225 static bool supports_software(const struct usb4_port *usb4)  in supports_software()  argument
227 	return usb4->margining->caps[0] & USB4_MARGIN_CAP_0_MODES_SW;  in supports_software()
230 static bool supports_hardware(const struct usb4_port *usb4)  in supports_hardware()  argument
232 	return usb4->margining->caps[0] & USB4_MARGIN_CAP_0_MODES_HW;  in supports_hardware()
235 static bool both_lanes(const struct usb4_port *usb4)  in both_lanes()  argument
237 	return usb4->margining->caps[0] & USB4_MARGIN_CAP_0_2_LANES;  in both_lanes()
240 static unsigned int independent_voltage_margins(const struct usb4_port *usb4)  in independent_voltage_margins()  argument
242 	return (usb4->margining->caps[0] & USB4_MARGIN_CAP_0_VOLTAGE_INDP_MASK) >>  in independent_voltage_margins()
246 static bool supports_time(const struct usb4_port *usb4)  in supports_time()  argument
248 	return usb4->margining->caps[0] & USB4_MARGIN_CAP_0_TIME;  in supports_time()
252 static unsigned int independent_time_margins(const struct usb4_port *usb4)  in independent_time_margins()  argument
254 	return (usb4->margining->caps[1] & USB4_MARGIN_CAP_1_TIME_INDP_MASK) >>  in independent_time_margins()
264 	struct usb4_port *usb4 = port->usb4;  in margining_ber_level_write()  local
273 	if (usb4->margining->software) {  in margining_ber_level_write()
290 	if (val < usb4->margining->min_ber_level ||  in margining_ber_level_write()
291 	    val > usb4->margining->max_ber_level) {  in margining_ber_level_write()
296 	usb4->margining->ber_level = val;  in margining_ber_level_write()
317 	struct usb4_port *usb4 = port->usb4;  in margining_ber_level_show()  local
319 	if (usb4->margining->software)  in margining_ber_level_show()
321 	ber_level_show(s, usb4->margining->ber_level);  in margining_ber_level_show()
329 	struct usb4_port *usb4 = port->usb4;  in margining_caps_show()  local
337 	cap0 = usb4->margining->caps[0];  in margining_caps_show()
339 	cap1 = usb4->margining->caps[1];  in margining_caps_show()
343 		   supports_software(usb4) ? "yes" : "no");  in margining_caps_show()
344 	if (supports_hardware(usb4)) {  in margining_caps_show()
347 		ber_level_show(s, usb4->margining->min_ber_level);  in margining_caps_show()
349 		ber_level_show(s, usb4->margining->max_ber_level);  in margining_caps_show()
355 		  both_lanes(usb4) ? "yes" : "no");  in margining_caps_show()
357 		   usb4->margining->voltage_steps);  in margining_caps_show()
359 		   usb4->margining->max_voltage_offset);  in margining_caps_show()
361 	switch (independent_voltage_margins(usb4)) {  in margining_caps_show()
373 	if (supports_time(usb4)) {  in margining_caps_show()
378 		switch (independent_time_margins(usb4)) {  in margining_caps_show()
391 			   usb4->margining->time_steps);  in margining_caps_show()
393 			   usb4->margining->max_time_offset);  in margining_caps_show()
409 	struct usb4_port *usb4 = port->usb4;  in margining_lanes_write()  local
426 		usb4->margining->lanes = 0;  in margining_lanes_write()
428 		usb4->margining->lanes = 1;  in margining_lanes_write()
431 		if (both_lanes(usb4))  in margining_lanes_write()
432 			usb4->margining->lanes = 7;  in margining_lanes_write()
449 	struct usb4_port *usb4 = port->usb4;  in margining_lanes_show()  local
456 	lanes = usb4->margining->lanes;  in margining_lanes_show()
457 	if (both_lanes(usb4)) {  in margining_lanes_show()
482 	struct usb4_port *usb4 = port->usb4;  in margining_mode_write()  local
499 		if (supports_software(usb4))  in margining_mode_write()
500 			usb4->margining->software = true;  in margining_mode_write()
504 		if (supports_hardware(usb4))  in margining_mode_write()
505 			usb4->margining->software = false;  in margining_mode_write()
522 	const struct usb4_port *usb4 = port->usb4;  in margining_mode_show()  local
529 	if (supports_software(usb4)) {  in margining_mode_show()
530 		if (usb4->margining->software)  in margining_mode_show()
536 	if (supports_hardware(usb4)) {  in margining_mode_show()
537 		if (usb4->margining->software)  in margining_mode_show()
553 	struct usb4_port *usb4 = port->usb4;  in margining_run_write()  local
580 	margining = usb4->margining;  in margining_run_write()
620 	struct usb4_port *usb4 = port->usb4;  in margining_results_write()  local
627 	usb4->margining->results[0] = 0;  in margining_results_write()
628 	usb4->margining->results[1] = 0;  in margining_results_write()
663 	struct usb4_port *usb4 = port->usb4;  in margining_results_show()  local
670 	margining = usb4->margining;  in margining_results_show()
733 	struct usb4_port *usb4 = port->usb4;  in margining_test_write()  local
749 	if (!strcmp(buf, "time") && supports_time(usb4))  in margining_test_write()
750 		usb4->margining->time = true;  in margining_test_write()
752 		usb4->margining->time = false;  in margining_test_write()
766 	struct usb4_port *usb4 = port->usb4;  in margining_test_show()  local
772 	if (supports_time(usb4)) {  in margining_test_show()
773 		if (usb4->margining->time)  in margining_test_show()
792 	struct usb4_port *usb4 = port->usb4;  in margining_margin_write()  local
808 	if (usb4->margining->time) {  in margining_margin_write()
810 			usb4->margining->right_high = false;  in margining_margin_write()
812 			usb4->margining->right_high = true;  in margining_margin_write()
817 			usb4->margining->right_high = false;  in margining_margin_write()
819 			usb4->margining->right_high = true;  in margining_margin_write()
834 	struct usb4_port *usb4 = port->usb4;  in margining_margin_show()  local
840 	if (usb4->margining->time) {  in margining_margin_show()
841 		if (usb4->margining->right_high)  in margining_margin_show()
846 		if (usb4->margining->right_high)  in margining_margin_show()
861 	struct usb4_port *usb4;  in margining_port_init()  local
866 	usb4 = port->usb4;  in margining_port_init()
867 	if (!usb4)  in margining_port_init()
883 	usb4->margining = margining;  in margining_port_init()
886 	if (supports_software(usb4))  in margining_port_init()
896 	if (supports_time(usb4)) {  in margining_port_init()
910 	if (supports_hardware(usb4)) {  in margining_port_init()
930 	if (independent_voltage_margins(usb4) ||  in margining_port_init()
931 	    (supports_time(usb4) && independent_time_margins(usb4)))  in margining_port_init()
940 	if (!port->usb4)  in margining_port_remove()
947 	kfree(port->usb4->margining);  in margining_port_remove()
948 	port->usb4->margining = NULL;  in margining_port_remove()