IntelFrameworkModulePkg/Include/Protocol/VgaMiniPort.h

   1 /**@file
   2   Vga Mini port binding for a VGA controller
   3
   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
   9
  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.
  12
  13 **/
  14
  15 #ifndef __VGA_MINI_PORT_H_
  16 #define __VGA_MINI_PORT_H_
  17
  18 #define EFI_VGA_MINI_PORT_PROTOCOL_GUID \
  19   { \
  20     0xc7735a2f, 0x88f5, 0x4882, {0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3 } \
  21   }
  22
  23 typedef struct _EFI_VGA_MINI_PORT_PROTOCOL  EFI_VGA_MINI_PORT_PROTOCOL;
  24
  25 typedef
  26 EFI_STATUS
  27 (EFIAPI *EFI_VGA_MINI_PORT_SET_MODE) (
  28   IN EFI_VGA_MINI_PORT_PROTOCOL          * This,
  29   IN UINTN                               ModeNumber
  30   );
  31
  32 /*++
  33
  34   Routine Description:
  35     Sets the text display mode of a VGA controller
  36
  37   Arguments:
  38     This                 - Protocol instance pointer.
  39     Mode                 - Mode number.  0 - 80x25   1-80x50
  40
  41   Returns:
  42     EFI_SUCCESS           - The mode was set
  43     EFI_DEVICE_ERROR      - The device is not functioning properly.
  44
  45 --*/
  46 struct _EFI_VGA_MINI_PORT_PROTOCOL {
  47   EFI_VGA_MINI_PORT_SET_MODE  SetMode;
  48
  49   UINT64                      VgaMemoryOffset;
  50   UINT64                      CrtcAddressRegisterOffset;
  51   UINT64                      CrtcDataRegisterOffset;
  52
  53   UINT8                       VgaMemoryBar;
  54   UINT8                       CrtcAddressRegisterBar;
  55   UINT8                       CrtcDataRegisterBar;
  56
  57   UINT8                       MaxMode;
  58 };
  59
  60 extern EFI_GUID gEfiVgaMiniPortProtocolGuid;
  61
  62 #endif