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kernel_samsung_a34x-permissive/drivers/power/supply/mediatek/battery_meter.c

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Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2021 MediaTek Inc.
*/
#include <linux/init.h> /* For init/exit macros */
#include <linux/interrupt.h>
#include <linux/module.h> /* For MODULE_ marcros */
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <linux/cdev.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/kdev_t.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
#include <linux/proc_fs.h>
#include <linux/rtc.h>
#include <linux/slab.h>
#include <linux/time.h>
#ifdef CONFIG_OF
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#endif
#include <linux/uaccess.h>
#include <linux/mfd/mt6397/rtc_misc.h>
#include <mt-plat/mtk_boot.h>
#include <mt-plat/mtk_boot_reason.h>
#include <mach/mt_battery_meter.h>
#include <mt-plat/battery_common.h>
#include <mt-plat/battery_meter.h>
#include <mt-plat/battery_meter_hal.h>
#ifdef MTK_MULTI_BAT_PROFILE_SUPPORT
#include <mach/mt_battery_meter_table_multi_profile.h>
#else
#include <mach/mt_battery_meter_table.h>
#endif
#include <mt-plat/upmu_common.h>
/* ============================================================ // */
/* define */
/* ============================================================ // */
#define PROFILE_SIZE 4
static DEFINE_MUTEX(FGADC_mutex);
int Enable_FGADC_LOG;
/* ============================================================ // */
/* global variable */
/* ============================================================ // */
BATTERY_METER_CONTROL battery_meter_ctrl;
enum kal_bool gFG_Is_Charging;
signed int g_auxadc_solution;
unsigned int g_spm_timer = 600;
bool bat_spm_timeout;
unsigned int _g_bat_sleep_total_time = NORMAL_WAKEUP_PERIOD;
#ifdef MTK_ENABLE_AGING_ALGORITHM
unsigned int suspend_time;
#endif
signed int g_booting_vbat;
#if !defined(CONFIG_POWER_EXT)
static unsigned int temperature_change = 1;
#endif
/* ////////////////////////////////////////////////////////////////////////// */
/* // PMIC AUXADC Related Variable */
/* ////////////////////////////////////////////////////////////////////////// */
int g_R_BAT_SENSE; /* R_BAT_SENSE; */
int g_R_I_SENSE; /* R_I_SENSE; */
int g_R_CHARGER_1; /* R_CHARGER_1; */
int g_R_CHARGER_2; /* R_CHARGER_2; */
int fg_qmax_update_for_aging_flag = 1;
/* HW FG */
signed int gFG_DOD0;
signed int gFG_DOD1;
signed int gFG_columb;
signed int gFG_voltage;
signed int gFG_current;
signed int gFG_capacity;
signed int gFG_capacity_by_c;
signed int gFG_capacity_by_c_init;
signed int gFG_capacity_by_v;
signed int gFG_capacity_by_v_init;
signed int gFG_temp = 100;
signed int gFG_resistance_bat;
signed int gFG_compensate_value;
signed int gFG_ori_voltage;
signed int gFG_BATT_CAPACITY;
signed int gFG_voltage_init;
signed int gFG_current_auto_detect_R_fg_total;
signed int gFG_current_auto_detect_R_fg_count;
signed int gFG_current_auto_detect_R_fg_result;
signed int gFG_15_vlot = 3700;
signed int gFG_BATT_CAPACITY_init_high_current = 1200;
signed int gFG_BATT_CAPACITY_aging = 1200;
/* voltage mode */
signed int gfg_percent_check_point = 50;
signed int volt_mode_update_timer;
signed int volt_mode_update_time_out = 6; /* 1mins */
/* EM */
signed int g_fg_dbg_bat_volt;
signed int g_fg_dbg_bat_current;
signed int g_fg_dbg_bat_zcv;
signed int g_fg_dbg_bat_temp;
signed int g_fg_dbg_bat_r;
signed int g_fg_dbg_bat_car;
signed int g_fg_dbg_bat_qmax;
signed int g_fg_dbg_d0;
signed int g_fg_dbg_d1;
signed int g_fg_dbg_percentage;
signed int g_fg_dbg_percentage_fg;
signed int g_fg_dbg_percentage_voltmode;
signed int FGvbatVoltageBuffer[FG_VBAT_AVERAGE_SIZE];
signed int FGbatteryIndex;
signed int FGbatteryVoltageSum;
signed int gFG_voltage_AVG;
signed int gFG_vbat_offset;
#ifdef Q_MAX_BY_CURRENT
signed int FGCurrentBuffer[FG_CURRENT_AVERAGE_SIZE];
signed int FGCurrentIndex;
signed int FGCurrentSum;
signed int gFG_current_AVG;
#endif
signed int g_tracking_point; /* CUST_TRACKING_POINT; */
signed int g_rtc_fg_soc;
signed int g_I_SENSE_offset;
/* SW FG */
signed int oam_v_ocv_init;
signed int oam_v_ocv_1;
signed int oam_v_ocv_2;
signed int oam_r_1;
signed int oam_r_2;
signed int oam_d0;
signed int oam_i_ori;
signed int oam_i_1;
signed int oam_i_2;
signed int oam_car_1;
signed int oam_car_2;
signed int oam_d_1 = 1;
signed int oam_d_2 = 1;
signed int oam_d_3 = 1;
signed int oam_d_3_pre;
signed int oam_d_4;
signed int oam_d_4_pre;
signed int oam_d_5;
signed int oam_init_i;
signed int oam_run_i;
signed int d5_count;
signed int d5_count_time = 60;
signed int d5_count_time_rate = 1;
signed int g_d_hw_ocv;
signed int g_vol_bat_hw_ocv;
signed int g_hw_ocv_before_sleep;
struct timespec g_rtc_time_before_sleep, xts_before_sleep;
signed int g_sw_vbat_temp;
struct timespec last_oam_run_time;
/* aging mechanism */
#ifdef MTK_ENABLE_AGING_ALGORITHM
#ifdef SOC_BY_HW_FG
static signed int aging_ocv_1;
static signed int aging_ocv_2;
static signed int aging_car_1;
static signed int aging_car_2;
static signed int aging_dod_1;
static signed int aging_dod_2;
#ifdef MD_SLEEP_CURRENT_CHECK
static signed int columb_before_sleep = 0x123456;
#endif
#endif
/* static time_t aging_resume_time_1 = 0; */
/* static time_t aging_resume_time_2 = 0; */
#ifndef SELF_DISCHARGE_CHECK_THRESHOLD
#define SELF_DISCHARGE_CHECK_THRESHOLD 10
#endif
#ifndef OCV_RECOVER_TIME
#define OCV_RECOVER_TIME 2100
#endif
#ifndef DOD1_ABOVE_THRESHOLD
#define DOD1_ABOVE_THRESHOLD 30
#endif
#ifndef DOD2_BELOW_THRESHOLD
#define DOD2_BELOW_THRESHOLD 70
#endif
#ifndef MIN_DOD_DIFF_THRESHOLD
#define MIN_DOD_DIFF_THRESHOLD 60
#endif
#ifndef MIN_AGING_FACTOR
#define MIN_AGING_FACTOR 90
#endif
#endif /* aging mechanism */
/* battery info */
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
signed int gFG_battery_cycle;
signed int gFG_aging_factor = 100;
signed int gFG_columb_sum;
signed int gFG_pre_columb_count;
signed int gFG_max_voltage;
signed int gFG_min_voltage = 10000;
signed int gFG_max_current;
signed int gFG_min_current;
signed int gFG_max_temperature = -20;
signed int gFG_min_temperature = 100;
#endif /* battery info */
/*extern char *saved_command_line;*/
/* Temperature window size */
#define TEMP_AVERAGE_SIZE 30
enum kal_bool gFG_Is_offset_init;
void battery_meter_reset_sleep_time(void)
{
_g_bat_sleep_total_time = 0;
}
#ifdef MTK_MULTI_BAT_PROFILE_SUPPORT
/*extern int IMM_GetOneChannelValue_Cali(int Channel, int *voltage);*/
unsigned int g_fg_battery_id;
#ifdef MTK_GET_BATTERY_ID_BY_AUXADC
void fgauge_get_profile_id(void)
{
int id_volt = 0;
int id = 0;
int ret = 0;
ret = IMM_GetOneChannelValue_Cali(BATTERY_ID_CHANNEL_NUM, &id_volt);
if (ret != 0)
bm_print(BM_LOG_CRTI,
"[%s]id_volt read fail\n", __func__);
else
bm_print(BM_LOG_CRTI, "[%s]id_volt = %d\n",
__func__, id_volt);
if ((sizeof(g_battery_id_voltage) / sizeof(signed int)) !=
TOTAL_BATTERY_NUMBER) {
bm_print(
BM_LOG_CRTI,
"[%s]error! voltage range incorrect!\n", __func__);
return;
}
for (id = 0; id < TOTAL_BATTERY_NUMBER; id++) {
if (id_volt < g_battery_id_voltage[id]) {
g_fg_battery_id = id;
break;
} else if (g_battery_id_voltage[id] == -1) {
g_fg_battery_id = TOTAL_BATTERY_NUMBER - 1;
}
}
bm_print(BM_LOG_CRTI, "[%s]Battery id (%d)\n",
__func__, g_fg_battery_id);
}
#elif defined(MTK_GET_BATTERY_ID_BY_GPIO)
void fgauge_get_profile_id(void)
{
g_fg_battery_id = 0;
}
#else
void fgauge_get_profile_id(void)
{
g_fg_battery_id = 0;
}
#endif
#endif
/* ============================================================ // */
/* function prototype */
/* ============================================================ // */
struct battery_meter_custom_data batt_meter_cust_data;
int __batt_meter_init_cust_data_from_cust_header(void)
{
battery_log(BAT_LOG_CRTI,
"%s\n", __func__);
/* mt_battery_meter_table.h */
#if (BAT_NTC_10 == 1)
batt_meter_cust_data.bat_ntc = 10;
#elif (BAT_NTC_47 == 1)
batt_meter_cust_data.bat_ntc = 47;
#endif
#if defined(RBAT_PULL_UP_R)
batt_meter_cust_data.rbat_pull_up_r = RBAT_PULL_UP_R;
#endif
#if defined(RBAT_PULL_UP_VOLT)
batt_meter_cust_data.rbat_pull_up_volt = RBAT_PULL_UP_VOLT;
#endif
/* mt_battery_meter.h */
/* ADC resister */
#if defined(R_BAT_SENSE)
batt_meter_cust_data.r_bat_sense = R_BAT_SENSE;
g_R_BAT_SENSE = R_BAT_SENSE;
#endif
#if defined(R_I_SENSE)
batt_meter_cust_data.r_i_sense = R_I_SENSE;
g_R_I_SENSE = R_I_SENSE;
#endif
#if defined(R_CHARGER_1)
batt_meter_cust_data.r_charger_1 = R_CHARGER_1;
g_R_CHARGER_1 = R_CHARGER_1;
#endif
#if defined(R_CHARGER_2)
batt_meter_cust_data.r_charger_2 = R_CHARGER_2;
g_R_CHARGER_2 = R_CHARGER_2;
#endif
#if defined(TEMPERATURE_T0)
batt_meter_cust_data.temperature_t0 = TEMPERATURE_T0;
#endif
#if defined(TEMPERATURE_T1)
batt_meter_cust_data.temperature_t1 = TEMPERATURE_T1;
#endif
#if defined(TEMPERATURE_T2)
batt_meter_cust_data.temperature_t2 = TEMPERATURE_T2;
#endif
#if defined(TEMPERATURE_T3)
batt_meter_cust_data.temperature_t3 = TEMPERATURE_T3;
#endif
#if defined(TEMPERATURE_T)
batt_meter_cust_data.temperature_t = TEMPERATURE_T;
#endif
#if defined(FG_METER_RESISTANCE)
batt_meter_cust_data.fg_meter_resistance = FG_METER_RESISTANCE;
#endif
/* Qmax for battery */
#if defined(Q_MAX_POS_50)
batt_meter_cust_data.q_max_pos_50 = Q_MAX_POS_50;
#endif
#if defined(Q_MAX_POS_25)
batt_meter_cust_data.q_max_pos_25 = Q_MAX_POS_25;
#endif
#if defined(Q_MAX_POS_0)
batt_meter_cust_data.q_max_pos_0 = Q_MAX_POS_0;
#endif
#if defined(Q_MAX_NEG_10)
batt_meter_cust_data.q_max_neg_10 = Q_MAX_NEG_10;
#endif
#if defined(Q_MAX_POS_50_H_CURRENT)
batt_meter_cust_data.q_max_pos_50_h_current = Q_MAX_POS_50_H_CURRENT;
#endif
#if defined(Q_MAX_POS_25_H_CURRENT)
batt_meter_cust_data.q_max_pos_25_h_current = Q_MAX_POS_25_H_CURRENT;
#endif
#if defined(Q_MAX_POS_0_H_CURRENT)
batt_meter_cust_data.q_max_pos_0_h_current = Q_MAX_POS_0_H_CURRENT;
#endif
#if defined(Q_MAX_NEG_10_H_CURRENT)
batt_meter_cust_data.q_max_neg_10_h_current = Q_MAX_NEG_10_H_CURRENT;
#endif
#if defined(OAM_D5)
batt_meter_cust_data.oam_d5 = OAM_D5; /* 1 : D5, 0: D2 */
#endif
#if defined(CHANGE_TRACKING_POINT)
batt_meter_cust_data.change_tracking_point = 1;
#else /* #if defined(CHANGE_TRACKING_POINT) */
batt_meter_cust_data.change_tracking_point = 0;
#endif /* #if defined(CHANGE_TRACKING_POINT) */
#if defined(CUST_TRACKING_POINT)
batt_meter_cust_data.cust_tracking_point = CUST_TRACKING_POINT;
g_tracking_point = CUST_TRACKING_POINT;
#endif
#if defined(CUST_R_SENSE)
batt_meter_cust_data.cust_r_sense = CUST_R_SENSE;
#endif
#if defined(CUST_HW_CC)
batt_meter_cust_data.cust_hw_cc = CUST_HW_CC;
#endif
#if defined(AGING_TUNING_VALUE)
batt_meter_cust_data.aging_tuning_value = AGING_TUNING_VALUE;
#endif
#if defined(CUST_R_FG_OFFSET)
batt_meter_cust_data.cust_r_fg_offset = CUST_R_FG_OFFSET;
#endif
#if defined(OCV_BOARD_COMPESATE)
batt_meter_cust_data.ocv_board_compesate = OCV_BOARD_COMPESATE;
#endif
#if defined(R_FG_BOARD_BASE)
batt_meter_cust_data.r_fg_board_base = R_FG_BOARD_BASE;
#endif
#if defined(R_FG_BOARD_SLOPE)
batt_meter_cust_data.r_fg_board_slope = R_FG_BOARD_SLOPE;
#endif
#if defined(CAR_TUNE_VALUE)
batt_meter_cust_data.car_tune_value = CAR_TUNE_VALUE;
#endif
/* HW Fuel gague */
#if defined(CURRENT_DETECT_R_FG)
batt_meter_cust_data.current_detect_r_fg = CURRENT_DETECT_R_FG;
#endif
#if defined(MinErrorOffset)
batt_meter_cust_data.minerroroffset = MinErrorOffset;
#endif
#if defined(FG_VBAT_AVERAGE_SIZE)
batt_meter_cust_data.fg_vbat_average_size = FG_VBAT_AVERAGE_SIZE;
#endif
#if defined(R_FG_VALUE)
batt_meter_cust_data.r_fg_value = R_FG_VALUE;
#endif
#if defined(CUST_POWERON_DELTA_CAPACITY_TOLRANCE)
batt_meter_cust_data.cust_poweron_delta_capacity_tolrance =
CUST_POWERON_DELTA_CAPACITY_TOLRANCE;
#endif
#if defined(CUST_POWERON_LOW_CAPACITY_TOLRANCE)
batt_meter_cust_data.cust_poweron_low_capacity_tolrance =
CUST_POWERON_LOW_CAPACITY_TOLRANCE;
#endif
#if defined(CUST_POWERON_MAX_VBAT_TOLRANCE)
batt_meter_cust_data.cust_poweron_max_vbat_tolrance =
CUST_POWERON_MAX_VBAT_TOLRANCE;
#endif
#if defined(CUST_POWERON_DELTA_VBAT_TOLRANCE)
batt_meter_cust_data.cust_poweron_delta_vbat_tolrance =
CUST_POWERON_DELTA_VBAT_TOLRANCE;
#endif
#if defined(CUST_POWERON_DELTA_HW_SW_OCV_CAPACITY_TOLRANCE)
batt_meter_cust_data.cust_poweron_delta_hw_sw_ocv_capacity_tolrance =
CUST_POWERON_DELTA_HW_SW_OCV_CAPACITY_TOLRANCE;
#endif
#if defined(FIXED_TBAT_25)
batt_meter_cust_data.fixed_tbat_25 = 1;
#else /* #if defined(FIXED_TBAT_25) */
batt_meter_cust_data.fixed_tbat_25 = 0;
#endif /* #if defined(FIXED_TBAT_25) */
/* Dynamic change wake up period of battery thread when suspend */
#if defined(VBAT_NORMAL_WAKEUP)
batt_meter_cust_data.vbat_normal_wakeup = VBAT_NORMAL_WAKEUP;
#endif
#if defined(VBAT_LOW_POWER_WAKEUP)
batt_meter_cust_data.vbat_low_power_wakeup = VBAT_LOW_POWER_WAKEUP;
#endif
#if defined(NORMAL_WAKEUP_PERIOD)
batt_meter_cust_data.normal_wakeup_period = NORMAL_WAKEUP_PERIOD;
_g_bat_sleep_total_time = NORMAL_WAKEUP_PERIOD;
#endif
#if defined(LOW_POWER_WAKEUP_PERIOD)
batt_meter_cust_data.low_power_wakeup_period = LOW_POWER_WAKEUP_PERIOD;
#endif
#if defined(CLOSE_POWEROFF_WAKEUP_PERIOD)
batt_meter_cust_data.close_poweroff_wakeup_period =
CLOSE_POWEROFF_WAKEUP_PERIOD;
#endif
#if defined(IS_BATTERY_REMOVE_BY_PMIC)
batt_meter_cust_data.vbat_remove_detection = 1;
#else /* #if defined(IS_BATTERY_REMOVE_BY_PMIC) */
batt_meter_cust_data.vbat_remove_detection = 0;
#endif /* #if defined(IS_BATTERY_REMOVE_BY_PMIC) */
return 0;
}
#if defined(BATTERY_DTS_SUPPORT) && defined(CONFIG_OF)
static void __batt_meter_parse_node(const struct device_node *np,
const char *node_srting, int *cust_val)
{
u32 val;
if (of_property_read_u32(np, node_srting, &val) == 0) {
(*cust_val) = (int)val;
bm_print(BM_LOG_FULL, "Get %s: %d\n", node_srting, (*cust_val));
} else {
bm_print(BM_LOG_CRTI, "Get %s failed\n", node_srting);
}
}
static void __batt_meter_parse_table(const struct device_node *np,
const char *node_srting,
struct battery_profile_struct *profile_p)
{
int addr, val, idx, saddles;
/*the number of battery table is */
/* the same as the number of r table */
saddles = fgauge_get_saddles();
idx = 0;
bm_print(BM_LOG_CRTI, "%s: %s, %d\n", __func__, node_srting,
saddles);
while (!of_property_read_u32_index(np, node_srting, idx, &addr)) {
idx++;
if (!of_property_read_u32_index(np, node_srting, idx, &val)) {
battery_log(
BAT_LOG_CRTI,
"%s: addr: %d, val: %d\n", __func__,
addr, val);
}
profile_p->percentage = addr;
profile_p->voltage = val;
/* dump parsing data */
#if 0
msleep(20);
bm_print(BM_LOG_CRTI,
"%s>> %s[%d]: <%d, %d>\n",
__func__,
node_srting, (idx/2), profile_p->percentage,
profile_p->voltage);
#endif
profile_p++;
if ((idx++) >= (saddles * 2))
break;
}
/* error handle */
if (idx == 0) {
battery_log(BAT_LOG_CRTI, "[%s] cannot find %s in dts\n",
__func__, node_srting);
return;
}
/* use last data to fill with the rest array */
/* if raw data is less than temp array */
/* error handle */
profile_p--;
while (idx < (saddles * 2)) {
profile_p++;
profile_p->percentage = addr;
profile_p->voltage = val;
idx = idx + 2;
/* dump parsing data */
#if 0
msleep(20);
bm_print(BM_LOG_CRTI,
"%s>> %s[%d]: <%d, %d>\n",
__func__,
node_srting, (idx/2) - 1, profile_p->percentage,
profile_p->voltage);
#endif
}
}
int __batt_meter_init_cust_data_from_dt(void)
{
struct device_node *np;
int num;
unsigned int idx, addr, val;
/* check customer setting */
np = of_find_compatible_node(NULL, NULL, "mediatek,bat_meter");
if (!np) {
battery_log(BAT_LOG_CRTI,
"Failed to find device-tree node: bat_meter\n");
return -ENODEV;
}
__batt_meter_parse_node(np, "rbat_pull_up_r",
&batt_meter_cust_data.rbat_pull_up_r);
__batt_meter_parse_node(np, "rbat_pull_up_volt",
&batt_meter_cust_data.rbat_pull_up_volt);
__batt_meter_parse_node(np, "batt_temperature_table_num", &num);
idx = 0;
while (!of_property_read_u32_index(np, "batt_temperature_table", idx,
&addr)) {
idx++;
if (!of_property_read_u32_index(np, "batt_temperature_table",
idx, &val)) {
battery_log(
BAT_LOG_CRTI,
"batt_temperature_table: addr: %d, val: %d\n",
addr, val);
}
Batt_Temperature_Table[idx / 2].BatteryTemp = addr;
Batt_Temperature_Table[idx / 2].TemperatureR = val;
idx++;
if (idx >= num * 2)
break;
}
__batt_meter_parse_node(np, "battery_profile_t0_num", &num);
__batt_meter_parse_table(
np, "battery_profile_t0",
fgauge_get_profile(batt_meter_cust_data.temperature_t0));
__batt_meter_parse_node(np, "battery_profile_t1_num", &num);
__batt_meter_parse_table(
np, "battery_profile_t1",
fgauge_get_profile(batt_meter_cust_data.temperature_t1));
__batt_meter_parse_node(np, "battery_profile_t2_num", &num);
__batt_meter_parse_table(
np, "battery_profile_t2",
fgauge_get_profile(batt_meter_cust_data.temperature_t2));
__batt_meter_parse_node(np, "battery_profile_t3_num", &num);
__batt_meter_parse_table(
np, "battery_profile_t3",
fgauge_get_profile(batt_meter_cust_data.temperature_t3));
__batt_meter_parse_node(np, "r_profile_t0_num", &num);
__batt_meter_parse_table(
np, "r_profile_t0",
(BATTERY_PROFILE_STRUCT *)fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t0));
__batt_meter_parse_node(np, "r_profile_t1_num", &num);
__batt_meter_parse_table(
np, "r_profile_t1",
(BATTERY_PROFILE_STRUCT *)fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t1));
__batt_meter_parse_node(np, "r_profile_t2_num", &num);
__batt_meter_parse_table(
np, "r_profile_t2",
(BATTERY_PROFILE_STRUCT *)fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t2));
__batt_meter_parse_node(np, "r_profile_t3_num", &num);
__batt_meter_parse_table(
np, "r_profile_t3",
(BATTERY_PROFILE_STRUCT *)fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t3));
__batt_meter_parse_node(np, "r_bat_sense",
&batt_meter_cust_data.r_bat_sense);
__batt_meter_parse_node(np, "r_i_sense",
&batt_meter_cust_data.r_i_sense);
__batt_meter_parse_node(np, "r_charger_1",
&batt_meter_cust_data.r_charger_1);
__batt_meter_parse_node(np, "r_charger_2",
&batt_meter_cust_data.r_charger_2);
__batt_meter_parse_node(np, "temperature_t0",
&batt_meter_cust_data.temperature_t0);
__batt_meter_parse_node(np, "temperature_t1",
&batt_meter_cust_data.temperature_t1);
__batt_meter_parse_node(np, "temperature_t2",
&batt_meter_cust_data.temperature_t2);
__batt_meter_parse_node(np, "temperature_t3",
&batt_meter_cust_data.temperature_t3);
__batt_meter_parse_node(np, "temperature_t",
&batt_meter_cust_data.temperature_t);
__batt_meter_parse_node(np, "fg_meter_resistance",
&batt_meter_cust_data.fg_meter_resistance);
__batt_meter_parse_node(np, "q_max_pos_50",
&batt_meter_cust_data.q_max_pos_50);
__batt_meter_parse_node(np, "q_max_pos_25",
&batt_meter_cust_data.q_max_pos_25);
__batt_meter_parse_node(np, "q_max_pos_0",
&batt_meter_cust_data.q_max_pos_0);
__batt_meter_parse_node(np, "q_max_neg_10",
&batt_meter_cust_data.q_max_neg_10);
__batt_meter_parse_node(np, "q_max_pos_50_h_current",
&batt_meter_cust_data.q_max_pos_50_h_current);
__batt_meter_parse_node(np, "q_max_pos_25_h_current",
&batt_meter_cust_data.q_max_pos_25_h_current);
__batt_meter_parse_node(np, "q_max_pos_0_h_current",
&batt_meter_cust_data.q_max_pos_0_h_current);
__batt_meter_parse_node(np, "oam_d5", &batt_meter_cust_data.oam_d5);
__batt_meter_parse_node(np, "change_tracking_point",
&batt_meter_cust_data.change_tracking_point);
__batt_meter_parse_node(np, "cust_tracking_point",
&batt_meter_cust_data.cust_tracking_point);
__batt_meter_parse_node(np, "cust_r_sense",
&batt_meter_cust_data.cust_r_sense);
__batt_meter_parse_node(np, "cust_hw_cc",
&batt_meter_cust_data.cust_hw_cc);
__batt_meter_parse_node(np, "aging_tuning_value",
&batt_meter_cust_data.aging_tuning_value);
__batt_meter_parse_node(np, "cust_r_fg_offset",
&batt_meter_cust_data.cust_r_fg_offset);
__batt_meter_parse_node(np, "ocv_board_compesate",
&batt_meter_cust_data.ocv_board_compesate);
__batt_meter_parse_node(np, "r_fg_board_base",
&batt_meter_cust_data.r_fg_board_base);
__batt_meter_parse_node(np, "r_fg_board_slope",
&batt_meter_cust_data.r_fg_board_slope);
__batt_meter_parse_node(np, "car_tune_value",
&batt_meter_cust_data.car_tune_value);
__batt_meter_parse_node(np, "current_detect_r_fg",
&batt_meter_cust_data.current_detect_r_fg);
__batt_meter_parse_node(np, "minerroroffset",
&batt_meter_cust_data.minerroroffset);
__batt_meter_parse_node(np, "fg_vbat_average_size",
&batt_meter_cust_data.fg_vbat_average_size);
__batt_meter_parse_node(np, "r_fg_value",
&batt_meter_cust_data.r_fg_value);
__batt_meter_parse_node(
np, "cust_poweron_delta_capacity_tolrance",
&batt_meter_cust_data.cust_poweron_delta_capacity_tolrance);
__batt_meter_parse_node(
np, "cust_poweron_low_capacity_tolrance",
&batt_meter_cust_data.cust_poweron_low_capacity_tolrance);
__batt_meter_parse_node(
np, "cust_poweron_max_vbat_tolrance",
&batt_meter_cust_data.cust_poweron_max_vbat_tolrance);
__batt_meter_parse_node(
np, "cust_poweron_delta_vbat_tolrance",
&batt_meter_cust_data.cust_poweron_delta_vbat_tolrance);
__batt_meter_parse_node(
np, "cust_poweron_delta_hw_sw_ocv_capacity_tolrance",
&batt_meter_cust_data
.cust_poweron_delta_hw_sw_ocv_capacity_tolrance);
__batt_meter_parse_node(np, "fixed_tbat_25",
&batt_meter_cust_data.fixed_tbat_25);
__batt_meter_parse_node(np, "vbat_normal_wakeup",
&batt_meter_cust_data.vbat_normal_wakeup);
__batt_meter_parse_node(np, "vbat_low_power_wakeup",
&batt_meter_cust_data.vbat_low_power_wakeup);
__batt_meter_parse_node(np, "normal_wakeup_period",
&batt_meter_cust_data.normal_wakeup_period);
__batt_meter_parse_node(np, "low_power_wakeup_period",
&batt_meter_cust_data.low_power_wakeup_period);
__batt_meter_parse_node(
np, "close_poweroff_wakeup_period",
&batt_meter_cust_data.close_poweroff_wakeup_period);
__batt_meter_parse_node(np, "vbat_remove_detection",
&batt_meter_cust_data.vbat_remove_detection);
of_node_put(np);
return 0;
}
#endif
int batt_meter_init_cust_data(void)
{
static int init_done;
if (init_done == 1)
return 0;
init_done = 1;
__batt_meter_init_cust_data_from_cust_header();
#if defined(BATTERY_DTS_SUPPORT) && defined(CONFIG_OF)
bm_print(BM_LOG_CRTI, "battery meter custom init by DTS\n");
__batt_meter_init_cust_data_from_dt();
#endif
return 0;
}
/* ============================================================ // */
int get_r_fg_value(void)
{
return batt_meter_cust_data.r_fg_value +
batt_meter_cust_data.cust_r_fg_offset;
}
#ifdef MTK_MULTI_BAT_PROFILE_SUPPORT
int BattThermistorConverTemp(int Res)
{
int i = 0;
int RES1 = 0, RES2 = 0;
int TBatt_Value = -200, TMP1 = 0, TMP2 = 0;
BATT_TEMPERATURE *batt_temperature_table =
&Batt_Temperature_Table[g_fg_battery_id];
if (Res >= batt_temperature_table[0].TemperatureR) {
TBatt_Value = -20;
} else if (Res <= batt_temperature_table[16].TemperatureR) {
TBatt_Value = 60;
} else {
RES1 = batt_temperature_table[0].TemperatureR;
TMP1 = batt_temperature_table[0].BatteryTemp;
for (i = 0; i <= 16; i++) {
if (Res < batt_temperature_table[i].TemperatureR) {
RES1 = batt_temperature_table[i].TemperatureR;
TMP1 = batt_temperature_table[i].BatteryTemp;
} else {
RES2 = batt_temperature_table[i].TemperatureR;
TMP2 = batt_temperature_table[i].BatteryTemp;
break;
}
}
TBatt_Value = (((Res - RES2) * TMP1) + ((RES1 - Res) * TMP2)) /
(RES1 - RES2);
}
return TBatt_Value;
}
signed int fgauge_get_Q_max(signed short temperature)
{
signed int ret_Q_max = 0;
signed int low_temperature = 0, high_temperature = 0;
signed int low_Q_max = 0, high_Q_max = 0;
if (temperature <= batt_meter_cust_data.temperature_t1) {
low_temperature = (-10);
low_Q_max = g_Q_MAX_NEG_10[g_fg_battery_id];
high_temperature = batt_meter_cust_data.temperature_t1;
high_Q_max = g_Q_MAX_POS_0[g_fg_battery_id];
if (temperature < low_temperature)
temperature = low_temperature;
} else if (temperature <= batt_meter_cust_data.temperature_t2) {
low_temperature = batt_meter_cust_data.temperature_t1;
low_Q_max = g_Q_MAX_POS_0[g_fg_battery_id];
high_temperature = batt_meter_cust_data.temperature_t2;
high_Q_max = g_Q_MAX_POS_25[g_fg_battery_id];
if (temperature < low_temperature)
temperature = low_temperature;
} else {
low_temperature = batt_meter_cust_data.temperature_t2;
low_Q_max = g_Q_MAX_POS_25[g_fg_battery_id];
high_temperature = batt_meter_cust_data.temperature_t3;
high_Q_max = g_Q_MAX_POS_50[g_fg_battery_id];
if (temperature > high_temperature)
temperature = high_temperature;
}
ret_Q_max =
low_Q_max +
(((temperature - low_temperature) * (high_Q_max - low_Q_max)) /
(high_temperature - low_temperature));
bm_print(BM_LOG_FULL, "[%s] Q_max = %d\r\n",
__func__, ret_Q_max);
return ret_Q_max;
}
signed int fgauge_get_Q_max_high_current(signed short temperature)
{
signed int ret_Q_max = 0;
signed int low_temperature = 0, high_temperature = 0;
signed int low_Q_max = 0, high_Q_max = 0;
if (temperature <= batt_meter_cust_data.temperature_t1) {
low_temperature = (-10);
low_Q_max = g_Q_MAX_NEG_10_H_CURRENT[g_fg_battery_id];
high_temperature = batt_meter_cust_data.temperature_t1;
high_Q_max = g_Q_MAX_POS_0_H_CURRENT[g_fg_battery_id];
if (temperature < low_temperature)
temperature = low_temperature;
} else if (temperature <= batt_meter_cust_data.temperature_t2) {
low_temperature = batt_meter_cust_data.temperature_t1;
low_Q_max = g_Q_MAX_POS_0_H_CURRENT[g_fg_battery_id];
high_temperature = batt_meter_cust_data.temperature_t2;
high_Q_max = g_Q_MAX_POS_25_H_CURRENT[g_fg_battery_id];
if (temperature < low_temperature)
temperature = low_temperature;
} else {
low_temperature = batt_meter_cust_data.temperature_t2;
low_Q_max = g_Q_MAX_POS_25_H_CURRENT[g_fg_battery_id];
high_temperature = batt_meter_cust_data.temperature_t3;
high_Q_max = g_Q_MAX_POS_50_H_CURRENT[g_fg_battery_id];
if (temperature > high_temperature)
temperature = high_temperature;
}
ret_Q_max =
low_Q_max +
(((temperature - low_temperature) * (high_Q_max - low_Q_max)) /
(high_temperature - low_temperature));
bm_print(BM_LOG_FULL, "[%s] Q_max = %d\r\n",
__func__, ret_Q_max);
return ret_Q_max;
}
#else
int BattThermistorConverTemp(int Res)
{
int i = 0;
int RES1 = 0, RES2 = 0;
int TBatt_Value = -200, TMP1 = 0, TMP2 = 0;
if (Res >= Batt_Temperature_Table[0].TemperatureR) {
TBatt_Value = -20;
} else if (Res <= Batt_Temperature_Table[16].TemperatureR) {
TBatt_Value = 60;
} else {
RES1 = Batt_Temperature_Table[0].TemperatureR;
TMP1 = Batt_Temperature_Table[0].BatteryTemp;
for (i = 0; i <= 16; i++) {
if (Res < Batt_Temperature_Table[i].TemperatureR) {
RES1 = Batt_Temperature_Table[i].TemperatureR;
TMP1 = Batt_Temperature_Table[i].BatteryTemp;
} else {
RES2 = Batt_Temperature_Table[i].TemperatureR;
TMP2 = Batt_Temperature_Table[i].BatteryTemp;
break;
}
}
TBatt_Value = (((Res - RES2) * TMP1) + ((RES1 - Res) * TMP2)) /
(RES1 - RES2);
}
return TBatt_Value;
}
signed int fgauge_get_Q_max(signed short temperature)
{
signed int ret_Q_max = 0;
signed int low_temperature = 0, high_temperature = 0;
signed int low_Q_max = 0, high_Q_max = 0;
if (temperature <= batt_meter_cust_data.temperature_t1) {
low_temperature = (-10);
low_Q_max = batt_meter_cust_data.q_max_neg_10;
high_temperature = batt_meter_cust_data.temperature_t1;
high_Q_max = batt_meter_cust_data.q_max_pos_0;
if (temperature < low_temperature)
temperature = low_temperature;
} else if (temperature <= batt_meter_cust_data.temperature_t2) {
low_temperature = batt_meter_cust_data.temperature_t1;
low_Q_max = batt_meter_cust_data.q_max_pos_0;
high_temperature = batt_meter_cust_data.temperature_t2;
high_Q_max = batt_meter_cust_data.q_max_pos_25;
if (temperature < low_temperature)
temperature = low_temperature;
} else {
low_temperature = batt_meter_cust_data.temperature_t2;
low_Q_max = batt_meter_cust_data.q_max_pos_25;
high_temperature = batt_meter_cust_data.temperature_t3;
high_Q_max = batt_meter_cust_data.q_max_pos_50;
if (temperature > high_temperature)
temperature = high_temperature;
}
ret_Q_max =
low_Q_max +
(((temperature - low_temperature) * (high_Q_max - low_Q_max)) /
(high_temperature - low_temperature));
bm_print(BM_LOG_FULL, "[%s] Q_max = %d\r\n", __func__,
ret_Q_max);
return ret_Q_max;
}
signed int fgauge_get_Q_max_high_current(signed short temperature)
{
signed int ret_Q_max = 0;
signed int low_temperature = 0, high_temperature = 0;
signed int low_Q_max = 0, high_Q_max = 0;
if (temperature <= batt_meter_cust_data.temperature_t1) {
low_temperature = (-10);
low_Q_max = batt_meter_cust_data.q_max_neg_10_h_current;
high_temperature = batt_meter_cust_data.temperature_t1;
high_Q_max = batt_meter_cust_data.q_max_pos_0_h_current;
if (temperature < low_temperature)
temperature = low_temperature;
} else if (temperature <= batt_meter_cust_data.temperature_t2) {
low_temperature = batt_meter_cust_data.temperature_t1;
low_Q_max = batt_meter_cust_data.q_max_pos_0_h_current;
high_temperature = batt_meter_cust_data.temperature_t2;
high_Q_max = batt_meter_cust_data.q_max_pos_25_h_current;
if (temperature < low_temperature)
temperature = low_temperature;
} else {
low_temperature = batt_meter_cust_data.temperature_t2;
low_Q_max = batt_meter_cust_data.q_max_pos_25_h_current;
high_temperature = batt_meter_cust_data.temperature_t3;
high_Q_max = batt_meter_cust_data.q_max_pos_50_h_current;
if (temperature > high_temperature)
temperature = high_temperature;
}
ret_Q_max =
low_Q_max +
(((temperature - low_temperature) * (high_Q_max - low_Q_max)) /
(high_temperature - low_temperature));
bm_print(BM_LOG_FULL, "[%s] Q_max = %d\r\n",
__func__, ret_Q_max);
return ret_Q_max;
}
#endif
int BattVoltToTemp(int dwVolt)
{
unsigned long long TRes_temp;
unsigned long long TRes;
int sBaTTMP = -100;
/* TRes_temp = ((long long)RBAT_PULL_UP_R*(long long)dwVolt) */
/* (RBAT_PULL_UP_VOLT-dwVolt); */
/* TRes = (TRes_temp * (long long)RBAT_PULL_DOWN_R)/((long */
/* long)RBAT_PULL_DOWN_R - TRes_temp); */
TRes_temp = (batt_meter_cust_data.rbat_pull_up_r * (long long)dwVolt);
do_div(TRes_temp, (batt_meter_cust_data.rbat_pull_up_volt - dwVolt));
#ifdef RBAT_PULL_DOWN_R
TRes = (TRes_temp * RBAT_PULL_DOWN_R);
do_div(TRes, abs(RBAT_PULL_DOWN_R - TRes_temp));
#else
TRes = TRes_temp;
#endif
/* convert register to temperature */
sBaTTMP = BattThermistorConverTemp((int)TRes);
return sBaTTMP;
}
int force_get_tbat(enum kal_bool update)
{
#if defined(CONFIG_POWER_EXT) || defined(FIXED_TBAT_25)
bm_print(BM_LOG_CRTI, "[%s] fixed TBAT=25 t\n", __func__);
return 25;
#else
int bat_temperature_volt = 0;
int bat_temperature_val = 0;
static int pre_bat_temperature_val = -1;
int fg_r_value = 0;
signed int fg_current_temp = 0;
enum kal_bool fg_current_state = KAL_FALSE;
int bat_temperature_volt_temp = 0;
int ret = 0;
if (batt_meter_cust_data.fixed_tbat_25) {
bm_print(BM_LOG_CRTI, "[%s] fixed TBAT=25 t\n", __func__);
return 25;
}
if (update == KAL_TRUE || pre_bat_temperature_val == -1) {
/* Get V_BAT_Temperature */
bat_temperature_volt = 2;
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_BAT_TEMP,
&bat_temperature_volt);
if (bat_temperature_volt != 0) {
#if defined(SOC_BY_HW_FG)
fg_r_value = get_r_fg_value();
ret = battery_meter_ctrl(
BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&fg_current_temp);
ret = battery_meter_ctrl(
BATTERY_METER_CMD_GET_HW_FG_CURRENT_SIGN,
&fg_current_state);
fg_current_temp = fg_current_temp / 10;
if (fg_current_state == KAL_TRUE) {
bat_temperature_volt_temp =
bat_temperature_volt;
bat_temperature_volt =
bat_temperature_volt -
((fg_current_temp * fg_r_value) / 1000);
} else {
bat_temperature_volt_temp =
bat_temperature_volt;
bat_temperature_volt =
bat_temperature_volt +
((fg_current_temp * fg_r_value) / 1000);
}
#endif
bat_temperature_val =
BattVoltToTemp(bat_temperature_volt);
}
#ifdef CONFIG_MTK_BIF_SUPPORT
battery_charging_control(CHARGING_CMD_GET_BIF_TBAT,
&bat_temperature_val);
#endif
bm_print(BM_LOG_CRTI, "[%s] %d,%d,%d,%d,%d,%d\n",
__func__,
bat_temperature_volt_temp, bat_temperature_volt,
fg_current_state, fg_current_temp, fg_r_value,
bat_temperature_val);
pre_bat_temperature_val = bat_temperature_val;
if (bat_temperature_val > 55)
pr_notice("[%s] %d,%d,%d,%d,%d,%d\n",
__func__,
bat_temperature_volt_temp,
bat_temperature_volt, fg_current_state,
fg_current_temp, fg_r_value,
bat_temperature_val);
} else {
bat_temperature_val = pre_bat_temperature_val;
}
return bat_temperature_val;
#endif
}
EXPORT_SYMBOL(force_get_tbat);
#ifdef MTK_MULTI_BAT_PROFILE_SUPPORT
int fgauge_get_saddles(void)
{
return sizeof(battery_profile_temperature) /
sizeof(BATTERY_PROFILE_STRUCT);
}
int fgauge_get_saddles_r_table(void)
{
return sizeof(r_profile_temperature) / sizeof(R_PROFILE_STRUCT);
}
struct battery_profile_struct *fgauge_get_profile(unsigned int temperature)
{
switch (temperature) {
case batt_meter_cust_data.temperature_t0:
return &battery_profile_t0[g_fg_battery_id][0];
/*break;*/
case batt_meter_cust_data.temperature_t1:
return &battery_profile_t1[g_fg_battery_id][0];
/*break;*/
case batt_meter_cust_data.temperature_t2:
return &battery_profile_t2[g_fg_battery_id][0];
/*break;*/
case batt_meter_cust_data.temperature_t3:
return &battery_profile_t3[g_fg_battery_id][0];
/*break;*/
case batt_meter_cust_data.temperature_t:
return &battery_profile_temperature[0];
/*break;*/
default:
return NULL;
/*break;*/
}
}
struct r_profile_struct *fgauge_get_profile_r_table(unsigned int temperature)
{
switch (temperature) {
case batt_meter_cust_data.temperature_t0:
return &r_profile_t0[g_fg_battery_id][0];
/*break;*/
case batt_meter_cust_data.temperature_t1:
return &r_profile_t1[g_fg_battery_id][0];
/*break;*/
case batt_meter_cust_data.temperature_t2:
return &r_profile_t2[g_fg_battery_id][0];
/*break;*/
case batt_meter_cust_data.temperature_t3:
return &r_profile_t3[g_fg_battery_id][0];
/*break;*/
case batt_meter_cust_data.temperature_t:
return &r_profile_temperature[0];
/*break;*/
default:
return NULL;
/*break;*/
}
}
#else
int fgauge_get_saddles(void)
{
return sizeof(battery_profile_t2) / sizeof(BATTERY_PROFILE_STRUCT);
}
int fgauge_get_saddles_r_table(void)
{
return sizeof(r_profile_t2) / sizeof(R_PROFILE_STRUCT);
}
struct battery_profile_struct *fgauge_get_profile(unsigned int temperature)
{
if (temperature == batt_meter_cust_data.temperature_t0)
return &battery_profile_t0[0];
if (temperature == batt_meter_cust_data.temperature_t1)
return &battery_profile_t1[0];
if (temperature == batt_meter_cust_data.temperature_t2)
return &battery_profile_t2[0];
if (temperature == batt_meter_cust_data.temperature_t3)
return &battery_profile_t3[0];
if (temperature == batt_meter_cust_data.temperature_t)
return &battery_profile_temperature[0];
return NULL;
}
struct r_profile_struct *fgauge_get_profile_r_table(unsigned int temperature)
{
if (temperature == batt_meter_cust_data.temperature_t0)
return &r_profile_t0[0];
if (temperature == batt_meter_cust_data.temperature_t1)
return &r_profile_t1[0];
if (temperature == batt_meter_cust_data.temperature_t2)
return &r_profile_t2[0];
if (temperature == batt_meter_cust_data.temperature_t3)
return &r_profile_t3[0];
if (temperature == batt_meter_cust_data.temperature_t)
return &r_profile_temperature[0];
return NULL;
}
#endif
signed int fgauge_read_capacity_by_v(signed int voltage)
{
int i = 0, saddles = 0;
struct battery_profile_struct *profile_p;
signed int ret_percent = 0;
profile_p = fgauge_get_profile(batt_meter_cust_data.temperature_t);
if (profile_p == NULL) {
bm_print(BM_LOG_CRTI,
"[FGADC] fgauge get ZCV profile : fail !\r\n");
return 100;
}
saddles = fgauge_get_saddles();
if (voltage > (profile_p + 0)->voltage)
return 100; /* battery capacity, not dod */
if (voltage < (profile_p + saddles - 1)->voltage)
return 0; /* battery capacity, not dod */
for (i = 0; i < saddles - 1; i++) {
if ((voltage <= (profile_p + i)->voltage) &&
(voltage >= (profile_p + i + 1)->voltage)) {
ret_percent = (profile_p + i)->percentage +
(((((profile_p + i)->voltage) - voltage) *
(((profile_p + i + 1)->percentage) -
((profile_p + i)->percentage))) /
(((profile_p + i)->voltage) -
((profile_p + i + 1)->voltage)));
break;
}
}
ret_percent = 100 - ret_percent;
return ret_percent;
}
signed int fgauge_read_v_by_capacity(int bat_capacity)
{
int i = 0, saddles = 0;
struct battery_profile_struct *profile_p;
signed int ret_volt = 0;
profile_p = fgauge_get_profile(batt_meter_cust_data.temperature_t);
if (profile_p == NULL) {
bm_print(
BM_LOG_CRTI,
"[%s] fgauge get ZCV profile : fail !\r\n",
__func__);
return 3700;
}
saddles = fgauge_get_saddles();
if (bat_capacity < (profile_p + 0)->percentage)
return 3700;
if (bat_capacity > (profile_p + saddles - 1)->percentage)
return 3700;
for (i = 0; i < saddles - 1; i++) {
if ((bat_capacity >= (profile_p + i)->percentage) &&
(bat_capacity <= (profile_p + i + 1)->percentage)) {
ret_volt = (profile_p + i)->voltage -
(((bat_capacity -
((profile_p + i)->percentage)) *
(((profile_p + i)->voltage) -
((profile_p + i + 1)->voltage))) /
(((profile_p + i + 1)->percentage) -
((profile_p + i)->percentage)));
break;
}
}
return ret_volt;
}
signed int fgauge_read_d_by_v(signed int volt_bat)
{
int i = 0, saddles = 0;
struct battery_profile_struct *profile_p;
signed int ret_d = 0;
profile_p = fgauge_get_profile(batt_meter_cust_data.temperature_t);
if (profile_p == NULL) {
bm_print(BM_LOG_CRTI,
"[FGADC] fgauge get ZCV profile : fail !\r\n");
return 100;
}
saddles = fgauge_get_saddles();
if (volt_bat > (profile_p + 0)->voltage)
return 0;
if (volt_bat < (profile_p + saddles - 1)->voltage)
return 100;
for (i = 0; i < saddles - 1; i++) {
if ((volt_bat <= (profile_p + i)->voltage) &&
(volt_bat >= (profile_p + i + 1)->voltage)) {
ret_d = (profile_p + i)->percentage +
(((((profile_p + i)->voltage) - volt_bat) *
(((profile_p + i + 1)->percentage) -
((profile_p + i)->percentage))) /
(((profile_p + i)->voltage) -
((profile_p + i + 1)->voltage)));
break;
}
}
return ret_d;
}
signed int fgauge_read_v_by_d(int d_val)
{
int i = 0, saddles = 0;
struct battery_profile_struct *profile_p;
signed int ret_volt = 0;
profile_p = fgauge_get_profile(batt_meter_cust_data.temperature_t);
if (profile_p == NULL) {
bm_print(
BM_LOG_CRTI,
"[fgauge_read_v_by_capacity] fgauge get ZCV profile : fail !\r\n");
return 3700;
}
saddles = fgauge_get_saddles();
if (d_val < (profile_p + 0)->percentage)
return 3700;
if (d_val > (profile_p + saddles - 1)->percentage)
return 3700;
for (i = 0; i < saddles - 1; i++) {
if ((d_val >= (profile_p + i)->percentage) &&
(d_val <= (profile_p + i + 1)->percentage)) {
ret_volt = (profile_p + i)->voltage -
(((d_val - ((profile_p + i)->percentage)) *
(((profile_p + i)->voltage) -
((profile_p + i + 1)->voltage))) /
(((profile_p + i + 1)->percentage) -
((profile_p + i)->percentage)));
break;
}
}
return ret_volt;
}
signed int fgauge_read_r_bat_by_v(signed int voltage)
{
int i = 0, saddles = 0;
struct r_profile_struct *profile_p;
signed int ret_r = 0;
profile_p =
fgauge_get_profile_r_table(batt_meter_cust_data.temperature_t);
if (profile_p == NULL) {
bm_print(BM_LOG_CRTI,
"[FGADC] fgauge get R-Table profile : fail !\r\n");
return 170;
}
saddles = fgauge_get_saddles_r_table();
if (voltage > (profile_p + 0)->voltage)
return (profile_p + 0)->resistance;
if (voltage < (profile_p + saddles - 1)->voltage)
return (profile_p + saddles - 1)->resistance;
for (i = 0; i < saddles - 1; i++) {
if ((voltage <= (profile_p + i)->voltage) &&
(voltage >= (profile_p + i + 1)->voltage)) {
ret_r = (profile_p + i)->resistance +
(((((profile_p + i)->voltage) - voltage) *
(((profile_p + i + 1)->resistance) -
((profile_p + i)->resistance))) /
(((profile_p + i)->voltage) -
((profile_p + i + 1)->voltage)));
break;
}
}
return ret_r;
}
void fgauge_construct_battery_profile_init(void)
{
struct battery_profile_struct *temp_profile_p;
struct battery_profile_struct *profile_p[PROFILE_SIZE];
int i, j, saddles, profile_index;
signed int low_p = 0, high_p = 0, now_p = 0, low_vol = 0, high_vol = 0;
profile_p[0] = fgauge_get_profile(batt_meter_cust_data.temperature_t0);
profile_p[1] = fgauge_get_profile(batt_meter_cust_data.temperature_t1);
profile_p[2] = fgauge_get_profile(batt_meter_cust_data.temperature_t2);
profile_p[3] = fgauge_get_profile(batt_meter_cust_data.temperature_t3);
saddles = fgauge_get_saddles();
temp_profile_p = kmalloc(51 * sizeof(*temp_profile_p), GFP_KERNEL);
if (temp_profile_p != NULL)
memset(temp_profile_p, 0, 51 * sizeof(*temp_profile_p));
for (i = 0; i < PROFILE_SIZE; i++) {
profile_index = 0;
for (j = 0; j * 2 <= 100; j++) {
while (profile_index < saddles && profile_index >= 0) {
if (((profile_p[i] + profile_index)
->percentage) < j * 2) {
profile_index++;
continue;
} else if (((profile_p[i] + profile_index)
->percentage) == j * 2) {
if (temp_profile_p != NULL) {
(temp_profile_p + j)->voltage =
(profile_p[i] +
profile_index)
->voltage;
(temp_profile_p +
j)->percentage =
(profile_p[i] +
profile_index)
->percentage;
}
break;
}
low_p = (profile_p[i] + profile_index -
1)->percentage;
high_p = (profile_p[i] + profile_index)
->percentage;
now_p = j * 2;
low_vol =
(profile_p[i] + profile_index)->voltage;
high_vol = (profile_p[i] + profile_index -
1)->voltage;
if (temp_profile_p != NULL) {
(temp_profile_p + j)->voltage =
(low_vol * 1000 +
((high_vol - low_vol) * 1000 *
(now_p - low_p) /
(high_p - low_p))) /
1000;
(temp_profile_p + j)->percentage =
j * 2;
}
break;
}
if (temp_profile_p != NULL) {
bm_print(BM_LOG_CRTI,
"new battery_profile[%d,%d] <%d,%d>\n",
i, j, (temp_profile_p + j)->percentage,
(temp_profile_p + j)->voltage);
}
}
for (j = 0; j * 2 <= 100; j++) {
if (temp_profile_p != NULL) {
(profile_p[i] + j)->voltage =
(temp_profile_p + j)->voltage;
(profile_p[i] + j)->percentage =
(temp_profile_p + j)->percentage;
}
}
}
if (temp_profile_p != NULL)
kfree(temp_profile_p);
}
void fgauge_construct_battery_profile(
signed int temperature, struct battery_profile_struct *temp_profile_p)
{
struct battery_profile_struct *low_profile_p;
struct battery_profile_struct *high_profile_p;
signed int low_temperature, high_temperature;
int i, saddles;
signed int temp_v_1 = 0, temp_v_2 = 0;
if (temperature <= batt_meter_cust_data.temperature_t1) {
low_profile_p =
fgauge_get_profile(batt_meter_cust_data.temperature_t0);
high_profile_p =
fgauge_get_profile(batt_meter_cust_data.temperature_t1);
low_temperature = (-10);
high_temperature = batt_meter_cust_data.temperature_t1;
if (temperature < low_temperature)
temperature = low_temperature;
} else if (temperature <= batt_meter_cust_data.temperature_t2) {
low_profile_p =
fgauge_get_profile(batt_meter_cust_data.temperature_t1);
high_profile_p =
fgauge_get_profile(batt_meter_cust_data.temperature_t2);
low_temperature = batt_meter_cust_data.temperature_t1;
high_temperature = batt_meter_cust_data.temperature_t2;
if (temperature < low_temperature)
temperature = low_temperature;
} else {
low_profile_p =
fgauge_get_profile(batt_meter_cust_data.temperature_t2);
high_profile_p =
fgauge_get_profile(batt_meter_cust_data.temperature_t3);
low_temperature = batt_meter_cust_data.temperature_t2;
high_temperature = batt_meter_cust_data.temperature_t3;
if (temperature > high_temperature)
temperature = high_temperature;
}
saddles = fgauge_get_saddles();
for (i = 0; i < saddles; i++) {
if (((high_profile_p + i)->voltage) >
((low_profile_p + i)->voltage)) {
temp_v_1 = (high_profile_p + i)->voltage;
temp_v_2 = (low_profile_p + i)->voltage;
(temp_profile_p + i)->voltage =
temp_v_2 +
(((temperature - low_temperature) *
(temp_v_1 - temp_v_2)) /
(high_temperature - low_temperature));
} else {
temp_v_1 = (low_profile_p + i)->voltage;
temp_v_2 = (high_profile_p + i)->voltage;
(temp_profile_p + i)->voltage =
temp_v_2 +
(((high_temperature - temperature) *
(temp_v_1 - temp_v_2)) /
(high_temperature - low_temperature));
}
(temp_profile_p + i)->percentage =
(high_profile_p + i)->percentage;
#if 0
(temp_profile_p + i)->voltage = temp_v_2 +
(((temperature - low_temperature) * (temp_v_1 - temp_v_2)
) / (high_temperature - low_temperature)
);
#endif
}
/* Dumpt new battery profile */
/* for (i = 0; i < saddles; i++) { */
/* bm_print(BM_LOG_CRTI, "<DOD,Voltage> at %d = <%d,%d>\r\n", */
/* temperature, (temp_profile_p + i)->percentage, */
/* (temp_profile_p + i)->voltage); */
/* } */
}
void fgauge_construct_r_table_profile(signed int temperature,
struct r_profile_struct *temp_profile_p)
{
struct r_profile_struct *low_profile_p;
struct r_profile_struct *high_profile_p;
signed int low_temperature, high_temperature;
int i, saddles;
signed int temp_v_1 = 0, temp_v_2 = 0;
signed int temp_r_1 = 0, temp_r_2 = 0;
if (temperature <= batt_meter_cust_data.temperature_t1) {
low_profile_p = fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t0);
high_profile_p = fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t1);
low_temperature = (-10);
high_temperature = batt_meter_cust_data.temperature_t1;
if (temperature < low_temperature)
temperature = low_temperature;
} else if (temperature <= batt_meter_cust_data.temperature_t2) {
low_profile_p = fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t1);
high_profile_p = fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t2);
low_temperature = batt_meter_cust_data.temperature_t1;
high_temperature = batt_meter_cust_data.temperature_t2;
if (temperature < low_temperature)
temperature = low_temperature;
} else {
low_profile_p = fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t2);
high_profile_p = fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t3);
low_temperature = batt_meter_cust_data.temperature_t2;
high_temperature = batt_meter_cust_data.temperature_t3;
if (temperature > high_temperature)
temperature = high_temperature;
}
saddles = fgauge_get_saddles_r_table();
/* Interpolation for V_BAT */
for (i = 0; i < saddles; i++) {
if (((high_profile_p + i)->voltage) >
((low_profile_p + i)->voltage)) {
temp_v_1 = (high_profile_p + i)->voltage;
temp_v_2 = (low_profile_p + i)->voltage;
(temp_profile_p + i)->voltage =
temp_v_2 +
(((temperature - low_temperature) *
(temp_v_1 - temp_v_2)) /
(high_temperature - low_temperature));
} else {
temp_v_1 = (low_profile_p + i)->voltage;
temp_v_2 = (high_profile_p + i)->voltage;
(temp_profile_p + i)->voltage =
temp_v_2 +
(((high_temperature - temperature) *
(temp_v_1 - temp_v_2)) /
(high_temperature - low_temperature));
}
}
/* Interpolation for R_BAT */
for (i = 0; i < saddles; i++) {
if (((high_profile_p + i)->resistance) >
((low_profile_p + i)->resistance)) {
temp_r_1 = (high_profile_p + i)->resistance;
temp_r_2 = (low_profile_p + i)->resistance;
(temp_profile_p + i)->resistance =
temp_r_2 +
(((temperature - low_temperature) *
(temp_r_1 - temp_r_2)) /
(high_temperature - low_temperature));
} else {
temp_r_1 = (low_profile_p + i)->resistance;
temp_r_2 = (high_profile_p + i)->resistance;
(temp_profile_p + i)->resistance =
temp_r_2 +
(((high_temperature - temperature) *
(temp_r_1 - temp_r_2)) /
(high_temperature - low_temperature));
}
}
/* Dumpt new r-table profile */
#if defined(BATTERY_DEBUG)
for (i = 0; i < saddles; i++) {
bm_print(BM_LOG_CRTI, "<Rbat,VBAT> at %d = <%d,%d>\r\n",
temperature, (temp_profile_p + i)->resistance,
(temp_profile_p + i)->voltage);
}
#endif
}
void fgauge_construct_table_by_temp(void)
{
#if defined(CONFIG_POWER_EXT)
#else
unsigned int i;
static signed int init_temp = KAL_TRUE;
static signed int curr_temp, last_temp, avg_temp;
static signed int battTempBuffer[TEMP_AVERAGE_SIZE];
static signed int temperature_sum;
static unsigned char tempIndex;
curr_temp = battery_meter_get_battery_temperature();
/* Temperature window init */
if (init_temp == KAL_TRUE) {
for (i = 0; i < TEMP_AVERAGE_SIZE; i++)
battTempBuffer[i] = curr_temp;
last_temp = curr_temp;
temperature_sum = curr_temp * TEMP_AVERAGE_SIZE;
init_temp = KAL_FALSE;
}
/* Temperature sliding window */
temperature_sum -= battTempBuffer[tempIndex];
temperature_sum += curr_temp;
battTempBuffer[tempIndex] = curr_temp;
avg_temp = (temperature_sum) / TEMP_AVERAGE_SIZE;
if (avg_temp != last_temp) {
bm_print(
BM_LOG_FULL,
"[%s] reconstruct table by temperature change from (%d) to (%d)\r\n",
__func__, last_temp, avg_temp);
fgauge_construct_r_table_profile(
curr_temp, fgauge_get_profile_r_table(
batt_meter_cust_data.temperature_t));
fgauge_construct_battery_profile(
curr_temp,
fgauge_get_profile(batt_meter_cust_data.temperature_t));
last_temp = avg_temp;
temperature_change = 1;
}
tempIndex = (tempIndex + 1) % TEMP_AVERAGE_SIZE;
#endif
}
void fg_qmax_update_for_aging(void)
{
#if defined(CONFIG_POWER_EXT)
#else
enum kal_bool hw_charging_done = bat_is_charging_full();
if (hw_charging_done ==
KAL_TRUE) { /* charging full, g_HW_Charging_Done == 1 */
if (gFG_DOD0 > 85) {
if (gFG_columb < 0)
gFG_columb =
gFG_columb -
gFG_columb * 2; /* absolute value */
gFG_BATT_CAPACITY_aging =
(((gFG_columb * 1000) + (5 * gFG_DOD0)) /
gFG_DOD0) /
10;
/* tuning */
gFG_BATT_CAPACITY_aging =
(gFG_BATT_CAPACITY_aging * 100) /
batt_meter_cust_data.aging_tuning_value;
if (gFG_BATT_CAPACITY_aging == 0) {
gFG_BATT_CAPACITY_aging = fgauge_get_Q_max(
battery_meter_get_battery_temperature());
bm_print(
BM_LOG_CRTI,
"[%s] error, restore gFG_BATT_CAPACITY_aging (%d)\n",
__func__, gFG_BATT_CAPACITY_aging);
}
bm_print(
BM_LOG_CRTI,
"[%s] need update : gFG_columb=%d, gFG_DOD0=%d, new_qmax=%d\r\n",
__func__, gFG_columb, gFG_DOD0,
gFG_BATT_CAPACITY_aging);
} else {
bm_print(
BM_LOG_CRTI,
"[%s] no update : gFG_columb=%d, gFG_DOD0=%d, new_qmax=%d\r\n",
__func__, gFG_columb, gFG_DOD0,
gFG_BATT_CAPACITY_aging);
}
} else {
bm_print(BM_LOG_CRTI,
"[%s] hw_charging_done=%d\r\n",
__func__, hw_charging_done);
}
#endif
}
#if defined(SW_OAM_INIT_V2)
char bootbuf[100];
void sw_oam_init_v2(void)
{
int ret = 0;
int plugout_status = 0;
int type = 0;
/* use get_hw_ocv-------------------------------------------------- */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_OCV, &gFG_voltage);
gFG_capacity_by_v = fgauge_read_capacity_by_v(gFG_voltage);
#if defined(CONFIG_POWER_EXT)
g_rtc_fg_soc = gFG_capacity_by_v;
#else
g_rtc_fg_soc = mtk_misc_get_spare_fg_value();
#endif
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_BATTERY_PLUG_STATUS,
&plugout_status);
if (plugout_status == 0 && bat_is_charger_exist() == KAL_FALSE) {
if (g_rtc_fg_soc == 0) {
/* g_booting_vbat */
gFG_capacity_by_v = gFG_capacity_by_v_init;
type = 1;
} else {
gFG_capacity_by_v = g_rtc_fg_soc;
type = 2;
}
} else {
if ((abs(gFG_capacity_by_v - g_rtc_fg_soc) >
batt_meter_cust_data
.cust_poweron_delta_capacity_tolrance) &&
(abs(gFG_capacity_by_v - gFG_capacity_by_v_init) <
abs(gFG_capacity_by_v_init - g_rtc_fg_soc))) {
if (abs(gFG_capacity_by_v - gFG_capacity_by_v_init) >
batt_meter_cust_data
.cust_poweron_delta_hw_sw_ocv_capacity_tolrance) {
gFG_capacity_by_v = gFG_capacity_by_v_init;
type = 3;
} else {
/* use hw ocv; */
type = 4;
}
} else {
if ((abs(g_rtc_fg_soc - gFG_capacity_by_v_init) >
batt_meter_cust_data
.cust_poweron_delta_hw_sw_ocv_capacity_tolrance) ||
g_rtc_fg_soc == 0) {
gFG_capacity_by_v = gFG_capacity_by_v_init;
type = 5;
} else {
gFG_capacity_by_v = g_rtc_fg_soc;
type = 6;
}
}
}
bm_print(
BM_LOG_CRTI,
"[%s] swocv:%d(%d) hwocv:%d(%d) rtc:%d plugout_status=%d chr:%d type:%d f:%d %d %d\n",
__func__, g_booting_vbat, gFG_capacity_by_v_init, gFG_voltage,
gFG_capacity_by_v, g_rtc_fg_soc, plugout_status,
bat_is_charger_exist(), type, gFG_capacity_by_v,
batt_meter_cust_data.cust_poweron_delta_capacity_tolrance,
batt_meter_cust_data
.cust_poweron_delta_hw_sw_ocv_capacity_tolrance);
sprintf(bootbuf,
"[%s] swocv:%d(%d) hwocv:%d(%d) rtc:%d plugout_status=%d chr:%d type:%d f:%d %d %d\n",
__func__, g_booting_vbat, gFG_capacity_by_v_init, gFG_voltage,
gFG_capacity_by_v, g_rtc_fg_soc, plugout_status,
bat_is_charger_exist(), type, gFG_capacity_by_v,
batt_meter_cust_data.cust_poweron_delta_capacity_tolrance,
batt_meter_cust_data
.cust_poweron_delta_hw_sw_ocv_capacity_tolrance);
}
#endif
void dod_init(void)
{
#if defined(SOC_BY_HW_FG)
int ret = 0;
#if defined(IS_BATTERY_REMOVE_BY_PMIC)
signed int gFG_capacity_by_sw_ocv = gFG_capacity_by_v;
#endif /* #if defined(IS_BATTERY_REMOVE_BY_PMIC) */
/* use get_hw_ocv-------------------------------------------------- */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_OCV, &gFG_voltage);
gFG_capacity_by_v = fgauge_read_capacity_by_v(gFG_voltage);
bm_print(BM_LOG_CRTI, "[FGADC] get_hw_ocv=%d, HW_SOC=%d, SW_SOC = %d\n",
gFG_voltage, gFG_capacity_by_v, gFG_capacity_by_v_init);
#if defined(EXTERNAL_SWCHR_SUPPORT)
/* compare with hw_ocv & sw_ocv, */
/* check if less than or equal to 5% tolerance */
if ((abs(gFG_capacity_by_v_init - gFG_capacity_by_v) > 5) &&
(bat_is_charger_exist() == KAL_TRUE)) {
gFG_capacity_by_v = gFG_capacity_by_v_init;
}
#endif
#if defined(HW_FG_FORCE_USE_SW_OCV)
gFG_capacity_by_v = gFG_capacity_by_v_init;
bm_print(BM_LOG_CRTI,
"[FGADC] HW_FG_FORCE_USE_SW_OCV : HW_SOC=%d, SW_SOC = %d\n",
gFG_capacity_by_v, gFG_capacity_by_v_init);
#endif
/* ---------------------------------------------------------------- */
#endif
#if defined(CONFIG_POWER_EXT)
g_rtc_fg_soc = gFG_capacity_by_v;
#else
g_rtc_fg_soc = mtk_misc_get_spare_fg_value();
#endif
#if defined(IS_BATTERY_REMOVE_BY_PMIC)
if (is_battery_remove_pmic() == 0 && (g_rtc_fg_soc != 0) &&
batt_meter_cust_data.vbat_remove_detection) {
bm_print(BM_LOG_CRTI,
"[FGADC]is_battery_remove()==0 , use rtc_fg_soc%d\n",
g_rtc_fg_soc);
gFG_capacity_by_v = g_rtc_fg_soc;
} else {
#if defined(INIT_SOC_BY_SW_SOC)
if (((g_rtc_fg_soc != 0) &&
(((abs(g_rtc_fg_soc - gFG_capacity_by_v)) <=
batt_meter_cust_data
.cust_poweron_delta_capacity_tolrance) ||
(abs(gFG_capacity_by_v_init - g_rtc_fg_soc) <
abs(gFG_capacity_by_v - gFG_capacity_by_v_init)))) ||
((g_rtc_fg_soc != 0) &&
(get_boot_reason() == BR_WDT_BY_PASS_PWK ||
get_boot_reason() == BR_WDT ||
get_boot_reason() == BR_TOOL_BY_PASS_PWK ||
get_boot_reason() == BR_2SEC_REBOOT ||
get_boot_mode() == RECOVERY_BOOT)))
#else
if (((g_rtc_fg_soc != 0) &&
(((abs(g_rtc_fg_soc - gFG_capacity_by_v)) <
batt_meter_cust_data
.cust_poweron_delta_capacity_tolrance)) &&
((gFG_capacity_by_v >
batt_meter_cust_data
.cust_poweron_low_capacity_tolrance ||
bat_is_charger_exist() == KAL_TRUE))) ||
((g_rtc_fg_soc != 0) &&
(get_boot_reason() == BR_WDT_BY_PASS_PWK ||
get_boot_reason() == BR_WDT ||
get_boot_reason() == BR_TOOL_BY_PASS_PWK ||
get_boot_reason() == BR_2SEC_REBOOT ||
get_boot_mode() == RECOVERY_BOOT)))
#endif
{
gFG_capacity_by_v = g_rtc_fg_soc;
} else {
if (abs(gFG_capacity_by_v - gFG_capacity_by_sw_ocv) >
batt_meter_cust_data
.cust_poweron_delta_hw_sw_ocv_capacity_tolrance) {
bm_print(
BM_LOG_CRTI,
"[FGADC] gFG_capacity_by_v=%d, gFG_capacity_by_sw_ocv=%d use SWOCV\n",
gFG_capacity_by_v,
gFG_capacity_by_sw_ocv);
gFG_capacity_by_v = gFG_capacity_by_sw_ocv;
} else {
bm_print(
BM_LOG_CRTI,
"[FGADC] gFG_capacity_by_v=%d, gFG_capacity_by_sw_ocv=%d use HWOCV\n",
gFG_capacity_by_v,
gFG_capacity_by_sw_ocv);
}
}
}
#else
#if defined(SOC_BY_HW_FG)
#if defined(INIT_SOC_BY_SW_SOC)
if (((g_rtc_fg_soc != 0) &&
(((abs(g_rtc_fg_soc - gFG_capacity_by_v)) <=
batt_meter_cust_data.cust_poweron_delta_capacity_tolrance) ||
(abs(gFG_capacity_by_v_init - g_rtc_fg_soc) <
abs(gFG_capacity_by_v - gFG_capacity_by_v_init)))) ||
((g_rtc_fg_soc != 0) && (get_boot_reason() == BR_WDT_BY_PASS_PWK ||
get_boot_reason() == BR_WDT ||
get_boot_reason() == BR_TOOL_BY_PASS_PWK ||
get_boot_reason() == BR_2SEC_REBOOT ||
get_boot_mode() == RECOVERY_BOOT)))
#else
if (((g_rtc_fg_soc != 0) &&
(((abs(g_rtc_fg_soc - gFG_capacity_by_v)) <
batt_meter_cust_data.cust_poweron_delta_capacity_tolrance)) &&
((gFG_capacity_by_v >
batt_meter_cust_data
.cust_poweron_low_capacity_tolrance ||
bat_is_charger_exist() == KAL_TRUE))) ||
((g_rtc_fg_soc != 0) && (get_boot_reason() == BR_WDT_BY_PASS_PWK ||
get_boot_reason() == BR_WDT ||
get_boot_reason() == BR_TOOL_BY_PASS_PWK ||
get_boot_reason() == BR_2SEC_REBOOT ||
get_boot_mode() == RECOVERY_BOOT)))
#endif
{
gFG_capacity_by_v = g_rtc_fg_soc;
}
#elif defined(SOC_BY_SW_FG)
if (((g_rtc_fg_soc != 0) &&
(((abs(g_rtc_fg_soc - gFG_capacity_by_v)) <
batt_meter_cust_data.cust_poweron_delta_capacity_tolrance) ||
(abs(g_rtc_fg_soc - g_booting_vbat) <
batt_meter_cust_data.cust_poweron_delta_capacity_tolrance)) &&
((gFG_capacity_by_v >
batt_meter_cust_data
.cust_poweron_low_capacity_tolrance ||
bat_is_charger_exist() == KAL_TRUE))) ||
((g_rtc_fg_soc != 0) && (get_boot_reason() == BR_WDT_BY_PASS_PWK ||
get_boot_reason() == BR_WDT ||
get_boot_reason() == BR_TOOL_BY_PASS_PWK ||
get_boot_reason() == BR_2SEC_REBOOT ||
get_boot_mode() == RECOVERY_BOOT))) {
gFG_capacity_by_v = g_rtc_fg_soc;
}
#endif
#endif
#if defined(SW_OAM_INIT_V2)
sw_oam_init_v2();
#endif
bm_print(BM_LOG_CRTI, "[FGADC] g_rtc_fg_soc=%d, gFG_capacity_by_v=%d\n",
g_rtc_fg_soc, gFG_capacity_by_v);
if (gFG_capacity_by_v == 0 && bat_is_charger_exist() == KAL_TRUE) {
gFG_capacity_by_v = 1;
bm_print(BM_LOG_CRTI, "[FGADC] gFG_capacity_by_v=%d\n",
gFG_capacity_by_v);
}
gFG_capacity = gFG_capacity_by_v;
gFG_capacity_by_c_init = gFG_capacity;
gFG_capacity_by_c = gFG_capacity;
gFG_DOD0 = 100 - gFG_capacity;
gFG_DOD1 = gFG_DOD0;
gfg_percent_check_point = gFG_capacity;
if (batt_meter_cust_data.change_tracking_point) {
gFG_15_vlot =
fgauge_read_v_by_capacity((100 - g_tracking_point));
bm_print(BM_LOG_CRTI, "[FGADC] gFG_15_vlot = %dmV\n",
gFG_15_vlot);
} else {
/* gFG_15_vlot = fgauge_read_v_by_capacity(86); //14% */
gFG_15_vlot =
fgauge_read_v_by_capacity((100 - g_tracking_point));
bm_print(BM_LOG_CRTI, "[FGADC] gFG_15_vlot = %dmV\n",
gFG_15_vlot);
if ((gFG_15_vlot > 3800) || (gFG_15_vlot < 3600)) {
bm_print(
BM_LOG_CRTI,
"[FGADC] gFG_15_vlot(%d) over range, reset to 3700\n",
gFG_15_vlot);
gFG_15_vlot = 3700;
}
}
}
/* ============================================================ // SW FG */
signed int mtk_imp_tracking(signed int ori_voltage, signed int ori_current,
signed int recursion_time)
{
signed int ret_compensate_value = 0;
signed int temp_voltage_1 = ori_voltage;
signed int temp_voltage_2 = temp_voltage_1;
int i = 0;
for (i = 0; i < recursion_time; i++) {
gFG_resistance_bat = fgauge_read_r_bat_by_v(temp_voltage_2);
ret_compensate_value =
((ori_current) * (gFG_resistance_bat +
batt_meter_cust_data.r_fg_value)) /
1000;
ret_compensate_value = (ret_compensate_value + (10 / 2)) / 10;
temp_voltage_2 = temp_voltage_1 + ret_compensate_value;
bm_print(
BM_LOG_FULL,
"[%s] temp_voltage_2=%d,temp_voltage_1=%d,ret_compensate_value=%d,gFG_resistance_bat=%d\n",
__func__, temp_voltage_2,
temp_voltage_1,
ret_compensate_value,
gFG_resistance_bat);
}
gFG_resistance_bat = fgauge_read_r_bat_by_v(temp_voltage_2);
ret_compensate_value =
((ori_current) *
(gFG_resistance_bat + batt_meter_cust_data.r_fg_value +
batt_meter_cust_data.fg_meter_resistance)) /
1000;
ret_compensate_value = (ret_compensate_value + (10 / 2)) / 10;
gFG_compensate_value = ret_compensate_value;
bm_print(
BM_LOG_FULL,
"[%s] temp_voltage_2=%d,temp_voltage_1=%d,ret_compensate_value=%d,gFG_resistance_bat=%d\n",
__func__,
temp_voltage_2,
temp_voltage_1,
ret_compensate_value,
gFG_resistance_bat);
return ret_compensate_value;
}
void oam_init(void)
{
int ret = 0;
signed int vbat_capacity = 0;
enum kal_bool charging_enable = KAL_FALSE;
/*stop charging for vbat measurement */
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
msleep(50);
g_booting_vbat = 5; /* set avg times */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_OCV, &gFG_voltage);
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_BAT_SENSE,
&g_booting_vbat);
gFG_capacity_by_v = fgauge_read_capacity_by_v(gFG_voltage);
vbat_capacity = fgauge_read_capacity_by_v(g_booting_vbat);
if (bat_is_charger_exist() == KAL_TRUE) {
bm_print(
BM_LOG_CRTI,
"[oam_init_inf] gFG_capacity_by_v=%d, vbat_capacity=%d,\n",
gFG_capacity_by_v, vbat_capacity);
/* to avoid plug in cable without battery, */
/* then plug in battery */
/* to make hw soc = 100% */
/* if the difference bwtween ZCV and vbat is too large, */
/* using vbat instead ZCV */
if (((gFG_capacity_by_v == 100) &&
(vbat_capacity <
batt_meter_cust_data.cust_poweron_max_vbat_tolrance)) ||
(abs(gFG_capacity_by_v - vbat_capacity) >
batt_meter_cust_data.cust_poweron_delta_vbat_tolrance)) {
bm_print(
BM_LOG_CRTI,
"[%s] fg_vbat=(%d), vbat=(%d), set fg_vat as vat\n",
__func__, gFG_voltage, g_booting_vbat);
gFG_voltage = g_booting_vbat;
gFG_capacity_by_v = vbat_capacity;
}
}
gFG_capacity_by_v_init = gFG_capacity_by_v;
dod_init();
gFG_BATT_CAPACITY_aging = fgauge_get_Q_max(force_get_tbat(KAL_FALSE));
/* oam_v_ocv_1 = gFG_voltage; */
/* oam_v_ocv_2 = gFG_voltage; */
oam_v_ocv_init = fgauge_read_v_by_d(gFG_DOD0);
oam_v_ocv_2 = oam_v_ocv_1 = oam_v_ocv_init;
g_vol_bat_hw_ocv = gFG_voltage;
/* vbat = 5; //set avg times */
/* ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_BAT_SENSE, */
/* &vbat); */
/* oam_r_1 = fgauge_read_r_bat_by_v(vbat); */
oam_r_1 = fgauge_read_r_bat_by_v(gFG_voltage);
oam_r_2 = oam_r_1;
oam_d0 = gFG_DOD0;
oam_d_5 = oam_d0;
oam_i_ori = gFG_current;
g_d_hw_ocv = oam_d0;
if (oam_init_i == 0) {
bm_print(
BM_LOG_CRTI,
"[%s] oam_v_ocv_1,oam_v_ocv_2,oam_r_1,oam_r_2,oam_d0,oam_i_ori\n",
__func__);
oam_init_i = 1;
}
bm_print(BM_LOG_CRTI, "[%s] %d,%d,%d,%d,%d,%d\n", __func__,
oam_v_ocv_1, oam_v_ocv_2, oam_r_1, oam_r_2, oam_d0, oam_i_ori);
bm_print(BM_LOG_CRTI,
"[%s] hw_OCV, hw_D0, RTC, D0, oam_OCV_init, tbat\n",
__func__);
bm_print(
BM_LOG_CRTI,
"[%s] oam_OCV1, oam_OCV2, vbat, I1, I2, R1, R2, Car1, Car2,qmax, tbat\n",
__func__);
bm_print(BM_LOG_CRTI, "[oam_result_inf] D1, D2, D3, D4, D5, UI_SOC\n");
bm_print(BM_LOG_CRTI, "[%s] %d, %d, %d, %d, %d, %d\n",
__func__,
gFG_voltage, (100 - fgauge_read_capacity_by_v(gFG_voltage)),
g_rtc_fg_soc, gFG_DOD0, oam_v_ocv_init,
force_get_tbat(KAL_FALSE));
}
void oam_run(void)
{
int vol_bat = 0;
/* int vol_bat_hw_ocv=0; */
/* int d_hw_ocv=0; */
int charging_current = 0;
int ret = 0;
/* unsigned int now_time; */
struct timespec now_time;
signed int delta_time = 0;
/* now_time = rtc_read_hw_time(); */
getrawmonotonic(&now_time);
/* delta_time = now_time - last_oam_run_time; */
delta_time = now_time.tv_sec - last_oam_run_time.tv_sec;
bm_print(BM_LOG_CRTI, "[oam_run_time] delta time=%d\n", delta_time);
#if defined(SW_OAM_INIT_V2)
bm_print(BM_LOG_CRTI, "[oam_run_time] bootbuf[%s]", bootbuf);
#endif
last_oam_run_time = now_time;
/* Reconstruct table if temp changed; */
fgauge_construct_table_by_temp();
vol_bat = 15; /* set avg times */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_BAT_SENSE,
&vol_bat);
/* ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_OCV, */
/* &vol_bat_hw_ocv); */
/* d_hw_ocv = fgauge_read_d_by_v(vol_bat_hw_ocv); */
oam_i_1 = (((oam_v_ocv_1 - vol_bat) * 1000) * 10) / oam_r_1; /* 0.1mA */
oam_i_2 = (((oam_v_ocv_2 - vol_bat) * 1000) * 10) / oam_r_2; /* 0.1mA */
oam_car_1 = (oam_i_1 * delta_time / 3600) + oam_car_1; /* 0.1mAh */
oam_car_2 = (oam_i_2 * delta_time / 3600) + oam_car_2; /* 0.1mAh */
oam_d_1 = oam_d0 + (oam_car_1 * 100 / 10) / gFG_BATT_CAPACITY_aging;
if (oam_d_1 < 0)
oam_d_1 = 0;
if (oam_d_1 > 100)
oam_d_1 = 100;
oam_d_2 = oam_d0 + (oam_car_2 * 100 / 10) / gFG_BATT_CAPACITY_aging;
if (oam_d_2 < 0)
oam_d_2 = 0;
if (oam_d_2 > 100)
oam_d_2 = 100;
oam_v_ocv_1 = vol_bat + mtk_imp_tracking(vol_bat, oam_i_2, 5);
oam_d_3 = fgauge_read_d_by_v(oam_v_ocv_1);
if (oam_d_3 < 0)
oam_d_3 = 0;
if (oam_d_3 > 100)
oam_d_3 = 100;
oam_r_1 = fgauge_read_r_bat_by_v(oam_v_ocv_1);
oam_v_ocv_2 = fgauge_read_v_by_d(oam_d_2);
oam_r_2 = fgauge_read_r_bat_by_v(oam_v_ocv_2);
#if 0
oam_d_4 = (oam_d_2 + oam_d_3) / 2;
#else
oam_d_4 = oam_d_3;
#endif
gFG_columb = oam_car_2 / 10; /* mAh */
if ((oam_i_1 < 0) || (oam_i_2 < 0))
gFG_Is_Charging = KAL_TRUE;
else
gFG_Is_Charging = KAL_FALSE;
#if 0
if (gFG_Is_Charging == KAL_FALSE) {
d5_count_time = 60;
} else {
charging_current = get_charging_setting_current();
charging_current = charging_current / 100;
d5_count_time_rate =
(((gFG_BATT_CAPACITY_aging * 60 * 60 / 100 /
(charging_current - 50)) * 10) +
5) / 10;
if (d5_count_time_rate < 1)
d5_count_time_rate = 1;
d5_count_time = d5_count_time_rate;
}
#else
d5_count_time = 60;
#endif
d5_count = d5_count + delta_time;
if (d5_count >= d5_count_time) {
if (gFG_Is_Charging == KAL_FALSE) {
if (oam_d_3 > oam_d_5)
oam_d_5 = oam_d_5 + 1;
else if (oam_d_4 > oam_d_5)
oam_d_5 = oam_d_5 + 1;
} else {
if (oam_d_5 > oam_d_3)
oam_d_5 = oam_d_5 - 1;
else if (oam_d_4 < oam_d_5)
oam_d_5 = oam_d_5 - 1;
}
d5_count = 0;
oam_d_3_pre = oam_d_3;
oam_d_4_pre = oam_d_4;
}
bm_print(BM_LOG_CRTI, "[%s] %d,%d,%d,%d,%d,%d,%d,%d\n", __func__,
d5_count, d5_count_time, oam_d_3_pre, oam_d_3, oam_d_4_pre, oam_d_4,
oam_d_5, charging_current);
if (oam_run_i == 0)
oam_run_i = 1;
bm_print(BM_LOG_FULL,
"[%s] %d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
__func__,
oam_i_1, oam_i_2, oam_car_1, oam_car_2, oam_d_1, oam_d_2,
oam_v_ocv_1, oam_d_3, oam_r_1, oam_v_ocv_2, oam_r_2, vol_bat,
g_vol_bat_hw_ocv, g_d_hw_ocv);
bm_print(BM_LOG_FULL, "[oam_total] %d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
gFG_capacity_by_c, gFG_capacity_by_v, gfg_percent_check_point,
oam_d_1, oam_d_2, oam_d_3, oam_d_4, oam_d_5,
gFG_capacity_by_c_init, g_d_hw_ocv);
bm_print(BM_LOG_CRTI, "[oam_total_s] %d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
gFG_capacity_by_c, /* 1 */
gFG_capacity_by_v, /* 2 */
gfg_percent_check_point, /* 3 */
(100 - oam_d_1), /* 4 */
(100 - oam_d_2), /* 5 */
(100 - oam_d_3), /* 6 */
(100 - oam_d_4), /* 9 */
(100 - oam_d_5), /* 10 */
gFG_capacity_by_c_init, /* 7 */
(100 - g_d_hw_ocv) /* 8 */
);
bm_print(BM_LOG_FULL, "[oam_total_s_err] %d,%d,%d,%d,%d,%d,%d\n",
(gFG_capacity_by_c - gFG_capacity_by_v),
(gFG_capacity_by_c - gfg_percent_check_point),
(gFG_capacity_by_c - (100 - oam_d_1)),
(gFG_capacity_by_c - (100 - oam_d_2)),
(gFG_capacity_by_c - (100 - oam_d_3)),
(gFG_capacity_by_c - (100 - oam_d_4)),
(gFG_capacity_by_c - (100 - oam_d_5)));
bm_print(BM_LOG_CRTI, "[oam_init_inf] %d, %d, %d, %d, %d, %d\n",
gFG_voltage, (100 - fgauge_read_capacity_by_v(gFG_voltage)),
g_rtc_fg_soc, gFG_DOD0, oam_v_ocv_init,
force_get_tbat(KAL_FALSE));
bm_print(
BM_LOG_CRTI,
"[oam_run_inf] %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d\n",
oam_v_ocv_1, oam_v_ocv_2, vol_bat, oam_i_1, oam_i_2, oam_r_1,
oam_r_2, oam_car_1, oam_car_2, gFG_BATT_CAPACITY_aging,
force_get_tbat(KAL_FALSE), oam_d0);
bm_print(BM_LOG_CRTI, "[oam_result_inf] %d, %d, %d, %d, %d, %d\n",
oam_d_1, oam_d_2, oam_d_3, oam_d_4, oam_d_5,
BMT_status.UI_SOC);
/* set gFG_current always positive */
if (oam_i_2 > 0)
gFG_current = oam_i_2;
else
gFG_current = -oam_i_2;
}
/* ============================================================ // */
void table_init(void)
{
struct battery_profile_struct *profile_p;
struct r_profile_struct *profile_p_r_table;
int temperature = force_get_tbat(KAL_FALSE);
/* Re-constructure r-table profile according to current temperature */
profile_p_r_table =
fgauge_get_profile_r_table(batt_meter_cust_data.temperature_t);
if (profile_p_r_table == NULL) {
bm_print(
BM_LOG_CRTI,
"[FGADC] fgauge_get_profile_r_table : create table fail !\r\n");
}
fgauge_construct_r_table_profile(temperature, profile_p_r_table);
/* Re-constructure battery profile according to current temperature */
profile_p = fgauge_get_profile(batt_meter_cust_data.temperature_t);
if (profile_p == NULL)
bm_print(
BM_LOG_CRTI,
"[FGADC] fgauge_get_profile : create table fail !\r\n");
fgauge_construct_battery_profile(temperature, profile_p);
}
signed int auxadc_algo_run(void)
{
signed int val = 0;
gFG_voltage = battery_meter_get_battery_voltage(KAL_FALSE);
val = fgauge_read_capacity_by_v(gFG_voltage);
bm_print(BM_LOG_CRTI, "[%s] %d,%d\n", __func__, gFG_voltage, val);
return val;
}
#if defined(SOC_BY_HW_FG)
void update_fg_dbg_tool_value(void)
{
g_fg_dbg_bat_volt = gFG_voltage_init;
if (gFG_Is_Charging == KAL_TRUE)
g_fg_dbg_bat_current = 1 - gFG_current - 1;
else
g_fg_dbg_bat_current = gFG_current;
g_fg_dbg_bat_zcv = gFG_voltage;
g_fg_dbg_bat_temp = gFG_temp;
g_fg_dbg_bat_r = gFG_resistance_bat;
g_fg_dbg_bat_car = gFG_columb;
g_fg_dbg_bat_qmax = gFG_BATT_CAPACITY_aging;
g_fg_dbg_d0 = gFG_DOD0;
g_fg_dbg_d1 = gFG_DOD1;
g_fg_dbg_percentage = bat_get_ui_percentage();
g_fg_dbg_percentage_fg = gFG_capacity_by_c;
g_fg_dbg_percentage_voltmode = gfg_percent_check_point;
}
signed int fgauge_compensate_battery_voltage(signed int ori_voltage)
{
signed int ret_compensate_value = 0;
gFG_ori_voltage = ori_voltage;
gFG_resistance_bat = fgauge_read_r_bat_by_v(ori_voltage); /* Ohm */
ret_compensate_value =
(gFG_current *
(gFG_resistance_bat + batt_meter_cust_data.r_fg_value)) /
1000;
ret_compensate_value = (ret_compensate_value + (10 / 2)) / 10;
if (gFG_Is_Charging == KAL_TRUE)
ret_compensate_value =
ret_compensate_value - (ret_compensate_value * 2);
gFG_compensate_value = ret_compensate_value;
bm_print(
BM_LOG_FULL,
"[CompensateVoltage] Ori_voltage:%d, compensate_value:%d, gFG_resistance_bat:%d, gFG_current:%d\r\n",
ori_voltage, ret_compensate_value, gFG_resistance_bat,
gFG_current);
return ret_compensate_value;
}
signed int
fgauge_compensate_battery_voltage_recursion(signed int ori_voltage,
signed int recursion_time)
{
signed int ret_compensate_value = 0;
signed int temp_voltage_1 = ori_voltage;
signed int temp_voltage_2 = temp_voltage_1;
int i = 0;
for (i = 0; i < recursion_time; i++) {
gFG_resistance_bat =
fgauge_read_r_bat_by_v(temp_voltage_2); /* Ohm */
ret_compensate_value =
(gFG_current * (gFG_resistance_bat +
batt_meter_cust_data.r_fg_value)) /
1000;
ret_compensate_value = (ret_compensate_value + (10 / 2)) / 10;
if (gFG_Is_Charging == KAL_TRUE)
ret_compensate_value = ret_compensate_value -
(ret_compensate_value * 2);
temp_voltage_2 = temp_voltage_1 + ret_compensate_value;
bm_print(
BM_LOG_FULL,
"[%s] %d,%d,%d,%d\r\n",
__func__,
temp_voltage_1, temp_voltage_2, gFG_resistance_bat,
ret_compensate_value);
}
gFG_resistance_bat = fgauge_read_r_bat_by_v(temp_voltage_2); /* Ohm */
ret_compensate_value =
(gFG_current *
(gFG_resistance_bat + batt_meter_cust_data.r_fg_value +
batt_meter_cust_data.fg_meter_resistance)) /
1000;
ret_compensate_value = (ret_compensate_value + (10 / 2)) / 10;
if (gFG_Is_Charging == KAL_TRUE)
ret_compensate_value =
ret_compensate_value - (ret_compensate_value * 2);
gFG_compensate_value = ret_compensate_value;
bm_print(
BM_LOG_FULL,
"[%s] %d,%d,%d,%d\r\n",
__func__,
temp_voltage_1, temp_voltage_2, gFG_resistance_bat,
ret_compensate_value);
return ret_compensate_value;
}
signed int fgauge_get_dod0(signed int voltage, signed int temperature,
enum kal_bool bOcv)
{
signed int dod0 = 0;
int i = 0, saddles = 0, jj = 0;
struct battery_profile_struct *profile_p;
struct r_profile_struct *profile_p_r_table;
int ret = 0;
/* R-Table (First Time) */
/* Re-constructure r-table profile according to current temperature */
profile_p_r_table =
fgauge_get_profile_r_table(batt_meter_cust_data.temperature_t);
if (profile_p_r_table == NULL) {
bm_print(
BM_LOG_CRTI,
"[FGADC] fgauge_get_profile_r_table : create table fail !\r\n");
}
fgauge_construct_r_table_profile(temperature, profile_p_r_table);
/* Re-constructure battery profile according to current temperature */
profile_p = fgauge_get_profile(batt_meter_cust_data.temperature_t);
if (profile_p == NULL) {
bm_print(
BM_LOG_CRTI,
"[FGADC] fgauge_get_profile : create table fail !\r\n");
return 100;
}
fgauge_construct_battery_profile(temperature, profile_p);
/* Get total saddle points from the battery profile */
saddles = fgauge_get_saddles();
/* If the input voltage is not OCV, compensate to ZCV due to battery */
/* loading */
/* Compasate battery voltage from current battery voltage */
jj = 0;
if (bOcv == KAL_FALSE) {
while (gFG_current == 0) {
ret = battery_meter_ctrl(
BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&gFG_current);
if (jj > 10)
break;
jj++;
}
/* voltage = voltage + */
/* fgauge_compensate_battery_voltage(voltage); //mV */
voltage = voltage + fgauge_compensate_battery_voltage_recursion(
voltage, 5); /* mV */
bm_print(BM_LOG_CRTI,
"[FGADC] compensate_battery_voltage, voltage=%d\r\n",
voltage);
}
/* If battery voltage is less then mimimum profile voltage, */
/* then return 100 */
/* If battery voltage is greater then maximum profile voltage, */
/* then return 0 */
if (voltage > (profile_p + 0)->voltage)
return 0;
if (voltage < (profile_p + saddles - 1)->voltage)
return 100;
/* get DOD0 according to current temperature */
for (i = 0; i < saddles - 1; i++) {
if ((voltage <= (profile_p + i)->voltage) &&
(voltage >= (profile_p + i + 1)->voltage)) {
dod0 = (profile_p + i)->percentage +
(((((profile_p + i)->voltage) - voltage) *
(((profile_p + i + 1)->percentage) -
((profile_p + i)->percentage))) /
(((profile_p + i)->voltage) -
((profile_p + i + 1)->voltage)));
break;
}
}
return dod0;
}
signed int fgauge_update_dod(void)
{
signed int FG_dod_1 = 0;
int adjust_coulomb_counter = batt_meter_cust_data.car_tune_value;
#ifdef Q_MAX_BY_CURRENT
signed int C_0mA = 0;
signed int C_400mA = 0;
signed int C_FGCurrent = 0;
#endif
if (gFG_DOD0 > 100) {
gFG_DOD0 = 100;
bm_print(
BM_LOG_FULL,
"[%s] gFG_DOD0 set to 100, gFG_columb=%d\r\n",
__func__, gFG_columb);
} else if (gFG_DOD0 < 0) {
gFG_DOD0 = 0;
bm_print(
BM_LOG_FULL,
"[%s] gFG_DOD0 set to 0, gFG_columb=%d\r\n",
__func__, gFG_columb);
} else {
}
gFG_temp = force_get_tbat(KAL_FALSE);
#if !defined(CONFIG_POWER_EXT)
if (temperature_change == 1) {
gFG_BATT_CAPACITY = fgauge_get_Q_max(gFG_temp);
bm_print(
BM_LOG_CRTI,
"[%s] gFG_BATT_CAPACITY=%d, gFG_BATT_CAPACITY_aging=%d, gFG_BATT_CAPACITY_init_high_current=%d\r\n",
__func__, gFG_BATT_CAPACITY, gFG_BATT_CAPACITY_aging,
gFG_BATT_CAPACITY_init_high_current);
temperature_change = 0;
}
#endif
#if 0
C_0mA = fgauge_get_Q_max(gFG_temp);
C_400mA = fgauge_get_Q_max_high_current(gFG_temp);
C_FGCurrent = C_0mA - (C_0mA - C_400mA) * gFG_current_AVG / 4000;
if (C_FGCurrent != 0)
FG_dod_1 =
gFG_DOD0 - ((gFG_columb * 100) /
gFG_BATT_CAPACITY_aging) * C_0mA / C_FGCurrent;
bm_print(BM_LOG_CRTI,
"[%s] FG_dod_1=%d, adjust_coulomb_counter=%d, gFG_columb=%d, gFG_DOD0=%d,",
"gFG_temp=%d, gFG_BATT_CAPACITY=%d, C_0mA=%d, C_400mA=%d, C_FGCurrent=%d, gFG_current_AVG=%d\n",
__func__, FG_dod_1, adjust_coulomb_counter, gFG_columb,
gFG_DOD0, gFG_temp, gFG_BATT_CAPACITY, C_0mA, C_400mA,
C_FGCurrent, gFG_current_AVG);
#else
FG_dod_1 = gFG_DOD0 - ((gFG_columb * 100) / gFG_BATT_CAPACITY_aging);
bm_print(
BM_LOG_FULL,
"[%s] FG_dod_1=%d, adjust_coulomb_counter=%d, gFG_columb=%d, gFG_DOD0=%d,",
"gFG_temp=%d, gFG_BATT_CAPACITY=%d %d\r\n",
__func__, FG_dod_1, adjust_coulomb_counter, gFG_columb,
gFG_DOD0, gFG_temp, gFG_BATT_CAPACITY,
gFG_BATT_CAPACITY_aging);
#endif
if (FG_dod_1 > 100) {
FG_dod_1 = 100;
bm_print(
BM_LOG_FULL,
"[%s] FG_dod_1 set to 100, gFG_columb=%d\r\n",
__func__, gFG_columb);
} else if (FG_dod_1 < 0) {
FG_dod_1 = 0;
bm_print(
BM_LOG_FULL,
"[%s] FG_dod_1 set to 0, gFG_columb=%d\r\n",
__func__, gFG_columb);
} else {
}
return FG_dod_1;
}
signed int fgauge_read_capacity(signed int type)
{
signed int voltage;
signed int temperature;
signed int dvalue = 0;
signed int temp_val = 0;
if (type == 0) { /* for initialization */
/* Use voltage to calculate capacity */
voltage = battery_meter_get_battery_voltage(
KAL_TRUE); /* in unit of mV */
temperature = force_get_tbat(KAL_FALSE);
dvalue = fgauge_get_dod0(voltage, temperature,
KAL_FALSE); /* need compensate vbat */
} else {
/* Use DOD0 and columb counter to calculate capacity */
dvalue = fgauge_update_dod(); /* DOD1 = DOD0 + (-CAR)/Qmax */
}
gFG_DOD1 = dvalue;
temp_val = dvalue;
dvalue = 100 - temp_val;
if (dvalue <= 1) {
dvalue = 1;
bm_print(
BM_LOG_FULL,
"[%s] dvalue<=1 and set dvalue=1 !!\r\n",
__func__);
}
return dvalue;
}
void fg_voltage_mode(void)
{
#if defined(CONFIG_POWER_EXT)
#else
if (bat_is_charger_exist() == KAL_TRUE) {
/* SOC only UP when charging */
if (gFG_capacity_by_v > gfg_percent_check_point)
gfg_percent_check_point++;
} else {
/* SOC only Done when dis-charging */
if (gFG_capacity_by_v < gfg_percent_check_point)
gfg_percent_check_point--;
}
bm_print(
BM_LOG_FULL,
"[FGADC_VoltageMothod] gFG_capacity_by_v=%d,gfg_percent_check_point=%d\r\n",
gFG_capacity_by_v, gfg_percent_check_point);
#endif
}
void fgauge_algo_run(void)
{
int i = 0;
int ret = 0;
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
int columb_delta = 0;
int charge_current = 0;
#endif
/* Reconstruct table if temp changed; */
fgauge_construct_table_by_temp();
/* 1. Get Raw Data */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&gFG_current);
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT_SIGN,
&gFG_Is_Charging);
gFG_voltage = battery_meter_get_battery_voltage(KAL_FALSE);
gFG_voltage_init = gFG_voltage;
gFG_voltage = gFG_voltage + fgauge_compensate_battery_voltage_recursion(
gFG_voltage, 5); /* mV */
gFG_voltage = gFG_voltage + batt_meter_cust_data.ocv_board_compesate;
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CAR, &gFG_columb);
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
if (gFG_Is_Charging) {
charge_current -= gFG_current;
if (charge_current < gFG_min_current)
gFG_min_current = charge_current;
} else {
if (gFG_current > gFG_max_current)
gFG_max_current = gFG_current;
}
columb_delta = gFG_pre_columb_count - gFG_columb;
if (columb_delta < 0)
columb_delta =
columb_delta - 2 * columb_delta; /* absolute value */
gFG_pre_columb_count = gFG_columb;
gFG_columb_sum += columb_delta;
/* should we use gFG_BATT_CAPACITY or gFG_BATT_CAPACITY_aging ?? */
if (gFG_columb_sum >= 2 * gFG_BATT_CAPACITY_aging) {
gFG_battery_cycle++;
gFG_columb_sum -= 2 * gFG_BATT_CAPACITY_aging;
bm_print(BM_LOG_CRTI, "Update battery cycle count to %d. \r\n",
gFG_battery_cycle);
}
bm_print(BM_LOG_FULL, "@@@ bat cycle count %d, columb sum %d. \r\n",
gFG_battery_cycle, gFG_columb_sum);
#endif
/* add by willcai 2014-12-18 begin */
if (BMT_status.charger_exist == KAL_FALSE) {
if (gFG_Is_offset_init == KAL_FALSE) {
for (i = 0;
i < batt_meter_cust_data.fg_vbat_average_size; i++)
FGvbatVoltageBuffer[i] = gFG_voltage;
FGbatteryVoltageSum =
gFG_voltage *
batt_meter_cust_data.fg_vbat_average_size;
gFG_voltage_AVG = gFG_voltage;
gFG_Is_offset_init = KAL_TRUE;
}
/* 1.1 Average FG_voltage */
/**************** Averaging : START ****************/
if (gFG_voltage >= gFG_voltage_AVG)
gFG_vbat_offset = (gFG_voltage - gFG_voltage_AVG);
else
gFG_vbat_offset = (gFG_voltage_AVG - gFG_voltage);
if (gFG_vbat_offset <= batt_meter_cust_data.minerroroffset) {
FGbatteryVoltageSum -=
FGvbatVoltageBuffer[FGbatteryIndex];
FGbatteryVoltageSum += gFG_voltage;
FGvbatVoltageBuffer[FGbatteryIndex] = gFG_voltage;
gFG_voltage_AVG =
FGbatteryVoltageSum /
batt_meter_cust_data.fg_vbat_average_size;
gFG_voltage = gFG_voltage_AVG;
FGbatteryIndex++;
if (FGbatteryIndex >=
batt_meter_cust_data.fg_vbat_average_size)
FGbatteryIndex = 0;
bm_print(BM_LOG_FULL, "[FG_BUFFER] ");
for (i = 0;
i < batt_meter_cust_data.fg_vbat_average_size; i++)
bm_print(BM_LOG_FULL, "%d,",
FGvbatVoltageBuffer[i]);
bm_print(BM_LOG_FULL, "\r\n");
} else {
bm_print(BM_LOG_FULL,
"[FG] Over MinErrorOffset:V=%d,Avg_V=%d, ",
gFG_voltage, gFG_voltage_AVG);
gFG_voltage = gFG_voltage_AVG;
bm_print(
BM_LOG_FULL,
"Avg_V need write back to V : V=%d,Avg_V=%d.\r\n",
gFG_voltage, gFG_voltage_AVG);
}
} else
gFG_Is_offset_init = KAL_FALSE;
#ifdef Q_MAX_BY_CURRENT
/* 1.2 Average FG_current */
/**************** Averaging : START ****************/
if (gFG_current_AVG == 0) {
for (i = 0; i < FG_CURRENT_AVERAGE_SIZE; i++)
FGCurrentBuffer[i] = gFG_current;
FGCurrentSum = gFG_current * FG_CURRENT_AVERAGE_SIZE;
gFG_current_AVG = gFG_current;
} else {
FGCurrentSum -= FGCurrentBuffer[FGCurrentIndex];
FGCurrentSum += gFG_current;
FGCurrentBuffer[FGCurrentIndex] = gFG_current;
gFG_current_AVG = FGCurrentSum / FG_CURRENT_AVERAGE_SIZE;
FGCurrentIndex++;
if (FGCurrentIndex >= FG_CURRENT_AVERAGE_SIZE)
FGCurrentIndex = 0;
bm_print(BM_LOG_FULL, "[FG_BUFFER] ");
for (i = 0; i < FG_CURRENT_AVERAGE_SIZE; i++)
bm_print(BM_LOG_FULL, "%d,", FGCurrentBuffer[i]);
bm_print(BM_LOG_FULL, "\n");
}
#endif
/* 2. Calculate battery capacity by VBAT */
gFG_capacity_by_v = fgauge_read_capacity_by_v(gFG_voltage);
/* 3. Calculate battery capacity by Coulomb Counter */
gFG_capacity_by_c = fgauge_read_capacity(1);
/* 4. voltage mode */
if (volt_mode_update_timer >= volt_mode_update_time_out) {
volt_mode_update_timer = 0;
fg_voltage_mode();
} else {
volt_mode_update_timer++;
}
/* 5. Logging */
bm_print(
BM_LOG_CRTI,
"[FGADC] %d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\r\n",
gFG_Is_Charging, gFG_current, gFG_columb, gFG_voltage,
gFG_capacity_by_v, gFG_capacity_by_c, gFG_capacity_by_c_init,
gFG_BATT_CAPACITY, gFG_BATT_CAPACITY_aging,
gFG_compensate_value, gFG_ori_voltage,
batt_meter_cust_data.ocv_board_compesate,
batt_meter_cust_data.r_fg_board_slope, gFG_voltage_init,
batt_meter_cust_data.minerroroffset, gFG_DOD0, gFG_DOD1,
batt_meter_cust_data.car_tune_value,
batt_meter_cust_data.aging_tuning_value);
update_fg_dbg_tool_value();
}
void fgauge_algo_run_init(void)
{
int i = 0;
int ret = 0;
#ifdef INIT_SOC_BY_SW_SOC
enum kal_bool charging_enable = KAL_FALSE;
#if defined(CONFIG_MTK_KERNEL_POWER_OFF_CHARGING) && !defined(SWCHR_POWER_PATH)
if (get_boot_mode() != LOW_POWER_OFF_CHARGING_BOOT)
#endif
/*stop charging for vbat measurement */
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
msleep(50);
#endif
/* 1. Get Raw Data */
gFG_voltage = battery_meter_get_battery_voltage(KAL_TRUE);
gFG_voltage_init = gFG_voltage;
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&gFG_current);
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT_SIGN,
&gFG_Is_Charging);
gFG_voltage = gFG_voltage + fgauge_compensate_battery_voltage_recursion(
gFG_voltage, 5); /* mV */
gFG_voltage = gFG_voltage + batt_meter_cust_data.ocv_board_compesate;
bm_print(BM_LOG_CRTI, "[FGADC] SWOCV : %d,%d,%d,%d,%d,%d\n",
gFG_voltage_init, gFG_voltage, gFG_current, gFG_Is_Charging,
gFG_resistance_bat, gFG_compensate_value);
#ifdef INIT_SOC_BY_SW_SOC
charging_enable = KAL_TRUE;
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
#endif
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CAR, &gFG_columb);
/* 1.1 Average FG_voltage */
for (i = 0; i < batt_meter_cust_data.fg_vbat_average_size; i++)
FGvbatVoltageBuffer[i] = gFG_voltage;
FGbatteryVoltageSum =
gFG_voltage * batt_meter_cust_data.fg_vbat_average_size;
gFG_voltage_AVG = gFG_voltage;
#ifdef Q_MAX_BY_CURRENT
/* 1.2 Average FG_current */
for (i = 0; i < FG_CURRENT_AVERAGE_SIZE; i++)
FGCurrentBuffer[i] = gFG_current;
FGCurrentSum = gFG_current * FG_CURRENT_AVERAGE_SIZE;
gFG_current_AVG = gFG_current;
#endif
/* 2. Calculate battery capacity by VBAT */
gFG_capacity_by_v = fgauge_read_capacity_by_v(gFG_voltage);
gFG_capacity_by_v_init = gFG_capacity_by_v;
/* 3. Calculate battery capacity by Coulomb Counter */
gFG_capacity_by_c = fgauge_read_capacity(1);
/* 4. update DOD0 */
dod_init();
gFG_current_auto_detect_R_fg_count = 0;
for (i = 0; i < 10; i++) {
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&gFG_current);
gFG_current_auto_detect_R_fg_total += gFG_current;
gFG_current_auto_detect_R_fg_count++;
}
/* double check */
if (gFG_current_auto_detect_R_fg_total <= 0) {
bm_print(
BM_LOG_CRTI,
"gFG_current_auto_detect_R_fg_total=0, need double check\n");
gFG_current_auto_detect_R_fg_count = 0;
for (i = 0; i < 10; i++) {
ret = battery_meter_ctrl(
BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&gFG_current);
gFG_current_auto_detect_R_fg_total += gFG_current;
gFG_current_auto_detect_R_fg_count++;
}
}
gFG_current_auto_detect_R_fg_result =
gFG_current_auto_detect_R_fg_total /
gFG_current_auto_detect_R_fg_count;
#if !defined(DISABLE_RFG_EXIST_CHECK)
if (gFG_current_auto_detect_R_fg_result <=
batt_meter_cust_data.current_detect_r_fg) {
g_auxadc_solution = 1;
bm_print(
BM_LOG_CRTI,
"[FGADC] Detect NO Rfg, use AUXADC report. (%d=%d/%d)(%d)\r\n",
gFG_current_auto_detect_R_fg_result,
gFG_current_auto_detect_R_fg_total,
gFG_current_auto_detect_R_fg_count, g_auxadc_solution);
} else {
if (g_auxadc_solution == 0) {
g_auxadc_solution = 0;
bm_print(
BM_LOG_CRTI,
"[FGADC] Detect Rfg, use FG report. (%d=%d/%d)(%d)\r\n",
gFG_current_auto_detect_R_fg_result,
gFG_current_auto_detect_R_fg_total,
gFG_current_auto_detect_R_fg_count,
g_auxadc_solution);
} else {
bm_print(
BM_LOG_CRTI,
"[FGADC] Detect Rfg, but use AUXADC report. due to g_auxadc_solution=%d \r\n",
g_auxadc_solution);
}
}
#endif
/* 5. Logging */
bm_print(
BM_LOG_CRTI,
"[FGADC] %d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\r\n",
gFG_Is_Charging, gFG_current, gFG_columb, gFG_voltage,
gFG_capacity_by_v, gFG_capacity_by_c, gFG_capacity_by_c_init,
gFG_BATT_CAPACITY, gFG_BATT_CAPACITY_aging,
gFG_compensate_value, gFG_ori_voltage,
batt_meter_cust_data.ocv_board_compesate,
batt_meter_cust_data.r_fg_board_slope, gFG_voltage_init,
batt_meter_cust_data.minerroroffset, gFG_DOD0, gFG_DOD1,
batt_meter_cust_data.car_tune_value,
batt_meter_cust_data.aging_tuning_value);
update_fg_dbg_tool_value();
}
#ifdef FG_BAT_INT
unsigned char reset_fg_bat_int = KAL_TRUE;
void fg_bat_int_handler(void)
{
pr_notice("%s\n", __func__);
reset_fg_bat_int = KAL_TRUE;
wake_up_bat2();
}
#endif
void fgauge_initialization(void)
{
#if defined(CONFIG_POWER_EXT)
#else
int i = 0;
unsigned int ret = 0;
/* gFG_BATT_CAPACITY_init_high_current = */
/* fgauge_get_Q_max_high_current(25); */
/* gFG_BATT_CAPACITY_aging = fgauge_get_Q_max(25); */
/* 1. HW initialization */
ret = battery_meter_ctrl(BATTERY_METER_CMD_HW_FG_INIT, NULL);
/* 2. SW algorithm initialization */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_OCV, &gFG_voltage);
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&gFG_current);
i = 0;
while (gFG_current == 0) {
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&gFG_current);
if (i > 10) {
bm_print(BM_LOG_CRTI,
"[%s] gFG_current == 0\n", __func__);
break;
}
i++;
}
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CAR, &gFG_columb);
fgauge_construct_battery_profile_init();
gFG_temp = force_get_tbat(KAL_FALSE);
gFG_capacity = fgauge_read_capacity(0);
gFG_capacity_by_c_init = gFG_capacity;
gFG_capacity_by_c = gFG_capacity;
gFG_capacity_by_v = gFG_capacity;
gFG_DOD0 = 100 - gFG_capacity;
bm_print(BM_LOG_CRTI, "[%s] gFG_DOD0 =%d %d\n",
__func__, gFG_DOD0, gFG_capacity);
gFG_BATT_CAPACITY = fgauge_get_Q_max(gFG_temp);
gFG_BATT_CAPACITY_init_high_current =
fgauge_get_Q_max_high_current(gFG_temp);
gFG_BATT_CAPACITY_aging = fgauge_get_Q_max(gFG_temp);
ret = battery_meter_ctrl(BATTERY_METER_CMD_DUMP_REGISTER, NULL);
bm_print(
BM_LOG_CRTI,
"[%s] Done HW_OCV:%d FG_Current:%d FG_CAR:%d tmp=%d capacity=%d Qmax=%d\n",
__func__, gFG_voltage, gFG_current,
gFG_columb, gFG_temp, gFG_capacity,
gFG_BATT_CAPACITY);
#if defined(FG_BAT_INT)
pmic_register_interrupt_callback(FG_BAT_INT_L_NO, fg_bat_int_handler);
pmic_register_interrupt_callback(FG_BAT_INT_H_NO, fg_bat_int_handler);
#endif
#endif
}
#endif
signed int get_dynamic_period(int first_use, int first_wakeup_time,
int battery_capacity_level)
{
#if defined(CONFIG_POWER_EXT)
return first_wakeup_time;
#elif defined(SOC_BY_AUXADC) || defined(SOC_BY_SW_FG)
signed int vbat_val = 0;
#ifdef CONFIG_MTK_POWER_EXT_DETECT
if (bat_is_ext_power() == KAL_TRUE)
return batt_meter_cust_data.normal_wakeup_period;
#endif
vbat_val = g_sw_vbat_temp;
/* change wake up period when system suspend. */
if (vbat_val > batt_meter_cust_data.vbat_normal_wakeup) /* 3.6v */
g_spm_timer =
batt_meter_cust_data.normal_wakeup_period; /* 90 min */
else if (vbat_val >
batt_meter_cust_data.vbat_low_power_wakeup) /* 3.5v */
g_spm_timer = batt_meter_cust_data
.low_power_wakeup_period; /* 5 min */
else
g_spm_timer =
batt_meter_cust_data
.close_poweroff_wakeup_period; /* 0.5 min */
bm_print(BM_LOG_CRTI, "vbat_val=%d, g_spm_timer=%d\n", vbat_val,
g_spm_timer);
return g_spm_timer;
#else
signed int car_instant = 0;
signed int current_instant = 0;
static signed int last_time;
signed int vbat_val = 0;
int ret = 0;
#if defined(FG_BAT_INT)
#else
signed int I_sleep = 0;
signed int new_time = 0;
signed int ret_val = -1;
signed int car_wakeup = 0;
static signed int car_sleep = 0x12345678;
#endif
vbat_val = g_sw_vbat_temp;
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&current_instant);
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CAR, &car_instant);
if (car_instant < 0)
car_instant = car_instant - (car_instant * 2);
if (BMT_status.UI_SOC != BMT_status.SOC && gDisableGM != KAL_TRUE) {
last_time = 60;
g_spm_timer = 60;
bm_print(
BM_LOG_CRTI,
"[%s] UISOC:%d SOC:%d vbat:%d current:%d car:%d new_time:%d\n",
__func__, BMT_status.UI_SOC, BMT_status.SOC, vbat_val,
current_instant, car_instant, g_spm_timer);
return g_spm_timer;
}
if (vbat_val > batt_meter_cust_data.vbat_normal_wakeup) { /* 3.6v */
#if defined(FG_BAT_INT)
g_spm_timer = LOW_POWER_WAKEUP_PERIOD * 3;
#else
car_wakeup = car_instant;
if (last_time == 0)
last_time = 1;
if (car_sleep > car_wakeup || car_sleep == 0x12345678) {
car_sleep = car_wakeup;
bm_print(BM_LOG_CRTI,
"[%s] reset car_sleep\n", __func__);
}
I_sleep = ((car_wakeup - car_sleep) * 3600) /
last_time; /* unit: second */
if (I_sleep == 0) {
ret = battery_meter_ctrl(
BATTERY_METER_CMD_GET_HW_FG_CURRENT, &I_sleep);
I_sleep = I_sleep / 10;
}
if (I_sleep == 0) {
new_time = first_wakeup_time;
} else {
new_time = ((gFG_BATT_CAPACITY *
battery_capacity_level * 3600) /
100) /
I_sleep;
}
ret_val = new_time;
if (ret_val == 0)
ret_val = first_wakeup_time;
bm_print(
BM_LOG_CRTI,
"[%s] car_instant=%d, car_wakeup=%d, car_sleep=%d, I_sleep=%d,",
"gFG_BATT_CAPACITY=%d, last_time=%d, new_time=%d\r\n",
__func__, car_instant, car_wakeup, car_sleep, I_sleep,
gFG_BATT_CAPACITY, last_time, new_time);
/* update parameter */
car_sleep = car_wakeup;
last_time = ret_val;
g_spm_timer = ret_val;
#endif
} else if (vbat_val >
batt_meter_cust_data.vbat_low_power_wakeup) { /* 3.5v */
g_spm_timer = batt_meter_cust_data
.low_power_wakeup_period; /* 5 min */
} else {
g_spm_timer =
batt_meter_cust_data
.close_poweroff_wakeup_period; /* 0.5 min */
}
bm_print(BM_LOG_CRTI, "vbat_val=%d, g_spm_timer=%d\n", vbat_val,
g_spm_timer);
return g_spm_timer;
#endif
}
/* ============================================================ // */
signed int battery_meter_get_battery_voltage(enum kal_bool update)
{
int ret = 0;
int val = 5;
static int pre_val = -1;
if (update == KAL_TRUE || pre_val == -1) {
val = 5; /* set avg times */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_BAT_SENSE,
&val);
pre_val = val;
} else {
val = pre_val;
}
g_sw_vbat_temp = val;
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
if (g_sw_vbat_temp > gFG_max_voltage)
gFG_max_voltage = g_sw_vbat_temp;
if (g_sw_vbat_temp < gFG_min_voltage)
gFG_min_voltage = g_sw_vbat_temp;
#endif
return val;
}
signed int battery_meter_get_charging_current_imm(void)
{
#ifdef AUXADC_SUPPORT_IMM_CURRENT_MODE
return PMIC_IMM_GetCurrent();
#else
int ret;
signed int ADC_I_SENSE = 1; /* 1 measure time */
signed int ADC_BAT_SENSE = 1; /* 1 measure time */
int ICharging = 0;
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_BAT_SENSE,
&ADC_BAT_SENSE);
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_I_SENSE,
&ADC_I_SENSE);
ICharging = (ADC_I_SENSE - ADC_BAT_SENSE + g_I_SENSE_offset) * 1000 /
batt_meter_cust_data.cust_r_sense;
return ICharging;
#endif
}
signed int battery_meter_get_charging_current(void)
{
#ifdef DISABLE_CHARGING_CURRENT_MEASURE
return 0;
#elif !defined(EXTERNAL_SWCHR_SUPPORT)
signed int ADC_BAT_SENSE_tmp[20] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
signed int ADC_BAT_SENSE_sum = 0;
signed int ADC_BAT_SENSE = 0;
signed int ADC_I_SENSE_tmp[20] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
signed int ADC_I_SENSE_sum = 0;
signed int ADC_I_SENSE = 0;
int repeat = 20;
int i = 0;
int j = 0;
signed int temp = 0;
int ICharging = 0;
int ret = 0;
int val = 1;
for (i = 0; i < repeat; i++) {
val = 1; /* set avg times */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_BAT_SENSE,
&val);
ADC_BAT_SENSE_tmp[i] = val;
val = 1; /* set avg times */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_I_SENSE,
&val);
ADC_I_SENSE_tmp[i] = val;
ADC_BAT_SENSE_sum += ADC_BAT_SENSE_tmp[i];
ADC_I_SENSE_sum += ADC_I_SENSE_tmp[i];
}
/* sorting BAT_SENSE */
for (i = 0; i < repeat; i++) {
for (j = i; j < repeat; j++) {
if (ADC_BAT_SENSE_tmp[j] < ADC_BAT_SENSE_tmp[i]) {
temp = ADC_BAT_SENSE_tmp[j];
ADC_BAT_SENSE_tmp[j] = ADC_BAT_SENSE_tmp[i];
ADC_BAT_SENSE_tmp[i] = temp;
}
}
}
bm_print(BM_LOG_FULL, "[g_Get_I_Charging:BAT_SENSE]\r\n");
for (i = 0; i < repeat; i++)
bm_print(BM_LOG_FULL, "%d,", ADC_BAT_SENSE_tmp[i]);
bm_print(BM_LOG_FULL, "\r\n");
/* sorting I_SENSE */
for (i = 0; i < repeat; i++) {
for (j = i; j < repeat; j++) {
if (ADC_I_SENSE_tmp[j] < ADC_I_SENSE_tmp[i]) {
temp = ADC_I_SENSE_tmp[j];
ADC_I_SENSE_tmp[j] = ADC_I_SENSE_tmp[i];
ADC_I_SENSE_tmp[i] = temp;
}
}
}
bm_print(BM_LOG_FULL, "[g_Get_I_Charging:I_SENSE]\r\n");
for (i = 0; i < repeat; i++)
bm_print(BM_LOG_FULL, "%d,", ADC_I_SENSE_tmp[i]);
bm_print(BM_LOG_FULL, "\r\n");
ADC_BAT_SENSE_sum -= ADC_BAT_SENSE_tmp[0];
ADC_BAT_SENSE_sum -= ADC_BAT_SENSE_tmp[1];
ADC_BAT_SENSE_sum -= ADC_BAT_SENSE_tmp[18];
ADC_BAT_SENSE_sum -= ADC_BAT_SENSE_tmp[19];
ADC_BAT_SENSE = ADC_BAT_SENSE_sum / (repeat - 4);
bm_print(BM_LOG_FULL, "[g_Get_I_Charging] ADC_BAT_SENSE=%d\r\n",
ADC_BAT_SENSE);
ADC_I_SENSE_sum -= ADC_I_SENSE_tmp[0];
ADC_I_SENSE_sum -= ADC_I_SENSE_tmp[1];
ADC_I_SENSE_sum -= ADC_I_SENSE_tmp[18];
ADC_I_SENSE_sum -= ADC_I_SENSE_tmp[19];
ADC_I_SENSE = ADC_I_SENSE_sum / (repeat - 4);
bm_print(BM_LOG_FULL, "[g_Get_I_Charging] ADC_I_SENSE(Before)=%d\r\n",
ADC_I_SENSE);
bm_print(BM_LOG_FULL, "[g_Get_I_Charging] ADC_I_SENSE(After)=%d\r\n",
ADC_I_SENSE);
if (ADC_I_SENSE > ADC_BAT_SENSE) {
ICharging = (ADC_I_SENSE - ADC_BAT_SENSE + g_I_SENSE_offset) *
1000 / batt_meter_cust_data.cust_r_sense;
} else {
ICharging = 0;
}
return ICharging;
#else
return 0;
#endif
}
signed int battery_meter_get_battery_current(void)
{
int ret = 0;
signed int val = 0;
if (g_auxadc_solution == 1)
val = oam_i_2;
else
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT,
&val);
return val;
}
enum kal_bool battery_meter_get_battery_current_sign(void)
{
int ret = 0;
enum kal_bool val = 0;
if (g_auxadc_solution == 1)
val = 0; /* discharging */
else
ret = battery_meter_ctrl(
BATTERY_METER_CMD_GET_HW_FG_CURRENT_SIGN, &val);
return val;
}
signed int battery_meter_get_car(void)
{
int ret = 0;
signed int val = 0;
if (g_auxadc_solution == 1)
val = oam_car_2;
else
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CAR, &val);
return val;
}
signed int battery_meter_get_battery_temperature(void)
{
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
signed int batt_temp = force_get_tbat(KAL_TRUE);
if (batt_temp > gFG_max_temperature)
gFG_max_temperature = batt_temp;
if (batt_temp < gFG_min_temperature)
gFG_min_temperature = batt_temp;
return batt_temp;
#else
return force_get_tbat(KAL_TRUE);
#endif
}
signed int battery_meter_get_charger_voltage(void)
{
int ret = 0;
int val = 0;
val = 5; /* set avg times */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_CHARGER, &val);
/* val = (((R_CHARGER_1+R_CHARGER_2)*100*val)/R_CHARGER_2)/100; */
return val;
}
#if defined(FG_BAT_INT)
signed int battery_meter_set_columb_interrupt(unsigned int val)
{
battery_log(BAT_LOG_FULL, "%s=%d\n", __func__,
val);
battery_meter_ctrl(BATTERY_METER_CMD_SET_COLUMB_INTERRUPT, &val);
return 0;
}
#endif /* #if defined(FG_BAT_INT) */
signed int battery_meter_get_battery_percentage(void)
{
#if defined(CONFIG_POWER_EXT)
return 50;
#else
if (bat_is_charger_exist() == KAL_FALSE)
fg_qmax_update_for_aging_flag = 1;
#if defined(SOC_BY_AUXADC)
return auxadc_algo_run();
#endif
#if defined(SOC_BY_HW_FG)
if (g_auxadc_solution == 1)
return auxadc_algo_run();
/*else {*/
fgauge_algo_run();
#if !defined(CUST_CAPACITY_OCV2CV_TRANSFORM)
/* hw fg, //return gfg_percent_check_point; // voltage mode */
return gFG_capacity_by_c;
#else
/* We keep gFG_capacity_by_c as capacity before compensation */
/* Compensated capacity is returned for UI SOC tracking */
return 100 -
battery_meter_trans_battery_percentage(100 - gFG_capacity_by_c);
#endif
/*}*/
#endif
#if defined(SOC_BY_SW_FG)
oam_run();
#if !defined(CUST_CAPACITY_OCV2CV_TRANSFORM)
#if (OAM_D5 == 1)
return 100 - oam_d_5;
#else
return 100 - oam_d_2;
#endif
#else
#if (OAM_D5 == 1)
return 100 - battery_meter_trans_battery_percentage(oam_d_5);
#else
return 100 - battery_meter_trans_battery_percentage(oam_d_2);
#endif
#endif
#endif
#endif
}
signed int battery_meter_initial(void)
{
#if defined(CONFIG_POWER_EXT)
return 0;
#else
static enum kal_bool meter_initilized;
mutex_lock(&FGADC_mutex);
if (meter_initilized == KAL_FALSE) {
#ifdef MTK_MULTI_BAT_PROFILE_SUPPORT
fgauge_get_profile_id();
#endif
#if defined(SOC_BY_AUXADC)
g_auxadc_solution = 1;
table_init();
bm_print(BM_LOG_CRTI,
"[%s] SOC_BY_AUXADC done\n",
__func__);
#endif
#if defined(SOC_BY_HW_FG)
fgauge_initialization();
fgauge_algo_run_init();
bm_print(BM_LOG_CRTI,
"[%s] SOC_BY_HW_FG done\n",
__func__);
#endif
#if defined(SOC_BY_SW_FG)
g_auxadc_solution = 1;
table_init();
oam_init();
bm_print(BM_LOG_CRTI,
"[%s] SOC_BY_SW_FG done\n",
__func__);
#endif
meter_initilized = KAL_TRUE;
}
mutex_unlock(&FGADC_mutex);
return 0;
#endif
}
void reset_parameter_car(void)
{
#if defined(SOC_BY_HW_FG)
int ret = 0;
ret = battery_meter_ctrl(BATTERY_METER_CMD_HW_RESET, NULL);
gFG_columb = 0;
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
gFG_pre_columb_count = 0;
#endif
#ifdef MTK_ENABLE_AGING_ALGORITHM
aging_ocv_1 = 0;
aging_ocv_2 = 0;
#ifdef MD_SLEEP_CURRENT_CHECK
columb_before_sleep = 0x123456;
#endif
#endif
#endif
#if defined(SOC_BY_SW_FG)
oam_car_1 = 0;
oam_car_2 = 0;
gFG_columb = 0;
#endif
}
void reset_parameter_dod_change(void)
{
#if defined(SOC_BY_HW_FG)
bm_print(BM_LOG_CRTI, "[FGADC] Update DOD0(%d) by %d \r\n", gFG_DOD0,
gFG_DOD1);
gFG_DOD0 = gFG_DOD1;
#endif
#if defined(SOC_BY_SW_FG)
bm_print(BM_LOG_CRTI, "[FGADC] Update oam_d0(%d) by %d \r\n", oam_d0,
oam_d_5);
oam_d0 = oam_d_5;
gFG_DOD0 = oam_d0;
oam_d_1 = oam_d_5;
oam_d_2 = oam_d_5;
oam_d_3 = oam_d_5;
oam_d_4 = oam_d_5;
#endif
}
void reset_parameter_dod_full(unsigned int ui_percentage)
{
#if defined(SOC_BY_HW_FG)
bm_print(BM_LOG_CRTI, "[battery_meter_reset]1 DOD0=%d,DOD1=%d,ui=%d\n",
gFG_DOD0, gFG_DOD1, ui_percentage);
gFG_DOD0 = 100 - ui_percentage;
gFG_DOD1 = gFG_DOD0;
bm_print(BM_LOG_CRTI, "[battery_meter_reset]2 DOD0=%d,DOD1=%d,ui=%d\n",
gFG_DOD0, gFG_DOD1, ui_percentage);
#endif
#if defined(SOC_BY_SW_FG)
bm_print(BM_LOG_CRTI,
"[battery_meter_reset]1 oam_d0=%d,oam_d_5=%d,ui=%d\n", oam_d0,
oam_d_5, ui_percentage);
oam_d0 = 100 - ui_percentage;
gFG_DOD0 = oam_d0;
gFG_DOD1 = oam_d0;
oam_d_1 = oam_d0;
oam_d_2 = oam_d0;
oam_d_3 = oam_d0;
oam_d_4 = oam_d0;
oam_d_5 = oam_d0;
bm_print(BM_LOG_CRTI,
"[battery_meter_reset]2 oam_d0=%d,oam_d_5=%d,ui=%d\n", oam_d0,
oam_d_5, ui_percentage);
#endif
}
signed int battery_meter_reset(void)
{
#if defined(CONFIG_POWER_EXT)
return 0;
#else
unsigned int ui_percentage = bat_get_ui_percentage();
#if defined(CUST_CAPACITY_OCV2CV_TRANSFORM)
if (g_USE_UI_SOC == KAL_FALSE) {
ui_percentage = battery_meter_get_battery_soc();
g_USE_UI_SOC = KAL_TRUE;
bm_print(
BM_LOG_FULL,
"[CUST_CAPACITY_OCV2CV_TRANSFORM]Use Battery SOC: %d\n",
ui_percentage);
}
#endif
reset_parameter_car();
reset_parameter_dod_full(ui_percentage);
return 0;
#endif
}
signed int battery_meter_sync(signed int bat_i_sense_offset)
{
#if defined(CONFIG_POWER_EXT)
return 0;
#else
g_I_SENSE_offset = bat_i_sense_offset;
return 0;
#endif
}
signed int battery_meter_get_battery_zcv(void)
{
#if defined(CONFIG_POWER_EXT)
return 3987;
#else
return gFG_voltage;
#endif
}
signed int battery_meter_get_battery_nPercent_zcv(void)
{
#if defined(CONFIG_POWER_EXT)
return 3700;
#else
/* 15% zcv, 15% can be customized by 100-g_tracking_point */
return gFG_15_vlot;
#endif
}
signed int battery_meter_get_battery_nPercent_UI_SOC(void)
{
#if defined(CONFIG_POWER_EXT)
return 15;
#else
return g_tracking_point; /* tracking point */
#endif
}
signed int battery_meter_get_tempR(signed int dwVolt)
{
#if defined(CONFIG_POWER_EXT)
return 0;
#else
int TRes;
TRes = (batt_meter_cust_data.rbat_pull_up_r * dwVolt) /
(batt_meter_cust_data.rbat_pull_up_volt - dwVolt);
return TRes;
#endif
}
signed int battery_meter_get_tempV(void)
{
#if defined(CONFIG_POWER_EXT)
return 0;
#else
int ret = 0;
int val = 0;
val = 1; /* set avg times */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_BAT_TEMP, &val);
return val;
#endif
}
signed int battery_meter_get_VSense(void)
{
#if defined(CONFIG_POWER_EXT)
return 0;
#else
int ret = 0;
int val = 0;
val = 1; /* set avg times */
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_ADC_V_I_SENSE, &val);
return val;
#endif
}
signed int battery_meter_get_QMAX25(void)
{
return batt_meter_cust_data.q_max_pos_25;
}
/* ============================================================ // */
static ssize_t fgadc_log_write(struct file *filp, const char __user *buff,
size_t len, loff_t *data)
{
char proc_fgadc_data;
if ((len <= 0) || copy_from_user(&proc_fgadc_data, buff, 1)) {
bm_print(BM_LOG_CRTI, "%s error.\n", __func__);
return -EFAULT;
}
if (proc_fgadc_data == '1') {
bm_print(BM_LOG_CRTI, "enable FGADC driver log system\n");
Enable_FGADC_LOG = BM_LOG_CRTI;
} else if (proc_fgadc_data == '2') {
bm_print(BM_LOG_CRTI, "enable FGADC driver log system:2\n");
Enable_FGADC_LOG = BM_LOG_FULL;
} else {
bm_print(BM_LOG_CRTI, "Disable FGADC driver log system\n");
Enable_FGADC_LOG = 0;
}
return len;
}
static const struct file_operations fgadc_proc_fops = {
.write = fgadc_log_write,
};
int init_proc_log_fg(void)
{
int ret = 0;
#if 1
proc_create("fgadc_log", 0644, NULL, &fgadc_proc_fops);
bm_print(BM_LOG_CRTI, "proc_create fgadc_proc_fops\n");
#else
proc_entry_fgadc = create_proc_entry("fgadc_log", 0644, NULL);
if (proc_entry_fgadc == NULL) {
ret = -ENOMEM;
bm_print(BM_LOG_CRTI,
"%s: Couldn't create proc entry\n",
__func__);
} else {
proc_entry_fgadc->write_proc = fgadc_log_write;
bm_print(BM_LOG_CRTI, "%s loaded.\n", __func__);
}
#endif
return ret;
}
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
/* ============================================================ // */
#ifdef CUSTOM_BATTERY_CYCLE_AGING_DATA
signed int get_battery_aging_factor(signed int cycle)
{
signed int i, f1, f2, c1, c2;
signed int saddles;
saddles = sizeof(battery_aging_table) / sizeof(BATTERY_CYCLE_STRUCT);
for (i = 0; i < saddles; i++) {
if (battery_aging_table[i].cycle == cycle)
return battery_aging_table[i].aging_factor;
if (battery_aging_table[i].cycle > cycle) {
if (i == 0)
return 100;
if (battery_aging_table[i].aging_factor >
battery_aging_table[i - 1].aging_factor) {
f1 = battery_aging_table[i].aging_factor;
f2 = battery_aging_table[i - 1].aging_factor;
c1 = battery_aging_table[i].cycle;
c2 = battery_aging_table[i - 1].cycle;
return f2 +
((cycle - c2) * (f1 - f2)) / (c1 - c2);
} /*else {*/
f1 = battery_aging_table[i - 1].aging_factor;
f2 = battery_aging_table[i].aging_factor;
c1 = battery_aging_table[i].cycle;
c2 = battery_aging_table[i - 1].cycle;
return f2 + ((cycle - c2) * (f1 - f2)) / (c1 - c2);
/*}*/
}
}
return battery_aging_table[saddles - 1].aging_factor;
}
#endif
static ssize_t show_FG_Battery_Cycle(struct device *dev,
struct device_attribute *attr, char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] gFG_battery_cycle : %d\n",
gFG_battery_cycle);
return sprintf(buf, "%d\n", gFG_battery_cycle);
}
static ssize_t store_FG_Battery_Cycle(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
signed int cycle;
#ifdef CUSTOM_BATTERY_CYCLE_AGING_DATA
signed int aging_capacity;
signed int factor;
#endif
if (kstrtoint(buf, 0, &cycle) == 1) {
bm_print(BM_LOG_CRTI, "[FG] update battery cycle count: %d\n",
cycle);
gFG_battery_cycle = cycle;
#ifdef CUSTOM_BATTERY_CYCLE_AGING_DATA
/* perform cycle aging calculation */
factor = get_battery_aging_factor(gFG_battery_cycle);
if (factor > 0 && factor < 100) {
bm_print(BM_LOG_CRTI,
"[FG]cycle count to aging factor %d\n",
factor);
aging_capacity = gFG_BATT_CAPACITY * factor / 100;
if (aging_capacity < gFG_BATT_CAPACITY_aging) {
bm_print(
BM_LOG_CRTI,
"[FG] update gFG_BATT_CAPACITY_aging to %d\n",
aging_capacity);
gFG_BATT_CAPACITY_aging = aging_capacity;
}
}
#endif
} else {
bm_print(BM_LOG_CRTI, "[FG] format error!\n");
}
return size;
}
static DEVICE_ATTR(FG_Battery_Cycle, 0664, show_FG_Battery_Cycle,
store_FG_Battery_Cycle);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_Max_Battery_Voltage(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] gFG_max_voltage : %d\n", gFG_max_voltage);
return sprintf(buf, "%d\n", gFG_max_voltage);
}
static ssize_t store_FG_Max_Battery_Voltage(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
signed int voltage;
if (kstrtoint(buf, 0, &voltage) == 1) {
if (voltage > gFG_max_voltage) {
bm_print(BM_LOG_CRTI,
"[FG] update battery max voltage: %d\n",
voltage);
gFG_max_voltage = voltage;
}
} else {
bm_print(BM_LOG_CRTI, "[FG] format error!\n");
}
return size;
}
static DEVICE_ATTR(FG_Max_Battery_Voltage, 0664, show_FG_Max_Battery_Voltage,
store_FG_Max_Battery_Voltage);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_Min_Battery_Voltage(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] gFG_min_voltage : %d\n", gFG_min_voltage);
return sprintf(buf, "%d\n", gFG_min_voltage);
}
static ssize_t store_FG_Min_Battery_Voltage(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
signed int voltage;
if (kstrtoint(buf, 0, &voltage) == 1) {
if (voltage < gFG_min_voltage) {
bm_print(BM_LOG_CRTI,
"[FG] update battery min voltage: %d\n",
voltage);
gFG_min_voltage = voltage;
}
} else {
bm_print(BM_LOG_CRTI, "[FG] format error!\n");
}
return size;
}
static DEVICE_ATTR(FG_Min_Battery_Voltage, 0664, show_FG_Min_Battery_Voltage,
store_FG_Min_Battery_Voltage);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_Max_Battery_Current(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] gFG_max_current : %d\n", gFG_max_current);
return sprintf(buf, "%d\n", gFG_max_current);
}
static ssize_t store_FG_Max_Battery_Current(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
signed int bat_current;
if (kstrtoint(buf, 0, &bat_current) == 1) {
if (bat_current > gFG_max_current) {
bm_print(BM_LOG_CRTI,
"[FG] update battery max current: %d\n",
bat_current);
gFG_max_current = bat_current;
}
} else {
bm_print(BM_LOG_CRTI, "[FG] format error!\n");
}
return size;
}
static DEVICE_ATTR(FG_Max_Battery_Current, 0664, show_FG_Max_Battery_Current,
store_FG_Max_Battery_Current);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_Min_Battery_Current(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] gFG_min_current : %d\n", gFG_min_current);
return sprintf(buf, "%d\n", gFG_min_current);
}
static ssize_t store_FG_Min_Battery_Current(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
signed int bat_current;
if (kstrtoint(buf, 0, &bat_current) == 1) {
if (bat_current < gFG_min_current) {
bm_print(BM_LOG_CRTI,
"[FG] update battery min current: %d\n",
bat_current);
gFG_min_current = bat_current;
}
} else {
bm_print(BM_LOG_CRTI, "[FG] format error!\n");
}
return size;
}
static DEVICE_ATTR(FG_Min_Battery_Current, 0664, show_FG_Min_Battery_Current,
store_FG_Min_Battery_Current);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_Max_Battery_Temperature(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG]gFG_max_temperature : %d\n",
gFG_max_temperature);
return sprintf(buf, "%d\n", gFG_max_temperature);
}
static ssize_t store_FG_Max_Battery_Temperature(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
signed int temp;
if (kstrtoint(buf, 0, &temp) == 1) {
if (temp > gFG_max_temperature) {
bm_print(BM_LOG_CRTI,
"[FG] update battery max temp: %d\n", temp);
gFG_max_temperature = temp;
}
} else {
bm_print(BM_LOG_CRTI, "[FG] format error!\n");
}
return size;
}
static DEVICE_ATTR(FG_Max_Battery_Temperature, 0664,
show_FG_Max_Battery_Temperature,
store_FG_Max_Battery_Temperature);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_Min_Battery_Temperature(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG]gFG_min_temperature : %d\n",
gFG_min_temperature);
return sprintf(buf, "%d\n", gFG_min_temperature);
}
static ssize_t store_FG_Min_Battery_Temperature(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
signed int temp;
if (kstrtoint(buf, 0, &temp) == 1) {
if (temp < gFG_min_temperature) {
bm_print(BM_LOG_CRTI,
"[FG] update battery min temp: %d\n", temp);
gFG_min_temperature = temp;
}
} else {
bm_print(BM_LOG_CRTI, "[FG] format error!\n");
}
return size;
}
static DEVICE_ATTR(FG_Min_Battery_Temperature, 0664,
show_FG_Min_Battery_Temperature,
store_FG_Min_Battery_Temperature);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_Aging_Factor(struct device *dev,
struct device_attribute *attr, char *buf)
{
bm_print(BM_LOG_CRTI, "[FG]gFG_aging_factor : %d\n", gFG_aging_factor);
return sprintf(buf, "%d\n", gFG_aging_factor);
}
static ssize_t store_FG_Aging_Factor(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
signed int factor;
signed int aging_capacity;
if (kstrtoint(buf, 0, &factor) == 1) {
if (factor <= 100 && factor >= 0) {
bm_print(
BM_LOG_CRTI,
"[FG] update battery aging factor: old(%d), new(%d)\n",
gFG_aging_factor, factor);
gFG_aging_factor = factor;
if (gFG_aging_factor != 100) {
aging_capacity = gFG_BATT_CAPACITY *
gFG_aging_factor / 100;
if (aging_capacity < gFG_BATT_CAPACITY_aging) {
bm_print(
BM_LOG_CRTI,
"[FG] update gFG_BATT_CAPACITY_aging to %d\n",
aging_capacity);
gFG_BATT_CAPACITY_aging =
aging_capacity;
}
}
}
} else {
bm_print(BM_LOG_CRTI, "[FG] format error!\n");
}
return size;
}
static DEVICE_ATTR(FG_Aging_Factor, 0664, show_FG_Aging_Factor,
store_FG_Aging_Factor);
/* -------------------------------------------------------------------------- */
#endif
/* ============================================================ */
static ssize_t show_FG_Current(struct device *dev,
struct device_attribute *attr, char *buf)
{
signed int ret = 0;
signed int fg_current_inout_battery = 0;
signed int val = 0;
enum kal_bool is_charging = 0;
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT, &val);
ret = battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CURRENT_SIGN,
&is_charging);
if (is_charging == KAL_TRUE)
fg_current_inout_battery = 0 - val;
else
fg_current_inout_battery = val;
bm_print(BM_LOG_CRTI, "[FG] gFG_current_inout_battery : %d\n",
fg_current_inout_battery);
return sprintf(buf, "%d\n", fg_current_inout_battery);
}
static ssize_t store_FG_Current(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t size)
{
return size;
}
static DEVICE_ATTR(FG_Current, 0664, show_FG_Current, store_FG_Current);
/* ============================================================ */
static ssize_t show_FG_g_fg_dbg_bat_volt(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_bat_volt : %d\n",
g_fg_dbg_bat_volt);
return sprintf(buf, "%d\n", g_fg_dbg_bat_volt);
}
static ssize_t store_FG_g_fg_dbg_bat_volt(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_bat_volt, 0664, show_FG_g_fg_dbg_bat_volt,
store_FG_g_fg_dbg_bat_volt);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_bat_current(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_bat_current : %d\n",
g_fg_dbg_bat_current);
return sprintf(buf, "%d\n", g_fg_dbg_bat_current);
}
static ssize_t store_FG_g_fg_dbg_bat_current(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_bat_current, 0664, show_FG_g_fg_dbg_bat_current,
store_FG_g_fg_dbg_bat_current);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_bat_zcv(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_bat_zcv : %d\n", g_fg_dbg_bat_zcv);
return sprintf(buf, "%d\n", g_fg_dbg_bat_zcv);
}
static ssize_t store_FG_g_fg_dbg_bat_zcv(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_bat_zcv, 0664, show_FG_g_fg_dbg_bat_zcv,
store_FG_g_fg_dbg_bat_zcv);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_bat_temp(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_bat_temp : %d\n",
g_fg_dbg_bat_temp);
return sprintf(buf, "%d\n", g_fg_dbg_bat_temp);
}
static ssize_t store_FG_g_fg_dbg_bat_temp(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_bat_temp, 0664, show_FG_g_fg_dbg_bat_temp,
store_FG_g_fg_dbg_bat_temp);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_bat_r(struct device *dev,
struct device_attribute *attr, char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_bat_r : %d\n", g_fg_dbg_bat_r);
return sprintf(buf, "%d\n", g_fg_dbg_bat_r);
}
static ssize_t store_FG_g_fg_dbg_bat_r(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_bat_r, 0664, show_FG_g_fg_dbg_bat_r,
store_FG_g_fg_dbg_bat_r);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_bat_car(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_bat_car : %d\n", g_fg_dbg_bat_car);
return sprintf(buf, "%d\n", g_fg_dbg_bat_car);
}
static ssize_t store_FG_g_fg_dbg_bat_car(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_bat_car, 0664, show_FG_g_fg_dbg_bat_car,
store_FG_g_fg_dbg_bat_car);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_bat_qmax(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_bat_qmax : %d\n",
g_fg_dbg_bat_qmax);
return sprintf(buf, "%d\n", g_fg_dbg_bat_qmax);
}
static ssize_t store_FG_g_fg_dbg_bat_qmax(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_bat_qmax, 0664, show_FG_g_fg_dbg_bat_qmax,
store_FG_g_fg_dbg_bat_qmax);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_d0(struct device *dev,
struct device_attribute *attr, char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_d0 : %d\n", g_fg_dbg_d0);
return sprintf(buf, "%d\n", g_fg_dbg_d0);
}
static ssize_t store_FG_g_fg_dbg_d0(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_d0, 0664, show_FG_g_fg_dbg_d0,
store_FG_g_fg_dbg_d0);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_d1(struct device *dev,
struct device_attribute *attr, char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_d1 : %d\n", g_fg_dbg_d1);
return sprintf(buf, "%d\n", g_fg_dbg_d1);
}
static ssize_t store_FG_g_fg_dbg_d1(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_d1, 0664, show_FG_g_fg_dbg_d1,
store_FG_g_fg_dbg_d1);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_percentage(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_percentage : %d\n",
g_fg_dbg_percentage);
return sprintf(buf, "%d\n", g_fg_dbg_percentage);
}
static ssize_t store_FG_g_fg_dbg_percentage(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_percentage, 0664, show_FG_g_fg_dbg_percentage,
store_FG_g_fg_dbg_percentage);
/* -------------------------------------------------------------------------- */
static ssize_t show_FG_g_fg_dbg_percentage_fg(struct device *dev,
struct device_attribute *attr,
char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_percentage_fg : %d\n",
g_fg_dbg_percentage_fg);
return sprintf(buf, "%d\n", g_fg_dbg_percentage_fg);
}
static ssize_t store_FG_g_fg_dbg_percentage_fg(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_percentage_fg, 0664,
show_FG_g_fg_dbg_percentage_fg,
store_FG_g_fg_dbg_percentage_fg);
/* -------------------------------------------------------------------------- */
static ssize_t
show_FG_g_fg_dbg_percentage_voltmode(struct device *dev,
struct device_attribute *attr, char *buf)
{
bm_print(BM_LOG_CRTI, "[FG] g_fg_dbg_percentage_voltmode : %d\n",
g_fg_dbg_percentage_voltmode);
return sprintf(buf, "%d\n", g_fg_dbg_percentage_voltmode);
}
static ssize_t
store_FG_g_fg_dbg_percentage_voltmode(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
return size;
}
static DEVICE_ATTR(FG_g_fg_dbg_percentage_voltmode, 0664,
show_FG_g_fg_dbg_percentage_voltmode,
store_FG_g_fg_dbg_percentage_voltmode);
/* ============================================================ // */
static int battery_meter_probe(struct platform_device *dev)
{
int ret_device_file = 0;
battery_meter_ctrl = bm_ctrl_cmd;
bm_print(BM_LOG_CRTI, "[%s] probe\n", __func__);
batt_meter_init_cust_data();
/* select battery meter control method */
battery_meter_ctrl = bm_ctrl_cmd;
/* LOG System Set */
init_proc_log_fg();
/* last_oam_run_time = rtc_read_hw_time(); */
get_monotonic_boottime(&last_oam_run_time);
/* Create File For FG UI DEBUG */
ret_device_file = device_create_file(&(dev->dev), &dev_attr_FG_Current);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_g_fg_dbg_bat_volt);
ret_device_file = device_create_file(&(dev->dev),
&dev_attr_FG_g_fg_dbg_bat_current);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_g_fg_dbg_bat_zcv);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_g_fg_dbg_bat_temp);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_g_fg_dbg_bat_r);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_g_fg_dbg_bat_car);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_g_fg_dbg_bat_qmax);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_g_fg_dbg_d0);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_g_fg_dbg_d1);
ret_device_file = device_create_file(&(dev->dev),
&dev_attr_FG_g_fg_dbg_percentage);
ret_device_file = device_create_file(
&(dev->dev), &dev_attr_FG_g_fg_dbg_percentage_fg);
ret_device_file = device_create_file(
&(dev->dev), &dev_attr_FG_g_fg_dbg_percentage_voltmode);
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_Battery_Cycle);
ret_device_file =
device_create_file(&(dev->dev), &dev_attr_FG_Aging_Factor);
ret_device_file = device_create_file(&(dev->dev),
&dev_attr_FG_Max_Battery_Voltage);
ret_device_file = device_create_file(&(dev->dev),
&dev_attr_FG_Min_Battery_Voltage);
ret_device_file = device_create_file(&(dev->dev),
&dev_attr_FG_Max_Battery_Current);
ret_device_file = device_create_file(&(dev->dev),
&dev_attr_FG_Min_Battery_Current);
ret_device_file = device_create_file(
&(dev->dev), &dev_attr_FG_Max_Battery_Temperature);
ret_device_file = device_create_file(
&(dev->dev), &dev_attr_FG_Min_Battery_Temperature);
#endif
return 0;
}
static int battery_meter_remove(struct platform_device *dev)
{
bm_print(BM_LOG_CRTI, "[%s]\n", __func__);
return 0;
}
static void battery_meter_shutdown(struct platform_device *dev)
{
}
static int battery_meter_suspend(struct platform_device *dev,
pm_message_t state)
{
#if defined(FG_BAT_INT)
#if defined(CONFIG_POWER_EXT)
#elif defined(SOC_BY_HW_FG)
if (reset_fg_bat_int == KAL_TRUE) {
battery_meter_set_columb_interrupt(gFG_BATT_CAPACITY / 100);
reset_fg_bat_int = KAL_FALSE;
} else {
battery_meter_set_columb_interrupt(0x1ffff);
}
#endif
#endif /* #if defined(FG_BAT_INT) */
/* -- hibernation path */
if (state.event == PM_EVENT_FREEZE) {
pr_debug("[%s] %p:%p\n", __func__, battery_meter_ctrl,
&bm_ctrl_cmd);
battery_meter_ctrl = bm_ctrl_cmd;
}
/* -- end of hibernation path */
#if defined(CONFIG_POWER_EXT)
#elif defined(SOC_BY_SW_FG) || defined(SOC_BY_HW_FG)
{
#ifdef MTK_POWER_EXT_DETECT
if (bat_is_ext_power() == KAL_TRUE)
return 0;
#endif
get_monotonic_boottime(&xts_before_sleep);
get_monotonic_boottime(&g_rtc_time_before_sleep);
if (_g_bat_sleep_total_time >= g_spm_timer)
_g_bat_sleep_total_time = 0;
battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_OCV,
&g_hw_ocv_before_sleep);
}
#endif
bm_print(BM_LOG_CRTI, "[%s]\n", __func__);
return 0;
}
#if defined(SOC_BY_HW_FG)
#ifdef MTK_ENABLE_AGING_ALGORITHM
void battery_aging_check(void)
{
signed int hw_ocv_after_sleep;
struct timespec xts;
signed int vbat;
signed int qmax_aging = 0;
signed int dod_gap = 10;
signed int columb_after_sleep = 0;
#if defined(MD_SLEEP_CURRENT_CHECK)
signed int DOD_hwocv;
signed int DOD_now;
signed int suspend_current = 0;
#endif
battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_OCV, &hw_ocv_after_sleep);
vbat = battery_meter_get_battery_voltage(KAL_TRUE);
bm_print(BM_LOG_CRTI, "@@@ HW_OCV_D3=%d, HW_OCV_D1=%d, VBAT=%d\n",
hw_ocv_after_sleep, g_hw_ocv_before_sleep, vbat);
/* gauge correct */
battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CAR,
&columb_after_sleep);
/* update columb counter to get DOD_now. */
get_monotonic_boottime(&xts);
suspend_time += abs(xts.tv_sec - xts_before_sleep.tv_sec);
_g_bat_sleep_total_time += abs(xts.tv_sec - xts_before_sleep.tv_sec);
#if defined(MD_SLEEP_CURRENT_CHECK)
bm_print(BM_LOG_CRTI, "sleeptime=(%d)s, car_be = %d, car_af = %d\n",
suspend_time, columb_before_sleep, columb_after_sleep);
if (columb_before_sleep == 0x123456) {
columb_before_sleep = columb_after_sleep;
suspend_time = 0;
return;
}
if (hw_ocv_after_sleep != g_hw_ocv_before_sleep) {
if (suspend_time > OCV_RECOVER_TIME) { /* 35 mins */
suspend_current =
abs(columb_after_sleep - columb_before_sleep) *
3600 / suspend_time;
bm_print(
BM_LOG_CRTI,
"[aging check]sleeptime = %d, HW_OCV_D3=%d, car_be = %d, car_af = %d, suspend cur = %d ",
suspend_time, hw_ocv_after_sleep,
columb_before_sleep, columb_after_sleep,
suspend_current);
if (suspend_current < 10) { /* 10mA */
columb_before_sleep = columb_after_sleep;
suspend_time = 0;
bm_print(BM_LOG_CRTI, "1\n");
} else {
columb_before_sleep = columb_after_sleep;
suspend_time = 0;
bm_print(BM_LOG_CRTI, "0\n");
return;
}
} else {
return;
}
} else {
return;
}
#endif
/* aging */
#if !defined(MD_SLEEP_CURRENT_CHECK)
if (suspend_time > OCV_RECOVER_TIME)
#endif
{
if (aging_ocv_1 == 0) {
aging_ocv_1 = hw_ocv_after_sleep;
aging_car_1 = columb_after_sleep;
/* aging_resume_time_1 = time_after_sleep.tv_sec; */
if (fgauge_read_d_by_v(aging_ocv_1) >
DOD1_ABOVE_THRESHOLD) {
aging_ocv_1 = 0;
bm_print(
BM_LOG_CRTI,
"[aging check] reset and find next aging_ocv1 for better precision\n");
}
} else if (aging_ocv_2 == 0) {
aging_ocv_2 = hw_ocv_after_sleep;
aging_car_2 = columb_after_sleep;
/* aging_resume_time_2 = time_after_sleep.tv_sec; */
if (fgauge_read_d_by_v(aging_ocv_2) <
DOD2_BELOW_THRESHOLD) {
aging_ocv_2 = 0;
bm_print(
BM_LOG_CRTI,
"[aging check] reset and find next aging_ocv2 for better precision\n");
}
} else {
aging_ocv_1 = aging_ocv_2;
aging_car_1 = aging_car_2;
/* aging_resume_time_1 = aging_resume_time_2; */
aging_ocv_2 = hw_ocv_after_sleep;
aging_car_2 = columb_after_sleep;
/* aging_resume_time_2 = time_after_sleep.tv_sec; */
}
}
if (aging_ocv_2 > 0) {
aging_dod_1 = fgauge_read_d_by_v(aging_ocv_1);
aging_dod_2 = fgauge_read_d_by_v(aging_ocv_2);
/* check dod region to avoid hwocv error margin */
dod_gap = MIN_DOD_DIFF_THRESHOLD;
/* check if DOD gap bigger than setting */
if (aging_dod_2 > aging_dod_1 &&
(aging_dod_2 - aging_dod_1) >= dod_gap) {
/* do aging calculation */
qmax_aging = (100 * (aging_car_1 - aging_car_2)) /
(aging_dod_2 - aging_dod_1);
/* update if aging over 10%. */
if (gFG_BATT_CAPACITY > qmax_aging &&
((gFG_BATT_CAPACITY - qmax_aging) >
(gFG_BATT_CAPACITY / (100 - MIN_AGING_FACTOR)))) {
bm_print(
BM_LOG_CRTI,
"[aging check] before apply aging, qmax_aging(%d) qmax_now(%d) ocv1(%d) dod1(%d) car1(%d) ocv2(%d) dod2(%d) car2(%d)\n",
qmax_aging, gFG_BATT_CAPACITY,
aging_ocv_1, aging_dod_1, aging_car_1,
aging_ocv_2, aging_dod_2, aging_car_2);
#ifdef MTK_BATTERY_LIFETIME_DATA_SUPPORT
gFG_aging_factor =
((gFG_BATT_CAPACITY - qmax_aging) *
100) /
gFG_BATT_CAPACITY;
#endif
if (gFG_BATT_CAPACITY_aging > qmax_aging) {
bm_print(
BM_LOG_CRTI,
"[aging check] new qmax_aging %d old qmax_aging %d\n",
qmax_aging,
gFG_BATT_CAPACITY_aging);
gFG_BATT_CAPACITY_aging = qmax_aging;
gFG_DOD0 = aging_dod_2;
gFG_DOD1 = gFG_DOD0;
reset_parameter_car();
} else {
bm_print(
BM_LOG_CRTI,
"[aging check] current qmax_aging %d is smaller than calculated qmax_aging %d\n",
gFG_BATT_CAPACITY_aging,
qmax_aging);
}
} else {
aging_ocv_2 = 0;
bm_print(
BM_LOG_CRTI,
"[aging check] show no degrade, qmax_aging(%d) qmax_now(%d) ocv1(%d) dod1(%d) car1(%d) ocv2(%d) dod2(%d) car2(%d)\n",
qmax_aging, gFG_BATT_CAPACITY,
aging_ocv_1, aging_dod_1, aging_car_1,
aging_ocv_2, aging_dod_2, aging_car_2);
bm_print(
BM_LOG_CRTI,
"[aging check] reset and find next aging_ocv2\n");
}
} else {
aging_ocv_2 = 0;
bm_print(
BM_LOG_CRTI,
"[aging check] reset and find next aging_ocv2\n");
}
bm_print(
BM_LOG_CRTI,
"[aging check] qmax_aging(%d) qmax_now(%d) ocv1(%d) dod1(%d) car1(%d) ocv2(%d) dod2(%d) car2(%d)\n",
qmax_aging, gFG_BATT_CAPACITY, aging_ocv_1, aging_dod_1,
aging_car_1, aging_ocv_2, aging_dod_2, aging_car_2);
}
#if defined(MD_SLEEP_CURRENT_CHECK)
/* self-discharging */
if (hw_ocv_after_sleep < vbat) {
bm_print(BM_LOG_CRTI, "Ignore HW_OCV : smaller than VBAT\n");
} else {
DOD_hwocv = fgauge_read_d_by_v(hw_ocv_after_sleep);
battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_FG_CAR,
&gFG_columb);
/* update columb counter to get DOD_now. */
DOD_now = 100 - fgauge_read_capacity(1);
if (DOD_hwocv > DOD_now &&
(DOD_hwocv - DOD_now > SELF_DISCHARGE_CHECK_THRESHOLD)) {
gFG_DOD0 = DOD_hwocv;
gFG_DOD1 = gFG_DOD0;
reset_parameter_car();
bm_print(
BM_LOG_CRTI,
"[self-discharge check] reset to HWOCV. dod_ocv(%d) dod_now(%d)\n",
DOD_hwocv, DOD_now);
}
bm_print(BM_LOG_CRTI,
"[self-discharge check] dod_ocv(%d) dod_now(%d)\n",
DOD_hwocv, DOD_now);
bm_print(BM_LOG_CRTI,
"be_ocv=(%d), af_ocv=(%d), D0=(%d), car=(%d)\n",
g_hw_ocv_before_sleep, hw_ocv_after_sleep, gFG_DOD0,
gFG_columb);
}
#endif
}
#endif
#endif
static int battery_meter_resume(struct platform_device *dev)
{
#if defined(CONFIG_POWER_EXT)
#elif defined(SOC_BY_SW_FG) || defined(SOC_BY_HW_FG)
#if defined(SOC_BY_SW_FG)
signed int hw_ocv_after_sleep;
signed int DOD_hwocv;
struct timespec now_time;
#endif
signed int sleep_interval;
struct timespec rtc_time_after_sleep;
#ifdef MTK_POWER_EXT_DETECT
if (bat_is_ext_power() == KAL_TRUE)
return 0;
#endif
get_monotonic_boottime(&rtc_time_after_sleep);
sleep_interval =
rtc_time_after_sleep.tv_sec - g_rtc_time_before_sleep.tv_sec;
_g_bat_sleep_total_time += sleep_interval;
battery_log(
BAT_LOG_CRTI,
"[%s]sleep interval=%d sleep time = %d, g_spm_timer = %d\n",
__func__, sleep_interval, _g_bat_sleep_total_time, g_spm_timer);
#if defined(SOC_BY_HW_FG)
#ifdef MTK_ENABLE_AGING_ALGORITHM
if (bat_is_charger_exist() == KAL_FALSE)
battery_aging_check();
#endif
#endif
/* trigger gauge update if accumulated */
/* sleep time more than give period */
if (_g_bat_sleep_total_time >= g_spm_timer)
bat_spm_timeout = true;
#if defined(SOC_BY_SW_FG)
/* trigger gauge update if oam_run() */
/* not run in the last 30s kernel active time */
getrawmonotonic(&now_time);
if (now_time.tv_sec - last_oam_run_time.tv_sec > 30) {
bat_spm_timeout = true;
pr_debug(
"[battery_meter] trigger oam_run() for 30s threshold.\n");
}
battery_meter_ctrl(BATTERY_METER_CMD_GET_HW_OCV, &hw_ocv_after_sleep);
/* try to calibrate D0 by HWOCV */
/* if battery has no loading for more than 30mins */
if (sleep_interval > 1800 && bat_is_charger_exist() == KAL_FALSE) {
DOD_hwocv = fgauge_read_d_by_v(hw_ocv_after_sleep);
if (hw_ocv_after_sleep < g_hw_ocv_before_sleep) {
oam_d0 = DOD_hwocv;
oam_v_ocv_2 = oam_v_ocv_1 = hw_ocv_after_sleep;
oam_car_1 = 0;
oam_car_2 = 0;
bm_print(
BM_LOG_CRTI,
"[self-discharge check] reset to HWOCV. dod_ocv(%d) dod_now(%d)\n",
DOD_hwocv, oam_d_2);
} else {
/* 0.1mAh */
oam_car_1 = oam_car_1 + (40 * sleep_interval / 3600);
/* 0.1mAh */
oam_car_2 = oam_car_2 + (40 * sleep_interval / 3600);
}
bm_print(BM_LOG_CRTI,
"[self-discharge check] dod_ocv(%d) dod_now(%d)\n",
DOD_hwocv, oam_d_2);
} else {
/* 0.1mAh */
oam_car_1 = oam_car_1 + (40 * sleep_interval / 3600);
/* 0.1mAh */
oam_car_2 = oam_car_2 + (40 * sleep_interval / 3600);
}
bm_print(
BM_LOG_CRTI,
"sleeptime=(%d:%d)s, be_ocv=(%d), af_ocv=(%d), D0=(%d), car1=(%d), car2=(%d)\n",
_g_bat_sleep_total_time, sleep_interval, g_hw_ocv_before_sleep,
hw_ocv_after_sleep, oam_d0, oam_car_1, oam_car_2);
#endif
#endif
#if defined(FG_BAT_INT)
#if defined(CONFIG_POWER_EXT)
#elif defined(SOC_BY_HW_FG)
/*battery_meter_set_columb_interrupt(0);*/
#endif
#endif
/* #if defined(FG_BAT_INT) */
bm_print(BM_LOG_CRTI, "[%s]\n", __func__);
return 0;
}
/* ----------------------------------------------------- */
#ifdef CONFIG_OF
static const struct of_device_id mt_bat_meter_of_match[] = {
{
.compatible = "mediatek,bat_meter",
},
{},
};
MODULE_DEVICE_TABLE(of, mt_bat_meter_of_match);
#endif
struct platform_device battery_meter_device = {
.name = "battery_meter", .id = -1,
};
static struct platform_driver battery_meter_driver = {
.probe = battery_meter_probe,
.remove = battery_meter_remove,
.shutdown = battery_meter_shutdown,
.suspend = battery_meter_suspend,
.resume = battery_meter_resume,
.driver = {
.name = "battery_meter",
},
};
static int battery_meter_dts_probe(struct platform_device *dev)
{
int ret = 0;
/* struct proc_dir_entry *entry = NULL; */
battery_log(BAT_LOG_CRTI,
"******** %s!! ********\n", __func__);
battery_meter_device.dev.of_node = dev->dev.of_node;
ret = platform_device_register(&battery_meter_device);
if (ret) {
battery_log(
BAT_LOG_CRTI,
"****[%s] Unable to register device (%d)\n",
__func__, ret);
return ret;
}
return 0;
}
static struct platform_driver battery_meter_dts_driver = {
.probe = battery_meter_dts_probe,
.remove = NULL,
.shutdown = NULL,
.suspend = NULL,
.resume = NULL,
.driver = {
.name = "battery_meter_dts",
#ifdef CONFIG_OF
.of_match_table = mt_bat_meter_of_match,
#endif
},
};
static int __init battery_meter_init(void)
{
int ret;
#ifdef CONFIG_OF
/* */
#else
ret = platform_device_register(&battery_meter_device);
if (ret) {
bm_print(
BM_LOG_CRTI,
"[battery_meter_driver]Unable to register device(%d)\n",
ret);
return ret;
}
#endif
ret = platform_driver_register(&battery_meter_driver);
if (ret) {
bm_print(
BM_LOG_CRTI,
"[battery_meter_driver]Unable to register driver(%d)\n",
ret);
return ret;
}
#ifdef CONFIG_OF
ret = platform_driver_register(&battery_meter_dts_driver);
#endif
bm_print(BM_LOG_CRTI, "[battery_meter_driver] Initialization : DONE\n");
return 0;
}
#ifdef BATTERY_MODULE_INIT
/* #if 0 */
/* late_initcall(battery_meter_init); */
device_initcall(battery_meter_init);
#else
static void __exit battery_meter_exit(void)
{
}
module_init(battery_meter_init);
/* module_exit(battery_meter_exit); */
#endif
MODULE_AUTHOR("James Lo");
MODULE_DESCRIPTION("Battery Meter Device Driver");
MODULE_LICENSE("GPL");
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