blob: 8c7a031e1f43e5c9376c0e68e126e4beba6d9fcf [file] [log] [blame]
/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <kernel/timer.h>
#include <kernel/thread.h>
#include <pm_vib.h>
#include <vibrator.h>
#define CHECK_VIB_TIMER_FREQUENCY 50
/*
* USE_VIB_THREAD is a micro that use a thread to turn off the vibrator,
* USE_VIB_THREAD should be define when use ldo to turn on/off vibrator.
* Note: define USE_VIB_THREAD will reduce the accuracy of vib time.
*/
#if !USE_VIB_THREAD
static struct timer vib_timer;
#else
static uint32_t vib_time;
#endif
static uint32_t vib_timeout = 1;
/* Function to turn on vibrator */
void vib_turn_on()
{
pm_vib_turn_on();
}
/* Function to turn off vibrator */
void vib_turn_off()
{
pm_vib_turn_off();
}
#if !USE_VIB_THREAD
/* Function to turn off vibrator when the vib_timer is expired. */
static enum handler_return vib_timer_func(struct timer *v_timer, time_t t, void *arg)
{
timer_cancel(&vib_timer);
if(!vib_timeout){
vib_turn_off();
vib_timeout = 1;
}
return INT_RESCHEDULE;
}
#else
int vibrator_thread(void *arg)
{
while((--vib_time)){
thread_sleep(CHECK_VIB_TIMER_FREQUENCY);
}
if(!vib_timeout){
vib_turn_off();
vib_timeout = 1;
}
return 0;
}
#endif
/*
* Function to turn on vibrator.
* vibrate_time - the time of phone vibrate.
*/
void vib_timed_turn_on(const uint32_t vibrate_time)
{
#if USE_VIB_THREAD
thread_t *thr;
#endif
if(!vib_timeout){
dprintf(CRITICAL,"vibrator already turn on\n");
return;
}
vib_turn_on();
vib_timeout = 0;
#if !USE_VIB_THREAD
timer_initialize(&vib_timer);
timer_set_oneshot(&vib_timer, vibrate_time, vib_timer_func, NULL);
#else
vib_time = (vibrate_time/CHECK_VIB_TIMER_FREQUENCY)+1;
thr = thread_create("vibrator_thread", &vibrator_thread,
NULL, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE);
if (!thr)
{
panic("failed to create vibrator thread\n");
}
thread_resume(thr);
#endif
}
/* Wait for vibrator timer expired */
void wait_vib_timeout(void)
{
while (!vib_timeout) {
/* every 50ms to check if the vibrator timer is timeout*/
thread_sleep(CHECK_VIB_TIMER_FREQUENCY);
}
}
void turn_off_vib_early(void)
{
if(vib_timeout) {
return;
}
vib_turn_off();
vib_timeout = 1;
}