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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 | 30 | /* |
f146d1c4 | 31 | * This driver is regularly tested thanks to the test suite in hid-tools[1]. |
b0a78681 BT |
32 | * Please run these regression tests before patching this module so that |
33 | * your patch won't break existing known devices. | |
34 | * | |
f146d1c4 | 35 | * [1] https://gitlab.freedesktop.org/libevdev/hid-tools |
b0a78681 BT |
36 | */ |
37 | ||
5519cab4 BT |
38 | #include <linux/device.h> |
39 | #include <linux/hid.h> | |
40 | #include <linux/module.h> | |
41 | #include <linux/slab.h> | |
5519cab4 | 42 | #include <linux/input/mt.h> |
29cc309d | 43 | #include <linux/jiffies.h> |
49a5a827 | 44 | #include <linux/string.h> |
4f4001bc | 45 | #include <linux/timer.h> |
5519cab4 BT |
46 | |
47 | ||
48 | MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); | |
ef2fafb3 | 49 | MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); |
5519cab4 BT |
50 | MODULE_DESCRIPTION("HID multitouch panels"); |
51 | MODULE_LICENSE("GPL"); | |
52 | ||
53 | #include "hid-ids.h" | |
54 | ||
55 | /* quirks to control the device */ | |
fd911896 BT |
56 | #define MT_QUIRK_NOT_SEEN_MEANS_UP BIT(0) |
57 | #define MT_QUIRK_SLOT_IS_CONTACTID BIT(1) | |
58 | #define MT_QUIRK_CYPRESS BIT(2) | |
59 | #define MT_QUIRK_SLOT_IS_CONTACTNUMBER BIT(3) | |
60 | #define MT_QUIRK_ALWAYS_VALID BIT(4) | |
61 | #define MT_QUIRK_VALID_IS_INRANGE BIT(5) | |
62 | #define MT_QUIRK_VALID_IS_CONFIDENCE BIT(6) | |
63 | #define MT_QUIRK_CONFIDENCE BIT(7) | |
64 | #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE BIT(8) | |
65 | #define MT_QUIRK_NO_AREA BIT(9) | |
66 | #define MT_QUIRK_IGNORE_DUPLICATES BIT(10) | |
67 | #define MT_QUIRK_HOVERING BIT(11) | |
68 | #define MT_QUIRK_CONTACT_CNT_ACCURATE BIT(12) | |
69 | #define MT_QUIRK_FORCE_GET_FEATURE BIT(13) | |
70 | #define MT_QUIRK_FIX_CONST_CONTACT_ID BIT(14) | |
71 | #define MT_QUIRK_TOUCH_SIZE_SCALING BIT(15) | |
4f4001bc | 72 | #define MT_QUIRK_STICKY_FINGERS BIT(16) |
957b8dff | 73 | #define MT_QUIRK_ASUS_CUSTOM_UP BIT(17) |
d9c57a70 | 74 | #define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18) |
5519cab4 | 75 | |
9abebedb AD |
76 | #define MT_INPUTMODE_TOUCHSCREEN 0x02 |
77 | #define MT_INPUTMODE_TOUCHPAD 0x03 | |
78 | ||
2c6e0277 SF |
79 | #define MT_BUTTONTYPE_CLICKPAD 0 |
80 | ||
02946f4b BT |
81 | enum latency_mode { |
82 | HID_LATENCY_NORMAL = 0, | |
83 | HID_LATENCY_HIGH = 1, | |
84 | }; | |
85 | ||
4f4001bc | 86 | #define MT_IO_FLAGS_RUNNING 0 |
96098274 BT |
87 | #define MT_IO_FLAGS_ACTIVE_SLOTS 1 |
88 | #define MT_IO_FLAGS_PENDING_SLOTS 2 | |
4f4001bc | 89 | |
01eaac7e BT |
90 | static const bool mtrue = true; /* default for true */ |
91 | static const bool mfalse; /* default for false */ | |
92 | static const __s32 mzero; /* default for 0 */ | |
93 | ||
94 | #define DEFAULT_TRUE ((void *)&mtrue) | |
95 | #define DEFAULT_FALSE ((void *)&mfalse) | |
96 | #define DEFAULT_ZERO ((void *)&mzero) | |
97 | ||
98 | struct mt_usages { | |
99 | struct list_head list; | |
100 | __s32 *x, *y, *cx, *cy, *p, *w, *h, *a; | |
101 | __s32 *contactid; /* the device ContactID assigned to this slot */ | |
102 | bool *tip_state; /* is the touch valid? */ | |
103 | bool *inrange_state; /* is the finger in proximity of the sensor? */ | |
104 | bool *confidence_state; /* is the touch made by a finger? */ | |
5519cab4 BT |
105 | }; |
106 | ||
f146d1c4 BT |
107 | struct mt_application { |
108 | struct list_head list; | |
109 | unsigned int application; | |
01eaac7e | 110 | struct list_head mt_usages; /* mt usages list */ |
3ceb3826 BT |
111 | |
112 | __s32 quirks; | |
113 | ||
01eaac7e BT |
114 | __s32 *scantime; /* scantime reported */ |
115 | __s32 scantime_logical_max; /* max value for raw scantime */ | |
f146d1c4 | 116 | |
01eaac7e | 117 | __s32 *raw_cc; /* contact count in the report */ |
f146d1c4 BT |
118 | int left_button_state; /* left button state */ |
119 | unsigned int mt_flags; /* flags to pass to input-mt */ | |
120 | ||
121 | __u8 num_received; /* how many contacts we received */ | |
122 | __u8 num_expected; /* expected last contact index */ | |
123 | __u8 buttons_count; /* number of physical buttons per touchpad */ | |
124 | __u8 touches_by_report; /* how many touches are present in one report: | |
125 | * 1 means we should use a serial protocol | |
126 | * > 1 means hybrid (multitouch) protocol | |
127 | */ | |
128 | ||
129 | __s32 dev_time; /* the scan time provided by the device */ | |
130 | unsigned long jiffies; /* the frame's jiffies */ | |
131 | int timestamp; /* the timestamp to be sent */ | |
132 | int prev_scantime; /* scantime reported previously */ | |
133 | ||
134 | bool have_contact_count; | |
135 | }; | |
136 | ||
eec29e3d BT |
137 | struct mt_class { |
138 | __s32 name; /* MT_CLS */ | |
139 | __s32 quirks; | |
140 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
141 | __s32 sn_width; /* Signal/noise ratio for width events */ | |
142 | __s32 sn_height; /* Signal/noise ratio for height events */ | |
143 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
144 | __u8 maxcontacts; | |
c2ef8f21 | 145 | bool is_indirect; /* true for touchpads */ |
6aef704e | 146 | bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ |
eec29e3d BT |
147 | }; |
148 | ||
8dfe14b3 BT |
149 | struct mt_report_data { |
150 | struct list_head list; | |
151 | struct hid_report *report; | |
152 | struct mt_application *application; | |
153 | bool is_mt_collection; | |
154 | }; | |
155 | ||
5519cab4 | 156 | struct mt_device { |
eec29e3d | 157 | struct mt_class mtclass; /* our mt device class */ |
4f4001bc | 158 | struct timer_list release_timer; /* to release sticky fingers */ |
0ee32774 | 159 | struct hid_device *hdev; /* hid_device we're attached to */ |
4f4001bc | 160 | unsigned long mt_io_flags; /* mt flags (MT_IO_FLAGS_*) */ |
7f81c8db | 161 | __u8 inputmode_value; /* InputMode HID feature value */ |
9498f954 | 162 | __u8 maxcontacts; |
2c6e0277 | 163 | bool is_buttonpad; /* is this device a button pad? */ |
76f5902a | 164 | bool serial_maybe; /* need to check for serial protocol */ |
f146d1c4 BT |
165 | |
166 | struct list_head applications; | |
8dfe14b3 | 167 | struct list_head reports; |
5519cab4 BT |
168 | }; |
169 | ||
f146d1c4 BT |
170 | static void mt_post_parse_default_settings(struct mt_device *td, |
171 | struct mt_application *app); | |
172 | static void mt_post_parse(struct mt_device *td, struct mt_application *app); | |
a69c5f8b | 173 | |
5519cab4 | 174 | /* classes of device behavior */ |
22408283 BT |
175 | #define MT_CLS_DEFAULT 0x0001 |
176 | ||
a062cc5a SC |
177 | #define MT_CLS_SERIAL 0x0002 |
178 | #define MT_CLS_CONFIDENCE 0x0003 | |
5e7ea11f BT |
179 | #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
180 | #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 | |
181 | #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 | |
182 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 | |
0fa9c616 | 183 | /* reserved 0x0008 */ |
b7ea95ff | 184 | #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
dc3e1d80 | 185 | #define MT_CLS_NSMU 0x000a |
0fa9c616 BT |
186 | /* reserved 0x0010 */ |
187 | /* reserved 0x0011 */ | |
f961bd35 | 188 | #define MT_CLS_WIN_8 0x0012 |
6aef704e | 189 | #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 |
504c932c | 190 | #define MT_CLS_WIN_8_DUAL 0x0014 |
22408283 BT |
191 | |
192 | /* vendor specific classes */ | |
193 | #define MT_CLS_3M 0x0101 | |
0fa9c616 | 194 | /* reserved 0x0102 */ |
22408283 | 195 | #define MT_CLS_EGALAX 0x0103 |
1b723e8d | 196 | #define MT_CLS_EGALAX_SERIAL 0x0104 |
847672cd | 197 | #define MT_CLS_TOPSEED 0x0105 |
2258e863 | 198 | #define MT_CLS_PANASONIC 0x0106 |
77723e3b | 199 | #define MT_CLS_FLATFROG 0x0107 |
cdcd3ac4 JK |
200 | #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
201 | #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 | |
f3287a99 | 202 | #define MT_CLS_LG 0x010a |
957b8dff | 203 | #define MT_CLS_ASUS 0x010b |
da10bc25 | 204 | #define MT_CLS_VTL 0x0110 |
0e82232c | 205 | #define MT_CLS_GOOGLE 0x0111 |
843e475f | 206 | #define MT_CLS_RAZER_BLADE_STEALTH 0x0112 |
5519cab4 | 207 | |
9498f954 | 208 | #define MT_DEFAULT_MAXCONTACT 10 |
afbcb04c | 209 | #define MT_MAX_MAXCONTACT 250 |
9498f954 | 210 | |
29cc309d NB |
211 | /* |
212 | * Resync device and local timestamps after that many microseconds without | |
213 | * receiving data. | |
214 | */ | |
215 | #define MAX_TIMESTAMP_INTERVAL 1000000 | |
216 | ||
2c2110e9 HR |
217 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
218 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) | |
219 | ||
5519cab4 BT |
220 | /* |
221 | * these device-dependent functions determine what slot corresponds | |
222 | * to a valid contact that was just read. | |
223 | */ | |
224 | ||
01eaac7e BT |
225 | static int cypress_compute_slot(struct mt_application *application, |
226 | struct mt_usages *slot) | |
a3b5e577 | 227 | { |
01eaac7e BT |
228 | if (*slot->contactid != 0 || application->num_received == 0) |
229 | return *slot->contactid; | |
a3b5e577 BT |
230 | else |
231 | return -1; | |
232 | } | |
233 | ||
cf6d15d7 | 234 | static const struct mt_class mt_classes[] = { |
2d93666e | 235 | { .name = MT_CLS_DEFAULT, |
dc3e1d80 BT |
236 | .quirks = MT_QUIRK_ALWAYS_VALID | |
237 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
238 | { .name = MT_CLS_NSMU, | |
9498f954 | 239 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
a062cc5a SC |
240 | { .name = MT_CLS_SERIAL, |
241 | .quirks = MT_QUIRK_ALWAYS_VALID}, | |
22408283 BT |
242 | { .name = MT_CLS_CONFIDENCE, |
243 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, | |
5e7ea11f BT |
244 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
245 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
246 | MT_QUIRK_SLOT_IS_CONTACTID }, | |
22408283 BT |
247 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
248 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
249 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, | |
1e9cf35b | 250 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
251 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
252 | MT_QUIRK_SLOT_IS_CONTACTID, | |
253 | .maxcontacts = 2 }, | |
1e9cf35b | 254 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
255 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
256 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
257 | .maxcontacts = 2 }, | |
b7ea95ff AT |
258 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
259 | .quirks = MT_QUIRK_VALID_IS_INRANGE | | |
260 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, | |
f961bd35 BT |
261 | { .name = MT_CLS_WIN_8, |
262 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
263 | MT_QUIRK_IGNORE_DUPLICATES | | |
264 | MT_QUIRK_HOVERING | | |
4f4001bc | 265 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
d9c57a70 BT |
266 | MT_QUIRK_STICKY_FINGERS | |
267 | MT_QUIRK_WIN8_PTP_BUTTONS }, | |
6aef704e BT |
268 | { .name = MT_CLS_EXPORT_ALL_INPUTS, |
269 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
270 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
271 | .export_all_inputs = true }, | |
504c932c MO |
272 | { .name = MT_CLS_WIN_8_DUAL, |
273 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
274 | MT_QUIRK_IGNORE_DUPLICATES | | |
275 | MT_QUIRK_HOVERING | | |
d9c57a70 BT |
276 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
277 | MT_QUIRK_WIN8_PTP_BUTTONS, | |
504c932c | 278 | .export_all_inputs = true }, |
22408283 BT |
279 | |
280 | /* | |
281 | * vendor specific classes | |
282 | */ | |
283 | { .name = MT_CLS_3M, | |
284 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
e9d0a26d HC |
285 | MT_QUIRK_SLOT_IS_CONTACTID | |
286 | MT_QUIRK_TOUCH_SIZE_SCALING, | |
22408283 BT |
287 | .sn_move = 2048, |
288 | .sn_width = 128, | |
c5d40be5 HR |
289 | .sn_height = 128, |
290 | .maxcontacts = 60, | |
291 | }, | |
4875ac11 RN |
292 | { .name = MT_CLS_EGALAX, |
293 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
2261bb9f | 294 | MT_QUIRK_VALID_IS_INRANGE, |
4875ac11 RN |
295 | .sn_move = 4096, |
296 | .sn_pressure = 32, | |
297 | }, | |
1b723e8d BT |
298 | { .name = MT_CLS_EGALAX_SERIAL, |
299 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
300 | MT_QUIRK_ALWAYS_VALID, | |
4875ac11 RN |
301 | .sn_move = 4096, |
302 | .sn_pressure = 32, | |
303 | }, | |
847672cd BT |
304 | { .name = MT_CLS_TOPSEED, |
305 | .quirks = MT_QUIRK_ALWAYS_VALID, | |
306 | .is_indirect = true, | |
307 | .maxcontacts = 2, | |
308 | }, | |
2258e863 DK |
309 | { .name = MT_CLS_PANASONIC, |
310 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, | |
311 | .maxcontacts = 4 }, | |
f5ff4e1e XY |
312 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
313 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
314 | MT_QUIRK_VALID_IS_INRANGE | | |
7b226292 | 315 | MT_QUIRK_SLOT_IS_CONTACTID, |
f5ff4e1e XY |
316 | .maxcontacts = 2 |
317 | }, | |
318 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
319 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
7b226292 | 320 | MT_QUIRK_SLOT_IS_CONTACTID |
f5ff4e1e | 321 | }, |
043b403a | 322 | |
77723e3b HR |
323 | { .name = MT_CLS_FLATFROG, |
324 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
325 | MT_QUIRK_NO_AREA, | |
326 | .sn_move = 2048, | |
327 | .maxcontacts = 40, | |
328 | }, | |
f3287a99 BT |
329 | { .name = MT_CLS_LG, |
330 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
331 | MT_QUIRK_FIX_CONST_CONTACT_ID | | |
332 | MT_QUIRK_IGNORE_DUPLICATES | | |
333 | MT_QUIRK_HOVERING | | |
334 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
957b8dff JPRV |
335 | { .name = MT_CLS_ASUS, |
336 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
337 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
338 | MT_QUIRK_ASUS_CUSTOM_UP }, | |
da10bc25 MM |
339 | { .name = MT_CLS_VTL, |
340 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
341 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
342 | MT_QUIRK_FORCE_GET_FEATURE, | |
343 | }, | |
0e82232c WNH |
344 | { .name = MT_CLS_GOOGLE, |
345 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
346 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
347 | MT_QUIRK_SLOT_IS_CONTACTID | | |
348 | MT_QUIRK_HOVERING | |
349 | }, | |
843e475f BT |
350 | { .name = MT_CLS_RAZER_BLADE_STEALTH, |
351 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
352 | MT_QUIRK_IGNORE_DUPLICATES | | |
353 | MT_QUIRK_HOVERING | | |
354 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
355 | MT_QUIRK_WIN8_PTP_BUTTONS, | |
356 | }, | |
2d93666e | 357 | { } |
5519cab4 BT |
358 | }; |
359 | ||
eec29e3d BT |
360 | static ssize_t mt_show_quirks(struct device *dev, |
361 | struct device_attribute *attr, | |
362 | char *buf) | |
363 | { | |
ee79a8f8 | 364 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
365 | struct mt_device *td = hid_get_drvdata(hdev); |
366 | ||
367 | return sprintf(buf, "%u\n", td->mtclass.quirks); | |
368 | } | |
369 | ||
370 | static ssize_t mt_set_quirks(struct device *dev, | |
371 | struct device_attribute *attr, | |
372 | const char *buf, size_t count) | |
373 | { | |
ee79a8f8 | 374 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d | 375 | struct mt_device *td = hid_get_drvdata(hdev); |
f146d1c4 | 376 | struct mt_application *application; |
eec29e3d BT |
377 | |
378 | unsigned long val; | |
379 | ||
380 | if (kstrtoul(buf, 0, &val)) | |
381 | return -EINVAL; | |
382 | ||
383 | td->mtclass.quirks = val; | |
384 | ||
f146d1c4 | 385 | list_for_each_entry(application, &td->applications, list) { |
3ceb3826 BT |
386 | application->quirks = val; |
387 | if (!application->have_contact_count) | |
388 | application->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; | |
f146d1c4 BT |
389 | } |
390 | ||
eec29e3d BT |
391 | return count; |
392 | } | |
393 | ||
394 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); | |
395 | ||
396 | static struct attribute *sysfs_attrs[] = { | |
397 | &dev_attr_quirks.attr, | |
398 | NULL | |
399 | }; | |
400 | ||
9182fb98 | 401 | static const struct attribute_group mt_attribute_group = { |
eec29e3d BT |
402 | .attrs = sysfs_attrs |
403 | }; | |
404 | ||
6d4f5440 MW |
405 | static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) |
406 | { | |
3064a03b AM |
407 | int ret; |
408 | u32 size = hid_report_len(report); | |
6d4f5440 MW |
409 | u8 *buf; |
410 | ||
411 | /* | |
b897f6db BT |
412 | * Do not fetch the feature report if the device has been explicitly |
413 | * marked as non-capable. | |
6d4f5440 | 414 | */ |
adaabbf4 | 415 | if (hdev->quirks & HID_QUIRK_NO_INIT_REPORTS) |
6d4f5440 MW |
416 | return; |
417 | ||
418 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
419 | if (!buf) | |
420 | return; | |
421 | ||
422 | ret = hid_hw_raw_request(hdev, report->id, buf, size, | |
423 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
424 | if (ret < 0) { | |
425 | dev_warn(&hdev->dev, "failed to fetch feature %d\n", | |
426 | report->id); | |
427 | } else { | |
428 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, | |
429 | size, 0); | |
430 | if (ret) | |
431 | dev_warn(&hdev->dev, "failed to report feature\n"); | |
432 | } | |
433 | ||
434 | kfree(buf); | |
435 | } | |
436 | ||
f635bd11 | 437 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
438 | struct hid_field *field, struct hid_usage *usage) |
439 | { | |
9498f954 BT |
440 | struct mt_device *td = hid_get_drvdata(hdev); |
441 | ||
442 | switch (usage->hid) { | |
9498f954 | 443 | case HID_DG_CONTACTMAX: |
6d4f5440 MW |
444 | mt_get_feature(hdev, field->report); |
445 | ||
9498f954 | 446 | td->maxcontacts = field->value[0]; |
afbcb04c BT |
447 | if (!td->maxcontacts && |
448 | field->logical_maximum <= MT_MAX_MAXCONTACT) | |
449 | td->maxcontacts = field->logical_maximum; | |
eec29e3d | 450 | if (td->mtclass.maxcontacts) |
9498f954 | 451 | /* check if the maxcontacts is given by the class */ |
eec29e3d | 452 | td->maxcontacts = td->mtclass.maxcontacts; |
9498f954 | 453 | |
2c6e0277 SF |
454 | break; |
455 | case HID_DG_BUTTONTYPE: | |
456 | if (usage->usage_index >= field->report_count) { | |
457 | dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); | |
458 | break; | |
459 | } | |
460 | ||
6d4f5440 | 461 | mt_get_feature(hdev, field->report); |
2c6e0277 SF |
462 | if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) |
463 | td->is_buttonpad = true; | |
464 | ||
9498f954 | 465 | break; |
45c5c682 BT |
466 | case 0xff0000c5: |
467 | /* Retrieve the Win8 blob once to enable some devices */ | |
468 | if (usage->usage_index == 0) | |
469 | mt_get_feature(hdev, field->report); | |
470 | break; | |
5519cab4 BT |
471 | } |
472 | } | |
473 | ||
474 | static void set_abs(struct input_dev *input, unsigned int code, | |
475 | struct hid_field *field, int snratio) | |
476 | { | |
477 | int fmin = field->logical_minimum; | |
478 | int fmax = field->logical_maximum; | |
479 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
480 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
37cf6e6f | 481 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
5519cab4 BT |
482 | } |
483 | ||
01eaac7e BT |
484 | static struct mt_usages *mt_allocate_usage(struct hid_device *hdev, |
485 | struct mt_application *application) | |
486 | { | |
487 | struct mt_usages *usage; | |
488 | ||
489 | usage = devm_kzalloc(&hdev->dev, sizeof(*usage), GFP_KERNEL); | |
490 | if (!usage) | |
491 | return NULL; | |
492 | ||
493 | /* set some defaults so we do not need to check for null pointers */ | |
494 | usage->x = DEFAULT_ZERO; | |
495 | usage->y = DEFAULT_ZERO; | |
496 | usage->cx = DEFAULT_ZERO; | |
497 | usage->cy = DEFAULT_ZERO; | |
498 | usage->p = DEFAULT_ZERO; | |
499 | usage->w = DEFAULT_ZERO; | |
500 | usage->h = DEFAULT_ZERO; | |
501 | usage->a = DEFAULT_ZERO; | |
502 | usage->contactid = DEFAULT_ZERO; | |
503 | usage->tip_state = DEFAULT_FALSE; | |
504 | usage->inrange_state = DEFAULT_FALSE; | |
505 | usage->confidence_state = DEFAULT_TRUE; | |
506 | ||
507 | list_add_tail(&usage->list, &application->mt_usages); | |
508 | ||
509 | return usage; | |
510 | } | |
511 | ||
f146d1c4 BT |
512 | static struct mt_application *mt_allocate_application(struct mt_device *td, |
513 | unsigned int application) | |
514 | { | |
515 | struct mt_application *mt_application; | |
516 | ||
517 | mt_application = devm_kzalloc(&td->hdev->dev, sizeof(*mt_application), | |
518 | GFP_KERNEL); | |
519 | if (!mt_application) | |
520 | return NULL; | |
521 | ||
522 | mt_application->application = application; | |
01eaac7e | 523 | INIT_LIST_HEAD(&mt_application->mt_usages); |
f146d1c4 BT |
524 | |
525 | if (application == HID_DG_TOUCHSCREEN) | |
526 | mt_application->mt_flags |= INPUT_MT_DIRECT; | |
527 | ||
528 | /* | |
529 | * Model touchscreens providing buttons as touchpads. | |
530 | */ | |
531 | if (application == HID_DG_TOUCHPAD) { | |
532 | mt_application->mt_flags |= INPUT_MT_POINTER; | |
533 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; | |
534 | } | |
535 | ||
01eaac7e BT |
536 | mt_application->scantime = DEFAULT_ZERO; |
537 | mt_application->raw_cc = DEFAULT_ZERO; | |
3ceb3826 | 538 | mt_application->quirks = td->mtclass.quirks; |
f146d1c4 BT |
539 | |
540 | list_add_tail(&mt_application->list, &td->applications); | |
541 | ||
542 | return mt_application; | |
543 | } | |
544 | ||
545 | static struct mt_application *mt_find_application(struct mt_device *td, | |
546 | unsigned int application) | |
547 | { | |
548 | struct mt_application *tmp, *mt_application = NULL; | |
549 | ||
550 | list_for_each_entry(tmp, &td->applications, list) { | |
551 | if (application == tmp->application) { | |
552 | mt_application = tmp; | |
553 | break; | |
554 | } | |
555 | } | |
556 | ||
557 | if (!mt_application) | |
558 | mt_application = mt_allocate_application(td, application); | |
559 | ||
560 | return mt_application; | |
561 | } | |
562 | ||
8dfe14b3 BT |
563 | static struct mt_report_data *mt_allocate_report_data(struct mt_device *td, |
564 | struct hid_report *report) | |
565 | { | |
566 | struct mt_report_data *rdata; | |
567 | struct hid_field *field; | |
568 | int r, n; | |
569 | ||
570 | rdata = devm_kzalloc(&td->hdev->dev, sizeof(*rdata), GFP_KERNEL); | |
571 | if (!rdata) | |
572 | return NULL; | |
573 | ||
574 | rdata->report = report; | |
575 | rdata->application = mt_find_application(td, report->application); | |
576 | ||
577 | if (!rdata->application) { | |
578 | devm_kfree(&td->hdev->dev, rdata); | |
579 | return NULL; | |
580 | } | |
581 | ||
582 | for (r = 0; r < report->maxfield; r++) { | |
583 | field = report->field[r]; | |
584 | ||
585 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
586 | continue; | |
587 | ||
588 | for (n = 0; n < field->report_count; n++) { | |
589 | if (field->usage[n].hid == HID_DG_CONTACTID) | |
590 | rdata->is_mt_collection = true; | |
591 | } | |
592 | } | |
593 | ||
594 | list_add_tail(&rdata->list, &td->reports); | |
595 | ||
596 | return rdata; | |
597 | } | |
598 | ||
599 | static struct mt_report_data *mt_find_report_data(struct mt_device *td, | |
600 | struct hid_report *report) | |
601 | { | |
602 | struct mt_report_data *tmp, *rdata = NULL; | |
603 | ||
604 | list_for_each_entry(tmp, &td->reports, list) { | |
605 | if (report == tmp->report) { | |
606 | rdata = tmp; | |
607 | break; | |
608 | } | |
609 | } | |
610 | ||
611 | if (!rdata) | |
612 | rdata = mt_allocate_report_data(td, report); | |
613 | ||
614 | return rdata; | |
615 | } | |
616 | ||
01eaac7e BT |
617 | static void mt_store_field(struct hid_device *hdev, |
618 | struct mt_application *application, | |
619 | __s32 *value, | |
620 | size_t offset) | |
ed9d5c96 | 621 | { |
01eaac7e BT |
622 | struct mt_usages *usage; |
623 | __s32 **target; | |
624 | ||
625 | if (list_empty(&application->mt_usages)) | |
626 | usage = mt_allocate_usage(hdev, application); | |
627 | else | |
628 | usage = list_last_entry(&application->mt_usages, | |
629 | struct mt_usages, | |
630 | list); | |
3ac36d15 | 631 | |
01eaac7e | 632 | if (!usage) |
3ac36d15 BT |
633 | return; |
634 | ||
01eaac7e BT |
635 | target = (__s32 **)((char *)usage + offset); |
636 | ||
637 | /* the value has already been filled, create a new slot */ | |
638 | if (*target != DEFAULT_TRUE && | |
639 | *target != DEFAULT_FALSE && | |
640 | *target != DEFAULT_ZERO) { | |
641 | usage = mt_allocate_usage(hdev, application); | |
642 | if (!usage) | |
643 | return; | |
644 | ||
645 | target = (__s32 **)((char *)usage + offset); | |
646 | } | |
647 | ||
648 | *target = value; | |
ed9d5c96 BT |
649 | } |
650 | ||
01eaac7e BT |
651 | #define MT_STORE_FIELD(__name) \ |
652 | mt_store_field(hdev, app, \ | |
653 | &field->value[usage->usage_index], \ | |
654 | offsetof(struct mt_usages, __name)) | |
655 | ||
a69c5f8b | 656 | static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 | 657 | struct hid_field *field, struct hid_usage *usage, |
f146d1c4 | 658 | unsigned long **bit, int *max, struct mt_application *app) |
5519cab4 BT |
659 | { |
660 | struct mt_device *td = hid_get_drvdata(hdev); | |
eec29e3d | 661 | struct mt_class *cls = &td->mtclass; |
c2ef8f21 | 662 | int code; |
349fd670 | 663 | struct hid_usage *prev_usage = NULL; |
4875ac11 | 664 | |
76f5902a HR |
665 | /* |
666 | * Model touchscreens providing buttons as touchpads. | |
c2ef8f21 | 667 | */ |
f146d1c4 BT |
668 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
669 | app->mt_flags |= INPUT_MT_POINTER; | |
9abebedb AD |
670 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
671 | } | |
c2ef8f21 | 672 | |
015fdaa9 BT |
673 | /* count the buttons on touchpads */ |
674 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
f146d1c4 | 675 | app->buttons_count++; |
015fdaa9 | 676 | |
349fd670 BT |
677 | if (usage->usage_index) |
678 | prev_usage = &field->usage[usage->usage_index - 1]; | |
679 | ||
5519cab4 BT |
680 | switch (usage->hid & HID_USAGE_PAGE) { |
681 | ||
682 | case HID_UP_GENDESK: | |
683 | switch (usage->hid) { | |
684 | case HID_GD_X: | |
01eaac7e | 685 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
f146d1c4 | 686 | code = ABS_MT_TOOL_X; |
01eaac7e BT |
687 | MT_STORE_FIELD(cx); |
688 | } else { | |
f146d1c4 | 689 | code = ABS_MT_POSITION_X; |
01eaac7e BT |
690 | MT_STORE_FIELD(x); |
691 | } | |
349fd670 | 692 | |
f146d1c4 | 693 | set_abs(hi->input, code, field, cls->sn_move); |
01eaac7e | 694 | |
5519cab4 BT |
695 | return 1; |
696 | case HID_GD_Y: | |
01eaac7e | 697 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
f146d1c4 | 698 | code = ABS_MT_TOOL_Y; |
01eaac7e BT |
699 | MT_STORE_FIELD(cy); |
700 | } else { | |
f146d1c4 | 701 | code = ABS_MT_POSITION_Y; |
01eaac7e BT |
702 | MT_STORE_FIELD(y); |
703 | } | |
349fd670 | 704 | |
f146d1c4 | 705 | set_abs(hi->input, code, field, cls->sn_move); |
01eaac7e | 706 | |
5519cab4 BT |
707 | return 1; |
708 | } | |
709 | return 0; | |
710 | ||
711 | case HID_UP_DIGITIZER: | |
712 | switch (usage->hid) { | |
713 | case HID_DG_INRANGE: | |
3ceb3826 | 714 | if (app->quirks & MT_QUIRK_HOVERING) { |
9b3bb9b8 BT |
715 | input_set_abs_params(hi->input, |
716 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
717 | } | |
01eaac7e | 718 | MT_STORE_FIELD(inrange_state); |
5519cab4 BT |
719 | return 1; |
720 | case HID_DG_CONFIDENCE: | |
504c932c MO |
721 | if ((cls->name == MT_CLS_WIN_8 || |
722 | cls->name == MT_CLS_WIN_8_DUAL) && | |
6dd2e27a | 723 | field->application == HID_DG_TOUCHPAD) |
3ceb3826 | 724 | app->quirks |= MT_QUIRK_CONFIDENCE; |
01eaac7e | 725 | MT_STORE_FIELD(confidence_state); |
5519cab4 BT |
726 | return 1; |
727 | case HID_DG_TIPSWITCH: | |
5519cab4 | 728 | input_set_capability(hi->input, EV_KEY, BTN_TOUCH); |
01eaac7e | 729 | MT_STORE_FIELD(tip_state); |
5519cab4 BT |
730 | return 1; |
731 | case HID_DG_CONTACTID: | |
01eaac7e | 732 | MT_STORE_FIELD(contactid); |
f146d1c4 | 733 | app->touches_by_report++; |
5519cab4 BT |
734 | return 1; |
735 | case HID_DG_WIDTH: | |
3ceb3826 | 736 | if (!(app->quirks & MT_QUIRK_NO_AREA)) |
77723e3b HR |
737 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, |
738 | cls->sn_width); | |
01eaac7e | 739 | MT_STORE_FIELD(w); |
5519cab4 BT |
740 | return 1; |
741 | case HID_DG_HEIGHT: | |
3ceb3826 | 742 | if (!(app->quirks & MT_QUIRK_NO_AREA)) { |
77723e3b HR |
743 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, |
744 | cls->sn_height); | |
00720277 WNH |
745 | |
746 | /* | |
747 | * Only set ABS_MT_ORIENTATION if it is not | |
748 | * already set by the HID_DG_AZIMUTH usage. | |
749 | */ | |
750 | if (!test_bit(ABS_MT_ORIENTATION, | |
751 | hi->input->absbit)) | |
752 | input_set_abs_params(hi->input, | |
753 | ABS_MT_ORIENTATION, 0, 1, 0, 0); | |
77723e3b | 754 | } |
01eaac7e | 755 | MT_STORE_FIELD(h); |
5519cab4 BT |
756 | return 1; |
757 | case HID_DG_TIPPRESSURE: | |
5519cab4 BT |
758 | set_abs(hi->input, ABS_MT_PRESSURE, field, |
759 | cls->sn_pressure); | |
01eaac7e | 760 | MT_STORE_FIELD(p); |
5519cab4 | 761 | return 1; |
29cc309d | 762 | case HID_DG_SCANTIME: |
29cc309d | 763 | input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); |
01eaac7e BT |
764 | app->scantime = &field->value[usage->usage_index]; |
765 | app->scantime_logical_max = field->logical_maximum; | |
29cc309d | 766 | return 1; |
5519cab4 | 767 | case HID_DG_CONTACTCOUNT: |
01eaac7e BT |
768 | app->have_contact_count = true; |
769 | app->raw_cc = &field->value[usage->usage_index]; | |
5519cab4 | 770 | return 1; |
00720277 | 771 | case HID_DG_AZIMUTH: |
00720277 WNH |
772 | /* |
773 | * Azimuth has the range of [0, MAX) representing a full | |
774 | * revolution. Set ABS_MT_ORIENTATION to a quarter of | |
775 | * MAX according the definition of ABS_MT_ORIENTATION | |
776 | */ | |
777 | input_set_abs_params(hi->input, ABS_MT_ORIENTATION, | |
778 | -field->logical_maximum / 4, | |
779 | field->logical_maximum / 4, | |
780 | cls->sn_move ? | |
781 | field->logical_maximum / cls->sn_move : 0, 0); | |
01eaac7e | 782 | MT_STORE_FIELD(a); |
00720277 | 783 | return 1; |
5519cab4 | 784 | case HID_DG_CONTACTMAX: |
01eaac7e | 785 | /* contact max are global to the report */ |
5519cab4 | 786 | return -1; |
c2ef8f21 BT |
787 | case HID_DG_TOUCH: |
788 | /* Legacy devices use TIPSWITCH and not TOUCH. | |
789 | * Let's just ignore this field. */ | |
790 | return -1; | |
65b258e9 | 791 | } |
5519cab4 BT |
792 | /* let hid-input decide for the others */ |
793 | return 0; | |
794 | ||
c2ef8f21 BT |
795 | case HID_UP_BUTTON: |
796 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); | |
594312b8 BT |
797 | /* |
798 | * MS PTP spec says that external buttons left and right have | |
799 | * usages 2 and 3. | |
800 | */ | |
3ceb3826 | 801 | if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
594312b8 BT |
802 | field->application == HID_DG_TOUCHPAD && |
803 | (usage->hid & HID_USAGE) > 1) | |
804 | code--; | |
c2ef8f21 BT |
805 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
806 | input_set_capability(hi->input, EV_KEY, code); | |
807 | return 1; | |
808 | ||
5519cab4 BT |
809 | case 0xff000000: |
810 | /* we do not want to map these: no input-oriented meaning */ | |
811 | return -1; | |
812 | } | |
813 | ||
814 | return 0; | |
815 | } | |
816 | ||
f146d1c4 | 817 | static int mt_compute_slot(struct mt_device *td, struct mt_application *app, |
01eaac7e | 818 | struct mt_usages *slot, |
f146d1c4 | 819 | struct input_dev *input) |
5519cab4 | 820 | { |
3ceb3826 | 821 | __s32 quirks = app->quirks; |
5519cab4 | 822 | |
2d93666e | 823 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
01eaac7e | 824 | return *slot->contactid; |
5519cab4 | 825 | |
2d93666e | 826 | if (quirks & MT_QUIRK_CYPRESS) |
01eaac7e | 827 | return cypress_compute_slot(app, slot); |
a3b5e577 | 828 | |
2d93666e | 829 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
f146d1c4 | 830 | return app->num_received; |
5572da08 | 831 | |
4a6ee685 | 832 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
01eaac7e | 833 | return *slot->contactid - 1; |
4a6ee685 | 834 | |
01eaac7e | 835 | return input_mt_get_slot_by_key(input, *slot->contactid); |
3e1b5015 HR |
836 | } |
837 | ||
838 | /* | |
839 | * this function is called when a whole packet has been received and processed, | |
840 | * so that it can decide what to send to the input layer. | |
841 | */ | |
f146d1c4 BT |
842 | static void mt_sync_frame(struct mt_device *td, struct mt_application *app, |
843 | struct input_dev *input) | |
3e1b5015 | 844 | { |
3ceb3826 | 845 | if (app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) |
f146d1c4 | 846 | input_event(input, EV_KEY, BTN_LEFT, app->left_button_state); |
127e71bd | 847 | |
76f5902a | 848 | input_mt_sync_frame(input); |
f146d1c4 | 849 | input_event(input, EV_MSC, MSC_TIMESTAMP, app->timestamp); |
5519cab4 | 850 | input_sync(input); |
f146d1c4 BT |
851 | app->num_received = 0; |
852 | app->left_button_state = 0; | |
853 | ||
96098274 BT |
854 | if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) |
855 | set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
856 | else | |
857 | clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
858 | clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
5519cab4 BT |
859 | } |
860 | ||
01eaac7e | 861 | static int mt_compute_timestamp(struct mt_application *app, __s32 value) |
29cc309d | 862 | { |
f146d1c4 BT |
863 | long delta = value - app->prev_scantime; |
864 | unsigned long jdelta = jiffies_to_usecs(jiffies - app->jiffies); | |
29cc309d | 865 | |
f146d1c4 | 866 | app->jiffies = jiffies; |
29cc309d NB |
867 | |
868 | if (delta < 0) | |
01eaac7e | 869 | delta += app->scantime_logical_max; |
29cc309d NB |
870 | |
871 | /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ | |
872 | delta *= 100; | |
873 | ||
874 | if (jdelta > MAX_TIMESTAMP_INTERVAL) | |
875 | /* No data received for a while, resync the timestamp. */ | |
876 | return 0; | |
877 | else | |
f146d1c4 | 878 | return app->timestamp + delta; |
29cc309d NB |
879 | } |
880 | ||
a69c5f8b | 881 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 882 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
883 | { |
884 | /* we will handle the hidinput part later, now remains hiddev */ | |
885 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
886 | hid->hiddev_hid_event(hid, field, usage, value); | |
887 | ||
888 | return 1; | |
889 | } | |
890 | ||
01eaac7e BT |
891 | static int mt_process_slot(struct mt_device *td, struct input_dev *input, |
892 | struct mt_application *app, | |
893 | struct mt_usages *slot) | |
5519cab4 | 894 | { |
01eaac7e | 895 | struct input_mt *mt = input->mt; |
3ceb3826 | 896 | __s32 quirks = app->quirks; |
01eaac7e BT |
897 | bool valid = true; |
898 | bool confidence_state = true; | |
899 | bool inrange_state = false; | |
900 | int active; | |
901 | int slotnum; | |
5519cab4 | 902 | |
01eaac7e BT |
903 | if (!slot) |
904 | return -EINVAL; | |
905 | ||
906 | if ((quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && | |
907 | app->num_received >= app->num_expected) | |
908 | return -EAGAIN; | |
909 | ||
910 | if (!(quirks & MT_QUIRK_ALWAYS_VALID)) { | |
911 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) | |
912 | valid = *slot->inrange_state; | |
913 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
914 | valid = *slot->tip_state; | |
915 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) | |
916 | valid = *slot->confidence_state; | |
917 | ||
918 | if (!valid) | |
919 | return 0; | |
920 | } | |
921 | ||
922 | slotnum = mt_compute_slot(td, app, slot, input); | |
923 | if (slotnum < 0 || slotnum >= td->maxcontacts) | |
924 | return 0; | |
925 | ||
926 | if ((quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { | |
927 | struct input_mt_slot *i_slot = &mt->slots[slotnum]; | |
928 | ||
929 | if (input_mt_is_active(i_slot) && | |
930 | input_mt_is_used(mt, i_slot)) | |
931 | return -EAGAIN; | |
932 | } | |
933 | ||
934 | if (quirks & MT_QUIRK_CONFIDENCE) | |
935 | confidence_state = *slot->confidence_state; | |
936 | ||
937 | if (quirks & MT_QUIRK_HOVERING) | |
938 | inrange_state = *slot->inrange_state; | |
939 | ||
940 | active = (*slot->tip_state || inrange_state) && confidence_state; | |
941 | ||
942 | input_mt_slot(input, slotnum); | |
943 | input_mt_report_slot_state(input, MT_TOOL_FINGER, active); | |
944 | if (active) { | |
945 | /* this finger is in proximity of the sensor */ | |
946 | int wide = (*slot->w > *slot->h); | |
947 | int major = max(*slot->w, *slot->h); | |
948 | int minor = min(*slot->w, *slot->h); | |
949 | int orientation = wide; | |
950 | int max_azimuth; | |
951 | int azimuth; | |
952 | ||
953 | if (slot->a != DEFAULT_ZERO) { | |
00720277 WNH |
954 | /* |
955 | * Azimuth is counter-clockwise and ranges from [0, MAX) | |
956 | * (a full revolution). Convert it to clockwise ranging | |
957 | * [-MAX/2, MAX/2]. | |
958 | * | |
959 | * Note that ABS_MT_ORIENTATION require us to report | |
960 | * the limit of [-MAX/4, MAX/4], but the value can go | |
961 | * out of range to [-MAX/2, MAX/2] to report an upside | |
962 | * down ellipsis. | |
963 | */ | |
01eaac7e BT |
964 | azimuth = *slot->a; |
965 | max_azimuth = input_abs_get_max(input, | |
966 | ABS_MT_ORIENTATION); | |
967 | if (azimuth > max_azimuth * 2) | |
968 | azimuth -= max_azimuth * 4; | |
969 | orientation = -azimuth; | |
970 | } | |
5519cab4 | 971 | |
01eaac7e BT |
972 | /* |
973 | * divided by two to match visual scale of touch | |
974 | * for devices with this quirk | |
975 | */ | |
976 | if (quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { | |
977 | major = major >> 1; | |
978 | minor = minor >> 1; | |
979 | } | |
55746d28 | 980 | |
01eaac7e BT |
981 | input_event(input, EV_ABS, ABS_MT_POSITION_X, *slot->x); |
982 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, *slot->y); | |
983 | input_event(input, EV_ABS, ABS_MT_TOOL_X, *slot->cx); | |
984 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, *slot->cy); | |
985 | input_event(input, EV_ABS, ABS_MT_DISTANCE, !*slot->tip_state); | |
986 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, orientation); | |
987 | input_event(input, EV_ABS, ABS_MT_PRESSURE, *slot->p); | |
988 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); | |
989 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
990 | ||
991 | set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
992 | } | |
127e71bd | 993 | |
01eaac7e BT |
994 | return 0; |
995 | } | |
996 | ||
997 | static void mt_process_mt_event(struct hid_device *hid, | |
998 | struct mt_application *app, | |
999 | struct hid_field *field, | |
1000 | struct hid_usage *usage, | |
1001 | __s32 value, | |
1002 | bool first_packet) | |
1003 | { | |
1004 | __s32 quirks = app->quirks; | |
1005 | struct input_dev *input = field->hidinput->input; | |
1006 | ||
1007 | if (!usage->type || !(hid->claimed & HID_CLAIMED_INPUT)) | |
1008 | return; | |
1009 | ||
1010 | if (quirks & MT_QUIRK_WIN8_PTP_BUTTONS) { | |
1011 | ||
1012 | /* | |
1013 | * For Win8 PTP touchpads we should only look at | |
1014 | * non finger/touch events in the first_packet of a | |
1015 | * (possible) multi-packet frame. | |
1016 | */ | |
1017 | if (!first_packet) | |
55978fa9 | 1018 | return; |
5519cab4 | 1019 | |
01eaac7e BT |
1020 | /* |
1021 | * For Win8 PTP touchpads we map both the clickpad click | |
1022 | * and any "external" left buttons to BTN_LEFT if a | |
1023 | * device claims to have both we need to report 1 for | |
1024 | * BTN_LEFT if either is pressed, so we or all values | |
1025 | * together and report the result in mt_sync_frame(). | |
1026 | */ | |
1027 | if (usage->type == EV_KEY && usage->code == BTN_LEFT) { | |
1028 | app->left_button_state |= value; | |
1029 | return; | |
54f4c0c3 | 1030 | } |
2d93666e | 1031 | } |
01eaac7e BT |
1032 | |
1033 | input_event(input, usage->type, usage->code, value); | |
55978fa9 | 1034 | } |
5519cab4 | 1035 | |
8dfe14b3 BT |
1036 | static void mt_touch_report(struct hid_device *hid, |
1037 | struct mt_report_data *rdata) | |
55978fa9 BT |
1038 | { |
1039 | struct mt_device *td = hid_get_drvdata(hid); | |
8dfe14b3 BT |
1040 | struct hid_report *report = rdata->report; |
1041 | struct mt_application *app = rdata->application; | |
55978fa9 | 1042 | struct hid_field *field; |
01eaac7e BT |
1043 | struct input_dev *input; |
1044 | struct mt_usages *slot; | |
55746d28 | 1045 | bool first_packet; |
55978fa9 | 1046 | unsigned count; |
f146d1c4 BT |
1047 | int r, n; |
1048 | int scantime = 0; | |
1049 | int contact_count = -1; | |
5519cab4 | 1050 | |
4f4001bc BT |
1051 | /* sticky fingers release in progress, abort */ |
1052 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
1053 | return; | |
1054 | ||
01eaac7e BT |
1055 | scantime = *app->scantime; |
1056 | app->timestamp = mt_compute_timestamp(app, scantime); | |
1057 | if (app->raw_cc != DEFAULT_ZERO) | |
1058 | contact_count = *app->raw_cc; | |
1059 | ||
c2517f62 BT |
1060 | /* |
1061 | * Includes multi-packet support where subsequent | |
1062 | * packets are sent with zero contactcount. | |
1063 | */ | |
01eaac7e | 1064 | if (contact_count >= 0) { |
af8dc4d0 HG |
1065 | /* |
1066 | * For Win8 PTPs the first packet (td->num_received == 0) may | |
1067 | * have a contactcount of 0 if there only is a button event. | |
1068 | * We double check that this is not a continuation packet | |
1069 | * of a possible multi-packet frame be checking that the | |
1070 | * timestamp has changed. | |
1071 | */ | |
3ceb3826 | 1072 | if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
f146d1c4 BT |
1073 | app->num_received == 0 && |
1074 | app->prev_scantime != scantime) | |
1075 | app->num_expected = contact_count; | |
af8dc4d0 | 1076 | /* A non 0 contact count always indicates a first packet */ |
f146d1c4 BT |
1077 | else if (contact_count) |
1078 | app->num_expected = contact_count; | |
7e3cc447 | 1079 | } |
f146d1c4 | 1080 | app->prev_scantime = scantime; |
c2517f62 | 1081 | |
f146d1c4 | 1082 | first_packet = app->num_received == 0; |
01eaac7e BT |
1083 | |
1084 | input = report->field[0]->hidinput->input; | |
1085 | ||
1086 | list_for_each_entry(slot, &app->mt_usages, list) { | |
1087 | if (!mt_process_slot(td, input, app, slot)) | |
1088 | app->num_received++; | |
1089 | } | |
1090 | ||
55978fa9 BT |
1091 | for (r = 0; r < report->maxfield; r++) { |
1092 | field = report->field[r]; | |
1093 | count = field->report_count; | |
1094 | ||
1095 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
1096 | continue; | |
1097 | ||
1098 | for (n = 0; n < count; n++) | |
01eaac7e BT |
1099 | mt_process_mt_event(hid, app, field, |
1100 | &field->usage[n], field->value[n], | |
1101 | first_packet); | |
55978fa9 | 1102 | } |
5b62efd8 | 1103 | |
f146d1c4 | 1104 | if (app->num_received >= app->num_expected) |
01eaac7e | 1105 | mt_sync_frame(td, app, input); |
4f4001bc BT |
1106 | |
1107 | /* | |
1108 | * Windows 8 specs says 2 things: | |
1109 | * - once a contact has been reported, it has to be reported in each | |
1110 | * subsequent report | |
1111 | * - the report rate when fingers are present has to be at least | |
1112 | * the refresh rate of the screen, 60 or 120 Hz | |
1113 | * | |
1114 | * I interprete this that the specification forces a report rate of | |
1115 | * at least 60 Hz for a touchscreen to be certified. | |
1116 | * Which means that if we do not get a report whithin 16 ms, either | |
1117 | * something wrong happens, either the touchscreen forgets to send | |
1118 | * a release. Taking a reasonable margin allows to remove issues | |
1119 | * with USB communication or the load of the machine. | |
1120 | * | |
1121 | * Given that Win 8 devices are forced to send a release, this will | |
1122 | * only affect laggish machines and the ones that have a firmware | |
1123 | * defect. | |
1124 | */ | |
3ceb3826 | 1125 | if (app->quirks & MT_QUIRK_STICKY_FINGERS) { |
96098274 BT |
1126 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1127 | mod_timer(&td->release_timer, | |
1128 | jiffies + msecs_to_jiffies(100)); | |
1129 | else | |
1130 | del_timer(&td->release_timer); | |
1131 | } | |
4f4001bc BT |
1132 | |
1133 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); | |
5519cab4 BT |
1134 | } |
1135 | ||
b2c68a2f | 1136 | static int mt_touch_input_configured(struct hid_device *hdev, |
f146d1c4 BT |
1137 | struct hid_input *hi, |
1138 | struct mt_application *app) | |
a69c5f8b BT |
1139 | { |
1140 | struct mt_device *td = hid_get_drvdata(hdev); | |
1141 | struct mt_class *cls = &td->mtclass; | |
1142 | struct input_dev *input = hi->input; | |
b2c68a2f | 1143 | int ret; |
a69c5f8b BT |
1144 | |
1145 | if (!td->maxcontacts) | |
1146 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
1147 | ||
f146d1c4 | 1148 | mt_post_parse(td, app); |
a69c5f8b | 1149 | if (td->serial_maybe) |
f146d1c4 | 1150 | mt_post_parse_default_settings(td, app); |
a69c5f8b BT |
1151 | |
1152 | if (cls->is_indirect) | |
f146d1c4 | 1153 | app->mt_flags |= INPUT_MT_POINTER; |
a69c5f8b | 1154 | |
3ceb3826 | 1155 | if (app->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
f146d1c4 | 1156 | app->mt_flags |= INPUT_MT_DROP_UNUSED; |
a69c5f8b | 1157 | |
015fdaa9 | 1158 | /* check for clickpads */ |
f146d1c4 BT |
1159 | if ((app->mt_flags & INPUT_MT_POINTER) && |
1160 | (app->buttons_count == 1)) | |
2c6e0277 SF |
1161 | td->is_buttonpad = true; |
1162 | ||
1163 | if (td->is_buttonpad) | |
015fdaa9 BT |
1164 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
1165 | ||
f146d1c4 | 1166 | ret = input_mt_init_slots(input, td->maxcontacts, app->mt_flags); |
b2c68a2f DT |
1167 | if (ret) |
1168 | return ret; | |
a69c5f8b | 1169 | |
f146d1c4 | 1170 | app->mt_flags = 0; |
b2c68a2f | 1171 | return 0; |
a69c5f8b BT |
1172 | } |
1173 | ||
957b8dff JPRV |
1174 | #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
1175 | max, EV_KEY, (c)) | |
a69c5f8b BT |
1176 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
1177 | struct hid_field *field, struct hid_usage *usage, | |
1178 | unsigned long **bit, int *max) | |
1179 | { | |
6aef704e | 1180 | struct mt_device *td = hid_get_drvdata(hdev); |
f146d1c4 | 1181 | struct mt_application *application; |
8dfe14b3 BT |
1182 | struct mt_report_data *rdata; |
1183 | ||
1184 | rdata = mt_find_report_data(td, field->report); | |
1185 | if (!rdata) { | |
1186 | hid_err(hdev, "failed to allocate data for report\n"); | |
1187 | return 0; | |
1188 | } | |
6aef704e | 1189 | |
8dfe14b3 | 1190 | application = rdata->application; |
3ceb3826 | 1191 | |
6aef704e BT |
1192 | /* |
1193 | * If mtclass.export_all_inputs is not set, only map fields from | |
1194 | * TouchScreen or TouchPad collections. We need to ignore fields | |
1195 | * that belong to other collections such as Mouse that might have | |
1196 | * the same GenericDesktop usages. | |
1197 | */ | |
1198 | if (!td->mtclass.export_all_inputs && | |
1199 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 1200 | field->application != HID_DG_PEN && |
8fe89ef0 BT |
1201 | field->application != HID_DG_TOUCHPAD && |
1202 | field->application != HID_GD_KEYBOARD && | |
e57f4e67 | 1203 | field->application != HID_GD_SYSTEM_CONTROL && |
1fbf74ef | 1204 | field->application != HID_CP_CONSUMER_CONTROL && |
957b8dff JPRV |
1205 | field->application != HID_GD_WIRELESS_RADIO_CTLS && |
1206 | !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && | |
3ceb3826 | 1207 | application->quirks & MT_QUIRK_ASUS_CUSTOM_UP)) |
6f492f28 | 1208 | return -1; |
a69c5f8b | 1209 | |
957b8dff JPRV |
1210 | /* |
1211 | * Some Asus keyboard+touchpad devices have the hotkeys defined in the | |
1212 | * touchpad report descriptor. We need to treat these as an array to | |
1213 | * map usages to input keys. | |
1214 | */ | |
39bbf402 | 1215 | if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && |
3ceb3826 | 1216 | application->quirks & MT_QUIRK_ASUS_CUSTOM_UP && |
957b8dff JPRV |
1217 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { |
1218 | set_bit(EV_REP, hi->input->evbit); | |
1219 | if (field->flags & HID_MAIN_ITEM_VARIABLE) | |
1220 | field->flags &= ~HID_MAIN_ITEM_VARIABLE; | |
1221 | switch (usage->hid & HID_USAGE) { | |
1222 | case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
1223 | case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; | |
1224 | case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; | |
1225 | case 0x6b: mt_map_key_clear(KEY_F21); break; | |
1226 | case 0x6c: mt_map_key_clear(KEY_SLEEP); break; | |
1227 | default: | |
1228 | return -1; | |
1229 | } | |
1230 | return 1; | |
1231 | } | |
1232 | ||
8dfe14b3 BT |
1233 | if (rdata->is_mt_collection && |
1234 | (field->application == HID_DG_TOUCHSCREEN || | |
1235 | field->application == HID_DG_TOUCHPAD)) | |
f146d1c4 BT |
1236 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max, |
1237 | application); | |
6aef704e BT |
1238 | |
1239 | /* let hid-core decide for the others */ | |
1240 | return 0; | |
a69c5f8b BT |
1241 | } |
1242 | ||
1243 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
1244 | struct hid_field *field, struct hid_usage *usage, | |
1245 | unsigned long **bit, int *max) | |
1246 | { | |
6aef704e BT |
1247 | /* |
1248 | * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" | |
1249 | * for the stylus. | |
1250 | */ | |
fa11aa72 | 1251 | if (field->physical == HID_DG_STYLUS) |
e55f6200 | 1252 | return 0; |
fa11aa72 | 1253 | |
6aef704e | 1254 | if (field->application == HID_DG_TOUCHSCREEN || |
4cf56a89 DT |
1255 | field->application == HID_DG_TOUCHPAD) { |
1256 | /* We own these mappings, tell hid-input to ignore them */ | |
1257 | return -1; | |
1258 | } | |
6aef704e BT |
1259 | |
1260 | /* let hid-core decide for the others */ | |
1261 | return 0; | |
a69c5f8b BT |
1262 | } |
1263 | ||
1264 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
1265 | struct hid_usage *usage, __s32 value) | |
1266 | { | |
1267 | struct mt_device *td = hid_get_drvdata(hid); | |
8dfe14b3 | 1268 | struct mt_report_data *rdata; |
a69c5f8b | 1269 | |
8dfe14b3 BT |
1270 | rdata = mt_find_report_data(td, field->report); |
1271 | if (rdata && rdata->is_mt_collection) | |
a69c5f8b BT |
1272 | return mt_touch_event(hid, field, usage, value); |
1273 | ||
e55f6200 | 1274 | return 0; |
a69c5f8b BT |
1275 | } |
1276 | ||
1277 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
1278 | { | |
1279 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 1280 | struct hid_field *field = report->field[0]; |
8dfe14b3 | 1281 | struct mt_report_data *rdata; |
a69c5f8b BT |
1282 | |
1283 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
1284 | return; | |
1285 | ||
8dfe14b3 BT |
1286 | rdata = mt_find_report_data(td, report); |
1287 | if (rdata && rdata->is_mt_collection) | |
1288 | return mt_touch_report(hid, rdata); | |
fa11aa72 | 1289 | |
e55f6200 BT |
1290 | if (field && field->hidinput && field->hidinput->input) |
1291 | input_sync(field->hidinput->input); | |
5519cab4 BT |
1292 | } |
1293 | ||
7f81c8db BT |
1294 | static bool mt_need_to_apply_feature(struct hid_device *hdev, |
1295 | struct hid_field *field, | |
02946f4b BT |
1296 | struct hid_usage *usage, |
1297 | enum latency_mode latency, | |
1298 | bool surface_switch, | |
1299 | bool button_switch) | |
5519cab4 BT |
1300 | { |
1301 | struct mt_device *td = hid_get_drvdata(hdev); | |
da10bc25 | 1302 | struct mt_class *cls = &td->mtclass; |
7f81c8db BT |
1303 | struct hid_report *report = field->report; |
1304 | unsigned int index = usage->usage_index; | |
da10bc25 | 1305 | char *buf; |
3064a03b | 1306 | u32 report_len; |
7f81c8db | 1307 | int max; |
5519cab4 | 1308 | |
7f81c8db BT |
1309 | switch (usage->hid) { |
1310 | case HID_DG_INPUTMODE: | |
da10bc25 | 1311 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
7f81c8db BT |
1312 | report_len = hid_report_len(report); |
1313 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
da10bc25 | 1314 | if (!buf) { |
7f81c8db BT |
1315 | hid_err(hdev, |
1316 | "failed to allocate buffer for report\n"); | |
1317 | return false; | |
da10bc25 | 1318 | } |
7f81c8db | 1319 | hid_hw_raw_request(hdev, report->id, buf, report_len, |
da10bc25 MM |
1320 | HID_FEATURE_REPORT, |
1321 | HID_REQ_GET_REPORT); | |
1322 | kfree(buf); | |
1323 | } | |
5519cab4 | 1324 | |
7f81c8db BT |
1325 | field->value[index] = td->inputmode_value; |
1326 | return true; | |
31ae9bdd | 1327 | |
7f81c8db | 1328 | case HID_DG_CONTACTMAX: |
3ceb3826 | 1329 | if (cls->maxcontacts) { |
7f81c8db | 1330 | max = min_t(int, field->logical_maximum, |
3ceb3826 | 1331 | cls->maxcontacts); |
7f81c8db BT |
1332 | if (field->value[index] != max) { |
1333 | field->value[index] = max; | |
1334 | return true; | |
1335 | } | |
1336 | } | |
1337 | break; | |
02946f4b BT |
1338 | |
1339 | case HID_DG_LATENCYMODE: | |
1340 | field->value[index] = latency; | |
99c703ac | 1341 | return true; |
02946f4b BT |
1342 | |
1343 | case HID_DG_SURFACESWITCH: | |
1344 | field->value[index] = surface_switch; | |
99c703ac | 1345 | return true; |
02946f4b BT |
1346 | |
1347 | case HID_DG_BUTTONSWITCH: | |
1348 | field->value[index] = button_switch; | |
99c703ac | 1349 | return true; |
7f81c8db | 1350 | } |
31ae9bdd | 1351 | |
7f81c8db BT |
1352 | return false; /* no need to update the report */ |
1353 | } | |
31ae9bdd | 1354 | |
02946f4b BT |
1355 | static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency, |
1356 | bool surface_switch, bool button_switch) | |
7f81c8db BT |
1357 | { |
1358 | struct hid_report_enum *rep_enum; | |
1359 | struct hid_report *rep; | |
1360 | struct hid_usage *usage; | |
1361 | int i, j; | |
1362 | bool update_report; | |
1363 | ||
1364 | rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; | |
1365 | list_for_each_entry(rep, &rep_enum->report_list, list) { | |
1366 | update_report = false; | |
1367 | ||
1368 | for (i = 0; i < rep->maxfield; i++) { | |
1369 | /* Ignore if report count is out of bounds. */ | |
1370 | if (rep->field[i]->report_count < 1) | |
1371 | continue; | |
1372 | ||
1373 | for (j = 0; j < rep->field[i]->maxusage; j++) { | |
1374 | usage = &rep->field[i]->usage[j]; | |
1375 | ||
1376 | if (mt_need_to_apply_feature(hdev, | |
1377 | rep->field[i], | |
02946f4b BT |
1378 | usage, |
1379 | latency, | |
1380 | surface_switch, | |
1381 | button_switch)) | |
7f81c8db BT |
1382 | update_report = true; |
1383 | } | |
31ae9bdd | 1384 | } |
7f81c8db BT |
1385 | |
1386 | if (update_report) | |
1387 | hid_hw_request(hdev, rep, HID_REQ_SET_REPORT); | |
31ae9bdd BT |
1388 | } |
1389 | } | |
1390 | ||
f146d1c4 BT |
1391 | static void mt_post_parse_default_settings(struct mt_device *td, |
1392 | struct mt_application *app) | |
4fa3a583 | 1393 | { |
3ceb3826 | 1394 | __s32 quirks = app->quirks; |
4fa3a583 HR |
1395 | |
1396 | /* unknown serial device needs special quirks */ | |
01eaac7e | 1397 | if (list_is_singular(&app->mt_usages)) { |
4fa3a583 HR |
1398 | quirks |= MT_QUIRK_ALWAYS_VALID; |
1399 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
1400 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
1401 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 1402 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
1403 | } |
1404 | ||
3ceb3826 | 1405 | app->quirks = quirks; |
4fa3a583 HR |
1406 | } |
1407 | ||
f146d1c4 | 1408 | static void mt_post_parse(struct mt_device *td, struct mt_application *app) |
3ac36d15 | 1409 | { |
01eaac7e | 1410 | if (!app->have_contact_count) |
3ceb3826 | 1411 | app->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
1412 | } |
1413 | ||
b2c68a2f | 1414 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
1415 | { |
1416 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
1417 | char *name; |
1418 | const char *suffix = NULL; | |
40ec2603 | 1419 | unsigned int application = 0; |
8dfe14b3 | 1420 | struct mt_report_data *rdata; |
f146d1c4 | 1421 | struct mt_application *mt_application = NULL; |
40ec2603 | 1422 | struct hid_report *report; |
b2c68a2f | 1423 | int ret; |
76f5902a | 1424 | |
40ec2603 BT |
1425 | list_for_each_entry(report, &hi->reports, hidinput_list) { |
1426 | application = report->application; | |
8dfe14b3 BT |
1427 | rdata = mt_find_report_data(td, report); |
1428 | if (!rdata) { | |
1429 | hid_err(hdev, "failed to allocate data for report\n"); | |
1430 | return -ENOMEM; | |
1431 | } | |
1432 | ||
1433 | mt_application = rdata->application; | |
f146d1c4 | 1434 | |
8dfe14b3 | 1435 | if (rdata->is_mt_collection) { |
f146d1c4 BT |
1436 | ret = mt_touch_input_configured(hdev, hi, |
1437 | mt_application); | |
40ec2603 BT |
1438 | if (ret) |
1439 | return ret; | |
1440 | } | |
1441 | ||
1442 | /* | |
1443 | * some egalax touchscreens have "application == DG_TOUCHSCREEN" | |
1444 | * for the stylus. Check this first, and then rely on | |
1445 | * the application field. | |
1446 | */ | |
1447 | if (report->field[0]->physical == HID_DG_STYLUS) { | |
1448 | suffix = "Pen"; | |
1449 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1450 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1451 | } | |
b2c68a2f | 1452 | } |
76f5902a | 1453 | |
40ec2603 BT |
1454 | if (!suffix) { |
1455 | switch (application) { | |
6aef704e | 1456 | case HID_GD_KEYBOARD: |
6aef704e | 1457 | case HID_GD_KEYPAD: |
6aef704e | 1458 | case HID_GD_MOUSE: |
dc425a1c | 1459 | case HID_DG_TOUCHPAD: |
6aef704e | 1460 | case HID_GD_SYSTEM_CONTROL: |
6aef704e | 1461 | case HID_CP_CONSUMER_CONTROL: |
1fbf74ef | 1462 | case HID_GD_WIRELESS_RADIO_CTLS: |
40ec2603 BT |
1463 | /* already handled by hid core */ |
1464 | break; | |
1465 | case HID_DG_TOUCHSCREEN: | |
1466 | /* we do not set suffix = "Touchscreen" */ | |
1467 | hi->input->name = hdev->name; | |
1468 | break; | |
1469 | case HID_DG_STYLUS: | |
1470 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1471 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1fbf74ef | 1472 | break; |
957b8dff JPRV |
1473 | case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: |
1474 | suffix = "Custom Media Keys"; | |
1475 | break; | |
6aef704e BT |
1476 | default: |
1477 | suffix = "UNKNOWN"; | |
1478 | break; | |
1479 | } | |
c08d46aa BT |
1480 | } |
1481 | ||
1482 | if (suffix) { | |
1483 | name = devm_kzalloc(&hi->input->dev, | |
1484 | strlen(hdev->name) + strlen(suffix) + 2, | |
1485 | GFP_KERNEL); | |
1486 | if (name) { | |
1487 | sprintf(name, "%s %s", hdev->name, suffix); | |
1488 | hi->input->name = name; | |
1489 | } | |
1490 | } | |
b2c68a2f DT |
1491 | |
1492 | return 0; | |
76f5902a HR |
1493 | } |
1494 | ||
f3287a99 BT |
1495 | static void mt_fix_const_field(struct hid_field *field, unsigned int usage) |
1496 | { | |
1497 | if (field->usage[0].hid != usage || | |
1498 | !(field->flags & HID_MAIN_ITEM_CONSTANT)) | |
1499 | return; | |
1500 | ||
1501 | field->flags &= ~HID_MAIN_ITEM_CONSTANT; | |
1502 | field->flags |= HID_MAIN_ITEM_VARIABLE; | |
1503 | } | |
1504 | ||
1505 | static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) | |
1506 | { | |
1507 | struct hid_report *report; | |
1508 | int i; | |
1509 | ||
1510 | list_for_each_entry(report, | |
1511 | &hdev->report_enum[HID_INPUT_REPORT].report_list, | |
1512 | list) { | |
1513 | ||
1514 | if (!report->maxfield) | |
1515 | continue; | |
1516 | ||
1517 | for (i = 0; i < report->maxfield; i++) | |
1518 | if (report->field[i]->maxusage >= 1) | |
1519 | mt_fix_const_field(report->field[i], usage); | |
1520 | } | |
1521 | } | |
1522 | ||
4f4001bc BT |
1523 | static void mt_release_contacts(struct hid_device *hid) |
1524 | { | |
1525 | struct hid_input *hidinput; | |
f146d1c4 | 1526 | struct mt_application *application; |
4f4001bc BT |
1527 | struct mt_device *td = hid_get_drvdata(hid); |
1528 | ||
1529 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1530 | struct input_dev *input_dev = hidinput->input; | |
1531 | struct input_mt *mt = input_dev->mt; | |
1532 | int i; | |
1533 | ||
1534 | if (mt) { | |
1535 | for (i = 0; i < mt->num_slots; i++) { | |
1536 | input_mt_slot(input_dev, i); | |
1537 | input_mt_report_slot_state(input_dev, | |
1538 | MT_TOOL_FINGER, | |
1539 | false); | |
1540 | } | |
1541 | input_mt_sync_frame(input_dev); | |
1542 | input_sync(input_dev); | |
1543 | } | |
1544 | } | |
1545 | ||
f146d1c4 BT |
1546 | list_for_each_entry(application, &td->applications, list) { |
1547 | application->num_received = 0; | |
1548 | } | |
4f4001bc BT |
1549 | } |
1550 | ||
0ee32774 | 1551 | static void mt_expired_timeout(struct timer_list *t) |
4f4001bc | 1552 | { |
0ee32774 KC |
1553 | struct mt_device *td = from_timer(td, t, release_timer); |
1554 | struct hid_device *hdev = td->hdev; | |
4f4001bc BT |
1555 | |
1556 | /* | |
1557 | * An input report came in just before we release the sticky fingers, | |
1558 | * it will take care of the sticky fingers. | |
1559 | */ | |
1560 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
1561 | return; | |
96098274 BT |
1562 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1563 | mt_release_contacts(hdev); | |
4f4001bc BT |
1564 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); |
1565 | } | |
1566 | ||
5519cab4 BT |
1567 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1568 | { | |
2d93666e | 1569 | int ret, i; |
5519cab4 | 1570 | struct mt_device *td; |
cf6d15d7 | 1571 | const struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
2d93666e | 1572 | |
94b5485c HR |
1573 | for (i = 0; mt_classes[i].name ; i++) { |
1574 | if (id->driver_data == mt_classes[i].name) { | |
1575 | mtclass = &(mt_classes[i]); | |
1576 | break; | |
2d93666e BT |
1577 | } |
1578 | } | |
5519cab4 | 1579 | |
c08d46aa | 1580 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1581 | if (!td) { |
1582 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1583 | return -ENOMEM; | |
1584 | } | |
0ee32774 | 1585 | td->hdev = hdev; |
eec29e3d | 1586 | td->mtclass = *mtclass; |
9abebedb | 1587 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
5519cab4 BT |
1588 | hid_set_drvdata(hdev, td); |
1589 | ||
f146d1c4 | 1590 | INIT_LIST_HEAD(&td->applications); |
8dfe14b3 | 1591 | INIT_LIST_HEAD(&td->reports); |
f146d1c4 | 1592 | |
76f5902a HR |
1593 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1594 | td->serial_maybe = true; | |
1595 | ||
b897f6db BT |
1596 | /* This allows the driver to correctly support devices |
1597 | * that emit events over several HID messages. | |
1598 | */ | |
1599 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
1600 | ||
1601 | /* | |
1602 | * This allows the driver to handle different input sensors | |
40ec2603 | 1603 | * that emits events through different applications on the same HID |
b897f6db BT |
1604 | * device. |
1605 | */ | |
40ec2603 | 1606 | hdev->quirks |= HID_QUIRK_INPUT_PER_APP; |
b897f6db | 1607 | |
0ee32774 | 1608 | timer_setup(&td->release_timer, mt_expired_timeout, 0); |
4f4001bc | 1609 | |
5519cab4 BT |
1610 | ret = hid_parse(hdev); |
1611 | if (ret != 0) | |
c08d46aa | 1612 | return ret; |
5519cab4 | 1613 | |
f3287a99 BT |
1614 | if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) |
1615 | mt_fix_const_fields(hdev, HID_DG_CONTACTID); | |
1616 | ||
5519cab4 | 1617 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
2d93666e | 1618 | if (ret) |
c08d46aa | 1619 | return ret; |
5519cab4 | 1620 | |
eec29e3d | 1621 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1622 | if (ret) |
1623 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1624 | hdev->name); | |
eec29e3d | 1625 | |
02946f4b | 1626 | mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); |
5519cab4 BT |
1627 | |
1628 | return 0; | |
5519cab4 BT |
1629 | } |
1630 | ||
1631 | #ifdef CONFIG_PM | |
1632 | static int mt_reset_resume(struct hid_device *hdev) | |
1633 | { | |
d3e69b9a | 1634 | mt_release_contacts(hdev); |
02946f4b | 1635 | mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); |
5519cab4 BT |
1636 | return 0; |
1637 | } | |
dfeefd10 SL |
1638 | |
1639 | static int mt_resume(struct hid_device *hdev) | |
1640 | { | |
dfeefd10 SL |
1641 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1642 | * It should be safe to send it to other devices too. | |
1643 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1644 | ||
4ba25d3f | 1645 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 SL |
1646 | |
1647 | return 0; | |
1648 | } | |
5519cab4 BT |
1649 | #endif |
1650 | ||
1651 | static void mt_remove(struct hid_device *hdev) | |
1652 | { | |
b897f6db BT |
1653 | struct mt_device *td = hid_get_drvdata(hdev); |
1654 | ||
4f4001bc BT |
1655 | del_timer_sync(&td->release_timer); |
1656 | ||
eec29e3d | 1657 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1658 | hid_hw_stop(hdev); |
5519cab4 BT |
1659 | } |
1660 | ||
0fa9c616 BT |
1661 | /* |
1662 | * This list contains only: | |
1663 | * - VID/PID of products not working with the default multitouch handling | |
1664 | * - 2 generic rules. | |
1665 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1666 | */ | |
5519cab4 BT |
1667 | static const struct hid_device_id mt_devices[] = { |
1668 | ||
f786bba4 BT |
1669 | /* 3M panels */ |
1670 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1671 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1672 | USB_DEVICE_ID_3M1968) }, |
1673 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1674 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1675 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1676 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1677 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1678 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1679 | |
504c932c MO |
1680 | /* Alps devices */ |
1681 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1682 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1683 | USB_VENDOR_ID_ALPS_JP, | |
1684 | HID_DEVICE_ID_ALPS_U1_DUAL_PTP) }, | |
1685 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1686 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1687 | USB_VENDOR_ID_ALPS_JP, | |
1688 | HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) }, | |
1689 | ||
56d859e1 PT |
1690 | /* Lenovo X1 TAB Gen 2 */ |
1691 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1692 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1693 | USB_VENDOR_ID_LENOVO, | |
1694 | USB_DEVICE_ID_LENOVO_X1_TAB) }, | |
1695 | ||
6aef704e BT |
1696 | /* Anton devices */ |
1697 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1698 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1699 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1700 | |
957b8dff JPRV |
1701 | /* Asus T304UA */ |
1702 | { .driver_data = MT_CLS_ASUS, | |
1703 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1704 | USB_VENDOR_ID_ASUSTEK, | |
1705 | USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, | |
1706 | ||
b1057124 | 1707 | /* Atmel panels */ |
841cb157 | 1708 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1709 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1710 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1711 | |
9ed32695 | 1712 | /* Baanto multitouch devices */ |
dc3e1d80 | 1713 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1714 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1715 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1716 | |
a841b62c BT |
1717 | /* Cando panels */ |
1718 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1719 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1720 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1721 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1722 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1723 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1724 | ||
942fd422 | 1725 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1726 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1727 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1728 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1729 | ||
070f63b4 YB |
1730 | /* CJTouch panels */ |
1731 | { .driver_data = MT_CLS_NSMU, | |
1732 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1733 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1734 | { .driver_data = MT_CLS_NSMU, | |
1735 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1736 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1737 | ||
79603dc9 | 1738 | /* CVTouch panels */ |
dc3e1d80 | 1739 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1740 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1741 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1742 | ||
22408283 | 1743 | /* eGalax devices (resistive) */ |
e36f690b | 1744 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1745 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1746 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1747 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1748 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1749 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1750 | |
1751 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1752 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1753 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1754 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1755 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1756 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1757 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1758 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1759 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1760 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1761 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1762 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1763 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1764 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1765 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1766 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1767 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1768 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1769 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1770 | { .driver_data = MT_CLS_EGALAX, |
1771 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1772 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1773 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1774 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1775 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1776 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1777 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1778 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1779 | { .driver_data = MT_CLS_EGALAX, |
1780 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1781 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1782 | { .driver_data = MT_CLS_EGALAX, | |
1783 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1784 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1785 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1786 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1787 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1788 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1789 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1790 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1791 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1792 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1793 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1794 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1795 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1796 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1797 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1798 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1799 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
22408283 | 1800 | |
7c7606a2 TS |
1801 | /* Elitegroup panel */ |
1802 | { .driver_data = MT_CLS_SERIAL, | |
1803 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
1804 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
1805 | ||
77723e3b HR |
1806 | /* Flatfrog Panels */ |
1807 | { .driver_data = MT_CLS_FLATFROG, | |
1808 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
1809 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
1810 | ||
3db187e7 BT |
1811 | /* FocalTech Panels */ |
1812 | { .driver_data = MT_CLS_SERIAL, | |
1813 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
1814 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
1815 | ||
5572da08 | 1816 | /* GeneralTouch panel */ |
f5ff4e1e | 1817 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 1818 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 1819 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
1820 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1821 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1822 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
1823 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1824 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1825 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
1826 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1827 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1828 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
1829 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1830 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1831 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
1832 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1833 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1834 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
1835 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1836 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1837 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 1838 | |
4d5df5d1 | 1839 | /* Gametel game controller */ |
dc3e1d80 | 1840 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1841 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
1842 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1843 | ||
ee0fbd14 | 1844 | /* GoodTouch panels */ |
dc3e1d80 | 1845 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1846 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
1847 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1848 | ||
54580365 BT |
1849 | /* Hanvon panels */ |
1850 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 1851 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
1852 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1853 | ||
4e61f0d7 | 1854 | /* Ilitek dual touch panel */ |
dc3e1d80 | 1855 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1856 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
1857 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1858 | ||
f3287a99 BT |
1859 | /* LG Melfas panel */ |
1860 | { .driver_data = MT_CLS_LG, | |
1861 | HID_USB_DEVICE(USB_VENDOR_ID_LG, | |
1862 | USB_DEVICE_ID_LG_MELFAS_MT) }, | |
1863 | ||
4a6ee685 BT |
1864 | /* MosArt panels */ |
1865 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1866 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1867 | USB_DEVICE_ID_ASUS_T91MT)}, |
1868 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1869 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1870 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1871 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1872 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
1873 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1874 | ||
4db703ea | 1875 | /* Novatek Panel */ |
dc3e1d80 | 1876 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 1877 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
1878 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1879 | ||
a80e803a BT |
1880 | /* Ntrig Panel */ |
1881 | { .driver_data = MT_CLS_NSMU, | |
1882 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1883 | USB_VENDOR_ID_NTRIG, 0x1b05) }, | |
1884 | ||
fb55b402 HG |
1885 | /* Panasonic panels */ |
1886 | { .driver_data = MT_CLS_PANASONIC, | |
1887 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
1888 | USB_DEVICE_ID_PANABOARD_UBT780) }, | |
1889 | { .driver_data = MT_CLS_PANASONIC, | |
1890 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
1891 | USB_DEVICE_ID_PANABOARD_UBT880) }, | |
1892 | ||
b7ea95ff AT |
1893 | /* PixArt optical touch screen */ |
1894 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1895 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1896 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1897 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1898 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1899 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1900 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1901 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1902 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1903 | ||
5519cab4 | 1904 | /* PixCir-based panels */ |
1e9cf35b | 1905 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 1906 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
1907 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1908 | ||
5e7ea11f | 1909 | /* Quanta-based panels */ |
5e7ea11f | 1910 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 1911 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 1912 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 1913 | |
843e475f BT |
1914 | /* Razer touchpads */ |
1915 | { .driver_data = MT_CLS_RAZER_BLADE_STEALTH, | |
1916 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1917 | USB_VENDOR_ID_SYNAPTICS, 0x8323) }, | |
1918 | ||
043b403a | 1919 | /* Stantum panels */ |
bf5af9b5 | 1920 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 1921 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 1922 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 1923 | |
847672cd BT |
1924 | /* TopSeed panels */ |
1925 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 1926 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
1927 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1928 | ||
5e74e56d | 1929 | /* Touch International panels */ |
dc3e1d80 | 1930 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1931 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
1932 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1933 | ||
617b64f9 | 1934 | /* Unitec panels */ |
dc3e1d80 | 1935 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1936 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1937 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 1938 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1939 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1940 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 1941 | |
da10bc25 MM |
1942 | /* VTL panels */ |
1943 | { .driver_data = MT_CLS_VTL, | |
1944 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
1945 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
1946 | ||
bf9d121e KC |
1947 | /* Wistron panels */ |
1948 | { .driver_data = MT_CLS_NSMU, | |
1949 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
1950 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
1951 | ||
bc8a2a9b | 1952 | /* XAT */ |
dc3e1d80 | 1953 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1954 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 1955 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 1956 | |
11576c61 | 1957 | /* Xiroku */ |
dc3e1d80 | 1958 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1959 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1960 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 1961 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1962 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1963 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 1964 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1965 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1966 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 1967 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1968 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1969 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 1970 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1971 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1972 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 1973 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1974 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1975 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 1976 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1977 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1978 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 1979 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1980 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1981 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 1982 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1983 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
1984 | USB_DEVICE_ID_XIROKU_CSR2) }, |
1985 | ||
0e82232c WNH |
1986 | /* Google MT devices */ |
1987 | { .driver_data = MT_CLS_GOOGLE, | |
1988 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, | |
1989 | USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, | |
1990 | ||
4fa3a583 HR |
1991 | /* Generic MT device */ |
1992 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
1993 | |
1994 | /* Generic Win 8 certified MT device */ | |
1995 | { .driver_data = MT_CLS_WIN_8, | |
1996 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
1997 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
1998 | { } |
1999 | }; | |
2000 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
2001 | ||
2002 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
2003 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
2004 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
2005 | }; | |
2006 | ||
2007 | static struct hid_driver mt_driver = { | |
2008 | .name = "hid-multitouch", | |
2009 | .id_table = mt_devices, | |
2010 | .probe = mt_probe, | |
2011 | .remove = mt_remove, | |
2012 | .input_mapping = mt_input_mapping, | |
2013 | .input_mapped = mt_input_mapped, | |
76f5902a | 2014 | .input_configured = mt_input_configured, |
5519cab4 BT |
2015 | .feature_mapping = mt_feature_mapping, |
2016 | .usage_table = mt_grabbed_usages, | |
2017 | .event = mt_event, | |
55978fa9 | 2018 | .report = mt_report, |
5519cab4 BT |
2019 | #ifdef CONFIG_PM |
2020 | .reset_resume = mt_reset_resume, | |
dfeefd10 | 2021 | .resume = mt_resume, |
5519cab4 BT |
2022 | #endif |
2023 | }; | |
f425458e | 2024 | module_hid_driver(mt_driver); |