1 files changed, 15 insertions, 3 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 81736cb7ef3d..85d448b4abec 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;