68 snd_emux_init_seq(struct snd_emux *emu, struct snd_card *card, int index)  in snd_emux_init_seq()  argument
74 	emu->client = snd_seq_create_kernel_client(card, index,  in snd_emux_init_seq()
75 						   "%s WaveTable", emu->name);  in snd_emux_init_seq()
76 	if (emu->client < 0) {  in snd_emux_init_seq()
81 	if (emu->num_ports < 0) {  in snd_emux_init_seq()
83 		emu->num_ports = 1;  in snd_emux_init_seq()
84 	} else if (emu->num_ports >= SNDRV_EMUX_MAX_PORTS) {  in snd_emux_init_seq()
87 		emu->num_ports = SNDRV_EMUX_MAX_PORTS;  in snd_emux_init_seq()
96 	for (i = 0; i < emu->num_ports; i++) {  in snd_emux_init_seq()
99 		sprintf(tmpname, "%s Port %d", emu->name, i);  in snd_emux_init_seq()
100 		p = snd_emux_create_port(emu, tmpname, MIDI_CHANNELS,  in snd_emux_init_seq()
109 		emu->ports[i] = p->chset.port;  in snd_emux_init_seq()
110 		emu->portptrs[i] = p;  in snd_emux_init_seq()
122 snd_emux_detach_seq(struct snd_emux *emu)  in snd_emux_detach_seq()  argument
124 	if (emu->voices)  in snd_emux_detach_seq()
125 		snd_emux_terminate_all(emu);  in snd_emux_detach_seq()
127 	if (emu->client >= 0) {  in snd_emux_detach_seq()
128 		snd_seq_delete_kernel_client(emu->client);  in snd_emux_detach_seq()
129 		emu->client = -1;  in snd_emux_detach_seq()
139 snd_emux_create_port(struct snd_emux *emu, char *name,  in snd_emux_create_port()  argument
161 	p->emu = emu;  in snd_emux_create_port()
162 	p->chset.client = emu->client;  in snd_emux_create_port()
177 	p->chset.port = snd_seq_event_port_attach(emu->client, callback,  in snd_emux_create_port()
179 						  emu->max_voices, name);  in snd_emux_create_port()
271 __snd_emux_inc_count(struct snd_emux *emu)  in __snd_emux_inc_count()  argument
273 	emu->used++;  in __snd_emux_inc_count()
274 	if (!try_module_get(emu->ops.owner))  in __snd_emux_inc_count()
276 	if (!try_module_get(emu->card->module)) {  in __snd_emux_inc_count()
277 		module_put(emu->ops.owner);  in __snd_emux_inc_count()
279 		emu->used--;  in __snd_emux_inc_count()
285 int snd_emux_inc_count(struct snd_emux *emu)  in snd_emux_inc_count()  argument
289 	mutex_lock(&emu->register_mutex);  in snd_emux_inc_count()
290 	ret = __snd_emux_inc_count(emu);  in snd_emux_inc_count()
291 	mutex_unlock(&emu->register_mutex);  in snd_emux_inc_count()
299 __snd_emux_dec_count(struct snd_emux *emu)  in __snd_emux_dec_count()  argument
301 	module_put(emu->card->module);  in __snd_emux_dec_count()
302 	emu->used--;  in __snd_emux_dec_count()
303 	if (emu->used <= 0)  in __snd_emux_dec_count()
304 		snd_emux_terminate_all(emu);  in __snd_emux_dec_count()
305 	module_put(emu->ops.owner);  in __snd_emux_dec_count()
308 void snd_emux_dec_count(struct snd_emux *emu)  in snd_emux_dec_count()  argument
310 	mutex_lock(&emu->register_mutex);  in snd_emux_dec_count()
311 	__snd_emux_dec_count(emu);  in snd_emux_dec_count()
312 	mutex_unlock(&emu->register_mutex);  in snd_emux_dec_count()
322 	struct snd_emux *emu;  in snd_emux_use()  local
327 	emu = p->emu;  in snd_emux_use()
328 	if (snd_BUG_ON(!emu))  in snd_emux_use()
331 	mutex_lock(&emu->register_mutex);  in snd_emux_use()
333 	__snd_emux_inc_count(emu);  in snd_emux_use()
334 	mutex_unlock(&emu->register_mutex);  in snd_emux_use()
345 	struct snd_emux *emu;  in snd_emux_unuse()  local
350 	emu = p->emu;  in snd_emux_unuse()
351 	if (snd_BUG_ON(!emu))  in snd_emux_unuse()
354 	mutex_lock(&emu->register_mutex);  in snd_emux_unuse()
356 	__snd_emux_dec_count(emu);  in snd_emux_unuse()
357 	mutex_unlock(&emu->register_mutex);  in snd_emux_unuse()
365 int snd_emux_init_virmidi(struct snd_emux *emu, struct snd_card *card)  in snd_emux_init_virmidi()  argument
369 	emu->vmidi = NULL;  in snd_emux_init_virmidi()
370 	if (emu->midi_ports <= 0)  in snd_emux_init_virmidi()
373 	emu->vmidi = kcalloc(emu->midi_ports, sizeof(struct snd_rawmidi *), GFP_KERNEL);  in snd_emux_init_virmidi()
374 	if (emu->vmidi == NULL)  in snd_emux_init_virmidi()
377 	for (i = 0; i < emu->midi_ports; i++) {  in snd_emux_init_virmidi()
380 		if (snd_virmidi_new(card, emu->midi_devidx + i, &rmidi) < 0)  in snd_emux_init_virmidi()
383 		sprintf(rmidi->name, "%s Synth MIDI", emu->name);  in snd_emux_init_virmidi()
385 		rdev->client = emu->client;  in snd_emux_init_virmidi()
386 		rdev->port = emu->ports[i];  in snd_emux_init_virmidi()
391 		emu->vmidi[i] = rmidi;  in snd_emux_init_virmidi()
398 	snd_emux_delete_virmidi(emu);  in snd_emux_init_virmidi()
402 int snd_emux_delete_virmidi(struct snd_emux *emu)  in snd_emux_delete_virmidi()  argument
406 	if (emu->vmidi == NULL)  in snd_emux_delete_virmidi()
409 	for (i = 0; i < emu->midi_ports; i++) {  in snd_emux_delete_virmidi()
410 		if (emu->vmidi[i])  in snd_emux_delete_virmidi()
411 			snd_device_free(emu->card, emu->vmidi[i]);  in snd_emux_delete_virmidi()
413 	kfree(emu->vmidi);  in snd_emux_delete_virmidi()
414 	emu->vmidi = NULL;  in snd_emux_delete_virmidi()