117 static void debug_alloc(struct snd_opl3 *opl3, char *s, int voice)  in debug_alloc()  argument
127 		opl3->use_time, s, voice, buf);  in debug_alloc()
132  * Get a FM voice (channel) to play a note on.
136 	int chan_4op_1;		/* first voice for 4op instrument */  in opl3_get_voice()
137 	int chan_4op_2;		/* second voice for 4op instrument */  in opl3_get_voice()
155 		int voice;  in opl3_get_voice()  member
161 		best[i].voice = -1;  in opl3_get_voice()
179 			/* allocate 4op voice */  in opl3_get_voice()
185 				/* kill one voice, CHEAP */  in opl3_get_voice()
196 			/* allocate 2op voice */  in opl3_get_voice()
201 				/* kill one voice on 2op channel, CHEAP */  in opl3_get_voice()
209 			bp->voice = i;  in opl3_get_voice()
214 		if (best[i].voice >= 0) {  in opl3_get_voice()
217 				"%s %iop allocation on voice %i\n",  in opl3_get_voice()
219 				best[i].voice);  in opl3_get_voice()
221 			return best[i].voice;  in opl3_get_voice()
291 	int voice;  in snd_opl3_note_on()  local
320 	/* in SEQ mode, drum voice numbers are notes on drum channel */  in snd_opl3_note_on()
373 	/* in SEQ mode, allocate voice on free OPL3 channel */  in snd_opl3_note_on()
375 		voice = opl3_get_voice(opl3, instr_4op, chan);  in snd_opl3_note_on()
377 		/* remap OSS voice */  in snd_opl3_note_on()
378 		voice = snd_opl3_oss_map[chan->number];		  in snd_opl3_note_on()
381 	if (voice < 0) {  in snd_opl3_note_on()
386 	if (voice < MAX_OPL2_VOICES) {  in snd_opl3_note_on()
389 		voice_offset = voice;  in snd_opl3_note_on()
394 		voice_offset = voice - MAX_OPL2_VOICES;  in snd_opl3_note_on()
398 	/* kill voice on channel */  in snd_opl3_note_on()
399 	vp = &opl3->voices[voice];  in snd_opl3_note_on()
406 		vp2 = &opl3->voices[voice + 3];  in snd_opl3_note_on()
463 	/* Program the FM voice characteristics */  in snd_opl3_note_on()
468 		/* Set OPL3 AM_VIB register of requested voice/operator */   in snd_opl3_note_on()
473 		/* Set OPL3 KSL_LEVEL register of requested voice/operator */   in snd_opl3_note_on()
478 		/* Set OPL3 ATTACK_DECAY register of requested voice/operator */   in snd_opl3_note_on()
483 		/* Set OPL3 SUSTAIN_RELEASE register of requested voice/operator */   in snd_opl3_note_on()
496 	/* Set output voice connection */  in snd_opl3_note_on()
508 		/* Set output voice connection */  in snd_opl3_note_on()
534 	/* Set OPL3 FNUM_LOW register of requested voice */  in snd_opl3_note_on()
538 	opl3->voices[voice].keyon_reg = blocknum;  in snd_opl3_note_on()
543 	opl3_dbg(opl3, "  --> trigger voice %i\n", voice);  in snd_opl3_note_on()
544 	/* Set OPL3 KEYON_BLOCK register of requested voice */   in snd_opl3_note_on()
550 		opl3->voices[voice].note_off = jiffies +  in snd_opl3_note_on()
553 		opl3->voices[voice].note_off_check = 1;  in snd_opl3_note_on()
555 		opl3->voices[voice].note_off_check = 0;  in snd_opl3_note_on()
568 		vp2 = &opl3->voices[voice + 3];  in snd_opl3_note_on()
575 			/* 4op killed by 2op, release bounded voice */  in snd_opl3_note_on()
576 			vp2 = &opl3->voices[voice + 3];  in snd_opl3_note_on()
584 	debug_alloc(opl3, "note on ", voice);  in snd_opl3_note_on()
603 static void snd_opl3_kill_voice(struct snd_opl3 *opl3, int voice)  in snd_opl3_kill_voice()  argument
611 	if (snd_BUG_ON(voice >= MAX_OPL3_VOICES))  in snd_opl3_kill_voice()
614 	vp = &opl3->voices[voice];  in snd_opl3_kill_voice()
615 	if (voice < MAX_OPL2_VOICES) {  in snd_opl3_kill_voice()
618 		voice_offset = voice;  in snd_opl3_kill_voice()
622 		voice_offset = voice - MAX_OPL2_VOICES;  in snd_opl3_kill_voice()
625 	/* kill voice */  in snd_opl3_kill_voice()
626 	opl3_dbg(opl3, "  --> kill voice %i\n", voice);  in snd_opl3_kill_voice()
635 		vp2 = &opl3->voices[voice + 3];  in snd_opl3_kill_voice()
642 	debug_alloc(opl3, "note off", voice);  in snd_opl3_kill_voice()
655 	int voice;  in snd_opl3_note_off_unsafe()  local
670 		for (voice = 0; voice < opl3->max_voices; voice++) {  in snd_opl3_note_off_unsafe()
671 			vp = &opl3->voices[voice];  in snd_opl3_note_off_unsafe()
673 				snd_opl3_kill_voice(opl3, voice);  in snd_opl3_note_off_unsafe()
679 			voice = snd_opl3_oss_map[chan->number];		  in snd_opl3_note_off_unsafe()
680 			snd_opl3_kill_voice(opl3, voice);  in snd_opl3_note_off_unsafe()
714 static void snd_opl3_update_pitch(struct snd_opl3 *opl3, int voice)  in snd_opl3_update_pitch()  argument
724 	if (snd_BUG_ON(voice >= MAX_OPL3_VOICES))  in snd_opl3_update_pitch()
727 	vp = &opl3->voices[voice];  in snd_opl3_update_pitch()
731 	if (voice < MAX_OPL2_VOICES) {  in snd_opl3_update_pitch()
734 		voice_offset = voice;  in snd_opl3_update_pitch()
738 		voice_offset = voice - MAX_OPL2_VOICES;  in snd_opl3_update_pitch()
743 	/* Set OPL3 FNUM_LOW register of requested voice */  in snd_opl3_update_pitch()
752 	/* Set OPL3 KEYON_BLOCK register of requested voice */   in snd_opl3_update_pitch()
760  * Update voice pitch controller
764 	int voice;  in snd_opl3_pitch_ctrl()  local
772 		for (voice = 0; voice < opl3->max_voices; voice++) {  in snd_opl3_pitch_ctrl()
773 			vp = &opl3->voices[voice];  in snd_opl3_pitch_ctrl()
775 				snd_opl3_update_pitch(opl3, voice);  in snd_opl3_pitch_ctrl()
781 			voice = snd_opl3_oss_map[chan->number];		  in snd_opl3_pitch_ctrl()
782 			snd_opl3_update_pitch(opl3, voice);  in snd_opl3_pitch_ctrl()