n", + q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg); +} -#ifdef CONFIG_PROC_FS - /* - * Allocate buffer for printing information from - * /proc/scsi/advansys/[0...]. - */ - if ((boardp->prtbuf = - kmalloc(ASC_PRTBUF_SIZE, GFP_ATOMIC)) == NULL) { - ASC_PRINT3( -"advansys_detect: board %d: kmalloc(%d, %d) returned NULL\n", - boardp->id, ASC_PRTBUF_SIZE, GFP_ATOMIC); - scsi_unregister(shp); - asc_board_count--; - continue; - } -#endif /* CONFIG_PROC_FS */ +/* + * asc_prt_adv_sgblock() + * + * Display an ADV_SG_BLOCK structure. + */ +static void asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b) +{ + int i; + + printk(" ASC_SG_BLOCK at addr 0x%lx (sgblockno %d)\n", + (ulong)b, sgblockno); + printk(" sg_cnt %u, sg_ptr 0x%lx\n", + b->sg_cnt, (ulong)le32_to_cpu(b->sg_ptr)); + BUG_ON(b->sg_cnt > NO_OF_SG_PER_BLOCK); + if (b->sg_ptr != 0) + BUG_ON(b->sg_cnt != NO_OF_SG_PER_BLOCK); + for (i = 0; i < b->sg_cnt; i++) { + printk(" [%u]: sg_addr 0x%lx, sg_count 0x%lx\n", + i, (ulong)b->sg_list[i].sg_addr, + (ulong)b->sg_list[i].sg_count); + } +} - if (ASC_NARROW_BOARD(boardp)) { - asc_dvc_varp->cfg->dev = dev; - /* - * Set the board bus type and PCI IRQ before - * calling AscInitGetConfig(). - */ - switch (asc_dvc_varp->bus_type) { -#ifdef CONFIG_ISA - case ASC_IS_ISA: - shp->unchecked_isa_dma = TRUE; - share_irq = FALSE; - break; - case ASC_IS_VL: - shp->unchecked_isa_dma = FALSE; - share_irq = FALSE; - break; - case ASC_IS_EISA: - shp->unchecked_isa_dma = FALSE; - share_irq = TRUE; - break; -#endif /* CONFIG_ISA */ -#ifdef CONFIG_PCI - case ASC_IS_PCI: - shp->irq = asc_dvc_varp->irq_no = pci_devp->irq; - asc_dvc_varp->cfg->pci_slot_info = - ASC_PCI_MKID(pci_devp->bus->number, - PCI_SLOT(pci_devp->devfn), - PCI_FUNC(pci_devp->devfn)); - shp->unchecked_isa_dma = FALSE; - share_irq = TRUE; - break; -#endif /* CONFIG_PCI */ - default: - ASC_PRINT2( -"advansys_detect: board %d: unknown adapter type: %d\n", - boardp->id, asc_dvc_varp->bus_type); - shp->unchecked_isa_dma = TRUE; - share_irq = FALSE; - break; - } - } else { - adv_dvc_varp->cfg->dev = dev; - /* - * For Wide boards set PCI information before calling - * AdvInitGetConfig(). - */ -#ifdef CONFIG_PCI - shp->irq = adv_dvc_varp->irq_no = pci_devp->irq; - adv_dvc_varp->cfg->pci_slot_info = - ASC_PCI_MKID(pci_devp->bus->number, - PCI_SLOT(pci_devp->devfn), - PCI_FUNC(pci_devp->devfn)); - shp->unchecked_isa_dma = FALSE; - share_irq = TRUE; -#endif /* CONFIG_PCI */ - } - - /* - * Read the board configuration. - */ - if (ASC_NARROW_BOARD(boardp)) { - /* - * NOTE: AscInitGetConfig() may change the board's - * bus_type value. The asc_bus[bus] value should no - * longer be used. If the bus_type field must be - * referenced only use the bit-wise AND operator "&". - */ - ASC_DBG(2, "advansys_detect: AscInitGetConfig()\n"); - switch(ret = AscInitGetConfig(asc_dvc_varp)) { - case 0: /* No error */ - break; - case ASC_WARN_IO_PORT_ROTATE: - ASC_PRINT1( -"AscInitGetConfig: board %d: I/O port address modified\n", - boardp->id); - break; - case ASC_WARN_AUTO_CONFIG: - ASC_PRINT1( -"AscInitGetConfig: board %d: I/O port increment switch enabled\n", - boardp->id); - break; - case ASC_WARN_EEPROM_CHKSUM: - ASC_PRINT1( -"AscInitGetConfig: board %d: EEPROM checksum error\n", - boardp->id); - break; - case ASC_WARN_IRQ_MODIFIED: - ASC_PRINT1( -"AscInitGetConfig: board %d: IRQ modified\n", - boardp->id); - break; - case ASC_WARN_CMD_QNG_CONFLICT: - ASC_PRINT1( -"AscInitGetConfig: board %d: tag queuing enabled w/o disconnects\n", - boardp->id); - break; - default: - ASC_PRINT2( -"AscInitGetConfig: board %d: unknown warning: 0x%x\n", - boardp->id, ret); - break; - } - if ((err_code = asc_dvc_varp->err_code) != 0) { - ASC_PRINT3( -"AscInitGetConfig: board %d error: init_state 0x%x, err_code 0x%x\n", - boardp->id, asc_dvc_varp->init_state, - asc_dvc_varp->err_code); - } - } else { - ASC_DBG(2, "advansys_detect: AdvInitGetConfig()\n"); - if ((ret = AdvInitGetConfig(adv_dvc_varp)) != 0) { - ASC_PRINT2("AdvInitGetConfig: board %d: warning: 0x%x\n", - boardp->id, ret); - } - if ((err_code = adv_dvc_varp->err_code) != 0) { - ASC_PRINT2( -"AdvInitGetConfig: board %d error: err_code 0x%x\n", - boardp->id, adv_dvc_varp->err_code); - } - } - - if (err_code != 0) { -#ifdef CONFIG_PROC_FS - kfree(boardp->prtbuf); -#endif /* CONFIG_PROC_FS */ - scsi_unregister(shp); - asc_board_count--; - continue; - } - - /* - * Save the EEPROM configuration so that it can be displayed - * from /proc/scsi/advansys/[0...]. - */ - if (ASC_NARROW_BOARD(boardp)) { - - ASCEEP_CONFIG *ep; - - /* - * Set the adapter's target id bit in the 'init_tidmask' field. - */ - boardp->init_tidmask |= - ADV_TID_TO_TIDMASK(asc_dvc_varp->cfg->chip_scsi_id); - - /* - * Save EEPROM settings for the board. - */ - ep = &boardp->eep_config.asc_eep; - - ep->init_sdtr = asc_dvc_varp->cfg->sdtr_enable; - ep->disc_enable = asc_dvc_varp->cfg->disc_enable; - ep->use_cmd_qng = asc_dvc_varp->cfg->cmd_qng_enabled; - ASC_EEP_SET_DMA_SPD(ep, asc_dvc_varp->cfg->isa_dma_speed); - ep->start_motor = asc_dvc_varp->start_motor; - ep->cntl = asc_dvc_varp->dvc_cntl; - ep->no_scam = asc_dvc_varp->no_scam; - ep->max_total_qng = asc_dvc_varp->max_total_qng; - ASC_EEP_SET_CHIP_ID(ep, asc_dvc_varp->cfg->chip_scsi_id); - /* 'max_tag_qng' is set to the same value for every device. */ - ep->max_tag_qng = asc_dvc_varp->cfg->max_tag_qng[0]; - ep->adapter_info[0] = asc_dvc_varp->cfg->adapter_info[0]; - ep->adapter_info[1] = asc_dvc_varp->cfg->adapter_info[1]; - ep->adapter_info[2] = asc_dvc_varp->cfg->adapter_info[2]; - ep->adapter_info[3] = asc_dvc_varp->cfg->adapter_info[3]; - ep->adapter_info[4] = asc_dvc_varp->cfg->adapter_info[4]; - ep->adapter_info[5] = asc_dvc_varp->cfg->adapter_info[5]; - - /* - * Modify board configuration. - */ - ASC_DBG(2, "advansys_detect: AscInitSetConfig()\n"); - switch (ret = AscInitSetConfig(asc_dvc_varp)) { - case 0: /* No error. */ - break; - case ASC_WARN_IO_PORT_ROTATE: - ASC_PRINT1( -"AscInitSetConfig: board %d: I/O port address modified\n", - boardp->id); - break; - case ASC_WARN_AUTO_CONFIG: - ASC_PRINT1( -"AscInitSetConfig: board %d: I/O port increment switch enabled\n", - boardp->id); - break; - case ASC_WARN_EEPROM_CHKSUM: - ASC_PRINT1( -"AscInitSetConfig: board %d: EEPROM checksum error\n", - boardp->id); - break; - case ASC_WARN_IRQ_MODIFIED: - ASC_PRINT1( -"AscInitSetConfig: board %d: IRQ modified\n", - boardp->id); - break; - case ASC_WARN_CMD_QNG_CONFLICT: - ASC_PRINT1( -"AscInitSetConfig: board %d: tag queuing w/o disconnects\n", - boardp->id); - break; - default: - ASC_PRINT2( -"AscInitSetConfig: board %d: unknown warning: 0x%x\n", - boardp->id, ret); - break; - } - if (asc_dvc_varp->err_code != 0) { - ASC_PRINT3( -"AscInitSetConfig: board %d error: init_state 0x%x, err_code 0x%x\n", - boardp->id, asc_dvc_varp->init_state, - asc_dvc_varp->err_code); -#ifdef CONFIG_PROC_FS - kfree(boardp->prtbuf); -#endif /* CONFIG_PROC_FS */ - scsi_unregister(shp); - asc_board_count--; - continue; - } - - /* - * Finish initializing the 'Scsi_Host' structure. - */ - /* AscInitSetConfig() will set the IRQ for non-PCI boards. */ - if ((asc_dvc_varp->bus_type & ASC_IS_PCI) == 0) { - shp->irq = asc_dvc_varp->irq_no; - } - } else { - ADVEEP_3550_CONFIG *ep_3550; - ADVEEP_38C0800_CONFIG *ep_38C0800; - ADVEEP_38C1600_CONFIG *ep_38C1600; - - /* - * Save Wide EEP Configuration Information. - */ - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - ep_3550 = &boardp->eep_config.adv_3550_eep; - - ep_3550->adapter_scsi_id = adv_dvc_varp->chip_scsi_id; - ep_3550->max_host_qng = adv_dvc_varp->max_host_qng; - ep_3550->max_dvc_qng = adv_dvc_varp->max_dvc_qng; - ep_3550->termination = adv_dvc_varp->cfg->termination; - ep_3550->disc_enable = adv_dvc_varp->cfg->disc_enable; - ep_3550->bios_ctrl = adv_dvc_varp->bios_ctrl; - ep_3550->wdtr_able = adv_dvc_varp->wdtr_able; - ep_3550->sdtr_able = adv_dvc_varp->sdtr_able; - ep_3550->ultra_able = adv_dvc_varp->ultra_able; - ep_3550->tagqng_able = adv_dvc_varp->tagqng_able; - ep_3550->start_motor = adv_dvc_varp->start_motor; - ep_3550->scsi_reset_delay = adv_dvc_varp->scsi_reset_wait; - ep_3550->serial_number_word1 = - adv_dvc_varp->cfg->serial1; - ep_3550->serial_number_word2 = - adv_dvc_varp->cfg->serial2; - ep_3550->serial_number_word3 = - adv_dvc_varp->cfg->serial3; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - ep_38C0800 = &boardp->eep_config.adv_38C0800_eep; - - ep_38C0800->adapter_scsi_id = adv_dvc_varp->chip_scsi_id; - ep_38C0800->max_host_qng = adv_dvc_varp->max_host_qng; - ep_38C0800->max_dvc_qng = adv_dvc_varp->max_dvc_qng; - ep_38C0800->termination_lvd = - adv_dvc_varp->cfg->termination; - ep_38C0800->disc_enable = adv_dvc_varp->cfg->disc_enable; - ep_38C0800->bios_ctrl = adv_dvc_varp->bios_ctrl; - ep_38C0800->wdtr_able = adv_dvc_varp->wdtr_able; - ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able; - ep_38C0800->sdtr_speed1 = adv_dvc_varp->sdtr_speed1; - ep_38C0800->sdtr_speed2 = adv_dvc_varp->sdtr_speed2; - ep_38C0800->sdtr_speed3 = adv_dvc_varp->sdtr_speed3; - ep_38C0800->sdtr_speed4 = adv_dvc_varp->sdtr_speed4; - ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able; - ep_38C0800->start_motor = adv_dvc_varp->start_motor; - ep_38C0800->scsi_reset_delay = - adv_dvc_varp->scsi_reset_wait; - ep_38C0800->serial_number_word1 = - adv_dvc_varp->cfg->serial1; - ep_38C0800->serial_number_word2 = - adv_dvc_varp->cfg->serial2; - ep_38C0800->serial_number_word3 = - adv_dvc_varp->cfg->serial3; - } else - { - ep_38C1600 = &boardp->eep_config.adv_38C1600_eep; - - ep_38C1600->adapter_scsi_id = adv_dvc_varp->chip_scsi_id; - ep_38C1600->max_host_qng = adv_dvc_varp->max_host_qng; - ep_38C1600->max_dvc_qng = adv_dvc_varp->max_dvc_qng; - ep_38C1600->termination_lvd = - adv_dvc_varp->cfg->termination; - ep_38C1600->disc_enable = adv_dvc_varp->cfg->disc_enable; - ep_38C1600->bios_ctrl = adv_dvc_varp->bios_ctrl; - ep_38C1600->wdtr_able = adv_dvc_varp->wdtr_able; - ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able; - ep_38C1600->sdtr_speed1 = adv_dvc_varp->sdtr_speed1; - ep_38C1600->sdtr_speed2 = adv_dvc_varp->sdtr_speed2; - ep_38C1600->sdtr_speed3 = adv_dvc_varp->sdtr_speed3; - ep_38C1600->sdtr_speed4 = adv_dvc_varp->sdtr_speed4; - ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able; - ep_38C1600->start_motor = adv_dvc_varp->start_motor; - ep_38C1600->scsi_reset_delay = - adv_dvc_varp->scsi_reset_wait; - ep_38C1600->serial_number_word1 = - adv_dvc_varp->cfg->serial1; - ep_38C1600->serial_number_word2 = - adv_dvc_varp->cfg->serial2; - ep_38C1600->serial_number_word3 = - adv_dvc_varp->cfg->serial3; - } - - /* - * Set the adapter's target id bit in the 'init_tidmask' field. - */ - boardp->init_tidmask |= - ADV_TID_TO_TIDMASK(adv_dvc_varp->chip_scsi_id); - - /* - * Finish initializing the 'Scsi_Host' structure. - */ - shp->irq = adv_dvc_varp->irq_no; - } - - /* - * Channels are numbered beginning with 0. For AdvanSys one host - * structure supports one channel. Multi-channel boards have a - * separate host structure for each channel. - */ - shp->max_channel = 0; - if (ASC_NARROW_BOARD(boardp)) { - shp->max_id = ASC_MAX_TID + 1; - shp->max_lun = ASC_MAX_LUN + 1; - - shp->io_port = asc_dvc_varp->iop_base; - boardp->asc_n_io_port = ASC_IOADR_GAP; - shp->this_id = asc_dvc_varp->cfg->chip_scsi_id; - - /* Set maximum number of queues the adapter can handle. */ - shp->can_queue = asc_dvc_varp->max_total_qng; - } else { - shp->max_id = ADV_MAX_TID + 1; - shp->max_lun = ADV_MAX_LUN + 1; - - /* - * Save the I/O Port address and length even though - * I/O ports are not used to access Wide boards. - * Instead the Wide boards are accessed with - * PCI Memory Mapped I/O. - */ - shp->io_port = iop; - boardp->asc_n_io_port = iolen; - - shp->this_id = adv_dvc_varp->chip_scsi_id; - - /* Set maximum number of queues the adapter can handle. */ - shp->can_queue = adv_dvc_varp->max_host_qng; - } - - /* - * 'n_io_port' currently is one byte. - * - * Set a value to 'n_io_port', but never referenced it because - * it may be truncated. - */ - shp->n_io_port = boardp->asc_n_io_port <= 255 ? - boardp->asc_n_io_port : 255; - - /* - * Following v1.3.89, 'cmd_per_lun' is no longer needed - * and should be set to zero. - * - * But because of a bug introduced in v1.3.89 if the driver is - * compiled as a module and 'cmd_per_lun' is zero, the Mid-Level - * SCSI function 'allocate_device' will panic. To allow the driver - * to work as a module in these kernels set 'cmd_per_lun' to 1. - * - * Note: This is wrong. cmd_per_lun should be set to the depth - * you want on untagged devices always. -#ifdef MODULE - */ - shp->cmd_per_lun = 1; -/* #else - shp->cmd_per_lun = 0; -#endif */ +/* + * asc_prt_adv_scsi_req_q() + * + * Display an ADV_SCSI_REQ_Q structure. + */ +static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q) +{ + int sg_blk_cnt; + struct asc_sg_block *sg_ptr; + + printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong)q); + + printk(" target_id %u, target_lun %u, srb_ptr 0x%lx, a_flag 0x%x\n", + q->target_id, q->target_lun, (ulong)q->srb_ptr, q->a_flag); + + printk(" cntl 0x%x, data_addr 0x%lx, vdata_addr 0x%lx\n", + q->cntl, (ulong)le32_to_cpu(q->data_addr), (ulong)q->vdata_addr); + + printk(" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n", + (ulong)le32_to_cpu(q->data_cnt), + (ulong)le32_to_cpu(q->sense_addr), q->sense_len); + + printk + (" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n", + q->cdb_len, q->done_status, q->host_status, q->scsi_status); + + printk(" sg_working_ix 0x%x, target_cmd %u\n", + q->sg_working_ix, q->target_cmd); + + printk(" scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n", + (ulong)le32_to_cpu(q->scsiq_rptr), + (ulong)le32_to_cpu(q->sg_real_addr), (ulong)q->sg_list_ptr); + + /* Display the request's ADV_SG_BLOCK structures. */ + if (q->sg_list_ptr != NULL) { + sg_blk_cnt = 0; + while (1) { + /* + * 'sg_ptr' is a physical address. Convert it to a virtual + * address by indexing 'sg_blk_cnt' into the virtual address + * array 'sg_list_ptr'. + * + * XXX - Assumes all SG physical blocks are virtually contiguous. + */ + sg_ptr = + &(((ADV_SG_BLOCK *)(q->sg_list_ptr))[sg_blk_cnt]); + asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr); + if (sg_ptr->sg_ptr == 0) { + break; + } + sg_blk_cnt++; + } + } +} +#endif /* ADVANSYS_DEBUG */ - /* - * Set the maximum number of scatter-gather elements the - * adapter can handle. - */ - if (ASC_NARROW_BOARD(boardp)) { - /* - * Allow two commands with 'sg_tablesize' scatter-gather - * elements to be executed simultaneously. This value is - * the theoretical hardware limit. It may be decreased - * below. - */ - shp->sg_tablesize = - (((asc_dvc_varp->max_total_qng - 2) / 2) * - ASC_SG_LIST_PER_Q) + 1; - } else { - shp->sg_tablesize = ADV_MAX_SG_LIST; - } - - /* - * The value of 'sg_tablesize' can not exceed the SCSI - * mid-level driver definition of SG_ALL. SG_ALL also - * must not be exceeded, because it is used to define the - * size of the scatter-gather table in 'struct asc_sg_head'. - */ - if (shp->sg_tablesize > SG_ALL) { - shp->sg_tablesize = SG_ALL; - } - - ASC_DBG1(1, "advansys_detect: sg_tablesize: %d\n", - shp->sg_tablesize); - - /* BIOS start address. */ - if (ASC_NARROW_BOARD(boardp)) { - shp->base = - ((ulong) AscGetChipBiosAddress( - asc_dvc_varp->iop_base, - asc_dvc_varp->bus_type)); - } else { - /* - * Fill-in BIOS board variables. The Wide BIOS saves - * information in LRAM that is used by the driver. - */ - AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_SIGNATURE, - boardp->bios_signature); - AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_VERSION, - boardp->bios_version); - AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_CODESEG, - boardp->bios_codeseg); - AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_CODELEN, - boardp->bios_codelen); - - ASC_DBG2(1, - "advansys_detect: bios_signature 0x%x, bios_version 0x%x\n", - boardp->bios_signature, boardp->bios_version); - - ASC_DBG2(1, - "advansys_detect: bios_codeseg 0x%x, bios_codelen 0x%x\n", - boardp->bios_codeseg, boardp->bios_codelen); - - /* - * If the BIOS saved a valid signature, then fill in - * the BIOS code segment base address. - */ - if (boardp->bios_signature == 0x55AA) { - /* - * Convert x86 realmode code segment to a linear - * address by shifting left 4. - */ - shp->base = ((ulong) boardp->bios_codeseg << 4); - } else { - shp->base = 0; - } - } - - /* - * Register Board Resources - I/O Port, DMA, IRQ - */ - - /* - * Register I/O port range. - * - * For Wide boards the I/O ports are not used to access - * the board, but request the region anyway. - * - * 'shp->n_io_port' is not referenced, because it may be truncated. - */ - ASC_DBG2(2, - "advansys_detect: request_region port 0x%lx, len 0x%x\n", - (ulong) shp->io_port, boardp->asc_n_io_port); - if (request_region(shp->io_port, boardp->asc_n_io_port, - "advansys") == NULL) { - ASC_PRINT3( -"advansys_detect: board %d: request_region() failed, port 0x%lx, len 0x%x\n", - boardp->id, (ulong) shp->io_port, boardp->asc_n_io_port); -#ifdef CONFIG_PROC_FS - kfree(boardp->prtbuf); -#endif /* CONFIG_PROC_FS */ - scsi_unregister(shp); - asc_board_count--; - continue; - } +/* + * The advansys chip/microcode contains a 32-bit identifier for each command + * known as the 'srb'. I don't know what it stands for. The driver used + * to encode the scsi_cmnd pointer by calling virt_to_bus and retrieve it + * with bus_to_virt. Now the driver keeps a per-host map of integers to + * pointers. It auto-expands when full, unless it can't allocate memory. + * Note that an srb of 0 is treated specially by the chip/firmware, hence + * the return of i+1 in this routine, and the corresponding subtraction in + * the inverse routine. + */ +#define BAD_SRB 0 +static u32 advansys_ptr_to_srb(struct asc_dvc_var *asc_dvc, void *ptr) +{ + int i; + void **new_ptr; - /* Register DMA Channel for Narrow boards. */ - shp->dma_channel = NO_ISA_DMA; /* Default to no ISA DMA. */ -#ifdef CONFIG_ISA - if (ASC_NARROW_BOARD(boardp)) { - /* Register DMA channel for ISA bus. */ - if (asc_dvc_varp->bus_type & ASC_IS_ISA) { - shp->dma_channel = asc_dvc_varp->cfg->isa_dma_channel; - if ((ret = - request_dma(shp->dma_channel, "advansys")) != 0) { - ASC_PRINT3( -"advansys_detect: board %d: request_dma() %d failed %d\n", - boardp->id, shp->dma_channel, ret); - release_region(shp->io_port, boardp->asc_n_io_port); -#ifdef CONFIG_PROC_FS - kfree(boardp->prtbuf); -#endif /* CONFIG_PROC_FS */ - scsi_unregister(shp); - asc_board_count--; - continue; - } - AscEnableIsaDma(shp->dma_channel); - } - } -#endif /* CONFIG_ISA */ + for (i = 0; i < asc_dvc->ptr_map_count; i++) { + if (!asc_dvc->ptr_map[i]) + goto out; + } - /* Register IRQ Number. */ - ASC_DBG1(2, "advansys_detect: request_irq() %d\n", shp->irq); - /* - * If request_irq() fails with the IRQF_DISABLED flag set, - * then try again without the IRQF_DISABLED flag set. This - * allows IRQ sharing to work even with other drivers that - * do not set the IRQF_DISABLED flag. - * - * If IRQF_DISABLED is not set, then interrupts are enabled - * before the driver interrupt function is called. - */ - if (((ret = request_irq(shp->irq, advansys_interrupt, - IRQF_DISABLED | (share_irq == TRUE ? IRQF_SHARED : 0), - "advansys", boardp)) != 0) && - ((ret = request_irq(shp->irq, advansys_interrupt, - (share_irq == TRUE ? IRQF_SHARED : 0), - "advansys", boardp)) != 0)) - { - if (ret == -EBUSY) { - ASC_PRINT2( -"advansys_detect: board %d: request_irq(): IRQ 0x%x already in use.\n", - boardp->id, shp->irq); - } else if (ret == -EINVAL) { - ASC_PRINT2( -"advansys_detect: board %d: request_irq(): IRQ 0x%x not valid.\n", - boardp->id, shp->irq); - } else { - ASC_PRINT3( -"advansys_detect: board %d: request_irq(): IRQ 0x%x failed with %d\n", - boardp->id, shp->irq, ret); - } - release_region(shp->io_port, boardp->asc_n_io_port); - iounmap(boardp->ioremap_addr); - if (shp->dma_channel != NO_ISA_DMA) { - free_dma(shp->dma_channel); - } -#ifdef CONFIG_PROC_FS - kfree(boardp->prtbuf); -#endif /* CONFIG_PROC_FS */ - scsi_unregister(shp); - asc_board_count--; - continue; - } - - /* - * Initialize board RISC chip and enable interrupts. - */ - if (ASC_NARROW_BOARD(boardp)) { - ASC_DBG(2, "advansys_detect: AscInitAsc1000Driver()\n"); - warn_code = AscInitAsc1000Driver(asc_dvc_varp); - err_code = asc_dvc_varp->err_code; - - if (warn_code || err_code) { - ASC_PRINT4( -"advansys_detect: board %d error: init_state 0x%x, warn 0x%x, error 0x%x\n", - boardp->id, asc_dvc_varp->init_state, - warn_code, err_code); - } - } else { - ADV_CARR_T *carrp; - int req_cnt = 0; - adv_req_t *reqp = NULL; - int sg_cnt = 0; - - /* - * Allocate buffer carrier structures. The total size - * is about 4 KB, so allocate all at once. - */ - carrp = - (ADV_CARR_T *) kmalloc(ADV_CARRIER_BUFSIZE, GFP_ATOMIC); - ASC_DBG1(1, "advansys_detect: carrp 0x%lx\n", (ulong) carrp); - - if (carrp == NULL) { - goto kmalloc_error; - } - - /* - * Allocate up to 'max_host_qng' request structures for - * the Wide board. The total size is about 16 KB, so - * allocate all at once. If the allocation fails decrement - * and try again. - */ - for (req_cnt = adv_dvc_varp->max_host_qng; - req_cnt > 0; req_cnt--) { - - reqp = (adv_req_t *) - kmalloc(sizeof(adv_req_t) * req_cnt, GFP_ATOMIC); - - ASC_DBG3(1, - "advansys_detect: reqp 0x%lx, req_cnt %d, bytes %lu\n", - (ulong) reqp, req_cnt, - (ulong) sizeof(adv_req_t) * req_cnt); - - if (reqp != NULL) { - break; - } - } - if (reqp == NULL) - { - goto kmalloc_error; - } - - /* - * Allocate up to ADV_TOT_SG_BLOCK request structures for - * the Wide board. Each structure is about 136 bytes. - */ - boardp->adv_sgblkp = NULL; - for (sg_cnt = 0; sg_cnt < ADV_TOT_SG_BLOCK; sg_cnt++) { - - sgp = (adv_sgblk_t *) - kmalloc(sizeof(adv_sgblk_t), GFP_ATOMIC); - - if (sgp == NULL) { - break; - } - - sgp->next_sgblkp = boardp->adv_sgblkp; - boardp->adv_sgblkp = sgp; - - } - ASC_DBG3(1, - "advansys_detect: sg_cnt %d * %u = %u bytes\n", - sg_cnt, sizeof(adv_sgblk_t), - (unsigned) (sizeof(adv_sgblk_t) * sg_cnt)); - - /* - * If no request structures or scatter-gather structures could - * be allocated, then return an error. Otherwise continue with - * initialization. - */ - kmalloc_error: - if (carrp == NULL) - { - ASC_PRINT1( -"advansys_detect: board %d error: failed to kmalloc() carrier buffer.\n", - boardp->id); - err_code = ADV_ERROR; - } else if (reqp == NULL) { - kfree(carrp); - ASC_PRINT1( -"advansys_detect: board %d error: failed to kmalloc() adv_req_t buffer.\n", - boardp->id); - err_code = ADV_ERROR; - } else if (boardp->adv_sgblkp == NULL) { - kfree(carrp); - kfree(reqp); - ASC_PRINT1( -"advansys_detect: board %d error: failed to kmalloc() adv_sgblk_t buffers.\n", - boardp->id); - err_code = ADV_ERROR; - } else { - - /* Save carrier buffer pointer. */ - boardp->orig_carrp = carrp; - - /* - * Save original pointer for kfree() in case the - * driver is built as a module and can be unloaded. - */ - boardp->orig_reqp = reqp; - - adv_dvc_varp->carrier_buf = carrp; - - /* - * Point 'adv_reqp' to the request structures and - * link them together. - */ - req_cnt--; - reqp[req_cnt].next_reqp = NULL; - for (; req_cnt > 0; req_cnt--) { - reqp[req_cnt - 1].next_reqp = &reqp[req_cnt]; - } - boardp->adv_reqp = &reqp[0]; - - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - ASC_DBG(2, - "advansys_detect: AdvInitAsc3550Driver()\n"); - warn_code = AdvInitAsc3550Driver(adv_dvc_varp); - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { - ASC_DBG(2, - "advansys_detect: AdvInitAsc38C0800Driver()\n"); - warn_code = AdvInitAsc38C0800Driver(adv_dvc_varp); - } else { - ASC_DBG(2, - "advansys_detect: AdvInitAsc38C1600Driver()\n"); - warn_code = AdvInitAsc38C1600Driver(adv_dvc_varp); - } - err_code = adv_dvc_varp->err_code; - - if (warn_code || err_code) { - ASC_PRINT3( -"advansys_detect: board %d error: warn 0x%x, error 0x%x\n", - boardp->id, warn_code, err_code); - } - } - } - - if (err_code != 0) { - release_region(shp->io_port, boardp->asc_n_io_port); - if (ASC_WIDE_BOARD(boardp)) { - iounmap(boardp->ioremap_addr); - kfree(boardp->orig_carrp); - boardp->orig_carrp = NULL; - if (boardp->orig_reqp) { - kfree(boardp->orig_reqp); - boardp->orig_reqp = boardp->adv_reqp = NULL; - } - while ((sgp = boardp->adv_sgblkp) != NULL) - { - boardp->adv_sgblkp = sgp->next_sgblkp; - kfree(sgp); - } - } - if (shp->dma_channel != NO_ISA_DMA) { - free_dma(shp->dma_channel); - } -#ifdef CONFIG_PROC_FS - kfree(boardp->prtbuf); -#endif /* CONFIG_PROC_FS */ - free_irq(shp->irq, boardp); - scsi_unregister(shp); - asc_board_count--; - continue; - } - ASC_DBG_PRT_SCSI_HOST(2, shp); - } - } + if (asc_dvc->ptr_map_count == 0) + asc_dvc->ptr_map_count = 1; + else + asc_dvc->ptr_map_count *= 2; - ASC_DBG1(1, "advansys_detect: done: asc_board_count %d\n", asc_board_count); - return asc_board_count; + new_ptr = krealloc(asc_dvc->ptr_map, + asc_dvc->ptr_map_count * sizeof(void *), GFP_ATOMIC); + if (!new_ptr) + return BAD_SRB; + asc_dvc->ptr_map = new_ptr; + out: + ASC_DBG(3, "Putting ptr %p into array offset %d\n", ptr, i); + asc_dvc->ptr_map[i] = ptr; + return i + 1; } -/* - * advansys_release() - * - * Release resources allocated for a single AdvanSys adapter. - */ -int -advansys_release(struct Scsi_Host *shp) +static void * advansys_srb_to_ptr(struct asc_dvc_var *asc_dvc, u32 srb) { - asc_board_t *boardp; - - ASC_DBG(1, "advansys_release: begin\n"); - boardp = ASC_BOARDP(shp); - free_irq(shp->irq, boardp); - if (shp->dma_channel != NO_ISA_DMA) { - ASC_DBG(1, "advansys_release: free_dma()\n"); - free_dma(shp->dma_channel); - } - release_region(shp->io_port, boardp->asc_n_io_port); - if (ASC_WIDE_BOARD(boardp)) { - adv_sgblk_t *sgp = NULL; - - iounmap(boardp->ioremap_addr); - kfree(boardp->orig_carrp); - boardp->orig_carrp = NULL; - if (boardp->orig_reqp) { - kfree(boardp->orig_reqp); - boardp->orig_reqp = boardp->adv_reqp = NULL; - } - while ((sgp = boardp->adv_sgblkp) != NULL) - { - boardp->adv_sgblkp = sgp->next_sgblkp; - kfree(sgp); - } - } -#ifdef CONFIG_PROC_FS - ASC_ASSERT(boardp->prtbuf != NULL); - kfree(boardp->prtbuf); -#endif /* CONFIG_PROC_FS */ - scsi_unregister(shp); - ASC_DBG(1, "advansys_release: end\n"); - return 0; + void *ptr; + + srb--; + if (srb >= asc_dvc->ptr_map_count) { + printk("advansys: bad SRB %u, max %u\n", srb, + asc_dvc->ptr_map_count); + return NULL; + } + ptr = asc_dvc->ptr_map[srb]; + asc_dvc->ptr_map[srb] = NULL; + ASC_DBG(3, "Returning ptr %p from array offset %d\n", ptr, srb); + return ptr; } /* @@ -5473,12764 +2800,11556 @@ advansys_release(struct Scsi_Host *shp) * Note: The information line should not exceed ASC_INFO_SIZE bytes, * otherwise the static 'info' array will be overrun. */ -const char * -advansys_info(struct Scsi_Host *shp) -{ - static char info[ASC_INFO_SIZE]; - asc_board_t *boardp; - ASC_DVC_VAR *asc_dvc_varp; - ADV_DVC_VAR *adv_dvc_varp; - char *busname; - int iolen; - char *widename = NULL; - - boardp = ASC_BOARDP(shp); - if (ASC_NARROW_BOARD(boardp)) { - asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; - ASC_DBG(1, "advansys_info: begin\n"); - if (asc_dvc_varp->bus_type & ASC_IS_ISA) { - if ((asc_dvc_varp->bus_type & ASC_IS_ISAPNP) == ASC_IS_ISAPNP) { - busname = "ISA PnP"; - } else { - busname = "ISA"; - } - /* Don't reference 'shp->n_io_port'; It may be truncated. */ - sprintf(info, -"AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X, DMA 0x%X", - ASC_VERSION, busname, - (ulong) shp->io_port, - (ulong) shp->io_port + boardp->asc_n_io_port - 1, - shp->irq, shp->dma_channel); - } else { - if (asc_dvc_varp->bus_type & ASC_IS_VL) { - busname = "VL"; - } else if (asc_dvc_varp->bus_type & ASC_IS_EISA) { - busname = "EISA"; - } else if (asc_dvc_varp->bus_type & ASC_IS_PCI) { - if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA) - == ASC_IS_PCI_ULTRA) { - busname = "PCI Ultra"; - } else { - busname = "PCI"; - } - } else { - busname = "?"; - ASC_PRINT2( "advansys_info: board %d: unknown bus type %d\n", - boardp->id, asc_dvc_varp->bus_type); - } - /* Don't reference 'shp->n_io_port'; It may be truncated. */ - sprintf(info, - "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X", - ASC_VERSION, busname, - (ulong) shp->io_port, - (ulong) shp->io_port + boardp->asc_n_io_port - 1, - shp->irq); - } - } else { - /* - * Wide Adapter Information - * - * Memory-mapped I/O is used instead of I/O space to access - * the adapter, but display the I/O Port range. The Memory - * I/O address is displayed through the driver /proc file. - */ - adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - iolen = ADV_3550_IOLEN; - widename = "Ultra-Wide"; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - iolen = ADV_38C0800_IOLEN; - widename = "Ultra2-Wide"; - } else - { - iolen = ADV_38C1600_IOLEN; - widename = "Ultra3-Wide"; - } - sprintf(info, "AdvanSys SCSI %s: PCI %s: PCIMEM 0x%lX-0x%lX, IRQ 0x%X", - ASC_VERSION, - widename, - (ulong) adv_dvc_varp->iop_base, - (ulong) adv_dvc_varp->iop_base + iolen - 1, - shp->irq); - } - ASC_ASSERT(strlen(info) < ASC_INFO_SIZE); - ASC_DBG(1, "advansys_info: end\n"); - return info; +static const char *advansys_info(struct Scsi_Host *shost) +{ + static char info[ASC_INFO_SIZE]; + struct asc_board *boardp = shost_priv(shost); + ASC_DVC_VAR *asc_dvc_varp; + ADV_DVC_VAR *adv_dvc_varp; + char *busname; + char *widename = NULL; + + if (ASC_NARROW_BOARD(boardp)) { + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; + ASC_DBG(1, "begin\n"); + if (asc_dvc_varp->bus_type & ASC_IS_ISA) { + if ((asc_dvc_varp->bus_type & ASC_IS_ISAPNP) == + ASC_IS_ISAPNP) { + busname = "ISA PnP"; + } else { + busname = "ISA"; + } + sprintf(info, + "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X, DMA 0x%X", + ASC_VERSION, busname, + (ulong)shost->io_port, + (ulong)shost->io_port + ASC_IOADR_GAP - 1, + boardp->irq, shost->dma_channel); + } else { + if (asc_dvc_varp->bus_type & ASC_IS_VL) { + busname = "VL"; + } else if (asc_dvc_varp->bus_type & ASC_IS_EISA) { + busname = "EISA"; + } else if (asc_dvc_varp->bus_type & ASC_IS_PCI) { + if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA) + == ASC_IS_PCI_ULTRA) { + busname = "PCI Ultra"; + } else { + busname = "PCI"; + } + } else { + busname = "?"; + shost_printk(KERN_ERR, shost, "unknown bus " + "type %d\n", asc_dvc_varp->bus_type); + } + sprintf(info, + "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X", + ASC_VERSION, busname, (ulong)shost->io_port, + (ulong)shost->io_port + ASC_IOADR_GAP - 1, + boardp->irq); + } + } else { + /* + * Wide Adapter Information + * + * Memory-mapped I/O is used instead of I/O space to access + * the adapter, but display the I/O Port range. The Memory + * I/O address is displayed through the driver /proc file. + */ + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + widename = "Ultra-Wide"; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + widename = "Ultra2-Wide"; + } else { + widename = "Ultra3-Wide"; + } + sprintf(info, + "AdvanSys SCSI %s: PCI %s: PCIMEM 0x%lX-0x%lX, IRQ 0x%X", + ASC_VERSION, widename, (ulong)adv_dvc_varp->iop_base, + (ulong)adv_dvc_varp->iop_base + boardp->asc_n_io_port - 1, boardp->irq); + } + BUG_ON(strlen(info) >= ASC_INFO_SIZE); + ASC_DBG(1, "end\n"); + return info; } +#ifdef CONFIG_PROC_FS /* - * advansys_queuecommand() - interrupt-driven I/O entrypoint. + * asc_prt_line() * - * This function always returns 0. Command return status is saved - * in the 'scp' result field. + * If 'cp' is NULL print to the console, otherwise print to a buffer. + * + * Return 0 if printing to the console, otherwise return the number of + * bytes written to the buffer. + * + * Note: If any single line is greater than ASC_PRTLINE_SIZE bytes the stack + * will be corrupted. 's[]' is defined to be ASC_PRTLINE_SIZE bytes. */ -int -advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) +static int asc_prt_line(char *buf, int buflen, char *fmt, ...) { - struct Scsi_Host *shp; - asc_board_t *boardp; - ulong flags; - struct scsi_cmnd *done_scp; - - shp = scp->device->host; - boardp = ASC_BOARDP(shp); - ASC_STATS(shp, queuecommand); - - /* host_lock taken by mid-level prior to call but need to protect */ - /* against own ISR */ - spin_lock_irqsave(&boardp->lock, flags); - - /* - * Block new commands while handling a reset or abort request. - */ - if (boardp->flags & ASC_HOST_IN_RESET) { - ASC_DBG1(1, - "advansys_queuecommand: scp 0x%lx blocked for reset request\n", - (ulong) scp); - scp->result = HOST_BYTE(DID_RESET); - - /* - * Add blocked requests to the board's 'done' queue. The queued - * requests will be completed at the end of the abort or reset - * handling. - */ - asc_enqueue(&boardp->done, scp, ASC_BACK); - spin_unlock_irqrestore(&boardp->lock, flags); - return 0; - } + va_list args; + int ret; + char s[ASC_PRTLINE_SIZE]; - /* - * Attempt to execute any waiting commands for the board. - */ - if (!ASC_QUEUE_EMPTY(&boardp->waiting)) { - ASC_DBG(1, - "advansys_queuecommand: before asc_execute_queue() waiting\n"); - asc_execute_queue(&boardp->waiting); - } - - /* - * Save the function pointer to Linux mid-level 'done' function - * and attempt to execute the command. - * - * If ASC_NOERROR is returned the request has been added to the - * board's 'active' queue and will be completed by the interrupt - * handler. - * - * If ASC_BUSY is returned add the request to the board's per - * target waiting list. This is the first time the request has - * been tried. Add it to the back of the waiting list. It will be - * retried later. - * - * If an error occurred, the request will have been placed on the - * board's 'done' queue and must be completed before returning. - */ - scp->scsi_done = done; - switch (asc_execute_scsi_cmnd(scp)) { - case ASC_NOERROR: - break; - case ASC_BUSY: - asc_enqueue(&boardp->waiting, scp, ASC_BACK); - break; - case ASC_ERROR: - default: - done_scp = asc_dequeue_list(&boardp->done, NULL, ASC_TID_ALL); - /* Interrupts could be enabled here. */ - asc_scsi_done_list(done_scp); - break; - } - spin_unlock_irqrestore(&boardp->lock, flags); - - return 0; + va_start(args, fmt); + ret = vsprintf(s, fmt, args); + BUG_ON(ret >= ASC_PRTLINE_SIZE); + if (buf == NULL) { + (void)printk(s); + ret = 0; + } else { + ret = min(buflen, ret); + memcpy(buf, s, ret); + } + va_end(args); + return ret; } /* - * advansys_reset() + * asc_prt_board_devices() * - * Reset the bus associated with the command 'scp'. + * Print driver information for devices attached to the board. * - * This function runs its own thread. Interrupts must be blocked but - * sleeping is allowed and no locking other than for host structures is - * required. Returns SUCCESS or FAILED. - */ -int -advansys_reset(struct scsi_cmnd *scp) -{ - struct Scsi_Host *shp; - asc_board_t *boardp; - ASC_DVC_VAR *asc_dvc_varp; - ADV_DVC_VAR *adv_dvc_varp; - ulong flags; - struct scsi_cmnd *done_scp = NULL, *last_scp = NULL; - struct scsi_cmnd *tscp, *new_last_scp; - int status; - int ret = SUCCESS; - - ASC_DBG1(1, "advansys_reset: 0x%lx\n", (ulong) scp); - -#ifdef ADVANSYS_STATS - if (scp->device->host != NULL) { - ASC_STATS(scp->device->host, reset); - } -#endif /* ADVANSYS_STATS */ + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +static int asc_prt_board_devices(struct Scsi_Host *shost, char *cp, int cplen) +{ + struct asc_board *boardp = shost_priv(shost); + int leftlen; + int totlen; + int len; + int chip_scsi_id; + int i; - if ((shp = scp->device->host) == NULL) { - scp->result = HOST_BYTE(DID_ERROR); - return FAILED; - } + leftlen = cplen; + totlen = len = 0; - boardp = ASC_BOARDP(shp); - - ASC_PRINT1("advansys_reset: board %d: SCSI bus reset started...\n", - boardp->id); - /* - * Check for re-entrancy. - */ - spin_lock_irqsave(&boardp->lock, flags); - if (boardp->flags & ASC_HOST_IN_RESET) { - spin_unlock_irqrestore(&boardp->lock, flags); - return FAILED; - } - boardp->flags |= ASC_HOST_IN_RESET; - spin_unlock_irqrestore(&boardp->lock, flags); - - if (ASC_NARROW_BOARD(boardp)) { - /* - * Narrow Board - */ - asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; - - /* - * Reset the chip and SCSI bus. - */ - ASC_DBG(1, "advansys_reset: before AscInitAsc1000Driver()\n"); - status = AscInitAsc1000Driver(asc_dvc_varp); - - /* Refer to ASC_IERR_* defintions for meaning of 'err_code'. */ - if (asc_dvc_varp->err_code) { - ASC_PRINT2( - "advansys_reset: board %d: SCSI bus reset error: 0x%x\n", - boardp->id, asc_dvc_varp->err_code); - ret = FAILED; - } else if (status) { - ASC_PRINT2( - "advansys_reset: board %d: SCSI bus reset warning: 0x%x\n", - boardp->id, status); - } else { - ASC_PRINT1( - "advansys_reset: board %d: SCSI bus reset successful.\n", - boardp->id); - } - - ASC_DBG(1, "advansys_reset: after AscInitAsc1000Driver()\n"); - spin_lock_irqsave(&boardp->lock, flags); - - } else { - /* - * Wide Board - * - * If the suggest reset bus flags are set, then reset the bus. - * Otherwise only reset the device. - */ - adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; - - /* - * Reset the target's SCSI bus. - */ - ASC_DBG(1, "advansys_reset: before AdvResetChipAndSB()\n"); - switch (AdvResetChipAndSB(adv_dvc_varp)) { - case ASC_TRUE: - ASC_PRINT1("advansys_reset: board %d: SCSI bus reset successful.\n", - boardp->id); - break; - case ASC_FALSE: - default: - ASC_PRINT1("advansys_reset: board %d: SCSI bus reset error.\n", - boardp->id); - ret = FAILED; - break; - } - spin_lock_irqsave(&boardp->lock, flags); - (void) AdvISR(adv_dvc_varp); - } - /* Board lock is held. */ - - /* - * Dequeue all board 'done' requests. A pointer to the last request - * is returned in 'last_scp'. - */ - done_scp = asc_dequeue_list(&boardp->done, &last_scp, ASC_TID_ALL); - - /* - * Dequeue all board 'active' requests for all devices and set - * the request status to DID_RESET. A pointer to the last request - * is returned in 'last_scp'. - */ - if (done_scp == NULL) { - done_scp = asc_dequeue_list(&boardp->active, &last_scp, ASC_TID_ALL); - for (tscp = done_scp; tscp; tscp = REQPNEXT(tscp)) { - tscp->result = HOST_BYTE(DID_RESET); - } - } else { - /* Append to 'done_scp' at the end with 'last_scp'. */ - ASC_ASSERT(last_scp != NULL); - last_scp->host_scribble = (unsigned char *)asc_dequeue_list( - &boardp->active, &new_last_scp, ASC_TID_ALL); - if (new_last_scp != NULL) { - ASC_ASSERT(REQPNEXT(last_scp) != NULL); - for (tscp = REQPNEXT(last_scp); tscp; tscp = REQPNEXT(tscp)) { - tscp->result = HOST_BYTE(DID_RESET); - } - last_scp = new_last_scp; - } - } + len = asc_prt_line(cp, leftlen, + "\nDevice Information for AdvanSys SCSI Host %d:\n", + shost->host_no); + ASC_PRT_NEXT(); - /* - * Dequeue all 'waiting' requests and set the request status - * to DID_RESET. - */ - if (done_scp == NULL) { - done_scp = asc_dequeue_list(&boardp->waiting, &last_scp, ASC_TID_ALL); - for (tscp = done_scp; tscp; tscp = REQPNEXT(tscp)) { - tscp->result = HOST_BYTE(DID_RESET); - } - } else { - /* Append to 'done_scp' at the end with 'last_scp'. */ - ASC_ASSERT(last_scp != NULL); - last_scp->host_scribble = (unsigned char *)asc_dequeue_list( - &boardp->waiting, &new_last_scp, ASC_TID_ALL); - if (new_last_scp != NULL) { - ASC_ASSERT(REQPNEXT(last_scp) != NULL); - for (tscp = REQPNEXT(last_scp); tscp; tscp = REQPNEXT(tscp)) { - tscp->result = HOST_BYTE(DID_RESET); - } - last_scp = new_last_scp; - } - } + if (ASC_NARROW_BOARD(boardp)) { + chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; + } else { + chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; + } - /* Save the time of the most recently completed reset. */ - boardp->last_reset = jiffies; + len = asc_prt_line(cp, leftlen, "Target IDs Detected:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) { + len = asc_prt_line(cp, leftlen, " %X,", i); + ASC_PRT_NEXT(); + } + } + len = asc_prt_line(cp, leftlen, " (%X=Host Adapter)\n", chip_scsi_id); + ASC_PRT_NEXT(); - /* Clear reset flag. */ - boardp->flags &= ~ASC_HOST_IN_RESET; - spin_unlock_irqrestore(&boardp->lock, flags); + return totlen; +} - /* - * Complete all the 'done_scp' requests. - */ - if (done_scp != NULL) { - asc_scsi_done_list(done_scp); - } +/* + * Display Wide Board BIOS Information. + */ +static int asc_prt_adv_bios(struct Scsi_Host *shost, char *cp, int cplen) +{ + struct asc_board *boardp = shost_priv(shost); + int leftlen; + int totlen; + int len; + ushort major, minor, letter; + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, "\nROM BIOS Version: "); + ASC_PRT_NEXT(); + + /* + * If the BIOS saved a valid signature, then fill in + * the BIOS code segment base address. + */ + if (boardp->bios_signature != 0x55AA) { + len = asc_prt_line(cp, leftlen, "Disabled or Pre-3.1\n"); + ASC_PRT_NEXT(); + len = asc_prt_line(cp, leftlen, + "BIOS either disabled or Pre-3.1. If it is pre-3.1, then a newer version\n"); + ASC_PRT_NEXT(); + len = asc_prt_line(cp, leftlen, + "can be found at the ConnectCom FTP site: ftp://ftp.connectcom.net/pub\n"); + ASC_PRT_NEXT(); + } else { + major = (boardp->bios_version >> 12) & 0xF; + minor = (boardp->bios_version >> 8) & 0xF; + letter = (boardp->bios_version & 0xFF); - ASC_DBG1(1, "advansys_reset: ret %d\n", ret); + len = asc_prt_line(cp, leftlen, "%d.%d%c\n", + major, minor, + letter >= 26 ? '?' : letter + 'A'); + ASC_PRT_NEXT(); - return ret; + /* + * Current available ROM BIOS release is 3.1I for UW + * and 3.2I for U2W. This code doesn't differentiate + * UW and U2W boards. + */ + if (major < 3 || (major <= 3 && minor < 1) || + (major <= 3 && minor <= 1 && letter < ('I' - 'A'))) { + len = asc_prt_line(cp, leftlen, + "Newer version of ROM BIOS is available at the ConnectCom FTP site:\n"); + ASC_PRT_NEXT(); + len = asc_prt_line(cp, leftlen, + "ftp://ftp.connectcom.net/pub\n"); + ASC_PRT_NEXT(); + } + } + + return totlen; } /* - * advansys_biosparam() + * Add serial number to information bar if signature AAh + * is found in at bit 15-9 (7 bits) of word 1. * - * Translate disk drive geometry if the "BIOS greater than 1 GB" - * support is enabled for a drive. + * Serial Number consists fo 12 alpha-numeric digits. * - * ip (information pointer) is an int array with the following definition: - * ip[0]: heads - * ip[1]: sectors - * ip[2]: cylinders - */ -int -advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev, - sector_t capacity, int ip[]) -{ - asc_board_t *boardp; - - ASC_DBG(1, "advansys_biosparam: begin\n"); - ASC_STATS(sdev->host, biosparam); - boardp = ASC_BOARDP(sdev->host); - if (ASC_NARROW_BOARD(boardp)) { - if ((boardp->dvc_var.asc_dvc_var.dvc_cntl & - ASC_CNTL_BIOS_GT_1GB) && capacity > 0x200000) { - ip[0] = 255; - ip[1] = 63; - } else { - ip[0] = 64; - ip[1] = 32; - } - } else { - if ((boardp->dvc_var.adv_dvc_var.bios_ctrl & - BIOS_CTRL_EXTENDED_XLAT) && capacity > 0x200000) { - ip[0] = 255; - ip[1] = 63; - } else { - ip[0] = 64; - ip[1] = 32; - } - } - ip[2] = (unsigned long)capacity / (ip[0] * ip[1]); - ASC_DBG(1, "advansys_biosparam: end\n"); - return 0; -} - -/* - * advansys_setup() + * 1 - Product type (A,B,C,D..) Word0: 15-13 (3 bits) + * 2 - MFG Location (A,B,C,D..) Word0: 12-10 (3 bits) + * 3-4 - Product ID (0-99) Word0: 9-0 (10 bits) + * 5 - Product revision (A-J) Word0: " " * - * This function is called from init/main.c at boot time. - * It it passed LILO parameters that can be set from the - * LILO command line or in /etc/lilo.conf. + * Signature Word1: 15-9 (7 bits) + * 6 - Year (0-9) Word1: 8-6 (3 bits) & Word2: 15 (1 bit) + * 7-8 - Week of the year (1-52) Word1: 5-0 (6 bits) * - * It is used by the AdvanSys driver to either disable I/O - * port scanning or to limit scanning to 1 - 4 I/O ports. - * Regardless of the option setting EISA and PCI boards - * will still be searched for and detected. This option - * only affects searching for ISA and VL boards. + * 9-12 - Serial Number (A001-Z999) Word2: 14-0 (15 bits) * - * If ADVANSYS_DEBUG is defined the driver debug level may - * be set using the 5th (ASC_NUM_IOPORT_PROBE + 1) I/O Port. + * Note 1: Only production cards will have a serial number. * - * Examples: - * 1. Eliminate I/O port scanning: - * boot: linux advansys= - * or - * boot: linux advansys=0x0 - * 2. Limit I/O port scanning to one I/O port: - * boot: linux advansys=0x110 - * 3. Limit I/O port scanning to four I/O ports: - * boot: linux advansys=0x110,0x210,0x230,0x330 - * 4. If ADVANSYS_DEBUG, limit I/O port scanning to four I/O ports and - * set the driver debug level to 2. - * boot: linux advansys=0x110,0x210,0x230,0x330,0xdeb2 + * Note 2: Signature is most significant 7 bits (0xFE). * - * ints[0] - number of arguments - * ints[1] - first argument - * ints[2] - second argument - * ... + * Returns ASC_TRUE if serial number found, otherwise returns ASC_FALSE. */ -void __init -advansys_setup(char *str, int *ints) +static int asc_get_eeprom_string(ushort *serialnum, uchar *cp) { - int i; - - if (asc_iopflag == ASC_TRUE) { - printk("AdvanSys SCSI: 'advansys' LILO option may appear only once\n"); - return; - } - - asc_iopflag = ASC_TRUE; + ushort w, num; - if (ints[0] > ASC_NUM_IOPORT_PROBE) { -#ifdef ADVANSYS_DEBUG - if ((ints[0] == ASC_NUM_IOPORT_PROBE + 1) && - (ints[ASC_NUM_IOPORT_PROBE + 1] >> 4 == 0xdeb)) { - asc_dbglvl = ints[ASC_NUM_IOPORT_PROBE + 1] & 0xf; - } else { -#endif /* ADVANSYS_DEBUG */ - printk("AdvanSys SCSI: only %d I/O ports accepted\n", - ASC_NUM_IOPORT_PROBE); -#ifdef ADVANSYS_DEBUG - } -#endif /* ADVANSYS_DEBUG */ - } + if ((serialnum[1] & 0xFE00) != ((ushort)0xAA << 8)) { + return ASC_FALSE; + } else { + /* + * First word - 6 digits. + */ + w = serialnum[0]; -#ifdef ADVANSYS_DEBUG - ASC_DBG1(1, "advansys_setup: ints[0] %d\n", ints[0]); - for (i = 1; i < ints[0]; i++) { - ASC_DBG2(1, " ints[%d] 0x%x", i, ints[i]); - } - ASC_DBG(1, "\n"); -#endif /* ADVANSYS_DEBUG */ + /* Product type - 1st digit. */ + if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') { + /* Product type is P=Prototype */ + *cp += 0x8; + } + cp++; - for (i = 1; i <= ints[0] && i <= ASC_NUM_IOPORT_PROBE; i++) { - asc_ioport[i-1] = ints[i]; - ASC_DBG2(1, "advansys_setup: asc_ioport[%d] 0x%x\n", - i - 1, asc_ioport[i-1]); - } -} + /* Manufacturing location - 2nd digit. */ + *cp++ = 'A' + ((w & 0x1C00) >> 10); + /* Product ID - 3rd, 4th digits. */ + num = w & 0x3FF; + *cp++ = '0' + (num / 100); + num %= 100; + *cp++ = '0' + (num / 10); -/* - * --- Loadable Driver Support - */ + /* Product revision - 5th digit. */ + *cp++ = 'A' + (num % 10); -static struct scsi_host_template driver_template = { - .proc_name = "advansys", -#ifdef CONFIG_PROC_FS - .proc_info = advansys_proc_info, -#endif - .name = "advansys", - .detect = advansys_detect, - .release = advansys_release, - .info = advansys_info, - .queuecommand = advansys_queuecommand, - .eh_bus_reset_handler = advansys_reset, - .bios_param = advansys_biosparam, - .slave_configure = advansys_slave_configure, - /* - * Because the driver may control an ISA adapter 'unchecked_isa_dma' - * must be set. The flag will be cleared in advansys_detect for non-ISA - * adapters. Refer to the comment in scsi_module.c for more information. - */ - .unchecked_isa_dma = 1, - /* - * All adapters controlled by this driver are capable of large - * scatter-gather lists. According to the mid-level SCSI documentation - * this obviates any performance gain provided by setting - * 'use_clustering'. But empirically while CPU utilization is increased - * by enabling clustering, I/O throughput increases as well. - */ - .use_clustering = ENABLE_CLUSTERING, -}; -#include "scsi_module.c" + /* + * Second word + */ + w = serialnum[1]; + /* + * Year - 6th digit. + * + * If bit 15 of third word is set, then the + * last digit of the year is greater than 7. + */ + if (serialnum[2] & 0x8000) { + *cp++ = '8' + ((w & 0x1C0) >> 6); + } else { + *cp++ = '0' + ((w & 0x1C0) >> 6); + } + + /* Week of year - 7th, 8th digits. */ + num = w & 0x003F; + *cp++ = '0' + num / 10; + num %= 10; + *cp++ = '0' + num; -/* - * --- Miscellaneous Driver Functions - */ + /* + * Third word + */ + w = serialnum[2] & 0x7FFF; + + /* Serial number - 9th digit. */ + *cp++ = 'A' + (w / 1000); + + /* 10th, 11th, 12th digits. */ + num = w % 1000; + *cp++ = '0' + num / 100; + num %= 100; + *cp++ = '0' + num / 10; + num %= 10; + *cp++ = '0' + num; + + *cp = '\0'; /* Null Terminate the string. */ + return ASC_TRUE; + } +} /* - * First-level interrupt handler. + * asc_prt_asc_board_eeprom() + * + * Print board EEPROM configuration. + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). * - * 'dev_id' is a pointer to the interrupting adapter's asc_board_t. Because - * all boards are currently checked for interrupts on each interrupt, 'dev_id' - * is not referenced. 'dev_id' could be used to identify an interrupt passed - * to the AdvanSys driver which is for a device sharing an interrupt with - * an AdvanSys adapter. + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. */ -STATIC irqreturn_t -advansys_interrupt(int irq, void *dev_id) +static int asc_prt_asc_board_eeprom(struct Scsi_Host *shost, char *cp, int cplen) { - ulong flags; - int i; - asc_board_t *boardp; - struct scsi_cmnd *done_scp = NULL, *last_scp = NULL; - struct scsi_cmnd *new_last_scp; - struct Scsi_Host *shp; - - ASC_DBG(1, "advansys_interrupt: begin\n"); - - /* - * Check for interrupts on all boards. - * AscISR() will call asc_isr_callback(). - */ - for (i = 0; i < asc_board_count; i++) { - shp = asc_host[i]; - boardp = ASC_BOARDP(shp); - ASC_DBG2(2, "advansys_interrupt: i %d, boardp 0x%lx\n", - i, (ulong) boardp); - spin_lock_irqsave(&boardp->lock, flags); - if (ASC_NARROW_BOARD(boardp)) { - /* - * Narrow Board - */ - if (AscIsIntPending(shp->io_port)) { - ASC_STATS(shp, interrupt); - ASC_DBG(1, "advansys_interrupt: before AscISR()\n"); - AscISR(&boardp->dvc_var.asc_dvc_var); - } - } else { - /* - * Wide Board - */ - ASC_DBG(1, "advansys_interrupt: before AdvISR()\n"); - if (AdvISR(&boardp->dvc_var.adv_dvc_var)) { - ASC_STATS(shp, interrupt); - } - } - - /* - * Start waiting requests and create a list of completed requests. - * - * If a reset request is being performed for the board, the reset - * handler will complete pending requests after it has completed. - */ - if ((boardp->flags & ASC_HOST_IN_RESET) == 0) { - ASC_DBG2(1, "advansys_interrupt: done_scp 0x%lx, last_scp 0x%lx\n", - (ulong) done_scp, (ulong) last_scp); - - /* Start any waiting commands for the board. */ - if (!ASC_QUEUE_EMPTY(&boardp->waiting)) { - ASC_DBG(1, "advansys_interrupt: before asc_execute_queue()\n"); - asc_execute_queue(&boardp->waiting); - } - - /* - * Add to the list of requests that must be completed. - * - * 'done_scp' will always be NULL on the first iteration - * of this loop. 'last_scp' is set at the same time as - * 'done_scp'. - */ - if (done_scp == NULL) { - done_scp = asc_dequeue_list(&boardp->done, &last_scp, - ASC_TID_ALL); - } else { - ASC_ASSERT(last_scp != NULL); - last_scp->host_scribble = (unsigned char *)asc_dequeue_list( - &boardp->done, &new_last_scp, ASC_TID_ALL); - if (new_last_scp != NULL) { - ASC_ASSERT(REQPNEXT(last_scp) != NULL); - last_scp = new_last_scp; - } - } - } - spin_unlock_irqrestore(&boardp->lock, flags); - } + struct asc_board *boardp = shost_priv(shost); + ASC_DVC_VAR *asc_dvc_varp; + int leftlen; + int totlen; + int len; + ASCEEP_CONFIG *ep; + int i; +#ifdef CONFIG_ISA + int isa_dma_speed[] = { 10, 8, 7, 6, 5, 4, 3, 2 }; +#endif /* CONFIG_ISA */ + uchar serialstr[13]; - /* - * If interrupts were enabled on entry, then they - * are now enabled here. - * - * Complete all requests on the done list. - */ + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; + ep = &boardp->eep_config.asc_eep; - asc_scsi_done_list(done_scp); + leftlen = cplen; + totlen = len = 0; - ASC_DBG(1, "advansys_interrupt: end\n"); - return IRQ_HANDLED; -} + len = asc_prt_line(cp, leftlen, + "\nEEPROM Settings for AdvanSys SCSI Host %d:\n", + shost->host_no); + ASC_PRT_NEXT(); -/* - * Set the number of commands to queue per device for the - * specified host adapter. - */ -STATIC int -advansys_slave_configure(struct scsi_device *device) -{ - asc_board_t *boardp; - - boardp = ASC_BOARDP(device->host); - boardp->flags |= ASC_SELECT_QUEUE_DEPTHS; - /* - * Save a pointer to the device and set its initial/maximum - * queue depth. Only save the pointer for a lun0 dev though. - */ - if(device->lun == 0) - boardp->device[device->id] = device; - if(device->tagged_supported) { - if (ASC_NARROW_BOARD(boardp)) { - scsi_adjust_queue_depth(device, MSG_ORDERED_TAG, - boardp->dvc_var.asc_dvc_var.max_dvc_qng[device->id]); - } else { - scsi_adjust_queue_depth(device, MSG_ORDERED_TAG, - boardp->dvc_var.adv_dvc_var.max_dvc_qng); - } - } else { - scsi_adjust_queue_depth(device, 0, device->host->cmd_per_lun); - } - ASC_DBG4(1, "advansys_slave_configure: device 0x%lx, boardp 0x%lx, id %d, depth %d\n", - (ulong) device, (ulong) boardp, device->id, device->queue_depth); - return 0; + if (asc_get_eeprom_string((ushort *)&ep->adapter_info[0], serialstr) + == ASC_TRUE) { + len = + asc_prt_line(cp, leftlen, " Serial Number: %s\n", + serialstr); + ASC_PRT_NEXT(); + } else { + if (ep->adapter_info[5] == 0xBB) { + len = asc_prt_line(cp, leftlen, + " Default Settings Used for EEPROM-less Adapter.\n"); + ASC_PRT_NEXT(); + } else { + len = asc_prt_line(cp, leftlen, + " Serial Number Signature Not Present.\n"); + ASC_PRT_NEXT(); + } + } + + len = asc_prt_line(cp, leftlen, + " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", + ASC_EEP_GET_CHIP_ID(ep), ep->max_total_qng, + ep->max_tag_qng); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " cntl 0x%x, no_scam 0x%x\n", ep->cntl, ep->no_scam); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Target ID: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %d", i); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Disconnects: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep-> + disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' : + 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Command Queuing: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep-> + use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : + 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Start Motor: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep-> + start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' : + 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Synchronous Transfer:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep-> + init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' : + 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + +#ifdef CONFIG_ISA + if (asc_dvc_varp->bus_type & ASC_IS_ISA) { + len = asc_prt_line(cp, leftlen, + " Host ISA DMA speed: %d MB/S\n", + isa_dma_speed[ASC_EEP_GET_DMA_SPD(ep)]); + ASC_PRT_NEXT(); + } +#endif /* CONFIG_ISA */ + + return totlen; } /* - * Complete all requests on the singly linked list pointed - * to by 'scp'. + * asc_prt_adv_board_eeprom() + * + * Print board EEPROM configuration. + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). * - * Interrupts can be enabled on entry. + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. */ -STATIC void -asc_scsi_done_list(struct scsi_cmnd *scp) -{ - struct scsi_cmnd *tscp; +static int asc_prt_adv_board_eeprom(struct Scsi_Host *shost, char *cp, int cplen) +{ + struct asc_board *boardp = shost_priv(shost); + ADV_DVC_VAR *adv_dvc_varp; + int leftlen; + int totlen; + int len; + int i; + char *termstr; + uchar serialstr[13]; + ADVEEP_3550_CONFIG *ep_3550 = NULL; + ADVEEP_38C0800_CONFIG *ep_38C0800 = NULL; + ADVEEP_38C1600_CONFIG *ep_38C1600 = NULL; + ushort word; + ushort *wordp; + ushort sdtr_speed = 0; + + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + ep_3550 = &boardp->eep_config.adv_3550_eep; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + ep_38C0800 = &boardp->eep_config.adv_38C0800_eep; + } else { + ep_38C1600 = &boardp->eep_config.adv_38C1600_eep; + } - ASC_DBG(2, "asc_scsi_done_list: begin\n"); - while (scp != NULL) { - asc_board_t *boardp; - struct device *dev; + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, + "\nEEPROM Settings for AdvanSys SCSI Host %d:\n", + shost->host_no); + ASC_PRT_NEXT(); + + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + wordp = &ep_3550->serial_number_word1; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + wordp = &ep_38C0800->serial_number_word1; + } else { + wordp = &ep_38C1600->serial_number_word1; + } + + if (asc_get_eeprom_string(wordp, serialstr) == ASC_TRUE) { + len = + asc_prt_line(cp, leftlen, " Serial Number: %s\n", + serialstr); + ASC_PRT_NEXT(); + } else { + len = asc_prt_line(cp, leftlen, + " Serial Number Signature Not Present.\n"); + ASC_PRT_NEXT(); + } + + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + len = asc_prt_line(cp, leftlen, + " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", + ep_3550->adapter_scsi_id, + ep_3550->max_host_qng, ep_3550->max_dvc_qng); + ASC_PRT_NEXT(); + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + len = asc_prt_line(cp, leftlen, + " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", + ep_38C0800->adapter_scsi_id, + ep_38C0800->max_host_qng, + ep_38C0800->max_dvc_qng); + ASC_PRT_NEXT(); + } else { + len = asc_prt_line(cp, leftlen, + " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", + ep_38C1600->adapter_scsi_id, + ep_38C1600->max_host_qng, + ep_38C1600->max_dvc_qng); + ASC_PRT_NEXT(); + } + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + word = ep_3550->termination; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + word = ep_38C0800->termination_lvd; + } else { + word = ep_38C1600->termination_lvd; + } + switch (word) { + case 1: + termstr = "Low Off/High Off"; + break; + case 2: + termstr = "Low Off/High On"; + break; + case 3: + termstr = "Low On/High On"; + break; + default: + case 0: + termstr = "Automatic"; + break; + } - ASC_DBG1(3, "asc_scsi_done_list: scp 0x%lx\n", (ulong) scp); - tscp = REQPNEXT(scp); - scp->host_scribble = NULL; + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + len = asc_prt_line(cp, leftlen, + " termination: %u (%s), bios_ctrl: 0x%x\n", + ep_3550->termination, termstr, + ep_3550->bios_ctrl); + ASC_PRT_NEXT(); + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + len = asc_prt_line(cp, leftlen, + " termination: %u (%s), bios_ctrl: 0x%x\n", + ep_38C0800->termination_lvd, termstr, + ep_38C0800->bios_ctrl); + ASC_PRT_NEXT(); + } else { + len = asc_prt_line(cp, leftlen, + " termination: %u (%s), bios_ctrl: 0x%x\n", + ep_38C1600->termination_lvd, termstr, + ep_38C1600->bios_ctrl); + ASC_PRT_NEXT(); + } - boardp = ASC_BOARDP(scp->device->host); + len = asc_prt_line(cp, leftlen, " Target ID: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %X", i); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); - if (ASC_NARROW_BOARD(boardp)) - dev = boardp->dvc_cfg.asc_dvc_cfg.dev; - else - dev = boardp->dvc_cfg.adv_dvc_cfg.dev; + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + word = ep_3550->disc_enable; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + word = ep_38C0800->disc_enable; + } else { + word = ep_38C1600->disc_enable; + } + len = asc_prt_line(cp, leftlen, " Disconnects: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); - if (scp->use_sg) - dma_unmap_sg(dev, (struct scatterlist *)scp->request_buffer, - scp->use_sg, scp->sc_data_direction); - else if (scp->request_bufflen) - dma_unmap_single(dev, scp->SCp.dma_handle, - scp->request_bufflen, scp->sc_data_direction); + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + word = ep_3550->tagqng_able; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + word = ep_38C0800->tagqng_able; + } else { + word = ep_38C1600->tagqng_able; + } + len = asc_prt_line(cp, leftlen, " Command Queuing: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); - ASC_STATS(scp->device->host, done); - ASC_ASSERT(scp->scsi_done != NULL); + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + word = ep_3550->start_motor; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + word = ep_38C0800->start_motor; + } else { + word = ep_38C1600->start_motor; + } + len = asc_prt_line(cp, leftlen, " Start Motor: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + len = asc_prt_line(cp, leftlen, " Synchronous Transfer:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep_3550-> + sdtr_able & ADV_TID_TO_TIDMASK(i)) ? + 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + } - scp->scsi_done(scp); + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + len = asc_prt_line(cp, leftlen, " Ultra Transfer: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep_3550-> + ultra_able & ADV_TID_TO_TIDMASK(i)) + ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + } - scp = tscp; - } - ASC_DBG(2, "asc_scsi_done_list: done\n"); - return; + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + word = ep_3550->wdtr_able; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + word = ep_38C0800->wdtr_able; + } else { + word = ep_38C1600->wdtr_able; + } + len = asc_prt_line(cp, leftlen, " Wide Transfer: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800 || + adv_dvc_varp->chip_type == ADV_CHIP_ASC38C1600) { + len = asc_prt_line(cp, leftlen, + " Synchronous Transfer Speed (Mhz):\n "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + char *speed_str; + + if (i == 0) { + sdtr_speed = adv_dvc_varp->sdtr_speed1; + } else if (i == 4) { + sdtr_speed = adv_dvc_varp->sdtr_speed2; + } else if (i == 8) { + sdtr_speed = adv_dvc_varp->sdtr_speed3; + } else if (i == 12) { + sdtr_speed = adv_dvc_varp->sdtr_speed4; + } + switch (sdtr_speed & ADV_MAX_TID) { + case 0: + speed_str = "Off"; + break; + case 1: + speed_str = " 5"; + break; + case 2: + speed_str = " 10"; + break; + case 3: + speed_str = " 20"; + break; + case 4: + speed_str = " 40"; + break; + case 5: + speed_str = " 80"; + break; + default: + speed_str = "Unk"; + break; + } + len = asc_prt_line(cp, leftlen, "%X:%s ", i, speed_str); + ASC_PRT_NEXT(); + if (i == 7) { + len = asc_prt_line(cp, leftlen, "\n "); + ASC_PRT_NEXT(); + } + sdtr_speed >>= 4; + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + } + + return totlen; } /* - * Execute a single 'Scsi_Cmnd'. - * - * The function 'done' is called when the request has been completed. - * - * Scsi_Cmnd: - * - * host - board controlling device - * device - device to send command - * target - target of device - * lun - lun of device - * cmd_len - length of SCSI CDB - * cmnd - buffer for SCSI 8, 10, or 12 byte CDB - * use_sg - if non-zero indicates scatter-gather request with use_sg elements - * - * if (use_sg == 0) { - * request_buffer - buffer address for request - * request_bufflen - length of request buffer - * } else { - * request_buffer - pointer to scatterlist structure - * } - * - * sense_buffer - sense command buffer - * - * result (4 bytes of an int): - * Byte Meaning - * 0 SCSI Status Byte Code - * 1 SCSI One Byte Message Code - * 2 Host Error Code - * 3 Mid-Level Error Code - * - * host driver fields: - * SCp - Scsi_Pointer used for command processing status - * scsi_done - used to save caller's done function - * host_scribble - used for pointer to another struct scsi_cmnd - * - * If this function returns ASC_NOERROR the request has been enqueued - * on the board's 'active' queue and will be completed from the - * interrupt handler. + * asc_prt_driver_conf() * - * If this function returns ASC_NOERROR the request has been enqueued - * on the board's 'done' queue and must be completed by the caller. + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). * - * If ASC_BUSY is returned the request will be enqueued by the - * caller on the target's waiting queue and re-tried later. + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. */ -STATIC int -asc_execute_scsi_cmnd(struct scsi_cmnd *scp) -{ - asc_board_t *boardp; - ASC_DVC_VAR *asc_dvc_varp; - ADV_DVC_VAR *adv_dvc_varp; - ADV_SCSI_REQ_Q *adv_scsiqp; - struct scsi_device *device; - int ret; - - ASC_DBG2(1, "asc_execute_scsi_cmnd: scp 0x%lx, done 0x%lx\n", - (ulong) scp, (ulong) scp->scsi_done); - - boardp = ASC_BOARDP(scp->device->host); - device = boardp->device[scp->device->id]; - - if (ASC_NARROW_BOARD(boardp)) { - /* - * Build and execute Narrow Board request. - */ - - asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; - - /* - * Build Asc Library request structure using the - * global structures 'asc_scsi_req' and 'asc_sg_head'. - * - * If an error is returned, then the request has been - * queued on the board done queue. It will be completed - * by the caller. - * - * asc_build_req() can not return ASC_BUSY. - */ - if (asc_build_req(boardp, scp) == ASC_ERROR) { - ASC_STATS(scp->device->host, build_error); - return ASC_ERROR; - } - - /* - * Execute the command. If there is no error, add the command - * to the active queue. - */ - switch (ret = AscExeScsiQueue(asc_dvc_varp, &asc_scsi_q)) { - case ASC_NOERROR: - ASC_STATS(scp->device->host, exe_noerror); - /* - * Increment monotonically increasing per device successful - * request counter. Wrapping doesn't matter. - */ - boardp->reqcnt[scp->device->id]++; - asc_enqueue(&boardp->active, scp, ASC_BACK); - ASC_DBG(1, - "asc_execute_scsi_cmnd: AscExeScsiQueue(), ASC_NOERROR\n"); - break; - case ASC_BUSY: - /* - * Caller will enqueue request on the target's waiting queue - * and retry later. - */ - ASC_STATS(scp->device->host, exe_busy); - break; - case ASC_ERROR: - ASC_PRINT2( -"asc_execute_scsi_cmnd: board %d: AscExeScsiQueue() ASC_ERROR, err_code 0x%x\n", - boardp->id, asc_dvc_varp->err_code); - ASC_STATS(scp->device->host, exe_error); - scp->result = HOST_BYTE(DID_ERROR); - asc_enqueue(&boardp->done, scp, ASC_BACK); - break; - default: - ASC_PRINT2( -"asc_execute_scsi_cmnd: board %d: AscExeScsiQueue() unknown, err_code 0x%x\n", - boardp->id, asc_dvc_varp->err_code); - ASC_STATS(scp->device->host, exe_unknown); - scp->result = HOST_BYTE(DID_ERROR); - asc_enqueue(&boardp->done, scp, ASC_BACK); - break; - } - } else { - /* - * Build and execute Wide Board request. - */ - adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; - - /* - * Build and get a pointer to an Adv Library request structure. - * - * If the request is successfully built then send it below, - * otherwise return with an error. - */ - switch (adv_build_req(boardp, scp, &adv_scsiqp)) { - case ASC_NOERROR: - ASC_DBG(3, "asc_execute_scsi_cmnd: adv_build_req ASC_NOERROR\n"); - break; - case ASC_BUSY: - ASC_DBG(1, "asc_execute_scsi_cmnd: adv_build_req ASC_BUSY\n"); - /* - * If busy is returned the request has not been enqueued. - * It will be enqueued by the caller on the target's waiting - * queue and retried later. - * - * The asc_stats fields 'adv_build_noreq' and 'adv_build_nosg' - * count wide board busy conditions. They are updated in - * adv_build_req and adv_get_sglist, respectively. - */ - return ASC_BUSY; - case ASC_ERROR: - /* - * If an error is returned, then the request has been - * queued on the board done queue. It will be completed - * by the caller. - */ - default: - ASC_DBG(1, "asc_execute_scsi_cmnd: adv_build_req ASC_ERROR\n"); - ASC_STATS(scp->device->host, build_error); - return ASC_ERROR; - } - - /* - * Execute the command. If there is no error, add the command - * to the active queue. - */ - switch (ret = AdvExeScsiQueue(adv_dvc_varp, adv_scsiqp)) { - case ASC_NOERROR: - ASC_STATS(scp->device->host, exe_noerror); - /* - * Increment monotonically increasing per device successful - * request counter. Wrapping doesn't matter. - */ - boardp->reqcnt[scp->device->id]++; - asc_enqueue(&boardp->active, scp, ASC_BACK); - ASC_DBG(1, - "asc_execute_scsi_cmnd: AdvExeScsiQueue(), ASC_NOERROR\n"); - break; - case ASC_BUSY: - /* - * Caller will enqueue request on the target's waiting queue - * and retry later. - */ - ASC_STATS(scp->device->host, exe_busy); - break; - case ASC_ERROR: - ASC_PRINT2( -"asc_execute_scsi_cmnd: board %d: AdvExeScsiQueue() ASC_ERROR, err_code 0x%x\n", - boardp->id, adv_dvc_varp->err_code); - ASC_STATS(scp->device->host, exe_error); - scp->result = HOST_BYTE(DID_ERROR); - asc_enqueue(&boardp->done, scp, ASC_BACK); - break; - default: - ASC_PRINT2( -"asc_execute_scsi_cmnd: board %d: AdvExeScsiQueue() unknown, err_code 0x%x\n", - boardp->id, adv_dvc_varp->err_code); - ASC_STATS(scp->device->host, exe_unknown); - scp->result = HOST_BYTE(DID_ERROR); - asc_enqueue(&boardp->done, scp, ASC_BACK); - break; - } - } +static int asc_prt_driver_conf(struct Scsi_Host *shost, char *cp, int cplen) +{ + struct asc_board *boardp = shost_priv(shost); + int leftlen; + int totlen; + int len; + int chip_scsi_id; + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, + "\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n", + shost->host_no); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " host_busy %u, last_reset %u, max_id %u, max_lun %u, max_channel %u\n", + shost->host_busy, shost->last_reset, shost->max_id, + shost->max_lun, shost->max_channel); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n", + shost->unique_id, shost->can_queue, shost->this_id, + shost->sg_tablesize, shost->cmd_per_lun); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " unchecked_isa_dma %d, use_clustering %d\n", + shost->unchecked_isa_dma, shost->use_clustering); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " flags 0x%x, last_reset 0x%x, jiffies 0x%x, asc_n_io_port 0x%x\n", + boardp->flags, boardp->last_reset, jiffies, + boardp->asc_n_io_port); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " io_port 0x%x\n", shost->io_port); + ASC_PRT_NEXT(); + + if (ASC_NARROW_BOARD(boardp)) { + chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; + } else { + chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; + } - ASC_DBG(1, "asc_execute_scsi_cmnd: end\n"); - return ret; + return totlen; } /* - * Build a request structure for the Asc Library (Narrow Board). + * asc_prt_asc_board_info() * - * The global structures 'asc_scsi_q' and 'asc_sg_head' are - * used to build the request. + * Print dynamic board configuration information. + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). * - * If an error occurs, then queue the request on the board done - * queue and return ASC_ERROR. + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. */ -STATIC int -asc_build_req(asc_board_t *boardp, struct scsi_cmnd *scp) -{ - struct device *dev = boardp->dvc_cfg.asc_dvc_cfg.dev; - - /* - * Mutually exclusive access is required to 'asc_scsi_q' and - * 'asc_sg_head' until after the request is started. - */ - memset(&asc_scsi_q, 0, sizeof(ASC_SCSI_Q)); - - /* - * Point the ASC_SCSI_Q to the 'struct scsi_cmnd'. - */ - asc_scsi_q.q2.srb_ptr = ASC_VADDR_TO_U32(scp); - - /* - * Build the ASC_SCSI_Q request. - * - * For narrow boards a CDB length maximum of 12 bytes - * is supported. - */ - if (scp->cmd_len > ASC_MAX_CDB_LEN) { - ASC_PRINT3( -"asc_build_req: board %d: cmd_len %d > ASC_MAX_CDB_LEN %d\n", - boardp->id, scp->cmd_len, ASC_MAX_CDB_LEN); - scp->result = HOST_BYTE(DID_ERROR); - asc_enqueue(&boardp->done, scp, ASC_BACK); - return ASC_ERROR; - } - asc_scsi_q.cdbptr = &scp->cmnd[0]; - asc_scsi_q.q2.cdb_len = scp->cmd_len; - asc_scsi_q.q1.target_id = ASC_TID_TO_TARGET_ID(scp->device->id); - asc_scsi_q.q1.target_lun = scp->device->lun; - asc_scsi_q.q2.target_ix = ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun); - asc_scsi_q.q1.sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0])); - asc_scsi_q.q1.sense_len = sizeof(scp->sense_buffer); - - /* - * If there are any outstanding requests for the current target, - * then every 255th request send an ORDERED request. This heuristic - * tries to retain the benefit of request sorting while preventing - * request starvation. 255 is the max number of tags or pending commands - * a device may have outstanding. - * - * The request count is incremented below for every successfully - * started request. - * - */ - if ((boardp->dvc_var.asc_dvc_var.cur_dvc_qng[scp->device->id] > 0) && - (boardp->reqcnt[scp->device->id] % 255) == 0) { - asc_scsi_q.q2.tag_code = MSG_ORDERED_TAG; - } else { - asc_scsi_q.q2.tag_code = MSG_SIMPLE_TAG; - } - - /* - * Build ASC_SCSI_Q for a contiguous buffer or a scatter-gather - * buffer command. - */ - if (scp->use_sg == 0) { - /* - * CDB request of single contiguous buffer. - */ - ASC_STATS(scp->device->host, cont_cnt); - scp->SCp.dma_handle = scp->request_bufflen ? - dma_map_single(dev, scp->request_buffer, - scp->request_bufflen, scp->sc_data_direction) : 0; - asc_scsi_q.q1.data_addr = cpu_to_le32(scp->SCp.dma_handle); - asc_scsi_q.q1.data_cnt = cpu_to_le32(scp->request_bufflen); - ASC_STATS_ADD(scp->device->host, cont_xfer, - ASC_CEILING(scp->request_bufflen, 512)); - asc_scsi_q.q1.sg_queue_cnt = 0; - asc_scsi_q.sg_head = NULL; - } else { - /* - * CDB scatter-gather request list. - */ - int sgcnt; - int use_sg; - struct scatterlist *slp; - - slp = (struct scatterlist *)scp->request_buffer; - use_sg = dma_map_sg(dev, slp, scp->use_sg, scp->sc_data_direction); - - if (use_sg > scp->device->host->sg_tablesize) { - ASC_PRINT3( -"asc_build_req: board %d: use_sg %d > sg_tablesize %d\n", - boardp->id, use_sg, scp->device->host->sg_tablesize); - dma_unmap_sg(dev, slp, scp->use_sg, scp->sc_data_direction); - scp->result = HOST_BYTE(DID_ERROR); - asc_enqueue(&boardp->done, scp, ASC_BACK); - return ASC_ERROR; - } - - ASC_STATS(scp->device->host, sg_cnt); - - /* - * Use global ASC_SG_HEAD structure and set the ASC_SCSI_Q - * structure to point to it. - */ - memset(&asc_sg_head, 0, sizeof(ASC_SG_HEAD)); - - asc_scsi_q.q1.cntl |= QC_SG_HEAD; - asc_scsi_q.sg_head = &asc_sg_head; - asc_scsi_q.q1.data_cnt = 0; - asc_scsi_q.q1.data_addr = 0; - /* This is a byte value, otherwise it would need to be swapped. */ - asc_sg_head.entry_cnt = asc_scsi_q.q1.sg_queue_cnt = use_sg; - ASC_STATS_ADD(scp->device->host, sg_elem, asc_sg_head.entry_cnt); - - /* - * Convert scatter-gather list into ASC_SG_HEAD list. - */ - for (sgcnt = 0; sgcnt < use_sg; sgcnt++, slp++) { - asc_sg_head.sg_list[sgcnt].addr = cpu_to_le32(sg_dma_address(slp)); - asc_sg_head.sg_list[sgcnt].bytes = cpu_to_le32(sg_dma_len(slp)); - ASC_STATS_ADD(scp->device->host, sg_xfer, ASC_CEILING(sg_dma_len(slp), 512)); - } - } +static int asc_prt_asc_board_info(struct Scsi_Host *shost, char *cp, int cplen) +{ + struct asc_board *boardp = shost_priv(shost); + int chip_scsi_id; + int leftlen; + int totlen; + int len; + ASC_DVC_VAR *v; + ASC_DVC_CFG *c; + int i; + int renegotiate = 0; + + v = &boardp->dvc_var.asc_dvc_var; + c = &boardp->dvc_cfg.asc_dvc_cfg; + chip_scsi_id = c->chip_scsi_id; + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, + "\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n", + shost->host_no); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " chip_version %u, mcode_date 0x%x, " + "mcode_version 0x%x, err_code %u\n", + c->chip_version, c->mcode_date, c->mcode_version, + v->err_code); + ASC_PRT_NEXT(); + + /* Current number of commands waiting for the host. */ + len = asc_prt_line(cp, leftlen, + " Total Command Pending: %d\n", v->cur_total_qng); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Command Queuing:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + len = asc_prt_line(cp, leftlen, " %X:%c", + i, + (v-> + use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ? + 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + /* Current number of commands waiting for a device. */ + len = asc_prt_line(cp, leftlen, " Command Queue Pending:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + len = asc_prt_line(cp, leftlen, " %X:%u", i, v->cur_dvc_qng[i]); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + /* Current limit on number of commands that can be sent to a device. */ + len = asc_prt_line(cp, leftlen, " Command Queue Limit:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + len = asc_prt_line(cp, leftlen, " %X:%u", i, v->max_dvc_qng[i]); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + /* Indicate whether the device has returned queue full status. */ + len = asc_prt_line(cp, leftlen, " Command Queue Full:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + if (boardp->queue_full & ADV_TID_TO_TIDMASK(i)) { + len = asc_prt_line(cp, leftlen, " %X:Y-%d", + i, boardp->queue_full_cnt[i]); + } else { + len = asc_prt_line(cp, leftlen, " %X:N", i); + } + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Synchronous Transfer:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + len = asc_prt_line(cp, leftlen, " %X:%c", + i, + (v-> + sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' : + 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + for (i = 0; i <= ASC_MAX_TID; i++) { + uchar syn_period_ix; + + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) || + ((v->init_sdtr & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:", i); + ASC_PRT_NEXT(); + + if ((boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET) == 0) { + len = asc_prt_line(cp, leftlen, " Asynchronous"); + ASC_PRT_NEXT(); + } else { + syn_period_ix = + (boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index - + 1); + + len = asc_prt_line(cp, leftlen, + " Transfer Period Factor: %d (%d.%d Mhz),", + v->sdtr_period_tbl[syn_period_ix], + 250 / + v->sdtr_period_tbl[syn_period_ix], + ASC_TENTHS(250, + v-> + sdtr_period_tbl + [syn_period_ix])); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d", + boardp-> + sdtr_data[i] & ASC_SYN_MAX_OFFSET); + ASC_PRT_NEXT(); + } + + if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) { + len = asc_prt_line(cp, leftlen, "*\n"); + renegotiate = 1; + } else { + len = asc_prt_line(cp, leftlen, "\n"); + } + ASC_PRT_NEXT(); + } - ASC_DBG_PRT_ASC_SCSI_Q(2, &asc_scsi_q); - ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len); + if (renegotiate) { + len = asc_prt_line(cp, leftlen, + " * = Re-negotiation pending before next command.\n"); + ASC_PRT_NEXT(); + } - return ASC_NOERROR; + return totlen; } /* - * Build a request structure for the Adv Library (Wide Board). + * asc_prt_adv_board_info() * - * If an adv_req_t can not be allocated to issue the request, - * then return ASC_BUSY. If an error occurs, then return ASC_ERROR. + * Print dynamic board configuration information. * - * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the - * microcode for DMA addresses or math operations are byte swapped - * to little-endian order. + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. */ -STATIC int -adv_build_req(asc_board_t *boardp, struct scsi_cmnd *scp, - ADV_SCSI_REQ_Q **adv_scsiqpp) -{ - adv_req_t *reqp; - ADV_SCSI_REQ_Q *scsiqp; - int i; - int ret; - struct device *dev = boardp->dvc_cfg.adv_dvc_cfg.dev; - - /* - * Allocate an adv_req_t structure from the board to execute - * the command. - */ - if (boardp->adv_reqp == NULL) { - ASC_DBG(1, "adv_build_req: no free adv_req_t\n"); - ASC_STATS(scp->device->host, adv_build_noreq); - return ASC_BUSY; - } else { - reqp = boardp->adv_reqp; - boardp->adv_reqp = reqp->next_reqp; - reqp->next_reqp = NULL; - } - - /* - * Get 32-byte aligned ADV_SCSI_REQ_Q and ADV_SG_BLOCK pointers. - */ - scsiqp = (ADV_SCSI_REQ_Q *) ADV_32BALIGN(&reqp->scsi_req_q); - - /* - * Initialize the structure. - */ - scsiqp->cntl = scsiqp->scsi_cntl = scsiqp->done_status = 0; - - /* - * Set the ADV_SCSI_REQ_Q 'srb_ptr' to point to the adv_req_t structure. - */ - scsiqp->srb_ptr = ASC_VADDR_TO_U32(reqp); - - /* - * Set the adv_req_t 'cmndp' to point to the struct scsi_cmnd structure. - */ - reqp->cmndp = scp; - - /* - * Build the ADV_SCSI_REQ_Q request. - */ - - /* - * Set CDB length and copy it to the request structure. - * For wide boards a CDB length maximum of 16 bytes - * is supported. - */ - if (scp->cmd_len > ADV_MAX_CDB_LEN) { - ASC_PRINT3( -"adv_build_req: board %d: cmd_len %d > ADV_MAX_CDB_LEN %d\n", - boardp->id, scp->cmd_len, ADV_MAX_CDB_LEN); - scp->result = HOST_BYTE(DID_ERROR); - asc_enqueue(&boardp->done, scp, ASC_BACK); - return ASC_ERROR; - } - scsiqp->cdb_len = scp->cmd_len; - /* Copy first 12 CDB bytes to cdb[]. */ - for (i = 0; i < scp->cmd_len && i < 12; i++) { - scsiqp->cdb[i] = scp->cmnd[i]; - } - /* Copy last 4 CDB bytes, if present, to cdb16[]. */ - for (; i < scp->cmd_len; i++) { - scsiqp->cdb16[i - 12] = scp->cmnd[i]; - } - - scsiqp->target_id = scp->device->id; - scsiqp->target_lun = scp->device->lun; - - scsiqp->sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0])); - scsiqp->sense_len = sizeof(scp->sense_buffer); - - /* - * Build ADV_SCSI_REQ_Q for a contiguous buffer or a scatter-gather - * buffer command. - */ - - scsiqp->data_cnt = cpu_to_le32(scp->request_bufflen); - scsiqp->vdata_addr = scp->request_buffer; - scsiqp->data_addr = cpu_to_le32(virt_to_bus(scp->request_buffer)); - - if (scp->use_sg == 0) { - /* - * CDB request of single contiguous buffer. - */ - reqp->sgblkp = NULL; - scsiqp->data_cnt = cpu_to_le32(scp->request_bufflen); - if (scp->request_bufflen) { - scsiqp->vdata_addr = scp->request_buffer; - scp->SCp.dma_handle = - dma_map_single(dev, scp->request_buffer, - scp->request_bufflen, scp->sc_data_direction); - } else { - scsiqp->vdata_addr = NULL; - scp->SCp.dma_handle = 0; - } - scsiqp->data_addr = cpu_to_le32(scp->SCp.dma_handle); - scsiqp->sg_list_ptr = NULL; - scsiqp->sg_real_addr = 0; - ASC_STATS(scp->device->host, cont_cnt); - ASC_STATS_ADD(scp->device->host, cont_xfer, - ASC_CEILING(scp->request_bufflen, 512)); - } else { - /* - * CDB scatter-gather request list. - */ - struct scatterlist *slp; - int use_sg; - - slp = (struct scatterlist *)scp->request_buffer; - use_sg = dma_map_sg(dev, slp, scp->use_sg, scp->sc_data_direction); - - if (use_sg > ADV_MAX_SG_LIST) { - ASC_PRINT3( -"adv_build_req: board %d: use_sg %d > ADV_MAX_SG_LIST %d\n", - boardp->id, use_sg, scp->device->host->sg_tablesize); - dma_unmap_sg(dev, slp, scp->use_sg, scp->sc_data_direction); - scp->result = HOST_BYTE(DID_ERROR); - asc_enqueue(&boardp->done, scp, ASC_BACK); - - /* - * Free the 'adv_req_t' structure by adding it back to the - * board free list. - */ - reqp->next_reqp = boardp->adv_reqp; - boardp->adv_reqp = reqp; - - return ASC_ERROR; - } - - if ((ret = adv_get_sglist(boardp, reqp, scp, use_sg)) != ADV_SUCCESS) { - /* - * Free the adv_req_t structure by adding it back to the - * board free list. - */ - reqp->next_reqp = boardp->adv_reqp; - boardp->adv_reqp = reqp; - - return ret; - } - - ASC_STATS(scp->device->host, sg_cnt); - ASC_STATS_ADD(scp->device->host, sg_elem, use_sg); - } - - ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp); - ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len); +static int asc_prt_adv_board_info(struct Scsi_Host *shost, char *cp, int cplen) +{ + struct asc_board *boardp = shost_priv(shost); + int leftlen; + int totlen; + int len; + int i; + ADV_DVC_VAR *v; + ADV_DVC_CFG *c; + AdvPortAddr iop_base; + ushort chip_scsi_id; + ushort lramword; + uchar lrambyte; + ushort tagqng_able; + ushort sdtr_able, wdtr_able; + ushort wdtr_done, sdtr_done; + ushort period = 0; + int renegotiate = 0; + + v = &boardp->dvc_var.adv_dvc_var; + c = &boardp->dvc_cfg.adv_dvc_cfg; + iop_base = v->iop_base; + chip_scsi_id = v->chip_scsi_id; + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, + "\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n", + shost->host_no); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " iop_base 0x%lx, cable_detect: %X, err_code %u\n", + v->iop_base, + AdvReadWordRegister(iop_base, + IOPW_SCSI_CFG1) & CABLE_DETECT, + v->err_code); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " chip_version %u, mcode_date 0x%x, " + "mcode_version 0x%x\n", c->chip_version, + c->mcode_date, c->mcode_version); + ASC_PRT_NEXT(); + + AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); + len = asc_prt_line(cp, leftlen, " Queuing Enabled:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:%c", + i, + (tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : + 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Queue Limit:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i, + lrambyte); + + len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " Command Pending:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i, + lrambyte); + + len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + len = asc_prt_line(cp, leftlen, " Wide Enabled:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:%c", + i, + (wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : + 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done); + len = asc_prt_line(cp, leftlen, " Transfer Bit Width:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + AdvReadWordLram(iop_base, + ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i), + lramword); + + len = asc_prt_line(cp, leftlen, " %X:%d", + i, (lramword & 0x8000) ? 16 : 8); + ASC_PRT_NEXT(); + + if ((wdtr_able & ADV_TID_TO_TIDMASK(i)) && + (wdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) { + len = asc_prt_line(cp, leftlen, "*"); + ASC_PRT_NEXT(); + renegotiate = 1; + } + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + len = asc_prt_line(cp, leftlen, " Synchronous Enabled:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:%c", + i, + (sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : + 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, sdtr_done); + for (i = 0; i <= ADV_MAX_TID; i++) { + + AdvReadWordLram(iop_base, + ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i), + lramword); + lramword &= ~0x8000; + + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) || + ((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:", i); + ASC_PRT_NEXT(); + + if ((lramword & 0x1F) == 0) { /* Check for REQ/ACK Offset 0. */ + len = asc_prt_line(cp, leftlen, " Asynchronous"); + ASC_PRT_NEXT(); + } else { + len = + asc_prt_line(cp, leftlen, + " Transfer Period Factor: "); + ASC_PRT_NEXT(); + + if ((lramword & 0x1F00) == 0x1100) { /* 80 Mhz */ + len = + asc_prt_line(cp, leftlen, "9 (80.0 Mhz),"); + ASC_PRT_NEXT(); + } else if ((lramword & 0x1F00) == 0x1000) { /* 40 Mhz */ + len = + asc_prt_line(cp, leftlen, "10 (40.0 Mhz),"); + ASC_PRT_NEXT(); + } else { /* 20 Mhz or below. */ + + period = (((lramword >> 8) * 25) + 50) / 4; + + if (period == 0) { /* Should never happen. */ + len = + asc_prt_line(cp, leftlen, + "%d (? Mhz), "); + ASC_PRT_NEXT(); + } else { + len = asc_prt_line(cp, leftlen, + "%d (%d.%d Mhz),", + period, 250 / period, + ASC_TENTHS(250, + period)); + ASC_PRT_NEXT(); + } + } + + len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d", + lramword & 0x1F); + ASC_PRT_NEXT(); + } + + if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) { + len = asc_prt_line(cp, leftlen, "*\n"); + renegotiate = 1; + } else { + len = asc_prt_line(cp, leftlen, "\n"); + } + ASC_PRT_NEXT(); + } - *adv_scsiqpp = scsiqp; + if (renegotiate) { + len = asc_prt_line(cp, leftlen, + " * = Re-negotiation pending before next command.\n"); + ASC_PRT_NEXT(); + } - return ASC_NOERROR; + return totlen; } /* - * Build scatter-gather list for Adv Library (Wide Board). - * - * Additional ADV_SG_BLOCK structures will need to be allocated - * if the total number of scatter-gather elements exceeds - * NO_OF_SG_PER_BLOCK (15). The ADV_SG_BLOCK structures are - * assumed to be physically contiguous. + * asc_proc_copy() * - * Return: - * ADV_SUCCESS(1) - SG List successfully created - * ADV_ERROR(-1) - SG List creation failed + * Copy proc information to a read buffer taking into account the current + * read offset in the file and the remaining space in the read buffer. */ -STATIC int -adv_get_sglist(asc_board_t *boardp, adv_req_t *reqp, struct scsi_cmnd *scp, int use_sg) -{ - adv_sgblk_t *sgblkp; - ADV_SCSI_REQ_Q *scsiqp; - struct scatterlist *slp; - int sg_elem_cnt; - ADV_SG_BLOCK *sg_block, *prev_sg_block; - ADV_PADDR sg_block_paddr; - int i; - - scsiqp = (ADV_SCSI_REQ_Q *) ADV_32BALIGN(&reqp->scsi_req_q); - slp = (struct scatterlist *) scp->request_buffer; - sg_elem_cnt = use_sg; - prev_sg_block = NULL; - reqp->sgblkp = NULL; - - do - { - /* - * Allocate a 'adv_sgblk_t' structure from the board free - * list. One 'adv_sgblk_t' structure holds NO_OF_SG_PER_BLOCK - * (15) scatter-gather elements. - */ - if ((sgblkp = boardp->adv_sgblkp) == NULL) { - ASC_DBG(1, "adv_get_sglist: no free adv_sgblk_t\n"); - ASC_STATS(scp->device->host, adv_build_nosg); - - /* - * Allocation failed. Free 'adv_sgblk_t' structures already - * allocated for the request. - */ - while ((sgblkp = reqp->sgblkp) != NULL) - { - /* Remove 'sgblkp' from the request list. */ - reqp->sgblkp = sgblkp->next_sgblkp; - - /* Add 'sgblkp' to the board free list. */ - sgblkp->next_sgblkp = boardp->adv_sgblkp; - boardp->adv_sgblkp = sgblkp; - } - return ASC_BUSY; - } else { - /* Complete 'adv_sgblk_t' board allocation. */ - boardp->adv_sgblkp = sgblkp->next_sgblkp; - sgblkp->next_sgblkp = NULL; - - /* - * Get 8 byte aligned virtual and physical addresses for - * the allocated ADV_SG_BLOCK structure. - */ - sg_block = (ADV_SG_BLOCK *) ADV_8BALIGN(&sgblkp->sg_block); - sg_block_paddr = virt_to_bus(sg_block); - - /* - * Check if this is the first 'adv_sgblk_t' for the request. - */ - if (reqp->sgblkp == NULL) - { - /* Request's first scatter-gather block. */ - reqp->sgblkp = sgblkp; - - /* - * Set ADV_SCSI_REQ_T ADV_SG_BLOCK virtual and physical - * address pointers. - */ - scsiqp->sg_list_ptr = sg_block; - scsiqp->sg_real_addr = cpu_to_le32(sg_block_paddr); - } else - { - /* Request's second or later scatter-gather block. */ - sgblkp->next_sgblkp = reqp->sgblkp; - reqp->sgblkp = sgblkp; - - /* - * Point the previous ADV_SG_BLOCK structure to - * the newly allocated ADV_SG_BLOCK structure. - */ - ASC_ASSERT(prev_sg_block != NULL); - prev_sg_block->sg_ptr = cpu_to_le32(sg_block_paddr); - } - } - - for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) - { - sg_block->sg_list[i].sg_addr = cpu_to_le32(sg_dma_address(slp)); - sg_block->sg_list[i].sg_count = cpu_to_le32(sg_dma_len(slp)); - ASC_STATS_ADD(scp->device->host, sg_xfer, ASC_CEILING(sg_dma_len(slp), 512)); - - if (--sg_elem_cnt == 0) - { /* Last ADV_SG_BLOCK and scatter-gather entry. */ - sg_block->sg_cnt = i + 1; - sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */ - return ADV_SUCCESS; - } - slp++; - } - sg_block->sg_cnt = NO_OF_SG_PER_BLOCK; - prev_sg_block = sg_block; - } - while (1); - /* NOTREACHED */ +static int +asc_proc_copy(off_t advoffset, off_t offset, char *curbuf, int leftlen, + char *cp, int cplen) +{ + int cnt = 0; + + ASC_DBG(2, "offset %d, advoffset %d, cplen %d\n", + (unsigned)offset, (unsigned)advoffset, cplen); + if (offset <= advoffset) { + /* Read offset below current offset, copy everything. */ + cnt = min(cplen, leftlen); + ASC_DBG(2, "curbuf 0x%lx, cp 0x%lx, cnt %d\n", + (ulong)curbuf, (ulong)cp, cnt); + memcpy(curbuf, cp, cnt); + } else if (offset < advoffset + cplen) { + /* Read offset within current range, partial copy. */ + cnt = (advoffset + cplen) - offset; + cp = (cp + cplen) - cnt; + cnt = min(cnt, leftlen); + ASC_DBG(2, "curbuf 0x%lx, cp 0x%lx, cnt %d\n", + (ulong)curbuf, (ulong)cp, cnt); + memcpy(curbuf, cp, cnt); + } + return cnt; } +#ifdef ADVANSYS_STATS /* - * asc_isr_callback() - Second Level Interrupt Handler called by AscISR(). + * asc_prt_board_stats() * - * Interrupt callback function for the Narrow SCSI Asc Library. - */ -STATIC void -asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep) -{ - asc_board_t *boardp; - struct scsi_cmnd *scp; - struct Scsi_Host *shp; - int i; - - ASC_DBG2(1, "asc_isr_callback: asc_dvc_varp 0x%lx, qdonep 0x%lx\n", - (ulong) asc_dvc_varp, (ulong) qdonep); - ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep); - - /* - * Get the struct scsi_cmnd structure and Scsi_Host structure for the - * command that has been completed. - */ - scp = (struct scsi_cmnd *) ASC_U32_TO_VADDR(qdonep->d2.srb_ptr); - ASC_DBG1(1, "asc_isr_callback: scp 0x%lx\n", (ulong) scp); - - if (scp == NULL) { - ASC_PRINT("asc_isr_callback: scp is NULL\n"); - return; - } - ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len); - - /* - * If the request's host pointer is not valid, display a - * message and return. - */ - shp = scp->device->host; - for (i = 0; i < asc_board_count; i++) { - if (asc_host[i] == shp) { - break; - } - } - if (i == asc_board_count) { - ASC_PRINT2( - "asc_isr_callback: scp 0x%lx has bad host pointer, host 0x%lx\n", - (ulong) scp, (ulong) shp); - return; - } + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +static int asc_prt_board_stats(struct Scsi_Host *shost, char *cp, int cplen) +{ + struct asc_board *boardp = shost_priv(shost); + struct asc_stats *s = &boardp->asc_stats; + + int leftlen = cplen; + int len, totlen = 0; + + len = asc_prt_line(cp, leftlen, + "\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n", + shost->host_no); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " queuecommand %lu, reset %lu, biosparam %lu, interrupt %lu\n", + s->queuecommand, s->reset, s->biosparam, + s->interrupt); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " callback %lu, done %lu, build_error %lu, build_noreq %lu, build_nosg %lu\n", + s->callback, s->done, s->build_error, + s->adv_build_noreq, s->adv_build_nosg); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " exe_noerror %lu, exe_busy %lu, exe_error %lu, exe_unknown %lu\n", + s->exe_noerror, s->exe_busy, s->exe_error, + s->exe_unknown); + ASC_PRT_NEXT(); + + /* + * Display data transfer statistics. + */ + if (s->xfer_cnt > 0) { + len = asc_prt_line(cp, leftlen, " xfer_cnt %lu, xfer_elem %lu, ", + s->xfer_cnt, s->xfer_elem); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, "xfer_bytes %lu.%01lu kb\n", + s->xfer_sect / 2, ASC_TENTHS(s->xfer_sect, 2)); + ASC_PRT_NEXT(); + + /* Scatter gather transfer statistics */ + len = asc_prt_line(cp, leftlen, " avg_num_elem %lu.%01lu, ", + s->xfer_elem / s->xfer_cnt, + ASC_TENTHS(s->xfer_elem, s->xfer_cnt)); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, "avg_elem_size %lu.%01lu kb, ", + (s->xfer_sect / 2) / s->xfer_elem, + ASC_TENTHS((s->xfer_sect / 2), s->xfer_elem)); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, "avg_xfer_size %lu.%01lu kb\n", + (s->xfer_sect / 2) / s->xfer_cnt, + ASC_TENTHS((s->xfer_sect / 2), s->xfer_cnt)); + ASC_PRT_NEXT(); + } - ASC_STATS(shp, callback); - ASC_DBG1(1, "asc_isr_callback: shp 0x%lx\n", (ulong) shp); - - /* - * If the request isn't found on the active queue, it may - * have been removed to handle a reset request. - * Display a message and return. - */ - boardp = ASC_BOARDP(shp); - ASC_ASSERT(asc_dvc_varp == &boardp->dvc_var.asc_dvc_var); - if (asc_rmqueue(&boardp->active, scp) == ASC_FALSE) { - ASC_PRINT2( - "asc_isr_callback: board %d: scp 0x%lx not on active queue\n", - boardp->id, (ulong) scp); - return; - } + return totlen; +} +#endif /* ADVANSYS_STATS */ - /* - * 'qdonep' contains the command's ending status. - */ - switch (qdonep->d3.done_stat) { - case QD_NO_ERROR: - ASC_DBG(2, "asc_isr_callback: QD_NO_ERROR\n"); - scp->result = 0; - - /* - * If an INQUIRY command completed successfully, then call - * the AscInquiryHandling() function to set-up the device. - */ - if (scp->cmnd[0] == INQUIRY && scp->device->lun == 0 && - (scp->request_bufflen - qdonep->remain_bytes) >= 8) - { - AscInquiryHandling(asc_dvc_varp, scp->device->id & 0x7, - (ASC_SCSI_INQUIRY *) scp->request_buffer); - } - - /* - * Check for an underrun condition. - * - * If there was no error and an underrun condition, then - * then return the number of underrun bytes. - */ - if (scp->request_bufflen != 0 && qdonep->remain_bytes != 0 && - qdonep->remain_bytes <= scp->request_bufflen) { - ASC_DBG1(1, "asc_isr_callback: underrun condition %u bytes\n", - (unsigned) qdonep->remain_bytes); - scp->resid = qdonep->remain_bytes; - } - break; - - case QD_WITH_ERROR: - ASC_DBG(2, "asc_isr_callback: QD_WITH_ERROR\n"); - switch (qdonep->d3.host_stat) { - case QHSTA_NO_ERROR: - if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) { - ASC_DBG(2, "asc_isr_callback: SAM_STAT_CHECK_CONDITION\n"); - ASC_DBG_PRT_SENSE(2, scp->sense_buffer, - sizeof(scp->sense_buffer)); - /* - * Note: The 'status_byte()' macro used by target drivers - * defined in scsi.h shifts the status byte returned by - * host drivers right by 1 bit. This is why target drivers - * also use right shifted status byte definitions. For - * instance target drivers use CHECK_CONDITION, defined to - * 0x1, instead of the SCSI defined check condition value - * of 0x2. Host drivers are supposed to return the status - * byte as it is defined by SCSI. - */ - scp->result = DRIVER_BYTE(DRIVER_SENSE) | - STATUS_BYTE(qdonep->d3.scsi_stat); - } else { - scp->result = STATUS_BYTE(qdonep->d3.scsi_stat); - } - break; - - default: - /* QHSTA error occurred */ - ASC_DBG1(1, "asc_isr_callback: host_stat 0x%x\n", - qdonep->d3.host_stat); - scp->result = HOST_BYTE(DID_BAD_TARGET); - break; - } - break; - - case QD_ABORTED_BY_HOST: - ASC_DBG(1, "asc_isr_callback: QD_ABORTED_BY_HOST\n"); - scp->result = HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3.scsi_msg) | - STATUS_BYTE(qdonep->d3.scsi_stat); - break; - - default: - ASC_DBG1(1, "asc_isr_callback: done_stat 0x%x\n", qdonep->d3.done_stat); - scp->result = HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3.scsi_msg) | - STATUS_BYTE(qdonep->d3.scsi_stat); - break; - } +/* + * advansys_proc_info() - /proc/scsi/advansys/{0,1,2,3,...} + * + * *buffer: I/O buffer + * **start: if inout == FALSE pointer into buffer where user read should start + * offset: current offset into a /proc/scsi/advansys/[0...] file + * length: length of buffer + * hostno: Scsi_Host host_no + * inout: TRUE - user is writing; FALSE - user is reading + * + * Return the number of bytes read from or written to a + * /proc/scsi/advansys/[0...] file. + * + * Note: This function uses the per board buffer 'prtbuf' which is + * allocated when the board is initialized in advansys_detect(). The + * buffer is ASC_PRTBUF_SIZE bytes. The function asc_proc_copy() is + * used to write to the buffer. The way asc_proc_copy() is written + * if 'prtbuf' is too small it will not be overwritten. Instead the + * user just won't get all the available statistics. + */ +static int +advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start, + off_t offset, int length, int inout) +{ + struct asc_board *boardp = shost_priv(shost); + char *cp; + int cplen; + int cnt; + int totcnt; + int leftlen; + char *curbuf; + off_t advoffset; + + ASC_DBG(1, "begin\n"); + + /* + * User write not supported. + */ + if (inout == TRUE) + return -ENOSYS; + + /* + * User read of /proc/scsi/advansys/[0...] file. + */ + + /* Copy read data starting at the beginning of the buffer. */ + *start = buffer; + curbuf = buffer; + advoffset = 0; + totcnt = 0; + leftlen = length; + + /* + * Get board configuration information. + * + * advansys_info() returns the board string from its own static buffer. + */ + cp = (char *)advansys_info(shost); + strcat(cp, "\n"); + cplen = strlen(cp); + /* Copy board information. */ + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG(1, "totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + + /* + * Display Wide Board BIOS Information. + */ + if (!ASC_NARROW_BOARD(boardp)) { + cp = boardp->prtbuf; + cplen = asc_prt_adv_bios(shost, cp, ASC_PRTBUF_SIZE); + BUG_ON(cplen >= ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, + cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG(1, "totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + } - /* - * If the 'init_tidmask' bit isn't already set for the target and the - * current request finished normally, then set the bit for the target - * to indicate that a device is present. - */ - if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 && - qdonep->d3.done_stat == QD_NO_ERROR && - qdonep->d3.host_stat == QHSTA_NO_ERROR) { - boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id); - } + /* + * Display driver information for each device attached to the board. + */ + cp = boardp->prtbuf; + cplen = asc_prt_board_devices(shost, cp, ASC_PRTBUF_SIZE); + BUG_ON(cplen >= ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG(1, "totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + + /* + * Display EEPROM configuration for the board. + */ + cp = boardp->prtbuf; + if (ASC_NARROW_BOARD(boardp)) { + cplen = asc_prt_asc_board_eeprom(shost, cp, ASC_PRTBUF_SIZE); + } else { + cplen = asc_prt_adv_board_eeprom(shost, cp, ASC_PRTBUF_SIZE); + } + BUG_ON(cplen >= ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG(1, "totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + + /* + * Display driver configuration and information for the board. + */ + cp = boardp->prtbuf; + cplen = asc_prt_driver_conf(shost, cp, ASC_PRTBUF_SIZE); + BUG_ON(cplen >= ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG(1, "totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; - /* - * Because interrupts may be enabled by the 'struct scsi_cmnd' done - * function, add the command to the end of the board's done queue. - * The done function for the command will be called from - * advansys_interrupt(). - */ - asc_enqueue(&boardp->done, scp, ASC_BACK); +#ifdef ADVANSYS_STATS + /* + * Display driver statistics for the board. + */ + cp = boardp->prtbuf; + cplen = asc_prt_board_stats(shost, cp, ASC_PRTBUF_SIZE); + BUG_ON(cplen >= ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG(1, "totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; +#endif /* ADVANSYS_STATS */ - return; + /* + * Display Asc Library dynamic configuration information + * for the board. + */ + cp = boardp->prtbuf; + if (ASC_NARROW_BOARD(boardp)) { + cplen = asc_prt_asc_board_info(shost, cp, ASC_PRTBUF_SIZE); + } else { + cplen = asc_prt_adv_board_info(shost, cp, ASC_PRTBUF_SIZE); + } + BUG_ON(cplen >= ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG(1, "totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + + ASC_DBG(1, "totcnt %d\n", totcnt); + + return totcnt; } +#endif /* CONFIG_PROC_FS */ -/* - * adv_isr_callback() - Second Level Interrupt Handler called by AdvISR(). - * - * Callback function for the Wide SCSI Adv Library. - */ -STATIC void -adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp) +static void asc_scsi_done(struct scsi_cmnd *scp) { - asc_board_t *boardp; - adv_req_t *reqp; - adv_sgblk_t *sgblkp; - struct scsi_cmnd *scp; - struct Scsi_Host *shp; - int i; - ADV_DCNT resid_cnt; - - - ASC_DBG2(1, "adv_isr_callback: adv_dvc_varp 0x%lx, scsiqp 0x%lx\n", - (ulong) adv_dvc_varp, (ulong) scsiqp); - ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp); - - /* - * Get the adv_req_t structure for the command that has been - * completed. The adv_req_t structure actually contains the - * completed ADV_SCSI_REQ_Q structure. - */ - reqp = (adv_req_t *) ADV_U32_TO_VADDR(scsiqp->srb_ptr); - ASC_DBG1(1, "adv_isr_callback: reqp 0x%lx\n", (ulong) reqp); - if (reqp == NULL) { - ASC_PRINT("adv_isr_callback: reqp is NULL\n"); - return; - } + scsi_dma_unmap(scp); + ASC_STATS(scp->device->host, done); + scp->scsi_done(scp); +} - /* - * Get the struct scsi_cmnd structure and Scsi_Host structure for the - * command that has been completed. - * - * Note: The adv_req_t request structure and adv_sgblk_t structure, - * if any, are dropped, because a board structure pointer can not be - * determined. - */ - scp = reqp->cmndp; - ASC_DBG1(1, "adv_isr_callback: scp 0x%lx\n", (ulong) scp); - if (scp == NULL) { - ASC_PRINT("adv_isr_callback: scp is NULL; adv_req_t dropped.\n"); - return; - } - ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len); - - /* - * If the request's host pointer is not valid, display a message - * and return. - */ - shp = scp->device->host; - for (i = 0; i < asc_board_count; i++) { - if (asc_host[i] == shp) { - break; - } - } - /* - * Note: If the host structure is not found, the adv_req_t request - * structure and adv_sgblk_t structure, if any, is dropped. - */ - if (i == asc_board_count) { - ASC_PRINT2( - "adv_isr_callback: scp 0x%lx has bad host pointer, host 0x%lx\n", - (ulong) scp, (ulong) shp); - return; - } +static void AscSetBank(PortAddr iop_base, uchar bank) +{ + uchar val; - ASC_STATS(shp, callback); - ASC_DBG1(1, "adv_isr_callback: shp 0x%lx\n", (ulong) shp); - - /* - * If the request isn't found on the active queue, it may have been - * removed to handle a reset request. Display a message and return. - * - * Note: Because the structure may still be in use don't attempt - * to free the adv_req_t and adv_sgblk_t, if any, structures. - */ - boardp = ASC_BOARDP(shp); - ASC_ASSERT(adv_dvc_varp == &boardp->dvc_var.adv_dvc_var); - if (asc_rmqueue(&boardp->active, scp) == ASC_FALSE) { - ASC_PRINT2( - "adv_isr_callback: board %d: scp 0x%lx not on active queue\n", - boardp->id, (ulong) scp); - return; - } + val = AscGetChipControl(iop_base) & + (~ + (CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET | + CC_CHIP_RESET)); + if (bank == 1) { + val |= CC_BANK_ONE; + } else if (bank == 2) { + val |= CC_DIAG | CC_BANK_ONE; + } else { + val &= ~CC_BANK_ONE; + } + AscSetChipControl(iop_base, val); +} - /* - * 'done_status' contains the command's ending status. - */ - switch (scsiqp->done_status) { - case QD_NO_ERROR: - ASC_DBG(2, "adv_isr_callback: QD_NO_ERROR\n"); - scp->result = 0; - - /* - * Check for an underrun condition. - * - * If there was no error and an underrun condition, then - * then return the number of underrun bytes. - */ - resid_cnt = le32_to_cpu(scsiqp->data_cnt); - if (scp->request_bufflen != 0 && resid_cnt != 0 && - resid_cnt <= scp->request_bufflen) { - ASC_DBG1(1, "adv_isr_callback: underrun condition %lu bytes\n", - (ulong) resid_cnt); - scp->resid = resid_cnt; - } - break; - - case QD_WITH_ERROR: - ASC_DBG(2, "adv_isr_callback: QD_WITH_ERROR\n"); - switch (scsiqp->host_status) { - case QHSTA_NO_ERROR: - if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) { - ASC_DBG(2, "adv_isr_callback: SAM_STAT_CHECK_CONDITION\n"); - ASC_DBG_PRT_SENSE(2, scp->sense_buffer, - sizeof(scp->sense_buffer)); - /* - * Note: The 'status_byte()' macro used by target drivers - * defined in scsi.h shifts the status byte returned by - * host drivers right by 1 bit. This is why target drivers - * also use right shifted status byte definitions. For - * instance target drivers use CHECK_CONDITION, defined to - * 0x1, instead of the SCSI defined check condition value - * of 0x2. Host drivers are supposed to return the status - * byte as it is defined by SCSI. - */ - scp->result = DRIVER_BYTE(DRIVER_SENSE) | - STATUS_BYTE(scsiqp->scsi_status); - } else { - scp->result = STATUS_BYTE(scsiqp->scsi_status); - } - break; - - default: - /* Some other QHSTA error occurred. */ - ASC_DBG1(1, "adv_isr_callback: host_status 0x%x\n", - scsiqp->host_status); - scp->result = HOST_BYTE(DID_BAD_TARGET); - break; - } - break; - - case QD_ABORTED_BY_HOST: - ASC_DBG(1, "adv_isr_callback: QD_ABORTED_BY_HOST\n"); - scp->result = HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status); - break; - - default: - ASC_DBG1(1, "adv_isr_callback: done_status 0x%x\n", scsiqp->done_status); - scp->result = HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status); - break; - } +static void AscSetChipIH(PortAddr iop_base, ushort ins_code) +{ + AscSetBank(iop_base, 1); + AscWriteChipIH(iop_base, ins_code); + AscSetBank(iop_base, 0); +} - /* - * If the 'init_tidmask' bit isn't already set for the target and the - * current request finished normally, then set the bit for the target - * to indicate that a device is present. - */ - if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 && - scsiqp->done_status == QD_NO_ERROR && - scsiqp->host_status == QHSTA_NO_ERROR) { - boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id); - } +static int AscStartChip(PortAddr iop_base) +{ + AscSetChipControl(iop_base, 0); + if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) { + return (0); + } + return (1); +} - /* - * Because interrupts may be enabled by the 'struct scsi_cmnd' done - * function, add the command to the end of the board's done queue. - * The done function for the command will be called from - * advansys_interrupt(). - */ - asc_enqueue(&boardp->done, scp, ASC_BACK); - - /* - * Free all 'adv_sgblk_t' structures allocated for the request. - */ - while ((sgblkp = reqp->sgblkp) != NULL) - { - /* Remove 'sgblkp' from the request list. */ - reqp->sgblkp = sgblkp->next_sgblkp; - - /* Add 'sgblkp' to the board free list. */ - sgblkp->next_sgblkp = boardp->adv_sgblkp; - boardp->adv_sgblkp = sgblkp; - } +static int AscStopChip(PortAddr iop_base) +{ + uchar cc_val; - /* - * Free the adv_req_t structure used with the command by adding - * it back to the board free list. - */ - reqp->next_reqp = boardp->adv_reqp; - boardp->adv_reqp = reqp; + cc_val = + AscGetChipControl(iop_base) & + (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG)); + AscSetChipControl(iop_base, (uchar)(cc_val | CC_HALT)); + AscSetChipIH(iop_base, INS_HALT); + AscSetChipIH(iop_base, INS_RFLAG_WTM); + if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) { + return (0); + } + return (1); +} + +static int AscIsChipHalted(PortAddr iop_base) +{ + if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) { + if ((AscGetChipControl(iop_base) & CC_HALT) != 0) { + return (1); + } + } + return (0); +} - ASC_DBG(1, "adv_isr_callback: done\n"); +static int AscResetChipAndScsiBus(ASC_DVC_VAR *asc_dvc) +{ + PortAddr iop_base; + int i = 10; - return; + iop_base = asc_dvc->iop_base; + while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE) + && (i-- > 0)) { + mdelay(100); + } + AscStopChip(iop_base); + AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT); + udelay(60); + AscSetChipIH(iop_base, INS_RFLAG_WTM); + AscSetChipIH(iop_base, INS_HALT); + AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT); + AscSetChipControl(iop_base, CC_HALT); + mdelay(200); + AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT); + AscSetChipStatus(iop_base, 0); + return (AscIsChipHalted(iop_base)); +} + +static int AscFindSignature(PortAddr iop_base) +{ + ushort sig_word; + + ASC_DBG(1, "AscGetChipSignatureByte(0x%x) 0x%x\n", + iop_base, AscGetChipSignatureByte(iop_base)); + if (AscGetChipSignatureByte(iop_base) == (uchar)ASC_1000_ID1B) { + ASC_DBG(1, "AscGetChipSignatureWord(0x%x) 0x%x\n", + iop_base, AscGetChipSignatureWord(iop_base)); + sig_word = AscGetChipSignatureWord(iop_base); + if ((sig_word == (ushort)ASC_1000_ID0W) || + (sig_word == (ushort)ASC_1000_ID0W_FIX)) { + return (1); + } + } + return (0); } -/* - * adv_async_callback() - Adv Library asynchronous event callback function. - */ -STATIC void -adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code) +static void AscEnableInterrupt(PortAddr iop_base) { - switch (code) - { - case ADV_ASYNC_SCSI_BUS_RESET_DET: - /* - * The firmware detected a SCSI Bus reset. - */ - ASC_DBG(0, "adv_async_callback: ADV_ASYNC_SCSI_BUS_RESET_DET\n"); - break; - - case ADV_ASYNC_RDMA_FAILURE: - /* - * Handle RDMA failure by resetting the SCSI Bus and - * possibly the chip if it is unresponsive. Log the error - * with a unique code. - */ - ASC_DBG(0, "adv_async_callback: ADV_ASYNC_RDMA_FAILURE\n"); - AdvResetChipAndSB(adv_dvc_varp); - break; - - case ADV_HOST_SCSI_BUS_RESET: - /* - * Host generated SCSI bus reset occurred. - */ - ASC_DBG(0, "adv_async_callback: ADV_HOST_SCSI_BUS_RESET\n"); - break; - - default: - ASC_DBG1(0, "DvcAsyncCallBack: unknown code 0x%x\n", code); - break; - } + ushort cfg; + + cfg = AscGetChipCfgLsw(iop_base); + AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON); } -/* - * Add a 'REQP' to the end of specified queue. Set 'tidmask' - * to indicate a command is queued for the device. - * - * 'flag' may be either ASC_FRONT or ASC_BACK. - * - * 'REQPNEXT(reqp)' returns reqp's next pointer. - */ -STATIC void -asc_enqueue(asc_queue_t *ascq, REQP reqp, int flag) +static void AscDisableInterrupt(PortAddr iop_base) { - int tid; - - ASC_DBG3(3, "asc_enqueue: ascq 0x%lx, reqp 0x%lx, flag %d\n", - (ulong) ascq, (ulong) reqp, flag); - ASC_ASSERT(reqp != NULL); - ASC_ASSERT(flag == ASC_FRONT || flag == ASC_BACK); - tid = REQPTID(reqp); - ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); - if (flag == ASC_FRONT) { - reqp->host_scribble = (unsigned char *)ascq->q_first[tid]; - ascq->q_first[tid] = reqp; - /* If the queue was empty, set the last pointer. */ - if (ascq->q_last[tid] == NULL) { - ascq->q_last[tid] = reqp; - } - } else { /* ASC_BACK */ - if (ascq->q_last[tid] != NULL) { - ascq->q_last[tid]->host_scribble = (unsigned char *)reqp; - } - ascq->q_last[tid] = reqp; - reqp->host_scribble = NULL; - /* If the queue was empty, set the first pointer. */ - if (ascq->q_first[tid] == NULL) { - ascq->q_first[tid] = reqp; - } - } - /* The queue has at least one entry, set its bit. */ - ascq->q_tidmask |= ADV_TID_TO_TIDMASK(tid); -#ifdef ADVANSYS_STATS - /* Maintain request queue statistics. */ - ascq->q_tot_cnt[tid]++; - ascq->q_cur_cnt[tid]++; - if (ascq->q_cur_cnt[tid] > ascq->q_max_cnt[tid]) { - ascq->q_max_cnt[tid] = ascq->q_cur_cnt[tid]; - ASC_DBG2(2, "asc_enqueue: new q_max_cnt[%d] %d\n", - tid, ascq->q_max_cnt[tid]); - } - REQPTIME(reqp) = REQTIMESTAMP(); -#endif /* ADVANSYS_STATS */ - ASC_DBG1(3, "asc_enqueue: reqp 0x%lx\n", (ulong) reqp); - return; + ushort cfg; + + cfg = AscGetChipCfgLsw(iop_base); + AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON)); } -/* - * Return first queued 'REQP' on the specified queue for - * the specified target device. Clear the 'tidmask' bit for - * the device if no more commands are left queued for it. - * - * 'REQPNEXT(reqp)' returns reqp's next pointer. - */ -STATIC REQP -asc_dequeue(asc_queue_t *ascq, int tid) +static uchar AscReadLramByte(PortAddr iop_base, ushort addr) { - REQP reqp; - - ASC_DBG2(3, "asc_dequeue: ascq 0x%lx, tid %d\n", (ulong) ascq, tid); - ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); - if ((reqp = ascq->q_first[tid]) != NULL) { - ASC_ASSERT(ascq->q_tidmask & ADV_TID_TO_TIDMASK(tid)); - ascq->q_first[tid] = REQPNEXT(reqp); - /* If the queue is empty, clear its bit and the last pointer. */ - if (ascq->q_first[tid] == NULL) { - ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(tid); - ASC_ASSERT(ascq->q_last[tid] == reqp); - ascq->q_last[tid] = NULL; - } -#ifdef ADVANSYS_STATS - /* Maintain request queue statistics. */ - ascq->q_cur_cnt[tid]--; - ASC_ASSERT(ascq->q_cur_cnt[tid] >= 0); - REQTIMESTAT("asc_dequeue", ascq, reqp, tid); -#endif /* ADVANSYS_STATS */ - } - ASC_DBG1(3, "asc_dequeue: reqp 0x%lx\n", (ulong) reqp); - return reqp; + unsigned char byte_data; + unsigned short word_data; + + if (isodd_word(addr)) { + AscSetChipLramAddr(iop_base, addr - 1); + word_data = AscGetChipLramData(iop_base); + byte_data = (word_data >> 8) & 0xFF; + } else { + AscSetChipLramAddr(iop_base, addr); + word_data = AscGetChipLramData(iop_base); + byte_data = word_data & 0xFF; + } + return byte_data; } -/* - * Return a pointer to a singly linked list of all the requests queued - * for 'tid' on the 'asc_queue_t' pointed to by 'ascq'. - * - * If 'lastpp' is not NULL, '*lastpp' will be set to point to the - * the last request returned in the singly linked list. - * - * 'tid' should either be a valid target id or if it is ASC_TID_ALL, - * then all queued requests are concatenated into one list and - * returned. - * - * Note: If 'lastpp' is used to append a new list to the end of - * an old list, only change the old list last pointer if '*lastpp' - * (or the function return value) is not NULL, i.e. use a temporary - * variable for 'lastpp' and check its value after the function return - * before assigning it to the list last pointer. - * - * Unfortunately collecting queuing time statistics adds overhead to - * the function that isn't inherent to the function's algorithm. - */ -STATIC REQP -asc_dequeue_list(asc_queue_t *ascq, REQP *lastpp, int tid) +static ushort AscReadLramWord(PortAddr iop_base, ushort addr) { - REQP firstp, lastp; - int i; - - ASC_DBG2(3, "asc_dequeue_list: ascq 0x%lx, tid %d\n", (ulong) ascq, tid); - ASC_ASSERT((tid == ASC_TID_ALL) || (tid >= 0 && tid <= ADV_MAX_TID)); - - /* - * If 'tid' is not ASC_TID_ALL, return requests only for - * the specified 'tid'. If 'tid' is ASC_TID_ALL, return all - * requests for all tids. - */ - if (tid != ASC_TID_ALL) { - /* Return all requests for the specified 'tid'. */ - if ((ascq->q_tidmask & ADV_TID_TO_TIDMASK(tid)) == 0) { - /* List is empty; Set first and last return pointers to NULL. */ - firstp = lastp = NULL; - } else { - firstp = ascq->q_first[tid]; - lastp = ascq->q_last[tid]; - ascq->q_first[tid] = ascq->q_last[tid] = NULL; - ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(tid); -#ifdef ADVANSYS_STATS - { - REQP reqp; - ascq->q_cur_cnt[tid] = 0; - for (reqp = firstp; reqp; reqp = REQPNEXT(reqp)) { - REQTIMESTAT("asc_dequeue_list", ascq, reqp, tid); - } - } -#endif /* ADVANSYS_STATS */ - } - } else { - /* Return all requests for all tids. */ - firstp = lastp = NULL; - for (i = 0; i <= ADV_MAX_TID; i++) { - if (ascq->q_tidmask & ADV_TID_TO_TIDMASK(i)) { - if (firstp == NULL) { - firstp = ascq->q_first[i]; - lastp = ascq->q_last[i]; - } else { - ASC_ASSERT(lastp != NULL); - lastp->host_scribble = (unsigned char *)ascq->q_first[i]; - lastp = ascq->q_last[i]; - } - ascq->q_first[i] = ascq->q_last[i] = NULL; - ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(i); -#ifdef ADVANSYS_STATS - ascq->q_cur_cnt[i] = 0; -#endif /* ADVANSYS_STATS */ - } - } -#ifdef ADVANSYS_STATS - { - REQP reqp; - for (reqp = firstp; reqp; reqp = REQPNEXT(reqp)) { - REQTIMESTAT("asc_dequeue_list", ascq, reqp, reqp->device->id); - } - } -#endif /* ADVANSYS_STATS */ - } - if (lastpp) { - *lastpp = lastp; - } - ASC_DBG1(3, "asc_dequeue_list: firstp 0x%lx\n", (ulong) firstp); - return firstp; + ushort word_data; + + AscSetChipLramAddr(iop_base, addr); + word_data = AscGetChipLramData(iop_base); + return (word_data); } -/* - * Remove the specified 'REQP' from the specified queue for - * the specified target device. Clear the 'tidmask' bit for the - * device if no more commands are left queued for it. - * - * 'REQPNEXT(reqp)' returns reqp's the next pointer. - * - * Return ASC_TRUE if the command was found and removed, - * otherwise return ASC_FALSE. - */ -STATIC int -asc_rmqueue(asc_queue_t *ascq, REQP reqp) +#if CC_VERY_LONG_SG_LIST +static ASC_DCNT AscReadLramDWord(PortAddr iop_base, ushort addr) { - REQP currp, prevp; - int tid; - int ret = ASC_FALSE; - - ASC_DBG2(3, "asc_rmqueue: ascq 0x%lx, reqp 0x%lx\n", - (ulong) ascq, (ulong) reqp); - ASC_ASSERT(reqp != NULL); - - tid = REQPTID(reqp); - ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); - - /* - * Handle the common case of 'reqp' being the first - * entry on the queue. - */ - if (reqp == ascq->q_first[tid]) { - ret = ASC_TRUE; - ascq->q_first[tid] = REQPNEXT(reqp); - /* If the queue is now empty, clear its bit and the last pointer. */ - if (ascq->q_first[tid] == NULL) { - ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(tid); - ASC_ASSERT(ascq->q_last[tid] == reqp); - ascq->q_last[tid] = NULL; - } - } else if (ascq->q_first[tid] != NULL) { - ASC_ASSERT(ascq->q_last[tid] != NULL); - /* - * Because the case of 'reqp' being the first entry has been - * handled above and it is known the queue is not empty, if - * 'reqp' is found on the queue it is guaranteed the queue will - * not become empty and that 'q_first[tid]' will not be changed. - * - * Set 'prevp' to the first entry, 'currp' to the second entry, - * and search for 'reqp'. - */ - for (prevp = ascq->q_first[tid], currp = REQPNEXT(prevp); - currp; prevp = currp, currp = REQPNEXT(currp)) { - if (currp == reqp) { - ret = ASC_TRUE; - prevp->host_scribble = (unsigned char *)REQPNEXT(currp); - reqp->host_scribble = NULL; - if (ascq->q_last[tid] == reqp) { - ascq->q_last[tid] = prevp; - } - break; - } - } - } -#ifdef ADVANSYS_STATS - /* Maintain request queue statistics. */ - if (ret == ASC_TRUE) { - ascq->q_cur_cnt[tid]--; - REQTIMESTAT("asc_rmqueue", ascq, reqp, tid); - } - ASC_ASSERT(ascq->q_cur_cnt[tid] >= 0); -#endif /* ADVANSYS_STATS */ - ASC_DBG2(3, "asc_rmqueue: reqp 0x%lx, ret %d\n", (ulong) reqp, ret); - return ret; + ushort val_low, val_high; + ASC_DCNT dword_data; + + AscSetChipLramAddr(iop_base, addr); + val_low = AscGetChipLramData(iop_base); + val_high = AscGetChipLramData(iop_base); + dword_data = ((ASC_DCNT) val_high << 16) | (ASC_DCNT) val_low; + return (dword_data); } +#endif /* CC_VERY_LONG_SG_LIST */ -/* - * Execute as many queued requests as possible for the specified queue. - * - * Calls asc_execute_scsi_cmnd() to execute a REQP/struct scsi_cmnd. - */ -STATIC void -asc_execute_queue(asc_queue_t *ascq) +static void +AscMemWordSetLram(PortAddr iop_base, ushort s_addr, ushort set_wval, int words) { - ADV_SCSI_BIT_ID_TYPE scan_tidmask; - REQP reqp; - int i; - - ASC_DBG1(1, "asc_execute_queue: ascq 0x%lx\n", (ulong) ascq); - /* - * Execute queued commands for devices attached to - * the current board in round-robin fashion. - */ - scan_tidmask = ascq->q_tidmask; - do { - for (i = 0; i <= ADV_MAX_TID; i++) { - if (scan_tidmask & ADV_TID_TO_TIDMASK(i)) { - if ((reqp = asc_dequeue(ascq, i)) == NULL) { - scan_tidmask &= ~ADV_TID_TO_TIDMASK(i); - } else if (asc_execute_scsi_cmnd((struct scsi_cmnd *) reqp) - == ASC_BUSY) { - scan_tidmask &= ~ADV_TID_TO_TIDMASK(i); - /* - * The request returned ASC_BUSY. Enqueue at the front of - * target's waiting list to maintain correct ordering. - */ - asc_enqueue(ascq, reqp, ASC_FRONT); - } - } - } - } while (scan_tidmask); - return; + int i; + + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < words; i++) { + AscSetChipLramData(iop_base, set_wval); + } } -#ifdef CONFIG_PROC_FS -/* - * asc_prt_board_devices() - * - * Print driver information for devices attached to the board. - * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). - * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. - */ -STATIC int -asc_prt_board_devices(struct Scsi_Host *shp, char *cp, int cplen) +static void AscWriteLramWord(PortAddr iop_base, ushort addr, ushort word_val) { - asc_board_t *boardp; - int leftlen; - int totlen; - int len; - int chip_scsi_id; - int i; - - boardp = ASC_BOARDP(shp); - leftlen = cplen; - totlen = len = 0; - - len = asc_prt_line(cp, leftlen, -"\nDevice Information for AdvanSys SCSI Host %d:\n", shp->host_no); - ASC_PRT_NEXT(); - - if (ASC_NARROW_BOARD(boardp)) { - chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; - } else { - chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; - } + AscSetChipLramAddr(iop_base, addr); + AscSetChipLramData(iop_base, word_val); +} - len = asc_prt_line(cp, leftlen, "Target IDs Detected:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) { - len = asc_prt_line(cp, leftlen, " %X,", i); - ASC_PRT_NEXT(); - } - } - len = asc_prt_line(cp, leftlen, " (%X=Host Adapter)\n", chip_scsi_id); - ASC_PRT_NEXT(); +static void AscWriteLramByte(PortAddr iop_base, ushort addr, uchar byte_val) +{ + ushort word_data; - return totlen; + if (isodd_word(addr)) { + addr--; + word_data = AscReadLramWord(iop_base, addr); + word_data &= 0x00FF; + word_data |= (((ushort)byte_val << 8) & 0xFF00); + } else { + word_data = AscReadLramWord(iop_base, addr); + word_data &= 0xFF00; + word_data |= ((ushort)byte_val & 0x00FF); + } + AscWriteLramWord(iop_base, addr, word_data); } /* - * Display Wide Board BIOS Information. + * Copy 2 bytes to LRAM. + * + * The source data is assumed to be in little-endian order in memory + * and is maintained in little-endian order when written to LRAM. */ -STATIC int -asc_prt_adv_bios(struct Scsi_Host *shp, char *cp, int cplen) +static void +AscMemWordCopyPtrToLram(PortAddr iop_base, + ushort s_addr, uchar *s_buffer, int words) { - asc_board_t *boardp; - int leftlen; - int totlen; - int len; - ushort major, minor, letter; - - boardp = ASC_BOARDP(shp); - leftlen = cplen; - totlen = len = 0; - - len = asc_prt_line(cp, leftlen, "\nROM BIOS Version: "); - ASC_PRT_NEXT(); - - /* - * If the BIOS saved a valid signature, then fill in - * the BIOS code segment base address. - */ - if (boardp->bios_signature != 0x55AA) { - len = asc_prt_line(cp, leftlen, "Disabled or Pre-3.1\n"); - ASC_PRT_NEXT(); - len = asc_prt_line(cp, leftlen, -"BIOS either disabled or Pre-3.1. If it is pre-3.1, then a newer version\n"); - ASC_PRT_NEXT(); - len = asc_prt_line(cp, leftlen, -"can be found at the ConnectCom FTP site: ftp://ftp.connectcom.net/pub\n"); - ASC_PRT_NEXT(); - } else { - major = (boardp->bios_version >> 12) & 0xF; - minor = (boardp->bios_version >> 8) & 0xF; - letter = (boardp->bios_version & 0xFF); - - len = asc_prt_line(cp, leftlen, "%d.%d%c\n", - major, minor, letter >= 26 ? '?' : letter + 'A'); - ASC_PRT_NEXT(); - - /* - * Current available ROM BIOS release is 3.1I for UW - * and 3.2I for U2W. This code doesn't differentiate - * UW and U2W boards. - */ - if (major < 3 || (major <= 3 && minor < 1) || - (major <= 3 && minor <= 1 && letter < ('I'- 'A'))) { - len = asc_prt_line(cp, leftlen, -"Newer version of ROM BIOS is available at the ConnectCom FTP site:\n"); - ASC_PRT_NEXT(); - len = asc_prt_line(cp, leftlen, -"ftp://ftp.connectcom.net/pub\n"); - ASC_PRT_NEXT(); - } - } + int i; - return totlen; + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < 2 * words; i += 2) { + /* + * On a little-endian system the second argument below + * produces a little-endian ushort which is written to + * LRAM in little-endian order. On a big-endian system + * the second argument produces a big-endian ushort which + * is "transparently" byte-swapped by outpw() and written + * in little-endian order to LRAM. + */ + outpw(iop_base + IOP_RAM_DATA, + ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]); + } } /* - * Add serial number to information bar if signature AAh - * is found in at bit 15-9 (7 bits) of word 1. - * - * Serial Number consists fo 12 alpha-numeric digits. - * - * 1 - Product type (A,B,C,D..) Word0: 15-13 (3 bits) - * 2 - MFG Location (A,B,C,D..) Word0: 12-10 (3 bits) - * 3-4 - Product ID (0-99) Word0: 9-0 (10 bits) - * 5 - Product revision (A-J) Word0: " " - * - * Signature Word1: 15-9 (7 bits) - * 6 - Year (0-9) Word1: 8-6 (3 bits) & Word2: 15 (1 bit) - * 7-8 - Week of the year (1-52) Word1: 5-0 (6 bits) - * - * 9-12 - Serial Number (A001-Z999) Word2: 14-0 (15 bits) - * - * Note 1: Only production cards will have a serial number. - * - * Note 2: Signature is most significant 7 bits (0xFE). + * Copy 4 bytes to LRAM. * - * Returns ASC_TRUE if serial number found, otherwise returns ASC_FALSE. + * The source data is assumed to be in little-endian order in memory + * and is maintained in little-endian order when writen to LRAM. */ -STATIC int -asc_get_eeprom_string(ushort *serialnum, uchar *cp) +static void +AscMemDWordCopyPtrToLram(PortAddr iop_base, + ushort s_addr, uchar *s_buffer, int dwords) { - ushort w, num; - - if ((serialnum[1] & 0xFE00) != ((ushort) 0xAA << 8)) { - return ASC_FALSE; - } else { - /* - * First word - 6 digits. - */ - w = serialnum[0]; - - /* Product type - 1st digit. */ - if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') { - /* Product type is P=Prototype */ - *cp += 0x8; - } - cp++; - - /* Manufacturing location - 2nd digit. */ - *cp++ = 'A' + ((w & 0x1C00) >> 10); - - /* Product ID - 3rd, 4th digits. */ - num = w & 0x3FF; - *cp++ = '0' + (num / 100); - num %= 100; - *cp++ = '0' + (num / 10); - - /* Product revision - 5th digit. */ - *cp++ = 'A' + (num % 10); - - /* - * Second word - */ - w = serialnum[1]; - - /* - * Year - 6th digit. - * - * If bit 15 of third word is set, then the - * last digit of the year is greater than 7. - */ - if (serialnum[2] & 0x8000) { - *cp++ = '8' + ((w & 0x1C0) >> 6); - } else { - *cp++ = '0' + ((w & 0x1C0) >> 6); - } - - /* Week of year - 7th, 8th digits. */ - num = w & 0x003F; - *cp++ = '0' + num / 10; - num %= 10; - *cp++ = '0' + num; - - /* - * Third word - */ - w = serialnum[2] & 0x7FFF; - - /* Serial number - 9th digit. */ - *cp++ = 'A' + (w / 1000); - - /* 10th, 11th, 12th digits. */ - num = w % 1000; - *cp++ = '0' + num / 100; - num %= 100; - *cp++ = '0' + num / 10; - num %= 10; - *cp++ = '0' + num; - - *cp = '\0'; /* Null Terminate the string. */ - return ASC_TRUE; - } + int i; + + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < 4 * dwords; i += 4) { + outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]); /* LSW */ + outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 3] << 8) | s_buffer[i + 2]); /* MSW */ + } } /* - * asc_prt_asc_board_eeprom() - * - * Print board EEPROM configuration. - * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). + * Copy 2 bytes from LRAM. * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. + * The source data is assumed to be in little-endian order in LRAM + * and is maintained in little-endian order when written to memory. */ -STATIC int -asc_prt_asc_board_eeprom(struct Scsi_Host *shp, char *cp, int cplen) +static void +AscMemWordCopyPtrFromLram(PortAddr iop_base, + ushort s_addr, uchar *d_buffer, int words) { - asc_board_t *boardp; - ASC_DVC_VAR *asc_dvc_varp; - int leftlen; - int totlen; - int len; - ASCEEP_CONFIG *ep; - int i; -#ifdef CONFIG_ISA - int isa_dma_speed[] = { 10, 8, 7, 6, 5, 4, 3, 2 }; -#endif /* CONFIG_ISA */ - uchar serialstr[13]; - - boardp = ASC_BOARDP(shp); - asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; - ep = &boardp->eep_config.asc_eep; - - leftlen = cplen; - totlen = len = 0; - - len = asc_prt_line(cp, leftlen, -"\nEEPROM Settings for AdvanSys SCSI Host %d:\n", shp->host_no); - ASC_PRT_NEXT(); - - if (asc_get_eeprom_string((ushort *) &ep->adapter_info[0], serialstr) == - ASC_TRUE) { - len = asc_prt_line(cp, leftlen, " Serial Number: %s\n", serialstr); - ASC_PRT_NEXT(); - } else { - if (ep->adapter_info[5] == 0xBB) { - len = asc_prt_line(cp, leftlen, - " Default Settings Used for EEPROM-less Adapter.\n"); - ASC_PRT_NEXT(); - } else { - len = asc_prt_line(cp, leftlen, - " Serial Number Signature Not Present.\n"); - ASC_PRT_NEXT(); - } - } + int i; + ushort word; - len = asc_prt_line(cp, leftlen, -" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", - ASC_EEP_GET_CHIP_ID(ep), ep->max_total_qng, ep->max_tag_qng); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" cntl 0x%x, no_scam 0x%x\n", - ep->cntl, ep->no_scam); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Target ID: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %d", i); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Disconnects: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (ep->disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Command Queuing: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (ep->use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Start Motor: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (ep->start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Synchronous Transfer:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (ep->init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < 2 * words; i += 2) { + word = inpw(iop_base + IOP_RAM_DATA); + d_buffer[i] = word & 0xff; + d_buffer[i + 1] = (word >> 8) & 0xff; + } +} -#ifdef CONFIG_ISA - if (asc_dvc_varp->bus_type & ASC_IS_ISA) { - len = asc_prt_line(cp, leftlen, -" Host ISA DMA speed: %d MB/S\n", - isa_dma_speed[ASC_EEP_GET_DMA_SPD(ep)]); - ASC_PRT_NEXT(); - } -#endif /* CONFIG_ISA */ +static ASC_DCNT AscMemSumLramWord(PortAddr iop_base, ushort s_addr, int words) +{ + ASC_DCNT sum; + int i; - return totlen; + sum = 0L; + for (i = 0; i < words; i++, s_addr += 2) { + sum += AscReadLramWord(iop_base, s_addr); + } + return (sum); +} + +static ushort AscInitLram(ASC_DVC_VAR *asc_dvc) +{ + uchar i; + ushort s_addr; + PortAddr iop_base; + ushort warn_code; + + iop_base = asc_dvc->iop_base; + warn_code = 0; + AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0, + (ushort)(((int)(asc_dvc->max_total_qng + 2 + 1) * + 64) >> 1)); + i = ASC_MIN_ACTIVE_QNO; + s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE; + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD), + (uchar)(i + 1)); + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD), + (uchar)(asc_dvc->max_total_qng)); + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO), + (uchar)i); + i++; + s_addr += ASC_QBLK_SIZE; + for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) { + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD), + (uchar)(i + 1)); + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD), + (uchar)(i - 1)); + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO), + (uchar)i); + } + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD), + (uchar)ASC_QLINK_END); + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD), + (uchar)(asc_dvc->max_total_qng - 1)); + AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO), + (uchar)asc_dvc->max_total_qng); + i++; + s_addr += ASC_QBLK_SIZE; + for (; i <= (uchar)(asc_dvc->max_total_qng + 3); + i++, s_addr += ASC_QBLK_SIZE) { + AscWriteLramByte(iop_base, + (ushort)(s_addr + (ushort)ASC_SCSIQ_B_FWD), i); + AscWriteLramByte(iop_base, + (ushort)(s_addr + (ushort)ASC_SCSIQ_B_BWD), i); + AscWriteLramByte(iop_base, + (ushort)(s_addr + (ushort)ASC_SCSIQ_B_QNO), i); + } + return warn_code; } -/* - * asc_prt_adv_board_eeprom() - * - * Print board EEPROM configuration. - * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). - * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. - */ -STATIC int -asc_prt_adv_board_eeprom(struct Scsi_Host *shp, char *cp, int cplen) +static ASC_DCNT +AscLoadMicroCode(PortAddr iop_base, + ushort s_addr, uchar *mcode_buf, ushort mcode_size) { - asc_board_t *boardp; - ADV_DVC_VAR *adv_dvc_varp; - int leftlen; - int totlen; - int len; - int i; - char *termstr; - uchar serialstr[13]; - ADVEEP_3550_CONFIG *ep_3550 = NULL; - ADVEEP_38C0800_CONFIG *ep_38C0800 = NULL; - ADVEEP_38C1600_CONFIG *ep_38C1600 = NULL; - ushort word; - ushort *wordp; - ushort sdtr_speed = 0; - - boardp = ASC_BOARDP(shp); - adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - ep_3550 = &boardp->eep_config.adv_3550_eep; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - ep_38C0800 = &boardp->eep_config.adv_38C0800_eep; - } else - { - ep_38C1600 = &boardp->eep_config.adv_38C1600_eep; - } + ASC_DCNT chksum; + ushort mcode_word_size; + ushort mcode_chksum; - leftlen = cplen; - totlen = len = 0; - - len = asc_prt_line(cp, leftlen, -"\nEEPROM Settings for AdvanSys SCSI Host %d:\n", shp->host_no); - ASC_PRT_NEXT(); - - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - wordp = &ep_3550->serial_number_word1; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - wordp = &ep_38C0800->serial_number_word1; - } else - { - wordp = &ep_38C1600->serial_number_word1; - } + /* Write the microcode buffer starting at LRAM address 0. */ + mcode_word_size = (ushort)(mcode_size >> 1); + AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size); + AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size); - if (asc_get_eeprom_string(wordp, serialstr) == ASC_TRUE) { - len = asc_prt_line(cp, leftlen, " Serial Number: %s\n", serialstr); - ASC_PRT_NEXT(); - } else { - len = asc_prt_line(cp, leftlen, - " Serial Number Signature Not Present.\n"); - ASC_PRT_NEXT(); - } + chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size); + ASC_DBG(1, "chksum 0x%lx\n", (ulong)chksum); + mcode_chksum = (ushort)AscMemSumLramWord(iop_base, + (ushort)ASC_CODE_SEC_BEG, + (ushort)((mcode_size - + s_addr - (ushort) + ASC_CODE_SEC_BEG) / + 2)); + ASC_DBG(1, "mcode_chksum 0x%lx\n", (ulong)mcode_chksum); + AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum); + AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size); + return chksum; +} - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - len = asc_prt_line(cp, leftlen, -" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", - ep_3550->adapter_scsi_id, ep_3550->max_host_qng, - ep_3550->max_dvc_qng); - ASC_PRT_NEXT(); - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - len = asc_prt_line(cp, leftlen, -" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", - ep_38C0800->adapter_scsi_id, ep_38C0800->max_host_qng, - ep_38C0800->max_dvc_qng); - ASC_PRT_NEXT(); - } else - { - len = asc_prt_line(cp, leftlen, -" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", - ep_38C1600->adapter_scsi_id, ep_38C1600->max_host_qng, - ep_38C1600->max_dvc_qng); - ASC_PRT_NEXT(); - } - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - word = ep_3550->termination; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - word = ep_38C0800->termination_lvd; - } else - { - word = ep_38C1600->termination_lvd; - } - switch (word) { - case 1: - termstr = "Low Off/High Off"; - break; - case 2: - termstr = "Low Off/High On"; - break; - case 3: - termstr = "Low On/High On"; - break; - default: - case 0: - termstr = "Automatic"; - break; - } +/* Microcode buffer is kept after initialization for error recovery. */ +static uchar _asc_mcode_buf[] = { + 0x01, 0x03, 0x01, 0x19, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC3, 0x12, 0x0D, 0x05, + 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0x80, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0xFF, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0xE4, 0x88, 0x00, 0x00, 0x00, 0x00, 0x80, 0x73, 0x48, 0x04, + 0x36, 0x00, 0x00, 0xA2, 0xC2, 0x00, 0x80, 0x73, 0x03, 0x23, 0x36, 0x40, + 0xB6, 0x00, 0x36, 0x00, 0x05, 0xD6, 0x0C, 0xD2, 0x12, 0xDA, 0x00, 0xA2, + 0xC2, 0x00, 0x92, 0x80, 0x1E, 0x98, 0x50, 0x00, 0xF5, 0x00, 0x48, 0x98, + 0xDF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x4F, 0x00, 0xF5, 0x00, + 0x48, 0x98, 0xEF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x80, 0x62, + 0x92, 0x80, 0x00, 0x46, 0x15, 0xEE, 0x13, 0xEA, 0x02, 0x01, 0x09, 0xD8, + 0xCD, 0x04, 0x4D, 0x00, 0x00, 0xA3, 0xD6, 0x00, 0xA6, 0x97, 0x7F, 0x23, + 0x04, 0x61, 0x84, 0x01, 0xE6, 0x84, 0xD2, 0xC1, 0x80, 0x73, 0xCD, 0x04, + 0x4D, 0x00, 0x00, 0xA3, 0xDA, 0x01, 0xA6, 0x97, 0xC6, 0x81, 0xC2, 0x88, + 0x80, 0x73, 0x80, 0x77, 0x00, 0x01, 0x01, 0xA1, 0xFE, 0x00, 0x4F, 0x00, + 0x84, 0x97, 0x07, 0xA6, 0x08, 0x01, 0x00, 0x33, 0x03, 0x00, 0xC2, 0x88, + 0x03, 0x03, 0x01, 0xDE, 0xC2, 0x88, 0xCE, 0x00, 0x69, 0x60, 0xCE, 0x00, + 0x02, 0x03, 0x4A, 0x60, 0x00, 0xA2, 0x78, 0x01, 0x80, 0x63, 0x07, 0xA6, + 0x24, 0x01, 0x78, 0x81, 0x03, 0x03, 0x80, 0x63, 0xE2, 0x00, 0x07, 0xA6, + 0x34, 0x01, 0x00, 0x33, 0x04, 0x00, 0xC2, 0x88, 0x03, 0x07, 0x02, 0x01, + 0x04, 0xCA, 0x0D, 0x23, 0x68, 0x98, 0x4D, 0x04, 0x04, 0x85, 0x05, 0xD8, + 0x0D, 0x23, 0x68, 0x98, 0xCD, 0x04, 0x15, 0x23, 0xF8, 0x88, 0xFB, 0x23, + 0x02, 0x61, 0x82, 0x01, 0x80, 0x63, 0x02, 0x03, 0x06, 0xA3, 0x62, 0x01, + 0x00, 0x33, 0x0A, 0x00, 0xC2, 0x88, 0x4E, 0x00, 0x07, 0xA3, 0x6E, 0x01, + 0x00, 0x33, 0x0B, 0x00, 0xC2, 0x88, 0xCD, 0x04, 0x36, 0x2D, 0x00, 0x33, + 0x1A, 0x00, 0xC2, 0x88, 0x50, 0x04, 0x88, 0x81, 0x06, 0xAB, 0x82, 0x01, + 0x88, 0x81, 0x4E, 0x00, 0x07, 0xA3, 0x92, 0x01, 0x50, 0x00, 0x00, 0xA3, + 0x3C, 0x01, 0x00, 0x05, 0x7C, 0x81, 0x46, 0x97, 0x02, 0x01, 0x05, 0xC6, + 0x04, 0x23, 0xA0, 0x01, 0x15, 0x23, 0xA1, 0x01, 0xBE, 0x81, 0xFD, 0x23, + 0x02, 0x61, 0x82, 0x01, 0x0A, 0xDA, 0x4A, 0x00, 0x06, 0x61, 0x00, 0xA0, + 0xB4, 0x01, 0x80, 0x63, 0xCD, 0x04, 0x36, 0x2D, 0x00, 0x33, 0x1B, 0x00, + 0xC2, 0x88, 0x06, 0x23, 0x68, 0x98, 0xCD, 0x04, 0xE6, 0x84, 0x06, 0x01, + 0x00, 0xA2, 0xD4, 0x01, 0x57, 0x60, 0x00, 0xA0, 0xDA, 0x01, 0xE6, 0x84, + 0x80, 0x23, 0xA0, 0x01, 0xE6, 0x84, 0x80, 0x73, 0x4B, 0x00, 0x06, 0x61, + 0x00, 0xA2, 0x00, 0x02, 0x04, 0x01, 0x0C, 0xDE, 0x02, 0x01, 0x03, 0xCC, + 0x4F, 0x00, 0x84, 0x97, 0xFC, 0x81, 0x08, 0x23, 0x02, 0x41, 0x82, 0x01, + 0x4F, 0x00, 0x62, 0x97, 0x48, 0x04, 0x84, 0x80, 0xF0, 0x97, 0x00, 0x46, + 0x56, 0x00, 0x03, 0xC0, 0x01, 0x23, 0xE8, 0x00, 0x81, 0x73, 0x06, 0x29, + 0x03, 0x42, 0x06, 0xE2, 0x03, 0xEE, 0x6B, 0xEB, 0x11, 0x23, 0xF8, 0x88, + 0x04, 0x98, 0xF0, 0x80, 0x80, 0x73, 0x80, 0x77, 0x07, 0xA4, 0x2A, 0x02, + 0x7C, 0x95, 0x06, 0xA6, 0x34, 0x02, 0x03, 0xA6, 0x4C, 0x04, 0x46, 0x82, + 0x04, 0x01, 0x03, 0xD8, 0xB4, 0x98, 0x6A, 0x96, 0x46, 0x82, 0xFE, 0x95, + 0x80, 0x67, 0x83, 0x03, 0x80, 0x63, 0xB6, 0x2D, 0x02, 0xA6, 0x6C, 0x02, + 0x07, 0xA6, 0x5A, 0x02, 0x06, 0xA6, 0x5E, 0x02, 0x03, 0xA6, 0x62, 0x02, + 0xC2, 0x88, 0x7C, 0x95, 0x48, 0x82, 0x60, 0x96, 0x48, 0x82, 0x04, 0x23, + 0xA0, 0x01, 0x14, 0x23, 0xA1, 0x01, 0x3C, 0x84, 0x04, 0x01, 0x0C, 0xDC, + 0xE0, 0x23, 0x25, 0x61, 0xEF, 0x00, 0x14, 0x01, 0x4F, 0x04, 0xA8, 0x01, + 0x6F, 0x00, 0xA5, 0x01, 0x03, 0x23, 0xA4, 0x01, 0x06, 0x23, 0x9C, 0x01, + 0x24, 0x2B, 0x1C, 0x01, 0x02, 0xA6, 0xAA, 0x02, 0x07, 0xA6, 0x5A, 0x02, + 0x06, 0xA6, 0x5E, 0x02, 0x03, 0xA6, 0x20, 0x04, 0x01, 0xA6, 0xB4, 0x02, + 0x00, 0xA6, 0xB4, 0x02, 0x00, 0x33, 0x12, 0x00, 0xC2, 0x88, 0x00, 0x0E, + 0x80, 0x63, 0x00, 0x43, 0x00, 0xA0, 0x8C, 0x02, 0x4D, 0x04, 0x04, 0x01, + 0x0B, 0xDC, 0xE7, 0x23, 0x04, 0x61, 0x84, 0x01, 0x10, 0x31, 0x12, 0x35, + 0x14, 0x01, 0xEC, 0x00, 0x6C, 0x38, 0x00, 0x3F, 0x00, 0x00, 0xEA, 0x82, + 0x18, 0x23, 0x04, 0x61, 0x18, 0xA0, 0xE2, 0x02, 0x04, 0x01, 0xA2, 0xC8, + 0x00, 0x33, 0x1F, 0x00, 0xC2, 0x88, 0x08, 0x31, 0x0A, 0x35, 0x0C, 0x39, + 0x0E, 0x3D, 0x7E, 0x98, 0xB6, 0x2D, 0x01, 0xA6, 0x14, 0x03, 0x00, 0xA6, + 0x14, 0x03, 0x07, 0xA6, 0x0C, 0x03, 0x06, 0xA6, 0x10, 0x03, 0x03, 0xA6, + 0x20, 0x04, 0x02, 0xA6, 0x6C, 0x02, 0x00, 0x33, 0x33, 0x00, 0xC2, 0x88, + 0x7C, 0x95, 0xEE, 0x82, 0x60, 0x96, 0xEE, 0x82, 0x82, 0x98, 0x80, 0x42, + 0x7E, 0x98, 0x64, 0xE4, 0x04, 0x01, 0x2D, 0xC8, 0x31, 0x05, 0x07, 0x01, + 0x00, 0xA2, 0x54, 0x03, 0x00, 0x43, 0x87, 0x01, 0x05, 0x05, 0x86, 0x98, + 0x7E, 0x98, 0x00, 0xA6, 0x16, 0x03, 0x07, 0xA6, 0x4C, 0x03, 0x03, 0xA6, + 0x3C, 0x04, 0x06, 0xA6, 0x50, 0x03, 0x01, 0xA6, 0x16, 0x03, 0x00, 0x33, + 0x25, 0x00, 0xC2, 0x88, 0x7C, 0x95, 0x32, 0x83, 0x60, 0x96, 0x32, 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0x88, + 0x73, 0x04, 0x00, 0x63, 0x80, 0x7B, 0x80, 0x63, 0x06, 0xA6, 0x76, 0x08, + 0x00, 0x33, 0x3E, 0x00, 0xC2, 0x88, 0x80, 0x67, 0x83, 0x03, 0x80, 0x63, + 0x00, 0x63, 0x38, 0x2B, 0x9C, 0x88, 0x38, 0x2B, 0x92, 0x88, 0x32, 0x09, + 0x31, 0x05, 0x92, 0x98, 0x05, 0x05, 0xB2, 0x09, 0x00, 0x63, 0x00, 0x32, + 0x00, 0x36, 0x00, 0x3A, 0x00, 0x3E, 0x00, 0x63, 0x80, 0x32, 0x80, 0x36, + 0x80, 0x3A, 0x80, 0x3E, 0xB4, 0x3D, 0x00, 0x63, 0x38, 0x2B, 0x40, 0x32, + 0x40, 0x36, 0x40, 0x3A, 0x40, 0x3E, 0x00, 0x63, 0x5A, 0x20, 0xC9, 0x40, + 0x00, 0xA0, 0xB4, 0x08, 0x5D, 0x00, 0xFE, 0xC3, 0x00, 0x63, 0x80, 0x73, + 0xE6, 0x20, 0x02, 0x23, 0xE8, 0x00, 0x82, 0x73, 0xFF, 0xFD, 0x80, 0x73, + 0x13, 0x23, 0xF8, 0x88, 0x66, 0x20, 0xC0, 0x20, 0x04, 0x23, 0xA0, 0x01, + 0xA1, 0x23, 0xA1, 0x01, 0x81, 0x62, 0xE2, 0x88, 0x80, 0x73, 0x80, 0x77, + 0x68, 0x00, 0x00, 0xA2, 0x80, 0x00, 0x03, 0xC2, 0xF1, 0xC7, 0x41, 0x23, + 0xF8, 0x88, 0x11, 0x23, 0xA1, 0x01, 0x04, 0x23, 0xA0, 0x01, 0xE6, 0x84, +}; - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - len = asc_prt_line(cp, leftlen, -" termination: %u (%s), bios_ctrl: 0x%x\n", - ep_3550->termination, termstr, ep_3550->bios_ctrl); - ASC_PRT_NEXT(); - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - len = asc_prt_line(cp, leftlen, -" termination: %u (%s), bios_ctrl: 0x%x\n", - ep_38C0800->termination_lvd, termstr, ep_38C0800->bios_ctrl); - ASC_PRT_NEXT(); - } else - { - len = asc_prt_line(cp, leftlen, -" termination: %u (%s), bios_ctrl: 0x%x\n", - ep_38C1600->termination_lvd, termstr, ep_38C1600->bios_ctrl); - ASC_PRT_NEXT(); - } +static unsigned short _asc_mcode_size = sizeof(_asc_mcode_buf); +static ADV_DCNT _asc_mcode_chksum = 0x012C453FUL; - len = asc_prt_line(cp, leftlen, -" Target ID: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %X", i); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - word = ep_3550->disc_enable; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - word = ep_38C0800->disc_enable; - } else - { - word = ep_38C1600->disc_enable; - } - len = asc_prt_line(cp, leftlen, -" Disconnects: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - word = ep_3550->tagqng_able; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - word = ep_38C0800->tagqng_able; - } else - { - word = ep_38C1600->tagqng_able; - } - len = asc_prt_line(cp, leftlen, -" Command Queuing: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - word = ep_3550->start_motor; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - word = ep_38C0800->start_motor; - } else - { - word = ep_38C1600->start_motor; - } - len = asc_prt_line(cp, leftlen, -" Start Motor: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - len = asc_prt_line(cp, leftlen, -" Synchronous Transfer:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (ep_3550->sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - } +/* Microcode buffer is kept after initialization for error recovery. */ +static unsigned char _adv_asc3550_buf[] = { + 0x00, 0x00, 0x00, 0xf2, 0x00, 0xf0, 0x00, 0x16, 0x18, 0xe4, 0x00, 0xfc, + 0x01, 0x00, 0x48, 0xe4, 0xbe, 0x18, 0x18, 0x80, 0x03, 0xf6, 0x02, 0x00, + 0x00, 0xfa, 0xff, 0xff, 0x28, 0x0e, 0x9e, 0xe7, 0xff, 0x00, 0x82, 0xe7, + 0x00, 0xea, 0x00, 0xf6, 0x01, 0xe6, 0x09, 0xe7, 0x55, 0xf0, 0x01, 0xf6, + 0x01, 0xfa, 0x08, 0x00, 0x03, 0x00, 0x04, 0x00, 0x18, 0xf4, 0x10, 0x00, + 0x00, 0xec, 0x85, 0xf0, 0xbc, 0x00, 0xd5, 0xf0, 0x8e, 0x0c, 0x38, 0x54, + 0x00, 0xe6, 0x1e, 0xf0, 0x86, 0xf0, 0xb4, 0x00, 0x98, 0x57, 0xd0, 0x01, + 0x0c, 0x1c, 0x3e, 0x1c, 0x0c, 0x00, 0xbb, 0x00, 0xaa, 0x18, 0x02, 0x80, + 0x32, 0xf0, 0x01, 0xfc, 0x88, 0x0c, 0xc6, 0x12, 0x02, 0x13, 0x18, 0x40, + 0x00, 0x57, 0x01, 0xea, 0x3c, 0x00, 0x6c, 0x01, 0x6e, 0x01, 0x04, 0x12, + 0x3e, 0x57, 0x00, 0x80, 0x03, 0xe6, 0xb6, 0x00, 0xc0, 0x00, 0x01, 0x01, + 0x3e, 0x01, 0xda, 0x0f, 0x22, 0x10, 0x08, 0x12, 0x02, 0x4a, 0xb9, 0x54, + 0x03, 0x58, 0x1b, 0x80, 0x30, 0xe4, 0x4b, 0xe4, 0x20, 0x00, 0x32, 0x00, + 0x3e, 0x00, 0x80, 0x00, 0x24, 0x01, 0x3c, 0x01, 0x68, 0x01, 0x6a, 0x01, + 0x70, 0x01, 0x72, 0x01, 0x74, 0x01, 0x76, 0x01, 0x78, 0x01, 0x62, 0x0a, + 0x92, 0x0c, 0x2c, 0x10, 0x2e, 0x10, 0x06, 0x13, 0x4c, 0x1c, 0xbb, 0x55, + 0x3c, 0x56, 0x04, 0x80, 0x4a, 0xe4, 0x02, 0xee, 0x5b, 0xf0, 0xb1, 0xf0, + 0x03, 0xf7, 0x06, 0xf7, 0x03, 0xfc, 0x0f, 0x00, 0x40, 0x00, 0xbe, 0x00, + 0x00, 0x01, 0xb0, 0x08, 0x30, 0x13, 0x64, 0x15, 0x32, 0x1c, 0x38, 0x1c, + 0x4e, 0x1c, 0x10, 0x44, 0x02, 0x48, 0x00, 0x4c, 0x04, 0xea, 0x5d, 0xf0, + 0x04, 0xf6, 0x02, 0xfc, 0x05, 0x00, 0x34, 0x00, 0x36, 0x00, 0x98, 0x00, + 0xcc, 0x00, 0x20, 0x01, 0x4e, 0x01, 0x4e, 0x0b, 0x1e, 0x0e, 0x0c, 0x10, + 0x0a, 0x12, 0x04, 0x13, 0x40, 0x13, 0x30, 0x1c, 0x00, 0x4e, 0xbd, 0x56, + 0x06, 0x83, 0x00, 0xdc, 0x05, 0xf0, 0x09, 0xf0, 0x59, 0xf0, 0xa7, 0xf0, + 0xb8, 0xf0, 0x0e, 0xf7, 0x06, 0x00, 0x19, 0x00, 0x33, 0x00, 0x9b, 0x00, + 0xa4, 0x00, 0xb5, 0x00, 0xba, 0x00, 0xd0, 0x00, 0xe1, 0x00, 0xe7, 0x00, + 0xde, 0x03, 0x56, 0x0a, 0x14, 0x0e, 0x02, 0x10, 0x04, 0x10, 0x0a, 0x10, + 0x36, 0x10, 0x0a, 0x13, 0x12, 0x13, 0x52, 0x13, 0x10, 0x15, 0x14, 0x15, + 0xac, 0x16, 0x20, 0x1c, 0x34, 0x1c, 0x36, 0x1c, 0x08, 0x44, 0x38, 0x44, + 0x91, 0x44, 0x0a, 0x45, 0x48, 0x46, 0x01, 0x48, 0x68, 0x54, 0x83, 0x55, + 0xb0, 0x57, 0x01, 0x58, 0x83, 0x59, 0x05, 0xe6, 0x0b, 0xf0, 0x0c, 0xf0, + 0x5c, 0xf0, 0x4b, 0xf4, 0x04, 0xf8, 0x05, 0xf8, 0x02, 0xfa, 0x03, 0xfa, + 0x04, 0xfc, 0x05, 0xfc, 0x07, 0x00, 0x0a, 0x00, 0x0d, 0x00, 0x1c, 0x00, + 0x9e, 0x00, 0xa8, 0x00, 0xaa, 0x00, 0xb9, 0x00, 0xe0, 0x00, 0x22, 0x01, + 0x26, 0x01, 0x79, 0x01, 0x7a, 0x01, 0xc0, 0x01, 0xc2, 0x01, 0x7c, 0x02, + 0x5a, 0x03, 0xea, 0x04, 0xe8, 0x07, 0x68, 0x08, 0x69, 0x08, 0xba, 0x08, + 0xe9, 0x09, 0x06, 0x0b, 0x3a, 0x0e, 0x00, 0x10, 0x1a, 0x10, 0xed, 0x10, + 0xf1, 0x10, 0x06, 0x12, 0x0c, 0x13, 0x16, 0x13, 0x1e, 0x13, 0x82, 0x13, + 0x42, 0x14, 0xd6, 0x14, 0x8a, 0x15, 0xc6, 0x17, 0xd2, 0x17, 0x6b, 0x18, + 0x12, 0x1c, 0x46, 0x1c, 0x9c, 0x32, 0x00, 0x40, 0x0e, 0x47, 0x48, 0x47, + 0x41, 0x48, 0x89, 0x48, 0x80, 0x4c, 0x00, 0x54, 0x44, 0x55, 0xe5, 0x55, + 0x14, 0x56, 0x77, 0x57, 0xbf, 0x57, 0x40, 0x5c, 0x06, 0x80, 0x08, 0x90, + 0x03, 0xa1, 0xfe, 0x9c, 0xf0, 0x29, 0x02, 0xfe, 0xb8, 0x0c, 0xff, 0x10, + 0x00, 0x00, 0xd0, 0xfe, 0xcc, 0x18, 0x00, 0xcf, 0xfe, 0x80, 0x01, 0xff, + 0x03, 0x00, 0x00, 0xfe, 0x93, 0x15, 0xfe, 0x0f, 0x05, 0xff, 0x38, 0x00, + 0x00, 0xfe, 0x57, 0x24, 0x00, 0xfe, 0x48, 0x00, 0x4f, 0xff, 0x04, 0x00, + 0x00, 0x10, 0xff, 0x09, 0x00, 0x00, 0xff, 0x08, 0x01, 0x01, 0xff, 0x08, + 0xff, 0xff, 0xff, 0x27, 0x00, 0x00, 0xff, 0x10, 0xff, 0xff, 0xff, 0x0f, + 0x00, 0x00, 0xfe, 0x78, 0x56, 0xfe, 0x34, 0x12, 0xff, 0x21, 0x00, 0x00, + 0xfe, 0x04, 0xf7, 0xcf, 0x2a, 0x67, 0x0b, 0x01, 0xfe, 0xce, 0x0e, 0xfe, + 0x04, 0xf7, 0xcf, 0x67, 0x0b, 0x3c, 0x2a, 0xfe, 0x3d, 0xf0, 0xfe, 0x02, + 0x02, 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0x98, 0x03, 0x0a, 0x99, 0x01, 0x0e, 0xf0, 0x0a, 0x40, 0x01, 0x0e, + 0xfe, 0x49, 0x44, 0x16, 0xfe, 0xf0, 0x17, 0x73, 0x75, 0x03, 0x0a, 0x42, + 0x01, 0x0e, 0x07, 0x10, 0x45, 0x0a, 0x51, 0x01, 0x9e, 0x0a, 0x40, 0x01, + 0x0e, 0x73, 0x75, 0x03, 0xfe, 0x4e, 0xe4, 0x1a, 0x64, 0xfe, 0x24, 0x18, + 0x05, 0xfe, 0x90, 0x00, 0xfe, 0x3a, 0x45, 0x5b, 0xfe, 0x4e, 0xe4, 0xc2, + 0x64, 0xfe, 0x36, 0x18, 0x05, 0xfe, 0x92, 0x00, 0xfe, 0x02, 0xe6, 0x1b, + 0xdc, 0xfe, 0x4e, 0xe4, 0xfe, 0x0b, 0x00, 0x64, 0xfe, 0x48, 0x18, 0x05, + 0xfe, 0x94, 0x00, 0xfe, 0x02, 0xe6, 0x19, 0xfe, 0x08, 0x10, 0x05, 0xfe, + 0x96, 0x00, 0xfe, 0x02, 0xe6, 0x2c, 0xfe, 0x4e, 0x45, 0xfe, 0x0c, 0x12, + 0xaf, 0xff, 0x04, 0x68, 0x54, 0xde, 0x1c, 0x69, 0x03, 0x07, 0x7a, 0xfe, + 0x5a, 0xf0, 0xfe, 0x74, 0x18, 0x24, 0xfe, 0x09, 0x00, 0xfe, 0x34, 0x10, + 0x07, 0x1b, 0xfe, 0x5a, 0xf0, 0xfe, 0x82, 0x18, 0x24, 0xc3, 0xfe, 0x26, + 0x10, 0x07, 0x1a, 0x5d, 0x24, 0x2c, 0xdc, 0x07, 0x0b, 0x5d, 0x24, 0x93, + 0xfe, 0x0e, 0x10, 0x07, 0x06, 0x5d, 0x24, 0x4d, 0x9f, 0xad, 0x03, 0x14, + 0xfe, 0x09, 0x00, 0x01, 0x33, 0xfe, 0x04, 0xfe, 0x7d, 0x05, 0x7f, 0xf9, + 0x03, 0x25, 0xfe, 0xca, 0x18, 0xfe, 0x14, 0xf0, 0x08, 0x65, 0xfe, 0xc6, + 0x18, 0x03, 0xff, 0x1a, 0x00, 0x00, +}; - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - len = asc_prt_line(cp, leftlen, -" Ultra Transfer: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (ep_3550->ultra_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - } +static unsigned short _adv_asc3550_size = sizeof(_adv_asc3550_buf); /* 0x13AD */ +static ADV_DCNT _adv_asc3550_chksum = 0x04D52DDDUL; /* Expanded little-endian checksum. */ - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) - { - word = ep_3550->wdtr_able; - } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) - { - word = ep_38C0800->wdtr_able; - } else - { - word = ep_38C1600->wdtr_able; - } - len = asc_prt_line(cp, leftlen, -" Wide Transfer: "); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - len = asc_prt_line(cp, leftlen, " %c", - (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800 || - adv_dvc_varp->chip_type == ADV_CHIP_ASC38C1600) - { - len = asc_prt_line(cp, leftlen, -" Synchronous Transfer Speed (Mhz):\n "); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - char *speed_str; - - if (i == 0) - { - sdtr_speed = adv_dvc_varp->sdtr_speed1; - } else if (i == 4) - { - sdtr_speed = adv_dvc_varp->sdtr_speed2; - } else if (i == 8) - { - sdtr_speed = adv_dvc_varp->sdtr_speed3; - } else if (i == 12) - { - sdtr_speed = adv_dvc_varp->sdtr_speed4; - } - switch (sdtr_speed & ADV_MAX_TID) - { - case 0: speed_str = "Off"; break; - case 1: speed_str = " 5"; break; - case 2: speed_str = " 10"; break; - case 3: speed_str = " 20"; break; - case 4: speed_str = " 40"; break; - case 5: speed_str = " 80"; break; - default: speed_str = "Unk"; break; - } - len = asc_prt_line(cp, leftlen, "%X:%s ", i, speed_str); - ASC_PRT_NEXT(); - if (i == 7) - { - len = asc_prt_line(cp, leftlen, "\n "); - ASC_PRT_NEXT(); - } - sdtr_speed >>= 4; - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - } +/* Microcode buffer is kept after initialization for error recovery. */ +static unsigned char _adv_asc38C0800_buf[] = { + 0x00, 0x00, 0x00, 0xf2, 0x00, 0xf0, 0x00, 0xfc, 0x00, 0x16, 0x18, 0xe4, + 0x01, 0x00, 0x48, 0xe4, 0x18, 0x80, 0x03, 0xf6, 0x02, 0x00, 0xce, 0x19, + 0x00, 0xfa, 0xff, 0xff, 0x1c, 0x0f, 0x00, 0xf6, 0x9e, 0xe7, 0xff, 0x00, + 0x82, 0xe7, 0x00, 0xea, 0x01, 0xfa, 0x01, 0xe6, 0x09, 0xe7, 0x55, 0xf0, + 0x01, 0xf6, 0x03, 0x00, 0x04, 0x00, 0x10, 0x00, 0x1e, 0xf0, 0x85, 0xf0, + 0x18, 0xf4, 0x08, 0x00, 0xbc, 0x00, 0x38, 0x54, 0x00, 0xec, 0xd5, 0xf0, + 0x82, 0x0d, 0x00, 0xe6, 0x86, 0xf0, 0xb1, 0xf0, 0x98, 0x57, 0x01, 0xfc, + 0xb4, 0x00, 0xd4, 0x01, 0x0c, 0x1c, 0x3e, 0x1c, 0x3c, 0x00, 0xbb, 0x00, + 0x00, 0x10, 0xba, 0x19, 0x02, 0x80, 0x32, 0xf0, 0x7c, 0x0d, 0x02, 0x13, + 0xba, 0x13, 0x18, 0x40, 0x00, 0x57, 0x01, 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0x01, 0x36, 0xfe, 0x04, 0xfe, + 0x81, 0x03, 0x83, 0xfe, 0x40, 0x5c, 0x04, 0x1c, 0xf7, 0xfe, 0x14, 0xf0, + 0x0b, 0x27, 0xfe, 0xd6, 0x19, 0x1c, 0xf7, 0x7b, 0xf7, 0xfe, 0x82, 0xf0, + 0xfe, 0xda, 0x19, 0x04, 0xff, 0xcc, 0x00, 0x00, +}; + +static unsigned short _adv_asc38C0800_size = sizeof(_adv_asc38C0800_buf); /* 0x14E1 */ +static ADV_DCNT _adv_asc38C0800_chksum = 0x050D3FD8UL; /* Expanded little-endian checksum. */ - return totlen; +/* Microcode buffer is kept after initialization for error recovery. */ +static unsigned char _adv_asc38C1600_buf[] = { + 0x00, 0x00, 0x00, 0xf2, 0x00, 0x16, 0x00, 0xfc, 0x00, 0x10, 0x00, 0xf0, + 0x18, 0xe4, 0x01, 0x00, 0x04, 0x1e, 0x48, 0xe4, 0x03, 0xf6, 0xf7, 0x13, + 0x2e, 0x1e, 0x02, 0x00, 0x07, 0x17, 0xc0, 0x5f, 0x00, 0xfa, 0xff, 0xff, + 0x04, 0x00, 0x00, 0xf6, 0x09, 0xe7, 0x82, 0xe7, 0x85, 0xf0, 0x86, 0xf0, + 0x4e, 0x10, 0x9e, 0xe7, 0xff, 0x00, 0x55, 0xf0, 0x01, 0xf6, 0x03, 0x00, + 0x98, 0x57, 0x01, 0xe6, 0x00, 0xea, 0x00, 0xec, 0x01, 0xfa, 0x18, 0xf4, + 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0x07, 0xfe, 0xef, 0x12, 0xfe, 0xe1, + 0x10, 0x90, 0x34, 0x60, 0xfe, 0x02, 0x80, 0x09, 0x56, 0xfe, 0x3c, 0x13, + 0xfe, 0x82, 0x14, 0xfe, 0x42, 0x13, 0x51, 0xfe, 0x06, 0x83, 0x0a, 0x5a, + 0x01, 0x18, 0xcb, 0xfe, 0x3e, 0x12, 0xfe, 0x41, 0x48, 0xfe, 0x45, 0x48, + 0x01, 0xfe, 0xb2, 0x16, 0xfe, 0x00, 0xcc, 0xcb, 0xfe, 0xf3, 0x13, 0x3f, + 0x89, 0x09, 0x1a, 0xa5, 0x0a, 0x9d, 0x01, 0x18, 0xfe, 0x80, 0x4c, 0x01, + 0x85, 0xfe, 0x16, 0x10, 0x09, 0x9b, 0x4e, 0xfe, 0x40, 0x14, 0xfe, 0x24, + 0x12, 0xfe, 0x14, 0x56, 0xfe, 0xd6, 0xf0, 0xfe, 0x52, 0x1c, 0x1c, 0x0d, + 0x02, 0xfe, 0x9c, 0xe7, 0x0d, 0x19, 0xfe, 0x15, 0x00, 0x40, 0x8d, 0x30, + 0x01, 0xf4, 0x1c, 0x07, 0x02, 0x51, 0xfe, 0x06, 0x83, 0xfe, 0x18, 0x80, + 0x61, 0x28, 0x44, 0x15, 0x56, 0x01, 0x85, 0x1c, 0x07, 0x02, 0xfe, 0x38, + 0x90, 0xfe, 0xba, 0x90, 0x91, 0xde, 0x7e, 0xdf, 0xfe, 0x48, 0x55, 0x31, + 0xfe, 0xc9, 0x55, 0x02, 0x21, 0xb9, 0x88, 0x20, 0xb9, 0x02, 0x0a, 0xba, + 0x01, 0x18, 0xfe, 0x41, 0x48, 0x0a, 0x57, 0x01, 0x18, 0xfe, 0x49, 0x44, + 0x1b, 0xfe, 0x1e, 0x1d, 0x88, 0x89, 0x02, 0x0a, 0x5a, 0x01, 0x18, 0x09, + 0x1a, 0xa4, 0x0a, 0x67, 0x01, 0xa3, 0x0a, 0x57, 0x01, 0x18, 0x88, 0x89, + 0x02, 0xfe, 0x4e, 0xe4, 0x1d, 0x7b, 0xfe, 0x52, 0x1d, 0x03, 0xfe, 0x90, + 0x00, 0xfe, 0x3a, 0x45, 0xfe, 0x2c, 0x10, 0xfe, 0x4e, 0xe4, 0xdd, 0x7b, + 0xfe, 0x64, 0x1d, 0x03, 0xfe, 0x92, 0x00, 0xd1, 0x12, 0xfe, 0x1a, 0x10, + 0xfe, 0x4e, 0xe4, 0xfe, 0x0b, 0x00, 0x7b, 0xfe, 0x76, 0x1d, 0x03, 0xfe, + 0x94, 0x00, 0xd1, 0x24, 0xfe, 0x08, 0x10, 0x03, 0xfe, 0x96, 0x00, 0xd1, + 0x63, 0xfe, 0x4e, 0x45, 0x83, 0xca, 0xff, 0x04, 0x68, 0x54, 0xfe, 0xf1, + 0x10, 0x23, 0x49, 0xfe, 0x08, 0x1c, 0xfe, 0x67, 0x19, 0xfe, 0x0a, 0x1c, + 0xfe, 0x1a, 0xf4, 0xfe, 0x00, 0x04, 0x83, 0xb2, 0x1d, 0x48, 0xfe, 0xaa, + 0x1d, 0x13, 0x1d, 0x02, 0x09, 0x92, 0xfe, 0x5a, 0xf0, 0xfe, 0xba, 0x1d, + 0x2e, 0x93, 0xfe, 0x34, 0x10, 0x09, 0x12, 0xfe, 0x5a, 0xf0, 0xfe, 0xc8, + 0x1d, 0x2e, 0xb4, 0xfe, 0x26, 0x10, 0x09, 0x1d, 0x36, 0x2e, 0x63, 0xfe, + 0x1a, 0x10, 0x09, 0x0d, 0x36, 0x2e, 0x94, 0xf2, 0x09, 0x07, 0x36, 0x2e, + 0x95, 0xa1, 0xc8, 0x02, 0x1f, 0x93, 0x01, 0x42, 0xfe, 0x04, 0xfe, 0x99, + 0x03, 0x9c, 0x8b, 0x02, 0x2a, 0xfe, 0x1c, 0x1e, 0xfe, 0x14, 0xf0, 0x08, + 0x2f, 0xfe, 0x0c, 0x1e, 0x2a, 0xfe, 0x1c, 0x1e, 0x8f, 0xfe, 0x1c, 0x1e, + 0xfe, 0x82, 0xf0, 0xfe, 0x10, 0x1e, 0x02, 0x0f, 0x3f, 0x04, 0xfe, 0x80, + 0x83, 0x33, 0x0b, 0x0e, 0x02, 0x0f, 0xfe, 0x18, 0x80, 0x04, 0xfe, 0x98, + 0x83, 0x33, 0x0b, 0x0e, 0x02, 0x0f, 0xfe, 0x02, 0x80, 0x04, 0xfe, 0x82, + 0x83, 0x33, 0x0b, 0x0e, 0x02, 0x0f, 0xfe, 0x06, 0x80, 0x04, 0xfe, 0x86, + 0x83, 0x33, 0x0b, 0x0e, 0x02, 0x0f, 0xfe, 0x1b, 0x80, 0x04, 0xfe, 0x9b, + 0x83, 0x33, 0x0b, 0x0e, 0x02, 0x0f, 0xfe, 0x04, 0x80, 0x04, 0xfe, 0x84, + 0x83, 0x33, 0x0b, 0x0e, 0x02, 0x0f, 0xfe, 0x80, 0x80, 0x04, 0xfe, 0x80, + 0x83, 0xfe, 0xc9, 0x47, 0x0b, 0x0e, 0x02, 0x0f, 0xfe, 0x19, 0x81, 0x04, + 0xfe, 0x99, 0x83, 0xfe, 0xca, 0x47, 0x0b, 0x0e, 0x02, 0x0f, 0xfe, 0x06, + 0x83, 0x04, 0xfe, 0x86, 0x83, 0xfe, 0xce, 0x47, 0x0b, 0x0e, 0x02, 0x0f, + 0xfe, 0x2c, 0x90, 0x04, 0xfe, 0xac, 0x93, 0x3a, 0x0b, 0x0e, 0x02, 0x0f, + 0xfe, 0xae, 0x90, 0x04, 0xfe, 0xae, 0x93, 0x79, 0x0b, 0x0e, 0x02, 0x0f, + 0xfe, 0x08, 0x90, 0x04, 0xfe, 0x88, 0x93, 0x3a, 0x0b, 0x0e, 0x02, 0x0f, + 0xfe, 0x8a, 0x90, 0x04, 0xfe, 0x8a, 0x93, 0x79, 0x0b, 0x0e, 0x02, 0x0f, + 0xfe, 0x0c, 0x90, 0x04, 0xfe, 0x8c, 0x93, 0x3a, 0x0b, 0x0e, 0x02, 0x0f, + 0xfe, 0x8e, 0x90, 0x04, 0xfe, 0x8e, 0x93, 0x79, 0x0b, 0x0e, 0x02, 0x0f, + 0xfe, 0x3c, 0x90, 0x04, 0xfe, 0xbc, 0x93, 0x3a, 0x0b, 0x0e, 0x02, 0x8b, + 0x0f, 0xfe, 0x03, 0x80, 0x04, 0xfe, 0x83, 0x83, 0x33, 0x0b, 0x77, 0x0e, + 0xa8, 0x02, 0xff, 0x66, 0x00, 0x00, +}; + +static unsigned short _adv_asc38C1600_size = sizeof(_adv_asc38C1600_buf); /* 0x1673 */ +static ADV_DCNT _adv_asc38C1600_chksum = 0x0604EF77UL; /* Expanded little-endian checksum. */ + +static void AscInitQLinkVar(ASC_DVC_VAR *asc_dvc) +{ + PortAddr iop_base; + int i; + ushort lram_addr; + + iop_base = asc_dvc->iop_base; + AscPutRiscVarFreeQHead(iop_base, 1); + AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng); + AscPutVarFreeQHead(iop_base, 1); + AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng); + AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B, + (uchar)((int)asc_dvc->max_total_qng + 1)); + AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B, + (uchar)((int)asc_dvc->max_total_qng + 2)); + AscWriteLramByte(iop_base, (ushort)ASCV_TOTAL_READY_Q_B, + asc_dvc->max_total_qng); + AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0); + AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0); + AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0); + AscPutQDoneInProgress(iop_base, 0); + lram_addr = ASC_QADR_BEG; + for (i = 0; i < 32; i++, lram_addr += 2) { + AscWriteLramWord(iop_base, lram_addr, 0); + } } -/* - * asc_prt_driver_conf() - * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). - * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. - */ -STATIC int -asc_prt_driver_conf(struct Scsi_Host *shp, char *cp, int cplen) +static ushort AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc) { - asc_board_t *boardp; - int leftlen; - int totlen; - int len; - int chip_scsi_id; - - boardp = ASC_BOARDP(shp); - - leftlen = cplen; - totlen = len = 0; - - len = asc_prt_line(cp, leftlen, -"\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n", - shp->host_no); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" host_busy %u, last_reset %u, max_id %u, max_lun %u, max_channel %u\n", - shp->host_busy, shp->last_reset, shp->max_id, shp->max_lun, - shp->max_channel); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n", - shp->unique_id, shp->can_queue, shp->this_id, shp->sg_tablesize, - shp->cmd_per_lun); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" unchecked_isa_dma %d, use_clustering %d\n", - shp->unchecked_isa_dma, shp->use_clustering); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" flags 0x%x, last_reset 0x%x, jiffies 0x%x, asc_n_io_port 0x%x\n", - boardp->flags, boardp->last_reset, jiffies, boardp->asc_n_io_port); - ASC_PRT_NEXT(); - - /* 'shp->n_io_port' may be truncated because it is only one byte. */ - len = asc_prt_line(cp, leftlen, -" io_port 0x%x, n_io_port 0x%x\n", - shp->io_port, shp->n_io_port); - ASC_PRT_NEXT(); - - if (ASC_NARROW_BOARD(boardp)) { - chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; - } else { - chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; - } + int i; + ushort warn_code; + PortAddr iop_base; + ASC_PADDR phy_addr; + ASC_DCNT phy_size; + struct asc_board *board = asc_dvc_to_board(asc_dvc); + + iop_base = asc_dvc->iop_base; + warn_code = 0; + for (i = 0; i <= ASC_MAX_TID; i++) { + AscPutMCodeInitSDTRAtID(iop_base, i, + asc_dvc->cfg->sdtr_period_offset[i]); + } + + AscInitQLinkVar(asc_dvc); + AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B, + asc_dvc->cfg->disc_enable); + AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B, + ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id)); + + /* Ensure overrun buffer is aligned on an 8 byte boundary. */ + BUG_ON((unsigned long)asc_dvc->overrun_buf & 7); + asc_dvc->overrun_dma = dma_map_single(board->dev, asc_dvc->overrun_buf, + ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE); + phy_addr = cpu_to_le32(asc_dvc->overrun_dma); + AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D, + (uchar *)&phy_addr, 1); + phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE); + AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D, + (uchar *)&phy_size, 1); + + asc_dvc->cfg->mcode_date = + AscReadLramWord(iop_base, (ushort)ASCV_MC_DATE_W); + asc_dvc->cfg->mcode_version = + AscReadLramWord(iop_base, (ushort)ASCV_MC_VER_W); + + AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR); + if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) { + asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR; + return warn_code; + } + if (AscStartChip(iop_base) != 1) { + asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP; + return warn_code; + } + + return warn_code; +} + +static ushort AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc) +{ + ushort warn_code; + PortAddr iop_base; - return totlen; + iop_base = asc_dvc->iop_base; + warn_code = 0; + if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) && + !(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) { + AscResetChipAndScsiBus(asc_dvc); + mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */ + } + asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC; + if (asc_dvc->err_code != 0) + return UW_ERR; + if (!AscFindSignature(asc_dvc->iop_base)) { + asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; + return warn_code; + } + AscDisableInterrupt(iop_base); + warn_code |= AscInitLram(asc_dvc); + if (asc_dvc->err_code != 0) + return UW_ERR; + ASC_DBG(1, "_asc_mcode_chksum 0x%lx\n", (ulong)_asc_mcode_chksum); + if (AscLoadMicroCode(iop_base, 0, _asc_mcode_buf, + _asc_mcode_size) != _asc_mcode_chksum) { + asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM; + return warn_code; + } + warn_code |= AscInitMicroCodeVar(asc_dvc); + asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC; + AscEnableInterrupt(iop_base); + return warn_code; } /* - * asc_prt_asc_board_info() + * Load the Microcode * - * Print dynamic board configuration information. + * Write the microcode image to RISC memory starting at address 0. * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). + * The microcode is stored compressed in the following format: * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. + * 254 word (508 byte) table indexed by byte code followed + * by the following byte codes: + * + * 1-Byte Code: + * 00: Emit word 0 in table. + * 01: Emit word 1 in table. + * . + * FD: Emit word 253 in table. + * + * Multi-Byte Code: + * FE WW WW: (3 byte code) Word to emit is the next word WW WW. + * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW. + * + * Returns 0 or an error if the checksum doesn't match */ -STATIC int -asc_prt_asc_board_info(struct Scsi_Host *shp, char *cp, int cplen) +static int AdvLoadMicrocode(AdvPortAddr iop_base, unsigned char *buf, int size, + int memsize, int chksum) { - asc_board_t *boardp; - int chip_scsi_id; - int leftlen; - int totlen; - int len; - ASC_DVC_VAR *v; - ASC_DVC_CFG *c; - int i; - int renegotiate = 0; - - boardp = ASC_BOARDP(shp); - v = &boardp->dvc_var.asc_dvc_var; - c = &boardp->dvc_cfg.asc_dvc_cfg; - chip_scsi_id = c->chip_scsi_id; - - leftlen = cplen; - totlen = len = 0; - - len = asc_prt_line(cp, leftlen, -"\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n", - shp->host_no); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" chip_version %u, lib_version 0x%x, lib_serial_no %u, mcode_date 0x%x\n", - c->chip_version, c->lib_version, c->lib_serial_no, c->mcode_date); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" mcode_version 0x%x, err_code %u\n", - c->mcode_version, v->err_code); - ASC_PRT_NEXT(); - - /* Current number of commands waiting for the host. */ - len = asc_prt_line(cp, leftlen, -" Total Command Pending: %d\n", v->cur_total_qng); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Command Queuing:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - len = asc_prt_line(cp, leftlen, " %X:%c", - i, (v->use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - /* Current number of commands waiting for a device. */ - len = asc_prt_line(cp, leftlen, -" Command Queue Pending:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - len = asc_prt_line(cp, leftlen, " %X:%u", i, v->cur_dvc_qng[i]); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - /* Current limit on number of commands that can be sent to a device. */ - len = asc_prt_line(cp, leftlen, -" Command Queue Limit:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - len = asc_prt_line(cp, leftlen, " %X:%u", i, v->max_dvc_qng[i]); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - /* Indicate whether the device has returned queue full status. */ - len = asc_prt_line(cp, leftlen, -" Command Queue Full:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - if (boardp->queue_full & ADV_TID_TO_TIDMASK(i)) { - len = asc_prt_line(cp, leftlen, " %X:Y-%d", - i, boardp->queue_full_cnt[i]); - } else { - len = asc_prt_line(cp, leftlen, " %X:N", i); - } - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Synchronous Transfer:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ASC_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - len = asc_prt_line(cp, leftlen, " %X:%c", - i, (v->sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - for (i = 0; i <= ASC_MAX_TID; i++) { - uchar syn_period_ix; - - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) || - ((v->init_sdtr & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - - len = asc_prt_line(cp, leftlen, " %X:", i); - ASC_PRT_NEXT(); - - if ((boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET) == 0) - { - len = asc_prt_line(cp, leftlen, " Asynchronous"); - ASC_PRT_NEXT(); - } else - { - syn_period_ix = - (boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index - 1); - - len = asc_prt_line(cp, leftlen, - " Transfer Period Factor: %d (%d.%d Mhz),", - v->sdtr_period_tbl[syn_period_ix], - 250 / v->sdtr_period_tbl[syn_period_ix], - ASC_TENTHS(250, v->sdtr_period_tbl[syn_period_ix])); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d", - boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET); - ASC_PRT_NEXT(); - } - - if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) { - len = asc_prt_line(cp, leftlen, "*\n"); - renegotiate = 1; - } else - { - len = asc_prt_line(cp, leftlen, "\n"); - } - ASC_PRT_NEXT(); - } + int i, j, end, len = 0; + ADV_DCNT sum; - if (renegotiate) - { - len = asc_prt_line(cp, leftlen, - " * = Re-negotiation pending before next command.\n"); - ASC_PRT_NEXT(); - } + AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); + + for (i = 253 * 2; i < size; i++) { + if (buf[i] == 0xff) { + unsigned short word = (buf[i + 3] << 8) | buf[i + 2]; + for (j = 0; j < buf[i + 1]; j++) { + AdvWriteWordAutoIncLram(iop_base, word); + len += 2; + } + i += 3; + } else if (buf[i] == 0xfe) { + unsigned short word = (buf[i + 2] << 8) | buf[i + 1]; + AdvWriteWordAutoIncLram(iop_base, word); + i += 2; + len += 2; + } else { + unsigned int off = buf[i] * 2; + unsigned short word = (buf[off + 1] << 8) | buf[off]; + AdvWriteWordAutoIncLram(iop_base, word); + len += 2; + } + } + + end = len; + + while (len < memsize) { + AdvWriteWordAutoIncLram(iop_base, 0); + len += 2; + } + + /* Verify the microcode checksum. */ + sum = 0; + AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); + + for (len = 0; len < end; len += 2) { + sum += AdvReadWordAutoIncLram(iop_base); + } + + if (sum != chksum) + return ASC_IERR_MCODE_CHKSUM; + + return 0; +} + +static void AdvBuildCarrierFreelist(struct adv_dvc_var *asc_dvc) +{ + ADV_CARR_T *carrp; + ADV_SDCNT buf_size; + ADV_PADDR carr_paddr; - return totlen; + carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf); + asc_dvc->carr_freelist = NULL; + if (carrp == asc_dvc->carrier_buf) { + buf_size = ADV_CARRIER_BUFSIZE; + } else { + buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T); + } + + do { + /* Get physical address of the carrier 'carrp'. */ + carr_paddr = cpu_to_le32(virt_to_bus(carrp)); + + buf_size -= sizeof(ADV_CARR_T); + + carrp->carr_pa = carr_paddr; + carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp)); + + /* + * Insert the carrier at the beginning of the freelist. + */ + carrp->next_vpa = + cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist)); + asc_dvc->carr_freelist = carrp; + + carrp++; + } while (buf_size > 0); } /* - * asc_prt_adv_board_info() + * Send an idle command to the chip and wait for completion. * - * Print dynamic board configuration information. + * Command completion is polled for once per microsecond. * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). + * The function can be called from anywhere including an interrupt handler. + * But the function is not re-entrant, so it uses the DvcEnter/LeaveCritical() + * functions to prevent reentrancy. * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. + * Return Values: + * ADV_TRUE - command completed successfully + * ADV_FALSE - command failed + * ADV_ERROR - command timed out */ -STATIC int -asc_prt_adv_board_info(struct Scsi_Host *shp, char *cp, int cplen) -{ - asc_board_t *boardp; - int leftlen; - int totlen; - int len; - int i; - ADV_DVC_VAR *v; - ADV_DVC_CFG *c; - AdvPortAddr iop_base; - ushort chip_scsi_id; - ushort lramword; - uchar lrambyte; - ushort tagqng_able; - ushort sdtr_able, wdtr_able; - ushort wdtr_done, sdtr_done; - ushort period = 0; - int renegotiate = 0; - - boardp = ASC_BOARDP(shp); - v = &boardp->dvc_var.adv_dvc_var; - c = &boardp->dvc_cfg.adv_dvc_cfg; - iop_base = v->iop_base; - chip_scsi_id = v->chip_scsi_id; - - leftlen = cplen; - totlen = len = 0; - - len = asc_prt_line(cp, leftlen, -"\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n", - shp->host_no); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" iop_base 0x%lx, cable_detect: %X, err_code %u\n", - v->iop_base, - AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1) & CABLE_DETECT, - v->err_code); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" chip_version %u, lib_version 0x%x, mcode_date 0x%x, mcode_version 0x%x\n", - c->chip_version, c->lib_version, c->mcode_date, c->mcode_version); - ASC_PRT_NEXT(); - - AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - len = asc_prt_line(cp, leftlen, -" Queuing Enabled:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - - len = asc_prt_line(cp, leftlen, " %X:%c", - i, (tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Queue Limit:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - - AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i, lrambyte); - - len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" Command Pending:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - - AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i, lrambyte); - - len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - len = asc_prt_line(cp, leftlen, -" Wide Enabled:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - - len = asc_prt_line(cp, leftlen, " %X:%c", - i, (wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done); - len = asc_prt_line(cp, leftlen, -" Transfer Bit Width:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - - AdvReadWordLram(iop_base, ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i), - lramword); - - len = asc_prt_line(cp, leftlen, " %X:%d", - i, (lramword & 0x8000) ? 16 : 8); - ASC_PRT_NEXT(); - - if ((wdtr_able & ADV_TID_TO_TIDMASK(i)) && - (wdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) { - len = asc_prt_line(cp, leftlen, "*"); - ASC_PRT_NEXT(); - renegotiate = 1; - } - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - len = asc_prt_line(cp, leftlen, -" Synchronous Enabled:"); - ASC_PRT_NEXT(); - for (i = 0; i <= ADV_MAX_TID; i++) { - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - - len = asc_prt_line(cp, leftlen, " %X:%c", - i, (sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); - ASC_PRT_NEXT(); - } - len = asc_prt_line(cp, leftlen, "\n"); - ASC_PRT_NEXT(); - - AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, sdtr_done); - for (i = 0; i <= ADV_MAX_TID; i++) { - - AdvReadWordLram(iop_base, ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i), - lramword); - lramword &= ~0x8000; - - if ((chip_scsi_id == i) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) || - ((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) { - continue; - } - - len = asc_prt_line(cp, leftlen, " %X:", i); - ASC_PRT_NEXT(); - - if ((lramword & 0x1F) == 0) /* Check for REQ/ACK Offset 0. */ - { - len = asc_prt_line(cp, leftlen, " Asynchronous"); - ASC_PRT_NEXT(); - } else - { - len = asc_prt_line(cp, leftlen, " Transfer Period Factor: "); - ASC_PRT_NEXT(); - - if ((lramword & 0x1F00) == 0x1100) /* 80 Mhz */ - { - len = asc_prt_line(cp, leftlen, "9 (80.0 Mhz),"); - ASC_PRT_NEXT(); - } else if ((lramword & 0x1F00) == 0x1000) /* 40 Mhz */ - { - len = asc_prt_line(cp, leftlen, "10 (40.0 Mhz),"); - ASC_PRT_NEXT(); - } else /* 20 Mhz or below. */ - { - period = (((lramword >> 8) * 25) + 50)/4; - - if (period == 0) /* Should never happen. */ - { - len = asc_prt_line(cp, leftlen, "%d (? Mhz), "); - ASC_PRT_NEXT(); - } else - { - len = asc_prt_line(cp, leftlen, - "%d (%d.%d Mhz),", - period, 250/period, ASC_TENTHS(250, period)); - ASC_PRT_NEXT(); - } - } - - len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d", - lramword & 0x1F); - ASC_PRT_NEXT(); - } - - if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) { - len = asc_prt_line(cp, leftlen, "*\n"); - renegotiate = 1; - } else - { - len = asc_prt_line(cp, leftlen, "\n"); - } - ASC_PRT_NEXT(); - } +static int +AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc, + ushort idle_cmd, ADV_DCNT idle_cmd_parameter) +{ + int result; + ADV_DCNT i, j; + AdvPortAddr iop_base; + + iop_base = asc_dvc->iop_base; + + /* + * Clear the idle command status which is set by the microcode + * to a non-zero value to indicate when the command is completed. + * The non-zero result is one of the IDLE_CMD_STATUS_* values + */ + AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort)0); + + /* + * Write the idle command value after the idle command parameter + * has been written to avoid a race condition. If the order is not + * followed, the microcode may process the idle command before the + * parameters have been written to LRAM. + */ + AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER, + cpu_to_le32(idle_cmd_parameter)); + AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd); + + /* + * Tickle the RISC to tell it to process the idle command. + */ + AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B); + if (asc_dvc->chip_type == ADV_CHIP_ASC3550) { + /* + * Clear the tickle value. In the ASC-3550 the RISC flag + * command 'clr_tickle_b' does not work unless the host + * value is cleared. + */ + AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP); + } - if (renegotiate) - { - len = asc_prt_line(cp, leftlen, - " * = Re-negotiation pending before next command.\n"); - ASC_PRT_NEXT(); - } + /* Wait for up to 100 millisecond for the idle command to timeout. */ + for (i = 0; i < SCSI_WAIT_100_MSEC; i++) { + /* Poll once each microsecond for command completion. */ + for (j = 0; j < SCSI_US_PER_MSEC; j++) { + AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, + result); + if (result != 0) + return result; + udelay(1); + } + } - return totlen; + BUG(); /* The idle command should never timeout. */ + return ADV_ERROR; } /* - * asc_proc_copy() + * Reset SCSI Bus and purge all outstanding requests. * - * Copy proc information to a read buffer taking into account the current - * read offset in the file and the remaining space in the read buffer. + * Return Value: + * ADV_TRUE(1) - All requests are purged and SCSI Bus is reset. + * ADV_FALSE(0) - Microcode command failed. + * ADV_ERROR(-1) - Microcode command timed-out. Microcode or IC + * may be hung which requires driver recovery. */ -STATIC int -asc_proc_copy(off_t advoffset, off_t offset, char *curbuf, int leftlen, - char *cp, int cplen) +static int AdvResetSB(ADV_DVC_VAR *asc_dvc) { - int cnt = 0; - - ASC_DBG3(2, "asc_proc_copy: offset %d, advoffset %d, cplen %d\n", - (unsigned) offset, (unsigned) advoffset, cplen); - if (offset <= advoffset) { - /* Read offset below current offset, copy everything. */ - cnt = min(cplen, leftlen); - ASC_DBG3(2, "asc_proc_copy: curbuf 0x%lx, cp 0x%lx, cnt %d\n", - (ulong) curbuf, (ulong) cp, cnt); - memcpy(curbuf, cp, cnt); - } else if (offset < advoffset + cplen) { - /* Read offset within current range, partial copy. */ - cnt = (advoffset + cplen) - offset; - cp = (cp + cplen) - cnt; - cnt = min(cnt, leftlen); - ASC_DBG3(2, "asc_proc_copy: curbuf 0x%lx, cp 0x%lx, cnt %d\n", - (ulong) curbuf, (ulong) cp, cnt); - memcpy(curbuf, cp, cnt); - } - return cnt; + int status; + + /* + * Send the SCSI Bus Reset idle start idle command which asserts + * the SCSI Bus Reset signal. + */ + status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_START, 0L); + if (status != ADV_TRUE) { + return status; + } + + /* + * Delay for the specified SCSI Bus Reset hold time. + * + * The hold time delay is done on the host because the RISC has no + * microsecond accurate timer. + */ + udelay(ASC_SCSI_RESET_HOLD_TIME_US); + + /* + * Send the SCSI Bus Reset end idle command which de-asserts + * the SCSI Bus Reset signal and purges any pending requests. + */ + status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_END, 0L); + if (status != ADV_TRUE) { + return status; + } + + mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */ + + return status; } /* - * asc_prt_line() + * Initialize the ASC-3550. * - * If 'cp' is NULL print to the console, otherwise print to a buffer. + * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. * - * Return 0 if printing to the console, otherwise return the number of - * bytes written to the buffer. + * For a non-fatal error return a warning code. If there are no warnings + * then 0 is returned. * - * Note: If any single line is greater than ASC_PRTLINE_SIZE bytes the stack - * will be corrupted. 's[]' is defined to be ASC_PRTLINE_SIZE bytes. + * Needed after initialization for error recovery. */ -STATIC int -asc_prt_line(char *buf, int buflen, char *fmt, ...) -{ - va_list args; - int ret; - char s[ASC_PRTLINE_SIZE]; - - va_start(args, fmt); - ret = vsprintf(s, fmt, args); - ASC_ASSERT(ret < ASC_PRTLINE_SIZE); - if (buf == NULL) { - (void) printk(s); - ret = 0; - } else { - ret = min(buflen, ret); - memcpy(buf, s, ret); - } - va_end(args); - return ret; -} -#endif /* CONFIG_PROC_FS */ +static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc) +{ + AdvPortAddr iop_base; + ushort warn_code; + int begin_addr; + int end_addr; + ushort code_sum; + int word; + int i; + ushort scsi_cfg1; + uchar tid; + ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */ + ushort wdtr_able = 0, sdtr_able, tagqng_able; + uchar max_cmd[ADV_MAX_TID + 1]; + + /* If there is already an error, don't continue. */ + if (asc_dvc->err_code != 0) + return ADV_ERROR; + + /* + * The caller must set 'chip_type' to ADV_CHIP_ASC3550. + */ + if (asc_dvc->chip_type != ADV_CHIP_ASC3550) { + asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE; + return ADV_ERROR; + } + warn_code = 0; + iop_base = asc_dvc->iop_base; + + /* + * Save the RISC memory BIOS region before writing the microcode. + * The BIOS may already be loaded and using its RISC LRAM region + * so its region must be saved and restored. + * + * Note: This code makes the assumption, which is currently true, + * that a chip reset does not clear RISC LRAM. + */ + for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) { + AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), + bios_mem[i]); + } -/* - * --- Functions Required by the Asc Library - */ + /* + * Save current per TID negotiated values. + */ + if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == 0x55AA) { + ushort bios_version, major, minor; + + bios_version = + bios_mem[(ASC_MC_BIOS_VERSION - ASC_MC_BIOSMEM) / 2]; + major = (bios_version >> 12) & 0xF; + minor = (bios_version >> 8) & 0xF; + if (major < 3 || (major == 3 && minor == 1)) { + /* BIOS 3.1 and earlier location of 'wdtr_able' variable. */ + AdvReadWordLram(iop_base, 0x120, wdtr_able); + } else { + AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + } + } + AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); + for (tid = 0; tid <= ADV_MAX_TID; tid++) { + AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, + max_cmd[tid]); + } -/* - * Delay for 'n' milliseconds. Don't use the 'jiffies' - * global variable which is incremented once every 5 ms - * from a timer interrupt, because this function may be - * called when interrupts are disabled. - */ -STATIC void -DvcSleepMilliSecond(ADV_DCNT n) -{ - ASC_DBG1(4, "DvcSleepMilliSecond: %lu\n", (ulong) n); - mdelay(n); -} + asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc3550_buf, + _adv_asc3550_size, ADV_3550_MEMSIZE, + _adv_asc3550_chksum); + if (asc_dvc->err_code) + return ADV_ERROR; + + /* + * Restore the RISC memory BIOS region. + */ + for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) { + AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), + bios_mem[i]); + } -/* - * Currently and inline noop but leave as a placeholder. - * Leave DvcEnterCritical() as a noop placeholder. - */ -STATIC inline ulong -DvcEnterCritical(void) -{ - return 0; -} + /* + * Calculate and write the microcode code checksum to the microcode + * code checksum location ASC_MC_CODE_CHK_SUM (0x2C). + */ + AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr); + AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr); + code_sum = 0; + AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr); + for (word = begin_addr; word < end_addr; word += 2) { + code_sum += AdvReadWordAutoIncLram(iop_base); + } + AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum); + + /* + * Read and save microcode version and date. + */ + AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE, + asc_dvc->cfg->mcode_date); + AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM, + asc_dvc->cfg->mcode_version); + + /* + * Set the chip type to indicate the ASC3550. + */ + AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC3550); + + /* + * If the PCI Configuration Command Register "Parity Error Response + * Control" Bit was clear (0), then set the microcode variable + * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode + * to ignore DMA parity errors. + */ + if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) { + AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + word |= CONTROL_FLAG_IGNORE_PERR; + AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + } -/* - * Critical sections are all protected by the board spinlock. - * Leave DvcLeaveCritical() as a noop placeholder. - */ -STATIC inline void -DvcLeaveCritical(ulong flags) -{ - return; + /* + * For ASC-3550, setting the START_CTL_EMFU [3:2] bits sets a FIFO + * threshold of 128 bytes. This register is only accessible to the host. + */ + AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0, + START_CTL_EMFU | READ_CMD_MRM); + + /* + * Microcode operating variables for WDTR, SDTR, and command tag + * queuing will be set in slave_configure() based on what a + * device reports it is capable of in Inquiry byte 7. + * + * If SCSI Bus Resets have been disabled, then directly set + * SDTR and WDTR from the EEPROM configuration. This will allow + * the BIOS and warm boot to work without a SCSI bus hang on + * the Inquiry caused by host and target mismatched DTR values. + * Without the SCSI Bus Reset, before an Inquiry a device can't + * be assumed to be in Asynchronous, Narrow mode. + */ + if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) { + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, + asc_dvc->wdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, + asc_dvc->sdtr_able); + } + + /* + * Set microcode operating variables for SDTR_SPEED1, SDTR_SPEED2, + * SDTR_SPEED3, and SDTR_SPEED4 based on the ULTRA EEPROM per TID + * bitmask. These values determine the maximum SDTR speed negotiated + * with a device. + * + * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2, + * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them + * without determining here whether the device supports SDTR. + * + * 4-bit speed SDTR speed name + * =========== =============== + * 0000b (0x0) SDTR disabled + * 0001b (0x1) 5 Mhz + * 0010b (0x2) 10 Mhz + * 0011b (0x3) 20 Mhz (Ultra) + * 0100b (0x4) 40 Mhz (LVD/Ultra2) + * 0101b (0x5) 80 Mhz (LVD2/Ultra3) + * 0110b (0x6) Undefined + * . + * 1111b (0xF) Undefined + */ + word = 0; + for (tid = 0; tid <= ADV_MAX_TID; tid++) { + if (ADV_TID_TO_TIDMASK(tid) & asc_dvc->ultra_able) { + /* Set Ultra speed for TID 'tid'. */ + word |= (0x3 << (4 * (tid % 4))); + } else { + /* Set Fast speed for TID 'tid'. */ + word |= (0x2 << (4 * (tid % 4))); + } + if (tid == 3) { /* Check if done with sdtr_speed1. */ + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, word); + word = 0; + } else if (tid == 7) { /* Check if done with sdtr_speed2. */ + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, word); + word = 0; + } else if (tid == 11) { /* Check if done with sdtr_speed3. */ + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, word); + word = 0; + } else if (tid == 15) { /* Check if done with sdtr_speed4. */ + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, word); + /* End of loop. */ + } + } + + /* + * Set microcode operating variable for the disconnect per TID bitmask. + */ + AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE, + asc_dvc->cfg->disc_enable); + + /* + * Set SCSI_CFG0 Microcode Default Value. + * + * The microcode will set the SCSI_CFG0 register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0, + PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN | + asc_dvc->chip_scsi_id); + + /* + * Determine SCSI_CFG1 Microcode Default Value. + * + * The microcode will set the SCSI_CFG1 register using this value + * after it is started below. + */ + + /* Read current SCSI_CFG1 Register value. */ + scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); + + /* + * If all three connectors are in use, return an error. + */ + if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 || + (scsi_cfg1 & CABLE_ILLEGAL_B) == 0) { + asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION; + return ADV_ERROR; + } + + /* + * If the internal narrow cable is reversed all of the SCSI_CTRL + * register signals will be set. Check for and return an error if + * this condition is found. + */ + if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) { + asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE; + return ADV_ERROR; + } + + /* + * If this is a differential board and a single-ended device + * is attached to one of the connectors, return an error. + */ + if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) { + asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE; + return ADV_ERROR; + } + + /* + * If automatic termination control is enabled, then set the + * termination value based on a table listed in a_condor.h. + * + * If manual termination was specified with an EEPROM setting + * then 'termination' was set-up in AdvInitFrom3550EEPROM() and + * is ready to be 'ored' into SCSI_CFG1. + */ + if (asc_dvc->cfg->termination == 0) { + /* + * The software always controls termination by setting TERM_CTL_SEL. + * If TERM_CTL_SEL were set to 0, the hardware would set termination. + */ + asc_dvc->cfg->termination |= TERM_CTL_SEL; + + switch (scsi_cfg1 & CABLE_DETECT) { + /* TERM_CTL_H: on, TERM_CTL_L: on */ + case 0x3: + case 0x7: + case 0xB: + case 0xD: + case 0xE: + case 0xF: + asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L); + break; + + /* TERM_CTL_H: on, TERM_CTL_L: off */ + case 0x1: + case 0x5: + case 0x9: + case 0xA: + case 0xC: + asc_dvc->cfg->termination |= TERM_CTL_H; + break; + + /* TERM_CTL_H: off, TERM_CTL_L: off */ + case 0x2: + case 0x6: + break; + } + } + + /* + * Clear any set TERM_CTL_H and TERM_CTL_L bits. + */ + scsi_cfg1 &= ~TERM_CTL; + + /* + * Invert the TERM_CTL_H and TERM_CTL_L bits and then + * set 'scsi_cfg1'. The TERM_POL bit does not need to be + * referenced, because the hardware internally inverts + * the Termination High and Low bits if TERM_POL is set. + */ + scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL)); + + /* + * Set SCSI_CFG1 Microcode Default Value + * + * Set filter value and possibly modified termination control + * bits in the Microcode SCSI_CFG1 Register Value. + * + * The microcode will set the SCSI_CFG1 register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, + FLTR_DISABLE | scsi_cfg1); + + /* + * Set MEM_CFG Microcode Default Value + * + * The microcode will set the MEM_CFG register using this value + * after it is started below. + * + * MEM_CFG may be accessed as a word or byte, but only bits 0-7 + * are defined. + * + * ASC-3550 has 8KB internal memory. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG, + BIOS_EN | RAM_SZ_8KB); + + /* + * Set SEL_MASK Microcode Default Value + * + * The microcode will set the SEL_MASK register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK, + ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id)); + + AdvBuildCarrierFreelist(asc_dvc); + + /* + * Set-up the Host->RISC Initiator Command Queue (ICQ). + */ + + if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) { + asc_dvc->err_code |= ASC_IERR_NO_CARRIER; + return ADV_ERROR; + } + asc_dvc->carr_freelist = (ADV_CARR_T *) + ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa)); + + /* + * The first command issued will be placed in the stopper carrier. + */ + asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); + + /* + * Set RISC ICQ physical address start value. + */ + AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa); + + /* + * Set-up the RISC->Host Initiator Response Queue (IRQ). + */ + if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) { + asc_dvc->err_code |= ASC_IERR_NO_CARRIER; + return ADV_ERROR; + } + asc_dvc->carr_freelist = (ADV_CARR_T *) + ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa)); + + /* + * The first command completed by the RISC will be placed in + * the stopper. + * + * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is + * completed the RISC will set the ASC_RQ_STOPPER bit. + */ + asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); + + /* + * Set RISC IRQ physical address start value. + */ + AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa); + asc_dvc->carr_pending_cnt = 0; + + AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES, + (ADV_INTR_ENABLE_HOST_INTR | + ADV_INTR_ENABLE_GLOBAL_INTR)); + + AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word); + AdvWriteWordRegister(iop_base, IOPW_PC, word); + + /* finally, finally, gentlemen, start your engine */ + AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN); + + /* + * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus + * Resets should be performed. The RISC has to be running + * to issue a SCSI Bus Reset. + */ + if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) { + /* + * If the BIOS Signature is present in memory, restore the + * BIOS Handshake Configuration Table and do not perform + * a SCSI Bus Reset. + */ + if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == + 0x55AA) { + /* + * Restore per TID negotiated values. + */ + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, + tagqng_able); + for (tid = 0; tid <= ADV_MAX_TID; tid++) { + AdvWriteByteLram(iop_base, + ASC_MC_NUMBER_OF_MAX_CMD + tid, + max_cmd[tid]); + } + } else { + if (AdvResetSB(asc_dvc) != ADV_TRUE) { + warn_code = ASC_WARN_BUSRESET_ERROR; + } + } + } + + return warn_code; } /* - * void - * DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words) + * Initialize the ASC-38C0800. * - * Calling/Exit State: - * none + * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. * - * Description: - * Output an ASC_SCSI_Q structure to the chip + * For a non-fatal error return a warning code. If there are no warnings + * then 0 is returned. + * + * Needed after initialization for error recovery. */ -STATIC void -DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words) -{ - int i; - - ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words); - AscSetChipLramAddr(iop_base, s_addr); - for (i = 0; i < 2 * words; i += 2) { - if (i == 4 || i == 20) { - continue; - } - outpw(iop_base + IOP_RAM_DATA, - ((ushort) outbuf[i + 1] << 8) | outbuf[i]); - } +static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc) +{ + AdvPortAddr iop_base; + ushort warn_code; + int begin_addr; + int end_addr; + ushort code_sum; + int word; + int i; + ushort scsi_cfg1; + uchar byte; + uchar tid; + ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */ + ushort wdtr_able, sdtr_able, tagqng_able; + uchar max_cmd[ADV_MAX_TID + 1]; + + /* If there is already an error, don't continue. */ + if (asc_dvc->err_code != 0) + return ADV_ERROR; + + /* + * The caller must set 'chip_type' to ADV_CHIP_ASC38C0800. + */ + if (asc_dvc->chip_type != ADV_CHIP_ASC38C0800) { + asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE; + return ADV_ERROR; + } + + warn_code = 0; + iop_base = asc_dvc->iop_base; + + /* + * Save the RISC memory BIOS region before writing the microcode. + * The BIOS may already be loaded and using its RISC LRAM region + * so its region must be saved and restored. + * + * Note: This code makes the assumption, which is currently true, + * that a chip reset does not clear RISC LRAM. + */ + for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) { + AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), + bios_mem[i]); + } + + /* + * Save current per TID negotiated values. + */ + AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); + for (tid = 0; tid <= ADV_MAX_TID; tid++) { + AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, + max_cmd[tid]); + } + + /* + * RAM BIST (RAM Built-In Self Test) + * + * Address : I/O base + offset 0x38h register (byte). + * Function: Bit 7-6(RW) : RAM mode + * Normal Mode : 0x00 + * Pre-test Mode : 0x40 + * RAM Test Mode : 0x80 + * Bit 5 : unused + * Bit 4(RO) : Done bit + * Bit 3-0(RO) : Status + * Host Error : 0x08 + * Int_RAM Error : 0x04 + * RISC Error : 0x02 + * SCSI Error : 0x01 + * No Error : 0x00 + * + * Note: RAM BIST code should be put right here, before loading the + * microcode and after saving the RISC memory BIOS region. + */ + + /* + * LRAM Pre-test + * + * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds. + * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return + * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset + * to NORMAL_MODE, return an error too. + */ + for (i = 0; i < 2; i++) { + AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE); + mdelay(10); /* Wait for 10ms before reading back. */ + byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST); + if ((byte & RAM_TEST_DONE) == 0 + || (byte & 0x0F) != PRE_TEST_VALUE) { + asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST; + return ADV_ERROR; + } + + AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE); + mdelay(10); /* Wait for 10ms before reading back. */ + if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST) + != NORMAL_VALUE) { + asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST; + return ADV_ERROR; + } + } + + /* + * LRAM Test - It takes about 1.5 ms to run through the test. + * + * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds. + * If Done bit not set or Status not 0, save register byte, set the + * err_code, and return an error. + */ + AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE); + mdelay(10); /* Wait for 10ms before checking status. */ + + byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST); + if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) { + /* Get here if Done bit not set or Status not 0. */ + asc_dvc->bist_err_code = byte; /* for BIOS display message */ + asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST; + return ADV_ERROR; + } + + /* We need to reset back to normal mode after LRAM test passes. */ + AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE); + + asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc38C0800_buf, + _adv_asc38C0800_size, ADV_38C0800_MEMSIZE, + _adv_asc38C0800_chksum); + if (asc_dvc->err_code) + return ADV_ERROR; + + /* + * Restore the RISC memory BIOS region. + */ + for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) { + AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), + bios_mem[i]); + } + + /* + * Calculate and write the microcode code checksum to the microcode + * code checksum location ASC_MC_CODE_CHK_SUM (0x2C). + */ + AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr); + AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr); + code_sum = 0; + AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr); + for (word = begin_addr; word < end_addr; word += 2) { + code_sum += AdvReadWordAutoIncLram(iop_base); + } + AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum); + + /* + * Read microcode version and date. + */ + AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE, + asc_dvc->cfg->mcode_date); + AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM, + asc_dvc->cfg->mcode_version); + + /* + * Set the chip type to indicate the ASC38C0800. + */ + AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C0800); + + /* + * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register. + * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current + * cable detection and then we are able to read C_DET[3:0]. + * + * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1 + * Microcode Default Value' section below. + */ + scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); + AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1, + scsi_cfg1 | DIS_TERM_DRV); + + /* + * If the PCI Configuration Command Register "Parity Error Response + * Control" Bit was clear (0), then set the microcode variable + * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode + * to ignore DMA parity errors. + */ + if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) { + AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + word |= CONTROL_FLAG_IGNORE_PERR; + AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + } + + /* + * For ASC-38C0800, set FIFO_THRESH_80B [6:4] bits and START_CTL_TH [3:2] + * bits for the default FIFO threshold. + * + * Note: ASC-38C0800 FIFO threshold has been changed to 256 bytes. + * + * For DMA Errata #4 set the BC_THRESH_ENB bit. + */ + AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0, + BC_THRESH_ENB | FIFO_THRESH_80B | START_CTL_TH | + READ_CMD_MRM); + + /* + * Microcode operating variables for WDTR, SDTR, and command tag + * queuing will be set in slave_configure() based on what a + * device reports it is capable of in Inquiry byte 7. + * + * If SCSI Bus Resets have been disabled, then directly set + * SDTR and WDTR from the EEPROM configuration. This will allow + * the BIOS and warm boot to work without a SCSI bus hang on + * the Inquiry caused by host and target mismatched DTR values. + * Without the SCSI Bus Reset, before an Inquiry a device can't + * be assumed to be in Asynchronous, Narrow mode. + */ + if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) { + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, + asc_dvc->wdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, + asc_dvc->sdtr_able); + } + + /* + * Set microcode operating variables for DISC and SDTR_SPEED1, + * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM + * configuration values. + * + * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2, + * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them + * without determining here whether the device supports SDTR. + */ + AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE, + asc_dvc->cfg->disc_enable); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4); + + /* + * Set SCSI_CFG0 Microcode Default Value. + * + * The microcode will set the SCSI_CFG0 register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0, + PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN | + asc_dvc->chip_scsi_id); + + /* + * Determine SCSI_CFG1 Microcode Default Value. + * + * The microcode will set the SCSI_CFG1 register using this value + * after it is started below. + */ + + /* Read current SCSI_CFG1 Register value. */ + scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); + + /* + * If the internal narrow cable is reversed all of the SCSI_CTRL + * register signals will be set. Check for and return an error if + * this condition is found. + */ + if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) { + asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE; + return ADV_ERROR; + } + + /* + * All kind of combinations of devices attached to one of four + * connectors are acceptable except HVD device attached. For example, + * LVD device can be attached to SE connector while SE device attached + * to LVD connector. If LVD device attached to SE connector, it only + * runs up to Ultra speed. + * + * If an HVD device is attached to one of LVD connectors, return an + * error. However, there is no way to detect HVD device attached to + * SE connectors. + */ + if (scsi_cfg1 & HVD) { + asc_dvc->err_code = ASC_IERR_HVD_DEVICE; + return ADV_ERROR; + } + + /* + * If either SE or LVD automatic termination control is enabled, then + * set the termination value based on a table listed in a_condor.h. + * + * If manual termination was specified with an EEPROM setting then + * 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready + * to be 'ored' into SCSI_CFG1. + */ + if ((asc_dvc->cfg->termination & TERM_SE) == 0) { + /* SE automatic termination control is enabled. */ + switch (scsi_cfg1 & C_DET_SE) { + /* TERM_SE_HI: on, TERM_SE_LO: on */ + case 0x1: + case 0x2: + case 0x3: + asc_dvc->cfg->termination |= TERM_SE; + break; + + /* TERM_SE_HI: on, TERM_SE_LO: off */ + case 0x0: + asc_dvc->cfg->termination |= TERM_SE_HI; + break; + } + } + + if ((asc_dvc->cfg->termination & TERM_LVD) == 0) { + /* LVD automatic termination control is enabled. */ + switch (scsi_cfg1 & C_DET_LVD) { + /* TERM_LVD_HI: on, TERM_LVD_LO: on */ + case 0x4: + case 0x8: + case 0xC: + asc_dvc->cfg->termination |= TERM_LVD; + break; + + /* TERM_LVD_HI: off, TERM_LVD_LO: off */ + case 0x0: + break; + } + } + + /* + * Clear any set TERM_SE and TERM_LVD bits. + */ + scsi_cfg1 &= (~TERM_SE & ~TERM_LVD); + + /* + * Invert the TERM_SE and TERM_LVD bits and then set 'scsi_cfg1'. + */ + scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0); + + /* + * Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE + * bits and set possibly modified termination control bits in the + * Microcode SCSI_CFG1 Register Value. + */ + scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE); + + /* + * Set SCSI_CFG1 Microcode Default Value + * + * Set possibly modified termination control and reset DIS_TERM_DRV + * bits in the Microcode SCSI_CFG1 Register Value. + * + * The microcode will set the SCSI_CFG1 register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1); + + /* + * Set MEM_CFG Microcode Default Value + * + * The microcode will set the MEM_CFG register using this value + * after it is started below. + * + * MEM_CFG may be accessed as a word or byte, but only bits 0-7 + * are defined. + * + * ASC-38C0800 has 16KB internal memory. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG, + BIOS_EN | RAM_SZ_16KB); + + /* + * Set SEL_MASK Microcode Default Value + * + * The microcode will set the SEL_MASK register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK, + ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id)); + + AdvBuildCarrierFreelist(asc_dvc); + + /* + * Set-up the Host->RISC Initiator Command Queue (ICQ). + */ + + if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) { + asc_dvc->err_code |= ASC_IERR_NO_CARRIER; + return ADV_ERROR; + } + asc_dvc->carr_freelist = (ADV_CARR_T *) + ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa)); + + /* + * The first command issued will be placed in the stopper carrier. + */ + asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); + + /* + * Set RISC ICQ physical address start value. + * carr_pa is LE, must be native before write + */ + AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa); + + /* + * Set-up the RISC->Host Initiator Response Queue (IRQ). + */ + if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) { + asc_dvc->err_code |= ASC_IERR_NO_CARRIER; + return ADV_ERROR; + } + asc_dvc->carr_freelist = (ADV_CARR_T *) + ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa)); + + /* + * The first command completed by the RISC will be placed in + * the stopper. + * + * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is + * completed the RISC will set the ASC_RQ_STOPPER bit. + */ + asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); + + /* + * Set RISC IRQ physical address start value. + * + * carr_pa is LE, must be native before write * + */ + AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa); + asc_dvc->carr_pending_cnt = 0; + + AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES, + (ADV_INTR_ENABLE_HOST_INTR | + ADV_INTR_ENABLE_GLOBAL_INTR)); + + AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word); + AdvWriteWordRegister(iop_base, IOPW_PC, word); + + /* finally, finally, gentlemen, start your engine */ + AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN); + + /* + * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus + * Resets should be performed. The RISC has to be running + * to issue a SCSI Bus Reset. + */ + if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) { + /* + * If the BIOS Signature is present in memory, restore the + * BIOS Handshake Configuration Table and do not perform + * a SCSI Bus Reset. + */ + if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == + 0x55AA) { + /* + * Restore per TID negotiated values. + */ + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, + tagqng_able); + for (tid = 0; tid <= ADV_MAX_TID; tid++) { + AdvWriteByteLram(iop_base, + ASC_MC_NUMBER_OF_MAX_CMD + tid, + max_cmd[tid]); + } + } else { + if (AdvResetSB(asc_dvc) != ADV_TRUE) { + warn_code = ASC_WARN_BUSRESET_ERROR; + } + } + } + + return warn_code; } /* - * void - * DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words) + * Initialize the ASC-38C1600. * - * Calling/Exit State: - * none + * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR. * - * Description: - * Input an ASC_QDONE_INFO structure from the chip + * For a non-fatal error return a warning code. If there are no warnings + * then 0 is returned. + * + * Needed after initialization for error recovery. */ -STATIC void -DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words) -{ - int i; - ushort word; - - AscSetChipLramAddr(iop_base, s_addr); - for (i = 0; i < 2 * words; i += 2) { - if (i == 10) { - continue; - } - word = inpw(iop_base + IOP_RAM_DATA); - inbuf[i] = word & 0xff; - inbuf[i + 1] = (word >> 8) & 0xff; - } - ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words); -} +static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc) +{ + AdvPortAddr iop_base; + ushort warn_code; + int begin_addr; + int end_addr; + ushort code_sum; + long word; + int i; + ushort scsi_cfg1; + uchar byte; + uchar tid; + ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */ + ushort wdtr_able, sdtr_able, ppr_able, tagqng_able; + uchar max_cmd[ASC_MAX_TID + 1]; + + /* If there is already an error, don't continue. */ + if (asc_dvc->err_code != 0) { + return ADV_ERROR; + } -/* - * Read a PCI configuration byte. - */ -STATIC uchar __init -DvcReadPCIConfigByte( - ASC_DVC_VAR *asc_dvc, - ushort offset) -{ -#ifdef CONFIG_PCI - uchar byte_data; - pci_read_config_byte(to_pci_dev(asc_dvc->cfg->dev), offset, &byte_data); - return byte_data; -#else /* !defined(CONFIG_PCI) */ - return 0; -#endif /* !defined(CONFIG_PCI) */ -} + /* + * The caller must set 'chip_type' to ADV_CHIP_ASC38C1600. + */ + if (asc_dvc->chip_type != ADV_CHIP_ASC38C1600) { + asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE; + return ADV_ERROR; + } -/* - * Write a PCI configuration byte. - */ -STATIC void __init -DvcWritePCIConfigByte( - ASC_DVC_VAR *asc_dvc, - ushort offset, - uchar byte_data) -{ -#ifdef CONFIG_PCI - pci_write_config_byte(to_pci_dev(asc_dvc->cfg->dev), offset, byte_data); -#endif /* CONFIG_PCI */ -} + warn_code = 0; + iop_base = asc_dvc->iop_base; + + /* + * Save the RISC memory BIOS region before writing the microcode. + * The BIOS may already be loaded and using its RISC LRAM region + * so its region must be saved and restored. + * + * Note: This code makes the assumption, which is currently true, + * that a chip reset does not clear RISC LRAM. + */ + for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) { + AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), + bios_mem[i]); + } -/* - * Return the BIOS address of the adapter at the specified - * I/O port and with the specified bus type. - */ -STATIC ushort __init -AscGetChipBiosAddress( - PortAddr iop_base, - ushort bus_type) -{ - ushort cfg_lsw; - ushort bios_addr; - - /* - * The PCI BIOS is re-located by the motherboard BIOS. Because - * of this the driver can not determine where a PCI BIOS is - * loaded and executes. - */ - if (bus_type & ASC_IS_PCI) - { - return(0); - } + /* + * Save current per TID negotiated values. + */ + AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able); + AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); + for (tid = 0; tid <= ASC_MAX_TID; tid++) { + AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, + max_cmd[tid]); + } -#ifdef CONFIG_ISA - if((bus_type & ASC_IS_EISA) != 0) - { - cfg_lsw = AscGetEisaChipCfg(iop_base); - cfg_lsw &= 0x000F; - bios_addr = (ushort)(ASC_BIOS_MIN_ADDR + - (cfg_lsw * ASC_BIOS_BANK_SIZE)); - return(bios_addr); - }/* if */ -#endif /* CONFIG_ISA */ + /* + * RAM BIST (Built-In Self Test) + * + * Address : I/O base + offset 0x38h register (byte). + * Function: Bit 7-6(RW) : RAM mode + * Normal Mode : 0x00 + * Pre-test Mode : 0x40 + * RAM Test Mode : 0x80 + * Bit 5 : unused + * Bit 4(RO) : Done bit + * Bit 3-0(RO) : Status + * Host Error : 0x08 + * Int_RAM Error : 0x04 + * RISC Error : 0x02 + * SCSI Error : 0x01 + * No Error : 0x00 + * + * Note: RAM BIST code should be put right here, before loading the + * microcode and after saving the RISC memory BIOS region. + */ + + /* + * LRAM Pre-test + * + * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds. + * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return + * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset + * to NORMAL_MODE, return an error too. + */ + for (i = 0; i < 2; i++) { + AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE); + mdelay(10); /* Wait for 10ms before reading back. */ + byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST); + if ((byte & RAM_TEST_DONE) == 0 + || (byte & 0x0F) != PRE_TEST_VALUE) { + asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST; + return ADV_ERROR; + } + + AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE); + mdelay(10); /* Wait for 10ms before reading back. */ + if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST) + != NORMAL_VALUE) { + asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST; + return ADV_ERROR; + } + } - cfg_lsw = AscGetChipCfgLsw(iop_base); + /* + * LRAM Test - It takes about 1.5 ms to run through the test. + * + * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds. + * If Done bit not set or Status not 0, save register byte, set the + * err_code, and return an error. + */ + AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE); + mdelay(10); /* Wait for 10ms before checking status. */ + + byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST); + if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) { + /* Get here if Done bit not set or Status not 0. */ + asc_dvc->bist_err_code = byte; /* for BIOS display message */ + asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST; + return ADV_ERROR; + } - /* - * ISA PnP uses the top bit as the 32K BIOS flag - */ - if (bus_type == ASC_IS_ISAPNP) - { - cfg_lsw &= 0x7FFF; - }/* if */ + /* We need to reset back to normal mode after LRAM test passes. */ + AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE); + + asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc38C1600_buf, + _adv_asc38C1600_size, ADV_38C1600_MEMSIZE, + _adv_asc38C1600_chksum); + if (asc_dvc->err_code) + return ADV_ERROR; + + /* + * Restore the RISC memory BIOS region. + */ + for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) { + AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), + bios_mem[i]); + } - bios_addr = (ushort)(((cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE) + - ASC_BIOS_MIN_ADDR); - return(bios_addr); -} + /* + * Calculate and write the microcode code checksum to the microcode + * code checksum location ASC_MC_CODE_CHK_SUM (0x2C). + */ + AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr); + AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr); + code_sum = 0; + AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr); + for (word = begin_addr; word < end_addr; word += 2) { + code_sum += AdvReadWordAutoIncLram(iop_base); + } + AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum); + + /* + * Read microcode version and date. + */ + AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE, + asc_dvc->cfg->mcode_date); + AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM, + asc_dvc->cfg->mcode_version); + + /* + * Set the chip type to indicate the ASC38C1600. + */ + AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C1600); + + /* + * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register. + * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current + * cable detection and then we are able to read C_DET[3:0]. + * + * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1 + * Microcode Default Value' section below. + */ + scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); + AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1, + scsi_cfg1 | DIS_TERM_DRV); + + /* + * If the PCI Configuration Command Register "Parity Error Response + * Control" Bit was clear (0), then set the microcode variable + * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode + * to ignore DMA parity errors. + */ + if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) { + AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + word |= CONTROL_FLAG_IGNORE_PERR; + AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + } + /* + * If the BIOS control flag AIPP (Asynchronous Information + * Phase Protection) disable bit is not set, then set the firmware + * 'control_flag' CONTROL_FLAG_ENABLE_AIPP bit to enable + * AIPP checking and encoding. + */ + if ((asc_dvc->bios_ctrl & BIOS_CTRL_AIPP_DIS) == 0) { + AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + word |= CONTROL_FLAG_ENABLE_AIPP; + AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + } -/* - * --- Functions Required by the Adv Library - */ + /* + * For ASC-38C1600 use DMA_CFG0 default values: FIFO_THRESH_80B [6:4], + * and START_CTL_TH [3:2]. + */ + AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0, + FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM); + + /* + * Microcode operating variables for WDTR, SDTR, and command tag + * queuing will be set in slave_configure() based on what a + * device reports it is capable of in Inquiry byte 7. + * + * If SCSI Bus Resets have been disabled, then directly set + * SDTR and WDTR from the EEPROM configuration. This will allow + * the BIOS and warm boot to work without a SCSI bus hang on + * the Inquiry caused by host and target mismatched DTR values. + * Without the SCSI Bus Reset, before an Inquiry a device can't + * be assumed to be in Asynchronous, Narrow mode. + */ + if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) { + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, + asc_dvc->wdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, + asc_dvc->sdtr_able); + } -/* - * DvcGetPhyAddr() - * - * Return the physical address of 'vaddr' and set '*lenp' to the - * number of physically contiguous bytes that follow 'vaddr'. - * 'flag' indicates the type of structure whose physical address - * is being translated. - * - * Note: Because Linux currently doesn't page the kernel and all - * kernel buffers are physically contiguous, leave '*lenp' unchanged. - */ -ADV_PADDR -DvcGetPhyAddr(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq, - uchar *vaddr, ADV_SDCNT *lenp, int flag) -{ - ADV_PADDR paddr; + /* + * Set microcode operating variables for DISC and SDTR_SPEED1, + * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM + * configuration values. + * + * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2, + * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them + * without determining here whether the device supports SDTR. + */ + AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE, + asc_dvc->cfg->disc_enable); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4); + + /* + * Set SCSI_CFG0 Microcode Default Value. + * + * The microcode will set the SCSI_CFG0 register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0, + PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN | + asc_dvc->chip_scsi_id); + + /* + * Calculate SCSI_CFG1 Microcode Default Value. + * + * The microcode will set the SCSI_CFG1 register using this value + * after it is started below. + * + * Each ASC-38C1600 function has only two cable detect bits. + * The bus mode override bits are in IOPB_SOFT_OVER_WR. + */ + scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); + + /* + * If the cable is reversed all of the SCSI_CTRL register signals + * will be set. Check for and return an error if this condition is + * found. + */ + if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) { + asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE; + return ADV_ERROR; + } + + /* + * Each ASC-38C1600 function has two connectors. Only an HVD device + * can not be connected to either connector. An LVD device or SE device + * may be connected to either connecor. If an SE device is connected, + * then at most Ultra speed (20 Mhz) can be used on both connectors. + * + * If an HVD device is attached, return an error. + */ + if (scsi_cfg1 & HVD) { + asc_dvc->err_code |= ASC_IERR_HVD_DEVICE; + return ADV_ERROR; + } - paddr = virt_to_bus(vaddr); + /* + * Each function in the ASC-38C1600 uses only the SE cable detect and + * termination because there are two connectors for each function. Each + * function may use either LVD or SE mode. Corresponding the SE automatic + * termination control EEPROM bits are used for each function. Each + * function has its own EEPROM. If SE automatic control is enabled for + * the function, then set the termination value based on a table listed + * in a_condor.h. + * + * If manual termination is specified in the EEPROM for the function, + * then 'termination' was set-up in AscInitFrom38C1600EEPROM() and is + * ready to be 'ored' into SCSI_CFG1. + */ + if ((asc_dvc->cfg->termination & TERM_SE) == 0) { + struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc); + /* SE automatic termination control is enabled. */ + switch (scsi_cfg1 & C_DET_SE) { + /* TERM_SE_HI: on, TERM_SE_LO: on */ + case 0x1: + case 0x2: + case 0x3: + asc_dvc->cfg->termination |= TERM_SE; + break; + + case 0x0: + if (PCI_FUNC(pdev->devfn) == 0) { + /* Function 0 - TERM_SE_HI: off, TERM_SE_LO: off */ + } else { + /* Function 1 - TERM_SE_HI: on, TERM_SE_LO: off */ + asc_dvc->cfg->termination |= TERM_SE_HI; + } + break; + } + } - ASC_DBG4(4, - "DvcGetPhyAddr: vaddr 0x%lx, lenp 0x%lx *lenp %lu, paddr 0x%lx\n", - (ulong) vaddr, (ulong) lenp, (ulong) *((ulong *) lenp), (ulong) paddr); + /* + * Clear any set TERM_SE bits. + */ + scsi_cfg1 &= ~TERM_SE; + + /* + * Invert the TERM_SE bits and then set 'scsi_cfg1'. + */ + scsi_cfg1 |= (~asc_dvc->cfg->termination & TERM_SE); + + /* + * Clear Big Endian and Terminator Polarity bits and set possibly + * modified termination control bits in the Microcode SCSI_CFG1 + * Register Value. + * + * Big Endian bit is not used even on big endian machines. + */ + scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL); + + /* + * Set SCSI_CFG1 Microcode Default Value + * + * Set possibly modified termination control bits in the Microcode + * SCSI_CFG1 Register Value. + * + * The microcode will set the SCSI_CFG1 register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1); + + /* + * Set MEM_CFG Microcode Default Value + * + * The microcode will set the MEM_CFG register using this value + * after it is started below. + * + * MEM_CFG may be accessed as a word or byte, but only bits 0-7 + * are defined. + * + * ASC-38C1600 has 32KB internal memory. + * + * XXX - Since ASC38C1600 Rev.3 has a Local RAM failure issue, we come + * out a special 16K Adv Library and Microcode version. After the issue + * resolved, we should turn back to the 32K support. Both a_condor.h and + * mcode.sas files also need to be updated. + * + * AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG, + * BIOS_EN | RAM_SZ_32KB); + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG, + BIOS_EN | RAM_SZ_16KB); + + /* + * Set SEL_MASK Microcode Default Value + * + * The microcode will set the SEL_MASK register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK, + ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id)); + + AdvBuildCarrierFreelist(asc_dvc); + + /* + * Set-up the Host->RISC Initiator Command Queue (ICQ). + */ + if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) { + asc_dvc->err_code |= ASC_IERR_NO_CARRIER; + return ADV_ERROR; + } + asc_dvc->carr_freelist = (ADV_CARR_T *) + ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa)); + + /* + * The first command issued will be placed in the stopper carrier. + */ + asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); + + /* + * Set RISC ICQ physical address start value. Initialize the + * COMMA register to the same value otherwise the RISC will + * prematurely detect a command is available. + */ + AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa); + AdvWriteDWordRegister(iop_base, IOPDW_COMMA, + le32_to_cpu(asc_dvc->icq_sp->carr_pa)); + + /* + * Set-up the RISC->Host Initiator Response Queue (IRQ). + */ + if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) { + asc_dvc->err_code |= ASC_IERR_NO_CARRIER; + return ADV_ERROR; + } + asc_dvc->carr_freelist = (ADV_CARR_T *) + ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa)); + + /* + * The first command completed by the RISC will be placed in + * the stopper. + * + * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is + * completed the RISC will set the ASC_RQ_STOPPER bit. + */ + asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); + + /* + * Set RISC IRQ physical address start value. + */ + AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa); + asc_dvc->carr_pending_cnt = 0; + + AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES, + (ADV_INTR_ENABLE_HOST_INTR | + ADV_INTR_ENABLE_GLOBAL_INTR)); + AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word); + AdvWriteWordRegister(iop_base, IOPW_PC, word); + + /* finally, finally, gentlemen, start your engine */ + AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN); + + /* + * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus + * Resets should be performed. The RISC has to be running + * to issue a SCSI Bus Reset. + */ + if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) { + /* + * If the BIOS Signature is present in memory, restore the + * per TID microcode operating variables. + */ + if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == + 0x55AA) { + /* + * Restore per TID negotiated values. + */ + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able); + AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, + tagqng_able); + for (tid = 0; tid <= ASC_MAX_TID; tid++) { + AdvWriteByteLram(iop_base, + ASC_MC_NUMBER_OF_MAX_CMD + tid, + max_cmd[tid]); + } + } else { + if (AdvResetSB(asc_dvc) != ADV_TRUE) { + warn_code = ASC_WARN_BUSRESET_ERROR; + } + } + } - return paddr; + return warn_code; } /* - * Read a PCI configuration byte. + * Reset chip and SCSI Bus. + * + * Return Value: + * ADV_TRUE(1) - Chip re-initialization and SCSI Bus Reset successful. + * ADV_FALSE(0) - Chip re-initialization and SCSI Bus Reset failure. */ -STATIC uchar __init -DvcAdvReadPCIConfigByte( - ADV_DVC_VAR *asc_dvc, - ushort offset) +static int AdvResetChipAndSB(ADV_DVC_VAR *asc_dvc) { -#ifdef CONFIG_PCI - uchar byte_data; - pci_read_config_byte(to_pci_dev(asc_dvc->cfg->dev), offset, &byte_data); - return byte_data; -#else /* CONFIG_PCI */ - return 0; -#endif /* CONFIG_PCI */ + int status; + ushort wdtr_able, sdtr_able, tagqng_able; + ushort ppr_able = 0; + uchar tid, max_cmd[ADV_MAX_TID + 1]; + AdvPortAddr iop_base; + ushort bios_sig; + + iop_base = asc_dvc->iop_base; + + /* + * Save current per TID negotiated values. + */ + AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) { + AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able); + } + AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); + for (tid = 0; tid <= ADV_MAX_TID; tid++) { + AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, + max_cmd[tid]); + } + + /* + * Force the AdvInitAsc3550/38C0800Driver() function to + * perform a SCSI Bus Reset by clearing the BIOS signature word. + * The initialization functions assumes a SCSI Bus Reset is not + * needed if the BIOS signature word is present. + */ + AdvReadWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig); + AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, 0); + + /* + * Stop chip and reset it. + */ + AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_STOP); + AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET); + mdelay(100); + AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, + ADV_CTRL_REG_CMD_WR_IO_REG); + + /* + * Reset Adv Library error code, if any, and try + * re-initializing the chip. + */ + asc_dvc->err_code = 0; + if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) { + status = AdvInitAsc38C1600Driver(asc_dvc); + } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) { + status = AdvInitAsc38C0800Driver(asc_dvc); + } else { + status = AdvInitAsc3550Driver(asc_dvc); + } + + /* Translate initialization return value to status value. */ + if (status == 0) { + status = ADV_TRUE; + } else { + status = ADV_FALSE; + } + + /* + * Restore the BIOS signature word. + */ + AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig); + + /* + * Restore per TID negotiated values. + */ + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) { + AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able); + } + AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); + for (tid = 0; tid <= ADV_MAX_TID; tid++) { + AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, + max_cmd[tid]); + } + + return status; } /* - * Write a PCI configuration byte. + * adv_async_callback() - Adv Library asynchronous event callback function. */ -STATIC void __init -DvcAdvWritePCIConfigByte( - ADV_DVC_VAR *asc_dvc, - ushort offset, - uchar byte_data) +static void adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code) { -#ifdef CONFIG_PCI - pci_write_config_byte(to_pci_dev(asc_dvc->cfg->dev), offset, byte_data); -#else /* CONFIG_PCI */ - return; -#endif /* CONFIG_PCI */ -} + switch (code) { + case ADV_ASYNC_SCSI_BUS_RESET_DET: + /* + * The firmware detected a SCSI Bus reset. + */ + ASC_DBG(0, "ADV_ASYNC_SCSI_BUS_RESET_DET\n"); + break; -/* - * --- Tracing and Debugging Functions - */ + case ADV_ASYNC_RDMA_FAILURE: + /* + * Handle RDMA failure by resetting the SCSI Bus and + * possibly the chip if it is unresponsive. Log the error + * with a unique code. + */ + ASC_DBG(0, "ADV_ASYNC_RDMA_FAILURE\n"); + AdvResetChipAndSB(adv_dvc_varp); + break; + + case ADV_HOST_SCSI_BUS_RESET: + /* + * Host generated SCSI bus reset occurred. + */ + ASC_DBG(0, "ADV_HOST_SCSI_BUS_RESET\n"); + break; + + default: + ASC_DBG(0, "unknown code 0x%x\n", code); + break; + } +} -#ifdef ADVANSYS_STATS -#ifdef CONFIG_PROC_FS /* - * asc_prt_board_stats() - * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). + * adv_isr_callback() - Second Level Interrupt Handler called by AdvISR(). * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. + * Callback function for the Wide SCSI Adv Library. */ -STATIC int -asc_prt_board_stats(struct Scsi_Host *shp, char *cp, int cplen) -{ - int leftlen; - int totlen; - int len; - struct asc_stats *s; - asc_board_t *boardp; - - leftlen = cplen; - totlen = len = 0; - - boardp = ASC_BOARDP(shp); - s = &boardp->asc_stats; - - len = asc_prt_line(cp, leftlen, -"\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n", shp->host_no); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" queuecommand %lu, reset %lu, biosparam %lu, interrupt %lu\n", - s->queuecommand, s->reset, s->biosparam, s->interrupt); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" callback %lu, done %lu, build_error %lu, build_noreq %lu, build_nosg %lu\n", - s->callback, s->done, s->build_error, s->adv_build_noreq, - s->adv_build_nosg); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" exe_noerror %lu, exe_busy %lu, exe_error %lu, exe_unknown %lu\n", - s->exe_noerror, s->exe_busy, s->exe_error, s->exe_unknown); - ASC_PRT_NEXT(); - - /* - * Display data transfer statistics. - */ - if (s->cont_cnt > 0) { - len = asc_prt_line(cp, leftlen, " cont_cnt %lu, ", s->cont_cnt); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, "cont_xfer %lu.%01lu kb ", - s->cont_xfer/2, - ASC_TENTHS(s->cont_xfer, 2)); - ASC_PRT_NEXT(); - - /* Contiguous transfer average size */ - len = asc_prt_line(cp, leftlen, "avg_xfer %lu.%01lu kb\n", - (s->cont_xfer/2)/s->cont_cnt, - ASC_TENTHS((s->cont_xfer/2), s->cont_cnt)); - ASC_PRT_NEXT(); - } +static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp) +{ + struct asc_board *boardp; + adv_req_t *reqp; + adv_sgblk_t *sgblkp; + struct scsi_cmnd *scp; + struct Scsi_Host *shost; + ADV_DCNT resid_cnt; + + ASC_DBG(1, "adv_dvc_varp 0x%lx, scsiqp 0x%lx\n", + (ulong)adv_dvc_varp, (ulong)scsiqp); + ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp); + + /* + * Get the adv_req_t structure for the command that has been + * completed. The adv_req_t structure actually contains the + * completed ADV_SCSI_REQ_Q structure. + */ + reqp = (adv_req_t *)ADV_U32_TO_VADDR(scsiqp->srb_ptr); + ASC_DBG(1, "reqp 0x%lx\n", (ulong)reqp); + if (reqp == NULL) { + ASC_PRINT("adv_isr_callback: reqp is NULL\n"); + return; + } + + /* + * Get the struct scsi_cmnd structure and Scsi_Host structure for the + * command that has been completed. + * + * Note: The adv_req_t request structure and adv_sgblk_t structure, + * if any, are dropped, because a board structure pointer can not be + * determined. + */ + scp = reqp->cmndp; + ASC_DBG(1, "scp 0x%p\n", scp); + if (scp == NULL) { + ASC_PRINT + ("adv_isr_callback: scp is NULL; adv_req_t dropped.\n"); + return; + } + ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len); - if (s->sg_cnt > 0) { + shost = scp->device->host; + ASC_STATS(shost, callback); + ASC_DBG(1, "shost 0x%p\n", shost); - len = asc_prt_line(cp, leftlen, " sg_cnt %lu, sg_elem %lu, ", - s->sg_cnt, s->sg_elem); - ASC_PRT_NEXT(); + boardp = shost_priv(shost); + BUG_ON(adv_dvc_varp != &boardp->dvc_var.adv_dvc_var); - len = asc_prt_line(cp, leftlen, "sg_xfer %lu.%01lu kb\n", - s->sg_xfer/2, - ASC_TENTHS(s->sg_xfer, 2)); - ASC_PRT_NEXT(); + /* + * 'done_status' contains the command's ending status. + */ + switch (scsiqp->done_status) { + case QD_NO_ERROR: + ASC_DBG(2, "QD_NO_ERROR\n"); + scp->result = 0; - /* Scatter gather transfer statistics */ - len = asc_prt_line(cp, leftlen, " avg_num_elem %lu.%01lu, ", - s->sg_elem/s->sg_cnt, - ASC_TENTHS(s->sg_elem, s->sg_cnt)); - ASC_PRT_NEXT(); + /* + * Check for an underrun condition. + * + * If there was no error and an underrun condition, then + * then return the number of underrun bytes. + */ + resid_cnt = le32_to_cpu(scsiqp->data_cnt); + if (scsi_bufflen(scp) != 0 && resid_cnt != 0 && + resid_cnt <= scsi_bufflen(scp)) { + ASC_DBG(1, "underrun condition %lu bytes\n", + (ulong)resid_cnt); + scsi_set_resid(scp, resid_cnt); + } + break; + + case QD_WITH_ERROR: + ASC_DBG(2, "QD_WITH_ERROR\n"); + switch (scsiqp->host_status) { + case QHSTA_NO_ERROR: + if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) { + ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n"); + ASC_DBG_PRT_SENSE(2, scp->sense_buffer, + SCSI_SENSE_BUFFERSIZE); + /* + * Note: The 'status_byte()' macro used by + * target drivers defined in scsi.h shifts the + * status byte returned by host drivers right + * by 1 bit. This is why target drivers also + * use right shifted status byte definitions. + * For instance target drivers use + * CHECK_CONDITION, defined to 0x1, instead of + * the SCSI defined check condition value of + * 0x2. Host drivers are supposed to return + * the status byte as it is defined by SCSI. + */ + scp->result = DRIVER_BYTE(DRIVER_SENSE) | + STATUS_BYTE(scsiqp->scsi_status); + } else { + scp->result = STATUS_BYTE(scsiqp->scsi_status); + } + break; + + default: + /* Some other QHSTA error occurred. */ + ASC_DBG(1, "host_status 0x%x\n", scsiqp->host_status); + scp->result = HOST_BYTE(DID_BAD_TARGET); + break; + } + break; + + case QD_ABORTED_BY_HOST: + ASC_DBG(1, "QD_ABORTED_BY_HOST\n"); + scp->result = + HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status); + break; + + default: + ASC_DBG(1, "done_status 0x%x\n", scsiqp->done_status); + scp->result = + HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status); + break; + } - len = asc_prt_line(cp, leftlen, "avg_elem_size %lu.%01lu kb, ", - (s->sg_xfer/2)/s->sg_elem, - ASC_TENTHS((s->sg_xfer/2), s->sg_elem)); - ASC_PRT_NEXT(); + /* + * If the 'init_tidmask' bit isn't already set for the target and the + * current request finished normally, then set the bit for the target + * to indicate that a device is present. + */ + if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 && + scsiqp->done_status == QD_NO_ERROR && + scsiqp->host_status == QHSTA_NO_ERROR) { + boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id); + } - len = asc_prt_line(cp, leftlen, "avg_xfer_size %lu.%01lu kb\n", - (s->sg_xfer/2)/s->sg_cnt, - ASC_TENTHS((s->sg_xfer/2), s->sg_cnt)); - ASC_PRT_NEXT(); - } + asc_scsi_done(scp); - /* - * Display request queuing statistics. - */ - len = asc_prt_line(cp, leftlen, -" Active and Waiting Request Queues (Time Unit: %d HZ):\n", HZ); - ASC_PRT_NEXT(); + /* + * Free all 'adv_sgblk_t' structures allocated for the request. + */ + while ((sgblkp = reqp->sgblkp) != NULL) { + /* Remove 'sgblkp' from the request list. */ + reqp->sgblkp = sgblkp->next_sgblkp; + /* Add 'sgblkp' to the board free list. */ + sgblkp->next_sgblkp = boardp->adv_sgblkp; + boardp->adv_sgblkp = sgblkp; + } + + /* + * Free the adv_req_t structure used with the command by adding + * it back to the board free list. + */ + reqp->next_reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp; - return totlen; + ASC_DBG(1, "done\n"); } /* - * asc_prt_target_stats() + * Adv Library Interrupt Service Routine * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). + * This function is called by a driver's interrupt service routine. + * The function disables and re-enables interrupts. * - * This is separated from asc_prt_board_stats because a full set - * of targets will overflow ASC_PRTBUF_SIZE. + * When a microcode idle command is completed, the ADV_DVC_VAR + * 'idle_cmd_done' field is set to ADV_TRUE. * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. + * Note: AdvISR() can be called when interrupts are disabled or even + * when there is no hardware interrupt condition present. It will + * always check for completed idle commands and microcode requests. + * This is an important feature that shouldn't be changed because it + * allows commands to be completed from polling mode loops. + * + * Return: + * ADV_TRUE(1) - interrupt was pending + * ADV_FALSE(0) - no interrupt was pending */ -STATIC int -asc_prt_target_stats(struct Scsi_Host *shp, int tgt_id, char *cp, int cplen) +static int AdvISR(ADV_DVC_VAR *asc_dvc) { - int leftlen; - int totlen; - int len; - struct asc_stats *s; - ushort chip_scsi_id; - asc_board_t *boardp; - asc_queue_t *active; - asc_queue_t *waiting; - - leftlen = cplen; - totlen = len = 0; - - boardp = ASC_BOARDP(shp); - s = &boardp->asc_stats; - - active = &ASC_BOARDP(shp)->active; - waiting = &ASC_BOARDP(shp)->waiting; - - if (ASC_NARROW_BOARD(boardp)) { - chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; - } else { - chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; - } - - if ((chip_scsi_id == tgt_id) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(tgt_id)) == 0)) { - return 0; - } + AdvPortAddr iop_base; + uchar int_stat; + ushort target_bit; + ADV_CARR_T *free_carrp; + ADV_VADDR irq_next_vpa; + ADV_SCSI_REQ_Q *scsiq; - do { - if (active->q_tot_cnt[tgt_id] > 0 || waiting->q_tot_cnt[tgt_id] > 0) { - len = asc_prt_line(cp, leftlen, " target %d\n", tgt_id); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" active: cnt [cur %d, max %d, tot %u], time [min %d, max %d, avg %lu.%01lu]\n", - active->q_cur_cnt[tgt_id], active->q_max_cnt[tgt_id], - active->q_tot_cnt[tgt_id], - active->q_min_tim[tgt_id], active->q_max_tim[tgt_id], - (active->q_tot_cnt[tgt_id] == 0) ? 0 : - (active->q_tot_tim[tgt_id]/active->q_tot_cnt[tgt_id]), - (active->q_tot_cnt[tgt_id] == 0) ? 0 : - ASC_TENTHS(active->q_tot_tim[tgt_id], - active->q_tot_cnt[tgt_id])); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, -" waiting: cnt [cur %d, max %d, tot %u], time [min %u, max %u, avg %lu.%01lu]\n", - waiting->q_cur_cnt[tgt_id], waiting->q_max_cnt[tgt_id], - waiting->q_tot_cnt[tgt_id], - waiting->q_min_tim[tgt_id], waiting->q_max_tim[tgt_id], - (waiting->q_tot_cnt[tgt_id] == 0) ? 0 : - (waiting->q_tot_tim[tgt_id]/waiting->q_tot_cnt[tgt_id]), - (waiting->q_tot_cnt[tgt_id] == 0) ? 0 : - ASC_TENTHS(waiting->q_tot_tim[tgt_id], - waiting->q_tot_cnt[tgt_id])); - ASC_PRT_NEXT(); - } - } while (0); - - return totlen; -} -#endif /* CONFIG_PROC_FS */ -#endif /* ADVANSYS_STATS */ + iop_base = asc_dvc->iop_base; -#ifdef ADVANSYS_DEBUG -/* - * asc_prt_scsi_host() - */ -STATIC void -asc_prt_scsi_host(struct Scsi_Host *s) -{ - asc_board_t *boardp; - - boardp = ASC_BOARDP(s); - - printk("Scsi_Host at addr 0x%lx\n", (ulong) s); - printk( -" host_busy %u, host_no %d, last_reset %d,\n", - s->host_busy, s->host_no, - (unsigned) s->last_reset); - - printk( -" base 0x%lx, io_port 0x%lx, n_io_port %u, irq 0x%x,\n", - (ulong) s->base, (ulong) s->io_port, s->n_io_port, s->irq); - - printk( -" dma_channel %d, this_id %d, can_queue %d,\n", - s->dma_channel, s->this_id, s->can_queue); - - printk( -" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d\n", - s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma); - - if (ASC_NARROW_BOARD(boardp)) { - asc_prt_asc_dvc_var(&ASC_BOARDP(s)->dvc_var.asc_dvc_var); - asc_prt_asc_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.asc_dvc_cfg); - } else { - asc_prt_adv_dvc_var(&ASC_BOARDP(s)->dvc_var.adv_dvc_var); - asc_prt_adv_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.adv_dvc_cfg); - } -} + /* Reading the register clears the interrupt. */ + int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG); -/* - * asc_prt_scsi_cmnd() - */ -STATIC void -asc_prt_scsi_cmnd(struct scsi_cmnd *s) -{ - printk("struct scsi_cmnd at addr 0x%lx\n", (ulong) s); + if ((int_stat & (ADV_INTR_STATUS_INTRA | ADV_INTR_STATUS_INTRB | + ADV_INTR_STATUS_INTRC)) == 0) { + return ADV_FALSE; + } - printk( -" host 0x%lx, device 0x%lx, target %u, lun %u, channel %u,\n", - (ulong) s->device->host, (ulong) s->device, s->device->id, s->device->lun, - s->device->channel); + /* + * Notify the driver of an asynchronous microcode condition by + * calling the adv_async_callback function. The function + * is passed the microcode ASC_MC_INTRB_CODE byte value. + */ + if (int_stat & ADV_INTR_STATUS_INTRB) { + uchar intrb_code; + + AdvReadByteLram(iop_base, ASC_MC_INTRB_CODE, intrb_code); + + if (asc_dvc->chip_type == ADV_CHIP_ASC3550 || + asc_dvc->chip_type == ADV_CHIP_ASC38C0800) { + if (intrb_code == ADV_ASYNC_CARRIER_READY_FAILURE && + asc_dvc->carr_pending_cnt != 0) { + AdvWriteByteRegister(iop_base, IOPB_TICKLE, + ADV_TICKLE_A); + if (asc_dvc->chip_type == ADV_CHIP_ASC3550) { + AdvWriteByteRegister(iop_base, + IOPB_TICKLE, + ADV_TICKLE_NOP); + } + } + } + + adv_async_callback(asc_dvc, intrb_code); + } - asc_prt_hex(" CDB", s->cmnd, s->cmd_len); + /* + * Check if the IRQ stopper carrier contains a completed request. + */ + while (((irq_next_vpa = + le32_to_cpu(asc_dvc->irq_sp->next_vpa)) & ASC_RQ_DONE) != 0) { + /* + * Get a pointer to the newly completed ADV_SCSI_REQ_Q structure. + * The RISC will have set 'areq_vpa' to a virtual address. + * + * The firmware will have copied the ASC_SCSI_REQ_Q.scsiq_ptr + * field to the carrier ADV_CARR_T.areq_vpa field. The conversion + * below complements the conversion of ASC_SCSI_REQ_Q.scsiq_ptr' + * in AdvExeScsiQueue(). + */ + scsiq = (ADV_SCSI_REQ_Q *) + ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->areq_vpa)); - printk ( -"sc_data_direction %u, resid %d\n", - s->sc_data_direction, s->resid); + /* + * Request finished with good status and the queue was not + * DMAed to host memory by the firmware. Set all status fields + * to indicate good status. + */ + if ((irq_next_vpa & ASC_RQ_GOOD) != 0) { + scsiq->done_status = QD_NO_ERROR; + scsiq->host_status = scsiq->scsi_status = 0; + scsiq->data_cnt = 0L; + } - printk( -" use_sg %u, sglist_len %u\n", - s->use_sg, s->sglist_len); + /* + * Advance the stopper pointer to the next carrier + * ignoring the lower four bits. Free the previous + * stopper carrier. + */ + free_carrp = asc_dvc->irq_sp; + asc_dvc->irq_sp = (ADV_CARR_T *) + ADV_U32_TO_VADDR(ASC_GET_CARRP(irq_next_vpa)); - printk( -" serial_number 0x%x, retries %d, allowed %d\n", - (unsigned) s->serial_number, s->retries, s->allowed); + free_carrp->next_vpa = + cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist)); + asc_dvc->carr_freelist = free_carrp; + asc_dvc->carr_pending_cnt--; - printk( -" timeout_per_command %d\n", - s->timeout_per_command); + target_bit = ADV_TID_TO_TIDMASK(scsiq->target_id); - printk( -" scsi_done 0x%lx, done 0x%lx, host_scribble 0x%lx, result 0x%x\n", - (ulong) s->scsi_done, (ulong) s->done, - (ulong) s->host_scribble, s->result); + /* + * Clear request microcode control flag. + */ + scsiq->cntl = 0; - printk( -" tag %u, pid %u\n", - (unsigned) s->tag, (unsigned) s->pid); + /* + * Notify the driver of the completed request by passing + * the ADV_SCSI_REQ_Q pointer to its callback function. + */ + scsiq->a_flag |= ADV_SCSIQ_DONE; + adv_isr_callback(asc_dvc, scsiq); + /* + * Note: After the driver callback function is called, 'scsiq' + * can no longer be referenced. + * + * Fall through and continue processing other completed + * requests... + */ + } + return ADV_TRUE; } -/* - * asc_prt_asc_dvc_var() - */ -STATIC void -asc_prt_asc_dvc_var(ASC_DVC_VAR *h) +static int AscSetLibErrorCode(ASC_DVC_VAR *asc_dvc, ushort err_code) { - printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong) h); - - printk( -" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl %d,\n", - h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl); - - printk( -" bus_type %d, isr_callback 0x%lx, exe_callback 0x%lx, init_sdtr 0x%x,\n", - h->bus_type, (ulong) h->isr_callback, (ulong) h->exe_callback, - (unsigned) h->init_sdtr); - - printk( -" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, chip_no 0x%x,\n", - (unsigned) h->sdtr_done, (unsigned) h->use_tagged_qng, - (unsigned) h->unit_not_ready, (unsigned) h->chip_no); - - printk( -" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait %u,\n", - (unsigned) h->queue_full_or_busy, (unsigned) h->start_motor, - (unsigned) h->scsi_reset_wait); - - printk( -" is_in_int %u, max_total_qng %u, cur_total_qng %u, in_critical_cnt %u,\n", - (unsigned) h->is_in_int, (unsigned) h->max_total_qng, - (unsigned) h->cur_total_qng, (unsigned) h->in_critical_cnt); - - printk( -" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, pci_fix_asyn_xfer 0x%x,\n", - (unsigned) h->last_q_shortage, (unsigned) h->init_state, - (unsigned) h->no_scam, (unsigned) h->pci_fix_asyn_xfer); - - printk( -" cfg 0x%lx, irq_no 0x%x\n", - (ulong) h->cfg, (unsigned) h->irq_no); + if (asc_dvc->err_code == 0) { + asc_dvc->err_code = err_code; + AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W, + err_code); + } + return err_code; +} + +static void AscAckInterrupt(PortAddr iop_base) +{ + uchar host_flag; + uchar risc_flag; + ushort loop; + + loop = 0; + do { + risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B); + if (loop++ > 0x7FFF) { + break; + } + } while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0); + host_flag = + AscReadLramByte(iop_base, + ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT); + AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, + (uchar)(host_flag | ASC_HOST_FLAG_ACK_INT)); + AscSetChipStatus(iop_base, CIW_INT_ACK); + loop = 0; + while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) { + AscSetChipStatus(iop_base, CIW_INT_ACK); + if (loop++ > 3) { + break; + } + } + AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag); +} + +static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time) +{ + const uchar *period_table; + int max_index; + int min_index; + int i; + + period_table = asc_dvc->sdtr_period_tbl; + max_index = (int)asc_dvc->max_sdtr_index; + min_index = (int)asc_dvc->min_sdtr_index; + if ((syn_time <= period_table[max_index])) { + for (i = min_index; i < (max_index - 1); i++) { + if (syn_time <= period_table[i]) { + return (uchar)i; + } + } + return (uchar)max_index; + } else { + return (uchar)(max_index + 1); + } } -/* - * asc_prt_asc_dvc_cfg() - */ -STATIC void -asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h) -{ - printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong) h); - - printk( -" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n", - h->can_tagged_qng, h->cmd_qng_enabled); - printk( -" disc_enable 0x%x, sdtr_enable 0x%x,\n", - h->disc_enable, h->sdtr_enable); - - printk( -" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, chip_version %d,\n", - h->chip_scsi_id, h->isa_dma_speed, h->isa_dma_channel, - h->chip_version); - - printk( -" pci_device_id %d, lib_serial_no %u, lib_version %u, mcode_date 0x%x,\n", - to_pci_dev(h->dev)->device, h->lib_serial_no, h->lib_version, - h->mcode_date); - - printk( -" mcode_version %d, overrun_buf 0x%lx\n", - h->mcode_version, (ulong) h->overrun_buf); +static uchar +AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset) +{ + EXT_MSG sdtr_buf; + uchar sdtr_period_index; + PortAddr iop_base; + + iop_base = asc_dvc->iop_base; + sdtr_buf.msg_type = EXTENDED_MESSAGE; + sdtr_buf.msg_len = MS_SDTR_LEN; + sdtr_buf.msg_req = EXTENDED_SDTR; + sdtr_buf.xfer_period = sdtr_period; + sdtr_offset &= ASC_SYN_MAX_OFFSET; + sdtr_buf.req_ack_offset = sdtr_offset; + sdtr_period_index = AscGetSynPeriodIndex(asc_dvc, sdtr_period); + if (sdtr_period_index <= asc_dvc->max_sdtr_index) { + AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG, + (uchar *)&sdtr_buf, + sizeof(EXT_MSG) >> 1); + return ((sdtr_period_index << 4) | sdtr_offset); + } else { + sdtr_buf.req_ack_offset = 0; + AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG, + (uchar *)&sdtr_buf, + sizeof(EXT_MSG) >> 1); + return 0; + } } -/* - * asc_prt_asc_scsi_q() - */ -STATIC void -asc_prt_asc_scsi_q(ASC_SCSI_Q *q) +static uchar +AscCalSDTRData(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar syn_offset) { - ASC_SG_HEAD *sgp; - int i; - - printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong) q); - - printk( -" target_ix 0x%x, target_lun %u, srb_ptr 0x%lx, tag_code 0x%x,\n", - q->q2.target_ix, q->q1.target_lun, - (ulong) q->q2.srb_ptr, q->q2.tag_code); - - printk( -" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n", - (ulong) le32_to_cpu(q->q1.data_addr), - (ulong) le32_to_cpu(q->q1.data_cnt), - (ulong) le32_to_cpu(q->q1.sense_addr), q->q1.sense_len); - - printk( -" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n", - (ulong) q->cdbptr, q->q2.cdb_len, - (ulong) q->sg_head, q->q1.sg_queue_cnt); - - if (q->sg_head) { - sgp = q->sg_head; - printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong) sgp); - printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt, sgp->queue_cnt); - for (i = 0; i < sgp->entry_cnt; i++) { - printk(" [%u]: addr 0x%lx, bytes %lu\n", - i, (ulong) le32_to_cpu(sgp->sg_list[i].addr), - (ulong) le32_to_cpu(sgp->sg_list[i].bytes)); - } + uchar byte; + uchar sdtr_period_ix; - } + sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period); + if (sdtr_period_ix > asc_dvc->max_sdtr_index) + return 0xFF; + byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET); + return byte; } -/* - * asc_prt_asc_qdone_info() - */ -STATIC void -asc_prt_asc_qdone_info(ASC_QDONE_INFO *q) +static int AscSetChipSynRegAtID(PortAddr iop_base, uchar id, uchar sdtr_data) { - printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong) q); - printk( -" srb_ptr 0x%lx, target_ix %u, cdb_len %u, tag_code %u,\n", - (ulong) q->d2.srb_ptr, q->d2.target_ix, q->d2.cdb_len, - q->d2.tag_code); - printk( -" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n", - q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg); -} + ASC_SCSI_BIT_ID_TYPE org_id; + int i; + int sta = TRUE; -/* - * asc_prt_adv_dvc_var() - * - * Display an ADV_DVC_VAR structure. - */ -STATIC void -asc_prt_adv_dvc_var(ADV_DVC_VAR *h) -{ - printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong) h); - - printk( -" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n", - (ulong) h->iop_base, h->err_code, (unsigned) h->ultra_able); - - printk( -" isr_callback 0x%lx, sdtr_able 0x%x, wdtr_able 0x%x\n", - (ulong) h->isr_callback, (unsigned) h->sdtr_able, - (unsigned) h->wdtr_able); - - printk( -" start_motor 0x%x, scsi_reset_wait 0x%x, irq_no 0x%x,\n", - (unsigned) h->start_motor, - (unsigned) h->scsi_reset_wait, (unsigned) h->irq_no); - - printk( -" max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%lxn\n", - (unsigned) h->max_host_qng, (unsigned) h->max_dvc_qng, - (ulong) h->carr_freelist); - - printk( -" icq_sp 0x%lx, irq_sp 0x%lx\n", - (ulong) h->icq_sp, (ulong) h->irq_sp); - - printk( -" no_scam 0x%x, tagqng_able 0x%x\n", - (unsigned) h->no_scam, (unsigned) h->tagqng_able); - - printk( -" chip_scsi_id 0x%x, cfg 0x%lx\n", - (unsigned) h->chip_scsi_id, (ulong) h->cfg); -} + AscSetBank(iop_base, 1); + org_id = AscReadChipDvcID(iop_base); + for (i = 0; i <= ASC_MAX_TID; i++) { + if (org_id == (0x01 << i)) + break; + } + org_id = (ASC_SCSI_BIT_ID_TYPE) i; + AscWriteChipDvcID(iop_base, id); + if (AscReadChipDvcID(iop_base) == (0x01 << id)) { + AscSetBank(iop_base, 0); + AscSetChipSyn(iop_base, sdtr_data); + if (AscGetChipSyn(iop_base) != sdtr_data) { + sta = FALSE; + } + } else { + sta = FALSE; + } + AscSetBank(iop_base, 1); + AscWriteChipDvcID(iop_base, org_id); + AscSetBank(iop_base, 0); + return (sta); +} + +static void AscSetChipSDTR(PortAddr iop_base, uchar sdtr_data, uchar tid_no) +{ + AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data); + AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data); +} + +static int AscIsrChipHalted(ASC_DVC_VAR *asc_dvc) +{ + EXT_MSG ext_msg; + EXT_MSG out_msg; + ushort halt_q_addr; + int sdtr_accept; + ushort int_halt_code; + ASC_SCSI_BIT_ID_TYPE scsi_busy; + ASC_SCSI_BIT_ID_TYPE target_id; + PortAddr iop_base; + uchar tag_code; + uchar q_status; + uchar halt_qp; + uchar sdtr_data; + uchar target_ix; + uchar q_cntl, tid_no; + uchar cur_dvc_qng; + uchar asyn_sdtr; + uchar scsi_status; + struct asc_board *boardp; + + BUG_ON(!asc_dvc->drv_ptr); + boardp = asc_dvc->drv_ptr; + + iop_base = asc_dvc->iop_base; + int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W); + + halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B); + halt_q_addr = ASC_QNO_TO_QADDR(halt_qp); + target_ix = AscReadLramByte(iop_base, + (ushort)(halt_q_addr + + (ushort)ASC_SCSIQ_B_TARGET_IX)); + q_cntl = AscReadLramByte(iop_base, + (ushort)(halt_q_addr + (ushort)ASC_SCSIQ_B_CNTL)); + tid_no = ASC_TIX_TO_TID(target_ix); + target_id = (uchar)ASC_TID_TO_TARGET_ID(tid_no); + if (asc_dvc->pci_fix_asyn_xfer & target_id) { + asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB; + } else { + asyn_sdtr = 0; + } + if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) { + if (asc_dvc->pci_fix_asyn_xfer & target_id) { + AscSetChipSDTR(iop_base, 0, tid_no); + boardp->sdtr_data[tid_no] = 0; + } + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) { + if (asc_dvc->pci_fix_asyn_xfer & target_id) { + AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); + boardp->sdtr_data[tid_no] = asyn_sdtr; + } + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (int_halt_code == ASC_HALT_EXTMSG_IN) { + AscMemWordCopyPtrFromLram(iop_base, + ASCV_MSGIN_BEG, + (uchar *)&ext_msg, + sizeof(EXT_MSG) >> 1); + + if (ext_msg.msg_type == EXTENDED_MESSAGE && + ext_msg.msg_req == EXTENDED_SDTR && + ext_msg.msg_len == MS_SDTR_LEN) { + sdtr_accept = TRUE; + if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) { + + sdtr_accept = FALSE; + ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET; + } + if ((ext_msg.xfer_period < + asc_dvc->sdtr_period_tbl[asc_dvc->min_sdtr_index]) + || (ext_msg.xfer_period > + asc_dvc->sdtr_period_tbl[asc_dvc-> + max_sdtr_index])) { + sdtr_accept = FALSE; + ext_msg.xfer_period = + asc_dvc->sdtr_period_tbl[asc_dvc-> + min_sdtr_index]; + } + if (sdtr_accept) { + sdtr_data = + AscCalSDTRData(asc_dvc, ext_msg.xfer_period, + ext_msg.req_ack_offset); + if ((sdtr_data == 0xFF)) { + + q_cntl |= QC_MSG_OUT; + asc_dvc->init_sdtr &= ~target_id; + asc_dvc->sdtr_done &= ~target_id; + AscSetChipSDTR(iop_base, asyn_sdtr, + tid_no); + boardp->sdtr_data[tid_no] = asyn_sdtr; + } + } + if (ext_msg.req_ack_offset == 0) { + + q_cntl &= ~QC_MSG_OUT; + asc_dvc->init_sdtr &= ~target_id; + asc_dvc->sdtr_done &= ~target_id; + AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); + } else { + if (sdtr_accept && (q_cntl & QC_MSG_OUT)) { + q_cntl &= ~QC_MSG_OUT; + asc_dvc->sdtr_done |= target_id; + asc_dvc->init_sdtr |= target_id; + asc_dvc->pci_fix_asyn_xfer &= + ~target_id; + sdtr_data = + AscCalSDTRData(asc_dvc, + ext_msg.xfer_period, + ext_msg. + req_ack_offset); + AscSetChipSDTR(iop_base, sdtr_data, + tid_no); + boardp->sdtr_data[tid_no] = sdtr_data; + } else { + q_cntl |= QC_MSG_OUT; + AscMsgOutSDTR(asc_dvc, + ext_msg.xfer_period, + ext_msg.req_ack_offset); + asc_dvc->pci_fix_asyn_xfer &= + ~target_id; + sdtr_data = + AscCalSDTRData(asc_dvc, + ext_msg.xfer_period, + ext_msg. + req_ack_offset); + AscSetChipSDTR(iop_base, sdtr_data, + tid_no); + boardp->sdtr_data[tid_no] = sdtr_data; + asc_dvc->sdtr_done |= target_id; + asc_dvc->init_sdtr |= target_id; + } + } + + AscWriteLramByte(iop_base, + (ushort)(halt_q_addr + + (ushort)ASC_SCSIQ_B_CNTL), + q_cntl); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (ext_msg.msg_type == EXTENDED_MESSAGE && + ext_msg.msg_req == EXTENDED_WDTR && + ext_msg.msg_len == MS_WDTR_LEN) { + + ext_msg.wdtr_width = 0; + AscMemWordCopyPtrToLram(iop_base, + ASCV_MSGOUT_BEG, + (uchar *)&ext_msg, + sizeof(EXT_MSG) >> 1); + q_cntl |= QC_MSG_OUT; + AscWriteLramByte(iop_base, + (ushort)(halt_q_addr + + (ushort)ASC_SCSIQ_B_CNTL), + q_cntl); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else { + + ext_msg.msg_type = MESSAGE_REJECT; + AscMemWordCopyPtrToLram(iop_base, + ASCV_MSGOUT_BEG, + (uchar *)&ext_msg, + sizeof(EXT_MSG) >> 1); + q_cntl |= QC_MSG_OUT; + AscWriteLramByte(iop_base, + (ushort)(halt_q_addr + + (ushort)ASC_SCSIQ_B_CNTL), + q_cntl); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } + } else if (int_halt_code == ASC_HALT_CHK_CONDITION) { + + q_cntl |= QC_REQ_SENSE; + + if ((asc_dvc->init_sdtr & target_id) != 0) { + + asc_dvc->sdtr_done &= ~target_id; + + sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); + q_cntl |= QC_MSG_OUT; + AscMsgOutSDTR(asc_dvc, + asc_dvc-> + sdtr_period_tbl[(sdtr_data >> 4) & + (uchar)(asc_dvc-> + max_sdtr_index - + 1)], + (uchar)(sdtr_data & (uchar) + ASC_SYN_MAX_OFFSET)); + } + + AscWriteLramByte(iop_base, + (ushort)(halt_q_addr + + (ushort)ASC_SCSIQ_B_CNTL), q_cntl); + + tag_code = AscReadLramByte(iop_base, + (ushort)(halt_q_addr + (ushort) + ASC_SCSIQ_B_TAG_CODE)); + tag_code &= 0xDC; + if ((asc_dvc->pci_fix_asyn_xfer & target_id) + && !(asc_dvc->pci_fix_asyn_xfer_always & target_id) + ) { + + tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT + | ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX); + + } + AscWriteLramByte(iop_base, + (ushort)(halt_q_addr + + (ushort)ASC_SCSIQ_B_TAG_CODE), + tag_code); + + q_status = AscReadLramByte(iop_base, + (ushort)(halt_q_addr + (ushort) + ASC_SCSIQ_B_STATUS)); + q_status |= (QS_READY | QS_BUSY); + AscWriteLramByte(iop_base, + (ushort)(halt_q_addr + + (ushort)ASC_SCSIQ_B_STATUS), + q_status); + + scsi_busy = AscReadLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B); + scsi_busy &= ~target_id; + AscWriteLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B, scsi_busy); + + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (int_halt_code == ASC_HALT_SDTR_REJECTED) { + + AscMemWordCopyPtrFromLram(iop_base, + ASCV_MSGOUT_BEG, + (uchar *)&out_msg, + sizeof(EXT_MSG) >> 1); + + if ((out_msg.msg_type == EXTENDED_MESSAGE) && + (out_msg.msg_len == MS_SDTR_LEN) && + (out_msg.msg_req == EXTENDED_SDTR)) { + + asc_dvc->init_sdtr &= ~target_id; + asc_dvc->sdtr_done &= ~target_id; + AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); + boardp->sdtr_data[tid_no] = asyn_sdtr; + } + q_cntl &= ~QC_MSG_OUT; + AscWriteLramByte(iop_base, + (ushort)(halt_q_addr + + (ushort)ASC_SCSIQ_B_CNTL), q_cntl); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) { + + scsi_status = AscReadLramByte(iop_base, + (ushort)((ushort)halt_q_addr + + (ushort) + ASC_SCSIQ_SCSI_STATUS)); + cur_dvc_qng = + AscReadLramByte(iop_base, + (ushort)((ushort)ASC_QADR_BEG + + (ushort)target_ix)); + if ((cur_dvc_qng > 0) && (asc_dvc->cur_dvc_qng[tid_no] > 0)) { + + scsi_busy = AscReadLramByte(iop_base, + (ushort)ASCV_SCSIBUSY_B); + scsi_busy |= target_id; + AscWriteLramByte(iop_base, + (ushort)ASCV_SCSIBUSY_B, scsi_busy); + asc_dvc->queue_full_or_busy |= target_id; + + if (scsi_status == SAM_STAT_TASK_SET_FULL) { + if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) { + cur_dvc_qng -= 1; + asc_dvc->max_dvc_qng[tid_no] = + cur_dvc_qng; + + AscWriteLramByte(iop_base, + (ushort)((ushort) + ASCV_MAX_DVC_QNG_BEG + + (ushort) + tid_no), + cur_dvc_qng); + + /* + * Set the device queue depth to the + * number of active requests when the + * QUEUE FULL condition was encountered. + */ + boardp->queue_full |= target_id; + boardp->queue_full_cnt[tid_no] = + cur_dvc_qng; + } + } + } + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } +#if CC_VERY_LONG_SG_LIST + else if (int_halt_code == ASC_HALT_HOST_COPY_SG_LIST_TO_RISC) { + uchar q_no; + ushort q_addr; + uchar sg_wk_q_no; + uchar first_sg_wk_q_no; + ASC_SCSI_Q *scsiq; /* Ptr to driver request. */ + ASC_SG_HEAD *sg_head; /* Ptr to driver SG request. */ + ASC_SG_LIST_Q scsi_sg_q; /* Structure written to queue. */ + ushort sg_list_dwords; + ushort sg_entry_cnt; + uchar next_qp; + int i; + + q_no = AscReadLramByte(iop_base, (ushort)ASCV_REQ_SG_LIST_QP); + if (q_no == ASC_QLINK_END) + return 0; + + q_addr = ASC_QNO_TO_QADDR(q_no); -/* - * asc_prt_adv_dvc_cfg() - * - * Display an ADV_DVC_CFG structure. - */ -STATIC void -asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h) -{ - printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong) h); + /* + * Convert the request's SRB pointer to a host ASC_SCSI_REQ + * structure pointer using a macro provided by the driver. + * The ASC_SCSI_REQ pointer provides a pointer to the + * host ASC_SG_HEAD structure. + */ + /* Read request's SRB pointer. */ + scsiq = (ASC_SCSI_Q *) + ASC_SRB2SCSIQ(ASC_U32_TO_VADDR(AscReadLramDWord(iop_base, + (ushort) + (q_addr + + ASC_SCSIQ_D_SRBPTR)))); - printk( -" disc_enable 0x%x, termination 0x%x\n", - h->disc_enable, h->termination); + /* + * Get request's first and working SG queue. + */ + sg_wk_q_no = AscReadLramByte(iop_base, + (ushort)(q_addr + + ASC_SCSIQ_B_SG_WK_QP)); - printk( -" chip_version 0x%x, mcode_date 0x%x\n", - h->chip_version, h->mcode_date); + first_sg_wk_q_no = AscReadLramByte(iop_base, + (ushort)(q_addr + + ASC_SCSIQ_B_FIRST_SG_WK_QP)); - printk( -" mcode_version 0x%x, pci_device_id 0x%x, lib_version %u\n", - h->mcode_version, to_pci_dev(h->dev)->device, h->lib_version); + /* + * Reset request's working SG queue back to the + * first SG queue. + */ + AscWriteLramByte(iop_base, + (ushort)(q_addr + + (ushort)ASC_SCSIQ_B_SG_WK_QP), + first_sg_wk_q_no); - printk( -" control_flag 0x%x, pci_slot_info 0x%x\n", - h->control_flag, h->pci_slot_info); -} + sg_head = scsiq->sg_head; -/* - * asc_prt_adv_scsi_req_q() - * - * Display an ADV_SCSI_REQ_Q structure. - */ -STATIC void -asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q) -{ - int sg_blk_cnt; - struct asc_sg_block *sg_ptr; - - printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong) q); - - printk( -" target_id %u, target_lun %u, srb_ptr 0x%lx, a_flag 0x%x\n", - q->target_id, q->target_lun, (ulong) q->srb_ptr, q->a_flag); - - printk(" cntl 0x%x, data_addr 0x%lx, vdata_addr 0x%lx\n", - q->cntl, (ulong) le32_to_cpu(q->data_addr), (ulong) q->vdata_addr); - - printk( -" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n", - (ulong) le32_to_cpu(q->data_cnt), - (ulong) le32_to_cpu(q->sense_addr), q->sense_len); - - printk( -" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n", - q->cdb_len, q->done_status, q->host_status, q->scsi_status); - - printk( -" sg_working_ix 0x%x, target_cmd %u\n", - q->sg_working_ix, q->target_cmd); - - printk( -" scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n", - (ulong) le32_to_cpu(q->scsiq_rptr), - (ulong) le32_to_cpu(q->sg_real_addr), (ulong) q->sg_list_ptr); - - /* Display the request's ADV_SG_BLOCK structures. */ - if (q->sg_list_ptr != NULL) - { - sg_blk_cnt = 0; - while (1) { - /* - * 'sg_ptr' is a physical address. Convert it to a virtual - * address by indexing 'sg_blk_cnt' into the virtual address - * array 'sg_list_ptr'. - * - * XXX - Assumes all SG physical blocks are virtually contiguous. - */ - sg_ptr = &(((ADV_SG_BLOCK *) (q->sg_list_ptr))[sg_blk_cnt]); - asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr); - if (sg_ptr->sg_ptr == 0) - { - break; - } - sg_blk_cnt++; - } - } -} + /* + * Set sg_entry_cnt to the number of SG elements + * that will be completed on this interrupt. + * + * Note: The allocated SG queues contain ASC_MAX_SG_LIST - 1 + * SG elements. The data_cnt and data_addr fields which + * add 1 to the SG element capacity are not used when + * restarting SG handling after a halt. + */ + if (scsiq->remain_sg_entry_cnt > (ASC_MAX_SG_LIST - 1)) { + sg_entry_cnt = ASC_MAX_SG_LIST - 1; + + /* + * Keep track of remaining number of SG elements that + * will need to be handled on the next interrupt. + */ + scsiq->remain_sg_entry_cnt -= (ASC_MAX_SG_LIST - 1); + } else { + sg_entry_cnt = scsiq->remain_sg_entry_cnt; + scsiq->remain_sg_entry_cnt = 0; + } -/* - * asc_prt_adv_sgblock() - * - * Display an ADV_SG_BLOCK structure. - */ -STATIC void -asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b) -{ - int i; - - printk(" ASC_SG_BLOCK at addr 0x%lx (sgblockno %d)\n", - (ulong) b, sgblockno); - printk(" sg_cnt %u, sg_ptr 0x%lx\n", - b->sg_cnt, (ulong) le32_to_cpu(b->sg_ptr)); - ASC_ASSERT(b->sg_cnt <= NO_OF_SG_PER_BLOCK); - if (b->sg_ptr != 0) - { - ASC_ASSERT(b->sg_cnt == NO_OF_SG_PER_BLOCK); - } - for (i = 0; i < b->sg_cnt; i++) { - printk(" [%u]: sg_addr 0x%lx, sg_count 0x%lx\n", - i, (ulong) b->sg_list[i].sg_addr, (ulong) b->sg_list[i].sg_count); - } + /* + * Copy SG elements into the list of allocated SG queues. + * + * Last index completed is saved in scsiq->next_sg_index. + */ + next_qp = first_sg_wk_q_no; + q_addr = ASC_QNO_TO_QADDR(next_qp); + scsi_sg_q.sg_head_qp = q_no; + scsi_sg_q.cntl = QCSG_SG_XFER_LIST; + for (i = 0; i < sg_head->queue_cnt; i++) { + scsi_sg_q.seq_no = i + 1; + if (sg_entry_cnt > ASC_SG_LIST_PER_Q) { + sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2); + sg_entry_cnt -= ASC_SG_LIST_PER_Q; + /* + * After very first SG queue RISC FW uses next + * SG queue first element then checks sg_list_cnt + * against zero and then decrements, so set + * sg_list_cnt 1 less than number of SG elements + * in each SG queue. + */ + scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1; + scsi_sg_q.sg_cur_list_cnt = + ASC_SG_LIST_PER_Q - 1; + } else { + /* + * This is the last SG queue in the list of + * allocated SG queues. If there are more + * SG elements than will fit in the allocated + * queues, then set the QCSG_SG_XFER_MORE flag. + */ + if (scsiq->remain_sg_entry_cnt != 0) { + scsi_sg_q.cntl |= QCSG_SG_XFER_MORE; + } else { + scsi_sg_q.cntl |= QCSG_SG_XFER_END; + } + /* equals sg_entry_cnt * 2 */ + sg_list_dwords = sg_entry_cnt << 1; + scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1; + scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1; + sg_entry_cnt = 0; + } + + scsi_sg_q.q_no = next_qp; + AscMemWordCopyPtrToLram(iop_base, + q_addr + ASC_SCSIQ_SGHD_CPY_BEG, + (uchar *)&scsi_sg_q, + sizeof(ASC_SG_LIST_Q) >> 1); + + AscMemDWordCopyPtrToLram(iop_base, + q_addr + ASC_SGQ_LIST_BEG, + (uchar *)&sg_head-> + sg_list[scsiq->next_sg_index], + sg_list_dwords); + + scsiq->next_sg_index += ASC_SG_LIST_PER_Q; + + /* + * If the just completed SG queue contained the + * last SG element, then no more SG queues need + * to be written. + */ + if (scsi_sg_q.cntl & QCSG_SG_XFER_END) { + break; + } + + next_qp = AscReadLramByte(iop_base, + (ushort)(q_addr + + ASC_SCSIQ_B_FWD)); + q_addr = ASC_QNO_TO_QADDR(next_qp); + } + + /* + * Clear the halt condition so the RISC will be restarted + * after the return. + */ + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } +#endif /* CC_VERY_LONG_SG_LIST */ + return (0); } /* - * asc_prt_hex() + * void + * DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words) * - * Print hexadecimal output in 4 byte groupings 32 bytes - * or 8 double-words per line. + * Calling/Exit State: + * none + * + * Description: + * Input an ASC_QDONE_INFO structure from the chip */ -STATIC void -asc_prt_hex(char *f, uchar *s, int l) +static void +DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words) { - int i; - int j; - int k; - int m; - - printk("%s: (%d bytes)\n", f, l); - - for (i = 0; i < l; i += 32) { - - /* Display a maximum of 8 double-words per line. */ - if ((k = (l - i) / 4) >= 8) { - k = 8; - m = 0; - } else { - m = (l - i) % 4; - } - - for (j = 0; j < k; j++) { - printk(" %2.2X%2.2X%2.2X%2.2X", - (unsigned) s[i+(j*4)], (unsigned) s[i+(j*4)+1], - (unsigned) s[i+(j*4)+2], (unsigned) s[i+(j*4)+3]); - } - - switch (m) { - case 0: - default: - break; - case 1: - printk(" %2.2X", - (unsigned) s[i+(j*4)]); - break; - case 2: - printk(" %2.2X%2.2X", - (unsigned) s[i+(j*4)], - (unsigned) s[i+(j*4)+1]); - break; - case 3: - printk(" %2.2X%2.2X%2.2X", - (unsigned) s[i+(j*4)+1], - (unsigned) s[i+(j*4)+2], - (unsigned) s[i+(j*4)+3]); - break; - } - - printk("\n"); - } + int i; + ushort word; + + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < 2 * words; i += 2) { + if (i == 10) { + continue; + } + word = inpw(iop_base + IOP_RAM_DATA); + inbuf[i] = word & 0xff; + inbuf[i + 1] = (word >> 8) & 0xff; + } + ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words); +} + +static uchar +_AscCopyLramScsiDoneQ(PortAddr iop_base, + ushort q_addr, + ASC_QDONE_INFO *scsiq, ASC_DCNT max_dma_count) +{ + ushort _val; + uchar sg_queue_cnt; + + DvcGetQinfo(iop_base, + q_addr + ASC_SCSIQ_DONE_INFO_BEG, + (uchar *)scsiq, + (sizeof(ASC_SCSIQ_2) + sizeof(ASC_SCSIQ_3)) / 2); + + _val = AscReadLramWord(iop_base, + (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS)); + scsiq->q_status = (uchar)_val; + scsiq->q_no = (uchar)(_val >> 8); + _val = AscReadLramWord(iop_base, + (ushort)(q_addr + (ushort)ASC_SCSIQ_B_CNTL)); + scsiq->cntl = (uchar)_val; + sg_queue_cnt = (uchar)(_val >> 8); + _val = AscReadLramWord(iop_base, + (ushort)(q_addr + + (ushort)ASC_SCSIQ_B_SENSE_LEN)); + scsiq->sense_len = (uchar)_val; + scsiq->extra_bytes = (uchar)(_val >> 8); + + /* + * Read high word of remain bytes from alternate location. + */ + scsiq->remain_bytes = (((ADV_DCNT)AscReadLramWord(iop_base, + (ushort)(q_addr + + (ushort) + ASC_SCSIQ_W_ALT_DC1))) + << 16); + /* + * Read low word of remain bytes from original location. + */ + scsiq->remain_bytes += AscReadLramWord(iop_base, + (ushort)(q_addr + (ushort) + ASC_SCSIQ_DW_REMAIN_XFER_CNT)); + + scsiq->remain_bytes &= max_dma_count; + return sg_queue_cnt; } -#endif /* ADVANSYS_DEBUG */ /* - * --- Asc Library Functions + * asc_isr_callback() - Second Level Interrupt Handler called by AscISR(). + * + * Interrupt callback function for the Narrow SCSI Asc Library. */ - -STATIC ushort __init -AscGetEisaChipCfg( - PortAddr iop_base) -{ - PortAddr eisa_cfg_iop; - - eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) | - (PortAddr) (ASC_EISA_CFG_IOP_MASK); - return (inpw(eisa_cfg_iop)); -} - -STATIC uchar __init -AscSetChipScsiID( - PortAddr iop_base, - uchar new_host_id -) -{ - ushort cfg_lsw; - - if (AscGetChipScsiID(iop_base) == new_host_id) { - return (new_host_id); - } - cfg_lsw = AscGetChipCfgLsw(iop_base); - cfg_lsw &= 0xF8FF; - cfg_lsw |= (ushort) ((new_host_id & ASC_MAX_TID) << 8); - AscSetChipCfgLsw(iop_base, cfg_lsw); - return (AscGetChipScsiID(iop_base)); -} - -STATIC uchar __init -AscGetChipScsiCtrl( - PortAddr iop_base) -{ - uchar sc; - - AscSetBank(iop_base, 1); - sc = inp(iop_base + IOP_REG_SC); - AscSetBank(iop_base, 0); - return (sc); -} - -STATIC uchar __init -AscGetChipVersion( - PortAddr iop_base, - ushort bus_type -) -{ - if ((bus_type & ASC_IS_EISA) != 0) { - PortAddr eisa_iop; - uchar revision; - eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) | - (PortAddr) ASC_EISA_REV_IOP_MASK; - revision = inp(eisa_iop); - return ((uchar) ((ASC_CHIP_MIN_VER_EISA - 1) + revision)); - } - return (AscGetChipVerNo(iop_base)); -} - -STATIC ushort __init -AscGetChipBusType( - PortAddr iop_base) -{ - ushort chip_ver; - - chip_ver = AscGetChipVerNo(iop_base); - if ( - (chip_ver >= ASC_CHIP_MIN_VER_VL) - && (chip_ver <= ASC_CHIP_MAX_VER_VL) -) { - if ( - ((iop_base & 0x0C30) == 0x0C30) - || ((iop_base & 0x0C50) == 0x0C50) -) { - return (ASC_IS_EISA); - } - return (ASC_IS_VL); - } - if ((chip_ver >= ASC_CHIP_MIN_VER_ISA) && - (chip_ver <= ASC_CHIP_MAX_VER_ISA)) { - if (chip_ver >= ASC_CHIP_MIN_VER_ISA_PNP) { - return (ASC_IS_ISAPNP); - } - return (ASC_IS_ISA); - } else if ((chip_ver >= ASC_CHIP_MIN_VER_PCI) && - (chip_ver <= ASC_CHIP_MAX_VER_PCI)) { - return (ASC_IS_PCI); - } - return (0); -} - -STATIC ASC_DCNT -AscLoadMicroCode( - PortAddr iop_base, - ushort s_addr, - uchar *mcode_buf, - ushort mcode_size -) +static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep) { - ASC_DCNT chksum; - ushort mcode_word_size; - ushort mcode_chksum; - - /* Write the microcode buffer starting at LRAM address 0. */ - mcode_word_size = (ushort) (mcode_size >> 1); - AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size); - AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size); - - chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size); - ASC_DBG1(1, "AscLoadMicroCode: chksum 0x%lx\n", (ulong) chksum); - mcode_chksum = (ushort) AscMemSumLramWord(iop_base, - (ushort) ASC_CODE_SEC_BEG, - (ushort) ((mcode_size - s_addr - (ushort) ASC_CODE_SEC_BEG) / 2)); - ASC_DBG1(1, "AscLoadMicroCode: mcode_chksum 0x%lx\n", - (ulong) mcode_chksum); - AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum); - AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size); - return (chksum); -} - -STATIC int -AscFindSignature( - PortAddr iop_base -) -{ - ushort sig_word; - - ASC_DBG2(1, "AscFindSignature: AscGetChipSignatureByte(0x%x) 0x%x\n", - iop_base, AscGetChipSignatureByte(iop_base)); - if (AscGetChipSignatureByte(iop_base) == (uchar) ASC_1000_ID1B) { - ASC_DBG2(1, "AscFindSignature: AscGetChipSignatureWord(0x%x) 0x%x\n", - iop_base, AscGetChipSignatureWord(iop_base)); - sig_word = AscGetChipSignatureWord(iop_base); - if ((sig_word == (ushort) ASC_1000_ID0W) || - (sig_word == (ushort) ASC_1000_ID0W_FIX)) { - return (1); - } - } - return (0); -} + struct asc_board *boardp; + struct scsi_cmnd *scp; + struct Scsi_Host *shost; -STATIC PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] __initdata = -{ - 0x100, ASC_IOADR_1, 0x120, ASC_IOADR_2, 0x140, ASC_IOADR_3, ASC_IOADR_4, - ASC_IOADR_5, ASC_IOADR_6, ASC_IOADR_7, ASC_IOADR_8 -}; + ASC_DBG(1, "asc_dvc_varp 0x%p, qdonep 0x%p\n", asc_dvc_varp, qdonep); + ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep); -#ifdef CONFIG_ISA -STATIC uchar _isa_pnp_inited __initdata = 0; + scp = advansys_srb_to_ptr(asc_dvc_varp, qdonep->d2.srb_ptr); + if (!scp) + return; -STATIC PortAddr __init -AscSearchIOPortAddr( - PortAddr iop_beg, - ushort bus_type) -{ - if (bus_type & ASC_IS_VL) { - while ((iop_beg = AscSearchIOPortAddr11(iop_beg)) != 0) { - if (AscGetChipVersion(iop_beg, bus_type) <= ASC_CHIP_MAX_VER_VL) { - return (iop_beg); - } - } - return (0); - } - if (bus_type & ASC_IS_ISA) { - if (_isa_pnp_inited == 0) { - AscSetISAPNPWaitForKey(); - _isa_pnp_inited++; - } - while ((iop_beg = AscSearchIOPortAddr11(iop_beg)) != 0) { - if ((AscGetChipVersion(iop_beg, bus_type) & ASC_CHIP_VER_ISA_BIT) != 0) { - return (iop_beg); - } - } - return (0); - } - if (bus_type & ASC_IS_EISA) { - if ((iop_beg = AscSearchIOPortAddrEISA(iop_beg)) != 0) { - return (iop_beg); - } - return (0); - } - return (0); -} + ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len); -STATIC PortAddr __init -AscSearchIOPortAddr11( - PortAddr s_addr -) -{ - int i; - PortAddr iop_base; + shost = scp->device->host; + ASC_STATS(shost, callback); + ASC_DBG(1, "shost 0x%p\n", shost); - for (i = 0; i < ASC_IOADR_TABLE_MAX_IX; i++) { - if (_asc_def_iop_base[i] > s_addr) { - break; - } - } - for (; i < ASC_IOADR_TABLE_MAX_IX; i++) { - iop_base = _asc_def_iop_base[i]; - if (check_region(iop_base, ASC_IOADR_GAP) != 0) { - ASC_DBG1(1, - "AscSearchIOPortAddr11: check_region() failed I/O port 0x%x\n", - iop_base); - continue; - } - ASC_DBG1(1, "AscSearchIOPortAddr11: probing I/O port 0x%x\n", iop_base); - if (AscFindSignature(iop_base)) { - return (iop_base); - } - } - return (0); -} + boardp = shost_priv(shost); + BUG_ON(asc_dvc_varp != &boardp->dvc_var.asc_dvc_var); -STATIC void __init -AscSetISAPNPWaitForKey(void) -{ - outp(ASC_ISA_PNP_PORT_ADDR, 0x02); - outp(ASC_ISA_PNP_PORT_WRITE, 0x02); - return; -} -#endif /* CONFIG_ISA */ + dma_unmap_single(boardp->dev, scp->SCp.dma_handle, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + /* + * 'qdonep' contains the command's ending status. + */ + switch (qdonep->d3.done_stat) { + case QD_NO_ERROR: + ASC_DBG(2, "QD_NO_ERROR\n"); + scp->result = 0; -STATIC void __init -AscToggleIRQAct( - PortAddr iop_base -) -{ - AscSetChipStatus(iop_base, CIW_IRQ_ACT); - AscSetChipStatus(iop_base, 0); - return; -} + /* + * Check for an underrun condition. + * + * If there was no error and an underrun condition, then + * return the number of underrun bytes. + */ + if (scsi_bufflen(scp) != 0 && qdonep->remain_bytes != 0 && + qdonep->remain_bytes <= scsi_bufflen(scp)) { + ASC_DBG(1, "underrun condition %u bytes\n", + (unsigned)qdonep->remain_bytes); + scsi_set_resid(scp, qdonep->remain_bytes); + } + break; + + case QD_WITH_ERROR: + ASC_DBG(2, "QD_WITH_ERROR\n"); + switch (qdonep->d3.host_stat) { + case QHSTA_NO_ERROR: + if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) { + ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n"); + ASC_DBG_PRT_SENSE(2, scp->sense_buffer, + SCSI_SENSE_BUFFERSIZE); + /* + * Note: The 'status_byte()' macro used by + * target drivers defined in scsi.h shifts the + * status byte returned by host drivers right + * by 1 bit. This is why target drivers also + * use right shifted status byte definitions. + * For instance target drivers use + * CHECK_CONDITION, defined to 0x1, instead of + * the SCSI defined check condition value of + * 0x2. Host drivers are supposed to return + * the status byte as it is defined by SCSI. + */ + scp->result = DRIVER_BYTE(DRIVER_SENSE) | + STATUS_BYTE(qdonep->d3.scsi_stat); + } else { + scp->result = STATUS_BYTE(qdonep->d3.scsi_stat); + } + break; + + default: + /* QHSTA error occurred */ + ASC_DBG(1, "host_stat 0x%x\n", qdonep->d3.host_stat); + scp->result = HOST_BYTE(DID_BAD_TARGET); + break; + } + break; + + case QD_ABORTED_BY_HOST: + ASC_DBG(1, "QD_ABORTED_BY_HOST\n"); + scp->result = + HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3. + scsi_msg) | + STATUS_BYTE(qdonep->d3.scsi_stat); + break; + + default: + ASC_DBG(1, "done_stat 0x%x\n", qdonep->d3.done_stat); + scp->result = + HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3. + scsi_msg) | + STATUS_BYTE(qdonep->d3.scsi_stat); + break; + } -STATIC uchar __init -AscGetChipIRQ( - PortAddr iop_base, - ushort bus_type) -{ - ushort cfg_lsw; - uchar chip_irq; - - if ((bus_type & ASC_IS_EISA) != 0) { - cfg_lsw = AscGetEisaChipCfg(iop_base); - chip_irq = (uchar) (((cfg_lsw >> 8) & 0x07) + 10); - if ((chip_irq == 13) || (chip_irq > 15)) { - return (0); - } - return (chip_irq); - } - if ((bus_type & ASC_IS_VL) != 0) { - cfg_lsw = AscGetChipCfgLsw(iop_base); - chip_irq = (uchar) (((cfg_lsw >> 2) & 0x07)); - if ((chip_irq == 0) || - (chip_irq == 4) || - (chip_irq == 7)) { - return (0); - } - return ((uchar) (chip_irq + (ASC_MIN_IRQ_NO - 1))); - } - cfg_lsw = AscGetChipCfgLsw(iop_base); - chip_irq = (uchar) (((cfg_lsw >> 2) & 0x03)); - if (chip_irq == 3) - chip_irq += (uchar) 2; - return ((uchar) (chip_irq + ASC_MIN_IRQ_NO)); -} + /* + * If the 'init_tidmask' bit isn't already set for the target and the + * current request finished normally, then set the bit for the target + * to indicate that a device is present. + */ + if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 && + qdonep->d3.done_stat == QD_NO_ERROR && + qdonep->d3.host_stat == QHSTA_NO_ERROR) { + boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id); + } -STATIC uchar __init -AscSetChipIRQ( - PortAddr iop_base, - uchar irq_no, - ushort bus_type) -{ - ushort cfg_lsw; - - if ((bus_type & ASC_IS_VL) != 0) { - if (irq_no != 0) { - if ((irq_no < ASC_MIN_IRQ_NO) || (irq_no > ASC_MAX_IRQ_NO)) { - irq_no = 0; - } else { - irq_no -= (uchar) ((ASC_MIN_IRQ_NO - 1)); - } - } - cfg_lsw = (ushort) (AscGetChipCfgLsw(iop_base) & 0xFFE3); - cfg_lsw |= (ushort) 0x0010; - AscSetChipCfgLsw(iop_base, cfg_lsw); - AscToggleIRQAct(iop_base); - cfg_lsw = (ushort) (AscGetChipCfgLsw(iop_base) & 0xFFE0); - cfg_lsw |= (ushort) ((irq_no & 0x07) << 2); - AscSetChipCfgLsw(iop_base, cfg_lsw); - AscToggleIRQAct(iop_base); - return (AscGetChipIRQ(iop_base, bus_type)); - } - if ((bus_type & (ASC_IS_ISA)) != 0) { - if (irq_no == 15) - irq_no -= (uchar) 2; - irq_no -= (uchar) ASC_MIN_IRQ_NO; - cfg_lsw = (ushort) (AscGetChipCfgLsw(iop_base) & 0xFFF3); - cfg_lsw |= (ushort) ((irq_no & 0x03) << 2); - AscSetChipCfgLsw(iop_base, cfg_lsw); - return (AscGetChipIRQ(iop_base, bus_type)); - } - return (0); + asc_scsi_done(scp); +} + +static int AscIsrQDone(ASC_DVC_VAR *asc_dvc) +{ + uchar next_qp; + uchar n_q_used; + uchar sg_list_qp; + uchar sg_queue_cnt; + uchar q_cnt; + uchar done_q_tail; + uchar tid_no; + ASC_SCSI_BIT_ID_TYPE scsi_busy; + ASC_SCSI_BIT_ID_TYPE target_id; + PortAddr iop_base; + ushort q_addr; + ushort sg_q_addr; + uchar cur_target_qng; + ASC_QDONE_INFO scsiq_buf; + ASC_QDONE_INFO *scsiq; + int false_overrun; + + iop_base = asc_dvc->iop_base; + n_q_used = 1; + scsiq = (ASC_QDONE_INFO *)&scsiq_buf; + done_q_tail = (uchar)AscGetVarDoneQTail(iop_base); + q_addr = ASC_QNO_TO_QADDR(done_q_tail); + next_qp = AscReadLramByte(iop_base, + (ushort)(q_addr + (ushort)ASC_SCSIQ_B_FWD)); + if (next_qp != ASC_QLINK_END) { + AscPutVarDoneQTail(iop_base, next_qp); + q_addr = ASC_QNO_TO_QADDR(next_qp); + sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq, + asc_dvc->max_dma_count); + AscWriteLramByte(iop_base, + (ushort)(q_addr + + (ushort)ASC_SCSIQ_B_STATUS), + (uchar)(scsiq-> + q_status & (uchar)~(QS_READY | + QS_ABORTED))); + tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix); + target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix); + if ((scsiq->cntl & QC_SG_HEAD) != 0) { + sg_q_addr = q_addr; + sg_list_qp = next_qp; + for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) { + sg_list_qp = AscReadLramByte(iop_base, + (ushort)(sg_q_addr + + (ushort) + ASC_SCSIQ_B_FWD)); + sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp); + if (sg_list_qp == ASC_QLINK_END) { + AscSetLibErrorCode(asc_dvc, + ASCQ_ERR_SG_Q_LINKS); + scsiq->d3.done_stat = QD_WITH_ERROR; + scsiq->d3.host_stat = + QHSTA_D_QDONE_SG_LIST_CORRUPTED; + goto FATAL_ERR_QDONE; + } + AscWriteLramByte(iop_base, + (ushort)(sg_q_addr + (ushort) + ASC_SCSIQ_B_STATUS), + QS_FREE); + } + n_q_used = sg_queue_cnt + 1; + AscPutVarDoneQTail(iop_base, sg_list_qp); + } + if (asc_dvc->queue_full_or_busy & target_id) { + cur_target_qng = AscReadLramByte(iop_base, + (ushort)((ushort) + ASC_QADR_BEG + + (ushort) + scsiq->d2. + target_ix)); + if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) { + scsi_busy = AscReadLramByte(iop_base, (ushort) + ASCV_SCSIBUSY_B); + scsi_busy &= ~target_id; + AscWriteLramByte(iop_base, + (ushort)ASCV_SCSIBUSY_B, + scsi_busy); + asc_dvc->queue_full_or_busy &= ~target_id; + } + } + if (asc_dvc->cur_total_qng >= n_q_used) { + asc_dvc->cur_total_qng -= n_q_used; + if (asc_dvc->cur_dvc_qng[tid_no] != 0) { + asc_dvc->cur_dvc_qng[tid_no]--; + } + } else { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG); + scsiq->d3.done_stat = QD_WITH_ERROR; + goto FATAL_ERR_QDONE; + } + if ((scsiq->d2.srb_ptr == 0UL) || + ((scsiq->q_status & QS_ABORTED) != 0)) { + return (0x11); + } else if (scsiq->q_status == QS_DONE) { + false_overrun = FALSE; + if (scsiq->extra_bytes != 0) { + scsiq->remain_bytes += + (ADV_DCNT)scsiq->extra_bytes; + } + if (scsiq->d3.done_stat == QD_WITH_ERROR) { + if (scsiq->d3.host_stat == + QHSTA_M_DATA_OVER_RUN) { + if ((scsiq-> + cntl & (QC_DATA_IN | QC_DATA_OUT)) + == 0) { + scsiq->d3.done_stat = + QD_NO_ERROR; + scsiq->d3.host_stat = + QHSTA_NO_ERROR; + } else if (false_overrun) { + scsiq->d3.done_stat = + QD_NO_ERROR; + scsiq->d3.host_stat = + QHSTA_NO_ERROR; + } + } else if (scsiq->d3.host_stat == + QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) { + AscStopChip(iop_base); + AscSetChipControl(iop_base, + (uchar)(CC_SCSI_RESET + | CC_HALT)); + udelay(60); + AscSetChipControl(iop_base, CC_HALT); + AscSetChipStatus(iop_base, + CIW_CLR_SCSI_RESET_INT); + AscSetChipStatus(iop_base, 0); + AscSetChipControl(iop_base, 0); + } + } + if ((scsiq->cntl & QC_NO_CALLBACK) == 0) { + asc_isr_callback(asc_dvc, scsiq); + } else { + if ((AscReadLramByte(iop_base, + (ushort)(q_addr + (ushort) + ASC_SCSIQ_CDB_BEG)) + == START_STOP)) { + asc_dvc->unit_not_ready &= ~target_id; + if (scsiq->d3.done_stat != QD_NO_ERROR) { + asc_dvc->start_motor &= + ~target_id; + } + } + } + return (1); + } else { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS); + FATAL_ERR_QDONE: + if ((scsiq->cntl & QC_NO_CALLBACK) == 0) { + asc_isr_callback(asc_dvc, scsiq); + } + return (0x80); + } + } + return (0); } -#ifdef CONFIG_ISA -STATIC void __init -AscEnableIsaDma( - uchar dma_channel) +static int AscISR(ASC_DVC_VAR *asc_dvc) { - if (dma_channel < 4) { - outp(0x000B, (ushort) (0xC0 | dma_channel)); - outp(0x000A, dma_channel); - } else if (dma_channel < 8) { - outp(0x00D6, (ushort) (0xC0 | (dma_channel - 4))); - outp(0x00D4, (ushort) (dma_channel - 4)); - } - return; -} -#endif /* CONFIG_ISA */ + ASC_CS_TYPE chipstat; + PortAddr iop_base; + ushort saved_ram_addr; + uchar ctrl_reg; + uchar saved_ctrl_reg; + int int_pending; + int status; + uchar host_flag; -STATIC int -AscIsrChipHalted( - ASC_DVC_VAR *asc_dvc -) -{ - EXT_MSG ext_msg; - EXT_MSG out_msg; - ushort halt_q_addr; - int sdtr_accept; - ushort int_halt_code; - ASC_SCSI_BIT_ID_TYPE scsi_busy; - ASC_SCSI_BIT_ID_TYPE target_id; - PortAddr iop_base; - uchar tag_code; - uchar q_status; - uchar halt_qp; - uchar sdtr_data; - uchar target_ix; - uchar q_cntl, tid_no; - uchar cur_dvc_qng; - uchar asyn_sdtr; - uchar scsi_status; - asc_board_t *boardp; - - ASC_ASSERT(asc_dvc->drv_ptr != NULL); - boardp = asc_dvc->drv_ptr; - - iop_base = asc_dvc->iop_base; - int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W); - - halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B); - halt_q_addr = ASC_QNO_TO_QADDR(halt_qp); - target_ix = AscReadLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_TARGET_IX)); - q_cntl = AscReadLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL)); - tid_no = ASC_TIX_TO_TID(target_ix); - target_id = (uchar) ASC_TID_TO_TARGET_ID(tid_no); - if (asc_dvc->pci_fix_asyn_xfer & target_id) { - asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB; - } else { - asyn_sdtr = 0; - } - if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) { - if (asc_dvc->pci_fix_asyn_xfer & target_id) { - AscSetChipSDTR(iop_base, 0, tid_no); - boardp->sdtr_data[tid_no] = 0; - } - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return (0); - } else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) { - if (asc_dvc->pci_fix_asyn_xfer & target_id) { - AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); - boardp->sdtr_data[tid_no] = asyn_sdtr; - } - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return (0); - } else if (int_halt_code == ASC_HALT_EXTMSG_IN) { - - AscMemWordCopyPtrFromLram(iop_base, - ASCV_MSGIN_BEG, - (uchar *) &ext_msg, - sizeof(EXT_MSG) >> 1); - - if (ext_msg.msg_type == MS_EXTEND && - ext_msg.msg_req == MS_SDTR_CODE && - ext_msg.msg_len == MS_SDTR_LEN) { - sdtr_accept = TRUE; - if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) { - - sdtr_accept = FALSE; - ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET; - } - if ((ext_msg.xfer_period < - asc_dvc->sdtr_period_tbl[asc_dvc->host_init_sdtr_index]) || - (ext_msg.xfer_period > - asc_dvc->sdtr_period_tbl[asc_dvc->max_sdtr_index])) { - sdtr_accept = FALSE; - ext_msg.xfer_period = - asc_dvc->sdtr_period_tbl[asc_dvc->host_init_sdtr_index]; - } - if (sdtr_accept) { - sdtr_data = AscCalSDTRData(asc_dvc, ext_msg.xfer_period, - ext_msg.req_ack_offset); - if ((sdtr_data == 0xFF)) { - - q_cntl |= QC_MSG_OUT; - asc_dvc->init_sdtr &= ~target_id; - asc_dvc->sdtr_done &= ~target_id; - AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); - boardp->sdtr_data[tid_no] = asyn_sdtr; - } - } - if (ext_msg.req_ack_offset == 0) { - - q_cntl &= ~QC_MSG_OUT; - asc_dvc->init_sdtr &= ~target_id; - asc_dvc->sdtr_done &= ~target_id; - AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); - } else { - if (sdtr_accept && (q_cntl & QC_MSG_OUT)) { - - q_cntl &= ~QC_MSG_OUT; - asc_dvc->sdtr_done |= target_id; - asc_dvc->init_sdtr |= target_id; - asc_dvc->pci_fix_asyn_xfer &= ~target_id; - sdtr_data = AscCalSDTRData(asc_dvc, ext_msg.xfer_period, - ext_msg.req_ack_offset); - AscSetChipSDTR(iop_base, sdtr_data, tid_no); - boardp->sdtr_data[tid_no] = sdtr_data; - } else { - - q_cntl |= QC_MSG_OUT; - AscMsgOutSDTR(asc_dvc, - ext_msg.xfer_period, - ext_msg.req_ack_offset); - asc_dvc->pci_fix_asyn_xfer &= ~target_id; - sdtr_data = AscCalSDTRData(asc_dvc, ext_msg.xfer_period, - ext_msg.req_ack_offset); - AscSetChipSDTR(iop_base, sdtr_data, tid_no); - boardp->sdtr_data[tid_no] = sdtr_data; - asc_dvc->sdtr_done |= target_id; - asc_dvc->init_sdtr |= target_id; - } - } - - AscWriteLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), - q_cntl); - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return (0); - } else if (ext_msg.msg_type == MS_EXTEND && - ext_msg.msg_req == MS_WDTR_CODE && - ext_msg.msg_len == MS_WDTR_LEN) { - - ext_msg.wdtr_width = 0; - AscMemWordCopyPtrToLram(iop_base, - ASCV_MSGOUT_BEG, - (uchar *) &ext_msg, - sizeof(EXT_MSG) >> 1); - q_cntl |= QC_MSG_OUT; - AscWriteLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), - q_cntl); - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return (0); - } else { - - ext_msg.msg_type = MESSAGE_REJECT; - AscMemWordCopyPtrToLram(iop_base, - ASCV_MSGOUT_BEG, - (uchar *) &ext_msg, - sizeof(EXT_MSG) >> 1); - q_cntl |= QC_MSG_OUT; - AscWriteLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), - q_cntl); - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return (0); - } - } else if (int_halt_code == ASC_HALT_CHK_CONDITION) { - - q_cntl |= QC_REQ_SENSE; - - if ((asc_dvc->init_sdtr & target_id) != 0) { - - asc_dvc->sdtr_done &= ~target_id; - - sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); - q_cntl |= QC_MSG_OUT; - AscMsgOutSDTR(asc_dvc, - asc_dvc->sdtr_period_tbl[(sdtr_data >> 4) & - (uchar) (asc_dvc->max_sdtr_index - 1)], - (uchar) (sdtr_data & (uchar) ASC_SYN_MAX_OFFSET)); - } - - AscWriteLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), - q_cntl); - - tag_code = AscReadLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_TAG_CODE)); - tag_code &= 0xDC; - if ( - (asc_dvc->pci_fix_asyn_xfer & target_id) - && !(asc_dvc->pci_fix_asyn_xfer_always & target_id) -) { - - tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT - | ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX); - - } - AscWriteLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_TAG_CODE), - tag_code); - - q_status = AscReadLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_STATUS)); - q_status |= (QS_READY | QS_BUSY); - AscWriteLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_STATUS), - q_status); - - scsi_busy = AscReadLramByte(iop_base, - (ushort) ASCV_SCSIBUSY_B); - scsi_busy &= ~target_id; - AscWriteLramByte(iop_base, (ushort) ASCV_SCSIBUSY_B, scsi_busy); - - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return (0); - } else if (int_halt_code == ASC_HALT_SDTR_REJECTED) { - - AscMemWordCopyPtrFromLram(iop_base, - ASCV_MSGOUT_BEG, - (uchar *) &out_msg, - sizeof(EXT_MSG) >> 1); - - if ((out_msg.msg_type == MS_EXTEND) && - (out_msg.msg_len == MS_SDTR_LEN) && - (out_msg.msg_req == MS_SDTR_CODE)) { - - asc_dvc->init_sdtr &= ~target_id; - asc_dvc->sdtr_done &= ~target_id; - AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); - boardp->sdtr_data[tid_no] = asyn_sdtr; - } - q_cntl &= ~QC_MSG_OUT; - AscWriteLramByte(iop_base, - (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), - q_cntl); - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return (0); - } else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) { - - scsi_status = AscReadLramByte(iop_base, - (ushort) ((ushort) halt_q_addr + (ushort) ASC_SCSIQ_SCSI_STATUS)); - cur_dvc_qng = AscReadLramByte(iop_base, - (ushort) ((ushort) ASC_QADR_BEG + (ushort) target_ix)); - if ((cur_dvc_qng > 0) && - (asc_dvc->cur_dvc_qng[tid_no] > 0)) { - - scsi_busy = AscReadLramByte(iop_base, - (ushort) ASCV_SCSIBUSY_B); - scsi_busy |= target_id; - AscWriteLramByte(iop_base, - (ushort) ASCV_SCSIBUSY_B, scsi_busy); - asc_dvc->queue_full_or_busy |= target_id; - - if (scsi_status == SAM_STAT_TASK_SET_FULL) { - if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) { - cur_dvc_qng -= 1; - asc_dvc->max_dvc_qng[tid_no] = cur_dvc_qng; - - AscWriteLramByte(iop_base, - (ushort) ((ushort) ASCV_MAX_DVC_QNG_BEG + - (ushort) tid_no), - cur_dvc_qng); - - /* - * Set the device queue depth to the number of - * active requests when the QUEUE FULL condition - * was encountered. - */ - boardp->queue_full |= target_id; - boardp->queue_full_cnt[tid_no] = cur_dvc_qng; - } - } - } - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return (0); - } -#if CC_VERY_LONG_SG_LIST - else if (int_halt_code == ASC_HALT_HOST_COPY_SG_LIST_TO_RISC) - { - uchar q_no; - ushort q_addr; - uchar sg_wk_q_no; - uchar first_sg_wk_q_no; - ASC_SCSI_Q *scsiq; /* Ptr to driver request. */ - ASC_SG_HEAD *sg_head; /* Ptr to driver SG request. */ - ASC_SG_LIST_Q scsi_sg_q; /* Structure written to queue. */ - ushort sg_list_dwords; - ushort sg_entry_cnt; - uchar next_qp; - int i; - - q_no = AscReadLramByte(iop_base, (ushort) ASCV_REQ_SG_LIST_QP); - if (q_no == ASC_QLINK_END) - { - return(0); - } - - q_addr = ASC_QNO_TO_QADDR(q_no); - - /* - * Convert the request's SRB pointer to a host ASC_SCSI_REQ - * structure pointer using a macro provided by the driver. - * The ASC_SCSI_REQ pointer provides a pointer to the - * host ASC_SG_HEAD structure. - */ - /* Read request's SRB pointer. */ - scsiq = (ASC_SCSI_Q *) - ASC_SRB2SCSIQ( - ASC_U32_TO_VADDR(AscReadLramDWord(iop_base, - (ushort) (q_addr + ASC_SCSIQ_D_SRBPTR)))); - - /* - * Get request's first and working SG queue. - */ - sg_wk_q_no = AscReadLramByte(iop_base, - (ushort) (q_addr + ASC_SCSIQ_B_SG_WK_QP)); - - first_sg_wk_q_no = AscReadLramByte(iop_base, - (ushort) (q_addr + ASC_SCSIQ_B_FIRST_SG_WK_QP)); - - /* - * Reset request's working SG queue back to the - * first SG queue. - */ - AscWriteLramByte(iop_base, - (ushort) (q_addr + (ushort) ASC_SCSIQ_B_SG_WK_QP), - first_sg_wk_q_no); - - sg_head = scsiq->sg_head; - - /* - * Set sg_entry_cnt to the number of SG elements - * that will be completed on this interrupt. - * - * Note: The allocated SG queues contain ASC_MAX_SG_LIST - 1 - * SG elements. The data_cnt and data_addr fields which - * add 1 to the SG element capacity are not used when - * restarting SG handling after a halt. - */ - if (scsiq->remain_sg_entry_cnt > (ASC_MAX_SG_LIST - 1)) - { - sg_entry_cnt = ASC_MAX_SG_LIST - 1; - - /* - * Keep track of remaining number of SG elements that will - * need to be handled on the next interrupt. - */ - scsiq->remain_sg_entry_cnt -= (ASC_MAX_SG_LIST - 1); - } else - { - sg_entry_cnt = scsiq->remain_sg_entry_cnt; - scsiq->remain_sg_entry_cnt = 0; - } - - /* - * Copy SG elements into the list of allocated SG queues. - * - * Last index completed is saved in scsiq->next_sg_index. - */ - next_qp = first_sg_wk_q_no; - q_addr = ASC_QNO_TO_QADDR(next_qp); - scsi_sg_q.sg_head_qp = q_no; - scsi_sg_q.cntl = QCSG_SG_XFER_LIST; - for( i = 0; i < sg_head->queue_cnt; i++) - { - scsi_sg_q.seq_no = i + 1; - if (sg_entry_cnt > ASC_SG_LIST_PER_Q) - { - sg_list_dwords = (uchar) (ASC_SG_LIST_PER_Q * 2); - sg_entry_cnt -= ASC_SG_LIST_PER_Q; - /* - * After very first SG queue RISC FW uses next - * SG queue first element then checks sg_list_cnt - * against zero and then decrements, so set - * sg_list_cnt 1 less than number of SG elements - * in each SG queue. - */ - scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1; - scsi_sg_q.sg_cur_list_cnt = ASC_SG_LIST_PER_Q - 1; - } else { - /* - * This is the last SG queue in the list of - * allocated SG queues. If there are more - * SG elements than will fit in the allocated - * queues, then set the QCSG_SG_XFER_MORE flag. - */ - if (scsiq->remain_sg_entry_cnt != 0) - { - scsi_sg_q.cntl |= QCSG_SG_XFER_MORE; - } else - { - scsi_sg_q.cntl |= QCSG_SG_XFER_END; - } - /* equals sg_entry_cnt * 2 */ - sg_list_dwords = sg_entry_cnt << 1; - scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1; - scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1; - sg_entry_cnt = 0; - } - - scsi_sg_q.q_no = next_qp; - AscMemWordCopyPtrToLram(iop_base, - q_addr + ASC_SCSIQ_SGHD_CPY_BEG, - (uchar *) &scsi_sg_q, - sizeof(ASC_SG_LIST_Q) >> 1); - - AscMemDWordCopyPtrToLram(iop_base, - q_addr + ASC_SGQ_LIST_BEG, - (uchar *) &sg_head->sg_list[scsiq->next_sg_index], - sg_list_dwords); - - scsiq->next_sg_index += ASC_SG_LIST_PER_Q; - - /* - * If the just completed SG queue contained the - * last SG element, then no more SG queues need - * to be written. - */ - if (scsi_sg_q.cntl & QCSG_SG_XFER_END) - { - break; - } - - next_qp = AscReadLramByte( iop_base, - ( ushort )( q_addr+ASC_SCSIQ_B_FWD ) ); - q_addr = ASC_QNO_TO_QADDR( next_qp ); - } - - /* - * Clear the halt condition so the RISC will be restarted - * after the return. - */ - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - return(0); - } -#endif /* CC_VERY_LONG_SG_LIST */ - return (0); -} + iop_base = asc_dvc->iop_base; + int_pending = FALSE; -STATIC uchar -_AscCopyLramScsiDoneQ( - PortAddr iop_base, - ushort q_addr, - ASC_QDONE_INFO * scsiq, - ASC_DCNT max_dma_count -) -{ - ushort _val; - uchar sg_queue_cnt; - - DvcGetQinfo(iop_base, - q_addr + ASC_SCSIQ_DONE_INFO_BEG, - (uchar *) scsiq, - (sizeof (ASC_SCSIQ_2) + sizeof (ASC_SCSIQ_3)) / 2); - - _val = AscReadLramWord(iop_base, - (ushort) (q_addr + (ushort) ASC_SCSIQ_B_STATUS)); - scsiq->q_status = (uchar) _val; - scsiq->q_no = (uchar) (_val >> 8); - _val = AscReadLramWord(iop_base, - (ushort) (q_addr + (ushort) ASC_SCSIQ_B_CNTL)); - scsiq->cntl = (uchar) _val; - sg_queue_cnt = (uchar) (_val >> 8); - _val = AscReadLramWord(iop_base, - (ushort) (q_addr + (ushort) ASC_SCSIQ_B_SENSE_LEN)); - scsiq->sense_len = (uchar) _val; - scsiq->extra_bytes = (uchar) (_val >> 8); - - /* - * Read high word of remain bytes from alternate location. - */ - scsiq->remain_bytes = (((ADV_DCNT) AscReadLramWord( iop_base, - (ushort) (q_addr+ (ushort) ASC_SCSIQ_W_ALT_DC1))) << 16); - /* - * Read low word of remain bytes from original location. - */ - scsiq->remain_bytes += AscReadLramWord(iop_base, - (ushort) (q_addr+ (ushort) ASC_SCSIQ_DW_REMAIN_XFER_CNT)); - - scsiq->remain_bytes &= max_dma_count; - return (sg_queue_cnt); -} + if (AscIsIntPending(iop_base) == 0) + return int_pending; -STATIC int -AscIsrQDone( - ASC_DVC_VAR *asc_dvc -) -{ - uchar next_qp; - uchar n_q_used; - uchar sg_list_qp; - uchar sg_queue_cnt; - uchar q_cnt; - uchar done_q_tail; - uchar tid_no; - ASC_SCSI_BIT_ID_TYPE scsi_busy; - ASC_SCSI_BIT_ID_TYPE target_id; - PortAddr iop_base; - ushort q_addr; - ushort sg_q_addr; - uchar cur_target_qng; - ASC_QDONE_INFO scsiq_buf; - ASC_QDONE_INFO *scsiq; - int false_overrun; - ASC_ISR_CALLBACK asc_isr_callback; - - iop_base = asc_dvc->iop_base; - asc_isr_callback = asc_dvc->isr_callback; - n_q_used = 1; - scsiq = (ASC_QDONE_INFO *) & scsiq_buf; - done_q_tail = (uchar) AscGetVarDoneQTail(iop_base); - q_addr = ASC_QNO_TO_QADDR(done_q_tail); - next_qp = AscReadLramByte(iop_base, - (ushort) (q_addr + (ushort) ASC_SCSIQ_B_FWD)); - if (next_qp != ASC_QLINK_END) { - AscPutVarDoneQTail(iop_base, next_qp); - q_addr = ASC_QNO_TO_QADDR(next_qp); - sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq, - asc_dvc->max_dma_count); - AscWriteLramByte(iop_base, - (ushort) (q_addr + (ushort) ASC_SCSIQ_B_STATUS), - (uchar) (scsiq->q_status & (uchar) ~ (QS_READY | QS_ABORTED))); - tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix); - target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix); - if ((scsiq->cntl & QC_SG_HEAD) != 0) { - sg_q_addr = q_addr; - sg_list_qp = next_qp; - for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) { - sg_list_qp = AscReadLramByte(iop_base, - (ushort) (sg_q_addr + (ushort) ASC_SCSIQ_B_FWD)); - sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp); - if (sg_list_qp == ASC_QLINK_END) { - AscSetLibErrorCode(asc_dvc, ASCQ_ERR_SG_Q_LINKS); - scsiq->d3.done_stat = QD_WITH_ERROR; - scsiq->d3.host_stat = QHSTA_D_QDONE_SG_LIST_CORRUPTED; - goto FATAL_ERR_QDONE; - } - AscWriteLramByte(iop_base, - (ushort) (sg_q_addr + (ushort) ASC_SCSIQ_B_STATUS), - QS_FREE); - } - n_q_used = sg_queue_cnt + 1; - AscPutVarDoneQTail(iop_base, sg_list_qp); - } - if (asc_dvc->queue_full_or_busy & target_id) { - cur_target_qng = AscReadLramByte(iop_base, - (ushort) ((ushort) ASC_QADR_BEG + (ushort) scsiq->d2.target_ix)); - if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) { - scsi_busy = AscReadLramByte(iop_base, - (ushort) ASCV_SCSIBUSY_B); - scsi_busy &= ~target_id; - AscWriteLramByte(iop_base, - (ushort) ASCV_SCSIBUSY_B, scsi_busy); - asc_dvc->queue_full_or_busy &= ~target_id; - } - } - if (asc_dvc->cur_total_qng >= n_q_used) { - asc_dvc->cur_total_qng -= n_q_used; - if (asc_dvc->cur_dvc_qng[tid_no] != 0) { - asc_dvc->cur_dvc_qng[tid_no]--; - } - } else { - AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG); - scsiq->d3.done_stat = QD_WITH_ERROR; - goto FATAL_ERR_QDONE; - } - if ((scsiq->d2.srb_ptr == 0UL) || - ((scsiq->q_status & QS_ABORTED) != 0)) { - return (0x11); - } else if (scsiq->q_status == QS_DONE) { - false_overrun = FALSE; - if (scsiq->extra_bytes != 0) { - scsiq->remain_bytes += (ADV_DCNT) scsiq->extra_bytes; - } - if (scsiq->d3.done_stat == QD_WITH_ERROR) { - if (scsiq->d3.host_stat == QHSTA_M_DATA_OVER_RUN) { - if ((scsiq->cntl & (QC_DATA_IN | QC_DATA_OUT)) == 0) { - scsiq->d3.done_stat = QD_NO_ERROR; - scsiq->d3.host_stat = QHSTA_NO_ERROR; - } else if (false_overrun) { - scsiq->d3.done_stat = QD_NO_ERROR; - scsiq->d3.host_stat = QHSTA_NO_ERROR; - } - } else if (scsiq->d3.host_stat == - QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) { - AscStopChip(iop_base); - AscSetChipControl(iop_base, - (uchar) (CC_SCSI_RESET | CC_HALT)); - DvcDelayNanoSecond(asc_dvc, 60000); - AscSetChipControl(iop_base, CC_HALT); - AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT); - AscSetChipStatus(iop_base, 0); - AscSetChipControl(iop_base, 0); - } - } - if ((scsiq->cntl & QC_NO_CALLBACK) == 0) { - (*asc_isr_callback) (asc_dvc, scsiq); - } else { - if ((AscReadLramByte(iop_base, - (ushort) (q_addr + (ushort) ASC_SCSIQ_CDB_BEG)) == - START_STOP)) { - asc_dvc->unit_not_ready &= ~target_id; - if (scsiq->d3.done_stat != QD_NO_ERROR) { - asc_dvc->start_motor &= ~target_id; - } - } - } - return (1); - } else { - AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS); - FATAL_ERR_QDONE: - if ((scsiq->cntl & QC_NO_CALLBACK) == 0) { - (*asc_isr_callback) (asc_dvc, scsiq); - } - return (0x80); - } - } - return (0); + if ((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) { + return ERR; + } + if (asc_dvc->in_critical_cnt != 0) { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL); + return ERR; + } + if (asc_dvc->is_in_int) { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY); + return ERR; + } + asc_dvc->is_in_int = TRUE; + ctrl_reg = AscGetChipControl(iop_base); + saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET | + CC_SINGLE_STEP | CC_DIAG | CC_TEST)); + chipstat = AscGetChipStatus(iop_base); + if (chipstat & CSW_SCSI_RESET_LATCH) { + if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) { + int i = 10; + int_pending = TRUE; + asc_dvc->sdtr_done = 0; + saved_ctrl_reg &= (uchar)(~CC_HALT); + while ((AscGetChipStatus(iop_base) & + CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) { + mdelay(100); + } + AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT)); + AscSetChipControl(iop_base, CC_HALT); + AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT); + AscSetChipStatus(iop_base, 0); + chipstat = AscGetChipStatus(iop_base); + } + } + saved_ram_addr = AscGetChipLramAddr(iop_base); + host_flag = AscReadLramByte(iop_base, + ASCV_HOST_FLAG_B) & + (uchar)(~ASC_HOST_FLAG_IN_ISR); + AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, + (uchar)(host_flag | (uchar)ASC_HOST_FLAG_IN_ISR)); + if ((chipstat & CSW_INT_PENDING) || (int_pending)) { + AscAckInterrupt(iop_base); + int_pending = TRUE; + if ((chipstat & CSW_HALTED) && (ctrl_reg & CC_SINGLE_STEP)) { + if (AscIsrChipHalted(asc_dvc) == ERR) { + goto ISR_REPORT_QDONE_FATAL_ERROR; + } else { + saved_ctrl_reg &= (uchar)(~CC_HALT); + } + } else { + ISR_REPORT_QDONE_FATAL_ERROR: + if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) { + while (((status = + AscIsrQDone(asc_dvc)) & 0x01) != 0) { + } + } else { + do { + if ((status = + AscIsrQDone(asc_dvc)) == 1) { + break; + } + } while (status == 0x11); + } + if ((status & 0x80) != 0) + int_pending = ERR; + } + } + AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag); + AscSetChipLramAddr(iop_base, saved_ram_addr); + AscSetChipControl(iop_base, saved_ctrl_reg); + asc_dvc->is_in_int = FALSE; + return int_pending; } -STATIC int -AscISR( - ASC_DVC_VAR *asc_dvc -) +/* + * advansys_reset() + * + * Reset the bus associated with the command 'scp'. + * + * This function runs its own thread. Interrupts must be blocked but + * sleeping is allowed and no locking other than for host structures is + * required. Returns SUCCESS or FAILED. + */ +static int advansys_reset(struct scsi_cmnd *scp) { - ASC_CS_TYPE chipstat; - PortAddr iop_base; - ushort saved_ram_addr; - uchar ctrl_reg; - uchar saved_ctrl_reg; - int int_pending; - int status; - uchar host_flag; - - iop_base = asc_dvc->iop_base; - int_pending = FALSE; - - if (AscIsIntPending(iop_base) == 0) - { - return int_pending; - } + struct Scsi_Host *shost = scp->device->host; + struct asc_board *boardp = shost_priv(shost); + unsigned long flags; + int status; + int ret = SUCCESS; - if (((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) - || (asc_dvc->isr_callback == 0) -) { - return (ERR); - } - if (asc_dvc->in_critical_cnt != 0) { - AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL); - return (ERR); - } - if (asc_dvc->is_in_int) { - AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY); - return (ERR); - } - asc_dvc->is_in_int = TRUE; - ctrl_reg = AscGetChipControl(iop_base); - saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET | - CC_SINGLE_STEP | CC_DIAG | CC_TEST)); - chipstat = AscGetChipStatus(iop_base); - if (chipstat & CSW_SCSI_RESET_LATCH) { - if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) { - int i = 10; - int_pending = TRUE; - asc_dvc->sdtr_done = 0; - saved_ctrl_reg &= (uchar) (~CC_HALT); - while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE) && - (i-- > 0)) - { - DvcSleepMilliSecond(100); - } - AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT)); - AscSetChipControl(iop_base, CC_HALT); - AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT); - AscSetChipStatus(iop_base, 0); - chipstat = AscGetChipStatus(iop_base); - } - } - saved_ram_addr = AscGetChipLramAddr(iop_base); - host_flag = AscReadLramByte(iop_base, - ASCV_HOST_FLAG_B) & (uchar) (~ASC_HOST_FLAG_IN_ISR); - AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, - (uchar) (host_flag | (uchar) ASC_HOST_FLAG_IN_ISR)); - if ((chipstat & CSW_INT_PENDING) - || (int_pending) -) { - AscAckInterrupt(iop_base); - int_pending = TRUE; - if ((chipstat & CSW_HALTED) && - (ctrl_reg & CC_SINGLE_STEP)) { - if (AscIsrChipHalted(asc_dvc) == ERR) { - goto ISR_REPORT_QDONE_FATAL_ERROR; - } else { - saved_ctrl_reg &= (uchar) (~CC_HALT); - } - } else { - ISR_REPORT_QDONE_FATAL_ERROR: - if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) { - while (((status = AscIsrQDone(asc_dvc)) & 0x01) != 0) { - } - } else { - do { - if ((status = AscIsrQDone(asc_dvc)) == 1) { - break; - } - } while (status == 0x11); - } - if ((status & 0x80) != 0) - int_pending = ERR; - } - } - AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag); - AscSetChipLramAddr(iop_base, saved_ram_addr); - AscSetChipControl(iop_base, saved_ctrl_reg); - asc_dvc->is_in_int = FALSE; - return (int_pending); -} + ASC_DBG(1, "0x%p\n", scp); -/* Microcode buffer is kept after initialization for error recovery. */ -STATIC uchar _asc_mcode_buf[] = -{ - 0x01, 0x03, 0x01, 0x19, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0xC3, 0x12, 0x0D, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0xFF, 0x80, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE4, 0x88, 0x00, 0x00, 0x00, 0x00, - 0x80, 0x73, 0x48, 0x04, 0x36, 0x00, 0x00, 0xA2, 0xC2, 0x00, 0x80, 0x73, 0x03, 0x23, 0x36, 0x40, - 0xB6, 0x00, 0x36, 0x00, 0x05, 0xD6, 0x0C, 0xD2, 0x12, 0xDA, 0x00, 0xA2, 0xC2, 0x00, 0x92, 0x80, - 0x1E, 0x98, 0x50, 0x00, 0xF5, 0x00, 0x48, 0x98, 0xDF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, - 0x4F, 0x00, 0xF5, 0x00, 0x48, 0x98, 0xEF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x80, 0x62, - 0x92, 0x80, 0x00, 0x46, 0x15, 0xEE, 0x13, 0xEA, 0x02, 0x01, 0x09, 0xD8, 0xCD, 0x04, 0x4D, 0x00, - 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INQUIRY, - REQUEST_SENSE, - READ_CAPACITY, - READ_TOC, - MODE_SELECT, - MODE_SENSE, - MODE_SELECT_10, - MODE_SENSE_10, - 0xFF, - 0xFF, - 0xFF, - 0xFF, - 0xFF, - 0xFF, - 0xFF, - 0xFF -}; + if (ASC_NARROW_BOARD(boardp)) { + ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var; -STATIC int -AscExeScsiQueue( - ASC_DVC_VAR *asc_dvc, - ASC_SCSI_Q *scsiq -) -{ - PortAddr iop_base; - ulong last_int_level; - int sta; - int n_q_required; - int disable_syn_offset_one_fix; - int i; - ASC_PADDR addr; - ASC_EXE_CALLBACK asc_exe_callback; - ushort sg_entry_cnt = 0; - ushort sg_entry_cnt_minus_one = 0; - uchar target_ix; - uchar tid_no; - uchar sdtr_data; - uchar extra_bytes; - uchar scsi_cmd; - uchar disable_cmd; - ASC_SG_HEAD *sg_head; - ASC_DCNT data_cnt; - - iop_base = asc_dvc->iop_base; - sg_head = scsiq->sg_head; - asc_exe_callback = asc_dvc->exe_callback; - if (asc_dvc->err_code != 0) - return (ERR); - if (scsiq == (ASC_SCSI_Q *) 0L) { - AscSetLibErrorCode(asc_dvc, ASCQ_ERR_SCSIQ_NULL_PTR); - return (ERR); - } - scsiq->q1.q_no = 0; - if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) { - scsiq->q1.extra_bytes = 0; - } - sta = 0; - target_ix = scsiq->q2.target_ix; - tid_no = ASC_TIX_TO_TID(target_ix); - n_q_required = 1; - if (scsiq->cdbptr[0] == REQUEST_SENSE) { - if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) { - asc_dvc->sdtr_done &= ~scsiq->q1.target_id; - sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); - AscMsgOutSDTR(asc_dvc, - asc_dvc->sdtr_period_tbl[(sdtr_data >> 4) & - (uchar) (asc_dvc->max_sdtr_index - 1)], - (uchar) (sdtr_data & (uchar) ASC_SYN_MAX_OFFSET)); - scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT); - } - } - last_int_level = DvcEnterCritical(); - if (asc_dvc->in_critical_cnt != 0) { - DvcLeaveCritical(last_int_level); - AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY); - return (ERR); - } - asc_dvc->in_critical_cnt++; - if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) { - if ((sg_entry_cnt = sg_head->entry_cnt) == 0) { - asc_dvc->in_critical_cnt--; - DvcLeaveCritical(last_int_level); - return (ERR); - } -#if !CC_VERY_LONG_SG_LIST - if (sg_entry_cnt > ASC_MAX_SG_LIST) - { - asc_dvc->in_critical_cnt--; - DvcLeaveCritical(last_int_level); - return(ERR); - } -#endif /* !CC_VERY_LONG_SG_LIST */ - if (sg_entry_cnt == 1) { - scsiq->q1.data_addr = (ADV_PADDR) sg_head->sg_list[0].addr; - scsiq->q1.data_cnt = (ADV_DCNT) sg_head->sg_list[0].bytes; - scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE); - } - sg_entry_cnt_minus_one = sg_entry_cnt - 1; - } - scsi_cmd = scsiq->cdbptr[0]; - disable_syn_offset_one_fix = FALSE; - if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) && - !(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) { - if (scsiq->q1.cntl & QC_SG_HEAD) { - data_cnt = 0; - for (i = 0; i < sg_entry_cnt; i++) { - data_cnt += (ADV_DCNT) le32_to_cpu(sg_head->sg_list[i].bytes); - } - } else { - data_cnt = le32_to_cpu(scsiq->q1.data_cnt); - } - if (data_cnt != 0UL) { - if (data_cnt < 512UL) { - disable_syn_offset_one_fix = TRUE; - } else { - for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST; i++) { - disable_cmd = _syn_offset_one_disable_cmd[i]; - if (disable_cmd == 0xFF) { - break; - } - if (scsi_cmd == disable_cmd) { - disable_syn_offset_one_fix = TRUE; - break; - } - } - } - } - } - if (disable_syn_offset_one_fix) { - scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG; - scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX | - ASC_TAG_FLAG_DISABLE_DISCONNECT); - } else { - scsiq->q2.tag_code &= 0x27; - } - if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) { - if (asc_dvc->bug_fix_cntl) { - if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) { - if ((scsi_cmd == READ_6) || - (scsi_cmd == READ_10)) { - addr = - (ADV_PADDR) le32_to_cpu( - sg_head->sg_list[sg_entry_cnt_minus_one].addr) + - (ADV_DCNT) le32_to_cpu( - sg_head->sg_list[sg_entry_cnt_minus_one].bytes); - extra_bytes = (uchar) ((ushort) addr & 0x0003); - if ((extra_bytes != 0) && - ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) - == 0)) { - scsiq->q2.tag_code |= ASC_TAG_FLAG_EXTRA_BYTES; - scsiq->q1.extra_bytes = extra_bytes; - data_cnt = le32_to_cpu( - sg_head->sg_list[sg_entry_cnt_minus_one].bytes); - data_cnt -= (ASC_DCNT) extra_bytes; - sg_head->sg_list[sg_entry_cnt_minus_one].bytes = - cpu_to_le32(data_cnt); - } - } - } - } - sg_head->entry_to_copy = sg_head->entry_cnt; -#if CC_VERY_LONG_SG_LIST - /* - * Set the sg_entry_cnt to the maximum possible. The rest of - * the SG elements will be copied when the RISC completes the - * SG elements that fit and halts. - */ - if (sg_entry_cnt > ASC_MAX_SG_LIST) - { - sg_entry_cnt = ASC_MAX_SG_LIST; - } -#endif /* CC_VERY_LONG_SG_LIST */ - n_q_required = AscSgListToQueue(sg_entry_cnt); - if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >= - (uint) n_q_required) || ((scsiq->q1.cntl & QC_URGENT) != 0)) { - if ((sta = AscSendScsiQueue(asc_dvc, scsiq, - n_q_required)) == 1) { - asc_dvc->in_critical_cnt--; - if (asc_exe_callback != 0) { - (*asc_exe_callback) (asc_dvc, scsiq); - } - DvcLeaveCritical(last_int_level); - return (sta); - } - } - } else { - if (asc_dvc->bug_fix_cntl) { - if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) { - if ((scsi_cmd == READ_6) || - (scsi_cmd == READ_10)) { - addr = le32_to_cpu(scsiq->q1.data_addr) + - le32_to_cpu(scsiq->q1.data_cnt); - extra_bytes = (uchar) ((ushort) addr & 0x0003); - if ((extra_bytes != 0) && - ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) - == 0)) { - data_cnt = le32_to_cpu(scsiq->q1.data_cnt); - if (((ushort) data_cnt & 0x01FF) == 0) { - scsiq->q2.tag_code |= ASC_TAG_FLAG_EXTRA_BYTES; - data_cnt -= (ASC_DCNT) extra_bytes; - scsiq->q1.data_cnt = cpu_to_le32(data_cnt); - scsiq->q1.extra_bytes = extra_bytes; - } - } - } - } - } - n_q_required = 1; - if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) || - ((scsiq->q1.cntl & QC_URGENT) != 0)) { - if ((sta = AscSendScsiQueue(asc_dvc, scsiq, - n_q_required)) == 1) { - asc_dvc->in_critical_cnt--; - if (asc_exe_callback != 0) { - (*asc_exe_callback) (asc_dvc, scsiq); - } - DvcLeaveCritical(last_int_level); - return (sta); - } - } - } - asc_dvc->in_critical_cnt--; - DvcLeaveCritical(last_int_level); - return (sta); -} + /* Reset the chip and SCSI bus. */ + ASC_DBG(1, "before AscInitAsc1000Driver()\n"); + status = AscInitAsc1000Driver(asc_dvc); -STATIC int -AscSendScsiQueue( - ASC_DVC_VAR *asc_dvc, - ASC_SCSI_Q *scsiq, - uchar n_q_required -) -{ - PortAddr iop_base; - uchar free_q_head; - uchar next_qp; - uchar tid_no; - uchar target_ix; - int sta; - - iop_base = asc_dvc->iop_base; - target_ix = scsiq->q2.target_ix; - tid_no = ASC_TIX_TO_TID(target_ix); - sta = 0; - free_q_head = (uchar) AscGetVarFreeQHead(iop_base); - if (n_q_required > 1) { - if ((next_qp = AscAllocMultipleFreeQueue(iop_base, - free_q_head, (uchar) (n_q_required))) - != (uchar) ASC_QLINK_END) { - asc_dvc->last_q_shortage = 0; - scsiq->sg_head->queue_cnt = n_q_required - 1; - scsiq->q1.q_no = free_q_head; - if ((sta = AscPutReadySgListQueue(asc_dvc, scsiq, - free_q_head)) == 1) { - AscPutVarFreeQHead(iop_base, next_qp); - asc_dvc->cur_total_qng += (uchar) (n_q_required); - asc_dvc->cur_dvc_qng[tid_no]++; - } - return (sta); - } - } else if (n_q_required == 1) { - if ((next_qp = AscAllocFreeQueue(iop_base, - free_q_head)) != ASC_QLINK_END) { - scsiq->q1.q_no = free_q_head; - if ((sta = AscPutReadyQueue(asc_dvc, scsiq, - free_q_head)) == 1) { - AscPutVarFreeQHead(iop_base, next_qp); - asc_dvc->cur_total_qng++; - asc_dvc->cur_dvc_qng[tid_no]++; - } - return (sta); - } - } - return (sta); -} + /* Refer to ASC_IERR_* defintions for meaning of 'err_code'. */ + if (asc_dvc->err_code) { + scmd_printk(KERN_INFO, scp, "SCSI bus reset error: " + "0x%x\n", asc_dvc->err_code); + ret = FAILED; + } else if (status) { + scmd_printk(KERN_INFO, scp, "SCSI bus reset warning: " + "0x%x\n", status); + } else { + scmd_printk(KERN_INFO, scp, "SCSI bus reset " + "successful\n"); + } -STATIC int -AscSgListToQueue( - int sg_list -) -{ - int n_sg_list_qs; + ASC_DBG(1, "after AscInitAsc1000Driver()\n"); + spin_lock_irqsave(shost->host_lock, flags); + } else { + /* + * If the suggest reset bus flags are set, then reset the bus. + * Otherwise only reset the device. + */ + ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var; - n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q); - if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0) - n_sg_list_qs++; - return (n_sg_list_qs + 1); -} + /* + * Reset the target's SCSI bus. + */ + ASC_DBG(1, "before AdvResetChipAndSB()\n"); + switch (AdvResetChipAndSB(adv_dvc)) { + case ASC_TRUE: + scmd_printk(KERN_INFO, scp, "SCSI bus reset " + "successful\n"); + break; + case ASC_FALSE: + default: + scmd_printk(KERN_INFO, scp, "SCSI bus reset error\n"); + ret = FAILED; + break; + } + spin_lock_irqsave(shost->host_lock, flags); + AdvISR(adv_dvc); + } + /* Save the time of the most recently completed reset. */ + boardp->last_reset = jiffies; + spin_unlock_irqrestore(shost->host_lock, flags); -STATIC uint -AscGetNumOfFreeQueue( - ASC_DVC_VAR *asc_dvc, - uchar target_ix, - uchar n_qs -) -{ - uint cur_used_qs; - uint cur_free_qs; - ASC_SCSI_BIT_ID_TYPE target_id; - uchar tid_no; - - target_id = ASC_TIX_TO_TARGET_ID(target_ix); - tid_no = ASC_TIX_TO_TID(target_ix); - if ((asc_dvc->unit_not_ready & target_id) || - (asc_dvc->queue_full_or_busy & target_id)) { - return (0); - } - if (n_qs == 1) { - cur_used_qs = (uint) asc_dvc->cur_total_qng + - (uint) asc_dvc->last_q_shortage + - (uint) ASC_MIN_FREE_Q; - } else { - cur_used_qs = (uint) asc_dvc->cur_total_qng + - (uint) ASC_MIN_FREE_Q; - } - if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) { - cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs; - if (asc_dvc->cur_dvc_qng[tid_no] >= - asc_dvc->max_dvc_qng[tid_no]) { - return (0); - } - return (cur_free_qs); - } - if (n_qs > 1) { - if ((n_qs > asc_dvc->last_q_shortage) && (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) { - asc_dvc->last_q_shortage = n_qs; - } - } - return (0); -} + ASC_DBG(1, "ret %d\n", ret); -STATIC int -AscPutReadyQueue( - ASC_DVC_VAR *asc_dvc, - ASC_SCSI_Q *scsiq, - uchar q_no -) -{ - ushort q_addr; - uchar tid_no; - uchar sdtr_data; - uchar syn_period_ix; - uchar syn_offset; - PortAddr iop_base; - - iop_base = asc_dvc->iop_base; - if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) && - ((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) { - tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix); - sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); - syn_period_ix = (sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1); - syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET; - AscMsgOutSDTR(asc_dvc, - asc_dvc->sdtr_period_tbl[syn_period_ix], - syn_offset); - scsiq->q1.cntl |= QC_MSG_OUT; - } - q_addr = ASC_QNO_TO_QADDR(q_no); - if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) { - scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG ; - } - scsiq->q1.status = QS_FREE; - AscMemWordCopyPtrToLram(iop_base, - q_addr + ASC_SCSIQ_CDB_BEG, - (uchar *) scsiq->cdbptr, - scsiq->q2.cdb_len >> 1); - - DvcPutScsiQ(iop_base, - q_addr + ASC_SCSIQ_CPY_BEG, - (uchar *) &scsiq->q1.cntl, - ((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1); - AscWriteLramWord(iop_base, - (ushort) (q_addr + (ushort) ASC_SCSIQ_B_STATUS), - (ushort) (((ushort) scsiq->q1.q_no << 8) | (ushort) QS_READY)); - return (1); + return ret; } -STATIC int -AscPutReadySgListQueue( - ASC_DVC_VAR *asc_dvc, - ASC_SCSI_Q *scsiq, - uchar q_no -) -{ - int sta; - int i; - ASC_SG_HEAD *sg_head; - ASC_SG_LIST_Q scsi_sg_q; - ASC_DCNT saved_data_addr; - ASC_DCNT saved_data_cnt; - PortAddr iop_base; - ushort sg_list_dwords; - ushort sg_index; - ushort sg_entry_cnt; - ushort q_addr; - uchar next_qp; - - iop_base = asc_dvc->iop_base; - sg_head = scsiq->sg_head; - saved_data_addr = scsiq->q1.data_addr; - saved_data_cnt = scsiq->q1.data_cnt; - scsiq->q1.data_addr = (ASC_PADDR) sg_head->sg_list[0].addr; - scsiq->q1.data_cnt = (ASC_DCNT) sg_head->sg_list[0].bytes; -#if CC_VERY_LONG_SG_LIST - /* - * If sg_head->entry_cnt is greater than ASC_MAX_SG_LIST - * then not all SG elements will fit in the allocated queues. - * The rest of the SG elements will be copied when the RISC - * completes the SG elements that fit and halts. - */ - if (sg_head->entry_cnt > ASC_MAX_SG_LIST) - { - /* - * Set sg_entry_cnt to be the number of SG elements that - * will fit in the allocated SG queues. It is minus 1, because - * the first SG element is handled above. ASC_MAX_SG_LIST is - * already inflated by 1 to account for this. For example it - * may be 50 which is 1 + 7 queues * 7 SG elements. - */ - sg_entry_cnt = ASC_MAX_SG_LIST - 1; - - /* - * Keep track of remaining number of SG elements that will - * need to be handled from a_isr.c. - */ - scsiq->remain_sg_entry_cnt = sg_head->entry_cnt - ASC_MAX_SG_LIST; - } else - { -#endif /* CC_VERY_LONG_SG_LIST */ - /* - * Set sg_entry_cnt to be the number of SG elements that - * will fit in the allocated SG queues. It is minus 1, because - * the first SG element is handled above. - */ - sg_entry_cnt = sg_head->entry_cnt - 1; -#if CC_VERY_LONG_SG_LIST - } -#endif /* CC_VERY_LONG_SG_LIST */ - if (sg_entry_cnt != 0) { - scsiq->q1.cntl |= QC_SG_HEAD; - q_addr = ASC_QNO_TO_QADDR(q_no); - sg_index = 1; - scsiq->q1.sg_queue_cnt = sg_head->queue_cnt; - scsi_sg_q.sg_head_qp = q_no; - scsi_sg_q.cntl = QCSG_SG_XFER_LIST; - for (i = 0; i < sg_head->queue_cnt; i++) { - scsi_sg_q.seq_no = i + 1; - if (sg_entry_cnt > ASC_SG_LIST_PER_Q) { - sg_list_dwords = (uchar) (ASC_SG_LIST_PER_Q * 2); - sg_entry_cnt -= ASC_SG_LIST_PER_Q; - if (i == 0) { - scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q; - scsi_sg_q.sg_cur_list_cnt = ASC_SG_LIST_PER_Q; - } else { - scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1; - scsi_sg_q.sg_cur_list_cnt = ASC_SG_LIST_PER_Q - 1; - } - } else { -#if CC_VERY_LONG_SG_LIST - /* - * This is the last SG queue in the list of - * allocated SG queues. If there are more - * SG elements than will fit in the allocated - * queues, then set the QCSG_SG_XFER_MORE flag. - */ - if (sg_head->entry_cnt > ASC_MAX_SG_LIST) - { - scsi_sg_q.cntl |= QCSG_SG_XFER_MORE; - } else - { -#endif /* CC_VERY_LONG_SG_LIST */ - scsi_sg_q.cntl |= QCSG_SG_XFER_END; -#if CC_VERY_LONG_SG_LIST - } -#endif /* CC_VERY_LONG_SG_LIST */ - sg_list_dwords = sg_entry_cnt << 1; - if (i == 0) { - scsi_sg_q.sg_list_cnt = sg_entry_cnt; - scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt; - } else { - scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1; - scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1; - } - sg_entry_cnt = 0; - } - next_qp = AscReadLramByte(iop_base, - (ushort) (q_addr + ASC_SCSIQ_B_FWD)); - scsi_sg_q.q_no = next_qp; - q_addr = ASC_QNO_TO_QADDR(next_qp); - AscMemWordCopyPtrToLram(iop_base, - q_addr + ASC_SCSIQ_SGHD_CPY_BEG, - (uchar *) &scsi_sg_q, - sizeof(ASC_SG_LIST_Q) >> 1); - AscMemDWordCopyPtrToLram(iop_base, - q_addr + ASC_SGQ_LIST_BEG, - (uchar *) &sg_head->sg_list[sg_index], - sg_list_dwords); - sg_index += ASC_SG_LIST_PER_Q; - scsiq->next_sg_index = sg_index; - } - } else { - scsiq->q1.cntl &= ~QC_SG_HEAD; - } - sta = AscPutReadyQueue(asc_dvc, scsiq, q_no); - scsiq->q1.data_addr = saved_data_addr; - scsiq->q1.data_cnt = saved_data_cnt; - return (sta); +/* + * advansys_biosparam() + * + * Translate disk drive geometry if the "BIOS greater than 1 GB" + * support is enabled for a drive. + * + * ip (information pointer) is an int array with the following definition: + * ip[0]: heads + * ip[1]: sectors + * ip[2]: cylinders + */ +static int +advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev, + sector_t capacity, int ip[]) +{ + struct asc_board *boardp = shost_priv(sdev->host); + + ASC_DBG(1, "begin\n"); + ASC_STATS(sdev->host, biosparam); + if (ASC_NARROW_BOARD(boardp)) { + if ((boardp->dvc_var.asc_dvc_var.dvc_cntl & + ASC_CNTL_BIOS_GT_1GB) && capacity > 0x200000) { + ip[0] = 255; + ip[1] = 63; + } else { + ip[0] = 64; + ip[1] = 32; + } + } else { + if ((boardp->dvc_var.adv_dvc_var.bios_ctrl & + BIOS_CTRL_EXTENDED_XLAT) && capacity > 0x200000) { + ip[0] = 255; + ip[1] = 63; + } else { + ip[0] = 64; + ip[1] = 32; + } + } + ip[2] = (unsigned long)capacity / (ip[0] * ip[1]); + ASC_DBG(1, "end\n"); + return 0; } -STATIC int -AscSetRunChipSynRegAtID( - PortAddr iop_base, - uchar tid_no, - uchar sdtr_data -) +/* + * First-level interrupt handler. + * + * 'dev_id' is a pointer to the interrupting adapter's Scsi_Host. + */ +static irqreturn_t advansys_interrupt(int irq, void *dev_id) { - int sta = FALSE; + struct Scsi_Host *shost = dev_id; + struct asc_board *boardp = shost_priv(shost); + irqreturn_t result = IRQ_NONE; - if (AscHostReqRiscHalt(iop_base)) { - sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data); - AscStartChip(iop_base); - return (sta); - } - return (sta); -} + ASC_DBG(2, "boardp 0x%p\n", boardp); + spin_lock(shost->host_lock); + if (ASC_NARROW_BOARD(boardp)) { + if (AscIsIntPending(shost->io_port)) { + result = IRQ_HANDLED; + ASC_STATS(shost, interrupt); + ASC_DBG(1, "before AscISR()\n"); + AscISR(&boardp->dvc_var.asc_dvc_var); + } + } else { + ASC_DBG(1, "before AdvISR()\n"); + if (AdvISR(&boardp->dvc_var.adv_dvc_var)) { + result = IRQ_HANDLED; + ASC_STATS(shost, interrupt); + } + } + spin_unlock(shost->host_lock); -STATIC int -AscSetChipSynRegAtID( - PortAddr iop_base, - uchar id, - uchar sdtr_data -) -{ - ASC_SCSI_BIT_ID_TYPE org_id; - int i; - int sta = TRUE; - - AscSetBank(iop_base, 1); - org_id = AscReadChipDvcID(iop_base); - for (i = 0; i <= ASC_MAX_TID; i++) { - if (org_id == (0x01 << i)) - break; - } - org_id = (ASC_SCSI_BIT_ID_TYPE) i; - AscWriteChipDvcID(iop_base, id); - if (AscReadChipDvcID(iop_base) == (0x01 << id)) { - AscSetBank(iop_base, 0); - AscSetChipSyn(iop_base, sdtr_data); - if (AscGetChipSyn(iop_base) != sdtr_data) { - sta = FALSE; - } - } else { - sta = FALSE; - } - AscSetBank(iop_base, 1); - AscWriteChipDvcID(iop_base, org_id); - AscSetBank(iop_base, 0); - return (sta); + ASC_DBG(1, "end\n"); + return result; } -STATIC ushort -AscInitLram( - ASC_DVC_VAR *asc_dvc -) +static int AscHostReqRiscHalt(PortAddr iop_base) { - uchar i; - ushort s_addr; - PortAddr iop_base; - ushort warn_code; - - iop_base = asc_dvc->iop_base; - warn_code = 0; - AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0, - (ushort) (((int) (asc_dvc->max_total_qng + 2 + 1) * 64) >> 1) -); - i = ASC_MIN_ACTIVE_QNO; - s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE; - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_FWD), - (uchar) (i + 1)); - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_BWD), - (uchar) (asc_dvc->max_total_qng)); - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_QNO), - (uchar) i); - i++; - s_addr += ASC_QBLK_SIZE; - for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) { - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_FWD), - (uchar) (i + 1)); - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_BWD), - (uchar) (i - 1)); - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_QNO), - (uchar) i); - } - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_FWD), - (uchar) ASC_QLINK_END); - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_BWD), - (uchar) (asc_dvc->max_total_qng - 1)); - AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_QNO), - (uchar) asc_dvc->max_total_qng); - i++; - s_addr += ASC_QBLK_SIZE; - for (; i <= (uchar) (asc_dvc->max_total_qng + 3); - i++, s_addr += ASC_QBLK_SIZE) { - AscWriteLramByte(iop_base, - (ushort) (s_addr + (ushort) ASC_SCSIQ_B_FWD), i); - AscWriteLramByte(iop_base, - (ushort) (s_addr + (ushort) ASC_SCSIQ_B_BWD), i); - AscWriteLramByte(iop_base, - (ushort) (s_addr + (ushort) ASC_SCSIQ_B_QNO), i); - } - return (warn_code); + int count = 0; + int sta = 0; + uchar saved_stop_code; + + if (AscIsChipHalted(iop_base)) + return (1); + saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B); + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, + ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP); + do { + if (AscIsChipHalted(iop_base)) { + sta = 1; + break; + } + mdelay(100); + } while (count++ < 20); + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code); + return (sta); } -STATIC ushort -AscInitQLinkVar( - ASC_DVC_VAR *asc_dvc -) +static int +AscSetRunChipSynRegAtID(PortAddr iop_base, uchar tid_no, uchar sdtr_data) { - PortAddr iop_base; - int i; - ushort lram_addr; - - iop_base = asc_dvc->iop_base; - AscPutRiscVarFreeQHead(iop_base, 1); - AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng); - AscPutVarFreeQHead(iop_base, 1); - AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng); - AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B, - (uchar) ((int) asc_dvc->max_total_qng + 1)); - AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B, - (uchar) ((int) asc_dvc->max_total_qng + 2)); - AscWriteLramByte(iop_base, (ushort) ASCV_TOTAL_READY_Q_B, - asc_dvc->max_total_qng); - AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0); - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); - AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0); - AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0); - AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0); - AscPutQDoneInProgress(iop_base, 0); - lram_addr = ASC_QADR_BEG; - for (i = 0; i < 32; i++, lram_addr += 2) { - AscWriteLramWord(iop_base, lram_addr, 0); - } - return (0); + int sta = FALSE; + + if (AscHostReqRiscHalt(iop_base)) { + sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data); + AscStartChip(iop_base); + } + return sta; } -STATIC int -AscSetLibErrorCode( - ASC_DVC_VAR *asc_dvc, - ushort err_code -) +static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev) { - if (asc_dvc->err_code == 0) { - asc_dvc->err_code = err_code; - AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W, - err_code); - } - return (err_code); -} + char type = sdev->type; + ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id; + if (!(asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN)) + return; + if (asc_dvc->init_sdtr & tid_bits) + return; -STATIC uchar -AscMsgOutSDTR( - ASC_DVC_VAR *asc_dvc, - uchar sdtr_period, - uchar sdtr_offset -) -{ - EXT_MSG sdtr_buf; - uchar sdtr_period_index; - PortAddr iop_base; - - iop_base = asc_dvc->iop_base; - sdtr_buf.msg_type = MS_EXTEND; - sdtr_buf.msg_len = MS_SDTR_LEN; - sdtr_buf.msg_req = MS_SDTR_CODE; - sdtr_buf.xfer_period = sdtr_period; - sdtr_offset &= ASC_SYN_MAX_OFFSET; - sdtr_buf.req_ack_offset = sdtr_offset; - if ((sdtr_period_index = - AscGetSynPeriodIndex(asc_dvc, sdtr_period)) <= - asc_dvc->max_sdtr_index) { - AscMemWordCopyPtrToLram(iop_base, - ASCV_MSGOUT_BEG, - (uchar *) &sdtr_buf, - sizeof (EXT_MSG) >> 1); - return ((sdtr_period_index << 4) | sdtr_offset); - } else { - - sdtr_buf.req_ack_offset = 0; - AscMemWordCopyPtrToLram(iop_base, - ASCV_MSGOUT_BEG, - (uchar *) &sdtr_buf, - sizeof (EXT_MSG) >> 1); - return (0); - } + if ((type == TYPE_ROM) && (strncmp(sdev->vendor, "HP ", 3) == 0)) + asc_dvc->pci_fix_asyn_xfer_always |= tid_bits; + + asc_dvc->pci_fix_asyn_xfer |= tid_bits; + if ((type == TYPE_PROCESSOR) || (type == TYPE_SCANNER) || + (type == TYPE_ROM) || (type == TYPE_TAPE)) + asc_dvc->pci_fix_asyn_xfer &= ~tid_bits; + + if (asc_dvc->pci_fix_asyn_xfer & tid_bits) + AscSetRunChipSynRegAtID(asc_dvc->iop_base, sdev->id, + ASYN_SDTR_DATA_FIX_PCI_REV_AB); } -STATIC uchar -AscCalSDTRData( - ASC_DVC_VAR *asc_dvc, - uchar sdtr_period, - uchar syn_offset -) +static void +advansys_narrow_slave_configure(struct scsi_device *sdev, ASC_DVC_VAR *asc_dvc) { - uchar byte; - uchar sdtr_period_ix; - - sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period); - if ( - (sdtr_period_ix > asc_dvc->max_sdtr_index) -) { - return (0xFF); - } - byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET); - return (byte); + ASC_SCSI_BIT_ID_TYPE tid_bit = 1 << sdev->id; + ASC_SCSI_BIT_ID_TYPE orig_use_tagged_qng = asc_dvc->use_tagged_qng; + + if (sdev->lun == 0) { + ASC_SCSI_BIT_ID_TYPE orig_init_sdtr = asc_dvc->init_sdtr; + if ((asc_dvc->cfg->sdtr_enable & tid_bit) && sdev->sdtr) { + asc_dvc->init_sdtr |= tid_bit; + } else { + asc_dvc->init_sdtr &= ~tid_bit; + } + + if (orig_init_sdtr != asc_dvc->init_sdtr) + AscAsyncFix(asc_dvc, sdev); + } + + if (sdev->tagged_supported) { + if (asc_dvc->cfg->cmd_qng_enabled & tid_bit) { + if (sdev->lun == 0) { + asc_dvc->cfg->can_tagged_qng |= tid_bit; + asc_dvc->use_tagged_qng |= tid_bit; + } + scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, + asc_dvc->max_dvc_qng[sdev->id]); + } + } else { + if (sdev->lun == 0) { + asc_dvc->cfg->can_tagged_qng &= ~tid_bit; + asc_dvc->use_tagged_qng &= ~tid_bit; + } + scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); + } + + if ((sdev->lun == 0) && + (orig_use_tagged_qng != asc_dvc->use_tagged_qng)) { + AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B, + asc_dvc->cfg->disc_enable); + AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B, + asc_dvc->use_tagged_qng); + AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B, + asc_dvc->cfg->can_tagged_qng); + + asc_dvc->max_dvc_qng[sdev->id] = + asc_dvc->cfg->max_tag_qng[sdev->id]; + AscWriteLramByte(asc_dvc->iop_base, + (ushort)(ASCV_MAX_DVC_QNG_BEG + sdev->id), + asc_dvc->max_dvc_qng[sdev->id]); + } } -STATIC void -AscSetChipSDTR( - PortAddr iop_base, - uchar sdtr_data, - uchar tid_no -) +/* + * Wide Transfers + * + * If the EEPROM enabled WDTR for the device and the device supports wide + * bus (16 bit) transfers, then turn on the device's 'wdtr_able' bit and + * write the new value to the microcode. + */ +static void +advansys_wide_enable_wdtr(AdvPortAddr iop_base, unsigned short tidmask) { - AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data); - AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data); - return; + unsigned short cfg_word; + AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word); + if ((cfg_word & tidmask) != 0) + return; + + cfg_word |= tidmask; + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word); + + /* + * Clear the microcode SDTR and WDTR negotiation done indicators for + * the target to cause it to negotiate with the new setting set above. + * WDTR when accepted causes the target to enter asynchronous mode, so + * SDTR must be negotiated. + */ + AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); + cfg_word &= ~tidmask; + AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); + AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word); + cfg_word &= ~tidmask; + AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word); } -STATIC uchar -AscGetSynPeriodIndex( - ASC_DVC_VAR *asc_dvc, - uchar syn_time -) +/* + * Synchronous Transfers + * + * If the EEPROM enabled SDTR for the device and the device + * supports synchronous transfers, then turn on the device's + * 'sdtr_able' bit. Write the new value to the microcode. + */ +static void +advansys_wide_enable_sdtr(AdvPortAddr iop_base, unsigned short tidmask) { - uchar *period_table; - int max_index; - int min_index; - int i; - - period_table = asc_dvc->sdtr_period_tbl; - max_index = (int) asc_dvc->max_sdtr_index; - min_index = (int)asc_dvc->host_init_sdtr_index; - if ((syn_time <= period_table[max_index])) { - for (i = min_index; i < (max_index - 1); i++) { - if (syn_time <= period_table[i]) { - return ((uchar) i); - } - } - return ((uchar) max_index); - } else { - return ((uchar) (max_index + 1)); - } + unsigned short cfg_word; + AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word); + if ((cfg_word & tidmask) != 0) + return; + + cfg_word |= tidmask; + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word); + + /* + * Clear the microcode "SDTR negotiation" done indicator for the + * target to cause it to negotiate with the new setting set above. + */ + AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); + cfg_word &= ~tidmask; + AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); } -STATIC uchar -AscAllocFreeQueue( - PortAddr iop_base, - uchar free_q_head -) +/* + * PPR (Parallel Protocol Request) Capable + * + * If the device supports DT mode, then it must be PPR capable. + * The PPR message will be used in place of the SDTR and WDTR + * messages to negotiate synchronous speed and offset, transfer + * width, and protocol options. + */ +static void advansys_wide_enable_ppr(ADV_DVC_VAR *adv_dvc, + AdvPortAddr iop_base, unsigned short tidmask) { - ushort q_addr; - uchar next_qp; - uchar q_status; - - q_addr = ASC_QNO_TO_QADDR(free_q_head); - q_status = (uchar) AscReadLramByte(iop_base, - (ushort) (q_addr + ASC_SCSIQ_B_STATUS)); - next_qp = AscReadLramByte(iop_base, - (ushort) (q_addr + ASC_SCSIQ_B_FWD)); - if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END)) { - return (next_qp); - } - return (ASC_QLINK_END); + AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able); + adv_dvc->ppr_able |= tidmask; + AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able); } -STATIC uchar -AscAllocMultipleFreeQueue( - PortAddr iop_base, - uchar free_q_head, - uchar n_free_q -) +static void +advansys_wide_slave_configure(struct scsi_device *sdev, ADV_DVC_VAR *adv_dvc) { - uchar i; + AdvPortAddr iop_base = adv_dvc->iop_base; + unsigned short tidmask = 1 << sdev->id; - for (i = 0; i < n_free_q; i++) { - if ((free_q_head = AscAllocFreeQueue(iop_base, free_q_head)) - == ASC_QLINK_END) { - return (ASC_QLINK_END); - } - } - return (free_q_head); + if (sdev->lun == 0) { + /* + * Handle WDTR, SDTR, and Tag Queuing. If the feature + * is enabled in the EEPROM and the device supports the + * feature, then enable it in the microcode. + */ + + if ((adv_dvc->wdtr_able & tidmask) && sdev->wdtr) + advansys_wide_enable_wdtr(iop_base, tidmask); + if ((adv_dvc->sdtr_able & tidmask) && sdev->sdtr) + advansys_wide_enable_sdtr(iop_base, tidmask); + if (adv_dvc->chip_type == ADV_CHIP_ASC38C1600 && sdev->ppr) + advansys_wide_enable_ppr(adv_dvc, iop_base, tidmask); + + /* + * Tag Queuing is disabled for the BIOS which runs in polled + * mode and would see no benefit from Tag Queuing. Also by + * disabling Tag Queuing in the BIOS devices with Tag Queuing + * bugs will at least work with the BIOS. + */ + if ((adv_dvc->tagqng_able & tidmask) && + sdev->tagged_supported) { + unsigned short cfg_word; + AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word); + cfg_word |= tidmask; + AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, + cfg_word); + AdvWriteByteLram(iop_base, + ASC_MC_NUMBER_OF_MAX_CMD + sdev->id, + adv_dvc->max_dvc_qng); + } + } + + if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported) { + scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, + adv_dvc->max_dvc_qng); + } else { + scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); + } } -STATIC int -AscHostReqRiscHalt( - PortAddr iop_base -) +/* + * Set the number of commands to queue per device for the + * specified host adapter. + */ +static int advansys_slave_configure(struct scsi_device *sdev) { - int count = 0; - int sta = 0; - uchar saved_stop_code; - - if (AscIsChipHalted(iop_base)) - return (1); - saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B); - AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, - ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP -); - do { - if (AscIsChipHalted(iop_base)) { - sta = 1; - break; - } - DvcSleepMilliSecond(100); - } while (count++ < 20); - AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code); - return (sta); + struct asc_board *boardp = shost_priv(sdev->host); + + if (ASC_NARROW_BOARD(boardp)) + advansys_narrow_slave_configure(sdev, + &boardp->dvc_var.asc_dvc_var); + else + advansys_wide_slave_configure(sdev, + &boardp->dvc_var.adv_dvc_var); + + return 0; } -STATIC int -AscStopQueueExe( - PortAddr iop_base -) +static __le32 advansys_get_sense_buffer_dma(struct scsi_cmnd *scp) { - int count = 0; - - if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) { - AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, - ASC_STOP_REQ_RISC_STOP); - do { - if ( - AscReadLramByte(iop_base, ASCV_STOP_CODE_B) & - ASC_STOP_ACK_RISC_STOP) { - return (1); - } - DvcSleepMilliSecond(100); - } while (count++ < 20); - } - return (0); + struct asc_board *board = shost_priv(scp->device->host); + scp->SCp.dma_handle = dma_map_single(board->dev, scp->sense_buffer, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + dma_cache_sync(board->dev, scp->sense_buffer, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + return cpu_to_le32(scp->SCp.dma_handle); } -STATIC void -DvcDelayMicroSecond(ADV_DVC_VAR *asc_dvc, ushort micro_sec) +static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, + struct asc_scsi_q *asc_scsi_q) { - udelay(micro_sec); + struct asc_dvc_var *asc_dvc = &boardp->dvc_var.asc_dvc_var; + int use_sg; + + memset(asc_scsi_q, 0, sizeof(*asc_scsi_q)); + + /* + * Point the ASC_SCSI_Q to the 'struct scsi_cmnd'. + */ + asc_scsi_q->q2.srb_ptr = advansys_ptr_to_srb(asc_dvc, scp); + if (asc_scsi_q->q2.srb_ptr == BAD_SRB) { + scp->result = HOST_BYTE(DID_SOFT_ERROR); + return ASC_ERROR; + } + + /* + * Build the ASC_SCSI_Q request. + */ + asc_scsi_q->cdbptr = &scp->cmnd[0]; + asc_scsi_q->q2.cdb_len = scp->cmd_len; + asc_scsi_q->q1.target_id = ASC_TID_TO_TARGET_ID(scp->device->id); + asc_scsi_q->q1.target_lun = scp->device->lun; + asc_scsi_q->q2.target_ix = + ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun); + asc_scsi_q->q1.sense_addr = advansys_get_sense_buffer_dma(scp); + asc_scsi_q->q1.sense_len = SCSI_SENSE_BUFFERSIZE; + + /* + * If there are any outstanding requests for the current target, + * then every 255th request send an ORDERED request. This heuristic + * tries to retain the benefit of request sorting while preventing + * request starvation. 255 is the max number of tags or pending commands + * a device may have outstanding. + * + * The request count is incremented below for every successfully + * started request. + * + */ + if ((asc_dvc->cur_dvc_qng[scp->device->id] > 0) && + (boardp->reqcnt[scp->device->id] % 255) == 0) { + asc_scsi_q->q2.tag_code = MSG_ORDERED_TAG; + } else { + asc_scsi_q->q2.tag_code = MSG_SIMPLE_TAG; + } + + /* Build ASC_SCSI_Q */ + use_sg = scsi_dma_map(scp); + if (use_sg != 0) { + int sgcnt; + struct scatterlist *slp; + struct asc_sg_head *asc_sg_head; + + if (use_sg > scp->device->host->sg_tablesize) { + scmd_printk(KERN_ERR, scp, "use_sg %d > " + "sg_tablesize %d\n", use_sg, + scp->device->host->sg_tablesize); + scsi_dma_unmap(scp); + scp->result = HOST_BYTE(DID_ERROR); + return ASC_ERROR; + } + + asc_sg_head = kzalloc(sizeof(asc_scsi_q->sg_head) + + use_sg * sizeof(struct asc_sg_list), GFP_ATOMIC); + if (!asc_sg_head) { + scsi_dma_unmap(scp); + scp->result = HOST_BYTE(DID_SOFT_ERROR); + return ASC_ERROR; + } + + asc_scsi_q->q1.cntl |= QC_SG_HEAD; + asc_scsi_q->sg_head = asc_sg_head; + asc_scsi_q->q1.data_cnt = 0; + asc_scsi_q->q1.data_addr = 0; + /* This is a byte value, otherwise it would need to be swapped. */ + asc_sg_head->entry_cnt = asc_scsi_q->q1.sg_queue_cnt = use_sg; + ASC_STATS_ADD(scp->device->host, xfer_elem, + asc_sg_head->entry_cnt); + + /* + * Convert scatter-gather list into ASC_SG_HEAD list. + */ + scsi_for_each_sg(scp, slp, use_sg, sgcnt) { + asc_sg_head->sg_list[sgcnt].addr = + cpu_to_le32(sg_dma_address(slp)); + asc_sg_head->sg_list[sgcnt].bytes = + cpu_to_le32(sg_dma_len(slp)); + ASC_STATS_ADD(scp->device->host, xfer_sect, + DIV_ROUND_UP(sg_dma_len(slp), 512)); + } + } + + ASC_STATS(scp->device->host, xfer_cnt); + + ASC_DBG_PRT_ASC_SCSI_Q(2, asc_scsi_q); + ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len); + + return ASC_NOERROR; } -STATIC void -DvcDelayNanoSecond(ASC_DVC_VAR *asc_dvc, ASC_DCNT nano_sec) +/* + * Build scatter-gather list for Adv Library (Wide Board). + * + * Additional ADV_SG_BLOCK structures will need to be allocated + * if the total number of scatter-gather elements exceeds + * NO_OF_SG_PER_BLOCK (15). The ADV_SG_BLOCK structures are + * assumed to be physically contiguous. + * + * Return: + * ADV_SUCCESS(1) - SG List successfully created + * ADV_ERROR(-1) - SG List creation failed + */ +static int +adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp, struct scsi_cmnd *scp, + int use_sg) { - udelay((nano_sec + 999)/1000); + adv_sgblk_t *sgblkp; + ADV_SCSI_REQ_Q *scsiqp; + struct scatterlist *slp; + int sg_elem_cnt; + ADV_SG_BLOCK *sg_block, *prev_sg_block; + ADV_PADDR sg_block_paddr; + int i; + + scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q); + slp = scsi_sglist(scp); + sg_elem_cnt = use_sg; + prev_sg_block = NULL; + reqp->sgblkp = NULL; + + for (;;) { + /* + * Allocate a 'adv_sgblk_t' structure from the board free + * list. One 'adv_sgblk_t' structure holds NO_OF_SG_PER_BLOCK + * (15) scatter-gather elements. + */ + if ((sgblkp = boardp->adv_sgblkp) == NULL) { + ASC_DBG(1, "no free adv_sgblk_t\n"); + ASC_STATS(scp->device->host, adv_build_nosg); + + /* + * Allocation failed. Free 'adv_sgblk_t' structures + * already allocated for the request. + */ + while ((sgblkp = reqp->sgblkp) != NULL) { + /* Remove 'sgblkp' from the request list. */ + reqp->sgblkp = sgblkp->next_sgblkp; + + /* Add 'sgblkp' to the board free list. */ + sgblkp->next_sgblkp = boardp->adv_sgblkp; + boardp->adv_sgblkp = sgblkp; + } + return ASC_BUSY; + } + + /* Complete 'adv_sgblk_t' board allocation. */ + boardp->adv_sgblkp = sgblkp->next_sgblkp; + sgblkp->next_sgblkp = NULL; + + /* + * Get 8 byte aligned virtual and physical addresses + * for the allocated ADV_SG_BLOCK structure. + */ + sg_block = (ADV_SG_BLOCK *)ADV_8BALIGN(&sgblkp->sg_block); + sg_block_paddr = virt_to_bus(sg_block); + + /* + * Check if this is the first 'adv_sgblk_t' for the + * request. + */ + if (reqp->sgblkp == NULL) { + /* Request's first scatter-gather block. */ + reqp->sgblkp = sgblkp; + + /* + * Set ADV_SCSI_REQ_T ADV_SG_BLOCK virtual and physical + * address pointers. + */ + scsiqp->sg_list_ptr = sg_block; + scsiqp->sg_real_addr = cpu_to_le32(sg_block_paddr); + } else { + /* Request's second or later scatter-gather block. */ + sgblkp->next_sgblkp = reqp->sgblkp; + reqp->sgblkp = sgblkp; + + /* + * Point the previous ADV_SG_BLOCK structure to + * the newly allocated ADV_SG_BLOCK structure. + */ + prev_sg_block->sg_ptr = cpu_to_le32(sg_block_paddr); + } + + for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) { + sg_block->sg_list[i].sg_addr = + cpu_to_le32(sg_dma_address(slp)); + sg_block->sg_list[i].sg_count = + cpu_to_le32(sg_dma_len(slp)); + ASC_STATS_ADD(scp->device->host, xfer_sect, + DIV_ROUND_UP(sg_dma_len(slp), 512)); + + if (--sg_elem_cnt == 0) { /* Last ADV_SG_BLOCK and scatter-gather entry. */ + sg_block->sg_cnt = i + 1; + sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */ + return ADV_SUCCESS; + } + slp++; + } + sg_block->sg_cnt = NO_OF_SG_PER_BLOCK; + prev_sg_block = sg_block; + } } -#ifdef CONFIG_ISA -STATIC ASC_DCNT __init -AscGetEisaProductID( - PortAddr iop_base) +/* + * Build a request structure for the Adv Library (Wide Board). + * + * If an adv_req_t can not be allocated to issue the request, + * then return ASC_BUSY. If an error occurs, then return ASC_ERROR. + * + * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the + * microcode for DMA addresses or math operations are byte swapped + * to little-endian order. + */ +static int +adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, + ADV_SCSI_REQ_Q **adv_scsiqpp) { - PortAddr eisa_iop; - ushort product_id_high, product_id_low; - ASC_DCNT product_id; - - eisa_iop = ASC_GET_EISA_SLOT(iop_base) | ASC_EISA_PID_IOP_MASK; - product_id_low = inpw(eisa_iop); - product_id_high = inpw(eisa_iop + 2); - product_id = ((ASC_DCNT) product_id_high << 16) | - (ASC_DCNT) product_id_low; - return (product_id); + adv_req_t *reqp; + ADV_SCSI_REQ_Q *scsiqp; + int i; + int ret; + int use_sg; + + /* + * Allocate an adv_req_t structure from the board to execute + * the command. + */ + if (boardp->adv_reqp == NULL) { + ASC_DBG(1, "no free adv_req_t\n"); + ASC_STATS(scp->device->host, adv_build_noreq); + return ASC_BUSY; + } else { + reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp->next_reqp; + reqp->next_reqp = NULL; + } + + /* + * Get 32-byte aligned ADV_SCSI_REQ_Q and ADV_SG_BLOCK pointers. + */ + scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q); + + /* + * Initialize the structure. + */ + scsiqp->cntl = scsiqp->scsi_cntl = scsiqp->done_status = 0; + + /* + * Set the ADV_SCSI_REQ_Q 'srb_ptr' to point to the adv_req_t structure. + */ + scsiqp->srb_ptr = ADV_VADDR_TO_U32(reqp); + + /* + * Set the adv_req_t 'cmndp' to point to the struct scsi_cmnd structure. + */ + reqp->cmndp = scp; + + /* + * Build the ADV_SCSI_REQ_Q request. + */ + + /* Set CDB length and copy it to the request structure. */ + scsiqp->cdb_len = scp->cmd_len; + /* Copy first 12 CDB bytes to cdb[]. */ + for (i = 0; i < scp->cmd_len && i < 12; i++) { + scsiqp->cdb[i] = scp->cmnd[i]; + } + /* Copy last 4 CDB bytes, if present, to cdb16[]. */ + for (; i < scp->cmd_len; i++) { + scsiqp->cdb16[i - 12] = scp->cmnd[i]; + } + + scsiqp->target_id = scp->device->id; + scsiqp->target_lun = scp->device->lun; + + scsiqp->sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0])); + scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE; + + /* Build ADV_SCSI_REQ_Q */ + + use_sg = scsi_dma_map(scp); + if (use_sg == 0) { + /* Zero-length transfer */ + reqp->sgblkp = NULL; + scsiqp->data_cnt = 0; + scsiqp->vdata_addr = NULL; + + scsiqp->data_addr = 0; + scsiqp->sg_list_ptr = NULL; + scsiqp->sg_real_addr = 0; + } else { + if (use_sg > ADV_MAX_SG_LIST) { + scmd_printk(KERN_ERR, scp, "use_sg %d > " + "ADV_MAX_SG_LIST %d\n", use_sg, + scp->device->host->sg_tablesize); + scsi_dma_unmap(scp); + scp->result = HOST_BYTE(DID_ERROR); + + /* + * Free the 'adv_req_t' structure by adding it back + * to the board free list. + */ + reqp->next_reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp; + + return ASC_ERROR; + } + + scsiqp->data_cnt = cpu_to_le32(scsi_bufflen(scp)); + + ret = adv_get_sglist(boardp, reqp, scp, use_sg); + if (ret != ADV_SUCCESS) { + /* + * Free the adv_req_t structure by adding it back to + * the board free list. + */ + reqp->next_reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp; + + return ret; + } + + ASC_STATS_ADD(scp->device->host, xfer_elem, use_sg); + } + + ASC_STATS(scp->device->host, xfer_cnt); + + ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp); + ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len); + + *adv_scsiqpp = scsiqp; + + return ASC_NOERROR; } -STATIC PortAddr __init -AscSearchIOPortAddrEISA( - PortAddr iop_base) +static int AscSgListToQueue(int sg_list) { - ASC_DCNT eisa_product_id; - - if (iop_base == 0) { - iop_base = ASC_EISA_MIN_IOP_ADDR; - } else { - if (iop_base == ASC_EISA_MAX_IOP_ADDR) - return (0); - if ((iop_base & 0x0050) == 0x0050) { - iop_base += ASC_EISA_BIG_IOP_GAP; - } else { - iop_base += ASC_EISA_SMALL_IOP_GAP; - } - } - while (iop_base <= ASC_EISA_MAX_IOP_ADDR) { - eisa_product_id = AscGetEisaProductID(iop_base); - if ((eisa_product_id == ASC_EISA_ID_740) || - (eisa_product_id == ASC_EISA_ID_750)) { - if (AscFindSignature(iop_base)) { - inpw(iop_base + 4); - return (iop_base); - } - } - if (iop_base == ASC_EISA_MAX_IOP_ADDR) - return (0); - if ((iop_base & 0x0050) == 0x0050) { - iop_base += ASC_EISA_BIG_IOP_GAP; - } else { - iop_base += ASC_EISA_SMALL_IOP_GAP; - } - } - return (0); + int n_sg_list_qs; + + n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q); + if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0) + n_sg_list_qs++; + return n_sg_list_qs + 1; } -#endif /* CONFIG_ISA */ -STATIC int -AscStartChip( - PortAddr iop_base -) +static uint +AscGetNumOfFreeQueue(ASC_DVC_VAR *asc_dvc, uchar target_ix, uchar n_qs) { - AscSetChipControl(iop_base, 0); - if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) { - return (0); - } - return (1); + uint cur_used_qs; + uint cur_free_qs; + ASC_SCSI_BIT_ID_TYPE target_id; + uchar tid_no; + + target_id = ASC_TIX_TO_TARGET_ID(target_ix); + tid_no = ASC_TIX_TO_TID(target_ix); + if ((asc_dvc->unit_not_ready & target_id) || + (asc_dvc->queue_full_or_busy & target_id)) { + return 0; + } + if (n_qs == 1) { + cur_used_qs = (uint) asc_dvc->cur_total_qng + + (uint) asc_dvc->last_q_shortage + (uint) ASC_MIN_FREE_Q; + } else { + cur_used_qs = (uint) asc_dvc->cur_total_qng + + (uint) ASC_MIN_FREE_Q; + } + if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) { + cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs; + if (asc_dvc->cur_dvc_qng[tid_no] >= + asc_dvc->max_dvc_qng[tid_no]) { + return 0; + } + return cur_free_qs; + } + if (n_qs > 1) { + if ((n_qs > asc_dvc->last_q_shortage) + && (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) { + asc_dvc->last_q_shortage = n_qs; + } + } + return 0; } -STATIC int -AscStopChip( - PortAddr iop_base -) +static uchar AscAllocFreeQueue(PortAddr iop_base, uchar free_q_head) { - uchar cc_val; - - cc_val = AscGetChipControl(iop_base) & (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG)); - AscSetChipControl(iop_base, (uchar) (cc_val | CC_HALT)); - AscSetChipIH(iop_base, INS_HALT); - AscSetChipIH(iop_base, INS_RFLAG_WTM); - if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) { - return (0); - } - return (1); + ushort q_addr; + uchar next_qp; + uchar q_status; + + q_addr = ASC_QNO_TO_QADDR(free_q_head); + q_status = (uchar)AscReadLramByte(iop_base, + (ushort)(q_addr + + ASC_SCSIQ_B_STATUS)); + next_qp = AscReadLramByte(iop_base, (ushort)(q_addr + ASC_SCSIQ_B_FWD)); + if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END)) + return next_qp; + return ASC_QLINK_END; } -STATIC int -AscIsChipHalted( - PortAddr iop_base -) +static uchar +AscAllocMultipleFreeQueue(PortAddr iop_base, uchar free_q_head, uchar n_free_q) { - if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) { - if ((AscGetChipControl(iop_base) & CC_HALT) != 0) { - return (1); - } - } - return (0); + uchar i; + + for (i = 0; i < n_free_q; i++) { + free_q_head = AscAllocFreeQueue(iop_base, free_q_head); + if (free_q_head == ASC_QLINK_END) + break; + } + return free_q_head; } -STATIC void -AscSetChipIH( - PortAddr iop_base, - ushort ins_code -) +/* + * void + * DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words) + * + * Calling/Exit State: + * none + * + * Description: + * Output an ASC_SCSI_Q structure to the chip + */ +static void +DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words) { - AscSetBank(iop_base, 1); - AscWriteChipIH(iop_base, ins_code); - AscSetBank(iop_base, 0); - return; + int i; + + ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words); + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < 2 * words; i += 2) { + if (i == 4 || i == 20) { + continue; + } + outpw(iop_base + IOP_RAM_DATA, + ((ushort)outbuf[i + 1] << 8) | outbuf[i]); + } } -STATIC void -AscAckInterrupt( - PortAddr iop_base -) -{ - uchar host_flag; - uchar risc_flag; - ushort loop; - - loop = 0; - do { - risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B); - if (loop++ > 0x7FFF) { - break; - } - } while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0); - host_flag = AscReadLramByte(iop_base, ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT); - AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, - (uchar) (host_flag | ASC_HOST_FLAG_ACK_INT)); - AscSetChipStatus(iop_base, CIW_INT_ACK); - loop = 0; - while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) { - AscSetChipStatus(iop_base, CIW_INT_ACK); - if (loop++ > 3) { - break; - } - } - AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag); - return; +static int AscPutReadyQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no) +{ + ushort q_addr; + uchar tid_no; + uchar sdtr_data; + uchar syn_period_ix; + uchar syn_offset; + PortAddr iop_base; + + iop_base = asc_dvc->iop_base; + if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) && + ((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) { + tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix); + sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); + syn_period_ix = + (sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1); + syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET; + AscMsgOutSDTR(asc_dvc, + asc_dvc->sdtr_period_tbl[syn_period_ix], + syn_offset); + scsiq->q1.cntl |= QC_MSG_OUT; + } + q_addr = ASC_QNO_TO_QADDR(q_no); + if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) { + scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG; + } + scsiq->q1.status = QS_FREE; + AscMemWordCopyPtrToLram(iop_base, + q_addr + ASC_SCSIQ_CDB_BEG, + (uchar *)scsiq->cdbptr, scsiq->q2.cdb_len >> 1); + + DvcPutScsiQ(iop_base, + q_addr + ASC_SCSIQ_CPY_BEG, + (uchar *)&scsiq->q1.cntl, + ((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1); + AscWriteLramWord(iop_base, + (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS), + (ushort)(((ushort)scsiq->q1. + q_no << 8) | (ushort)QS_READY)); + return 1; +} + +static int +AscPutReadySgListQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no) +{ + int sta; + int i; + ASC_SG_HEAD *sg_head; + ASC_SG_LIST_Q scsi_sg_q; + ASC_DCNT saved_data_addr; + ASC_DCNT saved_data_cnt; + PortAddr iop_base; + ushort sg_list_dwords; + ushort sg_index; + ushort sg_entry_cnt; + ushort q_addr; + uchar next_qp; + + iop_base = asc_dvc->iop_base; + sg_head = scsiq->sg_head; + saved_data_addr = scsiq->q1.data_addr; + saved_data_cnt = scsiq->q1.data_cnt; + scsiq->q1.data_addr = (ASC_PADDR) sg_head->sg_list[0].addr; + scsiq->q1.data_cnt = (ASC_DCNT) sg_head->sg_list[0].bytes; +#if CC_VERY_LONG_SG_LIST + /* + * If sg_head->entry_cnt is greater than ASC_MAX_SG_LIST + * then not all SG elements will fit in the allocated queues. + * The rest of the SG elements will be copied when the RISC + * completes the SG elements that fit and halts. + */ + if (sg_head->entry_cnt > ASC_MAX_SG_LIST) { + /* + * Set sg_entry_cnt to be the number of SG elements that + * will fit in the allocated SG queues. It is minus 1, because + * the first SG element is handled above. ASC_MAX_SG_LIST is + * already inflated by 1 to account for this. For example it + * may be 50 which is 1 + 7 queues * 7 SG elements. + */ + sg_entry_cnt = ASC_MAX_SG_LIST - 1; + + /* + * Keep track of remaining number of SG elements that will + * need to be handled from a_isr.c. + */ + scsiq->remain_sg_entry_cnt = + sg_head->entry_cnt - ASC_MAX_SG_LIST; + } else { +#endif /* CC_VERY_LONG_SG_LIST */ + /* + * Set sg_entry_cnt to be the number of SG elements that + * will fit in the allocated SG queues. It is minus 1, because + * the first SG element is handled above. + */ + sg_entry_cnt = sg_head->entry_cnt - 1; +#if CC_VERY_LONG_SG_LIST + } +#endif /* CC_VERY_LONG_SG_LIST */ + if (sg_entry_cnt != 0) { + scsiq->q1.cntl |= QC_SG_HEAD; + q_addr = ASC_QNO_TO_QADDR(q_no); + sg_index = 1; + scsiq->q1.sg_queue_cnt = sg_head->queue_cnt; + scsi_sg_q.sg_head_qp = q_no; + scsi_sg_q.cntl = QCSG_SG_XFER_LIST; + for (i = 0; i < sg_head->queue_cnt; i++) { + scsi_sg_q.seq_no = i + 1; + if (sg_entry_cnt > ASC_SG_LIST_PER_Q) { + sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2); + sg_entry_cnt -= ASC_SG_LIST_PER_Q; + if (i == 0) { + scsi_sg_q.sg_list_cnt = + ASC_SG_LIST_PER_Q; + scsi_sg_q.sg_cur_list_cnt = + ASC_SG_LIST_PER_Q; + } else { + scsi_sg_q.sg_list_cnt = + ASC_SG_LIST_PER_Q - 1; + scsi_sg_q.sg_cur_list_cnt = + ASC_SG_LIST_PER_Q - 1; + } + } else { +#if CC_VERY_LONG_SG_LIST + /* + * This is the last SG queue in the list of + * allocated SG queues. If there are more + * SG elements than will fit in the allocated + * queues, then set the QCSG_SG_XFER_MORE flag. + */ + if (sg_head->entry_cnt > ASC_MAX_SG_LIST) { + scsi_sg_q.cntl |= QCSG_SG_XFER_MORE; + } else { +#endif /* CC_VERY_LONG_SG_LIST */ + scsi_sg_q.cntl |= QCSG_SG_XFER_END; +#if CC_VERY_LONG_SG_LIST + } +#endif /* CC_VERY_LONG_SG_LIST */ + sg_list_dwords = sg_entry_cnt << 1; + if (i == 0) { + scsi_sg_q.sg_list_cnt = sg_entry_cnt; + scsi_sg_q.sg_cur_list_cnt = + sg_entry_cnt; + } else { + scsi_sg_q.sg_list_cnt = + sg_entry_cnt - 1; + scsi_sg_q.sg_cur_list_cnt = + sg_entry_cnt - 1; + } + sg_entry_cnt = 0; + } + next_qp = AscReadLramByte(iop_base, + (ushort)(q_addr + + ASC_SCSIQ_B_FWD)); + scsi_sg_q.q_no = next_qp; + q_addr = ASC_QNO_TO_QADDR(next_qp); + AscMemWordCopyPtrToLram(iop_base, + q_addr + ASC_SCSIQ_SGHD_CPY_BEG, + (uchar *)&scsi_sg_q, + sizeof(ASC_SG_LIST_Q) >> 1); + AscMemDWordCopyPtrToLram(iop_base, + q_addr + ASC_SGQ_LIST_BEG, + (uchar *)&sg_head-> + sg_list[sg_index], + sg_list_dwords); + sg_index += ASC_SG_LIST_PER_Q; + scsiq->next_sg_index = sg_index; + } + } else { + scsiq->q1.cntl &= ~QC_SG_HEAD; + } + sta = AscPutReadyQueue(asc_dvc, scsiq, q_no); + scsiq->q1.data_addr = saved_data_addr; + scsiq->q1.data_cnt = saved_data_cnt; + return (sta); +} + +static int +AscSendScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar n_q_required) +{ + PortAddr iop_base; + uchar free_q_head; + uchar next_qp; + uchar tid_no; + uchar target_ix; + int sta; + + iop_base = asc_dvc->iop_base; + target_ix = scsiq->q2.target_ix; + tid_no = ASC_TIX_TO_TID(target_ix); + sta = 0; + free_q_head = (uchar)AscGetVarFreeQHead(iop_base); + if (n_q_required > 1) { + next_qp = AscAllocMultipleFreeQueue(iop_base, free_q_head, + (uchar)n_q_required); + if (next_qp != ASC_QLINK_END) { + asc_dvc->last_q_shortage = 0; + scsiq->sg_head->queue_cnt = n_q_required - 1; + scsiq->q1.q_no = free_q_head; + sta = AscPutReadySgListQueue(asc_dvc, scsiq, + free_q_head); + } + } else if (n_q_required == 1) { + next_qp = AscAllocFreeQueue(iop_base, free_q_head); + if (next_qp != ASC_QLINK_END) { + scsiq->q1.q_no = free_q_head; + sta = AscPutReadyQueue(asc_dvc, scsiq, free_q_head); + } + } + if (sta == 1) { + AscPutVarFreeQHead(iop_base, next_qp); + asc_dvc->cur_total_qng += n_q_required; + asc_dvc->cur_dvc_qng[tid_no]++; + } + return sta; } -STATIC void -AscDisableInterrupt( - PortAddr iop_base -) -{ - ushort cfg; +#define ASC_SYN_OFFSET_ONE_DISABLE_LIST 16 +static uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = { + INQUIRY, + REQUEST_SENSE, + READ_CAPACITY, + READ_TOC, + MODE_SELECT, + MODE_SENSE, + MODE_SELECT_10, + MODE_SENSE_10, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF +}; - cfg = AscGetChipCfgLsw(iop_base); - AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON)); - return; +static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq) +{ + PortAddr iop_base; + int sta; + int n_q_required; + int disable_syn_offset_one_fix; + int i; + ASC_PADDR addr; + ushort sg_entry_cnt = 0; + ushort sg_entry_cnt_minus_one = 0; + uchar target_ix; + uchar tid_no; + uchar sdtr_data; + uchar extra_bytes; + uchar scsi_cmd; + uchar disable_cmd; + ASC_SG_HEAD *sg_head; + ASC_DCNT data_cnt; + + iop_base = asc_dvc->iop_base; + sg_head = scsiq->sg_head; + if (asc_dvc->err_code != 0) + return (ERR); + scsiq->q1.q_no = 0; + if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) { + scsiq->q1.extra_bytes = 0; + } + sta = 0; + target_ix = scsiq->q2.target_ix; + tid_no = ASC_TIX_TO_TID(target_ix); + n_q_required = 1; + if (scsiq->cdbptr[0] == REQUEST_SENSE) { + if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) { + asc_dvc->sdtr_done &= ~scsiq->q1.target_id; + sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); + AscMsgOutSDTR(asc_dvc, + asc_dvc-> + sdtr_period_tbl[(sdtr_data >> 4) & + (uchar)(asc_dvc-> + max_sdtr_index - + 1)], + (uchar)(sdtr_data & (uchar) + ASC_SYN_MAX_OFFSET)); + scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT); + } + } + if (asc_dvc->in_critical_cnt != 0) { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY); + return (ERR); + } + asc_dvc->in_critical_cnt++; + if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) { + if ((sg_entry_cnt = sg_head->entry_cnt) == 0) { + asc_dvc->in_critical_cnt--; + return (ERR); + } +#if !CC_VERY_LONG_SG_LIST + if (sg_entry_cnt > ASC_MAX_SG_LIST) { + asc_dvc->in_critical_cnt--; + return (ERR); + } +#endif /* !CC_VERY_LONG_SG_LIST */ + if (sg_entry_cnt == 1) { + scsiq->q1.data_addr = + (ADV_PADDR)sg_head->sg_list[0].addr; + scsiq->q1.data_cnt = + (ADV_DCNT)sg_head->sg_list[0].bytes; + scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE); + } + sg_entry_cnt_minus_one = sg_entry_cnt - 1; + } + scsi_cmd = scsiq->cdbptr[0]; + disable_syn_offset_one_fix = FALSE; + if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) && + !(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) { + if (scsiq->q1.cntl & QC_SG_HEAD) { + data_cnt = 0; + for (i = 0; i < sg_entry_cnt; i++) { + data_cnt += + (ADV_DCNT)le32_to_cpu(sg_head->sg_list[i]. + bytes); + } + } else { + data_cnt = le32_to_cpu(scsiq->q1.data_cnt); + } + if (data_cnt != 0UL) { + if (data_cnt < 512UL) { + disable_syn_offset_one_fix = TRUE; + } else { + for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST; + i++) { + disable_cmd = + _syn_offset_one_disable_cmd[i]; + if (disable_cmd == 0xFF) { + break; + } + if (scsi_cmd == disable_cmd) { + disable_syn_offset_one_fix = + TRUE; + break; + } + } + } + } + } + if (disable_syn_offset_one_fix) { + scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG; + scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX | + ASC_TAG_FLAG_DISABLE_DISCONNECT); + } else { + scsiq->q2.tag_code &= 0x27; + } + if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) { + if (asc_dvc->bug_fix_cntl) { + if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) { + if ((scsi_cmd == READ_6) || + (scsi_cmd == READ_10)) { + addr = + (ADV_PADDR)le32_to_cpu(sg_head-> + sg_list + [sg_entry_cnt_minus_one]. + addr) + + (ADV_DCNT)le32_to_cpu(sg_head-> + sg_list + [sg_entry_cnt_minus_one]. + bytes); + extra_bytes = + (uchar)((ushort)addr & 0x0003); + if ((extra_bytes != 0) + && + ((scsiq->q2. + tag_code & + ASC_TAG_FLAG_EXTRA_BYTES) + == 0)) { + scsiq->q2.tag_code |= + ASC_TAG_FLAG_EXTRA_BYTES; + scsiq->q1.extra_bytes = + extra_bytes; + data_cnt = + le32_to_cpu(sg_head-> + sg_list + [sg_entry_cnt_minus_one]. + bytes); + data_cnt -= + (ASC_DCNT) extra_bytes; + sg_head-> + sg_list + [sg_entry_cnt_minus_one]. + bytes = + cpu_to_le32(data_cnt); + } + } + } + } + sg_head->entry_to_copy = sg_head->entry_cnt; +#if CC_VERY_LONG_SG_LIST + /* + * Set the sg_entry_cnt to the maximum possible. The rest of + * the SG elements will be copied when the RISC completes the + * SG elements that fit and halts. + */ + if (sg_entry_cnt > ASC_MAX_SG_LIST) { + sg_entry_cnt = ASC_MAX_SG_LIST; + } +#endif /* CC_VERY_LONG_SG_LIST */ + n_q_required = AscSgListToQueue(sg_entry_cnt); + if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >= + (uint) n_q_required) + || ((scsiq->q1.cntl & QC_URGENT) != 0)) { + if ((sta = + AscSendScsiQueue(asc_dvc, scsiq, + n_q_required)) == 1) { + asc_dvc->in_critical_cnt--; + return (sta); + } + } + } else { + if (asc_dvc->bug_fix_cntl) { + if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) { + if ((scsi_cmd == READ_6) || + (scsi_cmd == READ_10)) { + addr = + le32_to_cpu(scsiq->q1.data_addr) + + le32_to_cpu(scsiq->q1.data_cnt); + extra_bytes = + (uchar)((ushort)addr & 0x0003); + if ((extra_bytes != 0) + && + ((scsiq->q2. + tag_code & + ASC_TAG_FLAG_EXTRA_BYTES) + == 0)) { + data_cnt = + le32_to_cpu(scsiq->q1. + data_cnt); + if (((ushort)data_cnt & 0x01FF) + == 0) { + scsiq->q2.tag_code |= + ASC_TAG_FLAG_EXTRA_BYTES; + data_cnt -= (ASC_DCNT) + extra_bytes; + scsiq->q1.data_cnt = + cpu_to_le32 + (data_cnt); + scsiq->q1.extra_bytes = + extra_bytes; + } + } + } + } + } + n_q_required = 1; + if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) || + ((scsiq->q1.cntl & QC_URGENT) != 0)) { + if ((sta = AscSendScsiQueue(asc_dvc, scsiq, + n_q_required)) == 1) { + asc_dvc->in_critical_cnt--; + return (sta); + } + } + } + asc_dvc->in_critical_cnt--; + return (sta); } -STATIC void -AscEnableInterrupt( - PortAddr iop_base -) +/* + * AdvExeScsiQueue() - Send a request to the RISC microcode program. + * + * Allocate a carrier structure, point the carrier to the ADV_SCSI_REQ_Q, + * add the carrier to the ICQ (Initiator Command Queue), and tickle the + * RISC to notify it a new command is ready to be executed. + * + * If 'done_status' is not set to QD_DO_RETRY, then 'error_retry' will be + * set to SCSI_MAX_RETRY. + * + * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the microcode + * for DMA addresses or math operations are byte swapped to little-endian + * order. + * + * Return: + * ADV_SUCCESS(1) - The request was successfully queued. + * ADV_BUSY(0) - Resource unavailable; Retry again after pending + * request completes. + * ADV_ERROR(-1) - Invalid ADV_SCSI_REQ_Q request structure + * host IC error. + */ +static int AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq) { - ushort cfg; + AdvPortAddr iop_base; + ADV_PADDR req_paddr; + ADV_CARR_T *new_carrp; - cfg = AscGetChipCfgLsw(iop_base); - AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON); - return; -} + /* + * The ADV_SCSI_REQ_Q 'target_id' field should never exceed ADV_MAX_TID. + */ + if (scsiq->target_id > ADV_MAX_TID) { + scsiq->host_status = QHSTA_M_INVALID_DEVICE; + scsiq->done_status = QD_WITH_ERROR; + return ADV_ERROR; + } + iop_base = asc_dvc->iop_base; + /* + * Allocate a carrier ensuring at least one carrier always + * remains on the freelist and initialize fields. + */ + if ((new_carrp = asc_dvc->carr_freelist) == NULL) { + return ADV_BUSY; + } + asc_dvc->carr_freelist = (ADV_CARR_T *) + ADV_U32_TO_VADDR(le32_to_cpu(new_carrp->next_vpa)); + asc_dvc->carr_pending_cnt++; + + /* + * Set the carrier to be a stopper by setting 'next_vpa' + * to the stopper value. The current stopper will be changed + * below to point to the new stopper. + */ + new_carrp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); + + /* + * Clear the ADV_SCSI_REQ_Q done flag. + */ + scsiq->a_flag &= ~ADV_SCSIQ_DONE; + + req_paddr = virt_to_bus(scsiq); + BUG_ON(req_paddr & 31); + /* Wait for assertion before making little-endian */ + req_paddr = cpu_to_le32(req_paddr); + + /* Save virtual and physical address of ADV_SCSI_REQ_Q and carrier. */ + scsiq->scsiq_ptr = cpu_to_le32(ADV_VADDR_TO_U32(scsiq)); + scsiq->scsiq_rptr = req_paddr; + + scsiq->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->icq_sp)); + /* + * Every ADV_CARR_T.carr_pa is byte swapped to little-endian + * order during initialization. + */ + scsiq->carr_pa = asc_dvc->icq_sp->carr_pa; + + /* + * Use the current stopper to send the ADV_SCSI_REQ_Q command to + * the microcode. The newly allocated stopper will become the new + * stopper. + */ + asc_dvc->icq_sp->areq_vpa = req_paddr; + + /* + * Set the 'next_vpa' pointer for the old stopper to be the + * physical address of the new stopper. The RISC can only + * follow physical addresses. + */ + asc_dvc->icq_sp->next_vpa = new_carrp->carr_pa; + + /* + * Set the host adapter stopper pointer to point to the new carrier. + */ + asc_dvc->icq_sp = new_carrp; + + if (asc_dvc->chip_type == ADV_CHIP_ASC3550 || + asc_dvc->chip_type == ADV_CHIP_ASC38C0800) { + /* + * Tickle the RISC to tell it to read its Command Queue Head pointer. + */ + AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_A); + if (asc_dvc->chip_type == ADV_CHIP_ASC3550) { + /* + * Clear the tickle value. In the ASC-3550 the RISC flag + * command 'clr_tickle_a' does not work unless the host + * value is cleared. + */ + AdvWriteByteRegister(iop_base, IOPB_TICKLE, + ADV_TICKLE_NOP); + } + } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) { + /* + * Notify the RISC a carrier is ready by writing the physical + * address of the new carrier stopper to the COMMA register. + */ + AdvWriteDWordRegister(iop_base, IOPDW_COMMA, + le32_to_cpu(new_carrp->carr_pa)); + } -STATIC void -AscSetBank( - PortAddr iop_base, - uchar bank -) -{ - uchar val; - - val = AscGetChipControl(iop_base) & - (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET | CC_CHIP_RESET)); - if (bank == 1) { - val |= CC_BANK_ONE; - } else if (bank == 2) { - val |= CC_DIAG | CC_BANK_ONE; - } else { - val &= ~CC_BANK_ONE; - } - AscSetChipControl(iop_base, val); - return; + return ADV_SUCCESS; } -STATIC int -AscResetChipAndScsiBus( - ASC_DVC_VAR *asc_dvc -) +/* + * Execute a single 'Scsi_Cmnd'. + */ +static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp) { - PortAddr iop_base; - int i = 10; + int ret, err_code; + struct asc_board *boardp = shost_priv(scp->device->host); - iop_base = asc_dvc->iop_base; - while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) - { - DvcSleepMilliSecond(100); - } - AscStopChip(iop_base); - AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT); - DvcDelayNanoSecond(asc_dvc, 60000); - AscSetChipIH(iop_base, INS_RFLAG_WTM); - AscSetChipIH(iop_base, INS_HALT); - AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT); - AscSetChipControl(iop_base, CC_HALT); - DvcSleepMilliSecond(200); - AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT); - AscSetChipStatus(iop_base, 0); - return (AscIsChipHalted(iop_base)); -} + ASC_DBG(1, "scp 0x%p\n", scp); -STATIC ASC_DCNT __init -AscGetMaxDmaCount( - ushort bus_type) -{ - if (bus_type & ASC_IS_ISA) - return (ASC_MAX_ISA_DMA_COUNT); - else if (bus_type & (ASC_IS_EISA | ASC_IS_VL)) - return (ASC_MAX_VL_DMA_COUNT); - return (ASC_MAX_PCI_DMA_COUNT); -} + if (ASC_NARROW_BOARD(boardp)) { + ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var; + struct asc_scsi_q asc_scsi_q; -#ifdef CONFIG_ISA -STATIC ushort __init -AscGetIsaDmaChannel( - PortAddr iop_base) -{ - ushort channel; - - channel = AscGetChipCfgLsw(iop_base) & 0x0003; - if (channel == 0x03) - return (0); - else if (channel == 0x00) - return (7); - return (channel + 4); -} + /* asc_build_req() can not return ASC_BUSY. */ + ret = asc_build_req(boardp, scp, &asc_scsi_q); + if (ret == ASC_ERROR) { + ASC_STATS(scp->device->host, build_error); + return ASC_ERROR; + } -STATIC ushort __init -AscSetIsaDmaChannel( - PortAddr iop_base, - ushort dma_channel) -{ - ushort cfg_lsw; - uchar value; - - if ((dma_channel >= 5) && (dma_channel <= 7)) { - if (dma_channel == 7) - value = 0x00; - else - value = dma_channel - 4; - cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC; - cfg_lsw |= value; - AscSetChipCfgLsw(iop_base, cfg_lsw); - return (AscGetIsaDmaChannel(iop_base)); - } - return (0); -} + ret = AscExeScsiQueue(asc_dvc, &asc_scsi_q); + kfree(asc_scsi_q.sg_head); + err_code = asc_dvc->err_code; + } else { + ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var; + ADV_SCSI_REQ_Q *adv_scsiqp; + + switch (adv_build_req(boardp, scp, &adv_scsiqp)) { + case ASC_NOERROR: + ASC_DBG(3, "adv_build_req ASC_NOERROR\n"); + break; + case ASC_BUSY: + ASC_DBG(1, "adv_build_req ASC_BUSY\n"); + /* + * The asc_stats fields 'adv_build_noreq' and + * 'adv_build_nosg' count wide board busy conditions. + * They are updated in adv_build_req and + * adv_get_sglist, respectively. + */ + return ASC_BUSY; + case ASC_ERROR: + default: + ASC_DBG(1, "adv_build_req ASC_ERROR\n"); + ASC_STATS(scp->device->host, build_error); + return ASC_ERROR; + } + + ret = AdvExeScsiQueue(adv_dvc, adv_scsiqp); + err_code = adv_dvc->err_code; + } -STATIC uchar __init -AscSetIsaDmaSpeed( - PortAddr iop_base, - uchar speed_value) -{ - speed_value &= 0x07; - AscSetBank(iop_base, 1); - AscWriteChipDmaSpeed(iop_base, speed_value); - AscSetBank(iop_base, 0); - return (AscGetIsaDmaSpeed(iop_base)); + switch (ret) { + case ASC_NOERROR: + ASC_STATS(scp->device->host, exe_noerror); + /* + * Increment monotonically increasing per device + * successful request counter. Wrapping doesn't matter. + */ + boardp->reqcnt[scp->device->id]++; + ASC_DBG(1, "ExeScsiQueue() ASC_NOERROR\n"); + break; + case ASC_BUSY: + ASC_STATS(scp->device->host, exe_busy); + break; + case ASC_ERROR: + scmd_printk(KERN_ERR, scp, "ExeScsiQueue() ASC_ERROR, " + "err_code 0x%x\n", err_code); + ASC_STATS(scp->device->host, exe_error); + scp->result = HOST_BYTE(DID_ERROR); + break; + default: + scmd_printk(KERN_ERR, scp, "ExeScsiQueue() unknown, " + "err_code 0x%x\n", err_code); + ASC_STATS(scp->device->host, exe_unknown); + scp->result = HOST_BYTE(DID_ERROR); + break; + } + + ASC_DBG(1, "end\n"); + return ret; } -STATIC uchar __init -AscGetIsaDmaSpeed( - PortAddr iop_base -) +/* + * advansys_queuecommand() - interrupt-driven I/O entrypoint. + * + * This function always returns 0. Command return status is saved + * in the 'scp' result field. + */ +static int +advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) { - uchar speed_value; + struct Scsi_Host *shost = scp->device->host; + int asc_res, result = 0; - AscSetBank(iop_base, 1); - speed_value = AscReadChipDmaSpeed(iop_base); - speed_value &= 0x07; - AscSetBank(iop_base, 0); - return (speed_value); -} -#endif /* CONFIG_ISA */ + ASC_STATS(shost, queuecommand); + scp->scsi_done = done; -STATIC ushort __init -AscReadPCIConfigWord( - ASC_DVC_VAR *asc_dvc, - ushort pci_config_offset) -{ - uchar lsb, msb; + asc_res = asc_execute_scsi_cmnd(scp); - lsb = DvcReadPCIConfigByte(asc_dvc, pci_config_offset); - msb = DvcReadPCIConfigByte(asc_dvc, pci_config_offset + 1); - return ((ushort) ((msb << 8) | lsb)); + switch (asc_res) { + case ASC_NOERROR: + break; + case ASC_BUSY: + result = SCSI_MLQUEUE_HOST_BUSY; + break; + case ASC_ERROR: + default: + asc_scsi_done(scp); + break; + } + + return result; } -STATIC ushort __init -AscInitGetConfig( - ASC_DVC_VAR *asc_dvc -) +static ushort __devinit AscGetEisaChipCfg(PortAddr iop_base) { - ushort warn_code; - PortAddr iop_base; - ushort PCIDeviceID; - ushort PCIVendorID; - uchar PCIRevisionID; - uchar prevCmdRegBits; - - warn_code = 0; - iop_base = asc_dvc->iop_base; - asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG; - if (asc_dvc->err_code != 0) { - return (UW_ERR); - } - if (asc_dvc->bus_type == ASC_IS_PCI) { - PCIVendorID = AscReadPCIConfigWord(asc_dvc, - AscPCIConfigVendorIDRegister); - - PCIDeviceID = AscReadPCIConfigWord(asc_dvc, - AscPCIConfigDeviceIDRegister); - - PCIRevisionID = DvcReadPCIConfigByte(asc_dvc, - AscPCIConfigRevisionIDRegister); - - if (PCIVendorID != PCI_VENDOR_ID_ASP) { - warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; - } - prevCmdRegBits = DvcReadPCIConfigByte(asc_dvc, - AscPCIConfigCommandRegister); - - if ((prevCmdRegBits & AscPCICmdRegBits_IOMemBusMaster) != - AscPCICmdRegBits_IOMemBusMaster) { - DvcWritePCIConfigByte(asc_dvc, - AscPCIConfigCommandRegister, - (prevCmdRegBits | - AscPCICmdRegBits_IOMemBusMaster)); - - if ((DvcReadPCIConfigByte(asc_dvc, - AscPCIConfigCommandRegister) - & AscPCICmdRegBits_IOMemBusMaster) - != AscPCICmdRegBits_IOMemBusMaster) { - warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; - } - } - if ((PCIDeviceID == PCI_DEVICE_ID_ASP_1200A) || - (PCIDeviceID == PCI_DEVICE_ID_ASP_ABP940)) { - DvcWritePCIConfigByte(asc_dvc, - AscPCIConfigLatencyTimer, 0x00); - if (DvcReadPCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer) - != 0x00) { - warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; - } - } else if (PCIDeviceID == PCI_DEVICE_ID_ASP_ABP940U) { - if (DvcReadPCIConfigByte(asc_dvc, - AscPCIConfigLatencyTimer) < 0x20) { - DvcWritePCIConfigByte(asc_dvc, - AscPCIConfigLatencyTimer, 0x20); - - if (DvcReadPCIConfigByte(asc_dvc, - AscPCIConfigLatencyTimer) < 0x20) { - warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; - } - } - } - } + PortAddr eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) | + (PortAddr) (ASC_EISA_CFG_IOP_MASK); + return inpw(eisa_cfg_iop); +} + +/* + * Return the BIOS address of the adapter at the specified + * I/O port and with the specified bus type. + */ +static unsigned short __devinit +AscGetChipBiosAddress(PortAddr iop_base, unsigned short bus_type) +{ + unsigned short cfg_lsw; + unsigned short bios_addr; + + /* + * The PCI BIOS is re-located by the motherboard BIOS. Because + * of this the driver can not determine where a PCI BIOS is + * loaded and executes. + */ + if (bus_type & ASC_IS_PCI) + return 0; + + if ((bus_type & ASC_IS_EISA) != 0) { + cfg_lsw = AscGetEisaChipCfg(iop_base); + cfg_lsw &= 0x000F; + bios_addr = ASC_BIOS_MIN_ADDR + cfg_lsw * ASC_BIOS_BANK_SIZE; + return bios_addr; + } + + cfg_lsw = AscGetChipCfgLsw(iop_base); - if (AscFindSignature(iop_base)) { - warn_code |= AscInitAscDvcVar(asc_dvc); - warn_code |= AscInitFromEEP(asc_dvc); - asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG; - if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT) { - asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT; - } - } else { - asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; - } - return(warn_code); + /* + * ISA PnP uses the top bit as the 32K BIOS flag + */ + if (bus_type == ASC_IS_ISAPNP) + cfg_lsw &= 0x7FFF; + bios_addr = ASC_BIOS_MIN_ADDR + (cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE; + return bios_addr; } -STATIC ushort __init -AscInitSetConfig( - ASC_DVC_VAR *asc_dvc -) +static uchar __devinit AscSetChipScsiID(PortAddr iop_base, uchar new_host_id) { - ushort warn_code = 0; - - asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG; - if (asc_dvc->err_code != 0) - return (UW_ERR); - if (AscFindSignature(asc_dvc->iop_base)) { - warn_code |= AscInitFromAscDvcVar(asc_dvc); - asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG; - } else { - asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; - } - return (warn_code); + ushort cfg_lsw; + + if (AscGetChipScsiID(iop_base) == new_host_id) { + return (new_host_id); + } + cfg_lsw = AscGetChipCfgLsw(iop_base); + cfg_lsw &= 0xF8FF; + cfg_lsw |= (ushort)((new_host_id & ASC_MAX_TID) << 8); + AscSetChipCfgLsw(iop_base, cfg_lsw); + return (AscGetChipScsiID(iop_base)); } -STATIC ushort __init -AscInitFromAscDvcVar( - ASC_DVC_VAR *asc_dvc -) +static unsigned char __devinit AscGetChipScsiCtrl(PortAddr iop_base) { - PortAddr iop_base; - ushort cfg_msw; - ushort warn_code; - ushort pci_device_id = 0; + unsigned char sc; - iop_base = asc_dvc->iop_base; -#ifdef CONFIG_PCI - if (asc_dvc->cfg->dev) - pci_device_id = to_pci_dev(asc_dvc->cfg->dev)->device; -#endif - warn_code = 0; - cfg_msw = AscGetChipCfgMsw(iop_base); - if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) { - cfg_msw &= (~(ASC_CFG_MSW_CLR_MASK)); - warn_code |= ASC_WARN_CFG_MSW_RECOVER; - AscSetChipCfgMsw(iop_base, cfg_msw); - } - if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) != - asc_dvc->cfg->cmd_qng_enabled) { - asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled; - warn_code |= ASC_WARN_CMD_QNG_CONFLICT; - } - if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) { - warn_code |= ASC_WARN_AUTO_CONFIG; - } - if ((asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL)) != 0) { - if (AscSetChipIRQ(iop_base, asc_dvc->irq_no, asc_dvc->bus_type) - != asc_dvc->irq_no) { - asc_dvc->err_code |= ASC_IERR_SET_IRQ_NO; - } - } - if (asc_dvc->bus_type & ASC_IS_PCI) { - cfg_msw &= 0xFFC0; - AscSetChipCfgMsw(iop_base, cfg_msw); - if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) { - } else { - if ((pci_device_id == PCI_DEVICE_ID_ASP_1200A) || - (pci_device_id == PCI_DEVICE_ID_ASP_ABP940)) { - asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB; - asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN; - } - } - } else if (asc_dvc->bus_type == ASC_IS_ISAPNP) { - if (AscGetChipVersion(iop_base, asc_dvc->bus_type) - == ASC_CHIP_VER_ASYN_BUG) { - asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN; - } - } - if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) != - asc_dvc->cfg->chip_scsi_id) { - asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID; - } -#ifdef CONFIG_ISA - if (asc_dvc->bus_type & ASC_IS_ISA) { - AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel); - AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed); - } -#endif /* CONFIG_ISA */ - return (warn_code); + AscSetBank(iop_base, 1); + sc = inp(iop_base + IOP_REG_SC); + AscSetBank(iop_base, 0); + return sc; } -STATIC ushort -AscInitAsc1000Driver( - ASC_DVC_VAR *asc_dvc -) +static unsigned char __devinit +AscGetChipVersion(PortAddr iop_base, unsigned short bus_type) { - ushort warn_code; - PortAddr iop_base; - - iop_base = asc_dvc->iop_base; - warn_code = 0; - if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) && - !(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) { - AscResetChipAndScsiBus(asc_dvc); - DvcSleepMilliSecond((ASC_DCNT) - ((ushort) asc_dvc->scsi_reset_wait * 1000)); - } - asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC; - if (asc_dvc->err_code != 0) - return (UW_ERR); - if (!AscFindSignature(asc_dvc->iop_base)) { - asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; - return (warn_code); - } - AscDisableInterrupt(iop_base); - warn_code |= AscInitLram(asc_dvc); - if (asc_dvc->err_code != 0) - return (UW_ERR); - ASC_DBG1(1, "AscInitAsc1000Driver: _asc_mcode_chksum 0x%lx\n", - (ulong) _asc_mcode_chksum); - if (AscLoadMicroCode(iop_base, 0, _asc_mcode_buf, - _asc_mcode_size) != _asc_mcode_chksum) { - asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM; - return (warn_code); - } - warn_code |= AscInitMicroCodeVar(asc_dvc); - asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC; - AscEnableInterrupt(iop_base); - return (warn_code); + if (bus_type & ASC_IS_EISA) { + PortAddr eisa_iop; + unsigned char revision; + eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) | + (PortAddr) ASC_EISA_REV_IOP_MASK; + revision = inp(eisa_iop); + return ASC_CHIP_MIN_VER_EISA - 1 + revision; + } + return AscGetChipVerNo(iop_base); } -STATIC ushort __init -AscInitAscDvcVar( - ASC_DVC_VAR *asc_dvc) -{ - int i; - PortAddr iop_base; - ushort warn_code; - uchar chip_version; - - iop_base = asc_dvc->iop_base; - warn_code = 0; - asc_dvc->err_code = 0; - if ((asc_dvc->bus_type & - (ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) { - asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE; - } - AscSetChipControl(iop_base, CC_HALT); - AscSetChipStatus(iop_base, 0); - asc_dvc->bug_fix_cntl = 0; - asc_dvc->pci_fix_asyn_xfer = 0; - asc_dvc->pci_fix_asyn_xfer_always = 0; - /* asc_dvc->init_state initalized in AscInitGetConfig(). */ - asc_dvc->sdtr_done = 0; - asc_dvc->cur_total_qng = 0; - asc_dvc->is_in_int = 0; - asc_dvc->in_critical_cnt = 0; - asc_dvc->last_q_shortage = 0; - asc_dvc->use_tagged_qng = 0; - asc_dvc->no_scam = 0; - asc_dvc->unit_not_ready = 0; - asc_dvc->queue_full_or_busy = 0; - asc_dvc->redo_scam = 0; - asc_dvc->res2 = 0; - asc_dvc->host_init_sdtr_index = 0; - asc_dvc->cfg->can_tagged_qng = 0; - asc_dvc->cfg->cmd_qng_enabled = 0; - asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL; - asc_dvc->init_sdtr = 0; - asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG; - asc_dvc->scsi_reset_wait = 3; - asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET; - asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type); - asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET; - asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET; - asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID; - asc_dvc->cfg->lib_serial_no = ASC_LIB_SERIAL_NUMBER; - asc_dvc->cfg->lib_version = (ASC_LIB_VERSION_MAJOR << 8) | - ASC_LIB_VERSION_MINOR; - chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type); - asc_dvc->cfg->chip_version = chip_version; - asc_dvc->sdtr_period_tbl[0] = SYN_XFER_NS_0; - asc_dvc->sdtr_period_tbl[1] = SYN_XFER_NS_1; - asc_dvc->sdtr_period_tbl[2] = SYN_XFER_NS_2; - asc_dvc->sdtr_period_tbl[3] = SYN_XFER_NS_3; - asc_dvc->sdtr_period_tbl[4] = SYN_XFER_NS_4; - asc_dvc->sdtr_period_tbl[5] = SYN_XFER_NS_5; - asc_dvc->sdtr_period_tbl[6] = SYN_XFER_NS_6; - asc_dvc->sdtr_period_tbl[7] = SYN_XFER_NS_7; - asc_dvc->max_sdtr_index = 7; - if ((asc_dvc->bus_type & ASC_IS_PCI) && - (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) { - asc_dvc->bus_type = ASC_IS_PCI_ULTRA; - asc_dvc->sdtr_period_tbl[0] = SYN_ULTRA_XFER_NS_0; - asc_dvc->sdtr_period_tbl[1] = SYN_ULTRA_XFER_NS_1; - asc_dvc->sdtr_period_tbl[2] = SYN_ULTRA_XFER_NS_2; - asc_dvc->sdtr_period_tbl[3] = SYN_ULTRA_XFER_NS_3; - asc_dvc->sdtr_period_tbl[4] = SYN_ULTRA_XFER_NS_4; - asc_dvc->sdtr_period_tbl[5] = SYN_ULTRA_XFER_NS_5; - asc_dvc->sdtr_period_tbl[6] = SYN_ULTRA_XFER_NS_6; - asc_dvc->sdtr_period_tbl[7] = SYN_ULTRA_XFER_NS_7; - asc_dvc->sdtr_period_tbl[8] = SYN_ULTRA_XFER_NS_8; - asc_dvc->sdtr_period_tbl[9] = SYN_ULTRA_XFER_NS_9; - asc_dvc->sdtr_period_tbl[10] = SYN_ULTRA_XFER_NS_10; - asc_dvc->sdtr_period_tbl[11] = SYN_ULTRA_XFER_NS_11; - asc_dvc->sdtr_period_tbl[12] = SYN_ULTRA_XFER_NS_12; - asc_dvc->sdtr_period_tbl[13] = SYN_ULTRA_XFER_NS_13; - asc_dvc->sdtr_period_tbl[14] = SYN_ULTRA_XFER_NS_14; - asc_dvc->sdtr_period_tbl[15] = SYN_ULTRA_XFER_NS_15; - asc_dvc->max_sdtr_index = 15; - if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) - { - AscSetExtraControl(iop_base, - (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE)); - } else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) { - AscSetExtraControl(iop_base, - (SEC_ACTIVE_NEGATE | SEC_ENABLE_FILTER)); - } - } - if (asc_dvc->bus_type == ASC_IS_PCI) { - AscSetExtraControl(iop_base, (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE)); - } - - asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED; - if (AscGetChipBusType(iop_base) == ASC_IS_ISAPNP) { - AscSetChipIFC(iop_base, IFC_INIT_DEFAULT); - asc_dvc->bus_type = ASC_IS_ISAPNP; - } #ifdef CONFIG_ISA - if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) { - asc_dvc->cfg->isa_dma_channel = (uchar) AscGetIsaDmaChannel(iop_base); - } -#endif /* CONFIG_ISA */ - for (i = 0; i <= ASC_MAX_TID; i++) { - asc_dvc->cur_dvc_qng[i] = 0; - asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG; - asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *) 0L; - asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *) 0L; - asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG; - } - return (warn_code); +static void __devinit AscEnableIsaDma(uchar dma_channel) +{ + if (dma_channel < 4) { + outp(0x000B, (ushort)(0xC0 | dma_channel)); + outp(0x000A, dma_channel); + } else if (dma_channel < 8) { + outp(0x00D6, (ushort)(0xC0 | (dma_channel - 4))); + outp(0x00D4, (ushort)(dma_channel - 4)); + } } +#endif /* CONFIG_ISA */ -STATIC ushort __init -AscInitFromEEP(ASC_DVC_VAR *asc_dvc) +static int AscStopQueueExe(PortAddr iop_base) { - ASCEEP_CONFIG eep_config_buf; - ASCEEP_CONFIG *eep_config; - PortAddr iop_base; - ushort chksum; - ushort warn_code; - ushort cfg_msw, cfg_lsw; - int i; - int write_eep = 0; - - iop_base = asc_dvc->iop_base; - warn_code = 0; - AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE); - AscStopQueueExe(iop_base); - if ((AscStopChip(iop_base) == FALSE) || - (AscGetChipScsiCtrl(iop_base) != 0)) { - asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE; - AscResetChipAndScsiBus(asc_dvc); - DvcSleepMilliSecond((ASC_DCNT) - ((ushort) asc_dvc->scsi_reset_wait * 1000)); - } - if (AscIsChipHalted(iop_base) == FALSE) { - asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP; - return (warn_code); - } - AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR); - if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) { - asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR; - return (warn_code); - } - eep_config = (ASCEEP_CONFIG *) &eep_config_buf; - cfg_msw = AscGetChipCfgMsw(iop_base); - cfg_lsw = AscGetChipCfgLsw(iop_base); - if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) { - cfg_msw &= (~(ASC_CFG_MSW_CLR_MASK)); - warn_code |= ASC_WARN_CFG_MSW_RECOVER; - AscSetChipCfgMsw(iop_base, cfg_msw); - } - chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type); - ASC_DBG1(1, "AscInitFromEEP: chksum 0x%x\n", chksum); - if (chksum == 0) { - chksum = 0xaa55; - } - if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) { - warn_code |= ASC_WARN_AUTO_CONFIG; - if (asc_dvc->cfg->chip_version == 3) { - if (eep_config->cfg_lsw != cfg_lsw) { - warn_code |= ASC_WARN_EEPROM_RECOVER; - eep_config->cfg_lsw = AscGetChipCfgLsw(iop_base); - } - if (eep_config->cfg_msw != cfg_msw) { - warn_code |= ASC_WARN_EEPROM_RECOVER; - eep_config->cfg_msw = AscGetChipCfgMsw(iop_base); - } - } - } - eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK; - eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON; - ASC_DBG1(1, "AscInitFromEEP: eep_config->chksum 0x%x\n", - eep_config->chksum); - if (chksum != eep_config->chksum) { - if (AscGetChipVersion(iop_base, asc_dvc->bus_type) == - ASC_CHIP_VER_PCI_ULTRA_3050 ) - { - ASC_DBG(1, -"AscInitFromEEP: chksum error ignored; EEPROM-less board\n"); - eep_config->init_sdtr = 0xFF; - eep_config->disc_enable = 0xFF; - eep_config->start_motor = 0xFF; - eep_config->use_cmd_qng = 0; - eep_config->max_total_qng = 0xF0; - eep_config->max_tag_qng = 0x20; - eep_config->cntl = 0xBFFF; - ASC_EEP_SET_CHIP_ID(eep_config, 7); - eep_config->no_scam = 0; - eep_config->adapter_info[0] = 0; - eep_config->adapter_info[1] = 0; - eep_config->adapter_info[2] = 0; - eep_config->adapter_info[3] = 0; - eep_config->adapter_info[4] = 0; - /* Indicate EEPROM-less board. */ - eep_config->adapter_info[5] = 0xBB; - } else { - ASC_PRINT( -"AscInitFromEEP: EEPROM checksum error; Will try to re-write EEPROM.\n"); - write_eep = 1; - warn_code |= ASC_WARN_EEPROM_CHKSUM; - } - } - asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr; - asc_dvc->cfg->disc_enable = eep_config->disc_enable; - asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng; - asc_dvc->cfg->isa_dma_speed = ASC_EEP_GET_DMA_SPD(eep_config); - asc_dvc->start_motor = eep_config->start_motor; - asc_dvc->dvc_cntl = eep_config->cntl; - asc_dvc->no_scam = eep_config->no_scam; - asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0]; - asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1]; - asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2]; - asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3]; - asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4]; - asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5]; - if (!AscTestExternalLram(asc_dvc)) { - if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA)) { - eep_config->max_total_qng = ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG; - eep_config->max_tag_qng = ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG; - } else { - eep_config->cfg_msw |= 0x0800; - cfg_msw |= 0x0800; - AscSetChipCfgMsw(iop_base, cfg_msw); - eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG; - eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG; - } - } else { - } - if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) { - eep_config->max_total_qng = ASC_MIN_TOTAL_QNG; - } - if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) { - eep_config->max_total_qng = ASC_MAX_TOTAL_QNG; - } - if (eep_config->max_tag_qng > eep_config->max_total_qng) { - eep_config->max_tag_qng = eep_config->max_total_qng; - } - if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) { - eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC; - } - asc_dvc->max_total_qng = eep_config->max_total_qng; - if ((eep_config->use_cmd_qng & eep_config->disc_enable) != - eep_config->use_cmd_qng) { - eep_config->disc_enable = eep_config->use_cmd_qng; - warn_code |= ASC_WARN_CMD_QNG_CONFLICT; - } - if (asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL | ASC_IS_EISA)) { - asc_dvc->irq_no = AscGetChipIRQ(iop_base, asc_dvc->bus_type); - } - ASC_EEP_SET_CHIP_ID(eep_config, ASC_EEP_GET_CHIP_ID(eep_config) & ASC_MAX_TID); - asc_dvc->cfg->chip_scsi_id = ASC_EEP_GET_CHIP_ID(eep_config); - if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) && - !(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) { - asc_dvc->host_init_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX; - } + int count = 0; - for (i = 0; i <= ASC_MAX_TID; i++) { - asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i]; - asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng; - asc_dvc->cfg->sdtr_period_offset[i] = - (uchar) (ASC_DEF_SDTR_OFFSET | - (asc_dvc->host_init_sdtr_index << 4)); - } - eep_config->cfg_msw = AscGetChipCfgMsw(iop_base); - if (write_eep) { - if ((i = AscSetEEPConfig(iop_base, eep_config, asc_dvc->bus_type)) != - 0) { - ASC_PRINT1( -"AscInitFromEEP: Failed to re-write EEPROM with %d errors.\n", i); - } else { - ASC_PRINT("AscInitFromEEP: Successfully re-wrote EEPROM.\n"); - } - } - return (warn_code); + if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) { + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, + ASC_STOP_REQ_RISC_STOP); + do { + if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) & + ASC_STOP_ACK_RISC_STOP) { + return (1); + } + mdelay(100); + } while (count++ < 20); + } + return (0); } -STATIC ushort -AscInitMicroCodeVar( - ASC_DVC_VAR *asc_dvc -) +static ASC_DCNT __devinit AscGetMaxDmaCount(ushort bus_type) { - int i; - ushort warn_code; - PortAddr iop_base; - ASC_PADDR phy_addr; - ASC_DCNT phy_size; - - iop_base = asc_dvc->iop_base; - warn_code = 0; - for (i = 0; i <= ASC_MAX_TID; i++) { - AscPutMCodeInitSDTRAtID(iop_base, i, - asc_dvc->cfg->sdtr_period_offset[i] -); - } - - AscInitQLinkVar(asc_dvc); - AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B, - asc_dvc->cfg->disc_enable); - AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B, - ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id)); - - /* Align overrun buffer on an 8 byte boundary. */ - phy_addr = virt_to_bus(asc_dvc->cfg->overrun_buf); - phy_addr = cpu_to_le32((phy_addr + 7) & ~0x7); - AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D, - (uchar *) &phy_addr, 1); - phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE - 8); - AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D, - (uchar *) &phy_size, 1); - - asc_dvc->cfg->mcode_date = - AscReadLramWord(iop_base, (ushort) ASCV_MC_DATE_W); - asc_dvc->cfg->mcode_version = - AscReadLramWord(iop_base, (ushort) ASCV_MC_VER_W); - - AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR); - if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) { - asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR; - return (warn_code); - } - if (AscStartChip(iop_base) != 1) { - asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP; - return (warn_code); - } - - return (warn_code); + if (bus_type & ASC_IS_ISA) + return ASC_MAX_ISA_DMA_COUNT; + else if (bus_type & (ASC_IS_EISA | ASC_IS_VL)) + return ASC_MAX_VL_DMA_COUNT; + return ASC_MAX_PCI_DMA_COUNT; } -STATIC int __init -AscTestExternalLram( - ASC_DVC_VAR *asc_dvc) +#ifdef CONFIG_ISA +static ushort __devinit AscGetIsaDmaChannel(PortAddr iop_base) { - PortAddr iop_base; - ushort q_addr; - ushort saved_word; - int sta; - - iop_base = asc_dvc->iop_base; - sta = 0; - q_addr = ASC_QNO_TO_QADDR(241); - saved_word = AscReadLramWord(iop_base, q_addr); - AscSetChipLramAddr(iop_base, q_addr); - AscSetChipLramData(iop_base, 0x55AA); - DvcSleepMilliSecond(10); - AscSetChipLramAddr(iop_base, q_addr); - if (AscGetChipLramData(iop_base) == 0x55AA) { - sta = 1; - AscWriteLramWord(iop_base, q_addr, saved_word); - } - return (sta); -} + ushort channel; -STATIC int __init -AscWriteEEPCmdReg( - PortAddr iop_base, - uchar cmd_reg -) -{ - uchar read_back; - int retry; - - retry = 0; - while (TRUE) { - AscSetChipEEPCmd(iop_base, cmd_reg); - DvcSleepMilliSecond(1); - read_back = AscGetChipEEPCmd(iop_base); - if (read_back == cmd_reg) { - return (1); - } - if (retry++ > ASC_EEP_MAX_RETRY) { - return (0); - } - } + channel = AscGetChipCfgLsw(iop_base) & 0x0003; + if (channel == 0x03) + return (0); + else if (channel == 0x00) + return (7); + return (channel + 4); } -STATIC int __init -AscWriteEEPDataReg( - PortAddr iop_base, - ushort data_reg -) +static ushort __devinit AscSetIsaDmaChannel(PortAddr iop_base, ushort dma_channel) { - ushort read_back; - int retry; - - retry = 0; - while (TRUE) { - AscSetChipEEPData(iop_base, data_reg); - DvcSleepMilliSecond(1); - read_back = AscGetChipEEPData(iop_base); - if (read_back == data_reg) { - return (1); - } - if (retry++ > ASC_EEP_MAX_RETRY) { - return (0); - } - } -} + ushort cfg_lsw; + uchar value; -STATIC void __init -AscWaitEEPRead(void) -{ - DvcSleepMilliSecond(1); - return; + if ((dma_channel >= 5) && (dma_channel <= 7)) { + if (dma_channel == 7) + value = 0x00; + else + value = dma_channel - 4; + cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC; + cfg_lsw |= value; + AscSetChipCfgLsw(iop_base, cfg_lsw); + return (AscGetIsaDmaChannel(iop_base)); + } + return 0; } -STATIC void __init -AscWaitEEPWrite(void) +static uchar __devinit AscGetIsaDmaSpeed(PortAddr iop_base) { - DvcSleepMilliSecond(20); - return; -} + uchar speed_value; -STATIC ushort __init -AscReadEEPWord( - PortAddr iop_base, - uchar addr) -{ - ushort read_wval; - uchar cmd_reg; - - AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE); - AscWaitEEPRead(); - cmd_reg = addr | ASC_EEP_CMD_READ; - AscWriteEEPCmdReg(iop_base, cmd_reg); - AscWaitEEPRead(); - read_wval = AscGetChipEEPData(iop_base); - AscWaitEEPRead(); - return (read_wval); + AscSetBank(iop_base, 1); + speed_value = AscReadChipDmaSpeed(iop_base); + speed_value &= 0x07; + AscSetBank(iop_base, 0); + return speed_value; } -STATIC ushort __init -AscWriteEEPWord( - PortAddr iop_base, - uchar addr, - ushort word_val) +static uchar __devinit AscSetIsaDmaSpeed(PortAddr iop_base, uchar speed_value) { - ushort read_wval; - - read_wval = AscReadEEPWord(iop_base, addr); - if (read_wval != word_val) { - AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE); - AscWaitEEPRead(); - AscWriteEEPDataReg(iop_base, word_val); - AscWaitEEPRead(); - AscWriteEEPCmdReg(iop_base, - (uchar) ((uchar) ASC_EEP_CMD_WRITE | addr)); - AscWaitEEPWrite(); - AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE); - AscWaitEEPRead(); - return (AscReadEEPWord(iop_base, addr)); - } - return (read_wval); + speed_value &= 0x07; + AscSetBank(iop_base, 1); + AscWriteChipDmaSpeed(iop_base, speed_value); + AscSetBank(iop_base, 0); + return AscGetIsaDmaSpeed(iop_base); } +#endif /* CONFIG_ISA */ -STATIC ushort __init -AscGetEEPConfig( - PortAddr iop_base, - ASCEEP_CONFIG * cfg_buf, ushort bus_type) +static ushort __devinit AscInitAscDvcVar(ASC_DVC_VAR *asc_dvc) { - ushort wval; - ushort sum; - ushort *wbuf; - int cfg_beg; - int cfg_end; - int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2; - int s_addr; - - wbuf = (ushort *) cfg_buf; - sum = 0; - /* Read two config words; Byte-swapping done by AscReadEEPWord(). */ - for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { - *wbuf = AscReadEEPWord(iop_base, (uchar) s_addr); - sum += *wbuf; - } - if (bus_type & ASC_IS_VL) { - cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; - cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; - } else { - cfg_beg = ASC_EEP_DVC_CFG_BEG; - cfg_end = ASC_EEP_MAX_DVC_ADDR; - } - for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { - wval = AscReadEEPWord( iop_base, ( uchar )s_addr ) ; - if (s_addr <= uchar_end_in_config) { - /* - * Swap all char fields - must unswap bytes already swapped - * by AscReadEEPWord(). - */ - *wbuf = le16_to_cpu(wval); - } else { - /* Don't swap word field at the end - cntl field. */ - *wbuf = wval; - } - sum += wval; /* Checksum treats all EEPROM data as words. */ - } - /* - * Read the checksum word which will be compared against 'sum' - * by the caller. Word field already swapped. - */ - *wbuf = AscReadEEPWord(iop_base, (uchar) s_addr); - return (sum); + int i; + PortAddr iop_base; + ushort warn_code; + uchar chip_version; + + iop_base = asc_dvc->iop_base; + warn_code = 0; + asc_dvc->err_code = 0; + if ((asc_dvc->bus_type & + (ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) { + asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE; + } + AscSetChipControl(iop_base, CC_HALT); + AscSetChipStatus(iop_base, 0); + asc_dvc->bug_fix_cntl = 0; + asc_dvc->pci_fix_asyn_xfer = 0; + asc_dvc->pci_fix_asyn_xfer_always = 0; + /* asc_dvc->init_state initalized in AscInitGetConfig(). */ + asc_dvc->sdtr_done = 0; + asc_dvc->cur_total_qng = 0; + asc_dvc->is_in_int = 0; + asc_dvc->in_critical_cnt = 0; + asc_dvc->last_q_shortage = 0; + asc_dvc->use_tagged_qng = 0; + asc_dvc->no_scam = 0; + asc_dvc->unit_not_ready = 0; + asc_dvc->queue_full_or_busy = 0; + asc_dvc->redo_scam = 0; + asc_dvc->res2 = 0; + asc_dvc->min_sdtr_index = 0; + asc_dvc->cfg->can_tagged_qng = 0; + asc_dvc->cfg->cmd_qng_enabled = 0; + asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL; + asc_dvc->init_sdtr = 0; + asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG; + asc_dvc->scsi_reset_wait = 3; + asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET; + asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type); + asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET; + asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET; + asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID; + chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type); + asc_dvc->cfg->chip_version = chip_version; + asc_dvc->sdtr_period_tbl = asc_syn_xfer_period; + asc_dvc->max_sdtr_index = 7; + if ((asc_dvc->bus_type & ASC_IS_PCI) && + (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) { + asc_dvc->bus_type = ASC_IS_PCI_ULTRA; + asc_dvc->sdtr_period_tbl = asc_syn_ultra_xfer_period; + asc_dvc->max_sdtr_index = 15; + if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) { + AscSetExtraControl(iop_base, + (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE)); + } else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) { + AscSetExtraControl(iop_base, + (SEC_ACTIVE_NEGATE | + SEC_ENABLE_FILTER)); + } + } + if (asc_dvc->bus_type == ASC_IS_PCI) { + AscSetExtraControl(iop_base, + (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE)); + } + + asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED; +#ifdef CONFIG_ISA + if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) { + if (chip_version >= ASC_CHIP_MIN_VER_ISA_PNP) { + AscSetChipIFC(iop_base, IFC_INIT_DEFAULT); + asc_dvc->bus_type = ASC_IS_ISAPNP; + } + asc_dvc->cfg->isa_dma_channel = + (uchar)AscGetIsaDmaChannel(iop_base); + } +#endif /* CONFIG_ISA */ + for (i = 0; i <= ASC_MAX_TID; i++) { + asc_dvc->cur_dvc_qng[i] = 0; + asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG; + asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *)0L; + asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *)0L; + asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG; + } + return warn_code; } -STATIC int __init -AscSetEEPConfigOnce( - PortAddr iop_base, - ASCEEP_CONFIG * cfg_buf, ushort bus_type) +static int __devinit AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg) { - int n_error; - ushort *wbuf; - ushort word; - ushort sum; - int s_addr; - int cfg_beg; - int cfg_end; - int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2; - - - wbuf = (ushort *) cfg_buf; - n_error = 0; - sum = 0; - /* Write two config words; AscWriteEEPWord() will swap bytes. */ - for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { - sum += *wbuf; - if (*wbuf != AscWriteEEPWord(iop_base, (uchar) s_addr, *wbuf)) { - n_error++; - } - } - if (bus_type & ASC_IS_VL) { - cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; - cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; - } else { - cfg_beg = ASC_EEP_DVC_CFG_BEG; - cfg_end = ASC_EEP_MAX_DVC_ADDR; - } - for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { - if (s_addr <= uchar_end_in_config) { - /* - * This is a char field. Swap char fields before they are - * swapped again by AscWriteEEPWord(). - */ - word = cpu_to_le16(*wbuf); - if (word != AscWriteEEPWord( iop_base, (uchar) s_addr, word)) { - n_error++; - } - } else { - /* Don't swap word field at the end - cntl field. */ - if (*wbuf != AscWriteEEPWord(iop_base, (uchar) s_addr, *wbuf)) { - n_error++; - } - } - sum += *wbuf; /* Checksum calculated from word values. */ - } - /* Write checksum word. It will be swapped by AscWriteEEPWord(). */ - *wbuf = sum; - if (sum != AscWriteEEPWord(iop_base, (uchar) s_addr, sum)) { - n_error++; - } + int retry; - /* Read EEPROM back again. */ - wbuf = (ushort *) cfg_buf; - /* - * Read two config words; Byte-swapping done by AscReadEEPWord(). - */ - for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { - if (*wbuf != AscReadEEPWord(iop_base, (uchar) s_addr)) { - n_error++; - } - } - if (bus_type & ASC_IS_VL) { - cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; - cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; - } else { - cfg_beg = ASC_EEP_DVC_CFG_BEG; - cfg_end = ASC_EEP_MAX_DVC_ADDR; - } - for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { - if (s_addr <= uchar_end_in_config) { - /* - * Swap all char fields. Must unswap bytes already swapped - * by AscReadEEPWord(). - */ - word = le16_to_cpu(AscReadEEPWord(iop_base, (uchar) s_addr)); - } else { - /* Don't swap word field at the end - cntl field. */ - word = AscReadEEPWord(iop_base, (uchar) s_addr); - } - if (*wbuf != word) { - n_error++; - } - } - /* Read checksum; Byte swapping not needed. */ - if (AscReadEEPWord(iop_base, (uchar) s_addr) != sum) { - n_error++; - } - return (n_error); + for (retry = 0; retry < ASC_EEP_MAX_RETRY; retry++) { + unsigned char read_back; + AscSetChipEEPCmd(iop_base, cmd_reg); + mdelay(1); + read_back = AscGetChipEEPCmd(iop_base); + if (read_back == cmd_reg) + return 1; + } + return 0; } -STATIC int __init -AscSetEEPConfig( - PortAddr iop_base, - ASCEEP_CONFIG * cfg_buf, ushort bus_type -) +static void __devinit AscWaitEEPRead(void) { - int retry; - int n_error; - - retry = 0; - while (TRUE) { - if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf, - bus_type)) == 0) { - break; - } - if (++retry > ASC_EEP_MAX_RETRY) { - break; - } - } - return (n_error); + mdelay(1); } -STATIC void -AscAsyncFix( - ASC_DVC_VAR *asc_dvc, - uchar tid_no, - ASC_SCSI_INQUIRY *inq) +static ushort __devinit AscReadEEPWord(PortAddr iop_base, uchar addr) { - uchar dvc_type; - ASC_SCSI_BIT_ID_TYPE tid_bits; - - dvc_type = ASC_INQ_DVC_TYPE(inq); - tid_bits = ASC_TIX_TO_TARGET_ID(tid_no); - - if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN) - { - if (!(asc_dvc->init_sdtr & tid_bits)) - { - if ((dvc_type == TYPE_ROM) && - (AscCompareString((uchar *) inq->vendor_id, - (uchar *) "HP ", 3) == 0)) - { - asc_dvc->pci_fix_asyn_xfer_always |= tid_bits; - } - asc_dvc->pci_fix_asyn_xfer |= tid_bits; - if ((dvc_type == TYPE_PROCESSOR) || - (dvc_type == TYPE_SCANNER) || - (dvc_type == TYPE_ROM) || - (dvc_type == TYPE_TAPE)) - { - asc_dvc->pci_fix_asyn_xfer &= ~tid_bits; - } - - if (asc_dvc->pci_fix_asyn_xfer & tid_bits) - { - AscSetRunChipSynRegAtID(asc_dvc->iop_base, tid_no, - ASYN_SDTR_DATA_FIX_PCI_REV_AB); - } - } - } - return; + ushort read_wval; + uchar cmd_reg; + + AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE); + AscWaitEEPRead(); + cmd_reg = addr | ASC_EEP_CMD_READ; + AscWriteEEPCmdReg(iop_base, cmd_reg); + AscWaitEEPRead(); + read_wval = AscGetChipEEPData(iop_base); + AscWaitEEPRead(); + return read_wval; } -STATIC int -AscTagQueuingSafe(ASC_SCSI_INQUIRY *inq) +static ushort __devinit +AscGetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type) { - if ((inq->add_len >= 32) && - (AscCompareString((uchar *) inq->vendor_id, - (uchar *) "QUANTUM XP34301", 15) == 0) && - (AscCompareString((uchar *) inq->product_rev_level, - (uchar *) "1071", 4) == 0)) - { - return 0; - } - return 1; + ushort wval; + ushort sum; + ushort *wbuf; + int cfg_beg; + int cfg_end; + int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2; + int s_addr; + + wbuf = (ushort *)cfg_buf; + sum = 0; + /* Read two config words; Byte-swapping done by AscReadEEPWord(). */ + for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { + *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr); + sum += *wbuf; + } + if (bus_type & ASC_IS_VL) { + cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; + cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; + } else { + cfg_beg = ASC_EEP_DVC_CFG_BEG; + cfg_end = ASC_EEP_MAX_DVC_ADDR; + } + for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { + wval = AscReadEEPWord(iop_base, (uchar)s_addr); + if (s_addr <= uchar_end_in_config) { + /* + * Swap all char fields - must unswap bytes already swapped + * by AscReadEEPWord(). + */ + *wbuf = le16_to_cpu(wval); + } else { + /* Don't swap word field at the end - cntl field. */ + *wbuf = wval; + } + sum += wval; /* Checksum treats all EEPROM data as words. */ + } + /* + * Read the checksum word which will be compared against 'sum' + * by the caller. Word field already swapped. + */ + *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr); + return sum; +} + +static int __devinit AscTestExternalLram(ASC_DVC_VAR *asc_dvc) +{ + PortAddr iop_base; + ushort q_addr; + ushort saved_word; + int sta; + + iop_base = asc_dvc->iop_base; + sta = 0; + q_addr = ASC_QNO_TO_QADDR(241); + saved_word = AscReadLramWord(iop_base, q_addr); + AscSetChipLramAddr(iop_base, q_addr); + AscSetChipLramData(iop_base, 0x55AA); + mdelay(10); + AscSetChipLramAddr(iop_base, q_addr); + if (AscGetChipLramData(iop_base) == 0x55AA) { + sta = 1; + AscWriteLramWord(iop_base, q_addr, saved_word); + } + return (sta); } -STATIC void -AscInquiryHandling(ASC_DVC_VAR *asc_dvc, - uchar tid_no, ASC_SCSI_INQUIRY *inq) +static void __devinit AscWaitEEPWrite(void) { - ASC_SCSI_BIT_ID_TYPE tid_bit = ASC_TIX_TO_TARGET_ID(tid_no); - ASC_SCSI_BIT_ID_TYPE orig_init_sdtr, orig_use_tagged_qng; - - orig_init_sdtr = asc_dvc->init_sdtr; - orig_use_tagged_qng = asc_dvc->use_tagged_qng; - - asc_dvc->init_sdtr &= ~tid_bit; - asc_dvc->cfg->can_tagged_qng &= ~tid_bit; - asc_dvc->use_tagged_qng &= ~tid_bit; - - if (ASC_INQ_RESPONSE_FMT(inq) >= 2 || ASC_INQ_ANSI_VER(inq) >= 2) { - if ((asc_dvc->cfg->sdtr_enable & tid_bit) && ASC_INQ_SYNC(inq)) { - asc_dvc->init_sdtr |= tid_bit; - } - if ((asc_dvc->cfg->cmd_qng_enabled & tid_bit) && - ASC_INQ_CMD_QUEUE(inq)) { - if (AscTagQueuingSafe(inq)) { - asc_dvc->use_tagged_qng |= tid_bit; - asc_dvc->cfg->can_tagged_qng |= tid_bit; - } - } - } - if (orig_use_tagged_qng != asc_dvc->use_tagged_qng) { - AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B, - asc_dvc->cfg->disc_enable); - AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B, - asc_dvc->use_tagged_qng); - AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B, - asc_dvc->cfg->can_tagged_qng); - - asc_dvc->max_dvc_qng[tid_no] = - asc_dvc->cfg->max_tag_qng[tid_no]; - AscWriteLramByte(asc_dvc->iop_base, - (ushort) (ASCV_MAX_DVC_QNG_BEG + tid_no), - asc_dvc->max_dvc_qng[tid_no]); - } - if (orig_init_sdtr != asc_dvc->init_sdtr) { - AscAsyncFix(asc_dvc, tid_no, inq); - } - return; + mdelay(20); } -STATIC int -AscCompareString( - uchar *str1, - uchar *str2, - int len -) +static int __devinit AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg) { - int i; - int diff; + ushort read_back; + int retry; - for (i = 0; i < len; i++) { - diff = (int) (str1[i] - str2[i]); - if (diff != 0) - return (diff); - } - return (0); + retry = 0; + while (TRUE) { + AscSetChipEEPData(iop_base, data_reg); + mdelay(1); + read_back = AscGetChipEEPData(iop_base); + if (read_back == data_reg) { + return (1); + } + if (retry++ > ASC_EEP_MAX_RETRY) { + return (0); + } + } } -STATIC uchar -AscReadLramByte( - PortAddr iop_base, - ushort addr -) -{ - uchar byte_data; - ushort word_data; - - if (isodd_word(addr)) { - AscSetChipLramAddr(iop_base, addr - 1); - word_data = AscGetChipLramData(iop_base); - byte_data = (uchar) ((word_data >> 8) & 0xFF); - } else { - AscSetChipLramAddr(iop_base, addr); - word_data = AscGetChipLramData(iop_base); - byte_data = (uchar) (word_data & 0xFF); - } - return (byte_data); -} -STATIC ushort -AscReadLramWord( - PortAddr iop_base, - ushort addr -) +static ushort __devinit +AscWriteEEPWord(PortAddr iop_base, uchar addr, ushort word_val) { - ushort word_data; + ushort read_wval; + + read_wval = AscReadEEPWord(iop_base, addr); + if (read_wval != word_val) { + AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE); + AscWaitEEPRead(); + AscWriteEEPDataReg(iop_base, word_val); + AscWaitEEPRead(); + AscWriteEEPCmdReg(iop_base, + (uchar)((uchar)ASC_EEP_CMD_WRITE | addr)); + AscWaitEEPWrite(); + AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE); + AscWaitEEPRead(); + return (AscReadEEPWord(iop_base, addr)); + } + return (read_wval); +} + +static int __devinit +AscSetEEPConfigOnce(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type) +{ + int n_error; + ushort *wbuf; + ushort word; + ushort sum; + int s_addr; + int cfg_beg; + int cfg_end; + int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2; + + wbuf = (ushort *)cfg_buf; + n_error = 0; + sum = 0; + /* Write two config words; AscWriteEEPWord() will swap bytes. */ + for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { + sum += *wbuf; + if (*wbuf != AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) { + n_error++; + } + } + if (bus_type & ASC_IS_VL) { + cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; + cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; + } else { + cfg_beg = ASC_EEP_DVC_CFG_BEG; + cfg_end = ASC_EEP_MAX_DVC_ADDR; + } + for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { + if (s_addr <= uchar_end_in_config) { + /* + * This is a char field. Swap char fields before they are + * swapped again by AscWriteEEPWord(). + */ + word = cpu_to_le16(*wbuf); + if (word != + AscWriteEEPWord(iop_base, (uchar)s_addr, word)) { + n_error++; + } + } else { + /* Don't swap word field at the end - cntl field. */ + if (*wbuf != + AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) { + n_error++; + } + } + sum += *wbuf; /* Checksum calculated from word values. */ + } + /* Write checksum word. It will be swapped by AscWriteEEPWord(). */ + *wbuf = sum; + if (sum != AscWriteEEPWord(iop_base, (uchar)s_addr, sum)) { + n_error++; + } - AscSetChipLramAddr(iop_base, addr); - word_data = AscGetChipLramData(iop_base); - return (word_data); + /* Read EEPROM back again. */ + wbuf = (ushort *)cfg_buf; + /* + * Read two config words; Byte-swapping done by AscReadEEPWord(). + */ + for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { + if (*wbuf != AscReadEEPWord(iop_base, (uchar)s_addr)) { + n_error++; + } + } + if (bus_type & ASC_IS_VL) { + cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; + cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; + } else { + cfg_beg = ASC_EEP_DVC_CFG_BEG; + cfg_end = ASC_EEP_MAX_DVC_ADDR; + } + for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { + if (s_addr <= uchar_end_in_config) { + /* + * Swap all char fields. Must unswap bytes already swapped + * by AscReadEEPWord(). + */ + word = + le16_to_cpu(AscReadEEPWord + (iop_base, (uchar)s_addr)); + } else { + /* Don't swap word field at the end - cntl field. */ + word = AscReadEEPWord(iop_base, (uchar)s_addr); + } + if (*wbuf != word) { + n_error++; + } + } + /* Read checksum; Byte swapping not needed. */ + if (AscReadEEPWord(iop_base, (uchar)s_addr) != sum) { + n_error++; + } + return n_error; } -#if CC_VERY_LONG_SG_LIST -STATIC ASC_DCNT -AscReadLramDWord( - PortAddr iop_base, - ushort addr -) +static int __devinit +AscSetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type) { - ushort val_low, val_high; - ASC_DCNT dword_data; - - AscSetChipLramAddr(iop_base, addr); - val_low = AscGetChipLramData(iop_base); - val_high = AscGetChipLramData(iop_base); - dword_data = ((ASC_DCNT) val_high << 16) | (ASC_DCNT) val_low; - return (dword_data); + int retry; + int n_error; + + retry = 0; + while (TRUE) { + if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf, + bus_type)) == 0) { + break; + } + if (++retry > ASC_EEP_MAX_RETRY) { + break; + } + } + return n_error; +} + +static ushort __devinit AscInitFromEEP(ASC_DVC_VAR *asc_dvc) +{ + ASCEEP_CONFIG eep_config_buf; + ASCEEP_CONFIG *eep_config; + PortAddr iop_base; + ushort chksum; + ushort warn_code; + ushort cfg_msw, cfg_lsw; + int i; + int write_eep = 0; + + iop_base = asc_dvc->iop_base; + warn_code = 0; + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE); + AscStopQueueExe(iop_base); + if ((AscStopChip(iop_base) == FALSE) || + (AscGetChipScsiCtrl(iop_base) != 0)) { + asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE; + AscResetChipAndScsiBus(asc_dvc); + mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */ + } + if (AscIsChipHalted(iop_base) == FALSE) { + asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP; + return (warn_code); + } + AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR); + if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) { + asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR; + return (warn_code); + } + eep_config = (ASCEEP_CONFIG *)&eep_config_buf; + cfg_msw = AscGetChipCfgMsw(iop_base); + cfg_lsw = AscGetChipCfgLsw(iop_base); + if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) { + cfg_msw &= ~ASC_CFG_MSW_CLR_MASK; + warn_code |= ASC_WARN_CFG_MSW_RECOVER; + AscSetChipCfgMsw(iop_base, cfg_msw); + } + chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type); + ASC_DBG(1, "chksum 0x%x\n", chksum); + if (chksum == 0) { + chksum = 0xaa55; + } + if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) { + warn_code |= ASC_WARN_AUTO_CONFIG; + if (asc_dvc->cfg->chip_version == 3) { + if (eep_config->cfg_lsw != cfg_lsw) { + warn_code |= ASC_WARN_EEPROM_RECOVER; + eep_config->cfg_lsw = + AscGetChipCfgLsw(iop_base); + } + if (eep_config->cfg_msw != cfg_msw) { + warn_code |= ASC_WARN_EEPROM_RECOVER; + eep_config->cfg_msw = + AscGetChipCfgMsw(iop_base); + } + } + } + eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK; + eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON; + ASC_DBG(1, "eep_config->chksum 0x%x\n", eep_config->chksum); + if (chksum != eep_config->chksum) { + if (AscGetChipVersion(iop_base, asc_dvc->bus_type) == + ASC_CHIP_VER_PCI_ULTRA_3050) { + ASC_DBG(1, "chksum error ignored; EEPROM-less board\n"); + eep_config->init_sdtr = 0xFF; + eep_config->disc_enable = 0xFF; + eep_config->start_motor = 0xFF; + eep_config->use_cmd_qng = 0; + eep_config->max_total_qng = 0xF0; + eep_config->max_tag_qng = 0x20; + eep_config->cntl = 0xBFFF; + ASC_EEP_SET_CHIP_ID(eep_config, 7); + eep_config->no_scam = 0; + eep_config->adapter_info[0] = 0; + eep_config->adapter_info[1] = 0; + eep_config->adapter_info[2] = 0; + eep_config->adapter_info[3] = 0; + eep_config->adapter_info[4] = 0; + /* Indicate EEPROM-less board. */ + eep_config->adapter_info[5] = 0xBB; + } else { + ASC_PRINT + ("AscInitFromEEP: EEPROM checksum error; Will try to re-write EEPROM.\n"); + write_eep = 1; + warn_code |= ASC_WARN_EEPROM_CHKSUM; + } + } + asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr; + asc_dvc->cfg->disc_enable = eep_config->disc_enable; + asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng; + asc_dvc->cfg->isa_dma_speed = ASC_EEP_GET_DMA_SPD(eep_config); + asc_dvc->start_motor = eep_config->start_motor; + asc_dvc->dvc_cntl = eep_config->cntl; + asc_dvc->no_scam = eep_config->no_scam; + asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0]; + asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1]; + asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2]; + asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3]; + asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4]; + asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5]; + if (!AscTestExternalLram(asc_dvc)) { + if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == + ASC_IS_PCI_ULTRA)) { + eep_config->max_total_qng = + ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG; + eep_config->max_tag_qng = + ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG; + } else { + eep_config->cfg_msw |= 0x0800; + cfg_msw |= 0x0800; + AscSetChipCfgMsw(iop_base, cfg_msw); + eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG; + eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG; + } + } else { + } + if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) { + eep_config->max_total_qng = ASC_MIN_TOTAL_QNG; + } + if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) { + eep_config->max_total_qng = ASC_MAX_TOTAL_QNG; + } + if (eep_config->max_tag_qng > eep_config->max_total_qng) { + eep_config->max_tag_qng = eep_config->max_total_qng; + } + if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) { + eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC; + } + asc_dvc->max_total_qng = eep_config->max_total_qng; + if ((eep_config->use_cmd_qng & eep_config->disc_enable) != + eep_config->use_cmd_qng) { + eep_config->disc_enable = eep_config->use_cmd_qng; + warn_code |= ASC_WARN_CMD_QNG_CONFLICT; + } + ASC_EEP_SET_CHIP_ID(eep_config, + ASC_EEP_GET_CHIP_ID(eep_config) & ASC_MAX_TID); + asc_dvc->cfg->chip_scsi_id = ASC_EEP_GET_CHIP_ID(eep_config); + if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) && + !(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) { + asc_dvc->min_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX; + } + + for (i = 0; i <= ASC_MAX_TID; i++) { + asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i]; + asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng; + asc_dvc->cfg->sdtr_period_offset[i] = + (uchar)(ASC_DEF_SDTR_OFFSET | + (asc_dvc->min_sdtr_index << 4)); + } + eep_config->cfg_msw = AscGetChipCfgMsw(iop_base); + if (write_eep) { + if ((i = AscSetEEPConfig(iop_base, eep_config, + asc_dvc->bus_type)) != 0) { + ASC_PRINT1 + ("AscInitFromEEP: Failed to re-write EEPROM with %d errors.\n", + i); + } else { + ASC_PRINT + ("AscInitFromEEP: Successfully re-wrote EEPROM.\n"); + } + } + return (warn_code); } -#endif /* CC_VERY_LONG_SG_LIST */ -STATIC void -AscWriteLramWord( - PortAddr iop_base, - ushort addr, - ushort word_val -) +static int __devinit AscInitGetConfig(struct Scsi_Host *shost) { - AscSetChipLramAddr(iop_base, addr); - AscSetChipLramData(iop_base, word_val); - return; + struct asc_board *board = shost_priv(shost); + ASC_DVC_VAR *asc_dvc = &board->dvc_var.asc_dvc_var; + unsigned short warn_code = 0; + + asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG; + if (asc_dvc->err_code != 0) + return asc_dvc->err_code; + + if (AscFindSignature(asc_dvc->iop_base)) { + warn_code |= AscInitAscDvcVar(asc_dvc); + warn_code |= AscInitFromEEP(asc_dvc); + asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG; + if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT) + asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT; + } else { + asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; + } + + switch (warn_code) { + case 0: /* No error */ + break; + case ASC_WARN_IO_PORT_ROTATE: + shost_printk(KERN_WARNING, shost, "I/O port address " + "modified\n"); + break; + case ASC_WARN_AUTO_CONFIG: + shost_printk(KERN_WARNING, shost, "I/O port increment switch " + "enabled\n"); + break; + case ASC_WARN_EEPROM_CHKSUM: + shost_printk(KERN_WARNING, shost, "EEPROM checksum error\n"); + break; + case ASC_WARN_IRQ_MODIFIED: + shost_printk(KERN_WARNING, shost, "IRQ modified\n"); + break; + case ASC_WARN_CMD_QNG_CONFLICT: + shost_printk(KERN_WARNING, shost, "tag queuing enabled w/o " + "disconnects\n"); + break; + default: + shost_printk(KERN_WARNING, shost, "unknown warning: 0x%x\n", + warn_code); + break; + } + + if (asc_dvc->err_code != 0) + shost_printk(KERN_ERR, shost, "error 0x%x at init_state " + "0x%x\n", asc_dvc->err_code, asc_dvc->init_state); + + return asc_dvc->err_code; } -STATIC void -AscWriteLramByte( - PortAddr iop_base, - ushort addr, - uchar byte_val -) +static int __devinit AscInitSetConfig(struct pci_dev *pdev, struct Scsi_Host *shost) { - ushort word_data; - - if (isodd_word(addr)) { - addr--; - word_data = AscReadLramWord(iop_base, addr); - word_data &= 0x00FF; - word_data |= (((ushort) byte_val << 8) & 0xFF00); - } else { - word_data = AscReadLramWord(iop_base, addr); - word_data &= 0xFF00; - word_data |= ((ushort) byte_val & 0x00FF); - } - AscWriteLramWord(iop_base, addr, word_data); - return; + struct asc_board *board = shost_priv(shost); + ASC_DVC_VAR *asc_dvc = &board->dvc_var.asc_dvc_var; + PortAddr iop_base = asc_dvc->iop_base; + unsigned short cfg_msw; + unsigned short warn_code = 0; + + asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG; + if (asc_dvc->err_code != 0) + return asc_dvc->err_code; + if (!AscFindSignature(asc_dvc->iop_base)) { + asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; + return asc_dvc->err_code; + } + + cfg_msw = AscGetChipCfgMsw(iop_base); + if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) { + cfg_msw &= ~ASC_CFG_MSW_CLR_MASK; + warn_code |= ASC_WARN_CFG_MSW_RECOVER; + AscSetChipCfgMsw(iop_base, cfg_msw); + } + if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) != + asc_dvc->cfg->cmd_qng_enabled) { + asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled; + warn_code |= ASC_WARN_CMD_QNG_CONFLICT; + } + if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) { + warn_code |= ASC_WARN_AUTO_CONFIG; + } +#ifdef CONFIG_PCI + if (asc_dvc->bus_type & ASC_IS_PCI) { + cfg_msw &= 0xFFC0; + AscSetChipCfgMsw(iop_base, cfg_msw); + if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) { + } else { + if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) || + (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) { + asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB; + asc_dvc->bug_fix_cntl |= + ASC_BUG_FIX_ASYN_USE_SYN; + } + } + } else +#endif /* CONFIG_PCI */ + if (asc_dvc->bus_type == ASC_IS_ISAPNP) { + if (AscGetChipVersion(iop_base, asc_dvc->bus_type) + == ASC_CHIP_VER_ASYN_BUG) { + asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN; + } + } + if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) != + asc_dvc->cfg->chip_scsi_id) { + asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID; + } +#ifdef CONFIG_ISA + if (asc_dvc->bus_type & ASC_IS_ISA) { + AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel); + AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed); + } +#endif /* CONFIG_ISA */ + + asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG; + + switch (warn_code) { + case 0: /* No error. */ + break; + case ASC_WARN_IO_PORT_ROTATE: + shost_printk(KERN_WARNING, shost, "I/O port address " + "modified\n"); + break; + case ASC_WARN_AUTO_CONFIG: + shost_printk(KERN_WARNING, shost, "I/O port increment switch " + "enabled\n"); + break; + case ASC_WARN_EEPROM_CHKSUM: + shost_printk(KERN_WARNING, shost, "EEPROM checksum error\n"); + break; + case ASC_WARN_IRQ_MODIFIED: + shost_printk(KERN_WARNING, shost, "IRQ modified\n"); + break; + case ASC_WARN_CMD_QNG_CONFLICT: + shost_printk(KERN_WARNING, shost, "tag queuing w/o " + "disconnects\n"); + break; + default: + shost_printk(KERN_WARNING, shost, "unknown warning: 0x%x\n", + warn_code); + break; + } + + if (asc_dvc->err_code != 0) + shost_printk(KERN_ERR, shost, "error 0x%x at init_state " + "0x%x\n", asc_dvc->err_code, asc_dvc->init_state); + + return asc_dvc->err_code; } /* - * Copy 2 bytes to LRAM. + * EEPROM Configuration. * - * The source data is assumed to be in little-endian order in memory - * and is maintained in little-endian order when written to LRAM. + * All drivers should use this structure to set the default EEPROM + * configuration. The BIOS now uses this structure when it is built. + * Additional structure information can be found in a_condor.h where + * the structure is defined. + * + * The *_Field_IsChar structs are needed to correct for endianness. + * These values are read from the board 16 bits at a time directly + * into the structs. Because some fields are char, the values will be + * in the wrong order. The *_Field_IsChar tells when to flip the + * bytes. Data read and written to PCI memory is automatically swapped + * on big-endian platforms so char fields read as words are actually being + * unswapped on big-endian platforms. */ -STATIC void -AscMemWordCopyPtrToLram( - PortAddr iop_base, - ushort s_addr, - uchar *s_buffer, - int words -) -{ - int i; - - AscSetChipLramAddr(iop_base, s_addr); - for (i = 0; i < 2 * words; i += 2) { - /* - * On a little-endian system the second argument below - * produces a little-endian ushort which is written to - * LRAM in little-endian order. On a big-endian system - * the second argument produces a big-endian ushort which - * is "transparently" byte-swapped by outpw() and written - * in little-endian order to LRAM. - */ - outpw(iop_base + IOP_RAM_DATA, - ((ushort) s_buffer[i + 1] << 8) | s_buffer[i]); - } - return; -} +static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config __devinitdata = { + ADV_EEPROM_BIOS_ENABLE, /* cfg_lsw */ + 0x0000, /* cfg_msw */ + 0xFFFF, /* disc_enable */ + 0xFFFF, /* wdtr_able */ + 0xFFFF, /* sdtr_able */ + 0xFFFF, /* start_motor */ + 0xFFFF, /* tagqng_able */ + 0xFFFF, /* bios_scan */ + 0, /* scam_tolerant */ + 7, /* adapter_scsi_id */ + 0, /* bios_boot_delay */ + 3, /* scsi_reset_delay */ + 0, /* bios_id_lun */ + 0, /* termination */ + 0, /* reserved1 */ + 0xFFE7, /* bios_ctrl */ + 0xFFFF, /* ultra_able */ + 0, /* reserved2 */ + ASC_DEF_MAX_HOST_QNG, /* max_host_qng */ + ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */ + 0, /* dvc_cntl */ + 0, /* bug_fix */ + 0, /* serial_number_word1 */ + 0, /* serial_number_word2 */ + 0, /* serial_number_word3 */ + 0, /* check_sum */ + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} + , /* oem_name[16] */ + 0, /* dvc_err_code */ + 0, /* adv_err_code */ + 0, /* adv_err_addr */ + 0, /* saved_dvc_err_code */ + 0, /* saved_adv_err_code */ + 0, /* saved_adv_err_addr */ + 0 /* num_of_err */ +}; + +static ADVEEP_3550_CONFIG ADVEEP_3550_Config_Field_IsChar __devinitdata = { + 0, /* cfg_lsw */ + 0, /* cfg_msw */ + 0, /* -disc_enable */ + 0, /* wdtr_able */ + 0, /* sdtr_able */ + 0, /* start_motor */ + 0, /* tagqng_able */ + 0, /* bios_scan */ + 0, /* scam_tolerant */ + 1, /* adapter_scsi_id */ + 1, /* bios_boot_delay */ + 1, /* scsi_reset_delay */ + 1, /* bios_id_lun */ + 1, /* termination */ + 1, /* reserved1 */ + 0, /* bios_ctrl */ + 0, /* ultra_able */ + 0, /* reserved2 */ + 1, /* max_host_qng */ + 1, /* max_dvc_qng */ + 0, /* dvc_cntl */ + 0, /* bug_fix */ + 0, /* serial_number_word1 */ + 0, /* serial_number_word2 */ + 0, /* serial_number_word3 */ + 0, /* check_sum */ + {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1} + , /* oem_name[16] */ + 0, /* dvc_err_code */ + 0, /* adv_err_code */ + 0, /* adv_err_addr */ + 0, /* saved_dvc_err_code */ + 0, /* saved_adv_err_code */ + 0, /* saved_adv_err_addr */ + 0 /* num_of_err */ +}; + +static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config __devinitdata = { + ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */ + 0x0000, /* 01 cfg_msw */ + 0xFFFF, /* 02 disc_enable */ + 0xFFFF, /* 03 wdtr_able */ + 0x4444, /* 04 sdtr_speed1 */ + 0xFFFF, /* 05 start_motor */ + 0xFFFF, /* 06 tagqng_able */ + 0xFFFF, /* 07 bios_scan */ + 0, /* 08 scam_tolerant */ + 7, /* 09 adapter_scsi_id */ + 0, /* bios_boot_delay */ + 3, /* 10 scsi_reset_delay */ + 0, /* bios_id_lun */ + 0, /* 11 termination_se */ + 0, /* termination_lvd */ + 0xFFE7, /* 12 bios_ctrl */ + 0x4444, /* 13 sdtr_speed2 */ + 0x4444, /* 14 sdtr_speed3 */ + ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */ + ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */ + 0, /* 16 dvc_cntl */ + 0x4444, /* 17 sdtr_speed4 */ + 0, /* 18 serial_number_word1 */ + 0, /* 19 serial_number_word2 */ + 0, /* 20 serial_number_word3 */ + 0, /* 21 check_sum */ + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} + , /* 22-29 oem_name[16] */ + 0, /* 30 dvc_err_code */ + 0, /* 31 adv_err_code */ + 0, /* 32 adv_err_addr */ + 0, /* 33 saved_dvc_err_code */ + 0, /* 34 saved_adv_err_code */ + 0, /* 35 saved_adv_err_addr */ + 0, /* 36 reserved */ + 0, /* 37 reserved */ + 0, /* 38 reserved */ + 0, /* 39 reserved */ + 0, /* 40 reserved */ + 0, /* 41 reserved */ + 0, /* 42 reserved */ + 0, /* 43 reserved */ + 0, /* 44 reserved */ + 0, /* 45 reserved */ + 0, /* 46 reserved */ + 0, /* 47 reserved */ + 0, /* 48 reserved */ + 0, /* 49 reserved */ + 0, /* 50 reserved */ + 0, /* 51 reserved */ + 0, /* 52 reserved */ + 0, /* 53 reserved */ + 0, /* 54 reserved */ + 0, /* 55 reserved */ + 0, /* 56 cisptr_lsw */ + 0, /* 57 cisprt_msw */ + PCI_VENDOR_ID_ASP, /* 58 subsysvid */ + PCI_DEVICE_ID_38C0800_REV1, /* 59 subsysid */ + 0, /* 60 reserved */ + 0, /* 61 reserved */ + 0, /* 62 reserved */ + 0 /* 63 reserved */ +}; + +static ADVEEP_38C0800_CONFIG ADVEEP_38C0800_Config_Field_IsChar __devinitdata = { + 0, /* 00 cfg_lsw */ + 0, /* 01 cfg_msw */ + 0, /* 02 disc_enable */ + 0, /* 03 wdtr_able */ + 0, /* 04 sdtr_speed1 */ + 0, /* 05 start_motor */ + 0, /* 06 tagqng_able */ + 0, /* 07 bios_scan */ + 0, /* 08 scam_tolerant */ + 1, /* 09 adapter_scsi_id */ + 1, /* bios_boot_delay */ + 1, /* 10 scsi_reset_delay */ + 1, /* bios_id_lun */ + 1, /* 11 termination_se */ + 1, /* termination_lvd */ + 0, /* 12 bios_ctrl */ + 0, /* 13 sdtr_speed2 */ + 0, /* 14 sdtr_speed3 */ + 1, /* 15 max_host_qng */ + 1, /* max_dvc_qng */ + 0, /* 16 dvc_cntl */ + 0, /* 17 sdtr_speed4 */ + 0, /* 18 serial_number_word1 */ + 0, /* 19 serial_number_word2 */ + 0, /* 20 serial_number_word3 */ + 0, /* 21 check_sum */ + {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1} + , /* 22-29 oem_name[16] */ + 0, /* 30 dvc_err_code */ + 0, /* 31 adv_err_code */ + 0, /* 32 adv_err_addr */ + 0, /* 33 saved_dvc_err_code */ + 0, /* 34 saved_adv_err_code */ + 0, /* 35 saved_adv_err_addr */ + 0, /* 36 reserved */ + 0, /* 37 reserved */ + 0, /* 38 reserved */ + 0, /* 39 reserved */ + 0, /* 40 reserved */ + 0, /* 41 reserved */ + 0, /* 42 reserved */ + 0, /* 43 reserved */ + 0, /* 44 reserved */ + 0, /* 45 reserved */ + 0, /* 46 reserved */ + 0, /* 47 reserved */ + 0, /* 48 reserved */ + 0, /* 49 reserved */ + 0, /* 50 reserved */ + 0, /* 51 reserved */ + 0, /* 52 reserved */ + 0, /* 53 reserved */ + 0, /* 54 reserved */ + 0, /* 55 reserved */ + 0, /* 56 cisptr_lsw */ + 0, /* 57 cisprt_msw */ + 0, /* 58 subsysvid */ + 0, /* 59 subsysid */ + 0, /* 60 reserved */ + 0, /* 61 reserved */ + 0, /* 62 reserved */ + 0 /* 63 reserved */ +}; + +static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config __devinitdata = { + ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */ + 0x0000, /* 01 cfg_msw */ + 0xFFFF, /* 02 disc_enable */ + 0xFFFF, /* 03 wdtr_able */ + 0x5555, /* 04 sdtr_speed1 */ + 0xFFFF, /* 05 start_motor */ + 0xFFFF, /* 06 tagqng_able */ + 0xFFFF, /* 07 bios_scan */ + 0, /* 08 scam_tolerant */ + 7, /* 09 adapter_scsi_id */ + 0, /* bios_boot_delay */ + 3, /* 10 scsi_reset_delay */ + 0, /* bios_id_lun */ + 0, /* 11 termination_se */ + 0, /* termination_lvd */ + 0xFFE7, /* 12 bios_ctrl */ + 0x5555, /* 13 sdtr_speed2 */ + 0x5555, /* 14 sdtr_speed3 */ + ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */ + ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */ + 0, /* 16 dvc_cntl */ + 0x5555, /* 17 sdtr_speed4 */ + 0, /* 18 serial_number_word1 */ + 0, /* 19 serial_number_word2 */ + 0, /* 20 serial_number_word3 */ + 0, /* 21 check_sum */ + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} + , /* 22-29 oem_name[16] */ + 0, /* 30 dvc_err_code */ + 0, /* 31 adv_err_code */ + 0, /* 32 adv_err_addr */ + 0, /* 33 saved_dvc_err_code */ + 0, /* 34 saved_adv_err_code */ + 0, /* 35 saved_adv_err_addr */ + 0, /* 36 reserved */ + 0, /* 37 reserved */ + 0, /* 38 reserved */ + 0, /* 39 reserved */ + 0, /* 40 reserved */ + 0, /* 41 reserved */ + 0, /* 42 reserved */ + 0, /* 43 reserved */ + 0, /* 44 reserved */ + 0, /* 45 reserved */ + 0, /* 46 reserved */ + 0, /* 47 reserved */ + 0, /* 48 reserved */ + 0, /* 49 reserved */ + 0, /* 50 reserved */ + 0, /* 51 reserved */ + 0, /* 52 reserved */ + 0, /* 53 reserved */ + 0, /* 54 reserved */ + 0, /* 55 reserved */ + 0, /* 56 cisptr_lsw */ + 0, /* 57 cisprt_msw */ + PCI_VENDOR_ID_ASP, /* 58 subsysvid */ + PCI_DEVICE_ID_38C1600_REV1, /* 59 subsysid */ + 0, /* 60 reserved */ + 0, /* 61 reserved */ + 0, /* 62 reserved */ + 0 /* 63 reserved */ +}; + +static ADVEEP_38C1600_CONFIG ADVEEP_38C1600_Config_Field_IsChar __devinitdata = { + 0, /* 00 cfg_lsw */ + 0, /* 01 cfg_msw */ + 0, /* 02 disc_enable */ + 0, /* 03 wdtr_able */ + 0, /* 04 sdtr_speed1 */ + 0, /* 05 start_motor */ + 0, /* 06 tagqng_able */ + 0, /* 07 bios_scan */ + 0, /* 08 scam_tolerant */ + 1, /* 09 adapter_scsi_id */ + 1, /* bios_boot_delay */ + 1, /* 10 scsi_reset_delay */ + 1, /* bios_id_lun */ + 1, /* 11 termination_se */ + 1, /* termination_lvd */ + 0, /* 12 bios_ctrl */ + 0, /* 13 sdtr_speed2 */ + 0, /* 14 sdtr_speed3 */ + 1, /* 15 max_host_qng */ + 1, /* max_dvc_qng */ + 0, /* 16 dvc_cntl */ + 0, /* 17 sdtr_speed4 */ + 0, /* 18 serial_number_word1 */ + 0, /* 19 serial_number_word2 */ + 0, /* 20 serial_number_word3 */ + 0, /* 21 check_sum */ + {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1} + , /* 22-29 oem_name[16] */ + 0, /* 30 dvc_err_code */ + 0, /* 31 adv_err_code */ + 0, /* 32 adv_err_addr */ + 0, /* 33 saved_dvc_err_code */ + 0, /* 34 saved_adv_err_code */ + 0, /* 35 saved_adv_err_addr */ + 0, /* 36 reserved */ + 0, /* 37 reserved */ + 0, /* 38 reserved */ + 0, /* 39 reserved */ + 0, /* 40 reserved */ + 0, /* 41 reserved */ + 0, /* 42 reserved */ + 0, /* 43 reserved */ + 0, /* 44 reserved */ + 0, /* 45 reserved */ + 0, /* 46 reserved */ + 0, /* 47 reserved */ + 0, /* 48 reserved */ + 0, /* 49 reserved */ + 0, /* 50 reserved */ + 0, /* 51 reserved */ + 0, /* 52 reserved */ + 0, /* 53 reserved */ + 0, /* 54 reserved */ + 0, /* 55 reserved */ + 0, /* 56 cisptr_lsw */ + 0, /* 57 cisprt_msw */ + 0, /* 58 subsysvid */ + 0, /* 59 subsysid */ + 0, /* 60 reserved */ + 0, /* 61 reserved */ + 0, /* 62 reserved */ + 0 /* 63 reserved */ +}; +#ifdef CONFIG_PCI /* - * Copy 4 bytes to LRAM. - * - * The source data is assumed to be in little-endian order in memory - * and is maintained in little-endian order when writen to LRAM. + * Wait for EEPROM command to complete */ -STATIC void -AscMemDWordCopyPtrToLram( - PortAddr iop_base, - ushort s_addr, - uchar *s_buffer, - int dwords -) +static void __devinit AdvWaitEEPCmd(AdvPortAddr iop_base) { - int i; - - AscSetChipLramAddr(iop_base, s_addr); - for (i = 0; i < 4 * dwords; i += 4) { - outpw(iop_base + IOP_RAM_DATA, - ((ushort) s_buffer[i + 1] << 8) | s_buffer[i]); /* LSW */ - outpw(iop_base + IOP_RAM_DATA, - ((ushort) s_buffer[i + 3] << 8) | s_buffer[i + 2]); /* MSW */ - } - return; + int eep_delay_ms; + + for (eep_delay_ms = 0; eep_delay_ms < ADV_EEP_DELAY_MS; eep_delay_ms++) { + if (AdvReadWordRegister(iop_base, IOPW_EE_CMD) & + ASC_EEP_CMD_DONE) { + break; + } + mdelay(1); + } + if ((AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) == + 0) + BUG(); } /* - * Copy 2 bytes from LRAM. - * - * The source data is assumed to be in little-endian order in LRAM - * and is maintained in little-endian order when written to memory. + * Read the EEPROM from specified location */ -STATIC void -AscMemWordCopyPtrFromLram( - PortAddr iop_base, - ushort s_addr, - uchar *d_buffer, - int words -) +static ushort __devinit AdvReadEEPWord(AdvPortAddr iop_base, int eep_word_addr) { - int i; - ushort word; - - AscSetChipLramAddr(iop_base, s_addr); - for (i = 0; i < 2 * words; i += 2) { - word = inpw(iop_base + IOP_RAM_DATA); - d_buffer[i] = word & 0xff; - d_buffer[i + 1] = (word >> 8) & 0xff; - } - return; + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, + ASC_EEP_CMD_READ | eep_word_addr); + AdvWaitEEPCmd(iop_base); + return AdvReadWordRegister(iop_base, IOPW_EE_DATA); } -STATIC ASC_DCNT -AscMemSumLramWord( - PortAddr iop_base, - ushort s_addr, - int words -) +/* + * Write the EEPROM from 'cfg_buf'. + */ +static void __devinit +AdvSet3550EEPConfig(AdvPortAddr iop_base, ADVEEP_3550_CONFIG *cfg_buf) { - ASC_DCNT sum; - int i; + ushort *wbuf; + ushort addr, chksum; + ushort *charfields; + + wbuf = (ushort *)cfg_buf; + charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar; + chksum = 0; + + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE); + AdvWaitEEPCmd(iop_base); + + /* + * Write EEPROM from word 0 to word 20. + */ + for (addr = ADV_EEP_DVC_CFG_BEGIN; + addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) { + ushort word; + + if (*charfields++) { + word = cpu_to_le16(*wbuf); + } else { + word = *wbuf; + } + chksum += *wbuf; /* Checksum is calculated from word values. */ + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, + ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + mdelay(ADV_EEP_DELAY_MS); + } - sum = 0L; - for (i = 0; i < words; i++, s_addr += 2) { - sum += AscReadLramWord(iop_base, s_addr); - } - return (sum); + /* + * Write EEPROM checksum at word 21. + */ + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + wbuf++; + charfields++; + + /* + * Write EEPROM OEM name at words 22 to 29. + */ + for (addr = ADV_EEP_DVC_CTL_BEGIN; + addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) { + ushort word; + + if (*charfields++) { + word = cpu_to_le16(*wbuf); + } else { + word = *wbuf; + } + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, + ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + } + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE); + AdvWaitEEPCmd(iop_base); } -STATIC void -AscMemWordSetLram( - PortAddr iop_base, - ushort s_addr, - ushort set_wval, - int words -) -{ - int i; +/* + * Write the EEPROM from 'cfg_buf'. + */ +static void __devinit +AdvSet38C0800EEPConfig(AdvPortAddr iop_base, ADVEEP_38C0800_CONFIG *cfg_buf) +{ + ushort *wbuf; + ushort *charfields; + ushort addr, chksum; + + wbuf = (ushort *)cfg_buf; + charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar; + chksum = 0; + + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE); + AdvWaitEEPCmd(iop_base); + + /* + * Write EEPROM from word 0 to word 20. + */ + for (addr = ADV_EEP_DVC_CFG_BEGIN; + addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) { + ushort word; + + if (*charfields++) { + word = cpu_to_le16(*wbuf); + } else { + word = *wbuf; + } + chksum += *wbuf; /* Checksum is calculated from word values. */ + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, + ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + mdelay(ADV_EEP_DELAY_MS); + } - AscSetChipLramAddr(iop_base, s_addr); - for (i = 0; i < words; i++) { - AscSetChipLramData(iop_base, set_wval); - } - return; + /* + * Write EEPROM checksum at word 21. + */ + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + wbuf++; + charfields++; + + /* + * Write EEPROM OEM name at words 22 to 29. + */ + for (addr = ADV_EEP_DVC_CTL_BEGIN; + addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) { + ushort word; + + if (*charfields++) { + word = cpu_to_le16(*wbuf); + } else { + word = *wbuf; + } + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, + ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + } + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE); + AdvWaitEEPCmd(iop_base); } - /* - * --- Adv Library Functions + * Write the EEPROM from 'cfg_buf'. */ +static void __devinit +AdvSet38C1600EEPConfig(AdvPortAddr iop_base, ADVEEP_38C1600_CONFIG *cfg_buf) +{ + ushort *wbuf; + ushort *charfields; + ushort addr, chksum; + + wbuf = (ushort *)cfg_buf; + charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar; + chksum = 0; + + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE); + AdvWaitEEPCmd(iop_base); + + /* + * Write EEPROM from word 0 to word 20. + */ + for (addr = ADV_EEP_DVC_CFG_BEGIN; + addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) { + ushort word; + + if (*charfields++) { + word = cpu_to_le16(*wbuf); + } else { + word = *wbuf; + } + chksum += *wbuf; /* Checksum is calculated from word values. */ + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, + ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + mdelay(ADV_EEP_DELAY_MS); + } -/* a_mcode.h */ - -/* Microcode buffer is kept after initialization for error recovery. */ -STATIC unsigned 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little-endian checksum. */ - -/* Microcode buffer is kept after initialization for error recovery. */ -STATIC unsigned char _adv_asc38C0800_buf[] = { - 0x00, 0x00, 0x00, 0xf2, 0x00, 0xf0, 0x00, 0xfc, 0x00, 0x16, 0x18, 0xe4, 0x01, 0x00, 0x48, 0xe4, - 0x18, 0x80, 0x03, 0xf6, 0x02, 0x00, 0xce, 0x19, 0x00, 0xfa, 0xff, 0xff, 0x1c, 0x0f, 0x00, 0xf6, - 0x9e, 0xe7, 0xff, 0x00, 0x82, 0xe7, 0x00, 0xea, 0x01, 0xfa, 0x01, 0xe6, 0x09, 0xe7, 0x55, 0xf0, - 0x01, 0xf6, 0x03, 0x00, 0x04, 0x00, 0x10, 0x00, 0x1e, 0xf0, 0x85, 0xf0, 0x18, 0xf4, 0x08, 0x00, - 0xbc, 0x00, 0x38, 0x54, 0x00, 0xec, 0xd5, 0xf0, 0x82, 0x0d, 0x00, 0xe6, 0x86, 0xf0, 0xb1, 0xf0, - 0x98, 0x57, 0x01, 0xfc, 0xb4, 0x00, 0xd4, 0x01, 0x0c, 0x1c, 0x3e, 0x1c, 0x3c, 0x00, 0xbb, 0x00, - 0x00, 0x10, 0xba, 0x19, 0x02, 0x80, 0x32, 0xf0, 0x7c, 0x0d, 0x02, 0x13, 0xba, 0x13, 0x18, 0x40, - 0x00, 0x57, 0x01, 0xea, 0x02, 0xfc, 0x03, 0xfc, 0x3e, 0x00, 0x6c, 0x01, 0x6e, 0x01, 0x74, 0x01, - 0x76, 0x01, 0xb9, 0x54, 0x3e, 0x57, 0x00, 0x80, 0x03, 0xe6, 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_adv_asc38C0800_chksum = - 0x050D3FD8UL; /* Expanded little-endian checksum. */ + /* + * Write EEPROM checksum at word 21. + */ + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + wbuf++; + charfields++; + + /* + * Write EEPROM OEM name at words 22 to 29. + */ + for (addr = ADV_EEP_DVC_CTL_BEGIN; + addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) { + ushort word; + + if (*charfields++) { + word = cpu_to_le16(*wbuf); + } else { + word = *wbuf; + } + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, + ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + } + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE); + AdvWaitEEPCmd(iop_base); +} -/* Microcode buffer is kept after initialization for error recovery. */ -STATIC unsigned char _adv_asc38C1600_buf[] = { - 0x00, 0x00, 0x00, 0xf2, 0x00, 0x16, 0x00, 0xfc, 0x00, 0x10, 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*cfg_buf) +{ + ushort wval, chksum; + ushort *wbuf; + int eep_addr; + ushort *charfields; + + charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar; + wbuf = (ushort *)cfg_buf; + chksum = 0; + + for (eep_addr = ADV_EEP_DVC_CFG_BEGIN; + eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) { + wval = AdvReadEEPWord(iop_base, eep_addr); + chksum += wval; /* Checksum is calculated from word values. */ + if (*charfields++) { + *wbuf = le16_to_cpu(wval); + } else { + *wbuf = wval; + } + } + /* Read checksum word. */ + *wbuf = AdvReadEEPWord(iop_base, eep_addr); + wbuf++; + charfields++; + + /* Read rest of EEPROM not covered by the checksum. */ + for (eep_addr = ADV_EEP_DVC_CTL_BEGIN; + eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) { + *wbuf = AdvReadEEPWord(iop_base, eep_addr); + if (*charfields++) { + *wbuf = le16_to_cpu(*wbuf); + } + } + return chksum; +} -STATIC unsigned short _adv_asc38C1600_size = - sizeof(_adv_asc38C1600_buf); /* 0x1673 */ -STATIC ADV_DCNT _adv_asc38C1600_chksum = - 0x0604EF77UL; /* Expanded little-endian checksum. */ +/* + * Read EEPROM configuration into the specified buffer. + * + * Return a checksum based on the EEPROM configuration read. + */ +static ushort __devinit +AdvGet38C0800EEPConfig(AdvPortAddr iop_base, ADVEEP_38C0800_CONFIG *cfg_buf) +{ + ushort wval, chksum; + ushort *wbuf; + int eep_addr; + ushort *charfields; + + charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar; + wbuf = (ushort *)cfg_buf; + chksum = 0; + + for (eep_addr = ADV_EEP_DVC_CFG_BEGIN; + eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) { + wval = AdvReadEEPWord(iop_base, eep_addr); + chksum += wval; /* Checksum is calculated from word values. */ + if (*charfields++) { + *wbuf = le16_to_cpu(wval); + } else { + *wbuf = wval; + } + } + /* Read checksum word. */ + *wbuf = AdvReadEEPWord(iop_base, eep_addr); + wbuf++; + charfields++; + + /* Read rest of EEPROM not covered by the checksum. */ + for (eep_addr = ADV_EEP_DVC_CTL_BEGIN; + eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) { + *wbuf = AdvReadEEPWord(iop_base, eep_addr); + if (*charfields++) { + *wbuf = le16_to_cpu(*wbuf); + } + } + return chksum; +} -/* a_init.c */ /* - * EEPROM Configuration. - * - * All drivers should use this structure to set the default EEPROM - * configuration. The BIOS now uses this structure when it is built. - * Additional structure information can be found in a_condor.h where - * the structure is defined. + * Read EEPROM configuration into the specified buffer. * - * The *_Field_IsChar structs are needed to correct for endianness. - * These values are read from the board 16 bits at a time directly - * into the structs. Because some fields are char, the values will be - * in the wrong order. The *_Field_IsChar tells when to flip the - * bytes. Data read and written to PCI memory is automatically swapped - * on big-endian platforms so char fields read as words are actually being - * unswapped on big-endian platforms. + * Return a checksum based on the EEPROM configuration read. */ -STATIC ADVEEP_3550_CONFIG -Default_3550_EEPROM_Config __initdata = { - ADV_EEPROM_BIOS_ENABLE, /* cfg_lsw */ - 0x0000, /* cfg_msw */ - 0xFFFF, /* disc_enable */ - 0xFFFF, /* wdtr_able */ - 0xFFFF, /* sdtr_able */ - 0xFFFF, /* start_motor */ - 0xFFFF, /* tagqng_able */ - 0xFFFF, /* bios_scan */ - 0, /* scam_tolerant */ - 7, /* adapter_scsi_id */ - 0, /* bios_boot_delay */ - 3, /* scsi_reset_delay */ - 0, /* bios_id_lun */ - 0, /* termination */ - 0, /* reserved1 */ - 0xFFE7, /* bios_ctrl */ - 0xFFFF, /* ultra_able */ - 0, /* reserved2 */ - ASC_DEF_MAX_HOST_QNG, /* max_host_qng */ - ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */ - 0, /* dvc_cntl */ - 0, /* bug_fix */ - 0, /* serial_number_word1 */ - 0, /* serial_number_word2 */ - 0, /* serial_number_word3 */ - 0, /* check_sum */ - { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, /* oem_name[16] */ - 0, /* dvc_err_code */ - 0, /* adv_err_code */ - 0, /* adv_err_addr */ - 0, /* saved_dvc_err_code */ - 0, /* saved_adv_err_code */ - 0, /* saved_adv_err_addr */ - 0 /* num_of_err */ -}; - -STATIC ADVEEP_3550_CONFIG -ADVEEP_3550_Config_Field_IsChar __initdata = { - 0, /* cfg_lsw */ - 0, /* cfg_msw */ - 0, /* -disc_enable */ - 0, /* wdtr_able */ - 0, /* sdtr_able */ - 0, /* start_motor */ - 0, /* tagqng_able */ - 0, /* bios_scan */ - 0, /* scam_tolerant */ - 1, /* adapter_scsi_id */ - 1, /* bios_boot_delay */ - 1, /* scsi_reset_delay */ - 1, /* bios_id_lun */ - 1, /* termination */ - 1, /* reserved1 */ - 0, /* bios_ctrl */ - 0, /* ultra_able */ - 0, /* reserved2 */ - 1, /* max_host_qng */ - 1, /* max_dvc_qng */ - 0, /* dvc_cntl */ - 0, /* bug_fix */ - 0, /* serial_number_word1 */ - 0, /* serial_number_word2 */ - 0, /* serial_number_word3 */ - 0, /* check_sum */ - { 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }, /* oem_name[16] */ - 0, /* dvc_err_code */ - 0, /* adv_err_code */ - 0, /* adv_err_addr */ - 0, /* saved_dvc_err_code */ - 0, /* saved_adv_err_code */ - 0, /* saved_adv_err_addr */ - 0 /* num_of_err */ -}; - -STATIC ADVEEP_38C0800_CONFIG -Default_38C0800_EEPROM_Config __initdata = { - ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */ - 0x0000, /* 01 cfg_msw */ - 0xFFFF, /* 02 disc_enable */ - 0xFFFF, /* 03 wdtr_able */ - 0x4444, /* 04 sdtr_speed1 */ - 0xFFFF, /* 05 start_motor */ - 0xFFFF, /* 06 tagqng_able */ - 0xFFFF, /* 07 bios_scan */ - 0, /* 08 scam_tolerant */ - 7, /* 09 adapter_scsi_id */ - 0, /* bios_boot_delay */ - 3, /* 10 scsi_reset_delay */ - 0, /* bios_id_lun */ - 0, /* 11 termination_se */ - 0, /* termination_lvd */ - 0xFFE7, /* 12 bios_ctrl */ - 0x4444, /* 13 sdtr_speed2 */ - 0x4444, /* 14 sdtr_speed3 */ - ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */ - ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */ - 0, /* 16 dvc_cntl */ - 0x4444, /* 17 sdtr_speed4 */ - 0, /* 18 serial_number_word1 */ - 0, /* 19 serial_number_word2 */ - 0, /* 20 serial_number_word3 */ - 0, /* 21 check_sum */ - { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, /* 22-29 oem_name[16] */ - 0, /* 30 dvc_err_code */ - 0, /* 31 adv_err_code */ - 0, /* 32 adv_err_addr */ - 0, /* 33 saved_dvc_err_code */ - 0, /* 34 saved_adv_err_code */ - 0, /* 35 saved_adv_err_addr */ - 0, /* 36 reserved */ - 0, /* 37 reserved */ - 0, /* 38 reserved */ - 0, /* 39 reserved */ - 0, /* 40 reserved */ - 0, /* 41 reserved */ - 0, /* 42 reserved */ - 0, /* 43 reserved */ - 0, /* 44 reserved */ - 0, /* 45 reserved */ - 0, /* 46 reserved */ - 0, /* 47 reserved */ - 0, /* 48 reserved */ - 0, /* 49 reserved */ - 0, /* 50 reserved */ - 0, /* 51 reserved */ - 0, /* 52 reserved */ - 0, /* 53 reserved */ - 0, /* 54 reserved */ - 0, /* 55 reserved */ - 0, /* 56 cisptr_lsw */ - 0, /* 57 cisprt_msw */ - PCI_VENDOR_ID_ASP, /* 58 subsysvid */ - PCI_DEVICE_ID_38C0800_REV1, /* 59 subsysid */ - 0, /* 60 reserved */ - 0, /* 61 reserved */ - 0, /* 62 reserved */ - 0 /* 63 reserved */ -}; - -STATIC ADVEEP_38C0800_CONFIG -ADVEEP_38C0800_Config_Field_IsChar __initdata = { - 0, /* 00 cfg_lsw */ - 0, /* 01 cfg_msw */ - 0, /* 02 disc_enable */ - 0, /* 03 wdtr_able */ - 0, /* 04 sdtr_speed1 */ - 0, /* 05 start_motor */ - 0, /* 06 tagqng_able */ - 0, /* 07 bios_scan */ - 0, /* 08 scam_tolerant */ - 1, /* 09 adapter_scsi_id */ - 1, /* bios_boot_delay */ - 1, /* 10 scsi_reset_delay */ - 1, /* bios_id_lun */ - 1, /* 11 termination_se */ - 1, /* termination_lvd */ - 0, /* 12 bios_ctrl */ - 0, /* 13 sdtr_speed2 */ - 0, /* 14 sdtr_speed3 */ - 1, /* 15 max_host_qng */ - 1, /* max_dvc_qng */ - 0, /* 16 dvc_cntl */ - 0, /* 17 sdtr_speed4 */ - 0, /* 18 serial_number_word1 */ - 0, /* 19 serial_number_word2 */ - 0, /* 20 serial_number_word3 */ - 0, /* 21 check_sum */ - { 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }, /* 22-29 oem_name[16] */ - 0, /* 30 dvc_err_code */ - 0, /* 31 adv_err_code */ - 0, /* 32 adv_err_addr */ - 0, /* 33 saved_dvc_err_code */ - 0, /* 34 saved_adv_err_code */ - 0, /* 35 saved_adv_err_addr */ - 0, /* 36 reserved */ - 0, /* 37 reserved */ - 0, /* 38 reserved */ - 0, /* 39 reserved */ - 0, /* 40 reserved */ - 0, /* 41 reserved */ - 0, /* 42 reserved */ - 0, /* 43 reserved */ - 0, /* 44 reserved */ - 0, /* 45 reserved */ - 0, /* 46 reserved */ - 0, /* 47 reserved */ - 0, /* 48 reserved */ - 0, /* 49 reserved */ - 0, /* 50 reserved */ - 0, /* 51 reserved */ - 0, /* 52 reserved */ - 0, /* 53 reserved */ - 0, /* 54 reserved */ - 0, /* 55 reserved */ - 0, /* 56 cisptr_lsw */ - 0, /* 57 cisprt_msw */ - 0, /* 58 subsysvid */ - 0, /* 59 subsysid */ - 0, /* 60 reserved */ - 0, /* 61 reserved */ - 0, /* 62 reserved */ - 0 /* 63 reserved */ -}; - -STATIC ADVEEP_38C1600_CONFIG -Default_38C1600_EEPROM_Config __initdata = { - ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */ - 0x0000, /* 01 cfg_msw */ - 0xFFFF, /* 02 disc_enable */ - 0xFFFF, /* 03 wdtr_able */ - 0x5555, /* 04 sdtr_speed1 */ - 0xFFFF, /* 05 start_motor */ - 0xFFFF, /* 06 tagqng_able */ - 0xFFFF, /* 07 bios_scan */ - 0, /* 08 scam_tolerant */ - 7, /* 09 adapter_scsi_id */ - 0, /* bios_boot_delay */ - 3, /* 10 scsi_reset_delay */ - 0, /* bios_id_lun */ - 0, /* 11 termination_se */ - 0, /* termination_lvd */ - 0xFFE7, /* 12 bios_ctrl */ - 0x5555, /* 13 sdtr_speed2 */ - 0x5555, /* 14 sdtr_speed3 */ - ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */ - ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */ - 0, /* 16 dvc_cntl */ - 0x5555, /* 17 sdtr_speed4 */ - 0, /* 18 serial_number_word1 */ - 0, /* 19 serial_number_word2 */ - 0, /* 20 serial_number_word3 */ - 0, /* 21 check_sum */ - { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, /* 22-29 oem_name[16] */ - 0, /* 30 dvc_err_code */ - 0, /* 31 adv_err_code */ - 0, /* 32 adv_err_addr */ - 0, /* 33 saved_dvc_err_code */ - 0, /* 34 saved_adv_err_code */ - 0, /* 35 saved_adv_err_addr */ - 0, /* 36 reserved */ - 0, /* 37 reserved */ - 0, /* 38 reserved */ - 0, /* 39 reserved */ - 0, /* 40 reserved */ - 0, /* 41 reserved */ - 0, /* 42 reserved */ - 0, /* 43 reserved */ - 0, /* 44 reserved */ - 0, /* 45 reserved */ - 0, /* 46 reserved */ - 0, /* 47 reserved */ - 0, /* 48 reserved */ - 0, /* 49 reserved */ - 0, /* 50 reserved */ - 0, /* 51 reserved */ - 0, /* 52 reserved */ - 0, /* 53 reserved */ - 0, /* 54 reserved */ - 0, /* 55 reserved */ - 0, /* 56 cisptr_lsw */ - 0, /* 57 cisprt_msw */ - PCI_VENDOR_ID_ASP, /* 58 subsysvid */ - PCI_DEVICE_ID_38C1600_REV1, /* 59 subsysid */ - 0, /* 60 reserved */ - 0, /* 61 reserved */ - 0, /* 62 reserved */ - 0 /* 63 reserved */ -}; - -STATIC ADVEEP_38C1600_CONFIG -ADVEEP_38C1600_Config_Field_IsChar __initdata = { - 0, /* 00 cfg_lsw */ - 0, /* 01 cfg_msw */ - 0, /* 02 disc_enable */ - 0, /* 03 wdtr_able */ - 0, /* 04 sdtr_speed1 */ - 0, /* 05 start_motor */ - 0, /* 06 tagqng_able */ - 0, /* 07 bios_scan */ - 0, /* 08 scam_tolerant */ - 1, /* 09 adapter_scsi_id */ - 1, /* bios_boot_delay */ - 1, /* 10 scsi_reset_delay */ - 1, /* bios_id_lun */ - 1, /* 11 termination_se */ - 1, /* termination_lvd */ - 0, /* 12 bios_ctrl */ - 0, /* 13 sdtr_speed2 */ - 0, /* 14 sdtr_speed3 */ - 1, /* 15 max_host_qng */ - 1, /* max_dvc_qng */ - 0, /* 16 dvc_cntl */ - 0, /* 17 sdtr_speed4 */ - 0, /* 18 serial_number_word1 */ - 0, /* 19 serial_number_word2 */ - 0, /* 20 serial_number_word3 */ - 0, /* 21 check_sum */ - { 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }, /* 22-29 oem_name[16] */ - 0, /* 30 dvc_err_code */ - 0, /* 31 adv_err_code */ - 0, /* 32 adv_err_addr */ - 0, /* 33 saved_dvc_err_code */ - 0, /* 34 saved_adv_err_code */ - 0, /* 35 saved_adv_err_addr */ - 0, /* 36 reserved */ - 0, /* 37 reserved */ - 0, /* 38 reserved */ - 0, /* 39 reserved */ - 0, /* 40 reserved */ - 0, /* 41 reserved */ - 0, /* 42 reserved */ - 0, /* 43 reserved */ - 0, /* 44 reserved */ - 0, /* 45 reserved */ - 0, /* 46 reserved */ - 0, /* 47 reserved */ - 0, /* 48 reserved */ - 0, /* 49 reserved */ - 0, /* 50 reserved */ - 0, /* 51 reserved */ - 0, /* 52 reserved */ - 0, /* 53 reserved */ - 0, /* 54 reserved */ - 0, /* 55 reserved */ - 0, /* 56 cisptr_lsw */ - 0, /* 57 cisprt_msw */ - 0, /* 58 subsysvid */ - 0, /* 59 subsysid */ - 0, /* 60 reserved */ - 0, /* 61 reserved */ - 0, /* 62 reserved */ - 0 /* 63 reserved */ -}; +static ushort __devinit +AdvGet38C1600EEPConfig(AdvPortAddr iop_base, ADVEEP_38C1600_CONFIG *cfg_buf) +{ + ushort wval, chksum; + ushort *wbuf; + int eep_addr; + ushort *charfields; + + charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar; + wbuf = (ushort *)cfg_buf; + chksum = 0; + + for (eep_addr = ADV_EEP_DVC_CFG_BEGIN; + eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) { + wval = AdvReadEEPWord(iop_base, eep_addr); + chksum += wval; /* Checksum is calculated from word values. */ + if (*charfields++) { + *wbuf = le16_to_cpu(wval); + } else { + *wbuf = wval; + } + } + /* Read checksum word. */ + *wbuf = AdvReadEEPWord(iop_base, eep_addr); + wbuf++; + charfields++; + + /* Read rest of EEPROM not covered by the checksum. */ + for (eep_addr = ADV_EEP_DVC_CTL_BEGIN; + eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) { + *wbuf = AdvReadEEPWord(iop_base, eep_addr); + if (*charfields++) { + *wbuf = le16_to_cpu(*wbuf); + } + } + return chksum; +} /* - * Initialize the ADV_DVC_VAR structure. + * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and + * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while + * all of this is done. * * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. * * For a non-fatal error return a warning code. If there are no warnings * then 0 is returned. + * + * Note: Chip is stopped on entry. */ -STATIC int __init -AdvInitGetConfig(ADV_DVC_VAR *asc_dvc) +static int __devinit AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc) { - ushort warn_code; - AdvPortAddr iop_base; - uchar pci_cmd_reg; - int status; - - warn_code = 0; - asc_dvc->err_code = 0; - iop_base = asc_dvc->iop_base; - - /* - * PCI Command Register - * - * Note: AscPCICmdRegBits_BusMastering definition (0x0007) includes - * I/O Space Control, Memory Space Control and Bus Master Control bits. - */ - - if (((pci_cmd_reg = DvcAdvReadPCIConfigByte(asc_dvc, - AscPCIConfigCommandRegister)) - & AscPCICmdRegBits_BusMastering) - != AscPCICmdRegBits_BusMastering) - { - pci_cmd_reg |= AscPCICmdRegBits_BusMastering; - - DvcAdvWritePCIConfigByte(asc_dvc, - AscPCIConfigCommandRegister, pci_cmd_reg); - - if (((DvcAdvReadPCIConfigByte(asc_dvc, AscPCIConfigCommandRegister)) - & AscPCICmdRegBits_BusMastering) - != AscPCICmdRegBits_BusMastering) - { - warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; - } - } + AdvPortAddr iop_base; + ushort warn_code; + ADVEEP_3550_CONFIG eep_config; - /* - * PCI Latency Timer - * - * If the "latency timer" register is 0x20 or above, then we don't need - * to change it. Otherwise, set it to 0x20 (i.e. set it to 0x20 if it - * comes up less than 0x20). - */ - if (DvcAdvReadPCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer) < 0x20) { - DvcAdvWritePCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer, 0x20); - if (DvcAdvReadPCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer) < 0x20) - { - warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; - } - } + iop_base = asc_dvc->iop_base; - /* - * Save the state of the PCI Configuration Command Register - * "Parity Error Response Control" Bit. If the bit is clear (0), - * in AdvInitAsc3550/38C0800Driver() tell the microcode to ignore - * DMA parity errors. - */ - asc_dvc->cfg->control_flag = 0; - if (((DvcAdvReadPCIConfigByte(asc_dvc, AscPCIConfigCommandRegister) - & AscPCICmdRegBits_ParErrRespCtrl)) == 0) - { - asc_dvc->cfg->control_flag |= CONTROL_FLAG_IGNORE_PERR; - } + warn_code = 0; - asc_dvc->cfg->lib_version = (ADV_LIB_VERSION_MAJOR << 8) | - ADV_LIB_VERSION_MINOR; - asc_dvc->cfg->chip_version = - AdvGetChipVersion(iop_base, asc_dvc->bus_type); - - ASC_DBG2(1, "AdvInitGetConfig: iopb_chip_id_1: 0x%x 0x%x\n", - (ushort) AdvReadByteRegister(iop_base, IOPB_CHIP_ID_1), - (ushort) ADV_CHIP_ID_BYTE); - - ASC_DBG2(1, "AdvInitGetConfig: iopw_chip_id_0: 0x%x 0x%x\n", - (ushort) AdvReadWordRegister(iop_base, IOPW_CHIP_ID_0), - (ushort) ADV_CHIP_ID_WORD); - - /* - * Reset the chip to start and allow register writes. - */ - if (AdvFindSignature(iop_base) == 0) - { - asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; - return ADV_ERROR; - } - else { - /* - * The caller must set 'chip_type' to a valid setting. - */ - if (asc_dvc->chip_type != ADV_CHIP_ASC3550 && - asc_dvc->chip_type != ADV_CHIP_ASC38C0800 && - asc_dvc->chip_type != ADV_CHIP_ASC38C1600) - { - asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE; - return ADV_ERROR; - } - - /* - * Reset Chip. - */ - AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, - ADV_CTRL_REG_CMD_RESET); - DvcSleepMilliSecond(100); - AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, - ADV_CTRL_REG_CMD_WR_IO_REG); - - if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) - { - if ((status = AdvInitFrom38C1600EEP(asc_dvc)) == ADV_ERROR) - { - return ADV_ERROR; - } - } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) - { - if ((status = AdvInitFrom38C0800EEP(asc_dvc)) == ADV_ERROR) - { - return ADV_ERROR; - } - } else - { - if ((status = AdvInitFrom3550EEP(asc_dvc)) == ADV_ERROR) - { - return ADV_ERROR; - } - } - warn_code |= status; - } + /* + * Read the board's EEPROM configuration. + * + * Set default values if a bad checksum is found. + */ + if (AdvGet3550EEPConfig(iop_base, &eep_config) != eep_config.check_sum) { + warn_code |= ASC_WARN_EEPROM_CHKSUM; + + /* + * Set EEPROM default values. + */ + memcpy(&eep_config, &Default_3550_EEPROM_Config, + sizeof(ADVEEP_3550_CONFIG)); + + /* + * Assume the 6 byte board serial number that was read from + * EEPROM is correct even if the EEPROM checksum failed. + */ + eep_config.serial_number_word3 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1); + + eep_config.serial_number_word2 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2); + + eep_config.serial_number_word1 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3); + + AdvSet3550EEPConfig(iop_base, &eep_config); + } + /* + * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the + * EEPROM configuration that was read. + * + * This is the mapping of EEPROM fields to Adv Library fields. + */ + asc_dvc->wdtr_able = eep_config.wdtr_able; + asc_dvc->sdtr_able = eep_config.sdtr_able; + asc_dvc->ultra_able = eep_config.ultra_able; + asc_dvc->tagqng_able = eep_config.tagqng_able; + asc_dvc->cfg->disc_enable = eep_config.disc_enable; + asc_dvc->max_host_qng = eep_config.max_host_qng; + asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; + asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID); + asc_dvc->start_motor = eep_config.start_motor; + asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay; + asc_dvc->bios_ctrl = eep_config.bios_ctrl; + asc_dvc->no_scam = eep_config.scam_tolerant; + asc_dvc->cfg->serial1 = eep_config.serial_number_word1; + asc_dvc->cfg->serial2 = eep_config.serial_number_word2; + asc_dvc->cfg->serial3 = eep_config.serial_number_word3; + + /* + * Set the host maximum queuing (max. 253, min. 16) and the per device + * maximum queuing (max. 63, min. 4). + */ + if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) { + eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; + } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) { + /* If the value is zero, assume it is uninitialized. */ + if (eep_config.max_host_qng == 0) { + eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; + } else { + eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG; + } + } + + if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) { + eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; + } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) { + /* If the value is zero, assume it is uninitialized. */ + if (eep_config.max_dvc_qng == 0) { + eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; + } else { + eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG; + } + } + + /* + * If 'max_dvc_qng' is greater than 'max_host_qng', then + * set 'max_dvc_qng' to 'max_host_qng'. + */ + if (eep_config.max_dvc_qng > eep_config.max_host_qng) { + eep_config.max_dvc_qng = eep_config.max_host_qng; + } + + /* + * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng' + * values based on possibly adjusted EEPROM values. + */ + asc_dvc->max_host_qng = eep_config.max_host_qng; + asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; + + /* + * If the EEPROM 'termination' field is set to automatic (0), then set + * the ADV_DVC_CFG 'termination' field to automatic also. + * + * If the termination is specified with a non-zero 'termination' + * value check that a legal value is set and set the ADV_DVC_CFG + * 'termination' field appropriately. + */ + if (eep_config.termination == 0) { + asc_dvc->cfg->termination = 0; /* auto termination */ + } else { + /* Enable manual control with low off / high off. */ + if (eep_config.termination == 1) { + asc_dvc->cfg->termination = TERM_CTL_SEL; + + /* Enable manual control with low off / high on. */ + } else if (eep_config.termination == 2) { + asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H; + + /* Enable manual control with low on / high on. */ + } else if (eep_config.termination == 3) { + asc_dvc->cfg->termination = + TERM_CTL_SEL | TERM_CTL_H | TERM_CTL_L; + } else { + /* + * The EEPROM 'termination' field contains a bad value. Use + * automatic termination instead. + */ + asc_dvc->cfg->termination = 0; + warn_code |= ASC_WARN_EEPROM_TERMINATION; + } + } - return warn_code; + return warn_code; } /* - * Initialize the ASC-3550. + * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and + * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while + * all of this is done. * * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. * * For a non-fatal error return a warning code. If there are no warnings * then 0 is returned. * - * Needed after initialization for error recovery. + * Note: Chip is stopped on entry. */ -STATIC int -AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc) +static int __devinit AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc) { - AdvPortAddr iop_base; - ushort warn_code; - ADV_DCNT sum; - int begin_addr; - int end_addr; - ushort code_sum; - int word; - int j; - int adv_asc3550_expanded_size; - ADV_CARR_T *carrp; - ADV_DCNT contig_len; - ADV_SDCNT buf_size; - ADV_PADDR carr_paddr; - int i; - ushort scsi_cfg1; - uchar tid; - ushort bios_mem[ASC_MC_BIOSLEN/2]; /* BIOS RISC Memory 0x40-0x8F. */ - ushort wdtr_able = 0, sdtr_able, tagqng_able; - uchar max_cmd[ADV_MAX_TID + 1]; - - /* If there is already an error, don't continue. */ - if (asc_dvc->err_code != 0) - { - return ADV_ERROR; - } + AdvPortAddr iop_base; + ushort warn_code; + ADVEEP_38C0800_CONFIG eep_config; + uchar tid, termination; + ushort sdtr_speed = 0; - /* - * The caller must set 'chip_type' to ADV_CHIP_ASC3550. - */ - if (asc_dvc->chip_type != ADV_CHIP_ASC3550) - { - asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE; - return ADV_ERROR; - } - - warn_code = 0; - iop_base = asc_dvc->iop_base; - - /* - * Save the RISC memory BIOS region before writing the microcode. - * The BIOS may already be loaded and using its RISC LRAM region - * so its region must be saved and restored. - * - * Note: This code makes the assumption, which is currently true, - * that a chip reset does not clear RISC LRAM. - */ - for (i = 0; i < ASC_MC_BIOSLEN/2; i++) - { - AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), bios_mem[i]); - } - - /* - * Save current per TID negotiated values. - */ - if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM)/2] == 0x55AA) - { - ushort bios_version, major, minor; - - bios_version = bios_mem[(ASC_MC_BIOS_VERSION - ASC_MC_BIOSMEM)/2]; - major = (bios_version >> 12) & 0xF; - minor = (bios_version >> 8) & 0xF; - if (major < 3 || (major == 3 && minor == 1)) - { - /* BIOS 3.1 and earlier location of 'wdtr_able' variable. */ - AdvReadWordLram(iop_base, 0x120, wdtr_able); - } else - { - AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - } - } - AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - for (tid = 0; tid <= ADV_MAX_TID; tid++) - { - AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - max_cmd[tid]); - } - - /* - * Load the Microcode - * - * Write the microcode image to RISC memory starting at address 0. - */ - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); - /* Assume the following compressed format of the microcode buffer: - * - * 254 word (508 byte) table indexed by byte code followed - * by the following byte codes: - * - * 1-Byte Code: - * 00: Emit word 0 in table. - * 01: Emit word 1 in table. - * . - * FD: Emit word 253 in table. - * - * Multi-Byte Code: - * FE WW WW: (3 byte code) Word to emit is the next word WW WW. - * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW. - */ - word = 0; - for (i = 253 * 2; i < _adv_asc3550_size; i++) - { - if (_adv_asc3550_buf[i] == 0xff) - { - for (j = 0; j < _adv_asc3550_buf[i + 1]; j++) - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc3550_buf[i + 3] << 8) | - _adv_asc3550_buf[i + 2])); - word++; - } - i += 3; - } else if (_adv_asc3550_buf[i] == 0xfe) - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc3550_buf[i + 2] << 8) | - _adv_asc3550_buf[i + 1])); - i += 2; - word++; - } else - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc3550_buf[(_adv_asc3550_buf[i] * 2) + 1] << 8) | - _adv_asc3550_buf[_adv_asc3550_buf[i] * 2])); - word++; - } - } + iop_base = asc_dvc->iop_base; - /* - * Set 'word' for later use to clear the rest of memory and save - * the expanded mcode size. - */ - word *= 2; - adv_asc3550_expanded_size = word; - - /* - * Clear the rest of ASC-3550 Internal RAM (8KB). - */ - for (; word < ADV_3550_MEMSIZE; word += 2) - { - AdvWriteWordAutoIncLram(iop_base, 0); - } - - /* - * Verify the microcode checksum. - */ - sum = 0; - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); - - for (word = 0; word < adv_asc3550_expanded_size; word += 2) - { - sum += AdvReadWordAutoIncLram(iop_base); - } - - if (sum != _adv_asc3550_chksum) - { - asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM; - return ADV_ERROR; - } - - /* - * Restore the RISC memory BIOS region. - */ - for (i = 0; i < ASC_MC_BIOSLEN/2; i++) - { - AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), bios_mem[i]); - } + warn_code = 0; - /* - * Calculate and write the microcode code checksum to the microcode - * code checksum location ASC_MC_CODE_CHK_SUM (0x2C). - */ - AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr); - AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr); - code_sum = 0; - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr); - for (word = begin_addr; word < end_addr; word += 2) - { - code_sum += AdvReadWordAutoIncLram(iop_base); - } - AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum); - - /* - * Read and save microcode version and date. - */ - AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE, asc_dvc->cfg->mcode_date); - AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM, asc_dvc->cfg->mcode_version); - - /* - * Set the chip type to indicate the ASC3550. - */ - AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC3550); - - /* - * If the PCI Configuration Command Register "Parity Error Response - * Control" Bit was clear (0), then set the microcode variable - * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode - * to ignore DMA parity errors. - */ - if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) - { - AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); - word |= CONTROL_FLAG_IGNORE_PERR; - AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); - } + /* + * Read the board's EEPROM configuration. + * + * Set default values if a bad checksum is found. + */ + if (AdvGet38C0800EEPConfig(iop_base, &eep_config) != + eep_config.check_sum) { + warn_code |= ASC_WARN_EEPROM_CHKSUM; - /* - * For ASC-3550, setting the START_CTL_EMFU [3:2] bits sets a FIFO - * threshold of 128 bytes. This register is only accessible to the host. - */ - AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0, - START_CTL_EMFU | READ_CMD_MRM); - - /* - * Microcode operating variables for WDTR, SDTR, and command tag - * queuing will be set in AdvInquiryHandling() based on what a - * device reports it is capable of in Inquiry byte 7. - * - * If SCSI Bus Resets have been disabled, then directly set - * SDTR and WDTR from the EEPROM configuration. This will allow - * the BIOS and warm boot to work without a SCSI bus hang on - * the Inquiry caused by host and target mismatched DTR values. - * Without the SCSI Bus Reset, before an Inquiry a device can't - * be assumed to be in Asynchronous, Narrow mode. - */ - if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) - { - AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, asc_dvc->wdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, asc_dvc->sdtr_able); - } + /* + * Set EEPROM default values. + */ + memcpy(&eep_config, &Default_38C0800_EEPROM_Config, + sizeof(ADVEEP_38C0800_CONFIG)); - /* - * Set microcode operating variables for SDTR_SPEED1, SDTR_SPEED2, - * SDTR_SPEED3, and SDTR_SPEED4 based on the ULTRA EEPROM per TID - * bitmask. These values determine the maximum SDTR speed negotiated - * with a device. - * - * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2, - * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them - * without determining here whether the device supports SDTR. - * - * 4-bit speed SDTR speed name - * =========== =============== - * 0000b (0x0) SDTR disabled - * 0001b (0x1) 5 Mhz - * 0010b (0x2) 10 Mhz - * 0011b (0x3) 20 Mhz (Ultra) - * 0100b (0x4) 40 Mhz (LVD/Ultra2) - * 0101b (0x5) 80 Mhz (LVD2/Ultra3) - * 0110b (0x6) Undefined - * . - * 1111b (0xF) Undefined - */ - word = 0; - for (tid = 0; tid <= ADV_MAX_TID; tid++) - { - if (ADV_TID_TO_TIDMASK(tid) & asc_dvc->ultra_able) - { - /* Set Ultra speed for TID 'tid'. */ - word |= (0x3 << (4 * (tid % 4))); - } else - { - /* Set Fast speed for TID 'tid'. */ - word |= (0x2 << (4 * (tid % 4))); - } - if (tid == 3) /* Check if done with sdtr_speed1. */ - { - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, word); - word = 0; - } else if (tid == 7) /* Check if done with sdtr_speed2. */ - { - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, word); - word = 0; - } else if (tid == 11) /* Check if done with sdtr_speed3. */ - { - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, word); - word = 0; - } else if (tid == 15) /* Check if done with sdtr_speed4. */ - { - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, word); - /* End of loop. */ - } - } + /* + * Assume the 6 byte board serial number that was read from + * EEPROM is correct even if the EEPROM checksum failed. + */ + eep_config.serial_number_word3 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1); - /* - * Set microcode operating variable for the disconnect per TID bitmask. - */ - AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE, asc_dvc->cfg->disc_enable); - - /* - * Set SCSI_CFG0 Microcode Default Value. - * - * The microcode will set the SCSI_CFG0 register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0, - PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN | - asc_dvc->chip_scsi_id); - - /* - * Determine SCSI_CFG1 Microcode Default Value. - * - * The microcode will set the SCSI_CFG1 register using this value - * after it is started below. - */ - - /* Read current SCSI_CFG1 Register value. */ - scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); - - /* - * If all three connectors are in use, return an error. - */ - if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 || - (scsi_cfg1 & CABLE_ILLEGAL_B) == 0) - { - asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION; - return ADV_ERROR; - } + eep_config.serial_number_word2 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2); - /* - * If the internal narrow cable is reversed all of the SCSI_CTRL - * register signals will be set. Check for and return an error if - * this condition is found. - */ - if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) - { - asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE; - return ADV_ERROR; - } + eep_config.serial_number_word1 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3); - /* - * If this is a differential board and a single-ended device - * is attached to one of the connectors, return an error. - */ - if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) - { - asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE; - return ADV_ERROR; - } + AdvSet38C0800EEPConfig(iop_base, &eep_config); + } + /* + * Set ADV_DVC_VAR and ADV_DVC_CFG variables from the + * EEPROM configuration that was read. + * + * This is the mapping of EEPROM fields to Adv Library fields. + */ + asc_dvc->wdtr_able = eep_config.wdtr_able; + asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1; + asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2; + asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3; + asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4; + asc_dvc->tagqng_able = eep_config.tagqng_able; + asc_dvc->cfg->disc_enable = eep_config.disc_enable; + asc_dvc->max_host_qng = eep_config.max_host_qng; + asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; + asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID); + asc_dvc->start_motor = eep_config.start_motor; + asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay; + asc_dvc->bios_ctrl = eep_config.bios_ctrl; + asc_dvc->no_scam = eep_config.scam_tolerant; + asc_dvc->cfg->serial1 = eep_config.serial_number_word1; + asc_dvc->cfg->serial2 = eep_config.serial_number_word2; + asc_dvc->cfg->serial3 = eep_config.serial_number_word3; + + /* + * For every Target ID if any of its 'sdtr_speed[1234]' bits + * are set, then set an 'sdtr_able' bit for it. + */ + asc_dvc->sdtr_able = 0; + for (tid = 0; tid <= ADV_MAX_TID; tid++) { + if (tid == 0) { + sdtr_speed = asc_dvc->sdtr_speed1; + } else if (tid == 4) { + sdtr_speed = asc_dvc->sdtr_speed2; + } else if (tid == 8) { + sdtr_speed = asc_dvc->sdtr_speed3; + } else if (tid == 12) { + sdtr_speed = asc_dvc->sdtr_speed4; + } + if (sdtr_speed & ADV_MAX_TID) { + asc_dvc->sdtr_able |= (1 << tid); + } + sdtr_speed >>= 4; + } - /* - * If automatic termination control is enabled, then set the - * termination value based on a table listed in a_condor.h. - * - * If manual termination was specified with an EEPROM setting - * then 'termination' was set-up in AdvInitFrom3550EEPROM() and - * is ready to be 'ored' into SCSI_CFG1. - */ - if (asc_dvc->cfg->termination == 0) - { - /* - * The software always controls termination by setting TERM_CTL_SEL. - * If TERM_CTL_SEL were set to 0, the hardware would set termination. - */ - asc_dvc->cfg->termination |= TERM_CTL_SEL; - - switch(scsi_cfg1 & CABLE_DETECT) - { - /* TERM_CTL_H: on, TERM_CTL_L: on */ - case 0x3: case 0x7: case 0xB: case 0xD: case 0xE: case 0xF: - asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L); - break; - - /* TERM_CTL_H: on, TERM_CTL_L: off */ - case 0x1: case 0x5: case 0x9: case 0xA: case 0xC: - asc_dvc->cfg->termination |= TERM_CTL_H; - break; - - /* TERM_CTL_H: off, TERM_CTL_L: off */ - case 0x2: case 0x6: - break; - } - } + /* + * Set the host maximum queuing (max. 253, min. 16) and the per device + * maximum queuing (max. 63, min. 4). + */ + if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) { + eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; + } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) { + /* If the value is zero, assume it is uninitialized. */ + if (eep_config.max_host_qng == 0) { + eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; + } else { + eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG; + } + } - /* - * Clear any set TERM_CTL_H and TERM_CTL_L bits. - */ - scsi_cfg1 &= ~TERM_CTL; - - /* - * Invert the TERM_CTL_H and TERM_CTL_L bits and then - * set 'scsi_cfg1'. The TERM_POL bit does not need to be - * referenced, because the hardware internally inverts - * the Termination High and Low bits if TERM_POL is set. - */ - scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL)); - - /* - * Set SCSI_CFG1 Microcode Default Value - * - * Set filter value and possibly modified termination control - * bits in the Microcode SCSI_CFG1 Register Value. - * - * The microcode will set the SCSI_CFG1 register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, - FLTR_DISABLE | scsi_cfg1); - - /* - * Set MEM_CFG Microcode Default Value - * - * The microcode will set the MEM_CFG register using this value - * after it is started below. - * - * MEM_CFG may be accessed as a word or byte, but only bits 0-7 - * are defined. - * - * ASC-3550 has 8KB internal memory. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG, - BIOS_EN | RAM_SZ_8KB); - - /* - * Set SEL_MASK Microcode Default Value - * - * The microcode will set the SEL_MASK register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK, - ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id)); - - /* - * Build carrier freelist. - * - * Driver must have already allocated memory and set 'carrier_buf'. - */ - ASC_ASSERT(asc_dvc->carrier_buf != NULL); - - carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf); - asc_dvc->carr_freelist = NULL; - if (carrp == (ADV_CARR_T *) asc_dvc->carrier_buf) - { - buf_size = ADV_CARRIER_BUFSIZE; - } else - { - buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T); - } + if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) { + eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; + } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) { + /* If the value is zero, assume it is uninitialized. */ + if (eep_config.max_dvc_qng == 0) { + eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; + } else { + eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG; + } + } - do { - /* - * Get physical address of the carrier 'carrp'. - */ - contig_len = sizeof(ADV_CARR_T); - carr_paddr = cpu_to_le32(DvcGetPhyAddr(asc_dvc, NULL, (uchar *) carrp, - (ADV_SDCNT *) &contig_len, ADV_IS_CARRIER_FLAG)); - - buf_size -= sizeof(ADV_CARR_T); - - /* - * If the current carrier is not physically contiguous, then - * maybe there was a page crossing. Try the next carrier aligned - * start address. - */ - if (contig_len < sizeof(ADV_CARR_T)) - { - carrp++; - continue; - } - - carrp->carr_pa = carr_paddr; - carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp)); - - /* - * Insert the carrier at the beginning of the freelist. - */ - carrp->next_vpa = cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist)); - asc_dvc->carr_freelist = carrp; - - carrp++; - } - while (buf_size > 0); + /* + * If 'max_dvc_qng' is greater than 'max_host_qng', then + * set 'max_dvc_qng' to 'max_host_qng'. + */ + if (eep_config.max_dvc_qng > eep_config.max_host_qng) { + eep_config.max_dvc_qng = eep_config.max_host_qng; + } - /* - * Set-up the Host->RISC Initiator Command Queue (ICQ). - */ + /* + * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng' + * values based on possibly adjusted EEPROM values. + */ + asc_dvc->max_host_qng = eep_config.max_host_qng; + asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; + + /* + * If the EEPROM 'termination' field is set to automatic (0), then set + * the ADV_DVC_CFG 'termination' field to automatic also. + * + * If the termination is specified with a non-zero 'termination' + * value check that a legal value is set and set the ADV_DVC_CFG + * 'termination' field appropriately. + */ + if (eep_config.termination_se == 0) { + termination = 0; /* auto termination for SE */ + } else { + /* Enable manual control with low off / high off. */ + if (eep_config.termination_se == 1) { + termination = 0; + + /* Enable manual control with low off / high on. */ + } else if (eep_config.termination_se == 2) { + termination = TERM_SE_HI; + + /* Enable manual control with low on / high on. */ + } else if (eep_config.termination_se == 3) { + termination = TERM_SE; + } else { + /* + * The EEPROM 'termination_se' field contains a bad value. + * Use automatic termination instead. + */ + termination = 0; + warn_code |= ASC_WARN_EEPROM_TERMINATION; + } + } - if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) - { - asc_dvc->err_code |= ASC_IERR_NO_CARRIER; - return ADV_ERROR; - } - asc_dvc->carr_freelist = (ADV_CARR_T *) - ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa)); - - /* - * The first command issued will be placed in the stopper carrier. - */ - asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); - - /* - * Set RISC ICQ physical address start value. - */ - AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa); - - /* - * Set-up the RISC->Host Initiator Response Queue (IRQ). - */ - if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) - { - asc_dvc->err_code |= ASC_IERR_NO_CARRIER; - return ADV_ERROR; - } - asc_dvc->carr_freelist = (ADV_CARR_T *) - ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa)); - - /* - * The first command completed by the RISC will be placed in - * the stopper. - * - * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is - * completed the RISC will set the ASC_RQ_STOPPER bit. - */ - asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); - - /* - * Set RISC IRQ physical address start value. - */ - AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa); - asc_dvc->carr_pending_cnt = 0; - - AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES, - (ADV_INTR_ENABLE_HOST_INTR | ADV_INTR_ENABLE_GLOBAL_INTR)); - - AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word); - AdvWriteWordRegister(iop_base, IOPW_PC, word); - - /* finally, finally, gentlemen, start your engine */ - AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN); - - /* - * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus - * Resets should be performed. The RISC has to be running - * to issue a SCSI Bus Reset. - */ - if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) - { - /* - * If the BIOS Signature is present in memory, restore the - * BIOS Handshake Configuration Table and do not perform - * a SCSI Bus Reset. - */ - if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM)/2] == 0x55AA) - { - /* - * Restore per TID negotiated values. - */ - AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - for (tid = 0; tid <= ADV_MAX_TID; tid++) - { - AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - max_cmd[tid]); - } - } else - { - if (AdvResetSB(asc_dvc) != ADV_TRUE) - { - warn_code = ASC_WARN_BUSRESET_ERROR; - } - } - } + if (eep_config.termination_lvd == 0) { + asc_dvc->cfg->termination = termination; /* auto termination for LVD */ + } else { + /* Enable manual control with low off / high off. */ + if (eep_config.termination_lvd == 1) { + asc_dvc->cfg->termination = termination; + + /* Enable manual control with low off / high on. */ + } else if (eep_config.termination_lvd == 2) { + asc_dvc->cfg->termination = termination | TERM_LVD_HI; + + /* Enable manual control with low on / high on. */ + } else if (eep_config.termination_lvd == 3) { + asc_dvc->cfg->termination = termination | TERM_LVD; + } else { + /* + * The EEPROM 'termination_lvd' field contains a bad value. + * Use automatic termination instead. + */ + asc_dvc->cfg->termination = termination; + warn_code |= ASC_WARN_EEPROM_TERMINATION; + } + } - return warn_code; + return warn_code; } /* - * Initialize the ASC-38C0800. + * Read the board's EEPROM configuration. Set fields in ASC_DVC_VAR and + * ASC_DVC_CFG based on the EEPROM settings. The chip is stopped while + * all of this is done. * - * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. + * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR. * * For a non-fatal error return a warning code. If there are no warnings * then 0 is returned. * - * Needed after initialization for error recovery. + * Note: Chip is stopped on entry. */ -STATIC int -AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc) +static int __devinit AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc) { - AdvPortAddr iop_base; - ushort warn_code; - ADV_DCNT sum; - int begin_addr; - int end_addr; - ushort code_sum; - int word; - int j; - int adv_asc38C0800_expanded_size; - ADV_CARR_T *carrp; - ADV_DCNT contig_len; - ADV_SDCNT buf_size; - ADV_PADDR carr_paddr; - int i; - ushort scsi_cfg1; - uchar byte; - uchar tid; - ushort bios_mem[ASC_MC_BIOSLEN/2]; /* BIOS RISC Memory 0x40-0x8F. */ - ushort wdtr_able, sdtr_able, tagqng_able; - uchar max_cmd[ADV_MAX_TID + 1]; - - /* If there is already an error, don't continue. */ - if (asc_dvc->err_code != 0) - { - return ADV_ERROR; - } + AdvPortAddr iop_base; + ushort warn_code; + ADVEEP_38C1600_CONFIG eep_config; + uchar tid, termination; + ushort sdtr_speed = 0; - /* - * The caller must set 'chip_type' to ADV_CHIP_ASC38C0800. - */ - if (asc_dvc->chip_type != ADV_CHIP_ASC38C0800) - { - asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE; - return ADV_ERROR; - } + iop_base = asc_dvc->iop_base; - warn_code = 0; - iop_base = asc_dvc->iop_base; - - /* - * Save the RISC memory BIOS region before writing the microcode. - * The BIOS may already be loaded and using its RISC LRAM region - * so its region must be saved and restored. - * - * Note: This code makes the assumption, which is currently true, - * that a chip reset does not clear RISC LRAM. - */ - for (i = 0; i < ASC_MC_BIOSLEN/2; i++) - { - AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), bios_mem[i]); - } + warn_code = 0; - /* - * Save current per TID negotiated values. - */ - AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - for (tid = 0; tid <= ADV_MAX_TID; tid++) - { - AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - max_cmd[tid]); - } + /* + * Read the board's EEPROM configuration. + * + * Set default values if a bad checksum is found. + */ + if (AdvGet38C1600EEPConfig(iop_base, &eep_config) != + eep_config.check_sum) { + struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc); + warn_code |= ASC_WARN_EEPROM_CHKSUM; - /* - * RAM BIST (RAM Built-In Self Test) - * - * Address : I/O base + offset 0x38h register (byte). - * Function: Bit 7-6(RW) : RAM mode - * Normal Mode : 0x00 - * Pre-test Mode : 0x40 - * RAM Test Mode : 0x80 - * Bit 5 : unused - * Bit 4(RO) : Done bit - * Bit 3-0(RO) : Status - * Host Error : 0x08 - * Int_RAM Error : 0x04 - * RISC Error : 0x02 - * SCSI Error : 0x01 - * No Error : 0x00 - * - * Note: RAM BIST code should be put right here, before loading the - * microcode and after saving the RISC memory BIOS region. - */ - - /* - * LRAM Pre-test - * - * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds. - * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return - * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset - * to NORMAL_MODE, return an error too. - */ - for (i = 0; i < 2; i++) - { - AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE); - DvcSleepMilliSecond(10); /* Wait for 10ms before reading back. */ - byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST); - if ((byte & RAM_TEST_DONE) == 0 || (byte & 0x0F) != PRE_TEST_VALUE) - { - asc_dvc->err_code |= ASC_IERR_BIST_PRE_TEST; - return ADV_ERROR; - } - - AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE); - DvcSleepMilliSecond(10); /* Wait for 10ms before reading back. */ - if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST) - != NORMAL_VALUE) - { - asc_dvc->err_code |= ASC_IERR_BIST_PRE_TEST; - return ADV_ERROR; - } - } + /* + * Set EEPROM default values. + */ + memcpy(&eep_config, &Default_38C1600_EEPROM_Config, + sizeof(ADVEEP_38C1600_CONFIG)); + + if (PCI_FUNC(pdev->devfn) != 0) { + u8 ints; + /* + * Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60 + * and old Mac system booting problem. The Expansion + * ROM must be disabled in Function 1 for these systems + */ + eep_config.cfg_lsw &= ~ADV_EEPROM_BIOS_ENABLE; + /* + * Clear the INTAB (bit 11) if the GPIO 0 input + * indicates the Function 1 interrupt line is wired + * to INTB. + * + * Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input: + * 1 - Function 1 interrupt line wired to INT A. + * 0 - Function 1 interrupt line wired to INT B. + * + * Note: Function 0 is always wired to INTA. + * Put all 5 GPIO bits in input mode and then read + * their input values. + */ + AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0); + ints = AdvReadByteRegister(iop_base, IOPB_GPIO_DATA); + if ((ints & 0x01) == 0) + eep_config.cfg_lsw &= ~ADV_EEPROM_INTAB; + } - /* - * LRAM Test - It takes about 1.5 ms to run through the test. - * - * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds. - * If Done bit not set or Status not 0, save register byte, set the - * err_code, and return an error. - */ - AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE); - DvcSleepMilliSecond(10); /* Wait for 10ms before checking status. */ - - byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST); - if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) - { - /* Get here if Done bit not set or Status not 0. */ - asc_dvc->bist_err_code = byte; /* for BIOS display message */ - asc_dvc->err_code |= ASC_IERR_BIST_RAM_TEST; - return ADV_ERROR; - } + /* + * Assume the 6 byte board serial number that was read from + * EEPROM is correct even if the EEPROM checksum failed. + */ + eep_config.serial_number_word3 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1); + eep_config.serial_number_word2 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2); + eep_config.serial_number_word1 = + AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3); + + AdvSet38C1600EEPConfig(iop_base, &eep_config); + } - /* We need to reset back to normal mode after LRAM test passes. */ - AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE); - - /* - * Load the Microcode - * - * Write the microcode image to RISC memory starting at address 0. - * - */ - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); - - /* Assume the following compressed format of the microcode buffer: - * - * 254 word (508 byte) table indexed by byte code followed - * by the following byte codes: - * - * 1-Byte Code: - * 00: Emit word 0 in table. - * 01: Emit word 1 in table. - * . - * FD: Emit word 253 in table. - * - * Multi-Byte Code: - * FE WW WW: (3 byte code) Word to emit is the next word WW WW. - * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW. - */ - word = 0; - for (i = 253 * 2; i < _adv_asc38C0800_size; i++) - { - if (_adv_asc38C0800_buf[i] == 0xff) - { - for (j = 0; j < _adv_asc38C0800_buf[i + 1]; j++) - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc38C0800_buf[i + 3] << 8) | - _adv_asc38C0800_buf[i + 2])); - word++; - } - i += 3; - } else if (_adv_asc38C0800_buf[i] == 0xfe) - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc38C0800_buf[i + 2] << 8) | - _adv_asc38C0800_buf[i + 1])); - i += 2; - word++; - } else - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc38C0800_buf[(_adv_asc38C0800_buf[i] * 2) + 1] << 8) | - _adv_asc38C0800_buf[_adv_asc38C0800_buf[i] * 2])); - word++; - } - } + /* + * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the + * EEPROM configuration that was read. + * + * This is the mapping of EEPROM fields to Adv Library fields. + */ + asc_dvc->wdtr_able = eep_config.wdtr_able; + asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1; + asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2; + asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3; + asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4; + asc_dvc->ppr_able = 0; + asc_dvc->tagqng_able = eep_config.tagqng_able; + asc_dvc->cfg->disc_enable = eep_config.disc_enable; + asc_dvc->max_host_qng = eep_config.max_host_qng; + asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; + asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ASC_MAX_TID); + asc_dvc->start_motor = eep_config.start_motor; + asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay; + asc_dvc->bios_ctrl = eep_config.bios_ctrl; + asc_dvc->no_scam = eep_config.scam_tolerant; + + /* + * For every Target ID if any of its 'sdtr_speed[1234]' bits + * are set, then set an 'sdtr_able' bit for it. + */ + asc_dvc->sdtr_able = 0; + for (tid = 0; tid <= ASC_MAX_TID; tid++) { + if (tid == 0) { + sdtr_speed = asc_dvc->sdtr_speed1; + } else if (tid == 4) { + sdtr_speed = asc_dvc->sdtr_speed2; + } else if (tid == 8) { + sdtr_speed = asc_dvc->sdtr_speed3; + } else if (tid == 12) { + sdtr_speed = asc_dvc->sdtr_speed4; + } + if (sdtr_speed & ASC_MAX_TID) { + asc_dvc->sdtr_able |= (1 << tid); + } + sdtr_speed >>= 4; + } - /* - * Set 'word' for later use to clear the rest of memory and save - * the expanded mcode size. - */ - word *= 2; - adv_asc38C0800_expanded_size = word; - - /* - * Clear the rest of ASC-38C0800 Internal RAM (16KB). - */ - for (; word < ADV_38C0800_MEMSIZE; word += 2) - { - AdvWriteWordAutoIncLram(iop_base, 0); - } + /* + * Set the host maximum queuing (max. 253, min. 16) and the per device + * maximum queuing (max. 63, min. 4). + */ + if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) { + eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; + } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) { + /* If the value is zero, assume it is uninitialized. */ + if (eep_config.max_host_qng == 0) { + eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; + } else { + eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG; + } + } - /* - * Verify the microcode checksum. - */ - sum = 0; - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); + if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) { + eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; + } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) { + /* If the value is zero, assume it is uninitialized. */ + if (eep_config.max_dvc_qng == 0) { + eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; + } else { + eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG; + } + } - for (word = 0; word < adv_asc38C0800_expanded_size; word += 2) - { - sum += AdvReadWordAutoIncLram(iop_base); - } - ASC_DBG2(1, "AdvInitAsc38C0800Driver: word %d, i %d\n", word, i); + /* + * If 'max_dvc_qng' is greater than 'max_host_qng', then + * set 'max_dvc_qng' to 'max_host_qng'. + */ + if (eep_config.max_dvc_qng > eep_config.max_host_qng) { + eep_config.max_dvc_qng = eep_config.max_host_qng; + } - ASC_DBG2(1, - "AdvInitAsc38C0800Driver: sum 0x%lx, _adv_asc38C0800_chksum 0x%lx\n", - (ulong) sum, (ulong) _adv_asc38C0800_chksum); + /* + * Set ASC_DVC_VAR 'max_host_qng' and ASC_DVC_VAR 'max_dvc_qng' + * values based on possibly adjusted EEPROM values. + */ + asc_dvc->max_host_qng = eep_config.max_host_qng; + asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; + + /* + * If the EEPROM 'termination' field is set to automatic (0), then set + * the ASC_DVC_CFG 'termination' field to automatic also. + * + * If the termination is specified with a non-zero 'termination' + * value check that a legal value is set and set the ASC_DVC_CFG + * 'termination' field appropriately. + */ + if (eep_config.termination_se == 0) { + termination = 0; /* auto termination for SE */ + } else { + /* Enable manual control with low off / high off. */ + if (eep_config.termination_se == 1) { + termination = 0; + + /* Enable manual control with low off / high on. */ + } else if (eep_config.termination_se == 2) { + termination = TERM_SE_HI; + + /* Enable manual control with low on / high on. */ + } else if (eep_config.termination_se == 3) { + termination = TERM_SE; + } else { + /* + * The EEPROM 'termination_se' field contains a bad value. + * Use automatic termination instead. + */ + termination = 0; + warn_code |= ASC_WARN_EEPROM_TERMINATION; + } + } - if (sum != _adv_asc38C0800_chksum) - { - asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM; - return ADV_ERROR; - } + if (eep_config.termination_lvd == 0) { + asc_dvc->cfg->termination = termination; /* auto termination for LVD */ + } else { + /* Enable manual control with low off / high off. */ + if (eep_config.termination_lvd == 1) { + asc_dvc->cfg->termination = termination; + + /* Enable manual control with low off / high on. */ + } else if (eep_config.termination_lvd == 2) { + asc_dvc->cfg->termination = termination | TERM_LVD_HI; + + /* Enable manual control with low on / high on. */ + } else if (eep_config.termination_lvd == 3) { + asc_dvc->cfg->termination = termination | TERM_LVD; + } else { + /* + * The EEPROM 'termination_lvd' field contains a bad value. + * Use automatic termination instead. + */ + asc_dvc->cfg->termination = termination; + warn_code |= ASC_WARN_EEPROM_TERMINATION; + } + } - /* - * Restore the RISC memory BIOS region. - */ - for (i = 0; i < ASC_MC_BIOSLEN/2; i++) - { - AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), bios_mem[i]); - } + return warn_code; +} - /* - * Calculate and write the microcode code checksum to the microcode - * code checksum location ASC_MC_CODE_CHK_SUM (0x2C). - */ - AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr); - AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr); - code_sum = 0; - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr); - for (word = begin_addr; word < end_addr; word += 2) - { - code_sum += AdvReadWordAutoIncLram(iop_base); - } - AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum); - - /* - * Read microcode version and date. - */ - AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE, asc_dvc->cfg->mcode_date); - AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM, asc_dvc->cfg->mcode_version); - - /* - * Set the chip type to indicate the ASC38C0800. - */ - AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C0800); - - /* - * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register. - * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current - * cable detection and then we are able to read C_DET[3:0]. - * - * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1 - * Microcode Default Value' section below. - */ - scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); - AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1, scsi_cfg1 | DIS_TERM_DRV); - - /* - * If the PCI Configuration Command Register "Parity Error Response - * Control" Bit was clear (0), then set the microcode variable - * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode - * to ignore DMA parity errors. - */ - if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) - { - AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); - word |= CONTROL_FLAG_IGNORE_PERR; - AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); - } +/* + * Initialize the ADV_DVC_VAR structure. + * + * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. + * + * For a non-fatal error return a warning code. If there are no warnings + * then 0 is returned. + */ +static int __devinit +AdvInitGetConfig(struct pci_dev *pdev, struct Scsi_Host *shost) +{ + struct asc_board *board = shost_priv(shost); + ADV_DVC_VAR *asc_dvc = &board->dvc_var.adv_dvc_var; + unsigned short warn_code = 0; + AdvPortAddr iop_base = asc_dvc->iop_base; + u16 cmd; + int status; + + asc_dvc->err_code = 0; + + /* + * Save the state of the PCI Configuration Command Register + * "Parity Error Response Control" Bit. If the bit is clear (0), + * in AdvInitAsc3550/38C0800Driver() tell the microcode to ignore + * DMA parity errors. + */ + asc_dvc->cfg->control_flag = 0; + pci_read_config_word(pdev, PCI_COMMAND, &cmd); + if ((cmd & PCI_COMMAND_PARITY) == 0) + asc_dvc->cfg->control_flag |= CONTROL_FLAG_IGNORE_PERR; + + asc_dvc->cfg->chip_version = + AdvGetChipVersion(iop_base, asc_dvc->bus_type); + + ASC_DBG(1, "iopb_chip_id_1: 0x%x 0x%x\n", + (ushort)AdvReadByteRegister(iop_base, IOPB_CHIP_ID_1), + (ushort)ADV_CHIP_ID_BYTE); + + ASC_DBG(1, "iopw_chip_id_0: 0x%x 0x%x\n", + (ushort)AdvReadWordRegister(iop_base, IOPW_CHIP_ID_0), + (ushort)ADV_CHIP_ID_WORD); + + /* + * Reset the chip to start and allow register writes. + */ + if (AdvFindSignature(iop_base) == 0) { + asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; + return ADV_ERROR; + } else { + /* + * The caller must set 'chip_type' to a valid setting. + */ + if (asc_dvc->chip_type != ADV_CHIP_ASC3550 && + asc_dvc->chip_type != ADV_CHIP_ASC38C0800 && + asc_dvc->chip_type != ADV_CHIP_ASC38C1600) { + asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE; + return ADV_ERROR; + } - /* - * For ASC-38C0800, set FIFO_THRESH_80B [6:4] bits and START_CTL_TH [3:2] - * bits for the default FIFO threshold. - * - * Note: ASC-38C0800 FIFO threshold has been changed to 256 bytes. - * - * For DMA Errata #4 set the BC_THRESH_ENB bit. - */ - AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0, - BC_THRESH_ENB | FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM); - - /* - * Microcode operating variables for WDTR, SDTR, and command tag - * queuing will be set in AdvInquiryHandling() based on what a - * device reports it is capable of in Inquiry byte 7. - * - * If SCSI Bus Resets have been disabled, then directly set - * SDTR and WDTR from the EEPROM configuration. This will allow - * the BIOS and warm boot to work without a SCSI bus hang on - * the Inquiry caused by host and target mismatched DTR values. - * Without the SCSI Bus Reset, before an Inquiry a device can't - * be assumed to be in Asynchronous, Narrow mode. - */ - if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) - { - AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, asc_dvc->wdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, asc_dvc->sdtr_able); - } + /* + * Reset Chip. + */ + AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, + ADV_CTRL_REG_CMD_RESET); + mdelay(100); + AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, + ADV_CTRL_REG_CMD_WR_IO_REG); + + if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) { + status = AdvInitFrom38C1600EEP(asc_dvc); + } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) { + status = AdvInitFrom38C0800EEP(asc_dvc); + } else { + status = AdvInitFrom3550EEP(asc_dvc); + } + warn_code |= status; + } - /* - * Set microcode operating variables for DISC and SDTR_SPEED1, - * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM - * configuration values. - * - * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2, - * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them - * without determining here whether the device supports SDTR. - */ - AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE, asc_dvc->cfg->disc_enable); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4); - - /* - * Set SCSI_CFG0 Microcode Default Value. - * - * The microcode will set the SCSI_CFG0 register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0, - PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN | - asc_dvc->chip_scsi_id); - - /* - * Determine SCSI_CFG1 Microcode Default Value. - * - * The microcode will set the SCSI_CFG1 register using this value - * after it is started below. - */ - - /* Read current SCSI_CFG1 Register value. */ - scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); - - /* - * If the internal narrow cable is reversed all of the SCSI_CTRL - * register signals will be set. Check for and return an error if - * this condition is found. - */ - if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) - { - asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE; - return ADV_ERROR; - } + if (warn_code != 0) + shost_printk(KERN_WARNING, shost, "warning: 0x%x\n", warn_code); - /* - * All kind of combinations of devices attached to one of four connectors - * are acceptable except HVD device attached. For example, LVD device can - * be attached to SE connector while SE device attached to LVD connector. - * If LVD device attached to SE connector, it only runs up to Ultra speed. - * - * If an HVD device is attached to one of LVD connectors, return an error. - * However, there is no way to detect HVD device attached to SE connectors. - */ - if (scsi_cfg1 & HVD) - { - asc_dvc->err_code |= ASC_IERR_HVD_DEVICE; - return ADV_ERROR; - } + if (asc_dvc->err_code) + shost_printk(KERN_ERR, shost, "error code 0x%x\n", + asc_dvc->err_code); - /* - * If either SE or LVD automatic termination control is enabled, then - * set the termination value based on a table listed in a_condor.h. - * - * If manual termination was specified with an EEPROM setting then - * 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready to - * be 'ored' into SCSI_CFG1. - */ - if ((asc_dvc->cfg->termination & TERM_SE) == 0) - { - /* SE automatic termination control is enabled. */ - switch(scsi_cfg1 & C_DET_SE) - { - /* TERM_SE_HI: on, TERM_SE_LO: on */ - case 0x1: case 0x2: case 0x3: - asc_dvc->cfg->termination |= TERM_SE; - break; - - /* TERM_SE_HI: on, TERM_SE_LO: off */ - case 0x0: - asc_dvc->cfg->termination |= TERM_SE_HI; - break; - } - } + return asc_dvc->err_code; +} +#endif - if ((asc_dvc->cfg->termination & TERM_LVD) == 0) - { - /* LVD automatic termination control is enabled. */ - switch(scsi_cfg1 & C_DET_LVD) - { - /* TERM_LVD_HI: on, TERM_LVD_LO: on */ - case 0x4: case 0x8: case 0xC: - asc_dvc->cfg->termination |= TERM_LVD; - break; - - /* TERM_LVD_HI: off, TERM_LVD_LO: off */ - case 0x0: - break; - } - } +static struct scsi_host_template advansys_template = { + .proc_name = DRV_NAME, +#ifdef CONFIG_PROC_FS + .proc_info = advansys_proc_info, +#endif + .name = DRV_NAME, + .info = advansys_info, + .queuecommand = advansys_queuecommand, + .eh_bus_reset_handler = advansys_reset, + .bios_param = advansys_biosparam, + .slave_configure = advansys_slave_configure, + /* + * Because the driver may control an ISA adapter 'unchecked_isa_dma' + * must be set. The flag will be cleared in advansys_board_found + * for non-ISA adapters. + */ + .unchecked_isa_dma = 1, + /* + * All adapters controlled by this driver are capable of large + * scatter-gather lists. According to the mid-level SCSI documentation + * this obviates any performance gain provided by setting + * 'use_clustering'. But empirically while CPU utilization is increased + * by enabling clustering, I/O throughput increases as well. + */ + .use_clustering = ENABLE_CLUSTERING, +}; - /* - * Clear any set TERM_SE and TERM_LVD bits. - */ - scsi_cfg1 &= (~TERM_SE & ~TERM_LVD); - - /* - * Invert the TERM_SE and TERM_LVD bits and then set 'scsi_cfg1'. - */ - scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0); - - /* - * Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE bits - * and set possibly modified termination control bits in the Microcode - * SCSI_CFG1 Register Value. - */ - scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE); - - /* - * Set SCSI_CFG1 Microcode Default Value - * - * Set possibly modified termination control and reset DIS_TERM_DRV - * bits in the Microcode SCSI_CFG1 Register Value. - * - * The microcode will set the SCSI_CFG1 register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1); - - /* - * Set MEM_CFG Microcode Default Value - * - * The microcode will set the MEM_CFG register using this value - * after it is started below. - * - * MEM_CFG may be accessed as a word or byte, but only bits 0-7 - * are defined. - * - * ASC-38C0800 has 16KB internal memory. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG, - BIOS_EN | RAM_SZ_16KB); - - /* - * Set SEL_MASK Microcode Default Value - * - * The microcode will set the SEL_MASK register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK, - ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id)); - - /* - * Build the carrier freelist. - * - * Driver must have already allocated memory and set 'carrier_buf'. - */ - ASC_ASSERT(asc_dvc->carrier_buf != NULL); - - carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf); - asc_dvc->carr_freelist = NULL; - if (carrp == (ADV_CARR_T *) asc_dvc->carrier_buf) - { - buf_size = ADV_CARRIER_BUFSIZE; - } else - { - buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T); - } +static int __devinit advansys_wide_init_chip(struct Scsi_Host *shost) +{ + struct asc_board *board = shost_priv(shost); + struct adv_dvc_var *adv_dvc = &board->dvc_var.adv_dvc_var; + int req_cnt = 0; + adv_req_t *reqp = NULL; + int sg_cnt = 0; + adv_sgblk_t *sgp; + int warn_code, err_code; + + /* + * Allocate buffer carrier structures. The total size + * is about 4 KB, so allocate all at once. + */ + adv_dvc->carrier_buf = kmalloc(ADV_CARRIER_BUFSIZE, GFP_KERNEL); + ASC_DBG(1, "carrier_buf 0x%p\n", adv_dvc->carrier_buf); + + if (!adv_dvc->carrier_buf) + goto kmalloc_failed; + + /* + * Allocate up to 'max_host_qng' request structures for the Wide + * board. The total size is about 16 KB, so allocate all at once. + * If the allocation fails decrement and try again. + */ + for (req_cnt = adv_dvc->max_host_qng; req_cnt > 0; req_cnt--) { + reqp = kmalloc(sizeof(adv_req_t) * req_cnt, GFP_KERNEL); + + ASC_DBG(1, "reqp 0x%p, req_cnt %d, bytes %lu\n", reqp, req_cnt, + (ulong)sizeof(adv_req_t) * req_cnt); + + if (reqp) + break; + } - do { - /* - * Get physical address for the carrier 'carrp'. - */ - contig_len = sizeof(ADV_CARR_T); - carr_paddr = cpu_to_le32(DvcGetPhyAddr(asc_dvc, NULL, (uchar *) carrp, - (ADV_SDCNT *) &contig_len, ADV_IS_CARRIER_FLAG)); - - buf_size -= sizeof(ADV_CARR_T); - - /* - * If the current carrier is not physically contiguous, then - * maybe there was a page crossing. Try the next carrier aligned - * start address. - */ - if (contig_len < sizeof(ADV_CARR_T)) - { - carrp++; - continue; - } - - carrp->carr_pa = carr_paddr; - carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp)); - - /* - * Insert the carrier at the beginning of the freelist. - */ - carrp->next_vpa = cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist)); - asc_dvc->carr_freelist = carrp; - - carrp++; - } - while (buf_size > 0); + if (!reqp) + goto kmalloc_failed; - /* - * Set-up the Host->RISC Initiator Command Queue (ICQ). - */ + adv_dvc->orig_reqp = reqp; - if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) - { - asc_dvc->err_code |= ASC_IERR_NO_CARRIER; - return ADV_ERROR; - } - asc_dvc->carr_freelist = (ADV_CARR_T *) - ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa)); - - /* - * The first command issued will be placed in the stopper carrier. - */ - asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); - - /* - * Set RISC ICQ physical address start value. - * carr_pa is LE, must be native before write - */ - AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa); - - /* - * Set-up the RISC->Host Initiator Response Queue (IRQ). - */ - if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) - { - asc_dvc->err_code |= ASC_IERR_NO_CARRIER; - return ADV_ERROR; - } - asc_dvc->carr_freelist = (ADV_CARR_T *) - ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa)); - - /* - * The first command completed by the RISC will be placed in - * the stopper. - * - * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is - * completed the RISC will set the ASC_RQ_STOPPER bit. - */ - asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); - - /* - * Set RISC IRQ physical address start value. - * - * carr_pa is LE, must be native before write * - */ - AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa); - asc_dvc->carr_pending_cnt = 0; - - AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES, - (ADV_INTR_ENABLE_HOST_INTR | ADV_INTR_ENABLE_GLOBAL_INTR)); - - AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word); - AdvWriteWordRegister(iop_base, IOPW_PC, word); - - /* finally, finally, gentlemen, start your engine */ - AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN); - - /* - * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus - * Resets should be performed. The RISC has to be running - * to issue a SCSI Bus Reset. - */ - if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) - { - /* - * If the BIOS Signature is present in memory, restore the - * BIOS Handshake Configuration Table and do not perform - * a SCSI Bus Reset. - */ - if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM)/2] == 0x55AA) - { - /* - * Restore per TID negotiated values. - */ - AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - for (tid = 0; tid <= ADV_MAX_TID; tid++) - { - AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - max_cmd[tid]); - } - } else - { - if (AdvResetSB(asc_dvc) != ADV_TRUE) - { - warn_code = ASC_WARN_BUSRESET_ERROR; - } - } - } + /* + * Allocate up to ADV_TOT_SG_BLOCK request structures for + * the Wide board. Each structure is about 136 bytes. + */ + board->adv_sgblkp = NULL; + for (sg_cnt = 0; sg_cnt < ADV_TOT_SG_BLOCK; sg_cnt++) { + sgp = kmalloc(sizeof(adv_sgblk_t), GFP_KERNEL); - return warn_code; -} + if (!sgp) + break; -/* - * Initialize the ASC-38C1600. - * - * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR. - * - * For a non-fatal error return a warning code. If there are no warnings - * then 0 is returned. - * - * Needed after initialization for error recovery. - */ -STATIC int -AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc) -{ - AdvPortAddr iop_base; - ushort warn_code; - ADV_DCNT sum; - int begin_addr; - int end_addr; - ushort code_sum; - long word; - int j; - int adv_asc38C1600_expanded_size; - ADV_CARR_T *carrp; - ADV_DCNT contig_len; - ADV_SDCNT buf_size; - ADV_PADDR carr_paddr; - int i; - ushort scsi_cfg1; - uchar byte; - uchar tid; - ushort bios_mem[ASC_MC_BIOSLEN/2]; /* BIOS RISC Memory 0x40-0x8F. */ - ushort wdtr_able, sdtr_able, ppr_able, tagqng_able; - uchar max_cmd[ASC_MAX_TID + 1]; - - /* If there is already an error, don't continue. */ - if (asc_dvc->err_code != 0) - { - return ADV_ERROR; - } + sgp->next_sgblkp = board->adv_sgblkp; + board->adv_sgblkp = sgp; - /* - * The caller must set 'chip_type' to ADV_CHIP_ASC38C1600. - */ - if (asc_dvc->chip_type != ADV_CHIP_ASC38C1600) - { - asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE; - return ADV_ERROR; - } + } - warn_code = 0; - iop_base = asc_dvc->iop_base; - - /* - * Save the RISC memory BIOS region before writing the microcode. - * The BIOS may already be loaded and using its RISC LRAM region - * so its region must be saved and restored. - * - * Note: This code makes the assumption, which is currently true, - * that a chip reset does not clear RISC LRAM. - */ - for (i = 0; i < ASC_MC_BIOSLEN/2; i++) - { - AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), bios_mem[i]); - } + ASC_DBG(1, "sg_cnt %d * %lu = %lu bytes\n", sg_cnt, sizeof(adv_sgblk_t), + sizeof(adv_sgblk_t) * sg_cnt); - /* - * Save current per TID negotiated values. - */ - AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able); - AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - for (tid = 0; tid <= ASC_MAX_TID; tid++) - { - AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - max_cmd[tid]); - } + if (!board->adv_sgblkp) + goto kmalloc_failed; - /* - * RAM BIST (Built-In Self Test) - * - * Address : I/O base + offset 0x38h register (byte). - * Function: Bit 7-6(RW) : RAM mode - * Normal Mode : 0x00 - * Pre-test Mode : 0x40 - * RAM Test Mode : 0x80 - * Bit 5 : unused - * Bit 4(RO) : Done bit - * Bit 3-0(RO) : Status - * Host Error : 0x08 - * Int_RAM Error : 0x04 - * RISC Error : 0x02 - * SCSI Error : 0x01 - * No Error : 0x00 - * - * Note: RAM BIST code should be put right here, before loading the - * microcode and after saving the RISC memory BIOS region. - */ - - /* - * LRAM Pre-test - * - * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds. - * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return - * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset - * to NORMAL_MODE, return an error too. - */ - for (i = 0; i < 2; i++) - { - AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE); - DvcSleepMilliSecond(10); /* Wait for 10ms before reading back. */ - byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST); - if ((byte & RAM_TEST_DONE) == 0 || (byte & 0x0F) != PRE_TEST_VALUE) - { - asc_dvc->err_code |= ASC_IERR_BIST_PRE_TEST; - return ADV_ERROR; - } - - AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE); - DvcSleepMilliSecond(10); /* Wait for 10ms before reading back. */ - if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST) - != NORMAL_VALUE) - { - asc_dvc->err_code |= ASC_IERR_BIST_PRE_TEST; - return ADV_ERROR; - } - } + /* + * Point 'adv_reqp' to the request structures and + * link them together. + */ + req_cnt--; + reqp[req_cnt].next_reqp = NULL; + for (; req_cnt > 0; req_cnt--) { + reqp[req_cnt - 1].next_reqp = &reqp[req_cnt]; + } + board->adv_reqp = &reqp[0]; + + if (adv_dvc->chip_type == ADV_CHIP_ASC3550) { + ASC_DBG(2, "AdvInitAsc3550Driver()\n"); + warn_code = AdvInitAsc3550Driver(adv_dvc); + } else if (adv_dvc->chip_type == ADV_CHIP_ASC38C0800) { + ASC_DBG(2, "AdvInitAsc38C0800Driver()\n"); + warn_code = AdvInitAsc38C0800Driver(adv_dvc); + } else { + ASC_DBG(2, "AdvInitAsc38C1600Driver()\n"); + warn_code = AdvInitAsc38C1600Driver(adv_dvc); + } + err_code = adv_dvc->err_code; - /* - * LRAM Test - It takes about 1.5 ms to run through the test. - * - * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds. - * If Done bit not set or Status not 0, save register byte, set the - * err_code, and return an error. - */ - AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE); - DvcSleepMilliSecond(10); /* Wait for 10ms before checking status. */ - - byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST); - if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) - { - /* Get here if Done bit not set or Status not 0. */ - asc_dvc->bist_err_code = byte; /* for BIOS display message */ - asc_dvc->err_code |= ASC_IERR_BIST_RAM_TEST; - return ADV_ERROR; - } + if (warn_code || err_code) { + shost_printk(KERN_WARNING, shost, "error: warn 0x%x, error " + "0x%x\n", warn_code, err_code); + } - /* We need to reset back to normal mode after LRAM test passes. */ - AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE); - - /* - * Load the Microcode - * - * Write the microcode image to RISC memory starting at address 0. - * - */ - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); - - /* - * Assume the following compressed format of the microcode buffer: - * - * 254 word (508 byte) table indexed by byte code followed - * by the following byte codes: - * - * 1-Byte Code: - * 00: Emit word 0 in table. - * 01: Emit word 1 in table. - * . - * FD: Emit word 253 in table. - * - * Multi-Byte Code: - * FE WW WW: (3 byte code) Word to emit is the next word WW WW. - * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW. - */ - word = 0; - for (i = 253 * 2; i < _adv_asc38C1600_size; i++) - { - if (_adv_asc38C1600_buf[i] == 0xff) - { - for (j = 0; j < _adv_asc38C1600_buf[i + 1]; j++) - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc38C1600_buf[i + 3] << 8) | - _adv_asc38C1600_buf[i + 2])); - word++; - } - i += 3; - } else if (_adv_asc38C1600_buf[i] == 0xfe) - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc38C1600_buf[i + 2] << 8) | - _adv_asc38C1600_buf[i + 1])); - i += 2; - word++; - } else - { - AdvWriteWordAutoIncLram(iop_base, (((ushort) - _adv_asc38C1600_buf[(_adv_asc38C1600_buf[i] * 2) + 1] << 8) | - _adv_asc38C1600_buf[_adv_asc38C1600_buf[i] * 2])); - word++; - } - } + goto exit; - /* - * Set 'word' for later use to clear the rest of memory and save - * the expanded mcode size. - */ - word *= 2; - adv_asc38C1600_expanded_size = word; - - /* - * Clear the rest of ASC-38C1600 Internal RAM (32KB). - */ - for (; word < ADV_38C1600_MEMSIZE; word += 2) - { - AdvWriteWordAutoIncLram(iop_base, 0); - } + kmalloc_failed: + shost_printk(KERN_ERR, shost, "error: kmalloc() failed\n"); + err_code = ADV_ERROR; + exit: + return err_code; +} + +static void advansys_wide_free_mem(struct asc_board *board) +{ + struct adv_dvc_var *adv_dvc = &board->dvc_var.adv_dvc_var; + kfree(adv_dvc->carrier_buf); + adv_dvc->carrier_buf = NULL; + kfree(adv_dvc->orig_reqp); + adv_dvc->orig_reqp = board->adv_reqp = NULL; + while (board->adv_sgblkp) { + adv_sgblk_t *sgp = board->adv_sgblkp; + board->adv_sgblkp = sgp->next_sgblkp; + kfree(sgp); + } +} - /* - * Verify the microcode checksum. - */ - sum = 0; - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); +static int __devinit advansys_board_found(struct Scsi_Host *shost, + unsigned int iop, int bus_type) +{ + struct pci_dev *pdev; + struct asc_board *boardp = shost_priv(shost); + ASC_DVC_VAR *asc_dvc_varp = NULL; + ADV_DVC_VAR *adv_dvc_varp = NULL; + int share_irq, warn_code, ret; - for (word = 0; word < adv_asc38C1600_expanded_size; word += 2) - { - sum += AdvReadWordAutoIncLram(iop_base); - } + pdev = (bus_type == ASC_IS_PCI) ? to_pci_dev(boardp->dev) : NULL; - if (sum != _adv_asc38C1600_chksum) - { - asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM; - return ADV_ERROR; - } + if (ASC_NARROW_BOARD(boardp)) { + ASC_DBG(1, "narrow board\n"); + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; + asc_dvc_varp->bus_type = bus_type; + asc_dvc_varp->drv_ptr = boardp; + asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg; + asc_dvc_varp->iop_base = iop; + } else { +#ifdef CONFIG_PCI + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; + adv_dvc_varp->drv_ptr = boardp; + adv_dvc_varp->cfg = &boardp->dvc_cfg.adv_dvc_cfg; + if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW) { + ASC_DBG(1, "wide board ASC-3550\n"); + adv_dvc_varp->chip_type = ADV_CHIP_ASC3550; + } else if (pdev->device == PCI_DEVICE_ID_38C0800_REV1) { + ASC_DBG(1, "wide board ASC-38C0800\n"); + adv_dvc_varp->chip_type = ADV_CHIP_ASC38C0800; + } else { + ASC_DBG(1, "wide board ASC-38C1600\n"); + adv_dvc_varp->chip_type = ADV_CHIP_ASC38C1600; + } + + boardp->asc_n_io_port = pci_resource_len(pdev, 1); + boardp->ioremap_addr = pci_ioremap_bar(pdev, 1); + if (!boardp->ioremap_addr) { + shost_printk(KERN_ERR, shost, "ioremap(%lx, %d) " + "returned NULL\n", + (long)pci_resource_start(pdev, 1), + boardp->asc_n_io_port); + ret = -ENODEV; + goto err_shost; + } + adv_dvc_varp->iop_base = (AdvPortAddr)boardp->ioremap_addr; + ASC_DBG(1, "iop_base: 0x%p\n", adv_dvc_varp->iop_base); - /* - * Restore the RISC memory BIOS region. - */ - for (i = 0; i < ASC_MC_BIOSLEN/2; i++) - { - AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i), bios_mem[i]); - } + /* + * Even though it isn't used to access wide boards, other + * than for the debug line below, save I/O Port address so + * that it can be reported. + */ + boardp->ioport = iop; + + ASC_DBG(1, "iopb_chip_id_1 0x%x, iopw_chip_id_0 0x%x\n", + (ushort)inp(iop + 1), (ushort)inpw(iop)); +#endif /* CONFIG_PCI */ + } - /* - * Calculate and write the microcode code checksum to the microcode - * code checksum location ASC_MC_CODE_CHK_SUM (0x2C). - */ - AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr); - AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr); - code_sum = 0; - AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr); - for (word = begin_addr; word < end_addr; word += 2) - { - code_sum += AdvReadWordAutoIncLram(iop_base); - } - AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum); - - /* - * Read microcode version and date. - */ - AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE, asc_dvc->cfg->mcode_date); - AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM, asc_dvc->cfg->mcode_version); - - /* - * Set the chip type to indicate the ASC38C1600. - */ - AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C1600); - - /* - * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register. - * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current - * cable detection and then we are able to read C_DET[3:0]. - * - * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1 - * Microcode Default Value' section below. - */ - scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); - AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1, scsi_cfg1 | DIS_TERM_DRV); - - /* - * If the PCI Configuration Command Register "Parity Error Response - * Control" Bit was clear (0), then set the microcode variable - * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode - * to ignore DMA parity errors. - */ - if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) - { - AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); - word |= CONTROL_FLAG_IGNORE_PERR; - AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); - } +#ifdef CONFIG_PROC_FS + /* + * Allocate buffer for printing information from + * /proc/scsi/advansys/[0...]. + */ + boardp->prtbuf = kmalloc(ASC_PRTBUF_SIZE, GFP_KERNEL); + if (!boardp->prtbuf) { + shost_printk(KERN_ERR, shost, "kmalloc(%d) returned NULL\n", + ASC_PRTBUF_SIZE); + ret = -ENOMEM; + goto err_unmap; + } +#endif /* CONFIG_PROC_FS */ - /* - * If the BIOS control flag AIPP (Asynchronous Information - * Phase Protection) disable bit is not set, then set the firmware - * 'control_flag' CONTROL_FLAG_ENABLE_AIPP bit to enable - * AIPP checking and encoding. - */ - if ((asc_dvc->bios_ctrl & BIOS_CTRL_AIPP_DIS) == 0) - { - AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); - word |= CONTROL_FLAG_ENABLE_AIPP; - AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); - } + if (ASC_NARROW_BOARD(boardp)) { + /* + * Set the board bus type and PCI IRQ before + * calling AscInitGetConfig(). + */ + switch (asc_dvc_varp->bus_type) { +#ifdef CONFIG_ISA + case ASC_IS_ISA: + shost->unchecked_isa_dma = TRUE; + share_irq = 0; + break; + case ASC_IS_VL: + shost->unchecked_isa_dma = FALSE; + share_irq = 0; + break; + case ASC_IS_EISA: + shost->unchecked_isa_dma = FALSE; + share_irq = IRQF_SHARED; + break; +#endif /* CONFIG_ISA */ +#ifdef CONFIG_PCI + case ASC_IS_PCI: + shost->unchecked_isa_dma = FALSE; + share_irq = IRQF_SHARED; + break; +#endif /* CONFIG_PCI */ + default: + shost_printk(KERN_ERR, shost, "unknown adapter type: " + "%d\n", asc_dvc_varp->bus_type); + shost->unchecked_isa_dma = TRUE; + share_irq = 0; + break; + } - /* - * For ASC-38C1600 use DMA_CFG0 default values: FIFO_THRESH_80B [6:4], - * and START_CTL_TH [3:2]. - */ - AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0, - FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM); - - /* - * Microcode operating variables for WDTR, SDTR, and command tag - * queuing will be set in AdvInquiryHandling() based on what a - * device reports it is capable of in Inquiry byte 7. - * - * If SCSI Bus Resets have been disabled, then directly set - * SDTR and WDTR from the EEPROM configuration. This will allow - * the BIOS and warm boot to work without a SCSI bus hang on - * the Inquiry caused by host and target mismatched DTR values. - * Without the SCSI Bus Reset, before an Inquiry a device can't - * be assumed to be in Asynchronous, Narrow mode. - */ - if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) - { - AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, asc_dvc->wdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, asc_dvc->sdtr_able); - } + /* + * NOTE: AscInitGetConfig() may change the board's + * bus_type value. The bus_type value should no + * longer be used. If the bus_type field must be + * referenced only use the bit-wise AND operator "&". + */ + ASC_DBG(2, "AscInitGetConfig()\n"); + ret = AscInitGetConfig(shost) ? -ENODEV : 0; + } else { +#ifdef CONFIG_PCI + /* + * For Wide boards set PCI information before calling + * AdvInitGetConfig(). + */ + shost->unchecked_isa_dma = FALSE; + share_irq = IRQF_SHARED; + ASC_DBG(2, "AdvInitGetConfig()\n"); + + ret = AdvInitGetConfig(pdev, shost) ? -ENODEV : 0; +#endif /* CONFIG_PCI */ + } - /* - * Set microcode operating variables for DISC and SDTR_SPEED1, - * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM - * configuration values. - * - * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2, - * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them - * without determining here whether the device supports SDTR. - */ - AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE, asc_dvc->cfg->disc_enable); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4); - - /* - * Set SCSI_CFG0 Microcode Default Value. - * - * The microcode will set the SCSI_CFG0 register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0, - PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN | - asc_dvc->chip_scsi_id); - - /* - * Calculate SCSI_CFG1 Microcode Default Value. - * - * The microcode will set the SCSI_CFG1 register using this value - * after it is started below. - * - * Each ASC-38C1600 function has only two cable detect bits. - * The bus mode override bits are in IOPB_SOFT_OVER_WR. - */ - scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); - - /* - * If the cable is reversed all of the SCSI_CTRL register signals - * will be set. Check for and return an error if this condition is - * found. - */ - if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) - { - asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE; - return ADV_ERROR; - } + if (ret) + goto err_free_proc; - /* - * Each ASC-38C1600 function has two connectors. Only an HVD device - * can not be connected to either connector. An LVD device or SE device - * may be connected to either connecor. If an SE device is connected, - * then at most Ultra speed (20 Mhz) can be used on both connectors. - * - * If an HVD device is attached, return an error. - */ - if (scsi_cfg1 & HVD) - { - asc_dvc->err_code |= ASC_IERR_HVD_DEVICE; - return ADV_ERROR; - } + /* + * Save the EEPROM configuration so that it can be displayed + * from /proc/scsi/advansys/[0...]. + */ + if (ASC_NARROW_BOARD(boardp)) { - /* - * Each function in the ASC-38C1600 uses only the SE cable detect and - * termination because there are two connectors for each function. Each - * function may use either LVD or SE mode. Corresponding the SE automatic - * termination control EEPROM bits are used for each function. Each - * function has its own EEPROM. If SE automatic control is enabled for - * the function, then set the termination value based on a table listed - * in a_condor.h. - * - * If manual termination is specified in the EEPROM for the function, - * then 'termination' was set-up in AscInitFrom38C1600EEPROM() and is - * ready to be 'ored' into SCSI_CFG1. - */ - if ((asc_dvc->cfg->termination & TERM_SE) == 0) - { - /* SE automatic termination control is enabled. */ - switch(scsi_cfg1 & C_DET_SE) - { - /* TERM_SE_HI: on, TERM_SE_LO: on */ - case 0x1: case 0x2: case 0x3: - asc_dvc->cfg->termination |= TERM_SE; - break; - - case 0x0: - if (ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info) == 0) - { - /* Function 0 - TERM_SE_HI: off, TERM_SE_LO: off */ - } - else - { - /* Function 1 - TERM_SE_HI: on, TERM_SE_LO: off */ - asc_dvc->cfg->termination |= TERM_SE_HI; - } - break; - } - } + ASCEEP_CONFIG *ep; - /* - * Clear any set TERM_SE bits. - */ - scsi_cfg1 &= ~TERM_SE; - - /* - * Invert the TERM_SE bits and then set 'scsi_cfg1'. - */ - scsi_cfg1 |= (~asc_dvc->cfg->termination & TERM_SE); - - /* - * Clear Big Endian and Terminator Polarity bits and set possibly - * modified termination control bits in the Microcode SCSI_CFG1 - * Register Value. - * - * Big Endian bit is not used even on big endian machines. - */ - scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL); - - /* - * Set SCSI_CFG1 Microcode Default Value - * - * Set possibly modified termination control bits in the Microcode - * SCSI_CFG1 Register Value. - * - * The microcode will set the SCSI_CFG1 register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1); - - /* - * Set MEM_CFG Microcode Default Value - * - * The microcode will set the MEM_CFG register using this value - * after it is started below. - * - * MEM_CFG may be accessed as a word or byte, but only bits 0-7 - * are defined. - * - * ASC-38C1600 has 32KB internal memory. - * - * XXX - Since ASC38C1600 Rev.3 has a Local RAM failure issue, we come - * out a special 16K Adv Library and Microcode version. After the issue - * resolved, we should turn back to the 32K support. Both a_condor.h and - * mcode.sas files also need to be updated. - * - * AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG, - * BIOS_EN | RAM_SZ_32KB); - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG, BIOS_EN | RAM_SZ_16KB); - - /* - * Set SEL_MASK Microcode Default Value - * - * The microcode will set the SEL_MASK register using this value - * after it is started below. - */ - AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK, - ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id)); - - /* - * Build the carrier freelist. - * - * Driver must have already allocated memory and set 'carrier_buf'. - */ - - ASC_ASSERT(asc_dvc->carrier_buf != NULL); - - carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf); - asc_dvc->carr_freelist = NULL; - if (carrp == (ADV_CARR_T *) asc_dvc->carrier_buf) - { - buf_size = ADV_CARRIER_BUFSIZE; - } else - { - buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T); - } + /* + * Set the adapter's target id bit in the 'init_tidmask' field. + */ + boardp->init_tidmask |= + ADV_TID_TO_TIDMASK(asc_dvc_varp->cfg->chip_scsi_id); - do { - /* - * Get physical address for the carrier 'carrp'. - */ - contig_len = sizeof(ADV_CARR_T); - carr_paddr = cpu_to_le32(DvcGetPhyAddr(asc_dvc, NULL, (uchar *) carrp, - (ADV_SDCNT *) &contig_len, ADV_IS_CARRIER_FLAG)); - - buf_size -= sizeof(ADV_CARR_T); - - /* - * If the current carrier is not physically contiguous, then - * maybe there was a page crossing. Try the next carrier aligned - * start address. - */ - if (contig_len < sizeof(ADV_CARR_T)) - { - carrp++; - continue; - } - - carrp->carr_pa = carr_paddr; - carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp)); - - /* - * Insert the carrier at the beginning of the freelist. - */ - carrp->next_vpa = cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist)); - asc_dvc->carr_freelist = carrp; - - carrp++; - } - while (buf_size > 0); - - /* - * Set-up the Host->RISC Initiator Command Queue (ICQ). - */ - if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) - { - asc_dvc->err_code |= ASC_IERR_NO_CARRIER; - return ADV_ERROR; - } - asc_dvc->carr_freelist = (ADV_CARR_T *) - ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa)); - - /* - * The first command issued will be placed in the stopper carrier. - */ - asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); - - /* - * Set RISC ICQ physical address start value. Initialize the - * COMMA register to the same value otherwise the RISC will - * prematurely detect a command is available. - */ - AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa); - AdvWriteDWordRegister(iop_base, IOPDW_COMMA, - le32_to_cpu(asc_dvc->icq_sp->carr_pa)); - - /* - * Set-up the RISC->Host Initiator Response Queue (IRQ). - */ - if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) - { - asc_dvc->err_code |= ASC_IERR_NO_CARRIER; - return ADV_ERROR; - } - asc_dvc->carr_freelist = (ADV_CARR_T *) - ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa)); - - /* - * The first command completed by the RISC will be placed in - * the stopper. - * - * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is - * completed the RISC will set the ASC_RQ_STOPPER bit. - */ - asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); - - /* - * Set RISC IRQ physical address start value. - */ - AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa); - asc_dvc->carr_pending_cnt = 0; - - AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES, - (ADV_INTR_ENABLE_HOST_INTR | ADV_INTR_ENABLE_GLOBAL_INTR)); - AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word); - AdvWriteWordRegister(iop_base, IOPW_PC, word); - - /* finally, finally, gentlemen, start your engine */ - AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN); - - /* - * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus - * Resets should be performed. The RISC has to be running - * to issue a SCSI Bus Reset. - */ - if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) - { - /* - * If the BIOS Signature is present in memory, restore the - * per TID microcode operating variables. - */ - if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM)/2] == 0x55AA) - { - /* - * Restore per TID negotiated values. - */ - AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able); - AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - for (tid = 0; tid <= ASC_MAX_TID; tid++) - { - AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - max_cmd[tid]); - } - } else - { - if (AdvResetSB(asc_dvc) != ADV_TRUE) - { - warn_code = ASC_WARN_BUSRESET_ERROR; - } - } - } + /* + * Save EEPROM settings for the board. + */ + ep = &boardp->eep_config.asc_eep; + + ep->init_sdtr = asc_dvc_varp->cfg->sdtr_enable; + ep->disc_enable = asc_dvc_varp->cfg->disc_enable; + ep->use_cmd_qng = asc_dvc_varp->cfg->cmd_qng_enabled; + ASC_EEP_SET_DMA_SPD(ep, asc_dvc_varp->cfg->isa_dma_speed); + ep->start_motor = asc_dvc_varp->start_motor; + ep->cntl = asc_dvc_varp->dvc_cntl; + ep->no_scam = asc_dvc_varp->no_scam; + ep->max_total_qng = asc_dvc_varp->max_total_qng; + ASC_EEP_SET_CHIP_ID(ep, asc_dvc_varp->cfg->chip_scsi_id); + /* 'max_tag_qng' is set to the same value for every device. */ + ep->max_tag_qng = asc_dvc_varp->cfg->max_tag_qng[0]; + ep->adapter_info[0] = asc_dvc_varp->cfg->adapter_info[0]; + ep->adapter_info[1] = asc_dvc_varp->cfg->adapter_info[1]; + ep->adapter_info[2] = asc_dvc_varp->cfg->adapter_info[2]; + ep->adapter_info[3] = asc_dvc_varp->cfg->adapter_info[3]; + ep->adapter_info[4] = asc_dvc_varp->cfg->adapter_info[4]; + ep->adapter_info[5] = asc_dvc_varp->cfg->adapter_info[5]; - return warn_code; -} + /* + * Modify board configuration. + */ + ASC_DBG(2, "AscInitSetConfig()\n"); + ret = AscInitSetConfig(pdev, shost) ? -ENODEV : 0; + if (ret) + goto err_free_proc; + } else { + ADVEEP_3550_CONFIG *ep_3550; + ADVEEP_38C0800_CONFIG *ep_38C0800; + ADVEEP_38C1600_CONFIG *ep_38C1600; -/* - * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and - * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while - * all of this is done. - * - * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. - * - * For a non-fatal error return a warning code. If there are no warnings - * then 0 is returned. - * - * Note: Chip is stopped on entry. - */ -STATIC int __init -AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc) -{ - AdvPortAddr iop_base; - ushort warn_code; - ADVEEP_3550_CONFIG eep_config; - int i; - - iop_base = asc_dvc->iop_base; - - warn_code = 0; - - /* - * Read the board's EEPROM configuration. - * - * Set default values if a bad checksum is found. - */ - if (AdvGet3550EEPConfig(iop_base, &eep_config) != eep_config.check_sum) - { - warn_code |= ASC_WARN_EEPROM_CHKSUM; - - /* - * Set EEPROM default values. - */ - for (i = 0; i < sizeof(ADVEEP_3550_CONFIG); i++) - { - *((uchar *) &eep_config + i) = - *((uchar *) &Default_3550_EEPROM_Config + i); - } - - /* - * Assume the 6 byte board serial number that was read - * from EEPROM is correct even if the EEPROM checksum - * failed. - */ - eep_config.serial_number_word3 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1); - - eep_config.serial_number_word2 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2); - - eep_config.serial_number_word1 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3); - - AdvSet3550EEPConfig(iop_base, &eep_config); - } - /* - * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the - * EEPROM configuration that was read. - * - * This is the mapping of EEPROM fields to Adv Library fields. - */ - asc_dvc->wdtr_able = eep_config.wdtr_able; - asc_dvc->sdtr_able = eep_config.sdtr_able; - asc_dvc->ultra_able = eep_config.ultra_able; - asc_dvc->tagqng_able = eep_config.tagqng_able; - asc_dvc->cfg->disc_enable = eep_config.disc_enable; - asc_dvc->max_host_qng = eep_config.max_host_qng; - asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; - asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID); - asc_dvc->start_motor = eep_config.start_motor; - asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay; - asc_dvc->bios_ctrl = eep_config.bios_ctrl; - asc_dvc->no_scam = eep_config.scam_tolerant; - asc_dvc->cfg->serial1 = eep_config.serial_number_word1; - asc_dvc->cfg->serial2 = eep_config.serial_number_word2; - asc_dvc->cfg->serial3 = eep_config.serial_number_word3; - - /* - * Set the host maximum queuing (max. 253, min. 16) and the per device - * maximum queuing (max. 63, min. 4). - */ - if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) - { - eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; - } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) - { - /* If the value is zero, assume it is uninitialized. */ - if (eep_config.max_host_qng == 0) - { - eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; - } else - { - eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG; - } - } + /* + * Save Wide EEP Configuration Information. + */ + if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) { + ep_3550 = &boardp->eep_config.adv_3550_eep; + + ep_3550->adapter_scsi_id = adv_dvc_varp->chip_scsi_id; + ep_3550->max_host_qng = adv_dvc_varp->max_host_qng; + ep_3550->max_dvc_qng = adv_dvc_varp->max_dvc_qng; + ep_3550->termination = adv_dvc_varp->cfg->termination; + ep_3550->disc_enable = adv_dvc_varp->cfg->disc_enable; + ep_3550->bios_ctrl = adv_dvc_varp->bios_ctrl; + ep_3550->wdtr_able = adv_dvc_varp->wdtr_able; + ep_3550->sdtr_able = adv_dvc_varp->sdtr_able; + ep_3550->ultra_able = adv_dvc_varp->ultra_able; + ep_3550->tagqng_able = adv_dvc_varp->tagqng_able; + ep_3550->start_motor = adv_dvc_varp->start_motor; + ep_3550->scsi_reset_delay = + adv_dvc_varp->scsi_reset_wait; + ep_3550->serial_number_word1 = + adv_dvc_varp->cfg->serial1; + ep_3550->serial_number_word2 = + adv_dvc_varp->cfg->serial2; + ep_3550->serial_number_word3 = + adv_dvc_varp->cfg->serial3; + } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) { + ep_38C0800 = &boardp->eep_config.adv_38C0800_eep; + + ep_38C0800->adapter_scsi_id = + adv_dvc_varp->chip_scsi_id; + ep_38C0800->max_host_qng = adv_dvc_varp->max_host_qng; + ep_38C0800->max_dvc_qng = adv_dvc_varp->max_dvc_qng; + ep_38C0800->termination_lvd = + adv_dvc_varp->cfg->termination; + ep_38C0800->disc_enable = + adv_dvc_varp->cfg->disc_enable; + ep_38C0800->bios_ctrl = adv_dvc_varp->bios_ctrl; + ep_38C0800->wdtr_able = adv_dvc_varp->wdtr_able; + ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able; + ep_38C0800->sdtr_speed1 = adv_dvc_varp->sdtr_speed1; + ep_38C0800->sdtr_speed2 = adv_dvc_varp->sdtr_speed2; + ep_38C0800->sdtr_speed3 = adv_dvc_varp->sdtr_speed3; + ep_38C0800->sdtr_speed4 = adv_dvc_varp->sdtr_speed4; + ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able; + ep_38C0800->start_motor = adv_dvc_varp->start_motor; + ep_38C0800->scsi_reset_delay = + adv_dvc_varp->scsi_reset_wait; + ep_38C0800->serial_number_word1 = + adv_dvc_varp->cfg->serial1; + ep_38C0800->serial_number_word2 = + adv_dvc_varp->cfg->serial2; + ep_38C0800->serial_number_word3 = + adv_dvc_varp->cfg->serial3; + } else { + ep_38C1600 = &boardp->eep_config.adv_38C1600_eep; + + ep_38C1600->adapter_scsi_id = + adv_dvc_varp->chip_scsi_id; + ep_38C1600->max_host_qng = adv_dvc_varp->max_host_qng; + ep_38C1600->max_dvc_qng = adv_dvc_varp->max_dvc_qng; + ep_38C1600->termination_lvd = + adv_dvc_varp->cfg->termination; + ep_38C1600->disc_enable = + adv_dvc_varp->cfg->disc_enable; + ep_38C1600->bios_ctrl = adv_dvc_varp->bios_ctrl; + ep_38C1600->wdtr_able = adv_dvc_varp->wdtr_able; + ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able; + ep_38C1600->sdtr_speed1 = adv_dvc_varp->sdtr_speed1; + ep_38C1600->sdtr_speed2 = adv_dvc_varp->sdtr_speed2; + ep_38C1600->sdtr_speed3 = adv_dvc_varp->sdtr_speed3; + ep_38C1600->sdtr_speed4 = adv_dvc_varp->sdtr_speed4; + ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able; + ep_38C1600->start_motor = adv_dvc_varp->start_motor; + ep_38C1600->scsi_reset_delay = + adv_dvc_varp->scsi_reset_wait; + ep_38C1600->serial_number_word1 = + adv_dvc_varp->cfg->serial1; + ep_38C1600->serial_number_word2 = + adv_dvc_varp->cfg->serial2; + ep_38C1600->serial_number_word3 = + adv_dvc_varp->cfg->serial3; + } - if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) - { - eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; - } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) - { - /* If the value is zero, assume it is uninitialized. */ - if (eep_config.max_dvc_qng == 0) - { - eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; - } else - { - eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG; - } - } + /* + * Set the adapter's target id bit in the 'init_tidmask' field. + */ + boardp->init_tidmask |= + ADV_TID_TO_TIDMASK(adv_dvc_varp->chip_scsi_id); + } + + /* + * Channels are numbered beginning with 0. For AdvanSys one host + * structure supports one channel. Multi-channel boards have a + * separate host structure for each channel. + */ + shost->max_channel = 0; + if (ASC_NARROW_BOARD(boardp)) { + shost->max_id = ASC_MAX_TID + 1; + shost->max_lun = ASC_MAX_LUN + 1; + shost->max_cmd_len = ASC_MAX_CDB_LEN; + + shost->io_port = asc_dvc_varp->iop_base; + boardp->asc_n_io_port = ASC_IOADR_GAP; + shost->this_id = asc_dvc_varp->cfg->chip_scsi_id; + + /* Set maximum number of queues the adapter can handle. */ + shost->can_queue = asc_dvc_varp->max_total_qng; + } else { + shost->max_id = ADV_MAX_TID + 1; + shost->max_lun = ADV_MAX_LUN + 1; + shost->max_cmd_len = ADV_MAX_CDB_LEN; - /* - * If 'max_dvc_qng' is greater than 'max_host_qng', then - * set 'max_dvc_qng' to 'max_host_qng'. - */ - if (eep_config.max_dvc_qng > eep_config.max_host_qng) - { - eep_config.max_dvc_qng = eep_config.max_host_qng; - } + /* + * Save the I/O Port address and length even though + * I/O ports are not used to access Wide boards. + * Instead the Wide boards are accessed with + * PCI Memory Mapped I/O. + */ + shost->io_port = iop; - /* - * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng' - * values based on possibly adjusted EEPROM values. - */ - asc_dvc->max_host_qng = eep_config.max_host_qng; - asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; - - - /* - * If the EEPROM 'termination' field is set to automatic (0), then set - * the ADV_DVC_CFG 'termination' field to automatic also. - * - * If the termination is specified with a non-zero 'termination' - * value check that a legal value is set and set the ADV_DVC_CFG - * 'termination' field appropriately. - */ - if (eep_config.termination == 0) - { - asc_dvc->cfg->termination = 0; /* auto termination */ - } else - { - /* Enable manual control with low off / high off. */ - if (eep_config.termination == 1) - { - asc_dvc->cfg->termination = TERM_CTL_SEL; - - /* Enable manual control with low off / high on. */ - } else if (eep_config.termination == 2) - { - asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H; - - /* Enable manual control with low on / high on. */ - } else if (eep_config.termination == 3) - { - asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H | TERM_CTL_L; - } else - { - /* - * The EEPROM 'termination' field contains a bad value. Use - * automatic termination instead. - */ - asc_dvc->cfg->termination = 0; - warn_code |= ASC_WARN_EEPROM_TERMINATION; - } - } + shost->this_id = adv_dvc_varp->chip_scsi_id; - return warn_code; -} + /* Set maximum number of queues the adapter can handle. */ + shost->can_queue = adv_dvc_varp->max_host_qng; + } -/* - * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and - * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while - * all of this is done. - * - * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. - * - * For a non-fatal error return a warning code. If there are no warnings - * then 0 is returned. - * - * Note: Chip is stopped on entry. - */ -STATIC int __init -AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc) -{ - AdvPortAddr iop_base; - ushort warn_code; - ADVEEP_38C0800_CONFIG eep_config; - int i; - uchar tid, termination; - ushort sdtr_speed = 0; - - iop_base = asc_dvc->iop_base; - - warn_code = 0; - - /* - * Read the board's EEPROM configuration. - * - * Set default values if a bad checksum is found. - */ - if (AdvGet38C0800EEPConfig(iop_base, &eep_config) != eep_config.check_sum) - { - warn_code |= ASC_WARN_EEPROM_CHKSUM; - - /* - * Set EEPROM default values. - */ - for (i = 0; i < sizeof(ADVEEP_38C0800_CONFIG); i++) - { - *((uchar *) &eep_config + i) = - *((uchar *) &Default_38C0800_EEPROM_Config + i); - } - - /* - * Assume the 6 byte board serial number that was read - * from EEPROM is correct even if the EEPROM checksum - * failed. - */ - eep_config.serial_number_word3 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1); - - eep_config.serial_number_word2 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2); - - eep_config.serial_number_word1 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3); - - AdvSet38C0800EEPConfig(iop_base, &eep_config); - } - /* - * Set ADV_DVC_VAR and ADV_DVC_CFG variables from the - * EEPROM configuration that was read. - * - * This is the mapping of EEPROM fields to Adv Library fields. - */ - asc_dvc->wdtr_able = eep_config.wdtr_able; - asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1; - asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2; - asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3; - asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4; - asc_dvc->tagqng_able = eep_config.tagqng_able; - asc_dvc->cfg->disc_enable = eep_config.disc_enable; - asc_dvc->max_host_qng = eep_config.max_host_qng; - asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; - asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID); - asc_dvc->start_motor = eep_config.start_motor; - asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay; - asc_dvc->bios_ctrl = eep_config.bios_ctrl; - asc_dvc->no_scam = eep_config.scam_tolerant; - asc_dvc->cfg->serial1 = eep_config.serial_number_word1; - asc_dvc->cfg->serial2 = eep_config.serial_number_word2; - asc_dvc->cfg->serial3 = eep_config.serial_number_word3; - - /* - * For every Target ID if any of its 'sdtr_speed[1234]' bits - * are set, then set an 'sdtr_able' bit for it. - */ - asc_dvc->sdtr_able = 0; - for (tid = 0; tid <= ADV_MAX_TID; tid++) - { - if (tid == 0) - { - sdtr_speed = asc_dvc->sdtr_speed1; - } else if (tid == 4) - { - sdtr_speed = asc_dvc->sdtr_speed2; - } else if (tid == 8) - { - sdtr_speed = asc_dvc->sdtr_speed3; - } else if (tid == 12) - { - sdtr_speed = asc_dvc->sdtr_speed4; - } - if (sdtr_speed & ADV_MAX_TID) - { - asc_dvc->sdtr_able |= (1 << tid); - } - sdtr_speed >>= 4; - } + /* + * Following v1.3.89, 'cmd_per_lun' is no longer needed + * and should be set to zero. + * + * But because of a bug introduced in v1.3.89 if the driver is + * compiled as a module and 'cmd_per_lun' is zero, the Mid-Level + * SCSI function 'allocate_device' will panic. To allow the driver + * to work as a module in these kernels set 'cmd_per_lun' to 1. + * + * Note: This is wrong. cmd_per_lun should be set to the depth + * you want on untagged devices always. + #ifdef MODULE + */ + shost->cmd_per_lun = 1; +/* #else + shost->cmd_per_lun = 0; +#endif */ - /* - * Set the host maximum queuing (max. 253, min. 16) and the per device - * maximum queuing (max. 63, min. 4). - */ - if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) - { - eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; - } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) - { - /* If the value is zero, assume it is uninitialized. */ - if (eep_config.max_host_qng == 0) - { - eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; - } else - { - eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG; - } - } + /* + * Set the maximum number of scatter-gather elements the + * adapter can handle. + */ + if (ASC_NARROW_BOARD(boardp)) { + /* + * Allow two commands with 'sg_tablesize' scatter-gather + * elements to be executed simultaneously. This value is + * the theoretical hardware limit. It may be decreased + * below. + */ + shost->sg_tablesize = + (((asc_dvc_varp->max_total_qng - 2) / 2) * + ASC_SG_LIST_PER_Q) + 1; + } else { + shost->sg_tablesize = ADV_MAX_SG_LIST; + } - if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) - { - eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; - } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) - { - /* If the value is zero, assume it is uninitialized. */ - if (eep_config.max_dvc_qng == 0) - { - eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; - } else - { - eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG; - } - } + /* + * The value of 'sg_tablesize' can not exceed the SCSI + * mid-level driver definition of SG_ALL. SG_ALL also + * must not be exceeded, because it is used to define the + * size of the scatter-gather table in 'struct asc_sg_head'. + */ + if (shost->sg_tablesize > SG_ALL) { + shost->sg_tablesize = SG_ALL; + } - /* - * If 'max_dvc_qng' is greater than 'max_host_qng', then - * set 'max_dvc_qng' to 'max_host_qng'. - */ - if (eep_config.max_dvc_qng > eep_config.max_host_qng) - { - eep_config.max_dvc_qng = eep_config.max_host_qng; - } + ASC_DBG(1, "sg_tablesize: %d\n", shost->sg_tablesize); - /* - * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng' - * values based on possibly adjusted EEPROM values. - */ - asc_dvc->max_host_qng = eep_config.max_host_qng; - asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; - - /* - * If the EEPROM 'termination' field is set to automatic (0), then set - * the ADV_DVC_CFG 'termination' field to automatic also. - * - * If the termination is specified with a non-zero 'termination' - * value check that a legal value is set and set the ADV_DVC_CFG - * 'termination' field appropriately. - */ - if (eep_config.termination_se == 0) - { - termination = 0; /* auto termination for SE */ - } else - { - /* Enable manual control with low off / high off. */ - if (eep_config.termination_se == 1) - { - termination = 0; - - /* Enable manual control with low off / high on. */ - } else if (eep_config.termination_se == 2) - { - termination = TERM_SE_HI; - - /* Enable manual control with low on / high on. */ - } else if (eep_config.termination_se == 3) - { - termination = TERM_SE; - } else - { - /* - * The EEPROM 'termination_se' field contains a bad value. - * Use automatic termination instead. - */ - termination = 0; - warn_code |= ASC_WARN_EEPROM_TERMINATION; - } - } + /* BIOS start address. */ + if (ASC_NARROW_BOARD(boardp)) { + shost->base = AscGetChipBiosAddress(asc_dvc_varp->iop_base, + asc_dvc_varp->bus_type); + } else { + /* + * Fill-in BIOS board variables. The Wide BIOS saves + * information in LRAM that is used by the driver. + */ + AdvReadWordLram(adv_dvc_varp->iop_base, + BIOS_SIGNATURE, boardp->bios_signature); + AdvReadWordLram(adv_dvc_varp->iop_base, + BIOS_VERSION, boardp->bios_version); + AdvReadWordLram(adv_dvc_varp->iop_base, + BIOS_CODESEG, boardp->bios_codeseg); + AdvReadWordLram(adv_dvc_varp->iop_base, + BIOS_CODELEN, boardp->bios_codelen); + + ASC_DBG(1, "bios_signature 0x%x, bios_version 0x%x\n", + boardp->bios_signature, boardp->bios_version); + + ASC_DBG(1, "bios_codeseg 0x%x, bios_codelen 0x%x\n", + boardp->bios_codeseg, boardp->bios_codelen); - if (eep_config.termination_lvd == 0) - { - asc_dvc->cfg->termination = termination; /* auto termination for LVD */ - } else - { - /* Enable manual control with low off / high off. */ - if (eep_config.termination_lvd == 1) - { - asc_dvc->cfg->termination = termination; - - /* Enable manual control with low off / high on. */ - } else if (eep_config.termination_lvd == 2) - { - asc_dvc->cfg->termination = termination | TERM_LVD_HI; - - /* Enable manual control with low on / high on. */ - } else if (eep_config.termination_lvd == 3) - { - asc_dvc->cfg->termination = - termination | TERM_LVD; - } else - { - /* - * The EEPROM 'termination_lvd' field contains a bad value. - * Use automatic termination instead. - */ - asc_dvc->cfg->termination = termination; - warn_code |= ASC_WARN_EEPROM_TERMINATION; - } - } + /* + * If the BIOS saved a valid signature, then fill in + * the BIOS code segment base address. + */ + if (boardp->bios_signature == 0x55AA) { + /* + * Convert x86 realmode code segment to a linear + * address by shifting left 4. + */ + shost->base = ((ulong)boardp->bios_codeseg << 4); + } else { + shost->base = 0; + } + } - return warn_code; -} + /* + * Register Board Resources - I/O Port, DMA, IRQ + */ -/* - * Read the board's EEPROM configuration. Set fields in ASC_DVC_VAR and - * ASC_DVC_CFG based on the EEPROM settings. The chip is stopped while - * all of this is done. - * - * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR. - * - * For a non-fatal error return a warning code. If there are no warnings - * then 0 is returned. - * - * Note: Chip is stopped on entry. - */ -STATIC int __init -AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc) -{ - AdvPortAddr iop_base; - ushort warn_code; - ADVEEP_38C1600_CONFIG eep_config; - int i; - uchar tid, termination; - ushort sdtr_speed = 0; - - iop_base = asc_dvc->iop_base; - - warn_code = 0; - - /* - * Read the board's EEPROM configuration. - * - * Set default values if a bad checksum is found. - */ - if (AdvGet38C1600EEPConfig(iop_base, &eep_config) != eep_config.check_sum) - { - warn_code |= ASC_WARN_EEPROM_CHKSUM; - - /* - * Set EEPROM default values. - */ - for (i = 0; i < sizeof(ADVEEP_38C1600_CONFIG); i++) - { - if (i == 1 && ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info) != 0) - { - /* - * Set Function 1 EEPROM Word 0 MSB - * - * Clear the BIOS_ENABLE (bit 14) and INTAB (bit 11) - * EEPROM bits. - * - * Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60 and - * old Mac system booting problem. The Expansion ROM must - * be disabled in Function 1 for these systems. - * - */ - *((uchar *) &eep_config + i) = - ((*((uchar *) &Default_38C1600_EEPROM_Config + i)) & - (~(((ADV_EEPROM_BIOS_ENABLE | ADV_EEPROM_INTAB) >> 8) & - 0xFF))); - - /* - * Set the INTAB (bit 11) if the GPIO 0 input indicates - * the Function 1 interrupt line is wired to INTA. - * - * Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input: - * 1 - Function 1 interrupt line wired to INT A. - * 0 - Function 1 interrupt line wired to INT B. - * - * Note: Adapter boards always have Function 0 wired to INTA. - * Put all 5 GPIO bits in input mode and then read - * their input values. - */ - AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0); - if (AdvReadByteRegister(iop_base, IOPB_GPIO_DATA) & 0x01) - { - /* Function 1 interrupt wired to INTA; Set EEPROM bit. */ - *((uchar *) &eep_config + i) |= - ((ADV_EEPROM_INTAB >> 8) & 0xFF); - } - } - else - { - *((uchar *) &eep_config + i) = - *((uchar *) &Default_38C1600_EEPROM_Config + i); - } - } - - /* - * Assume the 6 byte board serial number that was read - * from EEPROM is correct even if the EEPROM checksum - * failed. - */ - eep_config.serial_number_word3 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1); - - eep_config.serial_number_word2 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2); - - eep_config.serial_number_word1 = - AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3); - - AdvSet38C1600EEPConfig(iop_base, &eep_config); - } + /* Register DMA Channel for Narrow boards. */ + shost->dma_channel = NO_ISA_DMA; /* Default to no ISA DMA. */ +#ifdef CONFIG_ISA + if (ASC_NARROW_BOARD(boardp)) { + /* Register DMA channel for ISA bus. */ + if (asc_dvc_varp->bus_type & ASC_IS_ISA) { + shost->dma_channel = asc_dvc_varp->cfg->isa_dma_channel; + ret = request_dma(shost->dma_channel, DRV_NAME); + if (ret) { + shost_printk(KERN_ERR, shost, "request_dma() " + "%d failed %d\n", + shost->dma_channel, ret); + goto err_free_proc; + } + AscEnableIsaDma(shost->dma_channel); + } + } +#endif /* CONFIG_ISA */ - /* - * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the - * EEPROM configuration that was read. - * - * This is the mapping of EEPROM fields to Adv Library fields. - */ - asc_dvc->wdtr_able = eep_config.wdtr_able; - asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1; - asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2; - asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3; - asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4; - asc_dvc->ppr_able = 0; - asc_dvc->tagqng_able = eep_config.tagqng_able; - asc_dvc->cfg->disc_enable = eep_config.disc_enable; - asc_dvc->max_host_qng = eep_config.max_host_qng; - asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; - asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ASC_MAX_TID); - asc_dvc->start_motor = eep_config.start_motor; - asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay; - asc_dvc->bios_ctrl = eep_config.bios_ctrl; - asc_dvc->no_scam = eep_config.scam_tolerant; - - /* - * For every Target ID if any of its 'sdtr_speed[1234]' bits - * are set, then set an 'sdtr_able' bit for it. - */ - asc_dvc->sdtr_able = 0; - for (tid = 0; tid <= ASC_MAX_TID; tid++) - { - if (tid == 0) - { - sdtr_speed = asc_dvc->sdtr_speed1; - } else if (tid == 4) - { - sdtr_speed = asc_dvc->sdtr_speed2; - } else if (tid == 8) - { - sdtr_speed = asc_dvc->sdtr_speed3; - } else if (tid == 12) - { - sdtr_speed = asc_dvc->sdtr_speed4; - } - if (sdtr_speed & ASC_MAX_TID) - { - asc_dvc->sdtr_able |= (1 << tid); - } - sdtr_speed >>= 4; - } + /* Register IRQ Number. */ + ASC_DBG(2, "request_irq(%d, %p)\n", boardp->irq, shost); + + ret = request_irq(boardp->irq, advansys_interrupt, share_irq, + DRV_NAME, shost); + + if (ret) { + if (ret == -EBUSY) { + shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x " + "already in use\n", boardp->irq); + } else if (ret == -EINVAL) { + shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x " + "not valid\n", boardp->irq); + } else { + shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x " + "failed with %d\n", boardp->irq, ret); + } + goto err_free_dma; + } - /* - * Set the host maximum queuing (max. 253, min. 16) and the per device - * maximum queuing (max. 63, min. 4). - */ - if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) - { - eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; - } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) - { - /* If the value is zero, assume it is uninitialized. */ - if (eep_config.max_host_qng == 0) - { - eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; - } else - { - eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG; - } - } + /* + * Initialize board RISC chip and enable interrupts. + */ + if (ASC_NARROW_BOARD(boardp)) { + ASC_DBG(2, "AscInitAsc1000Driver()\n"); + + asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL); + if (!asc_dvc_varp->overrun_buf) { + ret = -ENOMEM; + goto err_free_wide_mem; + } + warn_code = AscInitAsc1000Driver(asc_dvc_varp); + + if (warn_code || asc_dvc_varp->err_code) { + shost_printk(KERN_ERR, shost, "error: init_state 0x%x, " + "warn 0x%x, error 0x%x\n", + asc_dvc_varp->init_state, warn_code, + asc_dvc_varp->err_code); + if (asc_dvc_varp->err_code) { + ret = -ENODEV; + kfree(asc_dvc_varp->overrun_buf); + } + } + } else { + if (advansys_wide_init_chip(shost)) + ret = -ENODEV; + } - if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) - { - eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; - } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) - { - /* If the value is zero, assume it is uninitialized. */ - if (eep_config.max_dvc_qng == 0) - { - eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; - } else - { - eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG; - } - } + if (ret) + goto err_free_wide_mem; - /* - * If 'max_dvc_qng' is greater than 'max_host_qng', then - * set 'max_dvc_qng' to 'max_host_qng'. - */ - if (eep_config.max_dvc_qng > eep_config.max_host_qng) - { - eep_config.max_dvc_qng = eep_config.max_host_qng; - } + ASC_DBG_PRT_SCSI_HOST(2, shost); - /* - * Set ASC_DVC_VAR 'max_host_qng' and ASC_DVC_VAR 'max_dvc_qng' - * values based on possibly adjusted EEPROM values. - */ - asc_dvc->max_host_qng = eep_config.max_host_qng; - asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; - - /* - * If the EEPROM 'termination' field is set to automatic (0), then set - * the ASC_DVC_CFG 'termination' field to automatic also. - * - * If the termination is specified with a non-zero 'termination' - * value check that a legal value is set and set the ASC_DVC_CFG - * 'termination' field appropriately. - */ - if (eep_config.termination_se == 0) - { - termination = 0; /* auto termination for SE */ - } else - { - /* Enable manual control with low off / high off. */ - if (eep_config.termination_se == 1) - { - termination = 0; - - /* Enable manual control with low off / high on. */ - } else if (eep_config.termination_se == 2) - { - termination = TERM_SE_HI; - - /* Enable manual control with low on / high on. */ - } else if (eep_config.termination_se == 3) - { - termination = TERM_SE; - } else - { - /* - * The EEPROM 'termination_se' field contains a bad value. - * Use automatic termination instead. - */ - termination = 0; - warn_code |= ASC_WARN_EEPROM_TERMINATION; - } - } + ret = scsi_add_host(shost, boardp->dev); + if (ret) + goto err_free_wide_mem; - if (eep_config.termination_lvd == 0) - { - asc_dvc->cfg->termination = termination; /* auto termination for LVD */ - } else - { - /* Enable manual control with low off / high off. */ - if (eep_config.termination_lvd == 1) - { - asc_dvc->cfg->termination = termination; - - /* Enable manual control with low off / high on. */ - } else if (eep_config.termination_lvd == 2) - { - asc_dvc->cfg->termination = termination | TERM_LVD_HI; - - /* Enable manual control with low on / high on. */ - } else if (eep_config.termination_lvd == 3) - { - asc_dvc->cfg->termination = - termination | TERM_LVD; - } else - { - /* - * The EEPROM 'termination_lvd' field contains a bad value. - * Use automatic termination instead. - */ - asc_dvc->cfg->termination = termination; - warn_code |= ASC_WARN_EEPROM_TERMINATION; - } - } + scsi_scan_host(shost); + return 0; - return warn_code; + err_free_wide_mem: + advansys_wide_free_mem(boardp); + free_irq(boardp->irq, shost); + err_free_dma: +#ifdef CONFIG_ISA + if (shost->dma_channel != NO_ISA_DMA) + free_dma(shost->dma_channel); +#endif + err_free_proc: + kfree(boardp->prtbuf); + err_unmap: + if (boardp->ioremap_addr) + iounmap(boardp->ioremap_addr); + err_shost: + return ret; } /* - * Read EEPROM configuration into the specified buffer. + * advansys_release() * - * Return a checksum based on the EEPROM configuration read. + * Release resources allocated for a single AdvanSys adapter. */ -STATIC ushort __init -AdvGet3550EEPConfig(AdvPortAddr iop_base, ADVEEP_3550_CONFIG *cfg_buf) +static int advansys_release(struct Scsi_Host *shost) { - ushort wval, chksum; - ushort *wbuf; - int eep_addr; - ushort *charfields; - - charfields = (ushort *) &ADVEEP_3550_Config_Field_IsChar; - wbuf = (ushort *) cfg_buf; - chksum = 0; - - for (eep_addr = ADV_EEP_DVC_CFG_BEGIN; - eep_addr < ADV_EEP_DVC_CFG_END; - eep_addr++, wbuf++) - { - wval = AdvReadEEPWord(iop_base, eep_addr); - chksum += wval; /* Checksum is calculated from word values. */ - if (*charfields++) { - *wbuf = le16_to_cpu(wval); - } else { - *wbuf = wval; - } - } - /* Read checksum word. */ - *wbuf = AdvReadEEPWord(iop_base, eep_addr); - wbuf++; charfields++; - - /* Read rest of EEPROM not covered by the checksum. */ - for (eep_addr = ADV_EEP_DVC_CTL_BEGIN; - eep_addr < ADV_EEP_MAX_WORD_ADDR; - eep_addr++, wbuf++) - { - *wbuf = AdvReadEEPWord(iop_base, eep_addr); - if (*charfields++) { - *wbuf = le16_to_cpu(*wbuf); - } - } - return chksum; + struct asc_board *board = shost_priv(shost); + ASC_DBG(1, "begin\n"); + scsi_remove_host(shost); + free_irq(board->irq, shost); +#ifdef CONFIG_ISA + if (shost->dma_channel != NO_ISA_DMA) { + ASC_DBG(1, "free_dma()\n"); + free_dma(shost->dma_channel); + } +#endif + if (ASC_NARROW_BOARD(board)) { + dma_unmap_single(board->dev, + board->dvc_var.asc_dvc_var.overrun_dma, + ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE); + kfree(board->dvc_var.asc_dvc_var.overrun_buf); + } else { + iounmap(board->ioremap_addr); + advansys_wide_free_mem(board); + } + kfree(board->prtbuf); + scsi_host_put(shost); + ASC_DBG(1, "end\n"); + return 0; } -/* - * Read EEPROM configuration into the specified buffer. - * - * Return a checksum based on the EEPROM configuration read. - */ -STATIC ushort __init -AdvGet38C0800EEPConfig(AdvPortAddr iop_base, - ADVEEP_38C0800_CONFIG *cfg_buf) -{ - ushort wval, chksum; - ushort *wbuf; - int eep_addr; - ushort *charfields; - - charfields = (ushort *) &ADVEEP_38C0800_Config_Field_IsChar; - wbuf = (ushort *) cfg_buf; - chksum = 0; - - for (eep_addr = ADV_EEP_DVC_CFG_BEGIN; - eep_addr < ADV_EEP_DVC_CFG_END; - eep_addr++, wbuf++) - { - wval = AdvReadEEPWord(iop_base, eep_addr); - chksum += wval; /* Checksum is calculated from word values. */ - if (*charfields++) { - *wbuf = le16_to_cpu(wval); - } else { - *wbuf = wval; - } - } - /* Read checksum word. */ - *wbuf = AdvReadEEPWord(iop_base, eep_addr); - wbuf++; charfields++; - - /* Read rest of EEPROM not covered by the checksum. */ - for (eep_addr = ADV_EEP_DVC_CTL_BEGIN; - eep_addr < ADV_EEP_MAX_WORD_ADDR; - eep_addr++, wbuf++) - { - *wbuf = AdvReadEEPWord(iop_base, eep_addr); - if (*charfields++) { - *wbuf = le16_to_cpu(*wbuf); - } - } - return chksum; -} +#define ASC_IOADR_TABLE_MAX_IX 11 + +static PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] = { + 0x100, 0x0110, 0x120, 0x0130, 0x140, 0x0150, 0x0190, + 0x0210, 0x0230, 0x0250, 0x0330 +}; /* - * Read EEPROM configuration into the specified buffer. - * - * Return a checksum based on the EEPROM configuration read. + * The ISA IRQ number is found in bits 2 and 3 of the CfgLsw. It decodes as: + * 00: 10 + * 01: 11 + * 10: 12 + * 11: 15 */ -STATIC ushort __init -AdvGet38C1600EEPConfig(AdvPortAddr iop_base, - ADVEEP_38C1600_CONFIG *cfg_buf) +static unsigned int __devinit advansys_isa_irq_no(PortAddr iop_base) { - ushort wval, chksum; - ushort *wbuf; - int eep_addr; - ushort *charfields; - - charfields = (ushort*) &ADVEEP_38C1600_Config_Field_IsChar; - wbuf = (ushort *) cfg_buf; - chksum = 0; - - for (eep_addr = ADV_EEP_DVC_CFG_BEGIN; - eep_addr < ADV_EEP_DVC_CFG_END; - eep_addr++, wbuf++) - { - wval = AdvReadEEPWord(iop_base, eep_addr); - chksum += wval; /* Checksum is calculated from word values. */ - if (*charfields++) { - *wbuf = le16_to_cpu(wval); - } else { - *wbuf = wval; - } - } - /* Read checksum word. */ - *wbuf = AdvReadEEPWord(iop_base, eep_addr); - wbuf++; charfields++; - - /* Read rest of EEPROM not covered by the checksum. */ - for (eep_addr = ADV_EEP_DVC_CTL_BEGIN; - eep_addr < ADV_EEP_MAX_WORD_ADDR; - eep_addr++, wbuf++) - { - *wbuf = AdvReadEEPWord(iop_base, eep_addr); - if (*charfields++) { - *wbuf = le16_to_cpu(*wbuf); - } - } - return chksum; + unsigned short cfg_lsw = AscGetChipCfgLsw(iop_base); + unsigned int chip_irq = ((cfg_lsw >> 2) & 0x03) + 10; + if (chip_irq == 13) + chip_irq = 15; + return chip_irq; } -/* - * Read the EEPROM from specified location - */ -STATIC ushort __init -AdvReadEEPWord(AdvPortAddr iop_base, int eep_word_addr) +static int __devinit advansys_isa_probe(struct device *dev, unsigned int id) { - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, - ASC_EEP_CMD_READ | eep_word_addr); - AdvWaitEEPCmd(iop_base); - return AdvReadWordRegister(iop_base, IOPW_EE_DATA); -} + int err = -ENODEV; + PortAddr iop_base = _asc_def_iop_base[id]; + struct Scsi_Host *shost; + struct asc_board *board; + + if (!request_region(iop_base, ASC_IOADR_GAP, DRV_NAME)) { + ASC_DBG(1, "I/O port 0x%x busy\n", iop_base); + return -ENODEV; + } + ASC_DBG(1, "probing I/O port 0x%x\n", iop_base); + if (!AscFindSignature(iop_base)) + goto release_region; + if (!(AscGetChipVersion(iop_base, ASC_IS_ISA) & ASC_CHIP_VER_ISA_BIT)) + goto release_region; + + err = -ENOMEM; + shost = scsi_host_alloc(&advansys_template, sizeof(*board)); + if (!shost) + goto release_region; + + board = shost_priv(shost); + board->irq = advansys_isa_irq_no(iop_base); + board->dev = dev; + + err = advansys_board_found(shost, iop_base, ASC_IS_ISA); + if (err) + goto free_host; + + dev_set_drvdata(dev, shost); + return 0; + + free_host: + scsi_host_put(shost); + release_region: + release_region(iop_base, ASC_IOADR_GAP); + return err; +} + +static int __devexit advansys_isa_remove(struct device *dev, unsigned int id) +{ + int ioport = _asc_def_iop_base[id]; + advansys_release(dev_get_drvdata(dev)); + release_region(ioport, ASC_IOADR_GAP); + return 0; +} + +static struct isa_driver advansys_isa_driver = { + .probe = advansys_isa_probe, + .remove = __devexit_p(advansys_isa_remove), + .driver = { + .owner = THIS_MODULE, + .name = DRV_NAME, + }, +}; /* - * Wait for EEPROM command to complete + * The VLB IRQ number is found in bits 2 to 4 of the CfgLsw. It decodes as: + * 000: invalid + * 001: 10 + * 010: 11 + * 011: 12 + * 100: invalid + * 101: 14 + * 110: 15 + * 111: invalid */ -STATIC void __init -AdvWaitEEPCmd(AdvPortAddr iop_base) +static unsigned int __devinit advansys_vlb_irq_no(PortAddr iop_base) { - int eep_delay_ms; - - for (eep_delay_ms = 0; eep_delay_ms < ADV_EEP_DELAY_MS; eep_delay_ms++) - { - if (AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) - { - break; - } - DvcSleepMilliSecond(1); - } - if ((AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) == 0) - { - ASC_ASSERT(0); - } - return; + unsigned short cfg_lsw = AscGetChipCfgLsw(iop_base); + unsigned int chip_irq = ((cfg_lsw >> 2) & 0x07) + 9; + if ((chip_irq < 10) || (chip_irq == 13) || (chip_irq > 15)) + return 0; + return chip_irq; } -/* - * Write the EEPROM from 'cfg_buf'. - */ -void __init -AdvSet3550EEPConfig(AdvPortAddr iop_base, ADVEEP_3550_CONFIG *cfg_buf) +static int __devinit advansys_vlb_probe(struct device *dev, unsigned int id) { - ushort *wbuf; - ushort addr, chksum; - ushort *charfields; - - wbuf = (ushort *) cfg_buf; - charfields = (ushort *) &ADVEEP_3550_Config_Field_IsChar; - chksum = 0; - - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE); - AdvWaitEEPCmd(iop_base); - - /* - * Write EEPROM from word 0 to word 20. - */ - for (addr = ADV_EEP_DVC_CFG_BEGIN; - addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) - { - ushort word; - - if (*charfields++) { - word = cpu_to_le16(*wbuf); - } else { - word = *wbuf; - } - chksum += *wbuf; /* Checksum is calculated from word values. */ - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - DvcSleepMilliSecond(ADV_EEP_DELAY_MS); - } + int err = -ENODEV; + PortAddr iop_base = _asc_def_iop_base[id]; + struct Scsi_Host *shost; + struct asc_board *board; - /* - * Write EEPROM checksum at word 21. - */ - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - wbuf++; charfields++; - - /* - * Write EEPROM OEM name at words 22 to 29. - */ - for (addr = ADV_EEP_DVC_CTL_BEGIN; - addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) - { - ushort word; - - if (*charfields++) { - word = cpu_to_le16(*wbuf); - } else { - word = *wbuf; - } - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - } - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE); - AdvWaitEEPCmd(iop_base); - return; -} + if (!request_region(iop_base, ASC_IOADR_GAP, DRV_NAME)) { + ASC_DBG(1, "I/O port 0x%x busy\n", iop_base); + return -ENODEV; + } + ASC_DBG(1, "probing I/O port 0x%x\n", iop_base); + if (!AscFindSignature(iop_base)) + goto release_region; + /* + * I don't think this condition can actually happen, but the old + * driver did it, and the chances of finding a VLB setup in 2007 + * to do testing with is slight to none. + */ + if (AscGetChipVersion(iop_base, ASC_IS_VL) > ASC_CHIP_MAX_VER_VL) + goto release_region; + + err = -ENOMEM; + shost = scsi_host_alloc(&advansys_template, sizeof(*board)); + if (!shost) + goto release_region; + + board = shost_priv(shost); + board->irq = advansys_vlb_irq_no(iop_base); + board->dev = dev; + + err = advansys_board_found(shost, iop_base, ASC_IS_VL); + if (err) + goto free_host; + + dev_set_drvdata(dev, shost); + return 0; + + free_host: + scsi_host_put(shost); + release_region: + release_region(iop_base, ASC_IOADR_GAP); + return -ENODEV; +} + +static struct isa_driver advansys_vlb_driver = { + .probe = advansys_vlb_probe, + .remove = __devexit_p(advansys_isa_remove), + .driver = { + .owner = THIS_MODULE, + .name = "advansys_vlb", + }, +}; -/* - * Write the EEPROM from 'cfg_buf'. - */ -void __init -AdvSet38C0800EEPConfig(AdvPortAddr iop_base, - ADVEEP_38C0800_CONFIG *cfg_buf) -{ - ushort *wbuf; - ushort *charfields; - ushort addr, chksum; - - wbuf = (ushort *) cfg_buf; - charfields = (ushort *) &ADVEEP_38C0800_Config_Field_IsChar; - chksum = 0; - - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE); - AdvWaitEEPCmd(iop_base); - - /* - * Write EEPROM from word 0 to word 20. - */ - for (addr = ADV_EEP_DVC_CFG_BEGIN; - addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) - { - ushort word; - - if (*charfields++) { - word = cpu_to_le16(*wbuf); - } else { - word = *wbuf; - } - chksum += *wbuf; /* Checksum is calculated from word values. */ - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - DvcSleepMilliSecond(ADV_EEP_DELAY_MS); - } +static struct eisa_device_id advansys_eisa_table[] __devinitdata = { + { "ABP7401" }, + { "ABP7501" }, + { "" } +}; - /* - * Write EEPROM checksum at word 21. - */ - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - wbuf++; charfields++; - - /* - * Write EEPROM OEM name at words 22 to 29. - */ - for (addr = ADV_EEP_DVC_CTL_BEGIN; - addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) - { - ushort word; - - if (*charfields++) { - word = cpu_to_le16(*wbuf); - } else { - word = *wbuf; - } - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - } - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE); - AdvWaitEEPCmd(iop_base); - return; -} +MODULE_DEVICE_TABLE(eisa, advansys_eisa_table); /* - * Write the EEPROM from 'cfg_buf'. + * EISA is a little more tricky than PCI; each EISA device may have two + * channels, and this driver is written to make each channel its own Scsi_Host */ -void __init -AdvSet38C1600EEPConfig(AdvPortAddr iop_base, - ADVEEP_38C1600_CONFIG *cfg_buf) -{ - ushort *wbuf; - ushort *charfields; - ushort addr, chksum; - - wbuf = (ushort *) cfg_buf; - charfields = (ushort *) &ADVEEP_38C1600_Config_Field_IsChar; - chksum = 0; - - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE); - AdvWaitEEPCmd(iop_base); - - /* - * Write EEPROM from word 0 to word 20. - */ - for (addr = ADV_EEP_DVC_CFG_BEGIN; - addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) - { - ushort word; - - if (*charfields++) { - word = cpu_to_le16(*wbuf); - } else { - word = *wbuf; - } - chksum += *wbuf; /* Checksum is calculated from word values. */ - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - DvcSleepMilliSecond(ADV_EEP_DELAY_MS); - } +struct eisa_scsi_data { + struct Scsi_Host *host[2]; +}; - /* - * Write EEPROM checksum at word 21. - */ - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - wbuf++; charfields++; - - /* - * Write EEPROM OEM name at words 22 to 29. - */ - for (addr = ADV_EEP_DVC_CTL_BEGIN; - addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) - { - ushort word; - - if (*charfields++) { - word = cpu_to_le16(*wbuf); - } else { - word = *wbuf; - } - AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word); - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); - AdvWaitEEPCmd(iop_base); - } - AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE); - AdvWaitEEPCmd(iop_base); - return; +/* + * The EISA IRQ number is found in bits 8 to 10 of the CfgLsw. It decodes as: + * 000: 10 + * 001: 11 + * 010: 12 + * 011: invalid + * 100: 14 + * 101: 15 + * 110: invalid + * 111: invalid + */ +static unsigned int __devinit advansys_eisa_irq_no(struct eisa_device *edev) +{ + unsigned short cfg_lsw = inw(edev->base_addr + 0xc86); + unsigned int chip_irq = ((cfg_lsw >> 8) & 0x07) + 10; + if ((chip_irq == 13) || (chip_irq > 15)) + return 0; + return chip_irq; +} + +static int __devinit advansys_eisa_probe(struct device *dev) +{ + int i, ioport, irq = 0; + int err; + struct eisa_device *edev = to_eisa_device(dev); + struct eisa_scsi_data *data; + + err = -ENOMEM; + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + goto fail; + ioport = edev->base_addr + 0xc30; + + err = -ENODEV; + for (i = 0; i < 2; i++, ioport += 0x20) { + struct asc_board *board; + struct Scsi_Host *shost; + if (!request_region(ioport, ASC_IOADR_GAP, DRV_NAME)) { + printk(KERN_WARNING "Region %x-%x busy\n", ioport, + ioport + ASC_IOADR_GAP - 1); + continue; + } + if (!AscFindSignature(ioport)) { + release_region(ioport, ASC_IOADR_GAP); + continue; + } + + /* + * I don't know why we need to do this for EISA chips, but + * not for any others. It looks to be equivalent to + * AscGetChipCfgMsw, but I may have overlooked something, + * so I'm not converting it until I get an EISA board to + * test with. + */ + inw(ioport + 4); + + if (!irq) + irq = advansys_eisa_irq_no(edev); + + err = -ENOMEM; + shost = scsi_host_alloc(&advansys_template, sizeof(*board)); + if (!shost) + goto release_region; + + board = shost_priv(shost); + board->irq = irq; + board->dev = dev; + + err = advansys_board_found(shost, ioport, ASC_IS_EISA); + if (!err) { + data->host[i] = shost; + continue; + } + + scsi_host_put(shost); + release_region: + release_region(ioport, ASC_IOADR_GAP); + break; + } + + if (err) + goto free_data; + dev_set_drvdata(dev, data); + return 0; + + free_data: + kfree(data->host[0]); + kfree(data->host[1]); + kfree(data); + fail: + return err; } -/* a_advlib.c */ -/* - * AdvExeScsiQueue() - Send a request to the RISC microcode program. - * - * Allocate a carrier structure, point the carrier to the ADV_SCSI_REQ_Q, - * add the carrier to the ICQ (Initiator Command Queue), and tickle the - * RISC to notify it a new command is ready to be executed. - * - * If 'done_status' is not set to QD_DO_RETRY, then 'error_retry' will be - * set to SCSI_MAX_RETRY. - * - * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the microcode - * for DMA addresses or math operations are byte swapped to little-endian - * order. - * - * Return: - * ADV_SUCCESS(1) - The request was successfully queued. - * ADV_BUSY(0) - Resource unavailable; Retry again after pending - * request completes. - * ADV_ERROR(-1) - Invalid ADV_SCSI_REQ_Q request structure - * host IC error. - */ -STATIC int -AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, - ADV_SCSI_REQ_Q *scsiq) +static __devexit int advansys_eisa_remove(struct device *dev) { - ulong last_int_level; - AdvPortAddr iop_base; - ADV_DCNT req_size; - ADV_PADDR req_paddr; - ADV_CARR_T *new_carrp; - - ASC_ASSERT(scsiq != NULL); /* 'scsiq' should never be NULL. */ - - /* - * The ADV_SCSI_REQ_Q 'target_id' field should never exceed ADV_MAX_TID. - */ - if (scsiq->target_id > ADV_MAX_TID) - { - scsiq->host_status = QHSTA_M_INVALID_DEVICE; - scsiq->done_status = QD_WITH_ERROR; - return ADV_ERROR; - } + int i; + struct eisa_scsi_data *data = dev_get_drvdata(dev); - iop_base = asc_dvc->iop_base; + for (i = 0; i < 2; i++) { + int ioport; + struct Scsi_Host *shost = data->host[i]; + if (!shost) + continue; + ioport = shost->io_port; + advansys_release(shost); + release_region(ioport, ASC_IOADR_GAP); + } - last_int_level = DvcEnterCritical(); + kfree(data); + return 0; +} - /* - * Allocate a carrier ensuring at least one carrier always - * remains on the freelist and initialize fields. - */ - if ((new_carrp = asc_dvc->carr_freelist) == NULL) - { - DvcLeaveCritical(last_int_level); - return ADV_BUSY; - } - asc_dvc->carr_freelist = (ADV_CARR_T *) - ADV_U32_TO_VADDR(le32_to_cpu(new_carrp->next_vpa)); - asc_dvc->carr_pending_cnt++; - - /* - * Set the carrier to be a stopper by setting 'next_vpa' - * to the stopper value. The current stopper will be changed - * below to point to the new stopper. - */ - new_carrp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER); - - /* - * Clear the ADV_SCSI_REQ_Q done flag. - */ - scsiq->a_flag &= ~ADV_SCSIQ_DONE; - - req_size = sizeof(ADV_SCSI_REQ_Q); - req_paddr = DvcGetPhyAddr(asc_dvc, scsiq, (uchar *) scsiq, - (ADV_SDCNT *) &req_size, ADV_IS_SCSIQ_FLAG); - - ASC_ASSERT(ADV_32BALIGN(req_paddr) == req_paddr); - ASC_ASSERT(req_size >= sizeof(ADV_SCSI_REQ_Q)); - - /* Wait for assertion before making little-endian */ - req_paddr = cpu_to_le32(req_paddr); - - /* Save virtual and physical address of ADV_SCSI_REQ_Q and carrier. */ - scsiq->scsiq_ptr = cpu_to_le32(ADV_VADDR_TO_U32(scsiq)); - scsiq->scsiq_rptr = req_paddr; - - scsiq->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->icq_sp)); - /* - * Every ADV_CARR_T.carr_pa is byte swapped to little-endian - * order during initialization. - */ - scsiq->carr_pa = asc_dvc->icq_sp->carr_pa; - - /* - * Use the current stopper to send the ADV_SCSI_REQ_Q command to - * the microcode. The newly allocated stopper will become the new - * stopper. - */ - asc_dvc->icq_sp->areq_vpa = req_paddr; - - /* - * Set the 'next_vpa' pointer for the old stopper to be the - * physical address of the new stopper. The RISC can only - * follow physical addresses. - */ - asc_dvc->icq_sp->next_vpa = new_carrp->carr_pa; - - /* - * Set the host adapter stopper pointer to point to the new carrier. - */ - asc_dvc->icq_sp = new_carrp; - - if (asc_dvc->chip_type == ADV_CHIP_ASC3550 || - asc_dvc->chip_type == ADV_CHIP_ASC38C0800) - { - /* - * Tickle the RISC to tell it to read its Command Queue Head pointer. - */ - AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_A); - if (asc_dvc->chip_type == ADV_CHIP_ASC3550) - { - /* - * Clear the tickle value. In the ASC-3550 the RISC flag - * command 'clr_tickle_a' does not work unless the host - * value is cleared. - */ - AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP); - } - } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) - { - /* - * Notify the RISC a carrier is ready by writing the physical - * address of the new carrier stopper to the COMMA register. - */ - AdvWriteDWordRegister(iop_base, IOPDW_COMMA, - le32_to_cpu(new_carrp->carr_pa)); - } +static struct eisa_driver advansys_eisa_driver = { + .id_table = advansys_eisa_table, + .driver = { + .name = DRV_NAME, + .probe = advansys_eisa_probe, + .remove = __devexit_p(advansys_eisa_remove), + } +}; + +/* PCI Devices supported by this driver */ +static struct pci_device_id advansys_pci_tbl[] __devinitdata = { + {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_1200A, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940U, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940UW, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C0800_REV1, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C1600_REV1, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {} +}; - DvcLeaveCritical(last_int_level); +MODULE_DEVICE_TABLE(pci, advansys_pci_tbl); - return ADV_SUCCESS; +static void __devinit advansys_set_latency(struct pci_dev *pdev) +{ + if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) || + (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) { + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0); + } else { + u8 latency; + pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &latency); + if (latency < 0x20) + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x20); + } } -/* - * Reset SCSI Bus and purge all outstanding requests. - * - * Return Value: - * ADV_TRUE(1) - All requests are purged and SCSI Bus is reset. - * ADV_FALSE(0) - Microcode command failed. - * ADV_ERROR(-1) - Microcode command timed-out. Microcode or IC - * may be hung which requires driver recovery. - */ -STATIC int -AdvResetSB(ADV_DVC_VAR *asc_dvc) +static int __devinit +advansys_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - int status; - - /* - * Send the SCSI Bus Reset idle start idle command which asserts - * the SCSI Bus Reset signal. - */ - status = AdvSendIdleCmd(asc_dvc, (ushort) IDLE_CMD_SCSI_RESET_START, 0L); - if (status != ADV_TRUE) - { - return status; - } + int err, ioport; + struct Scsi_Host *shost; + struct asc_board *board; - /* - * Delay for the specified SCSI Bus Reset hold time. - * - * The hold time delay is done on the host because the RISC has no - * microsecond accurate timer. - */ - DvcDelayMicroSecond(asc_dvc, (ushort) ASC_SCSI_RESET_HOLD_TIME_US); - - /* - * Send the SCSI Bus Reset end idle command which de-asserts - * the SCSI Bus Reset signal and purges any pending requests. - */ - status = AdvSendIdleCmd(asc_dvc, (ushort) IDLE_CMD_SCSI_RESET_END, 0L); - if (status != ADV_TRUE) - { - return status; - } + err = pci_enable_device(pdev); + if (err) + goto fail; + err = pci_request_regions(pdev, DRV_NAME); + if (err) + goto disable_device; + pci_set_master(pdev); + advansys_set_latency(pdev); - DvcSleepMilliSecond((ADV_DCNT) asc_dvc->scsi_reset_wait * 1000); + err = -ENODEV; + if (pci_resource_len(pdev, 0) == 0) + goto release_region; - return status; -} + ioport = pci_resource_start(pdev, 0); -/* - * Reset chip and SCSI Bus. - * - * Return Value: - * ADV_TRUE(1) - Chip re-initialization and SCSI Bus Reset successful. - * ADV_FALSE(0) - Chip re-initialization and SCSI Bus Reset failure. - */ -STATIC int -AdvResetChipAndSB(ADV_DVC_VAR *asc_dvc) -{ - int status; - ushort wdtr_able, sdtr_able, tagqng_able; - ushort ppr_able = 0; - uchar tid, max_cmd[ADV_MAX_TID + 1]; - AdvPortAddr iop_base; - ushort bios_sig; - - iop_base = asc_dvc->iop_base; - - /* - * Save current per TID negotiated values. - */ - AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) - { - AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able); - } - AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - for (tid = 0; tid <= ADV_MAX_TID; tid++) - { - AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - max_cmd[tid]); - } + err = -ENOMEM; + shost = scsi_host_alloc(&advansys_template, sizeof(*board)); + if (!shost) + goto release_region; - /* - * Force the AdvInitAsc3550/38C0800Driver() function to - * perform a SCSI Bus Reset by clearing the BIOS signature word. - * The initialization functions assumes a SCSI Bus Reset is not - * needed if the BIOS signature word is present. - */ - AdvReadWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig); - AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, 0); - - /* - * Stop chip and reset it. - */ - AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_STOP); - AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET); - DvcSleepMilliSecond(100); - AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_WR_IO_REG); - - /* - * Reset Adv Library error code, if any, and try - * re-initializing the chip. - */ - asc_dvc->err_code = 0; - if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) - { - status = AdvInitAsc38C1600Driver(asc_dvc); - } - else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) - { - status = AdvInitAsc38C0800Driver(asc_dvc); - } else - { - status = AdvInitAsc3550Driver(asc_dvc); - } + board = shost_priv(shost); + board->irq = pdev->irq; + board->dev = &pdev->dev; - /* Translate initialization return value to status value. */ - if (status == 0) - { - status = ADV_TRUE; - } else - { - status = ADV_FALSE; - } + if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW || + pdev->device == PCI_DEVICE_ID_38C0800_REV1 || + pdev->device == PCI_DEVICE_ID_38C1600_REV1) { + board->flags |= ASC_IS_WIDE_BOARD; + } - /* - * Restore the BIOS signature word. - */ - AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig); - - /* - * Restore per TID negotiated values. - */ - AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able); - AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); - if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) - { - AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able); - } - AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able); - for (tid = 0; tid <= ADV_MAX_TID; tid++) - { - AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - max_cmd[tid]); - } + err = advansys_board_found(shost, ioport, ASC_IS_PCI); + if (err) + goto free_host; + + pci_set_drvdata(pdev, shost); + return 0; - return status; + free_host: + scsi_host_put(shost); + release_region: + pci_release_regions(pdev); + disable_device: + pci_disable_device(pdev); + fail: + return err; } -/* - * Adv Library Interrupt Service Routine - * - * This function is called by a driver's interrupt service routine. - * The function disables and re-enables interrupts. - * - * When a microcode idle command is completed, the ADV_DVC_VAR - * 'idle_cmd_done' field is set to ADV_TRUE. - * - * Note: AdvISR() can be called when interrupts are disabled or even - * when there is no hardware interrupt condition present. It will - * always check for completed idle commands and microcode requests. - * This is an important feature that shouldn't be changed because it - * allows commands to be completed from polling mode loops. - * - * Return: - * ADV_TRUE(1) - interrupt was pending - * ADV_FALSE(0) - no interrupt was pending - */ -STATIC int -AdvISR(ADV_DVC_VAR *asc_dvc) +static void __devexit advansys_pci_remove(struct pci_dev *pdev) { - AdvPortAddr iop_base; - uchar int_stat; - ushort target_bit; - ADV_CARR_T *free_carrp; - ADV_VADDR irq_next_vpa; - int flags; - ADV_SCSI_REQ_Q *scsiq; - - flags = DvcEnterCritical(); - - iop_base = asc_dvc->iop_base; - - /* Reading the register clears the interrupt. */ - int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG); - - if ((int_stat & (ADV_INTR_STATUS_INTRA | ADV_INTR_STATUS_INTRB | - ADV_INTR_STATUS_INTRC)) == 0) - { - DvcLeaveCritical(flags); - return ADV_FALSE; - } - - /* - * Notify the driver of an asynchronous microcode condition by - * calling the ADV_DVC_VAR.async_callback function. The function - * is passed the microcode ASC_MC_INTRB_CODE byte value. - */ - if (int_stat & ADV_INTR_STATUS_INTRB) - { - uchar intrb_code; - - AdvReadByteLram(iop_base, ASC_MC_INTRB_CODE, intrb_code); - - if (asc_dvc->chip_type == ADV_CHIP_ASC3550 || - asc_dvc->chip_type == ADV_CHIP_ASC38C0800) - { - if (intrb_code == ADV_ASYNC_CARRIER_READY_FAILURE && - asc_dvc->carr_pending_cnt != 0) - { - AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_A); - if (asc_dvc->chip_type == ADV_CHIP_ASC3550) - { - AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP); - } - } - } - - if (asc_dvc->async_callback != 0) - { - (*asc_dvc->async_callback)(asc_dvc, intrb_code); - } - } - - /* - * Check if the IRQ stopper carrier contains a completed request. - */ - while (((irq_next_vpa = - le32_to_cpu(asc_dvc->irq_sp->next_vpa)) & ASC_RQ_DONE) != 0) - { - /* - * Get a pointer to the newly completed ADV_SCSI_REQ_Q structure. - * The RISC will have set 'areq_vpa' to a virtual address. - * - * The firmware will have copied the ASC_SCSI_REQ_Q.scsiq_ptr - * field to the carrier ADV_CARR_T.areq_vpa field. The conversion - * below complements the conversion of ASC_SCSI_REQ_Q.scsiq_ptr' - * in AdvExeScsiQueue(). - */ - scsiq = (ADV_SCSI_REQ_Q *) - ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->areq_vpa)); - - /* - * Request finished with good status and the queue was not - * DMAed to host memory by the firmware. Set all status fields - * to indicate good status. - */ - if ((irq_next_vpa & ASC_RQ_GOOD) != 0) - { - scsiq->done_status = QD_NO_ERROR; - scsiq->host_status = scsiq->scsi_status = 0; - scsiq->data_cnt = 0L; - } - - /* - * Advance the stopper pointer to the next carrier - * ignoring the lower four bits. Free the previous - * stopper carrier. - */ - free_carrp = asc_dvc->irq_sp; - asc_dvc->irq_sp = (ADV_CARR_T *) - ADV_U32_TO_VADDR(ASC_GET_CARRP(irq_next_vpa)); - - free_carrp->next_vpa = - cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist)); - asc_dvc->carr_freelist = free_carrp; - asc_dvc->carr_pending_cnt--; - - ASC_ASSERT(scsiq != NULL); - target_bit = ADV_TID_TO_TIDMASK(scsiq->target_id); - - /* - * Clear request microcode control flag. - */ - scsiq->cntl = 0; - - /* - * If the command that completed was a SCSI INQUIRY and - * LUN 0 was sent the command, then process the INQUIRY - * command information for the device. - * - * Note: If data returned were either VPD or CmdDt data, - * don't process the INQUIRY command information for - * the device, otherwise may erroneously set *_able bits. - */ - if (scsiq->done_status == QD_NO_ERROR && - scsiq->cdb[0] == INQUIRY && - scsiq->target_lun == 0 && - (scsiq->cdb[1] & ADV_INQ_RTN_VPD_AND_CMDDT) - == ADV_INQ_RTN_STD_INQUIRY_DATA) - { - AdvInquiryHandling(asc_dvc, scsiq); - } - - /* - * Notify the driver of the completed request by passing - * the ADV_SCSI_REQ_Q pointer to its callback function. - */ - scsiq->a_flag |= ADV_SCSIQ_DONE; - (*asc_dvc->isr_callback)(asc_dvc, scsiq); - /* - * Note: After the driver callback function is called, 'scsiq' - * can no longer be referenced. - * - * Fall through and continue processing other completed - * requests... - */ - - /* - * Disable interrupts again in case the driver inadvertently - * enabled interrupts in its callback function. - * - * The DvcEnterCritical() return value is ignored, because - * the 'flags' saved when AdvISR() was first entered will be - * used to restore the interrupt flag on exit. - */ - (void) DvcEnterCritical(); - } - DvcLeaveCritical(flags); - return ADV_TRUE; + advansys_release(pci_get_drvdata(pdev)); + pci_release_regions(pdev); + pci_disable_device(pdev); } -/* - * Send an idle command to the chip and wait for completion. - * - * Command completion is polled for once per microsecond. - * - * The function can be called from anywhere including an interrupt handler. - * But the function is not re-entrant, so it uses the DvcEnter/LeaveCritical() - * functions to prevent reentrancy. - * - * Return Values: - * ADV_TRUE - command completed successfully - * ADV_FALSE - command failed - * ADV_ERROR - command timed out - */ -STATIC int -AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc, - ushort idle_cmd, - ADV_DCNT idle_cmd_parameter) +static struct pci_driver advansys_pci_driver = { + .name = DRV_NAME, + .id_table = advansys_pci_tbl, + .probe = advansys_pci_probe, + .remove = __devexit_p(advansys_pci_remove), +}; + +static int __init advansys_init(void) { - ulong last_int_level; - int result; - ADV_DCNT i, j; - AdvPortAddr iop_base; - - last_int_level = DvcEnterCritical(); - - iop_base = asc_dvc->iop_base; - - /* - * Clear the idle command status which is set by the microcode - * to a non-zero value to indicate when the command is completed. - * The non-zero result is one of the IDLE_CMD_STATUS_* values - * defined in a_advlib.h. - */ - AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort) 0); - - /* - * Write the idle command value after the idle command parameter - * has been written to avoid a race condition. If the order is not - * followed, the microcode may process the idle command before the - * parameters have been written to LRAM. - */ - AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER, - cpu_to_le32(idle_cmd_parameter)); - AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd); - - /* - * Tickle the RISC to tell it to process the idle command. - */ - AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B); - if (asc_dvc->chip_type == ADV_CHIP_ASC3550) - { - /* - * Clear the tickle value. In the ASC-3550 the RISC flag - * command 'clr_tickle_b' does not work unless the host - * value is cleared. - */ - AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP); - } + int error; - /* Wait for up to 100 millisecond for the idle command to timeout. */ - for (i = 0; i < SCSI_WAIT_100_MSEC; i++) - { - /* Poll once each microsecond for command completion. */ - for (j = 0; j < SCSI_US_PER_MSEC; j++) - { - AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, result); - if (result != 0) - { - DvcLeaveCritical(last_int_level); - return result; - } - DvcDelayMicroSecond(asc_dvc, (ushort) 1); - } - } + error = isa_register_driver(&advansys_isa_driver, + ASC_IOADR_TABLE_MAX_IX); + if (error) + goto fail; + + error = isa_register_driver(&advansys_vlb_driver, + ASC_IOADR_TABLE_MAX_IX); + if (error) + goto unregister_isa; - ASC_ASSERT(0); /* The idle command should never timeout. */ - DvcLeaveCritical(last_int_level); - return ADV_ERROR; + error = eisa_driver_register(&advansys_eisa_driver); + if (error) + goto unregister_vlb; + + error = pci_register_driver(&advansys_pci_driver); + if (error) + goto unregister_eisa; + + return 0; + + unregister_eisa: + eisa_driver_unregister(&advansys_eisa_driver); + unregister_vlb: + isa_unregister_driver(&advansys_vlb_driver); + unregister_isa: + isa_unregister_driver(&advansys_isa_driver); + fail: + return error; } -/* - * Inquiry Information Byte 7 Handling - * - * Handle SCSI Inquiry Command information for a device by setting - * microcode operating variables that affect WDTR, SDTR, and Tag - * Queuing. - */ -STATIC void -AdvInquiryHandling( - ADV_DVC_VAR *asc_dvc, - ADV_SCSI_REQ_Q *scsiq) +static void __exit advansys_exit(void) { - AdvPortAddr iop_base; - uchar tid; - ADV_SCSI_INQUIRY *inq; - ushort tidmask; - ushort cfg_word; - - /* - * AdvInquiryHandling() requires up to INQUIRY information Byte 7 - * to be available. - * - * If less than 8 bytes of INQUIRY information were requested or less - * than 8 bytes were transferred, then return. cdb[4] is the request - * length and the ADV_SCSI_REQ_Q 'data_cnt' field is set by the - * microcode to the transfer residual count. - */ - - if (scsiq->cdb[4] < 8 || - (scsiq->cdb[4] - le32_to_cpu(scsiq->data_cnt)) < 8) - { - return; - } - - iop_base = asc_dvc->iop_base; - tid = scsiq->target_id; - - inq = (ADV_SCSI_INQUIRY *) scsiq->vdata_addr; - - /* - * WDTR, SDTR, and Tag Queuing cannot be enabled for old devices. - */ - if (ADV_INQ_RESPONSE_FMT(inq) < 2 && ADV_INQ_ANSI_VER(inq) < 2) - { - return; - } else - { - /* - * INQUIRY Byte 7 Handling - * - * Use a device's INQUIRY byte 7 to determine whether it - * supports WDTR, SDTR, and Tag Queuing. If the feature - * is enabled in the EEPROM and the device supports the - * feature, then enable it in the microcode. - */ - - tidmask = ADV_TID_TO_TIDMASK(tid); - - /* - * Wide Transfers - * - * If the EEPROM enabled WDTR for the device and the device - * supports wide bus (16 bit) transfers, then turn on the - * device's 'wdtr_able' bit and write the new value to the - * microcode. - */ - if ((asc_dvc->wdtr_able & tidmask) && ADV_INQ_WIDE16(inq)) - { - AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word); - if ((cfg_word & tidmask) == 0) - { - cfg_word |= tidmask; - AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word); - - /* - * Clear the microcode "SDTR negotiation" and "WDTR - * negotiation" done indicators for the target to cause - * it to negotiate with the new setting set above. - * WDTR when accepted causes the target to enter - * asynchronous mode, so SDTR must be negotiated. - */ - AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); - cfg_word &= ~tidmask; - AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); - AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word); - cfg_word &= ~tidmask; - AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word); - } - } - - /* - * Synchronous Transfers - * - * If the EEPROM enabled SDTR for the device and the device - * supports synchronous transfers, then turn on the device's - * 'sdtr_able' bit. Write the new value to the microcode. - */ - if ((asc_dvc->sdtr_able & tidmask) && ADV_INQ_SYNC(inq)) - { - AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word); - if ((cfg_word & tidmask) == 0) - { - cfg_word |= tidmask; - AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word); - - /* - * Clear the microcode "SDTR negotiation" done indicator - * for the target to cause it to negotiate with the new - * setting set above. - */ - AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); - cfg_word &= ~tidmask; - AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); - } - } - /* - * If the Inquiry data included enough space for the SPI-3 - * Clocking field, then check if DT mode is supported. - */ - if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600 && - (scsiq->cdb[4] >= 57 || - (scsiq->cdb[4] - le32_to_cpu(scsiq->data_cnt)) >= 57)) - { - /* - * PPR (Parallel Protocol Request) Capable - * - * If the device supports DT mode, then it must be PPR capable. - * The PPR message will be used in place of the SDTR and WDTR - * messages to negotiate synchronous speed and offset, transfer - * width, and protocol options. - */ - if (ADV_INQ_CLOCKING(inq) & ADV_INQ_CLOCKING_DT_ONLY) - { - AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, asc_dvc->ppr_able); - asc_dvc->ppr_able |= tidmask; - AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, asc_dvc->ppr_able); - } - } - - /* - * If the EEPROM enabled Tag Queuing for the device and the - * device supports Tag Queueing, then turn on the device's - * 'tagqng_enable' bit in the microcode and set the microcode - * maximum command count to the ADV_DVC_VAR 'max_dvc_qng' - * value. - * - * Tag Queuing is disabled for the BIOS which runs in polled - * mode and would see no benefit from Tag Queuing. Also by - * disabling Tag Queuing in the BIOS devices with Tag Queuing - * bugs will at least work with the BIOS. - */ - if ((asc_dvc->tagqng_able & tidmask) && ADV_INQ_CMD_QUEUE(inq)) - { - AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word); - cfg_word |= tidmask; - AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word); - - AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, - asc_dvc->max_dvc_qng); - } - } + pci_unregister_driver(&advansys_pci_driver); + eisa_driver_unregister(&advansys_eisa_driver); + isa_unregister_driver(&advansys_vlb_driver); + isa_unregister_driver(&advansys_isa_driver); } -MODULE_LICENSE("Dual BSD/GPL"); -#ifdef CONFIG_PCI -/* PCI Devices supported by this driver */ -static struct pci_device_id advansys_pci_tbl[] __devinitdata = { - { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_1200A, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940U, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940UW, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C0800_REV1, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C1600_REV1, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { } -}; -MODULE_DEVICE_TABLE(pci, advansys_pci_tbl); -#endif /* CONFIG_PCI */ +module_init(advansys_init); +module_exit(advansys_exit); + +MODULE_LICENSE("GPL");