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 90*01eaac7eSBenjamin Tissoires static const bool mtrue = true; /* default for true */ 91*01eaac7eSBenjamin Tissoires static const bool mfalse; /* default for false */ 92*01eaac7eSBenjamin Tissoires static const __s32 mzero; /* default for 0 */ 93*01eaac7eSBenjamin Tissoires 94*01eaac7eSBenjamin Tissoires #define DEFAULT_TRUE ((void *)&mtrue) 95*01eaac7eSBenjamin Tissoires #define DEFAULT_FALSE ((void *)&mfalse) 96*01eaac7eSBenjamin Tissoires #define DEFAULT_ZERO ((void *)&mzero) 97*01eaac7eSBenjamin Tissoires 98*01eaac7eSBenjamin Tissoires struct mt_usages { 99*01eaac7eSBenjamin Tissoires struct list_head list; 100*01eaac7eSBenjamin Tissoires __s32 *x, *y, *cx, *cy, *p, *w, *h, *a; 101*01eaac7eSBenjamin Tissoires __s32 *contactid; /* the device ContactID assigned to this slot */ 102*01eaac7eSBenjamin Tissoires bool *tip_state; /* is the touch valid? */ 103*01eaac7eSBenjamin Tissoires bool *inrange_state; /* is the finger in proximity of the sensor? */ 104*01eaac7eSBenjamin 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; 110*01eaac7eSBenjamin Tissoires struct list_head mt_usages; /* mt usages list */ 1113ceb3826SBenjamin Tissoires 1123ceb3826SBenjamin Tissoires __s32 quirks; 1133ceb3826SBenjamin Tissoires 114*01eaac7eSBenjamin Tissoires __s32 *scantime; /* scantime reported */ 115*01eaac7eSBenjamin Tissoires __s32 scantime_logical_max; /* max value for raw scantime */ 116f146d1c4SBenjamin Tissoires 117*01eaac7eSBenjamin 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 121f146d1c4SBenjamin Tissoires __u8 num_received; /* how many contacts we received */ 122f146d1c4SBenjamin Tissoires __u8 num_expected; /* expected last contact index */ 123f146d1c4SBenjamin Tissoires __u8 buttons_count; /* number of physical buttons per touchpad */ 124f146d1c4SBenjamin Tissoires __u8 touches_by_report; /* how many touches are present in one report: 125f146d1c4SBenjamin Tissoires * 1 means we should use a serial protocol 126f146d1c4SBenjamin Tissoires * > 1 means hybrid (multitouch) protocol 127f146d1c4SBenjamin Tissoires */ 128f146d1c4SBenjamin Tissoires 129f146d1c4SBenjamin Tissoires __s32 dev_time; /* the scan time provided by the device */ 130f146d1c4SBenjamin Tissoires unsigned long jiffies; /* the frame's jiffies */ 131f146d1c4SBenjamin Tissoires int timestamp; /* the timestamp to be sent */ 132f146d1c4SBenjamin Tissoires int prev_scantime; /* scantime reported previously */ 133f146d1c4SBenjamin Tissoires 134f146d1c4SBenjamin Tissoires bool have_contact_count; 135f146d1c4SBenjamin Tissoires }; 136f146d1c4SBenjamin Tissoires 1375519cab4SBenjamin Tissoires struct mt_class { 1382d93666eSBenjamin Tissoires __s32 name; /* MT_CLS */ 1395519cab4SBenjamin Tissoires __s32 quirks; 1405519cab4SBenjamin Tissoires __s32 sn_move; /* Signal/noise ratio for move events */ 141f786bba4SBenjamin Tissoires __s32 sn_width; /* Signal/noise ratio for width events */ 142f786bba4SBenjamin Tissoires __s32 sn_height; /* Signal/noise ratio for height events */ 1435519cab4SBenjamin Tissoires __s32 sn_pressure; /* Signal/noise ratio for pressure events */ 1445519cab4SBenjamin Tissoires __u8 maxcontacts; 145c2ef8f21SBenjamin Tissoires bool is_indirect; /* true for touchpads */ 1466aef704eSBenjamin Tissoires bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ 1475519cab4SBenjamin Tissoires }; 1485519cab4SBenjamin Tissoires 1498dfe14b3SBenjamin Tissoires struct mt_report_data { 1508dfe14b3SBenjamin Tissoires struct list_head list; 1518dfe14b3SBenjamin Tissoires struct hid_report *report; 1528dfe14b3SBenjamin Tissoires struct mt_application *application; 1538dfe14b3SBenjamin Tissoires bool is_mt_collection; 1548dfe14b3SBenjamin Tissoires }; 1558dfe14b3SBenjamin Tissoires 1565519cab4SBenjamin Tissoires struct mt_device { 157eec29e3dSBenjamin Tissoires struct mt_class mtclass; /* our mt device class */ 1584f4001bcSBenjamin Tissoires struct timer_list release_timer; /* to release sticky fingers */ 1590ee32774SKees Cook struct hid_device *hdev; /* hid_device we're attached to */ 1604f4001bcSBenjamin Tissoires unsigned long mt_io_flags; /* mt flags (MT_IO_FLAGS_*) */ 1619abebedbSAndrew Duggan __u8 inputmode_value; /* InputMode HID feature value */ 1625519cab4SBenjamin Tissoires __u8 maxcontacts; 1632c6e0277SSeth Forshee bool is_buttonpad; /* is this device a button pad? */ 16476f5902aSHenrik Rydberg bool serial_maybe; /* need to check for serial protocol */ 165f146d1c4SBenjamin Tissoires 166f146d1c4SBenjamin Tissoires struct list_head applications; 1678dfe14b3SBenjamin Tissoires struct list_head reports; 1685519cab4SBenjamin Tissoires }; 1695519cab4SBenjamin Tissoires 170f146d1c4SBenjamin Tissoires static void mt_post_parse_default_settings(struct mt_device *td, 171f146d1c4SBenjamin Tissoires struct mt_application *app); 172f146d1c4SBenjamin Tissoires static void mt_post_parse(struct mt_device *td, struct mt_application *app); 173a69c5f8bSBenjamin Tissoires 1745519cab4SBenjamin Tissoires /* classes of device behavior */ 17522408283SBenjamin Tissoires #define MT_CLS_DEFAULT 0x0001 17622408283SBenjamin Tissoires 177a062cc5aSStephane Chatty #define MT_CLS_SERIAL 0x0002 178a062cc5aSStephane Chatty #define MT_CLS_CONFIDENCE 0x0003 1795e7ea11fSBenjamin Tissoires #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 1805e7ea11fSBenjamin Tissoires #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 1815e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 1825e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 1830fa9c616SBenjamin Tissoires /* reserved 0x0008 */ 184b7ea95ffSAaron Tian #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 185dc3e1d80SBenjamin Tissoires #define MT_CLS_NSMU 0x000a 1860fa9c616SBenjamin Tissoires /* reserved 0x0010 */ 1870fa9c616SBenjamin Tissoires /* reserved 0x0011 */ 188f961bd35SBenjamin Tissoires #define MT_CLS_WIN_8 0x0012 1896aef704eSBenjamin Tissoires #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 190504c932cSMasaki Ota #define MT_CLS_WIN_8_DUAL 0x0014 19122408283SBenjamin Tissoires 19222408283SBenjamin Tissoires /* vendor specific classes */ 19322408283SBenjamin Tissoires #define MT_CLS_3M 0x0101 1940fa9c616SBenjamin Tissoires /* reserved 0x0102 */ 19522408283SBenjamin Tissoires #define MT_CLS_EGALAX 0x0103 1961b723e8dSBenjamin Tissoires #define MT_CLS_EGALAX_SERIAL 0x0104 197847672cdSBenjamin Tissoires #define MT_CLS_TOPSEED 0x0105 1982258e863SDenis Kovalev #define MT_CLS_PANASONIC 0x0106 19977723e3bSHenrik Rydberg #define MT_CLS_FLATFROG 0x0107 200cdcd3ac4SJiri Kosina #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 201cdcd3ac4SJiri Kosina #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 202f3287a99SBenjamin Tissoires #define MT_CLS_LG 0x010a 203957b8dffSJoão Paulo Rechi Vita #define MT_CLS_ASUS 0x010b 204da10bc25SMathieu Magnaudet #define MT_CLS_VTL 0x0110 2050e82232cSWei-Ning Huang #define MT_CLS_GOOGLE 0x0111 206843e475fSBenjamin Tissoires #define MT_CLS_RAZER_BLADE_STEALTH 0x0112 2075519cab4SBenjamin Tissoires 2089498f954SBenjamin Tissoires #define MT_DEFAULT_MAXCONTACT 10 209afbcb04cSBenjamin Tissoires #define MT_MAX_MAXCONTACT 250 2109498f954SBenjamin Tissoires 21129cc309dSNicolas Boichat /* 21229cc309dSNicolas Boichat * Resync device and local timestamps after that many microseconds without 21329cc309dSNicolas Boichat * receiving data. 21429cc309dSNicolas Boichat */ 21529cc309dSNicolas Boichat #define MAX_TIMESTAMP_INTERVAL 1000000 21629cc309dSNicolas Boichat 2172c2110e9SHenrik Rydberg #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) 2182c2110e9SHenrik Rydberg #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) 2192c2110e9SHenrik Rydberg 2205519cab4SBenjamin Tissoires /* 2215519cab4SBenjamin Tissoires * these device-dependent functions determine what slot corresponds 2225519cab4SBenjamin Tissoires * to a valid contact that was just read. 2235519cab4SBenjamin Tissoires */ 2245519cab4SBenjamin Tissoires 225*01eaac7eSBenjamin Tissoires static int cypress_compute_slot(struct mt_application *application, 226*01eaac7eSBenjamin Tissoires struct mt_usages *slot) 227a3b5e577SBenjamin Tissoires { 228*01eaac7eSBenjamin Tissoires if (*slot->contactid != 0 || application->num_received == 0) 229*01eaac7eSBenjamin Tissoires return *slot->contactid; 230a3b5e577SBenjamin Tissoires else 231a3b5e577SBenjamin Tissoires return -1; 232a3b5e577SBenjamin Tissoires } 233a3b5e577SBenjamin Tissoires 234cf6d15d7SBenjamin Tissoires static const struct mt_class mt_classes[] = { 2352d93666eSBenjamin Tissoires { .name = MT_CLS_DEFAULT, 236dc3e1d80SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 237dc3e1d80SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE }, 238dc3e1d80SBenjamin Tissoires { .name = MT_CLS_NSMU, 2399498f954SBenjamin Tissoires .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, 240a062cc5aSStephane Chatty { .name = MT_CLS_SERIAL, 241a062cc5aSStephane Chatty .quirks = MT_QUIRK_ALWAYS_VALID}, 24222408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE, 24322408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, 2445e7ea11fSBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_CONTACT_ID, 2455e7ea11fSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 2465e7ea11fSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID }, 24722408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_MINUS_ONE, 24822408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 24922408283SBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, 2501e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTID, 2512d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 2522d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID, 2532d93666eSBenjamin Tissoires .maxcontacts = 2 }, 2541e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 2552d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 2562d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTNUMBER, 2572d93666eSBenjamin Tissoires .maxcontacts = 2 }, 258b7ea95ffSAaron Tian { .name = MT_CLS_INRANGE_CONTACTNUMBER, 259b7ea95ffSAaron Tian .quirks = MT_QUIRK_VALID_IS_INRANGE | 260b7ea95ffSAaron Tian MT_QUIRK_SLOT_IS_CONTACTNUMBER }, 261f961bd35SBenjamin Tissoires { .name = MT_CLS_WIN_8, 262f961bd35SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 263f961bd35SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 264f961bd35SBenjamin Tissoires MT_QUIRK_HOVERING | 2654f4001bcSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 266d9c57a70SBenjamin Tissoires MT_QUIRK_STICKY_FINGERS | 267d9c57a70SBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS }, 2686aef704eSBenjamin Tissoires { .name = MT_CLS_EXPORT_ALL_INPUTS, 2696aef704eSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 2706aef704eSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE, 2716aef704eSBenjamin Tissoires .export_all_inputs = true }, 272504c932cSMasaki Ota { .name = MT_CLS_WIN_8_DUAL, 273504c932cSMasaki Ota .quirks = MT_QUIRK_ALWAYS_VALID | 274504c932cSMasaki Ota MT_QUIRK_IGNORE_DUPLICATES | 275504c932cSMasaki Ota MT_QUIRK_HOVERING | 276d9c57a70SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 277d9c57a70SBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS, 278504c932cSMasaki Ota .export_all_inputs = true }, 27922408283SBenjamin Tissoires 28022408283SBenjamin Tissoires /* 28122408283SBenjamin Tissoires * vendor specific classes 28222408283SBenjamin Tissoires */ 28322408283SBenjamin Tissoires { .name = MT_CLS_3M, 28422408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 285e9d0a26dSHungNien Chen MT_QUIRK_SLOT_IS_CONTACTID | 286e9d0a26dSHungNien Chen MT_QUIRK_TOUCH_SIZE_SCALING, 28722408283SBenjamin Tissoires .sn_move = 2048, 28822408283SBenjamin Tissoires .sn_width = 128, 289c5d40be5SHenrik Rydberg .sn_height = 128, 290c5d40be5SHenrik Rydberg .maxcontacts = 60, 291c5d40be5SHenrik Rydberg }, 2924875ac11SRichard Nauber { .name = MT_CLS_EGALAX, 2934875ac11SRichard Nauber .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 2942261bb9fSBenjamin Tissoires MT_QUIRK_VALID_IS_INRANGE, 2954875ac11SRichard Nauber .sn_move = 4096, 2964875ac11SRichard Nauber .sn_pressure = 32, 2974875ac11SRichard Nauber }, 2981b723e8dSBenjamin Tissoires { .name = MT_CLS_EGALAX_SERIAL, 2991b723e8dSBenjamin Tissoires .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 3001b723e8dSBenjamin Tissoires MT_QUIRK_ALWAYS_VALID, 3012d93666eSBenjamin Tissoires .sn_move = 4096, 3022d93666eSBenjamin Tissoires .sn_pressure = 32, 3032d93666eSBenjamin Tissoires }, 304847672cdSBenjamin Tissoires { .name = MT_CLS_TOPSEED, 305847672cdSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID, 306847672cdSBenjamin Tissoires .is_indirect = true, 307847672cdSBenjamin Tissoires .maxcontacts = 2, 308847672cdSBenjamin Tissoires }, 3092258e863SDenis Kovalev { .name = MT_CLS_PANASONIC, 3102258e863SDenis Kovalev .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, 3112258e863SDenis Kovalev .maxcontacts = 4 }, 312f5ff4e1eSXianhan Yu { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, 313f5ff4e1eSXianhan Yu .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 314f5ff4e1eSXianhan Yu MT_QUIRK_VALID_IS_INRANGE | 3157b226292SLuosong MT_QUIRK_SLOT_IS_CONTACTID, 316f5ff4e1eSXianhan Yu .maxcontacts = 2 317f5ff4e1eSXianhan Yu }, 318f5ff4e1eSXianhan Yu { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 319f5ff4e1eSXianhan Yu .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 3207b226292SLuosong MT_QUIRK_SLOT_IS_CONTACTID 321f5ff4e1eSXianhan Yu }, 322043b403aSBenjamin Tissoires 32377723e3bSHenrik Rydberg { .name = MT_CLS_FLATFROG, 32477723e3bSHenrik Rydberg .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 32577723e3bSHenrik Rydberg MT_QUIRK_NO_AREA, 32677723e3bSHenrik Rydberg .sn_move = 2048, 32777723e3bSHenrik Rydberg .maxcontacts = 40, 32877723e3bSHenrik Rydberg }, 329f3287a99SBenjamin Tissoires { .name = MT_CLS_LG, 330f3287a99SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 331f3287a99SBenjamin Tissoires MT_QUIRK_FIX_CONST_CONTACT_ID | 332f3287a99SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 333f3287a99SBenjamin Tissoires MT_QUIRK_HOVERING | 334f3287a99SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE }, 335957b8dffSJoão Paulo Rechi Vita { .name = MT_CLS_ASUS, 336957b8dffSJoão Paulo Rechi Vita .quirks = MT_QUIRK_ALWAYS_VALID | 337957b8dffSJoão Paulo Rechi Vita MT_QUIRK_CONTACT_CNT_ACCURATE | 338957b8dffSJoão Paulo Rechi Vita MT_QUIRK_ASUS_CUSTOM_UP }, 339da10bc25SMathieu Magnaudet { .name = MT_CLS_VTL, 340da10bc25SMathieu Magnaudet .quirks = MT_QUIRK_ALWAYS_VALID | 341da10bc25SMathieu Magnaudet MT_QUIRK_CONTACT_CNT_ACCURATE | 342da10bc25SMathieu Magnaudet MT_QUIRK_FORCE_GET_FEATURE, 343da10bc25SMathieu Magnaudet }, 3440e82232cSWei-Ning Huang { .name = MT_CLS_GOOGLE, 3450e82232cSWei-Ning Huang .quirks = MT_QUIRK_ALWAYS_VALID | 3460e82232cSWei-Ning Huang MT_QUIRK_CONTACT_CNT_ACCURATE | 3470e82232cSWei-Ning Huang MT_QUIRK_SLOT_IS_CONTACTID | 3480e82232cSWei-Ning Huang MT_QUIRK_HOVERING 3490e82232cSWei-Ning Huang }, 350843e475fSBenjamin Tissoires { .name = MT_CLS_RAZER_BLADE_STEALTH, 351843e475fSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 352843e475fSBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 353843e475fSBenjamin Tissoires MT_QUIRK_HOVERING | 354843e475fSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 355843e475fSBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS, 356843e475fSBenjamin Tissoires }, 3572d93666eSBenjamin Tissoires { } 3585519cab4SBenjamin Tissoires }; 3595519cab4SBenjamin Tissoires 360eec29e3dSBenjamin Tissoires static ssize_t mt_show_quirks(struct device *dev, 361eec29e3dSBenjamin Tissoires struct device_attribute *attr, 362eec29e3dSBenjamin Tissoires char *buf) 363eec29e3dSBenjamin Tissoires { 364ee79a8f8SGeliang Tang struct hid_device *hdev = to_hid_device(dev); 365eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 366eec29e3dSBenjamin Tissoires 367eec29e3dSBenjamin Tissoires return sprintf(buf, "%u\n", td->mtclass.quirks); 368eec29e3dSBenjamin Tissoires } 369eec29e3dSBenjamin Tissoires 370eec29e3dSBenjamin Tissoires static ssize_t mt_set_quirks(struct device *dev, 371eec29e3dSBenjamin Tissoires struct device_attribute *attr, 372eec29e3dSBenjamin Tissoires const char *buf, size_t count) 373eec29e3dSBenjamin Tissoires { 374ee79a8f8SGeliang Tang struct hid_device *hdev = to_hid_device(dev); 375eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 376f146d1c4SBenjamin Tissoires struct mt_application *application; 377eec29e3dSBenjamin Tissoires 378eec29e3dSBenjamin Tissoires unsigned long val; 379eec29e3dSBenjamin Tissoires 380eec29e3dSBenjamin Tissoires if (kstrtoul(buf, 0, &val)) 381eec29e3dSBenjamin Tissoires return -EINVAL; 382eec29e3dSBenjamin Tissoires 383eec29e3dSBenjamin Tissoires td->mtclass.quirks = val; 384eec29e3dSBenjamin Tissoires 385f146d1c4SBenjamin Tissoires list_for_each_entry(application, &td->applications, list) { 3863ceb3826SBenjamin Tissoires application->quirks = val; 3873ceb3826SBenjamin Tissoires if (!application->have_contact_count) 3883ceb3826SBenjamin Tissoires application->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 389f146d1c4SBenjamin Tissoires } 390f146d1c4SBenjamin Tissoires 391eec29e3dSBenjamin Tissoires return count; 392eec29e3dSBenjamin Tissoires } 393eec29e3dSBenjamin Tissoires 394eec29e3dSBenjamin Tissoires static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); 395eec29e3dSBenjamin Tissoires 396eec29e3dSBenjamin Tissoires static struct attribute *sysfs_attrs[] = { 397eec29e3dSBenjamin Tissoires &dev_attr_quirks.attr, 398eec29e3dSBenjamin Tissoires NULL 399eec29e3dSBenjamin Tissoires }; 400eec29e3dSBenjamin Tissoires 4019182fb98SArvind Yadav static const struct attribute_group mt_attribute_group = { 402eec29e3dSBenjamin Tissoires .attrs = sysfs_attrs 403eec29e3dSBenjamin Tissoires }; 404eec29e3dSBenjamin Tissoires 4056d4f5440SMika Westerberg static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) 4066d4f5440SMika Westerberg { 4073064a03bSAaron Ma int ret; 4083064a03bSAaron Ma u32 size = hid_report_len(report); 4096d4f5440SMika Westerberg u8 *buf; 4106d4f5440SMika Westerberg 4116d4f5440SMika Westerberg /* 412b897f6dbSBenjamin Tissoires * Do not fetch the feature report if the device has been explicitly 413b897f6dbSBenjamin Tissoires * marked as non-capable. 4146d4f5440SMika Westerberg */ 415adaabbf4SBenjamin Tissoires if (hdev->quirks & HID_QUIRK_NO_INIT_REPORTS) 4166d4f5440SMika Westerberg return; 4176d4f5440SMika Westerberg 4186d4f5440SMika Westerberg buf = hid_alloc_report_buf(report, GFP_KERNEL); 4196d4f5440SMika Westerberg if (!buf) 4206d4f5440SMika Westerberg return; 4216d4f5440SMika Westerberg 4226d4f5440SMika Westerberg ret = hid_hw_raw_request(hdev, report->id, buf, size, 4236d4f5440SMika Westerberg HID_FEATURE_REPORT, HID_REQ_GET_REPORT); 4246d4f5440SMika Westerberg if (ret < 0) { 4256d4f5440SMika Westerberg dev_warn(&hdev->dev, "failed to fetch feature %d\n", 4266d4f5440SMika Westerberg report->id); 4276d4f5440SMika Westerberg } else { 4286d4f5440SMika Westerberg ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, 4296d4f5440SMika Westerberg size, 0); 4306d4f5440SMika Westerberg if (ret) 4316d4f5440SMika Westerberg dev_warn(&hdev->dev, "failed to report feature\n"); 4326d4f5440SMika Westerberg } 4336d4f5440SMika Westerberg 4346d4f5440SMika Westerberg kfree(buf); 4356d4f5440SMika Westerberg } 4366d4f5440SMika Westerberg 437f635bd11SHenrik Rydberg static void mt_feature_mapping(struct hid_device *hdev, 4385519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage) 4395519cab4SBenjamin Tissoires { 4405519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 4419498f954SBenjamin Tissoires 4429498f954SBenjamin Tissoires switch (usage->hid) { 4439498f954SBenjamin Tissoires case HID_DG_CONTACTMAX: 4446d4f5440SMika Westerberg mt_get_feature(hdev, field->report); 4456d4f5440SMika Westerberg 4469498f954SBenjamin Tissoires td->maxcontacts = field->value[0]; 447afbcb04cSBenjamin Tissoires if (!td->maxcontacts && 448afbcb04cSBenjamin Tissoires field->logical_maximum <= MT_MAX_MAXCONTACT) 449afbcb04cSBenjamin Tissoires td->maxcontacts = field->logical_maximum; 450eec29e3dSBenjamin Tissoires if (td->mtclass.maxcontacts) 4519498f954SBenjamin Tissoires /* check if the maxcontacts is given by the class */ 452eec29e3dSBenjamin Tissoires td->maxcontacts = td->mtclass.maxcontacts; 4539498f954SBenjamin Tissoires 4549498f954SBenjamin Tissoires break; 4552c6e0277SSeth Forshee case HID_DG_BUTTONTYPE: 4562c6e0277SSeth Forshee if (usage->usage_index >= field->report_count) { 4572c6e0277SSeth Forshee dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); 4582c6e0277SSeth Forshee break; 4592c6e0277SSeth Forshee } 4602c6e0277SSeth Forshee 4616d4f5440SMika Westerberg mt_get_feature(hdev, field->report); 4622c6e0277SSeth Forshee if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) 4632c6e0277SSeth Forshee td->is_buttonpad = true; 4642c6e0277SSeth Forshee 4652c6e0277SSeth Forshee break; 46645c5c682SBenjamin Tissoires case 0xff0000c5: 46745c5c682SBenjamin Tissoires /* Retrieve the Win8 blob once to enable some devices */ 46845c5c682SBenjamin Tissoires if (usage->usage_index == 0) 46945c5c682SBenjamin Tissoires mt_get_feature(hdev, field->report); 47045c5c682SBenjamin Tissoires break; 4715519cab4SBenjamin Tissoires } 4725519cab4SBenjamin Tissoires } 4735519cab4SBenjamin Tissoires 4745519cab4SBenjamin Tissoires static void set_abs(struct input_dev *input, unsigned int code, 4755519cab4SBenjamin Tissoires struct hid_field *field, int snratio) 4765519cab4SBenjamin Tissoires { 4775519cab4SBenjamin Tissoires int fmin = field->logical_minimum; 4785519cab4SBenjamin Tissoires int fmax = field->logical_maximum; 4795519cab4SBenjamin Tissoires int fuzz = snratio ? (fmax - fmin) / snratio : 0; 4805519cab4SBenjamin Tissoires input_set_abs_params(input, code, fmin, fmax, fuzz, 0); 48137cf6e6fSBenjamin Tissoires input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); 4825519cab4SBenjamin Tissoires } 4835519cab4SBenjamin Tissoires 484*01eaac7eSBenjamin Tissoires static struct mt_usages *mt_allocate_usage(struct hid_device *hdev, 485*01eaac7eSBenjamin Tissoires struct mt_application *application) 486*01eaac7eSBenjamin Tissoires { 487*01eaac7eSBenjamin Tissoires struct mt_usages *usage; 488*01eaac7eSBenjamin Tissoires 489*01eaac7eSBenjamin Tissoires usage = devm_kzalloc(&hdev->dev, sizeof(*usage), GFP_KERNEL); 490*01eaac7eSBenjamin Tissoires if (!usage) 491*01eaac7eSBenjamin Tissoires return NULL; 492*01eaac7eSBenjamin Tissoires 493*01eaac7eSBenjamin Tissoires /* set some defaults so we do not need to check for null pointers */ 494*01eaac7eSBenjamin Tissoires usage->x = DEFAULT_ZERO; 495*01eaac7eSBenjamin Tissoires usage->y = DEFAULT_ZERO; 496*01eaac7eSBenjamin Tissoires usage->cx = DEFAULT_ZERO; 497*01eaac7eSBenjamin Tissoires usage->cy = DEFAULT_ZERO; 498*01eaac7eSBenjamin Tissoires usage->p = DEFAULT_ZERO; 499*01eaac7eSBenjamin Tissoires usage->w = DEFAULT_ZERO; 500*01eaac7eSBenjamin Tissoires usage->h = DEFAULT_ZERO; 501*01eaac7eSBenjamin Tissoires usage->a = DEFAULT_ZERO; 502*01eaac7eSBenjamin Tissoires usage->contactid = DEFAULT_ZERO; 503*01eaac7eSBenjamin Tissoires usage->tip_state = DEFAULT_FALSE; 504*01eaac7eSBenjamin Tissoires usage->inrange_state = DEFAULT_FALSE; 505*01eaac7eSBenjamin Tissoires usage->confidence_state = DEFAULT_TRUE; 506*01eaac7eSBenjamin Tissoires 507*01eaac7eSBenjamin Tissoires list_add_tail(&usage->list, &application->mt_usages); 508*01eaac7eSBenjamin Tissoires 509*01eaac7eSBenjamin Tissoires return usage; 510*01eaac7eSBenjamin Tissoires } 511*01eaac7eSBenjamin Tissoires 512f146d1c4SBenjamin Tissoires static struct mt_application *mt_allocate_application(struct mt_device *td, 513f146d1c4SBenjamin Tissoires unsigned int application) 514f146d1c4SBenjamin Tissoires { 515f146d1c4SBenjamin Tissoires struct mt_application *mt_application; 516f146d1c4SBenjamin Tissoires 517f146d1c4SBenjamin Tissoires mt_application = devm_kzalloc(&td->hdev->dev, sizeof(*mt_application), 518f146d1c4SBenjamin Tissoires GFP_KERNEL); 519f146d1c4SBenjamin Tissoires if (!mt_application) 520f146d1c4SBenjamin Tissoires return NULL; 521f146d1c4SBenjamin Tissoires 522f146d1c4SBenjamin Tissoires mt_application->application = application; 523*01eaac7eSBenjamin Tissoires INIT_LIST_HEAD(&mt_application->mt_usages); 524f146d1c4SBenjamin Tissoires 525f146d1c4SBenjamin Tissoires if (application == HID_DG_TOUCHSCREEN) 526f146d1c4SBenjamin Tissoires mt_application->mt_flags |= INPUT_MT_DIRECT; 527f146d1c4SBenjamin Tissoires 528f146d1c4SBenjamin Tissoires /* 529f146d1c4SBenjamin Tissoires * Model touchscreens providing buttons as touchpads. 530f146d1c4SBenjamin Tissoires */ 531f146d1c4SBenjamin Tissoires if (application == HID_DG_TOUCHPAD) { 532f146d1c4SBenjamin Tissoires mt_application->mt_flags |= INPUT_MT_POINTER; 533f146d1c4SBenjamin Tissoires td->inputmode_value = MT_INPUTMODE_TOUCHPAD; 534f146d1c4SBenjamin Tissoires } 535f146d1c4SBenjamin Tissoires 536*01eaac7eSBenjamin Tissoires mt_application->scantime = DEFAULT_ZERO; 537*01eaac7eSBenjamin Tissoires mt_application->raw_cc = DEFAULT_ZERO; 5383ceb3826SBenjamin Tissoires mt_application->quirks = td->mtclass.quirks; 539f146d1c4SBenjamin Tissoires 540f146d1c4SBenjamin Tissoires list_add_tail(&mt_application->list, &td->applications); 541f146d1c4SBenjamin Tissoires 542f146d1c4SBenjamin Tissoires return mt_application; 543f146d1c4SBenjamin Tissoires } 544f146d1c4SBenjamin Tissoires 545f146d1c4SBenjamin Tissoires static struct mt_application *mt_find_application(struct mt_device *td, 546f146d1c4SBenjamin Tissoires unsigned int application) 547f146d1c4SBenjamin Tissoires { 548f146d1c4SBenjamin Tissoires struct mt_application *tmp, *mt_application = NULL; 549f146d1c4SBenjamin Tissoires 550f146d1c4SBenjamin Tissoires list_for_each_entry(tmp, &td->applications, list) { 551f146d1c4SBenjamin Tissoires if (application == tmp->application) { 552f146d1c4SBenjamin Tissoires mt_application = tmp; 553f146d1c4SBenjamin Tissoires break; 554f146d1c4SBenjamin Tissoires } 555f146d1c4SBenjamin Tissoires } 556f146d1c4SBenjamin Tissoires 557f146d1c4SBenjamin Tissoires if (!mt_application) 558f146d1c4SBenjamin Tissoires mt_application = mt_allocate_application(td, application); 559f146d1c4SBenjamin Tissoires 560f146d1c4SBenjamin Tissoires return mt_application; 561f146d1c4SBenjamin Tissoires } 562f146d1c4SBenjamin Tissoires 5638dfe14b3SBenjamin Tissoires static struct mt_report_data *mt_allocate_report_data(struct mt_device *td, 5648dfe14b3SBenjamin Tissoires struct hid_report *report) 5658dfe14b3SBenjamin Tissoires { 5668dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 5678dfe14b3SBenjamin Tissoires struct hid_field *field; 5688dfe14b3SBenjamin Tissoires int r, n; 5698dfe14b3SBenjamin Tissoires 5708dfe14b3SBenjamin Tissoires rdata = devm_kzalloc(&td->hdev->dev, sizeof(*rdata), GFP_KERNEL); 5718dfe14b3SBenjamin Tissoires if (!rdata) 5728dfe14b3SBenjamin Tissoires return NULL; 5738dfe14b3SBenjamin Tissoires 5748dfe14b3SBenjamin Tissoires rdata->report = report; 5758dfe14b3SBenjamin Tissoires rdata->application = mt_find_application(td, report->application); 5768dfe14b3SBenjamin Tissoires 5778dfe14b3SBenjamin Tissoires if (!rdata->application) { 5788dfe14b3SBenjamin Tissoires devm_kfree(&td->hdev->dev, rdata); 5798dfe14b3SBenjamin Tissoires return NULL; 5808dfe14b3SBenjamin Tissoires } 5818dfe14b3SBenjamin Tissoires 5828dfe14b3SBenjamin Tissoires for (r = 0; r < report->maxfield; r++) { 5838dfe14b3SBenjamin Tissoires field = report->field[r]; 5848dfe14b3SBenjamin Tissoires 5858dfe14b3SBenjamin Tissoires if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) 5868dfe14b3SBenjamin Tissoires continue; 5878dfe14b3SBenjamin Tissoires 5888dfe14b3SBenjamin Tissoires for (n = 0; n < field->report_count; n++) { 5898dfe14b3SBenjamin Tissoires if (field->usage[n].hid == HID_DG_CONTACTID) 5908dfe14b3SBenjamin Tissoires rdata->is_mt_collection = true; 5918dfe14b3SBenjamin Tissoires } 5928dfe14b3SBenjamin Tissoires } 5938dfe14b3SBenjamin Tissoires 5948dfe14b3SBenjamin Tissoires list_add_tail(&rdata->list, &td->reports); 5958dfe14b3SBenjamin Tissoires 5968dfe14b3SBenjamin Tissoires return rdata; 5978dfe14b3SBenjamin Tissoires } 5988dfe14b3SBenjamin Tissoires 5998dfe14b3SBenjamin Tissoires static struct mt_report_data *mt_find_report_data(struct mt_device *td, 6008dfe14b3SBenjamin Tissoires struct hid_report *report) 6018dfe14b3SBenjamin Tissoires { 6028dfe14b3SBenjamin Tissoires struct mt_report_data *tmp, *rdata = NULL; 6038dfe14b3SBenjamin Tissoires 6048dfe14b3SBenjamin Tissoires list_for_each_entry(tmp, &td->reports, list) { 6058dfe14b3SBenjamin Tissoires if (report == tmp->report) { 6068dfe14b3SBenjamin Tissoires rdata = tmp; 6078dfe14b3SBenjamin Tissoires break; 6088dfe14b3SBenjamin Tissoires } 6098dfe14b3SBenjamin Tissoires } 6108dfe14b3SBenjamin Tissoires 6118dfe14b3SBenjamin Tissoires if (!rdata) 6128dfe14b3SBenjamin Tissoires rdata = mt_allocate_report_data(td, report); 6138dfe14b3SBenjamin Tissoires 6148dfe14b3SBenjamin Tissoires return rdata; 6158dfe14b3SBenjamin Tissoires } 6168dfe14b3SBenjamin Tissoires 617*01eaac7eSBenjamin Tissoires static void mt_store_field(struct hid_device *hdev, 618*01eaac7eSBenjamin Tissoires struct mt_application *application, 619*01eaac7eSBenjamin Tissoires __s32 *value, 620*01eaac7eSBenjamin Tissoires size_t offset) 621ed9d5c96SBenjamin Tissoires { 622*01eaac7eSBenjamin Tissoires struct mt_usages *usage; 623*01eaac7eSBenjamin Tissoires __s32 **target; 6243ac36d15SBenjamin Tissoires 625*01eaac7eSBenjamin Tissoires if (list_empty(&application->mt_usages)) 626*01eaac7eSBenjamin Tissoires usage = mt_allocate_usage(hdev, application); 627*01eaac7eSBenjamin Tissoires else 628*01eaac7eSBenjamin Tissoires usage = list_last_entry(&application->mt_usages, 629*01eaac7eSBenjamin Tissoires struct mt_usages, 630*01eaac7eSBenjamin Tissoires list); 631*01eaac7eSBenjamin Tissoires 632*01eaac7eSBenjamin Tissoires if (!usage) 6333ac36d15SBenjamin Tissoires return; 6343ac36d15SBenjamin Tissoires 635*01eaac7eSBenjamin Tissoires target = (__s32 **)((char *)usage + offset); 636*01eaac7eSBenjamin Tissoires 637*01eaac7eSBenjamin Tissoires /* the value has already been filled, create a new slot */ 638*01eaac7eSBenjamin Tissoires if (*target != DEFAULT_TRUE && 639*01eaac7eSBenjamin Tissoires *target != DEFAULT_FALSE && 640*01eaac7eSBenjamin Tissoires *target != DEFAULT_ZERO) { 641*01eaac7eSBenjamin Tissoires usage = mt_allocate_usage(hdev, application); 642*01eaac7eSBenjamin Tissoires if (!usage) 643*01eaac7eSBenjamin Tissoires return; 644*01eaac7eSBenjamin Tissoires 645*01eaac7eSBenjamin Tissoires target = (__s32 **)((char *)usage + offset); 646ed9d5c96SBenjamin Tissoires } 647ed9d5c96SBenjamin Tissoires 648*01eaac7eSBenjamin Tissoires *target = value; 649*01eaac7eSBenjamin Tissoires } 650*01eaac7eSBenjamin Tissoires 651*01eaac7eSBenjamin Tissoires #define MT_STORE_FIELD(__name) \ 652*01eaac7eSBenjamin Tissoires mt_store_field(hdev, app, \ 653*01eaac7eSBenjamin Tissoires &field->value[usage->usage_index], \ 654*01eaac7eSBenjamin Tissoires offsetof(struct mt_usages, __name)) 655*01eaac7eSBenjamin Tissoires 656a69c5f8bSBenjamin Tissoires static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, 6575519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 658f146d1c4SBenjamin Tissoires unsigned long **bit, int *max, struct mt_application *app) 6595519cab4SBenjamin Tissoires { 6605519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 661eec29e3dSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 662c2ef8f21SBenjamin Tissoires int code; 663349fd670SBenjamin Tissoires struct hid_usage *prev_usage = NULL; 6644875ac11SRichard Nauber 66576f5902aSHenrik Rydberg /* 66676f5902aSHenrik Rydberg * Model touchscreens providing buttons as touchpads. 667c2ef8f21SBenjamin Tissoires */ 668f146d1c4SBenjamin Tissoires if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { 669f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_POINTER; 6709abebedbSAndrew Duggan td->inputmode_value = MT_INPUTMODE_TOUCHPAD; 6719abebedbSAndrew Duggan } 672c2ef8f21SBenjamin Tissoires 673015fdaa9SBenjamin Tissoires /* count the buttons on touchpads */ 674015fdaa9SBenjamin Tissoires if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) 675f146d1c4SBenjamin Tissoires app->buttons_count++; 676015fdaa9SBenjamin Tissoires 677349fd670SBenjamin Tissoires if (usage->usage_index) 678349fd670SBenjamin Tissoires prev_usage = &field->usage[usage->usage_index - 1]; 679349fd670SBenjamin Tissoires 6805519cab4SBenjamin Tissoires switch (usage->hid & HID_USAGE_PAGE) { 6815519cab4SBenjamin Tissoires 6825519cab4SBenjamin Tissoires case HID_UP_GENDESK: 6835519cab4SBenjamin Tissoires switch (usage->hid) { 6845519cab4SBenjamin Tissoires case HID_GD_X: 685*01eaac7eSBenjamin Tissoires if (prev_usage && (prev_usage->hid == usage->hid)) { 686f146d1c4SBenjamin Tissoires code = ABS_MT_TOOL_X; 687*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(cx); 688*01eaac7eSBenjamin Tissoires } else { 689f146d1c4SBenjamin Tissoires code = ABS_MT_POSITION_X; 690*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(x); 691*01eaac7eSBenjamin Tissoires } 692349fd670SBenjamin Tissoires 693f146d1c4SBenjamin Tissoires set_abs(hi->input, code, field, cls->sn_move); 694*01eaac7eSBenjamin Tissoires 6955519cab4SBenjamin Tissoires return 1; 6965519cab4SBenjamin Tissoires case HID_GD_Y: 697*01eaac7eSBenjamin Tissoires if (prev_usage && (prev_usage->hid == usage->hid)) { 698f146d1c4SBenjamin Tissoires code = ABS_MT_TOOL_Y; 699*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(cy); 700*01eaac7eSBenjamin Tissoires } else { 701f146d1c4SBenjamin Tissoires code = ABS_MT_POSITION_Y; 702*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(y); 703*01eaac7eSBenjamin Tissoires } 704349fd670SBenjamin Tissoires 705f146d1c4SBenjamin Tissoires set_abs(hi->input, code, field, cls->sn_move); 706*01eaac7eSBenjamin Tissoires 7075519cab4SBenjamin Tissoires return 1; 7085519cab4SBenjamin Tissoires } 7095519cab4SBenjamin Tissoires return 0; 7105519cab4SBenjamin Tissoires 7115519cab4SBenjamin Tissoires case HID_UP_DIGITIZER: 7125519cab4SBenjamin Tissoires switch (usage->hid) { 7135519cab4SBenjamin Tissoires case HID_DG_INRANGE: 7143ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_HOVERING) { 7159b3bb9b8SBenjamin Tissoires input_set_abs_params(hi->input, 7169b3bb9b8SBenjamin Tissoires ABS_MT_DISTANCE, 0, 1, 0, 0); 7179b3bb9b8SBenjamin Tissoires } 718*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(inrange_state); 7195519cab4SBenjamin Tissoires return 1; 7205519cab4SBenjamin Tissoires case HID_DG_CONFIDENCE: 721504c932cSMasaki Ota if ((cls->name == MT_CLS_WIN_8 || 722504c932cSMasaki Ota cls->name == MT_CLS_WIN_8_DUAL) && 7236dd2e27aSAllen Hung field->application == HID_DG_TOUCHPAD) 7243ceb3826SBenjamin Tissoires app->quirks |= MT_QUIRK_CONFIDENCE; 725*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(confidence_state); 7265519cab4SBenjamin Tissoires return 1; 7275519cab4SBenjamin Tissoires case HID_DG_TIPSWITCH: 7285519cab4SBenjamin Tissoires input_set_capability(hi->input, EV_KEY, BTN_TOUCH); 729*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(tip_state); 7305519cab4SBenjamin Tissoires return 1; 7315519cab4SBenjamin Tissoires case HID_DG_CONTACTID: 732*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(contactid); 733f146d1c4SBenjamin Tissoires app->touches_by_report++; 7345519cab4SBenjamin Tissoires return 1; 7355519cab4SBenjamin Tissoires case HID_DG_WIDTH: 7363ceb3826SBenjamin Tissoires if (!(app->quirks & MT_QUIRK_NO_AREA)) 737f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, 738f786bba4SBenjamin Tissoires cls->sn_width); 739*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(w); 7405519cab4SBenjamin Tissoires return 1; 7415519cab4SBenjamin Tissoires case HID_DG_HEIGHT: 7423ceb3826SBenjamin Tissoires if (!(app->quirks & MT_QUIRK_NO_AREA)) { 743f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, 744f786bba4SBenjamin Tissoires cls->sn_height); 74500720277SWei-Ning Huang 74600720277SWei-Ning Huang /* 74700720277SWei-Ning Huang * Only set ABS_MT_ORIENTATION if it is not 74800720277SWei-Ning Huang * already set by the HID_DG_AZIMUTH usage. 74900720277SWei-Ning Huang */ 75000720277SWei-Ning Huang if (!test_bit(ABS_MT_ORIENTATION, 75100720277SWei-Ning Huang hi->input->absbit)) 7521e648a13SBenjamin Tissoires input_set_abs_params(hi->input, 7531e648a13SBenjamin Tissoires ABS_MT_ORIENTATION, 0, 1, 0, 0); 75477723e3bSHenrik Rydberg } 755*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(h); 7565519cab4SBenjamin Tissoires return 1; 7575519cab4SBenjamin Tissoires case HID_DG_TIPPRESSURE: 7585519cab4SBenjamin Tissoires set_abs(hi->input, ABS_MT_PRESSURE, field, 7595519cab4SBenjamin Tissoires cls->sn_pressure); 760*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(p); 7615519cab4SBenjamin Tissoires return 1; 76229cc309dSNicolas Boichat case HID_DG_SCANTIME: 76329cc309dSNicolas Boichat input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); 764*01eaac7eSBenjamin Tissoires app->scantime = &field->value[usage->usage_index]; 765*01eaac7eSBenjamin Tissoires app->scantime_logical_max = field->logical_maximum; 76629cc309dSNicolas Boichat return 1; 7675519cab4SBenjamin Tissoires case HID_DG_CONTACTCOUNT: 768*01eaac7eSBenjamin Tissoires app->have_contact_count = true; 769*01eaac7eSBenjamin Tissoires app->raw_cc = &field->value[usage->usage_index]; 7705519cab4SBenjamin Tissoires return 1; 77100720277SWei-Ning Huang case HID_DG_AZIMUTH: 77200720277SWei-Ning Huang /* 77300720277SWei-Ning Huang * Azimuth has the range of [0, MAX) representing a full 77400720277SWei-Ning Huang * revolution. Set ABS_MT_ORIENTATION to a quarter of 77500720277SWei-Ning Huang * MAX according the definition of ABS_MT_ORIENTATION 77600720277SWei-Ning Huang */ 77700720277SWei-Ning Huang input_set_abs_params(hi->input, ABS_MT_ORIENTATION, 77800720277SWei-Ning Huang -field->logical_maximum / 4, 77900720277SWei-Ning Huang field->logical_maximum / 4, 78000720277SWei-Ning Huang cls->sn_move ? 78100720277SWei-Ning Huang field->logical_maximum / cls->sn_move : 0, 0); 782*01eaac7eSBenjamin Tissoires MT_STORE_FIELD(a); 78300720277SWei-Ning Huang return 1; 7845519cab4SBenjamin Tissoires case HID_DG_CONTACTMAX: 785*01eaac7eSBenjamin Tissoires /* contact max are global to the report */ 7865519cab4SBenjamin Tissoires return -1; 787c2ef8f21SBenjamin Tissoires case HID_DG_TOUCH: 788c2ef8f21SBenjamin Tissoires /* Legacy devices use TIPSWITCH and not TOUCH. 789c2ef8f21SBenjamin Tissoires * Let's just ignore this field. */ 790c2ef8f21SBenjamin Tissoires return -1; 79165b258e9SAlan Cox } 7925519cab4SBenjamin Tissoires /* let hid-input decide for the others */ 7935519cab4SBenjamin Tissoires return 0; 7945519cab4SBenjamin Tissoires 795c2ef8f21SBenjamin Tissoires case HID_UP_BUTTON: 796c2ef8f21SBenjamin Tissoires code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); 797594312b8SBenjamin Tissoires /* 798594312b8SBenjamin Tissoires * MS PTP spec says that external buttons left and right have 799594312b8SBenjamin Tissoires * usages 2 and 3. 800594312b8SBenjamin Tissoires */ 8013ceb3826SBenjamin Tissoires if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && 802594312b8SBenjamin Tissoires field->application == HID_DG_TOUCHPAD && 803594312b8SBenjamin Tissoires (usage->hid & HID_USAGE) > 1) 804594312b8SBenjamin Tissoires code--; 805c2ef8f21SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, EV_KEY, code); 806c2ef8f21SBenjamin Tissoires input_set_capability(hi->input, EV_KEY, code); 807c2ef8f21SBenjamin Tissoires return 1; 808c2ef8f21SBenjamin Tissoires 8095519cab4SBenjamin Tissoires case 0xff000000: 8105519cab4SBenjamin Tissoires /* we do not want to map these: no input-oriented meaning */ 8115519cab4SBenjamin Tissoires return -1; 8125519cab4SBenjamin Tissoires } 8135519cab4SBenjamin Tissoires 8145519cab4SBenjamin Tissoires return 0; 8155519cab4SBenjamin Tissoires } 8165519cab4SBenjamin Tissoires 817f146d1c4SBenjamin Tissoires static int mt_compute_slot(struct mt_device *td, struct mt_application *app, 818*01eaac7eSBenjamin Tissoires struct mt_usages *slot, 819f146d1c4SBenjamin Tissoires struct input_dev *input) 8205519cab4SBenjamin Tissoires { 8213ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 8225519cab4SBenjamin Tissoires 8232d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) 824*01eaac7eSBenjamin Tissoires return *slot->contactid; 8255519cab4SBenjamin Tissoires 8262d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_CYPRESS) 827*01eaac7eSBenjamin Tissoires return cypress_compute_slot(app, slot); 828a3b5e577SBenjamin Tissoires 8292d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) 830f146d1c4SBenjamin Tissoires return app->num_received; 8315572da08SBenjamin Tissoires 8324a6ee685SBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) 833*01eaac7eSBenjamin Tissoires return *slot->contactid - 1; 8344a6ee685SBenjamin Tissoires 835*01eaac7eSBenjamin Tissoires return input_mt_get_slot_by_key(input, *slot->contactid); 8363e1b5015SHenrik Rydberg } 8373e1b5015SHenrik Rydberg 8383e1b5015SHenrik Rydberg /* 8393e1b5015SHenrik Rydberg * this function is called when a whole packet has been received and processed, 8403e1b5015SHenrik Rydberg * so that it can decide what to send to the input layer. 8413e1b5015SHenrik Rydberg */ 842f146d1c4SBenjamin Tissoires static void mt_sync_frame(struct mt_device *td, struct mt_application *app, 843f146d1c4SBenjamin Tissoires struct input_dev *input) 8443e1b5015SHenrik Rydberg { 8453ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) 846f146d1c4SBenjamin Tissoires input_event(input, EV_KEY, BTN_LEFT, app->left_button_state); 847127e71bdSHans de Goede 84876f5902aSHenrik Rydberg input_mt_sync_frame(input); 849f146d1c4SBenjamin Tissoires input_event(input, EV_MSC, MSC_TIMESTAMP, app->timestamp); 8505519cab4SBenjamin Tissoires input_sync(input); 851f146d1c4SBenjamin Tissoires app->num_received = 0; 852f146d1c4SBenjamin Tissoires app->left_button_state = 0; 853f146d1c4SBenjamin Tissoires 85496098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) 85596098274SBenjamin Tissoires set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); 85696098274SBenjamin Tissoires else 85796098274SBenjamin Tissoires clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); 85896098274SBenjamin Tissoires clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); 8595519cab4SBenjamin Tissoires } 8605519cab4SBenjamin Tissoires 861*01eaac7eSBenjamin Tissoires static int mt_compute_timestamp(struct mt_application *app, __s32 value) 86229cc309dSNicolas Boichat { 863f146d1c4SBenjamin Tissoires long delta = value - app->prev_scantime; 864f146d1c4SBenjamin Tissoires unsigned long jdelta = jiffies_to_usecs(jiffies - app->jiffies); 86529cc309dSNicolas Boichat 866f146d1c4SBenjamin Tissoires app->jiffies = jiffies; 86729cc309dSNicolas Boichat 86829cc309dSNicolas Boichat if (delta < 0) 869*01eaac7eSBenjamin Tissoires delta += app->scantime_logical_max; 87029cc309dSNicolas Boichat 87129cc309dSNicolas Boichat /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ 87229cc309dSNicolas Boichat delta *= 100; 87329cc309dSNicolas Boichat 87429cc309dSNicolas Boichat if (jdelta > MAX_TIMESTAMP_INTERVAL) 87529cc309dSNicolas Boichat /* No data received for a while, resync the timestamp. */ 87629cc309dSNicolas Boichat return 0; 87729cc309dSNicolas Boichat else 878f146d1c4SBenjamin Tissoires return app->timestamp + delta; 87929cc309dSNicolas Boichat } 88029cc309dSNicolas Boichat 881a69c5f8bSBenjamin Tissoires static int mt_touch_event(struct hid_device *hid, struct hid_field *field, 8825519cab4SBenjamin Tissoires struct hid_usage *usage, __s32 value) 8835519cab4SBenjamin Tissoires { 88455978fa9SBenjamin Tissoires /* we will handle the hidinput part later, now remains hiddev */ 88555978fa9SBenjamin Tissoires if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) 88655978fa9SBenjamin Tissoires hid->hiddev_hid_event(hid, field, usage, value); 88755978fa9SBenjamin Tissoires 88855978fa9SBenjamin Tissoires return 1; 88955978fa9SBenjamin Tissoires } 89055978fa9SBenjamin Tissoires 891*01eaac7eSBenjamin Tissoires static int mt_process_slot(struct mt_device *td, struct input_dev *input, 892*01eaac7eSBenjamin Tissoires struct mt_application *app, 893*01eaac7eSBenjamin Tissoires struct mt_usages *slot) 89455978fa9SBenjamin Tissoires { 895*01eaac7eSBenjamin Tissoires struct input_mt *mt = input->mt; 8963ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 897*01eaac7eSBenjamin Tissoires bool valid = true; 898*01eaac7eSBenjamin Tissoires bool confidence_state = true; 899*01eaac7eSBenjamin Tissoires bool inrange_state = false; 900*01eaac7eSBenjamin Tissoires int active; 901*01eaac7eSBenjamin Tissoires int slotnum; 9025519cab4SBenjamin Tissoires 903*01eaac7eSBenjamin Tissoires if (!slot) 904*01eaac7eSBenjamin Tissoires return -EINVAL; 905*01eaac7eSBenjamin Tissoires 906*01eaac7eSBenjamin Tissoires if ((quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && 907*01eaac7eSBenjamin Tissoires app->num_received >= app->num_expected) 908*01eaac7eSBenjamin Tissoires return -EAGAIN; 909*01eaac7eSBenjamin Tissoires 910*01eaac7eSBenjamin Tissoires if (!(quirks & MT_QUIRK_ALWAYS_VALID)) { 91120b60e6dSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_INRANGE) 912*01eaac7eSBenjamin Tissoires valid = *slot->inrange_state; 9132d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 914*01eaac7eSBenjamin Tissoires valid = *slot->tip_state; 9152d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) 916*01eaac7eSBenjamin Tissoires valid = *slot->confidence_state; 917*01eaac7eSBenjamin Tissoires 918*01eaac7eSBenjamin Tissoires if (!valid) 919*01eaac7eSBenjamin Tissoires return 0; 920*01eaac7eSBenjamin Tissoires } 921*01eaac7eSBenjamin Tissoires 922*01eaac7eSBenjamin Tissoires slotnum = mt_compute_slot(td, app, slot, input); 923*01eaac7eSBenjamin Tissoires if (slotnum < 0 || slotnum >= td->maxcontacts) 924*01eaac7eSBenjamin Tissoires return 0; 925*01eaac7eSBenjamin Tissoires 926*01eaac7eSBenjamin Tissoires if ((quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { 927*01eaac7eSBenjamin Tissoires struct input_mt_slot *i_slot = &mt->slots[slotnum]; 928*01eaac7eSBenjamin Tissoires 929*01eaac7eSBenjamin Tissoires if (input_mt_is_active(i_slot) && 930*01eaac7eSBenjamin Tissoires input_mt_is_used(mt, i_slot)) 931*01eaac7eSBenjamin Tissoires return -EAGAIN; 932*01eaac7eSBenjamin Tissoires } 933*01eaac7eSBenjamin Tissoires 934*01eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_CONFIDENCE) 935*01eaac7eSBenjamin Tissoires confidence_state = *slot->confidence_state; 936*01eaac7eSBenjamin Tissoires 937*01eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_HOVERING) 938*01eaac7eSBenjamin Tissoires inrange_state = *slot->inrange_state; 939*01eaac7eSBenjamin Tissoires 940*01eaac7eSBenjamin Tissoires active = (*slot->tip_state || inrange_state) && confidence_state; 941*01eaac7eSBenjamin Tissoires 942*01eaac7eSBenjamin Tissoires input_mt_slot(input, slotnum); 943*01eaac7eSBenjamin Tissoires input_mt_report_slot_state(input, MT_TOOL_FINGER, active); 944*01eaac7eSBenjamin Tissoires if (active) { 945*01eaac7eSBenjamin Tissoires /* this finger is in proximity of the sensor */ 946*01eaac7eSBenjamin Tissoires int wide = (*slot->w > *slot->h); 947*01eaac7eSBenjamin Tissoires int major = max(*slot->w, *slot->h); 948*01eaac7eSBenjamin Tissoires int minor = min(*slot->w, *slot->h); 949*01eaac7eSBenjamin Tissoires int orientation = wide; 950*01eaac7eSBenjamin Tissoires int max_azimuth; 951*01eaac7eSBenjamin Tissoires int azimuth; 952*01eaac7eSBenjamin Tissoires 953*01eaac7eSBenjamin Tissoires if (slot->a != DEFAULT_ZERO) { 95400720277SWei-Ning Huang /* 95500720277SWei-Ning Huang * Azimuth is counter-clockwise and ranges from [0, MAX) 95600720277SWei-Ning Huang * (a full revolution). Convert it to clockwise ranging 95700720277SWei-Ning Huang * [-MAX/2, MAX/2]. 95800720277SWei-Ning Huang * 95900720277SWei-Ning Huang * Note that ABS_MT_ORIENTATION require us to report 96000720277SWei-Ning Huang * the limit of [-MAX/4, MAX/4], but the value can go 96100720277SWei-Ning Huang * out of range to [-MAX/2, MAX/2] to report an upside 96200720277SWei-Ning Huang * down ellipsis. 96300720277SWei-Ning Huang */ 964*01eaac7eSBenjamin Tissoires azimuth = *slot->a; 965*01eaac7eSBenjamin Tissoires max_azimuth = input_abs_get_max(input, 966*01eaac7eSBenjamin Tissoires ABS_MT_ORIENTATION); 967*01eaac7eSBenjamin Tissoires if (azimuth > max_azimuth * 2) 968*01eaac7eSBenjamin Tissoires azimuth -= max_azimuth * 4; 969*01eaac7eSBenjamin Tissoires orientation = -azimuth; 970*01eaac7eSBenjamin Tissoires } 9715519cab4SBenjamin Tissoires 972*01eaac7eSBenjamin Tissoires /* 973*01eaac7eSBenjamin Tissoires * divided by two to match visual scale of touch 974*01eaac7eSBenjamin Tissoires * for devices with this quirk 975*01eaac7eSBenjamin Tissoires */ 976*01eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { 977*01eaac7eSBenjamin Tissoires major = major >> 1; 978*01eaac7eSBenjamin Tissoires minor = minor >> 1; 979*01eaac7eSBenjamin Tissoires } 980*01eaac7eSBenjamin Tissoires 981*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_X, *slot->x); 982*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_Y, *slot->y); 983*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOOL_X, *slot->cx); 984*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOOL_Y, *slot->cy); 985*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_DISTANCE, !*slot->tip_state); 986*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_ORIENTATION, orientation); 987*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_PRESSURE, *slot->p); 988*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); 989*01eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); 990*01eaac7eSBenjamin Tissoires 991*01eaac7eSBenjamin Tissoires set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); 992*01eaac7eSBenjamin Tissoires } 993*01eaac7eSBenjamin Tissoires 994*01eaac7eSBenjamin Tissoires return 0; 995*01eaac7eSBenjamin Tissoires } 996*01eaac7eSBenjamin Tissoires 997*01eaac7eSBenjamin Tissoires static void mt_process_mt_event(struct hid_device *hid, 998*01eaac7eSBenjamin Tissoires struct mt_application *app, 999*01eaac7eSBenjamin Tissoires struct hid_field *field, 1000*01eaac7eSBenjamin Tissoires struct hid_usage *usage, 1001*01eaac7eSBenjamin Tissoires __s32 value, 1002*01eaac7eSBenjamin Tissoires bool first_packet) 1003*01eaac7eSBenjamin Tissoires { 1004*01eaac7eSBenjamin Tissoires __s32 quirks = app->quirks; 1005*01eaac7eSBenjamin Tissoires struct input_dev *input = field->hidinput->input; 1006*01eaac7eSBenjamin Tissoires 1007*01eaac7eSBenjamin Tissoires if (!usage->type || !(hid->claimed & HID_CLAIMED_INPUT)) 1008*01eaac7eSBenjamin Tissoires return; 1009*01eaac7eSBenjamin Tissoires 1010*01eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_WIN8_PTP_BUTTONS) { 1011*01eaac7eSBenjamin Tissoires 101255746d28SHans de Goede /* 101355746d28SHans de Goede * For Win8 PTP touchpads we should only look at 1014*01eaac7eSBenjamin Tissoires * non finger/touch events in the first_packet of a 1015*01eaac7eSBenjamin Tissoires * (possible) multi-packet frame. 101655746d28SHans de Goede */ 1017*01eaac7eSBenjamin Tissoires if (!first_packet) 101855746d28SHans de Goede return; 101955746d28SHans de Goede 1020127e71bdSHans de Goede /* 1021127e71bdSHans de Goede * For Win8 PTP touchpads we map both the clickpad click 1022127e71bdSHans de Goede * and any "external" left buttons to BTN_LEFT if a 1023127e71bdSHans de Goede * device claims to have both we need to report 1 for 1024127e71bdSHans de Goede * BTN_LEFT if either is pressed, so we or all values 1025127e71bdSHans de Goede * together and report the result in mt_sync_frame(). 1026127e71bdSHans de Goede */ 1027*01eaac7eSBenjamin Tissoires if (usage->type == EV_KEY && usage->code == BTN_LEFT) { 1028f146d1c4SBenjamin Tissoires app->left_button_state |= value; 1029127e71bdSHans de Goede return; 1030127e71bdSHans de Goede } 10315519cab4SBenjamin Tissoires } 10325519cab4SBenjamin Tissoires 1033*01eaac7eSBenjamin Tissoires input_event(input, usage->type, usage->code, value); 103455978fa9SBenjamin Tissoires } 10352d93666eSBenjamin Tissoires 10368dfe14b3SBenjamin Tissoires static void mt_touch_report(struct hid_device *hid, 10378dfe14b3SBenjamin Tissoires struct mt_report_data *rdata) 103855978fa9SBenjamin Tissoires { 103955978fa9SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 10408dfe14b3SBenjamin Tissoires struct hid_report *report = rdata->report; 10418dfe14b3SBenjamin Tissoires struct mt_application *app = rdata->application; 104255978fa9SBenjamin Tissoires struct hid_field *field; 1043*01eaac7eSBenjamin Tissoires struct input_dev *input; 1044*01eaac7eSBenjamin Tissoires struct mt_usages *slot; 104555746d28SHans de Goede bool first_packet; 104655978fa9SBenjamin Tissoires unsigned count; 1047f146d1c4SBenjamin Tissoires int r, n; 1048f146d1c4SBenjamin Tissoires int scantime = 0; 1049f146d1c4SBenjamin Tissoires int contact_count = -1; 10505519cab4SBenjamin Tissoires 10514f4001bcSBenjamin Tissoires /* sticky fingers release in progress, abort */ 10524f4001bcSBenjamin Tissoires if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) 10534f4001bcSBenjamin Tissoires return; 10544f4001bcSBenjamin Tissoires 1055*01eaac7eSBenjamin Tissoires scantime = *app->scantime; 1056*01eaac7eSBenjamin Tissoires app->timestamp = mt_compute_timestamp(app, scantime); 1057*01eaac7eSBenjamin Tissoires if (app->raw_cc != DEFAULT_ZERO) 1058*01eaac7eSBenjamin Tissoires contact_count = *app->raw_cc; 1059*01eaac7eSBenjamin Tissoires 1060c2517f62SBenjamin Tissoires /* 1061c2517f62SBenjamin Tissoires * Includes multi-packet support where subsequent 1062c2517f62SBenjamin Tissoires * packets are sent with zero contactcount. 1063c2517f62SBenjamin Tissoires */ 1064*01eaac7eSBenjamin Tissoires if (contact_count >= 0) { 1065af8dc4d0SHans de Goede /* 1066af8dc4d0SHans de Goede * For Win8 PTPs the first packet (td->num_received == 0) may 1067af8dc4d0SHans de Goede * have a contactcount of 0 if there only is a button event. 1068af8dc4d0SHans de Goede * We double check that this is not a continuation packet 1069af8dc4d0SHans de Goede * of a possible multi-packet frame be checking that the 1070af8dc4d0SHans de Goede * timestamp has changed. 1071af8dc4d0SHans de Goede */ 10723ceb3826SBenjamin Tissoires if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && 1073f146d1c4SBenjamin Tissoires app->num_received == 0 && 1074f146d1c4SBenjamin Tissoires app->prev_scantime != scantime) 1075f146d1c4SBenjamin Tissoires app->num_expected = contact_count; 1076af8dc4d0SHans de Goede /* A non 0 contact count always indicates a first packet */ 1077f146d1c4SBenjamin Tissoires else if (contact_count) 1078f146d1c4SBenjamin Tissoires app->num_expected = contact_count; 10797e3cc447SBenjamin Tissoires } 1080f146d1c4SBenjamin Tissoires app->prev_scantime = scantime; 1081c2517f62SBenjamin Tissoires 1082f146d1c4SBenjamin Tissoires first_packet = app->num_received == 0; 1083*01eaac7eSBenjamin Tissoires 1084*01eaac7eSBenjamin Tissoires input = report->field[0]->hidinput->input; 1085*01eaac7eSBenjamin Tissoires 1086*01eaac7eSBenjamin Tissoires list_for_each_entry(slot, &app->mt_usages, list) { 1087*01eaac7eSBenjamin Tissoires if (!mt_process_slot(td, input, app, slot)) 1088*01eaac7eSBenjamin Tissoires app->num_received++; 1089*01eaac7eSBenjamin Tissoires } 1090*01eaac7eSBenjamin Tissoires 109155978fa9SBenjamin Tissoires for (r = 0; r < report->maxfield; r++) { 109255978fa9SBenjamin Tissoires field = report->field[r]; 109355978fa9SBenjamin Tissoires count = field->report_count; 109455978fa9SBenjamin Tissoires 109555978fa9SBenjamin Tissoires if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) 109655978fa9SBenjamin Tissoires continue; 109755978fa9SBenjamin Tissoires 109855978fa9SBenjamin Tissoires for (n = 0; n < count; n++) 1099*01eaac7eSBenjamin Tissoires mt_process_mt_event(hid, app, field, 1100*01eaac7eSBenjamin Tissoires &field->usage[n], field->value[n], 1101*01eaac7eSBenjamin Tissoires first_packet); 110255978fa9SBenjamin Tissoires } 11035b62efd8SBenjamin Tissoires 1104f146d1c4SBenjamin Tissoires if (app->num_received >= app->num_expected) 1105*01eaac7eSBenjamin Tissoires mt_sync_frame(td, app, input); 11064f4001bcSBenjamin Tissoires 11074f4001bcSBenjamin Tissoires /* 11084f4001bcSBenjamin Tissoires * Windows 8 specs says 2 things: 11094f4001bcSBenjamin Tissoires * - once a contact has been reported, it has to be reported in each 11104f4001bcSBenjamin Tissoires * subsequent report 11114f4001bcSBenjamin Tissoires * - the report rate when fingers are present has to be at least 11124f4001bcSBenjamin Tissoires * the refresh rate of the screen, 60 or 120 Hz 11134f4001bcSBenjamin Tissoires * 11144f4001bcSBenjamin Tissoires * I interprete this that the specification forces a report rate of 11154f4001bcSBenjamin Tissoires * at least 60 Hz for a touchscreen to be certified. 11164f4001bcSBenjamin Tissoires * Which means that if we do not get a report whithin 16 ms, either 11174f4001bcSBenjamin Tissoires * something wrong happens, either the touchscreen forgets to send 11184f4001bcSBenjamin Tissoires * a release. Taking a reasonable margin allows to remove issues 11194f4001bcSBenjamin Tissoires * with USB communication or the load of the machine. 11204f4001bcSBenjamin Tissoires * 11214f4001bcSBenjamin Tissoires * Given that Win 8 devices are forced to send a release, this will 11224f4001bcSBenjamin Tissoires * only affect laggish machines and the ones that have a firmware 11234f4001bcSBenjamin Tissoires * defect. 11244f4001bcSBenjamin Tissoires */ 11253ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_STICKY_FINGERS) { 112696098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) 112796098274SBenjamin Tissoires mod_timer(&td->release_timer, 112896098274SBenjamin Tissoires jiffies + msecs_to_jiffies(100)); 112996098274SBenjamin Tissoires else 113096098274SBenjamin Tissoires del_timer(&td->release_timer); 113196098274SBenjamin Tissoires } 11324f4001bcSBenjamin Tissoires 11334f4001bcSBenjamin Tissoires clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); 11345519cab4SBenjamin Tissoires } 11355519cab4SBenjamin Tissoires 1136b2c68a2fSDmitry Torokhov static int mt_touch_input_configured(struct hid_device *hdev, 1137f146d1c4SBenjamin Tissoires struct hid_input *hi, 1138f146d1c4SBenjamin Tissoires struct mt_application *app) 1139a69c5f8bSBenjamin Tissoires { 1140a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1141a69c5f8bSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 1142a69c5f8bSBenjamin Tissoires struct input_dev *input = hi->input; 1143b2c68a2fSDmitry Torokhov int ret; 1144a69c5f8bSBenjamin Tissoires 1145a69c5f8bSBenjamin Tissoires if (!td->maxcontacts) 1146a69c5f8bSBenjamin Tissoires td->maxcontacts = MT_DEFAULT_MAXCONTACT; 1147a69c5f8bSBenjamin Tissoires 1148f146d1c4SBenjamin Tissoires mt_post_parse(td, app); 1149a69c5f8bSBenjamin Tissoires if (td->serial_maybe) 1150f146d1c4SBenjamin Tissoires mt_post_parse_default_settings(td, app); 1151a69c5f8bSBenjamin Tissoires 1152a69c5f8bSBenjamin Tissoires if (cls->is_indirect) 1153f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_POINTER; 1154a69c5f8bSBenjamin Tissoires 11553ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 1156f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_DROP_UNUSED; 1157a69c5f8bSBenjamin Tissoires 1158015fdaa9SBenjamin Tissoires /* check for clickpads */ 1159f146d1c4SBenjamin Tissoires if ((app->mt_flags & INPUT_MT_POINTER) && 1160f146d1c4SBenjamin Tissoires (app->buttons_count == 1)) 11612c6e0277SSeth Forshee td->is_buttonpad = true; 11622c6e0277SSeth Forshee 11632c6e0277SSeth Forshee if (td->is_buttonpad) 1164015fdaa9SBenjamin Tissoires __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 1165015fdaa9SBenjamin Tissoires 1166f146d1c4SBenjamin Tissoires ret = input_mt_init_slots(input, td->maxcontacts, app->mt_flags); 1167b2c68a2fSDmitry Torokhov if (ret) 1168b2c68a2fSDmitry Torokhov return ret; 1169a69c5f8bSBenjamin Tissoires 1170f146d1c4SBenjamin Tissoires app->mt_flags = 0; 1171b2c68a2fSDmitry Torokhov return 0; 1172a69c5f8bSBenjamin Tissoires } 1173a69c5f8bSBenjamin Tissoires 1174957b8dffSJoão Paulo Rechi Vita #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 1175957b8dffSJoão Paulo Rechi Vita max, EV_KEY, (c)) 1176a69c5f8bSBenjamin Tissoires static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, 1177a69c5f8bSBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 1178a69c5f8bSBenjamin Tissoires unsigned long **bit, int *max) 1179a69c5f8bSBenjamin Tissoires { 11806aef704eSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1181f146d1c4SBenjamin Tissoires struct mt_application *application; 11828dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 11836aef704eSBenjamin Tissoires 11848dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 11858dfe14b3SBenjamin Tissoires if (!rdata) { 11868dfe14b3SBenjamin Tissoires hid_err(hdev, "failed to allocate data for report\n"); 11878dfe14b3SBenjamin Tissoires return 0; 11888dfe14b3SBenjamin Tissoires } 11898dfe14b3SBenjamin Tissoires 11908dfe14b3SBenjamin Tissoires application = rdata->application; 11913ceb3826SBenjamin Tissoires 11926aef704eSBenjamin Tissoires /* 11936aef704eSBenjamin Tissoires * If mtclass.export_all_inputs is not set, only map fields from 11946aef704eSBenjamin Tissoires * TouchScreen or TouchPad collections. We need to ignore fields 11956aef704eSBenjamin Tissoires * that belong to other collections such as Mouse that might have 11966aef704eSBenjamin Tissoires * the same GenericDesktop usages. 11976aef704eSBenjamin Tissoires */ 11986aef704eSBenjamin Tissoires if (!td->mtclass.export_all_inputs && 11996aef704eSBenjamin Tissoires field->application != HID_DG_TOUCHSCREEN && 1200fa11aa72SBenjamin Tissoires field->application != HID_DG_PEN && 12018fe89ef0SBenjamin Tissoires field->application != HID_DG_TOUCHPAD && 12028fe89ef0SBenjamin Tissoires field->application != HID_GD_KEYBOARD && 1203e57f4e67SHans de Goede field->application != HID_GD_SYSTEM_CONTROL && 12041fbf74efSJoão Paulo Rechi Vita field->application != HID_CP_CONSUMER_CONTROL && 1205957b8dffSJoão Paulo Rechi Vita field->application != HID_GD_WIRELESS_RADIO_CTLS && 1206957b8dffSJoão Paulo Rechi Vita !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 12073ceb3826SBenjamin Tissoires application->quirks & MT_QUIRK_ASUS_CUSTOM_UP)) 12086f492f28SBenjamin Tissoires return -1; 1209a69c5f8bSBenjamin Tissoires 12106aef704eSBenjamin Tissoires /* 1211957b8dffSJoão Paulo Rechi Vita * Some Asus keyboard+touchpad devices have the hotkeys defined in the 1212957b8dffSJoão Paulo Rechi Vita * touchpad report descriptor. We need to treat these as an array to 1213957b8dffSJoão Paulo Rechi Vita * map usages to input keys. 1214957b8dffSJoão Paulo Rechi Vita */ 121539bbf402SJiri Kosina if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 12163ceb3826SBenjamin Tissoires application->quirks & MT_QUIRK_ASUS_CUSTOM_UP && 1217957b8dffSJoão Paulo Rechi Vita (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { 1218957b8dffSJoão Paulo Rechi Vita set_bit(EV_REP, hi->input->evbit); 1219957b8dffSJoão Paulo Rechi Vita if (field->flags & HID_MAIN_ITEM_VARIABLE) 1220957b8dffSJoão Paulo Rechi Vita field->flags &= ~HID_MAIN_ITEM_VARIABLE; 1221957b8dffSJoão Paulo Rechi Vita switch (usage->hid & HID_USAGE) { 1222957b8dffSJoão Paulo Rechi Vita case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; 1223957b8dffSJoão Paulo Rechi Vita case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; 1224957b8dffSJoão Paulo Rechi Vita case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; 1225957b8dffSJoão Paulo Rechi Vita case 0x6b: mt_map_key_clear(KEY_F21); break; 1226957b8dffSJoão Paulo Rechi Vita case 0x6c: mt_map_key_clear(KEY_SLEEP); break; 1227957b8dffSJoão Paulo Rechi Vita default: 1228957b8dffSJoão Paulo Rechi Vita return -1; 1229957b8dffSJoão Paulo Rechi Vita } 1230957b8dffSJoão Paulo Rechi Vita return 1; 1231957b8dffSJoão Paulo Rechi Vita } 1232957b8dffSJoão Paulo Rechi Vita 12338dfe14b3SBenjamin Tissoires if (rdata->is_mt_collection && 12348dfe14b3SBenjamin Tissoires (field->application == HID_DG_TOUCHSCREEN || 12358dfe14b3SBenjamin Tissoires field->application == HID_DG_TOUCHPAD)) 1236f146d1c4SBenjamin Tissoires return mt_touch_input_mapping(hdev, hi, field, usage, bit, max, 1237f146d1c4SBenjamin Tissoires application); 12386aef704eSBenjamin Tissoires 12396aef704eSBenjamin Tissoires /* let hid-core decide for the others */ 12406aef704eSBenjamin Tissoires return 0; 1241a69c5f8bSBenjamin Tissoires } 1242a69c5f8bSBenjamin Tissoires 1243a69c5f8bSBenjamin Tissoires static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, 1244a69c5f8bSBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 1245a69c5f8bSBenjamin Tissoires unsigned long **bit, int *max) 1246a69c5f8bSBenjamin Tissoires { 12476aef704eSBenjamin Tissoires /* 12486aef704eSBenjamin Tissoires * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" 12496aef704eSBenjamin Tissoires * for the stylus. 12506aef704eSBenjamin Tissoires */ 1251fa11aa72SBenjamin Tissoires if (field->physical == HID_DG_STYLUS) 1252e55f6200SBenjamin Tissoires return 0; 1253fa11aa72SBenjamin Tissoires 12546aef704eSBenjamin Tissoires if (field->application == HID_DG_TOUCHSCREEN || 12554cf56a89SDmitry Torokhov field->application == HID_DG_TOUCHPAD) { 12564cf56a89SDmitry Torokhov /* We own these mappings, tell hid-input to ignore them */ 12574cf56a89SDmitry Torokhov return -1; 12584cf56a89SDmitry Torokhov } 12596aef704eSBenjamin Tissoires 12606aef704eSBenjamin Tissoires /* let hid-core decide for the others */ 12616aef704eSBenjamin Tissoires return 0; 1262a69c5f8bSBenjamin Tissoires } 1263a69c5f8bSBenjamin Tissoires 1264a69c5f8bSBenjamin Tissoires static int mt_event(struct hid_device *hid, struct hid_field *field, 1265a69c5f8bSBenjamin Tissoires struct hid_usage *usage, __s32 value) 1266a69c5f8bSBenjamin Tissoires { 1267a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 12688dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1269a69c5f8bSBenjamin Tissoires 12708dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 12718dfe14b3SBenjamin Tissoires if (rdata && rdata->is_mt_collection) 1272a69c5f8bSBenjamin Tissoires return mt_touch_event(hid, field, usage, value); 1273a69c5f8bSBenjamin Tissoires 1274e55f6200SBenjamin Tissoires return 0; 1275a69c5f8bSBenjamin Tissoires } 1276a69c5f8bSBenjamin Tissoires 1277a69c5f8bSBenjamin Tissoires static void mt_report(struct hid_device *hid, struct hid_report *report) 1278a69c5f8bSBenjamin Tissoires { 1279a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 1280e55f6200SBenjamin Tissoires struct hid_field *field = report->field[0]; 12818dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1282a69c5f8bSBenjamin Tissoires 1283a69c5f8bSBenjamin Tissoires if (!(hid->claimed & HID_CLAIMED_INPUT)) 1284a69c5f8bSBenjamin Tissoires return; 1285a69c5f8bSBenjamin Tissoires 12868dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, report); 12878dfe14b3SBenjamin Tissoires if (rdata && rdata->is_mt_collection) 12888dfe14b3SBenjamin Tissoires return mt_touch_report(hid, rdata); 1289fa11aa72SBenjamin Tissoires 1290e55f6200SBenjamin Tissoires if (field && field->hidinput && field->hidinput->input) 1291e55f6200SBenjamin Tissoires input_sync(field->hidinput->input); 12925519cab4SBenjamin Tissoires } 12935519cab4SBenjamin Tissoires 12947f81c8dbSBenjamin Tissoires static bool mt_need_to_apply_feature(struct hid_device *hdev, 12957f81c8dbSBenjamin Tissoires struct hid_field *field, 129602946f4bSBenjamin Tissoires struct hid_usage *usage, 129702946f4bSBenjamin Tissoires enum latency_mode latency, 129802946f4bSBenjamin Tissoires bool surface_switch, 129902946f4bSBenjamin Tissoires bool button_switch) 13005519cab4SBenjamin Tissoires { 13015519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1302da10bc25SMathieu Magnaudet struct mt_class *cls = &td->mtclass; 13037f81c8dbSBenjamin Tissoires struct hid_report *report = field->report; 13047f81c8dbSBenjamin Tissoires unsigned int index = usage->usage_index; 1305da10bc25SMathieu Magnaudet char *buf; 13063064a03bSAaron Ma u32 report_len; 13077f81c8dbSBenjamin Tissoires int max; 13085519cab4SBenjamin Tissoires 13097f81c8dbSBenjamin Tissoires switch (usage->hid) { 13107f81c8dbSBenjamin Tissoires case HID_DG_INPUTMODE: 1311da10bc25SMathieu Magnaudet if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { 13127f81c8dbSBenjamin Tissoires report_len = hid_report_len(report); 13137f81c8dbSBenjamin Tissoires buf = hid_alloc_report_buf(report, GFP_KERNEL); 1314da10bc25SMathieu Magnaudet if (!buf) { 13157f81c8dbSBenjamin Tissoires hid_err(hdev, 13167f81c8dbSBenjamin Tissoires "failed to allocate buffer for report\n"); 13177f81c8dbSBenjamin Tissoires return false; 1318da10bc25SMathieu Magnaudet } 13197f81c8dbSBenjamin Tissoires hid_hw_raw_request(hdev, report->id, buf, report_len, 1320da10bc25SMathieu Magnaudet HID_FEATURE_REPORT, 1321da10bc25SMathieu Magnaudet HID_REQ_GET_REPORT); 1322da10bc25SMathieu Magnaudet kfree(buf); 1323da10bc25SMathieu Magnaudet } 13247f81c8dbSBenjamin Tissoires 13257f81c8dbSBenjamin Tissoires field->value[index] = td->inputmode_value; 13267f81c8dbSBenjamin Tissoires return true; 13277f81c8dbSBenjamin Tissoires 13287f81c8dbSBenjamin Tissoires case HID_DG_CONTACTMAX: 13293ceb3826SBenjamin Tissoires if (cls->maxcontacts) { 13307f81c8dbSBenjamin Tissoires max = min_t(int, field->logical_maximum, 13313ceb3826SBenjamin Tissoires cls->maxcontacts); 13327f81c8dbSBenjamin Tissoires if (field->value[index] != max) { 13337f81c8dbSBenjamin Tissoires field->value[index] = max; 13347f81c8dbSBenjamin Tissoires return true; 13355519cab4SBenjamin Tissoires } 13365519cab4SBenjamin Tissoires } 13377f81c8dbSBenjamin Tissoires break; 133802946f4bSBenjamin Tissoires 133902946f4bSBenjamin Tissoires case HID_DG_LATENCYMODE: 134002946f4bSBenjamin Tissoires field->value[index] = latency; 134199c703acSJiri Kosina return true; 134202946f4bSBenjamin Tissoires 134302946f4bSBenjamin Tissoires case HID_DG_SURFACESWITCH: 134402946f4bSBenjamin Tissoires field->value[index] = surface_switch; 134599c703acSJiri Kosina return true; 134602946f4bSBenjamin Tissoires 134702946f4bSBenjamin Tissoires case HID_DG_BUTTONSWITCH: 134802946f4bSBenjamin Tissoires field->value[index] = button_switch; 134999c703acSJiri Kosina return true; 13507f81c8dbSBenjamin Tissoires } 13515519cab4SBenjamin Tissoires 13527f81c8dbSBenjamin Tissoires return false; /* no need to update the report */ 13537f81c8dbSBenjamin Tissoires } 13547f81c8dbSBenjamin Tissoires 135502946f4bSBenjamin Tissoires static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency, 135602946f4bSBenjamin Tissoires bool surface_switch, bool button_switch) 135731ae9bddSBenjamin Tissoires { 13587f81c8dbSBenjamin Tissoires struct hid_report_enum *rep_enum; 13597f81c8dbSBenjamin Tissoires struct hid_report *rep; 13607f81c8dbSBenjamin Tissoires struct hid_usage *usage; 13617f81c8dbSBenjamin Tissoires int i, j; 13627f81c8dbSBenjamin Tissoires bool update_report; 136331ae9bddSBenjamin Tissoires 13647f81c8dbSBenjamin Tissoires rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; 13657f81c8dbSBenjamin Tissoires list_for_each_entry(rep, &rep_enum->report_list, list) { 13667f81c8dbSBenjamin Tissoires update_report = false; 136731ae9bddSBenjamin Tissoires 13687f81c8dbSBenjamin Tissoires for (i = 0; i < rep->maxfield; i++) { 13697f81c8dbSBenjamin Tissoires /* Ignore if report count is out of bounds. */ 13707f81c8dbSBenjamin Tissoires if (rep->field[i]->report_count < 1) 13717f81c8dbSBenjamin Tissoires continue; 137231ae9bddSBenjamin Tissoires 13737f81c8dbSBenjamin Tissoires for (j = 0; j < rep->field[i]->maxusage; j++) { 13747f81c8dbSBenjamin Tissoires usage = &rep->field[i]->usage[j]; 13757f81c8dbSBenjamin Tissoires 13767f81c8dbSBenjamin Tissoires if (mt_need_to_apply_feature(hdev, 13777f81c8dbSBenjamin Tissoires rep->field[i], 137802946f4bSBenjamin Tissoires usage, 137902946f4bSBenjamin Tissoires latency, 138002946f4bSBenjamin Tissoires surface_switch, 138102946f4bSBenjamin Tissoires button_switch)) 13827f81c8dbSBenjamin Tissoires update_report = true; 138331ae9bddSBenjamin Tissoires } 138431ae9bddSBenjamin Tissoires } 13857f81c8dbSBenjamin Tissoires 13867f81c8dbSBenjamin Tissoires if (update_report) 13877f81c8dbSBenjamin Tissoires hid_hw_request(hdev, rep, HID_REQ_SET_REPORT); 13887f81c8dbSBenjamin Tissoires } 138931ae9bddSBenjamin Tissoires } 139031ae9bddSBenjamin Tissoires 1391f146d1c4SBenjamin Tissoires static void mt_post_parse_default_settings(struct mt_device *td, 1392f146d1c4SBenjamin Tissoires struct mt_application *app) 13934fa3a583SHenrik Rydberg { 13943ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 13954fa3a583SHenrik Rydberg 13964fa3a583SHenrik Rydberg /* unknown serial device needs special quirks */ 1397*01eaac7eSBenjamin Tissoires if (list_is_singular(&app->mt_usages)) { 13984fa3a583SHenrik Rydberg quirks |= MT_QUIRK_ALWAYS_VALID; 13994fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; 14004fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_VALID_IS_INRANGE; 14014fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; 1402e0bb8f9aSBenjamin Tissoires quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 14034fa3a583SHenrik Rydberg } 14044fa3a583SHenrik Rydberg 14053ceb3826SBenjamin Tissoires app->quirks = quirks; 14064fa3a583SHenrik Rydberg } 14074fa3a583SHenrik Rydberg 1408f146d1c4SBenjamin Tissoires static void mt_post_parse(struct mt_device *td, struct mt_application *app) 14093ac36d15SBenjamin Tissoires { 1410*01eaac7eSBenjamin Tissoires if (!app->have_contact_count) 14113ceb3826SBenjamin Tissoires app->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 14123ac36d15SBenjamin Tissoires } 14133ac36d15SBenjamin Tissoires 1414b2c68a2fSDmitry Torokhov static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) 141576f5902aSHenrik Rydberg { 141676f5902aSHenrik Rydberg struct mt_device *td = hid_get_drvdata(hdev); 1417c08d46aaSBenjamin Tissoires char *name; 1418c08d46aaSBenjamin Tissoires const char *suffix = NULL; 141940ec2603SBenjamin Tissoires unsigned int application = 0; 14208dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1421f146d1c4SBenjamin Tissoires struct mt_application *mt_application = NULL; 142240ec2603SBenjamin Tissoires struct hid_report *report; 1423b2c68a2fSDmitry Torokhov int ret; 142476f5902aSHenrik Rydberg 142540ec2603SBenjamin Tissoires list_for_each_entry(report, &hi->reports, hidinput_list) { 142640ec2603SBenjamin Tissoires application = report->application; 14278dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, report); 14288dfe14b3SBenjamin Tissoires if (!rdata) { 14298dfe14b3SBenjamin Tissoires hid_err(hdev, "failed to allocate data for report\n"); 14308dfe14b3SBenjamin Tissoires return -ENOMEM; 14318dfe14b3SBenjamin Tissoires } 1432f146d1c4SBenjamin Tissoires 14338dfe14b3SBenjamin Tissoires mt_application = rdata->application; 14348dfe14b3SBenjamin Tissoires 14358dfe14b3SBenjamin Tissoires if (rdata->is_mt_collection) { 1436f146d1c4SBenjamin Tissoires ret = mt_touch_input_configured(hdev, hi, 1437f146d1c4SBenjamin Tissoires mt_application); 1438b2c68a2fSDmitry Torokhov if (ret) 1439b2c68a2fSDmitry Torokhov return ret; 1440b2c68a2fSDmitry Torokhov } 144176f5902aSHenrik Rydberg 14426aef704eSBenjamin Tissoires /* 144340ec2603SBenjamin Tissoires * some egalax touchscreens have "application == DG_TOUCHSCREEN" 144440ec2603SBenjamin Tissoires * for the stylus. Check this first, and then rely on 144540ec2603SBenjamin Tissoires * the application field. 14466aef704eSBenjamin Tissoires */ 144740ec2603SBenjamin Tissoires if (report->field[0]->physical == HID_DG_STYLUS) { 1448c08d46aaSBenjamin Tissoires suffix = "Pen"; 1449e55f6200SBenjamin Tissoires /* force BTN_STYLUS to allow tablet matching in udev */ 1450e55f6200SBenjamin Tissoires __set_bit(BTN_STYLUS, hi->input->keybit); 145140ec2603SBenjamin Tissoires } 145240ec2603SBenjamin Tissoires } 145340ec2603SBenjamin Tissoires 145440ec2603SBenjamin Tissoires if (!suffix) { 145540ec2603SBenjamin Tissoires switch (application) { 14566aef704eSBenjamin Tissoires case HID_GD_KEYBOARD: 14576aef704eSBenjamin Tissoires case HID_GD_KEYPAD: 14586aef704eSBenjamin Tissoires case HID_GD_MOUSE: 145940ec2603SBenjamin Tissoires case HID_DG_TOUCHPAD: 146040ec2603SBenjamin Tissoires case HID_GD_SYSTEM_CONTROL: 146140ec2603SBenjamin Tissoires case HID_CP_CONSUMER_CONTROL: 146240ec2603SBenjamin Tissoires case HID_GD_WIRELESS_RADIO_CTLS: 146340ec2603SBenjamin Tissoires /* already handled by hid core */ 14646aef704eSBenjamin Tissoires break; 14656aef704eSBenjamin Tissoires case HID_DG_TOUCHSCREEN: 14666aef704eSBenjamin Tissoires /* we do not set suffix = "Touchscreen" */ 146740ec2603SBenjamin Tissoires hi->input->name = hdev->name; 14686aef704eSBenjamin Tissoires break; 146940ec2603SBenjamin Tissoires case HID_DG_STYLUS: 147040ec2603SBenjamin Tissoires /* force BTN_STYLUS to allow tablet matching in udev */ 147140ec2603SBenjamin Tissoires __set_bit(BTN_STYLUS, hi->input->keybit); 14721fbf74efSJoão Paulo Rechi Vita break; 1473957b8dffSJoão Paulo Rechi Vita case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: 1474957b8dffSJoão Paulo Rechi Vita suffix = "Custom Media Keys"; 1475957b8dffSJoão Paulo Rechi Vita break; 14766aef704eSBenjamin Tissoires default: 14776aef704eSBenjamin Tissoires suffix = "UNKNOWN"; 14786aef704eSBenjamin Tissoires break; 14796aef704eSBenjamin Tissoires } 148076f5902aSHenrik Rydberg } 148176f5902aSHenrik Rydberg 1482c08d46aaSBenjamin Tissoires if (suffix) { 1483c08d46aaSBenjamin Tissoires name = devm_kzalloc(&hi->input->dev, 1484c08d46aaSBenjamin Tissoires strlen(hdev->name) + strlen(suffix) + 2, 1485c08d46aaSBenjamin Tissoires GFP_KERNEL); 1486c08d46aaSBenjamin Tissoires if (name) { 1487c08d46aaSBenjamin Tissoires sprintf(name, "%s %s", hdev->name, suffix); 1488c08d46aaSBenjamin Tissoires hi->input->name = name; 1489c08d46aaSBenjamin Tissoires } 1490c08d46aaSBenjamin Tissoires } 1491b2c68a2fSDmitry Torokhov 1492b2c68a2fSDmitry Torokhov return 0; 1493c08d46aaSBenjamin Tissoires } 1494c08d46aaSBenjamin Tissoires 1495f3287a99SBenjamin Tissoires static void mt_fix_const_field(struct hid_field *field, unsigned int usage) 1496f3287a99SBenjamin Tissoires { 1497f3287a99SBenjamin Tissoires if (field->usage[0].hid != usage || 1498f3287a99SBenjamin Tissoires !(field->flags & HID_MAIN_ITEM_CONSTANT)) 1499f3287a99SBenjamin Tissoires return; 1500f3287a99SBenjamin Tissoires 1501f3287a99SBenjamin Tissoires field->flags &= ~HID_MAIN_ITEM_CONSTANT; 1502f3287a99SBenjamin Tissoires field->flags |= HID_MAIN_ITEM_VARIABLE; 1503f3287a99SBenjamin Tissoires } 1504f3287a99SBenjamin Tissoires 1505f3287a99SBenjamin Tissoires static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) 1506f3287a99SBenjamin Tissoires { 1507f3287a99SBenjamin Tissoires struct hid_report *report; 1508f3287a99SBenjamin Tissoires int i; 1509f3287a99SBenjamin Tissoires 1510f3287a99SBenjamin Tissoires list_for_each_entry(report, 1511f3287a99SBenjamin Tissoires &hdev->report_enum[HID_INPUT_REPORT].report_list, 1512f3287a99SBenjamin Tissoires list) { 1513f3287a99SBenjamin Tissoires 1514f3287a99SBenjamin Tissoires if (!report->maxfield) 1515f3287a99SBenjamin Tissoires continue; 1516f3287a99SBenjamin Tissoires 1517f3287a99SBenjamin Tissoires for (i = 0; i < report->maxfield; i++) 1518f3287a99SBenjamin Tissoires if (report->field[i]->maxusage >= 1) 1519f3287a99SBenjamin Tissoires mt_fix_const_field(report->field[i], usage); 1520f3287a99SBenjamin Tissoires } 1521f3287a99SBenjamin Tissoires } 1522f3287a99SBenjamin Tissoires 15234f4001bcSBenjamin Tissoires static void mt_release_contacts(struct hid_device *hid) 15244f4001bcSBenjamin Tissoires { 15254f4001bcSBenjamin Tissoires struct hid_input *hidinput; 1526f146d1c4SBenjamin Tissoires struct mt_application *application; 15274f4001bcSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 15284f4001bcSBenjamin Tissoires 15294f4001bcSBenjamin Tissoires list_for_each_entry(hidinput, &hid->inputs, list) { 15304f4001bcSBenjamin Tissoires struct input_dev *input_dev = hidinput->input; 15314f4001bcSBenjamin Tissoires struct input_mt *mt = input_dev->mt; 15324f4001bcSBenjamin Tissoires int i; 15334f4001bcSBenjamin Tissoires 15344f4001bcSBenjamin Tissoires if (mt) { 15354f4001bcSBenjamin Tissoires for (i = 0; i < mt->num_slots; i++) { 15364f4001bcSBenjamin Tissoires input_mt_slot(input_dev, i); 15374f4001bcSBenjamin Tissoires input_mt_report_slot_state(input_dev, 15384f4001bcSBenjamin Tissoires MT_TOOL_FINGER, 15394f4001bcSBenjamin Tissoires false); 15404f4001bcSBenjamin Tissoires } 15414f4001bcSBenjamin Tissoires input_mt_sync_frame(input_dev); 15424f4001bcSBenjamin Tissoires input_sync(input_dev); 15434f4001bcSBenjamin Tissoires } 15444f4001bcSBenjamin Tissoires } 15454f4001bcSBenjamin Tissoires 1546f146d1c4SBenjamin Tissoires list_for_each_entry(application, &td->applications, list) { 1547f146d1c4SBenjamin Tissoires application->num_received = 0; 1548f146d1c4SBenjamin Tissoires } 15494f4001bcSBenjamin Tissoires } 15504f4001bcSBenjamin Tissoires 15510ee32774SKees Cook static void mt_expired_timeout(struct timer_list *t) 15524f4001bcSBenjamin Tissoires { 15530ee32774SKees Cook struct mt_device *td = from_timer(td, t, release_timer); 15540ee32774SKees Cook struct hid_device *hdev = td->hdev; 15554f4001bcSBenjamin Tissoires 15564f4001bcSBenjamin Tissoires /* 15574f4001bcSBenjamin Tissoires * An input report came in just before we release the sticky fingers, 15584f4001bcSBenjamin Tissoires * it will take care of the sticky fingers. 15594f4001bcSBenjamin Tissoires */ 15604f4001bcSBenjamin Tissoires if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) 15614f4001bcSBenjamin Tissoires return; 156296098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) 15634f4001bcSBenjamin Tissoires mt_release_contacts(hdev); 15644f4001bcSBenjamin Tissoires clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); 15654f4001bcSBenjamin Tissoires } 15664f4001bcSBenjamin Tissoires 15675519cab4SBenjamin Tissoires static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) 15685519cab4SBenjamin Tissoires { 15692d93666eSBenjamin Tissoires int ret, i; 15705519cab4SBenjamin Tissoires struct mt_device *td; 1571cf6d15d7SBenjamin Tissoires const struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ 15722d93666eSBenjamin Tissoires 15732d93666eSBenjamin Tissoires for (i = 0; mt_classes[i].name ; i++) { 15742d93666eSBenjamin Tissoires if (id->driver_data == mt_classes[i].name) { 15752d93666eSBenjamin Tissoires mtclass = &(mt_classes[i]); 15762d93666eSBenjamin Tissoires break; 15772d93666eSBenjamin Tissoires } 15782d93666eSBenjamin Tissoires } 15795519cab4SBenjamin Tissoires 1580c08d46aaSBenjamin Tissoires td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); 15815519cab4SBenjamin Tissoires if (!td) { 15825519cab4SBenjamin Tissoires dev_err(&hdev->dev, "cannot allocate multitouch data\n"); 15835519cab4SBenjamin Tissoires return -ENOMEM; 15845519cab4SBenjamin Tissoires } 15850ee32774SKees Cook td->hdev = hdev; 1586eec29e3dSBenjamin Tissoires td->mtclass = *mtclass; 15879abebedbSAndrew Duggan td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; 15885519cab4SBenjamin Tissoires hid_set_drvdata(hdev, td); 15895519cab4SBenjamin Tissoires 1590f146d1c4SBenjamin Tissoires INIT_LIST_HEAD(&td->applications); 15918dfe14b3SBenjamin Tissoires INIT_LIST_HEAD(&td->reports); 1592f146d1c4SBenjamin Tissoires 159376f5902aSHenrik Rydberg if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) 159476f5902aSHenrik Rydberg td->serial_maybe = true; 159576f5902aSHenrik Rydberg 1596b897f6dbSBenjamin Tissoires /* This allows the driver to correctly support devices 1597b897f6dbSBenjamin Tissoires * that emit events over several HID messages. 1598b897f6dbSBenjamin Tissoires */ 1599b897f6dbSBenjamin Tissoires hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; 1600b897f6dbSBenjamin Tissoires 1601b897f6dbSBenjamin Tissoires /* 1602b897f6dbSBenjamin Tissoires * This allows the driver to handle different input sensors 160340ec2603SBenjamin Tissoires * that emits events through different applications on the same HID 1604b897f6dbSBenjamin Tissoires * device. 1605b897f6dbSBenjamin Tissoires */ 160640ec2603SBenjamin Tissoires hdev->quirks |= HID_QUIRK_INPUT_PER_APP; 1607b897f6dbSBenjamin Tissoires 16080ee32774SKees Cook timer_setup(&td->release_timer, mt_expired_timeout, 0); 16094f4001bcSBenjamin Tissoires 16105519cab4SBenjamin Tissoires ret = hid_parse(hdev); 16115519cab4SBenjamin Tissoires if (ret != 0) 1612c08d46aaSBenjamin Tissoires return ret; 16135519cab4SBenjamin Tissoires 1614f3287a99SBenjamin Tissoires if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) 1615f3287a99SBenjamin Tissoires mt_fix_const_fields(hdev, HID_DG_CONTACTID); 1616f3287a99SBenjamin Tissoires 16175519cab4SBenjamin Tissoires ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 16182d93666eSBenjamin Tissoires if (ret) 1619c08d46aaSBenjamin Tissoires return ret; 16205519cab4SBenjamin Tissoires 1621eec29e3dSBenjamin Tissoires ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); 16220c4b3c63SNicholas Krause if (ret) 16230c4b3c63SNicholas Krause dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", 16240c4b3c63SNicholas Krause hdev->name); 1625eec29e3dSBenjamin Tissoires 162602946f4bSBenjamin Tissoires mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 16275519cab4SBenjamin Tissoires 16285519cab4SBenjamin Tissoires return 0; 16295519cab4SBenjamin Tissoires } 16305519cab4SBenjamin Tissoires 16315519cab4SBenjamin Tissoires #ifdef CONFIG_PM 16325519cab4SBenjamin Tissoires static int mt_reset_resume(struct hid_device *hdev) 16335519cab4SBenjamin Tissoires { 1634d3e69b9aSBenson Leung mt_release_contacts(hdev); 163502946f4bSBenjamin Tissoires mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 16365519cab4SBenjamin Tissoires return 0; 16375519cab4SBenjamin Tissoires } 1638dfeefd10SScott Liu 1639dfeefd10SScott Liu static int mt_resume(struct hid_device *hdev) 1640dfeefd10SScott Liu { 1641dfeefd10SScott Liu /* Some Elan legacy devices require SET_IDLE to be set on resume. 1642dfeefd10SScott Liu * It should be safe to send it to other devices too. 1643dfeefd10SScott Liu * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ 1644dfeefd10SScott Liu 16454ba25d3fSBenjamin Tissoires hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); 1646dfeefd10SScott Liu 1647dfeefd10SScott Liu return 0; 1648dfeefd10SScott Liu } 16495519cab4SBenjamin Tissoires #endif 16505519cab4SBenjamin Tissoires 16515519cab4SBenjamin Tissoires static void mt_remove(struct hid_device *hdev) 16525519cab4SBenjamin Tissoires { 1653b897f6dbSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1654b897f6dbSBenjamin Tissoires 16554f4001bcSBenjamin Tissoires del_timer_sync(&td->release_timer); 16564f4001bcSBenjamin Tissoires 1657eec29e3dSBenjamin Tissoires sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); 16585939212dSBenjamin Tissoires hid_hw_stop(hdev); 16595519cab4SBenjamin Tissoires } 16605519cab4SBenjamin Tissoires 16610fa9c616SBenjamin Tissoires /* 16620fa9c616SBenjamin Tissoires * This list contains only: 16630fa9c616SBenjamin Tissoires * - VID/PID of products not working with the default multitouch handling 16640fa9c616SBenjamin Tissoires * - 2 generic rules. 16650fa9c616SBenjamin Tissoires * So there is no point in adding here any device with MT_CLS_DEFAULT. 16660fa9c616SBenjamin Tissoires */ 16675519cab4SBenjamin Tissoires static const struct hid_device_id mt_devices[] = { 16685519cab4SBenjamin Tissoires 1669f786bba4SBenjamin Tissoires /* 3M panels */ 1670f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 16712c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1672f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M1968) }, 1673f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 16742c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1675f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M2256) }, 1676c4fad877SBenjamin Tissoires { .driver_data = MT_CLS_3M, 16772c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1678c4fad877SBenjamin Tissoires USB_DEVICE_ID_3M3266) }, 1679f786bba4SBenjamin Tissoires 1680504c932cSMasaki Ota /* Alps devices */ 1681504c932cSMasaki Ota { .driver_data = MT_CLS_WIN_8_DUAL, 1682504c932cSMasaki Ota HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 1683504c932cSMasaki Ota USB_VENDOR_ID_ALPS_JP, 1684504c932cSMasaki Ota HID_DEVICE_ID_ALPS_U1_DUAL_PTP) }, 1685504c932cSMasaki Ota { .driver_data = MT_CLS_WIN_8_DUAL, 1686504c932cSMasaki Ota HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 1687504c932cSMasaki Ota USB_VENDOR_ID_ALPS_JP, 1688504c932cSMasaki Ota HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) }, 1689504c932cSMasaki Ota 169056d859e1SPavel Tatashin /* Lenovo X1 TAB Gen 2 */ 169156d859e1SPavel Tatashin { .driver_data = MT_CLS_WIN_8_DUAL, 169256d859e1SPavel Tatashin HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 169356d859e1SPavel Tatashin USB_VENDOR_ID_LENOVO, 169456d859e1SPavel Tatashin USB_DEVICE_ID_LENOVO_X1_TAB) }, 169556d859e1SPavel Tatashin 16966aef704eSBenjamin Tissoires /* Anton devices */ 16976aef704eSBenjamin Tissoires { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, 16986aef704eSBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_ANTON, 16996aef704eSBenjamin Tissoires USB_DEVICE_ID_ANTON_TOUCH_PAD) }, 1700e6aac342SBenjamin Tissoires 1701957b8dffSJoão Paulo Rechi Vita /* Asus T304UA */ 1702957b8dffSJoão Paulo Rechi Vita { .driver_data = MT_CLS_ASUS, 1703957b8dffSJoão Paulo Rechi Vita HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 1704957b8dffSJoão Paulo Rechi Vita USB_VENDOR_ID_ASUSTEK, 1705957b8dffSJoão Paulo Rechi Vita USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, 1706957b8dffSJoão Paulo Rechi Vita 1707b1057124SBenjamin Tissoires /* Atmel panels */ 1708b1057124SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 17092c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, 1710841cb157SBenjamin Tissoires USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, 1711b1057124SBenjamin Tissoires 17129ed32695SJiri Kosina /* Baanto multitouch devices */ 1713dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 171416b79bb8SJiri Kosina MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, 17159ed32695SJiri Kosina USB_DEVICE_ID_BAANTO_MT_190W2) }, 17160fa9c616SBenjamin Tissoires 1717a841b62cSBenjamin Tissoires /* Cando panels */ 1718a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 17192c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 1720a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, 1721a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 17222c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 1723a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, 1724a841b62cSBenjamin Tissoires 1725942fd422SAustin Zhang /* Chunghwa Telecom touch panels */ 1726dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 17272c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, 1728942fd422SAustin Zhang USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, 1729942fd422SAustin Zhang 1730070f63b4SYang Bo /* CJTouch panels */ 1731070f63b4SYang Bo { .driver_data = MT_CLS_NSMU, 1732070f63b4SYang Bo MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, 1733070f63b4SYang Bo USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, 1734070f63b4SYang Bo { .driver_data = MT_CLS_NSMU, 1735070f63b4SYang Bo MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, 1736070f63b4SYang Bo USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, 1737070f63b4SYang Bo 173879603dc9SBenjamin Tissoires /* CVTouch panels */ 1739dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 17402c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, 174179603dc9SBenjamin Tissoires USB_DEVICE_ID_CVTOUCH_SCREEN) }, 174279603dc9SBenjamin Tissoires 174322408283SBenjamin Tissoires /* eGalax devices (resistive) */ 174422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 17452c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1746e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, 174722408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 17482c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1749e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, 175022408283SBenjamin Tissoires 175122408283SBenjamin Tissoires /* eGalax devices (capacitive) */ 1752fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 17532c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1754fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, 175522408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 17562c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1757e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, 1758fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 17592c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1760fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, 17612ce09df4SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 17622c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 17632ce09df4SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, 176422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 17652c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 176622408283SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, 1767fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 17682c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1769fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, 177022408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 17712c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 177222408283SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, 177322408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 177422408283SBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1775e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, 1776fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 17772c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1778fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, 17791fd8f047SChris Bagwell { .driver_data = MT_CLS_EGALAX, 1780aa672da1SAndy Shevchenko HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 1781aa672da1SAndy Shevchenko USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, 1782aa672da1SAndy Shevchenko { .driver_data = MT_CLS_EGALAX, 1783aa672da1SAndy Shevchenko HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 1784aa672da1SAndy Shevchenko USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, 1785aa672da1SAndy Shevchenko { .driver_data = MT_CLS_EGALAX, 17862c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 178766f06127SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, 178866f06127SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 17892c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1790bb9ff210SMarek Vasut USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, 17911b723e8dSBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 17922c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1793fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, 1794fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 17952c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1796ae01c9e5SThierry Reding USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, 1797ae01c9e5SThierry Reding { .driver_data = MT_CLS_EGALAX_SERIAL, 1798ae01c9e5SThierry Reding MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1799e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, 180022408283SBenjamin Tissoires 18017c7606a2STomas Sokorai /* Elitegroup panel */ 18027c7606a2STomas Sokorai { .driver_data = MT_CLS_SERIAL, 18037c7606a2STomas Sokorai MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, 18047c7606a2STomas Sokorai USB_DEVICE_ID_ELITEGROUP_05D8) }, 18057c7606a2STomas Sokorai 180677723e3bSHenrik Rydberg /* Flatfrog Panels */ 180777723e3bSHenrik Rydberg { .driver_data = MT_CLS_FLATFROG, 180877723e3bSHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, 180977723e3bSHenrik Rydberg USB_DEVICE_ID_MULTITOUCH_3200) }, 181077723e3bSHenrik Rydberg 18113db187e7SBenjamin Tissoires /* FocalTech Panels */ 18123db187e7SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 18133db187e7SBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, 18143db187e7SBenjamin Tissoires USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, 18153db187e7SBenjamin Tissoires 18165572da08SBenjamin Tissoires /* GeneralTouch panel */ 1817f5ff4e1eSXianhan Yu { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, 18182c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 18195572da08SBenjamin Tissoires USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, 1820f5ff4e1eSXianhan Yu { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 1821f5ff4e1eSXianhan Yu MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 1822f5ff4e1eSXianhan Yu USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, 18237b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, 18247b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 18257b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, 18267b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 18277b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 18287b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, 18297b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 18307b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 18317b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, 18327b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 18337b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 18347b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, 18357b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 18367b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 18377b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, 18385572da08SBenjamin Tissoires 18394d5df5d1SAndreas Nielsen /* Gametel game controller */ 1840dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18412c2110e9SHenrik Rydberg MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, 18424d5df5d1SAndreas Nielsen USB_DEVICE_ID_GAMETEL_MT_MODE) }, 18434d5df5d1SAndreas Nielsen 1844ee0fbd14SBenjamin Tissoires /* GoodTouch panels */ 1845dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18462c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, 1847ee0fbd14SBenjamin Tissoires USB_DEVICE_ID_GOODTOUCH_000f) }, 1848ee0fbd14SBenjamin Tissoires 184954580365SBenjamin Tissoires /* Hanvon panels */ 185054580365SBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 18512c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, 185254580365SBenjamin Tissoires USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, 185354580365SBenjamin Tissoires 18544e61f0d7SAustin Zhang /* Ilitek dual touch panel */ 1855dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18562c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, 18574e61f0d7SAustin Zhang USB_DEVICE_ID_ILITEK_MULTITOUCH) }, 18584e61f0d7SAustin Zhang 1859f3287a99SBenjamin Tissoires /* LG Melfas panel */ 1860f3287a99SBenjamin Tissoires { .driver_data = MT_CLS_LG, 1861f3287a99SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_LG, 1862f3287a99SBenjamin Tissoires USB_DEVICE_ID_LG_MELFAS_MT) }, 1863f3287a99SBenjamin Tissoires 18644a6ee685SBenjamin Tissoires /* MosArt panels */ 18654a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 18662c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ASUS, 18674a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUS_T91MT)}, 18684a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 18692c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ASUS, 18704a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, 18714a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 18722c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, 18734a6ee685SBenjamin Tissoires USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, 18744a6ee685SBenjamin Tissoires 18754db703eaSAustin Hendrix /* Novatek Panel */ 1876dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18774380d819SJiri Kosina MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, 18784db703eaSAustin Hendrix USB_DEVICE_ID_NOVATEK_PCT) }, 18794db703eaSAustin Hendrix 1880a80e803aSBenjamin Tissoires /* Ntrig Panel */ 1881a80e803aSBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 1882a80e803aSBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 1883a80e803aSBenjamin Tissoires USB_VENDOR_ID_NTRIG, 0x1b05) }, 1884a80e803aSBenjamin Tissoires 1885fb55b402SHans de Goede /* Panasonic panels */ 1886fb55b402SHans de Goede { .driver_data = MT_CLS_PANASONIC, 1887fb55b402SHans de Goede MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, 1888fb55b402SHans de Goede USB_DEVICE_ID_PANABOARD_UBT780) }, 1889fb55b402SHans de Goede { .driver_data = MT_CLS_PANASONIC, 1890fb55b402SHans de Goede MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, 1891fb55b402SHans de Goede USB_DEVICE_ID_PANABOARD_UBT880) }, 1892fb55b402SHans de Goede 1893b7ea95ffSAaron Tian /* PixArt optical touch screen */ 1894b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 18952c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 1896b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, 1897b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 18982c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 1899b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, 1900b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 19012c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 1902b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, 1903b7ea95ffSAaron Tian 19045519cab4SBenjamin Tissoires /* PixCir-based panels */ 19051e9cf35bSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 19062c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 19075519cab4SBenjamin Tissoires USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, 19085519cab4SBenjamin Tissoires 19095e7ea11fSBenjamin Tissoires /* Quanta-based panels */ 19105e7ea11fSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, 19112c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, 19125e7ea11fSBenjamin Tissoires USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, 1913a6802e00SForest Bond 1914843e475fSBenjamin Tissoires /* Razer touchpads */ 1915843e475fSBenjamin Tissoires { .driver_data = MT_CLS_RAZER_BLADE_STEALTH, 1916843e475fSBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 1917843e475fSBenjamin Tissoires USB_VENDOR_ID_SYNAPTICS, 0x8323) }, 1918843e475fSBenjamin Tissoires 1919043b403aSBenjamin Tissoires /* Stantum panels */ 1920bf5af9b5SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE, 19212c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, 1922043b403aSBenjamin Tissoires USB_DEVICE_ID_MTP_STM)}, 1923043b403aSBenjamin Tissoires 1924847672cdSBenjamin Tissoires /* TopSeed panels */ 1925847672cdSBenjamin Tissoires { .driver_data = MT_CLS_TOPSEED, 19262c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, 1927847672cdSBenjamin Tissoires USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, 1928847672cdSBenjamin Tissoires 19295e74e56dSBenjamin Tissoires /* Touch International panels */ 1930dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19312c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, 19325e74e56dSBenjamin Tissoires USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, 19335e74e56dSBenjamin Tissoires 1934617b64f9SBenjamin Tissoires /* Unitec panels */ 1935dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19362c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, 1937617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, 1938dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19392c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, 1940617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, 1941bf9d121eSKaiChung Cheng 1942da10bc25SMathieu Magnaudet /* VTL panels */ 1943da10bc25SMathieu Magnaudet { .driver_data = MT_CLS_VTL, 1944da10bc25SMathieu Magnaudet MT_USB_DEVICE(USB_VENDOR_ID_VTL, 1945da10bc25SMathieu Magnaudet USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, 1946da10bc25SMathieu Magnaudet 1947bf9d121eSKaiChung Cheng /* Wistron panels */ 1948bf9d121eSKaiChung Cheng { .driver_data = MT_CLS_NSMU, 1949bf9d121eSKaiChung Cheng MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, 1950bf9d121eSKaiChung Cheng USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, 1951bf9d121eSKaiChung Cheng 1952bc8a2a9bSice chien /* XAT */ 1953dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19542c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XAT, 1955bc8a2a9bSice chien USB_DEVICE_ID_XAT_CSR) }, 1956617b64f9SBenjamin Tissoires 195711576c61SMasatoshi Hoshikawa /* Xiroku */ 1958dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19592c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 196011576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX) }, 1961dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19622c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 196311576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX) }, 1964dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19652c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 196611576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR) }, 1967dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19682c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 196911576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX1) }, 1970dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19712c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 197211576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX1) }, 1973dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19742c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 197511576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR1) }, 1976dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19772c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 197811576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX2) }, 1979dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19802c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 198111576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX2) }, 1982dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19832c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 198411576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR2) }, 198511576c61SMasatoshi Hoshikawa 19860e82232cSWei-Ning Huang /* Google MT devices */ 19870e82232cSWei-Ning Huang { .driver_data = MT_CLS_GOOGLE, 19880e82232cSWei-Ning Huang HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, 19890e82232cSWei-Ning Huang USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, 19900e82232cSWei-Ning Huang 19914fa3a583SHenrik Rydberg /* Generic MT device */ 19924fa3a583SHenrik Rydberg { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, 1993f961bd35SBenjamin Tissoires 1994f961bd35SBenjamin Tissoires /* Generic Win 8 certified MT device */ 1995f961bd35SBenjamin Tissoires { .driver_data = MT_CLS_WIN_8, 1996f961bd35SBenjamin Tissoires HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, 1997f961bd35SBenjamin Tissoires HID_ANY_ID, HID_ANY_ID) }, 19985519cab4SBenjamin Tissoires { } 19995519cab4SBenjamin Tissoires }; 20005519cab4SBenjamin Tissoires MODULE_DEVICE_TABLE(hid, mt_devices); 20015519cab4SBenjamin Tissoires 20025519cab4SBenjamin Tissoires static const struct hid_usage_id mt_grabbed_usages[] = { 20035519cab4SBenjamin Tissoires { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, 20045519cab4SBenjamin Tissoires { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} 20055519cab4SBenjamin Tissoires }; 20065519cab4SBenjamin Tissoires 20075519cab4SBenjamin Tissoires static struct hid_driver mt_driver = { 20085519cab4SBenjamin Tissoires .name = "hid-multitouch", 20095519cab4SBenjamin Tissoires .id_table = mt_devices, 20105519cab4SBenjamin Tissoires .probe = mt_probe, 20115519cab4SBenjamin Tissoires .remove = mt_remove, 20125519cab4SBenjamin Tissoires .input_mapping = mt_input_mapping, 20135519cab4SBenjamin Tissoires .input_mapped = mt_input_mapped, 201476f5902aSHenrik Rydberg .input_configured = mt_input_configured, 20155519cab4SBenjamin Tissoires .feature_mapping = mt_feature_mapping, 20165519cab4SBenjamin Tissoires .usage_table = mt_grabbed_usages, 20175519cab4SBenjamin Tissoires .event = mt_event, 201855978fa9SBenjamin Tissoires .report = mt_report, 20195519cab4SBenjamin Tissoires #ifdef CONFIG_PM 20205519cab4SBenjamin Tissoires .reset_resume = mt_reset_resume, 2021dfeefd10SScott Liu .resume = mt_resume, 20225519cab4SBenjamin Tissoires #endif 20235519cab4SBenjamin Tissoires }; 2024f425458eSH Hartley Sweeten module_hid_driver(mt_driver); 2025