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kernels
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3.10.0-1160.119.1.el7.tuxcare.els21.x86_64
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include
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linux
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mfd
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abx500.h
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/* * Copyright (C) 2007-2009 ST-Ericsson AB * License terms: GNU General Public License (GPL) version 2 * * ABX500 core access functions. * The abx500 interface is used for the Analog Baseband chips. * * 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> */ #include <linux/regulator/machine.h> struct device; #ifndef MFD_ABX500_H #define MFD_ABX500_H /** * 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; }; /* 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 * @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 usb_power_path; 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, }; int ab8500_bm_of_probe(struct device *dev, struct device_node *np, struct abx500_bm_data *bm); 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); void abx500_dump_all_banks(void); 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); void (*dump_all_banks) (struct device *); }; int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops); void abx500_remove_ops(struct device *dev); #endif