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kernel_samsung_a34x-permissive/drivers/power/supply/mediatek/linear_charging.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/kernel.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <mach/mt_charging.h>
#include <mt-plat/battery_common.h>
#include <mt-plat/battery_meter.h>
#include <mt-plat/charging.h>
#include <mt-plat/mtk_boot.h>
/* ============================================================ // */
/* define */
/* ============================================================ // */
/* cut off to full */
#define POST_CHARGING_TIME (30 * 60) /* 30mins */
#define CV_CHECK_DELAT_FOR_BANDGAP 80 /* 80mV */
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
#define BJT_LIMIT 1200000 /* 1.2W */
#ifndef TA_START_VCHR_TUNUNG_VOLTAGE
#define TA_START_VCHR_TUNUNG_VOLTAGE 3700 /* for isink blink issue */
#define TA_CHARGING_CURRENT CHARGE_CURRENT_1500_00_MA
#endif /* TA_START_VCHR_TUNUNG_VOLTAG */
#endif /* MTK_PUMP_EXPRESS_SUPPORT */
/* ============================================================ // */
/* global variable */
/* ============================================================ // */
unsigned int g_bcct_flag;
enum CHR_CURRENT_ENUM g_temp_CC_value = CHARGE_CURRENT_0_00_MA;
unsigned int g_usb_state = USB_UNCONFIGURED;
unsigned int charging_full_current; /* = CHARGING_FULL_CURRENT; */ /* mA */
unsigned int v_cc2topoff_threshold; /* = V_CC2TOPOFF_THRES; */
enum CHR_CURRENT_ENUM ulc_cv_charging_current; /* = AC_CHARGER_CURRENT; */
enum kal_bool ulc_cv_charging_current_flag;
static bool usb_unlimited;
#if (CONFIG_MTK_GAUGE_VERSION == 20)
enum BATTERY_VOLTAGE_ENUM g_cv_voltage = BATTERY_VOLT_04_200000_V;
#endif
/* //////////////////////////////////////////////////////////////////////// */
/* // JEITA */
/* //////////////////////////////////////////////////////////////////////// */
#if defined(CONFIG_MTK_JEITA_STANDARD_SUPPORT)
int g_jeita_recharging_voltage = JEITA_RECHARGE_VOLTAGE;
int g_temp_status = TEMP_POS_10_TO_POS_45;
enum kal_bool temp_error_recovery_chr_flag = KAL_TRUE;
#endif
/* //////////////////////////////////////////////////////////////////////// */
/* // PUMP EXPRESS */
/* //////////////////////////////////////////////////////////////////////// */
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
struct wakeup_source *TA_charger_suspend_lock;
CHR_CURRENT_ENUM ta_charging_current = TA_CHARGING_CURRENT;
int ta_current_level = 5000;
int ta_pre_vbat;
enum kal_bool ta_check_chr_type = KAL_TRUE;
enum kal_bool ta_check_ta_control;
enum kal_bool ta_vchr_tuning;
enum kal_bool first_vchr_det = KAL_TRUE;
enum kal_bool ta_cable_out_occur;
enum kal_bool is_ta_connect;
#endif
/* ============================================================ // */
static void __init_charging_varaibles(void)
{
static int init_flag;
if (init_flag == 0) {
init_flag = 1;
charging_full_current = batt_cust_data.charging_full_current;
v_cc2topoff_threshold = batt_cust_data.v_cc2topoff_thres;
ulc_cv_charging_current = batt_cust_data.ac_charger_current;
}
}
void BATTERY_SetUSBState(int usb_state_value)
{
#if defined(CONFIG_POWER_EXT)
battery_log(BAT_LOG_CRTI,
"[%s] in FPGA/EVB, no service\r\n", __func__);
#else
if ((usb_state_value < USB_SUSPEND) ||
((usb_state_value > USB_CONFIGURED))) {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] BAT_SetUSBState Fail! Restore to default value\r\n");
usb_state_value = USB_UNCONFIGURED;
} else {
battery_log(BAT_LOG_CRTI,
"[BATTERY] BAT_SetUSBState Success! Set %d\r\n",
usb_state_value);
g_usb_state = usb_state_value;
}
#endif
}
/* EXPORT_SYMBOL(BATTERY_SetUSBState); */
/* EXPORT_SYMBOL(BATTERY_SetUSBState); */
#if (CONFIG_MTK_GAUGE_VERSION == 20)
unsigned int get_cv_voltage(void)
{
return g_cv_voltage;
}
#endif
unsigned int get_charging_setting_current(void)
{
return g_temp_CC_value;
}
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
static DEFINE_MUTEX(ta_mutex);
static void mtk_ta_decrease(void)
{
enum kal_bool ta_current_pattern = KAL_FALSE; /* FALSE = decrease */
/* if(BMT_status.charger_exist == KAL_TRUE) */
if (ta_cable_out_occur == KAL_FALSE) {
battery_charging_control(CHARGING_CMD_SET_TA_CURRENT_PATTERN,
&ta_current_pattern);
ta_current_level -= 200;
} else {
ta_check_chr_type = KAL_TRUE;
/* is_ta_connect = KAL_FALSE; */
battery_log(BAT_LOG_CRTI, "%s() Cable out\n",
__func__);
}
}
static void mtk_ta_increase(void)
{
enum kal_bool ta_current_pattern = KAL_TRUE; /* TRUE = increase */
/* if(BMT_status.charger_exist == KAL_TRUE) */
if (ta_cable_out_occur == KAL_FALSE) {
battery_charging_control(CHARGING_CMD_SET_TA_CURRENT_PATTERN,
&ta_current_pattern);
ta_current_level += 200;
} else {
ta_check_chr_type = KAL_TRUE;
/* is_ta_connect = KAL_FALSE; */
battery_log(BAT_LOG_CRTI, "%s() Cable out\n",
__func__);
}
}
static void mtk_ta_reset_vchr(void)
{
CHR_CURRENT_ENUM chr_current = CHARGE_CURRENT_70_00_MA;
battery_charging_control(CHARGING_CMD_SET_CURRENT, &chr_current);
msleep(250); /* reset Vchr to 5V */
ta_current_level = 5000;
battery_log(BAT_LOG_CRTI, "%s(): reset Vchr to 5V\n",
__func__);
}
static void mtk_ta_init(void)
{
ta_current_level = 5000;
is_ta_connect = KAL_FALSE;
ta_pre_vbat = 0;
ta_vchr_tuning = KAL_FALSE;
ta_check_ta_control = KAL_FALSE;
ta_cable_out_occur = KAL_FALSE;
battery_charging_control(CHARGING_CMD_RESET_WATCH_DOG_TIMER, NULL);
battery_charging_control(CHARGING_CMD_INIT, NULL);
}
int ta_get_charger_voltage(void)
{
int voltage = 0;
int i;
for (i = 0; i < 10; i++)
voltage = voltage + battery_meter_get_charger_voltage();
return voltage / 10;
}
static void mtk_ta_detector(void)
{
int real_v_chrA;
int real_v_chrB;
enum kal_bool retransmit = KAL_TRUE;
unsigned int retransmit_count = 0;
unsigned int charging_enable = true;
battery_log(BAT_LOG_CRTI, "%s() start\n", __func__);
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
do {
real_v_chrA = ta_get_charger_voltage();
mtk_ta_decrease();
mtk_ta_decrease();
real_v_chrB = ta_get_charger_voltage();
if (real_v_chrA - real_v_chrB >= 300) { /* 0.3V */
retransmit = KAL_FALSE;
is_ta_connect = KAL_TRUE;
} else {
retransmit_count++;
battery_log(
BAT_LOG_CRTI,
"%s(): retransmit_count =%d, chrA=%d, chrB=%d\n",
__func__,
retransmit_count, real_v_chrA, real_v_chrB);
mtk_ta_reset_vchr();
}
if ((retransmit_count == 3) ||
(BMT_status.charger_exist == KAL_FALSE)) {
retransmit = KAL_FALSE;
is_ta_connect = KAL_FALSE;
}
} while ((retransmit == KAL_TRUE) && (ta_cable_out_occur == KAL_FALSE));
battery_log(
BAT_LOG_CRTI,
"%s() ta_current_level=%d, real_v_chrA=%d, real_v_chrB=%d, is_ta_connect=%d\n",
__func__, ta_current_level, real_v_chrA,
real_v_chrB, is_ta_connect);
battery_log(
BAT_LOG_CRTI,
"%s() end, retry_count=%d, ta_cable_out_occur=%d\n",
__func__, retransmit_count, ta_cable_out_occur);
}
static void mtk_tuning_voltage(int curr_level, int target_level)
{
int is_increase = 0;
int exec_level = 0;
CHR_CURRENT_ENUM chr_current = CHARGE_CURRENT_70_00_MA;
/* if(BMT_status.charger_exist == KAL_TRUE) */
if (ta_cable_out_occur == KAL_FALSE) {
battery_log(BAT_LOG_CRTI, "%s() start\n",
__func__);
if (curr_level >= target_level) {
exec_level = (curr_level - target_level) / 200;
is_increase = 0;
} else {
exec_level = (target_level - curr_level) / 200;
is_increase = 1;
}
if (exec_level == 0) { /* curr_level == target_level */
battery_charging_control(CHARGING_CMD_SET_CURRENT,
&chr_current);
msleep(50);
/* for VChr reading to check error occur or not */
}
battery_log(
BAT_LOG_CRTI,
"%s() before : ta_current_level=%d, real_v_chr=%d, is_ta_connect=%d, is_increase=%d, exec_level=%d\n",
__func__,
ta_current_level, battery_meter_get_charger_voltage(),
is_ta_connect, is_increase, exec_level);
while ((exec_level > 0) && (ta_cable_out_occur == KAL_FALSE)) {
if (is_increase == 1)
mtk_ta_increase();
else
mtk_ta_decrease();
battery_log(
BAT_LOG_CRTI,
"%s() after ta_current_level=%d, real_v_chr=%d, is_ta_connect=%d, is_increase=%d, exec_level=%d\n",
__func__, ta_current_level,
battery_meter_get_charger_voltage(),
is_ta_connect, is_increase, exec_level);
exec_level--;
}
battery_log(BAT_LOG_CRTI, "%s() end\n", __func__);
} else {
ta_check_chr_type = KAL_TRUE;
/* is_ta_connect = KAL_FALSE; */
battery_log(BAT_LOG_CRTI, "%s(), Cable Out\n", __func__);
}
}
static void select_v_chr_candidate(int curr_vbat, int ta_v_chr_candidate[])
{
battery_log(BAT_LOG_CRTI, "%s() start\n", __func__);
if (curr_vbat > 4200)
ta_v_chr_candidate[0] = 4600;
else if (curr_vbat > 4000)
ta_v_chr_candidate[0] = 4400;
else if (curr_vbat > 3800)
ta_v_chr_candidate[0] = 4200;
else if (curr_vbat > 3600)
ta_v_chr_candidate[0] = 4000;
else
ta_v_chr_candidate[0] = 3800;
ta_v_chr_candidate[1] = ta_v_chr_candidate[0] + 200;
ta_v_chr_candidate[2] = ta_v_chr_candidate[0] + 400;
ta_v_chr_candidate[3] = ta_v_chr_candidate[0] + 600;
battery_log(BAT_LOG_CRTI,
"%s() vbat=%d, candidate=%d,%d,%d\n",
__func__, curr_vbat, ta_v_chr_candidate[1],
ta_v_chr_candidate[2],
ta_v_chr_candidate[3]);
battery_log(BAT_LOG_CRTI, "%s() end\n", __func__);
}
static void mtk_ta_vchr_select(int i, int ta_v_chr_candidate[],
int ta_charging_current_candidate[],
int *max_charging_current,
int *max_charging_current_i)
{
int current_vchr;
enum kal_bool retransmit = KAL_TRUE;
unsigned int retransmit_count = 0;
current_vchr = battery_meter_get_charger_voltage();
/* pattern error before, so reset vchr to 5V */
if (ta_current_level != 5000 && current_vchr >= 4900) {
battery_log(
BAT_LOG_CRTI,
"%s() : curr_VChr=%d, ta_current_level=%d\n",
__func__, current_vchr, ta_current_level);
mtk_ta_reset_vchr();
}
do {
mtk_tuning_voltage(ta_current_level, ta_v_chr_candidate[i]);
current_vchr = battery_meter_get_charger_voltage();
if ((abs(current_vchr - ta_current_level) > 300) &&
(ta_cable_out_occur == KAL_FALSE)) {
/* variation > 0.3V, error occur */
retransmit_count++;
battery_log(
BAT_LOG_CRTI,
"%s(): retransmit_count =%d, cur_chr=%d, ta_current_level=%d\n",
__func__, retransmit_count, current_vchr,
ta_current_level);
mtk_ta_reset_vchr();
} else
retransmit = KAL_FALSE;
if ((retransmit_count == 2) || (ta_cable_out_occur == KAL_TRUE))
retransmit = KAL_FALSE;
} while ((retransmit == KAL_TRUE) && (ta_cable_out_occur == KAL_FALSE));
/* 1.5A */
battery_charging_control(CHARGING_CMD_SET_CURRENT,
&ta_charging_current);
battery_log(BAT_LOG_CRTI,
"%s() : use 1.5A for select max current\n",
__func__);
msleep(900); /* over 800ms to avoid interference pattern */
ta_charging_current_candidate[i] =
battery_meter_get_charging_current_imm();
/* we hope to choose the less VChr if the current */
/* difference between 2 step */
/* is not large, so we add weighting for different VChr step*/
if (i == 1) /* weighting, plus 120mA for Vbat+0.4V */
ta_charging_current_candidate[i] += 100;
else if (i == 2) /* weighting, plug 60mA for Vbat+0.6V */
ta_charging_current_candidate[i] += 50;
if (ta_charging_current_candidate[i] > *max_charging_current) {
*max_charging_current = ta_charging_current_candidate[i];
*max_charging_current_i = i;
}
}
static void mtk_ta_BJT_check(void)
{
int curr_vbat = 0;
int curr_current = 0;
int vchr = 0;
int watt = 0;
int i = 0, cnt = 0;
for (i = 0; i < 3; i++) {
vchr = battery_meter_get_charger_voltage();
curr_vbat = battery_meter_get_battery_voltage(KAL_TRUE);
curr_current = battery_meter_get_charging_current_imm();
watt = ((vchr - curr_vbat) * curr_current);
battery_log(
BAT_LOG_CRTI,
"%s() vchr=%d, vbat=%d, current=%d, Watt=%d, ta_current_level=%d\n",
__func__, vchr, curr_vbat, curr_current,
watt, ta_current_level);
if (watt > BJT_LIMIT) /* 1.2W */
cnt++;
else
break;
msleep(200);
}
if (cnt >= 3)
is_ta_connect = KAL_FALSE;
battery_log(
BAT_LOG_CRTI,
"%s() vchr=%d, vbat=%d, current=%d, Watt=%d, ta_current_level=%d cnt=%d\n",
__func__, vchr, curr_vbat, curr_current,
watt, ta_current_level, cnt);
}
static void battery_pump_express_charger_check(void)
{
if (ta_check_chr_type == KAL_TRUE &&
BMT_status.charger_type == STANDARD_CHARGER) {
mutex_lock(&ta_mutex);
__pm_stay_awake(TA_charger_suspend_lock);
mtk_ta_reset_vchr();
mtk_ta_init();
mtk_ta_detector();
first_vchr_det = KAL_TRUE;
if (ta_cable_out_occur == KAL_FALSE) {
ta_check_chr_type = KAL_FALSE;
} else {
/* need to re-check if the charger plug out during ta */
/* detector */
ta_check_chr_type = KAL_TRUE;
}
__pm_relax(TA_charger_suspend_lock);
mutex_unlock(&ta_mutex);
}
}
static void battery_pump_express_algorithm_start(void)
{
int ta_v_chr_candidate[4] = {0, 0, 0, 0};
int ta_charging_current_candidate[4] = {0, 0, 0, 0};
int max_charging_current = 0;
int max_charging_current_i = 0;
int curr_vbat = 0;
int i = 0;
int ta_cv_vchr;
unsigned int cv_voltage;
if (batt_cust_data.high_battery_voltage_support)
cv_voltage = 4350;
else
cv_voltage = 4200;
mutex_lock(&ta_mutex);
__pm_stay_awake(TA_charger_suspend_lock);
if (is_ta_connect == KAL_TRUE) {
battery_log(BAT_LOG_CRTI, "mtk_ta_algorithm() start\n");
curr_vbat = battery_meter_get_battery_voltage(KAL_TRUE);
if (((curr_vbat - ta_pre_vbat) > 100) &&
(curr_vbat <
(cv_voltage - (CV_CHECK_DELAT_FOR_BANDGAP + 20))) &&
(curr_vbat > TA_START_VCHR_TUNUNG_VOLTAGE)) {
/*cv -0.12V && to avoid screen flash( VBAT less than */
/* 3.7V) */
ta_pre_vbat = curr_vbat;
select_v_chr_candidate(curr_vbat, ta_v_chr_candidate);
if (first_vchr_det == KAL_TRUE) {
for (i = 3; i >= 1;
i--) {
/* measure VBAT+0.8V, VBAT+0.6V */
/* then VBAT+0.4V */
if (ta_cable_out_occur == KAL_FALSE)
mtk_ta_vchr_select(
i, ta_v_chr_candidate,
ta_charging_current_candidate,
&max_charging_current,
&max_charging_current_i);
}
first_vchr_det = KAL_FALSE;
} else {
for (
i = 1; i <= 3;
i++) {
/* measure VBAT+0.4V,VBAT+0.6V */
/* then VBAT+0.8V */
if (ta_cable_out_occur == KAL_FALSE)
mtk_ta_vchr_select(
i, ta_v_chr_candidate,
ta_charging_current_candidate,
&max_charging_current,
&max_charging_current_i);
}
}
battery_log(
BAT_LOG_CRTI,
"mtk_ta_algorithm() candidate=%d,%d,%d,%d ; i=%d,%d,%d,%d ; max_charging_current_i=%d\n",
ta_v_chr_candidate[0], ta_v_chr_candidate[1],
ta_v_chr_candidate[2], ta_v_chr_candidate[3],
ta_charging_current_candidate[0],
ta_charging_current_candidate[1],
ta_charging_current_candidate[2],
ta_charging_current_candidate[3],
max_charging_current_i);
mtk_tuning_voltage(
ta_current_level,
ta_v_chr_candidate[max_charging_current_i]);
ta_vchr_tuning = KAL_TRUE;
ta_check_ta_control = KAL_TRUE;
} else if (curr_vbat >=
(cv_voltage - (CV_CHECK_DELAT_FOR_BANDGAP + 20))) {
if (cv_voltage == 4200)
ta_cv_vchr = 4800;
else /* cv 4.35V */
ta_cv_vchr = 5000;
if (ta_current_level != ta_cv_vchr)
mtk_tuning_voltage(ta_current_level,
ta_cv_vchr);
ta_vchr_tuning = KAL_TRUE;
ta_check_ta_control = KAL_FALSE;
battery_log(
BAT_LOG_CRTI,
"mtk_ta_algorithm(),curr_vbat > cv_voltage, ta_current_level=%d, cv_voltage=%d, ta_cv_vchr=%d,",
ta_current_level, cv_voltage, ta_cv_vchr);
}
/* --for normal charging */
if ((is_ta_connect == KAL_TRUE) &&
(curr_vbat > TA_START_VCHR_TUNUNG_VOLTAGE) &&
(ta_check_ta_control == KAL_TRUE)) {
/* to avoid screen flash( VBAT less than 3.7V) */
battery_charging_control(
CHARGING_CMD_SET_CURRENT,
&ta_charging_current); /* 1.5A */
battery_log(
BAT_LOG_CRTI,
"mtk_ta_algorithm() : detect TA, use 1.5A for normal charging, curr_vbat=%d, ta_pre_vbat=%d, ta_current_level=%d\n",
curr_vbat, ta_pre_vbat, ta_current_level);
/* msleep(1500); */
}
/* ------------------------ */
mtk_ta_BJT_check();
battery_log(BAT_LOG_CRTI, "mtk_ta_algorithm() end\n");
} else {
battery_log(BAT_LOG_CRTI,
"It's not a TA charger, bypass TA algorithm\n");
}
__pm_relax(TA_charger_suspend_lock);
mutex_unlock(&ta_mutex);
}
#endif
#if defined(CONFIG_MTK_JEITA_STANDARD_SUPPORT)
static BATTERY_VOLTAGE_ENUM select_jeita_cv(void)
{
BATTERY_VOLTAGE_ENUM cv_voltage;
if (g_temp_status == TEMP_ABOVE_POS_60) {
cv_voltage = JEITA_TEMP_ABOVE_POS_60_CV_VOLTAGE;
} else if (g_temp_status == TEMP_POS_45_TO_POS_60) {
cv_voltage = JEITA_TEMP_POS_45_TO_POS_60_CV_VOLTAGE;
} else if (g_temp_status == TEMP_POS_10_TO_POS_45) {
if (batt_cust_data.high_battery_voltage_support)
cv_voltage = BATTERY_VOLT_04_350000_V;
else
cv_voltage = JEITA_TEMP_POS_10_TO_POS_45_CV_VOLTAGE;
} else if (g_temp_status == TEMP_POS_0_TO_POS_10) {
cv_voltage = JEITA_TEMP_POS_0_TO_POS_10_CV_VOLTAGE;
} else if (g_temp_status == TEMP_NEG_10_TO_POS_0) {
cv_voltage = JEITA_TEMP_NEG_10_TO_POS_0_CV_VOLTAGE;
} else if (g_temp_status == TEMP_BELOW_NEG_10) {
cv_voltage = JEITA_TEMP_BELOW_NEG_10_CV_VOLTAGE;
} else {
cv_voltage = BATTERY_VOLT_04_200000_V;
}
return cv_voltage;
}
unsigned int do_jeita_state_machine(void)
{
BATTERY_VOLTAGE_ENUM cv_voltage;
/* JEITA battery temp Standard */
if (BMT_status.temperature >= TEMP_POS_60_THRESHOLD) {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Over high Temperature(%d) !!\n\r",
TEMP_POS_60_THRESHOLD);
g_temp_status = TEMP_ABOVE_POS_60;
return PMU_STATUS_FAIL;
} else if (BMT_status.temperature > TEMP_POS_45_THRESHOLD) {
if ((g_temp_status == TEMP_ABOVE_POS_60) &&
(BMT_status.temperature >=
TEMP_POS_60_THRES_MINUS_X_DEGREE)) {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Temperature between %d and %d,not allow charging yet!!\n\r",
TEMP_POS_60_THRES_MINUS_X_DEGREE,
TEMP_POS_60_THRESHOLD);
return PMU_STATUS_FAIL;
} /*else { */
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Temperature between %d and %d !!\n\r",
TEMP_POS_45_THRESHOLD, TEMP_POS_60_THRESHOLD);
g_temp_status = TEMP_POS_45_TO_POS_60;
g_jeita_recharging_voltage =
JEITA_TEMP_POS_45_TO_POS_60_RECHARGE_VOLTAGE;
v_cc2topoff_threshold =
JEITA_TEMP_POS_45_TO_POS_60_CC2TOPOFF_THRESHOLD;
charging_full_current = batt_cust_data.charging_full_current;
/*} */
} else if (BMT_status.temperature >= TEMP_POS_10_THRESHOLD) {
if (((g_temp_status == TEMP_POS_45_TO_POS_60) &&
(BMT_status.temperature >=
TEMP_POS_45_THRES_MINUS_X_DEGREE)) ||
((g_temp_status == TEMP_POS_0_TO_POS_10) &&
(BMT_status.temperature <=
TEMP_POS_10_THRES_PLUS_X_DEGREE))) {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Temperature not recovery to normal temperature charging mode yet!!\n\r");
} else {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Normal Temperature between %d and %d !!\n\r",
TEMP_POS_10_THRESHOLD, TEMP_POS_45_THRESHOLD);
g_temp_status = TEMP_POS_10_TO_POS_45;
if (batt_cust_data.high_battery_voltage_support)
g_jeita_recharging_voltage = 4200;
else
g_jeita_recharging_voltage =
JEITA_TEMP_POS_10_TO_POS_45_RECHARGE_VOLTAGE;
v_cc2topoff_threshold =
JEITA_TEMP_POS_10_TO_POS_45_CC2TOPOFF_THRESHOLD;
charging_full_current =
batt_cust_data.charging_full_current;
}
} else if (BMT_status.temperature >= TEMP_POS_0_THRESHOLD) {
if ((g_temp_status == TEMP_NEG_10_TO_POS_0 ||
g_temp_status == TEMP_BELOW_NEG_10) &&
(BMT_status.temperature <=
TEMP_POS_0_THRES_PLUS_X_DEGREE)) {
if (g_temp_status == TEMP_NEG_10_TO_POS_0) {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Temperature between %d and %d !!\n\r",
TEMP_POS_0_THRES_PLUS_X_DEGREE,
TEMP_POS_10_THRESHOLD);
}
if (g_temp_status == TEMP_BELOW_NEG_10) {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Temperature between %d and %d,not allow charging yet!!\n\r",
TEMP_POS_0_THRESHOLD,
TEMP_POS_0_THRES_PLUS_X_DEGREE);
return PMU_STATUS_FAIL;
}
} else {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Temperature between %d and %d !!\n\r",
TEMP_POS_0_THRESHOLD, TEMP_POS_10_THRESHOLD);
g_temp_status = TEMP_POS_0_TO_POS_10;
g_jeita_recharging_voltage =
JEITA_TEMP_POS_0_TO_POS_10_RECHARGE_VOLTAGE;
v_cc2topoff_threshold =
JEITA_TEMP_POS_0_TO_POS_10_CC2TOPOFF_THRESHOLD;
charging_full_current =
batt_cust_data.charging_full_current;
}
} else if (BMT_status.temperature >= TEMP_NEG_10_THRESHOLD) {
if ((g_temp_status == TEMP_BELOW_NEG_10) &&
(BMT_status.temperature <=
TEMP_NEG_10_THRES_PLUS_X_DEGREE)) {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Temperature between %d and %d,not allow charging yet!!\n\r",
TEMP_NEG_10_THRESHOLD,
TEMP_NEG_10_THRES_PLUS_X_DEGREE);
return PMU_STATUS_FAIL;
} /*else { */
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Temperature between %d and %d !!\n\r",
TEMP_NEG_10_THRESHOLD, TEMP_POS_0_THRESHOLD);
g_temp_status = TEMP_NEG_10_TO_POS_0;
g_jeita_recharging_voltage =
JEITA_TEMP_NEG_10_TO_POS_0_RECHARGE_VOLTAGE;
v_cc2topoff_threshold =
JEITA_TEMP_NEG_10_TO_POS_0_CC2TOPOFF_THRESHOLD;
charging_full_current = JEITA_NEG_10_TO_POS_0_FULL_CURRENT;
/*} */
} else {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery below low Temperature(%d) !!\n\r",
TEMP_NEG_10_THRESHOLD);
g_temp_status = TEMP_BELOW_NEG_10;
return PMU_STATUS_FAIL;
}
cv_voltage = select_jeita_cv();
battery_charging_control(CHARGING_CMD_SET_CV_VOLTAGE, &cv_voltage);
#if defined(CONFIG_MTK_HAFG_20)
g_cv_voltage = cv_voltage;
#endif
return PMU_STATUS_OK;
}
static void set_jeita_charging_current(void)
{
#ifdef CONFIG_USB_IF
if (BMT_status.charger_type == STANDARD_HOST)
return;
#endif
if (g_temp_status == TEMP_NEG_10_TO_POS_0) {
g_temp_CC_value = CHARGE_CURRENT_200_00_MA; /* for low temp */
battery_log(BAT_LOG_CRTI,
"[BATTERY] JEITA set charging current : %d\r\n",
g_temp_CC_value);
}
}
#endif
bool get_usb_current_unlimited(void)
{
if (BMT_status.charger_type == STANDARD_HOST ||
BMT_status.charger_type == CHARGING_HOST)
return usb_unlimited;
else
return false;
}
void set_usb_current_unlimited(bool enable)
{
usb_unlimited = enable;
}
void select_charging_curret_bcct(void)
{
enum CHR_CURRENT_ENUM chr_type_ichg = 0;
switch (BMT_status.charger_type) {
case STANDARD_HOST:
chr_type_ichg = batt_cust_data.usb_charger_current;
break;
case NONSTANDARD_CHARGER:
chr_type_ichg = batt_cust_data.non_std_ac_charger_current;
break;
case STANDARD_CHARGER:
chr_type_ichg = batt_cust_data.ac_charger_current;
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
if (is_ta_connect == KAL_TRUE && ta_vchr_tuning == KAL_TRUE)
chr_type_ichg = CHARGE_CURRENT_1500_00_MA;
#endif
break;
case CHARGING_HOST:
chr_type_ichg = batt_cust_data.charging_host_charger_current;
break;
case APPLE_2_1A_CHARGER:
chr_type_ichg = batt_cust_data.apple_2_1a_charger_current;
break;
case APPLE_1_0A_CHARGER:
chr_type_ichg = batt_cust_data.apple_1_0a_charger_current;
break;
case APPLE_0_5A_CHARGER:
chr_type_ichg = batt_cust_data.apple_0_5a_charger_current;
break;
default:
chr_type_ichg = CHARGE_CURRENT_500_00_MA;
break;
}
if (g_temp_CC_value > chr_type_ichg)
g_temp_CC_value = chr_type_ichg;
}
unsigned int set_bat_charging_current_limit(int current_limit)
{
battery_log(BAT_LOG_CRTI,
"[BATTERY] %s (%d)\r\n",
__func__, current_limit);
if (current_limit != -1) {
g_bcct_flag = 1;
if (current_limit < 70)
g_temp_CC_value = CHARGE_CURRENT_0_00_MA;
else if (current_limit < 200)
g_temp_CC_value = CHARGE_CURRENT_70_00_MA;
else if (current_limit < 300)
g_temp_CC_value = CHARGE_CURRENT_200_00_MA;
else if (current_limit < 400)
g_temp_CC_value = CHARGE_CURRENT_300_00_MA;
else if (current_limit < 450)
g_temp_CC_value = CHARGE_CURRENT_400_00_MA;
else if (current_limit < 550)
g_temp_CC_value = CHARGE_CURRENT_450_00_MA;
else if (current_limit < 650)
g_temp_CC_value = CHARGE_CURRENT_550_00_MA;
else if (current_limit < 700)
g_temp_CC_value = CHARGE_CURRENT_650_00_MA;
else if (current_limit < 800)
g_temp_CC_value = CHARGE_CURRENT_700_00_MA;
else if (current_limit < 900)
g_temp_CC_value = CHARGE_CURRENT_800_00_MA;
else if (current_limit < 1000)
g_temp_CC_value = CHARGE_CURRENT_900_00_MA;
else if (current_limit < 1100)
g_temp_CC_value = CHARGE_CURRENT_1000_00_MA;
else if (current_limit < 1200)
g_temp_CC_value = CHARGE_CURRENT_1100_00_MA;
else if (current_limit < 1300)
g_temp_CC_value = CHARGE_CURRENT_1200_00_MA;
else if (current_limit < 1400)
g_temp_CC_value = CHARGE_CURRENT_1300_00_MA;
else if (current_limit < 1500)
g_temp_CC_value = CHARGE_CURRENT_1400_00_MA;
else if (current_limit < 1600)
g_temp_CC_value = CHARGE_CURRENT_1500_00_MA;
else if (current_limit == 1600)
g_temp_CC_value = CHARGE_CURRENT_1600_00_MA;
else
g_temp_CC_value = CHARGE_CURRENT_450_00_MA;
if (BMT_status.charger_type == STANDARD_HOST)
if ((current_limit * 100) >= CHARGE_CURRENT_500_00_MA) {
g_temp_CC_value = USB_CHARGER_CURRENT;
battery_log(
BAT_LOG_CRTI,
"[BATTERY] %s over usb spec(%d,%d)\r\n",
__func__, current_limit * 100,
g_temp_CC_value);
}
} else {
/* change to default current setting */
g_bcct_flag = 0;
}
wake_up_bat3();
return g_bcct_flag;
}
void set_bat_sw_cv_charging_current_limit(int current_limit)
{
battery_log(BAT_LOG_CRTI,
"[BATTERY] %s (%d)\r\n",
__func__, current_limit);
if (current_limit <= CHARGE_CURRENT_70_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_0_00_MA;
else if (current_limit <= CHARGE_CURRENT_200_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_70_00_MA;
else if (current_limit <= CHARGE_CURRENT_300_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_200_00_MA;
else if (current_limit <= CHARGE_CURRENT_400_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_300_00_MA;
else if (current_limit <= CHARGE_CURRENT_450_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_400_00_MA;
else if (current_limit <= CHARGE_CURRENT_550_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_450_00_MA;
else if (current_limit <= CHARGE_CURRENT_650_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_550_00_MA;
else if (current_limit <= CHARGE_CURRENT_700_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_650_00_MA;
else if (current_limit <= CHARGE_CURRENT_800_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_700_00_MA;
else if (current_limit <= CHARGE_CURRENT_900_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_800_00_MA;
else if (current_limit <= CHARGE_CURRENT_1000_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_900_00_MA;
else if (current_limit <= CHARGE_CURRENT_1100_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_1000_00_MA;
else if (current_limit <= CHARGE_CURRENT_1200_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_1100_00_MA;
else if (current_limit <= CHARGE_CURRENT_1300_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_1200_00_MA;
else if (current_limit <= CHARGE_CURRENT_1400_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_1300_00_MA;
else if (current_limit <= CHARGE_CURRENT_1500_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_1400_00_MA;
else if (current_limit <= CHARGE_CURRENT_1600_00_MA)
ulc_cv_charging_current = CHARGE_CURRENT_1500_00_MA;
else
ulc_cv_charging_current = CHARGE_CURRENT_450_00_MA;
}
void select_charging_curret(void)
{
if (g_ftm_battery_flag) {
battery_log(BAT_LOG_CRTI, "[BATTERY] FTM charging : %d\r\n",
charging_level_data[0]);
g_temp_CC_value = charging_level_data[0];
} else {
if (BMT_status.charger_type == STANDARD_HOST) {
#ifdef CONFIG_USB_IF
{
if (g_usb_state == USB_SUSPEND) {
g_temp_CC_value =
batt_cust_data
.usb_charger_current_suspend;
} else if (g_usb_state == USB_UNCONFIGURED) {
g_temp_CC_value =
batt_cust_data
.usb_charger_current_unconfigured;
} else if (g_usb_state == USB_CONFIGURED) {
g_temp_CC_value =
batt_cust_data
.usb_charger_current_configured;
} else {
g_temp_CC_value =
batt_cust_data
.usb_charger_current_unconfigured;
}
battery_log(
BAT_LOG_CRTI,
"[BATTERY] STANDARD_HOST CC mode charging : %d on %d state\r\n",
g_temp_CC_value, g_usb_state);
}
#else
{
g_temp_CC_value =
batt_cust_data.usb_charger_current;
}
#endif
} else if (BMT_status.charger_type == NONSTANDARD_CHARGER) {
g_temp_CC_value =
batt_cust_data.non_std_ac_charger_current;
} else if (BMT_status.charger_type == STANDARD_CHARGER) {
g_temp_CC_value = batt_cust_data.ac_charger_current;
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
if (is_ta_connect == KAL_TRUE &&
ta_vchr_tuning == KAL_TRUE)
g_temp_CC_value = CHARGE_CURRENT_1500_00_MA;
#endif
} else if (BMT_status.charger_type == CHARGING_HOST) {
g_temp_CC_value =
batt_cust_data.charging_host_charger_current;
} else if (BMT_status.charger_type == APPLE_2_1A_CHARGER) {
g_temp_CC_value =
batt_cust_data.apple_2_1a_charger_current;
} else if (BMT_status.charger_type == APPLE_1_0A_CHARGER) {
g_temp_CC_value =
batt_cust_data.apple_1_0a_charger_current;
} else if (BMT_status.charger_type == APPLE_0_5A_CHARGER) {
g_temp_CC_value =
batt_cust_data.apple_0_5a_charger_current;
} else {
g_temp_CC_value = CHARGE_CURRENT_70_00_MA;
}
battery_log(BAT_LOG_CRTI,
"[BATTERY] Default CC mode charging : %d\r\n",
g_temp_CC_value);
#if defined(CONFIG_MTK_JEITA_STANDARD_SUPPORT)
set_jeita_charging_current();
#endif
}
}
static unsigned int charging_full_check(void)
{
unsigned int status = KAL_FALSE;
#if defined(POST_TIME_ENABLE)
static unsigned int post_charging_time;
if (post_charging_time >= POST_CHARGING_TIME) {
status = KAL_TRUE;
post_charging_time = 0;
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery real full and disable charging on %d mA\n",
BMT_status.ICharging);
} else if (post_charging_time > 0) {
post_charging_time += BAT_TASK_PERIOD;
battery_log(
BAT_LOG_CRTI,
"[BATTERY] post_charging_time=%d,POST_CHARGING_TIME=%d\n",
post_charging_time, POST_CHARGING_TIME);
} else if ((BMT_status.TOPOFF_charging_time > 60) &&
(BMT_status.ICharging <= charging_full_current)) {
post_charging_time = BAT_TASK_PERIOD;
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Enter Post charge, post_charging_time=%d,POST_CHARGING_TIME=%d\n",
post_charging_time, POST_CHARGING_TIME);
} else {
post_charging_time = 0;
}
#else
static unsigned char full_check_count;
if (BMT_status.ICharging <= charging_full_current) {
full_check_count++;
if (full_check_count == 6) {
status = KAL_TRUE;
full_check_count = 0;
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery full and disable charging on %d mA\n",
BMT_status.ICharging);
}
} else {
full_check_count = 0;
}
#endif
return status;
}
static void charging_current_calibration(void)
{
signed int bat_isense_offset;
#if 0
signed int bat_vol = battery_meter_get_battery_voltage();
signed int Vsense = battery_meter_get_VSense();
bat_isense_offset = bat_vol - Vsense;
battery_log(BAT_LOG_CRTI,
"[BATTERY] bat_vol=%d, Vsense=%d, offset=%d \r\n",
bat_vol, Vsense, bat_isense_offset);
#else
bat_isense_offset = 0;
#endif
battery_meter_sync(bat_isense_offset);
}
static void pchr_sw_cv_charing_current_check(void)
{
enum kal_bool charging_enable = KAL_TRUE;
unsigned int csdac_full_flag = KAL_TRUE;
battery_charging_control(CHARGING_CMD_SET_CURRENT,
&ulc_cv_charging_current);
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
msleep(192);
battery_charging_control(CHARGING_CMD_GET_CSDAC_FALL_FLAG,
&csdac_full_flag);
if (csdac_full_flag == KAL_TRUE)
ulc_cv_charging_current =
battery_meter_get_charging_current() * 100;
/* get immedeate charging current and align to enum value */
while (csdac_full_flag == KAL_TRUE &&
ulc_cv_charging_current != CHARGE_CURRENT_0_00_MA) {
set_bat_sw_cv_charging_current_limit(ulc_cv_charging_current);
battery_charging_control(CHARGING_CMD_SET_CURRENT,
&ulc_cv_charging_current);
ulc_cv_charging_current_flag = KAL_TRUE;
msleep(192); /* large than 512 code x 0.25ms */
battery_charging_control(CHARGING_CMD_GET_CSDAC_FALL_FLAG,
&csdac_full_flag);
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Sw CV set charging current, csdac_full_flag=%d, current=%d !\n",
csdac_full_flag, ulc_cv_charging_current);
}
if (ulc_cv_charging_current == CHARGE_CURRENT_0_00_MA)
battery_log(BAT_LOG_CRTI,
"[BATTERY] Sw CV set charging current Error!\n");
}
static void pchr_turn_on_charging(void)
{
#if !defined(CONFIG_MTK_JEITA_STANDARD_SUPPORT)
enum BATTERY_VOLTAGE_ENUM cv_voltage;
#endif
unsigned int charging_enable = KAL_TRUE;
battery_log(BAT_LOG_FULL, "[BATTERY] %s()!\r\n", __func__);
if (BMT_status.bat_charging_state == CHR_ERROR) {
battery_log(BAT_LOG_CRTI,
"[BATTERY] Charger Error, turn OFF charging !\n");
charging_enable = KAL_FALSE;
} else if ((g_platform_boot_mode == META_BOOT) ||
(g_platform_boot_mode == ADVMETA_BOOT)) {
battery_log(
BAT_LOG_CRTI,
"[BATTERY] In meta or advanced meta mode, disable charging.\n");
charging_enable = KAL_FALSE;
} else {
/*HW initialization */
battery_log(BAT_LOG_FULL, "charging_hw_init\n");
battery_charging_control(CHARGING_CMD_INIT, NULL);
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
battery_pump_express_algorithm_start();
#endif
/* Set Charging Current */
if (get_usb_current_unlimited()) {
g_temp_CC_value = batt_cust_data.ac_charger_current;
battery_log(
BAT_LOG_FULL,
"USB_CURRENT_UNLIMITED, use AC_CHARGER_CURRENT\n");
} else {
if (g_bcct_flag == 1) {
battery_log(
BAT_LOG_FULL,
"[BATTERY] select_charging_curret_bcct !\n");
select_charging_curret_bcct();
} else {
battery_log(
BAT_LOG_FULL,
"[BATTERY] select_charging_current !\n");
select_charging_curret();
}
}
if (g_temp_CC_value == CHARGE_CURRENT_0_00_MA) {
charging_enable = KAL_FALSE;
battery_log(
BAT_LOG_CRTI,
"[BATTERY] charging current is set 0mA, turn off charging !\r\n");
} else {
{
if (ulc_cv_charging_current_flag == KAL_TRUE)
battery_charging_control(
CHARGING_CMD_SET_CURRENT,
&ulc_cv_charging_current);
else
battery_charging_control(
CHARGING_CMD_SET_CURRENT,
&g_temp_CC_value);
}
/* Set CV */
#if !defined(CONFIG_MTK_JEITA_STANDARD_SUPPORT)
if (batt_cust_data.high_battery_voltage_support)
cv_voltage = BATTERY_VOLT_04_350000_V;
else
cv_voltage = BATTERY_VOLT_04_200000_V;
battery_charging_control(CHARGING_CMD_SET_CV_VOLTAGE,
&cv_voltage);
#if defined(CONFIG_MTK_HAFG_20)
g_cv_voltage = cv_voltage;
#endif
#endif
}
}
/* enable/disable charging */
battery_log(BAT_LOG_CRTI,
"[BATTERY] %s(), enable =%d \r\n",
__func__, charging_enable);
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
}
unsigned int BAT_PreChargeModeAction(void)
{
battery_log(BAT_LOG_CRTI,
"[BATTERY] Pre-CC mode charge, timer=%d on %d !!\n\r",
BMT_status.PRE_charging_time,
BMT_status.total_charging_time);
BMT_status.PRE_charging_time += BAT_TASK_PERIOD;
BMT_status.CC_charging_time = 0;
BMT_status.TOPOFF_charging_time = 0;
BMT_status.total_charging_time += BAT_TASK_PERIOD;
select_charging_curret();
ulc_cv_charging_current = g_temp_CC_value;
ulc_cv_charging_current_flag = KAL_FALSE;
if (BMT_status.UI_SOC == 100) {
BMT_status.bat_charging_state = CHR_BATFULL;
BMT_status.bat_full = KAL_TRUE;
g_charging_full_reset_bat_meter = KAL_TRUE;
} else if (BMT_status.bat_vol > batt_cust_data.v_pre2cc_thres) {
BMT_status.bat_charging_state = CHR_CC;
}
/* defined(MTK_LINEAR_CHARGER_NO_DISCHARGE) */
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
/* no disable charging */
#else
{
enum kal_bool charging_enable = KAL_FALSE;
/*Charging 9s and discharging 1s : start */
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
msleep(1000);
}
#endif
charging_current_calibration();
pchr_turn_on_charging();
return PMU_STATUS_OK;
}
unsigned int BAT_ConstantCurrentModeAction(void)
{
battery_log(
BAT_LOG_CRTI, "[BATTERY] CC mode charge, timer=%d on %d !!\n\r",
BMT_status.CC_charging_time, BMT_status.total_charging_time);
BMT_status.PRE_charging_time = 0;
BMT_status.CC_charging_time += BAT_TASK_PERIOD;
BMT_status.TOPOFF_charging_time = 0;
BMT_status.total_charging_time += BAT_TASK_PERIOD;
ulc_cv_charging_current_flag = KAL_FALSE;
ulc_cv_charging_current = g_temp_CC_value;
if (BMT_status.bat_vol > v_cc2topoff_threshold)
BMT_status.bat_charging_state = CHR_TOP_OFF;
/* defined(MTK_LINEAR_CHARGER_NO_DISCHARGE) */
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
/* no disable charging#else */
#else
{
enum kal_bool charging_enable = KAL_FALSE;
/* Charging 9s and discharging 1s : start */
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
msleep(1000);
}
#endif
charging_current_calibration();
pchr_turn_on_charging();
return PMU_STATUS_OK;
}
unsigned int BAT_TopOffModeAction(void)
{
unsigned int charging_enable = KAL_FALSE;
unsigned int cv_voltage;
if (batt_cust_data.high_battery_voltage_support)
cv_voltage = 4350;
else
cv_voltage = 4200;
battery_log(BAT_LOG_CRTI,
"[BATTERY] Top Off mode charge, timer=%d on %d !!\n\r",
BMT_status.TOPOFF_charging_time,
BMT_status.total_charging_time);
BMT_status.PRE_charging_time = 0;
BMT_status.CC_charging_time = 0;
BMT_status.TOPOFF_charging_time += BAT_TASK_PERIOD;
BMT_status.total_charging_time += BAT_TASK_PERIOD;
/* CV - 0.08V */
if (BMT_status.bat_vol > (cv_voltage - CV_CHECK_DELAT_FOR_BANDGAP))
pchr_sw_cv_charing_current_check();
pchr_turn_on_charging();
if ((BMT_status.TOPOFF_charging_time >= MAX_CV_CHARGING_TIME) ||
(charging_full_check() == KAL_TRUE)) {
BMT_status.bat_charging_state = CHR_BATFULL;
BMT_status.bat_full = KAL_TRUE;
g_charging_full_reset_bat_meter = KAL_TRUE;
/* Disable charging */
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
}
return PMU_STATUS_OK;
}
unsigned int BAT_BatteryFullAction(void)
{
unsigned int charging_enable = KAL_FALSE;
battery_log(BAT_LOG_CRTI, "[BATTERY] Battery full !!\n\r");
BMT_status.bat_full = KAL_TRUE;
BMT_status.total_charging_time = 0;
BMT_status.PRE_charging_time = 0;
BMT_status.CC_charging_time = 0;
BMT_status.TOPOFF_charging_time = 0;
BMT_status.POSTFULL_charging_time = 0;
BMT_status.bat_in_recharging_state = KAL_FALSE;
#if defined(CONFIG_MTK_JEITA_STANDARD_SUPPORT)
if (BMT_status.bat_vol < g_jeita_recharging_voltage)
#else
if (BMT_status.bat_vol < batt_cust_data.recharging_voltage)
#endif
{
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Battery Enter Re-charging!! , vbat=(%d)\n\r",
BMT_status.bat_vol);
BMT_status.bat_in_recharging_state = KAL_TRUE;
BMT_status.bat_charging_state = CHR_CC;
ulc_cv_charging_current = g_temp_CC_value;
ulc_cv_charging_current_flag = KAL_FALSE;
}
/* Disable charging */
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
return PMU_STATUS_OK;
}
unsigned int BAT_BatteryHoldAction(void)
{
unsigned int charging_enable;
battery_log(BAT_LOG_CRTI, "[BATTERY] Hold mode !!\n\r");
if (BMT_status.bat_vol < batt_cust_data.talking_recharge_voltage ||
g_call_state == CALL_IDLE) {
BMT_status.bat_charging_state = CHR_CC;
battery_log(
BAT_LOG_CRTI,
"[BATTERY] Exit Hold mode and Enter CC mode !!\n\r");
}
/* Disable charger */
charging_enable = KAL_FALSE;
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
return PMU_STATUS_OK;
}
unsigned int BAT_BatteryStatusFailAction(void)
{
unsigned int charging_enable;
battery_log(BAT_LOG_CRTI,
"[BATTERY] BAD Battery status... Charging Stop !!\n\r");
#if defined(CONFIG_MTK_JEITA_STANDARD_SUPPORT)
if ((g_temp_status == TEMP_ABOVE_POS_60) ||
(g_temp_status == TEMP_BELOW_NEG_10))
temp_error_recovery_chr_flag = KAL_FALSE;
if ((temp_error_recovery_chr_flag == KAL_FALSE) &&
(g_temp_status != TEMP_ABOVE_POS_60) &&
(g_temp_status != TEMP_BELOW_NEG_10)) {
temp_error_recovery_chr_flag = KAL_TRUE;
BMT_status.bat_charging_state = CHR_PRE;
}
#endif
BMT_status.total_charging_time = 0;
BMT_status.PRE_charging_time = 0;
BMT_status.CC_charging_time = 0;
BMT_status.TOPOFF_charging_time = 0;
BMT_status.POSTFULL_charging_time = 0;
/* Disable charger */
charging_enable = KAL_FALSE;
battery_charging_control(CHARGING_CMD_ENABLE, &charging_enable);
return PMU_STATUS_OK;
}
void mt_battery_charging_algorithm(void)
{
__init_charging_varaibles();
#if defined(CONFIG_MTK_PUMP_EXPRESS_SUPPORT)
battery_pump_express_charger_check();
#endif
switch (BMT_status.bat_charging_state) {
case CHR_PRE:
BAT_PreChargeModeAction();
break;
case CHR_CC:
BAT_ConstantCurrentModeAction();
break;
case CHR_TOP_OFF:
BAT_TopOffModeAction();
break;
case CHR_BATFULL:
BAT_BatteryFullAction();
break;
case CHR_HOLD:
BAT_BatteryHoldAction();
break;
case CHR_ERROR:
BAT_BatteryStatusFailAction();
break;
}
battery_charging_control(CHARGING_CMD_DUMP_REGISTER, NULL);
}
Reference in a new issue Copy permalink