diff options
Diffstat (limited to 'drivers/ide/pci/scc_pata.c')
-rw-r--r-- | drivers/ide/pci/scc_pata.c | 98 |
1 files changed, 22 insertions, 76 deletions
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index eeb0a6d..ae9b5033 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -190,15 +190,15 @@ scc_ide_outsl(unsigned long port, void *addr, u32 count) } /** - * scc_tune_pio - tune a drive PIO mode - * @drive: drive to tune - * @mode_wanted: the target operating mode + * scc_set_pio_mode - set host controller for PIO mode + * @drive: drive + * @pio: PIO mode number * * Load the timing settings for this device mode into the * controller. */ -static void scc_tune_pio(ide_drive_t *drive, const u8 pio) +static void scc_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); struct scc_ports *ports = ide_get_hwifdata(hwif); @@ -221,26 +221,18 @@ static void scc_tune_pio(ide_drive_t *drive, const u8 pio) out_be32((void __iomem *)pioct_port, reg); } -static void scc_tuneproc(ide_drive_t *drive, u8 pio) -{ - pio = ide_get_best_pio_mode(drive, pio, 4); - scc_tune_pio(drive, pio); - ide_config_drive_speed(drive, XFER_PIO_0 + pio); -} - /** - * scc_tune_chipset - tune a drive DMA mode - * @drive: Drive to set up - * @xferspeed: speed we want to achieve + * scc_set_dma_mode - set host controller for DMA mode + * @drive: drive + * @speed: DMA mode * * Load the timing settings for this device mode into the * controller. */ -static int scc_tune_chipset(ide_drive_t *drive, byte xferspeed) +static void scc_set_dma_mode(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); - u8 speed = ide_rate_filter(drive, xferspeed); struct scc_ports *ports = ide_get_hwifdata(hwif); unsigned long ctl_base = ports->ctl; unsigned long cckctrl_port = ctl_base + 0xff0; @@ -272,15 +264,8 @@ static int scc_tune_chipset(ide_drive_t *drive, byte xferspeed) case XFER_UDMA_0: idx = speed - XFER_UDMA_0; break; - case XFER_PIO_4: - case XFER_PIO_3: - case XFER_PIO_2: - case XFER_PIO_1: - case XFER_PIO_0: - scc_tune_pio(drive, speed - XFER_PIO_0); - return ide_config_drive_speed(drive, speed); default: - return 1; + return; } jcactsel = JCACTSELtbl[offset][idx]; @@ -296,30 +281,6 @@ static int scc_tune_chipset(ide_drive_t *drive, byte xferspeed) } reg = JCTSStbl[offset][idx] << 16 | JCENVTtbl[offset][idx]; out_be32((void __iomem *)udenvt_port, reg); - - return ide_config_drive_speed(drive, speed); -} - -/** - * scc_configure_drive_for_dma - set up for DMA transfers - * @drive: drive we are going to set up - * - * Set up the drive for DMA, tune the controller and drive as - * required. - * If the drive isn't suitable for DMA or we hit other problems - * then we will drop down to PIO and set up PIO appropriately. - * (return -1) - */ - -static int scc_config_drive_for_dma(ide_drive_t *drive) -{ - if (ide_tune_dma(drive)) - return 0; - - if (ide_use_fast_pio(drive)) - scc_tuneproc(drive, 255); - - return -1; } /** @@ -511,7 +472,7 @@ static u8 scc_udma_filter(ide_drive_t *drive) if ((drive->media != ide_disk) && (mask & 0xE0)) { printk(KERN_INFO "%s: limit %s to UDMA4\n", SCC_PATA_NAME, drive->name); - mask = 0x1F; + mask = ATA_UDMA4; } return mask; @@ -717,43 +678,27 @@ static void __devinit init_hwif_scc(ide_hwif_t *hwif) hwif->dma_setup = scc_dma_setup; hwif->ide_dma_end = scc_ide_dma_end; - hwif->speedproc = scc_tune_chipset; - hwif->tuneproc = scc_tuneproc; - hwif->ide_dma_check = scc_config_drive_for_dma; + hwif->set_pio_mode = scc_set_pio_mode; + hwif->set_dma_mode = scc_set_dma_mode; hwif->ide_dma_test_irq = scc_dma_test_irq; hwif->udma_filter = scc_udma_filter; - hwif->drives[0].autotune = IDE_TUNE_AUTO; - hwif->drives[1].autotune = IDE_TUNE_AUTO; - - if (in_be32((void __iomem *)(hwif->config_data + 0xff0)) & CCKCTRL_ATACLKOEN) { - hwif->ultra_mask = 0x7f; /* 133MHz */ - } else { - hwif->ultra_mask = 0x3f; /* 100MHz */ - } - hwif->mwdma_mask = 0x00; - hwif->swdma_mask = 0x00; - hwif->atapi_dma = 1; + if (in_be32((void __iomem *)(hwif->config_data + 0xff0)) & CCKCTRL_ATACLKOEN) + hwif->ultra_mask = ATA_UDMA6; /* 133MHz */ + else + hwif->ultra_mask = ATA_UDMA5; /* 100MHz */ /* we support 80c cable only. */ hwif->cbl = ATA_CBL_PATA80; - - hwif->autodma = 0; - if (!noautodma) - hwif->autodma = 1; - hwif->drives[0].autodma = hwif->autodma; - hwif->drives[1].autodma = hwif->autodma; } #define DECLARE_SCC_DEV(name_str) \ { \ .name = name_str, \ - .init_setup = init_setup_scc, \ .init_iops = init_iops_scc, \ .init_hwif = init_hwif_scc, \ - .autodma = AUTODMA, \ - .bootable = ON_BOARD, \ - .host_flags = IDE_HFLAG_SINGLE, \ + .host_flags = IDE_HFLAG_SINGLE | \ + IDE_HFLAG_BOOTABLE, \ .pio_mask = ATA_PIO4, \ } @@ -773,7 +718,8 @@ static ide_pci_device_t scc_chipsets[] __devinitdata = { static int __devinit scc_init_one(struct pci_dev *dev, const struct pci_device_id *id) { ide_pci_device_t *d = &scc_chipsets[id->driver_data]; - return d->init_setup(dev, d); + + return init_setup_scc(dev, d); } /** @@ -810,8 +756,8 @@ static void __devexit scc_remove(struct pci_dev *dev) memset(ports, 0, sizeof(*ports)); } -static struct pci_device_id scc_pci_tbl[] = { - { PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_SCC_ATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, +static const struct pci_device_id scc_pci_tbl[] = { + { PCI_VDEVICE(TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_SCC_ATA), 0 }, { 0, }, }; MODULE_DEVICE_TABLE(pci, scc_pci_tbl); |