e876f4df6d
This is the basic port to the new target Samsung YP-R1, which runs on a similar platform as YP-R0. Port is usable, although there are still some optimizations that have to be done. Change-Id: If83a8e386369e413581753780c159026d9e41f04
153 lines
4 KiB
C
153 lines
4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2013 Lorenzo Miori
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <sys/ioctl.h>
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#include "kernel.h"
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#include "powermgmt.h"
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#include "power.h"
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#include "file.h"
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#include "adc.h"
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#include "radio-ypr.h"
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#include "pmu-ypr1.h"
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#include "ioctl-ypr1.h"
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#include "stdio.h"
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#include "unistd.h"
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#include "fcntl.h"
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#include "system.h"
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#define MAX17040_VCELL 0x02
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#define MAX17040_SOC 0x04
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#define MAX17040_MODE 0x06
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#define MAX17040_VERSION 0x08
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#define MAX17040_RCOMP 0x0C
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#define MAX17040_COMMAND 0xFE
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static int max17040_dev = -1;
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void max17040_init(void)
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{
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max17040_dev = open("/dev/r1Batt", O_RDONLY);
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if (max17040_dev < 0)
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printf("/dev/r1Batt open error!");
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}
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void max17040_close(void)
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{
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if (max17040_dev >= 0)
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close(max17040_dev);
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}
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#if (CONFIG_BATTERY_MEASURE & VOLTAGE_MEASURE) == VOLTAGE_MEASURE
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const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
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{
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3470
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};
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/* the OF shuts down at this voltage */
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const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
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{
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3450
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};
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/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
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const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
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{
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{ 3450, 3502, 3550, 3587, 3623, 3669, 3742, 3836, 3926, 4026, 4200 }
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};
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#endif
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#if CONFIG_CHARGING
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/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
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const unsigned short const percent_to_volt_charge[11] =
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{
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3450, 3670, 3721, 3751, 3782, 3821, 3876, 3941, 4034, 4125, 4200
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};
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unsigned int power_input_status(void)
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{
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unsigned status = POWER_INPUT_NONE;
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if (pmu_ioctl(MAX8819_IOCTL_IS_EXT_PWR, NULL) > 0)
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status = POWER_INPUT_MAIN_CHARGER;
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return status;
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}
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#endif /* CONFIG_CHARGING */
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/* Returns battery voltage from MAX17040 VCELL ADC [millivolts steps],
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* adc returns voltage in 1.25mV steps */
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/*
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* TODO this would be interesting to be mixed with battery percentage, for information
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* and completition purpouses
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*/
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#if (CONFIG_BATTERY_MEASURE & VOLTAGE_MEASURE) == VOLTAGE_MEASURE
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int _battery_voltage(void)
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{
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int level = 4000;
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max17040_request ret = { .addr = 2, .reg1 = 0, .reg2 = 0 };
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if (ioctl(max17040_dev, MAX17040_READ_REG, &ret) >= 0)
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{
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int step = (ret.reg1 << 4) | (ret.reg2 >> 4);
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level = step + (step >> 2);
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}
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return level;
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}
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#elif (CONFIG_BATTERY_MEASURE & PERCENTAGE_MEASURE) == PERCENTAGE_MEASURE
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int _battery_level(void)
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{
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int level = 100;
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max17040_request ret = { .addr = 4, .reg1 = 0, .reg2 = 0 };
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if (ioctl(max17040_dev, MAX17040_READ_REG, &ret) >= 0)
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level = MIN(ret.reg1, 100);
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return level;
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}
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#endif
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bool charging_state(void)
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{
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int ret = pmu_ioctl(MAX8819_IOCTL_GET_CHG_STATUS, NULL);
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if (ret == PMU_FULLY_CHARGED)
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return true;
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return false;
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}
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#if CONFIG_TUNER
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static bool tuner_on = false;
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bool tuner_power(bool status)
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{
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if (status != tuner_on)
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{
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tuner_on = status;
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status = !status;
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if (tuner_on)
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radiodev_open();
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else
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radiodev_close();
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}
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return status;
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}
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bool tuner_powered(void)
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{
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return tuner_on;
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}
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#endif /* #if CONFIG_TUNER */
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