2 * Force feedback support for various HID compliant devices by ThrustMaster:
3 * ThrustMaster FireStorm Dual Power 2
4 * and possibly others whose device ids haven't been added.
6 * Modified to support ThrustMaster devices by Zinx Verituse
7 * on 2003-01-25 from the Logitech force feedback driver,
8 * which is by Johann Deneux.
10 * Copyright (c) 2003 Zinx Verituse <zinx@epicsol.org>
11 * Copyright (c) 2002 Johann Deneux
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 #include <linux/hid.h>
31 #include <linux/input.h>
32 #include <linux/slab.h>
33 #include <linux/module.h>
37 static const signed short ff_rumble[] = {
42 static const signed short ff_joystick[] = {
47 #ifdef CONFIG_THRUSTMASTER_FF
49 /* Usages for thrustmaster devices I know about */
50 #define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb)
53 struct hid_report *report;
54 struct hid_field *ff_field;
57 /* Changes values from 0 to 0xffff into values from minimum to maximum */
58 static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum)
62 ret = (in * (maximum - minimum) / 0xffff) + minimum;
70 /* Changes values from -0x80 to 0x7f into values from minimum to maximum */
71 static inline int tmff_scale_s8(int in, int minimum, int maximum)
75 ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum;
83 static int tmff_play(struct input_dev *dev, void *data,
84 struct ff_effect *effect)
86 struct hid_device *hid = input_get_drvdata(dev);
87 struct tmff_device *tmff = data;
88 struct hid_field *ff_field = tmff->ff_field;
90 int left, right; /* Rumbling */
92 switch (effect->type) {
94 x = tmff_scale_s8(effect->u.ramp.start_level,
95 ff_field->logical_minimum,
96 ff_field->logical_maximum);
97 y = tmff_scale_s8(effect->u.ramp.end_level,
98 ff_field->logical_minimum,
99 ff_field->logical_maximum);
101 dbg_hid("(x, y)=(%04x, %04x)\n", x, y);
102 ff_field->value[0] = x;
103 ff_field->value[1] = y;
104 hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
108 left = tmff_scale_u16(effect->u.rumble.weak_magnitude,
109 ff_field->logical_minimum,
110 ff_field->logical_maximum);
111 right = tmff_scale_u16(effect->u.rumble.strong_magnitude,
112 ff_field->logical_minimum,
113 ff_field->logical_maximum);
115 dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
116 ff_field->value[0] = left;
117 ff_field->value[1] = right;
118 hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
124 static int tmff_init(struct hid_device *hid, const signed short *ff_bits)
126 struct tmff_device *tmff;
127 struct hid_report *report;
128 struct list_head *report_list;
129 struct hid_input *hidinput = list_entry(hid->inputs.next,
130 struct hid_input, list);
131 struct input_dev *input_dev = hidinput->input;
135 tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
139 /* Find the report to use */
140 report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
141 list_for_each_entry(report, report_list, list) {
144 for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) {
145 struct hid_field *field = report->field[fieldnum];
147 if (field->maxusage <= 0)
150 switch (field->usage[0].hid) {
151 case THRUSTMASTER_USAGE_FF:
152 if (field->report_count < 2) {
153 hid_warn(hid, "ignoring FF field with report_count < 2\n");
157 if (field->logical_maximum ==
158 field->logical_minimum) {
159 hid_warn(hid, "ignoring FF field with logical_maximum == logical_minimum\n");
163 if (tmff->report && tmff->report != report) {
164 hid_warn(hid, "ignoring FF field in other report\n");
168 if (tmff->ff_field && tmff->ff_field != field) {
169 hid_warn(hid, "ignoring duplicate FF field\n");
173 tmff->report = report;
174 tmff->ff_field = field;
176 for (i = 0; ff_bits[i] >= 0; i++)
177 set_bit(ff_bits[i], input_dev->ffbit);
182 hid_warn(hid, "ignoring unknown output usage %08x\n",
183 field->usage[0].hid);
190 hid_err(hid, "can't find FF field in output reports\n");
195 error = input_ff_create_memless(input_dev, tmff, tmff_play);
199 hid_info(hid, "force feedback for ThrustMaster devices by Zinx Verituse <zinx@epicsol.org>\n");
207 static inline int tmff_init(struct hid_device *hid, const signed short *ff_bits)
213 static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id)
217 ret = hid_parse(hdev);
219 hid_err(hdev, "parse failed\n");
223 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
225 hid_err(hdev, "hw start failed\n");
229 tmff_init(hdev, (void *)id->driver_data);
236 static const struct hid_device_id tm_devices[] = {
237 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300),
238 .driver_data = (unsigned long)ff_rumble },
239 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304), /* FireStorm Dual Power 2 (and 3) */
240 .driver_data = (unsigned long)ff_rumble },
241 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323), /* Dual Trigger 3-in-1 (PC Mode) */
242 .driver_data = (unsigned long)ff_rumble },
243 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324), /* Dual Trigger 3-in-1 (PS3 Mode) */
244 .driver_data = (unsigned long)ff_rumble },
245 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651), /* FGT Rumble Force Wheel */
246 .driver_data = (unsigned long)ff_rumble },
247 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653), /* RGT Force Feedback CLUTCH Raging Wheel */
248 .driver_data = (unsigned long)ff_joystick },
249 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */
250 .driver_data = (unsigned long)ff_joystick },
251 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a), /* F430 Force Feedback Wheel */
252 .driver_data = (unsigned long)ff_joystick },
255 MODULE_DEVICE_TABLE(hid, tm_devices);
257 static struct hid_driver tm_driver = {
258 .name = "thrustmaster",
259 .id_table = tm_devices,
262 module_hid_driver(tm_driver);
264 MODULE_LICENSE("GPL");