| 1 | /* SCCSID = %W% %E% */
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| 2 | /****************************************************************************
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| 3 | * *
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| 4 | * Copyright (c) IBM Corporation 1994 - 1997. *
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| 5 | * *
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| 6 | * The following IBM OS/2 source code is provided to you solely for the *
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| 7 | * the purpose of assisting you in your development of OS/2 device drivers. *
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| 8 | * You may use this code in accordance with the IBM License Agreement *
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| 9 | * provided in the IBM Device Driver Source Kit for OS/2. *
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| 10 | * *
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| 11 | ****************************************************************************/
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| 12 | /**@internal %W%
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| 13 | * FMSYNTH object definition.
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| 14 | * @version %I%
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| 15 | * @context
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| 16 | * Unless otherwise noted, all interfaces are Ring-0, 16-bit, kernel stack.
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| 17 | * @notes
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| 18 | * @history
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| 19 | */
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| 20 |
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| 21 | #ifndef FMSYNTH_INCLUDED
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| 22 | #define FMSYNTH_INCLUDED
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| 23 |
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| 24 | #ifndef OS2_INCLUDED
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| 25 | #define INCL_NOPMAPI
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| 26 | #include <os2.h>
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| 27 | #endif
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| 28 |
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| 29 | #include "maudio.hpp"
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| 30 | #include "fmadlib.h" // NPALLOC_Q
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| 31 |
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| 32 | class FMSYNTH : public MIDIAUDIO {
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| 33 | public:
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| 34 |
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| 35 | // Constructors. No destructor needed.
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| 36 | FMSYNTH( USHORT portNum, TIMER* pTimer ) :
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| 37 | MIDIAUDIO ( AUDIOHW_FMSYNTH_PLAY, pTimer ), _port ( portNum ) {};
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| 38 |
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| 39 | // Public methods
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| 40 | // virtual int writeByte( BYTE b );
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| 41 | // virtual int readByte( void );
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| 42 |
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| 43 | inline int Initialize(void) { return FMInit(); }; // Initialize the board at task time
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| 44 |
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| 45 | virtual int Start(STREAM *stream);
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| 46 | virtual int Stop(STREAM *stream);
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| 47 | virtual int Pause(STREAM *stream); // Pause the operation
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| 48 | virtual int Resume(STREAM *stream); // Resume the operation
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| 49 |
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| 50 | // fmdo.cpp - Standard MIDI channel commands.
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| 51 | virtual void noteOff( BYTE mchan, BYTE note, BYTE velocity );
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| 52 | virtual void noteOn( BYTE mchan, BYTE note, BYTE velocity );
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| 53 | virtual void polyphonicPressure( BYTE mchan, BYTE note, BYTE value );
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| 54 | virtual void controlChange( BYTE mchan, BYTE control_number, BYTE value );
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| 55 | virtual void programChange( BYTE mchan, BYTE program_number );
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| 56 | virtual void channelPressure( BYTE mchan, BYTE value );
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| 57 | virtual void pitchBend( BYTE mchan, BYTE value_lsb, BYTE value_msb );
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| 58 |
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| 59 |
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| 60 | private:
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| 61 | // Private data
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| 62 | const USHORT _port; // Port through which the FMSYNTH is operated.
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| 63 | // Often 0x388. 1st of 4 consecutive ports.
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| 64 | void (*fnPtr)(int op);
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| 65 |
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| 66 | // fmadlib.cpp
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| 67 | void set_pitch_range(unsigned p_range);
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| 68 | long calc_pitch(int m_chan);
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| 69 | void set_pitch_of_this_voice(unsigned voice, long pitchBend);
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| 70 | void InitSlotParams(void);
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| 71 | void set_a_param_in_a_slot(unsigned slot, char * cParam);
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| 72 | void SndOutputSlot(int addr, int slot, int val);
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| 73 | void SndOutputVx(int addr, int vx, int val);
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| 74 | void SetVoicePan_and_FB(int voice, char pan); /* FeedBack field and C = ! FM */
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| 75 | void set_all_the_params_in_a_slot(int slot);
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| 76 | void set_the_ksl_in_a_slot(int slot);
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| 77 | void send_modulation_params(void);
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| 78 | void SetFreq(unsigned voice, int pitch);
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| 79 | void SoundChut(int voice);
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| 80 | void SetOplMode(int mode);
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| 81 | void SoundColdInit();
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| 82 | void SetVoiceVolume(int voice, unsigned volume);
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| 83 | void _NoteOn(unsigned voice, int pitch);
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| 84 | void _NoteOff(unsigned voice);
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| 85 |
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| 86 | // fmassign.cpp
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| 87 | void do_sus_off(int op);
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| 88 | void for_all_ops_on_chan(BYTE mchan, int functionID );
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| 89 | void init_q(void);
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| 90 | void init_q_sub(NPALLOC_Q q, int size, int limit);
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| 91 | int remove_target(int p, int chan, int * op);
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| 92 | int remove_target2(int p, int chan, int * op);
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| 93 | int remove_target_sub(int p, int chan, int * op, NPALLOC_Q q);
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| 94 | void add_q(int p, int chan, int * op);
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| 95 | void add_q2(int p, int chan, int * op);
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| 96 | void add_q_sub(int p, int chan, int * op, NPALLOC_Q q, int limit);
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| 97 | void shut_off_chan_voice(int op);
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| 98 | void shut_off_oldest(NPALLOC_Q q);
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| 99 | void shut_off_all(void);
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| 100 | void shut_off_all_sub( NPALLOC_Q q);
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| 101 | void remove_next_q(int * op, NPALLOC_Q q);
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| 102 |
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| 103 | // fmdo.cpp
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| 104 | void update_pgm(int pgm);
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| 105 | void update_drum_pgm(int pgm);
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| 106 | void set_normalized_voice_volume(int voice, int vel, int chan);
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| 107 | void handle_data_entry( BYTE mchan );
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| 108 | void do_handle_pitch_bend(int op);
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| 109 | int pitch_to_drum(int pitch);
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| 110 | void init_chan_etc(void);
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| 111 |
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| 112 | // fmout.cpp
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| 113 | static void OplWrite(USHORT usPort, UCHAR uchOffset, UCHAR uchData);
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| 114 |
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| 115 | inline void SndOutput1(USHORT addr, USHORT data)
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| 116 | {
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| 117 | OplWrite(_port, (UCHAR)addr, (UCHAR)data);
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| 118 | };
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| 119 |
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| 120 | inline void SndOpl3_2_1(USHORT addr, USHORT data)
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| 121 | {
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| 122 | OplWrite(_port+2, (UCHAR)addr, (UCHAR)data);
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| 123 | };
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| 124 |
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| 125 | // fmmain.cpp
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| 126 | BOOL FMInit();
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| 127 | void do_reset(int first);
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| 128 | void reset_all(void);
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| 129 | };
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| 130 |
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| 131 | #endif // FMSYNTH_INCLUDED
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