8  * idpf_ptp_get_access - Determine the access type of the PTP features
13  * Return: the type of supported access for the PTP feature.
18 	if (adapter->ptp->caps & direct)  in idpf_ptp_get_access()
20 	else if (adapter->ptp->caps & mailbox)  in idpf_ptp_get_access()
27  * idpf_ptp_get_features_access - Determine the access type of PTP features
30  * Fulfill the adapter structure with type of the supported PTP features
35 	struct idpf_ptp *ptp = adapter->ptp;  in idpf_ptp_get_features_access()  local
41 	ptp->get_dev_clk_time_access = idpf_ptp_get_access(adapter,  in idpf_ptp_get_features_access()
48 	ptp->get_cross_tstamp_access = idpf_ptp_get_access(adapter,  in idpf_ptp_get_features_access()
55 	ptp->set_dev_clk_time_access = idpf_ptp_get_access(adapter,  in idpf_ptp_get_features_access()
62 	ptp->adj_dev_clk_time_access = idpf_ptp_get_access(adapter,  in idpf_ptp_get_features_access()
69 	ptp->tx_tstamp_access = idpf_ptp_get_access(adapter,  in idpf_ptp_get_features_access()
83 	shtime_enable = adapter->ptp->cmd.shtime_enable_mask;  in idpf_ptp_enable_shtime()
84 	exec_cmd = adapter->ptp->cmd.exec_cmd_mask;  in idpf_ptp_enable_shtime()
87 	writel(shtime_enable, adapter->ptp->dev_clk_regs.cmd_sync);  in idpf_ptp_enable_shtime()
88 	writel(exec_cmd | shtime_enable, adapter->ptp->dev_clk_regs.cmd_sync);  in idpf_ptp_enable_shtime()
102 	struct idpf_ptp *ptp = adapter->ptp;  in idpf_ptp_read_src_clk_reg_direct()  local
105 	spin_lock(&ptp->read_dev_clk_lock);  in idpf_ptp_read_src_clk_reg_direct()
115 	lo = readl(ptp->dev_clk_regs.dev_clk_ns_l);  in idpf_ptp_read_src_clk_reg_direct()
116 	hi = readl(ptp->dev_clk_regs.dev_clk_ns_h);  in idpf_ptp_read_src_clk_reg_direct()
118 	spin_unlock(&ptp->read_dev_clk_lock);  in idpf_ptp_read_src_clk_reg_direct()
166 	switch (adapter->ptp->get_dev_clk_time_access) {  in idpf_ptp_read_src_clk_reg()
193 	struct idpf_ptp *ptp = adapter->ptp;  in idpf_ptp_get_sync_device_time_direct()  local
195 	spin_lock(&ptp->read_dev_clk_lock);  in idpf_ptp_get_sync_device_time_direct()
199 	dev_time_lo = readl(ptp->dev_clk_regs.dev_clk_ns_l);  in idpf_ptp_get_sync_device_time_direct()
200 	dev_time_hi = readl(ptp->dev_clk_regs.dev_clk_ns_h);  in idpf_ptp_get_sync_device_time_direct()
202 	sys_time_lo = readl(ptp->dev_clk_regs.sys_time_ns_l);  in idpf_ptp_get_sync_device_time_direct()
203 	sys_time_hi = readl(ptp->dev_clk_regs.sys_time_ns_h);  in idpf_ptp_get_sync_device_time_direct()
205 	spin_unlock(&ptp->read_dev_clk_lock);  in idpf_ptp_get_sync_device_time_direct()
254 	switch (adapter->ptp->get_cross_tstamp_access) {  in idpf_ptp_get_sync_device_time()
284  * @info: the driver's PTP info structure
287  * Capture a cross timestamp between the system time and the device PTP hardware
304  * @info: the driver's PTP info structure
383 	WRITE_ONCE(adapter->ptp->cached_phc_time, systime);  in idpf_ptp_update_cached_phctime()
384 	WRITE_ONCE(adapter->ptp->cached_phc_jiffies, jiffies);  in idpf_ptp_update_cached_phctime()
406  * @info: the driver's PTP info structure
422 	access = adapter->ptp->set_dev_clk_time_access;  in idpf_ptp_settime64()
445  * @info: the driver's PTP info structure
467  * @info: the driver's PTP info structure
478 	access = adapter->ptp->adj_dev_clk_time_access;  in idpf_ptp_adjtime()
506  * @info: the driver's PTP info structure
521 	access = adapter->ptp->adj_dev_clk_time_access;  in idpf_ptp_adjfine()
525 	incval = adapter->ptp->base_incval;  in idpf_ptp_adjfine()
538  * @info: the driver's PTP info structure
553  * @info: the driver's PTP info structure
609  * time stored in the device private PTP structure as the basis for timestamp
616 	struct idpf_ptp *ptp = vport->adapter->ptp;  in idpf_ptp_extend_ts()  local
619 	discard_time = ptp->cached_phc_jiffies + 2 * HZ;  in idpf_ptp_extend_ts()
629 	return idpf_ptp_tstamp_extend_32b_to_64b(ptp->cached_phc_time,  in idpf_ptp_extend_ts()
639  * Request tx timestamp index negotiated during PTP init that will be set into
712 				idpf_queue_set(PTP, rx_queue);  in idpf_ptp_set_rx_tstamp()
714 				idpf_queue_clear(PTP, rx_queue);  in idpf_ptp_set_rx_tstamp()
761  * idpf_ptp_do_aux_work - Do PTP periodic work
762  * @info: Driver's PTP info structure
776  * idpf_ptp_set_caps - Set PTP capabilities
779  * This function sets the PTP functions.
783 	struct ptp_clock_info *info = &adapter->ptp->info;  in idpf_ptp_set_caps()
789 	info->max_adj = adapter->ptp->max_adj;  in idpf_ptp_set_caps()
808  * idpf_ptp_create_clock - Create PTP clock device for userspace
811  * This function creates a new PTP clock device.
822 	clock = ptp_clock_register(&adapter->ptp->info,  in idpf_ptp_create_clock()
825 		pci_err(adapter->pdev, "PTP clock creation failed: %pe\n",  in idpf_ptp_create_clock()
830 	adapter->ptp->clock = clock;  in idpf_ptp_create_clock()
917  * idpf_ptp_init - Initialize PTP hardware clock support
920  * Set up the device for interacting with the PTP hardware clock for all
932 		pci_dbg(adapter->pdev, "PTP capability is not detected\n");  in idpf_ptp_init()
936 	adapter->ptp = kzalloc(sizeof(*adapter->ptp), GFP_KERNEL);  in idpf_ptp_init()
937 	if (!adapter->ptp)  in idpf_ptp_init()
941 	adapter->ptp->adapter = adapter;  in idpf_ptp_init()
948 		pci_err(adapter->pdev, "Failed to get PTP caps err %d\n", err);  in idpf_ptp_init()
956 	if (adapter->ptp->get_dev_clk_time_access != IDPF_PTP_NONE)  in idpf_ptp_init()
957 		ptp_schedule_worker(adapter->ptp->clock, 0);  in idpf_ptp_init()
962 	if (adapter->ptp->adj_dev_clk_time_access != IDPF_PTP_NONE) {  in idpf_ptp_init()
964 						adapter->ptp->base_incval);  in idpf_ptp_init()
970 	if (adapter->ptp->set_dev_clk_time_access != IDPF_PTP_NONE) {  in idpf_ptp_init()
972 		err = idpf_ptp_settime64(&adapter->ptp->info, &ts);  in idpf_ptp_init()
977 	spin_lock_init(&adapter->ptp->read_dev_clk_lock);  in idpf_ptp_init()
979 	pci_dbg(adapter->pdev, "PTP init successful\n");  in idpf_ptp_init()
984 	if (adapter->ptp->get_dev_clk_time_access != IDPF_PTP_NONE)  in idpf_ptp_init()
985 		ptp_cancel_worker_sync(adapter->ptp->clock);  in idpf_ptp_init()
987 	ptp_clock_unregister(adapter->ptp->clock);  in idpf_ptp_init()
988 	adapter->ptp->clock = NULL;  in idpf_ptp_init()
991 	kfree(adapter->ptp);  in idpf_ptp_init()
992 	adapter->ptp = NULL;  in idpf_ptp_init()
998  * idpf_ptp_release - Clear PTP hardware clock support
1003 	struct idpf_ptp *ptp = adapter->ptp;  in idpf_ptp_release()  local
1005 	if (!ptp)  in idpf_ptp_release()
1008 	if (ptp->tx_tstamp_access != IDPF_PTP_NONE &&  in idpf_ptp_release()
1009 	    ptp->get_dev_clk_time_access != IDPF_PTP_NONE)  in idpf_ptp_release()
1012 	if (ptp->clock) {  in idpf_ptp_release()
1013 		if (adapter->ptp->get_dev_clk_time_access != IDPF_PTP_NONE)  in idpf_ptp_release()
1014 			ptp_cancel_worker_sync(adapter->ptp->clock);  in idpf_ptp_release()
1016 		ptp_clock_unregister(ptp->clock);  in idpf_ptp_release()
1019 	kfree(ptp);  in idpf_ptp_release()
1020 	adapter->ptp = NULL;  in idpf_ptp_release()