diff options
Diffstat (limited to 'include/linux/power/charger-manager.h')
| -rw-r--r-- | include/linux/power/charger-manager.h | 122 |
1 files changed, 40 insertions, 82 deletions
diff --git a/include/linux/power/charger-manager.h b/include/linux/power/charger-manager.h index 0e86840eb603..45e228b353ea 100644 --- a/include/linux/power/charger-manager.h +++ b/include/linux/power/charger-manager.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2011 Samsung Electronics Co., Ltd. * MyungJoo.Ham <myungjoo.ham@samsung.com> @@ -7,9 +8,6 @@ * monitor charging even in the context of suspend-to-RAM with * an interface combining the chargers. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. **/ #ifndef _CHARGER_MANAGER_H @@ -17,6 +15,7 @@ #include <linux/power_supply.h> #include <linux/extcon.h> +#include <linux/alarmtimer.h> enum data_source { CM_BATTERY_PRESENT, @@ -32,43 +31,16 @@ enum polling_modes { CM_POLL_CHARGING_ONLY, }; -enum cm_event_types { - CM_EVENT_UNKNOWN = 0, - CM_EVENT_BATT_FULL, - CM_EVENT_BATT_IN, - CM_EVENT_BATT_OUT, - CM_EVENT_EXT_PWR_IN_OUT, - CM_EVENT_CHG_START_STOP, - CM_EVENT_OTHERS, -}; - -/** - * struct charger_global_desc - * @rtc_name: the name of RTC used to wake up the system from suspend. - * @rtc_only_wakeup: - * If the system is woken up by waekup-sources other than the RTC or - * callbacks, Charger Manager should recognize with - * rtc_only_wakeup() returning false. - * If the RTC given to CM is the only wakeup reason, - * rtc_only_wakeup should return true. - * @assume_timer_stops_in_suspend: - * Assume that the jiffy timer stops in suspend-to-RAM. - * When enabled, CM does not rely on jiffies value in - * suspend_again and assumes that jiffies value does not - * change during suspend. - */ -struct charger_global_desc { - char *rtc_name; - - bool (*rtc_only_wakeup)(void); - - bool assume_timer_stops_in_suspend; +enum cm_batt_temp { + CM_BATT_OK = 0, + CM_BATT_OVERHEAT, + CM_BATT_COLD, }; /** * struct charger_cable * @extcon_name: the name of extcon device. - * @name: the name of charger cable(external connector). + * @name: the name of the cable connector * @extcon_dev: the extcon device. * @wq: the workqueue to control charger according to the state of * charger cable. If charger cable is attached, enable charger. @@ -84,9 +56,10 @@ struct charger_global_desc { struct charger_cable { const char *extcon_name; const char *name; + struct extcon_dev *extcon_dev; + u64 extcon_type; - /* The charger-manager use Exton framework*/ - struct extcon_specific_cable_nb extcon_dev; + /* The charger-manager use Extcon framework */ struct work_struct wq; struct notifier_block nb; @@ -114,7 +87,7 @@ struct charger_cable { * the charger will be maintained with disabled state. * @cables: * the array of charger cables to enable/disable charger - * and set current limit according to constratint data of + * and set current limit according to constraint data of * struct charger_cable if only charger cable included * in the array of charger cables is attached/detached. * @num_cables: the number of charger cables. @@ -139,7 +112,7 @@ struct charger_regulator { struct charger_cable *cables; int num_cables; - struct attribute_group attr_g; + struct attribute_group attr_grp; struct device_attribute attr_name; struct device_attribute attr_state; struct device_attribute attr_externally_control; @@ -153,11 +126,10 @@ struct charger_regulator { * @psy_name: the name of power-supply-class for charger manager * @polling_mode: * Determine which polling mode will be used - * @fullbatt_vchkdrop_ms: * @fullbatt_vchkdrop_uV: * Check voltage drop after the battery is fully charged. - * If it has dropped more than fullbatt_vchkdrop_uV after - * fullbatt_vchkdrop_ms, CM will restart charging. + * If it has dropped more than fullbatt_vchkdrop_uV + * CM will restart charging. * @fullbatt_uV: voltage in microvolt * If VBATT >= fullbatt_uV, it is assumed to be full. * @fullbatt_soc: state of Charge in % @@ -168,16 +140,15 @@ struct charger_regulator { * @polling_interval_ms: interval in millisecond at which * charger manager will monitor battery health * @battery_present: - * Specify where information for existance of battery can be obtained + * Specify where information for existence of battery can be obtained * @psy_charger_stat: the names of power-supply for chargers * @num_charger_regulator: the number of entries in charger_regulators * @charger_regulators: array of charger regulators * @psy_fuel_gauge: the name of power-supply for fuel gauge - * @temperature_out_of_range: - * Determine whether the status is overheat or cold or normal. - * return_value > 0: overheat - * return_value == 0: normal - * return_value < 0: cold + * @thermal_zone : the name of thermal zone for battery + * @temp_min : Minimum battery temperature for charging. + * @temp_max : Maximum battery temperature for charging. + * @temp_diff : Temperature difference to restart charging. * @measure_battery_temp: * true: measure battery temperature * false: measure ambient temperature @@ -190,12 +161,11 @@ struct charger_regulator { * max_duration_ms', cm start charging. */ struct charger_desc { - char *psy_name; + const char *psy_name; enum polling_modes polling_mode; unsigned int polling_interval_ms; - unsigned int fullbatt_vchkdrop_ms; unsigned int fullbatt_vchkdrop_uV; unsigned int fullbatt_uV; unsigned int fullbatt_soc; @@ -203,18 +173,24 @@ struct charger_desc { enum data_source battery_present; - char **psy_charger_stat; + const char **psy_charger_stat; int num_charger_regulators; struct charger_regulator *charger_regulators; + const struct attribute_group **sysfs_groups; + + const char *psy_fuel_gauge; - char *psy_fuel_gauge; + const char *thermal_zone; + + int temp_min; + int temp_max; + int temp_diff; - int (*temperature_out_of_range)(int *mC); bool measure_battery_temp; - u64 charging_max_duration_ms; - u64 discharging_max_duration_ms; + u32 charging_max_duration_ms; + u32 discharging_max_duration_ms; }; #define PSY_NAME_MAX 30 @@ -226,13 +202,10 @@ struct charger_desc { * @desc: instance of charger_desc * @fuel_gauge: power_supply for fuel gauge * @charger_stat: array of power_supply for chargers + * @tzd_batt : thermal zone device for battery * @charger_enabled: the state of charger - * @fullbatt_vchk_jiffies_at: - * jiffies at the time full battery check will occur. - * @fullbatt_vchk_work: work queue for full battery check * @emergency_stop: * When setting true, stop charging - * @last_temp_mC: the measured temperature in milli-Celsius * @psy_name_buf: the name of power-supply-class for charger manager * @charger_psy: power_supply for charger manager * @status_save_ext_pwr_inserted: @@ -241,43 +214,28 @@ struct charger_desc { * saved status of battery before entering suspend-to-RAM * @charging_start_time: saved start time of enabling charging * @charging_end_time: saved end time of disabling charging + * @battery_status: Current battery status */ struct charger_manager { struct list_head entry; struct device *dev; struct charger_desc *desc; - struct power_supply *fuel_gauge; - struct power_supply **charger_stat; - +#ifdef CONFIG_THERMAL + struct thermal_zone_device *tzd_batt; +#endif bool charger_enabled; - unsigned long fullbatt_vchk_jiffies_at; - struct delayed_work fullbatt_vchk_work; - int emergency_stop; - int last_temp_mC; char psy_name_buf[PSY_NAME_MAX + 1]; - struct power_supply charger_psy; - - bool status_save_ext_pwr_inserted; - bool status_save_batt; + struct power_supply_desc charger_psy_desc; + struct power_supply *charger_psy; u64 charging_start_time; u64 charging_end_time; + + int battery_status; }; -#ifdef CONFIG_CHARGER_MANAGER -extern int setup_charger_manager(struct charger_global_desc *gd); -extern bool cm_suspend_again(void); -extern void cm_notify_event(struct power_supply *psy, - enum cm_event_types type, char *msg); -#else -static inline int setup_charger_manager(struct charger_global_desc *gd) -{ return 0; } -static inline bool cm_suspend_again(void) { return false; } -static inline void cm_notify_event(struct power_supply *psy, - enum cm_event_types type, char *msg) { } -#endif #endif /* _CHARGER_MANAGER_H */ |