static int gen_rtc_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct rtc_time wtime;
struct rtc_pll_info pll;
switch (cmd) {
case RTC_PLL_GET:
if (get_rtc_pll(&pll))
return -EINVAL;
else
return copy_to_user((void *)arg, &pll, sizeof pll) ? -EFAULT : 0;
case RTC_PLL_SET:
if (!capable(CAP_SYS_TIME))
return -EACCES;
if (copy_from_user(&pll, (struct rtc_pll_info*)arg,
sizeof(pll)))
return -EFAULT;
return set_rtc_pll(&pll);
case RTC_UIE_OFF: /* disable ints from RTC updates. */
gen_clear_rtc_irq_bit(RTC_UIE);
return 0;
case RTC_UIE_ON: /* enable ints for RTC updates. */
return gen_set_rtc_irq_bit(RTC_UIE);
case RTC_RD_TIME: /* Read the time/date from RTC */
/* this doesn't get week-day, who cares */
memset(&wtime, 0, sizeof(wtime));
get_rtc_time(&wtime);
return copy_to_user((void *)arg, &wtime, sizeof(wtime)) ? -EFAULT : 0;
case RTC_SET_TIME: /* Set the RTC */
{
int year;
unsigned char leap_yr;
if (!capable(CAP_SYS_TIME))
return -EACCES;
if (copy_from_user(&wtime, (struct rtc_time *)arg,
sizeof(wtime)))
return -EFAULT;
year = wtime.tm_year + 1900;
leap_yr = ((!(year % 4) && (year % 100)) ||
!(year % 400));
if ((wtime.tm_mon < 0 || wtime.tm_mon > 11) || (wtime.tm_mday < 1))
return -EINVAL;
if (wtime.tm_mday < 0 || wtime.tm_mday >
(days_in_mo[wtime.tm_mon] + ((wtime.tm_mon == 1) && leap_yr)))
return -EINVAL;
if (wtime.tm_hour < 0 || wtime.tm_hour >= 24 ||
wtime.tm_min < 0 || wtime.tm_min >= 60 ||
wtime.tm_sec < 0 || wtime.tm_sec >= 60)
return -EINVAL;
return set_rtc_time(&wtime);
}
}
return -EINVAL;
}
static int gen_rtc_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct rtc_time wtime;
struct rtc_pll_info pll;
void __user *argp = (void __user *)arg;
switch (cmd) {
#ifdef CONFIG_REALTEK_VENUS
case RTC_ALM_READ: /* Read the present alarm time */
{
/*
* This returns a struct rtc_time. Reading >= 0xc0
* means "don't care" or "match all". Only the tm_hour,
* tm_min, and tm_sec values are filled in.
*/
memset(&wtime, 0, sizeof(wtime));
get_rtc_alarm_time(&wtime);
return copy_to_user(argp, &wtime, sizeof(wtime)) ? -EFAULT : 0;
}
case RTC_ALM_SET: /* Store a time into the alarm */
{
int year;
unsigned char leap_yr;
if (copy_from_user(&wtime, argp, sizeof(wtime)))
return -EFAULT;
year = wtime.tm_year + 1900;
leap_yr = ((!(year % 4) && (year % 100)) ||
!(year % 400));
if ((wtime.tm_mon < 0 || wtime.tm_mon > 11) || (wtime.tm_mday < 1))
return -EINVAL;
if (wtime.tm_mday < 0 || wtime.tm_mday >
(days_in_mo[wtime.tm_mon] + ((wtime.tm_mon == 1) && leap_yr)))
return -EINVAL;
if (wtime.tm_hour < 0 || wtime.tm_hour >= 24 ||
wtime.tm_min < 0 || wtime.tm_min >= 60 ||
wtime.tm_sec < 0 || wtime.tm_sec >= 60)
return -EINVAL;
return set_rtc_alarm_time(&wtime);
}
#endif
case RTC_PLL_GET:
if (get_rtc_pll(&pll))
return -EINVAL;
else
return copy_to_user(argp, &pll, sizeof pll) ? -EFAULT : 0;
case RTC_PLL_SET:
if (!capable(CAP_SYS_TIME))
return -EACCES;
if (copy_from_user(&pll, argp, sizeof(pll)))
return -EFAULT;
return set_rtc_pll(&pll);
case RTC_UIE_OFF: /* disable ints from RTC updates. */
gen_clear_rtc_irq_bit(RTC_UIE);
return 0;
case RTC_UIE_ON: /* enable ints for RTC updates. */
return gen_set_rtc_irq_bit(RTC_UIE);
case RTC_RD_TIME: /* Read the time/date from RTC */
/* this doesn't get week-day, who cares */
memset(&wtime, 0, sizeof(wtime));
get_rtc_time(&wtime);
return copy_to_user(argp, &wtime, sizeof(wtime)) ? -EFAULT : 0;
case RTC_SET_TIME: /* Set the RTC */
{
int year;
unsigned char leap_yr;
if (!capable(CAP_SYS_TIME))
return -EACCES;
if (copy_from_user(&wtime, argp, sizeof(wtime)))
return -EFAULT;
year = wtime.tm_year + 1900;
leap_yr = ((!(year % 4) && (year % 100)) ||
!(year % 400));
if ((wtime.tm_mon < 0 || wtime.tm_mon > 11) || (wtime.tm_mday < 1))
return -EINVAL;
if (wtime.tm_mday < 0 || wtime.tm_mday >
(days_in_mo[wtime.tm_mon] + ((wtime.tm_mon == 1) && leap_yr)))
return -EINVAL;
if (wtime.tm_hour < 0 || wtime.tm_hour >= 24 ||
wtime.tm_min < 0 || wtime.tm_min >= 60 ||
wtime.tm_sec < 0 || wtime.tm_sec >= 60)
return -EINVAL;
return set_rtc_time(&wtime);
}
}
return -EINVAL;
}
