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+/**
+
+ Copyright (c) 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 <PiDxe.h>
+
+#include <Library/ArmPlatformSysConfigLib.h>
+#include <Library/IoLib.h>
+#include <Library/PcdLib.h>
+#include <Library/DebugLib.h>
+#include <Library/DxeServicesTableLib.h>
+#include <Library/LcdPlatformLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#include <Protocol/EdidDiscovered.h>
+#include <Protocol/EdidActive.h>
+
+#include <ArmPlatform.h>
+
+typedef struct {
+ UINT32 Mode;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ LCD_BPP Bpp;
+ UINT32 OscFreq;
+
+ // These are used by HDLCD
+ UINT32 HSync;
+ UINT32 HBackPorch;
+ UINT32 HFrontPorch;
+ UINT32 VSync;
+ UINT32 VBackPorch;
+ UINT32 VFrontPorch;
+} LCD_RESOLUTION;
+
+
+LCD_RESOLUTION mResolutions[] = {
+ { // Mode 0 : VGA : 640 x 480 x 24 bpp
+ VGA, VGA_H_RES_PIXELS, VGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, VGA_OSC_FREQUENCY,
+ VGA_H_SYNC, VGA_H_BACK_PORCH, VGA_H_FRONT_PORCH,
+ VGA_V_SYNC, VGA_V_BACK_PORCH, VGA_V_FRONT_PORCH
+ },
+ { // Mode 1 : SVGA : 800 x 600 x 24 bpp
+ SVGA, SVGA_H_RES_PIXELS, SVGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, SVGA_OSC_FREQUENCY,
+ SVGA_H_SYNC, SVGA_H_BACK_PORCH, SVGA_H_FRONT_PORCH,
+ SVGA_V_SYNC, SVGA_V_BACK_PORCH, SVGA_V_FRONT_PORCH
+ },
+ { // Mode 2 : XGA : 1024 x 768 x 24 bpp
+ XGA, XGA_H_RES_PIXELS, XGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, XGA_OSC_FREQUENCY,
+ XGA_H_SYNC, XGA_H_BACK_PORCH, XGA_H_FRONT_PORCH,
+ XGA_V_SYNC, XGA_V_BACK_PORCH, XGA_V_FRONT_PORCH
+ },
+ { // Mode 3 : SXGA : 1280 x 1024 x 24 bpp
+ SXGA, SXGA_H_RES_PIXELS, SXGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, (SXGA_OSC_FREQUENCY/2),
+ SXGA_H_SYNC, SXGA_H_BACK_PORCH, SXGA_H_FRONT_PORCH,
+ SXGA_V_SYNC, SXGA_V_BACK_PORCH, SXGA_V_FRONT_PORCH
+ },
+ { // Mode 4 : UXGA : 1600 x 1200 x 24 bpp
+ UXGA, UXGA_H_RES_PIXELS, UXGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, (UXGA_OSC_FREQUENCY/2),
+ UXGA_H_SYNC, UXGA_H_BACK_PORCH, UXGA_H_FRONT_PORCH,
+ UXGA_V_SYNC, UXGA_V_BACK_PORCH, UXGA_V_FRONT_PORCH
+ },
+ { // Mode 5 : HD : 1920 x 1080 x 24 bpp
+ HD, HD_H_RES_PIXELS, HD_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, (HD_OSC_FREQUENCY/2),
+ HD_H_SYNC, HD_H_BACK_PORCH, HD_H_FRONT_PORCH,
+ HD_V_SYNC, HD_V_BACK_PORCH, HD_V_FRONT_PORCH
+ }
+};
+
+EFI_EDID_DISCOVERED_PROTOCOL mEdidDiscovered = {
+ 0,
+ NULL
+};
+
+EFI_EDID_ACTIVE_PROTOCOL mEdidActive = {
+ 0,
+ NULL
+};
+
+EFI_STATUS
+LcdPlatformInitializeDisplay (
+ IN EFI_HANDLE Handle
+ )
+{
+ EFI_STATUS Status;
+
+ // Set the FPGA multiplexer to select the video output from the motherboard or the daughterboard
+ Status = ArmPlatformSysConfigSet (SYS_CFG_MUXFPGA, ARM_VE_DAUGHTERBOARD_1_SITE);
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+
+ // Install the EDID Protocols
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Handle,
+ &gEfiEdidDiscoveredProtocolGuid, &mEdidDiscovered,
+ &gEfiEdidActiveProtocolGuid, &mEdidActive,
+ NULL
+ );
+
+ return Status;
+}
+
+EFI_STATUS
+LcdPlatformGetVram (
+ OUT EFI_PHYSICAL_ADDRESS* VramBaseAddress,
+ OUT UINTN* VramSize
+ )
+{
+ EFI_STATUS Status;
+ EFI_ALLOCATE_TYPE AllocationType;
+
+ // Set the vram size
+ *VramSize = LCD_VRAM_SIZE;
+
+ *VramBaseAddress = (EFI_PHYSICAL_ADDRESS)LCD_VRAM_CORE_TILE_BASE;
+
+ // Allocate the VRAM from the DRAM so that nobody else uses it.
+ if (*VramBaseAddress == 0) {
+ AllocationType = AllocateAnyPages;
+ } else {
+ AllocationType = AllocateAddress;
+ }
+ Status = gBS->AllocatePages (AllocationType, EfiBootServicesData, EFI_SIZE_TO_PAGES(((UINTN)LCD_VRAM_SIZE)), VramBaseAddress);
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+
+ // Mark the VRAM as write-combining. The VRAM is inside the DRAM, which is cacheable.
+ Status = gDS->SetMemorySpaceAttributes (*VramBaseAddress, *VramSize,
+ EFI_MEMORY_WC);
+ ASSERT_EFI_ERROR(Status);
+ if (EFI_ERROR(Status)) {
+ gBS->FreePages (*VramBaseAddress, EFI_SIZE_TO_PAGES (*VramSize));
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+UINT32
+LcdPlatformGetMaxMode (
+ VOID
+ )
+{
+ //
+ // The following line will report correctly the total number of graphics modes
+ // that could be supported by the graphics driver:
+ //
+ return (sizeof(mResolutions) / sizeof(LCD_RESOLUTION));
+}
+
+EFI_STATUS
+LcdPlatformSetMode (
+ IN UINT32 ModeNumber
+ )
+{
+ EFI_STATUS Status;
+
+ if (ModeNumber >= LcdPlatformGetMaxMode ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ // Set the video mode oscillator
+ do {
+ Status = ArmPlatformSysConfigSetDevice (SYS_CFG_OSC_SITE1, PcdGet32(PcdHdLcdVideoModeOscId), mResolutions[ModeNumber].OscFreq);
+ } while (Status == EFI_TIMEOUT);
+ if (EFI_ERROR(Status)) {
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+ }
+
+ // Set the DVI into the new mode
+ do {
+ Status = ArmPlatformSysConfigSet (SYS_CFG_DVIMODE, mResolutions[ModeNumber].Mode);
+ } while (Status == EFI_TIMEOUT);
+ if (EFI_ERROR(Status)) {
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+ }
+
+ // Set the multiplexer
+ Status = ArmPlatformSysConfigSet (SYS_CFG_MUXFPGA, ARM_VE_DAUGHTERBOARD_1_SITE);
+ if (EFI_ERROR(Status)) {
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+LcdPlatformQueryMode (
+ IN UINT32 ModeNumber,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info
+ )
+{
+ if (ModeNumber >= LcdPlatformGetMaxMode ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Info->Version = 0;
+ Info->HorizontalResolution = mResolutions[ModeNumber].HorizontalResolution;
+ Info->VerticalResolution = mResolutions[ModeNumber].VerticalResolution;
+ Info->PixelsPerScanLine = mResolutions[ModeNumber].HorizontalResolution;
+
+ switch (mResolutions[ModeNumber].Bpp) {
+ case LCD_BITS_PER_PIXEL_24:
+ Info->PixelFormat = PixelRedGreenBlueReserved8BitPerColor;
+ Info->PixelInformation.RedMask = LCD_24BPP_RED_MASK;
+ Info->PixelInformation.GreenMask = LCD_24BPP_GREEN_MASK;
+ Info->PixelInformation.BlueMask = LCD_24BPP_BLUE_MASK;
+ Info->PixelInformation.ReservedMask = LCD_24BPP_RESERVED_MASK;
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_555:
+ case LCD_BITS_PER_PIXEL_16_565:
+ case LCD_BITS_PER_PIXEL_12_444:
+ case LCD_BITS_PER_PIXEL_8:
+ case LCD_BITS_PER_PIXEL_4:
+ case LCD_BITS_PER_PIXEL_2:
+ case LCD_BITS_PER_PIXEL_1:
+ default:
+ // These are not supported
+ ASSERT(FALSE);
+ break;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+LcdPlatformGetTimings (
+ IN UINT32 ModeNumber,
+ OUT UINT32* HRes,
+ OUT UINT32* HSync,
+ OUT UINT32* HBackPorch,
+ OUT UINT32* HFrontPorch,
+ OUT UINT32* VRes,
+ OUT UINT32* VSync,
+ OUT UINT32* VBackPorch,
+ OUT UINT32* VFrontPorch
+ )
+{
+ if (ModeNumber >= LcdPlatformGetMaxMode ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *HRes = mResolutions[ModeNumber].HorizontalResolution;
+ *HSync = mResolutions[ModeNumber].HSync;
+ *HBackPorch = mResolutions[ModeNumber].HBackPorch;
+ *HFrontPorch = mResolutions[ModeNumber].HFrontPorch;
+ *VRes = mResolutions[ModeNumber].VerticalResolution;
+ *VSync = mResolutions[ModeNumber].VSync;
+ *VBackPorch = mResolutions[ModeNumber].VBackPorch;
+ *VFrontPorch = mResolutions[ModeNumber].VFrontPorch;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+LcdPlatformGetBpp (
+ IN UINT32 ModeNumber,
+ OUT LCD_BPP * Bpp
+ )
+{
+ if (ModeNumber >= LcdPlatformGetMaxMode ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *Bpp = mResolutions[ModeNumber].Bpp;
+
+ return EFI_SUCCESS;
+}
new file mode 100644
@@ -0,0 +1,43 @@
+#/** @file
+#
+# Component description file for HdLcdArmVExpress library
+#
+# 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 = 0x0001001A
+ BASE_NAME = HdLcdArmVExpress
+ FILE_GUID = 56875b13-d4fc-4f20-8fe9-fc53762e299d
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = LcdPlatformLib
+
+[Sources.common]
+ HdLcdArmVExpress.c
+
+[Packages]
+ ArmPlatformPkg/ArmPlatformPkg.dec
+ MdePkg/MdePkg.dec
+ Platform/ARM/VExpressPkg/ArmVExpressPkg.dec
+
+[LibraryClasses]
+ ArmPlatformSysConfigLib
+ BaseLib
+ DxeServicesTableLib
+
+[Protocols]
+ gEfiEdidDiscoveredProtocolGuid # PRODUCES
+ gEfiEdidActiveProtocolGuid # PRODUCES
+
+[Pcd]
+ gVExpressTokenSpaceGuid.PcdHdLcdVideoModeOscId
Create a new LcdPlatformLib implementation for HdLcd on VExpress, based on the existing code that lives in ArmPlatformPkg. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> --- Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c | 285 ++++++++++++++++++++ Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpressLib.inf | 43 +++ 2 files changed, 328 insertions(+) -- 2.11.0 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel