13f5e123f9
Fixes blank LCD on both R0/R1 and the PMU on the R1 Change-Id: I356907676f7a0a009897fd4895bf78c1022b71d1
153 lines
4 KiB
C
153 lines
4 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
*
|
|
* Copyright (C) 2013 Lorenzo Miori
|
|
*
|
|
* 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 <sys/ioctl.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
#include "config.h"
|
|
#include "kernel.h"
|
|
#include "powermgmt.h"
|
|
#include "power.h"
|
|
#include "adc.h"
|
|
#include "radio-ypr.h"
|
|
#include "pmu-ypr1.h"
|
|
#include "ioctl-ypr1.h"
|
|
#include "system.h"
|
|
|
|
#define MAX17040_VCELL 0x02
|
|
#define MAX17040_SOC 0x04
|
|
#define MAX17040_MODE 0x06
|
|
#define MAX17040_VERSION 0x08
|
|
#define MAX17040_RCOMP 0x0C
|
|
#define MAX17040_COMMAND 0xFE
|
|
|
|
static int max17040_dev = -1;
|
|
|
|
void max17040_init(void)
|
|
{
|
|
max17040_dev = open("/dev/r1Batt", O_RDONLY);
|
|
if (max17040_dev < 0)
|
|
printf("/dev/r1Batt open error!");
|
|
}
|
|
|
|
void max17040_close(void)
|
|
{
|
|
if (max17040_dev >= 0)
|
|
close(max17040_dev);
|
|
}
|
|
|
|
#if (CONFIG_BATTERY_MEASURE & VOLTAGE_MEASURE) == VOLTAGE_MEASURE
|
|
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, 3502, 3550, 3587, 3623, 3669, 3742, 3836, 3926, 4026, 4200 }
|
|
};
|
|
#endif
|
|
|
|
#if CONFIG_CHARGING
|
|
/* 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 status = POWER_INPUT_NONE;
|
|
if (pmu_ioctl(MAX8819_IOCTL_IS_EXT_PWR, NULL) > 0)
|
|
status = POWER_INPUT_MAIN_CHARGER;
|
|
return status;
|
|
}
|
|
|
|
#endif /* CONFIG_CHARGING */
|
|
|
|
/* Returns battery voltage from MAX17040 VCELL ADC [millivolts steps],
|
|
* adc returns voltage in 1.25mV steps */
|
|
/*
|
|
* TODO this would be interesting to be mixed with battery percentage, for information
|
|
* and completition purpouses
|
|
*/
|
|
#if (CONFIG_BATTERY_MEASURE & VOLTAGE_MEASURE) == VOLTAGE_MEASURE
|
|
int _battery_voltage(void)
|
|
{
|
|
int level = 4000;
|
|
max17040_request ret = { .addr = 2, .reg1 = 0, .reg2 = 0 };
|
|
if (ioctl(max17040_dev, MAX17040_READ_REG, &ret) >= 0)
|
|
{
|
|
int step = (ret.reg1 << 4) | (ret.reg2 >> 4);
|
|
level = step + (step >> 2);
|
|
}
|
|
return level;
|
|
}
|
|
#elif (CONFIG_BATTERY_MEASURE & PERCENTAGE_MEASURE) == PERCENTAGE_MEASURE
|
|
int _battery_level(void)
|
|
{
|
|
int level = 100;
|
|
max17040_request ret = { .addr = 4, .reg1 = 0, .reg2 = 0 };
|
|
if (ioctl(max17040_dev, MAX17040_READ_REG, &ret) >= 0)
|
|
level = MIN(ret.reg1, 100);
|
|
return level;
|
|
}
|
|
#endif
|
|
|
|
bool charging_state(void)
|
|
{
|
|
int ret = pmu_ioctl(MAX8819_IOCTL_GET_CHG_STATUS, NULL);
|
|
if (ret == PMU_FULLY_CHARGED)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
#if CONFIG_TUNER
|
|
static bool tuner_on = false;
|
|
|
|
bool tuner_power(bool status)
|
|
{
|
|
if (status != tuner_on)
|
|
{
|
|
tuner_on = status;
|
|
status = !status;
|
|
if (tuner_on)
|
|
radiodev_open();
|
|
else
|
|
radiodev_close();
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
bool tuner_powered(void)
|
|
{
|
|
return tuner_on;
|
|
}
|
|
#endif /* #if CONFIG_TUNER */
|