31 int snd_dg00x_stream_get_local_rate(struct snd_dg00x *dg00x, unsigned int *rate)  in snd_dg00x_stream_get_local_rate()  argument
37 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_local_rate()
52 int snd_dg00x_stream_set_local_rate(struct snd_dg00x *dg00x, unsigned int rate)  in snd_dg00x_stream_set_local_rate()  argument
65 	return snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST,  in snd_dg00x_stream_set_local_rate()
70 int snd_dg00x_stream_get_clock(struct snd_dg00x *dg00x,  in snd_dg00x_stream_get_clock()  argument
76 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_clock()
89 int snd_dg00x_stream_check_external_clock(struct snd_dg00x *dg00x, bool *detect)  in snd_dg00x_stream_check_external_clock()  argument
94 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_check_external_clock()
103 int snd_dg00x_stream_get_external_rate(struct snd_dg00x *dg00x,  in snd_dg00x_stream_get_external_rate()  argument
110 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_external_rate()
126 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()
135 static int begin_session(struct snd_dg00x *dg00x)  in begin_session()  argument
141 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in begin_session()
154 		err = snd_fw_transaction(dg00x->unit,  in begin_session()
168 	finish_session(dg00x);  in begin_session()
172 static void release_resources(struct snd_dg00x *dg00x)  in release_resources()  argument
177 	snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST,  in release_resources()
182 	fw_iso_resources_free(&dg00x->tx_resources);  in release_resources()
183 	fw_iso_resources_free(&dg00x->rx_resources);  in release_resources()
186 static int keep_resources(struct snd_dg00x *dg00x, unsigned int rate)  in keep_resources()  argument
201 	err = amdtp_dot_set_parameters(&dg00x->rx_stream, rate,  in keep_resources()
205 	err = fw_iso_resources_allocate(&dg00x->rx_resources,  in keep_resources()
206 				amdtp_stream_get_max_payload(&dg00x->rx_stream),  in keep_resources()
207 				fw_parent_device(dg00x->unit)->max_speed);  in keep_resources()
212 	err = amdtp_dot_set_parameters(&dg00x->tx_stream, rate,  in keep_resources()
216 	err = fw_iso_resources_allocate(&dg00x->tx_resources,  in keep_resources()
217 				amdtp_stream_get_max_payload(&dg00x->tx_stream),  in keep_resources()
218 				fw_parent_device(dg00x->unit)->max_speed);  in keep_resources()
223 	data = cpu_to_be32((dg00x->tx_resources.channel << 16) |  in keep_resources()
224 			   dg00x->rx_resources.channel);  in keep_resources()
225 	err = snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST,  in keep_resources()
233 	release_resources(dg00x);  in keep_resources()
237 int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_init_duplex()  argument
242 	err = fw_iso_resources_init(&dg00x->rx_resources, dg00x->unit);  in snd_dg00x_stream_init_duplex()
245 	err = amdtp_dot_init(&dg00x->rx_stream, dg00x->unit, AMDTP_OUT_STREAM);  in snd_dg00x_stream_init_duplex()
250 	err = fw_iso_resources_init(&dg00x->tx_resources, dg00x->unit);  in snd_dg00x_stream_init_duplex()
253 	err = amdtp_dot_init(&dg00x->tx_stream, dg00x->unit, AMDTP_IN_STREAM);  in snd_dg00x_stream_init_duplex()
259 	snd_dg00x_stream_destroy_duplex(dg00x);  in snd_dg00x_stream_init_duplex()
267 void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_destroy_duplex()  argument
269 	amdtp_stream_destroy(&dg00x->rx_stream);  in snd_dg00x_stream_destroy_duplex()
270 	fw_iso_resources_destroy(&dg00x->rx_resources);  in snd_dg00x_stream_destroy_duplex()
272 	amdtp_stream_destroy(&dg00x->tx_stream);  in snd_dg00x_stream_destroy_duplex()
273 	fw_iso_resources_destroy(&dg00x->tx_resources);  in snd_dg00x_stream_destroy_duplex()
276 int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x, unsigned int rate)  in snd_dg00x_stream_start_duplex()  argument
281 	if (dg00x->substreams_counter == 0)  in snd_dg00x_stream_start_duplex()
285 	err = snd_dg00x_stream_get_local_rate(dg00x, &curr_rate);  in snd_dg00x_stream_start_duplex()
291 	    amdtp_streaming_error(&dg00x->tx_stream) ||  in snd_dg00x_stream_start_duplex()
292 	    amdtp_streaming_error(&dg00x->rx_stream)) {  in snd_dg00x_stream_start_duplex()
293 		finish_session(dg00x);  in snd_dg00x_stream_start_duplex()
295 		amdtp_stream_stop(&dg00x->tx_stream);  in snd_dg00x_stream_start_duplex()
296 		amdtp_stream_stop(&dg00x->rx_stream);  in snd_dg00x_stream_start_duplex()
297 		release_resources(dg00x);  in snd_dg00x_stream_start_duplex()
304 	if (!amdtp_stream_running(&dg00x->rx_stream)) {  in snd_dg00x_stream_start_duplex()
305 		err = snd_dg00x_stream_set_local_rate(dg00x, rate);  in snd_dg00x_stream_start_duplex()
309 		err = keep_resources(dg00x, rate);  in snd_dg00x_stream_start_duplex()
313 		err = begin_session(dg00x);  in snd_dg00x_stream_start_duplex()
317 		err = amdtp_stream_start(&dg00x->rx_stream,  in snd_dg00x_stream_start_duplex()
318 				dg00x->rx_resources.channel,  in snd_dg00x_stream_start_duplex()
319 				fw_parent_device(dg00x->unit)->max_speed);  in snd_dg00x_stream_start_duplex()
323 		if (!amdtp_stream_wait_callback(&dg00x->rx_stream,  in snd_dg00x_stream_start_duplex()
334 	if (!amdtp_stream_running(&dg00x->tx_stream)) {  in snd_dg00x_stream_start_duplex()
335 		err = amdtp_stream_start(&dg00x->tx_stream,  in snd_dg00x_stream_start_duplex()
336 				dg00x->tx_resources.channel,  in snd_dg00x_stream_start_duplex()
337 				fw_parent_device(dg00x->unit)->max_speed);  in snd_dg00x_stream_start_duplex()
341 		if (!amdtp_stream_wait_callback(&dg00x->tx_stream,  in snd_dg00x_stream_start_duplex()
350 	finish_session(dg00x);  in snd_dg00x_stream_start_duplex()
352 	amdtp_stream_stop(&dg00x->tx_stream);  in snd_dg00x_stream_start_duplex()
353 	amdtp_stream_stop(&dg00x->rx_stream);  in snd_dg00x_stream_start_duplex()
354 	release_resources(dg00x);  in snd_dg00x_stream_start_duplex()
359 void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_stop_duplex()  argument
361 	if (dg00x->substreams_counter > 0)  in snd_dg00x_stream_stop_duplex()
364 	amdtp_stream_stop(&dg00x->tx_stream);  in snd_dg00x_stream_stop_duplex()
365 	amdtp_stream_stop(&dg00x->rx_stream);  in snd_dg00x_stream_stop_duplex()
366 	finish_session(dg00x);  in snd_dg00x_stream_stop_duplex()
367 	release_resources(dg00x);  in snd_dg00x_stream_stop_duplex()
376 void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x)  in snd_dg00x_stream_update_duplex()  argument
378 	fw_iso_resources_update(&dg00x->tx_resources);  in snd_dg00x_stream_update_duplex()
379 	fw_iso_resources_update(&dg00x->rx_resources);  in snd_dg00x_stream_update_duplex()
381 	amdtp_stream_update(&dg00x->tx_stream);  in snd_dg00x_stream_update_duplex()
382 	amdtp_stream_update(&dg00x->rx_stream);  in snd_dg00x_stream_update_duplex()
385 void snd_dg00x_stream_lock_changed(struct snd_dg00x *dg00x)  in snd_dg00x_stream_lock_changed()  argument
387 	dg00x->dev_lock_changed = true;  in snd_dg00x_stream_lock_changed()
388 	wake_up(&dg00x->hwdep_wait);  in snd_dg00x_stream_lock_changed()
391 int snd_dg00x_stream_lock_try(struct snd_dg00x *dg00x)  in snd_dg00x_stream_lock_try()  argument
395 	spin_lock_irq(&dg00x->lock);  in snd_dg00x_stream_lock_try()
398 	if (dg00x->dev_lock_count < 0) {  in snd_dg00x_stream_lock_try()
404 	if (dg00x->dev_lock_count++ == 0)  in snd_dg00x_stream_lock_try()
405 		snd_dg00x_stream_lock_changed(dg00x);  in snd_dg00x_stream_lock_try()
408 	spin_unlock_irq(&dg00x->lock);  in snd_dg00x_stream_lock_try()
412 void snd_dg00x_stream_lock_release(struct snd_dg00x *dg00x)  in snd_dg00x_stream_lock_release()  argument
414 	spin_lock_irq(&dg00x->lock);  in snd_dg00x_stream_lock_release()
416 	if (WARN_ON(dg00x->dev_lock_count <= 0))  in snd_dg00x_stream_lock_release()
418 	if (--dg00x->dev_lock_count == 0)  in snd_dg00x_stream_lock_release()
419 		snd_dg00x_stream_lock_changed(dg00x);  in snd_dg00x_stream_lock_release()
421 	spin_unlock_irq(&dg00x->lock);  in snd_dg00x_stream_lock_release()