DuetPkg/PcRtc/X64/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   x64PcRtc.c
  14
  15 Abstract:
  16
  17 --*/
  18
  19 #include "RealTimeClock.h"
  20
  21 static PC_RTC_MODULE_GLOBALS  mModuleGlobal;
  22
  23 EFI_STATUS
  24 EFIAPI
  25 PcRtcEfiGetTime (
  26   OUT EFI_TIME                *Time,
  27   OUT  EFI_TIME_CAPABILITIES  *Capabilities
  28   )
  29 /*++
  30
  31 Routine Description:
  32
  33   TODO: Add function description
  34
  35 Arguments:
  36
  37   Time          - TODO: add argument description
  38   Capabilities  - TODO: add argument description
  39
  40 Returns:
  41
  42   TODO: add return values
  43
  44 --*/
  45 {
  46   return PcRtcGetTime (Time, Capabilities, &mModuleGlobal);
  47 }
  48
  49 EFI_STATUS
  50 EFIAPI
  51 PcRtcEfiSetTime (
  52   IN EFI_TIME                *Time
  53   )
  54 /*++
  55
  56 Routine Description:
  57
  58   TODO: Add function description
  59
  60 Arguments:
  61
  62   Time  - TODO: add argument description
  63
  64 Returns:
  65
  66   TODO: add return values
  67
  68 --*/
  69 {
  70   return PcRtcSetTime (Time, &mModuleGlobal);
  71 }
  72
  73 EFI_STATUS
  74 EFIAPI
  75 PcRtcEfiGetWakeupTime (
  76   OUT BOOLEAN     *Enabled,
  77   OUT BOOLEAN     *Pending,
  78   OUT EFI_TIME    *Time
  79   )
  80 /*++
  81
  82 Routine Description:
  83
  84   TODO: Add function description
  85
  86 Arguments:
  87
  88   Enabled - TODO: add argument description
  89   Pending - TODO: add argument description
  90   Time    - TODO: add argument description
  91
  92 Returns:
  93
  94   TODO: add return values
  95
  96 --*/
  97 {
  98   return PcRtcGetWakeupTime (Enabled, Pending, Time, &mModuleGlobal);
  99 }
 100
 101 EFI_STATUS
 102 EFIAPI
 103 PcRtcEfiSetWakeupTime (
 104   IN BOOLEAN      Enabled,
 105   OUT EFI_TIME    *Time
 106   )
 107 /*++
 108
 109 Routine Description:
 110
 111   TODO: Add function description
 112
 113 Arguments:
 114
 115   Enabled - TODO: add argument description
 116   Time    - TODO: add argument description
 117
 118 Returns:
 119
 120   TODO: add return values
 121
 122 --*/
 123 {
 124   return PcRtcSetWakeupTime (Enabled, Time, &mModuleGlobal);
 125 }
 126
 127 EFI_STATUS
 128 EFIAPI
 129 InitializeRealTimeClock (
 130   IN EFI_HANDLE                            ImageHandle,
 131   IN EFI_SYSTEM_TABLE                      *SystemTable
 132   )
 133 /*++
 134
 135 Routine Description:
 136
 137   Arguments:
 138
 139
 140
 141 Returns:
 142 --*/
 143 // TODO:    ImageHandle - add argument and description to function comment
 144 // TODO:    SystemTable - add argument and description to function comment
 145 {
 146   EFI_STATUS  Status;
 147   EFI_HANDLE  NewHandle;
 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 }