*
* Modifications from:
* CIH <cih@coventive.com>
- * Nicolas Pitre <nico@cam.org>
+ * Nicolas Pitre <nico@fluxnic.net>
* Andrew Christian <andrew.christian@hp.com>
*
* Converted to the RTC subsystem and Driver Model
#include <linux/pm.h>
#include <linux/bitops.h>
-#include <asm/arch/hardware.h>
+#include <mach/hardware.h>
#include <asm/irq.h>
#ifdef CONFIG_ARCH_PXA
-#include <asm/arch/pxa-regs.h>
+#include <mach/regs-rtc.h>
+#include <mach/regs-ost.h>
#endif
-#define TIMER_FREQ CLOCK_TICK_RATE
#define RTC_DEF_DIVIDER 32768 - 1
#define RTC_DEF_TRIM 0
static unsigned long rtc_freq = 1024;
+static unsigned long timer_freq;
static struct rtc_time rtc_alarm;
static DEFINE_SPINLOCK(sa1100_rtc_lock);
rtc_update_irq(rtc, rtc_timer1_count, RTC_PF | RTC_IRQF);
if (rtc_timer1_count == 1)
- rtc_timer1_count = (rtc_freq * ((1<<30)/(TIMER_FREQ>>2)));
+ rtc_timer1_count = (rtc_freq * ((1 << 30) / (timer_freq >> 2)));
return IRQ_HANDLED;
}
{
if (data & RTC_PF) {
/* interpolate missed periods and set match for the next */
- unsigned long period = TIMER_FREQ/rtc_freq;
+ unsigned long period = timer_freq / rtc_freq;
unsigned long oscr = OSCR;
unsigned long osmr1 = OSMR1;
unsigned long missed = (oscr - osmr1)/period;
return 0;
case RTC_PIE_ON:
spin_lock_irq(&sa1100_rtc_lock);
- OSMR1 = TIMER_FREQ/rtc_freq + OSCR;
+ OSMR1 = timer_freq / rtc_freq + OSCR;
OIER |= OIER_E1;
rtc_timer1_count = 1;
spin_unlock_irq(&sa1100_rtc_lock);
case RTC_IRQP_READ:
return put_user(rtc_freq, (unsigned long *)arg);
case RTC_IRQP_SET:
- if (arg < 1 || arg > TIMER_FREQ)
+ if (arg < 1 || arg > timer_freq)
return -EINVAL;
rtc_freq = arg;
return 0;
{
struct rtc_device *rtc;
+ timer_freq = get_clock_tick_rate();
+
/*
* According to the manual we should be able to let RTTR be zero
* and then a default diviser for a 32.768KHz clock is used.
}
#ifdef CONFIG_PM
-static int sa1100_rtc_suspend(struct platform_device *pdev, pm_message_t state)
+static int sa1100_rtc_suspend(struct device *dev)
{
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(dev))
enable_irq_wake(IRQ_RTCAlrm);
return 0;
}
-static int sa1100_rtc_resume(struct platform_device *pdev)
+static int sa1100_rtc_resume(struct device *dev)
{
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(dev))
disable_irq_wake(IRQ_RTCAlrm);
return 0;
}
-#else
-#define sa1100_rtc_suspend NULL
-#define sa1100_rtc_resume NULL
+
+static const struct dev_pm_ops sa1100_rtc_pm_ops = {
+ .suspend = sa1100_rtc_suspend,
+ .resume = sa1100_rtc_resume,
+};
#endif
static struct platform_driver sa1100_rtc_driver = {
.probe = sa1100_rtc_probe,
.remove = sa1100_rtc_remove,
- .suspend = sa1100_rtc_suspend,
- .resume = sa1100_rtc_resume,
.driver = {
- .name = "sa1100-rtc",
+ .name = "sa1100-rtc",
+#ifdef CONFIG_PM
+ .pm = &sa1100_rtc_pm_ops,
+#endif
},
};