1 /** @file 2 EDID Discovered Protocol from the UEFI 2.0 specification. 3 4 This protocol is placed on the video output device child handle. It represents 5 the EDID information being used for the output device represented by the child handle. 6 7 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> 8 SPDX-License-Identifier: BSD-2-Clause-Patent 9 10 **/ 11 12 #ifndef __EDID_DISCOVERED_H__ 13 #define __EDID_DISCOVERED_H__ 14 15 #define EFI_EDID_DISCOVERED_PROTOCOL_GUID \ 16 { \ 17 0x1c0c34f6, 0xd380, 0x41fa, {0xa0, 0x49, 0x8a, 0xd0, 0x6c, 0x1a, 0x66, 0xaa } \ 18 } 19 20 /// 21 /// This protocol contains the EDID information retrieved from a video output device. 22 /// 23 typedef struct { 24 /// 25 /// The size, in bytes, of the Edid buffer. 0 if no EDID information 26 /// is available from the video output device. Otherwise, it must be a 27 /// minimum of 128 bytes. 28 /// 29 UINT32 SizeOfEdid; 30 31 /// 32 /// A pointer to a read-only array of bytes that contains the EDID 33 /// information for an active video output device. This pointer is 34 /// NULL if no EDID information is available for the video output 35 /// device. The minimum size of a valid Edid buffer is 128 bytes. 36 /// EDID information is defined in the E-EDID EEPROM 37 /// specification published by VESA (www.vesa.org). 38 /// 39 UINT8 *Edid; 40 } EFI_EDID_DISCOVERED_PROTOCOL; 41 42 extern EFI_GUID gEfiEdidDiscoveredProtocolGuid; 43 44 #endif 45