DuetPkg/PcRtc/Ia32/RealTimeClock.c

   1 /*++
   2
   3 Copyright (c) 2005, 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 Module Name:
  13   Ia32PcRtc.c
  14
  15 Abstract:
  16
  17 --*/
  18 #include "RealTimeClock.h"
  19
  20 static PC_RTC_MODULE_GLOBALS  mModuleGlobal;
  21
  22 EFI_STATUS
  23 EFIAPI
  24 PcRtcEfiGetTime (
  25   OUT EFI_TIME                *Time,
  26   OUT  EFI_TIME_CAPABILITIES  *Capabilities
  27   )
  28 /*++
  29
  30 Routine Description:
  31
  32   TODO: Add function description
  33
  34 Arguments:
  35
  36   Time          - TODO: add argument description
  37   Capabilities  - TODO: add argument description
  38
  39 Returns:
  40
  41   TODO: add return values
  42
  43 --*/
  44 {
  45   return PcRtcGetTime (Time, Capabilities, &mModuleGlobal);
  46 }
  47
  48 EFI_STATUS
  49 EFIAPI
  50 PcRtcEfiSetTime (
  51   IN EFI_TIME                *Time
  52   )
  53 /*++
  54
  55 Routine Description:
  56
  57   TODO: Add function description
  58
  59 Arguments:
  60
  61   Time  - TODO: add argument description
  62
  63 Returns:
  64
  65   TODO: add return values
  66
  67 --*/
  68 {
  69   return PcRtcSetTime (Time, &mModuleGlobal);
  70 }
  71
  72 EFI_STATUS
  73 EFIAPI
  74 PcRtcEfiGetWakeupTime (
  75   OUT BOOLEAN     *Enabled,
  76   OUT BOOLEAN     *Pending,
  77   OUT EFI_TIME    *Time
  78   )
  79 /*++
  80
  81 Routine Description:
  82
  83   TODO: Add function description
  84
  85 Arguments:
  86
  87   Enabled - TODO: add argument description
  88   Pending - TODO: add argument description
  89   Time    - TODO: add argument description
  90
  91 Returns:
  92
  93   TODO: add return values
  94
  95 --*/
  96 {
  97   return PcRtcGetWakeupTime (Enabled, Pending, Time, &mModuleGlobal);
  98 }
  99
 100 EFI_STATUS
 101 EFIAPI
 102 PcRtcEfiSetWakeupTime (
 103   IN BOOLEAN      Enabled,
 104   OUT EFI_TIME    *Time
 105   )
 106 /*++
 107
 108 Routine Description:
 109
 110   TODO: Add function description
 111
 112 Arguments:
 113
 114   Enabled - TODO: add argument description
 115   Time    - TODO: add argument description
 116
 117 Returns:
 118
 119   TODO: add return values
 120
 121 --*/
 122 {
 123   return PcRtcSetWakeupTime (Enabled, Time, &mModuleGlobal);
 124 }
 125
 126 EFI_STATUS
 127 EFIAPI
 128 InitializeRealTimeClock (
 129   IN EFI_HANDLE                            ImageHandle,
 130   IN EFI_SYSTEM_TABLE                      *SystemTable
 131   )
 132 /*++
 133
 134 Routine Description:
 135
 136   Arguments:
 137
 138
 139
 140 Returns:
 141 --*/
 142 // TODO:    ImageHandle - add argument and description to function comment
 143 // TODO:    SystemTable - add argument and description to function comment
 144 {
 145   EFI_STATUS  Status;
 146   EFI_HANDLE  NewHandle;
 147
 148
 149   EfiInitializeLock (&mModuleGlobal.RtcLock, TPL_HIGH_LEVEL);
 150
 151   Status = PcRtcInit (&mModuleGlobal);
 152   if (EFI_ERROR (Status)) {
 153     return Status;
 154   }
 155
 156   SystemTable->RuntimeServices->GetTime       = PcRtcEfiGetTime;
 157   SystemTable->RuntimeServices->SetTime       = PcRtcEfiSetTime;
 158   SystemTable->RuntimeServices->GetWakeupTime = PcRtcEfiGetWakeupTime;
 159   SystemTable->RuntimeServices->SetWakeupTime = PcRtcEfiSetWakeupTime;
 160
 161   NewHandle = NULL;
 162   Status = gBS->InstallMultipleProtocolInterfaces (
 163                   &NewHandle,
 164                   &gEfiRealTimeClockArchProtocolGuid,
 165                   NULL,
 166                   NULL
 167                   );
 168
 169   return Status;
 170 }