89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
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* system-pmic.h -- Interface to access system PMIC functionality for
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* system power off/reset.
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*
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* Copyright (c) 2013-2017, 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_RESET_SYSTEM_PMIC_H__
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#define __LINUX_POWER_RESET_SYSTEM_PMIC_H__
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struct system_pmic_dev;
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enum system_pmic_power_on_event {
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SYSTEM_PMIC_USB_VBUS_INSERTION,
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SYSTEM_PMIC_RTC_ALARM,
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SYSTEM_PMIC_MAX_POWER_ON_EVENT,
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};
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struct system_pmic_config {
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bool allow_power_reset;
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bool allow_power_off;
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bool avoid_power_off_command;
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};
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struct system_pmic_rtc_data {
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int power_on_after_sec;
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};
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struct system_pmic_ops {
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int (*configure_power_on)(void *pmic_data,
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enum system_pmic_power_on_event event, void *event_data);
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void (*power_reset)(void *pmic_data);
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void (*power_off)(void *pmic_data);
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void (*prepare_power_off)(void *pmic_data);
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};
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typedef void (*power_handler_t)(void);
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#if IS_ENABLED(CONFIG_SYSTEM_PMIC)
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void set_system_pmic_post_power_off_handler(power_handler_t);
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power_handler_t get_system_pmic_post_power_off_handler(void);
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void set_soc_specific_power_off(power_handler_t);
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power_handler_t get_soc_specific_power_off(void);
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#else
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static inline void set_system_pmic_post_power_off_handler(power_handler_t func)
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{
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}
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static inline power_handler_t get_system_pmic_post_power_off_handler(void)
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{
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return NULL;
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}
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static inline void set_soc_specific_power_off(power_handler_t func)
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{
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}
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static inline power_handler_t get_soc_specific_power_off(void)
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{
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return NULL;
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}
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#endif
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extern struct system_pmic_dev *system_pmic_register(struct device *dev,
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struct system_pmic_ops *ops, struct system_pmic_config *config,
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void *drv_data);
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extern void system_pmic_unregister(struct system_pmic_dev *pmic_dev);
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extern int system_pmic_set_power_on_event(enum system_pmic_power_on_event event,
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void *data);
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#endif /* __LINUX_POWER_RESET_SYSTEM_PMIC_H__ */
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