diff options
Diffstat (limited to 'drivers/ide/pci/atiixp.c')
-rw-r--r-- | drivers/ide/pci/atiixp.c | 49 |
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); |