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[92.34.203.215]) by smtp.gmail.com with ESMTPSA id p6sm1617532lfc.71.2021.03.12.00.36.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Mar 2021 00:36:14 -0800 (PST) From: Linus Walleij To: lee.jones@linaro.org, Sebastian Reichel Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Linus Walleij Subject: [PATCH 4/4] mfd/power: ab8500: Push data to power supply code Date: Fri, 12 Mar 2021 09:36:04 +0100 Message-Id: <20210312083604.3708890-5-linus.walleij@linaro.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210312083604.3708890-1-linus.walleij@linaro.org> References: <20210312083604.3708890-1-linus.walleij@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org There is a slew of defines, structs and enums and even a function call only relevant for the charging code that still lives in . Push it down to the "ab8500-bm.h" header in the power supply subsystem where it is actually used. Signed-off-by: Linus Walleij --- drivers/power/supply/ab8500-bm.h | 278 ++++++++++++++++++++++++++++++- include/linux/mfd/abx500.h | 276 ------------------------------ 2 files changed, 274 insertions(+), 280 deletions(-) -- 2.29.2 diff --git a/drivers/power/supply/ab8500-bm.h b/drivers/power/supply/ab8500-bm.h index a1b31c971a45..41c69a4f2a1f 100644 --- a/drivers/power/supply/ab8500-bm.h +++ b/drivers/power/supply/ab8500-bm.h @@ -4,7 +4,6 @@ #define _AB8500_CHARGER_H_ #include -#include /* * System control 2 register offsets. @@ -268,6 +267,277 @@ enum bup_vch_sel { #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 @@ -447,9 +717,6 @@ struct ab8500_bm_data { const struct ab8500_fg_parameters *fg_params; }; -struct ab8500_btemp; -struct ab8500_fg; - extern struct abx500_bm_data ab8500_bm_data; void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA); @@ -459,5 +726,8 @@ 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); #endif /* _AB8500_CHARGER_H_ */ diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h index 23040b6f1615..7f07cfe44753 100644 --- a/include/linux/mfd/abx500.h +++ b/include/linux/mfd/abx500.h @@ -28,282 +28,6 @@ struct abx500_init_settings { 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 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, -}; - -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,