39 int snd_opl3_synth_use_inc(struct snd_opl3 * opl3)  in snd_opl3_synth_use_inc()  argument
41 	if (!try_module_get(opl3->card->module))  in snd_opl3_synth_use_inc()
47 void snd_opl3_synth_use_dec(struct snd_opl3 * opl3)  in snd_opl3_synth_use_dec()  argument
49 	module_put(opl3->card->module);  in snd_opl3_synth_use_dec()
52 int snd_opl3_synth_setup(struct snd_opl3 * opl3)  in snd_opl3_synth_setup()  argument
55 	struct snd_hwdep *hwdep = opl3->hwdep;  in snd_opl3_synth_setup()
65 	snd_opl3_reset(opl3);  in snd_opl3_synth_setup()
68 		opl3->voices[idx].state = SNDRV_OPL3_ST_OFF;  in snd_opl3_synth_setup()
69 		opl3->voices[idx].time = 0;  in snd_opl3_synth_setup()
70 		opl3->voices[idx].keyon_reg = 0x00;  in snd_opl3_synth_setup()
72 	opl3->use_time = 0;  in snd_opl3_synth_setup()
73 	opl3->connection_reg = 0x00;  in snd_opl3_synth_setup()
74 	if (opl3->hardware >= OPL3_HW_OPL3) {  in snd_opl3_synth_setup()
76 		opl3->command(opl3, OPL3_RIGHT | OPL3_REG_CONNECTION_SELECT,  in snd_opl3_synth_setup()
77 				 opl3->connection_reg);  in snd_opl3_synth_setup()
78 		opl3->max_voices = MAX_OPL3_VOICES;  in snd_opl3_synth_setup()
83 void snd_opl3_synth_cleanup(struct snd_opl3 * opl3)  in snd_opl3_synth_cleanup()  argument
89 	spin_lock_irqsave(&opl3->sys_timer_lock, flags);  in snd_opl3_synth_cleanup()
90 	if (opl3->sys_timer_status) {  in snd_opl3_synth_cleanup()
91 		del_timer(&opl3->tlist);  in snd_opl3_synth_cleanup()
92 		opl3->sys_timer_status = 0;  in snd_opl3_synth_cleanup()
94 	spin_unlock_irqrestore(&opl3->sys_timer_lock, flags);  in snd_opl3_synth_cleanup()
96 	snd_opl3_reset(opl3);  in snd_opl3_synth_cleanup()
97 	hwdep = opl3->hwdep;  in snd_opl3_synth_cleanup()
106 	struct snd_opl3 *opl3 = private_data;  in snd_opl3_synth_use()  local
109 	if ((err = snd_opl3_synth_setup(opl3)) < 0)  in snd_opl3_synth_use()
114 		opl3->voices[6].state = opl3->voices[7].state =   in snd_opl3_synth_use()
115 			opl3->voices[8].state = SNDRV_OPL3_ST_NOT_AVAIL;  in snd_opl3_synth_use()
116 		snd_opl3_load_drums(opl3);  in snd_opl3_synth_use()
117 		opl3->drum_reg = OPL3_PERCUSSION_ENABLE;  in snd_opl3_synth_use()
118 		opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION, opl3->drum_reg);  in snd_opl3_synth_use()
120 		opl3->drum_reg = 0x00;  in snd_opl3_synth_use()
124 		if ((err = snd_opl3_synth_use_inc(opl3)) < 0)  in snd_opl3_synth_use()
127 	opl3->synth_mode = SNDRV_OPL3_MODE_SEQ;  in snd_opl3_synth_use()
133 	struct snd_opl3 *opl3 = private_data;  in snd_opl3_synth_unuse()  local
135 	snd_opl3_synth_cleanup(opl3);  in snd_opl3_synth_unuse()
138 		snd_opl3_synth_use_dec(opl3);  in snd_opl3_synth_unuse()
158 	struct snd_opl3 *opl3 = private_data;  in snd_opl3_synth_event_input()  local
160 	snd_midi_process_event(&opl3_ops, ev, opl3->chset);  in snd_opl3_synth_event_input()
168 	struct snd_opl3 *opl3 = private_data;  in snd_opl3_synth_free_port()  local
170 	snd_midi_channel_free_set(opl3->chset);  in snd_opl3_synth_free_port()
173 static int snd_opl3_synth_create_port(struct snd_opl3 * opl3)  in snd_opl3_synth_create_port()  argument
179 	voices = (opl3->hardware < OPL3_HW_OPL3) ?  in snd_opl3_synth_create_port()
181 	opl3->chset = snd_midi_channel_alloc_set(16);  in snd_opl3_synth_create_port()
182 	if (opl3->chset == NULL)  in snd_opl3_synth_create_port()
184 	opl3->chset->private_data = opl3;  in snd_opl3_synth_create_port()
192 	callbacks.private_data = opl3;  in snd_opl3_synth_create_port()
194 	opl_ver = (opl3->hardware & OPL3_HW_MASK) >> 8;  in snd_opl3_synth_create_port()
197 	opl3->chset->client = opl3->seq_client;  in snd_opl3_synth_create_port()
198 	opl3->chset->port = snd_seq_event_port_attach(opl3->seq_client, &callbacks,  in snd_opl3_synth_create_port()
208 	if (opl3->chset->port < 0) {  in snd_opl3_synth_create_port()
210 		port = opl3->chset->port;  in snd_opl3_synth_create_port()
211 		snd_midi_channel_free_set(opl3->chset);  in snd_opl3_synth_create_port()
221 	struct snd_opl3 *opl3;  in snd_opl3_seq_new_device()  local
226 	opl3 = *(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(dev);  in snd_opl3_seq_new_device()
227 	if (opl3 == NULL)  in snd_opl3_seq_new_device()
230 	spin_lock_init(&opl3->voice_lock);  in snd_opl3_seq_new_device()
232 	opl3->seq_client = -1;  in snd_opl3_seq_new_device()
235 	opl_ver = (opl3->hardware & OPL3_HW_MASK) >> 8;  in snd_opl3_seq_new_device()
237 	client = opl3->seq_client =  in snd_opl3_seq_new_device()
238 		snd_seq_create_kernel_client(opl3->card, opl3->seq_dev_num,  in snd_opl3_seq_new_device()
243 	if ((err = snd_opl3_synth_create_port(opl3)) < 0) {  in snd_opl3_seq_new_device()
245 		opl3->seq_client = -1;  in snd_opl3_seq_new_device()
250 	init_timer(&opl3->tlist);  in snd_opl3_seq_new_device()
251 	opl3->tlist.function = snd_opl3_timer_func;  in snd_opl3_seq_new_device()
252 	opl3->tlist.data = (unsigned long) opl3;  in snd_opl3_seq_new_device()
253 	spin_lock_init(&opl3->sys_timer_lock);  in snd_opl3_seq_new_device()
254 	opl3->sys_timer_status = 0;  in snd_opl3_seq_new_device()
257 	snd_opl3_init_seq_oss(opl3, name);  in snd_opl3_seq_new_device()
264 	struct snd_opl3 *opl3;  in snd_opl3_seq_delete_device()  local
266 	opl3 = *(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(dev);  in snd_opl3_seq_delete_device()
267 	if (opl3 == NULL)  in snd_opl3_seq_delete_device()
271 	snd_opl3_free_seq_oss(opl3);  in snd_opl3_seq_delete_device()
273 	if (opl3->seq_client >= 0) {  in snd_opl3_seq_delete_device()
274 		snd_seq_delete_kernel_client(opl3->seq_client);  in snd_opl3_seq_delete_device()
275 		opl3->seq_client = -1;  in snd_opl3_seq_delete_device()