diff options
Diffstat (limited to 'drivers/ide/pci/sis5513.c')
| -rw-r--r-- | drivers/ide/pci/sis5513.c | 51 |
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, ®54); + drive_pci = ((reg54 & 0x40000000) ? 0x70 : 0x40) + drive->dn * 4; + pci_read_config_dword(dev, drive_pci, ®dw); + + /* 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; |