bytcht_da7213.c | Explore in Territory

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  bytcht-da7213.c - ASoc Machine driver for Intel Baytrail and
 *             Cherrytrail-based platforms, with Dialog DA7213 codec
 *
 *  Copyright (C) 2017 Intel Corporation
 *  Author: Pierre-Louis Bossart <[email protected]>
 *
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#include <linux/module.h>
#include <linux/acpi.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../../codecs/da7213.h"
#include "../atom/sst-atom-controls.h"

static const struct snd_kcontrol_new controls[] = …;

static const struct snd_soc_dapm_widget dapm_widgets[] = …;

static const struct snd_soc_dapm_route audio_map[] = …;

static int codec_fixup(struct snd_soc_pcm_runtime *rtd,
		       struct snd_pcm_hw_params *params)
{ … }

static int aif1_startup(struct snd_pcm_substream *substream)
{ … }

static int aif1_hw_params(struct snd_pcm_substream *substream,
			  struct snd_pcm_hw_params *params)
{ … }

static int aif1_hw_free(struct snd_pcm_substream *substream)
{ … }

static const struct snd_soc_ops aif1_ops = …;

static const struct snd_soc_ops ssp2_ops = …;

SND_SOC_DAILINK_DEF(dummy,
	DAILINK_COMP_ARRAY(COMP_DUMMY()));

SND_SOC_DAILINK_DEF(media,
	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));

SND_SOC_DAILINK_DEF(deepbuffer,
	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));

SND_SOC_DAILINK_DEF(ssp2_port,
	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
SND_SOC_DAILINK_DEF(ssp2_codec,
	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7213:00",
				      "da7213-hifi")));

SND_SOC_DAILINK_DEF(platform,
	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));

static struct snd_soc_dai_link dailink[] = …;

/* use space before codec name to simplify card ID, and simplify driver name */
#define SOF_CARD_NAME …
#define SOF_DRIVER_NAME …

#define CARD_NAME …
#define DRIVER_NAME …

/* SoC card */
static struct snd_soc_card bytcht_da7213_card = …;

static char codec_name[SND_ACPI_I2C_ID_LEN];

static int bytcht_da7213_probe(struct platform_device *pdev)
{ … }

static struct platform_driver bytcht_da7213_driver = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;
linux/sound/soc/intel/boards/bytcht_da7213.c
