[deliverable/linux.git] / sound / soc / codecs / ad193x.c

/*
 * AD193X Audio Codec driver supporting AD1936/7/8/9
 *
 * Copyright 2010 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/tlv.h>

#include "ad193x.h"

/* codec private data */
struct ad193x_priv {
	struct regmap *regmap;
	enum ad193x_type type;
	int sysclk;
};

/*
 * AD193X volume/mute/de-emphasis etc. controls
 */
static const char * const ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"};

static SOC_ENUM_SINGLE_DECL(ad193x_deemp_enum, AD193X_DAC_CTRL2, 1,
			    ad193x_deemp);

static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0);

static const struct snd_kcontrol_new ad193x_snd_controls[] = {
	/* DAC volume control */
	SOC_DOUBLE_R_TLV("DAC1 Volume", AD193X_DAC_L1_VOL,
			AD193X_DAC_R1_VOL, 0, 0xFF, 1, adau193x_tlv),
	SOC_DOUBLE_R_TLV("DAC2 Volume", AD193X_DAC_L2_VOL,
			AD193X_DAC_R2_VOL, 0, 0xFF, 1, adau193x_tlv),
	SOC_DOUBLE_R_TLV("DAC3 Volume", AD193X_DAC_L3_VOL,
			AD193X_DAC_R3_VOL, 0, 0xFF, 1, adau193x_tlv),
	SOC_DOUBLE_R_TLV("DAC4 Volume", AD193X_DAC_L4_VOL,
			AD193X_DAC_R4_VOL, 0, 0xFF, 1, adau193x_tlv),

	/* DAC switch control */
	SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE,
		AD193X_DACR1_MUTE, 1, 1),
	SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE,
		AD193X_DACR2_MUTE, 1, 1),
	SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE,
		AD193X_DACR3_MUTE, 1, 1),
	SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE,
		AD193X_DACR4_MUTE, 1, 1),

	/* DAC de-emphasis */
	SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum),
};

static const struct snd_kcontrol_new ad193x_adc_snd_controls[] = {
	/* ADC switch control */
	SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE,
		AD193X_ADCR1_MUTE, 1, 1),
	SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE,
		AD193X_ADCR2_MUTE, 1, 1),

	/* ADC high-pass filter */
	SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0,
			AD193X_ADC_HIGHPASS_FILTER, 1, 0),
};

static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
	SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_PGA("DAC Output", AD193X_DAC_CTRL0, 0, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0),
	SND_SOC_DAPM_VMID("VMID"),
	SND_SOC_DAPM_OUTPUT("DAC1OUT"),
	SND_SOC_DAPM_OUTPUT("DAC2OUT"),
	SND_SOC_DAPM_OUTPUT("DAC3OUT"),
	SND_SOC_DAPM_OUTPUT("DAC4OUT"),
};

static const struct snd_soc_dapm_widget ad193x_adc_widgets[] = {
	SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
	SND_SOC_DAPM_INPUT("ADC1IN"),
	SND_SOC_DAPM_INPUT("ADC2IN"),
};

static const struct snd_soc_dapm_route audio_paths[] = {
	{ "DAC", NULL, "SYSCLK" },
	{ "DAC Output", NULL, "DAC" },
	{ "DAC Output", NULL, "VMID" },
	{ "DAC1OUT", NULL, "DAC Output" },
	{ "DAC2OUT", NULL, "DAC Output" },
	{ "DAC3OUT", NULL, "DAC Output" },
	{ "DAC4OUT", NULL, "DAC Output" },
	{ "SYSCLK", NULL, "PLL_PWR" },
};

static const struct snd_soc_dapm_route ad193x_adc_audio_paths[] = {
	{ "ADC", NULL, "SYSCLK" },
	{ "ADC", NULL, "ADC_PWR" },
	{ "ADC", NULL, "ADC1IN" },
	{ "ADC", NULL, "ADC2IN" },
};

static inline bool ad193x_has_adc(const struct ad193x_priv *ad193x)
{
	switch (ad193x->type) {
	case AD1933:
	case AD1934:
		return false;
	default:
		break;
	}

	return true;
}

/*
 * DAI ops entries
 */

static int ad193x_mute(struct snd_soc_dai *dai, int mute)
{
	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec);

	if (mute)
		regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
				    AD193X_DAC_MASTER_MUTE,
				    AD193X_DAC_MASTER_MUTE);
	else
		regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
				    AD193X_DAC_MASTER_MUTE, 0);

	return 0;
}

static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
			       unsigned int rx_mask, int slots, int width)
{
	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec);
	unsigned int channels;

	switch (slots) {
	case 2:
		channels = AD193X_2_CHANNELS;
		break;
	case 4:
		channels = AD193X_4_CHANNELS;
		break;
	case 8:
		channels = AD193X_8_CHANNELS;
		break;
	case 16:
		channels = AD193X_16_CHANNELS;
		break;
	default:
		return -EINVAL;
	}

	regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
		AD193X_DAC_CHAN_MASK, channels << AD193X_DAC_CHAN_SHFT);
	if (ad193x_has_adc(ad193x))
		regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
				   AD193X_ADC_CHAN_MASK,
				   channels << AD193X_ADC_CHAN_SHFT);

	return 0;
}

static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
		unsigned int fmt)
{
	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec_dai->codec);
	unsigned int adc_serfmt = 0;
	unsigned int adc_fmt = 0;
	unsigned int dac_fmt = 0;

	/* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S
	 * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A)
	 */
	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_I2S:
		adc_serfmt |= AD193X_ADC_SERFMT_TDM;
		break;
	case SND_SOC_DAIFMT_DSP_A:
		adc_serfmt |= AD193X_ADC_SERFMT_AUX;
		break;
	default:
		if (ad193x_has_adc(ad193x))
			return -EINVAL;
		break;
	}

	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */
		break;
	case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
		adc_fmt |= AD193X_ADC_LEFT_HIGH;
		dac_fmt |= AD193X_DAC_LEFT_HIGH;
		break;
	case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
		adc_fmt |= AD193X_ADC_BCLK_INV;
		dac_fmt |= AD193X_DAC_BCLK_INV;
		break;
	case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
		adc_fmt |= AD193X_ADC_LEFT_HIGH;
		adc_fmt |= AD193X_ADC_BCLK_INV;
		dac_fmt |= AD193X_DAC_LEFT_HIGH;
		dac_fmt |= AD193X_DAC_BCLK_INV;
		break;
	default:
		return -EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */
		adc_fmt |= AD193X_ADC_LCR_MASTER;
		adc_fmt |= AD193X_ADC_BCLK_MASTER;
		dac_fmt |= AD193X_DAC_LCR_MASTER;
		dac_fmt |= AD193X_DAC_BCLK_MASTER;
		break;
	case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */
		adc_fmt |= AD193X_ADC_LCR_MASTER;
		dac_fmt |= AD193X_DAC_LCR_MASTER;
		break;
	case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */
		adc_fmt |= AD193X_ADC_BCLK_MASTER;
		dac_fmt |= AD193X_DAC_BCLK_MASTER;
		break;
	case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */
		break;
	default:
		return -EINVAL;
	}

	if (ad193x_has_adc(ad193x)) {
		regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
				   AD193X_ADC_SERFMT_MASK, adc_serfmt);
		regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
				   AD193X_ADC_FMT_MASK, adc_fmt);
	}
	regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
		AD193X_DAC_FMT_MASK, dac_fmt);

	return 0;
}

static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
		int clk_id, unsigned int freq, int dir)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
	switch (freq) {
	case 12288000:
	case 18432000:
	case 24576000:
	case 36864000:
		ad193x->sysclk = freq;
		return 0;
	}
	return -EINVAL;
}

static int ad193x_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params,
		struct snd_soc_dai *dai)
{
	int word_len = 0, master_rate = 0;
	struct snd_soc_codec *codec = dai->codec;
	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);

	/* bit size */
	switch (params_width(params)) {
	case 16:
		word_len = 3;
		break;
	case 20:
		word_len = 1;
		break;
	case 24:
	case 32:
		word_len = 0;
		break;
	}

	switch (ad193x->sysclk) {
	case 12288000:
		master_rate = AD193X_PLL_INPUT_256;
		break;
	case 18432000:
		master_rate = AD193X_PLL_INPUT_384;
		break;
	case 24576000:
		master_rate = AD193X_PLL_INPUT_512;
		break;
	case 36864000:
		master_rate = AD193X_PLL_INPUT_768;
		break;
	}

	regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL0,
			    AD193X_PLL_INPUT_MASK, master_rate);

	regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
			    AD193X_DAC_WORD_LEN_MASK,
			    word_len << AD193X_DAC_WORD_LEN_SHFT);

	if (ad193x_has_adc(ad193x))
		regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
				   AD193X_ADC_WORD_LEN_MASK, word_len);

	return 0;
}

static const struct snd_soc_dai_ops ad193x_dai_ops = {
	.hw_params = ad193x_hw_params,
	.digital_mute = ad193x_mute,
	.set_tdm_slot = ad193x_set_tdm_slot,
	.set_sysclk	= ad193x_set_dai_sysclk,
	.set_fmt = ad193x_set_dai_fmt,
};

/* codec DAI instance */
static struct snd_soc_dai_driver ad193x_dai = {
	.name = "ad193x-hifi",
	.playback = {
		.stream_name = "Playback",
		.channels_min = 2,
		.channels_max = 8,
		.rates = SNDRV_PCM_RATE_48000,
		.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
			SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
	},
	.capture = {
		.stream_name = "Capture",
		.channels_min = 2,
		.channels_max = 4,
		.rates = SNDRV_PCM_RATE_48000,
		.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
			SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
	},
	.ops = &ad193x_dai_ops,
};

static int ad193x_codec_probe(struct snd_soc_codec *codec)
{
	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
	int num, ret;

	/* default setting for ad193x */

	/* unmute dac channels */
	regmap_write(ad193x->regmap, AD193X_DAC_CHNL_MUTE, 0x0);
	/* de-emphasis: 48kHz, powedown dac */
	regmap_write(ad193x->regmap, AD193X_DAC_CTRL2, 0x1A);
	/* dac in tdm mode */
	regmap_write(ad193x->regmap, AD193X_DAC_CTRL0, 0x40);

	/* adc only */
	if (ad193x_has_adc(ad193x)) {
		/* high-pass filter enable */
		regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3);
		/* sata delay=1, adc aux mode */
		regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43);
	}

	/* pll input: mclki/xi */
	regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
	regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04);

	/* adc only */
	if (ad193x_has_adc(ad193x)) {
		/* add adc controls */
		num = ARRAY_SIZE(ad193x_adc_snd_controls);
		ret = snd_soc_add_codec_controls(codec,
						 ad193x_adc_snd_controls,
						 num);
		if (ret)
			return ret;

		/* add adc widgets */
		num = ARRAY_SIZE(ad193x_adc_widgets);
		ret = snd_soc_dapm_new_controls(dapm,
						ad193x_adc_widgets,
						num);
		if (ret)
			return ret;

		/* add adc routes */
		num = ARRAY_SIZE(ad193x_adc_audio_paths);
		ret = snd_soc_dapm_add_routes(dapm,
					      ad193x_adc_audio_paths,
					      num);
		if (ret)
			return ret;
	}

	return 0;
}

static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
	.probe = ad193x_codec_probe,
	.component_driver = {
		.controls		= ad193x_snd_controls,
		.num_controls		= ARRAY_SIZE(ad193x_snd_controls),
		.dapm_widgets		= ad193x_dapm_widgets,
		.num_dapm_widgets	= ARRAY_SIZE(ad193x_dapm_widgets),
		.dapm_routes		= audio_paths,
		.num_dapm_routes	= ARRAY_SIZE(audio_paths),
	},
};

const struct regmap_config ad193x_regmap_config = {
	.max_register = AD193X_NUM_REGS - 1,
};
EXPORT_SYMBOL_GPL(ad193x_regmap_config);

int ad193x_probe(struct device *dev, struct regmap *regmap,
		 enum ad193x_type type)
{
	struct ad193x_priv *ad193x;

	if (IS_ERR(regmap))
		return PTR_ERR(regmap);

	ad193x = devm_kzalloc(dev, sizeof(*ad193x), GFP_KERNEL);
	if (ad193x == NULL)
		return -ENOMEM;

	ad193x->regmap = regmap;
	ad193x->type = type;

	dev_set_drvdata(dev, ad193x);

	return snd_soc_register_codec(dev, &soc_codec_dev_ad193x,
		&ad193x_dai, 1);
}
EXPORT_SYMBOL_GPL(ad193x_probe);

MODULE_DESCRIPTION("ASoC ad193x driver");
MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
MODULE_LICENSE("GPL");
Commit	Line	Data
a1533d94 BS	1	/*
	2	* AD193X Audio Codec driver supporting AD1936/7/8/9
	3	*
	4	* Copyright 2010 Analog Devices Inc.
	5	*
	6	* Licensed under the GPL-2 or later.
	7	*/
	8
a1533d94 BS	9	#include <linux/module.h>
	10	#include <linux/kernel.h>
	11	#include <linux/device.h>
6c3d713e	12	#include <linux/regmap.h>
1b132ea0	13	#include <linux/slab.h>
a1533d94 BS	14	#include <sound/core.h>
	15	#include <sound/pcm.h>
	16	#include <sound/pcm_params.h>
	17	#include <sound/initval.h>
	18	#include <sound/soc.h>
	19	#include <sound/tlv.h>
6c3d713e	20
a1533d94 BS	21	#include "ad193x.h"
	22
	23	/* codec private data */
	24	struct ad193x_priv {
30ab1e78	25	struct regmap *regmap;
e5224f58	26	enum ad193x_type type;
f0fba2ad	27	int sysclk;
a1533d94 BS	28	};
a1533d94 BS	29
a1533d94 BS	30	/*
	31	* AD193X volume/mute/de-emphasis etc. controls
	32	*/
c4e7a4a2	33	static const char * const ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"};
a1533d94	34
b6592d88 TI	35	static SOC_ENUM_SINGLE_DECL(ad193x_deemp_enum, AD193X_DAC_CTRL2, 1,
b6592d88 TI	36	ad193x_deemp);
a1533d94	37
591c034a LPC	38	static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0);
591c034a LPC	39
a1533d94 BS	40	static const struct snd_kcontrol_new ad193x_snd_controls[] = {
a1533d94 BS	41	/* DAC volume control */
591c034a LPC	42	SOC_DOUBLE_R_TLV("DAC1 Volume", AD193X_DAC_L1_VOL,
	43	AD193X_DAC_R1_VOL, 0, 0xFF, 1, adau193x_tlv),
	44	SOC_DOUBLE_R_TLV("DAC2 Volume", AD193X_DAC_L2_VOL,
	45	AD193X_DAC_R2_VOL, 0, 0xFF, 1, adau193x_tlv),
	46	SOC_DOUBLE_R_TLV("DAC3 Volume", AD193X_DAC_L3_VOL,
	47	AD193X_DAC_R3_VOL, 0, 0xFF, 1, adau193x_tlv),
	48	SOC_DOUBLE_R_TLV("DAC4 Volume", AD193X_DAC_L4_VOL,
	49	AD193X_DAC_R4_VOL, 0, 0xFF, 1, adau193x_tlv),
a1533d94	50
a1533d94 BS	51	/* DAC switch control */
	52	SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE,
	53	AD193X_DACR1_MUTE, 1, 1),
	54	SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE,
	55	AD193X_DACR2_MUTE, 1, 1),
	56	SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE,
	57	AD193X_DACR3_MUTE, 1, 1),
	58	SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE,
	59	AD193X_DACR4_MUTE, 1, 1),
	60
e5224f58 CP	61	/* DAC de-emphasis */
	62	SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum),
	63	};
	64
	65	static const struct snd_kcontrol_new ad193x_adc_snd_controls[] = {
	66	/* ADC switch control */
	67	SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE,
	68	AD193X_ADCR1_MUTE, 1, 1),
	69	SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE,
	70	AD193X_ADCR2_MUTE, 1, 1),
	71
a1533d94 BS	72	/* ADC high-pass filter */
	73	SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0,
	74	AD193X_ADC_HIGHPASS_FILTER, 1, 0),
a1533d94 BS	75	};
	76
	77	static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
1b86a3fa LPC	78	SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
1b86a3fa LPC	79	SND_SOC_DAPM_PGA("DAC Output", AD193X_DAC_CTRL0, 0, 1, NULL, 0),
a1533d94	80	SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0),
0718fd27	81	SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0),
1b86a3fa	82	SND_SOC_DAPM_VMID("VMID"),
a1533d94 BS	83	SND_SOC_DAPM_OUTPUT("DAC1OUT"),
	84	SND_SOC_DAPM_OUTPUT("DAC2OUT"),
	85	SND_SOC_DAPM_OUTPUT("DAC3OUT"),
	86	SND_SOC_DAPM_OUTPUT("DAC4OUT"),
e5224f58 CP	87	};
	88
	89	static const struct snd_soc_dapm_widget ad193x_adc_widgets[] = {
	90	SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
	91	SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
a1533d94 BS	92	SND_SOC_DAPM_INPUT("ADC1IN"),
	93	SND_SOC_DAPM_INPUT("ADC2IN"),
	94	};
	95
	96	static const struct snd_soc_dapm_route audio_paths[] = {
0718fd27	97	{ "DAC", NULL, "SYSCLK" },
1b86a3fa LPC	98	{ "DAC Output", NULL, "DAC" },
1b86a3fa LPC	99	{ "DAC Output", NULL, "VMID" },
1b86a3fa LPC	100	{ "DAC1OUT", NULL, "DAC Output" },
	101	{ "DAC2OUT", NULL, "DAC Output" },
	102	{ "DAC3OUT", NULL, "DAC Output" },
	103	{ "DAC4OUT", NULL, "DAC Output" },
e5224f58 CP	104	{ "SYSCLK", NULL, "PLL_PWR" },
	105	};
	106
	107	static const struct snd_soc_dapm_route ad193x_adc_audio_paths[] = {
	108	{ "ADC", NULL, "SYSCLK" },
	109	{ "ADC", NULL, "ADC_PWR" },
b21990b4 LPC	110	{ "ADC", NULL, "ADC1IN" },
b21990b4 LPC	111	{ "ADC", NULL, "ADC2IN" },
a1533d94 BS	112	};
a1533d94 BS	113
e5224f58 CP	114	static inline bool ad193x_has_adc(const struct ad193x_priv *ad193x)
	115	{
	116	switch (ad193x->type) {
	117	case AD1933:
	118	case AD1934:
	119	return false;
	120	default:
	121	break;
	122	}
	123
	124	return true;
	125	}
	126
a1533d94 BS	127	/*
	128	* DAI ops entries
	129	*/
	130
	131	static int ad193x_mute(struct snd_soc_dai *dai, int mute)
	132	{
34cbe168	133	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec);
a1533d94	134
54c96cfd	135	if (mute)
34cbe168	136	regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
54c96cfd AL	137	AD193X_DAC_MASTER_MUTE,
	138	AD193X_DAC_MASTER_MUTE);
	139	else
34cbe168	140	regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
54c96cfd	141	AD193X_DAC_MASTER_MUTE, 0);
a1533d94 BS	142
	143	return 0;
	144	}
	145
	146	static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
	147	unsigned int rx_mask, int slots, int width)
	148	{
34cbe168	149	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec);
b82ca578	150	unsigned int channels;
a1533d94 BS	151
	152	switch (slots) {
	153	case 2:
b82ca578	154	channels = AD193X_2_CHANNELS;
a1533d94 BS	155	break;
a1533d94 BS	156	case 4:
b82ca578	157	channels = AD193X_4_CHANNELS;
a1533d94 BS	158	break;
a1533d94 BS	159	case 8:
b82ca578	160	channels = AD193X_8_CHANNELS;
a1533d94 BS	161	break;
a1533d94 BS	162	case 16:
b82ca578	163	channels = AD193X_16_CHANNELS;
a1533d94 BS	164	break;
	165	default:
	166	return -EINVAL;
	167	}
	168
34cbe168 LPC	169	regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
34cbe168 LPC	170	AD193X_DAC_CHAN_MASK, channels << AD193X_DAC_CHAN_SHFT);
e5224f58 CP	171	if (ad193x_has_adc(ad193x))
	172	regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
	173	AD193X_ADC_CHAN_MASK,
	174	channels << AD193X_ADC_CHAN_SHFT);
a1533d94 BS	175
	176	return 0;
	177	}
	178
	179	static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
	180	unsigned int fmt)
	181	{
34cbe168	182	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec_dai->codec);
b82ca578 LPC	183	unsigned int adc_serfmt = 0;
	184	unsigned int adc_fmt = 0;
	185	unsigned int dac_fmt = 0;
a1533d94 BS	186
	187	/* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S
	188	* with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A)
	189	*/
	190	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	191	case SND_SOC_DAIFMT_I2S:
b82ca578	192	adc_serfmt \|= AD193X_ADC_SERFMT_TDM;
a1533d94 BS	193	break;
a1533d94 BS	194	case SND_SOC_DAIFMT_DSP_A:
b82ca578	195	adc_serfmt \|= AD193X_ADC_SERFMT_AUX;
a1533d94 BS	196	break;
a1533d94 BS	197	default:
e5224f58 CP	198	if (ad193x_has_adc(ad193x))
	199	return -EINVAL;
	200	break;
a1533d94 BS	201	}
	202
	203	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	204	case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */
a1533d94 BS	205	break;
a1533d94 BS	206	case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
b82ca578 LPC	207	adc_fmt \|= AD193X_ADC_LEFT_HIGH;
b82ca578 LPC	208	dac_fmt \|= AD193X_DAC_LEFT_HIGH;
a1533d94 BS	209	break;
a1533d94 BS	210	case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
b82ca578 LPC	211	adc_fmt \|= AD193X_ADC_BCLK_INV;
b82ca578 LPC	212	dac_fmt \|= AD193X_DAC_BCLK_INV;
a1533d94	213	break;
a1533d94	214	case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
b82ca578 LPC	215	adc_fmt \|= AD193X_ADC_LEFT_HIGH;
	216	adc_fmt \|= AD193X_ADC_BCLK_INV;
	217	dac_fmt \|= AD193X_DAC_LEFT_HIGH;
	218	dac_fmt \|= AD193X_DAC_BCLK_INV;
a1533d94 BS	219	break;
	220	default:
	221	return -EINVAL;
	222	}
	223
	224	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	225	case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */
b82ca578 LPC	226	adc_fmt \|= AD193X_ADC_LCR_MASTER;
	227	adc_fmt \|= AD193X_ADC_BCLK_MASTER;
	228	dac_fmt \|= AD193X_DAC_LCR_MASTER;
	229	dac_fmt \|= AD193X_DAC_BCLK_MASTER;
a1533d94 BS	230	break;
a1533d94 BS	231	case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */
b82ca578 LPC	232	adc_fmt \|= AD193X_ADC_LCR_MASTER;
b82ca578 LPC	233	dac_fmt \|= AD193X_DAC_LCR_MASTER;
a1533d94 BS	234	break;
a1533d94 BS	235	case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */
b82ca578 LPC	236	adc_fmt \|= AD193X_ADC_BCLK_MASTER;
b82ca578 LPC	237	dac_fmt \|= AD193X_DAC_BCLK_MASTER;
a1533d94 BS	238	break;
a1533d94 BS	239	case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */
a1533d94 BS	240	break;
	241	default:
	242	return -EINVAL;
	243	}
	244
e5224f58 CP	245	if (ad193x_has_adc(ad193x)) {
	246	regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
	247	AD193X_ADC_SERFMT_MASK, adc_serfmt);
	248	regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
	249	AD193X_ADC_FMT_MASK, adc_fmt);
	250	}
34cbe168 LPC	251	regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
34cbe168 LPC	252	AD193X_DAC_FMT_MASK, dac_fmt);
a1533d94 BS	253
	254	return 0;
	255	}
	256
fab90aa4 BS	257	static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
	258	int clk_id, unsigned int freq, int dir)
	259	{
	260	struct snd_soc_codec *codec = codec_dai->codec;
	261	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
	262	switch (freq) {
	263	case 12288000:
	264	case 18432000:
	265	case 24576000:
	266	case 36864000:
	267	ad193x->sysclk = freq;
	268	return 0;
	269	}
	270	return -EINVAL;
	271	}
	272
a1533d94 BS	273	static int ad193x_hw_params(struct snd_pcm_substream *substream,
	274	struct snd_pcm_hw_params *params,
	275	struct snd_soc_dai *dai)
	276	{
54c96cfd	277	int word_len = 0, master_rate = 0;
e6968a17	278	struct snd_soc_codec *codec = dai->codec;
fab90aa4	279	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
a1533d94 BS	280
a1533d94 BS	281	/* bit size */
d4dd1fdf MB	282	switch (params_width(params)) {
d4dd1fdf MB	283	case 16:
a1533d94 BS	284	word_len = 3;
a1533d94 BS	285	break;
d4dd1fdf	286	case 20:
a1533d94 BS	287	word_len = 1;
a1533d94 BS	288	break;
d4dd1fdf MB	289	case 24:
d4dd1fdf MB	290	case 32:
a1533d94 BS	291	word_len = 0;
	292	break;
	293	}
	294
fab90aa4 BS	295	switch (ad193x->sysclk) {
	296	case 12288000:
	297	master_rate = AD193X_PLL_INPUT_256;
	298	break;
	299	case 18432000:
	300	master_rate = AD193X_PLL_INPUT_384;
	301	break;
	302	case 24576000:
	303	master_rate = AD193X_PLL_INPUT_512;
	304	break;
	305	case 36864000:
	306	master_rate = AD193X_PLL_INPUT_768;
	307	break;
	308	}
	309
34cbe168	310	regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL0,
54c96cfd	311	AD193X_PLL_INPUT_MASK, master_rate);
fab90aa4	312
34cbe168	313	regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
54c96cfd AL	314	AD193X_DAC_WORD_LEN_MASK,
54c96cfd AL	315	word_len << AD193X_DAC_WORD_LEN_SHFT);
a1533d94	316
e5224f58 CP	317	if (ad193x_has_adc(ad193x))
	318	regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
	319	AD193X_ADC_WORD_LEN_MASK, word_len);
a1533d94 BS	320
	321	return 0;
	322	}
	323
85e7652d	324	static const struct snd_soc_dai_ops ad193x_dai_ops = {
9dd7b79a BS	325	.hw_params = ad193x_hw_params,
	326	.digital_mute = ad193x_mute,
	327	.set_tdm_slot = ad193x_set_tdm_slot,
fab90aa4	328	.set_sysclk = ad193x_set_dai_sysclk,
9dd7b79a BS	329	.set_fmt = ad193x_set_dai_fmt,
	330	};
	331
	332	/* codec DAI instance */
f0fba2ad LG	333	static struct snd_soc_dai_driver ad193x_dai = {
f0fba2ad LG	334	.name = "ad193x-hifi",
9dd7b79a BS	335	.playback = {
	336	.stream_name = "Playback",
	337	.channels_min = 2,
	338	.channels_max = 8,
	339	.rates = SNDRV_PCM_RATE_48000,
	340	.formats = SNDRV_PCM_FMTBIT_S32_LE \| SNDRV_PCM_FMTBIT_S16_LE \|
	341	SNDRV_PCM_FMTBIT_S20_3LE \| SNDRV_PCM_FMTBIT_S24_LE,
	342	},
	343	.capture = {
	344	.stream_name = "Capture",
	345	.channels_min = 2,
	346	.channels_max = 4,
	347	.rates = SNDRV_PCM_RATE_48000,
	348	.formats = SNDRV_PCM_FMTBIT_S32_LE \| SNDRV_PCM_FMTBIT_S16_LE \|
	349	SNDRV_PCM_FMTBIT_S20_3LE \| SNDRV_PCM_FMTBIT_S24_LE,
	350	},
	351	.ops = &ad193x_dai_ops,
	352	};
9dd7b79a	353
6c3d713e	354	static int ad193x_codec_probe(struct snd_soc_codec *codec)
a1533d94	355	{
f0fba2ad	356	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
e5224f58 CP	357	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
e5224f58 CP	358	int num, ret;
a1533d94	359
f0fba2ad	360	/* default setting for ad193x */
a1533d94	361
f0fba2ad	362	/* unmute dac channels */
34cbe168	363	regmap_write(ad193x->regmap, AD193X_DAC_CHNL_MUTE, 0x0);
f0fba2ad	364	/* de-emphasis: 48kHz, powedown dac */
34cbe168	365	regmap_write(ad193x->regmap, AD193X_DAC_CTRL2, 0x1A);
bdb2c74d LPC	366	/* dac in tdm mode */
bdb2c74d LPC	367	regmap_write(ad193x->regmap, AD193X_DAC_CTRL0, 0x40);
e5224f58 CP	368
	369	/* adc only */
	370	if (ad193x_has_adc(ad193x)) {
	371	/* high-pass filter enable */
	372	regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3);
	373	/* sata delay=1, adc aux mode */
	374	regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43);
	375	}
	376
f0fba2ad	377	/* pll input: mclki/xi */
34cbe168 LPC	378	regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
34cbe168 LPC	379	regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04);
a1533d94	380
e5224f58 CP	381	/* adc only */
	382	if (ad193x_has_adc(ad193x)) {
	383	/* add adc controls */
	384	num = ARRAY_SIZE(ad193x_adc_snd_controls);
	385	ret = snd_soc_add_codec_controls(codec,
	386	ad193x_adc_snd_controls,
	387	num);
	388	if (ret)
	389	return ret;
	390
	391	/* add adc widgets */
	392	num = ARRAY_SIZE(ad193x_adc_widgets);
	393	ret = snd_soc_dapm_new_controls(dapm,
	394	ad193x_adc_widgets,
	395	num);
	396	if (ret)
	397	return ret;
	398
	399	/* add adc routes */
	400	num = ARRAY_SIZE(ad193x_adc_audio_paths);
	401	ret = snd_soc_dapm_add_routes(dapm,
	402	ad193x_adc_audio_paths,
	403	num);
	404	if (ret)
	405	return ret;
	406	}
	407
5d6be5aa	408	return 0;
a1533d94 BS	409	}
a1533d94 BS	410
f0fba2ad	411	static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
6c3d713e	412	.probe = ad193x_codec_probe,
1d09e8c3 KM	413	.component_driver = {
	414	.controls = ad193x_snd_controls,
	415	.num_controls = ARRAY_SIZE(ad193x_snd_controls),
	416	.dapm_widgets = ad193x_dapm_widgets,
	417	.num_dapm_widgets = ARRAY_SIZE(ad193x_dapm_widgets),
	418	.dapm_routes = audio_paths,
	419	.num_dapm_routes = ARRAY_SIZE(audio_paths),
	420	},
a1533d94	421	};
a1533d94	422
6c3d713e	423	const struct regmap_config ad193x_regmap_config = {
34cbe168	424	.max_register = AD193X_NUM_REGS - 1,
30ab1e78	425	};
6c3d713e	426	EXPORT_SYMBOL_GPL(ad193x_regmap_config);
30ab1e78	427
e5224f58 CP	428	int ad193x_probe(struct device dev, struct regmap regmap,
e5224f58 CP	429	enum ad193x_type type)
a1533d94	430	{
f0fba2ad	431	struct ad193x_priv *ad193x;
f0fba2ad	432
6c3d713e LPC	433	if (IS_ERR(regmap))
6c3d713e LPC	434	return PTR_ERR(regmap);
a1533d94	435
6c3d713e	436	ad193x = devm_kzalloc(dev, sizeof(*ad193x), GFP_KERNEL);
f0fba2ad LG	437	if (ad193x == NULL)
	438	return -ENOMEM;
	439
6c3d713e	440	ad193x->regmap = regmap;
e5224f58	441	ad193x->type = type;
a1533d94	442
6c3d713e	443	dev_set_drvdata(dev, ad193x);
a1533d94	444
6c3d713e LPC	445	return snd_soc_register_codec(dev, &soc_codec_dev_ad193x,
6c3d713e LPC	446	&ad193x_dai, 1);
a1533d94	447	}
6c3d713e	448	EXPORT_SYMBOL_GPL(ad193x_probe);
a1533d94 BS	449
	450	MODULE_DESCRIPTION("ASoC ad193x driver");
	451	MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
	452	MODULE_LICENSE("GPL");