ACPI_STATUS
AcpiRemoveFixedEventHandler (
UINT32 Event,
ACPI_EVENT_HANDLER Handler)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (AcpiRemoveFixedEventHandler);
/* Parameter validation */
if (Event > ACPI_EVENT_MAX)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Disable the event before removing the handler */
Status = AcpiDisableEvent (Event, 0);
/* Always Remove the handler */
AcpiGbl_FixedEventHandlers[Event].Handler = NULL;
AcpiGbl_FixedEventHandlers[Event].Context = NULL;
if (ACPI_FAILURE (Status))
{
ACPI_WARNING ((AE_INFO,
"Could not disable fixed event - %s (%u)",
AcpiUtGetEventName (Event), Event));
}
else
{
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"Disabled fixed event - %s (%X)\n",
AcpiUtGetEventName (Event), Event));
}
(void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
return_ACPI_STATUS (Status);
}
void
AcpiEvTerminate (
void)
{
UINT32 i;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (EvTerminate);
if (AcpiGbl_EventsInitialized)
{
/*
* Disable all event-related functionality. In all cases, on error,
* print a message but obviously we don't abort.
*/
/* Disable all fixed events */
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
{
Status = AcpiDisableEvent (i, 0);
if (ACPI_FAILURE (Status))
{
ACPI_ERROR ((AE_INFO,
"Could not disable fixed event %u", (UINT32) i));
}
}
/* Disable all GPEs in all GPE blocks */
Status = AcpiEvWalkGpeList (AcpiHwDisableGpeBlock, NULL);
Status = AcpiEvRemoveGlobalLockHandler ();
if (ACPI_FAILURE(Status))
{
ACPI_ERROR ((AE_INFO,
"Could not remove Global Lock handler"));
}
AcpiGbl_EventsInitialized = FALSE;
}
/* Remove SCI handlers */
Status = AcpiEvRemoveAllSciHandlers ();
if (ACPI_FAILURE(Status))
{
ACPI_ERROR ((AE_INFO,
"Could not remove SCI handler"));
}
/* Deallocate all handler objects installed within GPE info structs */
Status = AcpiEvWalkGpeList (AcpiEvDeleteGpeHandlers, NULL);
/* Return to original mode if necessary */
if (AcpiGbl_OriginalMode == ACPI_SYS_MODE_LEGACY)
{
Status = AcpiDisable ();
if (ACPI_FAILURE (Status))
{
ACPI_WARNING ((AE_INFO, "AcpiDisable failed"));
}
}
return_VOID;
}
void
disable_fixed_event(uint32 event)
{
AcpiDisableEvent(event, 0);
}
ACPI_STATUS
AtFixedEventsCommon(
UINT32 ApiCall,
UINT32 CheckAction,
ACPI_STATUS ExpectedStatus)
{
ACPI_STATUS Status;
UINT32 Event, Flags = 0;
UINT32 i;
char *ApiCallName;
ACPI_EVENT_STATUS EventStatus, *EventStatusPointer = &EventStatus;
Status = AtSubsystemInit(
AAPITS_INI_DEF,
AAPITS_EN_FLAGS, AAPITS_OI_FLAGS, NULL);
if (ACPI_FAILURE(Status))
{
return (Status);
}
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
{
switch (i)
{
case 0:
Event = ACPI_EVENT_PMTIMER;
break;
case 1:
Event = ACPI_EVENT_GLOBAL;
break;
case 2:
Event = ACPI_EVENT_POWER_BUTTON;
break;
case 3:
Event = ACPI_EVENT_SLEEP_BUTTON;
break;
case 4:
Event = ACPI_EVENT_RTC;
break;
default:
TestErrors++;
printf ("Test Error: the number of Fixed Events (%d) too big (should be 5)\n",
ACPI_NUM_FIXED_EVENTS);
return (AE_ERROR);
}
if (CheckAction == 1)
{
Event += ACPI_NUM_FIXED_EVENTS;
}
else if (CheckAction == 2)
{
EventStatusPointer = NULL;
}
switch (ApiCall)
{
case 0:
ApiCallName = "AcpiEnableEvent";
Status = AcpiEnableEvent(Event, Flags);
break;
case 1:
ApiCallName = "AcpiDisableEvent";
Status = AcpiDisableEvent(Event, Flags);
break;
case 2:
ApiCallName = "AcpiClearEvent";
Status = AcpiClearEvent(Event);
break;
case 3:
ApiCallName = "AcpiGetEventStatus";
Status = AcpiGetEventStatus(Event, EventStatusPointer);
break;
default:
TestErrors++;
printf ("Test Error: the ApiCall number (%d) should be in range 0-3\n",
ApiCall);
return (AE_ERROR);
}
if (Status != ExpectedStatus)
{
AapiErrors++;
printf ("Api Error: %s(%d) returned %s, expected %s\n",
ApiCallName, Event, AcpiFormatException(Status),
AcpiFormatException(ExpectedStatus));
if (Status != AE_OK)
{
return (Status);
}
else
{
return (AE_ERROR);
}
}
}
return (AtTerminateCtrlCheck(AE_OK, ALL_STAT));
}