60 static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream)  in lpass_platform_pcmops_open()  argument
62 	struct snd_pcm_runtime *runtime = substream->runtime;  in lpass_platform_pcmops_open()
63 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_open()
66 	snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware);  in lpass_platform_pcmops_open()
78 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in lpass_platform_pcmops_open()
83 static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,  in lpass_platform_pcmops_hw_params()  argument
86 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_hw_params()
169 static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream)  in lpass_platform_pcmops_hw_free()  argument
171 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_hw_free()
185 static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)  in lpass_platform_pcmops_prepare()  argument
187 	struct snd_pcm_runtime *runtime = substream->runtime;  in lpass_platform_pcmops_prepare()
188 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_prepare()
204 			(snd_pcm_lib_buffer_bytes(substream) >> 2) - 1);  in lpass_platform_pcmops_prepare()
213 			(snd_pcm_lib_period_bytes(substream) >> 2) - 1);  in lpass_platform_pcmops_prepare()
232 static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,  in lpass_platform_pcmops_trigger()  argument
235 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_trigger()
302 		struct snd_pcm_substream *substream)  in lpass_platform_pcmops_pointer()  argument
304 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_pointer()
326 	return bytes_to_frames(substream->runtime, curr_addr - base_addr);  in lpass_platform_pcmops_pointer()
329 static int lpass_platform_pcmops_mmap(struct snd_pcm_substream *substream,  in lpass_platform_pcmops_mmap()  argument
332 	struct snd_pcm_runtime *runtime = substream->runtime;  in lpass_platform_pcmops_mmap()
334 	return dma_mmap_coherent(substream->pcm->card->dev, vma,  in lpass_platform_pcmops_mmap()
352 	struct snd_pcm_substream *substream = data;  in lpass_platform_lpaif_irq()  local
353 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_lpaif_irq()
378 		snd_pcm_period_elapsed(substream);  in lpass_platform_lpaif_irq()
392 		snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);  in lpass_platform_lpaif_irq()
406 		snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);  in lpass_platform_lpaif_irq()
413 static int lpass_platform_alloc_buffer(struct snd_pcm_substream *substream,  in lpass_platform_alloc_buffer()  argument
416 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in lpass_platform_alloc_buffer()
434 static void lpass_platform_free_buffer(struct snd_pcm_substream *substream,  in lpass_platform_free_buffer()  argument
437 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in lpass_platform_free_buffer()
449 	struct snd_pcm_substream *substream =  in lpass_platform_pcm_new()  local
450 		pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;  in lpass_platform_pcm_new()
458 	ret = lpass_platform_alloc_buffer(substream, soc_runtime);  in lpass_platform_pcm_new()
464 			"lpass-irq-lpaif", substream);  in lpass_platform_pcm_new()
490 	lpass_platform_free_buffer(substream, soc_runtime);  in lpass_platform_pcm_new()
496 	struct snd_pcm_substream *substream =  in lpass_platform_pcm_free()  local
497 		pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;  in lpass_platform_pcm_free()
498 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcm_free()
500 	lpass_platform_free_buffer(substream, soc_runtime);  in lpass_platform_pcm_free()