/** @file
Copyright (c) 2004 - 2005, Intel Corporation
All rights reserved. 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.

Module Name:

    Keyboard.h

Abstract:

    Function prototype for USB Keyboard Driver

Revision History

**/

#ifndef _KEYBOARD_H
#define _KEYBOARD_H


#include "efikey.h"

BOOLEAN
IsUSBKeyboard (
  IN  EFI_USB_IO_PROTOCOL       *UsbIo
  );

EFI_STATUS
InitUSBKeyboard (
  IN USB_KB_DEV   *UsbKeyboardDevice
  );

EFI_STATUS
InitKeyboardLayout (
  IN USB_KB_DEV   *UsbKeyboardDevice
  );

VOID
ReleaseKeyboardLayoutResources (
  USB_KB_DEV  *UsbKeyboardDevice
  );

EFI_STATUS
EFIAPI
KeyboardHandler (
  IN  VOID          *Data,
  IN  UINTN         DataLength,
  IN  VOID          *Context,
  IN  UINT32        Result
  );

VOID
EFIAPI
USBKeyboardRecoveryHandler (
  IN    EFI_EVENT    Event,
  IN    VOID         *Context
  );

EFI_STATUS
USBParseKey (
  IN OUT  USB_KB_DEV  *UsbKeyboardDevice,
  OUT     UINT8       *KeyChar
  );

EFI_STATUS
USBKeyCodeToEFIScanCode (
  IN  USB_KB_DEV      *UsbKeyboardDevice,
  IN  UINT8           KeyChar,
  OUT EFI_INPUT_KEY   *Key
  );

EFI_STATUS
InitUSBKeyBuffer (
  IN OUT  USB_KB_BUFFER   *KeyboardBuffer
  );

BOOLEAN
IsUSBKeyboardBufferEmpty (
  IN  USB_KB_BUFFER   *KeyboardBuffer
  );

BOOLEAN
IsUSBKeyboardBufferFull (
  IN  USB_KB_BUFFER   *KeyboardBuffer
  );

EFI_STATUS
InsertKeyCode (
  IN OUT  USB_KB_BUFFER *KeyboardBuffer,
  IN      UINT8         Key,
  IN      UINT8         Down
  );

EFI_STATUS
RemoveKeyCode (
  IN OUT  USB_KB_BUFFER *KeyboardBuffer,
  OUT     USB_KEY       *UsbKey
  );

VOID
EFIAPI
USBKeyboardRepeatHandler (
  IN    EFI_EVENT    Event,
  IN    VOID         *Context
  );

EFI_STATUS
SetKeyLED (
  IN  USB_KB_DEV    *UsbKeyboardDevice
  );

#endif