Vlv2TbltDevicePkg/PlatformDxe/SioPlatformPolicy.c

   1 /** @file
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   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 Module Name:
  15
  16
  17   SioPlatformPolicy.c
  18
  19 Abstract:
  20
  21   Sio Platform Policy Setting.
  22
  23
  24 --*/
  25
  26 #include "PlatformDxe.h"
  27 #include <Protocol/LpcWpc83627Policy.h>
  28
  29
  30 EFI_WPC83627_POLICY_PROTOCOL  mSio83627PolicyData = {
  31   { EFI_WPC83627_COM1_ENABLE,       // Com1
  32     EFI_WPC83627_LPT1_ENABLE,       // Lpt1
  33     EFI_WPC83627_FDD_DISABLE,       // Floppy
  34     EFI_WPC83627_FDD_WRITE_ENABLE,  // FloppyWriteProtect
  35     EFI_WPC83627_RESERVED_DEFAULT,  // Port80
  36     EFI_WPC83627_ECIR_DISABLE,      // CIR
  37     EFI_WPC83627_PS2_KBC_ENABLE,    // Ps2Keyboard
  38     EFI_WPC83627_RESERVED_DEFAULT,  // Ps2Mouse
  39     EFI_WPC83627_COM2_ENABLE,       // Com2
  40     EFI_WPC83627_COM3_ENABLE,       // Com3
  41     EFI_WPC83627_COM4_ENABLE,       // Com4
  42     EFI_WPC83627_RESERVED_DEFAULT,  // Dac
  43     0x00                            // Rsvd
  44     },
  45   LptModeEcp,                       // LptMode
  46 };
  47
  48 /**
  49
  50   Publish the platform SIO policy setting.
  51
  52   @retval EFI_SUCCESS
  53
  54 **/
  55 VOID
  56 InitSioPlatformPolicy(
  57   )
  58 {
  59
  60   EFI_HANDLE              Handle;
  61   EFI_STATUS              Status;
  62
  63   Handle = NULL;
  64
  65   if((mSystemConfiguration.Serial) || (mBoardFeatures & B_BOARD_FEATURES_SIO_NO_COM1)) {
  66     mSio83627PolicyData.DeviceEnables.Com1 = EFI_WPC83627_COM1_DISABLE;
  67   }
  68
  69   if((mSystemConfiguration.Serial2) || ((mBoardFeatures & B_BOARD_FEATURES_SIO_COM2)==0)) {
  70     mSio83627PolicyData.DeviceEnables.Com2 = EFI_WPC83627_COM2_DISABLE;
  71   }
  72
  73   mSio83627PolicyData.LptMode = mSystemConfiguration.ParallelMode;
  74   if((!mSystemConfiguration.Parallel) || (mBoardFeatures & B_BOARD_FEATURES_SIO_NO_PARALLEL)) {
  75     mSio83627PolicyData.DeviceEnables.Lpt1 = EFI_WPC83627_LPT1_DISABLE;
  76   }
  77
  78   Status = gBS->InstallProtocolInterface (
  79                   &Handle,
  80                   &gEfiLpcWpc83627PolicyProtocolGuid,
  81                   EFI_NATIVE_INTERFACE,
  82                   &mSio83627PolicyData
  83                   );
  84   ASSERT_EFI_ERROR(Status);
  85
  86 }
  87