sys/dev/midisynvar.h

37 typedef struct midisyn midisyn;
40  * Important: any synth driver that uses midisyn must set up its methods
45  * versioning burden.  Because midisyn is at present a very rudimentary and
52 	int  (*open)	(midisyn *, int /* flags */);
53 	void (*close)   (midisyn *);
54 	int  (*ioctl)   (midisyn *, u_long, void *, int, struct lwp *);
56 	 * allocv(midisyn *ms, uint_fast8_t chan, uint_fast8_t key);
66 	uint_fast16_t  (*allocv)  (midisyn *, uint_fast8_t, uint_fast8_t);
68 	 * attackv(midisyn *ms,
72 	 * adjustment controls that midisyn supports and that the driver has
75 	 * negative) and again accounts for all level adjustments midisyn
80 	void (*attackv)  (midisyn *, uint_fast16_t, midipitch_t, int16_t);
82 	 * attackv_vel(midisyn *ms, uint_fast16_t voice,
88 	 * does not supply this method, midisyn will call the attackv method
91 	void (*attackv_vel) (midisyn *,
94 	 * releasev(midisyn *ms, uint_fast16_t voice, uint_fast8_t vel);
99 	void (*releasev) (midisyn *, uint_fast16_t, uint_fast8_t);
101 	 * repitchv(midisyn *ms, uint_fast16_t voice, midipitch_t mp);
104 	 * [not yet implemented in midisyn]
106 	void (*repitchv) (midisyn *, uint_fast16_t, midipitch_t);
108 	 * relevelv(midisyn *ms, uint_fast16_t voice, int16_t level_cB);
113 	 * driver may save the last level it got from midisyn, subtract from
115 	 * the envelope generator. Or not.... [not yet implemented in midisyn]
117 	void (*relevelv) (midisyn *, uint_fast16_t, int16_t);
119 	 * pgmchg(midisyn *ms, uint_fast8_t chan, uint_fast8_t pgm);
123 	void (*pgmchg)  (midisyn *, uint_fast8_t, uint_fast8_t);
125 	 * ctlnotice(midisyn *ms,
130 	 * by midisyn if the driver ignores them, but will be left to the driver
131 	 * if it returns non-zero. For example, midisyn will usually combine
134 	 * responding to the volume controller on its own, midisyn will leave
144 	int (*ctlnotice) (midisyn *, midictl_evt, uint_fast8_t, uint_fast16_t);
160 struct midisyn {
169 	/* Set up by midisyn but available to synth driver for reading ctls */
173 	 * processing a call from midisyn, and not at other times such as upon
178 	/* Used by midisyn driver */
189 void	midisyn_init(midisyn *);