128 lines
5.2 KiB
C
128 lines
5.2 KiB
C
/*
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* battery-charger-gauge-comm.h -- Communication APIS between battery charger
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* and battery gauge driver.
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*
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* Copyright (c) 2013-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* Author: Laxman Dewangan <ldewangan@nvidia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
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* whether express or implied; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307, USA
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*/
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#ifndef _LINUX_POWER_BATTERY_CHARGER_GAUGE_COMM_H
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#define _LINUX_POWER_BATTERY_CHARGER_GAUGE_COMM_H
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#define BATTERY_SNAPSHOT_INTERVAL 2*HZ
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enum battery_charger_status {
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BATTERY_DISCHARGING,
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BATTERY_CHARGING,
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BATTERY_CHARGING_DONE,
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};
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struct battery_gauge_dev;
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struct battery_charger_dev;
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struct battery_gauge_ops {
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int (*update_battery_status)(struct battery_gauge_dev *bg_device,
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enum battery_charger_status status);
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int (*set_current_broadcast) (struct battery_gauge_dev *bg_device);
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int (*get_battery_temp)(void);
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int (*get_battery_soc)(struct battery_gauge_dev *bg_device);
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int (*get_battery_voltage)(struct battery_gauge_dev *bg_device);
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int (*get_battery_current)(struct battery_gauge_dev *bg_device);
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int (*get_charging_status)(struct battery_gauge_dev *bg_device);
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};
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struct battery_charging_ops {
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int (*get_charging_status)(struct battery_charger_dev *bc_dev);
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int (*restart_charging)(struct battery_charger_dev *bc_dev);
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int (*thermal_configure)(struct battery_charger_dev *bct_dev,
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int temp, bool enable_charger, bool enable_charg_half_current,
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int battery_voltage);
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int (*charge_term_configure)(struct battery_charger_dev *bc_dev,
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int fc_state);
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int (*input_voltage_configure)(struct battery_charger_dev *bc_dev,
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int soc);
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int (*get_input_current_limit)(struct battery_charger_dev *bc_dev);
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};
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struct battery_charger_info {
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const char *tz_name;
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int cell_id;
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int polling_time_sec;
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bool enable_thermal_monitor;
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struct battery_charging_ops *bc_ops;
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};
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struct battery_gauge_info {
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int cell_id;
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const char *tz_name;
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const char *current_channel_name;
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const char *input_power_channel_name;
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struct battery_gauge_ops *bg_ops;
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};
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struct battery_charger_dev *battery_charger_register(struct device *dev,
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struct battery_charger_info *bci, void *drv_data);
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void battery_charger_unregister(struct battery_charger_dev *bc_dev);
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int battery_charging_status_update(struct battery_charger_dev *bc_dev,
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enum battery_charger_status status);
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int battery_charging_restart(struct battery_charger_dev *bc_dev, int after_sec);
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void battery_charging_restart_cancel(struct battery_charger_dev *bc_dev);
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int battery_charger_thermal_start_monitoring(
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struct battery_charger_dev *bc_dev);
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int battery_charger_thermal_stop_monitoring(
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struct battery_charger_dev *bc_dev);
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int battery_charger_acquire_wake_lock(struct battery_charger_dev *bc_dev);
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int battery_charger_release_wake_lock(struct battery_charger_dev *bc_dev);
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int battery_charging_wakeup(struct battery_charger_dev *bc_dev, int after_sec);
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int battery_charging_system_reset_after(struct battery_charger_dev *bc_dev,
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int after_sec);
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int battery_charging_system_power_on_usb_event(
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struct battery_charger_dev *bc_dev);
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int battery_gauge_get_battery_temperature(struct battery_gauge_dev *bg_dev,
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int *temp);
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int battery_gauge_get_battery_current(struct battery_gauge_dev *bg_dev,
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int *current_ma);
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int battery_charger_set_current_broadcast(struct battery_charger_dev *bc_dev);
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struct battery_gauge_dev *battery_gauge_register(struct device *dev,
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struct battery_gauge_info *bgi, void *drv_data);
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void battery_gauge_unregister(struct battery_gauge_dev *bg_dev);
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void *battery_charger_get_drvdata(struct battery_charger_dev *bc_dev);
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void battery_charger_set_drvdata(struct battery_charger_dev *bc_dev,
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void *data);
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void *battery_gauge_get_drvdata(struct battery_gauge_dev *bg_dev);
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void battery_gauge_set_drvdata(struct battery_gauge_dev *bg_dev, void *data);
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int battery_gauge_get_scaled_soc(struct battery_gauge_dev *bg_dev,
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int actual_soc_semi, int thresod_soc);
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int battery_gauge_get_adjusted_soc(struct battery_gauge_dev *bg_dev,
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int min_soc, int max_soc, int actual_soc_semi);
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int battery_gauge_fc_state(struct battery_gauge_dev *bg_dev,
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int fullcharge_state);
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int battery_gauge_report_battery_soc(struct battery_gauge_dev *bg_dev,
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int battery_soc);
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int battery_gauge_get_battery_soc(struct battery_charger_dev *bc_dev);
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int battery_gauge_get_battery_voltage(struct battery_charger_dev *bc_dev);
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int battery_gauge_get_charging_current(struct battery_charger_dev *bc_dev);
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int battery_gauge_get_input_current_limit(struct battery_gauge_dev *bg_dev);
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int battery_gauge_get_input_power(struct battery_gauge_dev *bg_dev,
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int *power_mw);
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int battery_gauge_get_charging_status(struct battery_charger_dev *bc_dev);
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#endif /* _LINUX_POWER_BATTERY_CHARGER_GAUGE_COMM_H */
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