1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  Force feedback support for Betop based devices
8  *  0x11c2:0x2208 "BTP2185 BFM mode Joystick"
9  *   - tested with BTP2185 BFM Mode.
11  *  0x11C0:0x5506 "BTP2185 PC mode Joystick"
12  *   - tested with BTP2185 PC Mode.
14  *  0x8380:0x1850 "BTP2185 V2 PC mode USB Gamepad"
15  *   - tested with BTP2185 PC Mode with another version.
17  *  0x20bc:0x5500 "BTP2185 V2 BFM mode Joystick"
18  *   - tested with BTP2171s.
31 #include "hid-ids.h"
44 	left = effect->u.rumble.strong_magnitude;  in hid_betopff_play()
45 	right = effect->u.rumble.weak_magnitude;  in hid_betopff_play()
47 	betopff->report->field[2]->value[0] = left / 256;  in hid_betopff_play()
48 	betopff->report->field[3]->value[0] = right / 256;  in hid_betopff_play()
50 	hid_hw_request(hid, betopff->report, HID_REQ_SET_REPORT);  in hid_betopff_play()
61 			&hid->report_enum[HID_OUTPUT_REPORT].report_list;  in betopff_init()
66 	if (list_empty(&hid->inputs)) {  in betopff_init()
68 		return -ENODEV;  in betopff_init()
71 	hidinput = list_first_entry(&hid->inputs, struct hid_input, list);  in betopff_init()
72 	dev = hidinput->input;  in betopff_init()
76 		return -ENODEV;  in betopff_init()
82 	 * -----------------------------------------  in betopff_init()
85 	 * -----------------------------------------  in betopff_init()
88 	if (report->maxfield < 4) {  in betopff_init()
90 				report->maxfield);  in betopff_init()
91 		return -ENODEV;  in betopff_init()
93 	for (i = 0; i < report->maxfield; i++) {  in betopff_init()
94 		if (report->field[i]->report_count < 1) {  in betopff_init()
96 			return -ENODEV;  in betopff_init()
98 		for (j = 0; j < report->field[i]->report_count; j++) {  in betopff_init()
99 			report->field[i]->value[j] = 0x00;  in betopff_init()
105 		return -ENOMEM;  in betopff_init()
107 	set_bit(FF_RUMBLE, dev->ffbit);  in betopff_init()
115 	betopff->report = report;  in betopff_init()
116 	hid_hw_request(hid, betopff->report, HID_REQ_SET_REPORT);  in betopff_init()
118 	hid_info(hid, "Force feedback for betop devices by huangbo <huangbobupt@163.com>\n");  in betopff_init()
127 	if (id->driver_data)  in betop_probe()
128 		hdev->quirks |= HID_QUIRK_MULTI_INPUT;  in betop_probe()
165 MODULE_DESCRIPTION("Force feedback support for Betop based devices");