src/vesainfo.h

   1 /* vesainfo.c
   2  *
   3  * Copyright 2003-2004 John Coffman
   4  * Copyright 2009-2011 Joachim Wiedorn
   5  * All rights reserved.
   6  *
   7  * Licensed under the terms contained in the file 'COPYING'
   8  * in the source directory.
   9  */
  10
  11 #ifndef _VESAINFO_H
  12 #define _VESAINFO_H
  13
  14 #ifndef LILO_ASM
  15 #pragma pack(2)
  16
  17 typedef
  18    union {
  19       char  space[512];
  20       struct {
  21          char  Signature[4];
  22          short Version;
  23          char  *OEMstring;              /* far pointer */
  24          int  Capabilities;
  25          short *VideoModePtr;           /* far pointer */
  26          } ident;
  27       struct {
  28          short ModeAttributes;
  29          char  WinAAttributes;
  30          char  WinBAttributes;
  31          short WinGranularity;
  32          short WinSize;
  33          short WinASegment;
  34          short WinBSegment;
  35          char *WinFuncPtr;          /* window swapping function */
  36          short BytesPerScanLine;
  37
  38          /* Optional Information */
  39          short Xresolution;
  40          short Yresolution;
  41  unsigned char XcharSize;
  42  unsigned char YcharSize;
  43          char  NumberOfPlanes;
  44          char  BitsPerPixel;
  45  unsigned char NumberOfBanks;
  46          char  MemoryModel;
  47  unsigned char BankSize;
  48          } info;
  49       } VESAINFO;
  50
  51 #pragma pack()
  52
  53 #else   /* LILO_ASM is defined */
  54 v_Signature     = 0             ; offset to Signature (int)
  55 v_Capabilities  = 10            ; offset to Capabilities (int)
  56
  57 v_ModeAttributes = 0            ; short
  58 v_WinAAttributes = 2            ; char
  59 v_WinBAttributes = 3            ; char
  60 v_WinGranularity = 4            ; short
  61 v_WinSize       = 6             ; short
  62 v_WinASegment   = 8             ; short
  63 v_WinBSegment   = 10            ; short
  64 v_WinFuncPointer = 12           ; far pointer
  65 v_BytesPerScanLine = 16         ; short
  66
  67 #endif
  68
  69 #define SIG_VBE2 0x32454256
  70 #define SIG_VESA 0x41534556
  71
  72 #endif
  73 /* end vesainfo.h */
  74