static long alarm_do_ioctl(struct file *file, unsigned int cmd,
struct timespec *ts, struct rtc_wkalrm *alm)
{
int rv = 0;
unsigned long flags;
enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd);
if (alarm_type >= ANDROID_ALARM_TYPE_COUNT &&
alarm_type != ANDROID_ALARM_POWER_ON &&
alarm_type != ANDROID_ALARM_POWER_ON_LOGO) {
return -EINVAL;
}
if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0)
&& ANDROID_ALARM_BASE_CMD(cmd)!= ANDROID_ALARM_SET_IPO(0)
&& ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_POWER_ON_IPO) {
if ((file->f_flags & O_ACCMODE) == O_RDONLY)
return -EPERM;
if (file->private_data == NULL &&
cmd != ANDROID_ALARM_SET_RTC) {
spin_lock_irqsave(&alarm_slock, flags);
if (alarm_opened) {
spin_unlock_irqrestore(&alarm_slock, flags);
return -EBUSY;
}
alarm_opened = 1;
file->private_data = (void *)1;
spin_unlock_irqrestore(&alarm_slock, flags);
}
}
switch (ANDROID_ALARM_BASE_CMD(cmd)) {
case ANDROID_ALARM_CLEAR(0):
alarm_clear(alarm_type, ts);
break;
case ANDROID_ALARM_SET(0):
alarm_set(alarm_type, ts);
break;
case ANDROID_ALARM_SET_AND_WAIT(0):
alarm_set(alarm_type, ts);
/* fall though */
case ANDROID_ALARM_WAIT:
rv = alarm_wait();
break;
case ANDROID_ALARM_SET_IPO(0):
alarm_set(alarm_type, ts);
break;
case ANDROID_ALARM_SET_AND_WAIT_IPO(0):
alarm_set(alarm_type, ts);
/* fall though */
case ANDROID_ALARM_WAIT_IPO:
rv = alarm_wait();
break;
case ANDROID_ALARM_SET_RTC:
rv = alarm_set_rtc(ts);
break;
case ANDROID_ALARM_GET_TIME(0):
rv = alarm_get_time(alarm_type, ts);
break;
case ANDROID_ALARM_GET_POWER_ON:
alarm_get_power_on(alm);
break;
case ANDROID_ALARM_GET_POWER_ON_IPO:
alarm_get_power_on(alm);
break;
default:
rv = -EINVAL;
}
return rv;
}
static long alarm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int rv = 0;
unsigned long flags;
struct timespec new_alarm_time;
struct timespec new_rtc_time;
struct timespec tmp_time;
enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd);
uint32_t alarm_type_mask = 1U << alarm_type;
if (alarm_type >= ANDROID_ALARM_TYPE_COUNT)
return -EINVAL;
if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0)) {
if ((file->f_flags & O_ACCMODE) == O_RDONLY)
return -EPERM;
if (file->private_data == NULL &&
cmd != ANDROID_ALARM_SET_RTC) {
spin_lock_irqsave(&alarm_slock, flags);
if (alarm_opened) {
spin_unlock_irqrestore(&alarm_slock, flags);
return -EBUSY;
}
alarm_opened = 1;
file->private_data = (void *)1;
spin_unlock_irqrestore(&alarm_slock, flags);
}
}
switch (ANDROID_ALARM_BASE_CMD(cmd)) {
case ANDROID_ALARM_CLEAR(0):
mutex_lock(&alarm_mutex);
spin_lock_irqsave(&alarm_slock, flags);
pr_alarm(IO, "alarm %d clear\n", alarm_type);
alarm_try_to_cancel(&alarms[alarm_type]);
if (alarm_pending) {
alarm_pending &= ~alarm_type_mask;
if (!alarm_pending && !wait_pending)
wake_unlock(&alarm_wake_lock);
}
alarm_enabled &= ~alarm_type_mask;
spin_unlock_irqrestore(&alarm_slock, flags);
if (alarm_type == ANDROID_ALARM_RTC_POWEROFF_WAKEUP)
if (!copy_from_user(&new_alarm_time,
(void __user *)arg, sizeof(new_alarm_time)))
set_power_on_alarm(new_alarm_time.tv_sec, 0);
mutex_unlock(&alarm_mutex);
break;
case ANDROID_ALARM_SET_OLD:
case ANDROID_ALARM_SET_AND_WAIT_OLD:
if (get_user(new_alarm_time.tv_sec, (int __user *)arg)) {
rv = -EFAULT;
goto err1;
}
new_alarm_time.tv_nsec = 0;
goto from_old_alarm_set;
case ANDROID_ALARM_SET_AND_WAIT(0):
case ANDROID_ALARM_SET(0):
if (copy_from_user(&new_alarm_time, (void __user *)arg,
sizeof(new_alarm_time))) {
rv = -EFAULT;
goto err1;
}
from_old_alarm_set:
mutex_lock(&alarm_mutex);
spin_lock_irqsave(&alarm_slock, flags);
pr_alarm(IO, "alarm %d set %ld.%09ld\n", alarm_type,
new_alarm_time.tv_sec, new_alarm_time.tv_nsec);
alarm_enabled |= alarm_type_mask;
alarm_start_range(&alarms[alarm_type],
timespec_to_ktime(new_alarm_time),
timespec_to_ktime(new_alarm_time));
spin_unlock_irqrestore(&alarm_slock, flags);
if ((alarm_type == ANDROID_ALARM_RTC_POWEROFF_WAKEUP) &&
(ANDROID_ALARM_BASE_CMD(cmd) ==
ANDROID_ALARM_SET(0)))
set_power_on_alarm(new_alarm_time.tv_sec, 1);
mutex_unlock(&alarm_mutex);
if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_SET_AND_WAIT(0)
&& cmd != ANDROID_ALARM_SET_AND_WAIT_OLD)
break;
/* fall though */
case ANDROID_ALARM_WAIT:
spin_lock_irqsave(&alarm_slock, flags);
pr_alarm(IO, "alarm wait\n");
if (!alarm_pending && wait_pending) {
wake_unlock(&alarm_wake_lock);
wait_pending = 0;
}
spin_unlock_irqrestore(&alarm_slock, flags);
rv = wait_event_interruptible(alarm_wait_queue, alarm_pending);
if (rv)
goto err1;
spin_lock_irqsave(&alarm_slock, flags);
rv = alarm_pending;
wait_pending = 1;
alarm_pending = 0;
spin_unlock_irqrestore(&alarm_slock, flags);
break;
case ANDROID_ALARM_SET_RTC:
if (copy_from_user(&new_rtc_time, (void __user *)arg,
sizeof(new_rtc_time))) {
rv = -EFAULT;
goto err1;
}
rv = alarm_set_rtc(new_rtc_time);
spin_lock_irqsave(&alarm_slock, flags);
alarm_pending |= ANDROID_ALARM_TIME_CHANGE_MASK;
wake_up(&alarm_wait_queue);
spin_unlock_irqrestore(&alarm_slock, flags);
{ // jeffery_hu added to get correct time for last shutdown log +++++++++++
if(!asus_rtc_set)
{
asus_rtc_set = 1;
}
}// jeffery_hu added to get correct time for last shutdown log ------------
if (rv < 0)
goto err1;
break;
case ANDROID_ALARM_GET_TIME(0):
switch (alarm_type) {
case ANDROID_ALARM_RTC_WAKEUP:
case ANDROID_ALARM_RTC:
case ANDROID_ALARM_RTC_POWEROFF_WAKEUP:
getnstimeofday(&tmp_time);
break;
case ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP:
case ANDROID_ALARM_ELAPSED_REALTIME:
tmp_time =
ktime_to_timespec(alarm_get_elapsed_realtime());
break;
case ANDROID_ALARM_TYPE_COUNT:
case ANDROID_ALARM_SYSTEMTIME:
ktime_get_ts(&tmp_time);
break;
}
if (copy_to_user((void __user *)arg, &tmp_time,
sizeof(tmp_time))) {
rv = -EFAULT;
goto err1;
}
break;
default:
rv = -EINVAL;
goto err1;
}
err1:
return rv;
}
static long alarm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int rv = 0;
unsigned long flags;
struct timespec new_alarm_time;
struct timespec new_rtc_time;
struct timespec tmp_time;
struct rtc_time new_rtc_tm;
struct rtc_device *rtc_dev;
enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd);
uint32_t alarm_type_mask = 1U << alarm_type;
if (alarm_type >= ANDROID_ALARM_TYPE_COUNT)
return -EINVAL;
#ifdef CONFIG_ANDROID_RTC_CHANGE_WAIT
if( ANDROID_ALARM_BASE_CMD(cmd)!=ANDROID_ALARM_GET_TIME(0) &&
ANDROID_ALARM_BASE_CMD(cmd)!=ANDROID_RTC_CHANGE_WAIT ){
#else
if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0)) {
#endif
if ((file->f_flags & O_ACCMODE) == O_RDONLY)
return -EPERM;
if (file->private_data == NULL &&
cmd != ANDROID_ALARM_SET_RTC) {
spin_lock_irqsave(&alarm_slock, flags);
if (alarm_opened) {
spin_unlock_irqrestore(&alarm_slock, flags);
return -EBUSY;
}
alarm_opened = 1;
file->private_data = (void *)1;
spin_unlock_irqrestore(&alarm_slock, flags);
}
}
switch (ANDROID_ALARM_BASE_CMD(cmd)) {
case ANDROID_ALARM_CLEAR(0):
spin_lock_irqsave(&alarm_slock, flags);
pr_alarm(IO, "alarm %d clear\n", alarm_type);
devalarm_try_to_cancel(&alarms[alarm_type]);
if (alarm_pending) {
alarm_pending &= ~alarm_type_mask;
if (!alarm_pending && !wait_pending)
wake_unlock(&alarm_wake_lock);
}
alarm_enabled &= ~alarm_type_mask;
spin_unlock_irqrestore(&alarm_slock, flags);
break;
case ANDROID_ALARM_SET_OLD:
case ANDROID_ALARM_SET_AND_WAIT_OLD:
if (get_user(new_alarm_time.tv_sec, (int __user *)arg)) {
rv = -EFAULT;
goto err1;
}
new_alarm_time.tv_nsec = 0;
goto from_old_alarm_set;
case ANDROID_ALARM_SET_AND_WAIT(0):
case ANDROID_ALARM_SET(0):
if (copy_from_user(&new_alarm_time, (void __user *)arg,
sizeof(new_alarm_time))) {
rv = -EFAULT;
goto err1;
}
from_old_alarm_set:
spin_lock_irqsave(&alarm_slock, flags);
pr_alarm(IO, "alarm %d set %ld.%09ld\n", alarm_type,
new_alarm_time.tv_sec, new_alarm_time.tv_nsec);
alarm_enabled |= alarm_type_mask;
devalarm_start(&alarms[alarm_type],
timespec_to_ktime(new_alarm_time));
spin_unlock_irqrestore(&alarm_slock, flags);
if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_SET_AND_WAIT(0)
&& cmd != ANDROID_ALARM_SET_AND_WAIT_OLD)
break;
case ANDROID_ALARM_WAIT:
spin_lock_irqsave(&alarm_slock, flags);
pr_alarm(IO, "alarm wait\n");
if (!alarm_pending && wait_pending) {
wake_unlock(&alarm_wake_lock);
wait_pending = 0;
}
spin_unlock_irqrestore(&alarm_slock, flags);
rv = wait_event_interruptible(alarm_wait_queue, alarm_pending);
if (rv)
goto err1;
spin_lock_irqsave(&alarm_slock, flags);
rv = alarm_pending;
wait_pending = 1;
alarm_pending = 0;
spin_unlock_irqrestore(&alarm_slock, flags);
break;
#ifdef CONFIG_ANDROID_RTC_CHANGE_WAIT
case ANDROID_RTC_CHANGE_WAIT:
rv = wait_event_interruptible(rtc_change_wait_queue, rtc_changed);
spin_lock_irqsave(&alarm_slock, flags);
rtc_changed = 0;
spin_unlock_irqrestore(&alarm_slock, flags);
if (rv)
goto err1;
break;
#endif
case ANDROID_ALARM_SET_RTC:
if (copy_from_user(&new_rtc_time, (void __user *)arg,
sizeof(new_rtc_time))) {
rv = -EFAULT;
goto err1;
}
rtc_time_to_tm(new_rtc_time.tv_sec, &new_rtc_tm);
rtc_dev = alarmtimer_get_rtcdev();
rv = do_settimeofday(&new_rtc_time);
if (rv < 0)
goto err1;
if (rtc_dev)
rv = rtc_set_time(rtc_dev, &new_rtc_tm);
spin_lock_irqsave(&alarm_slock, flags);
alarm_pending |= ANDROID_ALARM_TIME_CHANGE_MASK;
wake_up(&alarm_wait_queue);
#ifdef CONFIG_ANDROID_RTC_CHANGE_WAIT
rtc_changed = 1;
wake_up(&rtc_change_wait_queue);
#endif
spin_unlock_irqrestore(&alarm_slock, flags);
if (rv < 0)
goto err1;
break;
case ANDROID_ALARM_GET_TIME(0):
switch (alarm_type) {
case ANDROID_ALARM_RTC_WAKEUP:
case ANDROID_ALARM_RTC:
case ANDROID_ALARM_POWER_OFF_WAKEUP:
getnstimeofday(&tmp_time);
break;
case ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP:
case ANDROID_ALARM_ELAPSED_REALTIME:
get_monotonic_boottime(&tmp_time);
break;
case ANDROID_ALARM_TYPE_COUNT:
case ANDROID_ALARM_SYSTEMTIME:
ktime_get_ts(&tmp_time);
break;
}
if (copy_to_user((void __user *)arg, &tmp_time,
sizeof(tmp_time))) {
rv = -EFAULT;
goto err1;
}
break;
default:
rv = -EINVAL;
goto err1;
}
err1:
return rv;
}
static int alarm_open(struct inode *inode, struct file *file)
{
file->private_data = NULL;
return 0;
}
