mirror of https://github.com/acidanthera/audk.git
102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
/** @file
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This protocol provides the interfaces to Get/Set the current video mode for GOP/UGA screen
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. 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, 0x12e, 0x4c12, {0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 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, /// Text Mode
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EfiConsoleControlScreenGraphics, /// Graphics Mode
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EfiConsoleControlScreenMaxValue
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} EFI_CONSOLE_CONTROL_SCREEN_MODE;
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/**
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Return the current video mode information. Also returns info about existence
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of Graphics Output devices or UGA Draw devices in system, and whether the Std
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In device is locked. GopUgaExists and StdInLocked parameters are optional, and
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only returned if a non NULL pointer is passed in.
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@param This Protocol instance pointer.
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@param Mode Current video mode.
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@param GopUgaExists TRUE if GOP Spliter has found a GOP/UGA device
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@param StdInLocked TRUE if StdIn device is keyboard locked
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@retval EFI_SUCCESS Video mode information is returned.
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@retval EFI_INVALID_PARAMETER Invalid parameters if Mode == NULL.
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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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/**
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Set the current video mode to either text or graphics. Graphics is
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for Quiet Boot.
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@param This Protocol instance pointer.
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@param Mode Video mode is to be set.
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@retval EFI_SUCCESS Mode is set successfully.
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@retval EFI_INVALID_PARAMETER Mode is not the valid mode value.
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@retval EFI_UNSUPPORTED Mode is unsupported by console device.
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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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OUT EFI_CONSOLE_CONTROL_SCREEN_MODE Mode
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);
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/**
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If Password is NULL or the Password is too big, then return an error. If the
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Password is valid, then store the password, lock StdIn and arm the periodic timer.
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@param This Protocol instance pointer.
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@param Password The password input.
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@retval EFI_SUCCESS Lock the StdIn device.
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@retval EFI_INVALID_PARAMETER Password is NULL.
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@retval EFI_OUT_OF_RESOURCES Buffer allocation to store the password fails.
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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
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