Initial file dump from open source releaseHEADmaster

1 files changed, 2659 insertions, 0 deletions

diff --git a/drivers/power/sprd_2713_power.c b/drivers/power/sprd_2713_power.c
new file mode 100644
index 00000000..7db6b476
--- /dev/null
+++ b/drivers/power/sprd_2713_power.c
@@ -0,0 +1,2659 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+#include <linux/hrtimer.h>
+#include <linux/spinlock.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/wakelock.h>
+#include <linux/delay.h>
+#include <linux/reboot.h>
+#include <linux/device.h>
+#include <linux/thermal.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/leds.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/of_irq.h>
+
+#include <soc/sprd/adc.h>
+#include <soc/sprd/usb.h>
+#include "sprd_battery.h"
+
+
+#define SPRDBAT__DEBUG
+#ifdef SPRDBAT__DEBUG
+#define SPRDBAT_DEBUG(format, arg...) pr_info("sprdbat: " format, ## arg)
+#else
+#define SPRDBAT_DEBUG(format, arg...)
+#endif
+
+#define SPRDBAT_CV_TRIGGER_CURRENT		7/10
+
+enum sprdbat_event {
+	SPRDBAT_ADP_PLUGIN_E,
+	SPRDBAT_ADP_PLUGOUT_E,
+	SPRDBAT_OVI_STOP_E,
+	SPRDBAT_OVI_RESTART_E,
+	SPRDBAT_OTP_COLD_STOP_E,
+	SPRDBAT_OTP_OVERHEAT_STOP_E,
+	SPRDBAT_OTP_COLD_RESTART_E,
+	SPRDBAT_OTP_OVERHEAT_RESTART_E,
+	SPRDBAT_CHG_FULL_E,
+	SPRDBAT_RECHARGE_E,
+	SPRDBAT_CHG_TIMEOUT_E,
+	SPRDBAT_CHG_TIMEOUT_RESTART_E,
+	SPRDBAT_CHG_UNSPEC_E,
+};
+
+static struct sprdbat_drivier_data *sprdbat_data;
+struct delayed_work sprdbat_charge_work;
+static uint32_t sprdbat_cv_irq_dis = 1;
+static uint32_t sprdbat_average_cnt;
+static unsigned long sprdbat_update_capacity_time;
+static unsigned long sprdbat_last_query_time;
+
+static uint32_t sprdbat_trickle_chg;
+static uint32_t sprdbat_start_chg;
+static uint32_t poweron_capacity;
+static struct notifier_block sprdbat_notifier;
+static uint32_t sprdbat_cccv_cal_from_chip = 0;
+static uint32_t chg_phy_dis_flag;	//only be used on CONFIG_SPRD_NOFGUCURRENT_CHG
+/* < add by lgd: when calling charging, change the chgr_current to 400mA */
+static uint32_t charging_call_flag; 
+static uint32_t is_charging; 
+/* add by lgd: when calling charging, change the chgr_current to 400mA > */
+extern struct sprdbat_auxadc_cal adc_cal;
+
+static void sprdbat_change_module_state(uint32_t event);
+static int sprdbat_stop_charge(void);
+
+#ifdef SPRDBAT_TWO_CHARGE_CHANNEL
+static int sprdbat_stop_charge_ext(void);
+static int sprdbat_stop_chg_process_ext(void);
+static int sprdbat_start_chg_process_ext(void);
+static int plugin_callback_ext(int usb_cable, void *data);
+static int plugout_callback_ext(int usb_cable, void *data);
+#endif
+
+static unsigned long  adjust_chg_flag = 0;
+
+#define TEMP_BUFF_CNT 5
+static int current_buff[TEMP_BUFF_CNT] = {0,0,0,0,0};
+static int sprdbat_get_current_from_buff(int bat_cur)
+{
+	static int pointer = 0;
+	int i = 0, delta = 0;
+	SPRDBAT_DEBUG("sprdbat_store_and_adjust_current bat_cur=%d\n",bat_cur);
+	if(pointer >= TEMP_BUFF_CNT) pointer = 0;
+	current_buff[pointer++] = bat_cur;
+	for(i = 0; i<TEMP_BUFF_CNT; i++){
+		delta += current_buff[i];
+	}
+	return (delta/TEMP_BUFF_CNT);
+}
+static void sprdbat_clear_current_buff(void)
+{
+	int i=0;
+	SPRDBAT_DEBUG("sprdbat_clear_current_buff\n");
+	for(i = 0; i < TEMP_BUFF_CNT;i++)
+		current_buff[i] = 0;
+}
+void sprdbat_chgcurrent_adjust(int state)
+{
+	int chg_cur = sprdchg_get_chg_cur();
+	int avg_cur = sprdbat_data->bat_info.bat_current_avg;
+	int state_cur = 500 ;
+	int i =1,delta = 0;
+
+	if((state < 0) ||(sprdbat_data->bat_info.adp_type != ADP_TYPE_DCP))
+		return;
+	if(state == 0){
+		state_cur = sprdbat_data->pdata->adp_dcp_cur;
+	}
+	SPRDBAT_DEBUG("sprdbat_chgcurrent_adjust enter chgcur=%d,avg_cur=%d,state_cur = %d\n",
+		chg_cur, avg_cur, state_cur);
+	if( state_cur > sprdbat_data->pdata->adp_dcp_cur){
+			state_cur = sprdbat_data->pdata->adp_dcp_cur;
+	}
+	delta = state_cur -chg_cur + avg_cur;
+	if(delta > 0){
+		SPRDBAT_DEBUG("delta > 0 sprdchg_set_chg_cur %d \n",state_cur);
+		sprdchg_set_chg_cur(state_cur);
+	}else{
+		for(i = 1; i <= 20; i++){
+			delta += 50;
+			if(delta > 0){
+				SPRDBAT_DEBUG("i=%d,deta > 0 break\n",i);
+				break;
+			}
+		}
+		state_cur += 50 * i;
+		if( state_cur > sprdbat_data->pdata->adp_dcp_cur){
+			state_cur = sprdbat_data->pdata->adp_dcp_cur;
+		}
+		SPRDBAT_DEBUG("state_cur =%d,set cur\n",state_cur);
+		sprdchg_set_chg_cur(state_cur);
+	}
+	sprdbat_clear_current_buff();
+}
+static void sprdbat_auto_switch_cur(void)
+{
+	int avg_cur = sprdbat_data->bat_info.bat_current_avg;
+	int chg_cur = sprdchg_get_chg_cur();
+	SPRDBAT_DEBUG("enter sprdbat_auto_switch_cur avg_cur=%d,chg_cur=%d\n",
+			avg_cur, chg_cur);
+	if(sprdbat_data->bat_info.adp_type != ADP_TYPE_DCP){
+		return ;
+	}
+	if((avg_cur < 0) && (chg_cur < sprdbat_data->pdata->adp_dcp_cur)){
+		SPRDBAT_DEBUG("sprdbat_auto_increase_cur need ++chg_cur %d =>%d\n",
+			chg_cur,chg_cur + 50);
+		chg_cur += 50;
+		sprdchg_set_chg_cur(chg_cur);
+		sprdbat_clear_current_buff();
+	}
+	if((adjust_chg_flag > 0) && (avg_cur > 100) && (chg_cur > 500)){
+		SPRDBAT_DEBUG("sprdbat_auto_switch_cur need --chg_cur %d => 500\n",
+			chg_cur);
+		sprdbat_chgcurrent_adjust(1);
+		sprdbat_clear_current_buff();
+	}
+}
+#if 0
+static int chg_get_max_state(struct thermal_cooling_device *cdev,
+			 unsigned long *state)
+{
+	*state = 4;
+	printk(KERN_NOTICE " ------------------get_max_state \n");
+	return 0;
+}
+
+static int chg_get_cur_state(struct thermal_cooling_device *cdev,
+			 unsigned long *state)
+{
+	*state = adjust_chg_flag;
+	printk(KERN_NOTICE " ---------------get_cur_state=%d \n",*state);
+	return 0;
+}
+
+static int chg_set_cur_state(struct thermal_cooling_device *cdev,
+			 unsigned long state)
+{
+	if(state > 0){
+		SPRDBAT_DEBUG("chg_set_cur_state state>0 =>%d ,adjust_chg_flag=%d\n",
+			state,adjust_chg_flag);
+		adjust_chg_flag = state;
+	}else if(state ==0){
+		SPRDBAT_DEBUG("chg_set_cur_state state==0 =%d \n",state);
+		adjust_chg_flag = 0;
+	}else{
+		return 0;
+	}
+	sprdbat_chgcurrent_adjust(state);
+	return 0;
+}
+
+static struct thermal_cooling_device_ops const chg_cooling_ops = {
+	.get_max_state = chg_get_max_state,
+	.get_cur_state = chg_get_cur_state,
+	.set_cur_state = chg_set_cur_state,
+};
+#endif
+
+
+
+int sprdbat_interpolate(int x, int n, struct sprdbat_table_data *tab)
+{
+	int index;
+	int y;
+
+	if (x >= tab[0].x)
+		y = tab[0].y;
+	else if (x <= tab[n - 1].x)
+		y = tab[n - 1].y;
+	else {
+		/*  find interval */
+		for (index = 1; index < n; index++)
+			if (x > tab[index].x)
+				break;
+		/*  interpolate */
+		y = (tab[index - 1].y - tab[index].y) * (x - tab[index].x)
+		    * 2 / (tab[index - 1].x - tab[index].x);
+		y = (y + 1) / 2;
+		y += tab[index].y;
+	}
+	return y;
+}
+
+uint32_t sprd_get_vbat_voltage(void)
+{
+	return sprdbat_read_vbat_vol();
+}
+
+static int sprdbat_ac_get_property(struct power_supply *psy,
+				   enum power_supply_property psp,
+				   union power_supply_propval *val)
+{
+	struct sprdbat_drivier_data *data = container_of(psy,
+							 struct
+							 sprdbat_drivier_data,
+							 ac);
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		if (likely(psy->type == POWER_SUPPLY_TYPE_MAINS)) {
+			val->intval = data->bat_info.ac_online ? 1 : 0;
+		} else {
+			ret = -EINVAL;
+		}
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int sprdbat_usb_get_property(struct power_supply *psy,
+				    enum power_supply_property psp,
+				    union power_supply_propval *val)
+{
+	struct sprdbat_drivier_data *data = container_of(psy,
+							 struct
+							 sprdbat_drivier_data,
+							 usb);
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = data->bat_info.usb_online ? 1 : 0;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int sprdbat_battery_get_property(struct power_supply *psy,
+					enum power_supply_property psp,
+					union power_supply_propval *val)
+{
+	struct sprdbat_drivier_data *data = container_of(psy,
+							 struct
+							 sprdbat_drivier_data,
+							 battery);
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_STATUS:
+		val->intval = data->bat_info.module_state;
+		break;
+	case POWER_SUPPLY_PROP_HEALTH:
+		val->intval = data->bat_info.bat_health;
+		break;
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = 1;
+		break;
+	case POWER_SUPPLY_PROP_TECHNOLOGY:
+		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
+		break;
+	case POWER_SUPPLY_PROP_CAPACITY:
+		val->intval = data->bat_info.capacity;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		val->intval = data->bat_info.vbat_vol * 1000;
+		break;
+	case POWER_SUPPLY_PROP_TEMP:
+		val->intval = data->bat_info.cur_temp;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static enum power_supply_property sprdbat_battery_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
+	POWER_SUPPLY_PROP_HEALTH,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CAPACITY,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_TEMP,
+};
+
+static enum power_supply_property sprdbat_ac_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+};
+
+static enum power_supply_property sprdbat_usb_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+};
+
+static ssize_t sprdbat_store_caliberate(struct device *dev,
+					struct device_attribute *attr,
+					const char *buf, size_t count);
+static ssize_t sprdbat_show_caliberate(struct device *dev,
+				       struct device_attribute *attr,
+				       char *buf);
+
+#define SPRDBAT_CALIBERATE_ATTR(_name)                         \
+{                                       \
+	.attr = { .name = #_name, .mode = S_IRUGO | S_IWUSR | S_IWGRP, },  \
+	.show = sprdbat_show_caliberate,                  \
+	.store = sprdbat_store_caliberate,                              \
+}
+#define SPRDBAT_CALIBERATE_ATTR_RO(_name)                         \
+{                                       \
+	.attr = { .name = #_name, .mode = S_IRUGO, },  \
+	.show = sprdbat_show_caliberate,                  \
+}
+#define SPRDBAT_CALIBERATE_ATTR_WO(_name)                         \
+{                                       \
+	.attr = { .name = #_name, .mode = S_IWUSR | S_IWGRP, },  \
+	.store = sprdbat_store_caliberate,                              \
+}
+
+/* < add by lgd: when calling charging, change the chgr_current to 400mA */
+#define SPRDBAT_CALIBERATE_ATTR_RW(_name)                         \
+{                                       \
+	.attr = { .name = #_name, .mode = S_IWUGO | S_IRUGO, },  \
+	.show = sprdbat_show_caliberate,                  \
+	.store = sprdbat_store_caliberate,                              \
+}
+/* add by lgd: when calling charging, change the chgr_current to 400mA > */
+
+static struct device_attribute sprd_caliberate[] = {
+	SPRDBAT_CALIBERATE_ATTR_RO(real_time_voltage),
+	SPRDBAT_CALIBERATE_ATTR_WO(stop_charge),
+	SPRDBAT_CALIBERATE_ATTR_RO(real_time_current),
+	SPRDBAT_CALIBERATE_ATTR_WO(battery_0),
+	SPRDBAT_CALIBERATE_ATTR_WO(battery_1),
+	SPRDBAT_CALIBERATE_ATTR(hw_switch_point),
+	SPRDBAT_CALIBERATE_ATTR_RO(charger_voltage),
+	SPRDBAT_CALIBERATE_ATTR_RO(real_time_vbat_adc),
+	SPRDBAT_CALIBERATE_ATTR_WO(save_capacity),
+	SPRDBAT_CALIBERATE_ATTR_RO(temp_adc),
+	SPRDBAT_CALIBERATE_ATTR_RW(charging_call),  /* add by lgd: when calling charging, change the chgr_current to 400mA */
+#ifdef CHG_CUR_ADJUST
+	SPRDBAT_CALIBERATE_ATTR(chg_cool_state),
+#endif
+};
+
+enum sprdbat_attribute {
+	BATTERY_VOLTAGE = 0,
+	STOP_CHARGE,
+	BATTERY_NOW_CURRENT,
+	BATTERY_0,
+	BATTERY_1,
+	HW_SWITCH_POINT,
+	CHARGER_VOLTAGE,
+	BATTERY_ADC,
+	SAVE_CAPACITY,
+	TEMP_ADC,
+    CHARGING_CALL,    /* add by lgd: when calling charging, change the chgr_current to 400mA */
+	CHG_COOL_STATE
+};
+
+/* < add by lgd: when calling charging, change the chgr_current to 400mA */
+static int sprdbat_change_chgring_cur(uint32_t set_value)
+{
+//	struct timespec cur_time;
+    
+    if(1 == set_value) {
+	    sprdbat_data->bat_info.chg_current_type = 400;
+
+    } else {
+        if (sprdbat_data->bat_info.adp_type == ADP_TYPE_CDP) {
+            sprdbat_data->bat_info.chg_current_type =
+                sprdbat_data->pdata->adp_cdp_cur;
+        } else if (sprdbat_data->bat_info.adp_type == ADP_TYPE_DCP) {
+            sprdbat_data->bat_info.chg_current_type =
+                sprdbat_data->pdata->adp_dcp_cur;
+        } else {
+            sprdbat_data->bat_info.chg_current_type =
+                sprdbat_data->pdata->adp_sdp_cur;
+        }
+    }
+
+	sprdchg_set_eoc_level(0);
+	sprdchg_set_chg_cur(sprdbat_data->bat_info.chg_current_type);
+	sprdchg_set_cccvpoint(sprdbat_data->bat_info.cccv_point);
+
+//	get_monotonic_boottime(&cur_time);
+//	sprdbat_data->bat_info.chg_start_time = cur_time.tv_sec;
+	sprdchg_start_charge();
+//	sprdbat_average_cnt = 0;
+
+	SPRDBAT_DEBUG
+	    ("OHH,sprdbat_chg_chgr_cur: health:%d,chg_start_time:%ld,chg_current_type:%d\n",
+	     sprdbat_data->bat_info.bat_health,
+	     sprdbat_data->bat_info.chg_start_time,
+	     sprdbat_data->bat_info.chg_current_type);
+
+//	sprdbat_trickle_chg = 0;
+//	sprdbat_start_chg = 1;
+//	chg_phy_dis_flag = 0;
+	return 0;
+}
+/* add by lgd: when calling charging, change the chgr_current to 400mA > */
+
+static ssize_t sprdbat_store_caliberate(struct device *dev,
+					struct device_attribute *attr,
+					const char *buf, size_t count)
+{
+	unsigned long set_value;
+	unsigned long irq_flag = 0;
+	const ptrdiff_t off = attr - sprd_caliberate;
+
+	set_value = simple_strtoul(buf, NULL, 10);
+	pr_info("battery calibrate value %lu %lu\n", off, set_value);
+
+	mutex_lock(&sprdbat_data->lock);
+	switch (off) {
+	case STOP_CHARGE:
+		if (0 == set_value) {
+			sprdbat_change_module_state(SPRDBAT_ADP_PLUGIN_E);
+		} else {
+			sprdbat_change_module_state(SPRDBAT_ADP_PLUGOUT_E);
+#ifdef SPRDBAT_TWO_CHARGE_CHANNEL
+			sprdbat_data->bat_info.ac_online = 0;
+			sprdbat_data->bat_info.usb_online = 0;
+			sprdchg_stop_charge();
+			sprdchg_stop_charge_ext();
+#endif
+		}
+		break;
+	case BATTERY_0:
+		adc_cal.p0_vol = set_value & 0xffff;	//only for debug
+		adc_cal.p0_adc = (set_value >> 16) & 0xffff;
+		break;
+	case BATTERY_1:
+		adc_cal.p1_vol = set_value & 0xffff;
+		adc_cal.p1_adc = (set_value >> 16) & 0xffff;
+		adc_cal.cal_type = SPRDBAT_AUXADC_CAL_NV;
+		break;
+	case HW_SWITCH_POINT:
+		if (!sprdbat_cccv_cal_from_chip) {
+			local_irq_save(irq_flag);
+			sprdbat_data->bat_info.cccv_point = set_value;
+			sprdchg_set_cccvpoint(sprdbat_data->bat_info.
+					      cccv_point);
+			if ((!sprdbat_start_chg) && sprdbat_cv_irq_dis) {
+				sprdbat_cv_irq_dis = 0;
+				sprdbat_trickle_chg = 0;
+				enable_irq(sprdbat_data->irq_chg_cv_state);
+			}
+			local_irq_restore(irq_flag);
+		}
+		break;
+	case SAVE_CAPACITY:
+		{
+			int temp = set_value - poweron_capacity;
+
+			pr_info("battery temp:%d\n", temp);
+			if (abs(temp) >
+			    sprdbat_data->pdata->cap_valid_range_poweron
+			    || 0 == set_value) {
+				pr_info("battery poweron capacity:%lu,%d\n",
+					set_value, poweron_capacity);
+				sprdbat_data->bat_info.capacity =
+				    poweron_capacity;
+			} else {
+				pr_info("battery old capacity:%lu,%d\n",
+					set_value, poweron_capacity);
+				sprdbat_data->bat_info.capacity = set_value;
+			}
+			power_supply_changed(&sprdbat_data->battery);
+		}
+		break;
+	case CHG_COOL_STATE:
+		if(set_value > 0){
+			SPRDBAT_DEBUG("chg_set_cur_state state>0 =>%d ,adjust_chg_flag=%d\n",
+			set_value,adjust_chg_flag);
+			adjust_chg_flag = set_value;
+		}else if(set_value ==0){
+			SPRDBAT_DEBUG("chg_set_cur_state state==0 =%d \n",set_value);
+			adjust_chg_flag = 0;
+		}else{
+			break;
+		}
+		sprdbat_chgcurrent_adjust(set_value);
+		break;
+    /* < add by lgd: when calling charging, change the chgr_current to 400mA  */
+    case CHARGING_CALL:
+        if(1 == set_value) {
+            if (1 == is_charging) {
+                SPRDBAT_DEBUG("OHH,CHARGING_CALL: 1, charger current set to 400mA\n");
+                sprdbat_change_chgring_cur(set_value);
+                charging_call_flag = set_value;
+            } else {
+                SPRDBAT_DEBUG("OHH,CHARGING_CALL: 1, but not in charging mode\n");
+            }
+        } else if (0 == set_value) {
+            if (1 == is_charging) {
+                SPRDBAT_DEBUG("OHH,CHARGING_CALL: 0, charger current set to normal\n");
+                sprdbat_change_chgring_cur(set_value);
+                charging_call_flag = set_value;
+            } else {
+                SPRDBAT_DEBUG("OHH,CHARGING_CALL: 0, but not in charging mode\n");
+            }
+        } else {
+            SPRDBAT_DEBUG("OHH,CHARGING_CALL: %lu, write error\n", set_value);
+            break;
+        }
+    /* add by lgd: when calling charging, change the chgr_current to 400mA > */
+	default:
+		count = -EINVAL;
+		break;
+	}
+	mutex_unlock(&sprdbat_data->lock);
+	return count;
+}
+
+static ssize_t sprdbat_show_caliberate(struct device *dev,
+				       struct device_attribute *attr, char *buf)
+{
+	int i = 0;
+	const ptrdiff_t off = attr - sprd_caliberate;
+	int adc_value;
+	int voltage;
+	uint32_t now_current;
+	int chg_cur = sprdchg_get_chg_cur();
+
+	switch (off) {
+	case BATTERY_VOLTAGE:
+		voltage = sprdchg_read_vbat_vol();
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", voltage);
+		break;
+	case BATTERY_NOW_CURRENT:
+		if (sprdbat_data->bat_info.module_state ==
+		    POWER_SUPPLY_STATUS_CHARGING) {
+			now_current = sprdchg_read_chg_current();
+			i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n",
+				       now_current);
+		} else {
+			i += scnprintf(buf + i, PAGE_SIZE - i, "%s\n",
+				       "discharging");
+		}
+		break;
+	case HW_SWITCH_POINT:
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n",
+			       sprdbat_data->bat_info.cccv_point);
+		break;
+	case CHARGER_VOLTAGE:
+		if (sprdbat_data->bat_info.module_state ==
+		    POWER_SUPPLY_STATUS_CHARGING) {
+			voltage = sprdchg_read_vchg_vol();
+			i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", voltage);
+		} else {
+			i += scnprintf(buf + i, PAGE_SIZE - i, "%s\n",
+				       "discharging");
+		}
+
+		break;
+	case BATTERY_ADC:
+		adc_value = sci_adc_get_value(ADC_CHANNEL_VBAT, false);
+		if (adc_value < 0)
+			adc_value = 0;
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", adc_value);
+		break;
+	case TEMP_ADC:
+		adc_value = sprdbat_read_temp_adc();
+		if (adc_value < 0)
+			adc_value = 0;
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", adc_value);
+		break;
+    /* < add by lgd: when calling charging, change the chgr_current to 400mA  */
+    case CHARGING_CALL:
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d\n", charging_call_flag);
+        break;
+    /* add by lgd: when calling charging, change the chgr_current to 400mA > */
+
+	case CHG_COOL_STATE:
+		adc_value = adjust_chg_flag;
+		i += scnprintf(buf + i, PAGE_SIZE - i, "%d,%d\n", adc_value,chg_cur);
+		break;
+	default:
+		i = -EINVAL;
+		break;
+	}
+
+	return i;
+}
+
+static int sprdbat_creat_caliberate_attr(struct device *dev)
+{
+	int i, rc;
+
+	for (i = 0; i < ARRAY_SIZE(sprd_caliberate); i++) {
+		rc = device_create_file(dev, &sprd_caliberate[i]);
+		if (rc)
+			goto sprd_attrs_failed;
+	}
+	goto sprd_attrs_succeed;
+
+sprd_attrs_failed:
+	while (i--)
+		device_remove_file(dev, &sprd_caliberate[i]);
+
+sprd_attrs_succeed:
+	return rc;
+}
+
+static int sprdbat_remove_caliberate_attr(struct device *dev)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sprd_caliberate); i++) {
+		device_remove_file(dev, &sprd_caliberate[i]);
+	}
+	return 0;
+}
+
+static void sprdbat_info_init(struct sprdbat_drivier_data *data)
+{
+	struct timespec cur_time;
+	data->bat_info.adp_type = ADP_TYPE_UNKNOW;
+	if (data->gpio_vbat_detect > 0) {
+		if (gpio_get_value(sprdbat_data->gpio_vbat_detect)) {
+			SPRDBAT_DEBUG("vbat good!!!\n");
+			data->bat_info.bat_health = POWER_SUPPLY_HEALTH_GOOD;
+			data->bat_info.chg_stop_flags =
+			    SPRDBAT_CHG_END_NONE_BIT;
+		} else {
+			SPRDBAT_DEBUG("vbat unspec!!!\n");
+			data->stop_charge();
+			data->bat_info.bat_health =
+			    POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
+			data->bat_info.chg_stop_flags |= SPRDBAT_CHG_END_UNSPEC;
+		}
+	} else {
+		SPRDBAT_DEBUG("vbat no detected!!!\n");
+		data->bat_info.bat_health = POWER_SUPPLY_HEALTH_GOOD;
+		data->bat_info.chg_stop_flags = SPRDBAT_CHG_END_NONE_BIT;
+	}
+
+	data->bat_info.module_state = POWER_SUPPLY_STATUS_DISCHARGING;
+	data->bat_info.chg_start_time = 0;
+	get_monotonic_boottime(&cur_time);
+	sprdbat_update_capacity_time = cur_time.tv_sec;
+	sprdbat_last_query_time = cur_time.tv_sec;
+	data->bat_info.capacity = sprdfgu_poweron_capacity();	//~0;
+	poweron_capacity = sprdfgu_poweron_capacity();
+	data->bat_info.soc = sprdfgu_read_soc();
+	data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+	data->bat_info.vbat_ocv = sprdfgu_read_vbat_ocv();
+	data->bat_info.cur_temp = sprdbat_read_temp();
+	data->bat_info.bat_current = sprdfgu_read_batcurrent();
+	data->bat_info.chging_current = 0;
+	data->bat_info.chg_current_type = sprdbat_data->pdata->adp_sdp_cur;
+	{
+
+		#ifdef CONFIG_OTP_SPRD
+		uint32_t cv_point;
+		extern int sci_efuse_cccv_cal_get(unsigned int *p_cal_data);
+		if (sci_efuse_cccv_cal_get(&cv_point)) {
+			SPRDBAT_DEBUG("cccv_point efuse:%d\n", cv_point);
+			data->bat_info.cccv_point =
+			    sprdchg_tune_endvol_cccv(data->pdata->
+						     chg_end_vol_pure,
+						     cv_point);
+			SPRDBAT_DEBUG
+			    ("cccv_point sprdchg_tune_endvol_cccv:%d\n",
+			     data->bat_info.cccv_point);
+			sprdbat_cccv_cal_from_chip = 1;
+		} else {
+			data->bat_info.cccv_point = data->pdata->cccv_default;
+			SPRDBAT_DEBUG("cccv_point default\n");
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+			BUG_ON(1);	//if do NOT have isense resistor ,cccv must cal by ATE
+#endif
+		}
+		#endif
+
+
+	}
+	return;
+}
+
+static int sprdbat_start_charge(void)
+{
+	struct timespec cur_time;
+
+	if (sprdbat_data->bat_info.adp_type == ADP_TYPE_CDP) {
+		sprdbat_data->bat_info.chg_current_type =
+		    sprdbat_data->pdata->adp_cdp_cur;
+	} else if (sprdbat_data->bat_info.adp_type == ADP_TYPE_DCP) {
+		sprdbat_data->bat_info.chg_current_type =
+		    sprdbat_data->pdata->adp_dcp_cur;
+	} else {
+		sprdbat_data->bat_info.chg_current_type =
+		    sprdbat_data->pdata->adp_sdp_cur;
+	}
+	is_charging = 1;	/* add by lgd: when calling charging, change the chgr_current to 400mA */
+	sprdchg_set_eoc_level(0);
+	sprdchg_set_chg_cur(sprdbat_data->bat_info.chg_current_type);
+	sprdchg_set_cccvpoint(sprdbat_data->bat_info.cccv_point);
+
+	get_monotonic_boottime(&cur_time);
+	sprdbat_data->bat_info.chg_start_time = cur_time.tv_sec;
+	sprdchg_start_charge();
+	sprdbat_average_cnt = 0;
+	SPRDBAT_DEBUG
+	    ("sprdbat_start_charge health:%d,chg_start_time:%ld,chg_current_type:%d\n",
+	     sprdbat_data->bat_info.bat_health,
+	     sprdbat_data->bat_info.chg_start_time,
+	     sprdbat_data->bat_info.chg_current_type);
+
+	sprdbat_trickle_chg = 0;
+	sprdbat_start_chg = 1;
+	chg_phy_dis_flag = 0;
+	return 0;
+}
+
+static int sprdbat_stop_charge(void)
+{
+	unsigned long irq_flag = 0;
+	sprdbat_data->bat_info.chg_start_time = 0;
+    /* < add by lgd: when calling charging, change the chgr_current to 400mA */
+	is_charging = 0;	
+    charging_call_flag = 0;
+    /* add by lgd: when calling charging, change the chgr_current to 400mA > */
+	sprdchg_set_eoc_level(0);
+	sprdchg_stop_charge();
+	local_irq_save(irq_flag);
+	if (!sprdbat_cv_irq_dis) {
+		disable_irq_nosync(sprdbat_data->irq_chg_cv_state);
+		sprdbat_cv_irq_dis = 1;
+	}
+	local_irq_restore(irq_flag);
+	chg_phy_dis_flag = 1;
+	SPRDBAT_DEBUG("sprdbat_stop_charge\n");
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+	schedule_delayed_work(&sprdbat_data->battery_work,
+			      sprdbat_data->pdata->bat_polling_time * HZ);
+#endif
+	return 0;
+}
+
+static inline void _sprdbat_clear_stopflags(uint32_t flag_msk)
+{
+	sprdbat_data->bat_info.chg_stop_flags &= ~flag_msk;
+	SPRDBAT_DEBUG("_sprdbat_clear_stopflags flag_msk:0x%x\n", flag_msk);
+
+	if (sprdbat_data->bat_info.chg_stop_flags == SPRDBAT_CHG_END_NONE_BIT) {
+		sprdbat_data->bat_info.bat_health = POWER_SUPPLY_HEALTH_GOOD;
+		if (flag_msk != SPRDBAT_CHG_END_FULL_BIT
+		    && flag_msk != SPRDBAT_CHG_END_TIMEOUT_BIT) {
+			sprdbat_data->bat_info.module_state =
+			    POWER_SUPPLY_STATUS_CHARGING;
+		}
+		//sprdbat_start_charge();
+		sprdbat_data->start_charge();
+	} else if (sprdbat_data->bat_info.
+		   chg_stop_flags & SPRDBAT_CHG_END_UNSPEC) {
+		sprdbat_data->bat_info.bat_health =
+		    POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
+
+	} else if (sprdbat_data->bat_info.
+		   chg_stop_flags & SPRDBAT_CHG_END_OTP_OVERHEAT_BIT) {
+		sprdbat_data->bat_info.bat_health =
+		    POWER_SUPPLY_HEALTH_OVERHEAT;
+	} else if (sprdbat_data->bat_info.
+		   chg_stop_flags & SPRDBAT_CHG_END_OTP_COLD_BIT) {
+		sprdbat_data->bat_info.bat_health = POWER_SUPPLY_HEALTH_COLD;
+	} else if (sprdbat_data->bat_info.
+		   chg_stop_flags & SPRDBAT_CHG_END_OVP_BIT) {
+		sprdbat_data->bat_info.bat_health =
+		    POWER_SUPPLY_HEALTH_OVERVOLTAGE;
+	} else if (sprdbat_data->bat_info.
+		   chg_stop_flags & (SPRDBAT_CHG_END_TIMEOUT_BIT |
+				     SPRDBAT_CHG_END_FULL_BIT)) {
+		sprdbat_data->bat_info.bat_health = POWER_SUPPLY_HEALTH_GOOD;
+	} else {
+		BUG_ON(1);
+	}
+}
+
+static inline void _sprdbat_set_stopflags(uint32_t flag)
+{
+	SPRDBAT_DEBUG("_sprdbat_set_stopflags flags:0x%x\n", flag);
+
+	if (sprdbat_data->bat_info.chg_stop_flags == SPRDBAT_CHG_END_NONE_BIT) {
+		//sprdbat_stop_charge();
+		sprdbat_data->stop_charge();
+	}
+	sprdbat_data->bat_info.chg_stop_flags |= flag;
+	if (sprdbat_data->bat_info.module_state == POWER_SUPPLY_STATUS_CHARGING) {
+		if ((flag == SPRDBAT_CHG_END_FULL_BIT)) {
+			sprdbat_data->bat_info.module_state =
+			    POWER_SUPPLY_STATUS_FULL;
+		} else if (flag == SPRDBAT_CHG_END_TIMEOUT_BIT) {
+			if (sprdbat_data->pdata->chgtimeout_show_full) {
+				sprdbat_data->bat_info.module_state =
+				    POWER_SUPPLY_STATUS_FULL;
+			}
+		} else {
+			sprdbat_data->bat_info.module_state =
+			    POWER_SUPPLY_STATUS_NOT_CHARGING;
+		}
+	}
+}
+
+static void sprdbat_change_module_state(uint32_t event)
+{
+	SPRDBAT_DEBUG("sprdbat_change_module_state event :0x%x\n", event);
+	switch (event) {
+	case SPRDBAT_ADP_PLUGIN_E:
+		sprdbat_data->bat_info.chg_this_timeout =
+		    sprdbat_data->pdata->chg_timeout;
+		_sprdbat_clear_stopflags(~SPRDBAT_CHG_END_UNSPEC);
+		if (sprdbat_data->
+		    bat_info.chg_stop_flags & SPRDBAT_CHG_END_UNSPEC) {
+			sprdbat_data->bat_info.module_state =
+			    POWER_SUPPLY_STATUS_NOT_CHARGING;
+		}
+		queue_delayed_work(sprdbat_data->monitor_wqueue,
+				   sprdbat_data->charge_work, 2 * HZ);
+		break;
+	case SPRDBAT_ADP_PLUGOUT_E:
+		if (sprdbat_data->
+		    bat_info.chg_stop_flags & SPRDBAT_CHG_END_UNSPEC) {
+			sprdbat_data->bat_info.bat_health =
+			    POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
+		} else {
+			sprdbat_data->bat_info.bat_health =
+			    POWER_SUPPLY_HEALTH_GOOD;
+		}
+		sprdbat_data->bat_info.chg_stop_flags &= SPRDBAT_CHG_END_UNSPEC;
+		sprdbat_data->bat_info.module_state =
+		    POWER_SUPPLY_STATUS_DISCHARGING;
+		//sprdbat_stop_charge();
+		sprdbat_data->stop_charge();
+		break;
+	case SPRDBAT_OVI_STOP_E:
+		if (sprdbat_data->bat_info.bat_health ==
+		    POWER_SUPPLY_HEALTH_GOOD) {
+			sprdbat_data->bat_info.bat_health =
+			    POWER_SUPPLY_HEALTH_OVERVOLTAGE;
+		}
+		_sprdbat_set_stopflags(SPRDBAT_CHG_END_OVP_BIT);
+		break;
+	case SPRDBAT_OVI_RESTART_E:
+		_sprdbat_clear_stopflags(SPRDBAT_CHG_END_OVP_BIT);
+		break;
+	case SPRDBAT_OTP_COLD_STOP_E:
+		if (sprdbat_data->bat_info.bat_health ==
+		    POWER_SUPPLY_HEALTH_GOOD) {
+			sprdbat_data->bat_info.bat_health =
+			    POWER_SUPPLY_HEALTH_COLD;
+		}
+		_sprdbat_set_stopflags(SPRDBAT_CHG_END_OTP_COLD_BIT);
+		break;
+	case SPRDBAT_OTP_OVERHEAT_STOP_E:
+		if (sprdbat_data->bat_info.bat_health ==
+		    POWER_SUPPLY_HEALTH_GOOD) {
+			sprdbat_data->bat_info.bat_health =
+			    POWER_SUPPLY_HEALTH_OVERHEAT;
+		}
+		_sprdbat_set_stopflags(SPRDBAT_CHG_END_OTP_OVERHEAT_BIT);
+		break;
+	case SPRDBAT_OTP_COLD_RESTART_E:
+		_sprdbat_clear_stopflags(SPRDBAT_CHG_END_OTP_COLD_BIT);
+		break;
+	case SPRDBAT_OTP_OVERHEAT_RESTART_E:
+		_sprdbat_clear_stopflags(SPRDBAT_CHG_END_OTP_OVERHEAT_BIT);
+		break;
+	case SPRDBAT_CHG_FULL_E:
+		sprdbat_data->bat_info.chg_this_timeout =
+		    sprdbat_data->pdata->chg_rechg_timeout;
+		_sprdbat_set_stopflags(SPRDBAT_CHG_END_FULL_BIT);
+		break;
+	case SPRDBAT_RECHARGE_E:
+		_sprdbat_clear_stopflags(SPRDBAT_CHG_END_FULL_BIT);
+		break;
+	case SPRDBAT_CHG_TIMEOUT_E:
+		sprdbat_data->bat_info.chg_this_timeout =
+		    sprdbat_data->pdata->chg_rechg_timeout;
+		_sprdbat_set_stopflags(SPRDBAT_CHG_END_TIMEOUT_BIT);
+		break;
+	case SPRDBAT_CHG_TIMEOUT_RESTART_E:
+		_sprdbat_clear_stopflags(SPRDBAT_CHG_END_TIMEOUT_BIT);
+		break;
+	case SPRDBAT_CHG_UNSPEC_E:
+		if (sprdbat_data->bat_info.bat_health ==
+		    POWER_SUPPLY_HEALTH_GOOD) {
+			sprdbat_data->bat_info.bat_health =
+			    POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
+		}
+		_sprdbat_set_stopflags(SPRDBAT_CHG_END_UNSPEC);
+		break;
+
+	default:
+		BUG_ON(1);
+		break;
+	}
+	power_supply_changed(&sprdbat_data->battery);
+}
+
+static int plugin_callback(int usb_cable, void *data)
+{
+	SPRDBAT_DEBUG("charger plug in interrupt happen\n");
+
+	mutex_lock(&sprdbat_data->lock);
+#ifndef SPRDBAT_TWO_CHARGE_CHANNEL
+	wake_lock_timeout(&(sprdbat_data->charger_plug_out_lock),
+			  SPRDBAT_PLUG_WAKELOCK_TIME_SEC * HZ);
+
+	sprdbat_data->bat_info.adp_type = sprdchg_charger_is_adapter();
+	if (sprdbat_data->bat_info.adp_type == ADP_TYPE_DCP) {
+		sprdbat_data->bat_info.ac_online = 1;
+	} else {
+		sprdbat_data->bat_info.usb_online = 1;
+	}
+	sprdbat_adp_plug_nodify(1);
+#else
+	if (sprdbat_data->bat_info.usb_online) {
+		sprdbat_stop_chg_process_ext();
+	} else {
+		sprdbat_adp_plug_nodify(1);
+	}
+	sprdbat_data->bat_info.ac_online = 1;
+	sprdbat_data->bat_info.adp_type = ADP_TYPE_DCP;
+	sprdbat_data->start_charge = sprdbat_start_charge;
+	sprdbat_data->stop_charge = sprdbat_stop_charge;
+	sprdbat_data->charge_work = &sprdbat_charge_work;
+#endif
+	sprdbat_change_module_state(SPRDBAT_ADP_PLUGIN_E);
+	irq_set_irq_type(sprdbat_data->irq_vchg_ovi, IRQ_TYPE_LEVEL_HIGH);
+	enable_irq(sprdbat_data->irq_vchg_ovi);
+
+	sprdchg_timer_enable(sprdbat_data->pdata->chg_polling_time);
+
+	mutex_unlock(&sprdbat_data->lock);
+
+	SPRDBAT_DEBUG("plugin_callback:sprdbat_data->bat_info.adp_type:%d\n",
+		      sprdbat_data->bat_info.adp_type);
+
+	if (sprdbat_data->bat_info.adp_type == ADP_TYPE_DCP)
+		power_supply_changed(&sprdbat_data->ac);
+	else
+		power_supply_changed(&sprdbat_data->usb);
+
+	SPRDBAT_DEBUG("plugin_callback: end...\n");
+	return 0;
+}
+
+static int plugout_callback(int usb_cable, void *data)
+{
+	uint32_t adp_type = sprdbat_data->bat_info.adp_type;
+
+	SPRDBAT_DEBUG("charger plug out interrupt happen\n");
+
+	mutex_lock(&sprdbat_data->lock);
+
+	disable_irq_nosync(sprdbat_data->irq_vchg_ovi);
+
+	sprdchg_timer_disable();
+	sprdbat_change_module_state(SPRDBAT_ADP_PLUGOUT_E);
+
+#ifndef SPRDBAT_TWO_CHARGE_CHANNEL
+	wake_lock_timeout(&(sprdbat_data->charger_plug_out_lock),
+			  SPRDBAT_PLUG_WAKELOCK_TIME_SEC * HZ);
+	sprdbat_adp_plug_nodify(0);
+	sprdbat_data->bat_info.adp_type = ADP_TYPE_UNKNOW;
+	sprdbat_data->bat_info.ac_online = 0;
+	sprdbat_data->bat_info.usb_online = 0;
+#else
+	sprdbat_data->bat_info.ac_online = 0;
+	if (sprdbat_data->bat_info.usb_online) {
+		sprdbat_start_chg_process_ext();
+	} else {
+		sprdbat_adp_plug_nodify(0);
+	}
+#endif
+	mutex_unlock(&sprdbat_data->lock);
+
+	if (adp_type == ADP_TYPE_DCP)
+		power_supply_changed(&sprdbat_data->ac);
+	else
+		power_supply_changed(&sprdbat_data->usb);
+	return 0;
+}
+
+#ifndef SPRDBAT_TWO_CHARGE_CHANNEL
+static struct usb_hotplug_callback power_cb = {
+	.plugin = plugin_callback,
+	.plugout = plugout_callback,
+	.data = NULL,
+};
+#else
+static struct usb_hotplug_callback power_cb = {
+	.plugin = plugin_callback_ext,
+	.plugout = plugout_callback_ext,
+	.data = NULL,
+};
+
+#endif
+
+static char *supply_list[] = {
+	"battery",
+};
+
+static char *battery_supply_list[] = {
+	"audio-ldo",
+	"sprdfgu",
+};
+
+static int sprdbat_timer_handler(void *data)
+{
+	sprdbat_data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+	sprdbat_data->bat_info.vbat_ocv = sprdfgu_read_vbat_ocv();
+	sprdbat_data->bat_info.bat_current = sprdfgu_read_batcurrent();
+#if 0
+	SPRDBAT_DEBUG
+	    ("sprdbat_timer_handler---vbat_vol %d,ocv:%d,bat_current:%d\n",
+	     sprdbat_data->bat_info.vbat_vol, sprdbat_data->bat_info.vbat_ocv,
+	     sprdbat_data->bat_info.bat_current);
+#endif
+	queue_delayed_work(sprdbat_data->monitor_wqueue,
+			   sprdbat_data->charge_work, 0);
+	return 0;
+}
+
+static __used irqreturn_t sprdbat_vchg_ovi_irq(int irq, void *dev_id)
+{
+	int value;
+
+	value = gpio_get_value(sprdbat_data->gpio_vchg_ovi);
+	if (value) {
+		SPRDBAT_DEBUG("charger ovi high\n");
+		irq_set_irq_type(sprdbat_data->irq_vchg_ovi,
+				 IRQ_TYPE_LEVEL_LOW);
+	} else {
+		SPRDBAT_DEBUG("charger ovi low\n");
+		irq_set_irq_type(sprdbat_data->irq_vchg_ovi,
+				 IRQ_TYPE_LEVEL_HIGH);
+	}
+	queue_work(sprdbat_data->monitor_wqueue, &sprdbat_data->ovi_irq_work);
+	return IRQ_HANDLED;
+}
+
+static int sprdbat_adjust_cccvpoint(uint32_t vbat_now)
+{
+
+	uint32_t cv;
+
+	if (sprdbat_cccv_cal_from_chip) {
+		return 0;
+	}
+
+	if (vbat_now <= sprdbat_data->pdata->chg_end_vol_pure) {
+		cv = ((sprdbat_data->pdata->chg_end_vol_pure -
+		       vbat_now) * 10) / ONE_CCCV_STEP_VOL + 1;
+		cv += sprdchg_get_cccvpoint();
+
+		SPRDBAT_DEBUG("sprdbat_adjust_cccvpoint turn high cv:0x%x\n",
+			      cv);
+		//BUG_ON(cv > SPRDBAT_CCCV_MAX);
+		if (cv > SPRDBAT_CCCV_MAX) {
+			cv = SPRDBAT_CCCV_MAX;
+		}
+		sprdbat_data->bat_info.cccv_point = cv;
+		sprdchg_set_cccvpoint(cv);
+	} else {
+		cv = sprdchg_get_cccvpoint();
+		//BUG_ON(cv < (SPRDBAT_CCCV_MIN + 2));
+		if (cv < (SPRDBAT_CCCV_MIN + 1)) {
+			cv = SPRDBAT_CCCV_MIN + 1;
+		}
+		cv -= 1;
+		sprdbat_data->bat_info.cccv_point = cv;
+		SPRDBAT_DEBUG("sprdbat_adjust_cccvpoint turn low cv:0x%x\n",
+			      cv);
+		sprdchg_set_cccvpoint(cv);
+	}
+
+	return 0;
+}
+
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+static irqreturn_t sprdbat_chg_cv_irq(int irq, void *dev_id)
+{
+	if (sprdchg_get_eoc_level() != sprdbat_data->pdata->chg_eoc_level) {
+		sprdchg_set_eoc_level(sprdbat_data->pdata->chg_eoc_level);
+		SPRDBAT_DEBUG("sprdbat_chg_cv_irq reset eoc level\n");
+		return IRQ_HANDLED;
+	}
+
+	if (!sprdbat_cv_irq_dis) {
+		disable_irq_nosync(sprdbat_data->irq_chg_cv_state);
+		sprdbat_cv_irq_dis = 1;
+	}
+
+	sprdbat_data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+	SPRDBAT_DEBUG("sprdbat_chg_cv_irq vol %d\n",
+		      sprdbat_data->bat_info.vbat_vol);
+
+	SPRDBAT_DEBUG("sprdbat_chg_cv_irq voltage full ,trickle chargeing\n");
+	sprdbat_trickle_chg = 1;
+
+	return IRQ_HANDLED;
+}
+#else
+static irqreturn_t sprdbat_chg_cv_irq(int irq, void *dev_id)
+{
+	int value;
+
+	value = gpio_get_value(sprdbat_data->gpio_chg_cv_state);
+
+	SPRDBAT_DEBUG("sprdbat_chg_cv_irq:%d\n", value);
+
+	if (!sprdbat_cv_irq_dis) {
+		disable_irq_nosync(sprdbat_data->irq_chg_cv_state);
+		sprdbat_cv_irq_dis = 1;
+	}
+
+	sprdbat_data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+	SPRDBAT_DEBUG("sprdbat_chg_cv_irq vol %d\n",
+		      sprdbat_data->bat_info.vbat_vol);
+	if (sprdbat_data->bat_info.vbat_vol >=
+	    sprdbat_data->pdata->chg_end_vol_pure) {
+		SPRDBAT_DEBUG
+		    ("sprdbat_chg_cv_irq voltage full ,trickle chargeing\n");
+		sprdbat_trickle_chg = 1;
+	} else {
+		sprdbat_average_cnt = 0;
+		sprdbat_adjust_cccvpoint(sprdbat_data->bat_info.vbat_vol);
+		schedule_delayed_work(&sprdbat_data->cv_irq_work, (HZ * 1));
+	}
+	return IRQ_HANDLED;
+}
+#endif
+static void sprdbat_cv_irq_works(struct work_struct *work)
+{
+	mutex_lock(&sprdbat_data->lock);
+	if ((sprdbat_data->bat_info.module_state ==
+	     POWER_SUPPLY_STATUS_DISCHARGING)
+	    || (sprdbat_data->bat_info.chg_stop_flags !=
+		SPRDBAT_CHG_END_NONE_BIT)) {
+		mutex_unlock(&sprdbat_data->lock);	//fixed
+		SPRDBAT_DEBUG("sprdbat_cv_irq_works return \n");
+		return;
+	} else {
+		SPRDBAT_DEBUG("sprdbat_cv_irq_works adjust cccv\n");
+		if (sprdbat_cv_irq_dis) {
+			SPRDBAT_DEBUG("sprdbat_cv_irq_works enable_irq\n");
+			sprdbat_cv_irq_dis = 0;
+			enable_irq(sprdbat_data->irq_chg_cv_state);
+		}
+	}
+	mutex_unlock(&sprdbat_data->lock);
+}
+
+static void sprdbat_ovi_irq_works(struct work_struct *work)
+{
+	int value;
+
+	value = gpio_get_value(sprdbat_data->gpio_vchg_ovi);
+
+	sprdbat_data->bat_info.vchg_vol = sprdchg_read_vchg_vol();
+	SPRDBAT_DEBUG("vchg_vol:%d,gpio:%d\n", sprdbat_data->bat_info.vchg_vol,
+		      value);
+
+	mutex_lock(&sprdbat_data->lock);
+	if (sprdbat_data->bat_info.module_state ==
+	    POWER_SUPPLY_STATUS_DISCHARGING) {
+		mutex_unlock(&sprdbat_data->lock);
+		return;
+	}
+#ifdef SPRDBAT_TWO_CHARGE_CHANNEL
+	if (!sprdbat_data->bat_info.ac_online) {
+		mutex_unlock(&sprdbat_data->lock);
+		return;
+	}
+#endif
+
+	if (value) {
+		if (!
+		    (SPRDBAT_CHG_END_OVP_BIT & sprdbat_data->bat_info.
+		     chg_stop_flags)) {
+			SPRDBAT_DEBUG("SPRDBAT_OVI_STOP_E\n");
+			sprdbat_change_module_state(SPRDBAT_OVI_STOP_E);
+		}
+	} else {
+		if ((SPRDBAT_CHG_END_OVP_BIT & sprdbat_data->bat_info.
+		     chg_stop_flags)) {
+			SPRDBAT_DEBUG("SPRDBAT_OVI_RESTART_E\n");
+			sprdbat_change_module_state(SPRDBAT_OVI_RESTART_E);
+		}
+	}
+	mutex_unlock(&sprdbat_data->lock);
+}
+
+static __used irqreturn_t sprdbat_vbat_detect_irq(int irq, void *dev_id)
+{
+	sprdbat_data->stop_charge();
+	disable_irq_nosync(sprdbat_data->irq_vbat_detect);
+	SPRDBAT_DEBUG("battery remove!!!!\n");
+	queue_work(sprdbat_data->monitor_wqueue,
+		   &sprdbat_data->vbat_detect_irq_work);
+	return IRQ_HANDLED;
+}
+
+static void sprdbat_vbat_detect_irq_works(struct work_struct *work)
+{
+	int value;
+
+	value = gpio_get_value(sprdbat_data->gpio_vbat_detect);
+	SPRDBAT_DEBUG("bat_detect value:%d\n", value);
+
+	mutex_lock(&sprdbat_data->lock);
+
+	sprdbat_change_module_state(SPRDBAT_CHG_UNSPEC_E);
+
+	mutex_unlock(&sprdbat_data->lock);
+}
+
+static void sprdbat_chg_print_log(void)
+{
+	struct timespec cur_time;
+
+	get_monotonic_boottime(&cur_time);
+
+	//SPRDBAT_DEBUG("adp_type:%d\n", sprdbat_data->bat_info.adp_type);
+	SPRDBAT_DEBUG
+	    ("chg_log:time:%ld,health:%d,state:%d,stopflags0x:%x,chg_s_time:%ld,temp:%d\n",
+	     cur_time.tv_sec, sprdbat_data->bat_info.bat_health,
+	     sprdbat_data->bat_info.module_state,
+	     sprdbat_data->bat_info.chg_stop_flags,
+	     sprdbat_data->bat_info.chg_start_time,
+	     sprdbat_data->bat_info.cur_temp);
+
+	//SPRDBAT_DEBUG("capacity:%d\n", sprdbat_data->bat_info.capacity);
+	//SPRDBAT_DEBUG("soc:%d\n", sprdbat_data->bat_info.soc);
+	//SPRDBAT_DEBUG("vbat_vol:%d\n", sprdbat_data->bat_info.vbat_vol);
+	//SPRDBAT_DEBUG("vbat_ocv:%d\n", sprdbat_data->bat_info.vbat_ocv);
+	//SPRDBAT_DEBUG("cur_temp:%d\n", sprdbat_data->bat_info.cur_temp);
+	//SPRDBAT_DEBUG("bat_current:%d\n", sprdbat_data->bat_info.bat_current);
+	//SPRDBAT_DEBUG("chging_current:%d\n",
+	//            sprdbat_data->bat_info.chging_current);
+	SPRDBAT_DEBUG
+	    ("chg_log:chgcur_type:%d,cccv:%d,vchg:%d,cvstate:%d,cccv_cal:%d\n",
+	     sprdbat_data->bat_info.chg_current_type,
+	     sprdbat_data->bat_info.cccv_point, sprdchg_read_vchg_vol(),
+	     gpio_get_value(sprdbat_data->gpio_chg_cv_state),
+	     sprdbat_cccv_cal_from_chip);
+
+	//SPRDBAT_DEBUG("aux vbat vol:%d\n", sprdchg_read_vbat_vol());
+
+}
+
+static void sprdbat_print_battery_log(void)
+{
+	struct timespec cur_time;
+
+	get_monotonic_boottime(&cur_time);
+
+	SPRDBAT_DEBUG
+	    ("bat_log:time:%ld,vbat:%d,ocv:%d,current:%d,cap:%d,state:%d,auxbat:%d,temp:%d\n",
+	     cur_time.tv_sec, sprdbat_data->bat_info.vbat_vol,
+	     sprdbat_data->bat_info.vbat_ocv,
+	     sprdbat_data->bat_info.bat_current,
+	     sprdbat_data->bat_info.capacity,
+	     sprdbat_data->bat_info.module_state, sprdchg_read_vbat_vol(), sprdbat_data->bat_info.cur_temp);
+}
+
+#define SPRDBAT_SHUTDOWN_OFSSET 50
+static void sprdbat_update_capacty(void)
+{
+	uint32_t fgu_capacity = sprdfgu_read_capacity();
+	uint32_t flush_time = 0;
+	uint32_t period_time = 0;
+	struct timespec cur_time;
+	if (sprdbat_data->bat_info.capacity == ~0) {
+		return;
+	}
+	get_monotonic_boottime(&cur_time);
+	flush_time = cur_time.tv_sec - sprdbat_update_capacity_time;
+	period_time = cur_time.tv_sec - sprdbat_last_query_time;
+	sprdbat_last_query_time = cur_time.tv_sec;
+
+	SPRDBAT_DEBUG("fgu_cap: = %d,flush: = %d,period:=%d\n",
+		      fgu_capacity, flush_time, period_time);
+
+	switch (sprdbat_data->bat_info.module_state) {
+	case POWER_SUPPLY_STATUS_CHARGING:
+		if (fgu_capacity < sprdbat_data->bat_info.capacity) {
+			if (sprdfgu_read_batcurrent() >= 0) {
+				pr_info("avoid vol jumping\n");
+				fgu_capacity = sprdbat_data->bat_info.capacity;
+			} else {
+				if (period_time <
+				    sprdbat_data->pdata->cap_one_per_time) {
+					fgu_capacity =
+					    sprdbat_data->bat_info.capacity - 1;
+					SPRDBAT_DEBUG
+					    ("cap decrease when charging fgu_capacity: = %d\n",
+					     fgu_capacity);
+				}
+				if ((sprdbat_data->bat_info.capacity -
+				     fgu_capacity) >=
+				    (flush_time /
+				     sprdbat_data->pdata->cap_one_per_time)) {
+					fgu_capacity =
+					    sprdbat_data->bat_info.capacity -
+					    flush_time /
+					    sprdbat_data->
+					    pdata->cap_one_per_time;
+				}
+
+			}
+		} else if (fgu_capacity > sprdbat_data->bat_info.capacity) {
+			if (period_time < sprdbat_data->pdata->cap_one_per_time) {
+				fgu_capacity =
+				    sprdbat_data->bat_info.capacity + 1;
+				SPRDBAT_DEBUG
+				    ("avoid  jumping! fgu_cap: = %d\n",
+				     fgu_capacity);
+			}
+			if ((fgu_capacity - sprdbat_data->bat_info.capacity) >=
+			    (flush_time /
+			     sprdbat_data->pdata->cap_one_per_time)) {
+				fgu_capacity =
+				    sprdbat_data->bat_info.capacity +
+				    flush_time /
+				    sprdbat_data->pdata->cap_one_per_time;
+			}
+		}
+		/*when soc=100 and adp plugin occur, keep on 100, */
+		if (100 == sprdbat_data->bat_info.capacity) {
+			sprdbat_update_capacity_time = cur_time.tv_sec;
+			fgu_capacity = 100;
+		} else {
+			if (fgu_capacity >= 100) {
+				fgu_capacity = 99;
+			}
+		}
+
+		if (sprdbat_data->bat_info.vbat_vol <=
+		    (sprdbat_data->pdata->soft_vbat_uvlo - SPRDBAT_SHUTDOWN_OFSSET)) {
+			fgu_capacity = 0;
+			SPRDBAT_DEBUG("soft uvlo, shutdown by kernel.. vol:%d",
+				      sprdbat_data->bat_info.vbat_vol);
+			orderly_poweroff(true);
+		}
+
+        /* the false of setting cap to 100 */
+        if((sprdbat_data->bat_info.vbat_ocv >= sprdbat_data->pdata->chg_false_full_vol || 
+                sprdbat_data->bat_info.bat_current <= sprdbat_data->pdata->chg_end_cur) && 
+            99 == fgu_capacity) {
+            fgu_capacity = 100;
+            SPRDBAT_DEBUG("%s():OHH, set false cap 100; bat_ocv=%d false_full_vol=%d"
+                    " bat_cur=%d chg_end_cur = %d", __func__, sprdbat_data->bat_info.vbat_ocv,
+                    sprdbat_data->pdata->chg_false_full_vol,
+                sprdbat_data->bat_info.bat_current, sprdbat_data->pdata->chg_end_cur);
+        }
+        /* the false of setting cap to 100 */
+
+		break;
+	case POWER_SUPPLY_STATUS_NOT_CHARGING:
+	case POWER_SUPPLY_STATUS_DISCHARGING:
+		if (fgu_capacity >= sprdbat_data->bat_info.capacity) {
+			fgu_capacity = sprdbat_data->bat_info.capacity;
+		} else {
+			if (period_time < sprdbat_data->pdata->cap_one_per_time) {
+				fgu_capacity =
+				    sprdbat_data->bat_info.capacity - 1;
+				SPRDBAT_DEBUG
+				    ("avoid jumping! fgu_capacity: = %d\n",
+				     fgu_capacity);
+			}
+			if ((sprdbat_data->bat_info.capacity - fgu_capacity) >=
+			    (flush_time /
+			     sprdbat_data->pdata->cap_one_per_time)) {
+				fgu_capacity =
+				    sprdbat_data->bat_info.capacity -
+				    flush_time /
+				    sprdbat_data->pdata->cap_one_per_time;
+			}
+		}
+		break;
+	case POWER_SUPPLY_STATUS_FULL:
+		sprdbat_update_capacity_time = cur_time.tv_sec;
+		if (fgu_capacity != 100) {
+			fgu_capacity = 100;
+		}
+
+		if (sprdbat_data->bat_info.vbat_vol <=
+		    (sprdbat_data->pdata->soft_vbat_uvlo - SPRDBAT_SHUTDOWN_OFSSET)) {
+			fgu_capacity = 0;
+			SPRDBAT_DEBUG("soft uvlo, shutdown by kernel when status is full.. vol:%d",
+				      sprdbat_data->bat_info.vbat_vol);
+			orderly_poweroff(true);
+		}
+
+		break;
+	default:
+		BUG_ON(1);
+		break;
+	}
+
+	if (sprdbat_data->bat_info.vbat_vol <=
+	    sprdbat_data->pdata->soft_vbat_uvlo) {
+		fgu_capacity = 0;
+		SPRDBAT_DEBUG("soft uvlo, vbat very low,level..0.. vol:%d",
+			      sprdbat_data->bat_info.vbat_vol);
+	}
+
+	if (fgu_capacity != sprdbat_data->bat_info.capacity) {
+		sprdbat_data->bat_info.capacity = fgu_capacity;
+		sprdbat_update_capacity_time = cur_time.tv_sec;
+		sprdfgu_record_cap(sprdbat_data->bat_info.capacity);
+		power_supply_changed(&sprdbat_data->battery);
+	}
+
+}
+
+static void sprdbat_battery_works(struct work_struct *work)
+{
+	SPRDBAT_DEBUG("sprdbat_battery_works\n");
+
+	mutex_lock(&sprdbat_data->lock);
+
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+	if (sprdbat_data->bat_info.module_state !=
+	    POWER_SUPPLY_STATUS_DISCHARGING
+	    && sprdbat_data->bat_info.chg_stop_flags ==
+	    SPRDBAT_CHG_END_NONE_BIT) {
+		mutex_unlock(&sprdbat_data->lock);
+		SPRDBAT_DEBUG("sprdbat_battery_works return\n");
+		return;
+	}
+#endif
+
+	sprdbat_data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+	sprdbat_data->bat_info.cur_temp = sprdbat_read_temp();
+	sprdbat_data->bat_info.bat_current = sprdfgu_read_batcurrent();
+	sprdbat_data->bat_info.vbat_ocv = sprdfgu_read_vbat_ocv();
+
+	sprdbat_data->bat_info.bat_current_avg  =
+		sprdbat_get_current_from_buff(sprdbat_data->bat_info.bat_current);
+	sprdbat_update_capacty();
+
+	mutex_unlock(&sprdbat_data->lock);
+	sprdbat_print_battery_log();
+
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+	if (sprdbat_data->bat_info.module_state ==
+	    POWER_SUPPLY_STATUS_DISCHARGING
+	    || sprdbat_data->bat_info.chg_stop_flags !=
+	    SPRDBAT_CHG_END_NONE_BIT) {
+		schedule_delayed_work(&sprdbat_data->battery_work,
+				      sprdbat_data->pdata->bat_polling_time *
+				      HZ);
+	}
+#else
+	if (sprdbat_data->bat_info.module_state == POWER_SUPPLY_STATUS_CHARGING) {
+		schedule_delayed_work(&sprdbat_data->battery_work,
+				      sprdbat_data->pdata->
+				      bat_polling_time_fast * HZ);
+	} else {
+		schedule_delayed_work(&sprdbat_data->battery_work,
+				      sprdbat_data->pdata->bat_polling_time *
+				      HZ);
+	}
+#endif
+}
+
+static void sprdbat_battery_sleep_works(struct work_struct *work)
+{
+	SPRDBAT_DEBUG("sprdbat_battery_sleep_works\n");
+	if (schedule_delayed_work(&sprdbat_data->battery_work, 0) == 0) {
+		cancel_delayed_work_sync(&sprdbat_data->battery_work);
+		schedule_delayed_work(&sprdbat_data->battery_work, 0);
+	}
+}
+
+static uint32_t temp_trigger_cnt;
+static void sprdbat_temp_monitor(void)
+{
+	sprdbat_data->bat_info.cur_temp = sprdbat_read_temp();
+
+	if (sprdbat_data->bat_info.
+	    chg_stop_flags & SPRDBAT_CHG_END_OTP_COLD_BIT) {
+		if (sprdbat_data->bat_info.cur_temp >
+		    sprdbat_data->pdata->otp_low_restart)
+			sprdbat_change_module_state(SPRDBAT_OTP_COLD_RESTART_E);
+
+		SPRDBAT_DEBUG("otp_low_restart:%d\n",
+			      sprdbat_data->pdata->otp_low_restart);
+	} else if (sprdbat_data->bat_info.
+		   chg_stop_flags & SPRDBAT_CHG_END_OTP_OVERHEAT_BIT) {
+		if (sprdbat_data->bat_info.cur_temp <
+		    sprdbat_data->pdata->otp_high_restart)
+			sprdbat_change_module_state
+			    (SPRDBAT_OTP_OVERHEAT_RESTART_E);
+
+		SPRDBAT_DEBUG("otp_high_restart:%d\n",
+			      sprdbat_data->pdata->otp_high_restart);
+	} else {
+		if (sprdbat_data->bat_info.cur_temp <
+		    sprdbat_data->pdata->otp_low_stop
+		    || sprdbat_data->bat_info.cur_temp >
+		    sprdbat_data->pdata->otp_high_stop) {
+			SPRDBAT_DEBUG("otp_low_stop:%d,otp_high_stop:%d\n",
+				      sprdbat_data->pdata->otp_low_stop,
+				      sprdbat_data->pdata->otp_high_stop);
+			temp_trigger_cnt++;
+			if (temp_trigger_cnt > SPRDBAT_TEMP_TRIGGER_TIMES) {
+				if (sprdbat_data->bat_info.cur_temp <
+				    sprdbat_data->pdata->otp_low_stop) {
+					sprdbat_change_module_state
+					    (SPRDBAT_OTP_COLD_STOP_E);
+				} else {
+					sprdbat_change_module_state
+					    (SPRDBAT_OTP_OVERHEAT_STOP_E);
+				}
+				//sprdchg_timer_enable(sprdbat_data->pdata->
+				//		     chg_polling_time);
+				temp_trigger_cnt = 0;
+			} else {
+				//sprdchg_timer_enable(sprdbat_data->pdata->
+				//		     chg_polling_time_fast);
+			}
+		} else {
+			if (temp_trigger_cnt) {
+				//sprdchg_timer_enable(sprdbat_data->pdata->
+				//		     chg_polling_time);
+				temp_trigger_cnt = 0;
+			}
+		}
+	}
+}
+
+static int sprdbat_is_chg_timeout(void)
+{
+	struct timespec cur_time;
+
+	get_monotonic_boottime(&cur_time);
+	if (cur_time.tv_sec - sprdbat_data->bat_info.chg_start_time >
+	    sprdbat_data->bat_info.chg_this_timeout)
+		return 1;
+	else
+		return 0;
+}
+
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+static inline sprdbat_polling_chg_state(void)
+{
+	unsigned long irq_flag = 0;
+
+	if (gpio_get_value(sprdbat_data->gpio_chg_cv_state)) {
+		struct timespec cur_time;
+		uint32_t chging_keep_time;
+
+		SPRDBAT_DEBUG("first cccv eoc%d!\n", sprdchg_get_eoc_level());
+		get_monotonic_boottime(&cur_time);
+		chging_keep_time =
+		    cur_time.tv_sec - sprdbat_data->bat_info.chg_start_time;
+		if (chging_keep_time <= sprdbat_data->bat_info.chg_this_timeout) {
+			if (sprdbat_data->pdata->chg_cv_timeout <
+			    sprdbat_data->bat_info.chg_this_timeout -
+			    chging_keep_time) {
+				sprdbat_data->bat_info.chg_this_timeout =
+				    sprdbat_data->pdata->chg_cv_timeout;
+			} else {
+				sprdbat_data->bat_info.chg_this_timeout =
+				    sprdbat_data->bat_info.chg_this_timeout -
+				    chging_keep_time;
+			}
+			sprdbat_data->bat_info.chg_start_time = cur_time.tv_sec;
+		}
+#if 1
+		sprdchg_set_eoc_level(sprdbat_data->pdata->chg_eoc_level);
+		mdelay(5);
+		SPRDBAT_DEBUG("after reset eoc%d, cv:%d!\n",
+			      sprdchg_get_eoc_level(),
+			      gpio_get_value(sprdbat_data->gpio_chg_cv_state));
+
+		{
+			struct irq_desc *desc =
+			    irq_to_desc(sprdbat_data->irq_chg_cv_state);
+			struct irq_data *idata = irq_desc_get_irq_data(desc);
+			struct irq_chip *chip = irq_desc_get_chip(desc);
+			if (chip->irq_ack) {
+				chip->irq_ack(idata);
+			}
+		}
+
+		local_irq_save(irq_flag);
+		if (sprdbat_cv_irq_dis) {
+			sprdbat_cv_irq_dis = 0;
+			SPRDBAT_DEBUG("open cv irq--first cccv\n");
+			irq_set_irq_type(sprdbat_data->irq_chg_cv_state,
+					 IRQ_TYPE_LEVEL_HIGH);
+			enable_irq(sprdbat_data->irq_chg_cv_state);
+		}
+		local_irq_restore(irq_flag);
+#endif
+	}
+	SPRDBAT_DEBUG("no fgu current charing... %d\n",
+		      gpio_get_value(sprdbat_data->gpio_chg_cv_state));
+	if (sprdbat_trickle_chg) {
+		sprdbat_trickle_chg = 0;
+		SPRDBAT_DEBUG("SPRDBAT_CHG_FULL_E\n");
+		sprdbat_change_module_state(SPRDBAT_CHG_FULL_E);
+	}
+}
+#endif
+
+static void sprdbat_charge_works(struct work_struct *work)
+{
+	uint32_t cur;
+	unsigned long irq_flag = 0;
+
+	SPRDBAT_DEBUG("sprdbat_charge_works-start\n");
+
+	mutex_lock(&sprdbat_data->lock);
+
+	if (sprdbat_data->bat_info.module_state ==
+	    POWER_SUPPLY_STATUS_DISCHARGING) {
+		mutex_unlock(&sprdbat_data->lock);
+		return;
+	}
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+	if ((sprdbat_data->bat_info.chg_stop_flags == SPRDBAT_CHG_END_NONE_BIT)
+	    && chg_phy_dis_flag && (!temp_trigger_cnt)) {
+		sprdbat_update_capacty();
+		sprdbat_print_battery_log();
+		sprdchg_timer_enable(sprdbat_data->pdata->chg_polling_time);
+		sprdchg_start_charge();
+		chg_phy_dis_flag = 0;
+		SPRDBAT_DEBUG("update capacty-charging\n");
+		mutex_unlock(&sprdbat_data->lock);
+		return;
+	}
+#endif
+
+	if (sprdbat_start_chg) {
+		sprdbat_data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+		sprdbat_data->bat_info.vbat_ocv = sprdfgu_read_vbat_ocv();
+		sprdbat_data->bat_info.bat_current = sprdfgu_read_batcurrent();
+		SPRDBAT_DEBUG
+		    ("sprdbat_charge_works---vbat_vol %d,ocv:%d,bat_current:%d\n",
+		     sprdbat_data->bat_info.vbat_vol,
+		     sprdbat_data->bat_info.vbat_ocv,
+		     sprdbat_data->bat_info.bat_current);
+
+		if (!sprdbat_cccv_cal_from_chip) {
+			local_irq_save(irq_flag);
+			if (sprdbat_cv_irq_dis) {
+				sprdbat_cv_irq_dis = 0;
+				enable_irq(sprdbat_data->irq_chg_cv_state);
+			}
+			local_irq_restore(irq_flag);
+		}
+		sprdbat_start_chg = 0;
+	}
+
+	sprdbat_temp_monitor();
+
+	if (sprdbat_data->bat_info.chg_stop_flags & SPRDBAT_CHG_END_TIMEOUT_BIT) {
+		SPRDBAT_DEBUG("SPRDBAT_CHG_TIMEOUT_RESTART_E\n");
+		sprdbat_change_module_state(SPRDBAT_CHG_TIMEOUT_RESTART_E);
+	}
+
+	if (sprdbat_data->bat_info.chg_stop_flags == SPRDBAT_CHG_END_NONE_BIT) {
+#ifdef CHG_CUR_ADJUST
+		sprdbat_auto_switch_cur();
+#endif
+		if (sprdbat_is_chg_timeout()) {
+			SPRDBAT_DEBUG("chg timeout\n");
+			if (sprdbat_data->bat_info.vbat_ocv >
+			    sprdbat_data->pdata->rechg_vol) {
+				sprdbat_change_module_state(SPRDBAT_CHG_FULL_E);
+			} else {
+				sprdbat_data->bat_info.chg_this_timeout =
+				    sprdbat_data->pdata->chg_rechg_timeout;
+				sprdbat_change_module_state
+				    (SPRDBAT_CHG_TIMEOUT_E);
+			}
+		}
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+		sprdbat_polling_chg_state();
+#else
+		if (sprdbat_cccv_cal_from_chip) {
+			SPRDBAT_DEBUG("chg_end_vol_l:0x%x\n",sprdbat_data->pdata->chg_end_vol_l);
+			if ((sprdbat_data->bat_info.vbat_vol >
+			     sprdbat_data->pdata->chg_end_vol_l
+			    || sprdchg_get_cccvstate())
+			    && (sprdbat_data->bat_info.bat_current <
+				sprdbat_data->pdata->chg_end_cur)) {
+				sprdbat_trickle_chg = 0;
+				SPRDBAT_DEBUG("SPRDBAT_CHG_FULL_E\n");
+				SPRDBAT_DEBUG("%s_1(): OHH, Cap will up to 100," 
+                        "chg_end_cur = %d bat_current = %d "
+                        "vbat_vol = %d chg_end_vol_l = %d, cccvstate = %d\n",
+                        __func__, sprdbat_data->pdata->chg_end_cur,
+                        sprdbat_data->bat_info.bat_current, 
+                        sprdbat_data->bat_info.vbat_vol, sprdbat_data->pdata->chg_end_vol_l, 
+                        sprdchg_get_cccvstate());
+				sprdbat_change_module_state(SPRDBAT_CHG_FULL_E);
+			}
+		} else {
+			if ((sprdbat_data->bat_info.vbat_vol >
+			     sprdbat_data->pdata->chg_end_vol_l
+			     || sprdbat_trickle_chg)
+			    && sprdbat_data->bat_info.bat_current <
+			    sprdbat_data->pdata->chg_end_cur) {
+				sprdbat_trickle_chg = 0;
+				SPRDBAT_DEBUG("SPRDBAT_CHG_FULL_E\n");
+				SPRDBAT_DEBUG("%s_2(): OHH, Cap will up to 100, "
+                        "chg_end_cur = %d bat_current = %d "
+                        "vbat_vol = %d chg_end_vol_l = %d\n",
+                        __func__, sprdbat_data->pdata->chg_end_cur,
+                        sprdbat_data->bat_info.bat_current, 
+                        sprdbat_data->bat_info.vbat_vol, sprdbat_data->pdata->chg_end_vol_l);
+				sprdbat_change_module_state(SPRDBAT_CHG_FULL_E);
+			}
+		}
+#endif
+		//cccv point is high
+		if (sprdbat_data->bat_info.vbat_vol >
+		    sprdbat_data->pdata->chg_end_vol_h) {
+			SPRDBAT_DEBUG("cccv point is high\n");
+			sprdbat_adjust_cccvpoint(sprdbat_data->
+						 bat_info.vbat_vol);
+		}
+
+		/*the purpose of this code is the same as cv irq handler,
+		   if cv irq is very accurately, this code can be deleted */
+		//cccv point is low
+		cur = sprdchg_read_chg_current();
+		sprdchg_put_chgcur(cur);
+		sprdbat_data->bat_info.chging_current =
+		    sprdchg_get_chgcur_ave();
+
+		SPRDBAT_DEBUG
+		    ("chg_cur: %d,chg_ave_current:%d\n",
+		     cur, sprdbat_data->bat_info.chging_current);
+
+		sprdbat_average_cnt++;
+		if (sprdbat_average_cnt == SPRDBAT_AVERAGE_COUNT) {
+			uint32_t triggre_current =
+			    sprdbat_data->bat_info.chg_current_type *
+			    SPRDBAT_CV_TRIGGER_CURRENT;
+			sprdbat_average_cnt = 0;
+			if (sprdbat_data->bat_info.vbat_vol <
+			    sprdbat_data->pdata->chg_end_vol_pure
+			    && sprdbat_data->bat_info.chging_current <
+			    triggre_current) {
+				SPRDBAT_DEBUG
+				    ("turn high cccv point vol:%d,chg_cur:%d,trigger_cur:%d",
+				     sprdbat_data->bat_info.vbat_vol,
+				     sprdbat_data->bat_info.chging_current,
+				     triggre_current);
+				sprdbat_adjust_cccvpoint(sprdbat_data->bat_info.
+							 vbat_vol);
+			}
+		}
+
+	}
+
+	if (sprdbat_data->bat_info.chg_stop_flags & SPRDBAT_CHG_END_FULL_BIT) {
+		if (sprdbat_data->bat_info.vbat_ocv <
+		    sprdbat_data->pdata->rechg_vol) {
+			SPRDBAT_DEBUG("SPRDBAT_RECHARGE_E\n");
+			sprdbat_change_module_state(SPRDBAT_RECHARGE_E);
+		}
+	}
+#ifdef CONFIG_SPRD_NOFGUCURRENT_CHG
+	if ((sprdbat_data->bat_info.chg_stop_flags == SPRDBAT_CHG_END_NONE_BIT)) {
+		sprdchg_stop_charge();
+		sprdchg_timer_enable(sprdbat_data->pdata->
+				     chg_polling_time_fast);
+		chg_phy_dis_flag = 1;
+	} else {
+		sprdchg_timer_enable(sprdbat_data->pdata->chg_polling_time);
+	}
+#endif
+
+	mutex_unlock(&sprdbat_data->lock);
+	sprdbat_chg_print_log();
+}
+
+static int sprdbat_fgu_event(struct notifier_block *this, unsigned long event,
+			     void *ptr)
+{
+	SPRDBAT_DEBUG("sprdbat_fgu_event---vol:%d\n", sprdbat_read_vbat_vol());
+	mutex_lock(&sprdbat_data->lock);
+	sprdbat_adjust_cccvpoint(sprdbat_read_vbat_vol());
+	mutex_unlock(&sprdbat_data->lock);
+	return 0;
+}
+
+//external charge ic code
+#ifdef SPRDBAT_TWO_CHARGE_CHANNEL
+static struct delayed_work sprdbat_charge_work_ext;
+static struct work_struct sprdbat_chg_detect_work;
+static uint32_t sprdbat_chg_online;
+
+static void sprdbat_chg_detect_works(struct work_struct *work)
+{
+	if (sprdbat_chg_online) {
+		SPRDBAT_DEBUG
+		    ("sprdbat_chg_detect_works plug in,vbus pull up\n");
+		plugin_callback(0, 0);
+	} else {
+		SPRDBAT_DEBUG
+		    ("sprdbat_chg_detect_works plug out,vbus pull down\n");
+		plugout_callback(0, 0);
+	}
+}
+
+static irqreturn_t sprdbat_chg_detect_int(int irq, void *dev_id)
+{
+	wake_lock_timeout(&(sprdbat_data->charger_plug_out_lock),
+			  SPRDBAT_PLUG_WAKELOCK_TIME_SEC * HZ);
+
+	sprdbat_chg_online = gpio_get_value(sprdbat_data->gpio_charger_detect);
+	SPRDBAT_DEBUG("sprdbat_chg_detect_int------sprdbat_chg_online:%d\n",
+		      sprdbat_chg_online);
+	irq_set_irq_type(irq,
+			 sprdbat_chg_online ? IRQF_TRIGGER_LOW :
+			 IRQF_TRIGGER_HIGH);
+
+	queue_work(sprdbat_data->monitor_wqueue, &sprdbat_chg_detect_work);
+
+	return IRQ_HANDLED;
+}
+
+static void sprdbat_charge_works_ext(struct work_struct *work)
+{
+	SPRDBAT_DEBUG("sprdbat_charge_works_ext----------start\n");
+
+	sprdchg_chg_monitor_cb_ext(NULL);
+	mutex_lock(&sprdbat_data->lock);
+
+	if (sprdbat_data->bat_info.module_state ==
+	    POWER_SUPPLY_STATUS_DISCHARGING) {
+		mutex_unlock(&sprdbat_data->lock);
+		return;
+	}
+	sprdbat_data->bat_info.vbat_vol = sprdbat_read_vbat_vol();
+	sprdbat_data->bat_info.vbat_ocv = sprdfgu_read_vbat_ocv();
+	sprdbat_data->bat_info.bat_current = sprdfgu_read_batcurrent();
+
+	SPRDBAT_DEBUG("sprdbat_charge_works----------vbat_vol %d,ocv:%d\n",
+		      sprdbat_data->bat_info.vbat_vol,
+		      sprdbat_data->bat_info.vbat_ocv);
+	SPRDBAT_DEBUG("sprdbat_charge_works----------bat_current %d\n",
+		      sprdbat_data->bat_info.bat_current);
+	sprdbat_temp_monitor();
+
+	if (sprdbat_data->bat_info.chg_stop_flags == SPRDBAT_CHG_END_NONE_BIT) {
+		if (sprdbat_is_chg_timeout()) {
+			SPRDBAT_DEBUG("chg timeout\n");
+			if (sprdbat_data->bat_info.vbat_ocv >
+			    sprdbat_data->pdata->rechg_vol) {
+				sprdbat_change_module_state(SPRDBAT_CHG_FULL_E);
+			} else {
+				sprdbat_data->bat_info.chg_this_timeout =
+				    sprdbat_data->pdata->chg_rechg_timeout;
+				sprdbat_change_module_state
+				    (SPRDBAT_CHG_TIMEOUT_E);
+			}
+		}
+
+		if (sprdchg_is_chg_done_ext()) {
+			SPRDBAT_DEBUG("SPRDBAT_CHG_FULL_E\n");
+			sprdbat_change_module_state(SPRDBAT_CHG_FULL_E);
+		}
+
+	}
+
+	if (sprdbat_data->bat_info.chg_stop_flags & SPRDBAT_CHG_END_TIMEOUT_BIT) {
+		SPRDBAT_DEBUG("SPRDBAT_CHG_TIMEOUT_RESTART_E\n");
+		sprdbat_change_module_state(SPRDBAT_CHG_TIMEOUT_RESTART_E);
+	}
+
+	if (sprdbat_data->bat_info.chg_stop_flags & SPRDBAT_CHG_END_FULL_BIT) {
+		if (sprdbat_data->bat_info.vbat_ocv <
+		    sprdbat_data->pdata->rechg_vol) {
+			SPRDBAT_DEBUG("SPRDBAT_RECHARGE_E\n");
+			sprdbat_change_module_state(SPRDBAT_RECHARGE_E);
+		}
+	}
+
+	mutex_unlock(&sprdbat_data->lock);
+	sprdbat_chg_print_log();
+	SPRDBAT_DEBUG("sprdbat_charge_works_ext----------end\n");
+}
+
+void sprdbat_charge_event_ext(uint32_t event)
+{
+	mutex_lock(&sprdbat_data->lock);
+	if (sprdbat_data->bat_info.module_state ==
+	    POWER_SUPPLY_STATUS_DISCHARGING
+	    || sprdbat_data->bat_info.ac_online) {
+		mutex_unlock(&sprdbat_data->lock);
+		return;
+	}
+
+	switch (event) {
+	case SPRDBAT_CHG_EVENT_EXT_OVI:
+
+		if (!
+		    (SPRDBAT_CHG_END_OVP_BIT & sprdbat_data->bat_info.
+		     chg_stop_flags)) {
+			SPRDBAT_DEBUG("SPRDBAT_OVI_STOP_E\n");
+			sprdbat_change_module_state(SPRDBAT_OVI_STOP_E);
+		}
+		break;
+	case SPRDBAT_CHG_EVENT_EXT_OVI_RESTART:
+		if ((SPRDBAT_CHG_END_OVP_BIT & sprdbat_data->bat_info.
+		     chg_stop_flags)) {
+			SPRDBAT_DEBUG("SPRDBAT_OVI_RESTART_E\n");
+			sprdbat_change_module_state(SPRDBAT_OVI_RESTART_E);
+		}
+		break;
+	default:
+		break;
+	}
+	mutex_unlock(&sprdbat_data->lock);
+}
+
+static int sprdbat_start_charge_ext(void)
+{
+	struct timespec cur_time;
+
+	get_monotonic_boottime(&cur_time);
+	sprdbat_data->bat_info.chg_start_time = cur_time.tv_sec;
+	sprdchg_start_charge_ext();
+
+	SPRDBAT_DEBUG
+	    ("sprdbat_start_charge bat_health:%d,chg_start_time:%ld,chg_current_type:%d\n",
+	     sprdbat_data->bat_info.bat_health,
+	     sprdbat_data->bat_info.chg_start_time,
+	     sprdbat_data->bat_info.chg_current_type);
+	return 0;
+}
+
+static int sprdbat_stop_charge_ext(void)
+{
+	sprdbat_data->bat_info.chg_start_time = 0;
+
+	sprdchg_stop_charge_ext();
+
+	SPRDBAT_DEBUG("sprdbat_stop_charge\n");
+	return 0;
+}
+
+static int sprdbat_start_chg_process_ext(void)
+{
+	sprdbat_data->bat_info.adp_type = ADP_TYPE_SDP;
+	sprdbat_data->start_charge = sprdbat_start_charge_ext;
+	sprdbat_data->stop_charge = sprdbat_stop_charge_ext;
+	sprdbat_data->charge_work = &sprdbat_charge_work_ext;
+	sprdchg_open_ovi_fun_ext();
+	sprdchg_timer_enable(sprdbat_data->pdata->chg_polling_time);
+	sprdbat_change_module_state(SPRDBAT_ADP_PLUGIN_E);
+	return 0;
+}
+
+static int sprdbat_stop_chg_process_ext(void)
+{
+	sprdbat_data->bat_info.adp_type = ADP_TYPE_UNKNOW;
+	sprdchg_close_ovi_fun_ext();
+	sprdchg_timer_disable();
+	sprdbat_change_module_state(SPRDBAT_ADP_PLUGOUT_E);
+	return 0;
+}
+
+static int plugin_callback_ext(int usb_cable, void *data)
+{
+	SPRDBAT_DEBUG("charger plugin_callback_ext happen\n");
+	wake_lock_timeout(&(sprdbat_data->charger_plug_out_lock),
+			  SPRDBAT_PLUG_WAKELOCK_TIME_SEC * HZ);
+	mutex_lock(&sprdbat_data->lock);
+
+	sprdbat_data->bat_info.usb_online = 1;
+	if (!sprdbat_data->bat_info.ac_online) {
+		sprdbat_adp_plug_nodify(1);
+		sprdbat_start_chg_process_ext();
+	}
+	mutex_unlock(&sprdbat_data->lock);
+
+	power_supply_changed(&sprdbat_data->ac);
+	power_supply_changed(&sprdbat_data->usb);
+
+	SPRDBAT_DEBUG("plugin_callback_ext: end...\n");
+	return 0;
+}
+
+static int plugout_callback_ext(int usb_cable, void *data)
+{
+	sprdbat_data->bat_info.usb_online = 0;
+	SPRDBAT_DEBUG("charger plugout_callback_ext happen\n");
+
+	wake_lock_timeout(&(sprdbat_data->charger_plug_out_lock),
+			  SPRDBAT_PLUG_WAKELOCK_TIME_SEC * HZ);
+	mutex_lock(&sprdbat_data->lock);
+	if (!sprdbat_data->bat_info.ac_online) {
+		sprdbat_adp_plug_nodify(0);
+		sprdbat_stop_chg_process_ext();
+	}
+	mutex_unlock(&sprdbat_data->lock);
+
+	power_supply_changed(&sprdbat_data->ac);
+	power_supply_changed(&sprdbat_data->usb);
+	return 0;
+}
+
+#endif
+
+//
+static void print_pdata(struct sprd_battery_platform_data *pdata)
+{
+#define PDATA_LOG(format, arg...) printk("sprdbat pdata: " format, ## arg)
+	int i;
+
+	PDATA_LOG("chg_end_vol_h:%d\n", pdata->chg_end_vol_h);
+	PDATA_LOG("chg_end_vol_l:%d\n", pdata->chg_end_vol_l);
+	PDATA_LOG("chg_end_vol_pure:%d\n", pdata->chg_end_vol_pure);
+	PDATA_LOG("chg_bat_safety_vol:%d\n", pdata->chg_bat_safety_vol);
+	PDATA_LOG("rechg_vol:%d\n", pdata->rechg_vol);
+	PDATA_LOG("adp_cdp_cur:%d\n", pdata->adp_cdp_cur);
+	PDATA_LOG("adp_dcp_cur:%d\n", pdata->adp_dcp_cur);
+	PDATA_LOG("adp_sdp_cur:%d\n", pdata->adp_sdp_cur);
+	PDATA_LOG("ovp_stop:%d\n", pdata->ovp_stop);
+	PDATA_LOG("ovp_restart:%d\n", pdata->ovp_restart);
+	PDATA_LOG("chg_timeout:%d\n", pdata->chg_timeout);
+	PDATA_LOG("chgtimeout_show_full:%d\n", pdata->chgtimeout_show_full);
+	PDATA_LOG("chg_rechg_timeout:%d\n", pdata->chg_rechg_timeout);
+	PDATA_LOG("chg_cv_timeout:%d\n", pdata->chg_cv_timeout);
+	PDATA_LOG("chg_eoc_level:%d\n", pdata->chg_eoc_level);
+	PDATA_LOG("cccv_default:%d\n", pdata->cccv_default);
+	PDATA_LOG("chg_end_cur:%d\n", pdata->chg_end_cur);
+	PDATA_LOG("otp_high_stop:%d\n", pdata->otp_high_stop);
+	PDATA_LOG("otp_high_restart:%d\n", pdata->otp_high_restart);
+	PDATA_LOG("otp_low_stop:%d\n", pdata->otp_low_stop);
+	PDATA_LOG("otp_low_restart:%d\n", pdata->otp_low_restart);
+	PDATA_LOG("chg_polling_time:%d\n", pdata->chg_polling_time);
+	PDATA_LOG("chg_polling_time_fast:%d\n", pdata->chg_polling_time_fast);
+	PDATA_LOG("bat_polling_time:%d\n", pdata->bat_polling_time);
+	PDATA_LOG("bat_polling_time_fast:%d\n", pdata->bat_polling_time_fast);
+	PDATA_LOG("bat_polling_time_sleep:%d\n", pdata->bat_polling_time_sleep);
+	PDATA_LOG("cap_one_per_time:%d\n", pdata->cap_one_per_time);
+	PDATA_LOG("cap_one_per_time_fast:%d\n", pdata->cap_one_per_time_fast);
+	PDATA_LOG("cap_valid_range_poweron:%d\n",
+		  pdata->cap_valid_range_poweron);
+	PDATA_LOG("temp_support:%d\n", pdata->temp_support);
+	PDATA_LOG("temp_adc_ch:%d\n", pdata->temp_adc_ch);
+	PDATA_LOG("temp_adc_scale:%d\n", pdata->temp_adc_scale);
+	PDATA_LOG("temp_adc_sample_cnt:%d\n", pdata->temp_adc_sample_cnt);
+	PDATA_LOG("temp_table_mode:%d\n", pdata->temp_table_mode);
+	PDATA_LOG("temp_comp_res:%d\n", pdata->temp_comp_res);
+	PDATA_LOG("temp_tab_size:%d\n", pdata->temp_tab_size);
+	PDATA_LOG("gpio_vchg_detect:%d\n", pdata->gpio_vchg_detect);
+	PDATA_LOG("gpio_cv_state:%d\n", pdata->gpio_cv_state);
+	PDATA_LOG("gpio_vchg_ovi:%d\n", pdata->gpio_vchg_ovi);
+	PDATA_LOG("irq_chg_timer:%d\n", pdata->irq_chg_timer);
+	PDATA_LOG("irq_fgu:%d\n", pdata->irq_fgu);
+	PDATA_LOG("chg_reg_base:%d\n", pdata->chg_reg_base);
+	PDATA_LOG("fgu_reg_base:%d\n", pdata->fgu_reg_base);
+	PDATA_LOG("fgu_mode:%d\n", pdata->fgu_mode);
+	PDATA_LOG("alm_soc:%d\n", pdata->alm_soc);
+	PDATA_LOG("alm_vol:%d\n", pdata->alm_vol);
+	PDATA_LOG("soft_vbat_uvlo:%d\n", pdata->soft_vbat_uvlo);
+	PDATA_LOG("soft_vbat_ovp:%d\n", pdata->soft_vbat_ovp);
+	PDATA_LOG("rint:%d\n", pdata->rint);
+	PDATA_LOG("cnom:%d\n", pdata->cnom);
+	PDATA_LOG("rsense_real:%d\n", pdata->rsense_real);
+	PDATA_LOG("rsense_spec:%d\n", pdata->rsense_spec);
+	PDATA_LOG("relax_current:%d\n", pdata->relax_current);
+	PDATA_LOG("fgu_cal_ajust:%d\n", pdata->fgu_cal_ajust);
+	PDATA_LOG("qmax_update_period:%d\n", pdata->qmax_update_period);
+	PDATA_LOG("ocv_tab_size:%d\n", pdata->ocv_tab_size);
+	for (i = 0; i < pdata->ocv_tab_size; i++) {
+		PDATA_LOG("ocv_tab i=%d x:%d,y:%d\n", i, pdata->ocv_tab[i].x,
+			  pdata->ocv_tab[i].y);
+	}
+	for (i = 0; i < pdata->temp_tab_size; i++) {
+		PDATA_LOG("temp_tab_size i=%d x:%d,y:%d\n", i,
+			  pdata->temp_tab[i].x, pdata->temp_tab[i].y);
+	}
+
+	for (i = 0; i < pdata->cnom_temp_tab_size; i++) {
+		PDATA_LOG("cnom_temp_tab i=%d x:%d,y:%d\n", i, pdata->cnom_temp_tab[i].x,
+			  pdata->cnom_temp_tab[i].y);
+	}
+	for (i = 0; i < pdata->rint_temp_tab_size; i++) {
+		PDATA_LOG("rint_temp_tab i=%d x:%d,y:%d\n", i, pdata->rint_temp_tab[i].x,
+			  pdata->rint_temp_tab[i].y);
+	}
+}
+
+#ifdef CONFIG_OF
+static struct sprd_battery_platform_data *sprdbat_parse_dt(struct
+							   platform_device
+							   *pdev)
+{
+	struct sprd_battery_platform_data *pdata = NULL;
+	struct device_node *np = pdev->dev.of_node;
+	struct device_node *temp_np = NULL;
+	unsigned int irq_num;
+	int ret, i, temp,len;
+
+	pdata = devm_kzalloc(&pdev->dev,
+			     sizeof(struct sprd_battery_platform_data),
+			     GFP_KERNEL);
+	if (!pdata) {
+		return NULL;
+	}
+
+	pdata->gpio_vchg_detect = (uint32_t) of_get_named_gpio(np, "gpios", 0);
+	pdata->gpio_cv_state = (uint32_t) of_get_named_gpio(np, "gpios", 1);
+	pdata->gpio_vchg_ovi = (uint32_t) of_get_named_gpio(np, "gpios", 2);
+
+	temp = (uint32_t) of_get_named_gpio(np, "gpios", 3);
+	if (gpio_is_valid(temp)) {
+		pdata->gpio_vbat_detect = (uint32_t) temp;
+		printk("sprdbat:gpio_vbat_detect support =%d\n",
+		       pdata->gpio_vbat_detect);
+	} else {
+		pdata->gpio_vbat_detect = 0;
+		printk("sprdbat:gpio_vbat_detect do Not support =%d\n",
+		       pdata->gpio_vbat_detect);
+	}
+
+	temp_np = of_get_child_by_name(np, "sprd_chg");
+	if (!temp_np) {
+		goto err_parse_dt;
+	}
+	irq_num = irq_of_parse_and_map(temp_np, 0);
+	pdata->irq_chg_timer = irq_num;
+	printk("sprd_chg dts irq_num =%s, %d\n", temp_np->name, irq_num);
+
+	temp_np = of_get_child_by_name(np, "sprd_fgu");
+	if (!temp_np) {
+		goto err_parse_dt;
+	}
+	irq_num = irq_of_parse_and_map(temp_np, 0);
+	pdata->irq_fgu = irq_num;
+	printk("sprd_fgu dts irq_num = %d\n", irq_num);
+
+	ret = of_property_read_u32(np, "chg-end-vol-h", &pdata->chg_end_vol_h);
+	ret = of_property_read_u32(np, "chg-end-vol-l", &pdata->chg_end_vol_l);
+	ret = of_property_read_u32(np, "chg-false-full-vol", &pdata->chg_false_full_vol);
+	ret =
+	    of_property_read_u32(np, "chg-end-vol-pure",
+				 &pdata->chg_end_vol_pure);
+	ret =
+	    of_property_read_u32(np, "chg-bat-safety-vol",
+				 &pdata->chg_bat_safety_vol);
+	ret = of_property_read_u32(np, "rechg-vol", &pdata->rechg_vol);
+	ret = of_property_read_u32(np, "adp-cdp-cur", &pdata->adp_cdp_cur);
+	ret = of_property_read_u32(np, "adp-dcp-cur", &pdata->adp_dcp_cur);
+	ret = of_property_read_u32(np, "adp-sdp-cur", &pdata->adp_sdp_cur);
+	ret = of_property_read_u32(np, "ovp-stop", &pdata->ovp_stop);
+	ret = of_property_read_u32(np, "ovp-restart", &pdata->ovp_restart);
+	ret = of_property_read_u32(np, "chg-timeout", &pdata->chg_timeout);
+	ret =
+	    of_property_read_u32(np, "chgtimeout-show-full",
+				 &pdata->chgtimeout_show_full);
+	ret =
+	    of_property_read_u32(np, "chg-rechg-timeout",
+				 &pdata->chg_rechg_timeout);
+	ret =
+	    of_property_read_u32(np, "chg-cv-timeout", &pdata->chg_cv_timeout);
+	ret = of_property_read_u32(np, "chg-eoc-level", &pdata->chg_eoc_level);
+	ret = of_property_read_u32(np, "cccv-default", &pdata->cccv_default);
+	ret =
+	    of_property_read_u32(np, "chg-end-cur",
+				 (u32 *) (&pdata->chg_end_cur));
+	ret = of_property_read_u32(np, "otp-high-stop", (u32 *) (&temp));
+	pdata->otp_high_stop = temp - 1000;
+	ret = of_property_read_u32(np, "otp-high-restart", (u32 *) (&temp));
+	pdata->otp_high_restart = temp - 1000;
+	ret = of_property_read_u32(np, "otp-low-stop", (u32 *) (&temp));
+	pdata->otp_low_stop = temp - 1000;
+	ret = of_property_read_u32(np, "otp-low-restart", (u32 *) (&temp));
+	pdata->otp_low_restart = temp - 1000;
+	ret =
+	    of_property_read_u32(np, "chg-polling-time",
+				 &pdata->chg_polling_time);
+	ret =
+	    of_property_read_u32(np, "chg-polling-time-fast",
+				 &pdata->chg_polling_time_fast);
+	ret =
+	    of_property_read_u32(np, "bat-polling-time",
+				 &pdata->bat_polling_time);
+	ret =
+	    of_property_read_u32(np, "bat-polling-time-fast",
+				 &pdata->bat_polling_time_fast);
+	ret =
+	    of_property_read_u32(np, "cap-one-per-time",
+				 &pdata->cap_one_per_time);
+	ret =
+	    of_property_read_u32(np, "cap-valid-range-poweron",
+				 (u32 *) (&pdata->cap_valid_range_poweron));
+	ret =
+	    of_property_read_u32(np, "temp-support",
+				 (u32 *) (&pdata->temp_support));
+	ret =
+	    of_property_read_u32(np, "temp-adc-ch",
+				 (u32 *) (&pdata->temp_adc_ch));
+	ret =
+	    of_property_read_u32(np, "temp-adc-scale",
+				 (u32 *) (&pdata->temp_adc_scale));
+	ret =
+	    of_property_read_u32(np, "temp-adc-sample-cnt",
+				 (u32 *) (&pdata->temp_adc_sample_cnt));
+	ret =
+	    of_property_read_u32(np, "temp-table-mode",
+				 (u32 *) (&pdata->temp_table_mode));
+	ret =
+	    of_property_read_u32(np, "temp-comp-res",
+				 (u32 *) (&pdata->temp_comp_res));
+
+	ret = of_property_read_u32(np, "fgu-mode", &pdata->fgu_mode);
+	ret = of_property_read_u32(np, "alm-soc", &pdata->alm_soc);
+	ret = of_property_read_u32(np, "alm-vol", &pdata->alm_vol);
+	ret =
+	    of_property_read_u32(np, "soft-vbat-uvlo", &pdata->soft_vbat_uvlo);
+	ret = of_property_read_u32(np, "rint", (u32 *) (&pdata->rint));
+	ret = of_property_read_u32(np, "cnom", (u32 *) (&pdata->cnom));
+	ret =
+	    of_property_read_u32(np, "rsense-real",
+				 (u32 *) (&pdata->rsense_real));
+	ret =
+	    of_property_read_u32(np, "rsense-spec",
+				 (u32 *) (&pdata->rsense_spec));
+	ret = of_property_read_u32(np, "relax-current", &pdata->relax_current);
+	ret =
+	    of_property_read_u32(np, "fgu-cal-ajust",
+				 (u32 *) (&pdata->fgu_cal_ajust));
+	ret =
+	    of_property_read_u32(np, "ocv-tab-size",
+				 (u32 *) (&pdata->ocv_tab_size));
+	ret =
+	    of_property_read_u32(np, "temp-tab-size",
+				 (u32 *) (&pdata->temp_tab_size));
+
+	pdata->temp_tab = kzalloc(sizeof(struct sprdbat_table_data) *
+				  pdata->temp_tab_size, GFP_KERNEL);
+
+	for (i = 0; i < pdata->temp_tab_size; i++) {
+		ret = of_property_read_u32_index(np, "temp-tab-val", i,
+						 &pdata->temp_tab[i].x);
+		ret = of_property_read_u32_index(np, "temp-tab-temp", i, &temp);
+		pdata->temp_tab[i].y = temp - 1000;
+	}
+
+	pdata->ocv_tab = kzalloc(sizeof(struct sprdbat_table_data) *
+				 pdata->ocv_tab_size, GFP_KERNEL);
+	for (i = 0; i < pdata->ocv_tab_size; i++) {
+		ret = of_property_read_u32_index(np, "ocv-tab-vol", i,
+						 (u32 *) (&pdata->ocv_tab[i].
+							  x));
+		ret =
+		    of_property_read_u32_index(np, "ocv-tab-cap", i,
+					       (u32 *) (&pdata->ocv_tab[i].y));
+	}
+
+	of_get_property(np, "cnom-temp-tab", &len);
+	len /= sizeof(u32);
+	pdata->cnom_temp_tab_size = len >> 1;
+	pdata->cnom_temp_tab = kzalloc(sizeof(struct sprdbat_table_data) *
+			 pdata->cnom_temp_tab_size, GFP_KERNEL);
+	for (i = 0; i < len; i++) {
+		of_property_read_u32_index(np, "cnom-temp-tab", i, &temp);
+		if(i&0x1) {
+				pdata->cnom_temp_tab[i >> 1].y = temp;
+		} else {
+				pdata->cnom_temp_tab[i >> 1].x = temp - 1000;
+		}
+	}
+
+	of_get_property(np, "rint-temp-tab", &len);
+	len /= sizeof(u32);
+	pdata->rint_temp_tab_size = len >> 1;
+	pdata->rint_temp_tab = kzalloc(sizeof(struct sprdbat_table_data) *
+			 pdata->rint_temp_tab_size, GFP_KERNEL);
+	for (i = 0; i < len; i++) {
+		of_property_read_u32_index(np, "rint-temp-tab", i, &temp);
+		if(i&0x1) {
+			pdata->rint_temp_tab[i >> 1].y = temp;
+		} else {
+			pdata->rint_temp_tab[i >> 1].x = temp - 1000;
+		}
+	}
+
+	return pdata;
+
+err_parse_dt:
+	dev_err(&pdev->dev, "Parsing device tree data error.\n");
+	return NULL;
+}
+#else
+static struct sprd_battery_platform_data *sprdbat_parse_dt(struct
+							   platform_device
+							   *pdev)
+{
+	return NULL;
+}
+#endif
+int __weak usb_register_hotplug_callback(struct usb_hotplug_callback *p){}
+
+static int sprdbat_probe(struct platform_device *pdev)
+{
+	int ret = -ENODEV;
+	struct sprdbat_drivier_data *data;
+#ifdef SPRDBAT_TWO_CHARGE_CHANNEL
+	struct resource *res = NULL;
+#endif
+	struct device_node *np = pdev->dev.of_node;
+
+	SPRDBAT_DEBUG("sprdbat_probe\n");
+
+#ifdef CONFIG_OF
+	if (!np) {
+		dev_err(&pdev->dev, "device node not found\n");
+		return -EINVAL;
+	}
+#endif
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (data == NULL) {
+		ret = -ENOMEM;
+		goto err_data_alloc_failed;
+	}
+
+	if (np) {
+		data->pdata = sprdbat_parse_dt(pdev);
+	} else {
+		data->pdata = dev_get_platdata(&pdev->dev);
+	}
+
+	data->dev = &pdev->dev;
+	platform_set_drvdata(pdev, data);
+	sprdbat_data = data;
+
+	print_pdata(sprdbat_data->pdata);
+
+	data->battery.properties = sprdbat_battery_props;
+	data->battery.num_properties = ARRAY_SIZE(sprdbat_battery_props);
+	data->battery.get_property = sprdbat_battery_get_property;
+	data->battery.name = "battery";
+	data->battery.type = POWER_SUPPLY_TYPE_BATTERY;
+	data->battery.supplied_to = battery_supply_list;
+	data->battery.num_supplicants = ARRAY_SIZE(battery_supply_list);
+
+	data->ac.properties = sprdbat_ac_props;
+	data->ac.num_properties = ARRAY_SIZE(sprdbat_ac_props);
+	data->ac.get_property = sprdbat_ac_get_property;
+	data->ac.name = "ac";
+	data->ac.type = POWER_SUPPLY_TYPE_MAINS;
+	data->ac.supplied_to = supply_list;
+	data->ac.num_supplicants = ARRAY_SIZE(supply_list);
+
+	data->usb.properties = sprdbat_usb_props;
+	data->usb.num_properties = ARRAY_SIZE(sprdbat_usb_props);
+	data->usb.get_property = sprdbat_usb_get_property;
+	data->usb.name = "usb";
+	data->usb.type = POWER_SUPPLY_TYPE_USB;
+	data->usb.supplied_to = supply_list;
+	data->usb.num_supplicants = ARRAY_SIZE(supply_list);
+
+	data->start_charge = sprdbat_start_charge;
+	data->stop_charge = sprdbat_stop_charge;
+
+	ret = power_supply_register(&pdev->dev, &data->usb);
+	if (ret)
+		goto err_usb_failed;
+
+	ret = power_supply_register(&pdev->dev, &data->ac);
+	if (ret)
+		goto err_ac_failed;
+
+	ret = power_supply_register(&pdev->dev, &data->battery);
+	if (ret)
+		goto err_battery_failed;
+
+	sprdbat_creat_caliberate_attr(data->battery.dev);
+
+	data->gpio_chg_cv_state = data->pdata->gpio_cv_state;
+	ret = gpio_request(data->gpio_chg_cv_state, "chg_cv_state");
+	if (ret) {
+		dev_err(&pdev->dev, "failed to request gpio: %d\n", ret);
+		goto err_io_cv_request;
+	}
+	gpio_direction_input(data->gpio_chg_cv_state);
+	data->irq_chg_cv_state = gpio_to_irq(data->gpio_chg_cv_state);
+
+	irq_set_status_flags(data->irq_chg_cv_state, IRQ_NOAUTOEN);
+	//irq_set_irq_type(data->irq_chg_cv_state, IRQ_TYPE_LEVEL_HIGH);
+	ret = request_irq(data->irq_chg_cv_state, sprdbat_chg_cv_irq,
+			  IRQF_NO_SUSPEND, "sprdbat_chg_cv_state", data);
+	if (ret)
+		goto err_request_irq_cv_failed;
+
+	data->gpio_vchg_ovi = data->pdata->gpio_vchg_ovi;
+	ret = gpio_request(data->gpio_vchg_ovi, "vchg_ovi");
+	if (ret) {
+		dev_err(&pdev->dev, "failed to request gpio: %d\n", ret);
+		goto err_io_ovi_request;
+	}
+	gpio_direction_input(data->gpio_vchg_ovi);
+	data->irq_vchg_ovi = gpio_to_irq(data->gpio_vchg_ovi);
+
+	irq_set_status_flags(data->irq_vchg_ovi, IRQ_NOAUTOEN);
+	ret = request_irq(data->irq_vchg_ovi, sprdbat_vchg_ovi_irq,
+			  IRQF_NO_SUSPEND, "sprdbat_vchg_ovi", data);
+	if (ret)
+		goto err_request_irq_ovi_failed;
+
+	data->gpio_vbat_detect = data->pdata->gpio_vbat_detect;
+	if (data->gpio_vbat_detect > 0) {
+		gpio_request(data->gpio_vbat_detect, "vbat_detect");
+		gpio_direction_input(data->gpio_vbat_detect);
+		data->irq_vbat_detect = gpio_to_irq(data->gpio_vbat_detect);
+
+		//set_irq_flags(data->irq_vbat_detect,
+		//	      IRQF_VALID | IRQF_NOAUTOEN);
+		irq_set_status_flags(data->irq_vbat_detect, IRQ_NOAUTOEN);
+		ret =
+		    request_irq(data->irq_vbat_detect, sprdbat_vbat_detect_irq,
+				IRQ_TYPE_LEVEL_LOW | IRQF_NO_SUSPEND,
+				"sprdbat_vbat_detect", data);
+		if (ret)
+			dev_err(&pdev->dev, "failed to use vbat gpio: %d\n",
+				ret);
+	}
+
+	mutex_init(&data->lock);
+
+	wake_lock_init(&(data->charger_plug_out_lock), WAKE_LOCK_SUSPEND,
+		       "charger_plug_out_lock");
+
+	INIT_DELAYED_WORK(&data->cv_irq_work, sprdbat_cv_irq_works);
+	INIT_DELAYED_WORK(&data->battery_work, sprdbat_battery_works);
+	INIT_DELAYED_WORK(&data->battery_sleep_work,
+			  sprdbat_battery_sleep_works);
+	INIT_WORK(&data->ovi_irq_work, sprdbat_ovi_irq_works);
+	INIT_WORK(&data->vbat_detect_irq_work, sprdbat_vbat_detect_irq_works);
+
+	INIT_DELAYED_WORK(&sprdbat_charge_work, sprdbat_charge_works);
+	data->charge_work = &sprdbat_charge_work;
+	data->monitor_wqueue = create_singlethread_workqueue("sprdbat_monitor");
+	sprdchg_timer_init(sprdbat_timer_handler, data);
+
+	sprdchg_set_chg_ovp(data->pdata->ovp_stop);
+
+	sprdchg_init(data->pdata);
+	sprdfgu_init(data->pdata);
+
+#ifdef CONFIG_LEDS_TRIGGERS
+	data->charging_led.name = "sprdbat_charging_led";
+	data->charging_led.default_trigger = "battery-charging";
+	data->charging_led.brightness_set = sprdchg_led_brightness_set;
+	led_classdev_register(&pdev->dev, &data->charging_led);
+#endif
+
+#ifdef SPRDBAT_TWO_CHARGE_CHANNEL
+	sprdchg_charge_init_ext(pdev);
+	INIT_DELAYED_WORK(&sprdbat_charge_work_ext, sprdbat_charge_works_ext);
+
+#ifndef CONFIG_OF
+	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+	data->gpio_charger_detect = res->start;
+#else
+	data->gpio_charger_detect = of_get_named_gpio(np, "gpios", 0);
+#endif
+	gpio_request(data->gpio_charger_detect, "sprd_charger_detect");
+	gpio_direction_input(data->gpio_charger_detect);
+	data->irq_charger_detect = gpio_to_irq(data->gpio_charger_detect);
+
+	ret = request_irq(data->irq_charger_detect, sprdbat_chg_detect_int,
+			  IRQF_SHARED | IRQF_TRIGGER_HIGH,
+			  "sprdbat_charger_detect", data);
+	INIT_WORK(&sprdbat_chg_detect_work, sprdbat_chg_detect_works);
+#endif
+	sprdbat_info_init(data);
+
+	if (data->gpio_vbat_detect > 0) {
+		enable_irq(sprdbat_data->irq_vbat_detect);
+	}
+
+	sprdbat_notifier.notifier_call = sprdbat_fgu_event;
+	sprdfgu_register_notifier(&sprdbat_notifier);
+	usb_register_hotplug_callback(&power_cb);
+
+	schedule_delayed_work(&data->battery_work,
+			      sprdbat_data->pdata->bat_polling_time * HZ);
+#ifdef CHG_CUR_ADJUST
+#if 0
+	thermal_cooling_device_register("charge", 0,
+						&chg_cooling_ops);
+#endif
+#endif
+	SPRDBAT_DEBUG("sprdbat_probe----------end\n");
+	return 0;
+
+err_request_irq_ovi_failed:
+	gpio_free(data->gpio_vchg_ovi);
+err_io_ovi_request:
+	free_irq(data->irq_chg_cv_state, data);
+err_request_irq_cv_failed:
+	gpio_free(data->gpio_chg_cv_state);
+err_io_cv_request:
+	power_supply_unregister(&data->battery);
+err_battery_failed:
+	power_supply_unregister(&data->ac);
+err_ac_failed:
+	power_supply_unregister(&data->usb);
+err_usb_failed:
+	kfree(data);
+err_data_alloc_failed:
+	sprdbat_data = NULL;
+	return ret;
+
+}
+
+static int sprdbat_remove(struct platform_device *pdev)
+{
+	struct sprdbat_drivier_data *data = platform_get_drvdata(pdev);
+
+	sprdbat_remove_caliberate_attr(data->battery.dev);
+	power_supply_unregister(&data->battery);
+	power_supply_unregister(&data->ac);
+	power_supply_unregister(&data->usb);
+
+	free_irq(data->irq_vchg_ovi, data);
+	free_irq(data->irq_chg_cv_state, data);
+	gpio_free(data->gpio_vchg_ovi);
+	gpio_free(data->gpio_chg_cv_state);
+	kfree(data);
+	sprdbat_data = NULL;
+	return 0;
+}
+
+static int sprdbat_resume(struct platform_device *pdev)
+{
+	schedule_delayed_work(&sprdbat_data->battery_sleep_work, 0);
+	sprdfgu_pm_op(0);
+	return 0;
+}
+
+static int sprdbat_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	sprdfgu_pm_op(1);
+	return 0;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id battery_of_match[] = {
+	{.compatible = "sprd,sprd-battery",},
+	{}
+};
+#endif
+
+static struct platform_driver sprdbat_driver = {
+	.probe = sprdbat_probe,
+	.remove = sprdbat_remove,
+	.suspend = sprdbat_suspend,
+	.resume = sprdbat_resume,
+	.driver = {
+		   .name = "sprd-battery",
+#ifdef CONFIG_OF
+		   .of_match_table = of_match_ptr(battery_of_match),
+#endif
+		   }
+};
+
+static int __init sprd_battery_init(void)
+{
+	return platform_driver_register(&sprdbat_driver);
+}
+
+static void __exit sprd_battery_exit(void)
+{
+	platform_driver_unregister(&sprdbat_driver);
+}
+
+module_init(sprd_battery_init);
+module_exit(sprd_battery_exit);
+
+MODULE_AUTHOR("Mingwei.Zhang@spreadtrum.com");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Battery and charger driver for SC2713");