10 // PCM Layer, interface between ALSA and IPC.
51 		dev_err(scomp->dev, "error: got wrong reply for PCM %d\n",  in sof_pcm_dsp_params()
52 			spcm->pcm.pcm_id);  in sof_pcm_dsp_params()
58  * sof pcm period elapse work
70  * sof pcm period elapse, this could be called at irq thread context.
89 	 * when the PCM is done draining or xrun happened, a STOP IPC will  in snd_sof_pcm_period_elapsed()
127 	struct sof_ipc_pcm_params pcm;  in sof_pcm_hw_params()  local
149 	dev_dbg(component->dev, "pcm: hw params stream %d dir %d\n",  in sof_pcm_hw_params()
150 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_hw_params()
152 	memset(&pcm, 0, sizeof(pcm));  in sof_pcm_hw_params()
163 	pcm.params.buffer.pages = PFN_UP(runtime->dma_bytes);  in sof_pcm_hw_params()
165 	/* set IPC PCM parameters */  in sof_pcm_hw_params()
166 	pcm.hdr.size = sizeof(pcm);  in sof_pcm_hw_params()
167 	pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;  in sof_pcm_hw_params()
168 	pcm.comp_id = spcm->stream[substream->stream].comp_id;  in sof_pcm_hw_params()
169 	pcm.params.hdr.size = sizeof(pcm.params);  in sof_pcm_hw_params()
170 	pcm.params.buffer.phy_addr =  in sof_pcm_hw_params()
172 	pcm.params.buffer.size = runtime->dma_bytes;  in sof_pcm_hw_params()
173 	pcm.params.direction = substream->stream;  in sof_pcm_hw_params()
174 	pcm.params.sample_valid_bytes = params_width(params) >> 3;  in sof_pcm_hw_params()
175 	pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;  in sof_pcm_hw_params()
176 	pcm.params.rate = params_rate(params);  in sof_pcm_hw_params()
177 	pcm.params.channels = params_channels(params);  in sof_pcm_hw_params()
178 	pcm.params.host_period_bytes = params_period_bytes(params);  in sof_pcm_hw_params()
184 	pcm.params.sample_container_bytes = ret >> 3;  in sof_pcm_hw_params()
189 		pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;  in sof_pcm_hw_params()
192 		pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;  in sof_pcm_hw_params()
195 		pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;  in sof_pcm_hw_params()
198 		pcm.params.frame_fmt = SOF_IPC_FRAME_FLOAT;  in sof_pcm_hw_params()
208 					     &pcm.params);  in sof_pcm_hw_params()
214 	dev_dbg(component->dev, "stream_tag %d", pcm.params.stream_tag);  in sof_pcm_hw_params()
217 	ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),  in sof_pcm_hw_params()
221 			pcm.params.stream_tag);  in sof_pcm_hw_params()
231 	/* save pcm hw_params */  in sof_pcm_hw_params()
253 	dev_dbg(component->dev, "pcm: free stream %d dir %d\n",  in sof_pcm_hw_free()
254 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_hw_free()
291 	dev_dbg(component->dev, "pcm: prepare stream %d dir %d\n",  in sof_pcm_prepare()
292 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_prepare()
299 			"error: set pcm hw_params after resume\n");  in sof_pcm_prepare()
330 	dev_dbg(component->dev, "pcm: trigger stream %d dir %d cmd %d\n",  in sof_pcm_trigger()
331 		spcm->pcm.pcm_id, substream->stream, cmd);  in sof_pcm_trigger()
416 	/* free PCM if reset_hw_params is set and the STOP IPC is successful */  in sof_pcm_trigger()
450 		 "PCM: stream %d dir %d DMA position %lu DAI position %lu\n",  in sof_pcm_pointer()
451 		 spcm->pcm.pcm_id, substream->stream, host, dai);  in sof_pcm_pointer()
475 	dev_dbg(component->dev, "pcm: open stream %d dir %d\n",  in sof_pcm_open()
476 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_open()
479 	caps = &spcm->pcm.caps[substream->stream];  in sof_pcm_open()
523 		dev_err(component->dev, "error: pcm open failed %d\n", ret);  in sof_pcm_open()
544 	dev_dbg(component->dev, "pcm: close stream %d dir %d\n",  in sof_pcm_close()
545 		spcm->pcm.pcm_id, substream->stream);  in sof_pcm_close()
549 		dev_err(component->dev, "error: pcm close failed %d\n",  in sof_pcm_close()
570 	struct snd_pcm *pcm = rtd->pcm;  in sof_pcm_new()  local
574 	/* find SOF PCM for this RTD */  in sof_pcm_new()
577 		dev_warn(component->dev, "warn: can't find PCM with DAI ID %d\n",  in sof_pcm_new()
582 	dev_dbg(component->dev, "creating new PCM %s\n", spcm->pcm.pcm_name);  in sof_pcm_new()
585 	if (!spcm->pcm.playback)  in sof_pcm_new()
588 	caps = &spcm->pcm.caps[stream];  in sof_pcm_new()
595 	if (!pcm->streams[stream].substream) {  in sof_pcm_new()
600 	snd_pcm_set_managed_buffer(pcm->streams[stream].substream,  in sof_pcm_new()
607 	if (!spcm->pcm.capture)  in sof_pcm_new()
610 	caps = &spcm->pcm.caps[stream];  in sof_pcm_new()
617 	if (!pcm->streams[stream].substream) {  in sof_pcm_new()
622 	snd_pcm_set_managed_buffer(pcm->streams[stream].substream,  in sof_pcm_new()
819 	 /* increment module refcount when a pcm is opened */  in snd_sof_new_platform_drv()