[mirror_ubuntu-bionic-kernel.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"

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)
#define BYT_RT5640_MONO_SPEAKER BIT(17)
#define BYT_RT5640_DIFF_MIC     BIT(18) /* defaut is single-ended */

static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP |
					BYT_RT5640_DMIC_EN;

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"},
};

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"},
};

static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
	{"Speaker", NULL, "SPOLP"},
	{"Speaker", NULL, "SPOLN"},
	{"Speaker", NULL, "SPORP"},
	{"Speaker", NULL, "SPORN"},
};

static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
	{"Speaker", NULL, "SPOLP"},
	{"Speaker", NULL, "SPOLN"},
};

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_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
		},
		.driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
	},
	{
		.callback = byt_rt5640_quirk_cb,
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
		},
		.driver_data = (unsigned long *)(BYT_RT5640_IN1_MAP |
						 BYT_RT5640_MONO_SPEAKER |
						 BYT_RT5640_DIFF_MIC
						 ),
	},
	{
		.callback = byt_rt5640_quirk_cb,
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "DellInc."),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
		},
		.driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP |
						 BYT_RT5640_DMIC_EN),
	},
	{
		.callback = byt_rt5640_quirk_cb,
		.matches = {
			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
		},
		.driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
	},
	{}
};

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;
	}

	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_MONO_SPEAKER) {
		ret = snd_soc_dapm_add_routes(&card->dapm,
					byt_rt5640_mono_spk_map,
					ARRAY_SIZE(byt_rt5640_mono_spk_map));
	} else {
		ret = snd_soc_dapm_add_routes(&card->dapm,
					byt_rt5640_stereo_spk_map,
					ARRAY_SIZE(byt_rt5640_stereo_spk_map));
	}
	if (ret)
		return ret;

	if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) {
		snd_soc_update_bits(codec,  RT5640_IN1_IN2, RT5640_IN_DF1,
				    RT5640_IN_DF1);
	}

	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",
		.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", /* overwritten with HID */
		.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;
	const char *i2c_name = NULL;
	int i;
	int dai_index;

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

	/* fix index of codec dai */
	dai_index = MERR_DPCM_COMPR + 1;
	for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
		if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
			dai_index = i;
			break;
		}
	}

	/* fixup codec name based on HID */
	i2c_name = sst_acpi_find_name_from_hid(mach->id);
	if (i2c_name != NULL) {
		snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
			"%s%s", "i2c-", i2c_name);

		byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
	}

	/* check quirks before creating card */
	dmi_check_system(byt_rt5640_quirk_table);

	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
ab738e4e PLB	35	enum {
	36	BYT_RT5640_DMIC1_MAP,
	37	BYT_RT5640_DMIC2_MAP,
	38	BYT_RT5640_IN1_MAP,
	39	};
	40
	41	#define BYT_RT5640_MAP(quirk) ((quirk) & 0xff)
	42	#define BYT_RT5640_DMIC_EN BIT(16)
68817cdb	43	#define BYT_RT5640_MONO_SPEAKER BIT(17)
5d98f58f	44	#define BYT_RT5640_DIFF_MIC BIT(18) /* defaut is single-ended */
ab738e4e PLB	45
	46	static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP \|
	47	BYT_RT5640_DMIC_EN;
	48
a2d5563b	49	static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
996cc849 SP	50	SND_SOC_DAPM_HP("Headphone", NULL),
996cc849 SP	51	SND_SOC_DAPM_MIC("Headset Mic", NULL),
e2be1da0 PLB	52	SND_SOC_DAPM_MIC("Internal Mic", NULL),
e2be1da0 PLB	53	SND_SOC_DAPM_SPK("Speaker", NULL),
996cc849 SP	54	};
996cc849 SP	55
a2d5563b	56	static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
9fd57471 PLB	57	{"AIF1 Playback", NULL, "ssp2 Tx"},
	58	{"ssp2 Tx", NULL, "codec_out0"},
	59	{"ssp2 Tx", NULL, "codec_out1"},
	60	{"codec_in0", NULL, "ssp2 Rx"},
	61	{"codec_in1", NULL, "ssp2 Rx"},
	62	{"ssp2 Rx", NULL, "AIF1 Capture"},
	63
996cc849	64	{"Headset Mic", NULL, "MICBIAS1"},
e2be1da0	65	{"IN2P", NULL, "Headset Mic"},
996cc849 SP	66	{"Headphone", NULL, "HPOL"},
996cc849 SP	67	{"Headphone", NULL, "HPOR"},
996cc849 SP	68	};
996cc849 SP	69
a2d5563b PLB	70	static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
	71	{"DMIC1", NULL, "Internal Mic"},
	72	};
	73
	74	static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
	75	{"DMIC2", NULL, "Internal Mic"},
	76	};
	77
	78	static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
	79	{"Internal Mic", NULL, "MICBIAS1"},
	80	{"IN1P", NULL, "Internal Mic"},
	81	};
	82
68817cdb PLB	83	static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
	84	{"Speaker", NULL, "SPOLP"},
	85	{"Speaker", NULL, "SPOLN"},
	86	{"Speaker", NULL, "SPORP"},
	87	{"Speaker", NULL, "SPORN"},
	88	};
	89
	90	static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
	91	{"Speaker", NULL, "SPOLP"},
	92	{"Speaker", NULL, "SPOLN"},
	93	};
	94
a2d5563b	95	static const struct snd_kcontrol_new byt_rt5640_controls[] = {
996cc849 SP	96	SOC_DAPM_PIN_SWITCH("Headphone"),
996cc849 SP	97	SOC_DAPM_PIN_SWITCH("Headset Mic"),
e2be1da0 PLB	98	SOC_DAPM_PIN_SWITCH("Internal Mic"),
e2be1da0 PLB	99	SOC_DAPM_PIN_SWITCH("Speaker"),
996cc849 SP	100	};
996cc849 SP	101
a2d5563b	102	static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
996cc849 SP	103	struct snd_pcm_hw_params *params)
	104	{
	105	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	106	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	107	int ret;
	108
	109	snd_soc_dai_set_bclk_ratio(codec_dai, 50);
	110
	111	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
	112	params_rate(params) * 512,
	113	SND_SOC_CLOCK_IN);
	114	if (ret < 0) {
	115	dev_err(rtd->dev, "can't set codec clock %d\n", ret);
	116	return ret;
	117	}
	118
	119	ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1,
	120	params_rate(params) * 50,
	121	params_rate(params) * 512);
	122	if (ret < 0) {
	123	dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
	124	return ret;
	125	}
	126
	127	return 0;
	128	}
	129
a2d5563b PLB	130	static int byt_rt5640_quirk_cb(const struct dmi_system_id *id)
	131	{
	132	byt_rt5640_quirk = (unsigned long)id->driver_data;
	133	return 1;
	134	}
	135
	136	static const struct dmi_system_id byt_rt5640_quirk_table[] = {
	137	{
	138	.callback = byt_rt5640_quirk_cb,
	139	.matches = {
73442e3c PLB	140	DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
73442e3c PLB	141	DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
a2d5563b PLB	142	},
	143	.driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
	144	},
	145	{
	146	.callback = byt_rt5640_quirk_cb,
	147	.matches = {
73442e3c PLB	148	DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
	149	DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
	150	},
68817cdb	151	.driver_data = (unsigned long *)(BYT_RT5640_IN1_MAP \|
5d98f58f PLB	152	BYT_RT5640_MONO_SPEAKER \|
5d98f58f PLB	153	BYT_RT5640_DIFF_MIC
68817cdb	154	),
73442e3c PLB	155	},
	156	{
	157	.callback = byt_rt5640_quirk_cb,
	158	.matches = {
	159	DMI_EXACT_MATCH(DMI_SYS_VENDOR, "DellInc."),
	160	DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
a2d5563b PLB	161	},
	162	.driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP \|
	163	BYT_RT5640_DMIC_EN),
	164	},
55fc2056 JFM	165	{
	166	.callback = byt_rt5640_quirk_cb,
	167	.matches = {
73442e3c PLB	168	DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
73442e3c PLB	169	DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
55fc2056 JFM	170	},
	171	.driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
	172	},
a2d5563b PLB	173	{}
	174	};
	175
9fd57471 PLB	176	static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
	177	{
	178	int ret;
	179	struct snd_soc_codec *codec = runtime->codec;
	180	struct snd_soc_card *card = runtime->card;
	181	const struct snd_soc_dapm_route *custom_map;
	182	int num_routes;
	183
	184	card->dapm.idle_bias_off = true;
	185
0ec66e2d PLB	186	rt5640_sel_asrc_clk_src(codec,
	187	RT5640_DA_STEREO_FILTER \|
	188	RT5640_AD_STEREO_FILTER,
	189	RT5640_CLK_SEL_ASRC);
	190
9fd57471 PLB	191	ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
	192	ARRAY_SIZE(byt_rt5640_controls));
	193	if (ret) {
	194	dev_err(card->dev, "unable to add card controls\n");
	195	return ret;
	196	}
	197
9fd57471 PLB	198	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
	199	case BYT_RT5640_IN1_MAP:
	200	custom_map = byt_rt5640_intmic_in1_map;
	201	num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
	202	break;
	203	case BYT_RT5640_DMIC2_MAP:
	204	custom_map = byt_rt5640_intmic_dmic2_map;
	205	num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
	206	break;
	207	default:
	208	custom_map = byt_rt5640_intmic_dmic1_map;
	209	num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
	210	}
	211
	212	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
	213	if (ret)
	214	return ret;
	215
68817cdb PLB	216	if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
	217	ret = snd_soc_dapm_add_routes(&card->dapm,
	218	byt_rt5640_mono_spk_map,
	219	ARRAY_SIZE(byt_rt5640_mono_spk_map));
	220	} else {
	221	ret = snd_soc_dapm_add_routes(&card->dapm,
	222	byt_rt5640_stereo_spk_map,
	223	ARRAY_SIZE(byt_rt5640_stereo_spk_map));
	224	}
	225	if (ret)
	226	return ret;
	227
5d98f58f PLB	228	if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) {
	229	snd_soc_update_bits(codec, RT5640_IN1_IN2, RT5640_IN_DF1,
	230	RT5640_IN_DF1);
	231	}
	232
9fd57471 PLB	233	if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) {
	234	ret = rt5640_dmic_enable(codec, 0, 0);
	235	if (ret)
	236	return ret;
	237	}
	238
	239	snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
	240	snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
	241
	242	return ret;
	243	}
	244
a2d5563b	245	static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
996cc849 SP	246	.formats = SNDRV_PCM_FMTBIT_S24_LE,
	247	.rate_min = 48000,
	248	.rate_max = 48000,
	249	.channels_min = 2,
	250	.channels_max = 2,
	251	};
	252
a2d5563b	253	static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
996cc849 SP	254	struct snd_pcm_hw_params *params)
	255	{
	256	struct snd_interval *rate = hw_param_interval(params,
	257	SNDRV_PCM_HW_PARAM_RATE);
	258	struct snd_interval *channels = hw_param_interval(params,
	259	SNDRV_PCM_HW_PARAM_CHANNELS);
3f27dedd	260	int ret;
996cc849 SP	261
	262	/* The DSP will covert the FE rate to 48k, stereo, 24bits */
	263	rate->min = rate->max = 48000;
	264	channels->min = channels->max = 2;
	265
	266	/* set SSP2 to 24-bit */
369a9f5f	267	params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
3f27dedd SG	268
	269	/*
	270	* Default mode for SSP configuration is TDM 4 slot, override config
	271	* with explicit setting to I2S 2ch 24-bit. The word length is set with
	272	* dai_set_tdm_slot() since there is no other API exposed
	273	*/
	274	ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
	275	SND_SOC_DAIFMT_I2S \|
	276	SND_SOC_DAIFMT_NB_IF \|
	277	SND_SOC_DAIFMT_CBS_CFS
	278	);
	279	if (ret < 0) {
	280	dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
	281	return ret;
	282	}
	283
	284	ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
	285	if (ret < 0) {
	286	dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
	287	return ret;
	288	}
	289
996cc849 SP	290	return 0;
	291	}
	292
a2d5563b	293	static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
996cc849	294	{
d0a1b660 LPC	295	return snd_pcm_hw_constraint_single(substream->runtime,
d0a1b660 LPC	296	SNDRV_PCM_HW_PARAM_RATE, 48000);
996cc849 SP	297	}
996cc849 SP	298
a2d5563b PLB	299	static struct snd_soc_ops byt_rt5640_aif1_ops = {
a2d5563b PLB	300	.startup = byt_rt5640_aif1_startup,
996cc849 SP	301	};
996cc849 SP	302
a2d5563b PLB	303	static struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
a2d5563b PLB	304	.hw_params = byt_rt5640_aif1_hw_params,
996cc849 SP	305	};
996cc849 SP	306
a2d5563b	307	static struct snd_soc_dai_link byt_rt5640_dais[] = {
996cc849 SP	308	[MERR_DPCM_AUDIO] = {
	309	.name = "Baytrail Audio Port",
	310	.stream_name = "Baytrail Audio",
	311	.cpu_dai_name = "media-cpu-dai",
	312	.codec_dai_name = "snd-soc-dummy-dai",
	313	.codec_name = "snd-soc-dummy",
	314	.platform_name = "sst-mfld-platform",
	315	.ignore_suspend = 1,
	316	.dynamic = 1,
	317	.dpcm_playback = 1,
	318	.dpcm_capture = 1,
a2d5563b	319	.ops = &byt_rt5640_aif1_ops,
996cc849	320	},
d35eb96a PLB	321	[MERR_DPCM_DEEP_BUFFER] = {
	322	.name = "Deep-Buffer Audio Port",
	323	.stream_name = "Deep-Buffer Audio",
	324	.cpu_dai_name = "deepbuffer-cpu-dai",
	325	.codec_dai_name = "snd-soc-dummy-dai",
	326	.codec_name = "snd-soc-dummy",
	327	.platform_name = "sst-mfld-platform",
	328	.ignore_suspend = 1,
	329	.nonatomic = true,
	330	.dynamic = 1,
	331	.dpcm_playback = 1,
	332	.ops = &byt_rt5640_aif1_ops,
	333	},
996cc849 SP	334	[MERR_DPCM_COMPR] = {
	335	.name = "Baytrail Compressed Port",
	336	.stream_name = "Baytrail Compress",
	337	.cpu_dai_name = "compress-cpu-dai",
	338	.codec_dai_name = "snd-soc-dummy-dai",
	339	.codec_name = "snd-soc-dummy",
	340	.platform_name = "sst-mfld-platform",
	341	},
	342	/* back ends */
	343	{
	344	.name = "SSP2-Codec",
2f0ad491	345	.id = 1,
996cc849 SP	346	.cpu_dai_name = "ssp2-port",
	347	.platform_name = "sst-mfld-platform",
	348	.no_pcm = 1,
	349	.codec_dai_name = "rt5640-aif1",
7762ef42	350	.codec_name = "i2c-10EC5640:00", /* overwritten with HID */
996cc849 SP	351	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
996cc849 SP	352	\| SND_SOC_DAIFMT_CBS_CFS,
a2d5563b	353	.be_hw_params_fixup = byt_rt5640_codec_fixup,
996cc849 SP	354	.ignore_suspend = 1,
	355	.dpcm_playback = 1,
	356	.dpcm_capture = 1,
9fd57471	357	.init = byt_rt5640_init,
a2d5563b	358	.ops = &byt_rt5640_be_ssp2_ops,
996cc849 SP	359	},
	360	};
	361
	362	/* SoC card */
9fd57471	363	static struct snd_soc_card byt_rt5640_card = {
a2d5563b	364	.name = "bytcr-rt5640",
54d8697f	365	.owner = THIS_MODULE,
a2d5563b PLB	366	.dai_link = byt_rt5640_dais,
	367	.num_links = ARRAY_SIZE(byt_rt5640_dais),
	368	.dapm_widgets = byt_rt5640_widgets,
	369	.num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
	370	.dapm_routes = byt_rt5640_audio_map,
	371	.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
9fd57471	372	.fully_routed = true,
996cc849 SP	373	};
996cc849 SP	374
caf94ed8 PLB	375	static char byt_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
caf94ed8 PLB	376
a2d5563b	377	static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
996cc849 SP	378	{
996cc849 SP	379	int ret_val = 0;
caf94ed8	380	struct sst_acpi_mach *mach;
a232b96d PLB	381	const char *i2c_name = NULL;
	382	int i;
	383	int dai_index;
996cc849 SP	384
996cc849 SP	385	/* register the soc card */
9fd57471	386	byt_rt5640_card.dev = &pdev->dev;
caf94ed8 PLB	387	mach = byt_rt5640_card.dev->platform_data;
caf94ed8 PLB	388
a232b96d PLB	389	/* fix index of codec dai */
	390	dai_index = MERR_DPCM_COMPR + 1;
	391	for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
	392	if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
	393	dai_index = i;
	394	break;
	395	}
	396	}
	397
caf94ed8	398	/* fixup codec name based on HID */
a232b96d PLB	399	i2c_name = sst_acpi_find_name_from_hid(mach->id);
	400	if (i2c_name != NULL) {
	401	snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
	402	"%s%s", "i2c-", i2c_name);
	403
	404	byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
	405	}
9fd57471	406
ab738e4e PLB	407	/* check quirks before creating card */
	408	dmi_check_system(byt_rt5640_quirk_table);
	409
9fd57471	410	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
996cc849	411
996cc849	412	if (ret_val) {
a2d5563b PLB	413	dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
a2d5563b PLB	414	ret_val);
996cc849 SP	415	return ret_val;
996cc849 SP	416	}
9fd57471	417	platform_set_drvdata(pdev, &byt_rt5640_card);
996cc849 SP	418	return ret_val;
	419	}
	420
a2d5563b	421	static struct platform_driver snd_byt_rt5640_mc_driver = {
996cc849	422	.driver = {
a2d5563b	423	.name = "bytcr_rt5640",
996cc849 SP	424	.pm = &snd_soc_pm_ops,
996cc849 SP	425	},
a2d5563b	426	.probe = snd_byt_rt5640_mc_probe,
996cc849 SP	427	};
996cc849 SP	428
a2d5563b	429	module_platform_driver(snd_byt_rt5640_mc_driver);
996cc849 SP	430
	431	MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
	432	MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
	433	MODULE_LICENSE("GPL v2");
a2d5563b	434	MODULE_ALIAS("platform:bytcr_rt5640");