X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fide%2Fpci%2Fcmd64x.c;h=3de9ab897e421aff8eb235023ee115189678cf19;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=abea997dc29f5c12bcf2a71eb6187e75b7b6466e;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index abea997dc..3de9ab897 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -25,7 +25,56 @@ #include -#include "cmd64x.h" +#define DISPLAY_CMD64X_TIMINGS + +#define CMD_DEBUG 0 + +#if CMD_DEBUG +#define cmdprintk(x...) printk(x) +#else +#define cmdprintk(x...) +#endif + +/* + * CMD64x specific registers definition. + */ +#define CFR 0x50 +#define CFR_INTR_CH0 0x02 +#define CNTRL 0x51 +#define CNTRL_DIS_RA0 0x40 +#define CNTRL_DIS_RA1 0x80 +#define CNTRL_ENA_2ND 0x08 + +#define CMDTIM 0x52 +#define ARTTIM0 0x53 +#define DRWTIM0 0x54 +#define ARTTIM1 0x55 +#define DRWTIM1 0x56 +#define ARTTIM23 0x57 +#define ARTTIM23_DIS_RA2 0x04 +#define ARTTIM23_DIS_RA3 0x08 +#define ARTTIM23_INTR_CH1 0x10 +#define ARTTIM2 0x57 +#define ARTTIM3 0x57 +#define DRWTIM23 0x58 +#define DRWTIM2 0x58 +#define BRST 0x59 +#define DRWTIM3 0x5b + +#define BMIDECR0 0x70 +#define MRDMODE 0x71 +#define MRDMODE_INTR_CH0 0x04 +#define MRDMODE_INTR_CH1 0x08 +#define MRDMODE_BLK_CH0 0x10 +#define MRDMODE_BLK_CH1 0x20 +#define BMIDESR0 0x72 +#define UDIDETCR0 0x73 +#define DTPR0 0x74 +#define BMIDECR1 0x78 +#define BMIDECSR 0x79 +#define BMIDESR1 0x7A +#define UDIDETCR1 0x7B +#define DTPR1 0x7C #if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS) #include @@ -441,36 +490,16 @@ static int cmd64x_config_drive_for_dma (ide_drive_t *drive) struct hd_driveid *id = drive->id; if ((id != NULL) && ((id->capability & 1) != 0) && drive->autodma) { - /* Consult the list of known "bad" drives */ - if (__ide_dma_bad_drive(drive)) - goto fast_ata_pio; - if ((id->field_valid & 4) && cmd64x_ratemask(drive)) { - if (id->dma_ultra & hwif->ultra_mask) { - /* Force if Capable UltraDMA */ - int dma = config_chipset_for_dma(drive); - if ((id->field_valid & 2) && !dma) - goto try_dma_modes; - } - } else if (id->field_valid & 2) { -try_dma_modes: - if ((id->dma_mword & hwif->mwdma_mask) || - (id->dma_1word & hwif->swdma_mask)) { - /* Force if Capable regular DMA modes */ - if (!config_chipset_for_dma(drive)) - goto no_dma_set; - } - } else if (__ide_dma_good_drive(drive) && - (id->eide_dma_time < 150)) { - /* Consult the list of known "good" drives */ - if (!config_chipset_for_dma(drive)) - goto no_dma_set; - } else { - goto fast_ata_pio; + + if (ide_use_dma(drive)) { + if (config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); } - return hwif->ide_dma_on(drive); + + goto fast_ata_pio; + } else if ((id->capability & 8) || (id->field_valid & 2)) { fast_ata_pio: -no_dma_set: config_chipset_for_pio(drive, 1); return hwif->ide_dma_off_quietly(drive); } @@ -727,10 +756,42 @@ static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif) hwif->drives[1].autodma = hwif->autodma; } +static ide_pci_device_t cmd64x_chipsets[] __devinitdata = { + { /* 0 */ + .name = "CMD643", + .init_chipset = init_chipset_cmd64x, + .init_hwif = init_hwif_cmd64x, + .channels = 2, + .autodma = AUTODMA, + .bootable = ON_BOARD, + },{ /* 1 */ + .name = "CMD646", + .init_chipset = init_chipset_cmd64x, + .init_hwif = init_hwif_cmd64x, + .channels = 2, + .autodma = AUTODMA, + .enablebits = {{0x00,0x00,0x00}, {0x51,0x80,0x80}}, + .bootable = ON_BOARD, + },{ /* 2 */ + .name = "CMD648", + .init_chipset = init_chipset_cmd64x, + .init_hwif = init_hwif_cmd64x, + .channels = 2, + .autodma = AUTODMA, + .bootable = ON_BOARD, + },{ /* 3 */ + .name = "CMD649", + .init_chipset = init_chipset_cmd64x, + .init_hwif = init_hwif_cmd64x, + .channels = 2, + .autodma = AUTODMA, + .bootable = ON_BOARD, + } +}; + static int __devinit cmd64x_init_one(struct pci_dev *dev, const struct pci_device_id *id) { - ide_setup_pci_device(dev, &cmd64x_chipsets[id->driver_data]); - return 0; + return ide_setup_pci_device(dev, &cmd64x_chipsets[id->driver_data]); } static struct pci_device_id cmd64x_pci_tbl[] = {