[mirror_ubuntu-zesty-kernel.git] / sound / soc / intel / boards / cht_bsw_rt5645.c

/*
 *  cht-bsw-rt5645.c - ASoc Machine driver for Intel Cherryview-based platforms
 *                     Cherrytrail and Braswell, with RT5645 codec.
 *
 *  Copyright (C) 2015 Intel Corp
 *  Author: Fang, Yang A <yang.a.fang@intel.com>
 *	        N,Harshapriya <harshapriya.n@intel.com>
 *  This file is modified from cht_bsw_rt5672.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/acpi.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/rt5645.h"
#include "../atom/sst-atom-controls.h"
#include "../common/sst-acpi.h"

#define CHT_PLAT_CLK_3_HZ	19200000
#define CHT_CODEC_DAI	"rt5645-aif1"

struct cht_acpi_card {
	char *codec_id;
	int codec_type;
	struct snd_soc_card *soc_card;
};

struct cht_mc_private {
	struct snd_soc_jack jack;
	struct cht_acpi_card *acpi_card;
	char codec_name[16];
};

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_OFF(event))
		return 0;

	/* 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.
	 */
	ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK,
			0, SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
		return ret;
	}

	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_POST_PMD),
};

static const struct snd_soc_dapm_route cht_rt5645_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, "SPOL"},
	{"Ext Spk", NULL, "SPOR"},
	{"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_soc_dapm_route cht_rt5650_audio_map[] = {
	{"IN1P", NULL, "Headset Mic"},
	{"IN1N", NULL, "Headset Mic"},
	{"DMIC L2", NULL, "Int Mic"},
	{"DMIC R2", NULL, "Int Mic"},
	{"Headphone", NULL, "HPOL"},
	{"Headphone", NULL, "HPOR"},
	{"Ext Spk", NULL, "SPOL"},
	{"Ext Spk", NULL, "SPOR"},
	{"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 struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
	{
		.pin	= "Headphone",
		.mask	= SND_JACK_HEADPHONE,
	},
	{
		.pin	= "Headset Mic",
		.mask	= SND_JACK_MICROPHONE,
	},
};

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, RT5645_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;
	}

	ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_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;
	int jack_type;
	struct snd_soc_codec *codec = runtime->codec;
	struct snd_soc_dai *codec_dai = runtime->codec_dai;
	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);

	/* Select clk_i2s1_asrc as ASRC clock source */
	rt5645_sel_asrc_clk_src(codec,
				RT5645_DA_STEREO_FILTER |
				RT5645_DA_MONO_L_FILTER |
				RT5645_DA_MONO_R_FILTER |
				RT5645_AD_STEREO_FILTER,
				RT5645_CLK_SEL_I2S1_ASRC);

	/* 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;
	}

	if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650)
		jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
					SND_JACK_BTN_0 | SND_JACK_BTN_1 |
					SND_JACK_BTN_2 | SND_JACK_BTN_3;
	else
		jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;

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

	rt5645_set_jack_detect(codec, &ctx->jack, &ctx->jack, &ctx->jack);

	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);

	/* 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[] = {
	[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",
	},
	/* CODEC<->CODEC link */
	/* back ends */
	{
		.name = "SSP2-Codec",
		.id = 1,
		.cpu_dai_name = "ssp2-port",
		.platform_name = "sst-mfld-platform",
		.no_pcm = 1,
		.codec_dai_name = "rt5645-aif1",
		.codec_name = "i2c-10EC5645:00",
		.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,
		.nonatomic = true,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		.ops = &cht_be_ssp2_ops,
	},
};

/* SoC card */
static struct snd_soc_card snd_soc_card_chtrt5645 = {
	.name = "chtrt5645",
	.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_rt5645_audio_map,
	.num_dapm_routes = ARRAY_SIZE(cht_rt5645_audio_map),
	.controls = cht_mc_controls,
	.num_controls = ARRAY_SIZE(cht_mc_controls),
};

static struct snd_soc_card snd_soc_card_chtrt5650 = {
	.name = "chtrt5650",
	.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_rt5650_audio_map,
	.num_dapm_routes = ARRAY_SIZE(cht_rt5650_audio_map),
	.controls = cht_mc_controls,
	.num_controls = ARRAY_SIZE(cht_mc_controls),
};

static struct cht_acpi_card snd_soc_cards[] = {
	{"10EC5640", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
	{"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
	{"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
};

static char cht_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */

static int snd_cht_mc_probe(struct platform_device *pdev)
{
	int ret_val = 0;
	int i;
	struct cht_mc_private *drv;
	struct snd_soc_card *card = snd_soc_cards[0].soc_card;
	struct sst_acpi_mach *mach;
	const char *i2c_name = NULL;
	int dai_index = 0;
	bool found = false;

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

	mach = (&pdev->dev)->platform_data;

	for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) {
		if (acpi_dev_found(snd_soc_cards[i].codec_id) &&
			(!strncmp(snd_soc_cards[i].codec_id, mach->id, 8))) {
			dev_dbg(&pdev->dev,
				"found codec %s\n", snd_soc_cards[i].codec_id);
			card = snd_soc_cards[i].soc_card;
			drv->acpi_card = &snd_soc_cards[i];
			found = true;
			break;
		}
	}

	if (!found) {
		dev_err(&pdev->dev, "No matching HID found in supported list\n");
		return -ENODEV;
	}

	card->dev = &pdev->dev;
	sprintf(drv->codec_name, "i2c-%s:00", drv->acpi_card->codec_id);

	/* set correct codec name */
	for (i = 0; i < ARRAY_SIZE(cht_dailink); i++)
		if (!strcmp(card->dai_link[i].codec_name, "i2c-10EC5645:00")) {
			card->dai_link[i].codec_name = drv->codec_name;
			dai_index = i;
		}

	/* fixup codec name based on HID */
	i2c_name = sst_acpi_find_name_from_hid(mach->id);
	if (i2c_name != NULL) {
		snprintf(cht_rt5640_codec_name, sizeof(cht_rt5640_codec_name),
			"%s%s", "i2c-", i2c_name);
		cht_dailink[dai_index].codec_name = cht_rt5640_codec_name;
	}

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

static struct platform_driver snd_cht_mc_driver = {
	.driver = {
		.name = "cht-bsw-rt5645",
	},
	.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,N,Harshapriya");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:cht-bsw-rt5645");
Commit	Line	Data
e18acdc0 FY	1	/*
	2	* cht-bsw-rt5645.c - ASoc Machine driver for Intel Cherryview-based platforms
	3	* Cherrytrail and Braswell, with RT5645 codec.
	4	*
	5	* Copyright (C) 2015 Intel Corp
	6	* Author: Fang, Yang A <yang.a.fang@intel.com>
	7	* N,Harshapriya <harshapriya.n@intel.com>
	8	* This file is modified from cht_bsw_rt5672.c
	9	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License as published by
	13	* the Free Software Foundation; version 2 of the License.
	14	*
	15	* This program is distributed in the hope that it will be useful, but
	16	* WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	18	* General Public License for more details.
	19	*
	20	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	21	*/
	22
	23	#include <linux/module.h>
c4ba51ba	24	#include <linux/acpi.h>
e18acdc0 FY	25	#include <linux/platform_device.h>
	26	#include <linux/slab.h>
	27	#include <sound/pcm.h>
	28	#include <sound/pcm_params.h>
	29	#include <sound/soc.h>
	30	#include <sound/jack.h>
e56c72d5	31	#include "../../codecs/rt5645.h"
b97169da	32	#include "../atom/sst-atom-controls.h"
07d5c17b	33	#include "../common/sst-acpi.h"
e18acdc0 FY	34
	35	#define CHT_PLAT_CLK_3_HZ 19200000
	36	#define CHT_CODEC_DAI "rt5645-aif1"
	37
c4ba51ba FY	38	struct cht_acpi_card {
	39	char *codec_id;
	40	int codec_type;
	41	struct snd_soc_card *soc_card;
	42	};
	43
e18acdc0	44	struct cht_mc_private {
673c4f89	45	struct snd_soc_jack jack;
c4ba51ba	46	struct cht_acpi_card *acpi_card;
a823a179	47	char codec_name[16];
e18acdc0 FY	48	};
	49
	50	static inline struct snd_soc_dai cht_get_codec_dai(struct snd_soc_card card)
	51	{
1a497983	52	struct snd_soc_pcm_runtime *rtd;
e18acdc0	53
1a497983	54	list_for_each_entry(rtd, &card->rtd_list, list) {
e18acdc0 FY	55	if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
	56	strlen(CHT_CODEC_DAI)))
	57	return rtd->codec_dai;
	58	}
	59	return NULL;
	60	}
	61
	62	static int platform_clock_control(struct snd_soc_dapm_widget *w,
	63	struct snd_kcontrol *k, int event)
	64	{
	65	struct snd_soc_dapm_context *dapm = w->dapm;
	66	struct snd_soc_card *card = dapm->card;
	67	struct snd_soc_dai *codec_dai;
	68	int ret;
	69
	70	codec_dai = cht_get_codec_dai(card);
	71	if (!codec_dai) {
	72	dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
	73	return -EIO;
	74	}
	75
	76	if (!SND_SOC_DAPM_EVENT_OFF(event))
	77	return 0;
	78
	79	/* Set codec sysclk source to its internal clock because codec PLL will
	80	* be off when idle and MCLK will also be off by ACPI when codec is
	81	* runtime suspended. Codec needs clock for jack detection and button
	82	* press.
	83	*/
	84	ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK,
	85	0, SND_SOC_CLOCK_IN);
	86	if (ret < 0) {
	87	dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
	88	return ret;
	89	}
	90
	91	return 0;
	92	}
	93
	94	static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
	95	SND_SOC_DAPM_HP("Headphone", NULL),
	96	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	97	SND_SOC_DAPM_MIC("Int Mic", NULL),
	98	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	99	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
	100	platform_clock_control, SND_SOC_DAPM_POST_PMD),
	101	};
	102
c4ba51ba	103	static const struct snd_soc_dapm_route cht_rt5645_audio_map[] = {
e18acdc0 FY	104	{"IN1P", NULL, "Headset Mic"},
	105	{"IN1N", NULL, "Headset Mic"},
	106	{"DMIC L1", NULL, "Int Mic"},
	107	{"DMIC R1", NULL, "Int Mic"},
	108	{"Headphone", NULL, "HPOL"},
	109	{"Headphone", NULL, "HPOR"},
	110	{"Ext Spk", NULL, "SPOL"},
	111	{"Ext Spk", NULL, "SPOR"},
	112	{"AIF1 Playback", NULL, "ssp2 Tx"},
	113	{"ssp2 Tx", NULL, "codec_out0"},
	114	{"ssp2 Tx", NULL, "codec_out1"},
	115	{"codec_in0", NULL, "ssp2 Rx" },
	116	{"codec_in1", NULL, "ssp2 Rx" },
	117	{"ssp2 Rx", NULL, "AIF1 Capture"},
	118	{"Headphone", NULL, "Platform Clock"},
	119	{"Headset Mic", NULL, "Platform Clock"},
	120	{"Int Mic", NULL, "Platform Clock"},
	121	{"Ext Spk", NULL, "Platform Clock"},
	122	};
	123
c4ba51ba FY	124	static const struct snd_soc_dapm_route cht_rt5650_audio_map[] = {
	125	{"IN1P", NULL, "Headset Mic"},
	126	{"IN1N", NULL, "Headset Mic"},
	127	{"DMIC L2", NULL, "Int Mic"},
	128	{"DMIC R2", NULL, "Int Mic"},
	129	{"Headphone", NULL, "HPOL"},
	130	{"Headphone", NULL, "HPOR"},
	131	{"Ext Spk", NULL, "SPOL"},
	132	{"Ext Spk", NULL, "SPOR"},
	133	{"AIF1 Playback", NULL, "ssp2 Tx"},
	134	{"ssp2 Tx", NULL, "codec_out0"},
	135	{"ssp2 Tx", NULL, "codec_out1"},
	136	{"codec_in0", NULL, "ssp2 Rx" },
	137	{"codec_in1", NULL, "ssp2 Rx" },
	138	{"ssp2 Rx", NULL, "AIF1 Capture"},
	139	{"Headphone", NULL, "Platform Clock"},
	140	{"Headset Mic", NULL, "Platform Clock"},
	141	{"Int Mic", NULL, "Platform Clock"},
	142	{"Ext Spk", NULL, "Platform Clock"},
	143	};
	144
e18acdc0 FY	145	static const struct snd_kcontrol_new cht_mc_controls[] = {
	146	SOC_DAPM_PIN_SWITCH("Headphone"),
	147	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	148	SOC_DAPM_PIN_SWITCH("Int Mic"),
	149	SOC_DAPM_PIN_SWITCH("Ext Spk"),
	150	};
	151
2303b32f CC	152	static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
	153	{
	154	.pin = "Headphone",
	155	.mask = SND_JACK_HEADPHONE,
	156	},
	157	{
	158	.pin = "Headset Mic",
	159	.mask = SND_JACK_MICROPHONE,
	160	},
	161	};
	162
e18acdc0 FY	163	static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
	164	struct snd_pcm_hw_params *params)
	165	{
	166	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	167	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	168	int ret;
	169
	170	/* set codec PLL source to the 19.2MHz platform clock (MCLK) */
	171	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
	172	CHT_PLAT_CLK_3_HZ, params_rate(params) * 512);
	173	if (ret < 0) {
	174	dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
	175	return ret;
	176	}
	177
	178	ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
	179	params_rate(params) * 512, SND_SOC_CLOCK_IN);
	180	if (ret < 0) {
	181	dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
	182	return ret;
	183	}
	184
	185	return 0;
	186	}
	187
	188	static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
	189	{
	190	int ret;
673c4f89	191	int jack_type;
e18acdc0 FY	192	struct snd_soc_codec *codec = runtime->codec;
	193	struct snd_soc_dai *codec_dai = runtime->codec_dai;
	194	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
	195
	196	/* Select clk_i2s1_asrc as ASRC clock source */
	197	rt5645_sel_asrc_clk_src(codec,
	198	RT5645_DA_STEREO_FILTER \|
	199	RT5645_DA_MONO_L_FILTER \|
	200	RT5645_DA_MONO_R_FILTER \|
	201	RT5645_AD_STEREO_FILTER,
	202	RT5645_CLK_SEL_I2S1_ASRC);
	203
	204	/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
	205	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24);
	206	if (ret < 0) {
	207	dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
	208	return ret;
	209	}
	210
673c4f89 FY	211	if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650)
	212	jack_type = SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE \|
	213	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	214	SND_JACK_BTN_2 \| SND_JACK_BTN_3;
	215	else
	216	jack_type = SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE;
e18acdc0	217
2303b32f	218	ret = snd_soc_card_jack_new(runtime->card, "Headset",
673c4f89	219	jack_type, &ctx->jack,
2303b32f	220	cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
e18acdc0	221	if (ret) {
673c4f89	222	dev_err(runtime->dev, "Headset jack creation failed %d\n", ret);
e18acdc0 FY	223	return ret;
	224	}
	225
673c4f89	226	rt5645_set_jack_detect(codec, &ctx->jack, &ctx->jack, &ctx->jack);
e18acdc0 FY	227
	228	return ret;
	229	}
	230
	231	static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
	232	struct snd_pcm_hw_params *params)
	233	{
	234	struct snd_interval *rate = hw_param_interval(params,
	235	SNDRV_PCM_HW_PARAM_RATE);
	236	struct snd_interval *channels = hw_param_interval(params,
	237	SNDRV_PCM_HW_PARAM_CHANNELS);
	238
	239	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	240	rate->min = rate->max = 48000;
	241	channels->min = channels->max = 2;
	242
	243	/* set SSP2 to 24-bit */
369a9f5f	244	params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
e18acdc0 FY	245	return 0;
	246	}
	247
e18acdc0 FY	248	static int cht_aif1_startup(struct snd_pcm_substream *substream)
e18acdc0 FY	249	{
3d6a76c4 LPC	250	return snd_pcm_hw_constraint_single(substream->runtime,
3d6a76c4 LPC	251	SNDRV_PCM_HW_PARAM_RATE, 48000);
e18acdc0 FY	252	}
e18acdc0 FY	253
9b6fdef6	254	static const struct snd_soc_ops cht_aif1_ops = {
e18acdc0 FY	255	.startup = cht_aif1_startup,
	256	};
	257
9b6fdef6	258	static const struct snd_soc_ops cht_be_ssp2_ops = {
e18acdc0 FY	259	.hw_params = cht_aif1_hw_params,
	260	};
	261
	262	static struct snd_soc_dai_link cht_dailink[] = {
	263	[MERR_DPCM_AUDIO] = {
	264	.name = "Audio Port",
	265	.stream_name = "Audio",
	266	.cpu_dai_name = "media-cpu-dai",
	267	.codec_dai_name = "snd-soc-dummy-dai",
	268	.codec_name = "snd-soc-dummy",
	269	.platform_name = "sst-mfld-platform",
c4ba51ba	270	.nonatomic = true,
e18acdc0 FY	271	.dynamic = 1,
	272	.dpcm_playback = 1,
	273	.dpcm_capture = 1,
	274	.ops = &cht_aif1_ops,
	275	},
d35eb96a PLB	276	[MERR_DPCM_DEEP_BUFFER] = {
	277	.name = "Deep-Buffer Audio Port",
	278	.stream_name = "Deep-Buffer Audio",
	279	.cpu_dai_name = "deepbuffer-cpu-dai",
	280	.codec_dai_name = "snd-soc-dummy-dai",
	281	.codec_name = "snd-soc-dummy",
	282	.platform_name = "sst-mfld-platform",
	283	.nonatomic = true,
	284	.dynamic = 1,
	285	.dpcm_playback = 1,
	286	.ops = &cht_aif1_ops,
	287	},
e18acdc0 FY	288	[MERR_DPCM_COMPR] = {
	289	.name = "Compressed Port",
	290	.stream_name = "Compress",
	291	.cpu_dai_name = "compress-cpu-dai",
	292	.codec_dai_name = "snd-soc-dummy-dai",
	293	.codec_name = "snd-soc-dummy",
	294	.platform_name = "sst-mfld-platform",
	295	},
	296	/* CODEC<->CODEC link */
	297	/* back ends */
	298	{
	299	.name = "SSP2-Codec",
2f0ad491	300	.id = 1,
e18acdc0 FY	301	.cpu_dai_name = "ssp2-port",
	302	.platform_name = "sst-mfld-platform",
	303	.no_pcm = 1,
	304	.codec_dai_name = "rt5645-aif1",
	305	.codec_name = "i2c-10EC5645:00",
	306	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_IB_NF
	307	\| SND_SOC_DAIFMT_CBS_CFS,
	308	.init = cht_codec_init,
	309	.be_hw_params_fixup = cht_codec_fixup,
c4ba51ba	310	.nonatomic = true,
e18acdc0 FY	311	.dpcm_playback = 1,
	312	.dpcm_capture = 1,
	313	.ops = &cht_be_ssp2_ops,
	314	},
	315	};
	316
	317	/* SoC card */
c4ba51ba	318	static struct snd_soc_card snd_soc_card_chtrt5645 = {
e18acdc0	319	.name = "chtrt5645",
54d8697f	320	.owner = THIS_MODULE,
e18acdc0 FY	321	.dai_link = cht_dailink,
	322	.num_links = ARRAY_SIZE(cht_dailink),
	323	.dapm_widgets = cht_dapm_widgets,
	324	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
c4ba51ba FY	325	.dapm_routes = cht_rt5645_audio_map,
c4ba51ba FY	326	.num_dapm_routes = ARRAY_SIZE(cht_rt5645_audio_map),
e18acdc0 FY	327	.controls = cht_mc_controls,
	328	.num_controls = ARRAY_SIZE(cht_mc_controls),
	329	};
	330
c4ba51ba FY	331	static struct snd_soc_card snd_soc_card_chtrt5650 = {
c4ba51ba FY	332	.name = "chtrt5650",
54d8697f	333	.owner = THIS_MODULE,
c4ba51ba FY	334	.dai_link = cht_dailink,
	335	.num_links = ARRAY_SIZE(cht_dailink),
	336	.dapm_widgets = cht_dapm_widgets,
	337	.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
	338	.dapm_routes = cht_rt5650_audio_map,
	339	.num_dapm_routes = ARRAY_SIZE(cht_rt5650_audio_map),
	340	.controls = cht_mc_controls,
	341	.num_controls = ARRAY_SIZE(cht_mc_controls),
	342	};
	343
	344	static struct cht_acpi_card snd_soc_cards[] = {
07d5c17b	345	{"10EC5640", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
c4ba51ba FY	346	{"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
	347	{"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
	348	};
	349
07d5c17b VK	350	static char cht_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
07d5c17b VK	351
e18acdc0 FY	352	static int snd_cht_mc_probe(struct platform_device *pdev)
	353	{
	354	int ret_val = 0;
c4ba51ba	355	int i;
e18acdc0	356	struct cht_mc_private *drv;
c4ba51ba	357	struct snd_soc_card *card = snd_soc_cards[0].soc_card;
07d5c17b VK	358	struct sst_acpi_mach *mach;
07d5c17b VK	359	const char *i2c_name = NULL;
5d554ea4	360	int dai_index = 0;
2fc7ede5	361	bool found = false;
e18acdc0 FY	362
	363	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
	364	if (!drv)
	365	return -ENOMEM;
	366
2fc7ede5 PLB	367	mach = (&pdev->dev)->platform_data;
2fc7ede5 PLB	368
c4ba51ba	369	for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) {
2fc7ede5 PLB	370	if (acpi_dev_found(snd_soc_cards[i].codec_id) &&
2fc7ede5 PLB	371	(!strncmp(snd_soc_cards[i].codec_id, mach->id, 8))) {
c4ba51ba FY	372	dev_dbg(&pdev->dev,
	373	"found codec %s\n", snd_soc_cards[i].codec_id);
	374	card = snd_soc_cards[i].soc_card;
	375	drv->acpi_card = &snd_soc_cards[i];
2fc7ede5	376	found = true;
c4ba51ba FY	377	break;
	378	}
	379	}
2fc7ede5 PLB	380
	381	if (!found) {
	382	dev_err(&pdev->dev, "No matching HID found in supported list\n");
	383	return -ENODEV;
	384	}
	385
c4ba51ba	386	card->dev = &pdev->dev;
a823a179	387	sprintf(drv->codec_name, "i2c-%s:00", drv->acpi_card->codec_id);
c8560b7c	388
c4ba51ba	389	/* set correct codec name */
c8560b7c	390	for (i = 0; i < ARRAY_SIZE(cht_dailink); i++)
07d5c17b	391	if (!strcmp(card->dai_link[i].codec_name, "i2c-10EC5645:00")) {
a823a179	392	card->dai_link[i].codec_name = drv->codec_name;
07d5c17b VK	393	dai_index = i;
	394	}
	395
	396	/* fixup codec name based on HID */
	397	i2c_name = sst_acpi_find_name_from_hid(mach->id);
	398	if (i2c_name != NULL) {
	399	snprintf(cht_rt5640_codec_name, sizeof(cht_rt5640_codec_name),
	400	"%s%s", "i2c-", i2c_name);
	401	cht_dailink[dai_index].codec_name = cht_rt5640_codec_name;
	402	}
c8560b7c	403
c4ba51ba FY	404	snd_soc_card_set_drvdata(card, drv);
c4ba51ba FY	405	ret_val = devm_snd_soc_register_card(&pdev->dev, card);
e18acdc0 FY	406	if (ret_val) {
	407	dev_err(&pdev->dev,
	408	"snd_soc_register_card failed %d\n", ret_val);
	409	return ret_val;
	410	}
c4ba51ba	411	platform_set_drvdata(pdev, card);
e18acdc0 FY	412	return ret_val;
	413	}
	414
	415	static struct platform_driver snd_cht_mc_driver = {
	416	.driver = {
e18acdc0	417	.name = "cht-bsw-rt5645",
e18acdc0 FY	418	},
	419	.probe = snd_cht_mc_probe,
	420	};
	421
	422	module_platform_driver(snd_cht_mc_driver)
	423
	424	MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
	425	MODULE_AUTHOR("Fang, Yang A,N,Harshapriya");
	426	MODULE_LICENSE("GPL v2");
	427	MODULE_ALIAS("platform:cht-bsw-rt5645");