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d1f95000 | 1 | /** @file\r |
2 | EDID Active Protocol from the UEFI 2.0 specification.\r | |
3 | \r | |
630b4187 | 4 | Placed on the video output device child handle that is actively displaying output.\r |
d1f95000 | 5 | \r |
9095d37b | 6 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9344f092 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
d1f95000 | 8 | \r |
d1f95000 | 9 | **/\r |
10 | \r | |
11 | #ifndef __EDID_ACTIVE_H__\r | |
12 | #define __EDID_ACTIVE_H__\r | |
13 | \r | |
14 | #define EFI_EDID_ACTIVE_PROTOCOL_GUID \\r | |
15 | { \\r | |
16 | 0xbd8c1056, 0x9f36, 0x44ec, {0x92, 0xa8, 0xa6, 0x33, 0x7f, 0x81, 0x79, 0x86 } \\r | |
17 | }\r | |
18 | \r | |
44717a39 | 19 | ///\r |
20 | /// This protocol contains the EDID information for an active video output device. This is either the\r | |
21 | /// EDID information retrieved from the EFI_EDID_OVERRIDE_PROTOCOL if an override is\r | |
22 | /// available, or an identical copy of the EDID information from the\r | |
23 | /// EFI_EDID_DISCOVERED_PROTOCOL if no overrides are available.\r | |
24 | ///\r | |
d1f95000 | 25 | typedef struct {\r |
a4e0b060 | 26 | ///\r |
27 | /// The size, in bytes, of the Edid buffer. 0 if no EDID information\r | |
28 | /// is available from the video output device. Otherwise, it must be a\r | |
29 | /// minimum of 128 bytes.\r | |
30 | ///\r | |
d1f95000 | 31 | UINT32 SizeOfEdid;\r |
a4e0b060 | 32 | \r |
33 | ///\r | |
34 | /// A pointer to a read-only array of bytes that contains the EDID\r | |
35 | /// information for an active video output device. This pointer is\r | |
36 | /// NULL if no EDID information is available for the video output\r | |
37 | /// device. The minimum size of a valid Edid buffer is 128 bytes.\r | |
952de076 | 38 | /// EDID information is defined in the E-EDID EEPROM\r |
a4e0b060 | 39 | /// specification published by VESA (www.vesa.org).\r |
40 | ///\r | |
d1f95000 | 41 | UINT8 *Edid;\r |
42 | } EFI_EDID_ACTIVE_PROTOCOL;\r | |
43 | \r | |
44 | extern EFI_GUID gEfiEdidActiveProtocolGuid;\r | |
45 | \r | |
46 | #endif\r |