Leaked source code of windows server 2003
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//
// This include file contains the format of the VESA EDID data structure as
// described in the VESA Display Data Channel (DDC) Specification. It should
// be included in any assembly language program that requires knowledge of the
// EDID data structure.
//
typedef struct VESA_EDID { BYTE veHeader[8]; // 0,FFH,FFH,FFH,FFH,FFH,FFH,0
BYTE veManufactID[2]; // in compressed format - see spec
BYTE veProductCode[2]; // vendor assigned code
DWORD veSerialNbr; // 32 bit serial nbr (LSB first)
BYTE veWeekMade; // week of manufacture (0-53)
BYTE veYearMade; // year of manufacture - 1990
BYTE veEDIDVersion; // version number of EDID
BYTE veEDIDRevision; // revision number of EDID
BYTE veVidInputDef; // video input definition
BYTE veMaxHorizSize; // horizontal image size in cm
BYTE veMaxVertSize; // vertical image size in cm
BYTE veGammaXFER; // (gamma * 100) - 100 (1.00-3.55)
BYTE veDPMSFeatures; // DPMS feature support
BYTE veRedGreenLow; // Rx1Rx0Ry1Ry0Gx1Gx0Gy1Gy0
BYTE veBlueWhiteLow; // Bx1Bx0By1By0Wx1Wx0Wy1Wy0
BYTE veRedx; // red X bit 9 - 2
BYTE veRedy; // red Y bit 9 - 2
BYTE veGreenx; // green X bit 9 - 2
BYTE veGreeny; // green Y bit 9 - 2
BYTE veBluex; // blue X bit 9 - 2
BYTE veBluey; // blue Y bit 9 - 2
BYTE veWhitex; // white X bit 9 - 2
BYTE veWhitey; // white Y bit 9 - 2
BYTE veEstTime1; // established timings I
BYTE veEstTime2; // established timings II
BYTE veEstTime3; // established timings II
WORD veStdTimeID1; //
WORD veStdTimeID2; //
WORD veStdTimeID3; //
WORD veStdTimeID4; //
WORD veStdTimeID5; //
WORD veStdTimeID6; //
WORD veStdTimeID7; //
WORD veStdTimeID8; //
BYTE veDetailTime1[18]; //
BYTE veDetailTime2[18]; //
BYTE veDetailTime3[18]; //
BYTE veDetailTime4[18]; //
BYTE veExtensionFlag; // nbr of 128 EDID extensions
BYTE veChecksum; // sum of all bytes == 0
} VESA_EDID;
/*ASM
.errnz size VESA_EDID - 128 ;must be 128 bytes long!*/
//
// bit definitions for the veEstTime1 field
//
#define veEstTime1_720x400x70Hz 0x80 // 720x400x70Hz VGA,IBM
#define veEstTime1_720x400x88Hz 0x40 // 720x400x88Hz XGA2,IBM
#define veEstTime1_640x480x60Hz 0x20 // 640x480x60Hz VGA,IBM
#define veEstTime1_640x480x67Hz 0x10 // 640x480x67Hz MacII,Apple
#define veEstTime1_640x480x72Hz 0x08 // 640x480x72Hz VESA
#define veEstTime1_640x480x75Hz 0x04 // 640x480x75Hz VESA
#define veEstTime1_800x600x56Hz 0x02 // 800x600x56Hz VESA
#define veEstTime1_800x600x60Hz 0x01 // 800x600x60Hz VESA
//
// bit definitions for the veEstTime2 field
//
#define veEstTime2_800x600x72Hz 0x80 // 800x600x72Hz VESA
#define veEstTime2_800x600x75Hz 0x40 // 800x600x75Hz VESA
#define veEstTime2_832x624x75Hz 0x20 // 832x624x75Hz MacII,Apple
#define veEstTime2_1024x768x87Hz 0x10 // 1024x768x87Hz IBM
#define veEstTime2_1024x768x60Hz 0x08 // 1024x768x60Hz VESA
#define veEstTime2_1024x768x70Hz 0x04 // 1024x768x70Hz VESA
#define veEstTime2_1024x768x75Hz 0x02 // 1024x768x75Hz VESA
#define veEstTime2_1280x1024x75Hz 0x01 // 1280x1024x75Hz VESA
//
// bit definitions for the veEstTime3 field (was veManTimes in DDC 1)
//
#define veEstTime3_1152x870x75Hz 0x80 // 800x600x72Hz MacII,Apple
#define veEstTime3_640x480x85Hz 0x40 // 640x480x85Hz VESA
#define veEstTime3_800x600x85Hz 0x20 // 800x600x85Hz VESA
#define veEstTime3_1280x1024x85Hz 0x10 // 1280x1024x85Hz VESA
#define veEstTime3_1024x768x85Hz 0x08 // 1024x768x85Hz VESA
#define veEstTime3_1600x1200x75Hz 0x04 // 1600x1200x75Hz VESA
#define veEstTime3_1600x1200x85Hz 0x02 // 1600x1200x85Hz VESA
#define veEstTime3_ManReservedTime 0x01 // manufacturer's reserved timings
//
// bit definitions for the veStdTime field
//
#define veStdTime_HorzResMask 0x00FF // HorzRes = (X + 31) * 8
#define veStdTime_RefreshRateMask 0x1F00 // RefreshRate = X + 60Hz
#define veStdTime_AspectRatioMask 0xC000 //
#define veStdTime_AspectRatio1to1 0x0000 // 1:1
#define veStdTime_AspectRatio4to3 0x4000 // 4:3
#define veStdTime_AspectRatio5to4 0x8000 // 5:4
#define veStdTime_AspectRatio16to9 0xC000 // 16:9
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