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/*
* max17050_fuelgauge.h
* Samsung MAX17050 Fuel Gauge Header
*
* Copyright (C) 2012 Samsung Electronics, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __MAX17050_FUELGAUGE_H
#define __MAX17050_FUELGAUGE_H __FILE__
#include <linux/android_alarm.h>
/* Slave address should be shifted to the right 1bit.
* R/W bit should NOT be included.
*/
#define SEC_FUELGAUGE_I2C_SLAVEADDR 0x36
#if defined(CONFIG_FUELGAUGE_MAX17050_VOLTAGE_TRACKING)
#define MAX17050_REG_STATUS 0x00
#define MAX17050_REG_VALRT_TH 0x01
#define MAX17050_REG_TALRT_TH 0x02
#define MAX17050_REG_SALRT_TH 0x03
#define MAX17050_REG_VCELL 0x09
#define MAX17050_REG_TEMPERATURE 0x08
#define MAX17050_REG_AVGVCELL 0x19
#define MAX17050_REG_CONFIG 0x1D
#define MAX17050_REG_VERSION 0x21
#define MAX17050_REG_LEARNCFG 0x28
#define MAX17050_REG_FILTERCFG 0x29
#define MAX17050_REG_MISCCFG 0x2B
#define MAX17050_REG_CGAIN 0x2E
#define MAX17050_REG_RCOMP 0x38
#define MAX17050_REG_VFOCV 0xFB
#define MAX17050_REG_SOC_VF 0xFF
struct sec_fg_info {
bool dummy;
};
#endif
#if defined(CONFIG_FUELGAUGE_MAX17050_COULOMB_COUNTING)
#define PRINT_COUNT 10
/* Register address */
#define STATUS_REG 0x00
#define VALRT_THRESHOLD_REG 0x01
#define TALRT_THRESHOLD_REG 0x02
#define SALRT_THRESHOLD_REG 0x03
#define REMCAP_REP_REG 0x05
#define SOCREP_REG 0x06
#define TEMPERATURE_REG 0x08
#define VCELL_REG 0x09
#define CURRENT_REG 0x0A
#define AVG_CURRENT_REG 0x0B
#define SOCMIX_REG 0x0D
#define SOCAV_REG 0x0E
#define REMCAP_MIX_REG 0x0F
#define FULLCAP_REG 0x10
#define RFAST_REG 0x15
#define AVR_TEMPERATURE_REG 0x16
#define CYCLES_REG 0x17
#define DESIGNCAP_REG 0x18
#define AVR_VCELL_REG 0x19
#define CONFIG_REG 0x1D
#define REMCAP_AV_REG 0x1F
#define FULLCAP_NOM_REG 0x23
#define MISCCFG_REG 0x2B
#define RCOMP_REG 0x38
#define FSTAT_REG 0x3D
#define DQACC_REG 0x45
#define DPACC_REG 0x46
#define OCV_REG 0xEE
#define VFOCV_REG 0xFB
#define VFSOC_REG 0xFF
#define FG_LEVEL 0
#define FG_TEMPERATURE 1
#define FG_VOLTAGE 2
#define FG_CURRENT 3
#define FG_CURRENT_AVG 4
#define FG_CHECK_STATUS 5
#define FG_VF_SOC 6
#define FG_AV_SOC 7
#define LOW_BATT_COMP_RANGE_NUM 5
#define LOW_BATT_COMP_LEVEL_NUM 2
#define MAX_LOW_BATT_CHECK_CNT 10
enum {
POSITIVE = 0,
NEGATIVE,
};
enum {
RANGE = 0,
SLOPE,
OFFSET,
TABLE_MAX
};
#define CURRENT_RANGE_MAX_NUM 5
#define TEMP_RANGE_MAX_NUM 3
struct battery_data_t {
u16 Capacity;
u16 low_battery_comp_voltage;
s32 low_battery_table[CURRENT_RANGE_MAX_NUM][TABLE_MAX];
s32 temp_adjust_table[TEMP_RANGE_MAX_NUM][TABLE_MAX];
u8 *type_str;
};
struct sec_fg_info {
/* test print count */
int pr_cnt;
/* full charge comp */
struct delayed_work full_comp_work;
u32 previous_fullcap;
u32 previous_vffullcap;
/* low battery comp */
int low_batt_comp_cnt[LOW_BATT_COMP_RANGE_NUM][LOW_BATT_COMP_LEVEL_NUM];
int low_batt_comp_flag;
/* low battery boot */
int low_batt_boot_flag;
bool is_low_batt_alarm;
/* battery info */
u32 soc;
/* miscellaneous */
unsigned long fullcap_check_interval;
int full_check_flag;
bool is_first_check;
};
/* FullCap learning setting */
#define VFFULLCAP_CHECK_INTERVAL 300 /* sec */
/* soc should be 0.1% unit */
#define VFSOC_FOR_FULLCAP_LEARNING 950
#define LOW_CURRENT_FOR_FULLCAP_LEARNING 20
#define HIGH_CURRENT_FOR_FULLCAP_LEARNING 120
#define LOW_AVGCURRENT_FOR_FULLCAP_LEARNING 20
#define HIGH_AVGCURRENT_FOR_FULLCAP_LEARNING 100
/* power off margin */
/* soc should be 0.1% unit */
#define POWER_OFF_SOC_HIGH_MARGIN 20
#define POWER_OFF_VOLTAGE_HIGH_MARGIN 3500
#define POWER_OFF_VOLTAGE_LOW_MARGIN 3400
/* FG recovery handler */
/* soc should be 0.1% unit */
#define STABLE_LOW_BATTERY_DIFF 30
#define STABLE_LOW_BATTERY_DIFF_LOWBATT 10
#define LOW_BATTERY_SOC_REDUCE_UNIT 10
#endif
#endif /* __MAX17050_FUELGAUGE_H */
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