vgasrc/vgatables.c

   1 // Tables used by VGA bios
   2 //
   3 // Copyright (C) 2009  Kevin O'Connor <kevin@koconnor.net>
   4 // Copyright (C) 2001-2008 the LGPL VGABios developers Team
   5 //
   6 // This file may be distributed under the terms of the GNU LGPLv3 license.
   7
   8 #include "vgabios.h" // struct VideoParamTableEntry_s
   9 #include "biosvar.h" // GET_GLOBAL
  10 #include "util.h" // memcpy_far
  11 #include "stdvga.h" // struct vgamode_s
  12
  13
  14 /****************************************************************
  15  * Video parameter table
  16  ****************************************************************/
  17
  18 // Standard Video Save Pointer Table
  19 struct VideoSavePointer_s {
  20     struct segoff_s videoparam;
  21     struct segoff_s paramdynamicsave;
  22     struct segoff_s textcharset;
  23     struct segoff_s graphcharset;
  24     struct segoff_s secsavepointer;
  25     u8 reserved[8];
  26 } PACKED;
  27
  28 struct VideoSavePointer_s video_save_pointer_table VAR16;
  29
  30 // standard BIOS Video Parameter Table
  31 struct VideoParam_s {
  32     u8 twidth;
  33     u8 theightm1;
  34     u8 cheight;
  35     u16 slength;
  36     u8 sequ_regs[4];
  37     u8 miscreg;
  38     u8 crtc_regs[25];
  39     u8 actl_regs[20];
  40     u8 grdc_regs[9];
  41 } PACKED;
  42
  43 struct VideoParam_s video_param_table[29] VAR16;
  44
  45 void
  46 build_video_param(void)
  47 {
  48     static u8 parammodes[ARRAY_SIZE(video_param_table)] VAR16 = {
  49         0, 0, 0, 0, 0x04, 0x05, 0x06, 0x07,
  50         0, 0, 0, 0, 0, 0x0d, 0x0e, 0,
  51         0, 0x0f, 0x10, 0, 0, 0, 0, 0x01,
  52         0x03, 0x07, 0x11, 0x12, 0x13
  53     };
  54
  55     int i;
  56     for (i=0; i<ARRAY_SIZE(parammodes); i++) {
  57         u8 mode = GET_GLOBAL(parammodes[i]);
  58         if (! mode)
  59             continue;
  60         struct VideoParam_s *vparam_g = &video_param_table[i];
  61         struct vgamode_s *vmode_g = find_vga_entry(mode);
  62         if (!vmode_g)
  63             continue;
  64         SET_VGA(vparam_g->twidth, GET_GLOBAL(vmode_g->twidth));
  65         SET_VGA(vparam_g->theightm1, GET_GLOBAL(vmode_g->theight)-1);
  66         SET_VGA(vparam_g->cheight, GET_GLOBAL(vmode_g->cheight));
  67         SET_VGA(vparam_g->slength, GET_GLOBAL(vmode_g->slength));
  68         memcpy_far(get_global_seg(), vparam_g->sequ_regs
  69                    , get_global_seg(), GET_GLOBAL(vmode_g->sequ_regs)
  70                    , ARRAY_SIZE(vparam_g->sequ_regs));
  71         SET_VGA(vparam_g->miscreg, GET_GLOBAL(vmode_g->miscreg));
  72         memcpy_far(get_global_seg(), vparam_g->crtc_regs
  73                    , get_global_seg(), GET_GLOBAL(vmode_g->crtc_regs)
  74                    , ARRAY_SIZE(vparam_g->crtc_regs));
  75         memcpy_far(get_global_seg(), vparam_g->actl_regs
  76                    , get_global_seg(), GET_GLOBAL(vmode_g->actl_regs)
  77                    , ARRAY_SIZE(vparam_g->actl_regs));
  78         memcpy_far(get_global_seg(), vparam_g->grdc_regs
  79                    , get_global_seg(), GET_GLOBAL(vmode_g->grdc_regs)
  80                    , ARRAY_SIZE(vparam_g->grdc_regs));
  81     }
  82
  83     SET_VGA(video_save_pointer_table.videoparam
  84             , SEGOFF(get_global_seg(), (u32)video_param_table));
  85 }
  86
  87
  88 /****************************************************************
  89  * Register definitions
  90  ****************************************************************/
  91
  92 /* Mono */
  93 static u8 palette0[] VAR16 = {
  94   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
  95   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
  96   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
  97   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
  98   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
  99   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 100   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 101   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 102   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 103   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 104   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 105   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 106   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 107   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 108   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 109   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f
 110 };
 111
 112 static u8 palette1[] VAR16 = {
 113   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 114   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 115   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 116   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 117   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 118   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 119   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 120   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 121   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 122   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 123   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 124   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 125   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 126   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 127   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 128   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f
 129 };
 130
 131 static u8 palette2[] VAR16 = {
 132   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 133   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x2a,0x00, 0x2a,0x2a,0x2a,
 134   0x00,0x00,0x15, 0x00,0x00,0x3f, 0x00,0x2a,0x15, 0x00,0x2a,0x3f,
 135   0x2a,0x00,0x15, 0x2a,0x00,0x3f, 0x2a,0x2a,0x15, 0x2a,0x2a,0x3f,
 136   0x00,0x15,0x00, 0x00,0x15,0x2a, 0x00,0x3f,0x00, 0x00,0x3f,0x2a,
 137   0x2a,0x15,0x00, 0x2a,0x15,0x2a, 0x2a,0x3f,0x00, 0x2a,0x3f,0x2a,
 138   0x00,0x15,0x15, 0x00,0x15,0x3f, 0x00,0x3f,0x15, 0x00,0x3f,0x3f,
 139   0x2a,0x15,0x15, 0x2a,0x15,0x3f, 0x2a,0x3f,0x15, 0x2a,0x3f,0x3f,
 140   0x15,0x00,0x00, 0x15,0x00,0x2a, 0x15,0x2a,0x00, 0x15,0x2a,0x2a,
 141   0x3f,0x00,0x00, 0x3f,0x00,0x2a, 0x3f,0x2a,0x00, 0x3f,0x2a,0x2a,
 142   0x15,0x00,0x15, 0x15,0x00,0x3f, 0x15,0x2a,0x15, 0x15,0x2a,0x3f,
 143   0x3f,0x00,0x15, 0x3f,0x00,0x3f, 0x3f,0x2a,0x15, 0x3f,0x2a,0x3f,
 144   0x15,0x15,0x00, 0x15,0x15,0x2a, 0x15,0x3f,0x00, 0x15,0x3f,0x2a,
 145   0x3f,0x15,0x00, 0x3f,0x15,0x2a, 0x3f,0x3f,0x00, 0x3f,0x3f,0x2a,
 146   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 147   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f
 148 };
 149
 150 static u8 palette3[] VAR16 = {
 151   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 152   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 153   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 154   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 155   0x00,0x00,0x00, 0x05,0x05,0x05, 0x08,0x08,0x08, 0x0b,0x0b,0x0b,
 156   0x0e,0x0e,0x0e, 0x11,0x11,0x11, 0x14,0x14,0x14, 0x18,0x18,0x18,
 157   0x1c,0x1c,0x1c, 0x20,0x20,0x20, 0x24,0x24,0x24, 0x28,0x28,0x28,
 158   0x2d,0x2d,0x2d, 0x32,0x32,0x32, 0x38,0x38,0x38, 0x3f,0x3f,0x3f,
 159   0x00,0x00,0x3f, 0x10,0x00,0x3f, 0x1f,0x00,0x3f, 0x2f,0x00,0x3f,
 160   0x3f,0x00,0x3f, 0x3f,0x00,0x2f, 0x3f,0x00,0x1f, 0x3f,0x00,0x10,
 161   0x3f,0x00,0x00, 0x3f,0x10,0x00, 0x3f,0x1f,0x00, 0x3f,0x2f,0x00,
 162   0x3f,0x3f,0x00, 0x2f,0x3f,0x00, 0x1f,0x3f,0x00, 0x10,0x3f,0x00,
 163   0x00,0x3f,0x00, 0x00,0x3f,0x10, 0x00,0x3f,0x1f, 0x00,0x3f,0x2f,
 164   0x00,0x3f,0x3f, 0x00,0x2f,0x3f, 0x00,0x1f,0x3f, 0x00,0x10,0x3f,
 165   0x1f,0x1f,0x3f, 0x27,0x1f,0x3f, 0x2f,0x1f,0x3f, 0x37,0x1f,0x3f,
 166   0x3f,0x1f,0x3f, 0x3f,0x1f,0x37, 0x3f,0x1f,0x2f, 0x3f,0x1f,0x27,
 167
 168   0x3f,0x1f,0x1f, 0x3f,0x27,0x1f, 0x3f,0x2f,0x1f, 0x3f,0x37,0x1f,
 169   0x3f,0x3f,0x1f, 0x37,0x3f,0x1f, 0x2f,0x3f,0x1f, 0x27,0x3f,0x1f,
 170   0x1f,0x3f,0x1f, 0x1f,0x3f,0x27, 0x1f,0x3f,0x2f, 0x1f,0x3f,0x37,
 171   0x1f,0x3f,0x3f, 0x1f,0x37,0x3f, 0x1f,0x2f,0x3f, 0x1f,0x27,0x3f,
 172   0x2d,0x2d,0x3f, 0x31,0x2d,0x3f, 0x36,0x2d,0x3f, 0x3a,0x2d,0x3f,
 173   0x3f,0x2d,0x3f, 0x3f,0x2d,0x3a, 0x3f,0x2d,0x36, 0x3f,0x2d,0x31,
 174   0x3f,0x2d,0x2d, 0x3f,0x31,0x2d, 0x3f,0x36,0x2d, 0x3f,0x3a,0x2d,
 175   0x3f,0x3f,0x2d, 0x3a,0x3f,0x2d, 0x36,0x3f,0x2d, 0x31,0x3f,0x2d,
 176   0x2d,0x3f,0x2d, 0x2d,0x3f,0x31, 0x2d,0x3f,0x36, 0x2d,0x3f,0x3a,
 177   0x2d,0x3f,0x3f, 0x2d,0x3a,0x3f, 0x2d,0x36,0x3f, 0x2d,0x31,0x3f,
 178   0x00,0x00,0x1c, 0x07,0x00,0x1c, 0x0e,0x00,0x1c, 0x15,0x00,0x1c,
 179   0x1c,0x00,0x1c, 0x1c,0x00,0x15, 0x1c,0x00,0x0e, 0x1c,0x00,0x07,
 180   0x1c,0x00,0x00, 0x1c,0x07,0x00, 0x1c,0x0e,0x00, 0x1c,0x15,0x00,
 181   0x1c,0x1c,0x00, 0x15,0x1c,0x00, 0x0e,0x1c,0x00, 0x07,0x1c,0x00,
 182   0x00,0x1c,0x00, 0x00,0x1c,0x07, 0x00,0x1c,0x0e, 0x00,0x1c,0x15,
 183   0x00,0x1c,0x1c, 0x00,0x15,0x1c, 0x00,0x0e,0x1c, 0x00,0x07,0x1c,
 184
 185   0x0e,0x0e,0x1c, 0x11,0x0e,0x1c, 0x15,0x0e,0x1c, 0x18,0x0e,0x1c,
 186   0x1c,0x0e,0x1c, 0x1c,0x0e,0x18, 0x1c,0x0e,0x15, 0x1c,0x0e,0x11,
 187   0x1c,0x0e,0x0e, 0x1c,0x11,0x0e, 0x1c,0x15,0x0e, 0x1c,0x18,0x0e,
 188   0x1c,0x1c,0x0e, 0x18,0x1c,0x0e, 0x15,0x1c,0x0e, 0x11,0x1c,0x0e,
 189   0x0e,0x1c,0x0e, 0x0e,0x1c,0x11, 0x0e,0x1c,0x15, 0x0e,0x1c,0x18,
 190   0x0e,0x1c,0x1c, 0x0e,0x18,0x1c, 0x0e,0x15,0x1c, 0x0e,0x11,0x1c,
 191   0x14,0x14,0x1c, 0x16,0x14,0x1c, 0x18,0x14,0x1c, 0x1a,0x14,0x1c,
 192   0x1c,0x14,0x1c, 0x1c,0x14,0x1a, 0x1c,0x14,0x18, 0x1c,0x14,0x16,
 193   0x1c,0x14,0x14, 0x1c,0x16,0x14, 0x1c,0x18,0x14, 0x1c,0x1a,0x14,
 194   0x1c,0x1c,0x14, 0x1a,0x1c,0x14, 0x18,0x1c,0x14, 0x16,0x1c,0x14,
 195   0x14,0x1c,0x14, 0x14,0x1c,0x16, 0x14,0x1c,0x18, 0x14,0x1c,0x1a,
 196   0x14,0x1c,0x1c, 0x14,0x1a,0x1c, 0x14,0x18,0x1c, 0x14,0x16,0x1c,
 197   0x00,0x00,0x10, 0x04,0x00,0x10, 0x08,0x00,0x10, 0x0c,0x00,0x10,
 198   0x10,0x00,0x10, 0x10,0x00,0x0c, 0x10,0x00,0x08, 0x10,0x00,0x04,
 199   0x10,0x00,0x00, 0x10,0x04,0x00, 0x10,0x08,0x00, 0x10,0x0c,0x00,
 200   0x10,0x10,0x00, 0x0c,0x10,0x00, 0x08,0x10,0x00, 0x04,0x10,0x00,
 201
 202   0x00,0x10,0x00, 0x00,0x10,0x04, 0x00,0x10,0x08, 0x00,0x10,0x0c,
 203   0x00,0x10,0x10, 0x00,0x0c,0x10, 0x00,0x08,0x10, 0x00,0x04,0x10,
 204   0x08,0x08,0x10, 0x0a,0x08,0x10, 0x0c,0x08,0x10, 0x0e,0x08,0x10,
 205   0x10,0x08,0x10, 0x10,0x08,0x0e, 0x10,0x08,0x0c, 0x10,0x08,0x0a,
 206   0x10,0x08,0x08, 0x10,0x0a,0x08, 0x10,0x0c,0x08, 0x10,0x0e,0x08,
 207   0x10,0x10,0x08, 0x0e,0x10,0x08, 0x0c,0x10,0x08, 0x0a,0x10,0x08,
 208   0x08,0x10,0x08, 0x08,0x10,0x0a, 0x08,0x10,0x0c, 0x08,0x10,0x0e,
 209   0x08,0x10,0x10, 0x08,0x0e,0x10, 0x08,0x0c,0x10, 0x08,0x0a,0x10,
 210   0x0b,0x0b,0x10, 0x0c,0x0b,0x10, 0x0d,0x0b,0x10, 0x0f,0x0b,0x10,
 211   0x10,0x0b,0x10, 0x10,0x0b,0x0f, 0x10,0x0b,0x0d, 0x10,0x0b,0x0c,
 212   0x10,0x0b,0x0b, 0x10,0x0c,0x0b, 0x10,0x0d,0x0b, 0x10,0x0f,0x0b,
 213   0x10,0x10,0x0b, 0x0f,0x10,0x0b, 0x0d,0x10,0x0b, 0x0c,0x10,0x0b,
 214   0x0b,0x10,0x0b, 0x0b,0x10,0x0c, 0x0b,0x10,0x0d, 0x0b,0x10,0x0f,
 215   0x0b,0x10,0x10, 0x0b,0x0f,0x10, 0x0b,0x0d,0x10, 0x0b,0x0c,0x10,
 216   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 217   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00
 218 };
 219
 220 static u8 sequ_01[] VAR16 = { 0x08, 0x03, 0x00, 0x02 };
 221 static u8 crtc_01[] VAR16 = {
 222     0x2d, 0x27, 0x28, 0x90, 0x2b, 0xa0, 0xbf, 0x1f,
 223     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 224     0x9c, 0x8e, 0x8f, 0x14, 0x1f, 0x96, 0xb9, 0xa3,
 225     0xff };
 226 static u8 actl_01[] VAR16 = {
 227     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
 228     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
 229     0x0c, 0x00, 0x0f, 0x08 };
 230 static u8 grdc_01[] VAR16 = {
 231     0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0e, 0x0f, 0xff };
 232 static u8 sequ_03[] VAR16 = { 0x00, 0x03, 0x00, 0x02 };
 233 static u8 crtc_03[] VAR16 = {
 234     0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
 235     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 236     0x9c, 0x8e, 0x8f, 0x28, 0x1f, 0x96, 0xb9, 0xa3,
 237     0xff };
 238 static u8 sequ_04[] VAR16 = { 0x09, 0x03, 0x00, 0x02 };
 239 static u8 crtc_04[] VAR16 = {
 240     0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
 241     0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 242     0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xa2,
 243     0xff };
 244 static u8 actl_04[] VAR16 = {
 245     0x00, 0x13, 0x15, 0x17, 0x02, 0x04, 0x06, 0x07,
 246     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 247     0x01, 0x00, 0x03, 0x00 };
 248 static u8 grdc_04[] VAR16 = {
 249     0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x0f, 0x0f, 0xff };
 250 static u8 sequ_06[] VAR16 = { 0x01, 0x01, 0x00, 0x06 };
 251 static u8 crtc_06[] VAR16 = {
 252     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 253     0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 254     0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xc2,
 255     0xff };
 256 static u8 actl_06[] VAR16 = {
 257     0x00, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
 258     0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
 259     0x01, 0x00, 0x01, 0x00 };
 260 static u8 grdc_06[] VAR16 = {
 261     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x0f, 0xff };
 262 static u8 crtc_07[] VAR16 = {
 263     0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
 264     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 265     0x9c, 0x8e, 0x8f, 0x28, 0x0f, 0x96, 0xb9, 0xa3,
 266     0xff };
 267 static u8 actl_07[] VAR16 = {
 268     0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
 269     0x10, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 270     0x0e, 0x00, 0x0f, 0x08 };
 271 static u8 grdc_07[] VAR16 = {
 272     0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0a, 0x0f, 0xff };
 273 static u8 sequ_0d[] VAR16 = { 0x09, 0x0f, 0x00, 0x06 };
 274 static u8 crtc_0d[] VAR16 = {
 275     0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
 276     0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 277     0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xe3,
 278     0xff };
 279 static u8 actl_0d[] VAR16 = {
 280     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 281     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 282     0x01, 0x00, 0x0f, 0x00 };
 283 static u8 grdc_0d[] VAR16 = {
 284     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff };
 285 static u8 sequ_0e[] VAR16 = { 0x01, 0x0f, 0x00, 0x06 };
 286 static u8 crtc_0e[] VAR16 = {
 287     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 288     0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 289     0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xe3,
 290     0xff };
 291 static u8 crtc_0f[] VAR16 = {
 292     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 293     0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 294     0x83, 0x85, 0x5d, 0x28, 0x0f, 0x63, 0xba, 0xe3,
 295     0xff };
 296 static u8 actl_0f[] VAR16 = {
 297     0x00, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00,
 298     0x00, 0x08, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00,
 299     0x01, 0x00, 0x01, 0x00 };
 300 static u8 actl_10[] VAR16 = {
 301     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
 302     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
 303     0x01, 0x00, 0x0f, 0x00 };
 304 static u8 crtc_11[] VAR16 = {
 305     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0x0b, 0x3e,
 306     0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 307     0xea, 0x8c, 0xdf, 0x28, 0x00, 0xe7, 0x04, 0xe3,
 308     0xff };
 309 static u8 actl_11[] VAR16 = {
 310     0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f,
 311     0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f,
 312     0x01, 0x00, 0x0f, 0x00 };
 313 static u8 sequ_13[] VAR16 = { 0x01, 0x0f, 0x00, 0x0e };
 314 static u8 crtc_13[] VAR16 = {
 315     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 316     0x00, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 317     0x9c, 0x8e, 0x8f, 0x28, 0x40, 0x96, 0xb9, 0xa3,
 318     0xff };
 319 static u8 actl_13[] VAR16 = {
 320     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 321     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
 322     0x41, 0x00, 0x0f, 0x00 };
 323 static u8 grdc_13[] VAR16 = {
 324     0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0f, 0xff };
 325 static u8 crtc_6A[] VAR16 = {
 326     0x7f, 0x63, 0x63, 0x83, 0x6b, 0x1b, 0x72, 0xf0,
 327     0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 328     0x59, 0x8d, 0x57, 0x32, 0x00, 0x57, 0x73, 0xe3,
 329     0xff };
 330
 331
 332 /****************************************************************
 333  * Video mode list
 334  ****************************************************************/
 335
 336 #define PAL(x) x, sizeof(x)
 337 #define VPARAM(x) &video_param_table[x]
 338
 339 static struct vgamode_s vga_modes[] VAR16 = {
 340     //mode model     tx  ty  ch bits sstart    slength
 341     // pelm  dac            sequ     misc  crtc     actl     grdc
 342     {0x00, CTEXT,    40, 25, 16, 4, SEG_CTEXT, 0x0800
 343      , 0xFF, PAL(palette2), sequ_01, 0x67, crtc_01, actl_01, grdc_01 },
 344     {0x01, CTEXT,    40, 25, 16, 4, SEG_CTEXT, 0x0800
 345      , 0xFF, PAL(palette2), sequ_01, 0x67, crtc_01, actl_01, grdc_01 },
 346     {0x02, CTEXT,    80, 25, 16, 4, SEG_CTEXT, 0x1000
 347      , 0xFF, PAL(palette2), sequ_03, 0x67, crtc_03, actl_01, grdc_01 },
 348     {0x03, CTEXT,    80, 25, 16, 4, SEG_CTEXT, 0x1000
 349      , 0xFF, PAL(palette2), sequ_03, 0x67, crtc_03, actl_01, grdc_01 },
 350     {0x04, CGA,      40, 25,  8, 2, SEG_CTEXT, 0x0800
 351      , 0xFF, PAL(palette1), sequ_04, 0x63, crtc_04, actl_04, grdc_04},
 352     {0x05, CGA,      40, 25,  8, 2, SEG_CTEXT, 0x0800
 353      , 0xFF, PAL(palette1), sequ_04, 0x63, crtc_04, actl_04, grdc_04},
 354     {0x06, CGA,      80, 25,  8, 1, SEG_CTEXT, 0x1000
 355      , 0xFF, PAL(palette1), sequ_06, 0x63, crtc_06, actl_06, grdc_06},
 356     {0x07, MTEXT,    80, 25, 16, 4, SEG_MTEXT, 0x1000
 357      , 0xFF, PAL(palette0), sequ_03, 0x66, crtc_07, actl_07, grdc_07},
 358     {0x0D, PLANAR4,  40, 25,  8, 4, SEG_GRAPH, 0x2000
 359      , 0xFF, PAL(palette1), sequ_0d, 0x63, crtc_0d, actl_0d, grdc_0d},
 360     {0x0E, PLANAR4,  80, 25,  8, 4, SEG_GRAPH, 0x4000
 361      , 0xFF, PAL(palette1), sequ_0e, 0x63, crtc_0e, actl_0d, grdc_0d},
 362     {0x0F, PLANAR1,  80, 25, 14, 1, SEG_GRAPH, 0x8000
 363      , 0xFF, PAL(palette0), sequ_0e, 0xa3, crtc_0f, actl_0f, grdc_0d},
 364     {0x10, PLANAR4,  80, 25, 14, 4, SEG_GRAPH, 0x8000
 365      , 0xFF, PAL(palette2), sequ_0e, 0xa3, crtc_0f, actl_10, grdc_0d},
 366     {0x11, PLANAR1,  80, 30, 16, 1, SEG_GRAPH, 0x0000
 367      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_11, actl_11, grdc_0d},
 368     {0x12, PLANAR4,  80, 30, 16, 4, SEG_GRAPH, 0x0000
 369      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_11, actl_10, grdc_0d},
 370     {0x13, LINEAR8,  40, 25,  8, 8, SEG_GRAPH, 0x0000
 371      , 0xFF, PAL(palette3), sequ_13, 0x63, crtc_13, actl_13, grdc_13},
 372     {0x6A, PLANAR4, 100, 37, 16, 4, SEG_GRAPH, 0x0000
 373      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_6A, actl_10, grdc_0d},
 374 };
 375
 376 struct vgamode_s *
 377 find_vga_entry(u8 mode)
 378 {
 379     int i;
 380     for (i = 0; i < ARRAY_SIZE(vga_modes); i++) {
 381         struct vgamode_s *vmode_g = &vga_modes[i];
 382         if (GET_GLOBAL(vmode_g->svgamode) == mode)
 383             return vmode_g;
 384     }
 385     return NULL;
 386 }
 387
 388
 389 /****************************************************************
 390  * Static functionality table
 391  ****************************************************************/
 392
 393 u8 static_functionality[0x10] VAR16 = {
 394  /* 0 */ 0xff,  // All modes supported #1
 395  /* 1 */ 0xe0,  // All modes supported #2
 396  /* 2 */ 0x0f,  // All modes supported #3
 397  /* 3 */ 0x00, 0x00, 0x00, 0x00,  // reserved
 398  /* 7 */ 0x07,  // 200, 350, 400 scan lines
 399  /* 8 */ 0x02,  // mamimum number of visible charsets in text mode
 400  /* 9 */ 0x08,  // total number of charset blocks in text mode
 401  /* a */ 0xe7,  // Change to add new functions
 402  /* b */ 0x0c,  // Change to add new functions
 403  /* c */ 0x00,  // reserved
 404  /* d */ 0x00,  // reserved
 405  /* e */ 0x00,  // Change to add new functions
 406  /* f */ 0x00   // reserved
 407 };