static ACPI_STATUS
AcpiNsRepair_TSS (
ACPI_EVALUATE_INFO *Info,
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
{
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
ACPI_STATUS Status;
ACPI_NAMESPACE_NODE *Node;
/*
* We can only sort the _TSS return package if there is no _PSS in the
* same scope. This is because if _PSS is present, the ACPI specification
* dictates that the _TSS Power Dissipation field is to be ignored, and
* therefore some BIOSs leave garbage values in the _TSS Power field(s).
* In this case, it is best to just return the _TSS package as-is.
* (May, 2011)
*/
Status = AcpiNsGetNode (Info->Node, "^_PSS",
ACPI_NS_NO_UPSEARCH, &Node);
if (ACPI_SUCCESS (Status))
{
return (AE_OK);
}
Status = AcpiNsCheckSortedList (Info, ReturnObject, 0, 5, 1,
ACPI_SORT_DESCENDING, "PowerDissipation");
return (Status);
}
static ACPI_STATUS
AcpiNsRepair_PSS (
ACPI_EVALUATE_INFO *Info,
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
{
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
ACPI_OPERAND_OBJECT **OuterElements;
UINT32 OuterElementCount;
ACPI_OPERAND_OBJECT **Elements;
ACPI_OPERAND_OBJECT *ObjDesc;
UINT32 PreviousValue;
ACPI_STATUS Status;
UINT32 i;
/*
* Entries (subpackages) in the _PSS Package must be sorted by power
* dissipation, in descending order. If it appears that the list is
* incorrectly sorted, sort it. We sort by CpuFrequency, since this
* should be proportional to the power.
*/
Status = AcpiNsCheckSortedList (Info, ReturnObject, 0, 6, 0,
ACPI_SORT_DESCENDING, "CpuFrequency");
if (ACPI_FAILURE (Status))
{
return (Status);
}
/*
* We now know the list is correctly sorted by CPU frequency. Check if
* the power dissipation values are proportional.
*/
PreviousValue = ACPI_UINT32_MAX;
OuterElements = ReturnObject->Package.Elements;
OuterElementCount = ReturnObject->Package.Count;
for (i = 0; i < OuterElementCount; i++)
{
Elements = (*OuterElements)->Package.Elements;
ObjDesc = Elements[1]; /* Index1 = PowerDissipation */
if ((UINT32) ObjDesc->Integer.Value > PreviousValue)
{
ACPI_WARN_PREDEFINED ((AE_INFO,
Info->FullPathname, Info->NodeFlags,
"SubPackage[%u,%u] - suspicious power dissipation values",
i-1, i));
}
PreviousValue = (UINT32) ObjDesc->Integer.Value;
OuterElements++;
}
return (AE_OK);
}
static ACPI_STATUS
AcpiNsRepair_ALR (
ACPI_EVALUATE_INFO *Info,
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
{
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
ACPI_STATUS Status;
Status = AcpiNsCheckSortedList (Info, ReturnObject, 0, 2, 1,
ACPI_SORT_ASCENDING, "AmbientIlluminance");
return (Status);
}
static ACPI_STATUS
AcpiNsRepair_ALR (
ACPI_PREDEFINED_DATA *Data,
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
{
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
ACPI_STATUS Status;
Status = AcpiNsCheckSortedList (Data, ReturnObject, 2, 1,
ACPI_SORT_ASCENDING, "AmbientIlluminance");
return (Status);
}
static ACPI_STATUS
AcpiNsRepair_TSS (
ACPI_PREDEFINED_DATA *Data,
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
{
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
ACPI_STATUS Status;
Status = AcpiNsCheckSortedList (Data, ReturnObject, 5, 1,
ACPI_SORT_DESCENDING, "PowerDissipation");
return (Status);
}
static ACPI_STATUS
AcpiNsRepair_CST (
ACPI_EVALUATE_INFO *Info,
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
{
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
ACPI_OPERAND_OBJECT **OuterElements;
UINT32 OuterElementCount;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_STATUS Status;
BOOLEAN Removing;
UINT32 i;
ACPI_FUNCTION_NAME (NsRepair_CST);
/*
* Check if the C-state type values are proportional.
*/
OuterElementCount = ReturnObject->Package.Count - 1;
i = 0;
while (i < OuterElementCount)
{
OuterElements = &ReturnObject->Package.Elements[i + 1];
Removing = FALSE;
if ((*OuterElements)->Package.Count == 0)
{
ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
"SubPackage[%u] - removing entry due to zero count", i));
Removing = TRUE;
goto RemoveElement;
}
ObjDesc = (*OuterElements)->Package.Elements[1]; /* Index1 = Type */
if ((UINT32) ObjDesc->Integer.Value == 0)
{
ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, Info->NodeFlags,
"SubPackage[%u] - removing entry due to invalid Type(0)", i));
Removing = TRUE;
}
RemoveElement:
if (Removing)
{
AcpiNsRemoveElement (ReturnObject, i + 1);
OuterElementCount--;
}
else
{
i++;
}
}
/* Update top-level package count, Type "Integer" checked elsewhere */
ObjDesc = ReturnObject->Package.Elements[0];
ObjDesc->Integer.Value = OuterElementCount;
/*
* Entries (subpackages) in the _CST Package must be sorted by the
* C-state type, in ascending order.
*/
Status = AcpiNsCheckSortedList (Info, ReturnObject, 1, 4, 1,
ACPI_SORT_ASCENDING, "C-State Type");
if (ACPI_FAILURE (Status))
{
return (Status);
}
return (AE_OK);
}
