// SPDX-License-Identifier: GPL-2.0-or-later /* * extcon-arizona.c - Extcon driver Wolfson Arizona devices * * Copyright (C) 2012-2014 Wolfson Microelectronics plc */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/err.h> #include <linux/gpio/consumer.h> #include <linux/gpio.h> #include <linux/input.h> #include <linux/pm_runtime.h> #include <linux/property.h> #include <linux/regulator/consumer.h> #include <sound/jack.h> #include <sound/soc.h> #include <linux/mfd/arizona/core.h> #include <linux/mfd/arizona/pdata.h> #include <linux/mfd/arizona/registers.h> #include <dt-bindings/mfd/arizona.h> #include "arizona.h" #define ARIZONA_MAX_MICD_RANGE … /* * The hardware supports 8 ranges / buttons, but the snd-jack interface * only supports 6 buttons (button 0-5). */ #define ARIZONA_MAX_MICD_BUTTONS … #define ARIZONA_MICD_CLAMP_MODE_JDL … #define ARIZONA_MICD_CLAMP_MODE_JDH … #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H … #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H … #define ARIZONA_TST_CAP_DEFAULT … #define ARIZONA_TST_CAP_CLAMP … #define ARIZONA_HPDET_MAX … #define HPDET_DEBOUNCE … #define DEFAULT_MICD_TIMEOUT … #define ARIZONA_HPDET_WAIT_COUNT … #define ARIZONA_HPDET_WAIT_DELAY_MS … #define QUICK_HEADPHONE_MAX_OHM … #define MICROPHONE_MIN_OHM … #define MICROPHONE_MAX_OHM … #define MICD_DBTIME_TWO_READINGS … #define MICD_DBTIME_FOUR_READINGS … #define MICD_LVL_1_TO_7 … #define MICD_LVL_0_TO_7 … #define MICD_LVL_0_TO_8 … static const struct arizona_micd_config micd_default_modes[] = …; static const struct arizona_micd_range micd_default_ranges[] = …; /* The number of levels in arizona_micd_levels valid for button thresholds */ #define ARIZONA_NUM_MICD_BUTTON_LEVELS … static const int arizona_micd_levels[] = …; static void arizona_start_hpdet_acc_id(struct arizona_priv *info); static void arizona_extcon_hp_clamp(struct arizona_priv *info, bool clamp) { … } static void arizona_extcon_set_mode(struct arizona_priv *info, int mode) { … } static const char *arizona_extcon_get_micbias(struct arizona_priv *info) { … } static void arizona_extcon_pulse_micbias(struct arizona_priv *info) { … } static void arizona_start_mic(struct arizona_priv *info) { … } static void arizona_stop_mic(struct arizona_priv *info) { … } static struct { … } arizona_hpdet_b_ranges[] = …; #define ARIZONA_HPDET_B_RANGE_MAX … static struct { … } arizona_hpdet_c_ranges[] = …; static int arizona_hpdet_read(struct arizona_priv *info) { … } static int arizona_hpdet_do_id(struct arizona_priv *info, int *reading, bool *mic) { … } static irqreturn_t arizona_hpdet_irq(int irq, void *data) { … } static void arizona_identify_headphone(struct arizona_priv *info) { … } static void arizona_start_hpdet_acc_id(struct arizona_priv *info) { … } static void arizona_micd_timeout_work(struct work_struct *work) { … } static int arizona_micd_adc_read(struct arizona_priv *info) { … } static int arizona_micd_read(struct arizona_priv *info) { … } static int arizona_micdet_reading(void *priv) { … } static int arizona_button_reading(void *priv) { … } static void arizona_micd_detect(struct work_struct *work) { … } static irqreturn_t arizona_micdet(int irq, void *data) { … } static void arizona_hpdet_work(struct work_struct *work) { … } static int arizona_hpdet_wait(struct arizona_priv *info) { … } static irqreturn_t arizona_jackdet(int irq, void *data) { … } /* Map a level onto a slot in the register bank */ static void arizona_micd_set_level(struct arizona *arizona, int index, unsigned int level) { … } static int arizona_extcon_get_micd_configs(struct device *dev, struct arizona *arizona) { … } static int arizona_extcon_device_get_pdata(struct device *dev, struct arizona *arizona) { … } int arizona_jack_codec_dev_probe(struct arizona_priv *info, struct device *dev) { … } EXPORT_SYMBOL_GPL(…); int arizona_jack_codec_dev_remove(struct arizona_priv *info) { … } EXPORT_SYMBOL_GPL(…); static int arizona_jack_enable_jack_detect(struct arizona_priv *info, struct snd_soc_jack *jack) { … } static int arizona_jack_disable_jack_detect(struct arizona_priv *info) { … } int arizona_jack_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jack, void *data) { … } EXPORT_SYMBOL_GPL(…);
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