99cfb43aa6
Add the declaration and include file for the new LcdHwLib library class, which will allow us to abstract away from platform variations in the LCD graphics output driver. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Girish Pathak <girish.pathak@arm.com> Signed-off-by: Evan Lloyd <evan.lloyd@arm.com> [ardb: add NULL implementation as well and add it to ArmPlatformPkg.dsc] Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/** @file LcdHwLib.h
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This file contains interface functions for LcdHwLib of ArmPlatformPkg
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Copyright (c) 2017, ARM Ltd. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef LCD_HW_LIB_H_
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#define LCD_HW_LIB_H_
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#include <Uefi/UefiBaseType.h>
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/**
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Check for presence of display
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@retval EFI_SUCCESS Platform implements display.
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@retval EFI_NOT_FOUND Display not found on the platform.
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**/
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EFI_STATUS
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LcdIdentify (
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VOID
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);
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/**
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Initialize display.
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@param FrameBaseAddress Address of the frame buffer.
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@retval EFI_SUCCESS Display initialization success.
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@retval !(EFI_SUCCESS) Display initialization failure.
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**/
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EFI_STATUS
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LcdInitialize (
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EFI_PHYSICAL_ADDRESS FrameBaseAddress
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);
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/**
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Set requested mode of the display.
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@param ModeNumber Display mode number.
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@retval EFI_SUCCESS Display set mode success.
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@retval EFI_DEVICE_ERROR If mode not found/supported.
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**/
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EFI_STATUS
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LcdSetMode (
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IN UINT32 ModeNumber
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);
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/**
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De-initializes the display.
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**/
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VOID
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LcdShutdown (
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VOID
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);
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#endif /* LCD_HW_LIB_H_ */
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