IntelFrameworkModulePkg/Include/Protocol/VgaMiniPort.h

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12
  13 Module Name:
  14
  15     VgaMiniPort.h
  16
  17 Abstract:
  18
  19     Vga Mini port binding for a VGA controller
  20
  21 Revision History
  22
  23 --*/
  24
  25 #ifndef __VGA_MINI_PORT_H_
  26 #define __VGA_MINI_PORT_H_
  27
  28 #define EFI_VGA_MINI_PORT_PROTOCOL_GUID \
  29   { \
  30     0xc7735a2f, 0x88f5, 0x4882, {0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3 } \
  31   }
  32
  33 typedef struct _EFI_VGA_MINI_PORT_PROTOCOL  EFI_VGA_MINI_PORT_PROTOCOL;
  34
  35 typedef
  36 EFI_STATUS
  37 (EFIAPI *EFI_VGA_MINI_PORT_SET_MODE) (
  38   IN EFI_VGA_MINI_PORT_PROTOCOL          * This,
  39   IN UINTN                               ModeNumber
  40   );
  41
  42 /*++
  43
  44   Routine Description:
  45     Sets the text display mode of a VGA controller
  46
  47   Arguments:
  48     This                 - Protocol instance pointer.
  49     Mode                 - Mode number.  0 - 80x25   1-80x50
  50
  51   Returns:
  52     EFI_SUCCESS           - The mode was set
  53     EFI_DEVICE_ERROR      - The device is not functioning properly.
  54
  55 --*/
  56 struct _EFI_VGA_MINI_PORT_PROTOCOL {
  57   EFI_VGA_MINI_PORT_SET_MODE  SetMode;
  58
  59   UINT64                      VgaMemoryOffset;
  60   UINT64                      CrtcAddressRegisterOffset;
  61   UINT64                      CrtcDataRegisterOffset;
  62
  63   UINT8                       VgaMemoryBar;
  64   UINT8                       CrtcAddressRegisterBar;
  65   UINT8                       CrtcDataRegisterBar;
  66
  67   UINT8                       MaxMode;
  68 };
  69
  70 extern EFI_GUID gEfiVgaMiniPortProtocolGuid;
  71
  72 #endif