select SND_SOC_L3
select SND_SOC_AC97_CODEC if SND_SOC_AC97_BUS
select SND_SOC_AD1836 if SPI_MASTER
- select SND_SOC_AD1938 if SPI_MASTER
+ select SND_SOC_AD193X if SND_SOC_I2C_AND_SPI
select SND_SOC_AD1980 if SND_SOC_AC97_BUS
select SND_SOC_ADS117X
select SND_SOC_AD73311 if I2C
config SND_SOC_AD1836
tristate
-config SND_SOC_AD1938
+config SND_SOC_AD193X
tristate
config SND_SOC_AD1980
snd-soc-ac97-objs := ac97.o
snd-soc-ad1836-objs := ad1836.o
-snd-soc-ad1938-objs := ad1938.o
+snd-soc-ad193x-objs := ad193x.o
snd-soc-ad1980-objs := ad1980.o
snd-soc-ad73311-objs := ad73311.o
snd-soc-ads117x-objs := ads117x.o
obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
obj-$(CONFIG_SND_SOC_AD1836) += snd-soc-ad1836.o
-obj-$(CONFIG_SND_SOC_AD1938) += snd-soc-ad1938.o
+obj-$(CONFIG_SND_SOC_AD193X) += snd-soc-ad193x.o
obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o
obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
obj-$(CONFIG_SND_SOC_ADS117X) += snd-soc-ads117x.o
+++ /dev/null
-/*
- * File: sound/soc/codecs/ad1938.c
- * Author: Barry Song <Barry.Song@analog.com>
- *
- * Created: June 04 2009
- * Description: Driver for AD1938 sound chip
- *
- * Modified:
- * Copyright 2009 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/device.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 <sound/soc-dapm.h>
-#include <linux/spi/spi.h>
-#include "ad1938.h"
-
-/* codec private data */
-struct ad1938_priv {
- struct snd_soc_codec codec;
- u8 reg_cache[AD1938_NUM_REGS];
-};
-
-/* ad1938 register cache & default register settings */
-static const u8 ad1938_reg[AD1938_NUM_REGS] = {
- 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0,
-};
-
-static struct snd_soc_codec *ad1938_codec;
-struct snd_soc_codec_device soc_codec_dev_ad1938;
-static int ad1938_register(struct ad1938_priv *ad1938);
-static void ad1938_unregister(struct ad1938_priv *ad1938);
-
-/*
- * AD1938 volume/mute/de-emphasis etc. controls
- */
-static const char *ad1938_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"};
-
-static const struct soc_enum ad1938_deemp_enum =
- SOC_ENUM_SINGLE(AD1938_DAC_CTRL2, 1, 4, ad1938_deemp);
-
-static const struct snd_kcontrol_new ad1938_snd_controls[] = {
- /* DAC volume control */
- SOC_DOUBLE_R("DAC1 Volume", AD1938_DAC_L1_VOL,
- AD1938_DAC_R1_VOL, 0, 0xFF, 1),
- SOC_DOUBLE_R("DAC2 Volume", AD1938_DAC_L2_VOL,
- AD1938_DAC_R2_VOL, 0, 0xFF, 1),
- SOC_DOUBLE_R("DAC3 Volume", AD1938_DAC_L3_VOL,
- AD1938_DAC_R3_VOL, 0, 0xFF, 1),
- SOC_DOUBLE_R("DAC4 Volume", AD1938_DAC_L4_VOL,
- AD1938_DAC_R4_VOL, 0, 0xFF, 1),
-
- /* ADC switch control */
- SOC_DOUBLE("ADC1 Switch", AD1938_ADC_CTRL0, AD1938_ADCL1_MUTE,
- AD1938_ADCR1_MUTE, 1, 1),
- SOC_DOUBLE("ADC2 Switch", AD1938_ADC_CTRL0, AD1938_ADCL2_MUTE,
- AD1938_ADCR2_MUTE, 1, 1),
-
- /* DAC switch control */
- SOC_DOUBLE("DAC1 Switch", AD1938_DAC_CHNL_MUTE, AD1938_DACL1_MUTE,
- AD1938_DACR1_MUTE, 1, 1),
- SOC_DOUBLE("DAC2 Switch", AD1938_DAC_CHNL_MUTE, AD1938_DACL2_MUTE,
- AD1938_DACR2_MUTE, 1, 1),
- SOC_DOUBLE("DAC3 Switch", AD1938_DAC_CHNL_MUTE, AD1938_DACL3_MUTE,
- AD1938_DACR3_MUTE, 1, 1),
- SOC_DOUBLE("DAC4 Switch", AD1938_DAC_CHNL_MUTE, AD1938_DACL4_MUTE,
- AD1938_DACR4_MUTE, 1, 1),
-
- /* ADC high-pass filter */
- SOC_SINGLE("ADC High Pass Filter Switch", AD1938_ADC_CTRL0,
- AD1938_ADC_HIGHPASS_FILTER, 1, 0),
-
- /* DAC de-emphasis */
- SOC_ENUM("Playback Deemphasis", ad1938_deemp_enum),
-};
-
-static const struct snd_soc_dapm_widget ad1938_dapm_widgets[] = {
- SND_SOC_DAPM_DAC("DAC", "Playback", AD1938_DAC_CTRL0, 0, 1),
- SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_SUPPLY("PLL_PWR", AD1938_PLL_CLK_CTRL0, 0, 1, NULL, 0),
- SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1938_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 ad1938_mute(struct snd_soc_dai *dai, int mute)
-{
- struct snd_soc_codec *codec = dai->codec;
- int reg;
-
- reg = snd_soc_read(codec, AD1938_DAC_CTRL2);
- reg = (mute > 0) ? reg | AD1938_DAC_MASTER_MUTE : reg &
- (~AD1938_DAC_MASTER_MUTE);
- snd_soc_write(codec, AD1938_DAC_CTRL2, reg);
-
- return 0;
-}
-
-static int ad1938_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, AD1938_DAC_CTRL1);
- int adc_reg = snd_soc_read(codec, AD1938_ADC_CTRL2);
-
- dac_reg &= ~AD1938_DAC_CHAN_MASK;
- adc_reg &= ~AD1938_ADC_CHAN_MASK;
-
- switch (slots) {
- case 2:
- dac_reg |= AD1938_DAC_2_CHANNELS << AD1938_DAC_CHAN_SHFT;
- adc_reg |= AD1938_ADC_2_CHANNELS << AD1938_ADC_CHAN_SHFT;
- break;
- case 4:
- dac_reg |= AD1938_DAC_4_CHANNELS << AD1938_DAC_CHAN_SHFT;
- adc_reg |= AD1938_ADC_4_CHANNELS << AD1938_ADC_CHAN_SHFT;
- break;
- case 8:
- dac_reg |= AD1938_DAC_8_CHANNELS << AD1938_DAC_CHAN_SHFT;
- adc_reg |= AD1938_ADC_8_CHANNELS << AD1938_ADC_CHAN_SHFT;
- break;
- case 16:
- dac_reg |= AD1938_DAC_16_CHANNELS << AD1938_DAC_CHAN_SHFT;
- adc_reg |= AD1938_ADC_16_CHANNELS << AD1938_ADC_CHAN_SHFT;
- break;
- default:
- return -EINVAL;
- }
-
- snd_soc_write(codec, AD1938_DAC_CTRL1, dac_reg);
- snd_soc_write(codec, AD1938_ADC_CTRL2, adc_reg);
-
- return 0;
-}
-
-static int ad1938_set_dai_fmt(struct snd_soc_dai *codec_dai,
- unsigned int fmt)
-{
- struct snd_soc_codec *codec = codec_dai->codec;
- int adc_reg, dac_reg;
-
- adc_reg = snd_soc_read(codec, AD1938_ADC_CTRL2);
- dac_reg = snd_soc_read(codec, AD1938_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_reg &= ~AD1938_ADC_SERFMT_MASK;
- adc_reg |= AD1938_ADC_SERFMT_TDM;
- break;
- case SND_SOC_DAIFMT_DSP_A:
- adc_reg &= ~AD1938_ADC_SERFMT_MASK;
- adc_reg |= AD1938_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_reg &= ~AD1938_ADC_LEFT_HIGH;
- adc_reg &= ~AD1938_ADC_BCLK_INV;
- dac_reg &= ~AD1938_DAC_LEFT_HIGH;
- dac_reg &= ~AD1938_DAC_BCLK_INV;
- break;
- case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
- adc_reg |= AD1938_ADC_LEFT_HIGH;
- adc_reg &= ~AD1938_ADC_BCLK_INV;
- dac_reg |= AD1938_DAC_LEFT_HIGH;
- dac_reg &= ~AD1938_DAC_BCLK_INV;
- break;
- case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
- adc_reg &= ~AD1938_ADC_LEFT_HIGH;
- adc_reg |= AD1938_ADC_BCLK_INV;
- dac_reg &= ~AD1938_DAC_LEFT_HIGH;
- dac_reg |= AD1938_DAC_BCLK_INV;
- break;
-
- case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
- adc_reg |= AD1938_ADC_LEFT_HIGH;
- adc_reg |= AD1938_ADC_BCLK_INV;
- dac_reg |= AD1938_DAC_LEFT_HIGH;
- dac_reg |= AD1938_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_reg |= AD1938_ADC_LCR_MASTER;
- adc_reg |= AD1938_ADC_BCLK_MASTER;
- dac_reg |= AD1938_DAC_LCR_MASTER;
- dac_reg |= AD1938_DAC_BCLK_MASTER;
- break;
- case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */
- adc_reg |= AD1938_ADC_LCR_MASTER;
- adc_reg &= ~AD1938_ADC_BCLK_MASTER;
- dac_reg |= AD1938_DAC_LCR_MASTER;
- dac_reg &= ~AD1938_DAC_BCLK_MASTER;
- break;
- case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */
- adc_reg &= ~AD1938_ADC_LCR_MASTER;
- adc_reg |= AD1938_ADC_BCLK_MASTER;
- dac_reg &= ~AD1938_DAC_LCR_MASTER;
- dac_reg |= AD1938_DAC_BCLK_MASTER;
- break;
- case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */
- adc_reg &= ~AD1938_ADC_LCR_MASTER;
- adc_reg &= ~AD1938_ADC_BCLK_MASTER;
- dac_reg &= ~AD1938_DAC_LCR_MASTER;
- dac_reg &= ~AD1938_DAC_BCLK_MASTER;
- break;
- default:
- return -EINVAL;
- }
-
- snd_soc_write(codec, AD1938_ADC_CTRL2, adc_reg);
- snd_soc_write(codec, AD1938_DAC_CTRL1, dac_reg);
-
- return 0;
-}
-
-static int ad1938_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- int word_len = 0, reg = 0;
-
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->card->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;
- }
-
- reg = snd_soc_read(codec, AD1938_DAC_CTRL2);
- reg = (reg & (~AD1938_DAC_WORD_LEN_MASK)) | word_len;
- snd_soc_write(codec, AD1938_DAC_CTRL2, reg);
-
- reg = snd_soc_read(codec, AD1938_ADC_CTRL1);
- reg = (reg & (~AD1938_ADC_WORD_LEN_MASK)) | word_len;
- snd_soc_write(codec, AD1938_ADC_CTRL1, reg);
-
- return 0;
-}
-
-static int __devinit ad1938_spi_probe(struct spi_device *spi)
-{
- struct snd_soc_codec *codec;
- struct ad1938_priv *ad1938;
-
- ad1938 = kzalloc(sizeof(struct ad1938_priv), GFP_KERNEL);
- if (ad1938 == NULL)
- return -ENOMEM;
-
- codec = &ad1938->codec;
- codec->control_data = spi;
- codec->dev = &spi->dev;
-
- dev_set_drvdata(&spi->dev, ad1938);
-
- return ad1938_register(ad1938);
-}
-
-static int __devexit ad1938_spi_remove(struct spi_device *spi)
-{
- struct ad1938_priv *ad1938 = dev_get_drvdata(&spi->dev);
-
- ad1938_unregister(ad1938);
- return 0;
-}
-
-static struct spi_driver ad1938_spi_driver = {
- .driver = {
- .name = "ad1938",
- .owner = THIS_MODULE,
- },
- .probe = ad1938_spi_probe,
- .remove = __devexit_p(ad1938_spi_remove),
-};
-
-static struct snd_soc_dai_ops ad1938_dai_ops = {
- .hw_params = ad1938_hw_params,
- .digital_mute = ad1938_mute,
- .set_tdm_slot = ad1938_set_tdm_slot,
- .set_fmt = ad1938_set_dai_fmt,
-};
-
-/* codec DAI instance */
-struct snd_soc_dai ad1938_dai = {
- .name = "AD1938",
- .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 = &ad1938_dai_ops,
-};
-EXPORT_SYMBOL_GPL(ad1938_dai);
-
-static int ad1938_register(struct ad1938_priv *ad1938)
-{
- int ret;
- struct snd_soc_codec *codec = &ad1938->codec;
-
- if (ad1938_codec) {
- dev_err(codec->dev, "Another ad1938 is registered\n");
- return -EINVAL;
- }
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
- codec->private_data = ad1938;
- codec->reg_cache = ad1938->reg_cache;
- codec->reg_cache_size = AD1938_NUM_REGS;
- codec->name = "AD1938";
- codec->owner = THIS_MODULE;
- codec->dai = &ad1938_dai;
- codec->num_dai = 1;
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- ad1938_dai.dev = codec->dev;
- ad1938_codec = codec;
-
- memcpy(codec->reg_cache, ad1938_reg, AD1938_NUM_REGS);
-
- ret = snd_soc_codec_set_cache_io(codec, 16, 8, SND_SOC_SPI);
- if (ret < 0) {
- dev_err(codec->dev, "failed to set cache I/O: %d\n",
- ret);
- kfree(ad1938);
- return ret;
- }
-
- /* default setting for ad1938 */
-
- /* unmute dac channels */
- snd_soc_write(codec, AD1938_DAC_CHNL_MUTE, 0x0);
- /* de-emphasis: 48kHz, powedown dac */
- snd_soc_write(codec, AD1938_DAC_CTRL2, 0x1A);
- /* powerdown dac, dac in tdm mode */
- snd_soc_write(codec, AD1938_DAC_CTRL0, 0x41);
- /* high-pass filter enable */
- snd_soc_write(codec, AD1938_ADC_CTRL0, 0x3);
- /* sata delay=1, adc aux mode */
- snd_soc_write(codec, AD1938_ADC_CTRL1, 0x43);
- /* pll input: mclki/xi */
- snd_soc_write(codec, AD1938_PLL_CLK_CTRL0, 0x9D);
- snd_soc_write(codec, AD1938_PLL_CLK_CTRL1, 0x04);
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- kfree(ad1938);
- return ret;
- }
-
- ret = snd_soc_register_dai(&ad1938_dai);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
- kfree(ad1938);
- return ret;
- }
-
- return 0;
-}
-
-static void ad1938_unregister(struct ad1938_priv *ad1938)
-{
- snd_soc_unregister_dai(&ad1938_dai);
- snd_soc_unregister_codec(&ad1938->codec);
- kfree(ad1938);
- ad1938_codec = NULL;
-}
-
-static int ad1938_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
-
- if (ad1938_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = ad1938_codec;
- codec = ad1938_codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms: %d\n", ret);
- goto pcm_err;
- }
-
- snd_soc_add_controls(codec, ad1938_snd_controls,
- ARRAY_SIZE(ad1938_snd_controls));
- snd_soc_dapm_new_controls(codec, ad1938_dapm_widgets,
- ARRAY_SIZE(ad1938_dapm_widgets));
- snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
-
-
-pcm_err:
- return ret;
-}
-
-/* power down chip */
-static int ad1938_remove(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_ad1938 = {
- .probe = ad1938_probe,
- .remove = ad1938_remove,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_ad1938);
-
-static int __init ad1938_init(void)
-{
- int ret;
-
- ret = spi_register_driver(&ad1938_spi_driver);
- if (ret != 0) {
- printk(KERN_ERR "Failed to register ad1938 SPI driver: %d\n",
- ret);
- }
-
- return ret;
-}
-module_init(ad1938_init);
-
-static void __exit ad1938_exit(void)
-{
- spi_unregister_driver(&ad1938_spi_driver);
-}
-module_exit(ad1938_exit);
-
-MODULE_DESCRIPTION("ASoC ad1938 driver");
-MODULE_AUTHOR("Barry Song ");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * File: sound/soc/codecs/ad1836.h
- * Based on:
- * Author: Barry Song <Barry.Song@analog.com>
- *
- * Created: May 25, 2009
- * Description: definitions for AD1938 registers
- *
- * Modified:
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __AD1938_H__
-#define __AD1938_H__
-
-#define AD1938_PLL_CLK_CTRL0 0
-#define AD1938_PLL_POWERDOWN 0x01
-#define AD1938_PLL_CLK_CTRL1 1
-#define AD1938_DAC_CTRL0 2
-#define AD1938_DAC_POWERDOWN 0x01
-#define AD1938_DAC_SERFMT_MASK 0xC0
-#define AD1938_DAC_SERFMT_STEREO (0 << 6)
-#define AD1938_DAC_SERFMT_TDM (1 << 6)
-#define AD1938_DAC_CTRL1 3
-#define AD1938_DAC_2_CHANNELS 0
-#define AD1938_DAC_4_CHANNELS 1
-#define AD1938_DAC_8_CHANNELS 2
-#define AD1938_DAC_16_CHANNELS 3
-#define AD1938_DAC_CHAN_SHFT 1
-#define AD1938_DAC_CHAN_MASK (3 << AD1938_DAC_CHAN_SHFT)
-#define AD1938_DAC_LCR_MASTER (1 << 4)
-#define AD1938_DAC_BCLK_MASTER (1 << 5)
-#define AD1938_DAC_LEFT_HIGH (1 << 3)
-#define AD1938_DAC_BCLK_INV (1 << 7)
-#define AD1938_DAC_CTRL2 4
-#define AD1938_DAC_WORD_LEN_MASK 0xC
-#define AD1938_DAC_MASTER_MUTE 1
-#define AD1938_DAC_CHNL_MUTE 5
-#define AD1938_DACL1_MUTE 0
-#define AD1938_DACR1_MUTE 1
-#define AD1938_DACL2_MUTE 2
-#define AD1938_DACR2_MUTE 3
-#define AD1938_DACL3_MUTE 4
-#define AD1938_DACR3_MUTE 5
-#define AD1938_DACL4_MUTE 6
-#define AD1938_DACR4_MUTE 7
-#define AD1938_DAC_L1_VOL 6
-#define AD1938_DAC_R1_VOL 7
-#define AD1938_DAC_L2_VOL 8
-#define AD1938_DAC_R2_VOL 9
-#define AD1938_DAC_L3_VOL 10
-#define AD1938_DAC_R3_VOL 11
-#define AD1938_DAC_L4_VOL 12
-#define AD1938_DAC_R4_VOL 13
-#define AD1938_ADC_CTRL0 14
-#define AD1938_ADC_POWERDOWN 0x01
-#define AD1938_ADC_HIGHPASS_FILTER 1
-#define AD1938_ADCL1_MUTE 2
-#define AD1938_ADCR1_MUTE 3
-#define AD1938_ADCL2_MUTE 4
-#define AD1938_ADCR2_MUTE 5
-#define AD1938_ADC_CTRL1 15
-#define AD1938_ADC_SERFMT_MASK 0x60
-#define AD1938_ADC_SERFMT_STEREO (0 << 5)
-#define AD1938_ADC_SERFMT_TDM (1 << 2)
-#define AD1938_ADC_SERFMT_AUX (2 << 5)
-#define AD1938_ADC_WORD_LEN_MASK 0x3
-#define AD1938_ADC_CTRL2 16
-#define AD1938_ADC_2_CHANNELS 0
-#define AD1938_ADC_4_CHANNELS 1
-#define AD1938_ADC_8_CHANNELS 2
-#define AD1938_ADC_16_CHANNELS 3
-#define AD1938_ADC_CHAN_SHFT 4
-#define AD1938_ADC_CHAN_MASK (3 << AD1938_ADC_CHAN_SHFT)
-#define AD1938_ADC_LCR_MASTER (1 << 3)
-#define AD1938_ADC_BCLK_MASTER (1 << 6)
-#define AD1938_ADC_LEFT_HIGH (1 << 2)
-#define AD1938_ADC_BCLK_INV (1 << 1)
-
-#define AD1938_NUM_REGS 17
-
-extern struct snd_soc_dai ad1938_dai;
-extern struct snd_soc_codec_device soc_codec_dev_ad1938;
-#endif
--- /dev/null
+/*
+ * 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 <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 <sound/soc-dapm.h>
+#include "ad193x.h"
+
+/* codec private data */
+struct ad193x_priv {
+ struct snd_soc_codec codec;
+ u8 reg_cache[AD193X_NUM_REGS];
+};
+
+/* ad193x register cache & default register settings */
+static const u8 ad193x_reg[AD193X_NUM_REGS] = {
+ 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0,
+};
+
+static struct snd_soc_codec *ad193x_codec;
+struct snd_soc_codec_device soc_codec_dev_ad193x;
+static int ad193x_register(struct ad193x_priv *ad193x, int bus_type);
+static void ad193x_unregister(struct ad193x_priv *ad193x);
+
+/*
+ * 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 struct snd_kcontrol_new ad193x_snd_controls[] = {
+ /* DAC volume control */
+ SOC_DOUBLE_R("DAC1 Volume", AD193X_DAC_L1_VOL,
+ AD193X_DAC_R1_VOL, 0, 0xFF, 1),
+ SOC_DOUBLE_R("DAC2 Volume", AD193X_DAC_L2_VOL,
+ AD193X_DAC_R2_VOL, 0, 0xFF, 1),
+ SOC_DOUBLE_R("DAC3 Volume", AD193X_DAC_L3_VOL,
+ AD193X_DAC_R3_VOL, 0, 0xFF, 1),
+ SOC_DOUBLE_R("DAC4 Volume", AD193X_DAC_L4_VOL,
+ AD193X_DAC_R4_VOL, 0, 0xFF, 1),
+
+ /* 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;
+ int reg;
+
+ reg = snd_soc_read(codec, AD193X_DAC_CTRL2);
+ reg = (mute > 0) ? reg | AD193X_DAC_MASTER_MUTE : reg &
+ (~AD193X_DAC_MASTER_MUTE);
+ snd_soc_write(codec, AD193X_DAC_CTRL2, reg);
+
+ 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_reg, dac_reg;
+
+ adc_reg = 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_reg &= ~AD193X_ADC_SERFMT_MASK;
+ adc_reg |= AD193X_ADC_SERFMT_TDM;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ adc_reg &= ~AD193X_ADC_SERFMT_MASK;
+ adc_reg |= 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_reg &= ~AD193X_ADC_LEFT_HIGH;
+ adc_reg &= ~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_reg |= AD193X_ADC_LEFT_HIGH;
+ adc_reg &= ~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_reg &= ~AD193X_ADC_LEFT_HIGH;
+ adc_reg |= 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_reg |= AD193X_ADC_LEFT_HIGH;
+ adc_reg |= 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_reg |= AD193X_ADC_LCR_MASTER;
+ adc_reg |= 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_reg |= AD193X_ADC_LCR_MASTER;
+ adc_reg &= ~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_reg &= ~AD193X_ADC_LCR_MASTER;
+ adc_reg |= 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_reg &= ~AD193X_ADC_LCR_MASTER;
+ adc_reg &= ~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_CTRL2, adc_reg);
+ snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg);
+
+ return 0;
+}
+
+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, reg = 0;
+
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->card->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;
+ }
+
+ reg = snd_soc_read(codec, AD193X_DAC_CTRL2);
+ reg = (reg & (~AD193X_DAC_WORD_LEN_MASK)) | word_len;
+ snd_soc_write(codec, AD193X_DAC_CTRL2, reg);
+
+ reg = snd_soc_read(codec, AD193X_ADC_CTRL1);
+ reg = (reg & (~AD193X_ADC_WORD_LEN_MASK)) | word_len;
+ snd_soc_write(codec, AD193X_ADC_CTRL1, reg);
+
+ return 0;
+}
+
+int ad193x_bus_probe(struct device *dev, void *ctrl_data, int bus_type)
+{
+ struct snd_soc_codec *codec;
+ struct ad193x_priv *ad193x;
+
+ ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
+ if (ad193x == NULL)
+ return -ENOMEM;
+
+ codec = &ad193x->codec;
+ codec->control_data = ctrl_data;
+ codec->dev = dev;
+
+ dev_set_drvdata(dev, ad193x);
+
+ return ad193x_register(ad193x, bus_type);
+}
+EXPORT_SYMBOL_GPL(ad193x_bus_probe);
+
+int ad193x_bus_remove(struct device *dev)
+{
+ struct ad193x_priv *ad193x = dev_get_drvdata(dev);
+
+ ad193x_unregister(ad193x);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ad193x_bus_remove);
+
+static 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_fmt = ad193x_set_dai_fmt,
+};
+
+/* codec DAI instance */
+struct snd_soc_dai ad193x_dai = {
+ .name = "AD193X",
+ .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,
+};
+EXPORT_SYMBOL_GPL(ad193x_dai);
+
+static int ad193x_register(struct ad193x_priv *ad193x, int bus_type)
+{
+ int ret;
+ struct snd_soc_codec *codec = &ad193x->codec;
+
+ if (ad193x_codec) {
+ dev_err(codec->dev, "Another ad193x is registered\n");
+ return -EINVAL;
+ }
+
+ mutex_init(&codec->mutex);
+ codec->private_data = ad193x;
+ codec->reg_cache = ad193x->reg_cache;
+ codec->reg_cache_size = AD193X_NUM_REGS;
+ codec->name = "AD193X";
+ codec->owner = THIS_MODULE;
+ codec->dai = &ad193x_dai;
+ codec->num_dai = 1;
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ ad193x_dai.dev = codec->dev;
+ ad193x_codec = codec;
+
+ memcpy(codec->reg_cache, ad193x_reg, AD193X_NUM_REGS);
+
+ if (bus_type == SND_SOC_I2C)
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, bus_type);
+ else
+ ret = snd_soc_codec_set_cache_io(codec, 16, 8, bus_type);
+ if (ret < 0) {
+ dev_err(codec->dev, "failed to set cache I/O: %d\n",
+ ret);
+ kfree(ad193x);
+ 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);
+
+ ret = snd_soc_register_codec(codec);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register codec: %d\n", ret);
+ kfree(ad193x);
+ return ret;
+ }
+
+ ret = snd_soc_register_dai(&ad193x_dai);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
+ snd_soc_unregister_codec(codec);
+ kfree(ad193x);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void ad193x_unregister(struct ad193x_priv *ad193x)
+{
+ snd_soc_unregister_dai(&ad193x_dai);
+ snd_soc_unregister_codec(&ad193x->codec);
+ kfree(ad193x);
+ ad193x_codec = NULL;
+}
+
+static int ad193x_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ if (ad193x_codec == NULL) {
+ dev_err(&pdev->dev, "Codec device not registered\n");
+ return -ENODEV;
+ }
+
+ socdev->card->codec = ad193x_codec;
+ codec = ad193x_codec;
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ dev_err(codec->dev, "failed to create pcms: %d\n", ret);
+ goto pcm_err;
+ }
+
+ snd_soc_add_controls(codec, ad193x_snd_controls,
+ ARRAY_SIZE(ad193x_snd_controls));
+ snd_soc_dapm_new_controls(codec, ad193x_dapm_widgets,
+ ARRAY_SIZE(ad193x_dapm_widgets));
+ snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
+
+pcm_err:
+ return ret;
+}
+
+/* power down chip */
+static int ad193x_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_ad193x = {
+ .probe = ad193x_probe,
+ .remove = ad193x_remove,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_ad193x);
+
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit ad193x_spi_probe(struct spi_device *spi)
+{
+ return ad193x_bus_probe(&spi->dev, spi, SND_SOC_SPI);
+}
+
+static int __devexit ad193x_spi_remove(struct spi_device *spi)
+{
+ return ad193x_bus_remove(&spi->dev);
+}
+
+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 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)
+{
+ return ad193x_bus_probe(&client->dev, client, SND_SOC_I2C);
+}
+
+static int __devexit ad193x_i2c_remove(struct i2c_client *client)
+{
+ return ad193x_bus_remove(&client->dev);
+}
+
+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");
--- /dev/null
+/*
+ * AD193X Audio Codec driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __AD193X_H__
+#define __AD193X_H__
+
+#define AD193X_PLL_CLK_CTRL0 0x800
+#define AD193X_PLL_POWERDOWN 0x01
+#define AD193X_PLL_CLK_CTRL1 0x801
+#define AD193X_DAC_CTRL0 0x802
+#define AD193X_DAC_POWERDOWN 0x01
+#define AD193X_DAC_SERFMT_MASK 0xC0
+#define AD193X_DAC_SERFMT_STEREO (0 << 6)
+#define AD193X_DAC_SERFMT_TDM (1 << 6)
+#define AD193X_DAC_CTRL1 0x803
+#define AD193X_DAC_2_CHANNELS 0
+#define AD193X_DAC_4_CHANNELS 1
+#define AD193X_DAC_8_CHANNELS 2
+#define AD193X_DAC_16_CHANNELS 3
+#define AD193X_DAC_CHAN_SHFT 1
+#define AD193X_DAC_CHAN_MASK (3 << AD193X_DAC_CHAN_SHFT)
+#define AD193X_DAC_LCR_MASTER (1 << 4)
+#define AD193X_DAC_BCLK_MASTER (1 << 5)
+#define AD193X_DAC_LEFT_HIGH (1 << 3)
+#define AD193X_DAC_BCLK_INV (1 << 7)
+#define AD193X_DAC_CTRL2 0x804
+#define AD193X_DAC_WORD_LEN_MASK 0xC
+#define AD193X_DAC_MASTER_MUTE 1
+#define AD193X_DAC_CHNL_MUTE 0x805
+#define AD193X_DACL1_MUTE 0
+#define AD193X_DACR1_MUTE 1
+#define AD193X_DACL2_MUTE 2
+#define AD193X_DACR2_MUTE 3
+#define AD193X_DACL3_MUTE 4
+#define AD193X_DACR3_MUTE 5
+#define AD193X_DACL4_MUTE 6
+#define AD193X_DACR4_MUTE 7
+#define AD193X_DAC_L1_VOL 0x806
+#define AD193X_DAC_R1_VOL 0x807
+#define AD193X_DAC_L2_VOL 0x808
+#define AD193X_DAC_R2_VOL 0x809
+#define AD193X_DAC_L3_VOL 0x80a
+#define AD193X_DAC_R3_VOL 0x80b
+#define AD193X_DAC_L4_VOL 0x80c
+#define AD193X_DAC_R4_VOL 0x80d
+#define AD193X_ADC_CTRL0 0x80e
+#define AD193X_ADC_POWERDOWN 0x01
+#define AD193X_ADC_HIGHPASS_FILTER 1
+#define AD193X_ADCL1_MUTE 2
+#define AD193X_ADCR1_MUTE 3
+#define AD193X_ADCL2_MUTE 4
+#define AD193X_ADCR2_MUTE 5
+#define AD193X_ADC_CTRL1 0x80f
+#define AD193X_ADC_SERFMT_MASK 0x60
+#define AD193X_ADC_SERFMT_STEREO (0 << 5)
+#define AD193X_ADC_SERFMT_TDM (1 << 2)
+#define AD193X_ADC_SERFMT_AUX (2 << 5)
+#define AD193X_ADC_WORD_LEN_MASK 0x3
+#define AD193X_ADC_CTRL2 0x810
+#define AD193X_ADC_2_CHANNELS 0
+#define AD193X_ADC_4_CHANNELS 1
+#define AD193X_ADC_8_CHANNELS 2
+#define AD193X_ADC_16_CHANNELS 3
+#define AD193X_ADC_CHAN_SHFT 4
+#define AD193X_ADC_CHAN_MASK (3 << AD193X_ADC_CHAN_SHFT)
+#define AD193X_ADC_LCR_MASTER (1 << 3)
+#define AD193X_ADC_BCLK_MASTER (1 << 6)
+#define AD193X_ADC_LEFT_HIGH (1 << 2)
+#define AD193X_ADC_BCLK_INV (1 << 1)
+
+#define AD193X_NUM_REGS 17
+
+extern struct snd_soc_dai ad193x_dai;
+extern struct snd_soc_codec_device soc_codec_dev_ad193x;
+extern int ad193x_bus_probe(struct device *dev, void *ctrl_data, int bus_type);
+extern int ad193x_bus_remove(struct device *dev);
+
+#endif
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