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[deliverable/linux.git] / drivers / hid / hid-kye.c
1 /*
2 * HID driver for Kye/Genius devices not fully compliant with HID standard
3 *
4 * Copyright (c) 2009 Jiri Kosina
5 * Copyright (c) 2009 Tomas Hanak
6 * Copyright (c) 2012 Nikolai Kondrashov
7 */
8
9 /*
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the Free
12 * Software Foundation; either version 2 of the License, or (at your option)
13 * any later version.
14 */
15
16 #include <linux/device.h>
17 #include <linux/hid.h>
18 #include <linux/module.h>
19
20 #include "hid-ids.h"
21
22 /*
23 * See EasyPen i405X description, device and HID report descriptors at
24 * http://sf.net/apps/mediawiki/digimend/?title=KYE_EasyPen_i405X
25 */
26
27 /* Original EasyPen i405X report descriptor size */
28 #define EASYPEN_I405X_RDESC_ORIG_SIZE 476
29
30 /* Fixed EasyPen i405X report descriptor */
31 static __u8 easypen_i405x_rdesc_fixed[] = {
32 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
33 0x09, 0x01, /* Usage (01h), */
34 0xA1, 0x01, /* Collection (Application), */
35 0x85, 0x05, /* Report ID (5), */
36 0x09, 0x01, /* Usage (01h), */
37 0x15, 0x80, /* Logical Minimum (-128), */
38 0x25, 0x7F, /* Logical Maximum (127), */
39 0x75, 0x08, /* Report Size (8), */
40 0x95, 0x07, /* Report Count (7), */
41 0xB1, 0x02, /* Feature (Variable), */
42 0xC0, /* End Collection, */
43 0x05, 0x0D, /* Usage Page (Digitizer), */
44 0x09, 0x02, /* Usage (Pen), */
45 0xA1, 0x01, /* Collection (Application), */
46 0x85, 0x10, /* Report ID (16), */
47 0x09, 0x20, /* Usage (Stylus), */
48 0xA0, /* Collection (Physical), */
49 0x14, /* Logical Minimum (0), */
50 0x25, 0x01, /* Logical Maximum (1), */
51 0x75, 0x01, /* Report Size (1), */
52 0x09, 0x42, /* Usage (Tip Switch), */
53 0x09, 0x44, /* Usage (Barrel Switch), */
54 0x09, 0x46, /* Usage (Tablet Pick), */
55 0x95, 0x03, /* Report Count (3), */
56 0x81, 0x02, /* Input (Variable), */
57 0x95, 0x04, /* Report Count (4), */
58 0x81, 0x03, /* Input (Constant, Variable), */
59 0x09, 0x32, /* Usage (In Range), */
60 0x95, 0x01, /* Report Count (1), */
61 0x81, 0x02, /* Input (Variable), */
62 0x75, 0x10, /* Report Size (16), */
63 0x95, 0x01, /* Report Count (1), */
64 0xA4, /* Push, */
65 0x05, 0x01, /* Usage Page (Desktop), */
66 0x55, 0xFD, /* Unit Exponent (-3), */
67 0x65, 0x13, /* Unit (Inch), */
68 0x34, /* Physical Minimum (0), */
69 0x09, 0x30, /* Usage (X), */
70 0x46, 0x7C, 0x15, /* Physical Maximum (5500), */
71 0x26, 0x00, 0x37, /* Logical Maximum (14080), */
72 0x81, 0x02, /* Input (Variable), */
73 0x09, 0x31, /* Usage (Y), */
74 0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */
75 0x26, 0x00, 0x28, /* Logical Maximum (10240), */
76 0x81, 0x02, /* Input (Variable), */
77 0xB4, /* Pop, */
78 0x09, 0x30, /* Usage (Tip Pressure), */
79 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
80 0x81, 0x02, /* Input (Variable), */
81 0xC0, /* End Collection, */
82 0xC0 /* End Collection */
83 };
84
85 /*
86 * See MousePen i608X description, device and HID report descriptors at
87 * http://sf.net/apps/mediawiki/digimend/?title=KYE_MousePen_i608X
88 */
89
90 /* Original MousePen i608X report descriptor size */
91 #define MOUSEPEN_I608X_RDESC_ORIG_SIZE 476
92
93 /* Fixed MousePen i608X report descriptor */
94 static __u8 mousepen_i608x_rdesc_fixed[] = {
95 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
96 0x09, 0x01, /* Usage (01h), */
97 0xA1, 0x01, /* Collection (Application), */
98 0x85, 0x05, /* Report ID (5), */
99 0x09, 0x01, /* Usage (01h), */
100 0x15, 0x80, /* Logical Minimum (-128), */
101 0x25, 0x7F, /* Logical Maximum (127), */
102 0x75, 0x08, /* Report Size (8), */
103 0x95, 0x07, /* Report Count (7), */
104 0xB1, 0x02, /* Feature (Variable), */
105 0xC0, /* End Collection, */
106 0x05, 0x0D, /* Usage Page (Digitizer), */
107 0x09, 0x02, /* Usage (Pen), */
108 0xA1, 0x01, /* Collection (Application), */
109 0x85, 0x10, /* Report ID (16), */
110 0x09, 0x20, /* Usage (Stylus), */
111 0xA0, /* Collection (Physical), */
112 0x14, /* Logical Minimum (0), */
113 0x25, 0x01, /* Logical Maximum (1), */
114 0x75, 0x01, /* Report Size (1), */
115 0x09, 0x42, /* Usage (Tip Switch), */
116 0x09, 0x44, /* Usage (Barrel Switch), */
117 0x09, 0x46, /* Usage (Tablet Pick), */
118 0x95, 0x03, /* Report Count (3), */
119 0x81, 0x02, /* Input (Variable), */
120 0x95, 0x04, /* Report Count (4), */
121 0x81, 0x03, /* Input (Constant, Variable), */
122 0x09, 0x32, /* Usage (In Range), */
123 0x95, 0x01, /* Report Count (1), */
124 0x81, 0x02, /* Input (Variable), */
125 0x75, 0x10, /* Report Size (16), */
126 0x95, 0x01, /* Report Count (1), */
127 0xA4, /* Push, */
128 0x05, 0x01, /* Usage Page (Desktop), */
129 0x55, 0xFD, /* Unit Exponent (-3), */
130 0x65, 0x13, /* Unit (Inch), */
131 0x34, /* Physical Minimum (0), */
132 0x09, 0x30, /* Usage (X), */
133 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */
134 0x26, 0x00, 0x50, /* Logical Maximum (20480), */
135 0x81, 0x02, /* Input (Variable), */
136 0x09, 0x31, /* Usage (Y), */
137 0x46, 0x70, 0x17, /* Physical Maximum (6000), */
138 0x26, 0x00, 0x3C, /* Logical Maximum (15360), */
139 0x81, 0x02, /* Input (Variable), */
140 0xB4, /* Pop, */
141 0x09, 0x30, /* Usage (Tip Pressure), */
142 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
143 0x81, 0x02, /* Input (Variable), */
144 0xC0, /* End Collection, */
145 0xC0, /* End Collection, */
146 0x05, 0x01, /* Usage Page (Desktop), */
147 0x09, 0x02, /* Usage (Mouse), */
148 0xA1, 0x01, /* Collection (Application), */
149 0x85, 0x11, /* Report ID (17), */
150 0x09, 0x01, /* Usage (Pointer), */
151 0xA0, /* Collection (Physical), */
152 0x14, /* Logical Minimum (0), */
153 0xA4, /* Push, */
154 0x05, 0x09, /* Usage Page (Button), */
155 0x75, 0x01, /* Report Size (1), */
156 0x19, 0x01, /* Usage Minimum (01h), */
157 0x29, 0x03, /* Usage Maximum (03h), */
158 0x25, 0x01, /* Logical Maximum (1), */
159 0x95, 0x03, /* Report Count (3), */
160 0x81, 0x02, /* Input (Variable), */
161 0x95, 0x05, /* Report Count (5), */
162 0x81, 0x01, /* Input (Constant), */
163 0xB4, /* Pop, */
164 0x95, 0x01, /* Report Count (1), */
165 0xA4, /* Push, */
166 0x55, 0xFD, /* Unit Exponent (-3), */
167 0x65, 0x13, /* Unit (Inch), */
168 0x34, /* Physical Minimum (0), */
169 0x75, 0x10, /* Report Size (16), */
170 0x09, 0x30, /* Usage (X), */
171 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */
172 0x26, 0x00, 0x50, /* Logical Maximum (20480), */
173 0x81, 0x02, /* Input (Variable), */
174 0x09, 0x31, /* Usage (Y), */
175 0x46, 0x70, 0x17, /* Physical Maximum (6000), */
176 0x26, 0x00, 0x3C, /* Logical Maximum (15360), */
177 0x81, 0x02, /* Input (Variable), */
178 0xB4, /* Pop, */
179 0x75, 0x08, /* Report Size (8), */
180 0x09, 0x38, /* Usage (Wheel), */
181 0x15, 0xFF, /* Logical Minimum (-1), */
182 0x25, 0x01, /* Logical Maximum (1), */
183 0x81, 0x06, /* Input (Variable, Relative), */
184 0x81, 0x01, /* Input (Constant), */
185 0xC0, /* End Collection, */
186 0xC0 /* End Collection */
187 };
188
189 /*
190 * See EasyPen M610X description, device and HID report descriptors at
191 * http://sf.net/apps/mediawiki/digimend/?title=KYE_EasyPen_M610X
192 */
193
194 /* Original EasyPen M610X report descriptor size */
195 #define EASYPEN_M610X_RDESC_ORIG_SIZE 476
196
197 /* Fixed EasyPen M610X report descriptor */
198 static __u8 easypen_m610x_rdesc_fixed[] = {
199 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
200 0x09, 0x01, /* Usage (01h), */
201 0xA1, 0x01, /* Collection (Application), */
202 0x85, 0x05, /* Report ID (5), */
203 0x09, 0x01, /* Usage (01h), */
204 0x15, 0x80, /* Logical Minimum (-128), */
205 0x25, 0x7F, /* Logical Maximum (127), */
206 0x75, 0x08, /* Report Size (8), */
207 0x95, 0x07, /* Report Count (7), */
208 0xB1, 0x02, /* Feature (Variable), */
209 0xC0, /* End Collection, */
210 0x05, 0x0D, /* Usage Page (Digitizer), */
211 0x09, 0x02, /* Usage (Pen), */
212 0xA1, 0x01, /* Collection (Application), */
213 0x85, 0x10, /* Report ID (16), */
214 0x09, 0x20, /* Usage (Stylus), */
215 0xA0, /* Collection (Physical), */
216 0x14, /* Logical Minimum (0), */
217 0x25, 0x01, /* Logical Maximum (1), */
218 0x75, 0x01, /* Report Size (1), */
219 0x09, 0x42, /* Usage (Tip Switch), */
220 0x09, 0x44, /* Usage (Barrel Switch), */
221 0x09, 0x46, /* Usage (Tablet Pick), */
222 0x95, 0x03, /* Report Count (3), */
223 0x81, 0x02, /* Input (Variable), */
224 0x95, 0x04, /* Report Count (4), */
225 0x81, 0x03, /* Input (Constant, Variable), */
226 0x09, 0x32, /* Usage (In Range), */
227 0x95, 0x01, /* Report Count (1), */
228 0x81, 0x02, /* Input (Variable), */
229 0x75, 0x10, /* Report Size (16), */
230 0x95, 0x01, /* Report Count (1), */
231 0xA4, /* Push, */
232 0x05, 0x01, /* Usage Page (Desktop), */
233 0x55, 0xFD, /* Unit Exponent (-3), */
234 0x65, 0x13, /* Unit (Inch), */
235 0x34, /* Physical Minimum (0), */
236 0x09, 0x30, /* Usage (X), */
237 0x46, 0x10, 0x27, /* Physical Maximum (10000), */
238 0x27, 0x00, 0xA0, 0x00, 0x00, /* Logical Maximum (40960), */
239 0x81, 0x02, /* Input (Variable), */
240 0x09, 0x31, /* Usage (Y), */
241 0x46, 0x6A, 0x18, /* Physical Maximum (6250), */
242 0x26, 0x00, 0x64, /* Logical Maximum (25600), */
243 0x81, 0x02, /* Input (Variable), */
244 0xB4, /* Pop, */
245 0x09, 0x30, /* Usage (Tip Pressure), */
246 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
247 0x81, 0x02, /* Input (Variable), */
248 0xC0, /* End Collection, */
249 0xC0, /* End Collection, */
250 0x05, 0x0C, /* Usage Page (Consumer), */
251 0x09, 0x01, /* Usage (Consumer Control), */
252 0xA1, 0x01, /* Collection (Application), */
253 0x85, 0x12, /* Report ID (18), */
254 0x14, /* Logical Minimum (0), */
255 0x25, 0x01, /* Logical Maximum (1), */
256 0x75, 0x01, /* Report Size (1), */
257 0x95, 0x04, /* Report Count (4), */
258 0x0A, 0x1A, 0x02, /* Usage (AC Undo), */
259 0x0A, 0x79, 0x02, /* Usage (AC Redo Or Repeat), */
260 0x0A, 0x2D, 0x02, /* Usage (AC Zoom In), */
261 0x0A, 0x2E, 0x02, /* Usage (AC Zoom Out), */
262 0x81, 0x02, /* Input (Variable), */
263 0x95, 0x01, /* Report Count (1), */
264 0x75, 0x14, /* Report Size (20), */
265 0x81, 0x03, /* Input (Constant, Variable), */
266 0x75, 0x20, /* Report Size (32), */
267 0x81, 0x03, /* Input (Constant, Variable), */
268 0xC0 /* End Collection */
269 };
270
271 static __u8 *kye_consumer_control_fixup(struct hid_device *hdev, __u8 *rdesc,
272 unsigned int *rsize, int offset, const char *device_name) {
273 /*
274 * the fixup that need to be done:
275 * - change Usage Maximum in the Comsumer Control
276 * (report ID 3) to a reasonable value
277 */
278 if (*rsize >= offset + 31 &&
279 /* Usage Page (Consumer Devices) */
280 rdesc[offset] == 0x05 && rdesc[offset + 1] == 0x0c &&
281 /* Usage (Consumer Control) */
282 rdesc[offset + 2] == 0x09 && rdesc[offset + 3] == 0x01 &&
283 /* Usage Maximum > 12287 */
284 rdesc[offset + 10] == 0x2a && rdesc[offset + 12] > 0x2f) {
285 hid_info(hdev, "fixing up %s report descriptor\n", device_name);
286 rdesc[offset + 12] = 0x2f;
287 }
288 return rdesc;
289 }
290
291 static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc,
292 unsigned int *rsize)
293 {
294 switch (hdev->product) {
295 case USB_DEVICE_ID_KYE_ERGO_525V:
296 /* the fixups that need to be done:
297 * - change led usage page to button for extra buttons
298 * - report size 8 count 1 must be size 1 count 8 for button
299 * bitfield
300 * - change the button usage range to 4-7 for the extra
301 * buttons
302 */
303 if (*rsize >= 75 &&
304 rdesc[61] == 0x05 && rdesc[62] == 0x08 &&
305 rdesc[63] == 0x19 && rdesc[64] == 0x08 &&
306 rdesc[65] == 0x29 && rdesc[66] == 0x0f &&
307 rdesc[71] == 0x75 && rdesc[72] == 0x08 &&
308 rdesc[73] == 0x95 && rdesc[74] == 0x01) {
309 hid_info(hdev,
310 "fixing up Kye/Genius Ergo Mouse "
311 "report descriptor\n");
312 rdesc[62] = 0x09;
313 rdesc[64] = 0x04;
314 rdesc[66] = 0x07;
315 rdesc[72] = 0x01;
316 rdesc[74] = 0x08;
317 }
318 break;
319 case USB_DEVICE_ID_KYE_EASYPEN_I405X:
320 if (*rsize == EASYPEN_I405X_RDESC_ORIG_SIZE) {
321 rdesc = easypen_i405x_rdesc_fixed;
322 *rsize = sizeof(easypen_i405x_rdesc_fixed);
323 }
324 break;
325 case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
326 case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2:
327 if (*rsize == MOUSEPEN_I608X_RDESC_ORIG_SIZE) {
328 rdesc = mousepen_i608x_rdesc_fixed;
329 *rsize = sizeof(mousepen_i608x_rdesc_fixed);
330 }
331 break;
332 case USB_DEVICE_ID_KYE_EASYPEN_M610X:
333 if (*rsize == EASYPEN_M610X_RDESC_ORIG_SIZE) {
334 rdesc = easypen_m610x_rdesc_fixed;
335 *rsize = sizeof(easypen_m610x_rdesc_fixed);
336 }
337 break;
338 case USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE:
339 rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104,
340 "Genius Gila Gaming Mouse");
341 break;
342 case USB_DEVICE_ID_GENIUS_GX_IMPERATOR:
343 rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 83,
344 "Genius Gx Imperator Keyboard");
345 break;
346 case USB_DEVICE_ID_GENIUS_MANTICORE:
347 rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104,
348 "Genius Manticore Keyboard");
349 break;
350 }
351 return rdesc;
352 }
353
354 /**
355 * Enable fully-functional tablet mode by setting a special feature report.
356 *
357 * @hdev: HID device
358 *
359 * The specific report ID and data were discovered by sniffing the
360 * Windows driver traffic.
361 */
362 static int kye_tablet_enable(struct hid_device *hdev)
363 {
364 struct list_head *list;
365 struct list_head *head;
366 struct hid_report *report;
367 __s32 *value;
368
369 list = &hdev->report_enum[HID_FEATURE_REPORT].report_list;
370 list_for_each(head, list) {
371 report = list_entry(head, struct hid_report, list);
372 if (report->id == 5)
373 break;
374 }
375
376 if (head == list) {
377 hid_err(hdev, "tablet-enabling feature report not found\n");
378 return -ENODEV;
379 }
380
381 if (report->maxfield < 1 || report->field[0]->report_count < 7) {
382 hid_err(hdev, "invalid tablet-enabling feature report\n");
383 return -ENODEV;
384 }
385
386 value = report->field[0]->value;
387
388 value[0] = 0x12;
389 value[1] = 0x10;
390 value[2] = 0x11;
391 value[3] = 0x12;
392 value[4] = 0x00;
393 value[5] = 0x00;
394 value[6] = 0x00;
395 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
396
397 return 0;
398 }
399
400 static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id)
401 {
402 int ret;
403
404 ret = hid_parse(hdev);
405 if (ret) {
406 hid_err(hdev, "parse failed\n");
407 goto err;
408 }
409
410 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
411 if (ret) {
412 hid_err(hdev, "hw start failed\n");
413 goto err;
414 }
415
416 switch (id->product) {
417 case USB_DEVICE_ID_KYE_EASYPEN_I405X:
418 case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
419 case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2:
420 case USB_DEVICE_ID_KYE_EASYPEN_M610X:
421 ret = kye_tablet_enable(hdev);
422 if (ret) {
423 hid_err(hdev, "tablet enabling failed\n");
424 goto enabling_err;
425 }
426 break;
427 case USB_DEVICE_ID_GENIUS_MANTICORE:
428 /*
429 * The manticore keyboard needs to have all the interfaces
430 * opened at least once to be fully functional.
431 */
432 if (hid_hw_open(hdev))
433 hid_hw_close(hdev);
434 break;
435 }
436
437 return 0;
438 enabling_err:
439 hid_hw_stop(hdev);
440 err:
441 return ret;
442 }
443
444 static const struct hid_device_id kye_devices[] = {
445 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
446 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
447 USB_DEVICE_ID_KYE_EASYPEN_I405X) },
448 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
449 USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
450 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
451 USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
452 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
453 USB_DEVICE_ID_KYE_EASYPEN_M610X) },
454 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
455 USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
456 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
457 USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
458 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
459 USB_DEVICE_ID_GENIUS_MANTICORE) },
460 { }
461 };
462 MODULE_DEVICE_TABLE(hid, kye_devices);
463
464 static struct hid_driver kye_driver = {
465 .name = "kye",
466 .id_table = kye_devices,
467 .probe = kye_probe,
468 .report_fixup = kye_report_fixup,
469 };
470 module_hid_driver(kye_driver);
471
472 MODULE_LICENSE("GPL");
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