EFI_STATUS Status = EFI_SUCCESS;\r
LCD_INSTANCE* Instance;\r
\r
+ Status = LcdIdentify ();\r
+ if (EFI_ERROR(Status)) {\r
+ goto EXIT;\r
+ }\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
+ // 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
+ /* 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
+ return Status;\r
\r
}\r
\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
+ IN UINT32 ModeNumber,\r
+ OUT UINTN *SizeOfInfo,\r
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info\r
+ )\r
{\r
- EFI_STATUS Status = EFI_SUCCESS;\r
- LCD_INSTANCE *Instance;\r
+ EFI_STATUS Status = EFI_SUCCESS;\r
+ LCD_INSTANCE *Instance;\r
\r
- Instance = LCD_INSTANCE_FROM_GOP_THIS(This);\r
+ Instance = LCD_INSTANCE_FROM_GOP_THIS(This);\r
\r
// Setup the hardware if not already done\r
if( !mDisplayInitialized ) {\r
}\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
- Status = EFI_INVALID_PARAMETER;\r
- goto EXIT;\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
+ Status = EFI_INVALID_PARAMETER;\r
+ goto EXIT;\r
+ }\r
\r
- *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r
+ *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r
if (*Info == NULL) {\r
Status = EFI_OUT_OF_RESOURCES;\r
goto EXIT;\r
}\r
\r
EXIT:\r
- return Status;\r
+ return Status;\r
}\r
\r
/***************************************\r
EFIAPI\r
LcdGraphicsSetMode (\r
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r
- IN UINT32 ModeNumber\r
- )\r
+ IN UINT32 ModeNumber\r
+ )\r
{\r
- EFI_STATUS Status = EFI_SUCCESS;\r
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL FillColour;\r
- LCD_INSTANCE* Instance;\r
- LCD_BPP Bpp;\r
+ EFI_STATUS Status = EFI_SUCCESS;\r
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL FillColour;\r
+ LCD_INSTANCE* Instance;\r
+ LCD_BPP Bpp;\r
\r
- Instance = LCD_INSTANCE_FROM_GOP_THIS (This);\r
+ Instance = LCD_INSTANCE_FROM_GOP_THIS (This);\r
\r
// Setup the hardware if not already done\r
if(!mDisplayInitialized) {\r
goto EXIT;\r
}\r
\r
- // Set the oscillator frequency to support the new mode\r
+ // Set the oscillator frequency to support the new mode\r
Status = LcdPlatformSetMode (ModeNumber);\r
if (EFI_ERROR(Status)) {\r
Status = EFI_DEVICE_ERROR;\r
goto EXIT;\r
}\r
\r
- // Update the UEFI mode information\r
- This->Mode->Mode = ModeNumber;\r
- LcdPlatformQueryMode (ModeNumber,&Instance->ModeInfo);\r
- Status = LcdPlatformGetBpp(ModeNumber, &Bpp);\r
- if (EFI_ERROR(Status)) {\r
- DEBUG ((DEBUG_ERROR, "LcdGraphicsSetMode: ERROR - Couldn't get bytes per pixel, status: %r\n", Status));\r
- goto EXIT;\r
- }\r
- This->Mode->FrameBufferSize = Instance->ModeInfo.VerticalResolution\r
- * Instance->ModeInfo.PixelsPerScanLine\r
- * GetBytesPerPixel(Bpp);\r
+ // Update the UEFI mode information\r
+ This->Mode->Mode = ModeNumber;\r
+ LcdPlatformQueryMode (ModeNumber,&Instance->ModeInfo);\r
+ Status = LcdPlatformGetBpp(ModeNumber, &Bpp);\r
+ if (EFI_ERROR(Status)) {\r
+ DEBUG ((DEBUG_ERROR, "LcdGraphicsSetMode: ERROR - Couldn't get bytes per pixel, status: %r\n", Status));\r
+ goto EXIT;\r
+ }\r
+ This->Mode->FrameBufferSize = Instance->ModeInfo.VerticalResolution\r
+ * Instance->ModeInfo.PixelsPerScanLine\r
+ * GetBytesPerPixel(Bpp);\r
\r
// Set the hardware to the new mode\r
- Status = LcdSetMode (ModeNumber);\r
+ Status = LcdSetMode (ModeNumber);\r
if (EFI_ERROR(Status)) {\r
Status = EFI_DEVICE_ERROR;\r
goto EXIT;\r
}\r
\r
- // The UEFI spec requires that we now clear the visible portions of the output display to black.\r
+ // The UEFI spec requires that we now clear the visible portions of the output display to black.\r
\r
// Set the fill colour to black\r
SetMem (&FillColour, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0x0);\r
0);\r
\r
EXIT:\r
- return Status;\r
+ return Status;\r
}\r
\r
UINTN\r
projects / mirror_edk2.git / blobdiff