diff options
Diffstat (limited to 'drivers/ide/pci/slc90e66.c')
| -rw-r--r-- | drivers/ide/pci/slc90e66.c | 67 |
1 files changed, 16 insertions, 51 deletions
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index ebac87f7200a..fa8df6d43832 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/slc90e66.c Version 0.16 Jul 14, 2007 + * linux/drivers/ide/pci/slc90e66.c Version 0.18 Aug 9, 2007 * * Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org> * Copyright (C) 2006-2007 MontaVista Software, Inc. <source@mvista.com> @@ -21,27 +21,6 @@ #include <asm/io.h> -static u8 slc90e66_dma_2_pio (u8 xfer_rate) { - switch(xfer_rate) { - case XFER_UDMA_4: - case XFER_UDMA_3: - case XFER_UDMA_2: - case XFER_UDMA_1: - case XFER_UDMA_0: - case XFER_MW_DMA_2: - return 4; - case XFER_MW_DMA_1: - return 3; - case XFER_SW_DMA_2: - return 2; - case XFER_MW_DMA_0: - case XFER_SW_DMA_1: - case XFER_SW_DMA_0: - default: - return 0; - } -} - static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); @@ -132,26 +111,21 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed) pci_write_config_word(dev, 0x4a, reg4a|u_speed); } } else { + const u8 mwdma_to_pio[] = { 0, 3, 4 }; + u8 pio; + if (reg48 & u_flag) pci_write_config_word(dev, 0x48, reg48 & ~u_flag); if (reg4a & a_speed) pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); - } - - slc90e66_set_pio_mode(drive, slc90e66_dma_2_pio(speed)); -} -static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive) -{ - drive->init_speed = 0; - - if (ide_tune_dma(drive)) - return 0; - - if (ide_use_fast_pio(drive)) - ide_set_max_pio(drive); + if (speed >= XFER_MW_DMA_0) + pio = mwdma_to_pio[speed - XFER_MW_DMA_0]; + else + pio = 2; /* only SWDMA2 is allowed */ - return -1; + slc90e66_set_pio_mode(drive, pio); + } } static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif) @@ -159,8 +133,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif) u8 reg47 = 0; u8 mask = hwif->channel ? 0x01 : 0x02; /* bit0:Primary */ - hwif->autodma = 0; - if (!hwif->irq) hwif->irq = hwif->channel ? 15 : 14; @@ -169,11 +141,11 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif) pci_read_config_byte(hwif->pci_dev, 0x47, ®47); - if (!hwif->dma_base) { - hwif->drives[0].autotune = 1; - hwif->drives[1].autotune = 1; + hwif->drives[0].autotune = 1; + hwif->drives[1].autotune = 1; + + if (hwif->dma_base == 0) return; - } hwif->atapi_dma = 1; hwif->ultra_mask = 0x1f; @@ -183,13 +155,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif) if (hwif->cbl != ATA_CBL_PATA40_SHORT) /* bit[0(1)]: 0:80, 1:40 */ hwif->cbl = (reg47 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80; - - hwif->ide_dma_check = &slc90e66_config_drive_xfer_rate; - - if (!noautodma) - hwif->autodma = 1; - hwif->drives[0].autodma = hwif->autodma; - hwif->drives[1].autodma = hwif->autodma; } static ide_pci_device_t slc90e66_chipset __devinitdata = { @@ -206,8 +171,8 @@ static int __devinit slc90e66_init_one(struct pci_dev *dev, const struct pci_dev return ide_setup_pci_device(dev, &slc90e66_chipset); } -static struct pci_device_id slc90e66_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1), 0}, +static const struct pci_device_id slc90e66_pci_tbl[] = { + { PCI_VDEVICE(EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1), 0 }, { 0, }, }; MODULE_DEVICE_TABLE(pci, slc90e66_pci_tbl); |