1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | |
3 | /* |
4 | * Quirks for I2C-HID devices that do not supply proper descriptors |
5 | * |
6 | * Copyright (c) 2018 Julian Sax <jsbc@gmx.de> |
7 | * |
8 | */ |
9 | |
10 | #include <linux/types.h> |
11 | #include <linux/dmi.h> |
12 | #include <linux/mod_devicetable.h> |
13 | #include <linux/hid.h> |
14 | |
15 | #include "i2c-hid.h" |
16 | #include "../hid-ids.h" |
17 | |
18 | |
19 | struct i2c_hid_desc_override { |
20 | union { |
21 | struct i2c_hid_desc *i2c_hid_desc; |
22 | uint8_t *i2c_hid_desc_buffer; |
23 | }; |
24 | uint8_t *hid_report_desc; |
25 | unsigned int hid_report_desc_size; |
26 | uint8_t *i2c_name; |
27 | }; |
28 | |
29 | |
30 | /* |
31 | * descriptors for the SIPODEV SP1064 touchpad |
32 | * |
33 | * This device does not supply any descriptors and on windows a filter |
34 | * driver operates between the i2c-hid layer and the device and injects |
35 | * these descriptors when the device is prompted. The descriptors were |
36 | * extracted by listening to the i2c-hid traffic that occurs between the |
37 | * windows filter driver and the windows i2c-hid driver. |
38 | */ |
39 | |
40 | static const struct i2c_hid_desc_override sipodev_desc = { |
41 | .i2c_hid_desc_buffer = (uint8_t []) |
42 | {0x1e, 0x00, /* Length of descriptor */ |
43 | 0x00, 0x01, /* Version of descriptor */ |
44 | 0xdb, 0x01, /* Length of report descriptor */ |
45 | 0x21, 0x00, /* Location of report descriptor */ |
46 | 0x24, 0x00, /* Location of input report */ |
47 | 0x1b, 0x00, /* Max input report length */ |
48 | 0x25, 0x00, /* Location of output report */ |
49 | 0x11, 0x00, /* Max output report length */ |
50 | 0x22, 0x00, /* Location of command register */ |
51 | 0x23, 0x00, /* Location of data register */ |
52 | 0x11, 0x09, /* Vendor ID */ |
53 | 0x88, 0x52, /* Product ID */ |
54 | 0x06, 0x00, /* Version ID */ |
55 | 0x00, 0x00, 0x00, 0x00 /* Reserved */ |
56 | }, |
57 | |
58 | .hid_report_desc = (uint8_t []) |
59 | {0x05, 0x01, /* Usage Page (Desktop), */ |
60 | 0x09, 0x02, /* Usage (Mouse), */ |
61 | 0xA1, 0x01, /* Collection (Application), */ |
62 | 0x85, 0x01, /* Report ID (1), */ |
63 | 0x09, 0x01, /* Usage (Pointer), */ |
64 | 0xA1, 0x00, /* Collection (Physical), */ |
65 | 0x05, 0x09, /* Usage Page (Button), */ |
66 | 0x19, 0x01, /* Usage Minimum (01h), */ |
67 | 0x29, 0x02, /* Usage Maximum (02h), */ |
68 | 0x25, 0x01, /* Logical Maximum (1), */ |
69 | 0x75, 0x01, /* Report Size (1), */ |
70 | 0x95, 0x02, /* Report Count (2), */ |
71 | 0x81, 0x02, /* Input (Variable), */ |
72 | 0x95, 0x06, /* Report Count (6), */ |
73 | 0x81, 0x01, /* Input (Constant), */ |
74 | 0x05, 0x01, /* Usage Page (Desktop), */ |
75 | 0x09, 0x30, /* Usage (X), */ |
76 | 0x09, 0x31, /* Usage (Y), */ |
77 | 0x15, 0x81, /* Logical Minimum (-127), */ |
78 | 0x25, 0x7F, /* Logical Maximum (127), */ |
79 | 0x75, 0x08, /* Report Size (8), */ |
80 | 0x95, 0x02, /* Report Count (2), */ |
81 | 0x81, 0x06, /* Input (Variable, Relative), */ |
82 | 0xC0, /* End Collection, */ |
83 | 0xC0, /* End Collection, */ |
84 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
85 | 0x09, 0x05, /* Usage (Touchpad), */ |
86 | 0xA1, 0x01, /* Collection (Application), */ |
87 | 0x85, 0x04, /* Report ID (4), */ |
88 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
89 | 0x09, 0x22, /* Usage (Finger), */ |
90 | 0xA1, 0x02, /* Collection (Logical), */ |
91 | 0x15, 0x00, /* Logical Minimum (0), */ |
92 | 0x25, 0x01, /* Logical Maximum (1), */ |
93 | 0x09, 0x47, /* Usage (Touch Valid), */ |
94 | 0x09, 0x42, /* Usage (Tip Switch), */ |
95 | 0x95, 0x02, /* Report Count (2), */ |
96 | 0x75, 0x01, /* Report Size (1), */ |
97 | 0x81, 0x02, /* Input (Variable), */ |
98 | 0x95, 0x01, /* Report Count (1), */ |
99 | 0x75, 0x03, /* Report Size (3), */ |
100 | 0x25, 0x05, /* Logical Maximum (5), */ |
101 | 0x09, 0x51, /* Usage (Contact Identifier), */ |
102 | 0x81, 0x02, /* Input (Variable), */ |
103 | 0x75, 0x01, /* Report Size (1), */ |
104 | 0x95, 0x03, /* Report Count (3), */ |
105 | 0x81, 0x03, /* Input (Constant, Variable), */ |
106 | 0x05, 0x01, /* Usage Page (Desktop), */ |
107 | 0x26, 0x44, 0x0A, /* Logical Maximum (2628), */ |
108 | 0x75, 0x10, /* Report Size (16), */ |
109 | 0x55, 0x0E, /* Unit Exponent (14), */ |
110 | 0x65, 0x11, /* Unit (Centimeter), */ |
111 | 0x09, 0x30, /* Usage (X), */ |
112 | 0x46, 0x1A, 0x04, /* Physical Maximum (1050), */ |
113 | 0x95, 0x01, /* Report Count (1), */ |
114 | 0x81, 0x02, /* Input (Variable), */ |
115 | 0x46, 0xBC, 0x02, /* Physical Maximum (700), */ |
116 | 0x26, 0x34, 0x05, /* Logical Maximum (1332), */ |
117 | 0x09, 0x31, /* Usage (Y), */ |
118 | 0x81, 0x02, /* Input (Variable), */ |
119 | 0xC0, /* End Collection, */ |
120 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
121 | 0x09, 0x22, /* Usage (Finger), */ |
122 | 0xA1, 0x02, /* Collection (Logical), */ |
123 | 0x25, 0x01, /* Logical Maximum (1), */ |
124 | 0x09, 0x47, /* Usage (Touch Valid), */ |
125 | 0x09, 0x42, /* Usage (Tip Switch), */ |
126 | 0x95, 0x02, /* Report Count (2), */ |
127 | 0x75, 0x01, /* Report Size (1), */ |
128 | 0x81, 0x02, /* Input (Variable), */ |
129 | 0x95, 0x01, /* Report Count (1), */ |
130 | 0x75, 0x03, /* Report Size (3), */ |
131 | 0x25, 0x05, /* Logical Maximum (5), */ |
132 | 0x09, 0x51, /* Usage (Contact Identifier), */ |
133 | 0x81, 0x02, /* Input (Variable), */ |
134 | 0x75, 0x01, /* Report Size (1), */ |
135 | 0x95, 0x03, /* Report Count (3), */ |
136 | 0x81, 0x03, /* Input (Constant, Variable), */ |
137 | 0x05, 0x01, /* Usage Page (Desktop), */ |
138 | 0x26, 0x44, 0x0A, /* Logical Maximum (2628), */ |
139 | 0x75, 0x10, /* Report Size (16), */ |
140 | 0x09, 0x30, /* Usage (X), */ |
141 | 0x46, 0x1A, 0x04, /* Physical Maximum (1050), */ |
142 | 0x95, 0x01, /* Report Count (1), */ |
143 | 0x81, 0x02, /* Input (Variable), */ |
144 | 0x46, 0xBC, 0x02, /* Physical Maximum (700), */ |
145 | 0x26, 0x34, 0x05, /* Logical Maximum (1332), */ |
146 | 0x09, 0x31, /* Usage (Y), */ |
147 | 0x81, 0x02, /* Input (Variable), */ |
148 | 0xC0, /* End Collection, */ |
149 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
150 | 0x09, 0x22, /* Usage (Finger), */ |
151 | 0xA1, 0x02, /* Collection (Logical), */ |
152 | 0x25, 0x01, /* Logical Maximum (1), */ |
153 | 0x09, 0x47, /* Usage (Touch Valid), */ |
154 | 0x09, 0x42, /* Usage (Tip Switch), */ |
155 | 0x95, 0x02, /* Report Count (2), */ |
156 | 0x75, 0x01, /* Report Size (1), */ |
157 | 0x81, 0x02, /* Input (Variable), */ |
158 | 0x95, 0x01, /* Report Count (1), */ |
159 | 0x75, 0x03, /* Report Size (3), */ |
160 | 0x25, 0x05, /* Logical Maximum (5), */ |
161 | 0x09, 0x51, /* Usage (Contact Identifier), */ |
162 | 0x81, 0x02, /* Input (Variable), */ |
163 | 0x75, 0x01, /* Report Size (1), */ |
164 | 0x95, 0x03, /* Report Count (3), */ |
165 | 0x81, 0x03, /* Input (Constant, Variable), */ |
166 | 0x05, 0x01, /* Usage Page (Desktop), */ |
167 | 0x26, 0x44, 0x0A, /* Logical Maximum (2628), */ |
168 | 0x75, 0x10, /* Report Size (16), */ |
169 | 0x09, 0x30, /* Usage (X), */ |
170 | 0x46, 0x1A, 0x04, /* Physical Maximum (1050), */ |
171 | 0x95, 0x01, /* Report Count (1), */ |
172 | 0x81, 0x02, /* Input (Variable), */ |
173 | 0x46, 0xBC, 0x02, /* Physical Maximum (700), */ |
174 | 0x26, 0x34, 0x05, /* Logical Maximum (1332), */ |
175 | 0x09, 0x31, /* Usage (Y), */ |
176 | 0x81, 0x02, /* Input (Variable), */ |
177 | 0xC0, /* End Collection, */ |
178 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
179 | 0x09, 0x22, /* Usage (Finger), */ |
180 | 0xA1, 0x02, /* Collection (Logical), */ |
181 | 0x25, 0x01, /* Logical Maximum (1), */ |
182 | 0x09, 0x47, /* Usage (Touch Valid), */ |
183 | 0x09, 0x42, /* Usage (Tip Switch), */ |
184 | 0x95, 0x02, /* Report Count (2), */ |
185 | 0x75, 0x01, /* Report Size (1), */ |
186 | 0x81, 0x02, /* Input (Variable), */ |
187 | 0x95, 0x01, /* Report Count (1), */ |
188 | 0x75, 0x03, /* Report Size (3), */ |
189 | 0x25, 0x05, /* Logical Maximum (5), */ |
190 | 0x09, 0x51, /* Usage (Contact Identifier), */ |
191 | 0x81, 0x02, /* Input (Variable), */ |
192 | 0x75, 0x01, /* Report Size (1), */ |
193 | 0x95, 0x03, /* Report Count (3), */ |
194 | 0x81, 0x03, /* Input (Constant, Variable), */ |
195 | 0x05, 0x01, /* Usage Page (Desktop), */ |
196 | 0x26, 0x44, 0x0A, /* Logical Maximum (2628), */ |
197 | 0x75, 0x10, /* Report Size (16), */ |
198 | 0x09, 0x30, /* Usage (X), */ |
199 | 0x46, 0x1A, 0x04, /* Physical Maximum (1050), */ |
200 | 0x95, 0x01, /* Report Count (1), */ |
201 | 0x81, 0x02, /* Input (Variable), */ |
202 | 0x46, 0xBC, 0x02, /* Physical Maximum (700), */ |
203 | 0x26, 0x34, 0x05, /* Logical Maximum (1332), */ |
204 | 0x09, 0x31, /* Usage (Y), */ |
205 | 0x81, 0x02, /* Input (Variable), */ |
206 | 0xC0, /* End Collection, */ |
207 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
208 | 0x55, 0x0C, /* Unit Exponent (12), */ |
209 | 0x66, 0x01, 0x10, /* Unit (Seconds), */ |
210 | 0x47, 0xFF, 0xFF, 0x00, 0x00,/* Physical Maximum (65535), */ |
211 | 0x27, 0xFF, 0xFF, 0x00, 0x00,/* Logical Maximum (65535), */ |
212 | 0x75, 0x10, /* Report Size (16), */ |
213 | 0x95, 0x01, /* Report Count (1), */ |
214 | 0x09, 0x56, /* Usage (Scan Time), */ |
215 | 0x81, 0x02, /* Input (Variable), */ |
216 | 0x09, 0x54, /* Usage (Contact Count), */ |
217 | 0x25, 0x7F, /* Logical Maximum (127), */ |
218 | 0x75, 0x08, /* Report Size (8), */ |
219 | 0x81, 0x02, /* Input (Variable), */ |
220 | 0x05, 0x09, /* Usage Page (Button), */ |
221 | 0x09, 0x01, /* Usage (01h), */ |
222 | 0x25, 0x01, /* Logical Maximum (1), */ |
223 | 0x75, 0x01, /* Report Size (1), */ |
224 | 0x95, 0x01, /* Report Count (1), */ |
225 | 0x81, 0x02, /* Input (Variable), */ |
226 | 0x95, 0x07, /* Report Count (7), */ |
227 | 0x81, 0x03, /* Input (Constant, Variable), */ |
228 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
229 | 0x85, 0x02, /* Report ID (2), */ |
230 | 0x09, 0x55, /* Usage (Contact Count Maximum), */ |
231 | 0x09, 0x59, /* Usage (59h), */ |
232 | 0x75, 0x04, /* Report Size (4), */ |
233 | 0x95, 0x02, /* Report Count (2), */ |
234 | 0x25, 0x0F, /* Logical Maximum (15), */ |
235 | 0xB1, 0x02, /* Feature (Variable), */ |
236 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
237 | 0x85, 0x07, /* Report ID (7), */ |
238 | 0x09, 0x60, /* Usage (60h), */ |
239 | 0x75, 0x01, /* Report Size (1), */ |
240 | 0x95, 0x01, /* Report Count (1), */ |
241 | 0x25, 0x01, /* Logical Maximum (1), */ |
242 | 0xB1, 0x02, /* Feature (Variable), */ |
243 | 0x95, 0x07, /* Report Count (7), */ |
244 | 0xB1, 0x03, /* Feature (Constant, Variable), */ |
245 | 0x85, 0x06, /* Report ID (6), */ |
246 | 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ |
247 | 0x09, 0xC5, /* Usage (C5h), */ |
248 | 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ |
249 | 0x75, 0x08, /* Report Size (8), */ |
250 | 0x96, 0x00, 0x01, /* Report Count (256), */ |
251 | 0xB1, 0x02, /* Feature (Variable), */ |
252 | 0xC0, /* End Collection, */ |
253 | 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ |
254 | 0x09, 0x01, /* Usage (01h), */ |
255 | 0xA1, 0x01, /* Collection (Application), */ |
256 | 0x85, 0x0D, /* Report ID (13), */ |
257 | 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ |
258 | 0x19, 0x01, /* Usage Minimum (01h), */ |
259 | 0x29, 0x02, /* Usage Maximum (02h), */ |
260 | 0x75, 0x08, /* Report Size (8), */ |
261 | 0x95, 0x02, /* Report Count (2), */ |
262 | 0xB1, 0x02, /* Feature (Variable), */ |
263 | 0xC0, /* End Collection, */ |
264 | 0x05, 0x0D, /* Usage Page (Digitizer), */ |
265 | 0x09, 0x0E, /* Usage (Configuration), */ |
266 | 0xA1, 0x01, /* Collection (Application), */ |
267 | 0x85, 0x03, /* Report ID (3), */ |
268 | 0x09, 0x22, /* Usage (Finger), */ |
269 | 0xA1, 0x02, /* Collection (Logical), */ |
270 | 0x09, 0x52, /* Usage (Device Mode), */ |
271 | 0x25, 0x0A, /* Logical Maximum (10), */ |
272 | 0x95, 0x01, /* Report Count (1), */ |
273 | 0xB1, 0x02, /* Feature (Variable), */ |
274 | 0xC0, /* End Collection, */ |
275 | 0x09, 0x22, /* Usage (Finger), */ |
276 | 0xA1, 0x00, /* Collection (Physical), */ |
277 | 0x85, 0x05, /* Report ID (5), */ |
278 | 0x09, 0x57, /* Usage (57h), */ |
279 | 0x09, 0x58, /* Usage (58h), */ |
280 | 0x75, 0x01, /* Report Size (1), */ |
281 | 0x95, 0x02, /* Report Count (2), */ |
282 | 0x25, 0x01, /* Logical Maximum (1), */ |
283 | 0xB1, 0x02, /* Feature (Variable), */ |
284 | 0x95, 0x06, /* Report Count (6), */ |
285 | 0xB1, 0x03, /* Feature (Constant, Variable),*/ |
286 | 0xC0, /* End Collection, */ |
287 | 0xC0 /* End Collection */ |
288 | }, |
289 | .hid_report_desc_size = 475, |
290 | .i2c_name = "SYNA3602:00" |
291 | }; |
292 | |
293 | |
294 | static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = { |
295 | { |
296 | .ident = "Teclast F6 Pro" , |
297 | .matches = { |
298 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TECLAST" ), |
299 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "F6 Pro" ), |
300 | }, |
301 | .driver_data = (void *)&sipodev_desc |
302 | }, |
303 | { |
304 | .ident = "Teclast F7" , |
305 | .matches = { |
306 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TECLAST" ), |
307 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "F7" ), |
308 | }, |
309 | .driver_data = (void *)&sipodev_desc |
310 | }, |
311 | { |
312 | .ident = "Trekstor Primebook C13" , |
313 | .matches = { |
314 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR" ), |
315 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Primebook C13" ), |
316 | }, |
317 | .driver_data = (void *)&sipodev_desc |
318 | }, |
319 | { |
320 | .ident = "Trekstor Primebook C11" , |
321 | .matches = { |
322 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR" ), |
323 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Primebook C11" ), |
324 | }, |
325 | .driver_data = (void *)&sipodev_desc |
326 | }, |
327 | { |
328 | /* |
329 | * There are at least 2 Primebook C11B versions, the older |
330 | * version has a product-name of "Primebook C11B", and a |
331 | * bios version / release / firmware revision of: |
332 | * V2.1.2 / 05/03/2018 / 18.2 |
333 | * The new version has "PRIMEBOOK C11B" as product-name and a |
334 | * bios version / release / firmware revision of: |
335 | * CFALKSW05_BIOS_V1.1.2 / 11/19/2018 / 19.2 |
336 | * Only the older version needs this quirk, note the newer |
337 | * version will not match as it has a different product-name. |
338 | */ |
339 | .ident = "Trekstor Primebook C11B" , |
340 | .matches = { |
341 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR" ), |
342 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Primebook C11B" ), |
343 | }, |
344 | .driver_data = (void *)&sipodev_desc |
345 | }, |
346 | { |
347 | .ident = "Trekstor SURFBOOK E11B" , |
348 | .matches = { |
349 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR" ), |
350 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SURFBOOK E11B" ), |
351 | }, |
352 | .driver_data = (void *)&sipodev_desc |
353 | }, |
354 | { |
355 | .ident = "Direkt-Tek DTLAPY116-2" , |
356 | .matches = { |
357 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Direkt-Tek" ), |
358 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "DTLAPY116-2" ), |
359 | }, |
360 | .driver_data = (void *)&sipodev_desc |
361 | }, |
362 | { |
363 | .ident = "Direkt-Tek DTLAPY133-1" , |
364 | .matches = { |
365 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Direkt-Tek" ), |
366 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "DTLAPY133-1" ), |
367 | }, |
368 | .driver_data = (void *)&sipodev_desc |
369 | }, |
370 | { |
371 | .ident = "Mediacom Flexbook Edge 11" , |
372 | .matches = { |
373 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MEDIACOM" ), |
374 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "FlexBook edge11 - M-FBE11" ), |
375 | }, |
376 | .driver_data = (void *)&sipodev_desc |
377 | }, |
378 | { |
379 | .ident = "Mediacom FlexBook edge 13" , |
380 | .matches = { |
381 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MEDIACOM" ), |
382 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "FlexBook_edge13-M-FBE13" ), |
383 | }, |
384 | .driver_data = (void *)&sipodev_desc |
385 | }, |
386 | { |
387 | .ident = "Odys Winbook 13" , |
388 | .matches = { |
389 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AXDIA International GmbH" ), |
390 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "WINBOOK 13" ), |
391 | }, |
392 | .driver_data = (void *)&sipodev_desc |
393 | }, |
394 | { |
395 | .ident = "iBall Aer3" , |
396 | .matches = { |
397 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "iBall" ), |
398 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Aer3" ), |
399 | }, |
400 | .driver_data = (void *)&sipodev_desc |
401 | }, |
402 | { |
403 | .ident = "Schneider SCL142ALM" , |
404 | .matches = { |
405 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SCHNEIDER" ), |
406 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SCL142ALM" ), |
407 | }, |
408 | .driver_data = (void *)&sipodev_desc |
409 | }, |
410 | { |
411 | .ident = "Vero K147" , |
412 | .matches = { |
413 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VERO" ), |
414 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "K147" ), |
415 | }, |
416 | .driver_data = (void *)&sipodev_desc |
417 | }, |
418 | { } /* Terminate list */ |
419 | }; |
420 | |
421 | static const struct hid_device_id i2c_hid_elan_flipped_quirks = { |
422 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_ELAN, 0x2dcd), |
423 | HID_QUIRK_X_INVERT | HID_QUIRK_Y_INVERT |
424 | }; |
425 | |
426 | /* |
427 | * This list contains devices which have specific issues based on the system |
428 | * they're on and not just the device itself. The driver_data will have a |
429 | * specific hid device to match against. |
430 | */ |
431 | static const struct dmi_system_id i2c_hid_dmi_quirk_table[] = { |
432 | { |
433 | .ident = "DynaBook K50/FR" , |
434 | .matches = { |
435 | DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dynabook Inc." ), |
436 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "dynabook K50/FR" ), |
437 | }, |
438 | .driver_data = (void *)&i2c_hid_elan_flipped_quirks, |
439 | }, |
440 | { } /* Terminate list */ |
441 | }; |
442 | |
443 | |
444 | struct i2c_hid_desc *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name) |
445 | { |
446 | struct i2c_hid_desc_override *override; |
447 | const struct dmi_system_id *system_id; |
448 | |
449 | system_id = dmi_first_match(list: i2c_hid_dmi_desc_override_table); |
450 | if (!system_id) |
451 | return NULL; |
452 | |
453 | override = system_id->driver_data; |
454 | if (strcmp(override->i2c_name, i2c_name)) |
455 | return NULL; |
456 | |
457 | return override->i2c_hid_desc; |
458 | } |
459 | |
460 | char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, |
461 | unsigned int *size) |
462 | { |
463 | struct i2c_hid_desc_override *override; |
464 | const struct dmi_system_id *system_id; |
465 | |
466 | system_id = dmi_first_match(list: i2c_hid_dmi_desc_override_table); |
467 | if (!system_id) |
468 | return NULL; |
469 | |
470 | override = system_id->driver_data; |
471 | if (strcmp(override->i2c_name, i2c_name)) |
472 | return NULL; |
473 | |
474 | *size = override->hid_report_desc_size; |
475 | return override->hid_report_desc; |
476 | } |
477 | |
478 | u32 i2c_hid_get_dmi_quirks(const u16 vendor, const u16 product) |
479 | { |
480 | u32 quirks = 0; |
481 | const struct dmi_system_id *system_id = |
482 | dmi_first_match(list: i2c_hid_dmi_quirk_table); |
483 | |
484 | if (system_id) { |
485 | const struct hid_device_id *device_id = |
486 | (struct hid_device_id *)(system_id->driver_data); |
487 | |
488 | if (device_id && device_id->vendor == vendor && |
489 | device_id->product == product) |
490 | quirks = device_id->driver_data; |
491 | } |
492 | |
493 | return quirks; |
494 | } |
495 | |