/** @file

;******************************************************************************
;* Copyright (c) 2012, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/

/*++ 

Copyright (c) 2004 - 2010, 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.             

Module Name:

  ConsoleControl.h

Abstract:

  Abstraction of a Text mode or GOP/UGA screen

--*/

#ifndef __CONSOLE_CONTROL_H__
#define __CONSOLE_CONTROL_H__

#define EFI_CONSOLE_CONTROL_PROTOCOL_GUID \
  { 0xf42f7782, 0x12e, 0x4c12, {0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21} }

typedef struct _EFI_CONSOLE_CONTROL_PROTOCOL   EFI_CONSOLE_CONTROL_PROTOCOL;


typedef enum {
  EfiConsoleControlScreenText,
  EfiConsoleControlScreenGraphics,
  EfiConsoleControlScreenMaxValue
} EFI_CONSOLE_CONTROL_SCREEN_MODE;


/**
 Return the current video mode information. Also returns info about existence
 of Graphics Output devices or UGA Draw devices in system, and if the Std In
 device is locked. All the arguments are optional and only returned if a non
 NULL pointer is passed in.

 @param [in]   This             Protocol instance pointer.
 @param [out]  Mode             Are we in text of grahics mode.
 @param [out]  GopUgaExists     TRUE if Console Spliter has found a GOP or UGA device
 @param [out]  StdInLocked      TRUE if StdIn device is keyboard locked

 @retval EFI_SUCCESS            Mode information returned.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE) (
  IN  EFI_CONSOLE_CONTROL_PROTOCOL      *This,
  OUT EFI_CONSOLE_CONTROL_SCREEN_MODE   *Mode,
  OUT BOOLEAN                           *GopUgaExists,  OPTIONAL  
  OUT BOOLEAN                           *StdInLocked    OPTIONAL
  );


/**
 Set the current mode to either text or graphics. Graphics is
 for Quiet Boot.

 @param [in]   This             Protocol instance pointer.
 @param [in]   Mode             Mode to set the

 @retval EFI_SUCCESS            Mode information returned.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE) (
  IN  EFI_CONSOLE_CONTROL_PROTOCOL      *This,
  IN  EFI_CONSOLE_CONTROL_SCREEN_MODE   Mode
  );


/**
 Lock Std In devices until Password is typed.

 @param [in]   This             Protocol instance pointer.
 @param [in]   Password         Password needed to unlock screen. NULL means unlock keyboard

 @retval EFI_SUCCESS            Mode information returned.
 @retval EFI_DEVICE_ERROR       Std In not locked

**/
typedef
EFI_STATUS
(EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN) (
  IN  EFI_CONSOLE_CONTROL_PROTOCOL      *This,
  IN CHAR16                             *Password
  );



struct _EFI_CONSOLE_CONTROL_PROTOCOL {
  EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE           GetMode;
  EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE           SetMode;
  EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN        LockStdIn;
};

extern EFI_GUID gEfiConsoleControlProtocolGuid;

#endif