2 Vga Mini port binding for a VGA controller
4 Copyright (c) 2006 - 2007, Intel Corporation
5 All rights reserved. This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #ifndef __VGA_MINI_PORT_H_
16 #define __VGA_MINI_PORT_H_
18 #define EFI_VGA_MINI_PORT_PROTOCOL_GUID \
20 0xc7735a2f, 0x88f5, 0x4882, {0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3 } \
23 typedef struct _EFI_VGA_MINI_PORT_PROTOCOL EFI_VGA_MINI_PORT_PROTOCOL
;
27 (EFIAPI
*EFI_VGA_MINI_PORT_SET_MODE
) (
28 IN EFI_VGA_MINI_PORT_PROTOCOL
* This
,
35 Sets the text display mode of a VGA controller
38 This - Protocol instance pointer.
39 Mode - Mode number. 0 - 80x25 1-80x50
42 EFI_SUCCESS - The mode was set
43 EFI_DEVICE_ERROR - The device is not functioning properly.
46 struct _EFI_VGA_MINI_PORT_PROTOCOL
{
47 EFI_VGA_MINI_PORT_SET_MODE SetMode
;
49 UINT64 VgaMemoryOffset
;
50 UINT64 CrtcAddressRegisterOffset
;
51 UINT64 CrtcDataRegisterOffset
;
54 UINT8 CrtcAddressRegisterBar
;
55 UINT8 CrtcDataRegisterBar
;
60 extern EFI_GUID gEfiVgaMiniPortProtocolGuid
;