#undef BLOCKMOVE
#define Z_WAKE
#undef Z_EXT_CHARS_IN_BUFFER
-static char rcsid[] =
-"$Revision: 2.3.2.20 $$Date: 2004/02/25 18:14:16 $";
/*
* linux/drivers/char/cyclades.c
*
* Initially written by Randolph Bentson <bentson@grieg.seaslug.org>.
* Modified and maintained by Marcio Saito <marcio@cyclades.com>.
- * Currently maintained by Cyclades team <async@cyclades.com>.
*
- * For Technical support and installation problems, please send e-mail
- * to support@cyclades.com.
+ * Copyright (C) 2007 Jiri Slaby <jirislaby@gmail.com>
*
* Much of the design and some of the code came from serial.c
* which was copyright (C) 1991, 1992 Linus Torvalds. It was
* extensively rewritten by Theodore Ts'o, 8/16/92 -- 9/14/92,
* and then fixed as suggested by Michael K. Johnson 12/12/92.
+ * Converted to pci probing and cleaned up by Jiri Slaby.
*
* This version supports shared IRQ's (only for PCI boards).
*
- * $Log: cyclades.c,v $
* Prevent users from opening non-existing Z ports.
*
* Revision 2.3.2.8 2000/07/06 18:14:16 ivan
* Driver now makes sure that the constant SERIAL_XMIT_SIZE is defined;
*
* Revision 2.3.2.2 1999/10/01 11:27:43 ivan
- * Fixed bug in cyz_poll that would make all ports but port 0
+ * Fixed bug in cyz_poll that would make all ports but port 0
* unable to transmit/receive data (Cyclades-Z only);
* Implemented logic to prevent the RX buffer from being stuck with data
* due to a driver / firmware race condition in interrupt op mode
* Revision 2.3.1.1 1999/07/15 16:45:53 ivan
* Removed CY_PROC conditional compilation;
* Implemented SMP-awareness for the driver;
- * Implemented a new ISA IRQ autoprobe that uses the irq_probe_[on|off]
+ * Implemented a new ISA IRQ autoprobe that uses the irq_probe_[on|off]
* functions;
* The driver now accepts memory addresses (maddr=0xMMMMM) and IRQs
* (irq=NN) as parameters (only for ISA boards);
- * Fixed bug in set_line_char that would prevent the Cyclades-Z
+ * Fixed bug in set_line_char that would prevent the Cyclades-Z
* ports from being configured at speeds above 115.2Kbps;
* Fixed bug in cy_set_termios that would prevent XON/XOFF flow control
* switching from working properly;
- * The driver now only prints IRQ info for the Cyclades-Z if it's
+ * The driver now only prints IRQ info for the Cyclades-Z if it's
* configured to work in interrupt mode;
*
* Revision 2.2.2.3 1999/06/28 11:13:29 ivan
* Added support for interrupt mode operation for the Z cards;
* Removed the driver inactivity control for the Z;
- * Added a missing MOD_DEC_USE_COUNT in the cy_open function for when
+ * Added a missing MOD_DEC_USE_COUNT in the cy_open function for when
* the Z firmware is not loaded yet;
- * Replaced the "manual" Z Tx flush buffer by a call to a FW command of
+ * Replaced the "manual" Z Tx flush buffer by a call to a FW command of
* same functionality;
- * Implemented workaround for IRQ setting loss on the PCI configuration
+ * Implemented workaround for IRQ setting loss on the PCI configuration
* registers after a PCI bridge EEPROM reload (affects PLX9060 only);
*
* Revision 2.2.2.2 1999/05/14 17:18:15 ivan
* BREAK implementation changed in order to make use of the 'break_ctl'
* TTY facility;
* Fixed typo in TTY structure field 'driver_name';
- * Included a PCI bridge reset and EEPROM reload in the board
+ * Included a PCI bridge reset and EEPROM reload in the board
* initialization code (for both Y and Z series).
*
* Revision 2.2.2.1 1999/04/08 16:17:43 ivan
- * Fixed a bug in cy_wait_until_sent that was preventing the port to be
+ * Fixed a bug in cy_wait_until_sent that was preventing the port to be
* closed properly after a SIGINT;
* Module usage counter scheme revisited;
* Added support to the upcoming Y PCI boards (i.e., support to additional
* PCI Device ID's).
- *
+ *
* Revision 2.2.1.10 1999/01/20 16:14:29 ivan
* Removed all unnecessary page-alignement operations in ioremap calls
* (ioremap is currently safe for these operations).
*
* Revision 2.2.1.9 1998/12/30 18:18:30 ivan
- * Changed access to PLX PCI bridge registers from I/O to MMIO, in
+ * Changed access to PLX PCI bridge registers from I/O to MMIO, in
* order to make PLX9050-based boards work with certain motherboards.
*
* Revision 2.2.1.8 1998/11/13 12:46:20 ivan
* Fixed Cyclom-4Yo hardware detection bug.
*
* Revision 2.2.1.4 1998/08/04 11:02:50 ivan
- * /proc/cyclades implementation with great collaboration of
+ * /proc/cyclades implementation with great collaboration of
* Marc Lewis <marc@blarg.net>;
* cyy_interrupt was changed to avoid occurrence of kernel oopses
* during PPP operation.
* General code review in order to comply with 2.1 kernel standards;
* data loss prevention for slow devices revisited (cy_wait_until_sent
* was created);
- * removed conditional compilation for new/old PCI structure support
+ * removed conditional compilation for new/old PCI structure support
* (now the driver only supports the new PCI structure).
*
* Revision 2.2.1.1 1998/03/19 16:43:12 ivan
* cleaned up the data loss fix;
* fixed XON/XOFF handling once more (Cyclades-Z);
* general review of the driver routines;
- * introduction of a mechanism to prevent data loss with slow
+ * introduction of a mechanism to prevent data loss with slow
* printers, by forcing a delay before closing the port.
*
* Revision 2.1.1.2 1998/02/17 16:50:00 ivan
* Code review for the module cleanup routine;
* fixed RTS and DTR status report for new CD1400's in get_modem_info;
* includes anonymous changes regarding signal_pending.
- *
+ *
* Revision 2.1 1997/11/01 17:42:41 ivan
* Changes in the driver to support Alpha systems (except 8Zo V_1);
* BREAK fix for the Cyclades-Z boards;
* driver inactivity control by FW implemented;
- * introduction of flag that allows driver to take advantage of
+ * introduction of flag that allows driver to take advantage of
* a special CD1400 feature related to HW flow control;
* added support for the CD1400 rev. J (Cyclom-Y boards);
* introduction of ioctls to:
* - adjust the polling interval (Cyclades-Z);
*
* Revision 1.36.4.33 1997/06/27 19:00:00 ivan
- * Fixes related to kernel version conditional
+ * Fixes related to kernel version conditional
* compilation.
- *
+ *
* Revision 1.36.4.32 1997/06/14 19:30:00 ivan
- * Compatibility issues between kernels 2.0.x and
+ * Compatibility issues between kernels 2.0.x and
* 2.1.x (mainly related to clear_bit function).
- *
+ *
* Revision 1.36.4.31 1997/06/03 15:30:00 ivan
- * Changes to define the memory window according to the
+ * Changes to define the memory window according to the
* board type.
- *
+ *
* Revision 1.36.4.30 1997/05/16 15:30:00 daniel
* Changes to support new cycladesZ boards.
*
*
* Revision 1.36.3.8 1996/06/07 16:29:00 bentson
* starting minor number at zero; added missing verify_area
- * as noted by Heiko Eissfeldt <heiko@colossus.escape.de>
+ * as noted by Heiko Eißfeldt <heiko@colossus.escape.de>
*
* Revision 1.36.3.7 1996/04/19 21:06:18 bentson
* remove unneeded boot message & fix CLOCAL hardware flow
*
*/
+#define CY_VERSION "2.5"
+
/* If you need to install more boards than NR_CARDS, change the constant
in the definition below. No other change is necessary to support up to
eight boards. Beyond that you'll have to extend cy_isa_addresses. */
-#define NR_CARDS 4
+#define NR_CARDS 4
/*
If the total number of ports is larger than NR_PORTS, change this
constant in the definition below. No other change is necessary to
support more boards/ports. */
-#define NR_PORTS 256
+#define NR_PORTS 256
-#define ZE_V1_NPORTS 64
#define ZO_V1 0
#define ZO_V2 1
#define ZE_V1 2
#undef CY_ENABLE_MONITORING
#undef CY_PCI_DEBUG
-#if 0
-#define PAUSE __asm__("nop");
-#else
-#define PAUSE ;
-#endif
-
/*
- * Include section
+ * Include section
*/
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/bitops.h>
+#include <linux/firmware.h>
+#include <linux/device.h>
#include <asm/system.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <asm/irq.h>
-#include <asm/uaccess.h>
-
-#define CY_LOCK(info,flags) \
- do { \
- spin_lock_irqsave(&cy_card[info->card].card_lock, flags); \
- } while (0)
-
-#define CY_UNLOCK(info,flags) \
- do { \
- spin_unlock_irqrestore(&cy_card[info->card].card_lock, flags); \
- } while (0)
-
-#include <linux/types.h>
+#include <linux/uaccess.h>
+
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/stat.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
-static void cy_throttle (struct tty_struct *tty);
-static void cy_send_xchar (struct tty_struct *tty, char ch);
-
-#define IS_CYC_Z(card) ((card).num_chips == -1)
-
-#define Z_FPGA_CHECK(card) \
- ((cy_readl(&((struct RUNTIME_9060 __iomem *) \
- ((card).ctl_addr))->init_ctrl) & (1<<17)) != 0)
-
-#define ISZLOADED(card) (((ZO_V1==cy_readl(&((struct RUNTIME_9060 __iomem *) \
- ((card).ctl_addr))->mail_box_0)) || \
- Z_FPGA_CHECK(card)) && \
- (ZFIRM_ID==cy_readl(&((struct FIRM_ID __iomem *) \
- ((card).base_addr+ID_ADDRESS))->signature)))
+static void cy_throttle(struct tty_struct *tty);
+static void cy_send_xchar(struct tty_struct *tty, char ch);
#ifndef SERIAL_XMIT_SIZE
#define SERIAL_XMIT_SIZE (min(PAGE_SIZE, 4096))
#define STD_COM_FLAGS (0)
-#define JIFFIES_DIFF(n, j) ((j) - (n))
+/* firmware stuff */
+#define ZL_MAX_BLOCKS 16
+#define DRIVER_VERSION 0x02010203
+#define RAM_SIZE 0x80000
+
+enum zblock_type {
+ ZBLOCK_PRG = 0,
+ ZBLOCK_FPGA = 1
+};
+
+struct zfile_header {
+ char name[64];
+ char date[32];
+ char aux[32];
+ u32 n_config;
+ u32 config_offset;
+ u32 n_blocks;
+ u32 block_offset;
+ u32 reserved[9];
+} __attribute__ ((packed));
+
+struct zfile_config {
+ char name[64];
+ u32 mailbox;
+ u32 function;
+ u32 n_blocks;
+ u32 block_list[ZL_MAX_BLOCKS];
+} __attribute__ ((packed));
+
+struct zfile_block {
+ u32 type;
+ u32 file_offset;
+ u32 ram_offset;
+ u32 size;
+} __attribute__ ((packed));
static struct tty_driver *cy_serial_driver;
driver to probe addresses at a different address, add it to
this table. If the driver is probing some other board and
causing problems, remove the offending address from this table.
- The cy_setup function extracts additional addresses from the
- boot options line. The form is "cyclades=address,address..."
*/
static unsigned int cy_isa_addresses[] = {
- 0xD0000,
- 0xD2000,
- 0xD4000,
- 0xD6000,
- 0xD8000,
- 0xDA000,
- 0xDC000,
- 0xDE000,
- 0,0,0,0,0,0,0,0
+ 0xD0000,
+ 0xD2000,
+ 0xD4000,
+ 0xD6000,
+ 0xD8000,
+ 0xDA000,
+ 0xDC000,
+ 0xDE000,
+ 0, 0, 0, 0, 0, 0, 0, 0
};
+
#define NR_ISA_ADDRS ARRAY_SIZE(cy_isa_addresses)
#ifdef MODULE
-static long maddr[NR_CARDS] = { 0, };
-static int irq[NR_CARDS] = { 0, };
+static long maddr[NR_CARDS];
+static int irq[NR_CARDS];
module_param_array(maddr, long, NULL, 0);
module_param_array(irq, int, NULL, 0);
#endif
-#endif /* CONFIG_ISA */
+#endif /* CONFIG_ISA */
/* This is the per-card data structure containing address, irq, number of
channels, etc. This driver supports a maximum of NR_CARDS cards.
*/
static struct cyclades_card cy_card[NR_CARDS];
-/* This is the per-channel data structure containing pointers, flags
- and variables for the port. This driver supports a maximum of NR_PORTS.
-*/
-static struct cyclades_port cy_port[NR_PORTS];
-
-static int cy_next_channel; /* next minor available */
-
-/*
- * tmp_buf is used as a temporary buffer by serial_write. We need to
- * lock it in case the copy_from_user blocks while swapping in a page,
- * and some other program tries to do a serial write at the same time.
- * Since the lock will only come under contention when the system is
- * swapping and available memory is low, it makes sense to share one
- * buffer across all the serial ports, since it significantly saves
- * memory if large numbers of serial ports are open. This buffer is
- * allocated when the first cy_open occurs.
- */
-static unsigned char *tmp_buf;
+static int cy_next_channel; /* next minor available */
/*
* This is used to look up the divisor speeds and the timeouts
* We're normally limited to 15 distinct baud rates. The extra
- * are accessed via settings in info->flags.
+ * are accessed via settings in info->port.flags.
* 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
* 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
* HI VHI
* 20
*/
static int baud_table[] = {
- 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
- 1800, 2400, 4800, 9600, 19200, 38400, 57600, 76800,115200,150000,
- 230400, 0};
-
-static char baud_co_25[] = { /* 25 MHz clock option table */
- /* value => 00 01 02 03 04 */
- /* divide by 8 32 128 512 2048 */
- 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x02,
- 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
-static char baud_bpr_25[] = { /* 25 MHz baud rate period table */
- 0x00, 0xf5, 0xa3, 0x6f, 0x5c, 0x51, 0xf5, 0xa3, 0x51, 0xa3,
- 0x6d, 0x51, 0xa3, 0x51, 0xa3, 0x51, 0x36, 0x29, 0x1b, 0x15};
-
-static char baud_co_60[] = { /* 60 MHz clock option table (CD1400 J) */
- /* value => 00 01 02 03 04 */
- /* divide by 8 32 128 512 2048 */
- 0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03,
- 0x03, 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00};
-
-static char baud_bpr_60[] = { /* 60 MHz baud rate period table (CD1400 J) */
- 0x00, 0x82, 0x21, 0xff, 0xdb, 0xc3, 0x92, 0x62, 0xc3, 0x62,
- 0x41, 0xc3, 0x62, 0xc3, 0x62, 0xc3, 0x82, 0x62, 0x41, 0x32,
- 0x21};
-
-static char baud_cor3[] = { /* receive threshold */
- 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
- 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x08, 0x08, 0x07,
- 0x07};
+ 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
+ 1800, 2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200, 150000,
+ 230400, 0
+};
+
+static char baud_co_25[] = { /* 25 MHz clock option table */
+ /* value => 00 01 02 03 04 */
+ /* divide by 8 32 128 512 2048 */
+ 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x02,
+ 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+static char baud_bpr_25[] = { /* 25 MHz baud rate period table */
+ 0x00, 0xf5, 0xa3, 0x6f, 0x5c, 0x51, 0xf5, 0xa3, 0x51, 0xa3,
+ 0x6d, 0x51, 0xa3, 0x51, 0xa3, 0x51, 0x36, 0x29, 0x1b, 0x15
+};
+
+static char baud_co_60[] = { /* 60 MHz clock option table (CD1400 J) */
+ /* value => 00 01 02 03 04 */
+ /* divide by 8 32 128 512 2048 */
+ 0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03,
+ 0x03, 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00
+};
+
+static char baud_bpr_60[] = { /* 60 MHz baud rate period table (CD1400 J) */
+ 0x00, 0x82, 0x21, 0xff, 0xdb, 0xc3, 0x92, 0x62, 0xc3, 0x62,
+ 0x41, 0xc3, 0x62, 0xc3, 0x62, 0xc3, 0x82, 0x62, 0x41, 0x32,
+ 0x21
+};
+
+static char baud_cor3[] = { /* receive threshold */
+ 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
+ 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x08, 0x08, 0x07,
+ 0x07
+};
/*
* The Cyclades driver implements HW flow control as any serial driver.
- * The cyclades_port structure member rflow and the vector rflow_thr
- * allows us to take advantage of a special feature in the CD1400 to avoid
- * data loss even when the system interrupt latency is too high. These flags
- * are to be used only with very special applications. Setting these flags
- * requires the use of a special cable (DTR and RTS reversed). In the new
- * CD1400-based boards (rev. 6.00 or later), there is no need for special
+ * The cyclades_port structure member rflow and the vector rflow_thr
+ * allows us to take advantage of a special feature in the CD1400 to avoid
+ * data loss even when the system interrupt latency is too high. These flags
+ * are to be used only with very special applications. Setting these flags
+ * requires the use of a special cable (DTR and RTS reversed). In the new
+ * CD1400-based boards (rev. 6.00 or later), there is no need for special
* cables.
*/
-static char rflow_thr[] = { /* rflow threshold */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
- 0x0a};
+static char rflow_thr[] = { /* rflow threshold */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
+ 0x0a
+};
/* The Cyclom-Ye has placed the sequential chips in non-sequential
* address order. This look-up table overcomes that problem.
*/
-static int cy_chip_offset [] =
- { 0x0000,
- 0x0400,
- 0x0800,
- 0x0C00,
- 0x0200,
- 0x0600,
- 0x0A00,
- 0x0E00
- };
+static int cy_chip_offset[] = { 0x0000,
+ 0x0400,
+ 0x0800,
+ 0x0C00,
+ 0x0200,
+ 0x0600,
+ 0x0A00,
+ 0x0E00
+};
/* PCI related definitions */
-static unsigned short cy_pci_nboard;
-static unsigned short cy_isa_nboard;
-static unsigned short cy_nboard;
#ifdef CONFIG_PCI
-static unsigned short cy_pci_dev_id[] = {
- PCI_DEVICE_ID_CYCLOM_Y_Lo, /* PCI < 1Mb */
- PCI_DEVICE_ID_CYCLOM_Y_Hi, /* PCI > 1Mb */
- PCI_DEVICE_ID_CYCLOM_4Y_Lo, /* 4Y PCI < 1Mb */
- PCI_DEVICE_ID_CYCLOM_4Y_Hi, /* 4Y PCI > 1Mb */
- PCI_DEVICE_ID_CYCLOM_8Y_Lo, /* 8Y PCI < 1Mb */
- PCI_DEVICE_ID_CYCLOM_8Y_Hi, /* 8Y PCI > 1Mb */
- PCI_DEVICE_ID_CYCLOM_Z_Lo, /* Z PCI < 1Mb */
- PCI_DEVICE_ID_CYCLOM_Z_Hi, /* Z PCI > 1Mb */
- 0 /* end of table */
- };
+static struct pci_device_id cy_pci_dev_id[] __devinitdata = {
+ /* PCI < 1Mb */
+ { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Y_Lo) },
+ /* PCI > 1Mb */
+ { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Y_Hi) },
+ /* 4Y PCI < 1Mb */
+ { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_4Y_Lo) },
+ /* 4Y PCI > 1Mb */
+ { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_4Y_Hi) },
+ /* 8Y PCI < 1Mb */
+ { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_8Y_Lo) },
+ /* 8Y PCI > 1Mb */
+ { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_8Y_Hi) },
+ /* Z PCI < 1Mb */
+ { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Z_Lo) },
+ /* Z PCI > 1Mb */
+ { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Z_Hi) },
+ { } /* end of table */
+};
+MODULE_DEVICE_TABLE(pci, cy_pci_dev_id);
#endif
static void cy_start(struct tty_struct *);
static void set_line_char(struct cyclades_port *);
-static int cyz_issue_cmd(struct cyclades_card *, uclong, ucchar, uclong);
+static int cyz_issue_cmd(struct cyclades_card *, __u32, __u8, __u32);
#ifdef CONFIG_ISA
static unsigned detect_isa_irq(void __iomem *);
-#endif /* CONFIG_ISA */
-
-static int cyclades_get_proc_info(char *, char **, off_t , int , int *, void *);
+#endif /* CONFIG_ISA */
#ifndef CONFIG_CYZ_INTR
static void cyz_poll(unsigned long);
/* The Cyclades-Z polling cycle is defined by this variable */
static long cyz_polling_cycle = CZ_DEF_POLL;
-static int cyz_timeron = 0;
static DEFINE_TIMER(cyz_timerlist, cyz_poll, 0, 0);
-#else /* CONFIG_CYZ_INTR */
+#else /* CONFIG_CYZ_INTR */
static void cyz_rx_restart(unsigned long);
static struct timer_list cyz_rx_full_timer[NR_PORTS];
-#endif /* CONFIG_CYZ_INTR */
+#endif /* CONFIG_CYZ_INTR */
-static inline int
-serial_paranoia_check(struct cyclades_port *info,
- char *name, const char *routine)
+static inline bool cy_is_Z(struct cyclades_card *card)
{
-#ifdef SERIAL_PARANOIA_CHECK
- static const char *badmagic =
- "cyc Warning: bad magic number for serial struct (%s) in %s\n";
- static const char *badinfo =
- "cyc Warning: null cyclades_port for (%s) in %s\n";
- static const char *badrange =
- "cyc Warning: cyclades_port out of range for (%s) in %s\n";
-
- if (!info) {
- printk(badinfo, name, routine);
- return 1;
- }
-
- if( (long)info < (long)(&cy_port[0])
- || (long)(&cy_port[NR_PORTS]) < (long)info ){
- printk(badrange, name, routine);
- return 1;
- }
-
- if (info->magic != CYCLADES_MAGIC) {
- printk(badmagic, name, routine);
- return 1;
- }
-#endif
- return 0;
-} /* serial_paranoia_check */
+ return card->num_chips == (unsigned int)-1;
+}
-/*
- * This routine is used by the interrupt handler to schedule
- * processing in the software interrupt portion of the driver
- * (also known as the "bottom half"). This can be called any
- * number of times for any channel without harm.
- */
-static inline void
-cy_sched_event(struct cyclades_port *info, int event)
+static inline bool __cyz_fpga_loaded(struct RUNTIME_9060 __iomem *ctl_addr)
{
- info->event |= 1 << event; /* remember what kind of event and who */
- schedule_work(&info->tqueue);
-} /* cy_sched_event */
+ return readl(&ctl_addr->init_ctrl) & (1 << 17);
+}
+static inline bool cyz_fpga_loaded(struct cyclades_card *card)
+{
+ return __cyz_fpga_loaded(card->ctl_addr.p9060);
+}
-/*
- * This routine is used to handle the "bottom half" processing for the
- * serial driver, known also the "software interrupt" processing.
- * This processing is done at the kernel interrupt level, after the
- * cy#/_interrupt() has returned, BUT WITH INTERRUPTS TURNED ON. This
- * is where time-consuming activities which can not be done in the
- * interrupt driver proper are done; the interrupt driver schedules
- * them using cy_sched_event(), and they get done here.
- *
- * This is done through one level of indirection--the task queue.
- * When a hardware interrupt service routine wants service by the
- * driver's bottom half, it enqueues the appropriate tq_struct (one
- * per port) to the keventd work queue and sets a request flag
- * that the work queue be processed.
- *
- * Although this may seem unwieldy, it gives the system a way to
- * pass an argument (in this case the pointer to the cyclades_port
- * structure) to the bottom half of the driver. Previous kernels
- * had to poll every port to see if that port needed servicing.
- */
-static void
-do_softint(void *private_)
+static inline bool cyz_is_loaded(struct cyclades_card *card)
{
- struct cyclades_port *info = (struct cyclades_port *) private_;
- struct tty_struct *tty;
-
- tty = info->tty;
- if (!tty)
- return;
-
- if (test_and_clear_bit(Cy_EVENT_HANGUP, &info->event)) {
- tty_hangup(info->tty);
- wake_up_interruptible(&info->open_wait);
- info->flags &= ~ASYNC_NORMAL_ACTIVE;
- }
- if (test_and_clear_bit(Cy_EVENT_OPEN_WAKEUP, &info->event)) {
- wake_up_interruptible(&info->open_wait);
- }
-#ifdef CONFIG_CYZ_INTR
- if (test_and_clear_bit(Cy_EVENT_Z_RX_FULL, &info->event)) {
- if (cyz_rx_full_timer[info->line].function == NULL) {
- cyz_rx_full_timer[info->line].expires = jiffies + 1;
- cyz_rx_full_timer[info->line].function = cyz_rx_restart;
- cyz_rx_full_timer[info->line].data = (unsigned long)info;
- add_timer(&cyz_rx_full_timer[info->line]);
+ struct FIRM_ID __iomem *fw_id = card->base_addr + ID_ADDRESS;
+
+ return (card->hw_ver == ZO_V1 || cyz_fpga_loaded(card)) &&
+ readl(&fw_id->signature) == ZFIRM_ID;
+}
+
+static inline int serial_paranoia_check(struct cyclades_port *info,
+ char *name, const char *routine)
+{
+#ifdef SERIAL_PARANOIA_CHECK
+ if (!info) {
+ printk(KERN_WARNING "cyc Warning: null cyclades_port for (%s) "
+ "in %s\n", name, routine);
+ return 1;
}
- }
-#endif
- if (test_and_clear_bit(Cy_EVENT_DELTA_WAKEUP, &info->event)) {
- wake_up_interruptible(&info->delta_msr_wait);
- }
- if (test_and_clear_bit(Cy_EVENT_WRITE_WAKEUP, &info->event)) {
- tty_wakeup(tty);
- wake_up_interruptible(&tty->write_wait);
- }
-#ifdef Z_WAKE
- if (test_and_clear_bit(Cy_EVENT_SHUTDOWN_WAKEUP, &info->event)) {
- wake_up_interruptible(&info->shutdown_wait);
- }
-#endif
-} /* do_softint */
+ if (info->magic != CYCLADES_MAGIC) {
+ printk(KERN_WARNING "cyc Warning: bad magic number for serial "
+ "struct (%s) in %s\n", name, routine);
+ return 1;
+ }
+#endif
+ return 0;
+} /* serial_paranoia_check */
/***********************************************************/
/********* Start of block of Cyclom-Y specific code ********/
This function is only called from inside spinlock-protected code.
*/
-static int
-cyy_issue_cmd(void __iomem *base_addr, u_char cmd, int index)
+static int cyy_issue_cmd(void __iomem *base_addr, u_char cmd, int index)
{
- volatile int i;
+ unsigned int i;
- /* Check to see that the previous command has completed */
- for(i = 0 ; i < 100 ; i++){
- if (cy_readb(base_addr+(CyCCR<<index)) == 0){
- break;
+ /* Check to see that the previous command has completed */
+ for (i = 0; i < 100; i++) {
+ if (readb(base_addr + (CyCCR << index)) == 0)
+ break;
+ udelay(10L);
}
- udelay(10L);
- }
- /* if the CCR never cleared, the previous command
- didn't finish within the "reasonable time" */
- if (i == 100) return (-1);
+ /* if the CCR never cleared, the previous command
+ didn't finish within the "reasonable time" */
+ if (i == 100)
+ return -1;
- /* Issue the new command */
- cy_writeb(base_addr+(CyCCR<<index), cmd);
+ /* Issue the new command */
+ cy_writeb(base_addr + (CyCCR << index), cmd);
- return(0);
-} /* cyy_issue_cmd */
+ return 0;
+} /* cyy_issue_cmd */
#ifdef CONFIG_ISA
/* ISA interrupt detection code */
-static unsigned
-detect_isa_irq(void __iomem *address)
+static unsigned detect_isa_irq(void __iomem *address)
{
- int irq;
- unsigned long irqs, flags;
- int save_xir, save_car;
- int index = 0; /* IRQ probing is only for ISA */
-
- /* forget possible initially masked and pending IRQ */
- irq = probe_irq_off(probe_irq_on());
-
- /* Clear interrupts on the board first */
- cy_writeb(address + (Cy_ClrIntr<<index), 0);
- /* Cy_ClrIntr is 0x1800 */
-
- irqs = probe_irq_on();
- /* Wait ... */
- udelay(5000L);
-
- /* Enable the Tx interrupts on the CD1400 */
- local_irq_save(flags);
- cy_writeb(address + (CyCAR<<index), 0);
- cyy_issue_cmd(address, CyCHAN_CTL|CyENB_XMTR, index);
-
- cy_writeb(address + (CyCAR<<index), 0);
- cy_writeb(address + (CySRER<<index),
- cy_readb(address + (CySRER<<index)) | CyTxRdy);
- local_irq_restore(flags);
-
- /* Wait ... */
- udelay(5000L);
-
- /* Check which interrupt is in use */
- irq = probe_irq_off(irqs);
-
- /* Clean up */
- save_xir = (u_char) cy_readb(address + (CyTIR<<index));
- save_car = cy_readb(address + (CyCAR<<index));
- cy_writeb(address + (CyCAR<<index), (save_xir & 0x3));
- cy_writeb(address + (CySRER<<index),
- cy_readb(address + (CySRER<<index)) & ~CyTxRdy);
- cy_writeb(address + (CyTIR<<index), (save_xir & 0x3f));
- cy_writeb(address + (CyCAR<<index), (save_car));
- cy_writeb(address + (Cy_ClrIntr<<index), 0);
- /* Cy_ClrIntr is 0x1800 */
-
- return (irq > 0)? irq : 0;
+ int irq;
+ unsigned long irqs, flags;
+ int save_xir, save_car;
+ int index = 0; /* IRQ probing is only for ISA */
+
+ /* forget possible initially masked and pending IRQ */
+ irq = probe_irq_off(probe_irq_on());
+
+ /* Clear interrupts on the board first */
+ cy_writeb(address + (Cy_ClrIntr << index), 0);
+ /* Cy_ClrIntr is 0x1800 */
+
+ irqs = probe_irq_on();
+ /* Wait ... */
+ udelay(5000L);
+
+ /* Enable the Tx interrupts on the CD1400 */
+ local_irq_save(flags);
+ cy_writeb(address + (CyCAR << index), 0);
+ cyy_issue_cmd(address, CyCHAN_CTL | CyENB_XMTR, index);
+
+ cy_writeb(address + (CyCAR << index), 0);
+ cy_writeb(address + (CySRER << index),
+ readb(address + (CySRER << index)) | CyTxRdy);
+ local_irq_restore(flags);
+
+ /* Wait ... */
+ udelay(5000L);
+
+ /* Check which interrupt is in use */
+ irq = probe_irq_off(irqs);
+
+ /* Clean up */
+ save_xir = (u_char) readb(address + (CyTIR << index));
+ save_car = readb(address + (CyCAR << index));
+ cy_writeb(address + (CyCAR << index), (save_xir & 0x3));
+ cy_writeb(address + (CySRER << index),
+ readb(address + (CySRER << index)) & ~CyTxRdy);
+ cy_writeb(address + (CyTIR << index), (save_xir & 0x3f));
+ cy_writeb(address + (CyCAR << index), (save_car));
+ cy_writeb(address + (Cy_ClrIntr << index), 0);
+ /* Cy_ClrIntr is 0x1800 */
+
+ return (irq > 0) ? irq : 0;
}
-#endif /* CONFIG_ISA */
+#endif /* CONFIG_ISA */
-/* The real interrupt service routine is called
- whenever the card wants its hand held--chars
- received, out buffer empty, modem change, etc.
- */
-static irqreturn_t
-cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
+ void __iomem *base_addr)
{
- struct tty_struct *tty;
- int status;
- struct cyclades_card *cinfo;
- struct cyclades_port *info;
- void __iomem *base_addr, *card_base_addr;
- int chip;
- int save_xir, channel, save_car;
- char data;
- volatile int char_count;
- int outch;
- int i,j,index;
- int too_many;
- int had_work;
- int mdm_change;
- int mdm_status;
- int len;
- if((cinfo = (struct cyclades_card *)dev_id) == 0){
-#ifdef CY_DEBUG_INTERRUPTS
- printk("cyy_interrupt: spurious interrupt %d\n\r", irq);
-#endif
- return IRQ_NONE; /* spurious interrupt */
- }
-
- card_base_addr = cinfo->base_addr;
- index = cinfo->bus_index;
-
-
- /* This loop checks all chips in the card. Make a note whenever
- _any_ chip had some work to do, as this is considered an
- indication that there will be more to do. Only when no chip
- has any work does this outermost loop exit.
- */
- do{
- had_work = 0;
- for ( chip = 0 ; chip < cinfo->num_chips ; chip ++) {
- base_addr = cinfo->base_addr + (cy_chip_offset[chip]<<index);
- too_many = 0;
- while ( (status = cy_readb(base_addr+(CySVRR<<index))) != 0x00) {
- had_work++;
- /* The purpose of the following test is to ensure that
- no chip can monopolize the driver. This forces the
- chips to be checked in a round-robin fashion (after
- draining each of a bunch (1000) of characters).
- */
- if(1000<too_many++){
- break;
- }
- if (status & CySRReceive) { /* reception interrupt */
+ struct cyclades_port *info;
+ struct tty_struct *tty;
+ int len, index = cinfo->bus_index;
+ u8 save_xir, channel, save_car, data, char_count;
+
#ifdef CY_DEBUG_INTERRUPTS
- printk("cyy_interrupt: rcvd intr, chip %d\n\r", chip);
+ printk(KERN_DEBUG "cyy_interrupt: rcvd intr, chip %d\n", chip);
#endif
- /* determine the channel & change to that context */
- spin_lock(&cinfo->card_lock);
- save_xir = (u_char) cy_readb(base_addr+(CyRIR<<index));
- channel = (u_short ) (save_xir & CyIRChannel);
- i = channel + chip * 4 + cinfo->first_line;
- info = &cy_port[i];
- info->last_active = jiffies;
- save_car = cy_readb(base_addr+(CyCAR<<index));
- cy_writeb(base_addr+(CyCAR<<index), save_xir);
-
- /* if there is nowhere to put the data, discard it */
- if(info->tty == 0){
- j = (cy_readb(base_addr+(CyRIVR<<index)) & CyIVRMask);
- if ( j == CyIVRRxEx ) { /* exception */
- data = cy_readb(base_addr+(CyRDSR<<index));
- } else { /* normal character reception */
- char_count = cy_readb(base_addr+(CyRDCR<<index));
- while(char_count--){
- data = cy_readb(base_addr+(CyRDSR<<index));
- }
- }
- }else{ /* there is an open port for this data */
- tty = info->tty;
- j = (cy_readb(base_addr+(CyRIVR<<index)) & CyIVRMask);
- if ( j == CyIVRRxEx ) { /* exception */
- data = cy_readb(base_addr+(CyRDSR<<index));
-
- /* For statistics only */
- if (data & CyBREAK)
- info->icount.brk++;
- else if(data & CyFRAME)
- info->icount.frame++;
- else if(data & CyPARITY)
- info->icount.parity++;
- else if(data & CyOVERRUN)
- info->icount.overrun++;
-
- if(data & info->ignore_status_mask){
- info->icount.rx++;
- continue;
- }
- if (tty_buffer_request_room(tty, 1)) {
- if (data & info->read_status_mask){
- if(data & CyBREAK){
- tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_BREAK);
+ /* determine the channel & change to that context */
+ save_xir = readb(base_addr + (CyRIR << index));
+ channel = save_xir & CyIRChannel;
+ info = &cinfo->ports[channel + chip * 4];
+ save_car = readb(base_addr + (CyCAR << index));
+ cy_writeb(base_addr + (CyCAR << index), save_xir);
+
+ /* if there is nowhere to put the data, discard it */
+ if (info->port.tty == NULL) {
+ if ((readb(base_addr + (CyRIVR << index)) & CyIVRMask) ==
+ CyIVRRxEx) { /* exception */
+ data = readb(base_addr + (CyRDSR << index));
+ } else { /* normal character reception */
+ char_count = readb(base_addr + (CyRDCR << index));
+ while (char_count--)
+ data = readb(base_addr + (CyRDSR << index));
+ }
+ goto end;
+ }
+ /* there is an open port for this data */
+ tty = info->port.tty;
+ if ((readb(base_addr + (CyRIVR << index)) & CyIVRMask) ==
+ CyIVRRxEx) { /* exception */
+ data = readb(base_addr + (CyRDSR << index));
+
+ /* For statistics only */
+ if (data & CyBREAK)
+ info->icount.brk++;
+ else if (data & CyFRAME)
+ info->icount.frame++;
+ else if (data & CyPARITY)
+ info->icount.parity++;
+ else if (data & CyOVERRUN)
+ info->icount.overrun++;
+
+ if (data & info->ignore_status_mask) {
+ info->icount.rx++;
+ return;
+ }
+ if (tty_buffer_request_room(tty, 1)) {
+ if (data & info->read_status_mask) {
+ if (data & CyBREAK) {
+ tty_insert_flip_char(tty,
+ readb(base_addr + (CyRDSR <<
+ index)), TTY_BREAK);
info->icount.rx++;
- if (info->flags & ASYNC_SAK){
- do_SAK(tty);
- }
- }else if(data & CyFRAME){
- tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME);
+ if (info->port.flags & ASYNC_SAK)
+ do_SAK(tty);
+ } else if (data & CyFRAME) {
+ tty_insert_flip_char(tty,
+ readb(base_addr + (CyRDSR <<
+ index)), TTY_FRAME);
info->icount.rx++;
info->idle_stats.frame_errs++;
- }else if(data & CyPARITY){
+ } else if (data & CyPARITY) {
/* Pieces of seven... */
- tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_PARITY);
+ tty_insert_flip_char(tty,
+ readb(base_addr + (CyRDSR <<
+ index)), TTY_PARITY);
info->icount.rx++;
info->idle_stats.parity_errs++;
- }else if(data & CyOVERRUN){
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ } else if (data & CyOVERRUN) {
+ tty_insert_flip_char(tty, 0,
+ TTY_OVERRUN);
+ info->icount.rx++;
+ /* If the flip buffer itself is
+ overflowing, we still lose
+ the next incoming character.
+ */
+ tty_insert_flip_char(tty,
+ readb(base_addr + (CyRDSR <<
+ index)), TTY_FRAME);
info->icount.rx++;
- /* If the flip buffer itself is
- overflowing, we still lose
- the next incoming character.
- */
- tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME);
- info->icount.rx++;
info->idle_stats.overruns++;
- /* These two conditions may imply */
- /* a normal read should be done. */
- /* }else if(data & CyTIMEOUT){ */
- /* }else if(data & CySPECHAR){ */
- }else {
- tty_insert_flip_char(tty, 0, TTY_NORMAL);
- info->icount.rx++;
- }
- }else{
- tty_insert_flip_char(tty, 0, TTY_NORMAL);
- info->icount.rx++;
- }
- }else{
- /* there was a software buffer
- overrun and nothing could be
- done about it!!! */
- info->icount.buf_overrun++;
- info->idle_stats.overruns++;
- }
- } else { /* normal character reception */
- /* load # chars available from the chip */
- char_count = cy_readb(base_addr+(CyRDCR<<index));
+ /* These two conditions may imply */
+ /* a normal read should be done. */
+ /* } else if(data & CyTIMEOUT) { */
+ /* } else if(data & CySPECHAR) { */
+ } else {
+ tty_insert_flip_char(tty, 0,
+ TTY_NORMAL);
+ info->icount.rx++;
+ }
+ } else {
+ tty_insert_flip_char(tty, 0, TTY_NORMAL);
+ info->icount.rx++;
+ }
+ } else {
+ /* there was a software buffer overrun and nothing
+ * could be done about it!!! */
+ info->icount.buf_overrun++;
+ info->idle_stats.overruns++;
+ }
+ } else { /* normal character reception */
+ /* load # chars available from the chip */
+ char_count = readb(base_addr + (CyRDCR << index));
#ifdef CY_ENABLE_MONITORING
- ++info->mon.int_count;
- info->mon.char_count += char_count;
- if (char_count > info->mon.char_max)
- info->mon.char_max = char_count;
- info->mon.char_last = char_count;
+ ++info->mon.int_count;
+ info->mon.char_count += char_count;
+ if (char_count > info->mon.char_max)
+ info->mon.char_max = char_count;
+ info->mon.char_last = char_count;
#endif
- len = tty_buffer_request_room(tty, char_count);
- while(len--){
- data = cy_readb(base_addr+(CyRDSR<<index));
- tty_insert_flip_char(tty, data, TTY_NORMAL);
- info->idle_stats.recv_bytes++;
- info->icount.rx++;
+ len = tty_buffer_request_room(tty, char_count);
+ while (len--) {
+ data = readb(base_addr + (CyRDSR << index));
+ tty_insert_flip_char(tty, data, TTY_NORMAL);
+ info->idle_stats.recv_bytes++;
+ info->icount.rx++;
#ifdef CY_16Y_HACK
- udelay(10L);
+ udelay(10L);
#endif
- }
- info->idle_stats.recv_idle = jiffies;
- }
- tty_schedule_flip(tty);
- }
- /* end of service */
- cy_writeb(base_addr+(CyRIR<<index), (save_xir & 0x3f));
- cy_writeb(base_addr+(CyCAR<<index), (save_car));
- spin_unlock(&cinfo->card_lock);
- }
-
-
- if (status & CySRTransmit) { /* transmission interrupt */
- /* Since we only get here when the transmit buffer
- is empty, we know we can always stuff a dozen
- characters. */
+ }
+ info->idle_stats.recv_idle = jiffies;
+ }
+ tty_schedule_flip(tty);
+end:
+ /* end of service */
+ cy_writeb(base_addr + (CyRIR << index), save_xir & 0x3f);
+ cy_writeb(base_addr + (CyCAR << index), save_car);
+}
+
+static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
+ void __iomem *base_addr)
+{
+ struct cyclades_port *info;
+ int char_count, index = cinfo->bus_index;
+ u8 save_xir, channel, save_car, outch;
+
+ /* Since we only get here when the transmit buffer
+ is empty, we know we can always stuff a dozen
+ characters. */
#ifdef CY_DEBUG_INTERRUPTS
- printk("cyy_interrupt: xmit intr, chip %d\n\r", chip);
+ printk(KERN_DEBUG "cyy_interrupt: xmit intr, chip %d\n", chip);
#endif
- /* determine the channel & change to that context */
- spin_lock(&cinfo->card_lock);
- save_xir = (u_char) cy_readb(base_addr+(CyTIR<<index));
- channel = (u_short ) (save_xir & CyIRChannel);
- i = channel + chip * 4 + cinfo->first_line;
- save_car = cy_readb(base_addr+(CyCAR<<index));
- cy_writeb(base_addr+(CyCAR<<index), save_xir);
-
- /* validate the port# (as configured and open) */
- if( (i < 0) || (NR_PORTS <= i) ){
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy);
- goto txend;
- }
- info = &cy_port[i];
- info->last_active = jiffies;
- if(info->tty == 0){
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy);
- goto txdone;
- }
-
- /* load the on-chip space for outbound data */
- char_count = info->xmit_fifo_size;
-
- if(info->x_char) { /* send special char */
- outch = info->x_char;
- cy_writeb(base_addr+(CyTDR<<index), outch);
- char_count--;
- info->icount.tx++;
- info->x_char = 0;
- }
-
- if (info->breakon || info->breakoff) {
- if (info->breakon) {
- cy_writeb(base_addr + (CyTDR<<index), 0);
- cy_writeb(base_addr + (CyTDR<<index), 0x81);
- info->breakon = 0;
- char_count -= 2;
- }
- if (info->breakoff) {
- cy_writeb(base_addr + (CyTDR<<index), 0);
- cy_writeb(base_addr + (CyTDR<<index), 0x83);
- info->breakoff = 0;
- char_count -= 2;
- }
- }
-
- while (char_count-- > 0){
- if (!info->xmit_cnt){
- if (cy_readb(base_addr+(CySRER<<index))&CyTxMpty) {
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) &
- ~CyTxMpty);
- } else {
- cy_writeb(base_addr+(CySRER<<index),
- ((cy_readb(base_addr+(CySRER<<index))
- & ~CyTxRdy)
- | CyTxMpty));
- }
- goto txdone;
+ /* determine the channel & change to that context */
+ save_xir = readb(base_addr + (CyTIR << index));
+ channel = save_xir & CyIRChannel;
+ save_car = readb(base_addr + (CyCAR << index));
+ cy_writeb(base_addr + (CyCAR << index), save_xir);
+
+ /* validate the port# (as configured and open) */
+ if (channel + chip * 4 >= cinfo->nports) {
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) & ~CyTxRdy);
+ goto end;
+ }
+ info = &cinfo->ports[channel + chip * 4];
+ if (info->port.tty == NULL) {
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) & ~CyTxRdy);
+ goto end;
+ }
+
+ /* load the on-chip space for outbound data */
+ char_count = info->xmit_fifo_size;
+
+ if (info->x_char) { /* send special char */
+ outch = info->x_char;
+ cy_writeb(base_addr + (CyTDR << index), outch);
+ char_count--;
+ info->icount.tx++;
+ info->x_char = 0;
+ }
+
+ if (info->breakon || info->breakoff) {
+ if (info->breakon) {
+ cy_writeb(base_addr + (CyTDR << index), 0);
+ cy_writeb(base_addr + (CyTDR << index), 0x81);
+ info->breakon = 0;
+ char_count -= 2;
+ }
+ if (info->breakoff) {
+ cy_writeb(base_addr + (CyTDR << index), 0);
+ cy_writeb(base_addr + (CyTDR << index), 0x83);
+ info->breakoff = 0;
+ char_count -= 2;
+ }
+ }
+
+ while (char_count-- > 0) {
+ if (!info->xmit_cnt) {
+ if (readb(base_addr + (CySRER << index)) & CyTxMpty) {
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) &
+ ~CyTxMpty);
+ } else {
+ cy_writeb(base_addr + (CySRER << index),
+ (readb(base_addr + (CySRER << index)) &
+ ~CyTxRdy) | CyTxMpty);
}
- if (info->xmit_buf == 0){
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) &
+ goto done;
+ }
+ if (info->port.xmit_buf == NULL) {
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) &
~CyTxRdy);
- goto txdone;
- }
- if (info->tty->stopped || info->tty->hw_stopped){
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) &
+ goto done;
+ }
+ if (info->port.tty->stopped || info->port.tty->hw_stopped) {
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) &
~CyTxRdy);
- goto txdone;
- }
- /* Because the Embedded Transmit Commands have
- been enabled, we must check to see if the
- escape character, NULL, is being sent. If it
- is, we must ensure that there is room for it
- to be doubled in the output stream. Therefore
- we no longer advance the pointer when the
- character is fetched, but rather wait until
- after the check for a NULL output character.
- This is necessary because there may not be
- room for the two chars needed to send a NULL.)
- */
- outch = info->xmit_buf[info->xmit_tail];
- if( outch ){
- info->xmit_cnt--;
- info->xmit_tail = (info->xmit_tail + 1)
- & (SERIAL_XMIT_SIZE - 1);
- cy_writeb(base_addr+(CyTDR<<index), outch);
- info->icount.tx++;
- }else{
- if(char_count > 1){
- info->xmit_cnt--;
- info->xmit_tail = (info->xmit_tail + 1)
- & (SERIAL_XMIT_SIZE - 1);
- cy_writeb(base_addr+(CyTDR<<index),
- outch);
- cy_writeb(base_addr+(CyTDR<<index), 0);
+ goto done;
+ }
+ /* Because the Embedded Transmit Commands have been enabled,
+ * we must check to see if the escape character, NULL, is being
+ * sent. If it is, we must ensure that there is room for it to
+ * be doubled in the output stream. Therefore we no longer
+ * advance the pointer when the character is fetched, but
+ * rather wait until after the check for a NULL output
+ * character. This is necessary because there may not be room
+ * for the two chars needed to send a NULL.)
+ */
+ outch = info->port.xmit_buf[info->xmit_tail];
+ if (outch) {
+ info->xmit_cnt--;
+ info->xmit_tail = (info->xmit_tail + 1) &
+ (SERIAL_XMIT_SIZE - 1);
+ cy_writeb(base_addr + (CyTDR << index), outch);
+ info->icount.tx++;
+ } else {
+ if (char_count > 1) {
+ info->xmit_cnt--;
+ info->xmit_tail = (info->xmit_tail + 1) &
+ (SERIAL_XMIT_SIZE - 1);
+ cy_writeb(base_addr + (CyTDR << index), outch);
+ cy_writeb(base_addr + (CyTDR << index), 0);
info->icount.tx++;
- char_count--;
- }else{
- }
- }
- }
-
- txdone:
- if (info->xmit_cnt < WAKEUP_CHARS) {
- cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP);
- }
- txend:
- /* end of service */
- cy_writeb(base_addr+(CyTIR<<index),
- (save_xir & 0x3f));
- cy_writeb(base_addr+(CyCAR<<index), (save_car));
- spin_unlock(&cinfo->card_lock);
- }
-
- if (status & CySRModem) { /* modem interrupt */
-
- /* determine the channel & change to that context */
- spin_lock(&cinfo->card_lock);
- save_xir = (u_char) cy_readb(base_addr+(CyMIR<<index));
- channel = (u_short ) (save_xir & CyIRChannel);
- info = &cy_port[channel + chip * 4
- + cinfo->first_line];
- info->last_active = jiffies;
- save_car = cy_readb(base_addr+(CyCAR<<index));
- cy_writeb(base_addr+(CyCAR<<index), save_xir);
-
- mdm_change = cy_readb(base_addr+(CyMISR<<index));
- mdm_status = cy_readb(base_addr+(CyMSVR1<<index));
-
- if(info->tty == 0){/* no place for data, ignore it*/
- ;
- }else{
- if (mdm_change & CyANY_DELTA) {
- /* For statistics only */
- if (mdm_change & CyDCD) info->icount.dcd++;
- if (mdm_change & CyCTS) info->icount.cts++;
- if (mdm_change & CyDSR) info->icount.dsr++;
- if (mdm_change & CyRI) info->icount.rng++;
-
- cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP);
+ char_count--;
+ }
+ }
+ }
+
+done:
+ tty_wakeup(info->port.tty);
+end:
+ /* end of service */
+ cy_writeb(base_addr + (CyTIR << index), save_xir & 0x3f);
+ cy_writeb(base_addr + (CyCAR << index), save_car);
+}
+
+static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
+ void __iomem *base_addr)
+{
+ struct cyclades_port *info;
+ int index = cinfo->bus_index;
+ u8 save_xir, channel, save_car, mdm_change, mdm_status;
+
+ /* determine the channel & change to that context */
+ save_xir = readb(base_addr + (CyMIR << index));
+ channel = save_xir & CyIRChannel;
+ info = &cinfo->ports[channel + chip * 4];
+ save_car = readb(base_addr + (CyCAR << index));
+ cy_writeb(base_addr + (CyCAR << index), save_xir);
+
+ mdm_change = readb(base_addr + (CyMISR << index));
+ mdm_status = readb(base_addr + (CyMSVR1 << index));
+
+ if (!info->port.tty)
+ goto end;
+
+ if (mdm_change & CyANY_DELTA) {
+ /* For statistics only */
+ if (mdm_change & CyDCD)
+ info->icount.dcd++;
+ if (mdm_change & CyCTS)
+ info->icount.cts++;
+ if (mdm_change & CyDSR)
+ info->icount.dsr++;
+ if (mdm_change & CyRI)
+ info->icount.rng++;
+
+ wake_up_interruptible(&info->delta_msr_wait);
+ }
+
+ if ((mdm_change & CyDCD) && (info->port.flags & ASYNC_CHECK_CD)) {
+ if (!(mdm_status & CyDCD)) {
+ tty_hangup(info->port.tty);
+ info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+ }
+ wake_up_interruptible(&info->port.open_wait);
+ }
+ if ((mdm_change & CyCTS) && (info->port.flags & ASYNC_CTS_FLOW)) {
+ if (info->port.tty->hw_stopped) {
+ if (mdm_status & CyCTS) {
+ /* cy_start isn't used
+ because... !!! */
+ info->port.tty->hw_stopped = 0;
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) |
+ CyTxRdy);
+ tty_wakeup(info->port.tty);
+ }
+ } else {
+ if (!(mdm_status & CyCTS)) {
+ /* cy_stop isn't used
+ because ... !!! */
+ info->port.tty->hw_stopped = 1;
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) &
+ ~CyTxRdy);
}
+ }
+ }
+/* if (mdm_change & CyDSR) {
+ }
+ if (mdm_change & CyRI) {
+ }*/
+end:
+ /* end of service */
+ cy_writeb(base_addr + (CyMIR << index), save_xir & 0x3f);
+ cy_writeb(base_addr + (CyCAR << index), save_car);
+}
+
+/* The real interrupt service routine is called
+ whenever the card wants its hand held--chars
+ received, out buffer empty, modem change, etc.
+ */
+static irqreturn_t cyy_interrupt(int irq, void *dev_id)
+{
+ int status;
+ struct cyclades_card *cinfo = dev_id;
+ void __iomem *base_addr, *card_base_addr;
+ unsigned int chip, too_many, had_work;
+ int index;
+
+ if (unlikely(cinfo == NULL)) {
+#ifdef CY_DEBUG_INTERRUPTS
+ printk(KERN_DEBUG "cyy_interrupt: spurious interrupt %d\n",
+ irq);
+#endif
+ return IRQ_NONE; /* spurious interrupt */
+ }
+
+ card_base_addr = cinfo->base_addr;
+ index = cinfo->bus_index;
- if((mdm_change & CyDCD)
- && (info->flags & ASYNC_CHECK_CD)){
- if(mdm_status & CyDCD){
- cy_sched_event(info,
- Cy_EVENT_OPEN_WAKEUP);
- }else{
- cy_sched_event(info,
- Cy_EVENT_HANGUP);
- }
- }
- if((mdm_change & CyCTS)
- && (info->flags & ASYNC_CTS_FLOW)){
- if(info->tty->hw_stopped){
- if(mdm_status & CyCTS){
- /* cy_start isn't used
- because... !!! */
- info->tty->hw_stopped = 0;
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) |
- CyTxRdy);
- cy_sched_event(info,
- Cy_EVENT_WRITE_WAKEUP);
- }
- }else{
- if(!(mdm_status & CyCTS)){
- /* cy_stop isn't used
- because ... !!! */
- info->tty->hw_stopped = 1;
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) &
- ~CyTxRdy);
- }
- }
- }
- if(mdm_change & CyDSR){
- }
- if(mdm_change & CyRI){
- }
- }
- /* end of service */
- cy_writeb(base_addr+(CyMIR<<index),
- (save_xir & 0x3f));
- cy_writeb(base_addr+(CyCAR<<index), save_car);
- spin_unlock(&cinfo->card_lock);
- }
- } /* end while status != 0 */
- } /* end loop for chips... */
- } while(had_work);
-
- /* clear interrupts */
- spin_lock(&cinfo->card_lock);
- cy_writeb(card_base_addr + (Cy_ClrIntr<<index), 0);
- /* Cy_ClrIntr is 0x1800 */
- spin_unlock(&cinfo->card_lock);
- return IRQ_HANDLED;
-} /* cyy_interrupt */
+ /* card was not initialized yet (e.g. DEBUG_SHIRQ) */
+ if (unlikely(card_base_addr == NULL))
+ return IRQ_HANDLED;
+
+ /* This loop checks all chips in the card. Make a note whenever
+ _any_ chip had some work to do, as this is considered an
+ indication that there will be more to do. Only when no chip
+ has any work does this outermost loop exit.
+ */
+ do {
+ had_work = 0;
+ for (chip = 0; chip < cinfo->num_chips; chip++) {
+ base_addr = cinfo->base_addr +
+ (cy_chip_offset[chip] << index);
+ too_many = 0;
+ while ((status = readb(base_addr +
+ (CySVRR << index))) != 0x00) {
+ had_work++;
+ /* The purpose of the following test is to ensure that
+ no chip can monopolize the driver. This forces the
+ chips to be checked in a round-robin fashion (after
+ draining each of a bunch (1000) of characters).
+ */
+ if (1000 < too_many++)
+ break;
+ spin_lock(&cinfo->card_lock);
+ if (status & CySRReceive) /* rx intr */
+ cyy_chip_rx(cinfo, chip, base_addr);
+ if (status & CySRTransmit) /* tx intr */
+ cyy_chip_tx(cinfo, chip, base_addr);
+ if (status & CySRModem) /* modem intr */
+ cyy_chip_modem(cinfo, chip, base_addr);
+ spin_unlock(&cinfo->card_lock);
+ }
+ }
+ } while (had_work);
+
+ /* clear interrupts */
+ spin_lock(&cinfo->card_lock);
+ cy_writeb(card_base_addr + (Cy_ClrIntr << index), 0);
+ /* Cy_ClrIntr is 0x1800 */
+ spin_unlock(&cinfo->card_lock);
+ return IRQ_HANDLED;
+} /* cyy_interrupt */
/***********************************************************/
/********* End of block of Cyclom-Y specific code **********/
-/******** Start of block of Cyclades-Z specific code *********/
+/******** Start of block of Cyclades-Z specific code *******/
/***********************************************************/
static int
-cyz_fetch_msg( struct cyclades_card *cinfo,
- uclong *channel, ucchar *cmd, uclong *param)
+cyz_fetch_msg(struct cyclades_card *cinfo,
+ __u32 *channel, __u8 *cmd, __u32 *param)
{
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- unsigned long loc_doorbell;
-
- firm_id = cinfo->base_addr + ID_ADDRESS;
- if (!ISZLOADED(*cinfo)){
- return (-1);
- }
- zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
-
- loc_doorbell = cy_readl(&((struct RUNTIME_9060 __iomem *)
- (cinfo->ctl_addr))->loc_doorbell);
- if (loc_doorbell){
- *cmd = (char)(0xff & loc_doorbell);
- *channel = cy_readl(&board_ctrl->fwcmd_channel);
- *param = (uclong)cy_readl(&board_ctrl->fwcmd_param);
- cy_writel(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))->loc_doorbell,
- 0xffffffff);
- return 1;
- }
- return 0;
-} /* cyz_fetch_msg */
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl;
+ unsigned long loc_doorbell;
+
+ firm_id = cinfo->base_addr + ID_ADDRESS;
+ zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ board_ctrl = &zfw_ctrl->board_ctrl;
+
+ loc_doorbell = readl(&cinfo->ctl_addr.p9060->loc_doorbell);
+ if (loc_doorbell) {
+ *cmd = (char)(0xff & loc_doorbell);
+ *channel = readl(&board_ctrl->fwcmd_channel);
+ *param = (__u32) readl(&board_ctrl->fwcmd_param);
+ cy_writel(&cinfo->ctl_addr.p9060->loc_doorbell, 0xffffffff);
+ return 1;
+ }
+ return 0;
+} /* cyz_fetch_msg */
static int
-cyz_issue_cmd( struct cyclades_card *cinfo,
- uclong channel, ucchar cmd, uclong param)
+cyz_issue_cmd(struct cyclades_card *cinfo,
+ __u32 channel, __u8 cmd, __u32 param)
{
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- unsigned long __iomem *pci_doorbell;
- int index;
-
- firm_id = cinfo->base_addr + ID_ADDRESS;
- if (!ISZLOADED(*cinfo)){
- return (-1);
- }
- zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
-
- index = 0;
- pci_doorbell = &((struct RUNTIME_9060 __iomem *) (cinfo->ctl_addr))->pci_doorbell;
- while( (cy_readl(pci_doorbell) & 0xff) != 0){
- if (index++ == 1000){
- return((int)(cy_readl(pci_doorbell) & 0xff));
- }
- udelay(50L);
- }
- cy_writel(&board_ctrl->hcmd_channel, channel);
- cy_writel(&board_ctrl->hcmd_param , param);
- cy_writel(pci_doorbell, (long)cmd);
-
- return(0);
-} /* cyz_issue_cmd */
-
-static void
-cyz_handle_rx(struct cyclades_port *info,
- volatile struct CH_CTRL __iomem *ch_ctrl,
- volatile struct BUF_CTRL __iomem *buf_ctrl)
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl;
+ __u32 __iomem *pci_doorbell;
+ unsigned int index;
+
+ firm_id = cinfo->base_addr + ID_ADDRESS;
+ if (!cyz_is_loaded(cinfo))
+ return -1;
+
+ zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ board_ctrl = &zfw_ctrl->board_ctrl;
+
+ index = 0;
+ pci_doorbell = &cinfo->ctl_addr.p9060->pci_doorbell;
+ while ((readl(pci_doorbell) & 0xff) != 0) {
+ if (index++ == 1000)
+ return (int)(readl(pci_doorbell) & 0xff);
+ udelay(50L);
+ }
+ cy_writel(&board_ctrl->hcmd_channel, channel);
+ cy_writel(&board_ctrl->hcmd_param, param);
+ cy_writel(pci_doorbell, (long)cmd);
+
+ return 0;
+} /* cyz_issue_cmd */
+
+static void cyz_handle_rx(struct cyclades_port *info,
+ struct BUF_CTRL __iomem *buf_ctrl)
{
- struct cyclades_card *cinfo = &cy_card[info->card];
- struct tty_struct *tty = info->tty;
- volatile int char_count;
- int len;
+ struct cyclades_card *cinfo = info->card;
+ struct tty_struct *tty = info->port.tty;
+ unsigned int char_count;
+ int len;
#ifdef BLOCKMOVE
- int small_count;
+ unsigned char *buf;
#else
- char data;
+ char data;
#endif
- volatile uclong rx_put, rx_get, new_rx_get, rx_bufsize, rx_bufaddr;
-
- rx_get = new_rx_get = cy_readl(&buf_ctrl->rx_get);
- rx_put = cy_readl(&buf_ctrl->rx_put);
- rx_bufsize = cy_readl(&buf_ctrl->rx_bufsize);
- rx_bufaddr = cy_readl(&buf_ctrl->rx_bufaddr);
- if (rx_put >= rx_get)
- char_count = rx_put - rx_get;
- else
- char_count = rx_put - rx_get + rx_bufsize;
+ __u32 rx_put, rx_get, new_rx_get, rx_bufsize, rx_bufaddr;
- if ( char_count ) {
- info->last_active = jiffies;
- info->jiffies[1] = jiffies;
+ rx_get = new_rx_get = readl(&buf_ctrl->rx_get);
+ rx_put = readl(&buf_ctrl->rx_put);
+ rx_bufsize = readl(&buf_ctrl->rx_bufsize);
+ rx_bufaddr = readl(&buf_ctrl->rx_bufaddr);
+ if (rx_put >= rx_get)
+ char_count = rx_put - rx_get;
+ else
+ char_count = rx_put - rx_get + rx_bufsize;
+ if (char_count) {
#ifdef CY_ENABLE_MONITORING
- info->mon.int_count++;
- info->mon.char_count += char_count;
- if (char_count > info->mon.char_max)
- info->mon.char_max = char_count;
- info->mon.char_last = char_count;
+ info->mon.int_count++;
+ info->mon.char_count += char_count;
+ if (char_count > info->mon.char_max)
+ info->mon.char_max = char_count;
+ info->mon.char_last = char_count;
#endif
- if(tty == 0){
- /* flush received characters */
- new_rx_get = (new_rx_get + char_count) & (rx_bufsize - 1);
- info->rflush_count++;
- }else{
+ if (tty == NULL) {
+ /* flush received characters */
+ new_rx_get = (new_rx_get + char_count) &
+ (rx_bufsize - 1);
+ info->rflush_count++;
+ } else {
#ifdef BLOCKMOVE
- /* we'd like to use memcpy(t, f, n) and memset(s, c, count)
- for performance, but because of buffer boundaries, there
- may be several steps to the operation */
- while(0 < (small_count =
- min_t(unsigned int, (rx_bufsize - new_rx_get),
- min_t(unsigned int, (TTY_FLIPBUF_SIZE - tty->flip.count), char_count))
- )) {
- memcpy_fromio(tty->flip.char_buf_ptr,
- (char *)(cinfo->base_addr
- + rx_bufaddr + new_rx_get),
- small_count);
-
- tty->flip.char_buf_ptr += small_count;
- memset(tty->flip.flag_buf_ptr, TTY_NORMAL, small_count);
- tty->flip.flag_buf_ptr += small_count;
- new_rx_get = (new_rx_get + small_count) & (rx_bufsize - 1);
- char_count -= small_count;
- info->icount.rx += small_count;
- info->idle_stats.recv_bytes += small_count;
- tty->flip.count += small_count;
- }
+ /* we'd like to use memcpy(t, f, n) and memset(s, c, count)
+ for performance, but because of buffer boundaries, there
+ may be several steps to the operation */
+ while (1) {
+ len = tty_prepare_flip_string(tty, &buf,
+ char_count);
+ if (!len)
+ break;
+
+ len = min_t(unsigned int, min(len, char_count),
+ rx_bufsize - new_rx_get);
+
+ memcpy_fromio(buf, cinfo->base_addr +
+ rx_bufaddr + new_rx_get, len);
+
+ new_rx_get = (new_rx_get + len) &
+ (rx_bufsize - 1);
+ char_count -= len;
+ info->icount.rx += len;
+ info->idle_stats.recv_bytes += len;
+ }
#else
- len = tty_buffer_request_room(tty, char_count);
- while(len--){
- data = cy_readb(cinfo->base_addr + rx_bufaddr + new_rx_get);
- new_rx_get = (new_rx_get + 1) & (rx_bufsize - 1);
- tty_insert_flip_char(tty, data, TTY_NORMAL);
- info->idle_stats.recv_bytes++;
- info->icount.rx++;
- }
+ len = tty_buffer_request_room(tty, char_count);
+ while (len--) {
+ data = readb(cinfo->base_addr + rx_bufaddr +
+ new_rx_get);
+ new_rx_get = (new_rx_get + 1) &
+ (rx_bufsize - 1);
+ tty_insert_flip_char(tty, data, TTY_NORMAL);
+ info->idle_stats.recv_bytes++;
+ info->icount.rx++;
+ }
#endif
#ifdef CONFIG_CYZ_INTR
- /* Recalculate the number of chars in the RX buffer and issue
- a cmd in case it's higher than the RX high water mark */
- rx_put = cy_readl(&buf_ctrl->rx_put);
- if (rx_put >= rx_get)
- char_count = rx_put - rx_get;
- else
- char_count = rx_put - rx_get + rx_bufsize;
- if(char_count >= cy_readl(&buf_ctrl->rx_threshold)) {
- cy_sched_event(info, Cy_EVENT_Z_RX_FULL);
- }
+ /* Recalculate the number of chars in the RX buffer and issue
+ a cmd in case it's higher than the RX high water mark */
+ rx_put = readl(&buf_ctrl->rx_put);
+ if (rx_put >= rx_get)
+ char_count = rx_put - rx_get;
+ else
+ char_count = rx_put - rx_get + rx_bufsize;
+ if (char_count >= readl(&buf_ctrl->rx_threshold) &&
+ !timer_pending(&cyz_rx_full_timer[
+ info->line]))
+ mod_timer(&cyz_rx_full_timer[info->line],
+ jiffies + 1);
#endif
- info->idle_stats.recv_idle = jiffies;
- tty_schedule_flip(tty);
+ info->idle_stats.recv_idle = jiffies;
+ tty_schedule_flip(tty);
+ }
+ /* Update rx_get */
+ cy_writel(&buf_ctrl->rx_get, new_rx_get);
}
- /* Update rx_get */
- cy_writel(&buf_ctrl->rx_get, new_rx_get);
- }
}
-static void
-cyz_handle_tx(struct cyclades_port *info,
- volatile struct CH_CTRL __iomem *ch_ctrl,
- volatile struct BUF_CTRL __iomem *buf_ctrl)
+static void cyz_handle_tx(struct cyclades_port *info,
+ struct BUF_CTRL __iomem *buf_ctrl)
{
- struct cyclades_card *cinfo = &cy_card[info->card];
- struct tty_struct *tty = info->tty;
- char data;
- volatile int char_count;
+ struct cyclades_card *cinfo = info->card;
+ struct tty_struct *tty = info->port.tty;
+ u8 data;
+ unsigned int char_count;
#ifdef BLOCKMOVE
- int small_count;
+ int small_count;
#endif
- volatile uclong tx_put, tx_get, tx_bufsize, tx_bufaddr;
+ __u32 tx_put, tx_get, tx_bufsize, tx_bufaddr;
- if (info->xmit_cnt <= 0) /* Nothing to transmit */
- return;
+ if (info->xmit_cnt <= 0) /* Nothing to transmit */
+ return;
- tx_get = cy_readl(&buf_ctrl->tx_get);
- tx_put = cy_readl(&buf_ctrl->tx_put);
- tx_bufsize = cy_readl(&buf_ctrl->tx_bufsize);
- tx_bufaddr = cy_readl(&buf_ctrl->tx_bufaddr);
- if (tx_put >= tx_get)
- char_count = tx_get - tx_put - 1 + tx_bufsize;
- else
- char_count = tx_get - tx_put - 1;
+ tx_get = readl(&buf_ctrl->tx_get);
+ tx_put = readl(&buf_ctrl->tx_put);
+ tx_bufsize = readl(&buf_ctrl->tx_bufsize);
+ tx_bufaddr = readl(&buf_ctrl->tx_bufaddr);
+ if (tx_put >= tx_get)
+ char_count = tx_get - tx_put - 1 + tx_bufsize;
+ else
+ char_count = tx_get - tx_put - 1;
- if ( char_count ) {
+ if (char_count) {
- if( tty == 0 ){
- goto ztxdone;
- }
+ if (tty == NULL)
+ goto ztxdone;
- if(info->x_char) { /* send special char */
- data = info->x_char;
+ if (info->x_char) { /* send special char */
+ data = info->x_char;
- cy_writeb((cinfo->base_addr + tx_bufaddr + tx_put), data);
- tx_put = (tx_put + 1) & (tx_bufsize - 1);
- info->x_char = 0;
- char_count--;
- info->icount.tx++;
- info->last_active = jiffies;
- info->jiffies[2] = jiffies;
- }
+ cy_writeb(cinfo->base_addr + tx_bufaddr + tx_put, data);
+ tx_put = (tx_put + 1) & (tx_bufsize - 1);
+ info->x_char = 0;
+ char_count--;
+ info->icount.tx++;
+ }
#ifdef BLOCKMOVE
- while(0 < (small_count =
- min_t(unsigned int, (tx_bufsize - tx_put),
- min_t(unsigned int, (SERIAL_XMIT_SIZE - info->xmit_tail),
- min_t(unsigned int, info->xmit_cnt, char_count))))) {
-
- memcpy_toio((char *)(cinfo->base_addr + tx_bufaddr + tx_put),
- &info->xmit_buf[info->xmit_tail],
- small_count);
-
- tx_put = (tx_put + small_count) & (tx_bufsize - 1);
- char_count -= small_count;
- info->icount.tx += small_count;
- info->xmit_cnt -= small_count;
- info->xmit_tail =
- (info->xmit_tail + small_count) & (SERIAL_XMIT_SIZE - 1);
- info->last_active = jiffies;
- info->jiffies[2] = jiffies;
- }
+ while (0 < (small_count = min_t(unsigned int,
+ tx_bufsize - tx_put, min_t(unsigned int,
+ (SERIAL_XMIT_SIZE - info->xmit_tail),
+ min_t(unsigned int, info->xmit_cnt,
+ char_count))))) {
+
+ memcpy_toio((char *)(cinfo->base_addr + tx_bufaddr +
+ tx_put),
+ &info->port.xmit_buf[info->xmit_tail],
+ small_count);
+
+ tx_put = (tx_put + small_count) & (tx_bufsize - 1);
+ char_count -= small_count;
+ info->icount.tx += small_count;
+ info->xmit_cnt -= small_count;
+ info->xmit_tail = (info->xmit_tail + small_count) &
+ (SERIAL_XMIT_SIZE - 1);
+ }
#else
- while (info->xmit_cnt && char_count){
- data = info->xmit_buf[info->xmit_tail];
- info->xmit_cnt--;
- info->xmit_tail = (info->xmit_tail + 1) & (SERIAL_XMIT_SIZE - 1);
-
- cy_writeb(cinfo->base_addr + tx_bufaddr + tx_put, data);
- tx_put = (tx_put + 1) & (tx_bufsize - 1);
- char_count--;
- info->icount.tx++;
- info->last_active = jiffies;
- info->jiffies[2] = jiffies;
- }
+ while (info->xmit_cnt && char_count) {
+ data = info->port.xmit_buf[info->xmit_tail];
+ info->xmit_cnt--;
+ info->xmit_tail = (info->xmit_tail + 1) &
+ (SERIAL_XMIT_SIZE - 1);
+
+ cy_writeb(cinfo->base_addr + tx_bufaddr + tx_put, data);
+ tx_put = (tx_put + 1) & (tx_bufsize - 1);
+ char_count--;
+ info->icount.tx++;
+ }
#endif
- ztxdone:
- if (info->xmit_cnt < WAKEUP_CHARS) {
- cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP);
+ tty_wakeup(tty);
+ztxdone:
+ /* Update tx_put */
+ cy_writel(&buf_ctrl->tx_put, tx_put);
}
- /* Update tx_put */
- cy_writel(&buf_ctrl->tx_put, tx_put);
- }
}
-static void
-cyz_handle_cmd(struct cyclades_card *cinfo)
+static void cyz_handle_cmd(struct cyclades_card *cinfo)
{
- struct tty_struct *tty;
- struct cyclades_port *info;
- static volatile struct FIRM_ID __iomem *firm_id;
- static volatile struct ZFW_CTRL __iomem *zfw_ctrl;
- static volatile struct BOARD_CTRL __iomem *board_ctrl;
- static volatile struct CH_CTRL __iomem *ch_ctrl;
- static volatile struct BUF_CTRL __iomem *buf_ctrl;
- uclong channel;
- ucchar cmd;
- uclong param;
- uclong hw_ver, fw_ver;
- int special_count;
- int delta_count;
-
- firm_id = cinfo->base_addr + ID_ADDRESS;
- zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- fw_ver = cy_readl(&board_ctrl->fw_version);
- hw_ver = cy_readl(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))->mail_box_0);
-
-
- while(cyz_fetch_msg(cinfo, &channel, &cmd, ¶m) == 1) {
- special_count = 0;
- delta_count = 0;
- info = &cy_port[channel + cinfo->first_line];
- if((tty = info->tty) == 0) {
- continue;
- }
- ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
- buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]);
-
- switch(cmd) {
- case C_CM_PR_ERROR:
- tty_insert_flip_char(tty, 0, TTY_PARITY);
- info->icount.rx++;
- special_count++;
- break;
- case C_CM_FR_ERROR:
- tty_insert_flip_char(tty, 0, TTY_FRAME);
- info->icount.rx++;
- special_count++;
- break;
- case C_CM_RXBRK:
- tty_insert_flip_char(tty, 0, TTY_BREAK);
- info->icount.rx++;
- special_count++;
- break;
- case C_CM_MDCD:
- info->icount.dcd++;
- delta_count++;
- if (info->flags & ASYNC_CHECK_CD){
- if ((fw_ver > 241 ?
- ((u_long)param) :
- cy_readl(&ch_ctrl->rs_status)) & C_RS_DCD) {
- cy_sched_event(info, Cy_EVENT_OPEN_WAKEUP);
- }else{
- cy_sched_event(info, Cy_EVENT_HANGUP);
- }
- }
- break;
- case C_CM_MCTS:
- info->icount.cts++;
- delta_count++;
- break;
- case C_CM_MRI:
- info->icount.rng++;
- delta_count++;
- break;
- case C_CM_MDSR:
- info->icount.dsr++;
- delta_count++;
- break;
+ struct tty_struct *tty;
+ struct cyclades_port *info;
+ static struct FIRM_ID __iomem *firm_id;
+ static struct ZFW_CTRL __iomem *zfw_ctrl;
+ static struct BOARD_CTRL __iomem *board_ctrl;
+ static struct CH_CTRL __iomem *ch_ctrl;
+ static struct BUF_CTRL __iomem *buf_ctrl;
+ __u32 channel, param, fw_ver;
+ __u8 cmd;
+ int special_count;
+ int delta_count;
+
+ firm_id = cinfo->base_addr + ID_ADDRESS;
+ zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ board_ctrl = &zfw_ctrl->board_ctrl;
+ fw_ver = readl(&board_ctrl->fw_version);
+
+ while (cyz_fetch_msg(cinfo, &channel, &cmd, ¶m) == 1) {
+ special_count = 0;
+ delta_count = 0;
+ info = &cinfo->ports[channel];
+ tty = info->port.tty;
+ if (tty == NULL)
+ continue;
+
+ ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
+ buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]);
+
+ switch (cmd) {
+ case C_CM_PR_ERROR:
+ tty_insert_flip_char(tty, 0, TTY_PARITY);
+ info->icount.rx++;
+ special_count++;
+ break;
+ case C_CM_FR_ERROR:
+ tty_insert_flip_char(tty, 0, TTY_FRAME);
+ info->icount.rx++;
+ special_count++;
+ break;
+ case C_CM_RXBRK:
+ tty_insert_flip_char(tty, 0, TTY_BREAK);
+ info->icount.rx++;
+ special_count++;
+ break;
+ case C_CM_MDCD:
+ info->icount.dcd++;
+ delta_count++;
+ if (info->port.flags & ASYNC_CHECK_CD) {
+ if ((fw_ver > 241 ? ((u_long) param) :
+ readl(&ch_ctrl->rs_status)) &
+ C_RS_DCD) {
+ wake_up_interruptible(&info->port.open_wait);
+ } else {
+ tty_hangup(info->port.tty);
+ wake_up_interruptible(&info->port.open_wait);
+ info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+ }
+ }
+ break;
+ case C_CM_MCTS:
+ info->icount.cts++;
+ delta_count++;
+ break;
+ case C_CM_MRI:
+ info->icount.rng++;
+ delta_count++;
+ break;
+ case C_CM_MDSR:
+ info->icount.dsr++;
+ delta_count++;
+ break;
#ifdef Z_WAKE
- case C_CM_IOCTLW:
- cy_sched_event(info, Cy_EVENT_SHUTDOWN_WAKEUP);
- break;
+ case C_CM_IOCTLW:
+ complete(&info->shutdown_wait);
+ break;
#endif
#ifdef CONFIG_CYZ_INTR
- case C_CM_RXHIWM:
- case C_CM_RXNNDT:
- case C_CM_INTBACK2:
- /* Reception Interrupt */
+ case C_CM_RXHIWM:
+ case C_CM_RXNNDT:
+ case C_CM_INTBACK2:
+ /* Reception Interrupt */
#ifdef CY_DEBUG_INTERRUPTS
- printk("cyz_interrupt: rcvd intr, card %d, port %ld\n\r",
- info->card, channel);
+ printk(KERN_DEBUG "cyz_interrupt: rcvd intr, card %d, "
+ "port %ld\n", info->card, channel);
#endif
- cyz_handle_rx(info, ch_ctrl, buf_ctrl);
- break;
- case C_CM_TXBEMPTY:
- case C_CM_TXLOWWM:
- case C_CM_INTBACK:
- /* Transmission Interrupt */
+ cyz_handle_rx(info, buf_ctrl);
+ break;
+ case C_CM_TXBEMPTY:
+ case C_CM_TXLOWWM:
+ case C_CM_INTBACK:
+ /* Transmission Interrupt */
#ifdef CY_DEBUG_INTERRUPTS
- printk("cyz_interrupt: xmit intr, card %d, port %ld\n\r",
- info->card, channel);
+ printk(KERN_DEBUG "cyz_interrupt: xmit intr, card %d, "
+ "port %ld\n", info->card, channel);
#endif
- cyz_handle_tx(info, ch_ctrl, buf_ctrl);
- break;
-#endif /* CONFIG_CYZ_INTR */
- case C_CM_FATAL:
- /* should do something with this !!! */
- break;
- default:
- break;
+ cyz_handle_tx(info, buf_ctrl);
+ break;
+#endif /* CONFIG_CYZ_INTR */
+ case C_CM_FATAL:
+ /* should do something with this !!! */
+ break;
+ default:
+ break;
+ }
+ if (delta_count)
+ wake_up_interruptible(&info->delta_msr_wait);
+ if (special_count)
+ tty_schedule_flip(tty);
}
- if(delta_count)
- cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP);
- if(special_count)
- tty_schedule_flip(tty);
- }
}
#ifdef CONFIG_CYZ_INTR
-static irqreturn_t
-cyz_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t cyz_interrupt(int irq, void *dev_id)
{
- struct cyclades_card *cinfo;
-
- if((cinfo = (struct cyclades_card *)dev_id) == 0){
-#ifdef CY_DEBUG_INTERRUPTS
- printk("cyz_interrupt: spurious interrupt %d\n\r", irq);
-#endif
- return IRQ_NONE; /* spurious interrupt */
- }
+ struct cyclades_card *cinfo = dev_id;
- if (!ISZLOADED(*cinfo)) {
+ if (unlikely(!cyz_is_loaded(cinfo))) {
#ifdef CY_DEBUG_INTERRUPTS
- printk("cyz_interrupt: board not yet loaded (IRQ%d).\n\r", irq);
+ printk(KERN_DEBUG "cyz_interrupt: board not yet loaded "
+ "(IRQ%d).\n", irq);
#endif
- return IRQ_NONE;
- }
+ return IRQ_NONE;
+ }
- /* Handle the interrupts */
- cyz_handle_cmd(cinfo);
+ /* Handle the interrupts */
+ cyz_handle_cmd(cinfo);
- return IRQ_HANDLED;
-} /* cyz_interrupt */
+ return IRQ_HANDLED;
+} /* cyz_interrupt */
-static void
-cyz_rx_restart(unsigned long arg)
+static void cyz_rx_restart(unsigned long arg)
{
- struct cyclades_port *info = (struct cyclades_port *)arg;
- int retval;
- int card = info->card;
- uclong channel = (info->line) - (cy_card[card].first_line);
- unsigned long flags;
-
- CY_LOCK(info, flags);
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK2, 0L);
- if (retval != 0){
- printk("cyc:cyz_rx_restart retval on ttyC%d was %x\n",
- info->line, retval);
- }
- cyz_rx_full_timer[info->line].function = NULL;
- CY_UNLOCK(info, flags);
+ struct cyclades_port *info = (struct cyclades_port *)arg;
+ struct cyclades_card *card = info->card;
+ int retval;
+ __u32 channel = info->line - card->first_line;
+ unsigned long flags;
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ retval = cyz_issue_cmd(card, channel, C_CM_INTBACK2, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:cyz_rx_restart retval on ttyC%d was %x\n",
+ info->line, retval);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
}
-#else /* CONFIG_CYZ_INTR */
+#else /* CONFIG_CYZ_INTR */
-static void
-cyz_poll(unsigned long arg)
+static void cyz_poll(unsigned long arg)
{
- struct cyclades_card *cinfo;
- struct cyclades_port *info;
- struct tty_struct *tty;
- static volatile struct FIRM_ID *firm_id;
- static volatile struct ZFW_CTRL *zfw_ctrl;
- static volatile struct BOARD_CTRL *board_ctrl;
- static volatile struct CH_CTRL *ch_ctrl;
- static volatile struct BUF_CTRL *buf_ctrl;
- int card, port;
-
- cyz_timerlist.expires = jiffies + (HZ);
- for (card = 0 ; card < NR_CARDS ; card++){
- cinfo = &cy_card[card];
-
- if (!IS_CYC_Z(*cinfo)) continue;
- if (!ISZLOADED(*cinfo)) continue;
+ struct cyclades_card *cinfo;
+ struct cyclades_port *info;
+ struct tty_struct *tty;
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct BUF_CTRL __iomem *buf_ctrl;
+ unsigned long expires = jiffies + HZ;
+ unsigned int port, card;
+
+ for (card = 0; card < NR_CARDS; card++) {
+ cinfo = &cy_card[card];
+
+ if (!cy_is_Z(cinfo))
+ continue;
+ if (!cyz_is_loaded(cinfo))
+ continue;
- firm_id = cinfo->base_addr + ID_ADDRESS;
- zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &(zfw_ctrl->board_ctrl);
+ firm_id = cinfo->base_addr + ID_ADDRESS;
+ zfw_ctrl = cinfo->base_addr +
+ (readl(&firm_id->zfwctrl_addr) & 0xfffff);
/* Skip first polling cycle to avoid racing conditions with the FW */
- if (!cinfo->intr_enabled) {
- cinfo->nports = (int) cy_readl(&board_ctrl->n_channel);
- cinfo->intr_enabled = 1;
- continue;
- }
+ if (!cinfo->intr_enabled) {
+ cinfo->intr_enabled = 1;
+ continue;
+ }
- cyz_handle_cmd(cinfo);
+ cyz_handle_cmd(cinfo);
- for (port = 0 ; port < cinfo->nports ; port++) {
- info = &cy_port[ port + cinfo->first_line ];
- tty = info->tty;
- ch_ctrl = &(zfw_ctrl->ch_ctrl[port]);
- buf_ctrl = &(zfw_ctrl->buf_ctrl[port]);
+ for (port = 0; port < cinfo->nports; port++) {
+ info = &cinfo->ports[port];
+ tty = info->port.tty;
+ buf_ctrl = &(zfw_ctrl->buf_ctrl[port]);
- if (!info->throttle)
- cyz_handle_rx(info, ch_ctrl, buf_ctrl);
- cyz_handle_tx(info, ch_ctrl, buf_ctrl);
+ if (!info->throttle)
+ cyz_handle_rx(info, buf_ctrl);
+ cyz_handle_tx(info, buf_ctrl);
+ }
+ /* poll every 'cyz_polling_cycle' period */
+ expires = jiffies + cyz_polling_cycle;
}
- /* poll every 'cyz_polling_cycle' period */
- cyz_timerlist.expires = jiffies + cyz_polling_cycle;
- }
- add_timer(&cyz_timerlist);
+ mod_timer(&cyz_timerlist, expires);
+} /* cyz_poll */
- return;
-} /* cyz_poll */
-
-#endif /* CONFIG_CYZ_INTR */
+#endif /* CONFIG_CYZ_INTR */
/********** End of block of Cyclades-Z specific code *********/
/***********************************************************/
-
/* This is called whenever a port becomes active;
interrupts are enabled and DTR & RTS are turned on.
*/
-static int
-startup(struct cyclades_port * info)
+static int startup(struct cyclades_port *info)
{
- unsigned long flags;
- int retval = 0;
- void __iomem *base_addr;
- int card,chip,channel,index;
- unsigned long page;
+ struct cyclades_card *card;
+ unsigned long flags;
+ int retval = 0;
+ void __iomem *base_addr;
+ int chip, channel, index;
+ unsigned long page;
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
+ card = info->card;
+ channel = info->line - card->first_line;
- page = get_zeroed_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
+ page = get_zeroed_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
- CY_LOCK(info, flags);
+ spin_lock_irqsave(&card->card_lock, flags);
- if (info->flags & ASYNC_INITIALIZED){
- free_page(page);
- goto errout;
- }
+ if (info->port.flags & ASYNC_INITIALIZED) {
+ free_page(page);
+ goto errout;
+ }
- if (!info->type){
- if (info->tty){
- set_bit(TTY_IO_ERROR, &info->tty->flags);
- }
- free_page(page);
- goto errout;
- }
+ if (!info->type) {
+ if (info->port.tty)
+ set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ free_page(page);
+ goto errout;
+ }
- if (info->xmit_buf)
- free_page(page);
- else
- info->xmit_buf = (unsigned char *) page;
+ if (info->port.xmit_buf)
+ free_page(page);
+ else
+ info->port.xmit_buf = (unsigned char *)page;
- CY_UNLOCK(info, flags);
+ spin_unlock_irqrestore(&card->card_lock, flags);
- set_line_char(info);
+ set_line_char(info);
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
#ifdef CY_DEBUG_OPEN
- printk("cyc startup card %d, chip %d, channel %d, base_addr %lx\n",
- card, chip, channel, (long)base_addr);/**/
+ printk(KERN_DEBUG "cyc startup card %d, chip %d, channel %d, "
+ "base_addr %p\n",
+ card, chip, channel, base_addr);
#endif
+ spin_lock_irqsave(&card->card_lock, flags);
- CY_LOCK(info, flags);
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
+ cy_writeb(base_addr + (CyRTPR << index),
+ (info->default_timeout ? info->default_timeout : 0x02));
+ /* 10ms rx timeout */
- cy_writeb(base_addr+(CyRTPR<<index), (info->default_timeout
- ? info->default_timeout : 0x02)); /* 10ms rx timeout */
+ cyy_issue_cmd(base_addr, CyCHAN_CTL | CyENB_RCVR | CyENB_XMTR,
+ index);
- cyy_issue_cmd(base_addr,CyCHAN_CTL|CyENB_RCVR|CyENB_XMTR,index);
-
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- cy_writeb(base_addr+(CyMSVR1<<index), CyRTS);
- cy_writeb(base_addr+(CyMSVR2<<index), CyDTR);
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ cy_writeb(base_addr + (CyMSVR1 << index), CyRTS);
+ cy_writeb(base_addr + (CyMSVR2 << index), CyDTR);
#ifdef CY_DEBUG_DTR
- printk("cyc:startup raising DTR\n");
- printk(" status: 0x%x, 0x%x\n",
- cy_readb(base_addr+(CyMSVR1<<index)),
- cy_readb(base_addr+(CyMSVR2<<index)));
+ printk(KERN_DEBUG "cyc:startup raising DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
#endif
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) | CyRxData);
- info->flags |= ASYNC_INITIALIZED;
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) | CyRxData);
+ info->port.flags |= ASYNC_INITIALIZED;
- if (info->tty){
- clear_bit(TTY_IO_ERROR, &info->tty->flags);
- }
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
- info->breakon = info->breakoff = 0;
- memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
- info->idle_stats.in_use =
- info->idle_stats.recv_idle =
- info->idle_stats.xmit_idle = jiffies;
+ if (info->port.tty)
+ clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
+ info->breakon = info->breakoff = 0;
+ memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
+ info->idle_stats.in_use =
+ info->idle_stats.recv_idle =
+ info->idle_stats.xmit_idle = jiffies;
- CY_UNLOCK(info, flags);
+ spin_unlock_irqrestore(&card->card_lock, flags);
- } else {
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
- int retval;
+ } else {
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl;
- base_addr = cy_card[card].base_addr;
+ base_addr = card->base_addr;
- firm_id = base_addr + ID_ADDRESS;
- if (!ISZLOADED(cy_card[card])){
- return -ENODEV;
- }
+ firm_id = base_addr + ID_ADDRESS;
+ if (!cyz_is_loaded(card))
+ return -ENODEV;
- zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
+ zfw_ctrl = card->base_addr +
+ (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ board_ctrl = &zfw_ctrl->board_ctrl;
+ ch_ctrl = zfw_ctrl->ch_ctrl;
#ifdef CY_DEBUG_OPEN
- printk("cyc startup Z card %d, channel %d, base_addr %lx\n",
- card, channel, (long)base_addr);/**/
+ printk(KERN_DEBUG "cyc startup Z card %d, channel %d, "
+ "base_addr %p\n", card, channel, base_addr);
#endif
+ spin_lock_irqsave(&card->card_lock, flags);
- CY_LOCK(info, flags);
-
- cy_writel(&ch_ctrl[channel].op_mode, C_CH_ENABLE);
+ cy_writel(&ch_ctrl[channel].op_mode, C_CH_ENABLE);
#ifdef Z_WAKE
#ifdef CONFIG_CYZ_INTR
- cy_writel(&ch_ctrl[channel].intr_enable,
- C_IN_TXBEMPTY|C_IN_TXLOWWM|C_IN_RXHIWM|C_IN_RXNNDT|
- C_IN_IOCTLW|
- C_IN_MDCD);
+ cy_writel(&ch_ctrl[channel].intr_enable,
+ C_IN_TXBEMPTY | C_IN_TXLOWWM | C_IN_RXHIWM |
+ C_IN_RXNNDT | C_IN_IOCTLW | C_IN_MDCD);
#else
- cy_writel(&ch_ctrl[channel].intr_enable,
- C_IN_IOCTLW|
- C_IN_MDCD);
-#endif /* CONFIG_CYZ_INTR */
+ cy_writel(&ch_ctrl[channel].intr_enable,
+ C_IN_IOCTLW | C_IN_MDCD);
+#endif /* CONFIG_CYZ_INTR */
#else
#ifdef CONFIG_CYZ_INTR
- cy_writel(&ch_ctrl[channel].intr_enable,
- C_IN_TXBEMPTY|C_IN_TXLOWWM|C_IN_RXHIWM|C_IN_RXNNDT|
- C_IN_MDCD);
+ cy_writel(&ch_ctrl[channel].intr_enable,
+ C_IN_TXBEMPTY | C_IN_TXLOWWM | C_IN_RXHIWM |
+ C_IN_RXNNDT | C_IN_MDCD);
#else
- cy_writel(&ch_ctrl[channel].intr_enable,
- C_IN_MDCD);
-#endif /* CONFIG_CYZ_INTR */
-#endif /* Z_WAKE */
-
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L);
- if (retval != 0){
- printk("cyc:startup(1) retval on ttyC%d was %x\n",
- info->line, retval);
- }
+ cy_writel(&ch_ctrl[channel].intr_enable, C_IN_MDCD);
+#endif /* CONFIG_CYZ_INTR */
+#endif /* Z_WAKE */
+
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTL, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:startup(1) retval on ttyC%d was "
+ "%x\n", info->line, retval);
+ }
- /* Flush RX buffers before raising DTR and RTS */
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_RX, 0L);
- if (retval != 0){
- printk("cyc:startup(2) retval on ttyC%d was %x\n",
- info->line, retval);
- }
+ /* Flush RX buffers before raising DTR and RTS */
+ retval = cyz_issue_cmd(card, channel, C_CM_FLUSH_RX, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:startup(2) retval on ttyC%d was "
+ "%x\n", info->line, retval);
+ }
- /* set timeout !!! */
- /* set RTS and DTR !!! */
- cy_writel(&ch_ctrl[channel].rs_control,
- cy_readl(&ch_ctrl[channel].rs_control) | C_RS_RTS | C_RS_DTR) ;
- retval = cyz_issue_cmd(&cy_card[info->card],
- channel, C_CM_IOCTLM, 0L);
- if (retval != 0){
- printk("cyc:startup(3) retval on ttyC%d was %x\n",
- info->line, retval);
- }
+ /* set timeout !!! */
+ /* set RTS and DTR !!! */
+ cy_writel(&ch_ctrl[channel].rs_control,
+ readl(&ch_ctrl[channel].rs_control) | C_RS_RTS |
+ C_RS_DTR);
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:startup(3) retval on ttyC%d was "
+ "%x\n", info->line, retval);
+ }
#ifdef CY_DEBUG_DTR
- printk("cyc:startup raising Z DTR\n");
+ printk(KERN_DEBUG "cyc:startup raising Z DTR\n");
#endif
- /* enable send, recv, modem !!! */
+ /* enable send, recv, modem !!! */
- info->flags |= ASYNC_INITIALIZED;
- if (info->tty){
- clear_bit(TTY_IO_ERROR, &info->tty->flags);
- }
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
- info->breakon = info->breakoff = 0;
- memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
- info->idle_stats.in_use =
- info->idle_stats.recv_idle =
- info->idle_stats.xmit_idle = jiffies;
+ info->port.flags |= ASYNC_INITIALIZED;
+ if (info->port.tty)
+ clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
+ info->breakon = info->breakoff = 0;
+ memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
+ info->idle_stats.in_use =
+ info->idle_stats.recv_idle =
+ info->idle_stats.xmit_idle = jiffies;
- CY_UNLOCK(info, flags);
- }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
#ifdef CY_DEBUG_OPEN
- printk(" cyc startup done\n");
+ printk(KERN_DEBUG "cyc startup done\n");
#endif
return 0;
errout:
- CY_UNLOCK(info, flags);
+ spin_unlock_irqrestore(&card->card_lock, flags);
return retval;
-} /* startup */
-
+} /* startup */
-static void
-start_xmit( struct cyclades_port *info )
+static void start_xmit(struct cyclades_port *info)
{
- unsigned long flags;
- void __iomem *base_addr;
- int card,chip,channel,index;
-
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), channel);
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) | CyTxRdy);
- CY_UNLOCK(info, flags);
- } else {
+ struct cyclades_card *card;
+ unsigned long flags;
+ void __iomem *base_addr;
+ int chip, channel, index;
+
+ card = info->card;
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index), channel);
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) | CyTxRdy);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ } else {
#ifdef CONFIG_CYZ_INTR
- int retval;
-
- CY_LOCK(info, flags);
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK, 0L);
- if (retval != 0){
- printk("cyc:start_xmit retval on ttyC%d was %x\n",
- info->line, retval);
- }
- CY_UNLOCK(info, flags);
-#else /* CONFIG_CYZ_INTR */
- /* Don't have to do anything at this time */
-#endif /* CONFIG_CYZ_INTR */
- }
-} /* start_xmit */
+ int retval;
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ retval = cyz_issue_cmd(card, channel, C_CM_INTBACK, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:start_xmit retval on ttyC%d was "
+ "%x\n", info->line, retval);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+#else /* CONFIG_CYZ_INTR */
+ /* Don't have to do anything at this time */
+#endif /* CONFIG_CYZ_INTR */
+ }
+} /* start_xmit */
/*
* This routine shuts down a serial port; interrupts are disabled,
* and DTR is dropped if the hangup on close termio flag is on.
*/
-static void
-shutdown(struct cyclades_port * info)
+static void shutdown(struct cyclades_port *info)
{
- unsigned long flags;
- void __iomem *base_addr;
- int card,chip,channel,index;
-
- if (!(info->flags & ASYNC_INITIALIZED)){
- return;
- }
-
- card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
+ struct cyclades_card *card;
+ unsigned long flags;
+ void __iomem *base_addr;
+ int chip, channel, index;
+
+ if (!(info->port.flags & ASYNC_INITIALIZED))
+ return;
+
+ card = info->card;
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
#ifdef CY_DEBUG_OPEN
- printk("cyc shutdown Y card %d, chip %d, channel %d, base_addr %lx\n",
- card, chip, channel, (long)base_addr);
+ printk(KERN_DEBUG "cyc shutdown Y card %d, chip %d, "
+ "channel %d, base_addr %p\n",
+ card, chip, channel, base_addr);
#endif
- CY_LOCK(info, flags);
-
- /* Clear delta_msr_wait queue to avoid mem leaks. */
- wake_up_interruptible(&info->delta_msr_wait);
-
- if (info->xmit_buf){
- unsigned char * temp;
- temp = info->xmit_buf;
- info->xmit_buf = NULL;
- free_page((unsigned long) temp);
- }
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) {
- cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS);
- cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR);
+ spin_lock_irqsave(&card->card_lock, flags);
+
+ /* Clear delta_msr_wait queue to avoid mem leaks. */
+ wake_up_interruptible(&info->delta_msr_wait);
+
+ if (info->port.xmit_buf) {
+ unsigned char *temp;
+ temp = info->port.xmit_buf;
+ info->port.xmit_buf = NULL;
+ free_page((unsigned long)temp);
+ }
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) {
+ cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS);
+ cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR);
#ifdef CY_DEBUG_DTR
- printk("cyc shutdown dropping DTR\n");
- printk(" status: 0x%x, 0x%x\n",
- cy_readb(base_addr+(CyMSVR1<<index)),
- cy_readb(base_addr+(CyMSVR2<<index)));
+ printk(KERN_DEBUG "cyc shutdown dropping DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
#endif
- }
- cyy_issue_cmd(base_addr,CyCHAN_CTL|CyDIS_RCVR,index);
- /* it may be appropriate to clear _XMIT at
- some later date (after testing)!!! */
-
- if (info->tty){
- set_bit(TTY_IO_ERROR, &info->tty->flags);
- }
- info->flags &= ~ASYNC_INITIALIZED;
- CY_UNLOCK(info, flags);
- } else {
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
- int retval;
-
- base_addr = cy_card[card].base_addr;
+ }
+ cyy_issue_cmd(base_addr, CyCHAN_CTL | CyDIS_RCVR, index);
+ /* it may be appropriate to clear _XMIT at
+ some later date (after testing)!!! */
+
+ if (info->port.tty)
+ set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ info->port.flags &= ~ASYNC_INITIALIZED;
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ } else {
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl;
+ int retval;
+
+ base_addr = card->base_addr;
#ifdef CY_DEBUG_OPEN
- printk("cyc shutdown Z card %d, channel %d, base_addr %lx\n",
- card, channel, (long)base_addr);
+ printk(KERN_DEBUG "cyc shutdown Z card %d, channel %d, "
+ "base_addr %p\n", card, channel, base_addr);
#endif
- firm_id = base_addr + ID_ADDRESS;
- if (!ISZLOADED(cy_card[card])) {
- return;
- }
+ firm_id = base_addr + ID_ADDRESS;
+ if (!cyz_is_loaded(card))
+ return;
- zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
-
- CY_LOCK(info, flags);
-
- if (info->xmit_buf){
- unsigned char * temp;
- temp = info->xmit_buf;
- info->xmit_buf = NULL;
- free_page((unsigned long) temp);
- }
-
- if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) {
- cy_writel(&ch_ctrl[channel].rs_control,
- (uclong)(cy_readl(&ch_ctrl[channel].rs_control) &
- ~(C_RS_RTS | C_RS_DTR)));
- retval = cyz_issue_cmd(&cy_card[info->card],
- channel, C_CM_IOCTLM, 0L);
- if (retval != 0){
- printk("cyc:shutdown retval on ttyC%d was %x\n",
- info->line, retval);
+ zfw_ctrl = card->base_addr +
+ (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ board_ctrl = &zfw_ctrl->board_ctrl;
+ ch_ctrl = zfw_ctrl->ch_ctrl;
+
+ spin_lock_irqsave(&card->card_lock, flags);
+
+ if (info->port.xmit_buf) {
+ unsigned char *temp;
+ temp = info->port.xmit_buf;
+ info->port.xmit_buf = NULL;
+ free_page((unsigned long)temp);
}
+
+ if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) {
+ cy_writel(&ch_ctrl[channel].rs_control,
+ (__u32)(readl(&ch_ctrl[channel].rs_control) &
+ ~(C_RS_RTS | C_RS_DTR)));
+ retval = cyz_issue_cmd(info->card, channel,
+ C_CM_IOCTLM, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR"cyc:shutdown retval on ttyC%d "
+ "was %x\n", info->line, retval);
+ }
#ifdef CY_DEBUG_DTR
- printk("cyc:shutdown dropping Z DTR\n");
+ printk(KERN_DEBUG "cyc:shutdown dropping Z DTR\n");
#endif
- }
-
- if (info->tty){
- set_bit(TTY_IO_ERROR, &info->tty->flags);
- }
- info->flags &= ~ASYNC_INITIALIZED;
+ }
- CY_UNLOCK(info, flags);
- }
+ if (info->port.tty)
+ set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ info->port.flags &= ~ASYNC_INITIALIZED;
+
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
#ifdef CY_DEBUG_OPEN
- printk(" cyc shutdown done\n");
+ printk(KERN_DEBUG "cyc shutdown done\n");
#endif
- return;
-} /* shutdown */
-
+} /* shutdown */
/*
* ------------------------------------------------------------
*/
static int
-block_til_ready(struct tty_struct *tty, struct file * filp,
- struct cyclades_port *info)
+block_til_ready(struct tty_struct *tty, struct file *filp,
+ struct cyclades_port *info)
{
- DECLARE_WAITQUEUE(wait, current);
- struct cyclades_card *cinfo;
- unsigned long flags;
- int chip, channel,index;
- int retval;
- void __iomem *base_addr;
-
- cinfo = &cy_card[info->card];
- channel = info->line - cinfo->first_line;
-
- /*
- * If the device is in the middle of being closed, then block
- * until it's done, and then try again.
- */
- if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) {
- if (info->flags & ASYNC_CLOSING) {
- interruptible_sleep_on(&info->close_wait);
+ DECLARE_WAITQUEUE(wait, current);
+ struct cyclades_card *cinfo;
+ unsigned long flags;
+ int chip, channel, index;
+ int retval;
+ void __iomem *base_addr;
+
+ cinfo = info->card;
+ channel = info->line - cinfo->first_line;
+
+ /*
+ * If the device is in the middle of being closed, then block
+ * until it's done, and then try again.
+ */
+ if (tty_hung_up_p(filp) || (info->port.flags & ASYNC_CLOSING)) {
+ wait_event_interruptible(info->port.close_wait,
+ !(info->port.flags & ASYNC_CLOSING));
+ return (info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN: -ERESTARTSYS;
+ }
+
+ /*
+ * If non-blocking mode is set, then make the check up front
+ * and then exit.
+ */
+ if ((filp->f_flags & O_NONBLOCK) ||
+ (tty->flags & (1 << TTY_IO_ERROR))) {
+ info->port.flags |= ASYNC_NORMAL_ACTIVE;
+ return 0;
}
- return ((info->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
- }
-
- /*
- * If non-blocking mode is set, then make the check up front
- * and then exit.
- */
- if ((filp->f_flags & O_NONBLOCK) ||
- (tty->flags & (1 << TTY_IO_ERROR))) {
- info->flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
- }
-
- /*
- * Block waiting for the carrier detect and the line to become
- * free (i.e., not in use by the callout). While we are in
- * this loop, info->count is dropped by one, so that
- * cy_close() knows when to free things. We restore it upon
- * exit, either normal or abnormal.
- */
- retval = 0;
- add_wait_queue(&info->open_wait, &wait);
+
+ /*
+ * Block waiting for the carrier detect and the line to become
+ * free (i.e., not in use by the callout). While we are in
+ * this loop, info->port.count is dropped by one, so that
+ * cy_close() knows when to free things. We restore it upon
+ * exit, either normal or abnormal.
+ */
+ retval = 0;
+ add_wait_queue(&info->port.open_wait, &wait);
#ifdef CY_DEBUG_OPEN
- printk("cyc block_til_ready before block: ttyC%d, count = %d\n",
- info->line, info->count);/**/
+ printk(KERN_DEBUG "cyc block_til_ready before block: ttyC%d, "
+ "count = %d\n", info->line, info->port.count);
#endif
- CY_LOCK(info, flags);
- if (!tty_hung_up_p(filp))
- info->count--;
- CY_UNLOCK(info, flags);
+ spin_lock_irqsave(&cinfo->card_lock, flags);
+ if (!tty_hung_up_p(filp))
+ info->port.count--;
+ spin_unlock_irqrestore(&cinfo->card_lock, flags);
#ifdef CY_DEBUG_COUNT
- printk("cyc block_til_ready: (%d): decrementing count to %d\n",
- current->pid, info->count);
+ printk(KERN_DEBUG "cyc block_til_ready: (%d): decrementing count to "
+ "%d\n", current->pid, info->port.count);
#endif
- info->blocked_open++;
-
- if (!IS_CYC_Z(*cinfo)) {
- chip = channel>>2;
- channel &= 0x03;
- index = cinfo->bus_index;
- base_addr = cinfo->base_addr + (cy_chip_offset[chip]<<index);
-
- while (1) {
- CY_LOCK(info, flags);
- if ((tty->termios->c_cflag & CBAUD)){
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- cy_writeb(base_addr+(CyMSVR1<<index), CyRTS);
- cy_writeb(base_addr+(CyMSVR2<<index), CyDTR);
+ info->port.blocked_open++;
+
+ if (!cy_is_Z(cinfo)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = cinfo->bus_index;
+ base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index);
+
+ while (1) {
+ spin_lock_irqsave(&cinfo->card_lock, flags);
+ if ((tty->termios->c_cflag & CBAUD)) {
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) channel);
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ CyRTS);
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ CyDTR);
#ifdef CY_DEBUG_DTR
- printk("cyc:block_til_ready raising DTR\n");
- printk(" status: 0x%x, 0x%x\n",
- cy_readb(base_addr+(CyMSVR1<<index)),
- cy_readb(base_addr+(CyMSVR2<<index)));
+ printk(KERN_DEBUG "cyc:block_til_ready raising "
+ "DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
#endif
- }
- CY_UNLOCK(info, flags);
+ }
+ spin_unlock_irqrestore(&cinfo->card_lock, flags);
+
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (tty_hung_up_p(filp) ||
+ !(info->port.flags & ASYNC_INITIALIZED)) {
+ retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ?
+ -EAGAIN : -ERESTARTSYS);
+ break;
+ }
- set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp)
- || !(info->flags & ASYNC_INITIALIZED) ){
- retval = ((info->flags & ASYNC_HUP_NOTIFY) ?
- -EAGAIN : -ERESTARTSYS);
- break;
- }
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- if (!(info->flags & ASYNC_CLOSING)
- && (C_CLOCAL(tty)
- || (cy_readb(base_addr+(CyMSVR1<<index)) & CyDCD))) {
- CY_UNLOCK(info, flags);
- break;
- }
- CY_UNLOCK(info, flags);
+ spin_lock_irqsave(&cinfo->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) channel);
+ if (!(info->port.flags & ASYNC_CLOSING) && (C_CLOCAL(tty) ||
+ (readb(base_addr +
+ (CyMSVR1 << index)) & CyDCD))) {
+ spin_unlock_irqrestore(&cinfo->card_lock, flags);
+ break;
+ }
+ spin_unlock_irqrestore(&cinfo->card_lock, flags);
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
+ if (signal_pending(current)) {
+ retval = -ERESTARTSYS;
+ break;
+ }
#ifdef CY_DEBUG_OPEN
- printk("cyc block_til_ready blocking: ttyC%d, count = %d\n",
- info->line, info->count);/**/
+ printk(KERN_DEBUG "cyc block_til_ready blocking: "
+ "ttyC%d, count = %d\n",
+ info->line, info->port.count);
#endif
- schedule();
- }
- } else {
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
- int retval;
-
- base_addr = cinfo->base_addr;
- firm_id = base_addr + ID_ADDRESS;
- if (!ISZLOADED(*cinfo)){
- current->state = TASK_RUNNING;
- remove_wait_queue(&info->open_wait, &wait);
- return -EINVAL;
- }
-
- zfw_ctrl = base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
-
- while (1) {
- if ((tty->termios->c_cflag & CBAUD)){
- cy_writel(&ch_ctrl[channel].rs_control,
- cy_readl(&ch_ctrl[channel].rs_control) |
- (C_RS_RTS | C_RS_DTR));
- retval = cyz_issue_cmd(&cy_card[info->card],
- channel, C_CM_IOCTLM, 0L);
- if (retval != 0){
- printk("cyc:block_til_ready retval on ttyC%d was %x\n",
- info->line, retval);
+ schedule();
+ }
+ } else {
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl;
+
+ base_addr = cinfo->base_addr;
+ firm_id = base_addr + ID_ADDRESS;
+ if (!cyz_is_loaded(cinfo)) {
+ __set_current_state(TASK_RUNNING);
+ remove_wait_queue(&info->port.open_wait, &wait);
+ return -EINVAL;
}
+
+ zfw_ctrl = base_addr + (readl(&firm_id->zfwctrl_addr)
+ & 0xfffff);
+ board_ctrl = &zfw_ctrl->board_ctrl;
+ ch_ctrl = zfw_ctrl->ch_ctrl;
+
+ while (1) {
+ if ((tty->termios->c_cflag & CBAUD)) {
+ cy_writel(&ch_ctrl[channel].rs_control,
+ readl(&ch_ctrl[channel].rs_control) |
+ C_RS_RTS | C_RS_DTR);
+ retval = cyz_issue_cmd(cinfo,
+ channel, C_CM_IOCTLM, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:block_til_ready "
+ "retval on ttyC%d was %x\n",
+ info->line, retval);
+ }
#ifdef CY_DEBUG_DTR
- printk("cyc:block_til_ready raising Z DTR\n");
+ printk(KERN_DEBUG "cyc:block_til_ready raising "
+ "Z DTR\n");
#endif
- }
+ }
- set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp)
- || !(info->flags & ASYNC_INITIALIZED) ){
- retval = ((info->flags & ASYNC_HUP_NOTIFY) ?
- -EAGAIN : -ERESTARTSYS);
- break;
- }
- if (!(info->flags & ASYNC_CLOSING)
- && (C_CLOCAL(tty)
- || (cy_readl(&ch_ctrl[channel].rs_status) & C_RS_DCD))) {
- break;
- }
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (tty_hung_up_p(filp) ||
+ !(info->port.flags & ASYNC_INITIALIZED)) {
+ retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ?
+ -EAGAIN : -ERESTARTSYS);
+ break;
+ }
+ if (!(info->port.flags & ASYNC_CLOSING) && (C_CLOCAL(tty) ||
+ (readl(&ch_ctrl[channel].rs_status) &
+ C_RS_DCD))) {
+ break;
+ }
+ if (signal_pending(current)) {
+ retval = -ERESTARTSYS;
+ break;
+ }
#ifdef CY_DEBUG_OPEN
- printk("cyc block_til_ready blocking: ttyC%d, count = %d\n",
- info->line, info->count);/**/
+ printk(KERN_DEBUG "cyc block_til_ready blocking: "
+ "ttyC%d, count = %d\n",
+ info->line, info->port.count);
#endif
- schedule();
+ schedule();
+ }
}
- }
- current->state = TASK_RUNNING;
- remove_wait_queue(&info->open_wait, &wait);
- if (!tty_hung_up_p(filp)){
- info->count++;
+ __set_current_state(TASK_RUNNING);
+ remove_wait_queue(&info->port.open_wait, &wait);
+ if (!tty_hung_up_p(filp)) {
+ info->port.count++;
#ifdef CY_DEBUG_COUNT
- printk("cyc:block_til_ready (%d): incrementing count to %d\n",
- current->pid, info->count);
+ printk(KERN_DEBUG "cyc:block_til_ready (%d): incrementing "
+ "count to %d\n", current->pid, info->port.count);
#endif
- }
- info->blocked_open--;
+ }
+ info->port.blocked_open--;
#ifdef CY_DEBUG_OPEN
- printk("cyc:block_til_ready after blocking: ttyC%d, count = %d\n",
- info->line, info->count);/**/
+ printk(KERN_DEBUG "cyc:block_til_ready after blocking: ttyC%d, "
+ "count = %d\n", info->line, info->port.count);
#endif
- if (retval)
- return retval;
- info->flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
-} /* block_til_ready */
-
+ if (retval)
+ return retval;
+ info->port.flags |= ASYNC_NORMAL_ACTIVE;
+ return 0;
+} /* block_til_ready */
/*
* This routine is called whenever a serial port is opened. It
* performs the serial-specific initialization for the tty structure.
*/
-static int
-cy_open(struct tty_struct *tty, struct file * filp)
+static int cy_open(struct tty_struct *tty, struct file *filp)
{
- struct cyclades_port *info;
- int retval, line;
- unsigned long page;
-
- line = tty->index;
- if ((line < 0) || (NR_PORTS <= line)){
- return -ENODEV;
- }
- info = &cy_port[line];
- if (info->line < 0){
- return -ENODEV;
- }
-
- /* If the card's firmware hasn't been loaded,
- treat it as absent from the system. This
- will make the user pay attention.
- */
- if (IS_CYC_Z(cy_card[info->card])) {
- struct cyclades_card *cinfo = &cy_card[info->card];
- struct FIRM_ID __iomem *firm_id = cinfo->base_addr + ID_ADDRESS;
-
- if (!ISZLOADED(*cinfo)) {
- if (((ZE_V1 ==cy_readl(&((struct RUNTIME_9060 __iomem *)
- (cinfo->ctl_addr))->mail_box_0)) &&
- Z_FPGA_CHECK (*cinfo)) &&
- (ZFIRM_HLT == cy_readl (&firm_id->signature)))
- {
- printk ("cyc:Cyclades-Z Error: you need an external power supply for this number of ports.\n\rFirmware halted.\r\n");
- } else {
- printk("cyc:Cyclades-Z firmware not yet loaded\n");
- }
- return -ENODEV;
- }
-#ifdef CONFIG_CYZ_INTR
- else {
- /* In case this Z board is operating in interrupt mode, its
- interrupts should be enabled as soon as the first open happens
- to one of its ports. */
- if (!cinfo->intr_enabled) {
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
+ struct cyclades_port *info;
+ unsigned int i, line;
+ int retval;
- zfw_ctrl = cinfo->base_addr + (cy_readl (&firm_id->zfwctrl_addr) & 0xfffff);
+ line = tty->index;
+ if (tty->index < 0 || NR_PORTS <= line)
+ return -ENODEV;
- board_ctrl = &zfw_ctrl->board_ctrl;
+ for (i = 0; i < NR_CARDS; i++)
+ if (line < cy_card[i].first_line + cy_card[i].nports &&
+ line >= cy_card[i].first_line)
+ break;
+ if (i >= NR_CARDS)
+ return -ENODEV;
+ info = &cy_card[i].ports[line - cy_card[i].first_line];
+ if (info->line < 0)
+ return -ENODEV;
- /* Enable interrupts on the PLX chip */
- cy_writew(cinfo->ctl_addr+0x68,
- cy_readw(cinfo->ctl_addr+0x68)|0x0900);
- /* Enable interrupts on the FW */
- retval = cyz_issue_cmd(cinfo,
- 0, C_CM_IRQ_ENBL, 0L);
- if (retval != 0){
- printk("cyc:IRQ enable retval was %x\n", retval);
+ /* If the card's firmware hasn't been loaded,
+ treat it as absent from the system. This
+ will make the user pay attention.
+ */
+ if (cy_is_Z(info->card)) {
+ struct cyclades_card *cinfo = info->card;
+ struct FIRM_ID __iomem *firm_id = cinfo->base_addr + ID_ADDRESS;
+
+ if (!cyz_is_loaded(cinfo)) {
+ if (cinfo->hw_ver == ZE_V1 && cyz_fpga_loaded(cinfo) &&
+ readl(&firm_id->signature) ==
+ ZFIRM_HLT) {
+ printk(KERN_ERR "cyc:Cyclades-Z Error: you "
+ "need an external power supply for "
+ "this number of ports.\nFirmware "
+ "halted.\n");
+ } else {
+ printk(KERN_ERR "cyc:Cyclades-Z firmware not "
+ "yet loaded\n");
+ }
+ return -ENODEV;
+ }
+#ifdef CONFIG_CYZ_INTR
+ else {
+ /* In case this Z board is operating in interrupt mode, its
+ interrupts should be enabled as soon as the first open
+ happens to one of its ports. */
+ if (!cinfo->intr_enabled) {
+ u16 intr;
+
+ /* Enable interrupts on the PLX chip */
+ intr = readw(&cinfo->ctl_addr.p9060->
+ intr_ctrl_stat) | 0x0900;
+ cy_writew(&cinfo->ctl_addr.p9060->
+ intr_ctrl_stat, intr);
+ /* Enable interrupts on the FW */
+ retval = cyz_issue_cmd(cinfo, 0,
+ C_CM_IRQ_ENBL, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:IRQ enable retval "
+ "was %x\n", retval);
+ }
+ cinfo->intr_enabled = 1;
+ }
}
- cinfo->nports = (int) cy_readl (&board_ctrl->n_channel);
- cinfo->intr_enabled = 1;
- }
+#endif /* CONFIG_CYZ_INTR */
+ /* Make sure this Z port really exists in hardware */
+ if (info->line > (cinfo->first_line + cinfo->nports - 1))
+ return -ENODEV;
}
-#endif /* CONFIG_CYZ_INTR */
- /* Make sure this Z port really exists in hardware */
- if (info->line > (cinfo->first_line + cinfo->nports - 1))
- return -ENODEV;
- }
#ifdef CY_DEBUG_OTHER
- printk("cyc:cy_open ttyC%d\n", info->line); /* */
+ printk(KERN_DEBUG "cyc:cy_open ttyC%d\n", info->line);
#endif
- tty->driver_data = info;
- info->tty = tty;
- if (serial_paranoia_check(info, tty->name, "cy_open")){
- return -ENODEV;
- }
+ tty->driver_data = info;
+ info->port.tty = tty;
+ if (serial_paranoia_check(info, tty->name, "cy_open"))
+ return -ENODEV;
+
#ifdef CY_DEBUG_OPEN
- printk("cyc:cy_open ttyC%d, count = %d\n",
- info->line, info->count);/**/
+ printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line,
+ info->port.count);
#endif
- info->count++;
+ info->port.count++;
#ifdef CY_DEBUG_COUNT
- printk("cyc:cy_open (%d): incrementing count to %d\n",
- current->pid, info->count);
-#endif
- if (!tmp_buf) {
- page = get_zeroed_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
- if (tmp_buf)
- free_page(page);
- else
- tmp_buf = (unsigned char *) page;
- }
-
- /*
- * If the port is the middle of closing, bail out now
- */
- if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) {
- if (info->flags & ASYNC_CLOSING)
- interruptible_sleep_on(&info->close_wait);
- return ((info->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS);
- }
-
- /*
- * Start up serial port
- */
- retval = startup(info);
- if (retval){
- return retval;
- }
-
- retval = block_til_ready(tty, filp, info);
- if (retval) {
-#ifdef CY_DEBUG_OPEN
- printk("cyc:cy_open returning after block_til_ready with %d\n",
- retval);
+ printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n",
+ current->pid, info->port.count);
#endif
- return retval;
- }
- info->throttle = 0;
+ /*
+ * If the port is the middle of closing, bail out now
+ */
+ if (tty_hung_up_p(filp) || (info->port.flags & ASYNC_CLOSING)) {
+ wait_event_interruptible(info->port.close_wait,
+ !(info->port.flags & ASYNC_CLOSING));
+ return (info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN: -ERESTARTSYS;
+ }
+
+ /*
+ * Start up serial port
+ */
+ retval = startup(info);
+ if (retval)
+ return retval;
+ retval = block_til_ready(tty, filp, info);
+ if (retval) {
#ifdef CY_DEBUG_OPEN
- printk(" cyc:cy_open done\n");/**/
+ printk(KERN_DEBUG "cyc:cy_open returning after block_til_ready "
+ "with %d\n", retval);
#endif
+ return retval;
+ }
- return 0;
-} /* cy_open */
+ info->throttle = 0;
+#ifdef CY_DEBUG_OPEN
+ printk(KERN_DEBUG "cyc:cy_open done\n");
+#endif
+ return 0;
+} /* cy_open */
/*
* cy_wait_until_sent() --- wait until the transmitter is empty
*/
-static void
-cy_wait_until_sent(struct tty_struct *tty, int timeout)
+static void cy_wait_until_sent(struct tty_struct *tty, int timeout)
{
- struct cyclades_port * info = (struct cyclades_port *)tty->driver_data;
- void __iomem *base_addr;
- int card,chip,channel,index;
- unsigned long orig_jiffies;
- int char_time;
-
- if (serial_paranoia_check(info, tty->name, "cy_wait_until_sent"))
- return;
-
- if (info->xmit_fifo_size == 0)
- return; /* Just in case.... */
-
-
- orig_jiffies = jiffies;
- /*
- * Set the check interval to be 1/5 of the estimated time to
- * send a single character, and make it at least 1. The check
- * interval should also be less than the timeout.
- *
- * Note: we have to use pretty tight timings here to satisfy
- * the NIST-PCTS.
- */
- char_time = (info->timeout - HZ/50) / info->xmit_fifo_size;
- char_time = char_time / 5;
- if (char_time <= 0)
- char_time = 1;
- if (timeout < 0)
- timeout = 0;
- if (timeout)
- char_time = min(char_time, timeout);
- /*
- * If the transmitter hasn't cleared in twice the approximate
- * amount of time to send the entire FIFO, it probably won't
- * ever clear. This assumes the UART isn't doing flow
- * control, which is currently the case. Hence, if it ever
- * takes longer than info->timeout, this is probably due to a
- * UART bug of some kind. So, we clamp the timeout parameter at
- * 2*info->timeout.
- */
- if (!timeout || timeout > 2*info->timeout)
- timeout = 2*info->timeout;
+ struct cyclades_card *card;
+ struct cyclades_port *info = tty->driver_data;
+ void __iomem *base_addr;
+ int chip, channel, index;
+ unsigned long orig_jiffies;
+ int char_time;
+
+ if (serial_paranoia_check(info, tty->name, "cy_wait_until_sent"))
+ return;
+
+ if (info->xmit_fifo_size == 0)
+ return; /* Just in case.... */
+
+ orig_jiffies = jiffies;
+ lock_kernel();
+ /*
+ * Set the check interval to be 1/5 of the estimated time to
+ * send a single character, and make it at least 1. The check
+ * interval should also be less than the timeout.
+ *
+ * Note: we have to use pretty tight timings here to satisfy
+ * the NIST-PCTS.
+ */
+ char_time = (info->timeout - HZ / 50) / info->xmit_fifo_size;
+ char_time = char_time / 5;
+ if (char_time <= 0)
+ char_time = 1;
+ if (timeout < 0)
+ timeout = 0;
+ if (timeout)
+ char_time = min(char_time, timeout);
+ /*
+ * If the transmitter hasn't cleared in twice the approximate
+ * amount of time to send the entire FIFO, it probably won't
+ * ever clear. This assumes the UART isn't doing flow
+ * control, which is currently the case. Hence, if it ever
+ * takes longer than info->timeout, this is probably due to a
+ * UART bug of some kind. So, we clamp the timeout parameter at
+ * 2*info->timeout.
+ */
+ if (!timeout || timeout > 2 * info->timeout)
+ timeout = 2 * info->timeout;
#ifdef CY_DEBUG_WAIT_UNTIL_SENT
- printk("In cy_wait_until_sent(%d) check=%lu...", timeout, char_time);
- printk("jiff=%lu...", jiffies);
+ printk(KERN_DEBUG "In cy_wait_until_sent(%d) check=%d, jiff=%lu...",
+ timeout, char_time, jiffies);
#endif
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
- while (cy_readb(base_addr+(CySRER<<index)) & CyTxRdy) {
+ card = info->card;
+ channel = (info->line) - (card->first_line);
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+ while (readb(base_addr + (CySRER << index)) & CyTxRdy) {
#ifdef CY_DEBUG_WAIT_UNTIL_SENT
- printk("Not clean (jiff=%lu)...", jiffies);
+ printk(KERN_DEBUG "Not clean (jiff=%lu)...", jiffies);
#endif
- if (msleep_interruptible(jiffies_to_msecs(char_time)))
- break;
- if (timeout && time_after(jiffies, orig_jiffies + timeout))
- break;
+ if (msleep_interruptible(jiffies_to_msecs(char_time)))
+ break;
+ if (timeout && time_after(jiffies, orig_jiffies +
+ timeout))
+ break;
+ }
}
- } else {
- // Nothing to do!
- }
- /* Run one more char cycle */
- msleep_interruptible(jiffies_to_msecs(char_time * 5));
+ /* Run one more char cycle */
+ msleep_interruptible(jiffies_to_msecs(char_time * 5));
+ unlock_kernel();
#ifdef CY_DEBUG_WAIT_UNTIL_SENT
- printk("Clean (jiff=%lu)...done\n", jiffies);
+ printk(KERN_DEBUG "Clean (jiff=%lu)...done\n", jiffies);
#endif
}
+static void cy_flush_buffer(struct tty_struct *tty)
+{
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
+ int channel, retval;
+ unsigned long flags;
+
+#ifdef CY_DEBUG_IO
+ printk(KERN_DEBUG "cyc:cy_flush_buffer ttyC%d\n", info->line);
+#endif
+
+ if (serial_paranoia_check(info, tty->name, "cy_flush_buffer"))
+ return;
+
+ card = info->card;
+ channel = info->line - card->first_line;
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
+ spin_unlock_irqrestore(&card->card_lock, flags);
+
+ if (cy_is_Z(card)) { /* If it is a Z card, flush the on-board
+ buffers as well */
+ spin_lock_irqsave(&card->card_lock, flags);
+ retval = cyz_issue_cmd(card, channel, C_CM_FLUSH_TX, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc: flush_buffer retval on ttyC%d "
+ "was %x\n", info->line, retval);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ tty_wakeup(tty);
+} /* cy_flush_buffer */
+
+
/*
* This routine is called when a particular tty device is closed.
*/
-static void
-cy_close(struct tty_struct *tty, struct file *filp)
+static void cy_close(struct tty_struct *tty, struct file *filp)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- unsigned long flags;
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
+ unsigned long flags;
#ifdef CY_DEBUG_OTHER
- printk("cyc:cy_close ttyC%d\n", info->line);
+ printk(KERN_DEBUG "cyc:cy_close ttyC%d\n", info->line);
#endif
- if (!info || serial_paranoia_check(info, tty->name, "cy_close")){
- return;
- }
-
- CY_LOCK(info, flags);
- /* If the TTY is being hung up, nothing to do */
- if (tty_hung_up_p(filp)) {
- CY_UNLOCK(info, flags);
- return;
- }
-
+ if (!info || serial_paranoia_check(info, tty->name, "cy_close"))
+ return;
+
+ card = info->card;
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ /* If the TTY is being hung up, nothing to do */
+ if (tty_hung_up_p(filp)) {
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ return;
+ }
#ifdef CY_DEBUG_OPEN
- printk("cyc:cy_close ttyC%d, count = %d\n", info->line, info->count);
+ printk(KERN_DEBUG "cyc:cy_close ttyC%d, count = %d\n", info->line,
+ info->port.count);
#endif
- if ((tty->count == 1) && (info->count != 1)) {
- /*
- * Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. Info->count should always
- * be one in these conditions. If it's greater than
- * one, we've got real problems, since it means the
- * serial port won't be shutdown.
- */
- printk("cyc:cy_close: bad serial port count; tty->count is 1, "
- "info->count is %d\n", info->count);
- info->count = 1;
- }
+ if ((tty->count == 1) && (info->port.count != 1)) {
+ /*
+ * Uh, oh. tty->count is 1, which means that the tty
+ * structure will be freed. Info->count should always
+ * be one in these conditions. If it's greater than
+ * one, we've got real problems, since it means the
+ * serial port won't be shutdown.
+ */
+ printk(KERN_ERR "cyc:cy_close: bad serial port count; "
+ "tty->count is 1, info->port.count is %d\n", info->port.count);
+ info->port.count = 1;
+ }
#ifdef CY_DEBUG_COUNT
- printk("cyc:cy_close at (%d): decrementing count to %d\n",
- current->pid, info->count - 1);
+ printk(KERN_DEBUG "cyc:cy_close at (%d): decrementing count to %d\n",
+ current->pid, info->port.count - 1);
#endif
- if (--info->count < 0) {
+ if (--info->port.count < 0) {
#ifdef CY_DEBUG_COUNT
- printk("cyc:cyc_close setting count to 0\n");
+ printk(KERN_DEBUG "cyc:cyc_close setting count to 0\n");
#endif
- info->count = 0;
- }
- if (info->count) {
- CY_UNLOCK(info, flags);
- return;
- }
- info->flags |= ASYNC_CLOSING;
-
- /*
- * Now we wait for the transmit buffer to clear; and we notify
- * the line discipline to only process XON/XOFF characters.
- */
- tty->closing = 1;
- CY_UNLOCK(info, flags);
- if (info->closing_wait != CY_CLOSING_WAIT_NONE) {
- tty_wait_until_sent(tty, info->closing_wait);
- }
- CY_LOCK(info, flags);
-
- if (!IS_CYC_Z(cy_card[info->card])) {
- int channel = info->line - cy_card[info->card].first_line;
- int index = cy_card[info->card].bus_index;
- void __iomem *base_addr = cy_card[info->card].base_addr + (cy_chip_offset[channel>>2] << index);
- /* Stop accepting input */
- channel &= 0x03;
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) & ~CyRxData);
- if (info->flags & ASYNC_INITIALIZED) {
- /* Waiting for on-board buffers to be empty before closing
- the port */
- CY_UNLOCK(info, flags);
- cy_wait_until_sent(tty, info->timeout);
- CY_LOCK(info, flags);
+ info->port.count = 0;
}
- } else {
+ if (info->port.count) {
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ return;
+ }
+ info->port.flags |= ASYNC_CLOSING;
+
+ /*
+ * Now we wait for the transmit buffer to clear; and we notify
+ * the line discipline to only process XON/XOFF characters.
+ */
+ tty->closing = 1;
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ if (info->port.closing_wait != CY_CLOSING_WAIT_NONE)
+ tty_wait_until_sent(tty, info->port.closing_wait);
+
+ spin_lock_irqsave(&card->card_lock, flags);
+
+ if (!cy_is_Z(card)) {
+ int channel = info->line - card->first_line;
+ int index = card->bus_index;
+ void __iomem *base_addr = card->base_addr +
+ (cy_chip_offset[channel >> 2] << index);
+ /* Stop accepting input */
+ channel &= 0x03;
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) & ~CyRxData);
+ if (info->port.flags & ASYNC_INITIALIZED) {
+ /* Waiting for on-board buffers to be empty before
+ closing the port */
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ cy_wait_until_sent(tty, info->timeout);
+ spin_lock_irqsave(&card->card_lock, flags);
+ }
+ } else {
#ifdef Z_WAKE
- /* Waiting for on-board buffers to be empty before closing the port */
- void __iomem *base_addr = cy_card[info->card].base_addr;
- struct FIRM_ID __iomem *firm_id = base_addr + ID_ADDRESS;
- struct ZFW_CTRL __iomem *zfw_ctrl = base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- struct CH_CTRL __iomem *ch_ctrl = zfw_ctrl->ch_ctrl;
- int channel = info->line - cy_card[info->card].first_line;
- int retval;
+ /* Waiting for on-board buffers to be empty before closing
+ the port */
+ void __iomem *base_addr = card->base_addr;
+ struct FIRM_ID __iomem *firm_id = base_addr + ID_ADDRESS;
+ struct ZFW_CTRL __iomem *zfw_ctrl =
+ base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ struct CH_CTRL __iomem *ch_ctrl = zfw_ctrl->ch_ctrl;
+ int channel = info->line - card->first_line;
+ int retval;
+
+ if (readl(&ch_ctrl[channel].flow_status) != C_FS_TXIDLE) {
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTLW, 0L);
+ if (retval != 0) {
+ printk(KERN_DEBUG "cyc:cy_close retval on "
+ "ttyC%d was %x\n", info->line, retval);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ wait_for_completion_interruptible(&info->shutdown_wait);
+ spin_lock_irqsave(&card->card_lock, flags);
+ }
+#endif
+ }
- if (cy_readl(&ch_ctrl[channel].flow_status) != C_FS_TXIDLE) {
- retval = cyz_issue_cmd(&cy_card[info->card], channel,
- C_CM_IOCTLW, 0L);
- if (retval != 0){
- printk("cyc:cy_close retval on ttyC%d was %x\n",
- info->line, retval);
- }
- CY_UNLOCK(info, flags);
- interruptible_sleep_on(&info->shutdown_wait);
- CY_LOCK(info, flags);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ shutdown(info);
+ cy_flush_buffer(tty);
+ tty_ldisc_flush(tty);
+ spin_lock_irqsave(&card->card_lock, flags);
+
+ tty->closing = 0;
+ info->port.tty = NULL;
+ if (info->port.blocked_open) {
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ if (info->port.close_delay) {
+ msleep_interruptible(jiffies_to_msecs
+ (info->port.close_delay));
+ }
+ wake_up_interruptible(&info->port.open_wait);
+ spin_lock_irqsave(&card->card_lock, flags);
}
-#endif
- }
-
- CY_UNLOCK(info, flags);
- shutdown(info);
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
- tty_ldisc_flush(tty);
- CY_LOCK(info, flags);
-
- tty->closing = 0;
- info->event = 0;
- info->tty = NULL;
- if (info->blocked_open) {
- CY_UNLOCK(info, flags);
- if (info->close_delay) {
- msleep_interruptible(jiffies_to_msecs(info->close_delay));
- }
- wake_up_interruptible(&info->open_wait);
- CY_LOCK(info, flags);
- }
- info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
- wake_up_interruptible(&info->close_wait);
+ info->port.flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
+ wake_up_interruptible(&info->port.close_wait);
#ifdef CY_DEBUG_OTHER
- printk(" cyc:cy_close done\n");
+ printk(KERN_DEBUG "cyc:cy_close done\n");
#endif
- CY_UNLOCK(info, flags);
- return;
-} /* cy_close */
-
+ spin_unlock_irqrestore(&card->card_lock, flags);
+} /* cy_close */
/* This routine gets called when tty_write has put something into
* the write_queue. The characters may come from user space or
* If the port is already active, there is no need to kick it.
*
*/
-static int
-cy_write(struct tty_struct * tty, const unsigned char *buf, int count)
+static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- unsigned long flags;
- int c, ret = 0;
+ struct cyclades_port *info = tty->driver_data;
+ unsigned long flags;
+ int c, ret = 0;
#ifdef CY_DEBUG_IO
- printk("cyc:cy_write ttyC%d\n", info->line); /* */
+ printk(KERN_DEBUG "cyc:cy_write ttyC%d\n", info->line);
#endif
- if (serial_paranoia_check(info, tty->name, "cy_write")){
- return 0;
- }
-
- if (!info->xmit_buf || !tmp_buf)
- return 0;
+ if (serial_paranoia_check(info, tty->name, "cy_write"))
+ return 0;
+
+ if (!info->port.xmit_buf)
+ return 0;
+
+ spin_lock_irqsave(&info->card->card_lock, flags);
+ while (1) {
+ c = min(count, (int)(SERIAL_XMIT_SIZE - info->xmit_cnt - 1));
+ c = min(c, (int)(SERIAL_XMIT_SIZE - info->xmit_head));
- CY_LOCK(info, flags);
- while (1) {
- c = min(count, min((int)(SERIAL_XMIT_SIZE - info->xmit_cnt - 1),
- (int)(SERIAL_XMIT_SIZE - info->xmit_head)));
-
- if (c <= 0)
- break;
-
- memcpy(info->xmit_buf + info->xmit_head, buf, c);
- info->xmit_head = (info->xmit_head + c) & (SERIAL_XMIT_SIZE-1);
- info->xmit_cnt += c;
- buf += c;
- count -= c;
- ret += c;
- }
- CY_UNLOCK(info, flags);
-
- info->idle_stats.xmit_bytes += ret;
- info->idle_stats.xmit_idle = jiffies;
-
- if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped) {
- start_xmit(info);
- }
- return ret;
-} /* cy_write */
+ if (c <= 0)
+ break;
+
+ memcpy(info->port.xmit_buf + info->xmit_head, buf, c);
+ info->xmit_head = (info->xmit_head + c) &
+ (SERIAL_XMIT_SIZE - 1);
+ info->xmit_cnt += c;
+ buf += c;
+ count -= c;
+ ret += c;
+ }
+ spin_unlock_irqrestore(&info->card->card_lock, flags);
+
+ info->idle_stats.xmit_bytes += ret;
+ info->idle_stats.xmit_idle = jiffies;
+
+ if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped)
+ start_xmit(info);
+ return ret;
+} /* cy_write */
/*
* This routine is called by the kernel to write a single
* done stuffing characters into the driver. If there is no room
* in the queue, the character is ignored.
*/
-static void
-cy_put_char(struct tty_struct *tty, unsigned char ch)
+static int cy_put_char(struct tty_struct *tty, unsigned char ch)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- unsigned long flags;
+ struct cyclades_port *info = tty->driver_data;
+ unsigned long flags;
#ifdef CY_DEBUG_IO
- printk("cyc:cy_put_char ttyC%d\n", info->line);
+ printk(KERN_DEBUG "cyc:cy_put_char ttyC%d\n", info->line);
#endif
- if (serial_paranoia_check(info, tty->name, "cy_put_char"))
- return;
+ if (serial_paranoia_check(info, tty->name, "cy_put_char"))
+ return 0;
- if (!info->xmit_buf)
- return;
+ if (!info->port.xmit_buf)
+ return 0;
- CY_LOCK(info, flags);
- if (info->xmit_cnt >= SERIAL_XMIT_SIZE - 1) {
- CY_UNLOCK(info, flags);
- return;
- }
+ spin_lock_irqsave(&info->card->card_lock, flags);
+ if (info->xmit_cnt >= (int)(SERIAL_XMIT_SIZE - 1)) {
+ spin_unlock_irqrestore(&info->card->card_lock, flags);
+ return 0;
+ }
- info->xmit_buf[info->xmit_head++] = ch;
- info->xmit_head &= SERIAL_XMIT_SIZE - 1;
- info->xmit_cnt++;
+ info->port.xmit_buf[info->xmit_head++] = ch;
+ info->xmit_head &= SERIAL_XMIT_SIZE - 1;
+ info->xmit_cnt++;
info->idle_stats.xmit_bytes++;
info->idle_stats.xmit_idle = jiffies;
- CY_UNLOCK(info, flags);
-} /* cy_put_char */
-
+ spin_unlock_irqrestore(&info->card->card_lock, flags);
+ return 1;
+} /* cy_put_char */
/*
* This routine is called by the kernel after it has written a
- * series of characters to the tty device using put_char().
+ * series of characters to the tty device using put_char().
*/
-static void
-cy_flush_chars(struct tty_struct *tty)
+static void cy_flush_chars(struct tty_struct *tty)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
-
+ struct cyclades_port *info = tty->driver_data;
+
#ifdef CY_DEBUG_IO
- printk("cyc:cy_flush_chars ttyC%d\n", info->line); /* */
+ printk(KERN_DEBUG "cyc:cy_flush_chars ttyC%d\n", info->line);
#endif
- if (serial_paranoia_check(info, tty->name, "cy_flush_chars"))
- return;
-
- if (info->xmit_cnt <= 0 || tty->stopped
- || tty->hw_stopped || !info->xmit_buf)
- return;
+ if (serial_paranoia_check(info, tty->name, "cy_flush_chars"))
+ return;
- start_xmit(info);
-} /* cy_flush_chars */
+ if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped ||
+ !info->port.xmit_buf)
+ return;
+ start_xmit(info);
+} /* cy_flush_chars */
/*
* This routine returns the numbers of characters the tty driver
* to change as output buffers get emptied, or if the output flow
* control is activated.
*/
-static int
-cy_write_room(struct tty_struct *tty)
+static int cy_write_room(struct tty_struct *tty)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- int ret;
-
+ struct cyclades_port *info = tty->driver_data;
+ int ret;
+
#ifdef CY_DEBUG_IO
- printk("cyc:cy_write_room ttyC%d\n", info->line); /* */
+ printk(KERN_DEBUG "cyc:cy_write_room ttyC%d\n", info->line);
#endif
- if (serial_paranoia_check(info, tty->name, "cy_write_room"))
- return 0;
- ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1;
- if (ret < 0)
- ret = 0;
- return ret;
-} /* cy_write_room */
-
+ if (serial_paranoia_check(info, tty->name, "cy_write_room"))
+ return 0;
+ ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1;
+ if (ret < 0)
+ ret = 0;
+ return ret;
+} /* cy_write_room */
-static int
-cy_chars_in_buffer(struct tty_struct *tty)
+static int cy_chars_in_buffer(struct tty_struct *tty)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- int card, channel;
-
- if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer"))
- return 0;
+ struct cyclades_card *card;
+ struct cyclades_port *info = tty->driver_data;
+ int channel;
+
+ if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer"))
+ return 0;
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
+ card = info->card;
+ channel = (info->line) - (card->first_line);
#ifdef Z_EXT_CHARS_IN_BUFFER
- if (!IS_CYC_Z(cy_card[card])) {
-#endif /* Z_EXT_CHARS_IN_BUFFER */
+ if (!cy_is_Z(card)) {
+#endif /* Z_EXT_CHARS_IN_BUFFER */
#ifdef CY_DEBUG_IO
- printk("cyc:cy_chars_in_buffer ttyC%d %d\n",
- info->line, info->xmit_cnt); /* */
+ printk(KERN_DEBUG "cyc:cy_chars_in_buffer ttyC%d %d\n",
+ info->line, info->xmit_cnt);
#endif
- return info->xmit_cnt;
+ return info->xmit_cnt;
#ifdef Z_EXT_CHARS_IN_BUFFER
- } else {
- static volatile struct FIRM_ID *firm_id;
- static volatile struct ZFW_CTRL *zfw_ctrl;
- static volatile struct CH_CTRL *ch_ctrl;
- static volatile struct BUF_CTRL *buf_ctrl;
- int char_count;
- volatile uclong tx_put, tx_get, tx_bufsize;
-
- firm_id = cy_card[card].base_addr + ID_ADDRESS;
- zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
- buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]);
-
- tx_get = cy_readl(&buf_ctrl->tx_get);
- tx_put = cy_readl(&buf_ctrl->tx_put);
- tx_bufsize = cy_readl(&buf_ctrl->tx_bufsize);
- if (tx_put >= tx_get)
- char_count = tx_put - tx_get;
- else
- char_count = tx_put - tx_get + tx_bufsize;
+ } else {
+ static struct FIRM_ID *firm_id;
+ static struct ZFW_CTRL *zfw_ctrl;
+ static struct CH_CTRL *ch_ctrl;
+ static struct BUF_CTRL *buf_ctrl;
+ int char_count;
+ __u32 tx_put, tx_get, tx_bufsize;
+
+ lock_kernel();
+ firm_id = card->base_addr + ID_ADDRESS;
+ zfw_ctrl = card->base_addr +
+ (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
+ buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]);
+
+ tx_get = readl(&buf_ctrl->tx_get);
+ tx_put = readl(&buf_ctrl->tx_put);
+ tx_bufsize = readl(&buf_ctrl->tx_bufsize);
+ if (tx_put >= tx_get)
+ char_count = tx_put - tx_get;
+ else
+ char_count = tx_put - tx_get + tx_bufsize;
#ifdef CY_DEBUG_IO
- printk("cyc:cy_chars_in_buffer ttyC%d %d\n",
- info->line, info->xmit_cnt + char_count); /* */
+ printk(KERN_DEBUG "cyc:cy_chars_in_buffer ttyC%d %d\n",
+ info->line, info->xmit_cnt + char_count);
#endif
- return (info->xmit_cnt + char_count);
- }
-#endif /* Z_EXT_CHARS_IN_BUFFER */
-} /* cy_chars_in_buffer */
-
+ unlock_kernel();
+ return info->xmit_cnt + char_count;
+ }
+#endif /* Z_EXT_CHARS_IN_BUFFER */
+} /* cy_chars_in_buffer */
/*
* ------------------------------------------------------------
* ------------------------------------------------------------
*/
-static void
-cyy_baud_calc(struct cyclades_port *info, uclong baud)
+static void cyy_baud_calc(struct cyclades_port *info, __u32 baud)
{
- int co, co_val, bpr;
- uclong cy_clock = ((info->chip_rev >= CD1400_REV_J) ? 60000000 : 25000000);
-
- if (baud == 0) {
- info->tbpr = info->tco = info->rbpr = info->rco = 0;
- return;
- }
-
- /* determine which prescaler to use */
- for (co = 4, co_val = 2048; co; co--, co_val >>= 2) {
- if (cy_clock / co_val / baud > 63)
- break;
- }
-
- bpr = (cy_clock / co_val * 2 / baud + 1) / 2;
- if (bpr > 255)
- bpr = 255;
-
- info->tbpr = info->rbpr = bpr;
- info->tco = info->rco = co;
+ int co, co_val, bpr;
+ __u32 cy_clock = ((info->chip_rev >= CD1400_REV_J) ? 60000000 :
+ 25000000);
+
+ if (baud == 0) {
+ info->tbpr = info->tco = info->rbpr = info->rco = 0;
+ return;
+ }
+
+ /* determine which prescaler to use */
+ for (co = 4, co_val = 2048; co; co--, co_val >>= 2) {
+ if (cy_clock / co_val / baud > 63)
+ break;
+ }
+
+ bpr = (cy_clock / co_val * 2 / baud + 1) / 2;
+ if (bpr > 255)
+ bpr = 255;
+
+ info->tbpr = info->rbpr = bpr;
+ info->tco = info->rco = co;
}
/*
* This routine finds or computes the various line characteristics.
* It used to be called config_setup
*/
-static void
-set_line_char(struct cyclades_port * info)
+static void set_line_char(struct cyclades_port *info)
{
- unsigned long flags;
- void __iomem *base_addr;
- int card,chip,channel,index;
- unsigned cflag, iflag;
- unsigned short chip_number;
- int baud, baud_rate = 0;
- int i;
-
-
- if (!info->tty || !info->tty->termios){
- return;
- }
- if (info->line == -1){
- return;
- }
- cflag = info->tty->termios->c_cflag;
- iflag = info->tty->termios->c_iflag;
-
- /*
- * Set up the tty->alt_speed kludge
- */
- if (info->tty) {
- if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
- info->tty->alt_speed = 57600;
- if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
- info->tty->alt_speed = 115200;
- if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
- info->tty->alt_speed = 230400;
- if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
- info->tty->alt_speed = 460800;
- }
-
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- chip_number = channel / 4;
-
- if (!IS_CYC_Z(cy_card[card])) {
-
- index = cy_card[card].bus_index;
-
- /* baud rate */
- baud = tty_get_baud_rate(info->tty);
- if ((baud == 38400) &&
- ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) {
- if (info->custom_divisor)
- baud_rate = info->baud / info->custom_divisor;
- else
- baud_rate = info->baud;
- } else if (baud > CD1400_MAX_SPEED) {
- baud = CD1400_MAX_SPEED;
- }
- /* find the baud index */
- for (i = 0; i < 20; i++) {
- if (baud == baud_table[i]) {
- break;
- }
- }
- if (i == 20) {
- i = 19; /* CD1400_MAX_SPEED */
- }
+ struct cyclades_card *card;
+ unsigned long flags;
+ void __iomem *base_addr;
+ int chip, channel, index;
+ unsigned cflag, iflag;
+ int baud, baud_rate = 0;
+ int i;
+
+ if (!info->port.tty || !info->port.tty->termios)
+ return;
- if ((baud == 38400) &&
- ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) {
- cyy_baud_calc(info, baud_rate);
- } else {
- if(info->chip_rev >= CD1400_REV_J) {
- /* It is a CD1400 rev. J or later */
- info->tbpr = baud_bpr_60[i]; /* Tx BPR */
- info->tco = baud_co_60[i]; /* Tx CO */
- info->rbpr = baud_bpr_60[i]; /* Rx BPR */
- info->rco = baud_co_60[i]; /* Rx CO */
- } else {
- info->tbpr = baud_bpr_25[i]; /* Tx BPR */
- info->tco = baud_co_25[i]; /* Tx CO */
- info->rbpr = baud_bpr_25[i]; /* Rx BPR */
- info->rco = baud_co_25[i]; /* Rx CO */
- }
- }
- if (baud_table[i] == 134) {
- /* get it right for 134.5 baud */
- info->timeout = (info->xmit_fifo_size*HZ*30/269) + 2;
- } else if ((baud == 38400) &&
- ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) {
- info->timeout = (info->xmit_fifo_size*HZ*15/baud_rate) + 2;
- } else if (baud_table[i]) {
- info->timeout = (info->xmit_fifo_size*HZ*15/baud_table[i]) + 2;
- /* this needs to be propagated into the card info */
- } else {
- info->timeout = 0;
- }
- /* By tradition (is it a standard?) a baud rate of zero
- implies the line should be/has been closed. A bit
- later in this routine such a test is performed. */
-
- /* byte size and parity */
- info->cor5 = 0;
- info->cor4 = 0;
- info->cor3 = (info->default_threshold
- ? info->default_threshold
- : baud_cor3[i]); /* receive threshold */
- info->cor2 = CyETC;
- switch(cflag & CSIZE){
- case CS5:
- info->cor1 = Cy_5_BITS;
- break;
- case CS6:
- info->cor1 = Cy_6_BITS;
- break;
- case CS7:
- info->cor1 = Cy_7_BITS;
- break;
- case CS8:
- info->cor1 = Cy_8_BITS;
- break;
- }
- if(cflag & CSTOPB){
- info->cor1 |= Cy_2_STOP;
- }
- if (cflag & PARENB){
- if (cflag & PARODD){
- info->cor1 |= CyPARITY_O;
- }else{
- info->cor1 |= CyPARITY_E;
- }
- }else{
- info->cor1 |= CyPARITY_NONE;
- }
-
- /* CTS flow control flag */
- if (cflag & CRTSCTS){
- info->flags |= ASYNC_CTS_FLOW;
- info->cor2 |= CyCtsAE;
- }else{
- info->flags &= ~ASYNC_CTS_FLOW;
- info->cor2 &= ~CyCtsAE;
+ if (info->line == -1)
+ return;
+
+ cflag = info->port.tty->termios->c_cflag;
+ iflag = info->port.tty->termios->c_iflag;
+
+ /*
+ * Set up the tty->alt_speed kludge
+ */
+ if (info->port.tty) {
+ if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
+ info->port.tty->alt_speed = 57600;
+ if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
+ info->port.tty->alt_speed = 115200;
+ if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
+ info->port.tty->alt_speed = 230400;
+ if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
+ info->port.tty->alt_speed = 460800;
}
- if (cflag & CLOCAL)
- info->flags &= ~ASYNC_CHECK_CD;
- else
- info->flags |= ASYNC_CHECK_CD;
- /***********************************************
- The hardware option, CyRtsAO, presents RTS when
- the chip has characters to send. Since most modems
- use RTS as reverse (inbound) flow control, this
- option is not used. If inbound flow control is
- necessary, DTR can be programmed to provide the
- appropriate signals for use with a non-standard
- cable. Contact Marcio Saito for details.
- ***********************************************/
+ card = info->card;
+ channel = info->line - card->first_line;
+
+ if (!cy_is_Z(card)) {
+
+ index = card->bus_index;
+
+ /* baud rate */
+ baud = tty_get_baud_rate(info->port.tty);
+ if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
+ ASYNC_SPD_CUST) {
+ if (info->custom_divisor)
+ baud_rate = info->baud / info->custom_divisor;
+ else
+ baud_rate = info->baud;
+ } else if (baud > CD1400_MAX_SPEED) {
+ baud = CD1400_MAX_SPEED;
+ }
+ /* find the baud index */
+ for (i = 0; i < 20; i++) {
+ if (baud == baud_table[i])
+ break;
+ }
+ if (i == 20)
+ i = 19; /* CD1400_MAX_SPEED */
- chip = channel>>2;
- channel &= 0x03;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
-
- /* tx and rx baud rate */
-
- cy_writeb(base_addr+(CyTCOR<<index), info->tco);
- cy_writeb(base_addr+(CyTBPR<<index), info->tbpr);
- cy_writeb(base_addr+(CyRCOR<<index), info->rco);
- cy_writeb(base_addr+(CyRBPR<<index), info->rbpr);
-
- /* set line characteristics according configuration */
-
- cy_writeb(base_addr+(CySCHR1<<index),
- START_CHAR(info->tty));
- cy_writeb(base_addr+(CySCHR2<<index),
- STOP_CHAR(info->tty));
- cy_writeb(base_addr+(CyCOR1<<index), info->cor1);
- cy_writeb(base_addr+(CyCOR2<<index), info->cor2);
- cy_writeb(base_addr+(CyCOR3<<index), info->cor3);
- cy_writeb(base_addr+(CyCOR4<<index), info->cor4);
- cy_writeb(base_addr+(CyCOR5<<index), info->cor5);
-
- cyy_issue_cmd(base_addr,
- CyCOR_CHANGE|CyCOR1ch|CyCOR2ch|CyCOR3ch,index);
-
- cy_writeb(base_addr+(CyCAR<<index),
- (u_char)channel); /* !!! Is this needed? */
- cy_writeb(base_addr+(CyRTPR<<index), (info->default_timeout
- ? info->default_timeout
- : 0x02)); /* 10ms rx timeout */
-
- if (C_CLOCAL(info->tty)) {
- /* without modem intr */
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) | CyMdmCh);
- /* act on 1->0 modem transitions */
- if ((cflag & CRTSCTS) && info->rflow) {
- cy_writeb(base_addr+(CyMCOR1<<index),
- (CyCTS|rflow_thr[i]));
- } else {
- cy_writeb(base_addr+(CyMCOR1<<index), CyCTS);
- }
- /* act on 0->1 modem transitions */
- cy_writeb(base_addr+(CyMCOR2<<index), CyCTS);
- } else {
- /* without modem intr */
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) | CyMdmCh);
- /* act on 1->0 modem transitions */
- if ((cflag & CRTSCTS) && info->rflow) {
- cy_writeb(base_addr+(CyMCOR1<<index),
- (CyDSR|CyCTS|CyRI|CyDCD|rflow_thr[i]));
- } else {
- cy_writeb(base_addr+(CyMCOR1<<index),
- CyDSR|CyCTS|CyRI|CyDCD);
- }
- /* act on 0->1 modem transitions */
- cy_writeb(base_addr+(CyMCOR2<<index),
- CyDSR|CyCTS|CyRI|CyDCD);
- }
-
- if(i == 0){ /* baud rate is zero, turn off line */
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS);
+ if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
+ ASYNC_SPD_CUST) {
+ cyy_baud_calc(info, baud_rate);
} else {
- cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR);
+ if (info->chip_rev >= CD1400_REV_J) {
+ /* It is a CD1400 rev. J or later */
+ info->tbpr = baud_bpr_60[i]; /* Tx BPR */
+ info->tco = baud_co_60[i]; /* Tx CO */
+ info->rbpr = baud_bpr_60[i]; /* Rx BPR */
+ info->rco = baud_co_60[i]; /* Rx CO */
+ } else {
+ info->tbpr = baud_bpr_25[i]; /* Tx BPR */
+ info->tco = baud_co_25[i]; /* Tx CO */
+ info->rbpr = baud_bpr_25[i]; /* Rx BPR */
+ info->rco = baud_co_25[i]; /* Rx CO */
+ }
}
-#ifdef CY_DEBUG_DTR
- printk("cyc:set_line_char dropping DTR\n");
- printk(" status: 0x%x, 0x%x\n",
- cy_readb(base_addr+(CyMSVR1<<index)),
- cy_readb(base_addr+(CyMSVR2<<index)));
+ if (baud_table[i] == 134) {
+ /* get it right for 134.5 baud */
+ info->timeout = (info->xmit_fifo_size * HZ * 30 / 269) +
+ 2;
+ } else if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
+ ASYNC_SPD_CUST) {
+ info->timeout = (info->xmit_fifo_size * HZ * 15 /
+ baud_rate) + 2;
+ } else if (baud_table[i]) {
+ info->timeout = (info->xmit_fifo_size * HZ * 15 /
+ baud_table[i]) + 2;
+ /* this needs to be propagated into the card info */
+ } else {
+ info->timeout = 0;
+ }
+ /* By tradition (is it a standard?) a baud rate of zero
+ implies the line should be/has been closed. A bit
+ later in this routine such a test is performed. */
+
+ /* byte size and parity */
+ info->cor5 = 0;
+ info->cor4 = 0;
+ /* receive threshold */
+ info->cor3 = (info->default_threshold ?
+ info->default_threshold : baud_cor3[i]);
+ info->cor2 = CyETC;
+ switch (cflag & CSIZE) {
+ case CS5:
+ info->cor1 = Cy_5_BITS;
+ break;
+ case CS6:
+ info->cor1 = Cy_6_BITS;
+ break;
+ case CS7:
+ info->cor1 = Cy_7_BITS;
+ break;
+ case CS8:
+ info->cor1 = Cy_8_BITS;
+ break;
+ }
+ if (cflag & CSTOPB)
+ info->cor1 |= Cy_2_STOP;
+
+ if (cflag & PARENB) {
+ if (cflag & PARODD)
+ info->cor1 |= CyPARITY_O;
+ else
+ info->cor1 |= CyPARITY_E;
+ } else
+ info->cor1 |= CyPARITY_NONE;
+
+ /* CTS flow control flag */
+ if (cflag & CRTSCTS) {
+ info->port.flags |= ASYNC_CTS_FLOW;
+ info->cor2 |= CyCtsAE;
+ } else {
+ info->port.flags &= ~ASYNC_CTS_FLOW;
+ info->cor2 &= ~CyCtsAE;
+ }
+ if (cflag & CLOCAL)
+ info->port.flags &= ~ASYNC_CHECK_CD;
+ else
+ info->port.flags |= ASYNC_CHECK_CD;
+
+ /***********************************************
+ The hardware option, CyRtsAO, presents RTS when
+ the chip has characters to send. Since most modems
+ use RTS as reverse (inbound) flow control, this
+ option is not used. If inbound flow control is
+ necessary, DTR can be programmed to provide the
+ appropriate signals for use with a non-standard
+ cable. Contact Marcio Saito for details.
+ ***********************************************/
+
+ chip = channel >> 2;
+ channel &= 0x03;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+
+ /* tx and rx baud rate */
+
+ cy_writeb(base_addr + (CyTCOR << index), info->tco);
+ cy_writeb(base_addr + (CyTBPR << index), info->tbpr);
+ cy_writeb(base_addr + (CyRCOR << index), info->rco);
+ cy_writeb(base_addr + (CyRBPR << index), info->rbpr);
+
+ /* set line characteristics according configuration */
+
+ cy_writeb(base_addr + (CySCHR1 << index),
+ START_CHAR(info->port.tty));
+ cy_writeb(base_addr + (CySCHR2 << index), STOP_CHAR(info->port.tty));
+ cy_writeb(base_addr + (CyCOR1 << index), info->cor1);
+ cy_writeb(base_addr + (CyCOR2 << index), info->cor2);
+ cy_writeb(base_addr + (CyCOR3 << index), info->cor3);
+ cy_writeb(base_addr + (CyCOR4 << index), info->cor4);
+ cy_writeb(base_addr + (CyCOR5 << index), info->cor5);
+
+ cyy_issue_cmd(base_addr, CyCOR_CHANGE | CyCOR1ch | CyCOR2ch |
+ CyCOR3ch, index);
+
+ /* !!! Is this needed? */
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ cy_writeb(base_addr + (CyRTPR << index),
+ (info->default_timeout ? info->default_timeout : 0x02));
+ /* 10ms rx timeout */
+
+ if (C_CLOCAL(info->port.tty)) {
+ /* without modem intr */
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) | CyMdmCh);
+ /* act on 1->0 modem transitions */
+ if ((cflag & CRTSCTS) && info->rflow) {
+ cy_writeb(base_addr + (CyMCOR1 << index),
+ (CyCTS | rflow_thr[i]));
+ } else {
+ cy_writeb(base_addr + (CyMCOR1 << index),
+ CyCTS);
+ }
+ /* act on 0->1 modem transitions */
+ cy_writeb(base_addr + (CyMCOR2 << index), CyCTS);
+ } else {
+ /* without modem intr */
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr +
+ (CySRER << index)) | CyMdmCh);
+ /* act on 1->0 modem transitions */
+ if ((cflag & CRTSCTS) && info->rflow) {
+ cy_writeb(base_addr + (CyMCOR1 << index),
+ (CyDSR | CyCTS | CyRI | CyDCD |
+ rflow_thr[i]));
+ } else {
+ cy_writeb(base_addr + (CyMCOR1 << index),
+ CyDSR | CyCTS | CyRI | CyDCD);
+ }
+ /* act on 0->1 modem transitions */
+ cy_writeb(base_addr + (CyMCOR2 << index),
+ CyDSR | CyCTS | CyRI | CyDCD);
+ }
+
+ if (i == 0) { /* baud rate is zero, turn off line */
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ ~CyRTS);
+ } else {
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ ~CyDTR);
+ }
+#ifdef CY_DEBUG_DTR
+ printk(KERN_DEBUG "cyc:set_line_char dropping DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
#endif
- }else{
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr+(CyMSVR1<<index), CyRTS);
- } else {
- cy_writeb(base_addr+(CyMSVR2<<index), CyDTR);
- }
+ } else {
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ CyRTS);
+ } else {
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ CyDTR);
+ }
#ifdef CY_DEBUG_DTR
- printk("cyc:set_line_char raising DTR\n");
- printk(" status: 0x%x, 0x%x\n",
- cy_readb(base_addr+(CyMSVR1<<index)),
- cy_readb(base_addr+(CyMSVR2<<index)));
+ printk(KERN_DEBUG "cyc:set_line_char raising DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
#endif
- }
-
- if (info->tty){
- clear_bit(TTY_IO_ERROR, &info->tty->flags);
- }
- CY_UNLOCK(info, flags);
-
- } else {
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
- struct BUF_CTRL __iomem *buf_ctrl;
- uclong sw_flow;
- int retval;
-
- firm_id = cy_card[card].base_addr + ID_ADDRESS;
- if (!ISZLOADED(cy_card[card])) {
- return;
- }
+ }
- zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
- buf_ctrl = &zfw_ctrl->buf_ctrl[channel];
-
- /* baud rate */
- baud = tty_get_baud_rate(info->tty);
- if ((baud == 38400) &&
- ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) {
- if (info->custom_divisor)
- baud_rate = info->baud / info->custom_divisor;
- else
- baud_rate = info->baud;
- } else if (baud > CYZ_MAX_SPEED) {
- baud = CYZ_MAX_SPEED;
- }
- cy_writel(&ch_ctrl->comm_baud , baud);
-
- if (baud == 134) {
- /* get it right for 134.5 baud */
- info->timeout = (info->xmit_fifo_size*HZ*30/269) + 2;
- } else if ((baud == 38400) &&
- ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) {
- info->timeout = (info->xmit_fifo_size*HZ*15/baud_rate) + 2;
- } else if (baud) {
- info->timeout = (info->xmit_fifo_size*HZ*15/baud) + 2;
- /* this needs to be propagated into the card info */
- } else {
- info->timeout = 0;
- }
+ if (info->port.tty)
+ clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ spin_unlock_irqrestore(&card->card_lock, flags);
- /* byte size and parity */
- switch(cflag & CSIZE){
- case CS5: cy_writel(&ch_ctrl->comm_data_l , C_DL_CS5); break;
- case CS6: cy_writel(&ch_ctrl->comm_data_l , C_DL_CS6); break;
- case CS7: cy_writel(&ch_ctrl->comm_data_l , C_DL_CS7); break;
- case CS8: cy_writel(&ch_ctrl->comm_data_l , C_DL_CS8); break;
- }
- if(cflag & CSTOPB){
- cy_writel(&ch_ctrl->comm_data_l,
- cy_readl(&ch_ctrl->comm_data_l) | C_DL_2STOP);
- }else{
- cy_writel(&ch_ctrl->comm_data_l,
- cy_readl(&ch_ctrl->comm_data_l) | C_DL_1STOP);
- }
- if (cflag & PARENB){
- if (cflag & PARODD){
- cy_writel(&ch_ctrl->comm_parity , C_PR_ODD);
- }else{
- cy_writel(&ch_ctrl->comm_parity , C_PR_EVEN);
- }
- }else{
- cy_writel(&ch_ctrl->comm_parity , C_PR_NONE);
- }
+ } else {
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl;
+ __u32 sw_flow;
+ int retval;
+
+ firm_id = card->base_addr + ID_ADDRESS;
+ if (!cyz_is_loaded(card))
+ return;
+
+ zfw_ctrl = card->base_addr +
+ (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
+
+ /* baud rate */
+ baud = tty_get_baud_rate(info->port.tty);
+ if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
+ ASYNC_SPD_CUST) {
+ if (info->custom_divisor)
+ baud_rate = info->baud / info->custom_divisor;
+ else
+ baud_rate = info->baud;
+ } else if (baud > CYZ_MAX_SPEED) {
+ baud = CYZ_MAX_SPEED;
+ }
+ cy_writel(&ch_ctrl->comm_baud, baud);
+
+ if (baud == 134) {
+ /* get it right for 134.5 baud */
+ info->timeout = (info->xmit_fifo_size * HZ * 30 / 269) +
+ 2;
+ } else if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
+ ASYNC_SPD_CUST) {
+ info->timeout = (info->xmit_fifo_size * HZ * 15 /
+ baud_rate) + 2;
+ } else if (baud) {
+ info->timeout = (info->xmit_fifo_size * HZ * 15 /
+ baud) + 2;
+ /* this needs to be propagated into the card info */
+ } else {
+ info->timeout = 0;
+ }
- /* CTS flow control flag */
- if (cflag & CRTSCTS){
- cy_writel(&ch_ctrl->hw_flow,
- cy_readl(&ch_ctrl->hw_flow) | C_RS_CTS | C_RS_RTS);
- }else{
- cy_writel(&ch_ctrl->hw_flow,
- cy_readl(&ch_ctrl->hw_flow) & ~(C_RS_CTS | C_RS_RTS));
- }
- /* As the HW flow control is done in firmware, the driver doesn't
- need to care about it */
- info->flags &= ~ASYNC_CTS_FLOW;
-
- /* XON/XOFF/XANY flow control flags */
- sw_flow = 0;
- if (iflag & IXON){
- sw_flow |= C_FL_OXX;
- if (iflag & IXANY)
- sw_flow |= C_FL_OIXANY;
- }
- cy_writel(&ch_ctrl->sw_flow, sw_flow);
+ /* byte size and parity */
+ switch (cflag & CSIZE) {
+ case CS5:
+ cy_writel(&ch_ctrl->comm_data_l, C_DL_CS5);
+ break;
+ case CS6:
+ cy_writel(&ch_ctrl->comm_data_l, C_DL_CS6);
+ break;
+ case CS7:
+ cy_writel(&ch_ctrl->comm_data_l, C_DL_CS7);
+ break;
+ case CS8:
+ cy_writel(&ch_ctrl->comm_data_l, C_DL_CS8);
+ break;
+ }
+ if (cflag & CSTOPB) {
+ cy_writel(&ch_ctrl->comm_data_l,
+ readl(&ch_ctrl->comm_data_l) | C_DL_2STOP);
+ } else {
+ cy_writel(&ch_ctrl->comm_data_l,
+ readl(&ch_ctrl->comm_data_l) | C_DL_1STOP);
+ }
+ if (cflag & PARENB) {
+ if (cflag & PARODD)
+ cy_writel(&ch_ctrl->comm_parity, C_PR_ODD);
+ else
+ cy_writel(&ch_ctrl->comm_parity, C_PR_EVEN);
+ } else
+ cy_writel(&ch_ctrl->comm_parity, C_PR_NONE);
+
+ /* CTS flow control flag */
+ if (cflag & CRTSCTS) {
+ cy_writel(&ch_ctrl->hw_flow,
+ readl(&ch_ctrl->hw_flow) | C_RS_CTS | C_RS_RTS);
+ } else {
+ cy_writel(&ch_ctrl->hw_flow, readl(&ch_ctrl->hw_flow) &
+ ~(C_RS_CTS | C_RS_RTS));
+ }
+ /* As the HW flow control is done in firmware, the driver
+ doesn't need to care about it */
+ info->port.flags &= ~ASYNC_CTS_FLOW;
+
+ /* XON/XOFF/XANY flow control flags */
+ sw_flow = 0;
+ if (iflag & IXON) {
+ sw_flow |= C_FL_OXX;
+ if (iflag & IXANY)
+ sw_flow |= C_FL_OIXANY;
+ }
+ cy_writel(&ch_ctrl->sw_flow, sw_flow);
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L);
- if (retval != 0){
- printk("cyc:set_line_char retval on ttyC%d was %x\n",
- info->line, retval);
- }
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTL, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:set_line_char retval on ttyC%d "
+ "was %x\n", info->line, retval);
+ }
- /* CD sensitivity */
- if (cflag & CLOCAL){
- info->flags &= ~ASYNC_CHECK_CD;
- }else{
- info->flags |= ASYNC_CHECK_CD;
- }
+ /* CD sensitivity */
+ if (cflag & CLOCAL)
+ info->port.flags &= ~ASYNC_CHECK_CD;
+ else
+ info->port.flags |= ASYNC_CHECK_CD;
- if(baud == 0){ /* baud rate is zero, turn off line */
- cy_writel(&ch_ctrl->rs_control,
- cy_readl(&ch_ctrl->rs_control) & ~C_RS_DTR);
+ if (baud == 0) { /* baud rate is zero, turn off line */
+ cy_writel(&ch_ctrl->rs_control,
+ readl(&ch_ctrl->rs_control) & ~C_RS_DTR);
#ifdef CY_DEBUG_DTR
- printk("cyc:set_line_char dropping Z DTR\n");
+ printk(KERN_DEBUG "cyc:set_line_char dropping Z DTR\n");
#endif
- }else{
- cy_writel(&ch_ctrl->rs_control,
- cy_readl(&ch_ctrl->rs_control) | C_RS_DTR);
+ } else {
+ cy_writel(&ch_ctrl->rs_control,
+ readl(&ch_ctrl->rs_control) | C_RS_DTR);
#ifdef CY_DEBUG_DTR
- printk("cyc:set_line_char raising Z DTR\n");
+ printk(KERN_DEBUG "cyc:set_line_char raising Z DTR\n");
#endif
- }
+ }
- retval = cyz_issue_cmd( &cy_card[card], channel, C_CM_IOCTLM, 0L);
- if (retval != 0){
- printk("cyc:set_line_char(2) retval on ttyC%d was %x\n",
- info->line, retval);
- }
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:set_line_char(2) retval on ttyC%d "
+ "was %x\n", info->line, retval);
+ }
- if (info->tty){
- clear_bit(TTY_IO_ERROR, &info->tty->flags);
+ if (info->port.tty)
+ clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
}
- }
-} /* set_line_char */
-
+} /* set_line_char */
static int
-get_serial_info(struct cyclades_port * info,
- struct serial_struct __user * retinfo)
+get_serial_info(struct cyclades_port *info,
+ struct serial_struct __user *retinfo)
{
- struct serial_struct tmp;
- struct cyclades_card *cinfo = &cy_card[info->card];
-
- if (!retinfo)
- return -EFAULT;
- memset(&tmp, 0, sizeof(tmp));
- tmp.type = info->type;
- tmp.line = info->line;
- tmp.port = info->card * 0x100 + info->line - cinfo->first_line;
- tmp.irq = cinfo->irq;
- tmp.flags = info->flags;
- tmp.close_delay = info->close_delay;
- tmp.baud_base = info->baud;
- tmp.custom_divisor = info->custom_divisor;
- tmp.hub6 = 0; /*!!!*/
- return copy_to_user(retinfo,&tmp,sizeof(*retinfo))?-EFAULT:0;
-} /* get_serial_info */
-
+ struct serial_struct tmp;
+ struct cyclades_card *cinfo = info->card;
+
+ if (!retinfo)
+ return -EFAULT;
+ memset(&tmp, 0, sizeof(tmp));
+ tmp.type = info->type;
+ tmp.line = info->line;
+ tmp.port = (info->card - cy_card) * 0x100 + info->line -
+ cinfo->first_line;
+ tmp.irq = cinfo->irq;
+ tmp.flags = info->port.flags;
+ tmp.close_delay = info->port.close_delay;
+ tmp.closing_wait = info->port.closing_wait;
+ tmp.baud_base = info->baud;
+ tmp.custom_divisor = info->custom_divisor;
+ tmp.hub6 = 0; /*!!! */
+ return copy_to_user(retinfo, &tmp, sizeof(*retinfo)) ? -EFAULT : 0;
+} /* get_serial_info */
static int
-set_serial_info(struct cyclades_port * info,
- struct serial_struct __user * new_info)
+set_serial_info(struct cyclades_port *info,
+ struct serial_struct __user *new_info)
{
- struct serial_struct new_serial;
- struct cyclades_port old_info;
-
- if (copy_from_user(&new_serial,new_info,sizeof(new_serial)))
- return -EFAULT;
- old_info = *info;
-
- if (!capable(CAP_SYS_ADMIN)) {
- if ((new_serial.close_delay != info->close_delay) ||
- (new_serial.baud_base != info->baud) ||
- ((new_serial.flags & ASYNC_FLAGS & ~ASYNC_USR_MASK) !=
- (info->flags & ASYNC_FLAGS & ~ASYNC_USR_MASK)))
- return -EPERM;
- info->flags = ((info->flags & ~ASYNC_USR_MASK) |
- (new_serial.flags & ASYNC_USR_MASK));
- info->baud = new_serial.baud_base;
- info->custom_divisor = new_serial.custom_divisor;
- goto check_and_exit;
- }
-
-
- /*
- * OK, past this point, all the error checking has been done.
- * At this point, we start making changes.....
- */
-
- info->baud = new_serial.baud_base;
- info->custom_divisor = new_serial.custom_divisor;
- info->flags = ((info->flags & ~ASYNC_FLAGS) |
- (new_serial.flags & ASYNC_FLAGS));
- info->close_delay = new_serial.close_delay * HZ/100;
- info->closing_wait = new_serial.closing_wait * HZ/100;
+ struct serial_struct new_serial;
+ struct cyclades_port old_info;
+
+ if (copy_from_user(&new_serial, new_info, sizeof(new_serial)))
+ return -EFAULT;
+ old_info = *info;
+
+ if (!capable(CAP_SYS_ADMIN)) {
+ if (new_serial.close_delay != info->port.close_delay ||
+ new_serial.baud_base != info->baud ||
+ (new_serial.flags & ASYNC_FLAGS &
+ ~ASYNC_USR_MASK) !=
+ (info->port.flags & ASYNC_FLAGS & ~ASYNC_USR_MASK))
+ return -EPERM;
+ info->port.flags = (info->port.flags & ~ASYNC_USR_MASK) |
+ (new_serial.flags & ASYNC_USR_MASK);
+ info->baud = new_serial.baud_base;
+ info->custom_divisor = new_serial.custom_divisor;
+ goto check_and_exit;
+ }
+
+ /*
+ * OK, past this point, all the error checking has been done.
+ * At this point, we start making changes.....
+ */
+
+ info->baud = new_serial.baud_base;
+ info->custom_divisor = new_serial.custom_divisor;
+ info->port.flags = (info->port.flags & ~ASYNC_FLAGS) |
+ (new_serial.flags & ASYNC_FLAGS);
+ info->port.close_delay = new_serial.close_delay * HZ / 100;
+ info->port.closing_wait = new_serial.closing_wait * HZ / 100;
check_and_exit:
- if (info->flags & ASYNC_INITIALIZED){
- set_line_char(info);
- return 0;
- }else{
- return startup(info);
- }
-} /* set_serial_info */
+ if (info->port.flags & ASYNC_INITIALIZED) {
+ set_line_char(info);
+ return 0;
+ } else {
+ return startup(info);
+ }
+} /* set_serial_info */
/*
* get_lsr_info - get line status register info
*/
static int get_lsr_info(struct cyclades_port *info, unsigned int __user *value)
{
- int card, chip, channel, index;
- unsigned char status;
- unsigned int result;
- unsigned long flags;
- void __iomem *base_addr;
-
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- status = cy_readb(base_addr+(CySRER<<index)) & (CyTxRdy|CyTxMpty);
- CY_UNLOCK(info, flags);
- result = (status ? 0 : TIOCSER_TEMT);
- } else {
- /* Not supported yet */
- return -EINVAL;
- }
- return put_user(result, (unsigned long __user *) value);
-}
+ struct cyclades_card *card;
+ int chip, channel, index;
+ unsigned char status;
+ unsigned int result;
+ unsigned long flags;
+ void __iomem *base_addr;
-static int
-cy_tiocmget(struct tty_struct *tty, struct file *file)
-{
- struct cyclades_port * info = (struct cyclades_port *)tty->driver_data;
- int card,chip,channel,index;
- void __iomem *base_addr;
- unsigned long flags;
- unsigned char status;
- unsigned long lstatus;
- unsigned int result;
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
-
- if (serial_paranoia_check(info, tty->name, __FUNCTION__))
- return -ENODEV;
-
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- status = cy_readb(base_addr+(CyMSVR1<<index));
- status |= cy_readb(base_addr+(CyMSVR2<<index));
- CY_UNLOCK(info, flags);
-
- if (info->rtsdtr_inv) {
- result = ((status & CyRTS) ? TIOCM_DTR : 0)
- | ((status & CyDTR) ? TIOCM_RTS : 0);
+ card = info->card;
+ channel = (info->line) - (card->first_line);
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ status = readb(base_addr + (CySRER << index)) &
+ (CyTxRdy | CyTxMpty);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ result = (status ? 0 : TIOCSER_TEMT);
} else {
- result = ((status & CyRTS) ? TIOCM_RTS : 0)
- | ((status & CyDTR) ? TIOCM_DTR : 0);
- }
- result |= ((status & CyDCD) ? TIOCM_CAR : 0)
- | ((status & CyRI) ? TIOCM_RNG : 0)
- | ((status & CyDSR) ? TIOCM_DSR : 0)
- | ((status & CyCTS) ? TIOCM_CTS : 0);
- } else {
- base_addr = cy_card[card].base_addr;
-
- if (cy_card[card].num_chips != -1){
- return -EINVAL;
+ /* Not supported yet */
+ return -EINVAL;
}
+ return put_user(result, (unsigned long __user *)value);
+}
- firm_id = cy_card[card].base_addr + ID_ADDRESS;
- if (ISZLOADED(cy_card[card])) {
- zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
- lstatus = cy_readl(&ch_ctrl[channel].rs_status);
- result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0)
- | ((lstatus & C_RS_DTR) ? TIOCM_DTR : 0)
- | ((lstatus & C_RS_DCD) ? TIOCM_CAR : 0)
- | ((lstatus & C_RS_RI) ? TIOCM_RNG : 0)
- | ((lstatus & C_RS_DSR) ? TIOCM_DSR : 0)
- | ((lstatus & C_RS_CTS) ? TIOCM_CTS : 0);
- }else{
- result = 0;
- return -ENODEV;
- }
+static int cy_tiocmget(struct tty_struct *tty, struct file *file)
+{
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
+ int chip, channel, index;
+ void __iomem *base_addr;
+ unsigned long flags;
+ unsigned char status;
+ unsigned long lstatus;
+ unsigned int result;
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl;
+
+ if (serial_paranoia_check(info, tty->name, __func__))
+ return -ENODEV;
- }
- return result;
-} /* cy_tiomget */
+ lock_kernel();
+ card = info->card;
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ status = readb(base_addr + (CyMSVR1 << index));
+ status |= readb(base_addr + (CyMSVR2 << index));
+ spin_unlock_irqrestore(&card->card_lock, flags);
+
+ if (info->rtsdtr_inv) {
+ result = ((status & CyRTS) ? TIOCM_DTR : 0) |
+ ((status & CyDTR) ? TIOCM_RTS : 0);
+ } else {
+ result = ((status & CyRTS) ? TIOCM_RTS : 0) |
+ ((status & CyDTR) ? TIOCM_DTR : 0);
+ }
+ result |= ((status & CyDCD) ? TIOCM_CAR : 0) |
+ ((status & CyRI) ? TIOCM_RNG : 0) |
+ ((status & CyDSR) ? TIOCM_DSR : 0) |
+ ((status & CyCTS) ? TIOCM_CTS : 0);
+ } else {
+ base_addr = card->base_addr;
+ firm_id = card->base_addr + ID_ADDRESS;
+ if (cyz_is_loaded(card)) {
+ zfw_ctrl = card->base_addr +
+ (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ board_ctrl = &zfw_ctrl->board_ctrl;
+ ch_ctrl = zfw_ctrl->ch_ctrl;
+ lstatus = readl(&ch_ctrl[channel].rs_status);
+ result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0) |
+ ((lstatus & C_RS_DTR) ? TIOCM_DTR : 0) |
+ ((lstatus & C_RS_DCD) ? TIOCM_CAR : 0) |
+ ((lstatus & C_RS_RI) ? TIOCM_RNG : 0) |
+ ((lstatus & C_RS_DSR) ? TIOCM_DSR : 0) |
+ ((lstatus & C_RS_CTS) ? TIOCM_CTS : 0);
+ } else {
+ result = 0;
+ unlock_kernel();
+ return -ENODEV;
+ }
+
+ }
+ unlock_kernel();
+ return result;
+} /* cy_tiomget */
static int
cy_tiocmset(struct tty_struct *tty, struct file *file,
- unsigned int set, unsigned int clear)
+ unsigned int set, unsigned int clear)
{
- struct cyclades_port * info = (struct cyclades_port *)tty->driver_data;
- int card,chip,channel,index;
- void __iomem *base_addr;
- unsigned long flags;
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
- int retval;
-
- if (serial_paranoia_check(info, tty->name, __FUNCTION__))
- return -ENODEV;
-
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- if (set & TIOCM_RTS){
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr+(CyMSVR2<<index), CyDTR);
- } else {
- cy_writeb(base_addr+(CyMSVR1<<index), CyRTS);
- }
- CY_UNLOCK(info, flags);
- }
- if (clear & TIOCM_RTS) {
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR);
- } else {
- cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS);
- }
- CY_UNLOCK(info, flags);
- }
- if (set & TIOCM_DTR){
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr+(CyMSVR1<<index), CyRTS);
- } else {
- cy_writeb(base_addr+(CyMSVR2<<index), CyDTR);
- }
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
+ int chip, channel, index;
+ void __iomem *base_addr;
+ unsigned long flags;
+ struct FIRM_ID __iomem *firm_id;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl;
+ int retval;
+
+ if (serial_paranoia_check(info, tty->name, __func__))
+ return -ENODEV;
+
+ card = info->card;
+ channel = (info->line) - (card->first_line);
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ if (set & TIOCM_RTS) {
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ CyDTR);
+ } else {
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ CyRTS);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ if (clear & TIOCM_RTS) {
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ ~CyDTR);
+ } else {
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ ~CyRTS);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ if (set & TIOCM_DTR) {
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ CyRTS);
+ } else {
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ CyDTR);
+ }
#ifdef CY_DEBUG_DTR
- printk("cyc:set_modem_info raising DTR\n");
- printk(" status: 0x%x, 0x%x\n",
- cy_readb(base_addr+(CyMSVR1<<index)),
- cy_readb(base_addr+(CyMSVR2<<index)));
+ printk(KERN_DEBUG "cyc:set_modem_info raising DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
#endif
- CY_UNLOCK(info, flags);
- }
- if (clear & TIOCM_DTR) {
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS);
- } else {
- cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR);
- }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ if (clear & TIOCM_DTR) {
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ ~CyRTS);
+ } else {
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ ~CyDTR);
+ }
#ifdef CY_DEBUG_DTR
- printk("cyc:set_modem_info dropping DTR\n");
- printk(" status: 0x%x, 0x%x\n",
- cy_readb(base_addr+(CyMSVR1<<index)),
- cy_readb(base_addr+(CyMSVR2<<index)));
+ printk(KERN_DEBUG "cyc:set_modem_info dropping DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
#endif
- CY_UNLOCK(info, flags);
- }
- } else {
- base_addr = cy_card[card].base_addr;
-
- firm_id = cy_card[card].base_addr + ID_ADDRESS;
- if (ISZLOADED(cy_card[card])) {
- zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
-
- if (set & TIOCM_RTS){
- CY_LOCK(info, flags);
- cy_writel(&ch_ctrl[channel].rs_control,
- cy_readl(&ch_ctrl[channel].rs_control) | C_RS_RTS);
- CY_UNLOCK(info, flags);
- }
- if (clear & TIOCM_RTS) {
- CY_LOCK(info, flags);
- cy_writel(&ch_ctrl[channel].rs_control,
- cy_readl(&ch_ctrl[channel].rs_control) & ~C_RS_RTS);
- CY_UNLOCK(info, flags);
- }
- if (set & TIOCM_DTR){
- CY_LOCK(info, flags);
- cy_writel(&ch_ctrl[channel].rs_control,
- cy_readl(&ch_ctrl[channel].rs_control) | C_RS_DTR);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ } else {
+ base_addr = card->base_addr;
+
+ firm_id = card->base_addr + ID_ADDRESS;
+ if (cyz_is_loaded(card)) {
+ zfw_ctrl = card->base_addr +
+ (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ board_ctrl = &zfw_ctrl->board_ctrl;
+ ch_ctrl = zfw_ctrl->ch_ctrl;
+
+ if (set & TIOCM_RTS) {
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writel(&ch_ctrl[channel].rs_control,
+ readl(&ch_ctrl[channel].rs_control) |
+ C_RS_RTS);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ if (clear & TIOCM_RTS) {
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writel(&ch_ctrl[channel].rs_control,
+ readl(&ch_ctrl[channel].rs_control) &
+ ~C_RS_RTS);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ if (set & TIOCM_DTR) {
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writel(&ch_ctrl[channel].rs_control,
+ readl(&ch_ctrl[channel].rs_control) |
+ C_RS_DTR);
#ifdef CY_DEBUG_DTR
- printk("cyc:set_modem_info raising Z DTR\n");
+ printk(KERN_DEBUG "cyc:set_modem_info raising "
+ "Z DTR\n");
#endif
- CY_UNLOCK(info, flags);
- }
- if (clear & TIOCM_DTR) {
- CY_LOCK(info, flags);
- cy_writel(&ch_ctrl[channel].rs_control,
- cy_readl(&ch_ctrl[channel].rs_control) & ~C_RS_DTR);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ if (clear & TIOCM_DTR) {
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writel(&ch_ctrl[channel].rs_control,
+ readl(&ch_ctrl[channel].rs_control) &
+ ~C_RS_DTR);
#ifdef CY_DEBUG_DTR
- printk("cyc:set_modem_info clearing Z DTR\n");
+ printk(KERN_DEBUG "cyc:set_modem_info clearing "
+ "Z DTR\n");
#endif
- CY_UNLOCK(info, flags);
- }
- }else{
- return -ENODEV;
- }
- CY_LOCK(info, flags);
- retval = cyz_issue_cmd(&cy_card[info->card],
- channel, C_CM_IOCTLM,0L);
- if (retval != 0){
- printk("cyc:set_modem_info retval on ttyC%d was %x\n",
- info->line, retval);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ } else {
+ return -ENODEV;
+ }
+ spin_lock_irqsave(&card->card_lock, flags);
+ retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:set_modem_info retval on ttyC%d "
+ "was %x\n", info->line, retval);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
}
- CY_UNLOCK(info, flags);
- }
- return 0;
-} /* cy_tiocmset */
+ return 0;
+} /* cy_tiocmset */
/*
* cy_break() --- routine which turns the break handling on or off
*/
-static void
-cy_break(struct tty_struct *tty, int break_state)
+static int cy_break(struct tty_struct *tty, int break_state)
{
- struct cyclades_port * info = (struct cyclades_port *)tty->driver_data;
- unsigned long flags;
-
- if (serial_paranoia_check(info, tty->name, "cy_break"))
- return;
-
- CY_LOCK(info, flags);
- if (!IS_CYC_Z(cy_card[info->card])) {
- /* Let the transmit ISR take care of this (since it
- requires stuffing characters into the output stream).
- */
- if (break_state == -1) {
- if (!info->breakon) {
- info->breakon = 1;
- if (!info->xmit_cnt) {
- CY_UNLOCK(info, flags);
- start_xmit(info);
- CY_LOCK(info, flags);
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
+ unsigned long flags;
+ int retval = 0;
+
+ if (serial_paranoia_check(info, tty->name, "cy_break"))
+ return -EINVAL;
+
+ card = info->card;
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ if (!cy_is_Z(card)) {
+ /* Let the transmit ISR take care of this (since it
+ requires stuffing characters into the output stream).
+ */
+ if (break_state == -1) {
+ if (!info->breakon) {
+ info->breakon = 1;
+ if (!info->xmit_cnt) {
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ start_xmit(info);
+ spin_lock_irqsave(&card->card_lock, flags);
+ }
+ }
+ } else {
+ if (!info->breakoff) {
+ info->breakoff = 1;
+ if (!info->xmit_cnt) {
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ start_xmit(info);
+ spin_lock_irqsave(&card->card_lock, flags);
+ }
+ }
}
- }
} else {
- if (!info->breakoff) {
- info->breakoff = 1;
- if (!info->xmit_cnt) {
- CY_UNLOCK(info, flags);
- start_xmit(info);
- CY_LOCK(info, flags);
+ if (break_state == -1) {
+ retval = cyz_issue_cmd(card,
+ info->line - card->first_line,
+ C_CM_SET_BREAK, 0L);
+ if (retval != 0) {
+ printk(KERN_ERR "cyc:cy_break (set) retval on "
+ "ttyC%d was %x\n", info->line, retval);
+ }
+ } else {
+ retval = cyz_issue_cmd(card,
+ info->line - card->first_line,
+ C_CM_CLR_BREAK, 0L);
+ if (retval != 0) {
+ printk(KERN_DEBUG "cyc:cy_break (clr) retval "
+ "on ttyC%d was %x\n", info->line,
+ retval);
+ }
}
- }
- }
- } else {
- int retval;
-
- if (break_state == -1) {
- retval = cyz_issue_cmd(&cy_card[info->card],
- (info->line) - (cy_card[info->card].first_line),
- C_CM_SET_BREAK, 0L);
- if (retval != 0) {
- printk("cyc:cy_break (set) retval on ttyC%d was %x\n",
- info->line, retval);
- }
- } else {
- retval = cyz_issue_cmd(&cy_card[info->card],
- (info->line) - (cy_card[info->card].first_line),
- C_CM_CLR_BREAK, 0L);
- if (retval != 0) {
- printk("cyc:cy_break (clr) retval on ttyC%d was %x\n",
- info->line, retval);
- }
}
- }
- CY_UNLOCK(info, flags);
-} /* cy_break */
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ return retval;
+} /* cy_break */
-static int
-get_mon_info(struct cyclades_port * info, struct cyclades_monitor __user * mon)
+static int get_mon_info(struct cyclades_port *info,
+ struct cyclades_monitor __user *mon)
{
- if(copy_to_user(mon, &info->mon, sizeof(struct cyclades_monitor)))
- return -EFAULT;
- info->mon.int_count = 0;
- info->mon.char_count = 0;
- info->mon.char_max = 0;
- info->mon.char_last = 0;
- return 0;
-}/* get_mon_info */
-
+ if (copy_to_user(mon, &info->mon, sizeof(struct cyclades_monitor)))
+ return -EFAULT;
+ info->mon.int_count = 0;
+ info->mon.char_count = 0;
+ info->mon.char_max = 0;
+ info->mon.char_last = 0;
+ return 0;
+} /* get_mon_info */
-static int
-set_threshold(struct cyclades_port * info, unsigned long value)
+static int set_threshold(struct cyclades_port *info, unsigned long value)
{
- void __iomem *base_addr;
- int card,channel,chip,index;
- unsigned long flags;
-
- card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- info->cor3 &= ~CyREC_FIFO;
- info->cor3 |= value & CyREC_FIFO;
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCOR3<<index), info->cor3);
- cyy_issue_cmd(base_addr,CyCOR_CHANGE|CyCOR3ch,index);
- CY_UNLOCK(info, flags);
- } else {
- // Nothing to do!
- }
- return 0;
-}/* set_threshold */
-
+ struct cyclades_card *card;
+ void __iomem *base_addr;
+ int channel, chip, index;
+ unsigned long flags;
-static int
-get_threshold(struct cyclades_port * info, unsigned long __user *value)
-{
- void __iomem *base_addr;
- int card,channel,chip,index;
- unsigned long tmp;
-
- card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- tmp = cy_readb(base_addr+(CyCOR3<<index)) & CyREC_FIFO;
- return put_user(tmp,value);
- } else {
- // Nothing to do!
+ card = info->card;
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr =
+ card->base_addr + (cy_chip_offset[chip] << index);
+
+ info->cor3 &= ~CyREC_FIFO;
+ info->cor3 |= value & CyREC_FIFO;
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCOR3 << index), info->cor3);
+ cyy_issue_cmd(base_addr, CyCOR_CHANGE | CyCOR3ch, index);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
return 0;
- }
-}/* get_threshold */
+} /* set_threshold */
-
-static int
-set_default_threshold(struct cyclades_port * info, unsigned long value)
+static int get_threshold(struct cyclades_port *info,
+ unsigned long __user *value)
{
- info->default_threshold = value & 0x0f;
- return 0;
-}/* set_default_threshold */
+ struct cyclades_card *card;
+ void __iomem *base_addr;
+ int channel, chip, index;
+ unsigned long tmp;
+ card = info->card;
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ tmp = readb(base_addr + (CyCOR3 << index)) & CyREC_FIFO;
+ return put_user(tmp, value);
+ }
+ return 0;
+} /* get_threshold */
-static int
-get_default_threshold(struct cyclades_port * info, unsigned long __user *value)
+static int set_default_threshold(struct cyclades_port *info,
+ unsigned long value)
{
- return put_user(info->default_threshold,value);
-}/* get_default_threshold */
+ info->default_threshold = value & 0x0f;
+ return 0;
+} /* set_default_threshold */
+static int get_default_threshold(struct cyclades_port *info,
+ unsigned long __user *value)
+{
+ return put_user(info->default_threshold, value);
+} /* get_default_threshold */
-static int
-set_timeout(struct cyclades_port * info, unsigned long value)
+static int set_timeout(struct cyclades_port *info, unsigned long value)
{
- void __iomem *base_addr;
- int card,channel,chip,index;
- unsigned long flags;
-
- card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyRTPR<<index), value & 0xff);
- CY_UNLOCK(info, flags);
- } else {
- // Nothing to do!
- }
- return 0;
-}/* set_timeout */
+ struct cyclades_card *card;
+ void __iomem *base_addr;
+ int channel, chip, index;
+ unsigned long flags;
+ card = info->card;
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyRTPR << index), value & 0xff);
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ }
+ return 0;
+} /* set_timeout */
-static int
-get_timeout(struct cyclades_port * info, unsigned long __user *value)
+static int get_timeout(struct cyclades_port *info,
+ unsigned long __user *value)
{
- void __iomem *base_addr;
- int card,channel,chip,index;
- unsigned long tmp;
-
- card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- tmp = cy_readb(base_addr+(CyRTPR<<index));
- return put_user(tmp,value);
- } else {
- // Nothing to do!
- return 0;
- }
-}/* get_timeout */
+ struct cyclades_card *card;
+ void __iomem *base_addr;
+ int channel, chip, index;
+ unsigned long tmp;
+ card = info->card;
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ tmp = readb(base_addr + (CyRTPR << index));
+ return put_user(tmp, value);
+ }
+ return 0;
+} /* get_timeout */
-static int
-set_default_timeout(struct cyclades_port * info, unsigned long value)
+static int set_default_timeout(struct cyclades_port *info, unsigned long value)
{
- info->default_timeout = value & 0xff;
- return 0;
-}/* set_default_timeout */
-
+ info->default_timeout = value & 0xff;
+ return 0;
+} /* set_default_timeout */
-static int
-get_default_timeout(struct cyclades_port * info, unsigned long __user *value)
+static int get_default_timeout(struct cyclades_port *info,
+ unsigned long __user *value)
{
- return put_user(info->default_timeout,value);
-}/* get_default_timeout */
+ return put_user(info->default_timeout, value);
+} /* get_default_timeout */
/*
* This routine allows the tty driver to implement device-
* not recognized by the driver, it should return ENOIOCTLCMD.
*/
static int
-cy_ioctl(struct tty_struct *tty, struct file * file,
- unsigned int cmd, unsigned long arg)
+cy_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
- struct cyclades_port * info = (struct cyclades_port *)tty->driver_data;
- struct cyclades_icount cprev, cnow; /* kernel counter temps */
- struct serial_icounter_struct __user *p_cuser; /* user space */
- int ret_val = 0;
- unsigned long flags;
- void __user *argp = (void __user *)arg;
-
- if (serial_paranoia_check(info, tty->name, "cy_ioctl"))
- return -ENODEV;
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_icount cprev, cnow; /* kernel counter temps */
+ struct serial_icounter_struct __user *p_cuser; /* user space */
+ int ret_val = 0;
+ unsigned long flags;
+ void __user *argp = (void __user *)arg;
+
+ if (serial_paranoia_check(info, tty->name, "cy_ioctl"))
+ return -ENODEV;
#ifdef CY_DEBUG_OTHER
- printk("cyc:cy_ioctl ttyC%d, cmd = %x arg = %lx\n",
- info->line, cmd, arg); /* */
+ printk(KERN_DEBUG "cyc:cy_ioctl ttyC%d, cmd = %x arg = %lx\n",
+ info->line, cmd, arg);
#endif
+ lock_kernel();
- switch (cmd) {
- case CYGETMON:
- ret_val = get_mon_info(info, argp);
- break;
- case CYGETTHRESH:
- ret_val = get_threshold(info, argp);
- break;
- case CYSETTHRESH:
- ret_val = set_threshold(info, arg);
- break;
- case CYGETDEFTHRESH:
- ret_val = get_default_threshold(info, argp);
- break;
- case CYSETDEFTHRESH:
- ret_val = set_default_threshold(info, arg);
- break;
- case CYGETTIMEOUT:
- ret_val = get_timeout(info, argp);
- break;
- case CYSETTIMEOUT:
- ret_val = set_timeout(info, arg);
- break;
- case CYGETDEFTIMEOUT:
- ret_val = get_default_timeout(info, argp);
- break;
- case CYSETDEFTIMEOUT:
- ret_val = set_default_timeout(info, arg);
- break;
+ switch (cmd) {
+ case CYGETMON:
+ ret_val = get_mon_info(info, argp);
+ break;
+ case CYGETTHRESH:
+ ret_val = get_threshold(info, argp);
+ break;
+ case CYSETTHRESH:
+ ret_val = set_threshold(info, arg);
+ break;
+ case CYGETDEFTHRESH:
+ ret_val = get_default_threshold(info, argp);
+ break;
+ case CYSETDEFTHRESH:
+ ret_val = set_default_threshold(info, arg);
+ break;
+ case CYGETTIMEOUT:
+ ret_val = get_timeout(info, argp);
+ break;
+ case CYSETTIMEOUT:
+ ret_val = set_timeout(info, arg);
+ break;
+ case CYGETDEFTIMEOUT:
+ ret_val = get_default_timeout(info, argp);
+ break;
+ case CYSETDEFTIMEOUT:
+ ret_val = set_default_timeout(info, arg);
+ break;
case CYSETRFLOW:
- info->rflow = (int)arg;
- ret_val = 0;
- break;
+ info->rflow = (int)arg;
+ ret_val = 0;
+ break;
case CYGETRFLOW:
- ret_val = info->rflow;
- break;
+ ret_val = info->rflow;
+ break;
case CYSETRTSDTR_INV:
- info->rtsdtr_inv = (int)arg;
- ret_val = 0;
- break;
+ info->rtsdtr_inv = (int)arg;
+ ret_val = 0;
+ break;
case CYGETRTSDTR_INV:
- ret_val = info->rtsdtr_inv;
- break;
- case CYGETCARDINFO:
- if (copy_to_user(argp, &cy_card[info->card],
- sizeof (struct cyclades_card))) {
- ret_val = -EFAULT;
+ ret_val = info->rtsdtr_inv;
break;
- }
- ret_val = 0;
- break;
case CYGETCD1400VER:
- ret_val = info->chip_rev;
- break;
+ ret_val = info->chip_rev;
+ break;
#ifndef CONFIG_CYZ_INTR
case CYZSETPOLLCYCLE:
- cyz_polling_cycle = (arg * HZ) / 1000;
- ret_val = 0;
- break;
+ cyz_polling_cycle = (arg * HZ) / 1000;
+ ret_val = 0;
+ break;
case CYZGETPOLLCYCLE:
- ret_val = (cyz_polling_cycle * 1000) / HZ;
- break;
-#endif /* CONFIG_CYZ_INTR */
+ ret_val = (cyz_polling_cycle * 1000) / HZ;
+ break;
+#endif /* CONFIG_CYZ_INTR */
case CYSETWAIT:
- info->closing_wait = (unsigned short)arg * HZ/100;
- ret_val = 0;
- break;
+ info->port.closing_wait = (unsigned short)arg * HZ / 100;
+ ret_val = 0;
+ break;
case CYGETWAIT:
- ret_val = info->closing_wait / (HZ/100);
- break;
- case TIOCGSERIAL:
- ret_val = get_serial_info(info, argp);
- break;
- case TIOCSSERIAL:
- ret_val = set_serial_info(info, argp);
- break;
- case TIOCSERGETLSR: /* Get line status register */
- ret_val = get_lsr_info(info, argp);
- break;
- /*
- * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
- * - mask passed in arg for lines of interest
- * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
- * Caller should use TIOCGICOUNT to see which one it was
- */
+ ret_val = info->port.closing_wait / (HZ / 100);
+ break;
+ case TIOCGSERIAL:
+ ret_val = get_serial_info(info, argp);
+ break;
+ case TIOCSSERIAL:
+ ret_val = set_serial_info(info, argp);
+ break;
+ case TIOCSERGETLSR: /* Get line status register */
+ ret_val = get_lsr_info(info, argp);
+ break;
+ /*
+ * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
+ * - mask passed in arg for lines of interest
+ * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
+ * Caller should use TIOCGICOUNT to see which one it was
+ */
case TIOCMIWAIT:
- CY_LOCK(info, flags);
- /* note the counters on entry */
- cprev = info->icount;
- CY_UNLOCK(info, flags);
- while (1) {
- interruptible_sleep_on(&info->delta_msr_wait);
- /* see if a signal did it */
- if (signal_pending(current)) {
- return -ERESTARTSYS;
- }
-
- CY_LOCK(info, flags);
- cnow = info->icount; /* atomic copy */
- CY_UNLOCK(info, flags);
-
- if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
- cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) {
- return -EIO; /* no change => error */
- }
- if ( ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
- ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
- ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
- ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)) ) {
- return 0;
- }
- cprev = cnow;
- }
- /* NOTREACHED */
+ spin_lock_irqsave(&info->card->card_lock, flags);
+ /* note the counters on entry */
+ cnow = info->icount;
+ spin_unlock_irqrestore(&info->card->card_lock, flags);
+ ret_val = wait_event_interruptible(info->delta_msr_wait, ({
+ cprev = cnow;
+ spin_lock_irqsave(&info->card->card_lock, flags);
+ cnow = info->icount; /* atomic copy */
+ spin_unlock_irqrestore(&info->card->card_lock, flags);
+
+ ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
+ ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
+ ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
+ ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts));
+ }));
+ break;
- /*
- * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
- * Return: write counters to the user passed counter struct
- * NB: both 1->0 and 0->1 transitions are counted except for
- * RI where only 0->1 is counted.
- */
+ /*
+ * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
+ * Return: write counters to the user passed counter struct
+ * NB: both 1->0 and 0->1 transitions are counted except for
+ * RI where only 0->1 is counted.
+ */
case TIOCGICOUNT:
- CY_LOCK(info, flags);
- cnow = info->icount;
- CY_UNLOCK(info, flags);
- p_cuser = argp;
- ret_val = put_user(cnow.cts, &p_cuser->cts);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.dsr, &p_cuser->dsr);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.rng, &p_cuser->rng);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.dcd, &p_cuser->dcd);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.rx, &p_cuser->rx);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.tx, &p_cuser->tx);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.frame, &p_cuser->frame);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.overrun, &p_cuser->overrun);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.parity, &p_cuser->parity);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.brk, &p_cuser->brk);
- if (ret_val) return ret_val;
- ret_val = put_user(cnow.buf_overrun, &p_cuser->buf_overrun);
- if (ret_val) return ret_val;
- ret_val = 0;
- break;
- default:
- ret_val = -ENOIOCTLCMD;
- }
+ spin_lock_irqsave(&info->card->card_lock, flags);
+ cnow = info->icount;
+ spin_unlock_irqrestore(&info->card->card_lock, flags);
+ p_cuser = argp;
+ ret_val = put_user(cnow.cts, &p_cuser->cts);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.dsr, &p_cuser->dsr);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.rng, &p_cuser->rng);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.dcd, &p_cuser->dcd);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.rx, &p_cuser->rx);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.tx, &p_cuser->tx);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.frame, &p_cuser->frame);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.overrun, &p_cuser->overrun);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.parity, &p_cuser->parity);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.brk, &p_cuser->brk);
+ if (ret_val)
+ break;
+ ret_val = put_user(cnow.buf_overrun, &p_cuser->buf_overrun);
+ if (ret_val)
+ break;
+ ret_val = 0;
+ break;
+ default:
+ ret_val = -ENOIOCTLCMD;
+ }
+ unlock_kernel();
#ifdef CY_DEBUG_OTHER
- printk(" cyc:cy_ioctl done\n");
+ printk(KERN_DEBUG "cyc:cy_ioctl done\n");
#endif
-
- return ret_val;
-} /* cy_ioctl */
-
+ return ret_val;
+} /* cy_ioctl */
/*
* This routine allows the tty driver to be notified when
* well-designed tty driver should be prepared to accept the case
* where old == NULL, and try to do something rational.
*/
-static void
-cy_set_termios(struct tty_struct *tty, struct termios * old_termios)
+static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
+ struct cyclades_port *info = tty->driver_data;
#ifdef CY_DEBUG_OTHER
- printk("cyc:cy_set_termios ttyC%d\n", info->line);
+ printk(KERN_DEBUG "cyc:cy_set_termios ttyC%d\n", info->line);
#endif
- if ((tty->termios->c_cflag == old_termios->c_cflag) &&
- ((tty->termios->c_iflag & (IXON|IXANY)) ==
- (old_termios->c_iflag & (IXON|IXANY))))
- return;
- set_line_char(info);
-
- if ((old_termios->c_cflag & CRTSCTS) &&
- !(tty->termios->c_cflag & CRTSCTS)) {
- tty->hw_stopped = 0;
- cy_start(tty);
- }
+ set_line_char(info);
+
+ if ((old_termios->c_cflag & CRTSCTS) &&
+ !(tty->termios->c_cflag & CRTSCTS)) {
+ tty->hw_stopped = 0;
+ cy_start(tty);
+ }
#if 0
- /*
- * No need to wake up processes in open wait, since they
- * sample the CLOCAL flag once, and don't recheck it.
- * XXX It's not clear whether the current behavior is correct
- * or not. Hence, this may change.....
- */
- if (!(old_termios->c_cflag & CLOCAL) &&
- (tty->termios->c_cflag & CLOCAL))
- wake_up_interruptible(&info->open_wait);
+ /*
+ * No need to wake up processes in open wait, since they
+ * sample the CLOCAL flag once, and don't recheck it.
+ * XXX It's not clear whether the current behavior is correct
+ * or not. Hence, this may change.....
+ */
+ if (!(old_termios->c_cflag & CLOCAL) &&
+ (tty->termios->c_cflag & CLOCAL))
+ wake_up_interruptible(&info->port.open_wait);
#endif
-
- return;
-} /* cy_set_termios */
+} /* cy_set_termios */
/* This function is used to send a high-priority XON/XOFF character to
the device.
*/
-static void
-cy_send_xchar (struct tty_struct *tty, char ch)
+static void cy_send_xchar(struct tty_struct *tty, char ch)
{
- struct cyclades_port *info = (struct cyclades_port *) tty->driver_data;
- int card, channel;
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
+ int channel;
- if (serial_paranoia_check (info, tty->name, "cy_send_xchar"))
+ if (serial_paranoia_check(info, tty->name, "cy_send_xchar"))
return;
- info->x_char = ch;
+ info->x_char = ch;
if (ch)
- cy_start (tty);
+ cy_start(tty);
card = info->card;
- channel = info->line - cy_card[card].first_line;
+ channel = info->line - card->first_line;
- if (IS_CYC_Z (cy_card[card])) {
- if (ch == STOP_CHAR (tty))
- cyz_issue_cmd (&cy_card[card], channel, C_CM_SENDXOFF, 0L);
- else if (ch == START_CHAR (tty))
- cyz_issue_cmd (&cy_card[card], channel, C_CM_SENDXON, 0L);
+ if (cy_is_Z(card)) {
+ if (ch == STOP_CHAR(tty))
+ cyz_issue_cmd(card, channel, C_CM_SENDXOFF, 0L);
+ else if (ch == START_CHAR(tty))
+ cyz_issue_cmd(card, channel, C_CM_SENDXON, 0L);
}
}
that incoming characters should be throttled because the input
buffers are close to full.
*/
-static void
-cy_throttle(struct tty_struct * tty)
+static void cy_throttle(struct tty_struct *tty)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- unsigned long flags;
- void __iomem *base_addr;
- int card,chip,channel,index;
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
+ unsigned long flags;
+ void __iomem *base_addr;
+ int chip, channel, index;
#ifdef CY_DEBUG_THROTTLE
- char buf[64];
+ char buf[64];
- printk("cyc:throttle %s: %d....ttyC%d\n",
- tty_name(tty, buf),
- tty->ldisc.chars_in_buffer(tty), info->line);
+ printk(KERN_DEBUG "cyc:throttle %s: %ld...ttyC%d\n", tty_name(tty, buf),
+ tty->ldisc.chars_in_buffer(tty), info->line);
#endif
- if (serial_paranoia_check(info, tty->name, "cy_throttle")){
- return;
- }
-
- card = info->card;
-
- if (I_IXOFF(tty)) {
- if (!IS_CYC_Z (cy_card[card]))
- cy_send_xchar (tty, STOP_CHAR (tty));
- else
- info->throttle = 1;
- }
-
- if (tty->termios->c_cflag & CRTSCTS) {
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR);
- } else {
- cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS);
- }
- CY_UNLOCK(info, flags);
- } else {
- info->throttle = 1;
- }
- }
+ if (serial_paranoia_check(info, tty->name, "cy_throttle"))
+ return;
- return;
-} /* cy_throttle */
+ card = info->card;
+ if (I_IXOFF(tty)) {
+ if (!cy_is_Z(card))
+ cy_send_xchar(tty, STOP_CHAR(tty));
+ else
+ info->throttle = 1;
+ }
+
+ if (tty->termios->c_cflag & CRTSCTS) {
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr +
+ (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ ~CyDTR);
+ } else {
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ ~CyRTS);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ } else {
+ info->throttle = 1;
+ }
+ }
+} /* cy_throttle */
/*
* This routine notifies the tty driver that it should signal
* that characters can now be sent to the tty without fear of
* overrunning the input buffers of the line disciplines.
*/
-static void
-cy_unthrottle(struct tty_struct * tty)
+static void cy_unthrottle(struct tty_struct *tty)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- unsigned long flags;
- void __iomem *base_addr;
- int card,chip,channel,index;
+ struct cyclades_port *info = tty->driver_data;
+ struct cyclades_card *card;
+ unsigned long flags;
+ void __iomem *base_addr;
+ int chip, channel, index;
#ifdef CY_DEBUG_THROTTLE
- char buf[64];
-
- printk("cyc:unthrottle %s: %d....ttyC%d\n",
- tty_name(tty, buf),
- tty->ldisc.chars_in_buffer(tty), info->line);
+ char buf[64];
+
+ printk(KERN_DEBUG "cyc:unthrottle %s: %ld...ttyC%d\n",
+ tty_name(tty, buf), tty_chars_in_buffer(tty), info->line);
#endif
- if (serial_paranoia_check(info, tty->name, "cy_unthrottle")){
- return;
- }
+ if (serial_paranoia_check(info, tty->name, "cy_unthrottle"))
+ return;
- if (I_IXOFF(tty)) {
- if (info->x_char)
- info->x_char = 0;
- else
- cy_send_xchar (tty, START_CHAR (tty));
- }
-
- if (tty->termios->c_cflag & CRTSCTS) {
- card = info->card;
- channel = info->line - cy_card[card].first_line;
- if (!IS_CYC_Z(cy_card[card])) {
- chip = channel>>2;
- channel &= 0x03;
- index = cy_card[card].bus_index;
- base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index), (u_char)channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr+(CyMSVR2<<index), CyDTR);
- } else {
- cy_writeb(base_addr+(CyMSVR1<<index), CyRTS);
- }
- CY_UNLOCK(info, flags);
- } else {
- info->throttle = 0;
+ if (I_IXOFF(tty)) {
+ if (info->x_char)
+ info->x_char = 0;
+ else
+ cy_send_xchar(tty, START_CHAR(tty));
}
- }
-
- return;
-} /* cy_unthrottle */
+ if (tty->termios->c_cflag & CRTSCTS) {
+ card = info->card;
+ channel = info->line - card->first_line;
+ if (!cy_is_Z(card)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr +
+ (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR2 << index),
+ CyDTR);
+ } else {
+ cy_writeb(base_addr + (CyMSVR1 << index),
+ CyRTS);
+ }
+ spin_unlock_irqrestore(&card->card_lock, flags);
+ } else {
+ info->throttle = 0;
+ }
+ }
+} /* cy_unthrottle */
/* cy_start and cy_stop provide software output flow control as a
function of XON/XOFF, software CTS, and other such stuff.
*/
-static void
-cy_stop(struct tty_struct *tty)
+static void cy_stop(struct tty_struct *tty)
{
- struct cyclades_card *cinfo;
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- void __iomem *base_addr;
- int chip,channel,index;
- unsigned long flags;
+ struct cyclades_card *cinfo;
+ struct cyclades_port *info = tty->driver_data;
+ void __iomem *base_addr;
+ int chip, channel, index;
+ unsigned long flags;
#ifdef CY_DEBUG_OTHER
- printk("cyc:cy_stop ttyC%d\n", info->line); /* */
+ printk(KERN_DEBUG "cyc:cy_stop ttyC%d\n", info->line);
#endif
- if (serial_paranoia_check(info, tty->name, "cy_stop"))
- return;
-
- cinfo = &cy_card[info->card];
- channel = info->line - cinfo->first_line;
- if (!IS_CYC_Z(*cinfo)) {
- index = cinfo->bus_index;
- chip = channel>>2;
- channel &= 0x03;
- base_addr = cy_card[info->card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index),
- (u_char)(channel & 0x0003)); /* index channel */
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy);
- CY_UNLOCK(info, flags);
- } else {
- // Nothing to do!
- }
-
- return;
-} /* cy_stop */
-
-
-static void
-cy_start(struct tty_struct *tty)
-{
- struct cyclades_card *cinfo;
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- void __iomem *base_addr;
- int chip,channel,index;
- unsigned long flags;
+ if (serial_paranoia_check(info, tty->name, "cy_stop"))
+ return;
-#ifdef CY_DEBUG_OTHER
- printk("cyc:cy_start ttyC%d\n", info->line); /* */
-#endif
+ cinfo = info->card;
+ channel = info->line - cinfo->first_line;
+ if (!cy_is_Z(cinfo)) {
+ index = cinfo->bus_index;
+ chip = channel >> 2;
+ channel &= 0x03;
+ base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&cinfo->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char)(channel & 0x0003)); /* index channel */
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) & ~CyTxRdy);
+ spin_unlock_irqrestore(&cinfo->card_lock, flags);
+ }
+} /* cy_stop */
- if (serial_paranoia_check(info, tty->name, "cy_start"))
- return;
-
- cinfo = &cy_card[info->card];
- channel = info->line - cinfo->first_line;
- index = cinfo->bus_index;
- if (!IS_CYC_Z(*cinfo)) {
- chip = channel>>2;
- channel &= 0x03;
- base_addr = cy_card[info->card].base_addr + (cy_chip_offset[chip]<<index);
-
- CY_LOCK(info, flags);
- cy_writeb(base_addr+(CyCAR<<index),
- (u_char)(channel & 0x0003)); /* index channel */
- cy_writeb(base_addr+(CySRER<<index),
- cy_readb(base_addr+(CySRER<<index)) | CyTxRdy);
- CY_UNLOCK(info, flags);
- } else {
- // Nothing to do!
- }
-
- return;
-} /* cy_start */
-
-
-static void
-cy_flush_buffer(struct tty_struct *tty)
+static void cy_start(struct tty_struct *tty)
{
- struct cyclades_port *info = (struct cyclades_port *)tty->driver_data;
- int card, channel, retval;
- unsigned long flags;
-
-#ifdef CY_DEBUG_IO
- printk("cyc:cy_flush_buffer ttyC%d\n", info->line); /* */
-#endif
+ struct cyclades_card *cinfo;
+ struct cyclades_port *info = tty->driver_data;
+ void __iomem *base_addr;
+ int chip, channel, index;
+ unsigned long flags;
- if (serial_paranoia_check(info, tty->name, "cy_flush_buffer"))
- return;
-
- card = info->card;
- channel = (info->line) - (cy_card[card].first_line);
+#ifdef CY_DEBUG_OTHER
+ printk(KERN_DEBUG "cyc:cy_start ttyC%d\n", info->line);
+#endif
- CY_LOCK(info, flags);
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
- CY_UNLOCK(info, flags);
+ if (serial_paranoia_check(info, tty->name, "cy_start"))
+ return;
- if (IS_CYC_Z(cy_card[card])) { /* If it is a Z card, flush the on-board
- buffers as well */
- CY_LOCK(info, flags);
- retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_TX, 0L);
- if (retval != 0) {
- printk("cyc: flush_buffer retval on ttyC%d was %x\n",
- info->line, retval);
+ cinfo = info->card;
+ channel = info->line - cinfo->first_line;
+ index = cinfo->bus_index;
+ if (!cy_is_Z(cinfo)) {
+ chip = channel >> 2;
+ channel &= 0x03;
+ base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index);
+
+ spin_lock_irqsave(&cinfo->card_lock, flags);
+ cy_writeb(base_addr + (CyCAR << index),
+ (u_char) (channel & 0x0003)); /* index channel */
+ cy_writeb(base_addr + (CySRER << index),
+ readb(base_addr + (CySRER << index)) | CyTxRdy);
+ spin_unlock_irqrestore(&cinfo->card_lock, flags);
}
- CY_UNLOCK(info, flags);
- }
- tty_wakeup(tty);
- wake_up_interruptible(&tty->write_wait);
-} /* cy_flush_buffer */
-
+} /* cy_start */
/*
* cy_hangup() --- called by tty_hangup() when a hangup is signaled.
*/
-static void
-cy_hangup(struct tty_struct *tty)
+static void cy_hangup(struct tty_struct *tty)
{
- struct cyclades_port * info = (struct cyclades_port *)tty->driver_data;
-
+ struct cyclades_port *info = tty->driver_data;
+
#ifdef CY_DEBUG_OTHER
- printk("cyc:cy_hangup ttyC%d\n", info->line); /* */
+ printk(KERN_DEBUG "cyc:cy_hangup ttyC%d\n", info->line);
#endif
- if (serial_paranoia_check(info, tty->name, "cy_hangup"))
- return;
+ if (serial_paranoia_check(info, tty->name, "cy_hangup"))
+ return;
- cy_flush_buffer(tty);
- shutdown(info);
- info->event = 0;
- info->count = 0;
+ cy_flush_buffer(tty);
+ shutdown(info);
+ info->port.count = 0;
#ifdef CY_DEBUG_COUNT
- printk("cyc:cy_hangup (%d): setting count to 0\n", current->pid);
+ printk(KERN_DEBUG "cyc:cy_hangup (%d): setting count to 0\n",
+ current->pid);
#endif
- info->tty = NULL;
- info->flags &= ~ASYNC_NORMAL_ACTIVE;
- wake_up_interruptible(&info->open_wait);
-} /* cy_hangup */
-
+ info->port.tty = NULL;
+ info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+ wake_up_interruptible(&info->port.open_wait);
+} /* cy_hangup */
/*
* ---------------------------------------------------------------------
* ---------------------------------------------------------------------
*/
+static int __devinit cy_init_card(struct cyclades_card *cinfo)
+{
+ struct cyclades_port *info;
+ unsigned int port;
+ unsigned short chip_number;
+
+ spin_lock_init(&cinfo->card_lock);
+ cinfo->intr_enabled = 0;
+
+ cinfo->ports = kcalloc(cinfo->nports, sizeof(*cinfo->ports),
+ GFP_KERNEL);
+ if (cinfo->ports == NULL) {
+ printk(KERN_ERR "Cyclades: cannot allocate ports\n");
+ return -ENOMEM;
+ }
+
+ for (port = cinfo->first_line; port < cinfo->first_line + cinfo->nports;
+ port++) {
+ info = &cinfo->ports[port - cinfo->first_line];
+ tty_port_init(&info->port);
+ info->magic = CYCLADES_MAGIC;
+ info->card = cinfo;
+ info->line = port;
+
+ info->port.closing_wait = CLOSING_WAIT_DELAY;
+ info->port.close_delay = 5 * HZ / 10;
+ info->port.flags = STD_COM_FLAGS;
+ init_completion(&info->shutdown_wait);
+ init_waitqueue_head(&info->delta_msr_wait);
+
+ if (cy_is_Z(cinfo)) {
+ info->type = PORT_STARTECH;
+ if (cinfo->hw_ver == ZO_V1)
+ info->xmit_fifo_size = CYZ_FIFO_SIZE;
+ else
+ info->xmit_fifo_size = 4 * CYZ_FIFO_SIZE;
+#ifdef CONFIG_CYZ_INTR
+ setup_timer(&cyz_rx_full_timer[port],
+ cyz_rx_restart, (unsigned long)info);
+#endif
+ } else {
+ int index = cinfo->bus_index;
+ info->type = PORT_CIRRUS;
+ info->xmit_fifo_size = CyMAX_CHAR_FIFO;
+ info->cor1 = CyPARITY_NONE | Cy_1_STOP | Cy_8_BITS;
+ info->cor2 = CyETC;
+ info->cor3 = 0x08; /* _very_ small rcv threshold */
+
+ chip_number = (port - cinfo->first_line) / 4;
+ info->chip_rev = readb(cinfo->base_addr +
+ (cy_chip_offset[chip_number] << index) +
+ (CyGFRCR << index));
+
+ if (info->chip_rev >= CD1400_REV_J) {
+ /* It is a CD1400 rev. J or later */
+ info->tbpr = baud_bpr_60[13]; /* Tx BPR */
+ info->tco = baud_co_60[13]; /* Tx CO */
+ info->rbpr = baud_bpr_60[13]; /* Rx BPR */
+ info->rco = baud_co_60[13]; /* Rx CO */
+ info->rtsdtr_inv = 1;
+ } else {
+ info->tbpr = baud_bpr_25[13]; /* Tx BPR */
+ info->tco = baud_co_25[13]; /* Tx CO */
+ info->rbpr = baud_bpr_25[13]; /* Rx BPR */
+ info->rco = baud_co_25[13]; /* Rx CO */
+ info->rtsdtr_inv = 0;
+ }
+ info->read_status_mask = CyTIMEOUT | CySPECHAR |
+ CyBREAK | CyPARITY | CyFRAME | CyOVERRUN;
+ }
+
+ }
+
+#ifndef CONFIG_CYZ_INTR
+ if (cy_is_Z(cinfo) && !timer_pending(&cyz_timerlist)) {
+ mod_timer(&cyz_timerlist, jiffies + 1);
+#ifdef CY_PCI_DEBUG
+ printk(KERN_DEBUG "Cyclades-Z polling initialized\n");
+#endif
+ }
+#endif
+ return 0;
+}
+
/* initialize chips on Cyclom-Y card -- return number of valid
chips (which is number of ports/4) */
-static unsigned short __init
-cyy_init_card(void __iomem *true_base_addr,int index)
+static unsigned short __devinit cyy_init_card(void __iomem *true_base_addr,
+ int index)
{
- unsigned int chip_number;
- void __iomem *base_addr;
-
- cy_writeb(true_base_addr+(Cy_HwReset<<index), 0);
- /* Cy_HwReset is 0x1400 */
- cy_writeb(true_base_addr+(Cy_ClrIntr<<index), 0);
- /* Cy_ClrIntr is 0x1800 */
- udelay(500L);
-
- for(chip_number=0; chip_number<CyMAX_CHIPS_PER_CARD; chip_number++){
- base_addr = true_base_addr + (cy_chip_offset[chip_number]<<index);
- mdelay(1);
- if(cy_readb(base_addr+(CyCCR<<index)) != 0x00){
- /*************
- printk(" chip #%d at %#6lx is never idle (CCR != 0)\n",
- chip_number, (unsigned long)base_addr);
- *************/
- return chip_number;
- }
-
- cy_writeb(base_addr+(CyGFRCR<<index), 0);
- udelay(10L);
-
- /* The Cyclom-16Y does not decode address bit 9 and therefore
- cannot distinguish between references to chip 0 and a non-
- existent chip 4. If the preceding clearing of the supposed
- chip 4 GFRCR register appears at chip 0, there is no chip 4
- and this must be a Cyclom-16Y, not a Cyclom-32Ye.
- */
- if (chip_number == 4
- && cy_readb(true_base_addr
- + (cy_chip_offset[0]<<index)
- + (CyGFRCR<<index)) == 0){
- return chip_number;
- }
-
- cy_writeb(base_addr+(CyCCR<<index), CyCHIP_RESET);
- mdelay(1);
-
- if(cy_readb(base_addr+(CyGFRCR<<index)) == 0x00){
- /*
- printk(" chip #%d at %#6lx is not responding ",
- chip_number, (unsigned long)base_addr);
- printk("(GFRCR stayed 0)\n",
- */
- return chip_number;
- }
- if((0xf0 & (cy_readb(base_addr+(CyGFRCR<<index)))) != 0x40){
- /*
- printk(" chip #%d at %#6lx is not valid (GFRCR == %#2x)\n",
- chip_number, (unsigned long)base_addr,
- base_addr[CyGFRCR<<index]);
- */
- return chip_number;
- }
- cy_writeb(base_addr+(CyGCR<<index), CyCH0_SERIAL);
- if (cy_readb(base_addr+(CyGFRCR<<index)) >= CD1400_REV_J){
- /* It is a CD1400 rev. J or later */
- /* Impossible to reach 5ms with this chip.
- Changed to 2ms instead (f = 500 Hz). */
- cy_writeb(base_addr+(CyPPR<<index), CyCLOCK_60_2MS);
- } else {
- /* f = 200 Hz */
- cy_writeb(base_addr+(CyPPR<<index), CyCLOCK_25_5MS);
- }
+ unsigned int chip_number;
+ void __iomem *base_addr;
+
+ cy_writeb(true_base_addr + (Cy_HwReset << index), 0);
+ /* Cy_HwReset is 0x1400 */
+ cy_writeb(true_base_addr + (Cy_ClrIntr << index), 0);
+ /* Cy_ClrIntr is 0x1800 */
+ udelay(500L);
+
+ for (chip_number = 0; chip_number < CyMAX_CHIPS_PER_CARD;
+ chip_number++) {
+ base_addr =
+ true_base_addr + (cy_chip_offset[chip_number] << index);
+ mdelay(1);
+ if (readb(base_addr + (CyCCR << index)) != 0x00) {
+ /*************
+ printk(" chip #%d at %#6lx is never idle (CCR != 0)\n",
+ chip_number, (unsigned long)base_addr);
+ *************/
+ return chip_number;
+ }
+
+ cy_writeb(base_addr + (CyGFRCR << index), 0);
+ udelay(10L);
+
+ /* The Cyclom-16Y does not decode address bit 9 and therefore
+ cannot distinguish between references to chip 0 and a non-
+ existent chip 4. If the preceding clearing of the supposed
+ chip 4 GFRCR register appears at chip 0, there is no chip 4
+ and this must be a Cyclom-16Y, not a Cyclom-32Ye.
+ */
+ if (chip_number == 4 && readb(true_base_addr +
+ (cy_chip_offset[0] << index) +
+ (CyGFRCR << index)) == 0) {
+ return chip_number;
+ }
+
+ cy_writeb(base_addr + (CyCCR << index), CyCHIP_RESET);
+ mdelay(1);
+
+ if (readb(base_addr + (CyGFRCR << index)) == 0x00) {
+ /*
+ printk(" chip #%d at %#6lx is not responding ",
+ chip_number, (unsigned long)base_addr);
+ printk("(GFRCR stayed 0)\n",
+ */
+ return chip_number;
+ }
+ if ((0xf0 & (readb(base_addr + (CyGFRCR << index)))) !=
+ 0x40) {
+ /*
+ printk(" chip #%d at %#6lx is not valid (GFRCR == "
+ "%#2x)\n",
+ chip_number, (unsigned long)base_addr,
+ base_addr[CyGFRCR<<index]);
+ */
+ return chip_number;
+ }
+ cy_writeb(base_addr + (CyGCR << index), CyCH0_SERIAL);
+ if (readb(base_addr + (CyGFRCR << index)) >= CD1400_REV_J) {
+ /* It is a CD1400 rev. J or later */
+ /* Impossible to reach 5ms with this chip.
+ Changed to 2ms instead (f = 500 Hz). */
+ cy_writeb(base_addr + (CyPPR << index), CyCLOCK_60_2MS);
+ } else {
+ /* f = 200 Hz */
+ cy_writeb(base_addr + (CyPPR << index), CyCLOCK_25_5MS);
+ }
- /*
- printk(" chip #%d at %#6lx is rev 0x%2x\n",
- chip_number, (unsigned long)base_addr,
- cy_readb(base_addr+(CyGFRCR<<index)));
- */
- }
- return chip_number;
-} /* cyy_init_card */
+ /*
+ printk(" chip #%d at %#6lx is rev 0x%2x\n",
+ chip_number, (unsigned long)base_addr,
+ readb(base_addr+(CyGFRCR<<index)));
+ */
+ }
+ return chip_number;
+} /* cyy_init_card */
/*
* ---------------------------------------------------------------------
* sets global variables and return the number of ISA boards found.
* ---------------------------------------------------------------------
*/
-static int __init
-cy_detect_isa(void)
+static int __init cy_detect_isa(void)
{
#ifdef CONFIG_ISA
- unsigned short cy_isa_irq,nboard;
- void __iomem *cy_isa_address;
- unsigned short i,j,cy_isa_nchan;
+ unsigned short cy_isa_irq, nboard;
+ void __iomem *cy_isa_address;
+ unsigned short i, j, cy_isa_nchan;
#ifdef MODULE
- int isparam = 0;
+ int isparam = 0;
#endif
- nboard = 0;
+ nboard = 0;
#ifdef MODULE
/* Check for module parameters */
- for(i = 0 ; i < NR_CARDS; i++) {
- if (maddr[i] || i) {
- isparam = 1;
- cy_isa_addresses[i] = maddr[i];
- }
- if (!maddr[i])
- break;
+ for (i = 0; i < NR_CARDS; i++) {
+ if (maddr[i] || i) {
+ isparam = 1;
+ cy_isa_addresses[i] = maddr[i];
+ }
+ if (!maddr[i])
+ break;
}
#endif
- /* scan the address table probing for Cyclom-Y/ISA boards */
- for (i = 0 ; i < NR_ISA_ADDRS ; i++) {
- unsigned int isa_address = cy_isa_addresses[i];
- if (isa_address == 0x0000) {
- return(nboard);
- }
-
- /* probe for CD1400... */
- cy_isa_address = ioremap(isa_address, CyISA_Ywin);
- cy_isa_nchan = CyPORTS_PER_CHIP *
- cyy_init_card(cy_isa_address,0);
- if (cy_isa_nchan == 0) {
- continue;
- }
-
+ /* scan the address table probing for Cyclom-Y/ISA boards */
+ for (i = 0; i < NR_ISA_ADDRS; i++) {
+ unsigned int isa_address = cy_isa_addresses[i];
+ if (isa_address == 0x0000)
+ return nboard;
+
+ /* probe for CD1400... */
+ cy_isa_address = ioremap_nocache(isa_address, CyISA_Ywin);
+ if (cy_isa_address == NULL) {
+ printk(KERN_ERR "Cyclom-Y/ISA: can't remap base "
+ "address\n");
+ continue;
+ }
+ cy_isa_nchan = CyPORTS_PER_CHIP *
+ cyy_init_card(cy_isa_address, 0);
+ if (cy_isa_nchan == 0) {
+ iounmap(cy_isa_address);
+ continue;
+ }
#ifdef MODULE
if (isparam && irq[i])
- cy_isa_irq = irq[i];
+ cy_isa_irq = irq[i];
else
#endif
- /* find out the board's irq by probing */
- cy_isa_irq = detect_isa_irq(cy_isa_address);
- if (cy_isa_irq == 0) {
- printk("Cyclom-Y/ISA found at 0x%lx ",
- (unsigned long) cy_isa_address);
- printk("but the IRQ could not be detected.\n");
- continue;
- }
-
- if((cy_next_channel+cy_isa_nchan) > NR_PORTS) {
- printk("Cyclom-Y/ISA found at 0x%lx ",
- (unsigned long) cy_isa_address);
- printk("but no more channels are available.\n");
- printk("Change NR_PORTS in cyclades.c and recompile kernel.\n");
- return(nboard);
- }
- /* fill the next cy_card structure available */
- for (j = 0 ; j < NR_CARDS ; j++) {
- if (cy_card[j].base_addr == 0) break;
- }
- if (j == NR_CARDS) { /* no more cy_cards available */
- printk("Cyclom-Y/ISA found at 0x%lx ",
- (unsigned long) cy_isa_address);
- printk("but no more cards can be used .\n");
- printk("Change NR_CARDS in cyclades.c and recompile kernel.\n");
- return(nboard);
- }
-
- /* allocate IRQ */
- if(request_irq(cy_isa_irq, cyy_interrupt,
- SA_INTERRUPT, "Cyclom-Y", &cy_card[j]))
- {
- printk("Cyclom-Y/ISA found at 0x%lx ",
- (unsigned long) cy_isa_address);
- printk("but could not allocate IRQ#%d.\n",
- cy_isa_irq);
- return(nboard);
- }
-
- /* set cy_card */
- cy_card[j].base_addr = cy_isa_address;
- cy_card[j].ctl_addr = NULL;
- cy_card[j].irq = (int) cy_isa_irq;
- cy_card[j].bus_index = 0;
- cy_card[j].first_line = cy_next_channel;
- cy_card[j].num_chips = cy_isa_nchan/4;
- nboard++;
-
- /* print message */
- printk("Cyclom-Y/ISA #%d: 0x%lx-0x%lx, IRQ%d, ",
- j+1, (unsigned long) cy_isa_address,
- (unsigned long)(cy_isa_address + (CyISA_Ywin - 1)),
- cy_isa_irq);
- printk("%d channels starting from port %d.\n",
- cy_isa_nchan, cy_next_channel);
- cy_next_channel += cy_isa_nchan;
- }
- return(nboard);
+ /* find out the board's irq by probing */
+ cy_isa_irq = detect_isa_irq(cy_isa_address);
+ if (cy_isa_irq == 0) {
+ printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but the "
+ "IRQ could not be detected.\n",
+ (unsigned long)cy_isa_address);
+ iounmap(cy_isa_address);
+ continue;
+ }
+
+ if ((cy_next_channel + cy_isa_nchan) > NR_PORTS) {
+ printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but no "
+ "more channels are available. Change NR_PORTS "
+ "in cyclades.c and recompile kernel.\n",
+ (unsigned long)cy_isa_address);
+ iounmap(cy_isa_address);
+ return nboard;
+ }
+ /* fill the next cy_card structure available */
+ for (j = 0; j < NR_CARDS; j++) {
+ if (cy_card[j].base_addr == NULL)
+ break;
+ }
+ if (j == NR_CARDS) { /* no more cy_cards available */
+ printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but no "
+ "more cards can be used. Change NR_CARDS in "
+ "cyclades.c and recompile kernel.\n",
+ (unsigned long)cy_isa_address);
+ iounmap(cy_isa_address);
+ return nboard;
+ }
+
+ /* allocate IRQ */
+ if (request_irq(cy_isa_irq, cyy_interrupt,
+ IRQF_DISABLED, "Cyclom-Y", &cy_card[j])) {
+ printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but "
+ "could not allocate IRQ#%d.\n",
+ (unsigned long)cy_isa_address, cy_isa_irq);
+ iounmap(cy_isa_address);
+ return nboard;
+ }
+
+ /* set cy_card */
+ cy_card[j].base_addr = cy_isa_address;
+ cy_card[j].ctl_addr.p9050 = NULL;
+ cy_card[j].irq = (int)cy_isa_irq;
+ cy_card[j].bus_index = 0;
+ cy_card[j].first_line = cy_next_channel;
+ cy_card[j].num_chips = cy_isa_nchan / CyPORTS_PER_CHIP;
+ cy_card[j].nports = cy_isa_nchan;
+ if (cy_init_card(&cy_card[j])) {
+ cy_card[j].base_addr = NULL;
+ free_irq(cy_isa_irq, &cy_card[j]);
+ iounmap(cy_isa_address);
+ continue;
+ }
+ nboard++;
+
+ printk(KERN_INFO "Cyclom-Y/ISA #%d: 0x%lx-0x%lx, IRQ%d found: "
+ "%d channels starting from port %d\n",
+ j + 1, (unsigned long)cy_isa_address,
+ (unsigned long)(cy_isa_address + (CyISA_Ywin - 1)),
+ cy_isa_irq, cy_isa_nchan, cy_next_channel);
+
+ for (j = cy_next_channel;
+ j < cy_next_channel + cy_isa_nchan; j++)
+ tty_register_device(cy_serial_driver, j, NULL);
+ cy_next_channel += cy_isa_nchan;
+ }
+ return nboard;
#else
- return(0);
-#endif /* CONFIG_ISA */
-} /* cy_detect_isa */
+ return 0;
+#endif /* CONFIG_ISA */
+} /* cy_detect_isa */
-static void
-plx_init(void __iomem *addr, uclong initctl)
+#ifdef CONFIG_PCI
+static inline int __devinit cyc_isfwstr(const char *str, unsigned int size)
{
- /* Reset PLX */
- cy_writel(addr + initctl, cy_readl(addr + initctl) | 0x40000000);
- udelay(100L);
- cy_writel(addr + initctl, cy_readl(addr + initctl) & ~0x40000000);
-
- /* Reload Config. Registers from EEPROM */
- cy_writel(addr + initctl, cy_readl(addr + initctl) | 0x20000000);
- udelay(100L);
- cy_writel(addr + initctl, cy_readl(addr + initctl) & ~0x20000000);
+ unsigned int a;
+
+ for (a = 0; a < size && *str; a++, str++)
+ if (*str & 0x80)
+ return -EINVAL;
+
+ for (; a < size; a++, str++)
+ if (*str)
+ return -EINVAL;
+
+ return 0;
}
-/*
- * ---------------------------------------------------------------------
- * cy_detect_pci() - Test PCI bus presence and Cyclom-Ye/PCI.
- * sets global variables and return the number of PCI boards found.
- * ---------------------------------------------------------------------
- */
-static int __init
-cy_detect_pci(void)
+static inline void __devinit cyz_fpga_copy(void __iomem *fpga, const u8 *data,
+ unsigned int size)
{
-#ifdef CONFIG_PCI
+ for (; size > 0; size--) {
+ cy_writel(fpga, *data++);
+ udelay(10);
+ }
+}
- struct pci_dev *pdev = NULL;
- unsigned char cyy_rev_id;
- unsigned char cy_pci_irq = 0;
- uclong cy_pci_phys0, cy_pci_phys2;
- void __iomem *cy_pci_addr0, *cy_pci_addr2;
- unsigned short i,j,cy_pci_nchan, plx_ver;
- unsigned short device_id,dev_index = 0;
- uclong mailbox;
- uclong ZeIndex = 0;
- void __iomem *Ze_addr0[NR_CARDS], *Ze_addr2[NR_CARDS];
- uclong Ze_phys0[NR_CARDS], Ze_phys2[NR_CARDS];
- unsigned char Ze_irq[NR_CARDS];
- struct pci_dev *Ze_pdev[NR_CARDS];
-
- for (i = 0; i < NR_CARDS; i++) {
- /* look for a Cyclades card by vendor and device id */
- while((device_id = cy_pci_dev_id[dev_index]) != 0) {
- if((pdev = pci_get_device(PCI_VENDOR_ID_CYCLADES,
- device_id, pdev)) == NULL) {
- dev_index++; /* try next device id */
- } else {
- break; /* found a board */
- }
- }
-
- if (device_id == 0)
- break;
-
- if (pci_enable_device(pdev))
- continue;
-
- /* read PCI configuration area */
- cy_pci_irq = pdev->irq;
- cy_pci_phys0 = pci_resource_start(pdev, 0);
- cy_pci_phys2 = pci_resource_start(pdev, 2);
- pci_read_config_byte(pdev, PCI_REVISION_ID, &cyy_rev_id);
-
- device_id &= ~PCI_DEVICE_ID_MASK;
-
- if ((device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo)
- || (device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi)){
-#ifdef CY_PCI_DEBUG
- printk("Cyclom-Y/PCI (bus=0x0%x, pci_id=0x%x, ",
- pdev->bus->number, pdev->devfn);
- printk("rev_id=%d) IRQ%d\n",
- cyy_rev_id, (int)cy_pci_irq);
- printk("Cyclom-Y/PCI:found winaddr=0x%lx ctladdr=0x%lx\n",
- (ulong)cy_pci_phys2, (ulong)cy_pci_phys0);
-#endif
+static void __devinit plx_init(struct pci_dev *pdev, int irq,
+ struct RUNTIME_9060 __iomem *addr)
+{
+ /* Reset PLX */
+ cy_writel(&addr->init_ctrl, readl(&addr->init_ctrl) | 0x40000000);
+ udelay(100L);
+ cy_writel(&addr->init_ctrl, readl(&addr->init_ctrl) & ~0x40000000);
+
+ /* Reload Config. Registers from EEPROM */
+ cy_writel(&addr->init_ctrl, readl(&addr->init_ctrl) | 0x20000000);
+ udelay(100L);
+ cy_writel(&addr->init_ctrl, readl(&addr->init_ctrl) & ~0x20000000);
+
+ /* For some yet unknown reason, once the PLX9060 reloads the EEPROM,
+ * the IRQ is lost and, thus, we have to re-write it to the PCI config.
+ * registers. This will remain here until we find a permanent fix.
+ */
+ pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, irq);
+}
- if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) {
- printk(" Warning: PCI I/O bit incorrectly set. "
- "Ignoring it...\n");
- pdev->resource[2].flags &= ~IORESOURCE_IO;
+static int __devinit __cyz_load_fw(const struct firmware *fw,
+ const char *name, const u32 mailbox, void __iomem *base,
+ void __iomem *fpga)
+{
+ const void *ptr = fw->data;
+ const struct zfile_header *h = ptr;
+ const struct zfile_config *c, *cs;
+ const struct zfile_block *b, *bs;
+ unsigned int a, tmp, len = fw->size;
+#define BAD_FW KERN_ERR "Bad firmware: "
+ if (len < sizeof(*h)) {
+ printk(BAD_FW "too short: %u<%zu\n", len, sizeof(*h));
+ return -EINVAL;
+ }
+
+ cs = ptr + h->config_offset;
+ bs = ptr + h->block_offset;
+
+ if ((void *)(cs + h->n_config) > ptr + len ||
+ (void *)(bs + h->n_blocks) > ptr + len) {
+ printk(BAD_FW "too short");
+ return -EINVAL;
+ }
+
+ if (cyc_isfwstr(h->name, sizeof(h->name)) ||
+ cyc_isfwstr(h->date, sizeof(h->date))) {
+ printk(BAD_FW "bad formatted header string\n");
+ return -EINVAL;
+ }
+
+ if (strncmp(name, h->name, sizeof(h->name))) {
+ printk(BAD_FW "bad name '%s' (expected '%s')\n", h->name, name);
+ return -EINVAL;
+ }
+
+ tmp = 0;
+ for (c = cs; c < cs + h->n_config; c++) {
+ for (a = 0; a < c->n_blocks; a++)
+ if (c->block_list[a] > h->n_blocks) {
+ printk(BAD_FW "bad block ref number in cfgs\n");
+ return -EINVAL;
+ }
+ if (c->mailbox == mailbox && c->function == 0) /* 0 is normal */
+ tmp++;
+ }
+ if (!tmp) {
+ printk(BAD_FW "nothing appropriate\n");
+ return -EINVAL;
+ }
+
+ for (b = bs; b < bs + h->n_blocks; b++)
+ if (b->file_offset + b->size > len) {
+ printk(BAD_FW "bad block data offset\n");
+ return -EINVAL;
}
- /* Although we don't use this I/O region, we should
- request it from the kernel anyway, to avoid problems
- with other drivers accessing it. */
- if (pci_request_regions(pdev, "Cyclom-Y") != 0) {
- printk(KERN_ERR "cyclades: failed to reserve PCI resources\n");
- continue;
+ /* everything is OK, let's seek'n'load it */
+ for (c = cs; c < cs + h->n_config; c++)
+ if (c->mailbox == mailbox && c->function == 0)
+ break;
+
+ for (a = 0; a < c->n_blocks; a++) {
+ b = &bs[c->block_list[a]];
+ if (b->type == ZBLOCK_FPGA) {
+ if (fpga != NULL)
+ cyz_fpga_copy(fpga, ptr + b->file_offset,
+ b->size);
+ } else {
+ if (base != NULL)
+ memcpy_toio(base + b->ram_offset,
+ ptr + b->file_offset, b->size);
}
+ }
+#undef BAD_FW
+ return 0;
+}
-#if defined(__alpha__)
- if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo) { /* below 1M? */
- printk("Cyclom-Y/PCI (bus=0x0%x, pci_id=0x%x, ",
- pdev->bus->number, pdev->devfn);
- printk("rev_id=%d) IRQ%d\n",
- cyy_rev_id, (int)cy_pci_irq);
- printk("Cyclom-Y/PCI:found winaddr=0x%lx ctladdr=0x%lx\n",
- (ulong)cy_pci_phys2, (ulong)cy_pci_phys0);
- printk("Cyclom-Y/PCI not supported for low addresses in "
- "Alpha systems.\n");
- i--;
- continue;
- }
-#endif
- cy_pci_addr0 = ioremap(cy_pci_phys0, CyPCI_Yctl);
- cy_pci_addr2 = ioremap(cy_pci_phys2, CyPCI_Ywin);
+static int __devinit cyz_load_fw(struct pci_dev *pdev, void __iomem *base_addr,
+ struct RUNTIME_9060 __iomem *ctl_addr, int irq)
+{
+ const struct firmware *fw;
+ struct FIRM_ID __iomem *fid = base_addr + ID_ADDRESS;
+ struct CUSTOM_REG __iomem *cust = base_addr;
+ struct ZFW_CTRL __iomem *pt_zfwctrl;
+ void __iomem *tmp;
+ u32 mailbox, status, nchan;
+ unsigned int i;
+ int retval;
-#ifdef CY_PCI_DEBUG
- printk("Cyclom-Y/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n",
- (u_long)cy_pci_addr2, (u_long)cy_pci_addr0);
-#endif
- cy_pci_nchan = (unsigned short)(CyPORTS_PER_CHIP *
- cyy_init_card(cy_pci_addr2, 1));
- if(cy_pci_nchan == 0) {
- printk("Cyclom-Y PCI host card with ");
- printk("no Serial-Modules at 0x%lx.\n",
- (ulong) cy_pci_phys2);
- i--;
- continue;
- }
- if((cy_next_channel+cy_pci_nchan) > NR_PORTS) {
- printk("Cyclom-Y/PCI found at 0x%lx ",
- (ulong) cy_pci_phys2);
- printk("but no channels are available.\n");
- printk("Change NR_PORTS in cyclades.c and recompile kernel.\n");
- return(i);
- }
- /* fill the next cy_card structure available */
- for (j = 0 ; j < NR_CARDS ; j++) {
- if (cy_card[j].base_addr == 0) break;
- }
- if (j == NR_CARDS) { /* no more cy_cards available */
- printk("Cyclom-Y/PCI found at 0x%lx ",
- (ulong) cy_pci_phys2);
- printk("but no more cards can be used.\n");
- printk("Change NR_CARDS in cyclades.c and recompile kernel.\n");
- return(i);
- }
-
- /* allocate IRQ */
- if(request_irq(cy_pci_irq, cyy_interrupt,
- SA_SHIRQ, "Cyclom-Y", &cy_card[j]))
- {
- printk("Cyclom-Y/PCI found at 0x%lx ",
- (ulong) cy_pci_phys2);
- printk("but could not allocate IRQ%d.\n",
- cy_pci_irq);
- return(i);
- }
-
- /* set cy_card */
- cy_card[j].base_phys = (ulong)cy_pci_phys2;
- cy_card[j].ctl_phys = (ulong)cy_pci_phys0;
- cy_card[j].base_addr = cy_pci_addr2;
- cy_card[j].ctl_addr = cy_pci_addr0;
- cy_card[j].irq = (int) cy_pci_irq;
- cy_card[j].bus_index = 1;
- cy_card[j].first_line = cy_next_channel;
- cy_card[j].num_chips = cy_pci_nchan/4;
- cy_card[j].pdev = pdev;
-
- /* enable interrupts in the PCI interface */
- plx_ver = cy_readb(cy_pci_addr2 + CyPLX_VER) & 0x0f;
- switch (plx_ver) {
- case PLX_9050:
+ retval = request_firmware(&fw, "cyzfirm.bin", &pdev->dev);
+ if (retval) {
+ dev_err(&pdev->dev, "can't get firmware\n");
+ goto err;
+ }
- cy_writeb(cy_pci_addr0+0x4c, 0x43);
- break;
+ /* Check whether the firmware is already loaded and running. If
+ positive, skip this board */
+ if (__cyz_fpga_loaded(ctl_addr) && readl(&fid->signature) == ZFIRM_ID) {
+ u32 cntval = readl(base_addr + 0x190);
+
+ udelay(100);
+ if (cntval != readl(base_addr + 0x190)) {
+ /* FW counter is working, FW is running */
+ dev_dbg(&pdev->dev, "Cyclades-Z FW already loaded. "
+ "Skipping board.\n");
+ retval = 0;
+ goto err_rel;
+ }
+ }
- case PLX_9060:
- case PLX_9080:
- default: /* Old boards, use PLX_9060 */
+ /* start boot */
+ cy_writel(&ctl_addr->intr_ctrl_stat, readl(&ctl_addr->intr_ctrl_stat) &
+ ~0x00030800UL);
- plx_init(cy_pci_addr0, 0x6c);
- /* For some yet unknown reason, once the PLX9060 reloads
- the EEPROM, the IRQ is lost and, thus, we have to
- re-write it to the PCI config. registers.
- This will remain here until we find a permanent fix. */
- pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, cy_pci_irq);
+ mailbox = readl(&ctl_addr->mail_box_0);
- cy_writew(cy_pci_addr0+0x68,
- cy_readw(cy_pci_addr0+0x68)|0x0900);
- break;
+ if (mailbox == 0 || __cyz_fpga_loaded(ctl_addr)) {
+ /* stops CPU and set window to beginning of RAM */
+ cy_writel(&ctl_addr->loc_addr_base, WIN_CREG);
+ cy_writel(&cust->cpu_stop, 0);
+ cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
+ udelay(100);
+ }
+
+ plx_init(pdev, irq, ctl_addr);
+
+ if (mailbox != 0) {
+ /* load FPGA */
+ retval = __cyz_load_fw(fw, "Cyclom-Z", mailbox, NULL,
+ base_addr);
+ if (retval)
+ goto err_rel;
+ if (!__cyz_fpga_loaded(ctl_addr)) {
+ dev_err(&pdev->dev, "fw upload successful, but fw is "
+ "not loaded\n");
+ goto err_rel;
}
+ }
- /* print message */
- printk("Cyclom-Y/PCI #%d: 0x%lx-0x%lx, IRQ%d, ",
- j+1,
- (ulong)cy_pci_phys2,
- (ulong)(cy_pci_phys2 + CyPCI_Ywin - 1),
- (int)cy_pci_irq);
- printk("%d channels starting from port %d.\n",
- cy_pci_nchan, cy_next_channel);
-
- cy_next_channel += cy_pci_nchan;
- }else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo){
- /* print message */
- printk("Cyclades-Z/PCI (bus=0x0%x, pci_id=0x%x, ",
- pdev->bus->number, pdev->devfn);
- printk("rev_id=%d) IRQ%d\n",
- cyy_rev_id, (int)cy_pci_irq);
- printk("Cyclades-Z/PCI: found winaddr=0x%lx ctladdr=0x%lx\n",
- (ulong)cy_pci_phys2, (ulong)cy_pci_phys0);
- printk("Cyclades-Z/PCI not supported for low addresses\n");
- break;
- }else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi){
-#ifdef CY_PCI_DEBUG
- printk("Cyclades-Z/PCI (bus=0x0%x, pci_id=0x%x, ",
- pdev->bus->number, pdev->devfn);
- printk("rev_id=%d) IRQ%d\n",
- cyy_rev_id, (int)cy_pci_irq);
- printk("Cyclades-Z/PCI: found winaddr=0x%lx ctladdr=0x%lx\n",
- (ulong)cy_pci_phys2, (ulong)cy_pci_phys0);
+ /* stops CPU and set window to beginning of RAM */
+ cy_writel(&ctl_addr->loc_addr_base, WIN_CREG);
+ cy_writel(&cust->cpu_stop, 0);
+ cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
+ udelay(100);
+
+ /* clear memory */
+ for (tmp = base_addr; tmp < base_addr + RAM_SIZE; tmp++)
+ cy_writeb(tmp, 255);
+ if (mailbox != 0) {
+ /* set window to last 512K of RAM */
+ cy_writel(&ctl_addr->loc_addr_base, WIN_RAM + RAM_SIZE);
+ for (tmp = base_addr; tmp < base_addr + RAM_SIZE; tmp++)
+ cy_writeb(tmp, 255);
+ /* set window to beginning of RAM */
+ cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
+ }
+
+ retval = __cyz_load_fw(fw, "Cyclom-Z", mailbox, base_addr, NULL);
+ release_firmware(fw);
+ if (retval)
+ goto err;
+
+ /* finish boot and start boards */
+ cy_writel(&ctl_addr->loc_addr_base, WIN_CREG);
+ cy_writel(&cust->cpu_start, 0);
+ cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
+ i = 0;
+ while ((status = readl(&fid->signature)) != ZFIRM_ID && i++ < 40)
+ msleep(100);
+ if (status != ZFIRM_ID) {
+ if (status == ZFIRM_HLT) {
+ dev_err(&pdev->dev, "you need an external power supply "
+ "for this number of ports. Firmware halted and "
+ "board reset.\n");
+ retval = -EIO;
+ goto err;
+ }
+ dev_warn(&pdev->dev, "fid->signature = 0x%x... Waiting "
+ "some more time\n", status);
+ while ((status = readl(&fid->signature)) != ZFIRM_ID &&
+ i++ < 200)
+ msleep(100);
+ if (status != ZFIRM_ID) {
+ dev_err(&pdev->dev, "Board not started in 20 seconds! "
+ "Giving up. (fid->signature = 0x%x)\n",
+ status);
+ dev_info(&pdev->dev, "*** Warning ***: if you are "
+ "upgrading the FW, please power cycle the "
+ "system before loading the new FW to the "
+ "Cyclades-Z.\n");
+
+ if (__cyz_fpga_loaded(ctl_addr))
+ plx_init(pdev, irq, ctl_addr);
+
+ retval = -EIO;
+ goto err;
+ }
+ dev_dbg(&pdev->dev, "Firmware started after %d seconds.\n",
+ i / 10);
+ }
+ pt_zfwctrl = base_addr + readl(&fid->zfwctrl_addr);
+
+ dev_dbg(&pdev->dev, "fid=> %p, zfwctrl_addr=> %x, npt_zfwctrl=> %p\n",
+ base_addr + ID_ADDRESS, readl(&fid->zfwctrl_addr),
+ base_addr + readl(&fid->zfwctrl_addr));
+
+ nchan = readl(&pt_zfwctrl->board_ctrl.n_channel);
+ dev_info(&pdev->dev, "Cyclades-Z FW loaded: version = %x, ports = %u\n",
+ readl(&pt_zfwctrl->board_ctrl.fw_version), nchan);
+
+ if (nchan == 0) {
+ dev_warn(&pdev->dev, "no Cyclades-Z ports were found. Please "
+ "check the connection between the Z host card and the "
+ "serial expanders.\n");
+
+ if (__cyz_fpga_loaded(ctl_addr))
+ plx_init(pdev, irq, ctl_addr);
+
+ dev_info(&pdev->dev, "Null number of ports detected. Board "
+ "reset.\n");
+ retval = 0;
+ goto err;
+ }
+
+ cy_writel(&pt_zfwctrl->board_ctrl.op_system, C_OS_LINUX);
+ cy_writel(&pt_zfwctrl->board_ctrl.dr_version, DRIVER_VERSION);
+
+ /*
+ Early firmware failed to start looking for commands.
+ This enables firmware interrupts for those commands.
+ */
+ cy_writel(&ctl_addr->intr_ctrl_stat, readl(&ctl_addr->intr_ctrl_stat) |
+ (1 << 17));
+ cy_writel(&ctl_addr->intr_ctrl_stat, readl(&ctl_addr->intr_ctrl_stat) |
+ 0x00030800UL);
+
+ return nchan;
+err_rel:
+ release_firmware(fw);
+err:
+ return retval;
+}
+
+static int __devinit cy_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ void __iomem *addr0 = NULL, *addr2 = NULL;
+ char *card_name = NULL;
+ u32 uninitialized_var(mailbox);
+ unsigned int device_id, nchan = 0, card_no, i;
+ unsigned char plx_ver;
+ int retval, irq;
+
+ retval = pci_enable_device(pdev);
+ if (retval) {
+ dev_err(&pdev->dev, "cannot enable device\n");
+ goto err;
+ }
+
+ /* read PCI configuration area */
+ irq = pdev->irq;
+ device_id = pdev->device & ~PCI_DEVICE_ID_MASK;
+
+#if defined(__alpha__)
+ if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo) { /* below 1M? */
+ dev_err(&pdev->dev, "Cyclom-Y/PCI not supported for low "
+ "addresses on Alpha systems.\n");
+ retval = -EIO;
+ goto err_dis;
+ }
#endif
- cy_pci_addr0 = ioremap(cy_pci_phys0, CyPCI_Zctl);
+ if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo) {
+ dev_err(&pdev->dev, "Cyclades-Z/PCI not supported for low "
+ "addresses\n");
+ retval = -EIO;
+ goto err_dis;
+ }
- /* Disable interrupts on the PLX before resetting it */
- cy_writew(cy_pci_addr0+0x68,
- cy_readw(cy_pci_addr0+0x68) & ~0x0900);
-
- plx_init(cy_pci_addr0, 0x6c);
- /* For some yet unknown reason, once the PLX9060 reloads
- the EEPROM, the IRQ is lost and, thus, we have to
- re-write it to the PCI config. registers.
- This will remain here until we find a permanent fix. */
- pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, cy_pci_irq);
-
- mailbox = (uclong)cy_readl(&((struct RUNTIME_9060 __iomem *)
- cy_pci_addr0)->mail_box_0);
-
- if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) {
- printk(" Warning: PCI I/O bit incorrectly set. "
- "Ignoring it...\n");
- pdev->resource[2].flags &= ~IORESOURCE_IO;
+ if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) {
+ dev_warn(&pdev->dev, "PCI I/O bit incorrectly set. Ignoring "
+ "it...\n");
+ pdev->resource[2].flags &= ~IORESOURCE_IO;
+ }
+
+ retval = pci_request_regions(pdev, "cyclades");
+ if (retval) {
+ dev_err(&pdev->dev, "failed to reserve resources\n");
+ goto err_dis;
+ }
+
+ retval = -EIO;
+ if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo ||
+ device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) {
+ card_name = "Cyclom-Y";
+
+ addr0 = ioremap_nocache(pci_resource_start(pdev, 0),
+ CyPCI_Yctl);
+ if (addr0 == NULL) {
+ dev_err(&pdev->dev, "can't remap ctl region\n");
+ goto err_reg;
+ }
+ addr2 = ioremap_nocache(pci_resource_start(pdev, 2),
+ CyPCI_Ywin);
+ if (addr2 == NULL) {
+ dev_err(&pdev->dev, "can't remap base region\n");
+ goto err_unmap;
}
- /* Although we don't use this I/O region, we should
- request it from the kernel anyway, to avoid problems
- with other drivers accessing it. */
- if (pci_request_regions(pdev, "Cyclades-Z") != 0) {
- printk(KERN_ERR "cyclades: failed to reserve PCI resources\n");
- continue;
+ nchan = CyPORTS_PER_CHIP * cyy_init_card(addr2, 1);
+ if (nchan == 0) {
+ dev_err(&pdev->dev, "Cyclom-Y PCI host card with no "
+ "Serial-Modules\n");
+ goto err_unmap;
}
-
- if (mailbox == ZE_V1) {
- cy_pci_addr2 = ioremap(cy_pci_phys2, CyPCI_Ze_win);
- if (ZeIndex == NR_CARDS) {
- printk("Cyclades-Ze/PCI found at 0x%lx ",
- (ulong)cy_pci_phys2);
- printk("but no more cards can be used.\n");
- printk("Change NR_CARDS in cyclades.c and recompile kernel.\n");
- } else {
- Ze_phys0[ZeIndex] = cy_pci_phys0;
- Ze_phys2[ZeIndex] = cy_pci_phys2;
- Ze_addr0[ZeIndex] = cy_pci_addr0;
- Ze_addr2[ZeIndex] = cy_pci_addr2;
- Ze_irq[ZeIndex] = cy_pci_irq;
- Ze_pdev[ZeIndex] = pdev;
- ZeIndex++;
- }
- i--;
- continue;
- } else {
- cy_pci_addr2 = ioremap(cy_pci_phys2, CyPCI_Zwin);
+ } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi) {
+ struct RUNTIME_9060 __iomem *ctl_addr;
+
+ ctl_addr = addr0 = ioremap_nocache(pci_resource_start(pdev, 0),
+ CyPCI_Zctl);
+ if (addr0 == NULL) {
+ dev_err(&pdev->dev, "can't remap ctl region\n");
+ goto err_reg;
}
-#ifdef CY_PCI_DEBUG
- printk("Cyclades-Z/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n",
- (ulong)cy_pci_addr2, (ulong)cy_pci_addr0);
- if (mailbox == ZO_V1) {
- cy_writel(&((struct RUNTIME_9060 *)
- (cy_pci_addr0))->loc_addr_base, WIN_CREG);
- PAUSE
- printk("Cyclades-8Zo/PCI: FPGA id %lx, ver %lx\n",
- (ulong)(0xff & cy_readl(&((struct CUSTOM_REG *)
- (cy_pci_addr2))->fpga_id)),
- (ulong)(0xff & cy_readl(&((struct CUSTOM_REG *)
- (cy_pci_addr2))->fpga_version)));
- cy_writel(&((struct RUNTIME_9060 *)
- (cy_pci_addr0))->loc_addr_base, WIN_RAM);
- } else {
- printk("Cyclades-Z/PCI: New Cyclades-Z board. FPGA not loaded\n");
- }
-#endif
- /* The following clears the firmware id word. This ensures
- that the driver will not attempt to talk to the board
- until it has been properly initialized.
- */
- PAUSE
- if ((mailbox == ZO_V1) || (mailbox == ZO_V2))
- cy_writel(cy_pci_addr2 + ID_ADDRESS, 0L);
-
- /* This must be a Cyclades-8Zo/PCI. The extendable
- version will have a different device_id and will
- be allocated its maximum number of ports. */
- cy_pci_nchan = 8;
-
- if((cy_next_channel+cy_pci_nchan) > NR_PORTS) {
- printk("Cyclades-8Zo/PCI found at 0x%lx ",
- (ulong)cy_pci_phys2);
- printk("but no channels are available.\n");
- printk("Change NR_PORTS in cyclades.c and recompile kernel.\n");
- return(i);
- }
-
- /* fill the next cy_card structure available */
- for (j = 0 ; j < NR_CARDS ; j++) {
- if (cy_card[j].base_addr == 0) break;
- }
- if (j == NR_CARDS) { /* no more cy_cards available */
- printk("Cyclades-8Zo/PCI found at 0x%lx ",
- (ulong)cy_pci_phys2);
- printk("but no more cards can be used.\n");
- printk("Change NR_CARDS in cyclades.c and recompile kernel.\n");
- return(i);
- }
+ /* Disable interrupts on the PLX before resetting it */
+ cy_writew(&ctl_addr->intr_ctrl_stat,
+ readw(&ctl_addr->intr_ctrl_stat) & ~0x0900);
-#ifdef CONFIG_CYZ_INTR
- /* allocate IRQ only if board has an IRQ */
- if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) {
- if(request_irq(cy_pci_irq, cyz_interrupt,
- SA_SHIRQ, "Cyclades-Z", &cy_card[j]))
- {
- printk("Cyclom-8Zo/PCI found at 0x%lx ",
- (ulong) cy_pci_phys2);
- printk("but could not allocate IRQ%d.\n",
- cy_pci_irq);
- return(i);
- }
- }
-#endif /* CONFIG_CYZ_INTR */
+ plx_init(pdev, irq, addr0);
+ mailbox = readl(&ctl_addr->mail_box_0);
- /* set cy_card */
- cy_card[j].base_phys = cy_pci_phys2;
- cy_card[j].ctl_phys = cy_pci_phys0;
- cy_card[j].base_addr = cy_pci_addr2;
- cy_card[j].ctl_addr = cy_pci_addr0;
- cy_card[j].irq = (int) cy_pci_irq;
- cy_card[j].bus_index = 1;
- cy_card[j].first_line = cy_next_channel;
- cy_card[j].num_chips = -1;
- cy_card[j].pdev = pdev;
+ addr2 = ioremap_nocache(pci_resource_start(pdev, 2),
+ mailbox == ZE_V1 ? CyPCI_Ze_win : CyPCI_Zwin);
+ if (addr2 == NULL) {
+ dev_err(&pdev->dev, "can't remap base region\n");
+ goto err_unmap;
+ }
- /* print message */
-#ifdef CONFIG_CYZ_INTR
- /* don't report IRQ if board is no IRQ */
- if( (cy_pci_irq != 0) && (cy_pci_irq != 255) )
- printk("Cyclades-8Zo/PCI #%d: 0x%lx-0x%lx, IRQ%d, ",
- j+1,(ulong)cy_pci_phys2,
- (ulong)(cy_pci_phys2 + CyPCI_Zwin - 1),
- (int)cy_pci_irq);
- else
-#endif /* CONFIG_CYZ_INTR */
- printk("Cyclades-8Zo/PCI #%d: 0x%lx-0x%lx, ",
- j+1,(ulong)cy_pci_phys2,
- (ulong)(cy_pci_phys2 + CyPCI_Zwin - 1));
-
- printk("%d channels starting from port %d.\n",
- cy_pci_nchan,cy_next_channel);
- cy_next_channel += cy_pci_nchan;
- }
- }
-
- for (; ZeIndex != 0 && i < NR_CARDS; i++) {
- cy_pci_phys0 = Ze_phys0[0];
- cy_pci_phys2 = Ze_phys2[0];
- cy_pci_addr0 = Ze_addr0[0];
- cy_pci_addr2 = Ze_addr2[0];
- cy_pci_irq = Ze_irq[0];
- pdev = Ze_pdev[0];
- for (j = 0 ; j < ZeIndex-1 ; j++) {
- Ze_phys0[j] = Ze_phys0[j+1];
- Ze_phys2[j] = Ze_phys2[j+1];
- Ze_addr0[j] = Ze_addr0[j+1];
- Ze_addr2[j] = Ze_addr2[j+1];
- Ze_irq[j] = Ze_irq[j+1];
- Ze_pdev[j] = Ze_pdev[j+1];
- }
- ZeIndex--;
- mailbox = (uclong)cy_readl(&((struct RUNTIME_9060 __iomem *)
- cy_pci_addr0)->mail_box_0);
+ if (mailbox == ZE_V1) {
+ card_name = "Cyclades-Ze";
+ } else {
+ card_name = "Cyclades-8Zo";
#ifdef CY_PCI_DEBUG
- printk("Cyclades-Z/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n",
- (ulong)cy_pci_addr2, (ulong)cy_pci_addr0);
- printk("Cyclades-Z/PCI: New Cyclades-Z board. FPGA not loaded\n");
+ if (mailbox == ZO_V1) {
+ cy_writel(&ctl_addr->loc_addr_base, WIN_CREG);
+ dev_info(&pdev->dev, "Cyclades-8Zo/PCI: FPGA "
+ "id %lx, ver %lx\n", (ulong)(0xff &
+ readl(&((struct CUSTOM_REG *)addr2)->
+ fpga_id)), (ulong)(0xff &
+ readl(&((struct CUSTOM_REG *)addr2)->
+ fpga_version)));
+ cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
+ } else {
+ dev_info(&pdev->dev, "Cyclades-Z/PCI: New "
+ "Cyclades-Z board. FPGA not loaded\n");
+ }
#endif
- PAUSE
- /* This must be the new Cyclades-Ze/PCI. */
- cy_pci_nchan = ZE_V1_NPORTS;
-
- if((cy_next_channel+cy_pci_nchan) > NR_PORTS) {
- printk("Cyclades-Ze/PCI found at 0x%lx ",
- (ulong)cy_pci_phys2);
- printk("but no channels are available.\n");
- printk("Change NR_PORTS in cyclades.c and recompile kernel.\n");
- return(i);
- }
-
- /* fill the next cy_card structure available */
- for (j = 0 ; j < NR_CARDS ; j++) {
- if (cy_card[j].base_addr == 0) break;
- }
- if (j == NR_CARDS) { /* no more cy_cards available */
- printk("Cyclades-Ze/PCI found at 0x%lx ",
- (ulong)cy_pci_phys2);
- printk("but no more cards can be used.\n");
- printk("Change NR_CARDS in cyclades.c and recompile kernel.\n");
- return(i);
- }
+ /* The following clears the firmware id word. This
+ ensures that the driver will not attempt to talk to
+ the board until it has been properly initialized.
+ */
+ if ((mailbox == ZO_V1) || (mailbox == ZO_V2))
+ cy_writel(addr2 + ID_ADDRESS, 0L);
+ }
+
+ retval = cyz_load_fw(pdev, addr2, addr0, irq);
+ if (retval <= 0)
+ goto err_unmap;
+ nchan = retval;
+ }
+ if ((cy_next_channel + nchan) > NR_PORTS) {
+ dev_err(&pdev->dev, "Cyclades-8Zo/PCI found, but no "
+ "channels are available. Change NR_PORTS in "
+ "cyclades.c and recompile kernel.\n");
+ goto err_unmap;
+ }
+ /* fill the next cy_card structure available */
+ for (card_no = 0; card_no < NR_CARDS; card_no++) {
+ if (cy_card[card_no].base_addr == NULL)
+ break;
+ }
+ if (card_no == NR_CARDS) { /* no more cy_cards available */
+ dev_err(&pdev->dev, "Cyclades-8Zo/PCI found, but no "
+ "more cards can be used. Change NR_CARDS in "
+ "cyclades.c and recompile kernel.\n");
+ goto err_unmap;
+ }
+
+ if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo ||
+ device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) {
+ /* allocate IRQ */
+ retval = request_irq(irq, cyy_interrupt,
+ IRQF_SHARED, "Cyclom-Y", &cy_card[card_no]);
+ if (retval) {
+ dev_err(&pdev->dev, "could not allocate IRQ\n");
+ goto err_unmap;
+ }
+ cy_card[card_no].num_chips = nchan / CyPORTS_PER_CHIP;
+ } else {
+ cy_card[card_no].hw_ver = mailbox;
+ cy_card[card_no].num_chips = (unsigned int)-1;
#ifdef CONFIG_CYZ_INTR
- /* allocate IRQ only if board has an IRQ */
- if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) {
- if(request_irq(cy_pci_irq, cyz_interrupt,
- SA_SHIRQ, "Cyclades-Z", &cy_card[j]))
- {
- printk("Cyclom-Ze/PCI found at 0x%lx ",
- (ulong) cy_pci_phys2);
- printk("but could not allocate IRQ%d.\n",
- cy_pci_irq);
- return(i);
- }
+ /* allocate IRQ only if board has an IRQ */
+ if (irq != 0 && irq != 255) {
+ retval = request_irq(irq, cyz_interrupt,
+ IRQF_SHARED, "Cyclades-Z",
+ &cy_card[card_no]);
+ if (retval) {
+ dev_err(&pdev->dev, "could not allocate IRQ\n");
+ goto err_unmap;
+ }
}
-#endif /* CONFIG_CYZ_INTR */
+#endif /* CONFIG_CYZ_INTR */
+ }
- /* set cy_card */
- cy_card[j].base_phys = cy_pci_phys2;
- cy_card[j].ctl_phys = cy_pci_phys0;
- cy_card[j].base_addr = cy_pci_addr2;
- cy_card[j].ctl_addr = cy_pci_addr0;
- cy_card[j].irq = (int) cy_pci_irq;
- cy_card[j].bus_index = 1;
- cy_card[j].first_line = cy_next_channel;
- cy_card[j].num_chips = -1;
- cy_card[j].pdev = pdev;
-
- /* print message */
-#ifdef CONFIG_CYZ_INTR
- /* don't report IRQ if board is no IRQ */
- if( (cy_pci_irq != 0) && (cy_pci_irq != 255) )
- printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, IRQ%d, ",
- j+1,(ulong)cy_pci_phys2,
- (ulong)(cy_pci_phys2 + CyPCI_Ze_win - 1),
- (int)cy_pci_irq);
- else
-#endif /* CONFIG_CYZ_INTR */
- printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, ",
- j+1,(ulong)cy_pci_phys2,
- (ulong)(cy_pci_phys2 + CyPCI_Ze_win - 1));
-
- printk("%d channels starting from port %d.\n",
- cy_pci_nchan,cy_next_channel);
- cy_next_channel += cy_pci_nchan;
- }
- if (ZeIndex != 0) {
- printk("Cyclades-Ze/PCI found at 0x%x ",
- (unsigned int) Ze_phys2[0]);
- printk("but no more cards can be used.\n");
- printk("Change NR_CARDS in cyclades.c and recompile kernel.\n");
+ /* set cy_card */
+ cy_card[card_no].base_addr = addr2;
+ cy_card[card_no].ctl_addr.p9050 = addr0;
+ cy_card[card_no].irq = irq;
+ cy_card[card_no].bus_index = 1;
+ cy_card[card_no].first_line = cy_next_channel;
+ cy_card[card_no].nports = nchan;
+ retval = cy_init_card(&cy_card[card_no]);
+ if (retval)
+ goto err_null;
+
+ pci_set_drvdata(pdev, &cy_card[card_no]);
+
+ if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo ||
+ device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) {
+ /* enable interrupts in the PCI interface */
+ plx_ver = readb(addr2 + CyPLX_VER) & 0x0f;
+ switch (plx_ver) {
+ case PLX_9050:
+ cy_writeb(addr0 + 0x4c, 0x43);
+ break;
+
+ case PLX_9060:
+ case PLX_9080:
+ default: /* Old boards, use PLX_9060 */
+ {
+ struct RUNTIME_9060 __iomem *ctl_addr = addr0;
+ plx_init(pdev, irq, ctl_addr);
+ cy_writew(&ctl_addr->intr_ctrl_stat,
+ readw(&ctl_addr->intr_ctrl_stat) | 0x0900);
+ break;
+ }
+ }
}
- return(i);
-#else
- return(0);
-#endif /* ifdef CONFIG_PCI */
-} /* cy_detect_pci */
+ dev_info(&pdev->dev, "%s/PCI #%d found: %d channels starting from "
+ "port %d.\n", card_name, card_no + 1, nchan, cy_next_channel);
+ for (i = cy_next_channel; i < cy_next_channel + nchan; i++)
+ tty_register_device(cy_serial_driver, i, &pdev->dev);
+ cy_next_channel += nchan;
-/*
- * This routine prints out the appropriate serial driver version number
- * and identifies which options were configured into this driver.
- */
-static inline void
-show_version(void)
-{
- char *rcsvers, *rcsdate, *tmp;
- rcsvers = strchr(rcsid, ' '); rcsvers++;
- tmp = strchr(rcsvers, ' '); *tmp++ = '\0';
- rcsdate = strchr(tmp, ' '); rcsdate++;
- tmp = strrchr(rcsdate, ' '); *tmp = '\0';
- printk("Cyclades driver %s %s\n",
- rcsvers, rcsdate);
- printk(" built %s %s\n",
- __DATE__, __TIME__);
-} /* show_version */
-
-static int
-cyclades_get_proc_info(char *buf, char **start, off_t offset, int length,
- int *eof, void *data)
+ return 0;
+err_null:
+ cy_card[card_no].base_addr = NULL;
+ free_irq(irq, &cy_card[card_no]);
+err_unmap:
+ iounmap(addr0);
+ if (addr2)
+ iounmap(addr2);
+err_reg:
+ pci_release_regions(pdev);
+err_dis:
+ pci_disable_device(pdev);
+err:
+ return retval;
+}
+
+static void __devexit cy_pci_remove(struct pci_dev *pdev)
{
- struct cyclades_port *info;
- int i;
- int len=0;
- off_t begin=0;
- off_t pos=0;
- int size;
- __u32 cur_jifs = jiffies;
-
- size = sprintf(buf, "Dev TimeOpen BytesOut IdleOut BytesIn IdleIn Overruns Ldisc\n");
-
- pos += size;
- len += size;
-
- /* Output one line for each known port */
- for (i = 0; i < NR_PORTS && cy_port[i].line >= 0; i++) {
- info = &cy_port[i];
-
- if (info->count)
- size = sprintf(buf+len,
- "%3d %8lu %10lu %8lu %10lu %8lu %9lu %6ld\n",
- info->line,
- JIFFIES_DIFF(info->idle_stats.in_use, cur_jifs) / HZ,
- info->idle_stats.xmit_bytes,
- JIFFIES_DIFF(info->idle_stats.xmit_idle, cur_jifs) / HZ,
- info->idle_stats.recv_bytes,
- JIFFIES_DIFF(info->idle_stats.recv_idle, cur_jifs) / HZ,
- info->idle_stats.overruns,
- (long) info->tty->ldisc.num);
+ struct cyclades_card *cinfo = pci_get_drvdata(pdev);
+ unsigned int i;
+
+ /* non-Z with old PLX */
+ if (!cy_is_Z(cinfo) && (readb(cinfo->base_addr + CyPLX_VER) & 0x0f) ==
+ PLX_9050)
+ cy_writeb(cinfo->ctl_addr.p9050 + 0x4c, 0);
else
- size = sprintf(buf+len,
- "%3d %8lu %10lu %8lu %10lu %8lu %9lu %6ld\n",
- info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L);
- len += size;
- pos = begin + len;
-
- if (pos < offset) {
- len = 0;
- begin = pos;
- }
- if (pos > offset + length)
- goto done;
- }
- *eof = 1;
-done:
- *start = buf + (offset - begin); /* Start of wanted data */
- len -= (offset - begin); /* Start slop */
- if (len > length)
- len = length; /* Ending slop */
- if (len < 0)
- len = 0;
- return len;
+#ifndef CONFIG_CYZ_INTR
+ if (!cy_is_Z(cinfo))
+#endif
+ cy_writew(&cinfo->ctl_addr.p9060->intr_ctrl_stat,
+ readw(&cinfo->ctl_addr.p9060->intr_ctrl_stat) &
+ ~0x0900);
+
+ iounmap(cinfo->base_addr);
+ if (cinfo->ctl_addr.p9050)
+ iounmap(cinfo->ctl_addr.p9050);
+ if (cinfo->irq
+#ifndef CONFIG_CYZ_INTR
+ && !cy_is_Z(cinfo)
+#endif /* CONFIG_CYZ_INTR */
+ )
+ free_irq(cinfo->irq, cinfo);
+ pci_release_regions(pdev);
+
+ cinfo->base_addr = NULL;
+ for (i = cinfo->first_line; i < cinfo->first_line +
+ cinfo->nports; i++)
+ tty_unregister_device(cy_serial_driver, i);
+ cinfo->nports = 0;
+ kfree(cinfo->ports);
}
+static struct pci_driver cy_pci_driver = {
+ .name = "cyclades",
+ .id_table = cy_pci_dev_id,
+ .probe = cy_pci_probe,
+ .remove = __devexit_p(cy_pci_remove)
+};
+#endif
+
+static int cyclades_proc_show(struct seq_file *m, void *v)
+{
+ struct cyclades_port *info;
+ unsigned int i, j;
+ __u32 cur_jifs = jiffies;
+
+ seq_puts(m, "Dev TimeOpen BytesOut IdleOut BytesIn "
+ "IdleIn Overruns Ldisc\n");
+
+ /* Output one line for each known port */
+ for (i = 0; i < NR_CARDS; i++)
+ for (j = 0; j < cy_card[i].nports; j++) {
+ info = &cy_card[i].ports[j];
+
+ if (info->port.count)
+ seq_printf(m, "%3d %8lu %10lu %8lu "
+ "%10lu %8lu %9lu %6ld\n", info->line,
+ (cur_jifs - info->idle_stats.in_use) /
+ HZ, info->idle_stats.xmit_bytes,
+ (cur_jifs - info->idle_stats.xmit_idle)/
+ HZ, info->idle_stats.recv_bytes,
+ (cur_jifs - info->idle_stats.recv_idle)/
+ HZ, info->idle_stats.overruns,
+ /* FIXME: double check locking */
+ (long)info->port.tty->ldisc->ops->num);
+ else
+ seq_printf(m, "%3d %8lu %10lu %8lu "
+ "%10lu %8lu %9lu %6ld\n",
+ info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L);
+ }
+ return 0;
+}
+
+static int cyclades_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, cyclades_proc_show, NULL);
+}
+
+static const struct file_operations cyclades_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = cyclades_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/* The serial driver boot-time initialization code!
Hardware I/O ports are mapped to character special devices on a
first found, first allocated manner. That is, this code searches
extra ports are ignored.
*/
-static struct tty_operations cy_ops = {
- .open = cy_open,
- .close = cy_close,
- .write = cy_write,
- .put_char = cy_put_char,
- .flush_chars = cy_flush_chars,
- .write_room = cy_write_room,
- .chars_in_buffer = cy_chars_in_buffer,
- .flush_buffer = cy_flush_buffer,
- .ioctl = cy_ioctl,
- .throttle = cy_throttle,
- .unthrottle = cy_unthrottle,
- .set_termios = cy_set_termios,
- .stop = cy_stop,
- .start = cy_start,
- .hangup = cy_hangup,
- .break_ctl = cy_break,
- .wait_until_sent = cy_wait_until_sent,
- .read_proc = cyclades_get_proc_info,
- .tiocmget = cy_tiocmget,
- .tiocmset = cy_tiocmset,
+static const struct tty_operations cy_ops = {
+ .open = cy_open,
+ .close = cy_close,
+ .write = cy_write,
+ .put_char = cy_put_char,
+ .flush_chars = cy_flush_chars,
+ .write_room = cy_write_room,
+ .chars_in_buffer = cy_chars_in_buffer,
+ .flush_buffer = cy_flush_buffer,
+ .ioctl = cy_ioctl,
+ .throttle = cy_throttle,
+ .unthrottle = cy_unthrottle,
+ .set_termios = cy_set_termios,
+ .stop = cy_stop,
+ .start = cy_start,
+ .hangup = cy_hangup,
+ .break_ctl = cy_break,
+ .wait_until_sent = cy_wait_until_sent,
+ .tiocmget = cy_tiocmget,
+ .tiocmset = cy_tiocmset,
+ .proc_fops = &cyclades_proc_fops,
};
-static int __init
-cy_init(void)
+static int __init cy_init(void)
{
- struct cyclades_port *info;
- struct cyclades_card *cinfo;
- int number_z_boards = 0;
- int board,port,i,index;
- unsigned long mailbox;
- unsigned short chip_number;
- int nports;
-
- cy_serial_driver = alloc_tty_driver(NR_PORTS);
- if (!cy_serial_driver)
- return -ENOMEM;
- show_version();
-
- /* Initialize the tty_driver structure */
-
- cy_serial_driver->owner = THIS_MODULE;
- cy_serial_driver->driver_name = "cyclades";
- cy_serial_driver->name = "ttyC";
- cy_serial_driver->major = CYCLADES_MAJOR;
- cy_serial_driver->minor_start = 0;
- cy_serial_driver->type = TTY_DRIVER_TYPE_SERIAL;
- cy_serial_driver->subtype = SERIAL_TYPE_NORMAL;
- cy_serial_driver->init_termios = tty_std_termios;
- cy_serial_driver->init_termios.c_cflag =
- B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- cy_serial_driver->flags = TTY_DRIVER_REAL_RAW;
- tty_set_operations(cy_serial_driver, &cy_ops);
-
- if (tty_register_driver(cy_serial_driver))
- panic("Couldn't register Cyclades serial driver\n");
-
- for (i = 0; i < NR_CARDS; i++) {
- /* base_addr=0 indicates board not found */
- cy_card[i].base_addr = NULL;
- }
-
- /* the code below is responsible to find the boards. Each different
- type of board has its own detection routine. If a board is found,
- the next cy_card structure available is set by the detection
- routine. These functions are responsible for checking the
- availability of cy_card and cy_port data structures and updating
- the cy_next_channel. */
-
- /* look for isa boards */
- cy_isa_nboard = cy_detect_isa();
-
- /* look for pci boards */
- cy_pci_nboard = cy_detect_pci();
-
- cy_nboard = cy_isa_nboard + cy_pci_nboard;
-
- /* invalidate remaining cy_card structures */
- for (i = 0 ; i < NR_CARDS ; i++) {
- if (cy_card[i].base_addr == 0) {
- cy_card[i].first_line = -1;
- cy_card[i].ctl_addr = NULL;
- cy_card[i].irq = 0;
- cy_card[i].bus_index = 0;
- cy_card[i].first_line = 0;
- cy_card[i].num_chips = 0;
- }
- }
- /* invalidate remaining cy_port structures */
- for (i = cy_next_channel ; i < NR_PORTS ; i++) {
- cy_port[i].line = -1;
- cy_port[i].magic = -1;
- }
-
- /* initialize per-port data structures for each valid board found */
- for (board = 0 ; board < cy_nboard ; board++) {
- cinfo = &cy_card[board];
- if (cinfo->num_chips == -1) { /* Cyclades-Z */
- number_z_boards++;
- mailbox = cy_readl(&((struct RUNTIME_9060 __iomem *)
- cy_card[board].ctl_addr)->mail_box_0);
- nports = (mailbox == ZE_V1) ? ZE_V1_NPORTS : 8;
- cinfo->intr_enabled = 0;
- cinfo->nports = 0; /* Will be correctly set later, after
- Z FW is loaded */
- spin_lock_init(&cinfo->card_lock);
- for (port = cinfo->first_line ;
- port < cinfo->first_line + nports;
- port++)
- {
- info = &cy_port[port];
- info->magic = CYCLADES_MAGIC;
- info->type = PORT_STARTECH;
- info->card = board;
- info->line = port;
- info->chip_rev = 0;
- info->flags = STD_COM_FLAGS;
- info->tty = NULL;
- if (mailbox == ZO_V1)
- info->xmit_fifo_size = CYZ_FIFO_SIZE;
- else
- info->xmit_fifo_size = 4 * CYZ_FIFO_SIZE;
- info->cor1 = 0;
- info->cor2 = 0;
- info->cor3 = 0;
- info->cor4 = 0;
- info->cor5 = 0;
- info->tbpr = 0;
- info->tco = 0;
- info->rbpr = 0;
- info->rco = 0;
- info->custom_divisor = 0;
- info->close_delay = 5*HZ/10;
- info->closing_wait = CLOSING_WAIT_DELAY;
- info->icount.cts = info->icount.dsr =
- info->icount.rng = info->icount.dcd = 0;
- info->icount.rx = info->icount.tx = 0;
- info->icount.frame = info->icount.parity = 0;
- info->icount.overrun = info->icount.brk = 0;
- info->x_char = 0;
- info->event = 0;
- info->count = 0;
- info->blocked_open = 0;
- info->default_threshold = 0;
- info->default_timeout = 0;
- INIT_WORK(&info->tqueue, do_softint, info);
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
- init_waitqueue_head(&info->shutdown_wait);
- init_waitqueue_head(&info->delta_msr_wait);
- /* info->session */
- /* info->pgrp */
- info->read_status_mask = 0;
- /* info->timeout */
- /* Bentson's vars */
- info->jiffies[0] = 0;
- info->jiffies[1] = 0;
- info->jiffies[2] = 0;
- info->rflush_count = 0;
-#ifdef CONFIG_CYZ_INTR
- init_timer(&cyz_rx_full_timer[port]);
- cyz_rx_full_timer[port].function = NULL;
-#endif
- }
- continue;
- }else{ /* Cyclom-Y of some kind*/
- index = cinfo->bus_index;
- spin_lock_init(&cinfo->card_lock);
- cinfo->nports = CyPORTS_PER_CHIP * cinfo->num_chips;
- for (port = cinfo->first_line ;
- port < cinfo->first_line + cinfo->nports ;
- port++)
- {
- info = &cy_port[port];
- info->magic = CYCLADES_MAGIC;
- info->type = PORT_CIRRUS;
- info->card = board;
- info->line = port;
- info->flags = STD_COM_FLAGS;
- info->tty = NULL;
- info->xmit_fifo_size = CyMAX_CHAR_FIFO;
- info->cor1 = CyPARITY_NONE|Cy_1_STOP|Cy_8_BITS;
- info->cor2 = CyETC;
- info->cor3 = 0x08; /* _very_ small rcv threshold */
- info->cor4 = 0;
- info->cor5 = 0;
- info->custom_divisor = 0;
- info->close_delay = 5*HZ/10;
- info->closing_wait = CLOSING_WAIT_DELAY;
- info->icount.cts = info->icount.dsr =
- info->icount.rng = info->icount.dcd = 0;
- info->icount.rx = info->icount.tx = 0;
- info->icount.frame = info->icount.parity = 0;
- info->icount.overrun = info->icount.brk = 0;
- chip_number = (port - cinfo->first_line) / 4;
- if ((info->chip_rev =
- cy_readb(cinfo->base_addr +
- (cy_chip_offset[chip_number]<<index) +
- (CyGFRCR<<index))) >= CD1400_REV_J) {
- /* It is a CD1400 rev. J or later */
- info->tbpr = baud_bpr_60[13]; /* Tx BPR */
- info->tco = baud_co_60[13]; /* Tx CO */
- info->rbpr = baud_bpr_60[13]; /* Rx BPR */
- info->rco = baud_co_60[13]; /* Rx CO */
- info->rflow = 0;
- info->rtsdtr_inv = 1;
- } else {
- info->tbpr = baud_bpr_25[13]; /* Tx BPR */
- info->tco = baud_co_25[13]; /* Tx CO */
- info->rbpr = baud_bpr_25[13]; /* Rx BPR */
- info->rco = baud_co_25[13]; /* Rx CO */
- info->rflow = 0;
- info->rtsdtr_inv = 0;
- }
- info->x_char = 0;
- info->event = 0;
- info->count = 0;
- info->blocked_open = 0;
- info->default_threshold = 0;
- info->default_timeout = 0;
- INIT_WORK(&info->tqueue, do_softint, info);
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
- init_waitqueue_head(&info->shutdown_wait);
- init_waitqueue_head(&info->delta_msr_wait);
- /* info->session */
- /* info->pgrp */
- info->read_status_mask =
- CyTIMEOUT| CySPECHAR| CyBREAK
- | CyPARITY| CyFRAME| CyOVERRUN;
- /* info->timeout */
- }
- }
- }
+ unsigned int nboards;
+ int retval = -ENOMEM;
+
+ cy_serial_driver = alloc_tty_driver(NR_PORTS);
+ if (!cy_serial_driver)
+ goto err;
+
+ printk(KERN_INFO "Cyclades driver " CY_VERSION " (built %s %s)\n",
+ __DATE__, __TIME__);
+
+ /* Initialize the tty_driver structure */
+
+ cy_serial_driver->owner = THIS_MODULE;
+ cy_serial_driver->driver_name = "cyclades";
+ cy_serial_driver->name = "ttyC";
+ cy_serial_driver->major = CYCLADES_MAJOR;
+ cy_serial_driver->minor_start = 0;
+ cy_serial_driver->type = TTY_DRIVER_TYPE_SERIAL;
+ cy_serial_driver->subtype = SERIAL_TYPE_NORMAL;
+ cy_serial_driver->init_termios = tty_std_termios;
+ cy_serial_driver->init_termios.c_cflag =
+ B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+ cy_serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
+ tty_set_operations(cy_serial_driver, &cy_ops);
+
+ retval = tty_register_driver(cy_serial_driver);
+ if (retval) {
+ printk(KERN_ERR "Couldn't register Cyclades serial driver\n");
+ goto err_frtty;
+ }
-#ifndef CONFIG_CYZ_INTR
- if (number_z_boards && !cyz_timeron){
- cyz_timeron++;
- cyz_timerlist.expires = jiffies + 1;
- add_timer(&cyz_timerlist);
-#ifdef CY_PCI_DEBUG
- printk("Cyclades-Z polling initialized\n");
+ /* the code below is responsible to find the boards. Each different
+ type of board has its own detection routine. If a board is found,
+ the next cy_card structure available is set by the detection
+ routine. These functions are responsible for checking the
+ availability of cy_card and cy_port data structures and updating
+ the cy_next_channel. */
+
+ /* look for isa boards */
+ nboards = cy_detect_isa();
+
+#ifdef CONFIG_PCI
+ /* look for pci boards */
+ retval = pci_register_driver(&cy_pci_driver);
+ if (retval && !nboards) {
+ tty_unregister_driver(cy_serial_driver);
+ goto err_frtty;
+ }
#endif
- }
-#endif /* CONFIG_CYZ_INTR */
- return 0;
-
-} /* cy_init */
+ return 0;
+err_frtty:
+ put_tty_driver(cy_serial_driver);
+err:
+ return retval;
+} /* cy_init */
-static void __exit
-cy_cleanup_module(void)
+static void __exit cy_cleanup_module(void)
{
- int i, e1;
+ struct cyclades_card *card;
+ unsigned int i, e1;
#ifndef CONFIG_CYZ_INTR
- if (cyz_timeron){
- cyz_timeron = 0;
- del_timer(&cyz_timerlist);
- }
+ del_timer_sync(&cyz_timerlist);
#endif /* CONFIG_CYZ_INTR */
- if ((e1 = tty_unregister_driver(cy_serial_driver)))
- printk("cyc: failed to unregister Cyclades serial driver(%d)\n",
- e1);
+ e1 = tty_unregister_driver(cy_serial_driver);
+ if (e1)
+ printk(KERN_ERR "failed to unregister Cyclades serial "
+ "driver(%d)\n", e1);
- put_tty_driver(cy_serial_driver);
+#ifdef CONFIG_PCI
+ pci_unregister_driver(&cy_pci_driver);
+#endif
- for (i = 0; i < NR_CARDS; i++) {
- if (cy_card[i].base_addr) {
- iounmap(cy_card[i].base_addr);
- if (cy_card[i].ctl_addr)
- iounmap(cy_card[i].ctl_addr);
- if (cy_card[i].irq
+ for (i = 0; i < NR_CARDS; i++) {
+ card = &cy_card[i];
+ if (card->base_addr) {
+ /* clear interrupt */
+ cy_writeb(card->base_addr + Cy_ClrIntr, 0);
+ iounmap(card->base_addr);
+ if (card->ctl_addr.p9050)
+ iounmap(card->ctl_addr.p9050);
+ if (card->irq
#ifndef CONFIG_CYZ_INTR
- && cy_card[i].num_chips != -1 /* not a Z card */
+ && !cy_is_Z(card)
#endif /* CONFIG_CYZ_INTR */
- )
- free_irq(cy_card[i].irq, &cy_card[i]);
-#ifdef CONFIG_PCI
- if (cy_card[i].pdev)
- pci_release_regions(cy_card[i].pdev);
-#endif
- }
- }
- if (tmp_buf) {
- free_page((unsigned long) tmp_buf);
- tmp_buf = NULL;
- }
+ )
+ free_irq(card->irq, card);
+ for (e1 = card->first_line; e1 < card->first_line +
+ card->nports; e1++)
+ tty_unregister_device(cy_serial_driver, e1);
+ kfree(card->ports);
+ }
+ }
+
+ put_tty_driver(cy_serial_driver);
} /* cy_cleanup_module */
module_init(cy_init);
module_exit(cy_cleanup_module);
MODULE_LICENSE("GPL");
+MODULE_VERSION(CY_VERSION);
+MODULE_ALIAS_CHARDEV_MAJOR(CYCLADES_MAJOR);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff