/*************************************************************************** * __________ __ ___. * 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] = { 3600 }; const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = { 3350 }; /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = { { 3600, 3730, 3780, 3810, 3840, 3880, 3930, 3990, 4080, 4170, 4270 } }; #if CONFIG_CHARGING /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ const unsigned short percent_to_volt_charge[11] = { 3800, 3900, 3990, 4070, 4140, 4200, 4250, 4290, 4320, 4340, 4350 }; #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 */ //TODO: pmu_ldo_power_on(6); } else { /* Accessory voltage supply off */ //TODO: 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