#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/hdreg.h>
-#include <linux/hdsmart.h>
#include <linux/blkdev.h>
#include <linux/proc_fs.h>
#include <linux/interrupt.h>
#include <asm/byteorder.h>
#include <asm/system.h>
#include <asm/io.h>
-#include <asm/semaphore.h>
#include <asm/mutex.h>
-#if defined(CRIS) || defined(FRV)
+#if defined(CONFIG_CRIS) || defined(CONFIG_FRV)
# define SUPPORT_VLB_SYNC 0
#else
# define SUPPORT_VLB_SYNC 1
#define IDE_FEATURE_OFFSET IDE_ERROR_OFFSET
#define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET
-
-#define IDE_DATA_REG (HWIF(drive)->io_ports[IDE_DATA_OFFSET])
-#define IDE_ERROR_REG (HWIF(drive)->io_ports[IDE_ERROR_OFFSET])
-#define IDE_NSECTOR_REG (HWIF(drive)->io_ports[IDE_NSECTOR_OFFSET])
-#define IDE_SECTOR_REG (HWIF(drive)->io_ports[IDE_SECTOR_OFFSET])
-#define IDE_LCYL_REG (HWIF(drive)->io_ports[IDE_LCYL_OFFSET])
-#define IDE_HCYL_REG (HWIF(drive)->io_ports[IDE_HCYL_OFFSET])
-#define IDE_SELECT_REG (HWIF(drive)->io_ports[IDE_SELECT_OFFSET])
-#define IDE_STATUS_REG (HWIF(drive)->io_ports[IDE_STATUS_OFFSET])
-#define IDE_CONTROL_REG (HWIF(drive)->io_ports[IDE_CONTROL_OFFSET])
-#define IDE_IRQ_REG (HWIF(drive)->io_ports[IDE_IRQ_OFFSET])
-
-#define IDE_FEATURE_REG IDE_ERROR_REG
-#define IDE_COMMAND_REG IDE_STATUS_REG
-#define IDE_ALTSTATUS_REG IDE_CONTROL_REG
-#define IDE_IREASON_REG IDE_NSECTOR_REG
-#define IDE_BCOUNTL_REG IDE_LCYL_REG
-#define IDE_BCOUNTH_REG IDE_HCYL_REG
+#define IDE_ALTSTATUS_OFFSET IDE_CONTROL_OFFSET
+#define IDE_IREASON_OFFSET IDE_NSECTOR_OFFSET
+#define IDE_BCOUNTL_OFFSET IDE_LCYL_OFFSET
+#define IDE_BCOUNTH_OFFSET IDE_HCYL_OFFSET
#define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good))
#define BAD_R_STAT (BUSY_STAT | ERR_STAT)
#define BAD_W_STAT (BAD_R_STAT | WRERR_STAT)
#define BAD_STAT (BAD_R_STAT | DRQ_STAT)
#define DRIVE_READY (READY_STAT | SEEK_STAT)
-#define DATA_READY (DRQ_STAT)
#define BAD_CRC (ABRT_ERR | ICRC_ERR)
#define SATA_NR_PORTS (3) /* 16 possible ?? */
#define SATA_STATUS_OFFSET (0)
-#define SATA_STATUS_REG (HWIF(drive)->sata_scr[SATA_STATUS_OFFSET])
#define SATA_ERROR_OFFSET (1)
-#define SATA_ERROR_REG (HWIF(drive)->sata_scr[SATA_ERROR_OFFSET])
#define SATA_CONTROL_OFFSET (2)
-#define SATA_CONTROL_REG (HWIF(drive)->sata_scr[SATA_CONTROL_OFFSET])
-
-#define SATA_MISC_OFFSET (0)
-#define SATA_MISC_REG (HWIF(drive)->sata_misc[SATA_MISC_OFFSET])
-#define SATA_PHY_OFFSET (1)
-#define SATA_PHY_REG (HWIF(drive)->sata_misc[SATA_PHY_OFFSET])
-#define SATA_IEN_OFFSET (2)
-#define SATA_IEN_REG (HWIF(drive)->sata_misc[SATA_IEN_OFFSET])
/*
* Our Physical Region Descriptor (PRD) table should be large enough
ide_rz1000, ide_trm290,
ide_cmd646, ide_cy82c693, ide_4drives,
ide_pmac, ide_etrax100, ide_acorn,
- ide_au1xxx, ide_forced
+ ide_au1xxx, ide_palm3710
};
typedef u8 hwif_chipset_t;
struct device *dev;
} hw_regs_t;
-struct hwif_s * ide_find_port(unsigned long);
-
-int ide_register_hw(hw_regs_t *, void (*)(struct hwif_s *), int,
- struct hwif_s **);
-
-void ide_setup_ports( hw_regs_t *hw,
- unsigned long base,
- int *offsets,
- unsigned long ctrl,
- unsigned long intr,
- ide_ack_intr_t *ack_intr,
-#if 0
- ide_io_ops_t *iops,
-#endif
- int irq);
+void ide_init_port_data(struct hwif_s *, unsigned int);
+void ide_init_port_hw(struct hwif_s *, hw_regs_t *);
static inline void ide_std_init_ports(hw_regs_t *hw,
unsigned long io_addr,
#define MAX_HWIFS CONFIG_IDE_MAX_HWIFS
#endif
-/* needed on alpha, x86/x86_64, ia64, mips, ppc32 and sh */
-#ifndef IDE_ARCH_OBSOLETE_DEFAULTS
-# define ide_default_io_base(index) (0)
-# define ide_default_irq(base) (0)
-# define ide_init_default_irq(base) (0)
-#endif
-
-#ifdef CONFIG_IDE_ARCH_OBSOLETE_INIT
-static inline void ide_init_hwif_ports(hw_regs_t *hw,
- unsigned long io_addr,
- unsigned long ctl_addr,
- int *irq)
-{
- if (!ctl_addr)
- ide_std_init_ports(hw, io_addr, ide_default_io_ctl(io_addr));
- else
- ide_std_init_ports(hw, io_addr, ctl_addr);
-
- if (irq)
- *irq = 0;
-
- hw->io_ports[IDE_IRQ_OFFSET] = 0;
-
-#ifdef CONFIG_PPC32
- if (ppc_ide_md.ide_init_hwif)
- ppc_ide_md.ide_init_hwif(hw, io_addr, ctl_addr, irq);
-#endif
-}
-#else
-static inline void ide_init_hwif_ports(hw_regs_t *hw,
- unsigned long io_addr,
- unsigned long ctl_addr,
- int *irq)
-{
- if (io_addr || ctl_addr)
- printk(KERN_WARNING "%s: must not be called\n", __FUNCTION__);
-}
-#endif /* CONFIG_IDE_ARCH_OBSOLETE_INIT */
-
/* Currently only m68k, apus and m8xx need it */
#ifndef IDE_ARCH_ACK_INTR
# define ide_ack_intr(hwif) (1)
u8 state; /* retry state */
u8 waiting_for_dma; /* dma currently in progress */
u8 unmask; /* okay to unmask other irqs */
- u8 bswap; /* byte swap data */
u8 noflush; /* don't attempt flushes */
u8 dsc_overlap; /* DSC overlap */
u8 nice1; /* give potential excess bandwidth */
unsigned no_unmask : 1; /* disallow setting unmask bit */
unsigned no_io_32bit : 1; /* disallow enabling 32bit I/O */
unsigned atapi_overlap : 1; /* ATAPI overlap (not supported) */
- unsigned nice0 : 1; /* give obvious excess bandwidth */
- unsigned nice2 : 1; /* give a share in our own bandwidth */
unsigned doorlocking : 1; /* for removable only: door lock/unlock works */
unsigned nodma : 1; /* disallow DMA */
unsigned autotune : 2; /* 0=default, 1=autotune, 2=noautotune */
u8 wcache; /* status of write cache */
u8 acoustic; /* acoustic management */
u8 media; /* disk, cdrom, tape, floppy, ... */
- u8 ctl; /* "normal" value for IDE_CONTROL_REG */
+ u8 ctl; /* "normal" value for Control register */
u8 ready_stat; /* min status value for drive ready */
u8 mult_count; /* current multiple sector setting */
u8 mult_req; /* requested multiple sector setting */
struct ide_port_info;
+struct ide_port_ops {
+ /* host specific initialization of devices on a port */
+ void (*port_init_devs)(struct hwif_s *);
+ /* routine to program host for PIO mode */
+ void (*set_pio_mode)(ide_drive_t *, const u8);
+ /* routine to program host for DMA mode */
+ void (*set_dma_mode)(ide_drive_t *, const u8);
+ /* tweaks hardware to select drive */
+ void (*selectproc)(ide_drive_t *);
+ /* chipset polling based on hba specifics */
+ int (*reset_poll)(ide_drive_t *);
+ /* chipset specific changes to default for device-hba resets */
+ void (*pre_reset)(ide_drive_t *);
+ /* routine to reset controller after a disk reset */
+ void (*resetproc)(ide_drive_t *);
+ /* special host masking for drive selection */
+ void (*maskproc)(ide_drive_t *, int);
+ /* check host's drive quirk list */
+ void (*quirkproc)(ide_drive_t *);
+
+ u8 (*mdma_filter)(ide_drive_t *);
+ u8 (*udma_filter)(ide_drive_t *);
+
+ u8 (*cable_detect)(struct hwif_s *);
+};
+
typedef struct hwif_s {
struct hwif_s *next; /* for linked-list in ide_hwgroup_t */
struct hwif_s *mate; /* other hwif from same PCI chip */
/* task file registers for pata and sata */
unsigned long io_ports[IDE_NR_PORTS];
unsigned long sata_scr[SATA_NR_PORTS];
- unsigned long sata_misc[SATA_NR_PORTS];
ide_drive_t drives[MAX_DRIVES]; /* drive info */
u8 major; /* our major number */
u8 index; /* 0 for ide0; 1 for ide1; ... */
u8 channel; /* for dual-port chips: 0=primary, 1=secondary */
- u8 straight8; /* Alan's straight 8 check */
u8 bus_state; /* power state of the IDE bus */
u32 host_flags;
hwif_chipset_t chipset; /* sub-module for tuning.. */
- struct pci_dev *pci_dev; /* for pci chipsets */
- const struct ide_port_info *cds; /* chipset device struct */
+ struct device *dev;
ide_ack_intr_t *ack_intr;
void (*rw_disk)(ide_drive_t *, struct request *);
-#if 0
- ide_hwif_ops_t *hwifops;
-#else
- /* routine to program host for PIO mode */
- void (*set_pio_mode)(ide_drive_t *, const u8);
- /* routine to program host for DMA mode */
- void (*set_dma_mode)(ide_drive_t *, const u8);
- /* tweaks hardware to select drive */
- void (*selectproc)(ide_drive_t *);
- /* chipset polling based on hba specifics */
- int (*reset_poll)(ide_drive_t *);
- /* chipset specific changes to default for device-hba resets */
- void (*pre_reset)(ide_drive_t *);
- /* routine to reset controller after a disk reset */
- void (*resetproc)(ide_drive_t *);
- /* special host masking for drive selection */
- void (*maskproc)(ide_drive_t *, int);
- /* check host's drive quirk list */
- int (*quirkproc)(ide_drive_t *);
- /* driver soft-power interface */
- int (*busproc)(ide_drive_t *, int);
-#endif
- u8 (*mdma_filter)(ide_drive_t *);
- u8 (*udma_filter)(ide_drive_t *);
-
- void (*fixup)(struct hwif_s *);
+ const struct ide_port_ops *port_ops;
void (*ata_input_data)(ide_drive_t *, void *, u32);
void (*ata_output_data)(ide_drive_t *, void *, u32);
void (*atapi_input_bytes)(ide_drive_t *, void *, u32);
void (*atapi_output_bytes)(ide_drive_t *, void *, u32);
+ void (*dma_host_set)(ide_drive_t *, int);
int (*dma_setup)(ide_drive_t *);
void (*dma_exec_cmd)(ide_drive_t *, u8);
void (*dma_start)(ide_drive_t *);
int (*ide_dma_end)(ide_drive_t *drive);
- int (*ide_dma_on)(ide_drive_t *drive);
- void (*dma_off_quietly)(ide_drive_t *drive);
int (*ide_dma_test_irq)(ide_drive_t *drive);
void (*ide_dma_clear_irq)(ide_drive_t *drive);
- void (*dma_host_on)(ide_drive_t *drive);
- void (*dma_host_off)(ide_drive_t *drive);
void (*dma_lost_irq)(ide_drive_t *drive);
void (*dma_timeout)(ide_drive_t *drive);
unsigned long extra_base; /* extra addr for dma ports */
unsigned extra_ports; /* number of extra dma ports */
- unsigned noprobe : 1; /* don't probe for this interface */
unsigned present : 1; /* this interface exists */
- unsigned hold : 1; /* this interface is always present */
unsigned serialized : 1; /* serialized all channel operation */
unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */
unsigned reset : 1; /* reset after probe */
- unsigned auto_poll : 1; /* supports nop auto-poll */
unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */
- unsigned no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */
unsigned mmio : 1; /* host uses MMIO */
- struct device gendev;
+ struct device gendev;
+ struct device *portdev;
+
struct completion gendev_rel_comp; /* To deal with device release() */
void *hwif_data; /* extra hwif data */
/*
* internal ide interrupt handler type
*/
-typedef ide_startstop_t (ide_pre_handler_t)(ide_drive_t *, struct request *);
typedef ide_startstop_t (ide_handler_t)(ide_drive_t *);
typedef int (ide_expiry_t)(ide_drive_t *);
+/* used by ide-cd, ide-floppy, etc. */
+typedef void (xfer_func_t)(ide_drive_t *, void *, u32);
+
typedef struct hwgroup_s {
/* irq handler, if active */
ide_startstop_t (*handler)(ide_drive_t *);
- /* irq handler, suspended if active */
- ide_startstop_t (*handler_save)(ide_drive_t *);
+
/* BOOL: protects all fields below */
volatile int busy;
/* BOOL: wake us up on timer expiry */
/* ptr to current hwif in linked-list */
ide_hwif_t *hwif;
- /* for pci chipsets */
- struct pci_dev *pci_dev;
-
/* current request */
struct request *rq;
+
/* failsafe timer */
struct timer_list timer;
- /* local copy of current write rq */
- struct request wrq;
/* timeout value during long polls */
unsigned long poll_timeout;
/* queried upon timeouts */
int (*expiry)(ide_drive_t *);
- /* ide_system_bus_speed */
- int pio_clock;
+
int req_gen;
int req_gen_timer;
-
- unsigned char cmd_buf[4];
} ide_hwgroup_t;
typedef struct ide_driver_s ide_driver_t;
int set_pio_mode(ide_drive_t *, int);
int set_using_dma(ide_drive_t *, int);
+/* ATAPI packet command flags */
+enum {
+ /* set when an error is considered normal - no retry (ide-tape) */
+ PC_FLAG_ABORT = (1 << 0),
+ PC_FLAG_SUPPRESS_ERROR = (1 << 1),
+ PC_FLAG_WAIT_FOR_DSC = (1 << 2),
+ PC_FLAG_DMA_OK = (1 << 3),
+ PC_FLAG_DMA_RECOMMENDED = (1 << 4),
+ PC_FLAG_DMA_IN_PROGRESS = (1 << 5),
+ PC_FLAG_DMA_ERROR = (1 << 6),
+ PC_FLAG_WRITING = (1 << 7),
+ /* command timed out */
+ PC_FLAG_TIMEDOUT = (1 << 8),
+};
+
+struct ide_atapi_pc {
+ /* actual packet bytes */
+ u8 c[12];
+ /* incremented on each retry */
+ int retries;
+ int error;
+
+ /* bytes to transfer */
+ int req_xfer;
+ /* bytes actually transferred */
+ int xferred;
+
+ /* data buffer */
+ u8 *buf;
+ /* current buffer position */
+ u8 *cur_pos;
+ int buf_size;
+ /* missing/available data on the current buffer */
+ int b_count;
+
+ /* the corresponding request */
+ struct request *rq;
+
+ unsigned long flags;
+
+ /*
+ * those are more or less driver-specific and some of them are subject
+ * to change/removal later.
+ */
+ u8 pc_buf[256];
+ void (*idefloppy_callback) (ide_drive_t *);
+ ide_startstop_t (*idetape_callback) (ide_drive_t *);
+
+ /* idetape only */
+ struct idetape_bh *bh;
+ char *b_data;
+
+ /* idescsi only for now */
+ struct scatterlist *sg;
+ unsigned int sg_cnt;
+
+ struct scsi_cmnd *scsi_cmd;
+ void (*done) (struct scsi_cmnd *);
+
+ unsigned long timeout;
+};
+
#ifdef CONFIG_IDE_PROC_FS
/*
* configurable drive settings
void proc_ide_create(void);
void proc_ide_destroy(void);
void ide_proc_register_port(ide_hwif_t *);
+void ide_proc_port_register_devices(ide_hwif_t *);
+void ide_proc_unregister_device(ide_drive_t *);
void ide_proc_unregister_port(ide_hwif_t *);
void ide_proc_register_driver(ide_drive_t *, ide_driver_t *);
void ide_proc_unregister_driver(ide_drive_t *, ide_driver_t *);
static inline void proc_ide_create(void) { ; }
static inline void proc_ide_destroy(void) { ; }
static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; }
+static inline void ide_proc_port_register_devices(ide_hwif_t *hwif) { ; }
+static inline void ide_proc_unregister_device(ide_drive_t *drive) { ; }
static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; }
static inline void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { ; }
static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) { ; }
#endif
extern int noautodma;
+ide_hwif_t *ide_find_port_slot(const struct ide_port_info *);
+
+static inline ide_hwif_t *ide_find_port(void)
+{
+ return ide_find_port_slot(NULL);
+}
+
extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs);
int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
int uptodate, int nr_sectors);
extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
-/*
- * Issue ATA command and wait for completion.
- * Use for implementing commands in kernel
- *
- * (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf)
- */
-extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *);
-
enum {
IDE_TFLAG_LBA48 = (1 << 0),
IDE_TFLAG_NO_SELECT_MASK = (1 << 1),
IDE_TFLAG_WRITE = (1 << 15),
IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16),
IDE_TFLAG_IN_DATA = (1 << 17),
+ IDE_TFLAG_CUSTOM_HANDLER = (1 << 18),
+ IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19),
+ IDE_TFLAG_IN_HOB_FEATURE = (1 << 20),
+ IDE_TFLAG_IN_HOB_NSECT = (1 << 21),
+ IDE_TFLAG_IN_HOB_LBAL = (1 << 22),
+ IDE_TFLAG_IN_HOB_LBAM = (1 << 23),
+ IDE_TFLAG_IN_HOB_LBAH = (1 << 24),
+ IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL |
+ IDE_TFLAG_IN_HOB_LBAM |
+ IDE_TFLAG_IN_HOB_LBAH,
+ IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE |
+ IDE_TFLAG_IN_HOB_NSECT |
+ IDE_TFLAG_IN_HOB_LBA,
+ IDE_TFLAG_IN_NSECT = (1 << 25),
+ IDE_TFLAG_IN_LBAL = (1 << 26),
+ IDE_TFLAG_IN_LBAM = (1 << 27),
+ IDE_TFLAG_IN_LBAH = (1 << 28),
+ IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL |
+ IDE_TFLAG_IN_LBAM |
+ IDE_TFLAG_IN_LBAH,
+ IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT |
+ IDE_TFLAG_IN_LBA,
+ IDE_TFLAG_IN_DEVICE = (1 << 29),
+ IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB |
+ IDE_TFLAG_IN_HOB,
+ IDE_TFLAG_TF = IDE_TFLAG_OUT_TF |
+ IDE_TFLAG_IN_TF,
+ IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE |
+ IDE_TFLAG_IN_DEVICE,
+ /* force 16-bit I/O operations */
+ IDE_TFLAG_IO_16BIT = (1 << 30),
+ /* ide_task_t was allocated using kmalloc() */
+ IDE_TFLAG_DYN = (1 << 31),
};
struct ide_taskfile {
};
u32 tf_flags;
int data_phase;
- ide_pre_handler_t *prehandler;
- ide_handler_t *handler;
struct request *rq; /* copy of request */
void *special; /* valid_t generally */
} ide_task_t;
void ide_tf_load(ide_drive_t *, ide_task_t *);
-
-extern u32 ide_read_24(ide_drive_t *);
+void ide_tf_read(ide_drive_t *, ide_task_t *);
extern void SELECT_DRIVE(ide_drive_t *);
extern void SELECT_MASK(ide_drive_t *, int);
void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8);
-/*
- * taskfile io for disks for now...and builds request from ide_ioctl
- */
-extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
+ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
-extern ide_startstop_t set_multmode_intr(ide_drive_t *);
-extern ide_startstop_t set_geometry_intr(ide_drive_t *);
-extern ide_startstop_t recal_intr(ide_drive_t *);
-extern ide_startstop_t task_no_data_intr(ide_drive_t *);
-extern ide_startstop_t task_in_intr(ide_drive_t *);
-extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);
+void task_end_request(ide_drive_t *, struct request *, u8);
int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16);
int ide_no_data_taskfile(ide_drive_t *, ide_task_t *);
extern int system_bus_clock(void);
extern int ide_driveid_update(ide_drive_t *);
-extern int ide_ata66_check(ide_drive_t *, ide_task_t *);
extern int ide_config_drive_speed(ide_drive_t *, u8);
extern u8 eighty_ninty_three (ide_drive_t *);
-extern int set_transfer(ide_drive_t *, ide_task_t *);
extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
void ide_init_disk(struct gendisk *, ide_drive_t *);
-extern int ideprobe_init(void);
-
#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
-extern void ide_scan_pcibus(int scan_direction) __init;
extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name);
#define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME)
#else
void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int, u8 *);
void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
+#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
+void ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *);
+#else
+static inline void ide_hwif_setup_dma(ide_hwif_t *hwif,
+ const struct ide_port_info *d) { }
+#endif
+
extern void default_hwif_iops(ide_hwif_t *);
extern void default_hwif_mmiops(ide_hwif_t *);
extern void default_hwif_transport(ide_hwif_t *);
IDE_HFLAG_SINGLE = (1 << 1),
/* don't use legacy PIO blacklist */
IDE_HFLAG_PIO_NO_BLACKLIST = (1 << 2),
- /* don't use conservative PIO "downgrade" */
- IDE_HFLAG_PIO_NO_DOWNGRADE = (1 << 3),
+ /* set for the second port of QD65xx */
+ IDE_HFLAG_QD_2ND_PORT = (1 << 3),
/* use PIO8/9 for prefetch off/on */
IDE_HFLAG_ABUSE_PREFETCH = (1 << 4),
/* use PIO6/7 for fast-devsel off/on */
IDE_HFLAG_NO_SET_MODE = (1 << 9),
/* trust BIOS for programming chipset/device for DMA */
IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10),
- /* host uses VDMA */
+ /* host uses VDMA (tied with IDE_HFLAG_CS5520 for now) */
IDE_HFLAG_VDMA = (1 << 11),
/* ATAPI DMA is unsupported */
IDE_HFLAG_NO_ATAPI_DMA = (1 << 12),
- /* set if host is a "bootable" controller */
- IDE_HFLAG_BOOTABLE = (1 << 13),
+ /* set if host is a "non-bootable" controller */
+ IDE_HFLAG_NON_BOOTABLE = (1 << 13),
/* host doesn't support DMA */
IDE_HFLAG_NO_DMA = (1 << 14),
/* check if host is PCI IDE device before allowing DMA */
IDE_HFLAG_NO_AUTODMA = (1 << 15),
+ /* don't autotune PIO */
+ IDE_HFLAG_NO_AUTOTUNE = (1 << 16),
/* host is CS5510/CS5520 */
- IDE_HFLAG_CS5520 = (1 << 16),
+ IDE_HFLAG_CS5520 = IDE_HFLAG_VDMA,
/* no LBA48 */
IDE_HFLAG_NO_LBA48 = (1 << 17),
/* no LBA48 DMA */
IDE_HFLAG_IO_32BIT = (1 << 24),
/* unmask IRQs */
IDE_HFLAG_UNMASK_IRQS = (1 << 25),
+ IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 << 26),
+ /* force host out of "simplex" mode */
+ IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28),
+ /* DSC overlap is unsupported */
+ IDE_HFLAG_NO_DSC = (1 << 29),
+ /* never use 32-bit I/O ops */
+ IDE_HFLAG_NO_IO_32BIT = (1 << 30),
+ /* never unmask IRQs */
+ IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31),
};
#ifdef CONFIG_BLK_DEV_OFFBOARD
-# define IDE_HFLAG_OFF_BOARD IDE_HFLAG_BOOTABLE
-#else
# define IDE_HFLAG_OFF_BOARD 0
+#else
+# define IDE_HFLAG_OFF_BOARD IDE_HFLAG_NON_BOOTABLE
#endif
struct ide_port_info {
void (*init_iops)(ide_hwif_t *);
void (*init_hwif)(ide_hwif_t *);
void (*init_dma)(ide_hwif_t *, unsigned long);
- void (*fixup)(ide_hwif_t *);
+
+ const struct ide_port_ops *port_ops;
+
ide_pci_enablebit_t enablebits[2];
hwif_chipset_t chipset;
- unsigned int extra;
u32 host_flags;
u8 pio_mask;
u8 swdma_mask;
return ide_find_dma_mode(drive, XFER_UDMA_6);
}
+void ide_dma_off_quietly(ide_drive_t *);
void ide_dma_off(ide_drive_t *);
+void ide_dma_on(ide_drive_t *);
int ide_set_dma(ide_drive_t *);
+void ide_check_dma_crc(ide_drive_t *);
ide_startstop_t ide_dma_intr(ide_drive_t *);
-#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
-extern int ide_build_sglist(ide_drive_t *, struct request *);
+int ide_build_sglist(ide_drive_t *, struct request *);
+void ide_destroy_dmatable(ide_drive_t *);
+
+#ifdef CONFIG_BLK_DEV_IDEDMA_SFF
extern int ide_build_dmatable(ide_drive_t *, struct request *);
-extern void ide_destroy_dmatable(ide_drive_t *);
-extern int ide_release_dma(ide_hwif_t *);
-extern void ide_setup_dma(ide_hwif_t *, unsigned long, unsigned int);
+int ide_allocate_dma_engine(ide_hwif_t *);
+void ide_release_dma_engine(ide_hwif_t *);
+extern void ide_setup_dma(ide_hwif_t *, unsigned long);
-void ide_dma_host_off(ide_drive_t *);
-void ide_dma_off_quietly(ide_drive_t *);
-void ide_dma_host_on(ide_drive_t *);
-extern int __ide_dma_on(ide_drive_t *);
+void ide_dma_host_set(ide_drive_t *, int);
extern int ide_dma_setup(ide_drive_t *);
extern void ide_dma_start(ide_drive_t *);
extern int __ide_dma_end(ide_drive_t *);
extern void ide_dma_lost_irq(ide_drive_t *);
extern void ide_dma_timeout(ide_drive_t *);
-#endif /* CONFIG_BLK_DEV_IDEDMA_PCI */
+#endif /* CONFIG_BLK_DEV_IDEDMA_SFF */
#else
static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; }
static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; }
static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; }
+static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; }
static inline void ide_dma_off(ide_drive_t *drive) { ; }
+static inline void ide_dma_on(ide_drive_t *drive) { ; }
static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
+static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
#endif /* CONFIG_BLK_DEV_IDEDMA */
-#ifndef CONFIG_BLK_DEV_IDEDMA_PCI
-static inline void ide_release_dma(ide_hwif_t *drive) {;}
+#ifndef CONFIG_BLK_DEV_IDEDMA_SFF
+static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; }
#endif
#ifdef CONFIG_BLK_DEV_IDEACPI
extern void ide_acpi_get_timing(ide_hwif_t *hwif);
extern void ide_acpi_push_timing(ide_hwif_t *hwif);
extern void ide_acpi_init(ide_hwif_t *hwif);
+void ide_acpi_port_init_devices(ide_hwif_t *);
extern void ide_acpi_set_state(ide_hwif_t *hwif, int on);
#else
static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; }
static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; }
static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; }
static inline void ide_acpi_init(ide_hwif_t *hwif) { ; }
+static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; }
static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
#endif
-extern int ide_hwif_request_regions(ide_hwif_t *hwif);
-extern void ide_hwif_release_regions(ide_hwif_t* hwif);
-extern void ide_unregister (unsigned int index);
+void ide_remove_port_from_hwgroup(ide_hwif_t *);
+void ide_unregister(unsigned int);
void ide_register_region(struct gendisk *);
void ide_unregister_region(struct gendisk *);
-void ide_undecoded_slave(ide_hwif_t *);
+void ide_undecoded_slave(ide_drive_t *);
-int ide_device_add(u8 idx[4]);
+int ide_device_add_all(u8 *idx, const struct ide_port_info *);
+int ide_device_add(u8 idx[4], const struct ide_port_info *);
+int ide_legacy_device_add(const struct ide_port_info *, unsigned long);
+void ide_port_unregister_devices(ide_hwif_t *);
+void ide_port_scan(ide_hwif_t *);
static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
{
return 0;
}
+u64 ide_get_lba_addr(struct ide_taskfile *, int);
u8 ide_dump_status(ide_drive_t *, const char *, u8);
typedef struct ide_pio_timings_s {
#define local_irq_set(flags) do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0)
extern struct bus_type ide_bus_type;
+extern struct class *ide_port_class;
/* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */
#define ide_id_has_flush_cache(id) ((id)->cfs_enable_2 & 0x3000)
#define ide_id_has_flush_cache_ext(id) \
(((id)->cfs_enable_2 & 0x2400) == 0x2400)
+static inline void ide_dump_identify(u8 *id)
+{
+ print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0);
+}
+
static inline int hwif_to_node(ide_hwif_t *hwif)
{
- struct pci_dev *dev = hwif->pci_dev;
- return dev ? pcibus_to_node(dev->bus) : -1;
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
+ return hwif->dev ? pcibus_to_node(dev->bus) : -1;
}
static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive)
return &hwif->drives[(drive->dn ^ 1) & 1];
}
+static inline void ide_set_irq(ide_drive_t *drive, int on)
+{
+ ide_hwif_t *hwif = drive->hwif;
+
+ hwif->OUTB(drive->ctl | (on ? 0 : 2),
+ hwif->io_ports[IDE_CONTROL_OFFSET]);
+}
+
+static inline u8 ide_read_status(ide_drive_t *drive)
+{
+ ide_hwif_t *hwif = drive->hwif;
+
+ return hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]);
+}
+
+static inline u8 ide_read_altstatus(ide_drive_t *drive)
+{
+ ide_hwif_t *hwif = drive->hwif;
+
+ return hwif->INB(hwif->io_ports[IDE_CONTROL_OFFSET]);
+}
+
+static inline u8 ide_read_error(ide_drive_t *drive)
+{
+ ide_hwif_t *hwif = drive->hwif;
+
+ return hwif->INB(hwif->io_ports[IDE_ERROR_OFFSET]);
+}
+
+/*
+ * Too bad. The drive wants to send us data which we are not ready to accept.
+ * Just throw it away.
+ */
+static inline void ide_atapi_discard_data(ide_drive_t *drive, unsigned bcount)
+{
+ ide_hwif_t *hwif = drive->hwif;
+
+ /* FIXME: use ->atapi_input_bytes */
+ while (bcount--)
+ (void)hwif->INB(hwif->io_ports[IDE_DATA_OFFSET]);
+}
+
+static inline void ide_atapi_write_zeros(ide_drive_t *drive, unsigned bcount)
+{
+ ide_hwif_t *hwif = drive->hwif;
+
+ /* FIXME: use ->atapi_output_bytes */
+ while (bcount--)
+ hwif->OUTB(0, hwif->io_ports[IDE_DATA_OFFSET]);
+}
+
#endif /* _IDE_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff