| /** @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 |