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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> |
29cc309d | 46 | #include <linux/jiffies.h> |
49a5a827 | 47 | #include <linux/string.h> |
4f4001bc | 48 | #include <linux/timer.h> |
5519cab4 BT |
49 | |
50 | ||
51 | MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); | |
ef2fafb3 | 52 | MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); |
5519cab4 BT |
53 | MODULE_DESCRIPTION("HID multitouch panels"); |
54 | MODULE_LICENSE("GPL"); | |
55 | ||
56 | #include "hid-ids.h" | |
57 | ||
58 | /* quirks to control the device */ | |
fd911896 BT |
59 | #define MT_QUIRK_NOT_SEEN_MEANS_UP BIT(0) |
60 | #define MT_QUIRK_SLOT_IS_CONTACTID BIT(1) | |
61 | #define MT_QUIRK_CYPRESS BIT(2) | |
62 | #define MT_QUIRK_SLOT_IS_CONTACTNUMBER BIT(3) | |
63 | #define MT_QUIRK_ALWAYS_VALID BIT(4) | |
64 | #define MT_QUIRK_VALID_IS_INRANGE BIT(5) | |
65 | #define MT_QUIRK_VALID_IS_CONFIDENCE BIT(6) | |
66 | #define MT_QUIRK_CONFIDENCE BIT(7) | |
67 | #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE BIT(8) | |
68 | #define MT_QUIRK_NO_AREA BIT(9) | |
69 | #define MT_QUIRK_IGNORE_DUPLICATES BIT(10) | |
70 | #define MT_QUIRK_HOVERING BIT(11) | |
71 | #define MT_QUIRK_CONTACT_CNT_ACCURATE BIT(12) | |
72 | #define MT_QUIRK_FORCE_GET_FEATURE BIT(13) | |
73 | #define MT_QUIRK_FIX_CONST_CONTACT_ID BIT(14) | |
74 | #define MT_QUIRK_TOUCH_SIZE_SCALING BIT(15) | |
4f4001bc | 75 | #define MT_QUIRK_STICKY_FINGERS BIT(16) |
957b8dff | 76 | #define MT_QUIRK_ASUS_CUSTOM_UP BIT(17) |
5519cab4 | 77 | |
9abebedb AD |
78 | #define MT_INPUTMODE_TOUCHSCREEN 0x02 |
79 | #define MT_INPUTMODE_TOUCHPAD 0x03 | |
80 | ||
2c6e0277 SF |
81 | #define MT_BUTTONTYPE_CLICKPAD 0 |
82 | ||
4f4001bc | 83 | #define MT_IO_FLAGS_RUNNING 0 |
96098274 BT |
84 | #define MT_IO_FLAGS_ACTIVE_SLOTS 1 |
85 | #define MT_IO_FLAGS_PENDING_SLOTS 2 | |
4f4001bc | 86 | |
5519cab4 | 87 | struct mt_slot { |
349fd670 | 88 | __s32 x, y, cx, cy, p, w, h; |
5519cab4 BT |
89 | __s32 contactid; /* the device ContactID assigned to this slot */ |
90 | bool touch_state; /* is the touch valid? */ | |
9b3bb9b8 | 91 | bool inrange_state; /* is the finger in proximity of the sensor? */ |
6dd2e27a | 92 | bool confidence_state; /* is the touch made by a finger? */ |
5519cab4 BT |
93 | }; |
94 | ||
eec29e3d BT |
95 | struct mt_class { |
96 | __s32 name; /* MT_CLS */ | |
97 | __s32 quirks; | |
98 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
99 | __s32 sn_width; /* Signal/noise ratio for width events */ | |
100 | __s32 sn_height; /* Signal/noise ratio for height events */ | |
101 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
102 | __u8 maxcontacts; | |
c2ef8f21 | 103 | bool is_indirect; /* true for touchpads */ |
6aef704e | 104 | bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ |
eec29e3d BT |
105 | }; |
106 | ||
3ac36d15 BT |
107 | struct mt_fields { |
108 | unsigned usages[HID_MAX_FIELDS]; | |
109 | unsigned int length; | |
110 | }; | |
111 | ||
5519cab4 BT |
112 | struct mt_device { |
113 | struct mt_slot curdata; /* placeholder of incoming data */ | |
eec29e3d | 114 | struct mt_class mtclass; /* our mt device class */ |
4f4001bc | 115 | struct timer_list release_timer; /* to release sticky fingers */ |
3ac36d15 BT |
116 | struct mt_fields *fields; /* temporary placeholder for storing the |
117 | multitouch fields */ | |
4f4001bc | 118 | unsigned long mt_io_flags; /* mt flags (MT_IO_FLAGS_*) */ |
7e3cc447 BT |
119 | int cc_index; /* contact count field index in the report */ |
120 | int cc_value_index; /* contact count value index in the field */ | |
5519cab4 | 121 | unsigned last_slot_field; /* the last field of a slot */ |
55978fa9 | 122 | unsigned mt_report_id; /* the report ID of the multitouch device */ |
b897f6db | 123 | unsigned long initial_quirks; /* initial quirks state */ |
8821f5dc BT |
124 | __s16 inputmode; /* InputMode HID feature, -1 if non-existent */ |
125 | __s16 inputmode_index; /* InputMode HID feature index in the report */ | |
126 | __s16 maxcontact_report_id; /* Maximum Contact Number HID feature, | |
31ae9bdd | 127 | -1 if non-existent */ |
9abebedb | 128 | __u8 inputmode_value; /* InputMode HID feature value */ |
5519cab4 BT |
129 | __u8 num_received; /* how many contacts we received */ |
130 | __u8 num_expected; /* expected last contact index */ | |
9498f954 | 131 | __u8 maxcontacts; |
9e87f22a BT |
132 | __u8 touches_by_report; /* how many touches are present in one report: |
133 | * 1 means we should use a serial protocol | |
134 | * > 1 means hybrid (multitouch) protocol */ | |
015fdaa9 | 135 | __u8 buttons_count; /* number of physical buttons per touchpad */ |
2c6e0277 | 136 | bool is_buttonpad; /* is this device a button pad? */ |
76f5902a | 137 | bool serial_maybe; /* need to check for serial protocol */ |
5519cab4 | 138 | bool curvalid; /* is the current contact valid? */ |
76f5902a | 139 | unsigned mt_flags; /* flags to pass to input-mt */ |
29cc309d NB |
140 | __s32 dev_time; /* the scan time provided by the device */ |
141 | unsigned long jiffies; /* the frame's jiffies */ | |
142 | int timestamp; /* the timestamp to be sent */ | |
5519cab4 BT |
143 | }; |
144 | ||
a69c5f8b BT |
145 | static void mt_post_parse_default_settings(struct mt_device *td); |
146 | static void mt_post_parse(struct mt_device *td); | |
147 | ||
5519cab4 | 148 | /* classes of device behavior */ |
22408283 BT |
149 | #define MT_CLS_DEFAULT 0x0001 |
150 | ||
a062cc5a SC |
151 | #define MT_CLS_SERIAL 0x0002 |
152 | #define MT_CLS_CONFIDENCE 0x0003 | |
5e7ea11f BT |
153 | #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
154 | #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 | |
155 | #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 | |
156 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 | |
0fa9c616 | 157 | /* reserved 0x0008 */ |
b7ea95ff | 158 | #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
dc3e1d80 | 159 | #define MT_CLS_NSMU 0x000a |
0fa9c616 BT |
160 | /* reserved 0x0010 */ |
161 | /* reserved 0x0011 */ | |
f961bd35 | 162 | #define MT_CLS_WIN_8 0x0012 |
6aef704e | 163 | #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 |
504c932c | 164 | #define MT_CLS_WIN_8_DUAL 0x0014 |
22408283 BT |
165 | |
166 | /* vendor specific classes */ | |
167 | #define MT_CLS_3M 0x0101 | |
0fa9c616 | 168 | /* reserved 0x0102 */ |
22408283 | 169 | #define MT_CLS_EGALAX 0x0103 |
1b723e8d | 170 | #define MT_CLS_EGALAX_SERIAL 0x0104 |
847672cd | 171 | #define MT_CLS_TOPSEED 0x0105 |
2258e863 | 172 | #define MT_CLS_PANASONIC 0x0106 |
77723e3b | 173 | #define MT_CLS_FLATFROG 0x0107 |
cdcd3ac4 JK |
174 | #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
175 | #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 | |
f3287a99 | 176 | #define MT_CLS_LG 0x010a |
957b8dff | 177 | #define MT_CLS_ASUS 0x010b |
da10bc25 | 178 | #define MT_CLS_VTL 0x0110 |
0e82232c | 179 | #define MT_CLS_GOOGLE 0x0111 |
5519cab4 | 180 | |
9498f954 | 181 | #define MT_DEFAULT_MAXCONTACT 10 |
afbcb04c | 182 | #define MT_MAX_MAXCONTACT 250 |
9498f954 | 183 | |
29cc309d NB |
184 | /* |
185 | * Resync device and local timestamps after that many microseconds without | |
186 | * receiving data. | |
187 | */ | |
188 | #define MAX_TIMESTAMP_INTERVAL 1000000 | |
189 | ||
2c2110e9 HR |
190 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
191 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) | |
192 | ||
5519cab4 BT |
193 | /* |
194 | * these device-dependent functions determine what slot corresponds | |
195 | * to a valid contact that was just read. | |
196 | */ | |
197 | ||
a3b5e577 BT |
198 | static int cypress_compute_slot(struct mt_device *td) |
199 | { | |
200 | if (td->curdata.contactid != 0 || td->num_received == 0) | |
201 | return td->curdata.contactid; | |
202 | else | |
203 | return -1; | |
204 | } | |
205 | ||
b3c21d2c | 206 | static struct mt_class mt_classes[] = { |
2d93666e | 207 | { .name = MT_CLS_DEFAULT, |
dc3e1d80 BT |
208 | .quirks = MT_QUIRK_ALWAYS_VALID | |
209 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
210 | { .name = MT_CLS_NSMU, | |
9498f954 | 211 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
a062cc5a SC |
212 | { .name = MT_CLS_SERIAL, |
213 | .quirks = MT_QUIRK_ALWAYS_VALID}, | |
22408283 BT |
214 | { .name = MT_CLS_CONFIDENCE, |
215 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, | |
5e7ea11f BT |
216 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
217 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
218 | MT_QUIRK_SLOT_IS_CONTACTID }, | |
22408283 BT |
219 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
220 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
221 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, | |
1e9cf35b | 222 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
223 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
224 | MT_QUIRK_SLOT_IS_CONTACTID, | |
225 | .maxcontacts = 2 }, | |
1e9cf35b | 226 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
227 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
228 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
229 | .maxcontacts = 2 }, | |
b7ea95ff AT |
230 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
231 | .quirks = MT_QUIRK_VALID_IS_INRANGE | | |
232 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, | |
f961bd35 BT |
233 | { .name = MT_CLS_WIN_8, |
234 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
235 | MT_QUIRK_IGNORE_DUPLICATES | | |
236 | MT_QUIRK_HOVERING | | |
4f4001bc BT |
237 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
238 | MT_QUIRK_STICKY_FINGERS }, | |
6aef704e BT |
239 | { .name = MT_CLS_EXPORT_ALL_INPUTS, |
240 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
241 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
242 | .export_all_inputs = true }, | |
504c932c MO |
243 | { .name = MT_CLS_WIN_8_DUAL, |
244 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
245 | MT_QUIRK_IGNORE_DUPLICATES | | |
246 | MT_QUIRK_HOVERING | | |
247 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
248 | .export_all_inputs = true }, | |
22408283 BT |
249 | |
250 | /* | |
251 | * vendor specific classes | |
252 | */ | |
253 | { .name = MT_CLS_3M, | |
254 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
e9d0a26d HC |
255 | MT_QUIRK_SLOT_IS_CONTACTID | |
256 | MT_QUIRK_TOUCH_SIZE_SCALING, | |
22408283 BT |
257 | .sn_move = 2048, |
258 | .sn_width = 128, | |
c5d40be5 HR |
259 | .sn_height = 128, |
260 | .maxcontacts = 60, | |
261 | }, | |
4875ac11 RN |
262 | { .name = MT_CLS_EGALAX, |
263 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
2261bb9f | 264 | MT_QUIRK_VALID_IS_INRANGE, |
4875ac11 RN |
265 | .sn_move = 4096, |
266 | .sn_pressure = 32, | |
267 | }, | |
1b723e8d BT |
268 | { .name = MT_CLS_EGALAX_SERIAL, |
269 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
270 | MT_QUIRK_ALWAYS_VALID, | |
4875ac11 RN |
271 | .sn_move = 4096, |
272 | .sn_pressure = 32, | |
273 | }, | |
847672cd BT |
274 | { .name = MT_CLS_TOPSEED, |
275 | .quirks = MT_QUIRK_ALWAYS_VALID, | |
276 | .is_indirect = true, | |
277 | .maxcontacts = 2, | |
278 | }, | |
2258e863 DK |
279 | { .name = MT_CLS_PANASONIC, |
280 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, | |
281 | .maxcontacts = 4 }, | |
f5ff4e1e XY |
282 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
283 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
284 | MT_QUIRK_VALID_IS_INRANGE | | |
7b226292 | 285 | MT_QUIRK_SLOT_IS_CONTACTID, |
f5ff4e1e XY |
286 | .maxcontacts = 2 |
287 | }, | |
288 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
289 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
7b226292 | 290 | MT_QUIRK_SLOT_IS_CONTACTID |
f5ff4e1e | 291 | }, |
043b403a | 292 | |
77723e3b HR |
293 | { .name = MT_CLS_FLATFROG, |
294 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
295 | MT_QUIRK_NO_AREA, | |
296 | .sn_move = 2048, | |
297 | .maxcontacts = 40, | |
298 | }, | |
f3287a99 BT |
299 | { .name = MT_CLS_LG, |
300 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
301 | MT_QUIRK_FIX_CONST_CONTACT_ID | | |
302 | MT_QUIRK_IGNORE_DUPLICATES | | |
303 | MT_QUIRK_HOVERING | | |
304 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
957b8dff JPRV |
305 | { .name = MT_CLS_ASUS, |
306 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
307 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
308 | MT_QUIRK_ASUS_CUSTOM_UP }, | |
da10bc25 MM |
309 | { .name = MT_CLS_VTL, |
310 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
311 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
312 | MT_QUIRK_FORCE_GET_FEATURE, | |
313 | }, | |
0e82232c WNH |
314 | { .name = MT_CLS_GOOGLE, |
315 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
316 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
317 | MT_QUIRK_SLOT_IS_CONTACTID | | |
318 | MT_QUIRK_HOVERING | |
319 | }, | |
2d93666e | 320 | { } |
5519cab4 BT |
321 | }; |
322 | ||
eec29e3d BT |
323 | static ssize_t mt_show_quirks(struct device *dev, |
324 | struct device_attribute *attr, | |
325 | char *buf) | |
326 | { | |
ee79a8f8 | 327 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
328 | struct mt_device *td = hid_get_drvdata(hdev); |
329 | ||
330 | return sprintf(buf, "%u\n", td->mtclass.quirks); | |
331 | } | |
332 | ||
333 | static ssize_t mt_set_quirks(struct device *dev, | |
334 | struct device_attribute *attr, | |
335 | const char *buf, size_t count) | |
336 | { | |
ee79a8f8 | 337 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
338 | struct mt_device *td = hid_get_drvdata(hdev); |
339 | ||
340 | unsigned long val; | |
341 | ||
342 | if (kstrtoul(buf, 0, &val)) | |
343 | return -EINVAL; | |
344 | ||
345 | td->mtclass.quirks = val; | |
346 | ||
7e3cc447 | 347 | if (td->cc_index < 0) |
c2517f62 BT |
348 | td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
349 | ||
eec29e3d BT |
350 | return count; |
351 | } | |
352 | ||
353 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); | |
354 | ||
355 | static struct attribute *sysfs_attrs[] = { | |
356 | &dev_attr_quirks.attr, | |
357 | NULL | |
358 | }; | |
359 | ||
9182fb98 | 360 | static const struct attribute_group mt_attribute_group = { |
eec29e3d BT |
361 | .attrs = sysfs_attrs |
362 | }; | |
363 | ||
6d4f5440 MW |
364 | static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) |
365 | { | |
366 | struct mt_device *td = hid_get_drvdata(hdev); | |
367 | int ret, size = hid_report_len(report); | |
368 | u8 *buf; | |
369 | ||
370 | /* | |
b897f6db BT |
371 | * Do not fetch the feature report if the device has been explicitly |
372 | * marked as non-capable. | |
6d4f5440 | 373 | */ |
b897f6db | 374 | if (td->initial_quirks & HID_QUIRK_NO_INIT_REPORTS) |
6d4f5440 MW |
375 | return; |
376 | ||
377 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
378 | if (!buf) | |
379 | return; | |
380 | ||
381 | ret = hid_hw_raw_request(hdev, report->id, buf, size, | |
382 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
383 | if (ret < 0) { | |
384 | dev_warn(&hdev->dev, "failed to fetch feature %d\n", | |
385 | report->id); | |
386 | } else { | |
387 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, | |
388 | size, 0); | |
389 | if (ret) | |
390 | dev_warn(&hdev->dev, "failed to report feature\n"); | |
391 | } | |
392 | ||
393 | kfree(buf); | |
394 | } | |
395 | ||
f635bd11 | 396 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
397 | struct hid_field *field, struct hid_usage *usage) |
398 | { | |
9498f954 BT |
399 | struct mt_device *td = hid_get_drvdata(hdev); |
400 | ||
401 | switch (usage->hid) { | |
402 | case HID_DG_INPUTMODE: | |
8821f5dc BT |
403 | /* Ignore if value index is out of bounds. */ |
404 | if (usage->usage_index >= field->report_count) { | |
405 | dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); | |
406 | break; | |
4aceed37 BT |
407 | } |
408 | ||
73e7d63e BT |
409 | if (td->inputmode < 0) { |
410 | td->inputmode = field->report->id; | |
411 | td->inputmode_index = usage->usage_index; | |
412 | } else { | |
413 | /* | |
414 | * Some elan panels wrongly declare 2 input mode | |
415 | * features, and silently ignore when we set the | |
416 | * value in the second field. Skip the second feature | |
417 | * and hope for the best. | |
418 | */ | |
419 | dev_info(&hdev->dev, | |
420 | "Ignoring the extra HID_DG_INPUTMODE\n"); | |
421 | } | |
8821f5dc | 422 | |
9498f954 BT |
423 | break; |
424 | case HID_DG_CONTACTMAX: | |
6d4f5440 MW |
425 | mt_get_feature(hdev, field->report); |
426 | ||
31ae9bdd | 427 | td->maxcontact_report_id = field->report->id; |
9498f954 | 428 | td->maxcontacts = field->value[0]; |
afbcb04c BT |
429 | if (!td->maxcontacts && |
430 | field->logical_maximum <= MT_MAX_MAXCONTACT) | |
431 | td->maxcontacts = field->logical_maximum; | |
eec29e3d | 432 | if (td->mtclass.maxcontacts) |
9498f954 | 433 | /* check if the maxcontacts is given by the class */ |
eec29e3d | 434 | td->maxcontacts = td->mtclass.maxcontacts; |
9498f954 | 435 | |
2c6e0277 SF |
436 | break; |
437 | case HID_DG_BUTTONTYPE: | |
438 | if (usage->usage_index >= field->report_count) { | |
439 | dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); | |
440 | break; | |
441 | } | |
442 | ||
6d4f5440 | 443 | mt_get_feature(hdev, field->report); |
2c6e0277 SF |
444 | if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) |
445 | td->is_buttonpad = true; | |
446 | ||
9498f954 | 447 | break; |
45c5c682 BT |
448 | case 0xff0000c5: |
449 | /* Retrieve the Win8 blob once to enable some devices */ | |
450 | if (usage->usage_index == 0) | |
451 | mt_get_feature(hdev, field->report); | |
452 | break; | |
5519cab4 BT |
453 | } |
454 | } | |
455 | ||
456 | static void set_abs(struct input_dev *input, unsigned int code, | |
457 | struct hid_field *field, int snratio) | |
458 | { | |
459 | int fmin = field->logical_minimum; | |
460 | int fmax = field->logical_maximum; | |
461 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
462 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
37cf6e6f | 463 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
5519cab4 BT |
464 | } |
465 | ||
3ac36d15 | 466 | static void mt_store_field(struct hid_usage *usage, struct mt_device *td, |
ed9d5c96 BT |
467 | struct hid_input *hi) |
468 | { | |
3ac36d15 BT |
469 | struct mt_fields *f = td->fields; |
470 | ||
471 | if (f->length >= HID_MAX_FIELDS) | |
472 | return; | |
473 | ||
474 | f->usages[f->length++] = usage->hid; | |
ed9d5c96 BT |
475 | } |
476 | ||
a69c5f8b | 477 | static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 BT |
478 | struct hid_field *field, struct hid_usage *usage, |
479 | unsigned long **bit, int *max) | |
480 | { | |
481 | struct mt_device *td = hid_get_drvdata(hdev); | |
eec29e3d | 482 | struct mt_class *cls = &td->mtclass; |
c2ef8f21 | 483 | int code; |
349fd670 | 484 | struct hid_usage *prev_usage = NULL; |
4875ac11 | 485 | |
658d4aed | 486 | if (field->application == HID_DG_TOUCHSCREEN) |
76f5902a | 487 | td->mt_flags |= INPUT_MT_DIRECT; |
658d4aed | 488 | |
76f5902a HR |
489 | /* |
490 | * Model touchscreens providing buttons as touchpads. | |
c2ef8f21 BT |
491 | */ |
492 | if (field->application == HID_DG_TOUCHPAD || | |
9abebedb | 493 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
76f5902a | 494 | td->mt_flags |= INPUT_MT_POINTER; |
9abebedb AD |
495 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
496 | } | |
c2ef8f21 | 497 | |
015fdaa9 BT |
498 | /* count the buttons on touchpads */ |
499 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
500 | td->buttons_count++; | |
501 | ||
349fd670 BT |
502 | if (usage->usage_index) |
503 | prev_usage = &field->usage[usage->usage_index - 1]; | |
504 | ||
5519cab4 BT |
505 | switch (usage->hid & HID_USAGE_PAGE) { |
506 | ||
507 | case HID_UP_GENDESK: | |
508 | switch (usage->hid) { | |
509 | case HID_GD_X: | |
349fd670 BT |
510 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
511 | hid_map_usage(hi, usage, bit, max, | |
512 | EV_ABS, ABS_MT_TOOL_X); | |
513 | set_abs(hi->input, ABS_MT_TOOL_X, field, | |
514 | cls->sn_move); | |
515 | } else { | |
516 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 517 | EV_ABS, ABS_MT_POSITION_X); |
349fd670 BT |
518 | set_abs(hi->input, ABS_MT_POSITION_X, field, |
519 | cls->sn_move); | |
520 | } | |
521 | ||
3ac36d15 | 522 | mt_store_field(usage, td, hi); |
5519cab4 BT |
523 | return 1; |
524 | case HID_GD_Y: | |
349fd670 BT |
525 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
526 | hid_map_usage(hi, usage, bit, max, | |
527 | EV_ABS, ABS_MT_TOOL_Y); | |
528 | set_abs(hi->input, ABS_MT_TOOL_Y, field, | |
529 | cls->sn_move); | |
530 | } else { | |
531 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 532 | EV_ABS, ABS_MT_POSITION_Y); |
349fd670 BT |
533 | set_abs(hi->input, ABS_MT_POSITION_Y, field, |
534 | cls->sn_move); | |
535 | } | |
536 | ||
3ac36d15 | 537 | mt_store_field(usage, td, hi); |
5519cab4 BT |
538 | return 1; |
539 | } | |
540 | return 0; | |
541 | ||
542 | case HID_UP_DIGITIZER: | |
543 | switch (usage->hid) { | |
544 | case HID_DG_INRANGE: | |
9b3bb9b8 BT |
545 | if (cls->quirks & MT_QUIRK_HOVERING) { |
546 | hid_map_usage(hi, usage, bit, max, | |
547 | EV_ABS, ABS_MT_DISTANCE); | |
548 | input_set_abs_params(hi->input, | |
549 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
550 | } | |
3ac36d15 | 551 | mt_store_field(usage, td, hi); |
5519cab4 BT |
552 | return 1; |
553 | case HID_DG_CONFIDENCE: | |
504c932c MO |
554 | if ((cls->name == MT_CLS_WIN_8 || |
555 | cls->name == MT_CLS_WIN_8_DUAL) && | |
6dd2e27a AH |
556 | field->application == HID_DG_TOUCHPAD) |
557 | cls->quirks |= MT_QUIRK_CONFIDENCE; | |
3ac36d15 | 558 | mt_store_field(usage, td, hi); |
5519cab4 BT |
559 | return 1; |
560 | case HID_DG_TIPSWITCH: | |
561 | hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); | |
562 | input_set_capability(hi->input, EV_KEY, BTN_TOUCH); | |
3ac36d15 | 563 | mt_store_field(usage, td, hi); |
5519cab4 BT |
564 | return 1; |
565 | case HID_DG_CONTACTID: | |
3ac36d15 | 566 | mt_store_field(usage, td, hi); |
9e87f22a | 567 | td->touches_by_report++; |
55978fa9 | 568 | td->mt_report_id = field->report->id; |
5519cab4 BT |
569 | return 1; |
570 | case HID_DG_WIDTH: | |
571 | hid_map_usage(hi, usage, bit, max, | |
572 | EV_ABS, ABS_MT_TOUCH_MAJOR); | |
77723e3b HR |
573 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) |
574 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, | |
575 | cls->sn_width); | |
3ac36d15 | 576 | mt_store_field(usage, td, hi); |
5519cab4 BT |
577 | return 1; |
578 | case HID_DG_HEIGHT: | |
579 | hid_map_usage(hi, usage, bit, max, | |
580 | EV_ABS, ABS_MT_TOUCH_MINOR); | |
77723e3b HR |
581 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) { |
582 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, | |
583 | cls->sn_height); | |
584 | input_set_abs_params(hi->input, | |
1e648a13 | 585 | ABS_MT_ORIENTATION, 0, 1, 0, 0); |
77723e3b | 586 | } |
3ac36d15 | 587 | mt_store_field(usage, td, hi); |
5519cab4 BT |
588 | return 1; |
589 | case HID_DG_TIPPRESSURE: | |
590 | hid_map_usage(hi, usage, bit, max, | |
591 | EV_ABS, ABS_MT_PRESSURE); | |
592 | set_abs(hi->input, ABS_MT_PRESSURE, field, | |
593 | cls->sn_pressure); | |
3ac36d15 | 594 | mt_store_field(usage, td, hi); |
5519cab4 | 595 | return 1; |
29cc309d NB |
596 | case HID_DG_SCANTIME: |
597 | hid_map_usage(hi, usage, bit, max, | |
598 | EV_MSC, MSC_TIMESTAMP); | |
599 | input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); | |
600 | mt_store_field(usage, td, hi); | |
601 | return 1; | |
5519cab4 | 602 | case HID_DG_CONTACTCOUNT: |
8821f5dc BT |
603 | /* Ignore if indexes are out of bounds. */ |
604 | if (field->index >= field->report->maxfield || | |
605 | usage->usage_index >= field->report_count) | |
606 | return 1; | |
7e3cc447 BT |
607 | td->cc_index = field->index; |
608 | td->cc_value_index = usage->usage_index; | |
5519cab4 BT |
609 | return 1; |
610 | case HID_DG_CONTACTMAX: | |
611 | /* we don't set td->last_slot_field as contactcount and | |
612 | * contact max are global to the report */ | |
613 | return -1; | |
c2ef8f21 BT |
614 | case HID_DG_TOUCH: |
615 | /* Legacy devices use TIPSWITCH and not TOUCH. | |
616 | * Let's just ignore this field. */ | |
617 | return -1; | |
65b258e9 | 618 | } |
5519cab4 BT |
619 | /* let hid-input decide for the others */ |
620 | return 0; | |
621 | ||
c2ef8f21 BT |
622 | case HID_UP_BUTTON: |
623 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); | |
594312b8 BT |
624 | /* |
625 | * MS PTP spec says that external buttons left and right have | |
626 | * usages 2 and 3. | |
627 | */ | |
504c932c MO |
628 | if ((cls->name == MT_CLS_WIN_8 || |
629 | cls->name == MT_CLS_WIN_8_DUAL) && | |
594312b8 BT |
630 | field->application == HID_DG_TOUCHPAD && |
631 | (usage->hid & HID_USAGE) > 1) | |
632 | code--; | |
c2ef8f21 BT |
633 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
634 | input_set_capability(hi->input, EV_KEY, code); | |
635 | return 1; | |
636 | ||
5519cab4 BT |
637 | case 0xff000000: |
638 | /* we do not want to map these: no input-oriented meaning */ | |
639 | return -1; | |
640 | } | |
641 | ||
642 | return 0; | |
643 | } | |
644 | ||
3e1b5015 | 645 | static int mt_compute_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 646 | { |
eec29e3d | 647 | __s32 quirks = td->mtclass.quirks; |
5519cab4 | 648 | |
2d93666e BT |
649 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
650 | return td->curdata.contactid; | |
5519cab4 | 651 | |
2d93666e | 652 | if (quirks & MT_QUIRK_CYPRESS) |
a3b5e577 BT |
653 | return cypress_compute_slot(td); |
654 | ||
2d93666e BT |
655 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
656 | return td->num_received; | |
5572da08 | 657 | |
4a6ee685 BT |
658 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
659 | return td->curdata.contactid - 1; | |
660 | ||
3e1b5015 | 661 | return input_mt_get_slot_by_key(input, td->curdata.contactid); |
5519cab4 BT |
662 | } |
663 | ||
664 | /* | |
665 | * this function is called when a whole contact has been processed, | |
666 | * so that it can assign it to a slot and store the data there | |
667 | */ | |
3e1b5015 | 668 | static void mt_complete_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 669 | { |
c2517f62 BT |
670 | if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && |
671 | td->num_received >= td->num_expected) | |
672 | return; | |
673 | ||
20b60e6d | 674 | if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { |
6dd2e27a | 675 | int active; |
3e1b5015 HR |
676 | int slotnum = mt_compute_slot(td, input); |
677 | struct mt_slot *s = &td->curdata; | |
28728399 | 678 | struct input_mt *mt = input->mt; |
5519cab4 | 679 | |
3e1b5015 HR |
680 | if (slotnum < 0 || slotnum >= td->maxcontacts) |
681 | return; | |
5519cab4 | 682 | |
28728399 BT |
683 | if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { |
684 | struct input_mt_slot *slot = &mt->slots[slotnum]; | |
685 | if (input_mt_is_active(slot) && | |
686 | input_mt_is_used(mt, slot)) | |
687 | return; | |
688 | } | |
689 | ||
6dd2e27a AH |
690 | if (!(td->mtclass.quirks & MT_QUIRK_CONFIDENCE)) |
691 | s->confidence_state = 1; | |
692 | active = (s->touch_state || s->inrange_state) && | |
693 | s->confidence_state; | |
694 | ||
3e1b5015 | 695 | input_mt_slot(input, slotnum); |
6dd2e27a AH |
696 | input_mt_report_slot_state(input, MT_TOOL_FINGER, active); |
697 | if (active) { | |
9b3bb9b8 | 698 | /* this finger is in proximity of the sensor */ |
f786bba4 | 699 | int wide = (s->w > s->h); |
e9d0a26d HC |
700 | int major = max(s->w, s->h); |
701 | int minor = min(s->w, s->h); | |
702 | ||
703 | /* | |
704 | * divided by two to match visual scale of touch | |
705 | * for devices with this quirk | |
706 | */ | |
707 | if (td->mtclass.quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { | |
708 | major = major >> 1; | |
709 | minor = minor >> 1; | |
710 | } | |
f786bba4 | 711 | |
2d93666e BT |
712 | input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
713 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); | |
349fd670 BT |
714 | input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); |
715 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); | |
9b3bb9b8 BT |
716 | input_event(input, EV_ABS, ABS_MT_DISTANCE, |
717 | !s->touch_state); | |
f786bba4 | 718 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); |
2d93666e | 719 | input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
f786bba4 BT |
720 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
721 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
96098274 BT |
722 | |
723 | set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
2d93666e | 724 | } |
5519cab4 BT |
725 | } |
726 | ||
3e1b5015 HR |
727 | td->num_received++; |
728 | } | |
729 | ||
730 | /* | |
731 | * this function is called when a whole packet has been received and processed, | |
732 | * so that it can decide what to send to the input layer. | |
733 | */ | |
734 | static void mt_sync_frame(struct mt_device *td, struct input_dev *input) | |
735 | { | |
76f5902a | 736 | input_mt_sync_frame(input); |
29cc309d | 737 | input_event(input, EV_MSC, MSC_TIMESTAMP, td->timestamp); |
5519cab4 BT |
738 | input_sync(input); |
739 | td->num_received = 0; | |
96098274 BT |
740 | if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) |
741 | set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
742 | else | |
743 | clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
744 | clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
5519cab4 BT |
745 | } |
746 | ||
29cc309d NB |
747 | static int mt_compute_timestamp(struct mt_device *td, struct hid_field *field, |
748 | __s32 value) | |
749 | { | |
750 | long delta = value - td->dev_time; | |
751 | unsigned long jdelta = jiffies_to_usecs(jiffies - td->jiffies); | |
752 | ||
753 | td->jiffies = jiffies; | |
754 | td->dev_time = value; | |
755 | ||
756 | if (delta < 0) | |
757 | delta += field->logical_maximum; | |
758 | ||
759 | /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ | |
760 | delta *= 100; | |
761 | ||
762 | if (jdelta > MAX_TIMESTAMP_INTERVAL) | |
763 | /* No data received for a while, resync the timestamp. */ | |
764 | return 0; | |
765 | else | |
766 | return td->timestamp + delta; | |
767 | } | |
768 | ||
a69c5f8b | 769 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 770 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
771 | { |
772 | /* we will handle the hidinput part later, now remains hiddev */ | |
773 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
774 | hid->hiddev_hid_event(hid, field, usage, value); | |
775 | ||
776 | return 1; | |
777 | } | |
778 | ||
779 | static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, | |
780 | struct hid_usage *usage, __s32 value) | |
5519cab4 BT |
781 | { |
782 | struct mt_device *td = hid_get_drvdata(hid); | |
eec29e3d | 783 | __s32 quirks = td->mtclass.quirks; |
4c437555 | 784 | struct input_dev *input = field->hidinput->input; |
5519cab4 | 785 | |
3e1b5015 | 786 | if (hid->claimed & HID_CLAIMED_INPUT) { |
5519cab4 BT |
787 | switch (usage->hid) { |
788 | case HID_DG_INRANGE: | |
20b60e6d | 789 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
2d93666e | 790 | td->curvalid = value; |
9b3bb9b8 BT |
791 | if (quirks & MT_QUIRK_HOVERING) |
792 | td->curdata.inrange_state = value; | |
5519cab4 BT |
793 | break; |
794 | case HID_DG_TIPSWITCH: | |
2d93666e BT |
795 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
796 | td->curvalid = value; | |
5519cab4 BT |
797 | td->curdata.touch_state = value; |
798 | break; | |
799 | case HID_DG_CONFIDENCE: | |
6dd2e27a AH |
800 | if (quirks & MT_QUIRK_CONFIDENCE) |
801 | td->curdata.confidence_state = value; | |
2d93666e BT |
802 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
803 | td->curvalid = value; | |
5519cab4 BT |
804 | break; |
805 | case HID_DG_CONTACTID: | |
806 | td->curdata.contactid = value; | |
807 | break; | |
808 | case HID_DG_TIPPRESSURE: | |
809 | td->curdata.p = value; | |
810 | break; | |
811 | case HID_GD_X: | |
349fd670 BT |
812 | if (usage->code == ABS_MT_TOOL_X) |
813 | td->curdata.cx = value; | |
814 | else | |
815 | td->curdata.x = value; | |
5519cab4 BT |
816 | break; |
817 | case HID_GD_Y: | |
349fd670 BT |
818 | if (usage->code == ABS_MT_TOOL_Y) |
819 | td->curdata.cy = value; | |
820 | else | |
821 | td->curdata.y = value; | |
5519cab4 BT |
822 | break; |
823 | case HID_DG_WIDTH: | |
824 | td->curdata.w = value; | |
825 | break; | |
826 | case HID_DG_HEIGHT: | |
827 | td->curdata.h = value; | |
828 | break; | |
29cc309d NB |
829 | case HID_DG_SCANTIME: |
830 | td->timestamp = mt_compute_timestamp(td, field, value); | |
831 | break; | |
5519cab4 | 832 | case HID_DG_CONTACTCOUNT: |
5519cab4 | 833 | break; |
c2ef8f21 BT |
834 | case HID_DG_TOUCH: |
835 | /* do nothing */ | |
836 | break; | |
5519cab4 BT |
837 | |
838 | default: | |
4c437555 BT |
839 | if (usage->type) |
840 | input_event(input, usage->type, usage->code, | |
841 | value); | |
55978fa9 | 842 | return; |
5519cab4 | 843 | } |
5519cab4 | 844 | |
54f4c0c3 BT |
845 | if (usage->usage_index + 1 == field->report_count) { |
846 | /* we only take into account the last report. */ | |
847 | if (usage->hid == td->last_slot_field) | |
848 | mt_complete_slot(td, field->hidinput->input); | |
54f4c0c3 | 849 | } |
5519cab4 | 850 | |
2d93666e | 851 | } |
55978fa9 | 852 | } |
5519cab4 | 853 | |
a69c5f8b | 854 | static void mt_touch_report(struct hid_device *hid, struct hid_report *report) |
55978fa9 BT |
855 | { |
856 | struct mt_device *td = hid_get_drvdata(hid); | |
857 | struct hid_field *field; | |
858 | unsigned count; | |
859 | int r, n; | |
5519cab4 | 860 | |
4f4001bc BT |
861 | /* sticky fingers release in progress, abort */ |
862 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
863 | return; | |
864 | ||
c2517f62 BT |
865 | /* |
866 | * Includes multi-packet support where subsequent | |
867 | * packets are sent with zero contactcount. | |
868 | */ | |
7e3cc447 BT |
869 | if (td->cc_index >= 0) { |
870 | struct hid_field *field = report->field[td->cc_index]; | |
871 | int value = field->value[td->cc_value_index]; | |
872 | if (value) | |
873 | td->num_expected = value; | |
874 | } | |
c2517f62 | 875 | |
55978fa9 BT |
876 | for (r = 0; r < report->maxfield; r++) { |
877 | field = report->field[r]; | |
878 | count = field->report_count; | |
879 | ||
880 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
881 | continue; | |
882 | ||
883 | for (n = 0; n < count; n++) | |
884 | mt_process_mt_event(hid, field, &field->usage[n], | |
885 | field->value[n]); | |
886 | } | |
5b62efd8 BT |
887 | |
888 | if (td->num_received >= td->num_expected) | |
889 | mt_sync_frame(td, report->field[0]->hidinput->input); | |
4f4001bc BT |
890 | |
891 | /* | |
892 | * Windows 8 specs says 2 things: | |
893 | * - once a contact has been reported, it has to be reported in each | |
894 | * subsequent report | |
895 | * - the report rate when fingers are present has to be at least | |
896 | * the refresh rate of the screen, 60 or 120 Hz | |
897 | * | |
898 | * I interprete this that the specification forces a report rate of | |
899 | * at least 60 Hz for a touchscreen to be certified. | |
900 | * Which means that if we do not get a report whithin 16 ms, either | |
901 | * something wrong happens, either the touchscreen forgets to send | |
902 | * a release. Taking a reasonable margin allows to remove issues | |
903 | * with USB communication or the load of the machine. | |
904 | * | |
905 | * Given that Win 8 devices are forced to send a release, this will | |
906 | * only affect laggish machines and the ones that have a firmware | |
907 | * defect. | |
908 | */ | |
96098274 BT |
909 | if (td->mtclass.quirks & MT_QUIRK_STICKY_FINGERS) { |
910 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) | |
911 | mod_timer(&td->release_timer, | |
912 | jiffies + msecs_to_jiffies(100)); | |
913 | else | |
914 | del_timer(&td->release_timer); | |
915 | } | |
4f4001bc BT |
916 | |
917 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); | |
5519cab4 BT |
918 | } |
919 | ||
b2c68a2f | 920 | static int mt_touch_input_configured(struct hid_device *hdev, |
a69c5f8b BT |
921 | struct hid_input *hi) |
922 | { | |
923 | struct mt_device *td = hid_get_drvdata(hdev); | |
924 | struct mt_class *cls = &td->mtclass; | |
925 | struct input_dev *input = hi->input; | |
b2c68a2f | 926 | int ret; |
a69c5f8b BT |
927 | |
928 | if (!td->maxcontacts) | |
929 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
930 | ||
931 | mt_post_parse(td); | |
932 | if (td->serial_maybe) | |
933 | mt_post_parse_default_settings(td); | |
934 | ||
935 | if (cls->is_indirect) | |
936 | td->mt_flags |= INPUT_MT_POINTER; | |
937 | ||
938 | if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
939 | td->mt_flags |= INPUT_MT_DROP_UNUSED; | |
940 | ||
015fdaa9 BT |
941 | /* check for clickpads */ |
942 | if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1)) | |
2c6e0277 SF |
943 | td->is_buttonpad = true; |
944 | ||
945 | if (td->is_buttonpad) | |
015fdaa9 BT |
946 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
947 | ||
b2c68a2f DT |
948 | ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags); |
949 | if (ret) | |
950 | return ret; | |
a69c5f8b BT |
951 | |
952 | td->mt_flags = 0; | |
b2c68a2f | 953 | return 0; |
a69c5f8b BT |
954 | } |
955 | ||
957b8dff JPRV |
956 | #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
957 | max, EV_KEY, (c)) | |
a69c5f8b BT |
958 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
959 | struct hid_field *field, struct hid_usage *usage, | |
960 | unsigned long **bit, int *max) | |
961 | { | |
6aef704e BT |
962 | struct mt_device *td = hid_get_drvdata(hdev); |
963 | ||
964 | /* | |
965 | * If mtclass.export_all_inputs is not set, only map fields from | |
966 | * TouchScreen or TouchPad collections. We need to ignore fields | |
967 | * that belong to other collections such as Mouse that might have | |
968 | * the same GenericDesktop usages. | |
969 | */ | |
970 | if (!td->mtclass.export_all_inputs && | |
971 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 972 | field->application != HID_DG_PEN && |
8fe89ef0 BT |
973 | field->application != HID_DG_TOUCHPAD && |
974 | field->application != HID_GD_KEYBOARD && | |
1fbf74ef | 975 | field->application != HID_CP_CONSUMER_CONTROL && |
957b8dff JPRV |
976 | field->application != HID_GD_WIRELESS_RADIO_CTLS && |
977 | !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && | |
978 | td->mtclass.quirks & MT_QUIRK_ASUS_CUSTOM_UP)) | |
6f492f28 | 979 | return -1; |
a69c5f8b | 980 | |
957b8dff JPRV |
981 | /* |
982 | * Some Asus keyboard+touchpad devices have the hotkeys defined in the | |
983 | * touchpad report descriptor. We need to treat these as an array to | |
984 | * map usages to input keys. | |
985 | */ | |
39bbf402 | 986 | if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && |
957b8dff JPRV |
987 | td->mtclass.quirks & MT_QUIRK_ASUS_CUSTOM_UP && |
988 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { | |
989 | set_bit(EV_REP, hi->input->evbit); | |
990 | if (field->flags & HID_MAIN_ITEM_VARIABLE) | |
991 | field->flags &= ~HID_MAIN_ITEM_VARIABLE; | |
992 | switch (usage->hid & HID_USAGE) { | |
993 | case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
994 | case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; | |
995 | case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; | |
996 | case 0x6b: mt_map_key_clear(KEY_F21); break; | |
997 | case 0x6c: mt_map_key_clear(KEY_SLEEP); break; | |
998 | default: | |
999 | return -1; | |
1000 | } | |
1001 | return 1; | |
1002 | } | |
1003 | ||
6aef704e BT |
1004 | /* |
1005 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1006 | * for the stylus. | |
1cc1cc92 BA |
1007 | * The check for mt_report_id ensures we don't process |
1008 | * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical | |
1009 | * collection, but within the report ID. | |
6aef704e | 1010 | */ |
a69c5f8b | 1011 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 1012 | return 0; |
1cc1cc92 BA |
1013 | else if ((field->physical == 0) && |
1014 | (field->report->id != td->mt_report_id) && | |
1015 | (td->mt_report_id != -1)) | |
1016 | return 0; | |
a69c5f8b | 1017 | |
6aef704e BT |
1018 | if (field->application == HID_DG_TOUCHSCREEN || |
1019 | field->application == HID_DG_TOUCHPAD) | |
1020 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); | |
1021 | ||
1022 | /* let hid-core decide for the others */ | |
1023 | return 0; | |
a69c5f8b BT |
1024 | } |
1025 | ||
1026 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
1027 | struct hid_field *field, struct hid_usage *usage, | |
1028 | unsigned long **bit, int *max) | |
1029 | { | |
6aef704e BT |
1030 | /* |
1031 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1032 | * for the stylus. | |
1033 | */ | |
fa11aa72 | 1034 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 1035 | return 0; |
fa11aa72 | 1036 | |
6aef704e | 1037 | if (field->application == HID_DG_TOUCHSCREEN || |
4cf56a89 DT |
1038 | field->application == HID_DG_TOUCHPAD) { |
1039 | /* We own these mappings, tell hid-input to ignore them */ | |
1040 | return -1; | |
1041 | } | |
6aef704e BT |
1042 | |
1043 | /* let hid-core decide for the others */ | |
1044 | return 0; | |
a69c5f8b BT |
1045 | } |
1046 | ||
1047 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
1048 | struct hid_usage *usage, __s32 value) | |
1049 | { | |
1050 | struct mt_device *td = hid_get_drvdata(hid); | |
1051 | ||
1052 | if (field->report->id == td->mt_report_id) | |
1053 | return mt_touch_event(hid, field, usage, value); | |
1054 | ||
e55f6200 | 1055 | return 0; |
a69c5f8b BT |
1056 | } |
1057 | ||
1058 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
1059 | { | |
1060 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 1061 | struct hid_field *field = report->field[0]; |
a69c5f8b BT |
1062 | |
1063 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
1064 | return; | |
1065 | ||
1066 | if (report->id == td->mt_report_id) | |
e55f6200 | 1067 | return mt_touch_report(hid, report); |
fa11aa72 | 1068 | |
e55f6200 BT |
1069 | if (field && field->hidinput && field->hidinput->input) |
1070 | input_sync(field->hidinput->input); | |
5519cab4 BT |
1071 | } |
1072 | ||
1073 | static void mt_set_input_mode(struct hid_device *hdev) | |
1074 | { | |
1075 | struct mt_device *td = hid_get_drvdata(hdev); | |
1076 | struct hid_report *r; | |
1077 | struct hid_report_enum *re; | |
da10bc25 MM |
1078 | struct mt_class *cls = &td->mtclass; |
1079 | char *buf; | |
1080 | int report_len; | |
5519cab4 BT |
1081 | |
1082 | if (td->inputmode < 0) | |
1083 | return; | |
1084 | ||
1085 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
1086 | r = re->report_id_hash[td->inputmode]; | |
1087 | if (r) { | |
da10bc25 | 1088 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
dabb05c6 | 1089 | report_len = hid_report_len(r); |
da10bc25 MM |
1090 | buf = hid_alloc_report_buf(r, GFP_KERNEL); |
1091 | if (!buf) { | |
1092 | hid_err(hdev, "failed to allocate buffer for report\n"); | |
1093 | return; | |
1094 | } | |
1095 | hid_hw_raw_request(hdev, r->id, buf, report_len, | |
1096 | HID_FEATURE_REPORT, | |
1097 | HID_REQ_GET_REPORT); | |
1098 | kfree(buf); | |
1099 | } | |
9abebedb | 1100 | r->field[0]->value[td->inputmode_index] = td->inputmode_value; |
d8814272 | 1101 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
5519cab4 BT |
1102 | } |
1103 | } | |
1104 | ||
31ae9bdd BT |
1105 | static void mt_set_maxcontacts(struct hid_device *hdev) |
1106 | { | |
1107 | struct mt_device *td = hid_get_drvdata(hdev); | |
1108 | struct hid_report *r; | |
1109 | struct hid_report_enum *re; | |
1110 | int fieldmax, max; | |
1111 | ||
1112 | if (td->maxcontact_report_id < 0) | |
1113 | return; | |
1114 | ||
1115 | if (!td->mtclass.maxcontacts) | |
1116 | return; | |
1117 | ||
1118 | re = &hdev->report_enum[HID_FEATURE_REPORT]; | |
1119 | r = re->report_id_hash[td->maxcontact_report_id]; | |
1120 | if (r) { | |
1121 | max = td->mtclass.maxcontacts; | |
1122 | fieldmax = r->field[0]->logical_maximum; | |
1123 | max = min(fieldmax, max); | |
1124 | if (r->field[0]->value[0] != max) { | |
1125 | r->field[0]->value[0] = max; | |
d8814272 | 1126 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
31ae9bdd BT |
1127 | } |
1128 | } | |
1129 | } | |
1130 | ||
4fa3a583 HR |
1131 | static void mt_post_parse_default_settings(struct mt_device *td) |
1132 | { | |
1133 | __s32 quirks = td->mtclass.quirks; | |
1134 | ||
1135 | /* unknown serial device needs special quirks */ | |
1136 | if (td->touches_by_report == 1) { | |
1137 | quirks |= MT_QUIRK_ALWAYS_VALID; | |
1138 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
1139 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
1140 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 1141 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
1142 | } |
1143 | ||
1144 | td->mtclass.quirks = quirks; | |
1145 | } | |
1146 | ||
3ac36d15 BT |
1147 | static void mt_post_parse(struct mt_device *td) |
1148 | { | |
1149 | struct mt_fields *f = td->fields; | |
c2517f62 | 1150 | struct mt_class *cls = &td->mtclass; |
3ac36d15 BT |
1151 | |
1152 | if (td->touches_by_report > 0) { | |
1153 | int field_count_per_touch = f->length / td->touches_by_report; | |
1154 | td->last_slot_field = f->usages[field_count_per_touch - 1]; | |
1155 | } | |
c2517f62 | 1156 | |
7e3cc447 | 1157 | if (td->cc_index < 0) |
c2517f62 | 1158 | cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
1159 | } |
1160 | ||
b2c68a2f | 1161 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
1162 | { |
1163 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
1164 | char *name; |
1165 | const char *suffix = NULL; | |
6aef704e | 1166 | struct hid_field *field = hi->report->field[0]; |
b2c68a2f | 1167 | int ret; |
76f5902a | 1168 | |
b2c68a2f DT |
1169 | if (hi->report->id == td->mt_report_id) { |
1170 | ret = mt_touch_input_configured(hdev, hi); | |
1171 | if (ret) | |
1172 | return ret; | |
1173 | } | |
76f5902a | 1174 | |
6aef704e BT |
1175 | /* |
1176 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1177 | * for the stylus. Check this first, and then rely on the application | |
1178 | * field. | |
1179 | */ | |
c08d46aa BT |
1180 | if (hi->report->field[0]->physical == HID_DG_STYLUS) { |
1181 | suffix = "Pen"; | |
e55f6200 BT |
1182 | /* force BTN_STYLUS to allow tablet matching in udev */ |
1183 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
6aef704e BT |
1184 | } else { |
1185 | switch (field->application) { | |
1186 | case HID_GD_KEYBOARD: | |
1187 | suffix = "Keyboard"; | |
1188 | break; | |
1189 | case HID_GD_KEYPAD: | |
1190 | suffix = "Keypad"; | |
1191 | break; | |
1192 | case HID_GD_MOUSE: | |
1193 | suffix = "Mouse"; | |
1194 | break; | |
1195 | case HID_DG_STYLUS: | |
1196 | suffix = "Pen"; | |
1197 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1198 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1199 | break; | |
1200 | case HID_DG_TOUCHSCREEN: | |
1201 | /* we do not set suffix = "Touchscreen" */ | |
1202 | break; | |
dc425a1c MW |
1203 | case HID_DG_TOUCHPAD: |
1204 | suffix = "Touchpad"; | |
1205 | break; | |
6aef704e BT |
1206 | case HID_GD_SYSTEM_CONTROL: |
1207 | suffix = "System Control"; | |
1208 | break; | |
1209 | case HID_CP_CONSUMER_CONTROL: | |
1210 | suffix = "Consumer Control"; | |
1211 | break; | |
1fbf74ef JPRV |
1212 | case HID_GD_WIRELESS_RADIO_CTLS: |
1213 | suffix = "Wireless Radio Control"; | |
1214 | break; | |
957b8dff JPRV |
1215 | case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: |
1216 | suffix = "Custom Media Keys"; | |
1217 | break; | |
6aef704e BT |
1218 | default: |
1219 | suffix = "UNKNOWN"; | |
1220 | break; | |
1221 | } | |
c08d46aa BT |
1222 | } |
1223 | ||
1224 | if (suffix) { | |
1225 | name = devm_kzalloc(&hi->input->dev, | |
1226 | strlen(hdev->name) + strlen(suffix) + 2, | |
1227 | GFP_KERNEL); | |
1228 | if (name) { | |
1229 | sprintf(name, "%s %s", hdev->name, suffix); | |
1230 | hi->input->name = name; | |
1231 | } | |
1232 | } | |
b2c68a2f DT |
1233 | |
1234 | return 0; | |
76f5902a HR |
1235 | } |
1236 | ||
f3287a99 BT |
1237 | static void mt_fix_const_field(struct hid_field *field, unsigned int usage) |
1238 | { | |
1239 | if (field->usage[0].hid != usage || | |
1240 | !(field->flags & HID_MAIN_ITEM_CONSTANT)) | |
1241 | return; | |
1242 | ||
1243 | field->flags &= ~HID_MAIN_ITEM_CONSTANT; | |
1244 | field->flags |= HID_MAIN_ITEM_VARIABLE; | |
1245 | } | |
1246 | ||
1247 | static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) | |
1248 | { | |
1249 | struct hid_report *report; | |
1250 | int i; | |
1251 | ||
1252 | list_for_each_entry(report, | |
1253 | &hdev->report_enum[HID_INPUT_REPORT].report_list, | |
1254 | list) { | |
1255 | ||
1256 | if (!report->maxfield) | |
1257 | continue; | |
1258 | ||
1259 | for (i = 0; i < report->maxfield; i++) | |
1260 | if (report->field[i]->maxusage >= 1) | |
1261 | mt_fix_const_field(report->field[i], usage); | |
1262 | } | |
1263 | } | |
1264 | ||
4f4001bc BT |
1265 | static void mt_release_contacts(struct hid_device *hid) |
1266 | { | |
1267 | struct hid_input *hidinput; | |
1268 | struct mt_device *td = hid_get_drvdata(hid); | |
1269 | ||
1270 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1271 | struct input_dev *input_dev = hidinput->input; | |
1272 | struct input_mt *mt = input_dev->mt; | |
1273 | int i; | |
1274 | ||
1275 | if (mt) { | |
1276 | for (i = 0; i < mt->num_slots; i++) { | |
1277 | input_mt_slot(input_dev, i); | |
1278 | input_mt_report_slot_state(input_dev, | |
1279 | MT_TOOL_FINGER, | |
1280 | false); | |
1281 | } | |
1282 | input_mt_sync_frame(input_dev); | |
1283 | input_sync(input_dev); | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | td->num_received = 0; | |
1288 | } | |
1289 | ||
1290 | static void mt_expired_timeout(unsigned long arg) | |
1291 | { | |
1292 | struct hid_device *hdev = (void *)arg; | |
1293 | struct mt_device *td = hid_get_drvdata(hdev); | |
1294 | ||
1295 | /* | |
1296 | * An input report came in just before we release the sticky fingers, | |
1297 | * it will take care of the sticky fingers. | |
1298 | */ | |
1299 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
1300 | return; | |
96098274 BT |
1301 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1302 | mt_release_contacts(hdev); | |
4f4001bc BT |
1303 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); |
1304 | } | |
1305 | ||
5519cab4 BT |
1306 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1307 | { | |
2d93666e | 1308 | int ret, i; |
5519cab4 | 1309 | struct mt_device *td; |
2d93666e BT |
1310 | struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
1311 | ||
94b5485c HR |
1312 | for (i = 0; mt_classes[i].name ; i++) { |
1313 | if (id->driver_data == mt_classes[i].name) { | |
1314 | mtclass = &(mt_classes[i]); | |
1315 | break; | |
2d93666e BT |
1316 | } |
1317 | } | |
5519cab4 | 1318 | |
c08d46aa | 1319 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1320 | if (!td) { |
1321 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1322 | return -ENOMEM; | |
1323 | } | |
eec29e3d | 1324 | td->mtclass = *mtclass; |
5519cab4 | 1325 | td->inputmode = -1; |
31ae9bdd | 1326 | td->maxcontact_report_id = -1; |
9abebedb | 1327 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
7e3cc447 | 1328 | td->cc_index = -1; |
fa11aa72 | 1329 | td->mt_report_id = -1; |
5519cab4 BT |
1330 | hid_set_drvdata(hdev, td); |
1331 | ||
c08d46aa BT |
1332 | td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields), |
1333 | GFP_KERNEL); | |
3ac36d15 BT |
1334 | if (!td->fields) { |
1335 | dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); | |
c08d46aa | 1336 | return -ENOMEM; |
3ac36d15 BT |
1337 | } |
1338 | ||
76f5902a HR |
1339 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1340 | td->serial_maybe = true; | |
1341 | ||
b897f6db BT |
1342 | /* |
1343 | * Store the initial quirk state | |
1344 | */ | |
1345 | td->initial_quirks = hdev->quirks; | |
1346 | ||
1347 | /* This allows the driver to correctly support devices | |
1348 | * that emit events over several HID messages. | |
1349 | */ | |
1350 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
1351 | ||
1352 | /* | |
1353 | * This allows the driver to handle different input sensors | |
1354 | * that emits events through different reports on the same HID | |
1355 | * device. | |
1356 | */ | |
1357 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; | |
1358 | hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT; | |
1359 | ||
1360 | /* | |
1361 | * Some multitouch screens do not like to be polled for input | |
1362 | * reports. Fortunately, the Win8 spec says that all touches | |
1363 | * should be sent during each report, making the initialization | |
1364 | * of input reports unnecessary. For Win7 devices, well, let's hope | |
1365 | * they will still be happy (this is only be a problem if a touch | |
1366 | * was already there while probing the device). | |
1367 | * | |
1368 | * In addition some touchpads do not behave well if we read | |
1369 | * all feature reports from them. Instead we prevent | |
1370 | * initial report fetching and then selectively fetch each | |
1371 | * report we are interested in. | |
1372 | */ | |
1373 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; | |
1374 | ||
4f4001bc BT |
1375 | setup_timer(&td->release_timer, mt_expired_timeout, (long)hdev); |
1376 | ||
5519cab4 BT |
1377 | ret = hid_parse(hdev); |
1378 | if (ret != 0) | |
c08d46aa | 1379 | return ret; |
5519cab4 | 1380 | |
f3287a99 BT |
1381 | if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) |
1382 | mt_fix_const_fields(hdev, HID_DG_CONTACTID); | |
1383 | ||
5519cab4 | 1384 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
2d93666e | 1385 | if (ret) |
c08d46aa | 1386 | return ret; |
5519cab4 | 1387 | |
eec29e3d | 1388 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1389 | if (ret) |
1390 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1391 | hdev->name); | |
eec29e3d | 1392 | |
31ae9bdd | 1393 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1394 | mt_set_input_mode(hdev); |
1395 | ||
c08d46aa BT |
1396 | /* release .fields memory as it is not used anymore */ |
1397 | devm_kfree(&hdev->dev, td->fields); | |
3ac36d15 BT |
1398 | td->fields = NULL; |
1399 | ||
5519cab4 | 1400 | return 0; |
5519cab4 BT |
1401 | } |
1402 | ||
1403 | #ifdef CONFIG_PM | |
1404 | static int mt_reset_resume(struct hid_device *hdev) | |
1405 | { | |
d3e69b9a | 1406 | mt_release_contacts(hdev); |
31ae9bdd | 1407 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1408 | mt_set_input_mode(hdev); |
1409 | return 0; | |
1410 | } | |
dfeefd10 SL |
1411 | |
1412 | static int mt_resume(struct hid_device *hdev) | |
1413 | { | |
dfeefd10 SL |
1414 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1415 | * It should be safe to send it to other devices too. | |
1416 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1417 | ||
4ba25d3f | 1418 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 SL |
1419 | |
1420 | return 0; | |
1421 | } | |
5519cab4 BT |
1422 | #endif |
1423 | ||
1424 | static void mt_remove(struct hid_device *hdev) | |
1425 | { | |
b897f6db BT |
1426 | struct mt_device *td = hid_get_drvdata(hdev); |
1427 | ||
4f4001bc BT |
1428 | del_timer_sync(&td->release_timer); |
1429 | ||
eec29e3d | 1430 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1431 | hid_hw_stop(hdev); |
b897f6db | 1432 | hdev->quirks = td->initial_quirks; |
5519cab4 BT |
1433 | } |
1434 | ||
0fa9c616 BT |
1435 | /* |
1436 | * This list contains only: | |
1437 | * - VID/PID of products not working with the default multitouch handling | |
1438 | * - 2 generic rules. | |
1439 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1440 | */ | |
5519cab4 BT |
1441 | static const struct hid_device_id mt_devices[] = { |
1442 | ||
f786bba4 BT |
1443 | /* 3M panels */ |
1444 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1445 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1446 | USB_DEVICE_ID_3M1968) }, |
1447 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1448 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1449 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1450 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1451 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1452 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1453 | |
504c932c MO |
1454 | /* Alps devices */ |
1455 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1456 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1457 | USB_VENDOR_ID_ALPS_JP, | |
1458 | HID_DEVICE_ID_ALPS_U1_DUAL_PTP) }, | |
1459 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1460 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1461 | USB_VENDOR_ID_ALPS_JP, | |
1462 | HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) }, | |
1463 | ||
6aef704e BT |
1464 | /* Anton devices */ |
1465 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1466 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1467 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1468 | |
957b8dff JPRV |
1469 | /* Asus T304UA */ |
1470 | { .driver_data = MT_CLS_ASUS, | |
1471 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1472 | USB_VENDOR_ID_ASUSTEK, | |
1473 | USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, | |
1474 | ||
b1057124 | 1475 | /* Atmel panels */ |
841cb157 | 1476 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1477 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1478 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1479 | |
9ed32695 | 1480 | /* Baanto multitouch devices */ |
dc3e1d80 | 1481 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1482 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1483 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1484 | |
a841b62c BT |
1485 | /* Cando panels */ |
1486 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1487 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1488 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1489 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1490 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1491 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1492 | ||
942fd422 | 1493 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1494 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1495 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1496 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1497 | ||
070f63b4 YB |
1498 | /* CJTouch panels */ |
1499 | { .driver_data = MT_CLS_NSMU, | |
1500 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1501 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1502 | { .driver_data = MT_CLS_NSMU, | |
1503 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1504 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1505 | ||
79603dc9 | 1506 | /* CVTouch panels */ |
dc3e1d80 | 1507 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1508 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1509 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1510 | ||
22408283 | 1511 | /* eGalax devices (resistive) */ |
e36f690b | 1512 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1513 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1514 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1515 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1516 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1517 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1518 | |
1519 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1520 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1521 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1522 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1523 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1524 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1525 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1526 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1527 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1528 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1529 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1530 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1531 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1532 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1533 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1534 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1535 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1536 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1537 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1538 | { .driver_data = MT_CLS_EGALAX, |
1539 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1540 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1541 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1542 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1543 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1544 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1545 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1546 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1547 | { .driver_data = MT_CLS_EGALAX, |
1548 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1549 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1550 | { .driver_data = MT_CLS_EGALAX, | |
1551 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1552 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1553 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1554 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1555 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1556 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1557 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1558 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1559 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1560 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1561 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1562 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1563 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1564 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1565 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1566 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1567 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
22408283 | 1568 | |
7c7606a2 TS |
1569 | /* Elitegroup panel */ |
1570 | { .driver_data = MT_CLS_SERIAL, | |
1571 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
1572 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
1573 | ||
77723e3b HR |
1574 | /* Flatfrog Panels */ |
1575 | { .driver_data = MT_CLS_FLATFROG, | |
1576 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
1577 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
1578 | ||
3db187e7 BT |
1579 | /* FocalTech Panels */ |
1580 | { .driver_data = MT_CLS_SERIAL, | |
1581 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
1582 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
1583 | ||
5572da08 | 1584 | /* GeneralTouch panel */ |
f5ff4e1e | 1585 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 1586 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 1587 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
1588 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1589 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1590 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
1591 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1592 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1593 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
1594 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1595 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1596 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
1597 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1598 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1599 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
1600 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1601 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1602 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
1603 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1604 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1605 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 1606 | |
4d5df5d1 | 1607 | /* Gametel game controller */ |
dc3e1d80 | 1608 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1609 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
1610 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1611 | ||
ee0fbd14 | 1612 | /* GoodTouch panels */ |
dc3e1d80 | 1613 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1614 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
1615 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1616 | ||
54580365 BT |
1617 | /* Hanvon panels */ |
1618 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 1619 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
1620 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1621 | ||
4e61f0d7 | 1622 | /* Ilitek dual touch panel */ |
dc3e1d80 | 1623 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1624 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
1625 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1626 | ||
f3287a99 BT |
1627 | /* LG Melfas panel */ |
1628 | { .driver_data = MT_CLS_LG, | |
1629 | HID_USB_DEVICE(USB_VENDOR_ID_LG, | |
1630 | USB_DEVICE_ID_LG_MELFAS_MT) }, | |
1631 | ||
4a6ee685 BT |
1632 | /* MosArt panels */ |
1633 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1634 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1635 | USB_DEVICE_ID_ASUS_T91MT)}, |
1636 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1637 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1638 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1639 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1640 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
1641 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1642 | ||
2258e863 DK |
1643 | /* Panasonic panels */ |
1644 | { .driver_data = MT_CLS_PANASONIC, | |
2c2110e9 | 1645 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
2258e863 DK |
1646 | USB_DEVICE_ID_PANABOARD_UBT780) }, |
1647 | { .driver_data = MT_CLS_PANASONIC, | |
2c2110e9 | 1648 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
2258e863 DK |
1649 | USB_DEVICE_ID_PANABOARD_UBT880) }, |
1650 | ||
4db703ea | 1651 | /* Novatek Panel */ |
dc3e1d80 | 1652 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 1653 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
1654 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1655 | ||
a80e803a BT |
1656 | /* Ntrig Panel */ |
1657 | { .driver_data = MT_CLS_NSMU, | |
1658 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1659 | USB_VENDOR_ID_NTRIG, 0x1b05) }, | |
1660 | ||
b7ea95ff AT |
1661 | /* PixArt optical touch screen */ |
1662 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1663 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1664 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1665 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1666 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1667 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1668 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1669 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1670 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1671 | ||
5519cab4 | 1672 | /* PixCir-based panels */ |
1e9cf35b | 1673 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 1674 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
1675 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1676 | ||
5e7ea11f | 1677 | /* Quanta-based panels */ |
5e7ea11f | 1678 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 1679 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 1680 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 1681 | |
043b403a | 1682 | /* Stantum panels */ |
bf5af9b5 | 1683 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 1684 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 1685 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 1686 | |
847672cd BT |
1687 | /* TopSeed panels */ |
1688 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 1689 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
1690 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1691 | ||
5e74e56d | 1692 | /* Touch International panels */ |
dc3e1d80 | 1693 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1694 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
1695 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1696 | ||
617b64f9 | 1697 | /* Unitec panels */ |
dc3e1d80 | 1698 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1699 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1700 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 1701 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1702 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1703 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 1704 | |
da10bc25 MM |
1705 | /* VTL panels */ |
1706 | { .driver_data = MT_CLS_VTL, | |
1707 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
1708 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
1709 | ||
bf9d121e KC |
1710 | /* Wistron panels */ |
1711 | { .driver_data = MT_CLS_NSMU, | |
1712 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
1713 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
1714 | ||
bc8a2a9b | 1715 | /* XAT */ |
dc3e1d80 | 1716 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1717 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 1718 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 1719 | |
11576c61 | 1720 | /* Xiroku */ |
dc3e1d80 | 1721 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1722 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1723 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 1724 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1725 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1726 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 1727 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1728 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1729 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 1730 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1731 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1732 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 1733 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1734 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1735 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 1736 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1737 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1738 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 1739 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1740 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1741 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 1742 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1743 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1744 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 1745 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1746 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
1747 | USB_DEVICE_ID_XIROKU_CSR2) }, |
1748 | ||
0e82232c WNH |
1749 | /* Google MT devices */ |
1750 | { .driver_data = MT_CLS_GOOGLE, | |
1751 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, | |
1752 | USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, | |
1753 | ||
4fa3a583 HR |
1754 | /* Generic MT device */ |
1755 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
1756 | |
1757 | /* Generic Win 8 certified MT device */ | |
1758 | { .driver_data = MT_CLS_WIN_8, | |
1759 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
1760 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
1761 | { } |
1762 | }; | |
1763 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
1764 | ||
1765 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
1766 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
1767 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
1768 | }; | |
1769 | ||
1770 | static struct hid_driver mt_driver = { | |
1771 | .name = "hid-multitouch", | |
1772 | .id_table = mt_devices, | |
1773 | .probe = mt_probe, | |
1774 | .remove = mt_remove, | |
1775 | .input_mapping = mt_input_mapping, | |
1776 | .input_mapped = mt_input_mapped, | |
76f5902a | 1777 | .input_configured = mt_input_configured, |
5519cab4 BT |
1778 | .feature_mapping = mt_feature_mapping, |
1779 | .usage_table = mt_grabbed_usages, | |
1780 | .event = mt_event, | |
55978fa9 | 1781 | .report = mt_report, |
5519cab4 BT |
1782 | #ifdef CONFIG_PM |
1783 | .reset_resume = mt_reset_resume, | |
dfeefd10 | 1784 | .resume = mt_resume, |
5519cab4 BT |
1785 | #endif |
1786 | }; | |
f425458e | 1787 | module_hid_driver(mt_driver); |