FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/vgareg.h
1 /* $NetBSD: vgareg.h,v 1.9 2005/12/11 12:21:29 christos Exp $ */
2
3 /*
4 * Copyright (c) 1998
5 * Matthias Drochner. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29 struct reg_vgaattr { /* indexed via port 0x3c0 */
30 u_int8_t palette[16];
31 u_int8_t mode, overscan, colplen, horpixpan;
32 u_int8_t colreset, misc;
33 };
34 #define VGA_ATC_NREGS 21
35 #define VGA_ATC_INDEX 0x0
36 #define VGA_ATC_DATAW 0x0
37 #define VGA_ATC_DATAR 0x1
38 #define VGA_ATC_OVERSCAN 0x11
39
40 struct reg_vgats { /* indexed via port 0x3c4 */
41 u_int8_t syncreset, mode, wrplmask, fontsel, memmode;
42 };
43 #define VGA_TS_MODE_BLANK 0x20
44
45 #define VGA_TS_NREGS 5
46 #define VGA_TS_INDEX 0x4
47 #define VGA_TS_DATA 0x5
48
49 struct reg_vgagdc { /* indexed via port 0x3ce */
50 u_int8_t setres, ensetres, colorcomp, rotfunc;
51 u_int8_t rdplanesel, mode, misc, colorcare;
52 u_int8_t bitmask;
53 };
54 #define VGA_GDC_NREGS 9
55 #define VGA_GDC_INDEX 0xe
56 #define VGA_GDC_DATA 0xf
57
58 /*
59 * CRTC registers are defined in sys/dev/ic/mc6845reg.h
60 */
61
62 /* video DAC palette registers */
63 #define VGA_DAC_PELMASK 0x6
64 #define VGA_DAC_STATE 0x7
65 #define VGA_DAC_ADDRR 0x7
66 #define VGA_DAC_ADDRW 0x8
67 #define VGA_DAC_PALETTE 0x9
68
69 /* misc output register */
70 #define VGA_MISC_DATAR 0xc
71 #define VGA_MISC_DATAW 0x2
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