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/*

 *  linux/drivers/ide/pci/adma100.c -- basic support for Pacific Digital ADMA-100 boards

 *

 *     Created 09 Apr 2002 by Mark Lord

 *

 *  This file is subject to the terms and conditions of the GNU General Public

 *  License.  See the file COPYING in the main directory of this archive for

 *  more details.

 */

#include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */

#include <linux/types.h>

#include <linux/module.h>

#include <linux/mm.h>

#include <linux/blkdev.h>

#include <linux/hdreg.h>

#include <linux/ide.h>

#include <linux/init.h>

#include <linux/pci.h>

#include <asm/io.h>

#include "adma100.h"

void __init init_hwif_adma100 (ide_hwif_t *hwif)

{

        unsigned long  phy_admctl = pci_resource_start(hwif->pci_dev, 4) + 0x80 + (hwif->channel * 0x20);

        void *v_admctl;

        hwif->autodma  = 0;              // not compatible with normal IDE DMA transfers

        hwif->dma_base = 0;              // disable DMA completely

        hwif->io_ports[IDE_CONTROL_OFFSET] += 4;        // chip needs offset of 6 instead of 2

        v_admctl = ioremap_nocache(phy_admctl, 1024);   // map config regs, so we can turn on drive IRQs

        *((unsigned short *)v_admctl) &= 3;             // enable aIEN; preserve PIO mode

        iounmap(v_admctl);                              // all done; unmap config regs

        printk("ADMA100: initialized %s for basic PIO-only operation\n", hwif->name);

}

extern void ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);

static int __devinit adma100_init_one (struct pci_dev *dev, const struct pci_device_id *id)

{

        ide_pci_device_t *d = &adma100_chipsets[id->driver_data];

        if (dev->device != d->device)

                BUG();

        ide_setup_pci_device(dev, d);

        MOD_INC_USE_COUNT;

        return 0;

}

static struct pci_device_id adma100_pci_tbl[] __devinitdata = {

        { PCI_VENDOR_ID_PDC, PCI_DEVICE_ID_PDC_ADMA100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},

        { 0, },

};

static struct pci_driver driver = {

        .name           = "ADMA100 IDE",

        .id_table       = adma100_pci_tbl,

        .probe          = adma100_init_one,

};

static int adma100_ide_init (void)

{

        return ide_pci_register_driver(&driver);

}

static void adma100_ide_exit (void)

{

        ide_pci_unregister_driver(&driver);

}

module_init(adma100_ide_init);

module_exit(adma100_ide_exit);

MODULE_AUTHOR("Mark Lord");

MODULE_DESCRIPTION("Basic PIO support for ADMA100 IDE");

MODULE_LICENSE("GPL");

EXPORT_NO_SYMBOLS;