1 files changed, 20 insertions, 11 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 19ab25804056..5f5daad8bc54 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -681,6 +681,10 @@ typedef struct hwif_s {
         u8 straight8;   /* Alan's straight 8 check */
         u8 bus_state;   /* power state of the IDE bus */
 
+        u8 host_flags;
+
+        u8 pio_mask;
+
         u8 atapi_dma;   /* host supports atapi_dma */
         u8 ultra_mask;
         u8 mwdma_mask;
@@ -1244,7 +1248,13 @@ typedef struct ide_pci_enablebit_s {
 
 enum {
         /* Uses ISA control ports not PCI ones. */
-        IDEPCI_FLAG_ISA_PORTS           = (1 << 0),
+        IDE_HFLAG_ISA_PORTS             = (1 << 0),
+        /* single port device */
+        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),
 };
 
 typedef struct ide_pci_device_s {
@@ -1256,13 +1266,13 @@ typedef struct ide_pci_device_s {
         void                    (*init_hwif)(ide_hwif_t *);
         void                    (*init_dma)(ide_hwif_t *, unsigned long);
         void                    (*fixup)(ide_hwif_t *);
-        u8                      channels;
         u8                      autodma;
         ide_pci_enablebit_t     enablebits[2];
         u8                      bootable;
         unsigned int            extra;
         struct ide_pci_device_s *next;
-        u8                      flags;
+        u8                      host_flags;
+        u8                      pio_mask;
         u8                      udma_mask;
 } ide_pci_device_t;
 
@@ -1363,6 +1373,11 @@ extern void ide_toggle_bounce(ide_drive_t *drive, int on);
 extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
 int ide_use_fast_pio(ide_drive_t *);
 
+static inline int ide_dev_has_iordy(struct hd_driveid *id)
+{
+        return ((id->field_valid & 2) && (id->capability & 8)) ? 1 : 0;
+}
+
 u8 ide_dump_status(ide_drive_t *, const char *, u8);
 
 typedef struct ide_pio_timings_s {
@@ -1372,14 +1387,8 @@ typedef struct ide_pio_timings_s {
                                 /* active + recovery (+ setup for some chips) */
 } ide_pio_timings_t;
 
-typedef struct ide_pio_data_s {
-        u8 pio_mode;
-        u8 use_iordy;
-        u8 overridden;
-        unsigned int cycle_time;
-} ide_pio_data_t;
-
-extern u8 ide_get_best_pio_mode (ide_drive_t *drive, u8 mode_wanted, u8 max_mode, ide_pio_data_t *d);
+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];