mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-31 00:17:44 +00:00
683adc8211
Now we can replace Codec to Component. Let's do it. Note: xxx_codec_xxx() -> xxx_component_xxx() .idle_bias_off = 0 -> .idle_bias_on = 1 .ignore_pmdown_time = 0 -> .use_pmdown_time = 1 - -> .endianness = 1 - -> .non_legacy_dai_naming = 1 Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
413 lines
10 KiB
C
413 lines
10 KiB
C
/*
|
|
* 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 <linux/regmap.h>
|
|
|
|
#include "ad1836.h"
|
|
|
|
enum ad1836_type {
|
|
AD1835,
|
|
AD1836,
|
|
AD1838,
|
|
};
|
|
|
|
/* codec private data */
|
|
struct ad1836_priv {
|
|
enum ad1836_type type;
|
|
struct regmap *regmap;
|
|
};
|
|
|
|
/*
|
|
* AD1836 volume/mute/de-emphasis etc. controls
|
|
*/
|
|
static const char *ad1836_deemp[] = {"None", "44.1kHz", "32kHz", "48kHz"};
|
|
|
|
static SOC_ENUM_SINGLE_DECL(ad1836_deemp_enum,
|
|
AD1836_DAC_CTRL1, 8, ad1836_deemp);
|
|
|
|
#define AD1836_DAC_VOLUME(x) \
|
|
SOC_DOUBLE_R("DAC" #x " Playback Volume", AD1836_DAC_L_VOL(x), \
|
|
AD1836_DAC_R_VOL(x), 0, 0x3FF, 0)
|
|
|
|
#define AD1836_DAC_SWITCH(x) \
|
|
SOC_DOUBLE("DAC" #x " Playback Switch", AD1836_DAC_CTRL2, \
|
|
AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1)
|
|
|
|
#define AD1836_ADC_SWITCH(x) \
|
|
SOC_DOUBLE("ADC" #x " Capture Switch", AD1836_ADC_CTRL2, \
|
|
AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1)
|
|
|
|
static const struct snd_kcontrol_new ad183x_dac_controls[] = {
|
|
AD1836_DAC_VOLUME(1),
|
|
AD1836_DAC_SWITCH(1),
|
|
AD1836_DAC_VOLUME(2),
|
|
AD1836_DAC_SWITCH(2),
|
|
AD1836_DAC_VOLUME(3),
|
|
AD1836_DAC_SWITCH(3),
|
|
AD1836_DAC_VOLUME(4),
|
|
AD1836_DAC_SWITCH(4),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget ad183x_dac_dapm_widgets[] = {
|
|
SND_SOC_DAPM_OUTPUT("DAC1OUT"),
|
|
SND_SOC_DAPM_OUTPUT("DAC2OUT"),
|
|
SND_SOC_DAPM_OUTPUT("DAC3OUT"),
|
|
SND_SOC_DAPM_OUTPUT("DAC4OUT"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route ad183x_dac_routes[] = {
|
|
{ "DAC1OUT", NULL, "DAC" },
|
|
{ "DAC2OUT", NULL, "DAC" },
|
|
{ "DAC3OUT", NULL, "DAC" },
|
|
{ "DAC4OUT", NULL, "DAC" },
|
|
};
|
|
|
|
static const struct snd_kcontrol_new ad183x_adc_controls[] = {
|
|
AD1836_ADC_SWITCH(1),
|
|
AD1836_ADC_SWITCH(2),
|
|
AD1836_ADC_SWITCH(3),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget ad183x_adc_dapm_widgets[] = {
|
|
SND_SOC_DAPM_INPUT("ADC1IN"),
|
|
SND_SOC_DAPM_INPUT("ADC2IN"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route ad183x_adc_routes[] = {
|
|
{ "ADC", NULL, "ADC1IN" },
|
|
{ "ADC", NULL, "ADC2IN" },
|
|
};
|
|
|
|
static const struct snd_kcontrol_new ad183x_controls[] = {
|
|
/* 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 ad183x_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),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route ad183x_dapm_routes[] = {
|
|
{ "DAC", NULL, "ADC_PWR" },
|
|
{ "ADC", NULL, "ADC_PWR" },
|
|
};
|
|
|
|
static const DECLARE_TLV_DB_SCALE(ad1836_in_tlv, 0, 300, 0);
|
|
|
|
static const struct snd_kcontrol_new ad1836_controls[] = {
|
|
SOC_DOUBLE_TLV("ADC2 Capture Volume", AD1836_ADC_CTRL1, 3, 0, 4, 0,
|
|
ad1836_in_tlv),
|
|
};
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
struct ad1836_priv *ad1836 = snd_soc_component_get_drvdata(dai->component);
|
|
int word_len = 0;
|
|
|
|
/* bit size */
|
|
switch (params_width(params)) {
|
|
case 16:
|
|
word_len = AD1836_WORD_LEN_16;
|
|
break;
|
|
case 20:
|
|
word_len = AD1836_WORD_LEN_20;
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
word_len = AD1836_WORD_LEN_24;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
regmap_update_bits(ad1836->regmap, AD1836_DAC_CTRL1,
|
|
AD1836_DAC_WORD_LEN_MASK,
|
|
word_len << AD1836_DAC_WORD_LEN_OFFSET);
|
|
|
|
regmap_update_bits(ad1836->regmap, AD1836_ADC_CTRL2,
|
|
AD1836_ADC_WORD_LEN_MASK,
|
|
word_len << AD1836_ADC_WORD_OFFSET);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops ad1836_dai_ops = {
|
|
.hw_params = ad1836_hw_params,
|
|
.set_fmt = ad1836_set_dai_fmt,
|
|
};
|
|
|
|
#define AD183X_DAI(_name, num_dacs, num_adcs) \
|
|
{ \
|
|
.name = _name "-hifi", \
|
|
.playback = { \
|
|
.stream_name = "Playback", \
|
|
.channels_min = 2, \
|
|
.channels_max = (num_dacs) * 2, \
|
|
.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 = (num_adcs) * 2, \
|
|
.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 struct snd_soc_dai_driver ad183x_dais[] = {
|
|
[AD1835] = AD183X_DAI("ad1835", 4, 1),
|
|
[AD1836] = AD183X_DAI("ad1836", 3, 2),
|
|
[AD1838] = AD183X_DAI("ad1838", 3, 1),
|
|
};
|
|
|
|
#ifdef CONFIG_PM
|
|
static int ad1836_suspend(struct snd_soc_component *component)
|
|
{
|
|
struct ad1836_priv *ad1836 = snd_soc_component_get_drvdata(component);
|
|
/* reset clock control mode */
|
|
return regmap_update_bits(ad1836->regmap, AD1836_ADC_CTRL2,
|
|
AD1836_ADC_SERFMT_MASK, 0);
|
|
}
|
|
|
|
static int ad1836_resume(struct snd_soc_component *component)
|
|
{
|
|
struct ad1836_priv *ad1836 = snd_soc_component_get_drvdata(component);
|
|
/* restore clock control mode */
|
|
return regmap_update_bits(ad1836->regmap, AD1836_ADC_CTRL2,
|
|
AD1836_ADC_SERFMT_MASK, AD1836_ADC_AUX);
|
|
}
|
|
#else
|
|
#define ad1836_suspend NULL
|
|
#define ad1836_resume NULL
|
|
#endif
|
|
|
|
static int ad1836_probe(struct snd_soc_component *component)
|
|
{
|
|
struct ad1836_priv *ad1836 = snd_soc_component_get_drvdata(component);
|
|
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
|
|
int num_dacs, num_adcs;
|
|
int ret = 0;
|
|
int i;
|
|
|
|
num_dacs = ad183x_dais[ad1836->type].playback.channels_max / 2;
|
|
num_adcs = ad183x_dais[ad1836->type].capture.channels_max / 2;
|
|
|
|
/* default setting for ad1836 */
|
|
/* de-emphasis: 48kHz, power-on dac */
|
|
regmap_write(ad1836->regmap, AD1836_DAC_CTRL1, 0x300);
|
|
/* unmute dac channels */
|
|
regmap_write(ad1836->regmap, AD1836_DAC_CTRL2, 0x0);
|
|
/* high-pass filter enable, power-on adc */
|
|
regmap_write(ad1836->regmap, AD1836_ADC_CTRL1, 0x100);
|
|
/* unmute adc channles, adc aux mode */
|
|
regmap_write(ad1836->regmap, AD1836_ADC_CTRL2, 0x180);
|
|
/* volume */
|
|
for (i = 1; i <= num_dacs; ++i) {
|
|
regmap_write(ad1836->regmap, AD1836_DAC_L_VOL(i), 0x3FF);
|
|
regmap_write(ad1836->regmap, AD1836_DAC_R_VOL(i), 0x3FF);
|
|
}
|
|
|
|
if (ad1836->type == AD1836) {
|
|
/* left/right diff:PGA/MUX */
|
|
regmap_write(ad1836->regmap, AD1836_ADC_CTRL3, 0x3A);
|
|
ret = snd_soc_add_component_controls(component, ad1836_controls,
|
|
ARRAY_SIZE(ad1836_controls));
|
|
if (ret)
|
|
return ret;
|
|
} else {
|
|
regmap_write(ad1836->regmap, AD1836_ADC_CTRL3, 0x00);
|
|
}
|
|
|
|
ret = snd_soc_add_component_controls(component, ad183x_dac_controls, num_dacs * 2);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = snd_soc_add_component_controls(component, ad183x_adc_controls, num_adcs);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = snd_soc_dapm_new_controls(dapm, ad183x_dac_dapm_widgets, num_dacs);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = snd_soc_dapm_new_controls(dapm, ad183x_adc_dapm_widgets, num_adcs);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = snd_soc_dapm_add_routes(dapm, ad183x_dac_routes, num_dacs);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = snd_soc_dapm_add_routes(dapm, ad183x_adc_routes, num_adcs);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* power down chip */
|
|
static void ad1836_remove(struct snd_soc_component *component)
|
|
{
|
|
struct ad1836_priv *ad1836 = snd_soc_component_get_drvdata(component);
|
|
/* reset clock control mode */
|
|
regmap_update_bits(ad1836->regmap, AD1836_ADC_CTRL2,
|
|
AD1836_ADC_SERFMT_MASK, 0);
|
|
}
|
|
|
|
static const struct snd_soc_component_driver soc_component_dev_ad1836 = {
|
|
.probe = ad1836_probe,
|
|
.remove = ad1836_remove,
|
|
.suspend = ad1836_suspend,
|
|
.resume = ad1836_resume,
|
|
.controls = ad183x_controls,
|
|
.num_controls = ARRAY_SIZE(ad183x_controls),
|
|
.dapm_widgets = ad183x_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(ad183x_dapm_widgets),
|
|
.dapm_routes = ad183x_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(ad183x_dapm_routes),
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static const struct reg_default ad1836_reg_defaults[] = {
|
|
{ AD1836_DAC_CTRL1, 0x0000 },
|
|
{ AD1836_DAC_CTRL2, 0x0000 },
|
|
{ AD1836_DAC_L_VOL(0), 0x0000 },
|
|
{ AD1836_DAC_R_VOL(0), 0x0000 },
|
|
{ AD1836_DAC_L_VOL(1), 0x0000 },
|
|
{ AD1836_DAC_R_VOL(1), 0x0000 },
|
|
{ AD1836_DAC_L_VOL(2), 0x0000 },
|
|
{ AD1836_DAC_R_VOL(2), 0x0000 },
|
|
{ AD1836_DAC_L_VOL(3), 0x0000 },
|
|
{ AD1836_DAC_R_VOL(3), 0x0000 },
|
|
{ AD1836_ADC_CTRL1, 0x0000 },
|
|
{ AD1836_ADC_CTRL2, 0x0000 },
|
|
{ AD1836_ADC_CTRL3, 0x0000 },
|
|
};
|
|
|
|
static const struct regmap_config ad1836_regmap_config = {
|
|
.val_bits = 12,
|
|
.reg_bits = 4,
|
|
.read_flag_mask = 0x08,
|
|
|
|
.max_register = AD1836_ADC_CTRL3,
|
|
.reg_defaults = ad1836_reg_defaults,
|
|
.num_reg_defaults = ARRAY_SIZE(ad1836_reg_defaults),
|
|
.cache_type = REGCACHE_RBTREE,
|
|
};
|
|
|
|
static int ad1836_spi_probe(struct spi_device *spi)
|
|
{
|
|
struct ad1836_priv *ad1836;
|
|
int ret;
|
|
|
|
ad1836 = devm_kzalloc(&spi->dev, sizeof(struct ad1836_priv),
|
|
GFP_KERNEL);
|
|
if (ad1836 == NULL)
|
|
return -ENOMEM;
|
|
|
|
ad1836->regmap = devm_regmap_init_spi(spi, &ad1836_regmap_config);
|
|
if (IS_ERR(ad1836->regmap))
|
|
return PTR_ERR(ad1836->regmap);
|
|
|
|
ad1836->type = spi_get_device_id(spi)->driver_data;
|
|
|
|
spi_set_drvdata(spi, ad1836);
|
|
|
|
ret = devm_snd_soc_register_component(&spi->dev,
|
|
&soc_component_dev_ad1836, &ad183x_dais[ad1836->type], 1);
|
|
return ret;
|
|
}
|
|
|
|
static const struct spi_device_id ad1836_ids[] = {
|
|
{ "ad1835", AD1835 },
|
|
{ "ad1836", AD1836 },
|
|
{ "ad1837", AD1835 },
|
|
{ "ad1838", AD1838 },
|
|
{ "ad1839", AD1838 },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(spi, ad1836_ids);
|
|
|
|
static struct spi_driver ad1836_spi_driver = {
|
|
.driver = {
|
|
.name = "ad1836",
|
|
},
|
|
.probe = ad1836_spi_probe,
|
|
.id_table = ad1836_ids,
|
|
};
|
|
|
|
module_spi_driver(ad1836_spi_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC ad1836 driver");
|
|
MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
|
|
MODULE_LICENSE("GPL");
|