From: Barry Song barry.song@analog.com

This extends the AD1836 codec driver to also support the parts: - AD1835A - AD1837A - AD1838A - AD1839A

Signed-off-by: Barry Song barry.song@analog.com Signed-off-by: Scott Jiang scott.jiang@analog.com Signed-off-by: Mike Frysinger vapier@gentoo.org --- sound/soc/codecs/Kconfig | 4 +- sound/soc/codecs/Makefile | 4 +- sound/soc/codecs/ad1836.c | 338 -------------------------------- sound/soc/codecs/ad1836.h | 63 ------ sound/soc/codecs/ad183x.c | 474 +++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/ad183x.h | 57 ++++++ 6 files changed, 535 insertions(+), 405 deletions(-) delete mode 100644 sound/soc/codecs/ad1836.c delete mode 100644 sound/soc/codecs/ad1836.h create mode 100644 sound/soc/codecs/ad183x.c create mode 100644 sound/soc/codecs/ad183x.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 6943e24..dc6d253 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -13,7 +13,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_88PM860X if MFD_88PM860X select SND_SOC_L3 select SND_SOC_AC97_CODEC if SND_SOC_AC97_BUS - select SND_SOC_AD1836 if SPI_MASTER + select SND_SOC_AD183X 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 @@ -115,7 +115,7 @@ config SND_SOC_AC97_CODEC tristate select SND_AC97_CODEC

-config SND_SOC_AD1836 +config SND_SOC_AD183X tristate

config SND_SOC_AD193X diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 379bc55..44d3278 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -1,6 +1,6 @@ snd-soc-88pm860x-objs := 88pm860x-codec.o snd-soc-ac97-objs := ac97.o -snd-soc-ad1836-objs := ad1836.o +snd-soc-ad183x-objs := ad183x.o snd-soc-ad193x-objs := ad193x.o snd-soc-ad1980-objs := ad1980.o snd-soc-ad73311-objs := ad73311.o @@ -87,7 +87,7 @@ snd-soc-wm9090-objs := wm9090.o

obj-$(CONFIG_SND_SOC_88PM860X) += snd-soc-88pm860x.o obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o -obj-$(CONFIG_SND_SOC_AD1836) += snd-soc-ad1836.o +obj-$(CONFIG_SND_SOC_AD183X) += snd-soc-ad183x.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 diff --git a/sound/soc/codecs/ad1836.c b/sound/soc/codecs/ad1836.c deleted file mode 100644 index ab63d52..0000000 --- a/sound/soc/codecs/ad1836.c +++ /dev/null @@ -1,338 +0,0 @@ -/* - * File: sound/soc/codecs/ad1836.c - * Author: Barry Song Barry.Song@analog.com - * - * Created: Aug 04 2009 - * Description: Driver for AD1836 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. - */ - -#include <linux/init.h> -#include <linux/slab.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 <linux/spi/spi.h> -#include "ad1836.h" - -/* codec private data */ -struct ad1836_priv { - enum snd_soc_control_type control_type; - void *control_data; -}; - -/* - * AD1836 volume/mute/de-emphasis etc. controls - */ -static const char *ad1836_deemp[] = {"None", "44.1kHz", "32kHz", "48kHz"}; - -static const struct soc_enum ad1836_deemp_enum = - SOC_ENUM_SINGLE(AD1836_DAC_CTRL1, 8, 4, ad1836_deemp); - -static const struct snd_kcontrol_new ad1836_snd_controls[] = { - /* DAC volume control */ - SOC_DOUBLE_R("DAC1 Volume", AD1836_DAC_L1_VOL, - AD1836_DAC_R1_VOL, 0, 0x3FF, 0), - SOC_DOUBLE_R("DAC2 Volume", AD1836_DAC_L2_VOL, - AD1836_DAC_R2_VOL, 0, 0x3FF, 0), - SOC_DOUBLE_R("DAC3 Volume", AD1836_DAC_L3_VOL, - AD1836_DAC_R3_VOL, 0, 0x3FF, 0), - - /* ADC switch control */ - SOC_DOUBLE("ADC1 Switch", AD1836_ADC_CTRL2, AD1836_ADCL1_MUTE, - AD1836_ADCR1_MUTE, 1, 1), - SOC_DOUBLE("ADC2 Switch", AD1836_ADC_CTRL2, AD1836_ADCL2_MUTE, - AD1836_ADCR2_MUTE, 1, 1), - - /* DAC switch control */ - SOC_DOUBLE("DAC1 Switch", AD1836_DAC_CTRL2, AD1836_DACL1_MUTE, - AD1836_DACR1_MUTE, 1, 1), - SOC_DOUBLE("DAC2 Switch", AD1836_DAC_CTRL2, AD1836_DACL2_MUTE, - AD1836_DACR2_MUTE, 1, 1), - SOC_DOUBLE("DAC3 Switch", AD1836_DAC_CTRL2, AD1836_DACL3_MUTE, - AD1836_DACR3_MUTE, 1, 1), - - /* ADC high-pass filter */ - SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1, - AD1836_ADC_HIGHPASS_FILTER, 1, 0), - - /* DAC de-emphasis */ - SOC_ENUM("Playback Deemphasis", ad1836_deemp_enum), -}; - -static const struct snd_soc_dapm_widget ad1836_dapm_widgets[] = { - SND_SOC_DAPM_DAC("DAC", "Playback", AD1836_DAC_CTRL1, - AD1836_DAC_POWERDOWN, 1), - SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), - SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1836_ADC_CTRL1, - AD1836_ADC_POWERDOWN, 1, NULL, 0), - SND_SOC_DAPM_OUTPUT("DAC1OUT"), - SND_SOC_DAPM_OUTPUT("DAC2OUT"), - SND_SOC_DAPM_OUTPUT("DAC3OUT"), - SND_SOC_DAPM_INPUT("ADC1IN"), - SND_SOC_DAPM_INPUT("ADC2IN"), -}; - -static const struct snd_soc_dapm_route audio_paths[] = { - { "DAC", NULL, "ADC_PWR" }, - { "ADC", NULL, "ADC_PWR" }, - { "DAC1OUT", "DAC1 Switch", "DAC" }, - { "DAC2OUT", "DAC2 Switch", "DAC" }, - { "DAC3OUT", "DAC3 Switch", "DAC" }, - { "ADC", "ADC1 Switch", "ADC1IN" }, - { "ADC", "ADC2 Switch", "ADC2IN" }, -}; - -/* - * DAI ops entries - */ - -static int ad1836_set_dai_fmt(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - /* at present, we support adc aux mode to interface with - * blackfin sport tdm mode - */ - case SND_SOC_DAIFMT_DSP_A: - break; - default: - return -EINVAL; - } - - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_IB_IF: - break; - default: - return -EINVAL; - } - - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - /* ALCLK,ABCLK are both output, AD1836 can only be master */ - case SND_SOC_DAIFMT_CBM_CFM: - break; - default: - return -EINVAL; - } - - return 0; -} - -static int ad1836_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - int word_len = 0; - - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->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; - } - - snd_soc_update_bits(codec, AD1836_DAC_CTRL1, - AD1836_DAC_WORD_LEN_MASK, word_len); - - snd_soc_update_bits(codec, AD1836_ADC_CTRL2, - AD1836_ADC_WORD_LEN_MASK, word_len); - - return 0; -} - -#ifdef CONFIG_PM -static int ad1836_soc_suspend(struct snd_soc_codec *codec, - pm_message_t state) -{ - /* reset clock control mode */ - u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2); - adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK; - - return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2); -} - -static int ad1836_soc_resume(struct snd_soc_codec *codec) -{ - /* restore clock control mode */ - u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2); - adc_ctrl2 |= AD1836_ADC_AUX; - - return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2); -} -#else -#define ad1836_soc_suspend NULL -#define ad1836_soc_resume NULL -#endif - -static struct snd_soc_dai_ops ad1836_dai_ops = { - .hw_params = ad1836_hw_params, - .set_fmt = ad1836_set_dai_fmt, -}; - -/* codec DAI instance */ -static struct snd_soc_dai_driver ad1836_dai = { - .name = "ad1836-hifi", - .playback = { - .stream_name = "Playback", - .channels_min = 2, - .channels_max = 6, - .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 = &ad1836_dai_ops, -}; - -static int ad1836_probe(struct snd_soc_codec *codec) -{ - struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec); - struct snd_soc_dapm_context *dapm = &codec->dapm; - int ret = 0; - - codec->control_data = ad1836->control_data; - ret = snd_soc_codec_set_cache_io(codec, 4, 12, SND_SOC_SPI); - if (ret < 0) { - dev_err(codec->dev, "failed to set cache I/O: %d\n", - ret); - return ret; - } - - /* default setting for ad1836 */ - /* de-emphasis: 48kHz, power-on dac */ - snd_soc_write(codec, AD1836_DAC_CTRL1, 0x300); - /* unmute dac channels */ - snd_soc_write(codec, AD1836_DAC_CTRL2, 0x0); - /* high-pass filter enable, power-on adc */ - snd_soc_write(codec, AD1836_ADC_CTRL1, 0x100); - /* unmute adc channles, adc aux mode */ - snd_soc_write(codec, AD1836_ADC_CTRL2, 0x180); - /* left/right diff:PGA/MUX */ - snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A); - /* volume */ - snd_soc_write(codec, AD1836_DAC_L1_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_R1_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_L2_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_R2_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_L3_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_R3_VOL, 0x3FF); - - snd_soc_add_controls(codec, ad1836_snd_controls, - ARRAY_SIZE(ad1836_snd_controls)); - snd_soc_dapm_new_controls(dapm, ad1836_dapm_widgets, - ARRAY_SIZE(ad1836_dapm_widgets)); - snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths)); - - return ret; -} - -/* power down chip */ -static int ad1836_remove(struct snd_soc_codec *codec) -{ - /* reset clock control mode */ - u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2); - adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK; - - return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2); -} - -static struct snd_soc_codec_driver soc_codec_dev_ad1836 = { - .probe = ad1836_probe, - .remove = ad1836_remove, - .suspend = ad1836_soc_suspend, - .resume = ad1836_soc_resume, - .reg_cache_size = AD1836_NUM_REGS, - .reg_word_size = sizeof(u16), -}; - -static int __devinit ad1836_spi_probe(struct spi_device *spi) -{ - struct ad1836_priv *ad1836; - int ret; - - ad1836 = kzalloc(sizeof(struct ad1836_priv), GFP_KERNEL); - if (ad1836 == NULL) - return -ENOMEM; - - spi_set_drvdata(spi, ad1836); - ad1836->control_data = spi; - ad1836->control_type = SND_SOC_SPI; - - ret = snd_soc_register_codec(&spi->dev, - &soc_codec_dev_ad1836, &ad1836_dai, 1); - if (ret < 0) - kfree(ad1836); - return ret; -} - -static int __devexit ad1836_spi_remove(struct spi_device *spi) -{ - snd_soc_unregister_codec(&spi->dev); - kfree(spi_get_drvdata(spi)); - return 0; -} - -static struct spi_driver ad1836_spi_driver = { - .driver = { - .name = "ad1836-codec", - .owner = THIS_MODULE, - }, - .probe = ad1836_spi_probe, - .remove = __devexit_p(ad1836_spi_remove), -}; - -static int __init ad1836_init(void) -{ - int ret; - - ret = spi_register_driver(&ad1836_spi_driver); - if (ret != 0) { - printk(KERN_ERR "Failed to register ad1836 SPI driver: %d\n", - ret); - } - - return ret; -} -module_init(ad1836_init); - -static void __exit ad1836_exit(void) -{ - spi_unregister_driver(&ad1836_spi_driver); -} -module_exit(ad1836_exit); - -MODULE_DESCRIPTION("ASoC ad1836 driver"); -MODULE_AUTHOR("Barry Song 21cnbao@gmail.com"); -MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/ad1836.h b/sound/soc/codecs/ad1836.h deleted file mode 100644 index 8455967..0000000 --- a/sound/soc/codecs/ad1836.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * File: sound/soc/codecs/ad1836.h - * Based on: - * Author: Barry Song Barry.Song@analog.com - * - * Created: Aug 04, 2009 - * Description: definitions for AD1836 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. - */ - -#ifndef __AD1836_H__ -#define __AD1836_H__ - -#define AD1836_DAC_CTRL1 0 -#define AD1836_DAC_POWERDOWN 2 -#define AD1836_DAC_SERFMT_MASK 0xE0 -#define AD1836_DAC_SERFMT_PCK256 (0x4 << 5) -#define AD1836_DAC_SERFMT_PCK128 (0x5 << 5) -#define AD1836_DAC_WORD_LEN_MASK 0x18 - -#define AD1836_DAC_CTRL2 1 -#define AD1836_DACL1_MUTE 0 -#define AD1836_DACR1_MUTE 1 -#define AD1836_DACL2_MUTE 2 -#define AD1836_DACR2_MUTE 3 -#define AD1836_DACL3_MUTE 4 -#define AD1836_DACR3_MUTE 5 - -#define AD1836_DAC_L1_VOL 2 -#define AD1836_DAC_R1_VOL 3 -#define AD1836_DAC_L2_VOL 4 -#define AD1836_DAC_R2_VOL 5 -#define AD1836_DAC_L3_VOL 6 -#define AD1836_DAC_R3_VOL 7 - -#define AD1836_ADC_CTRL1 12 -#define AD1836_ADC_POWERDOWN 7 -#define AD1836_ADC_HIGHPASS_FILTER 8 - -#define AD1836_ADC_CTRL2 13 -#define AD1836_ADCL1_MUTE 0 -#define AD1836_ADCR1_MUTE 1 -#define AD1836_ADCL2_MUTE 2 -#define AD1836_ADCR2_MUTE 3 -#define AD1836_ADC_WORD_LEN_MASK 0x30 -#define AD1836_ADC_SERFMT_MASK (7 << 6) -#define AD1836_ADC_SERFMT_PCK256 (0x4 << 6) -#define AD1836_ADC_SERFMT_PCK128 (0x5 << 6) -#define AD1836_ADC_AUX (0x6 << 6) - -#define AD1836_ADC_CTRL3 14 - -#define AD1836_NUM_REGS 16 - -#endif diff --git a/sound/soc/codecs/ad183x.c b/sound/soc/codecs/ad183x.c new file mode 100644 index 0000000..2dd548a --- /dev/null +++ b/sound/soc/codecs/ad183x.c @@ -0,0 +1,474 @@ +/* + * AD183X Audio Codec driver supporting AD1835A, AD1836, AD1837A, AD1838A, AD1839A + * + * Copyright 2009-2011 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <linux/init.h> +#include <linux/slab.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 <linux/spi/spi.h> +#include "ad183x.h" + +/* codec private data */ +struct ad183x_chl_ctrls { + struct snd_kcontrol_new *snd_ctrls; + struct snd_soc_dapm_widget *dapm_widgets; + struct snd_soc_dapm_route *audio_paths; + int ctrl_num; + int widget_num; + int path_num; +}; + +struct ad183x_priv { + enum snd_soc_control_type control_type; + struct ad183x_chl_ctrls chl_ctrl; +}; + +/* + * AD183X volume/mute/de-emphasis etc. controls + */ +static const char *ad183x_deemp[] = {"None", "44.1kHz", "32kHz", "48kHz"}; + +static const struct soc_enum ad183x_deemp_enum = +SOC_ENUM_SINGLE(AD183X_DAC_CTRL1, 8, 4, ad183x_deemp); + +/* AD1835A/AD1837A: 4 stereo DAC, 1 stereo ADC; */ +static const struct snd_kcontrol_new ad1835a_ad1837a_snd_controls[] = { + /* DAC volume control */ + SOC_DOUBLE_R("DAC1 Volume", AD183X_DAC_L1_VOL, + AD183X_DAC_R1_VOL, 0, 0x3FF, 0), + SOC_DOUBLE_R("DAC2 Volume", AD183X_DAC_L2_VOL, + AD183X_DAC_R2_VOL, 0, 0x3FF, 0), + SOC_DOUBLE_R("DAC3 Volume", AD183X_DAC_L3_VOL, + AD183X_DAC_R3_VOL, 0, 0x3FF, 0), + SOC_DOUBLE_R("DAC4 Volume", AD183X_DAC_L4_VOL, + AD183X_DAC_R4_VOL, 0, 0x3FF, 0), + + /* ADC switch control */ + SOC_DOUBLE("ADC1 Switch", AD183X_ADC_CTRL2, AD183X_ADCL1_MUTE, + AD183X_ADCR1_MUTE, 1, 1), + + /* DAC switch control */ + SOC_DOUBLE("DAC1 Switch", AD183X_DAC_CTRL2, AD183X_DACL1_MUTE, + AD183X_DACR1_MUTE, 1, 1), + SOC_DOUBLE("DAC2 Switch", AD183X_DAC_CTRL2, AD183X_DACL2_MUTE, + AD183X_DACR2_MUTE, 1, 1), + SOC_DOUBLE("DAC3 Switch", AD183X_DAC_CTRL2, AD183X_DACL3_MUTE, + AD183X_DACR3_MUTE, 1, 1), + SOC_DOUBLE("DAC4 Switch", AD183X_DAC_CTRL2, AD183X_DACL4_MUTE, + AD183X_DACR4_MUTE, 1, 1), + + /* ADC high-pass filter */ + SOC_SINGLE("ADC High Pass Filter Switch", AD183X_ADC_CTRL1, + AD183X_ADC_HIGHPASS_FILTER, 1, 0), + + /* DAC de-emphasis */ + SOC_ENUM("Playback Deemphasis", ad183x_deemp_enum), +}; + +static const struct snd_soc_dapm_widget ad1835a_ad1837a_dapm_widgets[] = { + SND_SOC_DAPM_DAC("DAC", "Playback", AD183X_DAC_CTRL1, + AD183X_DAC_POWERDOWN, 1), + SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_SUPPLY("ADC_PWR", AD183X_ADC_CTRL1, + AD183X_ADC_POWERDOWN, 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"), +}; + +static const struct snd_soc_dapm_route ad1835a_ad1837a_audio_paths[] = { + { "DAC", NULL, "ADC_PWR" }, + { "ADC", NULL, "ADC_PWR" }, + { "DAC1OUT", "DAC1 Switch", "DAC" }, + { "DAC2OUT", "DAC2 Switch", "DAC" }, + { "DAC3OUT", "DAC3 Switch", "DAC" }, + { "DAC3OUT", "DAC4 Switch", "DAC" }, + { "ADC", "ADC1 Switch", "ADC1IN" }, +}; + +/* AD1836: 3 stereo DAC, 2 stereo ADC; */ +static const struct snd_kcontrol_new ad1836_snd_controls[] = { + /* DAC volume control */ + SOC_DOUBLE_R("DAC1 Volume", AD183X_DAC_L1_VOL, + AD183X_DAC_R1_VOL, 0, 0x3FF, 0), + SOC_DOUBLE_R("DAC2 Volume", AD183X_DAC_L2_VOL, + AD183X_DAC_R2_VOL, 0, 0x3FF, 0), + SOC_DOUBLE_R("DAC3 Volume", AD183X_DAC_L3_VOL, + AD183X_DAC_R3_VOL, 0, 0x3FF, 0), + + /* ADC switch control */ + SOC_DOUBLE("ADC1 Switch", AD183X_ADC_CTRL2, AD183X_ADCL1_MUTE, + AD183X_ADCR1_MUTE, 1, 1), + SOC_DOUBLE("ADC2 Switch", AD183X_ADC_CTRL2, AD183X_ADCL2_MUTE, + AD183X_ADCR2_MUTE, 1, 1), + + /* DAC switch control */ + SOC_DOUBLE("DAC1 Switch", AD183X_DAC_CTRL2, AD183X_DACL1_MUTE, + AD183X_DACR1_MUTE, 1, 1), + SOC_DOUBLE("DAC2 Switch", AD183X_DAC_CTRL2, AD183X_DACL2_MUTE, + AD183X_DACR2_MUTE, 1, 1), + SOC_DOUBLE("DAC3 Switch", AD183X_DAC_CTRL2, AD183X_DACL3_MUTE, + AD183X_DACR3_MUTE, 1, 1), + + /* ADC high-pass filter */ + SOC_SINGLE("ADC High Pass Filter Switch", AD183X_ADC_CTRL1, + AD183X_ADC_HIGHPASS_FILTER, 1, 0), + + /* DAC de-emphasis */ + SOC_ENUM("Playback Deemphasis", ad183x_deemp_enum), +}; + +static const struct snd_soc_dapm_widget ad1836_dapm_widgets[] = { + SND_SOC_DAPM_DAC("DAC", "Playback", AD183X_DAC_CTRL1, + AD183X_DAC_POWERDOWN, 1), + SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_SUPPLY("ADC_PWR", AD183X_ADC_CTRL1, + AD183X_ADC_POWERDOWN, 1, NULL, 0), + SND_SOC_DAPM_OUTPUT("DAC1OUT"), + SND_SOC_DAPM_OUTPUT("DAC2OUT"), + SND_SOC_DAPM_OUTPUT("DAC3OUT"), + SND_SOC_DAPM_INPUT("ADC1IN"), + SND_SOC_DAPM_INPUT("ADC2IN"), +}; + +static const struct snd_soc_dapm_route ad1836_audio_paths[] = { + { "DAC", NULL, "ADC_PWR" }, + { "ADC", NULL, "ADC_PWR" }, + { "DAC1OUT", "DAC1 Switch", "DAC" }, + { "DAC2OUT", "DAC2 Switch", "DAC" }, + { "DAC3OUT", "DAC3 Switch", "DAC" }, + { "ADC", "ADC1 Switch", "ADC1IN" }, + { "ADC", "ADC2 Switch", "ADC2IN" }, +}; + +/* AD1838A/AD1939A: 3 stereo DAC, 1 stereo ADC; */ +static const struct snd_kcontrol_new ad1838a_ad1839a_snd_controls[] = { + /* DAC volume control */ + SOC_DOUBLE_R("DAC1 Volume", AD183X_DAC_L1_VOL, + AD183X_DAC_R1_VOL, 0, 0x3FF, 0), + SOC_DOUBLE_R("DAC2 Volume", AD183X_DAC_L2_VOL, + AD183X_DAC_R2_VOL, 0, 0x3FF, 0), + SOC_DOUBLE_R("DAC3 Volume", AD183X_DAC_L3_VOL, + AD183X_DAC_R3_VOL, 0, 0x3FF, 0), + + /* ADC switch control */ + SOC_DOUBLE("ADC1 Switch", AD183X_ADC_CTRL2, AD183X_ADCL1_MUTE, + AD183X_ADCR1_MUTE, 1, 1), + + /* DAC switch control */ + SOC_DOUBLE("DAC1 Switch", AD183X_DAC_CTRL2, AD183X_DACL1_MUTE, + AD183X_DACR1_MUTE, 1, 1), + SOC_DOUBLE("DAC2 Switch", AD183X_DAC_CTRL2, AD183X_DACL2_MUTE, + AD183X_DACR2_MUTE, 1, 1), + SOC_DOUBLE("DAC3 Switch", AD183X_DAC_CTRL2, AD183X_DACL3_MUTE, + AD183X_DACR3_MUTE, 1, 1), + + /* ADC high-pass filter */ + SOC_SINGLE("ADC High Pass Filter Switch", AD183X_ADC_CTRL1, + AD183X_ADC_HIGHPASS_FILTER, 1, 0), + + /* DAC de-emphasis */ + SOC_ENUM("Playback Deemphasis", ad183x_deemp_enum), +}; + +static const struct snd_soc_dapm_widget ad1838a_ad1839a_dapm_widgets[] = { + SND_SOC_DAPM_DAC("DAC", "Playback", AD183X_DAC_CTRL1, + AD183X_DAC_POWERDOWN, 1), + SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_SUPPLY("ADC_PWR", AD183X_ADC_CTRL1, + AD183X_ADC_POWERDOWN, 1, NULL, 0), + SND_SOC_DAPM_OUTPUT("DAC1OUT"), + SND_SOC_DAPM_OUTPUT("DAC2OUT"), + SND_SOC_DAPM_OUTPUT("DAC3OUT"), + SND_SOC_DAPM_INPUT("ADC1IN"), +}; + +static const struct snd_soc_dapm_route ad1838a_ad1839a_audio_paths[] = { + { "DAC", NULL, "ADC_PWR" }, + { "ADC", NULL, "ADC_PWR" }, + { "DAC1OUT", "DAC1 Switch", "DAC" }, + { "DAC2OUT", "DAC2 Switch", "DAC" }, + { "DAC3OUT", "DAC3 Switch", "DAC" }, + { "ADC", "ADC1 Switch", "ADC1IN" }, +}; + +/* + * DAI ops entries + */ + +static int ad183x_set_dai_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + /* at present, we support adc aux mode to interface with + * blackfin sport tdm mode + */ + case SND_SOC_DAIFMT_DSP_A: + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_IB_IF: + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + /* ALCLK,ABCLK are both output, AD183X can only be master */ + case SND_SOC_DAIFMT_CBM_CFM: + break; + default: + return -EINVAL; + } + + return 0; +} + +static int ad183x_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + int word_len = 0; + + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_codec *codec = rtd->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; + } + + snd_soc_update_bits(codec, AD183X_DAC_CTRL1, + AD183X_DAC_WORD_LEN_MASK, word_len); + + snd_soc_update_bits(codec, AD183X_ADC_CTRL2, + AD183X_ADC_WORD_LEN_MASK, word_len); + return 0; +} + +static struct snd_soc_dai_ops ad183x_dai_ops = { + .hw_params = ad183x_hw_params, + .set_fmt = ad183x_set_dai_fmt, +}; + +/* codec DAI instance */ +static struct snd_soc_dai_driver ad183x_dai = { + .name = "ad183x-hifi", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 6, + .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 = &ad183x_dai_ops, +}; + +static int ad183x_suspend(struct snd_soc_codec *codec, pm_message_t state) +{ + /* reset clock control mode */ + u16 adc_ctrl2 = snd_soc_read(codec, AD183X_ADC_CTRL2); + adc_ctrl2 &= ~AD183X_ADC_SERFMT_MASK; + + return snd_soc_write(codec, AD183X_ADC_CTRL2, adc_ctrl2); +} + +static int ad183x_resume(struct snd_soc_codec *codec) +{ + /* restore clock control mode */ + u16 adc_ctrl2 = snd_soc_read(codec, AD183X_ADC_CTRL2); + adc_ctrl2 |= AD183X_ADC_AUX; + + return snd_soc_write(codec, AD183X_ADC_CTRL2, adc_ctrl2); +} + +static int ad183x_probe(struct snd_soc_codec *codec) +{ + struct ad183x_priv *ad183x = snd_soc_codec_get_drvdata(codec); + struct ad183x_chl_ctrls *chl_ctrl; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + ret = snd_soc_codec_set_cache_io(codec, 4, 12, ad183x->control_type); + if (ret < 0) { + dev_err(codec->dev, "failed to set cache I/O: %d\n", ret); + return ret; + } + + /* default setting for ad183x */ + /* de-emphasis: 48kHz, power-on dac */ + snd_soc_write(codec, AD183X_DAC_CTRL1, 0x300); + /* unmute dac channels */ + snd_soc_write(codec, AD183X_DAC_CTRL2, 0x0); + /* high-pass filter enable, power-on adc */ + snd_soc_write(codec, AD183X_ADC_CTRL1, 0x100); + /* unmute adc channles, adc aux mode */ + snd_soc_write(codec, AD183X_ADC_CTRL2, 0x180); + /* left/right diff:PGA/MUX */ + snd_soc_write(codec, AD183X_ADC_CTRL3, 0x3A); + /* volume */ + snd_soc_write(codec, AD183X_DAC_L1_VOL, 0x3FF); + snd_soc_write(codec, AD183X_DAC_R1_VOL, 0x3FF); + snd_soc_write(codec, AD183X_DAC_L2_VOL, 0x3FF); + snd_soc_write(codec, AD183X_DAC_R2_VOL, 0x3FF); + snd_soc_write(codec, AD183X_DAC_L3_VOL, 0x3FF); + snd_soc_write(codec, AD183X_DAC_R3_VOL, 0x3FF); + snd_soc_write(codec, AD183X_DAC_L4_VOL, 0x3FF); + snd_soc_write(codec, AD183X_DAC_R4_VOL, 0x3FF); + + chl_ctrl = &ad183x->chl_ctrl; + + snd_soc_add_controls(codec, chl_ctrl->snd_ctrls, chl_ctrl->ctrl_num); + snd_soc_dapm_new_controls(dapm, chl_ctrl->dapm_widgets, chl_ctrl->widget_num); + snd_soc_dapm_add_routes(dapm, chl_ctrl->audio_paths, chl_ctrl->path_num); + + return 0; +} + +/* power down chip */ +static int ad183x_remove(struct snd_soc_codec *codec) +{ + return 0; +} + +static struct snd_soc_codec_driver soc_codec_dev_ad183x = { + .probe = ad183x_probe, + .remove = ad183x_remove, + .suspend = ad183x_suspend, + .resume = ad183x_resume, + .reg_cache_size = AD183X_NUM_REGS, + .reg_word_size = sizeof(u16), +}; + +static int __devinit ad183x_spi_probe(struct spi_device *spi) +{ + struct ad183x_priv *ad183x; + int ret; + char *chip_name = spi->dev.platform_data; + + if (!chip_name) + return -ENODEV; + + ad183x = kzalloc(sizeof(struct ad183x_priv), GFP_KERNEL); + if (ad183x == NULL) + return -ENOMEM; + + if ((strcmp(chip_name, "ad1835a") == 0) || (strcmp(chip_name, "ad1837a") == 0)) { + ad183x->chl_ctrl.snd_ctrls = (struct snd_kcontrol_new *)ad1835a_ad1837a_snd_controls; + ad183x->chl_ctrl.dapm_widgets = (struct snd_soc_dapm_widget *)ad1835a_ad1837a_dapm_widgets; + ad183x->chl_ctrl.audio_paths = (struct snd_soc_dapm_route *)ad1835a_ad1837a_audio_paths; + ad183x->chl_ctrl.ctrl_num = ARRAY_SIZE(ad1835a_ad1837a_snd_controls); + ad183x->chl_ctrl.widget_num = ARRAY_SIZE(ad1835a_ad1837a_dapm_widgets); + ad183x->chl_ctrl.path_num = ARRAY_SIZE(ad1835a_ad1837a_audio_paths); + ad183x_dai.playback.channels_max = 8; + ad183x_dai.capture.channels_max = 2; + } else if ((strcmp(chip_name, "ad1838a") == 0) || (strcmp(chip_name, "ad1839a") == 0)) { + ad183x->chl_ctrl.snd_ctrls = (struct snd_kcontrol_new *)ad1838a_ad1839a_snd_controls; + ad183x->chl_ctrl.dapm_widgets = (struct snd_soc_dapm_widget *)ad1838a_ad1839a_dapm_widgets; + ad183x->chl_ctrl.audio_paths = (struct snd_soc_dapm_route *)ad1838a_ad1839a_audio_paths; + ad183x->chl_ctrl.ctrl_num = ARRAY_SIZE(ad1838a_ad1839a_snd_controls); + ad183x->chl_ctrl.widget_num = ARRAY_SIZE(ad1838a_ad1839a_dapm_widgets); + ad183x->chl_ctrl.path_num = ARRAY_SIZE(ad1838a_ad1839a_audio_paths); + ad183x_dai.playback.channels_max = 6; + ad183x_dai.capture.channels_max = 2; + } else if (strcmp(chip_name, "ad1836") == 0) { + ad183x->chl_ctrl.snd_ctrls = (struct snd_kcontrol_new *)ad1836_snd_controls; + ad183x->chl_ctrl.dapm_widgets = (struct snd_soc_dapm_widget *)ad1836_dapm_widgets; + ad183x->chl_ctrl.audio_paths = (struct snd_soc_dapm_route *)ad1836_audio_paths; + ad183x->chl_ctrl.ctrl_num = ARRAY_SIZE(ad1836_snd_controls); + ad183x->chl_ctrl.widget_num = ARRAY_SIZE(ad1836_dapm_widgets); + ad183x->chl_ctrl.path_num = ARRAY_SIZE(ad1836_audio_paths); + ad183x_dai.playback.channels_max = 6; + ad183x_dai.capture.channels_max = 4; + } else { + dev_err(&spi->dev, "not supported chip type\n"); + return -EINVAL; + } + + spi_set_drvdata(spi, ad183x); + ad183x->control_type = SND_SOC_SPI; + ret = snd_soc_register_codec(&spi->dev, + &soc_codec_dev_ad183x, &ad183x_dai, 1); + + if (ret < 0) + kfree(ad183x); + return ret; +} + +static int __devexit ad183x_spi_remove(struct spi_device *spi) +{ + snd_soc_unregister_codec(&spi->dev); + kfree(spi_get_drvdata(spi)); + + return 0; +} + +static struct spi_driver ad183x_spi_driver = { + .driver = { + .name = "ad183x-codec", + .owner = THIS_MODULE, + }, + .probe = ad183x_spi_probe, + .remove = __devexit_p(ad183x_spi_remove), +}; + +static int __init ad183x_init(void) +{ + int ret = 0; +#if defined(CONFIG_SPI_MASTER) + ret = spi_register_driver(&ad183x_spi_driver); + if (ret != 0) { + printk(KERN_ERR "Failed to register ad183x SPI driver: %d\n", + ret); + } +#endif + return ret; +} +module_init(ad183x_init); + +static void __exit ad183x_exit(void) +{ +#if defined(CONFIG_SPI_MASTER) + spi_unregister_driver(&ad183x_spi_driver); +#endif +} +module_exit(ad183x_exit); + +MODULE_DESCRIPTION("ASoC ad183x driver"); +MODULE_AUTHOR("Barry Song 21cnbao@gmail.com"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/ad183x.h b/sound/soc/codecs/ad183x.h new file mode 100644 index 0000000..f7af3db --- /dev/null +++ b/sound/soc/codecs/ad183x.h @@ -0,0 +1,57 @@ +/* + * AD183X Audio Codec driver supporting AD1835A, AD1836, AD1837A, AD1838A, AD1839A + * + * Copyright 2009-2011 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __AD183X_H__ +#define __AD183X_H__ + +#define AD183X_DAC_CTRL1 0 +#define AD183X_DAC_POWERDOWN 2 +#define AD183X_DAC_SERFMT_MASK 0xE0 +#define AD183X_DAC_SERFMT_PCK256 (0x4 << 5) +#define AD183X_DAC_SERFMT_PCK128 (0x5 << 5) +#define AD183X_DAC_WORD_LEN_MASK 0x18 + +#define AD183X_DAC_CTRL2 1 +#define AD183X_DACL1_MUTE 0 +#define AD183X_DACR1_MUTE 1 +#define AD183X_DACL2_MUTE 2 +#define AD183X_DACR2_MUTE 3 +#define AD183X_DACL3_MUTE 4 +#define AD183X_DACR3_MUTE 5 +#define AD183X_DACL4_MUTE 6 +#define AD183X_DACR4_MUTE 7 + +#define AD183X_DAC_L1_VOL 2 +#define AD183X_DAC_R1_VOL 3 +#define AD183X_DAC_L2_VOL 4 +#define AD183X_DAC_R2_VOL 5 +#define AD183X_DAC_L3_VOL 6 +#define AD183X_DAC_R3_VOL 7 +#define AD183X_DAC_L4_VOL 8 +#define AD183X_DAC_R4_VOL 9 + +#define AD183X_ADC_CTRL1 12 +#define AD183X_ADC_POWERDOWN 7 +#define AD183X_ADC_HIGHPASS_FILTER 8 + +#define AD183X_ADC_CTRL2 13 +#define AD183X_ADCL1_MUTE 0 +#define AD183X_ADCR1_MUTE 1 +#define AD183X_ADCL2_MUTE 2 +#define AD183X_ADCR2_MUTE 3 +#define AD183X_ADC_WORD_LEN_MASK 0x30 +#define AD183X_ADC_SERFMT_MASK (7 << 6) +#define AD183X_ADC_SERFMT_PCK256 (0x4 << 6) +#define AD183X_ADC_SERFMT_PCK128 (0x5 << 6) +#define AD183X_ADC_AUX (0x6 << 6) + +#define AD183X_ADC_CTRL3 14 + +#define AD183X_NUM_REGS 16 + +#endif