diff options
Diffstat (limited to 'kernel/sound/soc/codecs/da7219.c')
| -rw-r--r-- | kernel/sound/soc/codecs/da7219.c | 1955 |
1 files changed, 1955 insertions, 0 deletions
diff --git a/kernel/sound/soc/codecs/da7219.c b/kernel/sound/soc/codecs/da7219.c new file mode 100644 index 000000000..f238c1e8a --- /dev/null +++ b/kernel/sound/soc/codecs/da7219.c @@ -0,0 +1,1955 @@ +/* + * 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 = true; + } 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); + int ret; + + 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 */ + if (da7219->mclk) { + ret = clk_prepare_enable(da7219->mclk); + if (ret) { + dev_err(codec->dev, + "Failed to enable mclk\n"); + return ret; + } + } + + /* 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 */ + if (da7219->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) { + dev_err(codec->dev, "Failed to get supplies"); + 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); + if (ret) { + dev_err(codec->dev, "Failed to enable supplies"); + return ret; + } + + /* 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 0; +} + +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 = of_match_ptr(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"); |