1d2912cb1SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 22c394ca7SJames Schulman /* 32c394ca7SJames Schulman * cs42l42.h -- CS42L42 ALSA SoC audio driver header 42c394ca7SJames Schulman * 57b43e6d7SStefan Binding * Copyright 2016-2022 Cirrus Logic, Inc. 62c394ca7SJames Schulman * 72c394ca7SJames Schulman * Author: James Schulman <james.schulman@cirrus.com> 82c394ca7SJames Schulman * Author: Brian Austin <brian.austin@cirrus.com> 92c394ca7SJames Schulman * Author: Michael White <michael.white@cirrus.com> 102c394ca7SJames Schulman */ 112c394ca7SJames Schulman 122c394ca7SJames Schulman #ifndef __CS42L42_H__ 132c394ca7SJames Schulman #define __CS42L42_H__ 142c394ca7SJames Schulman 15b48d1da0SRichard Fitzgerald #include <dt-bindings/sound/cs42l42.h> 16b48d1da0SRichard Fitzgerald #include <linux/device.h> 17*0ec65e8eSLinus Walleij #include <linux/gpio/consumer.h> 18fdd53528SRichard Fitzgerald #include <linux/mutex.h> 19b48d1da0SRichard Fitzgerald #include <linux/regmap.h> 20b48d1da0SRichard Fitzgerald #include <linux/regulator/consumer.h> 2190f6a2a2SRichard Fitzgerald #include <linux/soundwire/sdw.h> 22c5b8ee08SLucas Tanure #include <sound/jack.h> 237b43e6d7SStefan Binding #include <sound/cs42l42.h> 24ae9f5e60SRichard Fitzgerald #include <sound/soc-component.h> 25ae9f5e60SRichard Fitzgerald #include <sound/soc-dai.h> 262c394ca7SJames Schulman 272c394ca7SJames Schulman struct cs42l42_private { 282c394ca7SJames Schulman struct regmap *regmap; 292003c44eSRichard Fitzgerald struct device *dev; 302c394ca7SJames Schulman struct regulator_bulk_data supplies[CS42L42_NUM_SUPPLIES]; 312c394ca7SJames Schulman struct gpio_desc *reset_gpio; 322c394ca7SJames Schulman struct completion pdn_done; 33c26a5289SLucas Tanure struct snd_soc_jack *jack; 3490f6a2a2SRichard Fitzgerald struct sdw_slave *sdw_peripheral; 355982b5a8SRichard Fitzgerald struct mutex irq_lock; 3694d5f62aSMartin Povišer int devid; 370285042fSRichard Fitzgerald int irq; 38f1040e86SRichard Fitzgerald int pll_config; 392c394ca7SJames Schulman u32 sclk; 4090f6a2a2SRichard Fitzgerald u32 sample_rate; 41ab2940a7SMartin Povišer u32 bclk_ratio; 422c394ca7SJames Schulman u8 plug_state; 432c394ca7SJames Schulman u8 hs_type; 442c394ca7SJames Schulman u8 ts_inv; 452c394ca7SJames Schulman u8 ts_dbnc_rise; 462c394ca7SJames Schulman u8 ts_dbnc_fall; 472c394ca7SJames Schulman u8 btn_det_init_dbnce; 482c394ca7SJames Schulman u8 btn_det_event_dbnce; 492c394ca7SJames Schulman u8 bias_thresholds[CS42L42_NUM_BIASES]; 502c394ca7SJames Schulman u8 hs_bias_ramp_rate; 512c394ca7SJames Schulman u8 hs_bias_ramp_time; 52c9f2e3c3SVitaly Rodionov u8 hs_bias_sense_en; 5343fc3571SLucas Tanure u8 stream_use; 544ae1d8f9SRichard Fitzgerald bool hp_adc_up_pending; 55f8593e88SRichard Fitzgerald bool suspended; 562d066c6aSRichard Fitzgerald bool sdw_waiting_first_unattach; 570285042fSRichard Fitzgerald bool init_done; 582c394ca7SJames Schulman }; 592c394ca7SJames Schulman 6030b679e2SMartin Povišer extern const struct regmap_range_cfg cs42l42_page_range; 61ae9f5e60SRichard Fitzgerald extern const struct regmap_config cs42l42_regmap; 62ae9f5e60SRichard Fitzgerald extern const struct snd_soc_component_driver cs42l42_soc_component; 63ae9f5e60SRichard Fitzgerald extern struct snd_soc_dai_driver cs42l42_dai; 64ae9f5e60SRichard Fitzgerald 6530b679e2SMartin Povišer bool cs42l42_readable_register(struct device *dev, unsigned int reg); 6630b679e2SMartin Povišer bool cs42l42_volatile_register(struct device *dev, unsigned int reg); 6730b679e2SMartin Povišer 680998816aSRichard Fitzgerald int cs42l42_pll_config(struct snd_soc_component *component, 690998816aSRichard Fitzgerald unsigned int clk, unsigned int sample_rate); 700998816aSRichard Fitzgerald void cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate); 710998816aSRichard Fitzgerald int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream); 720998816aSRichard Fitzgerald irqreturn_t cs42l42_irq_thread(int irq, void *data); 73ae9f5e60SRichard Fitzgerald int cs42l42_suspend(struct device *dev); 74ae9f5e60SRichard Fitzgerald int cs42l42_resume(struct device *dev); 75ae9f5e60SRichard Fitzgerald void cs42l42_resume_restore(struct device *dev); 76ae9f5e60SRichard Fitzgerald int cs42l42_common_probe(struct cs42l42_private *cs42l42, 77ae9f5e60SRichard Fitzgerald const struct snd_soc_component_driver *component_drv, 78ae9f5e60SRichard Fitzgerald struct snd_soc_dai_driver *dai); 79ae9f5e60SRichard Fitzgerald int cs42l42_init(struct cs42l42_private *cs42l42); 80ae9f5e60SRichard Fitzgerald void cs42l42_common_remove(struct cs42l42_private *cs42l42); 81ae9f5e60SRichard Fitzgerald 822c394ca7SJames Schulman #endif /* __CS42L42_H__ */ 83