abx500-chargalg: Add abx500 charging algorithm

	u8 setting;

};

/* Battery driver related data */

/*

 * ADC for the battery thermistor.

 * When using the ABx500_ADC_THERM_BATCTRL the battery ID resistor is combined

 * with a NTC resistor to both identify the battery and to measure its

 * temperature. Different phone manufactures uses different techniques to both

 * identify the battery and to read its temperature.

 */

enum abx500_adc_therm {

	ABx500_ADC_THERM_BATCTRL,

	ABx500_ADC_THERM_BATTEMP,

};

/**

 * struct abx500_res_to_temp - defines one point in a temp to res curve. To

 * be used in battery packs that combines the identification resistor with a

 * NTC resistor.

 * @temp:			battery pack temperature in Celcius

 * @resist:			NTC resistor net total resistance

 */

struct abx500_res_to_temp {

	int temp;

	int resist;

};

/**

 * struct abx500_v_to_cap - Table for translating voltage to capacity

 * @voltage:		Voltage in mV

 * @capacity:		Capacity in percent

 */

struct abx500_v_to_cap {

	int voltage;

	int capacity;

};

/* Forward declaration */

struct abx500_fg;

/**

 * struct abx500_fg_parameters - Fuel gauge algorithm parameters, in seconds

 * if not specified

 * @recovery_sleep_timer:	Time between measurements while recovering

 * @recovery_total_time:	Total recovery time

 * @init_timer:			Measurement interval during startup

 * @init_discard_time:		Time we discard voltage measurement at startup

 * @init_total_time:		Total init time during startup

 * @high_curr_time:		Time current has to be high to go to recovery

 * @accu_charging:		FG accumulation time while charging

 * @accu_high_curr:		FG accumulation time in high current mode

 * @high_curr_threshold:	High current threshold, in mA

 * @lowbat_threshold:		Low battery threshold, in mV

 * @overbat_threshold:		Over battery threshold, in mV

 * @battok_falling_th_sel0	Threshold in mV for battOk signal sel0

 *				Resolution in 50 mV step.

 * @battok_raising_th_sel1	Threshold in mV for battOk signal sel1

 *				Resolution in 50 mV step.

 * @user_cap_limit		Capacity reported from user must be within this

 *				limit to be considered as sane, in percentage

 *				points.

 * @maint_thres			This is the threshold where we stop reporting

 *				battery full while in maintenance, in per cent

 */

struct abx500_fg_parameters {

	int recovery_sleep_timer;

	int recovery_total_time;

	int init_timer;

	int init_discard_time;

	int init_total_time;

	int high_curr_time;

	int accu_charging;

	int accu_high_curr;

	int high_curr_threshold;

	int lowbat_threshold;

	int overbat_threshold;

	int battok_falling_th_sel0;

	int battok_raising_th_sel1;

	int user_cap_limit;

	int maint_thres;

};

/**

 * struct abx500_charger_maximization - struct used by the board config.

 * @use_maxi:		Enable maximization for this battery type

 * @maxi_chg_curr:	Maximum charger current allowed

 * @maxi_wait_cycles:	cycles to wait before setting charger current

 * @charger_curr_step	delta between two charger current settings (mA)

 */

struct abx500_maxim_parameters {

	bool ena_maxi;

	int chg_curr;

	int wait_cycles;

	int charger_curr_step;

};

/**

 * struct abx500_battery_type - different batteries supported

 * @name:			battery technology

 * @resis_high:			battery upper resistance limit

 * @resis_low:			battery lower resistance limit

 * @charge_full_design:		Maximum battery capacity in mAh

 * @nominal_voltage:		Nominal voltage of the battery in mV

 * @termination_vol:		max voltage upto which battery can be charged

 * @termination_curr		battery charging termination current in mA

 * @recharge_vol		battery voltage limit that will trigger a new

 *				full charging cycle in the case where maintenan-

 *				-ce charging has been disabled

 * @normal_cur_lvl:		charger current in normal state in mA

 * @normal_vol_lvl:		charger voltage in normal state in mV

 * @maint_a_cur_lvl:		charger current in maintenance A state in mA

 * @maint_a_vol_lvl:		charger voltage in maintenance A state in mV

 * @maint_a_chg_timer_h:	charge time in maintenance A state

 * @maint_b_cur_lvl:		charger current in maintenance B state in mA

 * @maint_b_vol_lvl:		charger voltage in maintenance B state in mV

 * @maint_b_chg_timer_h:	charge time in maintenance B state

 * @low_high_cur_lvl:		charger current in temp low/high state in mA

 * @low_high_vol_lvl:		charger voltage in temp low/high state in mV'

 * @battery_resistance:		battery inner resistance in mOhm.

 * @n_r_t_tbl_elements:		number of elements in r_to_t_tbl

 * @r_to_t_tbl:			table containing resistance to temp points

 * @n_v_cap_tbl_elements:	number of elements in v_to_cap_tbl

 * @v_to_cap_tbl:		Voltage to capacity (in %) table

 * @n_batres_tbl_elements	number of elements in the batres_tbl

 * @batres_tbl			battery internal resistance vs temperature table

 */

struct abx500_battery_type {

	int name;

	int resis_high;

	int resis_low;

	int charge_full_design;

	int nominal_voltage;

	int termination_vol;

	int termination_curr;

	int recharge_vol;

	int normal_cur_lvl;

	int normal_vol_lvl;

	int maint_a_cur_lvl;

	int maint_a_vol_lvl;

	int maint_a_chg_timer_h;

	int maint_b_cur_lvl;

	int maint_b_vol_lvl;

	int maint_b_chg_timer_h;

	int low_high_cur_lvl;

	int low_high_vol_lvl;

	int battery_resistance;

	int n_temp_tbl_elements;

	struct abx500_res_to_temp *r_to_t_tbl;

	int n_v_cap_tbl_elements;

	struct abx500_v_to_cap *v_to_cap_tbl;

	int n_batres_tbl_elements;

	struct batres_vs_temp *batres_tbl;

};

/**

 * struct abx500_bm_capacity_levels - abx500 capacity level data

 * @critical:		critical capacity level in percent

 * @low:		low capacity level in percent

 * @normal:		normal capacity level in percent

 * @high:		high capacity level in percent

 * @full:		full capacity level in percent

 */

struct abx500_bm_capacity_levels {

	int critical;

	int low;

	int normal;

	int high;

	int full;

};

/**

 * struct abx500_bm_charger_parameters - Charger specific parameters

 * @usb_volt_max:	maximum allowed USB charger voltage in mV

 * @usb_curr_max:	maximum allowed USB charger current in mA

 * @ac_volt_max:	maximum allowed AC charger voltage in mV

 * @ac_curr_max:	maximum allowed AC charger current in mA

 */

struct abx500_bm_charger_parameters {

	int usb_volt_max;

	int usb_curr_max;

	int ac_volt_max;

	int ac_curr_max;

};

/**

 * struct abx500_bm_data - abx500 battery management data

 * @temp_under		under this temp, charging is stopped

 * @temp_low		between this temp and temp_under charging is reduced

 * @temp_high		between this temp and temp_over charging is reduced

 * @temp_over		over this temp, charging is stopped

 * @temp_now		present battery temperature

 * @temp_interval_chg	temperature measurement interval in s when charging

 * @temp_interval_nochg	temperature measurement interval in s when not charging

 * @main_safety_tmr_h	safety timer for main charger

 * @usb_safety_tmr_h	safety timer for usb charger

 * @bkup_bat_v		voltage which we charge the backup battery with

 * @bkup_bat_i		current which we charge the backup battery with

 * @no_maintenance	indicates that maintenance charging is disabled

 * @abx500_adc_therm	placement of thermistor, batctrl or battemp adc

 * @chg_unknown_bat	flag to enable charging of unknown batteries

 * @enable_overshoot	flag to enable VBAT overshoot control

 * @auto_trig		flag to enable auto adc trigger

 * @fg_res		resistance of FG resistor in 0.1mOhm

 * @n_btypes		number of elements in array bat_type

 * @batt_id		index of the identified battery in array bat_type

 * @interval_charging	charge alg cycle period time when charging (sec)

 * @interval_not_charging charge alg cycle period time when not charging (sec)

 * @temp_hysteresis	temperature hysteresis

 * @gnd_lift_resistance	Battery ground to phone ground resistance (mOhm)

 * @maxi:		maximization parameters

 * @cap_levels		capacity in percent for the different capacity levels

 * @bat_type		table of supported battery types

 * @chg_params		charger parameters

 * @fg_params		fuel gauge parameters

 */

struct abx500_bm_data {

	int temp_under;

	int temp_low;

	int temp_high;

	int temp_over;

	int temp_now;

	int temp_interval_chg;

	int temp_interval_nochg;

	int main_safety_tmr_h;

	int usb_safety_tmr_h;

	int bkup_bat_v;

	int bkup_bat_i;

	bool no_maintenance;

	bool chg_unknown_bat;

	bool enable_overshoot;

	bool auto_trig;

	enum abx500_adc_therm adc_therm;

	int fg_res;

	int n_btypes;

	int batt_id;

	int interval_charging;

	int interval_not_charging;

	int temp_hysteresis;

	int gnd_lift_resistance;

	const struct abx500_maxim_parameters *maxi;

	const struct abx500_bm_capacity_levels *cap_levels;

	const struct abx500_battery_type *bat_type;

	const struct abx500_bm_charger_parameters *chg_params;

	const struct abx500_fg_parameters *fg_params;

};

struct abx500_chargalg_platform_data {

	char **supplied_to;

	size_t num_supplicants;

};

struct abx500_charger_platform_data {

	char **supplied_to;

	size_t num_supplicants;

	bool autopower_cfg;

};

struct abx500_btemp_platform_data {

	char **supplied_to;

	size_t num_supplicants;

};

struct abx500_fg_platform_data {

	char **supplied_to;

	size_t num_supplicants;

};

struct abx500_bm_plat_data {

	struct abx500_bm_data *battery;

	struct abx500_charger_platform_data *charger;

	struct abx500_btemp_platform_data *btemp;

	struct abx500_fg_platform_data *fg;

	struct abx500_chargalg_platform_data *chargalg;

};

int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg,

	u8 value);

int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg,

/*

 * Copyright (C) ST-Ericsson SA 2012

 * Author: Johan Gardsmark <johan.gardsmark@stericsson.com> for ST-Ericsson.

 * License terms:  GNU General Public License (GPL), version 2

 */

#ifndef _UX500_CHARGALG_H

#define _UX500_CHARGALG_H

#include <linux/power_supply.h>

#define psy_to_ux500_charger(x) container_of((x), \

		struct ux500_charger, psy)

/* Forward declaration */

struct ux500_charger;

struct ux500_charger_ops {

	int (*enable) (struct ux500_charger *, int, int, int);

	int (*kick_wd) (struct ux500_charger *);

	int (*update_curr) (struct ux500_charger *, int);

};

/**

 * struct ux500_charger - power supply ux500 charger sub class

 * @psy			power supply base class

 * @ops			ux500 charger operations

 * @max_out_volt	maximum output charger voltage in mV

 * @max_out_curr	maximum output charger current in mA

 */

struct ux500_charger {

	struct power_supply psy;

	struct ux500_charger_ops ops;

	int max_out_volt;

	int max_out_curr;

};

#endif