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-rw-r--r--include/linux/rtc.h43
1 files changed, 38 insertions, 5 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 14dbc83ded20..a3421abca703 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -107,12 +107,17 @@ extern int rtc_year_days(unsigned int day, unsigned int month, unsigned int year
extern int rtc_valid_tm(struct rtc_time *tm);
extern int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time);
extern void rtc_time_to_tm(unsigned long time, struct rtc_time *tm);
+ktime_t rtc_tm_to_ktime(struct rtc_time tm);
+struct rtc_time rtc_ktime_to_tm(ktime_t kt);
+
#include <linux/device.h>
#include <linux/seq_file.h>
#include <linux/cdev.h>
#include <linux/poll.h>
#include <linux/mutex.h>
+#include <linux/timerqueue.h>
+#include <linux/workqueue.h>
extern struct class *rtc_class;
@@ -151,7 +156,19 @@ struct rtc_class_ops {
};
#define RTC_DEVICE_NAME_SIZE 20
-struct rtc_task;
+typedef struct rtc_task {
+ void (*func)(void *private_data);
+ void *private_data;
+} rtc_task_t;
+
+
+struct rtc_timer {
+ struct rtc_task task;
+ struct timerqueue_node node;
+ ktime_t period;
+ int enabled;
+};
+
/* flags */
#define RTC_DEV_BUSY 0
@@ -179,6 +196,15 @@ struct rtc_device
spinlock_t irq_task_lock;
int irq_freq;
int max_user_freq;
+
+ struct timerqueue_head timerqueue;
+ struct rtc_timer aie_timer;
+ struct rtc_timer uie_rtctimer;
+ struct hrtimer pie_timer; /* sub second exp, so needs hrtimer */
+ int pie_enabled;
+ struct work_struct irqwork;
+
+
#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
struct work_struct uie_task;
struct timer_list uie_timer;
@@ -224,15 +250,22 @@ extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled);
extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc,
unsigned int enabled);
-typedef struct rtc_task {
- void (*func)(void *private_data);
- void *private_data;
-} rtc_task_t;
+void rtc_aie_update_irq(void *private);
+void rtc_uie_update_irq(void *private);
+enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer);
int rtc_register(rtc_task_t *task);
int rtc_unregister(rtc_task_t *task);
int rtc_control(rtc_task_t *t, unsigned int cmd, unsigned long arg);
+void rtctimer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer);
+void rtctimer_remove(struct rtc_device *rtc, struct rtc_timer *timer);
+void rtctimer_init(struct rtc_timer *timer, void (*f)(void* p), void* data);
+int rtctimer_start(struct rtc_device *rtc, struct rtc_timer* timer,
+ ktime_t expires, ktime_t period);
+int rtctimer_cancel(struct rtc_device *rtc, struct rtc_timer* timer);
+void rtctimer_do_work(struct work_struct *work);
+
static inline bool is_leap_year(unsigned int year)
{
return (!(year % 4) && (year % 100)) || !(year % 400);