ide: add ide_no_data_taskfile() helper

[linux-2.6-omap-h63xx.git] / include / linux / ide.h

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9a6a41e7079ff942ec4d204ae20011ee7987d6a2..11bfbc40c50a4b48a37855b6602dd5ce4b1c2143 100644 (file)
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -103,8 +103,6 @@ typedef unsigned char       byte;   /* used everywhere */
 #define IDE_FEATURE_OFFSET     IDE_ERROR_OFFSET
 #define IDE_COMMAND_OFFSET     IDE_STATUS_OFFSET
 
-#define IDE_CONTROL_OFFSET_HOB (7)
-
 #define IDE_DATA_REG           (HWIF(drive)->io_ports[IDE_DATA_OFFSET])
 #define IDE_ERROR_REG          (HWIF(drive)->io_ports[IDE_ERROR_OFFSET])
 #define IDE_NSECTOR_REG                (HWIF(drive)->io_ports[IDE_NSECTOR_OFFSET])
@@ -766,7 +764,6 @@ typedef struct hwif_s {
        int             rqsize;         /* max sectors per request */
        int             irq;            /* our irq number */
 
-       unsigned long   dma_master;     /* reference base addr dmabase */
        unsigned long   dma_base;       /* base addr for dma ports */
        unsigned long   dma_command;    /* dma command register */
        unsigned long   dma_vendor1;    /* dma vendor 1 register */
@@ -1020,7 +1017,8 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
 
 extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry);
 
-extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *);
+void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
+                        ide_expiry_t *);
 
 ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
 
@@ -1062,15 +1060,46 @@ extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
  */
 extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *);
 
+enum {
+       IDE_TFLAG_LBA48                 = (1 << 0),
+       IDE_TFLAG_NO_SELECT_MASK        = (1 << 1),
+};
+
+struct ide_taskfile {
+       u8      hob_data;       /*  0: high data byte (for TASKFILE IOCTL) */
+
+       u8      hob_feature;    /*  1-5: additional data to support LBA48 */
+       u8      hob_nsect;
+       u8      hob_lbal;
+       u8      hob_lbam;
+       u8      hob_lbah;
+
+       u8      data;           /*  6: low data byte (for TASKFILE IOCTL) */
+
+       union {                 /*  7: */
+               u8 error;       /*   read:  error */
+               u8 feature;     /*  write: feature */
+       };
+
+       u8      nsect;          /*  8: number of sectors */
+       u8      lbal;           /*  9: LBA low */
+       u8      lbam;           /* 10: LBA mid */
+       u8      lbah;           /* 11: LBA high */
+
+       u8      device;         /* 12: device select */
+
+       union {                 /* 13: */
+               u8 status;      /*  read: status  */
+               u8 command;     /* write: command */
+       };
+};
+
 typedef struct ide_task_s {
-/*
- *     struct hd_drive_task_hdr        tf;
- *     task_struct_t           tf;
- *     struct hd_drive_hob_hdr         hobf;
- *     hob_struct_t            hobf;
- */
-       task_ioreg_t            tfRegister[8];
-       task_ioreg_t            hobRegister[8];
+       union {
+               struct ide_taskfile     tf;
+               u8                      tf_array[14];
+       };
+       u8                      tf_flags;
        ide_reg_valid_t         tf_out_flags;
        ide_reg_valid_t         tf_in_flags;
        int                     data_phase;
@@ -1081,6 +1110,8 @@ typedef struct ide_task_s {
        void                    *special;       /* valid_t generally */
 } ide_task_t;
 
+void ide_tf_load(ide_drive_t *, ide_task_t *);
+
 extern u32 ide_read_24(ide_drive_t *);
 
 extern void SELECT_DRIVE(ide_drive_t *);
@@ -1109,6 +1140,8 @@ extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);
 
 extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *);
 
+int ide_no_data_taskfile(ide_drive_t *, ide_task_t *);
+
 int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long);
 int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long);
 int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long);