162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * cs42l42.h -- CS42L42 ALSA SoC audio driver header 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright 2016-2022 Cirrus Logic, Inc. 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Author: James Schulman <james.schulman@cirrus.com> 862306a36Sopenharmony_ci * Author: Brian Austin <brian.austin@cirrus.com> 962306a36Sopenharmony_ci * Author: Michael White <michael.white@cirrus.com> 1062306a36Sopenharmony_ci */ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#ifndef __CS42L42_H__ 1362306a36Sopenharmony_ci#define __CS42L42_H__ 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#include <dt-bindings/sound/cs42l42.h> 1662306a36Sopenharmony_ci#include <linux/device.h> 1762306a36Sopenharmony_ci#include <linux/gpio.h> 1862306a36Sopenharmony_ci#include <linux/mutex.h> 1962306a36Sopenharmony_ci#include <linux/regmap.h> 2062306a36Sopenharmony_ci#include <linux/regulator/consumer.h> 2162306a36Sopenharmony_ci#include <linux/soundwire/sdw.h> 2262306a36Sopenharmony_ci#include <sound/jack.h> 2362306a36Sopenharmony_ci#include <sound/cs42l42.h> 2462306a36Sopenharmony_ci#include <sound/soc-component.h> 2562306a36Sopenharmony_ci#include <sound/soc-dai.h> 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_cistruct cs42l42_private { 2862306a36Sopenharmony_ci struct regmap *regmap; 2962306a36Sopenharmony_ci struct device *dev; 3062306a36Sopenharmony_ci struct regulator_bulk_data supplies[CS42L42_NUM_SUPPLIES]; 3162306a36Sopenharmony_ci struct gpio_desc *reset_gpio; 3262306a36Sopenharmony_ci struct completion pdn_done; 3362306a36Sopenharmony_ci struct snd_soc_jack *jack; 3462306a36Sopenharmony_ci struct sdw_slave *sdw_peripheral; 3562306a36Sopenharmony_ci struct mutex irq_lock; 3662306a36Sopenharmony_ci int devid; 3762306a36Sopenharmony_ci int irq; 3862306a36Sopenharmony_ci int pll_config; 3962306a36Sopenharmony_ci u32 sclk; 4062306a36Sopenharmony_ci u32 sample_rate; 4162306a36Sopenharmony_ci u32 bclk_ratio; 4262306a36Sopenharmony_ci u8 plug_state; 4362306a36Sopenharmony_ci u8 hs_type; 4462306a36Sopenharmony_ci u8 ts_inv; 4562306a36Sopenharmony_ci u8 ts_dbnc_rise; 4662306a36Sopenharmony_ci u8 ts_dbnc_fall; 4762306a36Sopenharmony_ci u8 btn_det_init_dbnce; 4862306a36Sopenharmony_ci u8 btn_det_event_dbnce; 4962306a36Sopenharmony_ci u8 bias_thresholds[CS42L42_NUM_BIASES]; 5062306a36Sopenharmony_ci u8 hs_bias_ramp_rate; 5162306a36Sopenharmony_ci u8 hs_bias_ramp_time; 5262306a36Sopenharmony_ci u8 hs_bias_sense_en; 5362306a36Sopenharmony_ci u8 stream_use; 5462306a36Sopenharmony_ci bool hp_adc_up_pending; 5562306a36Sopenharmony_ci bool suspended; 5662306a36Sopenharmony_ci bool sdw_waiting_first_unattach; 5762306a36Sopenharmony_ci bool init_done; 5862306a36Sopenharmony_ci}; 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_ciextern const struct regmap_range_cfg cs42l42_page_range; 6162306a36Sopenharmony_ciextern const struct regmap_config cs42l42_regmap; 6262306a36Sopenharmony_ciextern const struct snd_soc_component_driver cs42l42_soc_component; 6362306a36Sopenharmony_ciextern struct snd_soc_dai_driver cs42l42_dai; 6462306a36Sopenharmony_ci 6562306a36Sopenharmony_cibool cs42l42_readable_register(struct device *dev, unsigned int reg); 6662306a36Sopenharmony_cibool cs42l42_volatile_register(struct device *dev, unsigned int reg); 6762306a36Sopenharmony_ci 6862306a36Sopenharmony_ciint cs42l42_pll_config(struct snd_soc_component *component, 6962306a36Sopenharmony_ci unsigned int clk, unsigned int sample_rate); 7062306a36Sopenharmony_civoid cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate); 7162306a36Sopenharmony_ciint cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream); 7262306a36Sopenharmony_ciirqreturn_t cs42l42_irq_thread(int irq, void *data); 7362306a36Sopenharmony_ciint cs42l42_suspend(struct device *dev); 7462306a36Sopenharmony_ciint cs42l42_resume(struct device *dev); 7562306a36Sopenharmony_civoid cs42l42_resume_restore(struct device *dev); 7662306a36Sopenharmony_ciint cs42l42_common_probe(struct cs42l42_private *cs42l42, 7762306a36Sopenharmony_ci const struct snd_soc_component_driver *component_drv, 7862306a36Sopenharmony_ci struct snd_soc_dai_driver *dai); 7962306a36Sopenharmony_ciint cs42l42_init(struct cs42l42_private *cs42l42); 8062306a36Sopenharmony_civoid cs42l42_common_remove(struct cs42l42_private *cs42l42); 8162306a36Sopenharmony_ci 8262306a36Sopenharmony_ci#endif /* __CS42L42_H__ */ 83