// SPDX-License-Identifier: GPL-2.0-or-later /* * TI BQ25890 charger driver * * Copyright (C) 2015 Intel Corporation */ #include <linux/module.h> #include <linux/i2c.h> #include <linux/power_supply.h> #include <linux/power/bq25890_charger.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/types.h> #include <linux/gpio/consumer.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/usb/phy.h> #include <linux/acpi.h> #include <linux/of.h> #define BQ25890_MANUFACTURER … #define BQ25890_IRQ_PIN … #define BQ25890_ID … #define BQ25895_ID … #define BQ25896_ID … #define PUMP_EXPRESS_START_DELAY … #define PUMP_EXPRESS_MAX_TRIES … #define PUMP_EXPRESS_VBUS_MARGIN_uV … enum bq25890_chip_version { … }; static const char *const bq25890_chip_name[] = …; enum bq25890_fields { … }; /* initial field values, converted to register values */ struct bq25890_init_data { … }; struct bq25890_state { … }; struct bq25890_device { … }; static DEFINE_IDR(bq25890_id); static DEFINE_MUTEX(bq25890_id_mutex); static const struct regmap_range bq25890_readonly_reg_ranges[] = …; static const struct regmap_access_table bq25890_writeable_regs = …; static const struct regmap_range bq25890_volatile_reg_ranges[] = …; static const struct regmap_access_table bq25890_volatile_regs = …; static const struct regmap_config bq25890_regmap_config = …; static const struct reg_field bq25890_reg_fields[] = …; /* * Most of the val -> idx conversions can be computed, given the minimum, * maximum and the step between values. For the rest of conversions, we use * lookup tables. */ enum bq25890_table_ids { … }; /* Thermal Regulation Threshold lookup table, in degrees Celsius */ static const u32 bq25890_treg_tbl[] = …; #define BQ25890_TREG_TBL_SIZE … /* Boost mode current limit lookup table, in uA */ static const u32 bq25890_boosti_tbl[] = …; #define BQ25890_BOOSTI_TBL_SIZE … /* NTC 10K temperature lookup table in tenths of a degree */ static const u32 bq25890_tspct_tbl[] = …; #define BQ25890_TSPCT_TBL_SIZE … struct bq25890_range { … }; struct bq25890_lookup { … }; static const union { … } bq25890_tables[] = …; static int bq25890_field_read(struct bq25890_device *bq, enum bq25890_fields field_id) { … } static int bq25890_field_write(struct bq25890_device *bq, enum bq25890_fields field_id, u8 val) { … } static u8 bq25890_find_idx(u32 value, enum bq25890_table_ids id) { … } static u32 bq25890_find_val(u8 idx, enum bq25890_table_ids id) { … } enum bq25890_status { … }; enum bq25890_chrg_fault { … }; enum bq25890_ntc_fault { … }; static bool bq25890_is_adc_property(enum power_supply_property psp) { … } static irqreturn_t __bq25890_handle_irq(struct bq25890_device *bq); static int bq25890_get_vbus_voltage(struct bq25890_device *bq) { … } static void bq25890_update_state(struct bq25890_device *bq, enum power_supply_property psp, struct bq25890_state *state) { … } static int bq25890_power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static int bq25890_power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, const union power_supply_propval *val) { … } static int bq25890_power_supply_property_is_writeable(struct power_supply *psy, enum power_supply_property psp) { … } /* * If there are multiple chargers the maximum current the external power-supply * can deliver needs to be divided over the chargers. This is done according * to the bq->iinlim_percentage setting. */ static int bq25890_charger_get_scaled_iinlim_regval(struct bq25890_device *bq, int iinlim_ua) { … } /* On the BQ25892 try to get charger-type info from our supplier */ static void bq25890_charger_external_power_changed(struct power_supply *psy) { … } static int bq25890_get_chip_state(struct bq25890_device *bq, struct bq25890_state *state) { … } static irqreturn_t __bq25890_handle_irq(struct bq25890_device *bq) { … } static irqreturn_t bq25890_irq_handler_thread(int irq, void *private) { … } static int bq25890_chip_reset(struct bq25890_device *bq) { … } static int bq25890_rw_init_data(struct bq25890_device *bq) { … } static int bq25890_hw_init(struct bq25890_device *bq) { … } static const enum power_supply_property bq25890_power_supply_props[] = …; static char *bq25890_charger_supplied_to[] = …; static const struct power_supply_desc bq25890_power_supply_desc = …; static int bq25890_power_supply_init(struct bq25890_device *bq) { … } static int bq25890_set_otg_cfg(struct bq25890_device *bq, u8 val) { … } static void bq25890_pump_express_work(struct work_struct *data) { … } static void bq25890_usb_work(struct work_struct *data) { … } static int bq25890_usb_notifier(struct notifier_block *nb, unsigned long val, void *priv) { … } #ifdef CONFIG_REGULATOR static int bq25890_vbus_enable(struct regulator_dev *rdev) { … } static int bq25890_vbus_disable(struct regulator_dev *rdev) { … } static int bq25890_vbus_is_enabled(struct regulator_dev *rdev) { … } static int bq25890_vbus_get_voltage(struct regulator_dev *rdev) { … } static int bq25890_vsys_get_voltage(struct regulator_dev *rdev) { … } static const struct regulator_ops bq25890_vbus_ops = …; static const struct regulator_desc bq25890_vbus_desc = …; static const struct regulator_ops bq25890_vsys_ops = …; static const struct regulator_desc bq25890_vsys_desc = …; static int bq25890_register_regulator(struct bq25890_device *bq) { … } #else static inline int bq25890_register_regulator(struct bq25890_device *bq) { return 0; } #endif static int bq25890_get_chip_version(struct bq25890_device *bq) { … } static int bq25890_irq_probe(struct bq25890_device *bq) { … } static int bq25890_fw_read_u32_props(struct bq25890_device *bq) { … } static int bq25890_fw_probe(struct bq25890_device *bq) { … } static void bq25890_non_devm_cleanup(void *data) { … } static int bq25890_probe(struct i2c_client *client) { … } static void bq25890_remove(struct i2c_client *client) { … } static void bq25890_shutdown(struct i2c_client *client) { … } #ifdef CONFIG_PM_SLEEP static int bq25890_suspend(struct device *dev) { … } static int bq25890_resume(struct device *dev) { … } #endif static const struct dev_pm_ops bq25890_pm = …; static const struct i2c_device_id bq25890_i2c_ids[] = …; MODULE_DEVICE_TABLE(i2c, bq25890_i2c_ids); static const struct of_device_id bq25890_of_match[] __maybe_unused = …; MODULE_DEVICE_TABLE(of, bq25890_of_match); #ifdef CONFIG_ACPI static const struct acpi_device_id bq25890_acpi_match[] = …; MODULE_DEVICE_TABLE(acpi, bq25890_acpi_match); #endif static struct i2c_driver bq25890_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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