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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * cs42l42.h -- CS42L42 ALSA SoC audio driver header4 *5 * Copyright 2016-2022 Cirrus Logic, Inc.6 *7 * Author: James Schulman <james.schulman@cirrus.com>8 * Author: Brian Austin <brian.austin@cirrus.com>9 * Author: Michael White <michael.white@cirrus.com>10 */11 12#ifndef __CS42L42_H__13#define __CS42L42_H__14 15#include <dt-bindings/sound/cs42l42.h>16#include <linux/device.h>17#include <linux/gpio/consumer.h>18#include <linux/mutex.h>19#include <linux/regmap.h>20#include <linux/regulator/consumer.h>21#include <linux/soundwire/sdw.h>22#include <sound/jack.h>23#include <sound/cs42l42.h>24#include <sound/soc-component.h>25#include <sound/soc-dai.h>26 27struct cs42l42_private {28 struct regmap *regmap;29 struct device *dev;30 struct regulator_bulk_data supplies[CS42L42_NUM_SUPPLIES];31 struct gpio_desc *reset_gpio;32 struct completion pdn_done;33 struct snd_soc_jack *jack;34 struct sdw_slave *sdw_peripheral;35 struct mutex irq_lock;36 int devid;37 int irq;38 int pll_config;39 u32 sclk;40 u32 sample_rate;41 u32 bclk_ratio;42 u8 plug_state;43 u8 hs_type;44 u8 ts_inv;45 u8 ts_dbnc_rise;46 u8 ts_dbnc_fall;47 u8 btn_det_init_dbnce;48 u8 btn_det_event_dbnce;49 u8 bias_thresholds[CS42L42_NUM_BIASES];50 u8 hs_bias_ramp_rate;51 u8 hs_bias_ramp_time;52 u8 hs_bias_sense_en;53 u8 stream_use;54 bool hp_adc_up_pending;55 bool suspended;56 bool sdw_waiting_first_unattach;57 bool init_done;58};59 60extern const struct regmap_range_cfg cs42l42_page_range;61extern const struct regmap_config cs42l42_regmap;62extern const struct snd_soc_component_driver cs42l42_soc_component;63extern struct snd_soc_dai_driver cs42l42_dai;64 65bool cs42l42_readable_register(struct device *dev, unsigned int reg);66bool cs42l42_volatile_register(struct device *dev, unsigned int reg);67 68int cs42l42_pll_config(struct snd_soc_component *component,69 unsigned int clk, unsigned int sample_rate);70void cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate);71int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream);72irqreturn_t cs42l42_irq_thread(int irq, void *data);73int cs42l42_suspend(struct device *dev);74int cs42l42_resume(struct device *dev);75void cs42l42_resume_restore(struct device *dev);76int cs42l42_common_probe(struct cs42l42_private *cs42l42,77 const struct snd_soc_component_driver *component_drv,78 struct snd_soc_dai_driver *dai);79int cs42l42_init(struct cs42l42_private *cs42l42);80void cs42l42_common_remove(struct cs42l42_private *cs42l42);81 82#endif /* __CS42L42_H__ */83