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/*++
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;
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
)
/*++
Routine Description:
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.
Arguments:
This - Protocol instance pointer.
Mode - Are we in text of grahics mode.
GopUgaExists - TRUE if Console Spliter has found a GOP or UGA device
StdInLocked - TRUE if StdIn device is keyboard locked
Returns:
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
)
/*++
Routine Description:
Set the current mode to either text or graphics. Graphics is
for Quiet Boot.
Arguments:
This - Protocol instance pointer.
Mode - Mode to set the
Returns:
EFI_SUCCESS - Mode information returned.
--*/
;
typedef
EFI_STATUS
(EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN) (
IN EFI_CONSOLE_CONTROL_PROTOCOL *This,
IN CHAR16 *Password
)
/*++
Routine Description:
Lock Std In devices until Password is typed.
Arguments:
This - Protocol instance pointer.
Password - Password needed to unlock screen. NULL means unlock keyboard
Returns:
EFI_SUCCESS - Mode information returned.
EFI_DEVICE_ERROR - Std In not locked
--*/
;
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
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