audk/IntelFrameworkModulePkg/Include/Protocol/VgaMiniPort.h

59 lines
2.0 KiB
C

/**@file
Vga Mini port binding for a VGA controller
Copyright (c) 2006 - 2007, Intel Corporation
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 __VGA_MINI_PORT_H_
#define __VGA_MINI_PORT_H_
#define EFI_VGA_MINI_PORT_PROTOCOL_GUID \
{ \
0xc7735a2f, 0x88f5, 0x4882, {0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3 } \
}
typedef struct _EFI_VGA_MINI_PORT_PROTOCOL EFI_VGA_MINI_PORT_PROTOCOL;
/**
Sets the text display mode of a VGA controller
@param This Protocol instance pointer.
@param Mode Mode number. 0 - 80x25 1-80x50
@retval EFI_SUCCESS The mode was set
@retval EFI_DEVICE_ERROR The device is not functioning properly.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_VGA_MINI_PORT_SET_MODE) (
IN EFI_VGA_MINI_PORT_PROTOCOL * This,
IN UINTN ModeNumber
);
struct _EFI_VGA_MINI_PORT_PROTOCOL {
EFI_VGA_MINI_PORT_SET_MODE SetMode;
UINT64 VgaMemoryOffset;
UINT64 CrtcAddressRegisterOffset;
UINT64 CrtcDataRegisterOffset;
UINT8 VgaMemoryBar;
UINT8 CrtcAddressRegisterBar;
UINT8 CrtcDataRegisterBar;
UINT8 MaxMode;
};
extern EFI_GUID gEfiVgaMiniPortProtocolGuid;
#endif