1 files changed, 46 insertions, 15 deletions

diff --git a/include/linux/pps_kernel.h b/include/linux/pps_kernel.h
index e0a193f830ef..94048547f29a 100644
--- a/include/linux/pps_kernel.h
+++ b/include/linux/pps_kernel.h
@@ -18,6 +18,9 @@
  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#ifndef LINUX_PPS_KERNEL_H
+#define LINUX_PPS_KERNEL_H
+
 #include <linux/pps.h>
 
 #include <linux/cdev.h>
@@ -28,18 +31,28 @@
  * Global defines
  */
 
+struct pps_device;
+
 /* The specific PPS source info */
 struct pps_source_info {
 	char name[PPS_MAX_NAME_LEN];		/* simbolic name */
 	char path[PPS_MAX_NAME_LEN];		/* path of connected device */
 	int mode;				/* PPS's allowed mode */
 
-	void (*echo)(int source, int event, void *data); /* PPS echo function */
+	void (*echo)(struct pps_device *pps,
+			int event, void *data);	/* PPS echo function */
 
 	struct module *owner;
 	struct device *dev;
 };
 
+struct pps_event_time {
+#ifdef CONFIG_NTP_PPS
+	struct timespec ts_raw;
+#endif /* CONFIG_NTP_PPS */
+	struct timespec ts_real;
+};
+
 /* The main struct */
 struct pps_device {
 	struct pps_source_info info;		/* PSS source info */
@@ -52,38 +65,56 @@ struct pps_device {
 	struct pps_ktime clear_tu;
 	int current_mode;			/* PPS mode at event time */
 
-	int go;					/* PPS event is arrived? */
+	unsigned int last_ev;			/* last PPS event id */
 	wait_queue_head_t queue;		/* PPS event queue */
 
 	unsigned int id;			/* PPS source unique ID */
 	struct cdev cdev;
 	struct device *dev;
-	int devno;
 	struct fasync_struct *async_queue;	/* fasync method */
 	spinlock_t lock;
-
-	atomic_t usage;				/* usage count */
 };
 
 /*
  * Global variables
  */
 
-extern spinlock_t pps_idr_lock;
-extern struct idr pps_idr;
-extern struct timespec pps_irq_ts[];
-
 extern struct device_attribute pps_attrs[];
 
 /*
  * Exported functions
  */
 
-struct pps_device *pps_get_source(int source);
-extern void pps_put_source(struct pps_device *pps);
-extern int pps_register_source(struct pps_source_info *info,
-				int default_params);
-extern void pps_unregister_source(int source);
+extern struct pps_device *pps_register_source(
+		struct pps_source_info *info, int default_params);
+extern void pps_unregister_source(struct pps_device *pps);
 extern int pps_register_cdev(struct pps_device *pps);
 extern void pps_unregister_cdev(struct pps_device *pps);
-extern void pps_event(int source, struct pps_ktime *ts, int event, void *data);
+extern void pps_event(struct pps_device *pps,
+		struct pps_event_time *ts, int event, void *data);
+
+static inline void timespec_to_pps_ktime(struct pps_ktime *kt,
+		struct timespec ts)
+{
+	kt->sec = ts.tv_sec;
+	kt->nsec = ts.tv_nsec;
+}
+
+#ifdef CONFIG_NTP_PPS
+
+static inline void pps_get_ts(struct pps_event_time *ts)
+{
+	getnstime_raw_and_real(&ts->ts_raw, &ts->ts_real);
+}
+
+#else /* CONFIG_NTP_PPS */
+
+static inline void pps_get_ts(struct pps_event_time *ts)
+{
+	getnstimeofday(&ts->ts_real);
+}
+
+#endif /* CONFIG_NTP_PPS */
+
+#endif /* LINUX_PPS_KERNEL_H */
+