sound/soc/rockchip/rockchip_max98090.c - third_party/kernel - Git at Google

 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
  *
  * Copyright (c) 2014, ROCKCHIP CORPORATION.  All rights reserved.
  */

 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/gpio.h>
 #include <linux/of_gpio.h>
 #include <sound/core.h>
 #include <sound/jack.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>

 #include "rockchip_i2s.h"
 #include "../codecs/ts3a227e.h"

 #define DRV_NAME "rockchip-snd-max98090"

 static struct snd_soc_jack headset_jack;

 /* Headset jack detection DAPM pins */
 static struct snd_soc_jack_pin headset_jack_pins[] = {
 	{
 		.pin = "Headphone",
 		.mask = SND_JACK_HEADPHONE,
 	},
 	{
 		.pin = "Headset Mic",
 		.mask = SND_JACK_MICROPHONE,
 	},

 };

 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_MIC("Int Mic", NULL),
 	SND_SOC_DAPM_SPK("Speaker", NULL),
 };

 static const struct snd_soc_dapm_route rk_audio_map[] = {
 	{"IN34", NULL, "Headset Mic"},
 	{"Headset Mic", NULL, "MICBIAS"},
 	{"DMICL", NULL, "Int Mic"},
 	{"Headphone", NULL, "HPL"},
 	{"Headphone", NULL, "HPR"},
 	{"Speaker", NULL, "SPKL"},
 	{"Speaker", NULL, "SPKR"},
 };

 static const struct snd_kcontrol_new rk_mc_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Int Mic"),
 	SOC_DAPM_PIN_SWITCH("Speaker"),
 };

 static int rk_jack_event(struct notifier_block *nb, unsigned long event,
 			 void *data)
 {
 	struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
 	struct snd_soc_dapm_context *dapm = &jack->card->dapm;

 	if (event & SND_JACK_MICROPHONE) {
 		snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
 		snd_soc_dapm_force_enable_pin(dapm, "SHDN");
 	} else {
 		snd_soc_dapm_disable_pin(dapm, "MICBIAS");
 		snd_soc_dapm_disable_pin(dapm, "SHDN");
 	}

 	snd_soc_dapm_sync(dapm);

 	return 0;
 }

 static struct notifier_block rk_jack_nb = {
 	.notifier_call = rk_jack_event,
 };

 static int rk_init(struct snd_soc_pcm_runtime *runtime)
 {
 	/*
 	 * The jack has already been created in the rk_98090_headset_init()
 	 * function.
 	 */
 	snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);

 	return 0;
 }

 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
 			     struct snd_pcm_hw_params *params)
 {
 	int ret = 0;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	int mclk;

 	switch (params_rate(params)) {
 	case 8000:
 	case 16000:
 	case 24000:
 	case 32000:
 	case 48000:
 	case 64000:
 	case 96000:
 		mclk = 12288000;
 		break;
 	case 11025:
 	case 22050:
 	case 44100:
 	case 88200:
 		mclk = 11289600;
 		break;
 	default:
 		return -EINVAL;
 	}

 	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 				     SND_SOC_CLOCK_OUT);
 	if (ret < 0) {
 		dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 		return ret;
 	}

 	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 				     SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
 		return ret;
 	}

 	return ret;
 }

 static int rk_aif1_startup(struct snd_pcm_substream *substream)
 {
 	/*
 	 * Set period size to 240 because pl330 has issue
 	 * dealing with larger period in stress testing.
 	 */
 	return snd_pcm_hw_constraint_minmax(substream->runtime,
 			SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240);
 }

 static const struct snd_soc_ops rk_aif1_ops = {
 	.hw_params = rk_aif1_hw_params,
 	.startup = rk_aif1_startup,
 };

 SND_SOC_DAILINK_DEFS(hifi,
 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
 	DAILINK_COMP_ARRAY(COMP_EMPTY()));

 static struct snd_soc_dai_link rk_dailink = {
 	.name = "max98090",
 	.stream_name = "Audio",
 	.init = rk_init,
 	.ops = &rk_aif1_ops,
 	/* set max98090 as slave */
 	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 		SND_SOC_DAIFMT_CBS_CFS,
 	SND_SOC_DAILINK_REG(hifi),
 };

 static int rk_98090_headset_init(struct snd_soc_component *component);

 static struct snd_soc_aux_dev rk_98090_headset_dev = {
 	.dlc = COMP_EMPTY(),
 	.init = rk_98090_headset_init,
 };

 static struct snd_soc_card snd_soc_card_rk = {
 	.name = "ROCKCHIP-I2S",
 	.owner = THIS_MODULE,
 	.dai_link = &rk_dailink,
 	.num_links = 1,
 	.aux_dev = &rk_98090_headset_dev,
 	.num_aux_devs = 1,
 	.dapm_widgets = rk_dapm_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
 	.dapm_routes = rk_audio_map,
 	.num_dapm_routes = ARRAY_SIZE(rk_audio_map),
 	.controls = rk_mc_controls,
 	.num_controls = ARRAY_SIZE(rk_mc_controls),
 };

 static int rk_98090_headset_init(struct snd_soc_component *component)
 {
 	int ret;

 	/* Enable Headset and 4 Buttons Jack detection */
 	ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
 				    SND_JACK_HEADSET |
 				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
 				    &headset_jack,
 				    headset_jack_pins,
 				    ARRAY_SIZE(headset_jack_pins));
 	if (ret)
 		return ret;

 	ret = ts3a227e_enable_jack_detect(component, &headset_jack);

 	return ret;
 }

 static int snd_rk_mc_probe(struct platform_device *pdev)
 {
 	int ret = 0;
 	struct snd_soc_card *card = &snd_soc_card_rk;
 	struct device_node *np = pdev->dev.of_node;

 	/* register the soc card */
 	card->dev = &pdev->dev;

 	rk_dailink.codecs->of_node = of_parse_phandle(np,
 			"rockchip,audio-codec", 0);
 	if (!rk_dailink.codecs->of_node) {
 		dev_err(&pdev->dev,
 			"Property 'rockchip,audio-codec' missing or invalid\n");
 		return -EINVAL;
 	}

 	rk_dailink.cpus->of_node = of_parse_phandle(np,
 			"rockchip,i2s-controller", 0);
 	if (!rk_dailink.cpus->of_node) {
 		dev_err(&pdev->dev,
 			"Property 'rockchip,i2s-controller' missing or invalid\n");
 		return -EINVAL;
 	}

 	rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;

 	rk_98090_headset_dev.dlc.of_node = of_parse_phandle(np,
 			"rockchip,headset-codec", 0);
 	if (!rk_98090_headset_dev.dlc.of_node) {
 		dev_err(&pdev->dev,
 			"Property 'rockchip,headset-codec' missing/invalid\n");
 		return -EINVAL;
 	}

 	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
 	if (ret) {
 		dev_err(&pdev->dev,
 			"Soc parse card name failed %d\n", ret);
 		return ret;
 	}

 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev,
 			"Soc register card failed %d\n", ret);
 		return ret;
 	}

 	return ret;
 }

 static const struct of_device_id rockchip_max98090_of_match[] = {
 	{ .compatible = "rockchip,rockchip-audio-max98090", },
 	{},
 };

 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);

 static struct platform_driver snd_rk_mc_driver = {
 	.probe = snd_rk_mc_probe,
 	.driver = {
 		.name = DRV_NAME,
 		.pm = &snd_soc_pm_ops,
 		.of_match_table = rockchip_max98090_of_match,
 	},
 };

 module_platform_driver(snd_rk_mc_driver);

 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:" DRV_NAME);
	// SPDX-License-Identifier: GPL-2.0-only
	/*
	* Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
	*
	* Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved.
	*/

	#include <linux/module.h>
	#include <linux/platform_device.h>
	#include <linux/slab.h>
	#include <linux/gpio.h>
	#include <linux/of_gpio.h>
	#include <sound/core.h>
	#include <sound/jack.h>
	#include <sound/pcm.h>
	#include <sound/pcm_params.h>
	#include <sound/soc.h>

	#include "rockchip_i2s.h"
	#include "../codecs/ts3a227e.h"

	#define DRV_NAME "rockchip-snd-max98090"

	static struct snd_soc_jack headset_jack;

	/* Headset jack detection DAPM pins */
	static struct snd_soc_jack_pin headset_jack_pins[] = {
	{
	.pin = "Headphone",
	.mask = SND_JACK_HEADPHONE,
	},
	{
	.pin = "Headset Mic",
	.mask = SND_JACK_MICROPHONE,
	},

	};

	static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Int Mic", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
	};

	static const struct snd_soc_dapm_route rk_audio_map[] = {
	{"IN34", NULL, "Headset Mic"},
	{"Headset Mic", NULL, "MICBIAS"},
	{"DMICL", NULL, "Int Mic"},
	{"Headphone", NULL, "HPL"},
	{"Headphone", NULL, "HPR"},
	{"Speaker", NULL, "SPKL"},
	{"Speaker", NULL, "SPKR"},
	};

	static const struct snd_kcontrol_new rk_mc_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Int Mic"),
	SOC_DAPM_PIN_SWITCH("Speaker"),
	};

	static int rk_jack_event(struct notifier_block *nb, unsigned long event,
	void *data)
	{
	struct snd_soc_jack jack = (struct snd_soc_jack )data;
	struct snd_soc_dapm_context *dapm = &jack->card->dapm;

	if (event & SND_JACK_MICROPHONE) {
	snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
	snd_soc_dapm_force_enable_pin(dapm, "SHDN");
	} else {
	snd_soc_dapm_disable_pin(dapm, "MICBIAS");
	snd_soc_dapm_disable_pin(dapm, "SHDN");
	}

	snd_soc_dapm_sync(dapm);

	return 0;
	}

	static struct notifier_block rk_jack_nb = {
	.notifier_call = rk_jack_event,
	};

	static int rk_init(struct snd_soc_pcm_runtime *runtime)
	{
	/*
	* The jack has already been created in the rk_98090_headset_init()
	* function.
	*/
	snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);

	return 0;
	}

	static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
	{
	int ret = 0;
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	int mclk;

	switch (params_rate(params)) {
	case 8000:
	case 16000:
	case 24000:
	case 32000:
	case 48000:
	case 64000:
	case 96000:
	mclk = 12288000;
	break;
	case 11025:
	case 22050:
	case 44100:
	case 88200:
	mclk = 11289600;
	break;
	default:
	return -EINVAL;
	}

	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
	SND_SOC_CLOCK_OUT);
	if (ret < 0) {
	dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
	return ret;
	}

	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
	SND_SOC_CLOCK_IN);
	if (ret < 0) {
	dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
	return ret;
	}

	return ret;
	}

	static int rk_aif1_startup(struct snd_pcm_substream *substream)
	{
	/*
	* Set period size to 240 because pl330 has issue
	* dealing with larger period in stress testing.
	*/
	return snd_pcm_hw_constraint_minmax(substream->runtime,
	SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240);
	}

	static const struct snd_soc_ops rk_aif1_ops = {
	.hw_params = rk_aif1_hw_params,
	.startup = rk_aif1_startup,
	};

	SND_SOC_DAILINK_DEFS(hifi,
	DAILINK_COMP_ARRAY(COMP_EMPTY()),
	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
	DAILINK_COMP_ARRAY(COMP_EMPTY()));

	static struct snd_soc_dai_link rk_dailink = {
	.name = "max98090",
	.stream_name = "Audio",
	.init = rk_init,
	.ops = &rk_aif1_ops,
	/* set max98090 as slave */
	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	SND_SOC_DAIFMT_CBS_CFS,
	SND_SOC_DAILINK_REG(hifi),
	};

	static int rk_98090_headset_init(struct snd_soc_component *component);

	static struct snd_soc_aux_dev rk_98090_headset_dev = {
	.dlc = COMP_EMPTY(),
	.init = rk_98090_headset_init,
	};

	static struct snd_soc_card snd_soc_card_rk = {
	.name = "ROCKCHIP-I2S",
	.owner = THIS_MODULE,
	.dai_link = &rk_dailink,
	.num_links = 1,
	.aux_dev = &rk_98090_headset_dev,
	.num_aux_devs = 1,
	.dapm_widgets = rk_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
	.dapm_routes = rk_audio_map,
	.num_dapm_routes = ARRAY_SIZE(rk_audio_map),
	.controls = rk_mc_controls,
	.num_controls = ARRAY_SIZE(rk_mc_controls),
	};

	static int rk_98090_headset_init(struct snd_soc_component *component)
	{
	int ret;

	/* Enable Headset and 4 Buttons Jack detection */
	ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
	SND_JACK_HEADSET \|
	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	SND_JACK_BTN_2 \| SND_JACK_BTN_3,
	&headset_jack,
	headset_jack_pins,
	ARRAY_SIZE(headset_jack_pins));
	if (ret)
	return ret;

	ret = ts3a227e_enable_jack_detect(component, &headset_jack);

	return ret;
	}

	static int snd_rk_mc_probe(struct platform_device *pdev)
	{
	int ret = 0;
	struct snd_soc_card *card = &snd_soc_card_rk;
	struct device_node *np = pdev->dev.of_node;

	/* register the soc card */
	card->dev = &pdev->dev;

	rk_dailink.codecs->of_node = of_parse_phandle(np,
	"rockchip,audio-codec", 0);
	if (!rk_dailink.codecs->of_node) {
	dev_err(&pdev->dev,
	"Property 'rockchip,audio-codec' missing or invalid\n");
	return -EINVAL;
	}

	rk_dailink.cpus->of_node = of_parse_phandle(np,
	"rockchip,i2s-controller", 0);
	if (!rk_dailink.cpus->of_node) {
	dev_err(&pdev->dev,
	"Property 'rockchip,i2s-controller' missing or invalid\n");
	return -EINVAL;
	}

	rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;

	rk_98090_headset_dev.dlc.of_node = of_parse_phandle(np,
	"rockchip,headset-codec", 0);
	if (!rk_98090_headset_dev.dlc.of_node) {
	dev_err(&pdev->dev,
	"Property 'rockchip,headset-codec' missing/invalid\n");
	return -EINVAL;
	}

	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
	if (ret) {
	dev_err(&pdev->dev,
	"Soc parse card name failed %d\n", ret);
	return ret;
	}

	ret = devm_snd_soc_register_card(&pdev->dev, card);
	if (ret) {
	dev_err(&pdev->dev,
	"Soc register card failed %d\n", ret);
	return ret;
	}

	return ret;
	}

	static const struct of_device_id rockchip_max98090_of_match[] = {
	{ .compatible = "rockchip,rockchip-audio-max98090", },
	{},
	};

	MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);

	static struct platform_driver snd_rk_mc_driver = {
	.probe = snd_rk_mc_probe,
	.driver = {
	.name = DRV_NAME,
	.pm = &snd_soc_pm_ops,
	.of_match_table = rockchip_max98090_of_match,
	},
	};

	module_platform_driver(snd_rk_mc_driver);

	MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
	MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
	MODULE_LICENSE("GPL v2");
	MODULE_ALIAS("platform:" DRV_NAME);