示例#1
0
文件： rtc-s3c.c 项目： 03199618/linux 
static irqreturn_t s3c_rtc_alarmirq(int irq, void *id)
{
	struct rtc_device *rdev = id;

	clk_enable(rtc_clk);
	rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF);

	if (s3c_rtc_cpu_type == TYPE_S3C64XX)
		writeb(S3C2410_INTP_ALM, s3c_rtc_base + S3C2410_INTP);

	clk_disable(rtc_clk);

	s3c_rtc_alarm_clk_enable(false);

	return IRQ_HANDLED;
}
示例#2
0
/* Update control registers */
static int s3c_rtc_setaie(struct rtc_device *dev, unsigned int enabled)
{
	unsigned int tmp;

	clk_enable(rtc_clk);
	tmp = readb(s3c_rtc_base + S3C2410_RTCALM) & ~S3C2410_RTCALM_ALMEN;

	if (enabled)
		tmp |= S3C2410_RTCALM_ALMEN;

	writeb(tmp, s3c_rtc_base + S3C2410_RTCALM);
	clk_disable(rtc_clk);

	s3c_rtc_alarm_clk_enable(enabled);

	return 0;
}