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path: root/drivers/ide/pdc202xx_old.c
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Diffstat (limited to 'drivers/ide/pdc202xx_old.c')
-rw-r--r--drivers/ide/pdc202xx_old.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index 35161dd840a0..c5f3841af360 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");