diff options
Diffstat (limited to 'drivers/ide/pdc202xx_old.c')
| -rw-r--r-- | drivers/ide/pdc202xx_old.c | 118 |
1 files changed, 27 insertions, 91 deletions
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c index b3bc96f930a6..cb812f3700e8 100644 --- a/drivers/ide/pdc202xx_old.c +++ b/drivers/ide/pdc202xx_old.c @@ -23,18 +23,6 @@ #define PDC202XX_DEBUG_DRIVE_INFO 0 -static const char *pdc_quirk_drives[] = { - "QUANTUM FIREBALLlct08 08", - "QUANTUM FIREBALLP KA6.4", - "QUANTUM FIREBALLP KA9.1", - "QUANTUM FIREBALLP LM20.4", - "QUANTUM FIREBALLP KX13.6", - "QUANTUM FIREBALLP KX20.5", - "QUANTUM FIREBALLP KX27.3", - "QUANTUM FIREBALLP LM20.5", - NULL -}; - static void pdc_old_disable_66MHz_clock(ide_hwif_t *); static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) @@ -85,7 +73,7 @@ static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) * Prefetch_EN / IORDY_EN / PA[3:0] bits of register A */ AP &= ~0x3f; - if (ata_id_iordy_disable(drive->id)) + if (ide_pio_need_iordy(drive, speed - XFER_PIO_0)) AP |= 0x20; /* set IORDY_EN bit */ if (drive->media == ide_disk) AP |= 0x10; /* set Prefetch_EN bit */ @@ -116,6 +104,27 @@ static void pdc202xx_set_pio_mode(ide_drive_t *drive, const u8 pio) pdc202xx_set_mode(drive, XFER_PIO_0 + pio); } +static int pdc202xx_test_irq(ide_hwif_t *hwif) +{ + struct pci_dev *dev = to_pci_dev(hwif->dev); + unsigned long high_16 = pci_resource_start(dev, 4); + u8 sc1d = inb(high_16 + 0x1d); + + if (hwif->channel) { + /* + * bit 7: error, bit 6: interrupting, + * bit 5: FIFO full, bit 4: FIFO empty + */ + return ((sc1d & 0x50) == 0x40) ? 1 : 0; + } else { + /* + * bit 3: error, bit 2: interrupting, + * bit 1: FIFO full, bit 0: FIFO empty + */ + return ((sc1d & 0x05) == 0x04) ? 1 : 0; + } +} + static u8 pdc2026x_cable_detect(ide_hwif_t *hwif) { struct pci_dev *dev = to_pci_dev(hwif->dev); @@ -151,19 +160,6 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif) outb(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg); } -static void pdc202xx_quirkproc(ide_drive_t *drive) -{ - const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; - - for (list = pdc_quirk_drives; *list != NULL; list++) - if (strstr(m, *list) != NULL) { - drive->quirk_list = 2; - return; - } - - drive->quirk_list = 0; -} - static void pdc202xx_dma_start(ide_drive_t *drive) { if (drive->current_speed > XFER_UDMA_2) @@ -177,7 +173,7 @@ static void pdc202xx_dma_start(ide_drive_t *drive) u8 clock = inb(high_16 + 0x11); outb(clock | (hwif->channel ? 0x08 : 0x02), high_16 + 0x11); - word_count = (rq->nr_sectors << 8); + word_count = (blk_rq_sectors(rq) << 8); word_count = (rq_data_dir(rq) == READ) ? word_count | 0x05000000 : word_count | 0x06000000; @@ -203,52 +199,6 @@ static int pdc202xx_dma_end(ide_drive_t *drive) return ide_dma_end(drive); } -static int pdc202xx_dma_test_irq(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - unsigned long high_16 = hwif->extra_base - 16; - u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); - u8 sc1d = inb(high_16 + 0x001d); - - if (hwif->channel) { - /* bit7: Error, bit6: Interrupting, bit5: FIFO Full, bit4: FIFO Empty */ - if ((sc1d & 0x50) == 0x50) - goto somebody_else; - else if ((sc1d & 0x40) == 0x40) - return (dma_stat & 4) == 4; - } else { - /* bit3: Error, bit2: Interrupting, bit1: FIFO Full, bit0: FIFO Empty */ - if ((sc1d & 0x05) == 0x05) - goto somebody_else; - else if ((sc1d & 0x04) == 0x04) - return (dma_stat & 4) == 4; - } -somebody_else: - return (dma_stat & 4) == 4; /* return 1 if INTR asserted */ -} - -static void pdc202xx_reset(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - unsigned long high_16 = hwif->extra_base - 16; - u8 udma_speed_flag = inb(high_16 | 0x001f); - - printk(KERN_WARNING "PDC202xx: software reset...\n"); - - outb(udma_speed_flag | 0x10, high_16 | 0x001f); - mdelay(100); - outb(udma_speed_flag & ~0x10, high_16 | 0x001f); - mdelay(2000); /* 2 seconds ?! */ - - ide_set_max_pio(drive); -} - -static void pdc202xx_dma_lost_irq(ide_drive_t *drive) -{ - pdc202xx_reset(drive); - ide_dma_lost_irq(drive); -} - static int init_chipset_pdc202xx(struct pci_dev *dev) { unsigned long dmabase = pci_resource_start(dev, 4); @@ -302,37 +252,23 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev, static const struct ide_port_ops pdc20246_port_ops = { .set_pio_mode = pdc202xx_set_pio_mode, .set_dma_mode = pdc202xx_set_mode, - .quirkproc = pdc202xx_quirkproc, + .test_irq = pdc202xx_test_irq, }; static const struct ide_port_ops pdc2026x_port_ops = { .set_pio_mode = pdc202xx_set_pio_mode, .set_dma_mode = pdc202xx_set_mode, - .quirkproc = pdc202xx_quirkproc, - .resetproc = pdc202xx_reset, .cable_detect = pdc2026x_cable_detect, }; -static const struct ide_dma_ops pdc20246_dma_ops = { - .dma_host_set = ide_dma_host_set, - .dma_setup = ide_dma_setup, - .dma_start = ide_dma_start, - .dma_end = ide_dma_end, - .dma_test_irq = pdc202xx_dma_test_irq, - .dma_lost_irq = ide_dma_lost_irq, - .dma_timer_expiry = ide_dma_sff_timer_expiry, - .dma_sff_read_status = ide_dma_sff_read_status, -}; - static const struct ide_dma_ops pdc2026x_dma_ops = { .dma_host_set = ide_dma_host_set, .dma_setup = ide_dma_setup, .dma_start = pdc202xx_dma_start, .dma_end = pdc202xx_dma_end, - .dma_test_irq = pdc202xx_dma_test_irq, - .dma_lost_irq = pdc202xx_dma_lost_irq, + .dma_test_irq = ide_dma_test_irq, + .dma_lost_irq = ide_dma_lost_irq, .dma_timer_expiry = ide_dma_sff_timer_expiry, - .dma_clear = pdc202xx_reset, .dma_sff_read_status = ide_dma_sff_read_status, }; @@ -354,7 +290,7 @@ static const struct ide_port_info pdc202xx_chipsets[] __devinitdata = { .name = DRV_NAME, .init_chipset = init_chipset_pdc202xx, .port_ops = &pdc20246_port_ops, - .dma_ops = &pdc20246_dma_ops, + .dma_ops = &sff_dma_ops, .host_flags = IDE_HFLAGS_PDC202XX, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, |