109 static void cobalt_alsa_announce_pcm_data(struct snd_cobalt_card *cobsc,  in cobalt_alsa_announce_pcm_data()  argument
123 	dprintk("cobalt alsa announce ptr=%p data=%p num_bytes=%zd\n", cobsc,  in cobalt_alsa_announce_pcm_data()
126 	substream = cobsc->capture_pcm_substream;  in cobalt_alsa_announce_pcm_data()
155 	oldptr = cobsc->hwptr_done_capture;  in cobalt_alsa_announce_pcm_data()
177 	cobsc->hwptr_done_capture += length;  in cobalt_alsa_announce_pcm_data()
178 	if (cobsc->hwptr_done_capture >=  in cobalt_alsa_announce_pcm_data()
180 		cobsc->hwptr_done_capture -=  in cobalt_alsa_announce_pcm_data()
183 	cobsc->capture_transfer_done += length;  in cobalt_alsa_announce_pcm_data()
184 	if (cobsc->capture_transfer_done >=  in cobalt_alsa_announce_pcm_data()
186 		cobsc->capture_transfer_done -=  in cobalt_alsa_announce_pcm_data()
222 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_capture_open()  local
223 	struct cobalt_stream *s = cobsc->s;  in snd_cobalt_pcm_capture_open()
227 	cobsc->capture_pcm_substream = substream;  in snd_cobalt_pcm_capture_open()
229 	cobsc->alsa_record_cnt++;  in snd_cobalt_pcm_capture_open()
230 	if (cobsc->alsa_record_cnt == 1) {  in snd_cobalt_pcm_capture_open()
235 			cobsc->alsa_record_cnt--;  in snd_cobalt_pcm_capture_open()
244 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_capture_close()  local
245 	struct cobalt_stream *s = cobsc->s;  in snd_cobalt_pcm_capture_close()
247 	cobsc->alsa_record_cnt--;  in snd_cobalt_pcm_capture_close()
248 	if (cobsc->alsa_record_cnt == 0)  in snd_cobalt_pcm_capture_close()
303 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_prepare()  local
305 	cobsc->hwptr_done_capture = 0;  in snd_cobalt_pcm_prepare()
306 	cobsc->capture_transfer_done = 0;  in snd_cobalt_pcm_prepare()
327 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_pointer()  local
329 	hwptr_done = cobsc->hwptr_done_capture;  in snd_cobalt_pcm_pointer()
357 static void cobalt_alsa_pb_pcm_data(struct snd_cobalt_card *cobsc,  in cobalt_alsa_pb_pcm_data()  argument
370 	dprintk("cobalt alsa pb ptr=%p data=%p samples=%zd\n", cobsc,  in cobalt_alsa_pb_pcm_data()
373 	substream = cobsc->playback_pcm_substream;  in cobalt_alsa_pb_pcm_data()
402 	pos = cobsc->pb_pos % cobsc->pb_size;  in cobalt_alsa_pb_pcm_data()
403 	for (i = 0; i < cobsc->pb_count / (8 * 4); i++)  in cobalt_alsa_pb_pcm_data()
409 	cobsc->pb_pos += i * stride;  in cobalt_alsa_pb_pcm_data()
412 	if (cobsc->pb_pos % cobsc->pb_count == 0)  in cobalt_alsa_pb_pcm_data()
430 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_playback_open()  local
432 	struct cobalt_stream *s = cobsc->s;  in snd_cobalt_pcm_playback_open()
436 	cobsc->playback_pcm_substream = substream;  in snd_cobalt_pcm_playback_open()
438 	cobsc->alsa_playback_cnt++;  in snd_cobalt_pcm_playback_open()
439 	if (cobsc->alsa_playback_cnt == 1) {  in snd_cobalt_pcm_playback_open()
444 			cobsc->alsa_playback_cnt--;  in snd_cobalt_pcm_playback_open()
454 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_playback_close()  local
455 	struct cobalt_stream *s = cobsc->s;  in snd_cobalt_pcm_playback_close()
457 	cobsc->alsa_playback_cnt--;  in snd_cobalt_pcm_playback_close()
458 	if (cobsc->alsa_playback_cnt == 0)  in snd_cobalt_pcm_playback_close()
465 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_pb_prepare()  local
467 	cobsc->pb_size = snd_pcm_lib_buffer_bytes(substream);  in snd_cobalt_pcm_pb_prepare()
468 	cobsc->pb_count = snd_pcm_lib_period_bytes(substream);  in snd_cobalt_pcm_pb_prepare()
469 	cobsc->pb_pos = 0;  in snd_cobalt_pcm_pb_prepare()
477 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_pb_trigger()  local
481 		if (cobsc->alsa_pb_channel)  in snd_cobalt_pcm_pb_trigger()
483 		cobsc->alsa_pb_channel = true;  in snd_cobalt_pcm_pb_trigger()
486 		cobsc->alsa_pb_channel = false;  in snd_cobalt_pcm_pb_trigger()
496 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);  in snd_cobalt_pcm_pb_pointer()  local
499 	ptr = cobsc->pb_pos;  in snd_cobalt_pcm_pb_pointer()
537 int snd_cobalt_pcm_create(struct snd_cobalt_card *cobsc)  in snd_cobalt_pcm_create()  argument
540 	struct snd_card *sc = cobsc->sc;  in snd_cobalt_pcm_create()
541 	struct cobalt_stream *s = cobsc->s;  in snd_cobalt_pcm_create()
571 		sp->private_data = cobsc;  in snd_cobalt_pcm_create()
595 		sp->private_data = cobsc;  in snd_cobalt_pcm_create()