30 int snd_dg00x_stream_get_local_rate(struct snd_dg00x *dg00x, unsigned int *rate)  in snd_dg00x_stream_get_local_rate()  argument
36 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_local_rate()
51 int snd_dg00x_stream_set_local_rate(struct snd_dg00x *dg00x, unsigned int rate)  in snd_dg00x_stream_set_local_rate()  argument
64 	return snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST,  in snd_dg00x_stream_set_local_rate()
69 int snd_dg00x_stream_get_clock(struct snd_dg00x *dg00x,  in snd_dg00x_stream_get_clock()  argument
75 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_clock()
88 int snd_dg00x_stream_check_external_clock(struct snd_dg00x *dg00x, bool *detect)  in snd_dg00x_stream_check_external_clock()  argument
93 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_check_external_clock()
102 int snd_dg00x_stream_get_external_rate(struct snd_dg00x *dg00x,  in snd_dg00x_stream_get_external_rate()  argument
109 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_external_rate()
125 static void finish_session(struct snd_dg00x *dg00x)  in finish_session()  argument
130 	snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST,  in finish_session()
136 	snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST,  in finish_session()
145 static int begin_session(struct snd_dg00x *dg00x)  in begin_session()  argument
152 	data = cpu_to_be32((dg00x->tx_resources.channel << 16) |  in begin_session()
153 			   dg00x->rx_resources.channel);  in begin_session()
154 	err = snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
160 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in begin_session()
173 		err = snd_fw_transaction(dg00x->unit,  in begin_session()
188 static int keep_resources(struct snd_dg00x *dg00x, struct amdtp_stream *stream,  in keep_resources()  argument
203 	if (stream == &dg00x->tx_stream)  in keep_resources()
204 		resources = &dg00x->tx_resources;  in keep_resources()
206 		resources = &dg00x->rx_resources;  in keep_resources()
215 				fw_parent_device(dg00x->unit)->max_speed);  in keep_resources()
218 static int init_stream(struct snd_dg00x *dg00x, struct amdtp_stream *s)  in init_stream()  argument
224 	if (s == &dg00x->tx_stream) {  in init_stream()
225 		resources = &dg00x->tx_resources;  in init_stream()
228 		resources = &dg00x->rx_resources;  in init_stream()
232 	err = fw_iso_resources_init(resources, dg00x->unit);  in init_stream()
236 	err = amdtp_dot_init(s, dg00x->unit, dir);  in init_stream()
243 static void destroy_stream(struct snd_dg00x *dg00x, struct amdtp_stream *s)  in destroy_stream()  argument
247 	if (s == &dg00x->tx_stream)  in destroy_stream()
248 		fw_iso_resources_destroy(&dg00x->tx_resources);  in destroy_stream()
250 		fw_iso_resources_destroy(&dg00x->rx_resources);  in destroy_stream()
253 int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_init_duplex()  argument
257 	err = init_stream(dg00x, &dg00x->rx_stream);  in snd_dg00x_stream_init_duplex()
261 	err = init_stream(dg00x, &dg00x->tx_stream);  in snd_dg00x_stream_init_duplex()
263 		destroy_stream(dg00x, &dg00x->rx_stream);  in snd_dg00x_stream_init_duplex()
267 	err = amdtp_domain_init(&dg00x->domain);  in snd_dg00x_stream_init_duplex()
269 		destroy_stream(dg00x, &dg00x->rx_stream);  in snd_dg00x_stream_init_duplex()
270 		destroy_stream(dg00x, &dg00x->tx_stream);  in snd_dg00x_stream_init_duplex()
280 void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_destroy_duplex()  argument
282 	amdtp_domain_destroy(&dg00x->domain);  in snd_dg00x_stream_destroy_duplex()
284 	destroy_stream(dg00x, &dg00x->rx_stream);  in snd_dg00x_stream_destroy_duplex()
285 	destroy_stream(dg00x, &dg00x->tx_stream);  in snd_dg00x_stream_destroy_duplex()
288 int snd_dg00x_stream_reserve_duplex(struct snd_dg00x *dg00x, unsigned int rate,  in snd_dg00x_stream_reserve_duplex()  argument
295 	err = snd_dg00x_stream_get_local_rate(dg00x, &curr_rate);  in snd_dg00x_stream_reserve_duplex()
301 	if (dg00x->substreams_counter == 0 || curr_rate != rate) {  in snd_dg00x_stream_reserve_duplex()
302 		amdtp_domain_stop(&dg00x->domain);  in snd_dg00x_stream_reserve_duplex()
304 		finish_session(dg00x);  in snd_dg00x_stream_reserve_duplex()
306 		fw_iso_resources_free(&dg00x->tx_resources);  in snd_dg00x_stream_reserve_duplex()
307 		fw_iso_resources_free(&dg00x->rx_resources);  in snd_dg00x_stream_reserve_duplex()
309 		err = snd_dg00x_stream_set_local_rate(dg00x, rate);  in snd_dg00x_stream_reserve_duplex()
313 		err = keep_resources(dg00x, &dg00x->rx_stream, rate);  in snd_dg00x_stream_reserve_duplex()
317 		err = keep_resources(dg00x, &dg00x->tx_stream, rate);  in snd_dg00x_stream_reserve_duplex()
319 			fw_iso_resources_free(&dg00x->rx_resources);  in snd_dg00x_stream_reserve_duplex()
323 		err = amdtp_domain_set_events_per_period(&dg00x->domain,  in snd_dg00x_stream_reserve_duplex()
326 			fw_iso_resources_free(&dg00x->rx_resources);  in snd_dg00x_stream_reserve_duplex()
327 			fw_iso_resources_free(&dg00x->tx_resources);  in snd_dg00x_stream_reserve_duplex()
335 int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_start_duplex()  argument
337 	unsigned int generation = dg00x->rx_resources.generation;  in snd_dg00x_stream_start_duplex()
340 	if (dg00x->substreams_counter == 0)  in snd_dg00x_stream_start_duplex()
343 	if (amdtp_streaming_error(&dg00x->tx_stream) ||  in snd_dg00x_stream_start_duplex()
344 	    amdtp_streaming_error(&dg00x->rx_stream)) {  in snd_dg00x_stream_start_duplex()
345 		amdtp_domain_stop(&dg00x->domain);  in snd_dg00x_stream_start_duplex()
346 		finish_session(dg00x);  in snd_dg00x_stream_start_duplex()
349 	if (generation != fw_parent_device(dg00x->unit)->card->generation) {  in snd_dg00x_stream_start_duplex()
350 		err = fw_iso_resources_update(&dg00x->tx_resources);  in snd_dg00x_stream_start_duplex()
354 		err = fw_iso_resources_update(&dg00x->rx_resources);  in snd_dg00x_stream_start_duplex()
363 	if (!amdtp_stream_running(&dg00x->rx_stream)) {  in snd_dg00x_stream_start_duplex()
364 		int spd = fw_parent_device(dg00x->unit)->max_speed;  in snd_dg00x_stream_start_duplex()
366 		err = begin_session(dg00x);  in snd_dg00x_stream_start_duplex()
370 		err = amdtp_domain_add_stream(&dg00x->domain, &dg00x->rx_stream,  in snd_dg00x_stream_start_duplex()
371 					      dg00x->rx_resources.channel, spd);  in snd_dg00x_stream_start_duplex()
375 		err = amdtp_domain_add_stream(&dg00x->domain, &dg00x->tx_stream,  in snd_dg00x_stream_start_duplex()
376 					      dg00x->tx_resources.channel, spd);  in snd_dg00x_stream_start_duplex()
384 		err = amdtp_domain_start(&dg00x->domain, 0, true, true);  in snd_dg00x_stream_start_duplex()
388 		if (!amdtp_domain_wait_ready(&dg00x->domain, READY_TIMEOUT_MS)) {  in snd_dg00x_stream_start_duplex()
396 	amdtp_domain_stop(&dg00x->domain);  in snd_dg00x_stream_start_duplex()
397 	finish_session(dg00x);  in snd_dg00x_stream_start_duplex()
402 void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_stop_duplex()  argument
404 	if (dg00x->substreams_counter == 0) {  in snd_dg00x_stream_stop_duplex()
405 		amdtp_domain_stop(&dg00x->domain);  in snd_dg00x_stream_stop_duplex()
406 		finish_session(dg00x);  in snd_dg00x_stream_stop_duplex()
408 		fw_iso_resources_free(&dg00x->tx_resources);  in snd_dg00x_stream_stop_duplex()
409 		fw_iso_resources_free(&dg00x->rx_resources);  in snd_dg00x_stream_stop_duplex()
413 void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_update_duplex()  argument
415 	fw_iso_resources_update(&dg00x->tx_resources);  in snd_dg00x_stream_update_duplex()
416 	fw_iso_resources_update(&dg00x->rx_resources);  in snd_dg00x_stream_update_duplex()
418 	amdtp_stream_update(&dg00x->tx_stream);  in snd_dg00x_stream_update_duplex()
419 	amdtp_stream_update(&dg00x->rx_stream);  in snd_dg00x_stream_update_duplex()
422 void snd_dg00x_stream_lock_changed(struct snd_dg00x *dg00x)  in snd_dg00x_stream_lock_changed()  argument
424 	dg00x->dev_lock_changed = true;  in snd_dg00x_stream_lock_changed()
425 	wake_up(&dg00x->hwdep_wait);  in snd_dg00x_stream_lock_changed()
428 int snd_dg00x_stream_lock_try(struct snd_dg00x *dg00x)  in snd_dg00x_stream_lock_try()  argument
432 	spin_lock_irq(&dg00x->lock);  in snd_dg00x_stream_lock_try()
435 	if (dg00x->dev_lock_count < 0) {  in snd_dg00x_stream_lock_try()
441 	if (dg00x->dev_lock_count++ == 0)  in snd_dg00x_stream_lock_try()
442 		snd_dg00x_stream_lock_changed(dg00x);  in snd_dg00x_stream_lock_try()
445 	spin_unlock_irq(&dg00x->lock);  in snd_dg00x_stream_lock_try()
449 void snd_dg00x_stream_lock_release(struct snd_dg00x *dg00x)  in snd_dg00x_stream_lock_release()  argument
451 	spin_lock_irq(&dg00x->lock);  in snd_dg00x_stream_lock_release()
453 	if (WARN_ON(dg00x->dev_lock_count <= 0))  in snd_dg00x_stream_lock_release()
455 	if (--dg00x->dev_lock_count == 0)  in snd_dg00x_stream_lock_release()
456 		snd_dg00x_stream_lock_changed(dg00x);  in snd_dg00x_stream_lock_release()
458 	spin_unlock_irq(&dg00x->lock);  in snd_dg00x_stream_lock_release()