1 /* $NetBSD: vgareg.h,v 1.4 2001/12/30 13:13:04 junyoung 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Matthias Drochner. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 struct reg_vgaattr { /* indexed via port 0x3c0 */ 36 u_int8_t palette[16]; 37 u_int8_t mode, overscan, colplen, horpixpan; 38 u_int8_t colreset, misc; 39 }; 40 #define VGA_ATC_NREGS 21 41 #define VGA_ATC_INDEX 0 42 #define VGA_ATC_DATAW 0 43 #define VGA_ATC_DATAR 1 44 45 struct reg_vgats { /* indexed via port 0x3c4 */ 46 u_int8_t syncreset, mode, wrplmask, fontsel, memmode; 47 }; 48 #define VGA_TS_NREGS 5 49 #define VGA_TS_INDEX 4 50 #define VGA_TS_DATA 5 51 52 struct reg_vgagdc { /* indexed via port 0x3ce */ 53 u_int8_t setres, ensetres, colorcomp, rotfunc; 54 u_int8_t rdplanesel, mode, misc, colorcare; 55 u_int8_t bitmask; 56 }; 57 #define VGA_GDC_NREGS 9 58 #define VGA_GDC_INDEX 0xe 59 #define VGA_GDC_DATA 0xf 60 61 struct reg_vgacrtc { /* indexed via port 0x3d4 */ 62 u_int8_t index[25]; 63 }; 64 #define VGA_CRTC_NREGS 25 65 #define VGA_CRTC_INDEX 0x14 66 #define VGA_CRTC_DATA 0x15 67 68 /* misc output register */ 69 #define VGA_MISC_INDEX 2 70 #define VGA_MISC_DATAR 0xc 71 #define VGA_MISC_DATAW 2 72