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/** @file
EDID Active Protocol from the UEFI 2.0 specification.
Placed on the video output device child handle that is actively displaying output.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __EDID_ACTIVE_H__
#define __EDID_ACTIVE_H__
#define EFI_EDID_ACTIVE_PROTOCOL_GUID \
{ \
0xbd8c1056, 0x9f36, 0x44ec, {0x92, 0xa8, 0xa6, 0x33, 0x7f, 0x81, 0x79, 0x86 } \
}
///
/// This protocol contains the EDID information for an active video output device. This is either the
/// EDID information retrieved from the EFI_EDID_OVERRIDE_PROTOCOL if an override is
/// available, or an identical copy of the EDID information from the
/// EFI_EDID_DISCOVERED_PROTOCOL if no overrides are available.
///
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_ACTIVE_PROTOCOL;
extern EFI_GUID gEfiEdidActiveProtocolGuid;
#endif
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