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gerrit-public.fairphone.software / kernel / msm-4.9 / 5815d5e7aae3cc9c5e85af83094d4d6498c3f4fc / . / drivers / hid / hid-kye.c
blob: b4f0d8216fd099bd69a2531600c02a241c42929f [file] [log] [blame]
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]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
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +0200[diff] [blame]6 * Copyright (c) 2012 Nikolai Kondrashov
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]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>
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +0200[diff] [blame]19#include <linux/usb.h>
20#include "usbhid/usbhid.h"
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]21
22#include "hid-ids.h"
23
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +0200[diff] [blame]24/*
25 * See EasyPen i405X description, device and HID report descriptors at
26 * http://sf.net/apps/mediawiki/digimend/?title=KYE_EasyPen_i405X
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]27 */
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +0200[diff] [blame]28
29/* Original EasyPen i405X report descriptor size */
30#define EASYPEN_I405X_RDESC_ORIG_SIZE 476
31
32/* Fixed EasyPen i405X report descriptor */
33static __u8 easypen_i405x_rdesc_fixed[] = {
34 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
35 0x09, 0x01, /* Usage (01h), */
36 0xA1, 0x01, /* Collection (Application), */
37 0x85, 0x05, /* Report ID (5), */
38 0x09, 0x01, /* Usage (01h), */
39 0x15, 0x80, /* Logical Minimum (-128), */
40 0x25, 0x7F, /* Logical Maximum (127), */
41 0x75, 0x08, /* Report Size (8), */
42 0x95, 0x07, /* Report Count (7), */
43 0xB1, 0x02, /* Feature (Variable), */
44 0xC0, /* End Collection, */
45 0x05, 0x0D, /* Usage Page (Digitizer), */
46 0x09, 0x02, /* Usage (Pen), */
47 0xA1, 0x01, /* Collection (Application), */
48 0x85, 0x10, /* Report ID (16), */
49 0x09, 0x20, /* Usage (Stylus), */
50 0xA0, /* Collection (Physical), */
51 0x14, /* Logical Minimum (0), */
52 0x25, 0x01, /* Logical Maximum (1), */
53 0x75, 0x01, /* Report Size (1), */
54 0x09, 0x42, /* Usage (Tip Switch), */
55 0x09, 0x44, /* Usage (Barrel Switch), */
56 0x09, 0x46, /* Usage (Tablet Pick), */
57 0x95, 0x03, /* Report Count (3), */
58 0x81, 0x02, /* Input (Variable), */
59 0x95, 0x04, /* Report Count (4), */
60 0x81, 0x03, /* Input (Constant, Variable), */
61 0x09, 0x32, /* Usage (In Range), */
62 0x95, 0x01, /* Report Count (1), */
63 0x81, 0x02, /* Input (Variable), */
64 0x75, 0x10, /* Report Size (16), */
65 0x95, 0x01, /* Report Count (1), */
66 0xA4, /* Push, */
67 0x05, 0x01, /* Usage Page (Desktop), */
68 0x55, 0xFD, /* Unit Exponent (-3), */
69 0x65, 0x13, /* Unit (Inch), */
70 0x34, /* Physical Minimum (0), */
71 0x09, 0x30, /* Usage (X), */
72 0x46, 0x7C, 0x15, /* Physical Maximum (5500), */
73 0x26, 0x00, 0x37, /* Logical Maximum (14080), */
74 0x81, 0x02, /* Input (Variable), */
75 0x09, 0x31, /* Usage (Y), */
76 0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */
77 0x26, 0x00, 0x28, /* Logical Maximum (10240), */
78 0x81, 0x02, /* Input (Variable), */
79 0xB4, /* Pop, */
80 0x09, 0x30, /* Usage (Tip Pressure), */
81 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
82 0x81, 0x02, /* Input (Variable), */
83 0xC0, /* End Collection, */
84 0xC0 /* End Collection */
85};
86
87/*
88 * See MousePen i608X description, device and HID report descriptors at
89 * http://sf.net/apps/mediawiki/digimend/?title=KYE_MousePen_i608X
90 */
91
92/* Original MousePen i608X report descriptor size */
93#define MOUSEPEN_I608X_RDESC_ORIG_SIZE 476
94
95/* Fixed MousePen i608X report descriptor */
96static __u8 mousepen_i608x_rdesc_fixed[] = {
97 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
98 0x09, 0x01, /* Usage (01h), */
99 0xA1, 0x01, /* Collection (Application), */
100 0x85, 0x05, /* Report ID (5), */
101 0x09, 0x01, /* Usage (01h), */
102 0x15, 0x80, /* Logical Minimum (-128), */
103 0x25, 0x7F, /* Logical Maximum (127), */
104 0x75, 0x08, /* Report Size (8), */
105 0x95, 0x07, /* Report Count (7), */
106 0xB1, 0x02, /* Feature (Variable), */
107 0xC0, /* End Collection, */
108 0x05, 0x0D, /* Usage Page (Digitizer), */
109 0x09, 0x02, /* Usage (Pen), */
110 0xA1, 0x01, /* Collection (Application), */
111 0x85, 0x10, /* Report ID (16), */
112 0x09, 0x20, /* Usage (Stylus), */
113 0xA0, /* Collection (Physical), */
114 0x14, /* Logical Minimum (0), */
115 0x25, 0x01, /* Logical Maximum (1), */
116 0x75, 0x01, /* Report Size (1), */
117 0x09, 0x42, /* Usage (Tip Switch), */
118 0x09, 0x44, /* Usage (Barrel Switch), */
119 0x09, 0x46, /* Usage (Tablet Pick), */
120 0x95, 0x03, /* Report Count (3), */
121 0x81, 0x02, /* Input (Variable), */
122 0x95, 0x04, /* Report Count (4), */
123 0x81, 0x03, /* Input (Constant, Variable), */
124 0x09, 0x32, /* Usage (In Range), */
125 0x95, 0x01, /* Report Count (1), */
126 0x81, 0x02, /* Input (Variable), */
127 0x75, 0x10, /* Report Size (16), */
128 0x95, 0x01, /* Report Count (1), */
129 0xA4, /* Push, */
130 0x05, 0x01, /* Usage Page (Desktop), */
131 0x55, 0xFD, /* Unit Exponent (-3), */
132 0x65, 0x13, /* Unit (Inch), */
133 0x34, /* Physical Minimum (0), */
134 0x09, 0x30, /* Usage (X), */
135 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */
136 0x26, 0x00, 0x50, /* Logical Maximum (20480), */
137 0x81, 0x02, /* Input (Variable), */
138 0x09, 0x31, /* Usage (Y), */
139 0x46, 0x70, 0x17, /* Physical Maximum (6000), */
140 0x26, 0x00, 0x3C, /* Logical Maximum (15360), */
141 0x81, 0x02, /* Input (Variable), */
142 0xB4, /* Pop, */
143 0x09, 0x30, /* Usage (Tip Pressure), */
144 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
145 0x81, 0x02, /* Input (Variable), */
146 0xC0, /* End Collection, */
147 0xC0, /* End Collection, */
148 0x05, 0x01, /* Usage Page (Desktop), */
149 0x09, 0x02, /* Usage (Mouse), */
150 0xA1, 0x01, /* Collection (Application), */
151 0x85, 0x11, /* Report ID (17), */
152 0x09, 0x01, /* Usage (Pointer), */
153 0xA0, /* Collection (Physical), */
154 0x14, /* Logical Minimum (0), */
155 0xA4, /* Push, */
156 0x05, 0x09, /* Usage Page (Button), */
157 0x75, 0x01, /* Report Size (1), */
158 0x19, 0x01, /* Usage Minimum (01h), */
159 0x29, 0x03, /* Usage Maximum (03h), */
160 0x25, 0x01, /* Logical Maximum (1), */
161 0x95, 0x03, /* Report Count (3), */
162 0x81, 0x02, /* Input (Variable), */
163 0x95, 0x05, /* Report Count (5), */
164 0x81, 0x01, /* Input (Constant), */
165 0xB4, /* Pop, */
166 0x95, 0x01, /* Report Count (1), */
167 0xA4, /* Push, */
168 0x55, 0xFD, /* Unit Exponent (-3), */
169 0x65, 0x13, /* Unit (Inch), */
170 0x34, /* Physical Minimum (0), */
171 0x75, 0x10, /* Report Size (16), */
172 0x09, 0x30, /* Usage (X), */
173 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */
174 0x26, 0x00, 0x50, /* Logical Maximum (20480), */
175 0x81, 0x02, /* Input (Variable), */
176 0x09, 0x31, /* Usage (Y), */
177 0x46, 0x70, 0x17, /* Physical Maximum (6000), */
178 0x26, 0x00, 0x3C, /* Logical Maximum (15360), */
179 0x81, 0x02, /* Input (Variable), */
180 0xB4, /* Pop, */
181 0x75, 0x08, /* Report Size (8), */
182 0x09, 0x38, /* Usage (Wheel), */
183 0x15, 0xFF, /* Logical Minimum (-1), */
184 0x25, 0x01, /* Logical Maximum (1), */
185 0x81, 0x06, /* Input (Variable, Relative), */
186 0x81, 0x01, /* Input (Constant), */
187 0xC0, /* End Collection, */
188 0xC0 /* End Collection */
189};
190
191/*
192 * See EasyPen M610X description, device and HID report descriptors at
193 * http://sf.net/apps/mediawiki/digimend/?title=KYE_EasyPen_M610X
194 */
195
196/* Original EasyPen M610X report descriptor size */
197#define EASYPEN_M610X_RDESC_ORIG_SIZE 476
198
199/* Fixed EasyPen M610X report descriptor */
200static __u8 easypen_m610x_rdesc_fixed[] = {
201 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
202 0x09, 0x01, /* Usage (01h), */
203 0xA1, 0x01, /* Collection (Application), */
204 0x85, 0x05, /* Report ID (5), */
205 0x09, 0x01, /* Usage (01h), */
206 0x15, 0x80, /* Logical Minimum (-128), */
207 0x25, 0x7F, /* Logical Maximum (127), */
208 0x75, 0x08, /* Report Size (8), */
209 0x95, 0x07, /* Report Count (7), */
210 0xB1, 0x02, /* Feature (Variable), */
211 0xC0, /* End Collection, */
212 0x05, 0x0D, /* Usage Page (Digitizer), */
213 0x09, 0x02, /* Usage (Pen), */
214 0xA1, 0x01, /* Collection (Application), */
215 0x85, 0x10, /* Report ID (16), */
216 0x09, 0x20, /* Usage (Stylus), */
217 0xA0, /* Collection (Physical), */
218 0x14, /* Logical Minimum (0), */
219 0x25, 0x01, /* Logical Maximum (1), */
220 0x75, 0x01, /* Report Size (1), */
221 0x09, 0x42, /* Usage (Tip Switch), */
222 0x09, 0x44, /* Usage (Barrel Switch), */
223 0x09, 0x46, /* Usage (Tablet Pick), */
224 0x95, 0x03, /* Report Count (3), */
225 0x81, 0x02, /* Input (Variable), */
226 0x95, 0x04, /* Report Count (4), */
227 0x81, 0x03, /* Input (Constant, Variable), */
228 0x09, 0x32, /* Usage (In Range), */
229 0x95, 0x01, /* Report Count (1), */
230 0x81, 0x02, /* Input (Variable), */
231 0x75, 0x10, /* Report Size (16), */
232 0x95, 0x01, /* Report Count (1), */
233 0xA4, /* Push, */
234 0x05, 0x01, /* Usage Page (Desktop), */
235 0x55, 0xFD, /* Unit Exponent (-3), */
236 0x65, 0x13, /* Unit (Inch), */
237 0x34, /* Physical Minimum (0), */
238 0x09, 0x30, /* Usage (X), */
239 0x46, 0x10, 0x27, /* Physical Maximum (10000), */
240 0x27, 0x00, 0xA0, 0x00, 0x00, /* Logical Maximum (40960), */
241 0x81, 0x02, /* Input (Variable), */
242 0x09, 0x31, /* Usage (Y), */
243 0x46, 0x6A, 0x18, /* Physical Maximum (6250), */
244 0x26, 0x00, 0x64, /* Logical Maximum (25600), */
245 0x81, 0x02, /* Input (Variable), */
246 0xB4, /* Pop, */
247 0x09, 0x30, /* Usage (Tip Pressure), */
248 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
249 0x81, 0x02, /* Input (Variable), */
250 0xC0, /* End Collection, */
251 0xC0, /* End Collection, */
252 0x05, 0x0C, /* Usage Page (Consumer), */
253 0x09, 0x01, /* Usage (Consumer Control), */
254 0xA1, 0x01, /* Collection (Application), */
255 0x85, 0x12, /* Report ID (18), */
256 0x14, /* Logical Minimum (0), */
257 0x25, 0x01, /* Logical Maximum (1), */
258 0x75, 0x01, /* Report Size (1), */
259 0x95, 0x04, /* Report Count (4), */
260 0x0A, 0x1A, 0x02, /* Usage (AC Undo), */
261 0x0A, 0x79, 0x02, /* Usage (AC Redo Or Repeat), */
262 0x0A, 0x2D, 0x02, /* Usage (AC Zoom In), */
263 0x0A, 0x2E, 0x02, /* Usage (AC Zoom Out), */
264 0x81, 0x02, /* Input (Variable), */
265 0x95, 0x01, /* Report Count (1), */
266 0x75, 0x14, /* Report Size (20), */
267 0x81, 0x03, /* Input (Constant, Variable), */
268 0x75, 0x20, /* Report Size (32), */
269 0x81, 0x03, /* Input (Constant, Variable), */
270 0xC0 /* End Collection */
271};
272
Nikolai Kondrashov73e40082010-08-06 23:03:06 +0400[diff] [blame]273static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc,
274 unsigned int *rsize)
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]275{
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +0200[diff] [blame]276 switch (hdev->product) {
277 case USB_DEVICE_ID_KYE_ERGO_525V:
278 /* the fixups that need to be done:
279 * - change led usage page to button for extra buttons
280 * - report size 8 count 1 must be size 1 count 8 for button
281 * bitfield
282 * - change the button usage range to 4-7 for the extra
283 * buttons
284 */
285 if (*rsize >= 74 &&
286 rdesc[61] == 0x05 && rdesc[62] == 0x08 &&
287 rdesc[63] == 0x19 && rdesc[64] == 0x08 &&
288 rdesc[65] == 0x29 && rdesc[66] == 0x0f &&
289 rdesc[71] == 0x75 && rdesc[72] == 0x08 &&
290 rdesc[73] == 0x95 && rdesc[74] == 0x01) {
291 hid_info(hdev,
292 "fixing up Kye/Genius Ergo Mouse "
293 "report descriptor\n");
294 rdesc[62] = 0x09;
295 rdesc[64] = 0x04;
296 rdesc[66] = 0x07;
297 rdesc[72] = 0x01;
298 rdesc[74] = 0x08;
299 }
300 break;
301 case USB_DEVICE_ID_KYE_EASYPEN_I405X:
302 if (*rsize == EASYPEN_I405X_RDESC_ORIG_SIZE) {
303 rdesc = easypen_i405x_rdesc_fixed;
304 *rsize = sizeof(easypen_i405x_rdesc_fixed);
305 }
306 break;
307 case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
308 if (*rsize == MOUSEPEN_I608X_RDESC_ORIG_SIZE) {
309 rdesc = mousepen_i608x_rdesc_fixed;
310 *rsize = sizeof(mousepen_i608x_rdesc_fixed);
311 }
312 break;
313 case USB_DEVICE_ID_KYE_EASYPEN_M610X:
314 if (*rsize == EASYPEN_M610X_RDESC_ORIG_SIZE) {
315 rdesc = easypen_m610x_rdesc_fixed;
316 *rsize = sizeof(easypen_m610x_rdesc_fixed);
317 }
318 break;
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]319 }
Nikolai Kondrashov73e40082010-08-06 23:03:06 +0400[diff] [blame]320 return rdesc;
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]321}
322
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +0200[diff] [blame]323/**
324 * Enable fully-functional tablet mode by setting a special feature report.
325 *
326 * @hdev: HID device
327 *
328 * The specific report ID and data were discovered by sniffing the
329 * Windows driver traffic.
330 */
331static int kye_tablet_enable(struct hid_device *hdev)
332{
333 struct list_head *list;
334 struct list_head *head;
335 struct hid_report *report;
336 __s32 *value;
337
338 list = &hdev->report_enum[HID_FEATURE_REPORT].report_list;
339 list_for_each(head, list) {
340 report = list_entry(head, struct hid_report, list);
341 if (report->id == 5)
342 break;
343 }
344
345 if (head == list) {
346 hid_err(hdev, "tablet-enabling feature report not found\n");
347 return -ENODEV;
348 }
349
350 if (report->maxfield < 1 || report->field[0]->report_count < 7) {
351 hid_err(hdev, "invalid tablet-enabling feature report\n");
352 return -ENODEV;
353 }
354
355 value = report->field[0]->value;
356
357 value[0] = 0x12;
358 value[1] = 0x10;
359 value[2] = 0x11;
360 value[3] = 0x12;
361 value[4] = 0x00;
362 value[5] = 0x00;
363 value[6] = 0x00;
364 usbhid_submit_report(hdev, report, USB_DIR_OUT);
365
366 return 0;
367}
368
369static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id)
370{
371 int ret;
372
373 ret = hid_parse(hdev);
374 if (ret) {
375 hid_err(hdev, "parse failed\n");
376 goto err;
377 }
378
379 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
380 if (ret) {
381 hid_err(hdev, "hw start failed\n");
382 goto err;
383 }
384
385 switch (id->product) {
386 case USB_DEVICE_ID_KYE_EASYPEN_I405X:
387 case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
388 case USB_DEVICE_ID_KYE_EASYPEN_M610X:
389 ret = kye_tablet_enable(hdev);
390 if (ret) {
391 hid_err(hdev, "tablet enabling failed\n");
392 goto enabling_err;
393 }
394 break;
395 }
396
397 return 0;
398enabling_err:
399 hid_hw_stop(hdev);
400err:
401 return ret;
402}
403
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]404static const struct hid_device_id kye_devices[] = {
405 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +0200[diff] [blame]406 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
407 USB_DEVICE_ID_KYE_EASYPEN_I405X) },
408 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
409 USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
410 { HID_USB_DEVICE(USB_VENDOR_ID_KYE,
411 USB_DEVICE_ID_KYE_EASYPEN_M610X) },
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]412 { }
413};
414MODULE_DEVICE_TABLE(hid, kye_devices);
415
416static struct hid_driver kye_driver = {
417 .name = "kye",
418 .id_table = kye_devices,
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +0200[diff] [blame]419 .probe = kye_probe,
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]420 .report_fixup = kye_report_fixup,
421};
422
Peter Huewea24f423b2009-07-02 19:08:38 +0200[diff] [blame]423static int __init kye_init(void)
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]424{
425 return hid_register_driver(&kye_driver);
426}
427
Peter Huewea24f423b2009-07-02 19:08:38 +0200[diff] [blame]428static void __exit kye_exit(void)
Jiri Kosina79422742009-03-11 11:43:27 +0100[diff] [blame]429{
430 hid_unregister_driver(&kye_driver);
431}
432
433module_init(kye_init);
434module_exit(kye_exit);
435MODULE_LICENSE("GPL");