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/*
* max17042_battery.h
* fuel-gauge systems for lithium-ion (Li+) batteries
*
* Copyright (C) 2010 Samsung Electronics
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _MAX17042_BATTERY_H
#define _MAX17042_BATTERY_H
#if defined(CONFIG_TARGET_LOCALE_KOR)
#include <linux/power_supply.h>
#endif /* CONFIG_TARGET_LOCALE_KOR */
/* 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
#if defined(CONFIG_TARGET_LOCALE_KOR)
#define FILTERCFG_REG 0x29
#define CGAIN_REG 0x2E
#endif /* CONFIG_TARGET_LOCALE_KOR */
#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_BATTERY_TYPE 5
#define FG_CHECK_STATUS 6
#define FG_VF_SOC 7
#define FG_VOLTAGE_NOW 8
#define LOW_BATT_COMP_RANGE_NUM 5
#define LOW_BATT_COMP_LEVEL_NUM 2
#define MAX_LOW_BATT_CHECK_CNT 10
#define MAX17042_CURRENT_UNIT 15625 / 100000
struct max17042_platform_data {
int sdi_capacity;
int sdi_vfcapacity;
int sdi_low_bat_comp_start_vol;
int atl_capacity;
int atl_vfcapacity;
int atl_low_bat_comp_start_vol;
int byd_capacity;
int byd_vfcapacity;
int byd_low_bat_comp_start_vol;
int fuel_alert_line;
int (*check_jig_status) (void);
};
struct fuelgauge_info {
/* test print count */
int pr_cnt;
/* battery type */
int battery_type;
/* full charge comp */
u32 prev_fullcap;
u32 prev_vffcap;
u32 full_charged_cap;
/* capacity and vfcapacity */
u16 capacity;
u16 vfcapacity;
int soc_restart_flag;
/* cap corruption check */
u32 prev_repsoc;
u32 prev_vfsoc;
u32 prev_remcap;
u32 prev_mixcap;
u32 prev_fullcapacity;
u32 prev_vfcapacity;
u32 prev_vfocv;
/* low battery comp */
int low_batt_comp_cnt[LOW_BATT_COMP_RANGE_NUM][LOW_BATT_COMP_LEVEL_NUM];
int check_start_vol;
int low_batt_comp_flag;
int psoc;
};
struct max17042_chip {
struct i2c_client *client;
struct max17042_platform_data *pdata;
#if defined(CONFIG_TARGET_LOCALE_KOR)
struct power_supply battery;
#endif /* CONFIG_TARGET_LOCALE_KOR */
struct fuelgauge_info info;
struct mutex fg_lock;
};
/* Battery parameter */
/* Current range for P2(not dependent on battery type */
#if defined(CONFIG_MACH_P2)
#define CURRENT_RANGE1 0
#define CURRENT_RANGE2 -100
#define CURRENT_RANGE3 -750
#define CURRENT_RANGE4 -1250
#define CURRENT_RANGE_MAX CURRENT_RANGE4
#define CURRENT_RANGE_MAX_NUM 4
/* SDI type low battery compensation offset */
#define SDI_Range4_1_Offset 3320
#define SDI_Range4_3_Offset 3410
#define SDI_Range3_1_Offset 3451
#define SDI_Range3_3_Offset 3454
#define SDI_Range2_1_Offset 3461
#define SDI_Range2_3_Offset 3544
#define SDI_Range1_1_Offset 3456
#define SDI_Range1_3_Offset 3536
#define SDI_Range4_1_Slope 0
#define SDI_Range4_3_Slope 0
#define SDI_Range3_1_Slope 97
#define SDI_Range3_3_Slope 27
#define SDI_Range2_1_Slope 96
#define SDI_Range2_3_Slope 134
#define SDI_Range1_1_Slope 0
#define SDI_Range1_3_Slope 0
/* ATL type low battery compensation offset */
#define ATL_Range5_1_Offset 3277
#define ATL_Range5_3_Offset 3293
#define ATL_Range4_1_Offset 3312
#define ATL_Range4_3_Offset 3305
#define ATL_Range3_1_Offset 3310
#define ATL_Range3_3_Offset 3333
#define ATL_Range2_1_Offset 3335
#define ATL_Range2_3_Offset 3356
#define ATL_Range1_1_Offset 3325
#define ATL_Range1_3_Offset 3342
#define ATL_Range5_1_Slope 0
#define ATL_Range5_3_Slope 0
#define ATL_Range4_1_Slope 30
#define ATL_Range4_3_Slope 667
#define ATL_Range3_1_Slope 20
#define ATL_Range3_3_Slope 40
#define ATL_Range2_1_Slope 60
#define ATL_Range2_3_Slope 76
#define ATL_Range1_1_Slope 0
#define ATL_Range1_3_Slope 0
#elif defined(CONFIG_MACH_P4NOTE) /* P4W battery parameter */
/* Current range for P4W(not dependent on battery type */
#define CURRENT_RANGE1 0
#define CURRENT_RANGE2 -200
#define CURRENT_RANGE3 -600
#define CURRENT_RANGE4 -1500
#define CURRENT_RANGE5 -2500
#define CURRENT_RANGE_MAX CURRENT_RANGE5
#define CURRENT_RANGE_MAX_NUM 5
/* SDI type low battery compensation offset */
#define SDI_Range5_1_Offset 3318
#define SDI_Range5_3_Offset 3383
#define SDI_Range4_1_Offset 3451
#define SDI_Range4_3_Offset 3618
#define SDI_Range3_1_Offset 3453
#define SDI_Range3_3_Offset 3615
#define SDI_Range2_1_Offset 3447
#define SDI_Range2_3_Offset 3606
#define SDI_Range1_1_Offset 3438
#define SDI_Range1_3_Offset 3591
#define SDI_Range5_1_Slope 0
#define SDI_Range5_3_Slope 0
#define SDI_Range4_1_Slope 53
#define SDI_Range4_3_Slope 94
#define SDI_Range3_1_Slope 54
#define SDI_Range3_3_Slope 92
#define SDI_Range2_1_Slope 45
#define SDI_Range2_3_Slope 78
#define SDI_Range1_1_Slope 0
#define SDI_Range1_3_Slope 0
/* Default value for build */
/* ATL type low battery compensation offset */
#define ATL_Range4_1_Offset 3298
#define ATL_Range4_3_Offset 3330
#define ATL_Range3_1_Offset 3375
#define ATL_Range3_3_Offset 3445
#define ATL_Range2_1_Offset 3371
#define ATL_Range2_3_Offset 3466
#define ATL_Range1_1_Offset 3362
#define ATL_Range1_3_Offset 3443
#define ATL_Range4_1_Slope 0
#define ATL_Range4_3_Slope 0
#define ATL_Range3_1_Slope 50
#define ATL_Range3_3_Slope 77
#define ATL_Range2_1_Slope 40
#define ATL_Range2_3_Slope 111
#define ATL_Range1_1_Slope 0
#define ATL_Range1_3_Slope 0
/* BYD type low battery compensation offset */
#define BYD_Range5_1_Offset 3318
#define BYD_Range5_3_Offset 3383
#define BYD_Range4_1_Offset 3451
#define BYD_Range4_3_Offset 3618
#define BYD_Range3_1_Offset 3453
#define BYD_Range3_3_Offset 3615
#define BYD_Range2_1_Offset 3447
#define BYD_Range2_3_Offset 3606
#define BYD_Range1_1_Offset 3438
#define BYD_Range1_3_Offset 3591
#define BYD_Range5_1_Slope 0
#define BYD_Range5_3_Slope 0
#define BYD_Range4_1_Slope 53
#define BYD_Range4_3_Slope 94
#define BYD_Range3_1_Slope 54
#define BYD_Range3_3_Slope 92
#define BYD_Range2_1_Slope 45
#define BYD_Range2_3_Slope 78
#define BYD_Range1_1_Slope 0
#define BYD_Range1_3_Slope 0
#elif defined(CONFIG_MACH_P8) || defined(CONFIG_MACH_P8LTE)
/* Current range for P8(not dependent on battery type */
#define CURRENT_RANGE1 0
#define CURRENT_RANGE2 -200
#define CURRENT_RANGE3 -600
#define CURRENT_RANGE4 -1500
#define CURRENT_RANGE5 -2500
#define CURRENT_RANGE_MAX CURRENT_RANGE5
#define CURRENT_RANGE_MAX_NUM 5
/* SDI type low battery compensation Slope & Offset for 1% SOC range*/
#define SDI_Range1_1_Slope 0
#define SDI_Range2_1_Slope 54
#define SDI_Range3_1_Slope 66
#define SDI_Range4_1_Slope 69
#define SDI_Range5_1_Slope 0
#define SDI_Range1_1_Offset 3391
#define SDI_Range2_1_Offset 3402
#define SDI_Range3_1_Offset 3409
#define SDI_Range4_1_Offset 3414
#define SDI_Range5_1_Offset 3240
/* SDI type low battery compensation Slope & Offset for 3% SOC range*/
#define SDI_Range1_3_Slope 0
#define SDI_Range2_3_Slope 92
#define SDI_Range3_3_Slope 125
#define SDI_Range4_3_Slope 110
#define SDI_Range5_3_Slope 0
#define SDI_Range1_3_Offset 3524
#define SDI_Range2_3_Offset 3542
#define SDI_Range3_3_Offset 3562
#define SDI_Range4_3_Offset 3539
#define SDI_Range5_3_Offset 3265
/* ATL type low battery compensation offset */
#define ATL_Range4_1_Offset 3298
#define ATL_Range4_3_Offset 3330
#define ATL_Range3_1_Offset 3375
#define ATL_Range3_3_Offset 3445
#define ATL_Range2_1_Offset 3371
#define ATL_Range2_3_Offset 3466
#define ATL_Range1_1_Offset 3362
#define ATL_Range1_3_Offset 3443
#define ATL_Range4_1_Slope 0
#define ATL_Range4_3_Slope 0
#define ATL_Range3_1_Slope 50
#define ATL_Range3_3_Slope 77
#define ATL_Range2_1_Slope 40
#define ATL_Range2_3_Slope 111
#define ATL_Range1_1_Slope 0
#define ATL_Range1_3_Slope 0
#else /* default value */
/* Current range for default(not dependent on battery type */
#define CURRENT_RANGE1 0
#define CURRENT_RANGE2 -100
#define CURRENT_RANGE3 -750
#define CURRENT_RANGE4 -1250
#define CURRENT_RANGE_MIN CURRENT_RANGE1
#define CURRENT_RANGE_MAX CURRENT_RANGE4
#define CURRENT_RANGE_MAX_NUM 4
/* SDI type low battery compensation offset */
#define SDI_Range4_1_Offset 3371
#define SDI_Range4_3_Offset 3478
#define SDI_Range3_1_Offset 3453
#define SDI_Range3_3_Offset 3614
#define SDI_Range2_1_Offset 3447
#define SDI_Range2_3_Offset 3606
#define SDI_Range1_1_Offset 3438
#define SDI_Range1_3_Offset 3591
#define SDI_Range4_1_Slope 0
#define SDI_Range4_3_Slope 0
#define SDI_Range3_1_Slope 50
#define SDI_Range3_3_Slope 90
#define SDI_Range2_1_Slope 50
#define SDI_Range2_3_Slope 78
#define SDI_Range1_1_Slope 0
#define SDI_Range1_3_Slope 0
/* ATL type low battery compensation offset */
#define ATL_Range4_1_Offset 3298
#define ATL_Range4_3_Offset 3330
#define ATL_Range3_1_Offset 3375
#define ATL_Range3_3_Offset 3445
#define ATL_Range2_1_Offset 3371
#define ATL_Range2_3_Offset 3466
#define ATL_Range1_1_Offset 3362
#define ATL_Range1_3_Offset 3443
#define ATL_Range4_1_Slope 0
#define ATL_Range4_3_Slope 0
#define ATL_Range3_1_Slope 50
#define ATL_Range3_3_Slope 77
#define ATL_Range2_1_Slope 40
#define ATL_Range2_3_Slope 111
#define ATL_Range1_1_Slope 0
#define ATL_Range1_3_Slope 0
#endif
enum {
POSITIVE = 0,
NEGATIVE,
};
enum {
UNKNOWN_TYPE = 0,
SDI_BATTERY_TYPE,
ATL_BATTERY_TYPE,
BYD_BATTERY_TYPE,
};
#ifdef CONFIG_MACH_P8LTE
#define SEC_CURR_MEA_ADC_CH 6
/*N.B. For a given battery type and aboard type both R_ISET and I_topOff
are constant hence VtopOff = R_ISET * I_topOff should also be a constant
under the given condns.
Presently only implementing for P8-LTE, for other, consult with HW.
For P8-LTE the limit is defined as 0.05C , where C is the battery capacity
,5100mAh in this case.*/
#define COUNT_TOP_OFF 3
#define V_TOP_OFF 165 /* 200mA * 750ohms.(11_11_16) */
/* #define V_TOP_OFF 208 *//* 250mA(default value) * 750ohms.(11_10_10) */
#endif
/* Temperature adjust value */
#define SDI_TRIM1_1 122
#define SDI_TRIM1_2 8950
#define SDI_TRIM2_1 200
#define SDI_TRIM2_2 51000
void fg_periodic_read(void);
extern int fg_reset_soc(void);
extern int fg_reset_capacity(void);
extern int fg_adjust_capacity(void);
extern void fg_low_batt_compensation(u32 level);
extern int fg_alert_init(void);
extern void fg_fullcharged_compensation(u32 is_recharging, u32 pre_update);
extern void fg_check_vf_fullcap_range(void);
extern int fg_check_cap_corruption(void);
extern void fg_set_full_charged(void);
extern void fg_reset_fullcap_in_fullcharge(void);
#endif
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