1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Force feedback support for various HID compliant devices by ThrustMaster:
4 * ThrustMaster FireStorm Dual Power 2
5 * and possibly others whose device ids haven't been added.
7 * Modified to support ThrustMaster devices by Zinx Verituse
8 * on 2003-01-25 from the Logitech force feedback driver,
9 * which is by Johann Deneux.
11 * Copyright (c) 2003 Zinx Verituse <zinx@epicsol.org>
12 * Copyright (c) 2002 Johann Deneux
18 #include <linux/hid.h>
19 #include <linux/input.h>
20 #include <linux/slab.h>
21 #include <linux/module.h>
25 static const signed short ff_rumble[] = {
30 static const signed short ff_joystick[] = {
35 #ifdef CONFIG_THRUSTMASTER_FF
37 /* Usages for thrustmaster devices I know about */
38 #define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb)
41 struct hid_report *report;
42 struct hid_field *ff_field;
45 /* Changes values from 0 to 0xffff into values from minimum to maximum */
46 static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum)
50 ret = (in * (maximum - minimum) / 0xffff) + minimum;
58 /* Changes values from -0x80 to 0x7f into values from minimum to maximum */
59 static inline int tmff_scale_s8(int in, int minimum, int maximum)
63 ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum;
71 static int tmff_play(struct input_dev *dev, void *data,
72 struct ff_effect *effect)
74 struct hid_device *hid = input_get_drvdata(dev);
75 struct tmff_device *tmff = data;
76 struct hid_field *ff_field = tmff->ff_field;
78 int left, right; /* Rumbling */
80 switch (effect->type) {
82 x = tmff_scale_s8(effect->u.ramp.start_level,
83 ff_field->logical_minimum,
84 ff_field->logical_maximum);
85 y = tmff_scale_s8(effect->u.ramp.end_level,
86 ff_field->logical_minimum,
87 ff_field->logical_maximum);
89 dbg_hid("(x, y)=(%04x, %04x)\n", x, y);
90 ff_field->value[0] = x;
91 ff_field->value[1] = y;
92 hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
96 left = tmff_scale_u16(effect->u.rumble.weak_magnitude,
97 ff_field->logical_minimum,
98 ff_field->logical_maximum);
99 right = tmff_scale_u16(effect->u.rumble.strong_magnitude,
100 ff_field->logical_minimum,
101 ff_field->logical_maximum);
103 dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
104 ff_field->value[0] = left;
105 ff_field->value[1] = right;
106 hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
112 static int tmff_init(struct hid_device *hid, const signed short *ff_bits)
114 struct tmff_device *tmff;
115 struct hid_report *report;
116 struct list_head *report_list;
117 struct hid_input *hidinput = list_entry(hid->inputs.next,
118 struct hid_input, list);
119 struct input_dev *input_dev = hidinput->input;
123 tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
127 /* Find the report to use */
128 report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
129 list_for_each_entry(report, report_list, list) {
132 for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) {
133 struct hid_field *field = report->field[fieldnum];
135 if (field->maxusage <= 0)
138 switch (field->usage[0].hid) {
139 case THRUSTMASTER_USAGE_FF:
140 if (field->report_count < 2) {
141 hid_warn(hid, "ignoring FF field with report_count < 2\n");
145 if (field->logical_maximum ==
146 field->logical_minimum) {
147 hid_warn(hid, "ignoring FF field with logical_maximum == logical_minimum\n");
151 if (tmff->report && tmff->report != report) {
152 hid_warn(hid, "ignoring FF field in other report\n");
156 if (tmff->ff_field && tmff->ff_field != field) {
157 hid_warn(hid, "ignoring duplicate FF field\n");
161 tmff->report = report;
162 tmff->ff_field = field;
164 for (i = 0; ff_bits[i] >= 0; i++)
165 set_bit(ff_bits[i], input_dev->ffbit);
170 hid_warn(hid, "ignoring unknown output usage %08x\n",
171 field->usage[0].hid);
178 hid_err(hid, "can't find FF field in output reports\n");
183 error = input_ff_create_memless(input_dev, tmff, tmff_play);
187 hid_info(hid, "force feedback for ThrustMaster devices by Zinx Verituse <zinx@epicsol.org>\n");
195 static inline int tmff_init(struct hid_device *hid, const signed short *ff_bits)
201 static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id)
205 ret = hid_parse(hdev);
207 hid_err(hdev, "parse failed\n");
211 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
213 hid_err(hdev, "hw start failed\n");
217 tmff_init(hdev, (void *)id->driver_data);
224 static const struct hid_device_id tm_devices[] = {
225 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300),
226 .driver_data = (unsigned long)ff_rumble },
227 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304), /* FireStorm Dual Power 2 (and 3) */
228 .driver_data = (unsigned long)ff_rumble },
229 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323), /* Dual Trigger 3-in-1 (PC Mode) */
230 .driver_data = (unsigned long)ff_rumble },
231 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324), /* Dual Trigger 3-in-1 (PS3 Mode) */
232 .driver_data = (unsigned long)ff_rumble },
233 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb605), /* NASCAR PRO FF2 Wheel */
234 .driver_data = (unsigned long)ff_joystick },
235 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651), /* FGT Rumble Force Wheel */
236 .driver_data = (unsigned long)ff_rumble },
237 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653), /* RGT Force Feedback CLUTCH Raging Wheel */
238 .driver_data = (unsigned long)ff_joystick },
239 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */
240 .driver_data = (unsigned long)ff_joystick },
241 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a), /* F430 Force Feedback Wheel */
242 .driver_data = (unsigned long)ff_joystick },
245 MODULE_DEVICE_TABLE(hid, tm_devices);
247 static struct hid_driver tm_driver = {
248 .name = "thrustmaster",
249 .id_table = tm_devices,
252 module_hid_driver(tm_driver);
254 MODULE_LICENSE("GPL");