blob: 6f2a1aa2f9b12083dbebc8f4e1a3f917ecc688e0 [file] [log] [blame]
/* Copyright (c) 2012, 2014, The Linux Foundation. All rights reserved.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
#include <linux/hrtimer.h>
struct event_timer_info;
* add_event_timer() : Add a wakeup event. Intended to be called
* by clients once. Returns a handle to be used
* for future transactions.
* @irq : Interrupt number to track affinity.
* @function : The callback function will be called when event
* timer expires.
* @data : Callback data provided by client.
struct event_timer_info *add_event_timer(uint32_t irq,
void (*function)(void *), void *data);
/** activate_event_timer() : Set the expiration time for an event in absolute
* ktime. This is a oneshot event timer, clients
* should call this again to set another expiration.
* @event : Event handle.
* @event_time : Event time in absolute ktime.
void activate_event_timer(struct event_timer_info *event, ktime_t event_time);
* deactivate_event_timer() : Deactivate an event timer.
* @event: event handle.
void deactivate_event_timer(struct event_timer_info *event);
* destroy_event_timer() : Free the event info data structure allocated during
* add_event_timer().
* @event: event handle.
void destroy_event_timer(struct event_timer_info *event);
* get_next_event_timer() : Get the next wakeup event.
* returns a ktime value of the next
* expiring event.
ktime_t get_next_event_time(int cpu);
static inline void *add_event_timer(uint32_t irq, void (*function)(void *),
void *data)
return NULL;
static inline void activate_event_timer(void *event, ktime_t event_time) {}
static inline void deactivate_event_timer(void *event) {}
static inline void destroy_event_timer(void *event) {}
static inline ktime_t get_next_event_time(int cpu)
return ns_to_ktime(0);