audk/MdeModulePkg/Logo/Logo.c

141 lines
4.1 KiB
C

/** @file
Logo DXE Driver, install Edkii Platform Logo protocol.
Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Uefi.h>
#include <Protocol/HiiDatabase.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/HiiImageEx.h>
#include <Protocol/PlatformLogo.h>
#include <Protocol/HiiPackageList.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
typedef struct {
EFI_IMAGE_ID ImageId;
EDKII_PLATFORM_LOGO_DISPLAY_ATTRIBUTE Attribute;
INTN OffsetX;
INTN OffsetY;
} LOGO_ENTRY;
EFI_HII_IMAGE_EX_PROTOCOL *mHiiImageEx;
EFI_HII_HANDLE mHiiHandle;
LOGO_ENTRY mLogos[] = {
{
IMAGE_TOKEN (IMG_LOGO),
EdkiiPlatformLogoDisplayAttributeCenter,
0,
0
}
};
/**
Load a platform logo image and return its data and attributes.
@param This The pointer to this protocol instance.
@param Instance The visible image instance is found.
@param Image Points to the image.
@param Attribute The display attributes of the image returned.
@param OffsetX The X offset of the image regarding the Attribute.
@param OffsetY The Y offset of the image regarding the Attribute.
@retval EFI_SUCCESS The image was fetched successfully.
@retval EFI_NOT_FOUND The specified image could not be found.
**/
EFI_STATUS
EFIAPI
GetImage (
IN EDKII_PLATFORM_LOGO_PROTOCOL *This,
IN OUT UINT32 *Instance,
OUT EFI_IMAGE_INPUT *Image,
OUT EDKII_PLATFORM_LOGO_DISPLAY_ATTRIBUTE *Attribute,
OUT INTN *OffsetX,
OUT INTN *OffsetY
)
{
UINT32 Current;
if ((Instance == NULL) || (Image == NULL) ||
(Attribute == NULL) || (OffsetX == NULL) || (OffsetY == NULL))
{
return EFI_INVALID_PARAMETER;
}
Current = *Instance;
if (Current >= ARRAY_SIZE (mLogos)) {
return EFI_NOT_FOUND;
}
(*Instance)++;
*Attribute = mLogos[Current].Attribute;
*OffsetX = mLogos[Current].OffsetX;
*OffsetY = mLogos[Current].OffsetY;
return mHiiImageEx->GetImageEx (mHiiImageEx, mHiiHandle, mLogos[Current].ImageId, Image);
}
EDKII_PLATFORM_LOGO_PROTOCOL mPlatformLogo = {
GetImage
};
/**
Entrypoint of this module.
This function is the entrypoint of this module. It installs the Edkii
Platform Logo protocol.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
**/
EFI_STATUS
EFIAPI
InitializeLogo (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
EFI_HANDLE Handle;
Status = gBS->LocateProtocol (
&gEfiHiiDatabaseProtocolGuid,
NULL,
(VOID **)&HiiDatabase
);
ASSERT_EFI_ERROR (Status);
Status = gBS->LocateProtocol (
&gEfiHiiImageExProtocolGuid,
NULL,
(VOID **)&mHiiImageEx
);
ASSERT_EFI_ERROR (Status);
//
// Publish HII package list to HII Database.
//
Status = HiiDatabase->NewPackageList (
HiiDatabase,
&gModuleHiiPackageList->Header,
NULL,
&mHiiHandle
);
if (!EFI_ERROR (Status)) {
Handle = NULL;
Status = gBS->InstallMultipleProtocolInterfaces (
&Handle,
&gEdkiiPlatformLogoProtocolGuid,
&mPlatformLogo,
NULL
);
}
return Status;
}