Commit | Line | Data |
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5519cab4 BT |
1 | /* |
2 | * HID driver for multitouch panels | |
3 | * | |
c2ef8f21 | 4 | * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> |
b0a78681 | 5 | * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com> |
c2ef8f21 | 6 | * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France |
b0a78681 | 7 | * Copyright (c) 2012-2013 Red Hat, Inc |
5519cab4 | 8 | * |
4875ac11 RN |
9 | * This code is partly based on hid-egalax.c: |
10 | * | |
11 | * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> | |
12 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> | |
13 | * Copyright (c) 2010 Canonical, Ltd. | |
14 | * | |
f786bba4 BT |
15 | * This code is partly based on hid-3m-pct.c: |
16 | * | |
17 | * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> | |
18 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> | |
19 | * Copyright (c) 2010 Canonical, Ltd. | |
20 | * | |
5519cab4 BT |
21 | */ |
22 | ||
23 | /* | |
24 | * This program is free software; you can redistribute it and/or modify it | |
25 | * under the terms of the GNU General Public License as published by the Free | |
26 | * Software Foundation; either version 2 of the License, or (at your option) | |
27 | * any later version. | |
28 | */ | |
29 | ||
b0a78681 BT |
30 | /* |
31 | * This driver is regularly tested thanks to the tool hid-test[1]. | |
32 | * This tool relies on hid-replay[2] and a database of hid devices[3]. | |
33 | * Please run these regression tests before patching this module so that | |
34 | * your patch won't break existing known devices. | |
35 | * | |
36 | * [1] https://github.com/bentiss/hid-test | |
37 | * [2] https://github.com/bentiss/hid-replay | |
38 | * [3] https://github.com/bentiss/hid-devices | |
39 | */ | |
40 | ||
5519cab4 BT |
41 | #include <linux/device.h> |
42 | #include <linux/hid.h> | |
43 | #include <linux/module.h> | |
44 | #include <linux/slab.h> | |
5519cab4 | 45 | #include <linux/input/mt.h> |
49a5a827 | 46 | #include <linux/string.h> |
5519cab4 BT |
47 | |
48 | ||
49 | MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); | |
ef2fafb3 | 50 | MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); |
5519cab4 BT |
51 | MODULE_DESCRIPTION("HID multitouch panels"); |
52 | MODULE_LICENSE("GPL"); | |
53 | ||
54 | #include "hid-ids.h" | |
55 | ||
56 | /* quirks to control the device */ | |
57 | #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0) | |
58 | #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1) | |
2d93666e | 59 | #define MT_QUIRK_CYPRESS (1 << 2) |
5572da08 | 60 | #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3) |
a062cc5a SC |
61 | #define MT_QUIRK_ALWAYS_VALID (1 << 4) |
62 | #define MT_QUIRK_VALID_IS_INRANGE (1 << 5) | |
63 | #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6) | |
6dd2e27a | 64 | #define MT_QUIRK_CONFIDENCE (1 << 7) |
a062cc5a | 65 | #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8) |
77723e3b | 66 | #define MT_QUIRK_NO_AREA (1 << 9) |
28728399 | 67 | #define MT_QUIRK_IGNORE_DUPLICATES (1 << 10) |
9b3bb9b8 | 68 | #define MT_QUIRK_HOVERING (1 << 11) |
c2517f62 | 69 | #define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12) |
da10bc25 | 70 | #define MT_QUIRK_FORCE_GET_FEATURE (1 << 13) |
5519cab4 | 71 | |
9abebedb AD |
72 | #define MT_INPUTMODE_TOUCHSCREEN 0x02 |
73 | #define MT_INPUTMODE_TOUCHPAD 0x03 | |
74 | ||
2c6e0277 SF |
75 | #define MT_BUTTONTYPE_CLICKPAD 0 |
76 | ||
5519cab4 | 77 | struct mt_slot { |
349fd670 | 78 | __s32 x, y, cx, cy, p, w, h; |
5519cab4 BT |
79 | __s32 contactid; /* the device ContactID assigned to this slot */ |
80 | bool touch_state; /* is the touch valid? */ | |
9b3bb9b8 | 81 | bool inrange_state; /* is the finger in proximity of the sensor? */ |
6dd2e27a | 82 | bool confidence_state; /* is the touch made by a finger? */ |
5519cab4 BT |
83 | }; |
84 | ||
eec29e3d BT |
85 | struct mt_class { |
86 | __s32 name; /* MT_CLS */ | |
87 | __s32 quirks; | |
88 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
89 | __s32 sn_width; /* Signal/noise ratio for width events */ | |
90 | __s32 sn_height; /* Signal/noise ratio for height events */ | |
91 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
92 | __u8 maxcontacts; | |
c2ef8f21 | 93 | bool is_indirect; /* true for touchpads */ |
6aef704e | 94 | bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ |
eec29e3d BT |
95 | }; |
96 | ||
3ac36d15 BT |
97 | struct mt_fields { |
98 | unsigned usages[HID_MAX_FIELDS]; | |
99 | unsigned int length; | |
100 | }; | |
101 | ||
5519cab4 BT |
102 | struct mt_device { |
103 | struct mt_slot curdata; /* placeholder of incoming data */ | |
eec29e3d | 104 | struct mt_class mtclass; /* our mt device class */ |
3ac36d15 BT |
105 | struct mt_fields *fields; /* temporary placeholder for storing the |
106 | multitouch fields */ | |
7e3cc447 BT |
107 | int cc_index; /* contact count field index in the report */ |
108 | int cc_value_index; /* contact count value index in the field */ | |
5519cab4 | 109 | unsigned last_slot_field; /* the last field of a slot */ |
55978fa9 | 110 | unsigned mt_report_id; /* the report ID of the multitouch device */ |
8821f5dc BT |
111 | __s16 inputmode; /* InputMode HID feature, -1 if non-existent */ |
112 | __s16 inputmode_index; /* InputMode HID feature index in the report */ | |
113 | __s16 maxcontact_report_id; /* Maximum Contact Number HID feature, | |
31ae9bdd | 114 | -1 if non-existent */ |
9abebedb | 115 | __u8 inputmode_value; /* InputMode HID feature value */ |
5519cab4 BT |
116 | __u8 num_received; /* how many contacts we received */ |
117 | __u8 num_expected; /* expected last contact index */ | |
9498f954 | 118 | __u8 maxcontacts; |
9e87f22a BT |
119 | __u8 touches_by_report; /* how many touches are present in one report: |
120 | * 1 means we should use a serial protocol | |
121 | * > 1 means hybrid (multitouch) protocol */ | |
015fdaa9 | 122 | __u8 buttons_count; /* number of physical buttons per touchpad */ |
2c6e0277 | 123 | bool is_buttonpad; /* is this device a button pad? */ |
76f5902a | 124 | bool serial_maybe; /* need to check for serial protocol */ |
5519cab4 | 125 | bool curvalid; /* is the current contact valid? */ |
76f5902a | 126 | unsigned mt_flags; /* flags to pass to input-mt */ |
5519cab4 BT |
127 | }; |
128 | ||
a69c5f8b BT |
129 | static void mt_post_parse_default_settings(struct mt_device *td); |
130 | static void mt_post_parse(struct mt_device *td); | |
131 | ||
5519cab4 | 132 | /* classes of device behavior */ |
22408283 BT |
133 | #define MT_CLS_DEFAULT 0x0001 |
134 | ||
a062cc5a SC |
135 | #define MT_CLS_SERIAL 0x0002 |
136 | #define MT_CLS_CONFIDENCE 0x0003 | |
5e7ea11f BT |
137 | #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
138 | #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 | |
139 | #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 | |
140 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 | |
0fa9c616 | 141 | /* reserved 0x0008 */ |
b7ea95ff | 142 | #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
dc3e1d80 | 143 | #define MT_CLS_NSMU 0x000a |
0fa9c616 BT |
144 | /* reserved 0x0010 */ |
145 | /* reserved 0x0011 */ | |
f961bd35 | 146 | #define MT_CLS_WIN_8 0x0012 |
6aef704e | 147 | #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 |
22408283 BT |
148 | |
149 | /* vendor specific classes */ | |
150 | #define MT_CLS_3M 0x0101 | |
0fa9c616 | 151 | /* reserved 0x0102 */ |
22408283 | 152 | #define MT_CLS_EGALAX 0x0103 |
1b723e8d | 153 | #define MT_CLS_EGALAX_SERIAL 0x0104 |
847672cd | 154 | #define MT_CLS_TOPSEED 0x0105 |
2258e863 | 155 | #define MT_CLS_PANASONIC 0x0106 |
77723e3b | 156 | #define MT_CLS_FLATFROG 0x0107 |
cdcd3ac4 JK |
157 | #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
158 | #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 | |
da10bc25 | 159 | #define MT_CLS_VTL 0x0110 |
5519cab4 | 160 | |
9498f954 | 161 | #define MT_DEFAULT_MAXCONTACT 10 |
afbcb04c | 162 | #define MT_MAX_MAXCONTACT 250 |
9498f954 | 163 | |
2c2110e9 HR |
164 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
165 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) | |
166 | ||
5519cab4 BT |
167 | /* |
168 | * these device-dependent functions determine what slot corresponds | |
169 | * to a valid contact that was just read. | |
170 | */ | |
171 | ||
a3b5e577 BT |
172 | static int cypress_compute_slot(struct mt_device *td) |
173 | { | |
174 | if (td->curdata.contactid != 0 || td->num_received == 0) | |
175 | return td->curdata.contactid; | |
176 | else | |
177 | return -1; | |
178 | } | |
179 | ||
b3c21d2c | 180 | static struct mt_class mt_classes[] = { |
2d93666e | 181 | { .name = MT_CLS_DEFAULT, |
dc3e1d80 BT |
182 | .quirks = MT_QUIRK_ALWAYS_VALID | |
183 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
184 | { .name = MT_CLS_NSMU, | |
9498f954 | 185 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
a062cc5a SC |
186 | { .name = MT_CLS_SERIAL, |
187 | .quirks = MT_QUIRK_ALWAYS_VALID}, | |
22408283 BT |
188 | { .name = MT_CLS_CONFIDENCE, |
189 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, | |
5e7ea11f BT |
190 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
191 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
192 | MT_QUIRK_SLOT_IS_CONTACTID }, | |
22408283 BT |
193 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
194 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
195 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, | |
1e9cf35b | 196 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
197 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
198 | MT_QUIRK_SLOT_IS_CONTACTID, | |
199 | .maxcontacts = 2 }, | |
1e9cf35b | 200 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
201 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
202 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
203 | .maxcontacts = 2 }, | |
b7ea95ff AT |
204 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
205 | .quirks = MT_QUIRK_VALID_IS_INRANGE | | |
206 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, | |
f961bd35 BT |
207 | { .name = MT_CLS_WIN_8, |
208 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
209 | MT_QUIRK_IGNORE_DUPLICATES | | |
210 | MT_QUIRK_HOVERING | | |
211 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
6aef704e BT |
212 | { .name = MT_CLS_EXPORT_ALL_INPUTS, |
213 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
214 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
215 | .export_all_inputs = true }, | |
22408283 BT |
216 | |
217 | /* | |
218 | * vendor specific classes | |
219 | */ | |
220 | { .name = MT_CLS_3M, | |
221 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
222 | MT_QUIRK_SLOT_IS_CONTACTID, | |
223 | .sn_move = 2048, | |
224 | .sn_width = 128, | |
c5d40be5 HR |
225 | .sn_height = 128, |
226 | .maxcontacts = 60, | |
227 | }, | |
4875ac11 RN |
228 | { .name = MT_CLS_EGALAX, |
229 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
2261bb9f | 230 | MT_QUIRK_VALID_IS_INRANGE, |
4875ac11 RN |
231 | .sn_move = 4096, |
232 | .sn_pressure = 32, | |
233 | }, | |
1b723e8d BT |
234 | { .name = MT_CLS_EGALAX_SERIAL, |
235 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
236 | MT_QUIRK_ALWAYS_VALID, | |
4875ac11 RN |
237 | .sn_move = 4096, |
238 | .sn_pressure = 32, | |
239 | }, | |
847672cd BT |
240 | { .name = MT_CLS_TOPSEED, |
241 | .quirks = MT_QUIRK_ALWAYS_VALID, | |
242 | .is_indirect = true, | |
243 | .maxcontacts = 2, | |
244 | }, | |
2258e863 DK |
245 | { .name = MT_CLS_PANASONIC, |
246 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, | |
247 | .maxcontacts = 4 }, | |
f5ff4e1e XY |
248 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
249 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
250 | MT_QUIRK_VALID_IS_INRANGE | | |
7b226292 | 251 | MT_QUIRK_SLOT_IS_CONTACTID, |
f5ff4e1e XY |
252 | .maxcontacts = 2 |
253 | }, | |
254 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
255 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
7b226292 | 256 | MT_QUIRK_SLOT_IS_CONTACTID |
f5ff4e1e | 257 | }, |
043b403a | 258 | |
77723e3b HR |
259 | { .name = MT_CLS_FLATFROG, |
260 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
261 | MT_QUIRK_NO_AREA, | |
262 | .sn_move = 2048, | |
263 | .maxcontacts = 40, | |
264 | }, | |
da10bc25 MM |
265 | { .name = MT_CLS_VTL, |
266 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
267 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
268 | MT_QUIRK_FORCE_GET_FEATURE, | |
269 | }, | |
2d93666e | 270 | { } |
5519cab4 BT |
271 | }; |
272 | ||
eec29e3d BT |
273 | static ssize_t mt_show_quirks(struct device *dev, |
274 | struct device_attribute *attr, | |
275 | char *buf) | |
276 | { | |
ee79a8f8 | 277 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
278 | struct mt_device *td = hid_get_drvdata(hdev); |
279 | ||
280 | return sprintf(buf, "%u\n", td->mtclass.quirks); | |
281 | } | |
282 | ||
283 | static ssize_t mt_set_quirks(struct device *dev, | |
284 | struct device_attribute *attr, | |
285 | const char *buf, size_t count) | |
286 | { | |
ee79a8f8 | 287 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
288 | struct mt_device *td = hid_get_drvdata(hdev); |
289 | ||
290 | unsigned long val; | |
291 | ||
292 | if (kstrtoul(buf, 0, &val)) | |
293 | return -EINVAL; | |
294 | ||
295 | td->mtclass.quirks = val; | |
296 | ||
7e3cc447 | 297 | if (td->cc_index < 0) |
c2517f62 BT |
298 | td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
299 | ||
eec29e3d BT |
300 | return count; |
301 | } | |
302 | ||
303 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); | |
304 | ||
305 | static struct attribute *sysfs_attrs[] = { | |
306 | &dev_attr_quirks.attr, | |
307 | NULL | |
308 | }; | |
309 | ||
310 | static struct attribute_group mt_attribute_group = { | |
311 | .attrs = sysfs_attrs | |
312 | }; | |
313 | ||
6d4f5440 MW |
314 | static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) |
315 | { | |
316 | struct mt_device *td = hid_get_drvdata(hdev); | |
317 | int ret, size = hid_report_len(report); | |
318 | u8 *buf; | |
319 | ||
320 | /* | |
321 | * Only fetch the feature report if initial reports are not already | |
322 | * been retrieved. Currently this is only done for Windows 8 touch | |
323 | * devices. | |
324 | */ | |
325 | if (!(hdev->quirks & HID_QUIRK_NO_INIT_REPORTS)) | |
326 | return; | |
327 | if (td->mtclass.name != MT_CLS_WIN_8) | |
328 | return; | |
329 | ||
330 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
331 | if (!buf) | |
332 | return; | |
333 | ||
334 | ret = hid_hw_raw_request(hdev, report->id, buf, size, | |
335 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
336 | if (ret < 0) { | |
337 | dev_warn(&hdev->dev, "failed to fetch feature %d\n", | |
338 | report->id); | |
339 | } else { | |
340 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, | |
341 | size, 0); | |
342 | if (ret) | |
343 | dev_warn(&hdev->dev, "failed to report feature\n"); | |
344 | } | |
345 | ||
346 | kfree(buf); | |
347 | } | |
348 | ||
f635bd11 | 349 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
350 | struct hid_field *field, struct hid_usage *usage) |
351 | { | |
9498f954 BT |
352 | struct mt_device *td = hid_get_drvdata(hdev); |
353 | ||
354 | switch (usage->hid) { | |
355 | case HID_DG_INPUTMODE: | |
8821f5dc BT |
356 | /* Ignore if value index is out of bounds. */ |
357 | if (usage->usage_index >= field->report_count) { | |
358 | dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); | |
359 | break; | |
4aceed37 BT |
360 | } |
361 | ||
73e7d63e BT |
362 | if (td->inputmode < 0) { |
363 | td->inputmode = field->report->id; | |
364 | td->inputmode_index = usage->usage_index; | |
365 | } else { | |
366 | /* | |
367 | * Some elan panels wrongly declare 2 input mode | |
368 | * features, and silently ignore when we set the | |
369 | * value in the second field. Skip the second feature | |
370 | * and hope for the best. | |
371 | */ | |
372 | dev_info(&hdev->dev, | |
373 | "Ignoring the extra HID_DG_INPUTMODE\n"); | |
374 | } | |
8821f5dc | 375 | |
9498f954 BT |
376 | break; |
377 | case HID_DG_CONTACTMAX: | |
6d4f5440 MW |
378 | mt_get_feature(hdev, field->report); |
379 | ||
31ae9bdd | 380 | td->maxcontact_report_id = field->report->id; |
9498f954 | 381 | td->maxcontacts = field->value[0]; |
afbcb04c BT |
382 | if (!td->maxcontacts && |
383 | field->logical_maximum <= MT_MAX_MAXCONTACT) | |
384 | td->maxcontacts = field->logical_maximum; | |
eec29e3d | 385 | if (td->mtclass.maxcontacts) |
9498f954 | 386 | /* check if the maxcontacts is given by the class */ |
eec29e3d | 387 | td->maxcontacts = td->mtclass.maxcontacts; |
9498f954 | 388 | |
2c6e0277 SF |
389 | break; |
390 | case HID_DG_BUTTONTYPE: | |
391 | if (usage->usage_index >= field->report_count) { | |
392 | dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); | |
393 | break; | |
394 | } | |
395 | ||
6d4f5440 | 396 | mt_get_feature(hdev, field->report); |
2c6e0277 SF |
397 | if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) |
398 | td->is_buttonpad = true; | |
399 | ||
9498f954 | 400 | break; |
45c5c682 BT |
401 | case 0xff0000c5: |
402 | /* Retrieve the Win8 blob once to enable some devices */ | |
403 | if (usage->usage_index == 0) | |
404 | mt_get_feature(hdev, field->report); | |
405 | break; | |
5519cab4 BT |
406 | } |
407 | } | |
408 | ||
409 | static void set_abs(struct input_dev *input, unsigned int code, | |
410 | struct hid_field *field, int snratio) | |
411 | { | |
412 | int fmin = field->logical_minimum; | |
413 | int fmax = field->logical_maximum; | |
414 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
415 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
37cf6e6f | 416 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
5519cab4 BT |
417 | } |
418 | ||
3ac36d15 | 419 | static void mt_store_field(struct hid_usage *usage, struct mt_device *td, |
ed9d5c96 BT |
420 | struct hid_input *hi) |
421 | { | |
3ac36d15 BT |
422 | struct mt_fields *f = td->fields; |
423 | ||
424 | if (f->length >= HID_MAX_FIELDS) | |
425 | return; | |
426 | ||
427 | f->usages[f->length++] = usage->hid; | |
ed9d5c96 BT |
428 | } |
429 | ||
a69c5f8b | 430 | static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 BT |
431 | struct hid_field *field, struct hid_usage *usage, |
432 | unsigned long **bit, int *max) | |
433 | { | |
434 | struct mt_device *td = hid_get_drvdata(hdev); | |
eec29e3d | 435 | struct mt_class *cls = &td->mtclass; |
c2ef8f21 | 436 | int code; |
349fd670 | 437 | struct hid_usage *prev_usage = NULL; |
4875ac11 | 438 | |
658d4aed | 439 | if (field->application == HID_DG_TOUCHSCREEN) |
76f5902a | 440 | td->mt_flags |= INPUT_MT_DIRECT; |
658d4aed | 441 | |
76f5902a HR |
442 | /* |
443 | * Model touchscreens providing buttons as touchpads. | |
c2ef8f21 BT |
444 | */ |
445 | if (field->application == HID_DG_TOUCHPAD || | |
9abebedb | 446 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
76f5902a | 447 | td->mt_flags |= INPUT_MT_POINTER; |
9abebedb AD |
448 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
449 | } | |
c2ef8f21 | 450 | |
015fdaa9 BT |
451 | /* count the buttons on touchpads */ |
452 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
453 | td->buttons_count++; | |
454 | ||
349fd670 BT |
455 | if (usage->usage_index) |
456 | prev_usage = &field->usage[usage->usage_index - 1]; | |
457 | ||
5519cab4 BT |
458 | switch (usage->hid & HID_USAGE_PAGE) { |
459 | ||
460 | case HID_UP_GENDESK: | |
461 | switch (usage->hid) { | |
462 | case HID_GD_X: | |
349fd670 BT |
463 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
464 | hid_map_usage(hi, usage, bit, max, | |
465 | EV_ABS, ABS_MT_TOOL_X); | |
466 | set_abs(hi->input, ABS_MT_TOOL_X, field, | |
467 | cls->sn_move); | |
468 | } else { | |
469 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 470 | EV_ABS, ABS_MT_POSITION_X); |
349fd670 BT |
471 | set_abs(hi->input, ABS_MT_POSITION_X, field, |
472 | cls->sn_move); | |
473 | } | |
474 | ||
3ac36d15 | 475 | mt_store_field(usage, td, hi); |
5519cab4 BT |
476 | return 1; |
477 | case HID_GD_Y: | |
349fd670 BT |
478 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
479 | hid_map_usage(hi, usage, bit, max, | |
480 | EV_ABS, ABS_MT_TOOL_Y); | |
481 | set_abs(hi->input, ABS_MT_TOOL_Y, field, | |
482 | cls->sn_move); | |
483 | } else { | |
484 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 485 | EV_ABS, ABS_MT_POSITION_Y); |
349fd670 BT |
486 | set_abs(hi->input, ABS_MT_POSITION_Y, field, |
487 | cls->sn_move); | |
488 | } | |
489 | ||
3ac36d15 | 490 | mt_store_field(usage, td, hi); |
5519cab4 BT |
491 | return 1; |
492 | } | |
493 | return 0; | |
494 | ||
495 | case HID_UP_DIGITIZER: | |
496 | switch (usage->hid) { | |
497 | case HID_DG_INRANGE: | |
9b3bb9b8 BT |
498 | if (cls->quirks & MT_QUIRK_HOVERING) { |
499 | hid_map_usage(hi, usage, bit, max, | |
500 | EV_ABS, ABS_MT_DISTANCE); | |
501 | input_set_abs_params(hi->input, | |
502 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
503 | } | |
3ac36d15 | 504 | mt_store_field(usage, td, hi); |
5519cab4 BT |
505 | return 1; |
506 | case HID_DG_CONFIDENCE: | |
6dd2e27a AH |
507 | if (cls->name == MT_CLS_WIN_8 && |
508 | field->application == HID_DG_TOUCHPAD) | |
509 | cls->quirks |= MT_QUIRK_CONFIDENCE; | |
3ac36d15 | 510 | mt_store_field(usage, td, hi); |
5519cab4 BT |
511 | return 1; |
512 | case HID_DG_TIPSWITCH: | |
513 | hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); | |
514 | input_set_capability(hi->input, EV_KEY, BTN_TOUCH); | |
3ac36d15 | 515 | mt_store_field(usage, td, hi); |
5519cab4 BT |
516 | return 1; |
517 | case HID_DG_CONTACTID: | |
3ac36d15 | 518 | mt_store_field(usage, td, hi); |
9e87f22a | 519 | td->touches_by_report++; |
55978fa9 | 520 | td->mt_report_id = field->report->id; |
5519cab4 BT |
521 | return 1; |
522 | case HID_DG_WIDTH: | |
523 | hid_map_usage(hi, usage, bit, max, | |
524 | EV_ABS, ABS_MT_TOUCH_MAJOR); | |
77723e3b HR |
525 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) |
526 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, | |
527 | cls->sn_width); | |
3ac36d15 | 528 | mt_store_field(usage, td, hi); |
5519cab4 BT |
529 | return 1; |
530 | case HID_DG_HEIGHT: | |
531 | hid_map_usage(hi, usage, bit, max, | |
532 | EV_ABS, ABS_MT_TOUCH_MINOR); | |
77723e3b HR |
533 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) { |
534 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, | |
535 | cls->sn_height); | |
536 | input_set_abs_params(hi->input, | |
1e648a13 | 537 | ABS_MT_ORIENTATION, 0, 1, 0, 0); |
77723e3b | 538 | } |
3ac36d15 | 539 | mt_store_field(usage, td, hi); |
5519cab4 BT |
540 | return 1; |
541 | case HID_DG_TIPPRESSURE: | |
542 | hid_map_usage(hi, usage, bit, max, | |
543 | EV_ABS, ABS_MT_PRESSURE); | |
544 | set_abs(hi->input, ABS_MT_PRESSURE, field, | |
545 | cls->sn_pressure); | |
3ac36d15 | 546 | mt_store_field(usage, td, hi); |
5519cab4 BT |
547 | return 1; |
548 | case HID_DG_CONTACTCOUNT: | |
8821f5dc BT |
549 | /* Ignore if indexes are out of bounds. */ |
550 | if (field->index >= field->report->maxfield || | |
551 | usage->usage_index >= field->report_count) | |
552 | return 1; | |
7e3cc447 BT |
553 | td->cc_index = field->index; |
554 | td->cc_value_index = usage->usage_index; | |
5519cab4 BT |
555 | return 1; |
556 | case HID_DG_CONTACTMAX: | |
557 | /* we don't set td->last_slot_field as contactcount and | |
558 | * contact max are global to the report */ | |
559 | return -1; | |
c2ef8f21 BT |
560 | case HID_DG_TOUCH: |
561 | /* Legacy devices use TIPSWITCH and not TOUCH. | |
562 | * Let's just ignore this field. */ | |
563 | return -1; | |
65b258e9 | 564 | } |
5519cab4 BT |
565 | /* let hid-input decide for the others */ |
566 | return 0; | |
567 | ||
c2ef8f21 BT |
568 | case HID_UP_BUTTON: |
569 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); | |
570 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); | |
571 | input_set_capability(hi->input, EV_KEY, code); | |
572 | return 1; | |
573 | ||
5519cab4 BT |
574 | case 0xff000000: |
575 | /* we do not want to map these: no input-oriented meaning */ | |
576 | return -1; | |
577 | } | |
578 | ||
579 | return 0; | |
580 | } | |
581 | ||
a69c5f8b | 582 | static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 BT |
583 | struct hid_field *field, struct hid_usage *usage, |
584 | unsigned long **bit, int *max) | |
585 | { | |
586 | if (usage->type == EV_KEY || usage->type == EV_ABS) | |
587 | set_bit(usage->type, hi->input->evbit); | |
588 | ||
589 | return -1; | |
590 | } | |
591 | ||
3e1b5015 | 592 | static int mt_compute_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 593 | { |
eec29e3d | 594 | __s32 quirks = td->mtclass.quirks; |
5519cab4 | 595 | |
2d93666e BT |
596 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
597 | return td->curdata.contactid; | |
5519cab4 | 598 | |
2d93666e | 599 | if (quirks & MT_QUIRK_CYPRESS) |
a3b5e577 BT |
600 | return cypress_compute_slot(td); |
601 | ||
2d93666e BT |
602 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
603 | return td->num_received; | |
5572da08 | 604 | |
4a6ee685 BT |
605 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
606 | return td->curdata.contactid - 1; | |
607 | ||
3e1b5015 | 608 | return input_mt_get_slot_by_key(input, td->curdata.contactid); |
5519cab4 BT |
609 | } |
610 | ||
611 | /* | |
612 | * this function is called when a whole contact has been processed, | |
613 | * so that it can assign it to a slot and store the data there | |
614 | */ | |
3e1b5015 | 615 | static void mt_complete_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 616 | { |
c2517f62 BT |
617 | if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && |
618 | td->num_received >= td->num_expected) | |
619 | return; | |
620 | ||
20b60e6d | 621 | if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { |
6dd2e27a | 622 | int active; |
3e1b5015 HR |
623 | int slotnum = mt_compute_slot(td, input); |
624 | struct mt_slot *s = &td->curdata; | |
28728399 | 625 | struct input_mt *mt = input->mt; |
5519cab4 | 626 | |
3e1b5015 HR |
627 | if (slotnum < 0 || slotnum >= td->maxcontacts) |
628 | return; | |
5519cab4 | 629 | |
28728399 BT |
630 | if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { |
631 | struct input_mt_slot *slot = &mt->slots[slotnum]; | |
632 | if (input_mt_is_active(slot) && | |
633 | input_mt_is_used(mt, slot)) | |
634 | return; | |
635 | } | |
636 | ||
6dd2e27a AH |
637 | if (!(td->mtclass.quirks & MT_QUIRK_CONFIDENCE)) |
638 | s->confidence_state = 1; | |
639 | active = (s->touch_state || s->inrange_state) && | |
640 | s->confidence_state; | |
641 | ||
3e1b5015 | 642 | input_mt_slot(input, slotnum); |
6dd2e27a AH |
643 | input_mt_report_slot_state(input, MT_TOOL_FINGER, active); |
644 | if (active) { | |
9b3bb9b8 | 645 | /* this finger is in proximity of the sensor */ |
f786bba4 BT |
646 | int wide = (s->w > s->h); |
647 | /* divided by two to match visual scale of touch */ | |
648 | int major = max(s->w, s->h) >> 1; | |
649 | int minor = min(s->w, s->h) >> 1; | |
650 | ||
2d93666e BT |
651 | input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
652 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); | |
349fd670 BT |
653 | input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); |
654 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); | |
9b3bb9b8 BT |
655 | input_event(input, EV_ABS, ABS_MT_DISTANCE, |
656 | !s->touch_state); | |
f786bba4 | 657 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); |
2d93666e | 658 | input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
f786bba4 BT |
659 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
660 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
2d93666e | 661 | } |
5519cab4 BT |
662 | } |
663 | ||
3e1b5015 HR |
664 | td->num_received++; |
665 | } | |
666 | ||
667 | /* | |
668 | * this function is called when a whole packet has been received and processed, | |
669 | * so that it can decide what to send to the input layer. | |
670 | */ | |
671 | static void mt_sync_frame(struct mt_device *td, struct input_dev *input) | |
672 | { | |
76f5902a | 673 | input_mt_sync_frame(input); |
5519cab4 BT |
674 | input_sync(input); |
675 | td->num_received = 0; | |
676 | } | |
677 | ||
a69c5f8b | 678 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 679 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
680 | { |
681 | /* we will handle the hidinput part later, now remains hiddev */ | |
682 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
683 | hid->hiddev_hid_event(hid, field, usage, value); | |
684 | ||
685 | return 1; | |
686 | } | |
687 | ||
688 | static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, | |
689 | struct hid_usage *usage, __s32 value) | |
5519cab4 BT |
690 | { |
691 | struct mt_device *td = hid_get_drvdata(hid); | |
eec29e3d | 692 | __s32 quirks = td->mtclass.quirks; |
4c437555 | 693 | struct input_dev *input = field->hidinput->input; |
5519cab4 | 694 | |
3e1b5015 | 695 | if (hid->claimed & HID_CLAIMED_INPUT) { |
5519cab4 BT |
696 | switch (usage->hid) { |
697 | case HID_DG_INRANGE: | |
20b60e6d | 698 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
2d93666e | 699 | td->curvalid = value; |
9b3bb9b8 BT |
700 | if (quirks & MT_QUIRK_HOVERING) |
701 | td->curdata.inrange_state = value; | |
5519cab4 BT |
702 | break; |
703 | case HID_DG_TIPSWITCH: | |
2d93666e BT |
704 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
705 | td->curvalid = value; | |
5519cab4 BT |
706 | td->curdata.touch_state = value; |
707 | break; | |
708 | case HID_DG_CONFIDENCE: | |
6dd2e27a AH |
709 | if (quirks & MT_QUIRK_CONFIDENCE) |
710 | td->curdata.confidence_state = value; | |
2d93666e BT |
711 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
712 | td->curvalid = value; | |
5519cab4 BT |
713 | break; |
714 | case HID_DG_CONTACTID: | |
715 | td->curdata.contactid = value; | |
716 | break; | |
717 | case HID_DG_TIPPRESSURE: | |
718 | td->curdata.p = value; | |
719 | break; | |
720 | case HID_GD_X: | |
349fd670 BT |
721 | if (usage->code == ABS_MT_TOOL_X) |
722 | td->curdata.cx = value; | |
723 | else | |
724 | td->curdata.x = value; | |
5519cab4 BT |
725 | break; |
726 | case HID_GD_Y: | |
349fd670 BT |
727 | if (usage->code == ABS_MT_TOOL_Y) |
728 | td->curdata.cy = value; | |
729 | else | |
730 | td->curdata.y = value; | |
5519cab4 BT |
731 | break; |
732 | case HID_DG_WIDTH: | |
733 | td->curdata.w = value; | |
734 | break; | |
735 | case HID_DG_HEIGHT: | |
736 | td->curdata.h = value; | |
737 | break; | |
738 | case HID_DG_CONTACTCOUNT: | |
5519cab4 | 739 | break; |
c2ef8f21 BT |
740 | case HID_DG_TOUCH: |
741 | /* do nothing */ | |
742 | break; | |
5519cab4 BT |
743 | |
744 | default: | |
4c437555 BT |
745 | if (usage->type) |
746 | input_event(input, usage->type, usage->code, | |
747 | value); | |
55978fa9 | 748 | return; |
5519cab4 | 749 | } |
5519cab4 | 750 | |
54f4c0c3 BT |
751 | if (usage->usage_index + 1 == field->report_count) { |
752 | /* we only take into account the last report. */ | |
753 | if (usage->hid == td->last_slot_field) | |
754 | mt_complete_slot(td, field->hidinput->input); | |
54f4c0c3 | 755 | } |
5519cab4 | 756 | |
2d93666e | 757 | } |
55978fa9 | 758 | } |
5519cab4 | 759 | |
a69c5f8b | 760 | static void mt_touch_report(struct hid_device *hid, struct hid_report *report) |
55978fa9 BT |
761 | { |
762 | struct mt_device *td = hid_get_drvdata(hid); | |
763 | struct hid_field *field; | |
764 | unsigned count; | |
765 | int r, n; | |
5519cab4 | 766 | |
c2517f62 BT |
767 | /* |
768 | * Includes multi-packet support where subsequent | |
769 | * packets are sent with zero contactcount. | |
770 | */ | |
7e3cc447 BT |
771 | if (td->cc_index >= 0) { |
772 | struct hid_field *field = report->field[td->cc_index]; | |
773 | int value = field->value[td->cc_value_index]; | |
774 | if (value) | |
775 | td->num_expected = value; | |
776 | } | |
c2517f62 | 777 | |
55978fa9 BT |
778 | for (r = 0; r < report->maxfield; r++) { |
779 | field = report->field[r]; | |
780 | count = field->report_count; | |
781 | ||
782 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
783 | continue; | |
784 | ||
785 | for (n = 0; n < count; n++) | |
786 | mt_process_mt_event(hid, field, &field->usage[n], | |
787 | field->value[n]); | |
788 | } | |
5b62efd8 BT |
789 | |
790 | if (td->num_received >= td->num_expected) | |
791 | mt_sync_frame(td, report->field[0]->hidinput->input); | |
5519cab4 BT |
792 | } |
793 | ||
b2c68a2f | 794 | static int mt_touch_input_configured(struct hid_device *hdev, |
a69c5f8b BT |
795 | struct hid_input *hi) |
796 | { | |
797 | struct mt_device *td = hid_get_drvdata(hdev); | |
798 | struct mt_class *cls = &td->mtclass; | |
799 | struct input_dev *input = hi->input; | |
b2c68a2f | 800 | int ret; |
a69c5f8b BT |
801 | |
802 | if (!td->maxcontacts) | |
803 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
804 | ||
805 | mt_post_parse(td); | |
806 | if (td->serial_maybe) | |
807 | mt_post_parse_default_settings(td); | |
808 | ||
809 | if (cls->is_indirect) | |
810 | td->mt_flags |= INPUT_MT_POINTER; | |
811 | ||
812 | if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
813 | td->mt_flags |= INPUT_MT_DROP_UNUSED; | |
814 | ||
015fdaa9 BT |
815 | /* check for clickpads */ |
816 | if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1)) | |
2c6e0277 SF |
817 | td->is_buttonpad = true; |
818 | ||
819 | if (td->is_buttonpad) | |
015fdaa9 BT |
820 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
821 | ||
b2c68a2f DT |
822 | ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags); |
823 | if (ret) | |
824 | return ret; | |
a69c5f8b BT |
825 | |
826 | td->mt_flags = 0; | |
b2c68a2f | 827 | return 0; |
a69c5f8b BT |
828 | } |
829 | ||
830 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
831 | struct hid_field *field, struct hid_usage *usage, | |
832 | unsigned long **bit, int *max) | |
833 | { | |
6aef704e BT |
834 | struct mt_device *td = hid_get_drvdata(hdev); |
835 | ||
836 | /* | |
837 | * If mtclass.export_all_inputs is not set, only map fields from | |
838 | * TouchScreen or TouchPad collections. We need to ignore fields | |
839 | * that belong to other collections such as Mouse that might have | |
840 | * the same GenericDesktop usages. | |
841 | */ | |
842 | if (!td->mtclass.export_all_inputs && | |
843 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 844 | field->application != HID_DG_PEN && |
a69c5f8b | 845 | field->application != HID_DG_TOUCHPAD) |
6f492f28 | 846 | return -1; |
a69c5f8b | 847 | |
6aef704e BT |
848 | /* |
849 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
850 | * for the stylus. | |
1cc1cc92 BA |
851 | * The check for mt_report_id ensures we don't process |
852 | * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical | |
853 | * collection, but within the report ID. | |
6aef704e | 854 | */ |
a69c5f8b | 855 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 856 | return 0; |
1cc1cc92 BA |
857 | else if ((field->physical == 0) && |
858 | (field->report->id != td->mt_report_id) && | |
859 | (td->mt_report_id != -1)) | |
860 | return 0; | |
a69c5f8b | 861 | |
6aef704e BT |
862 | if (field->application == HID_DG_TOUCHSCREEN || |
863 | field->application == HID_DG_TOUCHPAD) | |
864 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); | |
865 | ||
866 | /* let hid-core decide for the others */ | |
867 | return 0; | |
a69c5f8b BT |
868 | } |
869 | ||
870 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
871 | struct hid_field *field, struct hid_usage *usage, | |
872 | unsigned long **bit, int *max) | |
873 | { | |
6aef704e BT |
874 | /* |
875 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
876 | * for the stylus. | |
877 | */ | |
fa11aa72 | 878 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 879 | return 0; |
fa11aa72 | 880 | |
6aef704e BT |
881 | if (field->application == HID_DG_TOUCHSCREEN || |
882 | field->application == HID_DG_TOUCHPAD) | |
883 | return mt_touch_input_mapped(hdev, hi, field, usage, bit, max); | |
884 | ||
885 | /* let hid-core decide for the others */ | |
886 | return 0; | |
a69c5f8b BT |
887 | } |
888 | ||
889 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
890 | struct hid_usage *usage, __s32 value) | |
891 | { | |
892 | struct mt_device *td = hid_get_drvdata(hid); | |
893 | ||
894 | if (field->report->id == td->mt_report_id) | |
895 | return mt_touch_event(hid, field, usage, value); | |
896 | ||
e55f6200 | 897 | return 0; |
a69c5f8b BT |
898 | } |
899 | ||
900 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
901 | { | |
902 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 903 | struct hid_field *field = report->field[0]; |
a69c5f8b BT |
904 | |
905 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
906 | return; | |
907 | ||
908 | if (report->id == td->mt_report_id) | |
e55f6200 | 909 | return mt_touch_report(hid, report); |
fa11aa72 | 910 | |
e55f6200 BT |
911 | if (field && field->hidinput && field->hidinput->input) |
912 | input_sync(field->hidinput->input); | |
5519cab4 BT |
913 | } |
914 | ||
915 | static void mt_set_input_mode(struct hid_device *hdev) | |
916 | { | |
917 | struct mt_device *td = hid_get_drvdata(hdev); | |
918 | struct hid_report *r; | |
919 | struct hid_report_enum *re; | |
da10bc25 MM |
920 | struct mt_class *cls = &td->mtclass; |
921 | char *buf; | |
922 | int report_len; | |
5519cab4 BT |
923 | |
924 | if (td->inputmode < 0) | |
925 | return; | |
926 | ||
927 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
928 | r = re->report_id_hash[td->inputmode]; | |
929 | if (r) { | |
da10bc25 | 930 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
dabb05c6 | 931 | report_len = hid_report_len(r); |
da10bc25 MM |
932 | buf = hid_alloc_report_buf(r, GFP_KERNEL); |
933 | if (!buf) { | |
934 | hid_err(hdev, "failed to allocate buffer for report\n"); | |
935 | return; | |
936 | } | |
937 | hid_hw_raw_request(hdev, r->id, buf, report_len, | |
938 | HID_FEATURE_REPORT, | |
939 | HID_REQ_GET_REPORT); | |
940 | kfree(buf); | |
941 | } | |
9abebedb | 942 | r->field[0]->value[td->inputmode_index] = td->inputmode_value; |
d8814272 | 943 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
5519cab4 BT |
944 | } |
945 | } | |
946 | ||
31ae9bdd BT |
947 | static void mt_set_maxcontacts(struct hid_device *hdev) |
948 | { | |
949 | struct mt_device *td = hid_get_drvdata(hdev); | |
950 | struct hid_report *r; | |
951 | struct hid_report_enum *re; | |
952 | int fieldmax, max; | |
953 | ||
954 | if (td->maxcontact_report_id < 0) | |
955 | return; | |
956 | ||
957 | if (!td->mtclass.maxcontacts) | |
958 | return; | |
959 | ||
960 | re = &hdev->report_enum[HID_FEATURE_REPORT]; | |
961 | r = re->report_id_hash[td->maxcontact_report_id]; | |
962 | if (r) { | |
963 | max = td->mtclass.maxcontacts; | |
964 | fieldmax = r->field[0]->logical_maximum; | |
965 | max = min(fieldmax, max); | |
966 | if (r->field[0]->value[0] != max) { | |
967 | r->field[0]->value[0] = max; | |
d8814272 | 968 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
31ae9bdd BT |
969 | } |
970 | } | |
971 | } | |
972 | ||
4fa3a583 HR |
973 | static void mt_post_parse_default_settings(struct mt_device *td) |
974 | { | |
975 | __s32 quirks = td->mtclass.quirks; | |
976 | ||
977 | /* unknown serial device needs special quirks */ | |
978 | if (td->touches_by_report == 1) { | |
979 | quirks |= MT_QUIRK_ALWAYS_VALID; | |
980 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
981 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
982 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 983 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
984 | } |
985 | ||
986 | td->mtclass.quirks = quirks; | |
987 | } | |
988 | ||
3ac36d15 BT |
989 | static void mt_post_parse(struct mt_device *td) |
990 | { | |
991 | struct mt_fields *f = td->fields; | |
c2517f62 | 992 | struct mt_class *cls = &td->mtclass; |
3ac36d15 BT |
993 | |
994 | if (td->touches_by_report > 0) { | |
995 | int field_count_per_touch = f->length / td->touches_by_report; | |
996 | td->last_slot_field = f->usages[field_count_per_touch - 1]; | |
997 | } | |
c2517f62 | 998 | |
7e3cc447 | 999 | if (td->cc_index < 0) |
c2517f62 | 1000 | cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
1001 | } |
1002 | ||
b2c68a2f | 1003 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
1004 | { |
1005 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
1006 | char *name; |
1007 | const char *suffix = NULL; | |
6aef704e | 1008 | struct hid_field *field = hi->report->field[0]; |
b2c68a2f | 1009 | int ret; |
76f5902a | 1010 | |
b2c68a2f DT |
1011 | if (hi->report->id == td->mt_report_id) { |
1012 | ret = mt_touch_input_configured(hdev, hi); | |
1013 | if (ret) | |
1014 | return ret; | |
1015 | } | |
76f5902a | 1016 | |
6aef704e BT |
1017 | /* |
1018 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1019 | * for the stylus. Check this first, and then rely on the application | |
1020 | * field. | |
1021 | */ | |
c08d46aa BT |
1022 | if (hi->report->field[0]->physical == HID_DG_STYLUS) { |
1023 | suffix = "Pen"; | |
e55f6200 BT |
1024 | /* force BTN_STYLUS to allow tablet matching in udev */ |
1025 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
6aef704e BT |
1026 | } else { |
1027 | switch (field->application) { | |
1028 | case HID_GD_KEYBOARD: | |
1029 | suffix = "Keyboard"; | |
1030 | break; | |
1031 | case HID_GD_KEYPAD: | |
1032 | suffix = "Keypad"; | |
1033 | break; | |
1034 | case HID_GD_MOUSE: | |
1035 | suffix = "Mouse"; | |
1036 | break; | |
1037 | case HID_DG_STYLUS: | |
1038 | suffix = "Pen"; | |
1039 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1040 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1041 | break; | |
1042 | case HID_DG_TOUCHSCREEN: | |
1043 | /* we do not set suffix = "Touchscreen" */ | |
1044 | break; | |
dc425a1c MW |
1045 | case HID_DG_TOUCHPAD: |
1046 | suffix = "Touchpad"; | |
1047 | break; | |
6aef704e BT |
1048 | case HID_GD_SYSTEM_CONTROL: |
1049 | suffix = "System Control"; | |
1050 | break; | |
1051 | case HID_CP_CONSUMER_CONTROL: | |
1052 | suffix = "Consumer Control"; | |
1053 | break; | |
1054 | default: | |
1055 | suffix = "UNKNOWN"; | |
1056 | break; | |
1057 | } | |
c08d46aa BT |
1058 | } |
1059 | ||
1060 | if (suffix) { | |
1061 | name = devm_kzalloc(&hi->input->dev, | |
1062 | strlen(hdev->name) + strlen(suffix) + 2, | |
1063 | GFP_KERNEL); | |
1064 | if (name) { | |
1065 | sprintf(name, "%s %s", hdev->name, suffix); | |
1066 | hi->input->name = name; | |
1067 | } | |
1068 | } | |
b2c68a2f DT |
1069 | |
1070 | return 0; | |
76f5902a HR |
1071 | } |
1072 | ||
5519cab4 BT |
1073 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1074 | { | |
2d93666e | 1075 | int ret, i; |
5519cab4 | 1076 | struct mt_device *td; |
2d93666e BT |
1077 | struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
1078 | ||
94b5485c HR |
1079 | for (i = 0; mt_classes[i].name ; i++) { |
1080 | if (id->driver_data == mt_classes[i].name) { | |
1081 | mtclass = &(mt_classes[i]); | |
1082 | break; | |
2d93666e BT |
1083 | } |
1084 | } | |
5519cab4 | 1085 | |
d682bd7f HR |
1086 | /* This allows the driver to correctly support devices |
1087 | * that emit events over several HID messages. | |
1088 | */ | |
1089 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
5519cab4 | 1090 | |
fa11aa72 BT |
1091 | /* |
1092 | * This allows the driver to handle different input sensors | |
1093 | * that emits events through different reports on the same HID | |
1094 | * device. | |
1095 | */ | |
1096 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; | |
1097 | hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT; | |
1098 | ||
595e9276 BT |
1099 | /* |
1100 | * Handle special quirks for Windows 8 certified devices. | |
1101 | */ | |
1102 | if (id->group == HID_GROUP_MULTITOUCH_WIN_8) | |
1103 | /* | |
1104 | * Some multitouch screens do not like to be polled for input | |
1105 | * reports. Fortunately, the Win8 spec says that all touches | |
1106 | * should be sent during each report, making the initialization | |
1107 | * of input reports unnecessary. | |
6d4f5440 MW |
1108 | * |
1109 | * In addition some touchpads do not behave well if we read | |
1110 | * all feature reports from them. Instead we prevent | |
1111 | * initial report fetching and then selectively fetch each | |
1112 | * report we are interested in. | |
595e9276 | 1113 | */ |
6d4f5440 | 1114 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; |
595e9276 | 1115 | |
c08d46aa | 1116 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1117 | if (!td) { |
1118 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1119 | return -ENOMEM; | |
1120 | } | |
eec29e3d | 1121 | td->mtclass = *mtclass; |
5519cab4 | 1122 | td->inputmode = -1; |
31ae9bdd | 1123 | td->maxcontact_report_id = -1; |
9abebedb | 1124 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
7e3cc447 | 1125 | td->cc_index = -1; |
fa11aa72 | 1126 | td->mt_report_id = -1; |
5519cab4 BT |
1127 | hid_set_drvdata(hdev, td); |
1128 | ||
c08d46aa BT |
1129 | td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields), |
1130 | GFP_KERNEL); | |
3ac36d15 BT |
1131 | if (!td->fields) { |
1132 | dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); | |
c08d46aa | 1133 | return -ENOMEM; |
3ac36d15 BT |
1134 | } |
1135 | ||
76f5902a HR |
1136 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1137 | td->serial_maybe = true; | |
1138 | ||
5519cab4 BT |
1139 | ret = hid_parse(hdev); |
1140 | if (ret != 0) | |
c08d46aa | 1141 | return ret; |
5519cab4 BT |
1142 | |
1143 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
2d93666e | 1144 | if (ret) |
c08d46aa | 1145 | return ret; |
5519cab4 | 1146 | |
eec29e3d | 1147 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1148 | if (ret) |
1149 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1150 | hdev->name); | |
eec29e3d | 1151 | |
31ae9bdd | 1152 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1153 | mt_set_input_mode(hdev); |
1154 | ||
c08d46aa BT |
1155 | /* release .fields memory as it is not used anymore */ |
1156 | devm_kfree(&hdev->dev, td->fields); | |
3ac36d15 BT |
1157 | td->fields = NULL; |
1158 | ||
5519cab4 | 1159 | return 0; |
5519cab4 BT |
1160 | } |
1161 | ||
1162 | #ifdef CONFIG_PM | |
d3e69b9a BL |
1163 | static void mt_release_contacts(struct hid_device *hid) |
1164 | { | |
1165 | struct hid_input *hidinput; | |
1166 | ||
1167 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1168 | struct input_dev *input_dev = hidinput->input; | |
1169 | struct input_mt *mt = input_dev->mt; | |
1170 | int i; | |
1171 | ||
1172 | if (mt) { | |
1173 | for (i = 0; i < mt->num_slots; i++) { | |
1174 | input_mt_slot(input_dev, i); | |
1175 | input_mt_report_slot_state(input_dev, | |
1176 | MT_TOOL_FINGER, | |
1177 | false); | |
1178 | } | |
0a0f5b7e | 1179 | input_mt_sync_frame(input_dev); |
d3e69b9a BL |
1180 | input_sync(input_dev); |
1181 | } | |
1182 | } | |
1183 | } | |
1184 | ||
5519cab4 BT |
1185 | static int mt_reset_resume(struct hid_device *hdev) |
1186 | { | |
d3e69b9a | 1187 | mt_release_contacts(hdev); |
31ae9bdd | 1188 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1189 | mt_set_input_mode(hdev); |
1190 | return 0; | |
1191 | } | |
dfeefd10 SL |
1192 | |
1193 | static int mt_resume(struct hid_device *hdev) | |
1194 | { | |
dfeefd10 SL |
1195 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1196 | * It should be safe to send it to other devices too. | |
1197 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1198 | ||
4ba25d3f | 1199 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 SL |
1200 | |
1201 | return 0; | |
1202 | } | |
5519cab4 BT |
1203 | #endif |
1204 | ||
1205 | static void mt_remove(struct hid_device *hdev) | |
1206 | { | |
eec29e3d | 1207 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1208 | hid_hw_stop(hdev); |
5519cab4 BT |
1209 | } |
1210 | ||
0fa9c616 BT |
1211 | /* |
1212 | * This list contains only: | |
1213 | * - VID/PID of products not working with the default multitouch handling | |
1214 | * - 2 generic rules. | |
1215 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1216 | */ | |
5519cab4 BT |
1217 | static const struct hid_device_id mt_devices[] = { |
1218 | ||
f786bba4 BT |
1219 | /* 3M panels */ |
1220 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1221 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1222 | USB_DEVICE_ID_3M1968) }, |
1223 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1224 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1225 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1226 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1227 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1228 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1229 | |
6aef704e BT |
1230 | /* Anton devices */ |
1231 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1232 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1233 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1234 | |
b1057124 | 1235 | /* Atmel panels */ |
841cb157 | 1236 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1237 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1238 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1239 | |
9ed32695 | 1240 | /* Baanto multitouch devices */ |
dc3e1d80 | 1241 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1242 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1243 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1244 | |
a841b62c BT |
1245 | /* Cando panels */ |
1246 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1247 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1248 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1249 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1250 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1251 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1252 | ||
942fd422 | 1253 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1254 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1255 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1256 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1257 | ||
070f63b4 YB |
1258 | /* CJTouch panels */ |
1259 | { .driver_data = MT_CLS_NSMU, | |
1260 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1261 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1262 | { .driver_data = MT_CLS_NSMU, | |
1263 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1264 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1265 | ||
79603dc9 | 1266 | /* CVTouch panels */ |
dc3e1d80 | 1267 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1268 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1269 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1270 | ||
22408283 | 1271 | /* eGalax devices (resistive) */ |
e36f690b | 1272 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1273 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1274 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1275 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1276 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1277 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1278 | |
1279 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1280 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1281 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1282 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1283 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1284 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1285 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1286 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1287 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1288 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1289 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1290 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1291 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1292 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1293 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1294 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1295 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1296 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1297 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1298 | { .driver_data = MT_CLS_EGALAX, |
1299 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1300 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1301 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1302 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1303 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1304 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1305 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1306 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1307 | { .driver_data = MT_CLS_EGALAX, |
1308 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1309 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1310 | { .driver_data = MT_CLS_EGALAX, | |
1311 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1312 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1313 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1314 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1315 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1316 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1317 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1318 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1319 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1320 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1321 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1322 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1323 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1324 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1325 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1326 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1327 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
22408283 | 1328 | |
7c7606a2 TS |
1329 | /* Elitegroup panel */ |
1330 | { .driver_data = MT_CLS_SERIAL, | |
1331 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
1332 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
1333 | ||
77723e3b HR |
1334 | /* Flatfrog Panels */ |
1335 | { .driver_data = MT_CLS_FLATFROG, | |
1336 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
1337 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
1338 | ||
3db187e7 BT |
1339 | /* FocalTech Panels */ |
1340 | { .driver_data = MT_CLS_SERIAL, | |
1341 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
1342 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
1343 | ||
5572da08 | 1344 | /* GeneralTouch panel */ |
f5ff4e1e | 1345 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 1346 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 1347 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
1348 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1349 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1350 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
1351 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1352 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1353 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
1354 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1355 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1356 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
1357 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1358 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1359 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
1360 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1361 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1362 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
1363 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1364 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1365 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 1366 | |
4d5df5d1 | 1367 | /* Gametel game controller */ |
dc3e1d80 | 1368 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1369 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
1370 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1371 | ||
ee0fbd14 | 1372 | /* GoodTouch panels */ |
dc3e1d80 | 1373 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1374 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
1375 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1376 | ||
54580365 BT |
1377 | /* Hanvon panels */ |
1378 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 1379 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
1380 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1381 | ||
4e61f0d7 | 1382 | /* Ilitek dual touch panel */ |
dc3e1d80 | 1383 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1384 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
1385 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1386 | ||
4a6ee685 BT |
1387 | /* MosArt panels */ |
1388 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1389 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1390 | USB_DEVICE_ID_ASUS_T91MT)}, |
1391 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1392 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1393 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1394 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1395 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
1396 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1397 | ||
2258e863 DK |
1398 | /* Panasonic panels */ |
1399 | { .driver_data = MT_CLS_PANASONIC, | |
2c2110e9 | 1400 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
2258e863 DK |
1401 | USB_DEVICE_ID_PANABOARD_UBT780) }, |
1402 | { .driver_data = MT_CLS_PANASONIC, | |
2c2110e9 | 1403 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
2258e863 DK |
1404 | USB_DEVICE_ID_PANABOARD_UBT880) }, |
1405 | ||
4db703ea | 1406 | /* Novatek Panel */ |
dc3e1d80 | 1407 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 1408 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
1409 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1410 | ||
a80e803a BT |
1411 | /* Ntrig Panel */ |
1412 | { .driver_data = MT_CLS_NSMU, | |
1413 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1414 | USB_VENDOR_ID_NTRIG, 0x1b05) }, | |
1415 | ||
b7ea95ff AT |
1416 | /* PixArt optical touch screen */ |
1417 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1418 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1419 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1420 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1421 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1422 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1423 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1424 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1425 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1426 | ||
5519cab4 | 1427 | /* PixCir-based panels */ |
1e9cf35b | 1428 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 1429 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
1430 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1431 | ||
5e7ea11f | 1432 | /* Quanta-based panels */ |
5e7ea11f | 1433 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 1434 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 1435 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 1436 | |
043b403a | 1437 | /* Stantum panels */ |
bf5af9b5 | 1438 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 1439 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 1440 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 1441 | |
847672cd BT |
1442 | /* TopSeed panels */ |
1443 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 1444 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
1445 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1446 | ||
5e74e56d | 1447 | /* Touch International panels */ |
dc3e1d80 | 1448 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1449 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
1450 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1451 | ||
617b64f9 | 1452 | /* Unitec panels */ |
dc3e1d80 | 1453 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1454 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1455 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 1456 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1457 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1458 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 1459 | |
da10bc25 MM |
1460 | /* VTL panels */ |
1461 | { .driver_data = MT_CLS_VTL, | |
1462 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
1463 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
1464 | ||
bf9d121e KC |
1465 | /* Wistron panels */ |
1466 | { .driver_data = MT_CLS_NSMU, | |
1467 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
1468 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
1469 | ||
bc8a2a9b | 1470 | /* XAT */ |
dc3e1d80 | 1471 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1472 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 1473 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 1474 | |
11576c61 | 1475 | /* Xiroku */ |
dc3e1d80 | 1476 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1477 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1478 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 1479 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1480 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1481 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 1482 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1483 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1484 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 1485 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1486 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1487 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 1488 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1489 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1490 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 1491 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1492 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1493 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 1494 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1495 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1496 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 1497 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1498 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1499 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 1500 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1501 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
1502 | USB_DEVICE_ID_XIROKU_CSR2) }, |
1503 | ||
4fa3a583 HR |
1504 | /* Generic MT device */ |
1505 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
1506 | |
1507 | /* Generic Win 8 certified MT device */ | |
1508 | { .driver_data = MT_CLS_WIN_8, | |
1509 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
1510 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
1511 | { } |
1512 | }; | |
1513 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
1514 | ||
1515 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
1516 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
1517 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
1518 | }; | |
1519 | ||
1520 | static struct hid_driver mt_driver = { | |
1521 | .name = "hid-multitouch", | |
1522 | .id_table = mt_devices, | |
1523 | .probe = mt_probe, | |
1524 | .remove = mt_remove, | |
1525 | .input_mapping = mt_input_mapping, | |
1526 | .input_mapped = mt_input_mapped, | |
76f5902a | 1527 | .input_configured = mt_input_configured, |
5519cab4 BT |
1528 | .feature_mapping = mt_feature_mapping, |
1529 | .usage_table = mt_grabbed_usages, | |
1530 | .event = mt_event, | |
55978fa9 | 1531 | .report = mt_report, |
5519cab4 BT |
1532 | #ifdef CONFIG_PM |
1533 | .reset_resume = mt_reset_resume, | |
dfeefd10 | 1534 | .resume = mt_resume, |
5519cab4 BT |
1535 | #endif |
1536 | }; | |
f425458e | 1537 | module_hid_driver(mt_driver); |