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path: root/drivers/ide/pci/atiixp.c
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Diffstat (limited to 'drivers/ide/pci/atiixp.c')
-rw-r--r--drivers/ide/pci/atiixp.c49
1 files changed, 16 insertions, 33 deletions
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 1725aa402d9..0eb97f021d3 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -122,14 +122,14 @@ static void atiixp_dma_host_off(ide_drive_t *drive)
}
/**
- * atiixp_tune_pio - tune a drive attached to a ATIIXP
- * @drive: drive to tune
- * @pio: desired PIO mode
+ * atiixp_set_pio_mode - set host controller for PIO mode
+ * @drive: drive
+ * @pio: PIO mode number
*
* Set the interface PIO mode.
*/
-static void atiixp_tune_pio(ide_drive_t *drive, u8 pio)
+static void atiixp_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
struct pci_dev *dev = drive->hwif->pci_dev;
unsigned long flags;
@@ -153,38 +153,23 @@ static void atiixp_tune_pio(ide_drive_t *drive, u8 pio)
spin_unlock_irqrestore(&atiixp_lock, flags);
}
-static void atiixp_tuneproc(ide_drive_t *drive, u8 pio)
-{
- pio = ide_get_best_pio_mode(drive, pio, 4);
- atiixp_tune_pio(drive, pio);
- (void)ide_config_drive_speed(drive, XFER_PIO_0 + pio);
-}
-
/**
- * atiixp_tune_chipset - tune a ATIIXP interface
- * @drive: IDE drive to tune
- * @xferspeed: speed to configure
+ * atiixp_set_dma_mode - set host controller for DMA mode
+ * @drive: drive
+ * @speed: DMA mode
*
- * Set a ATIIXP interface channel to the desired speeds. This involves
- * requires the right timing data into the ATIIXP configuration space
- * then setting the drive parameters appropriately
+ * Set a ATIIXP host controller to the desired DMA mode. This involves
+ * programming the right timing data into the PCI configuration space.
*/
-static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed)
+static void atiixp_set_dma_mode(ide_drive_t *drive, const u8 speed)
{
struct pci_dev *dev = drive->hwif->pci_dev;
unsigned long flags;
int timing_shift = (drive->dn & 2) ? 16 : 0 + (drive->dn & 1) ? 0 : 8;
u32 tmp32;
u16 tmp16;
- u8 speed, pio;
-
- speed = ide_rate_filter(drive, xferspeed);
-
- if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) {
- atiixp_tune_pio(drive, speed - XFER_PIO_0);
- return ide_config_drive_speed(drive, speed);
- }
+ u8 pio;
spin_lock_irqsave(&atiixp_lock, flags);
@@ -212,9 +197,7 @@ static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed)
else
pio = speed - XFER_PIO_0;
- atiixp_tune_pio(drive, pio);
-
- return ide_config_drive_speed(drive, speed);
+ atiixp_set_pio_mode(drive, pio);
}
/**
@@ -233,7 +216,7 @@ static int atiixp_dma_check(ide_drive_t *drive)
return 0;
if (ide_use_fast_pio(drive))
- atiixp_tuneproc(drive, 255);
+ ide_set_max_pio(drive);
return -1;
}
@@ -256,8 +239,8 @@ static void __devinit init_hwif_atiixp(ide_hwif_t *hwif)
hwif->irq = ch ? 15 : 14;
hwif->autodma = 0;
- hwif->tuneproc = &atiixp_tuneproc;
- hwif->speedproc = &atiixp_speedproc;
+ hwif->set_pio_mode = &atiixp_set_pio_mode;
+ hwif->set_dma_mode = &atiixp_set_dma_mode;
hwif->drives[0].autotune = 1;
hwif->drives[1].autotune = 1;
@@ -325,7 +308,7 @@ static struct pci_device_id atiixp_pci_tbl[] = {
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
+ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl);