2009-05-22 04:17:06 +07:00
|
|
|
/*
|
|
|
|
|
* Copyright (C) 2007-2009 ST-Ericsson AB
|
|
|
|
|
* License terms: GNU General Public License (GPL) version 2
|
2010-05-01 23:26:20 +07:00
|
|
|
*
|
|
|
|
|
* ABX500 core access functions.
|
2012-08-10 15:32:35 +07:00
|
|
|
* The abx500 interface is used for the Analog Baseband chips.
|
2010-05-01 23:26:20 +07:00
|
|
|
*
|
|
|
|
|
* Author: Mattias Wallin <mattias.wallin@stericsson.com>
|
|
|
|
|
* Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
|
|
|
|
|
* Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
|
|
|
|
|
* Author: Rickard Andersson <rickard.andersson@stericsson.com>
|
2009-05-22 04:17:06 +07:00
|
|
|
*/
|
|
|
|
|
|
2009-09-09 16:31:00 +07:00
|
|
|
#include <linux/regulator/machine.h>
|
2009-05-22 04:17:06 +07:00
|
|
|
|
2012-01-30 23:46:54 +07:00
|
|
|
struct device;
|
|
|
|
|
|
2010-05-01 23:26:20 +07:00
|
|
|
#ifndef MFD_ABX500_H
|
|
|
|
|
#define MFD_ABX500_H
|
2009-05-22 04:17:06 +07:00
|
|
|
|
2010-05-01 23:26:20 +07:00
|
|
|
/**
|
|
|
|
|
* struct abx500_init_setting
|
|
|
|
|
* Initial value of the registers for driver to use during setup.
|
|
|
|
|
*/
|
|
|
|
|
struct abx500_init_settings {
|
|
|
|
|
u8 bank;
|
|
|
|
|
u8 reg;
|
|
|
|
|
u8 setting;
|
|
|
|
|
};
|
|
|
|
|
|
2012-02-29 23:24:25 +07:00
|
|
|
/* 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
|
2012-05-31 21:16:36 +07:00
|
|
|
* @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
|
2012-02-29 23:24:25 +07:00
|
|
|
*/
|
|
|
|
|
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;
|
2012-05-31 21:16:36 +07:00
|
|
|
bool pcut_enable;
|
|
|
|
|
u8 pcut_max_time;
|
|
|
|
|
u8 pcut_flag_time;
|
|
|
|
|
u8 pcut_max_restart;
|
|
|
|
|
u8 pcut_debounce_time;
|
2012-02-29 23:24:25 +07:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 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
|
2013-01-11 20:12:54 +07:00
|
|
|
* @recharge_cap battery capacity limit that will trigger a new
|
2012-02-29 23:24:25 +07:00
|
|
|
* 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;
|
2013-01-11 20:12:54 +07:00
|
|
|
int recharge_cap;
|
2012-02-29 23:24:25 +07:00
|
|
|
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;
|
2013-04-03 19:18:10 +07:00
|
|
|
const struct abx500_res_to_temp *r_to_t_tbl;
|
2012-02-29 23:24:25 +07:00
|
|
|
int n_v_cap_tbl_elements;
|
2013-04-03 19:18:10 +07:00
|
|
|
const struct abx500_v_to_cap *v_to_cap_tbl;
|
2012-02-29 23:24:25 +07:00
|
|
|
int n_batres_tbl_elements;
|
2013-04-03 19:18:10 +07:00
|
|
|
const struct batres_vs_temp *batres_tbl;
|
2012-02-29 23:24:25 +07:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 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
|
2013-01-11 20:12:54 +07:00
|
|
|
* @capacity_scaling indicates whether capacity scaling is to be used
|
2012-02-29 23:24:25 +07:00
|
|
|
* @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)
|
2012-08-29 19:36:51 +07:00
|
|
|
* @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
|
2012-02-29 23:24:25 +07:00
|
|
|
* @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;
|
2013-01-17 23:08:42 +07:00
|
|
|
bool autopower_cfg;
|
|
|
|
|
bool ac_enabled;
|
|
|
|
|
bool usb_enabled;
|
2013-02-14 19:39:15 +07:00
|
|
|
bool usb_power_path;
|
2012-02-29 23:24:25 +07:00
|
|
|
bool no_maintenance;
|
2013-01-11 20:12:54 +07:00
|
|
|
bool capacity_scaling;
|
2012-02-29 23:24:25 +07:00
|
|
|
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;
|
2012-08-29 19:36:51 +07:00
|
|
|
int n_chg_out_curr;
|
|
|
|
|
int n_chg_in_curr;
|
|
|
|
|
int *chg_output_curr;
|
|
|
|
|
int *chg_input_curr;
|
2012-02-29 23:24:25 +07:00
|
|
|
const struct abx500_maxim_parameters *maxi;
|
|
|
|
|
const struct abx500_bm_capacity_levels *cap_levels;
|
2012-11-19 09:45:41 +07:00
|
|
|
struct abx500_battery_type *bat_type;
|
2012-02-29 23:24:25 +07:00
|
|
|
const struct abx500_bm_charger_parameters *chg_params;
|
|
|
|
|
const struct abx500_fg_parameters *fg_params;
|
|
|
|
|
};
|
|
|
|
|
|
2012-11-19 09:45:41 +07:00
|
|
|
enum {
|
|
|
|
|
NTC_EXTERNAL = 0,
|
|
|
|
|
NTC_INTERNAL,
|
2012-02-29 23:24:25 +07:00
|
|
|
};
|
|
|
|
|
|
2012-11-30 17:09:42 +07:00
|
|
|
int ab8500_bm_of_probe(struct device *dev,
|
|
|
|
|
struct device_node *np,
|
2012-11-29 22:08:41 +07:00
|
|
|
struct abx500_bm_data *bm);
|
2012-02-29 23:24:25 +07:00
|
|
|
|
2010-05-01 23:26:20 +07:00
|
|
|
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,
|
|
|
|
|
u8 *value);
|
|
|
|
|
int abx500_get_register_page_interruptible(struct device *dev, u8 bank,
|
|
|
|
|
u8 first_reg, u8 *regvals, u8 numregs);
|
|
|
|
|
int abx500_set_register_page_interruptible(struct device *dev, u8 bank,
|
|
|
|
|
u8 first_reg, u8 *regvals, u8 numregs);
|
|
|
|
|
/**
|
|
|
|
|
* abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a
|
|
|
|
|
* target register
|
|
|
|
|
*
|
|
|
|
|
* @dev: The AB sub device.
|
|
|
|
|
* @bank: The i2c bank number.
|
|
|
|
|
* @bitmask: The bit mask to use.
|
|
|
|
|
* @bitvalues: The new bit values.
|
|
|
|
|
*
|
|
|
|
|
* Updates the value of an AB register:
|
|
|
|
|
* value -> ((value & ~bitmask) | (bitvalues & bitmask))
|
|
|
|
|
*/
|
|
|
|
|
int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank,
|
|
|
|
|
u8 reg, u8 bitmask, u8 bitvalues);
|
|
|
|
|
int abx500_get_chip_id(struct device *dev);
|
|
|
|
|
int abx500_event_registers_startup_state_get(struct device *dev, u8 *event);
|
|
|
|
|
int abx500_startup_irq_enabled(struct device *dev, unsigned int irq);
|
|
|
|
|
|
|
|
|
|
struct abx500_ops {
|
|
|
|
|
int (*get_chip_id) (struct device *);
|
|
|
|
|
int (*get_register) (struct device *, u8, u8, u8 *);
|
|
|
|
|
int (*set_register) (struct device *, u8, u8, u8);
|
|
|
|
|
int (*get_register_page) (struct device *, u8, u8, u8 *, u8);
|
|
|
|
|
int (*set_register_page) (struct device *, u8, u8, u8 *, u8);
|
|
|
|
|
int (*mask_and_set_register) (struct device *, u8, u8, u8, u8);
|
|
|
|
|
int (*event_registers_startup_state_get) (struct device *, u8 *);
|
|
|
|
|
int (*startup_irq_enabled) (struct device *, unsigned int);
|
2012-01-27 17:22:16 +07:00
|
|
|
void (*dump_all_banks) (struct device *);
|
2010-05-01 23:26:20 +07:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops);
|
2010-09-22 20:58:30 +07:00
|
|
|
void abx500_remove_ops(struct device *dev);
|
2009-05-22 04:17:06 +07:00
|
|
|
#endif
|
