Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6

[pandora-kernel.git] / include / linux / ide.h

diff --git a/include/linux/ide.h b/include/linux/ide.h
index a6c6a2f..95c6e00 100644 (file)
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -156,12 +156,6 @@ enum {
 #define REQ_PARK_HEADS         0x22
 #define REQ_UNPARK_HEADS       0x23
 
-/*
- * Check for an interrupt and acknowledge the interrupt status
- */
-struct hwif_s;
-typedef int (ide_ack_intr_t)(struct hwif_s *);
-
 /*
  * hwif_chipset_t is used to keep track of the specific hardware
  * chipset used by each IDE interface, if known.
@@ -185,7 +179,6 @@ struct ide_hw {
        };
 
        int             irq;                    /* our irq number */
-       ide_ack_intr_t  *ack_intr;              /* acknowledge interrupt */
        struct device   *dev, *parent;
        unsigned long   config;
 };
@@ -331,11 +324,6 @@ enum {
        PC_FLAG_WRITING                 = (1 << 6),
 };
 
-/*
- * With each packet command, we allocate a buffer of IDE_PC_BUFFER_SIZE bytes.
- * This is used for several packet commands (not for READ/WRITE commands).
- */
-#define IDE_PC_BUFFER_SIZE     64
 #define ATAPI_WAIT_PC          (60 * HZ)
 
 struct ide_atapi_pc {
@@ -347,12 +335,6 @@ struct ide_atapi_pc {
 
        /* bytes to transfer */
        int req_xfer;
-       /* bytes actually transferred */
-       int xferred;
-
-       /* data buffer */
-       u8 *buf;
-       int buf_size;
 
        /* the corresponding request */
        struct request *rq;
@@ -363,8 +345,6 @@ struct ide_atapi_pc {
         * those are more or less driver-specific and some of them are subject
         * to change/removal later.
         */
-       u8 pc_buf[IDE_PC_BUFFER_SIZE];
-
        unsigned long timeout;
 };
 
@@ -552,7 +532,7 @@ 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;     /* used by set_pio_mode/dev_select() */
+       void            *drive_data;    /* used by set_pio_mode/dev_select() */
        unsigned int    failures;       /* current failure count */
        unsigned int    max_failures;   /* maximum allowed failure count */
        u64             probed_capacity;/* initial/native media capacity */
@@ -649,6 +629,7 @@ struct ide_port_ops {
        void    (*maskproc)(ide_drive_t *, int);
        void    (*quirkproc)(ide_drive_t *);
        void    (*clear_irq)(ide_drive_t *);
+       int     (*test_irq)(struct hwif_s *);
 
        u8      (*mdma_filter)(ide_drive_t *);
        u8      (*udma_filter)(ide_drive_t *);
@@ -674,6 +655,10 @@ struct ide_dma_ops {
        u8      (*dma_sff_read_status)(struct hwif_s *);
 };
 
+enum {
+       IDE_PFLAG_PROBING               = (1 << 0),
+};
+
 struct ide_host;
 
 typedef struct hwif_s {
@@ -690,6 +675,8 @@ typedef struct hwif_s {
 
        ide_drive_t     *devices[MAX_DRIVES + 1];
 
+       unsigned long   port_flags;
+
        u8 major;       /* our major number */
        u8 index;       /* 0 for ide0; 1 for ide1; ... */
        u8 channel;     /* for dual-port chips: 0=primary, 1=secondary */
@@ -708,8 +695,6 @@ typedef struct hwif_s {
 
        struct device *dev;
 
-       ide_ack_intr_t *ack_intr;
-
        void (*rw_disk)(ide_drive_t *, struct request *);
 
        const struct ide_tp_ops         *tp_ops;
@@ -1130,6 +1115,8 @@ void SELECT_MASK(ide_drive_t *, int);
 u8 ide_read_error(ide_drive_t *);
 void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *);
 
+int ide_check_ireason(ide_drive_t *, struct request *, int, int, int);
+
 int ide_check_atapi_device(ide_drive_t *, const char *);
 
 void ide_init_pc(struct ide_atapi_pc *);
@@ -1154,7 +1141,8 @@ enum {
        REQ_IDETAPE_WRITE       = (1 << 3),
 };
 
-int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *);
+int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
+                     void *, unsigned int);
 
 int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *);
 int ide_do_start_stop(ide_drive_t *, struct gendisk *, int);
@@ -1524,6 +1512,7 @@ int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int);
 int ide_scan_pio_blacklist(char *);
 const char *ide_xfer_verbose(u8);
 u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8);
+int ide_pio_need_iordy(ide_drive_t *, const u8);
 int ide_set_pio_mode(ide_drive_t *, u8);
 int ide_set_dma_mode(ide_drive_t *, u8);
 void ide_set_pio(ide_drive_t *, u8);
@@ -1561,6 +1550,16 @@ static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive)
        return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
 }
 
+static inline void *ide_get_drivedata(ide_drive_t *drive)
+{
+       return drive->drive_data;
+}
+
+static inline void ide_set_drivedata(ide_drive_t *drive, void *data)
+{
+       drive->drive_data = data;
+}
+
 #define ide_port_for_each_dev(i, dev, port) \
        for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++)