ARM Packages: Fixed line endings

This large code change only modifies the line endings to be CRLF to be
compliant with the EDK2 coding convention document.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14088 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 403 insertions, 403 deletions

diff --git a/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c
index 6c20575cfe..e30a679d84 100644
--- a/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c
+++ b/Omap35xxPkg/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c
@@ -1,403 +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;
-
-}
+/** @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;

+

+}