xref: /openbmc/linux/drivers/hid/hid-kye.c (revision 9a29f5fc)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  HID driver for Kye/Genius devices not fully compliant with HID standard
4  *
5  *  Copyright (c) 2009 Jiri Kosina
6  *  Copyright (c) 2009 Tomas Hanak
7  *  Copyright (c) 2012 Nikolai Kondrashov
8  */
9 
10 /*
11  */
12 
13 #include <linux/device.h>
14 #include <linux/hid.h>
15 #include <linux/module.h>
16 
17 #include "hid-ids.h"
18 
19 /* Original EasyPen i405X report descriptor size */
20 #define EASYPEN_I405X_RDESC_ORIG_SIZE	476
21 
22 /* Fixed EasyPen i405X report descriptor */
23 static __u8 easypen_i405x_rdesc_fixed[] = {
24 	0x06, 0x00, 0xFF, /*  Usage Page (FF00h),             */
25 	0x09, 0x01,       /*  Usage (01h),                    */
26 	0xA1, 0x01,       /*  Collection (Application),       */
27 	0x85, 0x05,       /*    Report ID (5),                */
28 	0x09, 0x01,       /*    Usage (01h),                  */
29 	0x15, 0x80,       /*    Logical Minimum (-128),       */
30 	0x25, 0x7F,       /*    Logical Maximum (127),        */
31 	0x75, 0x08,       /*    Report Size (8),              */
32 	0x95, 0x07,       /*    Report Count (7),             */
33 	0xB1, 0x02,       /*    Feature (Variable),           */
34 	0xC0,             /*  End Collection,                 */
35 	0x05, 0x0D,       /*  Usage Page (Digitizer),         */
36 	0x09, 0x01,       /*  Usage (Digitizer),              */
37 	0xA1, 0x01,       /*  Collection (Application),       */
38 	0x85, 0x10,       /*    Report ID (16),               */
39 	0x09, 0x20,       /*    Usage (Stylus),               */
40 	0xA0,             /*    Collection (Physical),        */
41 	0x14,             /*      Logical Minimum (0),        */
42 	0x25, 0x01,       /*      Logical Maximum (1),        */
43 	0x75, 0x01,       /*      Report Size (1),            */
44 	0x09, 0x42,       /*      Usage (Tip Switch),         */
45 	0x09, 0x44,       /*      Usage (Barrel Switch),      */
46 	0x09, 0x46,       /*      Usage (Tablet Pick),        */
47 	0x95, 0x03,       /*      Report Count (3),           */
48 	0x81, 0x02,       /*      Input (Variable),           */
49 	0x95, 0x04,       /*      Report Count (4),           */
50 	0x81, 0x03,       /*      Input (Constant, Variable), */
51 	0x09, 0x32,       /*      Usage (In Range),           */
52 	0x95, 0x01,       /*      Report Count (1),           */
53 	0x81, 0x02,       /*      Input (Variable),           */
54 	0x75, 0x10,       /*      Report Size (16),           */
55 	0x95, 0x01,       /*      Report Count (1),           */
56 	0xA4,             /*      Push,                       */
57 	0x05, 0x01,       /*      Usage Page (Desktop),       */
58 	0x55, 0xFD,       /*      Unit Exponent (-3),         */
59 	0x65, 0x13,       /*      Unit (Inch),                */
60 	0x34,             /*      Physical Minimum (0),       */
61 	0x09, 0x30,       /*      Usage (X),                  */
62 	0x46, 0x7C, 0x15, /*      Physical Maximum (5500),    */
63 	0x26, 0x00, 0x37, /*      Logical Maximum (14080),    */
64 	0x81, 0x02,       /*      Input (Variable),           */
65 	0x09, 0x31,       /*      Usage (Y),                  */
66 	0x46, 0xA0, 0x0F, /*      Physical Maximum (4000),    */
67 	0x26, 0x00, 0x28, /*      Logical Maximum (10240),    */
68 	0x81, 0x02,       /*      Input (Variable),           */
69 	0xB4,             /*      Pop,                        */
70 	0x09, 0x30,       /*      Usage (Tip Pressure),       */
71 	0x26, 0xFF, 0x03, /*      Logical Maximum (1023),     */
72 	0x81, 0x02,       /*      Input (Variable),           */
73 	0xC0,             /*    End Collection,               */
74 	0xC0              /*  End Collection                  */
75 };
76 
77 /* Original MousePen i608X report descriptor size */
78 #define MOUSEPEN_I608X_RDESC_ORIG_SIZE	476
79 
80 /* Fixed MousePen i608X report descriptor */
81 static __u8 mousepen_i608x_rdesc_fixed[] = {
82 	0x06, 0x00, 0xFF, /*  Usage Page (FF00h),             */
83 	0x09, 0x01,       /*  Usage (01h),                    */
84 	0xA1, 0x01,       /*  Collection (Application),       */
85 	0x85, 0x05,       /*    Report ID (5),                */
86 	0x09, 0x01,       /*    Usage (01h),                  */
87 	0x15, 0x80,       /*    Logical Minimum (-128),       */
88 	0x25, 0x7F,       /*    Logical Maximum (127),        */
89 	0x75, 0x08,       /*    Report Size (8),              */
90 	0x95, 0x07,       /*    Report Count (7),             */
91 	0xB1, 0x02,       /*    Feature (Variable),           */
92 	0xC0,             /*  End Collection,                 */
93 	0x05, 0x0D,       /*  Usage Page (Digitizer),         */
94 	0x09, 0x01,       /*  Usage (Digitizer),              */
95 	0xA1, 0x01,       /*  Collection (Application),       */
96 	0x85, 0x10,       /*    Report ID (16),               */
97 	0x09, 0x20,       /*    Usage (Stylus),               */
98 	0xA0,             /*    Collection (Physical),        */
99 	0x14,             /*      Logical Minimum (0),        */
100 	0x25, 0x01,       /*      Logical Maximum (1),        */
101 	0x75, 0x01,       /*      Report Size (1),            */
102 	0x09, 0x42,       /*      Usage (Tip Switch),         */
103 	0x09, 0x44,       /*      Usage (Barrel Switch),      */
104 	0x09, 0x46,       /*      Usage (Tablet Pick),        */
105 	0x95, 0x03,       /*      Report Count (3),           */
106 	0x81, 0x02,       /*      Input (Variable),           */
107 	0x95, 0x04,       /*      Report Count (4),           */
108 	0x81, 0x03,       /*      Input (Constant, Variable), */
109 	0x09, 0x32,       /*      Usage (In Range),           */
110 	0x95, 0x01,       /*      Report Count (1),           */
111 	0x81, 0x02,       /*      Input (Variable),           */
112 	0x75, 0x10,       /*      Report Size (16),           */
113 	0x95, 0x01,       /*      Report Count (1),           */
114 	0xA4,             /*      Push,                       */
115 	0x05, 0x01,       /*      Usage Page (Desktop),       */
116 	0x55, 0xFD,       /*      Unit Exponent (-3),         */
117 	0x65, 0x13,       /*      Unit (Inch),                */
118 	0x34,             /*      Physical Minimum (0),       */
119 	0x09, 0x30,       /*      Usage (X),                  */
120 	0x46, 0x40, 0x1F, /*      Physical Maximum (8000),    */
121 	0x26, 0x00, 0x50, /*      Logical Maximum (20480),    */
122 	0x81, 0x02,       /*      Input (Variable),           */
123 	0x09, 0x31,       /*      Usage (Y),                  */
124 	0x46, 0x70, 0x17, /*      Physical Maximum (6000),    */
125 	0x26, 0x00, 0x3C, /*      Logical Maximum (15360),    */
126 	0x81, 0x02,       /*      Input (Variable),           */
127 	0xB4,             /*      Pop,                        */
128 	0x09, 0x30,       /*      Usage (Tip Pressure),       */
129 	0x26, 0xFF, 0x03, /*      Logical Maximum (1023),     */
130 	0x81, 0x02,       /*      Input (Variable),           */
131 	0xC0,             /*    End Collection,               */
132 	0xC0,             /*  End Collection,                 */
133 	0x05, 0x01,       /*  Usage Page (Desktop),           */
134 	0x09, 0x02,       /*  Usage (Mouse),                  */
135 	0xA1, 0x01,       /*  Collection (Application),       */
136 	0x85, 0x11,       /*    Report ID (17),               */
137 	0x09, 0x01,       /*    Usage (Pointer),              */
138 	0xA0,             /*    Collection (Physical),        */
139 	0x14,             /*      Logical Minimum (0),        */
140 	0xA4,             /*      Push,                       */
141 	0x05, 0x09,       /*      Usage Page (Button),        */
142 	0x75, 0x01,       /*      Report Size (1),            */
143 	0x19, 0x01,       /*      Usage Minimum (01h),        */
144 	0x29, 0x03,       /*      Usage Maximum (03h),        */
145 	0x25, 0x01,       /*      Logical Maximum (1),        */
146 	0x95, 0x03,       /*      Report Count (3),           */
147 	0x81, 0x02,       /*      Input (Variable),           */
148 	0x95, 0x05,       /*      Report Count (5),           */
149 	0x81, 0x01,       /*      Input (Constant),           */
150 	0xB4,             /*      Pop,                        */
151 	0x95, 0x01,       /*      Report Count (1),           */
152 	0xA4,             /*      Push,                       */
153 	0x55, 0xFD,       /*      Unit Exponent (-3),         */
154 	0x65, 0x13,       /*      Unit (Inch),                */
155 	0x34,             /*      Physical Minimum (0),       */
156 	0x75, 0x10,       /*      Report Size (16),           */
157 	0x09, 0x30,       /*      Usage (X),                  */
158 	0x46, 0x40, 0x1F, /*      Physical Maximum (8000),    */
159 	0x26, 0x00, 0x50, /*      Logical Maximum (20480),    */
160 	0x81, 0x02,       /*      Input (Variable),           */
161 	0x09, 0x31,       /*      Usage (Y),                  */
162 	0x46, 0x70, 0x17, /*      Physical Maximum (6000),    */
163 	0x26, 0x00, 0x3C, /*      Logical Maximum (15360),    */
164 	0x81, 0x02,       /*      Input (Variable),           */
165 	0xB4,             /*      Pop,                        */
166 	0x75, 0x08,       /*      Report Size (8),            */
167 	0x09, 0x38,       /*      Usage (Wheel),              */
168 	0x15, 0xFF,       /*      Logical Minimum (-1),       */
169 	0x25, 0x01,       /*      Logical Maximum (1),        */
170 	0x81, 0x06,       /*      Input (Variable, Relative), */
171 	0x81, 0x01,       /*      Input (Constant),           */
172 	0xC0,             /*    End Collection,               */
173 	0xC0              /*  End Collection                  */
174 };
175 
176 /* Original MousePen i608X v2 report descriptor size */
177 #define MOUSEPEN_I608X_V2_RDESC_ORIG_SIZE	482
178 
179 /* Fixed MousePen i608X v2 report descriptor */
180 static __u8 mousepen_i608x_v2_rdesc_fixed[] = {
181 	0x06, 0x00, 0xFF,             /*  Usage Page (FF00h),             */
182 	0x09, 0x01,                   /*  Usage (01h),                    */
183 	0xA1, 0x01,                   /*  Collection (Application),       */
184 	0x85, 0x05,                   /*    Report ID (5),                */
185 	0x09, 0x01,                   /*    Usage (01h),                  */
186 	0x15, 0x80,                   /*    Logical Minimum (-128),       */
187 	0x25, 0x7F,                   /*    Logical Maximum (127),        */
188 	0x75, 0x08,                   /*    Report Size (8),              */
189 	0x95, 0x07,                   /*    Report Count (7),             */
190 	0xB1, 0x02,                   /*    Feature (Variable),           */
191 	0xC0,                         /*  End Collection,                 */
192 	0x05, 0x0D,                   /*  Usage Page (Digitizer),         */
193 	0x09, 0x01,                   /*  Usage (Digitizer),              */
194 	0xA1, 0x01,                   /*  Collection (Application),       */
195 	0x85, 0x10,                   /*    Report ID (16),               */
196 	0x09, 0x20,                   /*    Usage (Stylus),               */
197 	0xA0,                         /*    Collection (Physical),        */
198 	0x14,                         /*      Logical Minimum (0),        */
199 	0x25, 0x01,                   /*      Logical Maximum (1),        */
200 	0x75, 0x01,                   /*      Report Size (1),            */
201 	0x09, 0x42,                   /*      Usage (Tip Switch),         */
202 	0x09, 0x44,                   /*      Usage (Barrel Switch),      */
203 	0x09, 0x46,                   /*      Usage (Tablet Pick),        */
204 	0x95, 0x03,                   /*      Report Count (3),           */
205 	0x81, 0x02,                   /*      Input (Variable),           */
206 	0x95, 0x04,                   /*      Report Count (4),           */
207 	0x81, 0x03,                   /*      Input (Constant, Variable), */
208 	0x09, 0x32,                   /*      Usage (In Range),           */
209 	0x95, 0x01,                   /*      Report Count (1),           */
210 	0x81, 0x02,                   /*      Input (Variable),           */
211 	0x75, 0x10,                   /*      Report Size (16),           */
212 	0x95, 0x01,                   /*      Report Count (1),           */
213 	0xA4,                         /*      Push,                       */
214 	0x05, 0x01,                   /*      Usage Page (Desktop),       */
215 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
216 	0x65, 0x13,                   /*      Unit (Inch),                */
217 	0x34,                         /*      Physical Minimum (0),       */
218 	0x09, 0x30,                   /*      Usage (X),                  */
219 	0x46, 0x40, 0x1F,             /*      Physical Maximum (8000),    */
220 	0x27, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */
221 	0x81, 0x02,                   /*      Input (Variable),           */
222 	0x09, 0x31,                   /*      Usage (Y),                  */
223 	0x46, 0x70, 0x17,             /*      Physical Maximum (6000),    */
224 	0x26, 0x00, 0x78,             /*      Logical Maximum (30720),    */
225 	0x81, 0x02,                   /*      Input (Variable),           */
226 	0xB4,                         /*      Pop,                        */
227 	0x09, 0x30,                   /*      Usage (Tip Pressure),       */
228 	0x26, 0xFF, 0x07,             /*      Logical Maximum (2047),     */
229 	0x81, 0x02,                   /*      Input (Variable),           */
230 	0xC0,                         /*    End Collection,               */
231 	0xC0,                         /*  End Collection,                 */
232 	0x05, 0x01,                   /*  Usage Page (Desktop),           */
233 	0x09, 0x02,                   /*  Usage (Mouse),                  */
234 	0xA1, 0x01,                   /*  Collection (Application),       */
235 	0x85, 0x11,                   /*    Report ID (17),               */
236 	0x09, 0x01,                   /*    Usage (Pointer),              */
237 	0xA0,                         /*    Collection (Physical),        */
238 	0x14,                         /*      Logical Minimum (0),        */
239 	0xA4,                         /*      Push,                       */
240 	0x05, 0x09,                   /*      Usage Page (Button),        */
241 	0x75, 0x01,                   /*      Report Size (1),            */
242 	0x19, 0x01,                   /*      Usage Minimum (01h),        */
243 	0x29, 0x03,                   /*      Usage Maximum (03h),        */
244 	0x25, 0x01,                   /*      Logical Maximum (1),        */
245 	0x95, 0x03,                   /*      Report Count (3),           */
246 	0x81, 0x02,                   /*      Input (Variable),           */
247 	0x95, 0x05,                   /*      Report Count (5),           */
248 	0x81, 0x01,                   /*      Input (Constant),           */
249 	0xB4,                         /*      Pop,                        */
250 	0x95, 0x01,                   /*      Report Count (1),           */
251 	0xA4,                         /*      Push,                       */
252 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
253 	0x65, 0x13,                   /*      Unit (Inch),                */
254 	0x34,                         /*      Physical Minimum (0),       */
255 	0x75, 0x10,                   /*      Report Size (16),           */
256 	0x09, 0x30,                   /*      Usage (X),                  */
257 	0x46, 0x40, 0x1F,             /*      Physical Maximum (8000),    */
258 	0x27, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */
259 	0x81, 0x02,                   /*      Input (Variable),           */
260 	0x09, 0x31,                   /*      Usage (Y),                  */
261 	0x46, 0x70, 0x17,             /*      Physical Maximum (6000),    */
262 	0x26, 0x00, 0x78,             /*      Logical Maximum (30720),    */
263 	0x81, 0x02,                   /*      Input (Variable),           */
264 	0xB4,                         /*      Pop,                        */
265 	0x75, 0x08,                   /*      Report Size (8),            */
266 	0x09, 0x38,                   /*      Usage (Wheel),              */
267 	0x15, 0xFF,                   /*      Logical Minimum (-1),       */
268 	0x25, 0x01,                   /*      Logical Maximum (1),        */
269 	0x81, 0x06,                   /*      Input (Variable, Relative), */
270 	0x81, 0x01,                   /*      Input (Constant),           */
271 	0xC0,                         /*    End Collection,               */
272 	0xC0                          /*  End Collection                  */
273 };
274 
275 /* Original EasyPen M610X report descriptor size */
276 #define EASYPEN_M610X_RDESC_ORIG_SIZE	476
277 
278 /* Fixed EasyPen M610X report descriptor */
279 static __u8 easypen_m610x_rdesc_fixed[] = {
280 	0x06, 0x00, 0xFF,             /*  Usage Page (FF00h),             */
281 	0x09, 0x01,                   /*  Usage (01h),                    */
282 	0xA1, 0x01,                   /*  Collection (Application),       */
283 	0x85, 0x05,                   /*    Report ID (5),                */
284 	0x09, 0x01,                   /*    Usage (01h),                  */
285 	0x15, 0x80,                   /*    Logical Minimum (-128),       */
286 	0x25, 0x7F,                   /*    Logical Maximum (127),        */
287 	0x75, 0x08,                   /*    Report Size (8),              */
288 	0x95, 0x07,                   /*    Report Count (7),             */
289 	0xB1, 0x02,                   /*    Feature (Variable),           */
290 	0xC0,                         /*  End Collection,                 */
291 	0x05, 0x0D,                   /*  Usage Page (Digitizer),         */
292 	0x09, 0x01,                   /*  Usage (Digitizer),              */
293 	0xA1, 0x01,                   /*  Collection (Application),       */
294 	0x85, 0x10,                   /*    Report ID (16),               */
295 	0x09, 0x20,                   /*    Usage (Stylus),               */
296 	0xA0,                         /*    Collection (Physical),        */
297 	0x14,                         /*      Logical Minimum (0),        */
298 	0x25, 0x01,                   /*      Logical Maximum (1),        */
299 	0x75, 0x01,                   /*      Report Size (1),            */
300 	0x09, 0x42,                   /*      Usage (Tip Switch),         */
301 	0x09, 0x44,                   /*      Usage (Barrel Switch),      */
302 	0x09, 0x46,                   /*      Usage (Tablet Pick),        */
303 	0x95, 0x03,                   /*      Report Count (3),           */
304 	0x81, 0x02,                   /*      Input (Variable),           */
305 	0x95, 0x04,                   /*      Report Count (4),           */
306 	0x81, 0x03,                   /*      Input (Constant, Variable), */
307 	0x09, 0x32,                   /*      Usage (In Range),           */
308 	0x95, 0x01,                   /*      Report Count (1),           */
309 	0x81, 0x02,                   /*      Input (Variable),           */
310 	0x75, 0x10,                   /*      Report Size (16),           */
311 	0x95, 0x01,                   /*      Report Count (1),           */
312 	0xA4,                         /*      Push,                       */
313 	0x05, 0x01,                   /*      Usage Page (Desktop),       */
314 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
315 	0x65, 0x13,                   /*      Unit (Inch),                */
316 	0x34,                         /*      Physical Minimum (0),       */
317 	0x09, 0x30,                   /*      Usage (X),                  */
318 	0x46, 0x10, 0x27,             /*      Physical Maximum (10000),   */
319 	0x27, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */
320 	0x81, 0x02,                   /*      Input (Variable),           */
321 	0x09, 0x31,                   /*      Usage (Y),                  */
322 	0x46, 0x6A, 0x18,             /*      Physical Maximum (6250),    */
323 	0x26, 0x00, 0x64,             /*      Logical Maximum (25600),    */
324 	0x81, 0x02,                   /*      Input (Variable),           */
325 	0xB4,                         /*      Pop,                        */
326 	0x09, 0x30,                   /*      Usage (Tip Pressure),       */
327 	0x26, 0xFF, 0x03,             /*      Logical Maximum (1023),     */
328 	0x81, 0x02,                   /*      Input (Variable),           */
329 	0xC0,                         /*    End Collection,               */
330 	0xC0,                         /*  End Collection,                 */
331 	0x05, 0x0C,                   /*  Usage Page (Consumer),          */
332 	0x09, 0x01,                   /*  Usage (Consumer Control),       */
333 	0xA1, 0x01,                   /*  Collection (Application),       */
334 	0x85, 0x12,                   /*    Report ID (18),               */
335 	0x14,                         /*    Logical Minimum (0),          */
336 	0x25, 0x01,                   /*    Logical Maximum (1),          */
337 	0x75, 0x01,                   /*    Report Size (1),              */
338 	0x95, 0x04,                   /*    Report Count (4),             */
339 	0x0A, 0x1A, 0x02,             /*    Usage (AC Undo),              */
340 	0x0A, 0x79, 0x02,             /*    Usage (AC Redo Or Repeat),    */
341 	0x0A, 0x2D, 0x02,             /*    Usage (AC Zoom In),           */
342 	0x0A, 0x2E, 0x02,             /*    Usage (AC Zoom Out),          */
343 	0x81, 0x02,                   /*    Input (Variable),             */
344 	0x95, 0x01,                   /*    Report Count (1),             */
345 	0x75, 0x14,                   /*    Report Size (20),             */
346 	0x81, 0x03,                   /*    Input (Constant, Variable),   */
347 	0x75, 0x20,                   /*    Report Size (32),             */
348 	0x81, 0x03,                   /*    Input (Constant, Variable),   */
349 	0xC0                          /*  End Collection                  */
350 };
351 
352 
353 /* Original PenSketch M912 report descriptor size */
354 #define PENSKETCH_M912_RDESC_ORIG_SIZE	482
355 
356 /* Fixed PenSketch M912 report descriptor */
357 static __u8 pensketch_m912_rdesc_fixed[] = {
358 	0x05, 0x01,                   /*  Usage Page (Desktop),           */
359 	0x08,                         /*  Usage (00h),                    */
360 	0xA1, 0x01,                   /*  Collection (Application),       */
361 	0x85, 0x05,                   /*    Report ID (5),                */
362 	0x06, 0x00, 0xFF,             /*    Usage Page (FF00h),           */
363 	0x09, 0x01,                   /*    Usage (01h),                  */
364 	0x15, 0x81,                   /*    Logical Minimum (-127),       */
365 	0x25, 0x7F,                   /*    Logical Maximum (127),        */
366 	0x75, 0x08,                   /*    Report Size (8),              */
367 	0x95, 0x07,                   /*    Report Count (7),             */
368 	0xB1, 0x02,                   /*    Feature (Variable),           */
369 	0xC0,                         /*  End Collection,                 */
370 	0x05, 0x0D,                   /*  Usage Page (Digitizer),         */
371 	0x09, 0x01,                   /*  Usage (Digitizer),              */
372 	0xA1, 0x01,                   /*  Collection (Application),       */
373 	0x85, 0x10,                   /*    Report ID (16),               */
374 	0x09, 0x20,                   /*    Usage (Stylus),               */
375 	0xA0,                         /*    Collection (Physical),        */
376 	0x09, 0x42,                   /*      Usage (Tip Switch),         */
377 	0x09, 0x44,                   /*      Usage (Barrel Switch),      */
378 	0x09, 0x46,                   /*      Usage (Tablet Pick),        */
379 	0x14,                         /*      Logical Minimum (0),        */
380 	0x25, 0x01,                   /*      Logical Maximum (1),        */
381 	0x75, 0x01,                   /*      Report Size (1),            */
382 	0x95, 0x03,                   /*      Report Count (3),           */
383 	0x81, 0x02,                   /*      Input (Variable),           */
384 	0x95, 0x04,                   /*      Report Count (4),           */
385 	0x81, 0x03,                   /*      Input (Constant, Variable), */
386 	0x09, 0x32,                   /*      Usage (In Range),           */
387 	0x95, 0x01,                   /*      Report Count (1),           */
388 	0x81, 0x02,                   /*      Input (Variable),           */
389 	0x75, 0x10,                   /*      Report Size (16),           */
390 	0x95, 0x01,                   /*      Report Count (1),           */
391 	0xA4,                         /*      Push,                       */
392 	0x05, 0x01,                   /*      Usage Page (Desktop),       */
393 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
394 	0x65, 0x13,                   /*      Unit (Inch),                */
395 	0x14,                         /*      Logical Minimum (0),        */
396 	0x34,                         /*      Physical Minimum (0),       */
397 	0x09, 0x30,                   /*      Usage (X),                  */
398 	0x27, 0x00, 0xF0, 0x00, 0x00, /*      Logical Maximum (61440),    */
399 	0x46, 0xE0, 0x2E,             /*      Physical Maximum (12000),   */
400 	0x81, 0x02,                   /*      Input (Variable),           */
401 	0x09, 0x31,                   /*      Usage (Y),                  */
402 	0x27, 0x00, 0xB4, 0x00, 0x00, /*      Logical Maximum (46080),    */
403 	0x46, 0x28, 0x23,             /*      Physical Maximum (9000),    */
404 	0x81, 0x02,                   /*      Input (Variable),           */
405 	0xB4,                         /*      Pop,                        */
406 	0x09, 0x30,                   /*      Usage (Tip Pressure),       */
407 	0x14,                         /*      Logical Minimum (0),        */
408 	0x26, 0xFF, 0x07,             /*      Logical Maximum (2047),     */
409 	0x81, 0x02,                   /*      Input (Variable),           */
410 	0xC0,                         /*    End Collection,               */
411 	0xC0,                         /*  End Collection,                 */
412 	0x05, 0x0D,                   /*  Usage Page (Digitizer),         */
413 	0x09, 0x21,                   /*  Usage (Puck),                   */
414 	0xA1, 0x01,                   /*  Collection (Application),       */
415 	0x85, 0x11,                   /*    Report ID (17),               */
416 	0x09, 0x21,                   /*    Usage (Puck),                 */
417 	0xA0,                         /*    Collection (Physical),        */
418 	0x05, 0x09,                   /*      Usage Page (Button),        */
419 	0x75, 0x01,                   /*      Report Size (1),            */
420 	0x19, 0x01,                   /*      Usage Minimum (01h),        */
421 	0x29, 0x03,                   /*      Usage Maximum (03h),        */
422 	0x14,                         /*      Logical Minimum (0),        */
423 	0x25, 0x01,                   /*      Logical Maximum (1),        */
424 	0x95, 0x03,                   /*      Report Count (3),           */
425 	0x81, 0x02,                   /*      Input (Variable),           */
426 	0x95, 0x04,                   /*      Report Count (4),           */
427 	0x81, 0x01,                   /*      Input (Constant),           */
428 	0x95, 0x01,                   /*      Report Count (1),           */
429 	0x0B, 0x32, 0x00, 0x0D, 0x00, /*      Usage (Digitizer In Range), */
430 	0x14,                         /*      Logical Minimum (0),        */
431 	0x25, 0x01,                   /*      Logical Maximum (1),        */
432 	0x81, 0x02,                   /*      Input (Variable),           */
433 	0xA4,                         /*      Push,                       */
434 	0x05, 0x01,                   /*      Usage Page (Desktop),       */
435 	0x75, 0x10,                   /*      Report Size (16),           */
436 	0x95, 0x01,                   /*      Report Count (1),           */
437 	0x55, 0xFD,                   /*      Unit Exponent (-3),         */
438 	0x65, 0x13,                   /*      Unit (Inch),                */
439 	0x14,                         /*      Logical Minimum (0),        */
440 	0x34,                         /*      Physical Minimum (0),       */
441 	0x09, 0x30,                   /*      Usage (X),                  */
442 	0x27, 0x00, 0xF0, 0x00, 0x00, /*      Logical Maximum (61440),    */
443 	0x46, 0xE0, 0x2E,             /*      Physical Maximum (12000),   */
444 	0x81, 0x02,                   /*      Input (Variable),           */
445 	0x09, 0x31,                   /*      Usage (Y),                  */
446 	0x27, 0x00, 0xB4, 0x00, 0x00, /*      Logical Maximum (46080),    */
447 	0x46, 0x28, 0x23,             /*      Physical Maximum (9000),    */
448 	0x81, 0x02,                   /*      Input (Variable),           */
449 	0x09, 0x38,                   /*      Usage (Wheel),              */
450 	0x75, 0x08,                   /*      Report Size (8),            */
451 	0x95, 0x01,                   /*      Report Count (1),           */
452 	0x15, 0xFF,                   /*      Logical Minimum (-1),       */
453 	0x25, 0x01,                   /*      Logical Maximum (1),        */
454 	0x34,                         /*      Physical Minimum (0),       */
455 	0x44,                         /*      Physical Maximum (0),       */
456 	0x81, 0x06,                   /*      Input (Variable, Relative), */
457 	0xB4,                         /*      Pop,                        */
458 	0xC0,                         /*    End Collection,               */
459 	0xC0,                         /*  End Collection,                 */
460 	0x05, 0x0C,                   /*  Usage Page (Consumer),          */
461 	0x09, 0x01,                   /*  Usage (Consumer Control),       */
462 	0xA1, 0x01,                   /*  Collection (Application),       */
463 	0x85, 0x12,                   /*    Report ID (18),               */
464 	0x14,                         /*    Logical Minimum (0),          */
465 	0x25, 0x01,                   /*    Logical Maximum (1),          */
466 	0x75, 0x01,                   /*    Report Size (1),              */
467 	0x95, 0x08,                   /*    Report Count (8),             */
468 	0x05, 0x0C,                   /*    Usage Page (Consumer),        */
469 	0x0A, 0x6A, 0x02,             /*    Usage (AC Delete),            */
470 	0x0A, 0x1A, 0x02,             /*    Usage (AC Undo),              */
471 	0x0A, 0x01, 0x02,             /*    Usage (AC New),               */
472 	0x0A, 0x2F, 0x02,             /*    Usage (AC Zoom),              */
473 	0x0A, 0x25, 0x02,             /*    Usage (AC Forward),           */
474 	0x0A, 0x24, 0x02,             /*    Usage (AC Back),              */
475 	0x0A, 0x2D, 0x02,             /*    Usage (AC Zoom In),           */
476 	0x0A, 0x2E, 0x02,             /*    Usage (AC Zoom Out),          */
477 	0x81, 0x02,                   /*    Input (Variable),             */
478 	0x95, 0x30,                   /*    Report Count (48),            */
479 	0x81, 0x03,                   /*    Input (Constant, Variable),   */
480 	0xC0                          /*  End Collection                  */
481 };
482 
483 /* Original EasyPen M406XE report descriptor size */
484 #define EASYPEN_M406XE_RDESC_ORIG_SIZE	476
485 
486 /* Fixed EasyPen M406XE  report descriptor */
487 static __u8 easypen_m406xe_rdesc_fixed[] = {
488 	0x05, 0x01,         /*  Usage Page (Desktop),               */
489 	0x09, 0x01,         /*  Usage (01h),                        */
490 	0xA1, 0x01,         /*  Collection (Application),           */
491 	0x85, 0x05,         /*      Report ID (5),                  */
492 	0x09, 0x01,         /*      Usage (01h),                    */
493 	0x15, 0x80,         /*      Logical Minimum (-128),         */
494 	0x25, 0x7F,         /*      Logical Maximum (127),          */
495 	0x75, 0x08,         /*      Report Size (8),                */
496 	0x95, 0x07,         /*      Report Count (7),               */
497 	0xB1, 0x02,         /*      Feature (Variable),             */
498 	0xC0,               /*  End Collection,                     */
499 	0x05, 0x0D,         /*  Usage Page (Digitizer),             */
500 	0x09, 0x01,         /*  Usage (Digitizer),                  */
501 	0xA1, 0x01,         /*  Collection (Application),           */
502 	0x85, 0x10,         /*      Report ID (16),                 */
503 	0x09, 0x20,         /*      Usage (Stylus),                 */
504 	0xA0,               /*      Collection (Physical),          */
505 	0x14,               /*          Logical Minimum (0),        */
506 	0x25, 0x01,         /*          Logical Maximum (1),        */
507 	0x75, 0x01,         /*          Report Size (1),            */
508 	0x09, 0x42,         /*          Usage (Tip Switch),         */
509 	0x09, 0x44,         /*          Usage (Barrel Switch),      */
510 	0x09, 0x46,         /*          Usage (Tablet Pick),        */
511 	0x95, 0x03,         /*          Report Count (3),           */
512 	0x81, 0x02,         /*          Input (Variable),           */
513 	0x95, 0x04,         /*          Report Count (4),           */
514 	0x81, 0x03,         /*          Input (Constant, Variable), */
515 	0x09, 0x32,         /*          Usage (In Range),           */
516 	0x95, 0x01,         /*          Report Count (1),           */
517 	0x81, 0x02,         /*          Input (Variable),           */
518 	0x75, 0x10,         /*          Report Size (16),           */
519 	0x95, 0x01,         /*          Report Count (1),           */
520 	0xA4,               /*          Push,                       */
521 	0x05, 0x01,         /*          Usage Page (Desktop),       */
522 	0x55, 0xFD,         /*          Unit Exponent (-3),         */
523 	0x65, 0x13,         /*          Unit (Inch),                */
524 	0x34,               /*          Physical Minimum (0),       */
525 	0x09, 0x30,         /*          Usage (X),                  */
526 	0x46, 0x70, 0x17,   /*          Physical Maximum (6000),    */
527 	0x26, 0x00, 0x3C,   /*          Logical Maximum (15360),    */
528 	0x81, 0x02,         /*          Input (Variable),           */
529 	0x09, 0x31,         /*          Usage (Y),                  */
530 	0x46, 0xA0, 0x0F,   /*          Physical Maximum (4000),    */
531 	0x26, 0x00, 0x28,   /*          Logical Maximum (10240),    */
532 	0x81, 0x02,         /*          Input (Variable),           */
533 	0xB4,               /*          Pop,                        */
534 	0x09, 0x30,         /*          Usage (Tip Pressure),       */
535 	0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
536 	0x81, 0x02,         /*          Input (Variable),           */
537 	0xC0,               /*      End Collection,                 */
538 	0xC0,               /*  End Collection                      */
539 	0x05, 0x0C,         /*  Usage Page (Consumer),              */
540 	0x09, 0x01,         /*  Usage (Consumer Control),           */
541 	0xA1, 0x01,         /*  Collection (Application),           */
542 	0x85, 0x12,         /*      Report ID (18),                 */
543 	0x14,               /*      Logical Minimum (0),            */
544 	0x25, 0x01,         /*      Logical Maximum (1),            */
545 	0x75, 0x01,         /*      Report Size (1),                */
546 	0x95, 0x04,         /*      Report Count (4),               */
547 	0x0A, 0x79, 0x02,   /*      Usage (AC Redo Or Repeat),      */
548 	0x0A, 0x1A, 0x02,   /*      Usage (AC Undo),                */
549 	0x0A, 0x2D, 0x02,   /*      Usage (AC Zoom In),             */
550 	0x0A, 0x2E, 0x02,   /*      Usage (AC Zoom Out),            */
551 	0x81, 0x02,         /*      Input (Variable),               */
552 	0x95, 0x34,         /*      Report Count (52),              */
553 	0x81, 0x03,         /*      Input (Constant, Variable),     */
554 	0xC0                /*  End Collection                      */
555 };
556 
557 static __u8 *kye_consumer_control_fixup(struct hid_device *hdev, __u8 *rdesc,
558 		unsigned int *rsize, int offset, const char *device_name) {
559 	/*
560 	 * the fixup that need to be done:
561 	 *   - change Usage Maximum in the Consumer Control
562 	 *     (report ID 3) to a reasonable value
563 	 */
564 	if (*rsize >= offset + 31 &&
565 	    /* Usage Page (Consumer Devices) */
566 	    rdesc[offset] == 0x05 && rdesc[offset + 1] == 0x0c &&
567 	    /* Usage (Consumer Control) */
568 	    rdesc[offset + 2] == 0x09 && rdesc[offset + 3] == 0x01 &&
569 	    /*   Usage Maximum > 12287 */
570 	    rdesc[offset + 10] == 0x2a && rdesc[offset + 12] > 0x2f) {
571 		hid_info(hdev, "fixing up %s report descriptor\n", device_name);
572 		rdesc[offset + 12] = 0x2f;
573 	}
574 	return rdesc;
575 }
576 
577 static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc,
578 		unsigned int *rsize)
579 {
580 	switch (hdev->product) {
581 	case USB_DEVICE_ID_KYE_ERGO_525V:
582 		/* the fixups that need to be done:
583 		 *   - change led usage page to button for extra buttons
584 		 *   - report size 8 count 1 must be size 1 count 8 for button
585 		 *     bitfield
586 		 *   - change the button usage range to 4-7 for the extra
587 		 *     buttons
588 		 */
589 		if (*rsize >= 75 &&
590 			rdesc[61] == 0x05 && rdesc[62] == 0x08 &&
591 			rdesc[63] == 0x19 && rdesc[64] == 0x08 &&
592 			rdesc[65] == 0x29 && rdesc[66] == 0x0f &&
593 			rdesc[71] == 0x75 && rdesc[72] == 0x08 &&
594 			rdesc[73] == 0x95 && rdesc[74] == 0x01) {
595 			hid_info(hdev,
596 				 "fixing up Kye/Genius Ergo Mouse "
597 				 "report descriptor\n");
598 			rdesc[62] = 0x09;
599 			rdesc[64] = 0x04;
600 			rdesc[66] = 0x07;
601 			rdesc[72] = 0x01;
602 			rdesc[74] = 0x08;
603 		}
604 		break;
605 	case USB_DEVICE_ID_KYE_EASYPEN_I405X:
606 		if (*rsize == EASYPEN_I405X_RDESC_ORIG_SIZE) {
607 			rdesc = easypen_i405x_rdesc_fixed;
608 			*rsize = sizeof(easypen_i405x_rdesc_fixed);
609 		}
610 		break;
611 	case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
612 		if (*rsize == MOUSEPEN_I608X_RDESC_ORIG_SIZE) {
613 			rdesc = mousepen_i608x_rdesc_fixed;
614 			*rsize = sizeof(mousepen_i608x_rdesc_fixed);
615 		}
616 		break;
617 	case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2:
618 		if (*rsize == MOUSEPEN_I608X_V2_RDESC_ORIG_SIZE) {
619 			rdesc = mousepen_i608x_v2_rdesc_fixed;
620 			*rsize = sizeof(mousepen_i608x_v2_rdesc_fixed);
621 		}
622 		break;
623 	case USB_DEVICE_ID_KYE_EASYPEN_M610X:
624 		if (*rsize == EASYPEN_M610X_RDESC_ORIG_SIZE) {
625 			rdesc = easypen_m610x_rdesc_fixed;
626 			*rsize = sizeof(easypen_m610x_rdesc_fixed);
627 		}
628 		break;
629 	case USB_DEVICE_ID_KYE_EASYPEN_M406XE:
630 		if (*rsize == EASYPEN_M406XE_RDESC_ORIG_SIZE) {
631 			rdesc = easypen_m406xe_rdesc_fixed;
632 			*rsize = sizeof(easypen_m406xe_rdesc_fixed);
633 		}
634 		break;
635 	case USB_DEVICE_ID_KYE_PENSKETCH_M912:
636 		if (*rsize == PENSKETCH_M912_RDESC_ORIG_SIZE) {
637 			rdesc = pensketch_m912_rdesc_fixed;
638 			*rsize = sizeof(pensketch_m912_rdesc_fixed);
639 		}
640 		break;
641 	case USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE:
642 		rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104,
643 					"Genius Gila Gaming Mouse");
644 		break;
645 	case USB_DEVICE_ID_GENIUS_GX_IMPERATOR:
646 		rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 83,
647 					"Genius Gx Imperator Keyboard");
648 		break;
649 	case USB_DEVICE_ID_GENIUS_MANTICORE:
650 		rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104,
651 					"Genius Manticore Keyboard");
652 		break;
653 	}
654 	return rdesc;
655 }
656 
657 /**
658  * kye_tablet_enable() - Enable fully-functional tablet mode by setting a special feature report.
659  *
660  * @hdev:	HID device
661  *
662  * The specific report ID and data were discovered by sniffing the
663  * Windows driver traffic.
664  */
665 static int kye_tablet_enable(struct hid_device *hdev)
666 {
667 	struct list_head *list;
668 	struct list_head *head;
669 	struct hid_report *report;
670 	__s32 *value;
671 
672 	list = &hdev->report_enum[HID_FEATURE_REPORT].report_list;
673 	list_for_each(head, list) {
674 		report = list_entry(head, struct hid_report, list);
675 		if (report->id == 5)
676 			break;
677 	}
678 
679 	if (head == list) {
680 		hid_err(hdev, "tablet-enabling feature report not found\n");
681 		return -ENODEV;
682 	}
683 
684 	if (report->maxfield < 1 || report->field[0]->report_count < 7) {
685 		hid_err(hdev, "invalid tablet-enabling feature report\n");
686 		return -ENODEV;
687 	}
688 
689 	value = report->field[0]->value;
690 
691 	value[0] = 0x12;
692 	value[1] = 0x10;
693 	value[2] = 0x11;
694 	value[3] = 0x12;
695 	value[4] = 0x00;
696 	value[5] = 0x00;
697 	value[6] = 0x00;
698 	hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
699 
700 	return 0;
701 }
702 
703 static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id)
704 {
705 	int ret;
706 
707 	ret = hid_parse(hdev);
708 	if (ret) {
709 		hid_err(hdev, "parse failed\n");
710 		goto err;
711 	}
712 
713 	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
714 	if (ret) {
715 		hid_err(hdev, "hw start failed\n");
716 		goto err;
717 	}
718 
719 	switch (id->product) {
720 	case USB_DEVICE_ID_KYE_EASYPEN_I405X:
721 	case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
722 	case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2:
723 	case USB_DEVICE_ID_KYE_EASYPEN_M610X:
724 	case USB_DEVICE_ID_KYE_EASYPEN_M406XE:
725 	case USB_DEVICE_ID_KYE_PENSKETCH_M912:
726 		ret = kye_tablet_enable(hdev);
727 		if (ret) {
728 			hid_err(hdev, "tablet enabling failed\n");
729 			goto enabling_err;
730 		}
731 		break;
732 	case USB_DEVICE_ID_GENIUS_MANTICORE:
733 		/*
734 		 * The manticore keyboard needs to have all the interfaces
735 		 * opened at least once to be fully functional.
736 		 */
737 		if (hid_hw_open(hdev))
738 			hid_hw_close(hdev);
739 		break;
740 	}
741 
742 	return 0;
743 enabling_err:
744 	hid_hw_stop(hdev);
745 err:
746 	return ret;
747 }
748 
749 static const struct hid_device_id kye_devices[] = {
750 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
751 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
752 				USB_DEVICE_ID_KYE_EASYPEN_I405X) },
753 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
754 				USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
755 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
756 				USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
757 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
758 				USB_DEVICE_ID_KYE_EASYPEN_M610X) },
759 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
760 				USB_DEVICE_ID_KYE_EASYPEN_M406XE) },
761 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
762 				USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
763 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
764 				USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
765 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
766 				USB_DEVICE_ID_GENIUS_MANTICORE) },
767 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
768 				USB_DEVICE_ID_KYE_PENSKETCH_M912) },
769 	{ }
770 };
771 MODULE_DEVICE_TABLE(hid, kye_devices);
772 
773 static struct hid_driver kye_driver = {
774 	.name = "kye",
775 	.id_table = kye_devices,
776 	.probe = kye_probe,
777 	.report_fixup = kye_report_fixup,
778 };
779 module_hid_driver(kye_driver);
780 
781 MODULE_LICENSE("GPL");
782