1 /*
2  * Copyright (C) ST-Ericsson SA 2012
3  * Author: Johan Gardsmark <johan.gardsmark@stericsson.com> for ST-Ericsson.
4  * License terms:  GNU General Public License (GPL), version 2
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 	int (*pp_enable) (struct ux500_charger *, bool);
29 	int (*pre_chg_enable) (struct ux500_charger *, bool);
30 };
31 
32 /**
33  * struct ux500_charger - power supply ux500 charger sub class
34  * @psy			power supply base class
35  * @ops			ux500 charger operations
36  * @max_out_volt	maximum output charger voltage in mV
37  * @max_out_curr	maximum output charger current in mA
38  * @enabled		indicates if this charger is used or not
39  * @external		external charger unit (pm2xxx)
40  * @power_path		USB power path support
41  */
42 struct ux500_charger {
43 	struct power_supply *psy;
44 	struct ux500_charger_ops ops;
45 	int max_out_volt;
46 	int max_out_curr;
47 	int wdt_refresh;
48 	bool enabled;
49 	bool external;
50 	bool power_path;
51 };
52 
53 extern struct blocking_notifier_head charger_notifier_list;
54 
55 #endif
56