273 void snd_opl4_synth_reset(struct snd_opl4 *opl4)  in snd_opl4_synth_reset()  argument
278 	spin_lock_irqsave(&opl4->reg_lock, flags);  in snd_opl4_synth_reset()
280 		snd_opl4_write(opl4, OPL4_REG_MISC + i, OPL4_DAMP_BIT);  in snd_opl4_synth_reset()
281 	spin_unlock_irqrestore(&opl4->reg_lock, flags);  in snd_opl4_synth_reset()
283 	INIT_LIST_HEAD(&opl4->off_voices);  in snd_opl4_synth_reset()
284 	INIT_LIST_HEAD(&opl4->on_voices);  in snd_opl4_synth_reset()
285 	memset(opl4->voices, 0, sizeof(opl4->voices));  in snd_opl4_synth_reset()
287 		opl4->voices[i].number = i;  in snd_opl4_synth_reset()
288 		list_add_tail(&opl4->voices[i].list, &opl4->off_voices);  in snd_opl4_synth_reset()
291 	snd_midi_channel_set_clear(opl4->chset);  in snd_opl4_synth_reset()
297 void snd_opl4_synth_shutdown(struct snd_opl4 *opl4)  in snd_opl4_synth_shutdown()  argument
302 	spin_lock_irqsave(&opl4->reg_lock, flags);  in snd_opl4_synth_shutdown()
304 		snd_opl4_write(opl4, OPL4_REG_MISC + i,  in snd_opl4_synth_shutdown()
305 			       opl4->voices[i].reg_misc & ~OPL4_KEY_ON_BIT);  in snd_opl4_synth_shutdown()
306 	spin_unlock_irqrestore(&opl4->reg_lock, flags);  in snd_opl4_synth_shutdown()
312 static void snd_opl4_do_for_note(struct snd_opl4 *opl4, int note, struct snd_midi_channel *chan,  in snd_opl4_do_for_note()  argument
313 				 void (*func)(struct snd_opl4 *opl4, struct opl4_voice *voice))  in snd_opl4_do_for_note()  argument
319 	spin_lock_irqsave(&opl4->reg_lock, flags);  in snd_opl4_do_for_note()
321 		voice = &opl4->voices[i];  in snd_opl4_do_for_note()
323 			func(opl4, voice);  in snd_opl4_do_for_note()
326 	spin_unlock_irqrestore(&opl4->reg_lock, flags);  in snd_opl4_do_for_note()
332 static void snd_opl4_do_for_channel(struct snd_opl4 *opl4,  in snd_opl4_do_for_channel()  argument
334 				    void (*func)(struct snd_opl4 *opl4, struct opl4_voice *voice))  in snd_opl4_do_for_channel()  argument
340 	spin_lock_irqsave(&opl4->reg_lock, flags);  in snd_opl4_do_for_channel()
342 		voice = &opl4->voices[i];  in snd_opl4_do_for_channel()
344 			func(opl4, voice);  in snd_opl4_do_for_channel()
347 	spin_unlock_irqrestore(&opl4->reg_lock, flags);  in snd_opl4_do_for_channel()
353 static void snd_opl4_do_for_all(struct snd_opl4 *opl4,  in snd_opl4_do_for_all()  argument
354 				void (*func)(struct snd_opl4 *opl4, struct opl4_voice *voice))  in snd_opl4_do_for_all()  argument
360 	spin_lock_irqsave(&opl4->reg_lock, flags);  in snd_opl4_do_for_all()
362 		voice = &opl4->voices[i];  in snd_opl4_do_for_all()
364 			func(opl4, voice);  in snd_opl4_do_for_all()
366 	spin_unlock_irqrestore(&opl4->reg_lock, flags);  in snd_opl4_do_for_all()
369 static void snd_opl4_update_volume(struct snd_opl4 *opl4, struct opl4_voice *voice)  in snd_opl4_update_volume()  argument
374 	att += snd_opl4_volume_table[opl4->chset->gs_master_volume & 0x7f];  in snd_opl4_update_volume()
383 	snd_opl4_write(opl4, OPL4_REG_LEVEL + voice->number,  in snd_opl4_update_volume()
388 static void snd_opl4_update_pan(struct snd_opl4 *opl4, struct opl4_voice *voice)  in snd_opl4_update_pan()  argument
400 	snd_opl4_write(opl4, OPL4_REG_MISC + voice->number, voice->reg_misc);  in snd_opl4_update_pan()
403 static void snd_opl4_update_vibrato_depth(struct snd_opl4 *opl4,  in snd_opl4_update_vibrato_depth()  argument
415 	snd_opl4_write(opl4, OPL4_REG_LFO_VIBRATO + voice->number,  in snd_opl4_update_vibrato_depth()
419 static void snd_opl4_update_pitch(struct snd_opl4 *opl4,  in snd_opl4_update_pitch()  argument
443 	snd_opl4_write(opl4, OPL4_REG_OCTAVE + voice->number,  in snd_opl4_update_pitch()
447 	snd_opl4_write(opl4, OPL4_REG_F_NUMBER + voice->number, voice->reg_f_number);  in snd_opl4_update_pitch()
450 static void snd_opl4_update_tone_parameters(struct snd_opl4 *opl4,  in snd_opl4_update_tone_parameters()  argument
453 	snd_opl4_write(opl4, OPL4_REG_ATTACK_DECAY1 + voice->number,  in snd_opl4_update_tone_parameters()
455 	snd_opl4_write(opl4, OPL4_REG_LEVEL_DECAY2 + voice->number,  in snd_opl4_update_tone_parameters()
457 	snd_opl4_write(opl4, OPL4_REG_RELEASE_CORRECTION + voice->number,  in snd_opl4_update_tone_parameters()
459 	snd_opl4_write(opl4, OPL4_REG_TREMOLO + voice->number,  in snd_opl4_update_tone_parameters()
464 static struct opl4_voice *snd_opl4_get_voice(struct snd_opl4 *opl4)  in snd_opl4_get_voice()  argument
467 	if (!list_empty(&opl4->off_voices))  in snd_opl4_get_voice()
468 		return list_entry(opl4->off_voices.next, struct opl4_voice, list);  in snd_opl4_get_voice()
470 	snd_BUG_ON(list_empty(&opl4->on_voices));  in snd_opl4_get_voice()
471 	return list_entry(opl4->on_voices.next, struct opl4_voice, list);  in snd_opl4_get_voice()
474 static void snd_opl4_wait_for_wave_headers(struct snd_opl4 *opl4)  in snd_opl4_wait_for_wave_headers()  argument
478 	while ((inb(opl4->fm_port) & OPL4_STATUS_LOAD) && --timeout > 0)  in snd_opl4_wait_for_wave_headers()
484 	struct snd_opl4 *opl4 = private_data;  in snd_opl4_note_on()  local
504 	spin_lock_irqsave(&opl4->reg_lock, flags);  in snd_opl4_note_on()
506 		voice[i] = snd_opl4_get_voice(opl4);  in snd_opl4_note_on()
507 		list_move_tail(&voice[i]->list, &opl4->on_voices);  in snd_opl4_note_on()
518 		snd_opl4_write(opl4, OPL4_REG_F_NUMBER + voice[i]->number,  in snd_opl4_note_on()
520 		snd_opl4_write(opl4, OPL4_REG_TONE_NUMBER + voice[i]->number,  in snd_opl4_note_on()
527 		snd_opl4_update_pan(opl4, voice[i]);  in snd_opl4_note_on()
528 		snd_opl4_update_pitch(opl4, voice[i]);  in snd_opl4_note_on()
530 		snd_opl4_update_volume(opl4, voice[i]);  in snd_opl4_note_on()
532 	spin_unlock_irqrestore(&opl4->reg_lock, flags);  in snd_opl4_note_on()
535 	snd_opl4_wait_for_wave_headers(opl4);  in snd_opl4_note_on()
538 	spin_lock_irqsave(&opl4->reg_lock, flags);  in snd_opl4_note_on()
540 		snd_opl4_update_tone_parameters(opl4, voice[i]);  in snd_opl4_note_on()
542 		snd_opl4_update_vibrato_depth(opl4, voice[i]);  in snd_opl4_note_on()
549 		snd_opl4_write(opl4, OPL4_REG_MISC + voice[i]->number,  in snd_opl4_note_on()
552 	spin_unlock_irqrestore(&opl4->reg_lock, flags);  in snd_opl4_note_on()
555 static void snd_opl4_voice_off(struct snd_opl4 *opl4, struct opl4_voice *voice)  in snd_opl4_voice_off()  argument
557 	list_move_tail(&voice->list, &opl4->off_voices);  in snd_opl4_voice_off()
560 	snd_opl4_write(opl4, OPL4_REG_MISC + voice->number, voice->reg_misc);  in snd_opl4_voice_off()
565 	struct snd_opl4 *opl4 = private_data;  in snd_opl4_note_off()  local
567 	snd_opl4_do_for_note(opl4, note, chan, snd_opl4_voice_off);  in snd_opl4_note_off()
570 static void snd_opl4_terminate_voice(struct snd_opl4 *opl4, struct opl4_voice *voice)  in snd_opl4_terminate_voice()  argument
572 	list_move_tail(&voice->list, &opl4->off_voices);  in snd_opl4_terminate_voice()
575 	snd_opl4_write(opl4, OPL4_REG_MISC + voice->number, voice->reg_misc);  in snd_opl4_terminate_voice()
580 	struct snd_opl4 *opl4 = private_data;  in snd_opl4_terminate_note()  local
582 	snd_opl4_do_for_note(opl4, note, chan, snd_opl4_terminate_voice);  in snd_opl4_terminate_note()
587 	struct snd_opl4 *opl4 = private_data;  in snd_opl4_control()  local
592 		snd_opl4_do_for_channel(opl4, chan, snd_opl4_update_vibrato_depth);  in snd_opl4_control()
595 		snd_opl4_do_for_channel(opl4, chan, snd_opl4_update_volume);  in snd_opl4_control()
598 		snd_opl4_do_for_channel(opl4, chan, snd_opl4_update_pan);  in snd_opl4_control()
601 		snd_opl4_do_for_channel(opl4, chan, snd_opl4_update_volume);  in snd_opl4_control()
607 		snd_opl4_do_for_channel(opl4, chan, snd_opl4_update_vibrato_depth);  in snd_opl4_control()
619 		snd_opl4_do_for_channel(opl4, chan, snd_opl4_update_pitch);  in snd_opl4_control()
627 	struct snd_opl4 *opl4 = private_data;  in snd_opl4_sysex()  local
630 		snd_opl4_do_for_all(opl4, snd_opl4_update_volume);  in snd_opl4_sysex()