| 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 |
| 72 | |