soc/sh/siu_pcm.c

41 	struct siu_stream *siu_stream = &port_info->playback;
44 	if (!siu_stream->rw_flg)
54 	siu_stream->rw_flg = 0;
61 	struct siu_stream *siu_stream = &port_info->playback;
63 	if (siu_stream->rw_flg)
70 	siu_stream->rw_flg = RWF_STM_WT;
73 	queue_work(system_highpri_wq, &siu_stream->work);
80 	struct siu_stream *siu_stream = arg;
82 	if (!siu_stream->rw_flg)
86 	if (++siu_stream->cur_period >=
87 	    GET_MAX_PERIODS(siu_stream->buf_bytes,
88 			    siu_stream->period_bytes))
89 		siu_stream->cur_period = 0;
92 		__func__, siu_stream->cur_period,
93 		siu_stream->cur_period * siu_stream->period_bytes,
94 		siu_stream->buf_bytes, siu_stream->cookie);
96 	queue_work(system_highpri_wq, &siu_stream->work);
99 	snd_pcm_period_elapsed(siu_stream->substream);
107 	struct siu_stream *siu_stream = &port_info->playback;
108 	struct snd_pcm_substream *substream = siu_stream->substream;
121 	desc = dmaengine_prep_slave_sg(siu_stream->chan,
129 	desc->callback_param = siu_stream;
136 	siu_stream->tx_desc = desc;
137 	siu_stream->cookie = cookie;
139 	dma_async_issue_pending(siu_stream->chan);
155 	struct siu_stream *siu_stream = &port_info->capture;
156 	struct snd_pcm_substream *substream = siu_stream->substream;
171 	desc = dmaengine_prep_slave_sg(siu_stream->chan,
179 	desc->callback_param = siu_stream;
186 	siu_stream->tx_desc = desc;
187 	siu_stream->cookie = cookie;
189 	dma_async_issue_pending(siu_stream->chan);
203 	struct siu_stream *siu_stream = container_of(work, struct siu_stream,
205 	struct snd_pcm_substream *substream = siu_stream->substream;
210 	dev_dbg(dev, "%s: flags %x\n", __func__, siu_stream->rw_flg);
212 	if (!siu_stream->rw_flg) {
222 						siu_stream->cur_period,
223 						siu_stream->period_bytes);
224 		count = siu_stream->period_bytes;
231 						siu_stream->cur_period,
232 						siu_stream->period_bytes),
233 			       siu_stream->period_bytes);
240 	struct siu_stream *siu_stream = &port_info->capture;
242 	if (siu_stream->xfer_cnt > 0x1000000)
244 	if (siu_stream->rw_flg)
248 	siu_stream->cur_period = 0;
251 	siu_stream->rw_flg = RWF_STM_RD;
253 	queue_work(system_highpri_wq, &siu_stream->work);
262 	struct siu_stream *siu_stream = &port_info->capture;
263 	struct device *dev = siu_stream->substream->pcm->card->dev;
266 	if (!siu_stream->rw_flg)
276 	siu_stream->rw_flg = 0;
298 	struct siu_stream *siu_stream;
310 		siu_stream = &port_info->playback;
311 		param = &siu_stream->param;
315 		siu_stream = &port_info->capture;
316 		param = &siu_stream->param;
322 	siu_stream->chan = dma_request_channel(mask, filter, param);
323 	if (!siu_stream->chan) {
328 	siu_stream->substream = ss;
339 	struct siu_stream *siu_stream;
344 		siu_stream = &port_info->playback;
346 		siu_stream = &port_info->capture;
348 	dma_release_channel(siu_stream->chan);
349 	siu_stream->chan = NULL;
351 	siu_stream->substream = NULL;
363 	struct siu_stream *siu_stream;
367 		siu_stream = &port_info->playback;
369 		siu_stream = &port_info->capture;
371 	rt = siu_stream->substream->runtime;
373 	siu_stream->buf_bytes = snd_pcm_lib_buffer_bytes(ss);
374 	siu_stream->period_bytes = snd_pcm_lib_period_bytes(ss);
377 		info->port_id, rt->channels, siu_stream->period_bytes);
380 	if (siu_stream->buf_bytes % siu_stream->period_bytes) {
382 		       __func__, siu_stream->buf_bytes,
383 		       siu_stream->period_bytes);
387 	xfer_cnt = bytes_to_frames(rt, siu_stream->period_bytes);
391 	siu_stream->format = rt->format;
392 	siu_stream->xfer_cnt = xfer_cnt;
396 		(unsigned long)rt->dma_addr, siu_stream->buf_bytes,
397 		siu_stream->period_bytes,
398 		siu_stream->format, rt->channels, (int)xfer_cnt);
456 	struct siu_stream *siu_stream;
459 		siu_stream = &port_info->playback;
461 		siu_stream = &port_info->capture;
468 			    siu_stream->cur_period,
469 			    siu_stream->period_bytes) - rt->dma_addr;
474 		siu_read32(base + SIU_SBFSTS), ptr, siu_stream->buf_bytes,
475 		siu_stream->cookie);
477 	if (ptr >= siu_stream->buf_bytes)