diff options
Diffstat (limited to 'drivers/ide/pdc202xx_old.c')
| -rw-r--r-- | drivers/ide/pdc202xx_old.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c index 35161dd840a..c5f3841af36 100644 --- a/drivers/ide/pdc202xx_old.c +++ b/drivers/ide/pdc202xx_old.c @@ -1,7 +1,7 @@ /* * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org> * Copyright (C) 2006-2007, 2009 MontaVista Software, Inc. - * Copyright (C) 2007 Bartlomiej Zolnierkiewicz + * Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz * * Portions Copyright (C) 1999 Promise Technology, Inc. * Author: Frank Tiernan (frankt@promise.com) @@ -21,23 +21,15 @@ #define DRV_NAME "pdc202xx_old" -static void pdc_old_disable_66MHz_clock(ide_hwif_t *); - -static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) +static void pdc202xx_set_mode(ide_hwif_t *hwif, ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; struct pci_dev *dev = to_pci_dev(hwif->dev); u8 drive_pci = 0x60 + (drive->dn << 2); + const u8 speed = drive->dma_mode; u8 AP = 0, BP = 0, CP = 0; u8 TA = 0, TB = 0, TC = 0; - /* - * TODO: do this once per channel - */ - if (dev->device != PCI_DEVICE_ID_PROMISE_20246) - pdc_old_disable_66MHz_clock(hwif); - pci_read_config_byte(dev, drive_pci, &AP); pci_read_config_byte(dev, drive_pci + 1, &BP); pci_read_config_byte(dev, drive_pci + 2, &CP); @@ -84,9 +76,10 @@ static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) } } -static void pdc202xx_set_pio_mode(ide_drive_t *drive, const u8 pio) +static void pdc202xx_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) { - pdc202xx_set_mode(drive, XFER_PIO_0 + pio); + drive->dma_mode = drive->pio_mode; + pdc202xx_set_mode(hwif, drive); } static int pdc202xx_test_irq(ide_hwif_t *hwif) @@ -100,13 +93,13 @@ static int pdc202xx_test_irq(ide_hwif_t *hwif) * bit 7: error, bit 6: interrupting, * bit 5: FIFO full, bit 4: FIFO empty */ - return ((sc1d & 0x50) == 0x40) ? 1 : 0; + return ((sc1d & 0x50) == 0x50) ? 1 : 0; } else { /* * bit 3: error, bit 2: interrupting, * bit 1: FIFO full, bit 0: FIFO empty */ - return ((sc1d & 0x05) == 0x04) ? 1 : 0; + return ((sc1d & 0x05) == 0x05) ? 1 : 0; } } @@ -145,6 +138,11 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif) outb(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg); } +static void pdc2026x_init_hwif(ide_hwif_t *hwif) +{ + pdc_old_disable_66MHz_clock(hwif); +} + static void pdc202xx_dma_start(ide_drive_t *drive) { if (drive->current_speed > XFER_UDMA_2) @@ -261,6 +259,7 @@ static const struct ide_dma_ops pdc2026x_dma_ops = { { \ .name = DRV_NAME, \ .init_chipset = init_chipset_pdc202xx, \ + .init_hwif = pdc2026x_init_hwif, \ .port_ops = &pdc2026x_port_ops, \ .dma_ops = &pdc2026x_dma_ops, \ .host_flags = IDE_HFLAGS_PDC202XX, \ @@ -356,6 +355,6 @@ static void __exit pdc202xx_ide_exit(void) module_init(pdc202xx_ide_init); module_exit(pdc202xx_ide_exit); -MODULE_AUTHOR("Andre Hedrick, Frank Tiernan"); +MODULE_AUTHOR("Andre Hedrick, Frank Tiernan, Bartlomiej Zolnierkiewicz"); MODULE_DESCRIPTION("PCI driver module for older Promise IDE"); MODULE_LICENSE("GPL"); |