25 int snd_opl3_synth_use_inc(struct snd_opl3 * opl3)  in snd_opl3_synth_use_inc()  argument
27 	if (!try_module_get(opl3->card->module))  in snd_opl3_synth_use_inc()
33 void snd_opl3_synth_use_dec(struct snd_opl3 * opl3)  in snd_opl3_synth_use_dec()  argument
35 	module_put(opl3->card->module);  in snd_opl3_synth_use_dec()
38 int snd_opl3_synth_setup(struct snd_opl3 * opl3)  in snd_opl3_synth_setup()  argument
41 	struct snd_hwdep *hwdep = opl3->hwdep;  in snd_opl3_synth_setup()
51 	snd_opl3_reset(opl3);  in snd_opl3_synth_setup()
54 		opl3->voices[idx].state = SNDRV_OPL3_ST_OFF;  in snd_opl3_synth_setup()
55 		opl3->voices[idx].time = 0;  in snd_opl3_synth_setup()
56 		opl3->voices[idx].keyon_reg = 0x00;  in snd_opl3_synth_setup()
58 	opl3->use_time = 0;  in snd_opl3_synth_setup()
59 	opl3->connection_reg = 0x00;  in snd_opl3_synth_setup()
60 	if (opl3->hardware >= OPL3_HW_OPL3) {  in snd_opl3_synth_setup()
62 		opl3->command(opl3, OPL3_RIGHT | OPL3_REG_CONNECTION_SELECT,  in snd_opl3_synth_setup()
63 				 opl3->connection_reg);  in snd_opl3_synth_setup()
64 		opl3->max_voices = MAX_OPL3_VOICES;  in snd_opl3_synth_setup()
69 void snd_opl3_synth_cleanup(struct snd_opl3 * opl3)  in snd_opl3_synth_cleanup()  argument
75 	spin_lock_irqsave(&opl3->sys_timer_lock, flags);  in snd_opl3_synth_cleanup()
76 	if (opl3->sys_timer_status) {  in snd_opl3_synth_cleanup()
77 		del_timer(&opl3->tlist);  in snd_opl3_synth_cleanup()
78 		opl3->sys_timer_status = 0;  in snd_opl3_synth_cleanup()
80 	spin_unlock_irqrestore(&opl3->sys_timer_lock, flags);  in snd_opl3_synth_cleanup()
82 	snd_opl3_reset(opl3);  in snd_opl3_synth_cleanup()
83 	hwdep = opl3->hwdep;  in snd_opl3_synth_cleanup()
92 	struct snd_opl3 *opl3 = private_data;  in snd_opl3_synth_use()  local
95 	err = snd_opl3_synth_setup(opl3);  in snd_opl3_synth_use()
101 		opl3->voices[6].state = opl3->voices[7].state =   in snd_opl3_synth_use()
102 			opl3->voices[8].state = SNDRV_OPL3_ST_NOT_AVAIL;  in snd_opl3_synth_use()
103 		snd_opl3_load_drums(opl3);  in snd_opl3_synth_use()
104 		opl3->drum_reg = OPL3_PERCUSSION_ENABLE;  in snd_opl3_synth_use()
105 		opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION, opl3->drum_reg);  in snd_opl3_synth_use()
107 		opl3->drum_reg = 0x00;  in snd_opl3_synth_use()
111 		err = snd_opl3_synth_use_inc(opl3);  in snd_opl3_synth_use()
115 	opl3->synth_mode = SNDRV_OPL3_MODE_SEQ;  in snd_opl3_synth_use()
121 	struct snd_opl3 *opl3 = private_data;  in snd_opl3_synth_unuse()  local
123 	snd_opl3_synth_cleanup(opl3);  in snd_opl3_synth_unuse()
126 		snd_opl3_synth_use_dec(opl3);  in snd_opl3_synth_unuse()
146 	struct snd_opl3 *opl3 = private_data;  in snd_opl3_synth_event_input()  local
148 	snd_midi_process_event(&opl3_ops, ev, opl3->chset);  in snd_opl3_synth_event_input()
156 	struct snd_opl3 *opl3 = private_data;  in snd_opl3_synth_free_port()  local
158 	snd_midi_channel_free_set(opl3->chset);  in snd_opl3_synth_free_port()
161 static int snd_opl3_synth_create_port(struct snd_opl3 * opl3)  in snd_opl3_synth_create_port()  argument
167 	voices = (opl3->hardware < OPL3_HW_OPL3) ?  in snd_opl3_synth_create_port()
169 	opl3->chset = snd_midi_channel_alloc_set(16);  in snd_opl3_synth_create_port()
170 	if (opl3->chset == NULL)  in snd_opl3_synth_create_port()
172 	opl3->chset->private_data = opl3;  in snd_opl3_synth_create_port()
180 	callbacks.private_data = opl3;  in snd_opl3_synth_create_port()
182 	opl_ver = (opl3->hardware & OPL3_HW_MASK) >> 8;  in snd_opl3_synth_create_port()
185 	opl3->chset->client = opl3->seq_client;  in snd_opl3_synth_create_port()
186 	opl3->chset->port = snd_seq_event_port_attach(opl3->seq_client, &callbacks,  in snd_opl3_synth_create_port()
196 	if (opl3->chset->port < 0) {  in snd_opl3_synth_create_port()
198 		port = opl3->chset->port;  in snd_opl3_synth_create_port()
199 		snd_midi_channel_free_set(opl3->chset);  in snd_opl3_synth_create_port()
210 	struct snd_opl3 *opl3;  in snd_opl3_seq_probe()  local
215 	opl3 = *(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(dev);  in snd_opl3_seq_probe()
216 	if (opl3 == NULL)  in snd_opl3_seq_probe()
219 	spin_lock_init(&opl3->voice_lock);  in snd_opl3_seq_probe()
221 	opl3->seq_client = -1;  in snd_opl3_seq_probe()
224 	opl_ver = (opl3->hardware & OPL3_HW_MASK) >> 8;  in snd_opl3_seq_probe()
226 	client = opl3->seq_client =  in snd_opl3_seq_probe()
227 		snd_seq_create_kernel_client(opl3->card, opl3->seq_dev_num,  in snd_opl3_seq_probe()
232 	err = snd_opl3_synth_create_port(opl3);  in snd_opl3_seq_probe()
235 		opl3->seq_client = -1;  in snd_opl3_seq_probe()
240 	timer_setup(&opl3->tlist, snd_opl3_timer_func, 0);  in snd_opl3_seq_probe()
241 	spin_lock_init(&opl3->sys_timer_lock);  in snd_opl3_seq_probe()
242 	opl3->sys_timer_status = 0;  in snd_opl3_seq_probe()
245 	snd_opl3_init_seq_oss(opl3, name);  in snd_opl3_seq_probe()
253 	struct snd_opl3 *opl3;  in snd_opl3_seq_remove()  local
255 	opl3 = *(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(dev);  in snd_opl3_seq_remove()
256 	if (opl3 == NULL)  in snd_opl3_seq_remove()
260 	snd_opl3_free_seq_oss(opl3);  in snd_opl3_seq_remove()
262 	if (opl3->seq_client >= 0) {  in snd_opl3_seq_remove()
263 		snd_seq_delete_kernel_client(opl3->seq_client);  in snd_opl3_seq_remove()
264 		opl3->seq_client = -1;  in snd_opl3_seq_remove()