Esempio n. 1
0
static int jz4740_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
	int ret;
	struct jz4740_rtc *rtc = dev_get_drvdata(dev);
	unsigned long secs;

	rtc_tm_to_time(&alrm->time, &secs);

	ret = jz4740_rtc_reg_write(rtc, JZ_REG_RTC_SEC_ALARM, secs);
	if (!ret)
		ret = jz4740_rtc_ctrl_set_bits(rtc, JZ_RTC_CTRL_AE, alrm->enabled);

	return ret;
}
Esempio n. 2
0
static irqreturn_t jz4740_rtc_irq(int irq, void *data)
{
	struct jz4740_rtc *rtc = data;
	uint32_t ctrl;
	unsigned long events = 0;

	ctrl = jz4740_rtc_reg_read(rtc, JZ_REG_RTC_CTRL);

	if (ctrl & JZ_RTC_CTRL_1HZ)
		events |= (RTC_UF | RTC_IRQF);

	if (ctrl & JZ_RTC_CTRL_AF)
		events |= (RTC_AF | RTC_IRQF);

	rtc_update_irq(rtc->rtc, 1, events);

	jz4740_rtc_ctrl_set_bits(rtc, JZ_RTC_CTRL_1HZ | JZ_RTC_CTRL_AF, false);

	return IRQ_HANDLED;
}
Esempio n. 3
0
static int jz4740_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
{
	struct jz4740_rtc *rtc = dev_get_drvdata(dev);
	return jz4740_rtc_ctrl_set_bits(rtc, JZ_RTC_CTRL_AF_IRQ, enable);
}