Merge tag 'ib-mfd-power-v5.13' into psy-next

#include <linux/mfd/core.h>

#include <linux/mfd/abx500.h>

#include <linux/mfd/abx500/ab8500.h>

#include <linux/mfd/abx500/ab8500-bm.h>

#include <linux/mfd/dbx500-prcmu.h>

#include <linux/of.h>

#include <linux/of_device.h>

}

static const struct mfd_cell ab8500_bm_devs[] = {

	MFD_CELL_OF("ab8500-charger", NULL, &ab8500_bm_data,

		    sizeof(ab8500_bm_data), 0, "stericsson,ab8500-charger"),

	MFD_CELL_OF("ab8500-btemp", NULL, &ab8500_bm_data,

		    sizeof(ab8500_bm_data), 0, "stericsson,ab8500-btemp"),

	MFD_CELL_OF("ab8500-fg", NULL, &ab8500_bm_data,

		    sizeof(ab8500_bm_data), 0, "stericsson,ab8500-fg"),

	MFD_CELL_OF("ab8500-chargalg", NULL, &ab8500_bm_data,

		    sizeof(ab8500_bm_data), 0, "stericsson,ab8500-chargalg"),

	MFD_CELL_OF("ab8500-charger", NULL, NULL, 0, 0,

		    "stericsson,ab8500-charger"),

	MFD_CELL_OF("ab8500-btemp", NULL, NULL, 0, 0,

		    "stericsson,ab8500-btemp"),

	MFD_CELL_OF("ab8500-fg", NULL, NULL, 0, 0,

		    "stericsson,ab8500-fg"),

	MFD_CELL_OF("ab8500-chargalg", NULL, NULL, 0, 0,

		    "stericsson,ab8500-chargalg"),

};

static const struct mfd_cell ab8500_devs[] = {

config AB8500_BM

	bool "AB8500 Battery Management Driver"

	depends on AB8500_CORE && AB8500_GPADC && (IIO = y)

	depends on AB8500_CORE && AB8500_GPADC && (IIO = y) && OF

	help

	  Say Y to include support for AB8500 battery management.

/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright ST-Ericsson 2012.

 *

 * Author: Arun Murthy <arun.murthy@stericsson.com>

 */

#ifndef _AB8500_BM_H

#define _AB8500_BM_H

#ifndef _AB8500_CHARGER_H_

#define _AB8500_CHARGER_H_

#include <linux/kernel.h>

#include <linux/mfd/abx500.h>

/*

 * System control 2 register offsets.

#define BUS_PP_PRECHG_CURRENT_MASK		0x0E

#define BUS_POWER_PATH_PRECHG_ENA		0x01

/*

 * 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 Celsius

 * @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

 * @pcut_enable:			Enable power cut feature in ab8505

 * @pcut_max_time:		Max time threshold

 * @pcut_flag_time:		Flagtime threshold

 * @pcut_max_restart:		Max number of restarts

 * @pcut_debounce_time:		Sets battery debounce time

 */

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;

	bool pcut_enable;

	u8 pcut_max_time;

	u8 pcut_flag_time;

	u8 pcut_max_restart;

	u8 pcut_debounce_time;

};

/**

 * 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_cap		battery capacity 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_cap;

	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;

	const struct abx500_res_to_temp *r_to_t_tbl;

	int n_v_cap_tbl_elements;

	const struct abx500_v_to_cap *v_to_cap_tbl;

	int n_batres_tbl_elements;

	const 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

 * @capacity_scaling    indicates whether capacity scaling is to be used

 * @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)

 * @n_chg_out_curr		number of elements in array chg_output_curr

 * @n_chg_in_curr		number of elements in array chg_input_curr

 * @chg_output_curr	charger output current level map

 * @chg_input_curr		charger input current level map

 * @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 autopower_cfg;

	bool ac_enabled;

	bool usb_enabled;

	bool no_maintenance;

	bool capacity_scaling;

	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;

	int n_chg_out_curr;

	int n_chg_in_curr;

	int *chg_output_curr;

	int *chg_input_curr;

	const struct abx500_maxim_parameters *maxi;

	const struct abx500_bm_capacity_levels *cap_levels;

	struct abx500_battery_type *bat_type;

	const struct abx500_bm_charger_parameters *chg_params;

	const struct abx500_fg_parameters *fg_params;

};

enum {

	NTC_EXTERNAL = 0,

	NTC_INTERNAL,

};

/**

 * struct 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

	const struct ab8500_fg_parameters *fg_params;

};

struct ab8500_btemp;

struct ab8500_gpadc;

struct ab8500_fg;

#ifdef CONFIG_AB8500_BM

extern struct abx500_bm_data ab8500_bm_data;

void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);

struct ab8500_btemp *ab8500_btemp_get(void);

int ab8500_btemp_get_batctrl_temp(struct ab8500_btemp *btemp);

int ab8500_btemp_get_temp(struct ab8500_btemp *btemp);

struct ab8500_fg *ab8500_fg_get(void);

int ab8500_fg_inst_curr_blocking(struct ab8500_fg *dev);

int ab8500_fg_inst_curr_start(struct ab8500_fg *di);

int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res);

int ab8500_fg_inst_curr_started(struct ab8500_fg *di);

int ab8500_fg_inst_curr_done(struct ab8500_fg *di);

int ab8500_bm_of_probe(struct device *dev,

		       struct device_node *np,

		       struct abx500_bm_data *bm);

#else

static struct abx500_bm_data ab8500_bm_data;

#endif

#endif /* _AB8500_BM_H */

#endif /* _AB8500_CHARGER_H_ */

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

 */

#ifndef _UX500_CHARGALG_H

#define _UX500_CHARGALG_H

#ifndef _AB8500_CHARGALG_H_

#define _AB8500_CHARGALG_H_

#include <linux/power_supply.h>

extern struct blocking_notifier_head charger_notifier_list;

#endif

#endif /* _AB8500_CHARGALG_H_ */

#include <linux/of.h>

#include <linux/mfd/abx500.h>

#include <linux/mfd/abx500/ab8500.h>

#include <linux/mfd/abx500/ab8500-bm.h>

#include "ab8500-bm.h"

/*

 * These are the defined batteries that uses a NTC and ID resistor placed