projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 LG |
6 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| 7 | This program and the accompanying materials\r | |
| 8 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 9 | which accompanies this distribution. The full text of the license may be found at\r | |
| 10 | http://opensource.org/licenses/bsd-license.php\r | |
| d1f95000 | 11 | \r |
| 9095d37b LG |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| d1f95000 | 14 | \r |
| d1f95000 | 15 | **/\r |
| 16 | \r | |
| 17 | #ifndef __EDID_ACTIVE_H__\r | |
| 18 | #define __EDID_ACTIVE_H__\r | |
| 19 | \r | |
| 20 | #define EFI_EDID_ACTIVE_PROTOCOL_GUID \\r | |
| 21 | { \\r | |
| 22 | 0xbd8c1056, 0x9f36, 0x44ec, {0x92, 0xa8, 0xa6, 0x33, 0x7f, 0x81, 0x79, 0x86 } \\r | |
| 23 | }\r | |
| 24 | \r | |
| 44717a39 | 25 | ///\r |
| 26 | /// This protocol contains the EDID information for an active video output device. This is either the\r | |
| 27 | /// EDID information retrieved from the EFI_EDID_OVERRIDE_PROTOCOL if an override is\r | |
| 28 | /// available, or an identical copy of the EDID information from the\r | |
| 29 | /// EFI_EDID_DISCOVERED_PROTOCOL if no overrides are available.\r | |
| 30 | ///\r | |
| d1f95000 | 31 | typedef struct {\r |
| a4e0b060 | 32 | ///\r |
| 33 | /// The size, in bytes, of the Edid buffer. 0 if no EDID information\r | |
| 34 | /// is available from the video output device. Otherwise, it must be a\r | |
| 35 | /// minimum of 128 bytes.\r | |
| 36 | ///\r | |
| d1f95000 | 37 | UINT32 SizeOfEdid;\r |
| a4e0b060 | 38 | \r |
| 39 | ///\r | |
| 40 | /// A pointer to a read-only array of bytes that contains the EDID\r | |
| 41 | /// information for an active video output device. This pointer is\r | |
| 42 | /// NULL if no EDID information is available for the video output\r | |
| 43 | /// device. The minimum size of a valid Edid buffer is 128 bytes.\r | |
| 952de076 | 44 | /// EDID information is defined in the E-EDID EEPROM\r |
| a4e0b060 | 45 | /// specification published by VESA (www.vesa.org).\r |
| 46 | ///\r | |
| d1f95000 | 47 | UINT8 *Edid;\r |
| 48 | } EFI_EDID_ACTIVE_PROTOCOL;\r | |
| 49 | \r | |
| 50 | extern EFI_GUID gEfiEdidActiveProtocolGuid;\r | |
| 51 | \r | |
| 52 | #endif\r |