linux/drivers/power/supply/sbs-charger.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2016, Prodys S.L.
 *
 * This adds support for sbs-charger compilant chips as defined here:
 * http://sbs-forum.org/specs/sbc110.pdf
 *
 * Implemetation based on sbs-battery.c
 */

#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/power_supply.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/bitops.h>
#include <linux/devm-helpers.h>

#define SBS_CHARGER_REG_SPEC_INFO …
#define SBS_CHARGER_REG_STATUS …
#define SBS_CHARGER_REG_ALARM_WARNING …

#define SBS_CHARGER_STATUS_CHARGE_INHIBITED …
#define SBS_CHARGER_STATUS_RES_COLD …
#define SBS_CHARGER_STATUS_RES_HOT …
#define SBS_CHARGER_STATUS_BATTERY_PRESENT …
#define SBS_CHARGER_STATUS_AC_PRESENT …

#define SBS_CHARGER_POLL_TIME …

struct sbs_info { … };

static int sbs_get_property(struct power_supply *psy,
			    enum power_supply_property psp,
			    union power_supply_propval *val)
{ … }

static int sbs_check_state(struct sbs_info *chip)
{ … }

static void sbs_delayed_work(struct work_struct *work)
{ … }

static irqreturn_t sbs_irq_thread(int irq, void *data)
{ … }

static enum power_supply_property sbs_properties[] = …;

static bool sbs_readable_reg(struct device *dev, unsigned int reg)
{ … }

static bool sbs_volatile_reg(struct device *dev, unsigned int reg)
{ … }

static const struct regmap_config sbs_regmap = …;

static const struct power_supply_desc sbs_desc = …;

static int sbs_probe(struct i2c_client *client)
{ … }

#ifdef CONFIG_OF
static const struct of_device_id sbs_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, sbs_dt_ids);
#endif

static const struct i2c_device_id sbs_id[] = …;
MODULE_DEVICE_TABLE(i2c, sbs_id);

static struct i2c_driver sbs_driver = …;
module_i2c_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;