audk/ArmPlatformPkg/Library/LcdHwNullLib/LcdHwNullLib.c

70 lines
1.2 KiB
C

/** @file
Copyright (c) 2017, Linaro, Ltd. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Base.h>
#include <Uefi/UefiBaseType.h>
#include <Library/DebugLib.h>
#include <Library/LcdPlatformLib.h>
/**
Check for presence of display
@retval EFI_SUCCESS Platform implements display.
@retval EFI_NOT_FOUND Display not found on the platform.
**/
EFI_STATUS
LcdIdentify (
VOID
)
{
return EFI_SUCCESS;
}
/**
Initialize display.
@param FrameBaseAddress Address of the frame buffer.
@retval EFI_SUCCESS Display initialization success.
@retval !(EFI_SUCCESS) Display initialization failure.
**/
EFI_STATUS
LcdInitialize (
EFI_PHYSICAL_ADDRESS FrameBaseAddress
)
{
return EFI_SUCCESS;
}
/**
Set requested mode of the display.
@param ModeNumber Display mode number.
@retval EFI_SUCCESS Display set mode success.
@retval EFI_DEVICE_ERROR If mode not found/supported.
**/
EFI_STATUS
LcdSetMode (
IN UINT32 ModeNumber
)
{
return EFI_SUCCESS;
}
/**
De-initializes the display.
**/
VOID
LcdShutdown (
VOID
)
{
}