AudioDevice.h

#include "DriverData.h"

#ifndef _Envy24HTAudioDevice_H
#define _Envy24HTAudioDevice_H

#include <IOKit/audio/IOAudioDevice.h>

#ifdef DEBUG
#define DBGPRINT(msg,...)    IOLog(msg, ##__VA_ARGS__)
#else
#define DBGPRINT(msg,...)
#endif

class IOPCIDevice;
class IOMemoryMap;

#define Envy24HTAudioDevice com_audio_evolution_driver_Envy24HT


class Envy24HTAudioDevice : public IOAudioDevice
{
    friend class Envy24HTAudioEngine;
    
    OSDeclareDefaultStructors(Envy24HTAudioDevice)
    
    struct CardData *card;
    
    virtual bool    initHardware(IOService *provider);
    virtual bool    createAudioEngine();
    virtual void    free();
    virtual IOReturn performPowerStateChange(IOAudioDevicePowerState oldPowerState,
                                             IOAudioDevicePowerState newPowerState,
                                             UInt32 *microsecondsUntilComplete);
    
    void dumpRegisters();
    
    static IOReturn volumeChangeHandler(IOService *target, IOAudioControl *volumeControl, SInt32 oldValue, SInt32 newValue);
    virtual IOReturn volumeChanged(IOAudioControl *volumeControl, SInt32 oldValue, SInt32 newValue);
    
    static IOReturn outputMuteChangeHandler(IOService *target, IOAudioControl *muteControl, SInt32 oldValue, SInt32 newValue);
    virtual IOReturn outputMuteChanged(IOAudioControl *muteControl, SInt32 oldValue, SInt32 newValue);
    
    static IOReturn gainChangeHandler(IOService *target, IOAudioControl *gainControl, SInt32 oldValue, SInt32 newValue);
    virtual IOReturn gainChanged(IOAudioControl *gainControl, SInt32 oldValue, SInt32 newValue);
    
    static IOReturn inputMuteChangeHandler(IOService *target, IOAudioControl *muteControl, SInt32 oldValue, SInt32 newValue);
    virtual IOReturn inputMuteChanged(IOAudioControl *muteControl, SInt32 oldValue, SInt32 newValue);
};

#endif /* _Envy24HTAudioDevice_H */