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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 | */ |
ba6b055e BT |
668 | if (field->application == HID_DG_TOUCHSCREEN && |
669 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { | |
f146d1c4 | 670 | app->mt_flags |= INPUT_MT_POINTER; |
9abebedb AD |
671 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
672 | } | |
c2ef8f21 | 673 | |
015fdaa9 BT |
674 | /* count the buttons on touchpads */ |
675 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
f146d1c4 | 676 | app->buttons_count++; |
015fdaa9 | 677 | |
349fd670 BT |
678 | if (usage->usage_index) |
679 | prev_usage = &field->usage[usage->usage_index - 1]; | |
680 | ||
5519cab4 BT |
681 | switch (usage->hid & HID_USAGE_PAGE) { |
682 | ||
683 | case HID_UP_GENDESK: | |
684 | switch (usage->hid) { | |
685 | case HID_GD_X: | |
01eaac7e | 686 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
f146d1c4 | 687 | code = ABS_MT_TOOL_X; |
01eaac7e BT |
688 | MT_STORE_FIELD(cx); |
689 | } else { | |
f146d1c4 | 690 | code = ABS_MT_POSITION_X; |
01eaac7e BT |
691 | MT_STORE_FIELD(x); |
692 | } | |
349fd670 | 693 | |
f146d1c4 | 694 | set_abs(hi->input, code, field, cls->sn_move); |
01eaac7e | 695 | |
ba6b055e BT |
696 | /* |
697 | * A system multi-axis that exports X and Y has a high | |
698 | * chance of being used directly on a surface | |
699 | */ | |
700 | if (field->application == HID_GD_SYSTEM_MULTIAXIS) { | |
701 | __set_bit(INPUT_PROP_DIRECT, | |
702 | hi->input->propbit); | |
703 | input_set_abs_params(hi->input, | |
704 | ABS_MT_TOOL_TYPE, | |
705 | MT_TOOL_DIAL, | |
706 | MT_TOOL_DIAL, 0, 0); | |
707 | } | |
708 | ||
5519cab4 BT |
709 | return 1; |
710 | case HID_GD_Y: | |
01eaac7e | 711 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
f146d1c4 | 712 | code = ABS_MT_TOOL_Y; |
01eaac7e BT |
713 | MT_STORE_FIELD(cy); |
714 | } else { | |
f146d1c4 | 715 | code = ABS_MT_POSITION_Y; |
01eaac7e BT |
716 | MT_STORE_FIELD(y); |
717 | } | |
349fd670 | 718 | |
f146d1c4 | 719 | set_abs(hi->input, code, field, cls->sn_move); |
01eaac7e | 720 | |
5519cab4 BT |
721 | return 1; |
722 | } | |
723 | return 0; | |
724 | ||
725 | case HID_UP_DIGITIZER: | |
726 | switch (usage->hid) { | |
727 | case HID_DG_INRANGE: | |
3ceb3826 | 728 | if (app->quirks & MT_QUIRK_HOVERING) { |
9b3bb9b8 BT |
729 | input_set_abs_params(hi->input, |
730 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
731 | } | |
01eaac7e | 732 | MT_STORE_FIELD(inrange_state); |
5519cab4 BT |
733 | return 1; |
734 | case HID_DG_CONFIDENCE: | |
504c932c MO |
735 | if ((cls->name == MT_CLS_WIN_8 || |
736 | cls->name == MT_CLS_WIN_8_DUAL) && | |
6dd2e27a | 737 | field->application == HID_DG_TOUCHPAD) |
3ceb3826 | 738 | app->quirks |= MT_QUIRK_CONFIDENCE; |
01eaac7e | 739 | MT_STORE_FIELD(confidence_state); |
5519cab4 BT |
740 | return 1; |
741 | case HID_DG_TIPSWITCH: | |
ba6b055e BT |
742 | if (field->application != HID_GD_SYSTEM_MULTIAXIS) |
743 | input_set_capability(hi->input, | |
744 | EV_KEY, BTN_TOUCH); | |
01eaac7e | 745 | MT_STORE_FIELD(tip_state); |
5519cab4 BT |
746 | return 1; |
747 | case HID_DG_CONTACTID: | |
01eaac7e | 748 | MT_STORE_FIELD(contactid); |
f146d1c4 | 749 | app->touches_by_report++; |
5519cab4 BT |
750 | return 1; |
751 | case HID_DG_WIDTH: | |
3ceb3826 | 752 | if (!(app->quirks & MT_QUIRK_NO_AREA)) |
77723e3b HR |
753 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, |
754 | cls->sn_width); | |
01eaac7e | 755 | MT_STORE_FIELD(w); |
5519cab4 BT |
756 | return 1; |
757 | case HID_DG_HEIGHT: | |
3ceb3826 | 758 | if (!(app->quirks & MT_QUIRK_NO_AREA)) { |
77723e3b HR |
759 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, |
760 | cls->sn_height); | |
00720277 WNH |
761 | |
762 | /* | |
763 | * Only set ABS_MT_ORIENTATION if it is not | |
764 | * already set by the HID_DG_AZIMUTH usage. | |
765 | */ | |
766 | if (!test_bit(ABS_MT_ORIENTATION, | |
767 | hi->input->absbit)) | |
768 | input_set_abs_params(hi->input, | |
769 | ABS_MT_ORIENTATION, 0, 1, 0, 0); | |
77723e3b | 770 | } |
01eaac7e | 771 | MT_STORE_FIELD(h); |
5519cab4 BT |
772 | return 1; |
773 | case HID_DG_TIPPRESSURE: | |
5519cab4 BT |
774 | set_abs(hi->input, ABS_MT_PRESSURE, field, |
775 | cls->sn_pressure); | |
01eaac7e | 776 | MT_STORE_FIELD(p); |
5519cab4 | 777 | return 1; |
29cc309d | 778 | case HID_DG_SCANTIME: |
29cc309d | 779 | input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); |
01eaac7e BT |
780 | app->scantime = &field->value[usage->usage_index]; |
781 | app->scantime_logical_max = field->logical_maximum; | |
29cc309d | 782 | return 1; |
5519cab4 | 783 | case HID_DG_CONTACTCOUNT: |
01eaac7e BT |
784 | app->have_contact_count = true; |
785 | app->raw_cc = &field->value[usage->usage_index]; | |
5519cab4 | 786 | return 1; |
00720277 | 787 | case HID_DG_AZIMUTH: |
00720277 WNH |
788 | /* |
789 | * Azimuth has the range of [0, MAX) representing a full | |
790 | * revolution. Set ABS_MT_ORIENTATION to a quarter of | |
791 | * MAX according the definition of ABS_MT_ORIENTATION | |
792 | */ | |
793 | input_set_abs_params(hi->input, ABS_MT_ORIENTATION, | |
794 | -field->logical_maximum / 4, | |
795 | field->logical_maximum / 4, | |
796 | cls->sn_move ? | |
797 | field->logical_maximum / cls->sn_move : 0, 0); | |
01eaac7e | 798 | MT_STORE_FIELD(a); |
00720277 | 799 | return 1; |
5519cab4 | 800 | case HID_DG_CONTACTMAX: |
01eaac7e | 801 | /* contact max are global to the report */ |
5519cab4 | 802 | return -1; |
c2ef8f21 BT |
803 | case HID_DG_TOUCH: |
804 | /* Legacy devices use TIPSWITCH and not TOUCH. | |
805 | * Let's just ignore this field. */ | |
806 | return -1; | |
65b258e9 | 807 | } |
5519cab4 BT |
808 | /* let hid-input decide for the others */ |
809 | return 0; | |
810 | ||
c2ef8f21 BT |
811 | case HID_UP_BUTTON: |
812 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); | |
594312b8 BT |
813 | /* |
814 | * MS PTP spec says that external buttons left and right have | |
815 | * usages 2 and 3. | |
816 | */ | |
3ceb3826 | 817 | if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
594312b8 BT |
818 | field->application == HID_DG_TOUCHPAD && |
819 | (usage->hid & HID_USAGE) > 1) | |
820 | code--; | |
ba6b055e BT |
821 | |
822 | if (field->application == HID_GD_SYSTEM_MULTIAXIS) | |
823 | code = BTN_0 + ((usage->hid - 1) & HID_USAGE); | |
824 | ||
c2ef8f21 BT |
825 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
826 | input_set_capability(hi->input, EV_KEY, code); | |
827 | return 1; | |
828 | ||
5519cab4 BT |
829 | case 0xff000000: |
830 | /* we do not want to map these: no input-oriented meaning */ | |
831 | return -1; | |
832 | } | |
833 | ||
834 | return 0; | |
835 | } | |
836 | ||
f146d1c4 | 837 | static int mt_compute_slot(struct mt_device *td, struct mt_application *app, |
01eaac7e | 838 | struct mt_usages *slot, |
f146d1c4 | 839 | struct input_dev *input) |
5519cab4 | 840 | { |
3ceb3826 | 841 | __s32 quirks = app->quirks; |
5519cab4 | 842 | |
2d93666e | 843 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
01eaac7e | 844 | return *slot->contactid; |
5519cab4 | 845 | |
2d93666e | 846 | if (quirks & MT_QUIRK_CYPRESS) |
01eaac7e | 847 | return cypress_compute_slot(app, slot); |
a3b5e577 | 848 | |
2d93666e | 849 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
f146d1c4 | 850 | return app->num_received; |
5572da08 | 851 | |
4a6ee685 | 852 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
01eaac7e | 853 | return *slot->contactid - 1; |
4a6ee685 | 854 | |
01eaac7e | 855 | return input_mt_get_slot_by_key(input, *slot->contactid); |
3e1b5015 HR |
856 | } |
857 | ||
858 | /* | |
859 | * this function is called when a whole packet has been received and processed, | |
860 | * so that it can decide what to send to the input layer. | |
861 | */ | |
f146d1c4 BT |
862 | static void mt_sync_frame(struct mt_device *td, struct mt_application *app, |
863 | struct input_dev *input) | |
3e1b5015 | 864 | { |
3ceb3826 | 865 | if (app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) |
f146d1c4 | 866 | input_event(input, EV_KEY, BTN_LEFT, app->left_button_state); |
127e71bd | 867 | |
76f5902a | 868 | input_mt_sync_frame(input); |
f146d1c4 | 869 | input_event(input, EV_MSC, MSC_TIMESTAMP, app->timestamp); |
5519cab4 | 870 | input_sync(input); |
f146d1c4 BT |
871 | app->num_received = 0; |
872 | app->left_button_state = 0; | |
873 | ||
96098274 BT |
874 | if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) |
875 | set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
876 | else | |
877 | clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
878 | clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
5519cab4 BT |
879 | } |
880 | ||
01eaac7e | 881 | static int mt_compute_timestamp(struct mt_application *app, __s32 value) |
29cc309d | 882 | { |
f146d1c4 BT |
883 | long delta = value - app->prev_scantime; |
884 | unsigned long jdelta = jiffies_to_usecs(jiffies - app->jiffies); | |
29cc309d | 885 | |
f146d1c4 | 886 | app->jiffies = jiffies; |
29cc309d NB |
887 | |
888 | if (delta < 0) | |
01eaac7e | 889 | delta += app->scantime_logical_max; |
29cc309d NB |
890 | |
891 | /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ | |
892 | delta *= 100; | |
893 | ||
894 | if (jdelta > MAX_TIMESTAMP_INTERVAL) | |
895 | /* No data received for a while, resync the timestamp. */ | |
896 | return 0; | |
897 | else | |
f146d1c4 | 898 | return app->timestamp + delta; |
29cc309d NB |
899 | } |
900 | ||
a69c5f8b | 901 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 902 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
903 | { |
904 | /* we will handle the hidinput part later, now remains hiddev */ | |
905 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
906 | hid->hiddev_hid_event(hid, field, usage, value); | |
907 | ||
908 | return 1; | |
909 | } | |
910 | ||
01eaac7e BT |
911 | static int mt_process_slot(struct mt_device *td, struct input_dev *input, |
912 | struct mt_application *app, | |
913 | struct mt_usages *slot) | |
5519cab4 | 914 | { |
01eaac7e | 915 | struct input_mt *mt = input->mt; |
3ceb3826 | 916 | __s32 quirks = app->quirks; |
01eaac7e BT |
917 | bool valid = true; |
918 | bool confidence_state = true; | |
919 | bool inrange_state = false; | |
920 | int active; | |
921 | int slotnum; | |
ba6b055e | 922 | int tool = MT_TOOL_FINGER; |
5519cab4 | 923 | |
01eaac7e BT |
924 | if (!slot) |
925 | return -EINVAL; | |
926 | ||
927 | if ((quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && | |
928 | app->num_received >= app->num_expected) | |
929 | return -EAGAIN; | |
930 | ||
931 | if (!(quirks & MT_QUIRK_ALWAYS_VALID)) { | |
932 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) | |
933 | valid = *slot->inrange_state; | |
934 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
935 | valid = *slot->tip_state; | |
936 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) | |
937 | valid = *slot->confidence_state; | |
938 | ||
939 | if (!valid) | |
940 | return 0; | |
941 | } | |
942 | ||
943 | slotnum = mt_compute_slot(td, app, slot, input); | |
944 | if (slotnum < 0 || slotnum >= td->maxcontacts) | |
945 | return 0; | |
946 | ||
947 | if ((quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { | |
948 | struct input_mt_slot *i_slot = &mt->slots[slotnum]; | |
949 | ||
950 | if (input_mt_is_active(i_slot) && | |
951 | input_mt_is_used(mt, i_slot)) | |
952 | return -EAGAIN; | |
953 | } | |
954 | ||
955 | if (quirks & MT_QUIRK_CONFIDENCE) | |
956 | confidence_state = *slot->confidence_state; | |
957 | ||
958 | if (quirks & MT_QUIRK_HOVERING) | |
959 | inrange_state = *slot->inrange_state; | |
960 | ||
961 | active = (*slot->tip_state || inrange_state) && confidence_state; | |
962 | ||
ba6b055e BT |
963 | if (app->application == HID_GD_SYSTEM_MULTIAXIS) |
964 | tool = MT_TOOL_DIAL; | |
965 | ||
01eaac7e | 966 | input_mt_slot(input, slotnum); |
ba6b055e | 967 | input_mt_report_slot_state(input, tool, active); |
01eaac7e BT |
968 | if (active) { |
969 | /* this finger is in proximity of the sensor */ | |
970 | int wide = (*slot->w > *slot->h); | |
971 | int major = max(*slot->w, *slot->h); | |
972 | int minor = min(*slot->w, *slot->h); | |
973 | int orientation = wide; | |
974 | int max_azimuth; | |
975 | int azimuth; | |
976 | ||
977 | if (slot->a != DEFAULT_ZERO) { | |
00720277 WNH |
978 | /* |
979 | * Azimuth is counter-clockwise and ranges from [0, MAX) | |
980 | * (a full revolution). Convert it to clockwise ranging | |
981 | * [-MAX/2, MAX/2]. | |
982 | * | |
983 | * Note that ABS_MT_ORIENTATION require us to report | |
984 | * the limit of [-MAX/4, MAX/4], but the value can go | |
985 | * out of range to [-MAX/2, MAX/2] to report an upside | |
986 | * down ellipsis. | |
987 | */ | |
01eaac7e BT |
988 | azimuth = *slot->a; |
989 | max_azimuth = input_abs_get_max(input, | |
990 | ABS_MT_ORIENTATION); | |
991 | if (azimuth > max_azimuth * 2) | |
992 | azimuth -= max_azimuth * 4; | |
993 | orientation = -azimuth; | |
994 | } | |
5519cab4 | 995 | |
01eaac7e BT |
996 | /* |
997 | * divided by two to match visual scale of touch | |
998 | * for devices with this quirk | |
999 | */ | |
1000 | if (quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { | |
1001 | major = major >> 1; | |
1002 | minor = minor >> 1; | |
1003 | } | |
55746d28 | 1004 | |
01eaac7e BT |
1005 | input_event(input, EV_ABS, ABS_MT_POSITION_X, *slot->x); |
1006 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, *slot->y); | |
1007 | input_event(input, EV_ABS, ABS_MT_TOOL_X, *slot->cx); | |
1008 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, *slot->cy); | |
1009 | input_event(input, EV_ABS, ABS_MT_DISTANCE, !*slot->tip_state); | |
1010 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, orientation); | |
1011 | input_event(input, EV_ABS, ABS_MT_PRESSURE, *slot->p); | |
1012 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); | |
1013 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
1014 | ||
1015 | set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
1016 | } | |
127e71bd | 1017 | |
01eaac7e BT |
1018 | return 0; |
1019 | } | |
1020 | ||
1021 | static void mt_process_mt_event(struct hid_device *hid, | |
1022 | struct mt_application *app, | |
1023 | struct hid_field *field, | |
1024 | struct hid_usage *usage, | |
1025 | __s32 value, | |
1026 | bool first_packet) | |
1027 | { | |
1028 | __s32 quirks = app->quirks; | |
1029 | struct input_dev *input = field->hidinput->input; | |
1030 | ||
1031 | if (!usage->type || !(hid->claimed & HID_CLAIMED_INPUT)) | |
1032 | return; | |
1033 | ||
1034 | if (quirks & MT_QUIRK_WIN8_PTP_BUTTONS) { | |
1035 | ||
1036 | /* | |
1037 | * For Win8 PTP touchpads we should only look at | |
1038 | * non finger/touch events in the first_packet of a | |
1039 | * (possible) multi-packet frame. | |
1040 | */ | |
1041 | if (!first_packet) | |
55978fa9 | 1042 | return; |
5519cab4 | 1043 | |
01eaac7e BT |
1044 | /* |
1045 | * For Win8 PTP touchpads we map both the clickpad click | |
1046 | * and any "external" left buttons to BTN_LEFT if a | |
1047 | * device claims to have both we need to report 1 for | |
1048 | * BTN_LEFT if either is pressed, so we or all values | |
1049 | * together and report the result in mt_sync_frame(). | |
1050 | */ | |
1051 | if (usage->type == EV_KEY && usage->code == BTN_LEFT) { | |
1052 | app->left_button_state |= value; | |
1053 | return; | |
54f4c0c3 | 1054 | } |
2d93666e | 1055 | } |
01eaac7e BT |
1056 | |
1057 | input_event(input, usage->type, usage->code, value); | |
55978fa9 | 1058 | } |
5519cab4 | 1059 | |
8dfe14b3 BT |
1060 | static void mt_touch_report(struct hid_device *hid, |
1061 | struct mt_report_data *rdata) | |
55978fa9 BT |
1062 | { |
1063 | struct mt_device *td = hid_get_drvdata(hid); | |
8dfe14b3 BT |
1064 | struct hid_report *report = rdata->report; |
1065 | struct mt_application *app = rdata->application; | |
55978fa9 | 1066 | struct hid_field *field; |
01eaac7e BT |
1067 | struct input_dev *input; |
1068 | struct mt_usages *slot; | |
55746d28 | 1069 | bool first_packet; |
55978fa9 | 1070 | unsigned count; |
f146d1c4 BT |
1071 | int r, n; |
1072 | int scantime = 0; | |
1073 | int contact_count = -1; | |
5519cab4 | 1074 | |
4f4001bc BT |
1075 | /* sticky fingers release in progress, abort */ |
1076 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
1077 | return; | |
1078 | ||
01eaac7e BT |
1079 | scantime = *app->scantime; |
1080 | app->timestamp = mt_compute_timestamp(app, scantime); | |
1081 | if (app->raw_cc != DEFAULT_ZERO) | |
1082 | contact_count = *app->raw_cc; | |
1083 | ||
c2517f62 BT |
1084 | /* |
1085 | * Includes multi-packet support where subsequent | |
1086 | * packets are sent with zero contactcount. | |
1087 | */ | |
01eaac7e | 1088 | if (contact_count >= 0) { |
af8dc4d0 HG |
1089 | /* |
1090 | * For Win8 PTPs the first packet (td->num_received == 0) may | |
1091 | * have a contactcount of 0 if there only is a button event. | |
1092 | * We double check that this is not a continuation packet | |
1093 | * of a possible multi-packet frame be checking that the | |
1094 | * timestamp has changed. | |
1095 | */ | |
3ceb3826 | 1096 | if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
f146d1c4 BT |
1097 | app->num_received == 0 && |
1098 | app->prev_scantime != scantime) | |
1099 | app->num_expected = contact_count; | |
af8dc4d0 | 1100 | /* A non 0 contact count always indicates a first packet */ |
f146d1c4 BT |
1101 | else if (contact_count) |
1102 | app->num_expected = contact_count; | |
7e3cc447 | 1103 | } |
f146d1c4 | 1104 | app->prev_scantime = scantime; |
c2517f62 | 1105 | |
f146d1c4 | 1106 | first_packet = app->num_received == 0; |
01eaac7e BT |
1107 | |
1108 | input = report->field[0]->hidinput->input; | |
1109 | ||
1110 | list_for_each_entry(slot, &app->mt_usages, list) { | |
1111 | if (!mt_process_slot(td, input, app, slot)) | |
1112 | app->num_received++; | |
1113 | } | |
1114 | ||
55978fa9 BT |
1115 | for (r = 0; r < report->maxfield; r++) { |
1116 | field = report->field[r]; | |
1117 | count = field->report_count; | |
1118 | ||
1119 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
1120 | continue; | |
1121 | ||
1122 | for (n = 0; n < count; n++) | |
01eaac7e BT |
1123 | mt_process_mt_event(hid, app, field, |
1124 | &field->usage[n], field->value[n], | |
1125 | first_packet); | |
55978fa9 | 1126 | } |
5b62efd8 | 1127 | |
f146d1c4 | 1128 | if (app->num_received >= app->num_expected) |
01eaac7e | 1129 | mt_sync_frame(td, app, input); |
4f4001bc BT |
1130 | |
1131 | /* | |
1132 | * Windows 8 specs says 2 things: | |
1133 | * - once a contact has been reported, it has to be reported in each | |
1134 | * subsequent report | |
1135 | * - the report rate when fingers are present has to be at least | |
1136 | * the refresh rate of the screen, 60 or 120 Hz | |
1137 | * | |
1138 | * I interprete this that the specification forces a report rate of | |
1139 | * at least 60 Hz for a touchscreen to be certified. | |
1140 | * Which means that if we do not get a report whithin 16 ms, either | |
1141 | * something wrong happens, either the touchscreen forgets to send | |
1142 | * a release. Taking a reasonable margin allows to remove issues | |
1143 | * with USB communication or the load of the machine. | |
1144 | * | |
1145 | * Given that Win 8 devices are forced to send a release, this will | |
1146 | * only affect laggish machines and the ones that have a firmware | |
1147 | * defect. | |
1148 | */ | |
3ceb3826 | 1149 | if (app->quirks & MT_QUIRK_STICKY_FINGERS) { |
96098274 BT |
1150 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1151 | mod_timer(&td->release_timer, | |
1152 | jiffies + msecs_to_jiffies(100)); | |
1153 | else | |
1154 | del_timer(&td->release_timer); | |
1155 | } | |
4f4001bc BT |
1156 | |
1157 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); | |
5519cab4 BT |
1158 | } |
1159 | ||
b2c68a2f | 1160 | static int mt_touch_input_configured(struct hid_device *hdev, |
f146d1c4 BT |
1161 | struct hid_input *hi, |
1162 | struct mt_application *app) | |
a69c5f8b BT |
1163 | { |
1164 | struct mt_device *td = hid_get_drvdata(hdev); | |
1165 | struct mt_class *cls = &td->mtclass; | |
1166 | struct input_dev *input = hi->input; | |
b2c68a2f | 1167 | int ret; |
a69c5f8b BT |
1168 | |
1169 | if (!td->maxcontacts) | |
1170 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
1171 | ||
f146d1c4 | 1172 | mt_post_parse(td, app); |
a69c5f8b | 1173 | if (td->serial_maybe) |
f146d1c4 | 1174 | mt_post_parse_default_settings(td, app); |
a69c5f8b BT |
1175 | |
1176 | if (cls->is_indirect) | |
f146d1c4 | 1177 | app->mt_flags |= INPUT_MT_POINTER; |
a69c5f8b | 1178 | |
3ceb3826 | 1179 | if (app->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
f146d1c4 | 1180 | app->mt_flags |= INPUT_MT_DROP_UNUSED; |
a69c5f8b | 1181 | |
015fdaa9 | 1182 | /* check for clickpads */ |
f146d1c4 BT |
1183 | if ((app->mt_flags & INPUT_MT_POINTER) && |
1184 | (app->buttons_count == 1)) | |
2c6e0277 SF |
1185 | td->is_buttonpad = true; |
1186 | ||
1187 | if (td->is_buttonpad) | |
015fdaa9 BT |
1188 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
1189 | ||
f146d1c4 | 1190 | ret = input_mt_init_slots(input, td->maxcontacts, app->mt_flags); |
b2c68a2f DT |
1191 | if (ret) |
1192 | return ret; | |
a69c5f8b | 1193 | |
f146d1c4 | 1194 | app->mt_flags = 0; |
b2c68a2f | 1195 | return 0; |
a69c5f8b BT |
1196 | } |
1197 | ||
957b8dff JPRV |
1198 | #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
1199 | max, EV_KEY, (c)) | |
a69c5f8b BT |
1200 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
1201 | struct hid_field *field, struct hid_usage *usage, | |
1202 | unsigned long **bit, int *max) | |
1203 | { | |
6aef704e | 1204 | struct mt_device *td = hid_get_drvdata(hdev); |
f146d1c4 | 1205 | struct mt_application *application; |
8dfe14b3 BT |
1206 | struct mt_report_data *rdata; |
1207 | ||
1208 | rdata = mt_find_report_data(td, field->report); | |
1209 | if (!rdata) { | |
1210 | hid_err(hdev, "failed to allocate data for report\n"); | |
1211 | return 0; | |
1212 | } | |
6aef704e | 1213 | |
8dfe14b3 | 1214 | application = rdata->application; |
3ceb3826 | 1215 | |
6aef704e BT |
1216 | /* |
1217 | * If mtclass.export_all_inputs is not set, only map fields from | |
1218 | * TouchScreen or TouchPad collections. We need to ignore fields | |
1219 | * that belong to other collections such as Mouse that might have | |
1220 | * the same GenericDesktop usages. | |
1221 | */ | |
1222 | if (!td->mtclass.export_all_inputs && | |
1223 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 1224 | field->application != HID_DG_PEN && |
8fe89ef0 BT |
1225 | field->application != HID_DG_TOUCHPAD && |
1226 | field->application != HID_GD_KEYBOARD && | |
e57f4e67 | 1227 | field->application != HID_GD_SYSTEM_CONTROL && |
1fbf74ef | 1228 | field->application != HID_CP_CONSUMER_CONTROL && |
957b8dff | 1229 | field->application != HID_GD_WIRELESS_RADIO_CTLS && |
ba6b055e | 1230 | field->application != HID_GD_SYSTEM_MULTIAXIS && |
957b8dff | 1231 | !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && |
3ceb3826 | 1232 | application->quirks & MT_QUIRK_ASUS_CUSTOM_UP)) |
6f492f28 | 1233 | return -1; |
a69c5f8b | 1234 | |
957b8dff JPRV |
1235 | /* |
1236 | * Some Asus keyboard+touchpad devices have the hotkeys defined in the | |
1237 | * touchpad report descriptor. We need to treat these as an array to | |
1238 | * map usages to input keys. | |
1239 | */ | |
39bbf402 | 1240 | if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && |
3ceb3826 | 1241 | application->quirks & MT_QUIRK_ASUS_CUSTOM_UP && |
957b8dff JPRV |
1242 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { |
1243 | set_bit(EV_REP, hi->input->evbit); | |
1244 | if (field->flags & HID_MAIN_ITEM_VARIABLE) | |
1245 | field->flags &= ~HID_MAIN_ITEM_VARIABLE; | |
1246 | switch (usage->hid & HID_USAGE) { | |
1247 | case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
1248 | case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; | |
1249 | case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; | |
1250 | case 0x6b: mt_map_key_clear(KEY_F21); break; | |
1251 | case 0x6c: mt_map_key_clear(KEY_SLEEP); break; | |
1252 | default: | |
1253 | return -1; | |
1254 | } | |
1255 | return 1; | |
1256 | } | |
1257 | ||
ba6b055e | 1258 | if (rdata->is_mt_collection) |
f146d1c4 BT |
1259 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max, |
1260 | application); | |
6aef704e BT |
1261 | |
1262 | /* let hid-core decide for the others */ | |
1263 | return 0; | |
a69c5f8b BT |
1264 | } |
1265 | ||
1266 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
1267 | struct hid_field *field, struct hid_usage *usage, | |
1268 | unsigned long **bit, int *max) | |
1269 | { | |
ba6b055e BT |
1270 | struct mt_device *td = hid_get_drvdata(hdev); |
1271 | struct mt_report_data *rdata; | |
fa11aa72 | 1272 | |
ba6b055e BT |
1273 | rdata = mt_find_report_data(td, field->report); |
1274 | if (rdata && rdata->is_mt_collection) { | |
4cf56a89 DT |
1275 | /* We own these mappings, tell hid-input to ignore them */ |
1276 | return -1; | |
1277 | } | |
6aef704e BT |
1278 | |
1279 | /* let hid-core decide for the others */ | |
1280 | return 0; | |
a69c5f8b BT |
1281 | } |
1282 | ||
1283 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
1284 | struct hid_usage *usage, __s32 value) | |
1285 | { | |
1286 | struct mt_device *td = hid_get_drvdata(hid); | |
8dfe14b3 | 1287 | struct mt_report_data *rdata; |
a69c5f8b | 1288 | |
8dfe14b3 BT |
1289 | rdata = mt_find_report_data(td, field->report); |
1290 | if (rdata && rdata->is_mt_collection) | |
a69c5f8b BT |
1291 | return mt_touch_event(hid, field, usage, value); |
1292 | ||
e55f6200 | 1293 | return 0; |
a69c5f8b BT |
1294 | } |
1295 | ||
1296 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
1297 | { | |
1298 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 1299 | struct hid_field *field = report->field[0]; |
8dfe14b3 | 1300 | struct mt_report_data *rdata; |
a69c5f8b BT |
1301 | |
1302 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
1303 | return; | |
1304 | ||
8dfe14b3 BT |
1305 | rdata = mt_find_report_data(td, report); |
1306 | if (rdata && rdata->is_mt_collection) | |
1307 | return mt_touch_report(hid, rdata); | |
fa11aa72 | 1308 | |
e55f6200 BT |
1309 | if (field && field->hidinput && field->hidinput->input) |
1310 | input_sync(field->hidinput->input); | |
5519cab4 BT |
1311 | } |
1312 | ||
7f81c8db BT |
1313 | static bool mt_need_to_apply_feature(struct hid_device *hdev, |
1314 | struct hid_field *field, | |
02946f4b BT |
1315 | struct hid_usage *usage, |
1316 | enum latency_mode latency, | |
1317 | bool surface_switch, | |
1318 | bool button_switch) | |
5519cab4 BT |
1319 | { |
1320 | struct mt_device *td = hid_get_drvdata(hdev); | |
da10bc25 | 1321 | struct mt_class *cls = &td->mtclass; |
7f81c8db BT |
1322 | struct hid_report *report = field->report; |
1323 | unsigned int index = usage->usage_index; | |
da10bc25 | 1324 | char *buf; |
3064a03b | 1325 | u32 report_len; |
7f81c8db | 1326 | int max; |
5519cab4 | 1327 | |
7f81c8db BT |
1328 | switch (usage->hid) { |
1329 | case HID_DG_INPUTMODE: | |
da10bc25 | 1330 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
7f81c8db BT |
1331 | report_len = hid_report_len(report); |
1332 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
da10bc25 | 1333 | if (!buf) { |
7f81c8db BT |
1334 | hid_err(hdev, |
1335 | "failed to allocate buffer for report\n"); | |
1336 | return false; | |
da10bc25 | 1337 | } |
7f81c8db | 1338 | hid_hw_raw_request(hdev, report->id, buf, report_len, |
da10bc25 MM |
1339 | HID_FEATURE_REPORT, |
1340 | HID_REQ_GET_REPORT); | |
1341 | kfree(buf); | |
1342 | } | |
5519cab4 | 1343 | |
7f81c8db BT |
1344 | field->value[index] = td->inputmode_value; |
1345 | return true; | |
31ae9bdd | 1346 | |
7f81c8db | 1347 | case HID_DG_CONTACTMAX: |
3ceb3826 | 1348 | if (cls->maxcontacts) { |
7f81c8db | 1349 | max = min_t(int, field->logical_maximum, |
3ceb3826 | 1350 | cls->maxcontacts); |
7f81c8db BT |
1351 | if (field->value[index] != max) { |
1352 | field->value[index] = max; | |
1353 | return true; | |
1354 | } | |
1355 | } | |
1356 | break; | |
02946f4b BT |
1357 | |
1358 | case HID_DG_LATENCYMODE: | |
1359 | field->value[index] = latency; | |
99c703ac | 1360 | return true; |
02946f4b BT |
1361 | |
1362 | case HID_DG_SURFACESWITCH: | |
1363 | field->value[index] = surface_switch; | |
99c703ac | 1364 | return true; |
02946f4b BT |
1365 | |
1366 | case HID_DG_BUTTONSWITCH: | |
1367 | field->value[index] = button_switch; | |
99c703ac | 1368 | return true; |
7f81c8db | 1369 | } |
31ae9bdd | 1370 | |
7f81c8db BT |
1371 | return false; /* no need to update the report */ |
1372 | } | |
31ae9bdd | 1373 | |
02946f4b BT |
1374 | static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency, |
1375 | bool surface_switch, bool button_switch) | |
7f81c8db BT |
1376 | { |
1377 | struct hid_report_enum *rep_enum; | |
1378 | struct hid_report *rep; | |
1379 | struct hid_usage *usage; | |
1380 | int i, j; | |
1381 | bool update_report; | |
1382 | ||
1383 | rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; | |
1384 | list_for_each_entry(rep, &rep_enum->report_list, list) { | |
1385 | update_report = false; | |
1386 | ||
1387 | for (i = 0; i < rep->maxfield; i++) { | |
1388 | /* Ignore if report count is out of bounds. */ | |
1389 | if (rep->field[i]->report_count < 1) | |
1390 | continue; | |
1391 | ||
1392 | for (j = 0; j < rep->field[i]->maxusage; j++) { | |
1393 | usage = &rep->field[i]->usage[j]; | |
1394 | ||
1395 | if (mt_need_to_apply_feature(hdev, | |
1396 | rep->field[i], | |
02946f4b BT |
1397 | usage, |
1398 | latency, | |
1399 | surface_switch, | |
1400 | button_switch)) | |
7f81c8db BT |
1401 | update_report = true; |
1402 | } | |
31ae9bdd | 1403 | } |
7f81c8db BT |
1404 | |
1405 | if (update_report) | |
1406 | hid_hw_request(hdev, rep, HID_REQ_SET_REPORT); | |
31ae9bdd BT |
1407 | } |
1408 | } | |
1409 | ||
f146d1c4 BT |
1410 | static void mt_post_parse_default_settings(struct mt_device *td, |
1411 | struct mt_application *app) | |
4fa3a583 | 1412 | { |
3ceb3826 | 1413 | __s32 quirks = app->quirks; |
4fa3a583 HR |
1414 | |
1415 | /* unknown serial device needs special quirks */ | |
01eaac7e | 1416 | if (list_is_singular(&app->mt_usages)) { |
4fa3a583 HR |
1417 | quirks |= MT_QUIRK_ALWAYS_VALID; |
1418 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
1419 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
1420 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 1421 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
1422 | } |
1423 | ||
3ceb3826 | 1424 | app->quirks = quirks; |
4fa3a583 HR |
1425 | } |
1426 | ||
f146d1c4 | 1427 | static void mt_post_parse(struct mt_device *td, struct mt_application *app) |
3ac36d15 | 1428 | { |
01eaac7e | 1429 | if (!app->have_contact_count) |
3ceb3826 | 1430 | app->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
1431 | } |
1432 | ||
b2c68a2f | 1433 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
1434 | { |
1435 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
1436 | char *name; |
1437 | const char *suffix = NULL; | |
40ec2603 | 1438 | unsigned int application = 0; |
8dfe14b3 | 1439 | struct mt_report_data *rdata; |
f146d1c4 | 1440 | struct mt_application *mt_application = NULL; |
40ec2603 | 1441 | struct hid_report *report; |
b2c68a2f | 1442 | int ret; |
76f5902a | 1443 | |
40ec2603 BT |
1444 | list_for_each_entry(report, &hi->reports, hidinput_list) { |
1445 | application = report->application; | |
8dfe14b3 BT |
1446 | rdata = mt_find_report_data(td, report); |
1447 | if (!rdata) { | |
1448 | hid_err(hdev, "failed to allocate data for report\n"); | |
1449 | return -ENOMEM; | |
1450 | } | |
1451 | ||
1452 | mt_application = rdata->application; | |
f146d1c4 | 1453 | |
8dfe14b3 | 1454 | if (rdata->is_mt_collection) { |
f146d1c4 BT |
1455 | ret = mt_touch_input_configured(hdev, hi, |
1456 | mt_application); | |
40ec2603 BT |
1457 | if (ret) |
1458 | return ret; | |
1459 | } | |
1460 | ||
1461 | /* | |
1462 | * some egalax touchscreens have "application == DG_TOUCHSCREEN" | |
1463 | * for the stylus. Check this first, and then rely on | |
1464 | * the application field. | |
1465 | */ | |
1466 | if (report->field[0]->physical == HID_DG_STYLUS) { | |
1467 | suffix = "Pen"; | |
1468 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1469 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1470 | } | |
b2c68a2f | 1471 | } |
76f5902a | 1472 | |
40ec2603 BT |
1473 | if (!suffix) { |
1474 | switch (application) { | |
6aef704e | 1475 | case HID_GD_KEYBOARD: |
6aef704e | 1476 | case HID_GD_KEYPAD: |
6aef704e | 1477 | case HID_GD_MOUSE: |
dc425a1c | 1478 | case HID_DG_TOUCHPAD: |
6aef704e | 1479 | case HID_GD_SYSTEM_CONTROL: |
6aef704e | 1480 | case HID_CP_CONSUMER_CONTROL: |
1fbf74ef | 1481 | case HID_GD_WIRELESS_RADIO_CTLS: |
ba6b055e | 1482 | case HID_GD_SYSTEM_MULTIAXIS: |
40ec2603 BT |
1483 | /* already handled by hid core */ |
1484 | break; | |
1485 | case HID_DG_TOUCHSCREEN: | |
1486 | /* we do not set suffix = "Touchscreen" */ | |
1487 | hi->input->name = hdev->name; | |
1488 | break; | |
1489 | case HID_DG_STYLUS: | |
1490 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1491 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
1fbf74ef | 1492 | break; |
957b8dff JPRV |
1493 | case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: |
1494 | suffix = "Custom Media Keys"; | |
1495 | break; | |
6aef704e BT |
1496 | default: |
1497 | suffix = "UNKNOWN"; | |
1498 | break; | |
1499 | } | |
c08d46aa BT |
1500 | } |
1501 | ||
1502 | if (suffix) { | |
1503 | name = devm_kzalloc(&hi->input->dev, | |
1504 | strlen(hdev->name) + strlen(suffix) + 2, | |
1505 | GFP_KERNEL); | |
1506 | if (name) { | |
1507 | sprintf(name, "%s %s", hdev->name, suffix); | |
1508 | hi->input->name = name; | |
1509 | } | |
1510 | } | |
b2c68a2f DT |
1511 | |
1512 | return 0; | |
76f5902a HR |
1513 | } |
1514 | ||
f3287a99 BT |
1515 | static void mt_fix_const_field(struct hid_field *field, unsigned int usage) |
1516 | { | |
1517 | if (field->usage[0].hid != usage || | |
1518 | !(field->flags & HID_MAIN_ITEM_CONSTANT)) | |
1519 | return; | |
1520 | ||
1521 | field->flags &= ~HID_MAIN_ITEM_CONSTANT; | |
1522 | field->flags |= HID_MAIN_ITEM_VARIABLE; | |
1523 | } | |
1524 | ||
1525 | static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) | |
1526 | { | |
1527 | struct hid_report *report; | |
1528 | int i; | |
1529 | ||
1530 | list_for_each_entry(report, | |
1531 | &hdev->report_enum[HID_INPUT_REPORT].report_list, | |
1532 | list) { | |
1533 | ||
1534 | if (!report->maxfield) | |
1535 | continue; | |
1536 | ||
1537 | for (i = 0; i < report->maxfield; i++) | |
1538 | if (report->field[i]->maxusage >= 1) | |
1539 | mt_fix_const_field(report->field[i], usage); | |
1540 | } | |
1541 | } | |
1542 | ||
4f4001bc BT |
1543 | static void mt_release_contacts(struct hid_device *hid) |
1544 | { | |
1545 | struct hid_input *hidinput; | |
f146d1c4 | 1546 | struct mt_application *application; |
4f4001bc BT |
1547 | struct mt_device *td = hid_get_drvdata(hid); |
1548 | ||
1549 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1550 | struct input_dev *input_dev = hidinput->input; | |
1551 | struct input_mt *mt = input_dev->mt; | |
1552 | int i; | |
1553 | ||
1554 | if (mt) { | |
1555 | for (i = 0; i < mt->num_slots; i++) { | |
1556 | input_mt_slot(input_dev, i); | |
1557 | input_mt_report_slot_state(input_dev, | |
1558 | MT_TOOL_FINGER, | |
1559 | false); | |
1560 | } | |
1561 | input_mt_sync_frame(input_dev); | |
1562 | input_sync(input_dev); | |
1563 | } | |
1564 | } | |
1565 | ||
f146d1c4 BT |
1566 | list_for_each_entry(application, &td->applications, list) { |
1567 | application->num_received = 0; | |
1568 | } | |
4f4001bc BT |
1569 | } |
1570 | ||
0ee32774 | 1571 | static void mt_expired_timeout(struct timer_list *t) |
4f4001bc | 1572 | { |
0ee32774 KC |
1573 | struct mt_device *td = from_timer(td, t, release_timer); |
1574 | struct hid_device *hdev = td->hdev; | |
4f4001bc BT |
1575 | |
1576 | /* | |
1577 | * An input report came in just before we release the sticky fingers, | |
1578 | * it will take care of the sticky fingers. | |
1579 | */ | |
1580 | if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) | |
1581 | return; | |
96098274 BT |
1582 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1583 | mt_release_contacts(hdev); | |
4f4001bc BT |
1584 | clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); |
1585 | } | |
1586 | ||
5519cab4 BT |
1587 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1588 | { | |
2d93666e | 1589 | int ret, i; |
5519cab4 | 1590 | struct mt_device *td; |
cf6d15d7 | 1591 | const struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
2d93666e | 1592 | |
94b5485c HR |
1593 | for (i = 0; mt_classes[i].name ; i++) { |
1594 | if (id->driver_data == mt_classes[i].name) { | |
1595 | mtclass = &(mt_classes[i]); | |
1596 | break; | |
2d93666e BT |
1597 | } |
1598 | } | |
5519cab4 | 1599 | |
c08d46aa | 1600 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1601 | if (!td) { |
1602 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1603 | return -ENOMEM; | |
1604 | } | |
0ee32774 | 1605 | td->hdev = hdev; |
eec29e3d | 1606 | td->mtclass = *mtclass; |
9abebedb | 1607 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
5519cab4 BT |
1608 | hid_set_drvdata(hdev, td); |
1609 | ||
f146d1c4 | 1610 | INIT_LIST_HEAD(&td->applications); |
8dfe14b3 | 1611 | INIT_LIST_HEAD(&td->reports); |
f146d1c4 | 1612 | |
76f5902a HR |
1613 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1614 | td->serial_maybe = true; | |
1615 | ||
b897f6db BT |
1616 | /* This allows the driver to correctly support devices |
1617 | * that emit events over several HID messages. | |
1618 | */ | |
1619 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
1620 | ||
1621 | /* | |
1622 | * This allows the driver to handle different input sensors | |
40ec2603 | 1623 | * that emits events through different applications on the same HID |
b897f6db BT |
1624 | * device. |
1625 | */ | |
40ec2603 | 1626 | hdev->quirks |= HID_QUIRK_INPUT_PER_APP; |
b897f6db | 1627 | |
0ee32774 | 1628 | timer_setup(&td->release_timer, mt_expired_timeout, 0); |
4f4001bc | 1629 | |
5519cab4 BT |
1630 | ret = hid_parse(hdev); |
1631 | if (ret != 0) | |
c08d46aa | 1632 | return ret; |
5519cab4 | 1633 | |
f3287a99 BT |
1634 | if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) |
1635 | mt_fix_const_fields(hdev, HID_DG_CONTACTID); | |
1636 | ||
5519cab4 | 1637 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
2d93666e | 1638 | if (ret) |
c08d46aa | 1639 | return ret; |
5519cab4 | 1640 | |
eec29e3d | 1641 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1642 | if (ret) |
1643 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1644 | hdev->name); | |
eec29e3d | 1645 | |
02946f4b | 1646 | mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); |
5519cab4 BT |
1647 | |
1648 | return 0; | |
5519cab4 BT |
1649 | } |
1650 | ||
1651 | #ifdef CONFIG_PM | |
1652 | static int mt_reset_resume(struct hid_device *hdev) | |
1653 | { | |
d3e69b9a | 1654 | mt_release_contacts(hdev); |
02946f4b | 1655 | mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); |
5519cab4 BT |
1656 | return 0; |
1657 | } | |
dfeefd10 SL |
1658 | |
1659 | static int mt_resume(struct hid_device *hdev) | |
1660 | { | |
dfeefd10 SL |
1661 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1662 | * It should be safe to send it to other devices too. | |
1663 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1664 | ||
4ba25d3f | 1665 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 SL |
1666 | |
1667 | return 0; | |
1668 | } | |
5519cab4 BT |
1669 | #endif |
1670 | ||
1671 | static void mt_remove(struct hid_device *hdev) | |
1672 | { | |
b897f6db BT |
1673 | struct mt_device *td = hid_get_drvdata(hdev); |
1674 | ||
4f4001bc BT |
1675 | del_timer_sync(&td->release_timer); |
1676 | ||
eec29e3d | 1677 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1678 | hid_hw_stop(hdev); |
5519cab4 BT |
1679 | } |
1680 | ||
0fa9c616 BT |
1681 | /* |
1682 | * This list contains only: | |
1683 | * - VID/PID of products not working with the default multitouch handling | |
1684 | * - 2 generic rules. | |
1685 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1686 | */ | |
5519cab4 BT |
1687 | static const struct hid_device_id mt_devices[] = { |
1688 | ||
f786bba4 BT |
1689 | /* 3M panels */ |
1690 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1691 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1692 | USB_DEVICE_ID_3M1968) }, |
1693 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1694 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1695 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1696 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1697 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1698 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1699 | |
504c932c MO |
1700 | /* Alps devices */ |
1701 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1702 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1703 | USB_VENDOR_ID_ALPS_JP, | |
1704 | HID_DEVICE_ID_ALPS_U1_DUAL_PTP) }, | |
1705 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1706 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1707 | USB_VENDOR_ID_ALPS_JP, | |
1708 | HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) }, | |
1709 | ||
56d859e1 PT |
1710 | /* Lenovo X1 TAB Gen 2 */ |
1711 | { .driver_data = MT_CLS_WIN_8_DUAL, | |
1712 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1713 | USB_VENDOR_ID_LENOVO, | |
1714 | USB_DEVICE_ID_LENOVO_X1_TAB) }, | |
1715 | ||
6aef704e BT |
1716 | /* Anton devices */ |
1717 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1718 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1719 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1720 | |
957b8dff JPRV |
1721 | /* Asus T304UA */ |
1722 | { .driver_data = MT_CLS_ASUS, | |
1723 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1724 | USB_VENDOR_ID_ASUSTEK, | |
1725 | USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, | |
1726 | ||
b1057124 | 1727 | /* Atmel panels */ |
841cb157 | 1728 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1729 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1730 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1731 | |
9ed32695 | 1732 | /* Baanto multitouch devices */ |
dc3e1d80 | 1733 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1734 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1735 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1736 | |
a841b62c BT |
1737 | /* Cando panels */ |
1738 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1739 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1740 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1741 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1742 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1743 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1744 | ||
942fd422 | 1745 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1746 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1747 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1748 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1749 | ||
070f63b4 YB |
1750 | /* CJTouch panels */ |
1751 | { .driver_data = MT_CLS_NSMU, | |
1752 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1753 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1754 | { .driver_data = MT_CLS_NSMU, | |
1755 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1756 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1757 | ||
79603dc9 | 1758 | /* CVTouch panels */ |
dc3e1d80 | 1759 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1760 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1761 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1762 | ||
22408283 | 1763 | /* eGalax devices (resistive) */ |
e36f690b | 1764 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1765 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1766 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1767 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1768 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1769 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1770 | |
1771 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1772 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1773 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1774 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1775 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1776 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1777 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1778 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1779 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1780 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1781 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1782 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1783 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1784 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1785 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1786 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1787 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1788 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1789 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1790 | { .driver_data = MT_CLS_EGALAX, |
1791 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1792 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1793 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1794 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1795 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1796 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1797 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1798 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1799 | { .driver_data = MT_CLS_EGALAX, |
1800 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1801 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1802 | { .driver_data = MT_CLS_EGALAX, | |
1803 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1804 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1805 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1806 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1807 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1808 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1809 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1810 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1811 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1812 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1813 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1814 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1815 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1816 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1817 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1818 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1819 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
22408283 | 1820 | |
7c7606a2 TS |
1821 | /* Elitegroup panel */ |
1822 | { .driver_data = MT_CLS_SERIAL, | |
1823 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
1824 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
1825 | ||
77723e3b HR |
1826 | /* Flatfrog Panels */ |
1827 | { .driver_data = MT_CLS_FLATFROG, | |
1828 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
1829 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
1830 | ||
3db187e7 BT |
1831 | /* FocalTech Panels */ |
1832 | { .driver_data = MT_CLS_SERIAL, | |
1833 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
1834 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
1835 | ||
5572da08 | 1836 | /* GeneralTouch panel */ |
f5ff4e1e | 1837 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 1838 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 1839 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
1840 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1841 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1842 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
1843 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1844 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1845 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
1846 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1847 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1848 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
1849 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1850 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1851 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
1852 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1853 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1854 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
1855 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
1856 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
1857 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 1858 | |
4d5df5d1 | 1859 | /* Gametel game controller */ |
dc3e1d80 | 1860 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1861 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
1862 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1863 | ||
ee0fbd14 | 1864 | /* GoodTouch panels */ |
dc3e1d80 | 1865 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1866 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
1867 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1868 | ||
54580365 BT |
1869 | /* Hanvon panels */ |
1870 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 1871 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
1872 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1873 | ||
4e61f0d7 | 1874 | /* Ilitek dual touch panel */ |
dc3e1d80 | 1875 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1876 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
1877 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1878 | ||
f3287a99 BT |
1879 | /* LG Melfas panel */ |
1880 | { .driver_data = MT_CLS_LG, | |
1881 | HID_USB_DEVICE(USB_VENDOR_ID_LG, | |
1882 | USB_DEVICE_ID_LG_MELFAS_MT) }, | |
1883 | ||
4a6ee685 BT |
1884 | /* MosArt panels */ |
1885 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1886 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1887 | USB_DEVICE_ID_ASUS_T91MT)}, |
1888 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1889 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
1890 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1891 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 1892 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
1893 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1894 | ||
4db703ea | 1895 | /* Novatek Panel */ |
dc3e1d80 | 1896 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 1897 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
1898 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1899 | ||
a80e803a BT |
1900 | /* Ntrig Panel */ |
1901 | { .driver_data = MT_CLS_NSMU, | |
1902 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1903 | USB_VENDOR_ID_NTRIG, 0x1b05) }, | |
1904 | ||
fb55b402 HG |
1905 | /* Panasonic panels */ |
1906 | { .driver_data = MT_CLS_PANASONIC, | |
1907 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
1908 | USB_DEVICE_ID_PANABOARD_UBT780) }, | |
1909 | { .driver_data = MT_CLS_PANASONIC, | |
1910 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
1911 | USB_DEVICE_ID_PANABOARD_UBT880) }, | |
1912 | ||
b7ea95ff AT |
1913 | /* PixArt optical touch screen */ |
1914 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1915 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1916 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1917 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1918 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1919 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1920 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1921 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
1922 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1923 | ||
5519cab4 | 1924 | /* PixCir-based panels */ |
1e9cf35b | 1925 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 1926 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
1927 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1928 | ||
5e7ea11f | 1929 | /* Quanta-based panels */ |
5e7ea11f | 1930 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 1931 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 1932 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 1933 | |
843e475f BT |
1934 | /* Razer touchpads */ |
1935 | { .driver_data = MT_CLS_RAZER_BLADE_STEALTH, | |
1936 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1937 | USB_VENDOR_ID_SYNAPTICS, 0x8323) }, | |
1938 | ||
043b403a | 1939 | /* Stantum panels */ |
bf5af9b5 | 1940 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 1941 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 1942 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 1943 | |
847672cd BT |
1944 | /* TopSeed panels */ |
1945 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 1946 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
1947 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1948 | ||
5e74e56d | 1949 | /* Touch International panels */ |
dc3e1d80 | 1950 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1951 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
1952 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1953 | ||
617b64f9 | 1954 | /* Unitec panels */ |
dc3e1d80 | 1955 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1956 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1957 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 1958 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1959 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 1960 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 1961 | |
da10bc25 MM |
1962 | /* VTL panels */ |
1963 | { .driver_data = MT_CLS_VTL, | |
1964 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
1965 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
1966 | ||
bf9d121e KC |
1967 | /* Wistron panels */ |
1968 | { .driver_data = MT_CLS_NSMU, | |
1969 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
1970 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
1971 | ||
bc8a2a9b | 1972 | /* XAT */ |
dc3e1d80 | 1973 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1974 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 1975 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 1976 | |
11576c61 | 1977 | /* Xiroku */ |
dc3e1d80 | 1978 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1979 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1980 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 1981 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1982 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1983 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 1984 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1985 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1986 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 1987 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1988 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1989 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 1990 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1991 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1992 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 1993 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1994 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1995 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 1996 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1997 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 1998 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 1999 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2000 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2001 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 2002 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2003 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
2004 | USB_DEVICE_ID_XIROKU_CSR2) }, |
2005 | ||
0e82232c WNH |
2006 | /* Google MT devices */ |
2007 | { .driver_data = MT_CLS_GOOGLE, | |
2008 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, | |
2009 | USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, | |
2010 | ||
4fa3a583 HR |
2011 | /* Generic MT device */ |
2012 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
2013 | |
2014 | /* Generic Win 8 certified MT device */ | |
2015 | { .driver_data = MT_CLS_WIN_8, | |
2016 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
2017 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
2018 | { } |
2019 | }; | |
2020 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
2021 | ||
2022 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
2023 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
2024 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
2025 | }; | |
2026 | ||
2027 | static struct hid_driver mt_driver = { | |
2028 | .name = "hid-multitouch", | |
2029 | .id_table = mt_devices, | |
2030 | .probe = mt_probe, | |
2031 | .remove = mt_remove, | |
2032 | .input_mapping = mt_input_mapping, | |
2033 | .input_mapped = mt_input_mapped, | |
76f5902a | 2034 | .input_configured = mt_input_configured, |
5519cab4 BT |
2035 | .feature_mapping = mt_feature_mapping, |
2036 | .usage_table = mt_grabbed_usages, | |
2037 | .event = mt_event, | |
55978fa9 | 2038 | .report = mt_report, |
5519cab4 BT |
2039 | #ifdef CONFIG_PM |
2040 | .reset_resume = mt_reset_resume, | |
dfeefd10 | 2041 | .resume = mt_resume, |
5519cab4 BT |
2042 | #endif |
2043 | }; | |
f425458e | 2044 | module_hid_driver(mt_driver); |