13 init_stream(struct snd_efw *efw, struct amdtp_stream *stream)  in init_stream()  argument
20 	if (stream == &efw->tx_stream) {  in init_stream()
21 		conn = &efw->out_conn;  in init_stream()
25 		conn = &efw->in_conn;  in init_stream()
30 	err = cmp_connection_init(conn, efw->unit, c_dir, 0);  in init_stream()
34 	err = amdtp_am824_init(stream, efw->unit, s_dir, CIP_BLOCKING);  in init_stream()
44 stop_stream(struct snd_efw *efw, struct amdtp_stream *stream)  in stop_stream()  argument
49 	if (stream == &efw->tx_stream)  in stop_stream()
50 		cmp_connection_break(&efw->out_conn);  in stop_stream()
52 		cmp_connection_break(&efw->in_conn);  in stop_stream()
56 start_stream(struct snd_efw *efw, struct amdtp_stream *stream,  in start_stream()  argument
66 	if (stream == &efw->tx_stream) {  in start_stream()
67 		conn = &efw->out_conn;  in start_stream()
68 		pcm_channels = efw->pcm_capture_channels[mode];  in start_stream()
69 		midi_ports = efw->midi_out_ports;  in start_stream()
71 		conn = &efw->in_conn;  in start_stream()
72 		pcm_channels = efw->pcm_playback_channels[mode];  in start_stream()
73 		midi_ports = efw->midi_in_ports;  in start_stream()
92 		stop_stream(efw, stream);  in start_stream()
98 		stop_stream(efw, stream);  in start_stream()
110 destroy_stream(struct snd_efw *efw, struct amdtp_stream *stream)  in destroy_stream()  argument
114 	if (stream == &efw->tx_stream)  in destroy_stream()
115 		conn = &efw->out_conn;  in destroy_stream()
117 		conn = &efw->in_conn;  in destroy_stream()
120 	cmp_connection_destroy(&efw->out_conn);  in destroy_stream()
124 get_sync_mode(struct snd_efw *efw, enum cip_flags *sync_mode)  in get_sync_mode()  argument
129 	err = snd_efw_command_get_clock_source(efw, &clock_source);  in get_sync_mode()
141 check_connection_used_by_others(struct snd_efw *efw, struct amdtp_stream *s)  in check_connection_used_by_others()  argument
147 	if (s == &efw->tx_stream)  in check_connection_used_by_others()
148 		conn = &efw->out_conn;  in check_connection_used_by_others()
150 		conn = &efw->in_conn;  in check_connection_used_by_others()
154 		dev_err(&efw->unit->device,  in check_connection_used_by_others()
164 int snd_efw_stream_init_duplex(struct snd_efw *efw)  in snd_efw_stream_init_duplex()  argument
168 	err = init_stream(efw, &efw->tx_stream);  in snd_efw_stream_init_duplex()
172 	efw->tx_stream.flags |= CIP_EMPTY_WITH_TAG0;  in snd_efw_stream_init_duplex()
174 	efw->tx_stream.flags |= CIP_DBC_IS_END_EVENT;  in snd_efw_stream_init_duplex()
176 	efw->tx_stream.flags |= CIP_SKIP_DBC_ZERO_CHECK;  in snd_efw_stream_init_duplex()
181 	if (efw->is_fireworks3 &&  in snd_efw_stream_init_duplex()
182 	    (efw->firmware_version == 0x5070000 ||  in snd_efw_stream_init_duplex()
183 	     efw->firmware_version == 0x5070300 ||  in snd_efw_stream_init_duplex()
184 	     efw->firmware_version == 0x5080000))  in snd_efw_stream_init_duplex()
185 		efw->tx_stream.tx_first_dbc = 0x02;  in snd_efw_stream_init_duplex()
187 	if (efw->is_af9)  in snd_efw_stream_init_duplex()
188 		efw->tx_stream.flags |= CIP_WRONG_DBS;  in snd_efw_stream_init_duplex()
190 	if (efw->firmware_version == 0x5050000)  in snd_efw_stream_init_duplex()
191 		efw->tx_stream.tx_dbc_interval = 8;  in snd_efw_stream_init_duplex()
193 	err = init_stream(efw, &efw->rx_stream);  in snd_efw_stream_init_duplex()
195 		destroy_stream(efw, &efw->tx_stream);  in snd_efw_stream_init_duplex()
200 	err = snd_efw_command_set_tx_mode(efw, SND_EFW_TRANSPORT_MODE_IEC61883);  in snd_efw_stream_init_duplex()
202 		destroy_stream(efw, &efw->tx_stream);  in snd_efw_stream_init_duplex()
203 		destroy_stream(efw, &efw->rx_stream);  in snd_efw_stream_init_duplex()
209 int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate)  in snd_efw_stream_start_duplex()  argument
217 	mutex_lock(&efw->mutex);  in snd_efw_stream_start_duplex()
220 	if ((atomic_read(&efw->playback_substreams) == 0) &&  in snd_efw_stream_start_duplex()
221 	    (atomic_read(&efw->capture_substreams)  == 0))  in snd_efw_stream_start_duplex()
224 	err = get_sync_mode(efw, &sync_mode);  in snd_efw_stream_start_duplex()
228 		master = &efw->tx_stream;  in snd_efw_stream_start_duplex()
229 		slave  = &efw->rx_stream;  in snd_efw_stream_start_duplex()
230 		slave_substreams  = &efw->playback_substreams;  in snd_efw_stream_start_duplex()
232 		master = &efw->rx_stream;  in snd_efw_stream_start_duplex()
233 		slave  = &efw->tx_stream;  in snd_efw_stream_start_duplex()
234 		slave_substreams = &efw->capture_substreams;  in snd_efw_stream_start_duplex()
241 	err = check_connection_used_by_others(efw, master);  in snd_efw_stream_start_duplex()
247 		stop_stream(efw, slave);  in snd_efw_stream_start_duplex()
249 		stop_stream(efw, master);  in snd_efw_stream_start_duplex()
252 	err = snd_efw_command_get_sampling_rate(efw, &curr_rate);  in snd_efw_stream_start_duplex()
258 		stop_stream(efw, slave);  in snd_efw_stream_start_duplex()
259 		stop_stream(efw, master);  in snd_efw_stream_start_duplex()
265 		efw->master = master;  in snd_efw_stream_start_duplex()
267 		err = snd_efw_command_set_sampling_rate(efw, rate);  in snd_efw_stream_start_duplex()
271 		err = start_stream(efw, master, rate);  in snd_efw_stream_start_duplex()
273 			dev_err(&efw->unit->device,  in snd_efw_stream_start_duplex()
281 		err = start_stream(efw, slave, rate);  in snd_efw_stream_start_duplex()
283 			dev_err(&efw->unit->device,  in snd_efw_stream_start_duplex()
285 			stop_stream(efw, master);  in snd_efw_stream_start_duplex()
289 	mutex_unlock(&efw->mutex);  in snd_efw_stream_start_duplex()
293 void snd_efw_stream_stop_duplex(struct snd_efw *efw)  in snd_efw_stream_stop_duplex()  argument
298 	if (efw->master == &efw->rx_stream) {  in snd_efw_stream_stop_duplex()
299 		slave  = &efw->tx_stream;  in snd_efw_stream_stop_duplex()
300 		master = &efw->rx_stream;  in snd_efw_stream_stop_duplex()
301 		slave_substreams  = &efw->capture_substreams;  in snd_efw_stream_stop_duplex()
302 		master_substreams = &efw->playback_substreams;  in snd_efw_stream_stop_duplex()
304 		slave  = &efw->rx_stream;  in snd_efw_stream_stop_duplex()
305 		master = &efw->tx_stream;  in snd_efw_stream_stop_duplex()
306 		slave_substreams  = &efw->playback_substreams;  in snd_efw_stream_stop_duplex()
307 		master_substreams = &efw->capture_substreams;  in snd_efw_stream_stop_duplex()
310 	mutex_lock(&efw->mutex);  in snd_efw_stream_stop_duplex()
313 		stop_stream(efw, slave);  in snd_efw_stream_stop_duplex()
316 			stop_stream(efw, master);  in snd_efw_stream_stop_duplex()
319 	mutex_unlock(&efw->mutex);  in snd_efw_stream_stop_duplex()
322 void snd_efw_stream_update_duplex(struct snd_efw *efw)  in snd_efw_stream_update_duplex()  argument
324 	if ((cmp_connection_update(&efw->out_conn) < 0) ||  in snd_efw_stream_update_duplex()
325 	    (cmp_connection_update(&efw->in_conn) < 0)) {  in snd_efw_stream_update_duplex()
326 		mutex_lock(&efw->mutex);  in snd_efw_stream_update_duplex()
327 		stop_stream(efw, &efw->rx_stream);  in snd_efw_stream_update_duplex()
328 		stop_stream(efw, &efw->tx_stream);  in snd_efw_stream_update_duplex()
329 		mutex_unlock(&efw->mutex);  in snd_efw_stream_update_duplex()
331 		amdtp_stream_update(&efw->rx_stream);  in snd_efw_stream_update_duplex()
332 		amdtp_stream_update(&efw->tx_stream);  in snd_efw_stream_update_duplex()
336 void snd_efw_stream_destroy_duplex(struct snd_efw *efw)  in snd_efw_stream_destroy_duplex()  argument
338 	destroy_stream(efw, &efw->rx_stream);  in snd_efw_stream_destroy_duplex()
339 	destroy_stream(efw, &efw->tx_stream);  in snd_efw_stream_destroy_duplex()
342 void snd_efw_stream_lock_changed(struct snd_efw *efw)  in snd_efw_stream_lock_changed()  argument
344 	efw->dev_lock_changed = true;  in snd_efw_stream_lock_changed()
345 	wake_up(&efw->hwdep_wait);  in snd_efw_stream_lock_changed()
348 int snd_efw_stream_lock_try(struct snd_efw *efw)  in snd_efw_stream_lock_try()  argument
352 	spin_lock_irq(&efw->lock);  in snd_efw_stream_lock_try()
355 	if (efw->dev_lock_count < 0) {  in snd_efw_stream_lock_try()
361 	if (efw->dev_lock_count++ == 0)  in snd_efw_stream_lock_try()
362 		snd_efw_stream_lock_changed(efw);  in snd_efw_stream_lock_try()
365 	spin_unlock_irq(&efw->lock);  in snd_efw_stream_lock_try()
369 void snd_efw_stream_lock_release(struct snd_efw *efw)  in snd_efw_stream_lock_release()  argument
371 	spin_lock_irq(&efw->lock);  in snd_efw_stream_lock_release()
373 	if (WARN_ON(efw->dev_lock_count <= 0))  in snd_efw_stream_lock_release()
375 	if (--efw->dev_lock_count == 0)  in snd_efw_stream_lock_release()
376 		snd_efw_stream_lock_changed(efw);  in snd_efw_stream_lock_release()
378 	spin_unlock_irq(&efw->lock);  in snd_efw_stream_lock_release()