diff options
| -rw-r--r-- | sound/soc/codecs/Kconfig | 4 | ||||
| -rw-r--r-- | sound/soc/codecs/Makefile | 4 | ||||
| -rw-r--r-- | sound/soc/codecs/ad1938.c | 521 | ||||
| -rw-r--r-- | sound/soc/codecs/ad1938.h | 100 | ||||
| -rw-r--r-- | sound/soc/codecs/ad193x.c | 560 | ||||
| -rw-r--r-- | sound/soc/codecs/ad193x.h | 83 |
6 files changed, 647 insertions, 625 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 398cbb0e79fd..bc0ab47e156b 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -13,7 +13,7 @@ config SND_SOC_ALL_CODECS 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 @@ -92,7 +92,7 @@ config SND_SOC_AC97_CODEC config SND_SOC_AD1836 tristate -config SND_SOC_AD1938 +config SND_SOC_AD193X tristate config SND_SOC_AD1980 diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 98bd10c8fd3a..337904167358 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -1,6 +1,6 @@ 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 @@ -64,7 +64,7 @@ snd-soc-wm2000-objs := wm2000.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 diff --git a/sound/soc/codecs/ad1938.c b/sound/soc/codecs/ad1938.c deleted file mode 100644 index c233810d463d..000000000000 --- a/sound/soc/codecs/ad1938.c +++ /dev/null @@ -1,521 +0,0 @@ -/* - * 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"); diff --git a/sound/soc/codecs/ad1938.h b/sound/soc/codecs/ad1938.h deleted file mode 100644 index fe3c48cd2d5b..000000000000 --- a/sound/soc/codecs/ad1938.h +++ /dev/null @@ -1,100 +0,0 @@ -/* - * 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 diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c new file mode 100644 index 000000000000..d7426990b66e --- /dev/null +++ b/sound/soc/codecs/ad193x.c @@ -0,0 +1,560 @@ +/* + * 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"); diff --git a/sound/soc/codecs/ad193x.h b/sound/soc/codecs/ad193x.h new file mode 100644 index 000000000000..b240d1d67c22 --- /dev/null +++ b/sound/soc/codecs/ad193x.h @@ -0,0 +1,83 @@ +/* + * 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 |