include/linux/mfd/abx500/ux500_chargalg.h

   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