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) |
d9c57a70 | 77 | #define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18) |
5519cab4 | 78 | |
9abebedb AD |
79 | #define MT_INPUTMODE_TOUCHSCREEN 0x02 |
80 | #define MT_INPUTMODE_TOUCHPAD 0x03 | |
81 | ||
2c6e0277 SF |
82 | #define MT_BUTTONTYPE_CLICKPAD 0 |
83 | ||
4f4001bc | 84 | #define MT_IO_FLAGS_RUNNING 0 |
96098274 BT |
85 | #define MT_IO_FLAGS_ACTIVE_SLOTS 1 |
86 | #define MT_IO_FLAGS_PENDING_SLOTS 2 | |
4f4001bc | 87 | |
5519cab4 | 88 | struct mt_slot { |
00720277 | 89 | __s32 x, y, cx, cy, p, w, h, a; |
5519cab4 BT |
90 | __s32 contactid; /* the device ContactID assigned to this slot */ |
91 | bool touch_state; /* is the touch valid? */ | |
9b3bb9b8 | 92 | bool inrange_state; /* is the finger in proximity of the sensor? */ |
6dd2e27a | 93 | bool confidence_state; /* is the touch made by a finger? */ |
00720277 | 94 | bool has_azimuth; /* the contact reports azimuth */ |
5519cab4 BT |
95 | }; |
96 | ||
eec29e3d BT |
97 | struct mt_class { |
98 | __s32 name; /* MT_CLS */ | |
99 | __s32 quirks; | |
100 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
101 | __s32 sn_width; /* Signal/noise ratio for width events */ | |
102 | __s32 sn_height; /* Signal/noise ratio for height events */ | |
103 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
104 | __u8 maxcontacts; | |
c2ef8f21 | 105 | bool is_indirect; /* true for touchpads */ |
6aef704e | 106 | bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ |
eec29e3d BT |
107 | }; |
108 | ||
3ac36d15 BT |
109 | struct mt_fields { |
110 | unsigned usages[HID_MAX_FIELDS]; | |
111 | unsigned int length; | |
112 | }; | |
113 | ||
5519cab4 BT |
114 | struct mt_device { |
115 | struct mt_slot curdata; /* placeholder of incoming data */ | |
eec29e3d | 116 | struct mt_class mtclass; /* our mt device class */ |
4f4001bc | 117 | struct timer_list release_timer; /* to release sticky fingers */ |
0ee32774 | 118 | struct hid_device *hdev; /* hid_device we're attached to */ |
3ac36d15 BT |
119 | struct mt_fields *fields; /* temporary placeholder for storing the |
120 | multitouch fields */ | |
4f4001bc | 121 | unsigned long mt_io_flags; /* mt flags (MT_IO_FLAGS_*) */ |
7e3cc447 BT |
122 | int cc_index; /* contact count field index in the report */ |
123 | int cc_value_index; /* contact count value index in the field */ | |
af8dc4d0 HG |
124 | int scantime_index; /* scantime field index in the report */ |
125 | int scantime_val_index; /* scantime value index in the field */ | |
126 | int prev_scantime; /* scantime reported in the previous packet */ | |
127e71bd | 127 | int left_button_state; /* left button state */ |
5519cab4 | 128 | unsigned last_slot_field; /* the last field of a slot */ |
55978fa9 | 129 | unsigned mt_report_id; /* the report ID of the multitouch device */ |
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 |
843e475f | 186 | #define MT_CLS_RAZER_BLADE_STEALTH 0x0112 |
5519cab4 | 187 | |
9498f954 | 188 | #define MT_DEFAULT_MAXCONTACT 10 |
afbcb04c | 189 | #define MT_MAX_MAXCONTACT 250 |
9498f954 | 190 | |
29cc309d NB |
191 | /* |
192 | * Resync device and local timestamps after that many microseconds without | |
193 | * receiving data. | |
194 | */ | |
195 | #define MAX_TIMESTAMP_INTERVAL 1000000 | |
196 | ||
2c2110e9 HR |
197 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
198 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) | |
199 | ||
5519cab4 BT |
200 | /* |
201 | * these device-dependent functions determine what slot corresponds | |
202 | * to a valid contact that was just read. | |
203 | */ | |
204 | ||
a3b5e577 BT |
205 | static int cypress_compute_slot(struct mt_device *td) |
206 | { | |
207 | if (td->curdata.contactid != 0 || td->num_received == 0) | |
208 | return td->curdata.contactid; | |
209 | else | |
210 | return -1; | |
211 | } | |
212 | ||
b3c21d2c | 213 | static struct mt_class mt_classes[] = { |
2d93666e | 214 | { .name = MT_CLS_DEFAULT, |
dc3e1d80 BT |
215 | .quirks = MT_QUIRK_ALWAYS_VALID | |
216 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
217 | { .name = MT_CLS_NSMU, | |
9498f954 | 218 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
a062cc5a SC |
219 | { .name = MT_CLS_SERIAL, |
220 | .quirks = MT_QUIRK_ALWAYS_VALID}, | |
22408283 BT |
221 | { .name = MT_CLS_CONFIDENCE, |
222 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, | |
5e7ea11f BT |
223 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
224 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
225 | MT_QUIRK_SLOT_IS_CONTACTID }, | |
22408283 BT |
226 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
227 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
228 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, | |
1e9cf35b | 229 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
230 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
231 | MT_QUIRK_SLOT_IS_CONTACTID, | |
232 | .maxcontacts = 2 }, | |
1e9cf35b | 233 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
234 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
235 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
236 | .maxcontacts = 2 }, | |
b7ea95ff AT |
237 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
238 | .quirks = MT_QUIRK_VALID_IS_INRANGE | | |
239 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, | |
f961bd35 BT |
240 | { .name = MT_CLS_WIN_8, |
241 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
242 | MT_QUIRK_IGNORE_DUPLICATES | | |
243 | MT_QUIRK_HOVERING | | |
4f4001bc | 244 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
d9c57a70 BT |
245 | MT_QUIRK_STICKY_FINGERS | |
246 | MT_QUIRK_WIN8_PTP_BUTTONS }, | |
6aef704e BT |
247 | { .name = MT_CLS_EXPORT_ALL_INPUTS, |
248 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
249 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
250 | .export_all_inputs = true }, | |
504c932c MO |
251 | { .name = MT_CLS_WIN_8_DUAL, |
252 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
253 | MT_QUIRK_IGNORE_DUPLICATES | | |
254 | MT_QUIRK_HOVERING | | |
d9c57a70 BT |
255 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
256 | MT_QUIRK_WIN8_PTP_BUTTONS, | |
504c932c | 257 | .export_all_inputs = true }, |
22408283 BT |
258 | |
259 | /* | |
260 | * vendor specific classes | |
261 | */ | |
262 | { .name = MT_CLS_3M, | |
263 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
e9d0a26d HC |
264 | MT_QUIRK_SLOT_IS_CONTACTID | |
265 | MT_QUIRK_TOUCH_SIZE_SCALING, | |
22408283 BT |
266 | .sn_move = 2048, |
267 | .sn_width = 128, | |
c5d40be5 HR |
268 | .sn_height = 128, |
269 | .maxcontacts = 60, | |
270 | }, | |
4875ac11 RN |
271 | { .name = MT_CLS_EGALAX, |
272 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
2261bb9f | 273 | MT_QUIRK_VALID_IS_INRANGE, |
4875ac11 RN |
274 | .sn_move = 4096, |
275 | .sn_pressure = 32, | |
276 | }, | |
1b723e8d BT |
277 | { .name = MT_CLS_EGALAX_SERIAL, |
278 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
279 | MT_QUIRK_ALWAYS_VALID, | |
4875ac11 RN |
280 | .sn_move = 4096, |
281 | .sn_pressure = 32, | |
282 | }, | |
847672cd BT |
283 | { .name = MT_CLS_TOPSEED, |
284 | .quirks = MT_QUIRK_ALWAYS_VALID, | |
285 | .is_indirect = true, | |
286 | .maxcontacts = 2, | |
287 | }, | |
2258e863 DK |
288 | { .name = MT_CLS_PANASONIC, |
289 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, | |
290 | .maxcontacts = 4 }, | |
f5ff4e1e XY |
291 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
292 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
293 | MT_QUIRK_VALID_IS_INRANGE | | |
7b226292 | 294 | MT_QUIRK_SLOT_IS_CONTACTID, |
f5ff4e1e XY |
295 | .maxcontacts = 2 |
296 | }, | |
297 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
298 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
7b226292 | 299 | MT_QUIRK_SLOT_IS_CONTACTID |
f5ff4e1e | 300 | }, |
043b403a | 301 | |
77723e3b HR |
302 | { .name = MT_CLS_FLATFROG, |
303 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
304 | MT_QUIRK_NO_AREA, | |
305 | .sn_move = 2048, | |
306 | .maxcontacts = 40, | |
307 | }, | |
f3287a99 BT |
308 | { .name = MT_CLS_LG, |
309 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
310 | MT_QUIRK_FIX_CONST_CONTACT_ID | | |
311 | MT_QUIRK_IGNORE_DUPLICATES | | |
312 | MT_QUIRK_HOVERING | | |
313 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
957b8dff JPRV |
314 | { .name = MT_CLS_ASUS, |
315 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
316 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
317 | MT_QUIRK_ASUS_CUSTOM_UP }, | |
da10bc25 MM |
318 | { .name = MT_CLS_VTL, |
319 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
320 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
321 | MT_QUIRK_FORCE_GET_FEATURE, | |
322 | }, | |
0e82232c WNH |
323 | { .name = MT_CLS_GOOGLE, |
324 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
325 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
326 | MT_QUIRK_SLOT_IS_CONTACTID | | |
327 | MT_QUIRK_HOVERING | |
328 | }, | |
843e475f BT |
329 | { .name = MT_CLS_RAZER_BLADE_STEALTH, |
330 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
331 | MT_QUIRK_IGNORE_DUPLICATES | | |
332 | MT_QUIRK_HOVERING | | |
333 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
334 | MT_QUIRK_WIN8_PTP_BUTTONS, | |
335 | }, | |
2d93666e | 336 | { } |
5519cab4 BT |
337 | }; |
338 | ||
eec29e3d BT |
339 | static ssize_t mt_show_quirks(struct device *dev, |
340 | struct device_attribute *attr, | |
341 | char *buf) | |
342 | { | |
ee79a8f8 | 343 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
344 | struct mt_device *td = hid_get_drvdata(hdev); |
345 | ||
346 | return sprintf(buf, "%u\n", td->mtclass.quirks); | |
347 | } | |
348 | ||
349 | static ssize_t mt_set_quirks(struct device *dev, | |
350 | struct device_attribute *attr, | |
351 | const char *buf, size_t count) | |
352 | { | |
ee79a8f8 | 353 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
354 | struct mt_device *td = hid_get_drvdata(hdev); |
355 | ||
356 | unsigned long val; | |
357 | ||
358 | if (kstrtoul(buf, 0, &val)) | |
359 | return -EINVAL; | |
360 | ||
361 | td->mtclass.quirks = val; | |
362 | ||
7e3cc447 | 363 | if (td->cc_index < 0) |
c2517f62 BT |
364 | td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
365 | ||
eec29e3d BT |
366 | return count; |
367 | } | |
368 | ||
369 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); | |
370 | ||
371 | static struct attribute *sysfs_attrs[] = { | |
372 | &dev_attr_quirks.attr, | |
373 | NULL | |
374 | }; | |
375 | ||
9182fb98 | 376 | static const struct attribute_group mt_attribute_group = { |
eec29e3d BT |
377 | .attrs = sysfs_attrs |
378 | }; | |
379 | ||
6d4f5440 MW |
380 | static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) |
381 | { | |
3064a03b AM |
382 | int ret; |
383 | u32 size = hid_report_len(report); | |
6d4f5440 MW |
384 | u8 *buf; |
385 | ||
386 | /* | |
b897f6db BT |
387 | * Do not fetch the feature report if the device has been explicitly |
388 | * marked as non-capable. | |
6d4f5440 | 389 | */ |
adaabbf4 | 390 | if (hdev->quirks & HID_QUIRK_NO_INIT_REPORTS) |
6d4f5440 MW |
391 | return; |
392 | ||
393 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
394 | if (!buf) | |
395 | return; | |
396 | ||
397 | ret = hid_hw_raw_request(hdev, report->id, buf, size, | |
398 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
399 | if (ret < 0) { | |
400 | dev_warn(&hdev->dev, "failed to fetch feature %d\n", | |
401 | report->id); | |
402 | } else { | |
403 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, | |
404 | size, 0); | |
405 | if (ret) | |
406 | dev_warn(&hdev->dev, "failed to report feature\n"); | |
407 | } | |
408 | ||
409 | kfree(buf); | |
410 | } | |
411 | ||
f635bd11 | 412 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
413 | struct hid_field *field, struct hid_usage *usage) |
414 | { | |
9498f954 BT |
415 | struct mt_device *td = hid_get_drvdata(hdev); |
416 | ||
417 | switch (usage->hid) { | |
418 | case HID_DG_INPUTMODE: | |
8821f5dc BT |
419 | /* Ignore if value index is out of bounds. */ |
420 | if (usage->usage_index >= field->report_count) { | |
421 | dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); | |
422 | break; | |
4aceed37 BT |
423 | } |
424 | ||
73e7d63e BT |
425 | if (td->inputmode < 0) { |
426 | td->inputmode = field->report->id; | |
427 | td->inputmode_index = usage->usage_index; | |
428 | } else { | |
429 | /* | |
430 | * Some elan panels wrongly declare 2 input mode | |
431 | * features, and silently ignore when we set the | |
432 | * value in the second field. Skip the second feature | |
433 | * and hope for the best. | |
434 | */ | |
435 | dev_info(&hdev->dev, | |
436 | "Ignoring the extra HID_DG_INPUTMODE\n"); | |
437 | } | |
8821f5dc | 438 | |
9498f954 BT |
439 | break; |
440 | case HID_DG_CONTACTMAX: | |
6d4f5440 MW |
441 | mt_get_feature(hdev, field->report); |
442 | ||
31ae9bdd | 443 | td->maxcontact_report_id = field->report->id; |
9498f954 | 444 | td->maxcontacts = field->value[0]; |
afbcb04c BT |
445 | if (!td->maxcontacts && |
446 | field->logical_maximum <= MT_MAX_MAXCONTACT) | |
447 | td->maxcontacts = field->logical_maximum; | |
eec29e3d | 448 | if (td->mtclass.maxcontacts) |
9498f954 | 449 | /* check if the maxcontacts is given by the class */ |
eec29e3d | 450 | td->maxcontacts = td->mtclass.maxcontacts; |
9498f954 | 451 | |
2c6e0277 SF |
452 | break; |
453 | case HID_DG_BUTTONTYPE: | |
454 | if (usage->usage_index >= field->report_count) { | |
455 | dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); | |
456 | break; | |
457 | } | |
458 | ||
6d4f5440 | 459 | mt_get_feature(hdev, field->report); |
2c6e0277 SF |
460 | if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) |
461 | td->is_buttonpad = true; | |
462 | ||
9498f954 | 463 | break; |
45c5c682 BT |
464 | case 0xff0000c5: |
465 | /* Retrieve the Win8 blob once to enable some devices */ | |
466 | if (usage->usage_index == 0) | |
467 | mt_get_feature(hdev, field->report); | |
468 | break; | |
5519cab4 BT |
469 | } |
470 | } | |
471 | ||
472 | static void set_abs(struct input_dev *input, unsigned int code, | |
473 | struct hid_field *field, int snratio) | |
474 | { | |
475 | int fmin = field->logical_minimum; | |
476 | int fmax = field->logical_maximum; | |
477 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
478 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
37cf6e6f | 479 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
5519cab4 BT |
480 | } |
481 | ||
3ac36d15 | 482 | static void mt_store_field(struct hid_usage *usage, struct mt_device *td, |
ed9d5c96 BT |
483 | struct hid_input *hi) |
484 | { | |
3ac36d15 BT |
485 | struct mt_fields *f = td->fields; |
486 | ||
487 | if (f->length >= HID_MAX_FIELDS) | |
488 | return; | |
489 | ||
490 | f->usages[f->length++] = usage->hid; | |
ed9d5c96 BT |
491 | } |
492 | ||
a69c5f8b | 493 | static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 BT |
494 | struct hid_field *field, struct hid_usage *usage, |
495 | unsigned long **bit, int *max) | |
496 | { | |
497 | struct mt_device *td = hid_get_drvdata(hdev); | |
eec29e3d | 498 | struct mt_class *cls = &td->mtclass; |
c2ef8f21 | 499 | int code; |
349fd670 | 500 | struct hid_usage *prev_usage = NULL; |
4875ac11 | 501 | |
658d4aed | 502 | if (field->application == HID_DG_TOUCHSCREEN) |
76f5902a | 503 | td->mt_flags |= INPUT_MT_DIRECT; |
658d4aed | 504 | |
76f5902a HR |
505 | /* |
506 | * Model touchscreens providing buttons as touchpads. | |
c2ef8f21 BT |
507 | */ |
508 | if (field->application == HID_DG_TOUCHPAD || | |
9abebedb | 509 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
76f5902a | 510 | td->mt_flags |= INPUT_MT_POINTER; |
9abebedb AD |
511 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
512 | } | |
c2ef8f21 | 513 | |
015fdaa9 BT |
514 | /* count the buttons on touchpads */ |
515 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
516 | td->buttons_count++; | |
517 | ||
349fd670 BT |
518 | if (usage->usage_index) |
519 | prev_usage = &field->usage[usage->usage_index - 1]; | |
520 | ||
5519cab4 BT |
521 | switch (usage->hid & HID_USAGE_PAGE) { |
522 | ||
523 | case HID_UP_GENDESK: | |
524 | switch (usage->hid) { | |
525 | case HID_GD_X: | |
349fd670 BT |
526 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
527 | hid_map_usage(hi, usage, bit, max, | |
528 | EV_ABS, ABS_MT_TOOL_X); | |
529 | set_abs(hi->input, ABS_MT_TOOL_X, field, | |
530 | cls->sn_move); | |
531 | } else { | |
532 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 533 | EV_ABS, ABS_MT_POSITION_X); |
349fd670 BT |
534 | set_abs(hi->input, ABS_MT_POSITION_X, field, |
535 | cls->sn_move); | |
536 | } | |
537 | ||
3ac36d15 | 538 | mt_store_field(usage, td, hi); |
5519cab4 BT |
539 | return 1; |
540 | case HID_GD_Y: | |
349fd670 BT |
541 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
542 | hid_map_usage(hi, usage, bit, max, | |
543 | EV_ABS, ABS_MT_TOOL_Y); | |
544 | set_abs(hi->input, ABS_MT_TOOL_Y, field, | |
545 | cls->sn_move); | |
546 | } else { | |
547 | hid_map_usage(hi, usage, bit, max, | |
5519cab4 | 548 | EV_ABS, ABS_MT_POSITION_Y); |
349fd670 BT |
549 | set_abs(hi->input, ABS_MT_POSITION_Y, field, |
550 | cls->sn_move); | |
551 | } | |
552 | ||
3ac36d15 | 553 | mt_store_field(usage, td, hi); |
5519cab4 BT |
554 | return 1; |
555 | } | |
556 | return 0; | |
557 | ||
558 | case HID_UP_DIGITIZER: | |
559 | switch (usage->hid) { | |
560 | case HID_DG_INRANGE: | |
9b3bb9b8 BT |
561 | if (cls->quirks & MT_QUIRK_HOVERING) { |
562 | hid_map_usage(hi, usage, bit, max, | |
563 | EV_ABS, ABS_MT_DISTANCE); | |
564 | input_set_abs_params(hi->input, | |
565 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
566 | } | |
3ac36d15 | 567 | mt_store_field(usage, td, hi); |
5519cab4 BT |
568 | return 1; |
569 | case HID_DG_CONFIDENCE: | |
504c932c MO |
570 | if ((cls->name == MT_CLS_WIN_8 || |
571 | cls->name == MT_CLS_WIN_8_DUAL) && | |
6dd2e27a AH |
572 | field->application == HID_DG_TOUCHPAD) |
573 | cls->quirks |= MT_QUIRK_CONFIDENCE; | |
3ac36d15 | 574 | mt_store_field(usage, td, hi); |
5519cab4 BT |
575 | return 1; |
576 | case HID_DG_TIPSWITCH: | |
577 | hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); | |
578 | input_set_capability(hi->input, EV_KEY, BTN_TOUCH); | |
3ac36d15 | 579 | mt_store_field(usage, td, hi); |
5519cab4 BT |
580 | return 1; |
581 | case HID_DG_CONTACTID: | |
3ac36d15 | 582 | mt_store_field(usage, td, hi); |
9e87f22a | 583 | td->touches_by_report++; |
55978fa9 | 584 | td->mt_report_id = field->report->id; |
5519cab4 BT |
585 | return 1; |
586 | case HID_DG_WIDTH: | |
587 | hid_map_usage(hi, usage, bit, max, | |
588 | EV_ABS, ABS_MT_TOUCH_MAJOR); | |
77723e3b HR |
589 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) |
590 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, | |
591 | cls->sn_width); | |
3ac36d15 | 592 | mt_store_field(usage, td, hi); |
5519cab4 BT |
593 | return 1; |
594 | case HID_DG_HEIGHT: | |
595 | hid_map_usage(hi, usage, bit, max, | |
596 | EV_ABS, ABS_MT_TOUCH_MINOR); | |
77723e3b HR |
597 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) { |
598 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, | |
599 | cls->sn_height); | |
00720277 WNH |
600 | |
601 | /* | |
602 | * Only set ABS_MT_ORIENTATION if it is not | |
603 | * already set by the HID_DG_AZIMUTH usage. | |
604 | */ | |
605 | if (!test_bit(ABS_MT_ORIENTATION, | |
606 | hi->input->absbit)) | |
607 | input_set_abs_params(hi->input, | |
608 | ABS_MT_ORIENTATION, 0, 1, 0, 0); | |
77723e3b | 609 | } |
3ac36d15 | 610 | mt_store_field(usage, td, hi); |
5519cab4 BT |
611 | return 1; |
612 | case HID_DG_TIPPRESSURE: | |
613 | hid_map_usage(hi, usage, bit, max, | |
614 | EV_ABS, ABS_MT_PRESSURE); | |
615 | set_abs(hi->input, ABS_MT_PRESSURE, field, | |
616 | cls->sn_pressure); | |
3ac36d15 | 617 | mt_store_field(usage, td, hi); |
5519cab4 | 618 | return 1; |
29cc309d NB |
619 | case HID_DG_SCANTIME: |
620 | hid_map_usage(hi, usage, bit, max, | |
621 | EV_MSC, MSC_TIMESTAMP); | |
622 | input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); | |
623 | mt_store_field(usage, td, hi); | |
af8dc4d0 HG |
624 | /* Ignore if indexes are out of bounds. */ |
625 | if (field->index >= field->report->maxfield || | |
626 | usage->usage_index >= field->report_count) | |
627 | return 1; | |
628 | td->scantime_index = field->index; | |
629 | td->scantime_val_index = usage->usage_index; | |
29cc309d | 630 | return 1; |
5519cab4 | 631 | case HID_DG_CONTACTCOUNT: |
8821f5dc BT |
632 | /* Ignore if indexes are out of bounds. */ |
633 | if (field->index >= field->report->maxfield || | |
634 | usage->usage_index >= field->report_count) | |
635 | return 1; | |
7e3cc447 BT |
636 | td->cc_index = field->index; |
637 | td->cc_value_index = usage->usage_index; | |
5519cab4 | 638 | return 1; |
00720277 WNH |
639 | case HID_DG_AZIMUTH: |
640 | hid_map_usage(hi, usage, bit, max, | |
641 | EV_ABS, ABS_MT_ORIENTATION); | |
642 | /* | |
643 | * Azimuth has the range of [0, MAX) representing a full | |
644 | * revolution. Set ABS_MT_ORIENTATION to a quarter of | |
645 | * MAX according the definition of ABS_MT_ORIENTATION | |
646 | */ | |
647 | input_set_abs_params(hi->input, ABS_MT_ORIENTATION, | |
648 | -field->logical_maximum / 4, | |
649 | field->logical_maximum / 4, | |
650 | cls->sn_move ? | |
651 | field->logical_maximum / cls->sn_move : 0, 0); | |
652 | mt_store_field(usage, td, hi); | |
653 | return 1; | |
5519cab4 BT |
654 | case HID_DG_CONTACTMAX: |
655 | /* we don't set td->last_slot_field as contactcount and | |
656 | * contact max are global to the report */ | |
657 | return -1; | |
c2ef8f21 BT |
658 | case HID_DG_TOUCH: |
659 | /* Legacy devices use TIPSWITCH and not TOUCH. | |
660 | * Let's just ignore this field. */ | |
661 | return -1; | |
65b258e9 | 662 | } |
5519cab4 BT |
663 | /* let hid-input decide for the others */ |
664 | return 0; | |
665 | ||
c2ef8f21 BT |
666 | case HID_UP_BUTTON: |
667 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); | |
594312b8 BT |
668 | /* |
669 | * MS PTP spec says that external buttons left and right have | |
670 | * usages 2 and 3. | |
671 | */ | |
d9c57a70 | 672 | if ((cls->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
594312b8 BT |
673 | field->application == HID_DG_TOUCHPAD && |
674 | (usage->hid & HID_USAGE) > 1) | |
675 | code--; | |
c2ef8f21 BT |
676 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
677 | input_set_capability(hi->input, EV_KEY, code); | |
678 | return 1; | |
679 | ||
5519cab4 BT |
680 | case 0xff000000: |
681 | /* we do not want to map these: no input-oriented meaning */ | |
682 | return -1; | |
683 | } | |
684 | ||
685 | return 0; | |
686 | } | |
687 | ||
3e1b5015 | 688 | static int mt_compute_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 689 | { |
eec29e3d | 690 | __s32 quirks = td->mtclass.quirks; |
5519cab4 | 691 | |
2d93666e BT |
692 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
693 | return td->curdata.contactid; | |
5519cab4 | 694 | |
2d93666e | 695 | if (quirks & MT_QUIRK_CYPRESS) |
a3b5e577 BT |
696 | return cypress_compute_slot(td); |
697 | ||
2d93666e BT |
698 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
699 | return td->num_received; | |
5572da08 | 700 | |
4a6ee685 BT |
701 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
702 | return td->curdata.contactid - 1; | |
703 | ||
3e1b5015 | 704 | return input_mt_get_slot_by_key(input, td->curdata.contactid); |
5519cab4 BT |
705 | } |
706 | ||
707 | /* | |
708 | * this function is called when a whole contact has been processed, | |
709 | * so that it can assign it to a slot and store the data there | |
710 | */ | |
3e1b5015 | 711 | static void mt_complete_slot(struct mt_device *td, struct input_dev *input) |
5519cab4 | 712 | { |
c2517f62 BT |
713 | if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && |
714 | td->num_received >= td->num_expected) | |
715 | return; | |
716 | ||
20b60e6d | 717 | if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { |
6dd2e27a | 718 | int active; |
3e1b5015 HR |
719 | int slotnum = mt_compute_slot(td, input); |
720 | struct mt_slot *s = &td->curdata; | |
28728399 | 721 | struct input_mt *mt = input->mt; |
5519cab4 | 722 | |
3e1b5015 HR |
723 | if (slotnum < 0 || slotnum >= td->maxcontacts) |
724 | return; | |
5519cab4 | 725 | |
28728399 BT |
726 | if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { |
727 | struct input_mt_slot *slot = &mt->slots[slotnum]; | |
728 | if (input_mt_is_active(slot) && | |
729 | input_mt_is_used(mt, slot)) | |
730 | return; | |
731 | } | |
732 | ||
6dd2e27a | 733 | if (!(td->mtclass.quirks & MT_QUIRK_CONFIDENCE)) |
001fab49 | 734 | s->confidence_state = true; |
6dd2e27a AH |
735 | active = (s->touch_state || s->inrange_state) && |
736 | s->confidence_state; | |
737 | ||
3e1b5015 | 738 | input_mt_slot(input, slotnum); |
6dd2e27a AH |
739 | input_mt_report_slot_state(input, MT_TOOL_FINGER, active); |
740 | if (active) { | |
9b3bb9b8 | 741 | /* this finger is in proximity of the sensor */ |
f786bba4 | 742 | int wide = (s->w > s->h); |
e9d0a26d HC |
743 | int major = max(s->w, s->h); |
744 | int minor = min(s->w, s->h); | |
00720277 WNH |
745 | int orientation = wide; |
746 | ||
747 | if (s->has_azimuth) | |
748 | orientation = s->a; | |
e9d0a26d HC |
749 | |
750 | /* | |
751 | * divided by two to match visual scale of touch | |
752 | * for devices with this quirk | |
753 | */ | |
754 | if (td->mtclass.quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { | |
755 | major = major >> 1; | |
756 | minor = minor >> 1; | |
757 | } | |
f786bba4 | 758 | |
2d93666e BT |
759 | input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
760 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); | |
349fd670 BT |
761 | input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); |
762 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); | |
9b3bb9b8 BT |
763 | input_event(input, EV_ABS, ABS_MT_DISTANCE, |
764 | !s->touch_state); | |
00720277 WNH |
765 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, |
766 | orientation); | |
2d93666e | 767 | input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
f786bba4 BT |
768 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
769 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
96098274 BT |
770 | |
771 | set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
2d93666e | 772 | } |
5519cab4 BT |
773 | } |
774 | ||
3e1b5015 HR |
775 | td->num_received++; |
776 | } | |
777 | ||
778 | /* | |
779 | * this function is called when a whole packet has been received and processed, | |
780 | * so that it can decide what to send to the input layer. | |
781 | */ | |
782 | static void mt_sync_frame(struct mt_device *td, struct input_dev *input) | |
783 | { | |
d9c57a70 | 784 | if (td->mtclass.quirks & MT_QUIRK_WIN8_PTP_BUTTONS) |
127e71bd HG |
785 | input_event(input, EV_KEY, BTN_LEFT, td->left_button_state); |
786 | ||
76f5902a | 787 | input_mt_sync_frame(input); |
29cc309d | 788 | input_event(input, EV_MSC, MSC_TIMESTAMP, td->timestamp); |
5519cab4 BT |
789 | input_sync(input); |
790 | td->num_received = 0; | |
127e71bd | 791 | td->left_button_state = 0; |
96098274 BT |
792 | if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) |
793 | set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
794 | else | |
795 | clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
796 | clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
5519cab4 BT |
797 | } |
798 | ||
29cc309d NB |
799 | static int mt_compute_timestamp(struct mt_device *td, struct hid_field *field, |
800 | __s32 value) | |
801 | { | |
802 | long delta = value - td->dev_time; | |
803 | unsigned long jdelta = jiffies_to_usecs(jiffies - td->jiffies); | |
804 | ||
805 | td->jiffies = jiffies; | |
806 | td->dev_time = value; | |
807 | ||
808 | if (delta < 0) | |
809 | delta += field->logical_maximum; | |
810 | ||
811 | /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ | |
812 | delta *= 100; | |
813 | ||
814 | if (jdelta > MAX_TIMESTAMP_INTERVAL) | |
815 | /* No data received for a while, resync the timestamp. */ | |
816 | return 0; | |
817 | else | |
818 | return td->timestamp + delta; | |
819 | } | |
820 | ||
a69c5f8b | 821 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 822 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
823 | { |
824 | /* we will handle the hidinput part later, now remains hiddev */ | |
825 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
826 | hid->hiddev_hid_event(hid, field, usage, value); | |
827 | ||
828 | return 1; | |
829 | } | |
830 | ||
831 | static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, | |
55746d28 HG |
832 | struct hid_usage *usage, __s32 value, |
833 | bool first_packet) | |
5519cab4 BT |
834 | { |
835 | struct mt_device *td = hid_get_drvdata(hid); | |
eec29e3d | 836 | __s32 quirks = td->mtclass.quirks; |
4c437555 | 837 | struct input_dev *input = field->hidinput->input; |
5519cab4 | 838 | |
3e1b5015 | 839 | if (hid->claimed & HID_CLAIMED_INPUT) { |
5519cab4 BT |
840 | switch (usage->hid) { |
841 | case HID_DG_INRANGE: | |
20b60e6d | 842 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
2d93666e | 843 | td->curvalid = value; |
9b3bb9b8 BT |
844 | if (quirks & MT_QUIRK_HOVERING) |
845 | td->curdata.inrange_state = value; | |
5519cab4 BT |
846 | break; |
847 | case HID_DG_TIPSWITCH: | |
2d93666e BT |
848 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
849 | td->curvalid = value; | |
5519cab4 BT |
850 | td->curdata.touch_state = value; |
851 | break; | |
852 | case HID_DG_CONFIDENCE: | |
6dd2e27a AH |
853 | if (quirks & MT_QUIRK_CONFIDENCE) |
854 | td->curdata.confidence_state = value; | |
2d93666e BT |
855 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
856 | td->curvalid = value; | |
5519cab4 BT |
857 | break; |
858 | case HID_DG_CONTACTID: | |
859 | td->curdata.contactid = value; | |
860 | break; | |
861 | case HID_DG_TIPPRESSURE: | |
862 | td->curdata.p = value; | |
863 | break; | |
864 | case HID_GD_X: | |
349fd670 BT |
865 | if (usage->code == ABS_MT_TOOL_X) |
866 | td->curdata.cx = value; | |
867 | else | |
868 | td->curdata.x = value; | |
5519cab4 BT |
869 | break; |
870 | case HID_GD_Y: | |
349fd670 BT |
871 | if (usage->code == ABS_MT_TOOL_Y) |
872 | td->curdata.cy = value; | |
873 | else | |
874 | td->curdata.y = value; | |
5519cab4 BT |
875 | break; |
876 | case HID_DG_WIDTH: | |
877 | td->curdata.w = value; | |
878 | break; | |
879 | case HID_DG_HEIGHT: | |
880 | td->curdata.h = value; | |
881 | break; | |
29cc309d NB |
882 | case HID_DG_SCANTIME: |
883 | td->timestamp = mt_compute_timestamp(td, field, value); | |
884 | break; | |
5519cab4 | 885 | case HID_DG_CONTACTCOUNT: |
5519cab4 | 886 | break; |
00720277 WNH |
887 | case HID_DG_AZIMUTH: |
888 | /* | |
889 | * Azimuth is counter-clockwise and ranges from [0, MAX) | |
890 | * (a full revolution). Convert it to clockwise ranging | |
891 | * [-MAX/2, MAX/2]. | |
892 | * | |
893 | * Note that ABS_MT_ORIENTATION require us to report | |
894 | * the limit of [-MAX/4, MAX/4], but the value can go | |
895 | * out of range to [-MAX/2, MAX/2] to report an upside | |
896 | * down ellipsis. | |
897 | */ | |
898 | if (value > field->logical_maximum / 2) | |
899 | value -= field->logical_maximum; | |
900 | td->curdata.a = -value; | |
901 | td->curdata.has_azimuth = true; | |
902 | break; | |
c2ef8f21 BT |
903 | case HID_DG_TOUCH: |
904 | /* do nothing */ | |
905 | break; | |
5519cab4 BT |
906 | |
907 | default: | |
55746d28 HG |
908 | /* |
909 | * For Win8 PTP touchpads we should only look at | |
910 | * non finger/touch events in the first_packet of | |
911 | * a (possible) multi-packet frame. | |
912 | */ | |
d9c57a70 | 913 | if ((quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
55746d28 HG |
914 | !first_packet) |
915 | return; | |
916 | ||
127e71bd HG |
917 | /* |
918 | * For Win8 PTP touchpads we map both the clickpad click | |
919 | * and any "external" left buttons to BTN_LEFT if a | |
920 | * device claims to have both we need to report 1 for | |
921 | * BTN_LEFT if either is pressed, so we or all values | |
922 | * together and report the result in mt_sync_frame(). | |
923 | */ | |
d9c57a70 | 924 | if ((quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
127e71bd HG |
925 | usage->type == EV_KEY && usage->code == BTN_LEFT) { |
926 | td->left_button_state |= value; | |
927 | return; | |
928 | } | |
929 | ||
4c437555 BT |
930 | if (usage->type) |
931 | input_event(input, usage->type, usage->code, | |
932 | value); | |
55978fa9 | 933 | return; |
5519cab4 | 934 | } |
5519cab4 | 935 | |
54f4c0c3 BT |
936 | if (usage->usage_index + 1 == field->report_count) { |
937 | /* we only take into account the last report. */ | |
938 | if (usage->hid == td->last_slot_field) | |
939 | mt_complete_slot(td, field->hidinput->input); | |
54f4c0c3 | 940 | } |
5519cab4 | 941 | |
2d93666e | 942 | } |
55978fa9 | 943 | } |
5519cab4 | 944 | |
a69c5f8b | 945 | static void mt_touch_report(struct hid_device *hid, struct hid_report *report) |
55978fa9 BT |
946 | { |
947 | struct mt_device *td = hid_get_drvdata(hid); | |
948 | struct hid_field *field; | |
55746d28 | 949 | bool first_packet; |
55978fa9 | 950 | unsigned count; |
af8dc4d0 | 951 | int r, n, scantime = 0; |
5519cab4 | 952 | |
4f4001bc BT |
953 | /* sticky fingers release in progress, abort */ |
954 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
955 | return; | |
956 | ||
c2517f62 BT |
957 | /* |
958 | * Includes multi-packet support where subsequent | |
959 | * packets are sent with zero contactcount. | |
960 | */ | |
af8dc4d0 HG |
961 | if (td->scantime_index >= 0) { |
962 | field = report->field[td->scantime_index]; | |
963 | scantime = field->value[td->scantime_val_index]; | |
964 | } | |
7e3cc447 BT |
965 | if (td->cc_index >= 0) { |
966 | struct hid_field *field = report->field[td->cc_index]; | |
967 | int value = field->value[td->cc_value_index]; | |
af8dc4d0 HG |
968 | |
969 | /* | |
970 | * For Win8 PTPs the first packet (td->num_received == 0) may | |
971 | * have a contactcount of 0 if there only is a button event. | |
972 | * We double check that this is not a continuation packet | |
973 | * of a possible multi-packet frame be checking that the | |
974 | * timestamp has changed. | |
975 | */ | |
d9c57a70 | 976 | if ((td->mtclass.quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
af8dc4d0 HG |
977 | td->num_received == 0 && td->prev_scantime != scantime) |
978 | td->num_expected = value; | |
979 | /* A non 0 contact count always indicates a first packet */ | |
980 | else if (value) | |
7e3cc447 BT |
981 | td->num_expected = value; |
982 | } | |
af8dc4d0 | 983 | td->prev_scantime = scantime; |
c2517f62 | 984 | |
55746d28 | 985 | first_packet = td->num_received == 0; |
55978fa9 BT |
986 | for (r = 0; r < report->maxfield; r++) { |
987 | field = report->field[r]; | |
988 | count = field->report_count; | |
989 | ||
990 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
991 | continue; | |
992 | ||
993 | for (n = 0; n < count; n++) | |
994 | mt_process_mt_event(hid, field, &field->usage[n], | |
55746d28 | 995 | field->value[n], first_packet); |
55978fa9 | 996 | } |
5b62efd8 BT |
997 | |
998 | if (td->num_received >= td->num_expected) | |
999 | mt_sync_frame(td, report->field[0]->hidinput->input); | |
4f4001bc BT |
1000 | |
1001 | /* | |
1002 | * Windows 8 specs says 2 things: | |
1003 | * - once a contact has been reported, it has to be reported in each | |
1004 | * subsequent report | |
1005 | * - the report rate when fingers are present has to be at least | |
1006 | * the refresh rate of the screen, 60 or 120 Hz | |
1007 | * | |
1008 | * I interprete this that the specification forces a report rate of | |
1009 | * at least 60 Hz for a touchscreen to be certified. | |
1010 | * Which means that if we do not get a report whithin 16 ms, either | |
1011 | * something wrong happens, either the touchscreen forgets to send | |
1012 | * a release. Taking a reasonable margin allows to remove issues | |
1013 | * with USB communication or the load of the machine. | |
1014 | * | |
1015 | * Given that Win 8 devices are forced to send a release, this will | |
1016 | * only affect laggish machines and the ones that have a firmware | |
1017 | * defect. | |
1018 | */ | |
96098274 BT |
1019 | if (td->mtclass.quirks & MT_QUIRK_STICKY_FINGERS) { |
1020 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) | |
1021 | mod_timer(&td->release_timer, | |
1022 | jiffies + msecs_to_jiffies(100)); | |
1023 | else | |
1024 | del_timer(&td->release_timer); | |
1025 | } | |
4f4001bc BT |
1026 | |
1027 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); | |
5519cab4 BT |
1028 | } |
1029 | ||
b2c68a2f | 1030 | static int mt_touch_input_configured(struct hid_device *hdev, |
a69c5f8b BT |
1031 | struct hid_input *hi) |
1032 | { | |
1033 | struct mt_device *td = hid_get_drvdata(hdev); | |
1034 | struct mt_class *cls = &td->mtclass; | |
1035 | struct input_dev *input = hi->input; | |
b2c68a2f | 1036 | int ret; |
a69c5f8b BT |
1037 | |
1038 | if (!td->maxcontacts) | |
1039 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
1040 | ||
1041 | mt_post_parse(td); | |
1042 | if (td->serial_maybe) | |
1043 | mt_post_parse_default_settings(td); | |
1044 | ||
1045 | if (cls->is_indirect) | |
1046 | td->mt_flags |= INPUT_MT_POINTER; | |
1047 | ||
1048 | if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
1049 | td->mt_flags |= INPUT_MT_DROP_UNUSED; | |
1050 | ||
015fdaa9 BT |
1051 | /* check for clickpads */ |
1052 | if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1)) | |
2c6e0277 SF |
1053 | td->is_buttonpad = true; |
1054 | ||
1055 | if (td->is_buttonpad) | |
015fdaa9 BT |
1056 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
1057 | ||
b2c68a2f DT |
1058 | ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags); |
1059 | if (ret) | |
1060 | return ret; | |
a69c5f8b BT |
1061 | |
1062 | td->mt_flags = 0; | |
b2c68a2f | 1063 | return 0; |
a69c5f8b BT |
1064 | } |
1065 | ||
957b8dff JPRV |
1066 | #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
1067 | max, EV_KEY, (c)) | |
a69c5f8b BT |
1068 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
1069 | struct hid_field *field, struct hid_usage *usage, | |
1070 | unsigned long **bit, int *max) | |
1071 | { | |
6aef704e BT |
1072 | struct mt_device *td = hid_get_drvdata(hdev); |
1073 | ||
1074 | /* | |
1075 | * If mtclass.export_all_inputs is not set, only map fields from | |
1076 | * TouchScreen or TouchPad collections. We need to ignore fields | |
1077 | * that belong to other collections such as Mouse that might have | |
1078 | * the same GenericDesktop usages. | |
1079 | */ | |
1080 | if (!td->mtclass.export_all_inputs && | |
1081 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 1082 | field->application != HID_DG_PEN && |
8fe89ef0 BT |
1083 | field->application != HID_DG_TOUCHPAD && |
1084 | field->application != HID_GD_KEYBOARD && | |
e57f4e67 | 1085 | field->application != HID_GD_SYSTEM_CONTROL && |
1fbf74ef | 1086 | field->application != HID_CP_CONSUMER_CONTROL && |
957b8dff JPRV |
1087 | field->application != HID_GD_WIRELESS_RADIO_CTLS && |
1088 | !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && | |
1089 | td->mtclass.quirks & MT_QUIRK_ASUS_CUSTOM_UP)) | |
6f492f28 | 1090 | return -1; |
a69c5f8b | 1091 | |
957b8dff JPRV |
1092 | /* |
1093 | * Some Asus keyboard+touchpad devices have the hotkeys defined in the | |
1094 | * touchpad report descriptor. We need to treat these as an array to | |
1095 | * map usages to input keys. | |
1096 | */ | |
39bbf402 | 1097 | if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && |
957b8dff JPRV |
1098 | td->mtclass.quirks & MT_QUIRK_ASUS_CUSTOM_UP && |
1099 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { | |
1100 | set_bit(EV_REP, hi->input->evbit); | |
1101 | if (field->flags & HID_MAIN_ITEM_VARIABLE) | |
1102 | field->flags &= ~HID_MAIN_ITEM_VARIABLE; | |
1103 | switch (usage->hid & HID_USAGE) { | |
1104 | case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
1105 | case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; | |
1106 | case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; | |
1107 | case 0x6b: mt_map_key_clear(KEY_F21); break; | |
1108 | case 0x6c: mt_map_key_clear(KEY_SLEEP); break; | |
1109 | default: | |
1110 | return -1; | |
1111 | } | |
1112 | return 1; | |
1113 | } | |
1114 | ||
6aef704e BT |
1115 | /* |
1116 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1117 | * for the stylus. | |
1cc1cc92 BA |
1118 | * The check for mt_report_id ensures we don't process |
1119 | * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical | |
1120 | * collection, but within the report ID. | |
6aef704e | 1121 | */ |
a69c5f8b | 1122 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 1123 | return 0; |
1cc1cc92 BA |
1124 | else if ((field->physical == 0) && |
1125 | (field->report->id != td->mt_report_id) && | |
1126 | (td->mt_report_id != -1)) | |
1127 | return 0; | |
a69c5f8b | 1128 | |
6aef704e BT |
1129 | if (field->application == HID_DG_TOUCHSCREEN || |
1130 | field->application == HID_DG_TOUCHPAD) | |
1131 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); | |
1132 | ||
1133 | /* let hid-core decide for the others */ | |
1134 | return 0; | |
a69c5f8b BT |
1135 | } |
1136 | ||
1137 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
1138 | struct hid_field *field, struct hid_usage *usage, | |
1139 | unsigned long **bit, int *max) | |
1140 | { | |
6aef704e BT |
1141 | /* |
1142 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1143 | * for the stylus. | |
1144 | */ | |
fa11aa72 | 1145 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 1146 | return 0; |
fa11aa72 | 1147 | |
6aef704e | 1148 | if (field->application == HID_DG_TOUCHSCREEN || |
4cf56a89 DT |
1149 | field->application == HID_DG_TOUCHPAD) { |
1150 | /* We own these mappings, tell hid-input to ignore them */ | |
1151 | return -1; | |
1152 | } | |
6aef704e BT |
1153 | |
1154 | /* let hid-core decide for the others */ | |
1155 | return 0; | |
a69c5f8b BT |
1156 | } |
1157 | ||
1158 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
1159 | struct hid_usage *usage, __s32 value) | |
1160 | { | |
1161 | struct mt_device *td = hid_get_drvdata(hid); | |
1162 | ||
1163 | if (field->report->id == td->mt_report_id) | |
1164 | return mt_touch_event(hid, field, usage, value); | |
1165 | ||
e55f6200 | 1166 | return 0; |
a69c5f8b BT |
1167 | } |
1168 | ||
1169 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
1170 | { | |
1171 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 1172 | struct hid_field *field = report->field[0]; |
a69c5f8b BT |
1173 | |
1174 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
1175 | return; | |
1176 | ||
1177 | if (report->id == td->mt_report_id) | |
e55f6200 | 1178 | return mt_touch_report(hid, report); |
fa11aa72 | 1179 | |
e55f6200 BT |
1180 | if (field && field->hidinput && field->hidinput->input) |
1181 | input_sync(field->hidinput->input); | |
5519cab4 BT |
1182 | } |
1183 | ||
1184 | static void mt_set_input_mode(struct hid_device *hdev) | |
1185 | { | |
1186 | struct mt_device *td = hid_get_drvdata(hdev); | |
1187 | struct hid_report *r; | |
1188 | struct hid_report_enum *re; | |
da10bc25 MM |
1189 | struct mt_class *cls = &td->mtclass; |
1190 | char *buf; | |
3064a03b | 1191 | u32 report_len; |
5519cab4 BT |
1192 | |
1193 | if (td->inputmode < 0) | |
1194 | return; | |
1195 | ||
1196 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
1197 | r = re->report_id_hash[td->inputmode]; | |
1198 | if (r) { | |
da10bc25 | 1199 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
dabb05c6 | 1200 | report_len = hid_report_len(r); |
da10bc25 MM |
1201 | buf = hid_alloc_report_buf(r, GFP_KERNEL); |
1202 | if (!buf) { | |
1203 | hid_err(hdev, "failed to allocate buffer for report\n"); | |
1204 | return; | |
1205 | } | |
1206 | hid_hw_raw_request(hdev, r->id, buf, report_len, | |
1207 | HID_FEATURE_REPORT, | |
1208 | HID_REQ_GET_REPORT); | |
1209 | kfree(buf); | |
1210 | } | |
9abebedb | 1211 | r->field[0]->value[td->inputmode_index] = td->inputmode_value; |
d8814272 | 1212 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
5519cab4 BT |
1213 | } |
1214 | } | |
1215 | ||
31ae9bdd BT |
1216 | static void mt_set_maxcontacts(struct hid_device *hdev) |
1217 | { | |
1218 | struct mt_device *td = hid_get_drvdata(hdev); | |
1219 | struct hid_report *r; | |
1220 | struct hid_report_enum *re; | |
1221 | int fieldmax, max; | |
1222 | ||
1223 | if (td->maxcontact_report_id < 0) | |
1224 | return; | |
1225 | ||
1226 | if (!td->mtclass.maxcontacts) | |
1227 | return; | |
1228 | ||
1229 | re = &hdev->report_enum[HID_FEATURE_REPORT]; | |
1230 | r = re->report_id_hash[td->maxcontact_report_id]; | |
1231 | if (r) { | |
1232 | max = td->mtclass.maxcontacts; | |
1233 | fieldmax = r->field[0]->logical_maximum; | |
1234 | max = min(fieldmax, max); | |
1235 | if (r->field[0]->value[0] != max) { | |
1236 | r->field[0]->value[0] = max; | |
d8814272 | 1237 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
31ae9bdd BT |
1238 | } |
1239 | } | |
1240 | } | |
1241 | ||
4fa3a583 HR |
1242 | static void mt_post_parse_default_settings(struct mt_device *td) |
1243 | { | |
1244 | __s32 quirks = td->mtclass.quirks; | |
1245 | ||
1246 | /* unknown serial device needs special quirks */ | |
1247 | if (td->touches_by_report == 1) { | |
1248 | quirks |= MT_QUIRK_ALWAYS_VALID; | |
1249 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
1250 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
1251 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 1252 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
1253 | } |
1254 | ||
1255 | td->mtclass.quirks = quirks; | |
1256 | } | |
1257 | ||
3ac36d15 BT |
1258 | static void mt_post_parse(struct mt_device *td) |
1259 | { | |
1260 | struct mt_fields *f = td->fields; | |
c2517f62 | 1261 | struct mt_class *cls = &td->mtclass; |
3ac36d15 BT |
1262 | |
1263 | if (td->touches_by_report > 0) { | |
1264 | int field_count_per_touch = f->length / td->touches_by_report; | |
1265 | td->last_slot_field = f->usages[field_count_per_touch - 1]; | |
1266 | } | |
c2517f62 | 1267 | |
7e3cc447 | 1268 | if (td->cc_index < 0) |
c2517f62 | 1269 | cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
1270 | } |
1271 | ||
b2c68a2f | 1272 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
1273 | { |
1274 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
1275 | char *name; |
1276 | const char *suffix = NULL; | |
6aef704e | 1277 | struct hid_field *field = hi->report->field[0]; |
b2c68a2f | 1278 | int ret; |
76f5902a | 1279 | |
b2c68a2f DT |
1280 | if (hi->report->id == td->mt_report_id) { |
1281 | ret = mt_touch_input_configured(hdev, hi); | |
1282 | if (ret) | |
1283 | return ret; | |
1284 | } | |
76f5902a | 1285 | |
6aef704e BT |
1286 | /* |
1287 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1288 | * for the stylus. Check this first, and then rely on the application | |
1289 | * field. | |
1290 | */ | |
c08d46aa BT |
1291 | if (hi->report->field[0]->physical == HID_DG_STYLUS) { |
1292 | suffix = "Pen"; | |
e55f6200 BT |
1293 | /* force BTN_STYLUS to allow tablet matching in udev */ |
1294 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
6aef704e BT |
1295 | } else { |
1296 | switch (field->application) { | |
1297 | case HID_GD_KEYBOARD: | |
1298 | suffix = "Keyboard"; | |
1299 | break; | |
1300 | case HID_GD_KEYPAD: | |
1301 | suffix = "Keypad"; | |
1302 | break; | |
1303 | case HID_GD_MOUSE: | |
1304 | suffix = "Mouse"; | |
1305 | break; | |
1306 | case HID_DG_STYLUS: | |
1307 | suffix = "Pen"; | |
1308 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1309 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1310 | break; | |
1311 | case HID_DG_TOUCHSCREEN: | |
1312 | /* we do not set suffix = "Touchscreen" */ | |
1313 | break; | |
dc425a1c MW |
1314 | case HID_DG_TOUCHPAD: |
1315 | suffix = "Touchpad"; | |
1316 | break; | |
6aef704e BT |
1317 | case HID_GD_SYSTEM_CONTROL: |
1318 | suffix = "System Control"; | |
1319 | break; | |
1320 | case HID_CP_CONSUMER_CONTROL: | |
1321 | suffix = "Consumer Control"; | |
1322 | break; | |
1fbf74ef JPRV |
1323 | case HID_GD_WIRELESS_RADIO_CTLS: |
1324 | suffix = "Wireless Radio Control"; | |
1325 | break; | |
957b8dff JPRV |
1326 | case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: |
1327 | suffix = "Custom Media Keys"; | |
1328 | break; | |
6aef704e BT |
1329 | default: |
1330 | suffix = "UNKNOWN"; | |
1331 | break; | |
1332 | } | |
c08d46aa BT |
1333 | } |
1334 | ||
1335 | if (suffix) { | |
1336 | name = devm_kzalloc(&hi->input->dev, | |
1337 | strlen(hdev->name) + strlen(suffix) + 2, | |
1338 | GFP_KERNEL); | |
1339 | if (name) { | |
1340 | sprintf(name, "%s %s", hdev->name, suffix); | |
1341 | hi->input->name = name; | |
1342 | } | |
1343 | } | |
b2c68a2f DT |
1344 | |
1345 | return 0; | |
76f5902a HR |
1346 | } |
1347 | ||
f3287a99 BT |
1348 | static void mt_fix_const_field(struct hid_field *field, unsigned int usage) |
1349 | { | |
1350 | if (field->usage[0].hid != usage || | |
1351 | !(field->flags & HID_MAIN_ITEM_CONSTANT)) | |
1352 | return; | |
1353 | ||
1354 | field->flags &= ~HID_MAIN_ITEM_CONSTANT; | |
1355 | field->flags |= HID_MAIN_ITEM_VARIABLE; | |
1356 | } | |
1357 | ||
1358 | static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) | |
1359 | { | |
1360 | struct hid_report *report; | |
1361 | int i; | |
1362 | ||
1363 | list_for_each_entry(report, | |
1364 | &hdev->report_enum[HID_INPUT_REPORT].report_list, | |
1365 | list) { | |
1366 | ||
1367 | if (!report->maxfield) | |
1368 | continue; | |
1369 | ||
1370 | for (i = 0; i < report->maxfield; i++) | |
1371 | if (report->field[i]->maxusage >= 1) | |
1372 | mt_fix_const_field(report->field[i], usage); | |
1373 | } | |
1374 | } | |
1375 | ||
4f4001bc BT |
1376 | static void mt_release_contacts(struct hid_device *hid) |
1377 | { | |
1378 | struct hid_input *hidinput; | |
1379 | struct mt_device *td = hid_get_drvdata(hid); | |
1380 | ||
1381 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1382 | struct input_dev *input_dev = hidinput->input; | |
1383 | struct input_mt *mt = input_dev->mt; | |
1384 | int i; | |
1385 | ||
1386 | if (mt) { | |
1387 | for (i = 0; i < mt->num_slots; i++) { | |
1388 | input_mt_slot(input_dev, i); | |
1389 | input_mt_report_slot_state(input_dev, | |
1390 | MT_TOOL_FINGER, | |
1391 | false); | |
1392 | } | |
1393 | input_mt_sync_frame(input_dev); | |
1394 | input_sync(input_dev); | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | td->num_received = 0; | |
1399 | } | |
1400 | ||
0ee32774 | 1401 | static void mt_expired_timeout(struct timer_list *t) |
4f4001bc | 1402 | { |
0ee32774 KC |
1403 | struct mt_device *td = from_timer(td, t, release_timer); |
1404 | struct hid_device *hdev = td->hdev; | |
4f4001bc BT |
1405 | |
1406 | /* | |
1407 | * An input report came in just before we release the sticky fingers, | |
1408 | * it will take care of the sticky fingers. | |
1409 | */ | |
1410 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
1411 | return; | |
96098274 BT |
1412 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1413 | mt_release_contacts(hdev); | |
4f4001bc BT |
1414 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); |
1415 | } | |
1416 | ||
5519cab4 BT |
1417 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1418 | { | |
2d93666e | 1419 | int ret, i; |
5519cab4 | 1420 | struct mt_device *td; |
2d93666e BT |
1421 | struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
1422 | ||
94b5485c HR |
1423 | for (i = 0; mt_classes[i].name ; i++) { |
1424 | if (id->driver_data == mt_classes[i].name) { | |
1425 | mtclass = &(mt_classes[i]); | |
1426 | break; | |
2d93666e BT |
1427 | } |
1428 | } | |
5519cab4 | 1429 | |
c08d46aa | 1430 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1431 | if (!td) { |
1432 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1433 | return -ENOMEM; | |
1434 | } | |
0ee32774 | 1435 | td->hdev = hdev; |
eec29e3d | 1436 | td->mtclass = *mtclass; |
5519cab4 | 1437 | td->inputmode = -1; |
31ae9bdd | 1438 | td->maxcontact_report_id = -1; |
9abebedb | 1439 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
7e3cc447 | 1440 | td->cc_index = -1; |
af8dc4d0 | 1441 | td->scantime_index = -1; |
fa11aa72 | 1442 | td->mt_report_id = -1; |
5519cab4 BT |
1443 | hid_set_drvdata(hdev, td); |
1444 | ||
c08d46aa BT |
1445 | td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields), |
1446 | GFP_KERNEL); | |
3ac36d15 BT |
1447 | if (!td->fields) { |
1448 | dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); | |
c08d46aa | 1449 | return -ENOMEM; |
3ac36d15 BT |
1450 | } |
1451 | ||
76f5902a HR |
1452 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1453 | td->serial_maybe = true; | |
1454 | ||
b897f6db BT |
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; | |
b897f6db | 1466 | |
0ee32774 | 1467 | timer_setup(&td->release_timer, mt_expired_timeout, 0); |
4f4001bc | 1468 | |
5519cab4 BT |
1469 | ret = hid_parse(hdev); |
1470 | if (ret != 0) | |
c08d46aa | 1471 | return ret; |
5519cab4 | 1472 | |
f3287a99 BT |
1473 | if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) |
1474 | mt_fix_const_fields(hdev, HID_DG_CONTACTID); | |
1475 | ||
5519cab4 | 1476 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
2d93666e | 1477 | if (ret) |
c08d46aa | 1478 | return ret; |
5519cab4 | 1479 | |
eec29e3d | 1480 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1481 | if (ret) |
1482 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1483 | hdev->name); | |
eec29e3d | 1484 | |
31ae9bdd | 1485 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1486 | mt_set_input_mode(hdev); |
1487 | ||
c08d46aa BT |
1488 | /* release .fields memory as it is not used anymore */ |
1489 | devm_kfree(&hdev->dev, td->fields); | |
3ac36d15 BT |
1490 | td->fields = NULL; |
1491 | ||
5519cab4 | 1492 | return 0; |
5519cab4 BT |
1493 | } |
1494 | ||
1495 | #ifdef CONFIG_PM | |
1496 | static int mt_reset_resume(struct hid_device *hdev) | |
1497 | { | |
d3e69b9a | 1498 | mt_release_contacts(hdev); |
31ae9bdd | 1499 | mt_set_maxcontacts(hdev); |
5519cab4 BT |
1500 | mt_set_input_mode(hdev); |
1501 | return 0; | |
1502 | } | |
dfeefd10 SL |
1503 | |
1504 | static int mt_resume(struct hid_device *hdev) | |
1505 | { | |
dfeefd10 SL |
1506 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1507 | * It should be safe to send it to other devices too. | |
1508 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1509 | ||
4ba25d3f | 1510 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 SL |
1511 | |
1512 | return 0; | |
1513 | } | |
5519cab4 BT |
1514 | #endif |
1515 | ||
1516 | static void mt_remove(struct hid_device *hdev) | |
1517 | { | |
b897f6db BT |
1518 | struct mt_device *td = hid_get_drvdata(hdev); |
1519 | ||
4f4001bc BT |
1520 | del_timer_sync(&td->release_timer); |
1521 | ||
eec29e3d | 1522 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1523 | hid_hw_stop(hdev); |
5519cab4 BT |
1524 | } |
1525 | ||
0fa9c616 BT |
1526 | /* |
1527 | * This list contains only: | |
1528 | * - VID/PID of products not working with the default multitouch handling | |
1529 | * - 2 generic rules. | |
1530 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1531 | */ | |
5519cab4 BT |
1532 | static const struct hid_device_id mt_devices[] = { |
1533 | ||
f786bba4 BT |
1534 | /* 3M panels */ |
1535 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1536 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1537 | USB_DEVICE_ID_3M1968) }, |
1538 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1539 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1540 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1541 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1542 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1543 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1544 | |
504c932c MO |
1545 | /* Alps devices */ |
1546 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1547 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1548 | USB_VENDOR_ID_ALPS_JP, | |
1549 | HID_DEVICE_ID_ALPS_U1_DUAL_PTP) }, | |
1550 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1551 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1552 | USB_VENDOR_ID_ALPS_JP, | |
1553 | HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) }, | |
1554 | ||
56d859e1 PT |
1555 | /* Lenovo X1 TAB Gen 2 */ |
1556 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1557 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1558 | USB_VENDOR_ID_LENOVO, | |
1559 | USB_DEVICE_ID_LENOVO_X1_TAB) }, | |
1560 | ||
6aef704e BT |
1561 | /* Anton devices */ |
1562 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1563 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1564 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1565 | |
957b8dff JPRV |
1566 | /* Asus T304UA */ |
1567 | { .driver_data = MT_CLS_ASUS, | |
1568 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1569 | USB_VENDOR_ID_ASUSTEK, | |
1570 | USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, | |
1571 | ||
b1057124 | 1572 | /* Atmel panels */ |
841cb157 | 1573 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1574 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1575 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1576 | |
9ed32695 | 1577 | /* Baanto multitouch devices */ |
dc3e1d80 | 1578 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1579 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1580 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1581 | |
a841b62c BT |
1582 | /* Cando panels */ |
1583 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1584 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1585 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1586 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1587 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1588 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1589 | ||
942fd422 | 1590 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1591 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1592 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1593 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1594 | ||
070f63b4 YB |
1595 | /* CJTouch panels */ |
1596 | { .driver_data = MT_CLS_NSMU, | |
1597 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1598 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1599 | { .driver_data = MT_CLS_NSMU, | |
1600 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1601 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1602 | ||
79603dc9 | 1603 | /* CVTouch panels */ |
dc3e1d80 | 1604 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1605 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1606 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1607 | ||
22408283 | 1608 | /* eGalax devices (resistive) */ |
e36f690b | 1609 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1610 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1611 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1612 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1613 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1614 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1615 | |
1616 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1617 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1618 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1619 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1620 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1621 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1622 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1623 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1624 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1625 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1626 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1627 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1628 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1629 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1630 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1631 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1632 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1633 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1634 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1635 | { .driver_data = MT_CLS_EGALAX, |
1636 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1637 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1638 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1639 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1640 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1641 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1642 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1643 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1644 | { .driver_data = MT_CLS_EGALAX, |
1645 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1646 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1647 | { .driver_data = MT_CLS_EGALAX, | |
1648 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1649 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1650 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1651 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1652 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1653 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1654 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1655 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1656 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1657 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1658 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1659 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1660 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1661 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1662 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1663 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1664 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
22408283 | 1665 | |
7c7606a2 TS |
1666 | /* Elitegroup panel */ |
1667 | { .driver_data = MT_CLS_SERIAL, | |
1668 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
1669 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
1670 | ||
77723e3b HR |
1671 | /* Flatfrog Panels */ |
1672 | { .driver_data = MT_CLS_FLATFROG, | |
1673 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
1674 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
1675 | ||
3db187e7 BT |
1676 | /* FocalTech Panels */ |
1677 | { .driver_data = MT_CLS_SERIAL, | |
1678 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
1679 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
1680 | ||
5572da08 | 1681 | /* GeneralTouch panel */ |
f5ff4e1e | 1682 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 1683 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 1684 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
1685 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1686 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1687 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
1688 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1689 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1690 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
1691 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1692 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1693 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
1694 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1695 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1696 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
1697 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1698 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1699 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
1700 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1701 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1702 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 1703 | |
4d5df5d1 | 1704 | /* Gametel game controller */ |
dc3e1d80 | 1705 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1706 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
1707 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1708 | ||
ee0fbd14 | 1709 | /* GoodTouch panels */ |
dc3e1d80 | 1710 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1711 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
1712 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1713 | ||
54580365 BT |
1714 | /* Hanvon panels */ |
1715 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 1716 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
1717 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1718 | ||
4e61f0d7 | 1719 | /* Ilitek dual touch panel */ |
dc3e1d80 | 1720 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1721 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
1722 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1723 | ||
f3287a99 BT |
1724 | /* LG Melfas panel */ |
1725 | { .driver_data = MT_CLS_LG, | |
1726 | HID_USB_DEVICE(USB_VENDOR_ID_LG, | |
1727 | USB_DEVICE_ID_LG_MELFAS_MT) }, | |
1728 | ||
4a6ee685 BT |
1729 | /* MosArt panels */ |
1730 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1731 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1732 | USB_DEVICE_ID_ASUS_T91MT)}, |
1733 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1734 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1735 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1736 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1737 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
1738 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1739 | ||
4db703ea | 1740 | /* Novatek Panel */ |
dc3e1d80 | 1741 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 1742 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
1743 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1744 | ||
a80e803a BT |
1745 | /* Ntrig Panel */ |
1746 | { .driver_data = MT_CLS_NSMU, | |
1747 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1748 | USB_VENDOR_ID_NTRIG, 0x1b05) }, | |
1749 | ||
fb55b402 HG |
1750 | /* Panasonic panels */ |
1751 | { .driver_data = MT_CLS_PANASONIC, | |
1752 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
1753 | USB_DEVICE_ID_PANABOARD_UBT780) }, | |
1754 | { .driver_data = MT_CLS_PANASONIC, | |
1755 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
1756 | USB_DEVICE_ID_PANABOARD_UBT880) }, | |
1757 | ||
b7ea95ff AT |
1758 | /* PixArt optical touch screen */ |
1759 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1760 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1761 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1762 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1763 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1764 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1765 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1766 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1767 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1768 | ||
5519cab4 | 1769 | /* PixCir-based panels */ |
1e9cf35b | 1770 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 1771 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
1772 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1773 | ||
5e7ea11f | 1774 | /* Quanta-based panels */ |
5e7ea11f | 1775 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 1776 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 1777 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 1778 | |
843e475f BT |
1779 | /* Razer touchpads */ |
1780 | { .driver_data = MT_CLS_RAZER_BLADE_STEALTH, | |
1781 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1782 | USB_VENDOR_ID_SYNAPTICS, 0x8323) }, | |
1783 | ||
043b403a | 1784 | /* Stantum panels */ |
bf5af9b5 | 1785 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 1786 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 1787 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 1788 | |
847672cd BT |
1789 | /* TopSeed panels */ |
1790 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 1791 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
1792 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1793 | ||
5e74e56d | 1794 | /* Touch International panels */ |
dc3e1d80 | 1795 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1796 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
1797 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1798 | ||
617b64f9 | 1799 | /* Unitec panels */ |
dc3e1d80 | 1800 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1801 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1802 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 1803 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1804 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1805 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 1806 | |
da10bc25 MM |
1807 | /* VTL panels */ |
1808 | { .driver_data = MT_CLS_VTL, | |
1809 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
1810 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
1811 | ||
bf9d121e KC |
1812 | /* Wistron panels */ |
1813 | { .driver_data = MT_CLS_NSMU, | |
1814 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
1815 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
1816 | ||
bc8a2a9b | 1817 | /* XAT */ |
dc3e1d80 | 1818 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1819 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 1820 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 1821 | |
11576c61 | 1822 | /* Xiroku */ |
dc3e1d80 | 1823 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1824 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1825 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 1826 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1827 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1828 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 1829 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1830 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1831 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 1832 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1833 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1834 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 1835 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1836 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1837 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 1838 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1839 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1840 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 1841 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1842 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1843 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 1844 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1845 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1846 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 1847 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1848 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
1849 | USB_DEVICE_ID_XIROKU_CSR2) }, |
1850 | ||
0e82232c WNH |
1851 | /* Google MT devices */ |
1852 | { .driver_data = MT_CLS_GOOGLE, | |
1853 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, | |
1854 | USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, | |
1855 | ||
4fa3a583 HR |
1856 | /* Generic MT device */ |
1857 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
1858 | |
1859 | /* Generic Win 8 certified MT device */ | |
1860 | { .driver_data = MT_CLS_WIN_8, | |
1861 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
1862 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
1863 | { } |
1864 | }; | |
1865 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
1866 | ||
1867 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
1868 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
1869 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
1870 | }; | |
1871 | ||
1872 | static struct hid_driver mt_driver = { | |
1873 | .name = "hid-multitouch", | |
1874 | .id_table = mt_devices, | |
1875 | .probe = mt_probe, | |
1876 | .remove = mt_remove, | |
1877 | .input_mapping = mt_input_mapping, | |
1878 | .input_mapped = mt_input_mapped, | |
76f5902a | 1879 | .input_configured = mt_input_configured, |
5519cab4 BT |
1880 | .feature_mapping = mt_feature_mapping, |
1881 | .usage_table = mt_grabbed_usages, | |
1882 | .event = mt_event, | |
55978fa9 | 1883 | .report = mt_report, |
5519cab4 BT |
1884 | #ifdef CONFIG_PM |
1885 | .reset_resume = mt_reset_resume, | |
dfeefd10 | 1886 | .resume = mt_resume, |
5519cab4 BT |
1887 | #endif |
1888 | }; | |
f425458e | 1889 | module_hid_driver(mt_driver); |