firmware/target/arm/sandisk/powermgmt-target.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
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   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 by Michael Sevakis
  11  * Copyright (C) 2008 by Bertrik Sikken
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22 #ifndef POWERMGMT_TARGET_H
  23 #define POWERMGMT_TARGET_H
  24
  25 #if defined(SANSA_C200)
  26 /* This configuration triggers a single charge cycle upon plugging and stops.
  27  * The true voltage cannot be read accurately and so monitoring isn't really
  28  * possible. The battery filter is still synced to have a proper reading
  29  * when disconnecting. */
  30 #define BATT_FULL_VOLTAGE   5121 /* Won't read this high - force start */
  31 #define BATT_VAUTO_RECHARGE 0    /* Won't read this low - force one cycle */
  32 #define BATT_CHG_V          CHG_V_4_20V
  33 #define BATT_CHG_I          CHG_I_300MA
  34 #define CHARGER_TOTAL_TIMER (4*3600*2) /* 4 hours enough? */
  35 #define ADC_BATTERY         ADC_BVDD
  36 #elif defined(SANSA_E200)
  37 /* PREFERRED - Check if topped-off and monitor voltage while plugged. */
  38 #define BATT_FULL_VOLTAGE   4160
  39 #define BATT_VAUTO_RECHARGE 4100
  40 #define BATT_CHG_V          CHG_V_4_20V
  41 #define BATT_CHG_I          CHG_I_300MA
  42 #define CHARGER_TOTAL_TIMER (4*3600*2) /* 4 hours enough? */
  43 /* On e200 ADC_RTCSUP seems to represent battery voltage better than
  44  * ADC_BVDD during charging (ADC_BVDD is way too high) and appears the
  45  * same in normal use.
  46  */
  47 #define ADC_BATTERY         ADC_RTCSUP
  48 #endif
  49
  50 void powermgmt_init_target(void);
  51 void charging_algorithm_step(void);
  52 void charging_algorithm_close(void);
  53
  54 /* We want to be able to reset the averaging filter */
  55 #define HAVE_RESET_BATTERY_FILTER
  56
  57 #define BATT_AVE_SAMPLES 32
  58
  59 #endif /*  POWERMGMT_TARGET_H */