--- /dev/null
+/** @file\r
+\r
+ PS/2 Keyboard driver. Routines that interacts with callers,\r
+ conforming to EFI driver model\r
+\r
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
+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
+**/\r
+\r
+#include "Ps2Keyboard.h"\r
+\r
+//\r
+// Function prototypes\r
+//\r
+/**\r
+ Test controller is a keyboard Controller.\r
+\r
+ @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r
+ @param Controller driver's controller\r
+ @param RemainingDevicePath children device path\r
+\r
+ @retval EFI_UNSUPPORTED controller is not floppy disk\r
+ @retval EFI_SUCCESS controller is floppy disk\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+KbdControllerDriverSupported (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ );\r
+\r
+/**\r
+ Create KEYBOARD_CONSOLE_IN_DEV instance on controller.\r
+\r
+ @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r
+ @param Controller driver controller handle\r
+ @param RemainingDevicePath Children's device path\r
+\r
+ @retval whether success to create floppy control instance.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+KbdControllerDriverStart (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ );\r
+\r
+/**\r
+ Stop this driver on ControllerHandle. Support stoping any child handles\r
+ created by this driver.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to stop driver on\r
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
+ children is zero stop the entire bus driver.\r
+ @param ChildHandleBuffer List of Child Handles to Stop.\r
+\r
+ @retval EFI_SUCCESS This driver is removed ControllerHandle\r
+ @retval other This driver was not removed from this device\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+KbdControllerDriverStop (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
+ );\r
+\r
+/**\r
+ Free the waiting key notify list.\r
+\r
+ @param ListHead Pointer to list head\r
+\r
+ @retval EFI_INVALID_PARAMETER ListHead is NULL\r
+ @retval EFI_SUCCESS Sucess to free NotifyList\r
+**/\r
+EFI_STATUS\r
+KbdFreeNotifyList (\r
+ IN OUT LIST_ENTRY *ListHead\r
+ );\r
+\r
+//\r
+// DriverBinding Protocol Instance\r
+//\r
+EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver = {\r
+ KbdControllerDriverSupported,\r
+ KbdControllerDriverStart,\r
+ KbdControllerDriverStop,\r
+ 0xa,\r
+ NULL,\r
+ NULL\r
+};\r
+\r
+/**\r
+ Test controller is a keyboard Controller.\r
+\r
+ @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r
+ @param Controller driver's controller\r
+ @param RemainingDevicePath children device path\r
+\r
+ @retval EFI_UNSUPPORTED controller is not floppy disk\r
+ @retval EFI_SUCCESS controller is floppy disk\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+KbdControllerDriverSupported (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_SIO_PROTOCOL *Sio;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ ACPI_HID_DEVICE_PATH *Acpi;\r
+\r
+ //\r
+ // Check whether the controller is keyboard.\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiDevicePathProtocolGuid,\r
+ (VOID **) &DevicePath,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ do {\r
+ Acpi = (ACPI_HID_DEVICE_PATH *) DevicePath;\r
+ DevicePath = NextDevicePathNode (DevicePath);\r
+ } while (!IsDevicePathEnd (DevicePath));\r
+\r
+ if (DevicePathType (Acpi) != ACPI_DEVICE_PATH ||\r
+ (DevicePathSubType (Acpi) != ACPI_DP && DevicePathSubType (Acpi) != ACPI_EXTENDED_DP)) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ if (Acpi->HID != EISA_PNP_ID (0x303) || Acpi->UID != 0) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ //\r
+ // Open the IO Abstraction(s) needed to perform the supported test\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiSioProtocolGuid,\r
+ (VOID **) &Sio,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_BY_DRIVER\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Close the I/O Abstraction(s) used to perform the supported test\r
+ //\r
+ gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiSioProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Create KEYBOARD_CONSOLE_IN_DEV instance on controller.\r
+\r
+ @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r
+ @param Controller driver controller handle\r
+ @param RemainingDevicePath Children's device path\r
+\r
+ @retval whether success to create floppy control instance.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+KbdControllerDriverStart (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_STATUS Status1;\r
+ EFI_SIO_PROTOCOL *Sio;\r
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r
+ UINT8 Data;\r
+ EFI_STATUS_CODE_VALUE StatusCode;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+\r
+ StatusCode = 0;\r
+\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiDevicePathProtocolGuid,\r
+ (VOID **) &DevicePath,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Report that the keyboard is being enabled\r
+ //\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_ENABLE,\r
+ DevicePath\r
+ );\r
+\r
+ //\r
+ // Get the ISA I/O Protocol on Controller's handle\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiSioProtocolGuid,\r
+ (VOID **) &Sio,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_BY_DRIVER\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Allocate private data\r
+ //\r
+ ConsoleIn = AllocateZeroPool (sizeof (KEYBOARD_CONSOLE_IN_DEV));\r
+ if (ConsoleIn == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r
+ goto ErrorExit;\r
+ }\r
+ //\r
+ // Setup the device instance\r
+ //\r
+ ConsoleIn->Signature = KEYBOARD_CONSOLE_IN_DEV_SIGNATURE;\r
+ ConsoleIn->Handle = Controller;\r
+ (ConsoleIn->ConIn).Reset = KeyboardEfiReset;\r
+ (ConsoleIn->ConIn).ReadKeyStroke = KeyboardReadKeyStroke;\r
+ ConsoleIn->DataRegisterAddress = KEYBOARD_8042_DATA_REGISTER;\r
+ ConsoleIn->StatusRegisterAddress = KEYBOARD_8042_STATUS_REGISTER;\r
+ ConsoleIn->CommandRegisterAddress = KEYBOARD_8042_COMMAND_REGISTER;\r
+ ConsoleIn->DevicePath = DevicePath;\r
+\r
+ ConsoleIn->ConInEx.Reset = KeyboardEfiResetEx;\r
+ ConsoleIn->ConInEx.ReadKeyStrokeEx = KeyboardReadKeyStrokeEx;\r
+ ConsoleIn->ConInEx.SetState = KeyboardSetState;\r
+ ConsoleIn->ConInEx.RegisterKeyNotify = KeyboardRegisterKeyNotify;\r
+ ConsoleIn->ConInEx.UnregisterKeyNotify = KeyboardUnregisterKeyNotify;\r
+\r
+ InitializeListHead (&ConsoleIn->NotifyList);\r
+\r
+ //\r
+ // Fix for random hangs in System waiting for the Key if no KBC is present in BIOS.\r
+ // When KBC decode (IO port 0x60/0x64 decode) is not enabled,\r
+ // KeyboardRead will read back as 0xFF and return status is EFI_SUCCESS.\r
+ // So instead we read status register to detect after read if KBC decode is enabled.\r
+ //\r
+\r
+ //\r
+ // Return code is ignored on purpose.\r
+ //\r
+ if (!PcdGetBool (PcdFastPS2Detection)) {\r
+ KeyboardRead (ConsoleIn, &Data);\r
+ if ((KeyReadStatusRegister (ConsoleIn) & (KBC_PARE | KBC_TIM)) == (KBC_PARE | KBC_TIM)) {\r
+ //\r
+ // If nobody decodes KBC I/O port, it will read back as 0xFF.\r
+ // Check the Time-Out and Parity bit to see if it has an active KBC in system\r
+ //\r
+ Status = EFI_DEVICE_ERROR;\r
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;\r
+ goto ErrorExit;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Setup the WaitForKey event\r
+ //\r
+ Status = gBS->CreateEvent (\r
+ EVT_NOTIFY_WAIT,\r
+ TPL_NOTIFY,\r
+ KeyboardWaitForKey,\r
+ ConsoleIn,\r
+ &((ConsoleIn->ConIn).WaitForKey)\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r
+ goto ErrorExit;\r
+ }\r
+ //\r
+ // Setup the WaitForKeyEx event\r
+ //\r
+ Status = gBS->CreateEvent (\r
+ EVT_NOTIFY_WAIT,\r
+ TPL_NOTIFY,\r
+ KeyboardWaitForKeyEx,\r
+ ConsoleIn,\r
+ &(ConsoleIn->ConInEx.WaitForKeyEx)\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r
+ goto ErrorExit;\r
+ }\r
+ // Setup a periodic timer, used for reading keystrokes at a fixed interval\r
+ //\r
+ Status = gBS->CreateEvent (\r
+ EVT_TIMER | EVT_NOTIFY_SIGNAL,\r
+ TPL_NOTIFY,\r
+ KeyboardTimerHandler,\r
+ ConsoleIn,\r
+ &ConsoleIn->TimerEvent\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ Status = gBS->SetTimer (\r
+ ConsoleIn->TimerEvent,\r
+ TimerPeriodic,\r
+ KEYBOARD_TIMER_INTERVAL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_PRESENCE_DETECT,\r
+ DevicePath\r
+ );\r
+\r
+ //\r
+ // Reset the keyboard device\r
+ //\r
+ Status = ConsoleIn->ConInEx.Reset (&ConsoleIn->ConInEx, FeaturePcdGet (PcdPs2KbdExtendedVerification));\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DETECTED,\r
+ DevicePath\r
+ );\r
+\r
+ ConsoleIn->ControllerNameTable = NULL;\r
+ AddUnicodeString2 (\r
+ "eng",\r
+ gPs2KeyboardComponentName.SupportedLanguages,\r
+ &ConsoleIn->ControllerNameTable,\r
+ L"PS/2 Keyboard Device",\r
+ TRUE\r
+ );\r
+ AddUnicodeString2 (\r
+ "en",\r
+ gPs2KeyboardComponentName2.SupportedLanguages,\r
+ &ConsoleIn->ControllerNameTable,\r
+ L"PS/2 Keyboard Device",\r
+ FALSE\r
+ );\r
+\r
+\r
+ //\r
+ // Install protocol interfaces for the keyboard device.\r
+ //\r
+ Status = gBS->InstallMultipleProtocolInterfaces (\r
+ &Controller,\r
+ &gEfiSimpleTextInProtocolGuid,\r
+ &ConsoleIn->ConIn,\r
+ &gEfiSimpleTextInputExProtocolGuid,\r
+ &ConsoleIn->ConInEx,\r
+ NULL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ return Status;\r
+\r
+ErrorExit:\r
+ //\r
+ // Report error code\r
+ //\r
+ if (StatusCode != 0) {\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
+ StatusCode,\r
+ DevicePath\r
+ );\r
+ }\r
+\r
+ if ((ConsoleIn != NULL) && (ConsoleIn->ConIn.WaitForKey != NULL)) {\r
+ gBS->CloseEvent (ConsoleIn->ConIn.WaitForKey);\r
+ }\r
+\r
+ if ((ConsoleIn != NULL) && (ConsoleIn->TimerEvent != NULL)) {\r
+ gBS->CloseEvent (ConsoleIn->TimerEvent);\r
+ }\r
+ if ((ConsoleIn != NULL) && (ConsoleIn->ConInEx.WaitForKeyEx != NULL)) {\r
+ gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);\r
+ }\r
+ KbdFreeNotifyList (&ConsoleIn->NotifyList);\r
+ if ((ConsoleIn != NULL) && (ConsoleIn->ControllerNameTable != NULL)) {\r
+ FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);\r
+ }\r
+ //\r
+ // Since there will be no timer handler for keyboard input any more,\r
+ // exhaust input data just in case there is still keyboard data left\r
+ //\r
+ if (ConsoleIn != NULL) {\r
+ Status1 = EFI_SUCCESS;\r
+ while (!EFI_ERROR (Status1) && (Status != EFI_DEVICE_ERROR)) {\r
+ Status1 = KeyboardRead (ConsoleIn, &Data);;\r
+ }\r
+ }\r
+\r
+ if (ConsoleIn != NULL) {\r
+ gBS->FreePool (ConsoleIn);\r
+ }\r
+\r
+ gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiSioProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Stop this driver on ControllerHandle. Support stoping any child handles\r
+ created by this driver.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to stop driver on\r
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
+ children is zero stop the entire bus driver.\r
+ @param ChildHandleBuffer List of Child Handles to Stop.\r
+\r
+ @retval EFI_SUCCESS This driver is removed ControllerHandle\r
+ @retval other This driver was not removed from this device\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+KbdControllerDriverStop (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;\r
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r
+ UINT8 Data;\r
+\r
+ //\r
+ // Disable Keyboard\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiSimpleTextInProtocolGuid,\r
+ (VOID **) &ConIn,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiSimpleTextInputExProtocolGuid,\r
+ NULL,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);\r
+\r
+ //\r
+ // Report that the keyboard is being disabled\r
+ //\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DISABLE,\r
+ ConsoleIn->DevicePath\r
+ );\r
+\r
+ if (ConsoleIn->TimerEvent != NULL) {\r
+ gBS->CloseEvent (ConsoleIn->TimerEvent);\r
+ ConsoleIn->TimerEvent = NULL;\r
+ }\r
+\r
+ //\r
+ // Since there will be no timer handler for keyboard input any more,\r
+ // exhaust input data just in case there is still keyboard data left\r
+ //\r
+ Status = EFI_SUCCESS;\r
+ while (!EFI_ERROR (Status)) {\r
+ Status = KeyboardRead (ConsoleIn, &Data);;\r
+ }\r
+ //\r
+ // Uninstall the SimpleTextIn and SimpleTextInEx protocols\r
+ //\r
+ Status = gBS->UninstallMultipleProtocolInterfaces (\r
+ Controller,\r
+ &gEfiSimpleTextInProtocolGuid,\r
+ &ConsoleIn->ConIn,\r
+ &gEfiSimpleTextInputExProtocolGuid,\r
+ &ConsoleIn->ConInEx,\r
+ NULL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiSioProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+\r
+ //\r
+ // Free other resources\r
+ //\r
+ if ((ConsoleIn->ConIn).WaitForKey != NULL) {\r
+ gBS->CloseEvent ((ConsoleIn->ConIn).WaitForKey);\r
+ (ConsoleIn->ConIn).WaitForKey = NULL;\r
+ }\r
+ if (ConsoleIn->ConInEx.WaitForKeyEx != NULL) {\r
+ gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);\r
+ ConsoleIn->ConInEx.WaitForKeyEx = NULL;\r
+ }\r
+ KbdFreeNotifyList (&ConsoleIn->NotifyList);\r
+ FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);\r
+ gBS->FreePool (ConsoleIn);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ Free the waiting key notify list.\r
+\r
+ @param ListHead Pointer to list head\r
+\r
+ @retval EFI_INVALID_PARAMETER ListHead is NULL\r
+ @retval EFI_SUCCESS Sucess to free NotifyList\r
+**/\r
+EFI_STATUS\r
+KbdFreeNotifyList (\r
+ IN OUT LIST_ENTRY *ListHead\r
+ )\r
+{\r
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY *NotifyNode;\r
+\r
+ if (ListHead == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ while (!IsListEmpty (ListHead)) {\r
+ NotifyNode = CR (\r
+ ListHead->ForwardLink,\r
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY,\r
+ NotifyEntry,\r
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r
+ );\r
+ RemoveEntryList (ListHead->ForwardLink);\r
+ gBS->FreePool (NotifyNode);\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ The module Entry Point for module Ps2Keyboard.\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
+InitializePs2Keyboard(\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
+ &gKeyboardControllerDriver,\r
+ ImageHandle,\r
+ &gPs2KeyboardComponentName,\r
+ &gPs2KeyboardComponentName2\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+\r
+ return Status;\r
+}\r
+\r
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