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Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001/*
2 * HID driver for multitouch panels
3 *
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +01004 * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
Benjamin Tissoiresb0a78682013-02-25 11:31:49 +01005 * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com>
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +01006 * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
Benjamin Tissoiresb0a78682013-02-25 11:31:49 +01007 * Copyright (c) 2012-2013 Red Hat, Inc
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01008 *
Richard Nauber4875ac12011-03-09 06:20:57 +01009 * This code is partly based on hid-egalax.c:
10 *
11 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
12 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
13 * Copyright (c) 2010 Canonical, Ltd.
14 *
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +010015 * This code is partly based on hid-3m-pct.c:
16 *
17 * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
18 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
19 * Copyright (c) 2010 Canonical, Ltd.
20 *
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010021 */
22
23/*
24 * This program is free software; you can redistribute it and/or modify it
25 * under the terms of the GNU General Public License as published by the Free
26 * Software Foundation; either version 2 of the License, or (at your option)
27 * any later version.
28 */
29
Benjamin Tissoiresb0a78682013-02-25 11:31:49 +010030/*
31 * This driver is regularly tested thanks to the tool hid-test[1].
32 * This tool relies on hid-replay[2] and a database of hid devices[3].
33 * Please run these regression tests before patching this module so that
34 * your patch won't break existing known devices.
35 *
36 * [1] https://github.com/bentiss/hid-test
37 * [2] https://github.com/bentiss/hid-replay
38 * [3] https://github.com/bentiss/hid-devices
39 */
40
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010041#include <linux/device.h>
42#include <linux/hid.h>
43#include <linux/module.h>
44#include <linux/slab.h>
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010045#include <linux/input/mt.h>
Benjamin Tissoires49a5a822013-03-22 18:38:33 +010046#include <linux/string.h>
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010047
48
49MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
Benjamin Tissoiresef2fafb2011-01-31 11:28:21 +010050MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010051MODULE_DESCRIPTION("HID multitouch panels");
52MODULE_LICENSE("GPL");
53
54#include "hid-ids.h"
55
56/* quirks to control the device */
57#define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
58#define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
Benjamin Tissoires2d936662011-01-11 16:45:54 +010059#define MT_QUIRK_CYPRESS (1 << 2)
Benjamin Tissoires5572da02011-01-07 23:47:27 +010060#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
Stephane Chattya062cc52011-09-17 22:27:30 +020061#define MT_QUIRK_ALWAYS_VALID (1 << 4)
62#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
63#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
Stephane Chattya062cc52011-09-17 22:27:30 +020064#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
Henrik Rydberg77723e32012-09-07 19:37:40 +020065#define MT_QUIRK_NO_AREA (1 << 9)
Benjamin Tissoires28728392012-11-14 16:59:23 +010066#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +010067#define MT_QUIRK_HOVERING (1 << 11)
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +010068#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +010069#define MT_QUIRK_FORCE_GET_FEATURE (1 << 13)
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010070
Andrew Duggan9abebed2014-03-19 13:39:03 -070071#define MT_INPUTMODE_TOUCHSCREEN 0x02
72#define MT_INPUTMODE_TOUCHPAD 0x03
73
Seth Forshee2c6e0272015-03-11 17:26:41 -050074#define MT_BUTTONTYPE_CLICKPAD 0
75
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010076struct mt_slot {
Benjamin Tissoires349fd6702012-11-14 16:59:19 +010077 __s32 x, y, cx, cy, p, w, h;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010078 __s32 contactid; /* the device ContactID assigned to this slot */
79 bool touch_state; /* is the touch valid? */
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +010080 bool inrange_state; /* is the finger in proximity of the sensor? */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010081};
82
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010083struct mt_class {
Benjamin Tissoires2d936662011-01-11 16:45:54 +010084 __s32 name; /* MT_CLS */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010085 __s32 quirks;
86 __s32 sn_move; /* Signal/noise ratio for move events */
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +010087 __s32 sn_width; /* Signal/noise ratio for width events */
88 __s32 sn_height; /* Signal/noise ratio for height events */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010089 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
90 __u8 maxcontacts;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +010091 bool is_indirect; /* true for touchpads */
Benjamin Tissoires6aef7042014-02-28 11:41:25 -050092 bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010093};
94
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +020095struct mt_fields {
96 unsigned usages[HID_MAX_FIELDS];
97 unsigned int length;
98};
99
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100100struct mt_device {
101 struct mt_slot curdata; /* placeholder of incoming data */
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100102 struct mt_class mtclass; /* our mt device class */
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200103 struct mt_fields *fields; /* temporary placeholder for storing the
104 multitouch fields */
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100105 int cc_index; /* contact count field index in the report */
106 int cc_value_index; /* contact count value index in the field */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100107 unsigned last_slot_field; /* the last field of a slot */
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100108 unsigned mt_report_id; /* the report ID of the multitouch device */
Benjamin Tissoires8821f5d2013-09-11 21:56:58 +0200109 __s16 inputmode; /* InputMode HID feature, -1 if non-existent */
110 __s16 inputmode_index; /* InputMode HID feature index in the report */
111 __s16 maxcontact_report_id; /* Maximum Contact Number HID feature,
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +0100112 -1 if non-existent */
Andrew Duggan9abebed2014-03-19 13:39:03 -0700113 __u8 inputmode_value; /* InputMode HID feature value */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100114 __u8 num_received; /* how many contacts we received */
115 __u8 num_expected; /* expected last contact index */
116 __u8 maxcontacts;
Benjamin Tissoires9e87f222012-03-06 17:57:06 +0100117 __u8 touches_by_report; /* how many touches are present in one report:
118 * 1 means we should use a serial protocol
119 * > 1 means hybrid (multitouch) protocol */
Benjamin Tissoires015fdaa2015-03-06 11:14:42 -0500120 __u8 buttons_count; /* number of physical buttons per touchpad */
Seth Forshee2c6e0272015-03-11 17:26:41 -0500121 bool is_buttonpad; /* is this device a button pad? */
Henrik Rydberg76f59022012-09-01 20:11:34 +0200122 bool serial_maybe; /* need to check for serial protocol */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100123 bool curvalid; /* is the current contact valid? */
Henrik Rydberg76f59022012-09-01 20:11:34 +0200124 unsigned mt_flags; /* flags to pass to input-mt */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100125};
126
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100127static void mt_post_parse_default_settings(struct mt_device *td);
128static void mt_post_parse(struct mt_device *td);
129
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100130/* classes of device behavior */
Benjamin Tissoires22408282011-05-20 15:59:34 +0200131#define MT_CLS_DEFAULT 0x0001
132
Stephane Chattya062cc52011-09-17 22:27:30 +0200133#define MT_CLS_SERIAL 0x0002
134#define MT_CLS_CONFIDENCE 0x0003
Benjamin Tissoires5e7ea112011-11-29 13:13:10 +0100135#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
136#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
137#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
138#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -0500139/* reserved 0x0008 */
Aaron Tianb7ea95f2011-12-15 11:09:06 +0800140#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +0100141#define MT_CLS_NSMU 0x000a
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -0500142/* reserved 0x0010 */
143/* reserved 0x0011 */
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200144#define MT_CLS_WIN_8 0x0012
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500145#define MT_CLS_EXPORT_ALL_INPUTS 0x0013
Benjamin Tissoires22408282011-05-20 15:59:34 +0200146
147/* vendor specific classes */
148#define MT_CLS_3M 0x0101
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -0500149/* reserved 0x0102 */
Benjamin Tissoires22408282011-05-20 15:59:34 +0200150#define MT_CLS_EGALAX 0x0103
Benjamin Tissoires1b723e82011-11-23 10:54:34 +0100151#define MT_CLS_EGALAX_SERIAL 0x0104
Benjamin Tissoires847672c2012-02-04 17:08:50 +0100152#define MT_CLS_TOPSEED 0x0105
Denis Kovalev2258e862012-02-14 00:50:33 -0800153#define MT_CLS_PANASONIC 0x0106
Henrik Rydberg77723e32012-09-07 19:37:40 +0200154#define MT_CLS_FLATFROG 0x0107
Jiri Kosinacdcd3ac2012-10-01 14:38:54 +0200155#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
156#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100157#define MT_CLS_VTL 0x0110
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100158
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100159#define MT_DEFAULT_MAXCONTACT 10
Benjamin Tissoiresafbcb042012-11-14 16:59:18 +0100160#define MT_MAX_MAXCONTACT 250
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100161
Henrik Rydberg2c2110e2012-05-04 15:32:04 +0200162#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
163#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
164
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100165/*
166 * these device-dependent functions determine what slot corresponds
167 * to a valid contact that was just read.
168 */
169
Benjamin Tissoiresa3b5e572011-01-07 23:46:30 +0100170static int cypress_compute_slot(struct mt_device *td)
171{
172 if (td->curdata.contactid != 0 || td->num_received == 0)
173 return td->curdata.contactid;
174 else
175 return -1;
176}
177
Jiri Kosinab3c21d22011-11-22 23:23:37 +0100178static struct mt_class mt_classes[] = {
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100179 { .name = MT_CLS_DEFAULT,
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +0100180 .quirks = MT_QUIRK_ALWAYS_VALID |
181 MT_QUIRK_CONTACT_CNT_ACCURATE },
182 { .name = MT_CLS_NSMU,
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100183 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
Stephane Chattya062cc52011-09-17 22:27:30 +0200184 { .name = MT_CLS_SERIAL,
185 .quirks = MT_QUIRK_ALWAYS_VALID},
Benjamin Tissoires22408282011-05-20 15:59:34 +0200186 { .name = MT_CLS_CONFIDENCE,
187 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
Benjamin Tissoires5e7ea112011-11-29 13:13:10 +0100188 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
189 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
190 MT_QUIRK_SLOT_IS_CONTACTID },
Benjamin Tissoires22408282011-05-20 15:59:34 +0200191 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
192 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
193 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
Benjamin Tissoires1e9cf352011-01-31 11:28:20 +0100194 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100195 .quirks = MT_QUIRK_VALID_IS_INRANGE |
196 MT_QUIRK_SLOT_IS_CONTACTID,
197 .maxcontacts = 2 },
Benjamin Tissoires1e9cf352011-01-31 11:28:20 +0100198 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100199 .quirks = MT_QUIRK_VALID_IS_INRANGE |
200 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
201 .maxcontacts = 2 },
Aaron Tianb7ea95f2011-12-15 11:09:06 +0800202 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
203 .quirks = MT_QUIRK_VALID_IS_INRANGE |
204 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200205 { .name = MT_CLS_WIN_8,
206 .quirks = MT_QUIRK_ALWAYS_VALID |
207 MT_QUIRK_IGNORE_DUPLICATES |
208 MT_QUIRK_HOVERING |
209 MT_QUIRK_CONTACT_CNT_ACCURATE },
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500210 { .name = MT_CLS_EXPORT_ALL_INPUTS,
211 .quirks = MT_QUIRK_ALWAYS_VALID |
212 MT_QUIRK_CONTACT_CNT_ACCURATE,
213 .export_all_inputs = true },
Benjamin Tissoires22408282011-05-20 15:59:34 +0200214
215 /*
216 * vendor specific classes
217 */
218 { .name = MT_CLS_3M,
219 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
220 MT_QUIRK_SLOT_IS_CONTACTID,
221 .sn_move = 2048,
222 .sn_width = 128,
Henrik Rydbergc5d40be2012-09-05 16:58:12 +0200223 .sn_height = 128,
224 .maxcontacts = 60,
225 },
Richard Nauber4875ac12011-03-09 06:20:57 +0100226 { .name = MT_CLS_EGALAX,
227 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
Benjamin Tissoires2261bb92011-11-23 10:54:29 +0100228 MT_QUIRK_VALID_IS_INRANGE,
Richard Nauber4875ac12011-03-09 06:20:57 +0100229 .sn_move = 4096,
230 .sn_pressure = 32,
231 },
Benjamin Tissoires1b723e82011-11-23 10:54:34 +0100232 { .name = MT_CLS_EGALAX_SERIAL,
233 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
234 MT_QUIRK_ALWAYS_VALID,
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100235 .sn_move = 4096,
236 .sn_pressure = 32,
237 },
Benjamin Tissoires847672c2012-02-04 17:08:50 +0100238 { .name = MT_CLS_TOPSEED,
239 .quirks = MT_QUIRK_ALWAYS_VALID,
240 .is_indirect = true,
241 .maxcontacts = 2,
242 },
Denis Kovalev2258e862012-02-14 00:50:33 -0800243 { .name = MT_CLS_PANASONIC,
244 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
245 .maxcontacts = 4 },
Xianhan Yuf5ff4e12012-09-28 10:18:59 +0800246 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
247 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
248 MT_QUIRK_VALID_IS_INRANGE |
Luosong7b226292013-10-02 11:20:00 +0200249 MT_QUIRK_SLOT_IS_CONTACTID,
Xianhan Yuf5ff4e12012-09-28 10:18:59 +0800250 .maxcontacts = 2
251 },
252 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
253 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
Luosong7b226292013-10-02 11:20:00 +0200254 MT_QUIRK_SLOT_IS_CONTACTID
Xianhan Yuf5ff4e12012-09-28 10:18:59 +0800255 },
Benjamin Tissoires043b4032011-03-18 14:27:53 +0100256
Henrik Rydberg77723e32012-09-07 19:37:40 +0200257 { .name = MT_CLS_FLATFROG,
258 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
259 MT_QUIRK_NO_AREA,
260 .sn_move = 2048,
261 .maxcontacts = 40,
262 },
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100263 { .name = MT_CLS_VTL,
264 .quirks = MT_QUIRK_ALWAYS_VALID |
265 MT_QUIRK_CONTACT_CNT_ACCURATE |
266 MT_QUIRK_FORCE_GET_FEATURE,
267 },
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100268 { }
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100269};
270
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100271static ssize_t mt_show_quirks(struct device *dev,
272 struct device_attribute *attr,
273 char *buf)
274{
Geliang Tangee79a8f2015-12-27 17:25:21 +0800275 struct hid_device *hdev = to_hid_device(dev);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100276 struct mt_device *td = hid_get_drvdata(hdev);
277
278 return sprintf(buf, "%u\n", td->mtclass.quirks);
279}
280
281static ssize_t mt_set_quirks(struct device *dev,
282 struct device_attribute *attr,
283 const char *buf, size_t count)
284{
Geliang Tangee79a8f2015-12-27 17:25:21 +0800285 struct hid_device *hdev = to_hid_device(dev);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100286 struct mt_device *td = hid_get_drvdata(hdev);
287
288 unsigned long val;
289
290 if (kstrtoul(buf, 0, &val))
291 return -EINVAL;
292
293 td->mtclass.quirks = val;
294
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100295 if (td->cc_index < 0)
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100296 td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
297
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100298 return count;
299}
300
301static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
302
303static struct attribute *sysfs_attrs[] = {
304 &dev_attr_quirks.attr,
305 NULL
306};
307
308static struct attribute_group mt_attribute_group = {
309 .attrs = sysfs_attrs
310};
311
Mika Westerberg6d4f5442015-10-07 15:33:43 +0300312static void mt_get_feature(struct hid_device *hdev, struct hid_report *report)
313{
314 struct mt_device *td = hid_get_drvdata(hdev);
315 int ret, size = hid_report_len(report);
316 u8 *buf;
317
318 /*
319 * Only fetch the feature report if initial reports are not already
320 * been retrieved. Currently this is only done for Windows 8 touch
321 * devices.
322 */
323 if (!(hdev->quirks & HID_QUIRK_NO_INIT_REPORTS))
324 return;
325 if (td->mtclass.name != MT_CLS_WIN_8)
326 return;
327
328 buf = hid_alloc_report_buf(report, GFP_KERNEL);
329 if (!buf)
330 return;
331
332 ret = hid_hw_raw_request(hdev, report->id, buf, size,
333 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
334 if (ret < 0) {
335 dev_warn(&hdev->dev, "failed to fetch feature %d\n",
336 report->id);
337 } else {
338 ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf,
339 size, 0);
340 if (ret)
341 dev_warn(&hdev->dev, "failed to report feature\n");
342 }
343
344 kfree(buf);
345}
346
Henrik Rydbergf635bd12011-02-24 19:30:59 +0100347static void mt_feature_mapping(struct hid_device *hdev,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100348 struct hid_field *field, struct hid_usage *usage)
349{
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100350 struct mt_device *td = hid_get_drvdata(hdev);
351
352 switch (usage->hid) {
353 case HID_DG_INPUTMODE:
Benjamin Tissoires8821f5d2013-09-11 21:56:58 +0200354 /* Ignore if value index is out of bounds. */
355 if (usage->usage_index >= field->report_count) {
356 dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n");
357 break;
Benjamin Tissoires4aceed32012-06-19 14:39:52 +0200358 }
359
Benjamin Tissoires73e7d632015-12-01 12:41:38 +0100360 if (td->inputmode < 0) {
361 td->inputmode = field->report->id;
362 td->inputmode_index = usage->usage_index;
363 } else {
364 /*
365 * Some elan panels wrongly declare 2 input mode
366 * features, and silently ignore when we set the
367 * value in the second field. Skip the second feature
368 * and hope for the best.
369 */
370 dev_info(&hdev->dev,
371 "Ignoring the extra HID_DG_INPUTMODE\n");
372 }
Benjamin Tissoires8821f5d2013-09-11 21:56:58 +0200373
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100374 break;
375 case HID_DG_CONTACTMAX:
Mika Westerberg6d4f5442015-10-07 15:33:43 +0300376 mt_get_feature(hdev, field->report);
377
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +0100378 td->maxcontact_report_id = field->report->id;
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100379 td->maxcontacts = field->value[0];
Benjamin Tissoiresafbcb042012-11-14 16:59:18 +0100380 if (!td->maxcontacts &&
381 field->logical_maximum <= MT_MAX_MAXCONTACT)
382 td->maxcontacts = field->logical_maximum;
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100383 if (td->mtclass.maxcontacts)
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100384 /* check if the maxcontacts is given by the class */
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100385 td->maxcontacts = td->mtclass.maxcontacts;
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100386
387 break;
Seth Forshee2c6e0272015-03-11 17:26:41 -0500388 case HID_DG_BUTTONTYPE:
389 if (usage->usage_index >= field->report_count) {
390 dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n");
391 break;
392 }
393
Mika Westerberg6d4f5442015-10-07 15:33:43 +0300394 mt_get_feature(hdev, field->report);
Seth Forshee2c6e0272015-03-11 17:26:41 -0500395 if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD)
396 td->is_buttonpad = true;
397
398 break;
Benjamin Tissoires45c5c682016-03-07 11:02:38 +0100399 case 0xff0000c5:
400 /* Retrieve the Win8 blob once to enable some devices */
401 if (usage->usage_index == 0)
402 mt_get_feature(hdev, field->report);
403 break;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100404 }
405}
406
407static void set_abs(struct input_dev *input, unsigned int code,
408 struct hid_field *field, int snratio)
409{
410 int fmin = field->logical_minimum;
411 int fmax = field->logical_maximum;
412 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
413 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
Benjamin Tissoires37cf6e62012-11-14 16:59:13 +0100414 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100415}
416
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200417static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
Benjamin Tissoiresed9d5c92012-03-06 17:57:03 +0100418 struct hid_input *hi)
419{
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200420 struct mt_fields *f = td->fields;
421
422 if (f->length >= HID_MAX_FIELDS)
423 return;
424
425 f->usages[f->length++] = usage->hid;
Benjamin Tissoiresed9d5c92012-03-06 17:57:03 +0100426}
427
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100428static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100429 struct hid_field *field, struct hid_usage *usage,
430 unsigned long **bit, int *max)
431{
432 struct mt_device *td = hid_get_drvdata(hdev);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100433 struct mt_class *cls = &td->mtclass;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100434 int code;
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100435 struct hid_usage *prev_usage = NULL;
Richard Nauber4875ac12011-03-09 06:20:57 +0100436
Jeff Brown658d4aed592011-08-15 16:44:28 -0700437 if (field->application == HID_DG_TOUCHSCREEN)
Henrik Rydberg76f59022012-09-01 20:11:34 +0200438 td->mt_flags |= INPUT_MT_DIRECT;
Jeff Brown658d4aed592011-08-15 16:44:28 -0700439
Henrik Rydberg76f59022012-09-01 20:11:34 +0200440 /*
441 * Model touchscreens providing buttons as touchpads.
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100442 */
443 if (field->application == HID_DG_TOUCHPAD ||
Andrew Duggan9abebed2014-03-19 13:39:03 -0700444 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
Henrik Rydberg76f59022012-09-01 20:11:34 +0200445 td->mt_flags |= INPUT_MT_POINTER;
Andrew Duggan9abebed2014-03-19 13:39:03 -0700446 td->inputmode_value = MT_INPUTMODE_TOUCHPAD;
447 }
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100448
Benjamin Tissoires015fdaa2015-03-06 11:14:42 -0500449 /* count the buttons on touchpads */
450 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
451 td->buttons_count++;
452
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100453 if (usage->usage_index)
454 prev_usage = &field->usage[usage->usage_index - 1];
455
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100456 switch (usage->hid & HID_USAGE_PAGE) {
457
458 case HID_UP_GENDESK:
459 switch (usage->hid) {
460 case HID_GD_X:
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100461 if (prev_usage && (prev_usage->hid == usage->hid)) {
462 hid_map_usage(hi, usage, bit, max,
463 EV_ABS, ABS_MT_TOOL_X);
464 set_abs(hi->input, ABS_MT_TOOL_X, field,
465 cls->sn_move);
466 } else {
467 hid_map_usage(hi, usage, bit, max,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100468 EV_ABS, ABS_MT_POSITION_X);
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100469 set_abs(hi->input, ABS_MT_POSITION_X, field,
470 cls->sn_move);
471 }
472
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200473 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100474 return 1;
475 case HID_GD_Y:
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100476 if (prev_usage && (prev_usage->hid == usage->hid)) {
477 hid_map_usage(hi, usage, bit, max,
478 EV_ABS, ABS_MT_TOOL_Y);
479 set_abs(hi->input, ABS_MT_TOOL_Y, field,
480 cls->sn_move);
481 } else {
482 hid_map_usage(hi, usage, bit, max,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100483 EV_ABS, ABS_MT_POSITION_Y);
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100484 set_abs(hi->input, ABS_MT_POSITION_Y, field,
485 cls->sn_move);
486 }
487
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200488 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100489 return 1;
490 }
491 return 0;
492
493 case HID_UP_DIGITIZER:
494 switch (usage->hid) {
495 case HID_DG_INRANGE:
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +0100496 if (cls->quirks & MT_QUIRK_HOVERING) {
497 hid_map_usage(hi, usage, bit, max,
498 EV_ABS, ABS_MT_DISTANCE);
499 input_set_abs_params(hi->input,
500 ABS_MT_DISTANCE, 0, 1, 0, 0);
501 }
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200502 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100503 return 1;
504 case HID_DG_CONFIDENCE:
Allen Hung25a84db2015-11-20 18:21:06 +0800505 if (cls->name == MT_CLS_WIN_8 &&
506 field->application == HID_DG_TOUCHPAD) {
507 cls->quirks &= ~MT_QUIRK_ALWAYS_VALID;
508 cls->quirks |= MT_QUIRK_VALID_IS_CONFIDENCE;
509 }
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200510 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100511 return 1;
512 case HID_DG_TIPSWITCH:
513 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
514 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200515 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100516 return 1;
517 case HID_DG_CONTACTID:
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200518 mt_store_field(usage, td, hi);
Benjamin Tissoires9e87f222012-03-06 17:57:06 +0100519 td->touches_by_report++;
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100520 td->mt_report_id = field->report->id;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100521 return 1;
522 case HID_DG_WIDTH:
523 hid_map_usage(hi, usage, bit, max,
524 EV_ABS, ABS_MT_TOUCH_MAJOR);
Henrik Rydberg77723e32012-09-07 19:37:40 +0200525 if (!(cls->quirks & MT_QUIRK_NO_AREA))
526 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
527 cls->sn_width);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200528 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100529 return 1;
530 case HID_DG_HEIGHT:
531 hid_map_usage(hi, usage, bit, max,
532 EV_ABS, ABS_MT_TOUCH_MINOR);
Henrik Rydberg77723e32012-09-07 19:37:40 +0200533 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
534 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
535 cls->sn_height);
536 input_set_abs_params(hi->input,
Benjamin Tissoires1e648a12011-03-18 14:27:55 +0100537 ABS_MT_ORIENTATION, 0, 1, 0, 0);
Henrik Rydberg77723e32012-09-07 19:37:40 +0200538 }
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200539 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100540 return 1;
541 case HID_DG_TIPPRESSURE:
542 hid_map_usage(hi, usage, bit, max,
543 EV_ABS, ABS_MT_PRESSURE);
544 set_abs(hi->input, ABS_MT_PRESSURE, field,
545 cls->sn_pressure);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200546 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100547 return 1;
548 case HID_DG_CONTACTCOUNT:
Benjamin Tissoires8821f5d2013-09-11 21:56:58 +0200549 /* Ignore if indexes are out of bounds. */
550 if (field->index >= field->report->maxfield ||
551 usage->usage_index >= field->report_count)
552 return 1;
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100553 td->cc_index = field->index;
554 td->cc_value_index = usage->usage_index;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100555 return 1;
556 case HID_DG_CONTACTMAX:
557 /* we don't set td->last_slot_field as contactcount and
558 * contact max are global to the report */
559 return -1;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100560 case HID_DG_TOUCH:
561 /* Legacy devices use TIPSWITCH and not TOUCH.
562 * Let's just ignore this field. */
563 return -1;
Alan Cox65b258e2012-10-25 15:35:25 +0100564 }
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100565 /* let hid-input decide for the others */
566 return 0;
567
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100568 case HID_UP_BUTTON:
569 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
570 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
571 input_set_capability(hi->input, EV_KEY, code);
572 return 1;
573
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100574 case 0xff000000:
575 /* we do not want to map these: no input-oriented meaning */
576 return -1;
577 }
578
579 return 0;
580}
581
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100582static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100583 struct hid_field *field, struct hid_usage *usage,
584 unsigned long **bit, int *max)
585{
586 if (usage->type == EV_KEY || usage->type == EV_ABS)
587 set_bit(usage->type, hi->input->evbit);
588
589 return -1;
590}
591
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200592static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100593{
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100594 __s32 quirks = td->mtclass.quirks;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100595
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100596 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
597 return td->curdata.contactid;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100598
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100599 if (quirks & MT_QUIRK_CYPRESS)
Benjamin Tissoiresa3b5e572011-01-07 23:46:30 +0100600 return cypress_compute_slot(td);
601
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100602 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
603 return td->num_received;
Benjamin Tissoires5572da02011-01-07 23:47:27 +0100604
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +0200605 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
606 return td->curdata.contactid - 1;
607
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200608 return input_mt_get_slot_by_key(input, td->curdata.contactid);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100609}
610
611/*
612 * this function is called when a whole contact has been processed,
613 * so that it can assign it to a slot and store the data there
614 */
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200615static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100616{
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100617 if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
618 td->num_received >= td->num_expected)
619 return;
620
Benjamin Tissoires20b60e62012-11-14 16:59:20 +0100621 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200622 int slotnum = mt_compute_slot(td, input);
623 struct mt_slot *s = &td->curdata;
Benjamin Tissoires28728392012-11-14 16:59:23 +0100624 struct input_mt *mt = input->mt;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100625
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200626 if (slotnum < 0 || slotnum >= td->maxcontacts)
627 return;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100628
Benjamin Tissoires28728392012-11-14 16:59:23 +0100629 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
630 struct input_mt_slot *slot = &mt->slots[slotnum];
631 if (input_mt_is_active(slot) &&
632 input_mt_is_used(mt, slot))
633 return;
634 }
635
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200636 input_mt_slot(input, slotnum);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100637 input_mt_report_slot_state(input, MT_TOOL_FINGER,
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +0100638 s->touch_state || s->inrange_state);
639 if (s->touch_state || s->inrange_state) {
640 /* this finger is in proximity of the sensor */
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +0100641 int wide = (s->w > s->h);
642 /* divided by two to match visual scale of touch */
643 int major = max(s->w, s->h) >> 1;
644 int minor = min(s->w, s->h) >> 1;
645
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100646 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
647 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100648 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
649 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +0100650 input_event(input, EV_ABS, ABS_MT_DISTANCE,
651 !s->touch_state);
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +0100652 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100653 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +0100654 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
655 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100656 }
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100657 }
658
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200659 td->num_received++;
660}
661
662/*
663 * this function is called when a whole packet has been received and processed,
664 * so that it can decide what to send to the input layer.
665 */
666static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
667{
Henrik Rydberg76f59022012-09-01 20:11:34 +0200668 input_mt_sync_frame(input);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100669 input_sync(input);
670 td->num_received = 0;
671}
672
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100673static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100674 struct hid_usage *usage, __s32 value)
675{
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100676 /* we will handle the hidinput part later, now remains hiddev */
677 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
678 hid->hiddev_hid_event(hid, field, usage, value);
679
680 return 1;
681}
682
683static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
684 struct hid_usage *usage, __s32 value)
685{
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100686 struct mt_device *td = hid_get_drvdata(hid);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100687 __s32 quirks = td->mtclass.quirks;
Benjamin Tissoires4c437552013-03-22 18:53:57 +0100688 struct input_dev *input = field->hidinput->input;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100689
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200690 if (hid->claimed & HID_CLAIMED_INPUT) {
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100691 switch (usage->hid) {
692 case HID_DG_INRANGE:
Benjamin Tissoires20b60e62012-11-14 16:59:20 +0100693 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100694 td->curvalid = value;
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +0100695 if (quirks & MT_QUIRK_HOVERING)
696 td->curdata.inrange_state = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100697 break;
698 case HID_DG_TIPSWITCH:
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100699 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
700 td->curvalid = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100701 td->curdata.touch_state = value;
702 break;
703 case HID_DG_CONFIDENCE:
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100704 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
705 td->curvalid = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100706 break;
707 case HID_DG_CONTACTID:
708 td->curdata.contactid = value;
709 break;
710 case HID_DG_TIPPRESSURE:
711 td->curdata.p = value;
712 break;
713 case HID_GD_X:
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100714 if (usage->code == ABS_MT_TOOL_X)
715 td->curdata.cx = value;
716 else
717 td->curdata.x = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100718 break;
719 case HID_GD_Y:
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100720 if (usage->code == ABS_MT_TOOL_Y)
721 td->curdata.cy = value;
722 else
723 td->curdata.y = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100724 break;
725 case HID_DG_WIDTH:
726 td->curdata.w = value;
727 break;
728 case HID_DG_HEIGHT:
729 td->curdata.h = value;
730 break;
731 case HID_DG_CONTACTCOUNT:
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100732 break;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100733 case HID_DG_TOUCH:
734 /* do nothing */
735 break;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100736
737 default:
Benjamin Tissoires4c437552013-03-22 18:53:57 +0100738 if (usage->type)
739 input_event(input, usage->type, usage->code,
740 value);
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100741 return;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100742 }
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100743
Benjamin Tissoires54f4c0c2012-11-14 16:59:17 +0100744 if (usage->usage_index + 1 == field->report_count) {
745 /* we only take into account the last report. */
746 if (usage->hid == td->last_slot_field)
747 mt_complete_slot(td, field->hidinput->input);
Benjamin Tissoires54f4c0c2012-11-14 16:59:17 +0100748 }
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100749
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100750 }
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100751}
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100752
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100753static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100754{
755 struct mt_device *td = hid_get_drvdata(hid);
756 struct hid_field *field;
757 unsigned count;
758 int r, n;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100759
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100760 /*
761 * Includes multi-packet support where subsequent
762 * packets are sent with zero contactcount.
763 */
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100764 if (td->cc_index >= 0) {
765 struct hid_field *field = report->field[td->cc_index];
766 int value = field->value[td->cc_value_index];
767 if (value)
768 td->num_expected = value;
769 }
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100770
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100771 for (r = 0; r < report->maxfield; r++) {
772 field = report->field[r];
773 count = field->report_count;
774
775 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
776 continue;
777
778 for (n = 0; n < count; n++)
779 mt_process_mt_event(hid, field, &field->usage[n],
780 field->value[n]);
781 }
Benjamin Tissoires5b62efd2013-02-27 16:23:15 +0100782
783 if (td->num_received >= td->num_expected)
784 mt_sync_frame(td, report->field[0]->hidinput->input);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100785}
786
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700787static int mt_touch_input_configured(struct hid_device *hdev,
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100788 struct hid_input *hi)
789{
790 struct mt_device *td = hid_get_drvdata(hdev);
791 struct mt_class *cls = &td->mtclass;
792 struct input_dev *input = hi->input;
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700793 int ret;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100794
795 if (!td->maxcontacts)
796 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
797
798 mt_post_parse(td);
799 if (td->serial_maybe)
800 mt_post_parse_default_settings(td);
801
802 if (cls->is_indirect)
803 td->mt_flags |= INPUT_MT_POINTER;
804
805 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
806 td->mt_flags |= INPUT_MT_DROP_UNUSED;
807
Benjamin Tissoires015fdaa2015-03-06 11:14:42 -0500808 /* check for clickpads */
809 if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1))
Seth Forshee2c6e0272015-03-11 17:26:41 -0500810 td->is_buttonpad = true;
811
812 if (td->is_buttonpad)
Benjamin Tissoires015fdaa2015-03-06 11:14:42 -0500813 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
814
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700815 ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
816 if (ret)
817 return ret;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100818
819 td->mt_flags = 0;
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700820 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100821}
822
823static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
824 struct hid_field *field, struct hid_usage *usage,
825 unsigned long **bit, int *max)
826{
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500827 struct mt_device *td = hid_get_drvdata(hdev);
828
829 /*
830 * If mtclass.export_all_inputs is not set, only map fields from
831 * TouchScreen or TouchPad collections. We need to ignore fields
832 * that belong to other collections such as Mouse that might have
833 * the same GenericDesktop usages.
834 */
835 if (!td->mtclass.export_all_inputs &&
836 field->application != HID_DG_TOUCHSCREEN &&
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +0100837 field->application != HID_DG_PEN &&
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100838 field->application != HID_DG_TOUCHPAD)
Benjamin Tissoires6f492f22013-03-22 18:38:30 +0100839 return -1;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100840
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500841 /*
842 * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
843 * for the stylus.
Brent Adam1cc1cc92015-06-19 10:53:35 -0600844 * The check for mt_report_id ensures we don't process
845 * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical
846 * collection, but within the report ID.
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500847 */
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100848 if (field->physical == HID_DG_STYLUS)
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500849 return 0;
Brent Adam1cc1cc92015-06-19 10:53:35 -0600850 else if ((field->physical == 0) &&
851 (field->report->id != td->mt_report_id) &&
852 (td->mt_report_id != -1))
853 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100854
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500855 if (field->application == HID_DG_TOUCHSCREEN ||
856 field->application == HID_DG_TOUCHPAD)
857 return mt_touch_input_mapping(hdev, hi, field, usage, bit, max);
858
859 /* let hid-core decide for the others */
860 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100861}
862
863static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
864 struct hid_field *field, struct hid_usage *usage,
865 unsigned long **bit, int *max)
866{
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500867 /*
868 * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
869 * for the stylus.
870 */
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +0100871 if (field->physical == HID_DG_STYLUS)
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500872 return 0;
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +0100873
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500874 if (field->application == HID_DG_TOUCHSCREEN ||
875 field->application == HID_DG_TOUCHPAD)
876 return mt_touch_input_mapped(hdev, hi, field, usage, bit, max);
877
878 /* let hid-core decide for the others */
879 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100880}
881
882static int mt_event(struct hid_device *hid, struct hid_field *field,
883 struct hid_usage *usage, __s32 value)
884{
885 struct mt_device *td = hid_get_drvdata(hid);
886
887 if (field->report->id == td->mt_report_id)
888 return mt_touch_event(hid, field, usage, value);
889
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500890 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100891}
892
893static void mt_report(struct hid_device *hid, struct hid_report *report)
894{
895 struct mt_device *td = hid_get_drvdata(hid);
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500896 struct hid_field *field = report->field[0];
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100897
898 if (!(hid->claimed & HID_CLAIMED_INPUT))
899 return;
900
901 if (report->id == td->mt_report_id)
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500902 return mt_touch_report(hid, report);
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +0100903
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500904 if (field && field->hidinput && field->hidinput->input)
905 input_sync(field->hidinput->input);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100906}
907
908static void mt_set_input_mode(struct hid_device *hdev)
909{
910 struct mt_device *td = hid_get_drvdata(hdev);
911 struct hid_report *r;
912 struct hid_report_enum *re;
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100913 struct mt_class *cls = &td->mtclass;
914 char *buf;
915 int report_len;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100916
917 if (td->inputmode < 0)
918 return;
919
920 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
921 r = re->report_id_hash[td->inputmode];
922 if (r) {
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100923 if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) {
Mathieu Magnaudetdabb05c62014-11-27 16:02:36 +0100924 report_len = hid_report_len(r);
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100925 buf = hid_alloc_report_buf(r, GFP_KERNEL);
926 if (!buf) {
927 hid_err(hdev, "failed to allocate buffer for report\n");
928 return;
929 }
930 hid_hw_raw_request(hdev, r->id, buf, report_len,
931 HID_FEATURE_REPORT,
932 HID_REQ_GET_REPORT);
933 kfree(buf);
934 }
Andrew Duggan9abebed2014-03-19 13:39:03 -0700935 r->field[0]->value[td->inputmode_index] = td->inputmode_value;
Benjamin Tissoiresd88142722013-02-25 11:31:46 +0100936 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100937 }
938}
939
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +0100940static void mt_set_maxcontacts(struct hid_device *hdev)
941{
942 struct mt_device *td = hid_get_drvdata(hdev);
943 struct hid_report *r;
944 struct hid_report_enum *re;
945 int fieldmax, max;
946
947 if (td->maxcontact_report_id < 0)
948 return;
949
950 if (!td->mtclass.maxcontacts)
951 return;
952
953 re = &hdev->report_enum[HID_FEATURE_REPORT];
954 r = re->report_id_hash[td->maxcontact_report_id];
955 if (r) {
956 max = td->mtclass.maxcontacts;
957 fieldmax = r->field[0]->logical_maximum;
958 max = min(fieldmax, max);
959 if (r->field[0]->value[0] != max) {
960 r->field[0]->value[0] = max;
Benjamin Tissoiresd88142722013-02-25 11:31:46 +0100961 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +0100962 }
963 }
964}
965
Henrik Rydberg4fa3a582012-05-01 08:40:01 +0200966static void mt_post_parse_default_settings(struct mt_device *td)
967{
968 __s32 quirks = td->mtclass.quirks;
969
970 /* unknown serial device needs special quirks */
971 if (td->touches_by_report == 1) {
972 quirks |= MT_QUIRK_ALWAYS_VALID;
973 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
974 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
975 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
Benjamin Tissoirese0bb8f92013-01-31 17:22:27 +0100976 quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
Henrik Rydberg4fa3a582012-05-01 08:40:01 +0200977 }
978
979 td->mtclass.quirks = quirks;
980}
981
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200982static void mt_post_parse(struct mt_device *td)
983{
984 struct mt_fields *f = td->fields;
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100985 struct mt_class *cls = &td->mtclass;
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200986
987 if (td->touches_by_report > 0) {
988 int field_count_per_touch = f->length / td->touches_by_report;
989 td->last_slot_field = f->usages[field_count_per_touch - 1];
990 }
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100991
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100992 if (td->cc_index < 0)
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100993 cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200994}
995
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700996static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
Henrik Rydberg76f59022012-09-01 20:11:34 +0200997{
998 struct mt_device *td = hid_get_drvdata(hdev);
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +0200999 char *name;
1000 const char *suffix = NULL;
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001001 struct hid_field *field = hi->report->field[0];
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -07001002 int ret;
Henrik Rydberg76f59022012-09-01 20:11:34 +02001003
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -07001004 if (hi->report->id == td->mt_report_id) {
1005 ret = mt_touch_input_configured(hdev, hi);
1006 if (ret)
1007 return ret;
1008 }
Henrik Rydberg76f59022012-09-01 20:11:34 +02001009
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001010 /*
1011 * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
1012 * for the stylus. Check this first, and then rely on the application
1013 * field.
1014 */
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001015 if (hi->report->field[0]->physical == HID_DG_STYLUS) {
1016 suffix = "Pen";
Benjamin Tissoirese55f6202014-02-28 11:41:24 -05001017 /* force BTN_STYLUS to allow tablet matching in udev */
1018 __set_bit(BTN_STYLUS, hi->input->keybit);
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001019 } else {
1020 switch (field->application) {
1021 case HID_GD_KEYBOARD:
1022 suffix = "Keyboard";
1023 break;
1024 case HID_GD_KEYPAD:
1025 suffix = "Keypad";
1026 break;
1027 case HID_GD_MOUSE:
1028 suffix = "Mouse";
1029 break;
1030 case HID_DG_STYLUS:
1031 suffix = "Pen";
1032 /* force BTN_STYLUS to allow tablet matching in udev */
1033 __set_bit(BTN_STYLUS, hi->input->keybit);
1034 break;
1035 case HID_DG_TOUCHSCREEN:
1036 /* we do not set suffix = "Touchscreen" */
1037 break;
Mika Westerbergdc425a12015-09-28 17:22:17 +03001038 case HID_DG_TOUCHPAD:
1039 suffix = "Touchpad";
1040 break;
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001041 case HID_GD_SYSTEM_CONTROL:
1042 suffix = "System Control";
1043 break;
1044 case HID_CP_CONSUMER_CONTROL:
1045 suffix = "Consumer Control";
1046 break;
1047 default:
1048 suffix = "UNKNOWN";
1049 break;
1050 }
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001051 }
1052
1053 if (suffix) {
1054 name = devm_kzalloc(&hi->input->dev,
1055 strlen(hdev->name) + strlen(suffix) + 2,
1056 GFP_KERNEL);
1057 if (name) {
1058 sprintf(name, "%s %s", hdev->name, suffix);
1059 hi->input->name = name;
1060 }
1061 }
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -07001062
1063 return 0;
Henrik Rydberg76f59022012-09-01 20:11:34 +02001064}
1065
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001066static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
1067{
Benjamin Tissoires2d936662011-01-11 16:45:54 +01001068 int ret, i;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001069 struct mt_device *td;
Benjamin Tissoires2d936662011-01-11 16:45:54 +01001070 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
1071
Henrik Rydberg94b5485c2012-08-08 21:45:50 +02001072 for (i = 0; mt_classes[i].name ; i++) {
1073 if (id->driver_data == mt_classes[i].name) {
1074 mtclass = &(mt_classes[i]);
1075 break;
Benjamin Tissoires2d936662011-01-11 16:45:54 +01001076 }
1077 }
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001078
Henrik Rydbergd682bd72011-11-01 15:26:31 +01001079 /* This allows the driver to correctly support devices
1080 * that emit events over several HID messages.
1081 */
1082 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001083
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +01001084 /*
1085 * This allows the driver to handle different input sensors
1086 * that emits events through different reports on the same HID
1087 * device.
1088 */
1089 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1090 hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT;
1091
Benjamin Tissoires595e9272013-08-22 14:51:09 +02001092 /*
1093 * Handle special quirks for Windows 8 certified devices.
1094 */
1095 if (id->group == HID_GROUP_MULTITOUCH_WIN_8)
1096 /*
1097 * Some multitouch screens do not like to be polled for input
1098 * reports. Fortunately, the Win8 spec says that all touches
1099 * should be sent during each report, making the initialization
1100 * of input reports unnecessary.
Mika Westerberg6d4f5442015-10-07 15:33:43 +03001101 *
1102 * In addition some touchpads do not behave well if we read
1103 * all feature reports from them. Instead we prevent
1104 * initial report fetching and then selectively fetch each
1105 * report we are interested in.
Benjamin Tissoires595e9272013-08-22 14:51:09 +02001106 */
Mika Westerberg6d4f5442015-10-07 15:33:43 +03001107 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
Benjamin Tissoires595e9272013-08-22 14:51:09 +02001108
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001109 td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001110 if (!td) {
1111 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
1112 return -ENOMEM;
1113 }
Benjamin Tissoireseec29e32011-11-23 10:54:28 +01001114 td->mtclass = *mtclass;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001115 td->inputmode = -1;
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +01001116 td->maxcontact_report_id = -1;
Andrew Duggan9abebed2014-03-19 13:39:03 -07001117 td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN;
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +01001118 td->cc_index = -1;
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +01001119 td->mt_report_id = -1;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001120 hid_set_drvdata(hdev, td);
1121
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001122 td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields),
1123 GFP_KERNEL);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001124 if (!td->fields) {
1125 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001126 return -ENOMEM;
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001127 }
1128
Henrik Rydberg76f59022012-09-01 20:11:34 +02001129 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
1130 td->serial_maybe = true;
1131
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001132 ret = hid_parse(hdev);
1133 if (ret != 0)
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001134 return ret;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001135
1136 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
Benjamin Tissoires2d936662011-01-11 16:45:54 +01001137 if (ret)
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001138 return ret;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001139
Benjamin Tissoireseec29e32011-11-23 10:54:28 +01001140 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
Nicholas Krause0c4b3c62016-02-04 10:52:40 -05001141 if (ret)
1142 dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n",
1143 hdev->name);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +01001144
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +01001145 mt_set_maxcontacts(hdev);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001146 mt_set_input_mode(hdev);
1147
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001148 /* release .fields memory as it is not used anymore */
1149 devm_kfree(&hdev->dev, td->fields);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001150 td->fields = NULL;
1151
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001152 return 0;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001153}
1154
1155#ifdef CONFIG_PM
Benson Leungd3e69b92016-03-11 14:19:49 -08001156static void mt_release_contacts(struct hid_device *hid)
1157{
1158 struct hid_input *hidinput;
1159
1160 list_for_each_entry(hidinput, &hid->inputs, list) {
1161 struct input_dev *input_dev = hidinput->input;
1162 struct input_mt *mt = input_dev->mt;
1163 int i;
1164
1165 if (mt) {
1166 for (i = 0; i < mt->num_slots; i++) {
1167 input_mt_slot(input_dev, i);
1168 input_mt_report_slot_state(input_dev,
1169 MT_TOOL_FINGER,
1170 false);
1171 }
Gabriele Mazzotta0a0f5b72016-03-29 22:10:41 +02001172 input_mt_sync_frame(input_dev);
Benson Leungd3e69b92016-03-11 14:19:49 -08001173 input_sync(input_dev);
1174 }
1175 }
1176}
1177
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001178static int mt_reset_resume(struct hid_device *hdev)
1179{
Benson Leungd3e69b92016-03-11 14:19:49 -08001180 mt_release_contacts(hdev);
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +01001181 mt_set_maxcontacts(hdev);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001182 mt_set_input_mode(hdev);
1183 return 0;
1184}
Scott Liudfeefd12012-08-15 17:21:55 +08001185
1186static int mt_resume(struct hid_device *hdev)
1187{
Scott Liudfeefd12012-08-15 17:21:55 +08001188 /* Some Elan legacy devices require SET_IDLE to be set on resume.
1189 * It should be safe to send it to other devices too.
1190 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
1191
Benjamin Tissoires4ba25d32013-02-27 16:38:18 +01001192 hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
Scott Liudfeefd12012-08-15 17:21:55 +08001193
1194 return 0;
1195}
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001196#endif
1197
1198static void mt_remove(struct hid_device *hdev)
1199{
Benjamin Tissoireseec29e32011-11-23 10:54:28 +01001200 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
Benjamin Tissoires59392122013-05-29 10:45:09 +02001201 hid_hw_stop(hdev);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001202}
1203
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -05001204/*
1205 * This list contains only:
1206 * - VID/PID of products not working with the default multitouch handling
1207 * - 2 generic rules.
1208 * So there is no point in adding here any device with MT_CLS_DEFAULT.
1209 */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001210static const struct hid_device_id mt_devices[] = {
1211
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +01001212 /* 3M panels */
1213 { .driver_data = MT_CLS_3M,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001214 MT_USB_DEVICE(USB_VENDOR_ID_3M,
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +01001215 USB_DEVICE_ID_3M1968) },
1216 { .driver_data = MT_CLS_3M,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001217 MT_USB_DEVICE(USB_VENDOR_ID_3M,
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +01001218 USB_DEVICE_ID_3M2256) },
Benjamin Tissoiresc4fad872011-12-23 15:41:00 +01001219 { .driver_data = MT_CLS_3M,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001220 MT_USB_DEVICE(USB_VENDOR_ID_3M,
Benjamin Tissoiresc4fad872011-12-23 15:41:00 +01001221 USB_DEVICE_ID_3M3266) },
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +01001222
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001223 /* Anton devices */
1224 { .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
1225 MT_USB_DEVICE(USB_VENDOR_ID_ANTON,
1226 USB_DEVICE_ID_ANTON_TOUCH_PAD) },
Benjamin Tissoirese6aac342011-05-19 14:18:13 +02001227
Benjamin Tissoiresb1057122011-12-23 15:40:59 +01001228 /* Atmel panels */
1229 { .driver_data = MT_CLS_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001230 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
Benjamin Tissoires841cb152012-03-06 10:53:45 +01001231 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
Benjamin Tissoiresb1057122011-12-23 15:40:59 +01001232
Jiri Kosina9ed32692012-04-20 12:15:44 +02001233 /* Baanto multitouch devices */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001234 { .driver_data = MT_CLS_NSMU,
Jiri Kosina16b79bb2012-05-05 23:32:54 +02001235 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
Jiri Kosina9ed32692012-04-20 12:15:44 +02001236 USB_DEVICE_ID_BAANTO_MT_190W2) },
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -05001237
Benjamin Tissoiresa841b622011-03-18 14:27:54 +01001238 /* Cando panels */
1239 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001240 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
Benjamin Tissoiresa841b622011-03-18 14:27:54 +01001241 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
Benjamin Tissoiresa841b622011-03-18 14:27:54 +01001242 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001243 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
Benjamin Tissoiresa841b622011-03-18 14:27:54 +01001244 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1245
Austin Zhang942fd422011-05-28 02:03:47 +08001246 /* Chunghwa Telecom touch panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001247 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001248 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
Austin Zhang942fd422011-05-28 02:03:47 +08001249 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1250
Yang Bo070f63b2015-07-20 09:40:28 -07001251 /* CJTouch panels */
1252 { .driver_data = MT_CLS_NSMU,
1253 MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
1254 USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) },
1255 { .driver_data = MT_CLS_NSMU,
1256 MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
1257 USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) },
1258
Benjamin Tissoires79603dc2011-05-19 14:18:14 +02001259 /* CVTouch panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001260 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001261 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
Benjamin Tissoires79603dc2011-05-19 14:18:14 +02001262 USB_DEVICE_ID_CVTOUCH_SCREEN) },
1263
Benjamin Tissoires22408282011-05-20 15:59:34 +02001264 /* eGalax devices (resistive) */
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001265 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001266 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001267 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1268 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001269 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001270 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
Benjamin Tissoires22408282011-05-20 15:59:34 +02001271
1272 /* eGalax devices (capacitive) */
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001273 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001274 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001275 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001276 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001277 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001278 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001279 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001280 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001281 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
Benjamin Tissoires2ce09df2012-03-06 17:57:02 +01001282 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001283 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoires2ce09df2012-03-06 17:57:02 +01001284 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
Benjamin Tissoires22408282011-05-20 15:59:34 +02001285 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001286 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoires22408282011-05-20 15:59:34 +02001287 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001288 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001289 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001290 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001291 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001292 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoires22408282011-05-20 15:59:34 +02001293 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
Benjamin Tissoires22408282011-05-20 15:59:34 +02001294 { .driver_data = MT_CLS_EGALAX,
1295 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001296 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001297 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001298 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001299 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001300 { .driver_data = MT_CLS_EGALAX,
Andy Shevchenkoaa672da2013-05-17 14:34:48 +03001301 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1302 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
1303 { .driver_data = MT_CLS_EGALAX,
1304 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1305 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
1306 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001307 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoires66f06122011-11-23 10:54:33 +01001308 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
1309 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001310 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Marek Vasutbb9ff212011-11-23 10:54:32 +01001311 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
Benjamin Tissoires1b723e82011-11-23 10:54:34 +01001312 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001313 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001314 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1315 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001316 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Thierry Redingae01c9e2012-08-09 08:34:48 +02001317 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1318 { .driver_data = MT_CLS_EGALAX_SERIAL,
1319 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001320 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
Benjamin Tissoires22408282011-05-20 15:59:34 +02001321
Tomas Sokorai7c7606a2014-04-23 10:42:41 -04001322 /* Elitegroup panel */
1323 { .driver_data = MT_CLS_SERIAL,
1324 MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP,
1325 USB_DEVICE_ID_ELITEGROUP_05D8) },
1326
Henrik Rydberg77723e32012-09-07 19:37:40 +02001327 /* Flatfrog Panels */
1328 { .driver_data = MT_CLS_FLATFROG,
1329 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
1330 USB_DEVICE_ID_MULTITOUCH_3200) },
1331
Benjamin Tissoires3db187e2014-01-23 16:33:14 -05001332 /* FocalTech Panels */
1333 { .driver_data = MT_CLS_SERIAL,
1334 MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL,
1335 USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) },
1336
Benjamin Tissoires5572da02011-01-07 23:47:27 +01001337 /* GeneralTouch panel */
Xianhan Yuf5ff4e12012-09-28 10:18:59 +08001338 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001339 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
Benjamin Tissoires5572da02011-01-07 23:47:27 +01001340 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
Xianhan Yuf5ff4e12012-09-28 10:18:59 +08001341 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1342 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1343 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
Luosong7b226292013-10-02 11:20:00 +02001344 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
1345 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1346 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) },
1347 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1348 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1349 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) },
1350 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1351 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1352 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) },
1353 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1354 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1355 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) },
1356 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1357 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1358 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) },
Benjamin Tissoires5572da02011-01-07 23:47:27 +01001359
Andreas Nielsen4d5df5d2012-03-19 15:41:03 +01001360 /* Gametel game controller */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001361 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001362 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
Andreas Nielsen4d5df5d2012-03-19 15:41:03 +01001363 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1364
Benjamin Tissoiresee0fbd12011-05-19 14:18:15 +02001365 /* GoodTouch panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001366 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001367 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
Benjamin Tissoiresee0fbd12011-05-19 14:18:15 +02001368 USB_DEVICE_ID_GOODTOUCH_000f) },
1369
Benjamin Tissoires54580362011-11-29 13:13:12 +01001370 /* Hanvon panels */
1371 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001372 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
Benjamin Tissoires54580362011-11-29 13:13:12 +01001373 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1374
Austin Zhang4e61f0d2011-05-09 23:54:14 +08001375 /* Ilitek dual touch panel */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001376 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001377 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
Austin Zhang4e61f0d2011-05-09 23:54:14 +08001378 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1379
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +02001380 /* MosArt panels */
1381 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001382 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +02001383 USB_DEVICE_ID_ASUS_T91MT)},
1384 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001385 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +02001386 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1387 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001388 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +02001389 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1390
Denis Kovalev2258e862012-02-14 00:50:33 -08001391 /* Panasonic panels */
1392 { .driver_data = MT_CLS_PANASONIC,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001393 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
Denis Kovalev2258e862012-02-14 00:50:33 -08001394 USB_DEVICE_ID_PANABOARD_UBT780) },
1395 { .driver_data = MT_CLS_PANASONIC,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001396 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
Denis Kovalev2258e862012-02-14 00:50:33 -08001397 USB_DEVICE_ID_PANABOARD_UBT880) },
1398
Austin Hendrix4db703e2012-06-04 15:27:51 -07001399 /* Novatek Panel */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001400 { .driver_data = MT_CLS_NSMU,
Jiri Kosina4380d812012-06-06 16:28:33 +02001401 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
Austin Hendrix4db703e2012-06-04 15:27:51 -07001402 USB_DEVICE_ID_NOVATEK_PCT) },
1403
Aaron Tianb7ea95f2011-12-15 11:09:06 +08001404 /* PixArt optical touch screen */
1405 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001406 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
Aaron Tianb7ea95f2011-12-15 11:09:06 +08001407 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1408 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001409 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
Aaron Tianb7ea95f2011-12-15 11:09:06 +08001410 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1411 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001412 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
Aaron Tianb7ea95f2011-12-15 11:09:06 +08001413 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1414
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001415 /* PixCir-based panels */
Benjamin Tissoires1e9cf352011-01-31 11:28:20 +01001416 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001417 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001418 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1419
Benjamin Tissoires5e7ea112011-11-29 13:13:10 +01001420 /* Quanta-based panels */
1421 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001422 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
Benjamin Tissoires5e7ea112011-11-29 13:13:10 +01001423 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
Forest Bonda6802e02013-10-21 12:38:49 -04001424
Benjamin Tissoires043b4032011-03-18 14:27:53 +01001425 /* Stantum panels */
Benjamin Tissoiresbf5af9b2011-05-19 14:18:18 +02001426 { .driver_data = MT_CLS_CONFIDENCE,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001427 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
Benjamin Tissoires043b4032011-03-18 14:27:53 +01001428 USB_DEVICE_ID_MTP_STM)},
Benjamin Tissoires043b4032011-03-18 14:27:53 +01001429
Benjamin Tissoires847672c2012-02-04 17:08:50 +01001430 /* TopSeed panels */
1431 { .driver_data = MT_CLS_TOPSEED,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001432 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
Benjamin Tissoires847672c2012-02-04 17:08:50 +01001433 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1434
Benjamin Tissoires5e74e562011-05-19 14:18:16 +02001435 /* Touch International panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001436 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001437 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
Benjamin Tissoires5e74e562011-05-19 14:18:16 +02001438 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1439
Benjamin Tissoires617b64f2011-05-19 14:18:17 +02001440 /* Unitec panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001441 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001442 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
Benjamin Tissoires617b64f2011-05-19 14:18:17 +02001443 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001444 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001445 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
Benjamin Tissoires617b64f2011-05-19 14:18:17 +02001446 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
KaiChung Chengbf9d1212013-11-21 10:04:30 +01001447
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +01001448 /* VTL panels */
1449 { .driver_data = MT_CLS_VTL,
1450 MT_USB_DEVICE(USB_VENDOR_ID_VTL,
1451 USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) },
1452
KaiChung Chengbf9d1212013-11-21 10:04:30 +01001453 /* Wistron panels */
1454 { .driver_data = MT_CLS_NSMU,
1455 MT_USB_DEVICE(USB_VENDOR_ID_WISTRON,
1456 USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) },
1457
ice chienbc8a2a92011-07-15 16:58:06 +08001458 /* XAT */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001459 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001460 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
ice chienbc8a2a92011-07-15 16:58:06 +08001461 USB_DEVICE_ID_XAT_CSR) },
Benjamin Tissoires617b64f2011-05-19 14:18:17 +02001462
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001463 /* Xiroku */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001464 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001465 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001466 USB_DEVICE_ID_XIROKU_SPX) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001467 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001468 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001469 USB_DEVICE_ID_XIROKU_MPX) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001470 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001471 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001472 USB_DEVICE_ID_XIROKU_CSR) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001473 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001474 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001475 USB_DEVICE_ID_XIROKU_SPX1) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001476 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001477 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001478 USB_DEVICE_ID_XIROKU_MPX1) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001479 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001480 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001481 USB_DEVICE_ID_XIROKU_CSR1) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001482 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001483 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001484 USB_DEVICE_ID_XIROKU_SPX2) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001485 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001486 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001487 USB_DEVICE_ID_XIROKU_MPX2) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001488 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001489 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001490 USB_DEVICE_ID_XIROKU_CSR2) },
1491
Henrik Rydberg4fa3a582012-05-01 08:40:01 +02001492 /* Generic MT device */
1493 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +02001494
1495 /* Generic Win 8 certified MT device */
1496 { .driver_data = MT_CLS_WIN_8,
1497 HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8,
1498 HID_ANY_ID, HID_ANY_ID) },
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001499 { }
1500};
1501MODULE_DEVICE_TABLE(hid, mt_devices);
1502
1503static const struct hid_usage_id mt_grabbed_usages[] = {
1504 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1505 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1506};
1507
1508static struct hid_driver mt_driver = {
1509 .name = "hid-multitouch",
1510 .id_table = mt_devices,
1511 .probe = mt_probe,
1512 .remove = mt_remove,
1513 .input_mapping = mt_input_mapping,
1514 .input_mapped = mt_input_mapped,
Henrik Rydberg76f59022012-09-01 20:11:34 +02001515 .input_configured = mt_input_configured,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001516 .feature_mapping = mt_feature_mapping,
1517 .usage_table = mt_grabbed_usages,
1518 .event = mt_event,
Benjamin Tissoires55978fa2013-01-31 17:22:24 +01001519 .report = mt_report,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001520#ifdef CONFIG_PM
1521 .reset_resume = mt_reset_resume,
Scott Liudfeefd12012-08-15 17:21:55 +08001522 .resume = mt_resume,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001523#endif
1524};
H Hartley Sweetenf4254582012-12-17 15:28:26 -07001525module_hid_driver(mt_driver);