67  * This function will configure timestamping during PTP initialization
76 		pf->ptp.tstamp_config.rx_filter = HWTSTAMP_FILTER_ALL;  in ice_ptp_cfg_timestamp()
77 		pf->ptp.tstamp_config.tx_type = HWTSTAMP_TX_ON;  in ice_ptp_cfg_timestamp()
79 		pf->ptp.tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE;  in ice_ptp_cfg_timestamp()
80 		pf->ptp.tstamp_config.tx_type = HWTSTAMP_TX_OFF;  in ice_ptp_cfg_timestamp()
85  * ice_get_ptp_clock_index - Get the PTP clock index
88  * Determine the clock index of the PTP clock associated with this device. If
95  * Returns: the index of the PTP clock associated with this device, or -1 if
108 	if (pf->ptp.clock)  in ice_get_ptp_clock_index()
109 		return ptp_clock_index(pf->ptp.clock);  in ice_get_ptp_clock_index()
119 		dev_err(dev, "Failed to read PTP clock index parameter, err %d aq_err %s\n",  in ice_get_ptp_clock_index()
124 	/* The PTP clock index is an integer, and will be between 0 and  in ice_get_ptp_clock_index()
135  * ice_set_ptp_clock_index - Set the PTP clock index
138  * Set the PTP clock index for this device into the shared driver parameters,
142  * will continue operating PTP.
153 	if (!pf->ptp.clock)  in ice_set_ptp_clock_index()
162 	value = (u32)ptp_clock_index(pf->ptp.clock);  in ice_set_ptp_clock_index()
164 		dev_err(dev, "PTP Clock index is too large to store\n");  in ice_set_ptp_clock_index()
171 		dev_err(dev, "Failed to set PTP clock index parameter, err %d aq_err %s\n",  in ice_set_ptp_clock_index()
177  * ice_clear_ptp_clock_index - Clear the PTP clock index
180  * Clear the PTP clock index for this device. Must be called when
181  * unregistering the PTP clock, in order to ensure other PFs stop reporting
204 		dev_dbg(dev, "Failed to clear PTP clock index parameter, err %d aq_err %s\n",  in ice_clear_ptp_clock_index()
267 	WRITE_ONCE(pf->ptp.cached_phc_time, systime);  in ice_ptp_update_cached_phctime()
374  * time stored in the device private PTP structure as the basis for timestamp
384 	return ice_ptp_extend_32b_ts(pf->ptp.cached_phc_time,  in ice_ptp_extend_40b_ts()
440  * @info: the driver's PTP info structure
480 		dev_err(ice_pf_to_dev(pf), "PTP failed to set incval, err %d\n",  in ice_ptp_adjfine()
492  * Service for PTP external clock event
496 	struct ice_ptp *ptp = container_of(work, struct ice_ptp, extts_work);  in ice_ptp_extts_work()  local
497 	struct ice_pf *pf = container_of(ptp, struct ice_pf, ptp);  in ice_ptp_extts_work()
511 		if (pf->ptp.ext_ts_irq & (1 << chan)) {  in ice_ptp_extts_work()
519 			ptp_clock_event(pf->ptp.clock, &event);  in ice_ptp_extts_work()
520 			pf->ptp.ext_ts_irq &= ~(1 << chan);  in ice_ptp_extts_work()
541 	if (chan > (unsigned int)pf->ptp.info.n_ext_ts)  in ice_ptp_cfg_extts()
569 		pf->ptp.ext_ts_chan |= (1 << chan);  in ice_ptp_cfg_extts()
574 		pf->ptp.ext_ts_chan &= ~(1 << chan);  in ice_ptp_cfg_extts()
575 		if (!pf->ptp.ext_ts_chan)  in ice_ptp_cfg_extts()
618 		gpio_pin = pf->ptp.perout_channels[chan].gpio_pin;  in ice_ptp_cfg_clkout()
623 			memset(&pf->ptp.perout_channels[chan], 0,  in ice_ptp_cfg_clkout()
680 		memcpy(&pf->ptp.perout_channels[chan], config,  in ice_ptp_cfg_clkout()
682 		pf->ptp.perout_channels[chan].start_time = phase;  in ice_ptp_cfg_clkout()
687 	dev_err(ice_pf_to_dev(pf), "PTP failed to cfg per_clk\n");  in ice_ptp_cfg_clkout()
696  * certain changes to the PTP hardware clock. Use ice_ptp_enable_all_clkout to
703 	for (i = 0; i < pf->ptp.info.n_per_out; i++)  in ice_ptp_disable_all_clkout()
704 		if (pf->ptp.perout_channels[i].ena)  in ice_ptp_disable_all_clkout()
720 	for (i = 0; i < pf->ptp.info.n_per_out; i++)  in ice_ptp_enable_all_clkout()
721 		if (pf->ptp.perout_channels[i].ena)  in ice_ptp_enable_all_clkout()
722 			ice_ptp_cfg_clkout(pf, i, &pf->ptp.perout_channels[i],  in ice_ptp_enable_all_clkout()
728  * @info: the driver's PTP info structure
774  * @info: the driver's PTP info structure
790 		dev_err(ice_pf_to_dev(pf), "PTP failed to get time\n");  in ice_ptp_gettimex64()
802  * @info: the driver's PTP info structure
834 		dev_err(ice_pf_to_dev(pf), "PTP failed to set time %d\n", err);  in ice_ptp_settime64()
843  * @info: the driver's PTP info structure
859  * @info: the driver's PTP info structure
881 		dev_err(dev, "PTP failed to acquire semaphore in adjtime\n");  in ice_ptp_adjtime()
896 		dev_err(dev, "PTP failed to adjust time, err %d\n", err);  in ice_ptp_adjtime()
919 	config = &pf->ptp.tstamp_config;  in ice_ptp_get_ts_config()
999 	pf->ptp.tstamp_config = config;  in ice_ptp_set_ts_config()
1041  * ice_ptp_setup_pins_e810 - Setup PTP pins in sysfs
1042  * @info: PTP clock capabilities
1053  * @info: PTP info to fill
1055  * Assign functions to the PTP capabiltiies structure for E810 devices.
1069  * ice_ptp_set_caps - Set PTP capabilities
1074 	struct ptp_clock_info *info = &pf->ptp.info;  in ice_ptp_set_caps()
1090  * ice_ptp_create_clock - Create PTP clock device for userspace
1093  * This function creates a new PTP clock device. It only creates one if we
1105 	if (pf->ptp.clock)  in ice_ptp_create_clock()
1110 	info = &pf->ptp.info;  in ice_ptp_create_clock()
1118 	pf->ptp.clock = clock;  in ice_ptp_create_clock()
1222 		kthread_queue_work(pf->ptp.kworker, &tx->work);  in ice_ptp_tx_tstamp_work()
1228  * @tx: the PTP Tx timestamp tracker to request from
1268  * Queue work required to process the PTP Tx timestamps outside of interrupt
1273 	if (pf->ptp.port.tx.init)  in ice_ptp_process_ts()
1274 		kthread_queue_work(pf->ptp.kworker, &pf->ptp.port.tx.work);  in ice_ptp_process_ts()
1378  * @tx: PTP Tx tracker to clean up
1413 	struct ice_ptp *ptp = container_of(work, struct ice_ptp, work.work);  in ice_ptp_periodic_work()  local
1414 	struct ice_pf *pf = container_of(ptp, struct ice_pf, ptp);  in ice_ptp_periodic_work()
1421 	ice_ptp_tx_tstamp_cleanup(&pf->ptp.port.tx);  in ice_ptp_periodic_work()
1424 	kthread_queue_delayed_work(ptp->kworker, &ptp->work,  in ice_ptp_periodic_work()
1432  * Setup and initialize a PTP clock device that represents the device hardware
1489 	/* Store the PTP clock index for other PFs */  in ice_ptp_init_owner()
1495 	pf->ptp.clock = NULL;  in ice_ptp_init_owner()
1497 	dev_err(dev, "PTP failed to register clock, err %d\n", err);  in ice_ptp_init_owner()
1503  * ice_ptp_init - Initialize the PTP support after device probe or reset
1506  * This function sets device up for PTP support. The first time it is run, it
1517 	/* PTP is currently only supported on E810 devices */  in ice_ptp_init()
1531 	/* Initialize the PTP port Tx timestamp tracker */  in ice_ptp_init()
1532 	ice_ptp_init_tx_e810(pf, &pf->ptp.port.tx);  in ice_ptp_init()
1535 	kthread_init_delayed_work(&pf->ptp.work, ice_ptp_periodic_work);  in ice_ptp_init()
1536 	kthread_init_work(&pf->ptp.extts_work, ice_ptp_extts_work);  in ice_ptp_init()
1539 	 * connected to the PTP hardware clock.  in ice_ptp_init()
1541 	kworker = kthread_create_worker(0, "ice-ptp-%s", dev_name(dev));  in ice_ptp_init()
1546 	pf->ptp.kworker = kworker;  in ice_ptp_init()
1551 	kthread_queue_delayed_work(pf->ptp.kworker, &pf->ptp.work, 0);  in ice_ptp_init()
1553 	dev_info(dev, "PTP init successful\n");  in ice_ptp_init()
1557 	/* If we registered a PTP clock, release it */  in ice_ptp_init()
1558 	if (pf->ptp.clock) {  in ice_ptp_init()
1559 		ptp_clock_unregister(pf->ptp.clock);  in ice_ptp_init()
1560 		pf->ptp.clock = NULL;  in ice_ptp_init()
1562 	dev_err(dev, "PTP failed %d\n", err);  in ice_ptp_init()
1580 	ice_ptp_release_tx_tracker(pf, &pf->ptp.port.tx);  in ice_ptp_release()
1584 	kthread_cancel_delayed_work_sync(&pf->ptp.work);  in ice_ptp_release()
1586 	if (pf->ptp.kworker) {  in ice_ptp_release()
1587 		kthread_destroy_worker(pf->ptp.kworker);  in ice_ptp_release()
1588 		pf->ptp.kworker = NULL;  in ice_ptp_release()
1591 	if (!pf->ptp.clock)  in ice_ptp_release()
1598 	ptp_clock_unregister(pf->ptp.clock);  in ice_ptp_release()
1599 	pf->ptp.clock = NULL;  in ice_ptp_release()
1601 	dev_info(ice_pf_to_dev(pf), "Removed PTP clock\n");  in ice_ptp_release()