ACPI_STATUS AcpiHwDisableAllGpes ( void) { ACPI_STATUS Status; ACPI_FUNCTION_TRACE (HwDisableAllGpes); Status = AcpiEvWalkGpeList (AcpiHwDisableGpeBlock, NULL); Status = AcpiEvWalkGpeList (AcpiHwClearGpeBlock, NULL); return_ACPI_STATUS (Status); }
ACPI_STATUS AcpiUpdateAllGpes ( void) { ACPI_STATUS Status; ACPI_FUNCTION_TRACE (AcpiUpdateAllGpes); Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } if (AcpiGbl_AllGpesInitialized) { goto UnlockAndExit; } Status = AcpiEvWalkGpeList (AcpiEvInitializeGpeBlock, NULL); if (ACPI_SUCCESS (Status)) { AcpiGbl_AllGpesInitialized = TRUE; } UnlockAndExit: (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS); return_ACPI_STATUS (Status); }
ACPI_STATUS AcpiHwClearAcpiStatus ( void) { ACPI_STATUS Status; ACPI_CPU_FLAGS LockFlags = 0; ACPI_FUNCTION_TRACE (HwClearAcpiStatus); ACPI_DEBUG_PRINT ((ACPI_DB_IO, "About to write %04X to %8.8X%8.8X\n", ACPI_BITMASK_ALL_FIXED_STATUS, ACPI_FORMAT_UINT64 (AcpiGbl_XPm1aStatus.Address))); LockFlags = AcpiOsAcquireLock (AcpiGbl_HardwareLock); /* Clear the fixed events in PM1 A/B */ Status = AcpiHwRegisterWrite (ACPI_REGISTER_PM1_STATUS, ACPI_BITMASK_ALL_FIXED_STATUS); if (ACPI_FAILURE (Status)) { goto UnlockAndExit; } /* Clear the GPE Bits in all GPE registers in all GPE blocks */ Status = AcpiEvWalkGpeList (AcpiHwClearGpeBlock, NULL); UnlockAndExit: AcpiOsReleaseLock (AcpiGbl_HardwareLock, LockFlags); return_ACPI_STATUS (Status); }
ACPI_STATUS AcpiHwEnableAllWakeupGpes ( void) { ACPI_STATUS Status; ACPI_FUNCTION_TRACE (HwEnableAllWakeupGpes); Status = AcpiEvWalkGpeList (AcpiHwEnableWakeupGpeBlock, NULL); return_ACPI_STATUS (Status); }
ACPI_STATUS AcpiUpdateAllGpes ( void) { ACPI_STATUS Status; BOOLEAN IsPollingNeeded = FALSE; ACPI_FUNCTION_TRACE (AcpiUpdateAllGpes); Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } if (AcpiGbl_AllGpesInitialized) { goto UnlockAndExit; } Status = AcpiEvWalkGpeList (AcpiEvInitializeGpeBlock, &IsPollingNeeded); if (ACPI_SUCCESS (Status)) { AcpiGbl_AllGpesInitialized = TRUE; } UnlockAndExit: (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS); if (IsPollingNeeded && AcpiGbl_AllGpesInitialized) { /* Poll GPEs to handle already triggered events */ AcpiEvGpeDetect (AcpiGbl_GpeXruptListHead); } return_ACPI_STATUS (Status); }
ACPI_STATUS AcpiGetGpeDevice ( UINT32 Index, ACPI_HANDLE *GpeDevice) { ACPI_GPE_DEVICE_INFO Info; ACPI_STATUS Status; ACPI_FUNCTION_TRACE (AcpiGetGpeDevice); if (!GpeDevice) { return_ACPI_STATUS (AE_BAD_PARAMETER); } if (Index >= AcpiCurrentGpeCount) { return_ACPI_STATUS (AE_NOT_EXIST); } /* Setup and walk the GPE list */ Info.Index = Index; Info.Status = AE_NOT_EXIST; Info.GpeDevice = NULL; Info.NextBlockBaseIndex = 0; Status = AcpiEvWalkGpeList (AcpiEvGetGpeDevice, &Info); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } *GpeDevice = ACPI_CAST_PTR (ACPI_HANDLE, Info.GpeDevice); return_ACPI_STATUS (Info.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; }