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