83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* cs42l42.h -- CS42L42 ALSA SoC audio driver header
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*
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* Copyright 2016-2022 Cirrus Logic, Inc.
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*
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* Author: James Schulman <james.schulman@cirrus.com>
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* Author: Brian Austin <brian.austin@cirrus.com>
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* Author: Michael White <michael.white@cirrus.com>
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*/
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#ifndef __CS42L42_H__
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#define __CS42L42_H__
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#include <dt-bindings/sound/cs42l42.h>
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#include <linux/device.h>
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#include <linux/gpio/consumer.h>
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#include <linux/mutex.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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#include <linux/soundwire/sdw.h>
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#include <sound/jack.h>
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#include <sound/cs42l42.h>
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#include <sound/soc-component.h>
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#include <sound/soc-dai.h>
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struct cs42l42_private {
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struct regmap *regmap;
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struct device *dev;
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struct regulator_bulk_data supplies[CS42L42_NUM_SUPPLIES];
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struct gpio_desc *reset_gpio;
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struct completion pdn_done;
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struct snd_soc_jack *jack;
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struct sdw_slave *sdw_peripheral;
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struct mutex irq_lock;
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int devid;
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int irq;
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int pll_config;
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u32 sclk;
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u32 sample_rate;
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u32 bclk_ratio;
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u8 plug_state;
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u8 hs_type;
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u8 ts_inv;
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u8 ts_dbnc_rise;
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u8 ts_dbnc_fall;
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u8 btn_det_init_dbnce;
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u8 btn_det_event_dbnce;
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u8 bias_thresholds[CS42L42_NUM_BIASES];
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u8 hs_bias_ramp_rate;
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u8 hs_bias_ramp_time;
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u8 hs_bias_sense_en;
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u8 stream_use;
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bool hp_adc_up_pending;
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bool suspended;
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bool sdw_waiting_first_unattach;
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bool init_done;
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};
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extern const struct regmap_range_cfg cs42l42_page_range;
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extern const struct regmap_config cs42l42_regmap;
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extern const struct snd_soc_component_driver cs42l42_soc_component;
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extern struct snd_soc_dai_driver cs42l42_dai;
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bool cs42l42_readable_register(struct device *dev, unsigned int reg);
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bool cs42l42_volatile_register(struct device *dev, unsigned int reg);
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int cs42l42_pll_config(struct snd_soc_component *component,
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unsigned int clk, unsigned int sample_rate);
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void cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate);
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int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream);
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irqreturn_t cs42l42_irq_thread(int irq, void *data);
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int cs42l42_suspend(struct device *dev);
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int cs42l42_resume(struct device *dev);
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void cs42l42_resume_restore(struct device *dev);
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int cs42l42_common_probe(struct cs42l42_private *cs42l42,
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const struct snd_soc_component_driver *component_drv,
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struct snd_soc_dai_driver *dai);
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int cs42l42_init(struct cs42l42_private *cs42l42);
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void cs42l42_common_remove(struct cs42l42_private *cs42l42);
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#endif /* __CS42L42_H__ */
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