| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2020 MediaTek Inc. |
| */ |
| |
| #ifndef _CHARGER_COOLING_H |
| #define _CHARGER_COOLING_H |
| |
| #include <linux/thermal.h> |
| |
| /*=========================================================== |
| * Macro Definitions |
| *=========================================================== |
| */ |
| #define CHARGER_COOLING_UNLIMITED_STATE (0) |
| #define CHARGER_STATE_NUM 9 |
| #define MAX_CHARGER_COOLER_NAME_LEN (20) |
| |
| /*================================================== |
| * Type Definitions |
| *================================================== |
| */ |
| enum charger_type { |
| SINGLE_CHARGER, |
| DUAL_CHARGER, |
| NUM_CHARGER_TYPE |
| }; |
| |
| /** |
| * struct charger_cooling_device - data for charger cooling device |
| * @name: naming string for this cooling device |
| * @target_state: target cooling state which is set in set_cur_state() |
| * callback. |
| * @max_state: maximum state supported for this cooling device |
| * @cdev: thermal_cooling_device pointer to keep track of the |
| * registered cooling device. |
| * @throttle: callback function to handle throttle request |
| * @dev: device node pointer |
| * @chg_psy: master charger power supply handle |
| * @s_chg_psy: slave charger power supply handle |
| */ |
| struct charger_cooling_device { |
| char name[MAX_CHARGER_COOLER_NAME_LEN]; |
| unsigned long target_state; |
| unsigned long max_state; |
| struct thermal_cooling_device *cdev; |
| int (*throttle)(struct charger_cooling_device *charger_cdev, unsigned long state); |
| struct device *dev; |
| enum charger_type type; |
| struct power_supply *chg_psy; |
| struct power_supply *s_chg_psy; |
| const struct charger_cooling_platform_data *pdata; |
| }; |
| |
| /** |
| * struct charger_cooling_platform_data - charger cooler platform dependent data |
| * @state_to_charger_lv: callback function to transfer cooling state |
| * to chargering current LV |
| * @max_lv: max cooler LV supported by charger |
| */ |
| struct charger_cooling_platform_data { |
| int (*state_to_charger_limit)(struct charger_cooling_device *chg); |
| }; |
| #endif |
