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