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authoroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-22 23:24:54 +0000
committeroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-22 23:24:54 +0000
commit3d15d6c42408b8ad6966120a58665abb2657df4b (patch)
tree5fd573517d404dd769f9d60cc649d0dc5251776b /Omap35xxPkg
parentefe5f1a232abd5a43157368a6e2df292bce0e923 (diff)
downloadedk2-3d15d6c42408b8ad6966120a58665abb2657df4b.tar.gz
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BeagleBoardPkg: Add Display Driver support to the BeagleBoard
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12432 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Omap35xxPkg')
-rw-r--r--Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c445
-rw-r--r--Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c403
-rw-r--r--Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h157
-rw-r--r--Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.inf52
4 files changed, 1057 insertions, 0 deletions
diff --git a/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c
new file mode 100644
index 0000000000..38c84dd88c
--- /dev/null
+++ b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c
@@ -0,0 +1,445 @@
+/** @file
+
+ Copyright (c) 2011, 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 <PiDxe.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+#include <Guid/GlobalVariable.h>
+
+#include "LcdGraphicsOutputDxe.h"
+
+extern BOOLEAN mDisplayInitialized;
+
+//
+// Function Definitions
+//
+
+STATIC
+EFI_STATUS
+VideoCopyNoHorizontalOverlap (
+ IN UINTN BitsPerPixel,
+ IN volatile VOID *FrameBufferBase,
+ IN UINT32 HorizontalResolution,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height
+ )
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+ UINTN SourceLine;
+ UINTN DestinationLine;
+ UINTN WidthInBytes;
+ UINTN LineCount;
+ INTN Step;
+ VOID *SourceAddr;
+ VOID *DestinationAddr;
+
+ if( DestinationY <= SourceY ) {
+ // scrolling up (or horizontally but without overlap)
+ SourceLine = SourceY;
+ DestinationLine = DestinationY;
+ Step = 1;
+ } else {
+ // scrolling down
+ SourceLine = SourceY + Height;
+ DestinationLine = DestinationY + Height;
+ Step = -1;
+ }
+
+ WidthInBytes = Width * 2;
+
+ for( LineCount = 0; LineCount < Height; LineCount++ ) {
+ // Update the start addresses of source & destination using 16bit pointer arithmetic
+ SourceAddr = (VOID *)((UINT16 *)FrameBufferBase + SourceLine * HorizontalResolution + SourceX );
+ DestinationAddr = (VOID *)((UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationX);
+
+ // Copy the entire line Y from video ram to the temp buffer
+ CopyMem( DestinationAddr, SourceAddr, WidthInBytes);
+
+ // Update the line numbers
+ SourceLine += Step;
+ DestinationLine += Step;
+ }
+
+ return Status;
+}
+
+STATIC
+EFI_STATUS
+VideoCopyHorizontalOverlap (
+ IN UINTN BitsPerPixel,
+ IN volatile VOID *FrameBufferBase,
+ UINT32 HorizontalResolution,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height
+ )
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ UINT16 *PixelBuffer16bit;
+ UINT16 *SourcePixel16bit;
+ UINT16 *DestinationPixel16bit;
+
+ UINT32 SourcePixelY;
+ UINT32 DestinationPixelY;
+ UINTN SizeIn16Bits;
+
+ // Allocate a temporary buffer
+ PixelBuffer16bit = (UINT16 *) AllocatePool((Height * Width) * sizeof(UINT16));
+
+ if (PixelBuffer16bit == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto EXIT;
+ }
+
+ // Access each pixel inside the source area of the Video Memory and copy it to the temp buffer
+
+ SizeIn16Bits = Width * 2;
+
+ for (SourcePixelY = SourceY, DestinationPixel16bit = PixelBuffer16bit;
+ SourcePixelY < SourceY + Height;
+ SourcePixelY++, DestinationPixel16bit += Width)
+ {
+ // Calculate the source address:
+ SourcePixel16bit = (UINT16 *)FrameBufferBase + SourcePixelY * HorizontalResolution + SourceX;
+
+ // Copy the entire line Y from Video to the temp buffer
+ CopyMem( (VOID *)DestinationPixel16bit, (CONST VOID *)SourcePixel16bit, SizeIn16Bits);
+ }
+
+ // Copy from the temp buffer into the destination area of the Video Memory
+
+ for (DestinationPixelY = DestinationY, SourcePixel16bit = PixelBuffer16bit;
+ DestinationPixelY < DestinationY + Height;
+ DestinationPixelY++, SourcePixel16bit += Width)
+ {
+ // Calculate the target address:
+ DestinationPixel16bit = (UINT16 *)FrameBufferBase + (DestinationPixelY * HorizontalResolution + DestinationX);
+
+ // Copy the entire line Y from the temp buffer to Video
+ CopyMem( (VOID *)DestinationPixel16bit, (CONST VOID *)SourcePixel16bit, SizeIn16Bits);
+ }
+
+ // Free the allocated memory
+ FreePool((VOID *) PixelBuffer16bit);
+
+
+EXIT:
+ return Status;
+}
+
+STATIC
+EFI_STATUS
+BltVideoFill (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiSourcePixel, OPTIONAL
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
+ )
+{
+ EFI_PIXEL_BITMASK* PixelInformation;
+ EFI_STATUS Status;
+ UINT32 HorizontalResolution;
+ VOID *FrameBufferBase;
+ UINT16 *DestinationPixel16bit;
+ UINT16 Pixel16bit;
+ UINT32 DestinationPixelX;
+ UINT32 DestinationLine;
+
+ Status = EFI_SUCCESS;
+ PixelInformation = &This->Mode->Info->PixelInformation;
+ FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
+ HorizontalResolution = This->Mode->Info->HorizontalResolution;
+
+ // Convert the EFI pixel at the start of the BltBuffer(0,0) into a video display pixel
+ Pixel16bit = (UINT16) (
+ ( (EfiSourcePixel->Red << 8) & PixelInformation->RedMask )
+ | ( (EfiSourcePixel->Green << 3) & PixelInformation->GreenMask )
+ | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )
+ );
+
+ // Copy the SourcePixel into every pixel inside the target rectangle
+ for (DestinationLine = DestinationY;
+ DestinationLine < DestinationY + Height;
+ DestinationLine++)
+ {
+ for (DestinationPixelX = DestinationX;
+ DestinationPixelX < DestinationX + Width;
+ DestinationPixelX++)
+ {
+ // Calculate the target address:
+ DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;
+
+ // Copy the pixel into the new target
+ *DestinationPixel16bit = Pixel16bit;
+ }
+ }
+
+
+ return Status;
+}
+
+STATIC
+EFI_STATUS
+BltVideoToBltBuffer (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
+ )
+{
+ EFI_STATUS Status;
+ UINT32 HorizontalResolution;
+ EFI_PIXEL_BITMASK *PixelInformation;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiDestinationPixel;
+ VOID *FrameBufferBase;
+ UINT16 *SourcePixel16bit;
+ UINT16 Pixel16bit;
+ UINT32 SourcePixelX;
+ UINT32 SourceLine;
+ UINT32 DestinationPixelX;
+ UINT32 DestinationLine;
+ UINT32 BltBufferHorizontalResolution;
+
+ Status = EFI_SUCCESS;
+ PixelInformation = &This->Mode->Info->PixelInformation;
+ HorizontalResolution = This->Mode->Info->HorizontalResolution;
+ FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
+
+ if(( Delta != 0 ) && ( Delta != Width * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) {
+ // Delta is not zero and it is different from the width.
+ // Divide it by the size of a pixel to find out the buffer's horizontal resolution.
+ BltBufferHorizontalResolution = (UINT32) (Delta / sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ } else {
+ BltBufferHorizontalResolution = Width;
+ }
+
+ // Access each pixel inside the Video Memory
+ for (SourceLine = SourceY, DestinationLine = DestinationY;
+ SourceLine < SourceY + Height;
+ SourceLine++, DestinationLine++)
+ {
+ for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;
+ SourcePixelX < SourceX + Width;
+ SourcePixelX++, DestinationPixelX++)
+ {
+ // Calculate the source and target addresses:
+ SourcePixel16bit = (UINT16 *)FrameBufferBase + SourceLine * HorizontalResolution + SourcePixelX;
+ EfiDestinationPixel = BltBuffer + DestinationLine * BltBufferHorizontalResolution + DestinationPixelX;
+
+ // Snapshot the pixel from the video buffer once, to speed up the operation.
+ // If we were dereferencing the pointer, as it is volatile, we would perform 3 memory read operations.
+ Pixel16bit = *SourcePixel16bit;
+
+ // Copy the pixel into the new target
+ EfiDestinationPixel->Red = (UINT8) ( (Pixel16bit & PixelInformation->RedMask ) >> 8 );
+ EfiDestinationPixel->Green = (UINT8) ( (Pixel16bit & PixelInformation->GreenMask ) >> 3 );
+ EfiDestinationPixel->Blue = (UINT8) ( (Pixel16bit & PixelInformation->BlueMask ) << 3 );
+ }
+ }
+
+ return Status;
+}
+
+STATIC
+EFI_STATUS
+BltBufferToVideo (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
+ )
+{
+ EFI_STATUS Status;
+ UINT32 HorizontalResolution;
+ EFI_PIXEL_BITMASK *PixelInformation;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiSourcePixel;
+ VOID *FrameBufferBase;
+ UINT16 *DestinationPixel16bit;
+ UINT32 SourcePixelX;
+ UINT32 SourceLine;
+ UINT32 DestinationPixelX;
+ UINT32 DestinationLine;
+ UINT32 BltBufferHorizontalResolution;
+
+ Status = EFI_SUCCESS;
+ PixelInformation = &This->Mode->Info->PixelInformation;
+ HorizontalResolution = This->Mode->Info->HorizontalResolution;
+ FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
+
+ if(( Delta != 0 ) && ( Delta != Width * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) {
+ // Delta is not zero and it is different from the width.
+ // Divide it by the size of a pixel to find out the buffer's horizontal resolution.
+ BltBufferHorizontalResolution = (UINT32) (Delta / sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ } else {
+ BltBufferHorizontalResolution = Width;
+ }
+
+ // Access each pixel inside the BltBuffer Memory
+ for (SourceLine = SourceY, DestinationLine = DestinationY;
+ SourceLine < SourceY + Height;
+ SourceLine++, DestinationLine++) {
+
+ for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;
+ SourcePixelX < SourceX + Width;
+ SourcePixelX++, DestinationPixelX++)
+ {
+ // Calculate the source and target addresses:
+ EfiSourcePixel = BltBuffer + SourceLine * BltBufferHorizontalResolution + SourcePixelX;
+ DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;
+
+ // Copy the pixel into the new target
+ // Only the most significant bits will be copied across:
+ // To convert from 8 bits to 5 bits per pixel we throw away the 3 least significant bits
+ *DestinationPixel16bit = (UINT16) (
+ ( (EfiSourcePixel->Red << 8) & PixelInformation->RedMask )
+ | ( (EfiSourcePixel->Green << 3) & PixelInformation->GreenMask )
+ | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )
+ );
+ }
+ }
+
+ return Status;
+}
+
+STATIC
+EFI_STATUS
+BltVideoToVideo (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
+ )
+{
+ EFI_STATUS Status;
+ UINT32 HorizontalResolution;
+ UINTN BitsPerPixel;
+ VOID *FrameBufferBase;
+
+ BitsPerPixel = 16;
+
+ HorizontalResolution = This->Mode->Info->HorizontalResolution;
+ FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
+
+ //
+ // BltVideo to BltVideo:
+ //
+ // Source is the Video Memory,
+ // Destination is the Video Memory
+
+ FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
+
+ // The UEFI spec currently states:
+ // "There is no limitation on the overlapping of the source and destination rectangles"
+ // Therefore, we must be careful to avoid overwriting the source data
+ if( SourceY == DestinationY ) {
+ // Copying within the same height, e.g. horizontal shift
+ if( SourceX == DestinationX ) {
+ // Nothing to do
+ Status = EFI_SUCCESS;
+ } else if( ((SourceX>DestinationX)?(SourceX - DestinationX):(DestinationX - SourceX)) < Width ) {
+ // There is overlap
+ Status = VideoCopyHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );
+ } else {
+ // No overlap
+ Status = VideoCopyNoHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );
+ }
+ } else {
+ // Copying from different heights
+ Status = VideoCopyNoHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+LcdGraphicsBlt (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
+ )
+{
+ EFI_STATUS Status;
+ LCD_INSTANCE *Instance;
+
+ Instance = LCD_INSTANCE_FROM_GOP_THIS(This);
+
+ if (!mDisplayInitialized) {
+ InitializeDisplay (Instance);
+ }
+
+ switch (BltOperation) {
+ case EfiBltVideoFill:
+ Status = BltVideoFill (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);
+ break;
+
+ case EfiBltVideoToBltBuffer:
+ Status = BltVideoToBltBuffer (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);
+ break;
+
+ case EfiBltBufferToVideo:
+ Status = BltBufferToVideo (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);
+ break;
+
+ case EfiBltVideoToVideo:
+ Status = BltVideoToVideo (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);
+ break;
+
+ case EfiGraphicsOutputBltOperationMax:
+ default:
+ DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: Invalid Operation\n"));
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+
+ return Status;
+}
diff --git a/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c
new file mode 100644
index 0000000000..6c20575cfe
--- /dev/null
+++ b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c
@@ -0,0 +1,403 @@
+/** @file
+
+ Copyright (c) 2011, 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 "LcdGraphicsOutputDxe.h"
+
+BOOLEAN mDisplayInitialized = FALSE;
+
+LCD_MODE LcdModes[] = {
+ {
+ 0, 640, 480,
+ 9, 4,
+ 96, 16, 48,
+ 2, 10, 33
+ },
+ {
+ 1, 800, 600,
+ 11, 2,
+ 120, 56, 64,
+ 5, 37, 22
+ },
+ {
+ 2, 1024, 768,
+ 6, 2,
+ 96, 16, 48,
+ 2, 10, 33
+ },
+};
+
+LCD_INSTANCE mLcdTemplate = {
+ LCD_INSTANCE_SIGNATURE,
+ NULL, // Handle
+ { // ModeInfo
+ 0, // Version
+ 0, // HorizontalResolution
+ 0, // VerticalResolution
+ PixelBltOnly, // PixelFormat
+ {
+ 0xF800, //RedMask;
+ 0x7E0, //GreenMask;
+ 0x1F, //BlueMask;
+ 0x0//ReservedMask
+ }, // PixelInformation
+ 0, // PixelsPerScanLine
+ },
+ { // Mode
+ 3, // MaxMode;
+ 0, // Mode;
+ NULL, // Info;
+ 0, // SizeOfInfo;
+ 0, // FrameBufferBase;
+ 0 // FrameBufferSize;
+ },
+ { // Gop
+ LcdGraphicsQueryMode, // QueryMode
+ LcdGraphicsSetMode, // SetMode
+ LcdGraphicsBlt, // Blt
+ NULL // *Mode
+ },
+ { // DevicePath
+ {
+ {
+ HARDWARE_DEVICE_PATH, HW_VENDOR_DP,
+ (UINT8) (sizeof(VENDOR_DEVICE_PATH)),
+ (UINT8) ((sizeof(VENDOR_DEVICE_PATH)) >> 8),
+ },
+ // Hardware Device Path for Lcd
+ EFI_CALLER_ID_GUID // Use the driver's GUID
+ },
+
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ sizeof(EFI_DEVICE_PATH_PROTOCOL),
+ 0
+ }
+ }
+};
+
+EFI_STATUS
+LcdInstanceContructor (
+ OUT LCD_INSTANCE** NewInstance
+ )
+{
+ LCD_INSTANCE* Instance;
+
+ Instance = AllocateCopyPool (sizeof(LCD_INSTANCE), &mLcdTemplate);
+ if (Instance == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Instance->Gop.Mode = &Instance->Mode;
+ Instance->Mode.Info = &Instance->ModeInfo;
+
+ *NewInstance = Instance;
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+LcdPlatformGetVram (
+ OUT EFI_PHYSICAL_ADDRESS* VramBaseAddress,
+ OUT UINTN* VramSize
+ )
+{
+ EFI_STATUS Status;
+ EFI_CPU_ARCH_PROTOCOL *Cpu;
+ UINTN MaxSize;
+
+ MaxSize = 0x500000;
+ *VramSize = MaxSize;
+
+ // Allocate VRAM from DRAM
+ Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesData, EFI_SIZE_TO_PAGES((MaxSize)), VramBaseAddress);
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+
+ // Ensure the Cpu architectural protocol is already installed
+ Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&Cpu);
+ ASSERT_EFI_ERROR(Status);
+
+ // Mark the VRAM as un-cacheable. The VRAM is inside the DRAM, which is cacheable.
+ Status = Cpu->SetMemoryAttributes (Cpu, *VramBaseAddress, *VramSize, EFI_MEMORY_UC);
+ if (EFI_ERROR(Status)) {
+ gBS->FreePool (VramBaseAddress);
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+DssSetMode (
+ UINT32 VramBaseAddress,
+ UINTN ModeNumber
+ )
+{
+ // Make sure the interface clock is running
+ MmioWrite32 (CM_ICLKEN_DSS, EN_DSS);
+
+ // Stop the functional clocks
+ MmioAnd32 (CM_FCLKEN_DSS, ~(EN_DSS1 | EN_DSS2 | EN_TV));
+
+ // Program the DSS clock divisor
+ MmioWrite32 (CM_CLKSEL_DSS, 0x1000 | (LcdModes[ModeNumber].DssDivisor));
+
+ // Start the functional clocks
+ MmioOr32 (CM_FCLKEN_DSS, (EN_DSS1 | EN_DSS2 | EN_TV));
+
+ // Wait for DSS to stabilize
+ gBS->Stall(1);
+
+ // Reset the subsystem
+ MmioWrite32(DSS_SYSCONFIG, DSS_SOFTRESET);
+ while (!(MmioRead32 (DSS_SYSSTATUS) & DSS_RESETDONE));
+
+ // Configure LCD parameters
+ MmioWrite32 (DISPC_SIZE_LCD,
+ ((LcdModes[ModeNumber].HorizontalResolution - 1)
+ | ((LcdModes[ModeNumber].VerticalResolution - 1) << 16))
+ );
+ MmioWrite32 (DISPC_TIMING_H,
+ ( (LcdModes[ModeNumber].HSync - 1)
+ | ((LcdModes[ModeNumber].HFrontPorch - 1) << 8)
+ | ((LcdModes[ModeNumber].HBackPorch - 1) << 20))
+ );
+ MmioWrite32 (DISPC_TIMING_V,
+ ( (LcdModes[ModeNumber].VSync - 1)
+ | ((LcdModes[ModeNumber].VFrontPorch - 1) << 8)
+ | ((LcdModes[ModeNumber].VBackPorch - 1) << 20))
+ );
+
+ // Set the framebuffer to only load frames (no gamma tables)
+ MmioAnd32 (DISPC_CONFIG, CLEARLOADMODE);
+ MmioOr32 (DISPC_CONFIG, LOAD_FRAME_ONLY);
+
+ // Divisor for the pixel clock
+ MmioWrite32(DISPC_DIVISOR, ((1 << 16) | LcdModes[ModeNumber].DispcDivisor) );
+
+ // Set up the graphics layer
+ MmioWrite32 (DISPC_GFX_PRELD, 0x2D8);
+ MmioWrite32 (DISPC_GFX_BA0, VramBaseAddress);
+ MmioWrite32 (DISPC_GFX_SIZE,
+ ((LcdModes[ModeNumber].HorizontalResolution - 1)
+ | ((LcdModes[ModeNumber].VerticalResolution - 1) << 16))
+ );
+
+ MmioWrite32(DISPC_GFX_ATTR, (GFXENABLE | RGB16 | BURSTSIZE16));
+
+ // Start it all
+ MmioOr32 (DISPC_CONTROL, (LCDENABLE | ACTIVEMATRIX | DATALINES24 | BYPASS_MODE | LCDENABLESIGNAL));
+ MmioOr32 (DISPC_CONTROL, GOLCD);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+HwInitializeDisplay (
+ UINTN VramBaseAddress,
+ UINTN VramSize
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Data;
+ EFI_TPL OldTpl;
+ EMBEDDED_EXTERNAL_DEVICE *gTPS65950;
+
+ // Enable power lines used by TFP410
+ Status = gBS->LocateProtocol (&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950);
+ ASSERT_EFI_ERROR (Status);
+
+ OldTpl = gBS->RaiseTPL(TPL_NOTIFY);
+ Data = VAUX_DEV_GRP_P1;
+ Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VPLL2_DEV_GRP), 1, &Data);
+ ASSERT_EFI_ERROR(Status);
+
+ Data = VAUX_DEDICATED_18V;
+ Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VPLL2_DEDICATED), 1, &Data);
+ ASSERT_EFI_ERROR (Status);
+
+ // Power up TFP410 (set GPIO2 on TPS - for BeagleBoard-xM)
+ Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID2, GPIODATADIR1), 1, &Data);
+ ASSERT_EFI_ERROR (Status);
+ Data |= BIT2;
+ Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID2, GPIODATADIR1), 1, &Data);
+ ASSERT_EFI_ERROR (Status);
+
+ Data = BIT2;
+ Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID2, SETGPIODATAOUT1), 1, &Data);
+ ASSERT_EFI_ERROR (Status);
+
+ gBS->RestoreTPL(OldTpl);
+
+ // Power up TFP410 (set GPIO 170 - for older BeagleBoards)
+ MmioAnd32 (GPIO6_BASE + GPIO_OE, ~BIT10);
+ MmioOr32 (GPIO6_BASE + GPIO_SETDATAOUT, BIT10);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+InitializeDisplay (
+ IN LCD_INSTANCE* Instance
+ )
+{
+ EFI_STATUS Status;
+ UINTN VramSize;
+ EFI_PHYSICAL_ADDRESS VramBaseAddress;
+
+ Status = LcdPlatformGetVram (&VramBaseAddress, &VramSize);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Instance->Mode.FrameBufferBase = VramBaseAddress;
+ Instance->Mode.FrameBufferSize = VramSize;
+
+ Status = HwInitializeDisplay((UINTN)VramBaseAddress, VramSize);
+ if (!EFI_ERROR (Status)) {
+ mDisplayInitialized = TRUE;
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+LcdGraphicsQueryMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber,
+ OUT UINTN *SizeOfInfo,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
+ )
+{
+ LCD_INSTANCE *Instance;
+
+ Instance = LCD_INSTANCE_FROM_GOP_THIS(This);
+
+ if (!mDisplayInitialized) {
+ InitializeDisplay (Instance);
+ }
+
+ // Error checking
+ if ( (This == NULL) || (Info == NULL) || (SizeOfInfo == NULL) || (ModeNumber >= This->Mode->MaxMode) ) {
+ DEBUG((DEBUG_ERROR, "LcdGraphicsQueryMode: ERROR - For mode number %d : Invalid Parameter.\n", ModeNumber ));
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *Info = AllocateCopyPool(sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION), &Instance->ModeInfo);
+ if (*Info == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+
+ (*Info)->Version = 0;
+ (*Info)->HorizontalResolution = LcdModes[ModeNumber].HorizontalResolution;
+ (*Info)->VerticalResolution = LcdModes[ModeNumber].VerticalResolution;
+ (*Info)->PixelFormat = PixelBltOnly;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+LcdGraphicsSetMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber
+ )
+{
+ LCD_INSTANCE *Instance;
+
+ Instance = LCD_INSTANCE_FROM_GOP_THIS(This);
+
+ if (ModeNumber >= Instance->Mode.MaxMode) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (!mDisplayInitialized) {
+ InitializeDisplay (Instance);
+ }
+
+ DssSetMode((UINT32)Instance->Mode.FrameBufferBase, ModeNumber);
+
+ Instance->Mode.Mode = ModeNumber;
+ Instance->ModeInfo.HorizontalResolution = LcdModes[ModeNumber].HorizontalResolution;
+ Instance->ModeInfo.VerticalResolution = LcdModes[ModeNumber].VerticalResolution;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+LcdGraphicsOutputDxeInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+ LCD_INSTANCE* Instance;
+
+ Status = LcdInstanceContructor (&Instance);
+ if (EFI_ERROR(Status)) {
+ goto EXIT;
+ }
+
+ // Install the Graphics Output Protocol and the Device Path
+ Status = gBS->InstallMultipleProtocolInterfaces(
+ &Instance->Handle,
+ &gEfiGraphicsOutputProtocolGuid, &Instance->Gop,
+ &gEfiDevicePathProtocolGuid, &Instance->DevicePath,
+ NULL
+ );
+
+ if (EFI_ERROR(Status)) {
+ DEBUG((DEBUG_ERROR, "GraphicsOutputDxeInitialize: Can not install the protocol. Exit Status=%r\n", Status));
+ goto EXIT;
+ }
+
+ // Register for an ExitBootServicesEvent
+ // When ExitBootServices starts, this function here will make sure that the graphics driver will shut down properly,
+ // i.e. it will free up all allocated memory and perform any necessary hardware re-configuration.
+ /*Status = gBS->CreateEvent (
+ EVT_SIGNAL_EXIT_BOOT_SERVICES,
+ TPL_NOTIFY,
+ LcdGraphicsExitBootServicesEvent, NULL,
+ &Instance->ExitBootServicesEvent
+ );
+
+ if (EFI_ERROR(Status)) {
+ DEBUG((DEBUG_ERROR, "GraphicsOutputDxeInitialize: Can not install the ExitBootServicesEvent handler. Exit Status=%r\n", Status));
+ goto EXIT_ERROR_UNINSTALL_PROTOCOL;
+ }*/
+
+ // To get here, everything must be fine, so just exit
+ goto EXIT;
+
+//EXIT_ERROR_UNINSTALL_PROTOCOL:
+ /* The following function could return an error message,
+ * however, to get here something must have gone wrong already,
+ * so preserve the original error, i.e. don't change
+ * the Status variable, even it fails to uninstall the protocol.
+ */
+/* gBS->UninstallMultipleProtocolInterfaces (
+ Instance->Handle,
+ &gEfiGraphicsOutputProtocolGuid, &Instance->Gop, // Uninstall Graphics Output protocol
+ &gEfiDevicePathProtocolGuid, &Instance->DevicePath, // Uninstall device path
+ NULL
+ );*/
+
+EXIT:
+ return Status;
+
+}
diff --git a/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h
new file mode 100644
index 0000000000..39e69478a1
--- /dev/null
+++ b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h
@@ -0,0 +1,157 @@
+/** @file
+
+ Copyright (c) 2011, 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.
+
+**/
+
+#ifndef __OMAP3_DSS_GRAPHICS__
+#define __OMAP3_DSS_GRAPHICS__
+
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/IoLib.h>
+
+#include <Protocol/DevicePathToText.h>
+#include <Protocol/EmbeddedExternalDevice.h>
+#include <Protocol/Cpu.h>
+
+#include <Guid/GlobalVariable.h>
+
+#include <Omap3530/Omap3530.h>
+#include <TPS65950.h>
+
+typedef struct {
+ VENDOR_DEVICE_PATH Guid;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} LCD_GRAPHICS_DEVICE_PATH;
+
+typedef struct {
+ UINTN Signature;
+ EFI_HANDLE Handle;
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION ModeInfo;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE Mode;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL Gop;
+ LCD_GRAPHICS_DEVICE_PATH DevicePath;
+// EFI_EVENT ExitBootServicesEvent;
+} LCD_INSTANCE;
+
+#define LCD_INSTANCE_SIGNATURE SIGNATURE_32('l', 'c', 'd', '0')
+#define LCD_INSTANCE_FROM_GOP_THIS(a) CR (a, LCD_INSTANCE, Gop, LCD_INSTANCE_SIGNATURE)
+
+typedef struct {
+ UINTN Mode;
+ UINTN HorizontalResolution;
+ UINTN VerticalResolution;
+
+ UINT32 DssDivisor;
+ UINT32 DispcDivisor;
+
+ UINT32 HSync;
+ UINT32 HFrontPorch;
+ UINT32 HBackPorch;
+
+ UINT32 VSync;
+ UINT32 VFrontPorch;
+ UINT32 VBackPorch;
+} LCD_MODE;
+
+EFI_STATUS
+InitializeDisplay (
+ IN LCD_INSTANCE* Instance
+);
+
+EFI_STATUS
+EFIAPI
+LcdGraphicsQueryMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber,
+ OUT UINTN *SizeOfInfo,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
+);
+
+EFI_STATUS
+EFIAPI
+LcdGraphicsSetMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber
+);
+
+EFI_STATUS
+EFIAPI
+LcdGraphicsBlt (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
+);
+
+// HW registers
+#define CM_FCLKEN_DSS 0x48004E00
+#define CM_ICLKEN_DSS 0x48004E10
+
+#define DSS_CONTROL 0x48050040
+#define DSS_SYSCONFIG 0x48050010
+#define DSS_SYSSTATUS 0x48050014
+
+#define DISPC_CONTROL 0x48050440
+#define DISPC_CONFIG 0x48050444
+#define DISPC_SIZE_LCD 0x4805047C
+#define DISPC_TIMING_H 0x48050464
+#define DISPC_TIMING_V 0x48050468
+
+#define CM_CLKSEL_DSS 0x48004E40
+#define DISPC_DIVISOR 0x48050470
+#define DISPC_POL_FREQ 0x4805046C
+
+#define DISPC_GFX_TABLE_BA 0x480504B8
+#define DISPC_GFX_BA0 0x48050480
+#define DISPC_GFX_BA1 0x48050484
+#define DISPC_GFX_POS 0x48050488
+#define DISPC_GFX_SIZE 0x4805048C
+#define DISPC_GFX_ATTR 0x480504A0
+#define DISPC_GFX_PRELD 0x4805062C
+
+#define DISPC_DEFAULT_COLOR_0 0x4805044C
+
+//#define DISPC_IRQSTATUS
+
+// Bits
+#define EN_TV 0x4
+#define EN_DSS2 0x2
+#define EN_DSS1 0x1
+#define EN_DSS 0x1
+
+#define DSS_SOFTRESET 0x2
+#define DSS_RESETDONE 0x1
+
+#define BYPASS_MODE (BIT15 | BIT16)
+
+#define LCDENABLE BIT0
+#define ACTIVEMATRIX BIT3
+#define GOLCD BIT5
+#define DATALINES24 (BIT8 | BIT9)
+#define LCDENABLESIGNAL BIT28
+
+#define GFXENABLE BIT0
+#define RGB16 (0x6 << 1)
+#define BURSTSIZE16 (0x2 << 6)
+
+#define CLEARLOADMODE ~(BIT2 | BIT1)
+#define LOAD_FRAME_ONLY BIT2
+
+#endif
diff --git a/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.inf b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.inf
new file mode 100644
index 0000000000..f595bb39ed
--- /dev/null
+++ b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.inf
@@ -0,0 +1,52 @@
+#/** @file
+#
+# Copyright (c) 2011, 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 = LcdGraphicsDxe
+ FILE_GUID = E68088EF-D1A4-4336-C1DB-4D3A204730A6
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = LcdGraphicsOutputDxeInitialize
+
+[Sources.common]
+ LcdGraphicsOutputDxe.c
+ LcdGraphicsOutputBlt.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ ArmPkg/ArmPkg.dec
+ ArmPlatformPkg/ArmPlatformPkg.dec
+ Omap35xxPkg/Omap35xxPkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+
+[LibraryClasses]
+ ArmLib
+ UefiLib
+ BaseLib
+ DebugLib
+ TimerLib
+ UefiDriverEntryPoint
+ UefiBootServicesTableLib
+ IoLib
+ BaseMemoryLib
+
+[Protocols]
+ gEfiDevicePathProtocolGuid
+ gEfiGraphicsOutputProtocolGuid
+ gEfiDevicePathToTextProtocolGuid
+ gEmbeddedExternalDeviceProtocolGuid
+
+[Depex]
+ gEfiCpuArchProtocolGuid AND gEfiTimerArchProtocolGuid