IDE: Fix HDIO_DRIVE_RESET handling

[linux-2.6] / include / linux / ide.h

diff --git a/include/linux/ide.h b/include/linux/ide.h
index ac4eeb2932efb03a61484d1badbfd34620957a28..021710cc1b1c1141f899b83be1f4d80da601d6b3 100644 (file)
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -138,6 +138,12 @@ struct ide_io_ports {
 #define WAIT_CMD       (10*HZ) /* 10sec  - maximum wait for an IRQ to happen */
 #define WAIT_MIN_SLEEP (2*HZ/100)      /* 20msec - minimum sleep time */
 
+/*
+ * Op codes for special requests to be handled by ide_special_rq().
+ * Values should be in the range of 0x20 to 0x3f.
+ */
+#define REQ_DRIVE_RESET                0x20
+
 /*
  * Check for an interrupt and acknowledge the interrupt status
  */
@@ -171,7 +177,7 @@ typedef struct hw_regs_s {
        int             irq;                    /* our irq number */
        ide_ack_intr_t  *ack_intr;              /* acknowledge interrupt */
        hwif_chipset_t  chipset;
-       struct device   *dev;
+       struct device   *dev, *parent;
 } hw_regs_t;
 
 void ide_init_port_data(struct hwif_s *, unsigned int);
@@ -405,8 +411,8 @@ typedef struct ide_drive_s {
 struct ide_port_info;
 
 struct ide_port_ops {
-       /* host specific initialization of devices on a port */
-       void    (*port_init_devs)(struct hwif_s *);
+       /* host specific initialization of a device */
+       void    (*init_dev)(ide_drive_t *);
        /* routine to program host for PIO mode */
        void    (*set_pio_mode)(ide_drive_t *, const u8);
        /* routine to program host for DMA mode */
@@ -801,18 +807,6 @@ struct ide_driver_s {
 
 int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long);
 
-/*
- * ide_hwifs[] is the master data structure used to keep track
- * of just about everything in ide.c.  Whenever possible, routines
- * should be using pointers to a drive (ide_drive_t *) or
- * pointers to a hwif (ide_hwif_t *), rather than indexing this
- * structure directly (the allocation/layout may change!).
- *
- */
-#ifndef _IDE_C
-extern ide_hwif_t      ide_hwifs[];            /* master data repository */
-#endif
-
 extern int ide_vlb_clk;
 extern int ide_pci_clk;
 
@@ -1271,16 +1265,43 @@ static inline int ide_dev_is_sata(struct hd_driveid *id)
 u64 ide_get_lba_addr(struct ide_taskfile *, int);
 u8 ide_dump_status(ide_drive_t *, const char *, u8);
 
-typedef struct ide_pio_timings_s {
-       int     setup_time;     /* Address setup (ns) minimum */
-       int     active_time;    /* Active pulse (ns) minimum */
-       int     cycle_time;     /* Cycle time (ns) minimum = */
-                               /* active + recovery (+ setup for some chips) */
-} ide_pio_timings_t;
+struct ide_timing {
+       u8  mode;
+       u8  setup;      /* t1 */
+       u16 act8b;      /* t2 for 8-bit io */
+       u16 rec8b;      /* t2i for 8-bit io */
+       u16 cyc8b;      /* t0 for 8-bit io */
+       u16 active;     /* t2 or tD */
+       u16 recover;    /* t2i or tK */
+       u16 cycle;      /* t0 */
+       u16 udma;       /* t2CYCTYP/2 */
+};
+
+enum {
+       IDE_TIMING_SETUP        = (1 << 0),
+       IDE_TIMING_ACT8B        = (1 << 1),
+       IDE_TIMING_REC8B        = (1 << 2),
+       IDE_TIMING_CYC8B        = (1 << 3),
+       IDE_TIMING_8BIT         = IDE_TIMING_ACT8B | IDE_TIMING_REC8B |
+                                 IDE_TIMING_CYC8B,
+       IDE_TIMING_ACTIVE       = (1 << 4),
+       IDE_TIMING_RECOVER      = (1 << 5),
+       IDE_TIMING_CYCLE        = (1 << 6),
+       IDE_TIMING_UDMA         = (1 << 7),
+       IDE_TIMING_ALL          = IDE_TIMING_SETUP | IDE_TIMING_8BIT |
+                                 IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER |
+                                 IDE_TIMING_CYCLE | IDE_TIMING_UDMA,
+};
+
+struct ide_timing *ide_timing_find_mode(u8);
+u16 ide_pio_cycle_time(ide_drive_t *, u8);
+void ide_timing_merge(struct ide_timing *, struct ide_timing *,
+                     struct ide_timing *, unsigned int);
+int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int);
+
+int ide_scan_pio_blacklist(char *);
 
-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];
 
 int ide_set_pio_mode(ide_drive_t *, u8);
 int ide_set_dma_mode(ide_drive_t *, u8);