xref: /openbmc/linux/drivers/hid/hid-lg.c (revision c000c4f1)
1 /*
2  *  HID driver for some logitech "special" devices
3  *
4  *  Copyright (c) 1999 Andreas Gal
5  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7  *  Copyright (c) 2006-2007 Jiri Kosina
8  *  Copyright (c) 2008 Jiri Slaby
9  *  Copyright (c) 2010 Hendrik Iben
10  */
11 
12 /*
13  * This program is free software; you can redistribute it and/or modify it
14  * under the terms of the GNU General Public License as published by the Free
15  * Software Foundation; either version 2 of the License, or (at your option)
16  * any later version.
17  */
18 
19 #include <linux/device.h>
20 #include <linux/hid.h>
21 #include <linux/module.h>
22 #include <linux/random.h>
23 #include <linux/sched.h>
24 #include <linux/usb.h>
25 #include <linux/wait.h>
26 
27 #include "usbhid/usbhid.h"
28 #include "hid-ids.h"
29 #include "hid-lg.h"
30 #include "hid-lg4ff.h"
31 
32 #define LG_RDESC		0x001
33 #define LG_BAD_RELATIVE_KEYS	0x002
34 #define LG_DUPLICATE_USAGES	0x004
35 #define LG_EXPANDED_KEYMAP	0x010
36 #define LG_IGNORE_DOUBLED_WHEEL	0x020
37 #define LG_WIRELESS		0x040
38 #define LG_INVERT_HWHEEL	0x080
39 #define LG_NOGET		0x100
40 #define LG_FF			0x200
41 #define LG_FF2			0x400
42 #define LG_RDESC_REL_ABS	0x800
43 #define LG_FF3			0x1000
44 #define LG_FF4			0x2000
45 
46 /* Size of the original descriptors of the Driving Force (and Pro) wheels */
47 #define DF_RDESC_ORIG_SIZE	130
48 #define DFP_RDESC_ORIG_SIZE	97
49 #define FV_RDESC_ORIG_SIZE	130
50 #define MOMO_RDESC_ORIG_SIZE	87
51 #define MOMO2_RDESC_ORIG_SIZE	87
52 #define FFG_RDESC_ORIG_SIZE	85
53 
54 /* Fixed report descriptors for Logitech Driving Force (and Pro)
55  * wheel controllers
56  *
57  * The original descriptors hide the separate throttle and brake axes in
58  * a custom vendor usage page, providing only a combined value as
59  * GenericDesktop.Y.
60  * These descriptors remove the combined Y axis and instead report
61  * separate throttle (Y) and brake (RZ).
62  */
63 static __u8 df_rdesc_fixed[] = {
64 0x05, 0x01,         /*  Usage Page (Desktop),                   */
65 0x09, 0x04,         /*  Usage (Joystick),                       */
66 0xA1, 0x01,         /*  Collection (Application),               */
67 0xA1, 0x02,         /*      Collection (Logical),               */
68 0x95, 0x01,         /*          Report Count (1),               */
69 0x75, 0x0A,         /*          Report Size (10),               */
70 0x14,               /*          Logical Minimum (0),            */
71 0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
72 0x34,               /*          Physical Minimum (0),           */
73 0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
74 0x09, 0x30,         /*          Usage (X),                      */
75 0x81, 0x02,         /*          Input (Variable),               */
76 0x95, 0x0C,         /*          Report Count (12),              */
77 0x75, 0x01,         /*          Report Size (1),                */
78 0x25, 0x01,         /*          Logical Maximum (1),            */
79 0x45, 0x01,         /*          Physical Maximum (1),           */
80 0x05, 0x09,         /*          Usage (Buttons),                */
81 0x19, 0x01,         /*          Usage Minimum (1),              */
82 0x29, 0x0c,         /*          Usage Maximum (12),             */
83 0x81, 0x02,         /*          Input (Variable),               */
84 0x95, 0x02,         /*          Report Count (2),               */
85 0x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
86 0x09, 0x01,         /*          Usage (?: 1),                   */
87 0x81, 0x02,         /*          Input (Variable),               */
88 0x05, 0x01,         /*          Usage Page (Desktop),           */
89 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
90 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
91 0x95, 0x01,         /*          Report Count (1),               */
92 0x75, 0x08,         /*          Report Size (8),                */
93 0x81, 0x02,         /*          Input (Variable),               */
94 0x25, 0x07,         /*          Logical Maximum (7),            */
95 0x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
96 0x75, 0x04,         /*          Report Size (4),                */
97 0x65, 0x14,         /*          Unit (Degrees),                 */
98 0x09, 0x39,         /*          Usage (Hat Switch),             */
99 0x81, 0x42,         /*          Input (Variable, Null State),   */
100 0x75, 0x01,         /*          Report Size (1),                */
101 0x95, 0x04,         /*          Report Count (4),               */
102 0x65, 0x00,         /*          Unit (none),                    */
103 0x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
104 0x09, 0x01,         /*          Usage (?: 1),                   */
105 0x25, 0x01,         /*          Logical Maximum (1),            */
106 0x45, 0x01,         /*          Physical Maximum (1),           */
107 0x81, 0x02,         /*          Input (Variable),               */
108 0x05, 0x01,         /*          Usage Page (Desktop),           */
109 0x95, 0x01,         /*          Report Count (1),               */
110 0x75, 0x08,         /*          Report Size (8),                */
111 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
112 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
113 0x09, 0x31,         /*          Usage (Y),                      */
114 0x81, 0x02,         /*          Input (Variable),               */
115 0x09, 0x35,         /*          Usage (Rz),                     */
116 0x81, 0x02,         /*          Input (Variable),               */
117 0xC0,               /*      End Collection,                     */
118 0xA1, 0x02,         /*      Collection (Logical),               */
119 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
120 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
121 0x95, 0x07,         /*          Report Count (7),               */
122 0x75, 0x08,         /*          Report Size (8),                */
123 0x09, 0x03,         /*          Usage (?: 3),                   */
124 0x91, 0x02,         /*          Output (Variable),              */
125 0xC0,               /*      End Collection,                     */
126 0xC0                /*  End Collection                          */
127 };
128 
129 static __u8 dfp_rdesc_fixed[] = {
130 0x05, 0x01,         /*  Usage Page (Desktop),                   */
131 0x09, 0x04,         /*  Usage (Joystick),                       */
132 0xA1, 0x01,         /*  Collection (Application),               */
133 0xA1, 0x02,         /*      Collection (Logical),               */
134 0x95, 0x01,         /*          Report Count (1),               */
135 0x75, 0x0E,         /*          Report Size (14),               */
136 0x14,               /*          Logical Minimum (0),            */
137 0x26, 0xFF, 0x3F,   /*          Logical Maximum (16383),        */
138 0x34,               /*          Physical Minimum (0),           */
139 0x46, 0xFF, 0x3F,   /*          Physical Maximum (16383),       */
140 0x09, 0x30,         /*          Usage (X),                      */
141 0x81, 0x02,         /*          Input (Variable),               */
142 0x95, 0x0E,         /*          Report Count (14),              */
143 0x75, 0x01,         /*          Report Size (1),                */
144 0x25, 0x01,         /*          Logical Maximum (1),            */
145 0x45, 0x01,         /*          Physical Maximum (1),           */
146 0x05, 0x09,         /*          Usage Page (Button),            */
147 0x19, 0x01,         /*          Usage Minimum (01h),            */
148 0x29, 0x0E,         /*          Usage Maximum (0Eh),            */
149 0x81, 0x02,         /*          Input (Variable),               */
150 0x05, 0x01,         /*          Usage Page (Desktop),           */
151 0x95, 0x01,         /*          Report Count (1),               */
152 0x75, 0x04,         /*          Report Size (4),                */
153 0x25, 0x07,         /*          Logical Maximum (7),            */
154 0x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
155 0x65, 0x14,         /*          Unit (Degrees),                 */
156 0x09, 0x39,         /*          Usage (Hat Switch),             */
157 0x81, 0x42,         /*          Input (Variable, Nullstate),    */
158 0x65, 0x00,         /*          Unit,                           */
159 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
160 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
161 0x75, 0x08,         /*          Report Size (8),                */
162 0x81, 0x01,         /*          Input (Constant),               */
163 0x09, 0x31,         /*          Usage (Y),                      */
164 0x81, 0x02,         /*          Input (Variable),               */
165 0x09, 0x35,         /*          Usage (Rz),                     */
166 0x81, 0x02,         /*          Input (Variable),               */
167 0x81, 0x01,         /*          Input (Constant),               */
168 0xC0,               /*      End Collection,                     */
169 0xA1, 0x02,         /*      Collection (Logical),               */
170 0x09, 0x02,         /*          Usage (02h),                    */
171 0x95, 0x07,         /*          Report Count (7),               */
172 0x91, 0x02,         /*          Output (Variable),              */
173 0xC0,               /*      End Collection,                     */
174 0xC0                /*  End Collection                          */
175 };
176 
177 static __u8 fv_rdesc_fixed[] = {
178 0x05, 0x01,         /*  Usage Page (Desktop),                   */
179 0x09, 0x04,         /*  Usage (Joystick),                       */
180 0xA1, 0x01,         /*  Collection (Application),               */
181 0xA1, 0x02,         /*      Collection (Logical),               */
182 0x95, 0x01,         /*          Report Count (1),               */
183 0x75, 0x0A,         /*          Report Size (10),               */
184 0x15, 0x00,         /*          Logical Minimum (0),            */
185 0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
186 0x35, 0x00,         /*          Physical Minimum (0),           */
187 0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
188 0x09, 0x30,         /*          Usage (X),                      */
189 0x81, 0x02,         /*          Input (Variable),               */
190 0x95, 0x0C,         /*          Report Count (12),              */
191 0x75, 0x01,         /*          Report Size (1),                */
192 0x25, 0x01,         /*          Logical Maximum (1),            */
193 0x45, 0x01,         /*          Physical Maximum (1),           */
194 0x05, 0x09,         /*          Usage Page (Button),            */
195 0x19, 0x01,         /*          Usage Minimum (01h),            */
196 0x29, 0x0C,         /*          Usage Maximum (0Ch),            */
197 0x81, 0x02,         /*          Input (Variable),               */
198 0x95, 0x02,         /*          Report Count (2),               */
199 0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),             */
200 0x09, 0x01,         /*          Usage (01h),                    */
201 0x81, 0x02,         /*          Input (Variable),               */
202 0x09, 0x02,         /*          Usage (02h),                    */
203 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
204 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
205 0x95, 0x01,         /*          Report Count (1),               */
206 0x75, 0x08,         /*          Report Size (8),                */
207 0x81, 0x02,         /*          Input (Variable),               */
208 0x05, 0x01,         /*          Usage Page (Desktop),           */
209 0x25, 0x07,         /*          Logical Maximum (7),            */
210 0x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
211 0x75, 0x04,         /*          Report Size (4),                */
212 0x65, 0x14,         /*          Unit (Degrees),                 */
213 0x09, 0x39,         /*          Usage (Hat Switch),             */
214 0x81, 0x42,         /*          Input (Variable, Null State),   */
215 0x75, 0x01,         /*          Report Size (1),                */
216 0x95, 0x04,         /*          Report Count (4),               */
217 0x65, 0x00,         /*          Unit,                           */
218 0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),             */
219 0x09, 0x01,         /*          Usage (01h),                    */
220 0x25, 0x01,         /*          Logical Maximum (1),            */
221 0x45, 0x01,         /*          Physical Maximum (1),           */
222 0x81, 0x02,         /*          Input (Variable),               */
223 0x05, 0x01,         /*          Usage Page (Desktop),           */
224 0x95, 0x01,         /*          Report Count (1),               */
225 0x75, 0x08,         /*          Report Size (8),                */
226 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
227 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
228 0x09, 0x31,         /*          Usage (Y),                      */
229 0x81, 0x02,         /*          Input (Variable),               */
230 0x09, 0x32,         /*          Usage (Z),                      */
231 0x81, 0x02,         /*          Input (Variable),               */
232 0xC0,               /*      End Collection,                     */
233 0xA1, 0x02,         /*      Collection (Logical),               */
234 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
235 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
236 0x95, 0x07,         /*          Report Count (7),               */
237 0x75, 0x08,         /*          Report Size (8),                */
238 0x09, 0x03,         /*          Usage (03h),                    */
239 0x91, 0x02,         /*          Output (Variable),              */
240 0xC0,               /*      End Collection,                     */
241 0xC0                /*  End Collection                          */
242 };
243 
244 static __u8 momo_rdesc_fixed[] = {
245 0x05, 0x01,         /*  Usage Page (Desktop),               */
246 0x09, 0x04,         /*  Usage (Joystick),                   */
247 0xA1, 0x01,         /*  Collection (Application),           */
248 0xA1, 0x02,         /*      Collection (Logical),           */
249 0x95, 0x01,         /*          Report Count (1),           */
250 0x75, 0x0A,         /*          Report Size (10),           */
251 0x15, 0x00,         /*          Logical Minimum (0),        */
252 0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
253 0x35, 0x00,         /*          Physical Minimum (0),       */
254 0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
255 0x09, 0x30,         /*          Usage (X),                  */
256 0x81, 0x02,         /*          Input (Variable),           */
257 0x95, 0x08,         /*          Report Count (8),           */
258 0x75, 0x01,         /*          Report Size (1),            */
259 0x25, 0x01,         /*          Logical Maximum (1),        */
260 0x45, 0x01,         /*          Physical Maximum (1),       */
261 0x05, 0x09,         /*          Usage Page (Button),        */
262 0x19, 0x01,         /*          Usage Minimum (01h),        */
263 0x29, 0x08,         /*          Usage Maximum (08h),        */
264 0x81, 0x02,         /*          Input (Variable),           */
265 0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
266 0x75, 0x0E,         /*          Report Size (14),           */
267 0x95, 0x01,         /*          Report Count (1),           */
268 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
269 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
270 0x09, 0x00,         /*          Usage (00h),                */
271 0x81, 0x02,         /*          Input (Variable),           */
272 0x05, 0x01,         /*          Usage Page (Desktop),       */
273 0x75, 0x08,         /*          Report Size (8),            */
274 0x09, 0x31,         /*          Usage (Y),                  */
275 0x81, 0x02,         /*          Input (Variable),           */
276 0x09, 0x32,         /*          Usage (Z),                  */
277 0x81, 0x02,         /*          Input (Variable),           */
278 0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
279 0x09, 0x01,         /*          Usage (01h),                */
280 0x81, 0x02,         /*          Input (Variable),           */
281 0xC0,               /*      End Collection,                 */
282 0xA1, 0x02,         /*      Collection (Logical),           */
283 0x09, 0x02,         /*          Usage (02h),                */
284 0x95, 0x07,         /*          Report Count (7),           */
285 0x91, 0x02,         /*          Output (Variable),          */
286 0xC0,               /*      End Collection,                 */
287 0xC0                /*  End Collection                      */
288 };
289 
290 static __u8 momo2_rdesc_fixed[] = {
291 0x05, 0x01,         /*  Usage Page (Desktop),               */
292 0x09, 0x04,         /*  Usage (Joystick),                   */
293 0xA1, 0x01,         /*  Collection (Application),           */
294 0xA1, 0x02,         /*      Collection (Logical),           */
295 0x95, 0x01,         /*          Report Count (1),           */
296 0x75, 0x0A,         /*          Report Size (10),           */
297 0x15, 0x00,         /*          Logical Minimum (0),        */
298 0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
299 0x35, 0x00,         /*          Physical Minimum (0),       */
300 0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
301 0x09, 0x30,         /*          Usage (X),                  */
302 0x81, 0x02,         /*          Input (Variable),           */
303 0x95, 0x0A,         /*          Report Count (10),          */
304 0x75, 0x01,         /*          Report Size (1),            */
305 0x25, 0x01,         /*          Logical Maximum (1),        */
306 0x45, 0x01,         /*          Physical Maximum (1),       */
307 0x05, 0x09,         /*          Usage Page (Button),        */
308 0x19, 0x01,         /*          Usage Minimum (01h),        */
309 0x29, 0x0A,         /*          Usage Maximum (0Ah),        */
310 0x81, 0x02,         /*          Input (Variable),           */
311 0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
312 0x09, 0x00,         /*          Usage (00h),                */
313 0x95, 0x04,         /*          Report Count (4),           */
314 0x81, 0x02,         /*          Input (Variable),           */
315 0x95, 0x01,         /*          Report Count (1),           */
316 0x75, 0x08,         /*          Report Size (8),            */
317 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
318 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
319 0x09, 0x01,         /*          Usage (01h),                */
320 0x81, 0x02,         /*          Input (Variable),           */
321 0x05, 0x01,         /*          Usage Page (Desktop),       */
322 0x09, 0x31,         /*          Usage (Y),                  */
323 0x81, 0x02,         /*          Input (Variable),           */
324 0x09, 0x32,         /*          Usage (Z),                  */
325 0x81, 0x02,         /*          Input (Variable),           */
326 0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
327 0x09, 0x00,         /*          Usage (00h),                */
328 0x81, 0x02,         /*          Input (Variable),           */
329 0xC0,               /*      End Collection,                 */
330 0xA1, 0x02,         /*      Collection (Logical),           */
331 0x09, 0x02,         /*          Usage (02h),                */
332 0x95, 0x07,         /*          Report Count (7),           */
333 0x91, 0x02,         /*          Output (Variable),          */
334 0xC0,               /*      End Collection,                 */
335 0xC0                /*  End Collection                      */
336 };
337 
338 static __u8 ffg_rdesc_fixed[] = {
339 0x05, 0x01,         /*  Usage Page (Desktop),               */
340 0x09, 0x04,         /*  Usage (Joystik),                    */
341 0xA1, 0x01,         /*  Collection (Application),           */
342 0xA1, 0x02,         /*      Collection (Logical),           */
343 0x95, 0x01,         /*          Report Count (1),           */
344 0x75, 0x0A,         /*          Report Size (10),           */
345 0x15, 0x00,         /*          Logical Minimum (0),        */
346 0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
347 0x35, 0x00,         /*          Physical Minimum (0),       */
348 0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
349 0x09, 0x30,         /*          Usage (X),                  */
350 0x81, 0x02,         /*          Input (Variable),           */
351 0x95, 0x06,         /*          Report Count (6),           */
352 0x75, 0x01,         /*          Report Size (1),            */
353 0x25, 0x01,         /*          Logical Maximum (1),        */
354 0x45, 0x01,         /*          Physical Maximum (1),       */
355 0x05, 0x09,         /*          Usage Page (Button),        */
356 0x19, 0x01,         /*          Usage Minimum (01h),        */
357 0x29, 0x06,         /*          Usage Maximum (06h),        */
358 0x81, 0x02,         /*          Input (Variable),           */
359 0x95, 0x01,         /*          Report Count (1),           */
360 0x75, 0x08,         /*          Report Size (8),            */
361 0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
362 0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
363 0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
364 0x09, 0x01,         /*          Usage (01h),                */
365 0x81, 0x02,         /*          Input (Variable),           */
366 0x05, 0x01,         /*          Usage Page (Desktop),       */
367 0x81, 0x01,         /*          Input (Constant),           */
368 0x09, 0x31,         /*          Usage (Y),                  */
369 0x81, 0x02,         /*          Input (Variable),           */
370 0x09, 0x32,         /*          Usage (Z),                  */
371 0x81, 0x02,         /*          Input (Variable),           */
372 0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
373 0x09, 0x01,         /*          Usage (01h),                */
374 0x81, 0x02,         /*          Input (Variable),           */
375 0xC0,               /*      End Collection,                 */
376 0xA1, 0x02,         /*      Collection (Logical),           */
377 0x09, 0x02,         /*          Usage (02h),                */
378 0x95, 0x07,         /*          Report Count (7),           */
379 0x91, 0x02,         /*          Output (Variable),          */
380 0xC0,               /*      End Collection,                 */
381 0xC0                /*  End Collection                      */
382 };
383 
384 /*
385  * Certain Logitech keyboards send in report #3 keys which are far
386  * above the logical maximum described in descriptor. This extends
387  * the original value of 0x28c of logical maximum to 0x104d
388  */
389 static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
390 		unsigned int *rsize)
391 {
392 	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
393 
394 	if ((drv_data->quirks & LG_RDESC) && *rsize >= 91 && rdesc[83] == 0x26 &&
395 			rdesc[84] == 0x8c && rdesc[85] == 0x02) {
396 		hid_info(hdev,
397 			 "fixing up Logitech keyboard report descriptor\n");
398 		rdesc[84] = rdesc[89] = 0x4d;
399 		rdesc[85] = rdesc[90] = 0x10;
400 	}
401 	if ((drv_data->quirks & LG_RDESC_REL_ABS) && *rsize >= 51 &&
402 			rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
403 			rdesc[49] == 0x81 && rdesc[50] == 0x06) {
404 		hid_info(hdev,
405 			 "fixing up rel/abs in Logitech report descriptor\n");
406 		rdesc[33] = rdesc[50] = 0x02;
407 	}
408 
409 	switch (hdev->product) {
410 
411 	case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
412 		if (*rsize == FFG_RDESC_ORIG_SIZE) {
413 			hid_info(hdev,
414 				"fixing up Logitech Wingman Formula Force GP report descriptor\n");
415 			rdesc = ffg_rdesc_fixed;
416 			*rsize = sizeof(ffg_rdesc_fixed);
417 		}
418 		break;
419 
420 	/* Several wheels report as this id when operating in emulation mode. */
421 	case USB_DEVICE_ID_LOGITECH_WHEEL:
422 		if (*rsize == DF_RDESC_ORIG_SIZE) {
423 			hid_info(hdev,
424 				"fixing up Logitech Driving Force report descriptor\n");
425 			rdesc = df_rdesc_fixed;
426 			*rsize = sizeof(df_rdesc_fixed);
427 		}
428 		break;
429 
430 	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
431 		if (*rsize == MOMO_RDESC_ORIG_SIZE) {
432 			hid_info(hdev,
433 				"fixing up Logitech Momo Force (Red) report descriptor\n");
434 			rdesc = momo_rdesc_fixed;
435 			*rsize = sizeof(momo_rdesc_fixed);
436 		}
437 		break;
438 
439 	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
440 		if (*rsize == MOMO2_RDESC_ORIG_SIZE) {
441 			hid_info(hdev,
442 				"fixing up Logitech Momo Racing Force (Black) report descriptor\n");
443 			rdesc = momo2_rdesc_fixed;
444 			*rsize = sizeof(momo2_rdesc_fixed);
445 		}
446 		break;
447 
448 	case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
449 		if (*rsize == FV_RDESC_ORIG_SIZE) {
450 			hid_info(hdev,
451 				"fixing up Logitech Formula Vibration report descriptor\n");
452 			rdesc = fv_rdesc_fixed;
453 			*rsize = sizeof(fv_rdesc_fixed);
454 		}
455 		break;
456 
457 	case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
458 		if (*rsize == DFP_RDESC_ORIG_SIZE) {
459 			hid_info(hdev,
460 				"fixing up Logitech Driving Force Pro report descriptor\n");
461 			rdesc = dfp_rdesc_fixed;
462 			*rsize = sizeof(dfp_rdesc_fixed);
463 		}
464 		break;
465 
466 	case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
467 		if (*rsize >= 101 && rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
468 				rdesc[47] == 0x05 && rdesc[48] == 0x09) {
469 			hid_info(hdev, "fixing up Logitech Speed Force Wireless report descriptor\n");
470 			rdesc[41] = 0x05;
471 			rdesc[42] = 0x09;
472 			rdesc[47] = 0x95;
473 			rdesc[48] = 0x0B;
474 		}
475 		break;
476 	}
477 
478 	return rdesc;
479 }
480 
481 #define lg_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
482 		EV_KEY, (c))
483 
484 static int lg_ultrax_remote_mapping(struct hid_input *hi,
485 		struct hid_usage *usage, unsigned long **bit, int *max)
486 {
487 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
488 		return 0;
489 
490 	set_bit(EV_REP, hi->input->evbit);
491 	switch (usage->hid & HID_USAGE) {
492 	/* Reported on Logitech Ultra X Media Remote */
493 	case 0x004: lg_map_key_clear(KEY_AGAIN);	break;
494 	case 0x00d: lg_map_key_clear(KEY_HOME);		break;
495 	case 0x024: lg_map_key_clear(KEY_SHUFFLE);	break;
496 	case 0x025: lg_map_key_clear(KEY_TV);		break;
497 	case 0x026: lg_map_key_clear(KEY_MENU);		break;
498 	case 0x031: lg_map_key_clear(KEY_AUDIO);	break;
499 	case 0x032: lg_map_key_clear(KEY_TEXT);		break;
500 	case 0x033: lg_map_key_clear(KEY_LAST);		break;
501 	case 0x047: lg_map_key_clear(KEY_MP3);		break;
502 	case 0x048: lg_map_key_clear(KEY_DVD);		break;
503 	case 0x049: lg_map_key_clear(KEY_MEDIA);	break;
504 	case 0x04a: lg_map_key_clear(KEY_VIDEO);	break;
505 	case 0x04b: lg_map_key_clear(KEY_ANGLE);	break;
506 	case 0x04c: lg_map_key_clear(KEY_LANGUAGE);	break;
507 	case 0x04d: lg_map_key_clear(KEY_SUBTITLE);	break;
508 	case 0x051: lg_map_key_clear(KEY_RED);		break;
509 	case 0x052: lg_map_key_clear(KEY_CLOSE);	break;
510 
511 	default:
512 		return 0;
513 	}
514 	return 1;
515 }
516 
517 static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
518 		unsigned long **bit, int *max)
519 {
520 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
521 		return 0;
522 
523 	switch (usage->hid & HID_USAGE) {
524 
525 	case 0x00d: lg_map_key_clear(KEY_MEDIA);	break;
526 	default:
527 		return 0;
528 
529 	}
530 	return 1;
531 }
532 
533 static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
534 		unsigned long **bit, int *max)
535 {
536 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
537 		return 0;
538 
539 	switch (usage->hid & HID_USAGE) {
540 	case 0x1001: lg_map_key_clear(KEY_MESSENGER);		break;
541 	case 0x1003: lg_map_key_clear(KEY_SOUND);		break;
542 	case 0x1004: lg_map_key_clear(KEY_VIDEO);		break;
543 	case 0x1005: lg_map_key_clear(KEY_AUDIO);		break;
544 	case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);		break;
545 	/* The following two entries are Playlist 1 and 2 on the MX3200 */
546 	case 0x100f: lg_map_key_clear(KEY_FN_1);		break;
547 	case 0x1010: lg_map_key_clear(KEY_FN_2);		break;
548 	case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);	break;
549 	case 0x1012: lg_map_key_clear(KEY_NEXTSONG);		break;
550 	case 0x1013: lg_map_key_clear(KEY_CAMERA);		break;
551 	case 0x1014: lg_map_key_clear(KEY_MESSENGER);		break;
552 	case 0x1015: lg_map_key_clear(KEY_RECORD);		break;
553 	case 0x1016: lg_map_key_clear(KEY_PLAYER);		break;
554 	case 0x1017: lg_map_key_clear(KEY_EJECTCD);		break;
555 	case 0x1018: lg_map_key_clear(KEY_MEDIA);		break;
556 	case 0x1019: lg_map_key_clear(KEY_PROG1);		break;
557 	case 0x101a: lg_map_key_clear(KEY_PROG2);		break;
558 	case 0x101b: lg_map_key_clear(KEY_PROG3);		break;
559 	case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
560 	case 0x101f: lg_map_key_clear(KEY_ZOOMIN);		break;
561 	case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);		break;
562 	case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);		break;
563 	case 0x1023: lg_map_key_clear(KEY_CLOSE);		break;
564 	case 0x1027: lg_map_key_clear(KEY_MENU);		break;
565 	/* this one is marked as 'Rotate' */
566 	case 0x1028: lg_map_key_clear(KEY_ANGLE);		break;
567 	case 0x1029: lg_map_key_clear(KEY_SHUFFLE);		break;
568 	case 0x102a: lg_map_key_clear(KEY_BACK);		break;
569 	case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
570 	case 0x102d: lg_map_key_clear(KEY_WWW);			break;
571 	/* The following two are 'Start/answer call' and 'End/reject call'
572 	   on the MX3200 */
573 	case 0x1031: lg_map_key_clear(KEY_OK);			break;
574 	case 0x1032: lg_map_key_clear(KEY_CANCEL);		break;
575 	case 0x1041: lg_map_key_clear(KEY_BATTERY);		break;
576 	case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);	break;
577 	case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);		break;
578 	case 0x1044: lg_map_key_clear(KEY_PRESENTATION);	break;
579 	case 0x1045: lg_map_key_clear(KEY_UNDO);		break;
580 	case 0x1046: lg_map_key_clear(KEY_REDO);		break;
581 	case 0x1047: lg_map_key_clear(KEY_PRINT);		break;
582 	case 0x1048: lg_map_key_clear(KEY_SAVE);		break;
583 	case 0x1049: lg_map_key_clear(KEY_PROG1);		break;
584 	case 0x104a: lg_map_key_clear(KEY_PROG2);		break;
585 	case 0x104b: lg_map_key_clear(KEY_PROG3);		break;
586 	case 0x104c: lg_map_key_clear(KEY_PROG4);		break;
587 
588 	default:
589 		return 0;
590 	}
591 	return 1;
592 }
593 
594 static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
595 		struct hid_field *field, struct hid_usage *usage,
596 		unsigned long **bit, int *max)
597 {
598 	/* extended mapping for certain Logitech hardware (Logitech cordless
599 	   desktop LX500) */
600 	static const u8 e_keymap[] = {
601 		  0,216,  0,213,175,156,  0,  0,  0,  0,
602 		144,  0,  0,  0,  0,  0,  0,  0,  0,212,
603 		174,167,152,161,112,  0,  0,  0,154,  0,
604 		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
605 		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
606 		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
607 		  0,  0,  0,  0,  0,183,184,185,186,187,
608 		188,189,190,191,192,193,194,  0,  0,  0
609 	};
610 	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
611 	unsigned int hid = usage->hid;
612 
613 	if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
614 			lg_ultrax_remote_mapping(hi, usage, bit, max))
615 		return 1;
616 
617 	if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
618 			lg_dinovo_mapping(hi, usage, bit, max))
619 		return 1;
620 
621 	if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
622 		return 1;
623 
624 	if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
625 		return 0;
626 
627 	hid &= HID_USAGE;
628 
629 	/* Special handling for Logitech Cordless Desktop */
630 	if (field->application == HID_GD_MOUSE) {
631 		if ((drv_data->quirks & LG_IGNORE_DOUBLED_WHEEL) &&
632 				(hid == 7 || hid == 8))
633 			return -1;
634 	} else {
635 		if ((drv_data->quirks & LG_EXPANDED_KEYMAP) &&
636 				hid < ARRAY_SIZE(e_keymap) &&
637 				e_keymap[hid] != 0) {
638 			hid_map_usage(hi, usage, bit, max, EV_KEY,
639 					e_keymap[hid]);
640 			return 1;
641 		}
642 	}
643 
644 	return 0;
645 }
646 
647 static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
648 		struct hid_field *field, struct hid_usage *usage,
649 		unsigned long **bit, int *max)
650 {
651 	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
652 
653 	if ((drv_data->quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
654 			(field->flags & HID_MAIN_ITEM_RELATIVE))
655 		field->flags &= ~HID_MAIN_ITEM_RELATIVE;
656 
657 	if ((drv_data->quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
658 			 usage->type == EV_REL || usage->type == EV_ABS))
659 		clear_bit(usage->code, *bit);
660 
661 	/* Ensure that Logitech wheels are not given a default fuzz/flat value */
662 	if (usage->type == EV_ABS && (usage->code == ABS_X ||
663 			usage->code == ABS_Y || usage->code == ABS_Z ||
664 			usage->code == ABS_RZ)) {
665 		switch (hdev->product) {
666 		case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
667 		case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
668 		case USB_DEVICE_ID_LOGITECH_WHEEL:
669 		case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
670 		case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
671 		case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
672 		case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
673 		case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
674 		case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
675 		case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
676 		case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
677 			field->application = HID_GD_MULTIAXIS;
678 			break;
679 		default:
680 			break;
681 		}
682 	}
683 
684 	return 0;
685 }
686 
687 static int lg_event(struct hid_device *hdev, struct hid_field *field,
688 		struct hid_usage *usage, __s32 value)
689 {
690 	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
691 
692 	if ((drv_data->quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
693 		input_event(field->hidinput->input, usage->type, usage->code,
694 				-value);
695 		return 1;
696 	}
697 	if (drv_data->quirks & LG_FF4) {
698 		return lg4ff_adjust_input_event(hdev, field, usage, value, drv_data);
699 	}
700 
701 	return 0;
702 }
703 
704 static int lg_raw_event(struct hid_device *hdev, struct hid_report *report,
705 		u8 *rd, int size)
706 {
707 	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
708 
709 	if (drv_data->quirks & LG_FF4)
710 		return lg4ff_raw_event(hdev, report, rd, size, drv_data);
711 
712 	return 0;
713 }
714 
715 static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
716 {
717 	struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
718 	__u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
719 	unsigned int connect_mask = HID_CONNECT_DEFAULT;
720 	struct lg_drv_data *drv_data;
721 	int ret;
722 
723 	/* G29 only work with the 1st interface */
724 	if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&
725 	    (iface_num != 0)) {
726 		dbg_hid("%s: ignoring ifnum %d\n", __func__, iface_num);
727 		return -ENODEV;
728 	}
729 
730 	drv_data = kzalloc(sizeof(struct lg_drv_data), GFP_KERNEL);
731 	if (!drv_data) {
732 		hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
733 		return -ENOMEM;
734 	}
735 	drv_data->quirks = id->driver_data;
736 
737 	hid_set_drvdata(hdev, (void *)drv_data);
738 
739 	if (drv_data->quirks & LG_NOGET)
740 		hdev->quirks |= HID_QUIRK_NOGET;
741 
742 	ret = hid_parse(hdev);
743 	if (ret) {
744 		hid_err(hdev, "parse failed\n");
745 		goto err_free;
746 	}
747 
748 	if (drv_data->quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))
749 		connect_mask &= ~HID_CONNECT_FF;
750 
751 	ret = hid_hw_start(hdev, connect_mask);
752 	if (ret) {
753 		hid_err(hdev, "hw start failed\n");
754 		goto err_free;
755 	}
756 
757 	/* Setup wireless link with Logitech Wii wheel */
758 	if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
759 		static const unsigned char cbuf[] = {
760 			0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
761 		};
762 		u8 *buf = kmemdup(cbuf, sizeof(cbuf), GFP_KERNEL);
763 
764 		if (!buf) {
765 			ret = -ENOMEM;
766 			goto err_free;
767 		}
768 
769 		ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
770 					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
771 		if (ret >= 0) {
772 			/* insert a little delay of 10 jiffies ~ 40ms */
773 			wait_queue_head_t wait;
774 			init_waitqueue_head (&wait);
775 			wait_event_interruptible_timeout(wait, 0,
776 							 msecs_to_jiffies(40));
777 
778 			/* Select random Address */
779 			buf[1] = 0xB2;
780 			get_random_bytes(&buf[2], 2);
781 
782 			ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
783 					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
784 		}
785 		kfree(buf);
786 	}
787 
788 	if (drv_data->quirks & LG_FF)
789 		ret = lgff_init(hdev);
790 	else if (drv_data->quirks & LG_FF2)
791 		ret = lg2ff_init(hdev);
792 	else if (drv_data->quirks & LG_FF3)
793 		ret = lg3ff_init(hdev);
794 	else if (drv_data->quirks & LG_FF4)
795 		ret = lg4ff_init(hdev);
796 
797 	if (ret)
798 		goto err_free;
799 
800 	return 0;
801 err_free:
802 	kfree(drv_data);
803 	return ret;
804 }
805 
806 static void lg_remove(struct hid_device *hdev)
807 {
808 	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
809 	if (drv_data->quirks & LG_FF4)
810 		lg4ff_deinit(hdev);
811 	else
812 		hid_hw_stop(hdev);
813 	kfree(drv_data);
814 }
815 
816 static const struct hid_device_id lg_devices[] = {
817 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
818 		.driver_data = LG_RDESC | LG_WIRELESS },
819 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
820 		.driver_data = LG_RDESC | LG_WIRELESS },
821 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
822 		.driver_data = LG_RDESC | LG_WIRELESS },
823 
824 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
825 		.driver_data = LG_BAD_RELATIVE_KEYS },
826 
827 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
828 		.driver_data = LG_DUPLICATE_USAGES },
829 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
830 		.driver_data = LG_DUPLICATE_USAGES },
831 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
832 		.driver_data = LG_DUPLICATE_USAGES },
833 
834 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
835 		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
836 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
837 		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
838 
839 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
840 		.driver_data = LG_NOGET },
841 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION),
842 		.driver_data = LG_NOGET },
843 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
844 		.driver_data = LG_NOGET | LG_FF4 },
845 
846 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD),
847 		.driver_data = LG_FF2 },
848 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
849 		.driver_data = LG_FF },
850 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
851 		.driver_data = LG_FF },
852 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL),
853 		.driver_data = LG_FF4 },
854 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
855 		.driver_data = LG_FF },
856 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
857 		.driver_data = LG_FF },
858 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
859 		.driver_data = LG_NOGET | LG_FF4 },
860 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
861 		.driver_data = LG_FF4 },
862 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL),
863 		.driver_data = LG_FF2 },
864 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
865 		.driver_data = LG_FF4 },
866 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL),
867 		.driver_data = LG_FF4 },
868 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL),
869 		.driver_data = LG_FF4 },
870 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL),
871 		.driver_data = LG_NOGET | LG_FF4 },
872 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
873 		.driver_data = LG_FF4 },
874 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
875 		.driver_data = LG_NOGET | LG_FF4 },
876 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
877 		.driver_data = LG_NOGET | LG_FF2 },
878 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
879 		.driver_data = LG_FF3 },
880 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
881 		.driver_data = LG_RDESC_REL_ABS },
882 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
883 		.driver_data = LG_RDESC_REL_ABS },
884 	{ }
885 };
886 
887 MODULE_DEVICE_TABLE(hid, lg_devices);
888 
889 static struct hid_driver lg_driver = {
890 	.name = "logitech",
891 	.id_table = lg_devices,
892 	.report_fixup = lg_report_fixup,
893 	.input_mapping = lg_input_mapping,
894 	.input_mapped = lg_input_mapped,
895 	.event = lg_event,
896 	.raw_event = lg_raw_event,
897 	.probe = lg_probe,
898 	.remove = lg_remove,
899 };
900 module_hid_driver(lg_driver);
901 
902 #ifdef CONFIG_LOGIWHEELS_FF
903 int lg4ff_no_autoswitch = 0;
904 module_param_named(lg4ff_no_autoswitch, lg4ff_no_autoswitch, int, S_IRUGO);
905 MODULE_PARM_DESC(lg4ff_no_autoswitch, "Do not switch multimode wheels to their native mode automatically");
906 #endif
907 
908 MODULE_LICENSE("GPL");
909