100 	struct q6apm_dai_rtd *prtd = priv;  in event_handler()  local
101 	struct snd_pcm_substream *substream = prtd->substream;  in event_handler()
105 		prtd->state = Q6APM_STREAM_STOPPED;  in event_handler()
108 		prtd->pos += prtd->pcm_count;  in event_handler()
110 		if (prtd->state == Q6APM_STREAM_RUNNING)  in event_handler()
111 			q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, 0);  in event_handler()
115 		prtd->pos += prtd->pcm_count;  in event_handler()
117 		if (prtd->state == Q6APM_STREAM_RUNNING)  in event_handler()
118 			q6apm_read(prtd->graph);  in event_handler()
130 	struct q6apm_dai_rtd *prtd = runtime->private_data;  in q6apm_dai_prepare()  local
140 	if (!prtd || !prtd->graph) {  in q6apm_dai_prepare()
148 	cfg.bit_width = prtd->bits_per_sample;  in q6apm_dai_prepare()
150 	if (prtd->state) {  in q6apm_dai_prepare()
152 		q6apm_graph_stop(prtd->graph);  in q6apm_dai_prepare()
153 		q6apm_unmap_memory_regions(prtd->graph, substream->stream);  in q6apm_dai_prepare()
156 	prtd->pcm_count = snd_pcm_lib_period_bytes(substream);  in q6apm_dai_prepare()
157 	prtd->pos = 0;  in q6apm_dai_prepare()
159 	ret = q6apm_graph_media_format_shmem(prtd->graph, &cfg);  in q6apm_dai_prepare()
165 	ret = q6apm_graph_media_format_pcm(prtd->graph, &cfg);  in q6apm_dai_prepare()
169 	ret = q6apm_map_memory_regions(prtd->graph, substream->stream, prtd->phys,  in q6apm_dai_prepare()
170 				       (prtd->pcm_size / prtd->periods), prtd->periods);  in q6apm_dai_prepare()
177 	ret = q6apm_graph_prepare(prtd->graph);  in q6apm_dai_prepare()
183 	ret = q6apm_graph_start(prtd->graph);  in q6apm_dai_prepare()
193 			q6apm_read(prtd->graph);  in q6apm_dai_prepare()
198 	prtd->state = Q6APM_STREAM_RUNNING;  in q6apm_dai_prepare()
207 	struct q6apm_dai_rtd *prtd = runtime->private_data;  in q6apm_dai_trigger()  local
216 			ret = q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, 0);  in q6apm_dai_trigger()
220 		prtd->state = Q6APM_STREAM_STOPPED;  in q6apm_dai_trigger()
241 	struct q6apm_dai_rtd *prtd;  in q6apm_dai_open()  local
252 	prtd = kzalloc(sizeof(*prtd), GFP_KERNEL);  in q6apm_dai_open()
253 	if (prtd == NULL)  in q6apm_dai_open()
256 	prtd->substream = substream;  in q6apm_dai_open()
257 	prtd->graph = q6apm_graph_open(dev, (q6apm_cb)event_handler, prtd, graph_id);  in q6apm_dai_open()
258 	if (IS_ERR(prtd->graph)) {  in q6apm_dai_open()
260 		ret = PTR_ERR(prtd->graph);  in q6apm_dai_open()
297 	runtime->private_data = prtd;  in q6apm_dai_open()
300 		prtd->phys = substream->dma_buffer.addr;  in q6apm_dai_open()
302 		prtd->phys = substream->dma_buffer.addr | (pdata->sid << 32);  in q6apm_dai_open()
306 	kfree(prtd);  in q6apm_dai_open()
315 	struct q6apm_dai_rtd *prtd = runtime->private_data;  in q6apm_dai_close()  local
317 	if (prtd->state) { /* only stop graph that is started */  in q6apm_dai_close()
318 		q6apm_graph_stop(prtd->graph);  in q6apm_dai_close()
319 		q6apm_unmap_memory_regions(prtd->graph, substream->stream);  in q6apm_dai_close()
322 	q6apm_graph_close(prtd->graph);  in q6apm_dai_close()
323 	prtd->graph = NULL;  in q6apm_dai_close()
324 	kfree(prtd);  in q6apm_dai_close()
334 	struct q6apm_dai_rtd *prtd = runtime->private_data;  in q6apm_dai_pointer()  local
336 	if (prtd->pos == prtd->pcm_size)  in q6apm_dai_pointer()
337 		prtd->pos = 0;  in q6apm_dai_pointer()
339 	return bytes_to_frames(runtime, prtd->pos);  in q6apm_dai_pointer()
347 	struct q6apm_dai_rtd *prtd = runtime->private_data;  in q6apm_dai_hw_params()  local
349 	prtd->pcm_size = params_buffer_bytes(params);  in q6apm_dai_hw_params()
350 	prtd->periods = params_periods(params);  in q6apm_dai_hw_params()
354 		prtd->bits_per_sample = 16;  in q6apm_dai_hw_params()
357 		prtd->bits_per_sample = 24;  in q6apm_dai_hw_params()