Modules/Display/VESA/common.h

   1 /**
   2  */
   3 #ifndef _COMMON_H_
   4 #define _COMMON_H_
   5
   6 // === TYPES ===
   7 typedef struct sFarPtr
   8 {
   9         Uint16  ofs;
  10         Uint16  seg;
  11 }       tFarPtr;
  12
  13 typedef struct sVesa_Mode
  14 {
  15         Uint16  code;
  16         Uint16  width, height;
  17         Uint16  pitch, bpp;
  18         Uint16  flags;
  19         Uint32  fbSize;
  20         Uint32  framebuffer;
  21 }       tVesa_Mode;
  22
  23 typedef struct sVesa_CallModeInfo
  24 {
  25         Uint16  attributes;
  26         Uint8   winA,winB;
  27         Uint16  granularity;
  28         Uint16  winsize;
  29         Uint16  segmentA, segmentB;
  30         tFarPtr realFctPtr;
  31         Uint16  pitch;  // Bytes per scanline
  32
  33         Uint16  Xres, Yres;
  34         Uint8   Wchar, Ychar, planes, bpp, banks;
  35         Uint8   memory_model, bank_size, image_pages;
  36         Uint8   reserved0;
  37
  38         Uint8   red_mask, red_position;
  39         Uint8   green_mask, green_position;
  40         Uint8   blue_mask, blue_position;
  41         Uint8   rsv_mask, rsv_position;
  42         Uint8   directcolor_attributes;
  43
  44         Uint32  physbase;  // Your LFB address ;)
  45         Uint32  reserved1;
  46         Sint16  reserved2;
  47 }       tVesa_CallModeInfo;
  48
  49 typedef struct sVesa_CallInfo
  50 {
  51    char         signature[4];           // == "VESA"
  52    Uint16       Version;        // == 0x0300 for Vesa 3.0
  53    tFarPtr      OEMString;      // isa vbeFarPtr
  54    Uint8        Capabilities[4];
  55    tFarPtr      VideoModes;     // isa vbeParPtr
  56    Uint16       TotalMemory;    // as # of 64KB blocks
  57 }       tVesa_CallInfo;
  58
  59 #endif