| /* | 
 |  * 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/acpi.h> | 
 | #include <linux/clk.h> | 
 | #include <linux/clkdev.h> | 
 | #include <linux/clk-provider.h> | 
 | #include <linux/i2c.h> | 
 | #include <linux/of_device.h> | 
 | #include <linux/property.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_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; | 
 | 	u16 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; | 
 | 	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->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); | 
 | 	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 (da7219->dai_clks) { | 
 | 				ret = clk_prepare_enable(da7219->dai_clks); | 
 | 				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 (da7219->dai_clks) | 
 | 				clk_disable_unprepare(da7219->dai_clks); | 
 | 			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; | 
 | 	} | 
 |  | 
 | 	/* By default 64 BCLKs per WCLK is supported */ | 
 | 	dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64; | 
 |  | 
 | 	snd_soc_component_update_bits(component, 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_component_update_bits(component, 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_component *component = dai->component; | 
 | 	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); | 
 | 	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_component_update_bits(component, DA7219_DAI_TDM_CTRL, | 
 | 				    DA7219_DAI_TDM_CH_EN_MASK | | 
 | 				    DA7219_DAI_TDM_MODE_EN_MASK, 0); | 
 | 		snd_soc_component_update_bits(component, 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(component->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(component->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(component->dev, "Invalid frame size %d\n", frame_size); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	snd_soc_component_update_bits(component, 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_component_update_bits(component, 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_component *component = dai->component; | 
 | 	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(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; | 
 |  | 
 | 	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_component_update_bits(component, DA7219_DAI_CTRL, | 
 | 			    DA7219_DAI_WORD_LENGTH_MASK | | 
 | 			    DA7219_DAI_CH_NUM_MASK, | 
 | 			    dai_ctrl); | 
 | 	snd_soc_component_write(component, 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/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_clks_name = "da7219-dai-clks"; | 
 | 	if (device_property_read_string(dev, "clock-output-names", | 
 | 					&pdata->dai_clks_name)) | 
 | 		dev_warn(dev, "Using default clk name: %s\n", | 
 | 			 pdata->dai_clks_name); | 
 |  | 
 | 	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_dai_clks_prepare(struct clk_hw *hw) | 
 | { | 
 | 	struct da7219_priv *da7219 = | 
 | 		container_of(hw, struct da7219_priv, dai_clks_hw); | 
 | 	struct snd_soc_component *component = da7219->aad->component; | 
 |  | 
 | 	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_dai_clks_unprepare(struct clk_hw *hw) | 
 | { | 
 | 	struct da7219_priv *da7219 = | 
 | 		container_of(hw, struct da7219_priv, dai_clks_hw); | 
 | 	struct snd_soc_component *component = da7219->aad->component; | 
 |  | 
 | 	snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, | 
 | 				      DA7219_DAI_CLK_EN_MASK, 0); | 
 | } | 
 |  | 
 | static int da7219_dai_clks_is_prepared(struct clk_hw *hw) | 
 | { | 
 | 	struct da7219_priv *da7219 = | 
 | 		container_of(hw, struct da7219_priv, dai_clks_hw); | 
 | 	struct snd_soc_component *component = da7219->aad->component; | 
 | 	u8 clk_reg; | 
 |  | 
 | 	clk_reg = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE); | 
 |  | 
 | 	return !!(clk_reg & DA7219_DAI_CLK_EN_MASK); | 
 | } | 
 |  | 
 | static const struct clk_ops da7219_dai_clks_ops = { | 
 | 	.prepare = da7219_dai_clks_prepare, | 
 | 	.unprepare = da7219_dai_clks_unprepare, | 
 | 	.is_prepared = da7219_dai_clks_is_prepared, | 
 | }; | 
 |  | 
 | static void 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; | 
 | 	struct clk_init_data init = {}; | 
 | 	struct clk *dai_clks; | 
 | 	struct clk_lookup *dai_clks_lookup; | 
 |  | 
 | 	init.parent_names = NULL; | 
 | 	init.num_parents = 0; | 
 | 	init.name = pdata->dai_clks_name; | 
 | 	init.ops = &da7219_dai_clks_ops; | 
 | 	da7219->dai_clks_hw.init = &init; | 
 |  | 
 | 	dai_clks = devm_clk_register(dev, &da7219->dai_clks_hw); | 
 | 	if (IS_ERR(dai_clks)) { | 
 | 		dev_warn(dev, "Failed to register DAI clocks: %ld\n", | 
 | 			 PTR_ERR(dai_clks)); | 
 | 		return; | 
 | 	} | 
 | 	da7219->dai_clks = dai_clks; | 
 |  | 
 | 	/* 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, | 
 | 					    &da7219->dai_clks_hw); | 
 | 	} else { | 
 | 		dai_clks_lookup = clkdev_create(dai_clks, pdata->dai_clks_name, | 
 | 						"%s", dev_name(dev)); | 
 | 		if (!dai_clks_lookup) | 
 | 			dev_warn(dev, "Failed to create DAI clkdev"); | 
 | 		else | 
 | 			da7219->dai_clks_lookup = dai_clks_lookup; | 
 | 	} | 
 | } | 
 | #else | 
 | static inline void da7219_register_dai_clks(struct snd_soc_component *component) {} | 
 | #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; | 
 |  | 
 | 		da7219_register_dai_clks(component); | 
 |  | 
 | 		/* 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; | 
 |  | 
 | 	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; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* 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); | 
 |  | 
 | 	da7219_aad_exit(component); | 
 |  | 
 | #ifdef CONFIG_COMMON_CLK | 
 | 	if (da7219->dai_clks_lookup) | 
 | 		clkdev_drop(da7219->dai_clks_lookup); | 
 | #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 <Adam.Thomson.Opensource@diasemi.com>"); | 
 | MODULE_LICENSE("GPL"); |