linux/sound/soc/meson/aiu-fifo-i2s.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/soc.h>
#include <sound/soc-dai.h>

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

#define AIU_I2S_SOURCE_DESC_MODE_8CH …
#define AIU_I2S_SOURCE_DESC_MODE_24BIT …
#define AIU_I2S_SOURCE_DESC_MODE_32BIT …
#define AIU_I2S_SOURCE_DESC_MODE_SPLIT …
#define AIU_MEM_I2S_MASKS_IRQ_BLOCK …
#define AIU_MEM_I2S_CONTROL_MODE_16BIT …
#define AIU_MEM_I2S_BUF_CNTL_INIT …
#define AIU_RST_SOFT_I2S_FAST …
#define AIU_I2S_MISC_HOLD_EN …
#define AIU_I2S_MISC_FORCE_LEFT_RIGHT …

#define AIU_FIFO_I2S_BLOCK …

static const struct snd_pcm_hardware fifo_i2s_pcm = …;

static int aiu_fifo_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
				struct snd_soc_dai *dai)
{ … }

static int aiu_fifo_i2s_prepare(struct snd_pcm_substream *substream,
				struct snd_soc_dai *dai)
{ … }

static int aiu_fifo_i2s_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_i2s_dai_ops = …;

int aiu_fifo_i2s_dai_probe(struct snd_soc_dai *dai)
{ … }