2 * Copyright (c) 2003 Mathew Kanner
3 * Copyright (c) 1993 Hannu Savolainen
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * The sequencer personality manager.
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/ioccom.h>
39 #include <sys/filio.h>
41 #include <sys/sockio.h>
42 #include <sys/fcntl.h>
45 #include <sys/sysctl.h>
47 #include <sys/kernel.h> /* for DATA_SET */
49 #include <sys/module.h>
53 #include <sys/syslog.h>
54 #include <sys/errno.h>
55 #include <sys/malloc.h>
57 #include <machine/resource.h>
58 #include <machine/bus.h>
59 #include <machine/clock.h> /* for DELAY */
60 #include <sys/soundcard.h>
64 #include <sys/mutex.h>
65 #include <sys/condvar.h>
66 #include <sys/kthread.h>
67 #include <sys/unistd.h>
68 #include <sys/selinfo.h>
71 #include <dev/sound/midi/midi.h>
72 #include <dev/sound/midi/midiq.h>
75 #include <dev/sound/midi/sequencer.h>
77 #define TMR_TIMERBASE 13
79 #define SND_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM
80 * synthesizer and MIDI output) */
81 #define SND_DEV_MUSIC 8 /* /dev/music, level 2 interface */
83 /* Length of a sequencer event. */
88 #define LOOKUP_EXIST (0)
89 #define LOOKUP_OPEN (1)
90 #define LOOKUP_CLOSE (2)
92 #define PCMMKMINOR(u, d, c) \
93 ((((c) & 0xff) << 16) | (((u) & 0x0f) << 4) | ((d) & 0x0f))
94 #define MIDIMKMINOR(u, d, c) PCMMKMINOR(u, d, c)
95 #define MIDIUNIT(y) ((minor(y) >> 4) & 0x0f)
96 #define MIDIDEV(y) (minor(y) & 0x0f)
98 /* These are the entries to the sequencer driver. */
99 static d_open_t seq_open;
100 static d_close_t seq_close;
101 static d_ioctl_t seq_ioctl;
102 static d_read_t seq_read;
103 static d_write_t seq_write;
104 static d_poll_t seq_poll;
106 static struct cdevsw seq_cdevsw = {
107 .d_version = D_VERSION,
109 .d_close = seq_close,
111 .d_write = seq_write,
112 .d_ioctl = seq_ioctl,
114 .d_name = "sequencer",
120 struct mtx seq_lock, q_lock;
121 struct cv empty_cv, reset_cv, in_cv, out_cv, state_cv, th_cv;
123 MIDIQ_HEAD(, u_char) in_q, out_q;
126 /* Flags (protected by flag_mtx of mididev_info) */
127 int fflags; /* Access mode */
130 int out_water; /* Sequence output threshould */
131 snd_sync_parm sync_parm; /* AIOSYNC parameter set */
132 struct thread *sync_thread; /* AIOSYNCing thread */
133 struct selinfo in_sel, out_sel;
135 struct cdev *seqdev, *musicdev;
142 struct timeval timerstop, timersub;
143 int timerbase, tempo;
149 int pre_event_timeout;
154 * Module specific stuff, including how many sequecers
158 SYSCTL_NODE(_hw_midi, OID_AUTO, seq, CTLFLAG_RD, 0, "Midi sequencer");
161 /* XXX: should this be moved into debug.midi? */
162 SYSCTL_INT(_hw_midi_seq, OID_AUTO, debug, CTLFLAG_RW, &seq_debug, 0, "");
164 midi_cmdtab cmdtab_seqevent[] = {
165 {SEQ_NOTEOFF, "SEQ_NOTEOFF"},
166 {SEQ_NOTEON, "SEQ_NOTEON"},
167 {SEQ_WAIT, "SEQ_WAIT"},
168 {SEQ_PGMCHANGE, "SEQ_PGMCHANGE"},
169 {SEQ_SYNCTIMER, "SEQ_SYNCTIMER"},
170 {SEQ_MIDIPUTC, "SEQ_MIDIPUTC"},
171 {SEQ_DRUMON, "SEQ_DRUMON"},
172 {SEQ_DRUMOFF, "SEQ_DRUMOFF"},
173 {SEQ_ECHO, "SEQ_ECHO"},
174 {SEQ_AFTERTOUCH, "SEQ_AFTERTOUCH"},
175 {SEQ_CONTROLLER, "SEQ_CONTROLLER"},
176 {SEQ_BALANCE, "SEQ_BALANCE"},
177 {SEQ_VOLMODE, "SEQ_VOLMODE"},
178 {SEQ_FULLSIZE, "SEQ_FULLSIZE"},
179 {SEQ_PRIVATE, "SEQ_PRIVATE"},
180 {SEQ_EXTENDED, "SEQ_EXTENDED"},
181 {EV_SEQ_LOCAL, "EV_SEQ_LOCAL"},
182 {EV_TIMING, "EV_TIMING"},
183 {EV_CHN_COMMON, "EV_CHN_COMMON"},
184 {EV_CHN_VOICE, "EV_CHN_VOICE"},
185 {EV_SYSEX, "EV_SYSEX"},
189 midi_cmdtab cmdtab_seqioctl[] = {
190 {SNDCTL_SEQ_RESET, "SNDCTL_SEQ_RESET"},
191 {SNDCTL_SEQ_SYNC, "SNDCTL_SEQ_SYNC"},
192 {SNDCTL_SYNTH_INFO, "SNDCTL_SYNTH_INFO"},
193 {SNDCTL_SEQ_CTRLRATE, "SNDCTL_SEQ_CTRLRATE"},
194 {SNDCTL_SEQ_GETOUTCOUNT, "SNDCTL_SEQ_GETOUTCOUNT"},
195 {SNDCTL_SEQ_GETINCOUNT, "SNDCTL_SEQ_GETINCOUNT"},
196 {SNDCTL_SEQ_PERCMODE, "SNDCTL_SEQ_PERCMODE"},
197 {SNDCTL_FM_LOAD_INSTR, "SNDCTL_FM_LOAD_INSTR"},
198 {SNDCTL_SEQ_TESTMIDI, "SNDCTL_SEQ_TESTMIDI"},
199 {SNDCTL_SEQ_RESETSAMPLES, "SNDCTL_SEQ_RESETSAMPLES"},
200 {SNDCTL_SEQ_NRSYNTHS, "SNDCTL_SEQ_NRSYNTHS"},
201 {SNDCTL_SEQ_NRMIDIS, "SNDCTL_SEQ_NRMIDIS"},
202 {SNDCTL_SEQ_GETTIME, "SNDCTL_SEQ_GETTIME"},
203 {SNDCTL_MIDI_INFO, "SNDCTL_MIDI_INFO"},
204 {SNDCTL_SEQ_THRESHOLD, "SNDCTL_SEQ_THRESHOLD"},
205 {SNDCTL_SYNTH_MEMAVL, "SNDCTL_SYNTH_MEMAVL"},
206 {SNDCTL_FM_4OP_ENABLE, "SNDCTL_FM_4OP_ENABLE"},
207 {SNDCTL_PMGR_ACCESS, "SNDCTL_PMGR_ACCESS"},
208 {SNDCTL_SEQ_PANIC, "SNDCTL_SEQ_PANIC"},
209 {SNDCTL_SEQ_OUTOFBAND, "SNDCTL_SEQ_OUTOFBAND"},
210 {SNDCTL_TMR_TIMEBASE, "SNDCTL_TMR_TIMEBASE"},
211 {SNDCTL_TMR_START, "SNDCTL_TMR_START"},
212 {SNDCTL_TMR_STOP, "SNDCTL_TMR_STOP"},
213 {SNDCTL_TMR_CONTINUE, "SNDCTL_TMR_CONTINUE"},
214 {SNDCTL_TMR_TEMPO, "SNDCTL_TMR_TEMPO"},
215 {SNDCTL_TMR_SOURCE, "SNDCTL_TMR_SOURCE"},
216 {SNDCTL_TMR_METRONOME, "SNDCTL_TMR_METRONOME"},
217 {SNDCTL_TMR_SELECT, "SNDCTL_TMR_SELECT"},
218 {SNDCTL_MIDI_PRETIME, "SNDCTL_MIDI_PRETIME"},
219 {AIONWRITE, "AIONWRITE"},
220 {AIOGSIZE, "AIOGSIZE"},
221 {AIOSSIZE, "AIOSSIZE"},
222 {AIOGFMT, "AIOGFMT"},
223 {AIOSFMT, "AIOSFMT"},
224 {AIOGMIX, "AIOGMIX"},
225 {AIOSMIX, "AIOSMIX"},
226 {AIOSTOP, "AIOSTOP"},
227 {AIOSYNC, "AIOSYNC"},
228 {AIOGCAP, "AIOGCAP"},
232 midi_cmdtab cmdtab_timer[] = {
233 {TMR_WAIT_REL, "TMR_WAIT_REL"},
234 {TMR_WAIT_ABS, "TMR_WAIT_ABS"},
235 {TMR_STOP, "TMR_STOP"},
236 {TMR_START, "TMR_START"},
237 {TMR_CONTINUE, "TMR_CONTINUE"},
238 {TMR_TEMPO, "TMR_TEMPO"},
239 {TMR_ECHO, "TMR_ECHO"},
240 {TMR_CLOCK, "TMR_CLOCK"},
241 {TMR_SPP, "TMR_SPP"},
242 {TMR_TIMESIG, "TMR_TIMESIG"},
246 midi_cmdtab cmdtab_seqcv[] = {
247 {MIDI_NOTEOFF, "MIDI_NOTEOFF"},
248 {MIDI_NOTEON, "MIDI_NOTEON"},
249 {MIDI_KEY_PRESSURE, "MIDI_KEY_PRESSURE"},
253 midi_cmdtab cmdtab_seqccmn[] = {
254 {MIDI_CTL_CHANGE, "MIDI_CTL_CHANGE"},
255 {MIDI_PGM_CHANGE, "MIDI_PGM_CHANGE"},
256 {MIDI_CHN_PRESSURE, "MIDI_CHN_PRESSURE"},
257 {MIDI_PITCH_BEND, "MIDI_PITCH_BEND"},
258 {MIDI_SYSTEM_PREFIX, "MIDI_SYSTEM_PREFIX"},
263 * static const char *mpu401_mprovider(kobj_t obj, struct mpu401 *m);
266 static kobj_method_t seq_methods[] = {
267 /* KOBJMETHOD(mpu_provider,mpu401_mprovider), */
271 DEFINE_CLASS(sequencer, seq_methods, 0);
273 /* The followings are the local function. */
274 static int seq_convertold(u_char *event, u_char *out);
277 * static void seq_midiinput(struct seq_softc * scp, void *md);
279 static void seq_reset(struct seq_softc *scp);
280 static int seq_sync(struct seq_softc *scp);
282 static int seq_processevent(struct seq_softc *scp, u_char *event);
284 static int seq_timing(struct seq_softc *scp, u_char *event);
285 static int seq_local(struct seq_softc *scp, u_char *event);
287 static int seq_chnvoice(struct seq_softc *scp, kobj_t md, u_char *event);
288 static int seq_chncommon(struct seq_softc *scp, kobj_t md, u_char *event);
289 static int seq_sysex(struct seq_softc *scp, kobj_t md, u_char *event);
291 static int seq_fetch_mid(struct seq_softc *scp, int unit, kobj_t *md);
292 void seq_copytoinput(struct seq_softc *scp, u_char *event, int len);
293 int seq_modevent(module_t mod, int type, void *data);
294 struct seq_softc *seqs[10];
295 static struct mtx seqinfo_mtx;
296 static u_long nseq = 0;
298 static void timer_start(struct seq_softc *t);
299 static void timer_stop(struct seq_softc *t);
300 static void timer_setvals(struct seq_softc *t, int tempo, int timerbase);
301 static void timer_wait(struct seq_softc *t, int ticks, int wait_abs);
302 static int timer_now(struct seq_softc *t);
306 timer_start(struct seq_softc *t)
309 getmicrotime(&t->timersub);
313 timer_continue(struct seq_softc *t)
317 if (t->timerrun == 1)
321 timevalsub(&now, &t->timerstop);
322 timevaladd(&t->timersub, &now);
326 timer_stop(struct seq_softc *t)
329 getmicrotime(&t->timerstop);
333 timer_setvals(struct seq_softc *t, int tempo, int timerbase)
336 t->timerbase = timerbase;
340 timer_wait(struct seq_softc *t, int ticks, int wait_abs)
342 struct timeval now, when;
344 unsigned long long i;
346 while (t->timerrun == 0) {
347 SEQ_DEBUG(2, printf("Timer wait when timer isn't running\n"));
349 * The old sequencer used timeouts that only increased
350 * the timer when the timer was running.
351 * Hence the sequencer would stick (?) if the
352 * timer was disabled.
354 cv_wait(&t->reset_cv, &t->seq_lock);
359 i = ticks * 60ull * 1000000ull / (t->tempo * t->timerbase);
361 when.tv_sec = i / 1000000;
362 when.tv_usec = i % 1000000;
365 printf("timer_wait tempo %d timerbase %d ticks %d abs %d u_sec %llu\n",
366 t->tempo, t->timerbase, ticks, wait_abs, i);
371 timevalsub(&now, &t->timersub);
372 timevalsub(&when, &now);
374 if (when.tv_sec < 0 || when.tv_usec < 0) {
376 printf("seq_timer error negative time %lds.%06lds\n",
377 (long)when.tv_sec, (long)when.tv_usec));
380 i = when.tv_sec * 1000000ull;
385 printf("seq_timer usec %llu ticks %llu\n",
386 when.tv_sec * 1000000ull + when.tv_usec, i);
389 ret = cv_timedwait(&t->reset_cv, &t->seq_lock, i + 1);
392 if (ret != EWOULDBLOCK)
393 SEQ_DEBUG(3, printf("seq_timer didn't timeout\n"));
398 timer_now(struct seq_softc *t)
401 unsigned long long i;
404 if (t->timerrun == 0)
409 timevalsub(&now, &t->timersub);
411 i = now.tv_sec * 1000000ull;
419 * printf("timer_now: %llu %d\n", i, ret);
426 seq_eventthread(void *arg)
428 struct seq_softc *scp = arg;
431 mtx_lock(&scp->seq_lock);
432 SEQ_DEBUG(2, printf("seq_eventthread started\n"));
433 while (scp->done == 0) {
435 while (scp->playing == 0) {
436 cv_wait(&scp->state_cv, &scp->seq_lock);
441 while (MIDIQ_EMPTY(scp->out_q)) {
442 cv_broadcast(&scp->empty_cv);
443 cv_wait(&scp->out_cv, &scp->seq_lock);
444 if (scp->playing == 0)
450 MIDIQ_DEQ(scp->out_q, event, EV_SZ);
452 if (MIDIQ_AVAIL(scp->out_q) < scp->out_water) {
453 cv_broadcast(&scp->out_cv);
454 selwakeup(&scp->out_sel);
456 seq_processevent(scp, event);
460 cv_broadcast(&scp->th_cv);
461 mtx_unlock(&scp->seq_lock);
463 SEQ_DEBUG(2, printf("seq_eventthread finished\n"));
468 * seq_processevent: This maybe called by the event thread or the IOCTL
469 * handler for queued and out of band events respectively.
472 seq_processevent(struct seq_softc *scp, u_char *event)
479 if (event[0] == EV_SEQ_LOCAL)
480 ret = seq_local(scp, event);
481 else if (event[0] == EV_TIMING)
482 ret = seq_timing(scp, event);
483 else if (event[0] != EV_CHN_VOICE &&
484 event[0] != EV_CHN_COMMON &&
485 event[0] != EV_SYSEX &&
486 event[0] != SEQ_MIDIPUTC) {
488 SEQ_DEBUG(2, printf("seq_processevent not known %d\n",
490 } else if (seq_fetch_mid(scp, event[1], &m) != 0) {
492 SEQ_DEBUG(2, printf("seq_processevent midi unit not found %d\n",
497 ret = seq_chnvoice(scp, m, event);
500 ret = seq_chncommon(scp, m, event);
503 ret = seq_sysex(scp, m, event);
506 mtx_unlock(&scp->seq_lock);
507 ret = SYNTH_WRITERAW(m, &event[2], 1);
508 mtx_lock(&scp->seq_lock);
517 struct seq_softc *scp;
521 /* Allocate the softc. */
523 scp = malloc(sizeof(*scp), M_DEVBUF, M_NOWAIT | M_ZERO);
525 SEQ_DEBUG(1, printf("seq_addunit: softc allocation failed.\n"));
528 kobj_init((kobj_t)scp, &sequencer_class);
530 buf = malloc(sizeof(*buf) * EV_SZ * 1024, M_TEMP, M_NOWAIT | M_ZERO);
533 MIDIQ_INIT(scp->in_q, buf, EV_SZ * 1024);
534 buf = malloc(sizeof(*buf) * EV_SZ * 1024, M_TEMP, M_NOWAIT | M_ZERO);
537 MIDIQ_INIT(scp->out_q, buf, EV_SZ * 1024);
540 scp->midis = malloc(sizeof(kobj_t) * 32, M_TEMP, M_NOWAIT | M_ZERO);
541 scp->midi_flags = malloc(sizeof(*scp->midi_flags) * 32, M_TEMP,
544 if (scp->midis == NULL || scp->midi_flags == NULL)
549 mtx_init(&scp->seq_lock, "seqflq", NULL, 0);
550 cv_init(&scp->state_cv, "seqstate");
551 cv_init(&scp->empty_cv, "seqempty");
552 cv_init(&scp->reset_cv, "seqtimer");
553 cv_init(&scp->out_cv, "seqqout");
554 cv_init(&scp->in_cv, "seqqin");
555 cv_init(&scp->th_cv, "seqstart");
558 * Init the damn timer
561 scp->mapper = midimapper_addseq(scp, &scp->unit, &scp->mapper_cookie);
562 if (scp->mapper == NULL)
565 scp->seqdev = make_dev(&seq_cdevsw,
566 MIDIMKMINOR(scp->unit, SND_DEV_SEQ, 0), UID_ROOT,
567 GID_WHEEL, 0666, "sequencer%d", scp->unit);
569 scp->musicdev = make_dev(&seq_cdevsw,
570 MIDIMKMINOR(scp->unit, SND_DEV_MUSIC, 0), UID_ROOT,
571 GID_WHEEL, 0666, "music%d", scp->unit);
573 if (scp->seqdev == NULL || scp->musicdev == NULL)
576 * TODO: Add to list of sequencers this module provides
579 ret = kthread_create(seq_eventthread, scp, NULL, RFHIGHPID, 0,
580 "sequencer %02d", scp->unit);
585 scp->seqdev->si_drv1 = scp->musicdev->si_drv1 = scp;
587 SEQ_DEBUG(2, printf("sequencer %d created scp %p\n", scp->unit, scp));
591 mtx_lock(&seqinfo_mtx);
593 mtx_unlock(&seqinfo_mtx);
599 if (scp->seqdev != NULL)
600 destroy_dev(scp->seqdev);
601 if (scp->musicdev != NULL)
602 destroy_dev(scp->musicdev);
604 * TODO: Destroy mutex and cv
606 if (scp->midis != NULL)
607 free(scp->midis, M_TEMP);
608 if (scp->midi_flags != NULL)
609 free(scp->midi_flags, M_TEMP);
611 free(scp->out_q.b, M_TEMP);
613 free(scp->in_q.b, M_TEMP);
621 seq_delunit(int unit)
623 struct seq_softc *scp = seqs[unit];
626 //SEQ_DEBUG(4, printf("seq_delunit: %d\n", unit));
627 SEQ_DEBUG(1, printf("seq_delunit: 1 \n"));
628 mtx_lock(&scp->seq_lock);
632 cv_broadcast(&scp->out_cv);
633 cv_broadcast(&scp->state_cv);
634 cv_broadcast(&scp->reset_cv);
635 SEQ_DEBUG(1, printf("seq_delunit: 2 \n"));
636 cv_wait(&scp->th_cv, &scp->seq_lock);
637 SEQ_DEBUG(1, printf("seq_delunit: 3.0 \n"));
638 mtx_unlock(&scp->seq_lock);
639 SEQ_DEBUG(1, printf("seq_delunit: 3.1 \n"));
641 cv_destroy(&scp->state_cv);
642 SEQ_DEBUG(1, printf("seq_delunit: 4 \n"));
643 cv_destroy(&scp->empty_cv);
644 SEQ_DEBUG(1, printf("seq_delunit: 5 \n"));
645 cv_destroy(&scp->reset_cv);
646 SEQ_DEBUG(1, printf("seq_delunit: 6 \n"));
647 cv_destroy(&scp->out_cv);
648 SEQ_DEBUG(1, printf("seq_delunit: 7 \n"));
649 cv_destroy(&scp->in_cv);
650 SEQ_DEBUG(1, printf("seq_delunit: 8 \n"));
651 cv_destroy(&scp->th_cv);
653 SEQ_DEBUG(1, printf("seq_delunit: 10 \n"));
655 destroy_dev(scp->seqdev);
656 SEQ_DEBUG(1, printf("seq_delunit: 11 \n"));
658 destroy_dev(scp->musicdev);
659 SEQ_DEBUG(1, printf("seq_delunit: 12 \n"));
660 scp->seqdev = scp->musicdev = NULL;
661 if (scp->midis != NULL)
662 free(scp->midis, M_TEMP);
663 SEQ_DEBUG(1, printf("seq_delunit: 13 \n"));
664 if (scp->midi_flags != NULL)
665 free(scp->midi_flags, M_TEMP);
666 SEQ_DEBUG(1, printf("seq_delunit: 14 \n"));
667 free(scp->out_q.b, M_TEMP);
668 SEQ_DEBUG(1, printf("seq_delunit: 15 \n"));
669 free(scp->in_q.b, M_TEMP);
671 SEQ_DEBUG(1, printf("seq_delunit: 16 \n"));
673 mtx_destroy(&scp->seq_lock);
674 SEQ_DEBUG(1, printf("seq_delunit: 17 \n"));
677 mtx_lock(&seqinfo_mtx);
678 for (i = unit; i < (nseq - 1); i++)
679 seqs[i] = seqs[i + 1];
681 mtx_unlock(&seqinfo_mtx);
687 seq_modevent(module_t mod, int type, void *data)
695 mtx_init(&seqinfo_mtx, "seqmod", NULL, 0);
696 retval = seq_addunit();
701 r = seq_delunit(nseq - 1);
709 mtx_destroy(&seqinfo_mtx);
721 seq_fetch_mid(struct seq_softc *scp, int unit, kobj_t *md)
724 if (unit > scp->midi_number || unit < 0)
727 *md = scp->midis[unit];
733 seq_open(struct cdev *i_dev, int flags, int mode, struct thread *td)
735 struct seq_softc *scp = i_dev->si_drv1;
741 SEQ_DEBUG(3, printf("seq_open: scp %p unit %d, flags 0x%x.\n",
742 scp, scp->unit, flags));
745 * Mark this device busy.
748 mtx_lock(&scp->seq_lock);
750 mtx_unlock(&scp->seq_lock);
751 SEQ_DEBUG(2, printf("seq_open: unit %d is busy.\n", scp->unit));
756 if ((scp->fflags & O_NONBLOCK) != 0)
757 scp->flags |= SEQ_F_NBIO;
759 scp->music = MIDIDEV(i_dev) == SND_DEV_MUSIC;
762 * Enumerate the available midi devices
764 scp->midi_number = 0;
765 scp->maxunits = midimapper_open(scp->mapper, &scp->mapper_cookie);
767 if (scp->maxunits == 0)
768 SEQ_DEBUG(2, printf("seq_open: no midi devices\n"));
770 for (i = 0; i < scp->maxunits; i++) {
771 scp->midis[scp->midi_number] =
772 midimapper_fetch_synth(scp->mapper, scp->mapper_cookie, i);
773 if (scp->midis[scp->midi_number]) {
774 if (SYNTH_OPEN(scp->midis[scp->midi_number], scp,
776 scp->midis[scp->midi_number] = NULL;
778 scp->midi_flags[scp->midi_number] =
779 SYNTH_QUERY(scp->midis[scp->midi_number]);
785 timer_setvals(scp, 60, 100);
790 * actually, if we're in rdonly mode, we should start the timer
793 * TODO: Handle recording now
796 scp->out_water = MIDIQ_SIZE(scp->out_q) / 2;
799 mtx_unlock(&scp->seq_lock);
801 SEQ_DEBUG(2, printf("seq_open: opened, mode %s.\n",
802 scp->music ? "music" : "sequencer"));
804 printf("Sequencer %d %p opened maxunits %d midi_number %d:\n",
805 scp->unit, scp, scp->maxunits, scp->midi_number));
806 for (i = 0; i < scp->midi_number; i++)
807 SEQ_DEBUG(3, printf(" midi %d %p\n", i, scp->midis[i]));
816 seq_close(struct cdev *i_dev, int flags, int mode, struct thread *td)
819 struct seq_softc *scp = i_dev->si_drv1;
825 SEQ_DEBUG(2, printf("seq_close: unit %d.\n", scp->unit));
827 mtx_lock(&scp->seq_lock);
836 for (i = 0; i < scp->midi_number; i++)
838 SYNTH_CLOSE(scp->midis[i]);
840 midimapper_close(scp->mapper, scp->mapper_cookie);
848 SEQ_DEBUG(3, printf("seq_close: closed ret = %d.\n", ret));
849 mtx_unlock(&scp->seq_lock);
854 seq_read(struct cdev *i_dev, struct uio *uio, int ioflag)
857 struct seq_softc *scp = i_dev->si_drv1;
860 u_char buf[SEQ_RSIZE];
865 SEQ_DEBUG(7, printf("seq_read: unit %d, resid %d.\n",
866 scp->unit, uio->uio_resid));
868 mtx_lock(&scp->seq_lock);
869 if ((scp->fflags & FREAD) == 0) {
870 SEQ_DEBUG(2, printf("seq_read: unit %d is not for reading.\n",
879 * if ((scp->flags & SEQ_F_READING) == 0)
882 * TODO, start recording if not alread
886 * I think the semantics are to return as soon
888 * Second thought, it doens't seem like midimoutain
889 * expects that at all.
890 * TODO: Look up in some sort of spec
893 while (uio->uio_resid > 0) {
894 while (MIDIQ_EMPTY(scp->in_q)) {
895 retval = EWOULDBLOCK;
897 * I wish I knew which one to care about
900 if (scp->fflags & O_NONBLOCK)
902 if (ioflag & O_NONBLOCK)
905 retval = cv_wait_sig(&scp->in_cv, &scp->seq_lock);
910 used = MIN(MIDIQ_LEN(scp->in_q), uio->uio_resid);
911 used = MIN(used, SEQ_RSIZE);
913 SEQ_DEBUG(8, printf("midiread: uiomove cc=%d\n", used));
914 MIDIQ_DEQ(scp->in_q, buf, used);
915 retval = uiomove(buf, used, uio);
922 mtx_unlock(&scp->seq_lock);
923 SEQ_DEBUG(6, printf("seq_read: ret %d, resid %d.\n",
924 retval, uio->uio_resid));
930 seq_write(struct cdev *i_dev, struct uio *uio, int ioflag)
932 u_char event[EV_SZ], newevent[EV_SZ], ev_code;
933 struct seq_softc *scp = i_dev->si_drv1;
937 SEQ_DEBUG(7, printf("seq_write: unit %d, resid %d.\n",
938 scp->unit, uio->uio_resid));
943 mtx_lock(&scp->seq_lock);
945 if ((scp->fflags & FWRITE) == 0) {
946 SEQ_DEBUG(2, printf("seq_write: unit %d is not for writing.\n",
951 while (uio->uio_resid > 0) {
952 while (MIDIQ_AVAIL(scp->out_q) == 0) {
953 retval = EWOULDBLOCK;
954 if (scp->fflags & O_NONBLOCK)
956 if (ioflag & O_NONBLOCK)
958 SEQ_DEBUG(8, printf("seq_write cvwait\n"));
961 cv_broadcast(&scp->out_cv);
962 cv_broadcast(&scp->state_cv);
964 retval = cv_wait_sig(&scp->out_cv, &scp->seq_lock);
966 * We slept, maybe things have changed since last
975 if (scp != i_dev->si_drv1)
980 used = MIN(uio->uio_resid, 4);
982 SEQ_DEBUG(8, printf("seqout: resid %d len %jd avail %jd\n",
983 uio->uio_resid, (intmax_t)MIDIQ_LEN(scp->out_q),
984 (intmax_t)MIDIQ_AVAIL(scp->out_q)));
990 retval = uiomove(event, used, uio);
995 SEQ_DEBUG(8, printf("seq_write: unit %d, event %s.\n",
996 scp->unit, midi_cmdname(ev_code, cmdtab_seqevent)));
998 /* Have a look at the event code. */
999 if (ev_code == SEQ_FULLSIZE) {
1002 * TODO: restore code for SEQ_FULLSIZE
1006 * A long event, these are the patches/samples for a
1009 midiunit = *(u_short *)&event[2];
1010 mtx_lock(&sd->seq_lock);
1011 ret = lookup_mididev(scp, midiunit, LOOKUP_OPEN, &md);
1012 mtx_unlock(&sd->seq_lock);
1016 SEQ_DEBUG(printf("seq_write: loading a patch to the unit %d.\n", midiunit));
1018 ret = md->synth.loadpatch(md, *(short *)&event[0], buf,
1023 * For now, just flush the darn buffer
1026 printf("seq_write: SEQ_FULLSIZE flusing buffer.\n"));
1027 while (uio->uio_resid > 0) {
1028 retval = uiomove(event, EV_SZ, uio);
1038 if (ev_code >= 128) {
1041 * Some sort of an extended event. The size is eight
1042 * bytes. scoop extra info.
1044 if (scp->music && ev_code == SEQ_EXTENDED) {
1045 SEQ_DEBUG(2, printf("seq_write: invalid level two event %x.\n", ev_code));
1048 if (uiomove((caddr_t)&event[4], 4, uio)) {
1050 printf("seq_write: user memory mangled?\n"));
1058 SEQ_DEBUG(2, printf("seq_write: four byte event in music mode.\n"));
1062 if (ev_code == SEQ_MIDIPUTC) {
1064 * TODO: event[2] is unit number to receive char.
1069 #ifdef not_ever_ever
1070 if (event[0] == EV_TIMING &&
1071 (event[1] == TMR_START || event[1] == TMR_STOP)) {
1073 * For now, try to make midimoutain work by
1074 * forcing these events to be processed
1077 seq_processevent(scp, event);
1079 MIDIQ_ENQ(scp->out_q, event, EV_SZ);
1081 MIDIQ_ENQ(scp->out_q, event, EV_SZ);
1084 if (seq_convertold(event, newevent) > 0)
1085 MIDIQ_ENQ(scp->out_q, newevent, EV_SZ);
1095 cv_broadcast(&scp->state_cv);
1096 cv_broadcast(&scp->out_cv);
1102 printf("seq_write done: leftover buffer length %d retval %d\n",
1103 uio->uio_resid, retval));
1104 mtx_unlock(&scp->seq_lock);
1109 seq_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode,
1112 int midiunit, ret, tmp;
1113 struct seq_softc *scp = i_dev->si_drv1;
1114 struct synth_info *synthinfo;
1115 struct midi_info *midiinfo;
1116 u_char event[EV_SZ];
1117 u_char newevent[EV_SZ];
1122 * struct snd_size *sndsize;
1128 SEQ_DEBUG(6, printf("seq_ioctl: unit %d, cmd %s.\n",
1129 scp->unit, midi_cmdname(cmd, cmdtab_seqioctl)));
1134 case SNDCTL_SEQ_GETTIME:
1136 * ioctl needed by libtse
1138 mtx_lock(&scp->seq_lock);
1139 *(int *)arg = timer_now(scp);
1140 mtx_unlock(&scp->seq_lock);
1141 SEQ_DEBUG(6, printf("seq_ioctl: gettime %d.\n", *(int *)arg));
1144 case SNDCTL_TMR_METRONOME:
1146 case SNDCTL_TMR_SOURCE:
1152 case SNDCTL_TMR_TEMPO:
1153 event[1] = TMR_TEMPO;
1154 event[4] = *(int *)arg & 0xFF;
1155 event[5] = (*(int *)arg >> 8) & 0xFF;
1156 event[6] = (*(int *)arg >> 16) & 0xFF;
1157 event[7] = (*(int *)arg >> 24) & 0xFF;
1159 case SNDCTL_TMR_TIMEBASE:
1160 event[1] = TMR_TIMERBASE;
1161 event[4] = *(int *)arg & 0xFF;
1162 event[5] = (*(int *)arg >> 8) & 0xFF;
1163 event[6] = (*(int *)arg >> 16) & 0xFF;
1164 event[7] = (*(int *)arg >> 24) & 0xFF;
1166 case SNDCTL_TMR_START:
1167 event[1] = TMR_START;
1169 case SNDCTL_TMR_STOP:
1170 event[1] = TMR_STOP;
1172 case SNDCTL_TMR_CONTINUE:
1173 event[1] = TMR_CONTINUE;
1175 event[0] = EV_TIMING;
1176 mtx_lock(&scp->seq_lock);
1179 mtx_unlock(&scp->seq_lock);
1182 seq_processevent(scp, event);
1183 mtx_unlock(&scp->seq_lock);
1185 case SNDCTL_TMR_SELECT:
1187 printf("seq_ioctl: SNDCTL_TMR_SELECT not supported\n"));
1190 case SNDCTL_SEQ_SYNC:
1191 if (mode == O_RDONLY) {
1195 mtx_lock(&scp->seq_lock);
1196 ret = seq_sync(scp);
1197 mtx_unlock(&scp->seq_lock);
1199 case SNDCTL_SEQ_PANIC:
1201 case SNDCTL_SEQ_RESET:
1203 * SNDCTL_SEQ_PANIC == SNDCTL_SEQ_RESET
1205 mtx_lock(&scp->seq_lock);
1207 mtx_unlock(&scp->seq_lock);
1210 case SNDCTL_SEQ_TESTMIDI:
1211 mtx_lock(&scp->seq_lock);
1213 * TODO: SNDCTL_SEQ_TESTMIDI now means "can I write to the
1216 mtx_unlock(&scp->seq_lock);
1219 case SNDCTL_SEQ_GETINCOUNT:
1220 if (mode == O_WRONLY)
1223 mtx_lock(&scp->seq_lock);
1224 *(int *)arg = scp->in_q.rl;
1225 mtx_unlock(&scp->seq_lock);
1226 SEQ_DEBUG(printf("seq_ioctl: incount %d.\n",
1231 case SNDCTL_SEQ_GETOUTCOUNT:
1232 if (mode == O_RDONLY)
1235 mtx_lock(&scp->seq_lock);
1236 *(int *)arg = scp->out_q.fl;
1237 mtx_unlock(&scp->seq_lock);
1238 SEQ_DEBUG(printf("seq_ioctl: outcount %d.\n",
1244 case SNDCTL_SEQ_CTRLRATE:
1245 if (*(int *)arg != 0) {
1249 mtx_lock(&scp->seq_lock);
1250 *(int *)arg = scp->timerbase;
1251 mtx_unlock(&scp->seq_lock);
1252 SEQ_DEBUG(3, printf("seq_ioctl: ctrlrate %d.\n", *(int *)arg));
1256 * TODO: ioctl SNDCTL_SEQ_RESETSAMPLES
1259 case SNDCTL_SEQ_RESETSAMPLES:
1260 mtx_lock(&scp->seq_lock);
1261 ret = lookup_mididev(scp, *(int *)arg, LOOKUP_OPEN, &md);
1262 mtx_unlock(&scp->seq_lock);
1265 ret = midi_ioctl(MIDIMKDEV(major(i_dev), *(int *)arg,
1266 SND_DEV_MIDIN), cmd, arg, mode, td);
1269 case SNDCTL_SEQ_NRSYNTHS:
1270 mtx_lock(&scp->seq_lock);
1271 *(int *)arg = scp->midi_number;
1272 mtx_unlock(&scp->seq_lock);
1273 SEQ_DEBUG(3, printf("seq_ioctl: synths %d.\n", *(int *)arg));
1276 case SNDCTL_SEQ_NRMIDIS:
1277 mtx_lock(&scp->seq_lock);
1282 * TODO: count the numbder of devices that can WRITERAW
1284 *(int *)arg = scp->midi_number;
1286 mtx_unlock(&scp->seq_lock);
1287 SEQ_DEBUG(3, printf("seq_ioctl: midis %d.\n", *(int *)arg));
1291 * TODO: ioctl SNDCTL_SYNTH_MEMAVL
1294 case SNDCTL_SYNTH_MEMAVL:
1295 mtx_lock(&scp->seq_lock);
1296 ret = lookup_mididev(scp, *(int *)arg, LOOKUP_OPEN, &md);
1297 mtx_unlock(&scp->seq_lock);
1300 ret = midi_ioctl(MIDIMKDEV(major(i_dev), *(int *)arg,
1301 SND_DEV_MIDIN), cmd, arg, mode, td);
1304 case SNDCTL_SEQ_OUTOFBAND:
1305 for (ret = 0; ret < EV_SZ; ret++)
1306 event[ret] = (u_char)arg[0];
1308 mtx_lock(&scp->seq_lock);
1310 ret = seq_processevent(scp, event);
1312 if (seq_convertold(event, newevent) > 0)
1313 ret = seq_processevent(scp, newevent);
1317 mtx_unlock(&scp->seq_lock);
1319 case SNDCTL_SYNTH_INFO:
1320 synthinfo = (struct synth_info *)arg;
1321 midiunit = synthinfo->device;
1322 mtx_lock(&scp->seq_lock);
1323 if (seq_fetch_mid(scp, midiunit, &md) == 0) {
1324 bzero(synthinfo, sizeof(*synthinfo));
1325 synthinfo->name[0] = 'f';
1326 synthinfo->name[1] = 'a';
1327 synthinfo->name[2] = 'k';
1328 synthinfo->name[3] = 'e';
1329 synthinfo->name[4] = 's';
1330 synthinfo->name[5] = 'y';
1331 synthinfo->name[6] = 'n';
1332 synthinfo->name[7] = 't';
1333 synthinfo->name[8] = 'h';
1334 synthinfo->device = midiunit;
1335 synthinfo->synth_type = SYNTH_TYPE_MIDI;
1336 synthinfo->capabilities = scp->midi_flags[midiunit];
1340 mtx_unlock(&scp->seq_lock);
1342 case SNDCTL_MIDI_INFO:
1343 midiinfo = (struct midi_info *)arg;
1344 midiunit = midiinfo->device;
1345 mtx_lock(&scp->seq_lock);
1346 if (seq_fetch_mid(scp, midiunit, &md) == 0) {
1347 bzero(midiinfo, sizeof(*midiinfo));
1348 midiinfo->name[0] = 'f';
1349 midiinfo->name[1] = 'a';
1350 midiinfo->name[2] = 'k';
1351 midiinfo->name[3] = 'e';
1352 midiinfo->name[4] = 'm';
1353 midiinfo->name[5] = 'i';
1354 midiinfo->name[6] = 'd';
1355 midiinfo->name[7] = 'i';
1356 midiinfo->device = midiunit;
1357 midiinfo->capabilities = scp->midi_flags[midiunit];
1359 * TODO: What devtype?
1361 midiinfo->dev_type = 0x01;
1365 mtx_unlock(&scp->seq_lock);
1367 case SNDCTL_SEQ_THRESHOLD:
1368 mtx_lock(&scp->seq_lock);
1369 RANGE(*(int *)arg, 1, MIDIQ_SIZE(scp->out_q) - 1);
1370 scp->out_water = *(int *)arg;
1371 mtx_unlock(&scp->seq_lock);
1372 SEQ_DEBUG(3, printf("seq_ioctl: water %d.\n", *(int *)arg));
1375 case SNDCTL_MIDI_PRETIME:
1379 mtx_lock(&scp->seq_lock);
1380 scp->pre_event_timeout = (hz * tmp) / 10;
1381 *(int *)arg = scp->pre_event_timeout;
1382 mtx_unlock(&scp->seq_lock);
1383 SEQ_DEBUG(3, printf("seq_ioctl: pretime %d.\n", *(int *)arg));
1386 case SNDCTL_FM_4OP_ENABLE:
1387 case SNDCTL_PMGR_IFACE:
1388 case SNDCTL_PMGR_ACCESS:
1390 * Patch manager and fm are ded, ded, ded.
1395 * TODO: Consider ioctl default case.
1397 * if ((scp->fflags & O_ACCMODE) == FREAD) {
1401 * Then pass on the ioctl to device 0
1404 printf("seq_ioctl: unsupported IOCTL %ld.\n", cmd));
1413 seq_poll(struct cdev *i_dev, int events, struct thread *td)
1416 struct seq_softc *scp = i_dev->si_drv1;
1418 SEQ_DEBUG(3, printf("seq_poll: unit %d.\n", scp->unit));
1419 SEQ_DEBUG(1, printf("seq_poll: unit %d.\n", scp->unit));
1421 mtx_lock(&scp->seq_lock);
1425 /* Look up the apropriate queue and select it. */
1426 if ((events & (POLLOUT | POLLWRNORM)) != 0) {
1427 /* Start playing. */
1429 cv_broadcast(&scp->state_cv);
1430 cv_broadcast(&scp->out_cv);
1432 lim = scp->out_water;
1434 if (MIDIQ_AVAIL(scp->out_q) < lim)
1435 /* No enough space, record select. */
1436 selrecord(td, &scp->out_sel);
1438 /* We can write now. */
1439 ret |= events & (POLLOUT | POLLWRNORM);
1441 if ((events & (POLLIN | POLLRDNORM)) != 0) {
1442 /* TODO: Start recording. */
1444 /* Find out the boundary. */
1446 if (MIDIQ_LEN(scp->in_q) < lim)
1447 /* No data ready, record select. */
1448 selrecord(td, &scp->in_sel);
1450 /* We can read now. */
1451 ret |= events & (POLLIN | POLLRDNORM);
1453 mtx_unlock(&scp->seq_lock);
1460 sein_qtr(void *p, void /* mididev_info */ *md)
1462 struct seq_softc *scp;
1464 scp = (struct seq_softc *)p;
1466 mtx_lock(&scp->seq_lock);
1468 /* Restart playing if we have the data to output. */
1469 if (scp->queueout_pending)
1470 seq_callback(scp, SEQ_CB_START | SEQ_CB_WR);
1471 /* Check the midi device if we are reading. */
1472 if ((scp->flags & SEQ_F_READING) != 0)
1473 seq_midiinput(scp, md);
1475 mtx_unlock(&scp->seq_lock);
1481 * Was the old playevent. Use this to convert and old
1482 * style /dev/sequencer event to a /dev/music event
1485 seq_convertold(u_char *event, u_char *out)
1488 u_char dev, chn, note, vel;
1490 out[0] = out[1] = out[2] = out[3] = out[4] = out[5] = out[6] =
1502 * TODO: Debug statement
1521 out[0] = EV_CHN_VOICE;
1523 out[2] = MIDI_NOTEOFF;
1531 out[0] = EV_CHN_VOICE;
1533 out[2] = MIDI_NOTEON;
1541 * wait delay = (event[2] << 16) + (event[3] << 8) + event[4]
1545 out[0] = EV_CHN_COMMON;
1547 out[2] = MIDI_PGM_CHANGE;
1556 out[2] = MIDI_PGM_CHANGE;
1560 SEQ_DEBUG(4,printf("seq_playevent: synctimer\n"));
1566 printf("seq_playevent: put data 0x%02x, unit %d.\n",
1567 event[1], event[2]));
1569 * Pass through to the midi device.
1573 out[0] = SEQ_MIDIPUTC;
1581 * This isn't handled here yet because I don't know if I can
1582 * just use four bytes events. There might be consequences
1583 * in the _read routing
1585 if (seq_copytoinput(scp, event, 4) == EAGAIN) {
1601 case SEQ_AFTERTOUCH:
1603 * SYNTH_AFTERTOUCH(md, event[3], event[4])
1607 * SYNTH_PANNING(md, event[3], (char)event[4])
1609 case SEQ_CONTROLLER:
1611 * SYNTH_CONTROLLER(md, event[3], event[4], *(short *)&event[5])
1615 * SYNTH_VOLUMEMETHOD(md, event[3])
1619 printf("seq_convertold: SEQ_EXTENDED type %d"
1620 "not handled\n", event[1]));
1626 out[1] = TMR_WAIT_REL;
1631 SEQ_DEBUG(5, printf("SEQ_WAIT %d",
1632 event[2] + (event[3] << 8) + (event[4] << 24)));
1642 printf("seq_convertold: event type %d not handled %d %d %d\n",
1643 event[0], event[1], event[2], event[3]));
1650 * Writting to the sequencer buffer never blocks and drops
1651 * input which cannot be queued
1654 seq_copytoinput(struct seq_softc *scp, u_char *event, int len)
1657 mtx_assert(&scp->seq_lock, MA_OWNED);
1659 if (MIDIQ_AVAIL(scp->in_q) < len) {
1661 * ENOROOM? EINPUTDROPPED? ETOUGHLUCK?
1663 SEQ_DEBUG(2, printf("seq_copytoinput: queue full\n"));
1665 MIDIQ_ENQ(scp->in_q, event, len);
1666 selwakeup(&scp->in_sel);
1667 cv_broadcast(&scp->in_cv);
1673 seq_chnvoice(struct seq_softc *scp, kobj_t md, u_char *event)
1676 u_char cmd, chn, note, parm;
1684 mtx_assert(&scp->seq_lock, MA_OWNED);
1686 SEQ_DEBUG(5, printf("seq_chnvoice: unit %d, dev %d, cmd %s,"
1687 " chn %d, note %d, parm %d.\n", scp->unit, event[1],
1688 midi_cmdname(cmd, cmdtab_seqcv), chn, note, parm));
1690 voice = SYNTH_ALLOC(md, chn, note);
1692 mtx_unlock(&scp->seq_lock);
1696 if (note < 128 || note == 255) {
1698 if (scp->music && chn == 9) {
1700 * This channel is a percussion. The note
1701 * number is the patch number.
1704 mtx_unlock(&scp->seq_lock);
1705 if (SYNTH_SETINSTR(md, voice, 128 + note)
1707 mtx_lock(&scp->seq_lock);
1710 mtx_lock(&scp->seq_lock);
1712 note = 60; /* Middle C. */
1717 mtx_unlock(&scp->seq_lock);
1718 if (SYNTH_SETUPVOICE(md, voice, chn)
1720 mtx_lock(&scp->seq_lock);
1723 mtx_lock(&scp->seq_lock);
1726 SYNTH_STARTNOTE(md, voice, note, parm);
1730 SYNTH_KILLNOTE(md, voice, note, parm);
1732 case MIDI_KEY_PRESSURE:
1733 SYNTH_AFTERTOUCH(md, voice, parm);
1737 SEQ_DEBUG(2, printf("seq_chnvoice event type %d not handled\n",
1742 mtx_lock(&scp->seq_lock);
1747 seq_chncommon(struct seq_softc *scp, kobj_t md, u_char *event)
1751 u_char cmd, chn, p1;
1757 w14 = *(u_short *)&event[6];
1759 SEQ_DEBUG(5, printf("seq_chncommon: unit %d, dev %d, cmd %s, chn %d,"
1760 " p1 %d, w14 %d.\n", scp->unit, event[1],
1761 midi_cmdname(cmd, cmdtab_seqccmn), chn, p1, w14));
1762 mtx_unlock(&scp->seq_lock);
1764 case MIDI_PGM_CHANGE:
1765 SEQ_DEBUG(4, printf("seq_chncommon pgmchn chn %d pg %d\n",
1767 SYNTH_SETINSTR(md, chn, p1);
1769 case MIDI_CTL_CHANGE:
1770 SEQ_DEBUG(4, printf("seq_chncommon ctlch chn %d pg %d %d\n",
1772 SYNTH_CONTROLLER(md, chn, p1, w14);
1774 case MIDI_PITCH_BEND:
1777 * TODO: MIDI_PITCH_BEND
1780 mtx_lock(&md->synth.vc_mtx);
1781 md->synth.chn_info[chn].bender_value = w14;
1782 if (md->midiunit >= 0) {
1784 * Handle all of the notes playing on this
1787 key = ((int)chn << 8);
1788 for (i = 0; i < md->synth.alloc.max_voice; i++)
1789 if ((md->synth.alloc.map[i] & 0xff00) == key) {
1790 mtx_unlock(&md->synth.vc_mtx);
1791 mtx_unlock(&scp->seq_lock);
1792 if (md->synth.bender(md, i, w14) == EAGAIN) {
1793 mtx_lock(&scp->seq_lock);
1796 mtx_lock(&scp->seq_lock);
1799 mtx_unlock(&md->synth.vc_mtx);
1800 mtx_unlock(&scp->seq_lock);
1801 if (md->synth.bender(md, chn, w14) == EAGAIN) {
1802 mtx_lock(&scp->seq_lock);
1805 mtx_lock(&scp->seq_lock);
1809 SYNTH_BENDER(md, chn, w14);
1814 printf("seq_chncommon event type %d not handled.\n",
1819 mtx_lock(&scp->seq_lock);
1824 seq_timing(struct seq_softc *scp, u_char *event)
1830 param = event[4] + (event[5] << 8) +
1831 (event[6] << 16) + (event[7] << 24);
1833 SEQ_DEBUG(5, printf("seq_timing: unit %d, cmd %d, param %d.\n",
1834 scp->unit, event[1], param));
1837 timer_wait(scp, param, 0);
1840 timer_wait(scp, param, 1);
1844 cv_broadcast(&scp->reset_cv);
1849 * The following cv_broadcast isn't needed since we only
1850 * wait for 0->1 transitions. It probably won't hurt
1852 cv_broadcast(&scp->reset_cv);
1855 timer_continue(scp);
1856 cv_broadcast(&scp->reset_cv);
1863 SEQ_DEBUG(4, printf("Timer set tempo %d\n", param));
1864 timer_setvals(scp, param, scp->timerbase);
1871 SEQ_DEBUG(4, printf("Timer set timerbase %d\n", param));
1872 timer_setvals(scp, scp->tempo, param);
1876 * TODO: Consider making 4-byte events for /dev/sequencer
1877 * PRO: Maybe needed by legacy apps
1878 * CON: soundcard.h has been warning for a while many years
1879 * to expect 8 byte events.
1883 seq_copytoinput(scp, event, 8);
1885 param = (param << 8 | SEQ_ECHO);
1886 seq_copytoinput(scp, (u_char *)¶m, 4);
1889 seq_copytoinput(scp, event, 8);
1893 SEQ_DEBUG(2, printf("seq_timing event type %d not handled.\n",
1902 seq_local(struct seq_softc *scp, u_char *event)
1907 mtx_assert(&scp->seq_lock, MA_OWNED);
1909 SEQ_DEBUG(5, printf("seq_local: unit %d, cmd %d\n", scp->unit,
1913 SEQ_DEBUG(1, printf("seq_local event type %d not handled\n",
1922 seq_sysex(struct seq_softc *scp, kobj_t md, u_char *event)
1926 mtx_assert(&scp->seq_lock, MA_OWNED);
1927 SEQ_DEBUG(5, printf("seq_sysex: unit %d device %d\n", scp->unit,
1930 for (i = 0; i < 6 && event[i + 2] != 0xff; i++)
1933 mtx_unlock(&scp->seq_lock);
1934 if (SYNTH_SENDSYSEX(md, &event[2], l) == EAGAIN) {
1935 mtx_lock(&scp->seq_lock);
1938 mtx_lock(&scp->seq_lock);
1944 * Reset no longer closes the raw devices nor seq_sync's
1945 * Callers are IOCTL and seq_close
1948 seq_reset(struct seq_softc *scp)
1953 mtx_assert(&scp->seq_lock, MA_OWNED);
1955 SEQ_DEBUG(5, printf("seq_reset: unit %d.\n", scp->unit));
1958 * Stop reading and writing.
1961 /* scp->recording = 0; */
1963 cv_broadcast(&scp->state_cv);
1964 cv_broadcast(&scp->out_cv);
1965 cv_broadcast(&scp->reset_cv);
1968 * For now, don't reset the timers.
1970 MIDIQ_CLEAR(scp->in_q);
1971 MIDIQ_CLEAR(scp->out_q);
1973 for (i = 0; i < scp->midi_number; i++) {
1975 mtx_unlock(&scp->seq_lock);
1977 for (chn = 0; chn < 16; chn++) {
1978 SYNTH_CONTROLLER(m, chn, 123, 0);
1979 SYNTH_CONTROLLER(m, chn, 121, 0);
1980 SYNTH_BENDER(m, chn, 1 << 13);
1982 mtx_lock(&scp->seq_lock);
1988 * *really* flush the output queue
1989 * flush the event queue, then flush the synthsisers.
1990 * Callers are IOCTL and close
1993 #define SEQ_SYNC_TIMEOUT 8
1995 seq_sync(struct seq_softc *scp)
1997 int i, rl, sync[16], done;
1999 mtx_assert(&scp->seq_lock, MA_OWNED);
2001 SEQ_DEBUG(4, printf("seq_sync: unit %d.\n", scp->unit));
2004 * Wait until output queue is empty. Check every so often to see if
2005 * the queue is moving along. If it isn't just abort.
2007 while (!MIDIQ_EMPTY(scp->out_q)) {
2009 if (!scp->playing) {
2011 cv_broadcast(&scp->state_cv);
2012 cv_broadcast(&scp->out_cv);
2014 rl = MIDIQ_LEN(scp->out_q);
2016 i = cv_timedwait_sig(&scp->out_cv,
2017 &scp->seq_lock, SEQ_SYNC_TIMEOUT * hz);
2019 if (i == EINTR || i == ERESTART) {
2022 * XXX: I don't know why we stop playing
2025 cv_broadcast(&scp->out_cv);
2029 if (i == EWOULDBLOCK && rl == MIDIQ_LEN(scp->out_q) &&
2030 scp->waiting == 0) {
2032 * A queue seems to be stuck up. Give up and clear
2035 MIDIQ_CLEAR(scp->out_q);
2037 cv_broadcast(&scp->state_cv);
2038 cv_broadcast(&scp->out_cv);
2039 cv_broadcast(&scp->reset_cv);
2042 * TODO: Consider if the raw devices need to be flushed
2045 SEQ_DEBUG(1, printf("seq_sync queue stuck, aborting\n"));
2053 * Since syncing a midi device might block, unlock scp->seq_lock.
2056 mtx_unlock(&scp->seq_lock);
2057 for (i = 0; i < scp->midi_number; i++)
2062 for (i = 0; i < scp->midi_number; i++)
2064 if (SYNTH_INSYNC(scp->midis[i]) == 0)
2074 mtx_lock(&scp->seq_lock);
2079 midi_cmdname(int cmd, midi_cmdtab *tab)
2081 while (tab->name != NULL) {
2082 if (cmd == tab->cmd)