ASoC: codecs: Add da7219 codec driver
This adds support for the DA7219 audio codec with built-in advanced
accessory detect features.
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
new file mode 100644
index 0000000..76f8fc2
--- /dev/null
+++ b/sound/soc/codecs/da7219.c
@@ -0,0 +1,1940 @@
+/*
+ * da7219.c - DA7219 ALSA SoC Codec Driver
+ *
+ * Copyright (c) 2015 Dialog Semiconductor
+ *
+ * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
+ *
+ * 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/clk.h>
+#include <linux/i2c.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/pm.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/regulator/consumer.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <asm/div64.h>
+
+#include <sound/da7219.h>
+#include "da7219.h"
+#include "da7219-aad.h"
+
+
+/*
+ * TLVs and Enums
+ */
+
+/* Input TLVs */
+static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
+static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
+static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
+static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
+static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
+static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
+
+/* Output TLVs */
+static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
+
+static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
+ 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
+ /* -77.25dB to 12dB */
+ 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
+);
+
+static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
+static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
+
+/* Input Enums */
+static const char * const da7219_alc_attack_rate_txt[] = {
+ "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
+ "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
+ "30024/fs"
+};
+
+static const struct soc_enum da7219_alc_attack_rate =
+ SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
+ DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
+
+static const char * const da7219_alc_release_rate_txt[] = {
+ "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
+ "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
+};
+
+static const struct soc_enum da7219_alc_release_rate =
+ SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
+ DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
+
+static const char * const da7219_alc_hold_time_txt[] = {
+ "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
+ "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
+ "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
+};
+
+static const struct soc_enum da7219_alc_hold_time =
+ SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
+ DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
+
+static const char * const da7219_alc_env_rate_txt[] = {
+ "1/4", "1/16", "1/256", "1/65536"
+};
+
+static const struct soc_enum da7219_alc_env_attack_rate =
+ SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
+ DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
+
+static const struct soc_enum da7219_alc_env_release_rate =
+ SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
+ DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
+
+static const char * const da7219_alc_anticlip_step_txt[] = {
+ "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
+};
+
+static const struct soc_enum da7219_alc_anticlip_step =
+ SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
+ DA7219_ALC_ANTICLIP_STEP_SHIFT,
+ DA7219_ALC_ANTICLIP_STEP_MAX,
+ da7219_alc_anticlip_step_txt);
+
+/* Input/Output Enums */
+static const char * const da7219_gain_ramp_rate_txt[] = {
+ "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
+ "Nominal Rate / 16"
+};
+
+static const struct soc_enum da7219_gain_ramp_rate =
+ SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
+ DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
+
+static const char * const da7219_hpf_mode_txt[] = {
+ "Disabled", "Audio", "Voice"
+};
+
+static const unsigned int da7219_hpf_mode_val[] = {
+ DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
+};
+
+static const struct soc_enum da7219_adc_hpf_mode =
+ SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
+ DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
+ da7219_hpf_mode_txt, da7219_hpf_mode_val);
+
+static const struct soc_enum da7219_dac_hpf_mode =
+ SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
+ DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
+ da7219_hpf_mode_txt, da7219_hpf_mode_val);
+
+static const char * const da7219_audio_hpf_corner_txt[] = {
+ "2Hz", "4Hz", "8Hz", "16Hz"
+};
+
+static const struct soc_enum da7219_adc_audio_hpf_corner =
+ SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
+ DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
+ DA7219_AUDIO_HPF_CORNER_MAX,
+ da7219_audio_hpf_corner_txt);
+
+static const struct soc_enum da7219_dac_audio_hpf_corner =
+ SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
+ DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
+ DA7219_AUDIO_HPF_CORNER_MAX,
+ da7219_audio_hpf_corner_txt);
+
+static const char * const da7219_voice_hpf_corner_txt[] = {
+ "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
+};
+
+static const struct soc_enum da7219_adc_voice_hpf_corner =
+ SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
+ DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
+ DA7219_VOICE_HPF_CORNER_MAX,
+ da7219_voice_hpf_corner_txt);
+
+static const struct soc_enum da7219_dac_voice_hpf_corner =
+ SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
+ DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
+ DA7219_VOICE_HPF_CORNER_MAX,
+ da7219_voice_hpf_corner_txt);
+
+static const char * const da7219_tonegen_dtmf_key_txt[] = {
+ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
+ "*", "#"
+};
+
+static const struct soc_enum da7219_tonegen_dtmf_key =
+ SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
+ DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
+
+static const char * const da7219_tonegen_swg_sel_txt[] = {
+ "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
+};
+
+static const struct soc_enum da7219_tonegen_swg_sel =
+ SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
+ DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
+
+/* Output Enums */
+static const char * const da7219_dac_softmute_rate_txt[] = {
+ "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
+ "32 Samples", "64 Samples"
+};
+
+static const struct soc_enum da7219_dac_softmute_rate =
+ SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
+ DA7219_DAC_SOFTMUTE_RATE_MAX,
+ da7219_dac_softmute_rate_txt);
+
+static const char * const da7219_dac_ng_setup_time_txt[] = {
+ "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
+};
+
+static const struct soc_enum da7219_dac_ng_setup_time =
+ SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
+ DA7219_DAC_NG_SETUP_TIME_SHIFT,
+ DA7219_DAC_NG_SETUP_TIME_MAX,
+ da7219_dac_ng_setup_time_txt);
+
+static const char * const da7219_dac_ng_rampup_txt[] = {
+ "0.22ms/dB", "0.0138ms/dB"
+};
+
+static const struct soc_enum da7219_dac_ng_rampup_rate =
+ SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
+ DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
+ DA7219_DAC_NG_RAMP_RATE_MAX,
+ da7219_dac_ng_rampup_txt);
+
+static const char * const da7219_dac_ng_rampdown_txt[] = {
+ "0.88ms/dB", "14.08ms/dB"
+};
+
+static const struct soc_enum da7219_dac_ng_rampdown_rate =
+ SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
+ DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
+ DA7219_DAC_NG_RAMP_RATE_MAX,
+ da7219_dac_ng_rampdown_txt);
+
+
+static const char * const da7219_cp_track_mode_txt[] = {
+ "Largest Volume", "DAC Volume", "Signal Magnitude"
+};
+
+static const unsigned int da7219_cp_track_mode_val[] = {
+ DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
+ DA7219_CP_MCHANGE_SIG_MAG
+};
+
+static const struct soc_enum da7219_cp_track_mode =
+ SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
+ DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
+ da7219_cp_track_mode_txt,
+ da7219_cp_track_mode_val);
+
+
+/*
+ * Control Functions
+ */
+
+/* Locked Kcontrol calls */
+static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ mutex_lock(&da7219->lock);
+ ret = snd_soc_get_volsw(kcontrol, ucontrol);
+ mutex_unlock(&da7219->lock);
+
+ return ret;
+}
+
+static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ mutex_lock(&da7219->lock);
+ ret = snd_soc_put_volsw(kcontrol, ucontrol);
+ mutex_unlock(&da7219->lock);
+
+ return ret;
+}
+
+static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ mutex_lock(&da7219->lock);
+ ret = snd_soc_get_enum_double(kcontrol, ucontrol);
+ mutex_unlock(&da7219->lock);
+
+ return ret;
+}
+
+static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ mutex_lock(&da7219->lock);
+ ret = snd_soc_put_enum_double(kcontrol, ucontrol);
+ mutex_unlock(&da7219->lock);
+
+ return ret;
+}
+
+/* ALC */
+static void da7219_alc_calib(struct snd_soc_codec *codec)
+{
+ u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
+
+ /* Save current state of mic control register */
+ mic_ctrl = snd_soc_read(codec, DA7219_MIC_1_CTRL);
+
+ /* Save current state of input mixer control register */
+ mixin_ctrl = snd_soc_read(codec, DA7219_MIXIN_L_CTRL);
+
+ /* Save current state of input ADC control register */
+ adc_ctrl = snd_soc_read(codec, DA7219_ADC_L_CTRL);
+
+ /* Enable then Mute MIC PGAs */
+ snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
+ DA7219_MIC_1_AMP_EN_MASK);
+ snd_soc_update_bits(codec, DA7219_MIC_1_CTRL,
+ DA7219_MIC_1_AMP_MUTE_EN_MASK,
+ DA7219_MIC_1_AMP_MUTE_EN_MASK);
+
+ /* Enable input mixers unmuted */
+ snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
+ DA7219_MIXIN_L_AMP_EN_MASK |
+ DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
+ DA7219_MIXIN_L_AMP_EN_MASK);
+
+ /* Enable input filters unmuted */
+ snd_soc_update_bits(codec, DA7219_ADC_L_CTRL,
+ DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
+ DA7219_ADC_L_EN_MASK);
+
+ /* Perform auto calibration */
+ snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
+ DA7219_ALC_AUTO_CALIB_EN_MASK,
+ DA7219_ALC_AUTO_CALIB_EN_MASK);
+ do {
+ calib_ctrl = snd_soc_read(codec, DA7219_ALC_CTRL1);
+ } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
+
+ /* If auto calibration fails, disable DC offset, hybrid ALC */
+ if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
+ dev_warn(codec->dev,
+ "ALC auto calibration failed with overflow\n");
+ snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
+ DA7219_ALC_OFFSET_EN_MASK |
+ DA7219_ALC_SYNC_MODE_MASK, 0);
+ } else {
+ /* Enable DC offset cancellation, hybrid mode */
+ snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
+ DA7219_ALC_OFFSET_EN_MASK |
+ DA7219_ALC_SYNC_MODE_MASK,
+ DA7219_ALC_OFFSET_EN_MASK |
+ DA7219_ALC_SYNC_MODE_MASK);
+ }
+
+ /* Restore input filter control register to original state */
+ snd_soc_write(codec, DA7219_ADC_L_CTRL, adc_ctrl);
+
+ /* Restore input mixer control registers to original state */
+ snd_soc_write(codec, DA7219_MIXIN_L_CTRL, mixin_ctrl);
+
+ /* Restore MIC control registers to original states */
+ snd_soc_write(codec, DA7219_MIC_1_CTRL, mic_ctrl);
+}
+
+static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ ret = snd_soc_put_volsw(kcontrol, ucontrol);
+
+ /*
+ * If ALC in operation and value of control has been updated,
+ * make sure calibrated offsets are updated.
+ */
+ if ((ret == 1) && (da7219->alc_en))
+ da7219_alc_calib(codec);
+
+ return ret;
+}
+
+static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+
+
+ /* Force ALC offset calibration if enabling ALC */
+ if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
+ da7219_alc_calib(codec);
+ da7219->alc_en = false;
+ } else {
+ da7219->alc_en = false;
+ }
+
+ return snd_soc_put_volsw(kcontrol, ucontrol);
+}
+
+/* ToneGen */
+static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ struct soc_mixer_control *mixer_ctrl =
+ (struct soc_mixer_control *) kcontrol->private_value;
+ unsigned int reg = mixer_ctrl->reg;
+ u16 val;
+ int ret;
+
+ mutex_lock(&da7219->lock);
+ ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
+ mutex_unlock(&da7219->lock);
+
+ if (ret)
+ return ret;
+
+ /*
+ * Frequency value spans two 8-bit registers, lower then upper byte.
+ * Therefore we need to convert to host endianness here.
+ */
+ ucontrol->value.integer.value[0] = le16_to_cpu(val);
+
+ return 0;
+}
+
+static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ struct soc_mixer_control *mixer_ctrl =
+ (struct soc_mixer_control *) kcontrol->private_value;
+ unsigned int reg = mixer_ctrl->reg;
+ u16 val;
+ int ret;
+
+ /*
+ * Frequency value spans two 8-bit registers, lower then upper byte.
+ * Therefore we need to convert to little endian here to align with
+ * HW registers.
+ */
+ val = cpu_to_le16(ucontrol->value.integer.value[0]);
+
+ mutex_lock(&da7219->lock);
+ ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
+ mutex_unlock(&da7219->lock);
+
+ return ret;
+}
+
+
+/*
+ * KControls
+ */
+
+static const struct snd_kcontrol_new da7219_snd_controls[] = {
+ /* Mics */
+ SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
+ DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
+ DA7219_NO_INVERT, da7219_mic_gain_tlv),
+ SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
+ DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_INVERT),
+
+ /* Mixer Input */
+ SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
+ DA7219_MIXIN_L_AMP_GAIN_SHIFT,
+ DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
+ snd_soc_get_volsw, da7219_mixin_gain_put,
+ da7219_mixin_gain_tlv),
+ SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
+ DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_INVERT),
+ SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
+ DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_NO_INVERT),
+ SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
+ DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_NO_INVERT),
+
+ /* ADC */
+ SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
+ DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
+ DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
+ da7219_adc_dig_gain_tlv),
+ SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
+ DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_INVERT),
+ SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
+ DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_NO_INVERT),
+
+ /* ALC */
+ SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
+ SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
+ SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
+ SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
+ SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
+ SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
+ DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
+ DA7219_INVERT, da7219_alc_threshold_tlv),
+ SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
+ DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
+ DA7219_INVERT, da7219_alc_threshold_tlv),
+ SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
+ DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
+ DA7219_INVERT, da7219_alc_threshold_tlv),
+ SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
+ DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
+ DA7219_NO_INVERT, da7219_alc_gain_tlv),
+ SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
+ DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
+ DA7219_NO_INVERT, da7219_alc_gain_tlv),
+ SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
+ DA7219_ALC_ANA_GAIN_MIN_SHIFT,
+ DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
+ DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
+ SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
+ DA7219_ALC_ANA_GAIN_MAX_SHIFT,
+ DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
+ DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
+ SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
+ SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
+ DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_NO_INVERT),
+ SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
+ snd_soc_get_volsw, da7219_alc_sw_put),
+
+ /* Input High-Pass Filters */
+ SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
+ SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
+ SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
+
+ /* Sidetone Filter */
+ SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
+ DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
+ DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
+ SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
+ DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_INVERT),
+
+ /* Tone Generator */
+ SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
+ DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
+ DA7219_NO_INVERT, da7219_volsw_locked_get,
+ da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
+ SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
+ da7219_enum_locked_get, da7219_enum_locked_put),
+ SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
+ DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_NO_INVERT, da7219_volsw_locked_get,
+ da7219_volsw_locked_put),
+ SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
+ da7219_enum_locked_get, da7219_enum_locked_put),
+ SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
+ DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
+ da7219_tonegen_freq_get, da7219_tonegen_freq_put),
+ SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
+ DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
+ da7219_tonegen_freq_get, da7219_tonegen_freq_put),
+ SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
+ DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
+ DA7219_NO_INVERT, da7219_volsw_locked_get,
+ da7219_volsw_locked_put),
+ SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
+ DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
+ DA7219_NO_INVERT),
+
+ /* Gain ramping */
+ SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
+
+ /* DAC High-Pass Filter */
+ SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
+ da7219_enum_locked_get, da7219_enum_locked_put),
+ SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
+ SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
+
+ /* DAC 5-Band Equaliser */
+ SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
+ DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
+ DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
+ SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
+ DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
+ DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
+ SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
+ DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
+ DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
+ SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
+ DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
+ DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
+ SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
+ DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
+ DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
+ SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
+ DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_NO_INVERT, da7219_volsw_locked_get,
+ da7219_volsw_locked_put),
+
+ /* DAC Softmute */
+ SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
+ SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
+ DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_NO_INVERT, da7219_volsw_locked_get,
+ da7219_volsw_locked_put),
+
+ /* DAC Noise Gate */
+ SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
+ SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
+ SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
+ SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
+ DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
+ DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
+ da7219_dac_ng_threshold_tlv),
+ SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
+ DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
+ DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
+ da7219_dac_ng_threshold_tlv),
+ SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
+
+ /* DACs */
+ SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
+ DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
+ DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
+ da7219_volsw_locked_get, da7219_volsw_locked_put,
+ da7219_dac_dig_gain_tlv),
+ SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
+ DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_INVERT,
+ da7219_volsw_locked_get, da7219_volsw_locked_put),
+ SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
+ DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
+
+ /* CP */
+ SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
+ SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
+ DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
+ DA7219_NO_INVERT),
+
+ /* Headphones */
+ SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
+ DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
+ DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
+ da7219_volsw_locked_get, da7219_volsw_locked_put,
+ da7219_hp_gain_tlv),
+ SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
+ DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
+ DA7219_INVERT, da7219_volsw_locked_get,
+ da7219_volsw_locked_put),
+ SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
+ DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
+ SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
+ DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
+};
+
+
+/*
+ * DAPM Mux Controls
+ */
+
+static const char * const da7219_out_sel_txt[] = {
+ "ADC", "Tone Generator", "DAIL", "DAIR"
+};
+
+static const struct soc_enum da7219_out_dail_sel =
+ SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
+ DA7219_DAI_L_SRC_SHIFT,
+ DA7219_OUT_SRC_MAX,
+ da7219_out_sel_txt);
+
+static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
+ SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
+
+static const struct soc_enum da7219_out_dair_sel =
+ SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
+ DA7219_DAI_R_SRC_SHIFT,
+ DA7219_OUT_SRC_MAX,
+ da7219_out_sel_txt);
+
+static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
+ SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
+
+static const struct soc_enum da7219_out_dacl_sel =
+ SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
+ DA7219_DAC_L_SRC_SHIFT,
+ DA7219_OUT_SRC_MAX,
+ da7219_out_sel_txt);
+
+static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
+ SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
+
+static const struct soc_enum da7219_out_dacr_sel =
+ SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
+ DA7219_DAC_R_SRC_SHIFT,
+ DA7219_OUT_SRC_MAX,
+ da7219_out_sel_txt);
+
+static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
+ SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
+
+
+/*
+ * DAPM Mixer Controls
+ */
+
+static const struct snd_kcontrol_new da7219_mixin_controls[] = {
+ SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
+ DA7219_MIXIN_L_MIX_SELECT_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
+};
+
+static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
+ SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
+ DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
+};
+
+static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
+ SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
+ DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
+};
+
+#define DA7219_DMIX_ST_CTRLS(reg) \
+ SOC_DAPM_SINGLE("Out FilterL Switch", reg, \
+ DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT, \
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \
+ SOC_DAPM_SINGLE("Out FilterR Switch", reg, \
+ DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT, \
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \
+ SOC_DAPM_SINGLE("Sidetone Switch", reg, \
+ DA7219_DMIX_ST_SRC_SIDETONE_SHIFT, \
+ DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT) \
+
+static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
+ DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
+};
+
+static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
+ DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
+};
+
+
+/*
+ * DAPM Events
+ */
+
+static int da7219_dai_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ u8 pll_ctrl, pll_status;
+ int i = 0;
+ bool srm_lock = false;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ if (da7219->master)
+ /* Enable DAI clks for master mode */
+ snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
+ DA7219_DAI_CLK_EN_MASK,
+ DA7219_DAI_CLK_EN_MASK);
+
+ /* PC synchronised to DAI */
+ snd_soc_update_bits(codec, DA7219_PC_COUNT,
+ DA7219_PC_FREERUN_MASK, 0);
+
+ /* Slave mode, if SRM not enabled no need for status checks */
+ pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL);
+ if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
+ return 0;
+
+ /* Check SRM has locked */
+ do {
+ pll_status = snd_soc_read(codec, DA7219_PLL_SRM_STS);
+ if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
+ srm_lock = true;
+ } else {
+ ++i;
+ msleep(50);
+ }
+ } while ((i < DA7219_SRM_CHECK_RETRIES) & (!srm_lock));
+
+ if (!srm_lock)
+ dev_warn(codec->dev, "SRM failed to lock\n");
+
+ return 0;
+ case SND_SOC_DAPM_POST_PMD:
+ /* PC free-running */
+ snd_soc_update_bits(codec, DA7219_PC_COUNT,
+ DA7219_PC_FREERUN_MASK,
+ DA7219_PC_FREERUN_MASK);
+
+ /* Disable DAI clks if in master mode */
+ if (da7219->master)
+ snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
+ DA7219_DAI_CLK_EN_MASK, 0);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+
+/*
+ * DAPM Widgets
+ */
+
+static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
+ /* Input Supplies */
+ SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
+ DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
+ NULL, 0),
+
+ /* Inputs */
+ SND_SOC_DAPM_INPUT("MIC"),
+
+ /* Input PGAs */
+ SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL,
+ DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
+ NULL, 0),
+ SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL,
+ DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
+ NULL, 0),
+
+ /* Input Filters */
+ SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
+ DA7219_NO_INVERT),
+
+ /* Tone Generator */
+ SND_SOC_DAPM_SIGGEN("TONE"),
+ SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
+ DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
+
+ /* Sidetone Input */
+ SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
+ DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
+
+ /* Input Mixer Supply */
+ SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
+ DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
+ NULL, 0),
+
+ /* Input Mixer */
+ SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
+ da7219_mixin_controls,
+ ARRAY_SIZE(da7219_mixin_controls)),
+
+ /* Input Muxes */
+ SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
+ &da7219_out_dail_sel_mux),
+ SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
+ &da7219_out_dair_sel_mux),
+
+ /* DAI Supply */
+ SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
+ DA7219_NO_INVERT, da7219_dai_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* DAI */
+ SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
+
+ /* Output Muxes */
+ SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
+ &da7219_out_dacl_sel_mux),
+ SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
+ &da7219_out_dacr_sel_mux),
+
+ /* Output Mixers */
+ SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
+ da7219_mixout_l_controls,
+ ARRAY_SIZE(da7219_mixout_l_controls)),
+ SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
+ da7219_mixout_r_controls,
+ ARRAY_SIZE(da7219_mixout_r_controls)),
+
+ /* Sidetone Mixers */
+ SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
+ da7219_st_out_filtl_mix_controls,
+ ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
+ SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
+ 0, da7219_st_out_filtr_mix_controls,
+ ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
+
+ /* DACs */
+ SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT,
+ DA7219_NO_INVERT),
+ SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT,
+ DA7219_NO_INVERT),
+
+ /* Output PGAs */
+ SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
+ DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
+ NULL, 0),
+ SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
+ DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
+ NULL, 0),
+ SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL,
+ DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
+ SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL,
+ DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
+
+ /* Output Supplies */
+ SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT,
+ DA7219_NO_INVERT, NULL, 0),
+
+ /* Outputs */
+ SND_SOC_DAPM_OUTPUT("HPL"),
+ SND_SOC_DAPM_OUTPUT("HPR"),
+};
+
+
+/*
+ * DAPM Mux Routes
+ */
+
+#define DA7219_OUT_DAI_MUX_ROUTES(name) \
+ {name, "ADC", "Mixer In"}, \
+ {name, "Tone Generator", "Tone Generator"}, \
+ {name, "DAIL", "DAIOUT"}, \
+ {name, "DAIR", "DAIOUT"}
+
+#define DA7219_OUT_DAC_MUX_ROUTES(name) \
+ {name, "ADC", "Mixer In"}, \
+ {name, "Tone Generator", "Tone Generator"}, \
+ {name, "DAIL", "DAIIN"}, \
+ {name, "DAIR", "DAIIN"}
+
+/*
+ * DAPM Mixer Routes
+ */
+
+#define DA7219_DMIX_ST_ROUTES(name) \
+ {name, "Out FilterL Switch", "Mixer Out FilterL"}, \
+ {name, "Out FilterR Switch", "Mixer Out FilterR"}, \
+ {name, "Sidetone Switch", "Sidetone Filter"}
+
+
+/*
+ * DAPM audio route definition
+ */
+
+static const struct snd_soc_dapm_route da7219_audio_map[] = {
+ /* Input paths */
+ {"MIC", NULL, "Mic Bias"},
+ {"Mic PGA", NULL, "MIC"},
+ {"Mixin PGA", NULL, "Mic PGA"},
+ {"ADC", NULL, "Mixin PGA"},
+
+ {"Sidetone Filter", NULL, "ADC"},
+ {"Mixer In", NULL, "Mixer In Supply"},
+ {"Mixer In", "Mic Switch", "ADC"},
+
+ {"Tone Generator", NULL, "TONE"},
+
+ DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
+ DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
+
+ {"DAIOUT", NULL, "Out DAIL Mux"},
+ {"DAIOUT", NULL, "Out DAIR Mux"},
+ {"DAIOUT", NULL, "DAI"},
+
+ /* Output paths */
+ {"DAIIN", NULL, "DAI"},
+
+ DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
+ DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
+
+ {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
+ {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
+
+ DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
+ DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
+
+ {"DACL", NULL, "ST Mixer Out FilterL"},
+ {"DACR", NULL, "ST Mixer Out FilterR"},
+
+ {"Mixout Left PGA", NULL, "DACL"},
+ {"Mixout Right PGA", NULL, "DACR"},
+
+ {"Headphone Left PGA", NULL, "Mixout Left PGA"},
+ {"Headphone Right PGA", NULL, "Mixout Right PGA"},
+
+ {"HPL", NULL, "Headphone Left PGA"},
+ {"HPR", NULL, "Headphone Right PGA"},
+
+ {"HPL", NULL, "Charge Pump"},
+ {"HPR", NULL, "Charge Pump"},
+};
+
+
+/*
+ * DAI operations
+ */
+
+static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0;
+
+ if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
+ return 0;
+
+ if (((freq < 2000000) && (freq != 32768)) || (freq > 54000000)) {
+ dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
+ freq);
+ return -EINVAL;
+ }
+
+ switch (clk_id) {
+ case DA7219_CLKSRC_MCLK_SQR:
+ snd_soc_update_bits(codec, DA7219_PLL_CTRL,
+ DA7219_PLL_MCLK_SQR_EN_MASK,
+ DA7219_PLL_MCLK_SQR_EN_MASK);
+ break;
+ case DA7219_CLKSRC_MCLK:
+ snd_soc_update_bits(codec, DA7219_PLL_CTRL,
+ DA7219_PLL_MCLK_SQR_EN_MASK, 0);
+ break;
+ default:
+ dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
+ return -EINVAL;
+ }
+
+ da7219->clk_src = clk_id;
+
+ if (da7219->mclk) {
+ freq = clk_round_rate(da7219->mclk, freq);
+ ret = clk_set_rate(da7219->mclk, freq);
+ if (ret) {
+ dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
+ freq);
+ return ret;
+ }
+ }
+
+ da7219->mclk_rate = freq;
+
+ return 0;
+}
+
+static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
+ int source, unsigned int fref, unsigned int fout)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+
+ u8 pll_ctrl, indiv_bits, indiv;
+ u8 pll_frac_top, pll_frac_bot, pll_integer;
+ u32 freq_ref;
+ u64 frac_div;
+
+ /* Verify 32KHz, 2MHz - 54MHz MCLK provided, and set input divider */
+ if (da7219->mclk_rate == 32768) {
+ indiv_bits = DA7219_PLL_INDIV_2_5_MHZ;
+ indiv = DA7219_PLL_INDIV_2_5_MHZ_VAL;
+ } else if (da7219->mclk_rate < 2000000) {
+ dev_err(codec->dev, "PLL input clock %d below valid range\n",
+ da7219->mclk_rate);
+ return -EINVAL;
+ } else if (da7219->mclk_rate <= 5000000) {
+ indiv_bits = DA7219_PLL_INDIV_2_5_MHZ;
+ indiv = DA7219_PLL_INDIV_2_5_MHZ_VAL;
+ } else if (da7219->mclk_rate <= 10000000) {
+ indiv_bits = DA7219_PLL_INDIV_5_10_MHZ;
+ indiv = DA7219_PLL_INDIV_5_10_MHZ_VAL;
+ } else if (da7219->mclk_rate <= 20000000) {
+ indiv_bits = DA7219_PLL_INDIV_10_20_MHZ;
+ indiv = DA7219_PLL_INDIV_10_20_MHZ_VAL;
+ } else if (da7219->mclk_rate <= 40000000) {
+ indiv_bits = DA7219_PLL_INDIV_20_40_MHZ;
+ indiv = DA7219_PLL_INDIV_20_40_MHZ_VAL;
+ } else if (da7219->mclk_rate <= 54000000) {
+ indiv_bits = DA7219_PLL_INDIV_40_54_MHZ;
+ indiv = DA7219_PLL_INDIV_40_54_MHZ_VAL;
+ } else {
+ dev_err(codec->dev, "PLL input clock %d above valid range\n",
+ da7219->mclk_rate);
+ return -EINVAL;
+ }
+ freq_ref = (da7219->mclk_rate / indiv);
+ pll_ctrl = indiv_bits;
+
+ /* Configure PLL */
+ switch (source) {
+ case DA7219_SYSCLK_MCLK:
+ pll_ctrl |= DA7219_PLL_MODE_BYPASS;
+ snd_soc_update_bits(codec, DA7219_PLL_CTRL,
+ DA7219_PLL_INDIV_MASK |
+ DA7219_PLL_MODE_MASK, pll_ctrl);
+ return 0;
+ case DA7219_SYSCLK_PLL:
+ pll_ctrl |= DA7219_PLL_MODE_NORMAL;
+ break;
+ case DA7219_SYSCLK_PLL_SRM:
+ pll_ctrl |= DA7219_PLL_MODE_SRM;
+ break;
+ case DA7219_SYSCLK_PLL_32KHZ:
+ pll_ctrl |= DA7219_PLL_MODE_32KHZ;
+ break;
+ default:
+ dev_err(codec->dev, "Invalid PLL config\n");
+ return -EINVAL;
+ }
+
+ /* Calculate dividers for PLL */
+ pll_integer = fout / freq_ref;
+ frac_div = (u64)(fout % freq_ref) * 8192ULL;
+ do_div(frac_div, freq_ref);
+ pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
+ pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
+
+ /* Write PLL config & dividers */
+ snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top);
+ snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot);
+ snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer);
+ snd_soc_update_bits(codec, DA7219_PLL_CTRL,
+ DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
+ pll_ctrl);
+
+ return 0;
+}
+
+static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ u8 dai_clk_mode = 0, dai_ctrl = 0;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ da7219->master = true;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ da7219->master = false;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
+ DA7219_DAI_CLK_POL_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ dai_ctrl |= DA7219_DAI_FORMAT_I2S;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ dai_ctrl |= DA7219_DAI_FORMAT_DSP;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* By default 64 BCLKs per WCLK is supported */
+ dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
+
+ snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
+ DA7219_DAI_BCLKS_PER_WCLK_MASK |
+ DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
+ dai_clk_mode);
+ snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
+ dai_ctrl);
+
+ return 0;
+}
+
+static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask,
+ int slots, int slot_width)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ u8 dai_bclks_per_wclk;
+ u16 offset;
+ u32 frame_size;
+
+ /* No channels enabled so disable TDM, revert to 64-bit frames */
+ if (!tx_mask) {
+ snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
+ DA7219_DAI_TDM_CH_EN_MASK |
+ DA7219_DAI_TDM_MODE_EN_MASK, 0);
+ snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
+ DA7219_DAI_BCLKS_PER_WCLK_MASK,
+ DA7219_DAI_BCLKS_PER_WCLK_64);
+ return 0;
+ }
+
+ /* Check we have valid slots */
+ if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
+ dev_err(codec->dev, "Invalid number of slots, max = %d\n",
+ DA7219_DAI_TDM_MAX_SLOTS);
+ return -EINVAL;
+ }
+
+ /* Check we have a valid offset given */
+ if (rx_mask > DA7219_DAI_OFFSET_MAX) {
+ dev_err(codec->dev, "Invalid slot offset, max = %d\n",
+ DA7219_DAI_OFFSET_MAX);
+ return -EINVAL;
+ }
+
+ /* Calculate & validate frame size based on slot info provided. */
+ frame_size = slots * slot_width;
+ switch (frame_size) {
+ case 32:
+ dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
+ break;
+ case 64:
+ dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
+ break;
+ case 128:
+ dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
+ break;
+ case 256:
+ dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
+ break;
+ default:
+ dev_err(codec->dev, "Invalid frame size %d\n", frame_size);
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
+ DA7219_DAI_BCLKS_PER_WCLK_MASK,
+ dai_bclks_per_wclk);
+
+ offset = cpu_to_le16(rx_mask);
+ regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
+ &offset, sizeof(offset));
+
+ snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
+ DA7219_DAI_TDM_CH_EN_MASK |
+ DA7219_DAI_TDM_MODE_EN_MASK,
+ (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
+ DA7219_DAI_TDM_MODE_EN_MASK);
+
+ return 0;
+}
+
+static int da7219_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u8 dai_ctrl = 0, fs;
+ unsigned int channels;
+
+ switch (params_width(params)) {
+ case 16:
+ dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
+ break;
+ case 20:
+ dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
+ break;
+ case 24:
+ dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
+ break;
+ case 32:
+ dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ channels = params_channels(params);
+ if ((channels < 1) | (channels > DA7219_DAI_CH_NUM_MAX)) {
+ dev_err(codec->dev,
+ "Invalid number of channels, only 1 to %d supported\n",
+ DA7219_DAI_CH_NUM_MAX);
+ return -EINVAL;
+ }
+ dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
+
+ switch (params_rate(params)) {
+ case 8000:
+ fs = DA7219_SR_8000;
+ break;
+ case 11025:
+ fs = DA7219_SR_11025;
+ break;
+ case 12000:
+ fs = DA7219_SR_12000;
+ break;
+ case 16000:
+ fs = DA7219_SR_16000;
+ break;
+ case 22050:
+ fs = DA7219_SR_22050;
+ break;
+ case 24000:
+ fs = DA7219_SR_24000;
+ break;
+ case 32000:
+ fs = DA7219_SR_32000;
+ break;
+ case 44100:
+ fs = DA7219_SR_44100;
+ break;
+ case 48000:
+ fs = DA7219_SR_48000;
+ break;
+ case 88200:
+ fs = DA7219_SR_88200;
+ break;
+ case 96000:
+ fs = DA7219_SR_96000;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, DA7219_DAI_CTRL,
+ DA7219_DAI_WORD_LENGTH_MASK |
+ DA7219_DAI_CH_NUM_MASK,
+ dai_ctrl);
+ snd_soc_write(codec, DA7219_SR, fs);
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops da7219_dai_ops = {
+ .hw_params = da7219_hw_params,
+ .set_sysclk = da7219_set_dai_sysclk,
+ .set_pll = da7219_set_dai_pll,
+ .set_fmt = da7219_set_dai_fmt,
+ .set_tdm_slot = da7219_set_dai_tdm_slot,
+};
+
+#define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver da7219_dai = {
+ .name = "da7219-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = DA7219_DAI_CH_NUM_MAX,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = DA7219_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = DA7219_DAI_CH_NUM_MAX,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = DA7219_FORMATS,
+ },
+ .ops = &da7219_dai_ops,
+ .symmetric_rates = 1,
+ .symmetric_channels = 1,
+ .symmetric_samplebits = 1,
+};
+
+
+/*
+ * DT
+ */
+
+static const struct of_device_id da7219_of_match[] = {
+ { .compatible = "dlg,da7219", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, da7219_of_match);
+
+static enum da7219_ldo_lvl_sel da7219_of_ldo_lvl(struct snd_soc_codec *codec,
+ u32 val)
+{
+ switch (val) {
+ case 1050:
+ return DA7219_LDO_LVL_SEL_1_05V;
+ case 1100:
+ return DA7219_LDO_LVL_SEL_1_10V;
+ case 1200:
+ return DA7219_LDO_LVL_SEL_1_20V;
+ case 1400:
+ return DA7219_LDO_LVL_SEL_1_40V;
+ default:
+ dev_warn(codec->dev, "Invalid LDO level");
+ return DA7219_LDO_LVL_SEL_1_05V;
+ }
+}
+
+static enum da7219_micbias_voltage
+ da7219_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
+{
+ switch (val) {
+ case 1800:
+ return DA7219_MICBIAS_1_8V;
+ case 2000:
+ return DA7219_MICBIAS_2_0V;
+ case 2200:
+ return DA7219_MICBIAS_2_2V;
+ case 2400:
+ return DA7219_MICBIAS_2_4V;
+ case 2600:
+ return DA7219_MICBIAS_2_6V;
+ default:
+ dev_warn(codec->dev, "Invalid micbias level");
+ return DA7219_MICBIAS_2_2V;
+ }
+}
+
+static enum da7219_mic_amp_in_sel
+ da7219_of_mic_amp_in_sel(struct snd_soc_codec *codec, const char *str)
+{
+ if (!strcmp(str, "diff")) {
+ return DA7219_MIC_AMP_IN_SEL_DIFF;
+ } else if (!strcmp(str, "se_p")) {
+ return DA7219_MIC_AMP_IN_SEL_SE_P;
+ } else if (!strcmp(str, "se_n")) {
+ return DA7219_MIC_AMP_IN_SEL_SE_N;
+ } else {
+ dev_warn(codec->dev, "Invalid mic input type selection");
+ return DA7219_MIC_AMP_IN_SEL_DIFF;
+ }
+}
+
+static struct da7219_pdata *da7219_of_to_pdata(struct snd_soc_codec *codec)
+{
+ struct device_node *np = codec->dev->of_node;
+ struct da7219_pdata *pdata;
+ const char *of_str;
+ u32 of_val32;
+
+ pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return NULL;
+
+ if (of_property_read_u32(np, "dlg,ldo-lvl", &of_val32) >= 0)
+ pdata->ldo_lvl_sel = da7219_of_ldo_lvl(codec, of_val32);
+
+ if (of_property_read_u32(np, "dlg,micbias-lvl", &of_val32) >= 0)
+ pdata->micbias_lvl = da7219_of_micbias_lvl(codec, of_val32);
+ else
+ pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
+
+ if (!of_property_read_string(np, "dlg,mic-amp-in-sel", &of_str))
+ pdata->mic_amp_in_sel = da7219_of_mic_amp_in_sel(codec, of_str);
+ else
+ pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
+
+ return pdata;
+}
+
+
+/*
+ * Codec driver functions
+ */
+
+static int da7219_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
+ /* MCLK */
+ clk_prepare_enable(da7219->mclk);
+
+ /* Master bias */
+ snd_soc_update_bits(codec, DA7219_REFERENCES,
+ DA7219_BIAS_EN_MASK,
+ DA7219_BIAS_EN_MASK);
+
+ /* Enable Internal Digital LDO */
+ snd_soc_update_bits(codec, DA7219_LDO_CTRL,
+ DA7219_LDO_EN_MASK,
+ DA7219_LDO_EN_MASK);
+ }
+ break;
+ case SND_SOC_BIAS_OFF:
+ /* Only disable if jack detection not active */
+ if (!da7219->aad->jack) {
+ /* Bypass Internal Digital LDO */
+ snd_soc_update_bits(codec, DA7219_LDO_CTRL,
+ DA7219_LDO_EN_MASK, 0);
+
+ /* Master bias */
+ snd_soc_update_bits(codec, DA7219_REFERENCES,
+ DA7219_BIAS_EN_MASK, 0);
+ }
+
+ /* MCLK */
+ clk_disable_unprepare(da7219->mclk);
+ break;
+ }
+
+ return 0;
+}
+
+static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
+ [DA7219_SUPPLY_VDD] = "VDD",
+ [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
+ [DA7219_SUPPLY_VDDIO] = "VDDIO",
+};
+
+static int da7219_handle_supplies(struct snd_soc_codec *codec)
+{
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ struct regulator *vddio;
+ u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
+ int i, ret;
+
+ /* Get required supplies */
+ for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
+ da7219->supplies[i].supply = da7219_supply_names[i];
+
+ ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES,
+ da7219->supplies);
+ if (ret)
+ return ret;
+
+ /* Determine VDDIO voltage provided */
+ vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
+ ret = regulator_get_voltage(vddio);
+ if (ret < 1200000)
+ dev_warn(codec->dev, "Invalid VDDIO voltage\n");
+ else if (ret < 2800000)
+ io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
+
+ /* Enable main supplies */
+ ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
+
+ /* Ensure device in active mode */
+ snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
+
+ /* Update IO voltage level range */
+ snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl);
+
+ return ret;
+}
+
+static void da7219_handle_pdata(struct snd_soc_codec *codec)
+{
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ struct da7219_pdata *pdata = da7219->pdata;
+
+ if (pdata) {
+ u8 micbias_lvl = 0;
+
+ /* Internal LDO */
+ switch (pdata->ldo_lvl_sel) {
+ case DA7219_LDO_LVL_SEL_1_05V:
+ case DA7219_LDO_LVL_SEL_1_10V:
+ case DA7219_LDO_LVL_SEL_1_20V:
+ case DA7219_LDO_LVL_SEL_1_40V:
+ snd_soc_update_bits(codec, DA7219_LDO_CTRL,
+ DA7219_LDO_LEVEL_SELECT_MASK,
+ (pdata->ldo_lvl_sel <<
+ DA7219_LDO_LEVEL_SELECT_SHIFT));
+ break;
+ }
+
+ /* Mic Bias voltages */
+ switch (pdata->micbias_lvl) {
+ case DA7219_MICBIAS_1_8V:
+ case DA7219_MICBIAS_2_0V:
+ case DA7219_MICBIAS_2_2V:
+ case DA7219_MICBIAS_2_4V:
+ case DA7219_MICBIAS_2_6V:
+ micbias_lvl |= (pdata->micbias_lvl <<
+ DA7219_MICBIAS1_LEVEL_SHIFT);
+ break;
+ }
+
+ snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl);
+
+ /* Mic */
+ switch (pdata->mic_amp_in_sel) {
+ case DA7219_MIC_AMP_IN_SEL_DIFF:
+ case DA7219_MIC_AMP_IN_SEL_SE_P:
+ case DA7219_MIC_AMP_IN_SEL_SE_N:
+ snd_soc_write(codec, DA7219_MIC_1_SELECT,
+ pdata->mic_amp_in_sel);
+ break;
+ }
+ }
+}
+
+static int da7219_probe(struct snd_soc_codec *codec)
+{
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ mutex_init(&da7219->lock);
+
+ /* Regulator configuration */
+ ret = da7219_handle_supplies(codec);
+ if (ret)
+ return ret;
+
+ /* Handle DT/Platform data */
+ if (codec->dev->of_node)
+ da7219->pdata = da7219_of_to_pdata(codec);
+ else
+ da7219->pdata = dev_get_platdata(codec->dev);
+
+ da7219_handle_pdata(codec);
+
+ /* Check if MCLK provided */
+ da7219->mclk = devm_clk_get(codec->dev, "mclk");
+ if (IS_ERR(da7219->mclk)) {
+ if (PTR_ERR(da7219->mclk) != -ENOENT)
+ return PTR_ERR(da7219->mclk);
+ else
+ da7219->mclk = NULL;
+ }
+
+ /* Default PC counter to free-running */
+ snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
+ DA7219_PC_FREERUN_MASK);
+
+ /* Default gain ramping */
+ snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
+ DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
+ DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
+ snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
+ DA7219_ADC_L_RAMP_EN_MASK);
+ snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
+ DA7219_DAC_L_RAMP_EN_MASK);
+ snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
+ DA7219_DAC_R_RAMP_EN_MASK);
+ snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
+ DA7219_HP_L_AMP_RAMP_EN_MASK,
+ DA7219_HP_L_AMP_RAMP_EN_MASK);
+ snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
+ DA7219_HP_R_AMP_RAMP_EN_MASK,
+ DA7219_HP_R_AMP_RAMP_EN_MASK);
+
+ /* Default infinite tone gen, start/stop by Kcontrol */
+ snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
+
+ /* Initialise AAD block */
+ return da7219_aad_init(codec);
+}
+
+static int da7219_remove(struct snd_soc_codec *codec)
+{
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+
+ da7219_aad_exit(codec);
+
+ /* Supplies */
+ return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
+}
+
+#ifdef CONFIG_PM
+static int da7219_suspend(struct snd_soc_codec *codec)
+{
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+
+ snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ /* Put device into standby mode if jack detection disabled */
+ if (!da7219->aad->jack)
+ snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, 0);
+
+ return 0;
+}
+
+static int da7219_resume(struct snd_soc_codec *codec)
+{
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+
+ /* Put device into active mode if previously pushed to standby */
+ if (!da7219->aad->jack)
+ snd_soc_write(codec, DA7219_SYSTEM_ACTIVE,
+ DA7219_SYSTEM_ACTIVE_MASK);
+
+ snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ return 0;
+}
+#else
+#define da7219_suspend NULL
+#define da7219_resume NULL
+#endif
+
+static struct snd_soc_codec_driver soc_codec_dev_da7219 = {
+ .probe = da7219_probe,
+ .remove = da7219_remove,
+ .suspend = da7219_suspend,
+ .resume = da7219_resume,
+ .set_bias_level = da7219_set_bias_level,
+
+ .controls = da7219_snd_controls,
+ .num_controls = ARRAY_SIZE(da7219_snd_controls),
+
+ .dapm_widgets = da7219_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets),
+ .dapm_routes = da7219_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(da7219_audio_map),
+};
+
+
+/*
+ * Regmap configs
+ */
+
+static struct reg_default da7219_reg_defaults[] = {
+ { DA7219_MIC_1_SELECT, 0x00 },
+ { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
+ { DA7219_SR_24_48, 0x00 },
+ { DA7219_SR, 0x0A },
+ { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
+ { DA7219_PLL_CTRL, 0x10 },
+ { DA7219_PLL_FRAC_TOP, 0x00 },
+ { DA7219_PLL_FRAC_BOT, 0x00 },
+ { DA7219_PLL_INTEGER, 0x20 },
+ { DA7219_DIG_ROUTING_DAI, 0x10 },
+ { DA7219_DAI_CLK_MODE, 0x01 },
+ { DA7219_DAI_CTRL, 0x28 },
+ { DA7219_DAI_TDM_CTRL, 0x40 },
+ { DA7219_DIG_ROUTING_DAC, 0x32 },
+ { DA7219_DAI_OFFSET_LOWER, 0x00 },
+ { DA7219_DAI_OFFSET_UPPER, 0x00 },
+ { DA7219_REFERENCES, 0x00 },
+ { DA7219_MIXIN_L_SELECT, 0x00 },
+ { DA7219_MIXIN_L_GAIN, 0x03 },
+ { DA7219_ADC_L_GAIN, 0x6F },
+ { DA7219_ADC_FILTERS1, 0x80 },
+ { DA7219_MIC_1_GAIN, 0x01 },
+ { DA7219_SIDETONE_CTRL, 0x40 },
+ { DA7219_SIDETONE_GAIN, 0x0E },
+ { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
+ { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
+ { DA7219_DAC_FILTERS5, 0x00 },
+ { DA7219_DAC_FILTERS2, 0x88 },
+ { DA7219_DAC_FILTERS3, 0x88 },
+ { DA7219_DAC_FILTERS4, 0x08 },
+ { DA7219_DAC_FILTERS1, 0x80 },
+ { DA7219_DAC_L_GAIN, 0x6F },
+ { DA7219_DAC_R_GAIN, 0x6F },
+ { DA7219_CP_CTRL, 0x20 },
+ { DA7219_HP_L_GAIN, 0x39 },
+ { DA7219_HP_R_GAIN, 0x39 },
+ { DA7219_MIXOUT_L_SELECT, 0x00 },
+ { DA7219_MIXOUT_R_SELECT, 0x00 },
+ { DA7219_MICBIAS_CTRL, 0x03 },
+ { DA7219_MIC_1_CTRL, 0x40 },
+ { DA7219_MIXIN_L_CTRL, 0x40 },
+ { DA7219_ADC_L_CTRL, 0x40 },
+ { DA7219_DAC_L_CTRL, 0x40 },
+ { DA7219_DAC_R_CTRL, 0x40 },
+ { DA7219_HP_L_CTRL, 0x40 },
+ { DA7219_HP_R_CTRL, 0x40 },
+ { DA7219_MIXOUT_L_CTRL, 0x10 },
+ { DA7219_MIXOUT_R_CTRL, 0x10 },
+ { DA7219_CHIP_ID1, 0x23 },
+ { DA7219_CHIP_ID2, 0x93 },
+ { DA7219_CHIP_REVISION, 0x00 },
+ { DA7219_LDO_CTRL, 0x00 },
+ { DA7219_IO_CTRL, 0x00 },
+ { DA7219_GAIN_RAMP_CTRL, 0x00 },
+ { DA7219_PC_COUNT, 0x02 },
+ { DA7219_CP_VOL_THRESHOLD1, 0x0E },
+ { DA7219_DIG_CTRL, 0x00 },
+ { DA7219_ALC_CTRL2, 0x00 },
+ { DA7219_ALC_CTRL3, 0x00 },
+ { DA7219_ALC_NOISE, 0x3F },
+ { DA7219_ALC_TARGET_MIN, 0x3F },
+ { DA7219_ALC_TARGET_MAX, 0x00 },
+ { DA7219_ALC_GAIN_LIMITS, 0xFF },
+ { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
+ { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
+ { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
+ { DA7219_DAC_NG_SETUP_TIME, 0x00 },
+ { DA7219_DAC_NG_OFF_THRESH, 0x00 },
+ { DA7219_DAC_NG_ON_THRESH, 0x00 },
+ { DA7219_DAC_NG_CTRL, 0x00 },
+ { DA7219_TONE_GEN_CFG1, 0x00 },
+ { DA7219_TONE_GEN_CFG2, 0x00 },
+ { DA7219_TONE_GEN_CYCLES, 0x00 },
+ { DA7219_TONE_GEN_FREQ1_L, 0x55 },
+ { DA7219_TONE_GEN_FREQ1_U, 0x15 },
+ { DA7219_TONE_GEN_FREQ2_L, 0x00 },
+ { DA7219_TONE_GEN_FREQ2_U, 0x40 },
+ { DA7219_TONE_GEN_ON_PER, 0x02 },
+ { DA7219_TONE_GEN_OFF_PER, 0x01 },
+ { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
+ { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
+ { DA7219_ACCDET_CONFIG_1, 0xD6 },
+ { DA7219_ACCDET_CONFIG_2, 0x34 },
+ { DA7219_ACCDET_CONFIG_3, 0x0A },
+ { DA7219_ACCDET_CONFIG_4, 0x16 },
+ { DA7219_ACCDET_CONFIG_5, 0x21 },
+ { DA7219_ACCDET_CONFIG_6, 0x3E },
+ { DA7219_ACCDET_CONFIG_7, 0x01 },
+ { DA7219_SYSTEM_ACTIVE, 0x00 },
+};
+
+static bool da7219_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA7219_MIC_1_GAIN_STATUS:
+ case DA7219_MIXIN_L_GAIN_STATUS:
+ case DA7219_ADC_L_GAIN_STATUS:
+ case DA7219_DAC_L_GAIN_STATUS:
+ case DA7219_DAC_R_GAIN_STATUS:
+ case DA7219_HP_L_GAIN_STATUS:
+ case DA7219_HP_R_GAIN_STATUS:
+ case DA7219_CIF_CTRL:
+ case DA7219_PLL_SRM_STS:
+ case DA7219_ALC_CTRL1:
+ case DA7219_SYSTEM_MODES_INPUT:
+ case DA7219_SYSTEM_MODES_OUTPUT:
+ case DA7219_ALC_OFFSET_AUTO_M_L:
+ case DA7219_ALC_OFFSET_AUTO_U_L:
+ case DA7219_TONE_GEN_CFG1:
+ case DA7219_ACCDET_STATUS_A:
+ case DA7219_ACCDET_STATUS_B:
+ case DA7219_ACCDET_IRQ_EVENT_A:
+ case DA7219_ACCDET_IRQ_EVENT_B:
+ case DA7219_ACCDET_CONFIG_8:
+ case DA7219_SYSTEM_STATUS:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static const struct regmap_config da7219_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = DA7219_SYSTEM_ACTIVE,
+ .reg_defaults = da7219_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
+ .volatile_reg = da7219_volatile_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+
+/*
+ * I2C layer
+ */
+
+static int da7219_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct da7219_priv *da7219;
+ int ret;
+
+ da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
+ GFP_KERNEL);
+ if (!da7219)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, da7219);
+
+ da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
+ if (IS_ERR(da7219->regmap)) {
+ ret = PTR_ERR(da7219->regmap);
+ dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219,
+ &da7219_dai, 1);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n",
+ ret);
+ }
+ return ret;
+}
+
+static int da7219_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static const struct i2c_device_id da7219_i2c_id[] = {
+ { "da7219", },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
+
+static struct i2c_driver da7219_i2c_driver = {
+ .driver = {
+ .name = "da7219",
+ .of_match_table = da7219_of_match,
+ },
+ .probe = da7219_i2c_probe,
+ .remove = da7219_i2c_remove,
+ .id_table = da7219_i2c_id,
+};
+
+module_i2c_driver(da7219_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
+MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
+MODULE_LICENSE("GPL");