/* SPDX-License-Identifier: GPL-2.0-only */ /* * cs42l42.h -- CS42L42 ALSA SoC audio driver header * * Copyright 2016-2022 Cirrus Logic, Inc. * * Author: James Schulman <james.schulman@cirrus.com> * Author: Brian Austin <brian.austin@cirrus.com> * Author: Michael White <michael.white@cirrus.com> */ #ifndef __CS42L42_H__ #define __CS42L42_H__ #include <dt-bindings/sound/cs42l42.h> #include <linux/device.h> #include <linux/gpio.h> #include <linux/mutex.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/soundwire/sdw.h> #include <sound/jack.h> #include <sound/cs42l42.h> #include <sound/soc-component.h> #include <sound/soc-dai.h> struct cs42l42_private { struct regmap *regmap; struct device *dev; struct regulator_bulk_data supplies[CS42L42_NUM_SUPPLIES]; struct gpio_desc *reset_gpio; struct completion pdn_done; struct snd_soc_jack *jack; struct sdw_slave *sdw_peripheral; struct mutex irq_lock; int devid; int irq; int pll_config; u32 sclk; u32 sample_rate; u32 bclk_ratio; u8 plug_state; u8 hs_type; u8 ts_inv; u8 ts_dbnc_rise; u8 ts_dbnc_fall; u8 btn_det_init_dbnce; u8 btn_det_event_dbnce; u8 bias_thresholds[CS42L42_NUM_BIASES]; u8 hs_bias_ramp_rate; u8 hs_bias_ramp_time; u8 hs_bias_sense_en; u8 stream_use; bool hp_adc_up_pending; bool suspended; bool sdw_waiting_first_unattach; bool init_done; }; extern const struct regmap_range_cfg cs42l42_page_range; extern const struct regmap_config cs42l42_regmap; extern const struct snd_soc_component_driver cs42l42_soc_component; extern struct snd_soc_dai_driver cs42l42_dai; bool cs42l42_readable_register(struct device *dev, unsigned int reg); bool cs42l42_volatile_register(struct device *dev, unsigned int reg); int cs42l42_pll_config(struct snd_soc_component *component, unsigned int clk, unsigned int sample_rate); void cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate); int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream); irqreturn_t cs42l42_irq_thread(int irq, void *data); int cs42l42_suspend(struct device *dev); int cs42l42_resume(struct device *dev); void cs42l42_resume_restore(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); int cs42l42_init(struct cs42l42_private *cs42l42); void cs42l42_common_remove(struct cs42l42_private *cs42l42); #endif /* __CS42L42_H__ */