1 /* $OpenBSD: vgareg.h,v 1.3 2004/04/02 04:39:50 deraadt Exp $ */
2 /* $NetBSD: vgareg.h,v 1.2 1998/05/28 16:48:41 drochner Exp $ */
3
4 /*
5 * Copyright (c) 1998
6 * Matthias Drochner. 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 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30 #pragma pack(1)
31
32 struct reg_vgaattr { /* indexed via port 0x3c0 */
33 u_int8_t palette[16];
34 u_int8_t mode, overscan, colplen, horpixpan;
35 u_int8_t colreset, misc;
36 };
37 #define VGA_ATC_INDEX 0
38 #define VGA_ATC_DATAW 0
39 #define VGA_ATC_DATAR 1
40
41 struct reg_vgats { /* indexed via port 0x3c4 */
42 u_int8_t syncreset, mode, wrplmask, fontsel, memmode;
43 };
44 #define VGA_TS_INDEX 4
45 #define VGA_TS_DATA 5
46
47 struct reg_vgagdc { /* indexed via port 0x3ce */
48 u_int8_t setres, ensetres, colorcomp, rotfunc;
49 u_int8_t rdplanesel, mode, misc, colorcare;
50 u_int8_t bitmask;
51 };
52 #define VGA_GDC_INDEX 0xe
53 #define VGA_GDC_DATA 0xf
54
55 #pragma pack()