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45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/** @file
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EDID Discovered Protocol from the UEFI 2.0 specification.
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This protocol is placed on the video output device child handle. It represents
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the EDID information being used for the output device represented by the child handle.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __EDID_DISCOVERED_H__
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#define __EDID_DISCOVERED_H__
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#define EFI_EDID_DISCOVERED_PROTOCOL_GUID \
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{ \
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0x1c0c34f6, 0xd380, 0x41fa, {0xa0, 0x49, 0x8a, 0xd0, 0x6c, 0x1a, 0x66, 0xaa } \
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}
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///
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/// This protocol contains the EDID information retrieved from a video output device.
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///
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typedef struct {
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///
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/// The size, in bytes, of the Edid buffer. 0 if no EDID information
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/// is available from the video output device. Otherwise, it must be a
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/// minimum of 128 bytes.
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///
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UINT32 SizeOfEdid;
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///
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/// A pointer to a read-only array of bytes that contains the EDID
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/// information for an active video output device. This pointer is
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/// NULL if no EDID information is available for the video output
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/// device. The minimum size of a valid Edid buffer is 128 bytes.
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/// EDID information is defined in the E-EDID EEPROM
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/// specification published by VESA (www.vesa.org).
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///
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UINT8 *Edid;
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} EFI_EDID_DISCOVERED_PROTOCOL;
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extern EFI_GUID gEfiEdidDiscoveredProtocolGuid;
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#endif
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