MdePkg/Include/Protocol/EdidDiscovered.h

/** @file
  EDID Discovered Protocol from the UEFI 2.0 specification.

  This protocol is placed on the video output device child handle. It represents
  the EDID information being used for the output device represented by the child handle.

  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef __EDID_DISCOVERED_H__
#define __EDID_DISCOVERED_H__

#define EFI_EDID_DISCOVERED_PROTOCOL_GUID \
  { \
    0x1c0c34f6, 0xd380, 0x41fa, {0xa0, 0x49, 0x8a, 0xd0, 0x6c, 0x1a, 0x66, 0xaa } \
  }

///
/// This protocol contains the EDID information retrieved from a video output device.
///
typedef struct {
  ///
  /// The size, in bytes, of the Edid buffer. 0 if no EDID information
  /// is available from the video output device. Otherwise, it must be a
  /// minimum of 128 bytes.
  ///
  UINT32    SizeOfEdid;

  ///
  /// A pointer to a read-only array of bytes that contains the EDID
  /// information for an active video output device. This pointer is
  /// NULL if no EDID information is available for the video output
  /// device. The minimum size of a valid Edid buffer is 128 bytes.
  /// EDID information is defined in the E-EDID EEPROM
  /// specification published by VESA (www.vesa.org).
  ///
  UINT8    *Edid;
} EFI_EDID_DISCOVERED_PROTOCOL;

extern EFI_GUID  gEfiEdidDiscoveredProtocolGuid;

#endif