mfd/power: ab8500: Push data to power supply code
There is a slew of defines, structs and enums and even a function call only relevant for the charging code that still lives in <linux/mfd/abx500.h>. Push it down to the "ab8500-bm.h" header in the power supply subsystem where it is actually used. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Linus Walleij
Lee Jones
Родитель
a65aa0ce23
Коммит
ee0975c308
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@ -4,7 +4,6 @@
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#define _AB8500_CHARGER_H_
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#include <linux/kernel.h>
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#include <linux/mfd/abx500.h>
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/*
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* System control 2 register offsets.
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@ -268,6 +267,277 @@ enum bup_vch_sel {
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#define BUS_PP_PRECHG_CURRENT_MASK 0x0E
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#define BUS_POWER_PATH_PRECHG_ENA 0x01
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/*
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* ADC for the battery thermistor.
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* When using the ABx500_ADC_THERM_BATCTRL the battery ID resistor is combined
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* with a NTC resistor to both identify the battery and to measure its
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* temperature. Different phone manufactures uses different techniques to both
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* identify the battery and to read its temperature.
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*/
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enum abx500_adc_therm {
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ABx500_ADC_THERM_BATCTRL,
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ABx500_ADC_THERM_BATTEMP,
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};
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/**
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* struct abx500_res_to_temp - defines one point in a temp to res curve. To
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* be used in battery packs that combines the identification resistor with a
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* NTC resistor.
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* @temp: battery pack temperature in Celsius
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* @resist: NTC resistor net total resistance
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*/
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struct abx500_res_to_temp {
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int temp;
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int resist;
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};
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/**
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* struct abx500_v_to_cap - Table for translating voltage to capacity
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* @voltage: Voltage in mV
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* @capacity: Capacity in percent
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*/
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struct abx500_v_to_cap {
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int voltage;
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int capacity;
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};
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/* Forward declaration */
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struct abx500_fg;
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/**
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* struct abx500_fg_parameters - Fuel gauge algorithm parameters, in seconds
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* if not specified
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* @recovery_sleep_timer: Time between measurements while recovering
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* @recovery_total_time: Total recovery time
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* @init_timer: Measurement interval during startup
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* @init_discard_time: Time we discard voltage measurement at startup
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* @init_total_time: Total init time during startup
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* @high_curr_time: Time current has to be high to go to recovery
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* @accu_charging: FG accumulation time while charging
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* @accu_high_curr: FG accumulation time in high current mode
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* @high_curr_threshold: High current threshold, in mA
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* @lowbat_threshold: Low battery threshold, in mV
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* @overbat_threshold: Over battery threshold, in mV
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* @battok_falling_th_sel0 Threshold in mV for battOk signal sel0
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* Resolution in 50 mV step.
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* @battok_raising_th_sel1 Threshold in mV for battOk signal sel1
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* Resolution in 50 mV step.
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* @user_cap_limit Capacity reported from user must be within this
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* limit to be considered as sane, in percentage
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* points.
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* @maint_thres This is the threshold where we stop reporting
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* battery full while in maintenance, in per cent
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* @pcut_enable: Enable power cut feature in ab8505
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* @pcut_max_time: Max time threshold
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* @pcut_flag_time: Flagtime threshold
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* @pcut_max_restart: Max number of restarts
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* @pcut_debounce_time: Sets battery debounce time
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*/
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struct abx500_fg_parameters {
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int recovery_sleep_timer;
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int recovery_total_time;
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int init_timer;
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int init_discard_time;
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int init_total_time;
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int high_curr_time;
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int accu_charging;
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int accu_high_curr;
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int high_curr_threshold;
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int lowbat_threshold;
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int overbat_threshold;
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int battok_falling_th_sel0;
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int battok_raising_th_sel1;
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int user_cap_limit;
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int maint_thres;
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bool pcut_enable;
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u8 pcut_max_time;
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u8 pcut_flag_time;
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u8 pcut_max_restart;
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u8 pcut_debounce_time;
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};
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/**
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* struct abx500_charger_maximization - struct used by the board config.
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* @use_maxi: Enable maximization for this battery type
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* @maxi_chg_curr: Maximum charger current allowed
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* @maxi_wait_cycles: cycles to wait before setting charger current
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* @charger_curr_step delta between two charger current settings (mA)
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*/
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struct abx500_maxim_parameters {
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bool ena_maxi;
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int chg_curr;
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int wait_cycles;
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int charger_curr_step;
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};
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/**
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* struct abx500_battery_type - different batteries supported
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* @name: battery technology
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* @resis_high: battery upper resistance limit
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* @resis_low: battery lower resistance limit
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* @charge_full_design: Maximum battery capacity in mAh
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* @nominal_voltage: Nominal voltage of the battery in mV
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* @termination_vol: max voltage upto which battery can be charged
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* @termination_curr battery charging termination current in mA
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* @recharge_cap battery capacity limit that will trigger a new
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* full charging cycle in the case where maintenan-
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* -ce charging has been disabled
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* @normal_cur_lvl: charger current in normal state in mA
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* @normal_vol_lvl: charger voltage in normal state in mV
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* @maint_a_cur_lvl: charger current in maintenance A state in mA
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* @maint_a_vol_lvl: charger voltage in maintenance A state in mV
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* @maint_a_chg_timer_h: charge time in maintenance A state
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* @maint_b_cur_lvl: charger current in maintenance B state in mA
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* @maint_b_vol_lvl: charger voltage in maintenance B state in mV
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* @maint_b_chg_timer_h: charge time in maintenance B state
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* @low_high_cur_lvl: charger current in temp low/high state in mA
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* @low_high_vol_lvl: charger voltage in temp low/high state in mV'
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* @battery_resistance: battery inner resistance in mOhm.
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* @n_r_t_tbl_elements: number of elements in r_to_t_tbl
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* @r_to_t_tbl: table containing resistance to temp points
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* @n_v_cap_tbl_elements: number of elements in v_to_cap_tbl
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* @v_to_cap_tbl: Voltage to capacity (in %) table
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* @n_batres_tbl_elements number of elements in the batres_tbl
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* @batres_tbl battery internal resistance vs temperature table
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*/
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struct abx500_battery_type {
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int name;
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int resis_high;
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int resis_low;
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int charge_full_design;
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int nominal_voltage;
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int termination_vol;
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int termination_curr;
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int recharge_cap;
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int normal_cur_lvl;
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int normal_vol_lvl;
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int maint_a_cur_lvl;
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int maint_a_vol_lvl;
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int maint_a_chg_timer_h;
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int maint_b_cur_lvl;
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int maint_b_vol_lvl;
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int maint_b_chg_timer_h;
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int low_high_cur_lvl;
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int low_high_vol_lvl;
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int battery_resistance;
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int n_temp_tbl_elements;
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const struct abx500_res_to_temp *r_to_t_tbl;
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int n_v_cap_tbl_elements;
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const struct abx500_v_to_cap *v_to_cap_tbl;
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int n_batres_tbl_elements;
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const struct batres_vs_temp *batres_tbl;
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};
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/**
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* struct abx500_bm_capacity_levels - abx500 capacity level data
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* @critical: critical capacity level in percent
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* @low: low capacity level in percent
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* @normal: normal capacity level in percent
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* @high: high capacity level in percent
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* @full: full capacity level in percent
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*/
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struct abx500_bm_capacity_levels {
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int critical;
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int low;
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int normal;
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int high;
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int full;
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};
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/**
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* struct abx500_bm_charger_parameters - Charger specific parameters
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* @usb_volt_max: maximum allowed USB charger voltage in mV
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* @usb_curr_max: maximum allowed USB charger current in mA
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* @ac_volt_max: maximum allowed AC charger voltage in mV
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* @ac_curr_max: maximum allowed AC charger current in mA
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*/
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struct abx500_bm_charger_parameters {
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int usb_volt_max;
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int usb_curr_max;
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int ac_volt_max;
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int ac_curr_max;
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};
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/**
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* struct abx500_bm_data - abx500 battery management data
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* @temp_under under this temp, charging is stopped
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* @temp_low between this temp and temp_under charging is reduced
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* @temp_high between this temp and temp_over charging is reduced
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* @temp_over over this temp, charging is stopped
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* @temp_now present battery temperature
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* @temp_interval_chg temperature measurement interval in s when charging
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* @temp_interval_nochg temperature measurement interval in s when not charging
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* @main_safety_tmr_h safety timer for main charger
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* @usb_safety_tmr_h safety timer for usb charger
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* @bkup_bat_v voltage which we charge the backup battery with
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* @bkup_bat_i current which we charge the backup battery with
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* @no_maintenance indicates that maintenance charging is disabled
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* @capacity_scaling indicates whether capacity scaling is to be used
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* @abx500_adc_therm placement of thermistor, batctrl or battemp adc
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* @chg_unknown_bat flag to enable charging of unknown batteries
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* @enable_overshoot flag to enable VBAT overshoot control
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* @auto_trig flag to enable auto adc trigger
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* @fg_res resistance of FG resistor in 0.1mOhm
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* @n_btypes number of elements in array bat_type
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* @batt_id index of the identified battery in array bat_type
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* @interval_charging charge alg cycle period time when charging (sec)
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* @interval_not_charging charge alg cycle period time when not charging (sec)
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* @temp_hysteresis temperature hysteresis
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* @gnd_lift_resistance Battery ground to phone ground resistance (mOhm)
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* @n_chg_out_curr number of elements in array chg_output_curr
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* @n_chg_in_curr number of elements in array chg_input_curr
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* @chg_output_curr charger output current level map
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* @chg_input_curr charger input current level map
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* @maxi maximization parameters
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* @cap_levels capacity in percent for the different capacity levels
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* @bat_type table of supported battery types
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* @chg_params charger parameters
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* @fg_params fuel gauge parameters
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*/
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struct abx500_bm_data {
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int temp_under;
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int temp_low;
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int temp_high;
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int temp_over;
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int temp_now;
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int temp_interval_chg;
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int temp_interval_nochg;
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int main_safety_tmr_h;
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int usb_safety_tmr_h;
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int bkup_bat_v;
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int bkup_bat_i;
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bool autopower_cfg;
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bool ac_enabled;
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bool usb_enabled;
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bool no_maintenance;
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bool capacity_scaling;
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bool chg_unknown_bat;
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bool enable_overshoot;
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bool auto_trig;
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enum abx500_adc_therm adc_therm;
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int fg_res;
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int n_btypes;
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int batt_id;
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int interval_charging;
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int interval_not_charging;
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int temp_hysteresis;
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int gnd_lift_resistance;
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int n_chg_out_curr;
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int n_chg_in_curr;
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int *chg_output_curr;
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int *chg_input_curr;
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const struct abx500_maxim_parameters *maxi;
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const struct abx500_bm_capacity_levels *cap_levels;
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struct abx500_battery_type *bat_type;
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const struct abx500_bm_charger_parameters *chg_params;
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const struct abx500_fg_parameters *fg_params;
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};
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enum {
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NTC_EXTERNAL = 0,
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NTC_INTERNAL,
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};
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/**
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* struct res_to_temp - defines one point in a temp to res curve. To
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* be used in battery packs that combines the identification resistor with a
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@ -447,9 +717,6 @@ struct ab8500_bm_data {
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const struct ab8500_fg_parameters *fg_params;
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};
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struct ab8500_btemp;
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struct ab8500_fg;
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extern struct abx500_bm_data ab8500_bm_data;
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void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);
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@ -459,5 +726,8 @@ int ab8500_fg_inst_curr_start(struct ab8500_fg *di);
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int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res);
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int ab8500_fg_inst_curr_started(struct ab8500_fg *di);
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int ab8500_fg_inst_curr_done(struct ab8500_fg *di);
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int ab8500_bm_of_probe(struct device *dev,
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struct device_node *np,
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struct abx500_bm_data *bm);
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#endif /* _AB8500_CHARGER_H_ */
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@ -28,282 +28,6 @@ struct abx500_init_settings {
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u8 setting;
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};
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/* Battery driver related data */
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/*
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* ADC for the battery thermistor.
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* When using the ABx500_ADC_THERM_BATCTRL the battery ID resistor is combined
|
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* with a NTC resistor to both identify the battery and to measure its
|
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* temperature. Different phone manufactures uses different techniques to both
|
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* identify the battery and to read its temperature.
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*/
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enum abx500_adc_therm {
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ABx500_ADC_THERM_BATCTRL,
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ABx500_ADC_THERM_BATTEMP,
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};
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/**
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* struct abx500_res_to_temp - defines one point in a temp to res curve. To
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* be used in battery packs that combines the identification resistor with a
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* NTC resistor.
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* @temp: battery pack temperature in Celsius
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* @resist: NTC resistor net total resistance
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*/
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struct abx500_res_to_temp {
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int temp;
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int resist;
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};
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/**
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* struct abx500_v_to_cap - Table for translating voltage to capacity
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* @voltage: Voltage in mV
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* @capacity: Capacity in percent
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*/
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struct abx500_v_to_cap {
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int voltage;
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int capacity;
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};
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/* Forward declaration */
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struct abx500_fg;
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/**
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* 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
|
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* @pcut_debounce_time: Sets battery debounce time
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||||
*/
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struct abx500_fg_parameters {
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int recovery_sleep_timer;
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int recovery_total_time;
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int init_timer;
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int init_discard_time;
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int init_total_time;
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int high_curr_time;
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int accu_charging;
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int accu_high_curr;
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int high_curr_threshold;
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int lowbat_threshold;
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int overbat_threshold;
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int battok_falling_th_sel0;
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int battok_raising_th_sel1;
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int user_cap_limit;
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int maint_thres;
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bool pcut_enable;
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u8 pcut_max_time;
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u8 pcut_flag_time;
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u8 pcut_max_restart;
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u8 pcut_debounce_time;
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};
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/**
|
||||
* 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 {
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||||
bool ena_maxi;
|
||||
int chg_curr;
|
||||
int wait_cycles;
|
||||
int charger_curr_step;
|
||||
};
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||||
|
||||
/**
|
||||
* 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,
|
||||
};
|
||||
|
||||
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,
|
||||
|
|
|
|||
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