diff options
Diffstat (limited to 'firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c')
-rw-r--r-- | firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c b/firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c new file mode 100644 index 0000000000..a50932dd92 --- /dev/null +++ b/firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c @@ -0,0 +1,60 @@ +/*************************************************************************** + * __________ __ ___. + * 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" + +/* FIXME: All voltages copied from H10 according to the battery type given + * in config-tpj1022.h at the time of splitting. This probably needs changing + * if that port ever gets up to speed. */ + +const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = +{ + 3760 +}; + +const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = +{ + 3650 +}; + +/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ +const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = +{ + { 3760, 3800, 3850, 3870, 3900, 3950, 4020, 4070, 4110, 4180, 4240 } +}; + +#if CONFIG_CHARGING +/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ +const unsigned short percent_to_volt_charge[11] = +{ + 3990, 4030, 4060, 4080, 4100, 4120, 4150, 4180, 4220, 4260, 4310 +}; +#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; +} |