1*65641822SToomas Soome /** @file 2*65641822SToomas Soome EDID Active Protocol from the UEFI 2.0 specification. 3*65641822SToomas Soome 4*65641822SToomas Soome Placed on the video output device child handle that is actively displaying output. 5*65641822SToomas Soome 6*65641822SToomas Soome Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR> 7*65641822SToomas Soome This program and the accompanying materials 8*65641822SToomas Soome are licensed and made available under the terms and conditions of the BSD License 9*65641822SToomas Soome which accompanies this distribution. The full text of the license may be found at 10*65641822SToomas Soome http://opensource.org/licenses/bsd-license.php 11*65641822SToomas Soome 12*65641822SToomas Soome THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13*65641822SToomas Soome WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14*65641822SToomas Soome 15*65641822SToomas Soome **/ 16*65641822SToomas Soome 17*65641822SToomas Soome #ifndef __EDID_ACTIVE_H__ 18*65641822SToomas Soome #define __EDID_ACTIVE_H__ 19*65641822SToomas Soome 20*65641822SToomas Soome #define EFI_EDID_ACTIVE_PROTOCOL_GUID \ 21*65641822SToomas Soome { \ 22*65641822SToomas Soome 0xbd8c1056, 0x9f36, 0x44ec, {0x92, 0xa8, 0xa6, 0x33, 0x7f, 0x81, 0x79, 0x86 } \ 23*65641822SToomas Soome } 24*65641822SToomas Soome 25*65641822SToomas Soome /// 26*65641822SToomas Soome /// This protocol contains the EDID information for an active video output device. This is either the 27*65641822SToomas Soome /// EDID information retrieved from the EFI_EDID_OVERRIDE_PROTOCOL if an override is 28*65641822SToomas Soome /// available, or an identical copy of the EDID information from the 29*65641822SToomas Soome /// EFI_EDID_DISCOVERED_PROTOCOL if no overrides are available. 30*65641822SToomas Soome /// 31*65641822SToomas Soome typedef struct { 32*65641822SToomas Soome /// 33*65641822SToomas Soome /// The size, in bytes, of the Edid buffer. 0 if no EDID information 34*65641822SToomas Soome /// is available from the video output device. Otherwise, it must be a 35*65641822SToomas Soome /// minimum of 128 bytes. 36*65641822SToomas Soome /// 37*65641822SToomas Soome UINT32 SizeOfEdid; 38*65641822SToomas Soome 39*65641822SToomas Soome /// 40*65641822SToomas Soome /// A pointer to a read-only array of bytes that contains the EDID 41*65641822SToomas Soome /// information for an active video output device. This pointer is 42*65641822SToomas Soome /// NULL if no EDID information is available for the video output 43*65641822SToomas Soome /// device. The minimum size of a valid Edid buffer is 128 bytes. 44*65641822SToomas Soome /// EDID information is defined in the E-EDID EEPROM 45*65641822SToomas Soome /// specification published by VESA (www.vesa.org). 46*65641822SToomas Soome /// 47*65641822SToomas Soome UINT8 *Edid; 48*65641822SToomas Soome } EFI_EDID_ACTIVE_PROTOCOL; 49*65641822SToomas Soome 50*65641822SToomas Soome extern EFI_GUID gEfiEdidActiveProtocolGuid; 51*65641822SToomas Soome 52*65641822SToomas Soome #endif 53