diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/EdidOverride.h')
-rw-r--r-- | src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/EdidOverride.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/EdidOverride.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/EdidOverride.h new file mode 100644 index 0000000000..6c7c082eab --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/EdidOverride.h @@ -0,0 +1,61 @@ +/** @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, + OUT UINTN *EdidSize, + 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 |