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-rw-r--r--include/asm-arm/arch-sa1100/ide.h6
-rw-r--r--include/asm-cris/arch-v10/ide.h11
-rw-r--r--include/linux/ide.h70
3 files changed, 47 insertions, 40 deletions
diff --git a/include/asm-arm/arch-sa1100/ide.h b/include/asm-arm/arch-sa1100/ide.h
index 98b10bc..b14cbda 100644
--- a/include/asm-arm/arch-sa1100/ide.h
+++ b/include/asm-arm/arch-sa1100/ide.h
@@ -37,12 +37,12 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
memset(hw, 0, sizeof(*hw));
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
- hw->io_ports[i] = reg;
+ for (i = 0; i <= 7; i++) {
+ hw->io_ports_array[i] = reg;
reg += regincr;
}
- hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
+ hw->io_ports.ctl_addr = ctrl_port;
if (irq)
*irq = 0;
diff --git a/include/asm-cris/arch-v10/ide.h b/include/asm-cris/arch-v10/ide.h
index ea34e0d..5366e62 100644
--- a/include/asm-cris/arch-v10/ide.h
+++ b/include/asm-cris/arch-v10/ide.h
@@ -59,22 +59,19 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port, u
int i;
/* fill in ports for ATA addresses 0 to 7 */
-
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
- hw->io_ports[i] = data_port |
+ for (i = 0; i <= 7; i++) {
+ hw->io_ports_array[i] = data_port |
IO_FIELD(R_ATA_CTRL_DATA, addr, i) |
IO_STATE(R_ATA_CTRL_DATA, cs0, active);
}
/* the IDE control register is at ATA address 6, with CS1 active instead of CS0 */
-
- hw->io_ports[IDE_CONTROL_OFFSET] = data_port |
+ hw->io_ports.ctl_addr = data_port |
IO_FIELD(R_ATA_CTRL_DATA, addr, 6) |
IO_STATE(R_ATA_CTRL_DATA, cs1, active);
/* whats this for ? */
-
- hw->io_ports[IDE_IRQ_OFFSET] = 0;
+ hw->io_ports.irq_addr = 0;
}
static inline void ide_init_default_hwifs(void)
diff --git a/include/linux/ide.h b/include/linux/ide.h
index f4c7ec2..772228c 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -61,23 +61,30 @@ typedef unsigned char byte; /* used everywhere */
*/
#define IDE_NR_PORTS (10)
-#define IDE_DATA_OFFSET (0)
-#define IDE_ERROR_OFFSET (1)
-#define IDE_NSECTOR_OFFSET (2)
-#define IDE_SECTOR_OFFSET (3)
-#define IDE_LCYL_OFFSET (4)
-#define IDE_HCYL_OFFSET (5)
-#define IDE_SELECT_OFFSET (6)
-#define IDE_STATUS_OFFSET (7)
-#define IDE_CONTROL_OFFSET (8)
-#define IDE_IRQ_OFFSET (9)
-
-#define IDE_FEATURE_OFFSET IDE_ERROR_OFFSET
-#define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET
-#define IDE_ALTSTATUS_OFFSET IDE_CONTROL_OFFSET
-#define IDE_IREASON_OFFSET IDE_NSECTOR_OFFSET
-#define IDE_BCOUNTL_OFFSET IDE_LCYL_OFFSET
-#define IDE_BCOUNTH_OFFSET IDE_HCYL_OFFSET
+struct ide_io_ports {
+ unsigned long data_addr;
+
+ union {
+ unsigned long error_addr; /* read: error */
+ unsigned long feature_addr; /* write: feature */
+ };
+
+ unsigned long nsect_addr;
+ unsigned long lbal_addr;
+ unsigned long lbam_addr;
+ unsigned long lbah_addr;
+
+ unsigned long device_addr;
+
+ union {
+ unsigned long status_addr; /*  read: status  */
+ unsigned long command_addr; /* write: command */
+ };
+
+ unsigned long ctl_addr;
+
+ unsigned long irq_addr;
+};
#define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good))
#define BAD_R_STAT (BUSY_STAT | ERR_STAT)
@@ -156,7 +163,11 @@ typedef u8 hwif_chipset_t;
* Structure to hold all information about the location of this port
*/
typedef struct hw_regs_s {
- unsigned long io_ports[IDE_NR_PORTS]; /* task file registers */
+ union {
+ struct ide_io_ports io_ports;
+ unsigned long io_ports_array[IDE_NR_PORTS];
+ };
+
int irq; /* our irq number */
ide_ack_intr_t *ack_intr; /* acknowledge interrupt */
hwif_chipset_t chipset;
@@ -172,10 +183,10 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
{
unsigned int i;
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++)
- hw->io_ports[i] = io_addr++;
+ for (i = 0; i <= 7; i++)
+ hw->io_ports_array[i] = io_addr++;
- hw->io_ports[IDE_CONTROL_OFFSET] = ctl_addr;
+ hw->io_ports.ctl_addr = ctl_addr;
}
#include <asm/ide.h>
@@ -424,8 +435,8 @@ typedef struct hwif_s {
char name[6]; /* name of interface, eg. "ide0" */
- /* task file registers for pata and sata */
- unsigned long io_ports[IDE_NR_PORTS];
+ struct ide_io_ports io_ports;
+
unsigned long sata_scr[SATA_NR_PORTS];
ide_drive_t drives[MAX_DRIVES]; /* drive info */
@@ -1330,29 +1341,28 @@ static inline void ide_set_irq(ide_drive_t *drive, int on)
{
ide_hwif_t *hwif = drive->hwif;
- hwif->OUTB(drive->ctl | (on ? 0 : 2),
- hwif->io_ports[IDE_CONTROL_OFFSET]);
+ hwif->OUTB(drive->ctl | (on ? 0 : 2), hwif->io_ports.ctl_addr);
}
static inline u8 ide_read_status(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- return hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]);
+ return hwif->INB(hwif->io_ports.status_addr);
}
static inline u8 ide_read_altstatus(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- return hwif->INB(hwif->io_ports[IDE_CONTROL_OFFSET]);
+ return hwif->INB(hwif->io_ports.ctl_addr);
}
static inline u8 ide_read_error(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- return hwif->INB(hwif->io_ports[IDE_ERROR_OFFSET]);
+ return hwif->INB(hwif->io_ports.error_addr);
}
/*
@@ -1365,7 +1375,7 @@ static inline void ide_atapi_discard_data(ide_drive_t *drive, unsigned bcount)
/* FIXME: use ->atapi_input_bytes */
while (bcount--)
- (void)hwif->INB(hwif->io_ports[IDE_DATA_OFFSET]);
+ (void)hwif->INB(hwif->io_ports.data_addr);
}
static inline void ide_atapi_write_zeros(ide_drive_t *drive, unsigned bcount)
@@ -1374,7 +1384,7 @@ static inline void ide_atapi_write_zeros(ide_drive_t *drive, unsigned bcount)
/* FIXME: use ->atapi_output_bytes */
while (bcount--)
- hwif->OUTB(0, hwif->io_ports[IDE_DATA_OFFSET]);
+ hwif->OUTB(0, hwif->io_ports.data_addr);
}
#endif /* _IDE_H */
generated by cgit v0.10.2 at 2024-11-11 13:32:10 (GMT)