10 // PCM Layer, interface between ALSA and IPC.
42  * sof pcm period elapse work
59  * sof pcm period elapse, this could be called at irq thread context.
78 	 * when the PCM is done draining or xrun happened, a STOP IPC will  in snd_sof_pcm_period_elapsed()
111 			dev_err(sdev->dev, "error: failed widget list set up for pcm %d dir %d\n",  in sof_pcm_setup_connected_widgets()
112 				spcm->pcm.pcm_id, dir);  in sof_pcm_setup_connected_widgets()
129 	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;  in sof_pcm_hw_params()
154 	dev_dbg(component->dev, "pcm: hw params stream %d dir %d\n",  in sof_pcm_hw_params()
155 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_hw_params()
188 	/* save pcm hw_params */  in sof_pcm_hw_params()
199 	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;  in sof_pcm_hw_free()
211 	dev_dbg(component->dev, "pcm: free stream %d dir %d\n",  in sof_pcm_hw_free()
212 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_hw_free()
214 	/* free PCM in the DSP */  in sof_pcm_hw_free()
258 	dev_dbg(component->dev, "pcm: prepare stream %d dir %d\n",  in sof_pcm_prepare()
259 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_prepare()
266 			"error: set pcm hw_params after resume\n");  in sof_pcm_prepare()
282 	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;  in sof_pcm_trigger()
297 	dev_dbg(component->dev, "pcm: trigger stream %d dir %d cmd %d\n",  in sof_pcm_trigger()
298 		spcm->pcm.pcm_id, substream->stream, cmd);  in sof_pcm_trigger()
354 	/* free PCM if reset_hw_params is set and the STOP IPC is successful */  in sof_pcm_trigger()
412 	dev_dbg(component->dev, "pcm: open stream %d dir %d\n",  in sof_pcm_open()
413 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_open()
416 	caps = &spcm->pcm.caps[substream->stream];  in sof_pcm_open()
453 		dev_err(component->dev, "error: pcm open failed %d\n", ret);  in sof_pcm_open()
474 	dev_dbg(component->dev, "pcm: close stream %d dir %d\n",  in sof_pcm_close()
475 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_close()
479 		dev_err(component->dev, "error: pcm close failed %d\n",  in sof_pcm_close()
500 	struct snd_pcm *pcm = rtd->pcm;  in sof_pcm_new()  local
504 	/* find SOF PCM for this RTD */  in sof_pcm_new()
507 		dev_warn(component->dev, "warn: can't find PCM with DAI ID %d\n",  in sof_pcm_new()
512 	dev_dbg(component->dev, "creating new PCM %s\n", spcm->pcm.pcm_name);  in sof_pcm_new()
515 	if (!spcm->pcm.playback)  in sof_pcm_new()
518 	caps = &spcm->pcm.caps[stream];  in sof_pcm_new()
525 	if (!pcm->streams[stream].substream) {  in sof_pcm_new()
530 	snd_pcm_set_managed_buffer(pcm->streams[stream].substream,  in sof_pcm_new()
537 	if (!spcm->pcm.capture)  in sof_pcm_new()
540 	caps = &spcm->pcm.caps[stream];  in sof_pcm_new()
547 	if (!pcm->streams[stream].substream) {  in sof_pcm_new()
552 	snd_pcm_set_managed_buffer(pcm->streams[stream].substream,  in sof_pcm_new()
572 	const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;  in sof_pcm_dai_link_fixup()
688 	 /* increment module refcount when a pcm is opened */  in snd_sof_new_platform_drv()