store Year/Month/Day to variable in SetWakeupTime() because PCAT RTC Alarm registers has not corresponding Y/M/D alarm register.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11021 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 64 insertions, 26 deletions

diff --git a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
index 6c7e0ca6d7..35eb60ade4 100644
--- a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
+++ b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
@@ -1,7 +1,7 @@
 /** @file

   RTC Architectural Protocol GUID as defined in DxeCis 0.96.

 

-Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>

 This program and the accompanying materials

 are licensed and made available under the terms and conditions of the BSD License

 which accompanies this distribution.  The full text of the license may be found at

@@ -234,6 +234,7 @@ PcRtcInit (
 

 **/

 EFI_STATUS

+EFIAPI

 PcRtcGetTime (

   OUT  EFI_TIME               *Time,

   OUT  EFI_TIME_CAPABILITIES  *Capabilities,  OPTIONAL

@@ -338,6 +339,7 @@ PcRtcGetTime (
 

 **/

 EFI_STATUS

+EFIAPI

 PcRtcSetTime (

   IN EFI_TIME                *Time,

   IN PC_RTC_MODULE_GLOBALS   *Global

@@ -455,6 +457,8 @@ PcRtcGetWakeupTime (
   RTC_REGISTER_B  RegisterB;

   RTC_REGISTER_C  RegisterC;

   UINT8           Century;

+  EFI_TIME        RtcTime;

+  UINTN           DataSize;

 

   //

   // Check parameters for null pointers

@@ -489,36 +493,44 @@ PcRtcGetWakeupTime (
   // Get the Time/Date/Daylight Savings values.

   //

   *Enabled = RegisterB.Bits.Aie;

-  if (*Enabled) {

-    Time->Second  = RtcRead (RTC_ADDRESS_SECONDS_ALARM);

-    Time->Minute  = RtcRead (RTC_ADDRESS_MINUTES_ALARM);

-    Time->Hour    = RtcRead (RTC_ADDRESS_HOURS_ALARM);

-    Time->Day     = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);

-    Time->Month   = RtcRead (RTC_ADDRESS_MONTH);

-    Time->Year    = RtcRead (RTC_ADDRESS_YEAR);

-  } else {

-    Time->Second  = 0;

-    Time->Minute  = 0;

-    Time->Hour    = 0;

-    Time->Day     = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);

-    Time->Month   = RtcRead (RTC_ADDRESS_MONTH);

-    Time->Year    = RtcRead (RTC_ADDRESS_YEAR);

-  }

+  *Pending = RegisterC.Bits.Af;

+

+  Time->Second = RtcRead (RTC_ADDRESS_SECONDS_ALARM);

+  Time->Minute = RtcRead (RTC_ADDRESS_MINUTES_ALARM);

+  Time->Hour   = RtcRead (RTC_ADDRESS_HOURS_ALARM);

+  Time->Day    = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);

+  Time->Month  = RtcRead (RTC_ADDRESS_MONTH);

+  Time->Year   = RtcRead (RTC_ADDRESS_YEAR);

+  Time->TimeZone = Global->SavedTimeZone;

+  Time->Daylight = Global->Daylight;

 

   Century = RtcRead (RTC_ADDRESS_CENTURY);

-  

+

   //

-  // Release RTC Lock.

+  // Get the alarm info from variable

   //

-  if (!EfiAtRuntime ()) {

-    EfiReleaseLock (&Global->RtcLock);

+  Status = EfiGetVariable (

+              L"RTCALARM",

+              &gEfiCallerIdGuid,

+              NULL,

+              &DataSize,

+              &RtcTime

+              );

+  if (!EFI_ERROR (Status)) {

+    //

+    // The alarm variable exists. In this case, we read variable to get info.

+    //

+    Time->Day   = RtcTime.Day;

+    Time->Month = RtcTime.Month;

+    Time->Year  = RtcTime.Year;

   }

 

   //

-  // Get the variable that contains the TimeZone and Daylight fields

+  // Release RTC Lock.

   //

-  Time->TimeZone  = Global->SavedTimeZone;

-  Time->Daylight  = Global->Daylight;

+  if (!EfiAtRuntime ()) {

+    EfiReleaseLock (&Global->RtcLock);

+  }

 

   //

   // Make sure all field values are in correct range

@@ -531,8 +543,6 @@ PcRtcGetWakeupTime (
     return EFI_DEVICE_ERROR;

   }

 

-  *Pending = RegisterC.Bits.Af;

-

   return EFI_SUCCESS;

 }

 

@@ -552,6 +562,7 @@ PcRtcGetWakeupTime (
 

 **/

 EFI_STATUS

+EFIAPI

 PcRtcSetWakeupTime (

   IN BOOLEAN                Enable,

   IN EFI_TIME               *Time,   OPTIONAL

@@ -564,6 +575,8 @@ PcRtcSetWakeupTime (
   UINT8                 Century;

   EFI_TIME_CAPABILITIES Capabilities;

 

+  ZeroMem (RtcTime);

+

   if (Enable) {

 

     if (Time == NULL) {

@@ -631,6 +644,17 @@ PcRtcSetWakeupTime (
 

   } else {

     RegisterB.Bits.Aie = 0;

+    //

+    // if the alarm is disable, record the current setting.

+    //

+    RtcTime.Second  = RtcRead (RTC_ADDRESS_SECONDS_ALARM);

+    RtcTime.Minute  = RtcRead (RTC_ADDRESS_MINUTES_ALARM);

+    RtcTime.Hour    = RtcRead (RTC_ADDRESS_HOURS_ALARM);

+    RtcTime.Day     = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);

+    RtcTime.Month   = RtcRead (RTC_ADDRESS_MONTH);

+    RtcTime.Year    = RtcRead (RTC_ADDRESS_YEAR);

+    RtcTime.TimeZone = Global->SavedTimeZone;

+    RtcTime.Daylight = Global->Daylight;

   }

   //

   // Allow updates of the RTC registers

@@ -639,6 +663,20 @@ PcRtcSetWakeupTime (
   RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);

 

   //

+  // Set the Y/M/D info to variable as it has no corresponding hw registers.

+  //

+  Status =  EfiSetVariable (

+              L"RTCALARM",

+              &gEfiCallerIdGuid,

+              EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,

+              sizeof (RtcTime),

+              &RtcTime

+              );

+  if (EFI_ERROR (Status)) {

+    return EFI_DEVICE_ERROR;

+  }

+

+  //

   // Release RTC Lock.

   //

   if (!EfiAtRuntime ()) {

diff --git a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtcEntry.c b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtcEntry.c
index 03480830e2..16f74b83c9 100644
--- a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtcEntry.c
+++ b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtcEntry.c
@@ -134,7 +134,7 @@ InitializePcRtc (
 {

   EFI_STATUS  Status;

 

-  EfiInitializeLock (&mModuleGlobal.RtcLock, TPL_HIGH_LEVEL);

+  EfiInitializeLock (&mModuleGlobal.RtcLock, TPL_CALLBACK);

 

   Status = PcRtcInit (&mModuleGlobal);

   if (EFI_ERROR (Status)) {