+++ /dev/null
-/** @file\r
-\r
- Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>\r
- SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include "LcdGraphicsOutputDxe.h"\r
-\r
-BOOLEAN mDisplayInitialized = FALSE;\r
-\r
-LCD_MODE LcdModes[] = {\r
- {\r
- 0, 640, 480,\r
- 9, 4,\r
- 96, 16, 48,\r
- 2, 10, 33\r
- },\r
- {\r
- 1, 800, 600,\r
- 11, 2,\r
- 120, 56, 64,\r
- 5, 37, 22\r
- },\r
- {\r
- 2, 1024, 768,\r
- 6, 2,\r
- 96, 16, 48,\r
- 2, 10, 33\r
- },\r
-};\r
-\r
-LCD_INSTANCE mLcdTemplate = {\r
- LCD_INSTANCE_SIGNATURE,\r
- NULL, // Handle\r
- { // ModeInfo\r
- 0, // Version\r
- 0, // HorizontalResolution\r
- 0, // VerticalResolution\r
- PixelBltOnly, // PixelFormat\r
- {\r
- 0xF800, //RedMask;\r
- 0x7E0, //GreenMask;\r
- 0x1F, //BlueMask;\r
- 0x0//ReservedMask\r
- }, // PixelInformation\r
- 0, // PixelsPerScanLine\r
- },\r
- { // Mode\r
- 3, // MaxMode;\r
- 0, // Mode;\r
- NULL, // Info;\r
- 0, // SizeOfInfo;\r
- 0, // FrameBufferBase;\r
- 0 // FrameBufferSize;\r
- },\r
- { // Gop\r
- LcdGraphicsQueryMode, // QueryMode\r
- LcdGraphicsSetMode, // SetMode\r
- LcdGraphicsBlt, // Blt\r
- NULL // *Mode\r
- },\r
- { // DevicePath\r
- {\r
- {\r
- HARDWARE_DEVICE_PATH, HW_VENDOR_DP,\r
- { (UINT8) (sizeof(VENDOR_DEVICE_PATH)), (UINT8) ((sizeof(VENDOR_DEVICE_PATH)) >> 8) },\r
- },\r
- // Hardware Device Path for Lcd\r
- EFI_CALLER_ID_GUID // Use the driver's GUID\r
- },\r
- {\r
- END_DEVICE_PATH_TYPE,\r
- END_ENTIRE_DEVICE_PATH_SUBTYPE,\r
- { sizeof(EFI_DEVICE_PATH_PROTOCOL), 0}\r
- }\r
- }\r
-};\r
-\r
-EFI_STATUS\r
-LcdInstanceContructor (\r
- OUT LCD_INSTANCE** NewInstance\r
- )\r
-{\r
- LCD_INSTANCE* Instance;\r
-\r
- Instance = AllocateCopyPool (sizeof(LCD_INSTANCE), &mLcdTemplate);\r
- if (Instance == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Instance->Gop.Mode = &Instance->Mode;\r
- Instance->Mode.Info = &Instance->ModeInfo;\r
-\r
- *NewInstance = Instance;\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-LcdPlatformGetVram (\r
- OUT EFI_PHYSICAL_ADDRESS* VramBaseAddress,\r
- OUT UINTN* VramSize\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_CPU_ARCH_PROTOCOL *Cpu;\r
- UINTN MaxSize;\r
-\r
- MaxSize = 0x500000;\r
- *VramSize = MaxSize;\r
-\r
- // Allocate VRAM from DRAM\r
- Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesData, EFI_SIZE_TO_PAGES((MaxSize)), VramBaseAddress);\r
- if (EFI_ERROR(Status)) {\r
- return Status;\r
- }\r
-\r
- // Ensure the Cpu architectural protocol is already installed\r
- Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&Cpu);\r
- ASSERT_EFI_ERROR(Status);\r
-\r
- // Mark the VRAM as un-cacheable. The VRAM is inside the DRAM, which is cacheable.\r
- Status = Cpu->SetMemoryAttributes (Cpu, *VramBaseAddress, *VramSize, EFI_MEMORY_UC);\r
- if (EFI_ERROR(Status)) {\r
- gBS->FreePool (VramBaseAddress);\r
- return Status;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-DssSetMode (\r
- UINT32 VramBaseAddress,\r
- UINTN ModeNumber\r
- )\r
-{\r
- // Make sure the interface clock is running\r
- MmioWrite32 (CM_ICLKEN_DSS, EN_DSS);\r
-\r
- // Stop the functional clocks\r
- MmioAnd32 (CM_FCLKEN_DSS, ~(EN_DSS1 | EN_DSS2 | EN_TV));\r
-\r
- // Program the DSS clock divisor\r
- MmioWrite32 (CM_CLKSEL_DSS, 0x1000 | (LcdModes[ModeNumber].DssDivisor));\r
-\r
- // Start the functional clocks\r
- MmioOr32 (CM_FCLKEN_DSS, (EN_DSS1 | EN_DSS2 | EN_TV));\r
-\r
- // Wait for DSS to stabilize\r
- gBS->Stall(1);\r
-\r
- // Reset the subsystem\r
- MmioWrite32(DSS_SYSCONFIG, DSS_SOFTRESET);\r
- while (!(MmioRead32 (DSS_SYSSTATUS) & DSS_RESETDONE));\r
-\r
- // Configure LCD parameters\r
- MmioWrite32 (DISPC_SIZE_LCD,\r
- ((LcdModes[ModeNumber].HorizontalResolution - 1)\r
- | ((LcdModes[ModeNumber].VerticalResolution - 1) << 16))\r
- );\r
- MmioWrite32 (DISPC_TIMING_H,\r
- ( (LcdModes[ModeNumber].HSync - 1)\r
- | ((LcdModes[ModeNumber].HFrontPorch - 1) << 8)\r
- | ((LcdModes[ModeNumber].HBackPorch - 1) << 20))\r
- );\r
- MmioWrite32 (DISPC_TIMING_V,\r
- ( (LcdModes[ModeNumber].VSync - 1)\r
- | ((LcdModes[ModeNumber].VFrontPorch - 1) << 8)\r
- | ((LcdModes[ModeNumber].VBackPorch - 1) << 20))\r
- );\r
-\r
- // Set the framebuffer to only load frames (no gamma tables)\r
- MmioAnd32 (DISPC_CONFIG, CLEARLOADMODE);\r
- MmioOr32 (DISPC_CONFIG, LOAD_FRAME_ONLY);\r
-\r
- // Divisor for the pixel clock\r
- MmioWrite32(DISPC_DIVISOR, ((1 << 16) | LcdModes[ModeNumber].DispcDivisor) );\r
-\r
- // Set up the graphics layer\r
- MmioWrite32 (DISPC_GFX_PRELD, 0x2D8);\r
- MmioWrite32 (DISPC_GFX_BA0, VramBaseAddress);\r
- MmioWrite32 (DISPC_GFX_SIZE,\r
- ((LcdModes[ModeNumber].HorizontalResolution - 1)\r
- | ((LcdModes[ModeNumber].VerticalResolution - 1) << 16))\r
- );\r
-\r
- MmioWrite32(DISPC_GFX_ATTR, (GFXENABLE | RGB16 | BURSTSIZE16));\r
-\r
- // Start it all\r
- MmioOr32 (DISPC_CONTROL, (LCDENABLE | ACTIVEMATRIX | DATALINES24 | BYPASS_MODE | LCDENABLESIGNAL));\r
- MmioOr32 (DISPC_CONTROL, GOLCD);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-HwInitializeDisplay (\r
- UINTN VramBaseAddress,\r
- UINTN VramSize\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINT8 Data;\r
- EFI_TPL OldTpl;\r
- EMBEDDED_EXTERNAL_DEVICE *gTPS65950;\r
-\r
- // Enable power lines used by TFP410\r
- Status = gBS->LocateProtocol (&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- OldTpl = gBS->RaiseTPL(TPL_NOTIFY);\r
- Data = VAUX_DEV_GRP_P1;\r
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VPLL2_DEV_GRP), 1, &Data);\r
- ASSERT_EFI_ERROR(Status);\r
-\r
- Data = VAUX_DEDICATED_18V;\r
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VPLL2_DEDICATED), 1, &Data);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- // Power up TFP410 (set GPIO2 on TPS - for BeagleBoard-xM)\r
- Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID2, GPIODATADIR1), 1, &Data);\r
- ASSERT_EFI_ERROR (Status);\r
- Data |= BIT2;\r
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID2, GPIODATADIR1), 1, &Data);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Data = BIT2;\r
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID2, SETGPIODATAOUT1), 1, &Data);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- gBS->RestoreTPL(OldTpl);\r
-\r
- // Power up TFP410 (set GPIO 170 - for older BeagleBoards)\r
- MmioAnd32 (GPIO6_BASE + GPIO_OE, ~BIT10);\r
- MmioOr32 (GPIO6_BASE + GPIO_SETDATAOUT, BIT10);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-InitializeDisplay (\r
- IN LCD_INSTANCE* Instance\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINTN VramSize;\r
- EFI_PHYSICAL_ADDRESS VramBaseAddress;\r
-\r
- Status = LcdPlatformGetVram (&VramBaseAddress, &VramSize);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- Instance->Mode.FrameBufferBase = VramBaseAddress;\r
- Instance->Mode.FrameBufferSize = VramSize;\r
-\r
- Status = HwInitializeDisplay((UINTN)VramBaseAddress, VramSize);\r
- if (!EFI_ERROR (Status)) {\r
- mDisplayInitialized = TRUE;\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-LcdGraphicsQueryMode (\r
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r
- IN UINT32 ModeNumber,\r
- OUT UINTN *SizeOfInfo,\r
- OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info\r
- )\r
-{\r
- LCD_INSTANCE *Instance;\r
-\r
- Instance = LCD_INSTANCE_FROM_GOP_THIS(This);\r
-\r
- if (!mDisplayInitialized) {\r
- InitializeDisplay (Instance);\r
- }\r
-\r
- // Error checking\r
- if ( (This == NULL) || (Info == NULL) || (SizeOfInfo == NULL) || (ModeNumber >= This->Mode->MaxMode) ) {\r
- DEBUG((DEBUG_ERROR, "LcdGraphicsQueryMode: ERROR - For mode number %d : Invalid Parameter.\n", ModeNumber ));\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- *Info = AllocateCopyPool(sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION), &Instance->ModeInfo);\r
- if (*Info == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r
-\r
- (*Info)->Version = 0;\r
- (*Info)->HorizontalResolution = LcdModes[ModeNumber].HorizontalResolution;\r
- (*Info)->VerticalResolution = LcdModes[ModeNumber].VerticalResolution;\r
- (*Info)->PixelFormat = PixelBltOnly;\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-LcdGraphicsSetMode (\r
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r
- IN UINT32 ModeNumber\r
- )\r
-{\r
- LCD_INSTANCE *Instance;\r
-\r
- Instance = LCD_INSTANCE_FROM_GOP_THIS(This);\r
-\r
- if (ModeNumber >= Instance->Mode.MaxMode) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- if (!mDisplayInitialized) {\r
- InitializeDisplay (Instance);\r
- }\r
-\r
- DssSetMode((UINT32)Instance->Mode.FrameBufferBase, ModeNumber);\r
-\r
- Instance->Mode.Mode = ModeNumber;\r
- Instance->ModeInfo.HorizontalResolution = LcdModes[ModeNumber].HorizontalResolution;\r
- Instance->ModeInfo.VerticalResolution = LcdModes[ModeNumber].VerticalResolution;\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-LcdGraphicsOutputDxeInitialize (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status = EFI_SUCCESS;\r
- LCD_INSTANCE* Instance;\r
-\r
- Status = LcdInstanceContructor (&Instance);\r
- if (EFI_ERROR(Status)) {\r
- goto EXIT;\r
- }\r
-\r
- // Install the Graphics Output Protocol and the Device Path\r
- Status = gBS->InstallMultipleProtocolInterfaces(\r
- &Instance->Handle,\r
- &gEfiGraphicsOutputProtocolGuid, &Instance->Gop,\r
- &gEfiDevicePathProtocolGuid, &Instance->DevicePath,\r
- NULL\r
- );\r
-\r
- if (EFI_ERROR(Status)) {\r
- DEBUG((DEBUG_ERROR, "GraphicsOutputDxeInitialize: Can not install the protocol. Exit Status=%r\n", Status));\r
- goto EXIT;\r
- }\r
-\r
- // Register for an ExitBootServicesEvent\r
- // When ExitBootServices starts, this function here will make sure that the graphics driver will shut down properly,\r
- // i.e. it will free up all allocated memory and perform any necessary hardware re-configuration.\r
- /*Status = gBS->CreateEvent (\r
- EVT_SIGNAL_EXIT_BOOT_SERVICES,\r
- TPL_NOTIFY,\r
- LcdGraphicsExitBootServicesEvent, NULL,\r
- &Instance->ExitBootServicesEvent\r
- );\r
-\r
- if (EFI_ERROR(Status)) {\r
- DEBUG((DEBUG_ERROR, "GraphicsOutputDxeInitialize: Can not install the ExitBootServicesEvent handler. Exit Status=%r\n", Status));\r
- goto EXIT_ERROR_UNINSTALL_PROTOCOL;\r
- }*/\r
-\r
- // To get here, everything must be fine, so just exit\r
- goto EXIT;\r
-\r
-//EXIT_ERROR_UNINSTALL_PROTOCOL:\r
- /* The following function could return an error message,\r
- * however, to get here something must have gone wrong already,\r
- * so preserve the original error, i.e. don't change\r
- * the Status variable, even it fails to uninstall the protocol.\r
- */\r
- /* gBS->UninstallMultipleProtocolInterfaces (\r
- Instance->Handle,\r
- &gEfiGraphicsOutputProtocolGuid, &Instance->Gop, // Uninstall Graphics Output protocol\r
- &gEfiDevicePathProtocolGuid, &Instance->DevicePath, // Uninstall device path\r
- NULL\r
- );*/\r
-\r
-EXIT:\r
- return Status;\r
-\r
-}\r
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