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path: root/drivers/ide/legacy/qd65xx.c
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Diffstat (limited to 'drivers/ide/legacy/qd65xx.c')
-rw-r--r--drivers/ide/legacy/qd65xx.c79
1 files changed, 43 insertions, 36 deletions
diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c
index 7783745dd16..0c81d2d0b94 100644
--- a/drivers/ide/legacy/qd65xx.c
+++ b/drivers/ide/legacy/qd65xx.c
@@ -224,15 +224,14 @@ static void qd_set_timing (ide_drive_t *drive, u8 timing)
printk(KERN_DEBUG "%s: %#x\n", drive->name, timing);
}
-/*
- * qd6500_tune_drive
- */
-
-static void qd6500_tune_drive (ide_drive_t *drive, u8 pio)
+static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
int active_time = 175;
int recovery_time = 415; /* worst case values from the dos driver */
+ /*
+ * FIXME: use "pio" value
+ */
if (drive->id && !qd_find_disk_type(drive, &active_time, &recovery_time)
&& drive->id->tPIO && (drive->id->field_valid & 0x02)
&& drive->id->eide_pio >= 240) {
@@ -246,44 +245,39 @@ static void qd6500_tune_drive (ide_drive_t *drive, u8 pio)
qd_set_timing(drive, qd6500_compute_timing(HWIF(drive), active_time, recovery_time));
}
-/*
- * qd6580_tune_drive
- */
-
-static void qd6580_tune_drive (ide_drive_t *drive, u8 pio)
+static void qd6580_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
- ide_pio_data_t d;
int base = HWIF(drive)->select_data;
+ unsigned int cycle_time;
int active_time = 175;
int recovery_time = 415; /* worst case values from the dos driver */
if (drive->id && !qd_find_disk_type(drive, &active_time, &recovery_time)) {
- pio = ide_get_best_pio_mode(drive, pio, 4, &d);
+ cycle_time = ide_pio_cycle_time(drive, pio);
switch (pio) {
case 0: break;
case 3:
- if (d.cycle_time >= 110) {
+ if (cycle_time >= 110) {
active_time = 86;
- recovery_time = d.cycle_time - 102;
+ recovery_time = cycle_time - 102;
} else
printk(KERN_WARNING "%s: Strange recovery time !\n",drive->name);
break;
case 4:
- if (d.cycle_time >= 69) {
+ if (cycle_time >= 69) {
active_time = 70;
- recovery_time = d.cycle_time - 61;
+ recovery_time = cycle_time - 61;
} else
printk(KERN_WARNING "%s: Strange recovery time !\n",drive->name);
break;
default:
- if (d.cycle_time >= 180) {
+ if (cycle_time >= 180) {
active_time = 110;
- recovery_time = d.cycle_time - 120;
+ recovery_time = cycle_time - 120;
} else {
active_time = ide_pio_timings[pio].active_time;
- recovery_time = d.cycle_time
- -active_time;
+ recovery_time = cycle_time - active_time;
}
}
printk(KERN_INFO "%s: PIO mode%d\n", drive->name,pio);
@@ -335,8 +329,7 @@ static int __init qd_testreg(int port)
*/
static void __init qd_setup(ide_hwif_t *hwif, int base, int config,
- unsigned int data0, unsigned int data1,
- void (*tuneproc) (ide_drive_t *, u8 pio))
+ unsigned int data0, unsigned int data1)
{
hwif->chipset = ide_qd65xx;
hwif->channel = hwif->index;
@@ -346,8 +339,7 @@ static void __init qd_setup(ide_hwif_t *hwif, int base, int config,
hwif->drives[1].drive_data = data1;
hwif->drives[0].io_32bit =
hwif->drives[1].io_32bit = 1;
- hwif->tuneproc = tuneproc;
- probe_hwif_init(hwif);
+ hwif->pio_mask = ATA_PIO4;
}
/*
@@ -360,7 +352,7 @@ static void __exit qd_unsetup(ide_hwif_t *hwif)
{
u8 config = hwif->config_data;
int base = hwif->select_data;
- void *tuneproc = (void *) hwif->tuneproc;
+ void *set_pio_mode = (void *)hwif->set_pio_mode;
if (hwif->chipset != ide_qd65xx)
return;
@@ -368,12 +360,12 @@ static void __exit qd_unsetup(ide_hwif_t *hwif)
printk(KERN_NOTICE "%s: back to defaults\n", hwif->name);
hwif->selectproc = NULL;
- hwif->tuneproc = NULL;
+ hwif->set_pio_mode = NULL;
- if (tuneproc == (void *) qd6500_tune_drive) {
+ if (set_pio_mode == (void *)qd6500_set_pio_mode) {
// will do it for both
qd_write_reg(QD6500_DEF_DATA, QD_TIMREG(&hwif->drives[0]));
- } else if (tuneproc == (void *) qd6580_tune_drive) {
+ } else if (set_pio_mode == (void *)qd6580_set_pio_mode) {
if (QD_CONTROL(hwif) & QD_CONTR_SEC_DISABLED) {
qd_write_reg(QD6580_DEF_DATA, QD_TIMREG(&hwif->drives[0]));
qd_write_reg(QD6580_DEF_DATA2, QD_TIMREG(&hwif->drives[1]));
@@ -423,8 +415,11 @@ static int __init qd_probe(int base)
return 1;
}
- qd_setup(hwif, base, config, QD6500_DEF_DATA, QD6500_DEF_DATA,
- &qd6500_tune_drive);
+ qd_setup(hwif, base, config, QD6500_DEF_DATA, QD6500_DEF_DATA);
+
+ hwif->set_pio_mode = &qd6500_set_pio_mode;
+
+ probe_hwif_init(hwif);
ide_proc_register_port(hwif);
@@ -454,8 +449,12 @@ static int __init qd_probe(int base)
printk(KERN_INFO "%s: qd6580: single IDE board\n",
hwif->name);
qd_setup(hwif, base, config | (control << 8),
- QD6580_DEF_DATA, QD6580_DEF_DATA2,
- &qd6580_tune_drive);
+ QD6580_DEF_DATA, QD6580_DEF_DATA2);
+
+ hwif->set_pio_mode = &qd6580_set_pio_mode;
+
+ probe_hwif_init(hwif);
+
qd_write_reg(QD_DEF_CONTR,QD_CONTROL_PORT);
ide_proc_register_port(hwif);
@@ -471,11 +470,19 @@ static int __init qd_probe(int base)
hwif->name, mate->name);
qd_setup(hwif, base, config | (control << 8),
- QD6580_DEF_DATA, QD6580_DEF_DATA,
- &qd6580_tune_drive);
+ QD6580_DEF_DATA, QD6580_DEF_DATA);
+
+ hwif->set_pio_mode = &qd6580_set_pio_mode;
+
+ probe_hwif_init(hwif);
+
qd_setup(mate, base, config | (control << 8),
- QD6580_DEF_DATA2, QD6580_DEF_DATA2,
- &qd6580_tune_drive);
+ QD6580_DEF_DATA2, QD6580_DEF_DATA2);
+
+ mate->set_pio_mode = &qd6580_set_pio_mode;
+
+ probe_hwif_init(mate);
+
qd_write_reg(QD_DEF_CONTR,QD_CONTROL_PORT);
ide_proc_register_port(hwif);