/*
 *      SiS 7018, Trident 4D Wave DX/NX, Acer Lab M5451 Sound Driver.
 *      Copyright (c) 2002, 2008-2011 S.Zharski <imker@gmx.li>
 *      Distributed under the terms of the MIT license.
 *
 */
#ifndef _SiS7018_MIXER_H_
#define _SiS7018_MIXER_H_


#include <OS.h>

#include "ac97.h"
#include "hmulti_audio.h"


class Device;
struct GainInfo;
struct MIXControlInfo;

class Mixer {

public:
                                        Mixer(Device *cdc);
        
                void            Init();
                void            Free();

                status_t        GetMix(multi_mix_value_info *Info);
                status_t        SetMix(multi_mix_value_info *Info);
                status_t        ListMixControls(multi_mix_control_info* Info);

                uint32          InputRates() { return fInputRates; }
                uint32          OutputRates() { return fOutputRates; }
                uint32          InputFormats() { return fInputFormats; }
                uint32          OutputFormats() { return fOutputFormats; }

                void            SetOutputRate(uint32 rate);

private:
                void            _ReadSupportedFormats();
                bool            _WaitPortReady(uint8 reg, uint32 mask, uint32* result = NULL);
                bool            _WaitSTimerReady();
                uint16          _ReadAC97(uint8 reg);
                void            _WriteAC97(uint8 reg, uint16 date);
static  uint16          _ReadAC97(void* cookie, uint8 reg);
static  void            _WriteAC97(void* cookie, uint8 reg, uint16 data);
                bool            _CheckRegFeatures(uint8 AC97Reg, uint16& mask, uint16& result);
                bool            _CorrectMIXControlInfo(MIXControlInfo& info, GainInfo& gainInfo);
                void            _InitGainLimits(multi_mix_control& Control, GainInfo& Info);
                int32           _CreateMIXControlGroup(multi_mix_control_info* MultiInfo,
                                                int32& index, int32 parentIndex, MIXControlInfo& Info);

                Device*         fDevice;
                ac97_dev*       fAC97Dev;
                uint8           fReadPort;
                uint8           fWritePort;
                uint32          fMaskRW;
                uint32          fMaskRD;
                uint32          fMaskWD;

                bool            fHasVRA;
                uint32          fInputRates;
                uint32          fOutputRates;
                uint32          fInputFormats;
                uint32          fOutputFormats;
};


#endif // _SiS7018_MIXER_H_