1eee59048SToomas Soome /** @file 2eee59048SToomas Soome EDID Active Protocol from the UEFI 2.0 specification. 3eee59048SToomas Soome 4eee59048SToomas Soome Placed on the video output device child handle that is actively displaying output. 5eee59048SToomas Soome 6eee59048SToomas Soome Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR> 7eee59048SToomas Soome This program and the accompanying materials 8eee59048SToomas Soome are licensed and made available under the terms and conditions of the BSD License 9eee59048SToomas Soome which accompanies this distribution. The full text of the license may be found at 10eee59048SToomas Soome http://opensource.org/licenses/bsd-license.php 11eee59048SToomas Soome 12eee59048SToomas Soome THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13eee59048SToomas Soome WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14eee59048SToomas Soome 15eee59048SToomas Soome **/ 16eee59048SToomas Soome 17eee59048SToomas Soome #ifndef __EDID_ACTIVE_H__ 18eee59048SToomas Soome #define __EDID_ACTIVE_H__ 19eee59048SToomas Soome 20eee59048SToomas Soome #define EFI_EDID_ACTIVE_PROTOCOL_GUID \ 21eee59048SToomas Soome { \ 22eee59048SToomas Soome 0xbd8c1056, 0x9f36, 0x44ec, {0x92, 0xa8, 0xa6, 0x33, 0x7f, 0x81, 0x79, 0x86 } \ 23eee59048SToomas Soome } 24eee59048SToomas Soome 25eee59048SToomas Soome /// 26eee59048SToomas Soome /// This protocol contains the EDID information for an active video output device. This is either the 27eee59048SToomas Soome /// EDID information retrieved from the EFI_EDID_OVERRIDE_PROTOCOL if an override is 28eee59048SToomas Soome /// available, or an identical copy of the EDID information from the 29eee59048SToomas Soome /// EFI_EDID_DISCOVERED_PROTOCOL if no overrides are available. 30eee59048SToomas Soome /// 31eee59048SToomas Soome typedef struct { 32eee59048SToomas Soome /// 33eee59048SToomas Soome /// The size, in bytes, of the Edid buffer. 0 if no EDID information 34eee59048SToomas Soome /// is available from the video output device. Otherwise, it must be a 35eee59048SToomas Soome /// minimum of 128 bytes. 36eee59048SToomas Soome /// 37eee59048SToomas Soome UINT32 SizeOfEdid; 38eee59048SToomas Soome 39eee59048SToomas Soome /// 40eee59048SToomas Soome /// A pointer to a read-only array of bytes that contains the EDID 41eee59048SToomas Soome /// information for an active video output device. This pointer is 42eee59048SToomas Soome /// NULL if no EDID information is available for the video output 43eee59048SToomas Soome /// device. The minimum size of a valid Edid buffer is 128 bytes. 44eee59048SToomas Soome /// EDID information is defined in the E-EDID EEPROM 45eee59048SToomas Soome /// specification published by VESA (www.vesa.org). 46eee59048SToomas Soome /// 47eee59048SToomas Soome UINT8 *Edid; 48eee59048SToomas Soome } EFI_EDID_ACTIVE_PROTOCOL; 49eee59048SToomas Soome 50eee59048SToomas Soome extern EFI_GUID gEfiEdidActiveProtocolGuid; 51eee59048SToomas Soome 52eee59048SToomas Soome #endif 53