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