// SPDX-License-Identifier: GPL-2.0 // // ALSA SoC CX20721/CX20723 codec driver // // Copyright: (C) 2017 Conexant Systems, Inc. // Author: Simon Ho, <[email protected]> // // TODO: add support for TDM mode. // #include <linux/acpi.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio.h> #include <linux/init.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/initval.h> #include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include "cx2072x.h" #define PLL_OUT_HZ_48 … #define BITS_PER_SLOT … /* codec private data */ struct cx2072x_priv { … }; /* * DAC/ADC Volume * * max : 74 : 0 dB * ( in 1 dB step ) * min : 0 : -74 dB */ static const DECLARE_TLV_DB_SCALE(adc_tlv, -7400, 100, 0); static const DECLARE_TLV_DB_SCALE(dac_tlv, -7400, 100, 0); static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 1200, 0); static const DECLARE_TLV_DB_RANGE(hpf_tlv, 0, 0, TLV_DB_SCALE_ITEM(120, 0, 0), 1, 63, TLV_DB_SCALE_ITEM(30, 30, 0) ); /* Lookup table for PRE_DIV */ static const struct { … } mclk_pre_div[] = …; /* * cx2072x register cache. */ static const struct reg_default cx2072x_reg_defaults[] = …; /* * register initialization */ static const struct reg_sequence cx2072x_reg_init[] = …; static unsigned int cx2072x_register_size(unsigned int reg) { … } static bool cx2072x_readable_register(struct device *dev, unsigned int reg) { … } static bool cx2072x_volatile_register(struct device *dev, unsigned int reg) { … } static int cx2072x_reg_raw_write(struct i2c_client *client, unsigned int reg, const void *val, size_t val_count) { … } static int cx2072x_reg_write(void *context, unsigned int reg, unsigned int value) { … } static int cx2072x_reg_read(void *context, unsigned int reg, unsigned int *value) { … } /* get suggested pre_div valuce from mclk frequency */ static unsigned int get_div_from_mclk(unsigned int mclk) { … } static int cx2072x_config_pll(struct cx2072x_priv *cx2072x) { … } static int cx2072x_config_i2spcm(struct cx2072x_priv *cx2072x) { … } static int afg_power_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_kcontrol_new cx2072x_snd_controls[] = …; static int cx2072x_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int cx2072x_set_dai_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) { … } static int cx2072x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int cx2072x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static const struct snd_kcontrol_new portaouten_ctl = …; static const struct snd_kcontrol_new porteouten_ctl = …; static const struct snd_kcontrol_new portgouten_ctl = …; static const struct snd_kcontrol_new portmouten_ctl = …; static const struct snd_kcontrol_new portbinen_ctl = …; static const struct snd_kcontrol_new portcinen_ctl = …; static const struct snd_kcontrol_new portdinen_ctl = …; static const struct snd_kcontrol_new porteinen_ctl = …; static const struct snd_kcontrol_new i2sadc1l_ctl = …; static const struct snd_kcontrol_new i2sadc1r_ctl = …; static const struct snd_kcontrol_new i2sadc2l_ctl = …; static const struct snd_kcontrol_new i2sadc2r_ctl = …; static const struct snd_kcontrol_new i2sdac1l_ctl = …; static const struct snd_kcontrol_new i2sdac1r_ctl = …; static const struct snd_kcontrol_new i2sdac2l_ctl = …; static const struct snd_kcontrol_new i2sdac2r_ctl = …; static const char * const dac_enum_text[] = …; static const struct soc_enum porta_dac_enum = …; static const struct snd_kcontrol_new porta_mux = …; static const struct soc_enum portg_dac_enum = …; static const struct snd_kcontrol_new portg_mux = …; static const struct soc_enum porte_dac_enum = …; static const struct snd_kcontrol_new porte_mux = …; static const struct soc_enum portm_dac_enum = …; static const struct snd_kcontrol_new portm_mux = …; static const char * const adc1in_sel_text[] = …; static const struct soc_enum adc1in_sel_enum = …; static const struct snd_kcontrol_new adc1_mux = …; static const char * const adc2in_sel_text[] = …; static const struct soc_enum adc2in_sel_enum = …; static const struct snd_kcontrol_new adc2_mux = …; static const struct snd_kcontrol_new wid15_mix[] = …; #define CX2072X_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, wmask, won_val, \ woff_val, wevent, wflags) … #define CX2072X_DAPM_SWITCH(wname, wreg, wshift, wmask, won_val, woff_val, \ wevent, wflags) … #define CX2072X_DAPM_SWITCH(wname, wreg, wshift, wmask, won_val, woff_val, \ wevent, wflags) … #define CX2072X_DAPM_REG_E(wid, wname, wreg, wshift, wmask, won_val, woff_val, \ wevent, wflags) … static const struct snd_soc_dapm_widget cx2072x_dapm_widgets[] = …; static const struct snd_soc_dapm_route cx2072x_intercon[] = …; static int cx2072x_set_bias_level(struct snd_soc_component *codec, enum snd_soc_bias_level level) { … } /* * FIXME: the whole jack detection code below is pretty platform-specific; * it has lots of implicit assumptions about the pins, etc. * However, since we have no other code and reference, take this hard-coded * setup for now. Once when we have different platform implementations, * this needs to be rewritten in a more generic form, or moving into the * platform data. */ static void cx2072x_enable_jack_detect(struct snd_soc_component *codec) { … } static void cx2072x_disable_jack_detect(struct snd_soc_component *codec) { … } static int cx2072x_jack_status_check(void *data) { … } static const struct snd_soc_jack_gpio cx2072x_jack_gpio = …; static int cx2072x_set_jack(struct snd_soc_component *codec, struct snd_soc_jack *jack, void *data) { … } static int cx2072x_probe(struct snd_soc_component *codec) { … } static const struct snd_soc_component_driver soc_codec_driver_cx2072x = …; /* * DAI ops */ static const struct snd_soc_dai_ops cx2072x_dai_ops = …; static int cx2072x_dsp_dai_probe(struct snd_soc_dai *dai) { … } static const struct snd_soc_dai_ops cx2072x_dai_ops2 = …; #define CX2072X_FORMATS … static struct snd_soc_dai_driver soc_codec_cx2072x_dai[] = …; static const struct regmap_config cx2072x_regmap = …; static int __maybe_unused cx2072x_runtime_suspend(struct device *dev) { … } static int __maybe_unused cx2072x_runtime_resume(struct device *dev) { … } static int cx2072x_i2c_probe(struct i2c_client *i2c) { … } static void cx2072x_i2c_remove(struct i2c_client *i2c) { … } static const struct i2c_device_id cx2072x_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, cx2072x_i2c_id); #ifdef CONFIG_ACPI static struct acpi_device_id cx2072x_acpi_match[] = …; MODULE_DEVICE_TABLE(acpi, cx2072x_acpi_match); #endif static const struct dev_pm_ops cx2072x_runtime_pm = …; static struct i2c_driver cx2072x_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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