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94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/** @file
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Abstraction of a Text mode or GOP/UGA screen
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Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef CONSOLE_CONTROL_H
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#define CONSOLE_CONTROL_H
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#define EFI_CONSOLE_CONTROL_PROTOCOL_GUID \
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{ 0xF42F7782, 0x012E, 0x4C12, \
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{ 0x99, 0x56, 0x49, 0xF9, 0x43, 0x04, 0xF7, 0x21 } }
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typedef struct EFI_CONSOLE_CONTROL_PROTOCOL EFI_CONSOLE_CONTROL_PROTOCOL;
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typedef enum {
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EfiConsoleControlScreenText,
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EfiConsoleControlScreenGraphics,
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EfiConsoleControlScreenMaxValue
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} EFI_CONSOLE_CONTROL_SCREEN_MODE;
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// EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE
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/** Return the current video mode information. Also returns info about
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existence of Graphics Output devices or UGA Draw devices in system, and if
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the Std In device is locked. All the arguments are optional and only
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returned if a non NULL pointer is passed in.
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@param[in] This Protocol instance pointer.
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@param[out] Mode Are we in text of grahics mode.
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@param[out] GopUgaExists TRUE if Console Spliter has found a GOP or UGA
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device
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@param[out] StdInLocked TRUE if StdIn device is keyboard locked
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@retval EFI_SUCCESS Mode information returned.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE) (
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IN EFI_CONSOLE_CONTROL_PROTOCOL *This,
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OUT EFI_CONSOLE_CONTROL_SCREEN_MODE *Mode,
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OUT BOOLEAN *GopUgaExists OPTIONAL,
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OUT BOOLEAN *StdInLocked OPTIONAL
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);
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// EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE
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/** Set the current mode to either text or graphics. Graphics is for Quiet
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Boot.
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@param[in] This Protocol instance pointer.
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@param[in] Mode Mode to set the
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@retval EFI_SUCCESS Mode information returned.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE) (
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IN EFI_CONSOLE_CONTROL_PROTOCOL *This,
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IN EFI_CONSOLE_CONTROL_SCREEN_MODE Mode
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);
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// EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN
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/** Lock Std In devices until Password is typed.
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@param[in] This Protocol instance pointer.
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@param[in] Password Password needed to unlock screen. NULL means unlock
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keyboard
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@retval EFI_SUCCESS Mode information returned.
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@retval EFI_DEVICE_ERROR Std In not locked
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN) (
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IN EFI_CONSOLE_CONTROL_PROTOCOL *This,
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IN CHAR16 *Password
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);
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struct EFI_CONSOLE_CONTROL_PROTOCOL {
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EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE GetMode;
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EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE SetMode;
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EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN LockStdIn;
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};
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extern EFI_GUID gEfiConsoleControlProtocolGuid;
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#endif // CONSOLE_CONTROL_H
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