sys/dev/ic/vgareg.h

   1 /* $NetBSD: vgareg.h,v 1.6.2.3 2004/09/21 13:28:09 skrll 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