summaryrefslogtreecommitdiff
path: root/ArmPlatformPkg/Drivers
diff options
context:
space:
mode:
Diffstat (limited to 'ArmPlatformPkg/Drivers')
-rw-r--r--ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c885
-rw-r--r--ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c379
-rw-r--r--ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h124
-rw-r--r--ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c140
-rw-r--r--ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111LcdGraphicsOutputDxe.inf60
5 files changed, 1588 insertions, 0 deletions
diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c
new file mode 100644
index 0000000000..679ccc8256
--- /dev/null
+++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c
@@ -0,0 +1,885 @@
+/** @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/PcdLib.h>
+#include <Library/DebugLib.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 <ArmPlatform.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;
+ }
+
+ switch (BitsPerPixel) {
+
+ case LCD_BITS_PER_PIXEL_24:
+
+ WidthInBytes = Width * 4;
+
+ for( LineCount = 0; LineCount < Height; LineCount++ ) {
+ // Update the start addresses of source & destination using 32bit pointer arithmetic
+ SourceAddr = (VOID *)((UINT32 *)FrameBufferBase + SourceLine * HorizontalResolution + SourceX );
+ DestinationAddr = (VOID *)((UINT32 *)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;
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_555:
+ case LCD_BITS_PER_PIXEL_16_565:
+ case LCD_BITS_PER_PIXEL_12_444:
+
+ 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;
+ }
+ break;
+
+ 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:
+ // Can't handle this case
+ DEBUG((DEBUG_ERROR, "ArmVeGraphics_Blt: EfiBltVideoToVideo: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));
+ Status = EFI_INVALID_PARAMETER;
+ goto EXIT;
+ // break;
+
+ }
+
+ EXIT:
+ 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;
+
+ UINT32 *PixelBuffer32bit;
+ UINT32 *SourcePixel32bit;
+ UINT32 *DestinationPixel32bit;
+
+ UINT16 *PixelBuffer16bit;
+ UINT16 *SourcePixel16bit;
+ UINT16 *DestinationPixel16bit;
+
+ UINT32 SourcePixelY;
+ UINT32 DestinationPixelY;
+ UINTN SizeIn32Bits;
+ UINTN SizeIn16Bits;
+
+ switch (BitsPerPixel) {
+
+ case LCD_BITS_PER_PIXEL_24:
+ // Allocate a temporary buffer
+
+ PixelBuffer32bit = (UINT32 *) AllocatePool((Height * Width) * sizeof(UINT32));
+
+ if (PixelBuffer32bit == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto EXIT;
+ }
+
+ SizeIn32Bits = Width * 4;
+
+ // Copy from the video ram (source region) to a temp buffer
+ for (SourcePixelY = SourceY, DestinationPixel32bit = PixelBuffer32bit;
+ SourcePixelY < SourceY + Height;
+ SourcePixelY++, DestinationPixel32bit += Width)
+ {
+ // Update the start address of line Y (source)
+ SourcePixel32bit = (UINT32 *)FrameBufferBase + SourcePixelY * HorizontalResolution + SourceX;
+
+ // Copy the entire line Y from video ram to the temp buffer
+ CopyMem( (VOID *)DestinationPixel32bit, (CONST VOID *)SourcePixel32bit, SizeIn32Bits);
+ }
+
+ // Copy from the temp buffer to the video ram (destination region)
+ for (DestinationPixelY = DestinationY, SourcePixel32bit = PixelBuffer32bit;
+ DestinationPixelY < DestinationY + Height;
+ DestinationPixelY++, SourcePixel32bit += Width)
+ {
+ // Update the start address of line Y (target)
+ DestinationPixel32bit = (UINT32 *)FrameBufferBase + DestinationPixelY * HorizontalResolution + DestinationX;
+
+ // Copy the entire line Y from the temp buffer to video ram
+ CopyMem( (VOID *)DestinationPixel32bit, (CONST VOID *)SourcePixel32bit, SizeIn32Bits);
+ }
+
+ // Free up the allocated memory
+ FreePool((VOID *) PixelBuffer32bit);
+
+ break;
+
+
+ case LCD_BITS_PER_PIXEL_16_555:
+ case LCD_BITS_PER_PIXEL_16_565:
+ case LCD_BITS_PER_PIXEL_12_444:
+ // 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);
+
+ break;
+
+
+ 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:
+ // Can't handle this case
+ DEBUG((DEBUG_ERROR, "ArmVeGraphics_Blt: EfiBltVideoToVideo: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));
+ Status = EFI_INVALID_PARAMETER;
+ goto EXIT;
+ // break;
+
+ }
+
+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;
+ LCD_BPP BitsPerPixel;
+ VOID *FrameBufferBase;
+ VOID *DestinationAddr;
+ UINT16 *DestinationPixel16bit;
+ UINT16 Pixel16bit;
+ UINT32 DestinationPixelX;
+ UINT32 DestinationLine;
+ UINTN WidthInBytes;
+
+ Status = EFI_SUCCESS;
+ PixelInformation = &This->Mode->Info->PixelInformation;
+ FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
+ HorizontalResolution = This->Mode->Info->HorizontalResolution;
+
+ LcdPlatformGetBpp (This->Mode->Mode,&BitsPerPixel);
+
+ switch (BitsPerPixel) {
+ case LCD_BITS_PER_PIXEL_24:
+ WidthInBytes = Width * 4;
+
+ // Copy the SourcePixel into every pixel inside the target rectangle
+ for (DestinationLine = DestinationY;
+ DestinationLine < DestinationY + Height;
+ DestinationLine++)
+ {
+ // Calculate the target address using 32bit pointer arithmetic:
+ DestinationAddr = (VOID *)((UINT32 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationX);
+
+ // Fill the entire line
+ SetMemN( DestinationAddr, WidthInBytes, *((UINTN *)EfiSourcePixel));
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_555:
+ // Convert the EFI pixel at the start of the BltBuffer(0,0) into a video display pixel
+ Pixel16bit = (UINT16) (
+ ( (EfiSourcePixel->Red << 7) & PixelInformation->RedMask )
+ | ( (EfiSourcePixel->Green << 2) & PixelInformation->GreenMask )
+ | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )
+// | ( 0 & PixelInformation->ReservedMask )
+ );
+
+ // 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;
+ }
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_565:
+ // 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;
+ }
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_12_444:
+ // Convert the EFI pixel at the start of the BltBuffer(0,0) into a video display pixel
+ Pixel16bit = (UINT16) (
+ ( (EfiSourcePixel->Red >> 4) & PixelInformation->RedMask )
+ | ( (EfiSourcePixel->Green ) & PixelInformation->GreenMask )
+ | ( (EfiSourcePixel->Blue << 4) & 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;
+ }
+ }
+ break;
+
+ 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:
+ // Can't handle this case
+ DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: EfiBltVideoFill: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+
+ 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;
+ LCD_BPP BitsPerPixel;
+ EFI_PIXEL_BITMASK *PixelInformation;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiDestinationPixel;
+ VOID *FrameBufferBase;
+ VOID *SourceAddr;
+ VOID *DestinationAddr;
+ UINT16 *SourcePixel16bit;
+ UINT16 Pixel16bit;
+ UINT32 SourcePixelX;
+ UINT32 SourceLine;
+ UINT32 DestinationPixelX;
+ UINT32 DestinationLine;
+ UINT32 BltBufferHorizontalResolution;
+ UINTN WidthInBytes;
+
+ 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;
+ }
+
+ LcdPlatformGetBpp (This->Mode->Mode,&BitsPerPixel);
+
+ switch (BitsPerPixel) {
+ case LCD_BITS_PER_PIXEL_24:
+ WidthInBytes = Width * 4;
+
+ // Access each line inside the Video Memory
+ for (SourceLine = SourceY, DestinationLine = DestinationY;
+ SourceLine < SourceY + Height;
+ SourceLine++, DestinationLine++)
+ {
+ // Calculate the source and target addresses using 32bit pointer arithmetic:
+ SourceAddr = (VOID *)((UINT32 *)FrameBufferBase + SourceLine * HorizontalResolution + SourceX );
+ DestinationAddr = (VOID *)((UINT32 *)BltBuffer + DestinationLine * BltBufferHorizontalResolution + DestinationX);
+
+ // Copy the entire line
+ CopyMem( DestinationAddr, SourceAddr, WidthInBytes);
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_555:
+ // 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 ) >> 7 );
+ EfiDestinationPixel->Green = (UINT8) ( (Pixel16bit & PixelInformation->GreenMask ) >> 2);
+ EfiDestinationPixel->Blue = (UINT8) ( (Pixel16bit & PixelInformation->BlueMask ) << 3 );
+ // EfiDestinationPixel->Reserved = (UINT8) 0;
+ }
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_565:
+ // 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
+ // There is no info for the Reserved byte, so we set it to zero
+ EfiDestinationPixel->Red = (UINT8) ( (Pixel16bit & PixelInformation->RedMask ) >> 8 );
+ EfiDestinationPixel->Green = (UINT8) ( (Pixel16bit & PixelInformation->GreenMask ) >> 3);
+ EfiDestinationPixel->Blue = (UINT8) ( (Pixel16bit & PixelInformation->BlueMask ) << 3 );
+ // EfiDestinationPixel->Reserved = (UINT8) 0;
+ }
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_12_444:
+ // 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 ) >> 4 );
+ EfiDestinationPixel->Green = (UINT8) ( (Pixel16bit & PixelInformation->GreenMask ) );
+ EfiDestinationPixel->Blue = (UINT8) ( (Pixel16bit & PixelInformation->BlueMask ) << 4 );
+ // EfiDestinationPixel->Reserved = (UINT8) 0;
+ }
+ }
+ break;
+
+ 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:
+ // Can't handle this case
+ DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: EfiBltVideoToBltBuffer: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+ 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;
+ LCD_BPP BitsPerPixel;
+ EFI_PIXEL_BITMASK *PixelInformation;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiSourcePixel;
+ VOID *FrameBufferBase;
+ VOID *SourceAddr;
+ VOID *DestinationAddr;
+ UINT16 *DestinationPixel16bit;
+ UINT32 SourcePixelX;
+ UINT32 SourceLine;
+ UINT32 DestinationPixelX;
+ UINT32 DestinationLine;
+ UINT32 BltBufferHorizontalResolution;
+ UINTN WidthInBytes;
+
+ 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;
+ }
+
+ LcdPlatformGetBpp (This->Mode->Mode,&BitsPerPixel);
+
+ switch (BitsPerPixel) {
+ case LCD_BITS_PER_PIXEL_24:
+ WidthInBytes = Width * 4;
+
+ // Access each pixel inside the BltBuffer Memory
+ for (SourceLine = SourceY, DestinationLine = DestinationY;
+ SourceLine < SourceY + Height;
+ SourceLine++, DestinationLine++)
+ {
+ // Calculate the source and target addresses using 32bit pointer arithmetic:
+ SourceAddr = (VOID *)((UINT32 *)BltBuffer + SourceLine * BltBufferHorizontalResolution + SourceX );
+ DestinationAddr = (VOID *)((UINT32 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationX);
+
+ // Copy the entire row Y
+ CopyMem( DestinationAddr, SourceAddr, WidthInBytes);
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_555:
+ // 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 << 7) & PixelInformation->RedMask )
+ | ( (EfiSourcePixel->Green << 2) & PixelInformation->GreenMask )
+ | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )
+ // | ( 0 & PixelInformation->ReservedMask )
+ );
+ }
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_565:
+ // 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 or 6 bits per pixel we throw away the 3 or 2 least significant bits
+ // There is no room for the Reserved byte so we ignore that completely
+ *DestinationPixel16bit = (UINT16) (
+ ( (EfiSourcePixel->Red << 8) & PixelInformation->RedMask )
+ | ( (EfiSourcePixel->Green << 3) & PixelInformation->GreenMask )
+ | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )
+ );
+ }
+ }
+ break;
+
+ case LCD_BITS_PER_PIXEL_12_444:
+ // 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 << 4) & PixelInformation->RedMask )
+ | ( (EfiSourcePixel->Green ) & PixelInformation->GreenMask )
+ | ( (EfiSourcePixel->Blue >> 4) & PixelInformation->BlueMask )
+ // | ( 0 & PixelInformation->ReservedMask )
+ );
+ }
+ }
+ break;
+
+ 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:
+ // Can't handle this case
+ DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: EfiBltBufferToVideo: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+ 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;
+ LCD_BPP BitsPerPixel;
+ VOID *FrameBufferBase;
+
+ HorizontalResolution = This->Mode->Info->HorizontalResolution;
+ FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
+
+ //
+ // BltVideo to BltVideo:
+ //
+ // Source is the Video Memory,
+ // Destination is the Video Memory
+
+ LcdPlatformGetBpp (This->Mode->Mode,&BitsPerPixel);
+ 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;
+}
+
+/***************************************
+ * GraphicsOutput Protocol function, mapping to
+ * EFI_GRAPHICS_OUTPUT_PROTOCOL.Blt
+ *
+ * PRESUMES: 1 pixel = 4 bytes (32bits)
+ * ***************************************/
+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;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ LCD_INSTANCE* Instance;
+
+ Instance = LCD_INSTANCE_FROM_GOP_THIS(This);
+
+ // Setup the hardware if not already done
+ if (!mDisplayInitialized) {
+ Status = InitializeDisplay (Instance);
+ if (EFI_ERROR(Status)) {
+ goto EXIT;
+ }
+ }
+
+ HorizontalResolution = This->Mode->Info->HorizontalResolution;
+ VerticalResolution = This->Mode->Info->VerticalResolution;
+
+ DEBUG((DEBUG_INFO, "LcdGraphicsBlt (BltOperation:%d,DestX:%d,DestY:%d,Width:%d,Height:%d) res(%d,%d)\n",
+ BltOperation,DestinationX,DestinationY,Width,Height,HorizontalResolution,VerticalResolution));
+
+ // Check we have reasonable parameters
+ if (Width == 0 || Height == 0) {
+ DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: ERROR - Invalid dimension: Zero size area.\n" ));
+ Status = EFI_INVALID_PARAMETER;
+ goto EXIT;
+ }
+
+ if ((BltOperation == EfiBltVideoFill) || (BltOperation == EfiBltBufferToVideo) || (BltOperation == EfiBltVideoToBltBuffer)) {
+ ASSERT( BltBuffer != NULL);
+ }
+
+ /*if ((DestinationX >= HorizontalResolution) || (DestinationY >= VerticalResolution)) {
+ DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: ERROR - Invalid destination.\n" ));
+ Status = EFI_INVALID_PARAMETER;
+ goto EXIT;
+ }*/
+
+ // If we are reading data out of the video buffer, check that the source area is within the display limits
+ if ((BltOperation == EfiBltVideoToBltBuffer) || (BltOperation == EfiBltVideoToVideo)) {
+ if ((SourceY + Height > VerticalResolution) || (SourceX + Width > HorizontalResolution)) {
+ DEBUG((DEBUG_INFO, "LcdGraphicsBlt: ERROR - Invalid source resolution.\n" ));
+ DEBUG((DEBUG_INFO, " - SourceY=%d + Height=%d > VerticalResolution=%d.\n", SourceY, Height, VerticalResolution ));
+ DEBUG((DEBUG_INFO, " - SourceX=%d + Width=%d > HorizontalResolution=%d.\n", SourceX, Width, HorizontalResolution ));
+ Status = EFI_INVALID_PARAMETER;
+ goto EXIT;
+ }
+ }
+
+ // If we are writing data into the video buffer, that the destination area is within the display limits
+ if ((BltOperation == EfiBltVideoFill) || (BltOperation == EfiBltBufferToVideo) || (BltOperation == EfiBltVideoToVideo)) {
+ if ((DestinationY + Height > VerticalResolution) || (DestinationX + Width > HorizontalResolution)) {
+ DEBUG((DEBUG_INFO, "LcdGraphicsBlt: ERROR - Invalid destination resolution.\n" ));
+ DEBUG((DEBUG_INFO, " - DestinationY=%d + Height=%d > VerticalResolution=%d.\n", DestinationY, Height, VerticalResolution ));
+ DEBUG((DEBUG_INFO, " - DestinationX=%d + Width=%d > HorizontalResolution=%d.\n", DestinationX, Width, HorizontalResolution ));
+ Status = EFI_INVALID_PARAMETER;
+ goto EXIT;
+ }
+ }
+
+ //
+ // Perform the Block Transfer Operation
+ //
+
+ 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;
+ }
+
+EXIT:
+ return Status;
+}
diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c
new file mode 100644
index 0000000000..a4ab6a68f5
--- /dev/null
+++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c
@@ -0,0 +1,379 @@
+/** @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/PcdLib.h>
+#include <Library/DebugLib.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 <ArmPlatform.h>
+#include "LcdGraphicsOutputDxe.h"
+
+/**********************************************************************
+ *
+ * This file implements the Graphics Output protocol on ArmVersatileExpress
+ * using the Lcd controller
+ *
+ **********************************************************************/
+
+//
+// Global variables
+//
+
+BOOLEAN mDisplayInitialized = FALSE;
+
+LCD_INSTANCE mLcdTemplate = {
+ LCD_INSTANCE_SIGNATURE,
+ NULL, // Handle
+ { // ModeInfo
+ 0, // Version
+ 0, // HorizontalResolution
+ 0, // VerticalResolution
+ PixelBltOnly, // PixelFormat
+ 0, // PixelInformation
+ 0, // PixelsPerScanLine
+ },
+ {
+ 0, // 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_EVENT) NULL // ExitBootServicesEvent
+};
+
+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->Gop.Mode->MaxMode = LcdPlatformGetMaxMode ();
+ Instance->Mode.Info = &Instance->ModeInfo;
+
+ *NewInstance = Instance;
+ return EFI_SUCCESS;
+}
+
+//
+// Function Definitions
+//
+
+EFI_STATUS
+InitializeDisplay (
+ IN LCD_INSTANCE* Instance
+ )
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_PHYSICAL_ADDRESS VramBaseAddress;
+ UINTN VramSize;
+
+ Status = LcdPlatformGetVram (&VramBaseAddress, &VramSize);
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+
+ // Setup the LCD
+ Status = LcdInitialize (VramBaseAddress);
+ if (EFI_ERROR(Status)) {
+ goto EXIT_ERROR_LCD_SHUTDOWN;
+ }
+
+ Status = LcdPlatformInitializeDisplay ();
+ if (EFI_ERROR(Status)) {
+ goto EXIT_ERROR_LCD_SHUTDOWN;
+ }
+
+ // Setup all the relevant mode information
+ Instance->Gop.Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+ Instance->Gop.Mode->FrameBufferBase = VramBaseAddress;
+ Instance->Gop.Mode->FrameBufferSize = VramSize;
+
+ // Set the flag before changing the mode, to avoid infinite loops
+ mDisplayInitialized = TRUE;
+
+ // All is ok, so don't deal with any errors
+ goto EXIT;
+
+EXIT_ERROR_LCD_SHUTDOWN:
+ DEBUG((DEBUG_ERROR, "InitializeDisplay: ERROR - Can not initialise the display. Exit Status=%r\n", Status));
+ LcdShutdown ();
+
+EXIT:
+ return Status;
+}
+
+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;
+
+}
+
+/***************************************
+ * This function should be called
+ * on Event: ExitBootServices
+ * to free up memory, stop the driver
+ * and uninstall the protocols
+ ***************************************/
+VOID
+LcdGraphicsExitBootServicesEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ //TODO: Implement me
+}
+
+/***************************************
+ * GraphicsOutput Protocol function, mapping to
+ * EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode
+ ***************************************/
+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 Status = EFI_SUCCESS;
+ LCD_INSTANCE *Instance;
+
+ Instance = LCD_INSTANCE_FROM_GOP_THIS(This);
+
+ // Setup the hardware if not already done
+ if( !mDisplayInitialized ) {
+ Status = InitializeDisplay(Instance);
+ if (EFI_ERROR(Status)) {
+ goto EXIT;
+ }
+ }
+
+ // 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 ));
+ Status = EFI_INVALID_PARAMETER;
+ goto EXIT;
+ }
+
+ *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
+ if (*Info == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto EXIT;
+ }
+
+ *SizeOfInfo = sizeof( EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+
+ Status = LcdPlatformQueryMode (ModeNumber,*Info);
+ if (EFI_ERROR(Status)) {
+ FreePool(*Info);
+ }
+
+EXIT:
+ return Status;
+}
+
+/***************************************
+ * GraphicsOutput Protocol function, mapping to
+ * EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode
+ ***************************************/
+EFI_STATUS
+EFIAPI
+LcdGraphicsSetMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber
+ )
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL FillColour;
+ LCD_INSTANCE* Instance;
+
+ Instance = LCD_INSTANCE_FROM_GOP_THIS (This);
+
+ // Setup the hardware if not already done
+ if(!mDisplayInitialized) {
+ Status = InitializeDisplay (Instance);
+ if (EFI_ERROR(Status)) {
+ goto EXIT;
+ }
+ }
+
+ // Check if this mode is supported
+ if( ModeNumber >= This->Mode->MaxMode ) {
+ DEBUG((DEBUG_ERROR, "LcdGraphicsSetMode: ERROR - Unsupported mode number %d .\n", ModeNumber ));
+ Status = EFI_UNSUPPORTED;
+ goto EXIT;
+ }
+
+ // Set the oscillator frequency to support the new mode
+ Status = LcdPlatformSetMode (ModeNumber);
+ if (EFI_ERROR(Status)) {
+ Status = EFI_DEVICE_ERROR;
+ goto EXIT;
+ }
+
+ // Update the UEFI mode information
+ This->Mode->Mode = ModeNumber;
+ LcdPlatformQueryMode (ModeNumber,&Instance->ModeInfo);
+
+ // Set the hardware to the new mode
+ Status = LcdSetMode (ModeNumber);
+ if (EFI_ERROR(Status)) {
+ Status = EFI_DEVICE_ERROR;
+ goto EXIT;
+ }
+
+ // The UEFI spec requires that we now clear the visible portions of the output display to black.
+
+ // Set the fill colour to black
+ SetMem (&FillColour, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0x0);
+
+ // Fill the entire visible area with the same colour.
+ Status = This->Blt (
+ This,
+ &FillColour,
+ EfiBltVideoFill,
+ 0,
+ 0,
+ 0,
+ 0,
+ This->Mode->Info->HorizontalResolution,
+ This->Mode->Info->VerticalResolution,
+ 0);
+
+EXIT:
+ return Status;
+}
+
+UINTN
+GetBytesPerPixel (
+ IN LCD_BPP Bpp
+ )
+{
+ switch(Bpp) {
+ case LCD_BITS_PER_PIXEL_24:
+ return 4;
+
+ case LCD_BITS_PER_PIXEL_16_565:
+ case LCD_BITS_PER_PIXEL_16_555:
+ case LCD_BITS_PER_PIXEL_12_444:
+ return 2;
+
+ case LCD_BITS_PER_PIXEL_8:
+ case LCD_BITS_PER_PIXEL_4:
+ case LCD_BITS_PER_PIXEL_2:
+ case LCD_BITS_PER_PIXEL_1:
+ return 1;
+
+ default:
+ return 0;
+ }
+}
diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h
new file mode 100644
index 0000000000..8886bed7cb
--- /dev/null
+++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h
@@ -0,0 +1,124 @@
+/** @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 __ARM_VE_GRAPHICS_DXE_H__
+#define __ARM_VE_GRAPHICS_DXE_H__
+
+
+#include <Base.h>
+#include <Library/UefiLib.h>
+#include <Protocol/DevicePath.h>
+
+#include <Library/LcdPlatformLib.h>
+
+//
+// Device structures
+//
+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)
+
+//
+// Function Prototypes
+//
+
+VOID
+LcdGraphicsExitBootServicesEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+);
+
+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
+);
+
+UINTN
+GetBytesPerPixel (
+ IN LCD_BPP Bpp
+ );
+
+EFI_STATUS
+EFIAPI
+GraphicsOutputDxeInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+);
+
+EFI_STATUS
+InitializeDisplay (
+ IN LCD_INSTANCE* Instance
+);
+
+EFI_STATUS
+LcdIndentify (
+ VOID
+);
+
+EFI_STATUS
+LcdInitialize (
+ EFI_PHYSICAL_ADDRESS VramBaseAddress
+);
+
+EFI_STATUS
+LcdSetMode (
+ IN UINT32 ModeNumber
+);
+
+VOID
+LcdShutdown (
+ VOID
+);
+
+#endif /* __ARM_VE_GRAPHICS_DXE_H__ */
diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c
new file mode 100644
index 0000000000..c92dd3d7ed
--- /dev/null
+++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c
@@ -0,0 +1,140 @@
+/** @file PL111Lcd.c
+
+ 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 <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/LcdPlatformLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+
+#include <Drivers/PL111Lcd.h>
+
+#include "LcdGraphicsOutputDxe.h"
+
+/**********************************************************************
+ *
+ * This file contains all the bits of the PL111 that are
+ * platform independent.
+ *
+ **********************************************************************/
+
+EFI_STATUS
+PL111Indentify (
+ VOID
+ )
+{
+ // Check if this is a PrimeCell Peripheral
+ if ( ( MmioRead8( PL111_REG_CLCD_P_CELL_ID_0 ) != 0x0D )
+ || ( MmioRead8( PL111_REG_CLCD_P_CELL_ID_1 ) != 0xF0 )
+ || ( MmioRead8( PL111_REG_CLCD_P_CELL_ID_2 ) != 0x05 )
+ || ( MmioRead8( PL111_REG_CLCD_P_CELL_ID_3 ) != 0xB1 ) ) {
+ return EFI_NOT_FOUND;
+ }
+
+ // Check if this PrimeCell Peripheral is the PL111 LCD
+ if ( ( MmioRead8( PL111_REG_CLCD_PERIPH_ID_0 ) != 0x11 )
+ || ( MmioRead8( PL111_REG_CLCD_PERIPH_ID_1 ) != 0x11 )
+ || ( (MmioRead8( PL111_REG_CLCD_PERIPH_ID_2 ) & 0xF) != 0x04 )
+ || ( MmioRead8( PL111_REG_CLCD_PERIPH_ID_3 ) != 0x00 ) ) {
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+LcdInitialize (
+ IN EFI_PHYSICAL_ADDRESS VramBaseAddress
+ )
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ // Check if the PL111 is fitted on this motherboard
+ Status = PL111Indentify();
+ if (EFI_ERROR( Status )) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ // Define start of the VRAM. This never changes for any graphics mode
+ MmioWrite32(PL111_REG_LCD_UP_BASE, (UINT32) VramBaseAddress);
+ MmioWrite32(PL111_REG_LCD_LP_BASE, 0); // We are not using a double buffer
+
+ // Disable all interrupts from the PL111
+ MmioWrite32(PL111_REG_LCD_IMSC, 0);
+
+ 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 LcdControl;
+ 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;
+ }
+
+ // Disable the CLCD_LcdEn bit
+ LcdControl = MmioRead32( PL111_REG_LCD_CONTROL);
+ MmioWrite32(PL111_REG_LCD_CONTROL, LcdControl & ~1);
+
+ // Set Timings
+ MmioWrite32 (PL111_REG_LCD_TIMING_0, HOR_AXIS_PANEL(HBackPorch, HFrontPorch, HSync, HRes));
+ MmioWrite32 (PL111_REG_LCD_TIMING_1, VER_AXIS_PANEL(VBackPorch, VFrontPorch, VSync, VRes));
+ MmioWrite32 (PL111_REG_LCD_TIMING_2, CLK_SIG_POLARITY(HRes));
+ MmioWrite32 (PL111_REG_LCD_TIMING_3, 0);
+
+ // PL111_REG_LCD_CONTROL
+ LcdControl = PL111_CTRL_LCD_EN | PL111_CTRL_LCD_BPP(LcdBpp) | PL111_CTRL_LCD_TFT | PL111_CTRL_BGR;
+ MmioWrite32(PL111_REG_LCD_CONTROL, LcdControl);
+
+ // Turn on power to the LCD Panel
+ LcdControl |= PL111_CTRL_LCD_PWR;
+ MmioWrite32(PL111_REG_LCD_CONTROL, LcdControl);
+
+ return EFI_SUCCESS;
+}
+
+VOID
+LcdShutdown (
+ VOID
+ )
+{
+ // Nothing to do in terms of hardware.
+ // We could switch off the monitor display if required
+
+ //TODO: ImplementMe
+}
diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111LcdGraphicsOutputDxe.inf b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111LcdGraphicsOutputDxe.inf
new file mode 100644
index 0000000000..ae571d8d83
--- /dev/null
+++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111LcdGraphicsOutputDxe.inf
@@ -0,0 +1,60 @@
+#/** @file
+#
+# Component discription file for ArmVeGraphicsDxe module
+#
+# 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 = PL111LcdGraphicsDxe
+ FILE_GUID = 407B4008-BF5B-11DF-9547-CF16E0D72085
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = LcdGraphicsOutputDxeInitialize
+
+[Sources.common]
+ LcdGraphicsOutputDxe.c
+ LcdGraphicsOutputBlt.c
+ PL111Lcd.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
+
+[Guids]
+
+[Protocols]
+ gEfiDevicePathProtocolGuid
+ gEfiGraphicsOutputProtocolGuid
+
+[FixedPcd.common]
+
+[Pcd.common]
+
+
+[Depex]
+ gEfiCpuArchProtocolGuid
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 18:58:48 +0000