#include <linux/completion.h>
#include <asm/uaccess.h>
-#include <asm/rtc.h>
-#include <asm/mach/time.h>
+#include <mach/at91_rtc.h>
-#include <asm/arch/at91_rtc.h>
-
-#define AT91_RTC_FREQ 1
#define AT91_RTC_EPOCH 1900UL /* just like arch/arm/common/rtctime.c */
static DECLARE_COMPLETION(at91_rtc_updated);
} while ((time != at91_sys_read(timereg)) ||
(date != at91_sys_read(calreg)));
- tm->tm_sec = BCD2BIN((time & AT91_RTC_SEC) >> 0);
- tm->tm_min = BCD2BIN((time & AT91_RTC_MIN) >> 8);
- tm->tm_hour = BCD2BIN((time & AT91_RTC_HOUR) >> 16);
+ tm->tm_sec = bcd2bin((time & AT91_RTC_SEC) >> 0);
+ tm->tm_min = bcd2bin((time & AT91_RTC_MIN) >> 8);
+ tm->tm_hour = bcd2bin((time & AT91_RTC_HOUR) >> 16);
/*
* The Calendar Alarm register does not have a field for
* the year - so these will return an invalid value. When an
* alarm is set, at91_alarm_year wille store the current year.
*/
- tm->tm_year = BCD2BIN(date & AT91_RTC_CENT) * 100; /* century */
- tm->tm_year += BCD2BIN((date & AT91_RTC_YEAR) >> 8); /* year */
+ tm->tm_year = bcd2bin(date & AT91_RTC_CENT) * 100; /* century */
+ tm->tm_year += bcd2bin((date & AT91_RTC_YEAR) >> 8); /* year */
- tm->tm_wday = BCD2BIN((date & AT91_RTC_DAY) >> 21) - 1; /* day of the week [0-6], Sunday=0 */
- tm->tm_mon = BCD2BIN((date & AT91_RTC_MONTH) >> 16) - 1;
- tm->tm_mday = BCD2BIN((date & AT91_RTC_DATE) >> 24);
+ tm->tm_wday = bcd2bin((date & AT91_RTC_DAY) >> 21) - 1; /* day of the week [0-6], Sunday=0 */
+ tm->tm_mon = bcd2bin((date & AT91_RTC_MONTH) >> 16) - 1;
+ tm->tm_mday = bcd2bin((date & AT91_RTC_DATE) >> 24);
}
/*
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD);
at91_sys_write(AT91_RTC_TIMR,
- BIN2BCD(tm->tm_sec) << 0
- | BIN2BCD(tm->tm_min) << 8
- | BIN2BCD(tm->tm_hour) << 16);
+ bin2bcd(tm->tm_sec) << 0
+ | bin2bcd(tm->tm_min) << 8
+ | bin2bcd(tm->tm_hour) << 16);
at91_sys_write(AT91_RTC_CALR,
- BIN2BCD((tm->tm_year + 1900) / 100) /* century */
- | BIN2BCD(tm->tm_year % 100) << 8 /* year */
- | BIN2BCD(tm->tm_mon + 1) << 16 /* tm_mon starts at zero */
- | BIN2BCD(tm->tm_wday + 1) << 21 /* day of the week [0-6], Sunday=0 */
- | BIN2BCD(tm->tm_mday) << 24);
+ bin2bcd((tm->tm_year + 1900) / 100) /* century */
+ | bin2bcd(tm->tm_year % 100) << 8 /* year */
+ | bin2bcd(tm->tm_mon + 1) << 16 /* tm_mon starts at zero */
+ | bin2bcd(tm->tm_wday + 1) << 21 /* day of the week [0-6], Sunday=0 */
+ | bin2bcd(tm->tm_mday) << 24);
/* Restart Time/Calendar */
cr = at91_sys_read(AT91_RTC_CR);
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
at91_sys_write(AT91_RTC_TIMALR,
- BIN2BCD(tm.tm_sec) << 0
- | BIN2BCD(tm.tm_min) << 8
- | BIN2BCD(tm.tm_hour) << 16
+ bin2bcd(tm.tm_sec) << 0
+ | bin2bcd(tm.tm_min) << 8
+ | bin2bcd(tm.tm_hour) << 16
| AT91_RTC_HOUREN | AT91_RTC_MINEN | AT91_RTC_SECEN);
at91_sys_write(AT91_RTC_CALALR,
- BIN2BCD(tm.tm_mon + 1) << 16 /* tm_mon starts at zero */
- | BIN2BCD(tm.tm_mday) << 24
+ bin2bcd(tm.tm_mon + 1) << 16 /* tm_mon starts at zero */
+ | bin2bcd(tm.tm_mday) << 24
| AT91_RTC_DATEEN | AT91_RTC_MTHEN);
- if (alrm->enabled)
+ if (alrm->enabled) {
+ at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
+ }
pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
at91_alarm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour,
pr_debug("%s(): cmd=%08x, arg=%08lx.\n", __func__, cmd, arg);
+ /* important: scrub old status before enabling IRQs */
switch (cmd) {
case RTC_AIE_OFF: /* alarm off */
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
break;
case RTC_AIE_ON: /* alarm on */
+ at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
break;
case RTC_UIE_OFF: /* update off */
- case RTC_PIE_OFF: /* periodic off */
at91_sys_write(AT91_RTC_IDR, AT91_RTC_SECEV);
break;
case RTC_UIE_ON: /* update on */
- case RTC_PIE_ON: /* periodic on */
+ at91_sys_write(AT91_RTC_SCCR, AT91_RTC_SECEV);
at91_sys_write(AT91_RTC_IER, AT91_RTC_SECEV);
break;
- case RTC_IRQP_READ: /* read periodic alarm frequency */
- ret = put_user(AT91_RTC_FREQ, (unsigned long *) arg);
- break;
- case RTC_IRQP_SET: /* set periodic alarm frequency */
- if (arg != AT91_RTC_FREQ)
- ret = -EINVAL;
- break;
default:
ret = -ENOIOCTLCMD;
break;
(imr & AT91_RTC_ACKUPD) ? "yes" : "no");
seq_printf(seq, "periodic_IRQ\t: %s\n",
(imr & AT91_RTC_SECEV) ? "yes" : "no");
- seq_printf(seq, "periodic_freq\t: %ld\n",
- (unsigned long) AT91_RTC_FREQ);
return 0;
}
AT91_RTC_CALEV);
ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt,
- IRQF_DISABLED | IRQF_SHARED,
+ IRQF_SHARED,
"at91_rtc", pdev);
if (ret) {
printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n",
static u32 at91_rtc_imr;
-static int at91_rtc_suspend(struct platform_device *pdev, pm_message_t state)
+static int at91_rtc_suspend(struct device *dev)
{
/* this IRQ is shared with DBGU and other hardware which isn't
* necessarily doing PM like we are...
at91_rtc_imr = at91_sys_read(AT91_RTC_IMR)
& (AT91_RTC_ALARM|AT91_RTC_SECEV);
if (at91_rtc_imr) {
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(dev))
enable_irq_wake(AT91_ID_SYS);
else
at91_sys_write(AT91_RTC_IDR, at91_rtc_imr);
return 0;
}
-static int at91_rtc_resume(struct platform_device *pdev)
+static int at91_rtc_resume(struct device *dev)
{
if (at91_rtc_imr) {
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(dev))
disable_irq_wake(AT91_ID_SYS);
else
at91_sys_write(AT91_RTC_IER, at91_rtc_imr);
}
return 0;
}
+
+static const struct dev_pm_ops at91_rtc_pm = {
+ .suspend = at91_rtc_suspend,
+ .resume = at91_rtc_resume,
+};
+
+#define at91_rtc_pm_ptr &at91_rtc_pm
+
#else
-#define at91_rtc_suspend NULL
-#define at91_rtc_resume NULL
+#define at91_rtc_pm_ptr NULL
#endif
static struct platform_driver at91_rtc_driver = {
.remove = __exit_p(at91_rtc_remove),
- .suspend = at91_rtc_suspend,
- .resume = at91_rtc_resume,
.driver = {
.name = "at91_rtc",
.owner = THIS_MODULE,
+ .pm = at91_rtc_pm_ptr,
},
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff