59 static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream)  in lpass_platform_pcmops_open()  argument
61 	struct snd_pcm_runtime *runtime = substream->runtime;  in lpass_platform_pcmops_open()
62 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_open()
65 	snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware);  in lpass_platform_pcmops_open()
77 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in lpass_platform_pcmops_open()
82 static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,  in lpass_platform_pcmops_hw_params()  argument
85 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_hw_params()
170 static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream)  in lpass_platform_pcmops_hw_free()  argument
172 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_hw_free()
188 static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)  in lpass_platform_pcmops_prepare()  argument
190 	struct snd_pcm_runtime *runtime = substream->runtime;  in lpass_platform_pcmops_prepare()
191 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_prepare()
209 			(snd_pcm_lib_buffer_bytes(substream) >> 2) - 1);  in lpass_platform_pcmops_prepare()
218 			(snd_pcm_lib_period_bytes(substream) >> 2) - 1);  in lpass_platform_pcmops_prepare()
237 static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,  in lpass_platform_pcmops_trigger()  argument
240 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_trigger()
309 		struct snd_pcm_substream *substream)  in lpass_platform_pcmops_pointer()  argument
311 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcmops_pointer()
335 	return bytes_to_frames(substream->runtime, curr_addr - base_addr);  in lpass_platform_pcmops_pointer()
338 static int lpass_platform_pcmops_mmap(struct snd_pcm_substream *substream,  in lpass_platform_pcmops_mmap()  argument
341 	struct snd_pcm_runtime *runtime = substream->runtime;  in lpass_platform_pcmops_mmap()
343 	return dma_mmap_coherent(substream->pcm->card->dev, vma,  in lpass_platform_pcmops_mmap()
360 			struct snd_pcm_substream *substream,  in lpass_dma_interrupt_handler()  argument
364 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_dma_interrupt_handler()
378 		snd_pcm_period_elapsed(substream);  in lpass_dma_interrupt_handler()
392 		snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);  in lpass_dma_interrupt_handler()
406 		snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);  in lpass_dma_interrupt_handler()
430 		if (irqs & LPAIF_IRQ_ALL(chan) && drvdata->substream[chan]) {  in lpass_platform_lpaif_irq()
432 						drvdata->substream[chan],  in lpass_platform_lpaif_irq()
442 static int lpass_platform_alloc_buffer(struct snd_pcm_substream *substream,  in lpass_platform_alloc_buffer()  argument
445 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in lpass_platform_alloc_buffer()
463 static void lpass_platform_free_buffer(struct snd_pcm_substream *substream,  in lpass_platform_free_buffer()  argument
466 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in lpass_platform_free_buffer()
478 	struct snd_pcm_substream *substream =  in lpass_platform_pcm_new()  local
479 		pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;  in lpass_platform_pcm_new()
497 	drvdata->substream[data->rdma_ch] = substream;  in lpass_platform_pcm_new()
505 	ret = lpass_platform_alloc_buffer(substream, soc_runtime);  in lpass_platform_pcm_new()
520 	lpass_platform_free_buffer(substream, soc_runtime);  in lpass_platform_pcm_new()
526 	struct snd_pcm_substream *substream =  in lpass_platform_pcm_free()  local
527 		pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;  in lpass_platform_pcm_free()
528 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in lpass_platform_pcm_free()
534 	drvdata->substream[data->rdma_ch] = NULL;  in lpass_platform_pcm_free()
539 	lpass_platform_free_buffer(substream, soc_runtime);  in lpass_platform_pcm_free()