MdeModulePkg: Add Ps2KeyboardDxe driver.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com>
This commit is contained in:
551
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
Normal file
551
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
Normal file
@@ -0,0 +1,551 @@
|
||||
/** @file
|
||||
PS/2 keyboard driver header file
|
||||
|
||||
Copyright (c) 2006 - 2016, Intel Corporation. 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.
|
||||
|
||||
**/
|
||||
|
||||
#ifndef _PS2KEYBOARD_H_
|
||||
#define _PS2KEYBOARD_H_
|
||||
|
||||
#include <Uefi.h>
|
||||
|
||||
#include <Protocol/SuperIo.h>
|
||||
#include <Protocol/SimpleTextIn.h>
|
||||
#include <Protocol/SimpleTextInEx.h>
|
||||
#include <Protocol/DevicePath.h>
|
||||
#include <Protocol/Ps2Policy.h>
|
||||
|
||||
#include <Library/IoLib.h>
|
||||
#include <Library/DevicePathLib.h>
|
||||
#include <Library/UefiDriverEntryPoint.h>
|
||||
#include <Library/UefiLib.h>
|
||||
#include <Library/UefiBootServicesTableLib.h>
|
||||
#include <Library/ReportStatusCodeLib.h>
|
||||
#include <Library/DebugLib.h>
|
||||
#include <Library/UefiRuntimeServicesTableLib.h>
|
||||
#include <Library/MemoryAllocationLib.h>
|
||||
#include <Library/BaseLib.h>
|
||||
#include <Library/BaseMemoryLib.h>
|
||||
#include <Library/TimerLib.h>
|
||||
#include <Library/PcdLib.h>
|
||||
|
||||
//
|
||||
// Global Variables
|
||||
//
|
||||
extern EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver;
|
||||
extern EFI_COMPONENT_NAME_PROTOCOL gPs2KeyboardComponentName;
|
||||
extern EFI_COMPONENT_NAME2_PROTOCOL gPs2KeyboardComponentName2;
|
||||
|
||||
//
|
||||
// Driver Private Data
|
||||
//
|
||||
#define KEYBOARD_CONSOLE_IN_DEV_SIGNATURE SIGNATURE_32 ('k', 'k', 'e', 'y')
|
||||
#define KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE SIGNATURE_32 ('k', 'c', 'e', 'n')
|
||||
|
||||
typedef struct _KEYBOARD_CONSOLE_IN_EX_NOTIFY {
|
||||
UINTN Signature;
|
||||
EFI_KEY_DATA KeyData;
|
||||
EFI_KEY_NOTIFY_FUNCTION KeyNotificationFn;
|
||||
LIST_ENTRY NotifyEntry;
|
||||
} KEYBOARD_CONSOLE_IN_EX_NOTIFY;
|
||||
|
||||
#define KEYBOARD_SCAN_CODE_MAX_COUNT 32
|
||||
typedef struct {
|
||||
UINT8 Buffer[KEYBOARD_SCAN_CODE_MAX_COUNT];
|
||||
UINTN Head;
|
||||
UINTN Tail;
|
||||
} SCAN_CODE_QUEUE;
|
||||
|
||||
#define KEYBOARD_EFI_KEY_MAX_COUNT 256
|
||||
typedef struct {
|
||||
EFI_KEY_DATA Buffer[KEYBOARD_EFI_KEY_MAX_COUNT];
|
||||
UINTN Head;
|
||||
UINTN Tail;
|
||||
} EFI_KEY_QUEUE;
|
||||
|
||||
typedef struct {
|
||||
UINTN Signature;
|
||||
|
||||
EFI_HANDLE Handle;
|
||||
EFI_SIMPLE_TEXT_INPUT_PROTOCOL ConIn;
|
||||
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL ConInEx;
|
||||
|
||||
EFI_EVENT TimerEvent;
|
||||
|
||||
UINT32 DataRegisterAddress;
|
||||
UINT32 StatusRegisterAddress;
|
||||
UINT32 CommandRegisterAddress;
|
||||
|
||||
BOOLEAN LeftCtrl;
|
||||
BOOLEAN RightCtrl;
|
||||
BOOLEAN LeftAlt;
|
||||
BOOLEAN RightAlt;
|
||||
BOOLEAN LeftShift;
|
||||
BOOLEAN RightShift;
|
||||
BOOLEAN LeftLogo;
|
||||
BOOLEAN RightLogo;
|
||||
BOOLEAN Menu;
|
||||
BOOLEAN SysReq;
|
||||
|
||||
BOOLEAN CapsLock;
|
||||
BOOLEAN NumLock;
|
||||
BOOLEAN ScrollLock;
|
||||
|
||||
BOOLEAN IsSupportPartialKey;
|
||||
//
|
||||
// Queue storing key scancodes
|
||||
//
|
||||
SCAN_CODE_QUEUE ScancodeQueue;
|
||||
EFI_KEY_QUEUE EfiKeyQueue;
|
||||
|
||||
//
|
||||
// Error state
|
||||
//
|
||||
BOOLEAN KeyboardErr;
|
||||
|
||||
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
|
||||
|
||||
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
||||
//
|
||||
// Notification Function List
|
||||
//
|
||||
LIST_ENTRY NotifyList;
|
||||
} KEYBOARD_CONSOLE_IN_DEV;
|
||||
|
||||
#define KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) CR (a, KEYBOARD_CONSOLE_IN_DEV, ConIn, KEYBOARD_CONSOLE_IN_DEV_SIGNATURE)
|
||||
#define TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) \
|
||||
CR (a, \
|
||||
KEYBOARD_CONSOLE_IN_DEV, \
|
||||
ConInEx, \
|
||||
KEYBOARD_CONSOLE_IN_DEV_SIGNATURE \
|
||||
)
|
||||
|
||||
#define TABLE_END 0x0
|
||||
|
||||
//
|
||||
// Driver entry point
|
||||
//
|
||||
/**
|
||||
The user Entry Point for module Ps2Keyboard. The user code starts with this function.
|
||||
|
||||
@param[in] ImageHandle The firmware allocated handle for the EFI image.
|
||||
@param[in] SystemTable A pointer to the EFI System Table.
|
||||
|
||||
@retval EFI_SUCCESS The entry point is executed successfully.
|
||||
@retval other Some error occurs when executing this entry point.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
InstallPs2KeyboardDriver (
|
||||
IN EFI_HANDLE ImageHandle,
|
||||
IN EFI_SYSTEM_TABLE *SystemTable
|
||||
);
|
||||
|
||||
#define KEYBOARD_8042_DATA_REGISTER 0x60
|
||||
#define KEYBOARD_8042_STATUS_REGISTER 0x64
|
||||
#define KEYBOARD_8042_COMMAND_REGISTER 0x64
|
||||
|
||||
#define KEYBOARD_KBEN 0xF4
|
||||
#define KEYBOARD_CMDECHO_ACK 0xFA
|
||||
|
||||
#define KEYBOARD_MAX_TRY 256 // 256
|
||||
#define KEYBOARD_TIMEOUT 65536 // 0.07s
|
||||
#define KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s
|
||||
#define KEYBOARD_BAT_TIMEOUT 4000000 // 4s
|
||||
#define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s
|
||||
#define SCANCODE_EXTENDED0 0xE0
|
||||
#define SCANCODE_EXTENDED1 0xE1
|
||||
#define SCANCODE_CTRL_MAKE 0x1D
|
||||
#define SCANCODE_CTRL_BREAK 0x9D
|
||||
#define SCANCODE_ALT_MAKE 0x38
|
||||
#define SCANCODE_ALT_BREAK 0xB8
|
||||
#define SCANCODE_LEFT_SHIFT_MAKE 0x2A
|
||||
#define SCANCODE_LEFT_SHIFT_BREAK 0xAA
|
||||
#define SCANCODE_RIGHT_SHIFT_MAKE 0x36
|
||||
#define SCANCODE_RIGHT_SHIFT_BREAK 0xB6
|
||||
#define SCANCODE_CAPS_LOCK_MAKE 0x3A
|
||||
#define SCANCODE_NUM_LOCK_MAKE 0x45
|
||||
#define SCANCODE_SCROLL_LOCK_MAKE 0x46
|
||||
#define SCANCODE_DELETE_MAKE 0x53
|
||||
#define SCANCODE_LEFT_LOGO_MAKE 0x5B //GUI key defined in Keyboard scan code
|
||||
#define SCANCODE_LEFT_LOGO_BREAK 0xDB
|
||||
#define SCANCODE_RIGHT_LOGO_MAKE 0x5C
|
||||
#define SCANCODE_RIGHT_LOGO_BREAK 0xDC
|
||||
#define SCANCODE_MENU_MAKE 0x5D //APPS key defined in Keyboard scan code
|
||||
#define SCANCODE_MENU_BREAK 0xDD
|
||||
#define SCANCODE_SYS_REQ_MAKE 0x37
|
||||
#define SCANCODE_SYS_REQ_BREAK 0xB7
|
||||
#define SCANCODE_SYS_REQ_MAKE_WITH_ALT 0x54
|
||||
#define SCANCODE_SYS_REQ_BREAK_WITH_ALT 0xD4
|
||||
|
||||
#define SCANCODE_MAX_MAKE 0x60
|
||||
|
||||
|
||||
#define KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA BIT0 ///< 0 - Output register has no data; 1 - Output register has data
|
||||
#define KEYBOARD_STATUS_REGISTER_HAS_INPUT_DATA BIT1 ///< 0 - Input register has no data; 1 - Input register has data
|
||||
#define KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG BIT2 ///< Set to 0 after power on reset
|
||||
#define KEYBOARD_STATUS_REGISTER_INPUT_DATA_TYPE BIT3 ///< 0 - Data in input register is data; 1 - Data in input register is command
|
||||
#define KEYBOARD_STATUS_REGISTER_ENABLE_FLAG BIT4 ///< 0 - Keyboard is disable; 1 - Keyboard is enable
|
||||
#define KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT BIT5 ///< 0 - Transmit is complete without timeout; 1 - Transmit is timeout without complete
|
||||
#define KEYBOARD_STATUS_REGISTER_RECEIVE_TIMEOUT BIT6 ///< 0 - Receive is complete without timeout; 1 - Receive is timeout without complete
|
||||
#define KEYBOARD_STATUS_REGISTER_PARITY BIT7 ///< 0 - Odd parity; 1 - Even parity
|
||||
|
||||
#define KEYBOARD_8042_COMMAND_READ 0x20
|
||||
#define KEYBOARD_8042_COMMAND_WRITE 0x60
|
||||
#define KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE 0xA7
|
||||
#define KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE 0xA8
|
||||
#define KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST 0xAA
|
||||
#define KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST 0xAB
|
||||
#define KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE 0xAD
|
||||
|
||||
#define KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA 0xF4
|
||||
#define KEYBOARD_8048_COMMAND_RESET 0xFF
|
||||
#define KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET 0xF0
|
||||
|
||||
#define KEYBOARD_8048_RETURN_8042_BAT_SUCCESS 0xAA
|
||||
#define KEYBOARD_8048_RETURN_8042_BAT_ERROR 0xFC
|
||||
#define KEYBOARD_8048_RETURN_8042_ACK 0xFA
|
||||
|
||||
|
||||
//
|
||||
// Keyboard Controller Status
|
||||
//
|
||||
#define KBC_PARE 0x80 // Parity Error
|
||||
#define KBC_TIM 0x40 // General Time Out
|
||||
|
||||
//
|
||||
// Other functions that are used among .c files
|
||||
//
|
||||
/**
|
||||
Show keyboard status lights according to
|
||||
indicators in ConsoleIn.
|
||||
|
||||
@param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
|
||||
|
||||
@return status
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UpdateStatusLights (
|
||||
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
||||
);
|
||||
|
||||
/**
|
||||
write key to keyboard.
|
||||
|
||||
@param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
|
||||
@param Data value wanted to be written
|
||||
|
||||
@retval EFI_TIMEOUT - GC_TODO: Add description for return value
|
||||
@retval EFI_SUCCESS - GC_TODO: Add description for return value
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
KeyboardRead (
|
||||
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
|
||||
OUT UINT8 *Data
|
||||
);
|
||||
|
||||
/**
|
||||
Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.
|
||||
|
||||
The function is always called in TPL_NOTIFY.
|
||||
|
||||
@param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer
|
||||
|
||||
**/
|
||||
VOID
|
||||
KeyGetchar (
|
||||
IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
||||
);
|
||||
|
||||
/**
|
||||
Perform 8042 controller and keyboard Initialization.
|
||||
If ExtendedVerification is TRUE, do additional test for
|
||||
the keyboard interface
|
||||
|
||||
@param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer
|
||||
@param ExtendedVerification - indicates a thorough initialization
|
||||
|
||||
@retval EFI_DEVICE_ERROR Fail to init keyboard
|
||||
@retval EFI_SUCCESS Success to init keyboard
|
||||
**/
|
||||
EFI_STATUS
|
||||
InitKeyboard (
|
||||
IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
|
||||
IN BOOLEAN ExtendedVerification
|
||||
);
|
||||
|
||||
/**
|
||||
Disable the keyboard interface of the 8042 controller.
|
||||
|
||||
@param ConsoleIn - the device instance
|
||||
|
||||
@return status of issuing disable command
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
DisableKeyboard (
|
||||
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
||||
);
|
||||
|
||||
/**
|
||||
Timer event handler: read a series of scancodes from 8042
|
||||
and put them into memory scancode buffer.
|
||||
it read as much scancodes to either fill
|
||||
the memory buffer or empty the keyboard buffer.
|
||||
It is registered as running under TPL_NOTIFY
|
||||
|
||||
@param Event - The timer event
|
||||
@param Context - A KEYBOARD_CONSOLE_IN_DEV pointer
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
KeyboardTimerHandler (
|
||||
IN EFI_EVENT Event,
|
||||
IN VOID *Context
|
||||
);
|
||||
|
||||
/**
|
||||
logic reset keyboard
|
||||
Implement SIMPLE_TEXT_IN.Reset()
|
||||
Perform 8042 controller and keyboard initialization
|
||||
|
||||
@param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
|
||||
@param ExtendedVerification Indicate that the driver may perform a more
|
||||
exhaustive verification operation of the device during
|
||||
reset, now this par is ignored in this driver
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
KeyboardEfiReset (
|
||||
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
|
||||
IN BOOLEAN ExtendedVerification
|
||||
);
|
||||
|
||||
/**
|
||||
Implement SIMPLE_TEXT_IN.ReadKeyStroke().
|
||||
Retrieve key values for driver user.
|
||||
|
||||
@param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
|
||||
@param Key The output buffer for key value
|
||||
|
||||
@retval EFI_SUCCESS success to read key stroke
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
KeyboardReadKeyStroke (
|
||||
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
|
||||
OUT EFI_INPUT_KEY *Key
|
||||
);
|
||||
|
||||
/**
|
||||
Event notification function for SIMPLE_TEXT_IN.WaitForKey event
|
||||
Signal the event if there is key available
|
||||
|
||||
@param Event the event object
|
||||
@param Context waitting context
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
KeyboardWaitForKey (
|
||||
IN EFI_EVENT Event,
|
||||
IN VOID *Context
|
||||
);
|
||||
|
||||
/**
|
||||
Read status register.
|
||||
|
||||
@param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
|
||||
|
||||
@return value in status register
|
||||
|
||||
**/
|
||||
UINT8
|
||||
KeyReadStatusRegister (
|
||||
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
||||
);
|
||||
|
||||
/**
|
||||
Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command
|
||||
If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device
|
||||
should not be in system.
|
||||
|
||||
@param[in] ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
|
||||
|
||||
@retval TRUE Keyboard in System.
|
||||
@retval FALSE Keyboard not in System.
|
||||
**/
|
||||
BOOLEAN
|
||||
EFIAPI
|
||||
CheckKeyboardConnect (
|
||||
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
||||
);
|
||||
|
||||
/**
|
||||
Event notification function for SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event
|
||||
Signal the event if there is key available
|
||||
|
||||
@param Event event object
|
||||
@param Context waiting context
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
KeyboardWaitForKeyEx (
|
||||
IN EFI_EVENT Event,
|
||||
IN VOID *Context
|
||||
);
|
||||
|
||||
//
|
||||
// Simple Text Input Ex protocol function prototypes
|
||||
//
|
||||
|
||||
/**
|
||||
Reset the input device and optionaly run diagnostics
|
||||
|
||||
@param This - Protocol instance pointer.
|
||||
@param ExtendedVerification - Driver may perform diagnostics on reset.
|
||||
|
||||
@retval EFI_SUCCESS - The device was reset.
|
||||
@retval EFI_DEVICE_ERROR - The device is not functioning properly and could
|
||||
not be reset.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
KeyboardEfiResetEx (
|
||||
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
|
||||
IN BOOLEAN ExtendedVerification
|
||||
);
|
||||
|
||||
/**
|
||||
Reads the next keystroke from the input device. The WaitForKey Event can
|
||||
be used to test for existance of a keystroke via WaitForEvent () call.
|
||||
|
||||
|
||||
@param This - Protocol instance pointer.
|
||||
@param KeyData - A pointer to a buffer that is filled in with the keystroke
|
||||
state data for the key that was pressed.
|
||||
|
||||
@retval EFI_SUCCESS - The keystroke information was returned.
|
||||
@retval EFI_NOT_READY - There was no keystroke data availiable.
|
||||
@retval EFI_DEVICE_ERROR - The keystroke information was not returned due to
|
||||
hardware errors.
|
||||
@retval EFI_INVALID_PARAMETER - KeyData is NULL.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
KeyboardReadKeyStrokeEx (
|
||||
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
|
||||
OUT EFI_KEY_DATA *KeyData
|
||||
);
|
||||
|
||||
/**
|
||||
Set certain state for the input device.
|
||||
|
||||
@param This - Protocol instance pointer.
|
||||
@param KeyToggleState - A pointer to the EFI_KEY_TOGGLE_STATE to set the
|
||||
state for the input device.
|
||||
|
||||
@retval EFI_SUCCESS - The device state was set successfully.
|
||||
@retval EFI_DEVICE_ERROR - The device is not functioning correctly and could
|
||||
not have the setting adjusted.
|
||||
@retval EFI_UNSUPPORTED - The device does not have the ability to set its state.
|
||||
@retval EFI_INVALID_PARAMETER - KeyToggleState is NULL.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
KeyboardSetState (
|
||||
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
|
||||
IN EFI_KEY_TOGGLE_STATE *KeyToggleState
|
||||
);
|
||||
|
||||
/**
|
||||
Register a notification function for a particular keystroke for the input device.
|
||||
|
||||
@param This - Protocol instance pointer.
|
||||
@param KeyData - A pointer to a buffer that is filled in with the keystroke
|
||||
information data for the key that was pressed.
|
||||
@param KeyNotificationFunction - Points to the function to be called when the key
|
||||
sequence is typed specified by KeyData.
|
||||
@param NotifyHandle - Points to the unique handle assigned to the registered notification.
|
||||
|
||||
@retval EFI_SUCCESS - The notification function was registered successfully.
|
||||
@retval EFI_OUT_OF_RESOURCES - Unable to allocate resources for necesssary data structures.
|
||||
@retval EFI_INVALID_PARAMETER - KeyData or NotifyHandle is NULL.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
KeyboardRegisterKeyNotify (
|
||||
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
|
||||
IN EFI_KEY_DATA *KeyData,
|
||||
IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,
|
||||
OUT VOID **NotifyHandle
|
||||
);
|
||||
|
||||
/**
|
||||
Remove a registered notification function from a particular keystroke.
|
||||
|
||||
@param This - Protocol instance pointer.
|
||||
@param NotificationHandle - The handle of the notification function being unregistered.
|
||||
|
||||
|
||||
@retval EFI_SUCCESS - The notification function was unregistered successfully.
|
||||
@retval EFI_INVALID_PARAMETER - The NotificationHandle is invalid.
|
||||
@retval EFI_NOT_FOUND - Can not find the matching entry in database.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
KeyboardUnregisterKeyNotify (
|
||||
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
|
||||
IN VOID *NotificationHandle
|
||||
);
|
||||
|
||||
/**
|
||||
Push one key data to the EFI key buffer.
|
||||
|
||||
@param Queue Pointer to instance of EFI_KEY_QUEUE.
|
||||
@param KeyData The key data to push.
|
||||
**/
|
||||
VOID
|
||||
PushEfikeyBufTail (
|
||||
IN EFI_KEY_QUEUE *Queue,
|
||||
IN EFI_KEY_DATA *KeyData
|
||||
);
|
||||
|
||||
/**
|
||||
Judge whether is a registed key
|
||||
|
||||
@param RegsiteredData A pointer to a buffer that is filled in with the keystroke
|
||||
state data for the key that was registered.
|
||||
@param InputData A pointer to a buffer that is filled in with the keystroke
|
||||
state data for the key that was pressed.
|
||||
|
||||
@retval TRUE Key be pressed matches a registered key.
|
||||
@retval FLASE Match failed.
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
IsKeyRegistered (
|
||||
IN EFI_KEY_DATA *RegsiteredData,
|
||||
IN EFI_KEY_DATA *InputData
|
||||
);
|
||||
|
||||
#endif
|
Reference in New Issue
Block a user