linux/sound/soc/meson/aiu-encoder-spdif.c

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2020 BayLibre, SAS.
// Author: Jerome Brunet <[email protected]>

#include <linux/bitfield.h>
#include <linux/clk.h>
#include <sound/pcm_params.h>
#include <sound/pcm_iec958.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>

#include "aiu.h"

#define AIU_958_MISC_NON_PCM …
#define AIU_958_MISC_MODE_16BITS …
#define AIU_958_MISC_16BITS_ALIGN …
#define AIU_958_MISC_MODE_32BITS …
#define AIU_958_MISC_U_FROM_STREAM …
#define AIU_958_MISC_FORCE_LR …
#define AIU_958_CTRL_HOLD_EN …
#define AIU_CLK_CTRL_958_DIV_EN …
#define AIU_CLK_CTRL_958_DIV …
#define AIU_CLK_CTRL_958_DIV_MORE …

#define AIU_CS_WORD_LEN …
#define AIU_958_INTERNAL_DIV …

static void
aiu_encoder_spdif_divider_enable(struct snd_soc_component *component,
				 bool enable)
{ … }

static void aiu_encoder_spdif_hold(struct snd_soc_component *component,
				   bool enable)
{ … }

static int
aiu_encoder_spdif_trigger(struct snd_pcm_substream *substream, int cmd,
			  struct snd_soc_dai *dai)
{ … }

static int aiu_encoder_spdif_setup_cs_word(struct snd_soc_component *component,
					   struct snd_pcm_hw_params *params)
{ … }

static int aiu_encoder_spdif_hw_params(struct snd_pcm_substream *substream,
				       struct snd_pcm_hw_params *params,
				       struct snd_soc_dai *dai)
{ … }

static int aiu_encoder_spdif_hw_free(struct snd_pcm_substream *substream,
				     struct snd_soc_dai *dai)
{ … }

static int aiu_encoder_spdif_startup(struct snd_pcm_substream *substream,
				     struct snd_soc_dai *dai)
{ … }

static void aiu_encoder_spdif_shutdown(struct snd_pcm_substream *substream,
				       struct snd_soc_dai *dai)
{ … }

const struct snd_soc_dai_ops aiu_encoder_spdif_dai_ops = …;