Lines Matching refs:emu
55 snd_emux_init_seq(struct snd_emux *emu, struct snd_card *card, int index)
61 emu->client = snd_seq_create_kernel_client(card, index,
62 "%s WaveTable", emu->name);
63 if (emu->client < 0) {
68 if (emu->num_ports < 0) {
70 emu->num_ports = 1;
71 } else if (emu->num_ports >= SNDRV_EMUX_MAX_PORTS) {
74 emu->num_ports = SNDRV_EMUX_MAX_PORTS;
83 for (i = 0; i < emu->num_ports; i++) {
86 sprintf(tmpname, "%s Port %d", emu->name, i);
87 p = snd_emux_create_port(emu, tmpname, MIDI_CHANNELS,
96 emu->ports[i] = p->chset.port;
97 emu->portptrs[i] = p;
109 snd_emux_detach_seq(struct snd_emux *emu)
111 if (emu->voices)
112 snd_emux_terminate_all(emu);
114 if (emu->client >= 0) {
115 snd_seq_delete_kernel_client(emu->client);
116 emu->client = -1;
126 snd_emux_create_port(struct snd_emux *emu, char *name,
148 p->emu = emu;
149 p->chset.client = emu->client;
164 p->chset.port = snd_seq_event_port_attach(emu->client, callback,
166 emu->max_voices, name);
258 __snd_emux_inc_count(struct snd_emux *emu)
260 emu->used++;
261 if (!try_module_get(emu->ops.owner))
263 if (!try_module_get(emu->card->module)) {
264 module_put(emu->ops.owner);
266 emu->used--;
272 int snd_emux_inc_count(struct snd_emux *emu)
276 mutex_lock(&emu->register_mutex);
277 ret = __snd_emux_inc_count(emu);
278 mutex_unlock(&emu->register_mutex);
286 __snd_emux_dec_count(struct snd_emux *emu)
288 module_put(emu->card->module);
289 emu->used--;
290 if (emu->used <= 0)
291 snd_emux_terminate_all(emu);
292 module_put(emu->ops.owner);
295 void snd_emux_dec_count(struct snd_emux *emu)
297 mutex_lock(&emu->register_mutex);
298 __snd_emux_dec_count(emu);
299 mutex_unlock(&emu->register_mutex);
309 struct snd_emux *emu;
314 emu = p->emu;
315 if (snd_BUG_ON(!emu))
318 mutex_lock(&emu->register_mutex);
320 __snd_emux_inc_count(emu);
321 mutex_unlock(&emu->register_mutex);
332 struct snd_emux *emu;
337 emu = p->emu;
338 if (snd_BUG_ON(!emu))
341 mutex_lock(&emu->register_mutex);
343 __snd_emux_dec_count(emu);
344 mutex_unlock(&emu->register_mutex);
352 int snd_emux_init_virmidi(struct snd_emux *emu, struct snd_card *card)
356 emu->vmidi = NULL;
357 if (emu->midi_ports <= 0)
360 emu->vmidi = kcalloc(emu->midi_ports, sizeof(*emu->vmidi), GFP_KERNEL);
361 if (!emu->vmidi)
364 for (i = 0; i < emu->midi_ports; i++) {
367 if (snd_virmidi_new(card, emu->midi_devidx + i, &rmidi) < 0)
370 sprintf(rmidi->name, "%s Synth MIDI", emu->name);
372 rdev->client = emu->client;
373 rdev->port = emu->ports[i];
378 emu->vmidi[i] = rmidi;
385 snd_emux_delete_virmidi(emu);
389 int snd_emux_delete_virmidi(struct snd_emux *emu)
393 if (!emu->vmidi)
396 for (i = 0; i < emu->midi_ports; i++) {
397 if (emu->vmidi[i])
398 snd_device_free(emu->card, emu->vmidi[i]);
400 kfree(emu->vmidi);
401 emu->vmidi = NULL;