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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)
Allen Hung6dd2e272016-06-23 16:31:30 +080064#define MT_QUIRK_CONFIDENCE (1 << 7)
Stephane Chattya062cc52011-09-17 22:27:30 +020065#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
Henrik Rydberg77723e32012-09-07 19:37:40 +020066#define MT_QUIRK_NO_AREA (1 << 9)
Benjamin Tissoires28728392012-11-14 16:59:23 +010067#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +010068#define MT_QUIRK_HOVERING (1 << 11)
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +010069#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +010070#define MT_QUIRK_FORCE_GET_FEATURE (1 << 13)
Benjamin Tissoiresf3287a92017-01-30 10:48:06 +010071#define MT_QUIRK_FIX_CONST_CONTACT_ID (1 << 14)
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010072
Andrew Duggan9abebed2014-03-19 13:39:03 -070073#define MT_INPUTMODE_TOUCHSCREEN 0x02
74#define MT_INPUTMODE_TOUCHPAD 0x03
75
Seth Forshee2c6e0272015-03-11 17:26:41 -050076#define MT_BUTTONTYPE_CLICKPAD 0
77
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010078struct mt_slot {
Benjamin Tissoires349fd6702012-11-14 16:59:19 +010079 __s32 x, y, cx, cy, p, w, h;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010080 __s32 contactid; /* the device ContactID assigned to this slot */
81 bool touch_state; /* is the touch valid? */
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +010082 bool inrange_state; /* is the finger in proximity of the sensor? */
Allen Hung6dd2e272016-06-23 16:31:30 +080083 bool confidence_state; /* is the touch made by a finger? */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010084};
85
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010086struct mt_class {
Benjamin Tissoires2d936662011-01-11 16:45:54 +010087 __s32 name; /* MT_CLS */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010088 __s32 quirks;
89 __s32 sn_move; /* Signal/noise ratio for move events */
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +010090 __s32 sn_width; /* Signal/noise ratio for width events */
91 __s32 sn_height; /* Signal/noise ratio for height events */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010092 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
93 __u8 maxcontacts;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +010094 bool is_indirect; /* true for touchpads */
Benjamin Tissoires6aef7042014-02-28 11:41:25 -050095 bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +010096};
97
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +020098struct mt_fields {
99 unsigned usages[HID_MAX_FIELDS];
100 unsigned int length;
101};
102
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100103struct mt_device {
104 struct mt_slot curdata; /* placeholder of incoming data */
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100105 struct mt_class mtclass; /* our mt device class */
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200106 struct mt_fields *fields; /* temporary placeholder for storing the
107 multitouch fields */
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100108 int cc_index; /* contact count field index in the report */
109 int cc_value_index; /* contact count value index in the field */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100110 unsigned last_slot_field; /* the last field of a slot */
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100111 unsigned mt_report_id; /* the report ID of the multitouch device */
Benjamin Tissoiresb897f6d2016-11-25 14:27:22 +0100112 unsigned long initial_quirks; /* initial quirks state */
Benjamin Tissoires8821f5d2013-09-11 21:56:58 +0200113 __s16 inputmode; /* InputMode HID feature, -1 if non-existent */
114 __s16 inputmode_index; /* InputMode HID feature index in the report */
115 __s16 maxcontact_report_id; /* Maximum Contact Number HID feature,
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +0100116 -1 if non-existent */
Andrew Duggan9abebed2014-03-19 13:39:03 -0700117 __u8 inputmode_value; /* InputMode HID feature value */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100118 __u8 num_received; /* how many contacts we received */
119 __u8 num_expected; /* expected last contact index */
120 __u8 maxcontacts;
Benjamin Tissoires9e87f222012-03-06 17:57:06 +0100121 __u8 touches_by_report; /* how many touches are present in one report:
122 * 1 means we should use a serial protocol
123 * > 1 means hybrid (multitouch) protocol */
Benjamin Tissoires015fdaa2015-03-06 11:14:42 -0500124 __u8 buttons_count; /* number of physical buttons per touchpad */
Seth Forshee2c6e0272015-03-11 17:26:41 -0500125 bool is_buttonpad; /* is this device a button pad? */
Henrik Rydberg76f59022012-09-01 20:11:34 +0200126 bool serial_maybe; /* need to check for serial protocol */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100127 bool curvalid; /* is the current contact valid? */
Henrik Rydberg76f59022012-09-01 20:11:34 +0200128 unsigned mt_flags; /* flags to pass to input-mt */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100129};
130
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100131static void mt_post_parse_default_settings(struct mt_device *td);
132static void mt_post_parse(struct mt_device *td);
133
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100134/* classes of device behavior */
Benjamin Tissoires22408282011-05-20 15:59:34 +0200135#define MT_CLS_DEFAULT 0x0001
136
Stephane Chattya062cc52011-09-17 22:27:30 +0200137#define MT_CLS_SERIAL 0x0002
138#define MT_CLS_CONFIDENCE 0x0003
Benjamin Tissoires5e7ea112011-11-29 13:13:10 +0100139#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
140#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
141#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
142#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -0500143/* reserved 0x0008 */
Aaron Tianb7ea95f2011-12-15 11:09:06 +0800144#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +0100145#define MT_CLS_NSMU 0x000a
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -0500146/* reserved 0x0010 */
147/* reserved 0x0011 */
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200148#define MT_CLS_WIN_8 0x0012
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500149#define MT_CLS_EXPORT_ALL_INPUTS 0x0013
Benjamin Tissoires22408282011-05-20 15:59:34 +0200150
151/* vendor specific classes */
152#define MT_CLS_3M 0x0101
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -0500153/* reserved 0x0102 */
Benjamin Tissoires22408282011-05-20 15:59:34 +0200154#define MT_CLS_EGALAX 0x0103
Benjamin Tissoires1b723e82011-11-23 10:54:34 +0100155#define MT_CLS_EGALAX_SERIAL 0x0104
Benjamin Tissoires847672c2012-02-04 17:08:50 +0100156#define MT_CLS_TOPSEED 0x0105
Denis Kovalev2258e862012-02-14 00:50:33 -0800157#define MT_CLS_PANASONIC 0x0106
Henrik Rydberg77723e32012-09-07 19:37:40 +0200158#define MT_CLS_FLATFROG 0x0107
Jiri Kosinacdcd3ac2012-10-01 14:38:54 +0200159#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
160#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
Benjamin Tissoiresf3287a92017-01-30 10:48:06 +0100161#define MT_CLS_LG 0x010a
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100162#define MT_CLS_VTL 0x0110
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100163
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100164#define MT_DEFAULT_MAXCONTACT 10
Benjamin Tissoiresafbcb042012-11-14 16:59:18 +0100165#define MT_MAX_MAXCONTACT 250
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100166
Henrik Rydberg2c2110e2012-05-04 15:32:04 +0200167#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
168#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
169
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100170/*
171 * these device-dependent functions determine what slot corresponds
172 * to a valid contact that was just read.
173 */
174
Benjamin Tissoiresa3b5e572011-01-07 23:46:30 +0100175static int cypress_compute_slot(struct mt_device *td)
176{
177 if (td->curdata.contactid != 0 || td->num_received == 0)
178 return td->curdata.contactid;
179 else
180 return -1;
181}
182
Jiri Kosinab3c21d22011-11-22 23:23:37 +0100183static struct mt_class mt_classes[] = {
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100184 { .name = MT_CLS_DEFAULT,
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +0100185 .quirks = MT_QUIRK_ALWAYS_VALID |
186 MT_QUIRK_CONTACT_CNT_ACCURATE },
187 { .name = MT_CLS_NSMU,
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100188 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
Stephane Chattya062cc52011-09-17 22:27:30 +0200189 { .name = MT_CLS_SERIAL,
190 .quirks = MT_QUIRK_ALWAYS_VALID},
Benjamin Tissoires22408282011-05-20 15:59:34 +0200191 { .name = MT_CLS_CONFIDENCE,
192 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
Benjamin Tissoires5e7ea112011-11-29 13:13:10 +0100193 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
194 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
195 MT_QUIRK_SLOT_IS_CONTACTID },
Benjamin Tissoires22408282011-05-20 15:59:34 +0200196 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
197 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
198 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
Benjamin Tissoires1e9cf352011-01-31 11:28:20 +0100199 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100200 .quirks = MT_QUIRK_VALID_IS_INRANGE |
201 MT_QUIRK_SLOT_IS_CONTACTID,
202 .maxcontacts = 2 },
Benjamin Tissoires1e9cf352011-01-31 11:28:20 +0100203 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100204 .quirks = MT_QUIRK_VALID_IS_INRANGE |
205 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
206 .maxcontacts = 2 },
Aaron Tianb7ea95f2011-12-15 11:09:06 +0800207 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
208 .quirks = MT_QUIRK_VALID_IS_INRANGE |
209 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200210 { .name = MT_CLS_WIN_8,
211 .quirks = MT_QUIRK_ALWAYS_VALID |
212 MT_QUIRK_IGNORE_DUPLICATES |
213 MT_QUIRK_HOVERING |
214 MT_QUIRK_CONTACT_CNT_ACCURATE },
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500215 { .name = MT_CLS_EXPORT_ALL_INPUTS,
216 .quirks = MT_QUIRK_ALWAYS_VALID |
217 MT_QUIRK_CONTACT_CNT_ACCURATE,
218 .export_all_inputs = true },
Benjamin Tissoires22408282011-05-20 15:59:34 +0200219
220 /*
221 * vendor specific classes
222 */
223 { .name = MT_CLS_3M,
224 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
225 MT_QUIRK_SLOT_IS_CONTACTID,
226 .sn_move = 2048,
227 .sn_width = 128,
Henrik Rydbergc5d40be2012-09-05 16:58:12 +0200228 .sn_height = 128,
229 .maxcontacts = 60,
230 },
Richard Nauber4875ac12011-03-09 06:20:57 +0100231 { .name = MT_CLS_EGALAX,
232 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
Benjamin Tissoires2261bb92011-11-23 10:54:29 +0100233 MT_QUIRK_VALID_IS_INRANGE,
Richard Nauber4875ac12011-03-09 06:20:57 +0100234 .sn_move = 4096,
235 .sn_pressure = 32,
236 },
Benjamin Tissoires1b723e82011-11-23 10:54:34 +0100237 { .name = MT_CLS_EGALAX_SERIAL,
238 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
239 MT_QUIRK_ALWAYS_VALID,
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100240 .sn_move = 4096,
241 .sn_pressure = 32,
242 },
Benjamin Tissoires847672c2012-02-04 17:08:50 +0100243 { .name = MT_CLS_TOPSEED,
244 .quirks = MT_QUIRK_ALWAYS_VALID,
245 .is_indirect = true,
246 .maxcontacts = 2,
247 },
Denis Kovalev2258e862012-02-14 00:50:33 -0800248 { .name = MT_CLS_PANASONIC,
249 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
250 .maxcontacts = 4 },
Xianhan Yuf5ff4e12012-09-28 10:18:59 +0800251 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
252 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
253 MT_QUIRK_VALID_IS_INRANGE |
Luosong7b226292013-10-02 11:20:00 +0200254 MT_QUIRK_SLOT_IS_CONTACTID,
Xianhan Yuf5ff4e12012-09-28 10:18:59 +0800255 .maxcontacts = 2
256 },
257 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
258 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
Luosong7b226292013-10-02 11:20:00 +0200259 MT_QUIRK_SLOT_IS_CONTACTID
Xianhan Yuf5ff4e12012-09-28 10:18:59 +0800260 },
Benjamin Tissoires043b4032011-03-18 14:27:53 +0100261
Henrik Rydberg77723e32012-09-07 19:37:40 +0200262 { .name = MT_CLS_FLATFROG,
263 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
264 MT_QUIRK_NO_AREA,
265 .sn_move = 2048,
266 .maxcontacts = 40,
267 },
Benjamin Tissoiresf3287a92017-01-30 10:48:06 +0100268 { .name = MT_CLS_LG,
269 .quirks = MT_QUIRK_ALWAYS_VALID |
270 MT_QUIRK_FIX_CONST_CONTACT_ID |
271 MT_QUIRK_IGNORE_DUPLICATES |
272 MT_QUIRK_HOVERING |
273 MT_QUIRK_CONTACT_CNT_ACCURATE },
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100274 { .name = MT_CLS_VTL,
275 .quirks = MT_QUIRK_ALWAYS_VALID |
276 MT_QUIRK_CONTACT_CNT_ACCURATE |
277 MT_QUIRK_FORCE_GET_FEATURE,
278 },
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100279 { }
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100280};
281
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100282static ssize_t mt_show_quirks(struct device *dev,
283 struct device_attribute *attr,
284 char *buf)
285{
Geliang Tangee79a8f2015-12-27 17:25:21 +0800286 struct hid_device *hdev = to_hid_device(dev);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100287 struct mt_device *td = hid_get_drvdata(hdev);
288
289 return sprintf(buf, "%u\n", td->mtclass.quirks);
290}
291
292static ssize_t mt_set_quirks(struct device *dev,
293 struct device_attribute *attr,
294 const char *buf, size_t count)
295{
Geliang Tangee79a8f2015-12-27 17:25:21 +0800296 struct hid_device *hdev = to_hid_device(dev);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100297 struct mt_device *td = hid_get_drvdata(hdev);
298
299 unsigned long val;
300
301 if (kstrtoul(buf, 0, &val))
302 return -EINVAL;
303
304 td->mtclass.quirks = val;
305
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100306 if (td->cc_index < 0)
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100307 td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
308
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100309 return count;
310}
311
312static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
313
314static struct attribute *sysfs_attrs[] = {
315 &dev_attr_quirks.attr,
316 NULL
317};
318
319static struct attribute_group mt_attribute_group = {
320 .attrs = sysfs_attrs
321};
322
Mika Westerberg6d4f5442015-10-07 15:33:43 +0300323static void mt_get_feature(struct hid_device *hdev, struct hid_report *report)
324{
325 struct mt_device *td = hid_get_drvdata(hdev);
326 int ret, size = hid_report_len(report);
327 u8 *buf;
328
329 /*
Benjamin Tissoiresb897f6d2016-11-25 14:27:22 +0100330 * Do not fetch the feature report if the device has been explicitly
331 * marked as non-capable.
Mika Westerberg6d4f5442015-10-07 15:33:43 +0300332 */
Benjamin Tissoiresb897f6d2016-11-25 14:27:22 +0100333 if (td->initial_quirks & HID_QUIRK_NO_INIT_REPORTS)
Mika Westerberg6d4f5442015-10-07 15:33:43 +0300334 return;
335
336 buf = hid_alloc_report_buf(report, GFP_KERNEL);
337 if (!buf)
338 return;
339
340 ret = hid_hw_raw_request(hdev, report->id, buf, size,
341 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
342 if (ret < 0) {
343 dev_warn(&hdev->dev, "failed to fetch feature %d\n",
344 report->id);
345 } else {
346 ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf,
347 size, 0);
348 if (ret)
349 dev_warn(&hdev->dev, "failed to report feature\n");
350 }
351
352 kfree(buf);
353}
354
Henrik Rydbergf635bd12011-02-24 19:30:59 +0100355static void mt_feature_mapping(struct hid_device *hdev,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100356 struct hid_field *field, struct hid_usage *usage)
357{
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100358 struct mt_device *td = hid_get_drvdata(hdev);
359
360 switch (usage->hid) {
361 case HID_DG_INPUTMODE:
Benjamin Tissoires8821f5d2013-09-11 21:56:58 +0200362 /* Ignore if value index is out of bounds. */
363 if (usage->usage_index >= field->report_count) {
364 dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n");
365 break;
Benjamin Tissoires4aceed32012-06-19 14:39:52 +0200366 }
367
Benjamin Tissoires73e7d632015-12-01 12:41:38 +0100368 if (td->inputmode < 0) {
369 td->inputmode = field->report->id;
370 td->inputmode_index = usage->usage_index;
371 } else {
372 /*
373 * Some elan panels wrongly declare 2 input mode
374 * features, and silently ignore when we set the
375 * value in the second field. Skip the second feature
376 * and hope for the best.
377 */
378 dev_info(&hdev->dev,
379 "Ignoring the extra HID_DG_INPUTMODE\n");
380 }
Benjamin Tissoires8821f5d2013-09-11 21:56:58 +0200381
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100382 break;
383 case HID_DG_CONTACTMAX:
Mika Westerberg6d4f5442015-10-07 15:33:43 +0300384 mt_get_feature(hdev, field->report);
385
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +0100386 td->maxcontact_report_id = field->report->id;
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100387 td->maxcontacts = field->value[0];
Benjamin Tissoiresafbcb042012-11-14 16:59:18 +0100388 if (!td->maxcontacts &&
389 field->logical_maximum <= MT_MAX_MAXCONTACT)
390 td->maxcontacts = field->logical_maximum;
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100391 if (td->mtclass.maxcontacts)
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100392 /* check if the maxcontacts is given by the class */
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100393 td->maxcontacts = td->mtclass.maxcontacts;
Benjamin Tissoires9498f952011-03-18 14:27:52 +0100394
395 break;
Seth Forshee2c6e0272015-03-11 17:26:41 -0500396 case HID_DG_BUTTONTYPE:
397 if (usage->usage_index >= field->report_count) {
398 dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n");
399 break;
400 }
401
Mika Westerberg6d4f5442015-10-07 15:33:43 +0300402 mt_get_feature(hdev, field->report);
Seth Forshee2c6e0272015-03-11 17:26:41 -0500403 if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD)
404 td->is_buttonpad = true;
405
406 break;
Benjamin Tissoires45c5c682016-03-07 11:02:38 +0100407 case 0xff0000c5:
408 /* Retrieve the Win8 blob once to enable some devices */
409 if (usage->usage_index == 0)
410 mt_get_feature(hdev, field->report);
411 break;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100412 }
413}
414
415static void set_abs(struct input_dev *input, unsigned int code,
416 struct hid_field *field, int snratio)
417{
418 int fmin = field->logical_minimum;
419 int fmax = field->logical_maximum;
420 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
421 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
Benjamin Tissoires37cf6e62012-11-14 16:59:13 +0100422 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100423}
424
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200425static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
Benjamin Tissoiresed9d5c92012-03-06 17:57:03 +0100426 struct hid_input *hi)
427{
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200428 struct mt_fields *f = td->fields;
429
430 if (f->length >= HID_MAX_FIELDS)
431 return;
432
433 f->usages[f->length++] = usage->hid;
Benjamin Tissoiresed9d5c92012-03-06 17:57:03 +0100434}
435
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100436static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100437 struct hid_field *field, struct hid_usage *usage,
438 unsigned long **bit, int *max)
439{
440 struct mt_device *td = hid_get_drvdata(hdev);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100441 struct mt_class *cls = &td->mtclass;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100442 int code;
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100443 struct hid_usage *prev_usage = NULL;
Richard Nauber4875ac12011-03-09 06:20:57 +0100444
Jeff Brown658d4aed592011-08-15 16:44:28 -0700445 if (field->application == HID_DG_TOUCHSCREEN)
Henrik Rydberg76f59022012-09-01 20:11:34 +0200446 td->mt_flags |= INPUT_MT_DIRECT;
Jeff Brown658d4aed592011-08-15 16:44:28 -0700447
Henrik Rydberg76f59022012-09-01 20:11:34 +0200448 /*
449 * Model touchscreens providing buttons as touchpads.
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100450 */
451 if (field->application == HID_DG_TOUCHPAD ||
Andrew Duggan9abebed2014-03-19 13:39:03 -0700452 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
Henrik Rydberg76f59022012-09-01 20:11:34 +0200453 td->mt_flags |= INPUT_MT_POINTER;
Andrew Duggan9abebed2014-03-19 13:39:03 -0700454 td->inputmode_value = MT_INPUTMODE_TOUCHPAD;
455 }
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100456
Benjamin Tissoires015fdaa2015-03-06 11:14:42 -0500457 /* count the buttons on touchpads */
458 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
459 td->buttons_count++;
460
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100461 if (usage->usage_index)
462 prev_usage = &field->usage[usage->usage_index - 1];
463
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100464 switch (usage->hid & HID_USAGE_PAGE) {
465
466 case HID_UP_GENDESK:
467 switch (usage->hid) {
468 case HID_GD_X:
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100469 if (prev_usage && (prev_usage->hid == usage->hid)) {
470 hid_map_usage(hi, usage, bit, max,
471 EV_ABS, ABS_MT_TOOL_X);
472 set_abs(hi->input, ABS_MT_TOOL_X, field,
473 cls->sn_move);
474 } else {
475 hid_map_usage(hi, usage, bit, max,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100476 EV_ABS, ABS_MT_POSITION_X);
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100477 set_abs(hi->input, ABS_MT_POSITION_X, field,
478 cls->sn_move);
479 }
480
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200481 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100482 return 1;
483 case HID_GD_Y:
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100484 if (prev_usage && (prev_usage->hid == usage->hid)) {
485 hid_map_usage(hi, usage, bit, max,
486 EV_ABS, ABS_MT_TOOL_Y);
487 set_abs(hi->input, ABS_MT_TOOL_Y, field,
488 cls->sn_move);
489 } else {
490 hid_map_usage(hi, usage, bit, max,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100491 EV_ABS, ABS_MT_POSITION_Y);
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100492 set_abs(hi->input, ABS_MT_POSITION_Y, field,
493 cls->sn_move);
494 }
495
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200496 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100497 return 1;
498 }
499 return 0;
500
501 case HID_UP_DIGITIZER:
502 switch (usage->hid) {
503 case HID_DG_INRANGE:
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +0100504 if (cls->quirks & MT_QUIRK_HOVERING) {
505 hid_map_usage(hi, usage, bit, max,
506 EV_ABS, ABS_MT_DISTANCE);
507 input_set_abs_params(hi->input,
508 ABS_MT_DISTANCE, 0, 1, 0, 0);
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_CONFIDENCE:
Allen Hung6dd2e272016-06-23 16:31:30 +0800513 if (cls->name == MT_CLS_WIN_8 &&
514 field->application == HID_DG_TOUCHPAD)
515 cls->quirks |= MT_QUIRK_CONFIDENCE;
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200516 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100517 return 1;
518 case HID_DG_TIPSWITCH:
519 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
520 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200521 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100522 return 1;
523 case HID_DG_CONTACTID:
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200524 mt_store_field(usage, td, hi);
Benjamin Tissoires9e87f222012-03-06 17:57:06 +0100525 td->touches_by_report++;
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100526 td->mt_report_id = field->report->id;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100527 return 1;
528 case HID_DG_WIDTH:
529 hid_map_usage(hi, usage, bit, max,
530 EV_ABS, ABS_MT_TOUCH_MAJOR);
Henrik Rydberg77723e32012-09-07 19:37:40 +0200531 if (!(cls->quirks & MT_QUIRK_NO_AREA))
532 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
533 cls->sn_width);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200534 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100535 return 1;
536 case HID_DG_HEIGHT:
537 hid_map_usage(hi, usage, bit, max,
538 EV_ABS, ABS_MT_TOUCH_MINOR);
Henrik Rydberg77723e32012-09-07 19:37:40 +0200539 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
540 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
541 cls->sn_height);
542 input_set_abs_params(hi->input,
Benjamin Tissoires1e648a12011-03-18 14:27:55 +0100543 ABS_MT_ORIENTATION, 0, 1, 0, 0);
Henrik Rydberg77723e32012-09-07 19:37:40 +0200544 }
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200545 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100546 return 1;
547 case HID_DG_TIPPRESSURE:
548 hid_map_usage(hi, usage, bit, max,
549 EV_ABS, ABS_MT_PRESSURE);
550 set_abs(hi->input, ABS_MT_PRESSURE, field,
551 cls->sn_pressure);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +0200552 mt_store_field(usage, td, hi);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100553 return 1;
554 case HID_DG_CONTACTCOUNT:
Benjamin Tissoires8821f5d2013-09-11 21:56:58 +0200555 /* Ignore if indexes are out of bounds. */
556 if (field->index >= field->report->maxfield ||
557 usage->usage_index >= field->report_count)
558 return 1;
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100559 td->cc_index = field->index;
560 td->cc_value_index = usage->usage_index;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100561 return 1;
562 case HID_DG_CONTACTMAX:
563 /* we don't set td->last_slot_field as contactcount and
564 * contact max are global to the report */
565 return -1;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100566 case HID_DG_TOUCH:
567 /* Legacy devices use TIPSWITCH and not TOUCH.
568 * Let's just ignore this field. */
569 return -1;
Alan Cox65b258e2012-10-25 15:35:25 +0100570 }
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100571 /* let hid-input decide for the others */
572 return 0;
573
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100574 case HID_UP_BUTTON:
575 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
Benjamin Tissoires594312b2016-11-25 11:08:10 +0100576 /*
577 * MS PTP spec says that external buttons left and right have
578 * usages 2 and 3.
579 */
580 if (cls->name == MT_CLS_WIN_8 &&
581 field->application == HID_DG_TOUCHPAD &&
582 (usage->hid & HID_USAGE) > 1)
583 code--;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100584 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
585 input_set_capability(hi->input, EV_KEY, code);
586 return 1;
587
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100588 case 0xff000000:
589 /* we do not want to map these: no input-oriented meaning */
590 return -1;
591 }
592
593 return 0;
594}
595
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100596static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100597 struct hid_field *field, struct hid_usage *usage,
598 unsigned long **bit, int *max)
599{
600 if (usage->type == EV_KEY || usage->type == EV_ABS)
601 set_bit(usage->type, hi->input->evbit);
602
603 return -1;
604}
605
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200606static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100607{
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100608 __s32 quirks = td->mtclass.quirks;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100609
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100610 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
611 return td->curdata.contactid;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100612
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100613 if (quirks & MT_QUIRK_CYPRESS)
Benjamin Tissoiresa3b5e572011-01-07 23:46:30 +0100614 return cypress_compute_slot(td);
615
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100616 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
617 return td->num_received;
Benjamin Tissoires5572da02011-01-07 23:47:27 +0100618
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +0200619 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
620 return td->curdata.contactid - 1;
621
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200622 return input_mt_get_slot_by_key(input, td->curdata.contactid);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100623}
624
625/*
626 * this function is called when a whole contact has been processed,
627 * so that it can assign it to a slot and store the data there
628 */
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200629static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100630{
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100631 if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
632 td->num_received >= td->num_expected)
633 return;
634
Benjamin Tissoires20b60e62012-11-14 16:59:20 +0100635 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
Allen Hung6dd2e272016-06-23 16:31:30 +0800636 int active;
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200637 int slotnum = mt_compute_slot(td, input);
638 struct mt_slot *s = &td->curdata;
Benjamin Tissoires28728392012-11-14 16:59:23 +0100639 struct input_mt *mt = input->mt;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100640
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200641 if (slotnum < 0 || slotnum >= td->maxcontacts)
642 return;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100643
Benjamin Tissoires28728392012-11-14 16:59:23 +0100644 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
645 struct input_mt_slot *slot = &mt->slots[slotnum];
646 if (input_mt_is_active(slot) &&
647 input_mt_is_used(mt, slot))
648 return;
649 }
650
Allen Hung6dd2e272016-06-23 16:31:30 +0800651 if (!(td->mtclass.quirks & MT_QUIRK_CONFIDENCE))
652 s->confidence_state = 1;
653 active = (s->touch_state || s->inrange_state) &&
654 s->confidence_state;
655
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200656 input_mt_slot(input, slotnum);
Allen Hung6dd2e272016-06-23 16:31:30 +0800657 input_mt_report_slot_state(input, MT_TOOL_FINGER, active);
658 if (active) {
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +0100659 /* this finger is in proximity of the sensor */
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +0100660 int wide = (s->w > s->h);
661 /* divided by two to match visual scale of touch */
662 int major = max(s->w, s->h) >> 1;
663 int minor = min(s->w, s->h) >> 1;
664
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100665 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
666 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100667 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
668 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +0100669 input_event(input, EV_ABS, ABS_MT_DISTANCE,
670 !s->touch_state);
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +0100671 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100672 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +0100673 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
674 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100675 }
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100676 }
677
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200678 td->num_received++;
679}
680
681/*
682 * this function is called when a whole packet has been received and processed,
683 * so that it can decide what to send to the input layer.
684 */
685static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
686{
Henrik Rydberg76f59022012-09-01 20:11:34 +0200687 input_mt_sync_frame(input);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100688 input_sync(input);
689 td->num_received = 0;
690}
691
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100692static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100693 struct hid_usage *usage, __s32 value)
694{
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100695 /* we will handle the hidinput part later, now remains hiddev */
696 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
697 hid->hiddev_hid_event(hid, field, usage, value);
698
699 return 1;
700}
701
702static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
703 struct hid_usage *usage, __s32 value)
704{
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100705 struct mt_device *td = hid_get_drvdata(hid);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +0100706 __s32 quirks = td->mtclass.quirks;
Benjamin Tissoires4c437552013-03-22 18:53:57 +0100707 struct input_dev *input = field->hidinput->input;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100708
Henrik Rydberg3e1b5012012-09-01 19:46:58 +0200709 if (hid->claimed & HID_CLAIMED_INPUT) {
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100710 switch (usage->hid) {
711 case HID_DG_INRANGE:
Benjamin Tissoires20b60e62012-11-14 16:59:20 +0100712 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100713 td->curvalid = value;
Benjamin Tissoires9b3bb9b82012-11-14 16:59:24 +0100714 if (quirks & MT_QUIRK_HOVERING)
715 td->curdata.inrange_state = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100716 break;
717 case HID_DG_TIPSWITCH:
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100718 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
719 td->curvalid = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100720 td->curdata.touch_state = value;
721 break;
722 case HID_DG_CONFIDENCE:
Allen Hung6dd2e272016-06-23 16:31:30 +0800723 if (quirks & MT_QUIRK_CONFIDENCE)
724 td->curdata.confidence_state = value;
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100725 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
726 td->curvalid = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100727 break;
728 case HID_DG_CONTACTID:
729 td->curdata.contactid = value;
730 break;
731 case HID_DG_TIPPRESSURE:
732 td->curdata.p = value;
733 break;
734 case HID_GD_X:
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100735 if (usage->code == ABS_MT_TOOL_X)
736 td->curdata.cx = value;
737 else
738 td->curdata.x = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100739 break;
740 case HID_GD_Y:
Benjamin Tissoires349fd6702012-11-14 16:59:19 +0100741 if (usage->code == ABS_MT_TOOL_Y)
742 td->curdata.cy = value;
743 else
744 td->curdata.y = value;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100745 break;
746 case HID_DG_WIDTH:
747 td->curdata.w = value;
748 break;
749 case HID_DG_HEIGHT:
750 td->curdata.h = value;
751 break;
752 case HID_DG_CONTACTCOUNT:
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100753 break;
Benjamin Tissoiresc2ef8f22012-02-04 17:08:48 +0100754 case HID_DG_TOUCH:
755 /* do nothing */
756 break;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100757
758 default:
Benjamin Tissoires4c437552013-03-22 18:53:57 +0100759 if (usage->type)
760 input_event(input, usage->type, usage->code,
761 value);
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100762 return;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100763 }
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100764
Benjamin Tissoires54f4c0c2012-11-14 16:59:17 +0100765 if (usage->usage_index + 1 == field->report_count) {
766 /* we only take into account the last report. */
767 if (usage->hid == td->last_slot_field)
768 mt_complete_slot(td, field->hidinput->input);
Benjamin Tissoires54f4c0c2012-11-14 16:59:17 +0100769 }
Benjamin Tissoires2d936662011-01-11 16:45:54 +0100770
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100771 }
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100772}
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100773
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100774static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100775{
776 struct mt_device *td = hid_get_drvdata(hid);
777 struct hid_field *field;
778 unsigned count;
779 int r, n;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100780
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100781 /*
782 * Includes multi-packet support where subsequent
783 * packets are sent with zero contactcount.
784 */
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +0100785 if (td->cc_index >= 0) {
786 struct hid_field *field = report->field[td->cc_index];
787 int value = field->value[td->cc_value_index];
788 if (value)
789 td->num_expected = value;
790 }
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +0100791
Benjamin Tissoires55978fa2013-01-31 17:22:24 +0100792 for (r = 0; r < report->maxfield; r++) {
793 field = report->field[r];
794 count = field->report_count;
795
796 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
797 continue;
798
799 for (n = 0; n < count; n++)
800 mt_process_mt_event(hid, field, &field->usage[n],
801 field->value[n]);
802 }
Benjamin Tissoires5b62efd2013-02-27 16:23:15 +0100803
804 if (td->num_received >= td->num_expected)
805 mt_sync_frame(td, report->field[0]->hidinput->input);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100806}
807
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700808static int mt_touch_input_configured(struct hid_device *hdev,
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100809 struct hid_input *hi)
810{
811 struct mt_device *td = hid_get_drvdata(hdev);
812 struct mt_class *cls = &td->mtclass;
813 struct input_dev *input = hi->input;
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700814 int ret;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100815
816 if (!td->maxcontacts)
817 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
818
819 mt_post_parse(td);
820 if (td->serial_maybe)
821 mt_post_parse_default_settings(td);
822
823 if (cls->is_indirect)
824 td->mt_flags |= INPUT_MT_POINTER;
825
826 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
827 td->mt_flags |= INPUT_MT_DROP_UNUSED;
828
Benjamin Tissoires015fdaa2015-03-06 11:14:42 -0500829 /* check for clickpads */
830 if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1))
Seth Forshee2c6e0272015-03-11 17:26:41 -0500831 td->is_buttonpad = true;
832
833 if (td->is_buttonpad)
Benjamin Tissoires015fdaa2015-03-06 11:14:42 -0500834 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
835
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700836 ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
837 if (ret)
838 return ret;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100839
840 td->mt_flags = 0;
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -0700841 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100842}
843
844static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
845 struct hid_field *field, struct hid_usage *usage,
846 unsigned long **bit, int *max)
847{
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500848 struct mt_device *td = hid_get_drvdata(hdev);
849
850 /*
851 * If mtclass.export_all_inputs is not set, only map fields from
852 * TouchScreen or TouchPad collections. We need to ignore fields
853 * that belong to other collections such as Mouse that might have
854 * the same GenericDesktop usages.
855 */
856 if (!td->mtclass.export_all_inputs &&
857 field->application != HID_DG_TOUCHSCREEN &&
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +0100858 field->application != HID_DG_PEN &&
Benjamin Tissoires8fe89ef2016-11-25 14:27:23 +0100859 field->application != HID_DG_TOUCHPAD &&
860 field->application != HID_GD_KEYBOARD &&
861 field->application != HID_CP_CONSUMER_CONTROL)
Benjamin Tissoires6f492f22013-03-22 18:38:30 +0100862 return -1;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100863
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500864 /*
865 * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
866 * for the stylus.
Brent Adam1cc1cc92015-06-19 10:53:35 -0600867 * The check for mt_report_id ensures we don't process
868 * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical
869 * collection, but within the report ID.
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500870 */
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100871 if (field->physical == HID_DG_STYLUS)
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500872 return 0;
Brent Adam1cc1cc92015-06-19 10:53:35 -0600873 else if ((field->physical == 0) &&
874 (field->report->id != td->mt_report_id) &&
875 (td->mt_report_id != -1))
876 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100877
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500878 if (field->application == HID_DG_TOUCHSCREEN ||
879 field->application == HID_DG_TOUCHPAD)
880 return mt_touch_input_mapping(hdev, hi, field, usage, bit, max);
881
882 /* let hid-core decide for the others */
883 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100884}
885
886static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
887 struct hid_field *field, struct hid_usage *usage,
888 unsigned long **bit, int *max)
889{
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500890 /*
891 * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
892 * for the stylus.
893 */
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +0100894 if (field->physical == HID_DG_STYLUS)
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500895 return 0;
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +0100896
Benjamin Tissoires6aef7042014-02-28 11:41:25 -0500897 if (field->application == HID_DG_TOUCHSCREEN ||
898 field->application == HID_DG_TOUCHPAD)
899 return mt_touch_input_mapped(hdev, hi, field, usage, bit, max);
900
901 /* let hid-core decide for the others */
902 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100903}
904
905static int mt_event(struct hid_device *hid, struct hid_field *field,
906 struct hid_usage *usage, __s32 value)
907{
908 struct mt_device *td = hid_get_drvdata(hid);
909
910 if (field->report->id == td->mt_report_id)
911 return mt_touch_event(hid, field, usage, value);
912
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500913 return 0;
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100914}
915
916static void mt_report(struct hid_device *hid, struct hid_report *report)
917{
918 struct mt_device *td = hid_get_drvdata(hid);
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500919 struct hid_field *field = report->field[0];
Benjamin Tissoiresa69c5f82013-03-22 18:38:29 +0100920
921 if (!(hid->claimed & HID_CLAIMED_INPUT))
922 return;
923
924 if (report->id == td->mt_report_id)
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500925 return mt_touch_report(hid, report);
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +0100926
Benjamin Tissoirese55f6202014-02-28 11:41:24 -0500927 if (field && field->hidinput && field->hidinput->input)
928 input_sync(field->hidinput->input);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100929}
930
931static void mt_set_input_mode(struct hid_device *hdev)
932{
933 struct mt_device *td = hid_get_drvdata(hdev);
934 struct hid_report *r;
935 struct hid_report_enum *re;
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100936 struct mt_class *cls = &td->mtclass;
937 char *buf;
938 int report_len;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100939
940 if (td->inputmode < 0)
941 return;
942
943 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
944 r = re->report_id_hash[td->inputmode];
945 if (r) {
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100946 if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) {
Mathieu Magnaudetdabb05c62014-11-27 16:02:36 +0100947 report_len = hid_report_len(r);
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +0100948 buf = hid_alloc_report_buf(r, GFP_KERNEL);
949 if (!buf) {
950 hid_err(hdev, "failed to allocate buffer for report\n");
951 return;
952 }
953 hid_hw_raw_request(hdev, r->id, buf, report_len,
954 HID_FEATURE_REPORT,
955 HID_REQ_GET_REPORT);
956 kfree(buf);
957 }
Andrew Duggan9abebed2014-03-19 13:39:03 -0700958 r->field[0]->value[td->inputmode_index] = td->inputmode_value;
Benjamin Tissoiresd88142722013-02-25 11:31:46 +0100959 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +0100960 }
961}
962
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +0100963static void mt_set_maxcontacts(struct hid_device *hdev)
964{
965 struct mt_device *td = hid_get_drvdata(hdev);
966 struct hid_report *r;
967 struct hid_report_enum *re;
968 int fieldmax, max;
969
970 if (td->maxcontact_report_id < 0)
971 return;
972
973 if (!td->mtclass.maxcontacts)
974 return;
975
976 re = &hdev->report_enum[HID_FEATURE_REPORT];
977 r = re->report_id_hash[td->maxcontact_report_id];
978 if (r) {
979 max = td->mtclass.maxcontacts;
980 fieldmax = r->field[0]->logical_maximum;
981 max = min(fieldmax, max);
982 if (r->field[0]->value[0] != max) {
983 r->field[0]->value[0] = max;
Benjamin Tissoiresd88142722013-02-25 11:31:46 +0100984 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +0100985 }
986 }
987}
988
Henrik Rydberg4fa3a582012-05-01 08:40:01 +0200989static void mt_post_parse_default_settings(struct mt_device *td)
990{
991 __s32 quirks = td->mtclass.quirks;
992
993 /* unknown serial device needs special quirks */
994 if (td->touches_by_report == 1) {
995 quirks |= MT_QUIRK_ALWAYS_VALID;
996 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
997 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
998 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
Benjamin Tissoirese0bb8f92013-01-31 17:22:27 +0100999 quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
Henrik Rydberg4fa3a582012-05-01 08:40:01 +02001000 }
1001
1002 td->mtclass.quirks = quirks;
1003}
1004
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001005static void mt_post_parse(struct mt_device *td)
1006{
1007 struct mt_fields *f = td->fields;
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +01001008 struct mt_class *cls = &td->mtclass;
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001009
1010 if (td->touches_by_report > 0) {
1011 int field_count_per_touch = f->length / td->touches_by_report;
1012 td->last_slot_field = f->usages[field_count_per_touch - 1];
1013 }
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +01001014
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +01001015 if (td->cc_index < 0)
Benjamin Tissoiresc2517f62013-01-31 17:22:25 +01001016 cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001017}
1018
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -07001019static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
Henrik Rydberg76f59022012-09-01 20:11:34 +02001020{
1021 struct mt_device *td = hid_get_drvdata(hdev);
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001022 char *name;
1023 const char *suffix = NULL;
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001024 struct hid_field *field = hi->report->field[0];
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -07001025 int ret;
Henrik Rydberg76f59022012-09-01 20:11:34 +02001026
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -07001027 if (hi->report->id == td->mt_report_id) {
1028 ret = mt_touch_input_configured(hdev, hi);
1029 if (ret)
1030 return ret;
1031 }
Henrik Rydberg76f59022012-09-01 20:11:34 +02001032
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001033 /*
1034 * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
1035 * for the stylus. Check this first, and then rely on the application
1036 * field.
1037 */
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001038 if (hi->report->field[0]->physical == HID_DG_STYLUS) {
1039 suffix = "Pen";
Benjamin Tissoirese55f6202014-02-28 11:41:24 -05001040 /* force BTN_STYLUS to allow tablet matching in udev */
1041 __set_bit(BTN_STYLUS, hi->input->keybit);
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001042 } else {
1043 switch (field->application) {
1044 case HID_GD_KEYBOARD:
1045 suffix = "Keyboard";
1046 break;
1047 case HID_GD_KEYPAD:
1048 suffix = "Keypad";
1049 break;
1050 case HID_GD_MOUSE:
1051 suffix = "Mouse";
1052 break;
1053 case HID_DG_STYLUS:
1054 suffix = "Pen";
1055 /* force BTN_STYLUS to allow tablet matching in udev */
1056 __set_bit(BTN_STYLUS, hi->input->keybit);
1057 break;
1058 case HID_DG_TOUCHSCREEN:
1059 /* we do not set suffix = "Touchscreen" */
1060 break;
Mika Westerbergdc425a12015-09-28 17:22:17 +03001061 case HID_DG_TOUCHPAD:
1062 suffix = "Touchpad";
1063 break;
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001064 case HID_GD_SYSTEM_CONTROL:
1065 suffix = "System Control";
1066 break;
1067 case HID_CP_CONSUMER_CONTROL:
1068 suffix = "Consumer Control";
1069 break;
1070 default:
1071 suffix = "UNKNOWN";
1072 break;
1073 }
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001074 }
1075
1076 if (suffix) {
1077 name = devm_kzalloc(&hi->input->dev,
1078 strlen(hdev->name) + strlen(suffix) + 2,
1079 GFP_KERNEL);
1080 if (name) {
1081 sprintf(name, "%s %s", hdev->name, suffix);
1082 hi->input->name = name;
1083 }
1084 }
Dmitry Torokhovb2c68a22015-09-29 15:52:59 -07001085
1086 return 0;
Henrik Rydberg76f59022012-09-01 20:11:34 +02001087}
1088
Benjamin Tissoiresf3287a92017-01-30 10:48:06 +01001089static void mt_fix_const_field(struct hid_field *field, unsigned int usage)
1090{
1091 if (field->usage[0].hid != usage ||
1092 !(field->flags & HID_MAIN_ITEM_CONSTANT))
1093 return;
1094
1095 field->flags &= ~HID_MAIN_ITEM_CONSTANT;
1096 field->flags |= HID_MAIN_ITEM_VARIABLE;
1097}
1098
1099static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage)
1100{
1101 struct hid_report *report;
1102 int i;
1103
1104 list_for_each_entry(report,
1105 &hdev->report_enum[HID_INPUT_REPORT].report_list,
1106 list) {
1107
1108 if (!report->maxfield)
1109 continue;
1110
1111 for (i = 0; i < report->maxfield; i++)
1112 if (report->field[i]->maxusage >= 1)
1113 mt_fix_const_field(report->field[i], usage);
1114 }
1115}
1116
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001117static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
1118{
Benjamin Tissoires2d936662011-01-11 16:45:54 +01001119 int ret, i;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001120 struct mt_device *td;
Benjamin Tissoires2d936662011-01-11 16:45:54 +01001121 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
1122
Henrik Rydberg94b5485c2012-08-08 21:45:50 +02001123 for (i = 0; mt_classes[i].name ; i++) {
1124 if (id->driver_data == mt_classes[i].name) {
1125 mtclass = &(mt_classes[i]);
1126 break;
Benjamin Tissoires2d936662011-01-11 16:45:54 +01001127 }
1128 }
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001129
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001130 td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001131 if (!td) {
1132 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
1133 return -ENOMEM;
1134 }
Benjamin Tissoireseec29e32011-11-23 10:54:28 +01001135 td->mtclass = *mtclass;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001136 td->inputmode = -1;
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +01001137 td->maxcontact_report_id = -1;
Andrew Duggan9abebed2014-03-19 13:39:03 -07001138 td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN;
Benjamin Tissoires7e3cc442013-02-06 12:10:47 +01001139 td->cc_index = -1;
Benjamin Tissoiresfa11aa72013-03-22 18:38:32 +01001140 td->mt_report_id = -1;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001141 hid_set_drvdata(hdev, td);
1142
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001143 td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields),
1144 GFP_KERNEL);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001145 if (!td->fields) {
1146 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001147 return -ENOMEM;
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001148 }
1149
Henrik Rydberg76f59022012-09-01 20:11:34 +02001150 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
1151 td->serial_maybe = true;
1152
Benjamin Tissoiresb897f6d2016-11-25 14:27:22 +01001153 /*
1154 * Store the initial quirk state
1155 */
1156 td->initial_quirks = hdev->quirks;
1157
1158 /* This allows the driver to correctly support devices
1159 * that emit events over several HID messages.
1160 */
1161 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
1162
1163 /*
1164 * This allows the driver to handle different input sensors
1165 * that emits events through different reports on the same HID
1166 * device.
1167 */
1168 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1169 hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT;
1170
1171 /*
1172 * Some multitouch screens do not like to be polled for input
1173 * reports. Fortunately, the Win8 spec says that all touches
1174 * should be sent during each report, making the initialization
1175 * of input reports unnecessary. For Win7 devices, well, let's hope
1176 * they will still be happy (this is only be a problem if a touch
1177 * was already there while probing the device).
1178 *
1179 * In addition some touchpads do not behave well if we read
1180 * all feature reports from them. Instead we prevent
1181 * initial report fetching and then selectively fetch each
1182 * report we are interested in.
1183 */
1184 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1185
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001186 ret = hid_parse(hdev);
1187 if (ret != 0)
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001188 return ret;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001189
Benjamin Tissoiresf3287a92017-01-30 10:48:06 +01001190 if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID)
1191 mt_fix_const_fields(hdev, HID_DG_CONTACTID);
1192
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001193 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
Benjamin Tissoires2d936662011-01-11 16:45:54 +01001194 if (ret)
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001195 return ret;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001196
Benjamin Tissoireseec29e32011-11-23 10:54:28 +01001197 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
Nicholas Krause0c4b3c62016-02-04 10:52:40 -05001198 if (ret)
1199 dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n",
1200 hdev->name);
Benjamin Tissoireseec29e32011-11-23 10:54:28 +01001201
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +01001202 mt_set_maxcontacts(hdev);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001203 mt_set_input_mode(hdev);
1204
Benjamin Tissoiresc08d46a2013-07-24 19:38:05 +02001205 /* release .fields memory as it is not used anymore */
1206 devm_kfree(&hdev->dev, td->fields);
Benjamin Tissoires3ac36d12012-05-04 14:53:46 +02001207 td->fields = NULL;
1208
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001209 return 0;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001210}
1211
1212#ifdef CONFIG_PM
Benson Leungd3e69b92016-03-11 14:19:49 -08001213static void mt_release_contacts(struct hid_device *hid)
1214{
1215 struct hid_input *hidinput;
1216
1217 list_for_each_entry(hidinput, &hid->inputs, list) {
1218 struct input_dev *input_dev = hidinput->input;
1219 struct input_mt *mt = input_dev->mt;
1220 int i;
1221
1222 if (mt) {
1223 for (i = 0; i < mt->num_slots; i++) {
1224 input_mt_slot(input_dev, i);
1225 input_mt_report_slot_state(input_dev,
1226 MT_TOOL_FINGER,
1227 false);
1228 }
Gabriele Mazzotta0a0f5b72016-03-29 22:10:41 +02001229 input_mt_sync_frame(input_dev);
Benson Leungd3e69b92016-03-11 14:19:49 -08001230 input_sync(input_dev);
1231 }
1232 }
1233}
1234
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001235static int mt_reset_resume(struct hid_device *hdev)
1236{
Benson Leungd3e69b92016-03-11 14:19:49 -08001237 mt_release_contacts(hdev);
Benjamin Tissoires31ae9bd2012-02-04 17:08:49 +01001238 mt_set_maxcontacts(hdev);
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001239 mt_set_input_mode(hdev);
1240 return 0;
1241}
Scott Liudfeefd12012-08-15 17:21:55 +08001242
1243static int mt_resume(struct hid_device *hdev)
1244{
Scott Liudfeefd12012-08-15 17:21:55 +08001245 /* Some Elan legacy devices require SET_IDLE to be set on resume.
1246 * It should be safe to send it to other devices too.
1247 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
1248
Benjamin Tissoires4ba25d32013-02-27 16:38:18 +01001249 hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
Scott Liudfeefd12012-08-15 17:21:55 +08001250
1251 return 0;
1252}
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001253#endif
1254
1255static void mt_remove(struct hid_device *hdev)
1256{
Benjamin Tissoiresb897f6d2016-11-25 14:27:22 +01001257 struct mt_device *td = hid_get_drvdata(hdev);
1258
Benjamin Tissoireseec29e32011-11-23 10:54:28 +01001259 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
Benjamin Tissoires59392122013-05-29 10:45:09 +02001260 hid_hw_stop(hdev);
Benjamin Tissoiresb897f6d2016-11-25 14:27:22 +01001261 hdev->quirks = td->initial_quirks;
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001262}
1263
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -05001264/*
1265 * This list contains only:
1266 * - VID/PID of products not working with the default multitouch handling
1267 * - 2 generic rules.
1268 * So there is no point in adding here any device with MT_CLS_DEFAULT.
1269 */
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001270static const struct hid_device_id mt_devices[] = {
1271
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +01001272 /* 3M panels */
1273 { .driver_data = MT_CLS_3M,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001274 MT_USB_DEVICE(USB_VENDOR_ID_3M,
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +01001275 USB_DEVICE_ID_3M1968) },
1276 { .driver_data = MT_CLS_3M,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001277 MT_USB_DEVICE(USB_VENDOR_ID_3M,
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +01001278 USB_DEVICE_ID_3M2256) },
Benjamin Tissoiresc4fad872011-12-23 15:41:00 +01001279 { .driver_data = MT_CLS_3M,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001280 MT_USB_DEVICE(USB_VENDOR_ID_3M,
Benjamin Tissoiresc4fad872011-12-23 15:41:00 +01001281 USB_DEVICE_ID_3M3266) },
Benjamin Tissoiresf786bba2011-03-22 17:34:01 +01001282
Benjamin Tissoires6aef7042014-02-28 11:41:25 -05001283 /* Anton devices */
1284 { .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
1285 MT_USB_DEVICE(USB_VENDOR_ID_ANTON,
1286 USB_DEVICE_ID_ANTON_TOUCH_PAD) },
Benjamin Tissoirese6aac342011-05-19 14:18:13 +02001287
Benjamin Tissoiresb1057122011-12-23 15:40:59 +01001288 /* Atmel panels */
1289 { .driver_data = MT_CLS_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001290 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
Benjamin Tissoires841cb152012-03-06 10:53:45 +01001291 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
Benjamin Tissoiresb1057122011-12-23 15:40:59 +01001292
Jiri Kosina9ed32692012-04-20 12:15:44 +02001293 /* Baanto multitouch devices */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001294 { .driver_data = MT_CLS_NSMU,
Jiri Kosina16b79bb2012-05-05 23:32:54 +02001295 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
Jiri Kosina9ed32692012-04-20 12:15:44 +02001296 USB_DEVICE_ID_BAANTO_MT_190W2) },
Benjamin Tissoires0fa9c612014-02-28 11:41:23 -05001297
Benjamin Tissoiresa841b622011-03-18 14:27:54 +01001298 /* Cando panels */
1299 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001300 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
Benjamin Tissoiresa841b622011-03-18 14:27:54 +01001301 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
Benjamin Tissoiresa841b622011-03-18 14:27:54 +01001302 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001303 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
Benjamin Tissoiresa841b622011-03-18 14:27:54 +01001304 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1305
Austin Zhang942fd422011-05-28 02:03:47 +08001306 /* Chunghwa Telecom touch panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001307 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001308 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
Austin Zhang942fd422011-05-28 02:03:47 +08001309 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1310
Yang Bo070f63b2015-07-20 09:40:28 -07001311 /* CJTouch panels */
1312 { .driver_data = MT_CLS_NSMU,
1313 MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
1314 USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) },
1315 { .driver_data = MT_CLS_NSMU,
1316 MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
1317 USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) },
1318
Benjamin Tissoires79603dc2011-05-19 14:18:14 +02001319 /* CVTouch panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001320 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001321 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
Benjamin Tissoires79603dc2011-05-19 14:18:14 +02001322 USB_DEVICE_ID_CVTOUCH_SCREEN) },
1323
Benjamin Tissoires22408282011-05-20 15:59:34 +02001324 /* eGalax devices (resistive) */
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001325 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001326 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001327 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1328 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001329 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001330 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
Benjamin Tissoires22408282011-05-20 15:59:34 +02001331
1332 /* eGalax devices (capacitive) */
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001333 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001334 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001335 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001336 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001337 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001338 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001339 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001340 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001341 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
Benjamin Tissoires2ce09df2012-03-06 17:57:02 +01001342 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001343 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoires2ce09df2012-03-06 17:57:02 +01001344 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
Benjamin Tissoires22408282011-05-20 15:59:34 +02001345 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001346 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoires22408282011-05-20 15:59:34 +02001347 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001348 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001349 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001350 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001351 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001352 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoires22408282011-05-20 15:59:34 +02001353 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
Benjamin Tissoires22408282011-05-20 15:59:34 +02001354 { .driver_data = MT_CLS_EGALAX,
1355 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001356 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001357 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001358 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001359 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001360 { .driver_data = MT_CLS_EGALAX,
Andy Shevchenkoaa672da2013-05-17 14:34:48 +03001361 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1362 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
1363 { .driver_data = MT_CLS_EGALAX,
1364 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1365 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
1366 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001367 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoires66f06122011-11-23 10:54:33 +01001368 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
1369 { .driver_data = MT_CLS_EGALAX,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001370 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Marek Vasutbb9ff212011-11-23 10:54:32 +01001371 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
Benjamin Tissoires1b723e82011-11-23 10:54:34 +01001372 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001373 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoiresfd1d1522012-03-06 10:53:47 +01001374 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1375 { .driver_data = MT_CLS_EGALAX_SERIAL,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001376 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Thierry Redingae01c9e2012-08-09 08:34:48 +02001377 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1378 { .driver_data = MT_CLS_EGALAX_SERIAL,
1379 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
Benjamin Tissoirese36f6902011-11-23 10:54:31 +01001380 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
Benjamin Tissoires22408282011-05-20 15:59:34 +02001381
Tomas Sokorai7c7606a2014-04-23 10:42:41 -04001382 /* Elitegroup panel */
1383 { .driver_data = MT_CLS_SERIAL,
1384 MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP,
1385 USB_DEVICE_ID_ELITEGROUP_05D8) },
1386
Henrik Rydberg77723e32012-09-07 19:37:40 +02001387 /* Flatfrog Panels */
1388 { .driver_data = MT_CLS_FLATFROG,
1389 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
1390 USB_DEVICE_ID_MULTITOUCH_3200) },
1391
Benjamin Tissoires3db187e2014-01-23 16:33:14 -05001392 /* FocalTech Panels */
1393 { .driver_data = MT_CLS_SERIAL,
1394 MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL,
1395 USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) },
1396
Benjamin Tissoires5572da02011-01-07 23:47:27 +01001397 /* GeneralTouch panel */
Xianhan Yuf5ff4e12012-09-28 10:18:59 +08001398 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001399 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
Benjamin Tissoires5572da02011-01-07 23:47:27 +01001400 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
Xianhan Yuf5ff4e12012-09-28 10:18:59 +08001401 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1402 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1403 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
Luosong7b226292013-10-02 11:20:00 +02001404 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
1405 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1406 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) },
1407 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1408 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1409 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) },
1410 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1411 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1412 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) },
1413 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1414 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1415 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) },
1416 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1417 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1418 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) },
Benjamin Tissoires5572da02011-01-07 23:47:27 +01001419
Andreas Nielsen4d5df5d2012-03-19 15:41:03 +01001420 /* Gametel game controller */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001421 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001422 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
Andreas Nielsen4d5df5d2012-03-19 15:41:03 +01001423 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1424
Benjamin Tissoiresee0fbd12011-05-19 14:18:15 +02001425 /* GoodTouch panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001426 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001427 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
Benjamin Tissoiresee0fbd12011-05-19 14:18:15 +02001428 USB_DEVICE_ID_GOODTOUCH_000f) },
1429
Benjamin Tissoires54580362011-11-29 13:13:12 +01001430 /* Hanvon panels */
1431 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001432 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
Benjamin Tissoires54580362011-11-29 13:13:12 +01001433 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1434
Austin Zhang4e61f0d2011-05-09 23:54:14 +08001435 /* Ilitek dual touch panel */
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_ILITEK,
Austin Zhang4e61f0d2011-05-09 23:54:14 +08001438 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1439
Benjamin Tissoiresf3287a92017-01-30 10:48:06 +01001440 /* LG Melfas panel */
1441 { .driver_data = MT_CLS_LG,
1442 HID_USB_DEVICE(USB_VENDOR_ID_LG,
1443 USB_DEVICE_ID_LG_MELFAS_MT) },
1444
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +02001445 /* MosArt panels */
1446 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001447 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +02001448 USB_DEVICE_ID_ASUS_T91MT)},
1449 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001450 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +02001451 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1452 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001453 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
Benjamin Tissoires4a6ee682011-04-22 11:51:48 +02001454 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1455
Denis Kovalev2258e862012-02-14 00:50:33 -08001456 /* Panasonic panels */
1457 { .driver_data = MT_CLS_PANASONIC,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001458 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
Denis Kovalev2258e862012-02-14 00:50:33 -08001459 USB_DEVICE_ID_PANABOARD_UBT780) },
1460 { .driver_data = MT_CLS_PANASONIC,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001461 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
Denis Kovalev2258e862012-02-14 00:50:33 -08001462 USB_DEVICE_ID_PANABOARD_UBT880) },
1463
Austin Hendrix4db703e2012-06-04 15:27:51 -07001464 /* Novatek Panel */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001465 { .driver_data = MT_CLS_NSMU,
Jiri Kosina4380d812012-06-06 16:28:33 +02001466 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
Austin Hendrix4db703e2012-06-04 15:27:51 -07001467 USB_DEVICE_ID_NOVATEK_PCT) },
1468
Benjamin Tissoiresa80e8032016-05-31 17:31:15 +02001469 /* Ntrig Panel */
1470 { .driver_data = MT_CLS_NSMU,
1471 HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
1472 USB_VENDOR_ID_NTRIG, 0x1b05) },
1473
Aaron Tianb7ea95f2011-12-15 11:09:06 +08001474 /* PixArt optical touch screen */
1475 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001476 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
Aaron Tianb7ea95f2011-12-15 11:09:06 +08001477 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1478 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001479 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
Aaron Tianb7ea95f2011-12-15 11:09:06 +08001480 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1481 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001482 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
Aaron Tianb7ea95f2011-12-15 11:09:06 +08001483 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1484
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001485 /* PixCir-based panels */
Benjamin Tissoires1e9cf352011-01-31 11:28:20 +01001486 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001487 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001488 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1489
Benjamin Tissoires5e7ea112011-11-29 13:13:10 +01001490 /* Quanta-based panels */
1491 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001492 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
Benjamin Tissoires5e7ea112011-11-29 13:13:10 +01001493 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
Forest Bonda6802e02013-10-21 12:38:49 -04001494
Benjamin Tissoires043b4032011-03-18 14:27:53 +01001495 /* Stantum panels */
Benjamin Tissoiresbf5af9b2011-05-19 14:18:18 +02001496 { .driver_data = MT_CLS_CONFIDENCE,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001497 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
Benjamin Tissoires043b4032011-03-18 14:27:53 +01001498 USB_DEVICE_ID_MTP_STM)},
Benjamin Tissoires043b4032011-03-18 14:27:53 +01001499
Benjamin Tissoires847672c2012-02-04 17:08:50 +01001500 /* TopSeed panels */
1501 { .driver_data = MT_CLS_TOPSEED,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001502 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
Benjamin Tissoires847672c2012-02-04 17:08:50 +01001503 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1504
Benjamin Tissoires5e74e562011-05-19 14:18:16 +02001505 /* Touch International panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001506 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001507 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
Benjamin Tissoires5e74e562011-05-19 14:18:16 +02001508 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1509
Benjamin Tissoires617b64f2011-05-19 14:18:17 +02001510 /* Unitec panels */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001511 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001512 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
Benjamin Tissoires617b64f2011-05-19 14:18:17 +02001513 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001514 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001515 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
Benjamin Tissoires617b64f2011-05-19 14:18:17 +02001516 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
KaiChung Chengbf9d1212013-11-21 10:04:30 +01001517
Mathieu Magnaudetda10bc22014-11-22 12:02:07 +01001518 /* VTL panels */
1519 { .driver_data = MT_CLS_VTL,
1520 MT_USB_DEVICE(USB_VENDOR_ID_VTL,
1521 USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) },
1522
KaiChung Chengbf9d1212013-11-21 10:04:30 +01001523 /* Wistron panels */
1524 { .driver_data = MT_CLS_NSMU,
1525 MT_USB_DEVICE(USB_VENDOR_ID_WISTRON,
1526 USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) },
1527
ice chienbc8a2a92011-07-15 16:58:06 +08001528 /* XAT */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001529 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001530 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
ice chienbc8a2a92011-07-15 16:58:06 +08001531 USB_DEVICE_ID_XAT_CSR) },
Benjamin Tissoires617b64f2011-05-19 14:18:17 +02001532
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001533 /* Xiroku */
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001534 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001535 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001536 USB_DEVICE_ID_XIROKU_SPX) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001537 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001538 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001539 USB_DEVICE_ID_XIROKU_MPX) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001540 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001541 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001542 USB_DEVICE_ID_XIROKU_CSR) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001543 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001544 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001545 USB_DEVICE_ID_XIROKU_SPX1) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001546 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001547 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001548 USB_DEVICE_ID_XIROKU_MPX1) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001549 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001550 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001551 USB_DEVICE_ID_XIROKU_CSR1) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001552 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001553 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001554 USB_DEVICE_ID_XIROKU_SPX2) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001555 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001556 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001557 USB_DEVICE_ID_XIROKU_MPX2) },
Benjamin Tissoiresdc3e1d82013-01-31 17:22:31 +01001558 { .driver_data = MT_CLS_NSMU,
Henrik Rydberg2c2110e2012-05-04 15:32:04 +02001559 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
Masatoshi Hoshikawa11576c62012-01-05 11:53:46 +09001560 USB_DEVICE_ID_XIROKU_CSR2) },
1561
Henrik Rydberg4fa3a582012-05-01 08:40:01 +02001562 /* Generic MT device */
1563 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +02001564
1565 /* Generic Win 8 certified MT device */
1566 { .driver_data = MT_CLS_WIN_8,
1567 HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8,
1568 HID_ANY_ID, HID_ANY_ID) },
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001569 { }
1570};
1571MODULE_DEVICE_TABLE(hid, mt_devices);
1572
1573static const struct hid_usage_id mt_grabbed_usages[] = {
1574 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1575 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1576};
1577
1578static struct hid_driver mt_driver = {
1579 .name = "hid-multitouch",
1580 .id_table = mt_devices,
1581 .probe = mt_probe,
1582 .remove = mt_remove,
1583 .input_mapping = mt_input_mapping,
1584 .input_mapped = mt_input_mapped,
Henrik Rydberg76f59022012-09-01 20:11:34 +02001585 .input_configured = mt_input_configured,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001586 .feature_mapping = mt_feature_mapping,
1587 .usage_table = mt_grabbed_usages,
1588 .event = mt_event,
Benjamin Tissoires55978fa2013-01-31 17:22:24 +01001589 .report = mt_report,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001590#ifdef CONFIG_PM
1591 .reset_resume = mt_reset_resume,
Scott Liudfeefd12012-08-15 17:21:55 +08001592 .resume = mt_resume,
Benjamin Tissoires5519cab2011-01-07 23:45:50 +01001593#endif
1594};
H Hartley Sweetenf4254582012-12-17 15:28:26 -07001595module_hid_driver(mt_driver);