mirror_edk2/MdePkg/Include/Protocol/EdidOverride.h
Michael D Kinney 9344f09215 MdePkg: Replace BSD License with BSD+Patent License
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2019-04-09 10:58:13 -07:00

62 lines
2.2 KiB
C

/** @file
EDID Override Protocol from the UEFI 2.0 specification.
Allow platform to provide EDID information to the producer of the Graphics Output
protocol.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __EDID_OVERRIDE_H__
#define __EDID_OVERRIDE_H__
#define EFI_EDID_OVERRIDE_PROTOCOL_GUID \
{ \
0x48ecb431, 0xfb72, 0x45c0, {0xa9, 0x22, 0xf4, 0x58, 0xfe, 0x4, 0xb, 0xd5 } \
}
typedef struct _EFI_EDID_OVERRIDE_PROTOCOL EFI_EDID_OVERRIDE_PROTOCOL;
#define EFI_EDID_OVERRIDE_DONT_OVERRIDE 0x01
#define EFI_EDID_OVERRIDE_ENABLE_HOT_PLUG 0x02
/**
Returns policy information and potentially a replacement EDID for the specified video output device.
@param This The EFI_EDID_OVERRIDE_PROTOCOL instance.
@param ChildHandle A child handle produced by the Graphics Output EFI
driver that represents a video output device.
@param Attributes The attributes associated with ChildHandle video output device.
@param EdidSize A pointer to the size, in bytes, of the Edid buffer.
@param Edid A pointer to callee allocated buffer that contains the EDID that
should be used for ChildHandle. A value of NULL
represents no EDID override for ChildHandle.
@retval EFI_SUCCESS Valid overrides returned for ChildHandle.
@retval EFI_UNSUPPORTED ChildHandle has no overrides.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID)(
IN EFI_EDID_OVERRIDE_PROTOCOL *This,
IN EFI_HANDLE *ChildHandle,
OUT UINT32 *Attributes,
IN OUT UINTN *EdidSize,
IN OUT UINT8 **Edid
);
///
/// This protocol is produced by the platform to allow the platform to provide
/// EDID information to the producer of the Graphics Output protocol.
///
struct _EFI_EDID_OVERRIDE_PROTOCOL {
EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID GetEdid;
};
extern EFI_GUID gEfiEdidOverrideProtocolGuid;
#endif