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-rw-r--r--include/linux/ide.h18
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;