// SPDX-License-Identifier: GPL-2.0-only /* * cs42l42.c -- CS42L42 ALSA SoC audio driver * * Copyright 2016 Cirrus Logic, Inc. * * Author: James Schulman <[email protected]> * Author: Brian Austin <[email protected]> * Author: Michael White <[email protected]> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/version.h> #include <linux/types.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/regmap.h> #include <linux/slab.h> #include <linux/acpi.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/gpio/consumer.h> #include <sound/core.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 <dt-bindings/sound/cs42l42.h> #include "cs42l42.h" #include "cirrus_legacy.h" static const char * const cs42l42_supply_names[] = …; static const struct reg_default cs42l42_reg_defaults[] = …; bool cs42l42_readable_register(struct device *dev, unsigned int reg) { … } EXPORT_SYMBOL_NS_GPL(…); bool cs42l42_volatile_register(struct device *dev, unsigned int reg) { … } EXPORT_SYMBOL_NS_GPL(…); const struct regmap_range_cfg cs42l42_page_range = …; EXPORT_SYMBOL_NS_GPL(…); const struct regmap_config cs42l42_regmap = …; EXPORT_SYMBOL_NS_GPL(…); static DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 100, true); static DECLARE_TLV_DB_SCALE(mixer_tlv, -6300, 100, true); static int cs42l42_slow_start_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const char * const cs42l42_hpf_freq_text[] = …; static SOC_ENUM_SINGLE_DECL(cs42l42_hpf_freq_enum, CS42L42_ADC_WNF_HPF_CTL, CS42L42_ADC_HPF_CF_SHIFT, cs42l42_hpf_freq_text); static const char * const cs42l42_wnf3_freq_text[] = …; static SOC_ENUM_SINGLE_DECL(cs42l42_wnf3_freq_enum, CS42L42_ADC_WNF_HPF_CTL, CS42L42_ADC_WNF_CF_SHIFT, cs42l42_wnf3_freq_text); static const struct snd_kcontrol_new cs42l42_snd_controls[] = …; static int cs42l42_hp_adc_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_soc_dapm_widget cs42l42_dapm_widgets[] = …; static const struct snd_soc_dapm_route cs42l42_audio_map[] = …; static int cs42l42_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jk, void *d) { … } const struct snd_soc_component_driver cs42l42_soc_component = …; EXPORT_SYMBOL_NS_GPL(…); /* Switch to SCLK. Atomic delay after the write to allow the switch to complete. */ static const struct reg_sequence cs42l42_to_sclk_seq[] = …; /* Switch to OSC. Atomic delay after the write to allow the switch to complete. */ static const struct reg_sequence cs42l42_to_osc_seq[] = …; struct cs42l42_pll_params { … }; /* * Common PLL Settings for given SCLK * Table 4-5 from the Datasheet */ static const struct cs42l42_pll_params pll_ratio_table[] = …; int cs42l42_pll_config(struct snd_soc_component *component, unsigned int clk, unsigned int sample_rate) { … } EXPORT_SYMBOL_NS_GPL(…); void cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate) { … } EXPORT_SYMBOL_NS_GPL(…); static int cs42l42_asp_config(struct snd_soc_component *component, unsigned int sclk, unsigned int sample_rate) { … } static int cs42l42_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int cs42l42_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int cs42l42_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int cs42l42_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int cs42l42_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int bclk_ratio) { … } int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream) { … } EXPORT_SYMBOL_NS_GPL(…); #define CS42L42_FORMATS … static const struct snd_soc_dai_ops cs42l42_ops = …; struct snd_soc_dai_driver cs42l42_dai = …; EXPORT_SYMBOL_NS_GPL(…); static void cs42l42_manual_hs_type_detect(struct cs42l42_private *cs42l42) { … } static void cs42l42_process_hs_type_detect(struct cs42l42_private *cs42l42) { … } static void cs42l42_init_hs_type_detect(struct cs42l42_private *cs42l42) { … } static void cs42l42_cancel_hs_type_detect(struct cs42l42_private *cs42l42) { … } static int cs42l42_handle_button_press(struct cs42l42_private *cs42l42) { … } struct cs42l42_irq_params { … }; static const struct cs42l42_irq_params irq_params_table[] = …; irqreturn_t cs42l42_irq_thread(int irq, void *data) { … } EXPORT_SYMBOL_NS_GPL(…); static void cs42l42_set_interrupt_masks(struct cs42l42_private *cs42l42) { … } static void cs42l42_setup_hs_type_detect(struct cs42l42_private *cs42l42) { … } static const unsigned int threshold_defaults[] = …; static int cs42l42_handle_device_data(struct device *dev, struct cs42l42_private *cs42l42) { … } /* Datasheet suspend sequence */ static const struct reg_sequence __maybe_unused cs42l42_shutdown_seq[] = …; int cs42l42_suspend(struct device *dev) { … } EXPORT_SYMBOL_NS_GPL(…); int cs42l42_resume(struct device *dev) { … } EXPORT_SYMBOL_NS_GPL(…); void cs42l42_resume_restore(struct device *dev) { … } EXPORT_SYMBOL_NS_GPL(…); static int __maybe_unused cs42l42_i2c_resume(struct device *dev) { … } int cs42l42_common_probe(struct cs42l42_private *cs42l42, const struct snd_soc_component_driver *component_drv, struct snd_soc_dai_driver *dai) { … } EXPORT_SYMBOL_NS_GPL(…); int cs42l42_init(struct cs42l42_private *cs42l42) { … } EXPORT_SYMBOL_NS_GPL(…); void cs42l42_common_remove(struct cs42l42_private *cs42l42) { … } EXPORT_SYMBOL_NS_GPL(…); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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