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Diffstat (limited to 'sound/soc/codecs/cs42l52.c')
-rw-r--r--sound/soc/codecs/cs42l52.c281
1 files changed, 159 insertions, 122 deletions
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index be2ba1b6fe4..071fc77f2f0 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/of_gpio.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/input.h>
@@ -49,11 +50,9 @@ struct cs42l52_private {
u8 mclksel;
u32 mclk;
u8 flags;
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
struct input_dev *beep;
struct work_struct beep_work;
int beep_rate;
-#endif
};
static const struct reg_default cs42l52_reg_defaults[] = {
@@ -209,13 +208,11 @@ static const char * const cs42l52_adca_text[] = {
static const char * const cs42l52_adcb_text[] = {
"Input1B", "Input2B", "Input3B", "Input4B", "PGA Input Right"};
-static const struct soc_enum adca_enum =
- SOC_ENUM_SINGLE(CS42L52_ADC_PGA_A, 5,
- ARRAY_SIZE(cs42l52_adca_text), cs42l52_adca_text);
+static SOC_ENUM_SINGLE_DECL(adca_enum,
+ CS42L52_ADC_PGA_A, 5, cs42l52_adca_text);
-static const struct soc_enum adcb_enum =
- SOC_ENUM_SINGLE(CS42L52_ADC_PGA_B, 5,
- ARRAY_SIZE(cs42l52_adcb_text), cs42l52_adcb_text);
+static SOC_ENUM_SINGLE_DECL(adcb_enum,
+ CS42L52_ADC_PGA_B, 5, cs42l52_adcb_text);
static const struct snd_kcontrol_new adca_mux =
SOC_DAPM_ENUM("Left ADC Input Capture Mux", adca_enum);
@@ -228,32 +225,22 @@ static const char * const mic_bias_level_text[] = {
"0.8 +VA", "0.83 +VA", "0.91 +VA"
};
-static const struct soc_enum mic_bias_level_enum =
- SOC_ENUM_SINGLE(CS42L52_IFACE_CTL2, 0,
- ARRAY_SIZE(mic_bias_level_text), mic_bias_level_text);
+static SOC_ENUM_SINGLE_DECL(mic_bias_level_enum,
+ CS42L52_IFACE_CTL2, 0, mic_bias_level_text);
-static const char * const cs42l52_mic_text[] = { "Single", "Differential" };
+static const char * const cs42l52_mic_text[] = { "MIC1", "MIC2" };
-static const struct soc_enum mica_enum =
- SOC_ENUM_SINGLE(CS42L52_MICA_CTL, 5,
- ARRAY_SIZE(cs42l52_mic_text), cs42l52_mic_text);
+static SOC_ENUM_SINGLE_DECL(mica_enum,
+ CS42L52_MICA_CTL, 5, cs42l52_mic_text);
-static const struct soc_enum micb_enum =
- SOC_ENUM_SINGLE(CS42L52_MICB_CTL, 5,
- ARRAY_SIZE(cs42l52_mic_text), cs42l52_mic_text);
-
-static const struct snd_kcontrol_new mica_mux =
- SOC_DAPM_ENUM("Left Mic Input Capture Mux", mica_enum);
-
-static const struct snd_kcontrol_new micb_mux =
- SOC_DAPM_ENUM("Right Mic Input Capture Mux", micb_enum);
+static SOC_ENUM_SINGLE_DECL(micb_enum,
+ CS42L52_MICB_CTL, 5, cs42l52_mic_text);
static const char * const digital_output_mux_text[] = {"ADC", "DSP"};
-static const struct soc_enum digital_output_mux_enum =
- SOC_ENUM_SINGLE(CS42L52_ADC_MISC_CTL, 6,
- ARRAY_SIZE(digital_output_mux_text),
- digital_output_mux_text);
+static SOC_ENUM_SINGLE_DECL(digital_output_mux_enum,
+ CS42L52_ADC_MISC_CTL, 6,
+ digital_output_mux_text);
static const struct snd_kcontrol_new digital_output_mux =
SOC_DAPM_ENUM("Digital Output Mux", digital_output_mux_enum);
@@ -263,18 +250,18 @@ static const char * const hp_gain_num_text[] = {
"0.7099", "0.8399", "1.000", "1.1430"
};
-static const struct soc_enum hp_gain_enum =
- SOC_ENUM_SINGLE(CS42L52_PB_CTL1, 5,
- ARRAY_SIZE(hp_gain_num_text), hp_gain_num_text);
+static SOC_ENUM_SINGLE_DECL(hp_gain_enum,
+ CS42L52_PB_CTL1, 5,
+ hp_gain_num_text);
static const char * const beep_pitch_text[] = {
"C4", "C5", "D5", "E5", "F5", "G5", "A5", "B5",
"C6", "D6", "E6", "F6", "G6", "A6", "B6", "C7"
};
-static const struct soc_enum beep_pitch_enum =
- SOC_ENUM_SINGLE(CS42L52_BEEP_FREQ, 4,
- ARRAY_SIZE(beep_pitch_text), beep_pitch_text);
+static SOC_ENUM_SINGLE_DECL(beep_pitch_enum,
+ CS42L52_BEEP_FREQ, 4,
+ beep_pitch_text);
static const char * const beep_ontime_text[] = {
"86 ms", "430 ms", "780 ms", "1.20 s", "1.50 s",
@@ -282,66 +269,66 @@ static const char * const beep_ontime_text[] = {
"3.50 s", "3.80 s", "4.20 s", "4.50 s", "4.80 s", "5.20 s"
};
-static const struct soc_enum beep_ontime_enum =
- SOC_ENUM_SINGLE(CS42L52_BEEP_FREQ, 0,
- ARRAY_SIZE(beep_ontime_text), beep_ontime_text);
+static SOC_ENUM_SINGLE_DECL(beep_ontime_enum,
+ CS42L52_BEEP_FREQ, 0,
+ beep_ontime_text);
static const char * const beep_offtime_text[] = {
"1.23 s", "2.58 s", "3.90 s", "5.20 s",
"6.60 s", "8.05 s", "9.35 s", "10.80 s"
};
-static const struct soc_enum beep_offtime_enum =
- SOC_ENUM_SINGLE(CS42L52_BEEP_VOL, 5,
- ARRAY_SIZE(beep_offtime_text), beep_offtime_text);
+static SOC_ENUM_SINGLE_DECL(beep_offtime_enum,
+ CS42L52_BEEP_VOL, 5,
+ beep_offtime_text);
static const char * const beep_config_text[] = {
"Off", "Single", "Multiple", "Continuous"
};
-static const struct soc_enum beep_config_enum =
- SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 6,
- ARRAY_SIZE(beep_config_text), beep_config_text);
+static SOC_ENUM_SINGLE_DECL(beep_config_enum,
+ CS42L52_BEEP_TONE_CTL, 6,
+ beep_config_text);
static const char * const beep_bass_text[] = {
"50 Hz", "100 Hz", "200 Hz", "250 Hz"
};
-static const struct soc_enum beep_bass_enum =
- SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 1,
- ARRAY_SIZE(beep_bass_text), beep_bass_text);
+static SOC_ENUM_SINGLE_DECL(beep_bass_enum,
+ CS42L52_BEEP_TONE_CTL, 1,
+ beep_bass_text);
static const char * const beep_treble_text[] = {
"5 kHz", "7 kHz", "10 kHz", " 15 kHz"
};
-static const struct soc_enum beep_treble_enum =
- SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 3,
- ARRAY_SIZE(beep_treble_text), beep_treble_text);
+static SOC_ENUM_SINGLE_DECL(beep_treble_enum,
+ CS42L52_BEEP_TONE_CTL, 3,
+ beep_treble_text);
static const char * const ng_threshold_text[] = {
"-34dB", "-37dB", "-40dB", "-43dB",
"-46dB", "-52dB", "-58dB", "-64dB"
};
-static const struct soc_enum ng_threshold_enum =
- SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 2,
- ARRAY_SIZE(ng_threshold_text), ng_threshold_text);
+static SOC_ENUM_SINGLE_DECL(ng_threshold_enum,
+ CS42L52_NOISE_GATE_CTL, 2,
+ ng_threshold_text);
static const char * const cs42l52_ng_delay_text[] = {
"50ms", "100ms", "150ms", "200ms"};
-static const struct soc_enum ng_delay_enum =
- SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 0,
- ARRAY_SIZE(cs42l52_ng_delay_text), cs42l52_ng_delay_text);
+static SOC_ENUM_SINGLE_DECL(ng_delay_enum,
+ CS42L52_NOISE_GATE_CTL, 0,
+ cs42l52_ng_delay_text);
static const char * const cs42l52_ng_type_text[] = {
"Apply Specific", "Apply All"
};
-static const struct soc_enum ng_type_enum =
- SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 6,
- ARRAY_SIZE(cs42l52_ng_type_text), cs42l52_ng_type_text);
+static SOC_ENUM_SINGLE_DECL(ng_type_enum,
+ CS42L52_NOISE_GATE_CTL, 6,
+ cs42l52_ng_type_text);
static const char * const left_swap_text[] = {
"Left", "LR 2", "Right"};
@@ -352,7 +339,7 @@ static const char * const right_swap_text[] = {
static const unsigned int swap_values[] = { 0, 1, 3 };
static const struct soc_enum adca_swap_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 2, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 2, 3,
ARRAY_SIZE(left_swap_text),
left_swap_text,
swap_values);
@@ -361,7 +348,7 @@ static const struct snd_kcontrol_new adca_mixer =
SOC_DAPM_ENUM("Route", adca_swap_enum);
static const struct soc_enum pcma_swap_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 6, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 6, 3,
ARRAY_SIZE(left_swap_text),
left_swap_text,
swap_values);
@@ -370,7 +357,7 @@ static const struct snd_kcontrol_new pcma_mixer =
SOC_DAPM_ENUM("Route", pcma_swap_enum);
static const struct soc_enum adcb_swap_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 0, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 0, 3,
ARRAY_SIZE(right_swap_text),
right_swap_text,
swap_values);
@@ -379,7 +366,7 @@ static const struct snd_kcontrol_new adcb_mixer =
SOC_DAPM_ENUM("Route", adcb_swap_enum);
static const struct soc_enum pcmb_swap_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 4, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 4, 3,
ARRAY_SIZE(right_swap_text),
right_swap_text,
swap_values);
@@ -530,6 +517,30 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
};
+static const struct snd_kcontrol_new cs42l52_mica_controls[] = {
+ SOC_ENUM("MICA Select", mica_enum),
+};
+
+static const struct snd_kcontrol_new cs42l52_micb_controls[] = {
+ SOC_ENUM("MICB Select", micb_enum),
+};
+
+static int cs42l52_add_mic_controls(struct snd_soc_codec *codec)
+{
+ struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
+ struct cs42l52_platform_data *pdata = &cs42l52->pdata;
+
+ if (!pdata->mica_diff_cfg)
+ snd_soc_add_codec_controls(codec, cs42l52_mica_controls,
+ ARRAY_SIZE(cs42l52_mica_controls));
+
+ if (!pdata->micb_diff_cfg)
+ snd_soc_add_codec_controls(codec, cs42l52_micb_controls,
+ ARRAY_SIZE(cs42l52_micb_controls));
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget cs42l52_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("AIN1L"),
@@ -549,9 +560,6 @@ static const struct snd_soc_dapm_widget cs42l52_dapm_widgets[] = {
SND_SOC_DAPM_AIF_OUT("AIFOUTR", NULL, 0,
SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_MUX("MICA Mux", SND_SOC_NOPM, 0, 0, &mica_mux),
- SND_SOC_DAPM_MUX("MICB Mux", SND_SOC_NOPM, 0, 0, &micb_mux),
-
SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L52_PWRCTL1, 1, 1),
SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L52_PWRCTL1, 2, 1),
SND_SOC_DAPM_PGA("PGA Left", CS42L52_PWRCTL1, 3, 1, NULL, 0),
@@ -952,7 +960,6 @@ static int cs42l52_resume(struct snd_soc_codec *codec)
return 0;
}
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
static int beep_rates[] = {
261, 522, 585, 667, 706, 774, 889, 1000,
1043, 1200, 1333, 1412, 1600, 1714, 2000, 2182
@@ -1086,29 +1093,15 @@ static void cs42l52_free_beep(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, CS42L52_BEEP_TONE_CTL,
CS42L52_BEEP_EN_MASK, 0);
}
-#else
-static void cs42l52_init_beep(struct snd_soc_codec *codec)
-{
-}
-
-static void cs42l52_free_beep(struct snd_soc_codec *codec)
-{
-}
-#endif
static int cs42l52_probe(struct snd_soc_codec *codec)
{
struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
- int ret;
- codec->control_data = cs42l52->regmap;
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
- }
regcache_cache_only(cs42l52->regmap, true);
+ cs42l52_add_mic_controls(codec);
+
cs42l52_init_beep(codec);
cs42l52_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@@ -1116,41 +1109,7 @@ static int cs42l52_probe(struct snd_soc_codec *codec)
cs42l52->sysclk = CS42L52_DEFAULT_CLK;
cs42l52->config.format = CS42L52_DEFAULT_FORMAT;
- /* Set Platform MICx CFG */
- snd_soc_update_bits(codec, CS42L52_MICA_CTL,
- CS42L52_MIC_CTL_TYPE_MASK,
- cs42l52->pdata.mica_cfg <<
- CS42L52_MIC_CTL_TYPE_SHIFT);
-
- snd_soc_update_bits(codec, CS42L52_MICB_CTL,
- CS42L52_MIC_CTL_TYPE_MASK,
- cs42l52->pdata.micb_cfg <<
- CS42L52_MIC_CTL_TYPE_SHIFT);
-
- /* if Single Ended, Get Mic_Select */
- if (cs42l52->pdata.mica_cfg)
- snd_soc_update_bits(codec, CS42L52_MICA_CTL,
- CS42L52_MIC_CTL_MIC_SEL_MASK,
- cs42l52->pdata.mica_sel <<
- CS42L52_MIC_CTL_MIC_SEL_SHIFT);
- if (cs42l52->pdata.micb_cfg)
- snd_soc_update_bits(codec, CS42L52_MICB_CTL,
- CS42L52_MIC_CTL_MIC_SEL_MASK,
- cs42l52->pdata.micb_sel <<
- CS42L52_MIC_CTL_MIC_SEL_SHIFT);
-
- /* Set Platform Charge Pump Freq */
- snd_soc_update_bits(codec, CS42L52_CHARGE_PUMP,
- CS42L52_CHARGE_PUMP_MASK,
- cs42l52->pdata.chgfreq <<
- CS42L52_CHARGE_PUMP_SHIFT);
-
- /* Set Platform Bias Level */
- snd_soc_update_bits(codec, CS42L52_IFACE_CTL2,
- CS42L52_IFACE_CTL2_BIAS_LVL,
- cs42l52->pdata.micbias_lvl);
-
- return ret;
+ return 0;
}
static int cs42l52_remove(struct snd_soc_codec *codec)
@@ -1205,9 +1164,11 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
const struct i2c_device_id *id)
{
struct cs42l52_private *cs42l52;
+ struct cs42l52_platform_data *pdata = dev_get_platdata(&i2c_client->dev);
int ret;
unsigned int devid = 0;
unsigned int reg;
+ u32 val32;
cs42l52 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l52_private),
GFP_KERNEL);
@@ -1221,12 +1182,55 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
return ret;
}
+ if (pdata) {
+ cs42l52->pdata = *pdata;
+ } else {
+ pdata = devm_kzalloc(&i2c_client->dev,
+ sizeof(struct cs42l52_platform_data),
+ GFP_KERNEL);
+ if (!pdata) {
+ dev_err(&i2c_client->dev, "could not allocate pdata\n");
+ return -ENOMEM;
+ }
+ if (i2c_client->dev.of_node) {
+ if (of_property_read_bool(i2c_client->dev.of_node,
+ "cirrus,mica-differential-cfg"))
+ pdata->mica_diff_cfg = true;
+
+ if (of_property_read_bool(i2c_client->dev.of_node,
+ "cirrus,micb-differential-cfg"))
+ pdata->micb_diff_cfg = true;
+
+ if (of_property_read_u32(i2c_client->dev.of_node,
+ "cirrus,micbias-lvl", &val32) >= 0)
+ pdata->micbias_lvl = val32;
+
+ if (of_property_read_u32(i2c_client->dev.of_node,
+ "cirrus,chgfreq-divisor", &val32) >= 0)
+ pdata->chgfreq = val32;
+
+ pdata->reset_gpio =
+ of_get_named_gpio(i2c_client->dev.of_node,
+ "cirrus,reset-gpio", 0);
+ }
+ cs42l52->pdata = *pdata;
+ }
- i2c_set_clientdata(i2c_client, cs42l52);
+ if (cs42l52->pdata.reset_gpio) {
+ ret = devm_gpio_request_one(&i2c_client->dev,
+ cs42l52->pdata.reset_gpio,
+ GPIOF_OUT_INIT_HIGH,
+ "CS42L52 /RST");
+ if (ret < 0) {
+ dev_err(&i2c_client->dev, "Failed to request /RST %d: %d\n",
+ cs42l52->pdata.reset_gpio, ret);
+ return ret;
+ }
+ gpio_set_value_cansleep(cs42l52->pdata.reset_gpio, 0);
+ gpio_set_value_cansleep(cs42l52->pdata.reset_gpio, 1);
+ }
- if (dev_get_platdata(&i2c_client->dev))
- memcpy(&cs42l52->pdata, dev_get_platdata(&i2c_client->dev),
- sizeof(cs42l52->pdata));
+ i2c_set_clientdata(i2c_client, cs42l52);
ret = regmap_register_patch(cs42l52->regmap, cs42l52_threshold_patch,
ARRAY_SIZE(cs42l52_threshold_patch));
@@ -1244,7 +1248,32 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
return ret;
}
- regcache_cache_only(cs42l52->regmap, true);
+ dev_info(&i2c_client->dev, "Cirrus Logic CS42L52, Revision: %02X\n",
+ reg & CS42L52_CHIP_REV_MASK);
+
+ /* Set Platform Data */
+ if (cs42l52->pdata.mica_diff_cfg)
+ regmap_update_bits(cs42l52->regmap, CS42L52_MICA_CTL,
+ CS42L52_MIC_CTL_TYPE_MASK,
+ cs42l52->pdata.mica_diff_cfg <<
+ CS42L52_MIC_CTL_TYPE_SHIFT);
+
+ if (cs42l52->pdata.micb_diff_cfg)
+ regmap_update_bits(cs42l52->regmap, CS42L52_MICB_CTL,
+ CS42L52_MIC_CTL_TYPE_MASK,
+ cs42l52->pdata.micb_diff_cfg <<
+ CS42L52_MIC_CTL_TYPE_SHIFT);
+
+ if (cs42l52->pdata.chgfreq)
+ regmap_update_bits(cs42l52->regmap, CS42L52_CHARGE_PUMP,
+ CS42L52_CHARGE_PUMP_MASK,
+ cs42l52->pdata.chgfreq <<
+ CS42L52_CHARGE_PUMP_SHIFT);
+
+ if (cs42l52->pdata.micbias_lvl)
+ regmap_update_bits(cs42l52->regmap, CS42L52_IFACE_CTL2,
+ CS42L52_IFACE_CTL2_BIAS_LVL,
+ cs42l52->pdata.micbias_lvl);
ret = snd_soc_register_codec(&i2c_client->dev,
&soc_codec_dev_cs42l52, &cs42l52_dai, 1);
@@ -1259,6 +1288,13 @@ static int cs42l52_i2c_remove(struct i2c_client *client)
return 0;
}
+static const struct of_device_id cs42l52_of_match[] = {
+ { .compatible = "cirrus,cs42l52", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, cs42l52_of_match);
+
+
static const struct i2c_device_id cs42l52_id[] = {
{ "cs42l52", 0 },
{ }
@@ -1269,6 +1305,7 @@ static struct i2c_driver cs42l52_i2c_driver = {
.driver = {
.name = "cs42l52",
.owner = THIS_MODULE,
+ .of_match_table = cs42l52_of_match,
},
.id_table = cs42l52_id,
.probe = cs42l52_i2c_probe,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 17:58:07 +0000