audk/MdePkg/Include/Library/GraphicsLib.h

91 lines
2.9 KiB
C

/** @file
Library supports displaying graphical splash screen,
locking of keyboard input and printing character on
screen.
Copyright (c) 2006 - 2008, Intel Corporation.<BR>
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.
**/
#ifndef __EFI_GRAPHICS_LIB_H__
#define __EFI_GRAPHICS_LIB_H__
/**
Use Console Control to turn off UGA based Simple Text Out consoles from going
to the UGA device. Put up LogoFile on every UGA device that is a console
@param[in] LogoFile File name of logo to display on the center of the screen.
@retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo displayed.
@retval EFI_UNSUPPORTED Logo not found
**/
EFI_STATUS
EFIAPI
EnableQuietBoot (
IN EFI_GUID *LogoFile
);
/**
Use Console Control to turn off GOP/UGA based Simple Text Out consoles from going
to the UGA device. Put up LogoFile on every UGA device that is a console
@param LogoFile File name of logo to display on the center of the screen.
@param ImageHandle The driver image handle of the caller. The parameter is used to
optimize the loading of the logo file so that the FV from which
the driver image is loaded will be tried first.
@retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo displayed.
@retval EFI_UNSUPPORTED Logo not found
**/
EFI_STATUS
EFIAPI
EnableQuietBootEx (
IN EFI_GUID *LogoFile,
IN EFI_HANDLE ImageHandle
);
/**
Use Console Control to turn on UGA based Simple Text Out consoles. The UGA
Simple Text Out screens will now be synced up with all non UGA output devices
@retval EFI_SUCCESS UGA devices are back in text mode and synced up.
**/
EFI_STATUS
EFIAPI
DisableQuietBoot (
VOID
);
/**
Use Console Control Protocol to lock the Console In Spliter virtual handle.
This is the ConInHandle and ConIn handle in the EFI system table. All key
presses will be ignored until the Password is typed in. The only way to
disable the password is to type it in to a ConIn device.
@param[in] Password Password used to lock ConIn device.
@retval EFI_SUCCESS lock the Console In Spliter virtual handle successfully.
@retval EFI_UNSUPPORTED Password not found
**/
EFI_STATUS
EFIAPI
LockKeyboards (
IN CHAR16 *Password
);
#endif