EdkCompatibilityPkg/Foundation/Protocol/VgaMiniPort/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 --*/
  22
  23 #ifndef _VGA_MINI_PORT_H
  24 #define _VGA_MINI_PORT_H
  25
  26 #define EFI_VGA_MINI_PORT_PROTOCOL_GUID \
  27   { \
  28     0xc7735a2f, 0x88f5, 0x4882, 0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3 \
  29   }
  30
  31 EFI_FORWARD_DECLARATION (EFI_VGA_MINI_PORT_PROTOCOL);
  32
  33 typedef
  34 EFI_STATUS
  35 (EFIAPI *EFI_VGA_MINI_PORT_SET_MODE) (
  36   IN EFI_VGA_MINI_PORT_PROTOCOL          * This,
  37   IN UINTN                               ModeNumber
  38   );
  39
  40 /*++
  41
  42   Routine Description:
  43     Sets the text display mode of a VGA controller
  44
  45   Arguments:
  46     This                 - Protocol instance pointer.
  47     Mode                 - Mode number.  0 - 80x25   1-80x50
  48
  49   Returns:
  50     EFI_SUCCESS           - The mode was set
  51     EFI_DEVICE_ERROR      - The device is not functioning properly.
  52
  53 --*/
  54 typedef struct _EFI_VGA_MINI_PORT_PROTOCOL {
  55   EFI_VGA_MINI_PORT_SET_MODE  SetMode;
  56
  57   UINT64                      VgaMemoryOffset;
  58   UINT64                      CrtcAddressRegisterOffset;
  59   UINT64                      CrtcDataRegisterOffset;
  60
  61   UINT8                       VgaMemoryBar;
  62   UINT8                       CrtcAddressRegisterBar;
  63   UINT8                       CrtcDataRegisterBar;
  64
  65   UINT8                       MaxMode;
  66 } EFI_VGA_MINI_PORT_PROTOCOL;
  67
  68 extern EFI_GUID gEfiVgaMiniPortProtocolGuid;
  69
  70 #endif