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         int 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         int width = GET_GLOBAL(vmode_g->width);
  65         int height = GET_GLOBAL(vmode_g->height);
  66         int cheight = GET_GLOBAL(vmode_g->cheight);
  67         if (GET_GLOBAL(vmode_g->memmodel) == MM_TEXT) {
  68             SET_VGA(vparam_g->twidth, width);
  69             SET_VGA(vparam_g->theightm1, height-1);
  70         } else {
  71             int cwidth = GET_GLOBAL(vmode_g->cwidth);
  72             SET_VGA(vparam_g->twidth, width / cwidth);
  73             SET_VGA(vparam_g->theightm1, (height / cheight) - 1);
  74         }
  75         SET_VGA(vparam_g->cheight, cheight);
  76         SET_VGA(vparam_g->slength, GET_GLOBAL(vmode_g->slength));
  77         memcpy_far(get_global_seg(), vparam_g->sequ_regs
  78                    , get_global_seg(), GET_GLOBAL(vmode_g->sequ_regs)
  79                    , ARRAY_SIZE(vparam_g->sequ_regs));
  80         SET_VGA(vparam_g->miscreg, GET_GLOBAL(vmode_g->miscreg));
  81         memcpy_far(get_global_seg(), vparam_g->crtc_regs
  82                    , get_global_seg(), GET_GLOBAL(vmode_g->crtc_regs)
  83                    , ARRAY_SIZE(vparam_g->crtc_regs));
  84         memcpy_far(get_global_seg(), vparam_g->actl_regs
  85                    , get_global_seg(), GET_GLOBAL(vmode_g->actl_regs)
  86                    , ARRAY_SIZE(vparam_g->actl_regs));
  87         memcpy_far(get_global_seg(), vparam_g->grdc_regs
  88                    , get_global_seg(), GET_GLOBAL(vmode_g->grdc_regs)
  89                    , ARRAY_SIZE(vparam_g->grdc_regs));
  90     }
  91
  92     SET_VGA(video_save_pointer_table.videoparam
  93             , SEGOFF(get_global_seg(), (u32)video_param_table));
  94 }
  95
  96
  97 /****************************************************************
  98  * Register definitions
  99  ****************************************************************/
 100
 101 /* Mono */
 102 static u8 palette0[] VAR16 = {
 103   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 104   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 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   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 109   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 110   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 111   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 112   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 113   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 114   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 115   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 116   0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a, 0x2a,0x2a,0x2a,
 117   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f,
 118   0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f, 0x3f,0x3f,0x3f
 119 };
 120
 121 static u8 palette1[] VAR16 = {
 122   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 123   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 124   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 125   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 126   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 127   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 128   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 129   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 130   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 131   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 132   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 133   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 134   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 135   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 136   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 137   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f
 138 };
 139
 140 static u8 palette2[] VAR16 = {
 141   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 142   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x2a,0x00, 0x2a,0x2a,0x2a,
 143   0x00,0x00,0x15, 0x00,0x00,0x3f, 0x00,0x2a,0x15, 0x00,0x2a,0x3f,
 144   0x2a,0x00,0x15, 0x2a,0x00,0x3f, 0x2a,0x2a,0x15, 0x2a,0x2a,0x3f,
 145   0x00,0x15,0x00, 0x00,0x15,0x2a, 0x00,0x3f,0x00, 0x00,0x3f,0x2a,
 146   0x2a,0x15,0x00, 0x2a,0x15,0x2a, 0x2a,0x3f,0x00, 0x2a,0x3f,0x2a,
 147   0x00,0x15,0x15, 0x00,0x15,0x3f, 0x00,0x3f,0x15, 0x00,0x3f,0x3f,
 148   0x2a,0x15,0x15, 0x2a,0x15,0x3f, 0x2a,0x3f,0x15, 0x2a,0x3f,0x3f,
 149   0x15,0x00,0x00, 0x15,0x00,0x2a, 0x15,0x2a,0x00, 0x15,0x2a,0x2a,
 150   0x3f,0x00,0x00, 0x3f,0x00,0x2a, 0x3f,0x2a,0x00, 0x3f,0x2a,0x2a,
 151   0x15,0x00,0x15, 0x15,0x00,0x3f, 0x15,0x2a,0x15, 0x15,0x2a,0x3f,
 152   0x3f,0x00,0x15, 0x3f,0x00,0x3f, 0x3f,0x2a,0x15, 0x3f,0x2a,0x3f,
 153   0x15,0x15,0x00, 0x15,0x15,0x2a, 0x15,0x3f,0x00, 0x15,0x3f,0x2a,
 154   0x3f,0x15,0x00, 0x3f,0x15,0x2a, 0x3f,0x3f,0x00, 0x3f,0x3f,0x2a,
 155   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 156   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f
 157 };
 158
 159 static u8 palette3[] VAR16 = {
 160   0x00,0x00,0x00, 0x00,0x00,0x2a, 0x00,0x2a,0x00, 0x00,0x2a,0x2a,
 161   0x2a,0x00,0x00, 0x2a,0x00,0x2a, 0x2a,0x15,0x00, 0x2a,0x2a,0x2a,
 162   0x15,0x15,0x15, 0x15,0x15,0x3f, 0x15,0x3f,0x15, 0x15,0x3f,0x3f,
 163   0x3f,0x15,0x15, 0x3f,0x15,0x3f, 0x3f,0x3f,0x15, 0x3f,0x3f,0x3f,
 164   0x00,0x00,0x00, 0x05,0x05,0x05, 0x08,0x08,0x08, 0x0b,0x0b,0x0b,
 165   0x0e,0x0e,0x0e, 0x11,0x11,0x11, 0x14,0x14,0x14, 0x18,0x18,0x18,
 166   0x1c,0x1c,0x1c, 0x20,0x20,0x20, 0x24,0x24,0x24, 0x28,0x28,0x28,
 167   0x2d,0x2d,0x2d, 0x32,0x32,0x32, 0x38,0x38,0x38, 0x3f,0x3f,0x3f,
 168   0x00,0x00,0x3f, 0x10,0x00,0x3f, 0x1f,0x00,0x3f, 0x2f,0x00,0x3f,
 169   0x3f,0x00,0x3f, 0x3f,0x00,0x2f, 0x3f,0x00,0x1f, 0x3f,0x00,0x10,
 170   0x3f,0x00,0x00, 0x3f,0x10,0x00, 0x3f,0x1f,0x00, 0x3f,0x2f,0x00,
 171   0x3f,0x3f,0x00, 0x2f,0x3f,0x00, 0x1f,0x3f,0x00, 0x10,0x3f,0x00,
 172   0x00,0x3f,0x00, 0x00,0x3f,0x10, 0x00,0x3f,0x1f, 0x00,0x3f,0x2f,
 173   0x00,0x3f,0x3f, 0x00,0x2f,0x3f, 0x00,0x1f,0x3f, 0x00,0x10,0x3f,
 174   0x1f,0x1f,0x3f, 0x27,0x1f,0x3f, 0x2f,0x1f,0x3f, 0x37,0x1f,0x3f,
 175   0x3f,0x1f,0x3f, 0x3f,0x1f,0x37, 0x3f,0x1f,0x2f, 0x3f,0x1f,0x27,
 176
 177   0x3f,0x1f,0x1f, 0x3f,0x27,0x1f, 0x3f,0x2f,0x1f, 0x3f,0x37,0x1f,
 178   0x3f,0x3f,0x1f, 0x37,0x3f,0x1f, 0x2f,0x3f,0x1f, 0x27,0x3f,0x1f,
 179   0x1f,0x3f,0x1f, 0x1f,0x3f,0x27, 0x1f,0x3f,0x2f, 0x1f,0x3f,0x37,
 180   0x1f,0x3f,0x3f, 0x1f,0x37,0x3f, 0x1f,0x2f,0x3f, 0x1f,0x27,0x3f,
 181   0x2d,0x2d,0x3f, 0x31,0x2d,0x3f, 0x36,0x2d,0x3f, 0x3a,0x2d,0x3f,
 182   0x3f,0x2d,0x3f, 0x3f,0x2d,0x3a, 0x3f,0x2d,0x36, 0x3f,0x2d,0x31,
 183   0x3f,0x2d,0x2d, 0x3f,0x31,0x2d, 0x3f,0x36,0x2d, 0x3f,0x3a,0x2d,
 184   0x3f,0x3f,0x2d, 0x3a,0x3f,0x2d, 0x36,0x3f,0x2d, 0x31,0x3f,0x2d,
 185   0x2d,0x3f,0x2d, 0x2d,0x3f,0x31, 0x2d,0x3f,0x36, 0x2d,0x3f,0x3a,
 186   0x2d,0x3f,0x3f, 0x2d,0x3a,0x3f, 0x2d,0x36,0x3f, 0x2d,0x31,0x3f,
 187   0x00,0x00,0x1c, 0x07,0x00,0x1c, 0x0e,0x00,0x1c, 0x15,0x00,0x1c,
 188   0x1c,0x00,0x1c, 0x1c,0x00,0x15, 0x1c,0x00,0x0e, 0x1c,0x00,0x07,
 189   0x1c,0x00,0x00, 0x1c,0x07,0x00, 0x1c,0x0e,0x00, 0x1c,0x15,0x00,
 190   0x1c,0x1c,0x00, 0x15,0x1c,0x00, 0x0e,0x1c,0x00, 0x07,0x1c,0x00,
 191   0x00,0x1c,0x00, 0x00,0x1c,0x07, 0x00,0x1c,0x0e, 0x00,0x1c,0x15,
 192   0x00,0x1c,0x1c, 0x00,0x15,0x1c, 0x00,0x0e,0x1c, 0x00,0x07,0x1c,
 193
 194   0x0e,0x0e,0x1c, 0x11,0x0e,0x1c, 0x15,0x0e,0x1c, 0x18,0x0e,0x1c,
 195   0x1c,0x0e,0x1c, 0x1c,0x0e,0x18, 0x1c,0x0e,0x15, 0x1c,0x0e,0x11,
 196   0x1c,0x0e,0x0e, 0x1c,0x11,0x0e, 0x1c,0x15,0x0e, 0x1c,0x18,0x0e,
 197   0x1c,0x1c,0x0e, 0x18,0x1c,0x0e, 0x15,0x1c,0x0e, 0x11,0x1c,0x0e,
 198   0x0e,0x1c,0x0e, 0x0e,0x1c,0x11, 0x0e,0x1c,0x15, 0x0e,0x1c,0x18,
 199   0x0e,0x1c,0x1c, 0x0e,0x18,0x1c, 0x0e,0x15,0x1c, 0x0e,0x11,0x1c,
 200   0x14,0x14,0x1c, 0x16,0x14,0x1c, 0x18,0x14,0x1c, 0x1a,0x14,0x1c,
 201   0x1c,0x14,0x1c, 0x1c,0x14,0x1a, 0x1c,0x14,0x18, 0x1c,0x14,0x16,
 202   0x1c,0x14,0x14, 0x1c,0x16,0x14, 0x1c,0x18,0x14, 0x1c,0x1a,0x14,
 203   0x1c,0x1c,0x14, 0x1a,0x1c,0x14, 0x18,0x1c,0x14, 0x16,0x1c,0x14,
 204   0x14,0x1c,0x14, 0x14,0x1c,0x16, 0x14,0x1c,0x18, 0x14,0x1c,0x1a,
 205   0x14,0x1c,0x1c, 0x14,0x1a,0x1c, 0x14,0x18,0x1c, 0x14,0x16,0x1c,
 206   0x00,0x00,0x10, 0x04,0x00,0x10, 0x08,0x00,0x10, 0x0c,0x00,0x10,
 207   0x10,0x00,0x10, 0x10,0x00,0x0c, 0x10,0x00,0x08, 0x10,0x00,0x04,
 208   0x10,0x00,0x00, 0x10,0x04,0x00, 0x10,0x08,0x00, 0x10,0x0c,0x00,
 209   0x10,0x10,0x00, 0x0c,0x10,0x00, 0x08,0x10,0x00, 0x04,0x10,0x00,
 210
 211   0x00,0x10,0x00, 0x00,0x10,0x04, 0x00,0x10,0x08, 0x00,0x10,0x0c,
 212   0x00,0x10,0x10, 0x00,0x0c,0x10, 0x00,0x08,0x10, 0x00,0x04,0x10,
 213   0x08,0x08,0x10, 0x0a,0x08,0x10, 0x0c,0x08,0x10, 0x0e,0x08,0x10,
 214   0x10,0x08,0x10, 0x10,0x08,0x0e, 0x10,0x08,0x0c, 0x10,0x08,0x0a,
 215   0x10,0x08,0x08, 0x10,0x0a,0x08, 0x10,0x0c,0x08, 0x10,0x0e,0x08,
 216   0x10,0x10,0x08, 0x0e,0x10,0x08, 0x0c,0x10,0x08, 0x0a,0x10,0x08,
 217   0x08,0x10,0x08, 0x08,0x10,0x0a, 0x08,0x10,0x0c, 0x08,0x10,0x0e,
 218   0x08,0x10,0x10, 0x08,0x0e,0x10, 0x08,0x0c,0x10, 0x08,0x0a,0x10,
 219   0x0b,0x0b,0x10, 0x0c,0x0b,0x10, 0x0d,0x0b,0x10, 0x0f,0x0b,0x10,
 220   0x10,0x0b,0x10, 0x10,0x0b,0x0f, 0x10,0x0b,0x0d, 0x10,0x0b,0x0c,
 221   0x10,0x0b,0x0b, 0x10,0x0c,0x0b, 0x10,0x0d,0x0b, 0x10,0x0f,0x0b,
 222   0x10,0x10,0x0b, 0x0f,0x10,0x0b, 0x0d,0x10,0x0b, 0x0c,0x10,0x0b,
 223   0x0b,0x10,0x0b, 0x0b,0x10,0x0c, 0x0b,0x10,0x0d, 0x0b,0x10,0x0f,
 224   0x0b,0x10,0x10, 0x0b,0x0f,0x10, 0x0b,0x0d,0x10, 0x0b,0x0c,0x10,
 225   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,
 226   0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00
 227 };
 228
 229 static u8 sequ_01[] VAR16 = { 0x08, 0x03, 0x00, 0x02 };
 230 static u8 crtc_01[] VAR16 = {
 231     0x2d, 0x27, 0x28, 0x90, 0x2b, 0xa0, 0xbf, 0x1f,
 232     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 233     0x9c, 0x8e, 0x8f, 0x14, 0x1f, 0x96, 0xb9, 0xa3,
 234     0xff };
 235 static u8 actl_01[] VAR16 = {
 236     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
 237     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
 238     0x0c, 0x00, 0x0f, 0x08 };
 239 static u8 grdc_01[] VAR16 = {
 240     0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0e, 0x0f, 0xff };
 241 static u8 sequ_03[] VAR16 = { 0x00, 0x03, 0x00, 0x02 };
 242 static u8 crtc_03[] VAR16 = {
 243     0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
 244     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 245     0x9c, 0x8e, 0x8f, 0x28, 0x1f, 0x96, 0xb9, 0xa3,
 246     0xff };
 247 static u8 sequ_04[] VAR16 = { 0x09, 0x03, 0x00, 0x02 };
 248 static u8 crtc_04[] VAR16 = {
 249     0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
 250     0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 251     0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xa2,
 252     0xff };
 253 static u8 actl_04[] VAR16 = {
 254     0x00, 0x13, 0x15, 0x17, 0x02, 0x04, 0x06, 0x07,
 255     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 256     0x01, 0x00, 0x03, 0x00 };
 257 static u8 grdc_04[] VAR16 = {
 258     0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x0f, 0x0f, 0xff };
 259 static u8 sequ_06[] VAR16 = { 0x01, 0x01, 0x00, 0x06 };
 260 static u8 crtc_06[] VAR16 = {
 261     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 262     0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 263     0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xc2,
 264     0xff };
 265 static u8 actl_06[] VAR16 = {
 266     0x00, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
 267     0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
 268     0x01, 0x00, 0x01, 0x00 };
 269 static u8 grdc_06[] VAR16 = {
 270     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x0f, 0xff };
 271 static u8 crtc_07[] VAR16 = {
 272     0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
 273     0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
 274     0x9c, 0x8e, 0x8f, 0x28, 0x0f, 0x96, 0xb9, 0xa3,
 275     0xff };
 276 static u8 actl_07[] VAR16 = {
 277     0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
 278     0x10, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 279     0x0e, 0x00, 0x0f, 0x08 };
 280 static u8 grdc_07[] VAR16 = {
 281     0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0a, 0x0f, 0xff };
 282 static u8 sequ_0d[] VAR16 = { 0x09, 0x0f, 0x00, 0x06 };
 283 static u8 crtc_0d[] VAR16 = {
 284     0x2d, 0x27, 0x28, 0x90, 0x2b, 0x80, 0xbf, 0x1f,
 285     0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 286     0x9c, 0x8e, 0x8f, 0x14, 0x00, 0x96, 0xb9, 0xe3,
 287     0xff };
 288 static u8 actl_0d[] VAR16 = {
 289     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 290     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
 291     0x01, 0x00, 0x0f, 0x00 };
 292 static u8 grdc_0d[] VAR16 = {
 293     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0f, 0xff };
 294 static u8 sequ_0e[] VAR16 = { 0x01, 0x0f, 0x00, 0x06 };
 295 static u8 crtc_0e[] VAR16 = {
 296     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 297     0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 298     0x9c, 0x8e, 0x8f, 0x28, 0x00, 0x96, 0xb9, 0xe3,
 299     0xff };
 300 static u8 crtc_0f[] VAR16 = {
 301     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 302     0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 303     0x83, 0x85, 0x5d, 0x28, 0x0f, 0x63, 0xba, 0xe3,
 304     0xff };
 305 static u8 actl_0f[] VAR16 = {
 306     0x00, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00,
 307     0x00, 0x08, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00,
 308     0x01, 0x00, 0x01, 0x00 };
 309 static u8 actl_10[] VAR16 = {
 310     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
 311     0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
 312     0x01, 0x00, 0x0f, 0x00 };
 313 static u8 crtc_11[] VAR16 = {
 314     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0x0b, 0x3e,
 315     0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 316     0xea, 0x8c, 0xdf, 0x28, 0x00, 0xe7, 0x04, 0xe3,
 317     0xff };
 318 static u8 actl_11[] VAR16 = {
 319     0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f,
 320     0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3f,
 321     0x01, 0x00, 0x0f, 0x00 };
 322 static u8 sequ_13[] VAR16 = { 0x01, 0x0f, 0x00, 0x0e };
 323 static u8 crtc_13[] VAR16 = {
 324     0x5f, 0x4f, 0x50, 0x82, 0x54, 0x80, 0xbf, 0x1f,
 325     0x00, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 326     0x9c, 0x8e, 0x8f, 0x28, 0x40, 0x96, 0xb9, 0xa3,
 327     0xff };
 328 static u8 actl_13[] VAR16 = {
 329     0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 330     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
 331     0x41, 0x00, 0x0f, 0x00 };
 332 static u8 grdc_13[] VAR16 = {
 333     0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0f, 0xff };
 334 static u8 crtc_6A[] VAR16 = {
 335     0x7f, 0x63, 0x63, 0x83, 0x6b, 0x1b, 0x72, 0xf0,
 336     0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 337     0x59, 0x8d, 0x57, 0x32, 0x00, 0x57, 0x73, 0xe3,
 338     0xff };
 339
 340
 341 /****************************************************************
 342  * Video mode list
 343  ****************************************************************/
 344
 345 #define PAL(x) x, sizeof(x)
 346 #define VPARAM(x) &video_param_table[x]
 347
 348 static struct vgamode_s vga_modes[] VAR16 = {
 349     //mode model       tx   ty bpp cw ch  sstart     slength
 350     // pelm  dac            sequ     misc  crtc     actl     grdc
 351     {0x00, MM_TEXT,    40,  25, 4, 9, 16, SEG_CTEXT, 0x0800
 352      , 0xFF, PAL(palette2), sequ_01, 0x67, crtc_01, actl_01, grdc_01},
 353     {0x01, MM_TEXT,    40,  25, 4, 9, 16, SEG_CTEXT, 0x0800
 354      , 0xFF, PAL(palette2), sequ_01, 0x67, crtc_01, actl_01, grdc_01},
 355     {0x02, MM_TEXT,    80,  25, 4, 9, 16, SEG_CTEXT, 0x1000
 356      , 0xFF, PAL(palette2), sequ_03, 0x67, crtc_03, actl_01, grdc_01},
 357     {0x03, MM_TEXT,    80,  25, 4, 9, 16, SEG_CTEXT, 0x1000
 358      , 0xFF, PAL(palette2), sequ_03, 0x67, crtc_03, actl_01, grdc_01},
 359     {0x04, MM_CGA,    320, 200, 2, 8,  8, SEG_CTEXT, 0x0800
 360      , 0xFF, PAL(palette1), sequ_04, 0x63, crtc_04, actl_04, grdc_04},
 361     {0x05, MM_CGA,    320, 200, 2, 8,  8, SEG_CTEXT, 0x0800
 362      , 0xFF, PAL(palette1), sequ_04, 0x63, crtc_04, actl_04, grdc_04},
 363     {0x06, MM_CGA,    640, 200, 1, 8,  8, SEG_CTEXT, 0x1000
 364      , 0xFF, PAL(palette1), sequ_06, 0x63, crtc_06, actl_06, grdc_06},
 365     {0x07, MM_TEXT,    80,  25, 4, 9, 16, SEG_MTEXT, 0x1000
 366      , 0xFF, PAL(palette0), sequ_03, 0x66, crtc_07, actl_07, grdc_07},
 367     {0x0D, MM_PLANAR, 320, 200, 4, 8,  8, SEG_GRAPH, 0x2000
 368      , 0xFF, PAL(palette1), sequ_0d, 0x63, crtc_0d, actl_0d, grdc_0d},
 369     {0x0E, MM_PLANAR, 640, 200, 4, 8,  8, SEG_GRAPH, 0x4000
 370      , 0xFF, PAL(palette1), sequ_0e, 0x63, crtc_0e, actl_0d, grdc_0d},
 371     {0x0F, MM_PLANAR, 640, 350, 1, 8, 14, SEG_GRAPH, 0x8000
 372      , 0xFF, PAL(palette0), sequ_0e, 0xa3, crtc_0f, actl_0f, grdc_0d},
 373     {0x10, MM_PLANAR, 640, 350, 4, 8, 14, SEG_GRAPH, 0x8000
 374      , 0xFF, PAL(palette2), sequ_0e, 0xa3, crtc_0f, actl_10, grdc_0d},
 375     {0x11, MM_PLANAR, 640, 480, 1, 8, 16, SEG_GRAPH, 0x0000
 376      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_11, actl_11, grdc_0d},
 377     {0x12, MM_PLANAR, 640, 480, 4, 8, 16, SEG_GRAPH, 0x0000
 378      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_11, actl_10, grdc_0d},
 379     {0x13, MM_PACKED, 320, 200, 8, 8,  8, SEG_GRAPH, 0x0000
 380      , 0xFF, PAL(palette3), sequ_13, 0x63, crtc_13, actl_13, grdc_13},
 381     {0x6A, MM_PLANAR, 800, 600, 4, 8, 16, SEG_GRAPH, 0x0000
 382      , 0xFF, PAL(palette2), sequ_0e, 0xe3, crtc_6A, actl_10, grdc_0d},
 383 };
 384
 385 struct vgamode_s *
 386 find_vga_entry(u8 mode)
 387 {
 388     int i;
 389     for (i = 0; i < ARRAY_SIZE(vga_modes); i++) {
 390         struct vgamode_s *vmode_g = &vga_modes[i];
 391         if (GET_GLOBAL(vmode_g->mode) == mode)
 392             return vmode_g;
 393     }
 394     return NULL;
 395 }
 396
 397
 398 /****************************************************************
 399  * Static functionality table
 400  ****************************************************************/
 401
 402 u8 static_functionality[0x10] VAR16 = {
 403  /* 0 */ 0xff,  // All modes supported #1
 404  /* 1 */ 0xe0,  // All modes supported #2
 405  /* 2 */ 0x0f,  // All modes supported #3
 406  /* 3 */ 0x00, 0x00, 0x00, 0x00,  // reserved
 407  /* 7 */ 0x07,  // 200, 350, 400 scan lines
 408  /* 8 */ 0x02,  // mamimum number of visible charsets in text mode
 409  /* 9 */ 0x08,  // total number of charset blocks in text mode
 410  /* a */ 0xe7,  // Change to add new functions
 411  /* b */ 0x0c,  // Change to add new functions
 412  /* c */ 0x00,  // reserved
 413  /* d */ 0x00,  // reserved
 414  /* e */ 0x00,  // Change to add new functions
 415  /* f */ 0x00   // reserved
 416 };