1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Force feedback support for hid-compliant for some of the devices from
5  * - WingMan Cordless RumblePad
6  * - WingMan Force 3D
8  *  Copyright (c) 2002-2004 Johann Deneux
15  * e-mail - mail your message to <johann.deneux@it.uu.se>
23 #include "hid-lg.h"
33 	-1
38 	-1
44 	-1
60 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in hid_lgff_play()
61 	struct hid_report *report = list_entry(report_list->next, struct hid_report, list);  in hid_lgff_play()
67 	switch (effect->type) {  in hid_lgff_play()
69 		x = effect->u.ramp.start_level + 0x7f;	/* 0x7f is center */  in hid_lgff_play()
70 		y = effect->u.ramp.end_level + 0x7f;  in hid_lgff_play()
73 		report->field[0]->value[0] = 0x51;  in hid_lgff_play()
74 		report->field[0]->value[1] = 0x08;  in hid_lgff_play()
75 		report->field[0]->value[2] = x;  in hid_lgff_play()
76 		report->field[0]->value[3] = y;  in hid_lgff_play()
82 		right = effect->u.rumble.strong_magnitude;  in hid_lgff_play()
83 		left = effect->u.rumble.weak_magnitude;  in hid_lgff_play()
88 		report->field[0]->value[0] = 0x42;  in hid_lgff_play()
89 		report->field[0]->value[1] = 0x00;  in hid_lgff_play()
90 		report->field[0]->value[2] = left;  in hid_lgff_play()
91 		report->field[0]->value[3] = right;  in hid_lgff_play()
102 	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;  in hid_lgff_set_autocenter()
103 	struct hid_report *report = list_entry(report_list->next, struct hid_report, list);  in hid_lgff_set_autocenter()
104 	__s32 *value = report->field[0]->value;  in hid_lgff_set_autocenter()
108 	*value++ = magnitude;   /* clockwise strength */  in hid_lgff_set_autocenter()
109 	*value++ = magnitude;   /* counter-clockwise strength */  in hid_lgff_set_autocenter()
124 	if (list_empty(&hid->inputs)) {  in lgff_init()
126 		return -ENODEV;  in lgff_init()
128 	hidinput = list_entry(hid->inputs.next, struct hid_input, list);  in lgff_init()
129 	dev = hidinput->input;  in lgff_init()
133 		return -ENODEV;  in lgff_init()
136 		if (dev->id.vendor == devices[i].idVendor &&  in lgff_init()
137 		    dev->id.product == devices[i].idProduct) {  in lgff_init()
144 		set_bit(ff_bits[i], dev->ffbit);  in lgff_init()
150 	if ( test_bit(FF_AUTOCENTER, dev->ffbit) )  in lgff_init()
151 		dev->ff->set_autocenter = hid_lgff_set_autocenter;  in lgff_init()