diff options
Diffstat (limited to 'drivers/ide/pci/piix.c')
| -rw-r--r-- | drivers/ide/pci/piix.c | 125 |
1 files changed, 36 insertions, 89 deletions
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index 38c91ba6497..a8dd0c0add3 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/piix.c Version 0.52 Jul 14, 2007 + * linux/drivers/ide/pci/piix.c Version 0.53 Aug 9, 2007 * * Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> @@ -106,37 +106,6 @@ static int no_piix_dma; /** - * piix_dma_2_pio - return the PIO mode matching DMA - * @xfer_rate: transfer speed - * - * Returns the nearest equivalent PIO timing for the DMA - * mode requested by the controller. - */ - -static u8 piix_dma_2_pio (u8 xfer_rate) { - switch(xfer_rate) { - case XFER_UDMA_6: - case XFER_UDMA_5: - 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; - } -} - -/** * piix_set_pio_mode - set host controller for PIO mode * @drive: drive * @pio: PIO mode number @@ -263,6 +232,9 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed) } else pci_write_config_byte(dev, 0x54, reg54 & ~v_flag); } else { + const u8 mwdma_to_pio[] = { 0, 3, 4 }; + u8 pio; + if (reg48 & u_flag) pci_write_config_byte(dev, 0x48, reg48 & ~u_flag); if (reg4a & a_speed) @@ -271,30 +243,14 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed) pci_write_config_byte(dev, 0x54, reg54 & ~v_flag); if (reg55 & w_flag) pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag); - } - piix_set_pio_mode(drive, piix_dma_2_pio(speed)); -} - -/** - * piix_config_drive_xfer_rate - set up an IDE device - * @drive: IDE drive to configure - * - * Set up the PIIX interface for the best available speed on this - * interface, preferring DMA to PIO. - */ - -static int piix_config_drive_xfer_rate (ide_drive_t *drive) -{ - drive->init_speed = 0; + if (speed >= XFER_MW_DMA_0) + pio = mwdma_to_pio[speed - XFER_MW_DMA_0]; + else + pio = 2; /* only SWDMA2 is allowed */ - if (ide_tune_dma(drive)) - return 0; - - if (ide_use_fast_pio(drive)) - ide_set_max_pio(drive); - - return -1; + piix_set_pio_mode(drive, pio); + } } /** @@ -428,8 +384,6 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif) return; } - hwif->autodma = 0; - hwif->set_pio_mode = &piix_set_pio_mode; hwif->set_dma_mode = &piix_set_dma_mode; @@ -456,13 +410,6 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif) if (no_piix_dma) hwif->ultra_mask = hwif->mwdma_mask = hwif->swdma_mask = 0; - - hwif->ide_dma_check = &piix_config_drive_xfer_rate; - if (!noautodma) - hwif->autodma = 1; - - hwif->drives[1].autodma = hwif->autodma; - hwif->drives[0].autodma = hwif->autodma; } #define DECLARE_PIIX_DEV(name_str, udma) \ @@ -565,34 +512,34 @@ static void __devinit piix_check_450nx(void) printk(KERN_WARNING "piix: A BIOS update may resolve this.\n"); } -static struct pci_device_id piix_pci_tbl[] = { - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371FB_0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371FB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371MX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371SB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443MX_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82372FB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10,PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_11,PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_11,PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_11,PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_11, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_10,PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17}, +static const struct pci_device_id piix_pci_tbl[] = { + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82371FB_0), 0 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82371FB_1), 1 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82371MX), 2 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82371SB_1), 3 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82371AB), 4 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801AB_1), 5 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82443MX_1), 6 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801AA_1), 7 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82372FB_1), 8 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82451NX), 9 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801BA_9), 10 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801BA_8), 11 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801CA_10), 12 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801CA_11), 13 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_11), 14 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801EB_11), 15 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801E_11), 16 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_10), 17 }, #ifdef CONFIG_BLK_DEV_IDE_SATA - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18}, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801EB_1), 18 }, #endif - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_19, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 20}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 21}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 22}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_18, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 23}, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 24}, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2), 19 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19), 20 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21), 21 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1), 22 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18), 23 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6), 24 }, { 0, }, }; MODULE_DEVICE_TABLE(pci, piix_pci_tbl); |