// SPDX-License-Identifier: GPL-2.0-or-later /* * da7218.c - DA7218 ALSA SoC Codec Driver * * Copyright (c) 2015 Dialog Semiconductor * * Author: Adam Thomson <[email protected]> */ #include <linux/clk.h> #include <linux/i2c.h> #include <linux/of.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/jack.h> #include <sound/initval.h> #include <sound/tlv.h> #include <asm/div64.h> #include <sound/da7218.h> #include "da7218.h" /* * TLVs and Enums */ /* Input TLVs */ static const DECLARE_TLV_DB_SCALE(da7218_mic_gain_tlv, -600, 600, 0); static const DECLARE_TLV_DB_SCALE(da7218_mixin_gain_tlv, -450, 150, 0); static const DECLARE_TLV_DB_SCALE(da7218_in_dig_gain_tlv, -8325, 75, 0); static const DECLARE_TLV_DB_SCALE(da7218_ags_trigger_tlv, -9000, 600, 0); static const DECLARE_TLV_DB_SCALE(da7218_ags_att_max_tlv, 0, 600, 0); static const DECLARE_TLV_DB_SCALE(da7218_alc_threshold_tlv, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(da7218_alc_gain_tlv, 0, 600, 0); static const DECLARE_TLV_DB_SCALE(da7218_alc_ana_gain_tlv, 0, 600, 0); /* Input/Output TLVs */ static const DECLARE_TLV_DB_SCALE(da7218_dmix_gain_tlv, -4200, 150, 0); /* Output TLVs */ static const DECLARE_TLV_DB_SCALE(da7218_dgs_trigger_tlv, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(da7218_dgs_anticlip_tlv, -4200, 600, 0); static const DECLARE_TLV_DB_SCALE(da7218_dgs_signal_tlv, -9000, 600, 0); static const DECLARE_TLV_DB_SCALE(da7218_out_eq_band_tlv, -1050, 150, 0); static const DECLARE_TLV_DB_SCALE(da7218_out_dig_gain_tlv, -8325, 75, 0); static const DECLARE_TLV_DB_SCALE(da7218_dac_ng_threshold_tlv, -10200, 600, 0); static const DECLARE_TLV_DB_SCALE(da7218_mixout_gain_tlv, -100, 50, 0); static const DECLARE_TLV_DB_SCALE(da7218_hp_gain_tlv, -5700, 150, 0); /* Input Enums */ static const char * const da7218_alc_attack_rate_txt[] = …; static const struct soc_enum da7218_alc_attack_rate = …; static const char * const da7218_alc_release_rate_txt[] = …; static const struct soc_enum da7218_alc_release_rate = …; static const char * const da7218_alc_hold_time_txt[] = …; static const struct soc_enum da7218_alc_hold_time = …; static const char * const da7218_alc_anticlip_step_txt[] = …; static const struct soc_enum da7218_alc_anticlip_step = …; static const char * const da7218_integ_rate_txt[] = …; static const struct soc_enum da7218_integ_attack_rate = …; static const struct soc_enum da7218_integ_release_rate = …; /* Input/Output Enums */ static const char * const da7218_gain_ramp_rate_txt[] = …; static const struct soc_enum da7218_gain_ramp_rate = …; static const char * const da7218_hpf_mode_txt[] = …; static const unsigned int da7218_hpf_mode_val[] = …; static const struct soc_enum da7218_in1_hpf_mode = …; static const struct soc_enum da7218_in2_hpf_mode = …; static const struct soc_enum da7218_out1_hpf_mode = …; static const char * const da7218_audio_hpf_corner_txt[] = …; static const struct soc_enum da7218_in1_audio_hpf_corner = …; static const struct soc_enum da7218_in2_audio_hpf_corner = …; static const struct soc_enum da7218_out1_audio_hpf_corner = …; static const char * const da7218_voice_hpf_corner_txt[] = …; static const struct soc_enum da7218_in1_voice_hpf_corner = …; static const struct soc_enum da7218_in2_voice_hpf_corner = …; static const struct soc_enum da7218_out1_voice_hpf_corner = …; static const char * const da7218_tonegen_dtmf_key_txt[] = …; static const struct soc_enum da7218_tonegen_dtmf_key = …; static const char * const da7218_tonegen_swg_sel_txt[] = …; static const struct soc_enum da7218_tonegen_swg_sel = …; /* Output Enums */ static const char * const da7218_dgs_rise_coeff_txt[] = …; static const struct soc_enum da7218_dgs_rise_coeff = …; static const char * const da7218_dgs_fall_coeff_txt[] = …; static const struct soc_enum da7218_dgs_fall_coeff = …; static const char * const da7218_dac_ng_setup_time_txt[] = …; static const struct soc_enum da7218_dac_ng_setup_time = …; static const char * const da7218_dac_ng_rampup_txt[] = …; static const struct soc_enum da7218_dac_ng_rampup_rate = …; static const char * const da7218_dac_ng_rampdown_txt[] = …; static const struct soc_enum da7218_dac_ng_rampdown_rate = …; static const char * const da7218_cp_mchange_txt[] = …; static const unsigned int da7218_cp_mchange_val[] = …; static const struct soc_enum da7218_cp_mchange = …; static const char * const da7218_cp_fcontrol_txt[] = …; static const struct soc_enum da7218_cp_fcontrol = …; static const char * const da7218_cp_tau_delay_txt[] = …; static const struct soc_enum da7218_cp_tau_delay = …; /* * Control Functions */ /* ALC */ static void da7218_alc_calib(struct snd_soc_component *component) { … } static int da7218_mixin_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int da7218_alc_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* ToneGen */ static int da7218_tonegen_freq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int da7218_tonegen_freq_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int da7218_mic_lvl_det_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int da7218_mic_lvl_det_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int da7218_biquad_coeff_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int da7218_biquad_coeff_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* * KControls */ static const struct snd_kcontrol_new da7218_snd_controls[] = …; /* * DAPM Mux Controls */ static const char * const da7218_mic_sel_text[] = …; static const struct soc_enum da7218_mic1_sel = …; static const struct snd_kcontrol_new da7218_mic1_sel_mux = …; static const struct soc_enum da7218_mic2_sel = …; static const struct snd_kcontrol_new da7218_mic2_sel_mux = …; static const char * const da7218_sidetone_in_sel_txt[] = …; static const struct soc_enum da7218_sidetone_in_sel = …; static const struct snd_kcontrol_new da7218_sidetone_in_sel_mux = …; static const char * const da7218_out_filt_biq_sel_txt[] = …; static const struct soc_enum da7218_out_filtl_biq_sel = …; static const struct snd_kcontrol_new da7218_out_filtl_biq_sel_mux = …; static const struct soc_enum da7218_out_filtr_biq_sel = …; static const struct snd_kcontrol_new da7218_out_filtr_biq_sel_mux = …; /* * DAPM Mixer Controls */ #define DA7218_DMIX_CTRLS(reg) … static const struct snd_kcontrol_new da7218_out_dai1l_mix_controls[] = …; static const struct snd_kcontrol_new da7218_out_dai1r_mix_controls[] = …; static const struct snd_kcontrol_new da7218_out_dai2l_mix_controls[] = …; static const struct snd_kcontrol_new da7218_out_dai2r_mix_controls[] = …; static const struct snd_kcontrol_new da7218_out_filtl_mix_controls[] = …; static const struct snd_kcontrol_new da7218_out_filtr_mix_controls[] = …; #define DA7218_DMIX_ST_CTRLS(reg) … \ static const struct snd_kcontrol_new da7218_st_out_filtl_mix_controls[] = …; static const struct snd_kcontrol_new da7218_st_out_filtr_mix_controls[] = …; /* * DAPM Events */ /* * We keep track of which input filters are enabled. This is used in the logic * for controlling the mic level detect feature. */ static int da7218_in_filter_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int da7218_dai_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int da7218_cp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int da7218_hp_pga_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } /* * DAPM Widgets */ static const struct snd_soc_dapm_widget da7218_dapm_widgets[] = …; /* * DAPM Mixer Routes */ #define DA7218_DMIX_ROUTES(name) … #define DA7218_DMIX_ST_ROUTES(name) … /* * DAPM audio route definition */ static const struct snd_soc_dapm_route da7218_audio_map[] = …; /* * DAI operations */ static int da7218_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { … } static int da7218_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, int source, unsigned int fref, unsigned int fout) { … } static int da7218_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int da7218_set_dai_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { … } static int da7218_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static const struct snd_soc_dai_ops da7218_dai_ops = …; #define DA7218_FORMATS … static struct snd_soc_dai_driver da7218_dai = …; /* * HP Detect */ int da7218_hpldet(struct snd_soc_component *component, struct snd_soc_jack *jack) { … } EXPORT_SYMBOL_GPL(…); static void da7218_micldet_irq(struct snd_soc_component *component) { … } static void da7218_hpldet_irq(struct snd_soc_component *component) { … } /* * IRQ */ static irqreturn_t da7218_irq_thread(int irq, void *data) { … } /* * DT */ static const struct of_device_id da7218_of_match[] = …; MODULE_DEVICE_TABLE(of, da7218_of_match); static enum da7218_micbias_voltage da7218_of_micbias_lvl(struct snd_soc_component *component, u32 val) { … } static enum da7218_mic_amp_in_sel da7218_of_mic_amp_in_sel(struct snd_soc_component *component, const char *str) { … } static enum da7218_dmic_data_sel da7218_of_dmic_data_sel(struct snd_soc_component *component, const char *str) { … } static enum da7218_dmic_samplephase da7218_of_dmic_samplephase(struct snd_soc_component *component, const char *str) { … } static enum da7218_dmic_clk_rate da7218_of_dmic_clkrate(struct snd_soc_component *component, u32 val) { … } static enum da7218_hpldet_jack_rate da7218_of_jack_rate(struct snd_soc_component *component, u32 val) { … } static enum da7218_hpldet_jack_debounce da7218_of_jack_debounce(struct snd_soc_component *component, u32 val) { … } static enum da7218_hpldet_jack_thr da7218_of_jack_thr(struct snd_soc_component *component, u32 val) { … } static struct da7218_pdata *da7218_of_to_pdata(struct snd_soc_component *component) { … } /* * Codec driver functions */ static int da7218_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static const char *da7218_supply_names[DA7218_NUM_SUPPLIES] = …; static int da7218_handle_supplies(struct snd_soc_component *component) { … } static void da7218_handle_pdata(struct snd_soc_component *component) { … } static int da7218_probe(struct snd_soc_component *component) { … } static void da7218_remove(struct snd_soc_component *component) { … } #ifdef CONFIG_PM static int da7218_suspend(struct snd_soc_component *component) { … } static int da7218_resume(struct snd_soc_component *component) { … } #else #define da7218_suspend … #define da7218_resume … #endif static const struct snd_soc_component_driver soc_component_dev_da7218 = …; /* * Regmap configs */ static struct reg_default da7218_reg_defaults[] = …; static bool da7218_volatile_register(struct device *dev, unsigned int reg) { … } static const struct regmap_config da7218_regmap_config = …; /* * I2C layer */ static int da7218_i2c_probe(struct i2c_client *i2c) { … } static const struct i2c_device_id da7218_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, da7218_i2c_id); static struct i2c_driver da7218_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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