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1/*
2 * Silead touchscreen driver DMI based configuration code
3 *
4 * Copyright (c) 2017 Red Hat Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * Red Hat authors:
12 * Hans de Goede <hdegoede@redhat.com>
13 */
14
15#include <linux/acpi.h>
16#include <linux/device.h>
17#include <linux/dmi.h>
18#include <linux/i2c.h>
19#include <linux/notifier.h>
20#include <linux/property.h>
21#include <linux/string.h>
22
23struct silead_ts_dmi_data {
24 const char *acpi_name;
25 const struct property_entry *properties;
26};
27
28static const struct property_entry cube_iwork8_air_props[] = {
29 PROPERTY_ENTRY_U32("touchscreen-size-x", 1660),
30 PROPERTY_ENTRY_U32("touchscreen-size-y", 900),
31 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
32 PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-cube-iwork8-air.fw"),
33 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
34 { }
35};
36
37static const struct silead_ts_dmi_data cube_iwork8_air_data = {
38 .acpi_name = "MSSL1680:00",
39 .properties = cube_iwork8_air_props,
40};
41
42static const struct property_entry jumper_ezpad_mini3_props[] = {
43 PROPERTY_ENTRY_U32("touchscreen-size-x", 1700),
44 PROPERTY_ENTRY_U32("touchscreen-size-y", 1150),
45 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
46 PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-jumper-ezpad-mini3.fw"),
47 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
48 { }
49};
50
51static const struct silead_ts_dmi_data jumper_ezpad_mini3_data = {
52 .acpi_name = "MSSL1680:00",
53 .properties = jumper_ezpad_mini3_props,
54};
55
56static const struct property_entry dexp_ursus_7w_props[] = {
57 PROPERTY_ENTRY_U32("touchscreen-size-x", 890),
58 PROPERTY_ENTRY_U32("touchscreen-size-y", 630),
59 PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-dexp-ursus-7w.fw"),
60 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
61 PROPERTY_ENTRY_BOOL("silead,home-button"),
62 { }
63};
64
65static const struct silead_ts_dmi_data dexp_ursus_7w_data = {
66 .acpi_name = "MSSL1680:00",
67 .properties = dexp_ursus_7w_props,
68};
69
70static const struct property_entry surftab_twin_10_1_st10432_8_props[] = {
71 PROPERTY_ENTRY_U32("touchscreen-size-x", 1900),
72 PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
73 PROPERTY_ENTRY_U32("touchscreen-inverted-y", 1),
74 PROPERTY_ENTRY_STRING("firmware-name",
75 "gsl3670-surftab-twin-10-1-st10432-8.fw"),
76 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
77 { }
78};
79
80static const struct silead_ts_dmi_data surftab_twin_10_1_st10432_8_data = {
81 .acpi_name = "MSSL1680:00",
82 .properties = surftab_twin_10_1_st10432_8_props,
83};
84
85static const struct property_entry surftab_wintron70_st70416_6_props[] = {
86 PROPERTY_ENTRY_U32("touchscreen-size-x", 884),
87 PROPERTY_ENTRY_U32("touchscreen-size-y", 632),
88 PROPERTY_ENTRY_STRING("firmware-name",
89 "gsl1686-surftab-wintron70-st70416-6.fw"),
90 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
91 PROPERTY_ENTRY_BOOL("silead,home-button"),
92 { }
93};
94
95static const struct silead_ts_dmi_data surftab_wintron70_st70416_6_data = {
96 .acpi_name = "MSSL1680:00",
97 .properties = surftab_wintron70_st70416_6_props,
98};
99
100static const struct property_entry gp_electronic_t701_props[] = {
101 PROPERTY_ENTRY_U32("touchscreen-size-x", 960),
102 PROPERTY_ENTRY_U32("touchscreen-size-y", 640),
103 PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
104 PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
105 PROPERTY_ENTRY_STRING("firmware-name",
106 "gsl1680-gp-electronic-t701.fw"),
107 { }
108};
109
110static const struct silead_ts_dmi_data gp_electronic_t701_data = {
111 .acpi_name = "MSSL1680:00",
112 .properties = gp_electronic_t701_props,
113};
114
115static const struct property_entry pipo_w2s_props[] = {
116 PROPERTY_ENTRY_U32("touchscreen-size-x", 1660),
117 PROPERTY_ENTRY_U32("touchscreen-size-y", 880),
118 PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
119 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
120 PROPERTY_ENTRY_STRING("firmware-name",
121 "gsl1680-pipo-w2s.fw"),
122 { }
123};
124
125static const struct silead_ts_dmi_data pipo_w2s_data = {
126 .acpi_name = "MSSL1680:00",
127 .properties = pipo_w2s_props,
128};
129
130static const struct property_entry pov_mobii_wintab_p800w_props[] = {
131 PROPERTY_ENTRY_U32("touchscreen-size-x", 1800),
132 PROPERTY_ENTRY_U32("touchscreen-size-y", 1150),
133 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
134 PROPERTY_ENTRY_STRING("firmware-name",
135 "gsl3692-pov-mobii-wintab-p800w.fw"),
136 PROPERTY_ENTRY_BOOL("silead,home-button"),
137 { }
138};
139
140static const struct silead_ts_dmi_data pov_mobii_wintab_p800w_data = {
141 .acpi_name = "MSSL1680:00",
142 .properties = pov_mobii_wintab_p800w_props,
143};
144
145static const struct property_entry itworks_tw891_props[] = {
146 PROPERTY_ENTRY_U32("touchscreen-size-x", 1600),
147 PROPERTY_ENTRY_U32("touchscreen-size-y", 890),
148 PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
149 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
150 PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-itworks-tw891.fw"),
151 { }
152};
153
154static const struct silead_ts_dmi_data itworks_tw891_data = {
155 .acpi_name = "MSSL1680:00",
156 .properties = itworks_tw891_props,
157};
158
159static const struct property_entry chuwi_hi8_pro_props[] = {
160 PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
161 PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
162 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
163 PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-hi8-pro.fw"),
164 PROPERTY_ENTRY_BOOL("silead,home-button"),
165 { }
166};
167
168static const struct silead_ts_dmi_data chuwi_hi8_pro_data = {
169 .acpi_name = "MSSL1680:00",
170 .properties = chuwi_hi8_pro_props,
171};
172
173static const struct property_entry digma_citi_e200_props[] = {
174 PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
175 PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
176 PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
177 PROPERTY_ENTRY_STRING("firmware-name",
178 "gsl1686-digma_citi_e200.fw"),
179 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
180 PROPERTY_ENTRY_BOOL("silead,home-button"),
181 { }
182};
183
184static const struct silead_ts_dmi_data digma_citi_e200_data = {
185 .acpi_name = "MSSL1680:00",
186 .properties = digma_citi_e200_props,
187};
188
189static const struct property_entry onda_obook_20_plus_props[] = {
190 PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
191 PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
192 PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
193 PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
194 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
195 PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-onda-obook-20-plus.fw"),
196 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
197 PROPERTY_ENTRY_BOOL("silead,home-button"),
198 { }
199};
200
201static const struct silead_ts_dmi_data onda_obook_20_plus_data = {
202 .acpi_name = "MSSL1680:00",
203 .properties = onda_obook_20_plus_props,
204};
205
206static const struct property_entry chuwi_hi8_props[] = {
207 PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
208 PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
209 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
210 PROPERTY_ENTRY_BOOL("silead,home-button"),
211 PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"),
212 { }
213};
214
215static const struct silead_ts_dmi_data chuwi_hi8_data = {
216 .acpi_name = "MSSL0001:00",
217 .properties = chuwi_hi8_props,
218};
219
220static const struct property_entry chuwi_vi8_props[] = {
221 PROPERTY_ENTRY_U32("touchscreen-size-x", 1724),
222 PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
223 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
224 PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-chuwi-vi8.fw"),
225 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
226 PROPERTY_ENTRY_BOOL("silead,home-button"),
227 { }
228};
229
230static const struct silead_ts_dmi_data chuwi_vi8_data = {
231 .acpi_name = "MSSL1680:00",
232 .properties = chuwi_vi8_props,
233};
234
235static const struct property_entry trekstor_primebook_c13_props[] = {
236 PROPERTY_ENTRY_U32("touchscreen-size-x", 2624),
237 PROPERTY_ENTRY_U32("touchscreen-size-y", 1920),
238 PROPERTY_ENTRY_STRING("firmware-name",
239 "gsl1680-trekstor-primebook-c13.fw"),
240 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
241 PROPERTY_ENTRY_BOOL("silead,home-button"),
242 { }
243};
244
245static const struct silead_ts_dmi_data trekstor_primebook_c13_data = {
246 .acpi_name = "MSSL1680:00",
247 .properties = trekstor_primebook_c13_props,
248};
249
250static const struct property_entry teclast_x98plus2_props[] = {
251 PROPERTY_ENTRY_U32("touchscreen-size-x", 2048),
252 PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
253 PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
254 PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
255 PROPERTY_ENTRY_STRING("firmware-name",
256 "gsl1686-teclast_x98plus2.fw"),
257 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
258 { }
259};
260
261static const struct silead_ts_dmi_data teclast_x98plus2_data = {
262 .acpi_name = "MSSL1680:00",
263 .properties = teclast_x98plus2_props,
264};
265
266static const struct property_entry teclast_x3_plus_props[] = {
267 PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
268 PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
269 PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-teclast-x3-plus.fw"),
270 PROPERTY_ENTRY_U32("silead,max-fingers", 10),
271 PROPERTY_ENTRY_BOOL("silead,home-button"),
272 { }
273};
274
275static const struct silead_ts_dmi_data teclast_x3_plus_data = {
276 .acpi_name = "MSSL1680:00",
277 .properties = teclast_x3_plus_props,
278};
279
280static const struct dmi_system_id silead_ts_dmi_table[] = {
281 {
282 /* CUBE iwork8 Air */
283 .driver_data = (void *)&cube_iwork8_air_data,
284 .matches = {
285 DMI_MATCH(DMI_SYS_VENDOR, "cube"),
286 DMI_MATCH(DMI_PRODUCT_NAME, "i1-TF"),
287 DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
288 },
289 },
290 {
291 /* Jumper EZpad mini3 */
292 .driver_data = (void *)&jumper_ezpad_mini3_data,
293 .matches = {
294 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
295 /* jumperx.T87.KFBNEEA02 with the version-nr dropped */
296 DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
297 },
298 },
299 {
300 /* DEXP Ursus 7W */
301 .driver_data = (void *)&dexp_ursus_7w_data,
302 .matches = {
303 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
304 DMI_MATCH(DMI_PRODUCT_NAME, "7W"),
305 },
306 },
307 {
308 /* TrekStor SurfTab twin 10.1 ST10432-8 */
309 .driver_data = (void *)&surftab_twin_10_1_st10432_8_data,
310 .matches = {
311 DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
312 DMI_MATCH(DMI_PRODUCT_NAME, "SurfTab twin 10.1"),
313 },
314 },
315 {
316 /* Trekstor Surftab Wintron 7.0 ST70416-6 */
317 .driver_data = (void *)&surftab_wintron70_st70416_6_data,
318 .matches = {
319 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
320 DMI_MATCH(DMI_PRODUCT_NAME, "ST70416-6"),
321 /* Exact match, different versions need different fw */
322 DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA04"),
323 },
324 },
325 {
326 /* Trekstor Surftab Wintron 7.0 ST70416-6, newer BIOS */
327 .driver_data = (void *)&surftab_wintron70_st70416_6_data,
328 .matches = {
329 DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
330 DMI_MATCH(DMI_PRODUCT_NAME,
331 "SurfTab wintron 7.0 ST70416-6"),
332 /* Exact match, different versions need different fw */
333 DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA05"),
334 },
335 },
336 {
337 /* Ployer Momo7w (same hardware as the Trekstor ST70416-6) */
338 .driver_data = (void *)&surftab_wintron70_st70416_6_data,
339 .matches = {
340 DMI_MATCH(DMI_SYS_VENDOR, "Shenzhen PLOYER"),
341 DMI_MATCH(DMI_PRODUCT_NAME, "MOMO7W"),
342 /* Exact match, different versions need different fw */
343 DMI_MATCH(DMI_BIOS_VERSION, "MOMO.G.WI71C.MABMRBA02"),
344 },
345 },
346 {
347 /* GP-electronic T701 */
348 .driver_data = (void *)&gp_electronic_t701_data,
349 .matches = {
350 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
351 DMI_MATCH(DMI_PRODUCT_NAME, "T701"),
352 DMI_MATCH(DMI_BIOS_VERSION, "BYT70A.YNCHENG.WIN.007"),
353 },
354 },
355 {
356 /* Pipo W2S */
357 .driver_data = (void *)&pipo_w2s_data,
358 .matches = {
359 DMI_MATCH(DMI_SYS_VENDOR, "PIPO"),
360 DMI_MATCH(DMI_PRODUCT_NAME, "W2S"),
361 },
362 },
363 {
364 /* Point of View mobii wintab p800w */
365 .driver_data = (void *)&pov_mobii_wintab_p800w_data,
366 .matches = {
367 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
368 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
369 DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
370 /* Above matches are too generic, add bios-date match */
371 DMI_MATCH(DMI_BIOS_DATE, "08/22/2014"),
372 },
373 },
374 {
375 /* I.T.Works TW891 */
376 .driver_data = (void *)&itworks_tw891_data,
377 .matches = {
378 DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
379 DMI_MATCH(DMI_PRODUCT_NAME, "TW891"),
380 },
381 },
382 {
383 /* Chuwi Hi8 Pro */
384 .driver_data = (void *)&chuwi_hi8_pro_data,
385 .matches = {
386 DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
387 DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
388 },
389 },
390 {
391 /* Digma Citi E200 */
392 .driver_data = (void *)&digma_citi_e200_data,
393 .matches = {
394 DMI_MATCH(DMI_SYS_VENDOR, "Digma"),
395 DMI_MATCH(DMI_PRODUCT_NAME, "CITI E200"),
396 DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
397 },
398 },
399 {
400 /* Onda oBook 20 Plus */
401 .driver_data = (void *)&onda_obook_20_plus_data,
402 .matches = {
403 DMI_MATCH(DMI_SYS_VENDOR, "ONDA"),
404 DMI_MATCH(DMI_PRODUCT_NAME, "OBOOK 20 PLUS"),
405 },
406 },
407 {
408 /* Chuwi Hi8 */
409 .driver_data = (void *)&chuwi_hi8_data,
410 .matches = {
411 DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
412 DMI_MATCH(DMI_PRODUCT_NAME, "S806"),
413 },
414 },
415 {
416 /* Chuwi Vi8 (CWI506) */
417 .driver_data = (void *)&chuwi_vi8_data,
418 .matches = {
419 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
420 DMI_MATCH(DMI_PRODUCT_NAME, "i86"),
421 DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
422 },
423 },
424 {
425 /* Trekstor Primebook C13 */
426 .driver_data = (void *)&trekstor_primebook_c13_data,
427 .matches = {
428 DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
429 DMI_MATCH(DMI_PRODUCT_NAME, "Primebook C13"),
430 },
431 },
432 {
433 /* Teclast X98 Plus II */
434 .driver_data = (void *)&teclast_x98plus2_data,
435 .matches = {
436 DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
437 DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
438 },
439 },
440 {
441 /* Teclast X3 Plus */
442 .driver_data = (void *)&teclast_x3_plus_data,
443 .matches = {
444 DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "X3 Plus"),
446 DMI_MATCH(DMI_BOARD_NAME, "X3 Plus"),
447 },
448 },
449 {
450 /* I.T.Works TW701 */
451 .driver_data = (void *)&surftab_wintron70_st70416_6_data,
452 .matches = {
453 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
454 DMI_MATCH(DMI_PRODUCT_NAME, "i71c"),
455 DMI_MATCH(DMI_BIOS_VERSION, "itWORKS.G.WI71C.JGBMRB"),
456 },
457 },
458 {
459 /* Yours Y8W81, same case and touchscreen as Chuwi Vi8 */
460 .driver_data = (void *)&chuwi_vi8_data,
461 .matches = {
462 DMI_MATCH(DMI_SYS_VENDOR, "YOURS"),
463 DMI_MATCH(DMI_PRODUCT_NAME, "Y8W81"),
464 },
465 },
466 { },
467};
468
469static const struct silead_ts_dmi_data *silead_ts_data;
470
471static void silead_ts_dmi_add_props(struct i2c_client *client)
472{
473 struct device *dev = &client->dev;
474 int error;
475
476 if (has_acpi_companion(dev) &&
477 !strncmp(silead_ts_data->acpi_name, client->name, I2C_NAME_SIZE)) {
478 error = device_add_properties(dev, silead_ts_data->properties);
479 if (error)
480 dev_err(dev, "failed to add properties: %d\n", error);
481 }
482}
483
484static int silead_ts_dmi_notifier_call(struct notifier_block *nb,
485 unsigned long action, void *data)
486{
487 struct device *dev = data;
488 struct i2c_client *client;
489
490 switch (action) {
491 case BUS_NOTIFY_ADD_DEVICE:
492 client = i2c_verify_client(dev);
493 if (client)
494 silead_ts_dmi_add_props(client);
495 break;
496
497 default:
498 break;
499 }
500
501 return 0;
502}
503
504static struct notifier_block silead_ts_dmi_notifier = {
505 .notifier_call = silead_ts_dmi_notifier_call,
506};
507
508static int __init silead_ts_dmi_init(void)
509{
510 const struct dmi_system_id *dmi_id;
511 int error;
512
513 dmi_id = dmi_first_match(silead_ts_dmi_table);
514 if (!dmi_id)
515 return 0; /* Not an error */
516
517 silead_ts_data = dmi_id->driver_data;
518
519 error = bus_register_notifier(&i2c_bus_type, &silead_ts_dmi_notifier);
520 if (error)
521 pr_err("%s: failed to register i2c bus notifier: %d\n",
522 __func__, error);
523
524 return error;
525}
526
527/*
528 * We are registering out notifier after i2c core is initialized and i2c bus
529 * itself is ready (which happens at postcore initcall level), but before
530 * ACPI starts enumerating devices (at subsys initcall level).
531 */
532arch_initcall(silead_ts_dmi_init);