15519cab4SBenjamin Tissoires /* 25519cab4SBenjamin Tissoires * HID driver for multitouch panels 35519cab4SBenjamin Tissoires * 4c2ef8f21SBenjamin Tissoires * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> 5b0a78681SBenjamin Tissoires * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com> 6c2ef8f21SBenjamin Tissoires * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France 7b0a78681SBenjamin Tissoires * Copyright (c) 2012-2013 Red Hat, Inc 85519cab4SBenjamin Tissoires * 94875ac11SRichard Nauber * This code is partly based on hid-egalax.c: 104875ac11SRichard Nauber * 114875ac11SRichard Nauber * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> 124875ac11SRichard Nauber * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> 134875ac11SRichard Nauber * Copyright (c) 2010 Canonical, Ltd. 144875ac11SRichard Nauber * 15f786bba4SBenjamin Tissoires * This code is partly based on hid-3m-pct.c: 16f786bba4SBenjamin Tissoires * 17f786bba4SBenjamin Tissoires * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> 18f786bba4SBenjamin Tissoires * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> 19f786bba4SBenjamin Tissoires * Copyright (c) 2010 Canonical, Ltd. 20f786bba4SBenjamin Tissoires * 215519cab4SBenjamin Tissoires */ 225519cab4SBenjamin Tissoires 235519cab4SBenjamin Tissoires /* 245519cab4SBenjamin Tissoires * This program is free software; you can redistribute it and/or modify it 255519cab4SBenjamin Tissoires * under the terms of the GNU General Public License as published by the Free 265519cab4SBenjamin Tissoires * Software Foundation; either version 2 of the License, or (at your option) 275519cab4SBenjamin Tissoires * any later version. 285519cab4SBenjamin Tissoires */ 295519cab4SBenjamin Tissoires 30b0a78681SBenjamin Tissoires /* 31f146d1c4SBenjamin Tissoires * This driver is regularly tested thanks to the test suite in hid-tools[1]. 32b0a78681SBenjamin Tissoires * Please run these regression tests before patching this module so that 33b0a78681SBenjamin Tissoires * your patch won't break existing known devices. 34b0a78681SBenjamin Tissoires * 35f146d1c4SBenjamin Tissoires * [1] https://gitlab.freedesktop.org/libevdev/hid-tools 36b0a78681SBenjamin Tissoires */ 37b0a78681SBenjamin Tissoires 385519cab4SBenjamin Tissoires #include <linux/device.h> 395519cab4SBenjamin Tissoires #include <linux/hid.h> 405519cab4SBenjamin Tissoires #include <linux/module.h> 415519cab4SBenjamin Tissoires #include <linux/slab.h> 425519cab4SBenjamin Tissoires #include <linux/input/mt.h> 4329cc309dSNicolas Boichat #include <linux/jiffies.h> 4449a5a827SBenjamin Tissoires #include <linux/string.h> 454f4001bcSBenjamin Tissoires #include <linux/timer.h> 465519cab4SBenjamin Tissoires 475519cab4SBenjamin Tissoires 485519cab4SBenjamin Tissoires MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); 49ef2fafb3SBenjamin Tissoires MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); 505519cab4SBenjamin Tissoires MODULE_DESCRIPTION("HID multitouch panels"); 515519cab4SBenjamin Tissoires MODULE_LICENSE("GPL"); 525519cab4SBenjamin Tissoires 535519cab4SBenjamin Tissoires #include "hid-ids.h" 545519cab4SBenjamin Tissoires 555519cab4SBenjamin Tissoires /* quirks to control the device */ 56fd911896SBenjamin Tissoires #define MT_QUIRK_NOT_SEEN_MEANS_UP BIT(0) 57fd911896SBenjamin Tissoires #define MT_QUIRK_SLOT_IS_CONTACTID BIT(1) 58fd911896SBenjamin Tissoires #define MT_QUIRK_CYPRESS BIT(2) 59fd911896SBenjamin Tissoires #define MT_QUIRK_SLOT_IS_CONTACTNUMBER BIT(3) 60fd911896SBenjamin Tissoires #define MT_QUIRK_ALWAYS_VALID BIT(4) 61fd911896SBenjamin Tissoires #define MT_QUIRK_VALID_IS_INRANGE BIT(5) 62fd911896SBenjamin Tissoires #define MT_QUIRK_VALID_IS_CONFIDENCE BIT(6) 63fd911896SBenjamin Tissoires #define MT_QUIRK_CONFIDENCE BIT(7) 64fd911896SBenjamin Tissoires #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE BIT(8) 65fd911896SBenjamin Tissoires #define MT_QUIRK_NO_AREA BIT(9) 66fd911896SBenjamin Tissoires #define MT_QUIRK_IGNORE_DUPLICATES BIT(10) 67fd911896SBenjamin Tissoires #define MT_QUIRK_HOVERING BIT(11) 68fd911896SBenjamin Tissoires #define MT_QUIRK_CONTACT_CNT_ACCURATE BIT(12) 69fd911896SBenjamin Tissoires #define MT_QUIRK_FORCE_GET_FEATURE BIT(13) 70fd911896SBenjamin Tissoires #define MT_QUIRK_FIX_CONST_CONTACT_ID BIT(14) 71fd911896SBenjamin Tissoires #define MT_QUIRK_TOUCH_SIZE_SCALING BIT(15) 724f4001bcSBenjamin Tissoires #define MT_QUIRK_STICKY_FINGERS BIT(16) 73957b8dffSJoão Paulo Rechi Vita #define MT_QUIRK_ASUS_CUSTOM_UP BIT(17) 74d9c57a70SBenjamin Tissoires #define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18) 755519cab4SBenjamin Tissoires 769abebedbSAndrew Duggan #define MT_INPUTMODE_TOUCHSCREEN 0x02 779abebedbSAndrew Duggan #define MT_INPUTMODE_TOUCHPAD 0x03 789abebedbSAndrew Duggan 792c6e0277SSeth Forshee #define MT_BUTTONTYPE_CLICKPAD 0 802c6e0277SSeth Forshee 8102946f4bSBenjamin Tissoires enum latency_mode { 8202946f4bSBenjamin Tissoires HID_LATENCY_NORMAL = 0, 8302946f4bSBenjamin Tissoires HID_LATENCY_HIGH = 1, 8402946f4bSBenjamin Tissoires }; 8502946f4bSBenjamin Tissoires 864f4001bcSBenjamin Tissoires #define MT_IO_FLAGS_RUNNING 0 8796098274SBenjamin Tissoires #define MT_IO_FLAGS_ACTIVE_SLOTS 1 8896098274SBenjamin Tissoires #define MT_IO_FLAGS_PENDING_SLOTS 2 894f4001bcSBenjamin Tissoires 9001eaac7eSBenjamin Tissoires static const bool mtrue = true; /* default for true */ 9101eaac7eSBenjamin Tissoires static const bool mfalse; /* default for false */ 9201eaac7eSBenjamin Tissoires static const __s32 mzero; /* default for 0 */ 9301eaac7eSBenjamin Tissoires 9401eaac7eSBenjamin Tissoires #define DEFAULT_TRUE ((void *)&mtrue) 9501eaac7eSBenjamin Tissoires #define DEFAULT_FALSE ((void *)&mfalse) 9601eaac7eSBenjamin Tissoires #define DEFAULT_ZERO ((void *)&mzero) 9701eaac7eSBenjamin Tissoires 9801eaac7eSBenjamin Tissoires struct mt_usages { 9901eaac7eSBenjamin Tissoires struct list_head list; 10001eaac7eSBenjamin Tissoires __s32 *x, *y, *cx, *cy, *p, *w, *h, *a; 10101eaac7eSBenjamin Tissoires __s32 *contactid; /* the device ContactID assigned to this slot */ 10201eaac7eSBenjamin Tissoires bool *tip_state; /* is the touch valid? */ 10301eaac7eSBenjamin Tissoires bool *inrange_state; /* is the finger in proximity of the sensor? */ 10401eaac7eSBenjamin Tissoires bool *confidence_state; /* is the touch made by a finger? */ 1055519cab4SBenjamin Tissoires }; 1065519cab4SBenjamin Tissoires 107f146d1c4SBenjamin Tissoires struct mt_application { 108f146d1c4SBenjamin Tissoires struct list_head list; 109f146d1c4SBenjamin Tissoires unsigned int application; 11001eaac7eSBenjamin Tissoires struct list_head mt_usages; /* mt usages list */ 1113ceb3826SBenjamin Tissoires 1123ceb3826SBenjamin Tissoires __s32 quirks; 1133ceb3826SBenjamin Tissoires 11401eaac7eSBenjamin Tissoires __s32 *scantime; /* scantime reported */ 11501eaac7eSBenjamin Tissoires __s32 scantime_logical_max; /* max value for raw scantime */ 116f146d1c4SBenjamin Tissoires 11701eaac7eSBenjamin Tissoires __s32 *raw_cc; /* contact count in the report */ 118f146d1c4SBenjamin Tissoires int left_button_state; /* left button state */ 119f146d1c4SBenjamin Tissoires unsigned int mt_flags; /* flags to pass to input-mt */ 120f146d1c4SBenjamin Tissoires 121*28a042a3SDmitry Torokhov unsigned long *pending_palm_slots; /* slots where we reported palm 122*28a042a3SDmitry Torokhov * and need to release */ 123*28a042a3SDmitry Torokhov 124f146d1c4SBenjamin Tissoires __u8 num_received; /* how many contacts we received */ 125f146d1c4SBenjamin Tissoires __u8 num_expected; /* expected last contact index */ 126f146d1c4SBenjamin Tissoires __u8 buttons_count; /* number of physical buttons per touchpad */ 127f146d1c4SBenjamin Tissoires __u8 touches_by_report; /* how many touches are present in one report: 128f146d1c4SBenjamin Tissoires * 1 means we should use a serial protocol 129f146d1c4SBenjamin Tissoires * > 1 means hybrid (multitouch) protocol 130f146d1c4SBenjamin Tissoires */ 131f146d1c4SBenjamin Tissoires 132f146d1c4SBenjamin Tissoires __s32 dev_time; /* the scan time provided by the device */ 133f146d1c4SBenjamin Tissoires unsigned long jiffies; /* the frame's jiffies */ 134f146d1c4SBenjamin Tissoires int timestamp; /* the timestamp to be sent */ 135f146d1c4SBenjamin Tissoires int prev_scantime; /* scantime reported previously */ 136f146d1c4SBenjamin Tissoires 137f146d1c4SBenjamin Tissoires bool have_contact_count; 138f146d1c4SBenjamin Tissoires }; 139f146d1c4SBenjamin Tissoires 1405519cab4SBenjamin Tissoires struct mt_class { 1412d93666eSBenjamin Tissoires __s32 name; /* MT_CLS */ 1425519cab4SBenjamin Tissoires __s32 quirks; 1435519cab4SBenjamin Tissoires __s32 sn_move; /* Signal/noise ratio for move events */ 144f786bba4SBenjamin Tissoires __s32 sn_width; /* Signal/noise ratio for width events */ 145f786bba4SBenjamin Tissoires __s32 sn_height; /* Signal/noise ratio for height events */ 1465519cab4SBenjamin Tissoires __s32 sn_pressure; /* Signal/noise ratio for pressure events */ 1475519cab4SBenjamin Tissoires __u8 maxcontacts; 148c2ef8f21SBenjamin Tissoires bool is_indirect; /* true for touchpads */ 1496aef704eSBenjamin Tissoires bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ 1505519cab4SBenjamin Tissoires }; 1515519cab4SBenjamin Tissoires 1528dfe14b3SBenjamin Tissoires struct mt_report_data { 1538dfe14b3SBenjamin Tissoires struct list_head list; 1548dfe14b3SBenjamin Tissoires struct hid_report *report; 1558dfe14b3SBenjamin Tissoires struct mt_application *application; 1568dfe14b3SBenjamin Tissoires bool is_mt_collection; 1578dfe14b3SBenjamin Tissoires }; 1588dfe14b3SBenjamin Tissoires 1595519cab4SBenjamin Tissoires struct mt_device { 160eec29e3dSBenjamin Tissoires struct mt_class mtclass; /* our mt device class */ 1614f4001bcSBenjamin Tissoires struct timer_list release_timer; /* to release sticky fingers */ 1620ee32774SKees Cook struct hid_device *hdev; /* hid_device we're attached to */ 1634f4001bcSBenjamin Tissoires unsigned long mt_io_flags; /* mt flags (MT_IO_FLAGS_*) */ 1649abebedbSAndrew Duggan __u8 inputmode_value; /* InputMode HID feature value */ 1655519cab4SBenjamin Tissoires __u8 maxcontacts; 1662c6e0277SSeth Forshee bool is_buttonpad; /* is this device a button pad? */ 16776f5902aSHenrik Rydberg bool serial_maybe; /* need to check for serial protocol */ 168f146d1c4SBenjamin Tissoires 169f146d1c4SBenjamin Tissoires struct list_head applications; 1708dfe14b3SBenjamin Tissoires struct list_head reports; 1715519cab4SBenjamin Tissoires }; 1725519cab4SBenjamin Tissoires 173f146d1c4SBenjamin Tissoires static void mt_post_parse_default_settings(struct mt_device *td, 174f146d1c4SBenjamin Tissoires struct mt_application *app); 175f146d1c4SBenjamin Tissoires static void mt_post_parse(struct mt_device *td, struct mt_application *app); 176a69c5f8bSBenjamin Tissoires 1775519cab4SBenjamin Tissoires /* classes of device behavior */ 17822408283SBenjamin Tissoires #define MT_CLS_DEFAULT 0x0001 17922408283SBenjamin Tissoires 180a062cc5aSStephane Chatty #define MT_CLS_SERIAL 0x0002 181a062cc5aSStephane Chatty #define MT_CLS_CONFIDENCE 0x0003 1825e7ea11fSBenjamin Tissoires #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 1835e7ea11fSBenjamin Tissoires #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 1845e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 1855e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 1860fa9c616SBenjamin Tissoires /* reserved 0x0008 */ 187b7ea95ffSAaron Tian #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 188dc3e1d80SBenjamin Tissoires #define MT_CLS_NSMU 0x000a 1890fa9c616SBenjamin Tissoires /* reserved 0x0010 */ 1900fa9c616SBenjamin Tissoires /* reserved 0x0011 */ 191f961bd35SBenjamin Tissoires #define MT_CLS_WIN_8 0x0012 1926aef704eSBenjamin Tissoires #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 193504c932cSMasaki Ota #define MT_CLS_WIN_8_DUAL 0x0014 19422408283SBenjamin Tissoires 19522408283SBenjamin Tissoires /* vendor specific classes */ 19622408283SBenjamin Tissoires #define MT_CLS_3M 0x0101 1970fa9c616SBenjamin Tissoires /* reserved 0x0102 */ 19822408283SBenjamin Tissoires #define MT_CLS_EGALAX 0x0103 1991b723e8dSBenjamin Tissoires #define MT_CLS_EGALAX_SERIAL 0x0104 200847672cdSBenjamin Tissoires #define MT_CLS_TOPSEED 0x0105 2012258e863SDenis Kovalev #define MT_CLS_PANASONIC 0x0106 20277723e3bSHenrik Rydberg #define MT_CLS_FLATFROG 0x0107 203cdcd3ac4SJiri Kosina #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 204cdcd3ac4SJiri Kosina #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 205f3287a99SBenjamin Tissoires #define MT_CLS_LG 0x010a 206957b8dffSJoão Paulo Rechi Vita #define MT_CLS_ASUS 0x010b 207da10bc25SMathieu Magnaudet #define MT_CLS_VTL 0x0110 2080e82232cSWei-Ning Huang #define MT_CLS_GOOGLE 0x0111 209843e475fSBenjamin Tissoires #define MT_CLS_RAZER_BLADE_STEALTH 0x0112 2105519cab4SBenjamin Tissoires 2119498f954SBenjamin Tissoires #define MT_DEFAULT_MAXCONTACT 10 212afbcb04cSBenjamin Tissoires #define MT_MAX_MAXCONTACT 250 2139498f954SBenjamin Tissoires 21429cc309dSNicolas Boichat /* 21529cc309dSNicolas Boichat * Resync device and local timestamps after that many microseconds without 21629cc309dSNicolas Boichat * receiving data. 21729cc309dSNicolas Boichat */ 21829cc309dSNicolas Boichat #define MAX_TIMESTAMP_INTERVAL 1000000 21929cc309dSNicolas Boichat 2202c2110e9SHenrik Rydberg #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) 2212c2110e9SHenrik Rydberg #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) 2222c2110e9SHenrik Rydberg 2235519cab4SBenjamin Tissoires /* 2245519cab4SBenjamin Tissoires * these device-dependent functions determine what slot corresponds 2255519cab4SBenjamin Tissoires * to a valid contact that was just read. 2265519cab4SBenjamin Tissoires */ 2275519cab4SBenjamin Tissoires 22801eaac7eSBenjamin Tissoires static int cypress_compute_slot(struct mt_application *application, 22901eaac7eSBenjamin Tissoires struct mt_usages *slot) 230a3b5e577SBenjamin Tissoires { 23101eaac7eSBenjamin Tissoires if (*slot->contactid != 0 || application->num_received == 0) 23201eaac7eSBenjamin Tissoires return *slot->contactid; 233a3b5e577SBenjamin Tissoires else 234a3b5e577SBenjamin Tissoires return -1; 235a3b5e577SBenjamin Tissoires } 236a3b5e577SBenjamin Tissoires 237cf6d15d7SBenjamin Tissoires static const struct mt_class mt_classes[] = { 2382d93666eSBenjamin Tissoires { .name = MT_CLS_DEFAULT, 239dc3e1d80SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 240dc3e1d80SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE }, 241dc3e1d80SBenjamin Tissoires { .name = MT_CLS_NSMU, 2429498f954SBenjamin Tissoires .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, 243a062cc5aSStephane Chatty { .name = MT_CLS_SERIAL, 244a062cc5aSStephane Chatty .quirks = MT_QUIRK_ALWAYS_VALID}, 24522408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE, 24622408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, 2475e7ea11fSBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_CONTACT_ID, 2485e7ea11fSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 2495e7ea11fSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID }, 25022408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_MINUS_ONE, 25122408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 25222408283SBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, 2531e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTID, 2542d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 2552d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID, 2562d93666eSBenjamin Tissoires .maxcontacts = 2 }, 2571e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 2582d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 2592d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTNUMBER, 2602d93666eSBenjamin Tissoires .maxcontacts = 2 }, 261b7ea95ffSAaron Tian { .name = MT_CLS_INRANGE_CONTACTNUMBER, 262b7ea95ffSAaron Tian .quirks = MT_QUIRK_VALID_IS_INRANGE | 263b7ea95ffSAaron Tian MT_QUIRK_SLOT_IS_CONTACTNUMBER }, 264f961bd35SBenjamin Tissoires { .name = MT_CLS_WIN_8, 265f961bd35SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 266f961bd35SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 267f961bd35SBenjamin Tissoires MT_QUIRK_HOVERING | 2684f4001bcSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 269d9c57a70SBenjamin Tissoires MT_QUIRK_STICKY_FINGERS | 270d9c57a70SBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS }, 2716aef704eSBenjamin Tissoires { .name = MT_CLS_EXPORT_ALL_INPUTS, 2726aef704eSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 2736aef704eSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE, 2746aef704eSBenjamin Tissoires .export_all_inputs = true }, 275504c932cSMasaki Ota { .name = MT_CLS_WIN_8_DUAL, 276504c932cSMasaki Ota .quirks = MT_QUIRK_ALWAYS_VALID | 277504c932cSMasaki Ota MT_QUIRK_IGNORE_DUPLICATES | 278504c932cSMasaki Ota MT_QUIRK_HOVERING | 279d9c57a70SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 280d9c57a70SBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS, 281504c932cSMasaki Ota .export_all_inputs = true }, 28222408283SBenjamin Tissoires 28322408283SBenjamin Tissoires /* 28422408283SBenjamin Tissoires * vendor specific classes 28522408283SBenjamin Tissoires */ 28622408283SBenjamin Tissoires { .name = MT_CLS_3M, 28722408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 288e9d0a26dSHungNien Chen MT_QUIRK_SLOT_IS_CONTACTID | 289e9d0a26dSHungNien Chen MT_QUIRK_TOUCH_SIZE_SCALING, 29022408283SBenjamin Tissoires .sn_move = 2048, 29122408283SBenjamin Tissoires .sn_width = 128, 292c5d40be5SHenrik Rydberg .sn_height = 128, 293c5d40be5SHenrik Rydberg .maxcontacts = 60, 294c5d40be5SHenrik Rydberg }, 2954875ac11SRichard Nauber { .name = MT_CLS_EGALAX, 2964875ac11SRichard Nauber .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 2972261bb9fSBenjamin Tissoires MT_QUIRK_VALID_IS_INRANGE, 2984875ac11SRichard Nauber .sn_move = 4096, 2994875ac11SRichard Nauber .sn_pressure = 32, 3004875ac11SRichard Nauber }, 3011b723e8dSBenjamin Tissoires { .name = MT_CLS_EGALAX_SERIAL, 3021b723e8dSBenjamin Tissoires .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 3031b723e8dSBenjamin Tissoires MT_QUIRK_ALWAYS_VALID, 3042d93666eSBenjamin Tissoires .sn_move = 4096, 3052d93666eSBenjamin Tissoires .sn_pressure = 32, 3062d93666eSBenjamin Tissoires }, 307847672cdSBenjamin Tissoires { .name = MT_CLS_TOPSEED, 308847672cdSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID, 309847672cdSBenjamin Tissoires .is_indirect = true, 310847672cdSBenjamin Tissoires .maxcontacts = 2, 311847672cdSBenjamin Tissoires }, 3122258e863SDenis Kovalev { .name = MT_CLS_PANASONIC, 3132258e863SDenis Kovalev .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, 3142258e863SDenis Kovalev .maxcontacts = 4 }, 315f5ff4e1eSXianhan Yu { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, 316f5ff4e1eSXianhan Yu .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 317f5ff4e1eSXianhan Yu MT_QUIRK_VALID_IS_INRANGE | 3187b226292SLuosong MT_QUIRK_SLOT_IS_CONTACTID, 319f5ff4e1eSXianhan Yu .maxcontacts = 2 320f5ff4e1eSXianhan Yu }, 321f5ff4e1eSXianhan Yu { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 322f5ff4e1eSXianhan Yu .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 3237b226292SLuosong MT_QUIRK_SLOT_IS_CONTACTID 324f5ff4e1eSXianhan Yu }, 325043b403aSBenjamin Tissoires 32677723e3bSHenrik Rydberg { .name = MT_CLS_FLATFROG, 32777723e3bSHenrik Rydberg .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 32877723e3bSHenrik Rydberg MT_QUIRK_NO_AREA, 32977723e3bSHenrik Rydberg .sn_move = 2048, 33077723e3bSHenrik Rydberg .maxcontacts = 40, 33177723e3bSHenrik Rydberg }, 332f3287a99SBenjamin Tissoires { .name = MT_CLS_LG, 333f3287a99SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 334f3287a99SBenjamin Tissoires MT_QUIRK_FIX_CONST_CONTACT_ID | 335f3287a99SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 336f3287a99SBenjamin Tissoires MT_QUIRK_HOVERING | 337f3287a99SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE }, 338957b8dffSJoão Paulo Rechi Vita { .name = MT_CLS_ASUS, 339957b8dffSJoão Paulo Rechi Vita .quirks = MT_QUIRK_ALWAYS_VALID | 340957b8dffSJoão Paulo Rechi Vita MT_QUIRK_CONTACT_CNT_ACCURATE | 341957b8dffSJoão Paulo Rechi Vita MT_QUIRK_ASUS_CUSTOM_UP }, 342da10bc25SMathieu Magnaudet { .name = MT_CLS_VTL, 343da10bc25SMathieu Magnaudet .quirks = MT_QUIRK_ALWAYS_VALID | 344da10bc25SMathieu Magnaudet MT_QUIRK_CONTACT_CNT_ACCURATE | 345da10bc25SMathieu Magnaudet MT_QUIRK_FORCE_GET_FEATURE, 346da10bc25SMathieu Magnaudet }, 3470e82232cSWei-Ning Huang { .name = MT_CLS_GOOGLE, 3480e82232cSWei-Ning Huang .quirks = MT_QUIRK_ALWAYS_VALID | 3490e82232cSWei-Ning Huang MT_QUIRK_CONTACT_CNT_ACCURATE | 3500e82232cSWei-Ning Huang MT_QUIRK_SLOT_IS_CONTACTID | 3510e82232cSWei-Ning Huang MT_QUIRK_HOVERING 3520e82232cSWei-Ning Huang }, 353843e475fSBenjamin Tissoires { .name = MT_CLS_RAZER_BLADE_STEALTH, 354843e475fSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 355843e475fSBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 356843e475fSBenjamin Tissoires MT_QUIRK_HOVERING | 357843e475fSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 358843e475fSBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS, 359843e475fSBenjamin Tissoires }, 3602d93666eSBenjamin Tissoires { } 3615519cab4SBenjamin Tissoires }; 3625519cab4SBenjamin Tissoires 363eec29e3dSBenjamin Tissoires static ssize_t mt_show_quirks(struct device *dev, 364eec29e3dSBenjamin Tissoires struct device_attribute *attr, 365eec29e3dSBenjamin Tissoires char *buf) 366eec29e3dSBenjamin Tissoires { 367ee79a8f8SGeliang Tang struct hid_device *hdev = to_hid_device(dev); 368eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 369eec29e3dSBenjamin Tissoires 370eec29e3dSBenjamin Tissoires return sprintf(buf, "%u\n", td->mtclass.quirks); 371eec29e3dSBenjamin Tissoires } 372eec29e3dSBenjamin Tissoires 373eec29e3dSBenjamin Tissoires static ssize_t mt_set_quirks(struct device *dev, 374eec29e3dSBenjamin Tissoires struct device_attribute *attr, 375eec29e3dSBenjamin Tissoires const char *buf, size_t count) 376eec29e3dSBenjamin Tissoires { 377ee79a8f8SGeliang Tang struct hid_device *hdev = to_hid_device(dev); 378eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 379f146d1c4SBenjamin Tissoires struct mt_application *application; 380eec29e3dSBenjamin Tissoires 381eec29e3dSBenjamin Tissoires unsigned long val; 382eec29e3dSBenjamin Tissoires 383eec29e3dSBenjamin Tissoires if (kstrtoul(buf, 0, &val)) 384eec29e3dSBenjamin Tissoires return -EINVAL; 385eec29e3dSBenjamin Tissoires 386eec29e3dSBenjamin Tissoires td->mtclass.quirks = val; 387eec29e3dSBenjamin Tissoires 388f146d1c4SBenjamin Tissoires list_for_each_entry(application, &td->applications, list) { 3893ceb3826SBenjamin Tissoires application->quirks = val; 3903ceb3826SBenjamin Tissoires if (!application->have_contact_count) 3913ceb3826SBenjamin Tissoires application->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 392f146d1c4SBenjamin Tissoires } 393f146d1c4SBenjamin Tissoires 394eec29e3dSBenjamin Tissoires return count; 395eec29e3dSBenjamin Tissoires } 396eec29e3dSBenjamin Tissoires 397eec29e3dSBenjamin Tissoires static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); 398eec29e3dSBenjamin Tissoires 399eec29e3dSBenjamin Tissoires static struct attribute *sysfs_attrs[] = { 400eec29e3dSBenjamin Tissoires &dev_attr_quirks.attr, 401eec29e3dSBenjamin Tissoires NULL 402eec29e3dSBenjamin Tissoires }; 403eec29e3dSBenjamin Tissoires 4049182fb98SArvind Yadav static const struct attribute_group mt_attribute_group = { 405eec29e3dSBenjamin Tissoires .attrs = sysfs_attrs 406eec29e3dSBenjamin Tissoires }; 407eec29e3dSBenjamin Tissoires 4086d4f5440SMika Westerberg static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) 4096d4f5440SMika Westerberg { 4103064a03bSAaron Ma int ret; 4113064a03bSAaron Ma u32 size = hid_report_len(report); 4126d4f5440SMika Westerberg u8 *buf; 4136d4f5440SMika Westerberg 4146d4f5440SMika Westerberg /* 415b897f6dbSBenjamin Tissoires * Do not fetch the feature report if the device has been explicitly 416b897f6dbSBenjamin Tissoires * marked as non-capable. 4176d4f5440SMika Westerberg */ 418adaabbf4SBenjamin Tissoires if (hdev->quirks & HID_QUIRK_NO_INIT_REPORTS) 4196d4f5440SMika Westerberg return; 4206d4f5440SMika Westerberg 4216d4f5440SMika Westerberg buf = hid_alloc_report_buf(report, GFP_KERNEL); 4226d4f5440SMika Westerberg if (!buf) 4236d4f5440SMika Westerberg return; 4246d4f5440SMika Westerberg 4256d4f5440SMika Westerberg ret = hid_hw_raw_request(hdev, report->id, buf, size, 4266d4f5440SMika Westerberg HID_FEATURE_REPORT, HID_REQ_GET_REPORT); 4276d4f5440SMika Westerberg if (ret < 0) { 4286d4f5440SMika Westerberg dev_warn(&hdev->dev, "failed to fetch feature %d\n", 4296d4f5440SMika Westerberg report->id); 4306d4f5440SMika Westerberg } else { 4316d4f5440SMika Westerberg ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, 4326d4f5440SMika Westerberg size, 0); 4336d4f5440SMika Westerberg if (ret) 4346d4f5440SMika Westerberg dev_warn(&hdev->dev, "failed to report feature\n"); 4356d4f5440SMika Westerberg } 4366d4f5440SMika Westerberg 4376d4f5440SMika Westerberg kfree(buf); 4386d4f5440SMika Westerberg } 4396d4f5440SMika Westerberg 440f635bd11SHenrik Rydberg static void mt_feature_mapping(struct hid_device *hdev, 4415519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage) 4425519cab4SBenjamin Tissoires { 4435519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 4449498f954SBenjamin Tissoires 4459498f954SBenjamin Tissoires switch (usage->hid) { 4469498f954SBenjamin Tissoires case HID_DG_CONTACTMAX: 4476d4f5440SMika Westerberg mt_get_feature(hdev, field->report); 4486d4f5440SMika Westerberg 4499498f954SBenjamin Tissoires td->maxcontacts = field->value[0]; 450afbcb04cSBenjamin Tissoires if (!td->maxcontacts && 451afbcb04cSBenjamin Tissoires field->logical_maximum <= MT_MAX_MAXCONTACT) 452afbcb04cSBenjamin Tissoires td->maxcontacts = field->logical_maximum; 453eec29e3dSBenjamin Tissoires if (td->mtclass.maxcontacts) 4549498f954SBenjamin Tissoires /* check if the maxcontacts is given by the class */ 455eec29e3dSBenjamin Tissoires td->maxcontacts = td->mtclass.maxcontacts; 4569498f954SBenjamin Tissoires 4579498f954SBenjamin Tissoires break; 4582c6e0277SSeth Forshee case HID_DG_BUTTONTYPE: 4592c6e0277SSeth Forshee if (usage->usage_index >= field->report_count) { 4602c6e0277SSeth Forshee dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); 4612c6e0277SSeth Forshee break; 4622c6e0277SSeth Forshee } 4632c6e0277SSeth Forshee 4646d4f5440SMika Westerberg mt_get_feature(hdev, field->report); 4652c6e0277SSeth Forshee if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) 4662c6e0277SSeth Forshee td->is_buttonpad = true; 4672c6e0277SSeth Forshee 4682c6e0277SSeth Forshee break; 46945c5c682SBenjamin Tissoires case 0xff0000c5: 47045c5c682SBenjamin Tissoires /* Retrieve the Win8 blob once to enable some devices */ 47145c5c682SBenjamin Tissoires if (usage->usage_index == 0) 47245c5c682SBenjamin Tissoires mt_get_feature(hdev, field->report); 47345c5c682SBenjamin Tissoires break; 4745519cab4SBenjamin Tissoires } 4755519cab4SBenjamin Tissoires } 4765519cab4SBenjamin Tissoires 4775519cab4SBenjamin Tissoires static void set_abs(struct input_dev *input, unsigned int code, 4785519cab4SBenjamin Tissoires struct hid_field *field, int snratio) 4795519cab4SBenjamin Tissoires { 4805519cab4SBenjamin Tissoires int fmin = field->logical_minimum; 4815519cab4SBenjamin Tissoires int fmax = field->logical_maximum; 4825519cab4SBenjamin Tissoires int fuzz = snratio ? (fmax - fmin) / snratio : 0; 4835519cab4SBenjamin Tissoires input_set_abs_params(input, code, fmin, fmax, fuzz, 0); 48437cf6e6fSBenjamin Tissoires input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); 4855519cab4SBenjamin Tissoires } 4865519cab4SBenjamin Tissoires 48701eaac7eSBenjamin Tissoires static struct mt_usages *mt_allocate_usage(struct hid_device *hdev, 48801eaac7eSBenjamin Tissoires struct mt_application *application) 48901eaac7eSBenjamin Tissoires { 49001eaac7eSBenjamin Tissoires struct mt_usages *usage; 49101eaac7eSBenjamin Tissoires 49201eaac7eSBenjamin Tissoires usage = devm_kzalloc(&hdev->dev, sizeof(*usage), GFP_KERNEL); 49301eaac7eSBenjamin Tissoires if (!usage) 49401eaac7eSBenjamin Tissoires return NULL; 49501eaac7eSBenjamin Tissoires 49601eaac7eSBenjamin Tissoires /* set some defaults so we do not need to check for null pointers */ 49701eaac7eSBenjamin Tissoires usage->x = DEFAULT_ZERO; 49801eaac7eSBenjamin Tissoires usage->y = DEFAULT_ZERO; 49901eaac7eSBenjamin Tissoires usage->cx = DEFAULT_ZERO; 50001eaac7eSBenjamin Tissoires usage->cy = DEFAULT_ZERO; 50101eaac7eSBenjamin Tissoires usage->p = DEFAULT_ZERO; 50201eaac7eSBenjamin Tissoires usage->w = DEFAULT_ZERO; 50301eaac7eSBenjamin Tissoires usage->h = DEFAULT_ZERO; 50401eaac7eSBenjamin Tissoires usage->a = DEFAULT_ZERO; 50501eaac7eSBenjamin Tissoires usage->contactid = DEFAULT_ZERO; 50601eaac7eSBenjamin Tissoires usage->tip_state = DEFAULT_FALSE; 50701eaac7eSBenjamin Tissoires usage->inrange_state = DEFAULT_FALSE; 50801eaac7eSBenjamin Tissoires usage->confidence_state = DEFAULT_TRUE; 50901eaac7eSBenjamin Tissoires 51001eaac7eSBenjamin Tissoires list_add_tail(&usage->list, &application->mt_usages); 51101eaac7eSBenjamin Tissoires 51201eaac7eSBenjamin Tissoires return usage; 51301eaac7eSBenjamin Tissoires } 51401eaac7eSBenjamin Tissoires 515f146d1c4SBenjamin Tissoires static struct mt_application *mt_allocate_application(struct mt_device *td, 516f146d1c4SBenjamin Tissoires unsigned int application) 517f146d1c4SBenjamin Tissoires { 518f146d1c4SBenjamin Tissoires struct mt_application *mt_application; 519f146d1c4SBenjamin Tissoires 520f146d1c4SBenjamin Tissoires mt_application = devm_kzalloc(&td->hdev->dev, sizeof(*mt_application), 521f146d1c4SBenjamin Tissoires GFP_KERNEL); 522f146d1c4SBenjamin Tissoires if (!mt_application) 523f146d1c4SBenjamin Tissoires return NULL; 524f146d1c4SBenjamin Tissoires 525f146d1c4SBenjamin Tissoires mt_application->application = application; 52601eaac7eSBenjamin Tissoires INIT_LIST_HEAD(&mt_application->mt_usages); 527f146d1c4SBenjamin Tissoires 528f146d1c4SBenjamin Tissoires if (application == HID_DG_TOUCHSCREEN) 529f146d1c4SBenjamin Tissoires mt_application->mt_flags |= INPUT_MT_DIRECT; 530f146d1c4SBenjamin Tissoires 531f146d1c4SBenjamin Tissoires /* 532f146d1c4SBenjamin Tissoires * Model touchscreens providing buttons as touchpads. 533f146d1c4SBenjamin Tissoires */ 534f146d1c4SBenjamin Tissoires if (application == HID_DG_TOUCHPAD) { 535f146d1c4SBenjamin Tissoires mt_application->mt_flags |= INPUT_MT_POINTER; 536f146d1c4SBenjamin Tissoires td->inputmode_value = MT_INPUTMODE_TOUCHPAD; 537f146d1c4SBenjamin Tissoires } 538f146d1c4SBenjamin Tissoires 53901eaac7eSBenjamin Tissoires mt_application->scantime = DEFAULT_ZERO; 54001eaac7eSBenjamin Tissoires mt_application->raw_cc = DEFAULT_ZERO; 5413ceb3826SBenjamin Tissoires mt_application->quirks = td->mtclass.quirks; 542f146d1c4SBenjamin Tissoires 543f146d1c4SBenjamin Tissoires list_add_tail(&mt_application->list, &td->applications); 544f146d1c4SBenjamin Tissoires 545f146d1c4SBenjamin Tissoires return mt_application; 546f146d1c4SBenjamin Tissoires } 547f146d1c4SBenjamin Tissoires 548f146d1c4SBenjamin Tissoires static struct mt_application *mt_find_application(struct mt_device *td, 549f146d1c4SBenjamin Tissoires unsigned int application) 550f146d1c4SBenjamin Tissoires { 551f146d1c4SBenjamin Tissoires struct mt_application *tmp, *mt_application = NULL; 552f146d1c4SBenjamin Tissoires 553f146d1c4SBenjamin Tissoires list_for_each_entry(tmp, &td->applications, list) { 554f146d1c4SBenjamin Tissoires if (application == tmp->application) { 555f146d1c4SBenjamin Tissoires mt_application = tmp; 556f146d1c4SBenjamin Tissoires break; 557f146d1c4SBenjamin Tissoires } 558f146d1c4SBenjamin Tissoires } 559f146d1c4SBenjamin Tissoires 560f146d1c4SBenjamin Tissoires if (!mt_application) 561f146d1c4SBenjamin Tissoires mt_application = mt_allocate_application(td, application); 562f146d1c4SBenjamin Tissoires 563f146d1c4SBenjamin Tissoires return mt_application; 564f146d1c4SBenjamin Tissoires } 565f146d1c4SBenjamin Tissoires 5668dfe14b3SBenjamin Tissoires static struct mt_report_data *mt_allocate_report_data(struct mt_device *td, 5678dfe14b3SBenjamin Tissoires struct hid_report *report) 5688dfe14b3SBenjamin Tissoires { 5698dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 5708dfe14b3SBenjamin Tissoires struct hid_field *field; 5718dfe14b3SBenjamin Tissoires int r, n; 5728dfe14b3SBenjamin Tissoires 5738dfe14b3SBenjamin Tissoires rdata = devm_kzalloc(&td->hdev->dev, sizeof(*rdata), GFP_KERNEL); 5748dfe14b3SBenjamin Tissoires if (!rdata) 5758dfe14b3SBenjamin Tissoires return NULL; 5768dfe14b3SBenjamin Tissoires 5778dfe14b3SBenjamin Tissoires rdata->report = report; 5788dfe14b3SBenjamin Tissoires rdata->application = mt_find_application(td, report->application); 5798dfe14b3SBenjamin Tissoires 5808dfe14b3SBenjamin Tissoires if (!rdata->application) { 5818dfe14b3SBenjamin Tissoires devm_kfree(&td->hdev->dev, rdata); 5828dfe14b3SBenjamin Tissoires return NULL; 5838dfe14b3SBenjamin Tissoires } 5848dfe14b3SBenjamin Tissoires 5858dfe14b3SBenjamin Tissoires for (r = 0; r < report->maxfield; r++) { 5868dfe14b3SBenjamin Tissoires field = report->field[r]; 5878dfe14b3SBenjamin Tissoires 5888dfe14b3SBenjamin Tissoires if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) 5898dfe14b3SBenjamin Tissoires continue; 5908dfe14b3SBenjamin Tissoires 5918dfe14b3SBenjamin Tissoires for (n = 0; n < field->report_count; n++) { 5928dfe14b3SBenjamin Tissoires if (field->usage[n].hid == HID_DG_CONTACTID) 5938dfe14b3SBenjamin Tissoires rdata->is_mt_collection = true; 5948dfe14b3SBenjamin Tissoires } 5958dfe14b3SBenjamin Tissoires } 5968dfe14b3SBenjamin Tissoires 5978dfe14b3SBenjamin Tissoires list_add_tail(&rdata->list, &td->reports); 5988dfe14b3SBenjamin Tissoires 5998dfe14b3SBenjamin Tissoires return rdata; 6008dfe14b3SBenjamin Tissoires } 6018dfe14b3SBenjamin Tissoires 6028dfe14b3SBenjamin Tissoires static struct mt_report_data *mt_find_report_data(struct mt_device *td, 6038dfe14b3SBenjamin Tissoires struct hid_report *report) 6048dfe14b3SBenjamin Tissoires { 6058dfe14b3SBenjamin Tissoires struct mt_report_data *tmp, *rdata = NULL; 6068dfe14b3SBenjamin Tissoires 6078dfe14b3SBenjamin Tissoires list_for_each_entry(tmp, &td->reports, list) { 6088dfe14b3SBenjamin Tissoires if (report == tmp->report) { 6098dfe14b3SBenjamin Tissoires rdata = tmp; 6108dfe14b3SBenjamin Tissoires break; 6118dfe14b3SBenjamin Tissoires } 6128dfe14b3SBenjamin Tissoires } 6138dfe14b3SBenjamin Tissoires 6148dfe14b3SBenjamin Tissoires if (!rdata) 6158dfe14b3SBenjamin Tissoires rdata = mt_allocate_report_data(td, report); 6168dfe14b3SBenjamin Tissoires 6178dfe14b3SBenjamin Tissoires return rdata; 6188dfe14b3SBenjamin Tissoires } 6198dfe14b3SBenjamin Tissoires 62001eaac7eSBenjamin Tissoires static void mt_store_field(struct hid_device *hdev, 62101eaac7eSBenjamin Tissoires struct mt_application *application, 62201eaac7eSBenjamin Tissoires __s32 *value, 62301eaac7eSBenjamin Tissoires size_t offset) 624ed9d5c96SBenjamin Tissoires { 62501eaac7eSBenjamin Tissoires struct mt_usages *usage; 62601eaac7eSBenjamin Tissoires __s32 **target; 6273ac36d15SBenjamin Tissoires 62801eaac7eSBenjamin Tissoires if (list_empty(&application->mt_usages)) 62901eaac7eSBenjamin Tissoires usage = mt_allocate_usage(hdev, application); 63001eaac7eSBenjamin Tissoires else 63101eaac7eSBenjamin Tissoires usage = list_last_entry(&application->mt_usages, 63201eaac7eSBenjamin Tissoires struct mt_usages, 63301eaac7eSBenjamin Tissoires list); 63401eaac7eSBenjamin Tissoires 63501eaac7eSBenjamin Tissoires if (!usage) 6363ac36d15SBenjamin Tissoires return; 6373ac36d15SBenjamin Tissoires 63801eaac7eSBenjamin Tissoires target = (__s32 **)((char *)usage + offset); 63901eaac7eSBenjamin Tissoires 64001eaac7eSBenjamin Tissoires /* the value has already been filled, create a new slot */ 64101eaac7eSBenjamin Tissoires if (*target != DEFAULT_TRUE && 64201eaac7eSBenjamin Tissoires *target != DEFAULT_FALSE && 64301eaac7eSBenjamin Tissoires *target != DEFAULT_ZERO) { 64401eaac7eSBenjamin Tissoires usage = mt_allocate_usage(hdev, application); 64501eaac7eSBenjamin Tissoires if (!usage) 64601eaac7eSBenjamin Tissoires return; 64701eaac7eSBenjamin Tissoires 64801eaac7eSBenjamin Tissoires target = (__s32 **)((char *)usage + offset); 649ed9d5c96SBenjamin Tissoires } 650ed9d5c96SBenjamin Tissoires 65101eaac7eSBenjamin Tissoires *target = value; 65201eaac7eSBenjamin Tissoires } 65301eaac7eSBenjamin Tissoires 65401eaac7eSBenjamin Tissoires #define MT_STORE_FIELD(__name) \ 65501eaac7eSBenjamin Tissoires mt_store_field(hdev, app, \ 65601eaac7eSBenjamin Tissoires &field->value[usage->usage_index], \ 65701eaac7eSBenjamin Tissoires offsetof(struct mt_usages, __name)) 65801eaac7eSBenjamin Tissoires 659a69c5f8bSBenjamin Tissoires static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, 6605519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 661f146d1c4SBenjamin Tissoires unsigned long **bit, int *max, struct mt_application *app) 6625519cab4SBenjamin Tissoires { 6635519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 664eec29e3dSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 665c2ef8f21SBenjamin Tissoires int code; 666349fd670SBenjamin Tissoires struct hid_usage *prev_usage = NULL; 6674875ac11SRichard Nauber 66876f5902aSHenrik Rydberg /* 66976f5902aSHenrik Rydberg * Model touchscreens providing buttons as touchpads. 670c2ef8f21SBenjamin Tissoires */ 671ba6b055eSBenjamin Tissoires if (field->application == HID_DG_TOUCHSCREEN && 672ba6b055eSBenjamin Tissoires (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { 673f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_POINTER; 6749abebedbSAndrew Duggan td->inputmode_value = MT_INPUTMODE_TOUCHPAD; 6759abebedbSAndrew Duggan } 676c2ef8f21SBenjamin Tissoires 677015fdaa9SBenjamin Tissoires /* count the buttons on touchpads */ 678015fdaa9SBenjamin Tissoires if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) 679f146d1c4SBenjamin Tissoires app->buttons_count++; 680015fdaa9SBenjamin Tissoires 681349fd670SBenjamin Tissoires if (usage->usage_index) 682349fd670SBenjamin Tissoires prev_usage = &field->usage[usage->usage_index - 1]; 683349fd670SBenjamin Tissoires 6845519cab4SBenjamin Tissoires switch (usage->hid & HID_USAGE_PAGE) { 6855519cab4SBenjamin Tissoires 6865519cab4SBenjamin Tissoires case HID_UP_GENDESK: 6875519cab4SBenjamin Tissoires switch (usage->hid) { 6885519cab4SBenjamin Tissoires case HID_GD_X: 68901eaac7eSBenjamin Tissoires if (prev_usage && (prev_usage->hid == usage->hid)) { 690f146d1c4SBenjamin Tissoires code = ABS_MT_TOOL_X; 69101eaac7eSBenjamin Tissoires MT_STORE_FIELD(cx); 69201eaac7eSBenjamin Tissoires } else { 693f146d1c4SBenjamin Tissoires code = ABS_MT_POSITION_X; 69401eaac7eSBenjamin Tissoires MT_STORE_FIELD(x); 69501eaac7eSBenjamin Tissoires } 696349fd670SBenjamin Tissoires 697f146d1c4SBenjamin Tissoires set_abs(hi->input, code, field, cls->sn_move); 69801eaac7eSBenjamin Tissoires 699ba6b055eSBenjamin Tissoires /* 700ba6b055eSBenjamin Tissoires * A system multi-axis that exports X and Y has a high 701ba6b055eSBenjamin Tissoires * chance of being used directly on a surface 702ba6b055eSBenjamin Tissoires */ 703ba6b055eSBenjamin Tissoires if (field->application == HID_GD_SYSTEM_MULTIAXIS) { 704ba6b055eSBenjamin Tissoires __set_bit(INPUT_PROP_DIRECT, 705ba6b055eSBenjamin Tissoires hi->input->propbit); 706ba6b055eSBenjamin Tissoires input_set_abs_params(hi->input, 707ba6b055eSBenjamin Tissoires ABS_MT_TOOL_TYPE, 708ba6b055eSBenjamin Tissoires MT_TOOL_DIAL, 709ba6b055eSBenjamin Tissoires MT_TOOL_DIAL, 0, 0); 710ba6b055eSBenjamin Tissoires } 711ba6b055eSBenjamin Tissoires 7125519cab4SBenjamin Tissoires return 1; 7135519cab4SBenjamin Tissoires case HID_GD_Y: 71401eaac7eSBenjamin Tissoires if (prev_usage && (prev_usage->hid == usage->hid)) { 715f146d1c4SBenjamin Tissoires code = ABS_MT_TOOL_Y; 71601eaac7eSBenjamin Tissoires MT_STORE_FIELD(cy); 71701eaac7eSBenjamin Tissoires } else { 718f146d1c4SBenjamin Tissoires code = ABS_MT_POSITION_Y; 71901eaac7eSBenjamin Tissoires MT_STORE_FIELD(y); 72001eaac7eSBenjamin Tissoires } 721349fd670SBenjamin Tissoires 722f146d1c4SBenjamin Tissoires set_abs(hi->input, code, field, cls->sn_move); 72301eaac7eSBenjamin Tissoires 7245519cab4SBenjamin Tissoires return 1; 7255519cab4SBenjamin Tissoires } 7265519cab4SBenjamin Tissoires return 0; 7275519cab4SBenjamin Tissoires 7285519cab4SBenjamin Tissoires case HID_UP_DIGITIZER: 7295519cab4SBenjamin Tissoires switch (usage->hid) { 7305519cab4SBenjamin Tissoires case HID_DG_INRANGE: 7313ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_HOVERING) { 7329b3bb9b8SBenjamin Tissoires input_set_abs_params(hi->input, 7339b3bb9b8SBenjamin Tissoires ABS_MT_DISTANCE, 0, 1, 0, 0); 7349b3bb9b8SBenjamin Tissoires } 73501eaac7eSBenjamin Tissoires MT_STORE_FIELD(inrange_state); 7365519cab4SBenjamin Tissoires return 1; 7375519cab4SBenjamin Tissoires case HID_DG_CONFIDENCE: 738504c932cSMasaki Ota if ((cls->name == MT_CLS_WIN_8 || 739504c932cSMasaki Ota cls->name == MT_CLS_WIN_8_DUAL) && 740f9024374SDmitry Torokhov (field->application == HID_DG_TOUCHPAD || 741f9024374SDmitry Torokhov field->application == HID_DG_TOUCHSCREEN)) 7423ceb3826SBenjamin Tissoires app->quirks |= MT_QUIRK_CONFIDENCE; 7439152c7d7SDmitry Torokhov 7449152c7d7SDmitry Torokhov if (app->quirks & MT_QUIRK_CONFIDENCE) 7459152c7d7SDmitry Torokhov input_set_abs_params(hi->input, 7469152c7d7SDmitry Torokhov ABS_MT_TOOL_TYPE, 7479152c7d7SDmitry Torokhov MT_TOOL_FINGER, 7489152c7d7SDmitry Torokhov MT_TOOL_PALM, 0, 0); 7499152c7d7SDmitry Torokhov 75001eaac7eSBenjamin Tissoires MT_STORE_FIELD(confidence_state); 7515519cab4SBenjamin Tissoires return 1; 7525519cab4SBenjamin Tissoires case HID_DG_TIPSWITCH: 753ba6b055eSBenjamin Tissoires if (field->application != HID_GD_SYSTEM_MULTIAXIS) 754ba6b055eSBenjamin Tissoires input_set_capability(hi->input, 755ba6b055eSBenjamin Tissoires EV_KEY, BTN_TOUCH); 75601eaac7eSBenjamin Tissoires MT_STORE_FIELD(tip_state); 7575519cab4SBenjamin Tissoires return 1; 7585519cab4SBenjamin Tissoires case HID_DG_CONTACTID: 75901eaac7eSBenjamin Tissoires MT_STORE_FIELD(contactid); 760f146d1c4SBenjamin Tissoires app->touches_by_report++; 7615519cab4SBenjamin Tissoires return 1; 7625519cab4SBenjamin Tissoires case HID_DG_WIDTH: 7633ceb3826SBenjamin Tissoires if (!(app->quirks & MT_QUIRK_NO_AREA)) 764f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, 765f786bba4SBenjamin Tissoires cls->sn_width); 76601eaac7eSBenjamin Tissoires MT_STORE_FIELD(w); 7675519cab4SBenjamin Tissoires return 1; 7685519cab4SBenjamin Tissoires case HID_DG_HEIGHT: 7693ceb3826SBenjamin Tissoires if (!(app->quirks & MT_QUIRK_NO_AREA)) { 770f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, 771f786bba4SBenjamin Tissoires cls->sn_height); 77200720277SWei-Ning Huang 77300720277SWei-Ning Huang /* 77400720277SWei-Ning Huang * Only set ABS_MT_ORIENTATION if it is not 77500720277SWei-Ning Huang * already set by the HID_DG_AZIMUTH usage. 77600720277SWei-Ning Huang */ 77700720277SWei-Ning Huang if (!test_bit(ABS_MT_ORIENTATION, 77800720277SWei-Ning Huang hi->input->absbit)) 7791e648a13SBenjamin Tissoires input_set_abs_params(hi->input, 7801e648a13SBenjamin Tissoires ABS_MT_ORIENTATION, 0, 1, 0, 0); 78177723e3bSHenrik Rydberg } 78201eaac7eSBenjamin Tissoires MT_STORE_FIELD(h); 7835519cab4SBenjamin Tissoires return 1; 7845519cab4SBenjamin Tissoires case HID_DG_TIPPRESSURE: 7855519cab4SBenjamin Tissoires set_abs(hi->input, ABS_MT_PRESSURE, field, 7865519cab4SBenjamin Tissoires cls->sn_pressure); 78701eaac7eSBenjamin Tissoires MT_STORE_FIELD(p); 7885519cab4SBenjamin Tissoires return 1; 78929cc309dSNicolas Boichat case HID_DG_SCANTIME: 79029cc309dSNicolas Boichat input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); 79101eaac7eSBenjamin Tissoires app->scantime = &field->value[usage->usage_index]; 79201eaac7eSBenjamin Tissoires app->scantime_logical_max = field->logical_maximum; 79329cc309dSNicolas Boichat return 1; 7945519cab4SBenjamin Tissoires case HID_DG_CONTACTCOUNT: 79501eaac7eSBenjamin Tissoires app->have_contact_count = true; 79601eaac7eSBenjamin Tissoires app->raw_cc = &field->value[usage->usage_index]; 7975519cab4SBenjamin Tissoires return 1; 79800720277SWei-Ning Huang case HID_DG_AZIMUTH: 79900720277SWei-Ning Huang /* 80000720277SWei-Ning Huang * Azimuth has the range of [0, MAX) representing a full 80100720277SWei-Ning Huang * revolution. Set ABS_MT_ORIENTATION to a quarter of 80200720277SWei-Ning Huang * MAX according the definition of ABS_MT_ORIENTATION 80300720277SWei-Ning Huang */ 80400720277SWei-Ning Huang input_set_abs_params(hi->input, ABS_MT_ORIENTATION, 80500720277SWei-Ning Huang -field->logical_maximum / 4, 80600720277SWei-Ning Huang field->logical_maximum / 4, 80700720277SWei-Ning Huang cls->sn_move ? 80800720277SWei-Ning Huang field->logical_maximum / cls->sn_move : 0, 0); 80901eaac7eSBenjamin Tissoires MT_STORE_FIELD(a); 81000720277SWei-Ning Huang return 1; 8115519cab4SBenjamin Tissoires case HID_DG_CONTACTMAX: 81201eaac7eSBenjamin Tissoires /* contact max are global to the report */ 8135519cab4SBenjamin Tissoires return -1; 814c2ef8f21SBenjamin Tissoires case HID_DG_TOUCH: 815c2ef8f21SBenjamin Tissoires /* Legacy devices use TIPSWITCH and not TOUCH. 816c2ef8f21SBenjamin Tissoires * Let's just ignore this field. */ 817c2ef8f21SBenjamin Tissoires return -1; 81865b258e9SAlan Cox } 8195519cab4SBenjamin Tissoires /* let hid-input decide for the others */ 8205519cab4SBenjamin Tissoires return 0; 8215519cab4SBenjamin Tissoires 822c2ef8f21SBenjamin Tissoires case HID_UP_BUTTON: 823c2ef8f21SBenjamin Tissoires code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); 824594312b8SBenjamin Tissoires /* 825594312b8SBenjamin Tissoires * MS PTP spec says that external buttons left and right have 826594312b8SBenjamin Tissoires * usages 2 and 3. 827594312b8SBenjamin Tissoires */ 8283ceb3826SBenjamin Tissoires if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && 829594312b8SBenjamin Tissoires field->application == HID_DG_TOUCHPAD && 830594312b8SBenjamin Tissoires (usage->hid & HID_USAGE) > 1) 831594312b8SBenjamin Tissoires code--; 832ba6b055eSBenjamin Tissoires 833ba6b055eSBenjamin Tissoires if (field->application == HID_GD_SYSTEM_MULTIAXIS) 834ba6b055eSBenjamin Tissoires code = BTN_0 + ((usage->hid - 1) & HID_USAGE); 835ba6b055eSBenjamin Tissoires 836c2ef8f21SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, EV_KEY, code); 837c2ef8f21SBenjamin Tissoires input_set_capability(hi->input, EV_KEY, code); 838c2ef8f21SBenjamin Tissoires return 1; 839c2ef8f21SBenjamin Tissoires 8405519cab4SBenjamin Tissoires case 0xff000000: 8415519cab4SBenjamin Tissoires /* we do not want to map these: no input-oriented meaning */ 8425519cab4SBenjamin Tissoires return -1; 8435519cab4SBenjamin Tissoires } 8445519cab4SBenjamin Tissoires 8455519cab4SBenjamin Tissoires return 0; 8465519cab4SBenjamin Tissoires } 8475519cab4SBenjamin Tissoires 848f146d1c4SBenjamin Tissoires static int mt_compute_slot(struct mt_device *td, struct mt_application *app, 84901eaac7eSBenjamin Tissoires struct mt_usages *slot, 850f146d1c4SBenjamin Tissoires struct input_dev *input) 8515519cab4SBenjamin Tissoires { 8523ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 8535519cab4SBenjamin Tissoires 8542d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) 85501eaac7eSBenjamin Tissoires return *slot->contactid; 8565519cab4SBenjamin Tissoires 8572d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_CYPRESS) 85801eaac7eSBenjamin Tissoires return cypress_compute_slot(app, slot); 859a3b5e577SBenjamin Tissoires 8602d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) 861f146d1c4SBenjamin Tissoires return app->num_received; 8625572da08SBenjamin Tissoires 8634a6ee685SBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) 86401eaac7eSBenjamin Tissoires return *slot->contactid - 1; 8654a6ee685SBenjamin Tissoires 86601eaac7eSBenjamin Tissoires return input_mt_get_slot_by_key(input, *slot->contactid); 8673e1b5015SHenrik Rydberg } 8683e1b5015SHenrik Rydberg 869*28a042a3SDmitry Torokhov static void mt_release_pending_palms(struct mt_device *td, 870*28a042a3SDmitry Torokhov struct mt_application *app, 871*28a042a3SDmitry Torokhov struct input_dev *input) 872*28a042a3SDmitry Torokhov { 873*28a042a3SDmitry Torokhov int slotnum; 874*28a042a3SDmitry Torokhov bool need_sync = false; 875*28a042a3SDmitry Torokhov 876*28a042a3SDmitry Torokhov for_each_set_bit(slotnum, app->pending_palm_slots, td->maxcontacts) { 877*28a042a3SDmitry Torokhov clear_bit(slotnum, app->pending_palm_slots); 878*28a042a3SDmitry Torokhov 879*28a042a3SDmitry Torokhov input_mt_slot(input, slotnum); 880*28a042a3SDmitry Torokhov input_mt_report_slot_state(input, MT_TOOL_PALM, false); 881*28a042a3SDmitry Torokhov 882*28a042a3SDmitry Torokhov need_sync = true; 883*28a042a3SDmitry Torokhov } 884*28a042a3SDmitry Torokhov 885*28a042a3SDmitry Torokhov if (need_sync) { 886*28a042a3SDmitry Torokhov input_mt_sync_frame(input); 887*28a042a3SDmitry Torokhov input_sync(input); 888*28a042a3SDmitry Torokhov } 889*28a042a3SDmitry Torokhov } 890*28a042a3SDmitry Torokhov 8913e1b5015SHenrik Rydberg /* 8923e1b5015SHenrik Rydberg * this function is called when a whole packet has been received and processed, 8933e1b5015SHenrik Rydberg * so that it can decide what to send to the input layer. 8943e1b5015SHenrik Rydberg */ 895f146d1c4SBenjamin Tissoires static void mt_sync_frame(struct mt_device *td, struct mt_application *app, 896f146d1c4SBenjamin Tissoires struct input_dev *input) 8973e1b5015SHenrik Rydberg { 8983ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) 899f146d1c4SBenjamin Tissoires input_event(input, EV_KEY, BTN_LEFT, app->left_button_state); 900127e71bdSHans de Goede 90176f5902aSHenrik Rydberg input_mt_sync_frame(input); 902f146d1c4SBenjamin Tissoires input_event(input, EV_MSC, MSC_TIMESTAMP, app->timestamp); 9035519cab4SBenjamin Tissoires input_sync(input); 904*28a042a3SDmitry Torokhov 905*28a042a3SDmitry Torokhov mt_release_pending_palms(td, app, input); 906*28a042a3SDmitry Torokhov 907f146d1c4SBenjamin Tissoires app->num_received = 0; 908f146d1c4SBenjamin Tissoires app->left_button_state = 0; 909f146d1c4SBenjamin Tissoires 91096098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) 91196098274SBenjamin Tissoires set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); 91296098274SBenjamin Tissoires else 91396098274SBenjamin Tissoires clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); 91496098274SBenjamin Tissoires clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); 9155519cab4SBenjamin Tissoires } 9165519cab4SBenjamin Tissoires 91701eaac7eSBenjamin Tissoires static int mt_compute_timestamp(struct mt_application *app, __s32 value) 91829cc309dSNicolas Boichat { 919f146d1c4SBenjamin Tissoires long delta = value - app->prev_scantime; 920f146d1c4SBenjamin Tissoires unsigned long jdelta = jiffies_to_usecs(jiffies - app->jiffies); 92129cc309dSNicolas Boichat 922f146d1c4SBenjamin Tissoires app->jiffies = jiffies; 92329cc309dSNicolas Boichat 92429cc309dSNicolas Boichat if (delta < 0) 92501eaac7eSBenjamin Tissoires delta += app->scantime_logical_max; 92629cc309dSNicolas Boichat 92729cc309dSNicolas Boichat /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ 92829cc309dSNicolas Boichat delta *= 100; 92929cc309dSNicolas Boichat 93029cc309dSNicolas Boichat if (jdelta > MAX_TIMESTAMP_INTERVAL) 93129cc309dSNicolas Boichat /* No data received for a while, resync the timestamp. */ 93229cc309dSNicolas Boichat return 0; 93329cc309dSNicolas Boichat else 934f146d1c4SBenjamin Tissoires return app->timestamp + delta; 93529cc309dSNicolas Boichat } 93629cc309dSNicolas Boichat 937a69c5f8bSBenjamin Tissoires static int mt_touch_event(struct hid_device *hid, struct hid_field *field, 9385519cab4SBenjamin Tissoires struct hid_usage *usage, __s32 value) 9395519cab4SBenjamin Tissoires { 94055978fa9SBenjamin Tissoires /* we will handle the hidinput part later, now remains hiddev */ 94155978fa9SBenjamin Tissoires if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) 94255978fa9SBenjamin Tissoires hid->hiddev_hid_event(hid, field, usage, value); 94355978fa9SBenjamin Tissoires 94455978fa9SBenjamin Tissoires return 1; 94555978fa9SBenjamin Tissoires } 94655978fa9SBenjamin Tissoires 94701eaac7eSBenjamin Tissoires static int mt_process_slot(struct mt_device *td, struct input_dev *input, 94801eaac7eSBenjamin Tissoires struct mt_application *app, 94901eaac7eSBenjamin Tissoires struct mt_usages *slot) 95055978fa9SBenjamin Tissoires { 95101eaac7eSBenjamin Tissoires struct input_mt *mt = input->mt; 9523ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 95301eaac7eSBenjamin Tissoires bool valid = true; 95401eaac7eSBenjamin Tissoires bool confidence_state = true; 95501eaac7eSBenjamin Tissoires bool inrange_state = false; 95601eaac7eSBenjamin Tissoires int active; 95701eaac7eSBenjamin Tissoires int slotnum; 958ba6b055eSBenjamin Tissoires int tool = MT_TOOL_FINGER; 9595519cab4SBenjamin Tissoires 96001eaac7eSBenjamin Tissoires if (!slot) 96101eaac7eSBenjamin Tissoires return -EINVAL; 96201eaac7eSBenjamin Tissoires 96301eaac7eSBenjamin Tissoires if ((quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && 96401eaac7eSBenjamin Tissoires app->num_received >= app->num_expected) 96501eaac7eSBenjamin Tissoires return -EAGAIN; 96601eaac7eSBenjamin Tissoires 96701eaac7eSBenjamin Tissoires if (!(quirks & MT_QUIRK_ALWAYS_VALID)) { 96820b60e6dSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_INRANGE) 96901eaac7eSBenjamin Tissoires valid = *slot->inrange_state; 9702d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 97101eaac7eSBenjamin Tissoires valid = *slot->tip_state; 9722d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) 97301eaac7eSBenjamin Tissoires valid = *slot->confidence_state; 97401eaac7eSBenjamin Tissoires 97501eaac7eSBenjamin Tissoires if (!valid) 97601eaac7eSBenjamin Tissoires return 0; 97701eaac7eSBenjamin Tissoires } 97801eaac7eSBenjamin Tissoires 97901eaac7eSBenjamin Tissoires slotnum = mt_compute_slot(td, app, slot, input); 98001eaac7eSBenjamin Tissoires if (slotnum < 0 || slotnum >= td->maxcontacts) 98101eaac7eSBenjamin Tissoires return 0; 98201eaac7eSBenjamin Tissoires 98301eaac7eSBenjamin Tissoires if ((quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { 98401eaac7eSBenjamin Tissoires struct input_mt_slot *i_slot = &mt->slots[slotnum]; 98501eaac7eSBenjamin Tissoires 98601eaac7eSBenjamin Tissoires if (input_mt_is_active(i_slot) && 98701eaac7eSBenjamin Tissoires input_mt_is_used(mt, i_slot)) 98801eaac7eSBenjamin Tissoires return -EAGAIN; 98901eaac7eSBenjamin Tissoires } 99001eaac7eSBenjamin Tissoires 99101eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_CONFIDENCE) 99201eaac7eSBenjamin Tissoires confidence_state = *slot->confidence_state; 99301eaac7eSBenjamin Tissoires 99401eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_HOVERING) 99501eaac7eSBenjamin Tissoires inrange_state = *slot->inrange_state; 99601eaac7eSBenjamin Tissoires 9979152c7d7SDmitry Torokhov active = *slot->tip_state || inrange_state; 99801eaac7eSBenjamin Tissoires 999ba6b055eSBenjamin Tissoires if (app->application == HID_GD_SYSTEM_MULTIAXIS) 1000ba6b055eSBenjamin Tissoires tool = MT_TOOL_DIAL; 1001*28a042a3SDmitry Torokhov else if (unlikely(!confidence_state)) { 10029152c7d7SDmitry Torokhov tool = MT_TOOL_PALM; 1003*28a042a3SDmitry Torokhov if (!active && 1004*28a042a3SDmitry Torokhov input_mt_is_active(&mt->slots[slotnum])) { 1005*28a042a3SDmitry Torokhov /* 1006*28a042a3SDmitry Torokhov * The non-confidence was reported for 1007*28a042a3SDmitry Torokhov * previously valid contact that is also no 1008*28a042a3SDmitry Torokhov * longer valid. We can't simply report 1009*28a042a3SDmitry Torokhov * lift-off as userspace will not be aware 1010*28a042a3SDmitry Torokhov * of non-confidence, so we need to split 1011*28a042a3SDmitry Torokhov * it into 2 events: active MT_TOOL_PALM 1012*28a042a3SDmitry Torokhov * and a separate liftoff. 1013*28a042a3SDmitry Torokhov */ 1014*28a042a3SDmitry Torokhov active = true; 1015*28a042a3SDmitry Torokhov set_bit(slotnum, app->pending_palm_slots); 1016*28a042a3SDmitry Torokhov } 1017*28a042a3SDmitry Torokhov } 1018ba6b055eSBenjamin Tissoires 101901eaac7eSBenjamin Tissoires input_mt_slot(input, slotnum); 1020ba6b055eSBenjamin Tissoires input_mt_report_slot_state(input, tool, active); 102101eaac7eSBenjamin Tissoires if (active) { 102201eaac7eSBenjamin Tissoires /* this finger is in proximity of the sensor */ 102301eaac7eSBenjamin Tissoires int wide = (*slot->w > *slot->h); 102401eaac7eSBenjamin Tissoires int major = max(*slot->w, *slot->h); 102501eaac7eSBenjamin Tissoires int minor = min(*slot->w, *slot->h); 102601eaac7eSBenjamin Tissoires int orientation = wide; 102701eaac7eSBenjamin Tissoires int max_azimuth; 102801eaac7eSBenjamin Tissoires int azimuth; 102901eaac7eSBenjamin Tissoires 103001eaac7eSBenjamin Tissoires if (slot->a != DEFAULT_ZERO) { 103100720277SWei-Ning Huang /* 103200720277SWei-Ning Huang * Azimuth is counter-clockwise and ranges from [0, MAX) 103300720277SWei-Ning Huang * (a full revolution). Convert it to clockwise ranging 103400720277SWei-Ning Huang * [-MAX/2, MAX/2]. 103500720277SWei-Ning Huang * 103600720277SWei-Ning Huang * Note that ABS_MT_ORIENTATION require us to report 103700720277SWei-Ning Huang * the limit of [-MAX/4, MAX/4], but the value can go 103800720277SWei-Ning Huang * out of range to [-MAX/2, MAX/2] to report an upside 103900720277SWei-Ning Huang * down ellipsis. 104000720277SWei-Ning Huang */ 104101eaac7eSBenjamin Tissoires azimuth = *slot->a; 104201eaac7eSBenjamin Tissoires max_azimuth = input_abs_get_max(input, 104301eaac7eSBenjamin Tissoires ABS_MT_ORIENTATION); 104401eaac7eSBenjamin Tissoires if (azimuth > max_azimuth * 2) 104501eaac7eSBenjamin Tissoires azimuth -= max_azimuth * 4; 104601eaac7eSBenjamin Tissoires orientation = -azimuth; 104701eaac7eSBenjamin Tissoires } 10485519cab4SBenjamin Tissoires 10499152c7d7SDmitry Torokhov if (quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { 105001eaac7eSBenjamin Tissoires /* 105101eaac7eSBenjamin Tissoires * divided by two to match visual scale of touch 105201eaac7eSBenjamin Tissoires * for devices with this quirk 105301eaac7eSBenjamin Tissoires */ 105401eaac7eSBenjamin Tissoires major = major >> 1; 105501eaac7eSBenjamin Tissoires minor = minor >> 1; 105601eaac7eSBenjamin Tissoires } 105701eaac7eSBenjamin Tissoires 105801eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_X, *slot->x); 105901eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_Y, *slot->y); 106001eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOOL_X, *slot->cx); 106101eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOOL_Y, *slot->cy); 106201eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_DISTANCE, !*slot->tip_state); 106301eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_ORIENTATION, orientation); 106401eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_PRESSURE, *slot->p); 106501eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); 106601eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); 106701eaac7eSBenjamin Tissoires 106801eaac7eSBenjamin Tissoires set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); 106901eaac7eSBenjamin Tissoires } 107001eaac7eSBenjamin Tissoires 107101eaac7eSBenjamin Tissoires return 0; 107201eaac7eSBenjamin Tissoires } 107301eaac7eSBenjamin Tissoires 107401eaac7eSBenjamin Tissoires static void mt_process_mt_event(struct hid_device *hid, 107501eaac7eSBenjamin Tissoires struct mt_application *app, 107601eaac7eSBenjamin Tissoires struct hid_field *field, 107701eaac7eSBenjamin Tissoires struct hid_usage *usage, 107801eaac7eSBenjamin Tissoires __s32 value, 107901eaac7eSBenjamin Tissoires bool first_packet) 108001eaac7eSBenjamin Tissoires { 108101eaac7eSBenjamin Tissoires __s32 quirks = app->quirks; 108201eaac7eSBenjamin Tissoires struct input_dev *input = field->hidinput->input; 108301eaac7eSBenjamin Tissoires 108401eaac7eSBenjamin Tissoires if (!usage->type || !(hid->claimed & HID_CLAIMED_INPUT)) 108501eaac7eSBenjamin Tissoires return; 108601eaac7eSBenjamin Tissoires 108701eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_WIN8_PTP_BUTTONS) { 108801eaac7eSBenjamin Tissoires 108955746d28SHans de Goede /* 109055746d28SHans de Goede * For Win8 PTP touchpads we should only look at 109101eaac7eSBenjamin Tissoires * non finger/touch events in the first_packet of a 109201eaac7eSBenjamin Tissoires * (possible) multi-packet frame. 109355746d28SHans de Goede */ 109401eaac7eSBenjamin Tissoires if (!first_packet) 109555746d28SHans de Goede return; 109655746d28SHans de Goede 1097127e71bdSHans de Goede /* 1098127e71bdSHans de Goede * For Win8 PTP touchpads we map both the clickpad click 1099127e71bdSHans de Goede * and any "external" left buttons to BTN_LEFT if a 1100127e71bdSHans de Goede * device claims to have both we need to report 1 for 1101127e71bdSHans de Goede * BTN_LEFT if either is pressed, so we or all values 1102127e71bdSHans de Goede * together and report the result in mt_sync_frame(). 1103127e71bdSHans de Goede */ 110401eaac7eSBenjamin Tissoires if (usage->type == EV_KEY && usage->code == BTN_LEFT) { 1105f146d1c4SBenjamin Tissoires app->left_button_state |= value; 1106127e71bdSHans de Goede return; 1107127e71bdSHans de Goede } 11085519cab4SBenjamin Tissoires } 11095519cab4SBenjamin Tissoires 111001eaac7eSBenjamin Tissoires input_event(input, usage->type, usage->code, value); 111155978fa9SBenjamin Tissoires } 11122d93666eSBenjamin Tissoires 11138dfe14b3SBenjamin Tissoires static void mt_touch_report(struct hid_device *hid, 11148dfe14b3SBenjamin Tissoires struct mt_report_data *rdata) 111555978fa9SBenjamin Tissoires { 111655978fa9SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 11178dfe14b3SBenjamin Tissoires struct hid_report *report = rdata->report; 11188dfe14b3SBenjamin Tissoires struct mt_application *app = rdata->application; 111955978fa9SBenjamin Tissoires struct hid_field *field; 112001eaac7eSBenjamin Tissoires struct input_dev *input; 112101eaac7eSBenjamin Tissoires struct mt_usages *slot; 112255746d28SHans de Goede bool first_packet; 112355978fa9SBenjamin Tissoires unsigned count; 1124f146d1c4SBenjamin Tissoires int r, n; 1125f146d1c4SBenjamin Tissoires int scantime = 0; 1126f146d1c4SBenjamin Tissoires int contact_count = -1; 11275519cab4SBenjamin Tissoires 11284f4001bcSBenjamin Tissoires /* sticky fingers release in progress, abort */ 11294f4001bcSBenjamin Tissoires if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) 11304f4001bcSBenjamin Tissoires return; 11314f4001bcSBenjamin Tissoires 113201eaac7eSBenjamin Tissoires scantime = *app->scantime; 113301eaac7eSBenjamin Tissoires app->timestamp = mt_compute_timestamp(app, scantime); 113401eaac7eSBenjamin Tissoires if (app->raw_cc != DEFAULT_ZERO) 113501eaac7eSBenjamin Tissoires contact_count = *app->raw_cc; 113601eaac7eSBenjamin Tissoires 1137c2517f62SBenjamin Tissoires /* 1138c2517f62SBenjamin Tissoires * Includes multi-packet support where subsequent 1139c2517f62SBenjamin Tissoires * packets are sent with zero contactcount. 1140c2517f62SBenjamin Tissoires */ 114101eaac7eSBenjamin Tissoires if (contact_count >= 0) { 1142af8dc4d0SHans de Goede /* 1143af8dc4d0SHans de Goede * For Win8 PTPs the first packet (td->num_received == 0) may 1144af8dc4d0SHans de Goede * have a contactcount of 0 if there only is a button event. 1145af8dc4d0SHans de Goede * We double check that this is not a continuation packet 1146af8dc4d0SHans de Goede * of a possible multi-packet frame be checking that the 1147af8dc4d0SHans de Goede * timestamp has changed. 1148af8dc4d0SHans de Goede */ 11493ceb3826SBenjamin Tissoires if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && 1150f146d1c4SBenjamin Tissoires app->num_received == 0 && 1151f146d1c4SBenjamin Tissoires app->prev_scantime != scantime) 1152f146d1c4SBenjamin Tissoires app->num_expected = contact_count; 1153af8dc4d0SHans de Goede /* A non 0 contact count always indicates a first packet */ 1154f146d1c4SBenjamin Tissoires else if (contact_count) 1155f146d1c4SBenjamin Tissoires app->num_expected = contact_count; 11567e3cc447SBenjamin Tissoires } 1157f146d1c4SBenjamin Tissoires app->prev_scantime = scantime; 1158c2517f62SBenjamin Tissoires 1159f146d1c4SBenjamin Tissoires first_packet = app->num_received == 0; 116001eaac7eSBenjamin Tissoires 116101eaac7eSBenjamin Tissoires input = report->field[0]->hidinput->input; 116201eaac7eSBenjamin Tissoires 116301eaac7eSBenjamin Tissoires list_for_each_entry(slot, &app->mt_usages, list) { 116401eaac7eSBenjamin Tissoires if (!mt_process_slot(td, input, app, slot)) 116501eaac7eSBenjamin Tissoires app->num_received++; 116601eaac7eSBenjamin Tissoires } 116701eaac7eSBenjamin Tissoires 116855978fa9SBenjamin Tissoires for (r = 0; r < report->maxfield; r++) { 116955978fa9SBenjamin Tissoires field = report->field[r]; 117055978fa9SBenjamin Tissoires count = field->report_count; 117155978fa9SBenjamin Tissoires 117255978fa9SBenjamin Tissoires if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) 117355978fa9SBenjamin Tissoires continue; 117455978fa9SBenjamin Tissoires 117555978fa9SBenjamin Tissoires for (n = 0; n < count; n++) 117601eaac7eSBenjamin Tissoires mt_process_mt_event(hid, app, field, 117701eaac7eSBenjamin Tissoires &field->usage[n], field->value[n], 117801eaac7eSBenjamin Tissoires first_packet); 117955978fa9SBenjamin Tissoires } 11805b62efd8SBenjamin Tissoires 1181f146d1c4SBenjamin Tissoires if (app->num_received >= app->num_expected) 118201eaac7eSBenjamin Tissoires mt_sync_frame(td, app, input); 11834f4001bcSBenjamin Tissoires 11844f4001bcSBenjamin Tissoires /* 11854f4001bcSBenjamin Tissoires * Windows 8 specs says 2 things: 11864f4001bcSBenjamin Tissoires * - once a contact has been reported, it has to be reported in each 11874f4001bcSBenjamin Tissoires * subsequent report 11884f4001bcSBenjamin Tissoires * - the report rate when fingers are present has to be at least 11894f4001bcSBenjamin Tissoires * the refresh rate of the screen, 60 or 120 Hz 11904f4001bcSBenjamin Tissoires * 11914f4001bcSBenjamin Tissoires * I interprete this that the specification forces a report rate of 11924f4001bcSBenjamin Tissoires * at least 60 Hz for a touchscreen to be certified. 11934f4001bcSBenjamin Tissoires * Which means that if we do not get a report whithin 16 ms, either 11944f4001bcSBenjamin Tissoires * something wrong happens, either the touchscreen forgets to send 11954f4001bcSBenjamin Tissoires * a release. Taking a reasonable margin allows to remove issues 11964f4001bcSBenjamin Tissoires * with USB communication or the load of the machine. 11974f4001bcSBenjamin Tissoires * 11984f4001bcSBenjamin Tissoires * Given that Win 8 devices are forced to send a release, this will 11994f4001bcSBenjamin Tissoires * only affect laggish machines and the ones that have a firmware 12004f4001bcSBenjamin Tissoires * defect. 12014f4001bcSBenjamin Tissoires */ 12023ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_STICKY_FINGERS) { 120396098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) 120496098274SBenjamin Tissoires mod_timer(&td->release_timer, 120596098274SBenjamin Tissoires jiffies + msecs_to_jiffies(100)); 120696098274SBenjamin Tissoires else 120796098274SBenjamin Tissoires del_timer(&td->release_timer); 120896098274SBenjamin Tissoires } 12094f4001bcSBenjamin Tissoires 12104f4001bcSBenjamin Tissoires clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); 12115519cab4SBenjamin Tissoires } 12125519cab4SBenjamin Tissoires 1213b2c68a2fSDmitry Torokhov static int mt_touch_input_configured(struct hid_device *hdev, 1214f146d1c4SBenjamin Tissoires struct hid_input *hi, 1215f146d1c4SBenjamin Tissoires struct mt_application *app) 1216a69c5f8bSBenjamin Tissoires { 1217a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1218a69c5f8bSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 1219a69c5f8bSBenjamin Tissoires struct input_dev *input = hi->input; 1220b2c68a2fSDmitry Torokhov int ret; 1221a69c5f8bSBenjamin Tissoires 1222a69c5f8bSBenjamin Tissoires if (!td->maxcontacts) 1223a69c5f8bSBenjamin Tissoires td->maxcontacts = MT_DEFAULT_MAXCONTACT; 1224a69c5f8bSBenjamin Tissoires 1225f146d1c4SBenjamin Tissoires mt_post_parse(td, app); 1226a69c5f8bSBenjamin Tissoires if (td->serial_maybe) 1227f146d1c4SBenjamin Tissoires mt_post_parse_default_settings(td, app); 1228a69c5f8bSBenjamin Tissoires 1229a69c5f8bSBenjamin Tissoires if (cls->is_indirect) 1230f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_POINTER; 1231a69c5f8bSBenjamin Tissoires 12323ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 1233f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_DROP_UNUSED; 1234a69c5f8bSBenjamin Tissoires 1235015fdaa9SBenjamin Tissoires /* check for clickpads */ 1236f146d1c4SBenjamin Tissoires if ((app->mt_flags & INPUT_MT_POINTER) && 1237f146d1c4SBenjamin Tissoires (app->buttons_count == 1)) 12382c6e0277SSeth Forshee td->is_buttonpad = true; 12392c6e0277SSeth Forshee 12402c6e0277SSeth Forshee if (td->is_buttonpad) 1241015fdaa9SBenjamin Tissoires __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 1242015fdaa9SBenjamin Tissoires 1243*28a042a3SDmitry Torokhov app->pending_palm_slots = devm_kcalloc(&hi->input->dev, 1244*28a042a3SDmitry Torokhov BITS_TO_LONGS(td->maxcontacts), 1245*28a042a3SDmitry Torokhov sizeof(long), 1246*28a042a3SDmitry Torokhov GFP_KERNEL); 1247*28a042a3SDmitry Torokhov if (!app->pending_palm_slots) 1248*28a042a3SDmitry Torokhov return -ENOMEM; 1249*28a042a3SDmitry Torokhov 1250f146d1c4SBenjamin Tissoires ret = input_mt_init_slots(input, td->maxcontacts, app->mt_flags); 1251b2c68a2fSDmitry Torokhov if (ret) 1252b2c68a2fSDmitry Torokhov return ret; 1253a69c5f8bSBenjamin Tissoires 1254f146d1c4SBenjamin Tissoires app->mt_flags = 0; 1255b2c68a2fSDmitry Torokhov return 0; 1256a69c5f8bSBenjamin Tissoires } 1257a69c5f8bSBenjamin Tissoires 1258957b8dffSJoão Paulo Rechi Vita #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 1259957b8dffSJoão Paulo Rechi Vita max, EV_KEY, (c)) 1260a69c5f8bSBenjamin Tissoires static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, 1261a69c5f8bSBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 1262a69c5f8bSBenjamin Tissoires unsigned long **bit, int *max) 1263a69c5f8bSBenjamin Tissoires { 12646aef704eSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1265f146d1c4SBenjamin Tissoires struct mt_application *application; 12668dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 12676aef704eSBenjamin Tissoires 12688dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 12698dfe14b3SBenjamin Tissoires if (!rdata) { 12708dfe14b3SBenjamin Tissoires hid_err(hdev, "failed to allocate data for report\n"); 12718dfe14b3SBenjamin Tissoires return 0; 12728dfe14b3SBenjamin Tissoires } 12738dfe14b3SBenjamin Tissoires 12748dfe14b3SBenjamin Tissoires application = rdata->application; 12753ceb3826SBenjamin Tissoires 12766aef704eSBenjamin Tissoires /* 12776aef704eSBenjamin Tissoires * If mtclass.export_all_inputs is not set, only map fields from 12786aef704eSBenjamin Tissoires * TouchScreen or TouchPad collections. We need to ignore fields 12796aef704eSBenjamin Tissoires * that belong to other collections such as Mouse that might have 12806aef704eSBenjamin Tissoires * the same GenericDesktop usages. 12816aef704eSBenjamin Tissoires */ 12826aef704eSBenjamin Tissoires if (!td->mtclass.export_all_inputs && 12836aef704eSBenjamin Tissoires field->application != HID_DG_TOUCHSCREEN && 1284fa11aa72SBenjamin Tissoires field->application != HID_DG_PEN && 12858fe89ef0SBenjamin Tissoires field->application != HID_DG_TOUCHPAD && 12868fe89ef0SBenjamin Tissoires field->application != HID_GD_KEYBOARD && 1287e57f4e67SHans de Goede field->application != HID_GD_SYSTEM_CONTROL && 12881fbf74efSJoão Paulo Rechi Vita field->application != HID_CP_CONSUMER_CONTROL && 1289957b8dffSJoão Paulo Rechi Vita field->application != HID_GD_WIRELESS_RADIO_CTLS && 1290ba6b055eSBenjamin Tissoires field->application != HID_GD_SYSTEM_MULTIAXIS && 1291957b8dffSJoão Paulo Rechi Vita !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 12923ceb3826SBenjamin Tissoires application->quirks & MT_QUIRK_ASUS_CUSTOM_UP)) 12936f492f28SBenjamin Tissoires return -1; 1294a69c5f8bSBenjamin Tissoires 12956aef704eSBenjamin Tissoires /* 1296957b8dffSJoão Paulo Rechi Vita * Some Asus keyboard+touchpad devices have the hotkeys defined in the 1297957b8dffSJoão Paulo Rechi Vita * touchpad report descriptor. We need to treat these as an array to 1298957b8dffSJoão Paulo Rechi Vita * map usages to input keys. 1299957b8dffSJoão Paulo Rechi Vita */ 130039bbf402SJiri Kosina if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 13013ceb3826SBenjamin Tissoires application->quirks & MT_QUIRK_ASUS_CUSTOM_UP && 1302957b8dffSJoão Paulo Rechi Vita (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { 1303957b8dffSJoão Paulo Rechi Vita set_bit(EV_REP, hi->input->evbit); 1304957b8dffSJoão Paulo Rechi Vita if (field->flags & HID_MAIN_ITEM_VARIABLE) 1305957b8dffSJoão Paulo Rechi Vita field->flags &= ~HID_MAIN_ITEM_VARIABLE; 1306957b8dffSJoão Paulo Rechi Vita switch (usage->hid & HID_USAGE) { 1307957b8dffSJoão Paulo Rechi Vita case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; 1308957b8dffSJoão Paulo Rechi Vita case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; 1309957b8dffSJoão Paulo Rechi Vita case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; 1310957b8dffSJoão Paulo Rechi Vita case 0x6b: mt_map_key_clear(KEY_F21); break; 1311957b8dffSJoão Paulo Rechi Vita case 0x6c: mt_map_key_clear(KEY_SLEEP); break; 1312957b8dffSJoão Paulo Rechi Vita default: 1313957b8dffSJoão Paulo Rechi Vita return -1; 1314957b8dffSJoão Paulo Rechi Vita } 1315957b8dffSJoão Paulo Rechi Vita return 1; 1316957b8dffSJoão Paulo Rechi Vita } 1317957b8dffSJoão Paulo Rechi Vita 1318ba6b055eSBenjamin Tissoires if (rdata->is_mt_collection) 1319f146d1c4SBenjamin Tissoires return mt_touch_input_mapping(hdev, hi, field, usage, bit, max, 1320f146d1c4SBenjamin Tissoires application); 13216aef704eSBenjamin Tissoires 13226aef704eSBenjamin Tissoires /* let hid-core decide for the others */ 13236aef704eSBenjamin Tissoires return 0; 1324a69c5f8bSBenjamin Tissoires } 1325a69c5f8bSBenjamin Tissoires 1326a69c5f8bSBenjamin Tissoires static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, 1327a69c5f8bSBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 1328a69c5f8bSBenjamin Tissoires unsigned long **bit, int *max) 1329a69c5f8bSBenjamin Tissoires { 1330ba6b055eSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1331ba6b055eSBenjamin Tissoires struct mt_report_data *rdata; 1332fa11aa72SBenjamin Tissoires 1333ba6b055eSBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 1334ba6b055eSBenjamin Tissoires if (rdata && rdata->is_mt_collection) { 13354cf56a89SDmitry Torokhov /* We own these mappings, tell hid-input to ignore them */ 13364cf56a89SDmitry Torokhov return -1; 13374cf56a89SDmitry Torokhov } 13386aef704eSBenjamin Tissoires 13396aef704eSBenjamin Tissoires /* let hid-core decide for the others */ 13406aef704eSBenjamin Tissoires return 0; 1341a69c5f8bSBenjamin Tissoires } 1342a69c5f8bSBenjamin Tissoires 1343a69c5f8bSBenjamin Tissoires static int mt_event(struct hid_device *hid, struct hid_field *field, 1344a69c5f8bSBenjamin Tissoires struct hid_usage *usage, __s32 value) 1345a69c5f8bSBenjamin Tissoires { 1346a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 13478dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1348a69c5f8bSBenjamin Tissoires 13498dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 13508dfe14b3SBenjamin Tissoires if (rdata && rdata->is_mt_collection) 1351a69c5f8bSBenjamin Tissoires return mt_touch_event(hid, field, usage, value); 1352a69c5f8bSBenjamin Tissoires 1353e55f6200SBenjamin Tissoires return 0; 1354a69c5f8bSBenjamin Tissoires } 1355a69c5f8bSBenjamin Tissoires 1356a69c5f8bSBenjamin Tissoires static void mt_report(struct hid_device *hid, struct hid_report *report) 1357a69c5f8bSBenjamin Tissoires { 1358a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 1359e55f6200SBenjamin Tissoires struct hid_field *field = report->field[0]; 13608dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1361a69c5f8bSBenjamin Tissoires 1362a69c5f8bSBenjamin Tissoires if (!(hid->claimed & HID_CLAIMED_INPUT)) 1363a69c5f8bSBenjamin Tissoires return; 1364a69c5f8bSBenjamin Tissoires 13658dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, report); 13668dfe14b3SBenjamin Tissoires if (rdata && rdata->is_mt_collection) 13678dfe14b3SBenjamin Tissoires return mt_touch_report(hid, rdata); 1368fa11aa72SBenjamin Tissoires 1369e55f6200SBenjamin Tissoires if (field && field->hidinput && field->hidinput->input) 1370e55f6200SBenjamin Tissoires input_sync(field->hidinput->input); 13715519cab4SBenjamin Tissoires } 13725519cab4SBenjamin Tissoires 13737f81c8dbSBenjamin Tissoires static bool mt_need_to_apply_feature(struct hid_device *hdev, 13747f81c8dbSBenjamin Tissoires struct hid_field *field, 137502946f4bSBenjamin Tissoires struct hid_usage *usage, 137602946f4bSBenjamin Tissoires enum latency_mode latency, 137702946f4bSBenjamin Tissoires bool surface_switch, 137802946f4bSBenjamin Tissoires bool button_switch) 13795519cab4SBenjamin Tissoires { 13805519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1381da10bc25SMathieu Magnaudet struct mt_class *cls = &td->mtclass; 13827f81c8dbSBenjamin Tissoires struct hid_report *report = field->report; 13837f81c8dbSBenjamin Tissoires unsigned int index = usage->usage_index; 1384da10bc25SMathieu Magnaudet char *buf; 13853064a03bSAaron Ma u32 report_len; 13867f81c8dbSBenjamin Tissoires int max; 13875519cab4SBenjamin Tissoires 13887f81c8dbSBenjamin Tissoires switch (usage->hid) { 13897f81c8dbSBenjamin Tissoires case HID_DG_INPUTMODE: 1390da10bc25SMathieu Magnaudet if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { 13917f81c8dbSBenjamin Tissoires report_len = hid_report_len(report); 13927f81c8dbSBenjamin Tissoires buf = hid_alloc_report_buf(report, GFP_KERNEL); 1393da10bc25SMathieu Magnaudet if (!buf) { 13947f81c8dbSBenjamin Tissoires hid_err(hdev, 13957f81c8dbSBenjamin Tissoires "failed to allocate buffer for report\n"); 13967f81c8dbSBenjamin Tissoires return false; 1397da10bc25SMathieu Magnaudet } 13987f81c8dbSBenjamin Tissoires hid_hw_raw_request(hdev, report->id, buf, report_len, 1399da10bc25SMathieu Magnaudet HID_FEATURE_REPORT, 1400da10bc25SMathieu Magnaudet HID_REQ_GET_REPORT); 1401da10bc25SMathieu Magnaudet kfree(buf); 1402da10bc25SMathieu Magnaudet } 14037f81c8dbSBenjamin Tissoires 14047f81c8dbSBenjamin Tissoires field->value[index] = td->inputmode_value; 14057f81c8dbSBenjamin Tissoires return true; 14067f81c8dbSBenjamin Tissoires 14077f81c8dbSBenjamin Tissoires case HID_DG_CONTACTMAX: 14083ceb3826SBenjamin Tissoires if (cls->maxcontacts) { 14097f81c8dbSBenjamin Tissoires max = min_t(int, field->logical_maximum, 14103ceb3826SBenjamin Tissoires cls->maxcontacts); 14117f81c8dbSBenjamin Tissoires if (field->value[index] != max) { 14127f81c8dbSBenjamin Tissoires field->value[index] = max; 14137f81c8dbSBenjamin Tissoires return true; 14145519cab4SBenjamin Tissoires } 14155519cab4SBenjamin Tissoires } 14167f81c8dbSBenjamin Tissoires break; 141702946f4bSBenjamin Tissoires 141802946f4bSBenjamin Tissoires case HID_DG_LATENCYMODE: 141902946f4bSBenjamin Tissoires field->value[index] = latency; 142099c703acSJiri Kosina return true; 142102946f4bSBenjamin Tissoires 142202946f4bSBenjamin Tissoires case HID_DG_SURFACESWITCH: 142302946f4bSBenjamin Tissoires field->value[index] = surface_switch; 142499c703acSJiri Kosina return true; 142502946f4bSBenjamin Tissoires 142602946f4bSBenjamin Tissoires case HID_DG_BUTTONSWITCH: 142702946f4bSBenjamin Tissoires field->value[index] = button_switch; 142899c703acSJiri Kosina return true; 14297f81c8dbSBenjamin Tissoires } 14305519cab4SBenjamin Tissoires 14317f81c8dbSBenjamin Tissoires return false; /* no need to update the report */ 14327f81c8dbSBenjamin Tissoires } 14337f81c8dbSBenjamin Tissoires 143402946f4bSBenjamin Tissoires static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency, 143502946f4bSBenjamin Tissoires bool surface_switch, bool button_switch) 143631ae9bddSBenjamin Tissoires { 14377f81c8dbSBenjamin Tissoires struct hid_report_enum *rep_enum; 14387f81c8dbSBenjamin Tissoires struct hid_report *rep; 14397f81c8dbSBenjamin Tissoires struct hid_usage *usage; 14407f81c8dbSBenjamin Tissoires int i, j; 14417f81c8dbSBenjamin Tissoires bool update_report; 144231ae9bddSBenjamin Tissoires 14437f81c8dbSBenjamin Tissoires rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; 14447f81c8dbSBenjamin Tissoires list_for_each_entry(rep, &rep_enum->report_list, list) { 14457f81c8dbSBenjamin Tissoires update_report = false; 144631ae9bddSBenjamin Tissoires 14477f81c8dbSBenjamin Tissoires for (i = 0; i < rep->maxfield; i++) { 14487f81c8dbSBenjamin Tissoires /* Ignore if report count is out of bounds. */ 14497f81c8dbSBenjamin Tissoires if (rep->field[i]->report_count < 1) 14507f81c8dbSBenjamin Tissoires continue; 145131ae9bddSBenjamin Tissoires 14527f81c8dbSBenjamin Tissoires for (j = 0; j < rep->field[i]->maxusage; j++) { 14537f81c8dbSBenjamin Tissoires usage = &rep->field[i]->usage[j]; 14547f81c8dbSBenjamin Tissoires 14557f81c8dbSBenjamin Tissoires if (mt_need_to_apply_feature(hdev, 14567f81c8dbSBenjamin Tissoires rep->field[i], 145702946f4bSBenjamin Tissoires usage, 145802946f4bSBenjamin Tissoires latency, 145902946f4bSBenjamin Tissoires surface_switch, 146002946f4bSBenjamin Tissoires button_switch)) 14617f81c8dbSBenjamin Tissoires update_report = true; 146231ae9bddSBenjamin Tissoires } 146331ae9bddSBenjamin Tissoires } 14647f81c8dbSBenjamin Tissoires 14657f81c8dbSBenjamin Tissoires if (update_report) 14667f81c8dbSBenjamin Tissoires hid_hw_request(hdev, rep, HID_REQ_SET_REPORT); 14677f81c8dbSBenjamin Tissoires } 146831ae9bddSBenjamin Tissoires } 146931ae9bddSBenjamin Tissoires 1470f146d1c4SBenjamin Tissoires static void mt_post_parse_default_settings(struct mt_device *td, 1471f146d1c4SBenjamin Tissoires struct mt_application *app) 14724fa3a583SHenrik Rydberg { 14733ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 14744fa3a583SHenrik Rydberg 14754fa3a583SHenrik Rydberg /* unknown serial device needs special quirks */ 147601eaac7eSBenjamin Tissoires if (list_is_singular(&app->mt_usages)) { 14774fa3a583SHenrik Rydberg quirks |= MT_QUIRK_ALWAYS_VALID; 14784fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; 14794fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_VALID_IS_INRANGE; 14804fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; 1481e0bb8f9aSBenjamin Tissoires quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 14824fa3a583SHenrik Rydberg } 14834fa3a583SHenrik Rydberg 14843ceb3826SBenjamin Tissoires app->quirks = quirks; 14854fa3a583SHenrik Rydberg } 14864fa3a583SHenrik Rydberg 1487f146d1c4SBenjamin Tissoires static void mt_post_parse(struct mt_device *td, struct mt_application *app) 14883ac36d15SBenjamin Tissoires { 148901eaac7eSBenjamin Tissoires if (!app->have_contact_count) 14903ceb3826SBenjamin Tissoires app->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 14913ac36d15SBenjamin Tissoires } 14923ac36d15SBenjamin Tissoires 1493b2c68a2fSDmitry Torokhov static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) 149476f5902aSHenrik Rydberg { 149576f5902aSHenrik Rydberg struct mt_device *td = hid_get_drvdata(hdev); 1496c08d46aaSBenjamin Tissoires char *name; 1497c08d46aaSBenjamin Tissoires const char *suffix = NULL; 149840ec2603SBenjamin Tissoires unsigned int application = 0; 14998dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1500f146d1c4SBenjamin Tissoires struct mt_application *mt_application = NULL; 150140ec2603SBenjamin Tissoires struct hid_report *report; 1502b2c68a2fSDmitry Torokhov int ret; 150376f5902aSHenrik Rydberg 150440ec2603SBenjamin Tissoires list_for_each_entry(report, &hi->reports, hidinput_list) { 150540ec2603SBenjamin Tissoires application = report->application; 15068dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, report); 15078dfe14b3SBenjamin Tissoires if (!rdata) { 15088dfe14b3SBenjamin Tissoires hid_err(hdev, "failed to allocate data for report\n"); 15098dfe14b3SBenjamin Tissoires return -ENOMEM; 15108dfe14b3SBenjamin Tissoires } 1511f146d1c4SBenjamin Tissoires 15128dfe14b3SBenjamin Tissoires mt_application = rdata->application; 15138dfe14b3SBenjamin Tissoires 15148dfe14b3SBenjamin Tissoires if (rdata->is_mt_collection) { 1515f146d1c4SBenjamin Tissoires ret = mt_touch_input_configured(hdev, hi, 1516f146d1c4SBenjamin Tissoires mt_application); 1517b2c68a2fSDmitry Torokhov if (ret) 1518b2c68a2fSDmitry Torokhov return ret; 1519b2c68a2fSDmitry Torokhov } 152076f5902aSHenrik Rydberg 15216aef704eSBenjamin Tissoires /* 152240ec2603SBenjamin Tissoires * some egalax touchscreens have "application == DG_TOUCHSCREEN" 152340ec2603SBenjamin Tissoires * for the stylus. Check this first, and then rely on 152440ec2603SBenjamin Tissoires * the application field. 15256aef704eSBenjamin Tissoires */ 152640ec2603SBenjamin Tissoires if (report->field[0]->physical == HID_DG_STYLUS) { 1527c08d46aaSBenjamin Tissoires suffix = "Pen"; 1528e55f6200SBenjamin Tissoires /* force BTN_STYLUS to allow tablet matching in udev */ 1529e55f6200SBenjamin Tissoires __set_bit(BTN_STYLUS, hi->input->keybit); 153040ec2603SBenjamin Tissoires } 153140ec2603SBenjamin Tissoires } 153240ec2603SBenjamin Tissoires 153340ec2603SBenjamin Tissoires if (!suffix) { 153440ec2603SBenjamin Tissoires switch (application) { 15356aef704eSBenjamin Tissoires case HID_GD_KEYBOARD: 15366aef704eSBenjamin Tissoires case HID_GD_KEYPAD: 15376aef704eSBenjamin Tissoires case HID_GD_MOUSE: 153840ec2603SBenjamin Tissoires case HID_DG_TOUCHPAD: 153940ec2603SBenjamin Tissoires case HID_GD_SYSTEM_CONTROL: 154040ec2603SBenjamin Tissoires case HID_CP_CONSUMER_CONTROL: 154140ec2603SBenjamin Tissoires case HID_GD_WIRELESS_RADIO_CTLS: 1542ba6b055eSBenjamin Tissoires case HID_GD_SYSTEM_MULTIAXIS: 154340ec2603SBenjamin Tissoires /* already handled by hid core */ 15446aef704eSBenjamin Tissoires break; 15456aef704eSBenjamin Tissoires case HID_DG_TOUCHSCREEN: 15466aef704eSBenjamin Tissoires /* we do not set suffix = "Touchscreen" */ 154740ec2603SBenjamin Tissoires hi->input->name = hdev->name; 15486aef704eSBenjamin Tissoires break; 154940ec2603SBenjamin Tissoires case HID_DG_STYLUS: 155040ec2603SBenjamin Tissoires /* force BTN_STYLUS to allow tablet matching in udev */ 155140ec2603SBenjamin Tissoires __set_bit(BTN_STYLUS, hi->input->keybit); 15521fbf74efSJoão Paulo Rechi Vita break; 1553957b8dffSJoão Paulo Rechi Vita case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: 1554957b8dffSJoão Paulo Rechi Vita suffix = "Custom Media Keys"; 1555957b8dffSJoão Paulo Rechi Vita break; 15566aef704eSBenjamin Tissoires default: 15576aef704eSBenjamin Tissoires suffix = "UNKNOWN"; 15586aef704eSBenjamin Tissoires break; 15596aef704eSBenjamin Tissoires } 156076f5902aSHenrik Rydberg } 156176f5902aSHenrik Rydberg 1562c08d46aaSBenjamin Tissoires if (suffix) { 1563c08d46aaSBenjamin Tissoires name = devm_kzalloc(&hi->input->dev, 1564c08d46aaSBenjamin Tissoires strlen(hdev->name) + strlen(suffix) + 2, 1565c08d46aaSBenjamin Tissoires GFP_KERNEL); 1566c08d46aaSBenjamin Tissoires if (name) { 1567c08d46aaSBenjamin Tissoires sprintf(name, "%s %s", hdev->name, suffix); 1568c08d46aaSBenjamin Tissoires hi->input->name = name; 1569c08d46aaSBenjamin Tissoires } 1570c08d46aaSBenjamin Tissoires } 1571b2c68a2fSDmitry Torokhov 1572b2c68a2fSDmitry Torokhov return 0; 1573c08d46aaSBenjamin Tissoires } 1574c08d46aaSBenjamin Tissoires 1575f3287a99SBenjamin Tissoires static void mt_fix_const_field(struct hid_field *field, unsigned int usage) 1576f3287a99SBenjamin Tissoires { 1577f3287a99SBenjamin Tissoires if (field->usage[0].hid != usage || 1578f3287a99SBenjamin Tissoires !(field->flags & HID_MAIN_ITEM_CONSTANT)) 1579f3287a99SBenjamin Tissoires return; 1580f3287a99SBenjamin Tissoires 1581f3287a99SBenjamin Tissoires field->flags &= ~HID_MAIN_ITEM_CONSTANT; 1582f3287a99SBenjamin Tissoires field->flags |= HID_MAIN_ITEM_VARIABLE; 1583f3287a99SBenjamin Tissoires } 1584f3287a99SBenjamin Tissoires 1585f3287a99SBenjamin Tissoires static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) 1586f3287a99SBenjamin Tissoires { 1587f3287a99SBenjamin Tissoires struct hid_report *report; 1588f3287a99SBenjamin Tissoires int i; 1589f3287a99SBenjamin Tissoires 1590f3287a99SBenjamin Tissoires list_for_each_entry(report, 1591f3287a99SBenjamin Tissoires &hdev->report_enum[HID_INPUT_REPORT].report_list, 1592f3287a99SBenjamin Tissoires list) { 1593f3287a99SBenjamin Tissoires 1594f3287a99SBenjamin Tissoires if (!report->maxfield) 1595f3287a99SBenjamin Tissoires continue; 1596f3287a99SBenjamin Tissoires 1597f3287a99SBenjamin Tissoires for (i = 0; i < report->maxfield; i++) 1598f3287a99SBenjamin Tissoires if (report->field[i]->maxusage >= 1) 1599f3287a99SBenjamin Tissoires mt_fix_const_field(report->field[i], usage); 1600f3287a99SBenjamin Tissoires } 1601f3287a99SBenjamin Tissoires } 1602f3287a99SBenjamin Tissoires 16034f4001bcSBenjamin Tissoires static void mt_release_contacts(struct hid_device *hid) 16044f4001bcSBenjamin Tissoires { 16054f4001bcSBenjamin Tissoires struct hid_input *hidinput; 1606f146d1c4SBenjamin Tissoires struct mt_application *application; 16074f4001bcSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 16084f4001bcSBenjamin Tissoires 16094f4001bcSBenjamin Tissoires list_for_each_entry(hidinput, &hid->inputs, list) { 16104f4001bcSBenjamin Tissoires struct input_dev *input_dev = hidinput->input; 16114f4001bcSBenjamin Tissoires struct input_mt *mt = input_dev->mt; 16124f4001bcSBenjamin Tissoires int i; 16134f4001bcSBenjamin Tissoires 16144f4001bcSBenjamin Tissoires if (mt) { 16154f4001bcSBenjamin Tissoires for (i = 0; i < mt->num_slots; i++) { 16164f4001bcSBenjamin Tissoires input_mt_slot(input_dev, i); 16174f4001bcSBenjamin Tissoires input_mt_report_slot_state(input_dev, 16184f4001bcSBenjamin Tissoires MT_TOOL_FINGER, 16194f4001bcSBenjamin Tissoires false); 16204f4001bcSBenjamin Tissoires } 16214f4001bcSBenjamin Tissoires input_mt_sync_frame(input_dev); 16224f4001bcSBenjamin Tissoires input_sync(input_dev); 16234f4001bcSBenjamin Tissoires } 16244f4001bcSBenjamin Tissoires } 16254f4001bcSBenjamin Tissoires 1626f146d1c4SBenjamin Tissoires list_for_each_entry(application, &td->applications, list) { 1627f146d1c4SBenjamin Tissoires application->num_received = 0; 1628f146d1c4SBenjamin Tissoires } 16294f4001bcSBenjamin Tissoires } 16304f4001bcSBenjamin Tissoires 16310ee32774SKees Cook static void mt_expired_timeout(struct timer_list *t) 16324f4001bcSBenjamin Tissoires { 16330ee32774SKees Cook struct mt_device *td = from_timer(td, t, release_timer); 16340ee32774SKees Cook struct hid_device *hdev = td->hdev; 16354f4001bcSBenjamin Tissoires 16364f4001bcSBenjamin Tissoires /* 16374f4001bcSBenjamin Tissoires * An input report came in just before we release the sticky fingers, 16384f4001bcSBenjamin Tissoires * it will take care of the sticky fingers. 16394f4001bcSBenjamin Tissoires */ 16404f4001bcSBenjamin Tissoires if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) 16414f4001bcSBenjamin Tissoires return; 164296098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) 16434f4001bcSBenjamin Tissoires mt_release_contacts(hdev); 16444f4001bcSBenjamin Tissoires clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); 16454f4001bcSBenjamin Tissoires } 16464f4001bcSBenjamin Tissoires 16475519cab4SBenjamin Tissoires static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) 16485519cab4SBenjamin Tissoires { 16492d93666eSBenjamin Tissoires int ret, i; 16505519cab4SBenjamin Tissoires struct mt_device *td; 1651cf6d15d7SBenjamin Tissoires const struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ 16522d93666eSBenjamin Tissoires 16532d93666eSBenjamin Tissoires for (i = 0; mt_classes[i].name ; i++) { 16542d93666eSBenjamin Tissoires if (id->driver_data == mt_classes[i].name) { 16552d93666eSBenjamin Tissoires mtclass = &(mt_classes[i]); 16562d93666eSBenjamin Tissoires break; 16572d93666eSBenjamin Tissoires } 16582d93666eSBenjamin Tissoires } 16595519cab4SBenjamin Tissoires 1660c08d46aaSBenjamin Tissoires td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); 16615519cab4SBenjamin Tissoires if (!td) { 16625519cab4SBenjamin Tissoires dev_err(&hdev->dev, "cannot allocate multitouch data\n"); 16635519cab4SBenjamin Tissoires return -ENOMEM; 16645519cab4SBenjamin Tissoires } 16650ee32774SKees Cook td->hdev = hdev; 1666eec29e3dSBenjamin Tissoires td->mtclass = *mtclass; 16679abebedbSAndrew Duggan td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; 16685519cab4SBenjamin Tissoires hid_set_drvdata(hdev, td); 16695519cab4SBenjamin Tissoires 1670f146d1c4SBenjamin Tissoires INIT_LIST_HEAD(&td->applications); 16718dfe14b3SBenjamin Tissoires INIT_LIST_HEAD(&td->reports); 1672f146d1c4SBenjamin Tissoires 167376f5902aSHenrik Rydberg if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) 167476f5902aSHenrik Rydberg td->serial_maybe = true; 167576f5902aSHenrik Rydberg 1676b897f6dbSBenjamin Tissoires /* This allows the driver to correctly support devices 1677b897f6dbSBenjamin Tissoires * that emit events over several HID messages. 1678b897f6dbSBenjamin Tissoires */ 1679b897f6dbSBenjamin Tissoires hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; 1680b897f6dbSBenjamin Tissoires 1681b897f6dbSBenjamin Tissoires /* 1682b897f6dbSBenjamin Tissoires * This allows the driver to handle different input sensors 168340ec2603SBenjamin Tissoires * that emits events through different applications on the same HID 1684b897f6dbSBenjamin Tissoires * device. 1685b897f6dbSBenjamin Tissoires */ 168640ec2603SBenjamin Tissoires hdev->quirks |= HID_QUIRK_INPUT_PER_APP; 1687b897f6dbSBenjamin Tissoires 16880ee32774SKees Cook timer_setup(&td->release_timer, mt_expired_timeout, 0); 16894f4001bcSBenjamin Tissoires 16905519cab4SBenjamin Tissoires ret = hid_parse(hdev); 16915519cab4SBenjamin Tissoires if (ret != 0) 1692c08d46aaSBenjamin Tissoires return ret; 16935519cab4SBenjamin Tissoires 1694f3287a99SBenjamin Tissoires if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) 1695f3287a99SBenjamin Tissoires mt_fix_const_fields(hdev, HID_DG_CONTACTID); 1696f3287a99SBenjamin Tissoires 16975519cab4SBenjamin Tissoires ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 16982d93666eSBenjamin Tissoires if (ret) 1699c08d46aaSBenjamin Tissoires return ret; 17005519cab4SBenjamin Tissoires 1701eec29e3dSBenjamin Tissoires ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); 17020c4b3c63SNicholas Krause if (ret) 17030c4b3c63SNicholas Krause dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", 17040c4b3c63SNicholas Krause hdev->name); 1705eec29e3dSBenjamin Tissoires 170602946f4bSBenjamin Tissoires mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 17075519cab4SBenjamin Tissoires 17085519cab4SBenjamin Tissoires return 0; 17095519cab4SBenjamin Tissoires } 17105519cab4SBenjamin Tissoires 17115519cab4SBenjamin Tissoires #ifdef CONFIG_PM 17125519cab4SBenjamin Tissoires static int mt_reset_resume(struct hid_device *hdev) 17135519cab4SBenjamin Tissoires { 1714d3e69b9aSBenson Leung mt_release_contacts(hdev); 171502946f4bSBenjamin Tissoires mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 17165519cab4SBenjamin Tissoires return 0; 17175519cab4SBenjamin Tissoires } 1718dfeefd10SScott Liu 1719dfeefd10SScott Liu static int mt_resume(struct hid_device *hdev) 1720dfeefd10SScott Liu { 1721dfeefd10SScott Liu /* Some Elan legacy devices require SET_IDLE to be set on resume. 1722dfeefd10SScott Liu * It should be safe to send it to other devices too. 1723dfeefd10SScott Liu * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ 1724dfeefd10SScott Liu 17254ba25d3fSBenjamin Tissoires hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); 1726dfeefd10SScott Liu 1727dfeefd10SScott Liu return 0; 1728dfeefd10SScott Liu } 17295519cab4SBenjamin Tissoires #endif 17305519cab4SBenjamin Tissoires 17315519cab4SBenjamin Tissoires static void mt_remove(struct hid_device *hdev) 17325519cab4SBenjamin Tissoires { 1733b897f6dbSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1734b897f6dbSBenjamin Tissoires 17354f4001bcSBenjamin Tissoires del_timer_sync(&td->release_timer); 17364f4001bcSBenjamin Tissoires 1737eec29e3dSBenjamin Tissoires sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); 17385939212dSBenjamin Tissoires hid_hw_stop(hdev); 17395519cab4SBenjamin Tissoires } 17405519cab4SBenjamin Tissoires 17410fa9c616SBenjamin Tissoires /* 17420fa9c616SBenjamin Tissoires * This list contains only: 17430fa9c616SBenjamin Tissoires * - VID/PID of products not working with the default multitouch handling 17440fa9c616SBenjamin Tissoires * - 2 generic rules. 17450fa9c616SBenjamin Tissoires * So there is no point in adding here any device with MT_CLS_DEFAULT. 17460fa9c616SBenjamin Tissoires */ 17475519cab4SBenjamin Tissoires static const struct hid_device_id mt_devices[] = { 17485519cab4SBenjamin Tissoires 1749f786bba4SBenjamin Tissoires /* 3M panels */ 1750f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 17512c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1752f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M1968) }, 1753f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 17542c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1755f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M2256) }, 1756c4fad877SBenjamin Tissoires { .driver_data = MT_CLS_3M, 17572c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1758c4fad877SBenjamin Tissoires USB_DEVICE_ID_3M3266) }, 1759f786bba4SBenjamin Tissoires 1760504c932cSMasaki Ota /* Alps devices */ 1761504c932cSMasaki Ota { .driver_data = MT_CLS_WIN_8_DUAL, 1762504c932cSMasaki Ota HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 1763504c932cSMasaki Ota USB_VENDOR_ID_ALPS_JP, 1764504c932cSMasaki Ota HID_DEVICE_ID_ALPS_U1_DUAL_PTP) }, 1765504c932cSMasaki Ota { .driver_data = MT_CLS_WIN_8_DUAL, 1766504c932cSMasaki Ota HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 1767504c932cSMasaki Ota USB_VENDOR_ID_ALPS_JP, 1768504c932cSMasaki Ota HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) }, 1769504c932cSMasaki Ota 177056d859e1SPavel Tatashin /* Lenovo X1 TAB Gen 2 */ 177156d859e1SPavel Tatashin { .driver_data = MT_CLS_WIN_8_DUAL, 177256d859e1SPavel Tatashin HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 177356d859e1SPavel Tatashin USB_VENDOR_ID_LENOVO, 177456d859e1SPavel Tatashin USB_DEVICE_ID_LENOVO_X1_TAB) }, 177556d859e1SPavel Tatashin 17766aef704eSBenjamin Tissoires /* Anton devices */ 17776aef704eSBenjamin Tissoires { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, 17786aef704eSBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_ANTON, 17796aef704eSBenjamin Tissoires USB_DEVICE_ID_ANTON_TOUCH_PAD) }, 1780e6aac342SBenjamin Tissoires 1781957b8dffSJoão Paulo Rechi Vita /* Asus T304UA */ 1782957b8dffSJoão Paulo Rechi Vita { .driver_data = MT_CLS_ASUS, 1783957b8dffSJoão Paulo Rechi Vita HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 1784957b8dffSJoão Paulo Rechi Vita USB_VENDOR_ID_ASUSTEK, 1785957b8dffSJoão Paulo Rechi Vita USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, 1786957b8dffSJoão Paulo Rechi Vita 1787b1057124SBenjamin Tissoires /* Atmel panels */ 1788b1057124SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 17892c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, 1790841cb157SBenjamin Tissoires USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, 1791b1057124SBenjamin Tissoires 17929ed32695SJiri Kosina /* Baanto multitouch devices */ 1793dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 179416b79bb8SJiri Kosina MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, 17959ed32695SJiri Kosina USB_DEVICE_ID_BAANTO_MT_190W2) }, 17960fa9c616SBenjamin Tissoires 1797a841b62cSBenjamin Tissoires /* Cando panels */ 1798a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 17992c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 1800a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, 1801a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 18022c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 1803a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, 1804a841b62cSBenjamin Tissoires 1805942fd422SAustin Zhang /* Chunghwa Telecom touch panels */ 1806dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18072c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, 1808942fd422SAustin Zhang USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, 1809942fd422SAustin Zhang 1810070f63b4SYang Bo /* CJTouch panels */ 1811070f63b4SYang Bo { .driver_data = MT_CLS_NSMU, 1812070f63b4SYang Bo MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, 1813070f63b4SYang Bo USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, 1814070f63b4SYang Bo { .driver_data = MT_CLS_NSMU, 1815070f63b4SYang Bo MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, 1816070f63b4SYang Bo USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, 1817070f63b4SYang Bo 181879603dc9SBenjamin Tissoires /* CVTouch panels */ 1819dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18202c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, 182179603dc9SBenjamin Tissoires USB_DEVICE_ID_CVTOUCH_SCREEN) }, 182279603dc9SBenjamin Tissoires 182322408283SBenjamin Tissoires /* eGalax devices (resistive) */ 182422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18252c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1826e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, 182722408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18282c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1829e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, 183022408283SBenjamin Tissoires 183122408283SBenjamin Tissoires /* eGalax devices (capacitive) */ 1832fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18332c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1834fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, 183522408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18362c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1837e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, 1838fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18392c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1840fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, 18412ce09df4SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18422c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 18432ce09df4SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, 184422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18452c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 184622408283SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, 1847fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18482c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1849fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, 185022408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18512c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 185222408283SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, 185322408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 185422408283SBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1855e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, 1856fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18572c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1858fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, 18591fd8f047SChris Bagwell { .driver_data = MT_CLS_EGALAX, 1860aa672da1SAndy Shevchenko HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 1861aa672da1SAndy Shevchenko USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, 1862aa672da1SAndy Shevchenko { .driver_data = MT_CLS_EGALAX, 1863aa672da1SAndy Shevchenko HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 1864aa672da1SAndy Shevchenko USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, 1865aa672da1SAndy Shevchenko { .driver_data = MT_CLS_EGALAX, 18662c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 186766f06127SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, 186866f06127SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18692c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1870bb9ff210SMarek Vasut USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, 18711b723e8dSBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18722c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1873fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, 1874fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18752c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1876ae01c9e5SThierry Reding USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, 1877ae01c9e5SThierry Reding { .driver_data = MT_CLS_EGALAX_SERIAL, 1878ae01c9e5SThierry Reding MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1879e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, 188022408283SBenjamin Tissoires 18817c7606a2STomas Sokorai /* Elitegroup panel */ 18827c7606a2STomas Sokorai { .driver_data = MT_CLS_SERIAL, 18837c7606a2STomas Sokorai MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, 18847c7606a2STomas Sokorai USB_DEVICE_ID_ELITEGROUP_05D8) }, 18857c7606a2STomas Sokorai 188677723e3bSHenrik Rydberg /* Flatfrog Panels */ 188777723e3bSHenrik Rydberg { .driver_data = MT_CLS_FLATFROG, 188877723e3bSHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, 188977723e3bSHenrik Rydberg USB_DEVICE_ID_MULTITOUCH_3200) }, 189077723e3bSHenrik Rydberg 18913db187e7SBenjamin Tissoires /* FocalTech Panels */ 18923db187e7SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 18933db187e7SBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, 18943db187e7SBenjamin Tissoires USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, 18953db187e7SBenjamin Tissoires 18965572da08SBenjamin Tissoires /* GeneralTouch panel */ 1897f5ff4e1eSXianhan Yu { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, 18982c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 18995572da08SBenjamin Tissoires USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, 1900f5ff4e1eSXianhan Yu { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 1901f5ff4e1eSXianhan Yu MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 1902f5ff4e1eSXianhan Yu USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, 19037b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, 19047b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19057b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, 19067b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19077b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19087b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, 19097b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19107b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19117b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, 19127b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19137b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19147b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, 19157b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19167b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19177b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, 19185572da08SBenjamin Tissoires 19194d5df5d1SAndreas Nielsen /* Gametel game controller */ 1920dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19212c2110e9SHenrik Rydberg MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, 19224d5df5d1SAndreas Nielsen USB_DEVICE_ID_GAMETEL_MT_MODE) }, 19234d5df5d1SAndreas Nielsen 1924ee0fbd14SBenjamin Tissoires /* GoodTouch panels */ 1925dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19262c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, 1927ee0fbd14SBenjamin Tissoires USB_DEVICE_ID_GOODTOUCH_000f) }, 1928ee0fbd14SBenjamin Tissoires 192954580365SBenjamin Tissoires /* Hanvon panels */ 193054580365SBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 19312c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, 193254580365SBenjamin Tissoires USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, 193354580365SBenjamin Tissoires 19344e61f0d7SAustin Zhang /* Ilitek dual touch panel */ 1935dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19362c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, 19374e61f0d7SAustin Zhang USB_DEVICE_ID_ILITEK_MULTITOUCH) }, 19384e61f0d7SAustin Zhang 1939f3287a99SBenjamin Tissoires /* LG Melfas panel */ 1940f3287a99SBenjamin Tissoires { .driver_data = MT_CLS_LG, 1941f3287a99SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_LG, 1942f3287a99SBenjamin Tissoires USB_DEVICE_ID_LG_MELFAS_MT) }, 1943f3287a99SBenjamin Tissoires 19444a6ee685SBenjamin Tissoires /* MosArt panels */ 19454a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 19462c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ASUS, 19474a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUS_T91MT)}, 19484a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 19492c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ASUS, 19504a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, 19514a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 19522c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, 19534a6ee685SBenjamin Tissoires USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, 19544a6ee685SBenjamin Tissoires 19554db703eaSAustin Hendrix /* Novatek Panel */ 1956dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19574380d819SJiri Kosina MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, 19584db703eaSAustin Hendrix USB_DEVICE_ID_NOVATEK_PCT) }, 19594db703eaSAustin Hendrix 1960a80e803aSBenjamin Tissoires /* Ntrig Panel */ 1961a80e803aSBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 1962a80e803aSBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 1963a80e803aSBenjamin Tissoires USB_VENDOR_ID_NTRIG, 0x1b05) }, 1964a80e803aSBenjamin Tissoires 1965fb55b402SHans de Goede /* Panasonic panels */ 1966fb55b402SHans de Goede { .driver_data = MT_CLS_PANASONIC, 1967fb55b402SHans de Goede MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, 1968fb55b402SHans de Goede USB_DEVICE_ID_PANABOARD_UBT780) }, 1969fb55b402SHans de Goede { .driver_data = MT_CLS_PANASONIC, 1970fb55b402SHans de Goede MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, 1971fb55b402SHans de Goede USB_DEVICE_ID_PANABOARD_UBT880) }, 1972fb55b402SHans de Goede 1973b7ea95ffSAaron Tian /* PixArt optical touch screen */ 1974b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 19752c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 1976b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, 1977b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 19782c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 1979b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, 1980b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 19812c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 1982b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, 1983b7ea95ffSAaron Tian 19845519cab4SBenjamin Tissoires /* PixCir-based panels */ 19851e9cf35bSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 19862c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 19875519cab4SBenjamin Tissoires USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, 19885519cab4SBenjamin Tissoires 19895e7ea11fSBenjamin Tissoires /* Quanta-based panels */ 19905e7ea11fSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, 19912c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, 19925e7ea11fSBenjamin Tissoires USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, 1993a6802e00SForest Bond 1994843e475fSBenjamin Tissoires /* Razer touchpads */ 1995843e475fSBenjamin Tissoires { .driver_data = MT_CLS_RAZER_BLADE_STEALTH, 1996843e475fSBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 1997843e475fSBenjamin Tissoires USB_VENDOR_ID_SYNAPTICS, 0x8323) }, 1998843e475fSBenjamin Tissoires 1999043b403aSBenjamin Tissoires /* Stantum panels */ 2000bf5af9b5SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE, 20012c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, 2002043b403aSBenjamin Tissoires USB_DEVICE_ID_MTP_STM)}, 2003043b403aSBenjamin Tissoires 2004847672cdSBenjamin Tissoires /* TopSeed panels */ 2005847672cdSBenjamin Tissoires { .driver_data = MT_CLS_TOPSEED, 20062c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, 2007847672cdSBenjamin Tissoires USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, 2008847672cdSBenjamin Tissoires 20095e74e56dSBenjamin Tissoires /* Touch International panels */ 2010dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20112c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, 20125e74e56dSBenjamin Tissoires USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, 20135e74e56dSBenjamin Tissoires 2014617b64f9SBenjamin Tissoires /* Unitec panels */ 2015dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20162c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, 2017617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, 2018dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20192c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, 2020617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, 2021bf9d121eSKaiChung Cheng 2022da10bc25SMathieu Magnaudet /* VTL panels */ 2023da10bc25SMathieu Magnaudet { .driver_data = MT_CLS_VTL, 2024da10bc25SMathieu Magnaudet MT_USB_DEVICE(USB_VENDOR_ID_VTL, 2025da10bc25SMathieu Magnaudet USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, 2026da10bc25SMathieu Magnaudet 2027bf9d121eSKaiChung Cheng /* Wistron panels */ 2028bf9d121eSKaiChung Cheng { .driver_data = MT_CLS_NSMU, 2029bf9d121eSKaiChung Cheng MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, 2030bf9d121eSKaiChung Cheng USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, 2031bf9d121eSKaiChung Cheng 2032bc8a2a9bSice chien /* XAT */ 2033dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20342c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XAT, 2035bc8a2a9bSice chien USB_DEVICE_ID_XAT_CSR) }, 2036617b64f9SBenjamin Tissoires 203711576c61SMasatoshi Hoshikawa /* Xiroku */ 2038dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20392c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 204011576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX) }, 2041dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20422c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 204311576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX) }, 2044dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20452c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 204611576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR) }, 2047dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20482c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 204911576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX1) }, 2050dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20512c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 205211576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX1) }, 2053dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20542c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 205511576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR1) }, 2056dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20572c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 205811576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX2) }, 2059dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20602c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 206111576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX2) }, 2062dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20632c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 206411576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR2) }, 206511576c61SMasatoshi Hoshikawa 20660e82232cSWei-Ning Huang /* Google MT devices */ 20670e82232cSWei-Ning Huang { .driver_data = MT_CLS_GOOGLE, 20680e82232cSWei-Ning Huang HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, 20690e82232cSWei-Ning Huang USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, 20700e82232cSWei-Ning Huang 20714fa3a583SHenrik Rydberg /* Generic MT device */ 20724fa3a583SHenrik Rydberg { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, 2073f961bd35SBenjamin Tissoires 2074f961bd35SBenjamin Tissoires /* Generic Win 8 certified MT device */ 2075f961bd35SBenjamin Tissoires { .driver_data = MT_CLS_WIN_8, 2076f961bd35SBenjamin Tissoires HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, 2077f961bd35SBenjamin Tissoires HID_ANY_ID, HID_ANY_ID) }, 20785519cab4SBenjamin Tissoires { } 20795519cab4SBenjamin Tissoires }; 20805519cab4SBenjamin Tissoires MODULE_DEVICE_TABLE(hid, mt_devices); 20815519cab4SBenjamin Tissoires 20825519cab4SBenjamin Tissoires static const struct hid_usage_id mt_grabbed_usages[] = { 20835519cab4SBenjamin Tissoires { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, 20845519cab4SBenjamin Tissoires { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} 20855519cab4SBenjamin Tissoires }; 20865519cab4SBenjamin Tissoires 20875519cab4SBenjamin Tissoires static struct hid_driver mt_driver = { 20885519cab4SBenjamin Tissoires .name = "hid-multitouch", 20895519cab4SBenjamin Tissoires .id_table = mt_devices, 20905519cab4SBenjamin Tissoires .probe = mt_probe, 20915519cab4SBenjamin Tissoires .remove = mt_remove, 20925519cab4SBenjamin Tissoires .input_mapping = mt_input_mapping, 20935519cab4SBenjamin Tissoires .input_mapped = mt_input_mapped, 209476f5902aSHenrik Rydberg .input_configured = mt_input_configured, 20955519cab4SBenjamin Tissoires .feature_mapping = mt_feature_mapping, 20965519cab4SBenjamin Tissoires .usage_table = mt_grabbed_usages, 20975519cab4SBenjamin Tissoires .event = mt_event, 209855978fa9SBenjamin Tissoires .report = mt_report, 20995519cab4SBenjamin Tissoires #ifdef CONFIG_PM 21005519cab4SBenjamin Tissoires .reset_resume = mt_reset_resume, 2101dfeefd10SScott Liu .resume = mt_resume, 21025519cab4SBenjamin Tissoires #endif 21035519cab4SBenjamin Tissoires }; 2104f425458eSH Hartley Sweeten module_hid_driver(mt_driver); 2105