sound/soc/rockchip/rockchip_rt5645.c - kernel/msm-4.19 - Gitiles

 /*
  * Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC.
  *
  * Copyright (c) 2015, ROCKCHIP CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
  * version 2, as published by the Free Software Foundation.
  *
  * This program is distributed in the hope it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  * more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */

 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/gpio.h>
 #include <linux/of_gpio.h>
 #include <linux/delay.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/rt5645.h"

 #define DRV_NAME "rockchip-snd-rt5645"

 static struct snd_soc_jack headset_jack;

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

 static const struct snd_soc_dapm_route rk_audio_map[] = {
 	/* Input Lines */
 	{"DMIC L2", NULL, "Int Mic"},
 	{"DMIC R2", NULL, "Int Mic"},
 	{"RECMIXL", NULL, "Headset Mic"},
 	{"RECMIXR", NULL, "Headset Mic"},

 	/* Output Lines */
 	{"Headphones", NULL, "HPOR"},
 	{"Headphones", NULL, "HPOL"},
 	{"Speakers", NULL, "SPOL"},
 	{"Speakers", NULL, "SPOR"},
 };

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

 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_init(struct snd_soc_pcm_runtime *runtime)
 {
 	struct snd_soc_card *card = runtime->card;
 	int ret;

 	/* Enable Headset and 4 Buttons Jack detection */
 	ret = snd_soc_card_jack_new(card, "Headset Jack",
 				    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
 				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
 				    &headset_jack, NULL, 0);
 	if (ret) {
 		dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret);
 		return ret;
 	}

 	return rt5645_set_jack_detect(runtime->codec_dai->component,
 				     &headset_jack,
 				     &headset_jack,
 				     &headset_jack);
 }

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

 static struct snd_soc_dai_link rk_dailink = {
 	.name = "rt5645",
 	.stream_name = "rt5645 PCM",
 	.codec_dai_name = "rt5645-aif1",
 	.init = rk_init,
 	.ops = &rk_aif1_ops,
 	/* set rt5645 as slave */
 	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 		SND_SOC_DAIFMT_CBS_CFS,
 };

 static struct snd_soc_card snd_soc_card_rk = {
 	.name = "I2S-RT5650",
 	.owner = THIS_MODULE,
 	.dai_link = &rk_dailink,
 	.num_links = 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 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.codec_of_node = of_parse_phandle(np,
 			"rockchip,audio-codec", 0);
 	if (!rk_dailink.codec_of_node) {
 		dev_err(&pdev->dev,
 			"Property 'rockchip,audio-codec' missing or invalid\n");
 		return -EINVAL;
 	}

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

 	rk_dailink.platform_of_node = rk_dailink.cpu_of_node;

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

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

 	return ret;

 put_cpu_of_node:
 	of_node_put(rk_dailink.cpu_of_node);
 	rk_dailink.cpu_of_node = NULL;
 put_codec_of_node:
 	of_node_put(rk_dailink.codec_of_node);
 	rk_dailink.codec_of_node = NULL;

 	return ret;
 }

 static int snd_rk_mc_remove(struct platform_device *pdev)
 {
 	of_node_put(rk_dailink.cpu_of_node);
 	rk_dailink.cpu_of_node = NULL;
 	of_node_put(rk_dailink.codec_of_node);
 	rk_dailink.codec_of_node = NULL;

 	return 0;
 }

 static const struct of_device_id rockchip_rt5645_of_match[] = {
 	{ .compatible = "rockchip,rockchip-audio-rt5645", },
 	{},
 };

 MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match);

 static struct platform_driver snd_rk_mc_driver = {
 	.probe = snd_rk_mc_probe,
 	.remove = snd_rk_mc_remove,
 	.driver = {
 		.name = DRV_NAME,
 		.pm = &snd_soc_pm_ops,
 		.of_match_table = rockchip_rt5645_of_match,
 	},
 };

 module_platform_driver(snd_rk_mc_driver);

 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
 MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:" DRV_NAME);
	/*
	* Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC.
	*
	* Copyright (c) 2015, ROCKCHIP CORPORATION. All rights reserved.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms and conditions of the GNU General Public License,
	* version 2, as published by the Free Software Foundation.
	*
	* This program is distributed in the hope it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	* more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	*
	*/

	#include <linux/module.h>
	#include <linux/platform_device.h>
	#include <linux/slab.h>
	#include <linux/gpio.h>
	#include <linux/of_gpio.h>
	#include <linux/delay.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/rt5645.h"

	#define DRV_NAME "rockchip-snd-rt5645"

	static struct snd_soc_jack headset_jack;

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

	static const struct snd_soc_dapm_route rk_audio_map[] = {
	/* Input Lines */
	{"DMIC L2", NULL, "Int Mic"},
	{"DMIC R2", NULL, "Int Mic"},
	{"RECMIXL", NULL, "Headset Mic"},
	{"RECMIXR", NULL, "Headset Mic"},

	/* Output Lines */
	{"Headphones", NULL, "HPOR"},
	{"Headphones", NULL, "HPOL"},
	{"Speakers", NULL, "SPOL"},
	{"Speakers", NULL, "SPOR"},
	};

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

	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_init(struct snd_soc_pcm_runtime *runtime)
	{
	struct snd_soc_card *card = runtime->card;
	int ret;

	/* Enable Headset and 4 Buttons Jack detection */
	ret = snd_soc_card_jack_new(card, "Headset Jack",
	SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE \|
	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	SND_JACK_BTN_2 \| SND_JACK_BTN_3,
	&headset_jack, NULL, 0);
	if (ret) {
	dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret);
	return ret;
	}

	return rt5645_set_jack_detect(runtime->codec_dai->component,
	&headset_jack,
	&headset_jack,
	&headset_jack);
	}

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

	static struct snd_soc_dai_link rk_dailink = {
	.name = "rt5645",
	.stream_name = "rt5645 PCM",
	.codec_dai_name = "rt5645-aif1",
	.init = rk_init,
	.ops = &rk_aif1_ops,
	/* set rt5645 as slave */
	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	SND_SOC_DAIFMT_CBS_CFS,
	};

	static struct snd_soc_card snd_soc_card_rk = {
	.name = "I2S-RT5650",
	.owner = THIS_MODULE,
	.dai_link = &rk_dailink,
	.num_links = 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 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.codec_of_node = of_parse_phandle(np,
	"rockchip,audio-codec", 0);
	if (!rk_dailink.codec_of_node) {
	dev_err(&pdev->dev,
	"Property 'rockchip,audio-codec' missing or invalid\n");
	return -EINVAL;
	}

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

	rk_dailink.platform_of_node = rk_dailink.cpu_of_node;

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

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

	return ret;

	put_cpu_of_node:
	of_node_put(rk_dailink.cpu_of_node);
	rk_dailink.cpu_of_node = NULL;
	put_codec_of_node:
	of_node_put(rk_dailink.codec_of_node);
	rk_dailink.codec_of_node = NULL;

	return ret;
	}

	static int snd_rk_mc_remove(struct platform_device *pdev)
	{
	of_node_put(rk_dailink.cpu_of_node);
	rk_dailink.cpu_of_node = NULL;
	of_node_put(rk_dailink.codec_of_node);
	rk_dailink.codec_of_node = NULL;

	return 0;
	}

	static const struct of_device_id rockchip_rt5645_of_match[] = {
	{ .compatible = "rockchip,rockchip-audio-rt5645", },
	{},
	};

	MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match);

	static struct platform_driver snd_rk_mc_driver = {
	.probe = snd_rk_mc_probe,
	.remove = snd_rk_mc_remove,
	.driver = {
	.name = DRV_NAME,
	.pm = &snd_soc_pm_ops,
	.of_match_table = rockchip_rt5645_of_match,
	},
	};

	module_platform_driver(snd_rk_mc_driver);

	MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
	MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver");
	MODULE_LICENSE("GPL v2");
	MODULE_ALIAS("platform:" DRV_NAME);