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Diffstat (limited to 'sound/soc/codecs/cs42l42.h')
| -rw-r--r-- | sound/soc/codecs/cs42l42.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h new file mode 100644 index 000000000..7785125b7 --- /dev/null +++ b/sound/soc/codecs/cs42l42.h @@ -0,0 +1,82 @@ +/* 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__ */ |