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5519cab4 BT |
1 | /* |
2 | * HID driver for multitouch panels | |
3 | * | |
4 | * Copyright (c) 2010-2011 Stephane Chatty <chatty@enac.fr> | |
5 | * Copyright (c) 2010-2011 Benjamin Tissoires <benjamin.tissoires@gmail.com> | |
6 | * Copyright (c) 2010-2011 Ecole Nationale de l'Aviation Civile, France | |
7 | * | |
4875ac11 RN |
8 | * This code is partly based on hid-egalax.c: |
9 | * | |
10 | * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> | |
11 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> | |
12 | * Copyright (c) 2010 Canonical, Ltd. | |
13 | * | |
5519cab4 BT |
14 | */ |
15 | ||
16 | /* | |
17 | * This program is free software; you can redistribute it and/or modify it | |
18 | * under the terms of the GNU General Public License as published by the Free | |
19 | * Software Foundation; either version 2 of the License, or (at your option) | |
20 | * any later version. | |
21 | */ | |
22 | ||
23 | #include <linux/device.h> | |
24 | #include <linux/hid.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/slab.h> | |
27 | #include <linux/usb.h> | |
28 | #include <linux/input/mt.h> | |
29 | #include "usbhid/usbhid.h" | |
30 | ||
31 | ||
32 | MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); | |
ef2fafb3 | 33 | MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); |
5519cab4 BT |
34 | MODULE_DESCRIPTION("HID multitouch panels"); |
35 | MODULE_LICENSE("GPL"); | |
36 | ||
37 | #include "hid-ids.h" | |
38 | ||
39 | /* quirks to control the device */ | |
40 | #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0) | |
41 | #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1) | |
2d93666e | 42 | #define MT_QUIRK_CYPRESS (1 << 2) |
5572da08 | 43 | #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3) |
2d93666e BT |
44 | #define MT_QUIRK_VALID_IS_INRANGE (1 << 4) |
45 | #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 5) | |
4875ac11 | 46 | #define MT_QUIRK_EGALAX_XYZ_FIXUP (1 << 6) |
5519cab4 BT |
47 | |
48 | struct mt_slot { | |
49 | __s32 x, y, p, w, h; | |
50 | __s32 contactid; /* the device ContactID assigned to this slot */ | |
51 | bool touch_state; /* is the touch valid? */ | |
52 | bool seen_in_this_frame;/* has this slot been updated */ | |
53 | }; | |
54 | ||
55 | struct mt_device { | |
56 | struct mt_slot curdata; /* placeholder of incoming data */ | |
57 | struct mt_class *mtclass; /* our mt device class */ | |
58 | unsigned last_field_index; /* last field index of the report */ | |
59 | unsigned last_slot_field; /* the last field of a slot */ | |
60 | __s8 inputmode; /* InputMode HID feature, -1 if non-existent */ | |
61 | __u8 num_received; /* how many contacts we received */ | |
62 | __u8 num_expected; /* expected last contact index */ | |
63 | bool curvalid; /* is the current contact valid? */ | |
64 | struct mt_slot slots[0]; /* first slot */ | |
65 | }; | |
66 | ||
67 | struct mt_class { | |
2d93666e | 68 | __s32 name; /* MT_CLS */ |
5519cab4 BT |
69 | __s32 quirks; |
70 | __s32 sn_move; /* Signal/noise ratio for move events */ | |
71 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ | |
72 | __u8 maxcontacts; | |
73 | }; | |
74 | ||
75 | /* classes of device behavior */ | |
1e9cf35b BT |
76 | #define MT_CLS_DEFAULT 1 |
77 | #define MT_CLS_DUAL_INRANGE_CONTACTID 2 | |
78 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 3 | |
79 | #define MT_CLS_CYPRESS 4 | |
4875ac11 | 80 | #define MT_CLS_EGALAX 5 |
5519cab4 BT |
81 | |
82 | /* | |
83 | * these device-dependent functions determine what slot corresponds | |
84 | * to a valid contact that was just read. | |
85 | */ | |
86 | ||
a3b5e577 BT |
87 | static int cypress_compute_slot(struct mt_device *td) |
88 | { | |
89 | if (td->curdata.contactid != 0 || td->num_received == 0) | |
90 | return td->curdata.contactid; | |
91 | else | |
92 | return -1; | |
93 | } | |
94 | ||
5519cab4 BT |
95 | static int find_slot_from_contactid(struct mt_device *td) |
96 | { | |
97 | int i; | |
98 | for (i = 0; i < td->mtclass->maxcontacts; ++i) { | |
99 | if (td->slots[i].contactid == td->curdata.contactid && | |
100 | td->slots[i].touch_state) | |
101 | return i; | |
102 | } | |
103 | for (i = 0; i < td->mtclass->maxcontacts; ++i) { | |
104 | if (!td->slots[i].seen_in_this_frame && | |
105 | !td->slots[i].touch_state) | |
106 | return i; | |
107 | } | |
5519cab4 BT |
108 | /* should not occurs. If this happens that means |
109 | * that the device sent more touches that it says | |
110 | * in the report descriptor. It is ignored then. */ | |
2d93666e | 111 | return -1; |
5519cab4 BT |
112 | } |
113 | ||
114 | struct mt_class mt_classes[] = { | |
2d93666e | 115 | { .name = MT_CLS_DEFAULT, |
b79b36be | 116 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, |
2d93666e | 117 | .maxcontacts = 10 }, |
1e9cf35b | 118 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
2d93666e BT |
119 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
120 | MT_QUIRK_SLOT_IS_CONTACTID, | |
121 | .maxcontacts = 2 }, | |
1e9cf35b | 122 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
2d93666e BT |
123 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
124 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, | |
125 | .maxcontacts = 2 }, | |
126 | { .name = MT_CLS_CYPRESS, | |
127 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | | |
128 | MT_QUIRK_CYPRESS, | |
129 | .maxcontacts = 10 }, | |
130 | ||
4875ac11 RN |
131 | { .name = MT_CLS_EGALAX, |
132 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | | |
133 | MT_QUIRK_VALID_IS_INRANGE | | |
134 | MT_QUIRK_EGALAX_XYZ_FIXUP, | |
135 | .maxcontacts = 2, | |
136 | .sn_move = 4096, | |
137 | .sn_pressure = 32, | |
138 | }, | |
2d93666e | 139 | { } |
5519cab4 BT |
140 | }; |
141 | ||
f635bd11 | 142 | static void mt_feature_mapping(struct hid_device *hdev, |
5519cab4 BT |
143 | struct hid_field *field, struct hid_usage *usage) |
144 | { | |
145 | if (usage->hid == HID_DG_INPUTMODE) { | |
146 | struct mt_device *td = hid_get_drvdata(hdev); | |
147 | td->inputmode = field->report->id; | |
148 | } | |
149 | } | |
150 | ||
151 | static void set_abs(struct input_dev *input, unsigned int code, | |
152 | struct hid_field *field, int snratio) | |
153 | { | |
154 | int fmin = field->logical_minimum; | |
155 | int fmax = field->logical_maximum; | |
156 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; | |
157 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); | |
158 | } | |
159 | ||
160 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
161 | struct hid_field *field, struct hid_usage *usage, | |
162 | unsigned long **bit, int *max) | |
163 | { | |
164 | struct mt_device *td = hid_get_drvdata(hdev); | |
165 | struct mt_class *cls = td->mtclass; | |
4875ac11 RN |
166 | __s32 quirks = cls->quirks; |
167 | ||
5519cab4 BT |
168 | switch (usage->hid & HID_USAGE_PAGE) { |
169 | ||
170 | case HID_UP_GENDESK: | |
171 | switch (usage->hid) { | |
172 | case HID_GD_X: | |
4875ac11 RN |
173 | if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) |
174 | field->logical_maximum = 32760; | |
5519cab4 BT |
175 | hid_map_usage(hi, usage, bit, max, |
176 | EV_ABS, ABS_MT_POSITION_X); | |
177 | set_abs(hi->input, ABS_MT_POSITION_X, field, | |
178 | cls->sn_move); | |
179 | /* touchscreen emulation */ | |
180 | set_abs(hi->input, ABS_X, field, cls->sn_move); | |
181 | td->last_slot_field = usage->hid; | |
182 | return 1; | |
183 | case HID_GD_Y: | |
4875ac11 RN |
184 | if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) |
185 | field->logical_maximum = 32760; | |
5519cab4 BT |
186 | hid_map_usage(hi, usage, bit, max, |
187 | EV_ABS, ABS_MT_POSITION_Y); | |
188 | set_abs(hi->input, ABS_MT_POSITION_Y, field, | |
189 | cls->sn_move); | |
190 | /* touchscreen emulation */ | |
191 | set_abs(hi->input, ABS_Y, field, cls->sn_move); | |
192 | td->last_slot_field = usage->hid; | |
193 | return 1; | |
194 | } | |
195 | return 0; | |
196 | ||
197 | case HID_UP_DIGITIZER: | |
198 | switch (usage->hid) { | |
199 | case HID_DG_INRANGE: | |
200 | td->last_slot_field = usage->hid; | |
201 | return 1; | |
202 | case HID_DG_CONFIDENCE: | |
203 | td->last_slot_field = usage->hid; | |
204 | return 1; | |
205 | case HID_DG_TIPSWITCH: | |
206 | hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); | |
207 | input_set_capability(hi->input, EV_KEY, BTN_TOUCH); | |
208 | td->last_slot_field = usage->hid; | |
209 | return 1; | |
210 | case HID_DG_CONTACTID: | |
211 | input_mt_init_slots(hi->input, | |
212 | td->mtclass->maxcontacts); | |
213 | td->last_slot_field = usage->hid; | |
214 | return 1; | |
215 | case HID_DG_WIDTH: | |
216 | hid_map_usage(hi, usage, bit, max, | |
217 | EV_ABS, ABS_MT_TOUCH_MAJOR); | |
218 | td->last_slot_field = usage->hid; | |
219 | return 1; | |
220 | case HID_DG_HEIGHT: | |
221 | hid_map_usage(hi, usage, bit, max, | |
222 | EV_ABS, ABS_MT_TOUCH_MINOR); | |
223 | field->logical_maximum = 1; | |
2d93666e | 224 | field->logical_minimum = 0; |
5519cab4 BT |
225 | set_abs(hi->input, ABS_MT_ORIENTATION, field, 0); |
226 | td->last_slot_field = usage->hid; | |
227 | return 1; | |
228 | case HID_DG_TIPPRESSURE: | |
4875ac11 RN |
229 | if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) |
230 | field->logical_minimum = 0; | |
5519cab4 BT |
231 | hid_map_usage(hi, usage, bit, max, |
232 | EV_ABS, ABS_MT_PRESSURE); | |
233 | set_abs(hi->input, ABS_MT_PRESSURE, field, | |
234 | cls->sn_pressure); | |
235 | /* touchscreen emulation */ | |
236 | set_abs(hi->input, ABS_PRESSURE, field, | |
237 | cls->sn_pressure); | |
238 | td->last_slot_field = usage->hid; | |
239 | return 1; | |
240 | case HID_DG_CONTACTCOUNT: | |
241 | td->last_field_index = field->report->maxfield - 1; | |
242 | return 1; | |
243 | case HID_DG_CONTACTMAX: | |
244 | /* we don't set td->last_slot_field as contactcount and | |
245 | * contact max are global to the report */ | |
246 | return -1; | |
247 | } | |
248 | /* let hid-input decide for the others */ | |
249 | return 0; | |
250 | ||
251 | case 0xff000000: | |
252 | /* we do not want to map these: no input-oriented meaning */ | |
253 | return -1; | |
254 | } | |
255 | ||
256 | return 0; | |
257 | } | |
258 | ||
259 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, | |
260 | struct hid_field *field, struct hid_usage *usage, | |
261 | unsigned long **bit, int *max) | |
262 | { | |
263 | if (usage->type == EV_KEY || usage->type == EV_ABS) | |
264 | set_bit(usage->type, hi->input->evbit); | |
265 | ||
266 | return -1; | |
267 | } | |
268 | ||
269 | static int mt_compute_slot(struct mt_device *td) | |
270 | { | |
2d93666e | 271 | __s32 quirks = td->mtclass->quirks; |
5519cab4 | 272 | |
2d93666e BT |
273 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
274 | return td->curdata.contactid; | |
5519cab4 | 275 | |
2d93666e | 276 | if (quirks & MT_QUIRK_CYPRESS) |
a3b5e577 BT |
277 | return cypress_compute_slot(td); |
278 | ||
2d93666e BT |
279 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
280 | return td->num_received; | |
5572da08 | 281 | |
5519cab4 BT |
282 | return find_slot_from_contactid(td); |
283 | } | |
284 | ||
285 | /* | |
286 | * this function is called when a whole contact has been processed, | |
287 | * so that it can assign it to a slot and store the data there | |
288 | */ | |
289 | static void mt_complete_slot(struct mt_device *td) | |
290 | { | |
2d93666e | 291 | td->curdata.seen_in_this_frame = true; |
5519cab4 | 292 | if (td->curvalid) { |
5519cab4 BT |
293 | int slotnum = mt_compute_slot(td); |
294 | ||
2d93666e BT |
295 | if (slotnum >= 0 && slotnum < td->mtclass->maxcontacts) |
296 | td->slots[slotnum] = td->curdata; | |
5519cab4 BT |
297 | } |
298 | td->num_received++; | |
299 | } | |
300 | ||
301 | ||
302 | /* | |
303 | * this function is called when a whole packet has been received and processed, | |
304 | * so that it can decide what to send to the input layer. | |
305 | */ | |
306 | static void mt_emit_event(struct mt_device *td, struct input_dev *input) | |
307 | { | |
308 | int i; | |
309 | ||
310 | for (i = 0; i < td->mtclass->maxcontacts; ++i) { | |
311 | struct mt_slot *s = &(td->slots[i]); | |
312 | if ((td->mtclass->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) && | |
313 | !s->seen_in_this_frame) { | |
5519cab4 BT |
314 | s->touch_state = false; |
315 | } | |
316 | ||
317 | input_mt_slot(input, i); | |
318 | input_mt_report_slot_state(input, MT_TOOL_FINGER, | |
319 | s->touch_state); | |
2d93666e BT |
320 | if (s->touch_state) { |
321 | input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); | |
322 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); | |
323 | input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); | |
324 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, s->w); | |
325 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, s->h); | |
326 | } | |
5519cab4 BT |
327 | s->seen_in_this_frame = false; |
328 | ||
329 | } | |
330 | ||
331 | input_mt_report_pointer_emulation(input, true); | |
332 | input_sync(input); | |
333 | td->num_received = 0; | |
334 | } | |
335 | ||
336 | ||
337 | ||
338 | static int mt_event(struct hid_device *hid, struct hid_field *field, | |
339 | struct hid_usage *usage, __s32 value) | |
340 | { | |
341 | struct mt_device *td = hid_get_drvdata(hid); | |
2d93666e | 342 | __s32 quirks = td->mtclass->quirks; |
5519cab4 BT |
343 | |
344 | if (hid->claimed & HID_CLAIMED_INPUT) { | |
345 | switch (usage->hid) { | |
346 | case HID_DG_INRANGE: | |
2d93666e BT |
347 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
348 | td->curvalid = value; | |
5519cab4 BT |
349 | break; |
350 | case HID_DG_TIPSWITCH: | |
2d93666e BT |
351 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
352 | td->curvalid = value; | |
5519cab4 BT |
353 | td->curdata.touch_state = value; |
354 | break; | |
355 | case HID_DG_CONFIDENCE: | |
2d93666e BT |
356 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
357 | td->curvalid = value; | |
5519cab4 BT |
358 | break; |
359 | case HID_DG_CONTACTID: | |
360 | td->curdata.contactid = value; | |
361 | break; | |
362 | case HID_DG_TIPPRESSURE: | |
363 | td->curdata.p = value; | |
364 | break; | |
365 | case HID_GD_X: | |
366 | td->curdata.x = value; | |
367 | break; | |
368 | case HID_GD_Y: | |
369 | td->curdata.y = value; | |
370 | break; | |
371 | case HID_DG_WIDTH: | |
372 | td->curdata.w = value; | |
373 | break; | |
374 | case HID_DG_HEIGHT: | |
375 | td->curdata.h = value; | |
376 | break; | |
377 | case HID_DG_CONTACTCOUNT: | |
378 | /* | |
2d93666e BT |
379 | * Includes multi-packet support where subsequent |
380 | * packets are sent with zero contactcount. | |
5519cab4 BT |
381 | */ |
382 | if (value) | |
2d93666e | 383 | td->num_expected = value; |
5519cab4 BT |
384 | break; |
385 | ||
386 | default: | |
387 | /* fallback to the generic hidinput handling */ | |
388 | return 0; | |
389 | } | |
5519cab4 | 390 | |
f153fc39 | 391 | if (usage->hid == td->last_slot_field) { |
2d93666e | 392 | mt_complete_slot(td); |
f153fc39 HR |
393 | if (!td->last_field_index) |
394 | mt_emit_event(td, field->hidinput->input); | |
395 | } | |
2d93666e BT |
396 | |
397 | if (field->index == td->last_field_index | |
398 | && td->num_received >= td->num_expected) | |
399 | mt_emit_event(td, field->hidinput->input); | |
5519cab4 | 400 | |
2d93666e | 401 | } |
5519cab4 BT |
402 | |
403 | /* we have handled the hidinput part, now remains hiddev */ | |
404 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) | |
405 | hid->hiddev_hid_event(hid, field, usage, value); | |
406 | ||
407 | return 1; | |
408 | } | |
409 | ||
410 | static void mt_set_input_mode(struct hid_device *hdev) | |
411 | { | |
412 | struct mt_device *td = hid_get_drvdata(hdev); | |
413 | struct hid_report *r; | |
414 | struct hid_report_enum *re; | |
415 | ||
416 | if (td->inputmode < 0) | |
417 | return; | |
418 | ||
419 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
420 | r = re->report_id_hash[td->inputmode]; | |
421 | if (r) { | |
422 | r->field[0]->value[0] = 0x02; | |
423 | usbhid_submit_report(hdev, r, USB_DIR_OUT); | |
424 | } | |
425 | } | |
426 | ||
427 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
428 | { | |
2d93666e | 429 | int ret, i; |
5519cab4 | 430 | struct mt_device *td; |
2d93666e BT |
431 | struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
432 | ||
433 | for (i = 0; mt_classes[i].name ; i++) { | |
434 | if (id->driver_data == mt_classes[i].name) { | |
435 | mtclass = &(mt_classes[i]); | |
436 | break; | |
437 | } | |
438 | } | |
5519cab4 BT |
439 | |
440 | /* This allows the driver to correctly support devices | |
441 | * that emit events over several HID messages. | |
442 | */ | |
443 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; | |
444 | ||
445 | td = kzalloc(sizeof(struct mt_device) + | |
446 | mtclass->maxcontacts * sizeof(struct mt_slot), | |
447 | GFP_KERNEL); | |
448 | if (!td) { | |
449 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); | |
450 | return -ENOMEM; | |
451 | } | |
452 | td->mtclass = mtclass; | |
453 | td->inputmode = -1; | |
454 | hid_set_drvdata(hdev, td); | |
455 | ||
456 | ret = hid_parse(hdev); | |
457 | if (ret != 0) | |
458 | goto fail; | |
459 | ||
460 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
2d93666e | 461 | if (ret) |
5519cab4 BT |
462 | goto fail; |
463 | ||
464 | mt_set_input_mode(hdev); | |
465 | ||
466 | return 0; | |
467 | ||
468 | fail: | |
469 | kfree(td); | |
470 | return ret; | |
471 | } | |
472 | ||
473 | #ifdef CONFIG_PM | |
474 | static int mt_reset_resume(struct hid_device *hdev) | |
475 | { | |
476 | mt_set_input_mode(hdev); | |
477 | return 0; | |
478 | } | |
479 | #endif | |
480 | ||
481 | static void mt_remove(struct hid_device *hdev) | |
482 | { | |
483 | struct mt_device *td = hid_get_drvdata(hdev); | |
484 | hid_hw_stop(hdev); | |
485 | kfree(td); | |
486 | hid_set_drvdata(hdev, NULL); | |
487 | } | |
488 | ||
489 | static const struct hid_device_id mt_devices[] = { | |
490 | ||
a3b5e577 BT |
491 | /* Cypress panel */ |
492 | { .driver_data = MT_CLS_CYPRESS, | |
493 | HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, | |
494 | USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, | |
495 | ||
5572da08 | 496 | /* GeneralTouch panel */ |
1e9cf35b | 497 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
5572da08 BT |
498 | HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
499 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, | |
500 | ||
4dfcced8 BT |
501 | /* IRTOUCH panels */ |
502 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, | |
503 | HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, | |
504 | USB_DEVICE_ID_IRTOUCH_INFRARED_USB) }, | |
505 | ||
5519cab4 | 506 | /* PixCir-based panels */ |
1e9cf35b | 507 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
5519cab4 BT |
508 | HID_USB_DEVICE(USB_VENDOR_ID_HANVON, |
509 | USB_DEVICE_ID_HANVON_MULTITOUCH) }, | |
1e9cf35b | 510 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
5519cab4 BT |
511 | HID_USB_DEVICE(USB_VENDOR_ID_CANDO, |
512 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, | |
513 | ||
4875ac11 RN |
514 | /* Resistive eGalax devices */ |
515 | { .driver_data = MT_CLS_EGALAX, | |
516 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
517 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) }, | |
518 | { .driver_data = MT_CLS_EGALAX, | |
519 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
520 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3) }, | |
521 | ||
522 | /* Capacitive eGalax devices */ | |
523 | { .driver_data = MT_CLS_EGALAX, | |
524 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
525 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) }, | |
526 | { .driver_data = MT_CLS_EGALAX, | |
527 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
528 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2) }, | |
529 | { .driver_data = MT_CLS_EGALAX, | |
530 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, | |
531 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) }, | |
532 | ||
5519cab4 BT |
533 | { } |
534 | }; | |
535 | MODULE_DEVICE_TABLE(hid, mt_devices); | |
536 | ||
537 | static const struct hid_usage_id mt_grabbed_usages[] = { | |
538 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, | |
539 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} | |
540 | }; | |
541 | ||
542 | static struct hid_driver mt_driver = { | |
543 | .name = "hid-multitouch", | |
544 | .id_table = mt_devices, | |
545 | .probe = mt_probe, | |
546 | .remove = mt_remove, | |
547 | .input_mapping = mt_input_mapping, | |
548 | .input_mapped = mt_input_mapped, | |
549 | .feature_mapping = mt_feature_mapping, | |
550 | .usage_table = mt_grabbed_usages, | |
551 | .event = mt_event, | |
552 | #ifdef CONFIG_PM | |
553 | .reset_resume = mt_reset_resume, | |
554 | #endif | |
555 | }; | |
556 | ||
557 | static int __init mt_init(void) | |
558 | { | |
559 | return hid_register_driver(&mt_driver); | |
560 | } | |
561 | ||
562 | static void __exit mt_exit(void) | |
563 | { | |
564 | hid_unregister_driver(&mt_driver); | |
565 | } | |
566 | ||
567 | module_init(mt_init); | |
568 | module_exit(mt_exit); |