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ASoC: adau1761: Add ALC controls

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The adau1761 has a automatic level control block that can adjust the gain
for the differential input PGA. This patch adds ALSA controls for enabling
and changing the parameter settings for the ALC.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20190926115012.24049-2-alexandru.ardelean@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2019-09-26 14:50:12 +03:00 committed by Mark Brown
parent 8307852107
commit 5422737192
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 109 additions and 0 deletions
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109
sound/soc/codecs/adau1761.c
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@ -29,6 +29,9 @@
#define ADAU1761_LEFT_DIFF_INPUT_VOL 0x400e
#define ADAU1761_RIGHT_DIFF_INPUT_VOL 0x400f
#define ADAU1761_ALC_CTRL0 0x4011
#define ADAU1761_ALC_CTRL1 0x4012
#define ADAU1761_ALC_CTRL2 0x4013
#define ADAU1761_ALC_CTRL3 0x4014
#define ADAU1761_PLAY_LR_MIXER_LEFT 0x4020
#define ADAU1761_PLAY_MIXER_LEFT0 0x401c
#define ADAU1761_PLAY_MIXER_LEFT1 0x401d
@ -73,6 +76,9 @@ static const struct reg_default adau1761_reg_defaults[] = {
{ ADAU1761_REC_MIXER_RIGHT1, 0x00 },
{ ADAU1761_LEFT_DIFF_INPUT_VOL, 0x00 },
{ ADAU1761_ALC_CTRL0, 0x00 },
{ ADAU1761_ALC_CTRL1, 0x00 },
{ ADAU1761_ALC_CTRL2, 0x00 },
{ ADAU1761_ALC_CTRL3, 0x00 },
{ ADAU1761_RIGHT_DIFF_INPUT_VOL, 0x00 },
{ ADAU1761_PLAY_LR_MIXER_LEFT, 0x00 },
{ ADAU1761_PLAY_MIXER_LEFT0, 0x00 },
@ -123,6 +129,10 @@ static const DECLARE_TLV_DB_SCALE(adau1761_sidetone_tlv, -1800, 300, 1);
static const DECLARE_TLV_DB_SCALE(adau1761_boost_tlv, -600, 600, 1);
static const DECLARE_TLV_DB_SCALE(adau1761_pga_boost_tlv, -2000, 2000, 1);
static const DECLARE_TLV_DB_SCALE(adau1761_alc_max_gain_tlv, -1200, 600, 0);
static const DECLARE_TLV_DB_SCALE(adau1761_alc_target_tlv, -2850, 150, 0);
static const DECLARE_TLV_DB_SCALE(adau1761_alc_ng_threshold_tlv, -7650, 150, 0);
static const unsigned int adau1761_bias_select_values[] = {
0, 2, 3,
};
@ -160,9 +170,91 @@ static const char * const adau1761_pga_slew_time_text[] = {
"96 ms",
};
static const char * const adau1761_alc_function_text[] = {
"Off",
"Right",
"Left",
"Stereo",
"DSP control",
};
static const char * const adau1761_alc_hold_time_text[] = {
"2.67 ms",
"5.34 ms",
"10.68 ms",
"21.36 ms",
"42.72 ms",
"85.44 ms",
"170.88 ms",
"341.76 ms",
"683.52 ms",
"1367 ms",
"2734.1 ms",
"5468.2 ms",
"10936 ms",
"21873 ms",
"43745 ms",
"87491 ms",
};
static const char * const adau1761_alc_attack_time_text[] = {
"6 ms",
"12 ms",
"24 ms",
"48 ms",
"96 ms",
"192 ms",
"384 ms",
"768 ms",
"1540 ms",
"3070 ms",
"6140 ms",
"12290 ms",
"24580 ms",
"49150 ms",
"98300 ms",
"196610 ms",
};
static const char * const adau1761_alc_decay_time_text[] = {
"24 ms",
"48 ms",
"96 ms",
"192 ms",
"384 ms",
"768 ms",
"15400 ms",
"30700 ms",
"61400 ms",
"12290 ms",
"24580 ms",
"49150 ms",
"98300 ms",
"196610 ms",
"393220 ms",
"786430 ms",
};
static const char * const adau1761_alc_ng_type_text[] = {
"Hold",
"Mute",
"Fade",
"Fade + Mute",
};
static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_pga_slew_time_enum,
ADAU1761_ALC_CTRL0, 6, 0x3, adau1761_pga_slew_time_text,
adau1761_pga_slew_time_values);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_function_enum,
ADAU1761_ALC_CTRL0, 0, adau1761_alc_function_text);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_hold_time_enum,
ADAU1761_ALC_CTRL1, 4, adau1761_alc_hold_time_text);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_attack_time_enum,
ADAU1761_ALC_CTRL2, 4, adau1761_alc_attack_time_text);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_decay_time_enum,
ADAU1761_ALC_CTRL2, 0, adau1761_alc_decay_time_text);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_ng_type_enum,
ADAU1761_ALC_CTRL3, 6, adau1761_alc_ng_type_text);
static const struct snd_kcontrol_new adau1761_jack_detect_controls[] = {
SOC_SINGLE("Speaker Auto-mute Switch", ADAU1761_DIGMIC_JACKDETECT,
@ -180,6 +272,20 @@ static const struct snd_kcontrol_new adau1761_differential_mode_controls[] = {
ADAU1761_REC_MIXER_RIGHT1, 3, 2, 0, adau1761_pga_boost_tlv),
SOC_ENUM("PGA Capture Slew Time", adau1761_pga_slew_time_enum),
SOC_SINGLE_TLV("ALC Capture Max Gain Volume", ADAU1761_ALC_CTRL0,
3, 7, 0, adau1761_alc_max_gain_tlv),
SOC_ENUM("ALC Capture Function", adau1761_alc_function_enum),
SOC_ENUM("ALC Capture Hold Time", adau1761_alc_hold_time_enum),
SOC_SINGLE_TLV("ALC Capture Target Volume", ADAU1761_ALC_CTRL1,
0, 15, 0, adau1761_alc_target_tlv),
SOC_ENUM("ALC Capture Attack Time", adau1761_alc_decay_time_enum),
SOC_ENUM("ALC Capture Decay Time", adau1761_alc_attack_time_enum),
SOC_ENUM("ALC Capture Noise Gate Type", adau1761_alc_ng_type_enum),
SOC_SINGLE("ALC Capture Noise Gate Switch",
ADAU1761_ALC_CTRL3, 5, 1, 0),
SOC_SINGLE_TLV("ALC Capture Noise Gate Threshold Volume",
ADAU1761_ALC_CTRL3, 0, 31, 0, adau1761_alc_ng_threshold_tlv),
};
static const struct snd_kcontrol_new adau1761_single_mode_controls[] = {
@ -652,6 +758,9 @@ static bool adau1761_readable_register(struct device *dev, unsigned int reg)
case ADAU1761_CLK_ENABLE0:
case ADAU1761_CLK_ENABLE1:
case ADAU1761_ALC_CTRL0:
case ADAU1761_ALC_CTRL1:
case ADAU1761_ALC_CTRL2:
case ADAU1761_ALC_CTRL3:
return true;
default:
break;