firewire/tascam/tascam-stream.c

20 	int err;
23 		err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
26 		if (err < 0)
27 			return err;
49 	int err;
51 	err = get_clock(tscm, &data);
52 	if (err < 0)
53 		return err;
81 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
84 	if (err < 0)
85 		return err;
100 	int err;
102 	err = get_clock(tscm, &data);
103 	if (err < 0)
104 		return err;
122 	return err;
128 	int err;
130 	err = get_clock(tscm, &data);
131 	if (err < 0)
132 		return err;
146 	int err;
157 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
160 	if (err < 0)
161 		return err;
180 	int err;
184 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
187 	if (err < 0)
188 		return err;
225 	int err;
229 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
232 	if (err < 0)
233 		return err;
237 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
240 	if (err < 0)
241 		return err;
245 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
248 	if (err < 0)
249 		return err;
252 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
255 	if (err < 0)
256 		return err;
259 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
262 	if (err < 0)
263 		return err;
267 	err = snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
270 	if (err < 0)
271 		return err;
285 	int err;
292 	err = amdtp_tscm_set_parameters(stream, rate);
293 	if (err < 0)
294 		return err;
306 	int err;
323 	err = fw_iso_resources_init(resources, tscm->unit);
324 	if (err < 0)
325 		return err;
327 	err = amdtp_tscm_init(s, tscm->unit, dir, pcm_channels);
328 	if (err < 0)
331 	return err;
346 	int err;
348 	err = init_stream(tscm, &tscm->tx_stream);
349 	if (err < 0)
350 		return err;
352 	err = init_stream(tscm, &tscm->rx_stream);
353 	if (err < 0) {
355 		return err;
358 	err = amdtp_domain_init(&tscm->domain);
359 	if (err < 0) {
364 	return err;
391 	int err;
393 	err = snd_tscm_stream_get_rate(tscm, &curr_rate);
394 	if (err < 0)
395 		return err;
405 		err = set_clock(tscm, rate, INT_MAX);
406 		if (err < 0)
407 			return err;
409 		err = keep_resources(tscm, rate, &tscm->tx_stream);
410 		if (err < 0)
411 			return err;
413 		err = keep_resources(tscm, rate, &tscm->rx_stream);
414 		if (err < 0) {
416 			return err;
419 		err = amdtp_domain_set_events_per_period(&tscm->domain,
421 		if (err < 0) {
424 			return err;
436 	int err;
448 		err = fw_iso_resources_update(&tscm->tx_resources);
449 		if (err < 0)
452 		err = fw_iso_resources_update(&tscm->rx_resources);
453 		if (err < 0)
461 		err = set_stream_formats(tscm, rate);
462 		if (err < 0)
465 		err = begin_session(tscm);
466 		if (err < 0)
469 		err = amdtp_domain_add_stream(&tscm->domain, &tscm->rx_stream,
471 		if (err < 0)
474 		err = amdtp_domain_add_stream(&tscm->domain, &tscm->tx_stream,
476 		if (err < 0)
491 		err = amdtp_domain_start(&tscm->domain, tx_init_skip_cycles, true, true);
492 		if (err < 0)
496 			err = -ETIMEDOUT;
506 	return err;
530 	int err;
536 		err = -EBUSY;
543 	err = 0;
546 	return err;