diff options
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 81736cb7ef3..85d448b4abe 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -634,7 +634,7 @@ typedef struct ide_drive_s { unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */ unsigned int cyl; /* "real" number of cyls */ - unsigned int drive_data; /* use by tuneproc/selectproc */ + unsigned int drive_data; /* used by set_pio_mode/selectproc */ unsigned int failures; /* current failure count */ unsigned int max_failures; /* maximum allowed failure count */ u64 probed_capacity;/* initial reported media capacity (ide-cd only currently) */ @@ -702,8 +702,8 @@ typedef struct hwif_s { #if 0 ide_hwif_ops_t *hwifops; #else - /* routine to tune PIO mode for drives */ - void (*tuneproc)(ide_drive_t *, u8); + /* routine to set PIO mode for drives */ + void (*set_pio_mode)(ide_drive_t *, const u8); /* routine to retune DMA modes for drives */ int (*speedproc)(ide_drive_t *, const u8); /* tweaks hardware to select drive */ @@ -1256,6 +1256,12 @@ enum { IDE_HFLAG_PIO_NO_BLACKLIST = (1 << 2), /* don't use conservative PIO "downgrade" */ IDE_HFLAG_PIO_NO_DOWNGRADE = (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_ABUSE_FAST_DEVSEL = (1 << 5), + /* use 100-102 and 200-202 PIO values to set DMA modes */ + IDE_HFLAG_ABUSE_DMA_MODES = (1 << 6), }; typedef struct ide_pci_device_s { @@ -1414,6 +1420,12 @@ 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]; +void ide_set_pio(ide_drive_t *, u8); + +static inline void ide_set_max_pio(ide_drive_t *drive) +{ + ide_set_pio(drive, 255); +} extern spinlock_t ide_lock; extern struct mutex ide_cfg_mtx; |