// SPDX-License-Identifier: GPL-2.0-only /* * TS3A227E Autonomous Audio Accessory Detection and Configuration Switch * * Copyright (C) 2014 Google, Inc. */ #include <linux/gpio.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/input.h> #include <linux/module.h> #include <linux/regmap.h> #include <linux/acpi.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/soc.h> #include "ts3a227e.h" struct ts3a227e { … }; /* Button values to be reported on the jack */ static const int ts3a227e_buttons[] = …; #define TS3A227E_NUM_BUTTONS … #define TS3A227E_JACK_MASK … /* TS3A227E registers */ #define TS3A227E_REG_DEVICE_ID … #define TS3A227E_REG_INTERRUPT … #define TS3A227E_REG_KP_INTERRUPT … #define TS3A227E_REG_INTERRUPT_DISABLE … #define TS3A227E_REG_SETTING_1 … #define TS3A227E_REG_SETTING_2 … #define TS3A227E_REG_SETTING_3 … #define TS3A227E_REG_SWITCH_CONTROL_1 … #define TS3A227E_REG_SWITCH_CONTROL_2 … #define TS3A227E_REG_SWITCH_STATUS_1 … #define TS3A227E_REG_SWITCH_STATUS_2 … #define TS3A227E_REG_ACCESSORY_STATUS … #define TS3A227E_REG_ADC_OUTPUT … #define TS3A227E_REG_KP_THRESHOLD_1 … #define TS3A227E_REG_KP_THRESHOLD_2 … #define TS3A227E_REG_KP_THRESHOLD_3 … /* TS3A227E_REG_INTERRUPT 0x01 */ #define INS_REM_EVENT … #define DETECTION_COMPLETE_EVENT … /* TS3A227E_REG_KP_INTERRUPT 0x02 */ #define PRESS_MASK(idx) … #define RELEASE_MASK(idx) … /* TS3A227E_REG_INTERRUPT_DISABLE 0x03 */ #define INS_REM_INT_DISABLE … #define DETECTION_COMPLETE_INT_DISABLE … #define ADC_COMPLETE_INT_DISABLE … #define INTB_DISABLE … /* TS3A227E_REG_SETTING_1 0x4 */ #define DEBOUNCE_INSERTION_SETTING_SFT … #define DEBOUNCE_INSERTION_SETTING_MASK … /* TS3A227E_REG_SETTING_2 0x05 */ #define KP_ENABLE … /* TS3A227E_REG_SETTING_3 0x06 */ #define MICBIAS_SETTING_SFT … #define MICBIAS_SETTING_MASK … #define DEBOUNCE_RELEASE_SETTING_SFT … #define DEBOUNCE_RELEASE_SETTING_MASK … #define DEBOUNCE_PRESS_SETTING_SFT … #define DEBOUNCE_PRESS_SETTING_MASK … /* TS3A227E_REG_ACCESSORY_STATUS 0x0b */ #define TYPE_3_POLE … #define TYPE_4_POLE_OMTP … #define TYPE_4_POLE_STANDARD … #define JACK_INSERTED … #define EITHER_MIC_MASK … static const struct reg_default ts3a227e_reg_defaults[] = …; static bool ts3a227e_readable_reg(struct device *dev, unsigned int reg) { … } static bool ts3a227e_writeable_reg(struct device *dev, unsigned int reg) { … } static bool ts3a227e_volatile_reg(struct device *dev, unsigned int reg) { … } static void ts3a227e_jack_report(struct ts3a227e *ts3a227e) { … } static void ts3a227e_new_jack_state(struct ts3a227e *ts3a227e, unsigned acc_reg) { … } static irqreturn_t ts3a227e_interrupt(int irq, void *data) { … } /** * ts3a227e_enable_jack_detect - Specify a jack for event reporting * * @component: component to register the jack with * @jack: jack to use to report headset and button events on * * After this function has been called the headset insert/remove and button * events 0-3 will be routed to the given jack. Jack can be null to stop * reporting. */ int ts3a227e_enable_jack_detect(struct snd_soc_component *component, struct snd_soc_jack *jack) { … } EXPORT_SYMBOL_GPL(…); static int ts3a227e_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jack, void *data) { … } static int ts3a227e_get_jack_type(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver ts3a227e_soc_driver = …; static const struct regmap_config ts3a227e_regmap_config = …; static int ts3a227e_parse_device_property(struct ts3a227e *ts3a227e, struct device *dev) { … } static int ts3a227e_i2c_probe(struct i2c_client *i2c) { … } #ifdef CONFIG_PM_SLEEP static int ts3a227e_suspend(struct device *dev) { … } static int ts3a227e_resume(struct device *dev) { … } #endif static const struct dev_pm_ops ts3a227e_pm = …; static const struct i2c_device_id ts3a227e_i2c_ids[] = …; MODULE_DEVICE_TABLE(i2c, ts3a227e_i2c_ids); #ifdef CONFIG_OF static const struct of_device_id ts3a227e_of_match[] = …; MODULE_DEVICE_TABLE(of, ts3a227e_of_match); #endif #ifdef CONFIG_ACPI static struct acpi_device_id ts3a227e_acpi_match[] = …; MODULE_DEVICE_TABLE(acpi, ts3a227e_acpi_match); #endif static struct i2c_driver ts3a227e_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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