| /* 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/consumer.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__ */ |
