mirror of
https://github.com/RT-Thread/rt-thread.git
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[dm][ptp] support Precision Time Protocol (PTP) IEEE 1588 clock
Signed-off-by: GuEe-GUI <2991707448@qq.com>
This commit is contained in:
GuEe-GUI
Rbb666
Executable
+201
@@ -0,0 +1,201 @@
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-04-23 GuEe-GUI first version
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*/
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#ifndef __PTP_H__
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#define __PTP_H__
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#include <rthw.h>
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#include <rtthread.h>
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#include <drivers/misc.h>
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struct rt_ptp_pin;
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struct rt_ptp_ops;
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struct rt_ptp_clock
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{
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struct rt_device parent;
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const struct rt_ptp_ops *ops;
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/* Maximum frequency adjustment in ppb (parts per billion), required when adjfreq is implemented */
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rt_int32_t max_freq;
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rt_int32_t alarm_nr;
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rt_int32_t pins_nr;
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rt_int32_t extts_nr;
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rt_int32_t perout_nr;
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rt_int32_t pps;
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rt_list_t notifier_nodes;
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struct rt_spinlock nodes_lock;
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struct rt_ptp_pin *pins;
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struct rt_mutex pin_mutex;
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};
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#define rt_device_to_ptp_clock(dev) rt_container_of(dev, struct rt_ptp_clock, parent)
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struct rt_ptp_clock_time
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{
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rt_int64_t sec;
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rt_int32_t nsec;
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};
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enum
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{
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PTP_CLOCK_EV_ALARM,
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PTP_CLOCK_EV_EXTTS,
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PTP_CLOCK_EV_EXTOFF,
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PTP_CLOCK_EV_PPS,
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PTP_CLOCK_EV_PPSUSR,
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PTP_CLOCK_EV_MAX,
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};
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struct rt_ptp_clock_event
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{
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rt_uint32_t type;
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rt_uint32_t index;
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union
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{
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rt_uint64_t timestamp;
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rt_int64_t offset;
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struct rt_ptp_clock_time pps_times;
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};
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};
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struct rt_ptp_clock_notifier
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{
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rt_list_t list;
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rt_uint32_t event_mask;
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struct rt_ptp_clock *ptp;
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void (*callback)(struct rt_ptp_clock_notifier *notifier, struct rt_ptp_clock_event *ev);
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void *priv;
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};
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enum
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{
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PTP_PIN_FUNC_NONE,
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PTP_PIN_FUNC_EXTTS,
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PTP_PIN_FUNC_PEROUT,
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PTP_PIN_FUNC_PHYSYNC,
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PTP_PIN_FUNC_MAX,
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};
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struct rt_ptp_pin
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{
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char name[64];
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rt_uint32_t func;
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rt_uint32_t chan;
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};
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struct rt_ptp_request_extts
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{
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rt_uint32_t chan;
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#define PTP_ENABLE_FEATURE RT_BIT(0)
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#define PTP_RISING_EDGE RT_BIT(1)
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#define PTP_FALLING_EDGE RT_BIT(2)
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#define PTP_STRICT_FLAGS RT_BIT(3)
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#define PTP_EXTTS_EDGES (PTP_RISING_EDGE | PTP_FALLING_EDGE)
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rt_uint32_t flags;
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};
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struct rt_ptp_request_perout
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{
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rt_uint32_t chan;
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#define PTP_PEROUT_ONE_SHOT RT_BIT(0)
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#define PTP_PEROUT_DUTY_CYCLE RT_BIT(1)
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#define PTP_PEROUT_PHASE RT_BIT(2)
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rt_uint32_t flags;
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/* Desired period, zero means disable */
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struct rt_ptp_clock_time period;
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/* The "on" time of the signal, must be lower than the period */
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struct rt_ptp_clock_time on;
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/* Absolute start time or phase offset */
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struct rt_ptp_clock_time start_phase;
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};
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enum
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{
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PTP_CLK_REQ_EXTTS,
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PTP_CLK_REQ_PEROUT,
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PTP_CLK_REQ_PPS,
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PTP_CLK_REQ_MAX,
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};
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struct rt_ptp_clock_request
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{
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rt_uint32_t type;
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union
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{
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struct rt_ptp_request_extts extts;
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struct rt_ptp_request_perout perout;
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};
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};
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struct rt_ptp_ops
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{
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rt_err_t (*adjfreq)(struct rt_ptp_clock *ptp, rt_base_t freq);
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rt_err_t (*adjphase)(struct rt_ptp_clock *ptp, rt_int32_t phase);
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rt_err_t (*getmaxphase)(struct rt_ptp_clock *ptp, rt_int32_t *out_maxphase);
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rt_err_t (*adjtime)(struct rt_ptp_clock *ptp, rt_int64_t delta);
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rt_err_t (*gettime)(struct rt_ptp_clock *ptp, struct rt_ptp_clock_time *ts);
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rt_err_t (*settime)(struct rt_ptp_clock *ptp, const struct rt_ptp_clock_time *ts);
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rt_err_t (*enable)(struct rt_ptp_clock *ptp, struct rt_ptp_clock_request *request, rt_bool_t on);
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rt_err_t (*verify)(struct rt_ptp_clock *ptp, rt_uint32_t pin, rt_uint32_t func, rt_uint32_t chan);
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rt_err_t (*getsnapshot)(struct rt_ptp_clock *ptp, struct rt_ptp_clock_time *ts);
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};
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rt_err_t rt_ptp_clock_register(struct rt_ptp_clock *ptp);
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rt_err_t rt_ptp_clock_unregister(struct rt_ptp_clock *ptp);
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rt_err_t rt_ptp_clock_notifier_register(struct rt_ptp_clock *ptp,
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struct rt_ptp_clock_notifier *notifier);
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rt_err_t rt_ptp_clock_notifier_unregister(struct rt_ptp_clock *ptp,
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struct rt_ptp_clock_notifier *notifier);
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void rt_ptp_clock_event(struct rt_ptp_clock *ptp, struct rt_ptp_clock_event *ev);
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rt_err_t rt_ptp_adjfreq(struct rt_ptp_clock *ptp, rt_base_t freq);
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rt_err_t rt_ptp_adjphase(struct rt_ptp_clock *ptp, rt_int32_t phase);
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rt_err_t rt_ptp_getmaxphase(struct rt_ptp_clock *ptp, rt_int32_t *out_maxphase);
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rt_err_t rt_ptp_adjtime(struct rt_ptp_clock *ptp, struct rt_ptp_clock_time *ts);
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rt_err_t rt_ptp_gettime(struct rt_ptp_clock *ptp, struct rt_ptp_clock_time *ts);
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rt_err_t rt_ptp_settime(struct rt_ptp_clock *ptp, const struct rt_ptp_clock_time *ts);
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rt_err_t rt_ptp_request_extts(struct rt_ptp_clock *ptp,
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struct rt_ptp_request_extts *extts);
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rt_err_t rt_ptp_request_perout(struct rt_ptp_clock *ptp,
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struct rt_ptp_request_perout *perout);
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rt_err_t rt_ptp_enable_pps(struct rt_ptp_clock *ptp, rt_bool_t on);
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rt_err_t rt_ptp_get_pin_func(struct rt_ptp_clock *ptp,
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rt_uint32_t pin, struct rt_ptp_pin *out_pin);
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/*
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* Assign pin function only updates pin routing metadata.
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* Call rt_ptp_request_extts() or rt_ptp_request_perout() separately to enable hardware.
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*/
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rt_err_t rt_ptp_set_pin_func(struct rt_ptp_clock *ptp,
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rt_uint32_t pin, rt_uint32_t func, rt_uint32_t chan);
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rt_err_t rt_ptp_getsnapshot(struct rt_ptp_clock *ptp, struct rt_ptp_clock_time *ts);
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#endif /* __PTP_H__ */
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@@ -64,6 +64,10 @@ extern "C" {
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#include "drivers/led.h"
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#endif /* RT_USING_LED */
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#ifdef RT_USING_PTP
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#include "drivers/ptp.h"
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#endif /* RT_USING_PTP */
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#ifdef RT_USING_INPUT
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#include "drivers/input.h"
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#ifdef RT_INPUT_UAPI
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