iokit/Families/IOGraphics/DDCInfo.m

   1 /*
   2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 #include  <driverkit/ppc/IOMacOSTypes.h>
  23 #include "IOMacOSVideo.h"
  24 #include <stdlib.h>
  25
  26 struct TimingToEDID {
  27     UInt32      timingID;
  28     UInt8       spare;
  29     UInt8       establishedBit;
  30     UInt16      standardTiming;
  31 };
  32 typedef struct TimingToEDID TimingToEDID;
  33
  34 #define MAKESTD(h,a,r)          ( (((h/8)-31)<<8) | (a<<6) | (r-60) )
  35
  36 static const TimingToEDID timingToEDID[] = {
  37     { timingApple_512x384_60hz,         0, 0xff, MAKESTD(  512,1,60) },
  38     { timingApple_640x480_67hz,         0, 0x04, MAKESTD(  640,1,67) },
  39     { timingVESA_640x480_60hz,          0, 0x05, MAKESTD(  640,1,60) },
  40     { timingVESA_640x480_72hz ,         0, 0x03, MAKESTD(  640,1,72) },
  41     { timingVESA_640x480_75hz,          0, 0x02, MAKESTD(  640,1,75) },
  42     { timingVESA_640x480_85hz,          0, 0xff, MAKESTD(  640,1,85) },
  43     { timingApple_832x624_75hz,         0, 0x0d, MAKESTD(  832,1,75) },
  44     { timingVESA_800x600_56hz,          0, 0x01, MAKESTD(  800,1,56) },
  45     { timingVESA_800x600_60hz,          0, 0x00, MAKESTD(  800,1,60) },
  46     { timingVESA_800x600_72hz,          0, 0x0f, MAKESTD(  800,1,72) },
  47     { timingVESA_800x600_75hz,          0, 0x0e, MAKESTD(  800,1,75) },
  48     { timingVESA_800x600_85hz,          0, 0xff, MAKESTD(  800,1,85) },
  49     { timingVESA_1024x768_60hz,         0, 0x0b, MAKESTD( 1024,1,60) },
  50     { timingVESA_1024x768_70hz,         0, 0x0a, MAKESTD( 1024,1,70) },
  51     { timingVESA_1024x768_75hz,         0, 0x09, MAKESTD( 1024,1,75) },
  52     { timingVESA_1024x768_85hz,         0, 0xff, MAKESTD( 1024,1,85) },
  53     { timingApple_1024x768_75hz,        0, 0x09, MAKESTD( 1024,1,75) },
  54     { timingApple_1152x870_75hz,        0, 0x17, MAKESTD( 0000,0,00) },
  55     { timingVESA_1280x960_75hz,         0, 0xff, MAKESTD( 1280,1,75) },
  56     { timingVESA_1280x1024_60hz,        0, 0xff, MAKESTD( 1280,2,60) },
  57     { timingVESA_1280x1024_75hz,        0, 0x08, MAKESTD( 1280,2,75) },
  58     { timingVESA_1280x1024_85hz,        0, 0xff, MAKESTD( 1280,2,85) },
  59     { timingVESA_1600x1200_60hz,        0, 0xff, MAKESTD( 1600,1,60) },
  60     { timingVESA_1600x1200_65hz,        0, 0xff, MAKESTD( 1600,1,65) },
  61     { timingVESA_1600x1200_70hz,        0, 0xff, MAKESTD( 1600,1,70) },
  62     { timingVESA_1600x1200_75hz,        0, 0xff, MAKESTD( 1600,1,75) },
  63     { timingVESA_1600x1200_80hz,        0, 0xff, MAKESTD( 1600,1,80) }
  64 };
  65
  66
  67 void main( void )
  68 {
  69     const TimingToEDID  *       lookTiming;
  70
  71     lookTiming = timingToEDID;
  72     while( lookTiming < (timingToEDID + sizeof( timingToEDID) / sizeof( TimingToEDID))) {
  73
  74         printf("%d 0x%x ", lookTiming->timingID,
  75                 *((unsigned int *)&lookTiming->spare) );
  76         lookTiming++;
  77     }
  78     printf("\n");
  79 }
  80