[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/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/spi/spi.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;
	int sysclk;
};

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

static const struct soc_enum ad193x_deemp_enum =
	SOC_ENUM_SINGLE(AD193X_DAC_CTRL2, 1, 4, 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),

	/* 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),

	/* 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),

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

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

static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
	SND_SOC_DAPM_DAC("DAC", "Playback", AD193X_DAC_CTRL0, 0, 1),
	SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0),
	SND_SOC_DAPM_OUTPUT("DAC1OUT"),
	SND_SOC_DAPM_OUTPUT("DAC2OUT"),
	SND_SOC_DAPM_OUTPUT("DAC3OUT"),
	SND_SOC_DAPM_OUTPUT("DAC4OUT"),
	SND_SOC_DAPM_INPUT("ADC1IN"),
	SND_SOC_DAPM_INPUT("ADC2IN"),
};

static const struct snd_soc_dapm_route audio_paths[] = {
	{ "DAC", NULL, "SYSCLK" },
	{ "ADC", NULL, "SYSCLK" },
	{ "DAC", NULL, "ADC_PWR" },
	{ "ADC", NULL, "ADC_PWR" },
	{ "DAC1OUT", NULL, "DAC" },
	{ "DAC2OUT", NULL, "DAC" },
	{ "DAC3OUT", NULL, "DAC" },
	{ "DAC4OUT", NULL, "DAC" },
	{ "ADC", NULL, "ADC1IN" },
	{ "ADC", NULL, "ADC2IN" },
	{ "SYSCLK", NULL, "PLL_PWR" },
};

/*
 * DAI ops entries
 */

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

	if (mute)
		snd_soc_update_bits(codec, AD193X_DAC_CTRL2,
				    AD193X_DAC_MASTER_MUTE,
				    AD193X_DAC_MASTER_MUTE);
	else
		snd_soc_update_bits(codec, 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 snd_soc_codec *codec = dai->codec;
	int dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1);
	int adc_reg = snd_soc_read(codec, AD193X_ADC_CTRL2);

	dac_reg &= ~AD193X_DAC_CHAN_MASK;
	adc_reg &= ~AD193X_ADC_CHAN_MASK;

	switch (slots) {
	case 2:
		dac_reg |= AD193X_DAC_2_CHANNELS << AD193X_DAC_CHAN_SHFT;
		adc_reg |= AD193X_ADC_2_CHANNELS << AD193X_ADC_CHAN_SHFT;
		break;
	case 4:
		dac_reg |= AD193X_DAC_4_CHANNELS << AD193X_DAC_CHAN_SHFT;
		adc_reg |= AD193X_ADC_4_CHANNELS << AD193X_ADC_CHAN_SHFT;
		break;
	case 8:
		dac_reg |= AD193X_DAC_8_CHANNELS << AD193X_DAC_CHAN_SHFT;
		adc_reg |= AD193X_ADC_8_CHANNELS << AD193X_ADC_CHAN_SHFT;
		break;
	case 16:
		dac_reg |= AD193X_DAC_16_CHANNELS << AD193X_DAC_CHAN_SHFT;
		adc_reg |= AD193X_ADC_16_CHANNELS << AD193X_ADC_CHAN_SHFT;
		break;
	default:
		return -EINVAL;
	}

	snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);
	snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg);

	return 0;
}

static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
		unsigned int fmt)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	int adc_reg1, adc_reg2, dac_reg;

	adc_reg1 = snd_soc_read(codec, AD193X_ADC_CTRL1);
	adc_reg2 = snd_soc_read(codec, AD193X_ADC_CTRL2);
	dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1);

	/* 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_reg1 &= ~AD193X_ADC_SERFMT_MASK;
		adc_reg1 |= AD193X_ADC_SERFMT_TDM;
		break;
	case SND_SOC_DAIFMT_DSP_A:
		adc_reg1 &= ~AD193X_ADC_SERFMT_MASK;
		adc_reg1 |= AD193X_ADC_SERFMT_AUX;
		break;
	default:
		return -EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */
		adc_reg2 &= ~AD193X_ADC_LEFT_HIGH;
		adc_reg2 &= ~AD193X_ADC_BCLK_INV;
		dac_reg &= ~AD193X_DAC_LEFT_HIGH;
		dac_reg &= ~AD193X_DAC_BCLK_INV;
		break;
	case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
		adc_reg2 |= AD193X_ADC_LEFT_HIGH;
		adc_reg2 &= ~AD193X_ADC_BCLK_INV;
		dac_reg |= AD193X_DAC_LEFT_HIGH;
		dac_reg &= ~AD193X_DAC_BCLK_INV;
		break;
	case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
		adc_reg2 &= ~AD193X_ADC_LEFT_HIGH;
		adc_reg2 |= AD193X_ADC_BCLK_INV;
		dac_reg &= ~AD193X_DAC_LEFT_HIGH;
		dac_reg |= AD193X_DAC_BCLK_INV;
		break;

	case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
		adc_reg2 |= AD193X_ADC_LEFT_HIGH;
		adc_reg2 |= AD193X_ADC_BCLK_INV;
		dac_reg |= AD193X_DAC_LEFT_HIGH;
		dac_reg |= 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_reg2 |= AD193X_ADC_LCR_MASTER;
		adc_reg2 |= AD193X_ADC_BCLK_MASTER;
		dac_reg |= AD193X_DAC_LCR_MASTER;
		dac_reg |= AD193X_DAC_BCLK_MASTER;
		break;
	case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */
		adc_reg2 |= AD193X_ADC_LCR_MASTER;
		adc_reg2 &= ~AD193X_ADC_BCLK_MASTER;
		dac_reg |= AD193X_DAC_LCR_MASTER;
		dac_reg &= ~AD193X_DAC_BCLK_MASTER;
		break;
	case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */
		adc_reg2 &= ~AD193X_ADC_LCR_MASTER;
		adc_reg2 |= AD193X_ADC_BCLK_MASTER;
		dac_reg &= ~AD193X_DAC_LCR_MASTER;
		dac_reg |= AD193X_DAC_BCLK_MASTER;
		break;
	case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */
		adc_reg2 &= ~AD193X_ADC_LCR_MASTER;
		adc_reg2 &= ~AD193X_ADC_BCLK_MASTER;
		dac_reg &= ~AD193X_DAC_LCR_MASTER;
		dac_reg &= ~AD193X_DAC_BCLK_MASTER;
		break;
	default:
		return -EINVAL;
	}

	snd_soc_write(codec, AD193X_ADC_CTRL1, adc_reg1);
	snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg2);
	snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);

	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_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->codec;
	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);

	/* bit size */
	switch (params_format(params)) {
	case SNDRV_PCM_FORMAT_S16_LE:
		word_len = 3;
		break;
	case SNDRV_PCM_FORMAT_S20_3LE:
		word_len = 1;
		break;
	case SNDRV_PCM_FORMAT_S24_LE:
	case SNDRV_PCM_FORMAT_S32_LE:
		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;
	}

	snd_soc_update_bits(codec, AD193X_PLL_CLK_CTRL0,
			    AD193X_PLL_INPUT_MASK, master_rate);

	snd_soc_update_bits(codec, AD193X_DAC_CTRL2,
			    AD193X_DAC_WORD_LEN_MASK,
			    word_len << AD193X_DAC_WORD_LEN_SHFT);

	snd_soc_update_bits(codec, 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_probe(struct snd_soc_codec *codec)
{
	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
	int ret;

	codec->control_data = ad193x->regmap;
	ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
	if (ret < 0) {
		dev_err(codec->dev, "failed to set cache I/O: %d\n", ret);
		return ret;
	}

	/* default setting for ad193x */

	/* unmute dac channels */
	snd_soc_write(codec, AD193X_DAC_CHNL_MUTE, 0x0);
	/* de-emphasis: 48kHz, powedown dac */
	snd_soc_write(codec, AD193X_DAC_CTRL2, 0x1A);
	/* powerdown dac, dac in tdm mode */
	snd_soc_write(codec, AD193X_DAC_CTRL0, 0x41);
	/* high-pass filter enable */
	snd_soc_write(codec, AD193X_ADC_CTRL0, 0x3);
	/* sata delay=1, adc aux mode */
	snd_soc_write(codec, AD193X_ADC_CTRL1, 0x43);
	/* pll input: mclki/xi */
	snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
	snd_soc_write(codec, AD193X_PLL_CLK_CTRL1, 0x04);

	return ret;
}

static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
	.probe = 	ad193x_probe,
	.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),
};

#if defined(CONFIG_SPI_MASTER)

static const struct regmap_config ad193x_spi_regmap_config = {
	.val_bits = 8,
	.reg_bits = 16,
	.read_flag_mask = 0x09,
	.write_flag_mask = 0x08,
};

static int __devinit ad193x_spi_probe(struct spi_device *spi)
{
	struct ad193x_priv *ad193x;
	int ret;

	ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
	if (ad193x == NULL)
		return -ENOMEM;

	ad193x->regmap = regmap_init_spi(spi, &ad193x_spi_regmap_config);
	if (IS_ERR(ad193x->regmap)) {
		ret = PTR_ERR(ad193x->regmap);
		goto err_free;
	}

	spi_set_drvdata(spi, ad193x);

	ret = snd_soc_register_codec(&spi->dev,
			&soc_codec_dev_ad193x, &ad193x_dai, 1);
	if (ret < 0)
		goto err_regmap_exit;

	return 0;

err_regmap_exit:
	regmap_exit(ad193x->regmap);
err_free:
	kfree(ad193x);

	return ret;
}

static int __devexit ad193x_spi_remove(struct spi_device *spi)
{
	struct ad193x_priv *ad193x = spi_get_drvdata(spi);

	snd_soc_unregister_codec(&spi->dev);
	regmap_exit(ad193x->regmap);
	kfree(ad193x);
	return 0;
}

static struct spi_driver ad193x_spi_driver = {
	.driver = {
		.name	= "ad193x",
		.owner	= THIS_MODULE,
	},
	.probe		= ad193x_spi_probe,
	.remove		= __devexit_p(ad193x_spi_remove),
};
#endif

#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)

static const struct regmap_config ad193x_i2c_regmap_config = {
	.val_bits = 8,
	.reg_bits = 8,
};

static const struct i2c_device_id ad193x_id[] = {
	{ "ad1936", 0 },
	{ "ad1937", 0 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, ad193x_id);

static int __devinit ad193x_i2c_probe(struct i2c_client *client,
		const struct i2c_device_id *id)
{
	struct ad193x_priv *ad193x;
	int ret;

	ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
	if (ad193x == NULL)
		return -ENOMEM;

	ad193x->regmap = regmap_init_i2c(client, &ad193x_i2c_regmap_config);
	if (IS_ERR(ad193x->regmap)) {
		ret = PTR_ERR(ad193x->regmap);
		goto err_free;
	}

	i2c_set_clientdata(client, ad193x);

	ret =  snd_soc_register_codec(&client->dev,
			&soc_codec_dev_ad193x, &ad193x_dai, 1);
	if (ret < 0)
		goto err_regmap_exit;

	return 0;

err_regmap_exit:
	regmap_exit(ad193x->regmap);
err_free:
	kfree(ad193x);
	return ret;
}

static int __devexit ad193x_i2c_remove(struct i2c_client *client)
{
	struct ad193x_priv *ad193x = i2c_get_clientdata(client);

	snd_soc_unregister_codec(&client->dev);
	regmap_exit(ad193x->regmap);
	kfree(ad193x);
	return 0;
}

static struct i2c_driver ad193x_i2c_driver = {
	.driver = {
		.name = "ad193x",
	},
	.probe    = ad193x_i2c_probe,
	.remove   = __devexit_p(ad193x_i2c_remove),
	.id_table = ad193x_id,
};
#endif

static int __init ad193x_modinit(void)
{
	int ret;

#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
	ret =  i2c_add_driver(&ad193x_i2c_driver);
	if (ret != 0) {
		printk(KERN_ERR "Failed to register AD193X I2C driver: %d\n",
				ret);
	}
#endif

#if defined(CONFIG_SPI_MASTER)
	ret = spi_register_driver(&ad193x_spi_driver);
	if (ret != 0) {
		printk(KERN_ERR "Failed to register AD193X SPI driver: %d\n",
				ret);
	}
#endif
	return ret;
}
module_init(ad193x_modinit);

static void __exit ad193x_modexit(void)
{
#if defined(CONFIG_SPI_MASTER)
	spi_unregister_driver(&ad193x_spi_driver);
#endif

#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
	i2c_del_driver(&ad193x_i2c_driver);
#endif
}
module_exit(ad193x_modexit);

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
	9	#include <linux/init.h>
	10	#include <linux/module.h>
	11	#include <linux/kernel.h>
	12	#include <linux/device.h>
	13	#include <linux/i2c.h>
	14	#include <linux/spi/spi.h>
1b132ea0	15	#include <linux/slab.h>
a1533d94 BS	16	#include <sound/core.h>
	17	#include <sound/pcm.h>
	18	#include <sound/pcm_params.h>
	19	#include <sound/initval.h>
	20	#include <sound/soc.h>
	21	#include <sound/tlv.h>
a1533d94 BS	22	#include "ad193x.h"
	23
	24	/* codec private data */
	25	struct ad193x_priv {
30ab1e78	26	struct regmap *regmap;
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 BS	34
	35	static const struct soc_enum ad193x_deemp_enum =
	36	SOC_ENUM_SINGLE(AD193X_DAC_CTRL2, 1, 4, ad193x_deemp);
	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 BS	50
	51	/* ADC switch control */
	52	SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE,
	53	AD193X_ADCR1_MUTE, 1, 1),
	54	SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE,
	55	AD193X_ADCR2_MUTE, 1, 1),
	56
	57	/* DAC switch control */
	58	SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE,
	59	AD193X_DACR1_MUTE, 1, 1),
	60	SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE,
	61	AD193X_DACR2_MUTE, 1, 1),
	62	SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE,
	63	AD193X_DACR3_MUTE, 1, 1),
	64	SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE,
	65	AD193X_DACR4_MUTE, 1, 1),
	66
	67	/* ADC high-pass filter */
	68	SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0,
	69	AD193X_ADC_HIGHPASS_FILTER, 1, 0),
	70
	71	/* DAC de-emphasis */
	72	SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum),
	73	};
	74
	75	static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
	76	SND_SOC_DAPM_DAC("DAC", "Playback", AD193X_DAC_CTRL0, 0, 1),
	77	SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
	78	SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0),
	79	SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
0718fd27	80	SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0),
a1533d94 BS	81	SND_SOC_DAPM_OUTPUT("DAC1OUT"),
	82	SND_SOC_DAPM_OUTPUT("DAC2OUT"),
	83	SND_SOC_DAPM_OUTPUT("DAC3OUT"),
	84	SND_SOC_DAPM_OUTPUT("DAC4OUT"),
	85	SND_SOC_DAPM_INPUT("ADC1IN"),
	86	SND_SOC_DAPM_INPUT("ADC2IN"),
	87	};
	88
	89	static const struct snd_soc_dapm_route audio_paths[] = {
0718fd27 LPC	90	{ "DAC", NULL, "SYSCLK" },
0718fd27 LPC	91	{ "ADC", NULL, "SYSCLK" },
a1533d94 BS	92	{ "DAC", NULL, "ADC_PWR" },
a1533d94 BS	93	{ "ADC", NULL, "ADC_PWR" },
b21990b4 LPC	94	{ "DAC1OUT", NULL, "DAC" },
	95	{ "DAC2OUT", NULL, "DAC" },
	96	{ "DAC3OUT", NULL, "DAC" },
	97	{ "DAC4OUT", NULL, "DAC" },
	98	{ "ADC", NULL, "ADC1IN" },
	99	{ "ADC", NULL, "ADC2IN" },
0718fd27	100	{ "SYSCLK", NULL, "PLL_PWR" },
a1533d94 BS	101	};
	102
	103	/*
	104	* DAI ops entries
	105	*/
	106
	107	static int ad193x_mute(struct snd_soc_dai *dai, int mute)
	108	{
	109	struct snd_soc_codec *codec = dai->codec;
a1533d94	110
54c96cfd AL	111	if (mute)
	112	snd_soc_update_bits(codec, AD193X_DAC_CTRL2,
	113	AD193X_DAC_MASTER_MUTE,
	114	AD193X_DAC_MASTER_MUTE);
	115	else
	116	snd_soc_update_bits(codec, AD193X_DAC_CTRL2,
	117	AD193X_DAC_MASTER_MUTE, 0);
a1533d94 BS	118
	119	return 0;
	120	}
	121
	122	static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
	123	unsigned int rx_mask, int slots, int width)
	124	{
	125	struct snd_soc_codec *codec = dai->codec;
	126	int dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1);
	127	int adc_reg = snd_soc_read(codec, AD193X_ADC_CTRL2);
	128
	129	dac_reg &= ~AD193X_DAC_CHAN_MASK;
	130	adc_reg &= ~AD193X_ADC_CHAN_MASK;
	131
	132	switch (slots) {
	133	case 2:
	134	dac_reg \|= AD193X_DAC_2_CHANNELS << AD193X_DAC_CHAN_SHFT;
	135	adc_reg \|= AD193X_ADC_2_CHANNELS << AD193X_ADC_CHAN_SHFT;
	136	break;
	137	case 4:
	138	dac_reg \|= AD193X_DAC_4_CHANNELS << AD193X_DAC_CHAN_SHFT;
	139	adc_reg \|= AD193X_ADC_4_CHANNELS << AD193X_ADC_CHAN_SHFT;
	140	break;
	141	case 8:
	142	dac_reg \|= AD193X_DAC_8_CHANNELS << AD193X_DAC_CHAN_SHFT;
	143	adc_reg \|= AD193X_ADC_8_CHANNELS << AD193X_ADC_CHAN_SHFT;
	144	break;
	145	case 16:
	146	dac_reg \|= AD193X_DAC_16_CHANNELS << AD193X_DAC_CHAN_SHFT;
	147	adc_reg \|= AD193X_ADC_16_CHANNELS << AD193X_ADC_CHAN_SHFT;
	148	break;
	149	default:
	150	return -EINVAL;
	151	}
	152
	153	snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);
	154	snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg);
	155
	156	return 0;
	157	}
	158
	159	static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
	160	unsigned int fmt)
	161	{
	162	struct snd_soc_codec *codec = codec_dai->codec;
d6bdc0f7	163	int adc_reg1, adc_reg2, dac_reg;
a1533d94	164
d6bdc0f7 BS	165	adc_reg1 = snd_soc_read(codec, AD193X_ADC_CTRL1);
d6bdc0f7 BS	166	adc_reg2 = snd_soc_read(codec, AD193X_ADC_CTRL2);
a1533d94 BS	167	dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1);
	168
	169	/* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S
	170	* with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A)
	171	*/
	172	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	173	case SND_SOC_DAIFMT_I2S:
d6bdc0f7 BS	174	adc_reg1 &= ~AD193X_ADC_SERFMT_MASK;
d6bdc0f7 BS	175	adc_reg1 \|= AD193X_ADC_SERFMT_TDM;
a1533d94 BS	176	break;
a1533d94 BS	177	case SND_SOC_DAIFMT_DSP_A:
d6bdc0f7 BS	178	adc_reg1 &= ~AD193X_ADC_SERFMT_MASK;
d6bdc0f7 BS	179	adc_reg1 \|= AD193X_ADC_SERFMT_AUX;
a1533d94 BS	180	break;
	181	default:
	182	return -EINVAL;
	183	}
	184
	185	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	186	case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */
d6bdc0f7 BS	187	adc_reg2 &= ~AD193X_ADC_LEFT_HIGH;
d6bdc0f7 BS	188	adc_reg2 &= ~AD193X_ADC_BCLK_INV;
a1533d94 BS	189	dac_reg &= ~AD193X_DAC_LEFT_HIGH;
	190	dac_reg &= ~AD193X_DAC_BCLK_INV;
	191	break;
	192	case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
d6bdc0f7 BS	193	adc_reg2 \|= AD193X_ADC_LEFT_HIGH;
d6bdc0f7 BS	194	adc_reg2 &= ~AD193X_ADC_BCLK_INV;
a1533d94 BS	195	dac_reg \|= AD193X_DAC_LEFT_HIGH;
	196	dac_reg &= ~AD193X_DAC_BCLK_INV;
	197	break;
	198	case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
d6bdc0f7 BS	199	adc_reg2 &= ~AD193X_ADC_LEFT_HIGH;
d6bdc0f7 BS	200	adc_reg2 \|= AD193X_ADC_BCLK_INV;
a1533d94 BS	201	dac_reg &= ~AD193X_DAC_LEFT_HIGH;
	202	dac_reg \|= AD193X_DAC_BCLK_INV;
	203	break;
	204
	205	case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
d6bdc0f7 BS	206	adc_reg2 \|= AD193X_ADC_LEFT_HIGH;
d6bdc0f7 BS	207	adc_reg2 \|= AD193X_ADC_BCLK_INV;
a1533d94 BS	208	dac_reg \|= AD193X_DAC_LEFT_HIGH;
	209	dac_reg \|= AD193X_DAC_BCLK_INV;
	210	break;
	211	default:
	212	return -EINVAL;
	213	}
	214
	215	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	216	case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */
d6bdc0f7 BS	217	adc_reg2 \|= AD193X_ADC_LCR_MASTER;
d6bdc0f7 BS	218	adc_reg2 \|= AD193X_ADC_BCLK_MASTER;
a1533d94 BS	219	dac_reg \|= AD193X_DAC_LCR_MASTER;
	220	dac_reg \|= AD193X_DAC_BCLK_MASTER;
	221	break;
	222	case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */
d6bdc0f7 BS	223	adc_reg2 \|= AD193X_ADC_LCR_MASTER;
d6bdc0f7 BS	224	adc_reg2 &= ~AD193X_ADC_BCLK_MASTER;
a1533d94 BS	225	dac_reg \|= AD193X_DAC_LCR_MASTER;
	226	dac_reg &= ~AD193X_DAC_BCLK_MASTER;
	227	break;
	228	case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */
d6bdc0f7 BS	229	adc_reg2 &= ~AD193X_ADC_LCR_MASTER;
d6bdc0f7 BS	230	adc_reg2 \|= AD193X_ADC_BCLK_MASTER;
a1533d94 BS	231	dac_reg &= ~AD193X_DAC_LCR_MASTER;
	232	dac_reg \|= AD193X_DAC_BCLK_MASTER;
	233	break;
	234	case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */
d6bdc0f7 BS	235	adc_reg2 &= ~AD193X_ADC_LCR_MASTER;
d6bdc0f7 BS	236	adc_reg2 &= ~AD193X_ADC_BCLK_MASTER;
a1533d94 BS	237	dac_reg &= ~AD193X_DAC_LCR_MASTER;
	238	dac_reg &= ~AD193X_DAC_BCLK_MASTER;
	239	break;
	240	default:
	241	return -EINVAL;
	242	}
	243
d6bdc0f7 BS	244	snd_soc_write(codec, AD193X_ADC_CTRL1, adc_reg1);
d6bdc0f7 BS	245	snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg2);
a1533d94 BS	246	snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);
	247
	248	return 0;
	249	}
	250
fab90aa4 BS	251	static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
	252	int clk_id, unsigned int freq, int dir)
	253	{
	254	struct snd_soc_codec *codec = codec_dai->codec;
	255	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
	256	switch (freq) {
	257	case 12288000:
	258	case 18432000:
	259	case 24576000:
	260	case 36864000:
	261	ad193x->sysclk = freq;
	262	return 0;
	263	}
	264	return -EINVAL;
	265	}
	266
a1533d94 BS	267	static int ad193x_hw_params(struct snd_pcm_substream *substream,
	268	struct snd_pcm_hw_params *params,
	269	struct snd_soc_dai *dai)
	270	{
54c96cfd	271	int word_len = 0, master_rate = 0;
a1533d94 BS	272
a1533d94 BS	273	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	274	struct snd_soc_codec *codec = rtd->codec;
fab90aa4	275	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
a1533d94 BS	276
	277	/* bit size */
	278	switch (params_format(params)) {
	279	case SNDRV_PCM_FORMAT_S16_LE:
	280	word_len = 3;
	281	break;
	282	case SNDRV_PCM_FORMAT_S20_3LE:
	283	word_len = 1;
	284	break;
	285	case SNDRV_PCM_FORMAT_S24_LE:
	286	case SNDRV_PCM_FORMAT_S32_LE:
	287	word_len = 0;
	288	break;
	289	}
	290
fab90aa4 BS	291	switch (ad193x->sysclk) {
	292	case 12288000:
	293	master_rate = AD193X_PLL_INPUT_256;
	294	break;
	295	case 18432000:
	296	master_rate = AD193X_PLL_INPUT_384;
	297	break;
	298	case 24576000:
	299	master_rate = AD193X_PLL_INPUT_512;
	300	break;
	301	case 36864000:
	302	master_rate = AD193X_PLL_INPUT_768;
	303	break;
	304	}
	305
54c96cfd AL	306	snd_soc_update_bits(codec, AD193X_PLL_CLK_CTRL0,
54c96cfd AL	307	AD193X_PLL_INPUT_MASK, master_rate);
fab90aa4	308
54c96cfd AL	309	snd_soc_update_bits(codec, AD193X_DAC_CTRL2,
	310	AD193X_DAC_WORD_LEN_MASK,
	311	word_len << AD193X_DAC_WORD_LEN_SHFT);
a1533d94	312
54c96cfd AL	313	snd_soc_update_bits(codec, AD193X_ADC_CTRL1,
54c96cfd AL	314	AD193X_ADC_WORD_LEN_MASK, word_len);
a1533d94 BS	315
	316	return 0;
	317	}
	318
85e7652d	319	static const struct snd_soc_dai_ops ad193x_dai_ops = {
9dd7b79a BS	320	.hw_params = ad193x_hw_params,
	321	.digital_mute = ad193x_mute,
	322	.set_tdm_slot = ad193x_set_tdm_slot,
fab90aa4	323	.set_sysclk = ad193x_set_dai_sysclk,
9dd7b79a BS	324	.set_fmt = ad193x_set_dai_fmt,
	325	};
	326
	327	/* codec DAI instance */
f0fba2ad LG	328	static struct snd_soc_dai_driver ad193x_dai = {
f0fba2ad LG	329	.name = "ad193x-hifi",
9dd7b79a BS	330	.playback = {
	331	.stream_name = "Playback",
	332	.channels_min = 2,
	333	.channels_max = 8,
	334	.rates = SNDRV_PCM_RATE_48000,
	335	.formats = SNDRV_PCM_FMTBIT_S32_LE \| SNDRV_PCM_FMTBIT_S16_LE \|
	336	SNDRV_PCM_FMTBIT_S20_3LE \| SNDRV_PCM_FMTBIT_S24_LE,
	337	},
	338	.capture = {
	339	.stream_name = "Capture",
	340	.channels_min = 2,
	341	.channels_max = 4,
	342	.rates = SNDRV_PCM_RATE_48000,
	343	.formats = SNDRV_PCM_FMTBIT_S32_LE \| SNDRV_PCM_FMTBIT_S16_LE \|
	344	SNDRV_PCM_FMTBIT_S20_3LE \| SNDRV_PCM_FMTBIT_S24_LE,
	345	},
	346	.ops = &ad193x_dai_ops,
	347	};
9dd7b79a	348
f0fba2ad	349	static int ad193x_probe(struct snd_soc_codec *codec)
a1533d94	350	{
f0fba2ad LG	351	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
f0fba2ad LG	352	int ret;
a1533d94	353
30ab1e78 LPC	354	codec->control_data = ad193x->regmap;
30ab1e78 LPC	355	ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
f0fba2ad	356	if (ret < 0) {
119bfef2	357	dev_err(codec->dev, "failed to set cache I/O: %d\n", ret);
f0fba2ad	358	return ret;
a1533d94 BS	359	}
a1533d94 BS	360
f0fba2ad	361	/* default setting for ad193x */
a1533d94	362
f0fba2ad LG	363	/* unmute dac channels */
	364	snd_soc_write(codec, AD193X_DAC_CHNL_MUTE, 0x0);
	365	/* de-emphasis: 48kHz, powedown dac */
	366	snd_soc_write(codec, AD193X_DAC_CTRL2, 0x1A);
	367	/* powerdown dac, dac in tdm mode */
	368	snd_soc_write(codec, AD193X_DAC_CTRL0, 0x41);
	369	/* high-pass filter enable */
	370	snd_soc_write(codec, AD193X_ADC_CTRL0, 0x3);
	371	/* sata delay=1, adc aux mode */
	372	snd_soc_write(codec, AD193X_ADC_CTRL1, 0x43);
	373	/* pll input: mclki/xi */
	374	snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
	375	snd_soc_write(codec, AD193X_PLL_CLK_CTRL1, 0x04);
a1533d94	376
a1533d94 BS	377	return ret;
	378	}
	379
f0fba2ad	380	static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
a1533d94	381	.probe = ad193x_probe,
b90d4183 LPC	382	.controls = ad193x_snd_controls,
	383	.num_controls = ARRAY_SIZE(ad193x_snd_controls),
	384	.dapm_widgets = ad193x_dapm_widgets,
	385	.num_dapm_widgets = ARRAY_SIZE(ad193x_dapm_widgets),
	386	.dapm_routes = audio_paths,
	387	.num_dapm_routes = ARRAY_SIZE(audio_paths),
a1533d94	388	};
a1533d94 BS	389
a1533d94 BS	390	#if defined(CONFIG_SPI_MASTER)
30ab1e78 LPC	391
	392	static const struct regmap_config ad193x_spi_regmap_config = {
	393	.val_bits = 8,
	394	.reg_bits = 16,
	395	.read_flag_mask = 0x09,
	396	.write_flag_mask = 0x08,
	397	};
	398
a1533d94 BS	399	static int __devinit ad193x_spi_probe(struct spi_device *spi)
a1533d94 BS	400	{
f0fba2ad LG	401	struct ad193x_priv *ad193x;
	402	int ret;
	403
	404	ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
	405	if (ad193x == NULL)
	406	return -ENOMEM;
	407
30ab1e78 LPC	408	ad193x->regmap = regmap_init_spi(spi, &ad193x_spi_regmap_config);
	409	if (IS_ERR(ad193x->regmap)) {
	410	ret = PTR_ERR(ad193x->regmap);
	411	goto err_free;
	412	}
	413
f0fba2ad	414	spi_set_drvdata(spi, ad193x);
f0fba2ad LG	415
	416	ret = snd_soc_register_codec(&spi->dev,
	417	&soc_codec_dev_ad193x, &ad193x_dai, 1);
	418	if (ret < 0)
30ab1e78 LPC	419	goto err_regmap_exit;
	420
	421	return 0;
	422
	423	err_regmap_exit:
	424	regmap_exit(ad193x->regmap);
	425	err_free:
	426	kfree(ad193x);
	427
f0fba2ad	428	return ret;
a1533d94 BS	429	}
	430
	431	static int __devexit ad193x_spi_remove(struct spi_device *spi)
	432	{
30ab1e78 LPC	433	struct ad193x_priv *ad193x = spi_get_drvdata(spi);
30ab1e78 LPC	434
f0fba2ad	435	snd_soc_unregister_codec(&spi->dev);
30ab1e78 LPC	436	regmap_exit(ad193x->regmap);
30ab1e78 LPC	437	kfree(ad193x);
f0fba2ad	438	return 0;
a1533d94 BS	439	}
	440
	441	static struct spi_driver ad193x_spi_driver = {
	442	.driver = {
e43a7d41	443	.name = "ad193x",
a1533d94 BS	444	.owner = THIS_MODULE,
	445	},
	446	.probe = ad193x_spi_probe,
	447	.remove = __devexit_p(ad193x_spi_remove),
	448	};
	449	#endif
	450
	451	#if defined(CONFIG_I2C) \|\| defined(CONFIG_I2C_MODULE)
30ab1e78 LPC	452
	453	static const struct regmap_config ad193x_i2c_regmap_config = {
	454	.val_bits = 8,
	455	.reg_bits = 8,
	456	};
	457
a1533d94 BS	458	static const struct i2c_device_id ad193x_id[] = {
	459	{ "ad1936", 0 },
	460	{ "ad1937", 0 },
	461	{ }
	462	};
	463	MODULE_DEVICE_TABLE(i2c, ad193x_id);
	464
	465	static int __devinit ad193x_i2c_probe(struct i2c_client *client,
	466	const struct i2c_device_id *id)
	467	{
f0fba2ad LG	468	struct ad193x_priv *ad193x;
	469	int ret;
	470
	471	ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
	472	if (ad193x == NULL)
	473	return -ENOMEM;
	474
30ab1e78 LPC	475	ad193x->regmap = regmap_init_i2c(client, &ad193x_i2c_regmap_config);
	476	if (IS_ERR(ad193x->regmap)) {
	477	ret = PTR_ERR(ad193x->regmap);
	478	goto err_free;
	479	}
	480
f0fba2ad	481	i2c_set_clientdata(client, ad193x);
f0fba2ad LG	482
	483	ret = snd_soc_register_codec(&client->dev,
	484	&soc_codec_dev_ad193x, &ad193x_dai, 1);
	485	if (ret < 0)
30ab1e78 LPC	486	goto err_regmap_exit;
	487
	488	return 0;
	489
	490	err_regmap_exit:
	491	regmap_exit(ad193x->regmap);
	492	err_free:
	493	kfree(ad193x);
f0fba2ad	494	return ret;
a1533d94 BS	495	}
	496
	497	static int __devexit ad193x_i2c_remove(struct i2c_client *client)
	498	{
30ab1e78 LPC	499	struct ad193x_priv *ad193x = i2c_get_clientdata(client);
30ab1e78 LPC	500
f0fba2ad	501	snd_soc_unregister_codec(&client->dev);
30ab1e78 LPC	502	regmap_exit(ad193x->regmap);
30ab1e78 LPC	503	kfree(ad193x);
f0fba2ad	504	return 0;
a1533d94 BS	505	}
	506
	507	static struct i2c_driver ad193x_i2c_driver = {
	508	.driver = {
e43a7d41	509	.name = "ad193x",
a1533d94 BS	510	},
	511	.probe = ad193x_i2c_probe,
	512	.remove = __devexit_p(ad193x_i2c_remove),
	513	.id_table = ad193x_id,
	514	};
	515	#endif
	516
	517	static int __init ad193x_modinit(void)
	518	{
	519	int ret;
	520
	521	#if defined(CONFIG_I2C) \|\| defined(CONFIG_I2C_MODULE)
	522	ret = i2c_add_driver(&ad193x_i2c_driver);
	523	if (ret != 0) {
	524	printk(KERN_ERR "Failed to register AD193X I2C driver: %d\n",
	525	ret);
	526	}
	527	#endif
	528
	529	#if defined(CONFIG_SPI_MASTER)
	530	ret = spi_register_driver(&ad193x_spi_driver);
	531	if (ret != 0) {
	532	printk(KERN_ERR "Failed to register AD193X SPI driver: %d\n",
	533	ret);
	534	}
	535	#endif
	536	return ret;
	537	}
	538	module_init(ad193x_modinit);
	539
	540	static void __exit ad193x_modexit(void)
	541	{
	542	#if defined(CONFIG_SPI_MASTER)
	543	spi_unregister_driver(&ad193x_spi_driver);
	544	#endif
	545
	546	#if defined(CONFIG_I2C) \|\| defined(CONFIG_I2C_MODULE)
	547	i2c_del_driver(&ad193x_i2c_driver);
	548	#endif
	549	}
	550	module_exit(ad193x_modexit);
	551
	552	MODULE_DESCRIPTION("ASoC ad193x driver");
	553	MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
	554	MODULE_LICENSE("GPL");