src/add-ons/kernel/drivers/audio/ac97/sis7018/Mixer.h

   1 /*
   2  *      SiS 7018, Trident 4D Wave DX/NX, Acer Lab M5451 Sound Driver.
   3  *      Copyright (c) 2002, 2008-2011 S.Zharski <imker@gmx.li>
   4  *      Distributed under the terms of the MIT license.
   5  *
   6  */
   7 #ifndef _SiS7018_MIXER_H_
   8 #define _SiS7018_MIXER_H_
   9
  10
  11 #include <OS.h>
  12
  13 #include "ac97.h"
  14 #include "hmulti_audio.h"
  15
  16
  17 class Device;
  18 struct GainInfo;
  19 struct MIXControlInfo;
  20
  21 class Mixer {
  22
  23 public:
  24                                         Mixer(Device *cdc);
  25
  26                 void            Init();
  27                 void            Free();
  28
  29                 status_t        GetMix(multi_mix_value_info *Info);
  30                 status_t        SetMix(multi_mix_value_info *Info);
  31                 status_t        ListMixControls(multi_mix_control_info* Info);
  32
  33                 uint32          InputRates() { return fInputRates; }
  34                 uint32          OutputRates() { return fOutputRates; }
  35                 uint32          InputFormats() { return fInputFormats; }
  36                 uint32          OutputFormats() { return fOutputFormats; }
  37
  38                 void            SetOutputRate(uint32 rate);
  39
  40 private:
  41                 void            _ReadSupportedFormats();
  42                 bool            _WaitPortReady(uint8 reg, uint32 mask, uint32* result = NULL);
  43                 bool            _WaitSTimerReady();
  44                 uint16          _ReadAC97(uint8 reg);
  45                 void            _WriteAC97(uint8 reg, uint16 date);
  46 static  uint16          _ReadAC97(void* cookie, uint8 reg);
  47 static  void            _WriteAC97(void* cookie, uint8 reg, uint16 data);
  48                 bool            _CheckRegFeatures(uint8 AC97Reg, uint16& mask, uint16& result);
  49                 bool            _CorrectMIXControlInfo(MIXControlInfo& info, GainInfo& gainInfo);
  50                 void            _InitGainLimits(multi_mix_control& Control, GainInfo& Info);
  51                 int32           _CreateMIXControlGroup(multi_mix_control_info* MultiInfo,
  52                                                 int32& index, int32 parentIndex, MIXControlInfo& Info);
  53
  54                 Device*         fDevice;
  55                 ac97_dev*       fAC97Dev;
  56                 uint8           fReadPort;
  57                 uint8           fWritePort;
  58                 uint32          fMaskRW;
  59                 uint32          fMaskRD;
  60                 uint32          fMaskWD;
  61
  62                 bool            fHasVRA;
  63                 uint32          fInputRates;
  64                 uint32          fOutputRates;
  65                 uint32          fInputFormats;
  66                 uint32          fOutputFormats;
  67 };
  68
  69
  70 #endif // _SiS7018_MIXER_H_
  71