+++ /dev/null
-/** @file\r
-\r
-Copyright (c) 2006 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-Module Name:\r
-\r
- WinNtGopDriver.c\r
-\r
-Abstract:\r
-\r
- This file implements the UEFI Device Driver model requirements for GOP\r
-\r
- GOP is short hand for Graphics Output Protocol.\r
-\r
-\r
-**/\r
-\r
-//\r
-// The package level header files this module uses\r
-//\r
-#include <Uefi.h>\r
-#include <WinNtDxe.h>\r
-//\r
-// The protocols, PPI and GUID defintions for this module\r
-//\r
-#include <Guid/EventGroup.h>\r
-#include <Protocol/WinNtIo.h>\r
-#include <Protocol/ComponentName.h>\r
-#include <Protocol/SimpleTextIn.h>\r
-#include <Protocol/DriverBinding.h>\r
-#include <Protocol/GraphicsOutput.h>\r
-//\r
-// The Library classes this module consumes\r
-//\r
-#include <Library/DebugLib.h>\r
-#include <Library/BaseLib.h>\r
-#include <Library/UefiDriverEntryPoint.h>\r
-#include <Library/UefiLib.h>\r
-#include <Library/BaseMemoryLib.h>\r
-#include <Library/UefiBootServicesTableLib.h>\r
-#include <Library/MemoryAllocationLib.h>\r
-\r
-#include "WinNtGop.h"\r
-\r
-EFI_DRIVER_BINDING_PROTOCOL gWinNtGopDriverBinding = {\r
- WinNtGopDriverBindingSupported,\r
- WinNtGopDriverBindingStart,\r
- WinNtGopDriverBindingStop,\r
- 0xa,\r
- NULL,\r
- NULL\r
-};\r
-\r
-/**\r
- The user Entry Point for module WinNtGop. The user code starts with this function.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
- @param[in] SystemTable A pointer to the EFI System Table.\r
- \r
- @retval EFI_SUCCESS The entry point is executed successfully.\r
- @retval other Some error occurs when executing this entry point.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-InitializeWinNtGop(\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- //\r
- // Install driver model protocol(s).\r
- //\r
- Status = EfiLibInstallDriverBindingComponentName2 (\r
- ImageHandle,\r
- SystemTable,\r
- &gWinNtGopDriverBinding,\r
- ImageHandle,\r
- &gWinNtGopComponentName,\r
- &gWinNtGopComponentName2\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
-\r
-\r
- @return None\r
-\r
-**/\r
-// TODO: This - add argument and description to function comment\r
-// TODO: Handle - add argument and description to function comment\r
-// TODO: RemainingDevicePath - add argument and description to function comment\r
-EFI_STATUS\r
-EFIAPI\r
-WinNtGopDriverBindingSupported (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Handle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_WIN_NT_IO_PROTOCOL *WinNtIo;\r
-\r
- //\r
- // Open the IO Abstraction(s) needed to perform the supported test\r
- //\r
- Status = gBS->OpenProtocol (\r
- Handle,\r
- &gEfiWinNtIoProtocolGuid,\r
- &WinNtIo,\r
- This->DriverBindingHandle,\r
- Handle,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- Status = WinNtGopSupported (WinNtIo);\r
-\r
- //\r
- // Close the I/O Abstraction(s) used to perform the supported test\r
- //\r
- gBS->CloseProtocol (\r
- Handle,\r
- &gEfiWinNtIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- Handle\r
- );\r
-\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
-\r
-\r
- @return None\r
-\r
-**/\r
-// TODO: This - add argument and description to function comment\r
-// TODO: Handle - add argument and description to function comment\r
-// TODO: RemainingDevicePath - add argument and description to function comment\r
-// TODO: EFI_UNSUPPORTED - add return value to function comment\r
-EFI_STATUS\r
-EFIAPI\r
-WinNtGopDriverBindingStart (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Handle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- )\r
-{\r
- EFI_WIN_NT_IO_PROTOCOL *WinNtIo;\r
- EFI_STATUS Status;\r
- GOP_PRIVATE_DATA *Private;\r
-\r
- //\r
- // Grab the protocols we need\r
- //\r
- Status = gBS->OpenProtocol (\r
- Handle,\r
- &gEfiWinNtIoProtocolGuid,\r
- &WinNtIo,\r
- This->DriverBindingHandle,\r
- Handle,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- //\r
- // Allocate Private context data for SGO inteface.\r
- //\r
- Private = NULL;\r
- Private = AllocatePool (sizeof (GOP_PRIVATE_DATA));\r
- if (Private == NULL) {\r
- goto Done;\r
- }\r
- //\r
- // Set up context record\r
- //\r
- Private->Signature = GOP_PRIVATE_DATA_SIGNATURE;\r
- Private->Handle = Handle;\r
- Private->WinNtThunk = WinNtIo->WinNtThunk;\r
-\r
- Private->ControllerNameTable = NULL;\r
-\r
- AddUnicodeString2 (\r
- "eng",\r
- gWinNtGopComponentName.SupportedLanguages,\r
- &Private->ControllerNameTable,\r
- WinNtIo->EnvString,\r
- TRUE\r
- );\r
- AddUnicodeString2 (\r
- "en",\r
- gWinNtGopComponentName2.SupportedLanguages,\r
- &Private->ControllerNameTable,\r
- WinNtIo->EnvString,\r
- FALSE\r
- );\r
-\r
-\r
- Private->WindowName = WinNtIo->EnvString;\r
-\r
- Status = WinNtGopConstructor (Private);\r
- if (EFI_ERROR (Status)) {\r
- goto Done;\r
- }\r
- //\r
- // Publish the Gop interface to the world\r
- //\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &Private->Handle,\r
- &gEfiGraphicsOutputProtocolGuid,\r
- &Private->GraphicsOutput,\r
- &gEfiSimpleTextInProtocolGuid,\r
- &Private->SimpleTextIn,\r
- NULL\r
- );\r
-\r
-Done:\r
- if (EFI_ERROR (Status)) {\r
-\r
- gBS->CloseProtocol (\r
- Handle,\r
- &gEfiWinNtIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- Handle\r
- );\r
-\r
- if (Private != NULL) {\r
- //\r
- // On Error Free back private data\r
- //\r
- if (Private->ControllerNameTable != NULL) {\r
- FreeUnicodeStringTable (Private->ControllerNameTable);\r
- }\r
-\r
- FreePool (Private);\r
- }\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
-\r
-\r
- @return None\r
-\r
-**/\r
-// TODO: This - add argument and description to function comment\r
-// TODO: Handle - add argument and description to function comment\r
-// TODO: NumberOfChildren - add argument and description to function comment\r
-// TODO: ChildHandleBuffer - add argument and description to function comment\r
-// TODO: EFI_NOT_STARTED - add return value to function comment\r
-// TODO: EFI_DEVICE_ERROR - add return value to function comment\r
-EFI_STATUS\r
-EFIAPI\r
-WinNtGopDriverBindingStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Handle,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE *ChildHandleBuffer\r
- )\r
-{\r
- EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
- EFI_STATUS Status;\r
- GOP_PRIVATE_DATA *Private;\r
-\r
- Status = gBS->OpenProtocol (\r
- Handle,\r
- &gEfiGraphicsOutputProtocolGuid,\r
- &GraphicsOutput,\r
- This->DriverBindingHandle,\r
- Handle,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // If the GOP interface does not exist the driver is not started\r
- //\r
- return EFI_NOT_STARTED;\r
- }\r
-\r
- //\r
- // Get our private context information\r
- //\r
- Private = GOP_PRIVATE_DATA_FROM_THIS (GraphicsOutput);\r
-\r
- //\r
- // Remove the SGO interface from the system\r
- //\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- Private->Handle,\r
- &gEfiGraphicsOutputProtocolGuid,\r
- &Private->GraphicsOutput,\r
- &gEfiSimpleTextInProtocolGuid,\r
- &Private->SimpleTextIn,\r
- NULL\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Shutdown the hardware\r
- //\r
- Status = WinNtGopDestructor (Private);\r
- if (EFI_ERROR (Status)) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- gBS->CloseProtocol (\r
- Handle,\r
- &gEfiWinNtIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- Handle\r
- );\r
-\r
- //\r
- // Free our instance data\r
- //\r
- FreeUnicodeStringTable (Private->ControllerNameTable);\r
-\r
- FreePool (Private);\r
-\r
- }\r
-\r
- return Status;\r
-}\r
-\r
projects / mirror_edk2.git / blobdiff