* This package is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
- *
- */
+ * */
+
#include <linux/module.h>
#include <linux/param.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <asm/unaligned.h>
+#include <linux/gpio.h>
#include <linux/proc_fs.h>
#include <asm/uaccess.h>
+#include <linux/power/rk818_battery.h>
#include <linux/mfd/rk818.h>
-//#include <linux/power/rk818_battery.h>
#include <linux/time.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/interrupt.h>
+#include <linux/rtc.h>
+#include <linux/wakelock.h>
+
+
+
+/* if you want to disable, don't set it as 0, just be: "static int dbg_enable;" is ok*/
+static int dbg_enable;
+#define RK818_SYS_DBG 1
-static int dbg_enable =0;
module_param_named(dbg_level, dbg_enable, int, 0644);
-#define DBG( args...) \
+#define DBG(args...) \
do { \
if (dbg_enable) { \
pr_info(args); \
} \
} while (0)
-#define VB_MOD_REG 0x21
-#define CHRG_COMP_REG1 0x99
-#define CHRG_COMP_REG2 0x9A
-#define SUP_STS_REG 0xA0
-#define USB_CTRL_REG 0xA1
-#define CHRG_CTRL_REG1 0xA3
-#define CHRG_CTRL_REG2 0xA4
-#define CHRG_CTRL_REG3 0xA5
-#define BAT_CTRL_REG 0xA6
-#define BAT_HTS_TS1_REG 0xA8
-#define BAT_LTS_TS1_REG 0xA9
-#define BAT_HTS_TS2_REG 0xAA
-#define BAT_LTS_TS2_REG 0xAB
-
-
-#define TS_CTRL_REG 0xAC
-#define ADC_CTRL_REG 0xAD
-
-#define ON_SOURCE 0xAE
-#define OFF_SOURCE 0xAF
-
-#define GGCON 0xB0
-#define GGSTS 0xB1
-#define FRAME_SMP_INTERV_REG 0xB2
-#define AUTO_SLP_CUR_THR_REG 0xB3
-
-#define GASCNT_CAL_REG3 0xB4
-#define GASCNT_CAL_REG2 0xB5
-#define GASCNT_CAL_REG1 0xB6
-#define GASCNT_CAL_REG0 0xB7
-#define GASCNT3 0xB8
-#define GASCNT2 0xB9
-#define GASCNT1 0xBA
-#define GASCNT0 0xBB
-
-#define BAT_CUR_AVG_REGH 0xBC
-#define BAT_CUR_AVG_REGL 0xBD
-
-
-#define TS1_ADC_REGH 0xBE
-#define TS1_ADC_REGL 0xBF
-#define TS2_ADC_REGH 0xC0
-#define TS2_ADC_REGL 0xC1
-
-#define BAT_OCV_REGH 0xC2
-#define BAT_OCV_REGL 0xC3
-#define BAT_VOL_REGH 0xC4
-#define BAT_VOL_REGL 0xC5
-
-#define RELAX_ENTRY_THRES_REGH 0xC6
-#define RELAX_ENTRY_THRES_REGL 0xC7
-#define RELAX_EXIT_THRES_REGH 0xC8
-#define RELAX_EXIT_THRES_REGL 0xC9
-
-#define RELAX_VOL1_REGH 0xCA
-#define RELAX_VOL1_REGL 0xCB
-#define RELAX_VOL2_REGH 0xCC
-#define RELAX_VOL2_REGL 0xCD
-
-#define BAT_CUR_R_CALC_REGH 0xCE
-#define BAT_CUR_R_CALC_REGL 0xCF
-#define BAT_VOL_R_CALC_REGH 0xD0
-#define BAT_VOL_R_CALC_REGL 0xD1
-
-#define CAL_OFFSET_REGH 0xD2
-#define CAL_OFFSET_REGL 0xD3
-
-#define NON_ACT_TIMER_CNT_REGL 0xD4
-
-#define VCALIB0_REGH 0xD5
-#define VCALIB0_REGL 0xD6
-#define VCALIB1_REGH 0xD7
-#define VCALIB1_REGL 0xD8
-
-#define IOFFSET_REGH 0xDD
-#define IOFFSET_REGL 0xDE
-
-
-/*0xE0 ~0xF2 data register,*/
-#define SOC_REG 0xE0
-
-#define REMAIN_CAP_REG3 0xE1
-#define REMAIN_CAP_REG2 0xE2
-#define REMAIN_CAP_REG1 0xE3
-#define REMAIN_CAP_REG0 0xE4
-
-
-
-#define FCC_REGL 0xE1
-#define FCC_REGH 0xE2
-
-#define GG_EN 1<<7 // gasgauge module enable bit 0: disable 1:enabsle TS_CTRL_REG 0xAC
-//ADC_CTRL_REG
-#define ADC_VOL_EN 1<<7 //if GG_EN = 0 , then the ADC of BAT voltage controlled by the bit 0:diabsle 1:enable
-#define ADC_CUR_EN 1<<6 //if GG_EN = 0, then the ADC of BAT current controlled by the bit 0: disable 1: enable
-#define ADC_TS1_EN 1<<5 //the ADC of TS1 controlled by the bit 0:disabsle 1:enable
-#define ADC_TS2_EN 1<<4 //the ADC of TS2 controlled by the bit 0:disabsle 1:enable
-#define ADC_PHASE 1<<3 //ADC colock phase 0:normal 1:inverted
-#define ADC_CLK_SEL 7
-/*******************************************************************
-#define ADC_CLK_SEL_2M 0x000
-#define ADC_CLK_SEL_1M 0x001
-#define ADC_CLK_SEL_500K 0x002
-#define ADC_CLK_SEL_250K 0x003
-#define ADC_CLK_SEL_125K 0x004
-**********************************************************************/
-//GGCON
-#define CUR_SAMPL_CON_TIMES 3<<6 // ADC bat current continue sample times 00:8 01:16 10:32 11:64
-#define ADC_OFF_CAL_INTERV 3<<4 //ADC offset calibreation interval time 00:8min 01:16min 10:32min 11:48min
-#define OCV_SAMPL_INTERV 3<<2 //OCV sampling interval time 00:8min 01:16min 10:32min :11:48min
-
-//????????
-#define ADC_CUR_VOL_MODE 1<<1 //ADC working in current voltage collection mode
-#define ADC_RES_MODE 1 //ADC working in resistor calculation mode 0:disable 1:enable
-
-//GGSTS
-#define RES_CUR_AVG_SEL 3<<5 //average current filter times 00:1/2 01:1/4 10:1/8 11:1/16
-#define BAT_CON 1<<4 //battery first connection,edge trigger 0:NOT 1:YES
-#define RELAX_VOL1_UPD 1<<3 //battery voltage1 update in relax status 0: NOT 1:YE
-#define RELAX_VOL2_UPD 1<<2 //battery voltage2 update in relax status 0: NOT 1:YE
-#define RELAX_STS 1<<1 //battery coming into relax status 0: NOT 1:YE
-#define IV_AVG_UPD_STS 1<<0 //battery average voltage and current updated status 0: NOT 1:YES
-
-//FRAME_SMP_INTERV_REG
-#define AUTO_SLP_EN 1<<5 // auto sleep mode 0:disable 1:enable
-#define FRAME_SMP_INTERV_TIME 0x1F //
-
-#define PLUG_IN_STS 1<<6
-
-//SUP_STS_REG
-#define BAT_EXS (1<<7)
-#define CHARGE_OFF (0x00<<4)
-#define DEAD_CHARGE (0x01<<4)
-#define TRICKLE_CHARGE (0x02<<4)
-#define CC_OR_CV (0x03<<4)
-#define CHARGE_FINISH (0x04<<4)
-#define USB_OVER_VOL (0x05<<4)
-#define BAT_TMP_ERR (0x06<<4)
-#define TIMER_ERR (0x07<<4)
-#define USB_EXIST (1<<1)// usb is exists
-#define USB_EFF (1<<0)// usb is effective
-
-//USB_CTRL_REG
-#define CHRG_CT_EN (1<<7)
-// USB_VLIM_SEL
-#define VLIM_4000MV (0x00<<4)
-#define VLIM_4100MV (0x01<<4)
-#define VLIM_4200MV (0x02<<4)
-#define VLIM_4300MV (0x03<<4)
-#define VLIM_4400MV (0x04<<4)
-#define VLIM_4500MV (0x05<<4)
-#define VLIM_4600MV (0x06<<4)
-#define VLIM_4700MV (0x07<<4)
-//USB_ILIM_SEL
-#define ILIM_45MA (0x00)
-#define ILIM_300MA (0x01)
-#define ILIM_80MA (0x02)
-#define ILIM_820MA (0x03)
-#define ILIM_1000MA (0x04)
-#define ILIM_1200MA (0x05)
-#define ILIM_1400MA (0x06)
-#define ILIM_1600MA (0x07)
-#define ILIM_1800MA (0x08)
-#define ILIM_2000MA (0x09)
-#define ILIM_2200MA (0x0A)
-#define ILIM_2400MA (0x0B)
-#define ILIM_2600MA (0x0C)
-#define ILIM_2800MA (0x0D)
-#define ILIM_3000MA (0x0E)
-
-//CHRG_CTRL_REG
-#define CHRG_EN (0x01<<7)
-// CHRG_VOL_SEL
-
-#define CHRG_VOL4050 (0x00<<4)
-#define CHRG_VOL4100 (0x01<<4)
-#define CHRG_VOL4150 (0x02<<4)
-#define CHRG_VOL4200 (0x03<<4)
-#define CHRG_VOL4300 (0x04<<4)
-#define CHRG_VOL4350 (0x05<<4)
-
-//CHRG_CUR_SEL
-#define CHRG_CUR1000mA (0x00)
-#define CHRG_CUR1200mA (0x01)
-#define CHRG_CUR1400mA (0x02)
-#define CHRG_CUR1600mA (0x03)
-#define CHRG_CUR1800mA (0x04)
-#define CHRG_CUR2000mA (0x05)
-#define CHRG_CUR2200mA (0x06)
-#define CHRG_CUR2400mA (0x07)
-#define CHRG_CUR2600mA (0x08)
-#define CHRG_CUR2800mA (0x09)
-#define CHRG_CUR3000mA (0x0A)
-
-
-#define DRIVER_VERSION "1.0.0"
-#define ROLEX_SPEED 100 * 1000
-
-#define CHARGING 0x01
-#define DISCHARGING 0x00
-
-#define TIMER_MS_COUNTS 1000
-#define MAX_CHAR 0x7F
-#define MAX_UNSIGNED_CHAR 0xFF
-#define MAX_INT 0x7FFFFFFF
-#define MAX_UNSIGNED_INT 0xFFFF
-#define MAX_INT8 0x7F
-#define MAX_UINT8 0xFF
-
-/* Voltage and Current buffers */
-#define AV_SIZE 5
-
-static int16_t av_v[AV_SIZE];
-static int16_t av_c[AV_SIZE];
-
-static uint16_t av_v_index;
-static uint16_t av_c_index;
-
-#define INTERPOLATE_MAX 1000
-//#define OCV_TABLE_SIZE
-
-struct battery_info{
+#define DEFAULT_BAT_RES 135
+#define DEFAULT_VLMT 4200
+#define DEFAULT_ILMT 2000
+#define DEFAULT_ICUR 1600
+
+#define DSOC_DISCHRG_FAST_DEC_SEC 120 /*seconds*/
+#define DSOC_DISCHRG_FAST_EER_RANGE 25
+#define DSOC_CHRG_FAST_CALIB_CURR_MAX 400 /*mA*/
+#define DSOC_CHRG_FAST_INC_SEC 120 /*seconds*/
+#define DSOC_CHRG_FAST_EER_RANGE 25
+#define DSOC_CHRG_EMU_CURR 1000
+#define DSOC_CHG_TERM_CURR 500
+
+/*realtime RSOC calib param*/
+#define RSOC_DISCHG_ERR_LOWER 40
+#define RSOC_DISCHG_ERR_UPPER 50
+#define RSOC_ERR_CHCK_CNT 15
+#define RSOC_COMPS 20 /*compensation*/
+#define RSOC_CALIB_CURR_MAX 900 /*mA*/
+#define RSOC_CALIB_DISCHGR_TIME 3 /*min*/
+
+#define INTERPOLATE_MAX 1000
+#define MAX_INT 0x7FFF
+#define TIME_10MIN_SEC 600
+
+#define CHG_VOL_SHIFT 4
+#define CHG_ILIM_SHIFT 0
+#define CHG_ICUR_SHIFT 0
+
+int CHG_V_LMT[] = {4050, 4100, 4150, 4200, 4300, 4350};
+int CHG_I_CUR[] = {1000, 1200, 1400, 1600, 1800, 2000, 2250, 2400, 2600, 2800, 3000};
+int CHG_I_LMT[] = {450, 800, 850, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000};
+struct battery_info {
struct device *dev;
struct cell_state cell;
struct power_supply bat;
struct power_supply ac;
struct power_supply usb;
struct delayed_work work;
-// struct i2c_client *client;
+ /* struct i2c_client *client; */
+ struct rk818 *rk818;
- struct rk818 *rk818;
struct battery_platform_data *platform_data;
- struct notifier_block battery_nb;
- struct workqueue_struct *wq;
- struct delayed_work battery_monitor_work;
- struct delayed_work charge_check_work;
+ int work_on;
+ int irq;
int ac_online;
int usb_online;
- int health;
- int tempreture;
- int present;
int status;
-
- int bat_current;
int current_avg;
int current_offset;
- int voltage;
- int voltage_avg;
- int voltage_offset;
- int voltage_ocv;
+ uint16_t voltage;
+ uint16_t voltage_ocv;
+ uint16_t relax_voltage;
+ u8 charge_status;
+ u8 otg_status;
+ int pcb_ioffset;
+ bool pcb_ioffset_updated;
+ unsigned long queue_work_cnt;
+ u32 term_chg_cnt;
+ u32 emu_chg_cnt;
- int poweroff_voltage;
- int warnning_voltage;
- int poweron_voltage;
+ uint16_t warnning_voltage;
int design_capacity;
int fcc;
- int new_fcc;
- u32 qmax;
+ int qmax;
int remain_capacity;
- int warnning_capacity;
int nac;
int temp_nac;
int real_soc;
int display_soc;
+ int odd_capacity;
int temp_soc;
+ int est_ocv_vol;
+ int est_ocv_soc;
+ u8 err_chck_cnt;
+ int err_soc_sum;
+ int bat_res_update_cnt;
int soc_counter;
int dod0;
+ int dod0_status;
+ int dod0_voltage;
int dod0_capacity;
- int dod1;
- int dod1_capacity;
-
- int temperature;
+ unsigned long dod0_time;
+ u8 dod0_level;
+ int enter_flatzone;
+ int exit_flatzone;
int time2empty;
int time2full;
int *ocv_table;
- int ocv_size;
int *res_table;
- int current_k;//(ICALIB0,ICALIB1)
+ int current_k;/* (ICALIB0, ICALIB1) */
int current_b;
- int voltage_k;//VCALIB0 VCALIB1
+ int voltage_k;/* VCALIB0 VCALIB1 */
int voltage_b;
-
- int relax_entry_thres;
- int relax_exit_thres;
- int relax_vol1;
- int relax_vol2;
-
- u8 sleep_cur;
- u8 sleep_smp_time;
+ int update_k;
+ int line_k;
+ int voltage_old;
+
+ int q_dead;
+ int q_err;
+ int q_shtd;
+
u8 check_count;
-// u32 status;
- struct timeval soc_timer;
- struct timeval change_timer;
+ /* u32 status; */
+ struct timeval soc_timer;
+ struct timeval change_timer;
+
+ int vol_smooth_time;
+ int charge_smooth_time;
+
+ int suspend_capacity;
+ int resume_capacity;
+ struct timespec suspend_time;
+ struct timespec resume_time;
+ unsigned long suspend_time_start;
+ unsigned long count_sleep_time;
+
+ unsigned long dischrg_sum_sleep_sec;
+ unsigned long dischrg_sum_sleep_capacity;
+ int suspend_temp_soc;
+ int sleep_status;
+ int suspend_charge_current;
+ int resume_soc;
+ int bat_res;
+ bool bat_res_updated;
+ bool charge_smooth_status;
+ bool resume;
+ unsigned long last_plugin_time;
+ bool sys_wakeup;
+
+ unsigned long charging_time;
+ unsigned long discharging_time;
+ unsigned long finish_time;
+
+ u32 charge_min;
+ u32 discharge_min;
+ u32 finish_min;
+ struct notifier_block battery_nb;
+ struct workqueue_struct *wq;
+ struct delayed_work battery_monitor_work;
+ struct delayed_work charge_check_work;
+ int charge_otg;
- bool resume;
- int charge_otg;
+ struct wake_lock resume_wake_lock;
+
+ int debug_finish_real_soc;
+ int debug_finish_temp_soc;
+ int chrg_min[10];
+ int chg_v_lmt;
+ int chg_i_lmt;
+ int chg_i_cur;
};
- struct battery_info *data;
+struct battery_info *g_battery;
+u32 support_uboot_chrg;
+
+extern int dwc_vbus_status(void);
+extern int get_gadget_connect_flag(void);
+extern int dwc_otg_check_dpdm(void);
+extern void kernel_power_off(void);
+extern int rk818_set_bits(struct rk818 *rk818, u8 reg, u8 mask, u8 val);
+extern unsigned int irq_create_mapping(struct irq_domain *domain,
+ irq_hw_number_t hwirq);
+extern void rk_send_wakeup_key(void);
+static void update_battery_info(struct battery_info *di);
+
+#define SUPPORT_USB_CHARGE
-u32 interpolate(int value, u32 *table, int size)
+
+static u32 interpolate(int value, u32 *table, int size)
{
uint8_t i;
uint16_t d;
- for (i = 0; i < size; i++){
+ for (i = 0; i < size; i++) {
if (value < table[i])
break;
}
- if ((i > 0) && (i < size)) {
+ if ((i > 0) && (i < size)) {
d = (value - table[i-1]) * (INTERPOLATE_MAX/(size-1));
- d /= table[i] - table[i-1];
+ d /= table[i] - table[i-1];
d = d + (i-1) * (INTERPOLATE_MAX/(size-1));
} else {
d = i * ((INTERPOLATE_MAX+size/2)/size);
return d;
}
/* Returns (a * b) / c */
-int32_t ab_div_c(u32 a, u32 b, u32 c)
+static int32_t ab_div_c(u32 a, u32 b, u32 c)
{
bool sign;
u32 ans = MAX_INT;
return (x > 0) ? x : -x;
}
-/* Returns diviation between 'size' array members */
-uint16_t diff_array(int16_t *arr, uint8_t size)
+static int abs32_int(int x)
{
- uint8_t i;
- uint32_t diff = 0;
-
- for (i = 0; i < size-1; i++)
- diff += abs_int(arr[i] - arr[i+1]);
-
- if (diff > MAX_UNSIGNED_INT)
- diff = MAX_UNSIGNED_INT;
-
- return (uint16_t) diff;
+ return (x > 0) ? x : -x;
}
-static enum power_supply_property rk818_battery_props[] = {
-
- POWER_SUPPLY_PROP_STATUS,
- POWER_SUPPLY_PROP_CURRENT_NOW,
- POWER_SUPPLY_PROP_VOLTAGE_NOW,
- POWER_SUPPLY_PROP_PRESENT,
- POWER_SUPPLY_PROP_PRESENT,
- POWER_SUPPLY_PROP_CAPACITY,
-#if 0
- POWER_SUPPLY_PROP_STATUS,
- POWER_SUPPLY_PROP_PRESENT,
- POWER_SUPPLY_PROP_VOLTAGE_NOW,
- POWER_SUPPLY_PROP_CURRENT_NOW,
- POWER_SUPPLY_PROP_CAPACITY,
- POWER_SUPPLY_PROP_TEMP,
- POWER_SUPPLY_PROP_TECHNOLOGY,
- POWER_SUPPLY_PROP_HEALTH,
- //POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
- //POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
- //POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
-#endif
-
-};
-
-static enum power_supply_property rk818_battery_ac_props[] = {
- POWER_SUPPLY_PROP_ONLINE,
-};
-static enum power_supply_property rk818_battery_usb_props[] = {
- POWER_SUPPLY_PROP_ONLINE,
-};
-
-
static int battery_read(struct rk818 *rk818, u8 reg, u8 buf[], unsigned len)
{
int ret;
- ret = rk818_i2c_read(rk818, reg, len,buf);
- return ret;
+
+ ret = rk818_i2c_read(rk818, reg, len, buf);
+ return ret;
}
static int battery_write(struct rk818 *rk818, u8 reg, u8 const buf[], unsigned len)
{
- int ret;
- ret = rk818_i2c_write(rk818, reg,(int)len, *buf);
+ int ret;
+ ret = rk818_i2c_write(rk818, reg, (int)len, *buf);
return ret;
}
static void dump_gauge_register(struct battery_info *di)
{
- int i = 0;
- char buf;
- DBG("%s dump charger register start: \n",__FUNCTION__);
- for(i = 0xAC;i < 0xDE; i ++){
- battery_read(di ->rk818, i, &buf,1);
- DBG(" the register is 0x%02x, the value is 0x%02x\n ", i, buf);
- }
- DBG("demp end!\n");
-
+ int i = 0;
+ char buf;
+ DBG("%s dump charger register start: \n", __func__);
+ for (i = 0xAC; i < 0xDF; i++) {
+ battery_read(di->rk818, i, &buf, 1);
+ DBG(" the register is 0x%02x, the value is 0x%02x\n ", i, buf);
+ }
+ DBG("demp end!\n");
}
static void dump_charger_register(struct battery_info *di)
{
- int i = 0;
- char buf;
- DBG("%s dump the register start: \n",__FUNCTION__);
- for(i = 0x99;i < 0xAB; i ++){
- battery_read(di ->rk818, i, &buf,1);
- DBG(" the register is 0x%02x, the value is 0x%02x\n ", i, buf);
- }
- DBG("demp end!\n");
+ int i = 0;
+ char buf;
+ DBG("%s dump the register start: \n", __func__);
+ for (i = 0x99; i < 0xAB; i++) {
+ battery_read(di->rk818, i, &buf, 1);
+ DBG(" the register is 0x%02x, the value is 0x%02x\n ", i, buf);
+ }
+ DBG("demp end!\n");
}
-#if 0
-//POWER_SUPPLY_PROP_STATUS
-static int rk818_battery_status(struct battery_info *di)
-{
- return di->status;
-}
-//POWER_SUPPLY_PROP_PRESENT,
-static int rk818_battery_present(struct rk818_battery_info *di)
+
+#if RK818_SYS_DBG
+
+static uint16_t _get_OCV_voltage(struct battery_info *di);
+static int _voltage_to_capacity(struct battery_info *di, int voltage);
+static int _get_realtime_capacity(struct battery_info *di);
+static void power_on_save(struct battery_info *di, int voltage);
+static void _capacity_init(struct battery_info *di, u32 capacity);
+static void battery_poweron_status_init(struct battery_info *di);
+static void flatzone_voltage_init(struct battery_info *di);
+static int _get_FCC_capacity(struct battery_info *di);
+static void _save_FCC_capacity(struct battery_info *di, u32 capacity);
+static int _get_soc(struct battery_info *di);
+static int _get_average_current(struct battery_info *di);
+static int rk_battery_voltage(struct battery_info *di);
+static uint16_t _get_relax_vol1(struct battery_info *di);
+static uint16_t _get_relax_vol2(struct battery_info *di);
+static void update_battery_info(struct battery_info *di);
+
+static ssize_t bat_state_read(struct device *dev, struct device_attribute *attr, char *buf)
{
- return 1;
+ struct battery_info *di = g_battery;
+ u8 status;
+ u8 rtc_val;
+ u8 soc_reg;
+ u8 shtd_time;
+
+ battery_read(di->rk818, SUP_STS_REG, &status, 1);
+ battery_read(di->rk818, SOC_REG, &soc_reg, 1);
+ battery_read(di->rk818, 0x00, &rtc_val, 1);
+ di->voltage_ocv = _get_OCV_voltage(di);
+ _voltage_to_capacity(di, di->voltage_ocv);
+ battery_read(di->rk818, NON_ACT_TIMER_CNT_REG, &shtd_time, 1);
+
+ return sprintf(buf, "-----------------------------------------------------------------------------\n"
+ "volt = %d, ocv_volt = %d, avg_current = %d, remain_cap = %d, ocv_cap = %d\n"
+ "real_soc = %d, temp_soc = %d\n"
+ "fcc = %d, FCC_REG = %d, shutdown_time = %d\n"
+ "usb_online = %d, ac_online = %d\n"
+ "SUP_STS_REG(0xc7) = 0x%02x, RTC_REG = 0x%02x\n"
+ "voltage_k = %d, voltage_b = %d, SOC_REG = 0x%02x\n"
+ "relax_volt1 = %d, relax_volt2 = %d\n"
+ "---------------------------------------------------------------------------\n",
+ rk_battery_voltage(di), di->voltage_ocv, _get_average_current(di), _get_realtime_capacity(di), di->temp_nac,
+ di->real_soc, _get_soc(di),
+ di->fcc, _get_FCC_capacity(di), shtd_time,
+ di->usb_online, di->ac_online,
+ status, rtc_val,
+ di->voltage_k, di->voltage_b, soc_reg,
+ _get_relax_vol1(di), _get_relax_vol2(di));
+}
+
+static ssize_t bat_reg_read(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct battery_info *di = g_battery;
+ u8 sup_tst_reg, ggcon_reg, ggsts_reg, vb_mod_reg;
+ u8 usb_ctrl_reg, chrg_ctrl_reg1;
+ u8 chrg_ctrl_reg2, chrg_ctrl_reg3, rtc_val;
+
+ battery_read(di->rk818, GGCON, &ggcon_reg, 1);
+ battery_read(di->rk818, GGSTS, &ggsts_reg, 1);
+ battery_read(di->rk818, SUP_STS_REG, &sup_tst_reg, 1);
+ battery_read(di->rk818, VB_MOD_REG, &vb_mod_reg, 1);
+ battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG3, &chrg_ctrl_reg3, 1);
+ battery_read(di->rk818, 0x00, &rtc_val, 1);
+
+ return sprintf(buf, "\n------------- dump_debug_regs -----------------\n"
+ "GGCON = 0x%2x, GGSTS = 0x%2x, RTC = 0x%2x\n"
+ "SUP_STS_REG = 0x%2x, VB_MOD_REG = 0x%2x\n"
+ "USB_CTRL_REG = 0x%2x, CHRG_CTRL_REG1 = 0x%2x\n"
+ "CHRG_CTRL_REG2 = 0x%2x, CHRG_CTRL_REG3 = 0x%2x\n"
+ "---------------------------------------------------------------------------\n",
+ ggcon_reg, ggsts_reg, rtc_val,
+ sup_tst_reg, vb_mod_reg,
+ usb_ctrl_reg, chrg_ctrl_reg1,
+ chrg_ctrl_reg2, chrg_ctrl_reg3
+ );
+}
+static ssize_t bat_fcc_read(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct battery_info *di = g_battery;
+
+ return sprintf(buf, "%d", di->fcc);
+}
+static ssize_t bat_soc_read(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct battery_info *di = g_battery;
+
+ return sprintf(buf, "%d", di->real_soc);
+}
+
+static ssize_t bat_soc_write(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int val;
+ int ret;
+ struct battery_info *di = g_battery;
+
+ ret = sscanf(buf, "%d", &val);
+ di->real_soc = val;
+
+ return count;
}
-#endif
-/* OCV Lookup table
- * Open Circuit Voltage (OCV) correction routine. This function estimates SOC,
- * based on the voltage.
- */
-static int _voltage_to_capacity(struct battery_info * di, int voltage)
+static ssize_t bat_temp_soc_read(struct device *dev, struct device_attribute *attr, char *buf)
{
- u32 *ocv_table;
- int ocv_size;
- u32 tmp;
-
- ocv_table = di->platform_data->battery_ocv;
- ocv_size = di->platform_data->ocv_size;
- // ocv_table = di->ocv_table;
- // ocv_size = di->ocv_size;
- tmp = interpolate(voltage, ocv_table, ocv_size);
- di->temp_soc = ab_div_c(tmp, MAX_PERCENTAGE, INTERPOLATE_MAX);
- di->temp_nac= ab_div_c(tmp, di->fcc, INTERPOLATE_MAX);
- DBG("temp = %d real-soc =%d nac= %d, fcc = %d\n", tmp, di->temp_soc, di->temp_nac,di->fcc);
- return 0;
+ struct battery_info *di = g_battery;
+
+ return sprintf(buf, "%d", di->temp_soc);
}
-//POWER_SUPPLY_PROP_CURRENT_NOW,
-static int _get_average_current(struct battery_info *di)
+
+static ssize_t bat_temp_soc_write(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- u8 buf;//[2];
+ int val;
int ret;
- int current_now;
- int temp;
-
- ret = battery_read(di->rk818,BAT_CUR_AVG_REGL, &buf, 1);
- if(ret < 0){
- dev_err(di->dev, "error reading BAT_CUR_AVG_REGL");
- return ret;
- }
- current_now = buf;
- ret = battery_read(di->rk818,BAT_CUR_AVG_REGH, &buf, 1);
- if(ret < 0){
- dev_err(di->dev, "error reading BAT_CUR_AVG_REGH");
- return ret;
- }
- current_now |= (buf<<8);
+ u32 capacity;
+ struct battery_info *di = g_battery;
- if(current_now &0x800)
- current_now -= 4096;
-
-// temp = current_now*1000*90/14/4096*500/521;
- temp = current_now*1506/1000;//1000*90/14/4096*500/521;
+ ret = sscanf(buf, "%d", &val);
+ capacity = di->fcc*val/100;
+ _capacity_init(di, capacity);
+ di->temp_soc = _get_soc(di);
+ di->remain_capacity = _get_realtime_capacity(di);
- if(ret < 0){
- dev_err(di->dev, "error reading BAT_CUR_AVG_REGH");
- return ret;
- }
+ return count;
+}
- DBG("%s, average current current_now = %d current = %d\n",__FUNCTION__, current_now, temp);
- return temp;
+static ssize_t bat_voltage_read(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct battery_info *di = g_battery;
+ return sprintf(buf, "%d", di->voltage);
}
-#define to_device_info(x) container_of((x), \
- struct battery_info, bat);
-
-static int rk818_battery_get_property(struct power_supply *psy,
- enum power_supply_property psp,
- union power_supply_propval *val)
+static ssize_t bat_avr_current_read(struct device *dev, struct device_attribute *attr, char *buf)
{
- int ret = 0;
- struct battery_info *di = to_device_info(psy);
-
- switch (psp) {
- case POWER_SUPPLY_PROP_CURRENT_NOW:
- val->intval = di->current_avg;
- break;
-
- case POWER_SUPPLY_PROP_VOLTAGE_NOW:
- case POWER_SUPPLY_PROP_PRESENT:
- val->intval = di->voltage;// rk818_battery_voltage(di);
- if (psp == POWER_SUPPLY_PROP_PRESENT)
- val->intval = val->intval <= 0 ? 0 : 1;
- break;
+ struct battery_info *di = g_battery;
- case POWER_SUPPLY_PROP_CAPACITY:
- if(di->real_soc < 0)
- di->real_soc = 0;
- if(di->real_soc > 100)
- di->real_soc = 100;
- val->intval =di->real_soc;
- //DBG("POWER_SUPPLY_PROP_CAPACITY = %d, val->intval =%d\n", di->real_soc, val->intval);
- break;
- case POWER_SUPPLY_PROP_HEALTH:
- val->intval = POWER_SUPPLY_HEALTH_GOOD;//rk818_battery_health(di);
- break;
-
- case POWER_SUPPLY_PROP_STATUS:
- val->intval = di->status;
- //DBG("gBatStatus=%d\n",val->intval);
- break;
+ return sprintf(buf, "%d", di->current_avg);
+}
- default:
- return -EINVAL;
- }
+static ssize_t bat_remain_capacity_read(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct battery_info *di = g_battery;
- return ret;
+ return sprintf(buf, "%d", di->remain_capacity);
}
-#define to_ac_device_info(x) container_of((x), \
- struct battery_info, ac);
+static struct device_attribute rk818_bat_attr[] = {
+ __ATTR(state, 0664, bat_state_read, NULL),
+ __ATTR(regs, 0664, bat_reg_read, NULL),
+ __ATTR(fcc, 0664, bat_fcc_read, NULL),
+ __ATTR(soc, 0664, bat_soc_read, bat_soc_write),
+ __ATTR(temp_soc, 0664, bat_temp_soc_read, bat_temp_soc_write),
+ __ATTR(voltage, 0664, bat_voltage_read, NULL),
+ __ATTR(avr_current, 0664, bat_avr_current_read, NULL),
+ __ATTR(remain_capacity, 0664, bat_remain_capacity_read, NULL),
+};
-static int rk818_battery_ac_get_property(struct power_supply *psy,
- enum power_supply_property psp,
- union power_supply_propval *val)
+#endif
+
+static uint16_t get_relax_voltage(struct battery_info *di);
+
+static ssize_t show_state_attrs(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- //DBG("%s:%d psp = %d\n",__FUNCTION__,__LINE__,psp);
- int ret = 0;
- struct battery_info *di = to_ac_device_info(psy);
+ struct battery_info *data = g_battery;
- switch (psp) {
- case POWER_SUPPLY_PROP_ONLINE:
- val->intval = di->ac_online; /*discharging*/
- //DBG("%s:%d val->intval = %d di->status = %d\n",__FUNCTION__,__LINE__,val->intval, di->status);
- break;
-
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
+ if (0 == get_relax_voltage(data)) {
+ return sprintf(buf,
+ "voltage = %d, remain_capacity = %d, status = %d\n",
+ data->voltage, data->remain_capacity,
+ data->status);
+
+ } else
+ return sprintf(buf,
+ "voltage = %d, remain_capacity = %d, status = %d\n",
+ get_relax_voltage(data), data->remain_capacity,
+ data->status);
}
-#define to_usb_device_info(x) container_of((x), \
- struct battery_info, usb);
+static ssize_t restore_state_attrs(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ return size;
+}
+static struct device_attribute rkbatt_attrs[] = {
+ __ATTR(state, 0664, show_state_attrs, restore_state_attrs),
+};
-static int rk818_battery_usb_get_property(struct power_supply *psy,
- enum power_supply_property psp,
- union power_supply_propval *val)
+static int create_sysfs_interfaces(struct device *dev)
{
- int ret = 0;
- struct battery_info *di = to_usb_device_info(psy);
+ int liTmep;
- switch (psp) {
- case POWER_SUPPLY_PROP_ONLINE:
- val->intval = di->usb_online; /*discharging*/
- //DBG("%s:%d val->intval = %d\n",__FUNCTION__,__LINE__,val->intval);
- break;
-
- default:
- ret = -EINVAL;
- break;
+ for (liTmep = 0; liTmep < ARRAY_SIZE(rkbatt_attrs); liTmep++) {
+ if (device_create_file(dev, rkbatt_attrs + liTmep))
+ goto error;
}
- return ret;
-}
+ return 0;
+
+error:
+ for (; liTmep >= 0; liTmep--)
+ device_remove_file(dev, rkbatt_attrs + liTmep);
+
+ dev_err(dev, "%s:Unable to create sysfs interface\n", __func__);
+ return -1;
+}
-static void battery_powersupply_init(struct battery_info *di)
+static int debug_reg(struct battery_info *di, u8 reg, char *reg_name)
{
- di->bat.name = "BATTERY";
- di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
- di->bat.properties = rk818_battery_props;
- di->bat.num_properties = ARRAY_SIZE(rk818_battery_props);
- di->bat.get_property = rk818_battery_get_property;
-
- di->ac.name = "AC";
- di->ac.type = POWER_SUPPLY_TYPE_MAINS;
- di->ac.properties = rk818_battery_ac_props;
- di->ac.num_properties = ARRAY_SIZE(rk818_battery_ac_props);
- di->ac.get_property = rk818_battery_ac_get_property;
+ u8 val;
- di->usb.name = "USB";
- di->usb.type = POWER_SUPPLY_TYPE_USB;
- di->usb.properties = rk818_battery_usb_props;
- di->usb.num_properties = ARRAY_SIZE(rk818_battery_usb_props);
- di->usb.get_property = rk818_battery_usb_get_property;
+ battery_read(di->rk818, reg, &val, 1);
+ DBG("<%s>: %s = 0x%2x\n", __func__, reg_name, val);
+ return val;
}
-//enabsle GG_EN
+
static int _gauge_enable(struct battery_info *di)
{
int ret;
u8 buf;
- DBG("%s start \n", __FUNCTION__);
- ret = battery_read(di->rk818,TS_CTRL_REG, &buf, 1);
- DBG("_gauge_enable read-%d\n", buf);
-
- if(ret < 0){
+
+ ret = battery_read(di->rk818, TS_CTRL_REG, &buf, 1);
+ if (ret < 0) {
dev_err(di->dev, "error reading TS_CTRL_REG");
return ret;
}
- if(!(buf & GG_EN)){
+ if (!(buf & GG_EN)) {
buf |= GG_EN;
- ret = battery_write(di->rk818, TS_CTRL_REG, &buf, 1); //enable
- ret = battery_read(di->rk818,TS_CTRL_REG, &buf, 1);
+ ret = battery_write(di->rk818, TS_CTRL_REG, &buf, 1); /* enable */
+ ret = battery_read(di->rk818, TS_CTRL_REG, &buf, 1);
return 0;
}
- DBG("%s,%d\n",__FUNCTION__, buf);
+ DBG("%s, %d\n", __func__, buf);
return 0;
-
+
}
+static void save_level(struct battery_info *di, u8 save_soc)
+{
+ u8 soc;
-#if 0
+ soc = save_soc;
+ battery_write(di->rk818, UPDAT_LEVE_REG, &soc, 1);
+}
+static u8 get_level(struct battery_info *di)
+{
+ u8 soc;
+
+ battery_read(di->rk818, UPDAT_LEVE_REG, &soc, 1);
+ return soc;
+}
-static int _gauge_disable(struct battery_info *di)
+static int _get_vcalib0(struct battery_info *di)
{
int ret;
+ int temp = 0;
u8 buf;
- ret = battery_read(di->rk818,TS_CTRL_REG, &buf, 1);
- if(ret < 0){
- dev_err(di->dev, "error reading TS_CTRL_REG");
- return ret;
- }
- if((buf & GG_EN)){
- buf &= (~0x80);//GG_EN
- ret = battery_write(di->rk818, TS_CTRL_REG, &buf, 1); //enable
- return 0;
- }
- return 0;
+ ret = battery_read(di->rk818, VCALIB0_REGL, &buf, 1);
+ temp = buf;
+ ret = battery_read(di->rk818, VCALIB0_REGH, &buf, 1);
+ temp |= buf<<8;
+
+ DBG("%s voltage0 offset vale is %d\n", __func__, temp);
+ return temp;
}
-static int _set_auto_sleep_cur(struct battery_info *di, u8 value)
+static int _get_vcalib1(struct battery_info *di)
{
int ret;
+ int temp = 0;
u8 buf;
- buf = value;
- ret = battery_write(di->rk818, AUTO_SLP_CUR_THR_REG, &buf, 1); //enable
- return 0;
+
+ ret = battery_read(di->rk818, VCALIB1_REGL, &buf, 1);
+ temp = buf;
+ ret = battery_read(di->rk818, VCALIB1_REGH, &buf, 1);
+ temp |= buf<<8;
+
+ DBG("%s voltage1 offset vale is %d\n", __func__, temp);
+ return temp;
}
-static int _set_sleep_smp_time(struct battery_info *di, u8 value)
+
+static int _get_ioffset(struct battery_info *di)
{
int ret;
- u8 temp;
+ int temp = 0;
u8 buf;
- ret = battery_read(di->rk818,FRAME_SMP_INTERV_REG, &buf, 1);
- if(ret < 0){
- dev_err(di->dev, "error reading FRAME_SMP_INTERV_REG");
- return ret;
- }
-
- temp = (buf&(AUTO_SLP_EN))|value;
- ret = battery_write(di->rk818, FRAME_SMP_INTERV_REG, &temp, 1); //enable
+ ret = battery_read(di->rk818, IOFFSET_REGL, &buf, 1);
+ temp = buf;
+ ret = battery_read(di->rk818, IOFFSET_REGH, &buf, 1);
+ temp |= buf<<8;
- return 0;
+ return temp;
}
-static int _autosleep_enable(struct battery_info *di)
+static uint16_t _get_cal_offset(struct battery_info *di)
{
int ret;
+ uint16_t temp = 0;
u8 buf;
- ret = battery_read(di->rk818,FRAME_SMP_INTERV_REG, &buf, 1);
- if(ret < 0){
- dev_err(di->dev, "error reading FRAME_SMP_INTERV_REG");
- return ret;
- }
- if(!(buf & AUTO_SLP_EN)){
- buf |= AUTO_SLP_EN;
- ret = battery_write(di->rk818, FRAME_SMP_INTERV_REG, &buf, 1); //enable
- return 0;
- }
-
- _set_auto_sleep_cur(di, di->sleep_cur); // <di->sleep_cur , into sleep-mode
- _set_sleep_smp_time(di, di->sleep_smp_time); // time of adc work , sleep-mode
-
-
- return 0;
-
+ ret = battery_read(di->rk818, CAL_OFFSET_REGL, &buf, 1);
+ temp = buf;
+ ret = battery_read(di->rk818, CAL_OFFSET_REGH, &buf, 1);
+ temp |= buf<<8;
+ return temp;
}
-
-static int _autosleep_disable(struct battery_info *di)
+static int _set_cal_offset(struct battery_info *di, u32 value)
{
int ret;
u8 buf;
- ret = battery_read(di->rk818,FRAME_SMP_INTERV_REG, &buf, 1);
- if(ret < 0){
- dev_err(di->dev, "error reading FRAME_SMP_INTERV_REG");
- return ret;
- }
- if((buf & AUTO_SLP_EN)){
- buf &= (~AUTO_SLP_EN);
- ret = battery_write(di->rk818, FRAME_SMP_INTERV_REG, &buf, 1); //enable
- return 0;
- }
+ buf = value&0xff;
+ ret = battery_write(di->rk818, CAL_OFFSET_REGL, &buf, 1);
+ buf = (value >> 8)&0xff;
+ ret = battery_write(di->rk818, CAL_OFFSET_REGH, &buf, 1);
+
return 0;
+}
+static void _get_voltage_offset_value(struct battery_info *di)
+{
+ int vcalib0, vcalib1;
-}
+ vcalib0 = _get_vcalib0(di);
+ vcalib1 = _get_vcalib1(di);
-#endif
-static int rk818_battery_voltage(struct battery_info *di)
+ di->voltage_k = (4200 - 3000)*1000/(vcalib1 - vcalib0);
+ di->voltage_b = 4200 - (di->voltage_k*vcalib1)/1000;
+ DBG("voltage_k = %d(x1000) voltage_b = %d\n", di->voltage_k, di->voltage_b);
+}
+static uint16_t _get_OCV_voltage(struct battery_info *di)
{
int ret;
- int voltage_now = 0;
u8 buf;
- int temp;
-#if 1
- ret = battery_read(di->rk818,BAT_VOL_REGL, &buf, 1);
+ uint16_t temp;
+ uint16_t voltage_now = 0;
+
+ ret = battery_read(di->rk818, BAT_OCV_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818,BAT_VOL_REGH,&buf, 1);
+ ret = battery_read(di->rk818, BAT_OCV_REGH, &buf, 1);
temp |= buf<<8;
-#endif
- //ret = battery_read(di->rk818,BAT_VOL_REGH, buf, 2);
- if(ret < 0){
- dev_err(di->dev, "error reading BAT_VOL_REGH");
+ if (ret < 0) {
+ dev_err(di->dev, "error read BAT_OCV_REGH");
return ret;
}
- //voltage_now = temp;//(buf[0]<<8)|buf[1];
- voltage_now = di ->voltage_k*temp + di->voltage_b;
+ voltage_now = di->voltage_k*temp/1000 + di->voltage_b;
- DBG("the rea-time voltage is %d\n",voltage_now);
return voltage_now;
}
-static int _get_OCV_voltage(struct battery_info *di)
+static int rk_battery_voltage(struct battery_info *di)
{
int ret;
int voltage_now = 0;
u8 buf;
int temp;
-#if 1
- ret = battery_read(di->rk818,BAT_OCV_REGL, &buf, 1);
+
+ ret = battery_read(di->rk818, BAT_VOL_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818,BAT_OCV_REGH, &buf, 1);
+ ret = battery_read(di->rk818, BAT_VOL_REGH, &buf, 1);
temp |= buf<<8;
-#endif
- //ret = battery_read(di->rk818,BAT_OCV_REGH, &buf, 2);
- if(ret < 0){
- dev_err(di->dev, "error reading BAT_OCV_REGH");
+ if (ret < 0) {
+ dev_err(di->dev, "error read BAT_VOL_REGH");
return ret;
}
- //voltage_now = temp;//(buf[0]<<8)|buf[1];
- voltage_now = di ->voltage_k*temp + di->voltage_b;
- DBG("the OCV voltage is %d\n", voltage_now);
+ voltage_now = di->voltage_k*temp/1000 + di->voltage_b;
return voltage_now;
}
-#if 0
-static int _get_ts1_adc(struct battery_info *di)
+
+/* OCV Lookup table
+ * Open Circuit Voltage (OCV) correction routine. This function estimates SOC,
+ * based on the voltage.
+ */
+static int _voltage_to_capacity(struct battery_info *di, int voltage)
+{
+ u32 *ocv_table;
+ int ocv_size;
+ u32 tmp;
+ int i;
+
+ ocv_table = di->platform_data->battery_ocv;
+ ocv_size = di->platform_data->ocv_size;
+ di->warnning_voltage = ocv_table[3];
+ tmp = interpolate(voltage, ocv_table, ocv_size);
+ di->temp_soc = ab_div_c(tmp, MAX_PERCENTAGE, INTERPOLATE_MAX);
+ di->temp_nac = ab_div_c(tmp, di->fcc, INTERPOLATE_MAX);
+
+ return 0;
+}
+
+static uint16_t _get_relax_vol1(struct battery_info *di)
{
int ret;
- int temp = 0;
u8 buf;
+ uint16_t temp = 0, voltage_now;
- ret = battery_read(di->rk818,TS1_ADC_REGL, &buf, 1);
+ ret = battery_read(di->rk818, RELAX_VOL1_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818,TS1_ADC_REGH, &buf, 1);
- temp = (buf<<8);
+ ret = battery_read(di->rk818, RELAX_VOL1_REGH, &buf, 1);
+ temp |= (buf<<8);
- return temp;
+ voltage_now = di->voltage_k*temp/1000 + di->voltage_b;
+
+ return voltage_now;
}
-static int _get_ts2_adc(struct battery_info *di)
+static uint16_t _get_relax_vol2(struct battery_info *di)
{
int ret;
- int temp = 0;
+ uint16_t temp = 0, voltage_now;
u8 buf;
-#if 1
- ret = battery_read(di->rk818,TS2_ADC_REGL, &buf, 1);
+
+ ret = battery_read(di->rk818, RELAX_VOL2_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818,TS2_ADC_REGH, &buf, 1);
- temp |= buf<<8;
-#endif
+ ret = battery_read(di->rk818, RELAX_VOL2_REGH, &buf, 1);
+ temp |= (buf<<8);
+
+ voltage_now = di->voltage_k*temp/1000 + di->voltage_b;
+
+ return voltage_now;
+}
+
+static int _get_raw_adc_current(struct battery_info *di)
+{
+ u8 buf;
+ int ret;
+ int current_now;
+
+ ret = battery_read(di->rk818, BAT_CUR_AVG_REGL, &buf, 1);
+ if (ret < 0) {
+ dev_err(di->dev, "error reading BAT_CUR_AVG_REGL");
+ return ret;
+ }
+ current_now = buf;
+ ret = battery_read(di->rk818, BAT_CUR_AVG_REGH, &buf, 1);
+ if (ret < 0) {
+ dev_err(di->dev, "error reading BAT_CUR_AVG_REGH");
+ return ret;
+ }
+ current_now |= (buf<<8);
+
+ if (ret < 0) {
+ dev_err(di->dev, "error reading BAT_CUR_AVG_REGH");
+ return ret;
+ }
+
+ return current_now;
+
+}
+
+static void reset_zero_var(struct battery_info *di)
+{
+ di->update_k = 0;
+ di->q_err = 0;
+ di->voltage_old = 0;
+ di->display_soc = 0;
+}
+
+static void ioffset_sample_time(struct battery_info *di, int time)
+{
+ u8 ggcon;
+
+ battery_read(di->rk818, GGCON, &ggcon, 1);
+ ggcon &= ~(0x30); /*clear <5:4>*/
+ ggcon |= time;
+ battery_write(di->rk818, GGCON, &ggcon, 1);
+ debug_reg(di, GGCON, "GGCON");
+}
+
+static void update_cal_offset(struct battery_info *di)
+{
+ int mod = di->queue_work_cnt % TIME_10MIN_SEC;
+
+ DBG("<%s>, queue_work_cnt = %lu, mod = %d\n", __func__, di->queue_work_cnt, mod);
+ if ((!mod) && (di->pcb_ioffset_updated)) {
+ _set_cal_offset(di, di->pcb_ioffset+_get_ioffset(di));
+ DBG("<%s>. 10min update cal_offset = %d", __func__, di->pcb_ioffset+_get_ioffset(di));
+ }
+}
+
+
+static void zero_current_calibration(struct battery_info *di)
+{
+ int adc_value;
+ uint16_t C0;
+ uint16_t C1;
+ int ioffset;
+ int pcb_offset;
+ u8 retry = 0;
+
+ if ((di->charge_status == CHARGE_FINISH) && (abs32_int(di->current_avg) > 4)) {
+
+ for (retry = 0; retry < 5; retry++) {
+ adc_value = _get_raw_adc_current(di);
+ DBG("<%s>. adc_value = %d\n", __func__, adc_value);
+
+ C0 = _get_cal_offset(di);
+ C1 = adc_value + C0;
+ _set_cal_offset(di, C1);
+ DBG("<%s>. C1 = %d\n", __func__, C1);
+ msleep(2000);
+
+ adc_value = _get_raw_adc_current(di);
+ DBG("<%s>. adc_value = %d\n", __func__, adc_value);
+ if (adc_value < 4) {
+
+ ioffset = _get_ioffset(di);
+ pcb_offset = C1 - ioffset;
+ di->pcb_ioffset = pcb_offset;
+ di->pcb_ioffset_updated = true;
+ DBG("<%s>. update the cal_offset, pcb_offset = %d\n", __func__, pcb_offset);
+ break;
+ } else
+ di->pcb_ioffset_updated = false;
+ }
+ }
+}
+
+
+static bool _is_relax_mode(struct battery_info *di)
+{
+ int ret;
+ u8 status;
+
+ ret = battery_read(di->rk818, GGSTS, &status, 1);
+
+ if ((!(status&RELAX_VOL1_UPD)) || (!(status&RELAX_VOL2_UPD)))
+ return false;
+ else
+ return true;
+}
+
+static uint16_t get_relax_voltage(struct battery_info *di)
+{
+ int ret;
+ u8 status;
+ uint16_t relax_vol1, relax_vol2;
+ u8 ggcon;
+
+ ret = battery_read(di->rk818, GGSTS, &status, 1);
+ ret = battery_read(di->rk818, GGCON, &ggcon, 1);
+
+ relax_vol1 = _get_relax_vol1(di);
+ relax_vol2 = _get_relax_vol2(di);
+ DBG("<%s>. GGSTS = 0x%x, GGCON = 0x%x, relax_vol1 = %d, relax_vol2 = %d\n", __func__, status, ggcon, relax_vol1, relax_vol2);
+ if (_is_relax_mode(di))
+ return relax_vol1 > relax_vol2?relax_vol1:relax_vol2;
+ else
+ return 0;
+}
+
+static void _set_relax_thres(struct battery_info *di)
+{
+ u8 buf;
+ int enter_thres, exit_thres;
+ struct cell_state *cell = &di->cell;
+
+ enter_thres = (cell->config->ocv->sleep_enter_current)*1000/1506;
+ exit_thres = (cell->config->ocv->sleep_exit_current)*1000/1506;
+
+ buf = enter_thres&0xff;
+ battery_write(di->rk818, RELAX_ENTRY_THRES_REGL, &buf, 1);
+ buf = (enter_thres>>8)&0xff;
+ battery_write(di->rk818, RELAX_ENTRY_THRES_REGH, &buf, 1);
+
+ buf = exit_thres&0xff;
+ battery_write(di->rk818, RELAX_EXIT_THRES_REGL, &buf, 1);
+ buf = (exit_thres>>8)&0xff;
+ battery_write(di->rk818, RELAX_EXIT_THRES_REGH, &buf, 1);
+
+ /* set sample time */
+ battery_read(di->rk818, GGCON, &buf, 1);
+ buf &= ~(3<<2);/*8min*/
+ buf &= ~0x01; /* clear bat_res calc*/
+ battery_write(di->rk818, GGCON, &buf, 1);
+}
+
+static void restart_relax(struct battery_info *di)
+{
+ u8 ggcon;/* chrg_ctrl_reg2;*/
+ u8 ggsts;
+
+ battery_read(di->rk818, GGCON, &ggcon, 1);
+ ggcon &= ~0x0c;
+ battery_write(di->rk818, GGCON, &ggcon, 1);
+
+ battery_read(di->rk818, GGSTS, &ggsts, 1);
+ ggsts &= ~0x0c;
+ battery_write(di->rk818, GGSTS, &ggsts, 1);
+}
+
+static int _get_average_current(struct battery_info *di)
+{
+ u8 buf;
+ int ret;
+ int current_now;
+ int temp;
+
+ ret = battery_read(di->rk818, BAT_CUR_AVG_REGL, &buf, 1);
+ if (ret < 0) {
+ dev_err(di->dev, "error read BAT_CUR_AVG_REGL");
+ return ret;
+ }
+ current_now = buf;
+ ret = battery_read(di->rk818, BAT_CUR_AVG_REGH, &buf, 1);
+ if (ret < 0) {
+ dev_err(di->dev, "error read BAT_CUR_AVG_REGH");
+ return ret;
+ }
+ current_now |= (buf<<8);
+
+ if (current_now & 0x800)
+ current_now -= 4096;
+
+ temp = current_now*1506/1000;/*1000*90/14/4096*500/521;*/
return temp;
+
+}
+
+static bool is_bat_exist(struct battery_info *di)
+{
+ u8 buf;
+
+ battery_read(di->rk818, SUP_STS_REG, &buf, 1);
+ return (buf & 0x80) ? true : false;
+}
+
+static bool _is_first_poweron(struct battery_info *di)
+{
+ u8 buf;
+ u8 temp;
+
+ battery_read(di->rk818, GGSTS, &buf, 1);
+ DBG("%s GGSTS value is 0x%2x \n", __func__, buf);
+ /*di->pwron_bat_con = buf;*/
+ if (buf&BAT_CON) {
+ buf &= ~(BAT_CON);
+ do {
+ battery_write(di->rk818, GGSTS, &buf, 1);
+ battery_read(di->rk818, GGSTS, &temp, 1);
+ } while (temp&BAT_CON);
+ return true;
+ }
+ return false;
+}
+static void flatzone_voltage_init(struct battery_info *di)
+{
+ u32 *ocv_table;
+ int ocv_size;
+ int temp_table[21];
+ int i, j;
+
+ ocv_table = di->platform_data->battery_ocv;
+ ocv_size = di->platform_data->ocv_size;
+
+ for (j = 0; j < 21; j++)
+ temp_table[j] = 0;
+
+ j = 0;
+ for (i = 1; i < ocv_size-1; i++) {
+ if (ocv_table[i+1] < ocv_table[i] + 20)
+ temp_table[j++] = i;
+ }
+
+ temp_table[j] = temp_table[j-1]+1;
+ i = temp_table[0];
+ di->enter_flatzone = ocv_table[i];
+ j = 0;
+
+
+ for (i = 0; i <= 20; i++) {
+ if (temp_table[i] < temp_table[i+1])
+ j = i+1;
+ }
+
+ i = temp_table[j];
+ di->exit_flatzone = ocv_table[i];
+
+ DBG("enter_flatzone = %d exit_flatzone = %d\n", di->enter_flatzone, di->exit_flatzone);
+
+}
+
+#if 0
+static int is_not_flatzone(struct battery_info *di, int voltage)
+{
+ if ((voltage >= di->enter_flatzone) && (voltage <= di->exit_flatzone)) {
+ DBG("<%s>. is in flat zone\n", __func__);
+ return 0;
+ } else {
+ DBG("<%s>. is not in flat zone\n", __func__);
+ return 1;
+ }
}
#endif
-static void _capacity_init(struct battery_info *di, u32 capacity)
+static void power_on_save(struct battery_info *di, int voltage)
{
+ u8 buf;
+ u8 save_soc;
+
+ battery_read(di->rk818, NON_ACT_TIMER_CNT_REG, &buf, 1);
+
+ if (_is_first_poweron(di) || buf > 30) { /* first power-on or power off time > 30min */
+ _voltage_to_capacity(di, voltage);
+ if (di->temp_soc < 20) {
+ di->dod0_voltage = voltage;
+ di->dod0_capacity = di->nac;
+ di->dod0_status = 1;
+ di->dod0 = di->temp_soc;/* _voltage_to_capacity(di, voltage); */
+ di->dod0_level = 80;
+
+ if (di->temp_soc <= 0)
+ di->dod0_level = 100;
+ else if (di->temp_soc < 5)
+ di->dod0_level = 95;
+ else if (di->temp_soc < 10)
+ di->dod0_level = 90;
+ /* save_soc = di->dod0_level; */
+ save_soc = get_level(di);
+ if (save_soc < di->dod0_level)
+ save_soc = di->dod0_level;
+ save_level(di, save_soc);
+ DBG("<%s>UPDATE-FCC POWER ON : dod0_voltage = %d, dod0_capacity = %d ", __func__, di->dod0_voltage, di->dod0_capacity);
+ }
+ }
+}
+
+static int _get_full_soc(struct battery_info *di)
+{
+ if(abs_int(di->fcc - di->remain_capacity) < di->fcc/100)
+ return 100;
+ else
+ return di->remain_capacity * 100 / di->fcc;
+}
+static int _get_soc(struct battery_info *di)
+{
+ return di->remain_capacity * 100 / di->fcc;
+}
+
+static enum power_supply_property rk_battery_props[] = {
+
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_HEALTH,
+ POWER_SUPPLY_PROP_CAPACITY,
+};
+
+#define to_device_info(x) container_of((x), \
+ struct battery_info, bat)
+
+static int rk_battery_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ u8 buf;
+ struct battery_info *di = to_device_info(psy);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = di->current_avg*1000;/*uA*/
+ break;
+
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = di->voltage*1000;/*uV*/
+ break;
+
+ case POWER_SUPPLY_PROP_PRESENT:
+ /*val->intval = val->intval <= 0 ? 0 : 1;*/
+ battery_read(di->rk818, SUP_STS_REG, &buf, 1);
+ val->intval = (buf >> 7); /*bit7:BAT_EX*/
+ break;
+
+
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = di->real_soc;
+ break;
+
+ case POWER_SUPPLY_PROP_HEALTH:
+ val->intval = POWER_SUPPLY_HEALTH_GOOD;
+ break;
+
+ case POWER_SUPPLY_PROP_STATUS:
+ val->intval = di->status;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+
+static enum power_supply_property rk_battery_ac_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+static enum power_supply_property rk_battery_usb_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
+
+#define to_ac_device_info(x) container_of((x), \
+ struct battery_info, ac)
+
+static int rk_battery_ac_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ int ret = 0;
+ struct battery_info *di = to_ac_device_info(psy);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = di->ac_online; /*discharging*/
+ break;
+
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+#define to_usb_device_info(x) container_of((x), \
+ struct battery_info, usb)
+
+static int rk_battery_usb_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ int ret = 0;
+ struct battery_info *di = to_usb_device_info(psy);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ if ((strstr(saved_command_line, "charger") == NULL) && (di->real_soc == 0) && (di->work_on == 1))
+ val->intval = 0;
+ else
+ val->intval = di->usb_online;
+ break;
+
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+
+static void battery_power_supply_init(struct battery_info *di)
+{
+ di->bat.name = "BATTERY";
+ di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
+ di->bat.properties = rk_battery_props;
+ di->bat.num_properties = ARRAY_SIZE(rk_battery_props);
+ di->bat.get_property = rk_battery_get_property;
+
+ di->ac.name = "AC";
+ di->ac.type = POWER_SUPPLY_TYPE_MAINS;
+ di->ac.properties = rk_battery_ac_props;
+ di->ac.num_properties = ARRAY_SIZE(rk_battery_ac_props);
+ di->ac.get_property = rk_battery_ac_get_property;
+
+ di->usb.name = "USB";
+ di->usb.type = POWER_SUPPLY_TYPE_USB;
+ di->usb.properties = rk_battery_usb_props;
+ di->usb.num_properties = ARRAY_SIZE(rk_battery_usb_props);
+ di->usb.get_property = rk_battery_usb_get_property;
+}
+
+static int battery_power_supply_register(struct battery_info *di, struct device *dev)
+{
+ int ret;
+
+ ret = power_supply_register(dev, &di->bat);
+ if (ret) {
+ dev_err(dev, "failed to register main battery\n");
+ goto batt_failed;
+ }
+ ret = power_supply_register(dev, &di->usb);
+ if (ret) {
+ dev_err(dev, "failed to register usb power supply\n");
+ goto usb_failed;
+ }
+ ret = power_supply_register(dev, &di->ac);
+ if (ret) {
+ dev_err(dev, "failed to register ac power supply\n");
+ goto ac_failed;
+ }
+
+ return 0;
+
+ac_failed:
+ power_supply_unregister(&di->ac);
+usb_failed:
+ power_supply_unregister(&di->usb);
+batt_failed:
+ power_supply_unregister(&di->bat);
+
+ return ret;
+}
+
+static void _capacity_init(struct battery_info *di, u32 capacity)
+{
u8 buf;
u32 capacity_ma;
- capacity_ma = capacity*2201;//36*14/900*4096/521*500;
- DBG("%s WRITE GANCNT_CAL_REG %d\n", __FUNCTION__, capacity_ma);
- do{
- buf = (capacity_ma>>24)&0xff;
- battery_write(di->rk818, GASCNT_CAL_REG3, &buf,1);
- buf = (capacity_ma>>16)&0xff;
- battery_write(di->rk818, GASCNT_CAL_REG2, &buf,1);
- buf = (capacity_ma>>8)&0xff;
- battery_write(di->rk818, GASCNT_CAL_REG1, &buf,1);
- buf = (capacity_ma&0xff)|0x01;
- battery_write(di->rk818, GASCNT_CAL_REG0, &buf,1);
- battery_read(di->rk818,GASCNT_CAL_REG0, &buf, 1);
+ reset_zero_var(di);
- }while(buf == 0);
- return;
+ capacity_ma = capacity*2390;/* 2134;//36*14/900*4096/521*500; */
+ do {
+ buf = (capacity_ma>>24)&0xff;
+ battery_write(di->rk818, GASCNT_CAL_REG3, &buf, 1);
+ buf = (capacity_ma>>16)&0xff;
+ battery_write(di->rk818, GASCNT_CAL_REG2, &buf, 1);
+ buf = (capacity_ma>>8)&0xff;
+ battery_write(di->rk818, GASCNT_CAL_REG1, &buf, 1);
+ buf = (capacity_ma&0xff) | 0x01;
+ battery_write(di->rk818, GASCNT_CAL_REG0, &buf, 1);
+ battery_read(di->rk818, GASCNT_CAL_REG0, &buf, 1);
+ } while (buf == 0);
}
+
static void _save_remain_capacity(struct battery_info *di, u32 capacity)
{
-
u8 buf;
u32 capacity_ma;
- if(capacity >= di ->qmax){
- capacity = di ->qmax;
- }
+ if (capacity >= di->qmax)
+ capacity = di->qmax;
+
capacity_ma = capacity;
-// DBG("%s WRITE GANCNT_CAL_REG %d\n", __FUNCTION__, capacity_ma);
- buf = (capacity_ma>>24)&0xff;
- battery_write(di->rk818, REMAIN_CAP_REG3, &buf,1);
- buf = (capacity_ma>>16)&0xff;
- battery_write(di->rk818, REMAIN_CAP_REG2, &buf,1);
- buf = (capacity_ma>>8)&0xff;
- battery_write(di->rk818, REMAIN_CAP_REG1, &buf,1);
- buf = (capacity_ma&0xff)|0x01;
- battery_write(di->rk818, REMAIN_CAP_REG0, &buf,1);
-
- return;
+ buf = (capacity_ma>>24)&0xff;
+ battery_write(di->rk818, REMAIN_CAP_REG3, &buf, 1);
+ buf = (capacity_ma>>16)&0xff;
+ battery_write(di->rk818, REMAIN_CAP_REG2, &buf, 1);
+ buf = (capacity_ma>>8)&0xff;
+ battery_write(di->rk818, REMAIN_CAP_REG1, &buf, 1);
+ buf = (capacity_ma&0xff) | 0x01;
+ battery_write(di->rk818, REMAIN_CAP_REG0, &buf, 1);
}
static int _get_remain_capacity(struct battery_info *di)
u8 buf;
u32 capacity;
- ret = battery_read(di->rk818,REMAIN_CAP_REG3, &buf, 1);
- temp = buf<<24;
- ret = battery_read(di->rk818,REMAIN_CAP_REG2, &buf, 1);
- temp |= buf<<16;
- ret = battery_read(di->rk818,REMAIN_CAP_REG1, &buf, 1);
- temp |= buf<<8;
- ret = battery_read(di->rk818,REMAIN_CAP_REG0, &buf, 1);
+ ret = battery_read(di->rk818, REMAIN_CAP_REG3, &buf, 1);
+ temp = buf << 24;
+ ret = battery_read(di->rk818, REMAIN_CAP_REG2, &buf, 1);
+ temp |= buf << 16;
+ ret = battery_read(di->rk818, REMAIN_CAP_REG1, &buf, 1);
+ temp |= buf << 8;
+ ret = battery_read(di->rk818, REMAIN_CAP_REG0, &buf, 1);
temp |= buf;
- capacity = temp;///4096*900/14/36*500/521;
- DBG("%s GASCNT_CAL_REG %d capacity =%d \n",__FUNCTION__, temp, capacity);
- return capacity;
+ capacity = temp;/* /4096*900/14/36*500/521; */
+ return capacity;
}
-static int _get_capacity(struct battery_info *di)
+static void _save_FCC_capacity(struct battery_info *di, u32 capacity)
+{
+ u8 buf;
+ u32 capacity_ma;
+
+ capacity_ma = capacity;
+ buf = (capacity_ma>>24)&0xff;
+ battery_write(di->rk818, NEW_FCC_REG3, &buf, 1);
+ buf = (capacity_ma>>16)&0xff;
+ battery_write(di->rk818, NEW_FCC_REG2, &buf, 1);
+ buf = (capacity_ma>>8)&0xff;
+ battery_write(di->rk818, NEW_FCC_REG1, &buf, 1);
+ buf = (capacity_ma&0xff) | 0x01;
+ battery_write(di->rk818, NEW_FCC_REG0, &buf, 1);
+}
+
+static int _get_FCC_capacity(struct battery_info *di)
{
int ret;
int temp = 0;
u8 buf;
u32 capacity;
- ret = battery_read(di->rk818,GASCNT_CAL_REG3, &buf, 1);
- temp = buf<<24;
- ret = battery_read(di->rk818,GASCNT_CAL_REG2, &buf, 1);
- temp |= buf<<16;
- ret = battery_read(di->rk818,GASCNT_CAL_REG1, &buf, 1);
- temp |= buf<<8;
- ret = battery_read(di->rk818,GASCNT_CAL_REG0, &buf, 1);
+ ret = battery_read(di->rk818, NEW_FCC_REG3, &buf, 1);
+ temp = buf << 24;
+ ret = battery_read(di->rk818, NEW_FCC_REG2, &buf, 1);
+ temp |= buf << 16;
+ ret = battery_read(di->rk818, NEW_FCC_REG1, &buf, 1);
+ temp |= buf << 8;
+ ret = battery_read(di->rk818, NEW_FCC_REG0, &buf, 1);
temp |= buf;
- capacity = temp/2201;///4096*900/14/36*500/521;
- //DBG("%s GASCNT_CAL_REG %d capacity =%d \n",__FUNCTION__, temp, capacity);
- return capacity;
+ if (temp > 1)
+ capacity = temp-1;/* 4096*900/14/36*500/521 */
+ else
+ capacity = temp;
+ DBG("%s NEW_FCC_REG %d capacity = %d\n", __func__, temp, capacity);
+ return capacity;
}
static int _get_realtime_capacity(struct battery_info *di)
{
-
int ret;
int temp = 0;
u8 buf;
u32 capacity;
- ret = battery_read(di->rk818,GASCNT3, &buf, 1);
- temp = buf<<24;
- ret = battery_read(di->rk818,GASCNT2, &buf, 1);
- temp |= buf<<16;
- ret = battery_read(di->rk818,GASCNT1, &buf, 1);
- temp |= buf<<8;
- ret = battery_read(di->rk818,GASCNT0, &buf, 1);
+ ret = battery_read(di->rk818, GASCNT3, &buf, 1);
+ temp = buf << 24;
+ ret = battery_read(di->rk818, GASCNT2, &buf, 1);
+ temp |= buf << 16;
+ ret = battery_read(di->rk818, GASCNT1, &buf, 1);
+ temp |= buf << 8;
+ ret = battery_read(di->rk818, GASCNT0, &buf, 1);
temp |= buf;
-// ret = battery_read(di->rk818,GASCNT_CAL_REG3, &buf, 4);
-// temp = buf[0] << 24 | buf[1] << 24 | buf[2] << 24 |buf[3] ;
- capacity = temp/2201;///4096*900/14/36*500/521;
- //DBG("%s GASCNT = 0x%4x capacity =%d \n",__FUNCTION__, temp,capacity);
+
+ capacity = temp/2390;/* 4096*900/14/36*500/521; */
+
return capacity;
-
+}
+
+static void relax_volt_update_remain_capacity(struct battery_info *di, uint16_t relax_voltage, int sleep_min)
+{
+ int remain_capacity;
+ int relax_capacity;
+ int now_temp_soc;
+ int relax_soc;
+ int abs_soc;
+ int min, soc_time;
+ int now_current;
+
+ now_temp_soc = _get_soc(di);
+ _voltage_to_capacity(di, relax_voltage);
+ relax_soc = di->temp_soc;
+ relax_capacity = di->temp_nac;
+ abs_soc = abs32_int(relax_soc - now_temp_soc);
+ DBG("<%s>. suspend_temp_soc=%d, temp_soc=%d, ,real_soc = %d\n", __func__, di->suspend_temp_soc, now_temp_soc, di->real_soc);
+ DBG("<%s>. relax_soc = %d, abs_soc = %d\n", __func__, relax_soc, abs_soc);
+
+ /*handle temp_soc*/
+ if (abs32_int(di->real_soc - relax_soc) <= 5) {
+ remain_capacity = relax_capacity;
+ DBG("<%s>. real-soc is close to relax-soc, set: temp_soc = relax_soc\n", __func__);
+ } else {
+ if (abs_soc == 0)
+ remain_capacity = _get_realtime_capacity(di);
+ else if (abs_soc <= 10)
+ remain_capacity = relax_capacity;
+ else if (abs_soc <= 20)
+ remain_capacity = relax_capacity*70/100+di->remain_capacity*30/100;
+ else
+ remain_capacity = relax_capacity*50/100+di->remain_capacity*50/100;
+ }
+ _capacity_init(di, remain_capacity);
+ di->temp_soc = _get_soc(di);
+ di->remain_capacity = _get_realtime_capacity(di);
+
+ /*handle real_soc*/
+ DBG("<%s>. real_soc = %d, adjust delta = %d\n", __func__, di->real_soc, di->suspend_temp_soc - relax_soc);
+ if (relax_soc < now_temp_soc) {
+ if (di->suspend_temp_soc - relax_soc <= 5)
+ di->real_soc = di->real_soc - (di->suspend_temp_soc - relax_soc);
+ else if (di->suspend_temp_soc - relax_soc <= 10)
+ di->real_soc = di->real_soc - 5;
+ else
+ di->real_soc = di->real_soc - (di->suspend_temp_soc - relax_soc)/2;
+ } else {
+ now_current = _get_average_current(di);
+ soc_time = di->fcc*3600/100/(abs_int(now_current));/*1% time cost*/
+ min = soc_time / 60;
+ if (sleep_min > min)
+ di->real_soc--;
+ }
+
+ DBG("<%s>. new_temp_soc=%d, new_real_soc=%d, new_remain_cap=%d\n", __func__, _get_soc(di), di->real_soc, di->remain_capacity);
}
-static int _get_vcalib0(struct battery_info *di)
+
+static int _copy_soc(struct battery_info *di, u8 save_soc)
{
+ u8 soc;
- int ret;
- int temp = 0;
+ soc = save_soc;
+ battery_write(di->rk818, SOC_REG, &soc, 1);
+ return 0;
+}
+
+static bool support_uboot_charge(void)
+{
+ return support_uboot_chrg?true:false;
+}
+
+static int _rsoc_init(struct battery_info *di)
+{
+ u8 pwron_soc;
+ u8 init_soc;
+ u32 remain_capacity;
+ u8 last_shtd_time;
+ u8 curr_shtd_time;
+#ifdef SUPPORT_USB_CHARGE
+ int otg_status;
+#else
u8 buf;
-#if 1
- ret = battery_read(di->rk818,VCALIB0_REGL, &buf, 1);
- temp = buf;
- ret = battery_read(di->rk818,VCALIB0_REGH, &buf, 1);
- temp |= buf<<8;
#endif
- //ret = battery_read(di->rk818,VCALIB0_REGH, &buf,2);
- //temp = (buf[0]<<8)|buf[1];
+ di->voltage = rk_battery_voltage(di);
+ di->voltage_ocv = _get_OCV_voltage(di);
+ DBG("OCV voltage = %d\n" , di->voltage_ocv);
+
+ if (_is_first_poweron(di)) {
+ _save_FCC_capacity(di, di->design_capacity);
+ di->fcc = _get_FCC_capacity(di);
+
+ _voltage_to_capacity(di, di->voltage_ocv);
+ di->real_soc = di->temp_soc;
+ di->nac = di->temp_nac;
+ DBG("<%s>.this is first poweron: OCV-SOC = %d, OCV-CAPACITY = %d, FCC = %d\n", __func__, di->real_soc, di->nac, di->fcc);
+
+ } else {
+ battery_read(di->rk818, SOC_REG, &pwron_soc, 1);
+ init_soc = pwron_soc;
+ DBG("<%s>this is NOT first poweron.SOC_REG = %d\n", __func__, pwron_soc);
+
+#ifdef SUPPORT_USB_CHARGE
+ otg_status = dwc_otg_check_dpdm();
+ if ((pwron_soc == 0) && (otg_status == 1)) { /*usb charging*/
+ init_soc = 1;
+ battery_write(di->rk818, SOC_REG, &init_soc, 1);
+ }
+#else
+ battery_read(di->rk818, VB_MOD_REG, &buf, 1);
+ if ((pwron_soc == 0) && ((buf&PLUG_IN_STS) != 0)) {
+ init_soc = 1;
+ battery_write(di->rk818, SOC_REG, &init_soc, 1);
+ }
+#endif
+ remain_capacity = _get_remain_capacity(di);
+
+ if (support_uboot_charge())
+ goto out;
+
+ battery_read(di->rk818, NON_ACT_TIMER_CNT_REG, &curr_shtd_time, 1);
+ battery_read(di->rk818, NON_ACT_TIMER_CNT_REG_SAVE, &last_shtd_time, 1);
+ battery_write(di->rk818, NON_ACT_TIMER_CNT_REG_SAVE, &curr_shtd_time, 1);
+ DBG("<%s>, now_shtd_time = %d, last_shtd_time = %d, otg_status = %d\n", __func__, curr_shtd_time, last_shtd_time, otg_status);
+
+ //if (!support_uboot_charge()) {
+ {
+ _voltage_to_capacity(di, di->voltage_ocv);
+ DBG("<%s>Not first pwron, real_remain_cap = %d, ocv-remain_cp=%d\n", __func__, remain_capacity, di->temp_nac);
+
+ /* if plugin, make sure current shtd_time different from last_shtd_time.*/
+ if (last_shtd_time != curr_shtd_time) {
+
+ if (curr_shtd_time > 30) {
+ remain_capacity = di->temp_nac;
+ DBG("<%s>shutdown_time > 30 minute, remain_cap = %d\n", __func__, remain_capacity);
+
+ } else if ((curr_shtd_time > 5) && (abs32_int(di->temp_soc - init_soc) >= 10)) {
+ if (remain_capacity >= di->temp_nac*120/100)
+ remain_capacity = di->temp_nac*110/100;
+ else if (remain_capacity < di->temp_nac*8/10)
+ remain_capacity = di->temp_nac*9/10;
+
+ DBG("<%s> shutdown_time > 3 minute, remain_cap = %d\n", __func__, remain_capacity);
+ }
+ }
+ }
+out:
+ di->real_soc = init_soc;
+ di->nac = remain_capacity;
+ if (di->nac <= 0)
+ di->nac = 0;
+ DBG("<%s> init_soc = %d, init_capacity=%d\n", __func__, di->real_soc, di->nac);
+ }
+ return 0;
+}
+
+
+static u8 get_charge_status(struct battery_info *di)
+{
+ u8 status;
+ u8 ret = 0;
+
+ battery_read(di->rk818, SUP_STS_REG, &status, 1);
+ status &= (0x70);
+ switch (status) {
+ case CHARGE_OFF:
+ ret = CHARGE_OFF;
+ DBG(" CHARGE-OFF ...\n");
+ break;
+
+ case DEAD_CHARGE:
+ ret = DEAD_CHARGE;
+ DBG(" DEAD CHARGE ...\n");
+ break;
+
+ case TRICKLE_CHARGE: /* (0x02 << 4) */
+ ret = DEAD_CHARGE;
+ DBG(" TRICKLE CHARGE ...\n ");
+ break;
+
+ case CC_OR_CV: /* (0x03 << 4) */
+ ret = CC_OR_CV;
+ DBG(" CC or CV ...\n");
+ break;
+
+ case CHARGE_FINISH: /* (0x04 << 4) */
+ ret = CHARGE_FINISH;
+ DBG(" CHARGE FINISH ...\n");
+ break;
+
+ case USB_OVER_VOL: /* (0x05 << 4) */
+ ret = USB_OVER_VOL;
+ DBG(" USB OVER VOL ...\n");
+ break;
+
+ case BAT_TMP_ERR: /* (0x06 << 4) */
+ ret = BAT_TMP_ERR;
+ DBG(" BAT TMP ERROR ...\n");
+ break;
+
+ case TIMER_ERR: /* (0x07 << 4) */
+ ret = TIMER_ERR;
+ DBG(" TIMER ERROR ...\n");
+ break;
+
+ case USB_EXIST: /* (1 << 1)// usb is exists */
+ ret = USB_EXIST;
+ DBG(" USB EXIST ...\n");
+ break;
+
+ case USB_EFF: /* (1 << 0)// usb is effective */
+ ret = USB_EFF;
+ DBG(" USB EFF...\n");
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return ret;
+
+}
+static void set_charge_current(struct battery_info *di, int charge_current)
+{
+ u8 usb_ctrl_reg;
+
+ battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ usb_ctrl_reg &= (~0x0f);/* (VLIM_4400MV | ILIM_1200MA) |(0x01 << 7); */
+ usb_ctrl_reg |= (charge_current);
+ battery_write(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
+}
+
+static void fg_match_param(struct battery_info *di, int chg_vol, int chg_ilim, int chg_cur)
+{
+ int i;
+
+ di->chg_v_lmt = CHRG_VOL4200;
+ di->chg_i_lmt = ILIM_1750MA;
+ di->chg_i_cur = CHRG_CUR1400mA;
+
+ for (i=0; i<ARRAY_SIZE(CHG_V_LMT); i++){
+ if (chg_vol < CHG_V_LMT[i])
+ break;
+ else
+ di->chg_v_lmt = (i << CHG_VOL_SHIFT);
+ }
+
+ for (i=0; i<ARRAY_SIZE(CHG_I_LMT); i++){
+ if (chg_ilim < CHG_I_LMT[i])
+ break;
+ else
+ di->chg_i_lmt = (i << CHG_ILIM_SHIFT);
+ }
+
+ for (i=0; i<ARRAY_SIZE(CHG_I_CUR); i++){
+ if (chg_cur < CHG_I_CUR[i])
+ break;
+ else
+ di->chg_i_cur = (i << CHG_ICUR_SHIFT);
+ }
+ DBG("vol = 0x%x, i_lim = 0x%x, cur=0x%x\n",
+ di->chg_v_lmt, di->chg_i_lmt, di->chg_i_cur);
+}
+
+static void rk_battery_charger_init(struct battery_info *di)
+{
+ u8 chrg_ctrl_reg1, usb_ctrl_reg, chrg_ctrl_reg2, chrg_ctrl_reg3;
+ u8 sup_sts_reg;
+
+ int chg_vol = di->rk818->battery_data->max_charger_voltagemV;
+ int chg_cur = di->rk818->battery_data->max_charger_currentmA;
+ int chg_ilim = di->rk818->battery_data->max_charger_ilimitmA;
+ fg_match_param(di, chg_vol, chg_ilim, chg_cur);
+ battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
+ battery_read(di->rk818, SUP_STS_REG, &sup_sts_reg, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG3, &chrg_ctrl_reg3, 1);
+
+ DBG("old usb_ctrl_reg = 0x%2x, CHRG_CTRL_REG1 = 0x%2x\n ", usb_ctrl_reg, chrg_ctrl_reg1);
+ usb_ctrl_reg &= (~0x0f);
+#ifdef SUPPORT_USB_CHARGE
+ usb_ctrl_reg |= (ILIM_450MA);
+#else
+ usb_ctrl_reg |= (di->chg_i_lmt);
+#endif
+ chrg_ctrl_reg1 &= (0x00);
+ chrg_ctrl_reg1 |= (CHRG_EN) | (di->chg_v_lmt | di->chg_i_cur);
- DBG("%s voltage0 offset vale is %d\n",__FUNCTION__, temp);
- return temp;
+ chrg_ctrl_reg3 |= CHRG_TERM_DIG_SIGNAL;/* digital finish mode*/
+ chrg_ctrl_reg2 &= ~(0xc0);
+ chrg_ctrl_reg2 |= FINISH_100MA;
+
+ sup_sts_reg &= ~(0x01 << 3);
+ sup_sts_reg |= (0x01 << 2);
+
+ battery_write(di->rk818, CHRG_CTRL_REG3, &chrg_ctrl_reg3, 1);
+ battery_write(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ battery_write(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ battery_write(di->rk818, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
+ battery_write(di->rk818, SUP_STS_REG, &sup_sts_reg, 1);
+
+ debug_reg(di, CHRG_CTRL_REG1, "CHRG_CTRL_REG1");
+ debug_reg(di, SUP_STS_REG, "SUP_STS_REG");
+ debug_reg(di, USB_CTRL_REG, "USB_CTRL_REG");
+ debug_reg(di, CHRG_CTRL_REG1, "CHRG_CTRL_REG1");
+
+ DBG("%s end\n", __func__);
}
-static int _get_vcalib1(struct battery_info *di)
+void charge_disable_open_otg(int value)
{
+ struct battery_info *di = g_battery;
- int ret;
- int temp = 0;
- u8 buf;
- #if 1
- ret = battery_read(di->rk818,VCALIB1_REGL, &buf, 1);
- temp = buf;
- ret = battery_read(di->rk818,VCALIB1_REGH, &buf, 1);
- temp |= buf<<8;
- #endif
- //ret = battery_read(di->rk818,VCALIB1_REGH, &buf, 2);
- //temp = (buf[0]<<8)|buf[1];
- DBG("%s voltage1 offset vale is %d\n",__FUNCTION__, temp);
- return temp;
+ if (value == 1) {
+ DBG("charge disable, enable OTG.\n");
+ rk818_set_bits(di->rk818, CHRG_CTRL_REG1, 1 << 7, 0 << 7);
+ rk818_set_bits(di->rk818, 0x23, 1 << 7, 1 << 7); /* enable OTG */
+ }
+ if (value == 0) {
+ DBG("charge enable, disable OTG.\n");
+ rk818_set_bits(di->rk818, 0x23, 1 << 7, 0 << 7); /* disable OTG */
+ rk818_set_bits(di->rk818, CHRG_CTRL_REG1, 1 << 7, 1 << 7);
+ }
}
-static void _get_voltage_offset_value(struct battery_info *di)
+static void low_waring_init(struct battery_info *di)
{
- int vcalib0,vcalib1;
+ u8 vb_mon_reg;
+ u8 vb_mon_reg_init;
- vcalib0 = _get_vcalib0(di);
- vcalib1 = _get_vcalib1(di);
+ battery_read(di->rk818, VB_MOD_REG, &vb_mon_reg, 1);
- di->voltage_k = (4200 - 3000)/(vcalib1 - vcalib0);
- di->voltage_b = 4200 - di->voltage_k*vcalib1;
-
- return;
+ /* 2.8v~3.5v, interrupt */
+ vb_mon_reg_init = (((vb_mon_reg | (1 << 4)) & (~0x07)) | 0x06); /* 3400mV*/
+ battery_write(di->rk818, VB_MOD_REG, &vb_mon_reg_init, 1);
}
-static int _get_ioffset(struct battery_info *di)
+static int set_low_power_interrupt(struct battery_info *di)
{
-
int ret;
- int temp = 0;
u8 buf;
- ret = battery_read(di->rk818,IOFFSET_REGL, &buf, 1);
- temp = buf;
- ret = battery_read(di->rk818,IOFFSET_REGH, &buf, 1);
- temp |= buf<<8;
+ ret = battery_read(di->rk818, RK818_VB_MON_REG, &buf, 1);
+ buf =(buf&0xE8)|(1<<3)|0x110;
+ ret = battery_write(di->rk818, RK818_VB_MON_REG, &buf, 1);
- //ret = battery_read(di->rk818,IOFFSET_REGH, &buf, 2);
- //temp = (buf[0]<<8)|buf[1];
-
- DBG("%s IOFFSET value is %d\n", __FUNCTION__, temp);
- return temp;
+ return 0;
+
}
-static int _set_cal_offset(struct battery_info *di, u32 value)
+//set power off voltage 3.0v
+static int set_low_power_shutdown(struct battery_info *di)
{
int ret;
- int temp = 0;
u8 buf;
- DBG("%s\n",__FUNCTION__);
- buf = value&0xff;
- ret = battery_write(di->rk818, CAL_OFFSET_REGL, &buf, 1); //enable
- buf = (value >> 8)&0xff;
- ret = battery_write(di->rk818, CAL_OFFSET_REGH, &buf, 1); //enable
- DBG("%s set CAL_OFFSET_REG %d\n",__FUNCTION__, temp);
- return 0;
-}
+ ret = battery_read(di->rk818, RK818_VB_MON_REG, &buf, 1);
+ buf =(buf&0xE8)|0x10 ;
+ ret = battery_write(di->rk818, RK818_VB_MON_REG, &buf, 1);
-static bool _is_first_poweron(struct battery_info * di)
-{
- u8 buf;
- u8 temp;
- u8 ret;
-
- ret = battery_read(di->rk818,GGSTS, &buf, 1);
- DBG("%s GGSTS value is %2x \n", __FUNCTION__, buf );
- if( buf&BAT_CON){
- buf &=~(BAT_CON);
- do{
- battery_write(di->rk818,GGSTS, &buf, 1);
- battery_read(di->rk818,GGSTS, &temp, 1);
- }while(temp&BAT_CON);
- return true;
- }
- return false;
+ return 0;
}
-
-#if 0
-static bool fg_check_relaxed(struct battery_info * di)//(struct cell_state *cell)
+static void fg_init(struct battery_info *di)
{
- struct cell_state *cell = &di->cell;
+ u8 adc_ctrl_val;
- struct timeval now;
-
- if (!cell->sleep) {
- if (abs_int(di->current_avg) <=
- cell->config->ocv->sleep_enter_current) {
- if (cell->sleep_samples < MAX_UINT8)
- cell->sleep_samples++;
-
- if (cell->sleep_samples >=
- cell->config->ocv->sleep_enter_samples) {
- /* Entering sleep mode */
- do_gettimeofday(&cell->sleep_timer);
- do_gettimeofday(&cell->el_sleep_timer);
- cell->sleep = true;
- cell->calibrate = true;
- }
- } else {
- cell->sleep_samples = 0;
- }
- } else {
- /* The battery cell is Sleeping, checking if need to exit
- sleep mode count number of seconds that cell spent in
- sleep */
- do_gettimeofday(&now);
- cell->cumulative_sleep +=
- now.tv_sec + cell->el_sleep_timer.tv_sec;
- do_gettimeofday(&cell->el_sleep_timer);
+ adc_ctrl_val = 0x30;
+ battery_write(di->rk818, ADC_CTRL_REG, &adc_ctrl_val, 1);
- /* Check if we need to reset Sleep */
- if (abs_int(di->current_avg) >
- cell->config->ocv->sleep_exit_current) {
+ _gauge_enable(di);
+ /* get the volatege offset */
+ _get_voltage_offset_value(di);
+ rk_battery_charger_init(di);
+ _set_relax_thres(di);
+ /* get the current offset , the value write to the CAL_OFFSET */
+ di->current_offset = _get_ioffset(di);
+ _set_cal_offset(di, di->current_offset+42);
+ _rsoc_init(di);
+ _capacity_init(di, di->nac);
- if (abs_int(di->current_avg) >
- cell->config->ocv->sleep_exit_current) {
+ di->remain_capacity = _get_realtime_capacity(di);
+ di->current_avg = _get_average_current(di);
- if (cell->sleep_samples < MAX_UINT8)
- cell->sleep_samples++;
+ low_waring_init(di);
+ restart_relax(di);
+ power_on_save(di, di->voltage_ocv);
+ /* set sample time for cal_offset interval*/
+ ioffset_sample_time(di, SAMP_TIME_8MIN);
+ set_low_power_shutdown(di);
+ dump_gauge_register(di);
+ dump_charger_register(di);
+ DBG("<%s> :\n"
+ "nac = %d , remain_capacity = %d\n"
+ "OCV_voltage = %d, voltage = %d\n"
+ "SOC = %d, fcc = %d\n, current=%d",
+ __func__,
+ di->nac, di->remain_capacity,
+ di->voltage_ocv, di->voltage,
+ di->real_soc, di->fcc, di->current_avg);
+}
+
+
+/* int R_soc, D_soc, r_soc, zq, k, Q_err, Q_ocv; */
+static void zero_get_soc(struct battery_info *di)
+{
+ int dead_voltage, ocv_voltage;
+ int temp_soc = -1, real_soc;
+ int currentold, currentnow, voltage;
+ int i;
+ int voltage_k;
+ int count_num = 0;
+ int q_ocv;
+ int soc_time;
+
+ DBG("\n\n+++++++zero mode++++++display soc+++++++++++\n");
+ do {
+ currentold = _get_average_current(di);
+ _get_cal_offset(di);
+ _get_ioffset(di);
+ msleep(100);
+ currentnow = _get_average_current(di);
+ count_num++;
+ } while ((currentold == currentnow) && (count_num < 11));
+
+ voltage = 0;
+ for (i = 0; i < 10 ; i++)
+ voltage += rk_battery_voltage(di);
+ voltage /= 10;
+
+ if (di->voltage_old == 0)
+ di->voltage_old = voltage;
+ voltage_k = voltage;
+ voltage = (di->voltage_old*2 + 8*voltage)/10;
+ di->voltage_old = voltage;
+ currentnow = _get_average_current(di);
+
+ dead_voltage = 3400 + abs32_int(currentnow)*(di->bat_res+65)/1000;
+ /* 65 mo power-path mos */
+ ocv_voltage = voltage + abs32_int(currentnow)*di->bat_res/1000;
+ DBG("ZERO: dead_voltage(shtd) = %d, ocv_voltage(now) = %d\n",
+ dead_voltage, ocv_voltage);
+
+ _voltage_to_capacity(di, dead_voltage);
+ di->q_dead = di->temp_nac;
+ DBG("ZERO: dead_voltage_soc = %d, q_dead = %d\n",
+ di->temp_soc, di->q_dead);
+
+ _voltage_to_capacity(di, ocv_voltage);
+ q_ocv = di->temp_nac;
+ DBG("ZERO: ocv_voltage_soc = %d, q_ocv = %d\n",
+ di->temp_soc, q_ocv);
+
+ /*[Q_err]: Qerr, [temp_nac]:check_voltage_nac*/
+ di->q_err = di->remain_capacity - q_ocv;
+ DBG("q_err=%d, [remain_capacity]%d - [q_ocv]%d",
+ di->q_err, di->remain_capacity, q_ocv);
+
+ if (di->display_soc == 0)
+ di->display_soc = di->real_soc*1000;
+ real_soc = di->display_soc;
+
+ DBG("remain_capacity = %d, q_dead = %d, q_err = %d\n",
+ di->remain_capacity, di->q_dead, di->q_err);
+ /*[temp_nac]:dead_voltage*/
+ if (q_ocv > di->q_dead) {
+ DBG("first: q_ocv > di->q_dead\n");
+
+ if (di->update_k == 0 || di->update_k >= 10) {
+ if (di->update_k == 0) {
+ DBG("[K == 0]\n");
+ /* ZQ = Q_ded + Qerr */
+ /*[temp_nac]:dead_voltage*/
+ di->q_shtd = di->q_dead + di->q_err;
+ temp_soc = (di->remain_capacity - di->q_shtd)*
+ 1000/di->fcc;
+ if (temp_soc == 0)
+ di->update_k = 0;
+ else
+ di->line_k = (real_soc + temp_soc/2)
+ /temp_soc;
} else {
- cell->sleep_samples = 0;
+ DBG("[K >= 10].\n");
+ temp_soc = ((di->remain_capacity - di->q_shtd)*
+ 1000 + di->fcc/2)/di->fcc; /* x1 10 */
+
+ real_soc = (di->line_k*temp_soc); /*y1=k0*x1*/
+ di->display_soc = real_soc;
+ DBG("[K >= 10]. (temp_soc)X0 = %d\n", temp_soc);
+ DBG("[K >= 10]. in:line_k = %d\n", di->line_k);
+ DBG("[K >= 10]. (dis-soc)Y0=%d,real-soc=%d\n",
+ di->display_soc, di->real_soc);
+
+ if ((real_soc+500)/1000 < di->real_soc){
+ di->real_soc--;
+ di->odd_capacity = 0;
+ }
+ else if (((real_soc+500))/1000 ==
+ di->real_soc) {
+ /*dec 1% LSB*/
+ real_soc -= di->odd_capacity;
+ if ((real_soc+500)/1000 <
+ di->real_soc) {
+ di->real_soc--;
+ di->odd_capacity = 0;
+ } else
+ di->odd_capacity +=
+ real_soc/3000+2;
+ DBG("[k >= 10]. odd_capacity=%d\n",
+ di->odd_capacity);
+ }else
+ di->odd_capacity = 0;
+ _voltage_to_capacity(di, dead_voltage);
+ di->q_dead = di->temp_nac;
+ di->q_shtd = di->q_dead + di->q_err;
+ temp_soc = ((di->remain_capacity - di->q_shtd)*
+ 1000 + di->fcc/2)/di->fcc; /* z1 */
+ if (temp_soc == 0)
+ di->update_k = 0;
+ else
+ di->line_k = (di->display_soc +
+ temp_soc/2)/temp_soc;
+ DBG("[K >= 10]. out:line_k = %d\n", di->line_k);
}
+ di->update_k = 1;
+ goto out;
+ }
- /* Check if we need to reset a Sleep timer */
- if (cell->sleep_samples >
- cell->config->ocv->sleep_exit_samples) {
- /* Exit sleep mode */
-
- cell->sleep_timer.tv_sec = 0;
- cell->sleep = false;
- cell->relax = false;
+ else { /*update_k[1~9]*/
+
+ di->update_k++;
+
+ DBG("[K1~9]\n");
+ temp_soc = ((di->remain_capacity - di->q_shtd)*
+ 1000 + di->fcc/2)/di->fcc;
+ di->display_soc = di->line_k*temp_soc;
+ DBG("[K1~9]. (temp_soc)X0 = %d\n", temp_soc);
+ DBG("[K1~9]. line_k = %d\n", di->line_k);
+ DBG("[K1~9]. (dis-soc)Y0=%d,real-soc=%d\n",
+ di->display_soc, di->real_soc);
+ if ((di->display_soc+500)/1000 < di->real_soc){
+ di->real_soc--;
+ di->odd_capacity = 0;
+ }
+ else if ((real_soc+500)/1000 == di->real_soc) {
+ /*dec 1% LSB*/
+ real_soc -= di->odd_capacity;
+ if ((real_soc+500)/1000 < di->real_soc) {
+ di->real_soc--;
+ di->odd_capacity = 0;
+ } else
+ di->odd_capacity += real_soc/3000+2;
+ DBG("[K1~9]. odd_capacity=%d\n",
+ di->odd_capacity);
+ }else
+ di->odd_capacity = 0;
+ }
+ } else {
+ DBG("second: q_ocv < di->q_dead\n");
+ di->update_k++;
+ if ((di->voltage < 3400) && (di->real_soc > 10)) {
+ /*di->real_soc = 10;*/
+
+ } else if (di->voltage < 3400) {
+ /*10 -(3.4-Vbat)*100*I*/
+ if (di->current_avg < 1000)
+ soc_time = 10-((3400-di->voltage)/10*
+ abs32_int(di->current_avg))/1000;
+
+ DBG("<%s>. ZERO: decrease sec = %d\n",
+ __func__, soc_time/2);
+ if (di->update_k > soc_time/2) {
+ di->update_k = 0;
+ di->real_soc--;
}
} else {
- cell->sleep_samples = 0;
-
- if (!cell->relax) {
-
- if (now.tv_sec-cell->sleep_timer.tv_sec >
- cell->config->ocv->relax_period) {
- cell->relax = true;
- cell->calibrate = true;
- }
+ if (di->update_k > 10) {
+ di->update_k = 0;
+ di->real_soc--;
}
}
}
-
- return cell->relax;
+out:
+ if (di->line_k <= 0) {
+ reset_zero_var(di);
+ DBG("ZERO: line_k <= 0, Update line_k!\n");
+ }
+
+ DBG("ZERO: update_k=%d, odd_cap=%d\n", di->update_k, di->odd_capacity);
+ DBG("ZERO: q_ocv - q_dead=%d\n", (q_ocv-di->q_dead));
+ DBG("ZERO: remain_cap - q_shtd=%d\n",
+ (di->remain_capacity - di->q_shtd));
+ DBG("ZERO: (line_k)K0 = %d,(disp-soc)Y0 = %d, (temp_soc)X0 = %d\n",
+ di->line_k, di->display_soc, temp_soc);
+ DBG("ZERO: remain_capacity=%d, q_shtd(nac)=%d, q_err(Q_rm-q_ocv)=%d\n",
+ di->remain_capacity, di->q_shtd, di->q_err);
+ DBG("ZERO: Warn_voltage=%d,temp_soc=%d,real_soc=%d\n\n",
+ di->warnning_voltage, _get_soc(di), di->real_soc);
}
-/* Checks for right conditions for OCV correction */
-static bool fg_can_ocv(struct battery_info * di)//(struct cell_state *cell)
+
+static int estimate_bat_ocv_vol(struct battery_info *di)
{
- struct cell_state *cell = &di->cell;
-#if 1
- /* Voltage should be stable */
- if (cell->config->ocv->voltage_diff <= diff_array(av_v, AV_SIZE))
- return false;
+ return (di->voltage -
+ (di->bat_res * di->current_avg) / 1000);
+}
- /* Current should be stable */
- if (cell->config->ocv->current_diff <= diff_array(av_c, AV_SIZE))
- return false;
-#endif
- /* SOC should be out of Flat Zone */
- if ((di->real_soc>= cell->config->ocv->flat_zone_low)
- && (di->real_soc <= cell->config->ocv->flat_zone_high))
- return false;
+static int estimate_bat_ocv_soc(struct battery_info *di)
+{
+ int ocv_soc, ocv_voltage;
+
+ ocv_voltage = estimate_bat_ocv_vol(di);
+ _voltage_to_capacity(di, ocv_voltage);
+ ocv_soc = di->temp_soc;
- /* Current should be less then SleepEnterCurrent */
- if (abs_int(di->current_avg) >= cell->config->ocv->sleep_enter_current)
- return false;
+ return ocv_soc;
+}
- /* Don't allow OCV below EDV1, unless OCVbelowEDV1 is set */
- //if (cell->edv1 && !cell->config->ocv_below_edv1)
- // return false;
+static void rsoc_dischrg_calib(struct battery_info *di)
+{
+ int ocv_soc = di->est_ocv_soc;
+ int ocv_volt = di->est_ocv_vol;
+ int temp_soc = _get_soc(di);
+ int max_volt = di->rk818->battery_data->max_charger_voltagemV;
- return true;
-}
+ if (ocv_volt > max_volt)
+ goto out;
-#endif
+ if (di->discharge_min >= RSOC_CALIB_DISCHGR_TIME) {
+ if ((ocv_soc-temp_soc >= RSOC_DISCHG_ERR_LOWER) ||
+ (di->temp_soc == 0) ||
+ (temp_soc-ocv_soc >= RSOC_DISCHG_ERR_UPPER)) {
-/* Sets the battery Voltage, and recalculates the average voltage */
-void fg_set_voltage(int16_t voltage)
-{
- int16_t i;
- int32_t tmp = 0;
+ di->err_chck_cnt++;
+ di->err_soc_sum += ocv_soc;
+ } else
+ goto out;
- /* put voltage reading int the buffer and update average */
- av_v_index++;
- av_v_index %= AV_SIZE;
- av_v[av_v_index] = voltage;
- for (i = 0; i < AV_SIZE; i++)
- tmp += av_v[i];
-}
+ DBG("<%s>. rsoc err_chck_cnt = %d\n",
+ __func__, di->err_chck_cnt);
+ DBG("<%s>. rsoc err_soc_sum = %d\n",
+ __func__, di->err_soc_sum);
+ if (di->err_chck_cnt >= RSOC_ERR_CHCK_CNT) {
-/* Sets the battery Current, and recalculates the average current */
-void fg_set_current( int16_t cur)
-{
- int16_t i;
- int32_t tmp = 0;
+ ocv_soc = di->err_soc_sum / RSOC_ERR_CHCK_CNT;
+ if (temp_soc-ocv_soc >= RSOC_DISCHG_ERR_UPPER)
+ ocv_soc += RSOC_COMPS;
- /* put current reading int the buffer and update average */
- av_c_index++;
- av_c_index %= AV_SIZE;
- av_c[av_c_index] = cur;
- for (i = 0; i < AV_SIZE; i++)
- tmp += av_c[i];
+ di->temp_nac = ocv_soc * di->fcc / 100;
+ _capacity_init(di, di->temp_nac);
+ di->temp_soc = _get_soc(di);
+ di->remain_capacity = _get_realtime_capacity(di);
+ di->err_soc_sum = 0;
+ di->err_chck_cnt = 0;
+ DBG("<%s>. update: rsoc = %d\n", __func__, ocv_soc);
+ }
+ } else {
+out:
+ di->err_chck_cnt = 0;
+ di->err_soc_sum = 0;
+ }
}
-static int _copy_soc(struct battery_info * di, u8 save_soc)
+static void rsoc_realtime_calib(struct battery_info *di)
{
- u8 soc;
+ u8 status = di->status;
- soc = save_soc;
- //soc = 85;
- battery_write(di->rk818, SOC_REG, &soc, 1);
- battery_read(di->rk818, SOC_REG, &soc, 1);
- DBG(" the save soc-reg = %d \n", soc);
-
- return 0;
-}
+ if ((status == POWER_SUPPLY_STATUS_CHARGING) ||
+ (status == POWER_SUPPLY_STATUS_FULL)) {
-static int _rsoc_init(struct battery_info * di)
-{
- int vol;
- u8 temp;
- u32 remain_capacity;
-
- vol = di->voltage_ocv; //_get_OCV_voltage(di);
- DBG("OCV voltage = %d\n" , di->voltage_ocv);
- if(_is_first_poweron(di)){
+ if ((di->current_avg < -10) &&
+ (di->charge_status != CHARGE_FINISH))
+ rsoc_dischrg_calib(di);
+ /*
+ else
+ rsoc_chrg_calib(di);
+ */
- DBG(" %s this is first poweron\n", __FUNCTION__);
- _voltage_to_capacity(di, di->voltage_ocv);
- di->real_soc = di->temp_soc;
- di->nac = di->temp_nac;
- }else{
- DBG(" %s this is not not not first poweron\n", __FUNCTION__);
- battery_read(di->rk818,SOC_REG, &temp, 1);
- remain_capacity = _get_remain_capacity(di);
- if(remain_capacity >= di->qmax)
- remain_capacity = di->qmax;
- DBG("saved SOC_REG = 0x%8x\n", temp);
- DBG("saved remain_capacity = %d\n", remain_capacity);
-
-
- di->real_soc = temp;
- //di->nac = di->fcc*temp/100;
- di->nac = remain_capacity;
+ } else if (status == POWER_SUPPLY_STATUS_DISCHARGING) {
+ rsoc_dischrg_calib(di);
}
- return 0;
}
-static int _get_soc(struct battery_info *di)
+static bool do_ac_charger_emulator(struct battery_info *di)
{
+ int delta_soc = di->temp_soc - di->real_soc;
+ u32 soc_time;
- return di->remain_capacity * 100 / di->fcc;
+ if ((di->charge_status != CHARGE_FINISH)
+ && (di->ac_online)
+ && (delta_soc >= DSOC_CHRG_FAST_EER_RANGE)){
+
+ soc_time = di->fcc*3600/100/(abs_int(DSOC_CHRG_EMU_CURR));
+ di->emu_chg_cnt++;
+ if (di->emu_chg_cnt > soc_time) {
+ di->real_soc++;
+ di->emu_chg_cnt = 0;
+ }
+ DBG("<%s>. soc_time=%d, emu_cnt=%d\n",
+ __func__, soc_time, di->emu_chg_cnt);
+
+ return true;
+ }
+
+ return false;
}
-static u8 get_charge_status(struct battery_info * di)
+static bool do_term_chrg_cali(struct battery_info *di)
{
- u8 status;
- u8 ret =0;
-
- battery_read(di->rk818, SUP_STS_REG, &status, 1);
- DBG("%s ----- SUP_STS_REG(0xA0) = 0x%02x\n", __FUNCTION__, status);
- status &= ~(0x07<<4);
- switch(status){
- case CHARGE_OFF:
- ret = CHARGE_OFF;
- break;
- case DEAD_CHARGE:
- ret = DEAD_CHARGE;
- break;
- case TRICKLE_CHARGE:// (0x02<<4)
- ret = DEAD_CHARGE;
- break;
- case CC_OR_CV: // (0x03<<4)
- ret = CC_OR_CV;
- break;
- case CHARGE_FINISH:// (0x04<<4)
- ret = CHARGE_FINISH;
- break;
+ u32 soc_time;
- case USB_OVER_VOL:// (0x05<<4)
- ret = USB_OVER_VOL;
- break;
+ if (di->ac_online &&
+ (di->real_soc >= 90)&&
+ (di->current_avg > 600)){
- case BAT_TMP_ERR:// (0x06<<4)
- ret = BAT_TMP_ERR;
- break;
+ soc_time = di->fcc*3600/100/(abs32_int(DSOC_CHG_TERM_CURR));
+ di->term_chg_cnt++;
+ if (di->term_chg_cnt > soc_time) {
+ di->real_soc++;
+ di->term_chg_cnt = 0;
+ }
+ DBG("<%s>. soc_time=%d, term_cnt=%d\n",
+ __func__, soc_time, di->term_chg_cnt);
- case TIMER_ERR:// (0x07<<4)
- ret = TIMER_ERR;
- break;
+ return true;
+ }
+
+ return false;
+}
- case USB_EXIST:// (1<<1)// usb is exists
- ret = USB_EXIST;
- break;
+static void voltage_to_soc_discharge_smooth(struct battery_info *di)
+{
+ int voltage;
+ int now_current, soc_time = -1;
+ int volt_to_soc;
+ int delta_soc = di->real_soc - di->temp_soc;
+
+ voltage = di->voltage;
+ now_current = di->current_avg;
+ if (now_current == 0)
+ now_current = 1;
+
+ if (delta_soc > DSOC_DISCHRG_FAST_EER_RANGE){
+ soc_time = DSOC_DISCHRG_FAST_DEC_SEC;
+ DBG("<%s>. dsoc decrease fast! delta_soc = %d\n",
+ __func__, delta_soc);
+ } else
+ soc_time = di->fcc*3600/100/(abs_int(now_current));
+ _voltage_to_capacity(di, 3800);
+ volt_to_soc = di->temp_soc;
+ di->temp_soc = _get_full_soc(di);
+
+ DBG("<%s>. 3.8v ocv_to_soc = %d\n", __func__, volt_to_soc);
+ DBG("<%s>. di->temp_soc = %d, di->real_soc = %d\n", __func__, di->temp_soc, di->real_soc);
+ if ((di->voltage < 3800) || (di->voltage > 3800 && di->real_soc < volt_to_soc)) { /* di->warnning_voltage) */
+ zero_get_soc(di);
+ return;
+
+ } else if (di->temp_soc == di->real_soc) {
+ DBG("<%s>. di->temp_soc == di->real_soc\n", __func__);
+ } else if (di->temp_soc > di->real_soc) {
+ DBG("<%s>. di->temp_soc > di->real_soc\n", __func__);
+ di->vol_smooth_time++;
+ if (di->vol_smooth_time > soc_time*3/2) {
+ di->real_soc--;
+ di->vol_smooth_time = 0;
+ }
- case USB_EFF:// (1<<0)// usb is effective
- ret = USB_EFF;
- break;
- default:
- return -EINVAL;
+ } else {
+ DBG("<%s>. di->temp_soc < di->real_soc\n", __func__);
+ if (di->real_soc == (di->temp_soc + 1)) {
+ di->change_timer = di->soc_timer;
+ di->real_soc = di->temp_soc;
+ } else {
+ di->vol_smooth_time++;
+ //low power speed
+ if(di->temp_soc<5){
+ if (di->vol_smooth_time > soc_time*1/4) {
+ di->real_soc--;
+ di->vol_smooth_time = 0;
+ }
+ }else{
+ if (di->vol_smooth_time > soc_time*3/4) {
+ di->real_soc--;
+ di->vol_smooth_time = 0;
+ }
+ }
+ }
}
+ reset_zero_var(di);
+ DBG("<%s>, di->temp_soc = %d, di->real_soc = %d\n", __func__, di->temp_soc, di->real_soc);
+ DBG("<%s>, di->vol_smooth_time = %d, soc_time = %d\n", __func__, di->vol_smooth_time, soc_time);
+}
+
+static int get_charging_time(struct battery_info *di)
+{
+ return (di->charging_time/60);
+}
+
+static int get_discharging_time(struct battery_info *di)
+{
+ return (di->discharging_time/60);
+}
+
+static int get_finish_time(struct battery_info *di)
+{
+ return (di->finish_time/60);
+}
+
+static void dump_debug_info(struct battery_info *di)
+{
+ u8 sup_tst_reg, ggcon_reg, ggsts_reg, vb_mod_reg;
+ u8 usb_ctrl_reg, chrg_ctrl_reg1;
+ u8 chrg_ctrl_reg2, chrg_ctrl_reg3, rtc_val;
+
+ battery_read(di->rk818, GGCON, &ggcon_reg, 1);
+ battery_read(di->rk818, GGSTS, &ggsts_reg, 1);
+ battery_read(di->rk818, SUP_STS_REG, &sup_tst_reg, 1);
+ battery_read(di->rk818, VB_MOD_REG, &vb_mod_reg, 1);
+ battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG3, &chrg_ctrl_reg3, 1);
+ battery_read(di->rk818, 0x00, &rtc_val, 1);
+
+ DBG("\n------------- dump_debug_regs -----------------\n"
+ "GGCON = 0x%2x, GGSTS = 0x%2x, RTC = 0x%2x\n"
+ "SUP_STS_REG = 0x%2x, VB_MOD_REG = 0x%2x\n"
+ "USB_CTRL_REG = 0x%2x, CHRG_CTRL_REG1 = 0x%2x\n"
+ "CHRG_CTRL_REG2 = 0x%2x, CHRG_CTRL_REG3 = 0x%2x\n\n",
+ ggcon_reg, ggsts_reg, rtc_val,
+ sup_tst_reg, vb_mod_reg,
+ usb_ctrl_reg, chrg_ctrl_reg1,
+ chrg_ctrl_reg2, chrg_ctrl_reg3
+ );
+
+ DBG(
+ "########################## [read] ################################\n"
+ "-----------------------------------------------------------------\n"
+ "realx-voltage = %d, voltage = %d, current-avg = %d\n"
+ "fcc = %d, remain_capacity = %d, ocv_volt = %d\n"
+ "check_ocv = %d, check_soc = %d, bat_res = %d\n"
+ "diplay_soc = %d, cpapacity_soc = %d\n"
+ "AC-ONLINE = %d, USB-ONLINE = %d, charging_status = %d\n"
+ "finish_real_soc = %d, finish_temp_soc = %d\n"
+ "chrg_time = %d, dischrg_time = %d, finish_time = %d\n",
+ get_relax_voltage(di),
+ di->voltage, di->current_avg,
+ di->fcc, di->remain_capacity, _get_OCV_voltage(di),
+ di->est_ocv_vol, di->est_ocv_soc, di->bat_res,
+ di->real_soc, _get_soc(di),
+ di->ac_online, di->usb_online, di->status,
+ di->debug_finish_real_soc, di->debug_finish_temp_soc,
+ get_charging_time(di), get_discharging_time(di), get_finish_time(di)
+ );
+ get_charge_status(di);
+ DBG("################################################################\n");
+}
+
+static void update_fcc_capacity(struct battery_info *di)
+{
+ if ((di->charge_status == CHARGE_FINISH) && (di->dod0_status == 1)) {
+ if (get_level(di) >= di->dod0_level) {
+ di->fcc = (di->remain_capacity - di->dod0_capacity)*100/(100-di->dod0);
+ if (di->fcc > di->qmax)
+ di->fcc = di->qmax;
+
+ _capacity_init(di, di->fcc);
+ _save_FCC_capacity(di, di->fcc);
+ }
+ di->dod0_status = 0;
+ }
+}
- return ret;
-
+static void debug_get_finish_soc(struct battery_info *di)
+{
+ if (di->charge_status == CHARGE_FINISH) {
+ di->debug_finish_real_soc = di->real_soc;
+ di->debug_finish_temp_soc = di->temp_soc;
+ }
}
-static void rk818_battery_charger_init(struct battery_info *di)
+static void wait_charge_finish_signal(struct battery_info *di)
{
- u8 chrg_ctrl_reg1,usb_ctrl_reg;// chrg_ctrl_reg2;
- u8 sup_sts_reg;
-
+ if (di->charge_status == CHARGE_FINISH)
+ update_fcc_capacity(di);/* save new fcc*/
- DBG("%s start\n",__FUNCTION__);
+ /* debug msg*/
+ debug_get_finish_soc(di);
+}
- battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
- battery_read(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
-// battery_read(di->rk818, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
- battery_read(di->rk818, SUP_STS_REG, &sup_sts_reg, 1);
+static void charge_finish_routine(struct battery_info *di)
+{
+ if ((di->charge_status == CHARGE_FINISH)&&
+ (di->finish_min >= 1)) {
+ _capacity_init(di, di->fcc);
+ zero_current_calibration(di);
- DBG("old usb_ctrl_reg =0x%2x,CHRG_CTRL_REG1=0x%2x\n ",usb_ctrl_reg, chrg_ctrl_reg1);
- //usb_ctrl_reg &= (0x01<<7);
- usb_ctrl_reg |= (VLIM_4400MV | ILIM_1200MA)|(0x01<<7);
-
- chrg_ctrl_reg1 &= (0x00);
- chrg_ctrl_reg1 |=(0x01<<7)| (CHRG_VOL4200| CHRG_CUR1400mA);
-
- sup_sts_reg &= ~(0x01<<3);
- sup_sts_reg |= (0x01<<2);
+ if (di->real_soc < 100) {
+ DBG("<%s>,CHARGE_FINISH di->real_soc < 100, real_soc=%d\n", __func__, di->real_soc);
+ if ((di->soc_counter < 80)) {
+ di->soc_counter++;
+ } else {
+ di->soc_counter = 0;
+ di->real_soc++;
+ }
+ }
+ }
+}
- battery_write(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
-
- battery_write(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
- //battery_write(di->rk818, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
- battery_write(di->rk818, SUP_STS_REG, &sup_sts_reg, 1);
+static void voltage_to_soc_charge_smooth(struct battery_info *di)
+{
+ int now_current, soc_time;
-
- battery_read(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
-// battery_read(di->rk818, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
- battery_read(di->rk818, SUP_STS_REG, &sup_sts_reg, 1);
- battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
- DBG(" new usb_ctrl_reg =0x%2x,CHRG_CTRL_REG1=0x%2x, SUP_STS_REG=0x%2x\n ",
- usb_ctrl_reg, chrg_ctrl_reg1,sup_sts_reg);
+ reset_zero_var(di);
+ /*calibrate: aim to match finish signal*/
+ if (do_term_chrg_cali(di))
+ return;
- DBG("%s end\n",__FUNCTION__);
+ /*calibrate: aim to calib error*/
+ di->term_chg_cnt = 0;
+ if (do_ac_charger_emulator(di))
+ return;
-}
+ di->emu_chg_cnt = 0;
+ now_current = _get_average_current(di);
+ if (now_current == 0)
+ now_current = 1;
-extern int rk818_set_bits(struct rk818 *rk818, u8 reg, u8 mask, u8 val);
+ soc_time = di->fcc*3600/100/(abs_int(now_current)); /* 1% time; */
+ di->temp_soc = _get_soc(di);
-void charge_disable_open_otg(struct battery_info *di, int value )
-{
-// u8 chrg_ctrl_reg1,dcdc_en_reg;
- if(value == 1){
- DBG("1 ---- charge disable \n");
- rk818_set_bits(di->rk818, CHRG_CTRL_REG1, 1 << 7, 0<< 7); //ldo9
- rk818_set_bits(di->rk818, 0x23, 1 << 7, 1 << 7); //ldo9
+ DBG("<%s>. di->temp_soc = %d, di->real_soc = %d\n", __func__, di->temp_soc, di->real_soc);
+
+ if (di->real_soc == di->temp_soc) {
+ DBG("<%s>. di->temp_soc == di->real_soc\n", __func__);
+ di->temp_soc = _get_soc(di);
}
- if(value == 0){
- DBG("1 ---- charge disable \n");
- rk818_set_bits(di->rk818, 0x23, 1 << 7, 0 << 7); //ldo9
- rk818_set_bits(di->rk818, CHRG_CTRL_REG1, 1 << 7, 1 << 7); //ldo9
+ if ((di->temp_soc != di->real_soc) && (now_current != 0)) {
+
+ if (di->temp_soc < di->real_soc + 1) {
+ DBG("<%s>. di->temp_soc < di->real_soc\n", __func__);
+ di->charge_smooth_time++;
+ if (di->charge_smooth_time > soc_time*3/2) {
+ di->real_soc++;
+ di->charge_smooth_time = 0;
+ }
+ di->charge_smooth_status = true;
+ }
+
+ else if (di->temp_soc > di->real_soc + 1) {
+ DBG("<%s>. di->temp_soc > di->real_soc\n", __func__);
+ di->charge_smooth_time++;
+ if (di->charge_smooth_time > soc_time*3/4) {
+ di->real_soc++;
+ di->charge_smooth_time = 0;
+ }
+ di->charge_smooth_status = true;
+
+ } else if (di->temp_soc == di->real_soc + 1) {
+ DBG("<%s>. di->temp_soc == di->real_soc + 1\n", __func__);
+ if (di->charge_smooth_status) {
+ di->charge_smooth_time++;
+ if (di->charge_smooth_time > soc_time*3/4) {
+ di->real_soc = di->temp_soc;
+ di->charge_smooth_time = 0;
+ di->charge_smooth_status = false;
+ }
+
+ } else {
+ di->real_soc = di->temp_soc;
+ di->charge_smooth_status = false;
+
+ }
+ }
}
+ DBG("<%s>, di->temp_soc = %d, di->real_soc = %d\n", __func__, di->temp_soc, di->real_soc);
+ DBG("<%s>, di->vol_smooth_time = %d, soc_time = %d\n", __func__, di->charge_smooth_time, soc_time);
}
-static void fg_init(struct battery_info *di)
+static void rk_battery_display_smooth(struct battery_info *di)
{
- DBG("%s start\n",__FUNCTION__);
- _gauge_enable(di);
- _get_voltage_offset_value(di); //get the volatege offset
-// _autosleep_enable(di);
- rk818_battery_charger_init(di);
-// _set_relax_thres(di);
- di->current_offset = _get_ioffset(di); //get the current offset , the value write to the CAL_OFFSET
- _set_cal_offset(di,di->current_offset+42);
-
- di->voltage = rk818_battery_voltage(di);
- di->voltage_ocv = _get_OCV_voltage(di);
- _rsoc_init( di);
- _capacity_init(di, di->nac);
-// _get_realtime_capacity( di);
- di->remain_capacity = _get_capacity(di);
- // _get_realtime_capacity( di);
- do_gettimeofday(&di->soc_timer);
- di->change_timer = di->soc_timer;
+ int status;
+ u8 charge_status;
+
+ status = di->status;
+ charge_status = di->charge_status;
+ if ((status == POWER_SUPPLY_STATUS_CHARGING) || (status == POWER_SUPPLY_STATUS_FULL)) {
+
+ if ((di->current_avg < -10) && (charge_status != CHARGE_FINISH))
+ voltage_to_soc_discharge_smooth(di);
+ else
+ voltage_to_soc_charge_smooth(di);
+
+ } else if (status == POWER_SUPPLY_STATUS_DISCHARGING) {
+ voltage_to_soc_discharge_smooth(di);
+ if (di->real_soc == 1) {
+ di->time2empty++;
+ if (di->time2empty >= 200)
+ di->real_soc = 0;
+ } else {
+ di->time2empty = 0;
+ }
+ }
+
+}
+
#if 0
- for (i = 0; i < AV_SIZE; i++) {
- av_v[i] = di->voltage;
- av_c[i] = 0;
+static void software_recharge(struct battery_info *di, int max_cnt)
+{
+ static int recharge_cnt;
+ u8 chrg_ctrl_reg1;
+
+ if ((CHARGE_FINISH == get_charge_status(di)) && (rk_battery_voltage(di) < 4100) && (recharge_cnt < max_cnt)) {
+ battery_read(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ chrg_ctrl_reg1 &= ~(1 << 7);
+ battery_write(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ DBG("recharge, clear bit7, CHRG_CTRL_REG1 = 0x%x\n", chrg_ctrl_reg1);
+ msleep(400);
+ chrg_ctrl_reg1 |= (1 << 7);
+ battery_write(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ battery_read(di->rk818, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ DBG("recharge, set bit7, CHRG_CTRL_REG1 = 0x%x\n", chrg_ctrl_reg1);
+
+ recharge_cnt++;
}
- av_v_index = 0;
- av_c_index = 0;
+}
#endif
- dump_gauge_register(di);
- dump_charger_register(di);
- DBG("nac =%d , remain_capacity = %d \n"
- " OCV_voltage =%d, voltage =%d \n",
- di->nac, di->remain_capacity,
- di->voltage_ocv, di->voltage);
+
+#if 0
+static int estimate_battery_resister(struct battery_info *di)
+{
+ int i;
+ int avr_voltage1 = 0, avr_current1;
+ int avr_voltage2 = 0, avr_current2;
+ u8 usb_ctrl_reg;
+ int bat_res, ocv_votage;
+ static unsigned long last_time;
+ unsigned long delta_time;
+ int charge_ocv_voltage1, charge_ocv_voltage2;
+ int charge_ocv_soc1, charge_ocv_soc2;
+
+ delta_time = get_seconds() - last_time;
+ DBG("<%s>--- delta_time = %lu\n", __func__, delta_time);
+ if (delta_time >= 20) {/*20s*/
+
+ /*first sample*/
+ set_charge_current(di, ILIM_450MA);/*450mA*/
+ msleep(1000);
+ for (i = 0; i < 10 ; i++) {
+ msleep(100);
+ avr_voltage1 += rk_battery_voltage(di);
+ }
+ avr_voltage1 /= 10;
+ avr_current1 = _get_average_current(di);
+ battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ DBG("------------------------------------------------------------------------------------------\n");
+ DBG("avr_voltage1 = %d, avr_current1 = %d, USB_CTRL_REG = 0x%x\n", avr_voltage1, avr_current1, usb_ctrl_reg);
+
+ /*second sample*/
+ set_charge_current(di, ILIM_3000MA);
+ msleep(1000);
+ for (i = 0; i < 10 ; i++) {
+ msleep(100);
+ avr_voltage2 += rk_battery_voltage(di);
+ }
+ avr_voltage2 /= 10;
+ avr_current2 = _get_average_current(di);
+ battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ DBG("avr_voltage2 = %d, avr_current2 = %d, USB_CTRL_REG = 0x%x\n", avr_voltage2, avr_current2, usb_ctrl_reg);
+
+ /*calc resister and ocv_votage ocv*/
+ bat_res = (avr_voltage1 - avr_voltage2)*1000/(avr_current1 - avr_current2);
+ ocv_votage = avr_voltage1 - (bat_res * avr_current1) / 1000;
+ DBG("bat_res = %d, OCV = %d\n", bat_res, ocv_votage);
+
+ /*calc sample voltage ocv*/
+ charge_ocv_voltage1 = avr_voltage1 - avr_current1*200/1000;
+ charge_ocv_voltage2 = avr_voltage2 - avr_current2*200/1000;
+ _voltage_to_capacity(di, charge_ocv_voltage1);
+ charge_ocv_soc1 = di->temp_soc;
+ _voltage_to_capacity(di, charge_ocv_voltage2);
+ charge_ocv_soc2 = di->temp_soc;
+
+ DBG("charge_ocv_voltage1 = %d, charge_ocv_soc1 = %d\n", charge_ocv_voltage1, charge_ocv_soc1);
+ DBG("charge_ocv_voltage2 = %d, charge_ocv_soc2 = %d\n", charge_ocv_voltage2, charge_ocv_soc2);
+ DBG("------------------------------------------------------------------------------------------\n");
+ last_time = get_seconds();
+
+ return bat_res;
+ }
+
+ return 0;
}
+#endif
#if 0
-static int capacity_changed(struct battery_info *di)
+static int update_battery_resister(struct battery_info *di)
{
- s32 acc_value, samples = 0;
- int ret;
- int acc_q;
-
-// fg_set_voltage(&di->cell, di->voltage_mV);
- //fg_set_current(&di->cell, (int16_t)(di->current_uA/1000));
+ int tmp_res;
+ if ((get_charging_time(di) > 5) && (!di->bat_res_updated)) {/*charge at least 8min*/
- return 0;
+ if ((di->temp_soc >= 80) && (di->bat_res_update_cnt < 10)) {
+ tmp_res = estimate_battery_resister(di);
+ if (tmp_res != 0)
+ di->bat_res_update_cnt++;
+ di->bat_res += tmp_res;
+ DBG("<%s>. tmp_bat_res = %d, bat_res_update_cnt = %d\n", __func__, tmp_res, di->bat_res_update_cnt);
+ if (di->bat_res_update_cnt == 10) {
+ di->bat_res_updated = true;
+ di->bat_res /= 10;
+ }
+ DBG("<%s>. bat_res = %d, bat_res_update_cnt = %d\n", __func__, di->bat_res, di->bat_res_update_cnt);
+ }
+ }
+
+ return tmp_res;
}
+#endif
+
+#if 0
+static void charge_soc_check_routine(struct battery_info *di)
+{
+ int min;
+ int ocv_voltage;
+ int old_temp_soc;
+ int ocv_temp_soc;
+ int remain_capcity;
+
+ if (di->status == POWER_SUPPLY_STATUS_CHARGING) {
+ min = get_charging_time(di);
+ update_battery_resister(di);
+ if (0)
+ if ((min >= 30) && (di->bat_res_updated)) {
+
+ old_temp_soc = di->temp_soc;
+ ocv_voltage = di->voltage + di->bat_res*abs(di->current_avg);
+ _voltage_to_capacity(di, ocv_voltage);
+ ocv_temp_soc = di->temp_soc;
+
+ DBG("<%s>. charge_soc_updated_point0 = %d, charge_soc_updated_point1 = %d\n", __func__, di->charge_soc_updated_point0, di->charge_soc_updated_point1);
+ DBG("<%s>. ocv_voltage = %d, ocv_soc = %d\n", __func__, ocv_voltage, ocv_temp_soc);
+ DBG("<%s>. voltage = %d, temp_soc = %d\n", __func__, di->voltage, old_temp_soc);
+
+ if (abs32_int(ocv_temp_soc - old_temp_soc) > 10)
+ di->temp_soc = ocv_temp_soc;
+ else
+ di->temp_soc = old_temp_soc*50/100 + ocv_temp_soc*50/100;
+
+ remain_capcity = di->temp_soc * di->fcc / 100;
+ _capacity_init(di, remain_capcity);
+ di->remain_capacity = _get_realtime_capacity(di);
+ DBG("<%s>. old_temp_soc = %d, updated_temp_soc = %d\n", __func__, old_temp_soc, di->temp_soc);
+ }
+ }
-static void rk818_battery_info(struct battery_info *di)
-{
- //di->status = rk818_battery_status(di);
- //di->voltage = rk818_battery_voltage(di);
- di->present = rk818_battery_present(di);
- di->bat_current = _get_average_current(di);
- di->temp_soc= rk818_battery_soc(di);
- di->tempreture =rk818_battery_temperature(di);
- di->health = rk818_battery_health(di);
}
#endif
-static void rk818_battery_display_smooth(struct battery_info *di)
+#if 1
+static void update_resume_status_relax_voltage(struct battery_info *di)
{
- int status;
+ unsigned long sleep_soc;
+ unsigned long sum_sleep_soc;
+ unsigned long sleep_sec;
+ int relax_voltage;
u8 charge_status;
-// int relaxmode_soc;
-// int coulomp_soc, soc;
-
- status = di->status;
- if(status == POWER_SUPPLY_STATUS_CHARGING){
- //DBG("charging smooth ... \n");
- if(1){
- //DBG(" BATTERY NOT RELAX MODE \n");
- DBG("di->remain_capacity =%d, di->fcc = %d\n", di->remain_capacity,di->fcc);
- di->temp_soc = _get_soc(di);
- charge_status = get_charge_status( di);
- if(di->temp_soc >= 100){
- di->temp_soc = 100;
- //di->status = POWER_SUPPLY_STATUS_FULL;
+ int delta_capacity;
+ int delta_soc;
+ int sum_sleep_avr_current;
+ int sleep_min;
+
+ if (di->resume) {
+ update_battery_info(di);
+ di->resume = false;
+ di->sys_wakeup = true;
+
+ DBG("<%s>, resume----------checkstart\n", __func__);
+ sleep_sec = get_seconds() - di->suspend_time_start;
+ sleep_min = sleep_sec / 60;
+
+ DBG("<%s>, resume, sleep_sec(s) = %lu, sleep_min = %d\n",
+ __func__, sleep_sec, sleep_min);
+
+ if (di->sleep_status == POWER_SUPPLY_STATUS_DISCHARGING) {
+ DBG("<%s>, resume, POWER_SUPPLY_STATUS_DISCHARGING\n", __func__);
+
+ delta_capacity = di->suspend_capacity - di->remain_capacity;
+ delta_soc = di->suspend_temp_soc - _get_soc(di);
+ di->dischrg_sum_sleep_capacity += delta_capacity;
+ di->dischrg_sum_sleep_sec += sleep_sec;
+
+ sum_sleep_soc = di->dischrg_sum_sleep_capacity * 100 / di->fcc;
+ sum_sleep_avr_current = di->dischrg_sum_sleep_capacity * 3600 / di->dischrg_sum_sleep_sec;
+
+ DBG("<%s>, resume, suspend_capacity=%d, resume_capacity=%d, real_soc = %d\n",
+ __func__, di->suspend_capacity, di->remain_capacity, di->real_soc);
+ DBG("<%s>, resume, delta_soc=%d, delta_capacity=%d, sum_sleep_avr_current=%d mA\n",
+ __func__, delta_soc, delta_capacity, sum_sleep_avr_current);
+ DBG("<%s>, resume, sum_sleep_soc=%lu, dischrg_sum_sleep_capacity=%lu, dischrg_sum_sleep_sec=%lu\n",
+ __func__, sum_sleep_soc, di->dischrg_sum_sleep_capacity, di->dischrg_sum_sleep_sec);
+ DBG("<%s>, relax_voltage=%d, voltage = %d\n", __func__, di->relax_voltage, di->voltage);
+
+ /*large suspend current*/
+ if (sum_sleep_avr_current > 20) {
+ sum_sleep_soc = di->dischrg_sum_sleep_capacity * 100 / di->fcc;
+ di->real_soc -= sum_sleep_soc;
+ DBG("<%s>. resume, sleep_avr_current is Over 20mA, sleep_soc = %lu, updated real_soc = %d\n",
+ __func__, sum_sleep_soc, di->real_soc);
+
+ /* small suspend current*/
+ } else if ((sum_sleep_avr_current >= 0) && (sum_sleep_avr_current <= 20)) {
+
+ relax_voltage = get_relax_voltage(di);
+ di->voltage = rk_battery_voltage(di);
+
+ if ((sleep_min >= 30) && (relax_voltage > di->voltage)) { /* sleep_min >= 30, update by relax voltage*/
+ DBG("<%s>, resume, sleep_min > 30 min\n", __func__);
+ relax_volt_update_remain_capacity(di, relax_voltage, sleep_sec);
+
+ } else {
+ DBG("<%s>, resume, sleep_min < 30 min\n", __func__);
+ if (sum_sleep_soc > 0)
+ di->real_soc -= sum_sleep_soc;
+ }
}
-
- do_gettimeofday(&di->soc_timer);
- if(di->temp_soc!= di->real_soc){
- di->change_timer = di->soc_timer;
- if(di->real_soc < di->temp_soc)
- di->real_soc++;
- else
- di->real_soc =di->temp_soc;
+ if ((sum_sleep_soc > 0) || (sleep_min >= 30)) { /*Íê³ÉÁËÒ»´ÎrelaxУ׼*/
+ di->dischrg_sum_sleep_capacity = 0;
+ di->dischrg_sum_sleep_sec = 0;
}
+ DBG("<%s>--------- resume DISCHARGE end\n", __func__);
+ DBG("<%s>. dischrg_sum_sleep_capacity = %lu, dischrg_sum_sleep_sec = %lu\n", __func__, di->dischrg_sum_sleep_capacity, di->dischrg_sum_sleep_sec);
+ }
- // DBG("charge_status =0x%x\n", charge_status);
- if((charge_status ==CHARGE_FINISH) && (di->real_soc < 100)){
- DBG("CHARGE_FINISH di->real_soc < 100 \n ");
- if((di->soc_counter < 10)){
- di->soc_counter ++;
- }else{
- di->soc_counter = 0;
- if(di->real_soc < 100){
- di->real_soc ++;
- // _save_rsoc_nac( di);
+ else if (di->sleep_status == POWER_SUPPLY_STATUS_CHARGING) {
+ DBG("<%s>, resume, POWER_SUPPLY_STATUS_CHARGING\n", __func__);
+ if ((di->suspend_charge_current >= 0) || (get_charge_status(di) == CHARGE_FINISH)) {
+ di->temp_soc = _get_soc(di);
+ charge_status = get_charge_status(di);
+
+ DBG("<%s>, resume, ac-online = %d, usb-online = %d, sleep_current=%d\n", __func__, di->ac_online, di->usb_online, di->suspend_charge_current);
+ if (((di->suspend_charge_current < 800) && (di->ac_online == 1)) || (charge_status == CHARGE_FINISH)) {
+ DBG("resume, sleep : ac online charge current < 1000\n");
+ if (sleep_sec > 0) {
+ di->count_sleep_time += sleep_sec;
+ sleep_soc = 1000*di->count_sleep_time*100/3600/di->fcc;
+ DBG("<%s>, resume, sleep_soc=%lu, real_soc=%d\n", __func__, sleep_soc, di->real_soc);
+ if (sleep_soc > 0)
+ di->count_sleep_time = 0;
+ di->real_soc += sleep_soc;
+ if (di->real_soc > 100)
+ di->real_soc = 100;
}
+ } else {
+
+ DBG("<%s>, usb charging\n", __func__);
+ if (di->suspend_temp_soc + 15 < di->temp_soc)
+ di->real_soc += (di->temp_soc - di->suspend_temp_soc)*3/2;
+ else
+ di->real_soc += (di->temp_soc - di->suspend_temp_soc);
}
- }
+ DBG("POWER_SUPPLY_STATUS_CHARGING: di->temp_soc = %d, di->real_soc = %d, sleep_time = %ld\n ", di->temp_soc , di->real_soc, sleep_sec);
+ }
}
- if(di->real_soc <= 0)
- di->real_soc = 0;
- if(di->real_soc >= 100){
- di->real_soc = 100;
- di->status = POWER_SUPPLY_STATUS_FULL;
- }
-
}
- if(status == POWER_SUPPLY_STATUS_DISCHARGING){
- //DBG("discharging smooth ... \n");
- di->temp_soc = _get_soc(di);
- do_gettimeofday(&di->soc_timer);
- if(di->temp_soc!= di->real_soc){
- di->change_timer = di->soc_timer;
- di->real_soc = di->temp_soc;
- // _save_rsoc_nac( di);
- }
- if(di->real_soc <= 0)
- di->real_soc = 0;
- if(di->real_soc >= 100){
- di->real_soc = 100;
- }
-#if 0
- if(!_is_relax_mode( di)){
- DBG(" BATTERY NOT RELAX MODE \n");
- di->temp_soc = _get_soc(di);
- do_gettimeofday(&di->soc_timer);
- if(di->temp_soc!= di->real_soc){
- di->change_timer = di->soc_timer;
- di->real_soc = di->temp_soc;
- _save_rsoc_nac( di);
- }
+}
+#endif
- }else{
- DBG("BATTERY RELAX MODE\n ");
- //relaxmode_soc = relax_soc(di);
- coulomp_soc = _get_soc(di);
- soc =coulomp_soc;// (coulomp_soc*20 + relaxmode_soc*80)/100;
+#ifdef SUPPORT_USB_CHARGE
+static int get_charging_status_type(struct battery_info *di)
+{
+ int otg_status = dwc_otg_check_dpdm();
- if((soc > di->real_soc)&&(di->soc_counter < 10)){
- di->soc_counter ++;
+ if (0 == otg_status) {
+ di->usb_online = 0;
+ di->ac_online = 1;
+ di->check_count = 0;
- }else{
- di->soc_counter = 0;
- if(di->real_soc < 100){
- di->real_soc --;
- _save_rsoc_nac( di);
- }
+ } else if (1 == otg_status) {
+ if (0 == get_gadget_connect_flag()) {
+ if (++di->check_count >= 5) {
+ di->ac_online = 1;
+ di->usb_online = 0;
+ } else {
+ di->ac_online = 0;
+ di->usb_online = 1;
}
- DBG(" remaxmode_soc = %d , coulomp-soc =%d soc = %d\n",relaxmode_soc, coulomp_soc, soc);
+ } else {
+ di->ac_online = 0;
+ di->usb_online = 1;
}
-#endif
-
- }
- //DBG("%s exit \n", __FUNCTION__);
-}
-
-static void rk818_battery_update_status(struct battery_info *di)
-{
- di->voltage = rk818_battery_voltage( di);
- di->current_avg = _get_average_current(di);
- di->remain_capacity = _get_realtime_capacity( di);
- _get_capacity(di);
+ } else if (2 == otg_status) {
+ di->ac_online = 1;
+ di->usb_online = 0;
+ di->check_count = 0;
+ }
- rk818_battery_display_smooth(di);
-
- DBG("%s\n"
- "voltage = %d, current-avg = %d\n"
- "fcc = %d ,remain_capacity =%d\n"
- "real_soc = %d\n",
- __FUNCTION__,
- di->voltage, di->current_avg,
- di->fcc, di->remain_capacity,
- di->real_soc
- );
+ if (di->ac_online == 1)
+ set_charge_current(di, di->chg_i_lmt);
+ else
+ set_charge_current(di, ILIM_450MA);
+ return otg_status;
}
-extern int dwc_vbus_status(void);
-extern int get_gadget_connect_flag(void);
- //state of charge ----running
-static int get_charging_status(struct battery_info *di)
+#endif
+
+static void battery_poweron_status_init(struct battery_info *di)
{
+ int otg_status;
-////////////////////////////////////////////
-#if 0
- u8 usb_ctrl_reg;// chrg_ctrl_reg2;
-
+#ifndef SUPPORT_USB_CHARGE
+ u8 buf;
+#endif
+#ifdef SUPPORT_USB_CHARGE
- battery_read(di->rk818, USB_CTRL_REG, &usb_ctrl_reg, 1);
-// battery_read(di->rk818, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
+ otg_status = dwc_otg_check_dpdm();
+ if (otg_status == 1) {
+ di->usb_online = 1;
+ di->ac_online = 0;
+ set_charge_current(di, ILIM_450MA);
+ di->status = POWER_SUPPLY_STATUS_CHARGING;
+ DBG("++++++++ILIM_450MA++++++\n");
- DBG("old usb_ctrl_reg =0x%2x,CHRG_CTRL_REG1=0x%2x\n ",usb_ctrl_reg, chrg_ctrl_reg1);
- usb_ctrl_reg &= (0x01<<7);
- usb_ctrl_reg |= ( ILIM_300MA);
-#endif
-/////////////////////////////////////////
+ } else if (otg_status == 2) {
+ di->usb_online = 0;
+ di->ac_online = 1;
+ di->status = POWER_SUPPLY_STATUS_CHARGING;
+ set_charge_current(di, di->chg_i_lmt);
+ DBG("++++++++ILIM_1000MA++++++\n");
+ }
+ DBG(" CHARGE: SUPPORT_USB_CHARGE. charge_status = %d\n", otg_status);
-// struct rk30_adc_battery_platform_data *pdata = bat->pdata;
- int usb_status = 0; // 0--dischage ,1 ---usb charge, 2 ---ac charge
- int vbus_status = dwc_vbus_status();
- if (1 == vbus_status) {
- if (0 == get_gadget_connect_flag()){
- if (++di->check_count >= 5){
+#else
- di->ac_online = 1;
- di->usb_online = 0;
- }else{
- di->ac_online =0;
- di->usb_online = 1;
+ battery_read(di->rk818, VB_MOD_REG, &buf, 1);
+ if (buf&PLUG_IN_STS) {
+ di->ac_online = 1;
+ di->usb_online = 0;
+ di->status = POWER_SUPPLY_STATUS_CHARGING;
+ if (di->real_soc == 100)
+ di->status = POWER_SUPPLY_STATUS_FULL;
+ } else {
+ di->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ di->ac_online = 0;
+ di->usb_online = 0;
+ }
+ DBG(" CHARGE: NOT SUPPORT_USB_CHARGE\n");
+#endif
+}
+static void check_battery_status(struct battery_info *di)
+{
+ u8 buf;
+ int ret;
- }
- }else{
+ ret = battery_read(di->rk818, VB_MOD_REG, &buf, 1);
+#ifdef SUPPORT_USB_CHARGE
- di->ac_online =0;
- di->usb_online = 1;
+ if (strstr(saved_command_line, "charger")) {
+ if ((buf&PLUG_IN_STS) == 0) {
+ di->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ di->ac_online = 0;
+ di->usb_online = 0;
}
-
- }else{
- if (2 == vbus_status) {
- di->ac_online = 1;
- di->usb_online = 0;
- }else{
+ } else {
+ if (buf&PLUG_IN_STS) {
+ get_charging_status_type(di);
- di->ac_online = 0;
- di->usb_online = 0;
+ di->status = POWER_SUPPLY_STATUS_CHARGING;
+ if (di->real_soc == 100)
+ di->status = POWER_SUPPLY_STATUS_FULL;
+ } else {
+ di->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ di->ac_online = 0;
+ di->usb_online = 0;
}
- di->check_count=0;
+ }
+#else
+ if (buf & PLUG_IN_STS) {
+ di->ac_online = 1;
+ di->usb_online = 0;
+ di->status = POWER_SUPPLY_STATUS_CHARGING;
+ if (di->real_soc == 100)
+ di->status = POWER_SUPPLY_STATUS_FULL;
+ } else {
+ di->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ di->ac_online = 0;
+ di->usb_online = 0;
}
- return usb_status;
+#endif
+}
+static void last_check_report(struct battery_info *di)
+{
+/* high load: current < 0 with charger in.
+ * System will not shutdown when dsoc=0% with charging state(ac_online),
+ * which will cause over discharge, so oppose status.
+ */
+ static u32 time;
+
+ if ((di->real_soc == 0) && (di->status == POWER_SUPPLY_STATUS_CHARGING)
+ && di->current_avg < 0){
+ if (get_seconds() - time > 60){
+ di->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ di->ac_online = 0;
+ di->usb_online = 0;
+ }
+ DBG("dsoc=0, time=%ld\n", get_seconds() - time);
+ DBG("status=%d, ac_online=%d, usb_online=%d\n",
+ di->status, di->ac_online, di->usb_online);
+
+ } else
+ time = get_seconds();
+}
+
+static void report_power_supply_changed(struct battery_info *di)
+{
+ static u32 old_soc;
+ static u32 old_ac_status;
+ static u32 old_usb_status;
+ static u32 old_charge_status;
+ bool state_changed;
+
+ state_changed = false;
+ if (di->real_soc == 0)
+ state_changed = true;
+ else if (di->real_soc == 100)
+ state_changed = true;
+ else if (di->real_soc != old_soc)
+ state_changed = true;
+ else if (di->ac_online != old_ac_status)
+ state_changed = true;
+ else if (di->usb_online != old_usb_status)
+ state_changed = true;
+ else if (old_charge_status != di->status)
+ state_changed = true;
+
+ if (state_changed) {
+ power_supply_changed(&di->bat);
+ power_supply_changed(&di->usb);
+ power_supply_changed(&di->ac);
+ old_soc = di->real_soc;
+ old_ac_status = di->ac_online;
+ old_usb_status = di->usb_online;
+ old_charge_status = di->status;
+ }
}
-static void get_battery_status(struct battery_info *di)
+static void upd_time_table(struct battery_info *di)
{
+ u8 i;
+ static int old_index = 0;
+ static int old_min = 0;
+ u32 time;
+ int mod = di->real_soc % 10;
+ int index = di->real_soc / 10;
+
+ if (di->ac_online || di->usb_online)
+ time = di->charge_min;
+ else
+ time = di->discharge_min;
+
+ if ((mod == 0) && (index > 0) && (old_index != index)) {
+ di->chrg_min[index-1] = time - old_min;
+ old_min = time;
+ old_index = index;
+ }
- u8 buf;
- int ret;
- ret = battery_read(di->rk818,VB_MOD_REG, &buf, 1);
- //int vbus_status = dwc_vbus_status();
+ for (i=1; i<11; i++)
+ DBG("Time[%d]=%d, ", (i*10), di->chrg_min[i-1]);
+ DBG("\n");
- if(buf&PLUG_IN_STS){
- //if(vbus_status != 0){
- get_charging_status(di);
- di->status = POWER_SUPPLY_STATUS_CHARGING;
- // di->ac_online = 1;
- if(di->real_soc == 100)
- di->status = POWER_SUPPLY_STATUS_FULL;
- }
- else{
- di->status = POWER_SUPPLY_STATUS_DISCHARGING;
- di->ac_online =0;
- di->usb_online =0;
+}
+
+static void update_battery_info(struct battery_info *di)
+{
+ di->remain_capacity = _get_realtime_capacity(di);
+ if (di->remain_capacity > di->fcc)
+ _capacity_init(di, di->fcc);
+ if (di->real_soc > 100)
+ di->real_soc = 100;
+ else if (di->real_soc < 0)
+ di->real_soc = 0;
+
+ if ((di->ac_online) || (di->usb_online)) {/*charging*/
+ di->charging_time++;
+ di->discharging_time = 0;
+ } else {
+ di->charging_time = 0;
+ if (di->voltage < 3800)
+ di->discharging_time += 2;
+ else
+ di->discharging_time++;
}
- //DBG("%s ,di->status = %d\n",__FUNCTION__, di->status);
+ if (di->charge_status == CHARGE_FINISH)
+ di->finish_time++;
+ else
+ di->finish_time = 0;
+
+ di->charge_min = get_charging_time(di);
+ di->discharge_min = get_discharging_time(di);
+ di->finish_min = get_finish_time(di);
+
+ di->work_on = 1;
+ di->est_ocv_vol = estimate_bat_ocv_vol(di);
+ di->est_ocv_soc = estimate_bat_ocv_soc(di);
+ di->voltage = rk_battery_voltage(di);
+ di->current_avg = _get_average_current(di);
+ di->remain_capacity = _get_realtime_capacity(di);
+ di->voltage_ocv = _get_OCV_voltage(di);
+ di->charge_status = get_charge_status(di);
+ di->otg_status = dwc_otg_check_dpdm();
+ di->relax_voltage = get_relax_voltage(di);
+ di->temp_soc = _get_soc(di);
+ check_battery_status(di);/* ac_online, usb_online, status*/
+ update_cal_offset(di);
+ upd_time_table(di);
}
-static void rk818_battery_work(struct work_struct *work)
+static void rk_battery_work(struct work_struct *work)
{
- u8 buf;
struct battery_info *di = container_of(work,
- struct battery_info, battery_monitor_work.work);
- int vbus_status ;
- get_battery_status(di);
- battery_read(di->rk818,0x00, &buf, 1);
- DBG("RTC =0x%2x\n ", buf);
- battery_read(di->rk818,VB_MOD_REG, &buf, 1);
- //DBG("VB_MOD_REG =%2x, the value is %2x\n ", VB_MOD_REG,buf);
- battery_read(di->rk818,SUP_STS_REG, &buf, 1);
-// DBG("SUP_STS_REG =%2x, the value is %2x\n ", SUP_STS_REG,buf);
- vbus_status = dwc_vbus_status();
-// DBG("vbus_status =%2x\n ", vbus_status);
-
- rk818_battery_update_status(di);
-
- if(di ->resume){
- di ->resume = false;
- di->real_soc = _get_soc(di);
- if(di->real_soc <= 0)
- di->real_soc = 0;
- if(di->real_soc >= 100)
- di->real_soc = 100;
- }
- if ((di->ac_online == 0 )&&( di->usb_online ==0)&&(di->remain_capacity > di->qmax +10)){
- _capacity_init(di, di->qmax);
- di->remain_capacity = _get_realtime_capacity( di);
- }
-
- //DBG("soc = %d", di->real_soc);
- _copy_soc(di, di->real_soc);
+ struct battery_info, battery_monitor_work.work);
+
+ update_resume_status_relax_voltage(di);
+ wait_charge_finish_signal(di);
+ charge_finish_routine(di);
+
+ rk_battery_display_smooth(di);
+ update_battery_info(di);
+ rsoc_realtime_calib(di);
+ last_check_report(di);
+ report_power_supply_changed(di);
+ _copy_soc(di, di->real_soc);
_save_remain_capacity(di, di->remain_capacity);
- power_supply_changed(&di->bat);
-// power_supply_changed(&di->usb);
- power_supply_changed(&di->ac);
- queue_delayed_work(di->wq, &di->battery_monitor_work, msecs_to_jiffies(TIMER_MS_COUNTS*5));
+ dump_debug_info(di);
+ di->queue_work_cnt++;
+ queue_delayed_work(di->wq, &di->battery_monitor_work, msecs_to_jiffies(TIMER_MS_COUNTS));
}
-static void rk818_battery_charge_check_work(struct work_struct *work)
+static void rk_battery_charge_check_work(struct work_struct *work)
{
struct battery_info *di = container_of(work,
- struct battery_info, charge_check_work.work);
- charge_disable_open_otg(di,di->charge_otg);
+ struct battery_info, charge_check_work.work);
+
+ DBG("rk_battery_charge_check_work\n");
+ charge_disable_open_otg(di->charge_otg);
}
static BLOCKING_NOTIFIER_HEAD(battery_chain_head);
int battery_notifier_call_chain(unsigned long val)
{
return (blocking_notifier_call_chain(&battery_chain_head, val, NULL)
- == NOTIFY_BAD) ? -EINVAL : 0;
+ == NOTIFY_BAD) ? -EINVAL : 0;
}
EXPORT_SYMBOL_GPL(battery_notifier_call_chain);
+
+static void poweron_lowerpoer_handle(struct battery_info *di)
+{
+#ifdef CONFIG_LOGO_LOWERPOWER_WARNING
+ if ((di->real_soc <= 2) && (di->status == POWER_SUPPLY_STATUS_DISCHARGING)) {
+ mdelay(1500);
+ /* kernel_power_off(); */
+ }
+#endif
+}
+
static int battery_notifier_call(struct notifier_block *nb,
- unsigned long event, void *data)
+ unsigned long event, void *data)
{
- struct battery_info *di=
- container_of(nb, struct battery_info, battery_nb);
+ struct battery_info *di =
+ container_of(nb, struct battery_info, battery_nb);
switch (event) {
- case 0:
- DBG(" CHARGE enable \n");
- di ->charge_otg = 0;
- queue_delayed_work(di->wq, &di->charge_check_work, msecs_to_jiffies(50));
- break;
+ case 0:
+ DBG(" CHARGE enable\n");
+ di->charge_otg = 0;
+ queue_delayed_work(di->wq, &di->charge_check_work, msecs_to_jiffies(50));
+ break;
- case 1:
- di ->charge_otg = 1;
- queue_delayed_work(di->wq, &di->charge_check_work, msecs_to_jiffies(50));
+ case 1:
+ di->charge_otg = 1;
+ queue_delayed_work(di->wq, &di->charge_check_work, msecs_to_jiffies(50));
+ DBG("charge disable OTG enable\n");
+ break;
- DBG("charge disable OTG enable \n");
- break;
- default:
- return NOTIFY_OK;
- }
+ case 2:
+ poweron_lowerpoer_handle(di);
+ break;
+
+ default:
+ return NOTIFY_OK;
+ }
return NOTIFY_OK;
}
+
+static irqreturn_t rk818_vbat_lo_irq(int irq, void *di)
+{
+ pr_info("<%s>lower power warning!\n", __func__);
+
+ _copy_soc(g_battery, 0);
+ _capacity_init(g_battery, 0);
+ rk_send_wakeup_key();
+ kernel_power_off();
+ return IRQ_HANDLED;
+}
+
+static void disable_vbat_low_irq(struct battery_info *di)
+{
+ /* mask vbat low */
+ rk818_set_bits(di->rk818, 0x4d, (0x1 << 1), (0x1 << 1));
+ /*clr vbat low interrupt */
+ /* rk818_set_bits(di->rk818, 0x4c, (0x1 << 1), (0x1 << 1));*/
+}
+static void enable_vbat_low_irq(struct battery_info *di)
+{
+ /* clr vbat low interrupt */
+ rk818_set_bits(di->rk818, 0x4c, (0x1 << 1), (0x1 << 1));
+ /* mask vbat low */
+ rk818_set_bits(di->rk818, 0x4d, (0x1 << 1), (0x0 << 1));
+}
+
+static irqreturn_t rk818_vbat_plug_in(int irq, void *di)
+{
+ pr_info("\n------- %s:irq = %d\n", __func__, irq);
+ rk_send_wakeup_key();
+ return IRQ_HANDLED;
+}
+static irqreturn_t rk818_vbat_plug_out(int irq, void *di)
+{
+ pr_info("\n-------- %s:irq = %d\n", __func__, irq);
+ charge_disable_open_otg(0);
+ rk_send_wakeup_key();
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t rk818_vbat_charge_ok(int irq, void *di)
+{
+ pr_info("---------- %s:irq = %d\n", __func__, irq);
+ rk_send_wakeup_key();
+ return IRQ_HANDLED;
+}
+
+
+
+static int rk818_battery_sysfs_init(struct battery_info *di, struct device *dev)
+{
+ int ret;
+ int i;
+ struct kobject *rk818_fg_kobj;
+
+ ret = create_sysfs_interfaces(dev);
+ if (ret < 0) {
+ ret = -EINVAL;
+ dev_err(dev, "device RK818 battery sysfs register failed\n");
+ goto err_sysfs;
+ }
+
+ rk818_fg_kobj = kobject_create_and_add("rk818_battery", NULL);
+ if (!rk818_fg_kobj)
+ return -ENOMEM;
+ for (i = 0; i < ARRAY_SIZE(rk818_bat_attr); i++) {
+ ret = sysfs_create_file(rk818_fg_kobj, &rk818_bat_attr[i].attr);
+ if (ret != 0) {
+ dev_err(dev, "create rk818_battery node error\n");
+ goto err_sysfs;
+ }
+ }
+
+ return ret;
+
+err_sysfs:
+ power_supply_unregister(&di->ac);
+ power_supply_unregister(&di->usb);
+ power_supply_unregister(&di->bat);
+
+ return ret;
+}
+
+static void rk818_battery_irq_init(struct battery_info *di)
+{
+ int plug_in_irq, plug_out_irq, chg_ok_irq, vb_lo_irq;
+ int ret;
+ struct rk818 *chip = di->rk818;
+
+ vb_lo_irq = irq_create_mapping(chip->irq_domain, RK818_IRQ_VB_LO);
+ plug_in_irq = irq_create_mapping(chip->irq_domain, RK818_IRQ_PLUG_IN);
+ plug_out_irq = irq_create_mapping(chip->irq_domain, RK818_IRQ_PLUG_OUT);
+ chg_ok_irq = irq_create_mapping(chip->irq_domain, RK818_IRQ_CHG_OK);
+
+ ret = request_threaded_irq(vb_lo_irq, NULL, rk818_vbat_lo_irq,
+ IRQF_TRIGGER_HIGH, "rk818_vbatlow", chip);
+ if (ret != 0)
+ dev_err(chip->dev, "vb_lo_irq request failed!\n");
+
+ di->irq = vb_lo_irq;
+ enable_irq_wake(di->irq);
+ disable_vbat_low_irq(di);
+
+ ret = request_threaded_irq(plug_in_irq, NULL, rk818_vbat_plug_in,
+ IRQF_TRIGGER_RISING, "rk818_vbat_plug_in", chip);
+ if (ret != 0)
+ dev_err(chip->dev, "plug_in_irq request failed!\n");
+
+
+ ret = request_threaded_irq(plug_out_irq, NULL, rk818_vbat_plug_out,
+ IRQF_TRIGGER_FALLING, "rk818_vbat_plug_out", chip);
+ if (ret != 0)
+ dev_err(chip->dev, "plug_out_irq request failed!\n");
+
+
+ ret = request_threaded_irq(chg_ok_irq, NULL, rk818_vbat_charge_ok,
+ IRQF_TRIGGER_RISING, "rk818_vbat_charge_ok", chip);
+ if (ret != 0)
+ dev_err(chip->dev, "chg_ok_irq request failed!\n");
+}
+
+static void battery_info_init(struct battery_info *di, struct rk818 *chip)
+{
+ int fcc_capacity;
+ u8 i;
+ di->rk818 = chip;
+ g_battery = di;
+ di->platform_data = chip->battery_data;
+ di->cell.config = di->platform_data->cell_cfg;
+ di->design_capacity = di->platform_data->cell_cfg->design_capacity;
+ di->qmax = di->platform_data->cell_cfg->design_qmax;
+ di->fcc = di->design_capacity;
+ di->vol_smooth_time = 0;
+ di->charge_smooth_time = 0;
+ di->charge_smooth_status = false;
+ di->sleep_status = 0;
+ di->work_on = 0;
+ di->sys_wakeup = true;
+ di->pcb_ioffset = 0;
+ di->pcb_ioffset_updated = false;
+ di->queue_work_cnt = 0;
+ di->update_k = 0;
+ di->voltage_old = 0;
+ di->display_soc = 0;
+ di->bat_res = 0;
+ di->bat_res_updated = false;
+ di->resume = false;
+ di->sys_wakeup = true;
+ di->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ di->finish_min = 0;
+ di->charge_min = 0;
+ di->discharge_min = 0;
+ di->charging_time = 0;
+ di->discharging_time = 0;
+ di->finish_time = 0;
+ di->q_dead = 0;
+ di->q_err = 0;
+ di->q_shtd = 0;
+ di->odd_capacity = 0;
+ di->bat_res = di->rk818->battery_data->sense_resistor_mohm;
+ di->term_chg_cnt = 0;
+ di->emu_chg_cnt = 0;
+
+ for (i=0; i<10; i++)
+ di->chrg_min[i] = -1;
+
+ di->debug_finish_real_soc = 0;
+ di->debug_finish_temp_soc = 0;
+
+ fcc_capacity = _get_FCC_capacity(di);
+ if (fcc_capacity > 1000)
+ di->fcc = fcc_capacity;
+ else
+ di->fcc = di->design_capacity;
+}
+/*
+static struct of_device_id rk818_battery_of_match[] = {
+{ .compatible = "rk818_battery" },
+{ }
+};
+
+MODULE_DEVICE_TABLE(of, rk818_battery_of_match);
+*/
#ifdef CONFIG_OF
-static int rk818_battery_parse_dt(struct rk818 *rk818)
+static int rk_battery_parse_dt(struct rk818 *rk818, struct device *dev)
{
- struct device_node *regs,*rk818_pmic_np;
- struct battery_platform_data *data;
+ struct device_node *regs, *rk818_pmic_np;
+ struct battery_platform_data *data;
struct cell_config *cell_cfg;
+ struct ocv_config *ocv_cfg;
struct property *prop;
u32 out_value;
- int i, length, ret;
+ int length, ret;
rk818_pmic_np = of_node_get(rk818->dev->of_node);
if (!rk818_pmic_np) {
- printk("could not find pmic sub-node\n");
+ dev_err(dev, "could not find pmic sub-node\n");
return -EINVAL;
}
regs = of_find_node_by_name(rk818_pmic_np, "battery");
- if (!regs){
- printk("could not find battery sub-node\n");
+ if (!regs) {
+ dev_err(dev, "battery node not found!\n");
return -EINVAL;
}
data = devm_kzalloc(rk818->dev, sizeof(*data), GFP_KERNEL);
- memset(data, 0, sizeof(*data));
+ if (!data) {
+ dev_err(dev, "kzalloc for battery_platform_data failed!\n");
+ return -ENOMEM;
+ }
cell_cfg = devm_kzalloc(rk818->dev, sizeof(*cell_cfg), GFP_KERNEL);
- /* determine the number of brightness levels */
+ if (!cell_cfg) {
+ dev_err(dev, "kzalloc for cell_config failed!\n");
+ return -ENOMEM;
+ }
+ ocv_cfg = devm_kzalloc(rk818->dev, sizeof(*ocv_cfg), GFP_KERNEL);
+ if (!ocv_cfg) {
+ dev_err(dev, "kzalloc for ocv_config failed!\n");
+ return -ENOMEM;
+ }
+
prop = of_find_property(regs, "ocv_table", &length);
- if (!prop)
+ if (!prop) {
+ dev_err(dev, "ocv_table not found!\n");
return -EINVAL;
- data->ocv_size= length / sizeof(u32);
- /* read brightness levels from DT property */
+ }
+ data->ocv_size = length / sizeof(u32);
+
if (data->ocv_size > 0) {
size_t size = sizeof(*data->battery_ocv) * data->ocv_size;
- data->battery_ocv= devm_kzalloc(rk818->dev, size, GFP_KERNEL);
- if (!data->battery_ocv)
+
+ data->battery_ocv = devm_kzalloc(rk818->dev, size, GFP_KERNEL);
+ if (!data->battery_ocv) {
+ dev_err(dev, "kzalloc for ocv_table failed!\n");
return -ENOMEM;
+ }
ret = of_property_read_u32_array(regs, "ocv_table", data->battery_ocv, data->ocv_size);
- DBG("the battery OCV TABLE : ");
- for(i =0; i< data->ocv_size; i++ )
- DBG("%d ", data->battery_ocv[i]);
- DBG("\n");
if (ret < 0)
return ret;
}
+
ret = of_property_read_u32(regs, "max_charge_currentmA", &out_value);
- if (ret < 0)
- return ret;
- data->max_charger_currentmA= out_value;
+ if (ret < 0) {
+ dev_err(dev, "max_charge_currentmA not found!\n");
+ out_value = DEFAULT_ICUR;
+ }
+ data->max_charger_currentmA = out_value;
+
+ ret = of_property_read_u32(regs, "max_charge_ilimitmA", &out_value);
+ if (ret < 0) {
+ dev_err(dev, "max_charger_ilimitmA not found!\n");
+ out_value = DEFAULT_ILMT;
+ }
+ data->max_charger_ilimitmA = out_value;
+
+ ret = of_property_read_u32(regs, "bat_res", &out_value);
+ if (ret < 0) {
+ dev_err(dev, "bat_res not found!\n");
+ out_value = DEFAULT_BAT_RES;
+ }
+ data->sense_resistor_mohm = out_value;
+
ret = of_property_read_u32(regs, "max_charge_voltagemV", &out_value);
- if (ret < 0)
- return ret;
- data->max_charger_voltagemV= out_value;
+ if (ret < 0) {
+ dev_err(dev, "max_charge_voltagemV not found!\n");
+ out_value = DEFAULT_VLMT;
+ }
+ data->max_charger_voltagemV = out_value;
+
ret = of_property_read_u32(regs, "design_capacity", &out_value);
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(dev, "design_capacity not found!\n");
return ret;
+ }
cell_cfg->design_capacity = out_value;
+
ret = of_property_read_u32(regs, "design_qmax", &out_value);
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(dev, "design_qmax not found!\n");
+ return ret;
+ }
+ cell_cfg->design_qmax = out_value;
+
+ ret = of_property_read_u32(regs, "sleep_enter_current", &out_value);
+ if (ret < 0) {
+ dev_err(dev, "sleep_enter_current not found!\n");
return ret;
- cell_cfg->design_qmax =out_value;
- data->cell_cfg =cell_cfg;
+ }
+ ocv_cfg->sleep_enter_current = out_value;
+
+ ret = of_property_read_u32(regs, "sleep_exit_current", &out_value);
+ if (ret < 0) {
+ dev_err(dev, "sleep_exit_current not found!\n");
+ return ret;
+ }
+ ocv_cfg->sleep_exit_current = out_value;
+
+ ret = of_property_read_u32(regs, "support_uboot_chrg", &support_uboot_chrg);
+
+ cell_cfg->ocv = ocv_cfg;
+ data->cell_cfg = cell_cfg;
rk818->battery_data = data;
+
+ DBG("\n--------- the battery OCV TABLE dump:\n");
+ DBG("bat_res :%d\n", data->sense_resistor_mohm);
+ DBG("max_charge_ilimitmA :%d\n", data->max_charger_ilimitmA);
DBG("max_charge_currentmA :%d\n", data->max_charger_currentmA);
DBG("max_charge_voltagemV :%d\n", data->max_charger_voltagemV);
DBG("design_capacity :%d\n", cell_cfg->design_capacity);
DBG("design_qmax :%d\n", cell_cfg->design_qmax);
-
+ DBG("sleep_enter_current :%d\n", cell_cfg->ocv->sleep_enter_current);
+ DBG("sleep_exit_current :%d\n", cell_cfg->ocv->sleep_exit_current);
+ DBG("uboot chrg = %d\n", support_uboot_chrg);
+ DBG("\n--------- rk818_battery dt_parse ok.\n");
return 0;
}
-static struct of_device_id rk818_battery_of_match[] = {
- { .compatible = "rk818_battery" },
- { }
-};
-MODULE_DEVICE_TABLE(of, rk818_battery_of_match);
#else
-static int rk818_battery_parse_dt(struct device *dev)
+static int rk_battery_parse_dt(struct rk818 *rk818, struct device *dev)
{
return -ENODEV;
}
#endif
-static int battery_probe(struct platform_device *pdev)
+
+static int battery_probe(struct platform_device *pdev)
{
struct rk818 *chip = dev_get_drvdata(pdev->dev.parent);
-// struct battery_platform_data *pdata ;//= rk818_platform_data->battery_data;
-// struct battery_platform_data defdata ;//= rk818_platform_data->battery_data;
struct battery_info *di;
- struct ocv_config *ocv;
- struct edv_config *edv;
int ret;
-
- DBG("%s is the battery driver version %s\n",__FUNCTION__,DRIVER_VERSION);
- rk818_battery_parse_dt(chip);
- di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
+ DBG("battery driver version %s\n", DRIVER_VERSION);
+ di = kzalloc(sizeof(*di), GFP_KERNEL);
if (!di) {
- dev_err(&pdev->dev, "no memory for state\n");
- ret = -ENOMEM;
- return ret;
- }
- ocv = devm_kzalloc(&pdev->dev, sizeof(*ocv), GFP_KERNEL);
- if (!ocv) {
- dev_err(&pdev->dev, "ocv no memory for state\n");
- ret = -ENOMEM;
- return ret;
+ dev_err(&pdev->dev, "kzalloc battery_info memory failed!\n");
+ return -ENOMEM;
}
- edv = devm_kzalloc(&pdev->dev, sizeof(*edv), GFP_KERNEL);
- if (!edv) {
- dev_err(&pdev->dev, "edv no memory for state\n");
- ret = -ENOMEM;
- return ret;
+ ret = rk_battery_parse_dt(chip, &pdev->dev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "rk_battery_parse_dt failed!\n");
+ return -EINVAL;
}
- di->rk818 = chip;
-#if 0
- di->platform_data = kmemdup(pdata, sizeof(*pdata), GFP_KERNEL);
- if (!di->platform_data) {
- kfree(di);
- return -ENOMEM;
- }
-#endif
-// data = di;
platform_set_drvdata(pdev, di);
- /*apply battery cell configuration*/
- //di->cell.config = di->platform_data->cell_cfg;
- di->platform_data = chip->battery_data;
- di->platform_data->cell_cfg = chip->battery_data->cell_cfg;
- di->platform_data->cell_cfg->ocv = ocv;
- di->platform_data->cell_cfg->edv = edv;
- di->design_capacity = chip->battery_data->cell_cfg->design_capacity;
- di->qmax = chip->battery_data->cell_cfg->design_qmax;
- di->fcc = di->design_capacity;
- di->status = POWER_SUPPLY_STATUS_DISCHARGING;
-
- battery_powersupply_init(di);
- fg_init(di);
- ret = power_supply_register(&pdev->dev, &di->bat);
- if (ret) {
- dev_dbg(&pdev->dev, "failed to register main battery\n");
- goto batt_failed;
- }
- ret = power_supply_register(&pdev->dev, &di->usb);
- if (ret) {
- dev_dbg(&pdev->dev, "failed to register usb power supply\n");
- goto usb_failed;
+ battery_info_init(di, chip);
+ if (!is_bat_exist(di)) {
+ dev_err(&pdev->dev, "could not find Li-ion battery!\n");
+ return -ENODEV;
}
- ret = power_supply_register(&pdev->dev, &di->ac);
+ fg_init(di);
+
+ wake_lock_init(&di->resume_wake_lock, WAKE_LOCK_SUSPEND, "resume_charging");
+
+ flatzone_voltage_init(di);
+ battery_poweron_status_init(di);
+ battery_power_supply_init(di);
+ ret = battery_power_supply_register(di, &pdev->dev);
if (ret) {
- dev_dbg(&pdev->dev, "failed to register ac power supply\n");
- goto ac_failed;
+ dev_err(&pdev->dev, "rk power supply register failed!\n");
+ return ret;
}
-
di->wq = create_singlethread_workqueue("battery-work");
- INIT_DELAYED_WORK(&di->battery_monitor_work,rk818_battery_work);
+ INIT_DELAYED_WORK(&di->battery_monitor_work, rk_battery_work);
queue_delayed_work(di->wq, &di->battery_monitor_work, msecs_to_jiffies(TIMER_MS_COUNTS*5));
- //queue_delayed_work(di->wq, &di->charge_check_work, msecs_to_jiffies(TIMER_MS_COUNTS*5));
- INIT_DELAYED_WORK(&di->charge_check_work,rk818_battery_charge_check_work);
-
+ INIT_DELAYED_WORK(&di->charge_check_work, rk_battery_charge_check_work);
+
di->battery_nb.notifier_call = battery_notifier_call;
register_battery_notifier(&di->battery_nb);
- printk("battery probe ok... \n");
- return ret;
-
-ac_failed:
- power_supply_unregister(&di->ac);
-usb_failed:
- power_supply_unregister(&di->usb);
-batt_failed:
- power_supply_unregister(&di->bat);
+
+ rk818_battery_irq_init(di);
+ rk818_battery_sysfs_init(di, &pdev->dev);
+ DBG("------ RK81x battery_probe ok!-------\n");
return ret;
}
-static int battery_remove(struct platform_device *dev)
-{
- return 0;
-}
-#if 1
-static int battery_suspend(struct platform_device *dev,pm_message_t state)
+
+#ifdef CONFIG_PM
+
+static int battery_suspend(struct platform_device *dev, pm_message_t state)
{
struct battery_info *di = platform_get_drvdata(dev);
- DBG("%s--------------------\n",__FUNCTION__);
- if(di == NULL)
- printk("battery NULL di\n");
- cancel_delayed_work(&di ->battery_monitor_work);
- DBG("%s---------end--------\n",__FUNCTION__);
+ enable_vbat_low_irq(di);
+ di->sleep_status = di->status;
+ di->suspend_charge_current = _get_average_current(di);
+
+ /* avoid abrupt wakeup which will clean the variable*/
+ if (di->sys_wakeup) {
+ di->suspend_capacity = di->remain_capacity;
+ di->suspend_temp_soc = _get_soc(di);
+ di->suspend_time_start = get_seconds();
+ di->sys_wakeup = false;
+ }
+
+ cancel_delayed_work(&di->battery_monitor_work);
+ DBG("<%s>. suspend_temp_soc,=%d, suspend_charge_current=%d, suspend_cap=%d, sleep_status=%d\n",
+ __func__, di->suspend_temp_soc, di->suspend_charge_current,
+ di->suspend_capacity, di->sleep_status);
+
+ set_low_power_interrupt(di);
return 0;
}
static int battery_resume(struct platform_device *dev)
{
-
- u8 buf;
- int ret;
struct battery_info *di = platform_get_drvdata(dev);
- ret = battery_read(di->rk818,VB_MOD_REG, &buf, 1);
+ set_low_power_interrupt(di);
+ di->resume = true;
+ DBG("<%s>\n", __func__);
+ disable_vbat_low_irq(di);
+ queue_delayed_work(di->wq, &di->battery_monitor_work,
+ msecs_to_jiffies(TIMER_MS_COUNTS/2));
-// struct battery_info *di = platform_get_drvdata(dev);
- DBG("%s--------------------\n",__FUNCTION__);
- queue_delayed_work(di->wq, &di->battery_monitor_work, msecs_to_jiffies(TIMER_MS_COUNTS));
- di ->resume = true;
- DBG("charge--status 0x%02x--------------------buf = 0x%02x\n", get_charge_status( di),buf);
+ if (di->sleep_status == POWER_SUPPLY_STATUS_CHARGING ||
+ di->real_soc <= 5)
+ wake_lock_timeout(&di->resume_wake_lock, 5*HZ);
+
+
+ return 0;
+}
+static int battery_remove(struct platform_device *dev)
+{
+ struct battery_info *di = platform_get_drvdata(dev);
+ cancel_delayed_work_sync(&di->battery_monitor_work);
return 0;
}
+static void battery_shutdown(struct platform_device *dev)
+{
+ struct battery_info *di = platform_get_drvdata(dev);
+
+ cancel_delayed_work_sync(&di->battery_monitor_work);
+ DBG("rk818 shutdown!");
+}
#endif
+
static struct platform_driver battery_driver = {
- .probe = battery_probe,
- .remove = battery_remove,
- .suspend = battery_suspend,
- .resume = battery_resume,
-
- .driver = {
- .name = "rk818-battery",
- //.pm = &pm_ops,
- .of_match_table = of_match_ptr(rk818_battery_of_match),
+ .driver = {
+ .name = "rk818-battery",
+ .owner = THIS_MODULE,
},
+
+ .probe = battery_probe,
+ .remove = battery_remove,
+ .suspend = battery_suspend,
+ .resume = battery_resume,
+ .shutdown = battery_shutdown,
};
static int __init battery_init(void)
{
return platform_driver_register(&battery_driver);
}
+
fs_initcall_sync(battery_init);
static void __exit battery_exit(void)
{
MODULE_ALIAS("platform:rk818-battery");
MODULE_AUTHOR("ROCKCHIP");
-
-
-
-
-
-
-
projects / firefly-linux-kernel-4.4.55.git / blobdiff