Commit | Line | Data |
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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
5519cab4 BT |
2 | /* |
3 | * HID driver for multitouch panels | |
4 | * | |
c2ef8f21 | 5 | * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> |
b0a78681 | 6 | * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com> |
c2ef8f21 | 7 | * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France |
b0a78681 | 8 | * Copyright (c) 2012-2013 Red Hat, Inc |
5519cab4 | 9 | * |
4875ac11 RN |
10 | * This code is partly based on hid-egalax.c: |
11 | * | |
12 | * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> | |
13 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> | |
14 | * Copyright (c) 2010 Canonical, Ltd. | |
15 | * | |
f786bba4 BT |
16 | * This code is partly based on hid-3m-pct.c: |
17 | * | |
18 | * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> | |
19 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> | |
20 | * Copyright (c) 2010 Canonical, Ltd. | |
5519cab4 BT |
21 | */ |
22 | ||
23 | /* | |
5519cab4 BT |
24 | */ |
25 | ||
b0a78681 | 26 | /* |
f146d1c4 | 27 | * This driver is regularly tested thanks to the test suite in hid-tools[1]. |
b0a78681 BT |
28 | * Please run these regression tests before patching this module so that |
29 | * your patch won't break existing known devices. | |
30 | * | |
f146d1c4 | 31 | * [1] https://gitlab.freedesktop.org/libevdev/hid-tools |
b0a78681 BT |
32 | */ |
33 | ||
5519cab4 BT |
34 | #include <linux/device.h> |
35 | #include <linux/hid.h> | |
36 | #include <linux/module.h> | |
37 | #include <linux/slab.h> | |
5519cab4 | 38 | #include <linux/input/mt.h> |
29cc309d | 39 | #include <linux/jiffies.h> |
49a5a827 | 40 | #include <linux/string.h> |
4f4001bc | 41 | #include <linux/timer.h> |
5519cab4 BT |
42 | |
43 | ||
44 | MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); | |
ef2fafb3 | 45 | MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); |
5519cab4 BT |
46 | MODULE_DESCRIPTION("HID multitouch panels"); |
47 | MODULE_LICENSE("GPL"); | |
48 | ||
49 | #include "hid-ids.h" | |
50 | ||
51 | /* quirks to control the device */ | |
fd911896 BT |
52 | #define MT_QUIRK_NOT_SEEN_MEANS_UP BIT(0) |
53 | #define MT_QUIRK_SLOT_IS_CONTACTID BIT(1) | |
54 | #define MT_QUIRK_CYPRESS BIT(2) | |
55 | #define MT_QUIRK_SLOT_IS_CONTACTNUMBER BIT(3) | |
56 | #define MT_QUIRK_ALWAYS_VALID BIT(4) | |
57 | #define MT_QUIRK_VALID_IS_INRANGE BIT(5) | |
58 | #define MT_QUIRK_VALID_IS_CONFIDENCE BIT(6) | |
59 | #define MT_QUIRK_CONFIDENCE BIT(7) | |
60 | #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE BIT(8) | |
61 | #define MT_QUIRK_NO_AREA BIT(9) | |
62 | #define MT_QUIRK_IGNORE_DUPLICATES BIT(10) | |
63 | #define MT_QUIRK_HOVERING BIT(11) | |
64 | #define MT_QUIRK_CONTACT_CNT_ACCURATE BIT(12) | |
65 | #define MT_QUIRK_FORCE_GET_FEATURE BIT(13) | |
66 | #define MT_QUIRK_FIX_CONST_CONTACT_ID BIT(14) | |
67 | #define MT_QUIRK_TOUCH_SIZE_SCALING BIT(15) | |
4f4001bc | 68 | #define MT_QUIRK_STICKY_FINGERS BIT(16) |
957b8dff | 69 | #define MT_QUIRK_ASUS_CUSTOM_UP BIT(17) |
d9c57a70 | 70 | #define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18) |
69ecd44d | 71 | #define MT_QUIRK_SEPARATE_APP_REPORT BIT(19) |
40d5bb87 | 72 | #define MT_QUIRK_FORCE_MULTI_INPUT BIT(20) |
31a4cf1d | 73 | #define MT_QUIRK_DISABLE_WAKEUP BIT(21) |
a2f416bf | 74 | #define MT_QUIRK_ORIENTATION_INVERT BIT(22) |
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; | |
69ecd44d | 110 | unsigned int report_id; |
01eaac7e | 111 | struct list_head mt_usages; /* mt usages list */ |
3ceb3826 BT |
112 | |
113 | __s32 quirks; | |
114 | ||
01eaac7e BT |
115 | __s32 *scantime; /* scantime reported */ |
116 | __s32 scantime_logical_max; /* max value for raw scantime */ | |
f146d1c4 | 117 | |
01eaac7e | 118 | __s32 *raw_cc; /* contact count in the report */ |
f146d1c4 BT |
119 | int left_button_state; /* left button state */ |
120 | unsigned int mt_flags; /* flags to pass to input-mt */ | |
121 | ||
28a042a3 DT |
122 | unsigned long *pending_palm_slots; /* slots where we reported palm |
123 | * and need to release */ | |
124 | ||
f146d1c4 BT |
125 | __u8 num_received; /* how many contacts we received */ |
126 | __u8 num_expected; /* expected last contact index */ | |
127 | __u8 buttons_count; /* number of physical buttons per touchpad */ | |
128 | __u8 touches_by_report; /* how many touches are present in one report: | |
129 | * 1 means we should use a serial protocol | |
130 | * > 1 means hybrid (multitouch) protocol | |
131 | */ | |
132 | ||
133 | __s32 dev_time; /* the scan time provided by the device */ | |
134 | unsigned long jiffies; /* the frame's jiffies */ | |
135 | int timestamp; /* the timestamp to be sent */ | |
136 | int prev_scantime; /* scantime reported previously */ | |
137 | ||
138 | bool have_contact_count; | |
139 | }; | |
140 | ||
eec29e3d BT |
141 | struct mt_class { |
142 | __s32 name; /* MT_CLS */ | |
143 | __s32 quirks; | |
144 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
145 | __s32 sn_width; /* Signal/noise ratio for width events */ | |
146 | __s32 sn_height; /* Signal/noise ratio for height events */ | |
147 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
148 | __u8 maxcontacts; | |
c2ef8f21 | 149 | bool is_indirect; /* true for touchpads */ |
6aef704e | 150 | bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ |
eec29e3d BT |
151 | }; |
152 | ||
8dfe14b3 BT |
153 | struct mt_report_data { |
154 | struct list_head list; | |
155 | struct hid_report *report; | |
156 | struct mt_application *application; | |
157 | bool is_mt_collection; | |
158 | }; | |
159 | ||
5519cab4 | 160 | struct mt_device { |
eec29e3d | 161 | struct mt_class mtclass; /* our mt device class */ |
4f4001bc | 162 | struct timer_list release_timer; /* to release sticky fingers */ |
0ee32774 | 163 | struct hid_device *hdev; /* hid_device we're attached to */ |
4f4001bc | 164 | unsigned long mt_io_flags; /* mt flags (MT_IO_FLAGS_*) */ |
7f81c8db | 165 | __u8 inputmode_value; /* InputMode HID feature value */ |
9498f954 | 166 | __u8 maxcontacts; |
2c6e0277 | 167 | bool is_buttonpad; /* is this device a button pad? */ |
76f5902a | 168 | bool serial_maybe; /* need to check for serial protocol */ |
f146d1c4 BT |
169 | |
170 | struct list_head applications; | |
8dfe14b3 | 171 | struct list_head reports; |
5519cab4 BT |
172 | }; |
173 | ||
f146d1c4 BT |
174 | static void mt_post_parse_default_settings(struct mt_device *td, |
175 | struct mt_application *app); | |
176 | static void mt_post_parse(struct mt_device *td, struct mt_application *app); | |
a69c5f8b | 177 | |
5519cab4 | 178 | /* classes of device behavior */ |
22408283 BT |
179 | #define MT_CLS_DEFAULT 0x0001 |
180 | ||
a062cc5a SC |
181 | #define MT_CLS_SERIAL 0x0002 |
182 | #define MT_CLS_CONFIDENCE 0x0003 | |
5e7ea11f BT |
183 | #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
184 | #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 | |
185 | #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 | |
186 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 | |
0fa9c616 | 187 | /* reserved 0x0008 */ |
b7ea95ff | 188 | #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
dc3e1d80 | 189 | #define MT_CLS_NSMU 0x000a |
0fa9c616 BT |
190 | /* reserved 0x0010 */ |
191 | /* reserved 0x0011 */ | |
f961bd35 | 192 | #define MT_CLS_WIN_8 0x0012 |
6aef704e | 193 | #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 |
27a6f701 | 194 | /* reserved 0x0014 */ |
40d5bb87 | 195 | #define MT_CLS_WIN_8_FORCE_MULTI_INPUT 0x0015 |
31a4cf1d | 196 | #define MT_CLS_WIN_8_DISABLE_WAKEUP 0x0016 |
08b9a61a | 197 | #define MT_CLS_WIN_8_NO_STICKY_FINGERS 0x0017 |
54eed5c7 | 198 | #define MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU 0x0018 |
22408283 BT |
199 | |
200 | /* vendor specific classes */ | |
201 | #define MT_CLS_3M 0x0101 | |
0fa9c616 | 202 | /* reserved 0x0102 */ |
22408283 | 203 | #define MT_CLS_EGALAX 0x0103 |
1b723e8d | 204 | #define MT_CLS_EGALAX_SERIAL 0x0104 |
847672cd | 205 | #define MT_CLS_TOPSEED 0x0105 |
2258e863 | 206 | #define MT_CLS_PANASONIC 0x0106 |
77723e3b | 207 | #define MT_CLS_FLATFROG 0x0107 |
cdcd3ac4 JK |
208 | #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
209 | #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 | |
f3287a99 | 210 | #define MT_CLS_LG 0x010a |
957b8dff | 211 | #define MT_CLS_ASUS 0x010b |
da10bc25 | 212 | #define MT_CLS_VTL 0x0110 |
0e82232c | 213 | #define MT_CLS_GOOGLE 0x0111 |
843e475f | 214 | #define MT_CLS_RAZER_BLADE_STEALTH 0x0112 |
69ecd44d | 215 | #define MT_CLS_SMART_TECH 0x0113 |
5519cab4 | 216 | |
9498f954 | 217 | #define MT_DEFAULT_MAXCONTACT 10 |
afbcb04c | 218 | #define MT_MAX_MAXCONTACT 250 |
9498f954 | 219 | |
29cc309d NB |
220 | /* |
221 | * Resync device and local timestamps after that many microseconds without | |
222 | * receiving data. | |
223 | */ | |
224 | #define MAX_TIMESTAMP_INTERVAL 1000000 | |
225 | ||
2c2110e9 HR |
226 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
227 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) | |
228 | ||
5519cab4 BT |
229 | /* |
230 | * these device-dependent functions determine what slot corresponds | |
231 | * to a valid contact that was just read. | |
232 | */ | |
233 | ||
01eaac7e BT |
234 | static int cypress_compute_slot(struct mt_application *application, |
235 | struct mt_usages *slot) | |
a3b5e577 | 236 | { |
01eaac7e BT |
237 | if (*slot->contactid != 0 || application->num_received == 0) |
238 | return *slot->contactid; | |
a3b5e577 BT |
239 | else |
240 | return -1; | |
241 | } | |
242 | ||
cf6d15d7 | 243 | static const struct mt_class mt_classes[] = { |
2d93666e | 244 | { .name = MT_CLS_DEFAULT, |
dc3e1d80 BT |
245 | .quirks = MT_QUIRK_ALWAYS_VALID | |
246 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
247 | { .name = MT_CLS_NSMU, | |
9498f954 | 248 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
a062cc5a SC |
249 | { .name = MT_CLS_SERIAL, |
250 | .quirks = MT_QUIRK_ALWAYS_VALID}, | |
22408283 BT |
251 | { .name = MT_CLS_CONFIDENCE, |
252 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, | |
5e7ea11f BT |
253 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
254 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
255 | MT_QUIRK_SLOT_IS_CONTACTID }, | |
22408283 BT |
256 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
257 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
258 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, | |
1e9cf35b | 259 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
260 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
261 | MT_QUIRK_SLOT_IS_CONTACTID, | |
262 | .maxcontacts = 2 }, | |
1e9cf35b | 263 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
264 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
265 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
266 | .maxcontacts = 2 }, | |
b7ea95ff AT |
267 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
268 | .quirks = MT_QUIRK_VALID_IS_INRANGE | | |
269 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, | |
f961bd35 BT |
270 | { .name = MT_CLS_WIN_8, |
271 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
272 | MT_QUIRK_IGNORE_DUPLICATES | | |
273 | MT_QUIRK_HOVERING | | |
4f4001bc | 274 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
d9c57a70 | 275 | MT_QUIRK_STICKY_FINGERS | |
c23e2043 BT |
276 | MT_QUIRK_WIN8_PTP_BUTTONS, |
277 | .export_all_inputs = true }, | |
6aef704e BT |
278 | { .name = MT_CLS_EXPORT_ALL_INPUTS, |
279 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
280 | MT_QUIRK_CONTACT_CNT_ACCURATE, | |
281 | .export_all_inputs = true }, | |
40d5bb87 BT |
282 | { .name = MT_CLS_WIN_8_FORCE_MULTI_INPUT, |
283 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
284 | MT_QUIRK_IGNORE_DUPLICATES | | |
285 | MT_QUIRK_HOVERING | | |
286 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
287 | MT_QUIRK_STICKY_FINGERS | | |
288 | MT_QUIRK_WIN8_PTP_BUTTONS | | |
289 | MT_QUIRK_FORCE_MULTI_INPUT, | |
290 | .export_all_inputs = true }, | |
54eed5c7 TJ |
291 | { .name = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, |
292 | .quirks = MT_QUIRK_IGNORE_DUPLICATES | | |
293 | MT_QUIRK_HOVERING | | |
294 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
295 | MT_QUIRK_STICKY_FINGERS | | |
296 | MT_QUIRK_WIN8_PTP_BUTTONS | | |
297 | MT_QUIRK_FORCE_MULTI_INPUT | | |
298 | MT_QUIRK_NOT_SEEN_MEANS_UP, | |
299 | .export_all_inputs = true }, | |
31a4cf1d HG |
300 | { .name = MT_CLS_WIN_8_DISABLE_WAKEUP, |
301 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
302 | MT_QUIRK_IGNORE_DUPLICATES | | |
303 | MT_QUIRK_HOVERING | | |
304 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
305 | MT_QUIRK_STICKY_FINGERS | | |
306 | MT_QUIRK_WIN8_PTP_BUTTONS | | |
307 | MT_QUIRK_DISABLE_WAKEUP, | |
308 | .export_all_inputs = true }, | |
08b9a61a JE |
309 | { .name = MT_CLS_WIN_8_NO_STICKY_FINGERS, |
310 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
311 | MT_QUIRK_IGNORE_DUPLICATES | | |
312 | MT_QUIRK_HOVERING | | |
313 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
314 | MT_QUIRK_WIN8_PTP_BUTTONS, | |
315 | .export_all_inputs = true }, | |
22408283 BT |
316 | |
317 | /* | |
318 | * vendor specific classes | |
319 | */ | |
320 | { .name = MT_CLS_3M, | |
321 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | | |
e9d0a26d HC |
322 | MT_QUIRK_SLOT_IS_CONTACTID | |
323 | MT_QUIRK_TOUCH_SIZE_SCALING, | |
22408283 BT |
324 | .sn_move = 2048, |
325 | .sn_width = 128, | |
c5d40be5 HR |
326 | .sn_height = 128, |
327 | .maxcontacts = 60, | |
328 | }, | |
4875ac11 RN |
329 | { .name = MT_CLS_EGALAX, |
330 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
2261bb9f | 331 | MT_QUIRK_VALID_IS_INRANGE, |
4875ac11 RN |
332 | .sn_move = 4096, |
333 | .sn_pressure = 32, | |
334 | }, | |
1b723e8d BT |
335 | { .name = MT_CLS_EGALAX_SERIAL, |
336 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
337 | MT_QUIRK_ALWAYS_VALID, | |
4875ac11 RN |
338 | .sn_move = 4096, |
339 | .sn_pressure = 32, | |
340 | }, | |
847672cd BT |
341 | { .name = MT_CLS_TOPSEED, |
342 | .quirks = MT_QUIRK_ALWAYS_VALID, | |
343 | .is_indirect = true, | |
344 | .maxcontacts = 2, | |
345 | }, | |
2258e863 DK |
346 | { .name = MT_CLS_PANASONIC, |
347 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, | |
348 | .maxcontacts = 4 }, | |
f5ff4e1e XY |
349 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
350 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
351 | MT_QUIRK_VALID_IS_INRANGE | | |
7b226292 | 352 | MT_QUIRK_SLOT_IS_CONTACTID, |
f5ff4e1e XY |
353 | .maxcontacts = 2 |
354 | }, | |
355 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
356 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
7b226292 | 357 | MT_QUIRK_SLOT_IS_CONTACTID |
f5ff4e1e | 358 | }, |
043b403a | 359 | |
77723e3b HR |
360 | { .name = MT_CLS_FLATFROG, |
361 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
362 | MT_QUIRK_NO_AREA, | |
363 | .sn_move = 2048, | |
364 | .maxcontacts = 40, | |
365 | }, | |
f3287a99 BT |
366 | { .name = MT_CLS_LG, |
367 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
368 | MT_QUIRK_FIX_CONST_CONTACT_ID | | |
369 | MT_QUIRK_IGNORE_DUPLICATES | | |
370 | MT_QUIRK_HOVERING | | |
371 | MT_QUIRK_CONTACT_CNT_ACCURATE }, | |
957b8dff JPRV |
372 | { .name = MT_CLS_ASUS, |
373 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
374 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
375 | MT_QUIRK_ASUS_CUSTOM_UP }, | |
da10bc25 MM |
376 | { .name = MT_CLS_VTL, |
377 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
378 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
379 | MT_QUIRK_FORCE_GET_FEATURE, | |
380 | }, | |
0e82232c WNH |
381 | { .name = MT_CLS_GOOGLE, |
382 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
383 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
384 | MT_QUIRK_SLOT_IS_CONTACTID | | |
385 | MT_QUIRK_HOVERING | |
386 | }, | |
843e475f BT |
387 | { .name = MT_CLS_RAZER_BLADE_STEALTH, |
388 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
389 | MT_QUIRK_IGNORE_DUPLICATES | | |
390 | MT_QUIRK_HOVERING | | |
391 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
392 | MT_QUIRK_WIN8_PTP_BUTTONS, | |
393 | }, | |
69ecd44d BT |
394 | { .name = MT_CLS_SMART_TECH, |
395 | .quirks = MT_QUIRK_ALWAYS_VALID | | |
396 | MT_QUIRK_IGNORE_DUPLICATES | | |
397 | MT_QUIRK_CONTACT_CNT_ACCURATE | | |
398 | MT_QUIRK_SEPARATE_APP_REPORT, | |
399 | }, | |
2d93666e | 400 | { } |
5519cab4 BT |
401 | }; |
402 | ||
eec29e3d BT |
403 | static ssize_t mt_show_quirks(struct device *dev, |
404 | struct device_attribute *attr, | |
405 | char *buf) | |
406 | { | |
ee79a8f8 | 407 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d BT |
408 | struct mt_device *td = hid_get_drvdata(hdev); |
409 | ||
410 | return sprintf(buf, "%u\n", td->mtclass.quirks); | |
411 | } | |
412 | ||
413 | static ssize_t mt_set_quirks(struct device *dev, | |
414 | struct device_attribute *attr, | |
415 | const char *buf, size_t count) | |
416 | { | |
ee79a8f8 | 417 | struct hid_device *hdev = to_hid_device(dev); |
eec29e3d | 418 | struct mt_device *td = hid_get_drvdata(hdev); |
f146d1c4 | 419 | struct mt_application *application; |
eec29e3d BT |
420 | |
421 | unsigned long val; | |
422 | ||
423 | if (kstrtoul(buf, 0, &val)) | |
424 | return -EINVAL; | |
425 | ||
426 | td->mtclass.quirks = val; | |
427 | ||
f146d1c4 | 428 | list_for_each_entry(application, &td->applications, list) { |
3ceb3826 BT |
429 | application->quirks = val; |
430 | if (!application->have_contact_count) | |
431 | application->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; | |
f146d1c4 BT |
432 | } |
433 | ||
eec29e3d BT |
434 | return count; |
435 | } | |
436 | ||
437 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); | |
438 | ||
439 | static struct attribute *sysfs_attrs[] = { | |
440 | &dev_attr_quirks.attr, | |
441 | NULL | |
442 | }; | |
443 | ||
9182fb98 | 444 | static const struct attribute_group mt_attribute_group = { |
eec29e3d BT |
445 | .attrs = sysfs_attrs |
446 | }; | |
447 | ||
6d4f5440 MW |
448 | static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) |
449 | { | |
3064a03b AM |
450 | int ret; |
451 | u32 size = hid_report_len(report); | |
6d4f5440 MW |
452 | u8 *buf; |
453 | ||
454 | /* | |
b897f6db BT |
455 | * Do not fetch the feature report if the device has been explicitly |
456 | * marked as non-capable. | |
6d4f5440 | 457 | */ |
adaabbf4 | 458 | if (hdev->quirks & HID_QUIRK_NO_INIT_REPORTS) |
6d4f5440 MW |
459 | return; |
460 | ||
461 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
462 | if (!buf) | |
463 | return; | |
464 | ||
465 | ret = hid_hw_raw_request(hdev, report->id, buf, size, | |
466 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
467 | if (ret < 0) { | |
468 | dev_warn(&hdev->dev, "failed to fetch feature %d\n", | |
469 | report->id); | |
470 | } else { | |
471 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, | |
472 | size, 0); | |
473 | if (ret) | |
474 | dev_warn(&hdev->dev, "failed to report feature\n"); | |
475 | } | |
476 | ||
477 | kfree(buf); | |
478 | } | |
479 | ||
f635bd11 | 480 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
481 | struct hid_field *field, struct hid_usage *usage) |
482 | { | |
9498f954 BT |
483 | struct mt_device *td = hid_get_drvdata(hdev); |
484 | ||
485 | switch (usage->hid) { | |
9498f954 | 486 | case HID_DG_CONTACTMAX: |
6d4f5440 MW |
487 | mt_get_feature(hdev, field->report); |
488 | ||
9498f954 | 489 | td->maxcontacts = field->value[0]; |
afbcb04c BT |
490 | if (!td->maxcontacts && |
491 | field->logical_maximum <= MT_MAX_MAXCONTACT) | |
492 | td->maxcontacts = field->logical_maximum; | |
eec29e3d | 493 | if (td->mtclass.maxcontacts) |
9498f954 | 494 | /* check if the maxcontacts is given by the class */ |
eec29e3d | 495 | td->maxcontacts = td->mtclass.maxcontacts; |
9498f954 | 496 | |
2c6e0277 SF |
497 | break; |
498 | case HID_DG_BUTTONTYPE: | |
499 | if (usage->usage_index >= field->report_count) { | |
500 | dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); | |
501 | break; | |
502 | } | |
503 | ||
6d4f5440 | 504 | mt_get_feature(hdev, field->report); |
2c6e0277 SF |
505 | if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) |
506 | td->is_buttonpad = true; | |
507 | ||
9498f954 | 508 | break; |
45c5c682 BT |
509 | case 0xff0000c5: |
510 | /* Retrieve the Win8 blob once to enable some devices */ | |
511 | if (usage->usage_index == 0) | |
512 | mt_get_feature(hdev, field->report); | |
513 | break; | |
5519cab4 BT |
514 | } |
515 | } | |
516 | ||
517 | static void set_abs(struct input_dev *input, unsigned int code, | |
518 | struct hid_field *field, int snratio) | |
519 | { | |
520 | int fmin = field->logical_minimum; | |
521 | int fmax = field->logical_maximum; | |
522 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
523 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
37cf6e6f | 524 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
5519cab4 BT |
525 | } |
526 | ||
01eaac7e BT |
527 | static struct mt_usages *mt_allocate_usage(struct hid_device *hdev, |
528 | struct mt_application *application) | |
529 | { | |
530 | struct mt_usages *usage; | |
531 | ||
532 | usage = devm_kzalloc(&hdev->dev, sizeof(*usage), GFP_KERNEL); | |
533 | if (!usage) | |
534 | return NULL; | |
535 | ||
536 | /* set some defaults so we do not need to check for null pointers */ | |
537 | usage->x = DEFAULT_ZERO; | |
538 | usage->y = DEFAULT_ZERO; | |
539 | usage->cx = DEFAULT_ZERO; | |
540 | usage->cy = DEFAULT_ZERO; | |
541 | usage->p = DEFAULT_ZERO; | |
542 | usage->w = DEFAULT_ZERO; | |
543 | usage->h = DEFAULT_ZERO; | |
544 | usage->a = DEFAULT_ZERO; | |
545 | usage->contactid = DEFAULT_ZERO; | |
546 | usage->tip_state = DEFAULT_FALSE; | |
547 | usage->inrange_state = DEFAULT_FALSE; | |
548 | usage->confidence_state = DEFAULT_TRUE; | |
549 | ||
550 | list_add_tail(&usage->list, &application->mt_usages); | |
551 | ||
552 | return usage; | |
553 | } | |
554 | ||
f146d1c4 | 555 | static struct mt_application *mt_allocate_application(struct mt_device *td, |
69ecd44d | 556 | struct hid_report *report) |
f146d1c4 | 557 | { |
69ecd44d | 558 | unsigned int application = report->application; |
f146d1c4 BT |
559 | struct mt_application *mt_application; |
560 | ||
561 | mt_application = devm_kzalloc(&td->hdev->dev, sizeof(*mt_application), | |
562 | GFP_KERNEL); | |
563 | if (!mt_application) | |
564 | return NULL; | |
565 | ||
566 | mt_application->application = application; | |
01eaac7e | 567 | INIT_LIST_HEAD(&mt_application->mt_usages); |
f146d1c4 BT |
568 | |
569 | if (application == HID_DG_TOUCHSCREEN) | |
570 | mt_application->mt_flags |= INPUT_MT_DIRECT; | |
571 | ||
572 | /* | |
573 | * Model touchscreens providing buttons as touchpads. | |
574 | */ | |
575 | if (application == HID_DG_TOUCHPAD) { | |
576 | mt_application->mt_flags |= INPUT_MT_POINTER; | |
577 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; | |
578 | } | |
579 | ||
01eaac7e BT |
580 | mt_application->scantime = DEFAULT_ZERO; |
581 | mt_application->raw_cc = DEFAULT_ZERO; | |
3ceb3826 | 582 | mt_application->quirks = td->mtclass.quirks; |
69ecd44d | 583 | mt_application->report_id = report->id; |
f146d1c4 BT |
584 | |
585 | list_add_tail(&mt_application->list, &td->applications); | |
586 | ||
587 | return mt_application; | |
588 | } | |
589 | ||
590 | static struct mt_application *mt_find_application(struct mt_device *td, | |
69ecd44d | 591 | struct hid_report *report) |
f146d1c4 | 592 | { |
69ecd44d | 593 | unsigned int application = report->application; |
f146d1c4 BT |
594 | struct mt_application *tmp, *mt_application = NULL; |
595 | ||
596 | list_for_each_entry(tmp, &td->applications, list) { | |
597 | if (application == tmp->application) { | |
69ecd44d BT |
598 | if (!(td->mtclass.quirks & MT_QUIRK_SEPARATE_APP_REPORT) || |
599 | tmp->report_id == report->id) { | |
600 | mt_application = tmp; | |
601 | break; | |
602 | } | |
f146d1c4 BT |
603 | } |
604 | } | |
605 | ||
606 | if (!mt_application) | |
69ecd44d | 607 | mt_application = mt_allocate_application(td, report); |
f146d1c4 BT |
608 | |
609 | return mt_application; | |
610 | } | |
611 | ||
8dfe14b3 BT |
612 | static struct mt_report_data *mt_allocate_report_data(struct mt_device *td, |
613 | struct hid_report *report) | |
614 | { | |
615 | struct mt_report_data *rdata; | |
616 | struct hid_field *field; | |
617 | int r, n; | |
618 | ||
619 | rdata = devm_kzalloc(&td->hdev->dev, sizeof(*rdata), GFP_KERNEL); | |
620 | if (!rdata) | |
621 | return NULL; | |
622 | ||
623 | rdata->report = report; | |
69ecd44d | 624 | rdata->application = mt_find_application(td, report); |
8dfe14b3 BT |
625 | |
626 | if (!rdata->application) { | |
627 | devm_kfree(&td->hdev->dev, rdata); | |
628 | return NULL; | |
629 | } | |
630 | ||
631 | for (r = 0; r < report->maxfield; r++) { | |
632 | field = report->field[r]; | |
633 | ||
634 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
635 | continue; | |
636 | ||
a2353e3b AZ |
637 | if (field->logical == HID_DG_FINGER || td->hdev->group != HID_GROUP_MULTITOUCH_WIN_8) { |
638 | for (n = 0; n < field->report_count; n++) { | |
639 | if (field->usage[n].hid == HID_DG_CONTACTID) { | |
640 | rdata->is_mt_collection = true; | |
641 | break; | |
642 | } | |
643 | } | |
8dfe14b3 BT |
644 | } |
645 | } | |
646 | ||
647 | list_add_tail(&rdata->list, &td->reports); | |
648 | ||
649 | return rdata; | |
650 | } | |
651 | ||
652 | static struct mt_report_data *mt_find_report_data(struct mt_device *td, | |
653 | struct hid_report *report) | |
654 | { | |
655 | struct mt_report_data *tmp, *rdata = NULL; | |
656 | ||
657 | list_for_each_entry(tmp, &td->reports, list) { | |
658 | if (report == tmp->report) { | |
659 | rdata = tmp; | |
660 | break; | |
661 | } | |
662 | } | |
663 | ||
664 | if (!rdata) | |
665 | rdata = mt_allocate_report_data(td, report); | |
666 | ||
667 | return rdata; | |
668 | } | |
669 | ||
01eaac7e BT |
670 | static void mt_store_field(struct hid_device *hdev, |
671 | struct mt_application *application, | |
672 | __s32 *value, | |
673 | size_t offset) | |
ed9d5c96 | 674 | { |
01eaac7e BT |
675 | struct mt_usages *usage; |
676 | __s32 **target; | |
677 | ||
678 | if (list_empty(&application->mt_usages)) | |
679 | usage = mt_allocate_usage(hdev, application); | |
680 | else | |
681 | usage = list_last_entry(&application->mt_usages, | |
682 | struct mt_usages, | |
683 | list); | |
3ac36d15 | 684 | |
01eaac7e | 685 | if (!usage) |
3ac36d15 BT |
686 | return; |
687 | ||
01eaac7e BT |
688 | target = (__s32 **)((char *)usage + offset); |
689 | ||
690 | /* the value has already been filled, create a new slot */ | |
691 | if (*target != DEFAULT_TRUE && | |
692 | *target != DEFAULT_FALSE && | |
693 | *target != DEFAULT_ZERO) { | |
81bcbad5 BT |
694 | if (usage->contactid == DEFAULT_ZERO || |
695 | usage->x == DEFAULT_ZERO || | |
696 | usage->y == DEFAULT_ZERO) { | |
697 | hid_dbg(hdev, | |
698 | "ignoring duplicate usage on incomplete"); | |
699 | return; | |
700 | } | |
01eaac7e BT |
701 | usage = mt_allocate_usage(hdev, application); |
702 | if (!usage) | |
703 | return; | |
704 | ||
705 | target = (__s32 **)((char *)usage + offset); | |
706 | } | |
707 | ||
708 | *target = value; | |
ed9d5c96 BT |
709 | } |
710 | ||
01eaac7e BT |
711 | #define MT_STORE_FIELD(__name) \ |
712 | mt_store_field(hdev, app, \ | |
713 | &field->value[usage->usage_index], \ | |
714 | offsetof(struct mt_usages, __name)) | |
715 | ||
a69c5f8b | 716 | static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
5519cab4 | 717 | struct hid_field *field, struct hid_usage *usage, |
f146d1c4 | 718 | unsigned long **bit, int *max, struct mt_application *app) |
5519cab4 BT |
719 | { |
720 | struct mt_device *td = hid_get_drvdata(hdev); | |
eec29e3d | 721 | struct mt_class *cls = &td->mtclass; |
c2ef8f21 | 722 | int code; |
349fd670 | 723 | struct hid_usage *prev_usage = NULL; |
4875ac11 | 724 | |
76f5902a HR |
725 | /* |
726 | * Model touchscreens providing buttons as touchpads. | |
c2ef8f21 | 727 | */ |
ba6b055e BT |
728 | if (field->application == HID_DG_TOUCHSCREEN && |
729 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { | |
f146d1c4 | 730 | app->mt_flags |= INPUT_MT_POINTER; |
9abebedb AD |
731 | td->inputmode_value = MT_INPUTMODE_TOUCHPAD; |
732 | } | |
c2ef8f21 | 733 | |
015fdaa9 BT |
734 | /* count the buttons on touchpads */ |
735 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) | |
f146d1c4 | 736 | app->buttons_count++; |
015fdaa9 | 737 | |
349fd670 BT |
738 | if (usage->usage_index) |
739 | prev_usage = &field->usage[usage->usage_index - 1]; | |
740 | ||
5519cab4 BT |
741 | switch (usage->hid & HID_USAGE_PAGE) { |
742 | ||
743 | case HID_UP_GENDESK: | |
744 | switch (usage->hid) { | |
745 | case HID_GD_X: | |
01eaac7e | 746 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
f146d1c4 | 747 | code = ABS_MT_TOOL_X; |
01eaac7e BT |
748 | MT_STORE_FIELD(cx); |
749 | } else { | |
f146d1c4 | 750 | code = ABS_MT_POSITION_X; |
01eaac7e BT |
751 | MT_STORE_FIELD(x); |
752 | } | |
349fd670 | 753 | |
f146d1c4 | 754 | set_abs(hi->input, code, field, cls->sn_move); |
01eaac7e | 755 | |
ba6b055e BT |
756 | /* |
757 | * A system multi-axis that exports X and Y has a high | |
758 | * chance of being used directly on a surface | |
759 | */ | |
760 | if (field->application == HID_GD_SYSTEM_MULTIAXIS) { | |
761 | __set_bit(INPUT_PROP_DIRECT, | |
762 | hi->input->propbit); | |
763 | input_set_abs_params(hi->input, | |
764 | ABS_MT_TOOL_TYPE, | |
765 | MT_TOOL_DIAL, | |
766 | MT_TOOL_DIAL, 0, 0); | |
767 | } | |
768 | ||
5519cab4 BT |
769 | return 1; |
770 | case HID_GD_Y: | |
01eaac7e | 771 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
f146d1c4 | 772 | code = ABS_MT_TOOL_Y; |
01eaac7e BT |
773 | MT_STORE_FIELD(cy); |
774 | } else { | |
f146d1c4 | 775 | code = ABS_MT_POSITION_Y; |
01eaac7e BT |
776 | MT_STORE_FIELD(y); |
777 | } | |
349fd670 | 778 | |
f146d1c4 | 779 | set_abs(hi->input, code, field, cls->sn_move); |
01eaac7e | 780 | |
5519cab4 BT |
781 | return 1; |
782 | } | |
783 | return 0; | |
784 | ||
785 | case HID_UP_DIGITIZER: | |
786 | switch (usage->hid) { | |
787 | case HID_DG_INRANGE: | |
3ceb3826 | 788 | if (app->quirks & MT_QUIRK_HOVERING) { |
9b3bb9b8 BT |
789 | input_set_abs_params(hi->input, |
790 | ABS_MT_DISTANCE, 0, 1, 0, 0); | |
791 | } | |
01eaac7e | 792 | MT_STORE_FIELD(inrange_state); |
5519cab4 BT |
793 | return 1; |
794 | case HID_DG_CONFIDENCE: | |
794c6133 | 795 | if ((cls->name == MT_CLS_WIN_8 || |
31a4cf1d | 796 | cls->name == MT_CLS_WIN_8_FORCE_MULTI_INPUT || |
54eed5c7 | 797 | cls->name == MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU || |
31a4cf1d | 798 | cls->name == MT_CLS_WIN_8_DISABLE_WAKEUP) && |
f9024374 DT |
799 | (field->application == HID_DG_TOUCHPAD || |
800 | field->application == HID_DG_TOUCHSCREEN)) | |
3ceb3826 | 801 | app->quirks |= MT_QUIRK_CONFIDENCE; |
9152c7d7 DT |
802 | |
803 | if (app->quirks & MT_QUIRK_CONFIDENCE) | |
804 | input_set_abs_params(hi->input, | |
805 | ABS_MT_TOOL_TYPE, | |
806 | MT_TOOL_FINGER, | |
807 | MT_TOOL_PALM, 0, 0); | |
808 | ||
01eaac7e | 809 | MT_STORE_FIELD(confidence_state); |
5519cab4 BT |
810 | return 1; |
811 | case HID_DG_TIPSWITCH: | |
ba6b055e BT |
812 | if (field->application != HID_GD_SYSTEM_MULTIAXIS) |
813 | input_set_capability(hi->input, | |
814 | EV_KEY, BTN_TOUCH); | |
01eaac7e | 815 | MT_STORE_FIELD(tip_state); |
5519cab4 BT |
816 | return 1; |
817 | case HID_DG_CONTACTID: | |
01eaac7e | 818 | MT_STORE_FIELD(contactid); |
f146d1c4 | 819 | app->touches_by_report++; |
5519cab4 BT |
820 | return 1; |
821 | case HID_DG_WIDTH: | |
3ceb3826 | 822 | if (!(app->quirks & MT_QUIRK_NO_AREA)) |
77723e3b HR |
823 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, |
824 | cls->sn_width); | |
01eaac7e | 825 | MT_STORE_FIELD(w); |
5519cab4 BT |
826 | return 1; |
827 | case HID_DG_HEIGHT: | |
3ceb3826 | 828 | if (!(app->quirks & MT_QUIRK_NO_AREA)) { |
77723e3b HR |
829 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, |
830 | cls->sn_height); | |
00720277 WNH |
831 | |
832 | /* | |
833 | * Only set ABS_MT_ORIENTATION if it is not | |
834 | * already set by the HID_DG_AZIMUTH usage. | |
835 | */ | |
836 | if (!test_bit(ABS_MT_ORIENTATION, | |
837 | hi->input->absbit)) | |
838 | input_set_abs_params(hi->input, | |
839 | ABS_MT_ORIENTATION, 0, 1, 0, 0); | |
77723e3b | 840 | } |
01eaac7e | 841 | MT_STORE_FIELD(h); |
5519cab4 BT |
842 | return 1; |
843 | case HID_DG_TIPPRESSURE: | |
5519cab4 BT |
844 | set_abs(hi->input, ABS_MT_PRESSURE, field, |
845 | cls->sn_pressure); | |
01eaac7e | 846 | MT_STORE_FIELD(p); |
5519cab4 | 847 | return 1; |
29cc309d | 848 | case HID_DG_SCANTIME: |
29cc309d | 849 | input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); |
01eaac7e BT |
850 | app->scantime = &field->value[usage->usage_index]; |
851 | app->scantime_logical_max = field->logical_maximum; | |
29cc309d | 852 | return 1; |
5519cab4 | 853 | case HID_DG_CONTACTCOUNT: |
01eaac7e BT |
854 | app->have_contact_count = true; |
855 | app->raw_cc = &field->value[usage->usage_index]; | |
5519cab4 | 856 | return 1; |
00720277 | 857 | case HID_DG_AZIMUTH: |
00720277 WNH |
858 | /* |
859 | * Azimuth has the range of [0, MAX) representing a full | |
860 | * revolution. Set ABS_MT_ORIENTATION to a quarter of | |
861 | * MAX according the definition of ABS_MT_ORIENTATION | |
862 | */ | |
863 | input_set_abs_params(hi->input, ABS_MT_ORIENTATION, | |
864 | -field->logical_maximum / 4, | |
865 | field->logical_maximum / 4, | |
866 | cls->sn_move ? | |
867 | field->logical_maximum / cls->sn_move : 0, 0); | |
01eaac7e | 868 | MT_STORE_FIELD(a); |
00720277 | 869 | return 1; |
5519cab4 | 870 | case HID_DG_CONTACTMAX: |
01eaac7e | 871 | /* contact max are global to the report */ |
5519cab4 | 872 | return -1; |
c2ef8f21 BT |
873 | case HID_DG_TOUCH: |
874 | /* Legacy devices use TIPSWITCH and not TOUCH. | |
875 | * Let's just ignore this field. */ | |
876 | return -1; | |
65b258e9 | 877 | } |
5519cab4 BT |
878 | /* let hid-input decide for the others */ |
879 | return 0; | |
880 | ||
c2ef8f21 BT |
881 | case HID_UP_BUTTON: |
882 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); | |
594312b8 BT |
883 | /* |
884 | * MS PTP spec says that external buttons left and right have | |
885 | * usages 2 and 3. | |
886 | */ | |
3ceb3826 | 887 | if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
594312b8 BT |
888 | field->application == HID_DG_TOUCHPAD && |
889 | (usage->hid & HID_USAGE) > 1) | |
890 | code--; | |
ba6b055e BT |
891 | |
892 | if (field->application == HID_GD_SYSTEM_MULTIAXIS) | |
893 | code = BTN_0 + ((usage->hid - 1) & HID_USAGE); | |
894 | ||
c2ef8f21 | 895 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
35556bed MZ |
896 | if (!*bit) |
897 | return -1; | |
c2ef8f21 BT |
898 | input_set_capability(hi->input, EV_KEY, code); |
899 | return 1; | |
900 | ||
5519cab4 BT |
901 | case 0xff000000: |
902 | /* we do not want to map these: no input-oriented meaning */ | |
903 | return -1; | |
904 | } | |
905 | ||
906 | return 0; | |
907 | } | |
908 | ||
f146d1c4 | 909 | static int mt_compute_slot(struct mt_device *td, struct mt_application *app, |
01eaac7e | 910 | struct mt_usages *slot, |
f146d1c4 | 911 | struct input_dev *input) |
5519cab4 | 912 | { |
3ceb3826 | 913 | __s32 quirks = app->quirks; |
5519cab4 | 914 | |
2d93666e | 915 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
01eaac7e | 916 | return *slot->contactid; |
5519cab4 | 917 | |
2d93666e | 918 | if (quirks & MT_QUIRK_CYPRESS) |
01eaac7e | 919 | return cypress_compute_slot(app, slot); |
a3b5e577 | 920 | |
2d93666e | 921 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
f146d1c4 | 922 | return app->num_received; |
5572da08 | 923 | |
4a6ee685 | 924 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
01eaac7e | 925 | return *slot->contactid - 1; |
4a6ee685 | 926 | |
01eaac7e | 927 | return input_mt_get_slot_by_key(input, *slot->contactid); |
3e1b5015 HR |
928 | } |
929 | ||
28a042a3 DT |
930 | static void mt_release_pending_palms(struct mt_device *td, |
931 | struct mt_application *app, | |
932 | struct input_dev *input) | |
933 | { | |
934 | int slotnum; | |
935 | bool need_sync = false; | |
936 | ||
937 | for_each_set_bit(slotnum, app->pending_palm_slots, td->maxcontacts) { | |
938 | clear_bit(slotnum, app->pending_palm_slots); | |
939 | ||
940 | input_mt_slot(input, slotnum); | |
5fc70e35 | 941 | input_mt_report_slot_inactive(input); |
28a042a3 DT |
942 | |
943 | need_sync = true; | |
944 | } | |
945 | ||
946 | if (need_sync) { | |
947 | input_mt_sync_frame(input); | |
948 | input_sync(input); | |
949 | } | |
950 | } | |
951 | ||
3e1b5015 HR |
952 | /* |
953 | * this function is called when a whole packet has been received and processed, | |
954 | * so that it can decide what to send to the input layer. | |
955 | */ | |
f146d1c4 BT |
956 | static void mt_sync_frame(struct mt_device *td, struct mt_application *app, |
957 | struct input_dev *input) | |
3e1b5015 | 958 | { |
3ceb3826 | 959 | if (app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) |
f146d1c4 | 960 | input_event(input, EV_KEY, BTN_LEFT, app->left_button_state); |
127e71bd | 961 | |
76f5902a | 962 | input_mt_sync_frame(input); |
f146d1c4 | 963 | input_event(input, EV_MSC, MSC_TIMESTAMP, app->timestamp); |
5519cab4 | 964 | input_sync(input); |
28a042a3 DT |
965 | |
966 | mt_release_pending_palms(td, app, input); | |
967 | ||
f146d1c4 BT |
968 | app->num_received = 0; |
969 | app->left_button_state = 0; | |
970 | ||
96098274 BT |
971 | if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) |
972 | set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
973 | else | |
974 | clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); | |
975 | clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
5519cab4 BT |
976 | } |
977 | ||
01eaac7e | 978 | static int mt_compute_timestamp(struct mt_application *app, __s32 value) |
29cc309d | 979 | { |
f146d1c4 BT |
980 | long delta = value - app->prev_scantime; |
981 | unsigned long jdelta = jiffies_to_usecs(jiffies - app->jiffies); | |
29cc309d | 982 | |
f146d1c4 | 983 | app->jiffies = jiffies; |
29cc309d NB |
984 | |
985 | if (delta < 0) | |
01eaac7e | 986 | delta += app->scantime_logical_max; |
29cc309d NB |
987 | |
988 | /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ | |
989 | delta *= 100; | |
990 | ||
991 | if (jdelta > MAX_TIMESTAMP_INTERVAL) | |
992 | /* No data received for a while, resync the timestamp. */ | |
993 | return 0; | |
994 | else | |
f146d1c4 | 995 | return app->timestamp + delta; |
29cc309d NB |
996 | } |
997 | ||
a69c5f8b | 998 | static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
5519cab4 | 999 | struct hid_usage *usage, __s32 value) |
55978fa9 BT |
1000 | { |
1001 | /* we will handle the hidinput part later, now remains hiddev */ | |
1002 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
1003 | hid->hiddev_hid_event(hid, field, usage, value); | |
1004 | ||
1005 | return 1; | |
1006 | } | |
1007 | ||
01eaac7e BT |
1008 | static int mt_process_slot(struct mt_device *td, struct input_dev *input, |
1009 | struct mt_application *app, | |
1010 | struct mt_usages *slot) | |
5519cab4 | 1011 | { |
01eaac7e | 1012 | struct input_mt *mt = input->mt; |
a2f416bf | 1013 | struct hid_device *hdev = td->hdev; |
3ceb3826 | 1014 | __s32 quirks = app->quirks; |
01eaac7e BT |
1015 | bool valid = true; |
1016 | bool confidence_state = true; | |
1017 | bool inrange_state = false; | |
1018 | int active; | |
1019 | int slotnum; | |
ba6b055e | 1020 | int tool = MT_TOOL_FINGER; |
5519cab4 | 1021 | |
01eaac7e BT |
1022 | if (!slot) |
1023 | return -EINVAL; | |
1024 | ||
1025 | if ((quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && | |
1026 | app->num_received >= app->num_expected) | |
1027 | return -EAGAIN; | |
1028 | ||
1029 | if (!(quirks & MT_QUIRK_ALWAYS_VALID)) { | |
1030 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) | |
1031 | valid = *slot->inrange_state; | |
1032 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) | |
1033 | valid = *slot->tip_state; | |
1034 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) | |
1035 | valid = *slot->confidence_state; | |
1036 | ||
1037 | if (!valid) | |
1038 | return 0; | |
1039 | } | |
1040 | ||
1041 | slotnum = mt_compute_slot(td, app, slot, input); | |
1042 | if (slotnum < 0 || slotnum >= td->maxcontacts) | |
1043 | return 0; | |
1044 | ||
1045 | if ((quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { | |
1046 | struct input_mt_slot *i_slot = &mt->slots[slotnum]; | |
1047 | ||
1048 | if (input_mt_is_active(i_slot) && | |
1049 | input_mt_is_used(mt, i_slot)) | |
1050 | return -EAGAIN; | |
1051 | } | |
1052 | ||
1053 | if (quirks & MT_QUIRK_CONFIDENCE) | |
1054 | confidence_state = *slot->confidence_state; | |
1055 | ||
1056 | if (quirks & MT_QUIRK_HOVERING) | |
1057 | inrange_state = *slot->inrange_state; | |
1058 | ||
9152c7d7 | 1059 | active = *slot->tip_state || inrange_state; |
01eaac7e | 1060 | |
ba6b055e BT |
1061 | if (app->application == HID_GD_SYSTEM_MULTIAXIS) |
1062 | tool = MT_TOOL_DIAL; | |
28a042a3 | 1063 | else if (unlikely(!confidence_state)) { |
9152c7d7 | 1064 | tool = MT_TOOL_PALM; |
306d5acb | 1065 | if (!active && mt && |
28a042a3 DT |
1066 | input_mt_is_active(&mt->slots[slotnum])) { |
1067 | /* | |
1068 | * The non-confidence was reported for | |
1069 | * previously valid contact that is also no | |
1070 | * longer valid. We can't simply report | |
1071 | * lift-off as userspace will not be aware | |
1072 | * of non-confidence, so we need to split | |
1073 | * it into 2 events: active MT_TOOL_PALM | |
1074 | * and a separate liftoff. | |
1075 | */ | |
1076 | active = true; | |
1077 | set_bit(slotnum, app->pending_palm_slots); | |
1078 | } | |
1079 | } | |
ba6b055e | 1080 | |
01eaac7e | 1081 | input_mt_slot(input, slotnum); |
ba6b055e | 1082 | input_mt_report_slot_state(input, tool, active); |
01eaac7e BT |
1083 | if (active) { |
1084 | /* this finger is in proximity of the sensor */ | |
1085 | int wide = (*slot->w > *slot->h); | |
1086 | int major = max(*slot->w, *slot->h); | |
1087 | int minor = min(*slot->w, *slot->h); | |
1088 | int orientation = wide; | |
1089 | int max_azimuth; | |
1090 | int azimuth; | |
a2f416bf AB |
1091 | int x; |
1092 | int y; | |
1093 | int cx; | |
1094 | int cy; | |
01eaac7e BT |
1095 | |
1096 | if (slot->a != DEFAULT_ZERO) { | |
00720277 WNH |
1097 | /* |
1098 | * Azimuth is counter-clockwise and ranges from [0, MAX) | |
1099 | * (a full revolution). Convert it to clockwise ranging | |
1100 | * [-MAX/2, MAX/2]. | |
1101 | * | |
1102 | * Note that ABS_MT_ORIENTATION require us to report | |
1103 | * the limit of [-MAX/4, MAX/4], but the value can go | |
1104 | * out of range to [-MAX/2, MAX/2] to report an upside | |
1105 | * down ellipsis. | |
1106 | */ | |
01eaac7e BT |
1107 | azimuth = *slot->a; |
1108 | max_azimuth = input_abs_get_max(input, | |
1109 | ABS_MT_ORIENTATION); | |
1110 | if (azimuth > max_azimuth * 2) | |
1111 | azimuth -= max_azimuth * 4; | |
1112 | orientation = -azimuth; | |
a2f416bf AB |
1113 | if (quirks & MT_QUIRK_ORIENTATION_INVERT) |
1114 | orientation = -orientation; | |
1115 | ||
01eaac7e | 1116 | } |
5519cab4 | 1117 | |
01eaac7e | 1118 | if (quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { |
9152c7d7 DT |
1119 | /* |
1120 | * divided by two to match visual scale of touch | |
1121 | * for devices with this quirk | |
1122 | */ | |
01eaac7e BT |
1123 | major = major >> 1; |
1124 | minor = minor >> 1; | |
1125 | } | |
55746d28 | 1126 | |
a2f416bf AB |
1127 | x = hdev->quirks & HID_QUIRK_X_INVERT ? |
1128 | input_abs_get_max(input, ABS_MT_POSITION_X) - *slot->x : | |
1129 | *slot->x; | |
1130 | y = hdev->quirks & HID_QUIRK_Y_INVERT ? | |
1131 | input_abs_get_max(input, ABS_MT_POSITION_Y) - *slot->y : | |
1132 | *slot->y; | |
1133 | cx = hdev->quirks & HID_QUIRK_X_INVERT ? | |
1134 | input_abs_get_max(input, ABS_MT_POSITION_X) - *slot->cx : | |
1135 | *slot->cx; | |
1136 | cy = hdev->quirks & HID_QUIRK_Y_INVERT ? | |
1137 | input_abs_get_max(input, ABS_MT_POSITION_Y) - *slot->cy : | |
1138 | *slot->cy; | |
1139 | ||
1140 | input_event(input, EV_ABS, ABS_MT_POSITION_X, x); | |
1141 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, y); | |
1142 | input_event(input, EV_ABS, ABS_MT_TOOL_X, cx); | |
1143 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, cy); | |
01eaac7e BT |
1144 | input_event(input, EV_ABS, ABS_MT_DISTANCE, !*slot->tip_state); |
1145 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, orientation); | |
1146 | input_event(input, EV_ABS, ABS_MT_PRESSURE, *slot->p); | |
1147 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); | |
1148 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); | |
1149 | ||
1150 | set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); | |
1151 | } | |
127e71bd | 1152 | |
01eaac7e BT |
1153 | return 0; |
1154 | } | |
1155 | ||
1156 | static void mt_process_mt_event(struct hid_device *hid, | |
1157 | struct mt_application *app, | |
1158 | struct hid_field *field, | |
1159 | struct hid_usage *usage, | |
1160 | __s32 value, | |
1161 | bool first_packet) | |
1162 | { | |
1163 | __s32 quirks = app->quirks; | |
1164 | struct input_dev *input = field->hidinput->input; | |
1165 | ||
1166 | if (!usage->type || !(hid->claimed & HID_CLAIMED_INPUT)) | |
1167 | return; | |
1168 | ||
1169 | if (quirks & MT_QUIRK_WIN8_PTP_BUTTONS) { | |
1170 | ||
1171 | /* | |
1172 | * For Win8 PTP touchpads we should only look at | |
1173 | * non finger/touch events in the first_packet of a | |
1174 | * (possible) multi-packet frame. | |
1175 | */ | |
1176 | if (!first_packet) | |
55978fa9 | 1177 | return; |
5519cab4 | 1178 | |
01eaac7e BT |
1179 | /* |
1180 | * For Win8 PTP touchpads we map both the clickpad click | |
1181 | * and any "external" left buttons to BTN_LEFT if a | |
1182 | * device claims to have both we need to report 1 for | |
1183 | * BTN_LEFT if either is pressed, so we or all values | |
1184 | * together and report the result in mt_sync_frame(). | |
1185 | */ | |
1186 | if (usage->type == EV_KEY && usage->code == BTN_LEFT) { | |
1187 | app->left_button_state |= value; | |
1188 | return; | |
54f4c0c3 | 1189 | } |
2d93666e | 1190 | } |
01eaac7e BT |
1191 | |
1192 | input_event(input, usage->type, usage->code, value); | |
55978fa9 | 1193 | } |
5519cab4 | 1194 | |
8dfe14b3 BT |
1195 | static void mt_touch_report(struct hid_device *hid, |
1196 | struct mt_report_data *rdata) | |
55978fa9 BT |
1197 | { |
1198 | struct mt_device *td = hid_get_drvdata(hid); | |
8dfe14b3 BT |
1199 | struct hid_report *report = rdata->report; |
1200 | struct mt_application *app = rdata->application; | |
55978fa9 | 1201 | struct hid_field *field; |
01eaac7e BT |
1202 | struct input_dev *input; |
1203 | struct mt_usages *slot; | |
55746d28 | 1204 | bool first_packet; |
55978fa9 | 1205 | unsigned count; |
f146d1c4 BT |
1206 | int r, n; |
1207 | int scantime = 0; | |
1208 | int contact_count = -1; | |
5519cab4 | 1209 | |
4f4001bc | 1210 | /* sticky fingers release in progress, abort */ |
be6e2b57 | 1211 | if (test_and_set_bit_lock(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) |
4f4001bc BT |
1212 | return; |
1213 | ||
01eaac7e BT |
1214 | scantime = *app->scantime; |
1215 | app->timestamp = mt_compute_timestamp(app, scantime); | |
1216 | if (app->raw_cc != DEFAULT_ZERO) | |
1217 | contact_count = *app->raw_cc; | |
1218 | ||
c2517f62 BT |
1219 | /* |
1220 | * Includes multi-packet support where subsequent | |
1221 | * packets are sent with zero contactcount. | |
1222 | */ | |
01eaac7e | 1223 | if (contact_count >= 0) { |
af8dc4d0 HG |
1224 | /* |
1225 | * For Win8 PTPs the first packet (td->num_received == 0) may | |
1226 | * have a contactcount of 0 if there only is a button event. | |
1227 | * We double check that this is not a continuation packet | |
1228 | * of a possible multi-packet frame be checking that the | |
1229 | * timestamp has changed. | |
1230 | */ | |
3ceb3826 | 1231 | if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && |
f146d1c4 BT |
1232 | app->num_received == 0 && |
1233 | app->prev_scantime != scantime) | |
1234 | app->num_expected = contact_count; | |
af8dc4d0 | 1235 | /* A non 0 contact count always indicates a first packet */ |
f146d1c4 BT |
1236 | else if (contact_count) |
1237 | app->num_expected = contact_count; | |
7e3cc447 | 1238 | } |
f146d1c4 | 1239 | app->prev_scantime = scantime; |
c2517f62 | 1240 | |
f146d1c4 | 1241 | first_packet = app->num_received == 0; |
01eaac7e BT |
1242 | |
1243 | input = report->field[0]->hidinput->input; | |
1244 | ||
1245 | list_for_each_entry(slot, &app->mt_usages, list) { | |
1246 | if (!mt_process_slot(td, input, app, slot)) | |
1247 | app->num_received++; | |
1248 | } | |
1249 | ||
55978fa9 BT |
1250 | for (r = 0; r < report->maxfield; r++) { |
1251 | field = report->field[r]; | |
1252 | count = field->report_count; | |
1253 | ||
1254 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) | |
1255 | continue; | |
1256 | ||
1257 | for (n = 0; n < count; n++) | |
01eaac7e BT |
1258 | mt_process_mt_event(hid, app, field, |
1259 | &field->usage[n], field->value[n], | |
1260 | first_packet); | |
55978fa9 | 1261 | } |
5b62efd8 | 1262 | |
f146d1c4 | 1263 | if (app->num_received >= app->num_expected) |
01eaac7e | 1264 | mt_sync_frame(td, app, input); |
4f4001bc BT |
1265 | |
1266 | /* | |
1267 | * Windows 8 specs says 2 things: | |
1268 | * - once a contact has been reported, it has to be reported in each | |
1269 | * subsequent report | |
1270 | * - the report rate when fingers are present has to be at least | |
1271 | * the refresh rate of the screen, 60 or 120 Hz | |
1272 | * | |
1273 | * I interprete this that the specification forces a report rate of | |
1274 | * at least 60 Hz for a touchscreen to be certified. | |
1275 | * Which means that if we do not get a report whithin 16 ms, either | |
1276 | * something wrong happens, either the touchscreen forgets to send | |
1277 | * a release. Taking a reasonable margin allows to remove issues | |
1278 | * with USB communication or the load of the machine. | |
1279 | * | |
1280 | * Given that Win 8 devices are forced to send a release, this will | |
1281 | * only affect laggish machines and the ones that have a firmware | |
1282 | * defect. | |
1283 | */ | |
3ceb3826 | 1284 | if (app->quirks & MT_QUIRK_STICKY_FINGERS) { |
96098274 BT |
1285 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1286 | mod_timer(&td->release_timer, | |
1287 | jiffies + msecs_to_jiffies(100)); | |
1288 | else | |
1289 | del_timer(&td->release_timer); | |
1290 | } | |
4f4001bc | 1291 | |
be6e2b57 | 1292 | clear_bit_unlock(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); |
5519cab4 BT |
1293 | } |
1294 | ||
b2c68a2f | 1295 | static int mt_touch_input_configured(struct hid_device *hdev, |
f146d1c4 BT |
1296 | struct hid_input *hi, |
1297 | struct mt_application *app) | |
a69c5f8b BT |
1298 | { |
1299 | struct mt_device *td = hid_get_drvdata(hdev); | |
1300 | struct mt_class *cls = &td->mtclass; | |
1301 | struct input_dev *input = hi->input; | |
b2c68a2f | 1302 | int ret; |
a69c5f8b BT |
1303 | |
1304 | if (!td->maxcontacts) | |
1305 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; | |
1306 | ||
f146d1c4 | 1307 | mt_post_parse(td, app); |
a69c5f8b | 1308 | if (td->serial_maybe) |
f146d1c4 | 1309 | mt_post_parse_default_settings(td, app); |
a69c5f8b BT |
1310 | |
1311 | if (cls->is_indirect) | |
f146d1c4 | 1312 | app->mt_flags |= INPUT_MT_POINTER; |
a69c5f8b | 1313 | |
3ceb3826 | 1314 | if (app->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
f146d1c4 | 1315 | app->mt_flags |= INPUT_MT_DROP_UNUSED; |
a69c5f8b | 1316 | |
015fdaa9 | 1317 | /* check for clickpads */ |
f146d1c4 BT |
1318 | if ((app->mt_flags & INPUT_MT_POINTER) && |
1319 | (app->buttons_count == 1)) | |
2c6e0277 SF |
1320 | td->is_buttonpad = true; |
1321 | ||
1322 | if (td->is_buttonpad) | |
015fdaa9 BT |
1323 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
1324 | ||
28a042a3 DT |
1325 | app->pending_palm_slots = devm_kcalloc(&hi->input->dev, |
1326 | BITS_TO_LONGS(td->maxcontacts), | |
1327 | sizeof(long), | |
1328 | GFP_KERNEL); | |
1329 | if (!app->pending_palm_slots) | |
1330 | return -ENOMEM; | |
1331 | ||
f146d1c4 | 1332 | ret = input_mt_init_slots(input, td->maxcontacts, app->mt_flags); |
b2c68a2f DT |
1333 | if (ret) |
1334 | return ret; | |
a69c5f8b | 1335 | |
f146d1c4 | 1336 | app->mt_flags = 0; |
b2c68a2f | 1337 | return 0; |
a69c5f8b BT |
1338 | } |
1339 | ||
957b8dff JPRV |
1340 | #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
1341 | max, EV_KEY, (c)) | |
a69c5f8b BT |
1342 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
1343 | struct hid_field *field, struct hid_usage *usage, | |
1344 | unsigned long **bit, int *max) | |
1345 | { | |
6aef704e | 1346 | struct mt_device *td = hid_get_drvdata(hdev); |
f146d1c4 | 1347 | struct mt_application *application; |
8dfe14b3 BT |
1348 | struct mt_report_data *rdata; |
1349 | ||
1350 | rdata = mt_find_report_data(td, field->report); | |
1351 | if (!rdata) { | |
1352 | hid_err(hdev, "failed to allocate data for report\n"); | |
1353 | return 0; | |
1354 | } | |
6aef704e | 1355 | |
8dfe14b3 | 1356 | application = rdata->application; |
3ceb3826 | 1357 | |
6aef704e BT |
1358 | /* |
1359 | * If mtclass.export_all_inputs is not set, only map fields from | |
1360 | * TouchScreen or TouchPad collections. We need to ignore fields | |
1361 | * that belong to other collections such as Mouse that might have | |
1362 | * the same GenericDesktop usages. | |
1363 | */ | |
1364 | if (!td->mtclass.export_all_inputs && | |
1365 | field->application != HID_DG_TOUCHSCREEN && | |
fa11aa72 | 1366 | field->application != HID_DG_PEN && |
8fe89ef0 BT |
1367 | field->application != HID_DG_TOUCHPAD && |
1368 | field->application != HID_GD_KEYBOARD && | |
e57f4e67 | 1369 | field->application != HID_GD_SYSTEM_CONTROL && |
1fbf74ef | 1370 | field->application != HID_CP_CONSUMER_CONTROL && |
957b8dff | 1371 | field->application != HID_GD_WIRELESS_RADIO_CTLS && |
ba6b055e | 1372 | field->application != HID_GD_SYSTEM_MULTIAXIS && |
957b8dff | 1373 | !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && |
3ceb3826 | 1374 | application->quirks & MT_QUIRK_ASUS_CUSTOM_UP)) |
6f492f28 | 1375 | return -1; |
a69c5f8b | 1376 | |
957b8dff JPRV |
1377 | /* |
1378 | * Some Asus keyboard+touchpad devices have the hotkeys defined in the | |
1379 | * touchpad report descriptor. We need to treat these as an array to | |
1380 | * map usages to input keys. | |
1381 | */ | |
39bbf402 | 1382 | if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && |
3ceb3826 | 1383 | application->quirks & MT_QUIRK_ASUS_CUSTOM_UP && |
957b8dff JPRV |
1384 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { |
1385 | set_bit(EV_REP, hi->input->evbit); | |
1386 | if (field->flags & HID_MAIN_ITEM_VARIABLE) | |
1387 | field->flags &= ~HID_MAIN_ITEM_VARIABLE; | |
1388 | switch (usage->hid & HID_USAGE) { | |
1389 | case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
1390 | case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; | |
1391 | case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; | |
1392 | case 0x6b: mt_map_key_clear(KEY_F21); break; | |
1393 | case 0x6c: mt_map_key_clear(KEY_SLEEP); break; | |
1394 | default: | |
1395 | return -1; | |
1396 | } | |
1397 | return 1; | |
1398 | } | |
1399 | ||
ba6b055e | 1400 | if (rdata->is_mt_collection) |
f146d1c4 BT |
1401 | return mt_touch_input_mapping(hdev, hi, field, usage, bit, max, |
1402 | application); | |
6aef704e | 1403 | |
7ffa13be BT |
1404 | /* |
1405 | * some egalax touchscreens have "application == DG_TOUCHSCREEN" | |
1406 | * for the stylus. Overwrite the hid_input application | |
1407 | */ | |
1408 | if (field->physical == HID_DG_STYLUS) | |
1409 | hi->application = HID_DG_STYLUS; | |
1410 | ||
6aef704e BT |
1411 | /* let hid-core decide for the others */ |
1412 | return 0; | |
a69c5f8b BT |
1413 | } |
1414 | ||
1415 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
1416 | struct hid_field *field, struct hid_usage *usage, | |
1417 | unsigned long **bit, int *max) | |
1418 | { | |
ba6b055e BT |
1419 | struct mt_device *td = hid_get_drvdata(hdev); |
1420 | struct mt_report_data *rdata; | |
fa11aa72 | 1421 | |
ba6b055e BT |
1422 | rdata = mt_find_report_data(td, field->report); |
1423 | if (rdata && rdata->is_mt_collection) { | |
4cf56a89 DT |
1424 | /* We own these mappings, tell hid-input to ignore them */ |
1425 | return -1; | |
1426 | } | |
6aef704e BT |
1427 | |
1428 | /* let hid-core decide for the others */ | |
1429 | return 0; | |
a69c5f8b BT |
1430 | } |
1431 | ||
1432 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
1433 | struct hid_usage *usage, __s32 value) | |
1434 | { | |
1435 | struct mt_device *td = hid_get_drvdata(hid); | |
8dfe14b3 | 1436 | struct mt_report_data *rdata; |
a69c5f8b | 1437 | |
8dfe14b3 BT |
1438 | rdata = mt_find_report_data(td, field->report); |
1439 | if (rdata && rdata->is_mt_collection) | |
a69c5f8b BT |
1440 | return mt_touch_event(hid, field, usage, value); |
1441 | ||
e55f6200 | 1442 | return 0; |
a69c5f8b BT |
1443 | } |
1444 | ||
1445 | static void mt_report(struct hid_device *hid, struct hid_report *report) | |
1446 | { | |
1447 | struct mt_device *td = hid_get_drvdata(hid); | |
e55f6200 | 1448 | struct hid_field *field = report->field[0]; |
8dfe14b3 | 1449 | struct mt_report_data *rdata; |
a69c5f8b BT |
1450 | |
1451 | if (!(hid->claimed & HID_CLAIMED_INPUT)) | |
1452 | return; | |
1453 | ||
8dfe14b3 BT |
1454 | rdata = mt_find_report_data(td, report); |
1455 | if (rdata && rdata->is_mt_collection) | |
1456 | return mt_touch_report(hid, rdata); | |
fa11aa72 | 1457 | |
e55f6200 BT |
1458 | if (field && field->hidinput && field->hidinput->input) |
1459 | input_sync(field->hidinput->input); | |
5519cab4 BT |
1460 | } |
1461 | ||
7f81c8db BT |
1462 | static bool mt_need_to_apply_feature(struct hid_device *hdev, |
1463 | struct hid_field *field, | |
02946f4b BT |
1464 | struct hid_usage *usage, |
1465 | enum latency_mode latency, | |
1466 | bool surface_switch, | |
ec6adef5 BT |
1467 | bool button_switch, |
1468 | bool *inputmode_found) | |
5519cab4 BT |
1469 | { |
1470 | struct mt_device *td = hid_get_drvdata(hdev); | |
da10bc25 | 1471 | struct mt_class *cls = &td->mtclass; |
7f81c8db BT |
1472 | struct hid_report *report = field->report; |
1473 | unsigned int index = usage->usage_index; | |
da10bc25 | 1474 | char *buf; |
3064a03b | 1475 | u32 report_len; |
7f81c8db | 1476 | int max; |
5519cab4 | 1477 | |
7f81c8db BT |
1478 | switch (usage->hid) { |
1479 | case HID_DG_INPUTMODE: | |
ec6adef5 BT |
1480 | /* |
1481 | * Some elan panels wrongly declare 2 input mode features, | |
1482 | * and silently ignore when we set the value in the second | |
1483 | * field. Skip the second feature and hope for the best. | |
1484 | */ | |
1485 | if (*inputmode_found) | |
1486 | return false; | |
1487 | ||
da10bc25 | 1488 | if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { |
7f81c8db BT |
1489 | report_len = hid_report_len(report); |
1490 | buf = hid_alloc_report_buf(report, GFP_KERNEL); | |
da10bc25 | 1491 | if (!buf) { |
7f81c8db BT |
1492 | hid_err(hdev, |
1493 | "failed to allocate buffer for report\n"); | |
1494 | return false; | |
da10bc25 | 1495 | } |
7f81c8db | 1496 | hid_hw_raw_request(hdev, report->id, buf, report_len, |
da10bc25 MM |
1497 | HID_FEATURE_REPORT, |
1498 | HID_REQ_GET_REPORT); | |
1499 | kfree(buf); | |
1500 | } | |
5519cab4 | 1501 | |
7f81c8db | 1502 | field->value[index] = td->inputmode_value; |
ec6adef5 | 1503 | *inputmode_found = true; |
7f81c8db | 1504 | return true; |
31ae9bdd | 1505 | |
7f81c8db | 1506 | case HID_DG_CONTACTMAX: |
3ceb3826 | 1507 | if (cls->maxcontacts) { |
7f81c8db | 1508 | max = min_t(int, field->logical_maximum, |
3ceb3826 | 1509 | cls->maxcontacts); |
7f81c8db BT |
1510 | if (field->value[index] != max) { |
1511 | field->value[index] = max; | |
1512 | return true; | |
1513 | } | |
1514 | } | |
1515 | break; | |
02946f4b BT |
1516 | |
1517 | case HID_DG_LATENCYMODE: | |
1518 | field->value[index] = latency; | |
99c703ac | 1519 | return true; |
02946f4b BT |
1520 | |
1521 | case HID_DG_SURFACESWITCH: | |
1522 | field->value[index] = surface_switch; | |
99c703ac | 1523 | return true; |
02946f4b BT |
1524 | |
1525 | case HID_DG_BUTTONSWITCH: | |
1526 | field->value[index] = button_switch; | |
99c703ac | 1527 | return true; |
7f81c8db | 1528 | } |
31ae9bdd | 1529 | |
7f81c8db BT |
1530 | return false; /* no need to update the report */ |
1531 | } | |
31ae9bdd | 1532 | |
02946f4b BT |
1533 | static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency, |
1534 | bool surface_switch, bool button_switch) | |
7f81c8db BT |
1535 | { |
1536 | struct hid_report_enum *rep_enum; | |
1537 | struct hid_report *rep; | |
1538 | struct hid_usage *usage; | |
1539 | int i, j; | |
1540 | bool update_report; | |
ec6adef5 | 1541 | bool inputmode_found = false; |
7f81c8db BT |
1542 | |
1543 | rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; | |
1544 | list_for_each_entry(rep, &rep_enum->report_list, list) { | |
1545 | update_report = false; | |
1546 | ||
1547 | for (i = 0; i < rep->maxfield; i++) { | |
1548 | /* Ignore if report count is out of bounds. */ | |
1549 | if (rep->field[i]->report_count < 1) | |
1550 | continue; | |
1551 | ||
1552 | for (j = 0; j < rep->field[i]->maxusage; j++) { | |
1553 | usage = &rep->field[i]->usage[j]; | |
1554 | ||
1555 | if (mt_need_to_apply_feature(hdev, | |
1556 | rep->field[i], | |
02946f4b BT |
1557 | usage, |
1558 | latency, | |
1559 | surface_switch, | |
ec6adef5 BT |
1560 | button_switch, |
1561 | &inputmode_found)) | |
7f81c8db BT |
1562 | update_report = true; |
1563 | } | |
31ae9bdd | 1564 | } |
7f81c8db BT |
1565 | |
1566 | if (update_report) | |
1567 | hid_hw_request(hdev, rep, HID_REQ_SET_REPORT); | |
31ae9bdd BT |
1568 | } |
1569 | } | |
1570 | ||
f146d1c4 BT |
1571 | static void mt_post_parse_default_settings(struct mt_device *td, |
1572 | struct mt_application *app) | |
4fa3a583 | 1573 | { |
3ceb3826 | 1574 | __s32 quirks = app->quirks; |
4fa3a583 HR |
1575 | |
1576 | /* unknown serial device needs special quirks */ | |
01eaac7e | 1577 | if (list_is_singular(&app->mt_usages)) { |
4fa3a583 HR |
1578 | quirks |= MT_QUIRK_ALWAYS_VALID; |
1579 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; | |
1580 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; | |
1581 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; | |
e0bb8f9a | 1582 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
4fa3a583 HR |
1583 | } |
1584 | ||
3ceb3826 | 1585 | app->quirks = quirks; |
4fa3a583 HR |
1586 | } |
1587 | ||
f146d1c4 | 1588 | static void mt_post_parse(struct mt_device *td, struct mt_application *app) |
3ac36d15 | 1589 | { |
01eaac7e | 1590 | if (!app->have_contact_count) |
3ceb3826 | 1591 | app->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
3ac36d15 BT |
1592 | } |
1593 | ||
b2c68a2f | 1594 | static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
76f5902a HR |
1595 | { |
1596 | struct mt_device *td = hid_get_drvdata(hdev); | |
c08d46aa BT |
1597 | char *name; |
1598 | const char *suffix = NULL; | |
8dfe14b3 | 1599 | struct mt_report_data *rdata; |
f146d1c4 | 1600 | struct mt_application *mt_application = NULL; |
40ec2603 | 1601 | struct hid_report *report; |
b2c68a2f | 1602 | int ret; |
76f5902a | 1603 | |
40ec2603 | 1604 | list_for_each_entry(report, &hi->reports, hidinput_list) { |
8dfe14b3 BT |
1605 | rdata = mt_find_report_data(td, report); |
1606 | if (!rdata) { | |
1607 | hid_err(hdev, "failed to allocate data for report\n"); | |
1608 | return -ENOMEM; | |
1609 | } | |
1610 | ||
1611 | mt_application = rdata->application; | |
f146d1c4 | 1612 | |
8dfe14b3 | 1613 | if (rdata->is_mt_collection) { |
f146d1c4 BT |
1614 | ret = mt_touch_input_configured(hdev, hi, |
1615 | mt_application); | |
40ec2603 BT |
1616 | if (ret) |
1617 | return ret; | |
1618 | } | |
b2c68a2f | 1619 | } |
76f5902a | 1620 | |
7ffa13be BT |
1621 | switch (hi->application) { |
1622 | case HID_GD_KEYBOARD: | |
1623 | case HID_GD_KEYPAD: | |
1624 | case HID_GD_MOUSE: | |
1625 | case HID_DG_TOUCHPAD: | |
1626 | case HID_GD_SYSTEM_CONTROL: | |
1627 | case HID_CP_CONSUMER_CONTROL: | |
1628 | case HID_GD_WIRELESS_RADIO_CTLS: | |
1629 | case HID_GD_SYSTEM_MULTIAXIS: | |
1630 | /* already handled by hid core */ | |
1631 | break; | |
1632 | case HID_DG_TOUCHSCREEN: | |
1633 | /* we do not set suffix = "Touchscreen" */ | |
1634 | hi->input->name = hdev->name; | |
1635 | break; | |
7ffa13be BT |
1636 | case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: |
1637 | suffix = "Custom Media Keys"; | |
1638 | break; | |
bc8b796f AZ |
1639 | case HID_DG_STYLUS: |
1640 | /* force BTN_STYLUS to allow tablet matching in udev */ | |
1641 | __set_bit(BTN_STYLUS, hi->input->keybit); | |
69ecd44d | 1642 | break; |
7ffa13be BT |
1643 | default: |
1644 | suffix = "UNKNOWN"; | |
1645 | break; | |
c08d46aa BT |
1646 | } |
1647 | ||
1648 | if (suffix) { | |
1649 | name = devm_kzalloc(&hi->input->dev, | |
1650 | strlen(hdev->name) + strlen(suffix) + 2, | |
1651 | GFP_KERNEL); | |
1652 | if (name) { | |
1653 | sprintf(name, "%s %s", hdev->name, suffix); | |
1654 | hi->input->name = name; | |
1655 | } | |
1656 | } | |
b2c68a2f DT |
1657 | |
1658 | return 0; | |
76f5902a HR |
1659 | } |
1660 | ||
f3287a99 BT |
1661 | static void mt_fix_const_field(struct hid_field *field, unsigned int usage) |
1662 | { | |
1663 | if (field->usage[0].hid != usage || | |
1664 | !(field->flags & HID_MAIN_ITEM_CONSTANT)) | |
1665 | return; | |
1666 | ||
1667 | field->flags &= ~HID_MAIN_ITEM_CONSTANT; | |
1668 | field->flags |= HID_MAIN_ITEM_VARIABLE; | |
1669 | } | |
1670 | ||
1671 | static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) | |
1672 | { | |
1673 | struct hid_report *report; | |
1674 | int i; | |
1675 | ||
1676 | list_for_each_entry(report, | |
1677 | &hdev->report_enum[HID_INPUT_REPORT].report_list, | |
1678 | list) { | |
1679 | ||
1680 | if (!report->maxfield) | |
1681 | continue; | |
1682 | ||
1683 | for (i = 0; i < report->maxfield; i++) | |
1684 | if (report->field[i]->maxusage >= 1) | |
1685 | mt_fix_const_field(report->field[i], usage); | |
1686 | } | |
1687 | } | |
1688 | ||
4f4001bc BT |
1689 | static void mt_release_contacts(struct hid_device *hid) |
1690 | { | |
1691 | struct hid_input *hidinput; | |
f146d1c4 | 1692 | struct mt_application *application; |
4f4001bc BT |
1693 | struct mt_device *td = hid_get_drvdata(hid); |
1694 | ||
1695 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1696 | struct input_dev *input_dev = hidinput->input; | |
1697 | struct input_mt *mt = input_dev->mt; | |
1698 | int i; | |
1699 | ||
1700 | if (mt) { | |
1701 | for (i = 0; i < mt->num_slots; i++) { | |
1702 | input_mt_slot(input_dev, i); | |
5fc70e35 | 1703 | input_mt_report_slot_inactive(input_dev); |
4f4001bc BT |
1704 | } |
1705 | input_mt_sync_frame(input_dev); | |
1706 | input_sync(input_dev); | |
1707 | } | |
1708 | } | |
1709 | ||
f146d1c4 BT |
1710 | list_for_each_entry(application, &td->applications, list) { |
1711 | application->num_received = 0; | |
1712 | } | |
4f4001bc BT |
1713 | } |
1714 | ||
0ee32774 | 1715 | static void mt_expired_timeout(struct timer_list *t) |
4f4001bc | 1716 | { |
0ee32774 KC |
1717 | struct mt_device *td = from_timer(td, t, release_timer); |
1718 | struct hid_device *hdev = td->hdev; | |
4f4001bc BT |
1719 | |
1720 | /* | |
1721 | * An input report came in just before we release the sticky fingers, | |
1722 | * it will take care of the sticky fingers. | |
1723 | */ | |
be6e2b57 | 1724 | if (test_and_set_bit_lock(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) |
4f4001bc | 1725 | return; |
96098274 BT |
1726 | if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) |
1727 | mt_release_contacts(hdev); | |
be6e2b57 | 1728 | clear_bit_unlock(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); |
4f4001bc BT |
1729 | } |
1730 | ||
5519cab4 BT |
1731 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1732 | { | |
2d93666e | 1733 | int ret, i; |
5519cab4 | 1734 | struct mt_device *td; |
cf6d15d7 | 1735 | const struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
2d93666e | 1736 | |
94b5485c HR |
1737 | for (i = 0; mt_classes[i].name ; i++) { |
1738 | if (id->driver_data == mt_classes[i].name) { | |
1739 | mtclass = &(mt_classes[i]); | |
1740 | break; | |
2d93666e BT |
1741 | } |
1742 | } | |
5519cab4 | 1743 | |
c08d46aa | 1744 | td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); |
5519cab4 BT |
1745 | if (!td) { |
1746 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
1747 | return -ENOMEM; | |
1748 | } | |
0ee32774 | 1749 | td->hdev = hdev; |
eec29e3d | 1750 | td->mtclass = *mtclass; |
9abebedb | 1751 | td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; |
5519cab4 BT |
1752 | hid_set_drvdata(hdev, td); |
1753 | ||
f146d1c4 | 1754 | INIT_LIST_HEAD(&td->applications); |
8dfe14b3 | 1755 | INIT_LIST_HEAD(&td->reports); |
f146d1c4 | 1756 | |
76f5902a HR |
1757 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
1758 | td->serial_maybe = true; | |
1759 | ||
a2f416bf AB |
1760 | |
1761 | /* Orientation is inverted if the X or Y axes are | |
1762 | * flipped, but normalized if both are inverted. | |
1763 | */ | |
1764 | if (hdev->quirks & (HID_QUIRK_X_INVERT | HID_QUIRK_Y_INVERT) && | |
1765 | !((hdev->quirks & HID_QUIRK_X_INVERT) | |
1766 | && (hdev->quirks & HID_QUIRK_Y_INVERT))) | |
1767 | td->mtclass.quirks = MT_QUIRK_ORIENTATION_INVERT; | |
1768 | ||
b897f6db BT |
1769 | /* This allows the driver to correctly support devices |
1770 | * that emit events over several HID messages. | |
1771 | */ | |
1772 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
1773 | ||
1774 | /* | |
1775 | * This allows the driver to handle different input sensors | |
40ec2603 | 1776 | * that emits events through different applications on the same HID |
b897f6db BT |
1777 | * device. |
1778 | */ | |
40ec2603 | 1779 | hdev->quirks |= HID_QUIRK_INPUT_PER_APP; |
b897f6db | 1780 | |
0d6c3011 BT |
1781 | if (id->group != HID_GROUP_MULTITOUCH_WIN_8) |
1782 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; | |
1783 | ||
40d5bb87 BT |
1784 | if (mtclass->quirks & MT_QUIRK_FORCE_MULTI_INPUT) { |
1785 | hdev->quirks &= ~HID_QUIRK_INPUT_PER_APP; | |
1786 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; | |
1787 | } | |
1788 | ||
0ee32774 | 1789 | timer_setup(&td->release_timer, mt_expired_timeout, 0); |
4f4001bc | 1790 | |
5519cab4 BT |
1791 | ret = hid_parse(hdev); |
1792 | if (ret != 0) | |
c08d46aa | 1793 | return ret; |
5519cab4 | 1794 | |
f3287a99 BT |
1795 | if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) |
1796 | mt_fix_const_fields(hdev, HID_DG_CONTACTID); | |
1797 | ||
5519cab4 | 1798 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
2d93666e | 1799 | if (ret) |
c08d46aa | 1800 | return ret; |
5519cab4 | 1801 | |
eec29e3d | 1802 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
0c4b3c63 NK |
1803 | if (ret) |
1804 | dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", | |
1805 | hdev->name); | |
eec29e3d | 1806 | |
02946f4b | 1807 | mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); |
5519cab4 BT |
1808 | |
1809 | return 0; | |
5519cab4 BT |
1810 | } |
1811 | ||
1812 | #ifdef CONFIG_PM | |
c7aa374e BH |
1813 | static int mt_suspend(struct hid_device *hdev, pm_message_t state) |
1814 | { | |
31a4cf1d HG |
1815 | struct mt_device *td = hid_get_drvdata(hdev); |
1816 | ||
c7aa374e | 1817 | /* High latency is desirable for power savings during S3/S0ix */ |
498d0ddc HG |
1818 | if ((td->mtclass.quirks & MT_QUIRK_DISABLE_WAKEUP) || |
1819 | !hid_hw_may_wakeup(hdev)) | |
31a4cf1d HG |
1820 | mt_set_modes(hdev, HID_LATENCY_HIGH, false, false); |
1821 | else | |
1822 | mt_set_modes(hdev, HID_LATENCY_HIGH, true, true); | |
1823 | ||
c7aa374e BH |
1824 | return 0; |
1825 | } | |
1826 | ||
5519cab4 BT |
1827 | static int mt_reset_resume(struct hid_device *hdev) |
1828 | { | |
d3e69b9a | 1829 | mt_release_contacts(hdev); |
02946f4b | 1830 | mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); |
5519cab4 BT |
1831 | return 0; |
1832 | } | |
dfeefd10 SL |
1833 | |
1834 | static int mt_resume(struct hid_device *hdev) | |
1835 | { | |
dfeefd10 SL |
1836 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
1837 | * It should be safe to send it to other devices too. | |
1838 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ | |
1839 | ||
4ba25d3f | 1840 | hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
dfeefd10 | 1841 | |
c7aa374e BH |
1842 | mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); |
1843 | ||
dfeefd10 SL |
1844 | return 0; |
1845 | } | |
5519cab4 BT |
1846 | #endif |
1847 | ||
1848 | static void mt_remove(struct hid_device *hdev) | |
1849 | { | |
b897f6db BT |
1850 | struct mt_device *td = hid_get_drvdata(hdev); |
1851 | ||
4f4001bc BT |
1852 | del_timer_sync(&td->release_timer); |
1853 | ||
eec29e3d | 1854 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
5939212d | 1855 | hid_hw_stop(hdev); |
5519cab4 BT |
1856 | } |
1857 | ||
0fa9c616 BT |
1858 | /* |
1859 | * This list contains only: | |
1860 | * - VID/PID of products not working with the default multitouch handling | |
1861 | * - 2 generic rules. | |
1862 | * So there is no point in adding here any device with MT_CLS_DEFAULT. | |
1863 | */ | |
5519cab4 BT |
1864 | static const struct hid_device_id mt_devices[] = { |
1865 | ||
f786bba4 BT |
1866 | /* 3M panels */ |
1867 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1868 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 BT |
1869 | USB_DEVICE_ID_3M1968) }, |
1870 | { .driver_data = MT_CLS_3M, | |
2c2110e9 | 1871 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
f786bba4 | 1872 | USB_DEVICE_ID_3M2256) }, |
c4fad877 | 1873 | { .driver_data = MT_CLS_3M, |
2c2110e9 | 1874 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
c4fad877 | 1875 | USB_DEVICE_ID_3M3266) }, |
f786bba4 | 1876 | |
6aef704e BT |
1877 | /* Anton devices */ |
1878 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1879 | MT_USB_DEVICE(USB_VENDOR_ID_ANTON, | |
1880 | USB_DEVICE_ID_ANTON_TOUCH_PAD) }, | |
e6aac342 | 1881 | |
31a4cf1d HG |
1882 | /* Asus T101HA */ |
1883 | { .driver_data = MT_CLS_WIN_8_DISABLE_WAKEUP, | |
1884 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1885 | USB_VENDOR_ID_ASUSTEK, | |
1886 | USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) }, | |
1887 | ||
957b8dff JPRV |
1888 | /* Asus T304UA */ |
1889 | { .driver_data = MT_CLS_ASUS, | |
1890 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
1891 | USB_VENDOR_ID_ASUSTEK, | |
1892 | USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, | |
1893 | ||
b1057124 | 1894 | /* Atmel panels */ |
841cb157 | 1895 | { .driver_data = MT_CLS_SERIAL, |
2c2110e9 | 1896 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
841cb157 | 1897 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
b1057124 | 1898 | |
9ed32695 | 1899 | /* Baanto multitouch devices */ |
dc3e1d80 | 1900 | { .driver_data = MT_CLS_NSMU, |
16b79bb8 | 1901 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
9ed32695 | 1902 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
0fa9c616 | 1903 | |
a841b62c BT |
1904 | /* Cando panels */ |
1905 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 1906 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c | 1907 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
a841b62c | 1908 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2c2110e9 | 1909 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
a841b62c BT |
1910 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
1911 | ||
942fd422 | 1912 | /* Chunghwa Telecom touch panels */ |
dc3e1d80 | 1913 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1914 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
942fd422 AZ |
1915 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
1916 | ||
070f63b4 YB |
1917 | /* CJTouch panels */ |
1918 | { .driver_data = MT_CLS_NSMU, | |
1919 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1920 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, | |
1921 | { .driver_data = MT_CLS_NSMU, | |
1922 | MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, | |
1923 | USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, | |
1924 | ||
79603dc9 | 1925 | /* CVTouch panels */ |
dc3e1d80 | 1926 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 1927 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
79603dc9 BT |
1928 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
1929 | ||
32bea357 OZ |
1930 | /* eGalax devices (SAW) */ |
1931 | { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, | |
1932 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1933 | USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER) }, | |
1934 | ||
22408283 | 1935 | /* eGalax devices (resistive) */ |
e36f690b | 1936 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1937 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b BT |
1938 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1939 | { .driver_data = MT_CLS_EGALAX, | |
2c2110e9 | 1940 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1941 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
22408283 BT |
1942 | |
1943 | /* eGalax devices (capacitive) */ | |
fd1d1525 | 1944 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1945 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1946 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
aa672da1 | 1947 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1948 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1949 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
fd1d1525 | 1950 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1951 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1952 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
2ce09df4 | 1953 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1954 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
2ce09df4 | 1955 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
aa672da1 | 1956 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1957 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
aa672da1 | 1958 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
fd1d1525 | 1959 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1960 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1961 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
aa672da1 AS |
1962 | { .driver_data = MT_CLS_EGALAX, |
1963 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1964 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, | |
e36f690b | 1965 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1966 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1967 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
fd1d1525 | 1968 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1969 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1970 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
aa672da1 AS |
1971 | { .driver_data = MT_CLS_EGALAX, |
1972 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1973 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, | |
1974 | { .driver_data = MT_CLS_EGALAX, | |
1975 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1976 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, | |
66f06127 | 1977 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1978 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
66f06127 | 1979 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
bb9ff210 | 1980 | { .driver_data = MT_CLS_EGALAX, |
2c2110e9 | 1981 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
bb9ff210 | 1982 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
fd1d1525 | 1983 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1984 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
fd1d1525 | 1985 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1b723e8d | 1986 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
ae01c9e5 TR |
1987 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1988 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, | |
1b723e8d | 1989 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
2c2110e9 | 1990 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
e36f690b | 1991 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
f9e82295 SR |
1992 | { .driver_data = MT_CLS_EGALAX, |
1993 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
1994 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) }, | |
22408283 | 1995 | |
40d5bb87 BT |
1996 | /* Elan devices */ |
1997 | { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, | |
1998 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
1999 | USB_VENDOR_ID_ELAN, 0x313a) }, | |
2000 | ||
4eab1c2f JE |
2001 | { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, |
2002 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
2003 | USB_VENDOR_ID_ELAN, 0x3148) }, | |
2004 | ||
7c7606a2 TS |
2005 | /* Elitegroup panel */ |
2006 | { .driver_data = MT_CLS_SERIAL, | |
2007 | MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, | |
2008 | USB_DEVICE_ID_ELITEGROUP_05D8) }, | |
2009 | ||
77723e3b HR |
2010 | /* Flatfrog Panels */ |
2011 | { .driver_data = MT_CLS_FLATFROG, | |
2012 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, | |
2013 | USB_DEVICE_ID_MULTITOUCH_3200) }, | |
2014 | ||
3db187e7 BT |
2015 | /* FocalTech Panels */ |
2016 | { .driver_data = MT_CLS_SERIAL, | |
2017 | MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, | |
2018 | USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, | |
2019 | ||
5572da08 | 2020 | /* GeneralTouch panel */ |
f5ff4e1e | 2021 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2c2110e9 | 2022 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
5572da08 | 2023 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
f5ff4e1e XY |
2024 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
2025 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
2026 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, | |
7b226292 L |
2027 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
2028 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
2029 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, | |
2030 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
2031 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
2032 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, | |
2033 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
2034 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
2035 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, | |
2036 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
2037 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
2038 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, | |
2039 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, | |
2040 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, | |
2041 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, | |
5572da08 | 2042 | |
4d5df5d1 | 2043 | /* Gametel game controller */ |
dc3e1d80 | 2044 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2045 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
4d5df5d1 AN |
2046 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
2047 | ||
ee0fbd14 | 2048 | /* GoodTouch panels */ |
dc3e1d80 | 2049 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2050 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
ee0fbd14 BT |
2051 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
2052 | ||
54580365 BT |
2053 | /* Hanvon panels */ |
2054 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
2c2110e9 | 2055 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
54580365 BT |
2056 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
2057 | ||
4e61f0d7 | 2058 | /* Ilitek dual touch panel */ |
dc3e1d80 | 2059 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2060 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
4e61f0d7 AZ |
2061 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
2062 | ||
f3287a99 BT |
2063 | /* LG Melfas panel */ |
2064 | { .driver_data = MT_CLS_LG, | |
2065 | HID_USB_DEVICE(USB_VENDOR_ID_LG, | |
2066 | USB_DEVICE_ID_LG_MELFAS_MT) }, | |
348b80b2 AM |
2067 | { .driver_data = MT_CLS_LG, |
2068 | HID_DEVICE(BUS_I2C, HID_GROUP_GENERIC, | |
2069 | USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_7010) }, | |
f3287a99 | 2070 | |
4a6a4c96 MW |
2071 | /* Lenovo X1 TAB Gen 2 */ |
2072 | { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, | |
2073 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
2074 | USB_VENDOR_ID_LENOVO, | |
2075 | USB_DEVICE_ID_LENOVO_X1_TAB) }, | |
2076 | ||
140958da MW |
2077 | /* Lenovo X1 TAB Gen 3 */ |
2078 | { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, | |
2079 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, | |
2080 | USB_VENDOR_ID_LENOVO, | |
2081 | USB_DEVICE_ID_LENOVO_X1_TAB3) }, | |
2082 | ||
95cd2cdc | 2083 | /* Lenovo X12 TAB Gen 1 */ |
54eed5c7 | 2084 | { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, |
95cd2cdc TJ |
2085 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, |
2086 | USB_VENDOR_ID_LENOVO, | |
2087 | USB_DEVICE_ID_LENOVO_X12_TAB) }, | |
2088 | ||
4a6ee685 BT |
2089 | /* MosArt panels */ |
2090 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 2091 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
2092 | USB_DEVICE_ID_ASUS_T91MT)}, |
2093 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 2094 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
4a6ee685 BT |
2095 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
2096 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, | |
2c2110e9 | 2097 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
4a6ee685 BT |
2098 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
2099 | ||
4db703ea | 2100 | /* Novatek Panel */ |
dc3e1d80 | 2101 | { .driver_data = MT_CLS_NSMU, |
4380d819 | 2102 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
4db703ea AH |
2103 | USB_DEVICE_ID_NOVATEK_PCT) }, |
2104 | ||
a80e803a BT |
2105 | /* Ntrig Panel */ |
2106 | { .driver_data = MT_CLS_NSMU, | |
2107 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
2108 | USB_VENDOR_ID_NTRIG, 0x1b05) }, | |
2109 | ||
fb55b402 HG |
2110 | /* Panasonic panels */ |
2111 | { .driver_data = MT_CLS_PANASONIC, | |
2112 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
2113 | USB_DEVICE_ID_PANABOARD_UBT780) }, | |
2114 | { .driver_data = MT_CLS_PANASONIC, | |
2115 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, | |
2116 | USB_DEVICE_ID_PANABOARD_UBT880) }, | |
2117 | ||
b7ea95ff AT |
2118 | /* PixArt optical touch screen */ |
2119 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 2120 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
2121 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
2122 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 2123 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
2124 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
2125 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, | |
2c2110e9 | 2126 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
b7ea95ff AT |
2127 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
2128 | ||
5519cab4 | 2129 | /* PixCir-based panels */ |
1e9cf35b | 2130 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
2c2110e9 | 2131 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
5519cab4 BT |
2132 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
2133 | ||
5e7ea11f | 2134 | /* Quanta-based panels */ |
5e7ea11f | 2135 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
2c2110e9 | 2136 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
5e7ea11f | 2137 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
a6802e00 | 2138 | |
843e475f BT |
2139 | /* Razer touchpads */ |
2140 | { .driver_data = MT_CLS_RAZER_BLADE_STEALTH, | |
2141 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
2142 | USB_VENDOR_ID_SYNAPTICS, 0x8323) }, | |
2143 | ||
69ecd44d BT |
2144 | /* Smart Tech panels */ |
2145 | { .driver_data = MT_CLS_SMART_TECH, | |
2146 | MT_USB_DEVICE(0x0b8c, 0x0092)}, | |
2147 | ||
043b403a | 2148 | /* Stantum panels */ |
bf5af9b5 | 2149 | { .driver_data = MT_CLS_CONFIDENCE, |
2c2110e9 | 2150 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
043b403a | 2151 | USB_DEVICE_ID_MTP_STM)}, |
043b403a | 2152 | |
40d5bb87 BT |
2153 | /* Synaptics devices */ |
2154 | { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, | |
2155 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
2156 | USB_VENDOR_ID_SYNAPTICS, 0xce08) }, | |
2157 | ||
c3d6eb6e KHF |
2158 | { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, |
2159 | HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, | |
2160 | USB_VENDOR_ID_SYNAPTICS, 0xce09) }, | |
2161 | ||
847672cd BT |
2162 | /* TopSeed panels */ |
2163 | { .driver_data = MT_CLS_TOPSEED, | |
2c2110e9 | 2164 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
847672cd BT |
2165 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
2166 | ||
5e74e56d | 2167 | /* Touch International panels */ |
dc3e1d80 | 2168 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2169 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
5e74e56d BT |
2170 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
2171 | ||
617b64f9 | 2172 | /* Unitec panels */ |
dc3e1d80 | 2173 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2174 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 2175 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
dc3e1d80 | 2176 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2177 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
617b64f9 | 2178 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
bf9d121e | 2179 | |
da10bc25 MM |
2180 | /* VTL panels */ |
2181 | { .driver_data = MT_CLS_VTL, | |
2182 | MT_USB_DEVICE(USB_VENDOR_ID_VTL, | |
2183 | USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, | |
2184 | ||
08b9a61a JE |
2185 | /* Winbond Electronics Corp. */ |
2186 | { .driver_data = MT_CLS_WIN_8_NO_STICKY_FINGERS, | |
2187 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
2188 | USB_VENDOR_ID_WINBOND, USB_DEVICE_ID_TSTP_MTOUCH) }, | |
2189 | ||
bf9d121e KC |
2190 | /* Wistron panels */ |
2191 | { .driver_data = MT_CLS_NSMU, | |
2192 | MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, | |
2193 | USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, | |
2194 | ||
bc8a2a9b | 2195 | /* XAT */ |
dc3e1d80 | 2196 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2197 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
bc8a2a9b | 2198 | USB_DEVICE_ID_XAT_CSR) }, |
617b64f9 | 2199 | |
11576c61 | 2200 | /* Xiroku */ |
dc3e1d80 | 2201 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2202 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2203 | USB_DEVICE_ID_XIROKU_SPX) }, |
dc3e1d80 | 2204 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2205 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2206 | USB_DEVICE_ID_XIROKU_MPX) }, |
dc3e1d80 | 2207 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2208 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2209 | USB_DEVICE_ID_XIROKU_CSR) }, |
dc3e1d80 | 2210 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2211 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2212 | USB_DEVICE_ID_XIROKU_SPX1) }, |
dc3e1d80 | 2213 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2214 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2215 | USB_DEVICE_ID_XIROKU_MPX1) }, |
dc3e1d80 | 2216 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2217 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2218 | USB_DEVICE_ID_XIROKU_CSR1) }, |
dc3e1d80 | 2219 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2220 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2221 | USB_DEVICE_ID_XIROKU_SPX2) }, |
dc3e1d80 | 2222 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2223 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 | 2224 | USB_DEVICE_ID_XIROKU_MPX2) }, |
dc3e1d80 | 2225 | { .driver_data = MT_CLS_NSMU, |
2c2110e9 | 2226 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
11576c61 MH |
2227 | USB_DEVICE_ID_XIROKU_CSR2) }, |
2228 | ||
0e82232c WNH |
2229 | /* Google MT devices */ |
2230 | { .driver_data = MT_CLS_GOOGLE, | |
2231 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, | |
2232 | USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, | |
1d07cef7 MM |
2233 | { .driver_data = MT_CLS_GOOGLE, |
2234 | HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_GOOGLE, | |
2235 | USB_DEVICE_ID_GOOGLE_WHISKERS) }, | |
0e82232c | 2236 | |
4fa3a583 HR |
2237 | /* Generic MT device */ |
2238 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, | |
f961bd35 BT |
2239 | |
2240 | /* Generic Win 8 certified MT device */ | |
2241 | { .driver_data = MT_CLS_WIN_8, | |
2242 | HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, | |
2243 | HID_ANY_ID, HID_ANY_ID) }, | |
5519cab4 BT |
2244 | { } |
2245 | }; | |
2246 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
2247 | ||
2248 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
2249 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
2250 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
2251 | }; | |
2252 | ||
2253 | static struct hid_driver mt_driver = { | |
2254 | .name = "hid-multitouch", | |
2255 | .id_table = mt_devices, | |
2256 | .probe = mt_probe, | |
2257 | .remove = mt_remove, | |
2258 | .input_mapping = mt_input_mapping, | |
2259 | .input_mapped = mt_input_mapped, | |
76f5902a | 2260 | .input_configured = mt_input_configured, |
5519cab4 BT |
2261 | .feature_mapping = mt_feature_mapping, |
2262 | .usage_table = mt_grabbed_usages, | |
2263 | .event = mt_event, | |
55978fa9 | 2264 | .report = mt_report, |
5519cab4 | 2265 | #ifdef CONFIG_PM |
c7aa374e | 2266 | .suspend = mt_suspend, |
5519cab4 | 2267 | .reset_resume = mt_reset_resume, |
dfeefd10 | 2268 | .resume = mt_resume, |
5519cab4 BT |
2269 | #endif |
2270 | }; | |
f425458e | 2271 | module_hid_driver(mt_driver); |