/*
* s2mu107_fuelgauge.h - Header of S2MU107 Fuel Gauge
*
* Copyright (C) 2019 Samsung Electronics, Inc.
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
*/
#ifndef __S2MU107_FUELGAUGE_H
#define __S2MU107_FUELGAUGE_H __FILE__
#if defined(ANDROID_ALARM_ACTIVATED)
#include
#endif
#include
#include "../sec_charging_common.h"
#define MASK(width, shift) (((0x1 << (width)) - 1) << shift)
/* Slave address should be shifted to the right 1bit.
* R/W bit should NOT be included.
*/
#define S2MU107_REG_STATUS 0x00
#define S2MU107_REG_IRQ 0x02
#define S2MU107_REG_IRQ_M 0x03
#define S2MU107_REG_RVBAT 0x04
#define S2MU107_REG_RCUR_CC 0x06
#define S2MU107_REG_RSOC 0x08
#define S2MU107_REG_MONOUT 0x0A
#define S2MU107_REG_MONOUT_SEL 0x0C
#define S2MU107_REG_RBATCAP_OCV 0x0E
#define S2MU107_REG_RBATCAP 0x10
#define S2MU107_REG_RCAPCC 0x3E
#define S2MU107_REG_RSOC_R_SAVE 0x2A // Register for SOC saving
#define S2MU107_REG_RZADJ 0x12
#define S2MU107_REG_RBATZ0 0x16
#define S2MU107_REG_RBATZ1 0x18
#define S2MU107_REG_ALERT_LVL 0x1A
#define S2MU107_REG_START 0x1E
#define S2MU107_REG_FG_ID 0x48
#define S2MU107_REG_VM 0x67
#define S2MU107_REG_RSOC_R 0x80
#define S2MU107_REG_RDESIGN_CAP 0x86
#define S2MU107_REG_RSOC_R_I2C 0x8E
#define S2MU107_REG_RBATCAP_OCV_NEW 0x88
#define S2MU107_REG_RBATCAP_OCV_NEW_IN 0x90
#define IF_EN_MASK MASK(2,4)
/* For MONOUT */
#define S2MU107_MONOUT_SEL_AVGVBAT 0x16
#define S2MU107_MONOUT_SEL_AVGCURR 0x17
#define S2MU107_MONOUT_SEL_AVGTEMP 0x18
#define S2MU107_MONOUT_SEL_CYCLE 0x27
/* For temperature compensation */
#define TEMP_COMPEN_INC_OK_EN (1 << 7)
#define S2MU107_REG_RCOMPI 0x6E
#define S2MU107_REG_RA0 0x71
#define S2MU107_REG_RB0 0x70
#define S2MU107_REG_RA1 0x73
#define S2MU107_REG_RB1 0x72
/* For battery capacity learning */
#define BATCAP_LEARN_FAST_LRN_EN (1 << 5)
#define BATCAP_LEARN_AUTO_LRN_EN (1 << 7)
#define BATCAP_LEARN_WIDE_LRN_EN (1 << 6)
#define BATCAP_LEARN_LOW_EN (1 << 5)
#define BATCAP_LEARN_NO4LEARN_MASK MASK(4,4)
#define BATCAP_LEARN_C1_NUM_MASK MASK(2,0)
#define BATCAP_LEARN_C2_NUM_MASK MASK(2,2)
#define BATCAP_LEARN_C1_CURR_MASK MASK(4,4)
/* For init regs */
#define ADC_AVCC_EN_SHIFT 4
#define ADC_AVCC_EN_MASK MASK(2,ADC_AVCC_EN_SHIFT)
/* For Direct charge setting */
#define T_PEROID_SHIFT 6
#define T_PERIOD_MASK MASK(2,T_PEROID_SHIFT)
enum {
T_PERIOD_500MS = 0,
T_PERIOD_250MS,
T_PERIOD_125MS,
T_PERIOD_63MS,
};
enum {
CURRENT_MODE = 0,
LOW_SOC_VOLTAGE_MODE,
HIGH_SOC_VOLTAGE_MODE,
END_MODE,
};
static char* mode_to_str[] = {
"CC_MODE",
"VOLTAGE_MODE", // not used
"VOLTAGE_MODE",
"END",
};
struct fg_info {
/* battery info */
int soc;
#if !defined(CONFIG_BATTERY_AGE_FORECAST)
/* copy from platform data /
* DTS or update by shell script */
int battery_table3[88]; // evt2
int battery_table4[22]; // evt2
int soc_arr_val[22];
int ocv_arr_val[22];
int batcap[4];
int accum[2];
#endif
};
#if defined(CONFIG_BATTERY_AGE_FORECAST)
struct fg_age_data_info {
int battery_table3[88]; // evt2
int battery_table4[22]; // evt2
int batcap[4];
int accum[2];
int soc_arr_val[22];
int ocv_arr_val[22];
int volt_mode_tunning;
};
#define fg_age_data_info_t \
struct fg_age_data_info
#endif
struct s2mu107_fuelgauge_platform_data {
int fuel_alert_soc;
int fg_irq;
int fuel_alert_vol;
unsigned int capacity_full;
char *fuelgauge_name;
char *charger_name;
bool repeated_fuelalert;
struct sec_charging_current *charging_current;
int capacity_max;
int capacity_max_margin;
int capacity_min;
int capacity_calculation_type;
int fullsocthr;
/* For temperature compensation */
int inc_ok_en;
int comp_i;
int a0;
int b0;
int a1;
int b1;
/* For battery capacity learning */
int fast_lrn_en;
int no4learn;
int auto_lrn_en;
int wide_lrn_en;
int low_en;
int c1_num;
int c2_num;
int c1_curr;
};
struct s2mu107_fuelgauge_data {
struct device *dev;
struct i2c_client *i2c;
struct i2c_client *pmic;
struct mutex fuelgauge_mutex;
struct s2mu107_fuelgauge_platform_data *pdata;
struct power_supply *psy_fg;
/* struct delayed_work isr_work; */
int cable_type;
bool is_charging; /* charging is enabled */
#if defined(CONFIG_CHARGER_S2MU107_DIRECT)
bool is_dc_charging;
#endif
int soc_m;
int soc_r;
int avg_curr;
int avg_vbat;
int curr;
int vbat;
int topoff_current;
bool vm_status; /* Now voltage mode or not */
int comp_socr; /* 1% unit */
int capcc;
int batcap_ocv;
int cycle;
int soh;
int socr;
int rm;
int fcc;
int mode;
u8 revision;
struct fg_info info;
#if defined(CONFIG_BATTERY_AGE_FORECAST)
fg_age_data_info_t *age_data_info;
int fg_num_age_step;
int fg_age_step;
int age_reset_status;
struct mutex fg_reset_lock;
int change_step;
#endif
bool is_fuel_alerted;
struct wake_lock fuel_alert_wake_lock;
unsigned int ui_soc;
unsigned int capacity_old; /* only for atomic calculation */
unsigned int capacity_max; /* only for dynamic calculation */
unsigned int g_capacity_max; /* only for dynamic calculation */
unsigned int standard_capacity;
int raw_capacity;
bool capacity_max_conv;
bool initial_update_of_soc;
bool init_battery_temp;
bool sleep_initial_update_of_soc;
struct mutex fg_lock;
struct delayed_work isr_work;
u8 reg_OTP_53;
u8 reg_OTP_52;
int low_vbat_threshold;
int low_vbat_threshold_lowtemp;
int low_temp_limit;
int temperature;
int fg_irq;
bool probe_done;
int init_start;
};
#endif /* __S2MU107_FUELGAUGE_H */