1/*-
2 * Copyright (c) 2023 The FreeBSD Foundation
3 *
4 * This software was developed by Bj��rn Zeeb under sponsorship from
5 * the FreeBSD Foundation.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef	_LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H
30#define	_LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H
31
32#include <linux/types.h>
33#include <linux/device.h>
34#include <linux/kernel.h>	/* pr_debug */
35#include <linux/ktime.h>	/* system_device_crosststamp */
36
37/* This very likely belongs elsewhere. */
38struct system_device_crosststamp {
39	ktime_t	device;
40	ktime_t	sys_realtime;
41	ktime_t	sys_monotonic_raw;	/* name guessed based on comment */
42};
43
44struct ptp_clock_info {
45	char		name[32];
46	int		max_adj;
47	void		*owner;			/* THIS_MODULE */
48	int (*adjfine)(struct ptp_clock_info *, long);
49	int (*adjtime)(struct ptp_clock_info *, s64);
50	int (*getcrosststamp)(struct ptp_clock_info *, struct system_device_crosststamp *);
51	int (*gettime64)(struct ptp_clock_info *, struct timespec *);
52};
53
54static inline struct ptp_clock *
55ptp_clock_register(struct ptp_clock_info *ptpci, struct device *dev)
56{
57
58	pr_debug("%s: TODO\n", __func__);
59	return (NULL);
60}
61
62static inline void
63ptp_clock_unregister(struct ptp_clock *ptpc)
64{
65	pr_debug("%s: TODO\n", __func__);
66}
67
68static inline int
69ptp_clock_index(struct ptp_clock *ptpc)
70{
71	pr_debug("%s: TODO\n", __func__);
72	return (0);
73}
74
75#endif	/* _LINUXKPI_LINUX_PTP_CLOCK_KERNEL_H */
76