// SPDX-License-Identifier: GPL-2.0 // tscs42xx.c -- TSCS42xx ALSA SoC Audio driver // Copyright 2017 Tempo Semiconductor, Inc. // Author: Steven Eckhoff <[email protected]> #include <linux/kernel.h> #include <linux/device.h> #include <linux/regmap.h> #include <linux/i2c.h> #include <linux/err.h> #include <linux/string.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/mutex.h> #include <linux/clk.h> #include <sound/tlv.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include "tscs42xx.h" #define COEFF_SIZE … #define BIQUAD_COEFF_COUNT … #define BIQUAD_SIZE … #define COEFF_RAM_MAX_ADDR … #define COEFF_RAM_COEFF_COUNT … #define COEFF_RAM_SIZE … struct tscs42xx { … }; struct coeff_ram_ctl { … }; static bool tscs42xx_volatile(struct device *dev, unsigned int reg) { … } static bool tscs42xx_precious(struct device *dev, unsigned int reg) { … } static const struct regmap_config tscs42xx_regmap = …; #define MAX_PLL_LOCK_20MS_WAITS … static bool plls_locked(struct snd_soc_component *component) { … } static int sample_rate_to_pll_freq_out(int sample_rate) { … } #define DACCRSTAT_MAX_TRYS … static int write_coeff_ram(struct snd_soc_component *component, u8 *coeff_ram, unsigned int addr, unsigned int coeff_cnt) { … } static int power_up_audio_plls(struct snd_soc_component *component) { … } static int power_down_audio_plls(struct snd_soc_component *component) { … } static int coeff_ram_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int coeff_ram_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* Input L Capture Route */ static char const * const input_select_text[] = …; static const struct soc_enum left_input_select_enum = …; static const struct snd_kcontrol_new left_input_select = …; /* Input R Capture Route */ static const struct soc_enum right_input_select_enum = …; static const struct snd_kcontrol_new right_input_select = …; /* Input Channel Mapping */ static char const * const ch_map_select_text[] = …; static const struct soc_enum ch_map_select_enum = …; static int dapm_vref_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int dapm_micb_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int pll_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int dac_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_soc_dapm_widget tscs42xx_dapm_widgets[] = …; static const struct snd_soc_dapm_route tscs42xx_intercon[] = …; /************ * CONTROLS * ************/ static char const * const eq_band_enable_text[] = …; static char const * const level_detection_text[] = …; static char const * const level_detection_window_text[] = …; static char const * const compressor_ratio_text[] = …; static DECLARE_TLV_DB_SCALE(hpvol_scale, -8850, 75, 0); static DECLARE_TLV_DB_SCALE(spkvol_scale, -7725, 75, 0); static DECLARE_TLV_DB_SCALE(dacvol_scale, -9563, 38, 0); static DECLARE_TLV_DB_SCALE(adcvol_scale, -7125, 38, 0); static DECLARE_TLV_DB_SCALE(invol_scale, -1725, 75, 0); static DECLARE_TLV_DB_SCALE(mic_boost_scale, 0, 1000, 0); static DECLARE_TLV_DB_MINMAX(mugain_scale, 0, 4650); static DECLARE_TLV_DB_MINMAX(compth_scale, -9562, 0); static const struct soc_enum eq1_band_enable_enum = …; static const struct soc_enum eq2_band_enable_enum = …; static const struct soc_enum cle_level_detection_enum = …; static const struct soc_enum cle_level_detection_window_enum = …; static const struct soc_enum mbc_level_detection_enums[] = …; static const struct soc_enum mbc_level_detection_window_enums[] = …; static const struct soc_enum compressor_ratio_enum = …; static const struct soc_enum dac_mbc1_compressor_ratio_enum = …; static const struct soc_enum dac_mbc2_compressor_ratio_enum = …; static const struct soc_enum dac_mbc3_compressor_ratio_enum = …; static int bytes_info_ext(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *ucontrol) { … } #define COEFF_RAM_CTL(xname, xcount, xaddr) … static const struct snd_kcontrol_new tscs42xx_snd_controls[] = …; static int setup_sample_format(struct snd_soc_component *component, snd_pcm_format_t format) { … } static int setup_sample_rate(struct snd_soc_component *component, unsigned int rate) { … } struct reg_setting { … }; #define PLL_REG_SETTINGS_COUNT … struct pll_ctl { … }; #define PLL_CTL(f, rt, rd, r1b_l, r9, ra, rb, \ rc, r12, r1b_h, re, rf, r10, r11) … static const struct pll_ctl pll_ctls[] = …; static const struct pll_ctl *get_pll_ctl(int input_freq) { … } static int set_pll_ctl_from_input_freq(struct snd_soc_component *component, const int input_freq) { … } static int tscs42xx_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *codec_dai) { … } static inline int dac_mute(struct snd_soc_component *component) { … } static inline int dac_unmute(struct snd_soc_component *component) { … } static inline int adc_mute(struct snd_soc_component *component) { … } static inline int adc_unmute(struct snd_soc_component *component) { … } static int tscs42xx_mute_stream(struct snd_soc_dai *dai, int mute, int stream) { … } static int tscs42xx_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int tscs42xx_set_dai_bclk_ratio(struct snd_soc_dai *codec_dai, unsigned int ratio) { … } static const struct snd_soc_dai_ops tscs42xx_dai_ops = …; static int part_is_valid(struct tscs42xx *tscs42xx) { … } static int set_sysclk(struct snd_soc_component *component) { … } static int tscs42xx_probe(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_codec_dev_tscs42xx = …; static inline void init_coeff_ram_cache(struct tscs42xx *tscs42xx) { … } #define TSCS42XX_RATES … #define TSCS42XX_FORMATS … static struct snd_soc_dai_driver tscs42xx_dai = …; static const struct reg_sequence tscs42xx_patch[] = …; static char const * const src_names[TSCS42XX_PLL_SRC_CNT] = …; static int tscs42xx_i2c_probe(struct i2c_client *i2c) { … } static const struct i2c_device_id tscs42xx_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, tscs42xx_i2c_id); static const struct of_device_id tscs42xx_of_match[] = …; MODULE_DEVICE_TABLE(of, tscs42xx_of_match); static struct i2c_driver tscs42xx_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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