1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) ST-Ericsson SA 2012
4 * Author: Johan Gardsmark <johan.gardsmark@stericsson.com> for ST-Ericsson.
5 */
6
7 #ifndef _UX500_CHARGALG_H
8 #define _UX500_CHARGALG_H
9
10 #include <linux/power_supply.h>
11
12 /*
13 * Valid only for supplies of type:
14 * - POWER_SUPPLY_TYPE_MAINS,
15 * - POWER_SUPPLY_TYPE_USB,
16 * because only them store as drv_data pointer to struct ux500_charger.
17 */
18 #define psy_to_ux500_charger(x) power_supply_get_drvdata(psy)
19
20 /* Forward declaration */
21 struct ux500_charger;
22
23 struct ux500_charger_ops {
24 int (*enable) (struct ux500_charger *, int, int, int);
25 int (*check_enable) (struct ux500_charger *, int, int);
26 int (*kick_wd) (struct ux500_charger *);
27 int (*update_curr) (struct ux500_charger *, int);
28 };
29
30 /**
31 * struct ux500_charger - power supply ux500 charger sub class
32 * @psy power supply base class
33 * @ops ux500 charger operations
34 * @max_out_volt maximum output charger voltage in mV
35 * @max_out_curr maximum output charger current in mA
36 * @enabled indicates if this charger is used or not
37 * @external external charger unit (pm2xxx)
38 */
39 struct ux500_charger {
40 struct power_supply *psy;
41 struct ux500_charger_ops ops;
42 int max_out_volt;
43 int max_out_curr;
44 int wdt_refresh;
45 bool enabled;
46 bool external;
47 };
48
49 extern struct blocking_notifier_head charger_notifier_list;
50
51 #endif