ArmPlatformPkg/LcdGraphicsOutputDxe: Added support for ARM HDLCD controller (2)

... Forgot the new files



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13053 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2012-02-28 17:13:30 +00:00
parent 0db25ccc6c
commit f8c9f1c18c
3 changed files with 274 additions and 0 deletions

View File

@@ -0,0 +1,125 @@
/** @file Lcd.c
Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/LcdPlatformLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <Drivers/HdLcd.h>
#include "LcdGraphicsOutputDxe.h"
/**********************************************************************
*
* This file contains all the bits of the Lcd that are
* platform independent.
*
**********************************************************************/
EFI_STATUS
LcdInitialize (
IN EFI_PHYSICAL_ADDRESS VramBaseAddress
)
{
// Disable the controller
MmioWrite32(HDLCD_REG_COMMAND, HDLCD_DISABLE);
// Disable all interrupts
MmioWrite32(HDLCD_REG_INT_MASK, 0);
// Define start of the VRAM. This never changes for any graphics mode
MmioWrite32(HDLCD_REG_FB_BASE, (UINT32) VramBaseAddress);
// Setup various registers that never change
MmioWrite32(HDLCD_REG_BUS_OPTIONS, (4 << 8) | HDLCD_BURST_8);
MmioWrite32(HDLCD_REG_POLARITIES, HDLCD_PXCLK_LOW | HDLCD_DATA_HIGH | HDLCD_DATEN_HIGH | HDLCD_HSYNC_LOW | HDLCD_VSYNC_HIGH);
MmioWrite32(HDLCD_REG_PIXEL_FORMAT, HDLCD_LITTLE_ENDIAN | HDLCD_4BYTES_PER_PIXEL);
MmioWrite32(HDLCD_REG_RED_SELECT, (0 << 16 | 8 << 8 | 0));
MmioWrite32(HDLCD_REG_GREEN_SELECT, (0 << 16 | 8 << 8 | 8));
MmioWrite32(HDLCD_REG_BLUE_SELECT, (0 << 16 | 8 << 8 | 16));
return EFI_SUCCESS;
}
EFI_STATUS
LcdSetMode (
IN UINT32 ModeNumber
)
{
EFI_STATUS Status;
UINT32 HRes;
UINT32 HSync;
UINT32 HBackPorch;
UINT32 HFrontPorch;
UINT32 VRes;
UINT32 VSync;
UINT32 VBackPorch;
UINT32 VFrontPorch;
UINT32 BytesPerPixel;
LCD_BPP LcdBpp;
// Set the video mode timings and other relevant information
Status = LcdPlatformGetTimings (ModeNumber,
&HRes,&HSync,&HBackPorch,&HFrontPorch,
&VRes,&VSync,&VBackPorch,&VFrontPorch);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR( Status )) {
return EFI_DEVICE_ERROR;
}
Status = LcdPlatformGetBpp (ModeNumber,&LcdBpp);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR( Status )) {
return EFI_DEVICE_ERROR;
}
BytesPerPixel = GetBytesPerPixel(LcdBpp);
// Disable the controller
MmioWrite32(HDLCD_REG_COMMAND, HDLCD_DISABLE);
// Update the frame buffer information with the new settings
MmioWrite32(HDLCD_REG_FB_LINE_LENGTH, HRes * BytesPerPixel);
MmioWrite32(HDLCD_REG_FB_LINE_PITCH, HRes * BytesPerPixel);
MmioWrite32(HDLCD_REG_FB_LINE_COUNT, VRes - 1);
// Set the vertical timing information
MmioWrite32(HDLCD_REG_V_SYNC, VSync);
MmioWrite32(HDLCD_REG_V_BACK_PORCH, VBackPorch);
MmioWrite32(HDLCD_REG_V_DATA, VRes - 1);
MmioWrite32(HDLCD_REG_V_FRONT_PORCH, VFrontPorch);
// Set the horizontal timing information
MmioWrite32(HDLCD_REG_H_SYNC, HSync);
MmioWrite32(HDLCD_REG_H_BACK_PORCH, HBackPorch);
MmioWrite32(HDLCD_REG_H_DATA, HRes - 1);
MmioWrite32(HDLCD_REG_H_FRONT_PORCH, HFrontPorch);
// Enable the controller
MmioWrite32(HDLCD_REG_COMMAND, HDLCD_ENABLE);
return EFI_SUCCESS;
}
VOID
LcdShutdown (
VOID
)
{
// Nothing to do in terms of hardware.
// We could switch off the monitor display if required
}

View File

@@ -0,0 +1,60 @@
#/** @file
#
# Component description file for HDLCD module
#
# Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = HdLcdGraphicsDxe
FILE_GUID = ce660500-824d-11e0-ac72-0002a5d5c51b
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = LcdGraphicsOutputDxeInitialize
[Sources.common]
LcdGraphicsOutputDxe.c
LcdGraphicsOutputBlt.c
HdLcd.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
ArmPkg/ArmPkg.dec
ArmPlatformPkg/ArmVExpressPkg/ArmVExpressPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
[LibraryClasses]
ArmLib
UefiLib
BaseLib
DebugLib
TimerLib
UefiDriverEntryPoint
UefiBootServicesTableLib
IoLib
BaseMemoryLib
LcdPlatformLib
[Protocols]
gEfiDevicePathProtocolGuid
gEfiGraphicsOutputProtocolGuid # Produced
gEfiEdidDiscoveredProtocolGuid # Produced
gEfiEdidActiveProtocolGuid # Produced
gEfiEdidOverrideProtocolGuid # Produced
[FixedPcd]
gArmPlatformTokenSpaceGuid.PcdArmHdLcdBase
[Depex]
gEfiCpuArchProtocolGuid