/*	$NetBSD: icsidereg.h,v 1.2 1997/03/15 18:09:35 is Exp $	*/

/*
 * Copyright (c) 1997 Mark Brinicombe
 * Copyright (c) 1997 Causality Limited
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Mark Brinicombe.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * Registers and address offsets for the ICS IDE card.
 */

/* IDE drive registers */

#define DRIVE_REGISTERS_OFFSET		0x2800
#define DRIVE_REGISTER_SPACING		64	/* Bytes */
#define DRIVE_REGISTER_SPACE		0x200

#define AUX_STATUS_REGISTER_OFFSET	0x2a80

/* Other registers */

#define ROM_PAGING_REGISTER_OFFSET	0x0000
#define IRQ_STATUS_REGISTER_OFFSET	0x0000
#define IRQ_STATUS_REGISTER_MASK	0x01

/* Write to enable, Read to disable */

#define IRQ_ENABLE_REGISTER_OFFSET	0x1004