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 /**
  26   Sets the text display mode of a VGA controller
  27
  28   @param This             Protocol instance pointer.
  29   @param Mode             Mode number.  0 - 80x25   1-80x50
  30
  31   @retval EFI_SUCCESS            The mode was set
  32   @retval EFI_DEVICE_ERROR       The device is not functioning properly.
  33
  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 struct _EFI_VGA_MINI_PORT_PROTOCOL {
  43   EFI_VGA_MINI_PORT_SET_MODE  SetMode;
  44
  45   UINT64                      VgaMemoryOffset;
  46   UINT64                      CrtcAddressRegisterOffset;
  47   UINT64                      CrtcDataRegisterOffset;
  48
  49   UINT8                       VgaMemoryBar;
  50   UINT8                       CrtcAddressRegisterBar;
  51   UINT8                       CrtcDataRegisterBar;
  52
  53   UINT8                       MaxMode;
  54 };
  55
  56 extern EFI_GUID gEfiVgaMiniPortProtocolGuid;
  57
  58 #endif