/*
- * rk818 battery driver
+ * rk818/rk819 battery driver
*
- * 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.
- * */
-
+ * Copyright (C) 2014 Rockchip Electronics Co., Ltd
+ * Author: zhangqing <zhangqing@rock-chips.com>
+ * chenjh <chenjh@rock-chips.com>
+ * Andy Yan <andy.yan@rock-chips.com>
+ *
+ * Copyright (C) 2008-2009 Texas Instruments, Inc.
+ * Author: Texas Instruments, Inc.
+ *
+ * Copyright (C) 2008-2009 Texas Instruments, Inc.
+ * Author: Texas Instruments, Inc.
+ * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
+ * Author: zhangqing <zhangqing@rock-chips.com>
+ * Copyright (C) 2014-2015 Intel Mobile Communications GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ */
+#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/param.h>
#include <linux/jiffies.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/uaccess.h>
#include <linux/mfd/rk818.h>
#include <linux/time.h>
#include <linux/interrupt.h>
#include <linux/rtc.h>
#include <linux/wakelock.h>
+#include <linux/of_gpio.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/usb/phy.h>
+#include <linux/fb.h>
+
+#if defined(CONFIG_X86_INTEL_SOFIA)
+#include <linux/usb/phy-intel.h>
+#else
+#include <linux/power/rk_usbbc.h>
+#endif
+#include "rk818_battery.h"
+/* if you want to disable, don't set it as 0,
+just be: "static int dbg_enable;" is ok*/
-
-/* 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
module_param_named(dbg_level, dbg_enable, int, 0644);
+
#define DBG(args...) \
do { \
if (dbg_enable) { \
} \
} while (0)
+#define DEFAULT_BAT_RES 135
+#define DEFAULT_CHRG_VOL 4200
+#define DEFAULT_CHRG_CUR 1000
+#define DEFAULT_INPUT_CUR 1400
+#define DEFAULT_SLP_ENTER_CUR 600
+#define DEFAULT_SLP_EXIT_CUR 600
-#define DEFAULT_BAT_RES 135
-#define DEFAULT_VLMT 4200
-#define DEFAULT_ILMT 2000
-#define DEFAULT_ICUR 1600
-
+#define DSOC_DISCHRG_EMU_CURR 1200
#define DSOC_DISCHRG_FAST_DEC_SEC 120 /*seconds*/
-#define DSOC_DISCHRG_FAST_EER_RANGE 25
+#define DSOC_DISCHRG_FAST_EER_RANGE 10
#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
+#define DSOC_CHRG_FAST_EER_RANGE 10
+#define DSOC_CHRG_EMU_CURR 1200
+#define DSOC_CHRG_TERM_CURR 600
+#define DSOC_CHRG_TERM_VOL 4100
+#define CHRG_FINISH_VOL 4100
/*realtime RSOC calib param*/
-#define RSOC_DISCHG_ERR_LOWER 40
-#define RSOC_DISCHG_ERR_UPPER 50
+#define RSOC_DISCHRG_ERR_LOWER 40
+#define RSOC_DISCHRG_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 rk818 *rk818;
-
- struct battery_platform_data *platform_data;
-
- int work_on;
+#define RSOC_CALIB_DISCHRGR_TIME 3 /*min*/
+
+#define RSOC_RESUME_ERR 10
+#define REBOOT_INTER_MIN 1
+
+#define INTERPOLATE_MAX 1000
+#define MAX_INT 0x7FFF
+#define TIME_10MIN_SEC 600
+
+#define CHRG_VOL_SHIFT 4
+#define CHRG_ILIM_SHIFT 0
+#define CHRG_ICUR_SHIFT 0
+#define DEF_CHRG_VOL CHRG_VOL4200
+#define DEF_CHRG_CURR_SEL CHRG_CUR1400mA
+#define DEF_CHRG_CURR_LMT ILIM_2000MA
+
+/*TEST_POWER_MODE params*/
+#define TEST_CURRENT 1000
+#define TEST_VOLTAGE 3800
+#define TEST_SOC 66
+#define TEST_STATUS POWER_SUPPLY_STATUS_CHARGING
+#define TEST_PRESET 1
+#define TEST_AC_ONLINE 1
+#define TEST_USB_ONLINE 0
+
+#define ZERO_ALGOR_THRESD 3800
+#define DISCHRG_ZERO_MODE 1
+#define DISCHRG_NORMAL_MODE 0
+#define DEF_LAST_ZERO_MODE_SOC -1
+
+#define DISCHRG_MODE 0
+#define CHRG_MODE 1
+
+#define TREND_STAT_FLAT 0
+#define TREND_STAT_DOWN -1
+#define TREND_STAT_UP 1
+#define TREND_CAP_DIFF 5
+
+#define MINUTE 60
+
+#define SLP_CURR_MAX 40
+#define SLP_CURR_MIN 6
+#define WAKEUP_SEC_THRESD 40
+#define CHRG_TIME_STEP (60)
+#define DISCHRG_TIME_STEP_0 (30 * 60)
+#define DISCHRG_TIME_STEP_1 (60 * 60)
+
+#define DEF_PCB_OFFSET 42
+#define DEF_CAL_OFFSET 0x832
+#define DEF_PWRPATH_RES 50
+#define SEC_TO_EMPTY 300
+#define DSOC_CHRG_FINISH_CURR 1100
+#define SLP_CHRG_CURR 1000
+#define SLP_DSOC_VOL_THRESD 3600
+/*if voltage is lower than this thresd,
+ we consider it as invalid
+ */
+#define INVALID_VOL_THRESD 2500
+#define PWR_OFF_THRESD 3400
+#define MIN_ZERO_ACCURACY 10 /*0.01%*/
+
+#define MAX_FCC 10000
+#define MIN_FCC 500
+/*
+ * the following table value depends on datasheet
+ */
+int CHRG_V_LMT[] = {4050, 4100, 4150, 4200, 4300, 4350};
+
+int CHRG_I_CUR[] = {1000, 1200, 1400, 1600, 1800, 2000,
+ 2250, 2400, 2600, 2800, 3000};
+
+int CHRG_I_LMT[] = {450, 800, 850, 1000, 1250, 1500, 1750,
+ 2000, 2250, 2500, 2750, 3000};
+
+u8 CHRG_CVCC_HOUR[] = {4, 5, 6, 8, 10, 12, 14, 16};
+
+#define RK818_DC_IN 0
+#define RK818_DC_OUT 1
+
+#define OCV_VALID_SHIFT (0)
+#define OCV_CALIB_SHIFT (1)
+#define FIRST_PWRON_SHIFT (2)
+
+#define SEC_TO_MIN(x) ((x) / 60)
+
+struct rk81x_battery {
+ struct device *dev;
+ struct cell_state cell;
+ struct power_supply bat;
+ struct power_supply ac;
+ struct power_supply usb;
+ struct delayed_work work;
+ struct rk818 *rk818;
+ struct pinctrl *pinctrl;
+ struct pinctrl_state *pins_default;
+
+ struct battery_platform_data *pdata;
+
+ int dc_det_pin;
+ int dc_det_level;
+ int dc_det_irq;
int irq;
int ac_online;
int usb_online;
- int status;
+ int psy_status;
int current_avg;
int current_offset;
- uint16_t voltage;
+ uint16_t voltage;
uint16_t voltage_ocv;
uint16_t relax_voltage;
- u8 charge_status;
+ u8 chrg_status;
+ u8 slp_chrg_status;
+
u8 otg_status;
int pcb_ioffset;
bool pcb_ioffset_updated;
- unsigned long queue_work_cnt;
- u32 term_chg_cnt;
- u32 emu_chg_cnt;
-
- uint16_t warnning_voltage;
int design_capacity;
int fcc;
int remain_capacity;
int nac;
int temp_nac;
-
- int real_soc;
+ int dsoc;
int display_soc;
- int odd_capacity;
- int temp_soc;
+ int rsoc;
+ int trend_start_cap;
- int est_ocv_vol;
- int est_ocv_soc;
+ int est_ocv_vol;
+ int est_ocv_soc;
u8 err_chck_cnt;
int err_soc_sum;
- int bat_res_update_cnt;
+ int bat_res_update_cnt;
int soc_counter;
-
int dod0;
int dod0_status;
int dod0_voltage;
int dod0_capacity;
- unsigned long dod0_time;
+ unsigned long dod0_time;
u8 dod0_level;
+ int adjust_cap;
+
int enter_flatzone;
int exit_flatzone;
int voltage_k;/* VCALIB0 VCALIB1 */
int voltage_b;
+ bool enter_finish;
+ int zero_timeout_cnt;
+ int zero_old_remain_cap;
- int update_k;
- int line_k;
- int voltage_old;
-
- int q_dead;
- int q_err;
- int q_shtd;
-
+ int line_k;
u8 check_count;
- /* u32 status; */
- struct timeval soc_timer;
- struct timeval change_timer;
- int vol_smooth_time;
int charge_smooth_time;
+ int sum_suspend_cap;
+ int suspend_cap;
- 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;
+ unsigned long suspend_time_sum;
+
+ int suspend_rsoc;
+ int slp_psy_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;
-
- 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;
-
+ bool discharge_smooth_status;
+
+ u32 plug_in_min;
+ u32 plug_out_min;
+ u32 finish_sig_min;
+
+ struct notifier_block battery_nb;
+ struct usb_phy *usb_phy;
+ struct notifier_block usb_nb;
+ struct notifier_block fb_nb;
+ int fb_blank;
+ int early_resume;
+ int s2r; /*suspend to resume*/
+ struct workqueue_struct *wq;
+ struct delayed_work battery_monitor_work;
+ struct delayed_work charge_check_work;
+ struct delayed_work usb_phy_delay_work;
+ struct delayed_work chrg_term_mode_switch_work;
+ enum bc_port_type charge_otg;
+ int ma;
+
+ struct wake_lock resume_wake_lock;
+ unsigned long plug_in_base;
+ unsigned long plug_out_base;
+ unsigned long finish_sig_base;
+ unsigned long power_on_base;
+
+ int chrg_time2full;
+ int chrg_cap2full;
+
+ bool is_first_poweron;
+
+ int fg_drv_mode;
+ int debug_finish_real_soc;
+ int debug_finish_temp_soc;
+ int chrg_min[10];
+ int chrg_v_lmt;
+ int chrg_i_lmt;
+ int chrg_i_cur;
+ uint16_t pwroff_min;
+ unsigned long wakeup_sec;
+ u32 delta_vol_smooth;
+ unsigned long dischrg_normal_base;
+ unsigned long dischrg_emu_base;
+ unsigned long chrg_normal_base;
+ unsigned long chrg_term_base;
+ unsigned long chrg_emu_base;
+ unsigned long chrg_finish_base;
+ unsigned long fcc_update_sec;
+ int loader_charged;
+ u8 dischrg_algorithm_mode;
+ int last_zero_mode_dsoc;
+ u8 current_mode;
+ unsigned long dischrg_save_sec;
+ unsigned long chrg_save_sec;
+ struct timeval suspend_rtc_base;
};
-struct battery_info *g_battery;
-u32 support_uboot_chrg;
+u32 support_usb_adp, support_dc_adp;
+
+#define to_device_info(x) container_of((x), \
+ struct rk81x_battery, bat)
+
+#define to_ac_device_info(x) container_of((x), \
+ struct rk81x_battery, ac)
+
+#define to_usb_device_info(x) container_of((x), \
+ struct rk81x_battery, usb)
+
+static int loader_charged;
+
+static int __init rk81x_bat_loader_charged(char *__unused)
+{
+ loader_charged = 1;
+
+ pr_info("battery charged in loader\n");
+
+ return 0;
+}
+__setup("loader_charged", rk81x_bat_loader_charged);
+
+static u64 g_base_sec;
+static u64 get_runtime_sec(void)
+{
+ u64 ts_ns = local_clock();
+
+ do_div(ts_ns, 1000000000);
+
+ return ts_ns + g_base_sec;
+}
+
+static u64 is_local_clock_reset(void)
+{
+ u64 ts_ns = local_clock();
+
+ do_div(ts_ns, 1000000000);
+
+ return !ts_ns;
+}
+
+static inline unsigned long BASE_TO_SEC(unsigned long x)
+{
+ if (x)
+ return get_runtime_sec() - x;
+ else
+ return 0;
+}
+
+static inline unsigned long BASE_TO_MIN(unsigned long x)
+{
+ return BASE_TO_SEC(x) / 60;
+}
+
+static bool rk81x_bat_support_adp_type(enum hw_support_adp type)
+{
+ bool bl = false;
-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);
+ switch (type) {
+ case HW_ADP_TYPE_USB:
+ if (support_usb_adp)
+ bl = true;
+ break;
+ case HW_ADP_TYPE_DC:
+ if (support_dc_adp)
+ bl = true;
+ break;
+ case HW_ADP_TYPE_DUAL:
+ if (support_usb_adp && support_dc_adp)
+ bl = true;
+ break;
+ default:
+ break;
+ }
-#define SUPPORT_USB_CHARGE
+ return bl;
+}
+static bool rk81x_chrg_online(struct rk81x_battery *di)
+{
+ return di->usb_online || di->ac_online;
+}
static u32 interpolate(int value, u32 *table, int size)
{
}
if ((i > 0) && (i < size)) {
- d = (value - table[i-1]) * (INTERPOLATE_MAX/(size-1));
+ d = (value - table[i-1]) * (INTERPOLATE_MAX / (size - 1));
d /= table[i] - table[i-1];
- d = d + (i-1) * (INTERPOLATE_MAX/(size-1));
+ d = d + (i-1) * (INTERPOLATE_MAX / (size - 1));
} else {
- d = i * ((INTERPOLATE_MAX+size/2)/size);
+ d = i * ((INTERPOLATE_MAX + size / 2) / size);
}
if (d > 1000)
return d;
}
+
/* Returns (a * b) / c */
static int32_t ab_div_c(u32 a, u32 b, u32 c)
{
if (sign)
c = -c;
- tmp = ((int32_t) a*b + (c>>1)) / c;
+ tmp = (a * b + (c >> 1)) / c;
if (tmp < MAX_INT)
ans = tmp;
return ans;
}
-static int32_t abs_int(int32_t x)
+static int div(int val)
{
- return (x > 0) ? x : -x;
+ return (val == 0) ? 1 : val;
}
-static int abs32_int(int x)
+static int rk81x_bat_read(struct rk81x_battery *di, u8 reg,
+ u8 buf[], unsigned len)
{
- return (x > 0) ? x : -x;
+ int ret = -1;
+ int i;
+
+ for (i = 0; ret < 0 && i < 3; i++) {
+ ret = rk818_i2c_read(di->rk818, reg, len, buf);
+ if (ret < 0)
+ dev_err(di->dev, "read reg:0x%02x failed\n", reg);
+ }
+
+ return (ret < 0) ? ret : 0;
}
+static int rk81x_bat_write(struct rk81x_battery *di, u8 reg,
+ u8 const buf[], unsigned len)
+{
+ int ret = -1;
+ int i;
+
+ for (i = 0; ret < 0 && i < 3; i++) {
+ ret = rk818_i2c_write(di->rk818, reg, (int)len, *buf);
+ if (ret < 0)
+ dev_err(di->dev, "write reg:0x%02x failed\n", reg);
+ }
+
+ return (ret < 0) ? ret : 0;
+}
-static int battery_read(struct rk818 *rk818, u8 reg, u8 buf[], unsigned len)
+static int rk81x_bat_set_bit(struct rk81x_battery *di, u8 reg, u8 shift)
{
- int ret;
+ int ret = -1;
+ int i;
+
+ for (i = 0; ret < 0 && i < 3; i++) {
+ ret = rk818_set_bits(di->rk818, reg, 1 << shift, 1 << shift);
+ if (ret < 0)
+ dev_err(di->dev, "set reg:0x%02x failed\n", reg);
+ }
- ret = rk818_i2c_read(rk818, reg, len, buf);
return ret;
}
-static int battery_write(struct rk818 *rk818, u8 reg, u8 const buf[], unsigned len)
+static int rk81x_bat_clr_bit(struct rk81x_battery *di, u8 reg, u8 shift)
{
- int ret;
- ret = rk818_i2c_write(rk818, reg, (int)len, *buf);
+ int ret = -1;
+ int i;
+
+ for (i = 0; ret < 0 && i < 3; i++) {
+ ret = rk818_set_bits(di->rk818, reg, 1 << shift, 0 << shift);
+ if (ret < 0)
+ dev_err(di->dev, "set reg:0x%02x failed\n", reg);
+ }
+
return ret;
}
-static void dump_gauge_register(struct battery_info *di)
+
+static u8 rk81x_bat_read_bit(struct rk81x_battery *di, u8 reg, u8 shift)
+{
+ u8 buf;
+ u8 val;
+
+ rk81x_bat_read(di, reg, &buf, 1);
+ val = (buf & BIT(shift)) >> shift;
+ return val;
+}
+
+static void rk81x_dbg_dmp_gauge_regs(struct rk81x_battery *di)
{
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);
+ u8 buf;
+
+ DBG("%s dump charger register start:\n", __func__);
+ for (i = 0xAC; i < 0xEE; i++) {
+ rk81x_bat_read(di, i, &buf, 1);
+ DBG("0x%02x : 0x%02x\n", i, buf);
}
DBG("demp end!\n");
}
-static void dump_charger_register(struct battery_info *di)
+static void rk81x_dbg_dmp_charger_regs(struct rk81x_battery *di)
{
-
int i = 0;
char buf;
- DBG("%s dump the register start: \n", __func__);
+
+ 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);
+ rk81x_bat_read(di, i, &buf, 1);
+ DBG(" the register is 0x%02x, the value is 0x%02x\n", i, buf);
}
DBG("demp end!\n");
-
}
-#if RK818_SYS_DBG
+static void rk81x_bat_reset_zero_var(struct rk81x_battery *di)
+{
+ di->dischrg_algorithm_mode = DISCHRG_NORMAL_MODE;
+ di->last_zero_mode_dsoc = DEF_LAST_ZERO_MODE_SOC;
+}
-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)
-{
- 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 void rk81x_bat_capacity_init_post(struct rk81x_battery *di)
+{
+ rk81x_bat_reset_zero_var(di);
+ di->trend_start_cap = di->remain_capacity;
}
-static ssize_t bat_fcc_read(struct device *dev, struct device_attribute *attr, char *buf)
+
+static void rk81x_bat_capacity_init(struct rk81x_battery *di, u32 capacity)
{
- struct battery_info *di = g_battery;
+ u8 buf;
+ u32 capacity_ma;
+ int delta_cap;
+
+ delta_cap = capacity - di->remain_capacity;
+ if (!delta_cap)
+ return;
+
+ di->adjust_cap += delta_cap;
+
+ capacity_ma = capacity * 2390;/* 2134;//36*14/900*4096/521*500; */
+ do {
+ buf = (capacity_ma >> 24) & 0xff;
+ rk81x_bat_write(di, GASCNT_CAL_REG3, &buf, 1);
+ buf = (capacity_ma >> 16) & 0xff;
+ rk81x_bat_write(di, GASCNT_CAL_REG2, &buf, 1);
+ buf = (capacity_ma >> 8) & 0xff;
+ rk81x_bat_write(di, GASCNT_CAL_REG1, &buf, 1);
+ buf = (capacity_ma & 0xff) | 0x01;
+ rk81x_bat_write(di, GASCNT_CAL_REG0, &buf, 1);
+ rk81x_bat_read(di, GASCNT_CAL_REG0, &buf, 1);
- return sprintf(buf, "%d", di->fcc);
+ } while (buf == 0);
+
+ dev_dbg(di->dev, "update capacity :%d--remain_cap:%d\n",
+ capacity, di->remain_capacity);
}
-static ssize_t bat_soc_read(struct device *dev, struct device_attribute *attr, char *buf)
+
+#if RK818_SYS_DBG
+/*
+ * interface for debug: do rk81x_bat_first_pwron() without unloading battery
+ */
+static ssize_t bat_calib_read(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct battery_info *di = g_battery;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
+ int val;
+
+ val = rk81x_bat_read_bit(di, MISC_MARK_REG, OCV_CALIB_SHIFT);
- return sprintf(buf, "%d", di->real_soc);
+ return sprintf(buf, "%d\n", val);
}
-static ssize_t bat_soc_write(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t bat_calib_write(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- int val;
+ u8 val;
int ret;
- struct battery_info *di = g_battery;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
- ret = sscanf(buf, "%d", &val);
- di->real_soc = val;
+ ret = kstrtou8(buf, 0, &val);
+ if (ret < 0)
+ return ret;
+ if (val)
+ rk81x_bat_set_bit(di, MISC_MARK_REG, OCV_CALIB_SHIFT);
+ else
+ rk81x_bat_clr_bit(di, MISC_MARK_REG, OCV_CALIB_SHIFT);
return count;
}
-static ssize_t bat_temp_soc_read(struct device *dev, struct device_attribute *attr, char *buf)
+
+/*
+ * interface for debug: force battery to over discharge
+ */
+static ssize_t bat_test_power_read(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct battery_info *di = g_battery;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
- return sprintf(buf, "%d", di->temp_soc);
+ return sprintf(buf, "%d\n", di->fg_drv_mode);
}
-static ssize_t bat_temp_soc_write(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t bat_test_power_write(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- int val;
+ u8 val;
int ret;
- u32 capacity;
- struct battery_info *di = g_battery;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
+
+ ret = kstrtou8(buf, 0, &val);
+ if (ret < 0)
+ return ret;
- 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 (val == 1)
+ di->fg_drv_mode = TEST_POWER_MODE;
+ else
+ di->fg_drv_mode = FG_NORMAL_MODE;
return count;
}
-static ssize_t bat_voltage_read(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t bat_fcc_read(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct battery_info *di = g_battery;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
- return sprintf(buf, "%d", di->voltage);
+ return sprintf(buf, "%d\n", di->fcc);
}
-static ssize_t bat_avr_current_read(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t bat_fcc_write(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct battery_info *di = g_battery;
+ u16 val;
+ int ret;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
- return sprintf(buf, "%d", di->current_avg);
-}
+ ret = kstrtou16(buf, 0, &val);
+ if (ret < 0)
+ return ret;
-static ssize_t bat_remain_capacity_read(struct device *dev, struct device_attribute *attr, char *buf)
-{
- struct battery_info *di = g_battery;
+ di->fcc = val;
- return sprintf(buf, "%d", di->remain_capacity);
+ return count;
}
-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),
-};
-
-#endif
+static ssize_t bat_dsoc_read(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
-static uint16_t get_relax_voltage(struct battery_info *di);
+ return sprintf(buf, "%d\n", di->dsoc);
+}
-static ssize_t show_state_attrs(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t bat_dsoc_write(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct battery_info *data = g_battery;
+ u8 val;
+ int ret;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
+
+ ret = kstrtou8(buf, 0, &val);
+ if (ret < 0)
+ 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);
+ di->dsoc = val;
- } else
- return sprintf(buf,
- "voltage = %d, remain_capacity = %d, status = %d\n",
- get_relax_voltage(data), data->remain_capacity,
- data->status);
+ return count;
}
-static ssize_t restore_state_attrs(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
+static ssize_t bat_rsoc_read(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return size;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
+
+ return sprintf(buf, "%d\n", di->rsoc);
}
-static struct device_attribute rkbatt_attrs[] = {
- __ATTR(state, 0664, show_state_attrs, restore_state_attrs),
-};
-static int create_sysfs_interfaces(struct device *dev)
+static ssize_t bat_rsoc_write(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- int liTmep;
-
- for (liTmep = 0; liTmep < ARRAY_SIZE(rkbatt_attrs); liTmep++) {
- if (device_create_file(dev, rkbatt_attrs + liTmep))
- goto error;
- }
+ u8 val;
+ int ret;
+ u32 capacity;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
- return 0;
+ ret = kstrtou8(buf, 0, &val);
+ if (ret < 0)
+ return ret;
-error:
- for (; liTmep >= 0; liTmep--)
- device_remove_file(dev, rkbatt_attrs + liTmep);
+ capacity = di->fcc * val / 100;
+ rk81x_bat_capacity_init(di, capacity);
+ rk81x_bat_capacity_init_post(di);
- dev_err(dev, "%s:Unable to create sysfs interface\n", __func__);
- return -1;
+ return count;
}
-static int debug_reg(struct battery_info *di, u8 reg, char *reg_name)
+static ssize_t bat_remain_cap_read(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- u8 val;
+ struct power_supply *psy_bat = dev_get_drvdata(dev);
+ struct rk81x_battery *di = to_device_info(psy_bat);
- battery_read(di->rk818, reg, &val, 1);
- DBG("<%s>: %s = 0x%2x\n", __func__, reg_name, val);
- return val;
+ return sprintf(buf, "%d\n", di->remain_capacity);
}
+static struct device_attribute rk818_bat_attr[] = {
+ __ATTR(fcc, 0664, bat_fcc_read, bat_fcc_write),
+ __ATTR(dsoc, 0664, bat_dsoc_read, bat_dsoc_write),
+ __ATTR(rsoc, 0664, bat_rsoc_read, bat_rsoc_write),
+ __ATTR(remain_capacity, 0664, bat_remain_cap_read, NULL),
+ __ATTR(test_power, 0664, bat_test_power_read, bat_test_power_write),
+ __ATTR(calib, 0664, bat_calib_read, bat_calib_write),
+};
+#endif
-static int _gauge_enable(struct battery_info *di)
+static int rk81x_bat_gauge_enable(struct rk81x_battery *di)
{
int ret;
u8 buf;
- ret = battery_read(di->rk818, TS_CTRL_REG, &buf, 1);
+ ret = rk81x_bat_read(di, TS_CTRL_REG, &buf, 1);
if (ret < 0) {
dev_err(di->dev, "error reading TS_CTRL_REG");
return ret;
}
- 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);
- return 0;
- }
- DBG("%s, %d\n", __func__, buf);
- return 0;
+ buf |= GG_EN;
+ rk81x_bat_write(di, TS_CTRL_REG, &buf, 1);
+ return 0;
}
-static void save_level(struct battery_info *di, u8 save_soc)
-{
- u8 soc;
- soc = save_soc;
- battery_write(di->rk818, UPDAT_LEVE_REG, &soc, 1);
+static void rk81x_bat_save_level(struct rk81x_battery *di, u8 save_soc)
+{
+ rk81x_bat_write(di, UPDAT_LEVE_REG, &save_soc, 1);
}
-static u8 get_level(struct battery_info *di)
+
+static u8 rk81x_bat_get_level(struct rk81x_battery *di)
{
u8 soc;
- battery_read(di->rk818, UPDAT_LEVE_REG, &soc, 1);
+ rk81x_bat_read(di, UPDAT_LEVE_REG, &soc, 1);
+
return soc;
}
-static int _get_vcalib0(struct battery_info *di)
+static int rk81x_bat_get_vcalib0(struct rk81x_battery *di)
{
int ret;
int temp = 0;
u8 buf;
- ret = battery_read(di->rk818, VCALIB0_REGL, &buf, 1);
+ ret = rk81x_bat_read(di, VCALIB0_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818, VCALIB0_REGH, &buf, 1);
- temp |= buf<<8;
+ ret = rk81x_bat_read(di, VCALIB0_REGH, &buf, 1);
+ temp |= buf << 8;
DBG("%s voltage0 offset vale is %d\n", __func__, temp);
return temp;
}
-static int _get_vcalib1(struct battery_info *di)
+static int rk81x_bat_get_vcalib1(struct rk81x_battery *di)
{
int ret;
int temp = 0;
u8 buf;
- ret = battery_read(di->rk818, VCALIB1_REGL, &buf, 1);
+ ret = rk81x_bat_read(di, VCALIB1_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818, VCALIB1_REGH, &buf, 1);
- temp |= buf<<8;
+ ret = rk81x_bat_read(di, VCALIB1_REGH, &buf, 1);
+ temp |= buf << 8;
DBG("%s voltage1 offset vale is %d\n", __func__, temp);
return temp;
}
-static int _get_ioffset(struct battery_info *di)
+static int rk81x_bat_get_ioffset(struct rk81x_battery *di)
{
-
int ret;
int temp = 0;
u8 buf;
- ret = battery_read(di->rk818, IOFFSET_REGL, &buf, 1);
+ ret = rk81x_bat_read(di, IOFFSET_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818, IOFFSET_REGH, &buf, 1);
- temp |= buf<<8;
+ ret = rk81x_bat_read(di, IOFFSET_REGH, &buf, 1);
+ temp |= buf << 8;
return temp;
}
-static uint16_t _get_cal_offset(struct battery_info *di)
+static uint16_t rk81x_bat_get_cal_offset(struct rk81x_battery *di)
{
int ret;
uint16_t temp = 0;
u8 buf;
- ret = battery_read(di->rk818, CAL_OFFSET_REGL, &buf, 1);
+ ret = rk81x_bat_read(di, CAL_OFFSET_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818, CAL_OFFSET_REGH, &buf, 1);
- temp |= buf<<8;
+ ret = rk81x_bat_read(di, CAL_OFFSET_REGH, &buf, 1);
+ temp |= buf << 8;
return temp;
}
-static int _set_cal_offset(struct battery_info *di, u32 value)
+
+static int rk81x_bat_set_cal_offset(struct rk81x_battery *di, u32 value)
{
int ret;
u8 buf;
- 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);
+ buf = value & 0xff;
+ ret = rk81x_bat_write(di, CAL_OFFSET_REGL, &buf, 1);
+ buf = (value >> 8) & 0xff;
+ ret = rk81x_bat_write(di, CAL_OFFSET_REGH, &buf, 1);
return 0;
}
-static void _get_voltage_offset_value(struct battery_info *di)
+static void rk81x_bat_get_vol_offset(struct rk81x_battery *di)
{
int vcalib0, vcalib1;
- vcalib0 = _get_vcalib0(di);
- vcalib1 = _get_vcalib1(di);
+ vcalib0 = rk81x_bat_get_vcalib0(di);
+ vcalib1 = rk81x_bat_get_vcalib1(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);
+ di->voltage_k = (4200 - 3000) * 1000 / div((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)
+
+static uint16_t rk81x_bat_get_ocv_vol(struct rk81x_battery *di)
{
int ret;
u8 buf;
uint16_t temp;
uint16_t voltage_now = 0;
+ int i;
+ int val[3];
- ret = battery_read(di->rk818, BAT_OCV_REGL, &buf, 1);
- temp = buf;
- ret = battery_read(di->rk818, BAT_OCV_REGH, &buf, 1);
- temp |= buf<<8;
+ for (i = 0; i < 3; i++) {
+ ret = rk81x_bat_read(di, BAT_OCV_REGL, &buf, 1);
+ val[i] = buf;
+ ret = rk81x_bat_read(di, BAT_OCV_REGH, &buf, 1);
+ val[i] |= buf << 8;
- if (ret < 0) {
- dev_err(di->dev, "error read BAT_OCV_REGH");
- return ret;
+ if (ret < 0) {
+ dev_err(di->dev, "error read BAT_OCV_REGH");
+ return ret;
+ }
}
- voltage_now = di->voltage_k*temp/1000 + di->voltage_b;
+ if (val[0] == val[1])
+ temp = val[0];
+ else
+ temp = val[2];
+
+ voltage_now = di->voltage_k * temp / 1000 + di->voltage_b;
return voltage_now;
}
-static int rk_battery_voltage(struct battery_info *di)
+static int rk81x_bat_get_vol(struct rk81x_battery *di)
{
int ret;
- int voltage_now = 0;
+ int vol;
u8 buf;
int temp;
+ int val[3];
+ int i;
- ret = battery_read(di->rk818, BAT_VOL_REGL, &buf, 1);
- temp = buf;
- ret = battery_read(di->rk818, BAT_VOL_REGH, &buf, 1);
- temp |= buf<<8;
+ for (i = 0; i < 3; i++) {
+ ret = rk81x_bat_read(di, BAT_VOL_REGL, &buf, 1);
+ val[i] = buf;
+ ret = rk81x_bat_read(di, BAT_VOL_REGH, &buf, 1);
+ val[i] |= buf << 8;
- if (ret < 0) {
- dev_err(di->dev, "error read BAT_VOL_REGH");
- return ret;
+ if (ret < 0) {
+ dev_err(di->dev, "error read BAT_VOL_REGH");
+ return ret;
+ }
}
+ /*check value*/
+ if (val[0] == val[1])
+ temp = val[0];
+ else
+ temp = val[2];
- voltage_now = di->voltage_k*temp/1000 + di->voltage_b;
+ vol = di->voltage_k * temp / 1000 + di->voltage_b;
- return voltage_now;
+ return vol;
}
-/* 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 bool is_rk81x_bat_relax_mode(struct rk81x_battery *di)
{
- u32 *ocv_table;
- int ocv_size;
- u32 tmp;
- int i;
+ int ret;
+ u8 status;
- 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);
+ ret = rk81x_bat_read(di, GGSTS, &status, 1);
- return 0;
+ if ((!(status & RELAX_VOL1_UPD)) || (!(status & RELAX_VOL2_UPD)))
+ return false;
+ else
+ return true;
}
-static uint16_t _get_relax_vol1(struct battery_info *di)
+static uint16_t rk81x_bat_get_relax_vol1(struct rk81x_battery *di)
{
int ret;
u8 buf;
uint16_t temp = 0, voltage_now;
- ret = battery_read(di->rk818, RELAX_VOL1_REGL, &buf, 1);
+ ret = rk81x_bat_read(di, RELAX_VOL1_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818, RELAX_VOL1_REGH, &buf, 1);
- temp |= (buf<<8);
+ ret = rk81x_bat_read(di, RELAX_VOL1_REGH, &buf, 1);
+ temp |= (buf << 8);
- voltage_now = di->voltage_k*temp/1000 + di->voltage_b;
+ voltage_now = di->voltage_k * temp / 1000 + di->voltage_b;
return voltage_now;
}
-static uint16_t _get_relax_vol2(struct battery_info *di)
+static uint16_t rk81x_bat_get_relax_vol2(struct rk81x_battery *di)
{
int ret;
- uint16_t temp = 0, voltage_now;
u8 buf;
+ uint16_t temp = 0, voltage_now;
- ret = battery_read(di->rk818, RELAX_VOL2_REGL, &buf, 1);
+ ret = rk81x_bat_read(di, RELAX_VOL2_REGL, &buf, 1);
temp = buf;
- ret = battery_read(di->rk818, RELAX_VOL2_REGH, &buf, 1);
- temp |= (buf<<8);
+ ret = rk81x_bat_read(di, RELAX_VOL2_REGH, &buf, 1);
+ temp |= (buf << 8);
- voltage_now = di->voltage_k*temp/1000 + di->voltage_b;
+ voltage_now = di->voltage_k * temp / 1000 + di->voltage_b;
return voltage_now;
}
-static int _get_raw_adc_current(struct battery_info *di)
+static uint16_t rk81x_bat_get_relax_vol(struct rk81x_battery *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);
+ u8 status;
+ uint16_t relax_vol1, relax_vol2;
+ u8 ggcon;
- if (ret < 0) {
- dev_err(di->dev, "error reading BAT_CUR_AVG_REGH");
- return ret;
- }
+ ret = rk81x_bat_read(di, GGSTS, &status, 1);
+ ret = rk81x_bat_read(di, GGCON, &ggcon, 1);
- return current_now;
+ relax_vol1 = rk81x_bat_get_relax_vol1(di);
+ relax_vol2 = rk81x_bat_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_rk81x_bat_relax_mode(di))
+ return relax_vol1 > relax_vol2 ? relax_vol1 : relax_vol2;
+ else
+ return 0;
}
-static void reset_zero_var(struct battery_info *di)
+/* OCV Lookup table
+ * Open Circuit Voltage (OCV) correction routine. This function estimates SOC,
+ * based on the voltage.
+ */
+static int rk81x_bat_vol_to_capacity(struct rk81x_battery *di, int voltage)
{
- di->update_k = 0;
- di->q_err = 0;
- di->voltage_old = 0;
- di->display_soc = 0;
-}
+ u32 *ocv_table;
+ int ocv_size;
+ u32 tmp;
+ int ocv_soc;
-static void ioffset_sample_time(struct battery_info *di, int time)
-{
- u8 ggcon;
+ ocv_table = di->pdata->battery_ocv;
+ ocv_size = di->pdata->ocv_size;
+ tmp = interpolate(voltage, ocv_table, ocv_size);
+ ocv_soc = ab_div_c(tmp, MAX_PERCENTAGE, INTERPOLATE_MAX);
+ di->temp_nac = ab_div_c(tmp, di->fcc, INTERPOLATE_MAX);
- 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");
+ return ocv_soc;
}
-static void update_cal_offset(struct battery_info *di)
+static int rk81x_bat_get_raw_adc_current(struct rk81x_battery *di)
{
- int mod = di->queue_work_cnt % TIME_10MIN_SEC;
+ u8 buf;
+ int ret;
+ int val;
+
+ ret = rk81x_bat_read(di, BAT_CUR_AVG_REGL, &buf, 1);
+ if (ret < 0) {
+ dev_err(di->dev, "error reading BAT_CUR_AVG_REGL");
+ return ret;
+ }
+ val = buf;
+ ret = rk81x_bat_read(di, BAT_CUR_AVG_REGH, &buf, 1);
+ if (ret < 0) {
+ dev_err(di->dev, "error reading BAT_CUR_AVG_REGH");
+ return ret;
+ }
+ val |= (buf << 8);
- 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));
+ if (ret < 0) {
+ dev_err(di->dev, "error reading BAT_CUR_AVG_REGH");
+ return ret;
}
+
+ if (val > 2047)
+ val -= 4096;
+
+ return val;
}
+static void rk81x_bat_ioffset_sample_set(struct rk81x_battery *di, int time)
+{
+ u8 ggcon;
+
+ rk81x_bat_read(di, GGCON, &ggcon, 1);
+ ggcon &= ~(0x30); /*clear <5:4>*/
+ ggcon |= time;
+ rk81x_bat_write(di, GGCON, &ggcon, 1);
+}
-static void zero_current_calibration(struct battery_info *di)
+/*
+ * when charger finish signal comes, we need calibrate the current, make it
+ * close to 0.
+ */
+static bool rk81x_bat_zero_current_calib(struct rk81x_battery *di)
{
int adc_value;
uint16_t C0;
uint16_t C1;
int ioffset;
- int pcb_offset;
+ u8 pcb_offset = 0;
u8 retry = 0;
+ bool ret = true;
- if ((di->charge_status == CHARGE_FINISH) && (abs32_int(di->current_avg) > 4)) {
-
+ if ((di->chrg_status == CHARGE_FINISH) &&
+ (BASE_TO_MIN(di->power_on_base) >= 3) &&
+ (abs(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);
+ adc_value = rk81x_bat_get_raw_adc_current(di);
+ if (!rk81x_chrg_online(di) || abs(adc_value) > 30) {
+ dev_warn(di->dev, "charger plugout\n");
+ ret = true;
+ break;
+ }
- C0 = _get_cal_offset(di);
+ DBG("<%s>. adc_value = %d\n", __func__, adc_value);
+ C0 = rk81x_bat_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>. C0(cal_offset) = %d, C1 = %d\n",
+ __func__, C0, C1);
+ rk81x_bat_set_cal_offset(di, C1);
+ DBG("<%s>. new cal_offset = %d\n",
+ __func__, rk81x_bat_get_cal_offset(di));
+ msleep(3000);
+ adc_value = rk81x_bat_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);
+ if (abs(adc_value) < 4) {
+ if (rk81x_bat_get_cal_offset(di) < 0x7ff) {
+ ioffset = rk81x_bat_get_ioffset(di);
+ rk81x_bat_set_cal_offset(di,
+ ioffset + 42);
+ } else {
+ ioffset = rk81x_bat_get_ioffset(di);
+ pcb_offset = C1 - ioffset;
+ di->pcb_ioffset = pcb_offset;
+ di->pcb_ioffset_updated = true;
+ rk81x_bat_write(di,
+ PCB_IOFFSET_REG,
+ &pcb_offset, 1);
+ }
+ DBG("<%s>. update the cal_offset, C1 = %d\n"
+ "i_offset = %d, pcb_offset = %d\n",
+ __func__, C1, ioffset, pcb_offset);
+ ret = false;
break;
- } else
- di->pcb_ioffset_updated = false;
+ } else {
+ dev_dbg(di->dev, "ioffset cal failed\n");
+ rk81x_bat_set_cal_offset(di, C0);
+ }
+
+ 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;
+ return ret;
}
-static void _set_relax_thres(struct battery_info *di)
+static void rk81x_bat_set_relax_thres(struct rk81x_battery *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;
+ enter_thres = (cell->config->ocv->sleep_enter_current) * 1000 / 1506;
+ exit_thres = (cell->config->ocv->sleep_exit_current) * 1000 / 1506;
+ DBG("<%s>. sleep_enter_current = %d, sleep_exit_current = %d\n",
+ __func__, cell->config->ocv->sleep_enter_current,
+ cell->config->ocv->sleep_exit_current);
- 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 = enter_thres & 0xff;
+ rk81x_bat_write(di, RELAX_ENTRY_THRES_REGL, &buf, 1);
+ buf = (enter_thres >> 8) & 0xff;
+ rk81x_bat_write(di, 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);
+ buf = exit_thres & 0xff;
+ rk81x_bat_write(di, RELAX_EXIT_THRES_REGL, &buf, 1);
+ buf = (exit_thres >> 8) & 0xff;
+ rk81x_bat_write(di, RELAX_EXIT_THRES_REGH, &buf, 1);
/* set sample time */
- battery_read(di->rk818, GGCON, &buf, 1);
- buf &= ~(3<<2);/*8min*/
+ rk81x_bat_read(di, GGCON, &buf, 1);
+ buf &= ~(3 << 2);/*8min*/
buf &= ~0x01; /* clear bat_res calc*/
- battery_write(di->rk818, GGCON, &buf, 1);
+ rk81x_bat_write(di, GGCON, &buf, 1);
}
-static void restart_relax(struct battery_info *di)
+static void rk81x_bat_restart_relax(struct rk81x_battery *di)
{
- u8 ggcon;/* chrg_ctrl_reg2;*/
+ u8 ggcon;
u8 ggsts;
- battery_read(di->rk818, GGCON, &ggcon, 1);
+ rk81x_bat_read(di, GGCON, &ggcon, 1);
ggcon &= ~0x0c;
- battery_write(di->rk818, GGCON, &ggcon, 1);
+ rk81x_bat_write(di, GGCON, &ggcon, 1);
- battery_read(di->rk818, GGSTS, &ggsts, 1);
+ rk81x_bat_read(di, GGSTS, &ggsts, 1);
ggsts &= ~0x0c;
- battery_write(di->rk818, GGSTS, &ggsts, 1);
+ rk81x_bat_write(di, GGSTS, &ggsts, 1);
}
-static int _get_average_current(struct battery_info *di)
+static int rk81x_bat_get_avg_current(struct rk81x_battery *di)
{
u8 buf;
int ret;
int current_now;
int temp;
+ int val[3];
+ int i;
- 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;
+ for (i = 0; i < 3; i++) {
+ ret = rk81x_bat_read(di, BAT_CUR_AVG_REGL, &buf, 1);
+ if (ret < 0) {
+ dev_err(di->dev, "error read BAT_CUR_AVG_REGL");
+ return ret;
+ }
+ val[i] = buf;
+
+ ret = rk81x_bat_read(di, BAT_CUR_AVG_REGH, &buf, 1);
+ if (ret < 0) {
+ dev_err(di->dev, "error read BAT_CUR_AVG_REGH");
+ return ret;
+ }
+ val[i] |= (buf<<8);
}
- current_now |= (buf<<8);
+ /*check value*/
+ if (val[0] == val[1])
+ current_now = val[0];
+ else
+ current_now = val[2];
if (current_now & 0x800)
current_now -= 4096;
- temp = current_now*1506/1000;/*1000*90/14/4096*500/521;*/
+ temp = current_now * 1506 / 1000;/*1000*90/14/4096*500/521;*/
return temp;
+}
+
+static void rk81x_bat_set_power_supply_state(struct rk81x_battery *di,
+ enum charger_type charger_type)
+{
+ di->usb_online = OFFLINE;
+ di->ac_online = OFFLINE;
+
+ switch (charger_type) {
+ case NO_CHARGER:
+ di->psy_status = POWER_SUPPLY_STATUS_DISCHARGING;
+ break;
+ case USB_CHARGER:
+ di->usb_online = ONLINE;
+ di->psy_status = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case DC_CHARGER:/*treat dc as ac*/
+ case AC_CHARGER:
+ di->ac_online = ONLINE;
+ di->psy_status = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ default:
+ di->psy_status = POWER_SUPPLY_STATUS_DISCHARGING;
+ }
+
+ if (di->wq)
+ queue_delayed_work(di->wq, &di->chrg_term_mode_switch_work,
+ msecs_to_jiffies(1000));
+}
+
+/* high load: current < 0 with charger in.
+ * System will not shutdown while dsoc=0% with charging state(ac_online),
+ * which will cause over discharge, so oppose status before report states.
+ */
+static void rk81x_bat_lowpwr_check(struct rk81x_battery *di)
+{
+ static u64 time;
+ int pwr_off_thresd = di->pdata->power_off_thresd - 50;
+
+ if (di->current_avg < 0 && di->voltage < pwr_off_thresd) {
+ if (!time)
+ time = get_runtime_sec();
+ if (BASE_TO_SEC(time) > (MINUTE)) {
+ rk81x_bat_set_power_supply_state(di, NO_CHARGER);
+ dev_info(di->dev, "low power....\n");
+ }
+ } else {
+ time = 0;
+ }
}
-static bool is_bat_exist(struct battery_info *di)
+static int is_rk81x_bat_exist(struct rk81x_battery *di)
{
u8 buf;
- battery_read(di->rk818, SUP_STS_REG, &buf, 1);
- return (buf & 0x80) ? true : false;
+ rk81x_bat_read(di, SUP_STS_REG, &buf, 1);
+
+ return (buf & 0x80) ? 1 : 0;
}
-static bool _is_first_poweron(struct battery_info *di)
+static bool is_rk81x_bat_first_poweron(struct rk81x_battery *di)
{
u8 buf;
u8 temp;
- battery_read(di->rk818, GGSTS, &buf, 1);
- DBG("%s GGSTS value is 0x%2x \n", __func__, buf);
+ rk81x_bat_read(di, 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);
+ rk81x_bat_write(di, GGSTS, &buf, 1);
+ rk81x_bat_read(di, GGSTS, &temp, 1);
+ } while (temp & BAT_CON);
return true;
}
+
return false;
}
-static void flatzone_voltage_init(struct battery_info *di)
+
+static void rk81x_bat_flatzone_vol_init(struct rk81x_battery *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;
+ ocv_table = di->pdata->battery_ocv;
+ ocv_size = di->pdata->ocv_size;
for (j = 0; j < 21; j++)
temp_table[j] = 0;
temp_table[j++] = i;
}
- temp_table[j] = temp_table[j-1]+1;
+ 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++) {
+ for (i = 0; i < 20; i++) {
if (temp_table[i] < temp_table[i+1])
- j = 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);
-
+ 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 power_on_save(struct battery_info *di, int voltage)
+static void rk81x_bat_power_on_save(struct rk81x_battery *di, int ocv_voltage)
{
- u8 buf;
- u8 save_soc;
+ u8 ocv_valid, first_pwron;
+ u8 soc_level;
+ u8 ocv_soc;
- battery_read(di->rk818, NON_ACT_TIMER_CNT_REG, &buf, 1);
+ /*buf==1: OCV_VOL is valid*/
+ ocv_valid = rk81x_bat_read_bit(di, MISC_MARK_REG, OCV_VALID_SHIFT);
+ first_pwron = rk81x_bat_read_bit(di, MISC_MARK_REG, FIRST_PWRON_SHIFT);
+ DBG("readbit: ocv_valid=%d, first_pwron=%d\n", ocv_valid, first_pwron);
- 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 (first_pwron == 1 || ocv_valid == 1) {
+ DBG("<%s> enter.\n", __func__);
+ ocv_soc = rk81x_bat_vol_to_capacity(di, ocv_voltage);
+ if ((ocv_soc < 20) && (ocv_voltage > 2750)) {
+ di->dod0_voltage = ocv_voltage;
+ di->dod0_capacity = di->temp_nac;
+ di->adjust_cap = 0;
+ di->dod0 = ocv_soc;
- if (di->temp_soc <= 0)
+ if (ocv_soc <= 0)
di->dod0_level = 100;
- else if (di->temp_soc < 5)
+ else if (ocv_soc < 5)
di->dod0_level = 95;
- else if (di->temp_soc < 10)
+ else if (ocv_soc < 10)
di->dod0_level = 90;
+ else
+ di->dod0_level = 80;
/* 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);
+ soc_level = rk81x_bat_get_level(di);
+ if (soc_level > di->dod0_level) {
+ di->dod0_status = 0;
+ soc_level -= 5;
+ if (soc_level <= 80)
+ soc_level = 80;
+ rk81x_bat_save_level(di, soc_level);
+ } else {
+ di->dod0_status = 1;
+ /*time start*/
+ di->fcc_update_sec = get_runtime_sec();
+ }
+
+ dev_info(di->dev, "dod0_vol:%d, dod0_cap:%d\n"
+ "dod0:%d, soc_level:%d: dod0_status:%d\n"
+ "dod0_level:%d",
+ di->dod0_voltage, di->dod0_capacity,
+ ocv_soc, soc_level, di->dod0_status,
+ di->dod0_level);
}
}
-
}
-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)
+static int rk81x_bat_get_rsoc(struct rk81x_battery *di)
{
- return di->remain_capacity * 100 / di->fcc;
+ return (di->remain_capacity + di->fcc / 200) * 100 / div(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_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)
+static int rk81x_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);
+ struct rk81x_battery *di = to_device_info(psy);
switch (psp) {
case POWER_SUPPLY_PROP_CURRENT_NOW:
- val->intval = di->current_avg*1000;/*uA*/
+ val->intval = di->current_avg * 1000;/*uA*/
+ if (di->fg_drv_mode == TEST_POWER_MODE)
+ val->intval = TEST_CURRENT * 1000;
break;
-
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
- val->intval = di->voltage*1000;/*uV*/
- break;
+ val->intval = di->voltage * 1000;/*uV*/
+ if (di->fg_drv_mode == TEST_POWER_MODE)
+ val->intval = TEST_VOLTAGE * 1000;
- 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_PRESENT:
+ val->intval = is_rk81x_bat_exist(di);
+ if (di->fg_drv_mode == TEST_POWER_MODE)
+ val->intval = TEST_PRESET;
-
- case POWER_SUPPLY_PROP_CAPACITY:
- val->intval = di->real_soc;
break;
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = di->dsoc;
+ if (di->fg_drv_mode == TEST_POWER_MODE)
+ val->intval = TEST_SOC;
+ DBG("<%s>, report dsoc: %d\n", __func__, val->intval);
+ break;
case POWER_SUPPLY_PROP_HEALTH:
val->intval = POWER_SUPPLY_HEALTH_GOOD;
break;
-
case POWER_SUPPLY_PROP_STATUS:
- val->intval = di->status;
- break;
+ val->intval = di->psy_status;
+ if (di->fg_drv_mode == TEST_POWER_MODE)
+ val->intval = TEST_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)
+static int rk81x_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);
+ struct rk81x_battery *di = to_ac_device_info(psy);
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
+ if (rk81x_chrg_online(di))
+ rk81x_bat_lowpwr_check(di);
val->intval = di->ac_online; /*discharging*/
- break;
+ if (di->fg_drv_mode == TEST_POWER_MODE)
+ val->intval = TEST_AC_ONLINE;
+ 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)
+static int rk81x_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);
+ struct rk81x_battery *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;
+ if (rk81x_chrg_online(di))
+ rk81x_bat_lowpwr_check(di);
+ val->intval = di->usb_online;
+ if (di->fg_drv_mode == TEST_POWER_MODE)
+ val->intval = TEST_USB_ONLINE;
break;
-
default:
ret = -EINVAL;
break;
return ret;
}
-
-static void battery_power_supply_init(struct battery_info *di)
+static int rk81x_bat_power_supply_init(struct rk81x_battery *di)
{
+ int ret;
+
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->bat.get_property = rk81x_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->ac.get_property = rk81x_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;
+ di->usb.get_property = rk81x_battery_usb_get_property;
- ret = power_supply_register(dev, &di->bat);
+ ret = power_supply_register(di->dev, &di->bat);
if (ret) {
- dev_err(dev, "failed to register main battery\n");
+ dev_err(di->dev, "failed to register main battery\n");
goto batt_failed;
}
- ret = power_supply_register(dev, &di->usb);
+ ret = power_supply_register(di->dev, &di->usb);
if (ret) {
- dev_err(dev, "failed to register usb power supply\n");
+ dev_err(di->dev, "failed to register usb power supply\n");
goto usb_failed;
}
- ret = power_supply_register(dev, &di->ac);
+ ret = power_supply_register(di->dev, &di->ac);
if (ret) {
- dev_err(dev, "failed to register ac power supply\n");
+ dev_err(di->dev, "failed to register ac power supply\n");
goto ac_failed;
}
return ret;
}
-static void _capacity_init(struct battery_info *di, u32 capacity)
-{
- u8 buf;
- u32 capacity_ma;
-
- reset_zero_var(di);
-
- 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)
+static void rk81x_bat_save_remain_capacity(struct rk81x_battery *di,
+ int capacity)
{
u8 buf;
- u32 capacity_ma;
+ static u32 capacity_ma;
if (capacity >= di->qmax)
capacity = di->qmax;
+ if (capacity <= 0)
+ capacity = 0;
+
+ if (capacity_ma == capacity)
+ return;
+
capacity_ma = capacity;
- 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);
+ buf = (capacity_ma >> 24) & 0xff;
+ rk81x_bat_write(di, REMAIN_CAP_REG3, &buf, 1);
+ buf = (capacity_ma >> 16) & 0xff;
+ rk81x_bat_write(di, REMAIN_CAP_REG2, &buf, 1);
+ buf = (capacity_ma >> 8) & 0xff;
+ rk81x_bat_write(di, REMAIN_CAP_REG1, &buf, 1);
+ buf = (capacity_ma & 0xff) | 0x01;
+ rk81x_bat_write(di, REMAIN_CAP_REG0, &buf, 1);
}
-static int _get_remain_capacity(struct battery_info *di)
+static int rk81x_bat_get_remain_capacity(struct rk81x_battery *di)
{
int ret;
- int temp = 0;
u8 buf;
u32 capacity;
+ int i;
+ int val[3];
+
+ for (i = 0; i < 3; i++) {
+ ret = rk81x_bat_read(di, REMAIN_CAP_REG3, &buf, 1);
+ val[i] = buf << 24;
+ ret = rk81x_bat_read(di, REMAIN_CAP_REG2, &buf, 1);
+ val[i] |= buf << 16;
+ ret = rk81x_bat_read(di, REMAIN_CAP_REG1, &buf, 1);
+ val[i] |= buf << 8;
+ ret = rk81x_bat_read(di, REMAIN_CAP_REG0, &buf, 1);
+ val[i] |= buf;
+ }
- 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; */
+ if (val[0] == val[1])
+ capacity = val[0];
+ else
+ capacity = val[2];
return capacity;
}
-
-static void _save_FCC_capacity(struct battery_info *di, u32 capacity)
+static void rk81x_bat_save_fcc(struct rk81x_battery *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);
+ buf = (capacity_ma >> 24) & 0xff;
+ rk81x_bat_write(di, NEW_FCC_REG3, &buf, 1);
+ buf = (capacity_ma >> 16) & 0xff;
+ rk81x_bat_write(di, NEW_FCC_REG2, &buf, 1);
+ buf = (capacity_ma >> 8) & 0xff;
+ rk81x_bat_write(di, NEW_FCC_REG1, &buf, 1);
+ buf = (capacity_ma & 0xff) | 0x01;
+ rk81x_bat_write(di, NEW_FCC_REG0, &buf, 1);
+
+ dev_info(di->dev, "update fcc : %d\n", capacity);
}
-static int _get_FCC_capacity(struct battery_info *di)
+static int rk81x_bat_get_fcc(struct rk81x_battery *di)
{
- int ret;
- int temp = 0;
u8 buf;
u32 capacity;
- 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;
-
- 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);
+ rk81x_bat_read(di, NEW_FCC_REG3, &buf, 1);
+ capacity = buf << 24;
+ rk81x_bat_read(di, NEW_FCC_REG2, &buf, 1);
+ capacity |= buf << 16;
+ rk81x_bat_read(di, NEW_FCC_REG1, &buf, 1);
+ capacity |= buf << 8;
+ rk81x_bat_read(di, NEW_FCC_REG0, &buf, 1);
+ capacity |= buf;
+
+ if (capacity < MIN_FCC) {
+ dev_warn(di->dev, "invalid fcc(0x%x), use design capacity",
+ capacity);
+ capacity = di->design_capacity;
+ rk81x_bat_save_fcc(di, capacity);
+ } else if (capacity > di->qmax) {
+ dev_warn(di->dev, "invalid fcc(0x%x), use qmax", capacity);
+ capacity = di->qmax;
+ rk81x_bat_save_fcc(di, capacity);
+ }
return capacity;
}
-static int _get_realtime_capacity(struct battery_info *di)
+static int rk81x_bat_get_realtime_capacity(struct rk81x_battery *di)
{
int ret;
int temp = 0;
u8 buf;
u32 capacity;
+ int i;
+ int val[3];
+
+ for (i = 0; i < 3; i++) {
+ ret = rk81x_bat_read(di, GASCNT3, &buf, 1);
+ val[i] = buf << 24;
+ ret = rk81x_bat_read(di, GASCNT2, &buf, 1);
+ val[i] |= buf << 16;
+ ret = rk81x_bat_read(di, GASCNT1, &buf, 1);
+ val[i] |= buf << 8;
+ ret = rk81x_bat_read(di, GASCNT0, &buf, 1);
+ val[i] |= buf;
+ }
+ if (val[0] == val[1])
+ temp = val[0];
+ else
+ temp = val[2];
- 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;
-
- capacity = temp/2390;/* 4096*900/14/36*500/521; */
+ 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)
+static int rk81x_bat_save_dsoc(struct rk81x_battery *di, u8 save_soc)
{
- 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);
+ static u8 last_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--;
+ if (last_soc != save_soc) {
+ rk81x_bat_write(di, SOC_REG, &save_soc, 1);
+ last_soc = save_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);
+ return 0;
}
-
-static int _copy_soc(struct battery_info *di, u8 save_soc)
+static int rk81x_bat_save_reboot_cnt(struct rk81x_battery *di, u8 save_cnt)
{
- u8 soc;
+ u8 cnt;
- soc = save_soc;
- battery_write(di->rk818, SOC_REG, &soc, 1);
+ cnt = save_cnt;
+ rk81x_bat_write(di, REBOOT_CNT_REG, &cnt, 1);
return 0;
}
-static bool support_uboot_charge(void)
+static void rk81x_bat_set_current(struct rk81x_battery *di, int charge_current)
{
- return support_uboot_chrg?true:false;
+ u8 usb_ctrl_reg;
+
+ rk81x_bat_read(di, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ usb_ctrl_reg &= (~0x0f);/* (VLIM_4400MV | ILIM_1200MA) |(0x01 << 7); */
+ usb_ctrl_reg |= (charge_current | CHRG_CT_EN);
+ rk81x_bat_write(di, USB_CTRL_REG, &usb_ctrl_reg, 1);
}
-static int _rsoc_init(struct battery_info *di)
+static void rk81x_bat_set_chrg_current(struct rk81x_battery *di,
+ enum charger_type charger_type)
{
- 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;
-#endif
- di->voltage = rk_battery_voltage(di);
- di->voltage_ocv = _get_OCV_voltage(di);
- DBG("OCV voltage = %d\n" , di->voltage_ocv);
+ switch (charger_type) {
+ case NO_CHARGER:
+ case USB_CHARGER:
+ rk81x_bat_set_current(di, ILIM_450MA);
+ break;
+ case AC_CHARGER:
+ case DC_CHARGER:
+ rk81x_bat_set_current(di, di->chrg_i_lmt);
+ break;
+ default:
+ rk81x_bat_set_current(di, ILIM_450MA);
+ }
+}
- if (_is_first_poweron(di)) {
- _save_FCC_capacity(di, di->design_capacity);
- di->fcc = _get_FCC_capacity(di);
+#if defined(CONFIG_ARCH_ROCKCHIP)
+/*
+* There are three ways to detect dc_adp:
+* 1. hardware only support dc_adp: by reg VB_MOD_REG of rk818,
+* do not care about whether define dc_det_pin or not;
+* 2. define de_det_pin: check gpio level;
+* 3. support usb_adp and dc_adp: by VB_MOD_REG and usb interface.
+* case that: gpio invalid or not define.
+*/
+static enum charger_type rk81x_bat_get_dc_state(struct rk81x_battery *di)
+{
+ enum charger_type charger_type;
+ u8 buf;
+ int ret;
- _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);
+ rk81x_bat_read(di, VB_MOD_REG, &buf, 1);
- } 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);
+ /*only HW_ADP_TYPE_DC: det by rk818 is easily and will be successful*/
+ if (!rk81x_bat_support_adp_type(HW_ADP_TYPE_USB)) {
+ if ((buf & PLUG_IN_STS) != 0)
+ charger_type = DC_CHARGER;
+ else
+ charger_type = NO_CHARGER;
+
+ return charger_type;
+ }
+
+ /*det by gpio level*/
+ if (gpio_is_valid(di->dc_det_pin)) {
+ ret = gpio_request(di->dc_det_pin, "rk818_dc_det");
+ if (ret < 0) {
+ pr_err("Failed to request gpio %d with ret:""%d\n",
+ di->dc_det_pin, ret);
+ return NO_CHARGER;
}
-#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) {
+ gpio_direction_input(di->dc_det_pin);
+ ret = gpio_get_value(di->dc_det_pin);
+ if (ret == di->dc_det_level)
+ charger_type = DC_CHARGER;
+ else
+ charger_type = NO_CHARGER;
- if (curr_shtd_time > 30) {
- remain_capacity = di->temp_nac;
- DBG("<%s>shutdown_time > 30 minute, remain_cap = %d\n", __func__, remain_capacity);
+ gpio_free(di->dc_det_pin);
+ DBG("**********rk818 dc_det_pin=%d\n", ret);
- } 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;
+ return charger_type;
- DBG("<%s> shutdown_time > 3 minute, remain_cap = %d\n", __func__, remain_capacity);
- }
- }
+ /*HW_ADP_TYPE_DUAL: det by rk818 and usb*/
+ } else if (rk81x_bat_support_adp_type(HW_ADP_TYPE_DUAL)) {
+ if ((buf & PLUG_IN_STS) != 0) {
+ charger_type = dwc_otg_check_dpdm(0);
+ if (charger_type == 0)
+ charger_type = DC_CHARGER;
+ else
+ charger_type = NO_CHARGER;
}
-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;
-}
+ return charger_type;
+}
-static u8 get_charge_status(struct battery_info *di)
+static enum charger_type rk81x_bat_get_usbac_state(struct rk81x_battery *di)
{
- u8 status;
- u8 ret = 0;
+ enum charger_type charger_type;
+ int usb_id, gadget_flag;
- battery_read(di->rk818, SUP_STS_REG, &status, 1);
- status &= (0x70);
- switch (status) {
- case CHARGE_OFF:
- ret = CHARGE_OFF;
- DBG(" CHARGE-OFF ...\n");
+ usb_id = dwc_otg_check_dpdm(0);
+ switch (usb_id) {
+ case 0:
+ charger_type = NO_CHARGER;
break;
-
- case DEAD_CHARGE:
- ret = DEAD_CHARGE;
- DBG(" DEAD CHARGE ...\n");
+ case 1:
+ case 3:
+ charger_type = USB_CHARGER;
+ break;
+ case 2:
+ charger_type = AC_CHARGER;
+ break;
+ default:
+ charger_type = NO_CHARGER;
+ }
+
+ DBG("<%s>. DWC_OTG = %d\n", __func__, usb_id);
+ if (charger_type == USB_CHARGER) {
+ gadget_flag = get_gadget_connect_flag();
+ DBG("<%s>. gadget_flag=%d, check_cnt=%d\n",
+ __func__, gadget_flag, di->check_count);
+
+ if (0 == gadget_flag) {
+ if (++di->check_count >= 5) {
+ charger_type = AC_CHARGER;
+ DBG("<%s>. turn to AC_CHARGER, check_cnt=%d\n",
+ __func__, di->check_count);
+ } else {
+ charger_type = USB_CHARGER;
+ }
+ } else {
+ charger_type = USB_CHARGER;
+ di->check_count = 0;
+ }
+ } else {
+ di->check_count = 0;
+ }
+
+ return charger_type;
+}
+
+/*
+ * when support HW_ADP_TYPE_DUAL, and at the moment that usb_adp
+ * and dc_adp are plugined in together, the dc_apt has high priority.
+ * so we check dc_apt first and return rigth away if it's found.
+ */
+static enum charger_type rk81x_bat_get_adp_type(struct rk81x_battery *di)
+{
+ u8 buf;
+ enum charger_type charger_type = NO_CHARGER;
+
+ /*check by ic hardware: this check make check work safer*/
+ rk81x_bat_read(di, VB_MOD_REG, &buf, 1);
+ if ((buf & PLUG_IN_STS) == 0)
+ return NO_CHARGER;
+
+ /*check DC first*/
+ if (rk81x_bat_support_adp_type(HW_ADP_TYPE_DC)) {
+ charger_type = rk81x_bat_get_dc_state(di);
+ if (charger_type == DC_CHARGER)
+ return charger_type;
+ }
+
+ /*HW_ADP_TYPE_USB*/
+ charger_type = rk81x_bat_get_usbac_state(di);
+
+ return charger_type;
+}
+
+static void rk81x_bat_status_check(struct rk81x_battery *di)
+{
+ static enum charger_type old_charger_type = DUAL_CHARGER;
+ enum charger_type charger_type;
+
+ charger_type = rk81x_bat_get_adp_type(di);
+ if (charger_type == old_charger_type)
+ return;
+ rk81x_bat_set_chrg_current(di, charger_type);
+ rk81x_bat_set_power_supply_state(di, charger_type);
+ old_charger_type = charger_type;
+}
+#endif
+
+#if defined(CONFIG_X86_INTEL_SOFIA)
+static int rk81x_get_chrg_type_by_usb_phy(struct rk81x_battery *di, int ma)
+{
+ enum charger_type charger_type;
+
+ if (ma > 500)
+ charger_type = AC_CHARGER;
+ else if (ma >= 100)
+ charger_type = USB_CHARGER;
+ else
+ charger_type = NO_CHARGER;
+
+ di->ma = ma;
+
+ dev_info(di->dev, "limit current:%d\n", ma);
+
+ return charger_type;
+}
+
+static void rk81x_battery_usb_notifier_delayed_work(struct work_struct *work)
+{
+ struct rk81x_battery *di;
+ enum charger_type type;
+
+ di = container_of(work, struct rk81x_battery, usb_phy_delay_work.work);
+ type = rk81x_get_chrg_type_by_usb_phy(di, di->ma);
+
+ rk81x_bat_set_chrg_current(di, type);
+ power_supply_changed(&di->usb);
+}
+
+static int rk81x_battery_usb_notifier(struct notifier_block *nb,
+ unsigned long event, void *data)
+{
+ struct rk81x_battery *di;
+ struct power_supply_cable_props *cable_props;
+ enum charger_type type;
+
+ di = container_of(nb, struct rk81x_battery, usb_nb);
+
+ if (!data)
+ return NOTIFY_BAD;
+
+ switch (event) {
+ case USB_EVENT_CHARGER:
+ cable_props = (struct power_supply_cable_props *)data;
+ type = rk81x_get_chrg_type_by_usb_phy(di, cable_props->ma);
+ rk81x_bat_set_power_supply_state(di, type);
+ queue_delayed_work(di->wq, &di->usb_phy_delay_work,
+ msecs_to_jiffies(50));
+ break;
+
+ default:
break;
+ }
+
+ return NOTIFY_OK;
+}
+#endif
+
+static int rk81x_battery_fb_notifier(struct notifier_block *nb,
+ unsigned long event, void *data)
+{
+ struct rk81x_battery *di;
+ struct fb_event *evdata = data;
+ int blank;
+
+ di = container_of(nb, struct rk81x_battery, fb_nb);
+
+ if (event != FB_EVENT_BLANK && event != FB_EVENT_CONBLANK)
+ return 0;
+
+ blank = *(int *)evdata->data;
+
+ if (di->fb_blank != blank)
+ di->fb_blank = blank;
+ else
+ return 0;
+
+ if (blank == FB_BLANK_UNBLANK)
+ di->early_resume = 1;
+
+ return 0;
+}
+
+static int rk81x_battery_register_fb_notify(struct rk81x_battery *di)
+{
+ memset(&di->fb_nb, 0, sizeof(di->fb_nb));
+ di->fb_nb.notifier_call = rk81x_battery_fb_notifier;
+
+ return fb_register_client(&di->fb_nb);
+}
+
+/*
+ * it is first time for battery to be weld, init by ocv table
+ */
+static void rk81x_bat_first_pwron(struct rk81x_battery *di)
+{
+ rk81x_bat_save_fcc(di, di->design_capacity);
+ di->fcc = rk81x_bat_get_fcc(di);
+
+ di->rsoc = rk81x_bat_vol_to_capacity(di, di->voltage_ocv);
+ di->dsoc = di->rsoc;
+ di->nac = di->temp_nac;
+
+ rk81x_bat_set_bit(di, MISC_MARK_REG, OCV_VALID_SHIFT);
+ rk81x_bat_set_bit(di, MISC_MARK_REG, FIRST_PWRON_SHIFT);/*save*/
+ DBG("<%s>.this is first poweron: OCV-SOC:%d, OCV-CAP:%d, FCC:%d\n",
+ __func__, di->dsoc, di->nac, di->fcc);
+}
+
+static int rk81x_bat_get_calib_vol(struct rk81x_battery *di)
+{
+ int calib_vol;
+ int init_cur, diff;
+ int est_vol;
+ int relax_vol = di->relax_voltage;
+ int ocv_vol = di->voltage_ocv;
+
+ init_cur = rk81x_bat_get_avg_current(di);
+ diff = (di->bat_res + di->pdata->chrg_diff_vol) * init_cur;
+ diff /= 1000;
+ est_vol = di->voltage - diff;
- case TRICKLE_CHARGE: /* (0x02 << 4) */
+ if (di->loader_charged) {
+ calib_vol = est_vol;
+ return calib_vol;
+ }
+
+ if (di->pwroff_min > 8) {
+ if (abs(relax_vol - ocv_vol) < 100) {
+ calib_vol = ocv_vol;
+ } else {
+ if (abs(relax_vol - est_vol) > abs(ocv_vol - est_vol))
+ calib_vol = ocv_vol;
+ else
+ calib_vol = relax_vol;
+ }
+ } else if (di->pwroff_min > 2) {
+ calib_vol = ocv_vol;
+ } else {
+ calib_vol = -1;
+ }
+
+ dev_info(di->dev, "c=%d, v=%d, relax=%d, ocv=%d, est=%d, calib=%d\n",
+ init_cur, di->voltage, relax_vol, ocv_vol, est_vol, calib_vol);
+
+ return calib_vol;
+}
+
+/*
+ * it is not first time for battery to be weld, init by last record info
+ */
+static void rk81x_bat_not_first_pwron(struct rk81x_battery *di)
+{
+ u8 pwron_soc;
+ u8 init_soc;
+ int remain_capacity;
+ int ocv_soc;
+ int calib_vol, calib_soc, calib_capacity;
+
+ rk81x_bat_clr_bit(di, MISC_MARK_REG, FIRST_PWRON_SHIFT);
+ rk81x_bat_read(di, SOC_REG, &pwron_soc, 1);
+ init_soc = pwron_soc;
+ remain_capacity = rk81x_bat_get_remain_capacity(di);
+
+ /* check if support uboot charge,
+ * if support, uboot charge driver should have done init work,
+ * so here we should skip init work
+ */
+#if defined(CONFIG_ARCH_ROCKCHIP)
+ if (di->loader_charged)
+ goto out;
+#endif
+ calib_vol = rk81x_bat_get_calib_vol(di);
+ if (calib_vol > 0) {
+ calib_soc = rk81x_bat_vol_to_capacity(di, calib_vol);
+ calib_capacity = di->temp_nac;
+
+ if (abs(calib_soc - init_soc) >= 70 || di->loader_charged) {
+ init_soc = calib_soc;
+ remain_capacity = calib_capacity;
+ }
+ dev_info(di->dev, "calib_vol %d, init soc %d, remain_cap %d\n",
+ calib_vol, init_soc, remain_capacity);
+ }
+
+ ocv_soc = rk81x_bat_vol_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 (di->pwroff_min > 0) {
+ if (di->pwroff_min > 30) {
+ rk81x_bat_set_bit(di, MISC_MARK_REG, OCV_VALID_SHIFT);
+
+ remain_capacity = di->temp_nac;
+ DBG("<%s>pwroff > 30 minute, remain_cap = %d\n",
+ __func__, remain_capacity);
+
+ } else if ((di->pwroff_min > 5) &&
+ (abs(ocv_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> pwroff > 5 minute, remain_cap = %d\n",
+ __func__, remain_capacity);
+ }
+ } else {
+ rk81x_bat_clr_bit(di, MISC_MARK_REG, OCV_VALID_SHIFT);
+ }
+out:
+ di->dsoc = init_soc;
+ di->nac = remain_capacity;
+ if (di->nac <= 0)
+ di->nac = 0;
+ dev_info(di->dev, "reg soc=%d, init soc = %d, init cap=%d\n",
+ pwron_soc, di->dsoc, di->nac);
+}
+
+static u8 rk81x_bat_get_pwroff_min(struct rk81x_battery *di)
+{
+ u8 curr_pwroff_min, last_pwroff_min;
+
+ rk81x_bat_read(di, NON_ACT_TIMER_CNT_REG,
+ &curr_pwroff_min, 1);
+ rk81x_bat_read(di, NON_ACT_TIMER_CNT_REG_SAVE,
+ &last_pwroff_min, 1);
+
+ rk81x_bat_write(di, NON_ACT_TIMER_CNT_REG_SAVE,
+ &curr_pwroff_min, 1);
+
+ return (curr_pwroff_min != last_pwroff_min) ? curr_pwroff_min : 0;
+}
+
+static int rk81x_bat_rsoc_init(struct rk81x_battery *di)
+{
+ u8 calib_en;/*debug*/
+
+ di->voltage = rk81x_bat_get_vol(di);
+ di->voltage_ocv = rk81x_bat_get_ocv_vol(di);
+ di->pwroff_min = rk81x_bat_get_pwroff_min(di);
+ di->relax_voltage = rk81x_bat_get_relax_vol(di);
+ di->current_avg = rk81x_bat_get_avg_current(di);
+
+ dev_info(di->dev, "v=%d, ov=%d, rv=%d, c=%d, pwroff_min=%d\n",
+ di->voltage, di->voltage_ocv, di->relax_voltage,
+ di->current_avg, di->pwroff_min);
+
+ calib_en = rk81x_bat_read_bit(di, MISC_MARK_REG, OCV_CALIB_SHIFT);
+ DBG("readbit: calib_en=%d\n", calib_en);
+ if (is_rk81x_bat_first_poweron(di) ||
+ ((di->pwroff_min >= 30) && (calib_en == 1))) {
+ rk81x_bat_first_pwron(di);
+ rk81x_bat_clr_bit(di, MISC_MARK_REG, OCV_CALIB_SHIFT);
+
+ } else {
+ rk81x_bat_not_first_pwron(di);
+ }
+
+ return 0;
+}
+
+static u8 rk81x_bat_get_chrg_status(struct rk81x_battery *di)
+{
+ u8 status;
+ u8 ret = 0;
+
+ rk81x_bat_read(di, 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:
ret = DEAD_CHARGE;
DBG(" TRICKLE CHARGE ...\n ");
break;
-
- case CC_OR_CV: /* (0x03 << 4) */
+ case CC_OR_CV:
ret = CC_OR_CV;
DBG(" CC or CV ...\n");
break;
-
- case CHARGE_FINISH: /* (0x04 << 4) */
+ case CHARGE_FINISH:
ret = CHARGE_FINISH;
DBG(" CHARGE FINISH ...\n");
break;
-
- case USB_OVER_VOL: /* (0x05 << 4) */
+ case USB_OVER_VOL:
ret = USB_OVER_VOL;
DBG(" USB OVER VOL ...\n");
break;
-
- case BAT_TMP_ERR: /* (0x06 << 4) */
+ case BAT_TMP_ERR:
ret = BAT_TMP_ERR;
DBG(" BAT TMP ERROR ...\n");
break;
-
- case TIMER_ERR: /* (0x07 << 4) */
+ case TIMER_ERR:
ret = TIMER_ERR;
DBG(" TIMER ERROR ...\n");
break;
-
- case USB_EXIST: /* (1 << 1)// usb is exists */
+ case USB_EXIST:
ret = USB_EXIST;
DBG(" USB EXIST ...\n");
break;
-
- case USB_EFF: /* (1 << 0)// usb is effective */
+ case USB_EFF:
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)
+static void rk81x_bat_match_param(struct rk81x_battery *di, int chrg_vol,
+ int chrg_ilim, int chrg_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])
+ di->chrg_v_lmt = DEF_CHRG_VOL;
+ di->chrg_i_lmt = DEF_CHRG_CURR_LMT;
+ di->chrg_i_cur = DEF_CHRG_CURR_SEL;
+
+ for (i = 0; i < ARRAY_SIZE(CHRG_V_LMT); i++) {
+ if (chrg_vol < CHRG_V_LMT[i])
break;
- else
- di->chg_v_lmt = (i << CHG_VOL_SHIFT);
+
+ di->chrg_v_lmt = (i << CHRG_VOL_SHIFT);
}
- for (i=0; i<ARRAY_SIZE(CHG_I_LMT); i++){
- if (chg_ilim < CHG_I_LMT[i])
+ for (i = 0; i < ARRAY_SIZE(CHRG_I_LMT); i++) {
+ if (chrg_ilim < CHRG_I_LMT[i])
break;
- else
- di->chg_i_lmt = (i << CHG_ILIM_SHIFT);
+
+ di->chrg_i_lmt = (i << CHRG_ILIM_SHIFT);
}
- for (i=0; i<ARRAY_SIZE(CHG_I_CUR); i++){
- if (chg_cur < CHG_I_CUR[i])
+ for (i = 0; i < ARRAY_SIZE(CHRG_I_CUR); i++) {
+ if (chrg_cur < CHRG_I_CUR[i])
break;
- else
- di->chg_i_cur = (i << CHG_ICUR_SHIFT);
+
+ di->chrg_i_cur = (i << CHRG_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);
+ DBG("<%s>. vol = 0x%x, i_lim = 0x%x, cur=0x%x\n",
+ __func__, di->chrg_v_lmt, di->chrg_i_lmt, di->chrg_i_cur);
}
-static void rk_battery_charger_init(struct battery_info *di)
+static u8 rk81x_bat_select_finish_ma(int fcc)
{
- 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);
+ u8 ma = FINISH_150MA;
- chrg_ctrl_reg3 |= CHRG_TERM_DIG_SIGNAL;/* digital finish mode*/
- chrg_ctrl_reg2 &= ~(0xc0);
- chrg_ctrl_reg2 |= FINISH_100MA;
+ if (fcc > 5000)
+ ma = FINISH_250MA;
- sup_sts_reg &= ~(0x01 << 3);
- sup_sts_reg |= (0x01 << 2);
+ else if (fcc >= 4000)
+ ma = FINISH_200MA;
- 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);
+ else if (fcc >= 3000)
+ ma = FINISH_150MA;
- 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");
+ else
+ ma = FINISH_100MA;
- DBG("%s end\n", __func__);
+ return ma;
}
-
-void charge_disable_open_otg(int value)
+#if 0
+/*
+ * there is a timer inside rk81x to calc how long the battery is in charging
+ * state. rk81x will close PowerPath inside IC when timer reach, which will
+ * stop the charging work. we have to reset the corresponding bits to restart
+ * the timer to avoid that case.
+ */
+static void rk81x_bat_init_chrg_timer(struct rk81x_battery *di)
{
- struct battery_info *di = g_battery;
+ u8 buf;
- 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);
- }
+ rk81x_bat_read(di, CHRG_CTRL_REG3, &buf, 1);
+ buf &= ~CHRG_TIMER_CCCV_EN;
+ rk81x_bat_write(di, CHRG_CTRL_REG3, &buf, 1);
+ udelay(40);
+ rk81x_bat_read(di, CHRG_CTRL_REG3, &buf, 1);
+ buf |= CHRG_TIMER_CCCV_EN;
+ rk81x_bat_write(di, CHRG_CTRL_REG3, &buf, 1);
+ dev_info(di->dev, "reset cccv charge timer\n");
}
+#endif
-static void low_waring_init(struct battery_info *di)
+static void rk81x_bat_charger_init(struct rk81x_battery *di)
{
- u8 vb_mon_reg;
- u8 vb_mon_reg_init;
+ u8 chrg_ctrl_reg1, usb_ctrl_reg, chrg_ctrl_reg2, chrg_ctrl_reg3;
+ u8 sup_sts_reg, thremal_reg, ggcon;
+ int chrg_vol, chrg_cur, chrg_ilim;
+ u8 finish_ma;
- battery_read(di->rk818, VB_MOD_REG, &vb_mon_reg, 1);
+ chrg_vol = di->pdata->max_charger_voltagemV;
+ chrg_cur = di->pdata->max_charger_currentmA;
+ chrg_ilim = di->pdata->max_charger_ilimitmA;
- /* 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);
-}
+ rk81x_bat_match_param(di, chrg_vol, chrg_ilim, chrg_cur);
+ finish_ma = rk81x_bat_select_finish_ma(di->fcc);
-static int set_low_power_interrupt(struct battery_info *di)
-{
- int ret;
- u8 buf;
+ /*rk81x_bat_init_chrg_timer(di);*/
+
+ rk81x_bat_read(di, THERMAL_REG, &thremal_reg, 1);
+ rk81x_bat_read(di, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ rk81x_bat_read(di, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ rk81x_bat_read(di, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
+ rk81x_bat_read(di, SUP_STS_REG, &sup_sts_reg, 1);
+ rk81x_bat_read(di, CHRG_CTRL_REG3, &chrg_ctrl_reg3, 1);
+ rk81x_bat_read(di, GGCON, &ggcon, 1);
+
+ usb_ctrl_reg &= (~0x0f);
+
+ if (rk81x_bat_support_adp_type(HW_ADP_TYPE_USB))
+ usb_ctrl_reg |= (CHRG_CT_EN | ILIM_450MA);/*en temp feed back*/
+ else
+ usb_ctrl_reg |= (CHRG_CT_EN | di->chrg_i_lmt);
+
+ if (di->fg_drv_mode == TEST_POWER_MODE)
+ usb_ctrl_reg |= (CHRG_CT_EN | di->chrg_i_lmt);
+
+ chrg_ctrl_reg1 &= (0x00);
+ chrg_ctrl_reg1 |= (CHRG_EN) | (di->chrg_v_lmt | di->chrg_i_cur);
- 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);
+ chrg_ctrl_reg3 |= CHRG_TERM_DIG_SIGNAL;/* digital finish mode*/
+ chrg_ctrl_reg3 &= ~CHRG_TIMER_CCCV_EN;/*disable*/
+
+ chrg_ctrl_reg2 &= ~(0xc7);
+ chrg_ctrl_reg2 |= finish_ma | CHG_CCCV_6HOUR;
- return 0;
-
+ sup_sts_reg &= ~(0x01 << 3);
+ sup_sts_reg |= (0x01 << 2);
+
+ thremal_reg &= (~0x0c);
+ thremal_reg |= TEMP_105C;/*temp feed back: 105c*/
+ ggcon |= ADC_CURRENT_MODE;
+
+ rk81x_bat_write(di, THERMAL_REG, &thremal_reg, 1);
+ rk81x_bat_write(di, CHRG_CTRL_REG3, &chrg_ctrl_reg3, 1);
+ /*don't touch charge setting when boot int loader charge mode*/
+ if (!di->loader_charged)
+ rk81x_bat_write(di, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ rk81x_bat_write(di, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ rk81x_bat_write(di, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
+ rk81x_bat_write(di, SUP_STS_REG, &sup_sts_reg, 1);
+ rk81x_bat_write(di, GGCON, &ggcon, 1);
}
-//set power off voltage 3.0v
-static int set_low_power_shutdown(struct battery_info *di)
+void rk81x_charge_disable_open_otg(struct rk81x_battery *di)
{
- int ret;
- u8 buf;
+ enum bc_port_type event = di->charge_otg;
- 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);
+ switch (event) {
+ case USB_OTG_POWER_ON:
+ 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);
+ break;
- return 0;
+ case USB_OTG_POWER_OFF:
+ DBG("charge enable, disable OTG.\n");
+ rk818_set_bits(di->rk818, 0x23, 1 << 7, 0 << 7);
+ rk818_set_bits(di->rk818, CHRG_CTRL_REG1, 1 << 7, 1 << 7);
+ break;
+
+ default:
+ break;
+ }
}
-static void fg_init(struct battery_info *di)
+static void rk81x_bat_fg_init(struct rk81x_battery *di)
{
- u8 adc_ctrl_val;
+ u8 pcb_offset;
+ int cal_offset;
+ u8 val;
- adc_ctrl_val = 0x30;
- battery_write(di->rk818, ADC_CTRL_REG, &adc_ctrl_val, 1);
+ val = 0x30;
+ rk81x_bat_write(di, ADC_CTRL_REG, &val, 1);
- _gauge_enable(di);
+ rk81x_bat_gauge_enable(di);
/* get the volatege offset */
- _get_voltage_offset_value(di);
- rk_battery_charger_init(di);
- _set_relax_thres(di);
+ rk81x_bat_get_vol_offset(di);
+ rk81x_bat_charger_init(di);
+ rk81x_bat_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);
+ di->current_offset = rk81x_bat_get_ioffset(di);
+ rk81x_bat_read(di, PCB_IOFFSET_REG, &pcb_offset, 1);
+ DBG("<%s>. pcb_offset = 0x%x, io_offset = 0x%x\n",
+ __func__, pcb_offset, di->current_offset);
+ if (!pcb_offset)
+ pcb_offset = DEF_PCB_OFFSET;
+ cal_offset = pcb_offset + di->current_offset;
+ if (cal_offset < 0x7ff || cal_offset > 0x8ff)
+ cal_offset = DEF_CAL_OFFSET;
+ rk81x_bat_set_cal_offset(di, cal_offset);
+ /* set sample time for cal_offset interval*/
+ rk81x_bat_ioffset_sample_set(di, SAMP_TIME_8MIN);
- di->remain_capacity = _get_realtime_capacity(di);
- di->current_avg = _get_average_current(di);
+ rk81x_bat_rsoc_init(di);
+ rk81x_bat_capacity_init(di, di->nac);
+ rk81x_bat_capacity_init_post(di);
- 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);
+ di->remain_capacity = rk81x_bat_get_realtime_capacity(di);
+ di->current_avg = rk81x_bat_get_avg_current(di);
+
+ rk81x_bat_restart_relax(di);
+ rk81x_bat_power_on_save(di, di->voltage_ocv);
+ val = 0;
+ rk81x_bat_write(di, OCV_VOL_VALID_REG, &val, 1);
+
+ rk81x_dbg_dmp_gauge_regs(di);
+ rk81x_dbg_dmp_charger_regs(di);
DBG("<%s> :\n"
"nac = %d , remain_capacity = %d\n"
"OCV_voltage = %d, voltage = %d\n"
- "SOC = %d, fcc = %d\n, current=%d",
+ "SOC = %d, fcc = %d\n, current=%d\n"
+ "cal_offset = 0x%x\n",
__func__,
di->nac, di->remain_capacity,
di->voltage_ocv, di->voltage,
- di->real_soc, di->fcc, di->current_avg);
+ di->dsoc, di->fcc, di->current_avg,
+ cal_offset);
}
-
-/* int R_soc, D_soc, r_soc, zq, k, Q_err, Q_ocv; */
-static void zero_get_soc(struct battery_info *di)
+static void rk81x_bat_zero_calc_linek(struct rk81x_battery *di)
{
int dead_voltage, ocv_voltage;
- int temp_soc = -1, real_soc;
- int currentold, currentnow, voltage;
- int i;
- int voltage_k;
+ int voltage, voltage_old, voltage_now;
+ int i, rsoc;
+ int q_ocv, q_dead;
int count_num = 0;
- int q_ocv;
- int soc_time;
+ int currentnow;
+ int ocv_soc, dead_soc;
+ int power_off_thresd = di->pdata->power_off_thresd;
- DBG("\n\n+++++++zero mode++++++display soc+++++++++++\n");
do {
- currentold = _get_average_current(di);
- _get_cal_offset(di);
- _get_ioffset(di);
+ voltage_old = rk81x_bat_get_vol(di);
msleep(100);
- currentnow = _get_average_current(di);
+ voltage_now = rk81x_bat_get_vol(di);
count_num++;
- } while ((currentold == currentnow) && (count_num < 11));
+ } while ((voltage_old == voltage_now) && (count_num < 11));
+ DBG("<%s>. current calc count=%d\n", __func__, count_num);
- voltage = 0;
- for (i = 0; i < 10 ; i++)
- voltage += rk_battery_voltage(di);
+ voltage = 0;
+ for (i = 0; i < 10; i++) {
+ voltage += rk81x_bat_get_vol(di);
+ msleep(100);
+ }
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 {
- 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;
- }
+ currentnow = rk81x_bat_get_avg_current(di);
- 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;
- }
+ /* 50 mo power-path mos */
+ dead_voltage = power_off_thresd - currentnow *
+ (di->bat_res + DEF_PWRPATH_RES) / 1000;
+
+ ocv_voltage = voltage - (currentnow * di->bat_res) / 1000;
+ DBG("ZERO0: dead_voltage(shtd) = %d, ocv_voltage(now) = %d\n",
+ dead_voltage, ocv_voltage);
+
+ dead_soc = rk81x_bat_vol_to_capacity(di, dead_voltage);
+ q_dead = di->temp_nac;
+ DBG("ZERO0: dead_voltage_soc = %d, q_dead = %d\n",
+ dead_soc, q_dead);
+
+ ocv_soc = rk81x_bat_vol_to_capacity(di, ocv_voltage);
+ q_ocv = di->temp_nac;
+ DBG("ZERO0: ocv_voltage_soc = %d, q_ocv = %d\n",
+ ocv_soc, q_ocv);
+
+ rsoc = ocv_soc - dead_soc;
+ if ((di->dsoc == 1) && (rsoc > 0)) {/*discharge*/
+ di->line_k = 1000;
+ } else if (rsoc > 0) {
+ di->line_k = (di->display_soc + rsoc / 2) / div(rsoc);
} 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 {
- if (di->update_k > 10) {
- di->update_k = 0;
- di->real_soc--;
- }
- }
- }
-out:
- if (di->line_k <= 0) {
- reset_zero_var(di);
- DBG("ZERO: line_k <= 0, Update line_k!\n");
+ di->dsoc--;
+ di->display_soc = di->dsoc * 1000;
}
- 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);
+ di->zero_old_remain_cap = di->remain_capacity;
+
+ DBG("ZERO-new: new-line_k=%d, dsoc=%d, X0soc=%d\n"
+ "ZERO-new: di->display_soc=%d, old_remain_cap=%d\n\n",
+ di->line_k, di->dsoc, rsoc,
+ di->display_soc, di->zero_old_remain_cap);
}
+static void rk81x_bat_zero_algorithm(struct rk81x_battery *di)
+{
+ int delta_cap, delta_soc;
+ int tmp_dsoc;
+
+ di->zero_timeout_cnt++;
+ delta_cap = di->zero_old_remain_cap - di->remain_capacity;
+ delta_soc = di->line_k * (delta_cap * 100) / div(di->fcc);
+
+ DBG("ZERO1: line_k=%d, display_soc(Y0)=%d, dsoc=%d, rsoc=%d\n"
+ "ZERO1: delta_soc(X0)=%d, delta_cap=%d, old_remain_cap = %d\n"
+ "ZERO1: timeout_cnt=%d\n\n",
+ di->line_k, di->display_soc, di->dsoc, di->rsoc,
+ delta_soc, delta_cap, di->zero_old_remain_cap,
+ di->zero_timeout_cnt);
+
+ if ((abs(delta_soc) > MIN_ZERO_ACCURACY) ||
+ (di->zero_timeout_cnt > 500)) {
+ DBG("ZERO1:--------- enter calc -----------\n");
+ di->zero_timeout_cnt = 0;
+ di->display_soc -= delta_soc;
+ tmp_dsoc = (di->display_soc + 500) / 1000;
+ di->dsoc = tmp_dsoc;
+
+ DBG("ZERO1: display_soc(Y0)=%d, dsoc=%d, rsoc=%d, tmp_soc=%d",
+ di->display_soc, di->dsoc, di->rsoc, tmp_dsoc);
-static int estimate_bat_ocv_vol(struct battery_info *di)
+ rk81x_bat_zero_calc_linek(di);
+ }
+}
+
+static int rk81x_bat_est_ocv_vol(struct rk81x_battery *di)
{
return (di->voltage -
(di->bat_res * di->current_avg) / 1000);
}
-static int estimate_bat_ocv_soc(struct battery_info *di)
+static int rk81x_bat_est_ocv_soc(struct rk81x_battery *di)
{
int ocv_soc, ocv_voltage;
-
- ocv_voltage = estimate_bat_ocv_vol(di);
- _voltage_to_capacity(di, ocv_voltage);
- ocv_soc = di->temp_soc;
+
+ ocv_voltage = rk81x_bat_est_ocv_vol(di);
+ ocv_soc = rk81x_bat_vol_to_capacity(di, ocv_voltage);
return ocv_soc;
}
-static void rsoc_dischrg_calib(struct battery_info *di)
+/* we will estimate a ocv voltage to get a ocv soc.
+ * if there is a big offset between ocv_soc and rsoc,
+ * we will decide whether we should reinit capacity or not
+ */
+static void rk81x_bat_rsoc_dischrg_check(struct rk81x_battery *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;
+ int rsoc = rk81x_bat_get_rsoc(di);
+ int max_volt = di->pdata->max_charger_voltagemV;
if (ocv_volt > max_volt)
goto out;
- 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)) {
-
+ if (di->plug_out_min >= RSOC_CALIB_DISCHRGR_TIME) {
+ if ((ocv_soc-rsoc >= RSOC_DISCHRG_ERR_LOWER) ||
+ (di->rsoc == 0) ||
+ (rsoc-ocv_soc >= RSOC_DISCHRG_ERR_UPPER)) {
di->err_chck_cnt++;
di->err_soc_sum += ocv_soc;
- } else
+ } else {
goto out;
-
- 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);
+ }
+ DBG("<%s>. rsoc err_chck_cnt = %d, err_soc_sum = %d\n",
+ __func__, di->err_chck_cnt, di->err_soc_sum);
if (di->err_chck_cnt >= RSOC_ERR_CHCK_CNT) {
-
ocv_soc = di->err_soc_sum / RSOC_ERR_CHCK_CNT;
- if (temp_soc-ocv_soc >= RSOC_DISCHG_ERR_UPPER)
+ if (rsoc-ocv_soc >= RSOC_DISCHRG_ERR_UPPER)
ocv_soc += RSOC_COMPS;
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);
+ rk81x_bat_capacity_init(di, di->temp_nac);
+ rk81x_bat_capacity_init_post(di);
+ di->rsoc = rk81x_bat_get_rsoc(di);
+ di->remain_capacity =
+ rk81x_bat_get_realtime_capacity(di);
di->err_soc_sum = 0;
di->err_chck_cnt = 0;
DBG("<%s>. update: rsoc = %d\n", __func__, ocv_soc);
di->err_chck_cnt = 0;
di->err_soc_sum = 0;
}
-
}
-static void rsoc_realtime_calib(struct battery_info *di)
+static void rk81x_bat_rsoc_check(struct rk81x_battery *di)
{
- u8 status = di->status;
+ u8 status = di->psy_status;
if ((status == POWER_SUPPLY_STATUS_CHARGING) ||
- (status == POWER_SUPPLY_STATUS_FULL)) {
-
- if ((di->current_avg < -10) &&
- (di->charge_status != CHARGE_FINISH))
- rsoc_dischrg_calib(di);
+ (status == POWER_SUPPLY_STATUS_FULL)) {
+ if ((di->current_avg < 0) &&
+ (di->chrg_status != CHARGE_FINISH))
+ rk81x_bat_rsoc_dischrg_check(di);
/*
else
rsoc_chrg_calib(di);
*/
} else if (status == POWER_SUPPLY_STATUS_DISCHARGING) {
- rsoc_dischrg_calib(di);
+ rk81x_bat_rsoc_dischrg_check(di);
}
}
-static bool do_ac_charger_emulator(struct battery_info *di)
+static void rk81x_bat_emulator_dischrg(struct rk81x_battery *di)
{
- int delta_soc = di->temp_soc - di->real_soc;
- u32 soc_time;
+ u32 temp, soc_time = 0;
+ unsigned long sec_unit;
- 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);
+ if (!di->dischrg_emu_base)
+ di->dischrg_emu_base = get_runtime_sec();
- return true;
+ sec_unit = BASE_TO_SEC(di->dischrg_emu_base) + di->dischrg_save_sec;
+
+ temp = di->fcc * 3600 / 100;
+
+ if (abs(di->current_avg) < DSOC_DISCHRG_EMU_CURR)
+ soc_time = temp / div(abs(DSOC_DISCHRG_EMU_CURR));
+ else
+ soc_time = temp / div(abs(di->current_avg));
+
+ if (sec_unit > soc_time) {
+ di->dsoc--;
+ di->dischrg_emu_base = get_runtime_sec();
+ di->dischrg_save_sec = 0;
}
- return false;
+ DBG("<%s> soc_time=%d, sec_unit=%lu\n",
+ __func__, soc_time, sec_unit);
}
-static bool do_term_chrg_cali(struct battery_info *di)
+/*
+ * when there is a big offset between dsoc and rsoc, dsoc needs to
+ * speed up to keep pace witch rsoc.
+ */
+static void rk81x_bat_emulator_chrg(struct rk81x_battery *di)
+{
+ u32 soc_time = 0, temp;
+ int plus_soc;
+ unsigned long chrg_emu_sec;
+
+ if (!di->chrg_emu_base)
+ di->chrg_emu_base = get_runtime_sec();
+
+ chrg_emu_sec = BASE_TO_SEC(di->chrg_emu_base) + di->chrg_save_sec;
+ temp = di->fcc * 3600 / 100;
+
+ if (di->ac_online) {
+ if (di->current_avg < DSOC_CHRG_EMU_CURR)
+ soc_time = temp / abs(DSOC_CHRG_EMU_CURR);
+ else
+ soc_time = temp / div(abs(di->current_avg));
+ } else {
+ soc_time = temp / 450;
+ }
+
+ plus_soc = chrg_emu_sec / soc_time;
+ if (chrg_emu_sec > soc_time) {
+ di->dsoc += plus_soc;
+ di->chrg_emu_base = get_runtime_sec();
+ di->chrg_save_sec = 0;
+ }
+
+ DBG("<%s>. soc_time=%d, chrg_emu_sec=%lu, plus_soc=%d\n",
+ __func__, soc_time, chrg_emu_sec, plus_soc);
+}
+
+/* check voltage and current when dsoc is close to full.
+ * we will do a fake charge to adjust charing speed which
+ * aims to make battery full charged and match finish signal.
+ */
+static void rk81x_bat_terminal_chrg(struct rk81x_battery *di)
{
u32 soc_time;
+ int plus_soc;
+ unsigned long chrg_term_sec;
- if (di->ac_online &&
- (di->real_soc >= 90)&&
- (di->current_avg > 600)){
+ if (!di->chrg_term_base)
+ di->chrg_term_base = get_runtime_sec();
- 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);
+ chrg_term_sec = BASE_TO_SEC(di->chrg_term_base) + di->chrg_save_sec;
+ /*check current and voltage*/
- return true;
+ soc_time = di->fcc * 3600 / 100 / (abs(DSOC_CHRG_TERM_CURR));
+
+ plus_soc = chrg_term_sec / soc_time;
+ if (chrg_term_sec > soc_time) {
+ di->dsoc += plus_soc;
+ di->chrg_term_base = get_runtime_sec();
+ di->chrg_save_sec = 0;
}
-
- return false;
+ DBG("<%s>. soc_time=%d, chrg_term_sec=%lu, plus_soc=%d\n",
+ __func__, soc_time, chrg_term_sec, plus_soc);
+}
+
+static void rk81x_bat_normal_dischrg(struct rk81x_battery *di)
+{
+ int soc_time = 0;
+ int now_current = di->current_avg;
+ unsigned long dischrg_normal_sec;
+
+ if (!di->dischrg_normal_base)
+ di->dischrg_normal_base = get_runtime_sec();
+
+ dischrg_normal_sec = BASE_TO_SEC(di->dischrg_normal_base) +
+ di->dischrg_save_sec;
+
+ soc_time = di->fcc * 3600 / 100 / div(abs(now_current));
+ DBG("<%s>. rsoc=%d, dsoc=%d, dischrg_st=%d\n",
+ __func__, di->rsoc, di->dsoc, di->discharge_smooth_status);
+
+ if (di->rsoc == di->dsoc) {
+ DBG("<%s>. rsoc == dsoc\n", __func__);
+ di->dsoc = di->rsoc;
+ di->dischrg_normal_base = get_runtime_sec();
+ di->dischrg_save_sec = 0;
+ /*di->discharge_smooth_status = false;*/
+ } else if (di->rsoc > di->dsoc - 1) {
+ DBG("<%s>. rsoc > dsoc - 1\n", __func__);
+ if (dischrg_normal_sec > soc_time * 3 / 2) {
+ di->dsoc--;
+ di->dischrg_normal_base = get_runtime_sec();
+ di->dischrg_save_sec = 0;
+ }
+ di->discharge_smooth_status = true;
+
+ } else if (di->rsoc < di->dsoc - 1) {
+ DBG("<%s>. rsoc < dsoc - 1\n", __func__);
+ if (dischrg_normal_sec > soc_time * 3 / 4) {
+ di->dsoc--;
+ di->dischrg_normal_base = get_runtime_sec();
+ di->dischrg_save_sec = 0;
+ }
+ di->discharge_smooth_status = true;
+
+ } else if (di->rsoc == di->dsoc - 1) {
+ DBG("<%s>. rsoc == dsoc - 1\n", __func__);
+ if (di->discharge_smooth_status) {
+ if (dischrg_normal_sec > soc_time * 3 / 4) {
+ di->dsoc--;
+ di->dischrg_normal_base = get_runtime_sec();
+ di->dischrg_save_sec = 0;
+ di->discharge_smooth_status = false;
+ }
+ } else {
+ di->dsoc--;
+ di->dischrg_normal_base = get_runtime_sec();
+ di->dischrg_save_sec = 0;
+ di->discharge_smooth_status = false;
+ }
+ }
+
+ DBG("<%s>, rsoc = %d, dsoc = %d, discharge_smooth_status = %d\n"
+ "dischrg_normal_sec = %lu, soc_time = %d, delta_vol=%d\n",
+ __func__, di->rsoc, di->dsoc, di->discharge_smooth_status,
+ dischrg_normal_sec, soc_time, di->delta_vol_smooth);
}
-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);
+static void rk81x_bat_dischrg_smooth(struct rk81x_battery *di)
+{
+ int delta_soc;
+
+ /* first resume from suspend: we don't run this,
+ * the sleep_dischrg will handle dsoc, and what
+ * ever this is fake wakeup or not, we should clean
+ * zero algorithm mode, or it will handle the dsoc.
+ */
+ if (di->s2r) {
+ rk81x_bat_reset_zero_var(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;
- }
+ di->rsoc = rk81x_bat_get_rsoc(di);
- } 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;
+ DBG("<%s>. rsoc = %d, dsoc = %d, dischrg_algorithm_mode=%d\n",
+ __func__, di->rsoc, di->dsoc, di->dischrg_algorithm_mode);
+
+ if (di->dischrg_algorithm_mode == DISCHRG_NORMAL_MODE) {
+ delta_soc = di->dsoc - di->rsoc;
+
+ if (delta_soc > DSOC_DISCHRG_FAST_EER_RANGE) {
+ di->dischrg_normal_base = 0;
+ rk81x_bat_emulator_dischrg(di);
} 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;
- }
+ di->chrg_emu_base = 0;
+ rk81x_bat_normal_dischrg(di);
+ }
+
+ if (di->voltage < ZERO_ALGOR_THRESD) {
+ di->dischrg_normal_base = 0;
+ di->chrg_emu_base = 0;
+ di->dischrg_algorithm_mode = DISCHRG_ZERO_MODE;
+ di->zero_timeout_cnt = 0;
+
+ DBG("<%s>. dsoc=%d, last_zero_mode_dsoc=%d\n",
+ __func__, di->dsoc, di->last_zero_mode_dsoc);
+ if (di->dsoc != di->last_zero_mode_dsoc) {
+ di->display_soc = di->dsoc * 1000;
+ di->last_zero_mode_dsoc = di->dsoc;
+ rk81x_bat_zero_calc_linek(di);
+ DBG("<%s>. first calc, init linek\n", __func__);
}
}
+ } else {
+ rk81x_bat_zero_algorithm(di);
+
+ if (di->voltage > ZERO_ALGOR_THRESD + 50) {
+ di->dischrg_algorithm_mode = DISCHRG_NORMAL_MODE;
+ di->zero_timeout_cnt = 0;
+ DBG("<%s>. exit zero_algorithm\n", __func__);
+ }
}
- 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)
+static void rk81x_bat_dbg_time_table(struct rk81x_battery *di)
{
- return (di->charging_time/60);
-}
+ u8 i;
+ static int old_index;
+ static int old_min;
+ u32 time;
+ int mod = di->dsoc % 10;
+ int index = di->dsoc / 10;
-static int get_discharging_time(struct battery_info *di)
-{
- return (di->discharging_time/60);
-}
+ if (rk81x_chrg_online(di))
+ time = di->plug_in_min;
+ else
+ time = di->plug_out_min;
-static int get_finish_time(struct battery_info *di)
-{
- return (di->finish_time/60);
+ if ((mod == 0) && (index > 0) && (old_index != index)) {
+ di->chrg_min[index-1] = time - old_min;
+ old_min = time;
+ old_index = index;
+ }
+
+ for (i = 1; i < 11; i++)
+ DBG("Time[%d]=%d, ", (i * 10), di->chrg_min[i-1]);
+ DBG("\n");
}
-static void dump_debug_info(struct battery_info *di)
+static void rk81x_bat_dbg_dmp_info(struct rk81x_battery *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);
+ u8 usb_ctrl_reg, chrg_ctrl_reg1, thremal_reg;
+ u8 chrg_ctrl_reg2, chrg_ctrl_reg3, rtc_val, misc_reg;
+
+ rk81x_bat_read(di, MISC_MARK_REG, &misc_reg, 1);
+ rk81x_bat_read(di, GGCON, &ggcon_reg, 1);
+ rk81x_bat_read(di, GGSTS, &ggsts_reg, 1);
+ rk81x_bat_read(di, SUP_STS_REG, &sup_tst_reg, 1);
+ rk81x_bat_read(di, VB_MOD_REG, &vb_mod_reg, 1);
+ rk81x_bat_read(di, USB_CTRL_REG, &usb_ctrl_reg, 1);
+ rk81x_bat_read(di, CHRG_CTRL_REG1, &chrg_ctrl_reg1, 1);
+ rk81x_bat_read(di, CHRG_CTRL_REG2, &chrg_ctrl_reg2, 1);
+ rk81x_bat_read(di, CHRG_CTRL_REG3, &chrg_ctrl_reg3, 1);
+ rk81x_bat_read(di, 0x00, &rtc_val, 1);
+ rk81x_bat_read(di, THERMAL_REG, &thremal_reg, 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"
+ "THERMAL_REG = 0x%2x, MISC_MARK_REG = 0x%x\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,
+ thremal_reg, misc_reg,
chrg_ctrl_reg2, chrg_ctrl_reg3
);
- DBG(
- "########################## [read] ################################\n"
- "-----------------------------------------------------------------\n"
- "realx-voltage = %d, voltage = %d, current-avg = %d\n"
+ DBG("#######################################################\n"
+ "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"
+ "display_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),
+ "i_offset=0x%x, cal_offset=0x%x, adjust_cap=%d\n"
+ "plug_in = %d, plug_out = %d, finish_sig = %d, finish_chrg=%lu\n"
+ "sec: chrg=%lu, dischrg=%lu, term_chrg=%lu, emu_chrg=%lu\n"
+ "emu_dischrg = %lu, power_on_sec = %lu, g_base_sec=%lld\n"
+ "mode:%d, save_chrg_sec = %lu, save_dischrg_sec = %lu\n"
+ "#########################################################\n",
di->voltage, di->current_avg,
- di->fcc, di->remain_capacity, _get_OCV_voltage(di),
+ di->fcc, di->remain_capacity, di->voltage_ocv,
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->dsoc, di->rsoc,
+ di->ac_online, di->usb_online, di->psy_status,
di->debug_finish_real_soc, di->debug_finish_temp_soc,
- get_charging_time(di), get_discharging_time(di), get_finish_time(di)
+ rk81x_bat_get_ioffset(di), rk81x_bat_get_cal_offset(di),
+ di->adjust_cap, di->plug_in_min, di->plug_out_min,
+ di->finish_sig_min, BASE_TO_SEC(di->chrg_finish_base),
+ BASE_TO_SEC(di->chrg_normal_base),
+ BASE_TO_SEC(di->dischrg_normal_base),
+ BASE_TO_SEC(di->chrg_term_base),
+ BASE_TO_SEC(di->chrg_emu_base),
+ BASE_TO_SEC(di->dischrg_emu_base),
+ BASE_TO_SEC(di->power_on_base), g_base_sec,
+ di->current_mode, di->chrg_save_sec, di->dischrg_save_sec
);
- get_charge_status(di);
- DBG("################################################################\n");
+ DBG();
}
-static void update_fcc_capacity(struct battery_info *di)
+static void rk81x_bat_update_fcc(struct rk81x_battery *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;
+ int fcc0;
+ int remain_cap;
+ int dod0_to_soc100_min;
- _capacity_init(di, di->fcc);
- _save_FCC_capacity(di, di->fcc);
- }
- di->dod0_status = 0;
- }
-}
+ remain_cap = di->remain_capacity - di->dod0_capacity - di->adjust_cap;
+ dod0_to_soc100_min = BASE_TO_MIN(di->fcc_update_sec);
-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;
- }
-}
+ DBG("%s: remain_cap:%d, ajust_cap:%d, dod0_status=%d\n"
+ "dod0_capacity:%d, dod0_to_soc100_min:%d\n",
+ __func__, remain_cap, di->adjust_cap, di->dod0_status,
+ di->dod0_capacity, dod0_to_soc100_min);
-static void wait_charge_finish_signal(struct battery_info *di)
-{
- if (di->charge_status == CHARGE_FINISH)
- update_fcc_capacity(di);/* save new fcc*/
+ if ((di->chrg_status == CHARGE_FINISH) && (di->dod0_status == 1) &&
+ (dod0_to_soc100_min < 1200)) {
+ DBG("%s: dod0:%d, dod0_cap:%d, dod0_level:%d\n",
+ __func__, di->dod0, di->dod0_capacity, di->dod0_level);
- /* debug msg*/
- debug_get_finish_soc(di);
-}
+ fcc0 = remain_cap * 100 / div(100 - di->dod0);
-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);
+ dev_info(di->dev, "%s: fcc0:%d, fcc:%d\n",
+ __func__, fcc0, di->fcc);
- 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++;
- }
+ if ((fcc0 < di->qmax) && (fcc0 > 1000)) {
+ di->dod0_status = 0;
+ di->fcc = fcc0;
+ rk81x_bat_capacity_init(di, di->fcc);
+ rk81x_bat_capacity_init_post(di);
+ rk81x_bat_save_fcc(di, di->fcc);
+ rk81x_bat_save_level(di, di->dod0_level);
+ DBG("%s: new fcc0:%d\n", __func__, di->fcc);
}
+
+ di->dod0_status = 0;
}
}
-static void voltage_to_soc_charge_smooth(struct battery_info *di)
+static void rk81x_bat_dbg_get_finish_soc(struct rk81x_battery *di)
{
- int now_current, soc_time;
-
- reset_zero_var(di);
- /*calibrate: aim to match finish signal*/
- if (do_term_chrg_cali(di))
- return;
-
- /*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;
-
- soc_time = di->fcc*3600/100/(abs_int(now_current)); /* 1% time; */
- di->temp_soc = _get_soc(di);
-
- 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 (di->chrg_status == CHARGE_FINISH) {
+ di->debug_finish_real_soc = di->dsoc;
+ di->debug_finish_temp_soc = di->rsoc;
}
- 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;
+static void rk81x_bat_wait_finish_sig(struct rk81x_battery *di)
+{
+ int chrg_finish_vol = di->pdata->max_charger_voltagemV;
+ bool ret;
- }
- }
+ if ((di->chrg_status == CHARGE_FINISH) &&
+ (di->voltage > chrg_finish_vol - 150) && di->enter_finish) {
+ rk81x_bat_update_fcc(di);/* save new fcc*/
+ ret = rk81x_bat_zero_current_calib(di);
+ if (ret)
+ di->enter_finish = false;
+ /* debug msg*/
+ rk81x_bat_dbg_get_finish_soc(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->charge_smooth_time, soc_time);
}
-static void rk_battery_display_smooth(struct battery_info *di)
+static void rk81x_bat_finish_chrg(struct rk81x_battery *di)
{
- int status;
- u8 charge_status;
+ unsigned long sec_finish;
+ int soc_time = 0, plus_soc;
+ int temp;
- status = di->status;
- charge_status = di->charge_status;
- if ((status == POWER_SUPPLY_STATUS_CHARGING) || (status == POWER_SUPPLY_STATUS_FULL)) {
+ if (di->dsoc < 100) {
+ if (!di->chrg_finish_base)
+ di->chrg_finish_base = get_runtime_sec();
- if ((di->current_avg < -10) && (charge_status != CHARGE_FINISH))
- voltage_to_soc_discharge_smooth(di);
+ sec_finish = BASE_TO_SEC(di->chrg_finish_base) +
+ di->chrg_save_sec;
+ temp = di->fcc * 3600 / 100;
+ if (di->ac_online)
+ soc_time = temp / DSOC_CHRG_FINISH_CURR;
else
- voltage_to_soc_charge_smooth(di);
+ soc_time = temp / 450;
- } 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;
+ plus_soc = sec_finish / soc_time;
+ if (sec_finish > soc_time) {
+ di->dsoc += plus_soc;
+ di->chrg_finish_base = get_runtime_sec();
+ di->chrg_save_sec = 0;
}
+ DBG("<%s>,CHARGE_FINISH:dsoc<100,dsoc=%d\n"
+ "soc_time=%d, sec_finish=%lu, plus_soc=%d\n",
+ __func__, di->dsoc, soc_time, sec_finish, plus_soc);
}
-
}
-#if 0
-static void software_recharge(struct battery_info *di, int max_cnt)
+static void rk81x_bat_normal_chrg(struct rk81x_battery *di)
{
- 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++;
- }
-}
-#endif
-
-#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);
+ int now_current;
+ u32 soc_time, unit_sec;
+ int plus_soc = 0;
+ unsigned long chrg_normal_sec;
+
+ now_current = rk81x_bat_get_avg_current(di);
+ soc_time = di->fcc * 3600 / 100 / div(abs(now_current)); /*1% time*/
+
+ if (!di->chrg_normal_base)
+ di->chrg_normal_base = get_runtime_sec();
+
+ chrg_normal_sec = BASE_TO_SEC(di->chrg_normal_base) + di->chrg_save_sec;
+ di->rsoc = rk81x_bat_get_rsoc(di);
+
+ DBG("<%s>. rsoc=%d, dsoc=%d, chrg_st=%d\n",
+ __func__, di->rsoc, di->dsoc, di->charge_smooth_status);
+
+ if (di->dsoc == di->rsoc) {
+ DBG("<%s>. rsoc == dsoc + 1\n", __func__);
+ di->rsoc = rk81x_bat_get_rsoc(di);
+ di->chrg_normal_base = get_runtime_sec();
+ di->chrg_save_sec = 0;
+ /*di->charge_smooth_status = false;*/
+ } else if (di->rsoc < di->dsoc + 1) {
+ DBG("<%s>. rsoc < dsoc + 1\n", __func__);
+ unit_sec = soc_time * 3 / 2;
+ plus_soc = chrg_normal_sec / unit_sec;
+ if (chrg_normal_sec > unit_sec) {
+ di->dsoc += plus_soc;
+ di->chrg_normal_base = get_runtime_sec();
+ di->chrg_save_sec = 0;
}
- 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);
+ di->charge_smooth_status = true;
+ } else if (di->rsoc > di->dsoc + 1) {
+ DBG("<%s>. rsoc > dsoc + 1\n", __func__);
+ unit_sec = soc_time * 3 / 4;
+ plus_soc = chrg_normal_sec / unit_sec;
+ if (chrg_normal_sec > unit_sec) {
+ di->dsoc += plus_soc;
+ di->chrg_normal_base = get_runtime_sec();
+ di->chrg_save_sec = 0;
}
- 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 update_battery_resister(struct battery_info *di)
-{
- int tmp_res;
-
- if ((get_charging_time(di) > 5) && (!di->bat_res_updated)) {/*charge at least 8min*/
-
- 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;
+ di->charge_smooth_status = true;
+ } else if (di->rsoc == di->dsoc + 1) {
+ DBG("<%s>. rsoc == dsoc + 1\n", __func__);
+ if (di->charge_smooth_status) {
+ unit_sec = soc_time * 3 / 4;
+ if (chrg_normal_sec > unit_sec) {
+ di->dsoc = di->rsoc;
+ di->chrg_normal_base = get_runtime_sec();
+ di->charge_smooth_status = false;
+ di->chrg_save_sec = 0;
}
- 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);
+ } else {
+ di->dsoc = di->rsoc;
+ di->chrg_normal_base = get_runtime_sec();
+ di->charge_smooth_status = false;
+ di->chrg_save_sec = 0;
}
}
+ DBG("<%s>, rsoc = %d, dsoc = %d, charge_smooth_status = %d\n"
+ "chrg_normal_sec = %lu, soc_time = %d, plus_soc=%d\n",
+ __func__, di->rsoc, di->dsoc, di->charge_smooth_status,
+ chrg_normal_sec, soc_time, plus_soc);
}
-#endif
-#if 1
-static void update_resume_status_relax_voltage(struct battery_info *di)
+static void rk81x_bat_update_time(struct rk81x_battery *di)
{
- unsigned long sleep_soc;
- unsigned long sum_sleep_soc;
- unsigned long sleep_sec;
- int relax_voltage;
- u8 charge_status;
- 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);
+ u64 runtime_sec;
- /*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);
+ runtime_sec = get_runtime_sec();
- /* small suspend current*/
- } else if ((sum_sleep_avr_current >= 0) && (sum_sleep_avr_current <= 20)) {
+ /*update by charger type*/
+ if (rk81x_chrg_online(di))
+ di->plug_out_base = runtime_sec;
+ else
+ di->plug_in_base = runtime_sec;
- relax_voltage = get_relax_voltage(di);
- di->voltage = rk_battery_voltage(di);
+ /*update by current*/
+ if (di->chrg_status != CHARGE_FINISH) {
+ di->finish_sig_base = runtime_sec;
+ di->chrg_finish_base = runtime_sec;
+ }
- 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);
+ di->plug_in_min = BASE_TO_MIN(di->plug_in_base);
+ di->plug_out_min = BASE_TO_MIN(di->plug_out_base);
+ di->finish_sig_min = BASE_TO_MIN(di->finish_sig_base);
- } else {
- DBG("<%s>, resume, sleep_min < 30 min\n", __func__);
- if (sum_sleep_soc > 0)
- di->real_soc -= sum_sleep_soc;
- }
- }
+ rk81x_bat_dbg_time_table(di);
+}
- 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);
- }
+static int rk81x_bat_get_rsoc_trend(struct rk81x_battery *di, int *trend_mult)
+{
+ int trend_start_cap = di->trend_start_cap;
+ int remain_cap = di->remain_capacity;
+ int diff_cap;
+ int state;
- 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 {
+ if (di->s2r && !di->slp_psy_status)
+ di->trend_start_cap = di->remain_capacity;
- 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);
- }
+ diff_cap = remain_cap - trend_start_cap;
+ DBG("<%s>. trend_start_cap = %d, diff_cap = %d\n",
+ __func__, trend_start_cap, diff_cap);
+ *trend_mult = abs(diff_cap) / TREND_CAP_DIFF;
- 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 (abs(diff_cap) >= TREND_CAP_DIFF) {
+ di->trend_start_cap = di->remain_capacity;
+ state = (diff_cap > 0) ? TREND_STAT_UP : TREND_STAT_DOWN;
+ DBG("<%s>. new trend_start_cap=%d", __func__, trend_start_cap);
+ } else {
+ state = TREND_STAT_FLAT;
}
+
+ return state;
}
-#endif
-#ifdef SUPPORT_USB_CHARGE
-static int get_charging_status_type(struct battery_info *di)
+static void rk81x_bat_arbitrate_rsoc_trend(struct rk81x_battery *di)
{
- int otg_status = dwc_otg_check_dpdm();
+ int state, soc_time;
+ static int trend_down_cnt, trend_up_cnt;
+ int trend_cnt_thresd;
+ int now_current = di->current_avg;
+ int trend_mult = 0;
- if (0 == otg_status) {
- di->usb_online = 0;
- di->ac_online = 1;
- di->check_count = 0;
+ trend_cnt_thresd = di->fcc / 100 / TREND_CAP_DIFF;
+ state = rk81x_bat_get_rsoc_trend(di, &trend_mult);
+ DBG("<%s>. TREND_STAT = %d, trend_mult = %d\n",
+ __func__, state, trend_mult);
+ if (di->chrg_status == CHARGE_FINISH)
+ return;
- } 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;
- }
- } else {
- di->ac_online = 0;
- di->usb_online = 1;
+ if (state == TREND_STAT_UP) {
+ rk81x_bat_reset_zero_var(di);
+ trend_down_cnt = 0;
+ trend_up_cnt += trend_mult;
+ if (trend_up_cnt >= trend_cnt_thresd) {
+ trend_up_cnt = 0;
+ di->dischrg_save_sec = 0;
+ }
+ } else if (state == TREND_STAT_DOWN) {
+ trend_up_cnt = 0;
+ trend_down_cnt += trend_mult;
+ if (trend_down_cnt >= trend_cnt_thresd) {
+ trend_down_cnt = 0;
+ di->chrg_save_sec = 0;
}
-
- } else if (2 == otg_status) {
- di->ac_online = 1;
- di->usb_online = 0;
- di->check_count = 0;
}
- if (di->ac_online == 1)
- set_charge_current(di, di->chg_i_lmt);
- else
- set_charge_current(di, ILIM_450MA);
- return otg_status;
+ soc_time = di->fcc * 3600 / 100 / div(abs(now_current));
+ if ((di->chrg_save_sec + 20 > soc_time) &&
+ (trend_up_cnt <= trend_cnt_thresd / 2) &&
+ (now_current >= 0))
+ di->chrg_save_sec = 0;
+
+ else if ((di->dischrg_save_sec + 20 > soc_time) &&
+ (trend_down_cnt <= trend_cnt_thresd / 2) &&
+ (now_current < 0))
+ di->dischrg_save_sec = 0;
+
+ DBG("<%s>. state=%d, cnt_thresd=%d, soc_time=%d\n"
+ "up_cnt=%d, down_cnt=%d\n",
+ __func__, state, trend_cnt_thresd, soc_time,
+ trend_up_cnt, trend_down_cnt);
+}
+
+static void rk81x_bat_chrg_smooth(struct rk81x_battery *di)
+{
+ u32 *ocv_table = di->pdata->battery_ocv;
+ int delta_soc = di->rsoc - di->dsoc;
+
+ if (di->chrg_status == CHARGE_FINISH ||
+ di->slp_chrg_status == CHARGE_FINISH) {
+ /*clear sleep charge status*/
+ di->slp_chrg_status = rk81x_bat_get_chrg_status(di);
+ di->chrg_emu_base = 0;
+ di->chrg_normal_base = 0;
+ di->chrg_term_base = 0;
+ rk81x_bat_finish_chrg(di);
+ rk81x_bat_capacity_init(di, di->fcc);
+ rk81x_bat_capacity_init_post(di);
+ } else if ((di->ac_online == ONLINE && di->dsoc >= 90) &&
+ ((di->current_avg > DSOC_CHRG_TERM_CURR) ||
+ (di->voltage < ocv_table[18] + 20))) {
+ di->chrg_emu_base = 0;
+ di->chrg_normal_base = 0;
+ di->chrg_finish_base = 0;
+ rk81x_bat_terminal_chrg(di);
+ } else if (di->chrg_status != CHARGE_FINISH &&
+ delta_soc >= DSOC_CHRG_FAST_EER_RANGE) {
+ di->chrg_term_base = 0;
+ di->chrg_normal_base = 0;
+ di->chrg_finish_base = 0;
+ rk81x_bat_emulator_chrg(di);
+ } else {
+ di->chrg_emu_base = 0;
+ di->chrg_term_base = 0;
+ di->chrg_finish_base = 0;
+ rk81x_bat_normal_chrg(di);
+ }
}
-#endif
+static unsigned long rk81x_bat_save_dischrg_sec(struct rk81x_battery *di)
+{
+ unsigned long dischrg_normal_sec = BASE_TO_SEC(di->dischrg_normal_base);
+ unsigned long dischrg_emu_sec = BASE_TO_SEC(di->dischrg_emu_base);
+
+ DBG("dischrg_normal_sec=%lu, dischrg_emu_sec=%lu\n",
+ dischrg_normal_sec, dischrg_emu_sec);
+
+ return (dischrg_normal_sec > dischrg_emu_sec) ?
+ dischrg_normal_sec : dischrg_emu_sec;
+}
-static void battery_poweron_status_init(struct battery_info *di)
+static unsigned long rk81x_bat_save_chrg_sec(struct rk81x_battery *di)
{
- int otg_status;
+ unsigned long sec1, sec2;
+ unsigned long chrg_normal_sec = BASE_TO_SEC(di->chrg_normal_base);
+ unsigned long chrg_term_sec = BASE_TO_SEC(di->chrg_term_base);
+ unsigned long chrg_emu_sec = BASE_TO_SEC(di->chrg_emu_base);
+ unsigned long chrg_finish_sec = BASE_TO_SEC(di->chrg_finish_base);
-#ifndef SUPPORT_USB_CHARGE
- u8 buf;
-#endif
+ sec1 = (chrg_normal_sec > chrg_term_sec) ?
+ chrg_normal_sec : chrg_term_sec;
-#ifdef SUPPORT_USB_CHARGE
+ sec2 = (chrg_emu_sec > chrg_finish_sec) ?
+ chrg_emu_sec : chrg_finish_sec;
+ DBG("chrg_normal_sec=%lu, chrg_term_sec=%lu\n"
+ "chrg_emu_sec=%lu, chrg_finish_sec=%lu\n",
+ chrg_normal_sec, chrg_term_sec,
+ chrg_emu_sec, chrg_finish_sec);
- 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");
+ return (sec1 > sec2) ? sec1 : sec2;
+}
- } 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);
+static void rk81x_bat_display_smooth(struct rk81x_battery *di)
+{
+ if ((di->current_avg >= 0) || (di->chrg_status == CHARGE_FINISH)) {
+ if (di->current_mode == DISCHRG_MODE) {
+ di->current_mode = CHRG_MODE;
+ di->dischrg_save_sec += rk81x_bat_save_dischrg_sec(di);
+ di->dischrg_normal_base = 0;
+ di->dischrg_emu_base = 0;
+ if (di->chrg_status == CHARGE_FINISH)
+ di->dischrg_save_sec = 0;
+ if ((di->chrg_status == CHARGE_FINISH) &&
+ (di->dsoc >= 100))
+ di->chrg_save_sec = 0;
-#else
+ DBG("<%s>---dischrg_save_sec = %lu\n",
+ __func__, di->dischrg_save_sec);
+ }
- 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;
+ if (!rk81x_chrg_online(di)) {
+ dev_err(di->dev, "discharge, current error:%d\n",
+ di->current_avg);
+ } else {
+ rk81x_bat_chrg_smooth(di);
+ di->discharge_smooth_status = true;
+ }
} else {
- di->status = POWER_SUPPLY_STATUS_DISCHARGING;
- di->ac_online = 0;
- di->usb_online = 0;
+ if (di->current_mode == CHRG_MODE) {
+ di->current_mode = DISCHRG_MODE;
+ di->chrg_save_sec += rk81x_bat_save_chrg_sec(di);
+ di->chrg_normal_base = 0;
+ di->chrg_emu_base = 0;
+ di->chrg_term_base = 0;
+ di->chrg_finish_base = 0;
+ DBG("<%s>---chrg_save_sec = %lu\n",
+ __func__, di->chrg_save_sec);
+ }
+ rk81x_bat_dischrg_smooth(di);
+ di->charge_smooth_status = true;
}
- DBG(" CHARGE: NOT SUPPORT_USB_CHARGE\n");
-#endif
}
-static void check_battery_status(struct battery_info *di)
+
+/*
+ * update rsoc by relax voltage
+ */
+static void rk81x_bat_relax_vol_calib(struct rk81x_battery *di)
{
- u8 buf;
- int ret;
+ int relax_vol = di->relax_voltage;
+ int ocv_soc, capacity;
- ret = battery_read(di->rk818, VB_MOD_REG, &buf, 1);
-#ifdef SUPPORT_USB_CHARGE
+ ocv_soc = rk81x_bat_vol_to_capacity(di, relax_vol);
+ capacity = (ocv_soc * di->fcc / 100);
+ rk81x_bat_capacity_init(di, capacity);
+ di->remain_capacity = rk81x_bat_get_realtime_capacity(di);
+ di->rsoc = rk81x_bat_get_rsoc(di);
+ rk81x_bat_capacity_init_post(di);
+ DBG("%s, RSOC=%d, CAP=%d\n", __func__, ocv_soc, capacity);
+}
+
+/* condition:
+ * 1: must do it, 0: when necessary
+ */
+static void rk81x_bat_vol_calib(struct rk81x_battery *di, int condition)
+{
+ int ocv_vol = di->est_ocv_vol;
+ int ocv_soc = 0, capacity = 0;
+
+ ocv_soc = rk81x_bat_vol_to_capacity(di, ocv_vol);
+ capacity = (ocv_soc * di->fcc / 100);
+ if (condition || (abs(ocv_soc-di->rsoc) >= RSOC_RESUME_ERR)) {
+ rk81x_bat_capacity_init(di, capacity);
+ di->remain_capacity = rk81x_bat_get_realtime_capacity(di);
+ di->rsoc = rk81x_bat_get_rsoc(di);
+ rk81x_bat_capacity_init_post(di);
+ DBG("<%s>, rsoc updated!\n", __func__);
+ }
+ DBG("<%s>, OCV_VOL=%d,OCV_SOC=%d, CAP=%d\n",
+ __func__, ocv_vol, ocv_soc, capacity);
+}
+
+static int rk81x_bat_sleep_dischrg(struct rk81x_battery *di)
+{
+ int delta_soc = 0;
+ int temp_dsoc;
+ unsigned long sleep_sec = di->suspend_time_sum;
+ int power_off_thresd = di->pdata->power_off_thresd;
+
+ DBG("<%s>, enter: dsoc=%d, rsoc=%d\n"
+ "relax_vol=%d, vol=%d, sleep_min=%lu\n",
+ __func__, di->dsoc, di->rsoc,
+ di->relax_voltage, di->voltage, sleep_sec / 60);
+
+ if (di->relax_voltage >= di->voltage) {
+ rk81x_bat_relax_vol_calib(di);
+ rk81x_bat_restart_relax(di);
+
+ /* current_avg < 0: make sure the system is not
+ * wakeup by charger plugin.
+ */
+ /* even if relax voltage is not caught rightly, realtime voltage
+ * is quite close to relax voltage, we should not do nothing after
+ * sleep 30min
+ */
+ } else {
+ rk81x_bat_vol_calib(di, 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;
+ /*handle dsoc*/
+ if (di->dsoc <= di->rsoc) {
+ di->sum_suspend_cap = (SLP_CURR_MIN * sleep_sec / 3600);
+ delta_soc = di->sum_suspend_cap * 100 / di->fcc;
+ temp_dsoc = di->dsoc - delta_soc;
+
+ pr_info("battery calib0: rl=%d, dl=%d, intl=%d\n",
+ di->rsoc, di->dsoc, delta_soc);
+
+ if (delta_soc > 0) {
+ if ((temp_dsoc < di->dsoc) && (di->dsoc < 5))
+ di->dsoc--;
+ else if ((temp_dsoc < 5) && (di->dsoc >= 5))
+ di->dsoc = 5;
+ else if (temp_dsoc > 5)
+ di->dsoc = temp_dsoc;
}
+ DBG("%s: dsoc<=rsoc, sum_cap=%d==>delta_soc=%d,temp_dsoc=%d\n",
+ __func__, di->sum_suspend_cap, delta_soc, temp_dsoc);
} else {
- if (buf&PLUG_IN_STS) {
- get_charging_status_type(di);
+ /*di->dsoc > di->rsoc*/
+ di->sum_suspend_cap = (SLP_CURR_MAX * sleep_sec / 3600);
+ delta_soc = di->sum_suspend_cap / (di->fcc / 100);
+ temp_dsoc = di->dsoc - di->rsoc;
- 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;
- }
- }
-#else
+ pr_info("battery calib1: rsoc=%d, dsoc=%d, intsoc=%d\n",
+ di->rsoc, di->dsoc, delta_soc);
- 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;
+ if ((di->est_ocv_vol > SLP_DSOC_VOL_THRESD) &&
+ (temp_dsoc > delta_soc))
+ di->dsoc -= delta_soc;
+ else
+ di->dsoc = di->rsoc;
+
+ DBG("%s: dsoc > rsoc, sum_cap=%d==>delta_soc=%d,temp_dsoc=%d\n",
+ __func__, di->sum_suspend_cap, delta_soc, temp_dsoc);
}
-#endif
+
+ if (!di->relax_voltage && di->voltage <= power_off_thresd)
+ di->dsoc = 0;
+
+ if (di->dsoc <= 0)
+ di->dsoc = 0;
+
+ DBG("<%s>, out: dsoc=%d, rsoc=%d, sum_cap=%d\n",
+ __func__, di->dsoc, di->rsoc, di->sum_suspend_cap);
+
+ return delta_soc;
}
-static void last_check_report(struct battery_info *di)
+static int rk81x_bat_sleep_chrg(struct rk81x_battery *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;
+ int sleep_soc = 0;
+ unsigned long sleep_sec;
+
+ sleep_sec = di->suspend_time_sum;
+ if (((di->suspend_charge_current < 800) &&
+ (di->ac_online == ONLINE)) ||
+ (di->chrg_status == CHARGE_FINISH)) {
+ DBG("<%s>,sleep: ac online current < 800\n", __func__);
+ if (sleep_sec > 0) {
+ /*default charge current: 1000mA*/
+ sleep_soc = SLP_CHRG_CURR * sleep_sec * 100
+ / 3600 / div(di->fcc);
}
- 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 {
+ DBG("<%s>, usb charge\n", __func__);
+ }
- } else
- time = get_seconds();
+ return sleep_soc;
}
-static void report_power_supply_changed(struct battery_info *di)
+/*
+ * only do report when there is a change.
+ *
+ * if ((di->dsoc == 0) && (di->fg_drv_mode == FG_NORMAL_MODE)):
+ * when dsoc == 0, we must do report. But it will generate too much android
+ * info when we enter test_power mode without battery, so we add a fg_drv_mode
+ * ajudgement.
+ */
+static void rk81x_bat_power_supply_changed(struct rk81x_battery *di)
{
static u32 old_soc;
static u32 old_ac_status;
bool state_changed;
state_changed = false;
- if (di->real_soc == 0)
+ if ((di->dsoc == 0) && (di->fg_drv_mode == FG_NORMAL_MODE))
state_changed = true;
- else if (di->real_soc == 100)
- state_changed = true;
- else if (di->real_soc != old_soc)
+ else if (di->dsoc != 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)
+ else if (old_charge_status != di->psy_status)
state_changed = true;
+ if (rk81x_chrg_online(di)) {
+ if (di->dsoc == 100)
+ di->psy_status = POWER_SUPPLY_STATUS_FULL;
+ else
+ di->psy_status = POWER_SUPPLY_STATUS_CHARGING;
+ }
+
if (state_changed) {
power_supply_changed(&di->bat);
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
- old_soc = di->real_soc;
+ old_soc = di->dsoc;
old_ac_status = di->ac_online;
old_usb_status = di->usb_online;
- old_charge_status = di->status;
+ old_charge_status = di->psy_status;
+ dev_info(di->dev, "changed: dsoc=%d, rsoc=%d\n",
+ di->dsoc, di->rsoc);
}
}
-static void upd_time_table(struct battery_info *di)
+#if 0
+static u8 rk81x_bat_get_cvcc_chrg_hour(struct rk81x_battery *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;
+ u8 hour, buf;
+
+ rk81x_bat_read(di, CHRG_CTRL_REG2, &buf, 1);
+ hour = buf & 0x07;
+
+ return CHRG_CVCC_HOUR[hour];
+}
+
+/* we have to estimate the charging finish time from now, to decide
+ * whether we should reset the timer or not.
+ */
+static void rk81x_bat_chrg_over_time_check(struct rk81x_battery *di)
+{
+ u8 cvcc_hour;
+ int remain_capacity;
+
+ cvcc_hour = rk81x_bat_get_cvcc_chrg_hour(di);
+ if (di->dsoc < di->rsoc)
+ remain_capacity = di->dsoc * di->fcc / 100;
else
- time = di->discharge_min;
+ remain_capacity = di->remain_capacity;
- if ((mod == 0) && (index > 0) && (old_index != index)) {
- di->chrg_min[index-1] = time - old_min;
- old_min = time;
- old_index = index;
+ DBG("CHRG_TIME(min): %ld, cvcc hour: %d",
+ BASE_TO_MIN(di->plug_in_base), cvcc_hour);
+
+ if (BASE_TO_MIN(di->plug_in_base) >= (cvcc_hour - 2) * 60) {
+ di->chrg_cap2full = di->fcc - remain_capacity;
+ if (di->current_avg <= 0)
+ di->current_avg = 1;
+
+ di->chrg_time2full = di->chrg_cap2full * 3600 /
+ div(abs(di->current_avg));
+
+ DBG("CHRG_TIME2FULL(min):%d, chrg_cap2full=%d, current=%d\n",
+ SEC_TO_MIN(di->chrg_time2full), di->chrg_cap2full,
+ di->current_avg);
+
+ if (SEC_TO_MIN(di->chrg_time2full) > 60) {
+ /*rk81x_bat_init_chrg_timer(di);*/
+ di->plug_in_base = get_runtime_sec();
+ DBG("%s: reset charge timer\n", __func__);
+ }
+ }
+}
+#endif
+
+/*
+ * in case that we will do reboot stress test, we need a special way
+ * to ajust the dsoc.
+ */
+static void rk81x_bat_check_reboot(struct rk81x_battery *di)
+{
+ u8 rsoc = di->rsoc;
+ u8 dsoc = di->dsoc;
+ u8 cnt;
+ int unit_time;
+ int smooth_time;
+
+ rk81x_bat_read(di, REBOOT_CNT_REG, &cnt, 1);
+ cnt++;
+
+ unit_time = di->fcc * 3600 / 100 / 1200;/*1200mA default*/
+ smooth_time = cnt * BASE_TO_SEC(di->power_on_base);
+
+ DBG("%s: cnt:%d, unit:%d, sm:%d, sec:%lu, dsoc:%d, rsoc:%d\n",
+ __func__, cnt, unit_time, smooth_time,
+ BASE_TO_SEC(di->power_on_base), dsoc, rsoc);
+
+ if (di->current_avg >= 0 || di->chrg_status == CHARGE_FINISH) {
+ DBG("chrg, sm:%d, aim:%d\n", smooth_time, unit_time * 3 / 5);
+ if ((dsoc < rsoc - 1) && (smooth_time > unit_time * 3 / 5)) {
+ cnt = 0;
+ dsoc++;
+ if (dsoc >= 100)
+ dsoc = 100;
+ rk81x_bat_save_dsoc(di, dsoc);
+ }
+ } else {
+ DBG("dischrg, sm:%d, aim:%d\n", smooth_time, unit_time * 3 / 5);
+ if ((dsoc > rsoc) && (smooth_time > unit_time * 3 / 5)) {
+ cnt = 0;
+ dsoc--;
+ if (dsoc <= 0)
+ dsoc = 0;
+ rk81x_bat_save_dsoc(di, dsoc);
+ }
}
- for (i=1; i<11; i++)
- DBG("Time[%d]=%d, ", (i*10), di->chrg_min[i-1]);
- DBG("\n");
+ rk81x_bat_save_reboot_cnt(di, cnt);
+}
+
+static void rk81x_bat_update_calib_param(struct rk81x_battery *di)
+{
+ static u32 old_min;
+ u32 min;
+ int current_offset;
+ uint16_t cal_offset;
+ u8 pcb_offset = DEF_PCB_OFFSET;
+
+ min = BASE_TO_MIN(di->power_on_base);
+ if ((min % 8) && (old_min != min)) {
+ old_min = min;
+ rk81x_bat_get_vol_offset(di);
+ if (di->pcb_ioffset_updated)
+ rk81x_bat_read(di, PCB_IOFFSET_REG, &pcb_offset, 1);
+
+ current_offset = rk81x_bat_get_ioffset(di);
+ rk81x_bat_set_cal_offset(di, current_offset + pcb_offset);
+ cal_offset = rk81x_bat_get_cal_offset(di);
+ if (cal_offset < 0x7ff)
+ rk81x_bat_set_cal_offset(di, di->current_offset +
+ DEF_PCB_OFFSET);
+ DBG("<%s>. k=%d, b=%d, cal_offset=%d, i_offset=%d\n",
+ __func__, di->voltage_k, di->voltage_b, cal_offset,
+ rk81x_bat_get_ioffset(di));
+ }
+}
+
+static void rk81x_bat_update_info(struct rk81x_battery *di)
+{
+ if (di->dsoc > 100)
+ di->dsoc = 100;
+ else if (di->dsoc < 0)
+ di->dsoc = 0;
+
+ /*
+ * we need update fcc in continuous charging state, if discharge state
+ * keep at least 2 hour, we decide not to update fcc, so clear the
+ * fcc update flag: dod0_status.
+ */
+ if (BASE_TO_MIN(di->plug_out_base) > 120)
+ di->dod0_status = 0;
+
+ di->voltage = rk81x_bat_get_vol(di);
+ di->current_avg = rk81x_bat_get_avg_current(di);
+ di->chrg_status = rk81x_bat_get_chrg_status(di);
+ di->relax_voltage = rk81x_bat_get_relax_vol(di);
+ di->est_ocv_vol = rk81x_bat_est_ocv_vol(di);
+ di->est_ocv_soc = rk81x_bat_est_ocv_soc(di);
+ /*rk81x_bat_chrg_over_time_check(di);*/
+ rk81x_bat_update_calib_param(di);
+ if (di->chrg_status == CC_OR_CV)
+ di->enter_finish = true;
+#if defined(CONFIG_ARCH_ROCKCHIP)
+ rk81x_bat_status_check(di);/* ac_online, usb_online, status*/
+#endif
+ if (!rk81x_chrg_online(di) && di->s2r)
+ return;
+
+ di->remain_capacity = rk81x_bat_get_realtime_capacity(di);
+ if (di->remain_capacity > di->fcc) {
+ rk81x_bat_capacity_init(di, di->fcc);
+ rk81x_bat_capacity_init_post(di);
+ di->remain_capacity = di->fcc;
+ }
+
+ di->rsoc = rk81x_bat_get_rsoc(di);
}
-static void update_battery_info(struct battery_info *di)
+static int rk81x_bat_update_resume_state(struct rk81x_battery *di)
{
- di->remain_capacity = _get_realtime_capacity(di);
- if (di->remain_capacity > di->fcc)
- _capacity_init(di, di->fcc);
+ if (di->slp_psy_status)
+ return rk81x_bat_sleep_chrg(di);
+ else
+ return rk81x_bat_sleep_dischrg(di);
+}
- if (di->real_soc > 100)
- di->real_soc = 100;
- else if (di->real_soc < 0)
- di->real_soc = 0;
+static void rk81x_bat_fcc_flag_check(struct rk81x_battery *di)
+{
+ u8 ocv_soc, soc_level;
+ int relax_vol = di->relax_voltage;
- 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;
+ if (relax_vol <= 0)
+ return;
+
+ ocv_soc = rk81x_bat_vol_to_capacity(di, relax_vol);
+ DBG("<%s>. ocv_soc=%d, min=%lu, vol=%d\n", __func__,
+ ocv_soc, SEC_TO_MIN(di->suspend_time_sum), relax_vol);
+
+ if ((SEC_TO_MIN(di->suspend_time_sum) > 30) &&
+ (di->dod0_status == 0) &&
+ (ocv_soc <= 10)) {
+ di->dod0_voltage = relax_vol;
+ di->dod0_capacity = di->temp_nac;
+ di->adjust_cap = 0;
+ di->dod0 = ocv_soc;
+
+ if (ocv_soc <= 1)
+ di->dod0_level = 100;
+ else if (ocv_soc < 5)
+ di->dod0_level = 90;
else
- di->discharging_time++;
+ di->dod0_level = 80;
+
+ /* save_soc = di->dod0_level; */
+ soc_level = rk81x_bat_get_level(di);
+ if (soc_level > di->dod0_level) {
+ di->dod0_status = 0;
+ } else {
+ di->dod0_status = 1;
+ /*time start*/
+ di->fcc_update_sec = get_runtime_sec();
+ }
+
+ dev_info(di->dev, "resume: relax_vol:%d, dod0_cap:%d\n"
+ "dod0:%d, soc_level:%d: dod0_status:%d\n"
+ "dod0_level:%d",
+ di->dod0_voltage, di->dod0_capacity,
+ ocv_soc, soc_level, di->dod0_status,
+ di->dod0_level);
}
- if (di->charge_status == CHARGE_FINISH)
- di->finish_time++;
- else
- di->finish_time = 0;
+}
+
+static void rk81x_chrg_term_mode_set(struct rk81x_battery *di, int mode)
+{
+ u8 buf;
+ u8 mask = 0x20;
+
+ rk81x_bat_read(di, CHRG_CTRL_REG3, &buf, 1);
+ buf &= ~mask;
+ buf |= mode;
+ rk81x_bat_write(di, CHRG_CTRL_REG3, &buf, 1);
+
+ dev_info(di->dev, "set charge to %s termination mode\n",
+ mode ? "digital" : "analog");
+}
- di->charge_min = get_charging_time(di);
- di->discharge_min = get_discharging_time(di);
- di->finish_min = get_finish_time(di);
+static void rk81x_chrg_term_mode_switch_work(struct work_struct *work)
+{
+ struct rk81x_battery *di;
+
+ di = container_of(work, struct rk81x_battery,
+ chrg_term_mode_switch_work.work);
- 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);
+ if (rk81x_chrg_online(di))
+ rk81x_chrg_term_mode_set(di, CHRG_TERM_DIG_SIGNAL);
+ else
+ rk81x_chrg_term_mode_set(di, CHRG_TERM_ANA_SIGNAL);
}
-static void rk_battery_work(struct work_struct *work)
+static void rk81x_battery_work(struct work_struct *work)
{
- struct battery_info *di = container_of(work,
- struct battery_info, battery_monitor_work.work);
-
- update_resume_status_relax_voltage(di);
- wait_charge_finish_signal(di);
- charge_finish_routine(di);
+ struct rk81x_battery *di;
+ int ms = TIMER_MS_COUNTS;
+
+ di = container_of(work, struct rk81x_battery,
+ battery_monitor_work.work);
+ if (rk81x_chrg_online(di)) {
+ rk81x_bat_wait_finish_sig(di);
+ /*rk81x_bat_chrg_finish_routine(di);*/
+ }
+ rk81x_bat_fcc_flag_check(di);
+ rk81x_bat_arbitrate_rsoc_trend(di);
+ rk81x_bat_display_smooth(di);
+ rk81x_bat_update_time(di);
+ rk81x_bat_update_info(di);
+ rk81x_bat_rsoc_check(di);
+ rk81x_bat_power_supply_changed(di);
+ rk81x_bat_save_dsoc(di, di->dsoc);
+ rk81x_bat_save_remain_capacity(di, di->remain_capacity);
+
+ rk81x_bat_dbg_dmp_info(di);
+
+ if (!di->early_resume && di->s2r && !di->slp_psy_status)
+ ms = 30 * TIMER_MS_COUNTS;
+ else
+ di->early_resume = 0;
- 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);
+ di->s2r = 0;
- dump_debug_info(di);
- di->queue_work_cnt++;
- queue_delayed_work(di->wq, &di->battery_monitor_work, msecs_to_jiffies(TIMER_MS_COUNTS));
+ queue_delayed_work(di->wq, &di->battery_monitor_work,
+ msecs_to_jiffies(ms));
}
-static void rk_battery_charge_check_work(struct work_struct *work)
+static void rk81x_battery_charge_check_work(struct work_struct *work)
{
- struct battery_info *di = container_of(work,
- struct battery_info, charge_check_work.work);
+ struct rk81x_battery *di = container_of(work,
+ struct rk81x_battery, charge_check_work.work);
- DBG("rk_battery_charge_check_work\n");
- charge_disable_open_otg(di->charge_otg);
+ DBG("rk81x_battery_charge_check_work\n");
+ rk81x_charge_disable_open_otg(di);
}
static BLOCKING_NOTIFIER_HEAD(battery_chain_head);
}
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)
+static int rk81x_bat_notifier_call(struct notifier_block *nb,
+ unsigned long event, void *data)
{
- struct battery_info *di =
- container_of(nb, struct battery_info, battery_nb);
+ struct rk81x_battery *di =
+ container_of(nb, struct rk81x_battery, 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 1:
- di->charge_otg = 1;
- queue_delayed_work(di->wq, &di->charge_check_work, msecs_to_jiffies(50));
- DBG("charge disable OTG enable\n");
+ case USB_OTG_POWER_ON:
+ dev_info(di->dev, "charge disable, otg enable\n");
+ di->charge_otg = USB_OTG_POWER_ON;
+ rk81x_bat_set_bit(di, NT_STS_MSK_REG2, PLUG_IN_INT);
+ rk81x_bat_set_bit(di, NT_STS_MSK_REG2, PLUG_OUT_INT);
+ queue_delayed_work(di->wq, &di->charge_check_work,
+ msecs_to_jiffies(50));
break;
- case 2:
- poweron_lowerpoer_handle(di);
+ case USB_OTG_POWER_OFF:
+ dev_info(di->dev, "charge enable, otg disable\n");
+ di->charge_otg = USB_OTG_POWER_OFF;
+ rk81x_bat_clr_bit(di, NT_STS_MSK_REG2, PLUG_IN_INT);
+ rk81x_bat_clr_bit(di, NT_STS_MSK_REG2, PLUG_OUT_INT);
+ queue_delayed_work(di->wq, &di->charge_check_work,
+ msecs_to_jiffies(50));
break;
-
default:
return NOTIFY_OK;
}
return NOTIFY_OK;
}
-static irqreturn_t rk818_vbat_lo_irq(int irq, void *di)
+static irqreturn_t rk81x_vbat_lo_irq(int irq, void *bat)
{
- pr_info("<%s>lower power warning!\n", __func__);
+ pr_info("\n------- %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)
+static irqreturn_t rk81x_vbat_plug_in(int irq, void *bat)
{
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)
+
+static irqreturn_t rk81x_vbat_plug_out(int irq, void *bat)
{
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)
+static irqreturn_t rk81x_vbat_charge_ok(int irq, void *bat)
{
- pr_info("---------- %s:irq = %d\n", __func__, irq);
+ struct rk81x_battery *di = (struct rk81x_battery *)bat;
+
+ pr_info("\n---------- %s:irq = %d\n", __func__, irq);
+ di->finish_sig_base = get_runtime_sec();
rk_send_wakeup_key();
return IRQ_HANDLED;
}
+static irqreturn_t rk81x_vbat_dc_det(int irq, void *bat)
+{
+ rk_send_wakeup_key();
+ return IRQ_HANDLED;
+}
-static int rk818_battery_sysfs_init(struct battery_info *di, struct device *dev)
+static int rk81x_bat_sysfs_init(struct rk81x_battery *di)
{
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;
- }
+ ret = sysfs_create_file(&di->bat.dev->kobj,
+ &rk818_bat_attr[i].attr);
+ if (ret != 0)
+ dev_err(di->dev, "create battery node(%s) error\n",
+ rk818_bat_attr[i].attr.name);
}
- 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)
+static void rk81x_bat_irq_init(struct rk81x_battery *di)
{
- int plug_in_irq, plug_out_irq, chg_ok_irq, vb_lo_irq;
+ int plug_in_irq, plug_out_irq, chrg_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);
+#if defined(CONFIG_X86_INTEL_SOFIA)
+ vb_lo_irq = chip->irq_base + RK818_IRQ_VB_LO;
+ chrg_ok_irq = chip->irq_base + RK818_IRQ_CHG_OK;
+ plug_in_irq = chip->irq_base + RK818_IRQ_PLUG_IN;
+ plug_out_irq = chip->irq_base + RK818_IRQ_PLUG_OUT;
+#else
+ 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);
+ chrg_ok_irq = irq_create_mapping(chip->irq_domain, RK818_IRQ_CHG_OK);
+#endif
- ret = request_threaded_irq(vb_lo_irq, NULL, rk818_vbat_lo_irq,
- IRQF_TRIGGER_HIGH, "rk818_vbatlow", chip);
+ ret = request_threaded_irq(vb_lo_irq, NULL, rk81x_vbat_lo_irq,
+ IRQF_TRIGGER_HIGH, "rk818_vbatlow", di);
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);
+ ret = request_threaded_irq(plug_in_irq, NULL, rk81x_vbat_plug_in,
+ IRQF_TRIGGER_RISING, "rk81x_vbat_plug_in",
+ di);
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);
+ ret = request_threaded_irq(plug_out_irq, NULL, rk81x_vbat_plug_out,
+ IRQF_TRIGGER_FALLING, "rk81x_vbat_plug_out",
+ di);
if (ret != 0)
dev_err(chip->dev, "plug_out_irq request failed!\n");
+ ret = request_threaded_irq(chrg_ok_irq, NULL, rk81x_vbat_charge_ok,
+ IRQF_TRIGGER_RISING, "rk81x_vbat_charge_ok",
+ di);
+ if (ret != 0)
+ dev_err(chip->dev, "chrg_ok_irq request failed!\n");
+}
+
+static void rk81x_bat_info_init(struct rk81x_battery *di,
+ struct rk818 *chip)
+{
+ u8 val;
+ unsigned long time_base = get_runtime_sec();
+
+ rk81x_bat_read(di, RK818_VB_MON_REG, &val, 1);
+ if (val & PLUG_IN_STS)
+ rk81x_bat_set_power_supply_state(di, USB_CHARGER);
+
+ di->cell.config = di->pdata->cell_cfg;
+ di->design_capacity = di->pdata->cell_cfg->design_capacity;
+ di->qmax = di->pdata->cell_cfg->design_qmax;
+ di->early_resume = 1;
+ di->psy_status = POWER_SUPPLY_STATUS_DISCHARGING;
+ di->bat_res = di->pdata->sense_resistor_mohm;
+ di->dischrg_algorithm_mode = DISCHRG_NORMAL_MODE;
+ di->last_zero_mode_dsoc = DEF_LAST_ZERO_MODE_SOC;
+ di->slp_chrg_status = rk81x_bat_get_chrg_status(di);
+ di->loader_charged = loader_charged;
+ di->chrg_finish_base = time_base;
+ di->power_on_base = time_base;
+ di->plug_in_base = time_base;
+ di->plug_out_base = time_base;
+ di->finish_sig_base = time_base;
+ di->fcc = rk81x_bat_get_fcc(di);
+}
+
+static void rk81x_bat_dc_det_init(struct rk81x_battery *di,
+ struct device_node *np)
+{
+ struct device *dev = di->dev;
+ enum of_gpio_flags flags;
+ int ret;
+
+ di->dc_det_pin = of_get_named_gpio_flags(np, "dc_det_gpio", 0, &flags);
+ if (di->dc_det_pin == -EPROBE_DEFER)
+ dev_err(dev, "dc_det_gpio error\n");
+ if (gpio_is_valid(di->dc_det_pin))
+ di->dc_det_level = (flags & OF_GPIO_ACTIVE_LOW) ?
+ RK818_DC_IN : RK818_DC_OUT;
+ di->dc_det_irq = gpio_to_irq(di->dc_det_pin);
+ ret = request_irq(di->dc_det_irq, rk81x_vbat_dc_det,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "rk81x_dc_det", NULL);
- 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");
+ dev_err(di->dev, "rk818_dc_det_irq request failed!\n");
+ enable_irq_wake(di->dc_det_irq);
}
-static void battery_info_init(struct battery_info *di, struct rk818 *chip)
+static int rk81x_bat_get_suspend_sec(struct rk81x_battery *di)
{
- 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;
+ int err;
+ int delta_sec;
+ struct rtc_time tm;
+ struct timespec tv = {
+ .tv_nsec = NSEC_PER_SEC >> 1,
+ };
+ struct rtc_device *rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
+
+ err = rtc_read_time(rtc, &tm);
+ if (err) {
+ dev_err(rtc->dev.parent,
+ "hctosys: unable to read the hardware clock\n");
+ }
+ err = rtc_valid_tm(&tm);
+ if (err) {
+ dev_err(rtc->dev.parent,
+ "hctosys: invalid date/time\n");
+ }
+
+ rtc_tm_to_time(&tm, &tv.tv_sec);
+ delta_sec = tv.tv_sec - di->suspend_rtc_base.tv_sec;
+
+ return delta_sec;
}
-/*
-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 rk_battery_parse_dt(struct rk818 *rk818, struct device *dev)
+static int rk81x_bat_parse_dt(struct rk81x_battery *di)
{
- struct device_node *regs, *rk818_pmic_np;
- struct battery_platform_data *data;
+ struct device_node *np;
+ struct battery_platform_data *pdata;
struct cell_config *cell_cfg;
struct ocv_config *ocv_cfg;
struct property *prop;
+ struct rk818 *rk818 = di->rk818;
+ struct device *dev = di->dev;
u32 out_value;
int length, ret;
+ size_t size;
- rk818_pmic_np = of_node_get(rk818->dev->of_node);
- if (!rk818_pmic_np) {
- dev_err(dev, "could not find pmic sub-node\n");
- return -EINVAL;
- }
-
- regs = of_find_node_by_name(rk818_pmic_np, "battery");
- if (!regs) {
+ np = of_find_node_by_name(rk818->dev->of_node, "battery");
+ if (!np) {
dev_err(dev, "battery node not found!\n");
return -EINVAL;
}
- data = devm_kzalloc(rk818->dev, sizeof(*data), GFP_KERNEL);
- if (!data) {
- dev_err(dev, "kzalloc for battery_platform_data failed!\n");
+ pdata = devm_kzalloc(rk818->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
return -ENOMEM;
- }
cell_cfg = devm_kzalloc(rk818->dev, sizeof(*cell_cfg), GFP_KERNEL);
- if (!cell_cfg) {
- dev_err(dev, "kzalloc for cell_config failed!\n");
+ if (!cell_cfg)
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");
+ if (!ocv_cfg)
return -ENOMEM;
- }
- prop = of_find_property(regs, "ocv_table", &length);
+ prop = of_find_property(np, "ocv_table", &length);
if (!prop) {
dev_err(dev, "ocv_table not found!\n");
return -EINVAL;
}
- data->ocv_size = length / sizeof(u32);
+ pdata->ocv_size = length / sizeof(u32);
+ if (pdata->ocv_size <= 0) {
+ dev_err(dev, "invalid ocv table\n");
+ return -EINVAL;
+ }
- if (data->ocv_size > 0) {
- size_t size = sizeof(*data->battery_ocv) * data->ocv_size;
+ size = sizeof(*pdata->battery_ocv) * pdata->ocv_size;
- 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);
- if (ret < 0)
- return ret;
- }
+ pdata->battery_ocv = devm_kzalloc(rk818->dev, size, GFP_KERNEL);
+ if (!pdata->battery_ocv)
+ return -ENOMEM;
- ret = of_property_read_u32(regs, "max_charge_currentmA", &out_value);
+ ret = of_property_read_u32_array(np, "ocv_table", pdata->battery_ocv,
+ pdata->ocv_size);
+ if (ret < 0)
+ return ret;
+
+ /******************** charger param ****************************/
+ ret = of_property_read_u32(np, "max_chrg_currentmA", &out_value);
if (ret < 0) {
- dev_err(dev, "max_charge_currentmA not found!\n");
- out_value = DEFAULT_ICUR;
+ dev_err(dev, "max_chrg_currentmA not found!\n");
+ out_value = DEFAULT_CHRG_CUR;
}
- data->max_charger_currentmA = out_value;
+ pdata->max_charger_currentmA = out_value;
- ret = of_property_read_u32(regs, "max_charge_ilimitmA", &out_value);
+ ret = of_property_read_u32(np, "max_input_currentmA", &out_value);
if (ret < 0) {
dev_err(dev, "max_charger_ilimitmA not found!\n");
- out_value = DEFAULT_ILMT;
+ out_value = DEFAULT_INPUT_CUR;
}
- data->max_charger_ilimitmA = out_value;
+ pdata->max_charger_ilimitmA = out_value;
- ret = of_property_read_u32(regs, "bat_res", &out_value);
+ ret = of_property_read_u32(np, "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;
+ pdata->sense_resistor_mohm = out_value;
- ret = of_property_read_u32(regs, "max_charge_voltagemV", &out_value);
+ ret = of_property_read_u32(np, "max_charge_voltagemV", &out_value);
if (ret < 0) {
dev_err(dev, "max_charge_voltagemV not found!\n");
- out_value = DEFAULT_VLMT;
+ out_value = DEFAULT_CHRG_VOL;
}
- data->max_charger_voltagemV = out_value;
+ pdata->max_charger_voltagemV = out_value;
- ret = of_property_read_u32(regs, "design_capacity", &out_value);
+ ret = of_property_read_u32(np, "design_capacity", &out_value);
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);
+ ret = of_property_read_u32(np, "design_qmax", &out_value);
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);
+ ret = of_property_read_u32(np, "sleep_enter_current", &out_value);
if (ret < 0) {
dev_err(dev, "sleep_enter_current not found!\n");
- return ret;
+ out_value = DEFAULT_SLP_ENTER_CUR;
}
ocv_cfg->sleep_enter_current = out_value;
- ret = of_property_read_u32(regs, "sleep_exit_current", &out_value);
+ ret = of_property_read_u32(np, "sleep_exit_current", &out_value);
if (ret < 0) {
dev_err(dev, "sleep_exit_current not found!\n");
- return ret;
+ out_value = DEFAULT_SLP_EXIT_CUR;
}
ocv_cfg->sleep_exit_current = out_value;
- ret = of_property_read_u32(regs, "support_uboot_chrg", &support_uboot_chrg);
+ ret = of_property_read_u32(np, "power_off_thresd", &out_value);
+ if (ret < 0) {
+ dev_warn(dev, "power_off_thresd not found!\n");
+ out_value = PWR_OFF_THRESD;
+ }
+ pdata->power_off_thresd = out_value;
+
+ of_property_read_u32(np, "chrg_diff_voltagemV", &pdata->chrg_diff_vol);
+ of_property_read_u32(np, "virtual_power", &di->fg_drv_mode);
+ di->fg_drv_mode = di->fg_drv_mode ? TEST_POWER_MODE : FG_NORMAL_MODE;
+
+ /************* charger support adp types **********************/
+ ret = of_property_read_u32(np, "support_usb_adp", &support_usb_adp);
+ ret = of_property_read_u32(np, "support_dc_adp", &support_dc_adp);
+
+ if (!support_usb_adp && !support_dc_adp) {
+ dev_err(dev, "miss both: usb_adp and dc_adp,default:usb_adp!\n");
+ support_usb_adp = 1;
+ }
+
+ if (support_dc_adp)
+ rk81x_bat_dc_det_init(di, np);
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");
+ pdata->cell_cfg = cell_cfg;
+ di->pdata = pdata;
+
+ DBG("\nthe battery dts info dump:\n"
+ "bat_res:%d\n"
+ "max_input_currentmA:%d\n"
+ "max_chrg_currentmA:%d\n"
+ "max_charge_voltagemV:%d\n"
+ "design_capacity:%d\n"
+ "design_qmax :%d\n"
+ "sleep_enter_current:%d\n"
+ "sleep_exit_current:%d\n"
+ "support_usb_adp:%d\n"
+ "support_dc_adp:%d\n"
+ "power_off_thresd:%d\n",
+ pdata->sense_resistor_mohm, pdata->max_charger_ilimitmA,
+ pdata->max_charger_currentmA, pdata->max_charger_voltagemV,
+ cell_cfg->design_capacity, cell_cfg->design_qmax,
+ cell_cfg->ocv->sleep_enter_current,
+ cell_cfg->ocv->sleep_exit_current,
+ support_usb_adp, support_dc_adp, pdata->power_off_thresd);
+
return 0;
}
#else
-static int rk_battery_parse_dt(struct rk818 *rk818, struct device *dev)
+static int rk81x_bat_parse_dt(struct rk81x_battery *di)
{
return -ENODEV;
}
#endif
-
-static int battery_probe(struct platform_device *pdev)
+static int rk81x_battery_probe(struct platform_device *pdev)
{
struct rk818 *chip = dev_get_drvdata(pdev->dev.parent);
- struct battery_info *di;
+ struct rk81x_battery *di;
int ret;
- DBG("battery driver version %s\n", DRIVER_VERSION);
- di = kzalloc(sizeof(*di), GFP_KERNEL);
- if (!di) {
- dev_err(&pdev->dev, "kzalloc battery_info memory failed!\n");
+ di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
+ if (!di)
return -ENOMEM;
- }
- ret = rk_battery_parse_dt(chip, &pdev->dev);
+ di->rk818 = chip;
+ di->dev = &pdev->dev;
+ platform_set_drvdata(pdev, di);
+
+ ret = rk81x_bat_parse_dt(di);
if (ret < 0) {
- dev_err(&pdev->dev, "rk_battery_parse_dt failed!\n");
- return -EINVAL;
+ dev_err(&pdev->dev, "rk81x battery parse dt failed!\n");
+ return ret;
}
- platform_set_drvdata(pdev, di);
- battery_info_init(di, chip);
- if (!is_bat_exist(di)) {
- dev_err(&pdev->dev, "could not find Li-ion battery!\n");
- return -ENODEV;
+ rk81x_bat_info_init(di, chip);
+ if (!is_rk81x_bat_exist(di)) {
+ dev_info(di->dev, "not battery, enter test power mode\n");
+ di->fg_drv_mode = TEST_POWER_MODE;
}
- 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);
+ ret = rk81x_bat_power_supply_init(di);
if (ret) {
- dev_err(&pdev->dev, "rk power supply register failed!\n");
+ dev_err(&pdev->dev, "rk81x power supply register failed!\n");
return ret;
}
- di->wq = create_singlethread_workqueue("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));
- 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);
+ rk81x_bat_irq_init(di);
+ rk81x_bat_sysfs_init(di);
- rk818_battery_irq_init(di);
- rk818_battery_sysfs_init(di, &pdev->dev);
- DBG("------ RK81x battery_probe ok!-------\n");
- return ret;
-}
+ rk81x_bat_fg_init(di);
+ wake_lock_init(&di->resume_wake_lock, WAKE_LOCK_SUSPEND,
+ "resume_charging");
+ rk81x_bat_flatzone_vol_init(di);
+
+#if defined(CONFIG_X86_INTEL_SOFIA)
+ di->usb_phy = usb_get_phy(USB_PHY_TYPE_USB2);
+ if (IS_ERR_OR_NULL(di->usb_phy)) {
+ dev_err(di->dev, "get usb phy failed\n");
+ return PTR_ERR(di->usb_phy);
+ }
+ di->usb_nb.notifier_call = rk81x_battery_usb_notifier;
+ ret = usb_register_notifier(di->usb_phy, &di->usb_nb);
+ if (ret)
+ dev_err(di->dev, "registr usb phy notification failed\n");
+ INIT_DELAYED_WORK(&di->usb_phy_delay_work,
+ rk81x_battery_usb_notifier_delayed_work);
+#endif
+
+ rk81x_battery_register_fb_notify(di);
+ di->wq = alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM | WQ_FREEZABLE,
+ "rk81x-battery-work");
+ INIT_DELAYED_WORK(&di->battery_monitor_work, rk81x_battery_work);
+ INIT_DELAYED_WORK(&di->chrg_term_mode_switch_work,
+ rk81x_chrg_term_mode_switch_work);
+
+ queue_delayed_work(di->wq, &di->battery_monitor_work,
+ msecs_to_jiffies(TIMER_MS_COUNTS * 5));
+#if defined(CONFIG_ARCH_ROCKCHIP)
+ INIT_DELAYED_WORK(&di->charge_check_work,
+ rk81x_battery_charge_check_work);
+ di->battery_nb.notifier_call = rk81x_bat_notifier_call;
+ rk_bc_detect_notifier_register(&di->battery_nb, &di->charge_otg);
+#endif
+ dev_info(di->dev, "battery driver version %s\n", DRIVER_VERSION);
-#ifdef CONFIG_PM
+ return ret;
+}
-static int battery_suspend(struct platform_device *dev, pm_message_t state)
+static int rk81x_battery_suspend(struct platform_device *dev,
+ pm_message_t state)
{
- struct battery_info *di = platform_get_drvdata(dev);
+ struct rk81x_battery *di = platform_get_drvdata(dev);
- enable_vbat_low_irq(di);
- di->sleep_status = di->status;
- di->suspend_charge_current = _get_average_current(di);
+ di->slp_psy_status = rk81x_chrg_online(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;
+ di->chrg_status = rk81x_bat_get_chrg_status(di);
+ di->slp_chrg_status = rk81x_bat_get_chrg_status(di);
+ di->suspend_charge_current = rk81x_bat_get_avg_current(di);
+ di->dischrg_save_sec += rk81x_bat_save_dischrg_sec(di);
+ di->dischrg_normal_base = 0;
+ di->dischrg_emu_base = 0;
+ do_gettimeofday(&di->suspend_rtc_base);
+
+ if (!rk81x_chrg_online(di)) {
+ di->chrg_save_sec += rk81x_bat_save_chrg_sec(di);
+ di->chrg_normal_base = 0;
+ di->chrg_emu_base = 0;
+ di->chrg_term_base = 0;
+ di->chrg_finish_base = 0;
}
- 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);
+ di->s2r = 0;
+ /*
+ * do not modify the g_base_sec
+ */
+ g_base_sec = get_runtime_sec();
+
+ pr_info("battery suspend dl=%d rl=%d c=%d v=%d at=%ld st=0x%x chg=%d\n",
+ di->dsoc, di->rsoc, di->suspend_charge_current, di->voltage,
+ di->suspend_time_sum, di->chrg_status, di->slp_psy_status);
+
return 0;
}
-static int battery_resume(struct platform_device *dev)
+static int rk81x_battery_resume(struct platform_device *dev)
{
- struct battery_info *di = platform_get_drvdata(dev);
+ struct rk81x_battery *di = platform_get_drvdata(dev);
+ int pwroff_thresd = di->pdata->power_off_thresd;
+ int delta_time;
+ int time_step;
+ int delta_soc;
+ int vol;
+
+ di->discharge_smooth_status = true;
+ di->charge_smooth_status = true;
+ di->s2r = 1;
+ vol = rk81x_bat_get_vol(di);
+ if (vol < INVALID_VOL_THRESD) {
+ dev_err(di->dev, "invalid voltage :%d", vol);
+ vol = di->voltage;
+ dbg_enable = 1;
+ }
+ di->voltage = vol;
+ di->current_avg = rk81x_bat_get_avg_current(di);
+ di->relax_voltage = rk81x_bat_get_relax_vol(di);
+ di->est_ocv_vol = rk81x_bat_est_ocv_vol(di);
+ di->est_ocv_soc = rk81x_bat_est_ocv_soc(di);
+ delta_time = rk81x_bat_get_suspend_sec(di);
+ di->suspend_time_sum += delta_time;
+#if defined(CONFIG_ARCH_ROCKCHIP)
+ di->remain_capacity = rk81x_bat_get_realtime_capacity(di);
+#endif
- 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));
+ if (di->slp_psy_status) {
+ time_step = CHRG_TIME_STEP;
+ } else {
+ if (di->voltage <= pwroff_thresd + 50)
+ time_step = DISCHRG_TIME_STEP_0;
+ else
+ time_step = DISCHRG_TIME_STEP_1;
+ }
+
+ pr_info("battery resume c=%d v=%d ev=%d rv=%d dt=%d at=%ld chg=%d\n",
+ di->current_avg, di->voltage, di->est_ocv_vol,
+ di->relax_voltage, delta_time, di->suspend_time_sum,
+ di->slp_psy_status);
+
+ if (di->suspend_time_sum > time_step) {
+ delta_soc = rk81x_bat_update_resume_state(di);
+ if (delta_soc)
+ di->suspend_time_sum = 0;
+ }
- if (di->sleep_status == POWER_SUPPLY_STATUS_CHARGING ||
- di->real_soc <= 5)
- wake_lock_timeout(&di->resume_wake_lock, 5*HZ);
+ if ((!rk81x_chrg_online(di) && di->voltage <= pwroff_thresd) ||
+ rk81x_chrg_online(di))
+ wake_lock_timeout(&di->resume_wake_lock, 5 * HZ);
+ /*
+ * do not modify the g_base_sec
+ */
+ if (is_local_clock_reset())
+ g_base_sec += delta_time;
+ else
+ g_base_sec = 0;
return 0;
}
-static int battery_remove(struct platform_device *dev)
+
+static int rk81x_battery_remove(struct platform_device *dev)
{
- struct battery_info *di = platform_get_drvdata(dev);
+ struct rk81x_battery *di = platform_get_drvdata(dev);
cancel_delayed_work_sync(&di->battery_monitor_work);
return 0;
}
-static void battery_shutdown(struct platform_device *dev)
+
+static void rk81x_battery_shutdown(struct platform_device *dev)
{
- struct battery_info *di = platform_get_drvdata(dev);
+ struct rk81x_battery *di = platform_get_drvdata(dev);
cancel_delayed_work_sync(&di->battery_monitor_work);
- DBG("rk818 shutdown!");
+ rk_bc_detect_notifier_unregister(&di->battery_nb);
+
+ if (BASE_TO_MIN(di->power_on_base) <= REBOOT_INTER_MIN)
+ rk81x_bat_check_reboot(di);
+ else
+ rk81x_bat_save_reboot_cnt(di, 0);
+ rk81x_chrg_term_mode_set(di, CHRG_TERM_ANA_SIGNAL);
}
-#endif
-static struct platform_driver battery_driver = {
+static struct platform_driver rk81x_battery_driver = {
.driver = {
.name = "rk818-battery",
.owner = THIS_MODULE,
},
- .probe = battery_probe,
- .remove = battery_remove,
- .suspend = battery_suspend,
- .resume = battery_resume,
- .shutdown = battery_shutdown,
+ .probe = rk81x_battery_probe,
+ .remove = rk81x_battery_remove,
+ .suspend = rk81x_battery_suspend,
+ .resume = rk81x_battery_resume,
+ .shutdown = rk81x_battery_shutdown,
};
static int __init battery_init(void)
{
- return platform_driver_register(&battery_driver);
+ return platform_driver_register(&rk81x_battery_driver);
}
fs_initcall_sync(battery_init);
static void __exit battery_exit(void)
{
- platform_driver_unregister(&battery_driver);
+ platform_driver_unregister(&rk81x_battery_driver);
}
module_exit(battery_exit);
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:rk818-battery");
MODULE_AUTHOR("ROCKCHIP");
-
projects / firefly-linux-kernel-4.4.55.git / blobdiff