xref: /linux/drivers/hid/hid-kye.c (revision be709d48329a500621d2a05835283150ae137b45)
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 /* Original EasyPen i405X report descriptor size */
23 #define EASYPEN_I405X_RDESC_ORIG_SIZE	476
24 
25 /* Fixed EasyPen i405X report descriptor */
26 static __u8 easypen_i405x_rdesc_fixed[] = {
27 	0x06, 0x00, 0xFF, /*  Usage Page (FF00h),             */
28 	0x09, 0x01,       /*  Usage (01h),                    */
29 	0xA1, 0x01,       /*  Collection (Application),       */
30 	0x85, 0x05,       /*    Report ID (5),                */
31 	0x09, 0x01,       /*    Usage (01h),                  */
32 	0x15, 0x80,       /*    Logical Minimum (-128),       */
33 	0x25, 0x7F,       /*    Logical Maximum (127),        */
34 	0x75, 0x08,       /*    Report Size (8),              */
35 	0x95, 0x07,       /*    Report Count (7),             */
36 	0xB1, 0x02,       /*    Feature (Variable),           */
37 	0xC0,             /*  End Collection,                 */
38 	0x05, 0x0D,       /*  Usage Page (Digitizer),         */
39 	0x09, 0x02,       /*  Usage (Pen),                    */
40 	0xA1, 0x01,       /*  Collection (Application),       */
41 	0x85, 0x10,       /*    Report ID (16),               */
42 	0x09, 0x20,       /*    Usage (Stylus),               */
43 	0xA0,             /*    Collection (Physical),        */
44 	0x14,             /*      Logical Minimum (0),        */
45 	0x25, 0x01,       /*      Logical Maximum (1),        */
46 	0x75, 0x01,       /*      Report Size (1),            */
47 	0x09, 0x42,       /*      Usage (Tip Switch),         */
48 	0x09, 0x44,       /*      Usage (Barrel Switch),      */
49 	0x09, 0x46,       /*      Usage (Tablet Pick),        */
50 	0x95, 0x03,       /*      Report Count (3),           */
51 	0x81, 0x02,       /*      Input (Variable),           */
52 	0x95, 0x04,       /*      Report Count (4),           */
53 	0x81, 0x03,       /*      Input (Constant, Variable), */
54 	0x09, 0x32,       /*      Usage (In Range),           */
55 	0x95, 0x01,       /*      Report Count (1),           */
56 	0x81, 0x02,       /*      Input (Variable),           */
57 	0x75, 0x10,       /*      Report Size (16),           */
58 	0x95, 0x01,       /*      Report Count (1),           */
59 	0xA4,             /*      Push,                       */
60 	0x05, 0x01,       /*      Usage Page (Desktop),       */
61 	0x55, 0xFD,       /*      Unit Exponent (-3),         */
62 	0x65, 0x13,       /*      Unit (Inch),                */
63 	0x34,             /*      Physical Minimum (0),       */
64 	0x09, 0x30,       /*      Usage (X),                  */
65 	0x46, 0x7C, 0x15, /*      Physical Maximum (5500),    */
66 	0x26, 0x00, 0x37, /*      Logical Maximum (14080),    */
67 	0x81, 0x02,       /*      Input (Variable),           */
68 	0x09, 0x31,       /*      Usage (Y),                  */
69 	0x46, 0xA0, 0x0F, /*      Physical Maximum (4000),    */
70 	0x26, 0x00, 0x28, /*      Logical Maximum (10240),    */
71 	0x81, 0x02,       /*      Input (Variable),           */
72 	0xB4,             /*      Pop,                        */
73 	0x09, 0x30,       /*      Usage (Tip Pressure),       */
74 	0x26, 0xFF, 0x03, /*      Logical Maximum (1023),     */
75 	0x81, 0x02,       /*      Input (Variable),           */
76 	0xC0,             /*    End Collection,               */
77 	0xC0              /*  End Collection                  */
78 };
79 
80 /* Original MousePen i608X report descriptor size */
81 #define MOUSEPEN_I608X_RDESC_ORIG_SIZE	476
82 
83 /* Fixed MousePen i608X report descriptor */
84 static __u8 mousepen_i608x_rdesc_fixed[] = {
85 	0x06, 0x00, 0xFF, /*  Usage Page (FF00h),             */
86 	0x09, 0x01,       /*  Usage (01h),                    */
87 	0xA1, 0x01,       /*  Collection (Application),       */
88 	0x85, 0x05,       /*    Report ID (5),                */
89 	0x09, 0x01,       /*    Usage (01h),                  */
90 	0x15, 0x80,       /*    Logical Minimum (-128),       */
91 	0x25, 0x7F,       /*    Logical Maximum (127),        */
92 	0x75, 0x08,       /*    Report Size (8),              */
93 	0x95, 0x07,       /*    Report Count (7),             */
94 	0xB1, 0x02,       /*    Feature (Variable),           */
95 	0xC0,             /*  End Collection,                 */
96 	0x05, 0x0D,       /*  Usage Page (Digitizer),         */
97 	0x09, 0x02,       /*  Usage (Pen),                    */
98 	0xA1, 0x01,       /*  Collection (Application),       */
99 	0x85, 0x10,       /*    Report ID (16),               */
100 	0x09, 0x20,       /*    Usage (Stylus),               */
101 	0xA0,             /*    Collection (Physical),        */
102 	0x14,             /*      Logical Minimum (0),        */
103 	0x25, 0x01,       /*      Logical Maximum (1),        */
104 	0x75, 0x01,       /*      Report Size (1),            */
105 	0x09, 0x42,       /*      Usage (Tip Switch),         */
106 	0x09, 0x44,       /*      Usage (Barrel Switch),      */
107 	0x09, 0x46,       /*      Usage (Tablet Pick),        */
108 	0x95, 0x03,       /*      Report Count (3),           */
109 	0x81, 0x02,       /*      Input (Variable),           */
110 	0x95, 0x04,       /*      Report Count (4),           */
111 	0x81, 0x03,       /*      Input (Constant, Variable), */
112 	0x09, 0x32,       /*      Usage (In Range),           */
113 	0x95, 0x01,       /*      Report Count (1),           */
114 	0x81, 0x02,       /*      Input (Variable),           */
115 	0x75, 0x10,       /*      Report Size (16),           */
116 	0x95, 0x01,       /*      Report Count (1),           */
117 	0xA4,             /*      Push,                       */
118 	0x05, 0x01,       /*      Usage Page (Desktop),       */
119 	0x55, 0xFD,       /*      Unit Exponent (-3),         */
120 	0x65, 0x13,       /*      Unit (Inch),                */
121 	0x34,             /*      Physical Minimum (0),       */
122 	0x09, 0x30,       /*      Usage (X),                  */
123 	0x46, 0x40, 0x1F, /*      Physical Maximum (8000),    */
124 	0x26, 0x00, 0x50, /*      Logical Maximum (20480),    */
125 	0x81, 0x02,       /*      Input (Variable),           */
126 	0x09, 0x31,       /*      Usage (Y),                  */
127 	0x46, 0x70, 0x17, /*      Physical Maximum (6000),    */
128 	0x26, 0x00, 0x3C, /*      Logical Maximum (15360),    */
129 	0x81, 0x02,       /*      Input (Variable),           */
130 	0xB4,             /*      Pop,                        */
131 	0x09, 0x30,       /*      Usage (Tip Pressure),       */
132 	0x26, 0xFF, 0x03, /*      Logical Maximum (1023),     */
133 	0x81, 0x02,       /*      Input (Variable),           */
134 	0xC0,             /*    End Collection,               */
135 	0xC0,             /*  End Collection,                 */
136 	0x05, 0x01,       /*  Usage Page (Desktop),           */
137 	0x09, 0x02,       /*  Usage (Mouse),                  */
138 	0xA1, 0x01,       /*  Collection (Application),       */
139 	0x85, 0x11,       /*    Report ID (17),               */
140 	0x09, 0x01,       /*    Usage (Pointer),              */
141 	0xA0,             /*    Collection (Physical),        */
142 	0x14,             /*      Logical Minimum (0),        */
143 	0xA4,             /*      Push,                       */
144 	0x05, 0x09,       /*      Usage Page (Button),        */
145 	0x75, 0x01,       /*      Report Size (1),            */
146 	0x19, 0x01,       /*      Usage Minimum (01h),        */
147 	0x29, 0x03,       /*      Usage Maximum (03h),        */
148 	0x25, 0x01,       /*      Logical Maximum (1),        */
149 	0x95, 0x03,       /*      Report Count (3),           */
150 	0x81, 0x02,       /*      Input (Variable),           */
151 	0x95, 0x05,       /*      Report Count (5),           */
152 	0x81, 0x01,       /*      Input (Constant),           */
153 	0xB4,             /*      Pop,                        */
154 	0x95, 0x01,       /*      Report Count (1),           */
155 	0xA4,             /*      Push,                       */
156 	0x55, 0xFD,       /*      Unit Exponent (-3),         */
157 	0x65, 0x13,       /*      Unit (Inch),                */
158 	0x34,             /*      Physical Minimum (0),       */
159 	0x75, 0x10,       /*      Report Size (16),           */
160 	0x09, 0x30,       /*      Usage (X),                  */
161 	0x46, 0x40, 0x1F, /*      Physical Maximum (8000),    */
162 	0x26, 0x00, 0x50, /*      Logical Maximum (20480),    */
163 	0x81, 0x02,       /*      Input (Variable),           */
164 	0x09, 0x31,       /*      Usage (Y),                  */
165 	0x46, 0x70, 0x17, /*      Physical Maximum (6000),    */
166 	0x26, 0x00, 0x3C, /*      Logical Maximum (15360),    */
167 	0x81, 0x02,       /*      Input (Variable),           */
168 	0xB4,             /*      Pop,                        */
169 	0x75, 0x08,       /*      Report Size (8),            */
170 	0x09, 0x38,       /*      Usage (Wheel),              */
171 	0x15, 0xFF,       /*      Logical Minimum (-1),       */
172 	0x25, 0x01,       /*      Logical Maximum (1),        */
173 	0x81, 0x06,       /*      Input (Variable, Relative), */
174 	0x81, 0x01,       /*      Input (Constant),           */
175 	0xC0,             /*    End Collection,               */
176 	0xC0              /*  End Collection                  */
177 };
178 
179 /* Original MousePen i608X v2 report descriptor size */
180 #define MOUSEPEN_I608X_V2_RDESC_ORIG_SIZE	482
181 
182 /* Fixed MousePen i608X v2 report descriptor */
183 static __u8 mousepen_i608x_v2_rdesc_fixed[] = {
184 	0x06, 0x00, 0xFF,             /*  Usage Page (FF00h),             */
185 	0x09, 0x01,                   /*  Usage (01h),                    */
186 	0xA1, 0x01,                   /*  Collection (Application),       */
187 	0x85, 0x05,                   /*    Report ID (5),                */
188 	0x09, 0x01,                   /*    Usage (01h),                  */
189 	0x15, 0x80,                   /*    Logical Minimum (-128),       */
190 	0x25, 0x7F,                   /*    Logical Maximum (127),        */
191 	0x75, 0x08,                   /*    Report Size (8),              */
192 	0x95, 0x07,                   /*    Report Count (7),             */
193 	0xB1, 0x02,                   /*    Feature (Variable),           */
194 	0xC0,                         /*  End Collection,                 */
195 	0x05, 0x0D,                   /*  Usage Page (Digitizer),         */
196 	0x09, 0x02,                   /*  Usage (Pen),                    */
197 	0xA1, 0x01,                   /*  Collection (Application),       */
198 	0x85, 0x10,                   /*    Report ID (16),               */
199 	0x09, 0x20,                   /*    Usage (Stylus),               */
200 	0xA0,                         /*    Collection (Physical),        */
201 	0x14,                         /*      Logical Minimum (0),        */
202 	0x25, 0x01,                   /*      Logical Maximum (1),        */
203 	0x75, 0x01,                   /*      Report Size (1),            */
204 	0x09, 0x42,                   /*      Usage (Tip Switch),         */
205 	0x09, 0x44,                   /*      Usage (Barrel Switch),      */
206 	0x09, 0x46,                   /*      Usage (Tablet Pick),        */
207 	0x95, 0x03,                   /*      Report Count (3),           */
208 	0x81, 0x02,                   /*      Input (Variable),           */
209 	0x95, 0x04,                   /*      Report Count (4),           */
210 	0x81, 0x03,                   /*      Input (Constant, Variable), */
211 	0x09, 0x32,                   /*      Usage (In Range),           */
212 	0x95, 0x01,                   /*      Report Count (1),           */
213 	0x81, 0x02,                   /*      Input (Variable),           */
214 	0x75, 0x10,                   /*      Report Size (16),           */
215 	0x95, 0x01,                   /*      Report Count (1),           */
216 	0xA4,                         /*      Push,                       */
217 	0x05, 0x01,                   /*      Usage Page (Desktop),       */
218 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
219 	0x65, 0x13,                   /*      Unit (Inch),                */
220 	0x34,                         /*      Physical Minimum (0),       */
221 	0x09, 0x30,                   /*      Usage (X),                  */
222 	0x46, 0x40, 0x1F,             /*      Physical Maximum (8000),    */
223 	0x27, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */
224 	0x81, 0x02,                   /*      Input (Variable),           */
225 	0x09, 0x31,                   /*      Usage (Y),                  */
226 	0x46, 0x70, 0x17,             /*      Physical Maximum (6000),    */
227 	0x26, 0x00, 0x78,             /*      Logical Maximum (30720),    */
228 	0x81, 0x02,                   /*      Input (Variable),           */
229 	0xB4,                         /*      Pop,                        */
230 	0x09, 0x30,                   /*      Usage (Tip Pressure),       */
231 	0x26, 0xFF, 0x07,             /*      Logical Maximum (2047),     */
232 	0x81, 0x02,                   /*      Input (Variable),           */
233 	0xC0,                         /*    End Collection,               */
234 	0xC0,                         /*  End Collection,                 */
235 	0x05, 0x01,                   /*  Usage Page (Desktop),           */
236 	0x09, 0x02,                   /*  Usage (Mouse),                  */
237 	0xA1, 0x01,                   /*  Collection (Application),       */
238 	0x85, 0x11,                   /*    Report ID (17),               */
239 	0x09, 0x01,                   /*    Usage (Pointer),              */
240 	0xA0,                         /*    Collection (Physical),        */
241 	0x14,                         /*      Logical Minimum (0),        */
242 	0xA4,                         /*      Push,                       */
243 	0x05, 0x09,                   /*      Usage Page (Button),        */
244 	0x75, 0x01,                   /*      Report Size (1),            */
245 	0x19, 0x01,                   /*      Usage Minimum (01h),        */
246 	0x29, 0x03,                   /*      Usage Maximum (03h),        */
247 	0x25, 0x01,                   /*      Logical Maximum (1),        */
248 	0x95, 0x03,                   /*      Report Count (3),           */
249 	0x81, 0x02,                   /*      Input (Variable),           */
250 	0x95, 0x05,                   /*      Report Count (5),           */
251 	0x81, 0x01,                   /*      Input (Constant),           */
252 	0xB4,                         /*      Pop,                        */
253 	0x95, 0x01,                   /*      Report Count (1),           */
254 	0xA4,                         /*      Push,                       */
255 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
256 	0x65, 0x13,                   /*      Unit (Inch),                */
257 	0x34,                         /*      Physical Minimum (0),       */
258 	0x75, 0x10,                   /*      Report Size (16),           */
259 	0x09, 0x30,                   /*      Usage (X),                  */
260 	0x46, 0x40, 0x1F,             /*      Physical Maximum (8000),    */
261 	0x27, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */
262 	0x81, 0x02,                   /*      Input (Variable),           */
263 	0x09, 0x31,                   /*      Usage (Y),                  */
264 	0x46, 0x70, 0x17,             /*      Physical Maximum (6000),    */
265 	0x26, 0x00, 0x78,             /*      Logical Maximum (30720),    */
266 	0x81, 0x02,                   /*      Input (Variable),           */
267 	0xB4,                         /*      Pop,                        */
268 	0x75, 0x08,                   /*      Report Size (8),            */
269 	0x09, 0x38,                   /*      Usage (Wheel),              */
270 	0x15, 0xFF,                   /*      Logical Minimum (-1),       */
271 	0x25, 0x01,                   /*      Logical Maximum (1),        */
272 	0x81, 0x06,                   /*      Input (Variable, Relative), */
273 	0x81, 0x01,                   /*      Input (Constant),           */
274 	0xC0,                         /*    End Collection,               */
275 	0xC0                          /*  End Collection                  */
276 };
277 
278 /* Original EasyPen M610X report descriptor size */
279 #define EASYPEN_M610X_RDESC_ORIG_SIZE	476
280 
281 /* Fixed EasyPen M610X report descriptor */
282 static __u8 easypen_m610x_rdesc_fixed[] = {
283 	0x06, 0x00, 0xFF,             /*  Usage Page (FF00h),             */
284 	0x09, 0x01,                   /*  Usage (01h),                    */
285 	0xA1, 0x01,                   /*  Collection (Application),       */
286 	0x85, 0x05,                   /*    Report ID (5),                */
287 	0x09, 0x01,                   /*    Usage (01h),                  */
288 	0x15, 0x80,                   /*    Logical Minimum (-128),       */
289 	0x25, 0x7F,                   /*    Logical Maximum (127),        */
290 	0x75, 0x08,                   /*    Report Size (8),              */
291 	0x95, 0x07,                   /*    Report Count (7),             */
292 	0xB1, 0x02,                   /*    Feature (Variable),           */
293 	0xC0,                         /*  End Collection,                 */
294 	0x05, 0x0D,                   /*  Usage Page (Digitizer),         */
295 	0x09, 0x02,                   /*  Usage (Pen),                    */
296 	0xA1, 0x01,                   /*  Collection (Application),       */
297 	0x85, 0x10,                   /*    Report ID (16),               */
298 	0x09, 0x20,                   /*    Usage (Stylus),               */
299 	0xA0,                         /*    Collection (Physical),        */
300 	0x14,                         /*      Logical Minimum (0),        */
301 	0x25, 0x01,                   /*      Logical Maximum (1),        */
302 	0x75, 0x01,                   /*      Report Size (1),            */
303 	0x09, 0x42,                   /*      Usage (Tip Switch),         */
304 	0x09, 0x44,                   /*      Usage (Barrel Switch),      */
305 	0x09, 0x46,                   /*      Usage (Tablet Pick),        */
306 	0x95, 0x03,                   /*      Report Count (3),           */
307 	0x81, 0x02,                   /*      Input (Variable),           */
308 	0x95, 0x04,                   /*      Report Count (4),           */
309 	0x81, 0x03,                   /*      Input (Constant, Variable), */
310 	0x09, 0x32,                   /*      Usage (In Range),           */
311 	0x95, 0x01,                   /*      Report Count (1),           */
312 	0x81, 0x02,                   /*      Input (Variable),           */
313 	0x75, 0x10,                   /*      Report Size (16),           */
314 	0x95, 0x01,                   /*      Report Count (1),           */
315 	0xA4,                         /*      Push,                       */
316 	0x05, 0x01,                   /*      Usage Page (Desktop),       */
317 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
318 	0x65, 0x13,                   /*      Unit (Inch),                */
319 	0x34,                         /*      Physical Minimum (0),       */
320 	0x09, 0x30,                   /*      Usage (X),                  */
321 	0x46, 0x10, 0x27,             /*      Physical Maximum (10000),   */
322 	0x27, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */
323 	0x81, 0x02,                   /*      Input (Variable),           */
324 	0x09, 0x31,                   /*      Usage (Y),                  */
325 	0x46, 0x6A, 0x18,             /*      Physical Maximum (6250),    */
326 	0x26, 0x00, 0x64,             /*      Logical Maximum (25600),    */
327 	0x81, 0x02,                   /*      Input (Variable),           */
328 	0xB4,                         /*      Pop,                        */
329 	0x09, 0x30,                   /*      Usage (Tip Pressure),       */
330 	0x26, 0xFF, 0x03,             /*      Logical Maximum (1023),     */
331 	0x81, 0x02,                   /*      Input (Variable),           */
332 	0xC0,                         /*    End Collection,               */
333 	0xC0,                         /*  End Collection,                 */
334 	0x05, 0x0C,                   /*  Usage Page (Consumer),          */
335 	0x09, 0x01,                   /*  Usage (Consumer Control),       */
336 	0xA1, 0x01,                   /*  Collection (Application),       */
337 	0x85, 0x12,                   /*    Report ID (18),               */
338 	0x14,                         /*    Logical Minimum (0),          */
339 	0x25, 0x01,                   /*    Logical Maximum (1),          */
340 	0x75, 0x01,                   /*    Report Size (1),              */
341 	0x95, 0x04,                   /*    Report Count (4),             */
342 	0x0A, 0x1A, 0x02,             /*    Usage (AC Undo),              */
343 	0x0A, 0x79, 0x02,             /*    Usage (AC Redo Or Repeat),    */
344 	0x0A, 0x2D, 0x02,             /*    Usage (AC Zoom In),           */
345 	0x0A, 0x2E, 0x02,             /*    Usage (AC Zoom Out),          */
346 	0x81, 0x02,                   /*    Input (Variable),             */
347 	0x95, 0x01,                   /*    Report Count (1),             */
348 	0x75, 0x14,                   /*    Report Size (20),             */
349 	0x81, 0x03,                   /*    Input (Constant, Variable),   */
350 	0x75, 0x20,                   /*    Report Size (32),             */
351 	0x81, 0x03,                   /*    Input (Constant, Variable),   */
352 	0xC0                          /*  End Collection                  */
353 };
354 
355 
356 /* Original PenSketch M912 report descriptor size */
357 #define PENSKETCH_M912_RDESC_ORIG_SIZE	482
358 
359 /* Fixed PenSketch M912 report descriptor */
360 static __u8 pensketch_m912_rdesc_fixed[] = {
361 	0x05, 0x01,                   /*  Usage Page (Desktop),           */
362 	0x08,                         /*  Usage (00h),                    */
363 	0xA1, 0x01,                   /*  Collection (Application),       */
364 	0x85, 0x05,                   /*    Report ID (5),                */
365 	0x06, 0x00, 0xFF,             /*    Usage Page (FF00h),           */
366 	0x09, 0x01,                   /*    Usage (01h),                  */
367 	0x15, 0x81,                   /*    Logical Minimum (-127),       */
368 	0x25, 0x7F,                   /*    Logical Maximum (127),        */
369 	0x75, 0x08,                   /*    Report Size (8),              */
370 	0x95, 0x07,                   /*    Report Count (7),             */
371 	0xB1, 0x02,                   /*    Feature (Variable),           */
372 	0xC0,                         /*  End Collection,                 */
373 	0x05, 0x0D,                   /*  Usage Page (Digitizer),         */
374 	0x09, 0x02,                   /*  Usage (Pen),                    */
375 	0xA1, 0x01,                   /*  Collection (Application),       */
376 	0x85, 0x10,                   /*    Report ID (16),               */
377 	0x09, 0x20,                   /*    Usage (Stylus),               */
378 	0xA0,                         /*    Collection (Physical),        */
379 	0x09, 0x42,                   /*      Usage (Tip Switch),         */
380 	0x09, 0x44,                   /*      Usage (Barrel Switch),      */
381 	0x09, 0x46,                   /*      Usage (Tablet Pick),        */
382 	0x14,                         /*      Logical Minimum (0),        */
383 	0x25, 0x01,                   /*      Logical Maximum (1),        */
384 	0x75, 0x01,                   /*      Report Size (1),            */
385 	0x95, 0x03,                   /*      Report Count (3),           */
386 	0x81, 0x02,                   /*      Input (Variable),           */
387 	0x95, 0x04,                   /*      Report Count (4),           */
388 	0x81, 0x03,                   /*      Input (Constant, Variable), */
389 	0x09, 0x32,                   /*      Usage (In Range),           */
390 	0x95, 0x01,                   /*      Report Count (1),           */
391 	0x81, 0x02,                   /*      Input (Variable),           */
392 	0x75, 0x10,                   /*      Report Size (16),           */
393 	0x95, 0x01,                   /*      Report Count (1),           */
394 	0xA4,                         /*      Push,                       */
395 	0x05, 0x01,                   /*      Usage Page (Desktop),       */
396 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
397 	0x65, 0x13,                   /*      Unit (Inch),                */
398 	0x14,                         /*      Logical Minimum (0),        */
399 	0x34,                         /*      Physical Minimum (0),       */
400 	0x09, 0x30,                   /*      Usage (X),                  */
401 	0x27, 0x00, 0xF0, 0x00, 0x00, /*      Logical Maximum (61440),    */
402 	0x46, 0xE0, 0x2E,             /*      Physical Maximum (12000),   */
403 	0x81, 0x02,                   /*      Input (Variable),           */
404 	0x09, 0x31,                   /*      Usage (Y),                  */
405 	0x27, 0x00, 0xB4, 0x00, 0x00, /*      Logical Maximum (46080),    */
406 	0x46, 0x28, 0x23,             /*      Physical Maximum (9000),    */
407 	0x81, 0x02,                   /*      Input (Variable),           */
408 	0xB4,                         /*      Pop,                        */
409 	0x09, 0x30,                   /*      Usage (Tip Pressure),       */
410 	0x14,                         /*      Logical Minimum (0),        */
411 	0x26, 0xFF, 0x07,             /*      Logical Maximum (2047),     */
412 	0x81, 0x02,                   /*      Input (Variable),           */
413 	0xC0,                         /*    End Collection,               */
414 	0xC0,                         /*  End Collection,                 */
415 	0x05, 0x0D,                   /*  Usage Page (Digitizer),         */
416 	0x09, 0x21,                   /*  Usage (Puck),                   */
417 	0xA1, 0x01,                   /*  Collection (Application),       */
418 	0x85, 0x11,                   /*    Report ID (17),               */
419 	0x09, 0x21,                   /*    Usage (Puck),                 */
420 	0xA0,                         /*    Collection (Physical),        */
421 	0x05, 0x09,                   /*      Usage Page (Button),        */
422 	0x75, 0x01,                   /*      Report Size (1),            */
423 	0x19, 0x01,                   /*      Usage Minimum (01h),        */
424 	0x29, 0x03,                   /*      Usage Maximum (03h),        */
425 	0x14,                         /*      Logical Minimum (0),        */
426 	0x25, 0x01,                   /*      Logical Maximum (1),        */
427 	0x95, 0x03,                   /*      Report Count (3),           */
428 	0x81, 0x02,                   /*      Input (Variable),           */
429 	0x95, 0x04,                   /*      Report Count (4),           */
430 	0x81, 0x01,                   /*      Input (Constant),           */
431 	0x95, 0x01,                   /*      Report Count (1),           */
432 	0x0B, 0x32, 0x00, 0x0D, 0x00, /*      Usage (Digitizer In Range), */
433 	0x14,                         /*      Logical Minimum (0),        */
434 	0x25, 0x01,                   /*      Logical Maximum (1),        */
435 	0x81, 0x02,                   /*      Input (Variable),           */
436 	0xA4,                         /*      Push,                       */
437 	0x05, 0x01,                   /*      Usage Page (Desktop),       */
438 	0x75, 0x10,                   /*      Report Size (16),           */
439 	0x95, 0x01,                   /*      Report Count (1),           */
440 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
441 	0x65, 0x13,                   /*      Unit (Inch),                */
442 	0x14,                         /*      Logical Minimum (0),        */
443 	0x34,                         /*      Physical Minimum (0),       */
444 	0x09, 0x30,                   /*      Usage (X),                  */
445 	0x27, 0x00, 0xF0, 0x00, 0x00, /*      Logical Maximum (61440),    */
446 	0x46, 0xE0, 0x2E,             /*      Physical Maximum (12000),   */
447 	0x81, 0x02,                   /*      Input (Variable),           */
448 	0x09, 0x31,                   /*      Usage (Y),                  */
449 	0x27, 0x00, 0xB4, 0x00, 0x00, /*      Logical Maximum (46080),    */
450 	0x46, 0x28, 0x23,             /*      Physical Maximum (9000),    */
451 	0x81, 0x02,                   /*      Input (Variable),           */
452 	0x09, 0x38,                   /*      Usage (Wheel),              */
453 	0x75, 0x08,                   /*      Report Size (8),            */
454 	0x95, 0x01,                   /*      Report Count (1),           */
455 	0x15, 0xFF,                   /*      Logical Minimum (-1),       */
456 	0x25, 0x01,                   /*      Logical Maximum (1),        */
457 	0x34,                         /*      Physical Minimum (0),       */
458 	0x44,                         /*      Physical Maximum (0),       */
459 	0x81, 0x06,                   /*      Input (Variable, Relative), */
460 	0xB4,                         /*      Pop,                        */
461 	0xC0,                         /*    End Collection,               */
462 	0xC0,                         /*  End Collection,                 */
463 	0x05, 0x0C,                   /*  Usage Page (Consumer),          */
464 	0x09, 0x01,                   /*  Usage (Consumer Control),       */
465 	0xA1, 0x01,                   /*  Collection (Application),       */
466 	0x85, 0x12,                   /*    Report ID (18),               */
467 	0x14,                         /*    Logical Minimum (0),          */
468 	0x25, 0x01,                   /*    Logical Maximum (1),          */
469 	0x75, 0x01,                   /*    Report Size (1),              */
470 	0x95, 0x08,                   /*    Report Count (8),             */
471 	0x05, 0x0C,                   /*    Usage Page (Consumer),        */
472 	0x0A, 0x6A, 0x02,             /*    Usage (AC Delete),            */
473 	0x0A, 0x1A, 0x02,             /*    Usage (AC Undo),              */
474 	0x0A, 0x01, 0x02,             /*    Usage (AC New),               */
475 	0x0A, 0x2F, 0x02,             /*    Usage (AC Zoom),              */
476 	0x0A, 0x25, 0x02,             /*    Usage (AC Forward),           */
477 	0x0A, 0x24, 0x02,             /*    Usage (AC Back),              */
478 	0x0A, 0x2D, 0x02,             /*    Usage (AC Zoom In),           */
479 	0x0A, 0x2E, 0x02,             /*    Usage (AC Zoom Out),          */
480 	0x81, 0x02,                   /*    Input (Variable),             */
481 	0x95, 0x30,                   /*    Report Count (48),            */
482 	0x81, 0x03,                   /*    Input (Constant, Variable),   */
483 	0xC0                          /*  End Collection                  */
484 };
485 
486 /* Original EasyPen M406XE report descriptor size */
487 #define EASYPEN_M406XE_RDESC_ORIG_SIZE	476
488 
489 /* Fixed EasyPen M406XE  report descriptor */
490 static __u8 easypen_m406xe_rdesc_fixed[] = {
491 	0x05, 0x01,         /*  Usage Page (Desktop),               */
492 	0x09, 0x01,         /*  Usage (01h),                        */
493 	0xA1, 0x01,         /*  Collection (Application),           */
494 	0x85, 0x05,         /*      Report ID (5),                  */
495 	0x09, 0x01,         /*      Usage (01h),                    */
496 	0x15, 0x80,         /*      Logical Minimum (-128),         */
497 	0x25, 0x7F,         /*      Logical Maximum (127),          */
498 	0x75, 0x08,         /*      Report Size (8),                */
499 	0x95, 0x07,         /*      Report Count (7),               */
500 	0xB1, 0x02,         /*      Feature (Variable),             */
501 	0xC0,               /*  End Collection,                     */
502 	0x05, 0x0D,         /*  Usage Page (Digitizer),             */
503 	0x09, 0x02,         /*  Usage (Pen),                        */
504 	0xA1, 0x01,         /*  Collection (Application),           */
505 	0x85, 0x10,         /*      Report ID (16),                 */
506 	0x09, 0x20,         /*      Usage (Stylus),                 */
507 	0xA0,               /*      Collection (Physical),          */
508 	0x14,               /*          Logical Minimum (0),        */
509 	0x25, 0x01,         /*          Logical Maximum (1),        */
510 	0x75, 0x01,         /*          Report Size (1),            */
511 	0x09, 0x42,         /*          Usage (Tip Switch),         */
512 	0x09, 0x44,         /*          Usage (Barrel Switch),      */
513 	0x09, 0x46,         /*          Usage (Tablet Pick),        */
514 	0x95, 0x03,         /*          Report Count (3),           */
515 	0x81, 0x02,         /*          Input (Variable),           */
516 	0x95, 0x04,         /*          Report Count (4),           */
517 	0x81, 0x03,         /*          Input (Constant, Variable), */
518 	0x09, 0x32,         /*          Usage (In Range),           */
519 	0x95, 0x01,         /*          Report Count (1),           */
520 	0x81, 0x02,         /*          Input (Variable),           */
521 	0x75, 0x10,         /*          Report Size (16),           */
522 	0x95, 0x01,         /*          Report Count (1),           */
523 	0xA4,               /*          Push,                       */
524 	0x05, 0x01,         /*          Usage Page (Desktop),       */
525 	0x55, 0xFD,         /*          Unit Exponent (-3),         */
526 	0x65, 0x13,         /*          Unit (Inch),                */
527 	0x34,               /*          Physical Minimum (0),       */
528 	0x09, 0x30,         /*          Usage (X),                  */
529 	0x46, 0x70, 0x17,   /*          Physical Maximum (6000),    */
530 	0x26, 0x00, 0x3C,   /*          Logical Maximum (15360),    */
531 	0x81, 0x02,         /*          Input (Variable),           */
532 	0x09, 0x31,         /*          Usage (Y),                  */
533 	0x46, 0xA0, 0x0F,   /*          Physical Maximum (4000),    */
534 	0x26, 0x00, 0x28,   /*          Logical Maximum (10240),    */
535 	0x81, 0x02,         /*          Input (Variable),           */
536 	0xB4,               /*          Pop,                        */
537 	0x09, 0x30,         /*          Usage (Tip Pressure),       */
538 	0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
539 	0x81, 0x02,         /*          Input (Variable),           */
540 	0xC0,               /*      End Collection,                 */
541 	0xC0,               /*  End Collection                      */
542 	0x05, 0x0C,         /*  Usage Page (Consumer),              */
543 	0x09, 0x01,         /*  Usage (Consumer Control),           */
544 	0xA1, 0x01,         /*  Collection (Application),           */
545 	0x85, 0x12,         /*      Report ID (18),                 */
546 	0x14,               /*      Logical Minimum (0),            */
547 	0x25, 0x01,         /*      Logical Maximum (1),            */
548 	0x75, 0x01,         /*      Report Size (1),                */
549 	0x95, 0x04,         /*      Report Count (4),               */
550 	0x0A, 0x79, 0x02,   /*      Usage (AC Redo Or Repeat),      */
551 	0x0A, 0x1A, 0x02,   /*      Usage (AC Undo),                */
552 	0x0A, 0x2D, 0x02,   /*      Usage (AC Zoom In),             */
553 	0x0A, 0x2E, 0x02,   /*      Usage (AC Zoom Out),            */
554 	0x81, 0x02,         /*      Input (Variable),               */
555 	0x95, 0x34,         /*      Report Count (52),              */
556 	0x81, 0x03,         /*      Input (Constant, Variable),     */
557 	0xC0                /*  End Collection                      */
558 };
559 
560 static __u8 *kye_consumer_control_fixup(struct hid_device *hdev, __u8 *rdesc,
561 		unsigned int *rsize, int offset, const char *device_name) {
562 	/*
563 	 * the fixup that need to be done:
564 	 *   - change Usage Maximum in the Consumer Control
565 	 *     (report ID 3) to a reasonable value
566 	 */
567 	if (*rsize >= offset + 31 &&
568 	    /* Usage Page (Consumer Devices) */
569 	    rdesc[offset] == 0x05 && rdesc[offset + 1] == 0x0c &&
570 	    /* Usage (Consumer Control) */
571 	    rdesc[offset + 2] == 0x09 && rdesc[offset + 3] == 0x01 &&
572 	    /*   Usage Maximum > 12287 */
573 	    rdesc[offset + 10] == 0x2a && rdesc[offset + 12] > 0x2f) {
574 		hid_info(hdev, "fixing up %s report descriptor\n", device_name);
575 		rdesc[offset + 12] = 0x2f;
576 	}
577 	return rdesc;
578 }
579 
580 static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc,
581 		unsigned int *rsize)
582 {
583 	switch (hdev->product) {
584 	case USB_DEVICE_ID_KYE_ERGO_525V:
585 		/* the fixups that need to be done:
586 		 *   - change led usage page to button for extra buttons
587 		 *   - report size 8 count 1 must be size 1 count 8 for button
588 		 *     bitfield
589 		 *   - change the button usage range to 4-7 for the extra
590 		 *     buttons
591 		 */
592 		if (*rsize >= 75 &&
593 			rdesc[61] == 0x05 && rdesc[62] == 0x08 &&
594 			rdesc[63] == 0x19 && rdesc[64] == 0x08 &&
595 			rdesc[65] == 0x29 && rdesc[66] == 0x0f &&
596 			rdesc[71] == 0x75 && rdesc[72] == 0x08 &&
597 			rdesc[73] == 0x95 && rdesc[74] == 0x01) {
598 			hid_info(hdev,
599 				 "fixing up Kye/Genius Ergo Mouse "
600 				 "report descriptor\n");
601 			rdesc[62] = 0x09;
602 			rdesc[64] = 0x04;
603 			rdesc[66] = 0x07;
604 			rdesc[72] = 0x01;
605 			rdesc[74] = 0x08;
606 		}
607 		break;
608 	case USB_DEVICE_ID_KYE_EASYPEN_I405X:
609 		if (*rsize == EASYPEN_I405X_RDESC_ORIG_SIZE) {
610 			rdesc = easypen_i405x_rdesc_fixed;
611 			*rsize = sizeof(easypen_i405x_rdesc_fixed);
612 		}
613 		break;
614 	case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
615 		if (*rsize == MOUSEPEN_I608X_RDESC_ORIG_SIZE) {
616 			rdesc = mousepen_i608x_rdesc_fixed;
617 			*rsize = sizeof(mousepen_i608x_rdesc_fixed);
618 		}
619 		break;
620 	case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2:
621 		if (*rsize == MOUSEPEN_I608X_V2_RDESC_ORIG_SIZE) {
622 			rdesc = mousepen_i608x_v2_rdesc_fixed;
623 			*rsize = sizeof(mousepen_i608x_v2_rdesc_fixed);
624 		}
625 		break;
626 	case USB_DEVICE_ID_KYE_EASYPEN_M610X:
627 		if (*rsize == EASYPEN_M610X_RDESC_ORIG_SIZE) {
628 			rdesc = easypen_m610x_rdesc_fixed;
629 			*rsize = sizeof(easypen_m610x_rdesc_fixed);
630 		}
631 		break;
632 	case USB_DEVICE_ID_KYE_EASYPEN_M406XE:
633 		if (*rsize == EASYPEN_M406XE_RDESC_ORIG_SIZE) {
634 			rdesc = easypen_m406xe_rdesc_fixed;
635 			*rsize = sizeof(easypen_m406xe_rdesc_fixed);
636 		}
637 		break;
638 	case USB_DEVICE_ID_KYE_PENSKETCH_M912:
639 		if (*rsize == PENSKETCH_M912_RDESC_ORIG_SIZE) {
640 			rdesc = pensketch_m912_rdesc_fixed;
641 			*rsize = sizeof(pensketch_m912_rdesc_fixed);
642 		}
643 		break;
644 	case USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE:
645 		rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104,
646 					"Genius Gila Gaming Mouse");
647 		break;
648 	case USB_DEVICE_ID_GENIUS_GX_IMPERATOR:
649 		rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 83,
650 					"Genius Gx Imperator Keyboard");
651 		break;
652 	case USB_DEVICE_ID_GENIUS_MANTICORE:
653 		rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104,
654 					"Genius Manticore Keyboard");
655 		break;
656 	}
657 	return rdesc;
658 }
659 
660 /**
661  * Enable fully-functional tablet mode by setting a special feature report.
662  *
663  * @hdev:	HID device
664  *
665  * The specific report ID and data were discovered by sniffing the
666  * Windows driver traffic.
667  */
668 static int kye_tablet_enable(struct hid_device *hdev)
669 {
670 	struct list_head *list;
671 	struct list_head *head;
672 	struct hid_report *report;
673 	__s32 *value;
674 
675 	list = &hdev->report_enum[HID_FEATURE_REPORT].report_list;
676 	list_for_each(head, list) {
677 		report = list_entry(head, struct hid_report, list);
678 		if (report->id == 5)
679 			break;
680 	}
681 
682 	if (head == list) {
683 		hid_err(hdev, "tablet-enabling feature report not found\n");
684 		return -ENODEV;
685 	}
686 
687 	if (report->maxfield < 1 || report->field[0]->report_count < 7) {
688 		hid_err(hdev, "invalid tablet-enabling feature report\n");
689 		return -ENODEV;
690 	}
691 
692 	value = report->field[0]->value;
693 
694 	value[0] = 0x12;
695 	value[1] = 0x10;
696 	value[2] = 0x11;
697 	value[3] = 0x12;
698 	value[4] = 0x00;
699 	value[5] = 0x00;
700 	value[6] = 0x00;
701 	hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
702 
703 	return 0;
704 }
705 
706 static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id)
707 {
708 	int ret;
709 
710 	ret = hid_parse(hdev);
711 	if (ret) {
712 		hid_err(hdev, "parse failed\n");
713 		goto err;
714 	}
715 
716 	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
717 	if (ret) {
718 		hid_err(hdev, "hw start failed\n");
719 		goto err;
720 	}
721 
722 	switch (id->product) {
723 	case USB_DEVICE_ID_KYE_EASYPEN_I405X:
724 	case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
725 	case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2:
726 	case USB_DEVICE_ID_KYE_EASYPEN_M610X:
727 	case USB_DEVICE_ID_KYE_EASYPEN_M406XE:
728 	case USB_DEVICE_ID_KYE_PENSKETCH_M912:
729 		ret = kye_tablet_enable(hdev);
730 		if (ret) {
731 			hid_err(hdev, "tablet enabling failed\n");
732 			goto enabling_err;
733 		}
734 		break;
735 	case USB_DEVICE_ID_GENIUS_MANTICORE:
736 		/*
737 		 * The manticore keyboard needs to have all the interfaces
738 		 * opened at least once to be fully functional.
739 		 */
740 		if (hid_hw_open(hdev))
741 			hid_hw_close(hdev);
742 		break;
743 	}
744 
745 	return 0;
746 enabling_err:
747 	hid_hw_stop(hdev);
748 err:
749 	return ret;
750 }
751 
752 static const struct hid_device_id kye_devices[] = {
753 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
754 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
755 				USB_DEVICE_ID_KYE_EASYPEN_I405X) },
756 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
757 				USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
758 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
759 				USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
760 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
761 				USB_DEVICE_ID_KYE_EASYPEN_M610X) },
762 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
763 				USB_DEVICE_ID_KYE_EASYPEN_M406XE) },
764 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
765 				USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
766 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
767 				USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
768 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
769 				USB_DEVICE_ID_GENIUS_MANTICORE) },
770 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
771 				USB_DEVICE_ID_KYE_PENSKETCH_M912) },
772 	{ }
773 };
774 MODULE_DEVICE_TABLE(hid, kye_devices);
775 
776 static struct hid_driver kye_driver = {
777 	.name = "kye",
778 	.id_table = kye_devices,
779 	.probe = kye_probe,
780 	.report_fixup = kye_report_fixup,
781 };
782 module_hid_driver(kye_driver);
783 
784 MODULE_LICENSE("GPL");
785