mISDN: Add ISDN sample clock API to mISDN core

Add ISDN sample clock API to mISDN core (new file clock.c)
hfcmulti and mISDNdsp use clock API.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h
index f75d596c5316..364f1018f0d1 100644
--- a/include/linux/mISDNif.h
+++ b/include/linux/mISDNif.h
@@ -371,6 +371,7 @@ struct mISDN_ctrl_req {
 #define DEBUG_L2_TEI            0x00100000
 #define DEBUG_L2_TEIFSM         0x00200000
 #define DEBUG_TIMER             0x01000000
+#define DEBUG_CLOCK             0x02000000
 
 #define mISDN_HEAD_P(s)         ((struct mISDNhead *)&s->cb[0])
 #define mISDN_HEAD_PRIM(s)      (((struct mISDNhead *)&s->cb[0])->prim)
@@ -384,6 +385,7 @@ struct mISDN_ctrl_req {
 struct mISDNchannel;
 struct mISDNdevice;
 struct mISDNstack;
+struct mISDNclock;
 
 struct channel_req {
         u_int                   protocol;
@@ -460,6 +462,16 @@ struct mISDNstack {
 #endif
 };
 
+typedef int     (clockctl_func_t)(void *, int);
+
+struct  mISDNclock {
+        struct list_head        list;
+        char                    name[64];
+        int                     pri;
+        clockctl_func_t         *ctl;
+        void                    *priv;
+};
+
 /* global alloc/queue functions */
 
 static inline struct sk_buff *
@@ -510,8 +522,13 @@ extern int	mISDN_register_device(struct mISDNdevice *, char *name);
 extern void     mISDN_unregister_device(struct mISDNdevice *);
 extern int      mISDN_register_Bprotocol(struct Bprotocol *);
 extern void     mISDN_unregister_Bprotocol(struct Bprotocol *);
+extern struct mISDNclock *mISDN_register_clock(char *, int, clockctl_func_t *,
+                                                void *);
+extern void     mISDN_unregister_clock(struct mISDNclock *);
 
 extern void     set_channel_address(struct mISDNchannel *, u_int, u_int);
+extern void     mISDN_clock_update(struct mISDNclock *, int, struct timeval *);
+extern unsigned short mISDN_clock_get(void);
 
 #endif /* __KERNEL__ */
 #endif /* mISDNIF_H */