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/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "ina2xx.h"
#include "util.h"
#define PP_DUT_IDX 0
#define PP_CHG_IDX 1
#define SR_CHG_IDX 2
void init_ina231s(void)
{
/* Calibrate INA0 (PP DUT) with 1mA/LSB scale */
ina2xx_init(PP_DUT_IDX, 0x8000, INA2XX_CALIB_1MA(5 /*mOhm*/));
/* Calibrate INA1 (PP CHG) with 1mA/LSB scale */
ina2xx_init(PP_CHG_IDX, 0x8000, INA2XX_CALIB_1MA(5 /*mOhm*/));
/* Calibrate INA2 (SR CHG) with 1mA/LSB scale*/
ina2xx_init(SR_CHG_IDX, 0x8000, INA2XX_CALIB_1MA(5 /*mOhm*/));
}
int pp_dut_voltage(void)
{
return ina2xx_get_voltage(PP_DUT_IDX);
}
int pp_dut_current(void)
{
return ina2xx_get_current(PP_DUT_IDX);
}
int pp_dut_power(void)
{
return ina2xx_get_power(PP_DUT_IDX);
}
int pp_chg_voltage(void)
{
return ina2xx_get_voltage(PP_CHG_IDX);
}
int pp_chg_current(void)
{
return ina2xx_get_current(PP_CHG_IDX);
}
int pp_chg_power(void)
{
return ina2xx_get_power(PP_CHG_IDX);
}
int sr_chg_voltage(void)
{
return ina2xx_get_voltage(SR_CHG_IDX);
}
int sr_chg_current(void)
{
return ina2xx_get_current(SR_CHG_IDX);
}
int sr_chg_power(void)
{
return ina2xx_get_power(SR_CHG_IDX);
}
int set_sr_chg_power_limit(int limit)
{
int enable;
int rv;
/* Configure PowerOverLimit alert */
enable = ina2xx_get_mask(SR_CHG_IDX);
enable |= 0x800;
rv = ina2xx_set_alert(SR_CHG_IDX, limit / 25);
if (rv)
return rv;
return ina2xx_set_mask(SR_CHG_IDX, enable);
}
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