vgareg.h revision 1.2 
1/* $OpenBSD: vgareg.h,v 1.2 2001/03/14 02:49:22 mickey 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 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed for the NetBSD Project
19 *	by Matthias Drochner.
20 * 4. The name of the author may not be used to endorse or promote products
21 *    derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
35
36#pragma pack(1)
37
38struct reg_vgaattr { /* indexed via port 0x3c0 */
39	u_int8_t palette[16];
40	u_int8_t mode, overscan, colplen, horpixpan;
41	u_int8_t colreset, misc;
42};
43#define VGA_ATC_INDEX 0
44#define VGA_ATC_DATAW 0
45#define VGA_ATC_DATAR 1
46
47struct reg_vgats { /* indexed via port 0x3c4 */
48	u_int8_t syncreset, mode, wrplmask, fontsel, memmode;
49};
50#define VGA_TS_INDEX 4
51#define VGA_TS_DATA 5
52
53struct reg_vgagdc { /* indexed via port 0x3ce */
54	u_int8_t setres, ensetres, colorcomp, rotfunc;
55	u_int8_t rdplanesel, mode, misc, colorcare;
56	u_int8_t bitmask;
57};
58#define VGA_GDC_INDEX 0xe
59#define VGA_GDC_DATA 0xf
60
61#pragma pack()
62