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

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

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

#include "aiu.h"
#include "aiu-fifo.h"

#define AIU_IEC958_DCU_FF_CTRL_EN …
#define AIU_IEC958_DCU_FF_CTRL_AUTO_DISABLE …
#define AIU_IEC958_DCU_FF_CTRL_IRQ_MODE …
#define AIU_IEC958_DCU_FF_CTRL_IRQ_OUT_THD …
#define AIU_IEC958_DCU_FF_CTRL_IRQ_FRAME_READ …
#define AIU_IEC958_DCU_FF_CTRL_SYNC_HEAD_EN …
#define AIU_IEC958_DCU_FF_CTRL_BYTE_SEEK …
#define AIU_IEC958_DCU_FF_CTRL_CONTINUE …
#define AIU_MEM_IEC958_CONTROL_ENDIAN …
#define AIU_MEM_IEC958_CONTROL_RD_DDR …
#define AIU_MEM_IEC958_CONTROL_MODE_16BIT …
#define AIU_MEM_IEC958_CONTROL_MODE_LINEAR …
#define AIU_MEM_IEC958_BUF_CNTL_INIT …

#define AIU_FIFO_SPDIF_BLOCK …

static const struct snd_pcm_hardware fifo_spdif_pcm = …;

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

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

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

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

const struct snd_soc_dai_ops aiu_fifo_spdif_dai_ops = …;

int aiu_fifo_spdif_dai_probe(struct snd_soc_dai *dai)
{ … }