1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/** @file
EDID Active Protocol from the UEFI 2.0 specification.
Placed on the video output device child handle that are actively displaying output.
Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#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 } \
}
/**
@par Protocol Description:
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.
@param SizeOfEdid
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.
@param Edid
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-DID EEPROM
specification published by VESA (www.vesa.org).
**/
typedef struct {
UINT32 SizeOfEdid;
UINT8 *Edid;
} EFI_EDID_ACTIVE_PROTOCOL;
extern EFI_GUID gEfiEdidActiveProtocolGuid;
#endif
|
