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19#include <linux/device.h>
20#include <linux/hid.h>
21#include <linux/module.h>
22
23#include "hid-ids.h"
24#include "hid-lg.h"
25
26#define LG_RDESC 0x001
27#define LG_BAD_RELATIVE_KEYS 0x002
28#define LG_DUPLICATE_USAGES 0x004
29#define LG_EXPANDED_KEYMAP 0x010
30#define LG_IGNORE_DOUBLED_WHEEL 0x020
31#define LG_WIRELESS 0x040
32#define LG_INVERT_HWHEEL 0x080
33#define LG_NOGET 0x100
34#define LG_FF 0x200
35#define LG_FF2 0x400
36#define LG_RDESC_REL_ABS 0x800
37#define LG_FF3 0x1000
38
39
40
41
42
43
44static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
45 unsigned int rsize)
46{
47 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
48
49 if ((quirks & LG_RDESC) && rsize >= 90 && rdesc[83] == 0x26 &&
50 rdesc[84] == 0x8c && rdesc[85] == 0x02) {
51 dev_info(&hdev->dev, "fixing up Logitech keyboard report "
52 "descriptor\n");
53 rdesc[84] = rdesc[89] = 0x4d;
54 rdesc[85] = rdesc[90] = 0x10;
55 }
56 if ((quirks & LG_RDESC_REL_ABS) && rsize >= 50 &&
57 rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
58 rdesc[49] == 0x81 && rdesc[50] == 0x06) {
59 dev_info(&hdev->dev, "fixing up rel/abs in Logitech "
60 "report descriptor\n");
61 rdesc[33] = rdesc[50] = 0x02;
62 }
63}
64
65#define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
66 EV_KEY, (c))
67
68static int lg_ultrax_remote_mapping(struct hid_input *hi,
69 struct hid_usage *usage, unsigned long **bit, int *max)
70{
71 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
72 return 0;
73
74 set_bit(EV_REP, hi->input->evbit);
75 switch (usage->hid & HID_USAGE) {
76
77 case 0x004: lg_map_key_clear(KEY_AGAIN); break;
78 case 0x00d: lg_map_key_clear(KEY_HOME); break;
79 case 0x024: lg_map_key_clear(KEY_SHUFFLE); break;
80 case 0x025: lg_map_key_clear(KEY_TV); break;
81 case 0x026: lg_map_key_clear(KEY_MENU); break;
82 case 0x031: lg_map_key_clear(KEY_AUDIO); break;
83 case 0x032: lg_map_key_clear(KEY_TEXT); break;
84 case 0x033: lg_map_key_clear(KEY_LAST); break;
85 case 0x047: lg_map_key_clear(KEY_MP3); break;
86 case 0x048: lg_map_key_clear(KEY_DVD); break;
87 case 0x049: lg_map_key_clear(KEY_MEDIA); break;
88 case 0x04a: lg_map_key_clear(KEY_VIDEO); break;
89 case 0x04b: lg_map_key_clear(KEY_ANGLE); break;
90 case 0x04c: lg_map_key_clear(KEY_LANGUAGE); break;
91 case 0x04d: lg_map_key_clear(KEY_SUBTITLE); break;
92 case 0x051: lg_map_key_clear(KEY_RED); break;
93 case 0x052: lg_map_key_clear(KEY_CLOSE); break;
94
95 default:
96 return 0;
97 }
98 return 1;
99}
100
101static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
102 unsigned long **bit, int *max)
103{
104 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
105 return 0;
106
107 switch (usage->hid & HID_USAGE) {
108
109 case 0x00d: lg_map_key_clear(KEY_MEDIA); break;
110 default:
111 return 0;
112
113 }
114 return 1;
115}
116
117static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
118 unsigned long **bit, int *max)
119{
120 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
121 return 0;
122
123 switch (usage->hid & HID_USAGE) {
124 case 0x1001: lg_map_key_clear(KEY_MESSENGER); break;
125 case 0x1003: lg_map_key_clear(KEY_SOUND); break;
126 case 0x1004: lg_map_key_clear(KEY_VIDEO); break;
127 case 0x1005: lg_map_key_clear(KEY_AUDIO); break;
128 case 0x100a: lg_map_key_clear(KEY_DOCUMENTS); break;
129
130 case 0x100f: lg_map_key_clear(KEY_FN_1); break;
131 case 0x1010: lg_map_key_clear(KEY_FN_2); break;
132 case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG); break;
133 case 0x1012: lg_map_key_clear(KEY_NEXTSONG); break;
134 case 0x1013: lg_map_key_clear(KEY_CAMERA); break;
135 case 0x1014: lg_map_key_clear(KEY_MESSENGER); break;
136 case 0x1015: lg_map_key_clear(KEY_RECORD); break;
137 case 0x1016: lg_map_key_clear(KEY_PLAYER); break;
138 case 0x1017: lg_map_key_clear(KEY_EJECTCD); break;
139 case 0x1018: lg_map_key_clear(KEY_MEDIA); break;
140 case 0x1019: lg_map_key_clear(KEY_PROG1); break;
141 case 0x101a: lg_map_key_clear(KEY_PROG2); break;
142 case 0x101b: lg_map_key_clear(KEY_PROG3); break;
143 case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS); break;
144 case 0x101f: lg_map_key_clear(KEY_ZOOMIN); break;
145 case 0x1020: lg_map_key_clear(KEY_ZOOMOUT); break;
146 case 0x1021: lg_map_key_clear(KEY_ZOOMRESET); break;
147 case 0x1023: lg_map_key_clear(KEY_CLOSE); break;
148 case 0x1027: lg_map_key_clear(KEY_MENU); break;
149
150 case 0x1028: lg_map_key_clear(KEY_ANGLE); break;
151 case 0x1029: lg_map_key_clear(KEY_SHUFFLE); break;
152 case 0x102a: lg_map_key_clear(KEY_BACK); break;
153 case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS); break;
154 case 0x102d: lg_map_key_clear(KEY_WWW); break;
155
156
157 case 0x1031: lg_map_key_clear(KEY_OK); break;
158 case 0x1032: lg_map_key_clear(KEY_CANCEL); break;
159 case 0x1041: lg_map_key_clear(KEY_BATTERY); break;
160 case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR); break;
161 case 0x1043: lg_map_key_clear(KEY_SPREADSHEET); break;
162 case 0x1044: lg_map_key_clear(KEY_PRESENTATION); break;
163 case 0x1045: lg_map_key_clear(KEY_UNDO); break;
164 case 0x1046: lg_map_key_clear(KEY_REDO); break;
165 case 0x1047: lg_map_key_clear(KEY_PRINT); break;
166 case 0x1048: lg_map_key_clear(KEY_SAVE); break;
167 case 0x1049: lg_map_key_clear(KEY_PROG1); break;
168 case 0x104a: lg_map_key_clear(KEY_PROG2); break;
169 case 0x104b: lg_map_key_clear(KEY_PROG3); break;
170 case 0x104c: lg_map_key_clear(KEY_PROG4); break;
171
172 default:
173 return 0;
174 }
175 return 1;
176}
177
178static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
179 struct hid_field *field, struct hid_usage *usage,
180 unsigned long **bit, int *max)
181{
182
183
184 static const u8 e_keymap[] = {
185 0,216, 0,213,175,156, 0, 0, 0, 0,
186 144, 0, 0, 0, 0, 0, 0, 0, 0,212,
187 174,167,152,161,112, 0, 0, 0,154, 0,
188 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
189 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
190 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
191 0, 0, 0, 0, 0,183,184,185,186,187,
192 188,189,190,191,192,193,194, 0, 0, 0
193 };
194 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
195 unsigned int hid = usage->hid;
196
197 if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
198 lg_ultrax_remote_mapping(hi, usage, bit, max))
199 return 1;
200
201 if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
202 lg_dinovo_mapping(hi, usage, bit, max))
203 return 1;
204
205 if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
206 return 1;
207
208 if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
209 return 0;
210
211 hid &= HID_USAGE;
212
213
214 if (field->application == HID_GD_MOUSE) {
215 if ((quirks & LG_IGNORE_DOUBLED_WHEEL) &&
216 (hid == 7 || hid == 8))
217 return -1;
218 } else {
219 if ((quirks & LG_EXPANDED_KEYMAP) &&
220 hid < ARRAY_SIZE(e_keymap) &&
221 e_keymap[hid] != 0) {
222 hid_map_usage(hi, usage, bit, max, EV_KEY,
223 e_keymap[hid]);
224 return 1;
225 }
226 }
227
228 return 0;
229}
230
231static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
232 struct hid_field *field, struct hid_usage *usage,
233 unsigned long **bit, int *max)
234{
235 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
236
237 if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
238 (field->flags & HID_MAIN_ITEM_RELATIVE))
239 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
240
241 if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
242 usage->type == EV_REL || usage->type == EV_ABS))
243 clear_bit(usage->code, *bit);
244
245 return 0;
246}
247
248static int lg_event(struct hid_device *hdev, struct hid_field *field,
249 struct hid_usage *usage, __s32 value)
250{
251 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
252
253 if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
254 input_event(field->hidinput->input, usage->type, usage->code,
255 -value);
256 return 1;
257 }
258
259 return 0;
260}
261
262static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
263{
264 unsigned long quirks = id->driver_data;
265 unsigned int connect_mask = HID_CONNECT_DEFAULT;
266 int ret;
267
268 hid_set_drvdata(hdev, (void *)quirks);
269
270 if (quirks & LG_NOGET)
271 hdev->quirks |= HID_QUIRK_NOGET;
272
273 ret = hid_parse(hdev);
274 if (ret) {
275 dev_err(&hdev->dev, "parse failed\n");
276 goto err_free;
277 }
278
279 if (quirks & (LG_FF | LG_FF2 | LG_FF3))
280 connect_mask &= ~HID_CONNECT_FF;
281
282 ret = hid_hw_start(hdev, connect_mask);
283 if (ret) {
284 dev_err(&hdev->dev, "hw start failed\n");
285 goto err_free;
286 }
287
288 if (quirks & LG_FF)
289 lgff_init(hdev);
290 if (quirks & LG_FF2)
291 lg2ff_init(hdev);
292 if (quirks & LG_FF3)
293 lg3ff_init(hdev);
294
295 return 0;
296err_free:
297 return ret;
298}
299
300static const struct hid_device_id lg_devices[] = {
301 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
302 .driver_data = LG_RDESC | LG_WIRELESS },
303 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
304 .driver_data = LG_RDESC | LG_WIRELESS },
305 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
306 .driver_data = LG_RDESC | LG_WIRELESS },
307
308 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
309 .driver_data = LG_BAD_RELATIVE_KEYS },
310
311 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
312 .driver_data = LG_DUPLICATE_USAGES },
313 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
314 .driver_data = LG_DUPLICATE_USAGES },
315 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
316 .driver_data = LG_DUPLICATE_USAGES },
317
318 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
319 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
320 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
321 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
322
323 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
324 .driver_data = LG_NOGET },
325 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
326 .driver_data = LG_NOGET | LG_FF },
327
328 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
329 .driver_data = LG_FF },
330 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
331 .driver_data = LG_FF },
332 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
333 .driver_data = LG_FF },
334 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
335 .driver_data = LG_FF },
336 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
337 .driver_data = LG_FF },
338 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
339 .driver_data = LG_FF },
340 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
341 .driver_data = LG_FF },
342 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ),
343 .driver_data = LG_FF },
344 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
345 .driver_data = LG_FF2 },
346 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
347 .driver_data = LG_FF3 },
348 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
349 .driver_data = LG_RDESC_REL_ABS },
350 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
351 .driver_data = LG_RDESC_REL_ABS },
352 { }
353};
354
355MODULE_DEVICE_TABLE(hid, lg_devices);
356
357static struct hid_driver lg_driver = {
358 .name = "logitech",
359 .id_table = lg_devices,
360 .report_fixup = lg_report_fixup,
361 .input_mapping = lg_input_mapping,
362 .input_mapped = lg_input_mapped,
363 .event = lg_event,
364 .probe = lg_probe,
365};
366
367static int __init lg_init(void)
368{
369 return hid_register_driver(&lg_driver);
370}
371
372static void __exit lg_exit(void)
373{
374 hid_unregister_driver(&lg_driver);
375}
376
377module_init(lg_init);
378module_exit(lg_exit);
379MODULE_LICENSE("GPL");
380
