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-rw-r--r--include/linux/ide.h31
1 files changed, 20 insertions, 11 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 19ab2580405..5f5daad8bc5 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];