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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: powermgmt-nano2g.c 28159 2010-09-24 22:42:06Z Buschel $
*
* Copyright © 2008 Rafaël Carré
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "powermgmt.h"
#include "pmu-target.h"
#include "power.h"
#include "audiohw.h"
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
3500
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
3300
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
{ 3500, 3670, 3720, 3750, 3770, 3800, 3860, 3920, 3980, 4070, 4170 }
};
#if CONFIG_CHARGING
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{
3700, 3820, 3900, 3950, 3990, 4030, 4070, 4120, 4170, 4190, 4200
};
#endif /* CONFIG_CHARGING */
/* ADC should read 0x3ff=6.00V */
#define BATTERY_SCALE_FACTOR 6000
/* full-scale ADC readout (2^10) in millivolt */
/* Returns battery voltage from ADC [millivolts] */
int _battery_voltage(void)
{
int compensation = (10 * (pmu_read_battery_current() - 7)) / 12;
if (charging_state()) return pmu_read_battery_voltage() - compensation;
return pmu_read_battery_voltage() + compensation;
}
#ifdef HAVE_ACCESSORY_SUPPLY
void accessory_supply_set(bool enable)
{
if (enable)
{
/* Accessory voltage supply on */
pmu_ldo_power_on(6);
}
else
{
/* Accessory voltage supply off */
pmu_ldo_power_off(6);
}
}
#endif
#ifdef HAVE_LINEOUT_POWEROFF
void lineout_set(bool enable)
{
/* Call audio hardware driver implementation */
audiohw_enable_lineout(enable);
}
#endif
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