EdidActive.h revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
2N/A/** @file
2N/A EDID Active Protocol from the UEFI 2.0 specification.
2N/A
2N/A Placed on the video output device child handle that is actively displaying output.
2N/A
2N/A Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
2N/A This program and the accompanying materials
2N/A are licensed and made available under the terms and conditions of the BSD License
2N/A which accompanies this distribution. The full text of the license may be found at
2N/A http://opensource.org/licenses/bsd-license.php
2N/A
2N/A THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
2N/A WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
2N/A
2N/A**/
2N/A
2N/A#ifndef __EDID_ACTIVE_H__
2N/A#define __EDID_ACTIVE_H__
2N/A
2N/A#define EFI_EDID_ACTIVE_PROTOCOL_GUID \
2N/A { \
2N/A 0xbd8c1056, 0x9f36, 0x44ec, {0x92, 0xa8, 0xa6, 0x33, 0x7f, 0x81, 0x79, 0x86 } \
2N/A }
2N/A
2N/A///
2N/A/// This protocol contains the EDID information for an active video output device. This is either the
2N/A/// EDID information retrieved from the EFI_EDID_OVERRIDE_PROTOCOL if an override is
2N/A/// available, or an identical copy of the EDID information from the
2N/A/// EFI_EDID_DISCOVERED_PROTOCOL if no overrides are available.
2N/A///
2N/Atypedef struct {
2N/A ///
2N/A /// The size, in bytes, of the Edid buffer. 0 if no EDID information
2N/A /// is available from the video output device. Otherwise, it must be a
2N/A /// minimum of 128 bytes.
2N/A ///
2N/A UINT32 SizeOfEdid;
2N/A
2N/A ///
2N/A /// A pointer to a read-only array of bytes that contains the EDID
2N/A /// information for an active video output device. This pointer is
2N/A /// NULL if no EDID information is available for the video output
2N/A /// device. The minimum size of a valid Edid buffer is 128 bytes.
2N/A /// EDID information is defined in the E-DID EEPROM
2N/A /// specification published by VESA (www.vesa.org).
2N/A ///
2N/A UINT8 *Edid;
2N/A} EFI_EDID_ACTIVE_PROTOCOL;
2N/A
2N/Aextern EFI_GUID gEfiEdidActiveProtocolGuid;
2N/A
2N/A#endif
2N/A