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linux_dsm_epyc7002/sound/soc/codecs/adau1781.c
Lars-Peter Clausen 0e0f9b960a ASoC: adau17x1: Cleanup manual bias level transitions 
Set the CODEC driver's suspend_bias_off flag rather than manually going to
SND_SOC_BIAS_OFF in suspend and SND_SOC_BIAS_STANDBY in resume. This makes
the code a bit shorter and cleaner.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-04 20:10:25 +01:00

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/*
* Driver for ADAU1781/ADAU1781 codec
*
* Copyright 2011-2013 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*
* Licensed under the GPL-2 or later.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <linux/platform_data/adau17x1.h>
#include "adau17x1.h"
#include "adau1781.h"
#define ADAU1781_DMIC_BEEP_CTRL 0x4008
#define ADAU1781_LEFT_PGA 0x400e
#define ADAU1781_RIGHT_PGA 0x400f
#define ADAU1781_LEFT_PLAYBACK_MIXER 0x401c
#define ADAU1781_RIGHT_PLAYBACK_MIXER 0x401e
#define ADAU1781_MONO_PLAYBACK_MIXER 0x401f
#define ADAU1781_LEFT_LINEOUT 0x4025
#define ADAU1781_RIGHT_LINEOUT 0x4026
#define ADAU1781_SPEAKER 0x4027
#define ADAU1781_BEEP_ZC 0x4028
#define ADAU1781_DEJITTER 0x4032
#define ADAU1781_DIG_PWDN0 0x4080
#define ADAU1781_DIG_PWDN1 0x4081
#define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
#define ADAU1381_FIRMWARE "adau1381.bin"
#define ADAU1781_FIRMWARE "adau1781.bin"
static const struct reg_default adau1781_reg_defaults[] = {
{ ADAU1781_DMIC_BEEP_CTRL, 0x00 },
{ ADAU1781_LEFT_PGA, 0xc7 },
{ ADAU1781_RIGHT_PGA, 0xc7 },
{ ADAU1781_LEFT_PLAYBACK_MIXER, 0x00 },
{ ADAU1781_RIGHT_PLAYBACK_MIXER, 0x00 },
{ ADAU1781_MONO_PLAYBACK_MIXER, 0x00 },
{ ADAU1781_LEFT_LINEOUT, 0x00 },
{ ADAU1781_RIGHT_LINEOUT, 0x00 },
{ ADAU1781_SPEAKER, 0x00 },
{ ADAU1781_BEEP_ZC, 0x19 },
{ ADAU1781_DEJITTER, 0x60 },
{ ADAU1781_DIG_PWDN1, 0x0c },
{ ADAU1781_DIG_PWDN1, 0x00 },
{ ADAU17X1_CLOCK_CONTROL, 0x00 },
{ ADAU17X1_PLL_CONTROL, 0x00 },
{ ADAU17X1_REC_POWER_MGMT, 0x00 },
{ ADAU17X1_MICBIAS, 0x04 },
{ ADAU17X1_SERIAL_PORT0, 0x00 },
{ ADAU17X1_SERIAL_PORT1, 0x00 },
{ ADAU17X1_CONVERTER0, 0x00 },
{ ADAU17X1_CONVERTER1, 0x00 },
{ ADAU17X1_LEFT_INPUT_DIGITAL_VOL, 0x00 },
{ ADAU17X1_RIGHT_INPUT_DIGITAL_VOL, 0x00 },
{ ADAU17X1_ADC_CONTROL, 0x00 },
{ ADAU17X1_PLAY_POWER_MGMT, 0x00 },
{ ADAU17X1_DAC_CONTROL0, 0x00 },
{ ADAU17X1_DAC_CONTROL1, 0x00 },
{ ADAU17X1_DAC_CONTROL2, 0x00 },
{ ADAU17X1_SERIAL_PORT_PAD, 0x00 },
{ ADAU17X1_CONTROL_PORT_PAD0, 0x00 },
{ ADAU17X1_CONTROL_PORT_PAD1, 0x00 },
{ ADAU17X1_DSP_SAMPLING_RATE, 0x01 },
{ ADAU17X1_SERIAL_INPUT_ROUTE, 0x00 },
{ ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x00 },
{ ADAU17X1_DSP_ENABLE, 0x00 },
{ ADAU17X1_DSP_RUN, 0x00 },
{ ADAU17X1_SERIAL_SAMPLING_RATE, 0x00 },
};
static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv,
0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
);
static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv,
0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
);
static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
static const char * const adau1781_speaker_bias_select_text[] = {
"Normal operation", "Power saving", "Enhanced performance",
};
static const char * const adau1781_bias_select_text[] = {
"Normal operation", "Extreme power saving", "Power saving",
"Enhanced performance",
};
static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
static const struct snd_kcontrol_new adau1781_controls[] = {
SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
adau1781_beep_tlv),
SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
ADAU1781_RIGHT_PGA, 1, 1, 0),
SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
0, 1, 0),
SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
adau1781_speaker_tlv),
SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
};
static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
3, 1, 0),
};
static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
SOC_DAPM_SINGLE_AUTODISABLE("Switch",
ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
};
static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
SOC_DAPM_SINGLE_AUTODISABLE("Switch",
ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
};
static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
};
static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct adau *adau = snd_soc_codec_get_drvdata(codec);
/* After any power changes have been made the dejitter circuit
* has to be reinitialized. */
regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
if (!adau->master)
regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
return 0;
}
static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
adau1781_beep_mixer_controls),
SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
adau1781_left_mixer_controls),
SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
adau1781_right_mixer_controls),
SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
adau1781_mono_mixer_controls),
SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
2, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
3, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
5, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
NULL, 0),
SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
SND_SOC_DAPM_INPUT("BEEP"),
SND_SOC_DAPM_OUTPUT("AOUTL"),
SND_SOC_DAPM_OUTPUT("AOUTR"),
SND_SOC_DAPM_OUTPUT("SP"),
SND_SOC_DAPM_INPUT("LMIC"),
SND_SOC_DAPM_INPUT("RMIC"),
};
static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
{ "Left Lineout Mixer", NULL, "Left Playback Enable" },
{ "Right Lineout Mixer", NULL, "Right Playback Enable" },
{ "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
{ "Left Lineout Mixer", "Switch", "Left DAC" },
{ "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
{ "Right Lineout Mixer", "Switch", "Right DAC" },
{ "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
{ "Mono Mixer", "Right Switch", "Right DAC" },
{ "Mono Mixer", "Left Switch", "Left DAC" },
{ "Speaker", NULL, "Mono Mixer" },
{ "Mono Mixer", NULL, "SYSCLK" },
{ "Left Lineout Mixer", NULL, "SYSCLK" },
{ "Left Lineout Mixer", NULL, "SYSCLK" },
{ "Beep Mixer", "Beep Capture Switch", "BEEP" },
{ "Beep Mixer", NULL, "Zero Crossing Detector" },
{ "Left DAC", NULL, "DAC Engine" },
{ "Right DAC", NULL, "DAC Engine" },
{ "Sound Engine", NULL, "SYSCLK" },
{ "DSP", NULL, "Sound Engine" },
{ "Left Decimator", NULL, "ADC Engine" },
{ "Right Decimator", NULL, "ADC Engine" },
{ "AIFCLK", NULL, "SYSCLK" },
{ "Playback", NULL, "Serial Input Routing" },
{ "Playback", NULL, "Serial Ports" },
{ "Playback", NULL, "Clock Domain Transfer" },
{ "Capture", NULL, "Serial Output Routing" },
{ "Capture", NULL, "Serial Ports" },
{ "Capture", NULL, "Clock Domain Transfer" },
{ "AOUTL", NULL, "Left Lineout Mixer" },
{ "AOUTR", NULL, "Right Lineout Mixer" },
{ "SP", NULL, "Speaker" },
};
static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
{ "Left PGA", NULL, "LMIC" },
{ "Right PGA", NULL, "RMIC" },
{ "Left Decimator", NULL, "Left PGA" },
{ "Right Decimator", NULL, "Right PGA" },
};
static const char * const adau1781_dmic_select_text[] = {
"DMIC1", "DMIC2",
};
static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum,
adau1781_dmic_select_text);
static const struct snd_kcontrol_new adau1781_dmic_mux =
SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum);
static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux),
SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
};
static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
{ "DMIC1", NULL, "LMIC" },
{ "DMIC2", NULL, "RMIC" },
{ "DMIC1", NULL, "Digital Mic" },
{ "DMIC2", NULL, "Digital Mic" },
{ "DMIC Select", "DMIC1", "DMIC1" },
{ "DMIC Select", "DMIC2", "DMIC2" },
{ "Left Decimator", NULL, "DMIC Select" },
{ "Right Decimator", NULL, "DMIC Select" },
};
static int adau1781_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct adau *adau = snd_soc_codec_get_drvdata(codec);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
/* Precharge */
regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
break;
case SND_SOC_BIAS_OFF:
regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
break;
}
codec->dapm.bias_level = level;
return 0;
}
static bool adau1781_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case ADAU1781_DMIC_BEEP_CTRL:
case ADAU1781_LEFT_PGA:
case ADAU1781_RIGHT_PGA:
case ADAU1781_LEFT_PLAYBACK_MIXER:
case ADAU1781_RIGHT_PLAYBACK_MIXER:
case ADAU1781_MONO_PLAYBACK_MIXER:
case ADAU1781_LEFT_LINEOUT:
case ADAU1781_RIGHT_LINEOUT:
case ADAU1781_SPEAKER:
case ADAU1781_BEEP_ZC:
case ADAU1781_DEJITTER:
case ADAU1781_DIG_PWDN0:
case ADAU1781_DIG_PWDN1:
return true;
default:
break;
}
return adau17x1_readable_register(dev, reg);
}
static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
bool differential)
{
unsigned int val;
if (differential)
val = ADAU1781_INPUT_DIFFERNTIAL;
else
val = 0;
return regmap_update_bits(adau->regmap, reg,
ADAU1781_INPUT_DIFFERNTIAL, val);
}
static int adau1781_codec_probe(struct snd_soc_codec *codec)
{
struct adau1781_platform_data *pdata = dev_get_platdata(codec->dev);
struct adau *adau = snd_soc_codec_get_drvdata(codec);
const char *firmware;
int ret;
ret = adau17x1_add_widgets(codec);
if (ret)
return ret;
if (pdata) {
ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
pdata->left_input_differential);
if (ret)
return ret;
ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
pdata->right_input_differential);
if (ret)
return ret;
}
if (pdata && pdata->use_dmic) {
ret = snd_soc_dapm_new_controls(&codec->dapm,
adau1781_dmic_dapm_widgets,
ARRAY_SIZE(adau1781_dmic_dapm_widgets));
if (ret)
return ret;
ret = snd_soc_dapm_add_routes(&codec->dapm,
adau1781_dmic_dapm_routes,
ARRAY_SIZE(adau1781_dmic_dapm_routes));
if (ret)
return ret;
} else {
ret = snd_soc_dapm_add_routes(&codec->dapm,
adau1781_adc_dapm_routes,
ARRAY_SIZE(adau1781_adc_dapm_routes));
if (ret)
return ret;
}
switch (adau->type) {
case ADAU1381:
firmware = ADAU1381_FIRMWARE;
break;
case ADAU1781:
firmware = ADAU1781_FIRMWARE;
break;
default:
return -EINVAL;
}
ret = adau17x1_add_routes(codec);
if (ret < 0)
return ret;
ret = adau17x1_load_firmware(adau, codec->dev, firmware);
if (ret)
dev_warn(codec->dev, "Failed to load firmware\n");
return 0;
}
static const struct snd_soc_codec_driver adau1781_codec_driver = {
.probe = adau1781_codec_probe,
.resume = adau17x1_resume,
.set_bias_level = adau1781_set_bias_level,
.suspend_bias_off = true,
.controls = adau1781_controls,
.num_controls = ARRAY_SIZE(adau1781_controls),
.dapm_widgets = adau1781_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(adau1781_dapm_widgets),
.dapm_routes = adau1781_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(adau1781_dapm_routes),
};
#define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_driver adau1781_dai_driver = {
.name = "adau-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 2,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_8000_96000,
.formats = ADAU1781_FORMATS,
},
.capture = {
.stream_name = "Capture",
.channels_min = 2,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_8000_96000,
.formats = ADAU1781_FORMATS,
},
.ops = &adau17x1_dai_ops,
};
const struct regmap_config adau1781_regmap_config = {
.val_bits = 8,
.reg_bits = 16,
.max_register = 0x40f8,
.reg_defaults = adau1781_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(adau1781_reg_defaults),
.readable_reg = adau1781_readable_register,
.volatile_reg = adau17x1_volatile_register,
.cache_type = REGCACHE_RBTREE,
};
EXPORT_SYMBOL_GPL(adau1781_regmap_config);
int adau1781_probe(struct device *dev, struct regmap *regmap,
enum adau17x1_type type, void (*switch_mode)(struct device *dev))
{
int ret;
ret = adau17x1_probe(dev, regmap, type, switch_mode);
if (ret)
return ret;
return snd_soc_register_codec(dev, &adau1781_codec_driver,
&adau1781_dai_driver, 1);
}
EXPORT_SYMBOL_GPL(adau1781_probe);
MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver");
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_LICENSE("GPL");
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