kb_hbreg.h revision 1.2 
1/*	$NetBSD: kb_hbreg.h,v 1.2 2008/05/14 13:29:28 tsutsui Exp $	*/
2
3/*-
4 * Copyright (c) 2001 Izumi Tsutsui.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27/* register port offsets */
28#define KB_REG_DATA		0
29#define KB_REG_STAT		1
30#define KB_REG_INTE		2
31#define KB_REG_RESET		3
32#define KB_REG_INIT1		4
33#define KB_REG_INIT2		5
34#define KB_REG_BUZZ		6
35#define KB_REG_BUZZF		7
36
37#define KB_INTE			0x01	/* interrupt enable */
38
39/* status port definitions */
40#define KBSTAT_INT		0x08	/* keyboard interrut flag */
41#define KBSTAT_BUF		0x20	/* keyboard buffer full */
42#define KBSTAT_RDY		0x80	/* keyboard Rx data ready */
43