// SPDX-License-Identifier: GPL-2.0-or-later /* * da7219.c - DA7219 ALSA SoC Codec Driver * * Copyright (c) 2015 Dialog Semiconductor * * Author: Adam Thomson */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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_component *component = snd_soc_kcontrol_component(kcontrol); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); int ret; mutex_lock(&da7219->ctrl_lock); ret = snd_soc_get_volsw(kcontrol, ucontrol); mutex_unlock(&da7219->ctrl_lock); return ret; } static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); int ret; mutex_lock(&da7219->ctrl_lock); ret = snd_soc_put_volsw(kcontrol, ucontrol); mutex_unlock(&da7219->ctrl_lock); return ret; } static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); int ret; mutex_lock(&da7219->ctrl_lock); ret = snd_soc_get_enum_double(kcontrol, ucontrol); mutex_unlock(&da7219->ctrl_lock); return ret; } static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); int ret; mutex_lock(&da7219->ctrl_lock); ret = snd_soc_put_enum_double(kcontrol, ucontrol); mutex_unlock(&da7219->ctrl_lock); return ret; } /* ALC */ static void da7219_alc_calib(struct snd_soc_component *component) { u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl; /* Save current state of mic control register */ mic_ctrl = snd_soc_component_read32(component, DA7219_MIC_1_CTRL); /* Save current state of input mixer control register */ mixin_ctrl = snd_soc_component_read32(component, DA7219_MIXIN_L_CTRL); /* Save current state of input ADC control register */ adc_ctrl = snd_soc_component_read32(component, DA7219_ADC_L_CTRL); /* Enable then Mute MIC PGAs */ snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK, DA7219_MIC_1_AMP_EN_MASK); snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_MUTE_EN_MASK, DA7219_MIC_1_AMP_MUTE_EN_MASK); /* Enable input mixers unmuted */ snd_soc_component_update_bits(component, 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_component_update_bits(component, 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_component_update_bits(component, DA7219_ALC_CTRL1, DA7219_ALC_AUTO_CALIB_EN_MASK, DA7219_ALC_AUTO_CALIB_EN_MASK); do { calib_ctrl = snd_soc_component_read32(component, 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(component->dev, "ALC auto calibration failed with overflow\n"); snd_soc_component_update_bits(component, DA7219_ALC_CTRL1, DA7219_ALC_OFFSET_EN_MASK | DA7219_ALC_SYNC_MODE_MASK, 0); } else { /* Enable DC offset cancellation, hybrid mode */ snd_soc_component_update_bits(component, 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_component_write(component, DA7219_ADC_L_CTRL, adc_ctrl); /* Restore input mixer control registers to original state */ snd_soc_component_write(component, DA7219_MIXIN_L_CTRL, mixin_ctrl); /* Restore MIC control registers to original states */ snd_soc_component_write(component, 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_component *component = snd_soc_kcontrol_component(kcontrol); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 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(component); return ret; } static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); /* Force ALC offset calibration if enabling ALC */ if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) { da7219_alc_calib(component); 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_component *component = snd_soc_kcontrol_component(kcontrol); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mixer_ctrl = (struct soc_mixer_control *) kcontrol->private_value; unsigned int reg = mixer_ctrl->reg; __le16 val; int ret; mutex_lock(&da7219->ctrl_lock); ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val)); mutex_unlock(&da7219->ctrl_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_component *component = snd_soc_kcontrol_component(kcontrol); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mixer_ctrl = (struct soc_mixer_control *) kcontrol->private_value; unsigned int reg = mixer_ctrl->reg; __le16 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->ctrl_lock); ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val)); mutex_unlock(&da7219->ctrl_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_mic_pga_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); switch (event) { case SND_SOC_DAPM_POST_PMU: if (da7219->micbias_on_event) { /* * Delay only for first capture after bias enabled to * avoid possible DC offset related noise. */ da7219->micbias_on_event = false; msleep(da7219->mic_pga_delay); } break; default: break; } return 0; } static int da7219_dai_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX]; u8 pll_ctrl, pll_status; int i = 0, ret; bool srm_lock = false; switch (event) { case SND_SOC_DAPM_PRE_PMU: if (da7219->master) { /* Enable DAI clks for master mode */ if (bclk) { ret = clk_prepare_enable(bclk); if (ret) { dev_err(component->dev, "Failed to enable DAI clks\n"); return ret; } } else { snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, DA7219_DAI_CLK_EN_MASK, DA7219_DAI_CLK_EN_MASK); } } /* PC synchronised to DAI */ snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK, 0); /* Slave mode, if SRM not enabled no need for status checks */ pll_ctrl = snd_soc_component_read32(component, 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_component_read32(component, 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(component->dev, "SRM failed to lock\n"); return 0; case SND_SOC_DAPM_POST_PMD: /* PC free-running */ snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK, DA7219_PC_FREERUN_MASK); /* Disable DAI clks if in master mode */ if (da7219->master) { if (bclk) clk_disable_unprepare(bclk); else snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, DA7219_DAI_CLK_EN_MASK, 0); } return 0; default: return -EINVAL; } } static int da7219_settling_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { switch (event) { case SND_SOC_DAPM_POST_PMU: case SND_SOC_DAPM_POST_PMD: msleep(DA7219_SETTLING_DELAY); break; default: break; } return 0; } static int da7219_mixout_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); u8 hp_ctrl, min_gain_mask; switch (w->reg) { case DA7219_MIXOUT_L_CTRL: hp_ctrl = DA7219_HP_L_CTRL; min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK; break; case DA7219_MIXOUT_R_CTRL: hp_ctrl = DA7219_HP_R_CTRL; min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK; break; default: return -EINVAL; } switch (event) { case SND_SOC_DAPM_PRE_PMD: /* Enable minimum gain on HP to avoid pops */ snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, min_gain_mask); msleep(DA7219_MIN_GAIN_DELAY); break; case SND_SOC_DAPM_POST_PMU: /* Remove minimum gain on HP */ snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 0); break; } return 0; } static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); switch (event) { case SND_SOC_DAPM_PRE_PMU: case SND_SOC_DAPM_PRE_PMD: /* Ensure nominal gain ramping for DAPM sequence */ da7219->gain_ramp_ctrl = snd_soc_component_read32(component, DA7219_GAIN_RAMP_CTRL); snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_NOMINAL); break; case SND_SOC_DAPM_POST_PMU: case SND_SOC_DAPM_POST_PMD: /* Restore previous gain ramp settings */ snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL, da7219->gain_ramp_ctrl); break; } return 0; } /* * 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_E("Mic PGA", DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0, da7219_mic_pga_event, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_PGA_E("Mixin PGA", DA7219_MIXIN_L_CTRL, DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0, da7219_settling_event, SND_SOC_DAPM_POST_PMU), /* 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, DA7219_DAI_TDM_CTRL, DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT), 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_E("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT, da7219_settling_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT, da7219_settling_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), /* Output PGAs */ SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL, DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0, da7219_mixout_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL, DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0, da7219_mixout_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL, DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, da7219_settling_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL, DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, da7219_settling_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), /* Output Supplies */ SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL, DA7219_CP_EN_SHIFT, DA7219_NO_INVERT, da7219_settling_event, SND_SOC_DAPM_POST_PMU), /* Outputs */ SND_SOC_DAPM_OUTPUT("HPL"), SND_SOC_DAPM_OUTPUT("HPR"), /* Pre/Post Power */ SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event), SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event), }; /* * 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"}, {"Mixer In", NULL, "Mixer In Supply"}, {"Mixer In", "Mic Switch", "ADC"}, {"Sidetone Filter", NULL, "Mixer In"}, {"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"}, {"HPL", NULL, "Mixout Left PGA"}, {"HPR", 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_component *component = codec_dai->component; struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); int ret = 0; if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq)) return 0; if ((freq < 2000000) || (freq > 54000000)) { dev_err(codec_dai->dev, "Unsupported MCLK value %d\n", freq); return -EINVAL; } mutex_lock(&da7219->pll_lock); switch (clk_id) { case DA7219_CLKSRC_MCLK_SQR: snd_soc_component_update_bits(component, DA7219_PLL_CTRL, DA7219_PLL_MCLK_SQR_EN_MASK, DA7219_PLL_MCLK_SQR_EN_MASK); break; case DA7219_CLKSRC_MCLK: snd_soc_component_update_bits(component, DA7219_PLL_CTRL, DA7219_PLL_MCLK_SQR_EN_MASK, 0); break; default: dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id); mutex_unlock(&da7219->pll_lock); 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); mutex_unlock(&da7219->pll_lock); return ret; } } da7219->mclk_rate = freq; mutex_unlock(&da7219->pll_lock); return 0; } int da7219_set_pll(struct snd_soc_component *component, int source, unsigned int fout) { struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); u8 pll_ctrl, indiv_bits, indiv; u8 pll_frac_top, pll_frac_bot, pll_integer; u32 freq_ref; u64 frac_div; /* Verify 2MHz - 54MHz MCLK provided, and set input divider */ if (da7219->mclk_rate < 2000000) { dev_err(component->dev, "PLL input clock %d below valid range\n", da7219->mclk_rate); return -EINVAL; } else if (da7219->mclk_rate <= 4500000) { indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ; indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL; } else if (da7219->mclk_rate <= 9000000) { indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ; indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL; } else if (da7219->mclk_rate <= 18000000) { indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ; indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL; } else if (da7219->mclk_rate <= 36000000) { indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ; indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL; } else if (da7219->mclk_rate <= 54000000) { indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ; indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL; } else { dev_err(component->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_component_update_bits(component, 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; default: dev_err(component->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_component_write(component, DA7219_PLL_FRAC_TOP, pll_frac_top); snd_soc_component_write(component, DA7219_PLL_FRAC_BOT, pll_frac_bot); snd_soc_component_write(component, DA7219_PLL_INTEGER, pll_integer); snd_soc_component_update_bits(component, DA7219_PLL_CTRL, DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK, pll_ctrl); 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_component *component = codec_dai->component; struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); int ret; mutex_lock(&da7219->pll_lock); ret = da7219_set_pll(component, source, fout); mutex_unlock(&da7219->pll_lock); return ret; } static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_component *component = codec_dai->component; struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 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_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: case SND_SOC_DAIFMT_LEFT_J: case SND_SOC_DAIFMT_RIGHT_J: 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; } break; case SND_SOC_DAIFMT_DSP_B: switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: dai_clk_mode |= DA7219_DAI_CLK_POL_INV; break; case SND_SOC_DAIFMT_NB_IF: dai_clk_mode |= DA7219_DAI_WCLK_POL_INV | DA7219_DAI_CLK_POL_INV; break; case SND_SOC_DAIFMT_IB_NF: break; case SND_SOC_DAIFMT_IB_IF: dai_clk_mode |= DA7219_DAI_WCLK_POL_INV; break; default: return -EINVAL; } 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; } snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK, dai_clk_mode); snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK, dai_ctrl); return 0; } static int da7219_set_bclks_per_wclk(struct snd_soc_component *component, unsigned long factor) { u8 bclks_per_wclk; switch (factor) { case 32: bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32; break; case 64: bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64; break; case 128: bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128; break; case 256: bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256; break; default: return -EINVAL; } snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, DA7219_DAI_BCLKS_PER_WCLK_MASK, bclks_per_wclk); 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_component *component = dai->component; struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX]; struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX]; unsigned int ch_mask; unsigned long sr, bclk_rate; u8 slot_offset; u16 offset; __le16 dai_offset; u32 frame_size; int ret; /* No channels enabled so disable TDM */ if (!tx_mask) { snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL, DA7219_DAI_TDM_CH_EN_MASK | DA7219_DAI_TDM_MODE_EN_MASK, 0); da7219->tdm_en = false; return 0; } /* Check we have valid slots */ slot_offset = ffs(tx_mask) - 1; ch_mask = (tx_mask >> slot_offset); if (fls(ch_mask) > DA7219_DAI_TDM_MAX_SLOTS) { dev_err(component->dev, "Invalid number of slots, max = %d\n", DA7219_DAI_TDM_MAX_SLOTS); return -EINVAL; } /* * Ensure we have a valid offset into the frame, based on slot width * and slot offset of first slot we're interested in. */ offset = slot_offset * slot_width; if (offset > DA7219_DAI_OFFSET_MAX) { dev_err(component->dev, "Invalid frame offset %d\n", offset); return -EINVAL; } /* * If we're master, calculate & validate frame size based on slot info * provided as we have a limited set of rates available. */ if (da7219->master) { frame_size = slots * slot_width; if (bclk) { sr = clk_get_rate(wclk); bclk_rate = sr * frame_size; ret = clk_set_rate(bclk, bclk_rate); if (ret) { dev_err(component->dev, "Failed to set TDM BCLK rate %lu: %d\n", bclk_rate, ret); return ret; } } else { ret = da7219_set_bclks_per_wclk(component, frame_size); if (ret) { dev_err(component->dev, "Failed to set TDM BCLKs per WCLK %d: %d\n", frame_size, ret); return ret; } } } dai_offset = cpu_to_le16(offset); regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER, &dai_offset, sizeof(dai_offset)); snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL, DA7219_DAI_TDM_CH_EN_MASK | DA7219_DAI_TDM_MODE_EN_MASK, (ch_mask << DA7219_DAI_TDM_CH_EN_SHIFT) | DA7219_DAI_TDM_MODE_EN_MASK); da7219->tdm_en = true; return 0; } static int da7219_set_sr(struct snd_soc_component *component, unsigned long rate) { u8 fs; switch (rate) { 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_component_write(component, DA7219_SR, fs); 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_component *component = dai->component; struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX]; struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX]; u8 dai_ctrl = 0; unsigned int channels; unsigned long sr, bclk_rate; int word_len = params_width(params); int frame_size, ret; switch (word_len) { 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(component->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; sr = params_rate(params); if (da7219->master && wclk) { ret = clk_set_rate(wclk, sr); if (ret) { dev_err(component->dev, "Failed to set WCLK SR %lu: %d\n", sr, ret); return ret; } } else { ret = da7219_set_sr(component, sr); if (ret) { dev_err(component->dev, "Failed to set SR %lu: %d\n", sr, ret); return ret; } } /* * If we're master, then we have a limited set of BCLK rates we * support. For slave mode this isn't the case and the codec can detect * the BCLK rate automatically. */ if (da7219->master && !da7219->tdm_en) { if ((word_len * DA7219_DAI_CH_NUM_MAX) <= 32) frame_size = 32; else frame_size = 64; if (bclk) { bclk_rate = frame_size * sr; /* * Rounding the rate here avoids failure trying to set a * new rate on an already enabled bclk. In that * instance this will just set the same rate as is * currently in use, and so should continue without * problem, as long as the BCLK rate is suitable for the * desired frame size. */ bclk_rate = clk_round_rate(bclk, bclk_rate); if ((bclk_rate / sr) < frame_size) { dev_err(component->dev, "BCLK rate mismatch against frame size"); return -EINVAL; } ret = clk_set_rate(bclk, bclk_rate); if (ret) { dev_err(component->dev, "Failed to set BCLK rate %lu: %d\n", bclk_rate, ret); return ret; } } else { ret = da7219_set_bclks_per_wclk(component, frame_size); if (ret) { dev_err(component->dev, "Failed to set BCLKs per WCLK %d: %d\n", frame_size, ret); return ret; } } } snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_WORD_LENGTH_MASK | DA7219_DAI_CH_NUM_MASK, dai_ctrl); 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) #define DA7219_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ SNDRV_PCM_RATE_96000) 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 = DA7219_RATES, .formats = DA7219_FORMATS, }, .capture = { .stream_name = "Capture", .channels_min = 1, .channels_max = DA7219_DAI_CH_NUM_MAX, .rates = DA7219_RATES, .formats = DA7219_FORMATS, }, .ops = &da7219_dai_ops, .symmetric_rates = 1, .symmetric_channels = 1, .symmetric_samplebits = 1, }; /* * DT/ACPI */ static const struct of_device_id da7219_of_match[] = { { .compatible = "dlg,da7219", }, { } }; MODULE_DEVICE_TABLE(of, da7219_of_match); static const struct acpi_device_id da7219_acpi_match[] = { { .id = "DLGS7219", }, { } }; MODULE_DEVICE_TABLE(acpi, da7219_acpi_match); static enum da7219_micbias_voltage da7219_fw_micbias_lvl(struct device *dev, u32 val) { switch (val) { case 1600: return DA7219_MICBIAS_1_6V; 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(dev, "Invalid micbias level"); return DA7219_MICBIAS_2_2V; } } static enum da7219_mic_amp_in_sel da7219_fw_mic_amp_in_sel(struct device *dev, 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(dev, "Invalid mic input type selection"); return DA7219_MIC_AMP_IN_SEL_DIFF; } } static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_component *component) { struct device *dev = component->dev; struct da7219_pdata *pdata; const char *of_str; u32 of_val32; pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return NULL; pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source"); pdata->dai_clk_names[DA7219_DAI_WCLK_IDX] = "da7219-dai-wclk"; pdata->dai_clk_names[DA7219_DAI_BCLK_IDX] = "da7219-dai-bclk"; if (device_property_read_string_array(dev, "clock-output-names", pdata->dai_clk_names, DA7219_DAI_NUM_CLKS) < 0) dev_warn(dev, "Using default DAI clk names: %s, %s\n", pdata->dai_clk_names[DA7219_DAI_WCLK_IDX], pdata->dai_clk_names[DA7219_DAI_BCLK_IDX]); if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0) pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32); else pdata->micbias_lvl = DA7219_MICBIAS_2_2V; if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str)) pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, 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_component *component, enum snd_soc_bias_level level) { struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); int ret; switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: /* Enable MCLK for transition to ON state */ if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) { if (da7219->mclk) { ret = clk_prepare_enable(da7219->mclk); if (ret) { dev_err(component->dev, "Failed to enable mclk\n"); return ret; } } } break; case SND_SOC_BIAS_STANDBY: if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) /* Master bias */ snd_soc_component_update_bits(component, DA7219_REFERENCES, DA7219_BIAS_EN_MASK, DA7219_BIAS_EN_MASK); if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) { /* Remove MCLK */ if (da7219->mclk) clk_disable_unprepare(da7219->mclk); } break; case SND_SOC_BIAS_OFF: /* Only disable master bias if we're not a wake-up source */ if (!da7219->wakeup_source) snd_soc_component_update_bits(component, DA7219_REFERENCES, DA7219_BIAS_EN_MASK, 0); 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_component *component) { struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 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(component->dev, DA7219_NUM_SUPPLIES, da7219->supplies); if (ret) { dev_err(component->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(component->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(component->dev, "Failed to enable supplies"); return ret; } /* Ensure device in active mode */ snd_soc_component_write(component, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK); /* Update IO voltage level range */ snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl); return 0; } #ifdef CONFIG_COMMON_CLK static int da7219_wclk_prepare(struct clk_hw *hw) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_WCLK_IDX]); struct snd_soc_component *component = da7219->component; if (!da7219->master) return -EINVAL; snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, DA7219_DAI_CLK_EN_MASK, DA7219_DAI_CLK_EN_MASK); return 0; } static void da7219_wclk_unprepare(struct clk_hw *hw) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_WCLK_IDX]); struct snd_soc_component *component = da7219->component; if (!da7219->master) return; snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, DA7219_DAI_CLK_EN_MASK, 0); } static int da7219_wclk_is_prepared(struct clk_hw *hw) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_WCLK_IDX]); struct snd_soc_component *component = da7219->component; u8 clk_reg; if (!da7219->master) return -EINVAL; clk_reg = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE); return !!(clk_reg & DA7219_DAI_CLK_EN_MASK); } static unsigned long da7219_wclk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_WCLK_IDX]); struct snd_soc_component *component = da7219->component; u8 fs = snd_soc_component_read32(component, DA7219_SR); switch (fs & DA7219_SR_MASK) { case DA7219_SR_8000: return 8000; case DA7219_SR_11025: return 11025; case DA7219_SR_12000: return 12000; case DA7219_SR_16000: return 16000; case DA7219_SR_22050: return 22050; case DA7219_SR_24000: return 24000; case DA7219_SR_32000: return 32000; case DA7219_SR_44100: return 44100; case DA7219_SR_48000: return 48000; case DA7219_SR_88200: return 88200; case DA7219_SR_96000: return 96000; default: return 0; } } static long da7219_wclk_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_WCLK_IDX]); if (!da7219->master) return -EINVAL; if (rate < 11025) return 8000; else if (rate < 12000) return 11025; else if (rate < 16000) return 12000; else if (rate < 22050) return 16000; else if (rate < 24000) return 22050; else if (rate < 32000) return 24000; else if (rate < 44100) return 32000; else if (rate < 48000) return 44100; else if (rate < 88200) return 48000; else if (rate < 96000) return 88200; else return 96000; } static int da7219_wclk_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_WCLK_IDX]); struct snd_soc_component *component = da7219->component; if (!da7219->master) return -EINVAL; return da7219_set_sr(component, rate); } static unsigned long da7219_bclk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_BCLK_IDX]); struct snd_soc_component *component = da7219->component; u8 bclks_per_wclk = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE); switch (bclks_per_wclk & DA7219_DAI_BCLKS_PER_WCLK_MASK) { case DA7219_DAI_BCLKS_PER_WCLK_32: return parent_rate * 32; case DA7219_DAI_BCLKS_PER_WCLK_64: return parent_rate * 64; case DA7219_DAI_BCLKS_PER_WCLK_128: return parent_rate * 128; case DA7219_DAI_BCLKS_PER_WCLK_256: return parent_rate * 256; default: return 0; } } static unsigned long da7219_bclk_get_factor(unsigned long rate, unsigned long parent_rate) { unsigned long factor; factor = rate / parent_rate; if (factor < 64) return 32; else if (factor < 128) return 64; else if (factor < 256) return 128; else return 256; } static long da7219_bclk_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_BCLK_IDX]); unsigned long factor; if (!*parent_rate || !da7219->master) return -EINVAL; /* * We don't allow changing the parent rate as some BCLK rates can be * derived from multiple parent WCLK rates (BCLK rates are set as a * multiplier of WCLK in HW). We just do some rounding down based on the * parent WCLK rate set and find the appropriate multiplier of BCLK to * get the rounded down BCLK value. */ factor = da7219_bclk_get_factor(rate, *parent_rate); return *parent_rate * factor; } static int da7219_bclk_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct da7219_priv *da7219 = container_of(hw, struct da7219_priv, dai_clks_hw[DA7219_DAI_BCLK_IDX]); struct snd_soc_component *component = da7219->component; unsigned long factor; if (!da7219->master) return -EINVAL; factor = da7219_bclk_get_factor(rate, parent_rate); return da7219_set_bclks_per_wclk(component, factor); } static const struct clk_ops da7219_dai_clk_ops[DA7219_DAI_NUM_CLKS] = { [DA7219_DAI_WCLK_IDX] = { .prepare = da7219_wclk_prepare, .unprepare = da7219_wclk_unprepare, .is_prepared = da7219_wclk_is_prepared, .recalc_rate = da7219_wclk_recalc_rate, .round_rate = da7219_wclk_round_rate, .set_rate = da7219_wclk_set_rate, }, [DA7219_DAI_BCLK_IDX] = { .recalc_rate = da7219_bclk_recalc_rate, .round_rate = da7219_bclk_round_rate, .set_rate = da7219_bclk_set_rate, }, }; static int da7219_register_dai_clks(struct snd_soc_component *component) { struct device *dev = component->dev; struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); struct da7219_pdata *pdata = da7219->pdata; const char *parent_name; int i, ret; for (i = 0; i < DA7219_DAI_NUM_CLKS; ++i) { struct clk_init_data init = {}; struct clk *dai_clk; struct clk_lookup *dai_clk_lookup; struct clk_hw *dai_clk_hw = &da7219->dai_clks_hw[i]; switch (i) { case DA7219_DAI_WCLK_IDX: /* * If we can, make MCLK the parent of WCLK to ensure * it's enabled as required. */ if (da7219->mclk) { parent_name = __clk_get_name(da7219->mclk); init.parent_names = &parent_name; init.num_parents = 1; } else { init.parent_names = NULL; init.num_parents = 0; } break; case DA7219_DAI_BCLK_IDX: /* Make WCLK the parent of BCLK */ parent_name = __clk_get_name(da7219->dai_clks[DA7219_DAI_WCLK_IDX]); init.parent_names = &parent_name; init.num_parents = 1; break; default: dev_err(dev, "Invalid clock index\n"); ret = -EINVAL; goto err; } init.name = pdata->dai_clk_names[i]; init.ops = &da7219_dai_clk_ops[i]; init.flags = CLK_GET_RATE_NOCACHE | CLK_SET_RATE_GATE; dai_clk_hw->init = &init; dai_clk = devm_clk_register(dev, dai_clk_hw); if (IS_ERR(dai_clk)) { dev_warn(dev, "Failed to register %s: %ld\n", init.name, PTR_ERR(dai_clk)); ret = PTR_ERR(dai_clk); goto err; } da7219->dai_clks[i] = dai_clk; /* If we're using DT, then register as provider accordingly */ if (dev->of_node) { devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, dai_clk_hw); } else { dai_clk_lookup = clkdev_create(dai_clk, init.name, "%s", dev_name(dev)); if (!dai_clk_lookup) { ret = -ENOMEM; goto err; } else { da7219->dai_clks_lookup[i] = dai_clk_lookup; } } } return 0; err: do { if (da7219->dai_clks_lookup[i]) clkdev_drop(da7219->dai_clks_lookup[i]); } while (i-- > 0); return ret; } #else static inline int da7219_register_dai_clks(struct snd_soc_component *component) { return 0; } #endif /* CONFIG_COMMON_CLK */ static void da7219_handle_pdata(struct snd_soc_component *component) { struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); struct da7219_pdata *pdata = da7219->pdata; if (pdata) { u8 micbias_lvl = 0; da7219->wakeup_source = pdata->wakeup_source; /* Mic Bias voltages */ switch (pdata->micbias_lvl) { case DA7219_MICBIAS_1_6V: 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_component_write(component, DA7219_MICBIAS_CTRL, micbias_lvl); /* * Calculate delay required to compensate for DC offset in * Mic PGA, based on Mic Bias voltage. */ da7219->mic_pga_delay = DA7219_MIC_PGA_BASE_DELAY + (pdata->micbias_lvl * DA7219_MIC_PGA_OFFSET_DELAY); /* 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_component_write(component, DA7219_MIC_1_SELECT, pdata->mic_amp_in_sel); break; } } } static struct reg_sequence da7219_rev_aa_patch[] = { { DA7219_REFERENCES, 0x08 }, }; static int da7219_probe(struct snd_soc_component *component) { struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); unsigned int rev; int ret; da7219->component = component; mutex_init(&da7219->ctrl_lock); mutex_init(&da7219->pll_lock); /* Regulator configuration */ ret = da7219_handle_supplies(component); if (ret) return ret; ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev); if (ret) { dev_err(component->dev, "Failed to read chip revision: %d\n", ret); goto err_disable_reg; } switch (rev & DA7219_CHIP_MINOR_MASK) { case 0: ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch, ARRAY_SIZE(da7219_rev_aa_patch)); if (ret) { dev_err(component->dev, "Failed to register AA patch: %d\n", ret); goto err_disable_reg; } break; default: break; } /* Handle DT/ACPI/Platform data */ da7219->pdata = dev_get_platdata(component->dev); if (!da7219->pdata) da7219->pdata = da7219_fw_to_pdata(component); da7219_handle_pdata(component); /* Check if MCLK provided */ da7219->mclk = devm_clk_get(component->dev, "mclk"); if (IS_ERR(da7219->mclk)) { if (PTR_ERR(da7219->mclk) != -ENOENT) { ret = PTR_ERR(da7219->mclk); goto err_disable_reg; } else { da7219->mclk = NULL; } } /* Register CCF DAI clock control */ ret = da7219_register_dai_clks(component); if (ret) return ret; /* Default PC counter to free-running */ snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK, DA7219_PC_FREERUN_MASK); /* Default gain ramping */ snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL, DA7219_MIXIN_L_AMP_RAMP_EN_MASK, DA7219_MIXIN_L_AMP_RAMP_EN_MASK); snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK, DA7219_ADC_L_RAMP_EN_MASK); snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK, DA7219_DAC_L_RAMP_EN_MASK); snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK, DA7219_DAC_R_RAMP_EN_MASK); snd_soc_component_update_bits(component, DA7219_HP_L_CTRL, DA7219_HP_L_AMP_RAMP_EN_MASK, DA7219_HP_L_AMP_RAMP_EN_MASK); snd_soc_component_update_bits(component, DA7219_HP_R_CTRL, DA7219_HP_R_AMP_RAMP_EN_MASK, DA7219_HP_R_AMP_RAMP_EN_MASK); /* Default minimum gain on HP to avoid pops during DAPM sequencing */ snd_soc_component_update_bits(component, DA7219_HP_L_CTRL, DA7219_HP_L_AMP_MIN_GAIN_EN_MASK, DA7219_HP_L_AMP_MIN_GAIN_EN_MASK); snd_soc_component_update_bits(component, DA7219_HP_R_CTRL, DA7219_HP_R_AMP_MIN_GAIN_EN_MASK, DA7219_HP_R_AMP_MIN_GAIN_EN_MASK); /* Default infinite tone gen, start/stop by Kcontrol */ snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK); /* Initialise AAD block */ ret = da7219_aad_init(component); if (ret) goto err_disable_reg; return 0; err_disable_reg: regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies); return ret; } static void da7219_remove(struct snd_soc_component *component) { struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); #ifdef CONFIG_COMMON_CLK int i; #endif da7219_aad_exit(component); #ifdef CONFIG_COMMON_CLK for (i = DA7219_DAI_NUM_CLKS - 1; i >= 0; --i) { if (da7219->dai_clks_lookup[i]) clkdev_drop(da7219->dai_clks_lookup[i]); } #endif /* Supplies */ regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies); } #ifdef CONFIG_PM static int da7219_suspend(struct snd_soc_component *component) { struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); /* Suspend AAD if we're not a wake-up source */ if (!da7219->wakeup_source) da7219_aad_suspend(component); snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF); return 0; } static int da7219_resume(struct snd_soc_component *component) { struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY); /* Resume AAD if previously suspended */ if (!da7219->wakeup_source) da7219_aad_resume(component); return 0; } #else #define da7219_suspend NULL #define da7219_resume NULL #endif static const struct snd_soc_component_driver soc_component_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), .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, .non_legacy_dai_naming = 1, }; /* * 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, 0x08 }, { 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_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 true; default: return false; } } 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; unsigned int system_active, system_status; int i, 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; } regcache_cache_bypass(da7219->regmap, true); /* Disable audio paths if still active from previous start */ regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active); if (system_active) { regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_NOMINAL); regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00); regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01); for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) { regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS, &system_status); if (!system_status) break; msleep(DA7219_SYS_STAT_CHECK_DELAY); } } /* Soft reset component */ regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1, DA7219_ACCDET_EN_MASK, 0); regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL, DA7219_CIF_REG_SOFT_RESET_MASK, DA7219_CIF_REG_SOFT_RESET_MASK); regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK, 0); regcache_cache_bypass(da7219->regmap, false); ret = devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_da7219, &da7219_dai, 1); if (ret < 0) { dev_err(&i2c->dev, "Failed to register da7219 component: %d\n", ret); } return ret; } static int da7219_i2c_remove(struct i2c_client *client) { 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), .acpi_match_table = ACPI_PTR(da7219_acpi_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 "); MODULE_LICENSE("GPL");