[mirror_ubuntu-bionic-kernel.git] / sound / soc / intel / boards / cht_bsw_rt5672.c

/*
 *  cht_bsw_rt5672.c - ASoc Machine driver for Intel Cherryview-based platforms
 *                     Cherrytrail and Braswell, with RT5672 codec.
 *
 *  Copyright (C) 2014 Intel Corp
 *  Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
 *          Mengdong Lin <mengdong.lin@intel.com>
 *
 *  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 <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../../codecs/rt5670.h"
#include "../atom/sst-atom-controls.h"
#include "../common/sst-acpi.h"

/* The platform clock #3 outputs 19.2Mhz clock to codec as I2S MCLK */
#define CHT_PLAT_CLK_3_HZ	19200000
#define CHT_CODEC_DAI	"rt5670-aif1"

static struct snd_soc_jack cht_bsw_headset;
static char cht_bsw_codec_name[16];

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

static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card)
{
	struct snd_soc_pcm_runtime *rtd;

	list_for_each_entry(rtd, &card->rtd_list, list) {
		if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
			     strlen(CHT_CODEC_DAI)))
			return rtd->codec_dai;
	}
	return NULL;
}

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;
	int ret;

	codec_dai = cht_get_codec_dai(card);
	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)) {
		/* set codec PLL source to the 19.2MHz platform clock (MCLK) */
		ret = snd_soc_dai_set_pll(codec_dai, 0, RT5670_PLL1_S_MCLK,
				CHT_PLAT_CLK_3_HZ, 48000 * 512);
		if (ret < 0) {
			dev_err(card->dev, "can't set codec pll: %d\n", ret);
			return ret;
		}

		/* set codec sysclk source to PLL */
		ret = snd_soc_dai_set_sysclk(codec_dai, RT5670_SCLK_S_PLL1,
			48000 * 512, SND_SOC_CLOCK_IN);
		if (ret < 0) {
			dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
			return ret;
		}
	} else {
		/* Set codec sysclk source to its internal clock because codec
		 * PLL will be off when idle and MCLK will also be off by ACPI
		 * when codec is runtime suspended. Codec needs clock for jack
		 * detection and button press.
		 */
		snd_soc_dai_set_sysclk(codec_dai, RT5670_SCLK_S_RCCLK,
				       48000 * 512, SND_SOC_CLOCK_IN);
	}
	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[] = {
	{"IN1P", NULL, "Headset Mic"},
	{"IN1N", NULL, "Headset Mic"},
	{"DMIC L1", NULL, "Int Mic"},
	{"DMIC R1", NULL, "Int Mic"},
	{"Headphone", NULL, "HPOL"},
	{"Headphone", NULL, "HPOR"},
	{"Ext Spk", NULL, "SPOLP"},
	{"Ext Spk", NULL, "SPOLN"},
	{"Ext Spk", NULL, "SPORP"},
	{"Ext Spk", NULL, "SPORN"},
	{"AIF1 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, "AIF1 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;

	/* set codec PLL source to the 19.2MHz platform clock (MCLK) */
	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5670_PLL1_S_MCLK,
				  CHT_PLAT_CLK_3_HZ, params_rate(params) * 512);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
		return ret;
	}

	/* set codec sysclk source to PLL */
	ret = snd_soc_dai_set_sysclk(codec_dai, RT5670_SCLK_S_PLL1,
				     params_rate(params) * 512,
				     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_codec_init(struct snd_soc_pcm_runtime *runtime)
{
	int ret;
	struct snd_soc_dai *codec_dai = runtime->codec_dai;
	struct snd_soc_codec *codec = codec_dai->codec;

	/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24);
	if (ret < 0) {
		dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
		return ret;
	}

	/* Select codec ASRC clock source to track I2S1 clock, because codec
	 * is in slave mode and 100fs I2S format (BCLK = 100 * LRCLK) cannot
	 * be supported by RT5672. Otherwise, ASRC will be disabled and cause
	 * noise.
	 */
	rt5670_sel_asrc_clk_src(codec,
				RT5670_DA_STEREO_FILTER
				| RT5670_DA_MONO_L_FILTER
				| RT5670_DA_MONO_R_FILTER
				| RT5670_AD_STEREO_FILTER
				| RT5670_AD_MONO_L_FILTER
				| RT5670_AD_MONO_R_FILTER,
				RT5670_CLK_SEL_I2S1_ASRC);

        ret = snd_soc_card_jack_new(runtime->card, "Headset",
                SND_JACK_HEADSET | SND_JACK_BTN_0 |
                SND_JACK_BTN_1 | SND_JACK_BTN_2, &cht_bsw_headset,
                cht_bsw_headset_pins, ARRAY_SIZE(cht_bsw_headset_pins));
        if (ret)
                return ret;

	rt5670_set_jack_detect(codec, &cht_bsw_headset);
	return 0;
}

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);

	/* 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 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_dai_link cht_dailink[] = {
	/* Front End DAI links */
	[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 End DAI links */
	{
		/* SSP2 - Codec */
		.name = "SSP2-Codec",
		.id = 1,
		.cpu_dai_name = "ssp2-port",
		.platform_name = "sst-mfld-platform",
		.no_pcm = 1,
		.nonatomic = true,
		.codec_dai_name = "rt5670-aif1",
		.codec_name = "i2c-10EC5670:00",
		.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_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,
	},
};

static int cht_suspend_pre(struct snd_soc_card *card)
{
	struct snd_soc_component *component;

	list_for_each_entry(component, &card->component_dev_list, card_list) {
		if (!strcmp(component->name, "i2c-10EC5670:00")) {
			struct snd_soc_codec *codec = snd_soc_component_to_codec(component);

			dev_dbg(codec->dev, "disabling jack detect before going to suspend.\n");
			rt5670_jack_suspend(codec);
			break;
		}
	}
	return 0;
}

static int cht_resume_post(struct snd_soc_card *card)
{
	struct snd_soc_component *component;

	list_for_each_entry(component, &card->component_dev_list, card_list) {
		if (!strcmp(component->name, "i2c-10EC5670:00")) {
			struct snd_soc_codec *codec = snd_soc_component_to_codec(component);

			dev_dbg(codec->dev, "enabling jack detect for resume.\n");
			rt5670_jack_resume(codec);
			break;
		}
	}

	return 0;
}

/* SoC card */
static struct snd_soc_card snd_soc_card_cht = {
	.name = "cherrytrailcraudio",
	.owner = THIS_MODULE,
	.dai_link = cht_dailink,
	.num_links = ARRAY_SIZE(cht_dailink),
	.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),
	.suspend_pre = cht_suspend_pre,
	.resume_post = cht_resume_post,
};

#define RT5672_I2C_DEFAULT	"i2c-10EC5670:00"

static int snd_cht_mc_probe(struct platform_device *pdev)
{
	int ret_val = 0;
	struct sst_acpi_mach *mach = pdev->dev.platform_data;
	const char *i2c_name;
	int i;

	strcpy(cht_bsw_codec_name, RT5672_I2C_DEFAULT);

	/* fixup codec name based on HID */
	if (mach) {
		i2c_name = sst_acpi_find_name_from_hid(mach->id);
		if (i2c_name) {
			snprintf(cht_bsw_codec_name, sizeof(cht_bsw_codec_name),
				 "i2c-%s", i2c_name);
			for (i = 0; i < ARRAY_SIZE(cht_dailink); i++) {
				if (!strcmp(cht_dailink[i].codec_name,
					    RT5672_I2C_DEFAULT)) {
					cht_dailink[i].codec_name =
						cht_bsw_codec_name;
					break;
				}
			}
		}
	}

	/* register the soc card */
	snd_soc_card_cht.dev = &pdev->dev;
	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-rt5672",
	},
	.probe = snd_cht_mc_probe,
};

module_platform_driver(snd_cht_mc_driver);

MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
MODULE_AUTHOR("Subhransu S. Prusty, Mengdong Lin");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:cht-bsw-rt5672");
Commit	Line	Data
026da220 ML	1	/*
	2	* cht_bsw_rt5672.c - ASoc Machine driver for Intel Cherryview-based platforms
	3	* Cherrytrail and Braswell, with RT5672 codec.
	4	*
	5	* Copyright (C) 2014 Intel Corp
	6	* Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
	7	* Mengdong Lin <mengdong.lin@intel.com>
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; version 2 of the License.
	12	*
	13	* This program is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for more details.
	17	*/
	18
	19	#include <linux/module.h>
	20	#include <linux/platform_device.h>
	21	#include <linux/slab.h>
	22	#include <sound/pcm.h>
	23	#include <sound/pcm_params.h>
	24	#include <sound/soc.h>
6b3b58d9	25	#include <sound/jack.h>
e56c72d5	26	#include "../../codecs/rt5670.h"
b97169da	27	#include "../atom/sst-atom-controls.h"
fee3244c	28	#include "../common/sst-acpi.h"
026da220 ML	29
	30	/* The platform clock #3 outputs 19.2Mhz clock to codec as I2S MCLK */
	31	#define CHT_PLAT_CLK_3_HZ 19200000
	32	#define CHT_CODEC_DAI "rt5670-aif1"
	33
6b3b58d9	34	static struct snd_soc_jack cht_bsw_headset;
fee3244c	35	static char cht_bsw_codec_name[16];
6b3b58d9 JY	36
	37	/* Headset jack detection DAPM pins */
	38	static struct snd_soc_jack_pin cht_bsw_headset_pins[] = {
	39	{
	40	.pin = "Headset Mic",
	41	.mask = SND_JACK_MICROPHONE,
	42	},
	43	{
	44	.pin = "Headphone",
	45	.mask = SND_JACK_HEADPHONE,
	46	},
	47	};
	48
026da220 ML	49	static inline struct snd_soc_dai cht_get_codec_dai(struct snd_soc_card card)
026da220 ML	50	{
1a497983	51	struct snd_soc_pcm_runtime *rtd;
026da220	52
1a497983	53	list_for_each_entry(rtd, &card->rtd_list, list) {
026da220 ML	54	if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
	55	strlen(CHT_CODEC_DAI)))
	56	return rtd->codec_dai;
	57	}
	58	return NULL;
	59	}
	60
	61	static int platform_clock_control(struct snd_soc_dapm_widget *w,
	62	struct snd_kcontrol *k, int event)
	63	{
	64	struct snd_soc_dapm_context *dapm = w->dapm;
	65	struct snd_soc_card *card = dapm->card;
	66	struct snd_soc_dai *codec_dai;
8d0c38a3	67	int ret;
026da220 ML	68
	69	codec_dai = cht_get_codec_dai(card);
	70	if (!codec_dai) {
	71	dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
	72	return -EIO;
	73	}
	74
8d0c38a3 JY	75	if (SND_SOC_DAPM_EVENT_ON(event)) {
	76	/* set codec PLL source to the 19.2MHz platform clock (MCLK) */
	77	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5670_PLL1_S_MCLK,
	78	CHT_PLAT_CLK_3_HZ, 48000 * 512);
	79	if (ret < 0) {
	80	dev_err(card->dev, "can't set codec pll: %d\n", ret);
	81	return ret;
	82	}
026da220	83
8d0c38a3 JY	84	/* set codec sysclk source to PLL */
	85	ret = snd_soc_dai_set_sysclk(codec_dai, RT5670_SCLK_S_PLL1,
	86	48000 * 512, SND_SOC_CLOCK_IN);
	87	if (ret < 0) {
	88	dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
	89	return ret;
	90	}
	91	} else {
	92	/* Set codec sysclk source to its internal clock because codec
	93	* PLL will be off when idle and MCLK will also be off by ACPI
	94	* when codec is runtime suspended. Codec needs clock for jack
	95	* detection and button press.
	96	*/
	97	snd_soc_dai_set_sysclk(codec_dai, RT5670_SCLK_S_RCCLK,
	98	48000 * 512, SND_SOC_CLOCK_IN);
	99	}
026da220 ML	100	return 0;
	101	}
	102
	103	static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
	104	SND_SOC_DAPM_HP("Headphone", NULL),
	105	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	106	SND_SOC_DAPM_MIC("Int Mic", NULL),
	107	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	108	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
8d0c38a3 JY	109	platform_clock_control, SND_SOC_DAPM_PRE_PMU \|
8d0c38a3 JY	110	SND_SOC_DAPM_POST_PMD),
026da220 ML	111	};
	112
	113	static const struct snd_soc_dapm_route cht_audio_map[] = {
	114	{"IN1P", NULL, "Headset Mic"},
	115	{"IN1N", NULL, "Headset Mic"},
	116	{"DMIC L1", NULL, "Int Mic"},
	117	{"DMIC R1", NULL, "Int Mic"},
	118	{"Headphone", NULL, "HPOL"},
	119	{"Headphone", NULL, "HPOR"},
	120	{"Ext Spk", NULL, "SPOLP"},
	121	{"Ext Spk", NULL, "SPOLN"},
	122	{"Ext Spk", NULL, "SPORP"},
	123	{"Ext Spk", NULL, "SPORN"},
	124	{"AIF1 Playback", NULL, "ssp2 Tx"},
	125	{"ssp2 Tx", NULL, "codec_out0"},
	126	{"ssp2 Tx", NULL, "codec_out1"},
	127	{"codec_in0", NULL, "ssp2 Rx"},
	128	{"codec_in1", NULL, "ssp2 Rx"},
	129	{"ssp2 Rx", NULL, "AIF1 Capture"},
	130	{"Headphone", NULL, "Platform Clock"},
	131	{"Headset Mic", NULL, "Platform Clock"},
	132	{"Int Mic", NULL, "Platform Clock"},
	133	{"Ext Spk", NULL, "Platform Clock"},
	134	};
	135
	136	static const struct snd_kcontrol_new cht_mc_controls[] = {
	137	SOC_DAPM_PIN_SWITCH("Headphone"),
	138	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	139	SOC_DAPM_PIN_SWITCH("Int Mic"),
	140	SOC_DAPM_PIN_SWITCH("Ext Spk"),
	141	};
	142
	143	static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
	144	struct snd_pcm_hw_params *params)
	145	{
	146	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	147	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	148	int ret;
	149
	150	/* set codec PLL source to the 19.2MHz platform clock (MCLK) */
	151	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5670_PLL1_S_MCLK,
	152	CHT_PLAT_CLK_3_HZ, params_rate(params) * 512);
	153	if (ret < 0) {
	154	dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
	155	return ret;
	156	}
	157
	158	/* set codec sysclk source to PLL */
	159	ret = snd_soc_dai_set_sysclk(codec_dai, RT5670_SCLK_S_PLL1,
	160	params_rate(params) * 512,
	161	SND_SOC_CLOCK_IN);
	162	if (ret < 0) {
	163	dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
	164	return ret;
	165	}
	166	return 0;
	167	}
	168
	169	static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
	170	{
	171	int ret;
	172	struct snd_soc_dai *codec_dai = runtime->codec_dai;
eb55fab9	173	struct snd_soc_codec *codec = codec_dai->codec;
026da220 ML	174
	175	/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
	176	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24);
	177	if (ret < 0) {
	178	dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
	179	return ret;
	180	}
	181
eb55fab9 ML	182	/* Select codec ASRC clock source to track I2S1 clock, because codec
	183	* is in slave mode and 100fs I2S format (BCLK = 100 * LRCLK) cannot
	184	* be supported by RT5672. Otherwise, ASRC will be disabled and cause
	185	* noise.
	186	*/
	187	rt5670_sel_asrc_clk_src(codec,
	188	RT5670_DA_STEREO_FILTER
	189	\| RT5670_DA_MONO_L_FILTER
	190	\| RT5670_DA_MONO_R_FILTER
	191	\| RT5670_AD_STEREO_FILTER
	192	\| RT5670_AD_MONO_L_FILTER
	193	\| RT5670_AD_MONO_R_FILTER,
	194	RT5670_CLK_SEL_I2S1_ASRC);
6b3b58d9 JY	195
	196	ret = snd_soc_card_jack_new(runtime->card, "Headset",
	197	SND_JACK_HEADSET \| SND_JACK_BTN_0 \|
	198	SND_JACK_BTN_1 \| SND_JACK_BTN_2, &cht_bsw_headset,
	199	cht_bsw_headset_pins, ARRAY_SIZE(cht_bsw_headset_pins));
	200	if (ret)
	201	return ret;
	202
	203	rt5670_set_jack_detect(codec, &cht_bsw_headset);
026da220 ML	204	return 0;
	205	}
	206
	207	static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
	208	struct snd_pcm_hw_params *params)
	209	{
	210	struct snd_interval *rate = hw_param_interval(params,
	211	SNDRV_PCM_HW_PARAM_RATE);
	212	struct snd_interval *channels = hw_param_interval(params,
	213	SNDRV_PCM_HW_PARAM_CHANNELS);
	214
	215	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	216	rate->min = rate->max = 48000;
	217	channels->min = channels->max = 2;
	218
	219	/* set SSP2 to 24-bit */
369a9f5f	220	params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
026da220 ML	221	return 0;
	222	}
	223
026da220 ML	224	static int cht_aif1_startup(struct snd_pcm_substream *substream)
026da220 ML	225	{
a5be88f6 LPC	226	return snd_pcm_hw_constraint_single(substream->runtime,
a5be88f6 LPC	227	SNDRV_PCM_HW_PARAM_RATE, 48000);
026da220 ML	228	}
026da220 ML	229
9b6fdef6	230	static const struct snd_soc_ops cht_aif1_ops = {
026da220 ML	231	.startup = cht_aif1_startup,
	232	};
	233
9b6fdef6	234	static const struct snd_soc_ops cht_be_ssp2_ops = {
026da220 ML	235	.hw_params = cht_aif1_hw_params,
	236	};
	237
	238	static struct snd_soc_dai_link cht_dailink[] = {
	239	/* Front End DAI links */
	240	[MERR_DPCM_AUDIO] = {
	241	.name = "Audio Port",
	242	.stream_name = "Audio",
	243	.cpu_dai_name = "media-cpu-dai",
	244	.codec_dai_name = "snd-soc-dummy-dai",
	245	.codec_name = "snd-soc-dummy",
	246	.platform_name = "sst-mfld-platform",
76ca1c2c	247	.nonatomic = true,
026da220 ML	248	.dynamic = 1,
	249	.dpcm_playback = 1,
	250	.dpcm_capture = 1,
	251	.ops = &cht_aif1_ops,
	252	},
d35eb96a PLB	253	[MERR_DPCM_DEEP_BUFFER] = {
	254	.name = "Deep-Buffer Audio Port",
	255	.stream_name = "Deep-Buffer Audio",
	256	.cpu_dai_name = "deepbuffer-cpu-dai",
	257	.codec_dai_name = "snd-soc-dummy-dai",
	258	.codec_name = "snd-soc-dummy",
	259	.platform_name = "sst-mfld-platform",
	260	.nonatomic = true,
	261	.dynamic = 1,
	262	.dpcm_playback = 1,
	263	.ops = &cht_aif1_ops,
	264	},
026da220 ML	265	[MERR_DPCM_COMPR] = {
	266	.name = "Compressed Port",
	267	.stream_name = "Compress",
	268	.cpu_dai_name = "compress-cpu-dai",
	269	.codec_dai_name = "snd-soc-dummy-dai",
	270	.codec_name = "snd-soc-dummy",
	271	.platform_name = "sst-mfld-platform",
	272	},
	273
	274	/* Back End DAI links */
	275	{
	276	/* SSP2 - Codec */
	277	.name = "SSP2-Codec",
2f0ad491	278	.id = 1,
026da220 ML	279	.cpu_dai_name = "ssp2-port",
	280	.platform_name = "sst-mfld-platform",
	281	.no_pcm = 1,
76ca1c2c	282	.nonatomic = true,
026da220 ML	283	.codec_dai_name = "rt5670-aif1",
	284	.codec_name = "i2c-10EC5670:00",
	285	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_IB_NF
	286	\| SND_SOC_DAIFMT_CBS_CFS,
	287	.init = cht_codec_init,
	288	.be_hw_params_fixup = cht_codec_fixup,
026da220 ML	289	.dpcm_playback = 1,
	290	.dpcm_capture = 1,
	291	.ops = &cht_be_ssp2_ops,
	292	},
	293	};
	294
066d7b87 JY	295	static int cht_suspend_pre(struct snd_soc_card *card)
066d7b87 JY	296	{
d9fc4063 KM	297	struct snd_soc_component *component;
	298
	299	list_for_each_entry(component, &card->component_dev_list, card_list) {
	300	if (!strcmp(component->name, "i2c-10EC5670:00")) {
	301	struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
066d7b87	302
066d7b87 JY	303	dev_dbg(codec->dev, "disabling jack detect before going to suspend.\n");
	304	rt5670_jack_suspend(codec);
	305	break;
	306	}
	307	}
	308	return 0;
	309	}
	310
	311	static int cht_resume_post(struct snd_soc_card *card)
	312	{
d9fc4063 KM	313	struct snd_soc_component *component;
	314
	315	list_for_each_entry(component, &card->component_dev_list, card_list) {
	316	if (!strcmp(component->name, "i2c-10EC5670:00")) {
	317	struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
066d7b87	318
066d7b87 JY	319	dev_dbg(codec->dev, "enabling jack detect for resume.\n");
	320	rt5670_jack_resume(codec);
	321	break;
	322	}
	323	}
	324
	325	return 0;
	326	}
	327
026da220 ML	328	/* SoC card */
	329	static struct snd_soc_card snd_soc_card_cht = {
	330	.name = "cherrytrailcraudio",
54d8697f	331	.owner = THIS_MODULE,
026da220 ML	332	.dai_link = cht_dailink,
	333	.num_links = ARRAY_SIZE(cht_dailink),
	334	.dapm_widgets = cht_dapm_widgets,
	335	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
	336	.dapm_routes = cht_audio_map,
	337	.num_dapm_routes = ARRAY_SIZE(cht_audio_map),
	338	.controls = cht_mc_controls,
	339	.num_controls = ARRAY_SIZE(cht_mc_controls),
066d7b87 JY	340	.suspend_pre = cht_suspend_pre,
066d7b87 JY	341	.resume_post = cht_resume_post,
026da220 ML	342	};
026da220 ML	343
fee3244c TI	344	#define RT5672_I2C_DEFAULT "i2c-10EC5670:00"
fee3244c TI	345
026da220 ML	346	static int snd_cht_mc_probe(struct platform_device *pdev)
	347	{
	348	int ret_val = 0;
fee3244c TI	349	struct sst_acpi_mach *mach = pdev->dev.platform_data;
	350	const char *i2c_name;
	351	int i;
	352
	353	strcpy(cht_bsw_codec_name, RT5672_I2C_DEFAULT);
	354
	355	/* fixup codec name based on HID */
	356	if (mach) {
	357	i2c_name = sst_acpi_find_name_from_hid(mach->id);
	358	if (i2c_name) {
	359	snprintf(cht_bsw_codec_name, sizeof(cht_bsw_codec_name),
	360	"i2c-%s", i2c_name);
	361	for (i = 0; i < ARRAY_SIZE(cht_dailink); i++) {
	362	if (!strcmp(cht_dailink[i].codec_name,
	363	RT5672_I2C_DEFAULT)) {
	364	cht_dailink[i].codec_name =
	365	cht_bsw_codec_name;
	366	break;
	367	}
	368	}
	369	}
	370	}
026da220 ML	371
	372	/* register the soc card */
	373	snd_soc_card_cht.dev = &pdev->dev;
	374	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
	375	if (ret_val) {
	376	dev_err(&pdev->dev,
	377	"snd_soc_register_card failed %d\n", ret_val);
	378	return ret_val;
	379	}
	380	platform_set_drvdata(pdev, &snd_soc_card_cht);
	381	return ret_val;
	382	}
	383
	384	static struct platform_driver snd_cht_mc_driver = {
	385	.driver = {
026da220	386	.name = "cht-bsw-rt5672",
026da220 ML	387	},
	388	.probe = snd_cht_mc_probe,
	389	};
	390
	391	module_platform_driver(snd_cht_mc_driver);
	392
	393	MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
	394	MODULE_AUTHOR("Subhransu S. Prusty, Mengdong Lin");
	395	MODULE_LICENSE("GPL v2");
	396	MODULE_ALIAS("platform:cht-bsw-rt5672");