linux/drivers/power/supply/wm8350_power.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Battery driver for wm8350 PMIC
 *
 * Copyright 2007, 2008 Wolfson Microelectronics PLC.
 *
 * Based on OLPC Battery Driver
 *
 * Copyright 2006  David Woodhouse <[email protected]>
 */

#include <linux/module.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/mfd/wm8350/supply.h>
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/comparator.h>

static int wm8350_read_battery_uvolts(struct wm8350 *wm8350)
{ … }

static int wm8350_read_line_uvolts(struct wm8350 *wm8350)
{ … }

static int wm8350_read_usb_uvolts(struct wm8350 *wm8350)
{ … }

#define WM8350_BATT_SUPPLY …
#define WM8350_USB_SUPPLY …
#define WM8350_LINE_SUPPLY …

static inline int wm8350_charge_time_min(struct wm8350 *wm8350, int min)
{ … }

static int wm8350_get_supplies(struct wm8350 *wm8350)
{ … }

static int wm8350_charger_config(struct wm8350 *wm8350,
				 struct wm8350_charger_policy *policy)
{ … }

static int wm8350_batt_status(struct wm8350 *wm8350)
{ … }

static ssize_t charger_state_show(struct device *dev,
				 struct device_attribute *attr, char *buf)
{ … }

static DEVICE_ATTR_RO(charger_state);

static irqreturn_t wm8350_charger_handler(int irq, void *data)
{ … }

/*********************************************************************
 *		AC Power
 *********************************************************************/
static int wm8350_ac_get_prop(struct power_supply *psy,
			      enum power_supply_property psp,
			      union power_supply_propval *val)
{ … }

static enum power_supply_property wm8350_ac_props[] = …;

/*********************************************************************
 *		USB Power
 *********************************************************************/
static int wm8350_usb_get_prop(struct power_supply *psy,
			       enum power_supply_property psp,
			       union power_supply_propval *val)
{ … }

static enum power_supply_property wm8350_usb_props[] = …;

/*********************************************************************
 *		Battery properties
 *********************************************************************/

static int wm8350_bat_check_health(struct wm8350 *wm8350)
{ … }

static int wm8350_bat_get_charge_type(struct wm8350 *wm8350)
{ … }

static int wm8350_bat_get_property(struct power_supply *psy,
				   enum power_supply_property psp,
				   union power_supply_propval *val)
{ … }

static enum power_supply_property wm8350_bat_props[] = …;

static const struct power_supply_desc wm8350_ac_desc = …;

static const struct power_supply_desc wm8350_battery_desc = …;

static const struct power_supply_desc wm8350_usb_desc = …;

/*********************************************************************
 *		Initialisation
 *********************************************************************/

static int wm8350_init_charger(struct wm8350 *wm8350)
{ … }

static void free_charger_irq(struct wm8350 *wm8350)
{ … }

static int wm8350_power_probe(struct platform_device *pdev)
{ … }

static void wm8350_power_remove(struct platform_device *pdev)
{ … }

static struct platform_driver wm8350_power_driver = …;

module_platform_driver(…) …;

MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_ALIAS(…) …;