mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-18 15:27:48 +01:00
654 lines
24 KiB
C
654 lines
24 KiB
C
/** @file
|
|
Header file for USB Keyboard Driver's Data Structures.
|
|
|
|
Copyright (c) 2004 - 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 _EFI_USB_KB_H_
|
|
#define _EFI_USB_KB_H_
|
|
|
|
|
|
#include <Uefi.h>
|
|
|
|
#include <IndustryStandard/AppleHid.h>
|
|
|
|
#include <Protocol/SimpleTextIn.h>
|
|
#include <Protocol/SimpleTextInEx.h>
|
|
#include <Protocol/HiiDatabase.h>
|
|
#include <Protocol/UsbIo.h>
|
|
#include <Protocol/DevicePath.h>
|
|
#include <Protocol/AppleKeyMapDatabase.h>
|
|
|
|
#include <Guid/HiiKeyBoardLayout.h>
|
|
#include <Guid/UsbKeyBoardLayout.h>
|
|
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/ReportStatusCodeLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/UefiRuntimeServicesTableLib.h>
|
|
#include <Library/UefiDriverEntryPoint.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/UefiLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/PcdLib.h>
|
|
#include <Library/UefiUsbLib.h>
|
|
#include <Library/HiiLib.h>
|
|
|
|
#include <IndustryStandard/Usb.h>
|
|
|
|
#define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s
|
|
|
|
#define MAX_KEY_ALLOWED 32
|
|
|
|
#define HZ 1000 * 1000 * 10
|
|
#define USBKBD_REPEAT_DELAY ((HZ) / 2)
|
|
#define USBKBD_REPEAT_RATE ((HZ) / 50)
|
|
|
|
#define CLASS_HID 3
|
|
#define SUBCLASS_BOOT 1
|
|
#define PROTOCOL_KEYBOARD 1
|
|
|
|
#define BOOT_PROTOCOL 0
|
|
#define REPORT_PROTOCOL 1
|
|
#ifdef EXIT_USBKB
|
|
#define PcdEnableDisconnectOnExitBootServicesInUsbKbDriver 1
|
|
#else
|
|
#define PcdEnableDisconnectOnExitBootServicesInUsbKbDriver 0
|
|
#endif
|
|
|
|
typedef struct {
|
|
BOOLEAN Down;
|
|
UINT8 KeyCode;
|
|
} USB_KEY;
|
|
|
|
typedef struct {
|
|
VOID *Buffer[MAX_KEY_ALLOWED + 1];
|
|
UINTN Head;
|
|
UINTN Tail;
|
|
UINTN ItemSize;
|
|
} USB_SIMPLE_QUEUE;
|
|
|
|
#define USB_KB_DEV_SIGNATURE SIGNATURE_32 ('u', 'k', 'b', 'd')
|
|
#define USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE SIGNATURE_32 ('u', 'k', 'b', 'x')
|
|
|
|
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 USB_NS_KEY_SIGNATURE SIGNATURE_32 ('u', 'n', 's', 'k')
|
|
|
|
typedef struct {
|
|
UINTN Signature;
|
|
LIST_ENTRY Link;
|
|
|
|
//
|
|
// The number of EFI_NS_KEY_MODIFIER children definitions
|
|
//
|
|
UINTN KeyCount;
|
|
|
|
//
|
|
// NsKey[0] : Non-spacing key
|
|
// NsKey[1] ~ NsKey[KeyCount] : Physical keys
|
|
//
|
|
EFI_KEY_DESCRIPTOR *NsKey;
|
|
} USB_NS_KEY;
|
|
|
|
#define USB_NS_KEY_FORM_FROM_LINK(a) CR (a, USB_NS_KEY, Link, USB_NS_KEY_SIGNATURE)
|
|
|
|
///
|
|
/// Structure to describe USB keyboard device
|
|
///
|
|
typedef struct {
|
|
UINTN Signature;
|
|
EFI_HANDLE ControllerHandle;
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
EFI_EVENT DelayedRecoveryEvent;
|
|
EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleInput;
|
|
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL SimpleInputEx;
|
|
APPLE_KEY_MAP_DATABASE_PROTOCOL *KeyMapDb;
|
|
UINTN KeyMapDbIndex;
|
|
EFI_USB_IO_PROTOCOL *UsbIo;
|
|
|
|
EFI_USB_DEVICE_DESCRIPTOR DeviceDescriptor;
|
|
EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
|
|
EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;
|
|
|
|
USB_SIMPLE_QUEUE UsbKeyQueue;
|
|
USB_SIMPLE_QUEUE EfiKeyQueue;
|
|
USB_SIMPLE_QUEUE EfiKeyQueueForNotify;
|
|
BOOLEAN CtrlOn;
|
|
BOOLEAN AltOn;
|
|
BOOLEAN ShiftOn;
|
|
BOOLEAN NumLockOn;
|
|
BOOLEAN CapsOn;
|
|
BOOLEAN ScrollOn;
|
|
UINT8 LastKeyCodeArray[8];
|
|
UINT8 CurKeyCode;
|
|
|
|
EFI_EVENT TimerEvent;
|
|
|
|
UINT8 RepeatKey;
|
|
EFI_EVENT RepeatTimer;
|
|
|
|
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
|
|
|
|
BOOLEAN LeftCtrlOn;
|
|
BOOLEAN LeftAltOn;
|
|
BOOLEAN LeftShiftOn;
|
|
BOOLEAN LeftLogoOn;
|
|
BOOLEAN RightCtrlOn;
|
|
BOOLEAN RightAltOn;
|
|
BOOLEAN RightShiftOn;
|
|
BOOLEAN RightLogoOn;
|
|
BOOLEAN MenuKeyOn;
|
|
BOOLEAN SysReqOn;
|
|
BOOLEAN AltGrOn;
|
|
|
|
BOOLEAN IsSupportPartialKey;
|
|
|
|
EFI_KEY_STATE KeyState;
|
|
//
|
|
// Notification function list
|
|
//
|
|
LIST_ENTRY NotifyList;
|
|
EFI_EVENT KeyNotifyProcessEvent;
|
|
|
|
//
|
|
// Non-spacing key list
|
|
//
|
|
LIST_ENTRY NsKeyList;
|
|
USB_NS_KEY *CurrentNsKey;
|
|
EFI_KEY_DESCRIPTOR *KeyConvertionTable;
|
|
EFI_EVENT KeyboardLayoutEvent;
|
|
//#if PcdEnableDisconnectOnExitBootServicesInUsbKbDriver
|
|
#ifdef EXIT_USBKB
|
|
EFI_EVENT ExitBootServicesEvent;
|
|
#endif
|
|
} USB_KB_DEV;
|
|
|
|
/* assume disabled
|
|
#define SIZE_OF_USB_KB_DEV \
|
|
(PcdGetBool (PcdEnableDisconnectOnExitBootServicesInUsbKbDriver) \
|
|
? sizeof (USB_KB_DEV) \
|
|
: OFFSET_OF (USB_KB_DEV, ExitBootServicesEvent)) \
|
|
*/
|
|
//
|
|
// Global Variables
|
|
//
|
|
extern EFI_DRIVER_BINDING_PROTOCOL gUsbKeyboardDriverBinding;
|
|
extern EFI_COMPONENT_NAME_PROTOCOL gUsbKeyboardComponentName;
|
|
extern EFI_COMPONENT_NAME2_PROTOCOL gUsbKeyboardComponentName2;
|
|
|
|
#define USB_KB_DEV_FROM_THIS(a) \
|
|
CR(a, USB_KB_DEV, SimpleInput, USB_KB_DEV_SIGNATURE)
|
|
#define TEXT_INPUT_EX_USB_KB_DEV_FROM_THIS(a) \
|
|
CR(a, USB_KB_DEV, SimpleInputEx, USB_KB_DEV_SIGNATURE)
|
|
|
|
//
|
|
// According to Universal Serial Bus HID Usage Tables document ver 1.12,
|
|
// a Boot Keyboard should support the keycode range from 0x0 to 0x65 and 0xE0 to 0xE7.
|
|
// 0xE0 to 0xE7 are for modifier keys, and 0x0 to 0x3 are reserved for typical
|
|
// keyboard status or keyboard errors.
|
|
// So the number of valid non-modifier USB keycodes is 0x62, and the number of
|
|
// valid keycodes is 0x6A.
|
|
//
|
|
#define NUMBER_OF_VALID_NON_MODIFIER_USB_KEYCODE 0x62
|
|
#define NUMBER_OF_VALID_USB_KEYCODE 0x6A
|
|
//
|
|
// 0x0 to 0x3 are reserved for typical keyboard status or keyboard errors.
|
|
//
|
|
#define USBKBD_VALID_KEYCODE(Key) ((UINT8) (Key) > 3)
|
|
|
|
typedef struct {
|
|
UINT8 NumLock : 1;
|
|
UINT8 CapsLock : 1;
|
|
UINT8 ScrollLock : 1;
|
|
UINT8 Resrvd : 5;
|
|
} LED_MAP;
|
|
|
|
//
|
|
// Functions of Driver Binding Protocol
|
|
//
|
|
/**
|
|
Check whether USB keyboard driver supports this device.
|
|
|
|
@param This The USB keyboard driver binding protocol.
|
|
@param Controller The controller handle to check.
|
|
@param RemainingDevicePath The remaining device path.
|
|
|
|
@retval EFI_SUCCESS The driver supports this controller.
|
|
@retval other This device isn't supported.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardDriverBindingSupported (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Starts the keyboard device with this driver.
|
|
|
|
This function produces Simple Text Input Protocol and Simple Text Input Ex Protocol,
|
|
initializes the keyboard device, and submit Asynchronous Interrupt Transfer to manage
|
|
this keyboard device.
|
|
|
|
@param This The USB keyboard driver binding instance.
|
|
@param Controller Handle of device to bind driver to.
|
|
@param RemainingDevicePath Optional parameter use to pick a specific child
|
|
device to start.
|
|
|
|
@retval EFI_SUCCESS The controller is controlled by the usb keyboard driver.
|
|
@retval EFI_UNSUPPORTED No interrupt endpoint can be found.
|
|
@retval Other This controller cannot be started.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardDriverBindingStart (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Stop the USB keyboard device handled by this driver.
|
|
|
|
@param This The USB keyboard driver binding protocol.
|
|
@param Controller The controller to release.
|
|
@param NumberOfChildren The number of handles in ChildHandleBuffer.
|
|
@param ChildHandleBuffer The array of child handle.
|
|
|
|
@retval EFI_SUCCESS The device was stopped.
|
|
@retval EFI_UNSUPPORTED Simple Text In Protocol or Simple Text In Ex Protocol
|
|
is not installed on Controller.
|
|
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
|
|
@retval Others Fail to uninstall protocols attached on the device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardDriverBindingStop (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN UINTN NumberOfChildren,
|
|
IN EFI_HANDLE *ChildHandleBuffer
|
|
);
|
|
|
|
//
|
|
// EFI Component Name Functions
|
|
//
|
|
/**
|
|
Retrieves a Unicode string that is the user readable name of the driver.
|
|
|
|
This function retrieves the user readable name of a driver in the form of a
|
|
Unicode string. If the driver specified by This has a user readable name in
|
|
the language specified by Language, then a pointer to the driver name is
|
|
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
|
|
by This does not support the language specified by Language,
|
|
then EFI_UNSUPPORTED is returned.
|
|
|
|
@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
|
EFI_COMPONENT_NAME_PROTOCOL instance.
|
|
@param Language A pointer to a Null-terminated ASCII string
|
|
array indicating the language. This is the
|
|
language of the driver name that the caller is
|
|
requesting, and it must match one of the
|
|
languages specified in SupportedLanguages. The
|
|
number of languages supported by a driver is up
|
|
to the driver writer. Language is specified
|
|
in RFC 4646 or ISO 639-2 language code format.
|
|
@param DriverName A pointer to the Unicode string to return.
|
|
This Unicode string is the name of the
|
|
driver specified by This in the language
|
|
specified by Language.
|
|
|
|
@retval EFI_SUCCESS The Unicode string for the Driver specified by
|
|
This and the language specified by Language was
|
|
returned in DriverName.
|
|
@retval EFI_INVALID_PARAMETER Language is NULL.
|
|
@retval EFI_INVALID_PARAMETER DriverName is NULL.
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support
|
|
the language specified by Language.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UsbKeyboardComponentNameGetDriverName (
|
|
IN EFI_COMPONENT_NAME_PROTOCOL *This,
|
|
IN CHAR8 *Language,
|
|
OUT CHAR16 **DriverName
|
|
);
|
|
|
|
/**
|
|
Retrieves a Unicode string that is the user readable name of the controller
|
|
that is being managed by a driver.
|
|
|
|
This function retrieves the user readable name of the controller specified by
|
|
ControllerHandle and ChildHandle in the form of a Unicode string. If the
|
|
driver specified by This has a user readable name in the language specified by
|
|
Language, then a pointer to the controller name is returned in ControllerName,
|
|
and EFI_SUCCESS is returned. If the driver specified by This is not currently
|
|
managing the controller specified by ControllerHandle and ChildHandle,
|
|
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
|
|
support the language specified by Language, then EFI_UNSUPPORTED is returned.
|
|
|
|
@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
|
EFI_COMPONENT_NAME_PROTOCOL instance.
|
|
@param ControllerHandle The handle of a controller that the driver
|
|
specified by This is managing. This handle
|
|
specifies the controller whose name is to be
|
|
returned.
|
|
@param ChildHandle The handle of the child controller to retrieve
|
|
the name of. This is an optional parameter that
|
|
may be NULL. It will be NULL for device
|
|
drivers. It will also be NULL for a bus drivers
|
|
that wish to retrieve the name of the bus
|
|
controller. It will not be NULL for a bus
|
|
driver that wishes to retrieve the name of a
|
|
child controller.
|
|
@param Language A pointer to a Null-terminated ASCII string
|
|
array indicating the language. This is the
|
|
language of the driver name that the caller is
|
|
requesting, and it must match one of the
|
|
languages specified in SupportedLanguages. The
|
|
number of languages supported by a driver is up
|
|
to the driver writer. Language is specified in
|
|
RFC 4646 or ISO 639-2 language code format.
|
|
@param ControllerName A pointer to the Unicode string to return.
|
|
This Unicode string is the name of the
|
|
controller specified by ControllerHandle and
|
|
ChildHandle in the language specified by
|
|
Language from the point of view of the driver
|
|
specified by This.
|
|
|
|
@retval EFI_SUCCESS The Unicode string for the user readable name in
|
|
the language specified by Language for the
|
|
driver specified by This was returned in
|
|
DriverName.
|
|
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
|
|
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
|
|
EFI_HANDLE.
|
|
@retval EFI_INVALID_PARAMETER Language is NULL.
|
|
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
|
|
@retval EFI_UNSUPPORTED The driver specified by This is not currently
|
|
managing the controller specified by
|
|
ControllerHandle and ChildHandle.
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support
|
|
the language specified by Language.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UsbKeyboardComponentNameGetControllerName (
|
|
IN EFI_COMPONENT_NAME_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_HANDLE ChildHandle OPTIONAL,
|
|
IN CHAR8 *Language,
|
|
OUT CHAR16 **ControllerName
|
|
);
|
|
|
|
//
|
|
// Functions of Simple Text Input Protocol
|
|
//
|
|
/**
|
|
Reset the input device and optionaly run diagnostics
|
|
|
|
There are 2 types of reset for USB keyboard.
|
|
For non-exhaustive reset, only keyboard buffer is cleared.
|
|
For exhaustive reset, in addition to clearance of keyboard buffer, the hardware status
|
|
is also re-initialized.
|
|
|
|
@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
|
|
USBKeyboardReset (
|
|
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
|
|
IN BOOLEAN ExtendedVerification
|
|
);
|
|
|
|
/**
|
|
Reads the next keystroke from the input device.
|
|
|
|
@param This The EFI_SIMPLE_TEXT_INPUT_PROTOCOL instance.
|
|
@param Key A pointer to a buffer that is filled in with the keystroke
|
|
information 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 keydtroke information was not returned due to
|
|
hardware errors.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardReadKeyStroke (
|
|
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
|
|
OUT EFI_INPUT_KEY *Key
|
|
);
|
|
|
|
//
|
|
// Simple Text Input Ex protocol functions
|
|
//
|
|
/**
|
|
Resets the input device hardware.
|
|
|
|
The Reset() function resets the input device hardware. As part
|
|
of initialization process, the firmware/device will make a quick
|
|
but reasonable attempt to verify that the device is functioning.
|
|
If the ExtendedVerification flag is TRUE the firmware may take
|
|
an extended amount of time to verify the device is operating on
|
|
reset. Otherwise the reset operation is to occur as quickly as
|
|
possible. The hardware verification process is not defined by
|
|
this specification and is left up to the platform firmware or
|
|
driver to implement.
|
|
|
|
@param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance.
|
|
|
|
@param ExtendedVerification Indicates that the driver may perform a more exhaustive
|
|
verification operation of the device during reset.
|
|
|
|
@retval EFI_SUCCESS The device was reset.
|
|
@retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardResetEx (
|
|
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
|
|
IN BOOLEAN ExtendedVerification
|
|
);
|
|
|
|
/**
|
|
Reads the next keystroke from the input device.
|
|
|
|
@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 available.
|
|
@retval EFI_DEVICE_ERROR The keystroke information was not returned due to
|
|
hardware errors.
|
|
@retval EFI_INVALID_PARAMETER KeyData is NULL.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardReadKeyStrokeEx (
|
|
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 appropriately.
|
|
@retval EFI_DEVICE_ERROR The device is not functioning correctly and could
|
|
not have the setting adjusted.
|
|
@retval EFI_UNSUPPORTED The device does not support the ability to have its state set.
|
|
@retval EFI_INVALID_PARAMETER KeyToggleState is NULL.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardSetState (
|
|
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 or KeyNotificationFunction is NULL.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardRegisterKeyNotify (
|
|
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 Cannot find the matching entry in database.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBKeyboardUnregisterKeyNotify (
|
|
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
|
|
IN VOID *NotificationHandle
|
|
);
|
|
|
|
/**
|
|
Event notification function registered for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx
|
|
and EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey.
|
|
|
|
@param Event Event to be signaled when a key is pressed.
|
|
@param Context Points to USB_KB_DEV instance.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
USBKeyboardWaitForKey (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Free keyboard notify list.
|
|
|
|
@param NotifyList The keyboard notify list to free.
|
|
|
|
@retval EFI_SUCCESS Free the notify list successfully.
|
|
@retval EFI_INVALID_PARAMETER NotifyList is NULL.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
KbdFreeNotifyList (
|
|
IN OUT LIST_ENTRY *NotifyList
|
|
);
|
|
|
|
/**
|
|
Check whether the pressed key matches a registered key or not.
|
|
|
|
@param RegsiteredData A pointer to keystroke data for the key that was registered.
|
|
@param InputData A pointer to keystroke data for the key that was pressed.
|
|
|
|
@retval TRUE Key pressed matches a registered key.
|
|
@retval FLASE Key pressed does not matche a registered key.
|
|
|
|
**/
|
|
BOOLEAN
|
|
IsKeyRegistered (
|
|
IN EFI_KEY_DATA *RegsiteredData,
|
|
IN EFI_KEY_DATA *InputData
|
|
);
|
|
|
|
/**
|
|
Timer handler to convert the key from USB.
|
|
|
|
@param Event Indicates the event that invoke this function.
|
|
@param Context Indicates the calling context.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
USBKeyboardTimerHandler (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
ExitBootServices handler to disconnect from the device.
|
|
|
|
@param Event Indicates the event that invoke this function.
|
|
@param Context Indicates the calling context.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
USBKeyboardExitBootServices (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
VOID
|
|
EFIAPI
|
|
WaitForOs (IN EFI_EVENT Event, IN VOID *Context);
|
|
|
|
/**
|
|
Process key notify.
|
|
|
|
@param Event Indicates the event that invoke this function.
|
|
@param Context Indicates the calling context.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
KeyNotifyProcessHandler (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
#endif
|
|
|