3  * PTP 1588 clock support
19  * struct ptp_clock_request - request PTP clock event
55  * struct ptp_clock_info - describes a PTP hardware clock
141  * @verify:   Confirm that a pin can perform a given function. The PTP
174 	int (*adjfine)(struct ptp_clock_info *ptp, long scaled_ppm);
175 	int (*adjfreq)(struct ptp_clock_info *ptp, s32 delta);
176 	int (*adjphase)(struct ptp_clock_info *ptp, s32 phase);
177 	int (*adjtime)(struct ptp_clock_info *ptp, s64 delta);
178 	int (*gettime64)(struct ptp_clock_info *ptp, struct timespec64 *ts);
179 	int (*gettimex64)(struct ptp_clock_info *ptp, struct timespec64 *ts,
181 	int (*getcrosststamp)(struct ptp_clock_info *ptp,
184 	int (*getcycles64)(struct ptp_clock_info *ptp, struct timespec64 *ts);
185 	int (*getcyclesx64)(struct ptp_clock_info *ptp, struct timespec64 *ts,
187 	int (*getcrosscycles)(struct ptp_clock_info *ptp,
189 	int (*enable)(struct ptp_clock_info *ptp,
191 	int (*verify)(struct ptp_clock_info *ptp, unsigned int pin,
193 	long (*do_aux_work)(struct ptp_clock_info *ptp);
206  * struct ptp_clock_event - decribes a PTP hardware clock event
252  * ptp_clock_register() - register a PTP hardware clock driver
267  * ptp_clock_unregister() - unregister a PTP hardware clock driver
269  * @ptp:  The clock to remove from service.
272 extern int ptp_clock_unregister(struct ptp_clock *ptp);
275  * ptp_clock_event() - notify the PTP layer about an event
277  * @ptp:    The clock obtained from ptp_clock_register().
281 extern void ptp_clock_event(struct ptp_clock *ptp,
285  * ptp_clock_index() - obtain the device index of a PTP clock
287  * @ptp:    The clock obtained from ptp_clock_register().
290 extern int ptp_clock_index(struct ptp_clock *ptp);
301  * @ptp:    The clock obtained from ptp_clock_register().
308 int ptp_find_pin(struct ptp_clock *ptp,
321 int ptp_find_pin_unlocked(struct ptp_clock *ptp,
325  * ptp_schedule_worker() - schedule ptp auxiliary work
327  * @ptp:    The clock obtained from ptp_clock_register().
332 int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay);
335  * ptp_cancel_worker_sync() - cancel ptp auxiliary clock
337  * @ptp:     The clock obtained from ptp_clock_register().
339 void ptp_cancel_worker_sync(struct ptp_clock *ptp);
345 static inline int ptp_clock_unregister(struct ptp_clock *ptp)  in ptp_clock_unregister()  argument
347 static inline void ptp_clock_event(struct ptp_clock *ptp,  in ptp_clock_event()  argument
350 static inline int ptp_clock_index(struct ptp_clock *ptp)  in ptp_clock_index()  argument
352 static inline int ptp_find_pin(struct ptp_clock *ptp,  in ptp_find_pin()  argument
355 static inline int ptp_find_pin_unlocked(struct ptp_clock *ptp,  in ptp_find_pin_unlocked()  argument
359 static inline int ptp_schedule_worker(struct ptp_clock *ptp,  in ptp_schedule_worker()  argument
362 static inline void ptp_cancel_worker_sync(struct ptp_clock *ptp)  in ptp_cancel_worker_sync()  argument
368  * These are called by the network core, and don't work if PTP is in
377  * @pclock_index: phc index of ptp pclock.
385  * ptp_convert_timestamp() - convert timestamp to a ptp vclock time
388  * @vclock_index: phc index of ptp vclock.