[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 *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_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, "PLL_PWR" },
	{ "ADC", NULL, "PLL_PWR" },
	{ "DAC", NULL, "ADC_PWR" },
	{ "ADC", NULL, "ADC_PWR" },
	{ "DAC1OUT", "DAC1 Switch", "DAC" },
	{ "DAC2OUT", "DAC2 Switch", "DAC" },
	{ "DAC3OUT", "DAC3 Switch", "DAC" },
	{ "DAC4OUT", "DAC4 Switch", "DAC" },
	{ "ADC", "ADC1 Switch", "ADC1IN" },
	{ "ADC", "ADC2 Switch", "ADC2IN" },
};

/*
 * 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	*/
	33	static const char *ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"};
	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),
	80	SND_SOC_DAPM_OUTPUT("DAC1OUT"),
	81	SND_SOC_DAPM_OUTPUT("DAC2OUT"),
	82	SND_SOC_DAPM_OUTPUT("DAC3OUT"),
	83	SND_SOC_DAPM_OUTPUT("DAC4OUT"),
	84	SND_SOC_DAPM_INPUT("ADC1IN"),
	85	SND_SOC_DAPM_INPUT("ADC2IN"),
	86	};
	87
	88	static const struct snd_soc_dapm_route audio_paths[] = {
	89	{ "DAC", NULL, "PLL_PWR" },
	90	{ "ADC", NULL, "PLL_PWR" },
	91	{ "DAC", NULL, "ADC_PWR" },
	92	{ "ADC", NULL, "ADC_PWR" },
	93	{ "DAC1OUT", "DAC1 Switch", "DAC" },
	94	{ "DAC2OUT", "DAC2 Switch", "DAC" },
	95	{ "DAC3OUT", "DAC3 Switch", "DAC" },
	96	{ "DAC4OUT", "DAC4 Switch", "DAC" },
	97	{ "ADC", "ADC1 Switch", "ADC1IN" },
	98	{ "ADC", "ADC2 Switch", "ADC2IN" },
	99	};
	100
	101	/*
	102	* DAI ops entries
	103	*/
	104
	105	static int ad193x_mute(struct snd_soc_dai *dai, int mute)
	106	{
	107	struct snd_soc_codec *codec = dai->codec;
a1533d94	108
54c96cfd AL	109	if (mute)
	110	snd_soc_update_bits(codec, AD193X_DAC_CTRL2,
	111	AD193X_DAC_MASTER_MUTE,
	112	AD193X_DAC_MASTER_MUTE);
	113	else
	114	snd_soc_update_bits(codec, AD193X_DAC_CTRL2,
	115	AD193X_DAC_MASTER_MUTE, 0);
a1533d94 BS	116
	117	return 0;
	118	}
	119
	120	static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
	121	unsigned int rx_mask, int slots, int width)
	122	{
	123	struct snd_soc_codec *codec = dai->codec;
	124	int dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1);
	125	int adc_reg = snd_soc_read(codec, AD193X_ADC_CTRL2);
	126
	127	dac_reg &= ~AD193X_DAC_CHAN_MASK;
	128	adc_reg &= ~AD193X_ADC_CHAN_MASK;
	129
	130	switch (slots) {
	131	case 2:
	132	dac_reg \|= AD193X_DAC_2_CHANNELS << AD193X_DAC_CHAN_SHFT;
	133	adc_reg \|= AD193X_ADC_2_CHANNELS << AD193X_ADC_CHAN_SHFT;
	134	break;
	135	case 4:
	136	dac_reg \|= AD193X_DAC_4_CHANNELS << AD193X_DAC_CHAN_SHFT;
	137	adc_reg \|= AD193X_ADC_4_CHANNELS << AD193X_ADC_CHAN_SHFT;
	138	break;
	139	case 8:
	140	dac_reg \|= AD193X_DAC_8_CHANNELS << AD193X_DAC_CHAN_SHFT;
	141	adc_reg \|= AD193X_ADC_8_CHANNELS << AD193X_ADC_CHAN_SHFT;
	142	break;
	143	case 16:
	144	dac_reg \|= AD193X_DAC_16_CHANNELS << AD193X_DAC_CHAN_SHFT;
	145	adc_reg \|= AD193X_ADC_16_CHANNELS << AD193X_ADC_CHAN_SHFT;
	146	break;
	147	default:
	148	return -EINVAL;
	149	}
	150
	151	snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);
	152	snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg);
	153
	154	return 0;
	155	}
	156
	157	static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
	158	unsigned int fmt)
	159	{
	160	struct snd_soc_codec *codec = codec_dai->codec;
d6bdc0f7	161	int adc_reg1, adc_reg2, dac_reg;
a1533d94	162
d6bdc0f7 BS	163	adc_reg1 = snd_soc_read(codec, AD193X_ADC_CTRL1);
d6bdc0f7 BS	164	adc_reg2 = snd_soc_read(codec, AD193X_ADC_CTRL2);
a1533d94 BS	165	dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1);
	166
	167	/* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S
	168	* with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A)
	169	*/
	170	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	171	case SND_SOC_DAIFMT_I2S:
d6bdc0f7 BS	172	adc_reg1 &= ~AD193X_ADC_SERFMT_MASK;
d6bdc0f7 BS	173	adc_reg1 \|= AD193X_ADC_SERFMT_TDM;
a1533d94 BS	174	break;
a1533d94 BS	175	case SND_SOC_DAIFMT_DSP_A:
d6bdc0f7 BS	176	adc_reg1 &= ~AD193X_ADC_SERFMT_MASK;
d6bdc0f7 BS	177	adc_reg1 \|= AD193X_ADC_SERFMT_AUX;
a1533d94 BS	178	break;
	179	default:
	180	return -EINVAL;
	181	}
	182
	183	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	184	case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */
d6bdc0f7 BS	185	adc_reg2 &= ~AD193X_ADC_LEFT_HIGH;
d6bdc0f7 BS	186	adc_reg2 &= ~AD193X_ADC_BCLK_INV;
a1533d94 BS	187	dac_reg &= ~AD193X_DAC_LEFT_HIGH;
	188	dac_reg &= ~AD193X_DAC_BCLK_INV;
	189	break;
	190	case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
d6bdc0f7 BS	191	adc_reg2 \|= AD193X_ADC_LEFT_HIGH;
d6bdc0f7 BS	192	adc_reg2 &= ~AD193X_ADC_BCLK_INV;
a1533d94 BS	193	dac_reg \|= AD193X_DAC_LEFT_HIGH;
	194	dac_reg &= ~AD193X_DAC_BCLK_INV;
	195	break;
	196	case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
d6bdc0f7 BS	197	adc_reg2 &= ~AD193X_ADC_LEFT_HIGH;
d6bdc0f7 BS	198	adc_reg2 \|= AD193X_ADC_BCLK_INV;
a1533d94 BS	199	dac_reg &= ~AD193X_DAC_LEFT_HIGH;
	200	dac_reg \|= AD193X_DAC_BCLK_INV;
	201	break;
	202
	203	case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
d6bdc0f7 BS	204	adc_reg2 \|= AD193X_ADC_LEFT_HIGH;
d6bdc0f7 BS	205	adc_reg2 \|= AD193X_ADC_BCLK_INV;
a1533d94 BS	206	dac_reg \|= AD193X_DAC_LEFT_HIGH;
	207	dac_reg \|= AD193X_DAC_BCLK_INV;
	208	break;
	209	default:
	210	return -EINVAL;
	211	}
	212
	213	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	214	case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */
d6bdc0f7 BS	215	adc_reg2 \|= AD193X_ADC_LCR_MASTER;
d6bdc0f7 BS	216	adc_reg2 \|= AD193X_ADC_BCLK_MASTER;
a1533d94 BS	217	dac_reg \|= AD193X_DAC_LCR_MASTER;
	218	dac_reg \|= AD193X_DAC_BCLK_MASTER;
	219	break;
	220	case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */
d6bdc0f7 BS	221	adc_reg2 \|= AD193X_ADC_LCR_MASTER;
d6bdc0f7 BS	222	adc_reg2 &= ~AD193X_ADC_BCLK_MASTER;
a1533d94 BS	223	dac_reg \|= AD193X_DAC_LCR_MASTER;
	224	dac_reg &= ~AD193X_DAC_BCLK_MASTER;
	225	break;
	226	case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */
d6bdc0f7 BS	227	adc_reg2 &= ~AD193X_ADC_LCR_MASTER;
d6bdc0f7 BS	228	adc_reg2 \|= AD193X_ADC_BCLK_MASTER;
a1533d94 BS	229	dac_reg &= ~AD193X_DAC_LCR_MASTER;
	230	dac_reg \|= AD193X_DAC_BCLK_MASTER;
	231	break;
	232	case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */
d6bdc0f7 BS	233	adc_reg2 &= ~AD193X_ADC_LCR_MASTER;
d6bdc0f7 BS	234	adc_reg2 &= ~AD193X_ADC_BCLK_MASTER;
a1533d94 BS	235	dac_reg &= ~AD193X_DAC_LCR_MASTER;
	236	dac_reg &= ~AD193X_DAC_BCLK_MASTER;
	237	break;
	238	default:
	239	return -EINVAL;
	240	}
	241
d6bdc0f7 BS	242	snd_soc_write(codec, AD193X_ADC_CTRL1, adc_reg1);
d6bdc0f7 BS	243	snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg2);
a1533d94 BS	244	snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);
	245
	246	return 0;
	247	}
	248
fab90aa4 BS	249	static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
	250	int clk_id, unsigned int freq, int dir)
	251	{
	252	struct snd_soc_codec *codec = codec_dai->codec;
	253	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
	254	switch (freq) {
	255	case 12288000:
	256	case 18432000:
	257	case 24576000:
	258	case 36864000:
	259	ad193x->sysclk = freq;
	260	return 0;
	261	}
	262	return -EINVAL;
	263	}
	264
a1533d94 BS	265	static int ad193x_hw_params(struct snd_pcm_substream *substream,
	266	struct snd_pcm_hw_params *params,
	267	struct snd_soc_dai *dai)
	268	{
54c96cfd	269	int word_len = 0, master_rate = 0;
a1533d94 BS	270
a1533d94 BS	271	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	272	struct snd_soc_codec *codec = rtd->codec;
fab90aa4	273	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
a1533d94 BS	274
	275	/* bit size */
	276	switch (params_format(params)) {
	277	case SNDRV_PCM_FORMAT_S16_LE:
	278	word_len = 3;
	279	break;
	280	case SNDRV_PCM_FORMAT_S20_3LE:
	281	word_len = 1;
	282	break;
	283	case SNDRV_PCM_FORMAT_S24_LE:
	284	case SNDRV_PCM_FORMAT_S32_LE:
	285	word_len = 0;
	286	break;
	287	}
	288
fab90aa4 BS	289	switch (ad193x->sysclk) {
	290	case 12288000:
	291	master_rate = AD193X_PLL_INPUT_256;
	292	break;
	293	case 18432000:
	294	master_rate = AD193X_PLL_INPUT_384;
	295	break;
	296	case 24576000:
	297	master_rate = AD193X_PLL_INPUT_512;
	298	break;
	299	case 36864000:
	300	master_rate = AD193X_PLL_INPUT_768;
	301	break;
	302	}
	303
54c96cfd AL	304	snd_soc_update_bits(codec, AD193X_PLL_CLK_CTRL0,
54c96cfd AL	305	AD193X_PLL_INPUT_MASK, master_rate);
fab90aa4	306
54c96cfd AL	307	snd_soc_update_bits(codec, AD193X_DAC_CTRL2,
	308	AD193X_DAC_WORD_LEN_MASK,
	309	word_len << AD193X_DAC_WORD_LEN_SHFT);
a1533d94	310
54c96cfd AL	311	snd_soc_update_bits(codec, AD193X_ADC_CTRL1,
54c96cfd AL	312	AD193X_ADC_WORD_LEN_MASK, word_len);
a1533d94 BS	313
	314	return 0;
	315	}
	316
85e7652d	317	static const struct snd_soc_dai_ops ad193x_dai_ops = {
9dd7b79a BS	318	.hw_params = ad193x_hw_params,
	319	.digital_mute = ad193x_mute,
	320	.set_tdm_slot = ad193x_set_tdm_slot,
fab90aa4	321	.set_sysclk = ad193x_set_dai_sysclk,
9dd7b79a BS	322	.set_fmt = ad193x_set_dai_fmt,
	323	};
	324
	325	/* codec DAI instance */
f0fba2ad LG	326	static struct snd_soc_dai_driver ad193x_dai = {
f0fba2ad LG	327	.name = "ad193x-hifi",
9dd7b79a BS	328	.playback = {
	329	.stream_name = "Playback",
	330	.channels_min = 2,
	331	.channels_max = 8,
	332	.rates = SNDRV_PCM_RATE_48000,
	333	.formats = SNDRV_PCM_FMTBIT_S32_LE \| SNDRV_PCM_FMTBIT_S16_LE \|
	334	SNDRV_PCM_FMTBIT_S20_3LE \| SNDRV_PCM_FMTBIT_S24_LE,
	335	},
	336	.capture = {
	337	.stream_name = "Capture",
	338	.channels_min = 2,
	339	.channels_max = 4,
	340	.rates = SNDRV_PCM_RATE_48000,
	341	.formats = SNDRV_PCM_FMTBIT_S32_LE \| SNDRV_PCM_FMTBIT_S16_LE \|
	342	SNDRV_PCM_FMTBIT_S20_3LE \| SNDRV_PCM_FMTBIT_S24_LE,
	343	},
	344	.ops = &ad193x_dai_ops,
	345	};
9dd7b79a	346
f0fba2ad	347	static int ad193x_probe(struct snd_soc_codec *codec)
a1533d94	348	{
f0fba2ad LG	349	struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
f0fba2ad LG	350	int ret;
a1533d94	351
30ab1e78 LPC	352	codec->control_data = ad193x->regmap;
30ab1e78 LPC	353	ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
f0fba2ad	354	if (ret < 0) {
119bfef2	355	dev_err(codec->dev, "failed to set cache I/O: %d\n", ret);
f0fba2ad	356	return ret;
a1533d94 BS	357	}
a1533d94 BS	358
f0fba2ad	359	/* default setting for ad193x */
a1533d94	360
f0fba2ad LG	361	/* unmute dac channels */
	362	snd_soc_write(codec, AD193X_DAC_CHNL_MUTE, 0x0);
	363	/* de-emphasis: 48kHz, powedown dac */
	364	snd_soc_write(codec, AD193X_DAC_CTRL2, 0x1A);
	365	/* powerdown dac, dac in tdm mode */
	366	snd_soc_write(codec, AD193X_DAC_CTRL0, 0x41);
	367	/* high-pass filter enable */
	368	snd_soc_write(codec, AD193X_ADC_CTRL0, 0x3);
	369	/* sata delay=1, adc aux mode */
	370	snd_soc_write(codec, AD193X_ADC_CTRL1, 0x43);
	371	/* pll input: mclki/xi */
	372	snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
	373	snd_soc_write(codec, AD193X_PLL_CLK_CTRL1, 0x04);
a1533d94	374
a1533d94 BS	375	return ret;
	376	}
	377
f0fba2ad	378	static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
a1533d94	379	.probe = ad193x_probe,
b90d4183 LPC	380	.controls = ad193x_snd_controls,
	381	.num_controls = ARRAY_SIZE(ad193x_snd_controls),
	382	.dapm_widgets = ad193x_dapm_widgets,
	383	.num_dapm_widgets = ARRAY_SIZE(ad193x_dapm_widgets),
	384	.dapm_routes = audio_paths,
	385	.num_dapm_routes = ARRAY_SIZE(audio_paths),
a1533d94	386	};
a1533d94 BS	387
a1533d94 BS	388	#if defined(CONFIG_SPI_MASTER)
30ab1e78 LPC	389
	390	static const struct regmap_config ad193x_spi_regmap_config = {
	391	.val_bits = 8,
	392	.reg_bits = 16,
	393	.read_flag_mask = 0x09,
	394	.write_flag_mask = 0x08,
	395	};
	396
a1533d94 BS	397	static int __devinit ad193x_spi_probe(struct spi_device *spi)
a1533d94 BS	398	{
f0fba2ad LG	399	struct ad193x_priv *ad193x;
	400	int ret;
	401
	402	ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
	403	if (ad193x == NULL)
	404	return -ENOMEM;
	405
30ab1e78 LPC	406	ad193x->regmap = regmap_init_spi(spi, &ad193x_spi_regmap_config);
	407	if (IS_ERR(ad193x->regmap)) {
	408	ret = PTR_ERR(ad193x->regmap);
	409	goto err_free;
	410	}
	411
f0fba2ad	412	spi_set_drvdata(spi, ad193x);
f0fba2ad LG	413
	414	ret = snd_soc_register_codec(&spi->dev,
	415	&soc_codec_dev_ad193x, &ad193x_dai, 1);
	416	if (ret < 0)
30ab1e78 LPC	417	goto err_regmap_exit;
	418
	419	return 0;
	420
	421	err_regmap_exit:
	422	regmap_exit(ad193x->regmap);
	423	err_free:
	424	kfree(ad193x);
	425
f0fba2ad	426	return ret;
a1533d94 BS	427	}
	428
	429	static int __devexit ad193x_spi_remove(struct spi_device *spi)
	430	{
30ab1e78 LPC	431	struct ad193x_priv *ad193x = spi_get_drvdata(spi);
30ab1e78 LPC	432
f0fba2ad	433	snd_soc_unregister_codec(&spi->dev);
30ab1e78 LPC	434	regmap_exit(ad193x->regmap);
30ab1e78 LPC	435	kfree(ad193x);
f0fba2ad	436	return 0;
a1533d94 BS	437	}
	438
	439	static struct spi_driver ad193x_spi_driver = {
	440	.driver = {
e43a7d41	441	.name = "ad193x",
a1533d94 BS	442	.owner = THIS_MODULE,
	443	},
	444	.probe = ad193x_spi_probe,
	445	.remove = __devexit_p(ad193x_spi_remove),
	446	};
	447	#endif
	448
	449	#if defined(CONFIG_I2C) \|\| defined(CONFIG_I2C_MODULE)
30ab1e78 LPC	450
	451	static const struct regmap_config ad193x_i2c_regmap_config = {
	452	.val_bits = 8,
	453	.reg_bits = 8,
	454	};
	455
a1533d94 BS	456	static const struct i2c_device_id ad193x_id[] = {
	457	{ "ad1936", 0 },
	458	{ "ad1937", 0 },
	459	{ }
	460	};
	461	MODULE_DEVICE_TABLE(i2c, ad193x_id);
	462
	463	static int __devinit ad193x_i2c_probe(struct i2c_client *client,
	464	const struct i2c_device_id *id)
	465	{
f0fba2ad LG	466	struct ad193x_priv *ad193x;
	467	int ret;
	468
	469	ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
	470	if (ad193x == NULL)
	471	return -ENOMEM;
	472
30ab1e78 LPC	473	ad193x->regmap = regmap_init_i2c(client, &ad193x_i2c_regmap_config);
	474	if (IS_ERR(ad193x->regmap)) {
	475	ret = PTR_ERR(ad193x->regmap);
	476	goto err_free;
	477	}
	478
f0fba2ad	479	i2c_set_clientdata(client, ad193x);
f0fba2ad LG	480
	481	ret = snd_soc_register_codec(&client->dev,
	482	&soc_codec_dev_ad193x, &ad193x_dai, 1);
	483	if (ret < 0)
30ab1e78 LPC	484	goto err_regmap_exit;
	485
	486	return 0;
	487
	488	err_regmap_exit:
	489	regmap_exit(ad193x->regmap);
	490	err_free:
	491	kfree(ad193x);
f0fba2ad	492	return ret;
a1533d94 BS	493	}
	494
	495	static int __devexit ad193x_i2c_remove(struct i2c_client *client)
	496	{
30ab1e78 LPC	497	struct ad193x_priv *ad193x = i2c_get_clientdata(client);
30ab1e78 LPC	498
f0fba2ad	499	snd_soc_unregister_codec(&client->dev);
30ab1e78 LPC	500	regmap_exit(ad193x->regmap);
30ab1e78 LPC	501	kfree(ad193x);
f0fba2ad	502	return 0;
a1533d94 BS	503	}
	504
	505	static struct i2c_driver ad193x_i2c_driver = {
	506	.driver = {
e43a7d41	507	.name = "ad193x",
a1533d94 BS	508	},
	509	.probe = ad193x_i2c_probe,
	510	.remove = __devexit_p(ad193x_i2c_remove),
	511	.id_table = ad193x_id,
	512	};
	513	#endif
	514
	515	static int __init ad193x_modinit(void)
	516	{
	517	int ret;
	518
	519	#if defined(CONFIG_I2C) \|\| defined(CONFIG_I2C_MODULE)
	520	ret = i2c_add_driver(&ad193x_i2c_driver);
	521	if (ret != 0) {
	522	printk(KERN_ERR "Failed to register AD193X I2C driver: %d\n",
	523	ret);
	524	}
	525	#endif
	526
	527	#if defined(CONFIG_SPI_MASTER)
	528	ret = spi_register_driver(&ad193x_spi_driver);
	529	if (ret != 0) {
	530	printk(KERN_ERR "Failed to register AD193X SPI driver: %d\n",
	531	ret);
	532	}
	533	#endif
	534	return ret;
	535	}
	536	module_init(ad193x_modinit);
	537
	538	static void __exit ad193x_modexit(void)
	539	{
	540	#if defined(CONFIG_SPI_MASTER)
	541	spi_unregister_driver(&ad193x_spi_driver);
	542	#endif
	543
	544	#if defined(CONFIG_I2C) \|\| defined(CONFIG_I2C_MODULE)
	545	i2c_del_driver(&ad193x_i2c_driver);
	546	#endif
	547	}
	548	module_exit(ad193x_modexit);
	549
	550	MODULE_DESCRIPTION("ASoC ad193x driver");
	551	MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
	552	MODULE_LICENSE("GPL");