HdLcd.c File Reference

#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/LcdHwLib.h>
#include <Library/LcdPlatformLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include "HdLcd.h"

Go to the source code of this file.

Macros
#define	BYTES_PER_PIXEL   4

Functions
EFI_STATUS	LcdInitialize (IN EFI_PHYSICAL_ADDRESS VramBaseAddress)
EFI_STATUS	LcdSetMode (IN UINT32 ModeNumber)
VOID	LcdShutdown (VOID)
EFI_STATUS	LcdIdentify (VOID)

Detailed Description

This file contains the platform independent parts of HdLcd

Copyright (c) 2011-2018, ARM Ltd. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file HdLcd.c.

Macro Definition Documentation

BYTES_PER_PIXEL

#define BYTES_PER_PIXEL   4

Definition at line 19 of file HdLcd.c.

Function Documentation

LcdIdentify()

EFI_STATUS LcdIdentify

(

VOID

)

Check for presence of HDLCD.

Return values

EFI_SUCCESS	Returns success if platform implements a HDLCD controller.
EFI_NOT_FOUND	HDLCD display controller not found on the platform.

Definition at line 165 of file HdLcd.c.

LcdInitialize()

EFI_STATUS LcdInitialize

(

IN EFI_PHYSICAL_ADDRESS

VramBaseAddress

)

Initialize display.

Parameters

[in]

VramBaseAddress

Address of the framebuffer.

Return values

EFI_SUCCESS

Display initialization successful.

Definition at line 28 of file HdLcd.c.

LcdSetMode()

EFI_STATUS LcdSetMode

(

IN UINT32

ModeNumber

)

Set requested mode of the display.

Parameters

[in]

ModeNumber

Display mode number.

Return values

EFI_SUCCESS	Display mode set successfully.
!(EFI_SUCCESS)	Other errors.

Definition at line 62 of file HdLcd.c.

LcdShutdown()

VOID LcdShutdown

(

VOID

)

De-initializes the display.

Definition at line 149 of file HdLcd.c.