xref: /netbsd/sys/arch/arc/include/kbdreg.h (revision bf9ec67e)
1 /*	$NetBSD: kbdreg.h,v 1.4 2000/01/23 21:01:57 soda 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	/* diagnosic 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