]>
Commit | Line | Data |
---|---|---|
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) |
f3287a99 | 71 | #define MT_QUIRK_FIX_CONST_CONTACT_ID (1 << 14) |
e9d0a26d | 72 | #define MT_QUIRK_TOUCH_SIZE_SCALING (1 << 15) |
5519cab4 | 73 | |
9abebedb AD |
74 | #define MT_INPUTMODE_TOUCHSCREEN 0x02 |
75 | #define MT_INPUTMODE_TOUCHPAD 0x03 | |
76 | ||
2c6e0277 SF |
77 | #define MT_BUTTONTYPE_CLICKPAD 0 |
78 | ||
5519cab4 | 79 | struct mt_slot { |
349fd670 | 80 | __s32 x, y, cx, cy, p, w, h; |
5519cab4 BT |
81 | __s32 contactid; /* the device ContactID assigned to this slot */ |
82 | bool touch_state; /* is the touch valid? */ | |
9b3bb9b8 | 83 | bool inrange_state; /* is the finger in proximity of the sensor? */ |
6dd2e27a | 84 | bool confidence_state; /* is the touch made by a finger? */ |
5519cab4 BT |
85 | }; |
86 | ||
eec29e3d BT |
87 | struct mt_class { |
88 | __s32 name; /* MT_CLS */ | |
89 | __s32 quirks; | |
90 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
91 | __s32 sn_width; /* Signal/noise ratio for width events */ | |
92 | __s32 sn_height; /* Signal/noise ratio for height events */ | |
93 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
94 | __u8 maxcontacts; | |
c2ef8f21 | 95 | bool is_indirect; /* true for touchpads */ |
6aef704e | 96 | bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ |
eec29e3d BT |
97 | }; |
98 | ||
3ac36d15 BT |
99 | struct mt_fields { |
100 | unsigned usages[HID_MAX_FIELDS]; | |
101 | unsigned int length; | |
102 | }; | |
103 | ||
5519cab4 BT |
104 | struct mt_device { |
105 | struct mt_slot curdata; /* placeholder of incoming data */ | |
eec29e3d | 106 | struct mt_class mtclass; /* our mt device class */ |
3ac36d15 BT |
107 | struct mt_fields *fields; /* temporary placeholder for storing the |
108 | multitouch fields */ | |
7e3cc447 BT |
109 | int cc_index; /* contact count field index in the report */ |
110 | int cc_value_index; /* contact count value index in the field */ | |
5519cab4 | 111 | unsigned last_slot_field; /* the last field of a slot */ |
55978fa9 | 112 | unsigned mt_report_id; /* the report ID of the multitouch device */ |
b897f6db | 113 | unsigned long initial_quirks; /* initial quirks state */ |
8821f5dc BT |
114 | __s16 inputmode; /* InputMode HID feature, -1 if non-existent */ |
115 | __s16 inputmode_index; /* InputMode HID feature index in the report */ | |
116 | __s16 maxcontact_report_id; /* Maximum Contact Number HID feature, | |
31ae9bdd | 117 | -1 if non-existent */ |
9abebedb | 118 | __u8 inputmode_value; /* InputMode HID feature value */ |
5519cab4 BT |
119 | __u8 num_received; /* how many contacts we received */ |
120 | __u8 num_expected; /* expected last contact index */ | |
9498f954 | 121 | __u8 maxcontacts; |
9e87f22a BT |
122 | __u8 touches_by_report; /* how many touches are present in one report: |
123 | * 1 means we should use a serial protocol | |
124 | * > 1 means hybrid (multitouch) protocol */ | |
015fdaa9 | 125 | __u8 buttons_count; /* number of physical buttons per touchpad */ |
2c6e0277 | 126 | bool is_buttonpad; /* is this device a button pad? */ |
76f5902a | 127 | bool serial_maybe; /* need to check for serial protocol */ |
5519cab4 | 128 | bool curvalid; /* is the current contact valid? */ |
76f5902a | 129 | unsigned mt_flags; /* flags to pass to input-mt */ |
5519cab4 BT |
130 | }; |
131 | ||
a69c5f8b BT |
132 | static void mt_post_parse_default_settings(struct mt_device *td); |
133 | static void mt_post_parse(struct mt_device *td); | |
134 | ||
5519cab4 | 135 | /* classes of device behavior */ |
22408283 BT |
136 | #define MT_CLS_DEFAULT 0x0001 |
137 | ||
a062cc5a SC |
138 | #define MT_CLS_SERIAL 0x0002 |
139 | #define MT_CLS_CONFIDENCE 0x0003 | |
5e7ea11f BT |
140 | #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
141 | #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 | |
142 | #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 | |
143 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 | |
0fa9c616 | 144 | /* reserved 0x0008 */ |
b7ea95ff | 145 | #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
dc3e1d80 | 146 | #define MT_CLS_NSMU 0x000a |
0fa9c616 BT |
147 | /* reserved 0x0010 */ |
148 | /* reserved 0x0011 */ | |
f961bd35 | 149 | #define MT_CLS_WIN_8 0x0012 |
6aef704e | 150 | #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 |
504c932c | 151 | #define MT_CLS_WIN_8_DUAL 0x0014 |
22408283 BT |
152 | |
153 | /* vendor specific classes */ | |
154 | #define MT_CLS_3M 0x0101 | |
0fa9c616 | 155 | /* reserved 0x0102 */ |
22408283 | 156 | #define MT_CLS_EGALAX 0x0103 |
1b723e8d | 157 | #define MT_CLS_EGALAX_SERIAL 0x0104 |
847672cd | 158 | #define MT_CLS_TOPSEED 0x0105 |
2258e863 | 159 | #define MT_CLS_PANASONIC 0x0106 |
77723e3b | 160 | #define MT_CLS_FLATFROG 0x0107 |
cdcd3ac4 JK |
161 | #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
162 | #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 | |
f3287a99 | 163 | #define MT_CLS_LG 0x010a |
da10bc25 | 164 | #define MT_CLS_VTL 0x0110 |
5519cab4 | 165 | |
9498f954 | 166 | #define MT_DEFAULT_MAXCONTACT 10 |
afbcb04c | 167 | #define MT_MAX_MAXCONTACT 250 |
9498f954 | 168 | |
2c2110e9 HR |
169 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
170 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) | |
171 | ||
5519cab4 BT |
172 | /* |
173 | * these device-dependent functions determine what slot corresponds | |
174 | * to a valid contact that was just read. | |
175 | */ | |
176 | ||
a3b5e577 BT |
177 | static int cypress_compute_slot(struct mt_device *td) |
178 | { | |
179 | if (td->curdata.contactid != 0 || td->num_received == 0) | |
180 | return td->curdata.contactid; | |
181 | else | |
182 | return -1; | |
183 | } | |
184 | ||
b3c21d2c | 185 | static struct mt_class mt_classes[] = { |
2d93666e | 186 | { .name = MT_CLS_DEFAULT, |
dc3e1d80 BT |
187 | .quirks = MT_QUIRK_ALWAYS_VALID | |
188 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
189 | { .name = MT_CLS_NSMU, | |
9498f954 | 190 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
a062cc5a SC |
191 | { .name = MT_CLS_SERIAL, |
192 | .quirks = MT_QUIRK_ALWAYS_VALID}, | |
22408283 BT |
193 | { .name = MT_CLS_CONFIDENCE, |
194 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, | |
5e7ea11f BT |
195 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
196 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
197 | MT_QUIRK_SLOT_IS_CONTACTID }, | |
22408283 BT |
198 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
199 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
200 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, | |
1e9cf35b | 201 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
202 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
203 | MT_QUIRK_SLOT_IS_CONTACTID, | |
204 | .maxcontacts = 2 }, | |
1e9cf35b | 205 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
206 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
207 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
208 | .maxcontacts = 2 }, | |
b7ea95ff AT |
209 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
210 | .quirks = MT_QUIRK_VALID_IS_INRANGE | | |
211 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, | |
f961bd35 BT |
212 | { .name = MT_CLS_WIN_8, |
213 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
214 | MT_QUIRK_IGNORE_DUPLICATES | | |
215 | MT_QUIRK_HOVERING | | |
216 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
6aef704e BT |
217 | { .name = MT_CLS_EXPORT_ALL_INPUTS, |
218 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
219 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
220 | .export_all_inputs = true }, | |
504c932c MO |
221 | { .name = MT_CLS_WIN_8_DUAL, |
222 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
223 | MT_QUIRK_IGNORE_DUPLICATES | | |
224 | MT_QUIRK_HOVERING | | |
225 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
226 | .export_all_inputs = true }, | |
22408283 BT |
227 | |
228 | /* | |
229 | * vendor specific classes | |
230 | */ | |
231 | { .name = MT_CLS_3M, | |
232 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
e9d0a26d HC |
233 | MT_QUIRK_SLOT_IS_CONTACTID | |
234 | MT_QUIRK_TOUCH_SIZE_SCALING, | |
22408283 BT |
235 | .sn_move = 2048, |
236 | .sn_width = 128, | |
c5d40be5 HR |
237 | .sn_height = 128, |
238 | .maxcontacts = 60, | |
239 | }, | |
4875ac11 RN |
240 | { .name = MT_CLS_EGALAX, |
241 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
2261bb9f | 242 | MT_QUIRK_VALID_IS_INRANGE, |
4875ac11 RN |
243 | .sn_move = 4096, |
244 | .sn_pressure = 32, | |
245 | }, | |
1b723e8d BT |
246 | { .name = MT_CLS_EGALAX_SERIAL, |
247 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
248 | MT_QUIRK_ALWAYS_VALID, | |
4875ac11 RN |
249 | .sn_move = 4096, |
250 | .sn_pressure = 32, | |
251 | }, | |
847672cd BT |
252 | { .name = MT_CLS_TOPSEED, |
253 | .quirks = MT_QUIRK_ALWAYS_VALID, | |
254 | .is_indirect = true, | |
255 | .maxcontacts = 2, | |
256 | }, | |
2258e863 DK |
257 | { .name = MT_CLS_PANASONIC, |
258 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, | |
259 | .maxcontacts = 4 }, | |
f5ff4e1e XY |
260 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
261 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
262 | MT_QUIRK_VALID_IS_INRANGE | | |
7b226292 | 263 | MT_QUIRK_SLOT_IS_CONTACTID, |
f5ff4e1e XY |
264 | .maxcontacts = 2 |
265 | }, | |
266 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
267 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
7b226292 | 268 | MT_QUIRK_SLOT_IS_CONTACTID |
f5ff4e1e | 269 | }, |
043b403a | 270 | |
77723e3b HR |
271 | { .name = MT_CLS_FLATFROG, |
272 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
273 | MT_QUIRK_NO_AREA, | |
274 | .sn_move = 2048, | |
275 | .maxcontacts = 40, | |
276 | }, | |
f3287a99 BT |
277 | { .name = MT_CLS_LG, |
278 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
279 | MT_QUIRK_FIX_CONST_CONTACT_ID | | |
280 | MT_QUIRK_IGNORE_DUPLICATES | | |
281 | MT_QUIRK_HOVERING | | |
282 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
da10bc25 MM |
283 | { .name = MT_CLS_VTL, |
284 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
285 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
286 | MT_QUIRK_FORCE_GET_FEATURE, | |
287 | }, | |
2d93666e | 288 | { } |
5519cab4 BT |
289 | }; |
290 | ||
eec29e3d BT |
291 | static ssize_t mt_show_quirks(struct device *dev, |
292 | struct device_attribute *attr, | |
293 | char *buf) | |
294 | { | |
ee79a8f8 | 295 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
296 | struct mt_device *td = hid_get_drvdata(hdev); |
297 | ||
298 | return sprintf(buf, "%u\n", td->mtclass.quirks); | |
299 | } | |
300 | ||
301 | static ssize_t mt_set_quirks(struct device *dev, | |
302 | struct device_attribute *attr, | |
303 | const char *buf, size_t count) | |
304 | { | |
ee79a8f8 | 305 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
306 | struct mt_device *td = hid_get_drvdata(hdev); |
307 | ||
308 | unsigned long val; | |
309 | ||
310 | if (kstrtoul(buf, 0, &val)) | |
311 | return -EINVAL; | |
312 | ||
313 | td->mtclass.quirks = val; | |
314 | ||
7e3cc447 | 315 | if (td->cc_index < 0) |
c2517f62 BT |
316 | td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
317 | ||
eec29e3d BT |
318 | return count; |
319 | } | |
320 | ||
321 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); | |
322 | ||
323 | static struct attribute *sysfs_attrs[] = { | |
324 | &dev_attr_quirks.attr, | |
325 | NULL | |
326 | }; | |
327 | ||
328 | static struct attribute_group mt_attribute_group = { | |
329 | .attrs = sysfs_attrs | |
330 | }; | |
331 | ||
6d4f5440 MW |
332 | static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) |
333 | { | |
334 | struct mt_device *td = hid_get_drvdata(hdev); | |
335 | int ret, size = hid_report_len(report); | |
336 | u8 *buf; | |
337 | ||
338 | /* | |
b897f6db BT |
339 | * Do not fetch the feature report if the device has been explicitly |
340 | * marked as non-capable. | |
6d4f5440 | 341 | */ |
b897f6db | 342 | if (td->initial_quirks & HID_QUIRK_NO_INIT_REPORTS) |
6d4f5440 MW |
343 | return; |
344 | ||
345 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
346 | if (!buf) | |
347 | return; | |
348 | ||
349 | ret = hid_hw_raw_request(hdev, report->id, buf, size, | |
350 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
351 | if (ret < 0) { | |
352 | dev_warn(&hdev->dev, "failed to fetch feature %d\n", | |
353 | report->id); | |
354 | } else { | |
355 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, | |
356 | size, 0); | |
357 | if (ret) | |
358 | dev_warn(&hdev->dev, "failed to report feature\n"); | |
359 | } | |
360 | ||
361 | kfree(buf); | |
362 | } | |
363 | ||
f635bd11 | 364 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
365 | struct hid_field *field, struct hid_usage *usage) |
366 | { | |
9498f954 BT |
367 | struct mt_device *td = hid_get_drvdata(hdev); |
368 | ||
369 | switch (usage->hid) { | |
370 | case HID_DG_INPUTMODE: | |
8821f5dc BT |
371 | /* Ignore if value index is out of bounds. */ |
372 | if (usage->usage_index >= field->report_count) { | |
373 | dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); | |
374 | break; | |
4aceed37 BT |
375 | } |
376 | ||
73e7d63e BT |
377 | if (td->inputmode < 0) { |
378 | td->inputmode = field->report->id; | |
379 | td->inputmode_index = usage->usage_index; | |
380 | } else { | |
381 | /* | |
382 | * Some elan panels wrongly declare 2 input mode | |
383 | * features, and silently ignore when we set the | |
384 | * value in the second field. Skip the second feature | |
385 | * and hope for the best. | |
386 | */ | |
387 | dev_info(&hdev->dev, | |
388 | "Ignoring the extra HID_DG_INPUTMODE\n"); | |
389 | } | |
8821f5dc | 390 | |
9498f954 BT |
391 | break; |
392 | case HID_DG_CONTACTMAX: | |
6d4f5440 MW |
393 | mt_get_feature(hdev, field->report); |
394 | ||
31ae9bdd | 395 | td->maxcontact_report_id = field->report->id; |
9498f954 | 396 | td->maxcontacts = field->value[0]; |
afbcb04c BT |
397 | if (!td->maxcontacts && |
398 | field->logical_maximum <= MT_MAX_MAXCONTACT) | |
399 | td->maxcontacts = field->logical_maximum; | |
eec29e3d | 400 | if (td->mtclass.maxcontacts) |
9498f954 | 401 | /* check if the maxcontacts is given by the class */ |
eec29e3d | 402 | td->maxcontacts = td->mtclass.maxcontacts; |
9498f954 | 403 | |
2c6e0277 SF |
404 | break; |
405 | case HID_DG_BUTTONTYPE: | |
406 | if (usage->usage_index >= field->report_count) { | |
407 | dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); | |
408 | break; | |
409 | } | |
410 | ||
6d4f5440 | 411 | mt_get_feature(hdev, field->report); |
2c6e0277 SF |
412 | if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) |
413 | td->is_buttonpad = true; | |
414 | ||
9498f954 | 415 | break; |
45c5c682 BT |
416 | case 0xff0000c5: |
417 | /* Retrieve the Win8 blob once to enable some devices */ | |
418 | if (usage->usage_index == 0) | |
419 | mt_get_feature(hdev, field->report); | |
420 | break; | |
5519cab4 BT |
421 | } |
422 | } | |
423 | ||
424 | static void set_abs(struct input_dev *input, unsigned int code, | |
425 | struct hid_field *field, int snratio) | |
426 | { | |
427 | int fmin = field->logical_minimum; | |
428 | int fmax = field->logical_maximum; | |
429 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
430 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
37cf6e6f | 431 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
5519cab4 BT |
432 | } |
433 | ||
3ac36d15 | 434 | static void mt_store_field(struct hid_usage *usage, struct mt_device *td, |
ed9d5c96 BT |
435 | struct hid_input *hi) |
436 | { | |
3ac36d15 BT |
437 | struct mt_fields *f = td->fields; |
438 | ||
439 | if (f->length >= HID_MAX_FIELDS) | |
440 | return; | |
441 | ||
442 | f->usages[f->length++] = usage->hid; | |
ed9d5c96 BT |
443 | } |
444 | ||
a69c5f8b | 445 | static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 BT |
446 | struct hid_field *field, struct hid_usage *usage, |
447 | unsigned long **bit, int *max) | |
448 | { | |
449 | struct mt_device *td = hid_get_drvdata(hdev); | |
eec29e3d | 450 | struct mt_class *cls = &td->mtclass; |
c2ef8f21 | 451 | int code; |
349fd670 | 452 | struct hid_usage *prev_usage = NULL; |
4875ac11 | 453 | |
658d4aed | 454 | if (field->application == HID_DG_TOUCHSCREEN) |
76f5902a | 455 | td->mt_flags |= INPUT_MT_DIRECT; |
658d4aed | 456 | |
76f5902a HR |
457 | /* |
458 | * Model touchscreens providing buttons as touchpads. | |
c2ef8f21 BT |
459 | */ |
460 | if (field->application == HID_DG_TOUCHPAD || | |
9abebedb | 461 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
76f5902a | 462 | td->mt_flags |= INPUT_MT_POINTER; |
9abebedb AD |
463 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
464 | } | |
c2ef8f21 | 465 | |
015fdaa9 BT |
466 | /* count the buttons on touchpads */ |
467 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
468 | td->buttons_count++; | |
469 | ||
349fd670 BT |
470 | if (usage->usage_index) |
471 | prev_usage = &field->usage[usage->usage_index - 1]; | |
472 | ||
5519cab4 BT |
473 | switch (usage->hid & HID_USAGE_PAGE) { |
474 | ||
475 | case HID_UP_GENDESK: | |
476 | switch (usage->hid) { | |
477 | case HID_GD_X: | |
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_X); | |
481 | set_abs(hi->input, ABS_MT_TOOL_X, field, | |
482 | cls->sn_move); | |
483 | } else { | |
484 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 485 | EV_ABS, ABS_MT_POSITION_X); |
349fd670 BT |
486 | set_abs(hi->input, ABS_MT_POSITION_X, field, |
487 | cls->sn_move); | |
488 | } | |
489 | ||
3ac36d15 | 490 | mt_store_field(usage, td, hi); |
5519cab4 BT |
491 | return 1; |
492 | case HID_GD_Y: | |
349fd670 BT |
493 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
494 | hid_map_usage(hi, usage, bit, max, | |
495 | EV_ABS, ABS_MT_TOOL_Y); | |
496 | set_abs(hi->input, ABS_MT_TOOL_Y, field, | |
497 | cls->sn_move); | |
498 | } else { | |
499 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 500 | EV_ABS, ABS_MT_POSITION_Y); |
349fd670 BT |
501 | set_abs(hi->input, ABS_MT_POSITION_Y, field, |
502 | cls->sn_move); | |
503 | } | |
504 | ||
3ac36d15 | 505 | mt_store_field(usage, td, hi); |
5519cab4 BT |
506 | return 1; |
507 | } | |
508 | return 0; | |
509 | ||
510 | case HID_UP_DIGITIZER: | |
511 | switch (usage->hid) { | |
512 | case HID_DG_INRANGE: | |
9b3bb9b8 BT |
513 | if (cls->quirks & MT_QUIRK_HOVERING) { |
514 | hid_map_usage(hi, usage, bit, max, | |
515 | EV_ABS, ABS_MT_DISTANCE); | |
516 | input_set_abs_params(hi->input, | |
517 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
518 | } | |
3ac36d15 | 519 | mt_store_field(usage, td, hi); |
5519cab4 BT |
520 | return 1; |
521 | case HID_DG_CONFIDENCE: | |
504c932c MO |
522 | if ((cls->name == MT_CLS_WIN_8 || |
523 | cls->name == MT_CLS_WIN_8_DUAL) && | |
6dd2e27a AH |
524 | field->application == HID_DG_TOUCHPAD) |
525 | cls->quirks |= MT_QUIRK_CONFIDENCE; | |
3ac36d15 | 526 | mt_store_field(usage, td, hi); |
5519cab4 BT |
527 | return 1; |
528 | case HID_DG_TIPSWITCH: | |
529 | hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); | |
530 | input_set_capability(hi->input, EV_KEY, BTN_TOUCH); | |
3ac36d15 | 531 | mt_store_field(usage, td, hi); |
5519cab4 BT |
532 | return 1; |
533 | case HID_DG_CONTACTID: | |
3ac36d15 | 534 | mt_store_field(usage, td, hi); |
9e87f22a | 535 | td->touches_by_report++; |
55978fa9 | 536 | td->mt_report_id = field->report->id; |
5519cab4 BT |
537 | return 1; |
538 | case HID_DG_WIDTH: | |
539 | hid_map_usage(hi, usage, bit, max, | |
540 | EV_ABS, ABS_MT_TOUCH_MAJOR); | |
77723e3b HR |
541 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) |
542 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, | |
543 | cls->sn_width); | |
3ac36d15 | 544 | mt_store_field(usage, td, hi); |
5519cab4 BT |
545 | return 1; |
546 | case HID_DG_HEIGHT: | |
547 | hid_map_usage(hi, usage, bit, max, | |
548 | EV_ABS, ABS_MT_TOUCH_MINOR); | |
77723e3b HR |
549 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) { |
550 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, | |
551 | cls->sn_height); | |
552 | input_set_abs_params(hi->input, | |
1e648a13 | 553 | ABS_MT_ORIENTATION, 0, 1, 0, 0); |
77723e3b | 554 | } |
3ac36d15 | 555 | mt_store_field(usage, td, hi); |
5519cab4 BT |
556 | return 1; |
557 | case HID_DG_TIPPRESSURE: | |
558 | hid_map_usage(hi, usage, bit, max, | |
559 | EV_ABS, ABS_MT_PRESSURE); | |
560 | set_abs(hi->input, ABS_MT_PRESSURE, field, | |
561 | cls->sn_pressure); | |
3ac36d15 | 562 | mt_store_field(usage, td, hi); |
5519cab4 BT |
563 | return 1; |
564 | case HID_DG_CONTACTCOUNT: | |
8821f5dc BT |
565 | /* Ignore if indexes are out of bounds. */ |
566 | if (field->index >= field->report->maxfield || | |
567 | usage->usage_index >= field->report_count) | |
568 | return 1; | |
7e3cc447 BT |
569 | td->cc_index = field->index; |
570 | td->cc_value_index = usage->usage_index; | |
5519cab4 BT |
571 | return 1; |
572 | case HID_DG_CONTACTMAX: | |
573 | /* we don't set td->last_slot_field as contactcount and | |
574 | * contact max are global to the report */ | |
575 | return -1; | |
c2ef8f21 BT |
576 | case HID_DG_TOUCH: |
577 | /* Legacy devices use TIPSWITCH and not TOUCH. | |
578 | * Let's just ignore this field. */ | |
579 | return -1; | |
65b258e9 | 580 | } |
5519cab4 BT |
581 | /* let hid-input decide for the others */ |
582 | return 0; | |
583 | ||
c2ef8f21 BT |
584 | case HID_UP_BUTTON: |
585 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); | |
594312b8 BT |
586 | /* |
587 | * MS PTP spec says that external buttons left and right have | |
588 | * usages 2 and 3. | |
589 | */ | |
504c932c MO |
590 | if ((cls->name == MT_CLS_WIN_8 || |
591 | cls->name == MT_CLS_WIN_8_DUAL) && | |
594312b8 BT |
592 | field->application == HID_DG_TOUCHPAD && |
593 | (usage->hid & HID_USAGE) > 1) | |
594 | code--; | |
c2ef8f21 BT |
595 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
596 | input_set_capability(hi->input, EV_KEY, code); | |
597 | return 1; | |
598 | ||
5519cab4 BT |
599 | case 0xff000000: |
600 | /* we do not want to map these: no input-oriented meaning */ | |
601 | return -1; | |
602 | } | |
603 | ||
604 | return 0; | |
605 | } | |
606 | ||
a69c5f8b | 607 | static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 BT |
608 | struct hid_field *field, struct hid_usage *usage, |
609 | unsigned long **bit, int *max) | |
610 | { | |
611 | if (usage->type == EV_KEY || usage->type == EV_ABS) | |
612 | set_bit(usage->type, hi->input->evbit); | |
613 | ||
614 | return -1; | |
615 | } | |
616 | ||
3e1b5015 | 617 | static int mt_compute_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 618 | { |
eec29e3d | 619 | __s32 quirks = td->mtclass.quirks; |
5519cab4 | 620 | |
2d93666e BT |
621 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
622 | return td->curdata.contactid; | |
5519cab4 | 623 | |
2d93666e | 624 | if (quirks & MT_QUIRK_CYPRESS) |
a3b5e577 BT |
625 | return cypress_compute_slot(td); |
626 | ||
2d93666e BT |
627 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
628 | return td->num_received; | |
5572da08 | 629 | |
4a6ee685 BT |
630 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
631 | return td->curdata.contactid - 1; | |
632 | ||
3e1b5015 | 633 | return input_mt_get_slot_by_key(input, td->curdata.contactid); |
5519cab4 BT |
634 | } |
635 | ||
636 | /* | |
637 | * this function is called when a whole contact has been processed, | |
638 | * so that it can assign it to a slot and store the data there | |
639 | */ | |
3e1b5015 | 640 | static void mt_complete_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 641 | { |
c2517f62 BT |
642 | if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && |
643 | td->num_received >= td->num_expected) | |
644 | return; | |
645 | ||
20b60e6d | 646 | if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { |
6dd2e27a | 647 | int active; |
3e1b5015 HR |
648 | int slotnum = mt_compute_slot(td, input); |
649 | struct mt_slot *s = &td->curdata; | |
28728399 | 650 | struct input_mt *mt = input->mt; |
5519cab4 | 651 | |
3e1b5015 HR |
652 | if (slotnum < 0 || slotnum >= td->maxcontacts) |
653 | return; | |
5519cab4 | 654 | |
28728399 BT |
655 | if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { |
656 | struct input_mt_slot *slot = &mt->slots[slotnum]; | |
657 | if (input_mt_is_active(slot) && | |
658 | input_mt_is_used(mt, slot)) | |
659 | return; | |
660 | } | |
661 | ||
6dd2e27a AH |
662 | if (!(td->mtclass.quirks & MT_QUIRK_CONFIDENCE)) |
663 | s->confidence_state = 1; | |
664 | active = (s->touch_state || s->inrange_state) && | |
665 | s->confidence_state; | |
666 | ||
3e1b5015 | 667 | input_mt_slot(input, slotnum); |
6dd2e27a AH |
668 | input_mt_report_slot_state(input, MT_TOOL_FINGER, active); |
669 | if (active) { | |
9b3bb9b8 | 670 | /* this finger is in proximity of the sensor */ |
f786bba4 | 671 | int wide = (s->w > s->h); |
e9d0a26d HC |
672 | int major = max(s->w, s->h); |
673 | int minor = min(s->w, s->h); | |
674 | ||
675 | /* | |
676 | * divided by two to match visual scale of touch | |
677 | * for devices with this quirk | |
678 | */ | |
679 | if (td->mtclass.quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { | |
680 | major = major >> 1; | |
681 | minor = minor >> 1; | |
682 | } | |
f786bba4 | 683 | |
2d93666e BT |
684 | input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
685 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); | |
349fd670 BT |
686 | input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); |
687 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); | |
9b3bb9b8 BT |
688 | input_event(input, EV_ABS, ABS_MT_DISTANCE, |
689 | !s->touch_state); | |
f786bba4 | 690 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); |
2d93666e | 691 | input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
f786bba4 BT |
692 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
693 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
2d93666e | 694 | } |
5519cab4 BT |
695 | } |
696 | ||
3e1b5015 HR |
697 | td->num_received++; |
698 | } | |
699 | ||
700 | /* | |
701 | * this function is called when a whole packet has been received and processed, | |
702 | * so that it can decide what to send to the input layer. | |
703 | */ | |
704 | static void mt_sync_frame(struct mt_device *td, struct input_dev *input) | |
705 | { | |
76f5902a | 706 | input_mt_sync_frame(input); |
5519cab4 BT |
707 | input_sync(input); |
708 | td->num_received = 0; | |
709 | } | |
710 | ||
a69c5f8b | 711 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 712 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
713 | { |
714 | /* we will handle the hidinput part later, now remains hiddev */ | |
715 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
716 | hid->hiddev_hid_event(hid, field, usage, value); | |
717 | ||
718 | return 1; | |
719 | } | |
720 | ||
721 | static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, | |
722 | struct hid_usage *usage, __s32 value) | |
5519cab4 BT |
723 | { |
724 | struct mt_device *td = hid_get_drvdata(hid); | |
eec29e3d | 725 | __s32 quirks = td->mtclass.quirks; |
4c437555 | 726 | struct input_dev *input = field->hidinput->input; |
5519cab4 | 727 | |
3e1b5015 | 728 | if (hid->claimed & HID_CLAIMED_INPUT) { |
5519cab4 BT |
729 | switch (usage->hid) { |
730 | case HID_DG_INRANGE: | |
20b60e6d | 731 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
2d93666e | 732 | td->curvalid = value; |
9b3bb9b8 BT |
733 | if (quirks & MT_QUIRK_HOVERING) |
734 | td->curdata.inrange_state = value; | |
5519cab4 BT |
735 | break; |
736 | case HID_DG_TIPSWITCH: | |
2d93666e BT |
737 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
738 | td->curvalid = value; | |
5519cab4 BT |
739 | td->curdata.touch_state = value; |
740 | break; | |
741 | case HID_DG_CONFIDENCE: | |
6dd2e27a AH |
742 | if (quirks & MT_QUIRK_CONFIDENCE) |
743 | td->curdata.confidence_state = value; | |
2d93666e BT |
744 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
745 | td->curvalid = value; | |
5519cab4 BT |
746 | break; |
747 | case HID_DG_CONTACTID: | |
748 | td->curdata.contactid = value; | |
749 | break; | |
750 | case HID_DG_TIPPRESSURE: | |
751 | td->curdata.p = value; | |
752 | break; | |
753 | case HID_GD_X: | |
349fd670 BT |
754 | if (usage->code == ABS_MT_TOOL_X) |
755 | td->curdata.cx = value; | |
756 | else | |
757 | td->curdata.x = value; | |
5519cab4 BT |
758 | break; |
759 | case HID_GD_Y: | |
349fd670 BT |
760 | if (usage->code == ABS_MT_TOOL_Y) |
761 | td->curdata.cy = value; | |
762 | else | |
763 | td->curdata.y = value; | |
5519cab4 BT |
764 | break; |
765 | case HID_DG_WIDTH: | |
766 | td->curdata.w = value; | |
767 | break; | |
768 | case HID_DG_HEIGHT: | |
769 | td->curdata.h = value; | |
770 | break; | |
771 | case HID_DG_CONTACTCOUNT: | |
5519cab4 | 772 | break; |
c2ef8f21 BT |
773 | case HID_DG_TOUCH: |
774 | /* do nothing */ | |
775 | break; | |
5519cab4 BT |
776 | |
777 | default: | |
4c437555 BT |
778 | if (usage->type) |
779 | input_event(input, usage->type, usage->code, | |
780 | value); | |
55978fa9 | 781 | return; |
5519cab4 | 782 | } |
5519cab4 | 783 | |
54f4c0c3 BT |
784 | if (usage->usage_index + 1 == field->report_count) { |
785 | /* we only take into account the last report. */ | |
786 | if (usage->hid == td->last_slot_field) | |
787 | mt_complete_slot(td, field->hidinput->input); | |
54f4c0c3 | 788 | } |
5519cab4 | 789 | |
2d93666e | 790 | } |
55978fa9 | 791 | } |
5519cab4 | 792 | |
a69c5f8b | 793 | static void mt_touch_report(struct hid_device *hid, struct hid_report *report) |
55978fa9 BT |
794 | { |
795 | struct mt_device *td = hid_get_drvdata(hid); | |
796 | struct hid_field *field; | |
797 | unsigned count; | |
798 | int r, n; | |
5519cab4 | 799 | |
c2517f62 BT |
800 | /* |
801 | * Includes multi-packet support where subsequent | |
802 | * packets are sent with zero contactcount. | |
803 | */ | |
7e3cc447 BT |
804 | if (td->cc_index >= 0) { |
805 | struct hid_field *field = report->field[td->cc_index]; | |
806 | int value = field->value[td->cc_value_index]; | |
807 | if (value) | |
808 | td->num_expected = value; | |
809 | } | |
c2517f62 | 810 | |
55978fa9 BT |
811 | for (r = 0; r < report->maxfield; r++) { |
812 | field = report->field[r]; | |
813 | count = field->report_count; | |
814 | ||
815 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
816 | continue; | |
817 | ||
818 | for (n = 0; n < count; n++) | |
819 | mt_process_mt_event(hid, field, &field->usage[n], | |
820 | field->value[n]); | |
821 | } | |
5b62efd8 BT |
822 | |
823 | if (td->num_received >= td->num_expected) | |
824 | mt_sync_frame(td, report->field[0]->hidinput->input); | |
5519cab4 BT |
825 | } |
826 | ||
b2c68a2f | 827 | static int mt_touch_input_configured(struct hid_device *hdev, |
a69c5f8b BT |
828 | struct hid_input *hi) |
829 | { | |
830 | struct mt_device *td = hid_get_drvdata(hdev); | |
831 | struct mt_class *cls = &td->mtclass; | |
832 | struct input_dev *input = hi->input; | |
b2c68a2f | 833 | int ret; |
a69c5f8b BT |
834 | |
835 | if (!td->maxcontacts) | |
836 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
837 | ||
838 | mt_post_parse(td); | |
839 | if (td->serial_maybe) | |
840 | mt_post_parse_default_settings(td); | |
841 | ||
842 | if (cls->is_indirect) | |
843 | td->mt_flags |= INPUT_MT_POINTER; | |
844 | ||
845 | if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
846 | td->mt_flags |= INPUT_MT_DROP_UNUSED; | |
847 | ||
015fdaa9 BT |
848 | /* check for clickpads */ |
849 | if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1)) | |
2c6e0277 SF |
850 | td->is_buttonpad = true; |
851 | ||
852 | if (td->is_buttonpad) | |
015fdaa9 BT |
853 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
854 | ||
b2c68a2f DT |
855 | ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags); |
856 | if (ret) | |
857 | return ret; | |
a69c5f8b BT |
858 | |
859 | td->mt_flags = 0; | |
b2c68a2f | 860 | return 0; |
a69c5f8b BT |
861 | } |
862 | ||
863 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
864 | struct hid_field *field, struct hid_usage *usage, | |
865 | unsigned long **bit, int *max) | |
866 | { | |
6aef704e BT |
867 | struct mt_device *td = hid_get_drvdata(hdev); |
868 | ||
869 | /* | |
870 | * If mtclass.export_all_inputs is not set, only map fields from | |
871 | * TouchScreen or TouchPad collections. We need to ignore fields | |
872 | * that belong to other collections such as Mouse that might have | |
873 | * the same GenericDesktop usages. | |
874 | */ | |
875 | if (!td->mtclass.export_all_inputs && | |
876 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 877 | field->application != HID_DG_PEN && |
8fe89ef0 BT |
878 | field->application != HID_DG_TOUCHPAD && |
879 | field->application != HID_GD_KEYBOARD && | |
880 | field->application != HID_CP_CONSUMER_CONTROL) | |
6f492f28 | 881 | return -1; |
a69c5f8b | 882 | |
6aef704e BT |
883 | /* |
884 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
885 | * for the stylus. | |
1cc1cc92 BA |
886 | * The check for mt_report_id ensures we don't process |
887 | * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical | |
888 | * collection, but within the report ID. | |
6aef704e | 889 | */ |
a69c5f8b | 890 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 891 | return 0; |
1cc1cc92 BA |
892 | else if ((field->physical == 0) && |
893 | (field->report->id != td->mt_report_id) && | |
894 | (td->mt_report_id != -1)) | |
895 | return 0; | |
a69c5f8b | 896 | |
6aef704e BT |
897 | if (field->application == HID_DG_TOUCHSCREEN || |
898 | field->application == HID_DG_TOUCHPAD) | |
899 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); | |
900 | ||
901 | /* let hid-core decide for the others */ | |
902 | return 0; | |
a69c5f8b BT |
903 | } |
904 | ||
905 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
906 | struct hid_field *field, struct hid_usage *usage, | |
907 | unsigned long **bit, int *max) | |
908 | { | |
6aef704e BT |
909 | /* |
910 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
911 | * for the stylus. | |
912 | */ | |
fa11aa72 | 913 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 914 | return 0; |
fa11aa72 | 915 | |
6aef704e BT |
916 | if (field->application == HID_DG_TOUCHSCREEN || |
917 | field->application == HID_DG_TOUCHPAD) | |
918 | return mt_touch_input_mapped(hdev, hi, field, usage, bit, max); | |
919 | ||
920 | /* let hid-core decide for the others */ | |
921 | return 0; | |
a69c5f8b BT |
922 | } |
923 | ||
924 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
925 | struct hid_usage *usage, __s32 value) | |
926 | { | |
927 | struct mt_device *td = hid_get_drvdata(hid); | |
928 | ||
929 | if (field->report->id == td->mt_report_id) | |
930 | return mt_touch_event(hid, field, usage, value); | |
931 | ||
e55f6200 | 932 | return 0; |
a69c5f8b BT |
933 | } |
934 | ||
935 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
936 | { | |
937 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 938 | struct hid_field *field = report->field[0]; |
a69c5f8b BT |
939 | |
940 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
941 | return; | |
942 | ||
943 | if (report->id == td->mt_report_id) | |
e55f6200 | 944 | return mt_touch_report(hid, report); |
fa11aa72 | 945 | |
e55f6200 BT |
946 | if (field && field->hidinput && field->hidinput->input) |
947 | input_sync(field->hidinput->input); | |
5519cab4 BT |
948 | } |
949 | ||
950 | static void mt_set_input_mode(struct hid_device *hdev) | |
951 | { | |
952 | struct mt_device *td = hid_get_drvdata(hdev); | |
953 | struct hid_report *r; | |
954 | struct hid_report_enum *re; | |
da10bc25 MM |
955 | struct mt_class *cls = &td->mtclass; |
956 | char *buf; | |
957 | int report_len; | |
5519cab4 BT |
958 | |
959 | if (td->inputmode < 0) | |
960 | return; | |
961 | ||
962 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
963 | r = re->report_id_hash[td->inputmode]; | |
964 | if (r) { | |
da10bc25 | 965 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
dabb05c6 | 966 | report_len = hid_report_len(r); |
da10bc25 MM |
967 | buf = hid_alloc_report_buf(r, GFP_KERNEL); |
968 | if (!buf) { | |
969 | hid_err(hdev, "failed to allocate buffer for report\n"); | |
970 | return; | |
971 | } | |
972 | hid_hw_raw_request(hdev, r->id, buf, report_len, | |
973 | HID_FEATURE_REPORT, | |
974 | HID_REQ_GET_REPORT); | |
975 | kfree(buf); | |
976 | } | |
9abebedb | 977 | r->field[0]->value[td->inputmode_index] = td->inputmode_value; |
d8814272 | 978 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
5519cab4 BT |
979 | } |
980 | } | |
981 | ||
31ae9bdd BT |
982 | static void mt_set_maxcontacts(struct hid_device *hdev) |
983 | { | |
984 | struct mt_device *td = hid_get_drvdata(hdev); | |
985 | struct hid_report *r; | |
986 | struct hid_report_enum *re; | |
987 | int fieldmax, max; | |
988 | ||
989 | if (td->maxcontact_report_id < 0) | |
990 | return; | |
991 | ||
992 | if (!td->mtclass.maxcontacts) | |
993 | return; | |
994 | ||
995 | re = &hdev->report_enum[HID_FEATURE_REPORT]; | |
996 | r = re->report_id_hash[td->maxcontact_report_id]; | |
997 | if (r) { | |
998 | max = td->mtclass.maxcontacts; | |
999 | fieldmax = r->field[0]->logical_maximum; | |
1000 | max = min(fieldmax, max); | |
1001 | if (r->field[0]->value[0] != max) { | |
1002 | r->field[0]->value[0] = max; | |
d8814272 | 1003 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
31ae9bdd BT |
1004 | } |
1005 | } | |
1006 | } | |
1007 | ||
4fa3a583 HR |
1008 | static void mt_post_parse_default_settings(struct mt_device *td) |
1009 | { | |
1010 | __s32 quirks = td->mtclass.quirks; | |
1011 | ||
1012 | /* unknown serial device needs special quirks */ | |
1013 | if (td->touches_by_report == 1) { | |
1014 | quirks |= MT_QUIRK_ALWAYS_VALID; | |
1015 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
1016 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
1017 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 1018 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
1019 | } |
1020 | ||
1021 | td->mtclass.quirks = quirks; | |
1022 | } | |
1023 | ||
3ac36d15 BT |
1024 | static void mt_post_parse(struct mt_device *td) |
1025 | { | |
1026 | struct mt_fields *f = td->fields; | |
c2517f62 | 1027 | struct mt_class *cls = &td->mtclass; |
3ac36d15 BT |
1028 | |
1029 | if (td->touches_by_report > 0) { | |
1030 | int field_count_per_touch = f->length / td->touches_by_report; | |
1031 | td->last_slot_field = f->usages[field_count_per_touch - 1]; | |
1032 | } | |
c2517f62 | 1033 | |
7e3cc447 | 1034 | if (td->cc_index < 0) |
c2517f62 | 1035 | cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
1036 | } |
1037 | ||
b2c68a2f | 1038 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
1039 | { |
1040 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
1041 | char *name; |
1042 | const char *suffix = NULL; | |
6aef704e | 1043 | struct hid_field *field = hi->report->field[0]; |
b2c68a2f | 1044 | int ret; |
76f5902a | 1045 | |
b2c68a2f DT |
1046 | if (hi->report->id == td->mt_report_id) { |
1047 | ret = mt_touch_input_configured(hdev, hi); | |
1048 | if (ret) | |
1049 | return ret; | |
1050 | } | |
76f5902a | 1051 | |
6aef704e BT |
1052 | /* |
1053 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1054 | * for the stylus. Check this first, and then rely on the application | |
1055 | * field. | |
1056 | */ | |
c08d46aa BT |
1057 | if (hi->report->field[0]->physical == HID_DG_STYLUS) { |
1058 | suffix = "Pen"; | |
e55f6200 BT |
1059 | /* force BTN_STYLUS to allow tablet matching in udev */ |
1060 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
6aef704e BT |
1061 | } else { |
1062 | switch (field->application) { | |
1063 | case HID_GD_KEYBOARD: | |
1064 | suffix = "Keyboard"; | |
1065 | break; | |
1066 | case HID_GD_KEYPAD: | |
1067 | suffix = "Keypad"; | |
1068 | break; | |
1069 | case HID_GD_MOUSE: | |
1070 | suffix = "Mouse"; | |
1071 | break; | |
1072 | case HID_DG_STYLUS: | |
1073 | suffix = "Pen"; | |
1074 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1075 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1076 | break; | |
1077 | case HID_DG_TOUCHSCREEN: | |
1078 | /* we do not set suffix = "Touchscreen" */ | |
1079 | break; | |
dc425a1c MW |
1080 | case HID_DG_TOUCHPAD: |
1081 | suffix = "Touchpad"; | |
1082 | break; | |
6aef704e BT |
1083 | case HID_GD_SYSTEM_CONTROL: |
1084 | suffix = "System Control"; | |
1085 | break; | |
1086 | case HID_CP_CONSUMER_CONTROL: | |
1087 | suffix = "Consumer Control"; | |
1088 | break; | |
1089 | default: | |
1090 | suffix = "UNKNOWN"; | |
1091 | break; | |
1092 | } | |
c08d46aa BT |
1093 | } |
1094 | ||
1095 | if (suffix) { | |
1096 | name = devm_kzalloc(&hi->input->dev, | |
1097 | strlen(hdev->name) + strlen(suffix) + 2, | |
1098 | GFP_KERNEL); | |
1099 | if (name) { | |
1100 | sprintf(name, "%s %s", hdev->name, suffix); | |
1101 | hi->input->name = name; | |
1102 | } | |
1103 | } | |
b2c68a2f DT |
1104 | |
1105 | return 0; | |
76f5902a HR |
1106 | } |
1107 | ||
f3287a99 BT |
1108 | static void mt_fix_const_field(struct hid_field *field, unsigned int usage) |
1109 | { | |
1110 | if (field->usage[0].hid != usage || | |
1111 | !(field->flags & HID_MAIN_ITEM_CONSTANT)) | |
1112 | return; | |
1113 | ||
1114 | field->flags &= ~HID_MAIN_ITEM_CONSTANT; | |
1115 | field->flags |= HID_MAIN_ITEM_VARIABLE; | |
1116 | } | |
1117 | ||
1118 | static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) | |
1119 | { | |
1120 | struct hid_report *report; | |
1121 | int i; | |
1122 | ||
1123 | list_for_each_entry(report, | |
1124 | &hdev->report_enum[HID_INPUT_REPORT].report_list, | |
1125 | list) { | |
1126 | ||
1127 | if (!report->maxfield) | |
1128 | continue; | |
1129 | ||
1130 | for (i = 0; i < report->maxfield; i++) | |
1131 | if (report->field[i]->maxusage >= 1) | |
1132 | mt_fix_const_field(report->field[i], usage); | |
1133 | } | |
1134 | } | |
1135 | ||
5519cab4 BT |
1136 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1137 | { | |
2d93666e | 1138 | int ret, i; |
5519cab4 | 1139 | struct mt_device *td; |
2d93666e BT |
1140 | struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
1141 | ||
94b5485c HR |
1142 | for (i = 0; mt_classes[i].name ; i++) { |
1143 | if (id->driver_data == mt_classes[i].name) { | |
1144 | mtclass = &(mt_classes[i]); | |
1145 | break; | |
2d93666e BT |
1146 | } |
1147 | } | |
5519cab4 | 1148 | |
c08d46aa | 1149 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1150 | if (!td) { |
1151 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1152 | return -ENOMEM; | |
1153 | } | |
eec29e3d | 1154 | td->mtclass = *mtclass; |
5519cab4 | 1155 | td->inputmode = -1; |
31ae9bdd | 1156 | td->maxcontact_report_id = -1; |
9abebedb | 1157 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
7e3cc447 | 1158 | td->cc_index = -1; |
fa11aa72 | 1159 | td->mt_report_id = -1; |
5519cab4 BT |
1160 | hid_set_drvdata(hdev, td); |
1161 | ||
c08d46aa BT |
1162 | td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields), |
1163 | GFP_KERNEL); | |
3ac36d15 BT |
1164 | if (!td->fields) { |
1165 | dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); | |
c08d46aa | 1166 | return -ENOMEM; |
3ac36d15 BT |
1167 | } |
1168 | ||
76f5902a HR |
1169 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1170 | td->serial_maybe = true; | |
1171 | ||
b897f6db BT |
1172 | /* |
1173 | * Store the initial quirk state | |
1174 | */ | |
1175 | td->initial_quirks = hdev->quirks; | |
1176 | ||
1177 | /* This allows the driver to correctly support devices | |
1178 | * that emit events over several HID messages. | |
1179 | */ | |
1180 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
1181 | ||
1182 | /* | |
1183 | * This allows the driver to handle different input sensors | |
1184 | * that emits events through different reports on the same HID | |
1185 | * device. | |
1186 | */ | |
1187 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; | |
1188 | hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT; | |
1189 | ||
1190 | /* | |
1191 | * Some multitouch screens do not like to be polled for input | |
1192 | * reports. Fortunately, the Win8 spec says that all touches | |
1193 | * should be sent during each report, making the initialization | |
1194 | * of input reports unnecessary. For Win7 devices, well, let's hope | |
1195 | * they will still be happy (this is only be a problem if a touch | |
1196 | * was already there while probing the device). | |
1197 | * | |
1198 | * In addition some touchpads do not behave well if we read | |
1199 | * all feature reports from them. Instead we prevent | |
1200 | * initial report fetching and then selectively fetch each | |
1201 | * report we are interested in. | |
1202 | */ | |
1203 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; | |
1204 | ||
5519cab4 BT |
1205 | ret = hid_parse(hdev); |
1206 | if (ret != 0) | |
c08d46aa | 1207 | return ret; |
5519cab4 | 1208 | |
f3287a99 BT |
1209 | if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) |
1210 | mt_fix_const_fields(hdev, HID_DG_CONTACTID); | |
1211 | ||
5519cab4 | 1212 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
2d93666e | 1213 | if (ret) |
c08d46aa | 1214 | return ret; |
5519cab4 | 1215 | |
eec29e3d | 1216 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1217 | if (ret) |
1218 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1219 | hdev->name); | |
eec29e3d | 1220 | |
31ae9bdd | 1221 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1222 | mt_set_input_mode(hdev); |
1223 | ||
c08d46aa BT |
1224 | /* release .fields memory as it is not used anymore */ |
1225 | devm_kfree(&hdev->dev, td->fields); | |
3ac36d15 BT |
1226 | td->fields = NULL; |
1227 | ||
5519cab4 | 1228 | return 0; |
5519cab4 BT |
1229 | } |
1230 | ||
1231 | #ifdef CONFIG_PM | |
d3e69b9a BL |
1232 | static void mt_release_contacts(struct hid_device *hid) |
1233 | { | |
1234 | struct hid_input *hidinput; | |
1235 | ||
1236 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1237 | struct input_dev *input_dev = hidinput->input; | |
1238 | struct input_mt *mt = input_dev->mt; | |
1239 | int i; | |
1240 | ||
1241 | if (mt) { | |
1242 | for (i = 0; i < mt->num_slots; i++) { | |
1243 | input_mt_slot(input_dev, i); | |
1244 | input_mt_report_slot_state(input_dev, | |
1245 | MT_TOOL_FINGER, | |
1246 | false); | |
1247 | } | |
0a0f5b7e | 1248 | input_mt_sync_frame(input_dev); |
d3e69b9a BL |
1249 | input_sync(input_dev); |
1250 | } | |
1251 | } | |
1252 | } | |
1253 | ||
5519cab4 BT |
1254 | static int mt_reset_resume(struct hid_device *hdev) |
1255 | { | |
d3e69b9a | 1256 | mt_release_contacts(hdev); |
31ae9bdd | 1257 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1258 | mt_set_input_mode(hdev); |
1259 | return 0; | |
1260 | } | |
dfeefd10 SL |
1261 | |
1262 | static int mt_resume(struct hid_device *hdev) | |
1263 | { | |
dfeefd10 SL |
1264 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1265 | * It should be safe to send it to other devices too. | |
1266 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1267 | ||
4ba25d3f | 1268 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 SL |
1269 | |
1270 | return 0; | |
1271 | } | |
5519cab4 BT |
1272 | #endif |
1273 | ||
1274 | static void mt_remove(struct hid_device *hdev) | |
1275 | { | |
b897f6db BT |
1276 | struct mt_device *td = hid_get_drvdata(hdev); |
1277 | ||
eec29e3d | 1278 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1279 | hid_hw_stop(hdev); |
b897f6db | 1280 | hdev->quirks = td->initial_quirks; |
5519cab4 BT |
1281 | } |
1282 | ||
0fa9c616 BT |
1283 | /* |
1284 | * This list contains only: | |
1285 | * - VID/PID of products not working with the default multitouch handling | |
1286 | * - 2 generic rules. | |
1287 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1288 | */ | |
5519cab4 BT |
1289 | static const struct hid_device_id mt_devices[] = { |
1290 | ||
f786bba4 BT |
1291 | /* 3M panels */ |
1292 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1293 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1294 | USB_DEVICE_ID_3M1968) }, |
1295 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1296 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1297 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1298 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1299 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1300 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1301 | |
504c932c MO |
1302 | /* Alps devices */ |
1303 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1304 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1305 | USB_VENDOR_ID_ALPS_JP, | |
1306 | HID_DEVICE_ID_ALPS_U1_DUAL_PTP) }, | |
1307 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1308 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1309 | USB_VENDOR_ID_ALPS_JP, | |
1310 | HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) }, | |
1311 | ||
6aef704e BT |
1312 | /* Anton devices */ |
1313 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1314 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1315 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1316 | |
b1057124 | 1317 | /* Atmel panels */ |
841cb157 | 1318 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1319 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1320 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1321 | |
9ed32695 | 1322 | /* Baanto multitouch devices */ |
dc3e1d80 | 1323 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1324 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1325 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1326 | |
a841b62c BT |
1327 | /* Cando panels */ |
1328 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1329 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1330 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1331 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1332 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1333 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1334 | ||
942fd422 | 1335 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1336 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1337 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1338 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1339 | ||
070f63b4 YB |
1340 | /* CJTouch panels */ |
1341 | { .driver_data = MT_CLS_NSMU, | |
1342 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1343 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1344 | { .driver_data = MT_CLS_NSMU, | |
1345 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1346 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1347 | ||
79603dc9 | 1348 | /* CVTouch panels */ |
dc3e1d80 | 1349 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1350 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1351 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1352 | ||
22408283 | 1353 | /* eGalax devices (resistive) */ |
e36f690b | 1354 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1355 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1356 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1357 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1358 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1359 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1360 | |
1361 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1362 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1363 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1364 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1365 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1366 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1367 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1368 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1369 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1370 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1371 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1372 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1373 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1374 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1375 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1376 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1377 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1378 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1379 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1380 | { .driver_data = MT_CLS_EGALAX, |
1381 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1382 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1383 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1384 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1385 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1386 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1387 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1388 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1389 | { .driver_data = MT_CLS_EGALAX, |
1390 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1391 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1392 | { .driver_data = MT_CLS_EGALAX, | |
1393 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1394 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1395 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1396 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1397 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1398 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1399 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1400 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1401 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1402 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1403 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1404 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1405 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1406 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1407 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1408 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1409 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
22408283 | 1410 | |
7c7606a2 TS |
1411 | /* Elitegroup panel */ |
1412 | { .driver_data = MT_CLS_SERIAL, | |
1413 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
1414 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
1415 | ||
77723e3b HR |
1416 | /* Flatfrog Panels */ |
1417 | { .driver_data = MT_CLS_FLATFROG, | |
1418 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
1419 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
1420 | ||
3db187e7 BT |
1421 | /* FocalTech Panels */ |
1422 | { .driver_data = MT_CLS_SERIAL, | |
1423 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
1424 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
1425 | ||
5572da08 | 1426 | /* GeneralTouch panel */ |
f5ff4e1e | 1427 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 1428 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 1429 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
1430 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1431 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1432 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
1433 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1434 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1435 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
1436 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1437 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1438 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
1439 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1440 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1441 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
1442 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1443 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1444 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
1445 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1446 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1447 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 1448 | |
4d5df5d1 | 1449 | /* Gametel game controller */ |
dc3e1d80 | 1450 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1451 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
1452 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1453 | ||
ee0fbd14 | 1454 | /* GoodTouch panels */ |
dc3e1d80 | 1455 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1456 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
1457 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1458 | ||
54580365 BT |
1459 | /* Hanvon panels */ |
1460 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 1461 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
1462 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1463 | ||
4e61f0d7 | 1464 | /* Ilitek dual touch panel */ |
dc3e1d80 | 1465 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1466 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
1467 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1468 | ||
f3287a99 BT |
1469 | /* LG Melfas panel */ |
1470 | { .driver_data = MT_CLS_LG, | |
1471 | HID_USB_DEVICE(USB_VENDOR_ID_LG, | |
1472 | USB_DEVICE_ID_LG_MELFAS_MT) }, | |
1473 | ||
4a6ee685 BT |
1474 | /* MosArt panels */ |
1475 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1476 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1477 | USB_DEVICE_ID_ASUS_T91MT)}, |
1478 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1479 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1480 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1481 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1482 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
1483 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1484 | ||
2258e863 DK |
1485 | /* Panasonic panels */ |
1486 | { .driver_data = MT_CLS_PANASONIC, | |
2c2110e9 | 1487 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
2258e863 DK |
1488 | USB_DEVICE_ID_PANABOARD_UBT780) }, |
1489 | { .driver_data = MT_CLS_PANASONIC, | |
2c2110e9 | 1490 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
2258e863 DK |
1491 | USB_DEVICE_ID_PANABOARD_UBT880) }, |
1492 | ||
4db703ea | 1493 | /* Novatek Panel */ |
dc3e1d80 | 1494 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 1495 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
1496 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1497 | ||
a80e803a BT |
1498 | /* Ntrig Panel */ |
1499 | { .driver_data = MT_CLS_NSMU, | |
1500 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1501 | USB_VENDOR_ID_NTRIG, 0x1b05) }, | |
1502 | ||
b7ea95ff AT |
1503 | /* PixArt optical touch screen */ |
1504 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1505 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1506 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1507 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1508 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1509 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1510 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1511 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1512 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1513 | ||
5519cab4 | 1514 | /* PixCir-based panels */ |
1e9cf35b | 1515 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 1516 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
1517 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1518 | ||
5e7ea11f | 1519 | /* Quanta-based panels */ |
5e7ea11f | 1520 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 1521 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 1522 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 1523 | |
043b403a | 1524 | /* Stantum panels */ |
bf5af9b5 | 1525 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 1526 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 1527 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 1528 | |
847672cd BT |
1529 | /* TopSeed panels */ |
1530 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 1531 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
1532 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1533 | ||
5e74e56d | 1534 | /* Touch International panels */ |
dc3e1d80 | 1535 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1536 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
1537 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1538 | ||
617b64f9 | 1539 | /* Unitec panels */ |
dc3e1d80 | 1540 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1541 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1542 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 1543 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1544 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1545 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 1546 | |
da10bc25 MM |
1547 | /* VTL panels */ |
1548 | { .driver_data = MT_CLS_VTL, | |
1549 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
1550 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
1551 | ||
bf9d121e KC |
1552 | /* Wistron panels */ |
1553 | { .driver_data = MT_CLS_NSMU, | |
1554 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
1555 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
1556 | ||
bc8a2a9b | 1557 | /* XAT */ |
dc3e1d80 | 1558 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1559 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 1560 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 1561 | |
11576c61 | 1562 | /* Xiroku */ |
dc3e1d80 | 1563 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1564 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1565 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 1566 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1567 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1568 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 1569 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1570 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1571 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 1572 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1573 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1574 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 1575 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1576 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1577 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 1578 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1579 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1580 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 1581 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1582 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1583 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 1584 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1585 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1586 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 1587 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1588 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
1589 | USB_DEVICE_ID_XIROKU_CSR2) }, |
1590 | ||
4fa3a583 HR |
1591 | /* Generic MT device */ |
1592 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
1593 | |
1594 | /* Generic Win 8 certified MT device */ | |
1595 | { .driver_data = MT_CLS_WIN_8, | |
1596 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
1597 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
1598 | { } |
1599 | }; | |
1600 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
1601 | ||
1602 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
1603 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
1604 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
1605 | }; | |
1606 | ||
1607 | static struct hid_driver mt_driver = { | |
1608 | .name = "hid-multitouch", | |
1609 | .id_table = mt_devices, | |
1610 | .probe = mt_probe, | |
1611 | .remove = mt_remove, | |
1612 | .input_mapping = mt_input_mapping, | |
1613 | .input_mapped = mt_input_mapped, | |
76f5902a | 1614 | .input_configured = mt_input_configured, |
5519cab4 BT |
1615 | .feature_mapping = mt_feature_mapping, |
1616 | .usage_table = mt_grabbed_usages, | |
1617 | .event = mt_event, | |
55978fa9 | 1618 | .report = mt_report, |
5519cab4 BT |
1619 | #ifdef CONFIG_PM |
1620 | .reset_resume = mt_reset_resume, | |
dfeefd10 | 1621 | .resume = mt_resume, |
5519cab4 BT |
1622 | #endif |
1623 | }; | |
f425458e | 1624 | module_hid_driver(mt_driver); |