2026-01-21 18:59:54 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Marvell PTP driver
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*
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2026-01-29 22:25:33 +08:00
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* Copyright (C) 2020 Marvell.
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*
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2026-01-21 18:59:54 +08:00
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*/
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#ifndef PTP_H
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#define PTP_H
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#include <linux/timecounter.h>
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#include <linux/time64.h>
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#include <linux/spinlock.h>
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struct ptp {
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struct pci_dev *pdev;
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void __iomem *reg_base;
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2026-01-29 22:25:33 +08:00
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u64 (*read_ptp_tstmp)(struct ptp *ptp);
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spinlock_t ptp_lock; /* lock */
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struct hrtimer hrtimer;
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ktime_t last_ts;
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2026-01-21 18:59:54 +08:00
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u32 clock_rate;
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2026-01-29 22:25:33 +08:00
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u32 clock_period;
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2026-01-21 18:59:54 +08:00
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};
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2026-01-29 22:25:33 +08:00
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struct rvu;
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2026-01-21 18:59:54 +08:00
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struct ptp *ptp_get(void);
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void ptp_put(struct ptp *ptp);
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2026-01-29 22:25:33 +08:00
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void ptp_start(struct rvu *rvu, u64 sclk, u32 ext_clk_freq, u32 extts);
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2026-01-21 18:59:54 +08:00
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extern struct pci_driver ptp_driver;
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#endif
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