rockbox/firmware/target/arm/ipod/powermgmt-ipod-pcf.c

109 lines
3.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
* Revisions copyright (C) 2005 by Gerald Van Baren
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "adc.h"
#include "powermgmt.h"
#include "pcf5060x.h"
#include "pcf50605.h"
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
#ifdef IPOD_NANO
3330
#elif defined IPOD_VIDEO
3300
#else
/* FIXME: calibrate value for other 3G+ ipods */
3380
#endif
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
#ifdef IPOD_NANO
3230
#elif defined IPOD_VIDEO
3300
#else
/* FIXME: calibrate value for other 3G+ ipods */
3020
#endif
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
#ifdef IPOD_NANO
/* measured values */
{ 3230, 3620, 3700, 3730, 3750, 3780, 3830, 3890, 3950, 4030, 4160 },
#elif defined IPOD_VIDEO
/* iPOD Video 30GB Li-Ion 400mAh, first approach based upon measurements */
{ 3450, 3670, 3710, 3750, 3790, 3830, 3870, 3930, 4010, 4100, 4180 },
#else
/* FIXME: calibrate value for other 3G+ ipods */
/* Table is "inherited" from iriver H100. */
{ 3370, 3650, 3700, 3740, 3780, 3820, 3870, 3930, 4000, 4080, 4160 }
#endif
};
#if CONFIG_CHARGING
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{
#ifdef IPOD_NANO
/* measured values */
3230, 3620, 3700, 3730, 3750, 3780, 3830, 3890, 3950, 4030, 4160
#elif defined IPOD_VIDEO
/* iPOD Video 30GB Li-Ion 400mAh, first approach based upon measurements */
3450, 3670, 3710, 3750, 3790, 3830, 3870, 3930, 4010, 4100, 4180
#else
/* FIXME: calibrate value for other 3G+ ipods */
/* Table is "inherited" from iriver H100. */
3540, 3860, 3930, 3980, 4000, 4020, 4040, 4080, 4130, 4180, 4230
#endif
};
#endif /* CONFIG_CHARGING */
#define BATTERY_SCALE_FACTOR 6000
/* full-scale ADC readout (2^10) in millivolt */
/* Returns battery voltage from ADC [millivolts] */
unsigned int battery_adc_voltage(void)
{
return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
}
#ifdef HAVE_ACCESSORY_SUPPLY
void accessory_supply_set(bool enable)
{
if (enable)
{
/* Accessory voltage supply */
pcf50605_write(PCF5060X_D2REGC1, 0xf8); /* 3.3V ON */
}
else
{
/* Accessory voltage supply */
pcf50605_write(PCF5060X_D2REGC1, 0x18); /* OFF */
}
}
#endif