aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ide/pci/sis5513.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ide/pci/sis5513.c')
-rw-r--r--drivers/ide/pci/sis5513.c51
1 files changed, 25 insertions, 26 deletions
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 26f2480..3e18899 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -1,5 +1,5 @@
/*
- * linux/drivers/ide/pci/sis5513.c Version 0.25 Jun 10, 2007
+ * linux/drivers/ide/pci/sis5513.c Version 0.27 Jul 14, 2007
*
* Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2002 Lionel Bouton <Lionel.Bouton@inet6.fr>, Maintainer
@@ -519,27 +519,18 @@ static void config_art_rwp_pio (ide_drive_t *drive, u8 pio)
}
}
-static int sis5513_tune_drive(ide_drive_t *drive, u8 pio)
+static void sis_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
- pio = ide_get_best_pio_mode(drive, pio, 4);
config_art_rwp_pio(drive, pio);
- return ide_config_drive_speed(drive, XFER_PIO_0 + pio);
+ (void)ide_config_drive_speed(drive, XFER_PIO_0 + pio);
}
-static void sis5513_tuneproc(ide_drive_t *drive, u8 pio)
-{
- (void)sis5513_tune_drive(drive, pio);
-}
-
-static int sis5513_tune_chipset (ide_drive_t *drive, u8 xferspeed)
+static int sis5513_tune_chipset(ide_drive_t *drive, const u8 speed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
-
- u8 drive_pci, reg, speed;
u32 regdw;
-
- speed = ide_rate_filter(drive, xferspeed);
+ u8 drive_pci, reg;
/* See config_art_rwp_pio for drive pci config registers */
drive_pci = 0x40;
@@ -582,9 +573,6 @@ static int sis5513_tune_chipset (ide_drive_t *drive, u8 xferspeed)
regdw |= (unsigned long)cycle_time_value[ATA_133][speed-XFER_UDMA_0] << 4;
regdw |= (unsigned long)cvs_time_value[ATA_133][speed-XFER_UDMA_0] << 8;
} else {
- /* if ATA133 disable, we should not set speed above UDMA5 */
- if (speed > XFER_UDMA_5)
- speed = XFER_UDMA_5;
regdw |= (unsigned long)cycle_time_value[ATA_100][speed-XFER_UDMA_0] << 4;
regdw |= (unsigned long)cvs_time_value[ATA_100][speed-XFER_UDMA_0] << 8;
}
@@ -608,12 +596,6 @@ static int sis5513_tune_chipset (ide_drive_t *drive, u8 xferspeed)
case XFER_SW_DMA_1:
case XFER_SW_DMA_0:
break;
- case XFER_PIO_4:
- case XFER_PIO_3:
- case XFER_PIO_2:
- case XFER_PIO_1:
- case XFER_PIO_0:
- return sis5513_tune_drive(drive, speed - XFER_PIO_0);
default:
BUG();
break;
@@ -627,7 +609,7 @@ static int sis5513_config_xfer_rate(ide_drive_t *drive)
/*
* TODO: always set PIO mode and remove this
*/
- sis5513_tuneproc(drive, 255);
+ ide_set_max_pio(drive);
drive->init_speed = 0;
@@ -635,11 +617,25 @@ static int sis5513_config_xfer_rate(ide_drive_t *drive)
return 0;
if (ide_use_fast_pio(drive))
- sis5513_tuneproc(drive, 255);
+ ide_set_max_pio(drive);
return -1;
}
+static u8 sis5513_ata133_udma_filter(ide_drive_t *drive)
+{
+ struct pci_dev *dev = drive->hwif->pci_dev;
+ int drive_pci;
+ u32 reg54 = 0, regdw = 0;
+
+ pci_read_config_dword(dev, 0x54, &reg54);
+ drive_pci = ((reg54 & 0x40000000) ? 0x70 : 0x40) + drive->dn * 4;
+ pci_read_config_dword(dev, drive_pci, &regdw);
+
+ /* if ATA133 disable, we should not set speed above UDMA5 */
+ return (regdw & 0x08) ? ATA_UDMA6 : ATA_UDMA5;
+}
+
/* Chip detection and general config */
static unsigned int __devinit init_chipset_sis5513 (struct pci_dev *dev, const char *name)
{
@@ -844,9 +840,12 @@ static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
if (!hwif->irq)
hwif->irq = hwif->channel ? 15 : 14;
- hwif->tuneproc = &sis5513_tuneproc;
+ hwif->set_pio_mode = &sis_set_pio_mode;
hwif->speedproc = &sis5513_tune_chipset;
+ if (chipset_family >= ATA_133)
+ hwif->udma_filter = sis5513_ata133_udma_filter;
+
if (!(hwif->dma_base)) {
hwif->drives[0].autotune = 1;
hwif->drives[1].autotune = 1;