/*
* This routine is invoked from ide.c to prepare for access to a given drive.
*/
static void ht6560b_selectproc (ide_drive_t *drive)
{
unsigned long flags;
static byte current_select = 0;
static byte current_timing = 0;
byte select, timing;
__save_flags (flags); /* local CPU only */
__cli(); /* local CPU only */
select = HT_CONFIG(drive);
timing = HT_TIMING(drive);
if (select != current_select || timing != current_timing) {
current_select = select;
current_timing = timing;
if (drive->media != ide_disk || !drive->present)
select |= HT_PREFETCH_MODE;
(void) inb(HT_CONFIG_PORT);
(void) inb(HT_CONFIG_PORT);
(void) inb(HT_CONFIG_PORT);
(void) inb(HT_CONFIG_PORT);
outb(select, HT_CONFIG_PORT);
/*
* Set timing for this drive:
*/
outb(timing, IDE_SELECT_REG);
(void) inb(IDE_STATUS_REG);
#ifdef DEBUG
printk("ht6560b: %s: select=%#x timing=%#x\n", drive->name, select, timing);
#endif
}
__restore_flags (flags); /* local CPU only */
}
/*
* This routine is invoked from ide.c to prepare for access to a given drive.
*/
static void ht6560b_selectproc (ide_drive_t *drive)
{
unsigned long flags;
static u8 current_select = 0;
static u8 current_timing = 0;
u8 select, timing;
local_irq_save(flags);
select = HT_CONFIG(drive);
timing = HT_TIMING(drive);
if (select != current_select || timing != current_timing) {
current_select = select;
current_timing = timing;
if (drive->media != ide_disk || !drive->present)
select |= HT_PREFETCH_MODE;
(void) HWIF(drive)->INB(HT_CONFIG_PORT);
(void) HWIF(drive)->INB(HT_CONFIG_PORT);
(void) HWIF(drive)->INB(HT_CONFIG_PORT);
(void) HWIF(drive)->INB(HT_CONFIG_PORT);
HWIF(drive)->OUTB(select, HT_CONFIG_PORT);
/*
* Set timing for this drive:
*/
HWIF(drive)->OUTB(timing, IDE_SELECT_REG);
(void) HWIF(drive)->INB(IDE_STATUS_REG);
#ifdef DEBUG
printk("ht6560b: %s: select=%#x timing=%#x\n",
drive->name, select, timing);
#endif
}
local_irq_restore(flags);
}
/*
* This routine is invoked from ide.c to prepare for access to a given drive.
*/
static void ht6560b_dev_select(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
unsigned long flags;
static u8 current_select = 0;
static u8 current_timing = 0;
u8 select, timing;
local_irq_save(flags);
select = HT_CONFIG(drive);
timing = HT_TIMING(drive);
/*
* Need to enforce prefetch sometimes because otherwise
* it'll hang (hard).
*/
if (drive->media != ide_disk ||
(drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
select |= HT_PREFETCH_MODE;
if (select != current_select || timing != current_timing) {
current_select = select;
current_timing = timing;
(void)inb(HT_CONFIG_PORT);
(void)inb(HT_CONFIG_PORT);
(void)inb(HT_CONFIG_PORT);
(void)inb(HT_CONFIG_PORT);
outb(select, HT_CONFIG_PORT);
/*
* Set timing for this drive:
*/
outb(timing, hwif->io_ports.device_addr);
(void)inb(hwif->io_ports.status_addr);
#ifdef DEBUG
printk("ht6560b: %s: select=%#x timing=%#x\n",
drive->name, select, timing);
#endif
}
local_irq_restore(flags);
outb(drive->select | ATA_DEVICE_OBS, hwif->io_ports.device_addr);
}