[mirror_ubuntu-bionic-kernel.git] / sound / soc / intel / boards / cht_bsw_max98090_ti.c

/*
 *  cht-bsw-max98090.c - ASoc Machine driver for Intel Cherryview-based
 *  platforms Cherrytrail and Braswell, with max98090 & TI codec.
 *
 *  Copyright (C) 2015 Intel Corp
 *  Author: Fang, Yang A <yang.a.fang@intel.com>
 *  This file is modified from cht_bsw_rt5645.c
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that 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.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/clk.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../../codecs/max98090.h"
#include "../atom/sst-atom-controls.h"
#include "../../codecs/ts3a227e.h"

#define CHT_PLAT_CLK_3_HZ	19200000
#define CHT_CODEC_DAI	"HiFi"

struct cht_mc_private {
	struct clk *mclk;
	struct snd_soc_jack jack;
	bool ts3a227e_present;
};

static int platform_clock_control(struct snd_soc_dapm_widget *w,
					  struct snd_kcontrol *k, int  event)
{
	struct snd_soc_dapm_context *dapm = w->dapm;
	struct snd_soc_card *card = dapm->card;
	struct snd_soc_dai *codec_dai;
	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
	int ret;

	codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI);
	if (!codec_dai) {
		dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
		return -EIO;
	}

	if (SND_SOC_DAPM_EVENT_ON(event)) {
		ret = clk_prepare_enable(ctx->mclk);
		if (ret < 0) {
			dev_err(card->dev,
				"could not configure MCLK state");
			return ret;
		}
	} else {
		clk_disable_unprepare(ctx->mclk);
	}

	return 0;
}

static const struct snd_soc_dapm_widget cht_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("Ext Spk", NULL),
	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
			    platform_clock_control, SND_SOC_DAPM_PRE_PMU |
			    SND_SOC_DAPM_POST_PMD),
};

static const struct snd_soc_dapm_route cht_audio_map[] = {
	{"IN34", NULL, "Headset Mic"},
	{"Headset Mic", NULL, "MICBIAS"},
	{"DMICL", NULL, "Int Mic"},
	{"Headphone", NULL, "HPL"},
	{"Headphone", NULL, "HPR"},
	{"Ext Spk", NULL, "SPKL"},
	{"Ext Spk", NULL, "SPKR"},
	{"HiFi Playback", NULL, "ssp2 Tx"},
	{"ssp2 Tx", NULL, "codec_out0"},
	{"ssp2 Tx", NULL, "codec_out1"},
	{"codec_in0", NULL, "ssp2 Rx" },
	{"codec_in1", NULL, "ssp2 Rx" },
	{"ssp2 Rx", NULL, "HiFi Capture"},
	{"Headphone", NULL, "Platform Clock"},
	{"Headset Mic", NULL, "Platform Clock"},
	{"Int Mic", NULL, "Platform Clock"},
	{"Ext Spk", NULL, "Platform Clock"},
};

static const struct snd_kcontrol_new cht_mc_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Int Mic"),
	SOC_DAPM_PIN_SWITCH("Ext Spk"),
};

static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
			     struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK,
				     CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
		return ret;
	}

	return 0;
}

static int cht_ti_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, "SHDN");
		snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
		snd_soc_dapm_sync(dapm);
	} 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 cht_jack_nb = {
	.notifier_call = cht_ti_jack_event,
};

static struct snd_soc_jack_pin hs_jack_pins[] = {
	{
		.pin	= "Headphone",
		.mask	= SND_JACK_HEADPHONE,
	},
	{
		.pin	= "Headset Mic",
		.mask	= SND_JACK_MICROPHONE,
	},
};

static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	{
		.name		= "hp",
		.report		= SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
		.debounce_time	= 200,
	},
	{
		.name		= "mic",
		.invert		= 1,
		.report		= SND_JACK_MICROPHONE,
		.debounce_time	= 200,
	},
};

static const struct acpi_gpio_params hp_gpios = { 0, 0, false };
static const struct acpi_gpio_params mic_gpios = { 1, 0, false };

static const struct acpi_gpio_mapping acpi_max98090_gpios[] = {
	{ "hp-gpios", &hp_gpios, 1 },
	{ "mic-gpios", &mic_gpios, 1 },
	{},
};

static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
{
	int ret;
	int jack_type;
	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
	struct snd_soc_jack *jack = &ctx->jack;

	if (ctx->ts3a227e_present) {
		/*
		 * The jack has already been created in the
		 * cht_max98090_headset_init() function.
		 */
		snd_soc_jack_notifier_register(jack, &cht_jack_nb);
		return 0;
	}

	jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;

	ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
				    jack_type, jack,
				    hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
	if (ret) {
		dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
		return ret;
	}

	ret = snd_soc_jack_add_gpiods(runtime->card->dev->parent, jack,
				      ARRAY_SIZE(hs_jack_gpios),
				      hs_jack_gpios);
	if (ret) {
		/*
		 * flag error but don't bail if jack detect is broken
		 * due to platform issues or bad BIOS/configuration
		 */
		dev_err(runtime->dev,
			"jack detection gpios not added, error %d\n", ret);
	}

	/*
	 * The firmware might enable the clock at
	 * boot (this information may or may not
	 * be reflected in the enable clock register).
	 * To change the rate we must disable the clock
	 * first to cover these cases. Due to common
	 * clock framework restrictions that do not allow
	 * to disable a clock that has not been enabled,
	 * we need to enable the clock first.
	 */
	ret = clk_prepare_enable(ctx->mclk);
	if (!ret)
		clk_disable_unprepare(ctx->mclk);

	ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);

	if (ret)
		dev_err(runtime->dev, "unable to set MCLK rate\n");

	return ret;
}

static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
			    struct snd_pcm_hw_params *params)
{
	struct snd_interval *rate = hw_param_interval(params,
			SNDRV_PCM_HW_PARAM_RATE);
	struct snd_interval *channels = hw_param_interval(params,
						SNDRV_PCM_HW_PARAM_CHANNELS);
	int ret = 0;
	unsigned int fmt = 0;

	ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret);
		return ret;
	}

	fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF
				| SND_SOC_DAIFMT_CBS_CFS;

	ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret);
		return ret;
	}

	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	rate->min = rate->max = 48000;
	channels->min = channels->max = 2;

	/* set SSP2 to 24-bit */
	params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
	return 0;
}

static int cht_aif1_startup(struct snd_pcm_substream *substream)
{
	return snd_pcm_hw_constraint_single(substream->runtime,
			SNDRV_PCM_HW_PARAM_RATE, 48000);
}

static int cht_max98090_headset_init(struct snd_soc_component *component)
{
	struct snd_soc_card *card = component->card;
	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
	struct snd_soc_jack *jack = &ctx->jack;
	int jack_type;
	int ret;

	/*
	 * TI supports 4 butons headset detection
	 * KEY_MEDIA
	 * KEY_VOICECOMMAND
	 * KEY_VOLUMEUP
	 * KEY_VOLUMEDOWN
	 */
	jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
		    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
		    SND_JACK_BTN_2 | SND_JACK_BTN_3;

	ret = snd_soc_card_jack_new(card, "Headset Jack", jack_type,
				    jack, NULL, 0);
	if (ret) {
		dev_err(card->dev, "Headset Jack creation failed %d\n", ret);
		return ret;
	}

	return ts3a227e_enable_jack_detect(component, jack);
}

static const struct snd_soc_ops cht_aif1_ops = {
	.startup = cht_aif1_startup,
};

static const struct snd_soc_ops cht_be_ssp2_ops = {
	.hw_params = cht_aif1_hw_params,
};

static struct snd_soc_aux_dev cht_max98090_headset_dev = {
	.name = "Headset Chip",
	.init = cht_max98090_headset_init,
	.codec_name = "i2c-104C227E:00",
};

static struct snd_soc_dai_link cht_dailink[] = {
	[MERR_DPCM_AUDIO] = {
		.name = "Audio Port",
		.stream_name = "Audio",
		.cpu_dai_name = "media-cpu-dai",
		.codec_dai_name = "snd-soc-dummy-dai",
		.codec_name = "snd-soc-dummy",
		.platform_name = "sst-mfld-platform",
		.nonatomic = true,
		.dynamic = 1,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		.ops = &cht_aif1_ops,
	},
	[MERR_DPCM_DEEP_BUFFER] = {
		.name = "Deep-Buffer Audio Port",
		.stream_name = "Deep-Buffer Audio",
		.cpu_dai_name = "deepbuffer-cpu-dai",
		.codec_dai_name = "snd-soc-dummy-dai",
		.codec_name = "snd-soc-dummy",
		.platform_name = "sst-mfld-platform",
		.nonatomic = true,
		.dynamic = 1,
		.dpcm_playback = 1,
		.ops = &cht_aif1_ops,
	},
	[MERR_DPCM_COMPR] = {
		.name = "Compressed Port",
		.stream_name = "Compress",
		.cpu_dai_name = "compress-cpu-dai",
		.codec_dai_name = "snd-soc-dummy-dai",
		.codec_name = "snd-soc-dummy",
		.platform_name = "sst-mfld-platform",
	},
	/* back ends */
	{
		.name = "SSP2-Codec",
		.id = 1,
		.cpu_dai_name = "ssp2-port",
		.platform_name = "sst-mfld-platform",
		.no_pcm = 1,
		.codec_dai_name = "HiFi",
		.codec_name = "i2c-193C9890:00",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
					| SND_SOC_DAIFMT_CBS_CFS,
		.init = cht_codec_init,
		.be_hw_params_fixup = cht_codec_fixup,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		.ops = &cht_be_ssp2_ops,
	},
};

/* SoC card */
static struct snd_soc_card snd_soc_card_cht = {
	.name = "chtmax98090",
	.owner = THIS_MODULE,
	.dai_link = cht_dailink,
	.num_links = ARRAY_SIZE(cht_dailink),
	.aux_dev = &cht_max98090_headset_dev,
	.num_aux_devs = 1,
	.dapm_widgets = cht_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
	.dapm_routes = cht_audio_map,
	.num_dapm_routes = ARRAY_SIZE(cht_audio_map),
	.controls = cht_mc_controls,
	.num_controls = ARRAY_SIZE(cht_mc_controls),
};

static int snd_cht_mc_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	int ret_val = 0;
	struct cht_mc_private *drv;

	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
	if (!drv)
		return -ENOMEM;

	drv->ts3a227e_present = acpi_dev_found("104C227E");
	if (!drv->ts3a227e_present) {
		/* no need probe TI jack detection chip */
		snd_soc_card_cht.aux_dev = NULL;
		snd_soc_card_cht.num_aux_devs = 0;

		ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
							 acpi_max98090_gpios);
		if (ret_val)
			dev_dbg(dev, "Unable to add GPIO mapping table\n");
	}

	/* register the soc card */
	snd_soc_card_cht.dev = &pdev->dev;
	snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);

	drv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
	if (IS_ERR(drv->mclk)) {
		dev_err(&pdev->dev,
			"Failed to get MCLK from pmc_plt_clk_3: %ld\n",
			PTR_ERR(drv->mclk));
		return PTR_ERR(drv->mclk);
	}

	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
	if (ret_val) {
		dev_err(&pdev->dev,
			"snd_soc_register_card failed %d\n", ret_val);
		return ret_val;
	}
	platform_set_drvdata(pdev, &snd_soc_card_cht);
	return ret_val;
}

static struct platform_driver snd_cht_mc_driver = {
	.driver = {
		.name = "cht-bsw-max98090",
	},
	.probe = snd_cht_mc_probe,
};

module_platform_driver(snd_cht_mc_driver)

MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:cht-bsw-max98090");
Commit	Line	Data
17119a46 FY	1	/*
	2	* cht-bsw-max98090.c - ASoc Machine driver for Intel Cherryview-based
	3	* platforms Cherrytrail and Braswell, with max98090 & TI codec.
	4	*
	5	* Copyright (C) 2015 Intel Corp
	6	* Author: Fang, Yang A <yang.a.fang@intel.com>
	7	* This file is modified from cht_bsw_rt5645.c
	8	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; version 2 of the License.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	20	*/
	21
	22	#include <linux/module.h>
	23	#include <linux/platform_device.h>
	24	#include <linux/slab.h>
	25	#include <linux/acpi.h>
299bad36	26	#include <linux/clk.h>
17119a46 FY	27	#include <sound/pcm.h>
	28	#include <sound/pcm_params.h>
	29	#include <sound/soc.h>
	30	#include <sound/jack.h>
	31	#include "../../codecs/max98090.h"
	32	#include "../atom/sst-atom-controls.h"
	33	#include "../../codecs/ts3a227e.h"
	34
	35	#define CHT_PLAT_CLK_3_HZ 19200000
	36	#define CHT_CODEC_DAI "HiFi"
	37
	38	struct cht_mc_private {
299bad36	39	struct clk *mclk;
17119a46 FY	40	struct snd_soc_jack jack;
	41	bool ts3a227e_present;
	42	};
	43
299bad36 PLB	44	static int platform_clock_control(struct snd_soc_dapm_widget *w,
	45	struct snd_kcontrol *k, int event)
	46	{
	47	struct snd_soc_dapm_context *dapm = w->dapm;
	48	struct snd_soc_card *card = dapm->card;
	49	struct snd_soc_dai *codec_dai;
	50	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
	51	int ret;
	52
dfb6ec7a	53	codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI);
299bad36 PLB	54	if (!codec_dai) {
	55	dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
	56	return -EIO;
	57	}
	58
	59	if (SND_SOC_DAPM_EVENT_ON(event)) {
	60	ret = clk_prepare_enable(ctx->mclk);
	61	if (ret < 0) {
	62	dev_err(card->dev,
	63	"could not configure MCLK state");
	64	return ret;
	65	}
	66	} else {
	67	clk_disable_unprepare(ctx->mclk);
	68	}
	69
	70	return 0;
	71	}
	72
17119a46 FY	73	static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
	74	SND_SOC_DAPM_HP("Headphone", NULL),
	75	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	76	SND_SOC_DAPM_MIC("Int Mic", NULL),
	77	SND_SOC_DAPM_SPK("Ext Spk", NULL),
299bad36 PLB	78	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
	79	platform_clock_control, SND_SOC_DAPM_PRE_PMU \|
	80	SND_SOC_DAPM_POST_PMD),
17119a46 FY	81	};
	82
	83	static const struct snd_soc_dapm_route cht_audio_map[] = {
	84	{"IN34", NULL, "Headset Mic"},
	85	{"Headset Mic", NULL, "MICBIAS"},
	86	{"DMICL", NULL, "Int Mic"},
	87	{"Headphone", NULL, "HPL"},
	88	{"Headphone", NULL, "HPR"},
	89	{"Ext Spk", NULL, "SPKL"},
	90	{"Ext Spk", NULL, "SPKR"},
8bc76c8b	91	{"HiFi Playback", NULL, "ssp2 Tx"},
17119a46 FY	92	{"ssp2 Tx", NULL, "codec_out0"},
	93	{"ssp2 Tx", NULL, "codec_out1"},
	94	{"codec_in0", NULL, "ssp2 Rx" },
	95	{"codec_in1", NULL, "ssp2 Rx" },
8bc76c8b	96	{"ssp2 Rx", NULL, "HiFi Capture"},
299bad36 PLB	97	{"Headphone", NULL, "Platform Clock"},
	98	{"Headset Mic", NULL, "Platform Clock"},
	99	{"Int Mic", NULL, "Platform Clock"},
	100	{"Ext Spk", NULL, "Platform Clock"},
17119a46 FY	101	};
	102
	103	static const struct snd_kcontrol_new cht_mc_controls[] = {
	104	SOC_DAPM_PIN_SWITCH("Headphone"),
	105	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	106	SOC_DAPM_PIN_SWITCH("Int Mic"),
	107	SOC_DAPM_PIN_SWITCH("Ext Spk"),
	108	};
	109
	110	static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
	111	struct snd_pcm_hw_params *params)
	112	{
	113	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	114	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	115	int ret;
	116
	117	ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK,
	118	CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN);
	119	if (ret < 0) {
	120	dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
	121	return ret;
	122	}
	123
	124	return 0;
	125	}
	126
e8ed6702 FY	127	static int cht_ti_jack_event(struct notifier_block *nb,
	128	unsigned long event, void *data)
	129	{
e8ed6702	130	struct snd_soc_jack jack = (struct snd_soc_jack )data;
c68c2be5	131	struct snd_soc_dapm_context *dapm = &jack->card->dapm;
e8ed6702 FY	132
e8ed6702 FY	133	if (event & SND_JACK_MICROPHONE) {
c68c2be5 LPC	134	snd_soc_dapm_force_enable_pin(dapm, "SHDN");
	135	snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
	136	snd_soc_dapm_sync(dapm);
e8ed6702	137	} else {
c68c2be5 LPC	138	snd_soc_dapm_disable_pin(dapm, "MICBIAS");
	139	snd_soc_dapm_disable_pin(dapm, "SHDN");
	140	snd_soc_dapm_sync(dapm);
e8ed6702 FY	141	}
	142
	143	return 0;
	144	}
	145
	146	static struct notifier_block cht_jack_nb = {
	147	.notifier_call = cht_ti_jack_event,
	148	};
	149
355b3552 PLB	150	static struct snd_soc_jack_pin hs_jack_pins[] = {
	151	{
	152	.pin = "Headphone",
	153	.mask = SND_JACK_HEADPHONE,
	154	},
	155	{
	156	.pin = "Headset Mic",
	157	.mask = SND_JACK_MICROPHONE,
	158	},
	159	};
	160
	161	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	162	{
	163	.name = "hp",
	164	.report = SND_JACK_HEADPHONE \| SND_JACK_LINEOUT,
	165	.debounce_time = 200,
	166	},
	167	{
	168	.name = "mic",
	169	.invert = 1,
	170	.report = SND_JACK_MICROPHONE,
	171	.debounce_time = 200,
	172	},
	173	};
	174
	175	static const struct acpi_gpio_params hp_gpios = { 0, 0, false };
	176	static const struct acpi_gpio_params mic_gpios = { 1, 0, false };
	177
	178	static const struct acpi_gpio_mapping acpi_max98090_gpios[] = {
	179	{ "hp-gpios", &hp_gpios, 1 },
	180	{ "mic-gpios", &mic_gpios, 1 },
	181	{},
	182	};
	183
17119a46 FY	184	static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
	185	{
	186	int ret;
	187	int jack_type;
	188	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
	189	struct snd_soc_jack *jack = &ctx->jack;
	190
3bbda5a3 TE	191	if (ctx->ts3a227e_present) {
	192	/*
	193	* The jack has already been created in the
	194	* cht_max98090_headset_init() function.
	195	*/
	196	snd_soc_jack_notifier_register(jack, &cht_jack_nb);
	197	return 0;
	198	}
	199
	200	jack_type = SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE;
17119a46 FY	201
17119a46 FY	202	ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
355b3552 PLB	203	jack_type, jack,
355b3552 PLB	204	hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
17119a46 FY	205	if (ret) {
	206	dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
	207	return ret;
	208	}
	209
355b3552 PLB	210	ret = snd_soc_jack_add_gpiods(runtime->card->dev->parent, jack,
	211	ARRAY_SIZE(hs_jack_gpios),
	212	hs_jack_gpios);
	213	if (ret) {
	214	/*
	215	* flag error but don't bail if jack detect is broken
	216	* due to platform issues or bad BIOS/configuration
	217	*/
	218	dev_err(runtime->dev,
	219	"jack detection gpios not added, error %d\n", ret);
	220	}
	221
299bad36 PLB	222	/*
	223	* The firmware might enable the clock at
	224	* boot (this information may or may not
	225	* be reflected in the enable clock register).
	226	* To change the rate we must disable the clock
	227	* first to cover these cases. Due to common
	228	* clock framework restrictions that do not allow
	229	* to disable a clock that has not been enabled,
	230	* we need to enable the clock first.
	231	*/
	232	ret = clk_prepare_enable(ctx->mclk);
	233	if (!ret)
	234	clk_disable_unprepare(ctx->mclk);
	235
	236	ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
	237
	238	if (ret)
	239	dev_err(runtime->dev, "unable to set MCLK rate\n");
	240
17119a46 FY	241	return ret;
	242	}
	243
	244	static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
	245	struct snd_pcm_hw_params *params)
	246	{
	247	struct snd_interval *rate = hw_param_interval(params,
	248	SNDRV_PCM_HW_PARAM_RATE);
	249	struct snd_interval *channels = hw_param_interval(params,
	250	SNDRV_PCM_HW_PARAM_CHANNELS);
	251	int ret = 0;
	252	unsigned int fmt = 0;
	253
	254	ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
	255	if (ret < 0) {
	256	dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret);
	257	return ret;
	258	}
	259
	260	fmt = SND_SOC_DAIFMT_LEFT_J \| SND_SOC_DAIFMT_NB_NF
	261	\| SND_SOC_DAIFMT_CBS_CFS;
	262
	263	ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
	264	if (ret < 0) {
	265	dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret);
	266	return ret;
	267	}
	268
	269	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	270	rate->min = rate->max = 48000;
	271	channels->min = channels->max = 2;
	272
	273	/* set SSP2 to 24-bit */
26f63c69	274	params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
17119a46 FY	275	return 0;
	276	}
	277
17119a46 FY	278	static int cht_aif1_startup(struct snd_pcm_substream *substream)
17119a46 FY	279	{
a6553a24 LPC	280	return snd_pcm_hw_constraint_single(substream->runtime,
a6553a24 LPC	281	SNDRV_PCM_HW_PARAM_RATE, 48000);
17119a46 FY	282	}
	283
	284	static int cht_max98090_headset_init(struct snd_soc_component *component)
	285	{
	286	struct snd_soc_card *card = component->card;
	287	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
3bbda5a3 TE	288	struct snd_soc_jack *jack = &ctx->jack;
	289	int jack_type;
	290	int ret;
	291
	292	/*
	293	* TI supports 4 butons headset detection
	294	* KEY_MEDIA
	295	* KEY_VOICECOMMAND
	296	* KEY_VOLUMEUP
	297	* KEY_VOLUMEDOWN
	298	*/
	299	jack_type = SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE \|
	300	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	301	SND_JACK_BTN_2 \| SND_JACK_BTN_3;
	302
	303	ret = snd_soc_card_jack_new(card, "Headset Jack", jack_type,
	304	jack, NULL, 0);
	305	if (ret) {
	306	dev_err(card->dev, "Headset Jack creation failed %d\n", ret);
	307	return ret;
	308	}
17119a46	309
0087f201	310	return ts3a227e_enable_jack_detect(component, jack);
17119a46 FY	311	}
17119a46 FY	312
9b6fdef6	313	static const struct snd_soc_ops cht_aif1_ops = {
17119a46 FY	314	.startup = cht_aif1_startup,
	315	};
	316
9b6fdef6	317	static const struct snd_soc_ops cht_be_ssp2_ops = {
17119a46 FY	318	.hw_params = cht_aif1_hw_params,
	319	};
	320
	321	static struct snd_soc_aux_dev cht_max98090_headset_dev = {
	322	.name = "Headset Chip",
	323	.init = cht_max98090_headset_init,
	324	.codec_name = "i2c-104C227E:00",
	325	};
	326
	327	static struct snd_soc_dai_link cht_dailink[] = {
	328	[MERR_DPCM_AUDIO] = {
	329	.name = "Audio Port",
	330	.stream_name = "Audio",
	331	.cpu_dai_name = "media-cpu-dai",
	332	.codec_dai_name = "snd-soc-dummy-dai",
	333	.codec_name = "snd-soc-dummy",
	334	.platform_name = "sst-mfld-platform",
	335	.nonatomic = true,
	336	.dynamic = 1,
	337	.dpcm_playback = 1,
	338	.dpcm_capture = 1,
	339	.ops = &cht_aif1_ops,
	340	},
d35eb96a PLB	341	[MERR_DPCM_DEEP_BUFFER] = {
	342	.name = "Deep-Buffer Audio Port",
	343	.stream_name = "Deep-Buffer Audio",
	344	.cpu_dai_name = "deepbuffer-cpu-dai",
	345	.codec_dai_name = "snd-soc-dummy-dai",
	346	.codec_name = "snd-soc-dummy",
	347	.platform_name = "sst-mfld-platform",
	348	.nonatomic = true,
	349	.dynamic = 1,
	350	.dpcm_playback = 1,
	351	.ops = &cht_aif1_ops,
	352	},
17119a46 FY	353	[MERR_DPCM_COMPR] = {
	354	.name = "Compressed Port",
	355	.stream_name = "Compress",
	356	.cpu_dai_name = "compress-cpu-dai",
	357	.codec_dai_name = "snd-soc-dummy-dai",
	358	.codec_name = "snd-soc-dummy",
	359	.platform_name = "sst-mfld-platform",
	360	},
	361	/* back ends */
	362	{
	363	.name = "SSP2-Codec",
2f0ad491	364	.id = 1,
17119a46 FY	365	.cpu_dai_name = "ssp2-port",
	366	.platform_name = "sst-mfld-platform",
	367	.no_pcm = 1,
	368	.codec_dai_name = "HiFi",
	369	.codec_name = "i2c-193C9890:00",
	370	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
	371	\| SND_SOC_DAIFMT_CBS_CFS,
	372	.init = cht_codec_init,
	373	.be_hw_params_fixup = cht_codec_fixup,
	374	.dpcm_playback = 1,
	375	.dpcm_capture = 1,
	376	.ops = &cht_be_ssp2_ops,
	377	},
	378	};
	379
	380	/* SoC card */
	381	static struct snd_soc_card snd_soc_card_cht = {
	382	.name = "chtmax98090",
54d8697f	383	.owner = THIS_MODULE,
17119a46 FY	384	.dai_link = cht_dailink,
	385	.num_links = ARRAY_SIZE(cht_dailink),
	386	.aux_dev = &cht_max98090_headset_dev,
	387	.num_aux_devs = 1,
	388	.dapm_widgets = cht_dapm_widgets,
	389	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
	390	.dapm_routes = cht_audio_map,
	391	.num_dapm_routes = ARRAY_SIZE(cht_audio_map),
	392	.controls = cht_mc_controls,
	393	.num_controls = ARRAY_SIZE(cht_mc_controls),
	394	};
	395
17119a46 FY	396	static int snd_cht_mc_probe(struct platform_device *pdev)
17119a46 FY	397	{
355b3552	398	struct device *dev = &pdev->dev;
17119a46	399	int ret_val = 0;
17119a46 FY	400	struct cht_mc_private *drv;
	401
	402	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
	403	if (!drv)
	404	return -ENOMEM;
	405
c68ae33e	406	drv->ts3a227e_present = acpi_dev_found("104C227E");
6f08cbda	407	if (!drv->ts3a227e_present) {
17119a46 FY	408	/* no need probe TI jack detection chip */
	409	snd_soc_card_cht.aux_dev = NULL;
	410	snd_soc_card_cht.num_aux_devs = 0;
355b3552 PLB	411
	412	ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
	413	acpi_max98090_gpios);
	414	if (ret_val)
	415	dev_dbg(dev, "Unable to add GPIO mapping table\n");
17119a46 FY	416	}
	417
	418	/* register the soc card */
	419	snd_soc_card_cht.dev = &pdev->dev;
	420	snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
299bad36 PLB	421
	422	drv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
	423	if (IS_ERR(drv->mclk)) {
	424	dev_err(&pdev->dev,
	425	"Failed to get MCLK from pmc_plt_clk_3: %ld\n",
	426	PTR_ERR(drv->mclk));
	427	return PTR_ERR(drv->mclk);
	428	}
	429
17119a46 FY	430	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
	431	if (ret_val) {
	432	dev_err(&pdev->dev,
	433	"snd_soc_register_card failed %d\n", ret_val);
	434	return ret_val;
	435	}
	436	platform_set_drvdata(pdev, &snd_soc_card_cht);
	437	return ret_val;
	438	}
	439
	440	static struct platform_driver snd_cht_mc_driver = {
	441	.driver = {
	442	.name = "cht-bsw-max98090",
	443	},
	444	.probe = snd_cht_mc_probe,
	445	};
	446
	447	module_platform_driver(snd_cht_mc_driver)
	448
	449	MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
	450	MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
	451	MODULE_LICENSE("GPL v2");
	452	MODULE_ALIAS("platform:cht-bsw-max98090");