1
2
3
4
5
6
7
8#undef DEBUG_ALLOC
9#undef DEBUG_MIDI
10
11#include "opl3_voice.h"
12#include <sound/asoundef.h>
13
14static void snd_opl3_note_off_unsafe(void *p, int note, int vel,
15 struct snd_midi_channel *chan);
16
17
18
19
20
21
22
23
24
25
26static const char opl3_volume_table[128] =
27{
28 -63, -48, -40, -35, -32, -29, -27, -26,
29 -24, -23, -21, -20, -19, -18, -18, -17,
30 -16, -15, -15, -14, -13, -13, -12, -12,
31 -11, -11, -10, -10, -10, -9, -9, -8,
32 -8, -8, -7, -7, -7, -6, -6, -6,
33 -5, -5, -5, -5, -4, -4, -4, -4,
34 -3, -3, -3, -3, -2, -2, -2, -2,
35 -2, -1, -1, -1, -1, 0, 0, 0,
36 0, 0, 0, 1, 1, 1, 1, 1,
37 1, 2, 2, 2, 2, 2, 2, 2,
38 3, 3, 3, 3, 3, 3, 3, 4,
39 4, 4, 4, 4, 4, 4, 4, 5,
40 5, 5, 5, 5, 5, 5, 5, 5,
41 6, 6, 6, 6, 6, 6, 6, 6,
42 6, 7, 7, 7, 7, 7, 7, 7,
43 7, 7, 7, 8, 8, 8, 8, 8
44};
45
46void snd_opl3_calc_volume(unsigned char *volbyte, int vel,
47 struct snd_midi_channel *chan)
48{
49 int oldvol, newvol, n;
50 int volume;
51
52 volume = (vel * chan->gm_volume * chan->gm_expression) / (127*127);
53 if (volume > 127)
54 volume = 127;
55
56 oldvol = OPL3_TOTAL_LEVEL_MASK - (*volbyte & OPL3_TOTAL_LEVEL_MASK);
57
58 newvol = opl3_volume_table[volume] + oldvol;
59 if (newvol > OPL3_TOTAL_LEVEL_MASK)
60 newvol = OPL3_TOTAL_LEVEL_MASK;
61 else if (newvol < 0)
62 newvol = 0;
63
64 n = OPL3_TOTAL_LEVEL_MASK - (newvol & OPL3_TOTAL_LEVEL_MASK);
65
66 *volbyte = (*volbyte & OPL3_KSL_MASK) | (n & OPL3_TOTAL_LEVEL_MASK);
67}
68
69
70
71
72static const short opl3_note_table[16] =
73{
74 305, 323,
75 343, 363, 385, 408, 432, 458, 485, 514, 544, 577, 611, 647,
76 686, 726
77};
78
79static void snd_opl3_calc_pitch(unsigned char *fnum, unsigned char *blocknum,
80 int note, struct snd_midi_channel *chan)
81{
82 int block = ((note / 12) & 0x07) - 1;
83 int idx = (note % 12) + 2;
84 int freq;
85
86 if (chan->midi_pitchbend) {
87 int pitchbend = chan->midi_pitchbend;
88 int segment;
89
90 if (pitchbend < -0x2000)
91 pitchbend = -0x2000;
92 if (pitchbend > 0x1FFF)
93 pitchbend = 0x1FFF;
94
95 segment = pitchbend / 0x1000;
96 freq = opl3_note_table[idx+segment];
97 freq += ((opl3_note_table[idx+segment+1] - freq) *
98 (pitchbend % 0x1000)) / 0x1000;
99 } else {
100 freq = opl3_note_table[idx];
101 }
102
103 *fnum = (unsigned char) freq;
104 *blocknum = ((freq >> 8) & OPL3_FNUM_HIGH_MASK) |
105 ((block << 2) & OPL3_BLOCKNUM_MASK);
106}
107
108
109#ifdef DEBUG_ALLOC
110static void debug_alloc(struct snd_opl3 *opl3, char *s, int voice) {
111 int i;
112 char *str = "x.24";
113
114 printk(KERN_DEBUG "time %.5i: %s [%.2i]: ", opl3->use_time, s, voice);
115 for (i = 0; i < opl3->max_voices; i++)
116 printk(KERN_CONT "%c", *(str + opl3->voices[i].state + 1));
117 printk(KERN_CONT "\n");
118}
119#endif
120
121
122
123
124static int opl3_get_voice(struct snd_opl3 *opl3, int instr_4op,
125 struct snd_midi_channel *chan) {
126 int chan_4op_1;
127 int chan_4op_2;
128
129 struct snd_opl3_voice *vp, *vp2;
130 unsigned int voice_time;
131 int i;
132
133#ifdef DEBUG_ALLOC
134 char *alloc_type[3] = { "FREE ", "CHEAP ", "EXPENSIVE" };
135#endif
136
137
138 enum {
139 FREE = 0, CHEAP, EXPENSIVE, END
140 };
141
142
143 struct best {
144 unsigned int time;
145 int voice;
146 } best[END];
147 struct best *bp;
148
149 for (i = 0; i < END; i++) {
150 best[i].time = (unsigned int)(-1);
151 best[i].voice = -1;
152 }
153
154
155 for (i = 0; i < opl3->max_voices; i++) {
156 vp = &opl3->voices[i];
157
158 if (vp->state == SNDRV_OPL3_ST_NOT_AVAIL)
159
160
161 continue;
162
163 voice_time = vp->time;
164 bp = best;
165
166 chan_4op_1 = ((i < 3) || (i > 8 && i < 12));
167 chan_4op_2 = ((i > 2 && i < 6) || (i > 11 && i < 15));
168 if (instr_4op) {
169
170
171 if (!chan_4op_1)
172 continue;
173
174 if (vp->state)
175
176 bp++;
177
178
179 vp2 = &opl3->voices[i + 3];
180 if (vp2->state == SNDRV_OPL3_ST_ON_2OP) {
181
182 bp++;
183 voice_time = max(voice_time, vp2->time);
184 }
185 } else {
186
187 if ((chan_4op_1) || (chan_4op_2))
188
189 bp++;
190 else if (vp->state)
191
192 bp++;
193
194 if (vp->state)
195 bp++;
196 }
197 if (voice_time < bp->time) {
198 bp->time = voice_time;
199 bp->voice = i;
200 }
201 }
202
203 for (i = 0; i < END; i++) {
204 if (best[i].voice >= 0) {
205#ifdef DEBUG_ALLOC
206 printk(KERN_DEBUG "%s %iop allocation on voice %i\n",
207 alloc_type[i], instr_4op ? 4 : 2,
208 best[i].voice);
209#endif
210 return best[i].voice;
211 }
212 }
213
214 return -1;
215}
216
217
218
219
220
221
222void snd_opl3_timer_func(struct timer_list *t)
223{
224
225 struct snd_opl3 *opl3 = from_timer(opl3, t, tlist);
226 unsigned long flags;
227 int again = 0;
228 int i;
229
230 spin_lock_irqsave(&opl3->voice_lock, flags);
231 for (i = 0; i < opl3->max_voices; i++) {
232 struct snd_opl3_voice *vp = &opl3->voices[i];
233 if (vp->state > 0 && vp->note_off_check) {
234 if (vp->note_off == jiffies)
235 snd_opl3_note_off_unsafe(opl3, vp->note, 0,
236 vp->chan);
237 else
238 again++;
239 }
240 }
241 spin_unlock_irqrestore(&opl3->voice_lock, flags);
242
243 spin_lock_irqsave(&opl3->sys_timer_lock, flags);
244 if (again)
245 mod_timer(&opl3->tlist, jiffies + 1);
246 else
247 opl3->sys_timer_status = 0;
248 spin_unlock_irqrestore(&opl3->sys_timer_lock, flags);
249}
250
251
252
253
254static void snd_opl3_start_timer(struct snd_opl3 *opl3)
255{
256 unsigned long flags;
257 spin_lock_irqsave(&opl3->sys_timer_lock, flags);
258 if (! opl3->sys_timer_status) {
259 mod_timer(&opl3->tlist, jiffies + 1);
260 opl3->sys_timer_status = 1;
261 }
262 spin_unlock_irqrestore(&opl3->sys_timer_lock, flags);
263}
264
265
266
267
268static const int snd_opl3_oss_map[MAX_OPL3_VOICES] = {
269 0, 1, 2, 9, 10, 11, 6, 7, 8, 15, 16, 17, 3, 4 ,5, 12, 13, 14
270};
271
272
273
274
275void snd_opl3_note_on(void *p, int note, int vel, struct snd_midi_channel *chan)
276{
277 struct snd_opl3 *opl3;
278 int instr_4op;
279
280 int voice;
281 struct snd_opl3_voice *vp, *vp2;
282 unsigned short connect_mask;
283 unsigned char connection;
284 unsigned char vol_op[4];
285
286 int extra_prg = 0;
287
288 unsigned short reg_side;
289 unsigned char op_offset;
290 unsigned char voice_offset;
291 unsigned short opl3_reg;
292 unsigned char reg_val;
293 unsigned char prg, bank;
294
295 int key = note;
296 unsigned char fnum, blocknum;
297 int i;
298
299 struct fm_patch *patch;
300 struct fm_instrument *fm;
301 unsigned long flags;
302
303 opl3 = p;
304
305#ifdef DEBUG_MIDI
306 snd_printk(KERN_DEBUG "Note on, ch %i, inst %i, note %i, vel %i\n",
307 chan->number, chan->midi_program, note, vel);
308#endif
309
310
311
312 if (opl3->synth_mode == SNDRV_OPL3_MODE_SEQ) {
313 if (chan->drum_channel) {
314
315 bank = 128;
316 prg = note;
317 } else {
318 bank = chan->gm_bank_select;
319 prg = chan->midi_program;
320 }
321 } else {
322
323 if (chan->number >= MAX_OPL3_VOICES)
324 return;
325
326
327 bank = 127;
328 prg = chan->midi_program;
329 }
330
331 spin_lock_irqsave(&opl3->voice_lock, flags);
332
333 if (use_internal_drums) {
334 snd_opl3_drum_switch(opl3, note, vel, 1, chan);
335 spin_unlock_irqrestore(&opl3->voice_lock, flags);
336 return;
337 }
338
339 __extra_prg:
340 patch = snd_opl3_find_patch(opl3, prg, bank, 0);
341 if (!patch) {
342 spin_unlock_irqrestore(&opl3->voice_lock, flags);
343 return;
344 }
345
346 fm = &patch->inst;
347 switch (patch->type) {
348 case FM_PATCH_OPL2:
349 instr_4op = 0;
350 break;
351 case FM_PATCH_OPL3:
352 if (opl3->hardware >= OPL3_HW_OPL3) {
353 instr_4op = 1;
354 break;
355 }
356 fallthrough;
357 default:
358 spin_unlock_irqrestore(&opl3->voice_lock, flags);
359 return;
360 }
361#ifdef DEBUG_MIDI
362 snd_printk(KERN_DEBUG " --> OPL%i instrument: %s\n",
363 instr_4op ? 3 : 2, patch->name);
364#endif
365
366
367 if (opl3->synth_mode == SNDRV_OPL3_MODE_SEQ) {
368 voice = opl3_get_voice(opl3, instr_4op, chan);
369 } else {
370
371 voice = snd_opl3_oss_map[chan->number];
372 }
373
374 if (voice < 0) {
375 spin_unlock_irqrestore(&opl3->voice_lock, flags);
376 return;
377 }
378
379 if (voice < MAX_OPL2_VOICES) {
380
381 reg_side = OPL3_LEFT;
382 voice_offset = voice;
383 connect_mask = (OPL3_LEFT_4OP_0 << voice_offset) & 0x07;
384 } else {
385
386 reg_side = OPL3_RIGHT;
387 voice_offset = voice - MAX_OPL2_VOICES;
388 connect_mask = (OPL3_RIGHT_4OP_0 << voice_offset) & 0x38;
389 }
390
391
392 vp = &opl3->voices[voice];
393 if (vp->state > 0) {
394 opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK + voice_offset);
395 reg_val = vp->keyon_reg & ~OPL3_KEYON_BIT;
396 opl3->command(opl3, opl3_reg, reg_val);
397 }
398 if (instr_4op) {
399 vp2 = &opl3->voices[voice + 3];
400 if (vp->state > 0) {
401 opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK +
402 voice_offset + 3);
403 reg_val = vp->keyon_reg & ~OPL3_KEYON_BIT;
404 opl3->command(opl3, opl3_reg, reg_val);
405 }
406 }
407
408
409 if (instr_4op) {
410 if ((opl3->connection_reg ^ connect_mask) & connect_mask) {
411 opl3->connection_reg |= connect_mask;
412
413 opl3_reg = OPL3_RIGHT | OPL3_REG_CONNECTION_SELECT;
414 opl3->command(opl3, opl3_reg, opl3->connection_reg);
415 }
416 } else {
417 if ((opl3->connection_reg ^ ~connect_mask) & connect_mask) {
418 opl3->connection_reg &= ~connect_mask;
419
420 opl3_reg = OPL3_RIGHT | OPL3_REG_CONNECTION_SELECT;
421 opl3->command(opl3, opl3_reg, opl3->connection_reg);
422 }
423 }
424
425#ifdef DEBUG_MIDI
426 snd_printk(KERN_DEBUG " --> setting OPL3 connection: 0x%x\n",
427 opl3->connection_reg);
428#endif
429
430
431
432
433 for (i = 0; i < (instr_4op ? 4 : 2); i++)
434 vol_op[i] = fm->op[i].ksl_level;
435
436 connection = fm->feedback_connection[0] & 0x01;
437 if (instr_4op) {
438 connection <<= 1;
439 connection |= fm->feedback_connection[1] & 0x01;
440
441 snd_opl3_calc_volume(&vol_op[3], vel, chan);
442 switch (connection) {
443 case 0x03:
444 snd_opl3_calc_volume(&vol_op[2], vel, chan);
445 fallthrough;
446 case 0x02:
447 snd_opl3_calc_volume(&vol_op[0], vel, chan);
448 break;
449 case 0x01:
450 snd_opl3_calc_volume(&vol_op[1], vel, chan);
451 }
452 } else {
453 snd_opl3_calc_volume(&vol_op[1], vel, chan);
454 if (connection)
455 snd_opl3_calc_volume(&vol_op[0], vel, chan);
456 }
457
458
459 for (i = 0; i < (instr_4op ? 4 : 2); i++) {
460#ifdef DEBUG_MIDI
461 snd_printk(KERN_DEBUG " --> programming operator %i\n", i);
462#endif
463 op_offset = snd_opl3_regmap[voice_offset][i];
464
465
466 reg_val = fm->op[i].am_vib;
467 opl3_reg = reg_side | (OPL3_REG_AM_VIB + op_offset);
468 opl3->command(opl3, opl3_reg, reg_val);
469
470
471 reg_val = vol_op[i];
472 opl3_reg = reg_side | (OPL3_REG_KSL_LEVEL + op_offset);
473 opl3->command(opl3, opl3_reg, reg_val);
474
475
476 reg_val = fm->op[i].attack_decay;
477 opl3_reg = reg_side | (OPL3_REG_ATTACK_DECAY + op_offset);
478 opl3->command(opl3, opl3_reg, reg_val);
479
480
481 reg_val = fm->op[i].sustain_release;
482 opl3_reg = reg_side | (OPL3_REG_SUSTAIN_RELEASE + op_offset);
483 opl3->command(opl3, opl3_reg, reg_val);
484
485
486 reg_val = fm->op[i].wave_select;
487 opl3_reg = reg_side | (OPL3_REG_WAVE_SELECT + op_offset);
488 opl3->command(opl3, opl3_reg, reg_val);
489 }
490
491
492 reg_val = fm->feedback_connection[0];
493
494 reg_val |= OPL3_STEREO_BITS;
495 if (chan->gm_pan < 43)
496 reg_val &= ~OPL3_VOICE_TO_RIGHT;
497 if (chan->gm_pan > 85)
498 reg_val &= ~OPL3_VOICE_TO_LEFT;
499 opl3_reg = reg_side | (OPL3_REG_FEEDBACK_CONNECTION + voice_offset);
500 opl3->command(opl3, opl3_reg, reg_val);
501
502 if (instr_4op) {
503
504 reg_val = fm->feedback_connection[1] & OPL3_CONNECTION_BIT;
505
506 reg_val |= OPL3_STEREO_BITS;
507 if (chan->gm_pan < 43)
508 reg_val &= ~OPL3_VOICE_TO_RIGHT;
509 if (chan->gm_pan > 85)
510 reg_val &= ~OPL3_VOICE_TO_LEFT;
511 opl3_reg = reg_side | (OPL3_REG_FEEDBACK_CONNECTION +
512 voice_offset + 3);
513 opl3->command(opl3, opl3_reg, reg_val);
514 }
515
516
517
518
519
520
521 if (fm->fix_key)
522 note = fm->fix_key;
523
524
525
526 if (fm->trnsps)
527 note += (fm->trnsps - 64);
528
529 snd_opl3_calc_pitch(&fnum, &blocknum, note, chan);
530
531
532 opl3_reg = reg_side | (OPL3_REG_FNUM_LOW + voice_offset);
533 opl3->command(opl3, opl3_reg, fnum);
534
535 opl3->voices[voice].keyon_reg = blocknum;
536
537
538 blocknum |= OPL3_KEYON_BIT;
539
540#ifdef DEBUG_MIDI
541 snd_printk(KERN_DEBUG " --> trigger voice %i\n", voice);
542#endif
543
544 opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK + voice_offset);
545 opl3->command(opl3, opl3_reg, blocknum);
546
547
548 if (fm->fix_dur) {
549 opl3->voices[voice].note_off = jiffies +
550 (fm->fix_dur * HZ) / 100;
551 snd_opl3_start_timer(opl3);
552 opl3->voices[voice].note_off_check = 1;
553 } else
554 opl3->voices[voice].note_off_check = 0;
555
556
557 extra_prg = (extra_prg) ? 0 : fm->modes;
558
559
560 vp->time = opl3->use_time++;
561 vp->note = key;
562 vp->chan = chan;
563
564 if (instr_4op) {
565 vp->state = SNDRV_OPL3_ST_ON_4OP;
566
567 vp2 = &opl3->voices[voice + 3];
568 vp2->time = opl3->use_time++;
569 vp2->note = key;
570 vp2->chan = chan;
571 vp2->state = SNDRV_OPL3_ST_NOT_AVAIL;
572 } else {
573 if (vp->state == SNDRV_OPL3_ST_ON_4OP) {
574
575 vp2 = &opl3->voices[voice + 3];
576 vp2->time = opl3->use_time++;
577 vp2->state = SNDRV_OPL3_ST_OFF;
578 }
579 vp->state = SNDRV_OPL3_ST_ON_2OP;
580 }
581
582#ifdef DEBUG_ALLOC
583 debug_alloc(opl3, "note on ", voice);
584#endif
585
586
587 if (extra_prg) {
588 if (extra_prg > 128) {
589 bank = 128;
590
591 prg = extra_prg - 128 + 35 - 1;
592 } else {
593 bank = 0;
594 prg = extra_prg - 1;
595 }
596#ifdef DEBUG_MIDI
597 snd_printk(KERN_DEBUG " *** allocating extra program\n");
598#endif
599 goto __extra_prg;
600 }
601 spin_unlock_irqrestore(&opl3->voice_lock, flags);
602}
603
604static void snd_opl3_kill_voice(struct snd_opl3 *opl3, int voice)
605{
606 unsigned short reg_side;
607 unsigned char voice_offset;
608 unsigned short opl3_reg;
609
610 struct snd_opl3_voice *vp, *vp2;
611
612 if (snd_BUG_ON(voice >= MAX_OPL3_VOICES))
613 return;
614
615 vp = &opl3->voices[voice];
616 if (voice < MAX_OPL2_VOICES) {
617
618 reg_side = OPL3_LEFT;
619 voice_offset = voice;
620 } else {
621
622 reg_side = OPL3_RIGHT;
623 voice_offset = voice - MAX_OPL2_VOICES;
624 }
625
626
627#ifdef DEBUG_MIDI
628 snd_printk(KERN_DEBUG " --> kill voice %i\n", voice);
629#endif
630 opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK + voice_offset);
631
632 opl3->command(opl3, opl3_reg, vp->keyon_reg);
633
634
635 vp->time = opl3->use_time++;
636
637 if (vp->state == SNDRV_OPL3_ST_ON_4OP) {
638 vp2 = &opl3->voices[voice + 3];
639
640 vp2->time = opl3->use_time++;
641 vp2->state = SNDRV_OPL3_ST_OFF;
642 }
643 vp->state = SNDRV_OPL3_ST_OFF;
644#ifdef DEBUG_ALLOC
645 debug_alloc(opl3, "note off", voice);
646#endif
647
648}
649
650
651
652
653static void snd_opl3_note_off_unsafe(void *p, int note, int vel,
654 struct snd_midi_channel *chan)
655{
656 struct snd_opl3 *opl3;
657
658 int voice;
659 struct snd_opl3_voice *vp;
660
661 opl3 = p;
662
663#ifdef DEBUG_MIDI
664 snd_printk(KERN_DEBUG "Note off, ch %i, inst %i, note %i\n",
665 chan->number, chan->midi_program, note);
666#endif
667
668 if (opl3->synth_mode == SNDRV_OPL3_MODE_SEQ) {
669 if (chan->drum_channel && use_internal_drums) {
670 snd_opl3_drum_switch(opl3, note, vel, 0, chan);
671 return;
672 }
673
674
675 for (voice = 0; voice < opl3->max_voices; voice++) {
676 vp = &opl3->voices[voice];
677 if (vp->state > 0 && vp->chan == chan && vp->note == note) {
678 snd_opl3_kill_voice(opl3, voice);
679 }
680 }
681 } else {
682
683 if (chan->number < MAX_OPL3_VOICES) {
684 voice = snd_opl3_oss_map[chan->number];
685 snd_opl3_kill_voice(opl3, voice);
686 }
687 }
688}
689
690void snd_opl3_note_off(void *p, int note, int vel,
691 struct snd_midi_channel *chan)
692{
693 struct snd_opl3 *opl3 = p;
694 unsigned long flags;
695
696 spin_lock_irqsave(&opl3->voice_lock, flags);
697 snd_opl3_note_off_unsafe(p, note, vel, chan);
698 spin_unlock_irqrestore(&opl3->voice_lock, flags);
699}
700
701
702
703
704void snd_opl3_key_press(void *p, int note, int vel, struct snd_midi_channel *chan)
705{
706#ifdef DEBUG_MIDI
707 snd_printk(KERN_DEBUG "Key pressure, ch#: %i, inst#: %i\n",
708 chan->number, chan->midi_program);
709#endif
710}
711
712
713
714
715void snd_opl3_terminate_note(void *p, int note, struct snd_midi_channel *chan)
716{
717#ifdef DEBUG_MIDI
718 snd_printk(KERN_DEBUG "Terminate note, ch#: %i, inst#: %i\n",
719 chan->number, chan->midi_program);
720#endif
721}
722
723static void snd_opl3_update_pitch(struct snd_opl3 *opl3, int voice)
724{
725 unsigned short reg_side;
726 unsigned char voice_offset;
727 unsigned short opl3_reg;
728
729 unsigned char fnum, blocknum;
730
731 struct snd_opl3_voice *vp;
732
733 if (snd_BUG_ON(voice >= MAX_OPL3_VOICES))
734 return;
735
736 vp = &opl3->voices[voice];
737 if (vp->chan == NULL)
738 return;
739
740 if (voice < MAX_OPL2_VOICES) {
741
742 reg_side = OPL3_LEFT;
743 voice_offset = voice;
744 } else {
745
746 reg_side = OPL3_RIGHT;
747 voice_offset = voice - MAX_OPL2_VOICES;
748 }
749
750 snd_opl3_calc_pitch(&fnum, &blocknum, vp->note, vp->chan);
751
752
753 opl3_reg = reg_side | (OPL3_REG_FNUM_LOW + voice_offset);
754 opl3->command(opl3, opl3_reg, fnum);
755
756 vp->keyon_reg = blocknum;
757
758
759 blocknum |= OPL3_KEYON_BIT;
760
761
762 opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK + voice_offset);
763 opl3->command(opl3, opl3_reg, blocknum);
764
765 vp->time = opl3->use_time++;
766}
767
768
769
770
771static void snd_opl3_pitch_ctrl(struct snd_opl3 *opl3, struct snd_midi_channel *chan)
772{
773 int voice;
774 struct snd_opl3_voice *vp;
775
776 unsigned long flags;
777
778 spin_lock_irqsave(&opl3->voice_lock, flags);
779
780 if (opl3->synth_mode == SNDRV_OPL3_MODE_SEQ) {
781 for (voice = 0; voice < opl3->max_voices; voice++) {
782 vp = &opl3->voices[voice];
783 if (vp->state > 0 && vp->chan == chan) {
784 snd_opl3_update_pitch(opl3, voice);
785 }
786 }
787 } else {
788
789 if (chan->number < MAX_OPL3_VOICES) {
790 voice = snd_opl3_oss_map[chan->number];
791 snd_opl3_update_pitch(opl3, voice);
792 }
793 }
794 spin_unlock_irqrestore(&opl3->voice_lock, flags);
795}
796
797
798
799
800
801void snd_opl3_control(void *p, int type, struct snd_midi_channel *chan)
802{
803 struct snd_opl3 *opl3;
804
805 opl3 = p;
806#ifdef DEBUG_MIDI
807 snd_printk(KERN_DEBUG "Controller, TYPE = %i, ch#: %i, inst#: %i\n",
808 type, chan->number, chan->midi_program);
809#endif
810
811 switch (type) {
812 case MIDI_CTL_MSB_MODWHEEL:
813 if (chan->control[MIDI_CTL_MSB_MODWHEEL] > 63)
814 opl3->drum_reg |= OPL3_VIBRATO_DEPTH;
815 else
816 opl3->drum_reg &= ~OPL3_VIBRATO_DEPTH;
817 opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION,
818 opl3->drum_reg);
819 break;
820 case MIDI_CTL_E2_TREMOLO_DEPTH:
821 if (chan->control[MIDI_CTL_E2_TREMOLO_DEPTH] > 63)
822 opl3->drum_reg |= OPL3_TREMOLO_DEPTH;
823 else
824 opl3->drum_reg &= ~OPL3_TREMOLO_DEPTH;
825 opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION,
826 opl3->drum_reg);
827 break;
828 case MIDI_CTL_PITCHBEND:
829 snd_opl3_pitch_ctrl(opl3, chan);
830 break;
831 }
832}
833
834
835
836
837void snd_opl3_nrpn(void *p, struct snd_midi_channel *chan,
838 struct snd_midi_channel_set *chset)
839{
840#ifdef DEBUG_MIDI
841 snd_printk(KERN_DEBUG "NRPN, ch#: %i, inst#: %i\n",
842 chan->number, chan->midi_program);
843#endif
844}
845
846
847
848
849void snd_opl3_sysex(void *p, unsigned char *buf, int len,
850 int parsed, struct snd_midi_channel_set *chset)
851{
852#ifdef DEBUG_MIDI
853 snd_printk(KERN_DEBUG "SYSEX\n");
854#endif
855}
856