From f8c9f1c18c7d5630f6b6e633303bc4e8178334f1 Mon Sep 17 00:00:00 2001 From: oliviermartin Date: Tue, 28 Feb 2012 17:13:30 +0000 Subject: 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 --- .../Drivers/LcdGraphicsOutputDxe/HdLcd.c | 125 +++++++++++++++++++++ .../HdLcdGraphicsOutputDxe.inf | 60 ++++++++++ 2 files changed, 185 insertions(+) create mode 100644 ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/HdLcd.c create mode 100644 ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/HdLcdGraphicsOutputDxe.inf (limited to 'ArmPlatformPkg/Drivers') diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/HdLcd.c b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/HdLcd.c new file mode 100644 index 0000000000..c9baa98224 --- /dev/null +++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/HdLcd.c @@ -0,0 +1,125 @@ +/** @file Lcd.c + + Copyright (c) 2011-2012, ARM Ltd. All rights reserved.
+ + 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 +#include +#include +#include +#include + +#include + +#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 +} diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/HdLcdGraphicsOutputDxe.inf b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/HdLcdGraphicsOutputDxe.inf new file mode 100644 index 0000000000..ac61bf75eb --- /dev/null +++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/HdLcdGraphicsOutputDxe.inf @@ -0,0 +1,60 @@ +#/** @file +# +# Component description file for HDLCD module +# +# Copyright (c) 2011-2012, ARM Ltd. All rights reserved.
+# +# 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 -- cgit v1.2.3