linux/drivers/net/dsa/microchip/ksz_ptp.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Microchip KSZ PTP Implementation
 *
 * Copyright (C) 2020 ARRI Lighting
 * Copyright (C) 2022 Microchip Technology Inc.
 */

#ifndef _NET_DSA_DRIVERS_KSZ_PTP_H
#define _NET_DSA_DRIVERS_KSZ_PTP_H

#if IS_ENABLED(CONFIG_NET_DSA_MICROCHIP_KSZ_PTP)

#include <linux/ptp_clock_kernel.h>

#define KSZ_PTP_N_GPIO …

enum ksz_ptp_tou_mode { … };

struct ksz_ptp_data { … };

int ksz_ptp_clock_register(struct dsa_switch *ds);

void ksz_ptp_clock_unregister(struct dsa_switch *ds);

int ksz_get_ts_info(struct dsa_switch *ds, int port,
		    struct kernel_ethtool_ts_info *ts);
int ksz_hwtstamp_get(struct dsa_switch *ds, int port, struct ifreq *ifr);
int ksz_hwtstamp_set(struct dsa_switch *ds, int port, struct ifreq *ifr);
void ksz_port_txtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb);
void ksz_port_deferred_xmit(struct kthread_work *work);
bool ksz_port_rxtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb,
		       unsigned int type);
int ksz_ptp_irq_setup(struct dsa_switch *ds, u8 p);
void ksz_ptp_irq_free(struct dsa_switch *ds, u8 p);

#else

struct ksz_ptp_data {
	/* Serializes all operations on the PTP hardware clock */
	struct mutex lock;
};

static inline int ksz_ptp_clock_register(struct dsa_switch *ds)
{
	return 0;
}

static inline void ksz_ptp_clock_unregister(struct dsa_switch *ds) { }

static inline int ksz_ptp_irq_setup(struct dsa_switch *ds, u8 p)
{
	return 0;
}

static inline void ksz_ptp_irq_free(struct dsa_switch *ds, u8 p) {}

#define ksz_get_ts_info …

#define ksz_hwtstamp_get …

#define ksz_hwtstamp_set …

#define ksz_port_rxtstamp …

#define ksz_port_txtstamp …

#define ksz_port_deferred_xmit …

#endif	/* End of CONFIG_NET_DSA_MICROCHIP_KSZ_PTP */

#endif