bridge/synopsys/dw-hdmi-ahb-audio.c

211 	struct snd_pcm_runtime *runtime)
216 	snd_pcm_create_iec958_consumer(runtime, cs, sizeof(cs));
321 	struct snd_pcm_runtime *runtime = substream->runtime;
327 	runtime->hw = dw_hdmi_hw;
331 		ret = snd_pcm_hw_constraint_eld(runtime, eld);
336 	ret = snd_pcm_limit_hw_rates(runtime);
340 	ret = snd_pcm_hw_constraint_integer(runtime,
346 	ret = snd_pcm_hw_constraint_minmax(runtime,
392 	struct snd_pcm_runtime *runtime = substream->runtime;
394 	vfree(runtime->dma_area);
395 	runtime->dma_area = NULL;
402 	struct snd_pcm_runtime *runtime = substream->runtime;
405 	/* Allocate the PCM runtime buffer, which is exposed to userspace. */
406 	if (runtime->dma_area) {
407 		if (runtime->dma_bytes >= size)
409 		vfree(runtime->dma_area);
411 	runtime->dma_area = vzalloc(size);
412 	if (!runtime->dma_area)
414 	runtime->dma_bytes = size;
421 	return vmalloc_to_page(substream->runtime->dma_area + offset);
426 	struct snd_pcm_runtime *runtime = substream->runtime;
435 		if (runtime->channels == 2)
450 	dw_hdmi_set_sample_rate(dw->data.hdmi, runtime->rate);
453 	runtime->hw.fifo_size = threshold * 32;
456 	conf1 = default_hdmi_channel_config[runtime->channels - 2].conf1;
457 	ca = default_hdmi_channel_config[runtime->channels - 2].ca;
463 	dw_hdmi_set_channel_count(dw->data.hdmi, runtime->channels);
466 	switch (runtime->format) {
471 		dw_hdmi_create_cs(dw, runtime);
476 	dw->channels = runtime->channels;
477 	dw->buf_src  = runtime->dma_area;
500 		substream->runtime->delay = substream->runtime->period_size;
521 	struct snd_pcm_runtime *runtime = substream->runtime;
528 	return bytes_to_frames(runtime, dw->buf_offset);