i386/libsaio/vga.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.1 (the "License").  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * VGA Graphics Controller Port
  26  */
  27
  28 #ifndef __LIBSAIO_VGA_H
  29 #define __LIBSAIO_VGA_H
  30
  31 #define VGA_BUF_ADDR                0xA0000
  32 #define VGA_BUF_LENGTH              0x10000
  33
  34 #define VGA_GFX_INDEX           0x3CE
  35 #define VGA_GFX_DATA            0x3CF
  36 #define VGA_GFX_RD_MAP_SEL          0x4
  37 #define VGA_GFX_BIT_MASK        0x8
  38 #define VGA_NUM_GFX_REGS        6   // number of graphics controller
  39                                     // registers to preserve
  40 #define VGA_SEQ_INDEX           0x3C4
  41 #define VGA_SEQ_DATA                0x3C5
  42 #define VGA_SEQ_MAP_MASK            0x2
  43 #define VGA_NUM_SEQ_REGS            5   // number of sequencer
  44                                     // registers to preserve
  45 #define VGA_AC_ADDR             0x3C0
  46 #define VGA_NUM_AC_REGS         0x14
  47
  48 #define VGA_CRTC_INDEX          0x3D4
  49 #define VGA_CRTC_DATA               0x3D5
  50
  51 #define VGA_READ_ATTR_INDEX         0x3C1
  52 #define VGA_READ_ATTR_DATA          0x3C1
  53 #define VGA_WRITE_ATTR_INDEX    0x3C0
  54 #define VGA_WRITE_ATTR_DATA         0x3C0
  55
  56 #define VGA_PALETTE_WRITE           0x3C8
  57 #define VGA_PALETTE_READ            0x3C7
  58 #define VGA_PALETTE_DATA            0x3C9
  59
  60 #define VGA_INPUT_STATUS_1          0x3DA
  61 #define VGA_READ_MISC_PORT          0x3CC
  62 #define VGA_WRITE_MISC_PORT         0x3C2
  63
  64 #define VGA_READ_FEATURE_PORT   0x3CA
  65 #define VGA_WRITE_FEATURE_PORT  0x3DA
  66
  67 #endif /* !__LIBSAIO_VGA_H */