[deliverable/linux.git] / sound / soc / intel / boards / bytcr_rt5640.c

/*
 *  byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
 *
 *  Copyright (C) 2014 Intel Corp
 *  Author: Subhransu S. Prusty <subhransu.s.prusty@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/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/dmi.h>
#include <linux/slab.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../../codecs/rt5640.h"
#include "../atom/sst-atom-controls.h"
#include "../common/sst-acpi.h"

static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Internal Mic", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
};

static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
	{"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"},

	{"Headset Mic", NULL, "MICBIAS1"},
	{"IN2P", NULL, "Headset Mic"},
	{"Headphone", NULL, "HPOL"},
	{"Headphone", NULL, "HPOR"},
	{"Speaker", NULL, "SPOLP"},
	{"Speaker", NULL, "SPOLN"},
	{"Speaker", NULL, "SPORP"},
	{"Speaker", NULL, "SPORN"},
};

static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
	{"DMIC1", NULL, "Internal Mic"},
};

static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
	{"DMIC2", NULL, "Internal Mic"},
};

static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
	{"Internal Mic", NULL, "MICBIAS1"},
	{"IN1P", NULL, "Internal Mic"},
};

enum {
	BYT_RT5640_DMIC1_MAP,
	BYT_RT5640_DMIC2_MAP,
	BYT_RT5640_IN1_MAP,
};

#define BYT_RT5640_MAP(quirk)	((quirk) & 0xff)
#define BYT_RT5640_DMIC_EN	BIT(16)

static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP |
					BYT_RT5640_DMIC_EN;

static const struct snd_kcontrol_new byt_rt5640_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Internal Mic"),
	SOC_DAPM_PIN_SWITCH("Speaker"),
};

static int byt_rt5640_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;

	snd_soc_dai_set_bclk_ratio(codec_dai, 50);

	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
				     params_rate(params) * 512,
				     SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set codec clock %d\n", ret);
		return ret;
	}

	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1,
				  params_rate(params) * 50,
				  params_rate(params) * 512);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
		return ret;
	}

	return 0;
}

static int byt_rt5640_quirk_cb(const struct dmi_system_id *id)
{
	byt_rt5640_quirk = (unsigned long)id->driver_data;
	return 1;
}

static const struct dmi_system_id byt_rt5640_quirk_table[] = {
	{
		.callback = byt_rt5640_quirk_cb,
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
			DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"),
		},
		.driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
	},
	{
		.callback = byt_rt5640_quirk_cb,
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "DellInc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
		},
		.driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP |
						 BYT_RT5640_DMIC_EN),
	},
	{}
};

static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
{
	int ret;
	struct snd_soc_codec *codec = runtime->codec;
	struct snd_soc_card *card = runtime->card;
	const struct snd_soc_dapm_route *custom_map;
	int num_routes;

	card->dapm.idle_bias_off = true;

	rt5640_sel_asrc_clk_src(codec,
				RT5640_DA_STEREO_FILTER |
				RT5640_AD_STEREO_FILTER,
				RT5640_CLK_SEL_ASRC);

	ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
					ARRAY_SIZE(byt_rt5640_controls));
	if (ret) {
		dev_err(card->dev, "unable to add card controls\n");
		return ret;
	}

	dmi_check_system(byt_rt5640_quirk_table);
	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
	case BYT_RT5640_IN1_MAP:
		custom_map = byt_rt5640_intmic_in1_map;
		num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
		break;
	case BYT_RT5640_DMIC2_MAP:
		custom_map = byt_rt5640_intmic_dmic2_map;
		num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
		break;
	default:
		custom_map = byt_rt5640_intmic_dmic1_map;
		num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
	}

	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
	if (ret)
		return ret;

	if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) {
		ret = rt5640_dmic_enable(codec, 0, 0);
		if (ret)
			return ret;
	}

	snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
	snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");

	return ret;
}

static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
	.formats = SNDRV_PCM_FMTBIT_S24_LE,
	.rate_min = 48000,
	.rate_max = 48000,
	.channels_min = 2,
	.channels_max = 2,
};

static int byt_rt5640_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;

	/* 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);

	/*
	 * Default mode for SSP configuration is TDM 4 slot, override config
	 * with explicit setting to I2S 2ch 24-bit. The word length is set with
	 * dai_set_tdm_slot() since there is no other API exposed
	 */
	ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
				  SND_SOC_DAIFMT_I2S     |
				  SND_SOC_DAIFMT_NB_IF   |
				  SND_SOC_DAIFMT_CBS_CFS
				  );
	if (ret < 0) {
		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
		return ret;
	}

	ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
		return ret;
	}

	return 0;
}

static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
{
	return snd_pcm_hw_constraint_single(substream->runtime,
			SNDRV_PCM_HW_PARAM_RATE, 48000);
}

static struct snd_soc_ops byt_rt5640_aif1_ops = {
	.startup = byt_rt5640_aif1_startup,
};

static struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
	.hw_params = byt_rt5640_aif1_hw_params,
};

static struct snd_soc_dai_link byt_rt5640_dais[] = {
	[MERR_DPCM_AUDIO] = {
		.name = "Baytrail Audio Port",
		.stream_name = "Baytrail Audio",
		.cpu_dai_name = "media-cpu-dai",
		.codec_dai_name = "snd-soc-dummy-dai",
		.codec_name = "snd-soc-dummy",
		.platform_name = "sst-mfld-platform",
		.ignore_suspend = 1,
		.dynamic = 1,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		.ops = &byt_rt5640_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",
		.ignore_suspend = 1,
		.nonatomic = true,
		.dynamic = 1,
		.dpcm_playback = 1,
		.ops = &byt_rt5640_aif1_ops,
	},
	[MERR_DPCM_COMPR] = {
		.name = "Baytrail Compressed Port",
		.stream_name = "Baytrail 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",
		.be_id = 1,
		.cpu_dai_name = "ssp2-port",
		.platform_name = "sst-mfld-platform",
		.no_pcm = 1,
		.codec_dai_name = "rt5640-aif1",
		.codec_name = "i2c-10EC5640:00",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
						| SND_SOC_DAIFMT_CBS_CFS,
		.be_hw_params_fixup = byt_rt5640_codec_fixup,
		.ignore_suspend = 1,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		.init = byt_rt5640_init,
		.ops = &byt_rt5640_be_ssp2_ops,
	},
};

/* SoC card */
static struct snd_soc_card byt_rt5640_card = {
	.name = "bytcr-rt5640",
	.owner = THIS_MODULE,
	.dai_link = byt_rt5640_dais,
	.num_links = ARRAY_SIZE(byt_rt5640_dais),
	.dapm_widgets = byt_rt5640_widgets,
	.num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
	.dapm_routes = byt_rt5640_audio_map,
	.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
	.fully_routed = true,
};

static char byt_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */

static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
{
	int ret_val = 0;
	struct sst_acpi_mach *mach;

	/* register the soc card */
	byt_rt5640_card.dev = &pdev->dev;
	mach = byt_rt5640_card.dev->platform_data;

	/* fixup codec name based on HID */
	snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
		 "%s%s%s", "i2c-", mach->id, ":00");
	byt_rt5640_dais[MERR_DPCM_COMPR+1].codec_name = byt_rt5640_codec_name;

	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);

	if (ret_val) {
		dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
			ret_val);
		return ret_val;
	}
	platform_set_drvdata(pdev, &byt_rt5640_card);
	return ret_val;
}

static struct platform_driver snd_byt_rt5640_mc_driver = {
	.driver = {
		.name = "bytcr_rt5640",
		.pm = &snd_soc_pm_ops,
	},
	.probe = snd_byt_rt5640_mc_probe,
};

module_platform_driver(snd_byt_rt5640_mc_driver);

MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:bytcr_rt5640");
Commit	Line	Data
996cc849 SP	1	/*
	2	* byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
	3	*
	4	* Copyright (C) 2014 Intel Corp
	5	* Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
	6	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; version 2 of the License.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	18	*/
	19
	20	#include <linux/init.h>
	21	#include <linux/module.h>
	22	#include <linux/platform_device.h>
a2d5563b	23	#include <linux/acpi.h>
996cc849	24	#include <linux/device.h>
a2d5563b	25	#include <linux/dmi.h>
996cc849	26	#include <linux/slab.h>
996cc849 SP	27	#include <sound/pcm.h>
	28	#include <sound/pcm_params.h>
	29	#include <sound/soc.h>
a2d5563b	30	#include <sound/jack.h>
e56c72d5	31	#include "../../codecs/rt5640.h"
b97169da	32	#include "../atom/sst-atom-controls.h"
caf94ed8	33	#include "../common/sst-acpi.h"
996cc849	34
a2d5563b	35	static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
996cc849 SP	36	SND_SOC_DAPM_HP("Headphone", NULL),
996cc849 SP	37	SND_SOC_DAPM_MIC("Headset Mic", NULL),
e2be1da0 PLB	38	SND_SOC_DAPM_MIC("Internal Mic", NULL),
e2be1da0 PLB	39	SND_SOC_DAPM_SPK("Speaker", NULL),
996cc849 SP	40	};
996cc849 SP	41
a2d5563b	42	static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
9fd57471 PLB	43	{"AIF1 Playback", NULL, "ssp2 Tx"},
	44	{"ssp2 Tx", NULL, "codec_out0"},
	45	{"ssp2 Tx", NULL, "codec_out1"},
	46	{"codec_in0", NULL, "ssp2 Rx"},
	47	{"codec_in1", NULL, "ssp2 Rx"},
	48	{"ssp2 Rx", NULL, "AIF1 Capture"},
	49
996cc849	50	{"Headset Mic", NULL, "MICBIAS1"},
e2be1da0	51	{"IN2P", NULL, "Headset Mic"},
996cc849 SP	52	{"Headphone", NULL, "HPOL"},
996cc849 SP	53	{"Headphone", NULL, "HPOR"},
e2be1da0 PLB	54	{"Speaker", NULL, "SPOLP"},
	55	{"Speaker", NULL, "SPOLN"},
	56	{"Speaker", NULL, "SPORP"},
	57	{"Speaker", NULL, "SPORN"},
996cc849 SP	58	};
996cc849 SP	59
a2d5563b PLB	60	static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
	61	{"DMIC1", NULL, "Internal Mic"},
	62	};
	63
	64	static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
	65	{"DMIC2", NULL, "Internal Mic"},
	66	};
	67
	68	static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
	69	{"Internal Mic", NULL, "MICBIAS1"},
	70	{"IN1P", NULL, "Internal Mic"},
	71	};
	72
	73	enum {
	74	BYT_RT5640_DMIC1_MAP,
	75	BYT_RT5640_DMIC2_MAP,
	76	BYT_RT5640_IN1_MAP,
	77	};
	78
	79	#define BYT_RT5640_MAP(quirk) ((quirk) & 0xff)
	80	#define BYT_RT5640_DMIC_EN BIT(16)
	81
	82	static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP \|
	83	BYT_RT5640_DMIC_EN;
	84
	85	static const struct snd_kcontrol_new byt_rt5640_controls[] = {
996cc849 SP	86	SOC_DAPM_PIN_SWITCH("Headphone"),
996cc849 SP	87	SOC_DAPM_PIN_SWITCH("Headset Mic"),
e2be1da0 PLB	88	SOC_DAPM_PIN_SWITCH("Internal Mic"),
e2be1da0 PLB	89	SOC_DAPM_PIN_SWITCH("Speaker"),
996cc849 SP	90	};
996cc849 SP	91
a2d5563b	92	static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
996cc849 SP	93	struct snd_pcm_hw_params *params)
	94	{
	95	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	96	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	97	int ret;
	98
	99	snd_soc_dai_set_bclk_ratio(codec_dai, 50);
	100
	101	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
	102	params_rate(params) * 512,
	103	SND_SOC_CLOCK_IN);
	104	if (ret < 0) {
	105	dev_err(rtd->dev, "can't set codec clock %d\n", ret);
	106	return ret;
	107	}
	108
	109	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1,
	110	params_rate(params) * 50,
	111	params_rate(params) * 512);
	112	if (ret < 0) {
	113	dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
	114	return ret;
	115	}
	116
	117	return 0;
	118	}
	119
a2d5563b PLB	120	static int byt_rt5640_quirk_cb(const struct dmi_system_id *id)
	121	{
	122	byt_rt5640_quirk = (unsigned long)id->driver_data;
	123	return 1;
	124	}
	125
	126	static const struct dmi_system_id byt_rt5640_quirk_table[] = {
	127	{
	128	.callback = byt_rt5640_quirk_cb,
	129	.matches = {
	130	DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
	131	DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"),
	132	},
	133	.driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
	134	},
	135	{
	136	.callback = byt_rt5640_quirk_cb,
	137	.matches = {
	138	DMI_MATCH(DMI_SYS_VENDOR, "DellInc."),
	139	DMI_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
	140	},
	141	.driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP \|
	142	BYT_RT5640_DMIC_EN),
	143	},
	144	{}
	145	};
	146
9fd57471 PLB	147	static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
	148	{
	149	int ret;
	150	struct snd_soc_codec *codec = runtime->codec;
	151	struct snd_soc_card *card = runtime->card;
	152	const struct snd_soc_dapm_route *custom_map;
	153	int num_routes;
	154
	155	card->dapm.idle_bias_off = true;
	156
0ec66e2d PLB	157	rt5640_sel_asrc_clk_src(codec,
	158	RT5640_DA_STEREO_FILTER \|
	159	RT5640_AD_STEREO_FILTER,
	160	RT5640_CLK_SEL_ASRC);
	161
9fd57471 PLB	162	ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
	163	ARRAY_SIZE(byt_rt5640_controls));
	164	if (ret) {
	165	dev_err(card->dev, "unable to add card controls\n");
	166	return ret;
	167	}
	168
	169	dmi_check_system(byt_rt5640_quirk_table);
	170	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
	171	case BYT_RT5640_IN1_MAP:
	172	custom_map = byt_rt5640_intmic_in1_map;
	173	num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
	174	break;
	175	case BYT_RT5640_DMIC2_MAP:
	176	custom_map = byt_rt5640_intmic_dmic2_map;
	177	num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
	178	break;
	179	default:
	180	custom_map = byt_rt5640_intmic_dmic1_map;
	181	num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
	182	}
	183
	184	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
	185	if (ret)
	186	return ret;
	187
	188	if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) {
	189	ret = rt5640_dmic_enable(codec, 0, 0);
	190	if (ret)
	191	return ret;
	192	}
	193
	194	snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
	195	snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
	196
	197	return ret;
	198	}
	199
a2d5563b	200	static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
996cc849 SP	201	.formats = SNDRV_PCM_FMTBIT_S24_LE,
	202	.rate_min = 48000,
	203	.rate_max = 48000,
	204	.channels_min = 2,
	205	.channels_max = 2,
	206	};
	207
a2d5563b	208	static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
996cc849 SP	209	struct snd_pcm_hw_params *params)
	210	{
	211	struct snd_interval *rate = hw_param_interval(params,
	212	SNDRV_PCM_HW_PARAM_RATE);
	213	struct snd_interval *channels = hw_param_interval(params,
	214	SNDRV_PCM_HW_PARAM_CHANNELS);
3f27dedd	215	int ret;
996cc849 SP	216
	217	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	218	rate->min = rate->max = 48000;
	219	channels->min = channels->max = 2;
	220
	221	/* set SSP2 to 24-bit */
369a9f5f	222	params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
3f27dedd SG	223
	224	/*
	225	* Default mode for SSP configuration is TDM 4 slot, override config
	226	* with explicit setting to I2S 2ch 24-bit. The word length is set with
	227	* dai_set_tdm_slot() since there is no other API exposed
	228	*/
	229	ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
	230	SND_SOC_DAIFMT_I2S \|
	231	SND_SOC_DAIFMT_NB_IF \|
	232	SND_SOC_DAIFMT_CBS_CFS
	233	);
	234	if (ret < 0) {
	235	dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
	236	return ret;
	237	}
	238
	239	ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
	240	if (ret < 0) {
	241	dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
	242	return ret;
	243	}
	244
996cc849 SP	245	return 0;
	246	}
	247
a2d5563b	248	static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
996cc849	249	{
d0a1b660 LPC	250	return snd_pcm_hw_constraint_single(substream->runtime,
d0a1b660 LPC	251	SNDRV_PCM_HW_PARAM_RATE, 48000);
996cc849 SP	252	}
996cc849 SP	253
a2d5563b PLB	254	static struct snd_soc_ops byt_rt5640_aif1_ops = {
a2d5563b PLB	255	.startup = byt_rt5640_aif1_startup,
996cc849 SP	256	};
996cc849 SP	257
a2d5563b PLB	258	static struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
a2d5563b PLB	259	.hw_params = byt_rt5640_aif1_hw_params,
996cc849 SP	260	};
996cc849 SP	261
a2d5563b	262	static struct snd_soc_dai_link byt_rt5640_dais[] = {
996cc849 SP	263	[MERR_DPCM_AUDIO] = {
	264	.name = "Baytrail Audio Port",
	265	.stream_name = "Baytrail 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",
	270	.ignore_suspend = 1,
	271	.dynamic = 1,
	272	.dpcm_playback = 1,
	273	.dpcm_capture = 1,
a2d5563b	274	.ops = &byt_rt5640_aif1_ops,
996cc849	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	.ignore_suspend = 1,
	284	.nonatomic = true,
	285	.dynamic = 1,
	286	.dpcm_playback = 1,
	287	.ops = &byt_rt5640_aif1_ops,
	288	},
996cc849 SP	289	[MERR_DPCM_COMPR] = {
	290	.name = "Baytrail Compressed Port",
	291	.stream_name = "Baytrail Compress",
	292	.cpu_dai_name = "compress-cpu-dai",
	293	.codec_dai_name = "snd-soc-dummy-dai",
	294	.codec_name = "snd-soc-dummy",
	295	.platform_name = "sst-mfld-platform",
	296	},
	297	/* back ends */
	298	{
	299	.name = "SSP2-Codec",
	300	.be_id = 1,
	301	.cpu_dai_name = "ssp2-port",
	302	.platform_name = "sst-mfld-platform",
	303	.no_pcm = 1,
	304	.codec_dai_name = "rt5640-aif1",
	305	.codec_name = "i2c-10EC5640:00",
	306	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
	307	\| SND_SOC_DAIFMT_CBS_CFS,
a2d5563b	308	.be_hw_params_fixup = byt_rt5640_codec_fixup,
996cc849 SP	309	.ignore_suspend = 1,
	310	.dpcm_playback = 1,
	311	.dpcm_capture = 1,
9fd57471	312	.init = byt_rt5640_init,
a2d5563b	313	.ops = &byt_rt5640_be_ssp2_ops,
996cc849 SP	314	},
	315	};
	316
	317	/* SoC card */
9fd57471	318	static struct snd_soc_card byt_rt5640_card = {
a2d5563b	319	.name = "bytcr-rt5640",
54d8697f	320	.owner = THIS_MODULE,
a2d5563b PLB	321	.dai_link = byt_rt5640_dais,
	322	.num_links = ARRAY_SIZE(byt_rt5640_dais),
	323	.dapm_widgets = byt_rt5640_widgets,
	324	.num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
	325	.dapm_routes = byt_rt5640_audio_map,
	326	.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
9fd57471	327	.fully_routed = true,
996cc849 SP	328	};
996cc849 SP	329
caf94ed8 PLB	330	static char byt_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
caf94ed8 PLB	331
a2d5563b	332	static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
996cc849 SP	333	{
996cc849 SP	334	int ret_val = 0;
caf94ed8	335	struct sst_acpi_mach *mach;
996cc849 SP	336
996cc849 SP	337	/* register the soc card */
9fd57471	338	byt_rt5640_card.dev = &pdev->dev;
caf94ed8 PLB	339	mach = byt_rt5640_card.dev->platform_data;
	340
	341	/* fixup codec name based on HID */
	342	snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
	343	"%s%s%s", "i2c-", mach->id, ":00");
	344	byt_rt5640_dais[MERR_DPCM_COMPR+1].codec_name = byt_rt5640_codec_name;
9fd57471 PLB	345
9fd57471 PLB	346	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
996cc849	347
996cc849	348	if (ret_val) {
a2d5563b PLB	349	dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
a2d5563b PLB	350	ret_val);
996cc849 SP	351	return ret_val;
996cc849 SP	352	}
9fd57471	353	platform_set_drvdata(pdev, &byt_rt5640_card);
996cc849 SP	354	return ret_val;
	355	}
	356
a2d5563b	357	static struct platform_driver snd_byt_rt5640_mc_driver = {
996cc849	358	.driver = {
a2d5563b	359	.name = "bytcr_rt5640",
996cc849 SP	360	.pm = &snd_soc_pm_ops,
996cc849 SP	361	},
a2d5563b	362	.probe = snd_byt_rt5640_mc_probe,
996cc849 SP	363	};
996cc849 SP	364
a2d5563b	365	module_platform_driver(snd_byt_rt5640_mc_driver);
996cc849 SP	366
	367	MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
	368	MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
	369	MODULE_LICENSE("GPL v2");
a2d5563b	370	MODULE_ALIAS("platform:bytcr_rt5640");