/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright (C) 2025 Intel Corporation */ #ifndef __iwl_mld_ptp_h__ #define __iwl_mld_ptp_h__ #include <linux/ptp_clock_kernel.h> /** * struct ptp_data - PTP hardware clock data * * @ptp_clock: struct ptp_clock pointer returned by the ptp_clock_register() * function. * @ptp_clock_info: struct ptp_clock_info that describes a PTP hardware clock * @lock: protects the time adjustments data * @delta: delta between hardware clock and ptp clock in nanoseconds * @scale_update_gp2: GP2 time when the scale was last updated * @scale_update_adj_time_ns: adjusted time when the scale was last updated, * in nanoseconds * @scaled_freq: clock frequency offset, scaled to 65536000000 * @last_gp2: the last GP2 reading from the hardware, used for tracking GP2 * wraparounds * @wrap_counter: number of wraparounds since scale_update_adj_time_ns * @dwork: worker scheduled every 1 hour to detect workarounds */ struct ptp_data { struct ptp_clock *ptp_clock; struct ptp_clock_info ptp_clock_info; spinlock_t lock; s64 delta; u32 scale_update_gp2; u64 scale_update_adj_time_ns; u64 scaled_freq; u32 last_gp2; u32 wrap_counter; struct delayed_work dwork; }; void iwl_mld_ptp_init(struct iwl_mld *mld); void iwl_mld_ptp_remove(struct iwl_mld *mld); u64 iwl_mld_ptp_get_adj_time(struct iwl_mld *mld, u64 base_time_ns); #endif /* __iwl_mld_ptp_h__ */