ptp.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Marvell PTP driver
 3 *
 4 * Copyright (C) 2020 Marvell.
 5 *
 6 */
 7
 8#ifndef PTP_H
 9#define PTP_H
10
11#include <linux/timecounter.h>
12#include <linux/time64.h>
13#include <linux/spinlock.h>
14
15struct ptp {
16	struct pci_dev *pdev;
17	void __iomem *reg_base;
18	u64 (*read_ptp_tstmp)(struct ptp *ptp);
19	spinlock_t ptp_lock; /* lock */
20	struct hrtimer hrtimer;
21	ktime_t last_ts;
22	u32 clock_rate;
23	u32 clock_period;
24};
25
26struct rvu;
27struct ptp *ptp_get(void);
28void ptp_put(struct ptp *ptp);
29void ptp_start(struct rvu *rvu, u64 sclk, u32 ext_clk_freq, u32 extts);
30
31extern struct pci_driver ptp_driver;
32
33#endif