diff options
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 74 |
1 files changed, 44 insertions, 30 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index ac4eeb2932ef..4726126f5a59 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -139,6 +139,12 @@ struct ide_io_ports { #define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */ /* + * Op codes for special requests to be handled by ide_special_rq(). + * Values should be in the range of 0x20 to 0x3f. + */ +#define REQ_DRIVE_RESET 0x20 + +/* * Check for an interrupt and acknowledge the interrupt status */ struct hwif_s; @@ -171,7 +177,7 @@ typedef struct hw_regs_s { int irq; /* our irq number */ ide_ack_intr_t *ack_intr; /* acknowledge interrupt */ hwif_chipset_t chipset; - struct device *dev; + struct device *dev, *parent; } hw_regs_t; void ide_init_port_data(struct hwif_s *, unsigned int); @@ -405,8 +411,8 @@ typedef struct ide_drive_s { struct ide_port_info; struct ide_port_ops { - /* host specific initialization of devices on a port */ - void (*port_init_devs)(struct hwif_s *); + /* host specific initialization of a device */ + void (*init_dev)(ide_drive_t *); /* routine to program host for PIO mode */ void (*set_pio_mode)(ide_drive_t *, const u8); /* routine to program host for DMA mode */ @@ -565,8 +571,6 @@ typedef struct hwgroup_s { unsigned int sleeping : 1; /* BOOL: polling active & poll_timeout field valid */ unsigned int polling : 1; - /* BOOL: in a polling reset situation. Must not trigger another reset yet */ - unsigned int resetting : 1; /* current drive */ ide_drive_t *drive; @@ -786,7 +790,6 @@ struct ide_driver_s { ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t); int (*end_request)(ide_drive_t *, int, int); ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8); - ide_startstop_t (*abort)(ide_drive_t *, struct request *rq); struct device_driver gen_driver; int (*probe)(ide_drive_t *); void (*remove)(ide_drive_t *); @@ -801,18 +804,6 @@ struct ide_driver_s { int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long); -/* - * ide_hwifs[] is the master data structure used to keep track - * of just about everything in ide.c. Whenever possible, routines - * should be using pointers to a drive (ide_drive_t *) or - * pointers to a hwif (ide_hwif_t *), rather than indexing this - * structure directly (the allocation/layout may change!). - * - */ -#ifndef _IDE_C -extern ide_hwif_t ide_hwifs[]; /* master data repository */ -#endif - extern int ide_vlb_clk; extern int ide_pci_clk; @@ -840,10 +831,6 @@ ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8); ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat); -ide_startstop_t __ide_abort(ide_drive_t *, struct request *); - -extern ide_startstop_t ide_abort(ide_drive_t *, const char *); - extern void ide_fix_driveid(struct hd_driveid *); extern void ide_fixstring(u8 *, const int, const int); @@ -1271,16 +1258,43 @@ static inline int ide_dev_is_sata(struct hd_driveid *id) 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 { - int setup_time; /* Address setup (ns) minimum */ - int active_time; /* Active pulse (ns) minimum */ - int cycle_time; /* Cycle time (ns) minimum = */ - /* active + recovery (+ setup for some chips) */ -} ide_pio_timings_t; +struct ide_timing { + u8 mode; + u8 setup; /* t1 */ + u16 act8b; /* t2 for 8-bit io */ + u16 rec8b; /* t2i for 8-bit io */ + u16 cyc8b; /* t0 for 8-bit io */ + u16 active; /* t2 or tD */ + u16 recover; /* t2i or tK */ + u16 cycle; /* t0 */ + u16 udma; /* t2CYCTYP/2 */ +}; + +enum { + IDE_TIMING_SETUP = (1 << 0), + IDE_TIMING_ACT8B = (1 << 1), + IDE_TIMING_REC8B = (1 << 2), + IDE_TIMING_CYC8B = (1 << 3), + IDE_TIMING_8BIT = IDE_TIMING_ACT8B | IDE_TIMING_REC8B | + IDE_TIMING_CYC8B, + IDE_TIMING_ACTIVE = (1 << 4), + IDE_TIMING_RECOVER = (1 << 5), + IDE_TIMING_CYCLE = (1 << 6), + IDE_TIMING_UDMA = (1 << 7), + IDE_TIMING_ALL = IDE_TIMING_SETUP | IDE_TIMING_8BIT | + IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER | + IDE_TIMING_CYCLE | IDE_TIMING_UDMA, +}; + +struct ide_timing *ide_timing_find_mode(u8); +u16 ide_pio_cycle_time(ide_drive_t *, u8); +void ide_timing_merge(struct ide_timing *, struct ide_timing *, + struct ide_timing *, unsigned int); +int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int); + +int ide_scan_pio_blacklist(char *); -unsigned int ide_pio_cycle_time(ide_drive_t *, u8); u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8); -extern const ide_pio_timings_t ide_pio_timings[6]; int ide_set_pio_mode(ide_drive_t *, u8); int ide_set_dma_mode(ide_drive_t *, u8); |