axg-spdifout.c | Explore in Territory

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
//
// Copyright (c) 2018 BayLibre, SAS.
// Author: Jerome Brunet <[email protected]>

#include <linux/clk.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <sound/pcm_params.h>
#include <sound/pcm_iec958.h>

/*
 * NOTE:
 * The meaning of bits SPDIFOUT_CTRL0_XXX_SEL is actually the opposite
 * of what the documentation says. Manual control on V, U and C bits is
 * applied when the related sel bits are cleared
 */

#define SPDIFOUT_STAT …
#define SPDIFOUT_GAIN0 …
#define SPDIFOUT_GAIN1 …
#define SPDIFOUT_CTRL0 …
#define SPDIFOUT_CTRL0_EN …
#define SPDIFOUT_CTRL0_RST_OUT …
#define SPDIFOUT_CTRL0_RST_IN …
#define SPDIFOUT_CTRL0_USEL …
#define SPDIFOUT_CTRL0_USET …
#define SPDIFOUT_CTRL0_CHSTS_SEL …
#define SPDIFOUT_CTRL0_DATA_SEL …
#define SPDIFOUT_CTRL0_MSB_FIRST …
#define SPDIFOUT_CTRL0_VSEL …
#define SPDIFOUT_CTRL0_VSET …
#define SPDIFOUT_CTRL0_MASK_MASK …
#define SPDIFOUT_CTRL0_MASK(x) …
#define SPDIFOUT_CTRL1 …
#define SPDIFOUT_CTRL1_MSB_POS_MASK …
#define SPDIFOUT_CTRL1_MSB_POS(x) …
#define SPDIFOUT_CTRL1_TYPE_MASK …
#define SPDIFOUT_CTRL1_TYPE(x) …
#define SPDIFOUT_PREAMB …
#define SPDIFOUT_SWAP …
#define SPDIFOUT_CHSTS0 …
#define SPDIFOUT_CHSTS1 …
#define SPDIFOUT_CHSTS2 …
#define SPDIFOUT_CHSTS3 …
#define SPDIFOUT_CHSTS4 …
#define SPDIFOUT_CHSTS5 …
#define SPDIFOUT_CHSTS6 …
#define SPDIFOUT_CHSTS7 …
#define SPDIFOUT_CHSTS8 …
#define SPDIFOUT_CHSTS9 …
#define SPDIFOUT_CHSTSA …
#define SPDIFOUT_CHSTSB …
#define SPDIFOUT_MUTE_VAL …

struct axg_spdifout { … };

static void axg_spdifout_enable(struct regmap *map)
{ … }

static void axg_spdifout_disable(struct regmap *map)
{ … }

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

static int axg_spdifout_mute(struct snd_soc_dai *dai, int mute, int direction)
{ … }

static int axg_spdifout_sample_fmt(struct snd_pcm_hw_params *params,
				   struct snd_soc_dai *dai)
{ … }

static int axg_spdifout_set_chsts(struct snd_pcm_hw_params *params,
				  struct snd_soc_dai *dai)
{ … }

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

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

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

static const struct snd_soc_dai_ops axg_spdifout_ops = …;

static struct snd_soc_dai_driver axg_spdifout_dai_drv[] = …;

static const char * const spdifout_sel_texts[] = …;

static SOC_ENUM_SINGLE_DECL(axg_spdifout_sel_enum, SPDIFOUT_CTRL1, 24,
			    spdifout_sel_texts);

static const struct snd_kcontrol_new axg_spdifout_in_mux = …;

static const struct snd_soc_dapm_widget axg_spdifout_dapm_widgets[] = …;

static const struct snd_soc_dapm_route axg_spdifout_dapm_routes[] = …;

static const struct snd_kcontrol_new axg_spdifout_controls[] = …;

static int axg_spdifout_set_bias_level(struct snd_soc_component *component,
				       enum snd_soc_bias_level level)
{ … }

static const struct snd_soc_component_driver axg_spdifout_component_drv = …;

static const struct regmap_config axg_spdifout_regmap_cfg = …;

static const struct of_device_id axg_spdifout_of_match[] = …;
MODULE_DEVICE_TABLE(of, axg_spdifout_of_match);

static int axg_spdifout_probe(struct platform_device *pdev)
{ … }

static struct platform_driver axg_spdifout_pdrv = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
linux/sound/soc/meson/axg-spdifout.c
