rockbox/firmware/target/hosted/sonynwz/powermgmt-nwz.c
2018-04-20 20:14:46 +01:00

69 lines
2.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2016 Amaury Pouly
*
* 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 "powermgmt.h"
#include "power.h"
#include "power-nwz.h"
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
3470
};
/* the OF shuts down at this voltage */
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
3450
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
{ 3450, 3698, 3746, 3781, 3792, 3827, 3882, 3934, 3994, 4060, 4180 }
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short const percent_to_volt_charge[11] =
{
3450, 3670, 3721, 3751, 3782, 3821, 3876, 3941, 4034, 4125, 4200
};
unsigned int power_input_status(void)
{
unsigned pwr = 0;
int sts = nwz_power_get_status();
if(sts & NWZ_POWER_STATUS_VBUS_DET)
pwr |= POWER_INPUT_USB_CHARGER;
if(sts & NWZ_POWER_STATUS_AC_DET)
pwr |= POWER_INPUT_MAIN_CHARGER;
return pwr;
}
int _battery_voltage(void)
{
/* the raw voltage is unstable on some devices, so use the average provided
* by the driver */
return nwz_power_get_battery_voltage();
}
bool charging_state(void)
{
return (nwz_power_get_status() & NWZ_POWER_STATUS_CHARGE_STATUS) ==
NWZ_POWER_STATUS_CHARGE_STATUS_CHARGING;
}