1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * HID driver for some logitech "special" devices
4 *
5 * Copyright (c) 1999 Andreas Gal
6 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8 * Copyright (c) 2006-2007 Jiri Kosina
9 * Copyright (c) 2008 Jiri Slaby
10 * Copyright (c) 2010 Hendrik Iben
11 */
12
13 /*
14 */
15
16 #include <linux/device.h>
17 #include <linux/hid.h>
18 #include <linux/module.h>
19 #include <linux/random.h>
20 #include <linux/sched.h>
21 #include <linux/usb.h>
22 #include <linux/wait.h>
23
24 #include "usbhid/usbhid.h"
25 #include "hid-ids.h"
26 #include "hid-lg.h"
27 #include "hid-lg4ff.h"
28
29 #define LG_RDESC 0x001
30 #define LG_BAD_RELATIVE_KEYS 0x002
31 #define LG_DUPLICATE_USAGES 0x004
32 #define LG_EXPANDED_KEYMAP 0x010
33 #define LG_IGNORE_DOUBLED_WHEEL 0x020
34 #define LG_WIRELESS 0x040
35 #define LG_INVERT_HWHEEL 0x080
36 #define LG_NOGET 0x100
37 #define LG_FF 0x200
38 #define LG_FF2 0x400
39 #define LG_RDESC_REL_ABS 0x800
40 #define LG_FF3 0x1000
41 #define LG_FF4 0x2000
42
43 /* Size of the original descriptors of the Driving Force (and Pro) wheels */
44 #define DF_RDESC_ORIG_SIZE 130
45 #define DFP_RDESC_ORIG_SIZE 97
46 #define FV_RDESC_ORIG_SIZE 130
47 #define MOMO_RDESC_ORIG_SIZE 87
48 #define MOMO2_RDESC_ORIG_SIZE 87
49 #define FFG_RDESC_ORIG_SIZE 85
50 #define FG_RDESC_ORIG_SIZE 82
51
52 /* Fixed report descriptors for Logitech Driving Force (and Pro)
53 * wheel controllers
54 *
55 * The original descriptors hide the separate throttle and brake axes in
56 * a custom vendor usage page, providing only a combined value as
57 * GenericDesktop.Y.
58 * These descriptors remove the combined Y axis and instead report
59 * separate throttle (Y) and brake (RZ).
60 */
61 static const __u8 df_rdesc_fixed[] = {
62 0x05, 0x01, /* Usage Page (Desktop), */
63 0x09, 0x04, /* Usage (Joystick), */
64 0xA1, 0x01, /* Collection (Application), */
65 0xA1, 0x02, /* Collection (Logical), */
66 0x95, 0x01, /* Report Count (1), */
67 0x75, 0x0A, /* Report Size (10), */
68 0x14, /* Logical Minimum (0), */
69 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
70 0x34, /* Physical Minimum (0), */
71 0x46, 0xFF, 0x03, /* Physical Maximum (1023), */
72 0x09, 0x30, /* Usage (X), */
73 0x81, 0x02, /* Input (Variable), */
74 0x95, 0x0C, /* Report Count (12), */
75 0x75, 0x01, /* Report Size (1), */
76 0x25, 0x01, /* Logical Maximum (1), */
77 0x45, 0x01, /* Physical Maximum (1), */
78 0x05, 0x09, /* Usage (Buttons), */
79 0x19, 0x01, /* Usage Minimum (1), */
80 0x29, 0x0c, /* Usage Maximum (12), */
81 0x81, 0x02, /* Input (Variable), */
82 0x95, 0x02, /* Report Count (2), */
83 0x06, 0x00, 0xFF, /* Usage Page (Vendor: 65280), */
84 0x09, 0x01, /* Usage (?: 1), */
85 0x81, 0x02, /* Input (Variable), */
86 0x05, 0x01, /* Usage Page (Desktop), */
87 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
88 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
89 0x95, 0x01, /* Report Count (1), */
90 0x75, 0x08, /* Report Size (8), */
91 0x81, 0x02, /* Input (Variable), */
92 0x25, 0x07, /* Logical Maximum (7), */
93 0x46, 0x3B, 0x01, /* Physical Maximum (315), */
94 0x75, 0x04, /* Report Size (4), */
95 0x65, 0x14, /* Unit (Degrees), */
96 0x09, 0x39, /* Usage (Hat Switch), */
97 0x81, 0x42, /* Input (Variable, Null State), */
98 0x75, 0x01, /* Report Size (1), */
99 0x95, 0x04, /* Report Count (4), */
100 0x65, 0x00, /* Unit (none), */
101 0x06, 0x00, 0xFF, /* Usage Page (Vendor: 65280), */
102 0x09, 0x01, /* Usage (?: 1), */
103 0x25, 0x01, /* Logical Maximum (1), */
104 0x45, 0x01, /* Physical Maximum (1), */
105 0x81, 0x02, /* Input (Variable), */
106 0x05, 0x01, /* Usage Page (Desktop), */
107 0x95, 0x01, /* Report Count (1), */
108 0x75, 0x08, /* Report Size (8), */
109 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
110 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
111 0x09, 0x31, /* Usage (Y), */
112 0x81, 0x02, /* Input (Variable), */
113 0x09, 0x35, /* Usage (Rz), */
114 0x81, 0x02, /* Input (Variable), */
115 0xC0, /* End Collection, */
116 0xA1, 0x02, /* Collection (Logical), */
117 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
118 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
119 0x95, 0x07, /* Report Count (7), */
120 0x75, 0x08, /* Report Size (8), */
121 0x09, 0x03, /* Usage (?: 3), */
122 0x91, 0x02, /* Output (Variable), */
123 0xC0, /* End Collection, */
124 0xC0 /* End Collection */
125 };
126
127 static const __u8 dfp_rdesc_fixed[] = {
128 0x05, 0x01, /* Usage Page (Desktop), */
129 0x09, 0x04, /* Usage (Joystick), */
130 0xA1, 0x01, /* Collection (Application), */
131 0xA1, 0x02, /* Collection (Logical), */
132 0x95, 0x01, /* Report Count (1), */
133 0x75, 0x0E, /* Report Size (14), */
134 0x14, /* Logical Minimum (0), */
135 0x26, 0xFF, 0x3F, /* Logical Maximum (16383), */
136 0x34, /* Physical Minimum (0), */
137 0x46, 0xFF, 0x3F, /* Physical Maximum (16383), */
138 0x09, 0x30, /* Usage (X), */
139 0x81, 0x02, /* Input (Variable), */
140 0x95, 0x0E, /* Report Count (14), */
141 0x75, 0x01, /* Report Size (1), */
142 0x25, 0x01, /* Logical Maximum (1), */
143 0x45, 0x01, /* Physical Maximum (1), */
144 0x05, 0x09, /* Usage Page (Button), */
145 0x19, 0x01, /* Usage Minimum (01h), */
146 0x29, 0x0E, /* Usage Maximum (0Eh), */
147 0x81, 0x02, /* Input (Variable), */
148 0x05, 0x01, /* Usage Page (Desktop), */
149 0x95, 0x01, /* Report Count (1), */
150 0x75, 0x04, /* Report Size (4), */
151 0x25, 0x07, /* Logical Maximum (7), */
152 0x46, 0x3B, 0x01, /* Physical Maximum (315), */
153 0x65, 0x14, /* Unit (Degrees), */
154 0x09, 0x39, /* Usage (Hat Switch), */
155 0x81, 0x42, /* Input (Variable, Nullstate), */
156 0x65, 0x00, /* Unit, */
157 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
158 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
159 0x75, 0x08, /* Report Size (8), */
160 0x81, 0x01, /* Input (Constant), */
161 0x09, 0x31, /* Usage (Y), */
162 0x81, 0x02, /* Input (Variable), */
163 0x09, 0x35, /* Usage (Rz), */
164 0x81, 0x02, /* Input (Variable), */
165 0x81, 0x01, /* Input (Constant), */
166 0xC0, /* End Collection, */
167 0xA1, 0x02, /* Collection (Logical), */
168 0x09, 0x02, /* Usage (02h), */
169 0x95, 0x07, /* Report Count (7), */
170 0x91, 0x02, /* Output (Variable), */
171 0xC0, /* End Collection, */
172 0xC0 /* End Collection */
173 };
174
175 static const __u8 fv_rdesc_fixed[] = {
176 0x05, 0x01, /* Usage Page (Desktop), */
177 0x09, 0x04, /* Usage (Joystick), */
178 0xA1, 0x01, /* Collection (Application), */
179 0xA1, 0x02, /* Collection (Logical), */
180 0x95, 0x01, /* Report Count (1), */
181 0x75, 0x0A, /* Report Size (10), */
182 0x15, 0x00, /* Logical Minimum (0), */
183 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
184 0x35, 0x00, /* Physical Minimum (0), */
185 0x46, 0xFF, 0x03, /* Physical Maximum (1023), */
186 0x09, 0x30, /* Usage (X), */
187 0x81, 0x02, /* Input (Variable), */
188 0x95, 0x0C, /* Report Count (12), */
189 0x75, 0x01, /* Report Size (1), */
190 0x25, 0x01, /* Logical Maximum (1), */
191 0x45, 0x01, /* Physical Maximum (1), */
192 0x05, 0x09, /* Usage Page (Button), */
193 0x19, 0x01, /* Usage Minimum (01h), */
194 0x29, 0x0C, /* Usage Maximum (0Ch), */
195 0x81, 0x02, /* Input (Variable), */
196 0x95, 0x02, /* Report Count (2), */
197 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
198 0x09, 0x01, /* Usage (01h), */
199 0x81, 0x02, /* Input (Variable), */
200 0x09, 0x02, /* Usage (02h), */
201 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
202 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
203 0x95, 0x01, /* Report Count (1), */
204 0x75, 0x08, /* Report Size (8), */
205 0x81, 0x02, /* Input (Variable), */
206 0x05, 0x01, /* Usage Page (Desktop), */
207 0x25, 0x07, /* Logical Maximum (7), */
208 0x46, 0x3B, 0x01, /* Physical Maximum (315), */
209 0x75, 0x04, /* Report Size (4), */
210 0x65, 0x14, /* Unit (Degrees), */
211 0x09, 0x39, /* Usage (Hat Switch), */
212 0x81, 0x42, /* Input (Variable, Null State), */
213 0x75, 0x01, /* Report Size (1), */
214 0x95, 0x04, /* Report Count (4), */
215 0x65, 0x00, /* Unit, */
216 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
217 0x09, 0x01, /* Usage (01h), */
218 0x25, 0x01, /* Logical Maximum (1), */
219 0x45, 0x01, /* Physical Maximum (1), */
220 0x81, 0x02, /* Input (Variable), */
221 0x05, 0x01, /* Usage Page (Desktop), */
222 0x95, 0x01, /* Report Count (1), */
223 0x75, 0x08, /* Report Size (8), */
224 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
225 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
226 0x09, 0x31, /* Usage (Y), */
227 0x81, 0x02, /* Input (Variable), */
228 0x09, 0x32, /* Usage (Z), */
229 0x81, 0x02, /* Input (Variable), */
230 0xC0, /* End Collection, */
231 0xA1, 0x02, /* Collection (Logical), */
232 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
233 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
234 0x95, 0x07, /* Report Count (7), */
235 0x75, 0x08, /* Report Size (8), */
236 0x09, 0x03, /* Usage (03h), */
237 0x91, 0x02, /* Output (Variable), */
238 0xC0, /* End Collection, */
239 0xC0 /* End Collection */
240 };
241
242 static const __u8 momo_rdesc_fixed[] = {
243 0x05, 0x01, /* Usage Page (Desktop), */
244 0x09, 0x04, /* Usage (Joystick), */
245 0xA1, 0x01, /* Collection (Application), */
246 0xA1, 0x02, /* Collection (Logical), */
247 0x95, 0x01, /* Report Count (1), */
248 0x75, 0x0A, /* Report Size (10), */
249 0x15, 0x00, /* Logical Minimum (0), */
250 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
251 0x35, 0x00, /* Physical Minimum (0), */
252 0x46, 0xFF, 0x03, /* Physical Maximum (1023), */
253 0x09, 0x30, /* Usage (X), */
254 0x81, 0x02, /* Input (Variable), */
255 0x95, 0x08, /* Report Count (8), */
256 0x75, 0x01, /* Report Size (1), */
257 0x25, 0x01, /* Logical Maximum (1), */
258 0x45, 0x01, /* Physical Maximum (1), */
259 0x05, 0x09, /* Usage Page (Button), */
260 0x19, 0x01, /* Usage Minimum (01h), */
261 0x29, 0x08, /* Usage Maximum (08h), */
262 0x81, 0x02, /* Input (Variable), */
263 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
264 0x75, 0x0E, /* Report Size (14), */
265 0x95, 0x01, /* Report Count (1), */
266 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
267 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
268 0x09, 0x00, /* Usage (00h), */
269 0x81, 0x02, /* Input (Variable), */
270 0x05, 0x01, /* Usage Page (Desktop), */
271 0x75, 0x08, /* Report Size (8), */
272 0x09, 0x31, /* Usage (Y), */
273 0x81, 0x02, /* Input (Variable), */
274 0x09, 0x32, /* Usage (Z), */
275 0x81, 0x02, /* Input (Variable), */
276 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
277 0x09, 0x01, /* Usage (01h), */
278 0x81, 0x02, /* Input (Variable), */
279 0xC0, /* End Collection, */
280 0xA1, 0x02, /* Collection (Logical), */
281 0x09, 0x02, /* Usage (02h), */
282 0x95, 0x07, /* Report Count (7), */
283 0x91, 0x02, /* Output (Variable), */
284 0xC0, /* End Collection, */
285 0xC0 /* End Collection */
286 };
287
288 static const __u8 momo2_rdesc_fixed[] = {
289 0x05, 0x01, /* Usage Page (Desktop), */
290 0x09, 0x04, /* Usage (Joystick), */
291 0xA1, 0x01, /* Collection (Application), */
292 0xA1, 0x02, /* Collection (Logical), */
293 0x95, 0x01, /* Report Count (1), */
294 0x75, 0x0A, /* Report Size (10), */
295 0x15, 0x00, /* Logical Minimum (0), */
296 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
297 0x35, 0x00, /* Physical Minimum (0), */
298 0x46, 0xFF, 0x03, /* Physical Maximum (1023), */
299 0x09, 0x30, /* Usage (X), */
300 0x81, 0x02, /* Input (Variable), */
301 0x95, 0x0A, /* Report Count (10), */
302 0x75, 0x01, /* Report Size (1), */
303 0x25, 0x01, /* Logical Maximum (1), */
304 0x45, 0x01, /* Physical Maximum (1), */
305 0x05, 0x09, /* Usage Page (Button), */
306 0x19, 0x01, /* Usage Minimum (01h), */
307 0x29, 0x0A, /* Usage Maximum (0Ah), */
308 0x81, 0x02, /* Input (Variable), */
309 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
310 0x09, 0x00, /* Usage (00h), */
311 0x95, 0x04, /* Report Count (4), */
312 0x81, 0x02, /* Input (Variable), */
313 0x95, 0x01, /* Report Count (1), */
314 0x75, 0x08, /* Report Size (8), */
315 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
316 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
317 0x09, 0x01, /* Usage (01h), */
318 0x81, 0x02, /* Input (Variable), */
319 0x05, 0x01, /* Usage Page (Desktop), */
320 0x09, 0x31, /* Usage (Y), */
321 0x81, 0x02, /* Input (Variable), */
322 0x09, 0x32, /* Usage (Z), */
323 0x81, 0x02, /* Input (Variable), */
324 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
325 0x09, 0x00, /* Usage (00h), */
326 0x81, 0x02, /* Input (Variable), */
327 0xC0, /* End Collection, */
328 0xA1, 0x02, /* Collection (Logical), */
329 0x09, 0x02, /* Usage (02h), */
330 0x95, 0x07, /* Report Count (7), */
331 0x91, 0x02, /* Output (Variable), */
332 0xC0, /* End Collection, */
333 0xC0 /* End Collection */
334 };
335
336 static const __u8 ffg_rdesc_fixed[] = {
337 0x05, 0x01, /* Usage Page (Desktop), */
338 0x09, 0x04, /* Usage (Joystik), */
339 0xA1, 0x01, /* Collection (Application), */
340 0xA1, 0x02, /* Collection (Logical), */
341 0x95, 0x01, /* Report Count (1), */
342 0x75, 0x0A, /* Report Size (10), */
343 0x15, 0x00, /* Logical Minimum (0), */
344 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
345 0x35, 0x00, /* Physical Minimum (0), */
346 0x46, 0xFF, 0x03, /* Physical Maximum (1023), */
347 0x09, 0x30, /* Usage (X), */
348 0x81, 0x02, /* Input (Variable), */
349 0x95, 0x06, /* Report Count (6), */
350 0x75, 0x01, /* Report Size (1), */
351 0x25, 0x01, /* Logical Maximum (1), */
352 0x45, 0x01, /* Physical Maximum (1), */
353 0x05, 0x09, /* Usage Page (Button), */
354 0x19, 0x01, /* Usage Minimum (01h), */
355 0x29, 0x06, /* Usage Maximum (06h), */
356 0x81, 0x02, /* Input (Variable), */
357 0x95, 0x01, /* Report Count (1), */
358 0x75, 0x08, /* Report Size (8), */
359 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
360 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
361 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
362 0x09, 0x01, /* Usage (01h), */
363 0x81, 0x02, /* Input (Variable), */
364 0x05, 0x01, /* Usage Page (Desktop), */
365 0x81, 0x01, /* Input (Constant), */
366 0x09, 0x31, /* Usage (Y), */
367 0x81, 0x02, /* Input (Variable), */
368 0x09, 0x32, /* Usage (Z), */
369 0x81, 0x02, /* Input (Variable), */
370 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
371 0x09, 0x01, /* Usage (01h), */
372 0x81, 0x02, /* Input (Variable), */
373 0xC0, /* End Collection, */
374 0xA1, 0x02, /* Collection (Logical), */
375 0x09, 0x02, /* Usage (02h), */
376 0x95, 0x07, /* Report Count (7), */
377 0x91, 0x02, /* Output (Variable), */
378 0xC0, /* End Collection, */
379 0xC0 /* End Collection */
380 };
381
382 static const __u8 fg_rdesc_fixed[] = {
383 0x05, 0x01, /* Usage Page (Desktop), */
384 0x09, 0x04, /* Usage (Joystik), */
385 0xA1, 0x01, /* Collection (Application), */
386 0xA1, 0x02, /* Collection (Logical), */
387 0x15, 0x00, /* Logical Minimum (0), */
388 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
389 0x35, 0x00, /* Physical Minimum (0), */
390 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
391 0x75, 0x08, /* Report Size (8), */
392 0x95, 0x01, /* Report Count (1), */
393 0x09, 0x30, /* Usage (X), */
394 0x81, 0x02, /* Input (Variable), */
395 0xA4, /* Push, */
396 0x25, 0x01, /* Logical Maximum (1), */
397 0x45, 0x01, /* Physical Maximum (1), */
398 0x75, 0x01, /* Report Size (1), */
399 0x95, 0x02, /* Report Count (2), */
400 0x81, 0x01, /* Input (Constant), */
401 0x95, 0x06, /* Report Count (6), */
402 0x05, 0x09, /* Usage Page (Button), */
403 0x19, 0x01, /* Usage Minimum (01h), */
404 0x29, 0x06, /* Usage Maximum (06h), */
405 0x81, 0x02, /* Input (Variable), */
406 0x05, 0x01, /* Usage Page (Desktop), */
407 0xB4, /* Pop, */
408 0x81, 0x02, /* Input (Constant), */
409 0x09, 0x31, /* Usage (Y), */
410 0x81, 0x02, /* Input (Variable), */
411 0x09, 0x32, /* Usage (Z), */
412 0x81, 0x02, /* Input (Variable), */
413 0xC0, /* End Collection, */
414 0xA1, 0x02, /* Collection (Logical), */
415 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
416 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
417 0x75, 0x08, /* Report Size (8), */
418 0x95, 0x04, /* Report Count (4), */
419 0x09, 0x02, /* Usage (02h), */
420 0xB1, 0x02, /* Feature (Variable), */
421 0xC0, /* End Collection, */
422 0xC0 /* End Collection, */
423 };
424
425 /*
426 * Certain Logitech keyboards send in report #3 keys which are far
427 * above the logical maximum described in descriptor. This extends
428 * the original value of 0x28c of logical maximum to 0x104d
429 */
lg_report_fixup(struct hid_device * hdev,__u8 * rdesc,unsigned int * rsize)430 static const __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
431 unsigned int *rsize)
432 {
433 struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
434
435 if ((drv_data->quirks & LG_RDESC) && *rsize >= 91 && rdesc[83] == 0x26 &&
436 rdesc[84] == 0x8c && rdesc[85] == 0x02) {
437 hid_info(hdev,
438 "fixing up Logitech keyboard report descriptor\n");
439 rdesc[84] = rdesc[89] = 0x4d;
440 rdesc[85] = rdesc[90] = 0x10;
441 }
442 if ((drv_data->quirks & LG_RDESC_REL_ABS) && *rsize >= 51 &&
443 rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
444 rdesc[49] == 0x81 && rdesc[50] == 0x06) {
445 hid_info(hdev,
446 "fixing up rel/abs in Logitech report descriptor\n");
447 rdesc[33] = rdesc[50] = 0x02;
448 }
449
450 switch (hdev->product) {
451
452 case USB_DEVICE_ID_LOGITECH_WINGMAN_FG:
453 if (*rsize == FG_RDESC_ORIG_SIZE) {
454 hid_info(hdev,
455 "fixing up Logitech Wingman Formula GP report descriptor\n");
456 *rsize = sizeof(fg_rdesc_fixed);
457 return fg_rdesc_fixed;
458 } else {
459 hid_info(hdev,
460 "rdesc size test failed for formula gp\n");
461 }
462 break;
463
464
465 case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
466 if (*rsize == FFG_RDESC_ORIG_SIZE) {
467 hid_info(hdev,
468 "fixing up Logitech Wingman Formula Force GP report descriptor\n");
469 *rsize = sizeof(ffg_rdesc_fixed);
470 return ffg_rdesc_fixed;
471 }
472 break;
473
474 /* Several wheels report as this id when operating in emulation mode. */
475 case USB_DEVICE_ID_LOGITECH_WHEEL:
476 if (*rsize == DF_RDESC_ORIG_SIZE) {
477 hid_info(hdev,
478 "fixing up Logitech Driving Force report descriptor\n");
479 *rsize = sizeof(df_rdesc_fixed);
480 return df_rdesc_fixed;
481 }
482 break;
483
484 case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
485 if (*rsize == MOMO_RDESC_ORIG_SIZE) {
486 hid_info(hdev,
487 "fixing up Logitech Momo Force (Red) report descriptor\n");
488 *rsize = sizeof(momo_rdesc_fixed);
489 return momo_rdesc_fixed;
490 }
491 break;
492
493 case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
494 if (*rsize == MOMO2_RDESC_ORIG_SIZE) {
495 hid_info(hdev,
496 "fixing up Logitech Momo Racing Force (Black) report descriptor\n");
497 *rsize = sizeof(momo2_rdesc_fixed);
498 return momo2_rdesc_fixed;
499 }
500 break;
501
502 case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
503 if (*rsize == FV_RDESC_ORIG_SIZE) {
504 hid_info(hdev,
505 "fixing up Logitech Formula Vibration report descriptor\n");
506 *rsize = sizeof(fv_rdesc_fixed);
507 return fv_rdesc_fixed;
508 }
509 break;
510
511 case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
512 if (*rsize == DFP_RDESC_ORIG_SIZE) {
513 hid_info(hdev,
514 "fixing up Logitech Driving Force Pro report descriptor\n");
515 *rsize = sizeof(dfp_rdesc_fixed);
516 return dfp_rdesc_fixed;
517 }
518 break;
519
520 case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
521 if (*rsize >= 101 && rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
522 rdesc[47] == 0x05 && rdesc[48] == 0x09) {
523 hid_info(hdev, "fixing up Logitech Speed Force Wireless report descriptor\n");
524 rdesc[41] = 0x05;
525 rdesc[42] = 0x09;
526 rdesc[47] = 0x95;
527 rdesc[48] = 0x0B;
528 }
529 break;
530 }
531
532 return rdesc;
533 }
534
535 #define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
536 EV_KEY, (c))
537
lg_ultrax_remote_mapping(struct hid_input * hi,struct hid_usage * usage,unsigned long ** bit,int * max)538 static int lg_ultrax_remote_mapping(struct hid_input *hi,
539 struct hid_usage *usage, unsigned long **bit, int *max)
540 {
541 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
542 return 0;
543
544 set_bit(EV_REP, hi->input->evbit);
545 switch (usage->hid & HID_USAGE) {
546 /* Reported on Logitech Ultra X Media Remote */
547 case 0x004: lg_map_key_clear(KEY_AGAIN); break;
548 case 0x00d: lg_map_key_clear(KEY_HOME); break;
549 case 0x024: lg_map_key_clear(KEY_SHUFFLE); break;
550 case 0x025: lg_map_key_clear(KEY_TV); break;
551 case 0x026: lg_map_key_clear(KEY_MENU); break;
552 case 0x031: lg_map_key_clear(KEY_AUDIO); break;
553 case 0x032: lg_map_key_clear(KEY_TEXT); break;
554 case 0x033: lg_map_key_clear(KEY_LAST); break;
555 case 0x047: lg_map_key_clear(KEY_MP3); break;
556 case 0x048: lg_map_key_clear(KEY_DVD); break;
557 case 0x049: lg_map_key_clear(KEY_MEDIA); break;
558 case 0x04a: lg_map_key_clear(KEY_VIDEO); break;
559 case 0x04b: lg_map_key_clear(KEY_ANGLE); break;
560 case 0x04c: lg_map_key_clear(KEY_LANGUAGE); break;
561 case 0x04d: lg_map_key_clear(KEY_SUBTITLE); break;
562 case 0x051: lg_map_key_clear(KEY_RED); break;
563 case 0x052: lg_map_key_clear(KEY_CLOSE); break;
564
565 default:
566 return 0;
567 }
568 return 1;
569 }
570
lg_wireless_mapping(struct hid_input * hi,struct hid_usage * usage,unsigned long ** bit,int * max)571 static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
572 unsigned long **bit, int *max)
573 {
574 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
575 return 0;
576
577 switch (usage->hid & HID_USAGE) {
578 case 0x1001: lg_map_key_clear(KEY_MESSENGER); break;
579 case 0x1003: lg_map_key_clear(KEY_SOUND); break;
580 case 0x1004: lg_map_key_clear(KEY_VIDEO); break;
581 case 0x1005: lg_map_key_clear(KEY_AUDIO); break;
582 case 0x100a: lg_map_key_clear(KEY_DOCUMENTS); break;
583 /* The following two entries are Playlist 1 and 2 on the MX3200 */
584 case 0x100f: lg_map_key_clear(KEY_FN_1); break;
585 case 0x1010: lg_map_key_clear(KEY_FN_2); break;
586 case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG); break;
587 case 0x1012: lg_map_key_clear(KEY_NEXTSONG); break;
588 case 0x1013: lg_map_key_clear(KEY_CAMERA); break;
589 case 0x1014: lg_map_key_clear(KEY_MESSENGER); break;
590 case 0x1015: lg_map_key_clear(KEY_RECORD); break;
591 case 0x1016: lg_map_key_clear(KEY_PLAYER); break;
592 case 0x1017: lg_map_key_clear(KEY_EJECTCD); break;
593 case 0x1018: lg_map_key_clear(KEY_MEDIA); break;
594 case 0x1019: lg_map_key_clear(KEY_PROG1); break;
595 case 0x101a: lg_map_key_clear(KEY_PROG2); break;
596 case 0x101b: lg_map_key_clear(KEY_PROG3); break;
597 case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS); break;
598 case 0x101f: lg_map_key_clear(KEY_ZOOMIN); break;
599 case 0x1020: lg_map_key_clear(KEY_ZOOMOUT); break;
600 case 0x1021: lg_map_key_clear(KEY_ZOOMRESET); break;
601 case 0x1023: lg_map_key_clear(KEY_CLOSE); break;
602 case 0x1027: lg_map_key_clear(KEY_MENU); break;
603 /* this one is marked as 'Rotate' */
604 case 0x1028: lg_map_key_clear(KEY_ANGLE); break;
605 case 0x1029: lg_map_key_clear(KEY_SHUFFLE); break;
606 case 0x102a: lg_map_key_clear(KEY_BACK); break;
607 case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS); break;
608 case 0x102d: lg_map_key_clear(KEY_WWW); break;
609 /* The following two are 'Start/answer call' and 'End/reject call'
610 on the MX3200 */
611 case 0x1031: lg_map_key_clear(KEY_OK); break;
612 case 0x1032: lg_map_key_clear(KEY_CANCEL); break;
613 case 0x1041: lg_map_key_clear(KEY_BATTERY); break;
614 case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR); break;
615 case 0x1043: lg_map_key_clear(KEY_SPREADSHEET); break;
616 case 0x1044: lg_map_key_clear(KEY_PRESENTATION); break;
617 case 0x1045: lg_map_key_clear(KEY_UNDO); break;
618 case 0x1046: lg_map_key_clear(KEY_REDO); break;
619 case 0x1047: lg_map_key_clear(KEY_PRINT); break;
620 case 0x1048: lg_map_key_clear(KEY_SAVE); break;
621 case 0x1049: lg_map_key_clear(KEY_PROG1); break;
622 case 0x104a: lg_map_key_clear(KEY_PROG2); break;
623 case 0x104b: lg_map_key_clear(KEY_PROG3); break;
624 case 0x104c: lg_map_key_clear(KEY_PROG4); break;
625
626 default:
627 return 0;
628 }
629 return 1;
630 }
631
lg_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)632 static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
633 struct hid_field *field, struct hid_usage *usage,
634 unsigned long **bit, int *max)
635 {
636 /* extended mapping for certain Logitech hardware (Logitech cordless
637 desktop LX500) */
638 static const u8 e_keymap[] = {
639 0,216, 0,213,175,156, 0, 0, 0, 0,
640 144, 0, 0, 0, 0, 0, 0, 0, 0,212,
641 174,167,152,161,112, 0, 0, 0,154, 0,
642 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
643 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
644 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
645 0, 0, 0, 0, 0,183,184,185,186,187,
646 188,189,190,191,192,193,194, 0, 0, 0
647 };
648 struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
649 unsigned int hid = usage->hid;
650
651 if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
652 lg_ultrax_remote_mapping(hi, usage, bit, max))
653 return 1;
654
655 if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
656 return 1;
657
658 if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
659 return 0;
660
661 hid &= HID_USAGE;
662
663 /* Special handling for Logitech Cordless Desktop */
664 if (field->application == HID_GD_MOUSE) {
665 if ((drv_data->quirks & LG_IGNORE_DOUBLED_WHEEL) &&
666 (hid == 7 || hid == 8))
667 return -1;
668 } else {
669 if ((drv_data->quirks & LG_EXPANDED_KEYMAP) &&
670 hid < ARRAY_SIZE(e_keymap) &&
671 e_keymap[hid] != 0) {
672 hid_map_usage(hi, usage, bit, max, EV_KEY,
673 e_keymap[hid]);
674 return 1;
675 }
676 }
677
678 return 0;
679 }
680
lg_input_mapped(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)681 static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
682 struct hid_field *field, struct hid_usage *usage,
683 unsigned long **bit, int *max)
684 {
685 struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
686
687 if ((drv_data->quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
688 (field->flags & HID_MAIN_ITEM_RELATIVE))
689 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
690
691 if ((drv_data->quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
692 usage->type == EV_REL || usage->type == EV_ABS))
693 clear_bit(usage->code, *bit);
694
695 /* Ensure that Logitech wheels are not given a default fuzz/flat value */
696 if (usage->type == EV_ABS && (usage->code == ABS_X ||
697 usage->code == ABS_Y || usage->code == ABS_Z ||
698 usage->code == ABS_RZ)) {
699 switch (hdev->product) {
700 case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
701 case USB_DEVICE_ID_LOGITECH_WINGMAN_FG:
702 case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
703 case USB_DEVICE_ID_LOGITECH_WHEEL:
704 case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
705 case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
706 case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
707 case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
708 case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
709 case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
710 case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
711 case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
712 field->application = HID_GD_MULTIAXIS;
713 break;
714 default:
715 break;
716 }
717 }
718
719 return 0;
720 }
721
lg_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)722 static int lg_event(struct hid_device *hdev, struct hid_field *field,
723 struct hid_usage *usage, __s32 value)
724 {
725 struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
726
727 if ((drv_data->quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
728 input_event(field->hidinput->input, usage->type, usage->code,
729 -value);
730 return 1;
731 }
732 if (drv_data->quirks & LG_FF4) {
733 return lg4ff_adjust_input_event(hdev, field, usage, value, drv_data);
734 }
735
736 return 0;
737 }
738
lg_raw_event(struct hid_device * hdev,struct hid_report * report,u8 * rd,int size)739 static int lg_raw_event(struct hid_device *hdev, struct hid_report *report,
740 u8 *rd, int size)
741 {
742 struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
743
744 if (drv_data->quirks & LG_FF4)
745 return lg4ff_raw_event(hdev, report, rd, size, drv_data);
746
747 return 0;
748 }
749
lg_probe(struct hid_device * hdev,const struct hid_device_id * id)750 static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
751 {
752 struct usb_interface *iface;
753 __u8 iface_num;
754 unsigned int connect_mask = HID_CONNECT_DEFAULT;
755 struct lg_drv_data *drv_data;
756 int ret;
757
758 if (!hid_is_usb(hdev))
759 return -EINVAL;
760
761 iface = to_usb_interface(hdev->dev.parent);
762 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
763
764 /* G29 only work with the 1st interface */
765 if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&
766 (iface_num != 0)) {
767 dbg_hid("%s: ignoring ifnum %d\n", __func__, iface_num);
768 return -ENODEV;
769 }
770
771 drv_data = kzalloc(sizeof(struct lg_drv_data), GFP_KERNEL);
772 if (!drv_data) {
773 hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
774 return -ENOMEM;
775 }
776 drv_data->quirks = id->driver_data;
777
778 hid_set_drvdata(hdev, (void *)drv_data);
779
780 if (drv_data->quirks & LG_NOGET)
781 hdev->quirks |= HID_QUIRK_NOGET;
782
783 ret = hid_parse(hdev);
784 if (ret) {
785 hid_err(hdev, "parse failed\n");
786 goto err_free;
787 }
788
789 if (drv_data->quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))
790 connect_mask &= ~HID_CONNECT_FF;
791
792 ret = hid_hw_start(hdev, connect_mask);
793 if (ret) {
794 hid_err(hdev, "hw start failed\n");
795 goto err_free;
796 }
797
798 /* Setup wireless link with Logitech Wii wheel */
799 if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
800 static const unsigned char cbuf[] = {
801 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
802 };
803 u8 *buf = kmemdup(cbuf, sizeof(cbuf), GFP_KERNEL);
804
805 if (!buf) {
806 ret = -ENOMEM;
807 goto err_stop;
808 }
809
810 ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
811 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
812 if (ret >= 0) {
813 /* insert a little delay of 10 jiffies ~ 40ms */
814 wait_queue_head_t wait;
815 init_waitqueue_head (&wait);
816 wait_event_interruptible_timeout(wait, 0,
817 msecs_to_jiffies(40));
818
819 /* Select random Address */
820 buf[1] = 0xB2;
821 get_random_bytes(&buf[2], 2);
822
823 ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
824 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
825 }
826 kfree(buf);
827 }
828
829 if (drv_data->quirks & LG_FF)
830 ret = lgff_init(hdev);
831 else if (drv_data->quirks & LG_FF2)
832 ret = lg2ff_init(hdev);
833 else if (drv_data->quirks & LG_FF3)
834 ret = lg3ff_init(hdev);
835 else if (drv_data->quirks & LG_FF4)
836 ret = lg4ff_init(hdev);
837
838 if (ret)
839 goto err_stop;
840
841 return 0;
842
843 err_stop:
844 hid_hw_stop(hdev);
845 err_free:
846 kfree(drv_data);
847 return ret;
848 }
849
lg_remove(struct hid_device * hdev)850 static void lg_remove(struct hid_device *hdev)
851 {
852 struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
853 if (drv_data->quirks & LG_FF4)
854 lg4ff_deinit(hdev);
855 hid_hw_stop(hdev);
856 kfree(drv_data);
857 }
858
859 static const struct hid_device_id lg_devices[] = {
860 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
861 .driver_data = LG_RDESC | LG_WIRELESS },
862
863 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
864 .driver_data = LG_BAD_RELATIVE_KEYS },
865
866 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
867 .driver_data = LG_DUPLICATE_USAGES },
868
869 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
870 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
871 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
872 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
873
874 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
875 .driver_data = LG_NOGET },
876 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION),
877 .driver_data = LG_NOGET },
878 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
879 .driver_data = LG_NOGET | LG_FF4 },
880
881 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD),
882 .driver_data = LG_FF2 },
883 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
884 .driver_data = LG_FF },
885 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
886 .driver_data = LG_FF },
887 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL),
888 .driver_data = LG_FF4 },
889 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
890 .driver_data = LG_FF },
891 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
892 .driver_data = LG_FF },
893 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
894 .driver_data = LG_NOGET | LG_FF4 },
895 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
896 .driver_data = LG_FF4 },
897 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL),
898 .driver_data = LG_FF2 },
899 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
900 .driver_data = LG_FF4 },
901 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL),
902 .driver_data = LG_FF4 },
903 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL),
904 .driver_data = LG_FF4 },
905 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL),
906 .driver_data = LG_NOGET | LG_FF4 },
907 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
908 .driver_data = LG_FF4 },
909 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FG),
910 .driver_data = LG_NOGET },
911 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
912 .driver_data = LG_NOGET | LG_FF4 },
913 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
914 .driver_data = LG_NOGET | LG_FF2 },
915 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
916 .driver_data = LG_FF3 },
917 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
918 .driver_data = LG_RDESC_REL_ABS },
919 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
920 .driver_data = LG_RDESC_REL_ABS },
921 { }
922 };
923
924 MODULE_DEVICE_TABLE(hid, lg_devices);
925
926 static struct hid_driver lg_driver = {
927 .name = "logitech",
928 .id_table = lg_devices,
929 .report_fixup = lg_report_fixup,
930 .input_mapping = lg_input_mapping,
931 .input_mapped = lg_input_mapped,
932 .event = lg_event,
933 .raw_event = lg_raw_event,
934 .probe = lg_probe,
935 .remove = lg_remove,
936 };
937 module_hid_driver(lg_driver);
938
939 #ifdef CONFIG_LOGIWHEELS_FF
940 int lg4ff_no_autoswitch = 0;
941 module_param_named(lg4ff_no_autoswitch, lg4ff_no_autoswitch, int, S_IRUGO);
942 MODULE_PARM_DESC(lg4ff_no_autoswitch, "Do not switch multimode wheels to their native mode automatically");
943 #endif
944
945 MODULE_DESCRIPTION("HID driver for some logitech \"special\" devices");
946 MODULE_LICENSE("GPL");
947