include/linux/power/twl4030_madc_battery.h

   1 /*
   2  * Dumb driver for LiIon batteries using TWL4030 madc.
   3  *
   4  * Copyright 2013 Golden Delicious Computers
   5  * Nikolaus Schaller <hns@goldelico.com>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the License, or (at your
  10  *  option) any later version.
  11  *
  12  *  You should have received a copy of the GNU General Public License along
  13  *  with this program; if not, write to the Free Software Foundation, Inc.,
  14  *  675 Mass Ave, Cambridge, MA 02139, USA.
  15  *
  16  */
  17
  18 #ifndef __TWL4030_MADC_BATTERY_H
  19 #define __TWL4030_MADC_BATTERY_H
  20
  21 /*
  22  * Usually we can assume 100% @ 4.15V and 0% @ 3.3V but curves differ for
  23  * charging and discharging!
  24  */
  25
  26 struct twl4030_madc_bat_calibration {
  27         short voltage;  /* in mV - specify -1 for end of list */
  28         short level;    /* in percent (0 .. 100%) */
  29 };
  30
  31 struct twl4030_madc_bat_platform_data {
  32         unsigned int capacity;  /* total capacity in uAh */
  33         struct twl4030_madc_bat_calibration *charging;
  34         int charging_size;
  35         struct twl4030_madc_bat_calibration *discharging;
  36         int discharging_size;
  37 };
  38
  39 #endif