static int tegra_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
{
struct tegra_rtc_info *info = dev_get_drvdata(dev);
unsigned long sec;
if (alarm->enabled)
rtc_tm_to_time(&alarm->time, &sec);
else
sec = 0;
tegra_rtc_wait_while_busy(dev);
writel(sec, info->rtc_base + TEGRA_RTC_REG_SECONDS_ALARM0);
dev_vdbg(dev, "alarm read back as %d\n",
readl(info->rtc_base + TEGRA_RTC_REG_SECONDS_ALARM0));
/* if successfully written and alarm is enabled ... */
if (sec) {
tegra_rtc_alarm_irq_enable(dev, 1);
dev_vdbg(dev, "alarm set as %lu. %d/%d/%d %d:%02u:%02u\n",
sec,
alarm->time.tm_mon+1,
alarm->time.tm_mday,
alarm->time.tm_year+1900,
alarm->time.tm_hour,
alarm->time.tm_min,
alarm->time.tm_sec);
} else {
/* disable alarm if 0 or write error. */
dev_vdbg(dev, "alarm disabled\n");
tegra_rtc_alarm_irq_enable(dev, 0);
}
return 0;
}
void tegra_rtc_set_trigger(unsigned long cycles)
{
unsigned long msec;
/* Convert to msec */
msec = cycles / 1000;
if (msec)
msec = 0x80000000 | (0x0fffffff & msec);
tegra_rtc_wait_while_busy();
writel(msec, rtc_base + TEGRA_RTC_REG_MSEC_CDN_ALARM0);
tegra_rtc_wait_while_busy();
if (msec)
tegra_rtc_alarm_irq_enable(1);
else
tegra_rtc_alarm_irq_enable(0);
}
static int tegra_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t)
{
int ret;
unsigned long sec;
if (t->enabled)
rtc_tm_to_time(&t->time, &sec);
else
sec = 0;
ret = tegra_rtc_write_not_busy(dev, RTC_TEGRA_REG_SECONDS_ALARM0, sec);
dev_vdbg(
dev, "alarm read back as %d\n",
tegra_rtc_read(RTC_TEGRA_REG_SECONDS_ALARM0)
);
/* if successfully written and alarm is enabled ... */
if (ret == 0 && sec) {
tegra_rtc_alarm_irq_enable(dev, 1);
dev_vdbg(dev, "alarm set as %lu. %d/%d/%d %d:%02u:%02u\n",
sec,
t->time.tm_mon+1,
t->time.tm_mday,
t->time.tm_year+1900,
t->time.tm_hour,
t->time.tm_min,
t->time.tm_sec
);
} else {
/* disable alarm if 0 or write error. */
dev_vdbg(dev, "alarm disabled\n");
tegra_rtc_alarm_irq_enable(dev, 0);
}
return ret;
}
static void tegra_rtc_shutdown(struct platform_device *pdev)
{
dev_vdbg(&pdev->dev, "disabling interrupts.\n");
tegra_rtc_alarm_irq_enable(&pdev->dev, 0);
}