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) | |
a062cc5a | 64 | #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8) |
77723e3b | 65 | #define MT_QUIRK_NO_AREA (1 << 9) |
28728399 | 66 | #define MT_QUIRK_IGNORE_DUPLICATES (1 << 10) |
9b3bb9b8 | 67 | #define MT_QUIRK_HOVERING (1 << 11) |
c2517f62 | 68 | #define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12) |
da10bc25 | 69 | #define MT_QUIRK_FORCE_GET_FEATURE (1 << 13) |
5519cab4 | 70 | |
9abebedb AD |
71 | #define MT_INPUTMODE_TOUCHSCREEN 0x02 |
72 | #define MT_INPUTMODE_TOUCHPAD 0x03 | |
73 | ||
2c6e0277 SF |
74 | #define MT_BUTTONTYPE_CLICKPAD 0 |
75 | ||
5519cab4 | 76 | struct mt_slot { |
349fd670 | 77 | __s32 x, y, cx, cy, p, w, h; |
5519cab4 BT |
78 | __s32 contactid; /* the device ContactID assigned to this slot */ |
79 | bool touch_state; /* is the touch valid? */ | |
9b3bb9b8 | 80 | bool inrange_state; /* is the finger in proximity of the sensor? */ |
5519cab4 BT |
81 | }; |
82 | ||
eec29e3d BT |
83 | struct mt_class { |
84 | __s32 name; /* MT_CLS */ | |
85 | __s32 quirks; | |
86 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
87 | __s32 sn_width; /* Signal/noise ratio for width events */ | |
88 | __s32 sn_height; /* Signal/noise ratio for height events */ | |
89 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
90 | __u8 maxcontacts; | |
c2ef8f21 | 91 | bool is_indirect; /* true for touchpads */ |
6aef704e | 92 | bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ |
eec29e3d BT |
93 | }; |
94 | ||
3ac36d15 BT |
95 | struct mt_fields { |
96 | unsigned usages[HID_MAX_FIELDS]; | |
97 | unsigned int length; | |
98 | }; | |
99 | ||
5519cab4 BT |
100 | struct mt_device { |
101 | struct mt_slot curdata; /* placeholder of incoming data */ | |
eec29e3d | 102 | struct mt_class mtclass; /* our mt device class */ |
3ac36d15 BT |
103 | struct mt_fields *fields; /* temporary placeholder for storing the |
104 | multitouch fields */ | |
7e3cc447 BT |
105 | int cc_index; /* contact count field index in the report */ |
106 | int cc_value_index; /* contact count value index in the field */ | |
5519cab4 | 107 | unsigned last_slot_field; /* the last field of a slot */ |
55978fa9 | 108 | unsigned mt_report_id; /* the report ID of the multitouch device */ |
8821f5dc BT |
109 | __s16 inputmode; /* InputMode HID feature, -1 if non-existent */ |
110 | __s16 inputmode_index; /* InputMode HID feature index in the report */ | |
111 | __s16 maxcontact_report_id; /* Maximum Contact Number HID feature, | |
31ae9bdd | 112 | -1 if non-existent */ |
9abebedb | 113 | __u8 inputmode_value; /* InputMode HID feature value */ |
5519cab4 BT |
114 | __u8 num_received; /* how many contacts we received */ |
115 | __u8 num_expected; /* expected last contact index */ | |
9498f954 | 116 | __u8 maxcontacts; |
9e87f22a BT |
117 | __u8 touches_by_report; /* how many touches are present in one report: |
118 | * 1 means we should use a serial protocol | |
119 | * > 1 means hybrid (multitouch) protocol */ | |
015fdaa9 | 120 | __u8 buttons_count; /* number of physical buttons per touchpad */ |
2c6e0277 | 121 | bool is_buttonpad; /* is this device a button pad? */ |
76f5902a | 122 | bool serial_maybe; /* need to check for serial protocol */ |
5519cab4 | 123 | bool curvalid; /* is the current contact valid? */ |
76f5902a | 124 | unsigned mt_flags; /* flags to pass to input-mt */ |
5519cab4 BT |
125 | }; |
126 | ||
a69c5f8b BT |
127 | static void mt_post_parse_default_settings(struct mt_device *td); |
128 | static void mt_post_parse(struct mt_device *td); | |
129 | ||
5519cab4 | 130 | /* classes of device behavior */ |
22408283 BT |
131 | #define MT_CLS_DEFAULT 0x0001 |
132 | ||
a062cc5a SC |
133 | #define MT_CLS_SERIAL 0x0002 |
134 | #define MT_CLS_CONFIDENCE 0x0003 | |
5e7ea11f BT |
135 | #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
136 | #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 | |
137 | #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 | |
138 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 | |
0fa9c616 | 139 | /* reserved 0x0008 */ |
b7ea95ff | 140 | #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
dc3e1d80 | 141 | #define MT_CLS_NSMU 0x000a |
0fa9c616 BT |
142 | /* reserved 0x0010 */ |
143 | /* reserved 0x0011 */ | |
f961bd35 | 144 | #define MT_CLS_WIN_8 0x0012 |
6aef704e | 145 | #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 |
22408283 BT |
146 | |
147 | /* vendor specific classes */ | |
148 | #define MT_CLS_3M 0x0101 | |
0fa9c616 | 149 | /* reserved 0x0102 */ |
22408283 | 150 | #define MT_CLS_EGALAX 0x0103 |
1b723e8d | 151 | #define MT_CLS_EGALAX_SERIAL 0x0104 |
847672cd | 152 | #define MT_CLS_TOPSEED 0x0105 |
2258e863 | 153 | #define MT_CLS_PANASONIC 0x0106 |
77723e3b | 154 | #define MT_CLS_FLATFROG 0x0107 |
cdcd3ac4 JK |
155 | #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
156 | #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 | |
da10bc25 | 157 | #define MT_CLS_VTL 0x0110 |
5519cab4 | 158 | |
9498f954 | 159 | #define MT_DEFAULT_MAXCONTACT 10 |
afbcb04c | 160 | #define MT_MAX_MAXCONTACT 250 |
9498f954 | 161 | |
2c2110e9 HR |
162 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
163 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) | |
164 | ||
5519cab4 BT |
165 | /* |
166 | * these device-dependent functions determine what slot corresponds | |
167 | * to a valid contact that was just read. | |
168 | */ | |
169 | ||
a3b5e577 BT |
170 | static int cypress_compute_slot(struct mt_device *td) |
171 | { | |
172 | if (td->curdata.contactid != 0 || td->num_received == 0) | |
173 | return td->curdata.contactid; | |
174 | else | |
175 | return -1; | |
176 | } | |
177 | ||
b3c21d2c | 178 | static struct mt_class mt_classes[] = { |
2d93666e | 179 | { .name = MT_CLS_DEFAULT, |
dc3e1d80 BT |
180 | .quirks = MT_QUIRK_ALWAYS_VALID | |
181 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
182 | { .name = MT_CLS_NSMU, | |
9498f954 | 183 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
a062cc5a SC |
184 | { .name = MT_CLS_SERIAL, |
185 | .quirks = MT_QUIRK_ALWAYS_VALID}, | |
22408283 BT |
186 | { .name = MT_CLS_CONFIDENCE, |
187 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, | |
5e7ea11f BT |
188 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
189 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
190 | MT_QUIRK_SLOT_IS_CONTACTID }, | |
22408283 BT |
191 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
192 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
193 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, | |
1e9cf35b | 194 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
195 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
196 | MT_QUIRK_SLOT_IS_CONTACTID, | |
197 | .maxcontacts = 2 }, | |
1e9cf35b | 198 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
199 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
200 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
201 | .maxcontacts = 2 }, | |
b7ea95ff AT |
202 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
203 | .quirks = MT_QUIRK_VALID_IS_INRANGE | | |
204 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, | |
f961bd35 BT |
205 | { .name = MT_CLS_WIN_8, |
206 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
207 | MT_QUIRK_IGNORE_DUPLICATES | | |
208 | MT_QUIRK_HOVERING | | |
209 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
6aef704e BT |
210 | { .name = MT_CLS_EXPORT_ALL_INPUTS, |
211 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
212 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
213 | .export_all_inputs = true }, | |
22408283 BT |
214 | |
215 | /* | |
216 | * vendor specific classes | |
217 | */ | |
218 | { .name = MT_CLS_3M, | |
219 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
220 | MT_QUIRK_SLOT_IS_CONTACTID, | |
221 | .sn_move = 2048, | |
222 | .sn_width = 128, | |
c5d40be5 HR |
223 | .sn_height = 128, |
224 | .maxcontacts = 60, | |
225 | }, | |
4875ac11 RN |
226 | { .name = MT_CLS_EGALAX, |
227 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
2261bb9f | 228 | MT_QUIRK_VALID_IS_INRANGE, |
4875ac11 RN |
229 | .sn_move = 4096, |
230 | .sn_pressure = 32, | |
231 | }, | |
1b723e8d BT |
232 | { .name = MT_CLS_EGALAX_SERIAL, |
233 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
234 | MT_QUIRK_ALWAYS_VALID, | |
4875ac11 RN |
235 | .sn_move = 4096, |
236 | .sn_pressure = 32, | |
237 | }, | |
847672cd BT |
238 | { .name = MT_CLS_TOPSEED, |
239 | .quirks = MT_QUIRK_ALWAYS_VALID, | |
240 | .is_indirect = true, | |
241 | .maxcontacts = 2, | |
242 | }, | |
2258e863 DK |
243 | { .name = MT_CLS_PANASONIC, |
244 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, | |
245 | .maxcontacts = 4 }, | |
f5ff4e1e XY |
246 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
247 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
248 | MT_QUIRK_VALID_IS_INRANGE | | |
7b226292 | 249 | MT_QUIRK_SLOT_IS_CONTACTID, |
f5ff4e1e XY |
250 | .maxcontacts = 2 |
251 | }, | |
252 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
253 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
7b226292 | 254 | MT_QUIRK_SLOT_IS_CONTACTID |
f5ff4e1e | 255 | }, |
043b403a | 256 | |
77723e3b HR |
257 | { .name = MT_CLS_FLATFROG, |
258 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
259 | MT_QUIRK_NO_AREA, | |
260 | .sn_move = 2048, | |
261 | .maxcontacts = 40, | |
262 | }, | |
da10bc25 MM |
263 | { .name = MT_CLS_VTL, |
264 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
265 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
266 | MT_QUIRK_FORCE_GET_FEATURE, | |
267 | }, | |
2d93666e | 268 | { } |
5519cab4 BT |
269 | }; |
270 | ||
eec29e3d BT |
271 | static ssize_t mt_show_quirks(struct device *dev, |
272 | struct device_attribute *attr, | |
273 | char *buf) | |
274 | { | |
ee79a8f8 | 275 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
276 | struct mt_device *td = hid_get_drvdata(hdev); |
277 | ||
278 | return sprintf(buf, "%u\n", td->mtclass.quirks); | |
279 | } | |
280 | ||
281 | static ssize_t mt_set_quirks(struct device *dev, | |
282 | struct device_attribute *attr, | |
283 | const char *buf, size_t count) | |
284 | { | |
ee79a8f8 | 285 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
286 | struct mt_device *td = hid_get_drvdata(hdev); |
287 | ||
288 | unsigned long val; | |
289 | ||
290 | if (kstrtoul(buf, 0, &val)) | |
291 | return -EINVAL; | |
292 | ||
293 | td->mtclass.quirks = val; | |
294 | ||
7e3cc447 | 295 | if (td->cc_index < 0) |
c2517f62 BT |
296 | td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
297 | ||
eec29e3d BT |
298 | return count; |
299 | } | |
300 | ||
301 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); | |
302 | ||
303 | static struct attribute *sysfs_attrs[] = { | |
304 | &dev_attr_quirks.attr, | |
305 | NULL | |
306 | }; | |
307 | ||
308 | static struct attribute_group mt_attribute_group = { | |
309 | .attrs = sysfs_attrs | |
310 | }; | |
311 | ||
6d4f5440 MW |
312 | static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) |
313 | { | |
314 | struct mt_device *td = hid_get_drvdata(hdev); | |
315 | int ret, size = hid_report_len(report); | |
316 | u8 *buf; | |
317 | ||
318 | /* | |
319 | * Only fetch the feature report if initial reports are not already | |
320 | * been retrieved. Currently this is only done for Windows 8 touch | |
321 | * devices. | |
322 | */ | |
323 | if (!(hdev->quirks & HID_QUIRK_NO_INIT_REPORTS)) | |
324 | return; | |
325 | if (td->mtclass.name != MT_CLS_WIN_8) | |
326 | return; | |
327 | ||
328 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
329 | if (!buf) | |
330 | return; | |
331 | ||
332 | ret = hid_hw_raw_request(hdev, report->id, buf, size, | |
333 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
334 | if (ret < 0) { | |
335 | dev_warn(&hdev->dev, "failed to fetch feature %d\n", | |
336 | report->id); | |
337 | } else { | |
338 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, | |
339 | size, 0); | |
340 | if (ret) | |
341 | dev_warn(&hdev->dev, "failed to report feature\n"); | |
342 | } | |
343 | ||
344 | kfree(buf); | |
345 | } | |
346 | ||
f635bd11 | 347 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
348 | struct hid_field *field, struct hid_usage *usage) |
349 | { | |
9498f954 BT |
350 | struct mt_device *td = hid_get_drvdata(hdev); |
351 | ||
352 | switch (usage->hid) { | |
353 | case HID_DG_INPUTMODE: | |
8821f5dc BT |
354 | /* Ignore if value index is out of bounds. */ |
355 | if (usage->usage_index >= field->report_count) { | |
356 | dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); | |
357 | break; | |
4aceed37 BT |
358 | } |
359 | ||
73e7d63e BT |
360 | if (td->inputmode < 0) { |
361 | td->inputmode = field->report->id; | |
362 | td->inputmode_index = usage->usage_index; | |
363 | } else { | |
364 | /* | |
365 | * Some elan panels wrongly declare 2 input mode | |
366 | * features, and silently ignore when we set the | |
367 | * value in the second field. Skip the second feature | |
368 | * and hope for the best. | |
369 | */ | |
370 | dev_info(&hdev->dev, | |
371 | "Ignoring the extra HID_DG_INPUTMODE\n"); | |
372 | } | |
8821f5dc | 373 | |
9498f954 BT |
374 | break; |
375 | case HID_DG_CONTACTMAX: | |
6d4f5440 MW |
376 | mt_get_feature(hdev, field->report); |
377 | ||
31ae9bdd | 378 | td->maxcontact_report_id = field->report->id; |
9498f954 | 379 | td->maxcontacts = field->value[0]; |
afbcb04c BT |
380 | if (!td->maxcontacts && |
381 | field->logical_maximum <= MT_MAX_MAXCONTACT) | |
382 | td->maxcontacts = field->logical_maximum; | |
eec29e3d | 383 | if (td->mtclass.maxcontacts) |
9498f954 | 384 | /* check if the maxcontacts is given by the class */ |
eec29e3d | 385 | td->maxcontacts = td->mtclass.maxcontacts; |
9498f954 | 386 | |
2c6e0277 SF |
387 | break; |
388 | case HID_DG_BUTTONTYPE: | |
389 | if (usage->usage_index >= field->report_count) { | |
390 | dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); | |
391 | break; | |
392 | } | |
393 | ||
6d4f5440 | 394 | mt_get_feature(hdev, field->report); |
2c6e0277 SF |
395 | if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) |
396 | td->is_buttonpad = true; | |
397 | ||
9498f954 | 398 | break; |
45c5c682 BT |
399 | case 0xff0000c5: |
400 | /* Retrieve the Win8 blob once to enable some devices */ | |
401 | if (usage->usage_index == 0) | |
402 | mt_get_feature(hdev, field->report); | |
403 | break; | |
5519cab4 BT |
404 | } |
405 | } | |
406 | ||
407 | static void set_abs(struct input_dev *input, unsigned int code, | |
408 | struct hid_field *field, int snratio) | |
409 | { | |
410 | int fmin = field->logical_minimum; | |
411 | int fmax = field->logical_maximum; | |
412 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
413 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
37cf6e6f | 414 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
5519cab4 BT |
415 | } |
416 | ||
3ac36d15 | 417 | static void mt_store_field(struct hid_usage *usage, struct mt_device *td, |
ed9d5c96 BT |
418 | struct hid_input *hi) |
419 | { | |
3ac36d15 BT |
420 | struct mt_fields *f = td->fields; |
421 | ||
422 | if (f->length >= HID_MAX_FIELDS) | |
423 | return; | |
424 | ||
425 | f->usages[f->length++] = usage->hid; | |
ed9d5c96 BT |
426 | } |
427 | ||
a69c5f8b | 428 | static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 BT |
429 | struct hid_field *field, struct hid_usage *usage, |
430 | unsigned long **bit, int *max) | |
431 | { | |
432 | struct mt_device *td = hid_get_drvdata(hdev); | |
eec29e3d | 433 | struct mt_class *cls = &td->mtclass; |
c2ef8f21 | 434 | int code; |
349fd670 | 435 | struct hid_usage *prev_usage = NULL; |
4875ac11 | 436 | |
658d4aed | 437 | if (field->application == HID_DG_TOUCHSCREEN) |
76f5902a | 438 | td->mt_flags |= INPUT_MT_DIRECT; |
658d4aed | 439 | |
76f5902a HR |
440 | /* |
441 | * Model touchscreens providing buttons as touchpads. | |
c2ef8f21 BT |
442 | */ |
443 | if (field->application == HID_DG_TOUCHPAD || | |
9abebedb | 444 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
76f5902a | 445 | td->mt_flags |= INPUT_MT_POINTER; |
9abebedb AD |
446 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
447 | } | |
c2ef8f21 | 448 | |
015fdaa9 BT |
449 | /* count the buttons on touchpads */ |
450 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
451 | td->buttons_count++; | |
452 | ||
349fd670 BT |
453 | if (usage->usage_index) |
454 | prev_usage = &field->usage[usage->usage_index - 1]; | |
455 | ||
5519cab4 BT |
456 | switch (usage->hid & HID_USAGE_PAGE) { |
457 | ||
458 | case HID_UP_GENDESK: | |
459 | switch (usage->hid) { | |
460 | case HID_GD_X: | |
349fd670 BT |
461 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
462 | hid_map_usage(hi, usage, bit, max, | |
463 | EV_ABS, ABS_MT_TOOL_X); | |
464 | set_abs(hi->input, ABS_MT_TOOL_X, field, | |
465 | cls->sn_move); | |
466 | } else { | |
467 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 468 | EV_ABS, ABS_MT_POSITION_X); |
349fd670 BT |
469 | set_abs(hi->input, ABS_MT_POSITION_X, field, |
470 | cls->sn_move); | |
471 | } | |
472 | ||
3ac36d15 | 473 | mt_store_field(usage, td, hi); |
5519cab4 BT |
474 | return 1; |
475 | case HID_GD_Y: | |
349fd670 BT |
476 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
477 | hid_map_usage(hi, usage, bit, max, | |
478 | EV_ABS, ABS_MT_TOOL_Y); | |
479 | set_abs(hi->input, ABS_MT_TOOL_Y, field, | |
480 | cls->sn_move); | |
481 | } else { | |
482 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 483 | EV_ABS, ABS_MT_POSITION_Y); |
349fd670 BT |
484 | set_abs(hi->input, ABS_MT_POSITION_Y, field, |
485 | cls->sn_move); | |
486 | } | |
487 | ||
3ac36d15 | 488 | mt_store_field(usage, td, hi); |
5519cab4 BT |
489 | return 1; |
490 | } | |
491 | return 0; | |
492 | ||
493 | case HID_UP_DIGITIZER: | |
494 | switch (usage->hid) { | |
495 | case HID_DG_INRANGE: | |
9b3bb9b8 BT |
496 | if (cls->quirks & MT_QUIRK_HOVERING) { |
497 | hid_map_usage(hi, usage, bit, max, | |
498 | EV_ABS, ABS_MT_DISTANCE); | |
499 | input_set_abs_params(hi->input, | |
500 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
501 | } | |
3ac36d15 | 502 | mt_store_field(usage, td, hi); |
5519cab4 BT |
503 | return 1; |
504 | case HID_DG_CONFIDENCE: | |
25a84db1 AH |
505 | if (cls->name == MT_CLS_WIN_8 && |
506 | field->application == HID_DG_TOUCHPAD) { | |
507 | cls->quirks &= ~MT_QUIRK_ALWAYS_VALID; | |
508 | cls->quirks |= MT_QUIRK_VALID_IS_CONFIDENCE; | |
509 | } | |
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)) { |
3e1b5015 HR |
622 | int slotnum = mt_compute_slot(td, input); |
623 | struct mt_slot *s = &td->curdata; | |
28728399 | 624 | struct input_mt *mt = input->mt; |
5519cab4 | 625 | |
3e1b5015 HR |
626 | if (slotnum < 0 || slotnum >= td->maxcontacts) |
627 | return; | |
5519cab4 | 628 | |
28728399 BT |
629 | if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { |
630 | struct input_mt_slot *slot = &mt->slots[slotnum]; | |
631 | if (input_mt_is_active(slot) && | |
632 | input_mt_is_used(mt, slot)) | |
633 | return; | |
634 | } | |
635 | ||
3e1b5015 | 636 | input_mt_slot(input, slotnum); |
5519cab4 | 637 | input_mt_report_slot_state(input, MT_TOOL_FINGER, |
9b3bb9b8 BT |
638 | s->touch_state || s->inrange_state); |
639 | if (s->touch_state || s->inrange_state) { | |
640 | /* this finger is in proximity of the sensor */ | |
f786bba4 BT |
641 | int wide = (s->w > s->h); |
642 | /* divided by two to match visual scale of touch */ | |
643 | int major = max(s->w, s->h) >> 1; | |
644 | int minor = min(s->w, s->h) >> 1; | |
645 | ||
2d93666e BT |
646 | input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
647 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); | |
349fd670 BT |
648 | input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); |
649 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); | |
9b3bb9b8 BT |
650 | input_event(input, EV_ABS, ABS_MT_DISTANCE, |
651 | !s->touch_state); | |
f786bba4 | 652 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); |
2d93666e | 653 | input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
f786bba4 BT |
654 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
655 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
2d93666e | 656 | } |
5519cab4 BT |
657 | } |
658 | ||
3e1b5015 HR |
659 | td->num_received++; |
660 | } | |
661 | ||
662 | /* | |
663 | * this function is called when a whole packet has been received and processed, | |
664 | * so that it can decide what to send to the input layer. | |
665 | */ | |
666 | static void mt_sync_frame(struct mt_device *td, struct input_dev *input) | |
667 | { | |
76f5902a | 668 | input_mt_sync_frame(input); |
5519cab4 BT |
669 | input_sync(input); |
670 | td->num_received = 0; | |
671 | } | |
672 | ||
a69c5f8b | 673 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 674 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
675 | { |
676 | /* we will handle the hidinput part later, now remains hiddev */ | |
677 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
678 | hid->hiddev_hid_event(hid, field, usage, value); | |
679 | ||
680 | return 1; | |
681 | } | |
682 | ||
683 | static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, | |
684 | struct hid_usage *usage, __s32 value) | |
5519cab4 BT |
685 | { |
686 | struct mt_device *td = hid_get_drvdata(hid); | |
eec29e3d | 687 | __s32 quirks = td->mtclass.quirks; |
4c437555 | 688 | struct input_dev *input = field->hidinput->input; |
5519cab4 | 689 | |
3e1b5015 | 690 | if (hid->claimed & HID_CLAIMED_INPUT) { |
5519cab4 BT |
691 | switch (usage->hid) { |
692 | case HID_DG_INRANGE: | |
20b60e6d | 693 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
2d93666e | 694 | td->curvalid = value; |
9b3bb9b8 BT |
695 | if (quirks & MT_QUIRK_HOVERING) |
696 | td->curdata.inrange_state = value; | |
5519cab4 BT |
697 | break; |
698 | case HID_DG_TIPSWITCH: | |
2d93666e BT |
699 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
700 | td->curvalid = value; | |
5519cab4 BT |
701 | td->curdata.touch_state = value; |
702 | break; | |
703 | case HID_DG_CONFIDENCE: | |
2d93666e BT |
704 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
705 | td->curvalid = value; | |
5519cab4 BT |
706 | break; |
707 | case HID_DG_CONTACTID: | |
708 | td->curdata.contactid = value; | |
709 | break; | |
710 | case HID_DG_TIPPRESSURE: | |
711 | td->curdata.p = value; | |
712 | break; | |
713 | case HID_GD_X: | |
349fd670 BT |
714 | if (usage->code == ABS_MT_TOOL_X) |
715 | td->curdata.cx = value; | |
716 | else | |
717 | td->curdata.x = value; | |
5519cab4 BT |
718 | break; |
719 | case HID_GD_Y: | |
349fd670 BT |
720 | if (usage->code == ABS_MT_TOOL_Y) |
721 | td->curdata.cy = value; | |
722 | else | |
723 | td->curdata.y = value; | |
5519cab4 BT |
724 | break; |
725 | case HID_DG_WIDTH: | |
726 | td->curdata.w = value; | |
727 | break; | |
728 | case HID_DG_HEIGHT: | |
729 | td->curdata.h = value; | |
730 | break; | |
731 | case HID_DG_CONTACTCOUNT: | |
5519cab4 | 732 | break; |
c2ef8f21 BT |
733 | case HID_DG_TOUCH: |
734 | /* do nothing */ | |
735 | break; | |
5519cab4 BT |
736 | |
737 | default: | |
4c437555 BT |
738 | if (usage->type) |
739 | input_event(input, usage->type, usage->code, | |
740 | value); | |
55978fa9 | 741 | return; |
5519cab4 | 742 | } |
5519cab4 | 743 | |
54f4c0c3 BT |
744 | if (usage->usage_index + 1 == field->report_count) { |
745 | /* we only take into account the last report. */ | |
746 | if (usage->hid == td->last_slot_field) | |
747 | mt_complete_slot(td, field->hidinput->input); | |
54f4c0c3 | 748 | } |
5519cab4 | 749 | |
2d93666e | 750 | } |
55978fa9 | 751 | } |
5519cab4 | 752 | |
a69c5f8b | 753 | static void mt_touch_report(struct hid_device *hid, struct hid_report *report) |
55978fa9 BT |
754 | { |
755 | struct mt_device *td = hid_get_drvdata(hid); | |
756 | struct hid_field *field; | |
757 | unsigned count; | |
758 | int r, n; | |
5519cab4 | 759 | |
c2517f62 BT |
760 | /* |
761 | * Includes multi-packet support where subsequent | |
762 | * packets are sent with zero contactcount. | |
763 | */ | |
7e3cc447 BT |
764 | if (td->cc_index >= 0) { |
765 | struct hid_field *field = report->field[td->cc_index]; | |
766 | int value = field->value[td->cc_value_index]; | |
767 | if (value) | |
768 | td->num_expected = value; | |
769 | } | |
c2517f62 | 770 | |
55978fa9 BT |
771 | for (r = 0; r < report->maxfield; r++) { |
772 | field = report->field[r]; | |
773 | count = field->report_count; | |
774 | ||
775 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
776 | continue; | |
777 | ||
778 | for (n = 0; n < count; n++) | |
779 | mt_process_mt_event(hid, field, &field->usage[n], | |
780 | field->value[n]); | |
781 | } | |
5b62efd8 BT |
782 | |
783 | if (td->num_received >= td->num_expected) | |
784 | mt_sync_frame(td, report->field[0]->hidinput->input); | |
5519cab4 BT |
785 | } |
786 | ||
b2c68a2f | 787 | static int mt_touch_input_configured(struct hid_device *hdev, |
a69c5f8b BT |
788 | struct hid_input *hi) |
789 | { | |
790 | struct mt_device *td = hid_get_drvdata(hdev); | |
791 | struct mt_class *cls = &td->mtclass; | |
792 | struct input_dev *input = hi->input; | |
b2c68a2f | 793 | int ret; |
a69c5f8b BT |
794 | |
795 | if (!td->maxcontacts) | |
796 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
797 | ||
798 | mt_post_parse(td); | |
799 | if (td->serial_maybe) | |
800 | mt_post_parse_default_settings(td); | |
801 | ||
802 | if (cls->is_indirect) | |
803 | td->mt_flags |= INPUT_MT_POINTER; | |
804 | ||
805 | if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
806 | td->mt_flags |= INPUT_MT_DROP_UNUSED; | |
807 | ||
015fdaa9 BT |
808 | /* check for clickpads */ |
809 | if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1)) | |
2c6e0277 SF |
810 | td->is_buttonpad = true; |
811 | ||
812 | if (td->is_buttonpad) | |
015fdaa9 BT |
813 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
814 | ||
b2c68a2f DT |
815 | ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags); |
816 | if (ret) | |
817 | return ret; | |
a69c5f8b BT |
818 | |
819 | td->mt_flags = 0; | |
b2c68a2f | 820 | return 0; |
a69c5f8b BT |
821 | } |
822 | ||
823 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
824 | struct hid_field *field, struct hid_usage *usage, | |
825 | unsigned long **bit, int *max) | |
826 | { | |
6aef704e BT |
827 | struct mt_device *td = hid_get_drvdata(hdev); |
828 | ||
829 | /* | |
830 | * If mtclass.export_all_inputs is not set, only map fields from | |
831 | * TouchScreen or TouchPad collections. We need to ignore fields | |
832 | * that belong to other collections such as Mouse that might have | |
833 | * the same GenericDesktop usages. | |
834 | */ | |
835 | if (!td->mtclass.export_all_inputs && | |
836 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 837 | field->application != HID_DG_PEN && |
a69c5f8b | 838 | field->application != HID_DG_TOUCHPAD) |
6f492f28 | 839 | return -1; |
a69c5f8b | 840 | |
6aef704e BT |
841 | /* |
842 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
843 | * for the stylus. | |
1cc1cc92 BA |
844 | * The check for mt_report_id ensures we don't process |
845 | * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical | |
846 | * collection, but within the report ID. | |
6aef704e | 847 | */ |
a69c5f8b | 848 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 849 | return 0; |
1cc1cc92 BA |
850 | else if ((field->physical == 0) && |
851 | (field->report->id != td->mt_report_id) && | |
852 | (td->mt_report_id != -1)) | |
853 | return 0; | |
a69c5f8b | 854 | |
6aef704e BT |
855 | if (field->application == HID_DG_TOUCHSCREEN || |
856 | field->application == HID_DG_TOUCHPAD) | |
857 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); | |
858 | ||
859 | /* let hid-core decide for the others */ | |
860 | return 0; | |
a69c5f8b BT |
861 | } |
862 | ||
863 | static int mt_input_mapped(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 | /* |
868 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
869 | * for the stylus. | |
870 | */ | |
fa11aa72 | 871 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 872 | return 0; |
fa11aa72 | 873 | |
6aef704e BT |
874 | if (field->application == HID_DG_TOUCHSCREEN || |
875 | field->application == HID_DG_TOUCHPAD) | |
876 | return mt_touch_input_mapped(hdev, hi, field, usage, bit, max); | |
877 | ||
878 | /* let hid-core decide for the others */ | |
879 | return 0; | |
a69c5f8b BT |
880 | } |
881 | ||
882 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
883 | struct hid_usage *usage, __s32 value) | |
884 | { | |
885 | struct mt_device *td = hid_get_drvdata(hid); | |
886 | ||
887 | if (field->report->id == td->mt_report_id) | |
888 | return mt_touch_event(hid, field, usage, value); | |
889 | ||
e55f6200 | 890 | return 0; |
a69c5f8b BT |
891 | } |
892 | ||
893 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
894 | { | |
895 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 896 | struct hid_field *field = report->field[0]; |
a69c5f8b BT |
897 | |
898 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
899 | return; | |
900 | ||
901 | if (report->id == td->mt_report_id) | |
e55f6200 | 902 | return mt_touch_report(hid, report); |
fa11aa72 | 903 | |
e55f6200 BT |
904 | if (field && field->hidinput && field->hidinput->input) |
905 | input_sync(field->hidinput->input); | |
5519cab4 BT |
906 | } |
907 | ||
908 | static void mt_set_input_mode(struct hid_device *hdev) | |
909 | { | |
910 | struct mt_device *td = hid_get_drvdata(hdev); | |
911 | struct hid_report *r; | |
912 | struct hid_report_enum *re; | |
da10bc25 MM |
913 | struct mt_class *cls = &td->mtclass; |
914 | char *buf; | |
915 | int report_len; | |
5519cab4 BT |
916 | |
917 | if (td->inputmode < 0) | |
918 | return; | |
919 | ||
920 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
921 | r = re->report_id_hash[td->inputmode]; | |
922 | if (r) { | |
da10bc25 | 923 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
dabb05c6 | 924 | report_len = hid_report_len(r); |
da10bc25 MM |
925 | buf = hid_alloc_report_buf(r, GFP_KERNEL); |
926 | if (!buf) { | |
927 | hid_err(hdev, "failed to allocate buffer for report\n"); | |
928 | return; | |
929 | } | |
930 | hid_hw_raw_request(hdev, r->id, buf, report_len, | |
931 | HID_FEATURE_REPORT, | |
932 | HID_REQ_GET_REPORT); | |
933 | kfree(buf); | |
934 | } | |
9abebedb | 935 | r->field[0]->value[td->inputmode_index] = td->inputmode_value; |
d8814272 | 936 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
5519cab4 BT |
937 | } |
938 | } | |
939 | ||
31ae9bdd BT |
940 | static void mt_set_maxcontacts(struct hid_device *hdev) |
941 | { | |
942 | struct mt_device *td = hid_get_drvdata(hdev); | |
943 | struct hid_report *r; | |
944 | struct hid_report_enum *re; | |
945 | int fieldmax, max; | |
946 | ||
947 | if (td->maxcontact_report_id < 0) | |
948 | return; | |
949 | ||
950 | if (!td->mtclass.maxcontacts) | |
951 | return; | |
952 | ||
953 | re = &hdev->report_enum[HID_FEATURE_REPORT]; | |
954 | r = re->report_id_hash[td->maxcontact_report_id]; | |
955 | if (r) { | |
956 | max = td->mtclass.maxcontacts; | |
957 | fieldmax = r->field[0]->logical_maximum; | |
958 | max = min(fieldmax, max); | |
959 | if (r->field[0]->value[0] != max) { | |
960 | r->field[0]->value[0] = max; | |
d8814272 | 961 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
31ae9bdd BT |
962 | } |
963 | } | |
964 | } | |
965 | ||
4fa3a583 HR |
966 | static void mt_post_parse_default_settings(struct mt_device *td) |
967 | { | |
968 | __s32 quirks = td->mtclass.quirks; | |
969 | ||
970 | /* unknown serial device needs special quirks */ | |
971 | if (td->touches_by_report == 1) { | |
972 | quirks |= MT_QUIRK_ALWAYS_VALID; | |
973 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
974 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
975 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 976 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
977 | } |
978 | ||
979 | td->mtclass.quirks = quirks; | |
980 | } | |
981 | ||
3ac36d15 BT |
982 | static void mt_post_parse(struct mt_device *td) |
983 | { | |
984 | struct mt_fields *f = td->fields; | |
c2517f62 | 985 | struct mt_class *cls = &td->mtclass; |
3ac36d15 BT |
986 | |
987 | if (td->touches_by_report > 0) { | |
988 | int field_count_per_touch = f->length / td->touches_by_report; | |
989 | td->last_slot_field = f->usages[field_count_per_touch - 1]; | |
990 | } | |
c2517f62 | 991 | |
7e3cc447 | 992 | if (td->cc_index < 0) |
c2517f62 | 993 | cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
994 | } |
995 | ||
b2c68a2f | 996 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
997 | { |
998 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
999 | char *name; |
1000 | const char *suffix = NULL; | |
6aef704e | 1001 | struct hid_field *field = hi->report->field[0]; |
b2c68a2f | 1002 | int ret; |
76f5902a | 1003 | |
b2c68a2f DT |
1004 | if (hi->report->id == td->mt_report_id) { |
1005 | ret = mt_touch_input_configured(hdev, hi); | |
1006 | if (ret) | |
1007 | return ret; | |
1008 | } | |
76f5902a | 1009 | |
6aef704e BT |
1010 | /* |
1011 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1012 | * for the stylus. Check this first, and then rely on the application | |
1013 | * field. | |
1014 | */ | |
c08d46aa BT |
1015 | if (hi->report->field[0]->physical == HID_DG_STYLUS) { |
1016 | suffix = "Pen"; | |
e55f6200 BT |
1017 | /* force BTN_STYLUS to allow tablet matching in udev */ |
1018 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
6aef704e BT |
1019 | } else { |
1020 | switch (field->application) { | |
1021 | case HID_GD_KEYBOARD: | |
1022 | suffix = "Keyboard"; | |
1023 | break; | |
1024 | case HID_GD_KEYPAD: | |
1025 | suffix = "Keypad"; | |
1026 | break; | |
1027 | case HID_GD_MOUSE: | |
1028 | suffix = "Mouse"; | |
1029 | break; | |
1030 | case HID_DG_STYLUS: | |
1031 | suffix = "Pen"; | |
1032 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1033 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1034 | break; | |
1035 | case HID_DG_TOUCHSCREEN: | |
1036 | /* we do not set suffix = "Touchscreen" */ | |
1037 | break; | |
dc425a1c MW |
1038 | case HID_DG_TOUCHPAD: |
1039 | suffix = "Touchpad"; | |
1040 | break; | |
6aef704e BT |
1041 | case HID_GD_SYSTEM_CONTROL: |
1042 | suffix = "System Control"; | |
1043 | break; | |
1044 | case HID_CP_CONSUMER_CONTROL: | |
1045 | suffix = "Consumer Control"; | |
1046 | break; | |
1047 | default: | |
1048 | suffix = "UNKNOWN"; | |
1049 | break; | |
1050 | } | |
c08d46aa BT |
1051 | } |
1052 | ||
1053 | if (suffix) { | |
1054 | name = devm_kzalloc(&hi->input->dev, | |
1055 | strlen(hdev->name) + strlen(suffix) + 2, | |
1056 | GFP_KERNEL); | |
1057 | if (name) { | |
1058 | sprintf(name, "%s %s", hdev->name, suffix); | |
1059 | hi->input->name = name; | |
1060 | } | |
1061 | } | |
b2c68a2f DT |
1062 | |
1063 | return 0; | |
76f5902a HR |
1064 | } |
1065 | ||
5519cab4 BT |
1066 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1067 | { | |
2d93666e | 1068 | int ret, i; |
5519cab4 | 1069 | struct mt_device *td; |
2d93666e BT |
1070 | struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
1071 | ||
94b5485c HR |
1072 | for (i = 0; mt_classes[i].name ; i++) { |
1073 | if (id->driver_data == mt_classes[i].name) { | |
1074 | mtclass = &(mt_classes[i]); | |
1075 | break; | |
2d93666e BT |
1076 | } |
1077 | } | |
5519cab4 | 1078 | |
d682bd7f HR |
1079 | /* This allows the driver to correctly support devices |
1080 | * that emit events over several HID messages. | |
1081 | */ | |
1082 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
5519cab4 | 1083 | |
fa11aa72 BT |
1084 | /* |
1085 | * This allows the driver to handle different input sensors | |
1086 | * that emits events through different reports on the same HID | |
1087 | * device. | |
1088 | */ | |
1089 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; | |
1090 | hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT; | |
1091 | ||
595e9276 BT |
1092 | /* |
1093 | * Handle special quirks for Windows 8 certified devices. | |
1094 | */ | |
1095 | if (id->group == HID_GROUP_MULTITOUCH_WIN_8) | |
1096 | /* | |
1097 | * Some multitouch screens do not like to be polled for input | |
1098 | * reports. Fortunately, the Win8 spec says that all touches | |
1099 | * should be sent during each report, making the initialization | |
1100 | * of input reports unnecessary. | |
6d4f5440 MW |
1101 | * |
1102 | * In addition some touchpads do not behave well if we read | |
1103 | * all feature reports from them. Instead we prevent | |
1104 | * initial report fetching and then selectively fetch each | |
1105 | * report we are interested in. | |
595e9276 | 1106 | */ |
6d4f5440 | 1107 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; |
595e9276 | 1108 | |
c08d46aa | 1109 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1110 | if (!td) { |
1111 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1112 | return -ENOMEM; | |
1113 | } | |
eec29e3d | 1114 | td->mtclass = *mtclass; |
5519cab4 | 1115 | td->inputmode = -1; |
31ae9bdd | 1116 | td->maxcontact_report_id = -1; |
9abebedb | 1117 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
7e3cc447 | 1118 | td->cc_index = -1; |
fa11aa72 | 1119 | td->mt_report_id = -1; |
5519cab4 BT |
1120 | hid_set_drvdata(hdev, td); |
1121 | ||
c08d46aa BT |
1122 | td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields), |
1123 | GFP_KERNEL); | |
3ac36d15 BT |
1124 | if (!td->fields) { |
1125 | dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); | |
c08d46aa | 1126 | return -ENOMEM; |
3ac36d15 BT |
1127 | } |
1128 | ||
76f5902a HR |
1129 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1130 | td->serial_maybe = true; | |
1131 | ||
5519cab4 BT |
1132 | ret = hid_parse(hdev); |
1133 | if (ret != 0) | |
c08d46aa | 1134 | return ret; |
5519cab4 BT |
1135 | |
1136 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
2d93666e | 1137 | if (ret) |
c08d46aa | 1138 | return ret; |
5519cab4 | 1139 | |
eec29e3d | 1140 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1141 | if (ret) |
1142 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1143 | hdev->name); | |
eec29e3d | 1144 | |
31ae9bdd | 1145 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1146 | mt_set_input_mode(hdev); |
1147 | ||
c08d46aa BT |
1148 | /* release .fields memory as it is not used anymore */ |
1149 | devm_kfree(&hdev->dev, td->fields); | |
3ac36d15 BT |
1150 | td->fields = NULL; |
1151 | ||
5519cab4 | 1152 | return 0; |
5519cab4 BT |
1153 | } |
1154 | ||
1155 | #ifdef CONFIG_PM | |
d3e69b9a BL |
1156 | static void mt_release_contacts(struct hid_device *hid) |
1157 | { | |
1158 | struct hid_input *hidinput; | |
1159 | ||
1160 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1161 | struct input_dev *input_dev = hidinput->input; | |
1162 | struct input_mt *mt = input_dev->mt; | |
1163 | int i; | |
1164 | ||
1165 | if (mt) { | |
1166 | for (i = 0; i < mt->num_slots; i++) { | |
1167 | input_mt_slot(input_dev, i); | |
1168 | input_mt_report_slot_state(input_dev, | |
1169 | MT_TOOL_FINGER, | |
1170 | false); | |
1171 | } | |
1172 | input_sync(input_dev); | |
1173 | } | |
1174 | } | |
1175 | } | |
1176 | ||
5519cab4 BT |
1177 | static int mt_reset_resume(struct hid_device *hdev) |
1178 | { | |
d3e69b9a | 1179 | mt_release_contacts(hdev); |
31ae9bdd | 1180 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1181 | mt_set_input_mode(hdev); |
1182 | return 0; | |
1183 | } | |
dfeefd10 SL |
1184 | |
1185 | static int mt_resume(struct hid_device *hdev) | |
1186 | { | |
dfeefd10 SL |
1187 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1188 | * It should be safe to send it to other devices too. | |
1189 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1190 | ||
4ba25d3f | 1191 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 SL |
1192 | |
1193 | return 0; | |
1194 | } | |
5519cab4 BT |
1195 | #endif |
1196 | ||
1197 | static void mt_remove(struct hid_device *hdev) | |
1198 | { | |
eec29e3d | 1199 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1200 | hid_hw_stop(hdev); |
5519cab4 BT |
1201 | } |
1202 | ||
0fa9c616 BT |
1203 | /* |
1204 | * This list contains only: | |
1205 | * - VID/PID of products not working with the default multitouch handling | |
1206 | * - 2 generic rules. | |
1207 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1208 | */ | |
5519cab4 BT |
1209 | static const struct hid_device_id mt_devices[] = { |
1210 | ||
f786bba4 BT |
1211 | /* 3M panels */ |
1212 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1213 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1214 | USB_DEVICE_ID_3M1968) }, |
1215 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1216 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1217 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1218 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1219 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1220 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1221 | |
6aef704e BT |
1222 | /* Anton devices */ |
1223 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1224 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1225 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1226 | |
b1057124 | 1227 | /* Atmel panels */ |
841cb157 | 1228 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1229 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1230 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1231 | |
9ed32695 | 1232 | /* Baanto multitouch devices */ |
dc3e1d80 | 1233 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1234 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1235 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1236 | |
a841b62c BT |
1237 | /* Cando panels */ |
1238 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1239 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1240 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1241 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1242 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1243 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1244 | ||
942fd422 | 1245 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1246 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1247 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1248 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1249 | ||
070f63b4 YB |
1250 | /* CJTouch panels */ |
1251 | { .driver_data = MT_CLS_NSMU, | |
1252 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1253 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1254 | { .driver_data = MT_CLS_NSMU, | |
1255 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1256 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1257 | ||
79603dc9 | 1258 | /* CVTouch panels */ |
dc3e1d80 | 1259 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1260 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1261 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1262 | ||
22408283 | 1263 | /* eGalax devices (resistive) */ |
e36f690b | 1264 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1265 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1266 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1267 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1268 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1269 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1270 | |
1271 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1272 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1273 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1274 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1275 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1276 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1277 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1278 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1279 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1280 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1281 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1282 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1283 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1284 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1285 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1286 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1287 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1288 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1289 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1290 | { .driver_data = MT_CLS_EGALAX, |
1291 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1292 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1293 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1294 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1295 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1296 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1297 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1298 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1299 | { .driver_data = MT_CLS_EGALAX, |
1300 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1301 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1302 | { .driver_data = MT_CLS_EGALAX, | |
1303 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1304 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1305 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1306 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1307 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1308 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1309 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1310 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1311 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1312 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1313 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1314 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1315 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1316 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1317 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1318 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1319 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
22408283 | 1320 | |
7c7606a2 TS |
1321 | /* Elitegroup panel */ |
1322 | { .driver_data = MT_CLS_SERIAL, | |
1323 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
1324 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
1325 | ||
77723e3b HR |
1326 | /* Flatfrog Panels */ |
1327 | { .driver_data = MT_CLS_FLATFROG, | |
1328 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
1329 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
1330 | ||
3db187e7 BT |
1331 | /* FocalTech Panels */ |
1332 | { .driver_data = MT_CLS_SERIAL, | |
1333 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
1334 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
1335 | ||
5572da08 | 1336 | /* GeneralTouch panel */ |
f5ff4e1e | 1337 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 1338 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 1339 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
1340 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1341 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1342 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
1343 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1344 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1345 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
1346 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1347 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1348 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
1349 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1350 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1351 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
1352 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1353 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1354 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
1355 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1356 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1357 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 1358 | |
4d5df5d1 | 1359 | /* Gametel game controller */ |
dc3e1d80 | 1360 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1361 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
1362 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1363 | ||
ee0fbd14 | 1364 | /* GoodTouch panels */ |
dc3e1d80 | 1365 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1366 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
1367 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1368 | ||
54580365 BT |
1369 | /* Hanvon panels */ |
1370 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 1371 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
1372 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1373 | ||
4e61f0d7 | 1374 | /* Ilitek dual touch panel */ |
dc3e1d80 | 1375 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1376 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
1377 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1378 | ||
4a6ee685 BT |
1379 | /* MosArt panels */ |
1380 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1381 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1382 | USB_DEVICE_ID_ASUS_T91MT)}, |
1383 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1384 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1385 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1386 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1387 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
1388 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1389 | ||
2258e863 DK |
1390 | /* Panasonic panels */ |
1391 | { .driver_data = MT_CLS_PANASONIC, | |
2c2110e9 | 1392 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
2258e863 DK |
1393 | USB_DEVICE_ID_PANABOARD_UBT780) }, |
1394 | { .driver_data = MT_CLS_PANASONIC, | |
2c2110e9 | 1395 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
2258e863 DK |
1396 | USB_DEVICE_ID_PANABOARD_UBT880) }, |
1397 | ||
4db703ea | 1398 | /* Novatek Panel */ |
dc3e1d80 | 1399 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 1400 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
1401 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1402 | ||
b7ea95ff AT |
1403 | /* PixArt optical touch screen */ |
1404 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1405 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1406 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1407 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1408 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1409 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1410 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1411 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1412 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1413 | ||
5519cab4 | 1414 | /* PixCir-based panels */ |
1e9cf35b | 1415 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 1416 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
1417 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1418 | ||
5e7ea11f | 1419 | /* Quanta-based panels */ |
5e7ea11f | 1420 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 1421 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 1422 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 1423 | |
043b403a | 1424 | /* Stantum panels */ |
bf5af9b5 | 1425 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 1426 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 1427 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 1428 | |
847672cd BT |
1429 | /* TopSeed panels */ |
1430 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 1431 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
1432 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1433 | ||
5e74e56d | 1434 | /* Touch International panels */ |
dc3e1d80 | 1435 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1436 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
1437 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1438 | ||
617b64f9 | 1439 | /* Unitec panels */ |
dc3e1d80 | 1440 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1441 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1442 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 1443 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1444 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1445 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 1446 | |
da10bc25 MM |
1447 | /* VTL panels */ |
1448 | { .driver_data = MT_CLS_VTL, | |
1449 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
1450 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
1451 | ||
bf9d121e KC |
1452 | /* Wistron panels */ |
1453 | { .driver_data = MT_CLS_NSMU, | |
1454 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
1455 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
1456 | ||
bc8a2a9b | 1457 | /* XAT */ |
dc3e1d80 | 1458 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1459 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 1460 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 1461 | |
11576c61 | 1462 | /* Xiroku */ |
dc3e1d80 | 1463 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1464 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1465 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 1466 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1467 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1468 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 1469 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1470 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1471 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 1472 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1473 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1474 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 1475 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1476 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1477 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 1478 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1479 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1480 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 1481 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1482 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1483 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 1484 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1485 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1486 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 1487 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1488 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
1489 | USB_DEVICE_ID_XIROKU_CSR2) }, |
1490 | ||
4fa3a583 HR |
1491 | /* Generic MT device */ |
1492 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
1493 | |
1494 | /* Generic Win 8 certified MT device */ | |
1495 | { .driver_data = MT_CLS_WIN_8, | |
1496 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
1497 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
1498 | { } |
1499 | }; | |
1500 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
1501 | ||
1502 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
1503 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
1504 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
1505 | }; | |
1506 | ||
1507 | static struct hid_driver mt_driver = { | |
1508 | .name = "hid-multitouch", | |
1509 | .id_table = mt_devices, | |
1510 | .probe = mt_probe, | |
1511 | .remove = mt_remove, | |
1512 | .input_mapping = mt_input_mapping, | |
1513 | .input_mapped = mt_input_mapped, | |
76f5902a | 1514 | .input_configured = mt_input_configured, |
5519cab4 BT |
1515 | .feature_mapping = mt_feature_mapping, |
1516 | .usage_table = mt_grabbed_usages, | |
1517 | .event = mt_event, | |
55978fa9 | 1518 | .report = mt_report, |
5519cab4 BT |
1519 | #ifdef CONFIG_PM |
1520 | .reset_resume = mt_reset_resume, | |
dfeefd10 | 1521 | .resume = mt_resume, |
5519cab4 BT |
1522 | #endif |
1523 | }; | |
f425458e | 1524 | module_hid_driver(mt_driver); |