diff options
Diffstat (limited to 'drivers/ide/pci/sl82c105.c')
| -rw-r--r-- | drivers/ide/pci/sl82c105.c | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 7c383d9cc472..0947cab00595 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -52,12 +52,13 @@ * Convert a PIO mode and cycle time to the required on/off times * for the interface. This has protection against runaway timings. */ -static unsigned int get_pio_timings(ide_pio_data_t *p) +static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio) { unsigned int cmd_on, cmd_off; + u8 iordy = 0; - cmd_on = (ide_pio_timings[p->pio_mode].active_time + 29) / 30; - cmd_off = (p->cycle_time - 30 * cmd_on + 29) / 30; + cmd_on = (ide_pio_timings[pio].active_time + 29) / 30; + cmd_off = (ide_pio_cycle_time(drive, pio) - 30 * cmd_on + 29) / 30; if (cmd_on == 0) cmd_on = 1; @@ -65,7 +66,10 @@ static unsigned int get_pio_timings(ide_pio_data_t *p) if (cmd_off == 0) cmd_off = 1; - return (cmd_on - 1) << 8 | (cmd_off - 1) | (p->use_iordy ? 0x40 : 0x00); + if (pio > 2 || ide_dev_has_iordy(drive->id)) + iordy = 0x40; + + return (cmd_on - 1) << 8 | (cmd_off - 1) | iordy; } /* @@ -75,14 +79,13 @@ static u8 sl82c105_tune_pio(ide_drive_t *drive, u8 pio) { struct pci_dev *dev = HWIF(drive)->pci_dev; int reg = 0x44 + drive->dn * 4; - ide_pio_data_t p; u16 drv_ctrl; DBG(("sl82c105_tune_pio(drive:%s, pio:%u)\n", drive->name, pio)); - pio = ide_get_best_pio_mode(drive, pio, 5, &p); + pio = ide_get_best_pio_mode(drive, pio, 5); - drv_ctrl = get_pio_timings(&p); + drv_ctrl = get_pio_timings(drive, pio); /* * Store the PIO timings so that we can restore them @@ -101,7 +104,8 @@ static u8 sl82c105_tune_pio(ide_drive_t *drive, u8 pio) } printk(KERN_DEBUG "%s: selected %s (%dns) (%04X)\n", drive->name, - ide_xfer_verbose(pio + XFER_PIO_0), p.cycle_time, drv_ctrl); + ide_xfer_verbose(pio + XFER_PIO_0), + ide_pio_cycle_time(drive, pio), drv_ctrl); return pio; } @@ -195,7 +199,7 @@ static inline void sl82c105_reset_host(struct pci_dev *dev) * This function is called when the IDE timer expires, the drive * indicates that it is READY, and we were waiting for DMA to complete. */ -static int sl82c105_ide_dma_lostirq(ide_drive_t *drive) +static void sl82c105_dma_lost_irq(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -222,9 +226,6 @@ static int sl82c105_ide_dma_lostirq(ide_drive_t *drive) } sl82c105_reset_host(dev); - - /* __ide_dma_lostirq would return 1, so we do as well */ - return 1; } /* @@ -244,15 +245,12 @@ static void sl82c105_dma_start(ide_drive_t *drive) ide_dma_start(drive); } -static int sl82c105_ide_dma_timeout(ide_drive_t *drive) +static void sl82c105_dma_timeout(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - - DBG(("sl82c105_ide_dma_timeout(drive:%s)\n", drive->name)); + DBG(("sl82c105_dma_timeout(drive:%s)\n", drive->name)); - sl82c105_reset_host(dev); - return __ide_dma_timeout(drive); + sl82c105_reset_host(HWIF(drive)->pci_dev); + ide_dma_timeout(drive); } static int sl82c105_ide_dma_on(ide_drive_t *drive) @@ -344,7 +342,6 @@ static void sl82c105_tune_drive(ide_drive_t *drive, u8 pio) static unsigned int sl82c105_bridge_revision(struct pci_dev *dev) { struct pci_dev *bridge; - u8 rev; /* * The bridge should be part of the same device, but function 0. @@ -366,10 +363,9 @@ static unsigned int sl82c105_bridge_revision(struct pci_dev *dev) /* * We need to find function 0's revision, not function 1 */ - pci_read_config_byte(bridge, PCI_REVISION_ID, &rev); pci_dev_put(bridge); - return rev; + return bridge->revision; } /* @@ -441,9 +437,9 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif) hwif->ide_dma_check = &sl82c105_ide_dma_check; hwif->ide_dma_on = &sl82c105_ide_dma_on; hwif->dma_off_quietly = &sl82c105_dma_off_quietly; - hwif->ide_dma_lostirq = &sl82c105_ide_dma_lostirq; + hwif->dma_lost_irq = &sl82c105_dma_lost_irq; hwif->dma_start = &sl82c105_dma_start; - hwif->ide_dma_timeout = &sl82c105_ide_dma_timeout; + hwif->dma_timeout = &sl82c105_dma_timeout; if (!noautodma) hwif->autodma = 1; @@ -457,10 +453,10 @@ static ide_pci_device_t sl82c105_chipset __devinitdata = { .name = "W82C105", .init_chipset = init_chipset_sl82c105, .init_hwif = init_hwif_sl82c105, - .channels = 2, .autodma = NOAUTODMA, .enablebits = {{0x40,0x01,0x01}, {0x40,0x10,0x10}}, .bootable = ON_BOARD, + .pio_mask = ATA_PIO5, }; static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id) |