Vlv2TbltDevicePkg/PlatformDxe/SioPlatformPolicy.c

   1 /** @file
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9 Module Name:
  10
  11
  12   SioPlatformPolicy.c
  13
  14 Abstract:
  15
  16   Sio Platform Policy Setting.
  17
  18
  19 --*/
  20
  21 #include "PlatformDxe.h"
  22 #include <Protocol/LpcWpc83627Policy.h>
  23
  24
  25 EFI_WPC83627_POLICY_PROTOCOL  mSio83627PolicyData = {
  26   { EFI_WPC83627_COM1_ENABLE,       // Com1
  27     EFI_WPC83627_LPT1_ENABLE,       // Lpt1
  28     EFI_WPC83627_FDD_DISABLE,       // Floppy
  29     EFI_WPC83627_FDD_WRITE_ENABLE,  // FloppyWriteProtect
  30     EFI_WPC83627_RESERVED_DEFAULT,  // Port80
  31     EFI_WPC83627_ECIR_DISABLE,      // CIR
  32     EFI_WPC83627_PS2_KBC_ENABLE,    // Ps2Keyboard
  33     EFI_WPC83627_RESERVED_DEFAULT,  // Ps2Mouse
  34     EFI_WPC83627_COM2_ENABLE,       // Com2
  35     EFI_WPC83627_COM3_ENABLE,       // Com3
  36     EFI_WPC83627_COM4_ENABLE,       // Com4
  37     EFI_WPC83627_RESERVED_DEFAULT,  // Dac
  38     0x00                            // Rsvd
  39     },
  40   LptModeEcp,                       // LptMode
  41 };
  42
  43 /**
  44
  45   Publish the platform SIO policy setting.
  46
  47   @retval EFI_SUCCESS
  48
  49 **/
  50 VOID
  51 InitSioPlatformPolicy(
  52   )
  53 {
  54
  55   EFI_HANDLE              Handle;
  56   EFI_STATUS              Status;
  57
  58   Handle = NULL;
  59
  60   if((mSystemConfiguration.Serial) || (mBoardFeatures & B_BOARD_FEATURES_SIO_NO_COM1)) {
  61     mSio83627PolicyData.DeviceEnables.Com1 = EFI_WPC83627_COM1_DISABLE;
  62   }
  63
  64   if((mSystemConfiguration.Serial2) || ((mBoardFeatures & B_BOARD_FEATURES_SIO_COM2)==0)) {
  65     mSio83627PolicyData.DeviceEnables.Com2 = EFI_WPC83627_COM2_DISABLE;
  66   }
  67
  68   mSio83627PolicyData.LptMode = mSystemConfiguration.ParallelMode;
  69   if((!mSystemConfiguration.Parallel) || (mBoardFeatures & B_BOARD_FEATURES_SIO_NO_PARALLEL)) {
  70     mSio83627PolicyData.DeviceEnables.Lpt1 = EFI_WPC83627_LPT1_DISABLE;
  71   }
  72
  73   Status = gBS->InstallProtocolInterface (
  74                   &Handle,
  75                   &gEfiLpcWpc83627PolicyProtocolGuid,
  76                   EFI_NATIVE_INTERFACE,
  77                   &mSio83627PolicyData
  78                   );
  79   ASSERT_EFI_ERROR(Status);
  80
  81 }
  82