| 1 | /** @file
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| 2 | EDID Discovered Protocol from the UEFI 2.0 specification.
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| 3 |
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| 4 | This protocol is placed on the video output device child handle. It represents
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| 5 | the EDID information being used for the output device represented by the child handle.
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| 6 |
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| 7 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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| 8 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 9 |
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| 10 | **/
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| 11 |
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| 12 | #ifndef __EDID_DISCOVERED_H__
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| 13 | #define __EDID_DISCOVERED_H__
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| 14 |
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| 15 | #define EFI_EDID_DISCOVERED_PROTOCOL_GUID \
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| 16 | { \
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| 17 | 0x1c0c34f6, 0xd380, 0x41fa, {0xa0, 0x49, 0x8a, 0xd0, 0x6c, 0x1a, 0x66, 0xaa } \
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| 18 | }
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| 19 |
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| 20 | ///
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| 21 | /// This protocol contains the EDID information retrieved from a video output device.
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| 22 | ///
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| 23 | typedef struct {
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| 24 | ///
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| 25 | /// The size, in bytes, of the Edid buffer. 0 if no EDID information
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| 26 | /// is available from the video output device. Otherwise, it must be a
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| 27 | /// minimum of 128 bytes.
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| 28 | ///
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| 29 | UINT32 SizeOfEdid;
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| 30 |
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| 31 | ///
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| 32 | /// A pointer to a read-only array of bytes that contains the EDID
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| 33 | /// information for an active video output device. This pointer is
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| 34 | /// NULL if no EDID information is available for the video output
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| 35 | /// device. The minimum size of a valid Edid buffer is 128 bytes.
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| 36 | /// EDID information is defined in the E-EDID EEPROM
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| 37 | /// specification published by VESA (www.vesa.org).
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| 38 | ///
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| 39 | UINT8 *Edid;
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| 40 | } EFI_EDID_DISCOVERED_PROTOCOL;
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| 41 |
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| 42 | extern EFI_GUID gEfiEdidDiscoveredProtocolGuid;
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| 43 |
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| 44 | #endif
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