1/*	$NetBSD: kbdreg.h,v 1.5 2022/01/01 22:01:18 andvar Exp $	*/
2/*	$OpenBSD: kbdreg.h,v 1.3 1996/09/04 21:18:24 pefo Exp $	*/
3
4/*
5 * Copyright (c) 1996 Per Fogelstrom
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *      This product includes software developed by Per Fogelstrom.
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33/*
34 * Keyboard definitions
35 *
36 */
37
38#define	KBSTATP		(0x61)	/* controller status port (I) */
39#define	 KBS_DIB	0x01	/* data in buffer */
40#define	 KBS_IBF	0x02	/* input buffer low */
41#define	 KBS_WARM	0x04	/* input buffer low */
42#define	 KBS_OCMD	0x08	/* output buffer has command */
43#define	 KBS_NOSEC	0x10	/* security lock not engaged */
44#define	 KBS_TERR	0x20	/* transmission error */
45#define	 KBS_RERR	0x40	/* receive error */
46#define	 KBS_PERR	0x80	/* parity error */
47
48#define	KBCMDP		(0x61)	/* controller port (O) */
49#define	KBDATAP		(0x60)	/* data port (I) */
50#define	KBOUTP		(0x60)	/* data port (O) */
51
52#define	K_RDCMDBYTE	0x20
53#define	K_LDCMDBYTE	0x60
54
55#define	KC8_TRANS	0x40	/* convert to old scan codes */
56#define	KC8_MDISABLE	0x20	/* disable mouse */
57#define	KC8_KDISABLE	0x10	/* disable keyboard */
58#define	KC8_IGNSEC	0x08	/* ignore security lock */
59#define	KC8_CPU		0x04	/* exit from protected mode reset */
60#define	KC8_MENABLE	0x02	/* enable mouse interrupt */
61#define	KC8_KENABLE	0x01	/* enable keyboard interrupt */
62#define	CMDBYTE		(KC8_TRANS|KC8_CPU|KC8_MENABLE|KC8_KENABLE)
63
64/* keyboard commands */
65#define	KBC_RESET	0xFF	/* reset the keyboard */
66#define	KBC_RESEND	0xFE	/* request the keyboard resend the last byte */
67#define	KBC_SETDEFAULT	0xF6	/* resets keyboard to its power-on defaults */
68#define	KBC_DISABLE	0xF5	/* as per KBC_SETDEFAULT, but also disable key scanning */
69#define	KBC_ENABLE	0xF4	/* enable key scanning */
70#define	KBC_TYPEMATIC	0xF3	/* set typematic rate and delay */
71#define	KBC_SETTABLE	0xF0	/* set scancode translation table */
72#define	KBC_MODEIND	0xED	/* set mode indicators (i.e. LEDs) */
73#define	KBC_ECHO	0xEE	/* request an echo from the keyboard */
74
75/* keyboard responses */
76#define	KBR_EXTENDED	0xE0	/* extended key sequence */
77#define	KBR_RESEND	0xFE	/* needs resend of command */
78#define	KBR_ACK		0xFA	/* received a valid command */
79#define	KBR_OVERRUN	0x00	/* flooded */
80#define	KBR_FAILURE	0xFD	/* diagnostic failure */
81#define	KBR_BREAK	0xF0	/* break code prefix - sent on key release */
82#define	KBR_RSTDONE	0xAA	/* reset complete */
83#define	KBR_ECHO	0xEE	/* echo response */
84