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() 56