/* * AppleOnboardAudio.h * AppleOnboardAudio * * Created by cerveau on Mon Jun 04 2001. * Copyright (c) 2001 Apple Computer Inc. All rights reserved. * */ #include #include #include #include #include "AppleOnboardAudio.h" OSDefineMetaClassAndAbstractStructors(AppleOnboardAudio, IOAudioDevice) #define super IOAudioDevice #pragma mark +UNIX LIKE FUNCTIONS bool AppleOnboardAudio::init(OSDictionary *properties) { OSDictionary *AOAprop; DEBUG_IOLOG("+ AppleOnboardAudio::init\n"); if (!super::init(properties)) return false; currentDevices = 0xFFFF; mHasHardwareInputGain = true; // aml 5.10.02 ourPowerState = kIOAudioDeviceActive; mInternalMicDualMonoMode = e_Mode_Disabled; // aml 6.17.02, turn off by default // Future for creation if (AOAprop = OSDynamicCast(OSDictionary, properties->getObject("AOAAttributes"))) { gHasModemSound = (kOSBooleanTrue == OSDynamicCast(OSBoolean, AOAprop->getObject("analogModem"))); } CLOG("- AppleOnboardAudio::init\n"); return true; } void AppleOnboardAudio::free() { DEBUG_IOLOG("+ AppleOnboardAudio::free\n"); if (driverDMAEngine) { driverDMAEngine->release(); driverDMAEngine = NULL; } CLEAN_RELEASE(outMute); CLEAN_RELEASE(headphoneConnection); CLEAN_RELEASE(outVolLeft); CLEAN_RELEASE(outVolRight); CLEAN_RELEASE(outVolMaster); CLEAN_RELEASE(inGainLeft); CLEAN_RELEASE(inGainRight); CLEAN_RELEASE(inputSelector); CLEAN_RELEASE(theAudioPowerObject); CLEAN_RELEASE(AudioDetects); CLEAN_RELEASE(AudioOutputs); CLEAN_RELEASE(AudioInputs); CLEAN_RELEASE(theAudioDeviceTreeParser); publishResource ("setModemSound", NULL); super::free(); DEBUG_IOLOG("- AppleOnboardAudio::free, (void)\n"); } IOService* AppleOnboardAudio::probe(IOService* provider, SInt32* score) { DEBUG_IOLOG("+ AppleOnboardAudio::probe\n"); super::probe(provider, score); DEBUG_IOLOG("- AppleOnboardAudio::probe\n"); return (0); } OSArray *AppleOnboardAudio::getDetectArray(){ return(AudioDetects); } bool AppleOnboardAudio::getMuteState(){ return(gIsMute); } void AppleOnboardAudio::setMuteState(bool newMuteState){ outMute->setValue(newMuteState); } #pragma mark +PORT HANDLER FUNCTIONS IOReturn AppleOnboardAudio::configureAudioOutputs(IOService *provider) { IOReturn result = kIOReturnSuccess; AudioHardwareOutput *theOutput; UInt16 idx; DEBUG_IOLOG("+ AppleOnboardAudio::configureAudioOutputs\n"); if(!theAudioDeviceTreeParser) goto BAIL; AudioOutputs = theAudioDeviceTreeParser->createOutputsArray(); if(!AudioOutputs) goto BAIL; for(idx = 0; idx < AudioOutputs->getCount(); idx++) { theOutput = OSDynamicCast(AudioHardwareOutput, AudioOutputs->getObject(idx)); if( theOutput) theOutput->attachAudioPluginRef((AppleOnboardAudio *) this); } EXIT: DEBUG2_IOLOG("- AppleOnboardAudio::configureAudioOutputs, %d\n", (result == kIOReturnSuccess)); return(result); BAIL: result = kIOReturnError; goto EXIT; } IOReturn AppleOnboardAudio::configureAudioDetects(IOService *provider) { IOReturn result = kIOReturnSuccess; DEBUG_IOLOG("+ AppleOnboardAudio::configureAudioDetects\n"); if(!theAudioDeviceTreeParser) goto BAIL; AudioDetects = theAudioDeviceTreeParser->createDetectsArray(); EXIT: DEBUG2_IOLOG("- AppleOnboardAudio::configureAudioDetects, %d \n", (result == kIOReturnSuccess)); return(result); BAIL: result = kIOReturnError; goto EXIT; } IOReturn AppleOnboardAudio::configureAudioInputs(IOService *provider) { IOReturn result = kIOReturnSuccess; UInt16 idx; AudioHardwareInput *theInput; AudioHardwareMux *theMux; DEBUG_IOLOG("+ AppleOnboardAudio::configureAudioDetects\n"); FailIf (NULL == theAudioDeviceTreeParser, BAIL); AudioInputs = theAudioDeviceTreeParser->createInputsArrayWithMuxes(); FailIf (NULL == AudioInputs, BAIL); for(idx = 0; idx < AudioInputs->getCount(); idx++) { theInput = OSDynamicCast(AudioHardwareInput, AudioInputs->getObject(idx)); if (NULL != theInput) { theInput->attachAudioPluginRef((AppleOnboardAudio *) this); } else { theMux = OSDynamicCast(AudioHardwareMux, AudioInputs->getObject(idx)); if (NULL != theMux) { theMux->attachAudioPluginRef((AppleOnboardAudio *) this); } else { DEBUG_IOLOG ("!!!It's not an input and it's not a mux!!!\n"); } } } EXIT: DEBUG2_IOLOG("- %d = AppleOnboardAudio::configureAudioDetects\n", result); return (result); BAIL: result = kIOReturnError; goto EXIT; } IOReturn AppleOnboardAudio::parseAndActivateInit(IOService *provider){ IOReturn result = kIOReturnSuccess; SInt16 initType = 0; DEBUG_IOLOG("+ AppleOnboardAudio::parseAndActivateInit\n"); if(!theAudioDeviceTreeParser) goto BAIL; initType = theAudioDeviceTreeParser->getInitOperationType(); if(2 == initType) sndHWSetProgOutput(kSndHWProgOutput0); EXIT: DEBUG2_IOLOG("- AppleOnboardAudio::parseAndActivateInit, %d\n", (result == kIOReturnSuccess)); return(result); BAIL: result = kIOReturnError; goto EXIT; } UInt32 AppleOnboardAudio::getCurrentDevices(){ return(currentDevices); } void AppleOnboardAudio::setCurrentDevices(UInt32 devices){ UInt32 odevice; if(devices != currentDevices) { odevice = currentDevices; currentDevices = devices; changedDeviceHandler(odevice); } debug2IOLog ("currentDevices = %ld\n", currentDevices); debug2IOLog ("fCPUNeedsPhaseInversion = %d\n", fCPUNeedsPhaseInversion); // if this CPU has a phase inversion feature see if we need to enable phase inversion if (fCPUNeedsPhaseInversion) { bool state; if (currentDevices == 0 || currentDevices & kSndHWInternalSpeaker) { // may only need the kSndHWInternalSpeaker check state = true; } else { state = false; } driverDMAEngine->setPhaseInversion(state); } // For [2829546] if (devices & kSndHWInputDevices) { if (NULL != inputConnection) { OSNumber * inputState; UInt32 active; active = devices & kSndHWInputDevices ? 1 : 0; // If something is plugged in, that's good enough for now. inputState = OSNumber::withNumber ((long long unsigned int)active, 32); (void)inputConnection->hardwareValueChanged (inputState); } } // end [2829546] } void AppleOnboardAudio::changedDeviceHandler(UInt32 olddevices){ UInt16 i; AudioHardwareOutput *theOutput; // AudioHardwareInput *theInput; if(AudioOutputs) { for(i = 0; i< AudioOutputs->getCount(); i++) { theOutput = OSDynamicCast(AudioHardwareOutput, AudioOutputs->getObject(i)); if( theOutput) theOutput->deviceIntService(currentDevices); } } // Now that we have an input selector, it works through it /*if(AudioInputs) { for(i = 0; i< AudioInputs->getCount(); i++) { theInput = OSDynamicCast(AudioHardwareInput, AudioInputs->getObject(i)); if( theInput) theInput->deviceSetActive(currentDevices); } }*/ } #pragma mark +IOAUDIO INIT bool AppleOnboardAudio::initHardware (IOService *provider){ IOWorkLoop * workLoop; IOAudioStream * inputStream; IOAudioStream * outputStream; bool result; DEBUG_IOLOG("+ AppleOnboardAudio::initHardware\n"); result = FALSE; if (!super::initHardware (provider)) { goto EXIT; } // ourPowerState = getPowerState(); sndHWInitialize (provider); theAudioDeviceTreeParser = AudioDeviceTreeParser::createWithEntryProvider (provider); setManufacturerName ("Apple"); setDeviceName ("Built-in audio controller"); setDeviceTransportType (kIOAudioDeviceTransportTypeBuiltIn); parseAndActivateInit (provider); configureAudioDetects (provider); configureAudioOutputs (provider); configureAudioInputs (provider); configurePowerObject (provider); configureDMAEngines (provider); // Have to create the audio controls before calling activateAudioEngine createDefaultsPorts (); if (kIOReturnSuccess != activateAudioEngine (driverDMAEngine)){ driverDMAEngine->release (); driverDMAEngine = NULL; goto EXIT; } workLoop = getWorkLoop (); FailIf (NULL == workLoop, EXIT); outputStream = driverDMAEngine->getAudioStream (kIOAudioStreamDirectionOutput, 1); if (outputStream) { outputStream->setTerminalType (OUTPUT_SPEAKER); } else { debugIOLog ("didn't get the output stream\n"); } inputStream = driverDMAEngine->getAudioStream (kIOAudioStreamDirectionInput, 1); if (inputStream) { inputStream->setTerminalType (INPUT_MICROPHONE); } else { debugIOLog ("didn't get the input stream\n"); } // Set this to a default for desktop machines (portables will get a setAggressiveness call later in the boot sequence). setIdleAudioSleepTime (kNoIdleAudioPowerDown); // Give drivers a chance to do something after the DMA engine and IOAudioFamily have been created/started sndHWPostDMAEngineInit (provider); // Set the default volume to that stored in the PRAM in case we don't get a setValue call from the Sound prefs before being activated. gExpertMode = TRUE; // Don't update the PRAM value while we're initing from it if (NULL != outVolLeft) { outVolLeft->setValue (PRAMToVolumeValue ()); } if (NULL != outVolRight) { outVolRight->setValue (PRAMToVolumeValue ()); } flushAudioControls (); gExpertMode = FALSE; publishResource ("setModemSound", this); // Install power change handler so we get notified about shutdown registerPrioritySleepWakeInterest (&sysPowerDownHandler, this, 0); // Tell the world about us so the User Client can find us. registerService (); // aml 5.10.02 mHasHardwareInputGain = theAudioDeviceTreeParser->getHasHWInputGain(); if (mHasHardwareInputGain) { driverDMAEngine->setUseSoftwareInputGain(false); } else { driverDMAEngine->setUseSoftwareInputGain(true); } // driverDMAEngine->setInputGainL(24); // XXX make const for unity gain index // driverDMAEngine->setInputGainR(24); // XXX make const for unity gain index #ifdef _AML_LOG_INPUT_GAIN if (mHasHardwareInputGain) IOLog("AppleOnboardAudio::configureDMAEngines - has hardware input gain = TRUE.\n"); else IOLog("AppleOnboardAudio::configureDMAEngines - has hardware input gain = FALSE.\n"); #endif result = TRUE; EXIT: DEBUG_IOLOG ("- AppleOnboardAudio::initHardware\n"); return (result); } IOReturn AppleOnboardAudio::configureDMAEngines(IOService *provider){ IOReturn result; bool hasInput; result = kIOReturnError; // All this config should go in a single method FailIf (NULL == theAudioDeviceTreeParser, EXIT); if (theAudioDeviceTreeParser->getNumberOfInputs () > 0) hasInput = true; else hasInput = false; driverDMAEngine = new AppleDBDMAAudioDMAEngine; // make sure we get an engine FailIf (NULL == driverDMAEngine, EXIT); // tell the super class if it has to worry about reversing the phase of a channel fCPUNeedsPhaseInversion = theAudioDeviceTreeParser->getPhaseInversion (); // it will be set when the device polling starts driverDMAEngine->setPhaseInversion (false); if (!driverDMAEngine->init (NULL, provider, hasInput)) { driverDMAEngine->release (); driverDMAEngine = NULL; goto EXIT; } result = kIOReturnSuccess; EXIT: return result; } IOReturn AppleOnboardAudio::createDefaultsPorts () { IOAudioPort * outputPort = NULL; IOAudioPort * inputPort = NULL; OSDictionary * AOAprop = NULL; OSDictionary * theRange = NULL; OSNumber * theNumber; OSData * theData; AudioHardwareInput * theInput; UInt32 inputType; SInt32 OutminLin; SInt32 OutmaxLin; SInt32 InminLin; SInt32 InmaxLin; IOFixed OutminDB; IOFixed OutmaxDB; IOFixed InminDB; IOFixed InmaxDB; UInt32 idx; IOReturn result; Boolean done; Boolean hasPlaythrough; DEBUG_IOLOG("+ AppleOnboardAudio::createDefaultsPorts\n"); hasPlaythrough = FALSE; result = kIOReturnSuccess; FailIf (NULL == driverDMAEngine, BAIL); FailIf (NULL == (AOAprop = OSDynamicCast(OSDictionary, this->getProperty("AOAAttributes"))), BAIL); // [2731278] Create output selector that is used to tell the HAL what the current output is (speaker, headphone, etc.) outputSelector = IOAudioSelectorControl::createOutputSelector ('ispk', kIOAudioControlChannelIDAll); if (NULL != outputSelector) { driverDMAEngine->addDefaultAudioControl(outputSelector); outputSelector->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)outputControlChangeHandler, this); outputSelector->addAvailableSelection(kIOAudioOutputPortSubTypeInternalSpeaker, "Internal speaker"); outputSelector->addAvailableSelection(kIOAudioOutputPortSubTypeHeadphones, "Headphones"); // Don't release it because we might use it later. } // end [2731278] /* * Create out part port : 2 level (one for each side and one mute) */ if (NULL != (theRange = OSDynamicCast(OSDictionary, AOAprop->getObject("RangeOut")))) { outputPort = IOAudioPort::withAttributes(kIOAudioPortTypeOutput, "Main Output port"); if (NULL != outputPort) { theNumber = OSDynamicCast(OSNumber, theRange->getObject("minLin")); OutminLin = (SInt32) theNumber->unsigned32BitValue(); theNumber = OSDynamicCast(OSNumber, theRange->getObject("maxLin")); OutmaxLin = (SInt32) theNumber->unsigned32BitValue(); theData = OSDynamicCast(OSData, theRange->getObject("minLog")); OutminDB = *((IOFixed*) theData->getBytesNoCopy()); theData = OSDynamicCast(OSData, theRange->getObject("maxLog")); OutmaxDB = *((IOFixed*) theData->getBytesNoCopy()); fMaxVolume = OutmaxLin; fMinVolume = OutminLin; // Master control will be created when it's needed, which isn't normally the case, so don't make one now outVolMaster = NULL; pramVol = IOAudioLevelControl::create(PRAMToVolumeValue (), 0, 7, OutminDB, OutmaxDB, kIOAudioControlChannelIDAll, "Boot beep volume", kPRAMVol, kIOAudioLevelControlSubTypePRAMVolume, kIOAudioControlUsageOutput); if (NULL != pramVol) { driverDMAEngine->addDefaultAudioControl(pramVol); pramVol->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)outputControlChangeHandler, this); pramVol->release (); pramVol = NULL; } outVolLeft = IOAudioLevelControl::createVolumeControl(OutmaxLin, OutminLin, OutmaxLin, OutminDB, OutmaxDB, kIOAudioControlChannelIDDefaultLeft, kIOAudioControlChannelNameLeft, kOutVolLeft, kIOAudioControlUsageOutput); if (NULL != outVolLeft) { driverDMAEngine->addDefaultAudioControl(outVolLeft); outVolLeft->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)outputControlChangeHandler, this); // Don't release it because we might reference it later } outVolRight = IOAudioLevelControl::createVolumeControl(OutmaxLin, OutminLin, OutmaxLin, OutminDB, OutmaxDB, kIOAudioControlChannelIDDefaultRight, kIOAudioControlChannelNameRight, kOutVolRight, kIOAudioControlUsageOutput); if (NULL != outVolRight) { driverDMAEngine->addDefaultAudioControl(outVolRight); outVolRight->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)outputControlChangeHandler, this); // Don't release it because we might reference it later } outMute = IOAudioToggleControl::createMuteControl(false, kIOAudioControlChannelIDAll, kIOAudioControlChannelNameAll, kOutMute, kIOAudioControlUsageOutput); if (NULL != outMute) { driverDMAEngine->addDefaultAudioControl(outMute); outMute->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)outputControlChangeHandler, this); // Don't release it because we might reference it later } // Create a toggle control for reporting the status of the headphone jack headphoneConnection = IOAudioToggleControl::create (FALSE, kIOAudioControlChannelIDAll, kIOAudioControlChannelNameAll, kHeadphoneInsert, kIOAudioControlTypeJack, kIOAudioControlUsageOutput); if (NULL != headphoneConnection) { driverDMAEngine->addDefaultAudioControl (headphoneConnection); // no value change handler because this isn't a settable control // Don't release it because we might reference it later } attachAudioPort(outputPort, driverDMAEngine, 0); } } /* * Create input port and level controls (if any) associated to it */ if ((theAudioDeviceTreeParser->getNumberOfInputs() > 0)) { if (NULL != (theRange = OSDynamicCast(OSDictionary, AOAprop->getObject("RangeIn")))) { inputPort = IOAudioPort::withAttributes(kIOAudioPortTypeInput, "Main Input Port"); if (NULL != inputPort) { theNumber = OSDynamicCast(OSNumber, theRange->getObject("minLin")); InminLin = (SInt32) theNumber->unsigned32BitValue(); theNumber = OSDynamicCast(OSNumber, theRange->getObject("maxLin")); InmaxLin = (SInt32) theNumber->unsigned32BitValue(); theData = OSDynamicCast(OSData, theRange->getObject("minLog")); InminDB = *((IOFixed*) theData->getBytesNoCopy()); theData = OSDynamicCast(OSData, theRange->getObject("maxLog")); InmaxDB = *((IOFixed*) theData->getBytesNoCopy()); hasPlaythrough = (kOSBooleanTrue == OSDynamicCast(OSBoolean, AOAprop->getObject("Playthrough"))); // aml 5.24.02, save default ranges (range may change when switching to internal mic eg.) mDefaultInMinDB = InminDB; mDefaultInMaxDB = InmaxDB; inGainLeft = IOAudioLevelControl::createVolumeControl((InmaxLin-InminLin)/2, InminLin, InmaxLin, InminDB, InmaxDB, kIOAudioControlChannelIDDefaultLeft, kIOAudioControlChannelNameLeft, kInGainLeft, kIOAudioControlUsageInput); if (NULL != inGainLeft) { driverDMAEngine->addDefaultAudioControl(inGainLeft); inGainLeft->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)inputControlChangeHandler, this); // Don't release it because we might reference it later } inGainRight = IOAudioLevelControl::createVolumeControl((InmaxLin-InminLin)/2, InminLin, InmaxLin, InminDB, InmaxDB, kIOAudioControlChannelIDDefaultRight, kIOAudioControlChannelNameRight, kInGainRight, kIOAudioControlUsageInput); if (NULL != inGainRight) { driverDMAEngine->addDefaultAudioControl(inGainRight); inGainRight->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)inputControlChangeHandler, this); // Don't release it because we might reference it later } attachAudioPort(inputPort, 0, driverDMAEngine); inputPort->release(); inputPort = NULL; } } // create the input selectors if(AudioInputs) { inputSelector = NULL; for (idx = 0; idx < AudioInputs->getCount(); idx++) { theInput = OSDynamicCast(AudioHardwareInput, AudioInputs->getObject(idx)); if (theInput) { inputType = theInput->getInputPortType(); DEBUG2_IOLOG ("Creating input selector of type %4s\n", (char*)&inputType); if (NULL == inputSelector && 'none' != inputType) { inputSelector = IOAudioSelectorControl::createInputSelector(inputType, kIOAudioControlChannelIDAll, kIOAudioControlChannelNameAll, kInputSelector); if (NULL != inputSelector) { driverDMAEngine->addDefaultAudioControl(inputSelector); inputSelector->setValueChangeHandler((IOAudioControl::IntValueChangeHandler)inputControlChangeHandler, this); } } if (NULL != inputSelector) { DEBUG2_IOLOG ("Calling addAvailableSelection with type %4s\n", (char*)&inputType); switch(inputType) { case 'imic' : inputSelector->addAvailableSelection('imic', "Internal microphone"); break; case 'emic' : inputSelector->addAvailableSelection('emic', "External microphone/Line In"); break; case 'sinj' : inputSelector->addAvailableSelection('sinj', "Sound Input"); break; case 'line' : inputSelector->addAvailableSelection('line', "Line In"); break; case 'zvpc' : inputSelector->addAvailableSelection('zvpc', "Zoomed Video"); break; default: break; } // Don't release inputSelector because we might use it later in setModemSound } } } } done = FALSE; for (idx = 0; idx < AudioInputs->getCount () && !done; idx++) { theInput = OSDynamicCast (AudioHardwareInput, AudioInputs->getObject(idx)); if (theInput) { inputType = theInput->getInputPortType (); switch (inputType) { case 'emic': case 'sinj': case 'line': // Create a jack control to let the HAL/Sound Manager know that some input source is plugged in inputConnection = IOAudioToggleControl::create (FALSE, kIOAudioControlChannelIDAll, kIOAudioControlChannelNameAll, kInputInsert, kIOAudioControlTypeJack, kIOAudioControlUsageInput); if (NULL != inputConnection) { driverDMAEngine->addDefaultAudioControl (inputConnection); // no value change handler because this isn't a settable control // Don't release it because we might reference it later } done = TRUE; break; default: break; } } } if (NULL != outputPort && TRUE == hasPlaythrough) { playthruToggle = IOAudioToggleControl::createMuteControl (TRUE, kIOAudioControlChannelIDAll, kIOAudioControlChannelNameAll, kPassThruToggle, kIOAudioControlUsagePassThru); if (NULL != playthruToggle) { driverDMAEngine->addDefaultAudioControl (playthruToggle); playthruToggle->setValueChangeHandler ((IOAudioControl::IntValueChangeHandler)inputControlChangeHandler, this); playthruToggle->release (); playthruToggle = NULL; } outputPort->release(); outputPort = NULL; } } EXIT: DEBUG2_IOLOG("- %d = AppleOnboardAudio::createDefaultsPorts\n", result); return result; BAIL: result = kIOReturnError; goto EXIT; } #pragma mark +IOAUDIO CONTROL HANDLERS IORegistryEntry * AppleOnboardAudio::FindEntryByNameAndProperty (const IORegistryEntry * start, const char * name, const char * key, UInt32 value) { OSIterator *iterator; IORegistryEntry *theEntry; IORegistryEntry *tmpReg; OSNumber *tmpNumber; theEntry = NULL; iterator = NULL; FAIL_IF (NULL == start, Exit); iterator = start->getChildIterator (gIOServicePlane); FAIL_IF (NULL == iterator, Exit); while (NULL == theEntry && (tmpReg = OSDynamicCast (IORegistryEntry, iterator->getNextObject ())) != NULL) { if (strcmp (tmpReg->getName (), name) == 0) { tmpNumber = OSDynamicCast (OSNumber, tmpReg->getProperty (key)); if (NULL != tmpNumber && tmpNumber->unsigned32BitValue () == value) { theEntry = tmpReg; theEntry->retain(); } } } Exit: if (NULL != iterator) { iterator->release (); } return theEntry; } IOReturn AppleOnboardAudio::outputControlChangeHandler (IOService *target, IOAudioControl *control, SInt32 oldValue, SInt32 newValue) { IOReturn result = kIOReturnError; AppleOnboardAudio * audioDevice; IOAudioLevelControl * levelControl; IODTPlatformExpert * platform; UInt32 leftVol; UInt32 rightVol; Boolean wasPoweredDown; // IOLog ("AppleOnboardAudio::outputControlChangeHandler (%p, %p, %ld, %ld)\n", target, control, oldValue, newValue); audioDevice = OSDynamicCast (AppleOnboardAudio, target); FailIf (NULL == audioDevice, Exit); // We have to make sure the hardware is on before we can send it any control changes [2981190] if (kIOAudioDeviceSleep == audioDevice->ourPowerState && NULL != audioDevice->theAudioPowerObject) { audioDevice->ourPowerState = kIOAudioDeviceActive; audioDevice->theAudioPowerObject->setHardwarePowerOn (); if (NULL != audioDevice->outMute) { audioDevice->outMute->flushValue (); // Restore hardware to the user's selected state } wasPoweredDown = TRUE; } else { wasPoweredDown = FALSE; } switch (control->getSubType ()) { case kIOAudioLevelControlSubTypeVolume: levelControl = OSDynamicCast (IOAudioLevelControl, control); switch (control->getChannelID ()) { case kIOAudioControlChannelIDAll: result = audioDevice->volumeMasterChange (newValue); if (newValue == levelControl->getMinValue ()) { // If it's set to it's min, then it's mute, so tell the HAL it's muted OSNumber * muteState; muteState = OSNumber::withNumber ((long long unsigned int)1, 32); if (NULL != audioDevice->outMute) { audioDevice->outMute->hardwareValueChanged (muteState); } } else if (oldValue == levelControl->getMinValue () && FALSE == audioDevice->gIsMute) { OSNumber * muteState; muteState = OSNumber::withNumber ((long long unsigned int)0, 32); if (NULL != audioDevice->outMute) { audioDevice->outMute->hardwareValueChanged (muteState); } } break; case kIOAudioControlChannelIDDefaultLeft: // IOLog ("left control\n"); result = audioDevice->volumeLeftChange (newValue); // (void)audioDevice->setiSubVolume (kIOAudioLevelControlSubTypeLFEVolume, ((newValue * kiSubMaxVolume) / levelControl->getMaxValue ()) * kiSubVolumePercent / 100); break; case kIOAudioControlChannelIDDefaultRight: // IOLog ("right control\n"); result = audioDevice->volumeRightChange (newValue); // (void)audioDevice->setiSubVolume (kIOAudioLevelControlSubTypeLFEVolume, ((newValue * kiSubMaxVolume) / levelControl->getMaxValue ()) * kiSubVolumePercent / 100); break; } break; case kIOAudioToggleControlSubTypeMute: // IOLog ("mute control toggled\n"); result = audioDevice->outputMuteChange (newValue); // (void)audioDevice->setiSubMute (newValue); break; case kIOAudioSelectorControlSubTypeOutput: result = kIOReturnUnsupported; break; case kIOAudioLevelControlSubTypePRAMVolume: platform = OSDynamicCast (IODTPlatformExpert, getPlatform()); if (platform) { UInt8 curPRAMVol; result = platform->readXPRAM ((IOByteCount)kPRamVolumeAddr, &curPRAMVol, (IOByteCount)1); curPRAMVol = (curPRAMVol & 0xF8) | newValue; result = platform->writeXPRAM ((IOByteCount)kPRamVolumeAddr, &curPRAMVol, (IOByteCount) 1); } break; default: result = kIOReturnBadArgument; } if (control->getSubType () == kIOAudioLevelControlSubTypeVolume) { levelControl = OSDynamicCast (IOAudioLevelControl, control); if (audioDevice->outVolRight && audioDevice->outVolLeft) { if (audioDevice->outVolRight->getMinValue () == audioDevice->gVolRight && audioDevice->outVolLeft->getMinValue () == audioDevice->gVolLeft) { // If it's set to it's min, then it's mute, so tell the HAL it's muted OSNumber * muteState; muteState = OSNumber::withNumber ((long long unsigned int)1, 32); if (NULL != audioDevice->outMute) { audioDevice->outMute->hardwareValueChanged (muteState); } // IOLog ("turning on hardware mute flag\n"); } else if (newValue != levelControl->getMinValue () && oldValue == levelControl->getMinValue () && FALSE == audioDevice->gIsMute) { OSNumber * muteState; muteState = OSNumber::withNumber ((long long unsigned int)0, 32); if (NULL != audioDevice->outMute) { audioDevice->outMute->hardwareValueChanged (muteState); } // IOLog ("turning off hardware mute flag\n"); } } } if (audioDevice->gIsMute) { leftVol = 0; rightVol = 0; } else { leftVol = audioDevice->gVolLeft; rightVol = audioDevice->gVolRight; } if (FALSE == audioDevice->gExpertMode) { // We do that only if we are on a OS 9 like UI guideline audioDevice->WritePRAMVol (leftVol, rightVol); } Exit: // Second half of [2981190], put us back to sleep after the right amount of time if we were off if (TRUE == wasPoweredDown) { audioDevice->scheduleIdleAudioSleep (); } return result; } #if 0 IOReturn AppleOnboardAudio::setiSubVolume (UInt32 iSubVolumeControl, SInt32 iSubVolumeLevel) { IOReturn result; IOAudioLevelControl * iSubVolume; IORegistryEntry * start; result = kIOReturnSuccess; if (NULL != driverDMAEngine->iSubBufferMemory) { start = childFromPath ("AppleDBDMAAudioDMAEngine", gIOServicePlane); FAIL_IF (NULL == start, Exit); iSubVolume = (IOAudioLevelControl *)FindEntryByNameAndProperty (start, "AppleUSBAudioLevelControl", kIOAudioControlSubTypeKey, iSubVolumeControl); start->release (); if (NULL != iSubVolume) { iSubVolume->setValue (iSubVolumeLevel); iSubVolume->release(); } } Exit: return result; } IOReturn AppleOnboardAudio::setiSubMute (UInt32 setMute) { IOReturn result; IOAudioToggleControl * iSubMute; IORegistryEntry * start; result = kIOReturnSuccess; start = childFromPath ("AppleDBDMAAudioDMAEngine", gIOServicePlane); FailIf (NULL == start, Exit); iSubMute = (IOAudioToggleControl *)FindEntryByNameAndProperty (start, "AppleUSBAudioMuteControl", kIOAudioControlSubTypeKey, kIOAudioToggleControlSubTypeLFEMute); start->release (); if ( NULL != iSubMute ) { iSubMute->setValue (setMute); iSubMute->release (); } Exit: return result; } #endif // This is called when we're on hardware that only has one active volume control (either right or left) // otherwise the respective right or left volume handler will be called. // This calls both volume handers becasue it doesn't know which one is really the active volume control. IOReturn AppleOnboardAudio::volumeMasterChange(SInt32 newValue){ IOReturn result = kIOReturnSuccess; DEBUG_IOLOG("+ AppleOnboardAudio::volumeMasterChange\n"); result = kIOReturnError; // Don't know which volume control really exists, so adjust both -- they'll ignore the change if they don't exist result = volumeLeftChange(newValue); result = volumeRightChange(newValue); // (void)setiSubVolume (kIOAudioLevelControlSubTypeLFEVolume, ((newValue * kiSubMaxVolume) / volumeControl->getMaxValue ()) * kiSubVolumePercent / 100); result = kIOReturnSuccess; DEBUG2_IOLOG("- AppleOnboardAudio::volumeMasterChange, 0x%x\n", result); return result; } IOReturn AppleOnboardAudio::volumeLeftChange(SInt32 newValue){ IOReturn result; AudioHardwareOutput * theOutput; UInt32 idx; DEBUG2_IOLOG("+ AppleOnboardAudio::volumeLeftChange (%ld)\n", newValue); result = kIOReturnError; FailIf (NULL == AudioOutputs, Exit); if (!gIsMute) { for (idx = 0; idx < AudioOutputs->getCount(); idx++) { theOutput = OSDynamicCast (AudioHardwareOutput, AudioOutputs->getObject (idx)); if (theOutput) { theOutput->setVolume (newValue, gVolRight); } } } gVolLeft = newValue; result = kIOReturnSuccess; Exit: DEBUG2_IOLOG("- AppleOnboardAudio::volumeLeftChange, 0x%x\n", result); return result; } IOReturn AppleOnboardAudio::volumeRightChange(SInt32 newValue){ IOReturn result; AudioHardwareOutput * theOutput; UInt32 idx; DEBUG2_IOLOG("+ AppleOnboardAudio::volumeRightChange (%ld)\n", newValue); result = kIOReturnError; FailIf (NULL == AudioOutputs, Exit); if (!gIsMute) { for (idx = 0; idx < AudioOutputs->getCount(); idx++) { theOutput = OSDynamicCast (AudioHardwareOutput, AudioOutputs->getObject (idx)); if (theOutput) { theOutput->setVolume (gVolLeft, newValue); } } } gVolRight = newValue; result = kIOReturnSuccess; Exit: DEBUG2_IOLOG("- AppleOnboardAudio::volumeRightChange, result = 0x%x\n", result); return result; } IOReturn AppleOnboardAudio::outputMuteChange(SInt32 newValue){ IOReturn result; UInt32 idx; AudioHardwareOutput * theOutput; DEBUG2_IOLOG("+ AppleOnboardAudio::outputMuteChange (%ld)\n", newValue); result = kIOReturnError; // pass it to the AudioHardwareOutputObjects FailIf (NULL == AudioOutputs, Exit); for (idx = 0; idx < AudioOutputs->getCount(); idx++) { theOutput = OSDynamicCast (AudioHardwareOutput, AudioOutputs->getObject (idx)); if (theOutput) { theOutput->setMute (newValue); } } gIsMute = newValue; result = kIOReturnSuccess; Exit: DEBUG2_IOLOG("- AppleOnboardAudio::outputMuteChange, 0x%x\n", result); return result; } IOReturn AppleOnboardAudio::inputControlChangeHandler (IOService *target, IOAudioControl *control, SInt32 oldValue, SInt32 newValue) { IOReturn result = kIOReturnError; AppleOnboardAudio * audioDevice; IOAudioLevelControl * levelControl; Boolean wasPoweredDown; audioDevice = OSDynamicCast (AppleOnboardAudio, target); FailIf (NULL == audioDevice, Exit); // We have to make sure the hardware is on before we can send it any control changes [2981190] if (kIOAudioDeviceSleep == audioDevice->ourPowerState && NULL != audioDevice->theAudioPowerObject) { audioDevice->ourPowerState = kIOAudioDeviceActive; audioDevice->theAudioPowerObject->setHardwarePowerOn (); if (NULL != audioDevice->outMute) { audioDevice->outMute->flushValue (); // Restore hardware to the user's selected state } wasPoweredDown = TRUE; } else { wasPoweredDown = FALSE; } switch (control->getType ()) { case kIOAudioControlTypeLevel: switch (control->getSubType ()) { case kIOAudioLevelControlSubTypeVolume: levelControl = OSDynamicCast (IOAudioLevelControl, control); switch (control->getChannelID ()) { case kIOAudioControlChannelIDDefaultLeft: result = audioDevice->gainLeftChanged (newValue); break; case kIOAudioControlChannelIDDefaultRight: result = audioDevice->gainRightChanged (newValue); break; } break; } break; case kIOAudioControlTypeToggle: switch (control->getSubType ()) { case kIOAudioToggleControlSubTypeMute: result = audioDevice->passThruChanged (newValue); break; } break; case kIOAudioControlTypeSelector: result = audioDevice->inputSelectorChanged (newValue); break; default: ; } Exit: // Second half of [2981190], put us back to sleep after the right amount of time if we were off if (TRUE == wasPoweredDown) { audioDevice->scheduleIdleAudioSleep (); } return result; } #if 0 IOReturn AppleOnboardAudio::gainLeftChangeHandler(IOService *target, IOAudioControl *gainControl, SInt32 oldValue, SInt32 newValue){ IOReturn result = kIOReturnSuccess; AppleOnboardAudio *audioDevice; DEBUG_IOLOG("_ AppleOnboardAudio::gainLeftChangeHandler\n"); audioDevice = (AppleOnboardAudio *)target; if(!audioDevice) goto BAIL; result = audioDevice->gainLeftChanged(gainControl, oldValue, newValue); EXIT: DEBUG2_IOLOG("- AppleOnboardAudio::gainLeftChangeHandler, 0x%x\n", result); return result; BAIL: result = kIOReturnError; goto EXIT; } #endif IOReturn AppleOnboardAudio::gainLeftChanged(SInt32 newValue){ IOReturn result = kIOReturnSuccess; UInt32 idx; AudioHardwareInput *theInput; DEBUG_IOLOG("+ AppleOnboardAudio::gainLeftChanged\n"); if(!AudioInputs) goto BAIL; gGainLeft = newValue; if (!mHasHardwareInputGain) { #ifdef _AML_LOG_INPUT_GAIN IOLog("AppleOnboardAudio::gainLeftChanged - using software gain (0x%X).\n", gGainLeft); #endif driverDMAEngine->setInputGainL(gGainLeft); } else { for(idx = 0; idx< AudioInputs->getCount(); idx++) { theInput = OSDynamicCast(AudioHardwareInput, AudioInputs->getObject(idx)); if(theInput) theInput->setInputGain(newValue, gGainRight); } } EXIT: DEBUG2_IOLOG("- AppleOnboardAudio::gainLeftChanged, %d\n", (result == kIOReturnSuccess)); return result; BAIL: result = kIOReturnError; goto EXIT; } #if 0 IOReturn AppleOnboardAudio::gainRightChangeHandler(IOService *target, IOAudioControl *gainControl, SInt32 oldValue, SInt32 newValue){ IOReturn result = kIOReturnSuccess; AppleOnboardAudio *audioDevice; DEBUG_IOLOG("+ AppleOnboardAudio::gainRightChangeHandler\n"); audioDevice = (AppleOnboardAudio *)target; if(!audioDevice) goto BAIL; result = audioDevice->gainRightChanged(gainControl, oldValue, newValue); EXIT: DEBUG_IOLOG("- AppleOnboardAudio::gainRightChangeHandler\n"); return result; BAIL: result = kIOReturnError; goto EXIT; } #endif IOReturn AppleOnboardAudio::gainRightChanged(SInt32 newValue){ IOReturn result = kIOReturnSuccess; UInt32 idx; AudioHardwareInput *theInput; DEBUG_IOLOG("+ AppleOnboardAudio::gainRightChanged\n"); if(!AudioInputs) goto BAIL; gGainRight = newValue; if (!mHasHardwareInputGain) { #ifdef _AML_LOG_INPUT_GAIN IOLog("AppleOnboardAudio::gainRightChanged - using software gain (0x%X).\n", gGainRight); #endif driverDMAEngine->setInputGainR(gGainRight); } else { for(idx = 0; idx< AudioInputs->getCount(); idx++) { theInput = OSDynamicCast(AudioHardwareInput, AudioInputs->getObject(idx)); if( theInput) theInput->setInputGain(gGainLeft, newValue); } } EXIT: DEBUG2_IOLOG("- AppleOnboardAudio::gainRightChanged, %d\n", (result == kIOReturnSuccess)); return result; BAIL: result = kIOReturnError; goto EXIT; } #if 0 IOReturn AppleOnboardAudio::passThruChangeHandler(IOService *target, IOAudioControl *passThruControl, SInt32 oldValue, SInt32 newValue){ IOReturn result = kIOReturnSuccess; AppleOnboardAudio *audioDevice; DEBUG_IOLOG("+ AppleOnboardAudio::passThruChangeHandler\n"); audioDevice = (AppleOnboardAudio *)target; if(!audioDevice) goto BAIL; result = audioDevice->passThruChanged(passThruControl, oldValue, newValue); EXIT: DEBUG_IOLOG("- AppleOnboardAudio::passThruChangeHandler\n"); return result; BAIL: result = kIOReturnError; goto EXIT; } #endif IOReturn AppleOnboardAudio::passThruChanged(SInt32 newValue){ IOReturn result = kIOReturnSuccess; DEBUG_IOLOG("+ AppleOnboardAudio::passThruChanged\n"); gIsPlayThroughActive = newValue; sndHWSetPlayThrough(!newValue); DEBUG_IOLOG("- AppleOnboardAudio::passThruChanged\n"); return result; } #if 0 IOReturn AppleOnboardAudio::inputSelectorChangeHandler(IOService *target, IOAudioControl *inputSelector, SInt32 oldValue, SInt32 newValue){ IOReturn result = kIOReturnSuccess; AppleOnboardAudio *audioDevice; DEBUG_IOLOG("+ AppleOnboardAudio::inputSelectorChangeHandler\n"); audioDevice = (AppleOnboardAudio *)target; if(!audioDevice) goto BAIL; result = audioDevice->inputSelectorChanged(inputSelector, oldValue, newValue); EXIT: DEBUG_IOLOG("- AppleOnboardAudio::inputSelectorChangeHandler\n"); return result; BAIL: result = kIOReturnError; goto EXIT; } #endif IOReturn AppleOnboardAudio::inputSelectorChanged(SInt32 newValue){ AudioHardwareInput *theInput; UInt32 idx; IOAudioEngine* audioEngine; IOFixed mindBVol; IOFixed maxdBVol; IOFixed dBOffset; IOReturn result = kIOReturnSuccess; DEBUG_IOLOG("+ AppleOnboardAudio::inputSelectorChanged\n"); if(AudioInputs) { for(idx = 0; idx< AudioInputs->getCount(); idx++) { theInput = OSDynamicCast(AudioHardwareInput, AudioInputs->getObject(idx)); if( theInput) theInput->forceActivation(newValue); } // aml 5.28.02 change control range when using internal mic, reset to default on other switches if (newValue == kIntMicSource) { // // Internal mic selected // dBOffset = theAudioDeviceTreeParser->getInternalMicGainOffset(); if (dBOffset != 0x0) { if (dBOffset > mDefaultInMaxDB) { dBOffset = mDefaultInMaxDB; } mindBVol = mDefaultInMinDB - dBOffset; maxdBVol = mDefaultInMaxDB - dBOffset; audioEngine = OSDynamicCast (IOAudioEngine, audioEngines->getObject(0)); audioEngine->pauseAudioEngine (); audioEngine->beginConfigurationChange (); if (NULL != inGainLeft) { inGainLeft->setMinDB (mindBVol); inGainLeft->setMaxDB (maxdBVol); mRangeInChanged = true; } if (NULL != inGainRight) { inGainRight->setMinDB (mindBVol); inGainRight->setMaxDB (maxdBVol); mRangeInChanged = true; } audioEngine->completeConfigurationChange (); audioEngine->resumeAudioEngine (); } // aml 6.17.02 if (mInternalMicDualMonoMode != e_Mode_Disabled) { driverDMAEngine->setDualMonoMode(mInternalMicDualMonoMode); } } else { // // Non-internal mic source // // change the input range back if needed if (mRangeInChanged) { mRangeInChanged = false; audioEngine = OSDynamicCast (IOAudioEngine, audioEngines->getObject(0)); audioEngine->pauseAudioEngine (); audioEngine->beginConfigurationChange (); if (NULL != inGainLeft) { inGainLeft->setMinDB (mDefaultInMinDB); inGainLeft->setMaxDB (mDefaultInMaxDB); } if (NULL != inGainRight) { inGainRight->setMinDB (mDefaultInMinDB); inGainRight->setMaxDB (mDefaultInMaxDB); } audioEngine->completeConfigurationChange (); audioEngine->resumeAudioEngine (); } // aml 6.17.02 if (mInternalMicDualMonoMode != e_Mode_Disabled) { driverDMAEngine->setDualMonoMode(e_Mode_Disabled); } } } DEBUG_IOLOG("- AppleOnboardAudio::inputSelectorChanged\n"); return result; } #pragma mark +POWER MANAGEMENT IOReturn AppleOnboardAudio::configurePowerObject(IOService *provider){ IOReturn result = kIOReturnSuccess; DEBUG_IOLOG("+ AppleOnboardAudio::configurePowerObject\n"); switch (theAudioDeviceTreeParser->getPowerObjectType()) { case kProj6PowerObject: theAudioPowerObject = AudioProj6PowerObject::createAudioProj6PowerObject(this); if(!theAudioPowerObject) goto BAIL; break; case kProj7PowerObject: theAudioPowerObject = AudioProj7PowerObject::createAudioProj7PowerObject(this); if(!theAudioPowerObject) goto BAIL; break; case kProj8PowerObject: theAudioPowerObject = AudioProj8PowerObject::createAudioProj8PowerObject(this); if(!theAudioPowerObject) goto BAIL; break; case kProj10PowerObject: theAudioPowerObject = AudioProj10PowerObject::createAudioProj10PowerObject(this); if(!theAudioPowerObject) goto BAIL; break; case kProj14PowerObject: theAudioPowerObject = AudioProj14PowerObject::createAudioProj14PowerObject(this); if(!theAudioPowerObject) goto BAIL; break; case kProj16PowerObject: theAudioPowerObject = AudioProj16PowerObject::createAudioProj16PowerObject(this); if(!theAudioPowerObject) goto BAIL; break; case kBasePowerObject: default: // basic mute theAudioPowerObject = AudioPowerObject::createAudioPowerObject(this); if(!theAudioPowerObject) goto BAIL; break; } EXIT: DEBUG2_IOLOG("- AppleOnboardAudio::configurePowerObject result = %d\n", (result == kIOReturnSuccess)); return(result); BAIL: result = kIOReturnError; goto EXIT; } // Have to call super::setAggressiveness to complete the function call IOReturn AppleOnboardAudio::setAggressiveness(unsigned long type, unsigned long newLevel) { if (type == kPMPowerSource) { switch (newLevel) { case kIOPMInternalPower: // Running on battery only setIdleAudioSleepTime (kBatteryPowerDownDelayTime); break; case kIOPMExternalPower: // Running on AC power // setIdleAudioSleepTime (kACPowerDownDelayTime); // idle power down after 5 minutes setIdleAudioSleepTime (kNoIdleAudioPowerDown); // don't tell us about going to the idle state break; default: break; } } return super::setAggressiveness(type, newLevel); } IOReturn AppleOnboardAudio::performPowerStateChange(IOAudioDevicePowerState oldPowerState, IOAudioDevicePowerState newPowerState, UInt32 *microsecondsUntilComplete) { IOReturn result; debug4IOLog ("+ AppleOnboardAudio::performPowerStateChange (%d, %d) -- ourPowerState = %d\n", oldPowerState, newPowerState, ourPowerState); if (NULL != theAudioPowerObject) { *microsecondsUntilComplete = theAudioPowerObject->GetTimeToChangePowerState (ourPowerState, newPowerState); } result = super::performPowerStateChange (oldPowerState, newPowerState, microsecondsUntilComplete); if (NULL != theAudioPowerObject) { switch (newPowerState) { case kIOAudioDeviceSleep: if (ourPowerState == kIOAudioDeviceActive) { outputMuteChange (TRUE); // Mute before turning off power theAudioPowerObject->setHardwarePowerOff (); ourPowerState = newPowerState; } break; case kIOAudioDeviceIdle: if (ourPowerState == kIOAudioDeviceActive) { outputMuteChange (TRUE); // Mute before turning off power theAudioPowerObject->setHardwarePowerOff (); ourPowerState = kIOAudioDeviceSleep; } break; case kIOAudioDeviceActive: theAudioPowerObject->setHardwarePowerOn (); if (NULL != outMute) { outMute->flushValue (); // Restore hardware to the user's selected state } ourPowerState = newPowerState; break; default: ; } } debug2IOLog ("- AppleOnboardAudio::performPowerStateChange -- ourPowerState = %d\n", ourPowerState); return result; } //******************************************************************************** // // Receives a notification when the RootDomain changes state. // // Allows us to take action on system sleep, power down, and restart after // applications have received their power change notifications and replied, // but before drivers have powered down. We tell the device to go to sleep for a // silent shutdown on P80 and DACA. //********************************************************************************* IOReturn AppleOnboardAudio::sysPowerDownHandler (void * target, void * refCon, UInt32 messageType, IOService * provider, void * messageArgument, vm_size_t argSize) { AppleOnboardAudio * appleOnboardAudio; IOReturn result; // char message[100]; result = kIOReturnUnsupported; appleOnboardAudio = OSDynamicCast (AppleOnboardAudio, (OSObject *)target); FailIf (NULL == appleOnboardAudio, Exit); switch (messageType) { case kIOMessageSystemWillPowerOff: case kIOMessageSystemWillRestart: // Interested applications have been notified of an impending power // change and have acked (when applicable). // This is our chance to save whatever state we can before powering // down. // Debugger ("about to shut down the hardware"); if (NULL != appleOnboardAudio->theAudioPowerObject) { appleOnboardAudio->theAudioPowerObject->setIdlePowerState (); } result = kIOReturnSuccess; break; default: // sprintf (message, "unknown selector %lx", messageType); // Debugger (message); break; } Exit: return result; } #pragma mark +MODEM SOUND IOReturn AppleOnboardAudio::setModemSound (bool state){ AudioHardwareInput * theInput; UInt32 idx; Boolean wasPoweredDown; debugIOLog ("+ AppleOnboardAudio::setModemSound\n"); // We have to make sure the hardware is on before we can send it any control changes [3000358] if (kIOAudioDeviceSleep == ourPowerState && NULL != theAudioPowerObject) { ourPowerState = kIOAudioDeviceActive; theAudioPowerObject->setHardwarePowerOn (); if (NULL != outMute) { outMute->flushValue (); // Restore hardware to the user's selected state } wasPoweredDown = TRUE; } else { wasPoweredDown = FALSE; } theInput = NULL; if (gIsModemSoundActive == state) goto EXIT; if (FALSE != state) { // do the compare this way since they may pass anything non-0 to mean TRUE, but 0 is always FALSE // we turn the modem on: find the active source, switch to modem, and turn playthrough on if (NULL != AudioInputs) { for (idx = 0; idx < AudioInputs->getCount (); idx++) { theInput = OSDynamicCast (AudioHardwareInput, AudioInputs->getObject (idx)); if (NULL != theInput) { theInput->forceActivation ('modm'); theInput->setInputGain (0,0); } } } sndHWSetPlayThrough (true); } else { // we turn the modem off: turn playthrough off, switch to saved source; sndHWSetPlayThrough (!gIsPlayThroughActive); if (NULL != AudioInputs) { for (idx = 0; idx < AudioInputs->getCount (); idx++) { theInput = OSDynamicCast (AudioHardwareInput, AudioInputs->getObject (idx)); if (NULL != theInput){ theInput->forceActivation (inputSelector->getIntValue ()); theInput->setInputGain (gGainLeft, gGainRight); } } } } gIsModemSoundActive = state; EXIT: // Second half of [3000358], put us back to sleep after the right amount of time if we were off if (TRUE == wasPoweredDown) { scheduleIdleAudioSleep (); } debugIOLog ("- AppleOnboardAudio::setModemSound\n"); return kIOReturnSuccess; } IOReturn AppleOnboardAudio::callPlatformFunction( const OSSymbol * functionName, bool waitForFunction,void *param1, void *param2, void *param3, void *param4 ) { debugIOLog ("+ AppleOnboardAudio::callPlatformFunction\n"); if (functionName->isEqualTo ("setModemSound")) { return (setModemSound ((bool)param1)); } debugIOLog ("- AppleOnboardAudio::callPlatformFunction\n"); return (super::callPlatformFunction (functionName, waitForFunction,param1, param2, param3, param4)); } #pragma mark +PRAM VOLUME //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Calculates the PRAM volume value for stereo volume. UInt8 AppleOnboardAudio::VolumeToPRAMValue (UInt32 inLeftVol, UInt32 inRightVol) { UInt32 pramVolume; // Volume level to store in PRAM UInt32 averageVolume; // summed volume UInt32 volumeRange; UInt32 volumeSteps; UInt32 leftVol; UInt32 rightVol; debug3IOLog ( "+ AppleOnboardAudio::VolumeToPRAMValue ( 0x%X, 0x%X )\n", (unsigned int)inLeftVol, (unsigned int)inRightVol ); pramVolume = 0; // [2886446] Always pass zero as a result when muting!!! if ( ( 0 != inLeftVol ) || ( 0 != inRightVol ) ) { // [2886446] leftVol = inLeftVol; rightVol = inRightVol; if (NULL != outVolLeft) { leftVol -= outVolLeft->getMinValue (); } if (NULL != outVolRight) { rightVol -= outVolRight->getMinValue (); } debug3IOLog ( "... leftVol = 0x%X, rightVol = 0x%X\n", (unsigned int)leftVol, (unsigned int)rightVol ); if (NULL != outVolMaster) { volumeRange = (outVolMaster->getMaxValue () - outVolMaster->getMinValue () + 1); debug2IOLog ( "... outVolMaster volumeRange = 0x%X\n", (unsigned int)volumeRange ); } else if (NULL != outVolLeft) { volumeRange = (outVolLeft->getMaxValue () - outVolLeft->getMinValue () + 1); debug2IOLog ( "... outVolLeft volumeRange = 0x%X\n", (unsigned int)volumeRange ); } else if (NULL != outVolRight) { volumeRange = (outVolRight->getMaxValue () - outVolRight->getMinValue () + 1); debug2IOLog ( "... outVolRight volumeRange = 0x%X\n", (unsigned int)volumeRange ); } else { volumeRange = kMaximumPRAMVolume; debug2IOLog ( "... volumeRange = 0x%X **** NO AUDIO LEVEL CONTROLS!\n", (unsigned int)volumeRange ); } averageVolume = (leftVol + rightVol) >> 1; // sum the channel volumes and get an average debug2IOLog ( "... averageVolume = 0x%X\n", (unsigned int)volumeRange ); debug3IOLog ( "... volumeRange %X, kMaximumPRAMVolume %X\n", (unsigned int)volumeRange, (unsigned int)kMaximumPRAMVolume ); volumeSteps = volumeRange / kMaximumPRAMVolume; // divide the range by the range of the pramVolume pramVolume = averageVolume / volumeSteps; // Since the volume level in PRAM is only worth three bits, // we round small values up to 1. This avoids SysBeep from // flashing the menu bar when it thinks sound is off and // should really just be very quiet. if ((pramVolume == 0) && (leftVol != 0 || rightVol !=0 )) { pramVolume = 1; } } debug2IOLog ( "- AppleOnboardAudio::VolumeToPRAMValue returns 0x%X\n", (unsigned int)pramVolume ); return (pramVolume & 0x07); } UInt32 AppleOnboardAudio::PRAMToVolumeValue (void) { UInt32 volumeRange; UInt32 volumeSteps; if (NULL != outVolLeft) { volumeRange = (outVolLeft->getMaxValue () - outVolLeft->getMinValue () + 1); } else if (NULL != outVolRight) { volumeRange = (outVolRight->getMaxValue () - outVolRight->getMinValue () + 1); } else { volumeRange = kMaximumPRAMVolume; } volumeSteps = volumeRange / kMaximumPRAMVolume; // divide the range by the range of the pramVolume return (volumeSteps * ReadPRAMVol ()); } void AppleOnboardAudio::WritePRAMVol (UInt32 leftVol, UInt32 rightVol) { UInt8 pramVolume; UInt8 curPRAMVol; IODTPlatformExpert * platform; IOReturn err; platform = OSDynamicCast(IODTPlatformExpert,getPlatform()); debug3IOLog("+ AppleOnboardAudio::WritePRAMVol leftVol=%lu, rightVol=%lu\n",leftVol, rightVol); if (platform) { debug2IOLog ( "... platform 0x%X\n", (unsigned int)platform ); pramVolume = VolumeToPRAMValue (leftVol, rightVol); #if 0 curPRAMVol = pramVolume ^ 0xFF; debug3IOLog ( "... target pramVolume = 0x%X, curPRAMVol = 0x%X\n", pramVolume, curPRAMVol ); #endif // get the old value to compare it with err = platform->readXPRAM((IOByteCount)kPRamVolumeAddr, &curPRAMVol, (IOByteCount)1); if ( kIOReturnSuccess == err ) { debug2IOLog ( "... curPRAMVol = 0x%X before write\n", (curPRAMVol & 0x07) ); // Update only if there is a change if (pramVolume != (curPRAMVol & 0x07)) { // clear bottom 3 bits of volume control byte from PRAM low memory image curPRAMVol = (curPRAMVol & 0xF8) | pramVolume; debug2IOLog("... curPRAMVol = 0x%x\n",curPRAMVol); // write out the volume control byte to PRAM err = platform->writeXPRAM((IOByteCount)kPRamVolumeAddr, &curPRAMVol,(IOByteCount) 1); if ( kIOReturnSuccess != err ) { debug5IOLog ( "0x%X = platform->writeXPRAM( 0x%X, & 0x%X, 1 ), value = 0x%X\n", err, (unsigned int)kPRamVolumeAddr, (unsigned int)&curPRAMVol, (unsigned int)curPRAMVol ); } else { #if 0 err = platform->readXPRAM((IOByteCount)kPRamVolumeAddr, &curPRAMVol, (IOByteCount)1); if ( kIOReturnSuccess == err ) { if ( ( 0x07 & curPRAMVol ) != pramVolume ) { debug3IOLog ( "PRAM Read after Write did not compare: Write = 0x%X, Read = 0x%X\n", (unsigned int)pramVolume, (unsigned int)curPRAMVol ); } else { debugIOLog ( "PRAM verified after write!\n" ); } } else { debugIOLog ( "Could not readXPRAM to verify write!\n" ); } #endif } } else { debugIOLog ( "PRAM write request is to current value: no I/O\n" ); } } else { debug2IOLog ( "Could not readXPRAM prior to write! Error 0x%X\n", err ); } } else { debugIOLog ( "... no platform\n" ); } debugIOLog("- AppleOnboardAudio::WritePRAMVol\n"); } UInt8 AppleOnboardAudio::ReadPRAMVol (void) { UInt8 curPRAMVol; IODTPlatformExpert * platform; curPRAMVol = 0; platform = OSDynamicCast(IODTPlatformExpert,getPlatform()); if (platform) { platform->readXPRAM((IOByteCount)kPRamVolumeAddr, &curPRAMVol, (IOByteCount)1); curPRAMVol &= 0x07; } return curPRAMVol; } /* User Client stuff */ //=========================================================================================================================== // newUserClient //=========================================================================================================================== IOReturn AppleOnboardAudio::newUserClient( task_t inOwningTask, void * inSecurityID, UInt32 inType, IOUserClient ** outHandler ) { #pragma unused( inType ) IOReturn err; IOUserClient * userClientPtr; bool result; IOLog( "[AppleOnboardAudio] creating user client for task 0x%08lX\n", ( UInt32 ) inOwningTask ); // Create the user client object. err = kIOReturnNoMemory; userClientPtr = AppleOnboardAudioUserClient::Create( this, inOwningTask ); if( !userClientPtr ) goto exit; // Set up the user client. err = kIOReturnError; result = userClientPtr->attach( this ); if( !result ) goto exit; result = userClientPtr->start( this ); if( !result ) goto exit; // Success. *outHandler = userClientPtr; err = kIOReturnSuccess; exit: IOLog( "[AppleOnboardAudio] newUserClient done (err=%d)\n", err ); if( err != kIOReturnSuccess ) { if( userClientPtr ) { userClientPtr->detach( this ); userClientPtr->release(); } } return( err ); } #if 0 #pragma mark - #endif //=========================================================================================================================== // Static member variables //=========================================================================================================================== /// /// Method Table /// const IOExternalMethod AppleOnboardAudioUserClient::sMethods[] = { // Read { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::gpioRead, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // Write { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::gpioWrite, // func kIOUCScalarIScalarO, // flags 2, // count of input parameters 0 // count of output parameters }, // gpioGetActiveState { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::gpioGetActiveState, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // gpioSetActiveState { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::gpioSetActiveState, // func kIOUCScalarIScalarO, // flags 2, // count of input parameters 0 // count of output parameters }, // gpioCheckIfAvailable { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::gpioCheckAvailable, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // hwRegisterRead32 { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::hwRegisterRead32, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // hwRegisterWrite32 { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::hwRegisterWrite32, // func kIOUCScalarIScalarO, // flags 2, // count of input parameters 0 // count of output parameters }, // codecReadRegister { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::codecReadRegister, // func kIOUCScalarIStructO, // flags 1, // count of input parameters kMaxCodecStructureSize // size of output structure }, // codecWriteRegister { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::codecWriteRegister, // func kIOUCScalarIStructI, // flags 1, // count of input parameters kMaxCodecRegisterWidth // size of input structure }, // readSpeakerID { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::readSpeakerID, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // codecRegisterSize { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::codecRegisterSize, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // readPRAMVolume { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::readPRAMVolume, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // readDMAState { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::readDMAState, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // readStreamFormat { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::readStreamFormat, // func kIOUCScalarIStructO, // flags 1, // count of input parameters sizeof ( IOAudioStreamFormat ) // size of output structure }, // readPowerState { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::readPowerState, // func kIOUCScalarIScalarO, // flags 1, // count of input parameters 1 // count of output parameters }, // hwRegisterWrite32 { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::setPowerState, // func kIOUCScalarIScalarO, // flags 2, // count of input parameters 0 // count of output parameters }, // hwRegisterWrite32 { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::setBiquadCoefficients, // func kIOUCScalarIStructI, // flags 1, // count of input parameters kMaxBiquadWidth // size of input structure }, // getBiquadInfo { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::getBiquadInfo, // func kIOUCScalarIStructO, // flags 1, // count of input parameters kMaxBiquadInfoSize // size of output structure }, // getProcessingParams { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::getProcessingParams, // func kIOUCScalarIStructO, // flags 1, // count of input parameters kMaxProcessingParamSize // size of output structure }, // setProcessingParams { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::setProcessingParams, // func kIOUCScalarIStructI, // flags 1, // count of input parameters kMaxProcessingParamSize // size of input structure }, // invokeInternalFunction { NULL, // object ( IOMethod ) &AppleOnboardAudioUserClient::invokeInternalFunction, // func kIOUCScalarIStructI, // flags 1, // count of input parameters 16 // size of input structure }, }; const IOItemCount AppleOnboardAudioUserClient::sMethodCount = sizeof( AppleOnboardAudioUserClient::sMethods ) / sizeof( AppleOnboardAudioUserClient::sMethods[ 0 ] ); OSDefineMetaClassAndStructors( AppleOnboardAudioUserClient, IOUserClient ) //=========================================================================================================================== // Create //=========================================================================================================================== AppleOnboardAudioUserClient * AppleOnboardAudioUserClient::Create( AppleOnboardAudio *inDriver, task_t inTask ) { AppleOnboardAudioUserClient * userClient; userClient = new AppleOnboardAudioUserClient; if( !userClient ) { IOLog( "[AppleOnboardAudio] create user client object failed\n" ); goto exit; } if( !userClient->initWithDriver( inDriver, inTask ) ) { IOLog( "[AppleOnboardAudio] initWithDriver failed\n" ); userClient->release(); userClient = NULL; goto exit; } IOLog( "[AppleOnboardAudio] User client created for task 0x%08lX\n", ( UInt32 ) inTask ); exit: return( userClient ); } //=========================================================================================================================== // initWithDriver //=========================================================================================================================== bool AppleOnboardAudioUserClient::initWithDriver( AppleOnboardAudio *inDriver, task_t inTask ) { bool result; IOLog( "[AppleOnboardAudio] initWithDriver\n" ); result = false; if( !initWithTask( inTask, NULL, 0 ) ) { IOLog( "[AppleOnboardAudio] initWithTask failed\n" ); goto exit; } if( !inDriver ) { IOLog( "[AppleOnboardAudio] initWithDriver failed (null input driver)\n" ); goto exit; } mDriver = inDriver; mClientTask = inTask; result = true; exit: return( result ); } //=========================================================================================================================== // free //=========================================================================================================================== void AppleOnboardAudioUserClient::free( void ) { IOLog( "[AppleOnboardAudio] free\n" ); IOUserClient::free(); } //=========================================================================================================================== // clientClose //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::clientClose( void ) { IOLog( "[AppleOnboardAudio] clientClose\n" ); if( !isInactive() ) { mDriver = NULL; } return( kIOReturnSuccess ); } //=========================================================================================================================== // clientDied //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::clientDied( void ) { IOLog( "[AppleOnboardAudio] clientDied\n" ); return( clientClose() ); } //=========================================================================================================================== // getTargetAndMethodForIndex //=========================================================================================================================== IOExternalMethod * AppleOnboardAudioUserClient::getTargetAndMethodForIndex( IOService **outTarget, UInt32 inIndex ) { IOExternalMethod * methodPtr; methodPtr = NULL; if( inIndex <= sMethodCount ) { *outTarget = this; methodPtr = ( IOExternalMethod * ) &sMethods[ inIndex ]; } else { IOLog( "[AppleOnboardAudio] getTargetAndMethodForIndex - bad index (index=%lu)\n", inIndex ); } return( methodPtr ); } //=========================================================================================================================== // gpioRead //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::gpioRead (UInt32 selector, UInt8 * gpioState) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != gpioState ) { *gpioState = mDriver->readGPIO ( selector ); err = kIOReturnSuccess; } return (err); } //=========================================================================================================================== // gpioWrite //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::gpioWrite (UInt32 selector, UInt8 data) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver ) { mDriver->writeGPIO ( selector, data ); err = kIOReturnSuccess; } return (err); } //=========================================================================================================================== // gpioGetActiveState //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::gpioGetActiveState (UInt32 selector, UInt8 * gpioActiveState) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != gpioActiveState ) { *gpioActiveState = mDriver->getGPIOActiveState ( selector ); err = kIOReturnSuccess; } return (err); } //=========================================================================================================================== // gpioSetActiveState //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::gpioSetActiveState (UInt32 selector, UInt8 gpioActiveState) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver ) { mDriver->setGPIOActiveState ( selector, gpioActiveState ); err = kIOReturnSuccess; } return (err); } //=========================================================================================================================== // checkIfGPIOExists //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::gpioCheckAvailable ( UInt32 selector, UInt8 * gpioExists ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver || NULL != gpioExists ) { *gpioExists = mDriver->checkGpioAvailable ( selector ); err = kIOReturnSuccess; } return (err); } //=========================================================================================================================== // hwRegisterRead32 //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::hwRegisterRead32 ( UInt32 selector, UInt32 * data ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != data ) { err = mDriver->readHWReg32 ( selector, data ); } return (err); } //=========================================================================================================================== // hwRegisterWrite32 //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::hwRegisterWrite32 ( UInt32 selector, UInt32 data ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver ) { err = mDriver->writeHWReg32 ( selector, data ); } return (err); } //=========================================================================================================================== // codecReadRegister // // This transaction copies the entire codec register cache (up to 512 bytes) in a single transaction in order to // limit the number of user client transactions. If a register cache larger than 512 bytes exists then the // scalarArg1 is used to provide a target 512 byte block address. For register cache sizes of 512 bytes or less, // scalarArg1 will have a value of zero to indicate the base block address. //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::codecReadRegister ( UInt32 scalarArg1, void * outStructPtr, IOByteCount * outStructSizePtr ) { kern_return_t err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != outStructPtr && NULL != outStructSizePtr ) { err = mDriver->readCodecReg ( scalarArg1, outStructPtr, outStructSizePtr ); } return ( err ); } //=========================================================================================================================== // codecWriteRegister //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::codecWriteRegister ( UInt32 selector, void * data, UInt32 inStructSize ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != data ) { err = mDriver->writeCodecReg ( selector, data ); } return (err); } //=========================================================================================================================== // readSpeakerID //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::readSpeakerID ( UInt32 selector, UInt32 * data ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != data ) { err = mDriver->readSpkrID ( selector, data ); } return (err); } //=========================================================================================================================== // codecRegisterSize //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::codecRegisterSize ( UInt32 selector, UInt32 * codecRegSizePtr ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != codecRegSizePtr ) { err = mDriver->getCodecRegSize ( selector, codecRegSizePtr ); } return (err); } //=========================================================================================================================== // readPRAMVolume //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::readPRAMVolume ( UInt32 selector, UInt32 * pramDataPtr ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != pramDataPtr ) { err = (UInt32)mDriver->getVolumePRAM ( pramDataPtr ); } return (err); } //=========================================================================================================================== // readDMAState //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::readDMAState ( UInt32 selector, UInt32 * dmaStatePtr ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != dmaStatePtr ) { err = (UInt32)mDriver->getDmaState ( dmaStatePtr ); } return err; } //=========================================================================================================================== // readStreamFormat //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::readStreamFormat ( UInt32 selector, IOAudioStreamFormat * outStructPtr, IOByteCount * outStructSizePtr ) { #pragma unused ( selector ) IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != outStructPtr && NULL != outStructSizePtr ) { if ( sizeof ( IOAudioStreamFormat ) <= *outStructSizePtr ) { err = (UInt32)mDriver->getStreamFormat ( outStructPtr ); if ( kIOReturnSuccess == err ) { *outStructSizePtr = sizeof ( IOAudioStreamFormat ); } } } return err; } //=========================================================================================================================== // readPowerState //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::readPowerState ( UInt32 selector, IOAudioDevicePowerState * powerState ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != powerState ) { err = mDriver->readPowerState ( selector, powerState ); } return (err); } //=========================================================================================================================== // setPowerState //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::setPowerState ( UInt32 selector, IOAudioDevicePowerState powerState ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver ) { err = mDriver->setPowerState ( selector, powerState ); } return (err); } //=========================================================================================================================== // setBiquadCoefficients // // NOTE: selector is used to pass a streamID. Texas & Texas2 only have a single output stream and require that // the selector be passed with a value of zero. //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::setBiquadCoefficients ( UInt32 selector, void * biquadCoefficients, UInt32 coefficientSize ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != biquadCoefficients && kMaxBiquadWidth >= coefficientSize ) { err = mDriver->setBiquadCoefficients ( selector, biquadCoefficients, coefficientSize ); } return (err); } //=========================================================================================================================== // getBiquadInfo //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::getBiquadInfo ( UInt32 scalarArg1, void * outStructPtr, IOByteCount * outStructSizePtr ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != outStructPtr && NULL != outStructSizePtr ) { err = mDriver->getBiquadInformation ( scalarArg1, outStructPtr, outStructSizePtr ); } return (err); } //=========================================================================================================================== // getProcessingParams //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::getProcessingParams ( UInt32 scalarArg1, void * outStructPtr, IOByteCount * outStructSizePtr ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != outStructPtr && NULL != outStructSizePtr ) { if ( kMaxProcessingParamSize >= *outStructSizePtr ) { err = mDriver->getProcessingParameters ( scalarArg1, outStructPtr, outStructSizePtr ); } } return (err); } //=========================================================================================================================== // setProcessingParams //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::setProcessingParams ( UInt32 scalarArg1, void * inStructPtr, UInt32 inStructSize ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver && NULL != inStructPtr && kMaxProcessingParamSize >= inStructSize ) { err = mDriver->setProcessingParameters ( scalarArg1, inStructPtr, inStructSize ); } return (err); } //=========================================================================================================================== // invokeInternalFunction //=========================================================================================================================== IOReturn AppleOnboardAudioUserClient::invokeInternalFunction ( UInt32 functionSelector, void * inData, UInt32 inDataSize ) { IOReturn err = kIOReturnNotReadable; if ( NULL != mDriver ) { err = mDriver->invokeInternalFunction ( functionSelector, inData ); } return (err); } #if 0 /* The following code goes into whatever application wants to call into AppleOnboardAudio */ //=========================================================================================================================== // Private constants //=========================================================================================================================== enum { kgpioReadIndex = 0, kgpioWriteIndex = 1 }; //=========================================================================================================================== // Private prototypes //=========================================================================================================================== static IOReturn SetupUserClient( void ); static void TearDownUserClient( void ); //=========================================================================================================================== // Globals //=========================================================================================================================== static mach_port_t gMasterPort = 0; static io_object_t gDriverObject = 0; static io_connect_t gDataPort = 0; //=========================================================================================================================== // SetupUserClient //=========================================================================================================================== static IOReturn SetupUserClient( void ) { IOReturn err; CFDictionaryRef matchingDictionary; io_iterator_t serviceIter; // Initialize variables for easier cleanup. err = kIOReturnSuccess; matchingDictionary = NULL; serviceIter = NULL; // Exit quickly if we're already set up. if( gDataPort ) { goto exit; } // Get a port so we can communicate with IOKit. err = IOMasterPort( NULL, &gMasterPort ); if( err != kIOReturnSuccess ) goto exit; // Build a dictionary of all the services matching our service name. Note that we do not release the dictionary // if IOServiceGetMatchingServices succeeds because it does the release itself. err = kIOReturnNotFound; matchingDictionary = IOServiceNameMatching( "AppleTexasAudio" ); if( !matchingDictionary ) goto exit; err = IOServiceGetMatchingServices( gMasterPort, matchingDictionary, &serviceIter ); if( err != kIOReturnSuccess ) goto exit; matchingDictionary = NULL; err = kIOReturnNotFound; gDriverObject = IOIteratorNext( serviceIter ); if( !gDriverObject ) goto exit; // Open a connection to our service so we can talk to it. err = IOServiceOpen( gDriverObject, mach_task_self(), 0, &gDataPort ); if( err != kIOReturnSuccess ) goto exit; // Success. Clean up stuff and we're done. exit: if( serviceIter ) { IOObjectRelease( serviceIter ); } if( matchingDictionary ) { CFRelease( matchingDictionary ); } if( err != kIOReturnSuccess ) { TearDownUserClient(); } return( err ); } //=========================================================================================================================== // TearDownUserClient //=========================================================================================================================== static void TearDownUserClient( void ) { if( gDataPort ) { IOServiceClose( gDataPort ); gDataPort = 0; } if( gDriverObject ) { IOObjectRelease( gDriverObject ); gDriverObject = NULL; } if( gMasterPort ) { mach_port_deallocate( mach_task_self(), gMasterPort ); gMasterPort = 0; } } #if 0 #pragma mark - #endif //=========================================================================================================================== // gpioRead //=========================================================================================================================== OSStatus gpioRead( UInt32 selector, UInt8 * gpioState ) { OSStatus err; // Set up user client if not already set up. err = SetupUserClient(); if( err != noErr ) goto exit; // RPC to the kernel. err = IOConnectMethodScalarIScalarO( gDataPort, kgpioReadIndex, 1, 1, selector, gpioState ); if( err != noErr ) goto exit; exit: return( err ); } //=========================================================================================================================== // gpioWrite //=========================================================================================================================== OSStatus gpioWrite( UInt32 selector, UInt8 value ) { OSStatus err; // Set up user client if not already set up. err = SetupUserClient(); if( err != noErr ) goto exit; // RPC to the kernel. err = IOConnectMethodScalarIScalarO( gDataPort, kgpioWriteIndex, 2, 0, selector, gpioState ); if( err != noErr ) goto exit; exit: return( err ); } //=========================================================================================================================== // getGPIOAddress //=========================================================================================================================== OSStatus gpioGetAddress( UInt32 selector, UInt8 ** gpioAddress ) { OSStatus err; // Set up user client if not already set up. err = SetupUserClient(); if( err != noErr ) goto exit; // RPC to the kernel. err = IOConnectMethodScalarIScalarO( gDataPort, kgpiogetAddressIndex, 2, selector, gpioAddress ); if( err != noErr ) goto exit; exit: return( err ); } #endif