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) 2007 Paul Walmsley
9 * Copyright (c) 2008 Jiri Slaby
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
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
37 /*
38 * Certain Logitech keyboards send in report #3 keys which are far
39 * above the logical maximum described in descriptor. This extends
40 * the original value of 0x28c of logical maximum to 0x104d
41 */
42 static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
43 unsigned int rsize)
44 {
45 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
46
47 if ((quirks & LG_RDESC) && rsize >= 90 && rdesc[83] == 0x26 &&
48 rdesc[84] == 0x8c && rdesc[85] == 0x02) {
49 dev_info(&hdev->dev, "fixing up Logitech keyboard report "
50 "descriptor\n");
51 rdesc[84] = rdesc[89] = 0x4d;
52 rdesc[85] = rdesc[90] = 0x10;
53 }
54 }
55
56 #define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
57 EV_KEY, (c))
58
59 static int lg_ultrax_remote_mapping(struct hid_input *hi,
60 struct hid_usage *usage, unsigned long **bit, int *max)
61 {
62 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
63 return 0;
64
65 set_bit(EV_REP, hi->input->evbit);
66 switch (usage->hid & HID_USAGE) {
67 /* Reported on Logitech Ultra X Media Remote */
68 case 0x004: lg_map_key_clear(KEY_AGAIN); break;
69 case 0x00d: lg_map_key_clear(KEY_HOME); break;
70 case 0x024: lg_map_key_clear(KEY_SHUFFLE); break;
71 case 0x025: lg_map_key_clear(KEY_TV); break;
72 case 0x026: lg_map_key_clear(KEY_MENU); break;
73 case 0x031: lg_map_key_clear(KEY_AUDIO); break;
74 case 0x032: lg_map_key_clear(KEY_TEXT); break;
75 case 0x033: lg_map_key_clear(KEY_LAST); break;
76 case 0x047: lg_map_key_clear(KEY_MP3); break;
77 case 0x048: lg_map_key_clear(KEY_DVD); break;
78 case 0x049: lg_map_key_clear(KEY_MEDIA); break;
79 case 0x04a: lg_map_key_clear(KEY_VIDEO); break;
80 case 0x04b: lg_map_key_clear(KEY_ANGLE); break;
81 case 0x04c: lg_map_key_clear(KEY_LANGUAGE); break;
82 case 0x04d: lg_map_key_clear(KEY_SUBTITLE); break;
83 case 0x051: lg_map_key_clear(KEY_RED); break;
84 case 0x052: lg_map_key_clear(KEY_CLOSE); break;
85
86 default:
87 return 0;
88 }
89 return 1;
90 }
91
92 static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
93 unsigned long **bit, int *max)
94 {
95 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
96 return 0;
97
98 switch (usage->hid & HID_USAGE) {
99 case 0x1001: lg_map_key_clear(KEY_MESSENGER); break;
100 case 0x1003: lg_map_key_clear(KEY_SOUND); break;
101 case 0x1004: lg_map_key_clear(KEY_VIDEO); break;
102 case 0x1005: lg_map_key_clear(KEY_AUDIO); break;
103 case 0x100a: lg_map_key_clear(KEY_DOCUMENTS); break;
104 case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG); break;
105 case 0x1012: lg_map_key_clear(KEY_NEXTSONG); break;
106 case 0x1013: lg_map_key_clear(KEY_CAMERA); break;
107 case 0x1014: lg_map_key_clear(KEY_MESSENGER); break;
108 case 0x1015: lg_map_key_clear(KEY_RECORD); break;
109 case 0x1016: lg_map_key_clear(KEY_PLAYER); break;
110 case 0x1017: lg_map_key_clear(KEY_EJECTCD); break;
111 case 0x1018: lg_map_key_clear(KEY_MEDIA); break;
112 case 0x1019: lg_map_key_clear(KEY_PROG1); break;
113 case 0x101a: lg_map_key_clear(KEY_PROG2); break;
114 case 0x101b: lg_map_key_clear(KEY_PROG3); break;
115 case 0x101f: lg_map_key_clear(KEY_ZOOMIN); break;
116 case 0x1020: lg_map_key_clear(KEY_ZOOMOUT); break;
117 case 0x1021: lg_map_key_clear(KEY_ZOOMRESET); break;
118 case 0x1023: lg_map_key_clear(KEY_CLOSE); break;
119 case 0x1027: lg_map_key_clear(KEY_MENU); break;
120 /* this one is marked as 'Rotate' */
121 case 0x1028: lg_map_key_clear(KEY_ANGLE); break;
122 case 0x1029: lg_map_key_clear(KEY_SHUFFLE); break;
123 case 0x102a: lg_map_key_clear(KEY_BACK); break;
124 case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS); break;
125 case 0x1041: lg_map_key_clear(KEY_BATTERY); break;
126 case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR); break;
127 case 0x1043: lg_map_key_clear(KEY_SPREADSHEET); break;
128 case 0x1044: lg_map_key_clear(KEY_PRESENTATION); break;
129 case 0x1045: lg_map_key_clear(KEY_UNDO); break;
130 case 0x1046: lg_map_key_clear(KEY_REDO); break;
131 case 0x1047: lg_map_key_clear(KEY_PRINT); break;
132 case 0x1048: lg_map_key_clear(KEY_SAVE); break;
133 case 0x1049: lg_map_key_clear(KEY_PROG1); break;
134 case 0x104a: lg_map_key_clear(KEY_PROG2); break;
135 case 0x104b: lg_map_key_clear(KEY_PROG3); break;
136 case 0x104c: lg_map_key_clear(KEY_PROG4); break;
137
138 default:
139 return 0;
140 }
141 return 1;
142 }
143
144 static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
145 struct hid_field *field, struct hid_usage *usage,
146 unsigned long **bit, int *max)
147 {
148 /* extended mapping for certain Logitech hardware (Logitech cordless
149 desktop LX500) */
150 static const u8 e_keymap[] = {
151 0,216, 0,213,175,156, 0, 0, 0, 0,
152 144, 0, 0, 0, 0, 0, 0, 0, 0,212,
153 174,167,152,161,112, 0, 0, 0,154, 0,
154 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
155 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
156 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
157 0, 0, 0, 0, 0,183,184,185,186,187,
158 188,189,190,191,192,193,194, 0, 0, 0
159 };
160 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
161 unsigned int hid = usage->hid;
162
163 if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
164 lg_ultrax_remote_mapping(hi, usage, bit, max))
165 return 1;
166
167 if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
168 return 1;
169
170 if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
171 return 0;
172
173 hid &= HID_USAGE;
174
175 /* Special handling for Logitech Cordless Desktop */
176 if (field->application == HID_GD_MOUSE) {
177 if ((quirks & LG_IGNORE_DOUBLED_WHEEL) &&
178 (hid == 7 || hid == 8))
179 return -1;
180 } else {
181 if ((quirks & LG_EXPANDED_KEYMAP) &&
182 hid < ARRAY_SIZE(e_keymap) &&
183 e_keymap[hid] != 0) {
184 hid_map_usage(hi, usage, bit, max, EV_KEY,
185 e_keymap[hid]);
186 return 1;
187 }
188 }
189
190 return 0;
191 }
192
193 static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
194 struct hid_field *field, struct hid_usage *usage,
195 unsigned long **bit, int *max)
196 {
197 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
198
199 if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
200 (field->flags & HID_MAIN_ITEM_RELATIVE))
201 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
202
203 if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
204 usage->type == EV_REL || usage->type == EV_ABS))
205 clear_bit(usage->code, *bit);
206
207 return 0;
208 }
209
210 static int lg_event(struct hid_device *hdev, struct hid_field *field,
211 struct hid_usage *usage, __s32 value)
212 {
213 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
214
215 if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
216 input_event(field->hidinput->input, usage->type, usage->code,
217 -value);
218 return 1;
219 }
220
221 return 0;
222 }
223
224 static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
225 {
226 unsigned long quirks = id->driver_data;
227 unsigned int connect_mask = HID_CONNECT_DEFAULT;
228 int ret;
229
230 hid_set_drvdata(hdev, (void *)quirks);
231
232 if (quirks & LG_NOGET)
233 hdev->quirks |= HID_QUIRK_NOGET;
234
235 ret = hid_parse(hdev);
236 if (ret) {
237 dev_err(&hdev->dev, "parse failed\n");
238 goto err_free;
239 }
240
241 if (quirks & (LG_FF | LG_FF2))
242 connect_mask &= ~HID_CONNECT_FF;
243
244 ret = hid_hw_start(hdev, connect_mask);
245 if (ret) {
246 dev_err(&hdev->dev, "hw start failed\n");
247 goto err_free;
248 }
249
250 if (quirks & LG_FF)
251 lgff_init(hdev);
252 if (quirks & LG_FF2)
253 lg2ff_init(hdev);
254
255 return 0;
256 err_free:
257 return ret;
258 }
259
260 static const struct hid_device_id lg_devices[] = {
261 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
262 .driver_data = LG_RDESC | LG_WIRELESS },
263 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
264 .driver_data = LG_RDESC | LG_WIRELESS },
265 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
266 .driver_data = LG_RDESC | LG_WIRELESS },
267
268 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
269 .driver_data = LG_BAD_RELATIVE_KEYS },
270
271 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
272 .driver_data = LG_DUPLICATE_USAGES },
273 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
274 .driver_data = LG_DUPLICATE_USAGES },
275 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
276 .driver_data = LG_DUPLICATE_USAGES },
277
278 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
279 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
280 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
281 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
282
283 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
284 .driver_data = LG_NOGET },
285 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
286 .driver_data = LG_NOGET | LG_FF },
287
288 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
289 .driver_data = LG_FF },
290 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
291 .driver_data = LG_FF },
292 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
293 .driver_data = LG_FF },
294 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
295 .driver_data = LG_FF },
296 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
297 .driver_data = LG_FF },
298 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
299 .driver_data = LG_FF },
300 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
301 .driver_data = LG_FF },
302 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
303 .driver_data = LG_FF2 },
304 { }
305 };
306 MODULE_DEVICE_TABLE(hid, lg_devices);
307
308 static struct hid_driver lg_driver = {
309 .name = "logitech",
310 .id_table = lg_devices,
311 .report_fixup = lg_report_fixup,
312 .input_mapping = lg_input_mapping,
313 .input_mapped = lg_input_mapped,
314 .event = lg_event,
315 .probe = lg_probe,
316 };
317
318 static int lg_init(void)
319 {
320 return hid_register_driver(&lg_driver);
321 }
322
323 static void lg_exit(void)
324 {
325 hid_unregister_driver(&lg_driver);
326 }
327
328 module_init(lg_init);
329 module_exit(lg_exit);
330 MODULE_LICENSE("GPL");
331
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