Commit | Line | Data |
---|---|---|
5519cab4 BT |
1 | /* |
2 | * HID driver for multitouch panels | |
3 | * | |
c2ef8f21 | 4 | * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> |
b0a78681 | 5 | * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com> |
c2ef8f21 | 6 | * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France |
b0a78681 | 7 | * Copyright (c) 2012-2013 Red Hat, Inc |
5519cab4 | 8 | * |
4875ac11 RN |
9 | * This code is partly based on hid-egalax.c: |
10 | * | |
11 | * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> | |
12 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> | |
13 | * Copyright (c) 2010 Canonical, Ltd. | |
14 | * | |
f786bba4 BT |
15 | * This code is partly based on hid-3m-pct.c: |
16 | * | |
17 | * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> | |
18 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> | |
19 | * Copyright (c) 2010 Canonical, Ltd. | |
20 | * | |
5519cab4 BT |
21 | */ |
22 | ||
23 | /* | |
24 | * This program is free software; you can redistribute it and/or modify it | |
25 | * under the terms of the GNU General Public License as published by the Free | |
26 | * Software Foundation; either version 2 of the License, or (at your option) | |
27 | * any later version. | |
28 | */ | |
29 | ||
b0a78681 BT |
30 | /* |
31 | * This driver is regularly tested thanks to the tool hid-test[1]. | |
32 | * This tool relies on hid-replay[2] and a database of hid devices[3]. | |
33 | * Please run these regression tests before patching this module so that | |
34 | * your patch won't break existing known devices. | |
35 | * | |
36 | * [1] https://github.com/bentiss/hid-test | |
37 | * [2] https://github.com/bentiss/hid-replay | |
38 | * [3] https://github.com/bentiss/hid-devices | |
39 | */ | |
40 | ||
5519cab4 BT |
41 | #include <linux/device.h> |
42 | #include <linux/hid.h> | |
43 | #include <linux/module.h> | |
44 | #include <linux/slab.h> | |
5519cab4 | 45 | #include <linux/input/mt.h> |
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 { |
00720277 | 88 | __s32 x, y, cx, cy, p, w, h, a; |
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? */ |
00720277 | 93 | bool has_azimuth; /* the contact reports azimuth */ |
5519cab4 BT |
94 | }; |
95 | ||
eec29e3d BT |
96 | struct mt_class { |
97 | __s32 name; /* MT_CLS */ | |
98 | __s32 quirks; | |
99 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
100 | __s32 sn_width; /* Signal/noise ratio for width events */ | |
101 | __s32 sn_height; /* Signal/noise ratio for height events */ | |
102 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
103 | __u8 maxcontacts; | |
c2ef8f21 | 104 | bool is_indirect; /* true for touchpads */ |
6aef704e | 105 | bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ |
eec29e3d BT |
106 | }; |
107 | ||
3ac36d15 BT |
108 | struct mt_fields { |
109 | unsigned usages[HID_MAX_FIELDS]; | |
110 | unsigned int length; | |
111 | }; | |
112 | ||
5519cab4 BT |
113 | struct mt_device { |
114 | struct mt_slot curdata; /* placeholder of incoming data */ | |
eec29e3d | 115 | struct mt_class mtclass; /* our mt device class */ |
4f4001bc | 116 | struct timer_list release_timer; /* to release sticky fingers */ |
0ee32774 | 117 | struct hid_device *hdev; /* hid_device we're attached to */ |
3ac36d15 BT |
118 | struct mt_fields *fields; /* temporary placeholder for storing the |
119 | multitouch fields */ | |
4f4001bc | 120 | unsigned long mt_io_flags; /* mt flags (MT_IO_FLAGS_*) */ |
7e3cc447 BT |
121 | int cc_index; /* contact count field index in the report */ |
122 | int cc_value_index; /* contact count value index in the field */ | |
af8dc4d0 HG |
123 | int scantime_index; /* scantime field index in the report */ |
124 | int scantime_val_index; /* scantime value index in the field */ | |
125 | int prev_scantime; /* scantime reported in the previous packet */ | |
127e71bd | 126 | int left_button_state; /* left button state */ |
5519cab4 | 127 | unsigned last_slot_field; /* the last field of a slot */ |
55978fa9 | 128 | unsigned mt_report_id; /* the report ID of the multitouch device */ |
b897f6db | 129 | unsigned long initial_quirks; /* initial quirks state */ |
8821f5dc BT |
130 | __s16 inputmode; /* InputMode HID feature, -1 if non-existent */ |
131 | __s16 inputmode_index; /* InputMode HID feature index in the report */ | |
132 | __s16 maxcontact_report_id; /* Maximum Contact Number HID feature, | |
31ae9bdd | 133 | -1 if non-existent */ |
9abebedb | 134 | __u8 inputmode_value; /* InputMode HID feature value */ |
5519cab4 BT |
135 | __u8 num_received; /* how many contacts we received */ |
136 | __u8 num_expected; /* expected last contact index */ | |
9498f954 | 137 | __u8 maxcontacts; |
9e87f22a BT |
138 | __u8 touches_by_report; /* how many touches are present in one report: |
139 | * 1 means we should use a serial protocol | |
140 | * > 1 means hybrid (multitouch) protocol */ | |
015fdaa9 | 141 | __u8 buttons_count; /* number of physical buttons per touchpad */ |
2c6e0277 | 142 | bool is_buttonpad; /* is this device a button pad? */ |
76f5902a | 143 | bool serial_maybe; /* need to check for serial protocol */ |
5519cab4 | 144 | bool curvalid; /* is the current contact valid? */ |
76f5902a | 145 | unsigned mt_flags; /* flags to pass to input-mt */ |
29cc309d NB |
146 | __s32 dev_time; /* the scan time provided by the device */ |
147 | unsigned long jiffies; /* the frame's jiffies */ | |
148 | int timestamp; /* the timestamp to be sent */ | |
5519cab4 BT |
149 | }; |
150 | ||
a69c5f8b BT |
151 | static void mt_post_parse_default_settings(struct mt_device *td); |
152 | static void mt_post_parse(struct mt_device *td); | |
153 | ||
5519cab4 | 154 | /* classes of device behavior */ |
22408283 BT |
155 | #define MT_CLS_DEFAULT 0x0001 |
156 | ||
a062cc5a SC |
157 | #define MT_CLS_SERIAL 0x0002 |
158 | #define MT_CLS_CONFIDENCE 0x0003 | |
5e7ea11f BT |
159 | #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
160 | #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 | |
161 | #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 | |
162 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 | |
0fa9c616 | 163 | /* reserved 0x0008 */ |
b7ea95ff | 164 | #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
dc3e1d80 | 165 | #define MT_CLS_NSMU 0x000a |
0fa9c616 BT |
166 | /* reserved 0x0010 */ |
167 | /* reserved 0x0011 */ | |
f961bd35 | 168 | #define MT_CLS_WIN_8 0x0012 |
6aef704e | 169 | #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 |
504c932c | 170 | #define MT_CLS_WIN_8_DUAL 0x0014 |
22408283 BT |
171 | |
172 | /* vendor specific classes */ | |
173 | #define MT_CLS_3M 0x0101 | |
0fa9c616 | 174 | /* reserved 0x0102 */ |
22408283 | 175 | #define MT_CLS_EGALAX 0x0103 |
1b723e8d | 176 | #define MT_CLS_EGALAX_SERIAL 0x0104 |
847672cd | 177 | #define MT_CLS_TOPSEED 0x0105 |
2258e863 | 178 | #define MT_CLS_PANASONIC 0x0106 |
77723e3b | 179 | #define MT_CLS_FLATFROG 0x0107 |
cdcd3ac4 JK |
180 | #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
181 | #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 | |
f3287a99 | 182 | #define MT_CLS_LG 0x010a |
957b8dff | 183 | #define MT_CLS_ASUS 0x010b |
da10bc25 | 184 | #define MT_CLS_VTL 0x0110 |
0e82232c | 185 | #define MT_CLS_GOOGLE 0x0111 |
5519cab4 | 186 | |
9498f954 | 187 | #define MT_DEFAULT_MAXCONTACT 10 |
afbcb04c | 188 | #define MT_MAX_MAXCONTACT 250 |
9498f954 | 189 | |
29cc309d NB |
190 | /* |
191 | * Resync device and local timestamps after that many microseconds without | |
192 | * receiving data. | |
193 | */ | |
194 | #define MAX_TIMESTAMP_INTERVAL 1000000 | |
195 | ||
2c2110e9 HR |
196 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
197 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) | |
198 | ||
5519cab4 BT |
199 | /* |
200 | * these device-dependent functions determine what slot corresponds | |
201 | * to a valid contact that was just read. | |
202 | */ | |
203 | ||
a3b5e577 BT |
204 | static int cypress_compute_slot(struct mt_device *td) |
205 | { | |
206 | if (td->curdata.contactid != 0 || td->num_received == 0) | |
207 | return td->curdata.contactid; | |
208 | else | |
209 | return -1; | |
210 | } | |
211 | ||
b3c21d2c | 212 | static struct mt_class mt_classes[] = { |
2d93666e | 213 | { .name = MT_CLS_DEFAULT, |
dc3e1d80 BT |
214 | .quirks = MT_QUIRK_ALWAYS_VALID | |
215 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
216 | { .name = MT_CLS_NSMU, | |
9498f954 | 217 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
a062cc5a SC |
218 | { .name = MT_CLS_SERIAL, |
219 | .quirks = MT_QUIRK_ALWAYS_VALID}, | |
22408283 BT |
220 | { .name = MT_CLS_CONFIDENCE, |
221 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, | |
5e7ea11f BT |
222 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
223 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
224 | MT_QUIRK_SLOT_IS_CONTACTID }, | |
22408283 BT |
225 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
226 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
227 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, | |
1e9cf35b | 228 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
229 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
230 | MT_QUIRK_SLOT_IS_CONTACTID, | |
231 | .maxcontacts = 2 }, | |
1e9cf35b | 232 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
233 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
234 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
235 | .maxcontacts = 2 }, | |
b7ea95ff AT |
236 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
237 | .quirks = MT_QUIRK_VALID_IS_INRANGE | | |
238 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, | |
f961bd35 BT |
239 | { .name = MT_CLS_WIN_8, |
240 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
241 | MT_QUIRK_IGNORE_DUPLICATES | | |
242 | MT_QUIRK_HOVERING | | |
4f4001bc BT |
243 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
244 | MT_QUIRK_STICKY_FINGERS }, | |
6aef704e BT |
245 | { .name = MT_CLS_EXPORT_ALL_INPUTS, |
246 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
247 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
248 | .export_all_inputs = true }, | |
504c932c MO |
249 | { .name = MT_CLS_WIN_8_DUAL, |
250 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
251 | MT_QUIRK_IGNORE_DUPLICATES | | |
252 | MT_QUIRK_HOVERING | | |
253 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
254 | .export_all_inputs = true }, | |
22408283 BT |
255 | |
256 | /* | |
257 | * vendor specific classes | |
258 | */ | |
259 | { .name = MT_CLS_3M, | |
260 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
e9d0a26d HC |
261 | MT_QUIRK_SLOT_IS_CONTACTID | |
262 | MT_QUIRK_TOUCH_SIZE_SCALING, | |
22408283 BT |
263 | .sn_move = 2048, |
264 | .sn_width = 128, | |
c5d40be5 HR |
265 | .sn_height = 128, |
266 | .maxcontacts = 60, | |
267 | }, | |
4875ac11 RN |
268 | { .name = MT_CLS_EGALAX, |
269 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
2261bb9f | 270 | MT_QUIRK_VALID_IS_INRANGE, |
4875ac11 RN |
271 | .sn_move = 4096, |
272 | .sn_pressure = 32, | |
273 | }, | |
1b723e8d BT |
274 | { .name = MT_CLS_EGALAX_SERIAL, |
275 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
276 | MT_QUIRK_ALWAYS_VALID, | |
4875ac11 RN |
277 | .sn_move = 4096, |
278 | .sn_pressure = 32, | |
279 | }, | |
847672cd BT |
280 | { .name = MT_CLS_TOPSEED, |
281 | .quirks = MT_QUIRK_ALWAYS_VALID, | |
282 | .is_indirect = true, | |
283 | .maxcontacts = 2, | |
284 | }, | |
2258e863 DK |
285 | { .name = MT_CLS_PANASONIC, |
286 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, | |
287 | .maxcontacts = 4 }, | |
f5ff4e1e XY |
288 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
289 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
290 | MT_QUIRK_VALID_IS_INRANGE | | |
7b226292 | 291 | MT_QUIRK_SLOT_IS_CONTACTID, |
f5ff4e1e XY |
292 | .maxcontacts = 2 |
293 | }, | |
294 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
295 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
7b226292 | 296 | MT_QUIRK_SLOT_IS_CONTACTID |
f5ff4e1e | 297 | }, |
043b403a | 298 | |
77723e3b HR |
299 | { .name = MT_CLS_FLATFROG, |
300 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
301 | MT_QUIRK_NO_AREA, | |
302 | .sn_move = 2048, | |
303 | .maxcontacts = 40, | |
304 | }, | |
f3287a99 BT |
305 | { .name = MT_CLS_LG, |
306 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
307 | MT_QUIRK_FIX_CONST_CONTACT_ID | | |
308 | MT_QUIRK_IGNORE_DUPLICATES | | |
309 | MT_QUIRK_HOVERING | | |
310 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
957b8dff JPRV |
311 | { .name = MT_CLS_ASUS, |
312 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
313 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
314 | MT_QUIRK_ASUS_CUSTOM_UP }, | |
da10bc25 MM |
315 | { .name = MT_CLS_VTL, |
316 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
317 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
318 | MT_QUIRK_FORCE_GET_FEATURE, | |
319 | }, | |
0e82232c WNH |
320 | { .name = MT_CLS_GOOGLE, |
321 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
322 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
323 | MT_QUIRK_SLOT_IS_CONTACTID | | |
324 | MT_QUIRK_HOVERING | |
325 | }, | |
2d93666e | 326 | { } |
5519cab4 BT |
327 | }; |
328 | ||
eec29e3d BT |
329 | static ssize_t mt_show_quirks(struct device *dev, |
330 | struct device_attribute *attr, | |
331 | char *buf) | |
332 | { | |
ee79a8f8 | 333 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
334 | struct mt_device *td = hid_get_drvdata(hdev); |
335 | ||
336 | return sprintf(buf, "%u\n", td->mtclass.quirks); | |
337 | } | |
338 | ||
339 | static ssize_t mt_set_quirks(struct device *dev, | |
340 | struct device_attribute *attr, | |
341 | const char *buf, size_t count) | |
342 | { | |
ee79a8f8 | 343 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
344 | struct mt_device *td = hid_get_drvdata(hdev); |
345 | ||
346 | unsigned long val; | |
347 | ||
348 | if (kstrtoul(buf, 0, &val)) | |
349 | return -EINVAL; | |
350 | ||
351 | td->mtclass.quirks = val; | |
352 | ||
7e3cc447 | 353 | if (td->cc_index < 0) |
c2517f62 BT |
354 | td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
355 | ||
eec29e3d BT |
356 | return count; |
357 | } | |
358 | ||
359 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); | |
360 | ||
361 | static struct attribute *sysfs_attrs[] = { | |
362 | &dev_attr_quirks.attr, | |
363 | NULL | |
364 | }; | |
365 | ||
9182fb98 | 366 | static const struct attribute_group mt_attribute_group = { |
eec29e3d BT |
367 | .attrs = sysfs_attrs |
368 | }; | |
369 | ||
6d4f5440 MW |
370 | static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) |
371 | { | |
372 | struct mt_device *td = hid_get_drvdata(hdev); | |
373 | int ret, size = hid_report_len(report); | |
374 | u8 *buf; | |
375 | ||
376 | /* | |
b897f6db BT |
377 | * Do not fetch the feature report if the device has been explicitly |
378 | * marked as non-capable. | |
6d4f5440 | 379 | */ |
b897f6db | 380 | if (td->initial_quirks & HID_QUIRK_NO_INIT_REPORTS) |
6d4f5440 MW |
381 | return; |
382 | ||
383 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
384 | if (!buf) | |
385 | return; | |
386 | ||
387 | ret = hid_hw_raw_request(hdev, report->id, buf, size, | |
388 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
389 | if (ret < 0) { | |
390 | dev_warn(&hdev->dev, "failed to fetch feature %d\n", | |
391 | report->id); | |
392 | } else { | |
393 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, | |
394 | size, 0); | |
395 | if (ret) | |
396 | dev_warn(&hdev->dev, "failed to report feature\n"); | |
397 | } | |
398 | ||
399 | kfree(buf); | |
400 | } | |
401 | ||
f635bd11 | 402 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
403 | struct hid_field *field, struct hid_usage *usage) |
404 | { | |
9498f954 BT |
405 | struct mt_device *td = hid_get_drvdata(hdev); |
406 | ||
407 | switch (usage->hid) { | |
408 | case HID_DG_INPUTMODE: | |
8821f5dc BT |
409 | /* Ignore if value index is out of bounds. */ |
410 | if (usage->usage_index >= field->report_count) { | |
411 | dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); | |
412 | break; | |
4aceed37 BT |
413 | } |
414 | ||
73e7d63e BT |
415 | if (td->inputmode < 0) { |
416 | td->inputmode = field->report->id; | |
417 | td->inputmode_index = usage->usage_index; | |
418 | } else { | |
419 | /* | |
420 | * Some elan panels wrongly declare 2 input mode | |
421 | * features, and silently ignore when we set the | |
422 | * value in the second field. Skip the second feature | |
423 | * and hope for the best. | |
424 | */ | |
425 | dev_info(&hdev->dev, | |
426 | "Ignoring the extra HID_DG_INPUTMODE\n"); | |
427 | } | |
8821f5dc | 428 | |
9498f954 BT |
429 | break; |
430 | case HID_DG_CONTACTMAX: | |
6d4f5440 MW |
431 | mt_get_feature(hdev, field->report); |
432 | ||
31ae9bdd | 433 | td->maxcontact_report_id = field->report->id; |
9498f954 | 434 | td->maxcontacts = field->value[0]; |
afbcb04c BT |
435 | if (!td->maxcontacts && |
436 | field->logical_maximum <= MT_MAX_MAXCONTACT) | |
437 | td->maxcontacts = field->logical_maximum; | |
eec29e3d | 438 | if (td->mtclass.maxcontacts) |
9498f954 | 439 | /* check if the maxcontacts is given by the class */ |
eec29e3d | 440 | td->maxcontacts = td->mtclass.maxcontacts; |
9498f954 | 441 | |
2c6e0277 SF |
442 | break; |
443 | case HID_DG_BUTTONTYPE: | |
444 | if (usage->usage_index >= field->report_count) { | |
445 | dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); | |
446 | break; | |
447 | } | |
448 | ||
6d4f5440 | 449 | mt_get_feature(hdev, field->report); |
2c6e0277 SF |
450 | if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) |
451 | td->is_buttonpad = true; | |
452 | ||
9498f954 | 453 | break; |
45c5c682 BT |
454 | case 0xff0000c5: |
455 | /* Retrieve the Win8 blob once to enable some devices */ | |
456 | if (usage->usage_index == 0) | |
457 | mt_get_feature(hdev, field->report); | |
458 | break; | |
5519cab4 BT |
459 | } |
460 | } | |
461 | ||
462 | static void set_abs(struct input_dev *input, unsigned int code, | |
463 | struct hid_field *field, int snratio) | |
464 | { | |
465 | int fmin = field->logical_minimum; | |
466 | int fmax = field->logical_maximum; | |
467 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
468 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
37cf6e6f | 469 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
5519cab4 BT |
470 | } |
471 | ||
3ac36d15 | 472 | static void mt_store_field(struct hid_usage *usage, struct mt_device *td, |
ed9d5c96 BT |
473 | struct hid_input *hi) |
474 | { | |
3ac36d15 BT |
475 | struct mt_fields *f = td->fields; |
476 | ||
477 | if (f->length >= HID_MAX_FIELDS) | |
478 | return; | |
479 | ||
480 | f->usages[f->length++] = usage->hid; | |
ed9d5c96 BT |
481 | } |
482 | ||
a69c5f8b | 483 | static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 BT |
484 | struct hid_field *field, struct hid_usage *usage, |
485 | unsigned long **bit, int *max) | |
486 | { | |
487 | struct mt_device *td = hid_get_drvdata(hdev); | |
eec29e3d | 488 | struct mt_class *cls = &td->mtclass; |
c2ef8f21 | 489 | int code; |
349fd670 | 490 | struct hid_usage *prev_usage = NULL; |
4875ac11 | 491 | |
658d4aed | 492 | if (field->application == HID_DG_TOUCHSCREEN) |
76f5902a | 493 | td->mt_flags |= INPUT_MT_DIRECT; |
658d4aed | 494 | |
76f5902a HR |
495 | /* |
496 | * Model touchscreens providing buttons as touchpads. | |
c2ef8f21 BT |
497 | */ |
498 | if (field->application == HID_DG_TOUCHPAD || | |
9abebedb | 499 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
76f5902a | 500 | td->mt_flags |= INPUT_MT_POINTER; |
9abebedb AD |
501 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
502 | } | |
c2ef8f21 | 503 | |
015fdaa9 BT |
504 | /* count the buttons on touchpads */ |
505 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
506 | td->buttons_count++; | |
507 | ||
349fd670 BT |
508 | if (usage->usage_index) |
509 | prev_usage = &field->usage[usage->usage_index - 1]; | |
510 | ||
5519cab4 BT |
511 | switch (usage->hid & HID_USAGE_PAGE) { |
512 | ||
513 | case HID_UP_GENDESK: | |
514 | switch (usage->hid) { | |
515 | case HID_GD_X: | |
349fd670 BT |
516 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
517 | hid_map_usage(hi, usage, bit, max, | |
518 | EV_ABS, ABS_MT_TOOL_X); | |
519 | set_abs(hi->input, ABS_MT_TOOL_X, field, | |
520 | cls->sn_move); | |
521 | } else { | |
522 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 523 | EV_ABS, ABS_MT_POSITION_X); |
349fd670 BT |
524 | set_abs(hi->input, ABS_MT_POSITION_X, field, |
525 | cls->sn_move); | |
526 | } | |
527 | ||
3ac36d15 | 528 | mt_store_field(usage, td, hi); |
5519cab4 BT |
529 | return 1; |
530 | case HID_GD_Y: | |
349fd670 BT |
531 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
532 | hid_map_usage(hi, usage, bit, max, | |
533 | EV_ABS, ABS_MT_TOOL_Y); | |
534 | set_abs(hi->input, ABS_MT_TOOL_Y, field, | |
535 | cls->sn_move); | |
536 | } else { | |
537 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 538 | EV_ABS, ABS_MT_POSITION_Y); |
349fd670 BT |
539 | set_abs(hi->input, ABS_MT_POSITION_Y, field, |
540 | cls->sn_move); | |
541 | } | |
542 | ||
3ac36d15 | 543 | mt_store_field(usage, td, hi); |
5519cab4 BT |
544 | return 1; |
545 | } | |
546 | return 0; | |
547 | ||
548 | case HID_UP_DIGITIZER: | |
549 | switch (usage->hid) { | |
550 | case HID_DG_INRANGE: | |
9b3bb9b8 BT |
551 | if (cls->quirks & MT_QUIRK_HOVERING) { |
552 | hid_map_usage(hi, usage, bit, max, | |
553 | EV_ABS, ABS_MT_DISTANCE); | |
554 | input_set_abs_params(hi->input, | |
555 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
556 | } | |
3ac36d15 | 557 | mt_store_field(usage, td, hi); |
5519cab4 BT |
558 | return 1; |
559 | case HID_DG_CONFIDENCE: | |
504c932c MO |
560 | if ((cls->name == MT_CLS_WIN_8 || |
561 | cls->name == MT_CLS_WIN_8_DUAL) && | |
6dd2e27a AH |
562 | field->application == HID_DG_TOUCHPAD) |
563 | cls->quirks |= MT_QUIRK_CONFIDENCE; | |
3ac36d15 | 564 | mt_store_field(usage, td, hi); |
5519cab4 BT |
565 | return 1; |
566 | case HID_DG_TIPSWITCH: | |
567 | hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); | |
568 | input_set_capability(hi->input, EV_KEY, BTN_TOUCH); | |
3ac36d15 | 569 | mt_store_field(usage, td, hi); |
5519cab4 BT |
570 | return 1; |
571 | case HID_DG_CONTACTID: | |
3ac36d15 | 572 | mt_store_field(usage, td, hi); |
9e87f22a | 573 | td->touches_by_report++; |
55978fa9 | 574 | td->mt_report_id = field->report->id; |
5519cab4 BT |
575 | return 1; |
576 | case HID_DG_WIDTH: | |
577 | hid_map_usage(hi, usage, bit, max, | |
578 | EV_ABS, ABS_MT_TOUCH_MAJOR); | |
77723e3b HR |
579 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) |
580 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, | |
581 | cls->sn_width); | |
3ac36d15 | 582 | mt_store_field(usage, td, hi); |
5519cab4 BT |
583 | return 1; |
584 | case HID_DG_HEIGHT: | |
585 | hid_map_usage(hi, usage, bit, max, | |
586 | EV_ABS, ABS_MT_TOUCH_MINOR); | |
77723e3b HR |
587 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) { |
588 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, | |
589 | cls->sn_height); | |
00720277 WNH |
590 | |
591 | /* | |
592 | * Only set ABS_MT_ORIENTATION if it is not | |
593 | * already set by the HID_DG_AZIMUTH usage. | |
594 | */ | |
595 | if (!test_bit(ABS_MT_ORIENTATION, | |
596 | hi->input->absbit)) | |
597 | input_set_abs_params(hi->input, | |
598 | ABS_MT_ORIENTATION, 0, 1, 0, 0); | |
77723e3b | 599 | } |
3ac36d15 | 600 | mt_store_field(usage, td, hi); |
5519cab4 BT |
601 | return 1; |
602 | case HID_DG_TIPPRESSURE: | |
603 | hid_map_usage(hi, usage, bit, max, | |
604 | EV_ABS, ABS_MT_PRESSURE); | |
605 | set_abs(hi->input, ABS_MT_PRESSURE, field, | |
606 | cls->sn_pressure); | |
3ac36d15 | 607 | mt_store_field(usage, td, hi); |
5519cab4 | 608 | return 1; |
29cc309d NB |
609 | case HID_DG_SCANTIME: |
610 | hid_map_usage(hi, usage, bit, max, | |
611 | EV_MSC, MSC_TIMESTAMP); | |
612 | input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); | |
613 | mt_store_field(usage, td, hi); | |
af8dc4d0 HG |
614 | /* Ignore if indexes are out of bounds. */ |
615 | if (field->index >= field->report->maxfield || | |
616 | usage->usage_index >= field->report_count) | |
617 | return 1; | |
618 | td->scantime_index = field->index; | |
619 | td->scantime_val_index = usage->usage_index; | |
29cc309d | 620 | return 1; |
5519cab4 | 621 | case HID_DG_CONTACTCOUNT: |
8821f5dc BT |
622 | /* Ignore if indexes are out of bounds. */ |
623 | if (field->index >= field->report->maxfield || | |
624 | usage->usage_index >= field->report_count) | |
625 | return 1; | |
7e3cc447 BT |
626 | td->cc_index = field->index; |
627 | td->cc_value_index = usage->usage_index; | |
5519cab4 | 628 | return 1; |
00720277 WNH |
629 | case HID_DG_AZIMUTH: |
630 | hid_map_usage(hi, usage, bit, max, | |
631 | EV_ABS, ABS_MT_ORIENTATION); | |
632 | /* | |
633 | * Azimuth has the range of [0, MAX) representing a full | |
634 | * revolution. Set ABS_MT_ORIENTATION to a quarter of | |
635 | * MAX according the definition of ABS_MT_ORIENTATION | |
636 | */ | |
637 | input_set_abs_params(hi->input, ABS_MT_ORIENTATION, | |
638 | -field->logical_maximum / 4, | |
639 | field->logical_maximum / 4, | |
640 | cls->sn_move ? | |
641 | field->logical_maximum / cls->sn_move : 0, 0); | |
642 | mt_store_field(usage, td, hi); | |
643 | return 1; | |
5519cab4 BT |
644 | case HID_DG_CONTACTMAX: |
645 | /* we don't set td->last_slot_field as contactcount and | |
646 | * contact max are global to the report */ | |
647 | return -1; | |
c2ef8f21 BT |
648 | case HID_DG_TOUCH: |
649 | /* Legacy devices use TIPSWITCH and not TOUCH. | |
650 | * Let's just ignore this field. */ | |
651 | return -1; | |
65b258e9 | 652 | } |
5519cab4 BT |
653 | /* let hid-input decide for the others */ |
654 | return 0; | |
655 | ||
c2ef8f21 BT |
656 | case HID_UP_BUTTON: |
657 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); | |
594312b8 BT |
658 | /* |
659 | * MS PTP spec says that external buttons left and right have | |
660 | * usages 2 and 3. | |
661 | */ | |
504c932c MO |
662 | if ((cls->name == MT_CLS_WIN_8 || |
663 | cls->name == MT_CLS_WIN_8_DUAL) && | |
594312b8 BT |
664 | field->application == HID_DG_TOUCHPAD && |
665 | (usage->hid & HID_USAGE) > 1) | |
666 | code--; | |
c2ef8f21 BT |
667 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
668 | input_set_capability(hi->input, EV_KEY, code); | |
669 | return 1; | |
670 | ||
5519cab4 BT |
671 | case 0xff000000: |
672 | /* we do not want to map these: no input-oriented meaning */ | |
673 | return -1; | |
674 | } | |
675 | ||
676 | return 0; | |
677 | } | |
678 | ||
3e1b5015 | 679 | static int mt_compute_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 680 | { |
eec29e3d | 681 | __s32 quirks = td->mtclass.quirks; |
5519cab4 | 682 | |
2d93666e BT |
683 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
684 | return td->curdata.contactid; | |
5519cab4 | 685 | |
2d93666e | 686 | if (quirks & MT_QUIRK_CYPRESS) |
a3b5e577 BT |
687 | return cypress_compute_slot(td); |
688 | ||
2d93666e BT |
689 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
690 | return td->num_received; | |
5572da08 | 691 | |
4a6ee685 BT |
692 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
693 | return td->curdata.contactid - 1; | |
694 | ||
3e1b5015 | 695 | return input_mt_get_slot_by_key(input, td->curdata.contactid); |
5519cab4 BT |
696 | } |
697 | ||
698 | /* | |
699 | * this function is called when a whole contact has been processed, | |
700 | * so that it can assign it to a slot and store the data there | |
701 | */ | |
3e1b5015 | 702 | static void mt_complete_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 703 | { |
c2517f62 BT |
704 | if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && |
705 | td->num_received >= td->num_expected) | |
706 | return; | |
707 | ||
20b60e6d | 708 | if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { |
6dd2e27a | 709 | int active; |
3e1b5015 HR |
710 | int slotnum = mt_compute_slot(td, input); |
711 | struct mt_slot *s = &td->curdata; | |
28728399 | 712 | struct input_mt *mt = input->mt; |
5519cab4 | 713 | |
3e1b5015 HR |
714 | if (slotnum < 0 || slotnum >= td->maxcontacts) |
715 | return; | |
5519cab4 | 716 | |
28728399 BT |
717 | if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { |
718 | struct input_mt_slot *slot = &mt->slots[slotnum]; | |
719 | if (input_mt_is_active(slot) && | |
720 | input_mt_is_used(mt, slot)) | |
721 | return; | |
722 | } | |
723 | ||
6dd2e27a AH |
724 | if (!(td->mtclass.quirks & MT_QUIRK_CONFIDENCE)) |
725 | s->confidence_state = 1; | |
726 | active = (s->touch_state || s->inrange_state) && | |
727 | s->confidence_state; | |
728 | ||
3e1b5015 | 729 | input_mt_slot(input, slotnum); |
6dd2e27a AH |
730 | input_mt_report_slot_state(input, MT_TOOL_FINGER, active); |
731 | if (active) { | |
9b3bb9b8 | 732 | /* this finger is in proximity of the sensor */ |
f786bba4 | 733 | int wide = (s->w > s->h); |
e9d0a26d HC |
734 | int major = max(s->w, s->h); |
735 | int minor = min(s->w, s->h); | |
00720277 WNH |
736 | int orientation = wide; |
737 | ||
738 | if (s->has_azimuth) | |
739 | orientation = s->a; | |
e9d0a26d HC |
740 | |
741 | /* | |
742 | * divided by two to match visual scale of touch | |
743 | * for devices with this quirk | |
744 | */ | |
745 | if (td->mtclass.quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { | |
746 | major = major >> 1; | |
747 | minor = minor >> 1; | |
748 | } | |
f786bba4 | 749 | |
2d93666e BT |
750 | input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
751 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); | |
349fd670 BT |
752 | input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); |
753 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); | |
9b3bb9b8 BT |
754 | input_event(input, EV_ABS, ABS_MT_DISTANCE, |
755 | !s->touch_state); | |
00720277 WNH |
756 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, |
757 | orientation); | |
2d93666e | 758 | input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
f786bba4 BT |
759 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
760 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
96098274 BT |
761 | |
762 | set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
2d93666e | 763 | } |
5519cab4 BT |
764 | } |
765 | ||
3e1b5015 HR |
766 | td->num_received++; |
767 | } | |
768 | ||
769 | /* | |
770 | * this function is called when a whole packet has been received and processed, | |
771 | * so that it can decide what to send to the input layer. | |
772 | */ | |
773 | static void mt_sync_frame(struct mt_device *td, struct input_dev *input) | |
774 | { | |
127e71bd HG |
775 | __s32 cls = td->mtclass.name; |
776 | ||
777 | if (cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) | |
778 | input_event(input, EV_KEY, BTN_LEFT, td->left_button_state); | |
779 | ||
76f5902a | 780 | input_mt_sync_frame(input); |
29cc309d | 781 | input_event(input, EV_MSC, MSC_TIMESTAMP, td->timestamp); |
5519cab4 BT |
782 | input_sync(input); |
783 | td->num_received = 0; | |
127e71bd | 784 | td->left_button_state = 0; |
96098274 BT |
785 | if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) |
786 | set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
787 | else | |
788 | clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
789 | clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
5519cab4 BT |
790 | } |
791 | ||
29cc309d NB |
792 | static int mt_compute_timestamp(struct mt_device *td, struct hid_field *field, |
793 | __s32 value) | |
794 | { | |
795 | long delta = value - td->dev_time; | |
796 | unsigned long jdelta = jiffies_to_usecs(jiffies - td->jiffies); | |
797 | ||
798 | td->jiffies = jiffies; | |
799 | td->dev_time = value; | |
800 | ||
801 | if (delta < 0) | |
802 | delta += field->logical_maximum; | |
803 | ||
804 | /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ | |
805 | delta *= 100; | |
806 | ||
807 | if (jdelta > MAX_TIMESTAMP_INTERVAL) | |
808 | /* No data received for a while, resync the timestamp. */ | |
809 | return 0; | |
810 | else | |
811 | return td->timestamp + delta; | |
812 | } | |
813 | ||
a69c5f8b | 814 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 815 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
816 | { |
817 | /* we will handle the hidinput part later, now remains hiddev */ | |
818 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
819 | hid->hiddev_hid_event(hid, field, usage, value); | |
820 | ||
821 | return 1; | |
822 | } | |
823 | ||
824 | static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, | |
55746d28 HG |
825 | struct hid_usage *usage, __s32 value, |
826 | bool first_packet) | |
5519cab4 BT |
827 | { |
828 | struct mt_device *td = hid_get_drvdata(hid); | |
55746d28 | 829 | __s32 cls = td->mtclass.name; |
eec29e3d | 830 | __s32 quirks = td->mtclass.quirks; |
4c437555 | 831 | struct input_dev *input = field->hidinput->input; |
5519cab4 | 832 | |
3e1b5015 | 833 | if (hid->claimed & HID_CLAIMED_INPUT) { |
5519cab4 BT |
834 | switch (usage->hid) { |
835 | case HID_DG_INRANGE: | |
20b60e6d | 836 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
2d93666e | 837 | td->curvalid = value; |
9b3bb9b8 BT |
838 | if (quirks & MT_QUIRK_HOVERING) |
839 | td->curdata.inrange_state = value; | |
5519cab4 BT |
840 | break; |
841 | case HID_DG_TIPSWITCH: | |
2d93666e BT |
842 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
843 | td->curvalid = value; | |
5519cab4 BT |
844 | td->curdata.touch_state = value; |
845 | break; | |
846 | case HID_DG_CONFIDENCE: | |
6dd2e27a AH |
847 | if (quirks & MT_QUIRK_CONFIDENCE) |
848 | td->curdata.confidence_state = value; | |
2d93666e BT |
849 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
850 | td->curvalid = value; | |
5519cab4 BT |
851 | break; |
852 | case HID_DG_CONTACTID: | |
853 | td->curdata.contactid = value; | |
854 | break; | |
855 | case HID_DG_TIPPRESSURE: | |
856 | td->curdata.p = value; | |
857 | break; | |
858 | case HID_GD_X: | |
349fd670 BT |
859 | if (usage->code == ABS_MT_TOOL_X) |
860 | td->curdata.cx = value; | |
861 | else | |
862 | td->curdata.x = value; | |
5519cab4 BT |
863 | break; |
864 | case HID_GD_Y: | |
349fd670 BT |
865 | if (usage->code == ABS_MT_TOOL_Y) |
866 | td->curdata.cy = value; | |
867 | else | |
868 | td->curdata.y = value; | |
5519cab4 BT |
869 | break; |
870 | case HID_DG_WIDTH: | |
871 | td->curdata.w = value; | |
872 | break; | |
873 | case HID_DG_HEIGHT: | |
874 | td->curdata.h = value; | |
875 | break; | |
29cc309d NB |
876 | case HID_DG_SCANTIME: |
877 | td->timestamp = mt_compute_timestamp(td, field, value); | |
878 | break; | |
5519cab4 | 879 | case HID_DG_CONTACTCOUNT: |
5519cab4 | 880 | break; |
00720277 WNH |
881 | case HID_DG_AZIMUTH: |
882 | /* | |
883 | * Azimuth is counter-clockwise and ranges from [0, MAX) | |
884 | * (a full revolution). Convert it to clockwise ranging | |
885 | * [-MAX/2, MAX/2]. | |
886 | * | |
887 | * Note that ABS_MT_ORIENTATION require us to report | |
888 | * the limit of [-MAX/4, MAX/4], but the value can go | |
889 | * out of range to [-MAX/2, MAX/2] to report an upside | |
890 | * down ellipsis. | |
891 | */ | |
892 | if (value > field->logical_maximum / 2) | |
893 | value -= field->logical_maximum; | |
894 | td->curdata.a = -value; | |
895 | td->curdata.has_azimuth = true; | |
896 | break; | |
c2ef8f21 BT |
897 | case HID_DG_TOUCH: |
898 | /* do nothing */ | |
899 | break; | |
5519cab4 BT |
900 | |
901 | default: | |
55746d28 HG |
902 | /* |
903 | * For Win8 PTP touchpads we should only look at | |
904 | * non finger/touch events in the first_packet of | |
905 | * a (possible) multi-packet frame. | |
906 | */ | |
907 | if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) && | |
908 | !first_packet) | |
909 | return; | |
910 | ||
127e71bd HG |
911 | /* |
912 | * For Win8 PTP touchpads we map both the clickpad click | |
913 | * and any "external" left buttons to BTN_LEFT if a | |
914 | * device claims to have both we need to report 1 for | |
915 | * BTN_LEFT if either is pressed, so we or all values | |
916 | * together and report the result in mt_sync_frame(). | |
917 | */ | |
918 | if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) && | |
919 | usage->type == EV_KEY && usage->code == BTN_LEFT) { | |
920 | td->left_button_state |= value; | |
921 | return; | |
922 | } | |
923 | ||
4c437555 BT |
924 | if (usage->type) |
925 | input_event(input, usage->type, usage->code, | |
926 | value); | |
55978fa9 | 927 | return; |
5519cab4 | 928 | } |
5519cab4 | 929 | |
54f4c0c3 BT |
930 | if (usage->usage_index + 1 == field->report_count) { |
931 | /* we only take into account the last report. */ | |
932 | if (usage->hid == td->last_slot_field) | |
933 | mt_complete_slot(td, field->hidinput->input); | |
54f4c0c3 | 934 | } |
5519cab4 | 935 | |
2d93666e | 936 | } |
55978fa9 | 937 | } |
5519cab4 | 938 | |
a69c5f8b | 939 | static void mt_touch_report(struct hid_device *hid, struct hid_report *report) |
55978fa9 BT |
940 | { |
941 | struct mt_device *td = hid_get_drvdata(hid); | |
af8dc4d0 | 942 | __s32 cls = td->mtclass.name; |
55978fa9 | 943 | struct hid_field *field; |
55746d28 | 944 | bool first_packet; |
55978fa9 | 945 | unsigned count; |
af8dc4d0 | 946 | int r, n, scantime = 0; |
5519cab4 | 947 | |
4f4001bc BT |
948 | /* sticky fingers release in progress, abort */ |
949 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
950 | return; | |
951 | ||
c2517f62 BT |
952 | /* |
953 | * Includes multi-packet support where subsequent | |
954 | * packets are sent with zero contactcount. | |
955 | */ | |
af8dc4d0 HG |
956 | if (td->scantime_index >= 0) { |
957 | field = report->field[td->scantime_index]; | |
958 | scantime = field->value[td->scantime_val_index]; | |
959 | } | |
7e3cc447 BT |
960 | if (td->cc_index >= 0) { |
961 | struct hid_field *field = report->field[td->cc_index]; | |
962 | int value = field->value[td->cc_value_index]; | |
af8dc4d0 HG |
963 | |
964 | /* | |
965 | * For Win8 PTPs the first packet (td->num_received == 0) may | |
966 | * have a contactcount of 0 if there only is a button event. | |
967 | * We double check that this is not a continuation packet | |
968 | * of a possible multi-packet frame be checking that the | |
969 | * timestamp has changed. | |
970 | */ | |
971 | if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) && | |
972 | td->num_received == 0 && td->prev_scantime != scantime) | |
973 | td->num_expected = value; | |
974 | /* A non 0 contact count always indicates a first packet */ | |
975 | else if (value) | |
7e3cc447 BT |
976 | td->num_expected = value; |
977 | } | |
af8dc4d0 | 978 | td->prev_scantime = scantime; |
c2517f62 | 979 | |
55746d28 | 980 | first_packet = td->num_received == 0; |
55978fa9 BT |
981 | for (r = 0; r < report->maxfield; r++) { |
982 | field = report->field[r]; | |
983 | count = field->report_count; | |
984 | ||
985 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
986 | continue; | |
987 | ||
988 | for (n = 0; n < count; n++) | |
989 | mt_process_mt_event(hid, field, &field->usage[n], | |
55746d28 | 990 | field->value[n], first_packet); |
55978fa9 | 991 | } |
5b62efd8 BT |
992 | |
993 | if (td->num_received >= td->num_expected) | |
994 | mt_sync_frame(td, report->field[0]->hidinput->input); | |
4f4001bc BT |
995 | |
996 | /* | |
997 | * Windows 8 specs says 2 things: | |
998 | * - once a contact has been reported, it has to be reported in each | |
999 | * subsequent report | |
1000 | * - the report rate when fingers are present has to be at least | |
1001 | * the refresh rate of the screen, 60 or 120 Hz | |
1002 | * | |
1003 | * I interprete this that the specification forces a report rate of | |
1004 | * at least 60 Hz for a touchscreen to be certified. | |
1005 | * Which means that if we do not get a report whithin 16 ms, either | |
1006 | * something wrong happens, either the touchscreen forgets to send | |
1007 | * a release. Taking a reasonable margin allows to remove issues | |
1008 | * with USB communication or the load of the machine. | |
1009 | * | |
1010 | * Given that Win 8 devices are forced to send a release, this will | |
1011 | * only affect laggish machines and the ones that have a firmware | |
1012 | * defect. | |
1013 | */ | |
96098274 BT |
1014 | if (td->mtclass.quirks & MT_QUIRK_STICKY_FINGERS) { |
1015 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) | |
1016 | mod_timer(&td->release_timer, | |
1017 | jiffies + msecs_to_jiffies(100)); | |
1018 | else | |
1019 | del_timer(&td->release_timer); | |
1020 | } | |
4f4001bc BT |
1021 | |
1022 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); | |
5519cab4 BT |
1023 | } |
1024 | ||
b2c68a2f | 1025 | static int mt_touch_input_configured(struct hid_device *hdev, |
a69c5f8b BT |
1026 | struct hid_input *hi) |
1027 | { | |
1028 | struct mt_device *td = hid_get_drvdata(hdev); | |
1029 | struct mt_class *cls = &td->mtclass; | |
1030 | struct input_dev *input = hi->input; | |
b2c68a2f | 1031 | int ret; |
a69c5f8b BT |
1032 | |
1033 | if (!td->maxcontacts) | |
1034 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
1035 | ||
1036 | mt_post_parse(td); | |
1037 | if (td->serial_maybe) | |
1038 | mt_post_parse_default_settings(td); | |
1039 | ||
1040 | if (cls->is_indirect) | |
1041 | td->mt_flags |= INPUT_MT_POINTER; | |
1042 | ||
1043 | if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
1044 | td->mt_flags |= INPUT_MT_DROP_UNUSED; | |
1045 | ||
015fdaa9 BT |
1046 | /* check for clickpads */ |
1047 | if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1)) | |
2c6e0277 SF |
1048 | td->is_buttonpad = true; |
1049 | ||
1050 | if (td->is_buttonpad) | |
015fdaa9 BT |
1051 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
1052 | ||
b2c68a2f DT |
1053 | ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags); |
1054 | if (ret) | |
1055 | return ret; | |
a69c5f8b BT |
1056 | |
1057 | td->mt_flags = 0; | |
b2c68a2f | 1058 | return 0; |
a69c5f8b BT |
1059 | } |
1060 | ||
957b8dff JPRV |
1061 | #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
1062 | max, EV_KEY, (c)) | |
a69c5f8b BT |
1063 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
1064 | struct hid_field *field, struct hid_usage *usage, | |
1065 | unsigned long **bit, int *max) | |
1066 | { | |
6aef704e BT |
1067 | struct mt_device *td = hid_get_drvdata(hdev); |
1068 | ||
1069 | /* | |
1070 | * If mtclass.export_all_inputs is not set, only map fields from | |
1071 | * TouchScreen or TouchPad collections. We need to ignore fields | |
1072 | * that belong to other collections such as Mouse that might have | |
1073 | * the same GenericDesktop usages. | |
1074 | */ | |
1075 | if (!td->mtclass.export_all_inputs && | |
1076 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 1077 | field->application != HID_DG_PEN && |
8fe89ef0 BT |
1078 | field->application != HID_DG_TOUCHPAD && |
1079 | field->application != HID_GD_KEYBOARD && | |
e57f4e67 | 1080 | field->application != HID_GD_SYSTEM_CONTROL && |
1fbf74ef | 1081 | field->application != HID_CP_CONSUMER_CONTROL && |
957b8dff JPRV |
1082 | field->application != HID_GD_WIRELESS_RADIO_CTLS && |
1083 | !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && | |
1084 | td->mtclass.quirks & MT_QUIRK_ASUS_CUSTOM_UP)) | |
6f492f28 | 1085 | return -1; |
a69c5f8b | 1086 | |
957b8dff JPRV |
1087 | /* |
1088 | * Some Asus keyboard+touchpad devices have the hotkeys defined in the | |
1089 | * touchpad report descriptor. We need to treat these as an array to | |
1090 | * map usages to input keys. | |
1091 | */ | |
39bbf402 | 1092 | if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && |
957b8dff JPRV |
1093 | td->mtclass.quirks & MT_QUIRK_ASUS_CUSTOM_UP && |
1094 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { | |
1095 | set_bit(EV_REP, hi->input->evbit); | |
1096 | if (field->flags & HID_MAIN_ITEM_VARIABLE) | |
1097 | field->flags &= ~HID_MAIN_ITEM_VARIABLE; | |
1098 | switch (usage->hid & HID_USAGE) { | |
1099 | case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
1100 | case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; | |
1101 | case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; | |
1102 | case 0x6b: mt_map_key_clear(KEY_F21); break; | |
1103 | case 0x6c: mt_map_key_clear(KEY_SLEEP); break; | |
1104 | default: | |
1105 | return -1; | |
1106 | } | |
1107 | return 1; | |
1108 | } | |
1109 | ||
6aef704e BT |
1110 | /* |
1111 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1112 | * for the stylus. | |
1cc1cc92 BA |
1113 | * The check for mt_report_id ensures we don't process |
1114 | * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical | |
1115 | * collection, but within the report ID. | |
6aef704e | 1116 | */ |
a69c5f8b | 1117 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 1118 | return 0; |
1cc1cc92 BA |
1119 | else if ((field->physical == 0) && |
1120 | (field->report->id != td->mt_report_id) && | |
1121 | (td->mt_report_id != -1)) | |
1122 | return 0; | |
a69c5f8b | 1123 | |
6aef704e BT |
1124 | if (field->application == HID_DG_TOUCHSCREEN || |
1125 | field->application == HID_DG_TOUCHPAD) | |
1126 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); | |
1127 | ||
1128 | /* let hid-core decide for the others */ | |
1129 | return 0; | |
a69c5f8b BT |
1130 | } |
1131 | ||
1132 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
1133 | struct hid_field *field, struct hid_usage *usage, | |
1134 | unsigned long **bit, int *max) | |
1135 | { | |
6aef704e BT |
1136 | /* |
1137 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1138 | * for the stylus. | |
1139 | */ | |
fa11aa72 | 1140 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 1141 | return 0; |
fa11aa72 | 1142 | |
6aef704e | 1143 | if (field->application == HID_DG_TOUCHSCREEN || |
4cf56a89 DT |
1144 | field->application == HID_DG_TOUCHPAD) { |
1145 | /* We own these mappings, tell hid-input to ignore them */ | |
1146 | return -1; | |
1147 | } | |
6aef704e BT |
1148 | |
1149 | /* let hid-core decide for the others */ | |
1150 | return 0; | |
a69c5f8b BT |
1151 | } |
1152 | ||
1153 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
1154 | struct hid_usage *usage, __s32 value) | |
1155 | { | |
1156 | struct mt_device *td = hid_get_drvdata(hid); | |
1157 | ||
1158 | if (field->report->id == td->mt_report_id) | |
1159 | return mt_touch_event(hid, field, usage, value); | |
1160 | ||
e55f6200 | 1161 | return 0; |
a69c5f8b BT |
1162 | } |
1163 | ||
1164 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
1165 | { | |
1166 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 1167 | struct hid_field *field = report->field[0]; |
a69c5f8b BT |
1168 | |
1169 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
1170 | return; | |
1171 | ||
1172 | if (report->id == td->mt_report_id) | |
e55f6200 | 1173 | return mt_touch_report(hid, report); |
fa11aa72 | 1174 | |
e55f6200 BT |
1175 | if (field && field->hidinput && field->hidinput->input) |
1176 | input_sync(field->hidinput->input); | |
5519cab4 BT |
1177 | } |
1178 | ||
1179 | static void mt_set_input_mode(struct hid_device *hdev) | |
1180 | { | |
1181 | struct mt_device *td = hid_get_drvdata(hdev); | |
1182 | struct hid_report *r; | |
1183 | struct hid_report_enum *re; | |
da10bc25 MM |
1184 | struct mt_class *cls = &td->mtclass; |
1185 | char *buf; | |
1186 | int report_len; | |
5519cab4 BT |
1187 | |
1188 | if (td->inputmode < 0) | |
1189 | return; | |
1190 | ||
1191 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
1192 | r = re->report_id_hash[td->inputmode]; | |
1193 | if (r) { | |
da10bc25 | 1194 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
dabb05c6 | 1195 | report_len = hid_report_len(r); |
da10bc25 MM |
1196 | buf = hid_alloc_report_buf(r, GFP_KERNEL); |
1197 | if (!buf) { | |
1198 | hid_err(hdev, "failed to allocate buffer for report\n"); | |
1199 | return; | |
1200 | } | |
1201 | hid_hw_raw_request(hdev, r->id, buf, report_len, | |
1202 | HID_FEATURE_REPORT, | |
1203 | HID_REQ_GET_REPORT); | |
1204 | kfree(buf); | |
1205 | } | |
9abebedb | 1206 | r->field[0]->value[td->inputmode_index] = td->inputmode_value; |
d8814272 | 1207 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
5519cab4 BT |
1208 | } |
1209 | } | |
1210 | ||
31ae9bdd BT |
1211 | static void mt_set_maxcontacts(struct hid_device *hdev) |
1212 | { | |
1213 | struct mt_device *td = hid_get_drvdata(hdev); | |
1214 | struct hid_report *r; | |
1215 | struct hid_report_enum *re; | |
1216 | int fieldmax, max; | |
1217 | ||
1218 | if (td->maxcontact_report_id < 0) | |
1219 | return; | |
1220 | ||
1221 | if (!td->mtclass.maxcontacts) | |
1222 | return; | |
1223 | ||
1224 | re = &hdev->report_enum[HID_FEATURE_REPORT]; | |
1225 | r = re->report_id_hash[td->maxcontact_report_id]; | |
1226 | if (r) { | |
1227 | max = td->mtclass.maxcontacts; | |
1228 | fieldmax = r->field[0]->logical_maximum; | |
1229 | max = min(fieldmax, max); | |
1230 | if (r->field[0]->value[0] != max) { | |
1231 | r->field[0]->value[0] = max; | |
d8814272 | 1232 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
31ae9bdd BT |
1233 | } |
1234 | } | |
1235 | } | |
1236 | ||
4fa3a583 HR |
1237 | static void mt_post_parse_default_settings(struct mt_device *td) |
1238 | { | |
1239 | __s32 quirks = td->mtclass.quirks; | |
1240 | ||
1241 | /* unknown serial device needs special quirks */ | |
1242 | if (td->touches_by_report == 1) { | |
1243 | quirks |= MT_QUIRK_ALWAYS_VALID; | |
1244 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
1245 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
1246 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 1247 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
1248 | } |
1249 | ||
1250 | td->mtclass.quirks = quirks; | |
1251 | } | |
1252 | ||
3ac36d15 BT |
1253 | static void mt_post_parse(struct mt_device *td) |
1254 | { | |
1255 | struct mt_fields *f = td->fields; | |
c2517f62 | 1256 | struct mt_class *cls = &td->mtclass; |
3ac36d15 BT |
1257 | |
1258 | if (td->touches_by_report > 0) { | |
1259 | int field_count_per_touch = f->length / td->touches_by_report; | |
1260 | td->last_slot_field = f->usages[field_count_per_touch - 1]; | |
1261 | } | |
c2517f62 | 1262 | |
7e3cc447 | 1263 | if (td->cc_index < 0) |
c2517f62 | 1264 | cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
1265 | } |
1266 | ||
b2c68a2f | 1267 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
1268 | { |
1269 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
1270 | char *name; |
1271 | const char *suffix = NULL; | |
6aef704e | 1272 | struct hid_field *field = hi->report->field[0]; |
b2c68a2f | 1273 | int ret; |
76f5902a | 1274 | |
b2c68a2f DT |
1275 | if (hi->report->id == td->mt_report_id) { |
1276 | ret = mt_touch_input_configured(hdev, hi); | |
1277 | if (ret) | |
1278 | return ret; | |
1279 | } | |
76f5902a | 1280 | |
6aef704e BT |
1281 | /* |
1282 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1283 | * for the stylus. Check this first, and then rely on the application | |
1284 | * field. | |
1285 | */ | |
c08d46aa BT |
1286 | if (hi->report->field[0]->physical == HID_DG_STYLUS) { |
1287 | suffix = "Pen"; | |
e55f6200 BT |
1288 | /* force BTN_STYLUS to allow tablet matching in udev */ |
1289 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
6aef704e BT |
1290 | } else { |
1291 | switch (field->application) { | |
1292 | case HID_GD_KEYBOARD: | |
1293 | suffix = "Keyboard"; | |
1294 | break; | |
1295 | case HID_GD_KEYPAD: | |
1296 | suffix = "Keypad"; | |
1297 | break; | |
1298 | case HID_GD_MOUSE: | |
1299 | suffix = "Mouse"; | |
1300 | break; | |
1301 | case HID_DG_STYLUS: | |
1302 | suffix = "Pen"; | |
1303 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1304 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1305 | break; | |
1306 | case HID_DG_TOUCHSCREEN: | |
1307 | /* we do not set suffix = "Touchscreen" */ | |
1308 | break; | |
dc425a1c MW |
1309 | case HID_DG_TOUCHPAD: |
1310 | suffix = "Touchpad"; | |
1311 | break; | |
6aef704e BT |
1312 | case HID_GD_SYSTEM_CONTROL: |
1313 | suffix = "System Control"; | |
1314 | break; | |
1315 | case HID_CP_CONSUMER_CONTROL: | |
1316 | suffix = "Consumer Control"; | |
1317 | break; | |
1fbf74ef JPRV |
1318 | case HID_GD_WIRELESS_RADIO_CTLS: |
1319 | suffix = "Wireless Radio Control"; | |
1320 | break; | |
957b8dff JPRV |
1321 | case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: |
1322 | suffix = "Custom Media Keys"; | |
1323 | break; | |
6aef704e BT |
1324 | default: |
1325 | suffix = "UNKNOWN"; | |
1326 | break; | |
1327 | } | |
c08d46aa BT |
1328 | } |
1329 | ||
1330 | if (suffix) { | |
1331 | name = devm_kzalloc(&hi->input->dev, | |
1332 | strlen(hdev->name) + strlen(suffix) + 2, | |
1333 | GFP_KERNEL); | |
1334 | if (name) { | |
1335 | sprintf(name, "%s %s", hdev->name, suffix); | |
1336 | hi->input->name = name; | |
1337 | } | |
1338 | } | |
b2c68a2f DT |
1339 | |
1340 | return 0; | |
76f5902a HR |
1341 | } |
1342 | ||
f3287a99 BT |
1343 | static void mt_fix_const_field(struct hid_field *field, unsigned int usage) |
1344 | { | |
1345 | if (field->usage[0].hid != usage || | |
1346 | !(field->flags & HID_MAIN_ITEM_CONSTANT)) | |
1347 | return; | |
1348 | ||
1349 | field->flags &= ~HID_MAIN_ITEM_CONSTANT; | |
1350 | field->flags |= HID_MAIN_ITEM_VARIABLE; | |
1351 | } | |
1352 | ||
1353 | static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) | |
1354 | { | |
1355 | struct hid_report *report; | |
1356 | int i; | |
1357 | ||
1358 | list_for_each_entry(report, | |
1359 | &hdev->report_enum[HID_INPUT_REPORT].report_list, | |
1360 | list) { | |
1361 | ||
1362 | if (!report->maxfield) | |
1363 | continue; | |
1364 | ||
1365 | for (i = 0; i < report->maxfield; i++) | |
1366 | if (report->field[i]->maxusage >= 1) | |
1367 | mt_fix_const_field(report->field[i], usage); | |
1368 | } | |
1369 | } | |
1370 | ||
4f4001bc BT |
1371 | static void mt_release_contacts(struct hid_device *hid) |
1372 | { | |
1373 | struct hid_input *hidinput; | |
1374 | struct mt_device *td = hid_get_drvdata(hid); | |
1375 | ||
1376 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1377 | struct input_dev *input_dev = hidinput->input; | |
1378 | struct input_mt *mt = input_dev->mt; | |
1379 | int i; | |
1380 | ||
1381 | if (mt) { | |
1382 | for (i = 0; i < mt->num_slots; i++) { | |
1383 | input_mt_slot(input_dev, i); | |
1384 | input_mt_report_slot_state(input_dev, | |
1385 | MT_TOOL_FINGER, | |
1386 | false); | |
1387 | } | |
1388 | input_mt_sync_frame(input_dev); | |
1389 | input_sync(input_dev); | |
1390 | } | |
1391 | } | |
1392 | ||
1393 | td->num_received = 0; | |
1394 | } | |
1395 | ||
0ee32774 | 1396 | static void mt_expired_timeout(struct timer_list *t) |
4f4001bc | 1397 | { |
0ee32774 KC |
1398 | struct mt_device *td = from_timer(td, t, release_timer); |
1399 | struct hid_device *hdev = td->hdev; | |
4f4001bc BT |
1400 | |
1401 | /* | |
1402 | * An input report came in just before we release the sticky fingers, | |
1403 | * it will take care of the sticky fingers. | |
1404 | */ | |
1405 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
1406 | return; | |
96098274 BT |
1407 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1408 | mt_release_contacts(hdev); | |
4f4001bc BT |
1409 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); |
1410 | } | |
1411 | ||
5519cab4 BT |
1412 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1413 | { | |
2d93666e | 1414 | int ret, i; |
5519cab4 | 1415 | struct mt_device *td; |
2d93666e BT |
1416 | struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
1417 | ||
94b5485c HR |
1418 | for (i = 0; mt_classes[i].name ; i++) { |
1419 | if (id->driver_data == mt_classes[i].name) { | |
1420 | mtclass = &(mt_classes[i]); | |
1421 | break; | |
2d93666e BT |
1422 | } |
1423 | } | |
5519cab4 | 1424 | |
c08d46aa | 1425 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1426 | if (!td) { |
1427 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1428 | return -ENOMEM; | |
1429 | } | |
0ee32774 | 1430 | td->hdev = hdev; |
eec29e3d | 1431 | td->mtclass = *mtclass; |
5519cab4 | 1432 | td->inputmode = -1; |
31ae9bdd | 1433 | td->maxcontact_report_id = -1; |
9abebedb | 1434 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
7e3cc447 | 1435 | td->cc_index = -1; |
af8dc4d0 | 1436 | td->scantime_index = -1; |
fa11aa72 | 1437 | td->mt_report_id = -1; |
5519cab4 BT |
1438 | hid_set_drvdata(hdev, td); |
1439 | ||
c08d46aa BT |
1440 | td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields), |
1441 | GFP_KERNEL); | |
3ac36d15 BT |
1442 | if (!td->fields) { |
1443 | dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); | |
c08d46aa | 1444 | return -ENOMEM; |
3ac36d15 BT |
1445 | } |
1446 | ||
76f5902a HR |
1447 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1448 | td->serial_maybe = true; | |
1449 | ||
b897f6db BT |
1450 | /* |
1451 | * Store the initial quirk state | |
1452 | */ | |
1453 | td->initial_quirks = hdev->quirks; | |
1454 | ||
1455 | /* This allows the driver to correctly support devices | |
1456 | * that emit events over several HID messages. | |
1457 | */ | |
1458 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
1459 | ||
1460 | /* | |
1461 | * This allows the driver to handle different input sensors | |
1462 | * that emits events through different reports on the same HID | |
1463 | * device. | |
1464 | */ | |
1465 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; | |
1466 | hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT; | |
1467 | ||
1468 | /* | |
1469 | * Some multitouch screens do not like to be polled for input | |
1470 | * reports. Fortunately, the Win8 spec says that all touches | |
1471 | * should be sent during each report, making the initialization | |
1472 | * of input reports unnecessary. For Win7 devices, well, let's hope | |
1473 | * they will still be happy (this is only be a problem if a touch | |
1474 | * was already there while probing the device). | |
1475 | * | |
1476 | * In addition some touchpads do not behave well if we read | |
1477 | * all feature reports from them. Instead we prevent | |
1478 | * initial report fetching and then selectively fetch each | |
1479 | * report we are interested in. | |
1480 | */ | |
1481 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; | |
1482 | ||
0ee32774 | 1483 | timer_setup(&td->release_timer, mt_expired_timeout, 0); |
4f4001bc | 1484 | |
5519cab4 BT |
1485 | ret = hid_parse(hdev); |
1486 | if (ret != 0) | |
c08d46aa | 1487 | return ret; |
5519cab4 | 1488 | |
f3287a99 BT |
1489 | if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) |
1490 | mt_fix_const_fields(hdev, HID_DG_CONTACTID); | |
1491 | ||
5519cab4 | 1492 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
2d93666e | 1493 | if (ret) |
c08d46aa | 1494 | return ret; |
5519cab4 | 1495 | |
eec29e3d | 1496 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1497 | if (ret) |
1498 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1499 | hdev->name); | |
eec29e3d | 1500 | |
31ae9bdd | 1501 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1502 | mt_set_input_mode(hdev); |
1503 | ||
c08d46aa BT |
1504 | /* release .fields memory as it is not used anymore */ |
1505 | devm_kfree(&hdev->dev, td->fields); | |
3ac36d15 BT |
1506 | td->fields = NULL; |
1507 | ||
5519cab4 | 1508 | return 0; |
5519cab4 BT |
1509 | } |
1510 | ||
1511 | #ifdef CONFIG_PM | |
1512 | static int mt_reset_resume(struct hid_device *hdev) | |
1513 | { | |
d3e69b9a | 1514 | mt_release_contacts(hdev); |
31ae9bdd | 1515 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1516 | mt_set_input_mode(hdev); |
1517 | return 0; | |
1518 | } | |
dfeefd10 SL |
1519 | |
1520 | static int mt_resume(struct hid_device *hdev) | |
1521 | { | |
dfeefd10 SL |
1522 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1523 | * It should be safe to send it to other devices too. | |
1524 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1525 | ||
4ba25d3f | 1526 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 SL |
1527 | |
1528 | return 0; | |
1529 | } | |
5519cab4 BT |
1530 | #endif |
1531 | ||
1532 | static void mt_remove(struct hid_device *hdev) | |
1533 | { | |
b897f6db BT |
1534 | struct mt_device *td = hid_get_drvdata(hdev); |
1535 | ||
4f4001bc BT |
1536 | del_timer_sync(&td->release_timer); |
1537 | ||
eec29e3d | 1538 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1539 | hid_hw_stop(hdev); |
b897f6db | 1540 | hdev->quirks = td->initial_quirks; |
5519cab4 BT |
1541 | } |
1542 | ||
0fa9c616 BT |
1543 | /* |
1544 | * This list contains only: | |
1545 | * - VID/PID of products not working with the default multitouch handling | |
1546 | * - 2 generic rules. | |
1547 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1548 | */ | |
5519cab4 BT |
1549 | static const struct hid_device_id mt_devices[] = { |
1550 | ||
f786bba4 BT |
1551 | /* 3M panels */ |
1552 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1553 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1554 | USB_DEVICE_ID_3M1968) }, |
1555 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1556 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1557 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1558 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1559 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1560 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1561 | |
504c932c MO |
1562 | /* Alps devices */ |
1563 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1564 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1565 | USB_VENDOR_ID_ALPS_JP, | |
1566 | HID_DEVICE_ID_ALPS_U1_DUAL_PTP) }, | |
1567 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1568 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1569 | USB_VENDOR_ID_ALPS_JP, | |
1570 | HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) }, | |
1571 | ||
56d859e1 PT |
1572 | /* Lenovo X1 TAB Gen 2 */ |
1573 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1574 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1575 | USB_VENDOR_ID_LENOVO, | |
1576 | USB_DEVICE_ID_LENOVO_X1_TAB) }, | |
1577 | ||
6aef704e BT |
1578 | /* Anton devices */ |
1579 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1580 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1581 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1582 | |
957b8dff JPRV |
1583 | /* Asus T304UA */ |
1584 | { .driver_data = MT_CLS_ASUS, | |
1585 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1586 | USB_VENDOR_ID_ASUSTEK, | |
1587 | USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, | |
1588 | ||
b1057124 | 1589 | /* Atmel panels */ |
841cb157 | 1590 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1591 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1592 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1593 | |
9ed32695 | 1594 | /* Baanto multitouch devices */ |
dc3e1d80 | 1595 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1596 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1597 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1598 | |
a841b62c BT |
1599 | /* Cando panels */ |
1600 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1601 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1602 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1603 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1604 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1605 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1606 | ||
942fd422 | 1607 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1608 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1609 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1610 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1611 | ||
070f63b4 YB |
1612 | /* CJTouch panels */ |
1613 | { .driver_data = MT_CLS_NSMU, | |
1614 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1615 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1616 | { .driver_data = MT_CLS_NSMU, | |
1617 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1618 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1619 | ||
79603dc9 | 1620 | /* CVTouch panels */ |
dc3e1d80 | 1621 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1622 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1623 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1624 | ||
22408283 | 1625 | /* eGalax devices (resistive) */ |
e36f690b | 1626 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1627 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1628 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1629 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1630 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1631 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1632 | |
1633 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1634 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1635 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1636 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1637 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1638 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1639 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1640 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1641 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1642 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1643 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1644 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1645 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1646 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1647 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1648 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1649 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1650 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1651 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1652 | { .driver_data = MT_CLS_EGALAX, |
1653 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1654 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1655 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1656 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1657 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1658 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1659 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1660 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1661 | { .driver_data = MT_CLS_EGALAX, |
1662 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1663 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1664 | { .driver_data = MT_CLS_EGALAX, | |
1665 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1666 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1667 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1668 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1669 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1670 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1671 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1672 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1673 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1674 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1675 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1676 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1677 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1678 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1679 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1680 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1681 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
22408283 | 1682 | |
7c7606a2 TS |
1683 | /* Elitegroup panel */ |
1684 | { .driver_data = MT_CLS_SERIAL, | |
1685 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
1686 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
1687 | ||
77723e3b HR |
1688 | /* Flatfrog Panels */ |
1689 | { .driver_data = MT_CLS_FLATFROG, | |
1690 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
1691 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
1692 | ||
3db187e7 BT |
1693 | /* FocalTech Panels */ |
1694 | { .driver_data = MT_CLS_SERIAL, | |
1695 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
1696 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
1697 | ||
5572da08 | 1698 | /* GeneralTouch panel */ |
f5ff4e1e | 1699 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 1700 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 1701 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
1702 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1703 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1704 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
1705 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1706 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1707 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
1708 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1709 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1710 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
1711 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1712 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1713 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
1714 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1715 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1716 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
1717 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1718 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1719 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 1720 | |
4d5df5d1 | 1721 | /* Gametel game controller */ |
dc3e1d80 | 1722 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1723 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
1724 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1725 | ||
ee0fbd14 | 1726 | /* GoodTouch panels */ |
dc3e1d80 | 1727 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1728 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
1729 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1730 | ||
54580365 BT |
1731 | /* Hanvon panels */ |
1732 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 1733 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
1734 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1735 | ||
4e61f0d7 | 1736 | /* Ilitek dual touch panel */ |
dc3e1d80 | 1737 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1738 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
1739 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1740 | ||
f3287a99 BT |
1741 | /* LG Melfas panel */ |
1742 | { .driver_data = MT_CLS_LG, | |
1743 | HID_USB_DEVICE(USB_VENDOR_ID_LG, | |
1744 | USB_DEVICE_ID_LG_MELFAS_MT) }, | |
1745 | ||
4a6ee685 BT |
1746 | /* MosArt panels */ |
1747 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1748 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1749 | USB_DEVICE_ID_ASUS_T91MT)}, |
1750 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1751 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1752 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1753 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1754 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
1755 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1756 | ||
4db703ea | 1757 | /* Novatek Panel */ |
dc3e1d80 | 1758 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 1759 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
1760 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1761 | ||
a80e803a BT |
1762 | /* Ntrig Panel */ |
1763 | { .driver_data = MT_CLS_NSMU, | |
1764 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1765 | USB_VENDOR_ID_NTRIG, 0x1b05) }, | |
1766 | ||
fb55b402 HG |
1767 | /* Panasonic panels */ |
1768 | { .driver_data = MT_CLS_PANASONIC, | |
1769 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
1770 | USB_DEVICE_ID_PANABOARD_UBT780) }, | |
1771 | { .driver_data = MT_CLS_PANASONIC, | |
1772 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
1773 | USB_DEVICE_ID_PANABOARD_UBT880) }, | |
1774 | ||
b7ea95ff AT |
1775 | /* PixArt optical touch screen */ |
1776 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1777 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1778 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1779 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1780 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1781 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1782 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1783 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1784 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1785 | ||
5519cab4 | 1786 | /* PixCir-based panels */ |
1e9cf35b | 1787 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 1788 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
1789 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1790 | ||
5e7ea11f | 1791 | /* Quanta-based panels */ |
5e7ea11f | 1792 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 1793 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 1794 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 1795 | |
043b403a | 1796 | /* Stantum panels */ |
bf5af9b5 | 1797 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 1798 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 1799 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 1800 | |
847672cd BT |
1801 | /* TopSeed panels */ |
1802 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 1803 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
1804 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1805 | ||
5e74e56d | 1806 | /* Touch International panels */ |
dc3e1d80 | 1807 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1808 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
1809 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1810 | ||
617b64f9 | 1811 | /* Unitec panels */ |
dc3e1d80 | 1812 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1813 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1814 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 1815 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1816 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1817 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 1818 | |
da10bc25 MM |
1819 | /* VTL panels */ |
1820 | { .driver_data = MT_CLS_VTL, | |
1821 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
1822 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
1823 | ||
bf9d121e KC |
1824 | /* Wistron panels */ |
1825 | { .driver_data = MT_CLS_NSMU, | |
1826 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
1827 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
1828 | ||
bc8a2a9b | 1829 | /* XAT */ |
dc3e1d80 | 1830 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1831 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 1832 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 1833 | |
11576c61 | 1834 | /* Xiroku */ |
dc3e1d80 | 1835 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1836 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1837 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 1838 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1839 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1840 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 1841 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1842 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1843 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 1844 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1845 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1846 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 1847 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1848 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1849 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 1850 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1851 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1852 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 1853 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1854 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1855 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 1856 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1857 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1858 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 1859 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1860 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
1861 | USB_DEVICE_ID_XIROKU_CSR2) }, |
1862 | ||
0e82232c WNH |
1863 | /* Google MT devices */ |
1864 | { .driver_data = MT_CLS_GOOGLE, | |
1865 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, | |
1866 | USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, | |
1867 | ||
4fa3a583 HR |
1868 | /* Generic MT device */ |
1869 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
1870 | |
1871 | /* Generic Win 8 certified MT device */ | |
1872 | { .driver_data = MT_CLS_WIN_8, | |
1873 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
1874 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
1875 | { } |
1876 | }; | |
1877 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
1878 | ||
1879 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
1880 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
1881 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
1882 | }; | |
1883 | ||
1884 | static struct hid_driver mt_driver = { | |
1885 | .name = "hid-multitouch", | |
1886 | .id_table = mt_devices, | |
1887 | .probe = mt_probe, | |
1888 | .remove = mt_remove, | |
1889 | .input_mapping = mt_input_mapping, | |
1890 | .input_mapped = mt_input_mapped, | |
76f5902a | 1891 | .input_configured = mt_input_configured, |
5519cab4 BT |
1892 | .feature_mapping = mt_feature_mapping, |
1893 | .usage_table = mt_grabbed_usages, | |
1894 | .event = mt_event, | |
55978fa9 | 1895 | .report = mt_report, |
5519cab4 BT |
1896 | #ifdef CONFIG_PM |
1897 | .reset_resume = mt_reset_resume, | |
dfeefd10 | 1898 | .resume = mt_resume, |
5519cab4 BT |
1899 | #endif |
1900 | }; | |
f425458e | 1901 | module_hid_driver(mt_driver); |