iokit/Families/IOGraphics/ADBTest.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/IODevice.h>
  23 #include <driverkit/IODeviceMaster.h>
  24 #include <stdlib.h>
  25
  26 void main( void )
  27 {
  28     IOReturn            err;
  29     IOString            kind;
  30     int                 reg[ 2 ];
  31     int                 retCount;
  32     IOObjectNumber      obj;
  33     int                 i;
  34
  35         err = _IOLookupByDeviceName( device_master_self(), "display@Display0",
  36                  &obj, &kind);
  37         printf("_IOLookupByDeviceName = %d\n", err );
  38
  39         retCount = sizeof(int);
  40         err = _IOCallDeviceMethod( device_master_self(), obj,
  41                     "IOSMADBGetAVDeviceID:size:",
  42                     nil, 0,
  43                     &retCount,
  44                     &reg[ 1 ],
  45                     &retCount);
  46         printf("IOSMADBGetAVDeviceID(%d) = %08x\n", err, reg[ 1 ] );
  47
  48         reg[0] = 0xff;
  49         reg[1] = 0xff;
  50         retCount = 0;
  51         err = _IOCallDeviceMethod( device_master_self(), obj,
  52                     "IOSMADBSetLogicalRegister:size:",
  53                     reg, sizeof( reg),
  54                     &retCount,
  55                     nil,
  56                     &retCount);
  57         printf("IOSMADBSetLogicalRegister(%d)\n", err );
  58
  59         for( i = 0; i < 4; i++) {
  60             reg[0] = 0xff;
  61             retCount = sizeof(int);
  62             err = _IOCallDeviceMethod( device_master_self(), obj,
  63                         "IOSMADBGetLogicalRegister:size:result:size:",
  64                         reg, sizeof( int),
  65                         &retCount,
  66                         &reg[ 1 ],
  67                         &retCount);
  68             printf("IOSMADBGetLogicalRegister(%d) = %08x\n", err, reg[ 1 ] );
  69         }
  70 }