/*
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __S2MU003_FUELGAUGE_H
#define __S2MU003_FUELGAUGE_H __FILE__

#if defined(ANDROID_ALARM_ACTIVATED)
#include <linux/android_alarm.h>
#endif

#include <linux/power/sec_charging_common.h>

/*
 * Slave address should be shifted to the right 1bit.
 * R/W bit should NOT be included.
 */
#define SEC_FUELGAUGE_I2C_SLAVEADDR 0x76

#define S2MU003_REG_STATUS		0x00
#define S2MU003_REG_IRQ			0x02
#define S2MU003_REG_RVBAT		0x04
#define S2MU003_REG_ROCV		0x06
#define S2MU003_REG_RSOC		0x0A
#define S2MU003_REG_RTEMP		0x0E
#define S2MU003_REG_RBATCAP		0x10
#define S2MU003_REG_RZADJ		0x12
#define S2MU003_REG_RBATZ0		0x14
#define S2MU003_REG_RBATZ1		0x16
#define S2MU003_REG_IRQ_LVL		0x18
#define S2MU003_REG_START		0x1A

struct sec_fg_info {
	/* test print count */
	int pr_cnt;
	/* full charge comp */
	/* struct delayed_work full_comp_work; */
	u32 previous_fullcap;
	u32 previous_vffullcap;
	/* low battery comp */
	int low_batt_comp_flag;
	/* low battery boot */
	int low_batt_boot_flag;
	bool is_low_batt_alarm;

	/* battery info */
	u32 soc;

	/* miscellaneous */
	unsigned long fullcap_check_interval;
	int full_check_flag;
	bool is_first_check;
};

struct s2mu003_platform_data {
	int capacity_max;
	int capacity_max_margin;
	int capacity_min;
	int capacity_calculation_type;
	int fuel_alert_soc;
	int fullsocthr;
	int fg_irq;

	char *fuelgauge_name;

	bool repeated_fuelalert;

	struct sec_charging_current *charging_current;
};

struct s2mu003_fuelgauge_data {
	struct device		*dev;
	struct i2c_client	*i2c;
	struct i2c_client	*pmic;
	s2mu003_mfd_chip_t	*s2mu003;
	struct mutex		fuelgauge_mutex;
	struct s2mu003_platform_data *pdata;
	struct power_supply	psy_fg;
	/* struct delayed_work isr_work; */

	int cable_type;
	bool is_charging;

	/*
	 * HW-dedicated fuel guage info structure
	 * used in individual fuel gauge file only
	 * (ex. dummy_fuelgauge.c)
	 */
	struct sec_fg_info	info;
	bool is_fuel_alerted;
	struct wake_lock fuel_alert_wake_lock;

	unsigned int capacity_old;	/* only for atomic calculation */
	unsigned int capacity_max;	/* only for dynamic calculation */
	unsigned int standard_capacity;

	bool initial_update_of_soc;
	struct mutex fg_lock;

	/* register programming */
	int reg_addr;
	u8 reg_data[2];

	unsigned int pre_soc;
	int fg_irq;
};
#endif /* __S2MU003_FUELGAUGE_H */