void tegra_audiofx_destroyfx(struct tegra_audio_data *audio_context) { FxNotifier *m_FxNotifier = (FxNotifier*)&audio_context->m_FxNotifier; if (m_FxNotifier->Connected) { m_FxNotifier->Exit = 1; NvOsSemaphoreSignal(m_FxNotifier->hTransportSemaphore); NvOsThreadJoin(m_FxNotifier->hTransportThread); m_FxNotifier->hTransportThread = 0; tegra_transport_set_property( (NvAudioFxObjectHandle)m_FxNotifier->hNotifier, NvAudioFxNotifierProperty_Disconnect, 0, 0); } if (m_FxNotifier->hTransport) { NvRmTransportClose(m_FxNotifier->hTransport); m_FxNotifier->hTransport = 0; } if (m_FxNotifier->hNotifier) { tegra_transport_mixer_destroy_object( (NvAudioFxObjectHandle)m_FxNotifier->hNotifier); m_FxNotifier->hNotifier = 0; } if (m_FxNotifier->hTransportSemaphore) { NvOsSemaphoreDestroy(m_FxNotifier->hTransportSemaphore); m_FxNotifier->hTransportSemaphore = 0; } return; }
static void nvec_battery_remove(struct nvec_device *pdev) { unsigned int i = 0; if (batt_dev) { batt_dev->exitThread = NV_TRUE; if (batt_dev->hOdmSemaphore) { NvOsSemaphoreSignal(batt_dev->hOdmSemaphore); NvOsSemaphoreDestroy(batt_dev->hOdmSemaphore); batt_dev->hOdmSemaphore = NULL; } if (batt_dev->hBattEventThread) { NvOsThreadJoin(batt_dev->hBattEventThread); } if (batt_dev->hOdmBattDev) { device_remove_file(&pdev->dev, &tegra_battery_attr); device_remove_file(&pdev->dev, &tegra_battery_version); //Daniel 20100823, put ec version to fs del_timer_sync(&(batt_dev->battery_poll_timer)); NvOdmBatteryDeviceClose(batt_dev->hOdmBattDev); batt_dev->hOdmBattDev = NULL; for (i = 0; i < ARRAY_SIZE(tegra_power_supplies); i++) { power_supply_unregister(&tegra_power_supplies[i]); } } kfree(batt_dev); batt_dev = NULL; } }
static void PmuThreadTerminate(NvRmPmu* pPmu) { /* * Request thread abort, signal semaphore to make sure the thread is * awaken and wait for its self-termination. Do nothing if invalid PMU * structure */ if (pPmu) { if (pPmu->hSemaphore && pPmu->hThread) { pPmu->AbortThread = NV_TRUE; NvOsSemaphoreSignal(pPmu->hSemaphore); NvOsThreadJoin(pPmu->hThread); } pPmu->AbortThread = NV_FALSE; } }
void tegra_transport_deinit(void) { if (!atrans) goto EXIT; spin_lock(&atrans->lock); atrans->RefCount--; if (atrans->RefCount > 0){ spin_unlock(&atrans->lock); goto EXIT; } spin_unlock(&atrans->lock); atrans->ShutDown = 1; if (atrans->hRmTransport) { NvRmTransportClose(atrans->hRmTransport); atrans->hRmTransport = 0; atrans->TransportConnected = 0; } if (atrans->hServiceThread) { NvOsSemaphoreSignal(atrans->hServiceSema); NvOsThreadJoin(atrans->hServiceThread); atrans->hServiceThread = 0; } if (atrans->hServiceSema) { NvOsSemaphoreDestroy(atrans->hServiceSema); atrans->hServiceSema = 0; } atrans->hRmDevice = 0; kfree(atrans); atrans = 0; EXIT: return; }
static void nvec_battery_remove(struct nvec_device *pdev) { unsigned int i = 0; if (batt_dev) { batt_dev->exitThread = NV_TRUE; if (batt_dev->hOdmSemaphore) { NvOsSemaphoreSignal(batt_dev->hOdmSemaphore); NvOsSemaphoreDestroy(batt_dev->hOdmSemaphore); batt_dev->hOdmSemaphore = NULL; } if (batt_dev->hBattEventThread) { NvOsThreadJoin(batt_dev->hBattEventThread); } if (batt_dev->hBattEventMutex) { NvOsMutexDestroy(batt_dev->hBattEventMutex); batt_dev->hBattEventMutex = NULL; } if (batt_dev->hOdmBattDev) { device_remove_file(&pdev->dev, &tegra_battery_attr); NvOdmBatteryDeviceClose(batt_dev->hOdmBattDev); batt_dev->hOdmBattDev = NULL; for (i = 0; i < ARRAY_SIZE(tegra_power_supplies); i++) { power_supply_unregister(&tegra_power_supplies[i]); } } kfree(batt_dev); batt_dev = NULL; } }
void NvEcClose(NvEcHandle hEc) { NvEcPrivState *ec; NvBool destroy = NV_FALSE; if ( NULL == hEc ) return; NV_ASSERT( s_refcount ); ec = hEc->ec; NvOsMutexLock( ec->mutex ); // FIXME: handle client still with outstanding event types if ( !--s_refcount ) { NvEcPrivDeinitHook(ec->hEc); NV_ASSERT( NULL == ec->eventReg[hEc->tag].regBegin && NULL == ec->eventReg[hEc->tag].regEnd ); NV_ASSERT( NULL == ec->requestBegin && NULL == ec->requestEnd ); NV_ASSERT( NULL == ec->responseBegin && NULL == ec->responseEnd ); ec->exitPingThread = NV_TRUE; NvOsSemaphoreSignal( ec->hPingSema ); NvOsThreadJoin( ec->hPingThread ); ec->exitThread = NV_TRUE; NvOsSemaphoreSignal( ec->sema ); NvOsThreadJoin( ec->thread ); NvEcTransportClose( ec->transport ); NvOsMutexDestroy( ec->requestMutex ); NvOsMutexDestroy( ec->responseMutex ); NvOsMutexDestroy( ec->eventMutex ); NvOsSemaphoreDestroy( ec->sema ); NvOsSemaphoreDestroy( ec->hPingSema ); NvOsSemaphoreDestroy( ec->LowPowerEntrySema ); NvOsSemaphoreDestroy( ec->LowPowerExitSema ); destroy = NV_TRUE; NvOsFree( ec->eventNodes ); NvOsFree( ec->hEc ); } // Set this flag as FALSE to indicate power is disabled ec->powerState = NV_FALSE; NV_ASSERT( hEc->tag < NVEC_MAX_REQUESTOR_TAG ); ec->tagAllocated[hEc->tag] = NV_FALSE; // to be recycled NvOsFree( hEc ); NvOsMutexUnlock( ec->mutex ); if ( destroy ) { NvOsMutexDestroy( ec->mutex ); NvOsMemset( ec, 0, sizeof(NvEcPrivState) ); ec->mutex = NULL; } }
NvError NvEcOpen(NvEcHandle *phEc, NvU32 InstanceId) { NvEc *hEc = NULL; NvU32 i; NvEcPrivState *ec = &g_ec; NvOsMutexHandle mutex = NULL; NvError e = NvSuccess; NV_ASSERT( phEc ); if ( NULL == ec->mutex ) { e = NvOsMutexCreate(&mutex); if (NvSuccess != e) return e; if (0 != NvOsAtomicCompareExchange32((NvS32*)&ec->mutex, 0, (NvS32)mutex) ) NvOsMutexDestroy( mutex ); } NvOsMutexLock(ec->mutex); if ( !s_refcount ) { mutex = ec->mutex; NvOsMemset( ec, 0, sizeof(NvEcPrivState) ); ec->mutex = mutex; NV_CHECK_ERROR_CLEANUP( NvOsMutexCreate( &ec->requestMutex )); NV_CHECK_ERROR_CLEANUP( NvOsMutexCreate( &ec->responseMutex )); NV_CHECK_ERROR_CLEANUP( NvOsMutexCreate( &ec->eventMutex )); NV_CHECK_ERROR_CLEANUP( NvOsSemaphoreCreate( &ec->sema, 0)); NV_CHECK_ERROR_CLEANUP( NvOsSemaphoreCreate( &ec->LowPowerEntrySema, 0)); NV_CHECK_ERROR_CLEANUP( NvOsSemaphoreCreate( &ec->LowPowerExitSema, 0)); NV_CHECK_ERROR_CLEANUP( NvEcTransportOpen( &ec->transport, InstanceId, ec->sema, 0 ) ); } // Set this flag as TRUE to indicate power is enabled ec->powerState = NV_TRUE; // create private handle for internal communications between NvEc driver // and EC if ( !s_refcount ) { ec->hEc = NvOsAlloc( sizeof(NvEc) ); if ( NULL == ec->hEc ) goto clean; // reserve the zero tag for internal use by the nvec driver; this ensures // that the driver always has a requestor tag available and can therefore // always talk to the EC ec->tagAllocated[0] = NV_TRUE; ec->hEc->ec = ec; ec->hEc->tag = 0; NV_CHECK_ERROR_CLEANUP(NvOsSemaphoreCreate(&ec->hPingSema, 0)); // perform startup operations before mutex is unlocked NV_CHECK_ERROR_CLEANUP( NvEcPrivInitHook(ec->hEc) ); // start thread to send "pings" - no-op commands to keep EC "alive" NV_CHECK_ERROR_CLEANUP(NvOsThreadCreate( (NvOsThreadFunction)NvEcPrivPingThread, ec, &ec->hPingThread)); } hEc = NvOsAlloc( sizeof(NvEc) ); if ( NULL == hEc ) goto clean; NvOsMemset(hEc, 0x00, sizeof(NvEc)); hEc->ec = ec; hEc->tag = NVEC_REQUESTOR_TAG_INVALID; for ( i = 0; i < NVEC_MAX_REQUESTOR_TAG; i++ ) { if ( !ec->tagAllocated[i] ) { ec->tagAllocated[i] = NV_TRUE; hEc->tag = i; break; } } if ( NVEC_REQUESTOR_TAG_INVALID == hEc->tag ) goto clean; // run out of tag, clean it up! *phEc = hEc; s_refcount++; NvOsMutexUnlock( ec->mutex ); ec->IsEcActive = NV_FALSE; return NvSuccess; clean: NvOsFree( hEc ); NvOsMutexUnlock( ec->mutex ); return NvError_InsufficientMemory; fail: if (!s_refcount) { ec->exitPingThread = NV_TRUE; if (ec->hPingSema) NvOsSemaphoreSignal( ec->hPingSema ); NvOsThreadJoin( ec->hPingThread ); NvOsSemaphoreDestroy(ec->hPingSema); ec->exitThread = NV_TRUE; if (ec->sema) NvOsSemaphoreSignal( ec->sema ); NvOsThreadJoin( ec->thread ); NvOsFree( ec->hEc ); if ( ec->transport ) NvEcTransportClose( ec->transport ); NvOsMutexDestroy( ec->requestMutex ); NvOsMutexDestroy( ec->responseMutex ); NvOsMutexDestroy( ec->eventMutex ); NvOsSemaphoreDestroy( ec->sema ); NvOsSemaphoreDestroy( ec->LowPowerEntrySema ); NvOsSemaphoreDestroy( ec->LowPowerExitSema ); if ( ec->mutex ) { NvOsMutexUnlock( ec->mutex ); // Destroying of this mutex here is not safe, if another thread is // waiting on this mutex, it can cause issues. We shold have // serialized Init/DeInit calls for creating and destroying this mutex. NvOsMutexDestroy( ec->mutex ); NvOsMemset( ec, 0, sizeof(NvEcPrivState) ); ec->mutex = NULL; } } return NvError_NotInitialized; }
static int nvec_battery_probe(struct nvec_device *pdev) { int i, rc; NvError ErrorStatus = NvSuccess; NvBool result = NV_FALSE; batt_dev = kzalloc(sizeof(struct tegra_battery_dev), GFP_KERNEL); if (!batt_dev) { pr_err("nvec_battery_probe:NOMEM\n"); return -ENOMEM; } ErrorStatus = NvOsMutexCreate(&batt_dev->hBattEventMutex); if (NvSuccess != ErrorStatus) { pr_err("NvOsMutexCreate Failed!\n"); goto Cleanup; } ErrorStatus = NvOsSemaphoreCreate(&batt_dev->hOdmSemaphore, 0); if (NvSuccess != ErrorStatus) { pr_err("NvOsSemaphoreCreate Failed!\n"); goto Cleanup; } /*Henry++ adjust thread to be createn at last batt_dev->exitThread = NV_FALSE; batt_dev->inSuspend = NV_FALSE; ErrorStatus = NvOsThreadCreate(NvBatteryEventHandlerThread, batt_dev, &(batt_dev->hBattEventThread)); if (NvSuccess != ErrorStatus) { pr_err("NvOsThreadCreate FAILED\n"); goto Cleanup; } */ //Henry add retry when fail **** for(i=0;i<BATTERY_RETRY_TIMES;i++){ result = NvOdmBatteryDeviceOpen(&(batt_dev->hOdmBattDev), (NvOdmOsSemaphoreHandle *)&batt_dev->hOdmSemaphore); if (!result || !batt_dev->hOdmBattDev) { pr_err("NvOdmBatteryDeviceOpen FAILED,retry i=%i\n",i); NvOsWaitUS(10000); continue; } else{ break; } } if(i==BATTERY_RETRY_TIMES){ pr_err("NvOdmBatteryDeviceOpen FAILED\n"); goto Cleanup; } //****************************** for (i = 0; i < ARRAY_SIZE(tegra_power_supplies); i++) { if (power_supply_register(&pdev->dev, &tegra_power_supplies[i])) pr_err("Failed to register power supply\n"); } batt_dev->batt_status_poll_period = NVBATTERY_POLLING_INTERVAL; rc = device_create_file(&pdev->dev, &tegra_battery_attr); if (rc) { for (i = 0; i < ARRAY_SIZE(tegra_power_supplies); i++) { power_supply_unregister(&tegra_power_supplies[i]); } pr_err("nvec_battery_probe:device_create_file FAILED"); goto Cleanup; } //Henry++ adjust thread to be createn at last batt_dev->exitThread = NV_FALSE; batt_dev->inSuspend = NV_FALSE; ErrorStatus = NvOsThreadCreate(NvBatteryEventHandlerThread, batt_dev, &(batt_dev->hBattEventThread)); if (NvSuccess != ErrorStatus) { pr_err("NvOsThreadCreate FAILED\n"); goto Cleanup; } return 0; Cleanup: batt_dev->exitThread = NV_TRUE; if (batt_dev->hOdmSemaphore) { NvOsSemaphoreSignal(batt_dev->hOdmSemaphore); NvOsSemaphoreDestroy(batt_dev->hOdmSemaphore); batt_dev->hOdmSemaphore = NULL; } if (batt_dev->hBattEventThread) { NvOsThreadJoin(batt_dev->hBattEventThread); } if (batt_dev->hBattEventMutex) { NvOsMutexDestroy(batt_dev->hBattEventMutex); batt_dev->hBattEventMutex = NULL; } if (batt_dev->hOdmBattDev) { NvOdmBatteryDeviceClose(batt_dev->hOdmBattDev); batt_dev->hOdmBattDev = NULL; } kfree(batt_dev); batt_dev = NULL; //return -1; return 0; //henry++ workaround system can't enter suspend }
void NvEcClose(NvEcHandle hEc) { NvEcPrivState *ec; NvBool destroy = NV_FALSE; if ( NULL == hEc ) return; NV_ASSERT( s_refcount ); ec = hEc->ec; NvOsMutexLock( ec->mutex ); // FIXME: handle client still with outstanding event types if ( !--s_refcount ) { NvEcPrivDeinitHook(ec->hEc); NV_ASSERT( NULL == ec->eventReg[hEc->tag].regBegin && NULL == ec->eventReg[hEc->tag].regEnd ); NV_ASSERT( NULL == ec->requestBegin && NULL == ec->requestEnd ); NV_ASSERT( NULL == ec->responseBegin && NULL == ec->responseEnd ); #ifndef CONFIG_TEGRA_ODM_BETELGEUSE ec->exitPingThread = NV_TRUE; NvOsSemaphoreSignal( ec->hPingSema ); NvOsThreadJoin( ec->hPingThread ); #endif ec->exitThread = NV_TRUE; NvOsSemaphoreSignal( ec->sema ); NvOsThreadJoin( ec->thread ); NvEcTransportClose( ec->transport ); NvOsMutexDestroy( ec->requestMutex ); NvOsMutexDestroy( ec->responseMutex ); NvOsMutexDestroy( ec->eventMutex ); NvOsSemaphoreDestroy( ec->sema ); #ifndef CONFIG_TEGRA_ODM_BETELGEUSE NvOsSemaphoreDestroy( ec->hPingSema ); #endif NvOsSemaphoreDestroy( ec->LowPowerEntrySema ); NvOsSemaphoreDestroy( ec->LowPowerExitSema ); destroy = NV_TRUE; NvOsFree( ec->eventNodes ); NvOsFree( ec->hEc ); } // Set this flag as FALSE to indicate power is disabled //Daniel 20100723, if we change power state to NV_FALSE, we won't be able to suspend/poweroff it. //Is there any side effect ????? //ec->powerState = NV_FALSE; NV_ASSERT( hEc->tag < NVEC_MAX_REQUESTOR_TAG ); ec->tagAllocated[hEc->tag] = NV_FALSE; // to be recycled NvOsFree( hEc ); NvOsMutexUnlock( ec->mutex ); if ( destroy ) { NvOsMutexDestroy( ec->mutex ); NvOsMemset( ec, 0, sizeof(NvEcPrivState) ); ec->mutex = NULL; } }
void NvOdmOsThreadJoin(NvOdmOsThreadHandle thread) { NvOsThreadJoin((NvOsThreadHandle)thread); }
static int nvec_battery_probe(struct nvec_device *pdev) { int i, rc; NvError ErrorStatus = NvSuccess; NvBool result = NV_FALSE; batt_dev = kzalloc(sizeof(struct tegra_battery_dev), GFP_KERNEL); if (!batt_dev) { pr_err("nvec_battery_probe:NOMEM\n"); return -ENOMEM; } ErrorStatus = NvOsSemaphoreCreate(&batt_dev->hOdmSemaphore, 0); if (NvSuccess != ErrorStatus) { pr_err("NvOsSemaphoreCreate Failed!\n"); goto Cleanup; } batt_dev->exitThread = NV_FALSE; ErrorStatus = NvOsThreadCreate(NvBatteryEventHandlerThread, batt_dev, &(batt_dev->hBattEventThread)); if (NvSuccess != ErrorStatus) { pr_err("NvOsThreadCreate FAILED\n"); goto Cleanup; } result = NvOdmBatteryDeviceOpen(&(batt_dev->hOdmBattDev), (NvOdmOsSemaphoreHandle *)&batt_dev->hOdmSemaphore, &(batt_dev->ec_version)); //Daniel 20100823, put ec version to fs. if (!result || !batt_dev->hOdmBattDev) { pr_err("NvOdmBatteryDeviceOpen FAILED\n"); goto Cleanup; } for (i = 0; i < ARRAY_SIZE(tegra_power_supplies); i++) { if (power_supply_register(&pdev->dev, &tegra_power_supplies[i])) pr_err("Failed to register power supply\n"); } batt_dev->batt_status_poll_period = NVBATTERY_POLLING_INTERVAL_MILLISECS; setup_timer(&(batt_dev->battery_poll_timer), tegra_battery_poll_timer_func, 0); mod_timer(&(batt_dev->battery_poll_timer), jiffies + msecs_to_jiffies(batt_dev->batt_status_poll_period)); rc = device_create_file(&pdev->dev, &tegra_battery_attr); rc = device_create_file(&pdev->dev, &tegra_battery_version); //Daniel 20100823, put ec version to fs if (rc) { for (i = 0; i < ARRAY_SIZE(tegra_power_supplies); i++) { power_supply_unregister(&tegra_power_supplies[i]); } del_timer_sync(&(batt_dev->battery_poll_timer)); pr_err("nvec_battery_probe:device_create_file FAILED"); goto Cleanup; } return 0; Cleanup: batt_dev->exitThread = NV_TRUE; if (batt_dev->hOdmSemaphore) { NvOsSemaphoreSignal(batt_dev->hOdmSemaphore); NvOsSemaphoreDestroy(batt_dev->hOdmSemaphore); batt_dev->hOdmSemaphore = NULL; } if (batt_dev->hBattEventThread) { NvOsThreadJoin(batt_dev->hBattEventThread); } if (batt_dev->hOdmBattDev) { NvOdmBatteryDeviceClose(batt_dev->hOdmBattDev); batt_dev->hOdmBattDev = NULL; } kfree(batt_dev); batt_dev = NULL; return -1; }