| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* Marvell PTP driver |
| * |
| * Copyright (C) 2020 Marvell. |
| * |
| */ |
| |
| #ifndef PTP_H |
| #define PTP_H |
| |
| #include <linux/timecounter.h> |
| #include <linux/time64.h> |
| #include <linux/spinlock.h> |
| |
| struct ptp { |
| struct pci_dev *pdev; |
| void __iomem *reg_base; |
| u64 (*read_ptp_tstmp)(struct ptp *ptp); |
| spinlock_t ptp_lock; /* lock */ |
| struct hrtimer hrtimer; |
| ktime_t last_ts; |
| u32 clock_rate; |
| u32 clock_period; |
| }; |
| |
| struct ptp *ptp_get(void); |
| void ptp_put(struct ptp *ptp); |
| void ptp_start(struct ptp *ptp, u64 sclk, u32 ext_clk_freq, u32 extts); |
| |
| extern struct pci_driver ptp_driver; |
| |
| #endif |
