mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-23 16:17:40 +01:00
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
|
/** @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
|