[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/dmi.h>
#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"

#define QUIRK_PMC_PLT_CLK_0				0x01

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_I2S | 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 16-bit */
	params_set_format(params, SNDRV_PCM_FORMAT_S16_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,
	},
	/* back ends */
	{
		.name = "SSP2-Codec",
		.id = 0,
		.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 const struct dmi_system_id cht_max98090_quirk_table[] = {
	{
		/* Clapper model Chromebook */
		.matches = {
			DMI_MATCH(DMI_PRODUCT_NAME, "Clapper"),
		},
		.driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
	},
	{
		/* Gnawty model Chromebook (Acer Chromebook CB3-111) */
		.matches = {
			DMI_MATCH(DMI_PRODUCT_NAME, "Gnawty"),
		},
		.driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
	},
	{
		/* Swanky model Chromebook (Toshiba Chromebook 2) */
		.matches = {
			DMI_MATCH(DMI_PRODUCT_NAME, "Swanky"),
		},
		.driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
	},
	{}
};

static int snd_cht_mc_probe(struct platform_device *pdev)
{
	const struct dmi_system_id *dmi_id;
	struct device *dev = &pdev->dev;
	int ret_val = 0;
	struct cht_mc_private *drv;
	const char *mclk_name;
	int quirks = 0;

	dmi_id = dmi_first_match(cht_max98090_quirk_table);
	if (dmi_id)
		quirks = (unsigned long)dmi_id->driver_data;

	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);

	if (quirks & QUIRK_PMC_PLT_CLK_0)
		mclk_name = "pmc_plt_clk_0";
	else
		mclk_name = "pmc_plt_clk_3";

	drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
	if (IS_ERR(drv->mclk)) {
		dev_err(&pdev->dev,
			"Failed to get MCLK from %s: %ld\n",
			mclk_name, 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
e7f0b0ec	22	#include <linux/dmi.h>
17119a46 FY	23	#include <linux/module.h>
	24	#include <linux/platform_device.h>
	25	#include <linux/slab.h>
	26	#include <linux/acpi.h>
299bad36	27	#include <linux/clk.h>
17119a46 FY	28	#include <sound/pcm.h>
	29	#include <sound/pcm_params.h>
	30	#include <sound/soc.h>
	31	#include <sound/jack.h>
	32	#include "../../codecs/max98090.h"
	33	#include "../atom/sst-atom-controls.h"
	34	#include "../../codecs/ts3a227e.h"
	35
	36	#define CHT_PLAT_CLK_3_HZ 19200000
	37	#define CHT_CODEC_DAI "HiFi"
	38
e7f0b0ec HG	39	#define QUIRK_PMC_PLT_CLK_0 0x01
e7f0b0ec HG	40
17119a46	41	struct cht_mc_private {
299bad36	42	struct clk *mclk;
17119a46 FY	43	struct snd_soc_jack jack;
	44	bool ts3a227e_present;
	45	};
	46
299bad36 PLB	47	static int platform_clock_control(struct snd_soc_dapm_widget *w,
	48	struct snd_kcontrol *k, int event)
	49	{
	50	struct snd_soc_dapm_context *dapm = w->dapm;
	51	struct snd_soc_card *card = dapm->card;
	52	struct snd_soc_dai *codec_dai;
	53	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
	54	int ret;
	55
dfb6ec7a	56	codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI);
299bad36 PLB	57	if (!codec_dai) {
	58	dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
	59	return -EIO;
	60	}
	61
	62	if (SND_SOC_DAPM_EVENT_ON(event)) {
	63	ret = clk_prepare_enable(ctx->mclk);
	64	if (ret < 0) {
	65	dev_err(card->dev,
	66	"could not configure MCLK state");
	67	return ret;
	68	}
	69	} else {
	70	clk_disable_unprepare(ctx->mclk);
	71	}
	72
	73	return 0;
	74	}
	75
17119a46 FY	76	static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
	77	SND_SOC_DAPM_HP("Headphone", NULL),
	78	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	79	SND_SOC_DAPM_MIC("Int Mic", NULL),
	80	SND_SOC_DAPM_SPK("Ext Spk", NULL),
299bad36 PLB	81	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
	82	platform_clock_control, SND_SOC_DAPM_PRE_PMU \|
	83	SND_SOC_DAPM_POST_PMD),
17119a46 FY	84	};
	85
	86	static const struct snd_soc_dapm_route cht_audio_map[] = {
	87	{"IN34", NULL, "Headset Mic"},
	88	{"Headset Mic", NULL, "MICBIAS"},
	89	{"DMICL", NULL, "Int Mic"},
	90	{"Headphone", NULL, "HPL"},
	91	{"Headphone", NULL, "HPR"},
	92	{"Ext Spk", NULL, "SPKL"},
	93	{"Ext Spk", NULL, "SPKR"},
8bc76c8b	94	{"HiFi Playback", NULL, "ssp2 Tx"},
17119a46 FY	95	{"ssp2 Tx", NULL, "codec_out0"},
	96	{"ssp2 Tx", NULL, "codec_out1"},
	97	{"codec_in0", NULL, "ssp2 Rx" },
	98	{"codec_in1", NULL, "ssp2 Rx" },
8bc76c8b	99	{"ssp2 Rx", NULL, "HiFi Capture"},
299bad36 PLB	100	{"Headphone", NULL, "Platform Clock"},
	101	{"Headset Mic", NULL, "Platform Clock"},
	102	{"Int Mic", NULL, "Platform Clock"},
	103	{"Ext Spk", NULL, "Platform Clock"},
17119a46 FY	104	};
	105
	106	static const struct snd_kcontrol_new cht_mc_controls[] = {
	107	SOC_DAPM_PIN_SWITCH("Headphone"),
	108	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	109	SOC_DAPM_PIN_SWITCH("Int Mic"),
	110	SOC_DAPM_PIN_SWITCH("Ext Spk"),
	111	};
	112
	113	static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
	114	struct snd_pcm_hw_params *params)
	115	{
	116	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	117	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	118	int ret;
	119
	120	ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK,
	121	CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN);
	122	if (ret < 0) {
	123	dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
	124	return ret;
	125	}
	126
	127	return 0;
	128	}
	129
e8ed6702 FY	130	static int cht_ti_jack_event(struct notifier_block *nb,
	131	unsigned long event, void *data)
	132	{
e8ed6702	133	struct snd_soc_jack jack = (struct snd_soc_jack )data;
c68c2be5	134	struct snd_soc_dapm_context *dapm = &jack->card->dapm;
e8ed6702 FY	135
e8ed6702 FY	136	if (event & SND_JACK_MICROPHONE) {
c68c2be5 LPC	137	snd_soc_dapm_force_enable_pin(dapm, "SHDN");
	138	snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
	139	snd_soc_dapm_sync(dapm);
e8ed6702	140	} else {
c68c2be5 LPC	141	snd_soc_dapm_disable_pin(dapm, "MICBIAS");
	142	snd_soc_dapm_disable_pin(dapm, "SHDN");
	143	snd_soc_dapm_sync(dapm);
e8ed6702 FY	144	}
	145
	146	return 0;
	147	}
	148
	149	static struct notifier_block cht_jack_nb = {
	150	.notifier_call = cht_ti_jack_event,
	151	};
	152
355b3552 PLB	153	static struct snd_soc_jack_pin hs_jack_pins[] = {
	154	{
	155	.pin = "Headphone",
	156	.mask = SND_JACK_HEADPHONE,
	157	},
	158	{
	159	.pin = "Headset Mic",
	160	.mask = SND_JACK_MICROPHONE,
	161	},
	162	};
	163
	164	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	165	{
	166	.name = "hp",
	167	.report = SND_JACK_HEADPHONE \| SND_JACK_LINEOUT,
	168	.debounce_time = 200,
	169	},
	170	{
	171	.name = "mic",
	172	.invert = 1,
	173	.report = SND_JACK_MICROPHONE,
	174	.debounce_time = 200,
	175	},
	176	};
	177
	178	static const struct acpi_gpio_params hp_gpios = { 0, 0, false };
	179	static const struct acpi_gpio_params mic_gpios = { 1, 0, false };
	180
	181	static const struct acpi_gpio_mapping acpi_max98090_gpios[] = {
	182	{ "hp-gpios", &hp_gpios, 1 },
	183	{ "mic-gpios", &mic_gpios, 1 },
	184	{},
	185	};
	186
17119a46 FY	187	static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
	188	{
	189	int ret;
	190	int jack_type;
	191	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
	192	struct snd_soc_jack *jack = &ctx->jack;
	193
3bbda5a3 TE	194	if (ctx->ts3a227e_present) {
	195	/*
	196	* The jack has already been created in the
	197	* cht_max98090_headset_init() function.
	198	*/
	199	snd_soc_jack_notifier_register(jack, &cht_jack_nb);
	200	return 0;
	201	}
17119a46	202
3bbda5a3	203	jack_type = SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE;
17119a46	204
17119a46	205	ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
355b3552 PLB	206	jack_type, jack,
355b3552 PLB	207	hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
17119a46 FY	208	if (ret) {
	209	dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
	210	return ret;
	211	}
	212
355b3552 PLB	213	ret = snd_soc_jack_add_gpiods(runtime->card->dev->parent, jack,
	214	ARRAY_SIZE(hs_jack_gpios),
	215	hs_jack_gpios);
	216	if (ret) {
	217	/*
	218	* flag error but don't bail if jack detect is broken
	219	* due to platform issues or bad BIOS/configuration
	220	*/
	221	dev_err(runtime->dev,
	222	"jack detection gpios not added, error %d\n", ret);
	223	}
	224
299bad36 PLB	225	/*
	226	* The firmware might enable the clock at
	227	* boot (this information may or may not
	228	* be reflected in the enable clock register).
	229	* To change the rate we must disable the clock
	230	* first to cover these cases. Due to common
	231	* clock framework restrictions that do not allow
	232	* to disable a clock that has not been enabled,
	233	* we need to enable the clock first.
	234	*/
	235	ret = clk_prepare_enable(ctx->mclk);
	236	if (!ret)
	237	clk_disable_unprepare(ctx->mclk);
	238
	239	ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
	240
	241	if (ret)
	242	dev_err(runtime->dev, "unable to set MCLK rate\n");
e8ed6702	243
17119a46 FY	244	return ret;
	245	}
	246
	247	static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
	248	struct snd_pcm_hw_params *params)
	249	{
	250	struct snd_interval *rate = hw_param_interval(params,
	251	SNDRV_PCM_HW_PARAM_RATE);
	252	struct snd_interval *channels = hw_param_interval(params,
	253	SNDRV_PCM_HW_PARAM_CHANNELS);
	254	int ret = 0;
	255	unsigned int fmt = 0;
	256
	257	ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
	258	if (ret < 0) {
	259	dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret);
	260	return ret;
	261	}
	262
948c5e19	263	fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
17119a46 FY	264	\| SND_SOC_DAIFMT_CBS_CFS;
	265
	266	ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
	267	if (ret < 0) {
	268	dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret);
	269	return ret;
	270	}
	271
	272	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	273	rate->min = rate->max = 48000;
	274	channels->min = channels->max = 2;
	275
948c5e19 PLB	276	/* set SSP2 to 16-bit */
948c5e19 PLB	277	params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
17119a46 FY	278	return 0;
	279	}
	280
17119a46 FY	281	static int cht_aif1_startup(struct snd_pcm_substream *substream)
17119a46 FY	282	{
a6553a24 LPC	283	return snd_pcm_hw_constraint_single(substream->runtime,
a6553a24 LPC	284	SNDRV_PCM_HW_PARAM_RATE, 48000);
17119a46 FY	285	}
	286
	287	static int cht_max98090_headset_init(struct snd_soc_component *component)
	288	{
	289	struct snd_soc_card *card = component->card;
	290	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
3bbda5a3 TE	291	struct snd_soc_jack *jack = &ctx->jack;
	292	int jack_type;
	293	int ret;
17119a46	294
3bbda5a3 TE	295	/*
	296	* TI supports 4 butons headset detection
	297	* KEY_MEDIA
	298	* KEY_VOICECOMMAND
	299	* KEY_VOLUMEUP
	300	* KEY_VOLUMEDOWN
	301	*/
	302	jack_type = SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE \|
	303	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	304	SND_JACK_BTN_2 \| SND_JACK_BTN_3;
	305
	306	ret = snd_soc_card_jack_new(card, "Headset Jack", jack_type,
	307	jack, NULL, 0);
	308	if (ret) {
	309	dev_err(card->dev, "Headset Jack creation failed %d\n", ret);
	310	return ret;
	311	}
17119a46	312
0087f201	313	return ts3a227e_enable_jack_detect(component, jack);
17119a46 FY	314	}
17119a46 FY	315
9b6fdef6	316	static const struct snd_soc_ops cht_aif1_ops = {
17119a46 FY	317	.startup = cht_aif1_startup,
	318	};
	319
9b6fdef6	320	static const struct snd_soc_ops cht_be_ssp2_ops = {
17119a46 FY	321	.hw_params = cht_aif1_hw_params,
	322	};
	323
	324	static struct snd_soc_aux_dev cht_max98090_headset_dev = {
	325	.name = "Headset Chip",
	326	.init = cht_max98090_headset_init,
	327	.codec_name = "i2c-104C227E:00",
	328	};
	329
	330	static struct snd_soc_dai_link cht_dailink[] = {
	331	[MERR_DPCM_AUDIO] = {
	332	.name = "Audio Port",
	333	.stream_name = "Audio",
	334	.cpu_dai_name = "media-cpu-dai",
	335	.codec_dai_name = "snd-soc-dummy-dai",
	336	.codec_name = "snd-soc-dummy",
	337	.platform_name = "sst-mfld-platform",
	338	.nonatomic = true,
	339	.dynamic = 1,
	340	.dpcm_playback = 1,
	341	.dpcm_capture = 1,
	342	.ops = &cht_aif1_ops,
	343	},
d35eb96a PLB	344	[MERR_DPCM_DEEP_BUFFER] = {
	345	.name = "Deep-Buffer Audio Port",
	346	.stream_name = "Deep-Buffer Audio",
	347	.cpu_dai_name = "deepbuffer-cpu-dai",
	348	.codec_dai_name = "snd-soc-dummy-dai",
	349	.codec_name = "snd-soc-dummy",
	350	.platform_name = "sst-mfld-platform",
	351	.nonatomic = true,
	352	.dynamic = 1,
	353	.dpcm_playback = 1,
	354	.ops = &cht_aif1_ops,
	355	},
17119a46 FY	356	/* back ends */
	357	{
	358	.name = "SSP2-Codec",
149f7757	359	.id = 0,
17119a46 FY	360	.cpu_dai_name = "ssp2-port",
	361	.platform_name = "sst-mfld-platform",
	362	.no_pcm = 1,
	363	.codec_dai_name = "HiFi",
	364	.codec_name = "i2c-193C9890:00",
	365	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
	366	\| SND_SOC_DAIFMT_CBS_CFS,
	367	.init = cht_codec_init,
	368	.be_hw_params_fixup = cht_codec_fixup,
	369	.dpcm_playback = 1,
	370	.dpcm_capture = 1,
	371	.ops = &cht_be_ssp2_ops,
	372	},
	373	};
	374
	375	/* SoC card */
	376	static struct snd_soc_card snd_soc_card_cht = {
	377	.name = "chtmax98090",
54d8697f	378	.owner = THIS_MODULE,
17119a46 FY	379	.dai_link = cht_dailink,
	380	.num_links = ARRAY_SIZE(cht_dailink),
	381	.aux_dev = &cht_max98090_headset_dev,
	382	.num_aux_devs = 1,
	383	.dapm_widgets = cht_dapm_widgets,
	384	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
	385	.dapm_routes = cht_audio_map,
	386	.num_dapm_routes = ARRAY_SIZE(cht_audio_map),
	387	.controls = cht_mc_controls,
	388	.num_controls = ARRAY_SIZE(cht_mc_controls),
	389	};
	390
e7f0b0ec	391	static const struct dmi_system_id cht_max98090_quirk_table[] = {
c34db5da HG	392	{
	393	/* Clapper model Chromebook */
	394	.matches = {
	395	DMI_MATCH(DMI_PRODUCT_NAME, "Clapper"),
	396	},
7134ed17 HG	397	.driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
	398	},
	399	{
	400	/* Gnawty model Chromebook (Acer Chromebook CB3-111) */
	401	.matches = {
	402	DMI_MATCH(DMI_PRODUCT_NAME, "Gnawty"),
	403	},
c34db5da HG	404	.driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
c34db5da HG	405	},
e7f0b0ec HG	406	{
	407	/* Swanky model Chromebook (Toshiba Chromebook 2) */
	408	.matches = {
	409	DMI_MATCH(DMI_PRODUCT_NAME, "Swanky"),
	410	},
	411	.driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
	412	},
	413	{}
	414	};
	415
17119a46 FY	416	static int snd_cht_mc_probe(struct platform_device *pdev)
17119a46 FY	417	{
e7f0b0ec	418	const struct dmi_system_id *dmi_id;
355b3552	419	struct device *dev = &pdev->dev;
17119a46	420	int ret_val = 0;
17119a46	421	struct cht_mc_private *drv;
e7f0b0ec HG	422	const char *mclk_name;
	423	int quirks = 0;
	424
	425	dmi_id = dmi_first_match(cht_max98090_quirk_table);
	426	if (dmi_id)
	427	quirks = (unsigned long)dmi_id->driver_data;
17119a46 FY	428
	429	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
	430	if (!drv)
	431	return -ENOMEM;
	432
c68ae33e	433	drv->ts3a227e_present = acpi_dev_found("104C227E");
6f08cbda	434	if (!drv->ts3a227e_present) {
17119a46 FY	435	/* no need probe TI jack detection chip */
	436	snd_soc_card_cht.aux_dev = NULL;
	437	snd_soc_card_cht.num_aux_devs = 0;
355b3552 PLB	438
	439	ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
	440	acpi_max98090_gpios);
	441	if (ret_val)
	442	dev_dbg(dev, "Unable to add GPIO mapping table\n");
17119a46 FY	443	}
	444
	445	/* register the soc card */
	446	snd_soc_card_cht.dev = &pdev->dev;
	447	snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
299bad36	448
e7f0b0ec HG	449	if (quirks & QUIRK_PMC_PLT_CLK_0)
	450	mclk_name = "pmc_plt_clk_0";
	451	else
	452	mclk_name = "pmc_plt_clk_3";
	453
	454	drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
299bad36 PLB	455	if (IS_ERR(drv->mclk)) {
299bad36 PLB	456	dev_err(&pdev->dev,
e7f0b0ec HG	457	"Failed to get MCLK from %s: %ld\n",
e7f0b0ec HG	458	mclk_name, PTR_ERR(drv->mclk));
299bad36 PLB	459	return PTR_ERR(drv->mclk);
	460	}
	461
17119a46 FY	462	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
	463	if (ret_val) {
	464	dev_err(&pdev->dev,
	465	"snd_soc_register_card failed %d\n", ret_val);
	466	return ret_val;
	467	}
	468	platform_set_drvdata(pdev, &snd_soc_card_cht);
	469	return ret_val;
	470	}
	471
	472	static struct platform_driver snd_cht_mc_driver = {
	473	.driver = {
	474	.name = "cht-bsw-max98090",
	475	},
	476	.probe = snd_cht_mc_probe,
	477	};
	478
	479	module_platform_driver(snd_cht_mc_driver)
	480
	481	MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
	482	MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
	483	MODULE_LICENSE("GPL v2");
	484	MODULE_ALIAS("platform:cht-bsw-max98090");