Import ACPICA 20120320.

3 files changed, 66 insertions, 34 deletions

diff --git a/source/components/hardware/hwesleep.c b/source/components/hardware/hwesleep.c
index e95647e..ce7b792 100644
--- a/source/components/hardware/hwesleep.c
+++ b/source/components/hardware/hwesleep.c
@@ -53,7 +53,7 @@
  *
  * FUNCTION:    AcpiHwExecuteSleepMethod
  *
- * PARAMETERS:  MethodName          - Pathname of method to execute
+ * PARAMETERS:  MethodPathname      - Pathname of method to execute
  *              IntegerArgument     - Argument to pass to the method
  *
  * RETURN:      None
@@ -65,7 +65,7 @@
 
 void
 AcpiHwExecuteSleepMethod (
-    char                    *MethodName,
+    char                    *MethodPathname,
     UINT32                  IntegerArgument)
 {
     ACPI_OBJECT_LIST        ArgList;
@@ -83,11 +83,11 @@ AcpiHwExecuteSleepMethod (
     Arg.Type = ACPI_TYPE_INTEGER;
     Arg.Integer.Value = (UINT64) IntegerArgument;
 
-    Status = AcpiEvaluateObject (NULL, MethodName, &ArgList, NULL);
+    Status = AcpiEvaluateObject (NULL, MethodPathname, &ArgList, NULL);
     if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
     {
         ACPI_EXCEPTION ((AE_INFO, Status, "While executing method %s",
-            MethodName));
+            MethodPathname));
     }
 
     return_VOID;
@@ -99,6 +99,7 @@ AcpiHwExecuteSleepMethod (
  * FUNCTION:    AcpiHwExtendedSleep
  *
  * PARAMETERS:  SleepState          - Which sleep state to enter
+ *              Flags               - ACPI_EXECUTE_GTS to run optional method
  *
  * RETURN:      Status
  *
@@ -110,7 +111,8 @@ AcpiHwExecuteSleepMethod (
 
 ACPI_STATUS
 AcpiHwExtendedSleep (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_STATUS             Status;
     UINT8                   SleepTypeValue;
@@ -138,9 +140,12 @@ AcpiHwExtendedSleep (
 
     AcpiGbl_SystemAwakeAndRunning = FALSE;
 
-    /* Execute the _GTS method (Going To Sleep) */
+    /* Optionally execute _GTS (Going To Sleep) */
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__GTS, SleepState);
+    if (Flags & ACPI_EXECUTE_GTS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__GTS, SleepState);
+    }
 
     /* Flush caches, as per ACPI specification */
 
@@ -186,6 +191,7 @@ AcpiHwExtendedSleep (
  * FUNCTION:    AcpiHwExtendedWakePrep
  *
  * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - ACPI_EXECUTE_BFS to run optional method
  *
  * RETURN:      Status
  *
@@ -196,7 +202,8 @@ AcpiHwExtendedSleep (
 
 ACPI_STATUS
 AcpiHwExtendedWakePrep (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_STATUS             Status;
     UINT8                   SleepTypeValue;
@@ -216,7 +223,12 @@ AcpiHwExtendedWakePrep (
             &AcpiGbl_FADT.SleepControl);
     }
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__BFS, SleepState);
+    /* Optionally execute _BFS (Back From Sleep) */
+
+    if (Flags & ACPI_EXECUTE_BFS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__BFS, SleepState);
+    }
     return_ACPI_STATUS (AE_OK);
 }
 
@@ -226,6 +238,7 @@ AcpiHwExtendedWakePrep (
  * FUNCTION:    AcpiHwExtendedWake
  *
  * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - Reserved, set to zero
  *
  * RETURN:      Status
  *
@@ -236,7 +249,8 @@ AcpiHwExtendedWakePrep (
 
 ACPI_STATUS
 AcpiHwExtendedWake (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_FUNCTION_TRACE (HwExtendedWake);
 
@@ -247,8 +261,8 @@ AcpiHwExtendedWake (
 
     /* Execute the wake methods */
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__SST, ACPI_SST_WAKING);
-    AcpiHwExecuteSleepMethod (METHOD_NAME__WAK, SleepState);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WAKING);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__WAK, SleepState);
 
     /*
      * Some BIOS code assumes that WAK_STS will be cleared on resume
@@ -258,6 +272,6 @@ AcpiHwExtendedWake (
     (void) AcpiWrite (ACPI_X_WAKE_STATUS, &AcpiGbl_FADT.SleepStatus);
     AcpiGbl_SystemAwakeAndRunning = TRUE;
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__SST, ACPI_SST_WORKING);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WORKING);
     return_ACPI_STATUS (AE_OK);
 }
diff --git a/source/components/hardware/hwsleep.c b/source/components/hardware/hwsleep.c
index 0d31143..1953ff8 100644
--- a/source/components/hardware/hwsleep.c
+++ b/source/components/hardware/hwsleep.c
@@ -55,6 +55,7 @@
  * FUNCTION:    AcpiHwLegacySleep
  *
  * PARAMETERS:  SleepState          - Which sleep state to enter
+ *              Flags               - ACPI_EXECUTE_GTS to run optional method
  *
  * RETURN:      Status
  *
@@ -65,7 +66,8 @@
 
 ACPI_STATUS
 AcpiHwLegacySleep (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_BIT_REGISTER_INFO  *SleepTypeRegInfo;
     ACPI_BIT_REGISTER_INFO  *SleepEnableRegInfo;
@@ -128,9 +130,12 @@ AcpiHwLegacySleep (
         return_ACPI_STATUS (Status);
     }
 
-    /* Execute the _GTS method (Going To Sleep) */
+    /* Optionally execute _GTS (Going To Sleep) */
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__GTS, SleepState);
+    if (Flags & ACPI_EXECUTE_GTS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__GTS, SleepState);
+    }
 
     /* Get current value of PM1A control */
 
@@ -228,6 +233,7 @@ AcpiHwLegacySleep (
  * FUNCTION:    AcpiHwLegacyWakePrep
  *
  * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - ACPI_EXECUTE_BFS to run optional method
  *
  * RETURN:      Status
  *
@@ -239,7 +245,8 @@ AcpiHwLegacySleep (
 
 ACPI_STATUS
 AcpiHwLegacyWakePrep (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_STATUS             Status;
     ACPI_BIT_REGISTER_INFO  *SleepTypeRegInfo;
@@ -289,7 +296,12 @@ AcpiHwLegacyWakePrep (
         }
     }
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__BFS, SleepState);
+    /* Optionally execute _BFS (Back From Sleep) */
+
+    if (Flags & ACPI_EXECUTE_BFS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__BFS, SleepState);
+    }
     return_ACPI_STATUS (Status);
 }
 
@@ -299,6 +311,7 @@ AcpiHwLegacyWakePrep (
  * FUNCTION:    AcpiHwLegacyWake
  *
  * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - Reserved, set to zero
  *
  * RETURN:      Status
  *
@@ -309,7 +322,8 @@ AcpiHwLegacyWakePrep (
 
 ACPI_STATUS
 AcpiHwLegacyWake (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_STATUS             Status;
 
@@ -320,7 +334,7 @@ AcpiHwLegacyWake (
     /* Ensure EnterSleepStatePrep -> EnterSleepState ordering */
 
     AcpiGbl_SleepTypeA = ACPI_SLEEP_TYPE_INVALID;
-    AcpiHwExecuteSleepMethod (METHOD_NAME__SST, ACPI_SST_WAKING);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WAKING);
 
     /*
      * GPEs must be enabled before _WAK is called as GPEs
@@ -346,7 +360,7 @@ AcpiHwLegacyWake (
      * Now we can execute _WAK, etc. Some machines require that the GPEs
      * are enabled before the wake methods are executed.
      */
-    AcpiHwExecuteSleepMethod (METHOD_NAME__WAK, SleepState);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__WAK, SleepState);
 
     /*
      * Some BIOS code assumes that WAK_STS will be cleared on resume
@@ -377,7 +391,7 @@ AcpiHwLegacyWake (
         return_ACPI_STATUS (Status);
     }
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__SST, ACPI_SST_WORKING);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WORKING);
     return_ACPI_STATUS (Status);
 }
 
diff --git a/source/components/hardware/hwxfsleep.c b/source/components/hardware/hwxfsleep.c
index 39bf122..b7cbbc8 100644
--- a/source/components/hardware/hwxfsleep.c
+++ b/source/components/hardware/hwxfsleep.c
@@ -52,6 +52,7 @@
 static ACPI_STATUS
 AcpiHwSleepDispatch (
     UINT8                   SleepState,
+    UINT8                   Flags,
     UINT32                  FunctionId);
 
 /*
@@ -252,6 +253,7 @@ ACPI_EXPORT_SYMBOL (AcpiEnterSleepStateS4bios)
 static ACPI_STATUS
 AcpiHwSleepDispatch (
     UINT8                   SleepState,
+    UINT8                   Flags,
     UINT32                  FunctionId)
 {
     ACPI_STATUS             Status;
@@ -267,13 +269,13 @@ AcpiHwSleepDispatch (
     if (AcpiGbl_ReducedHardware ||
         AcpiGbl_FADT.SleepControl.Address)
     {
-        Status = SleepFunctions->ExtendedFunction (SleepState);
+        Status = SleepFunctions->ExtendedFunction (SleepState, Flags);
     }
     else
     {
         /* Legacy sleep */
 
-        Status = SleepFunctions->LegacyFunction (SleepState);
+        Status = SleepFunctions->LegacyFunction (SleepState, Flags);
     }
 
     return (Status);
@@ -283,7 +285,7 @@ AcpiHwSleepDispatch (
      * For the case where reduced-hardware-only code is being generated,
      * we know that only the extended sleep registers are available
      */
-    Status = SleepFunctions->ExtendedFunction (SleepState);
+    Status = SleepFunctions->ExtendedFunction (SleepState, Flags);
     return (Status);
 
 #endif /* !ACPI_REDUCED_HARDWARE */
@@ -318,8 +320,6 @@ AcpiEnterSleepStatePrep (
     ACPI_FUNCTION_TRACE (AcpiEnterSleepStatePrep);
 
 
-    /* _PSW methods could be run here to enable wake-on keyboard, LAN, etc. */
-
     Status = AcpiGetSleepTypeData (SleepState,
                     &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB);
     if (ACPI_FAILURE (Status))
@@ -334,7 +334,7 @@ AcpiEnterSleepStatePrep (
     Arg.Type = ACPI_TYPE_INTEGER;
     Arg.Integer.Value = SleepState;
 
-    Status = AcpiEvaluateObject (NULL, METHOD_NAME__PTS, &ArgList, NULL);
+    Status = AcpiEvaluateObject (NULL, METHOD_PATHNAME__PTS, &ArgList, NULL);
     if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
     {
         return_ACPI_STATUS (Status);
@@ -367,7 +367,7 @@ AcpiEnterSleepStatePrep (
      * Set the system indicators to show the desired sleep state.
      * _SST is an optional method (return no error if not found)
      */
-    AcpiHwExecuteSleepMethod (METHOD_NAME__SST, SstValue);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, SstValue);
     return_ACPI_STATUS (AE_OK);
 }
 
@@ -379,6 +379,7 @@ ACPI_EXPORT_SYMBOL (AcpiEnterSleepStatePrep)
  * FUNCTION:    AcpiEnterSleepState
  *
  * PARAMETERS:  SleepState          - Which sleep state to enter
+ *              Flags               - ACPI_EXECUTE_GTS to run optional method
  *
  * RETURN:      Status
  *
@@ -389,7 +390,8 @@ ACPI_EXPORT_SYMBOL (AcpiEnterSleepStatePrep)
 
 ACPI_STATUS
 AcpiEnterSleepState (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_STATUS             Status;
 
@@ -405,7 +407,7 @@ AcpiEnterSleepState (
         return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
     }
 
-    Status = AcpiHwSleepDispatch (SleepState, ACPI_SLEEP_FUNCTION_ID);
+    Status = AcpiHwSleepDispatch (SleepState, Flags, ACPI_SLEEP_FUNCTION_ID);
     return_ACPI_STATUS (Status);
 }
 
@@ -417,6 +419,7 @@ ACPI_EXPORT_SYMBOL (AcpiEnterSleepState)
  * FUNCTION:    AcpiLeaveSleepStatePrep
  *
  * PARAMETERS:  SleepState          - Which sleep state we are exiting
+ *              Flags               - ACPI_EXECUTE_BFS to run optional method
  *
  * RETURN:      Status
  *
@@ -429,7 +432,8 @@ ACPI_EXPORT_SYMBOL (AcpiEnterSleepState)
 
 ACPI_STATUS
 AcpiLeaveSleepStatePrep (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_STATUS             Status;
 
@@ -437,7 +441,7 @@ AcpiLeaveSleepStatePrep (
     ACPI_FUNCTION_TRACE (AcpiLeaveSleepStatePrep);
 
 
-    Status = AcpiHwSleepDispatch (SleepState, ACPI_WAKE_PREP_FUNCTION_ID);
+    Status = AcpiHwSleepDispatch (SleepState, Flags, ACPI_WAKE_PREP_FUNCTION_ID);
     return_ACPI_STATUS (Status);
 }
 
@@ -467,7 +471,7 @@ AcpiLeaveSleepState (
     ACPI_FUNCTION_TRACE (AcpiLeaveSleepState);
 
 
-    Status = AcpiHwSleepDispatch (SleepState, ACPI_WAKE_FUNCTION_ID);
+    Status = AcpiHwSleepDispatch (SleepState, 0, ACPI_WAKE_FUNCTION_ID);
     return_ACPI_STATUS (Status);
 }