71 static void hid_lg4ff_set_range_dfp(struct hid_device *hid, u16 range);
72 static void hid_lg4ff_set_range_g25(struct hid_device *hid, u16 range);
88 	void (*set_range)(struct hid_device *hid, u16 range);
102 	void (*set_range)(struct hid_device *hid, u16 range);
271 int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field,  in lg4ff_adjust_input_event()  argument
278 		hid_err(hid, "Device properties not found");  in lg4ff_adjust_input_event()
299 	struct hid_device *hid = input_get_drvdata(dev);  in hid_lg4ff_play()  local
300 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in hid_lg4ff_play()
322 			hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_play()
334 		hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_play()
344 	struct hid_device *hid = input_get_drvdata(dev);  in hid_lg4ff_set_autocenter_default()  local
345 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in hid_lg4ff_set_autocenter_default()
352 	drv_data = hid_get_drvdata(hid);  in hid_lg4ff_set_autocenter_default()
354 		hid_err(hid, "Private driver data not found!\n");  in hid_lg4ff_set_autocenter_default()
360 		hid_err(hid, "Device properties not found!\n");  in hid_lg4ff_set_autocenter_default()
374 		hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_set_autocenter_default()
404 	hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_set_autocenter_default()
415 	hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_set_autocenter_default()
421 	struct hid_device *hid = input_get_drvdata(dev);  in hid_lg4ff_set_autocenter_ffex()  local
422 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in hid_lg4ff_set_autocenter_ffex()
435 	hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_set_autocenter_ffex()
439 static void hid_lg4ff_set_range_g25(struct hid_device *hid, u16 range)  in hid_lg4ff_set_range_g25()  argument
441 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in hid_lg4ff_set_range_g25()
455 	hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_set_range_g25()
459 static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range)  in hid_lg4ff_set_range_dfp()  argument
461 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in hid_lg4ff_set_range_dfp()
484 	hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_set_range_dfp()
496 		hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_set_range_dfp()
510 	hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in hid_lg4ff_set_range_dfp()
570 static int lg4ff_switch_compatibility_mode(struct hid_device *hid, const struct lg4ff_compat_mode_s…  in lg4ff_switch_compatibility_mode()  argument
572 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in lg4ff_switch_compatibility_mode()
583 		hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in lg4ff_switch_compatibility_mode()
585 	hid_hw_wait(hid);  in lg4ff_switch_compatibility_mode()
591 	struct hid_device *hid = to_hid_device(dev);  in lg4ff_alternate_modes_show()  local
597 	drv_data = hid_get_drvdata(hid);  in lg4ff_alternate_modes_show()
599 		hid_err(hid, "Private driver data not found!\n");  in lg4ff_alternate_modes_show()
605 		hid_err(hid, "Device properties not found!\n");  in lg4ff_alternate_modes_show()
610 		hid_err(hid, "NULL pointer to string\n");  in lg4ff_alternate_modes_show()
640 	struct hid_device *hid = to_hid_device(dev);  in lg4ff_alternate_modes_store()  local
648 	drv_data = hid_get_drvdata(hid);  in lg4ff_alternate_modes_store()
650 		hid_err(hid, "Private driver data not found!\n");  in lg4ff_alternate_modes_store()
656 		hid_err(hid, "Device properties not found!\n");  in lg4ff_alternate_modes_store()
690 		hid_info(hid, "Requested mode \"%s\" is not supported by the device\n", lbuf);  in lg4ff_alternate_modes_store()
701 …hid_info(hid, "\"%s\" cannot be switched to \"DF-EX\" mode. Load the \"hid_logitech\" module with …  in lg4ff_alternate_modes_store()
709 …hid_info(hid, "\"%s\" cannot be switched back into \"%s\" mode\n", entry->real_name, lg4ff_alterna…  in lg4ff_alternate_modes_store()
715 		hid_err(hid, "Invalid target product ID %X\n", target_product_id);  in lg4ff_alternate_modes_store()
719 	ret = lg4ff_switch_compatibility_mode(hid, s);  in lg4ff_alternate_modes_store()
728 	struct hid_device *hid = to_hid_device(dev);  in range_show()  local
733 	drv_data = hid_get_drvdata(hid);  in range_show()
735 		hid_err(hid, "Private driver data not found!\n");  in range_show()
741 		hid_err(hid, "Device properties not found!\n");  in range_show()
754 	struct hid_device *hid = to_hid_device(dev);  in range_store()  local
759 	drv_data = hid_get_drvdata(hid);  in range_store()
761 		hid_err(hid, "Private driver data not found!\n");  in range_store()
767 		hid_err(hid, "Device properties not found!\n");  in range_store()
777 		entry->set_range(hid, range);  in range_store()
787 	struct hid_device *hid = to_hid_device(dev);  in lg4ff_real_id_show()  local
792 	drv_data = hid_get_drvdata(hid);  in lg4ff_real_id_show()
794 		hid_err(hid, "Private driver data not found!\n");  in lg4ff_real_id_show()
800 		hid_err(hid, "Device properties not found!\n");  in lg4ff_real_id_show()
805 		hid_err(hid, "NULL pointer to string\n");  in lg4ff_real_id_show()
821 static void lg4ff_set_leds(struct hid_device *hid, __u8 leds)  in lg4ff_set_leds()  argument
823 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in lg4ff_set_leds()
834 	hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in lg4ff_set_leds()
841 	struct hid_device *hid = container_of(dev, struct hid_device, dev);  in lg4ff_led_set_brightness()  local
842 	struct lg_drv_data *drv_data = hid_get_drvdata(hid);  in lg4ff_led_set_brightness()
847 		hid_err(hid, "Device data not found.");  in lg4ff_led_set_brightness()
854 		hid_err(hid, "Device properties not found.");  in lg4ff_led_set_brightness()
864 			lg4ff_set_leds(hid, entry->led_state);  in lg4ff_led_set_brightness()
867 			lg4ff_set_leds(hid, entry->led_state);  in lg4ff_led_set_brightness()
876 	struct hid_device *hid = container_of(dev, struct hid_device, dev);  in lg4ff_led_get_brightness()  local
877 	struct lg_drv_data *drv_data = hid_get_drvdata(hid);  in lg4ff_led_get_brightness()
882 		hid_err(hid, "Device data not found.");  in lg4ff_led_get_brightness()
889 		hid_err(hid, "Device properties not found.");  in lg4ff_led_get_brightness()
903 static u16 lg4ff_identify_multimode_wheel(struct hid_device *hid, const u16 reported_product_id, co…  in lg4ff_identify_multimode_wheel()  argument
951 static int lg4ff_handle_multimode_wheel(struct hid_device *hid, u16 *real_product_id, const u16 bcd…  in lg4ff_handle_multimode_wheel()  argument
953 	const u16 reported_product_id = hid->product;  in lg4ff_handle_multimode_wheel()
956 	*real_product_id = lg4ff_identify_multimode_wheel(hid, reported_product_id, bcdDevice);  in lg4ff_handle_multimode_wheel()
972 			hid_err(hid, "Invalid product id %X\n", *real_product_id);  in lg4ff_handle_multimode_wheel()
976 		ret = lg4ff_switch_compatibility_mode(hid, s);  in lg4ff_handle_multimode_wheel()
980 			hid_err(hid, "Unable to switch wheel mode, errno %d\n", ret);  in lg4ff_handle_multimode_wheel()
990 int lg4ff_init(struct hid_device *hid)  in lg4ff_init()  argument
992 	struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);  in lg4ff_init()
994 	const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor);  in lg4ff_init()
1003 	if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7))  in lg4ff_init()
1008 	mmode_ret = lg4ff_handle_multimode_wheel(hid, &real_product_id, bcdDevice);  in lg4ff_init()
1018 		if (hid->product == lg4ff_devices[i].product_id) {  in lg4ff_init()
1025 …hid_err(hid, "Device is not supported by lg4ff driver. If you think it should be, consider reporti…  in lg4ff_init()
1037 			hid_err(hid, "Device product ID %X is not listed as a multimode wheel", real_product_id);  in lg4ff_init()
1052 	drv_data = hid_get_drvdata(hid);  in lg4ff_init()
1054 		hid_err(hid, "Cannot add device, private driver data not allocated\n");  in lg4ff_init()
1061 		hid_err(hid, "Cannot add device, insufficient memory to allocate device properties.\n");  in lg4ff_init()
1092 	error = device_create_file(&hid->dev, &dev_attr_range);  in lg4ff_init()
1096 		error = device_create_file(&hid->dev, &dev_attr_real_id);  in lg4ff_init()
1099 		error = device_create_file(&hid->dev, &dev_attr_alternate_modes);  in lg4ff_init()
1108 		entry->set_range(hid, entry->range);  in lg4ff_init()
1121 		lg4ff_set_leds(hid, 0);  in lg4ff_init()
1123 		name_sz = strlen(dev_name(&hid->dev)) + 8;  in lg4ff_init()
1128 				hid_err(hid, "can't allocate memory for LED %d\n", j);  in lg4ff_init()
1133 			snprintf(name, name_sz, "%s::RPM%d", dev_name(&hid->dev), j+1);  in lg4ff_init()
1141 			error = led_classdev_register(&hid->dev, led);  in lg4ff_init()
1144 				hid_err(hid, "failed to register LED %d. Aborting.\n", j);  in lg4ff_init()
1161 	hid_info(hid, "Force feedback support for Logitech Gaming Wheels\n");  in lg4ff_init()
1165 int lg4ff_deinit(struct hid_device *hid)  in lg4ff_deinit()  argument
1170 	drv_data = hid_get_drvdata(hid);  in lg4ff_deinit()
1172 		hid_err(hid, "Error while deinitializing device, no private driver data.\n");  in lg4ff_deinit()
1179 	device_remove_file(&hid->dev, &dev_attr_range);  in lg4ff_deinit()
1183 		device_remove_file(&hid->dev, &dev_attr_real_id);  in lg4ff_deinit()
1184 		device_remove_file(&hid->dev, &dev_attr_alternate_modes);  in lg4ff_deinit()