2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 2002 Jason L. Wright (jason@thought.net)
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Jason L. Wright
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
33 * Effort sponsored in part by the Defense Advanced Research Projects
34 * Agency (DARPA) and Air Force Research Laboratory, Air Force
35 * Materiel Command, USAF, under agreement number F30602-01-2-0537.
40 /* keyboard commands (host->kbd) */
41 #define SKBD_CMD_RESET 0x01
42 #define SKBD_CMD_BELLON 0x02
43 #define SKBD_CMD_BELLOFF 0x03
44 #define SKBD_CMD_CLICKON 0x0a
45 #define SKBD_CMD_CLICKOFF 0x0b
46 #define SKBD_CMD_SETLED 0x0e
47 #define SKBD_CMD_LAYOUT 0x0f
49 /* keyboard responses (kbd->host) */
50 #define SKBD_RSP_RESET_OK 0x04 /* normal reset status for type 4/5/6 */
51 #define SKBD_RSP_IDLE 0x7f /* no keys down */
52 #define SKBD_RSP_LAYOUT 0xfe /* layout follows */
53 #define SKBD_RSP_RESET 0xff /* reset status follows */
55 #define SKBD_LED_NUMLOCK 0x01
56 #define SKBD_LED_COMPOSE 0x02
57 #define SKBD_LED_SCROLLLOCK 0x04
58 #define SKBD_LED_CAPSLOCK 0x08
60 #define SKBD_STATE_RESET 0
61 #define SKBD_STATE_LAYOUT 1
62 #define SKBD_STATE_GETKEY 2
65 #define KB_SUN2 2 /* type 2 keyboard */
66 #define KB_SUN3 3 /* type 3 keyboard */
67 #define KB_SUN4 4 /* type 4/5/6 keyboard */
69 #define SKBD_KEY_RELEASE 0x80
70 #define SKBD_KEY_CHAR(c) ((c) & 0x7f)