1 /*        $NetBSD: kbcreg.h,v 1.3 2022/10/31 20:30:23 andvar 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 KBC_KBREG_DATA                  0
29 #define KBC_KBREG_STAT                  1
30 #define KBC_KBREG_INTE                  2
31 #define KBC_KBREG_RESET                 3
32 #define KBC_KBREG_BUZZ                  4
33 
34 #define KBC_MSREG_DATA                  5
35 #define KBC_MSREG_STAT                  KBC_KBREG_STAT
36 #define KBC_MSREG_INTE                  6
37 #define KBC_MSREG_RESET                 7
38 
39 #define KBC_INTE              0x01      /* interrupt enable */
40 
41 /* status port definitions */
42 #define KBCSTAT_MSINT                   0x04      /* mouse interrupt flag */
43 #define KBCSTAT_KBINT                   0x08      /* keyboard interrupt flag */
44 #define KBCSTAT_MSBUF                   0x10      /* mouse buffer full */
45 #define KBCSTAT_KBBUF                   0x20      /* keyboard buffer full */
46 #define KBCSTAT_MSRDY                   0x40      /* mouse Rx data ready */
47 #define KBCSTAT_KBRDY                   0x80      /* keyboard Rx data ready */
48