linux/sound/soc/intel/avs/boards/rt5682.c

// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2021-2022 Intel Corporation
//
// Authors: Cezary Rojewski <[email protected]>
//          Amadeusz Slawinski <[email protected]>
//

#include <linux/clk.h>
#include <linux/dmi.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/rt5682.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../../common/soc-intel-quirks.h"
#include "../../../codecs/rt5682.h"
#include "../utils.h"

#define AVS_RT5682_SSP_CODEC(quirk) …
#define AVS_RT5682_SSP_CODEC_MASK …
#define AVS_RT5682_MCLK_EN …
#define AVS_RT5682_MCLK_24MHZ …
#define AVS_RT5682_CODEC_DAI_NAME …

/* Default: MCLK on, MCLK 19.2M, SSP0 */
static unsigned long avs_rt5682_quirk = …;

static int avs_rt5682_quirk_cb(const struct dmi_system_id *id)
{ … }

static const struct dmi_system_id avs_rt5682_quirk_table[] = …;

static const struct snd_kcontrol_new card_controls[] = …;

static const struct snd_soc_dapm_widget card_widgets[] = …;

static const struct snd_soc_dapm_route card_base_routes[] = …;

static const struct snd_soc_jack_pin card_jack_pins[] = …;

static int avs_rt5682_codec_init(struct snd_soc_pcm_runtime *runtime)
{
	struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
	struct snd_soc_card *card = runtime->card;
	struct snd_soc_jack_pin *pins;
	struct snd_soc_jack *jack;
	int num_pins, ret;

	jack = snd_soc_card_get_drvdata(card);
	num_pins = ARRAY_SIZE(card_jack_pins);

	pins = devm_kmemdup(card->dev, card_jack_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
	if (!pins)
		return -ENOMEM;

	/* Need to enable ASRC function for 24MHz mclk rate */
	if ((avs_rt5682_quirk & AVS_RT5682_MCLK_EN) &&
	    (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)) {
		rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
					RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC);
	}


	ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
					 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
					 pins, num_pins);
	if (ret) {
		dev_err(card->dev, "Headset Jack creation failed: %d\n", ret);
		return ret;
	}

	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);

	ret = snd_soc_component_set_jack(component, jack, NULL);
	if (ret) {
		dev_err(card->dev, "Headset Jack call-back failed: %d\n", ret);
		return ret;
	}

	return 0;
};

static void avs_rt5682_codec_exit(struct snd_soc_pcm_runtime *rtd)
{ … }

static int
avs_rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
{ … }

static const struct snd_soc_ops avs_rt5682_ops = …;

static int
avs_rt5682_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
{ … }

static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
			       int tdm_slot, struct snd_soc_dai_link **dai_link)
{ … }

static int avs_card_suspend_pre(struct snd_soc_card *card)
{ … }

static int avs_card_resume_post(struct snd_soc_card *card)
{ … }

static int avs_rt5682_probe(struct platform_device *pdev)
{ … }

static const struct platform_device_id avs_rt5682_driver_ids[] = …;
MODULE_DEVICE_TABLE(platform, avs_rt5682_driver_ids);

static struct platform_driver avs_rt5682_driver = …;

module_platform_driver(…) …

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;