1/* SPDX-License-Identifier: GPL-2.0 */
2/* Texas Instruments ICSSG Industrial Ethernet Peripheral (IEP) Driver
3 *
4 * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
5 *
6 */
7
8#ifndef __NET_TI_ICSS_IEP_H
9#define __NET_TI_ICSS_IEP_H
10
11#include <linux/mutex.h>
12#include <linux/ptp_clock_kernel.h>
13#include <linux/regmap.h>
14
15struct icss_iep;
16extern const struct icss_iep_clockops prueth_iep_clockops;
17
18/* Firmware specific clock operations */
19struct icss_iep_clockops {
20	void (*settime)(void *clockops_data, u64 ns);
21	void (*adjtime)(void *clockops_data, s64 delta);
22	u64 (*gettime)(void *clockops_data, struct ptp_system_timestamp *sts);
23	int (*perout_enable)(void *clockops_data,
24			     struct ptp_perout_request *req, int on,
25			     u64 *cmp);
26	int (*extts_enable)(void *clockops_data, u32 index, int on);
27};
28
29struct icss_iep *icss_iep_get(struct device_node *np);
30struct icss_iep *icss_iep_get_idx(struct device_node *np, int idx);
31void icss_iep_put(struct icss_iep *iep);
32int icss_iep_init(struct icss_iep *iep, const struct icss_iep_clockops *clkops,
33		  void *clockops_data, u32 cycle_time_ns);
34int icss_iep_exit(struct icss_iep *iep);
35int icss_iep_get_count_low(struct icss_iep *iep);
36int icss_iep_get_count_hi(struct icss_iep *iep);
37int icss_iep_get_ptp_clock_idx(struct icss_iep *iep);
38void icss_iep_init_fw(struct icss_iep *iep);
39void icss_iep_exit_fw(struct icss_iep *iep);
40
41#endif /* __NET_TI_ICSS_IEP_H */
42