Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
[pandora-kernel.git] / drivers / ide / pci / cmd64x.c
index 9828039..49df275 100644 (file)
@@ -14,7 +14,6 @@
  * Copyright (C) 1999-2002     Andre Hedrick <andre@linux-ide.org>
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/pci.h>
@@ -189,14 +188,6 @@ static int cmd64x_get_info (char *buffer, char **addr, off_t offset, int count)
 
 #endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS) */
 
-/*
- * Registers and masks for easy access by drive index:
- */
-#if 0
-static u8 prefetch_regs[4]  = {CNTRL, CNTRL, ARTTIM23, ARTTIM23};
-static u8 prefetch_masks[4] = {CNTRL_DIS_RA0, CNTRL_DIS_RA1, ARTTIM23_DIS_RA2, ARTTIM23_DIS_RA3};
-#endif
-
 /*
  * This routine writes the prepared setup/active/recovery counts
  * for a drive into the cmd646 chipset registers to active them.
@@ -475,36 +466,21 @@ static int config_chipset_for_dma (ide_drive_t *drive)
        if (!speed)
                return 0;
 
-       if(ide_set_xfer_rate(drive, speed))
-               return 0; 
-
-       if (!drive->init_speed)
-               drive->init_speed = speed;
+       if (cmd64x_tune_chipset(drive, speed))
+               return 0;
 
        return ide_dma_enable(drive);
 }
 
 static int cmd64x_config_drive_for_dma (ide_drive_t *drive)
 {
-       ide_hwif_t *hwif        = HWIF(drive);
-       struct hd_driveid *id   = drive->id;
-
-       if ((id != NULL) && ((id->capability & 1) != 0) && drive->autodma) {
-
-               if (ide_use_dma(drive)) {
-                       if (config_chipset_for_dma(drive))
-                               return hwif->ide_dma_on(drive);
-               }
-
-               goto fast_ata_pio;
+       if (ide_use_dma(drive) && config_chipset_for_dma(drive))
+               return 0;
 
-       } else if ((id->capability & 8) || (id->field_valid & 2)) {
-fast_ata_pio:
+       if (ide_use_fast_pio(drive))
                config_chipset_for_pio(drive, 1);
-               return hwif->ide_dma_off_quietly(drive);
-       }
-       /* IORDY not supported */
-       return 0;
+
+       return -1;
 }
 
 static int cmd64x_alt_dma_status (struct pci_dev *dev)
@@ -527,13 +503,13 @@ static int cmd64x_ide_dma_end (ide_drive_t *drive)
 
        drive->waiting_for_dma = 0;
        /* read DMA command state */
-       dma_cmd = hwif->INB(hwif->dma_command);
+       dma_cmd = inb(hwif->dma_command);
        /* stop DMA */
-       hwif->OUTB((dma_cmd & ~1), hwif->dma_command);
+       outb(dma_cmd & ~1, hwif->dma_command);
        /* get DMA status */
-       dma_stat = hwif->INB(hwif->dma_status);
+       dma_stat = inb(hwif->dma_status);
        /* clear the INTR & ERROR bits */
-       hwif->OUTB(dma_stat|6, hwif->dma_status);
+       outb(dma_stat | 6, hwif->dma_status);
        if (cmd64x_alt_dma_status(dev)) {
                u8 dma_intr     = 0;
                u8 dma_mask     = (hwif->channel) ? ARTTIM23_INTR_CH1 :
@@ -555,7 +531,7 @@ static int cmd64x_ide_dma_test_irq (ide_drive_t *drive)
        struct pci_dev *dev             = hwif->pci_dev;
         u8 dma_alt_stat = 0, mask      = (hwif->channel) ? MRDMODE_INTR_CH1 :
                                                            MRDMODE_INTR_CH0;
-       u8 dma_stat = hwif->INB(hwif->dma_status);
+       u8 dma_stat = inb(hwif->dma_status);
 
        (void) pci_read_config_byte(dev, MRDMODE, &dma_alt_stat);
 #ifdef DEBUG
@@ -585,13 +561,13 @@ static int cmd646_1_ide_dma_end (ide_drive_t *drive)
 
        drive->waiting_for_dma = 0;
        /* get DMA status */
-       dma_stat = hwif->INB(hwif->dma_status);
+       dma_stat = inb(hwif->dma_status);
        /* read DMA command state */
-       dma_cmd = hwif->INB(hwif->dma_command);
+       dma_cmd = inb(hwif->dma_command);
        /* stop DMA */
-       hwif->OUTB((dma_cmd & ~1), hwif->dma_command);
+       outb(dma_cmd & ~1, hwif->dma_command);
        /* clear the INTR & ERROR bits */
-       hwif->OUTB(dma_stat|6, hwif->dma_status);
+       outb(dma_stat | 6, hwif->dma_status);
        /* and free any DMA resources */
        ide_destroy_dmatable(drive);
        /* verify good DMA status */
@@ -606,14 +582,6 @@ static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const cha
        pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
        class_rev &= 0xff;
 
-#ifdef __i386__
-       if (dev->resource[PCI_ROM_RESOURCE].start) {
-               pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
-               printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name,
-                       (unsigned long)dev->resource[PCI_ROM_RESOURCE].start);
-       }
-#endif
-
        switch(dev->device) {
                case PCI_DEVICE_ID_CMD_643:
                        break;
@@ -810,7 +778,7 @@ static struct pci_driver driver = {
        .probe          = cmd64x_init_one,
 };
 
-static int cmd64x_ide_init(void)
+static int __init cmd64x_ide_init(void)
 {
        return ide_pci_register_driver(&driver);
 }