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path: root/drivers/ide/ide-iops.c
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Diffstat (limited to 'drivers/ide/ide-iops.c')
-rw-r--r--drivers/ide/ide-iops.c86
1 files changed, 50 insertions, 36 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index e77cee0e5d65..45944219eea0 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -158,9 +158,12 @@ EXPORT_SYMBOL(default_hwif_mmiops);
void SELECT_DRIVE (ide_drive_t *drive)
{
- if (HWIF(drive)->selectproc)
- HWIF(drive)->selectproc(drive);
- HWIF(drive)->OUTB(drive->select.all, IDE_SELECT_REG);
+ ide_hwif_t *hwif = drive->hwif;
+
+ if (hwif->selectproc)
+ hwif->selectproc(drive);
+
+ hwif->OUTB(drive->select.all, hwif->io_ports[IDE_SELECT_OFFSET]);
}
void SELECT_MASK (ide_drive_t *drive, int mask)
@@ -194,15 +197,18 @@ static void ata_input_data(ide_drive_t *drive, void *buffer, u32 wcount)
if (io_32bit) {
if (io_32bit & 2) {
unsigned long flags;
+
local_irq_save(flags);
- ata_vlb_sync(drive, IDE_NSECTOR_REG);
- hwif->INSL(IDE_DATA_REG, buffer, wcount);
+ ata_vlb_sync(drive, hwif->io_ports[IDE_NSECTOR_OFFSET]);
+ hwif->INSL(hwif->io_ports[IDE_DATA_OFFSET], buffer,
+ wcount);
local_irq_restore(flags);
} else
- hwif->INSL(IDE_DATA_REG, buffer, wcount);
- } else {
- hwif->INSW(IDE_DATA_REG, buffer, wcount<<1);
- }
+ hwif->INSL(hwif->io_ports[IDE_DATA_OFFSET], buffer,
+ wcount);
+ } else
+ hwif->INSW(hwif->io_ports[IDE_DATA_OFFSET], buffer,
+ wcount << 1);
}
/*
@@ -216,15 +222,18 @@ static void ata_output_data(ide_drive_t *drive, void *buffer, u32 wcount)
if (io_32bit) {
if (io_32bit & 2) {
unsigned long flags;
+
local_irq_save(flags);
- ata_vlb_sync(drive, IDE_NSECTOR_REG);
- hwif->OUTSL(IDE_DATA_REG, buffer, wcount);
+ ata_vlb_sync(drive, hwif->io_ports[IDE_NSECTOR_OFFSET]);
+ hwif->OUTSL(hwif->io_ports[IDE_DATA_OFFSET], buffer,
+ wcount);
local_irq_restore(flags);
} else
- hwif->OUTSL(IDE_DATA_REG, buffer, wcount);
- } else {
- hwif->OUTSW(IDE_DATA_REG, buffer, wcount<<1);
- }
+ hwif->OUTSL(hwif->io_ports[IDE_DATA_OFFSET], buffer,
+ wcount);
+ } else
+ hwif->OUTSW(hwif->io_ports[IDE_DATA_OFFSET], buffer,
+ wcount << 1);
}
/*
@@ -243,13 +252,15 @@ static void atapi_input_bytes(ide_drive_t *drive, void *buffer, u32 bytecount)
#if defined(CONFIG_ATARI) || defined(CONFIG_Q40)
if (MACH_IS_ATARI || MACH_IS_Q40) {
/* Atari has a byte-swapped IDE interface */
- insw_swapw(IDE_DATA_REG, buffer, bytecount / 2);
+ insw_swapw(hwif->io_ports[IDE_DATA_OFFSET], buffer,
+ bytecount / 2);
return;
}
#endif /* CONFIG_ATARI || CONFIG_Q40 */
hwif->ata_input_data(drive, buffer, bytecount / 4);
if ((bytecount & 0x03) >= 2)
- hwif->INSW(IDE_DATA_REG, ((u8 *)buffer)+(bytecount & ~0x03), 1);
+ hwif->INSW(hwif->io_ports[IDE_DATA_OFFSET],
+ (u8 *)buffer + (bytecount & ~0x03), 1);
}
static void atapi_output_bytes(ide_drive_t *drive, void *buffer, u32 bytecount)
@@ -260,13 +271,15 @@ static void atapi_output_bytes(ide_drive_t *drive, void *buffer, u32 bytecount)
#if defined(CONFIG_ATARI) || defined(CONFIG_Q40)
if (MACH_IS_ATARI || MACH_IS_Q40) {
/* Atari has a byte-swapped IDE interface */
- outsw_swapw(IDE_DATA_REG, buffer, bytecount / 2);
+ outsw_swapw(hwif->io_ports[IDE_DATA_OFFSET], buffer,
+ bytecount / 2);
return;
}
#endif /* CONFIG_ATARI || CONFIG_Q40 */
hwif->ata_output_data(drive, buffer, bytecount / 4);
if ((bytecount & 0x03) >= 2)
- hwif->OUTSW(IDE_DATA_REG, ((u8*)buffer)+(bytecount & ~0x03), 1);
+ hwif->OUTSW(hwif->io_ports[IDE_DATA_OFFSET],
+ (u8 *)buffer + (bytecount & ~0x03), 1);
}
void default_hwif_transport(ide_hwif_t *hwif)
@@ -429,7 +442,7 @@ int drive_is_ready (ide_drive_t *drive)
* an interrupt with another pci card/device. We make no assumptions
* about possible isa-pnp and pci-pnp issues yet.
*/
- if (IDE_CONTROL_REG)
+ if (hwif->io_ports[IDE_CONTROL_OFFSET])
stat = ide_read_altstatus(drive);
else
/* Note: this may clear a pending IRQ!! */
@@ -631,7 +644,7 @@ int ide_driveid_update(ide_drive_t *drive)
SELECT_MASK(drive, 1);
ide_set_irq(drive, 1);
msleep(50);
- hwif->OUTB(WIN_IDENTIFY, IDE_COMMAND_REG);
+ hwif->OUTB(WIN_IDENTIFY, hwif->io_ports[IDE_COMMAND_OFFSET]);
timeout = jiffies + WAIT_WORSTCASE;
do {
if (time_after(jiffies, timeout)) {
@@ -718,9 +731,10 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
SELECT_MASK(drive, 0);
udelay(1);
ide_set_irq(drive, 0);
- hwif->OUTB(speed, IDE_NSECTOR_REG);
- hwif->OUTB(SETFEATURES_XFER, IDE_FEATURE_REG);
- hwif->OUTBSYNC(drive, WIN_SETFEATURES, IDE_COMMAND_REG);
+ hwif->OUTB(speed, hwif->io_ports[IDE_NSECTOR_OFFSET]);
+ hwif->OUTB(SETFEATURES_XFER, hwif->io_ports[IDE_FEATURE_OFFSET]);
+ hwif->OUTBSYNC(drive, WIN_SETFEATURES,
+ hwif->io_ports[IDE_COMMAND_OFFSET]);
if (drive->quirk_list == 2)
ide_set_irq(drive, 1);
@@ -828,7 +842,7 @@ void ide_execute_command(ide_drive_t *drive, u8 cmd, ide_handler_t *handler,
spin_lock_irqsave(&ide_lock, flags);
__ide_set_handler(drive, handler, timeout, expiry);
- hwif->OUTBSYNC(drive, cmd, IDE_COMMAND_REG);
+ hwif->OUTBSYNC(drive, cmd, hwif->io_ports[IDE_COMMAND_OFFSET]);
/*
* Drive takes 400nS to respond, we must avoid the IRQ being
* serviced before that.
@@ -1009,7 +1023,8 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
unsigned long flags;
ide_hwif_t *hwif;
ide_hwgroup_t *hwgroup;
-
+ u8 ctl;
+
spin_lock_irqsave(&ide_lock, flags);
hwif = HWIF(drive);
hwgroup = HWGROUP(drive);
@@ -1023,7 +1038,8 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
pre_reset(drive);
SELECT_DRIVE(drive);
udelay (20);
- hwif->OUTBSYNC(drive, WIN_SRST, IDE_COMMAND_REG);
+ hwif->OUTBSYNC(drive, WIN_SRST,
+ hwif->io_ports[IDE_COMMAND_OFFSET]);
ndelay(400);
hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE;
hwgroup->polling = 1;
@@ -1039,7 +1055,7 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
for (unit = 0; unit < MAX_DRIVES; ++unit)
pre_reset(&hwif->drives[unit]);
- if (!IDE_CONTROL_REG) {
+ if (hwif->io_ports[IDE_CONTROL_OFFSET] == 0) {
spin_unlock_irqrestore(&ide_lock, flags);
return ide_stopped;
}
@@ -1054,16 +1070,14 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
* recover from reset very quickly, saving us the first 50ms wait time.
*/
/* set SRST and nIEN */
- hwif->OUTBSYNC(drive, drive->ctl|6,IDE_CONTROL_REG);
+ hwif->OUTBSYNC(drive, drive->ctl|6, hwif->io_ports[IDE_CONTROL_OFFSET]);
/* more than enough time */
udelay(10);
- if (drive->quirk_list == 2) {
- /* clear SRST and nIEN */
- hwif->OUTBSYNC(drive, drive->ctl, IDE_CONTROL_REG);
- } else {
- /* clear SRST, leave nIEN */
- hwif->OUTBSYNC(drive, drive->ctl|2, IDE_CONTROL_REG);
- }
+ if (drive->quirk_list == 2)
+ ctl = drive->ctl; /* clear SRST and nIEN */
+ else
+ ctl = drive->ctl | 2; /* clear SRST, leave nIEN */
+ hwif->OUTBSYNC(drive, ctl, hwif->io_ports[IDE_CONTROL_OFFSET]);
/* more than enough time */
udelay(10);
hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.