ACPI_STATUS
AcpiGetGpeStatus (
ACPI_HANDLE GpeDevice,
UINT32 GpeNumber,
ACPI_EVENT_STATUS *EventStatus)
{
ACPI_STATUS Status = AE_OK;
ACPI_GPE_EVENT_INFO *GpeEventInfo;
ACPI_CPU_FLAGS Flags;
ACPI_FUNCTION_TRACE (AcpiGetGpeStatus);
Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
/* Ensure that we have a valid GPE number */
GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
if (!GpeEventInfo)
{
Status = AE_BAD_PARAMETER;
goto UnlockAndExit;
}
/* Obtain status on the requested GPE number */
Status = AcpiHwGetGpeStatus (GpeEventInfo, EventStatus);
UnlockAndExit:
AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiGetGpeStatus (
ACPI_HANDLE GpeDevice,
UINT32 GpeNumber,
UINT32 Flags,
ACPI_EVENT_STATUS *EventStatus)
{
ACPI_STATUS Status = AE_OK;
ACPI_GPE_EVENT_INFO *GpeEventInfo;
ACPI_FUNCTION_TRACE (AcpiGetGpeStatus);
/* Use semaphore lock if not executing at interrupt level */
if (Flags & ACPI_NOT_ISR)
{
Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/* Ensure that we have a valid GPE number */
GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
if (!GpeEventInfo)
{
Status = AE_BAD_PARAMETER;
goto UnlockAndExit;
}
/* Obtain status on the requested GPE number */
Status = AcpiHwGetGpeStatus (GpeEventInfo, EventStatus);
UnlockAndExit:
if (Flags & ACPI_NOT_ISR)
{
(void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
}
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiGetEventStatus (
UINT32 Event,
UINT32 Type,
ACPI_EVENT_STATUS *EventStatus)
{
ACPI_STATUS Status = AE_OK;
UINT32 RegisterId;
FUNCTION_TRACE ("AcpiGetEventStatus");
/* Ensure that ACPI has been initialized */
ACPI_IS_INITIALIZATION_COMPLETE (Status);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
if (!EventStatus)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* The Type must be either Fixed AcpiEvent or GPE */
switch (Type)
{
case ACPI_EVENT_FIXED:
/* Decode the Fixed AcpiEvent */
switch (Event)
{
case ACPI_EVENT_PMTIMER:
RegisterId = TMR_STS;
break;
case ACPI_EVENT_GLOBAL:
RegisterId = GBL_STS;
break;
case ACPI_EVENT_POWER_BUTTON:
RegisterId = PWRBTN_STS;
break;
case ACPI_EVENT_SLEEP_BUTTON:
RegisterId = SLPBTN_STS;
break;
case ACPI_EVENT_RTC:
RegisterId = RTC_STS;
break;
default:
return_ACPI_STATUS (AE_BAD_PARAMETER);
break;
}
/* Get the status of the requested fixed event */
*EventStatus = AcpiHwRegisterBitAccess (ACPI_READ, ACPI_MTX_LOCK, RegisterId);
break;
case ACPI_EVENT_GPE:
/* Ensure that we have a valid GPE number */
if ((Event > ACPI_GPE_MAX) ||
(AcpiGbl_GpeValid[Event] == ACPI_GPE_INVALID))
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Obtain status on the requested GPE number */
AcpiHwGetGpeStatus (Event, EventStatus);
break;
default:
Status = AE_BAD_PARAMETER;
}
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiGetEventStatus (
UINT32 Event,
UINT32 Type,
ACPI_EVENT_STATUS *EventStatus)
{
ACPI_STATUS Status = AE_OK;
ACPI_GPE_EVENT_INFO *GpeEventInfo;
ACPI_FUNCTION_TRACE ("AcpiGetEventStatus");
if (!EventStatus)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* The Type must be either Fixed Event or GPE */
switch (Type)
{
case ACPI_EVENT_FIXED:
/* Decode the Fixed Event */
if (Event > ACPI_EVENT_MAX)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Get the status of the requested fixed event */
Status = AcpiGetRegister (AcpiGbl_FixedEventInfo[Event].StatusRegisterId,
EventStatus, ACPI_MTX_LOCK);
break;
case ACPI_EVENT_GPE:
/* Ensure that we have a valid GPE number */
GpeEventInfo = AcpiEvGetGpeEventInfo (Event);
if (!GpeEventInfo)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Obtain status on the requested GPE number */
Status = AcpiHwGetGpeStatus (Event, EventStatus);
break;
default:
Status = AE_BAD_PARAMETER;
}
return_ACPI_STATUS (Status);
}