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/*

 *  linux/drivers/ide/legacy/falconide.c -- Atari Falcon IDE Driver

 *

 *     Created 12 Jul 1997 by Geert Uytterhoeven

 *

 *  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/types.h>

#include <linux/mm.h>

#include <linux/interrupt.h>

#include <linux/blkdev.h>

#include <linux/hdreg.h>

#include <linux/ide.h>

#include <linux/init.h>

#include <asm/setup.h>

#include <asm/atarihw.h>

#include <asm/atariints.h>

#include <asm/atari_stdma.h>

    /*

     *  Base of the IDE interface

     */

#define ATA_HD_BASE     0xfff00000

    /*

     *  Offsets from the above base

     */

#define ATA_HD_DATA     0x00

#define ATA_HD_ERROR    0x05            /* see err-bits */

#define ATA_HD_NSECTOR  0x09            /* nr of sectors to read/write */

#define ATA_HD_SECTOR   0x0d            /* starting sector */

#define ATA_HD_LCYL     0x11            /* starting cylinder */

#define ATA_HD_HCYL     0x15            /* high byte of starting cyl */

#define ATA_HD_SELECT   0x19            /* 101dhhhh , d=drive, hhhh=head */

#define ATA_HD_STATUS   0x1d            /* see status-bits */

#define ATA_HD_CONTROL  0x39

static int falconide_offsets[IDE_NR_PORTS] __initdata = {

    ATA_HD_DATA, ATA_HD_ERROR, ATA_HD_NSECTOR, ATA_HD_SECTOR, ATA_HD_LCYL,

    ATA_HD_HCYL, ATA_HD_SELECT, ATA_HD_STATUS, ATA_HD_CONTROL, -1

};

    /*

     *  falconide_intr_lock is used to obtain access to the IDE interrupt,

     *  which is shared between several drivers.

     */

int falconide_intr_lock;

    /*

     *  Probe for a Falcon IDE interface

     */

void __init falconide_init(void)

{

    if (MACH_IS_ATARI && ATARIHW_PRESENT(IDE)) {

        hw_regs_t hw;

        int index;

        ide_setup_ports(&hw, (ide_ioreg_t)ATA_HD_BASE, falconide_offsets,

                        0, 0, NULL,

//                      falconide_iops,

                        IRQ_MFP_IDE);

        index = ide_register_hw(&hw, NULL);

        if (index != -1)

            printk("ide%d: Falcon IDE interface\n", index);

    }

}