42 static int set_rate(struct snd_oxfw *oxfw, unsigned int rate)  in set_rate()  argument
46 	err = avc_general_set_sig_fmt(oxfw->unit, rate,  in set_rate()
51 	if (oxfw->has_output)  in set_rate()
52 		err = avc_general_set_sig_fmt(oxfw->unit, rate,  in set_rate()
58 static int set_stream_format(struct snd_oxfw *oxfw, struct amdtp_stream *s,  in set_stream_format()  argument
67 	if (s == &oxfw->tx_stream) {  in set_stream_format()
68 		formats = oxfw->tx_stream_formats;  in set_stream_format()
71 		formats = oxfw->rx_stream_formats;  in set_stream_format()
88 	if (oxfw->assumed)  in set_stream_format()
89 		return set_rate(oxfw, rate);  in set_stream_format()
94 	err = avc_stream_set_format(oxfw->unit, dir, 0, formats[i], len);  in set_stream_format()
104 static void stop_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)  in stop_stream()  argument
109 	if (stream == &oxfw->tx_stream)  in stop_stream()
110 		cmp_connection_break(&oxfw->out_conn);  in stop_stream()
112 		cmp_connection_break(&oxfw->in_conn);  in stop_stream()
115 static int start_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream,  in start_stream()  argument
124 	if (stream == &oxfw->rx_stream) {  in start_stream()
125 		formats = oxfw->rx_stream_formats;  in start_stream()
126 		conn = &oxfw->in_conn;  in start_stream()
128 		formats = oxfw->tx_stream_formats;  in start_stream()
129 		conn = &oxfw->out_conn;  in start_stream()
175 		stop_stream(oxfw, stream);  in start_stream()
182 static int check_connection_used_by_others(struct snd_oxfw *oxfw,  in check_connection_used_by_others()  argument
189 	if (stream == &oxfw->tx_stream)  in check_connection_used_by_others()
190 		conn = &oxfw->out_conn;  in check_connection_used_by_others()
192 		conn = &oxfw->in_conn;  in check_connection_used_by_others()
196 		dev_err(&oxfw->unit->device,  in check_connection_used_by_others()
206 int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw,  in snd_oxfw_stream_init_simplex()  argument
214 	if (stream == &oxfw->tx_stream) {  in snd_oxfw_stream_init_simplex()
215 		conn = &oxfw->out_conn;  in snd_oxfw_stream_init_simplex()
219 		conn = &oxfw->in_conn;  in snd_oxfw_stream_init_simplex()
224 	err = cmp_connection_init(conn, oxfw->unit, c_dir, 0);  in snd_oxfw_stream_init_simplex()
228 	err = amdtp_stream_init(stream, oxfw->unit, s_dir, CIP_NONBLOCKING);  in snd_oxfw_stream_init_simplex()
236 	if (stream == &oxfw->tx_stream)  in snd_oxfw_stream_init_simplex()
237 		oxfw->tx_stream.flags |= CIP_SKIP_INIT_DBC_CHECK;  in snd_oxfw_stream_init_simplex()
242 int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw,  in snd_oxfw_stream_start_simplex()  argument
252 	if (stream == &oxfw->tx_stream) {  in snd_oxfw_stream_start_simplex()
253 		substreams = oxfw->capture_substreams;  in snd_oxfw_stream_start_simplex()
254 		opposite = &oxfw->rx_stream;  in snd_oxfw_stream_start_simplex()
255 		opposite_substreams = oxfw->playback_substreams;  in snd_oxfw_stream_start_simplex()
258 		substreams = oxfw->playback_substreams;  in snd_oxfw_stream_start_simplex()
259 		opposite_substreams = oxfw->capture_substreams;  in snd_oxfw_stream_start_simplex()
261 		if (oxfw->has_output)  in snd_oxfw_stream_start_simplex()
262 			opposite = &oxfw->rx_stream;  in snd_oxfw_stream_start_simplex()
276 	err = check_connection_used_by_others(oxfw, stream);  in snd_oxfw_stream_start_simplex()
282 		stop_stream(oxfw, stream);  in snd_oxfw_stream_start_simplex()
284 	err = snd_oxfw_stream_get_current_formation(oxfw, dir, &formation);  in snd_oxfw_stream_start_simplex()
294 			err = check_connection_used_by_others(oxfw, opposite);  in snd_oxfw_stream_start_simplex()
297 			stop_stream(oxfw, opposite);  in snd_oxfw_stream_start_simplex()
299 		stop_stream(oxfw, stream);  in snd_oxfw_stream_start_simplex()
301 		err = set_stream_format(oxfw, stream, rate, pcm_channels);  in snd_oxfw_stream_start_simplex()
303 			dev_err(&oxfw->unit->device,  in snd_oxfw_stream_start_simplex()
311 			err = start_stream(oxfw, opposite, rate, 0);  in snd_oxfw_stream_start_simplex()
313 				dev_err(&oxfw->unit->device,  in snd_oxfw_stream_start_simplex()
322 		err = start_stream(oxfw, stream, rate, pcm_channels);  in snd_oxfw_stream_start_simplex()
324 			dev_err(&oxfw->unit->device,  in snd_oxfw_stream_start_simplex()
331 void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw,  in snd_oxfw_stream_stop_simplex()  argument
334 	if (((stream == &oxfw->tx_stream) && (oxfw->capture_substreams > 0)) ||  in snd_oxfw_stream_stop_simplex()
335 	    ((stream == &oxfw->rx_stream) && (oxfw->playback_substreams > 0)))  in snd_oxfw_stream_stop_simplex()
338 	stop_stream(oxfw, stream);  in snd_oxfw_stream_stop_simplex()
345 void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw,  in snd_oxfw_stream_destroy_simplex()  argument
350 	if (stream == &oxfw->tx_stream)  in snd_oxfw_stream_destroy_simplex()
351 		conn = &oxfw->out_conn;  in snd_oxfw_stream_destroy_simplex()
353 		conn = &oxfw->in_conn;  in snd_oxfw_stream_destroy_simplex()
359 void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw,  in snd_oxfw_stream_update_simplex()  argument
364 	if (stream == &oxfw->tx_stream)  in snd_oxfw_stream_update_simplex()
365 		conn = &oxfw->out_conn;  in snd_oxfw_stream_update_simplex()
367 		conn = &oxfw->in_conn;  in snd_oxfw_stream_update_simplex()
370 		stop_stream(oxfw, stream);  in snd_oxfw_stream_update_simplex()
375 int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,  in snd_oxfw_stream_get_current_formation()  argument
388 	err = avc_stream_get_format_single(oxfw->unit, dir, 0, format, &len);  in snd_oxfw_stream_get_current_formation()
485 assume_stream_formats(struct snd_oxfw *oxfw, enum avc_general_plug_dir dir,  in assume_stream_formats()  argument
494 	err = avc_stream_get_format_single(oxfw->unit, dir, pid, buf, len);  in assume_stream_formats()
496 		dev_err(&oxfw->unit->device,  in assume_stream_formats()
521 		err = avc_general_inquiry_sig_fmt(oxfw->unit,  in assume_stream_formats()
538 	oxfw->assumed = true;  in assume_stream_formats()
543 static int fill_stream_formats(struct snd_oxfw *oxfw,  in fill_stream_formats()  argument
557 		formats = oxfw->tx_stream_formats;  in fill_stream_formats()
559 		formats = oxfw->rx_stream_formats;  in fill_stream_formats()
563 	err = avc_stream_get_format_list(oxfw->unit, dir, 0, buf, &len, 0);  in fill_stream_formats()
567 		err = assume_stream_formats(oxfw, dir, pid, buf, &len,  in fill_stream_formats()
571 		dev_err(&oxfw->unit->device,  in fill_stream_formats()
600 		err = avc_stream_get_format_list(oxfw->unit, dir, 0,  in fill_stream_formats()
607 			dev_err(&oxfw->unit->device,  in fill_stream_formats()
620 int snd_oxfw_stream_discover(struct snd_oxfw *oxfw)  in snd_oxfw_stream_discover()  argument
626 	err = avc_general_get_plug_info(oxfw->unit, 0x1f, 0x07, 0x00, plugs);  in snd_oxfw_stream_discover()
628 		dev_err(&oxfw->unit->device,  in snd_oxfw_stream_discover()
639 		err = fill_stream_formats(oxfw, AVC_GENERAL_PLUG_DIR_OUT, 0);  in snd_oxfw_stream_discover()
642 		oxfw->has_output = true;  in snd_oxfw_stream_discover()
647 		err = fill_stream_formats(oxfw, AVC_GENERAL_PLUG_DIR_IN, 0);  in snd_oxfw_stream_discover()
652 void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw)  in snd_oxfw_stream_lock_changed()  argument
654 	oxfw->dev_lock_changed = true;  in snd_oxfw_stream_lock_changed()
655 	wake_up(&oxfw->hwdep_wait);  in snd_oxfw_stream_lock_changed()
658 int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw)  in snd_oxfw_stream_lock_try()  argument
662 	spin_lock_irq(&oxfw->lock);  in snd_oxfw_stream_lock_try()
665 	if (oxfw->dev_lock_count < 0) {  in snd_oxfw_stream_lock_try()
671 	if (oxfw->dev_lock_count++ == 0)  in snd_oxfw_stream_lock_try()
672 		snd_oxfw_stream_lock_changed(oxfw);  in snd_oxfw_stream_lock_try()
675 	spin_unlock_irq(&oxfw->lock);  in snd_oxfw_stream_lock_try()
679 void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw)  in snd_oxfw_stream_lock_release()  argument
681 	spin_lock_irq(&oxfw->lock);  in snd_oxfw_stream_lock_release()
683 	if (WARN_ON(oxfw->dev_lock_count <= 0))  in snd_oxfw_stream_lock_release()
685 	if (--oxfw->dev_lock_count == 0)  in snd_oxfw_stream_lock_release()
686 		snd_oxfw_stream_lock_changed(oxfw);  in snd_oxfw_stream_lock_release()
688 	spin_unlock_irq(&oxfw->lock);  in snd_oxfw_stream_lock_release()