12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 25519cab4SBenjamin Tissoires /* 35519cab4SBenjamin Tissoires * HID driver for multitouch panels 45519cab4SBenjamin Tissoires * 5c2ef8f21SBenjamin Tissoires * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> 6b0a78681SBenjamin Tissoires * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com> 7c2ef8f21SBenjamin Tissoires * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France 8b0a78681SBenjamin Tissoires * Copyright (c) 2012-2013 Red Hat, Inc 95519cab4SBenjamin Tissoires * 104875ac11SRichard Nauber * This code is partly based on hid-egalax.c: 114875ac11SRichard Nauber * 124875ac11SRichard Nauber * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> 134875ac11SRichard Nauber * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> 144875ac11SRichard Nauber * Copyright (c) 2010 Canonical, Ltd. 154875ac11SRichard Nauber * 16f786bba4SBenjamin Tissoires * This code is partly based on hid-3m-pct.c: 17f786bba4SBenjamin Tissoires * 18f786bba4SBenjamin Tissoires * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> 19f786bba4SBenjamin Tissoires * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> 20f786bba4SBenjamin Tissoires * Copyright (c) 2010 Canonical, Ltd. 215519cab4SBenjamin Tissoires */ 225519cab4SBenjamin Tissoires 235519cab4SBenjamin Tissoires /* 245519cab4SBenjamin Tissoires */ 255519cab4SBenjamin Tissoires 26b0a78681SBenjamin Tissoires /* 27f146d1c4SBenjamin Tissoires * This driver is regularly tested thanks to the test suite in hid-tools[1]. 28b0a78681SBenjamin Tissoires * Please run these regression tests before patching this module so that 29b0a78681SBenjamin Tissoires * your patch won't break existing known devices. 30b0a78681SBenjamin Tissoires * 31f146d1c4SBenjamin Tissoires * [1] https://gitlab.freedesktop.org/libevdev/hid-tools 32b0a78681SBenjamin Tissoires */ 33b0a78681SBenjamin Tissoires 345519cab4SBenjamin Tissoires #include <linux/device.h> 355519cab4SBenjamin Tissoires #include <linux/hid.h> 365519cab4SBenjamin Tissoires #include <linux/module.h> 375519cab4SBenjamin Tissoires #include <linux/slab.h> 385519cab4SBenjamin Tissoires #include <linux/input/mt.h> 3929cc309dSNicolas Boichat #include <linux/jiffies.h> 4049a5a827SBenjamin Tissoires #include <linux/string.h> 414f4001bcSBenjamin Tissoires #include <linux/timer.h> 425519cab4SBenjamin Tissoires 435519cab4SBenjamin Tissoires 445519cab4SBenjamin Tissoires MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); 45ef2fafb3SBenjamin Tissoires MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); 465519cab4SBenjamin Tissoires MODULE_DESCRIPTION("HID multitouch panels"); 475519cab4SBenjamin Tissoires MODULE_LICENSE("GPL"); 485519cab4SBenjamin Tissoires 495519cab4SBenjamin Tissoires #include "hid-ids.h" 505519cab4SBenjamin Tissoires 515519cab4SBenjamin Tissoires /* quirks to control the device */ 52fd911896SBenjamin Tissoires #define MT_QUIRK_NOT_SEEN_MEANS_UP BIT(0) 53fd911896SBenjamin Tissoires #define MT_QUIRK_SLOT_IS_CONTACTID BIT(1) 54fd911896SBenjamin Tissoires #define MT_QUIRK_CYPRESS BIT(2) 55fd911896SBenjamin Tissoires #define MT_QUIRK_SLOT_IS_CONTACTNUMBER BIT(3) 56fd911896SBenjamin Tissoires #define MT_QUIRK_ALWAYS_VALID BIT(4) 57fd911896SBenjamin Tissoires #define MT_QUIRK_VALID_IS_INRANGE BIT(5) 58fd911896SBenjamin Tissoires #define MT_QUIRK_VALID_IS_CONFIDENCE BIT(6) 59fd911896SBenjamin Tissoires #define MT_QUIRK_CONFIDENCE BIT(7) 60fd911896SBenjamin Tissoires #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE BIT(8) 61fd911896SBenjamin Tissoires #define MT_QUIRK_NO_AREA BIT(9) 62fd911896SBenjamin Tissoires #define MT_QUIRK_IGNORE_DUPLICATES BIT(10) 63fd911896SBenjamin Tissoires #define MT_QUIRK_HOVERING BIT(11) 64fd911896SBenjamin Tissoires #define MT_QUIRK_CONTACT_CNT_ACCURATE BIT(12) 65fd911896SBenjamin Tissoires #define MT_QUIRK_FORCE_GET_FEATURE BIT(13) 66fd911896SBenjamin Tissoires #define MT_QUIRK_FIX_CONST_CONTACT_ID BIT(14) 67fd911896SBenjamin Tissoires #define MT_QUIRK_TOUCH_SIZE_SCALING BIT(15) 684f4001bcSBenjamin Tissoires #define MT_QUIRK_STICKY_FINGERS BIT(16) 69957b8dffSJoão Paulo Rechi Vita #define MT_QUIRK_ASUS_CUSTOM_UP BIT(17) 70d9c57a70SBenjamin Tissoires #define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18) 7169ecd44dSBenjamin Tissoires #define MT_QUIRK_SEPARATE_APP_REPORT BIT(19) 7240d5bb87SBenjamin Tissoires #define MT_QUIRK_FORCE_MULTI_INPUT BIT(20) 7331a4cf1dSHans de Goede #define MT_QUIRK_DISABLE_WAKEUP BIT(21) 745519cab4SBenjamin Tissoires 759abebedbSAndrew Duggan #define MT_INPUTMODE_TOUCHSCREEN 0x02 769abebedbSAndrew Duggan #define MT_INPUTMODE_TOUCHPAD 0x03 779abebedbSAndrew Duggan 782c6e0277SSeth Forshee #define MT_BUTTONTYPE_CLICKPAD 0 792c6e0277SSeth Forshee 8002946f4bSBenjamin Tissoires enum latency_mode { 8102946f4bSBenjamin Tissoires HID_LATENCY_NORMAL = 0, 8202946f4bSBenjamin Tissoires HID_LATENCY_HIGH = 1, 8302946f4bSBenjamin Tissoires }; 8402946f4bSBenjamin Tissoires 854f4001bcSBenjamin Tissoires #define MT_IO_FLAGS_RUNNING 0 8696098274SBenjamin Tissoires #define MT_IO_FLAGS_ACTIVE_SLOTS 1 8796098274SBenjamin Tissoires #define MT_IO_FLAGS_PENDING_SLOTS 2 884f4001bcSBenjamin Tissoires 8901eaac7eSBenjamin Tissoires static const bool mtrue = true; /* default for true */ 9001eaac7eSBenjamin Tissoires static const bool mfalse; /* default for false */ 9101eaac7eSBenjamin Tissoires static const __s32 mzero; /* default for 0 */ 9201eaac7eSBenjamin Tissoires 9301eaac7eSBenjamin Tissoires #define DEFAULT_TRUE ((void *)&mtrue) 9401eaac7eSBenjamin Tissoires #define DEFAULT_FALSE ((void *)&mfalse) 9501eaac7eSBenjamin Tissoires #define DEFAULT_ZERO ((void *)&mzero) 9601eaac7eSBenjamin Tissoires 9701eaac7eSBenjamin Tissoires struct mt_usages { 9801eaac7eSBenjamin Tissoires struct list_head list; 9901eaac7eSBenjamin Tissoires __s32 *x, *y, *cx, *cy, *p, *w, *h, *a; 10001eaac7eSBenjamin Tissoires __s32 *contactid; /* the device ContactID assigned to this slot */ 10101eaac7eSBenjamin Tissoires bool *tip_state; /* is the touch valid? */ 10201eaac7eSBenjamin Tissoires bool *inrange_state; /* is the finger in proximity of the sensor? */ 10301eaac7eSBenjamin Tissoires bool *confidence_state; /* is the touch made by a finger? */ 1045519cab4SBenjamin Tissoires }; 1055519cab4SBenjamin Tissoires 106f146d1c4SBenjamin Tissoires struct mt_application { 107f146d1c4SBenjamin Tissoires struct list_head list; 108f146d1c4SBenjamin Tissoires unsigned int application; 10969ecd44dSBenjamin Tissoires unsigned int report_id; 11001eaac7eSBenjamin Tissoires struct list_head mt_usages; /* mt usages list */ 1113ceb3826SBenjamin Tissoires 1123ceb3826SBenjamin Tissoires __s32 quirks; 1133ceb3826SBenjamin Tissoires 11401eaac7eSBenjamin Tissoires __s32 *scantime; /* scantime reported */ 11501eaac7eSBenjamin Tissoires __s32 scantime_logical_max; /* max value for raw scantime */ 116f146d1c4SBenjamin Tissoires 11701eaac7eSBenjamin Tissoires __s32 *raw_cc; /* contact count in the report */ 118f146d1c4SBenjamin Tissoires int left_button_state; /* left button state */ 119f146d1c4SBenjamin Tissoires unsigned int mt_flags; /* flags to pass to input-mt */ 120f146d1c4SBenjamin Tissoires 12128a042a3SDmitry Torokhov unsigned long *pending_palm_slots; /* slots where we reported palm 12228a042a3SDmitry Torokhov * and need to release */ 12328a042a3SDmitry Torokhov 124f146d1c4SBenjamin Tissoires __u8 num_received; /* how many contacts we received */ 125f146d1c4SBenjamin Tissoires __u8 num_expected; /* expected last contact index */ 126f146d1c4SBenjamin Tissoires __u8 buttons_count; /* number of physical buttons per touchpad */ 127f146d1c4SBenjamin Tissoires __u8 touches_by_report; /* how many touches are present in one report: 128f146d1c4SBenjamin Tissoires * 1 means we should use a serial protocol 129f146d1c4SBenjamin Tissoires * > 1 means hybrid (multitouch) protocol 130f146d1c4SBenjamin Tissoires */ 131f146d1c4SBenjamin Tissoires 132f146d1c4SBenjamin Tissoires __s32 dev_time; /* the scan time provided by the device */ 133f146d1c4SBenjamin Tissoires unsigned long jiffies; /* the frame's jiffies */ 134f146d1c4SBenjamin Tissoires int timestamp; /* the timestamp to be sent */ 135f146d1c4SBenjamin Tissoires int prev_scantime; /* scantime reported previously */ 136f146d1c4SBenjamin Tissoires 137f146d1c4SBenjamin Tissoires bool have_contact_count; 138f146d1c4SBenjamin Tissoires }; 139f146d1c4SBenjamin Tissoires 1405519cab4SBenjamin Tissoires struct mt_class { 1412d93666eSBenjamin Tissoires __s32 name; /* MT_CLS */ 1425519cab4SBenjamin Tissoires __s32 quirks; 1435519cab4SBenjamin Tissoires __s32 sn_move; /* Signal/noise ratio for move events */ 144f786bba4SBenjamin Tissoires __s32 sn_width; /* Signal/noise ratio for width events */ 145f786bba4SBenjamin Tissoires __s32 sn_height; /* Signal/noise ratio for height events */ 1465519cab4SBenjamin Tissoires __s32 sn_pressure; /* Signal/noise ratio for pressure events */ 1475519cab4SBenjamin Tissoires __u8 maxcontacts; 148c2ef8f21SBenjamin Tissoires bool is_indirect; /* true for touchpads */ 1496aef704eSBenjamin Tissoires bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ 1505519cab4SBenjamin Tissoires }; 1515519cab4SBenjamin Tissoires 1528dfe14b3SBenjamin Tissoires struct mt_report_data { 1538dfe14b3SBenjamin Tissoires struct list_head list; 1548dfe14b3SBenjamin Tissoires struct hid_report *report; 1558dfe14b3SBenjamin Tissoires struct mt_application *application; 1568dfe14b3SBenjamin Tissoires bool is_mt_collection; 1578dfe14b3SBenjamin Tissoires }; 1588dfe14b3SBenjamin Tissoires 1595519cab4SBenjamin Tissoires struct mt_device { 160eec29e3dSBenjamin Tissoires struct mt_class mtclass; /* our mt device class */ 1614f4001bcSBenjamin Tissoires struct timer_list release_timer; /* to release sticky fingers */ 1620ee32774SKees Cook struct hid_device *hdev; /* hid_device we're attached to */ 1634f4001bcSBenjamin Tissoires unsigned long mt_io_flags; /* mt flags (MT_IO_FLAGS_*) */ 1649abebedbSAndrew Duggan __u8 inputmode_value; /* InputMode HID feature value */ 1655519cab4SBenjamin Tissoires __u8 maxcontacts; 1662c6e0277SSeth Forshee bool is_buttonpad; /* is this device a button pad? */ 16776f5902aSHenrik Rydberg bool serial_maybe; /* need to check for serial protocol */ 168f146d1c4SBenjamin Tissoires 169f146d1c4SBenjamin Tissoires struct list_head applications; 1708dfe14b3SBenjamin Tissoires struct list_head reports; 1715519cab4SBenjamin Tissoires }; 1725519cab4SBenjamin Tissoires 173f146d1c4SBenjamin Tissoires static void mt_post_parse_default_settings(struct mt_device *td, 174f146d1c4SBenjamin Tissoires struct mt_application *app); 175f146d1c4SBenjamin Tissoires static void mt_post_parse(struct mt_device *td, struct mt_application *app); 176a69c5f8bSBenjamin Tissoires 1775519cab4SBenjamin Tissoires /* classes of device behavior */ 17822408283SBenjamin Tissoires #define MT_CLS_DEFAULT 0x0001 17922408283SBenjamin Tissoires 180a062cc5aSStephane Chatty #define MT_CLS_SERIAL 0x0002 181a062cc5aSStephane Chatty #define MT_CLS_CONFIDENCE 0x0003 1825e7ea11fSBenjamin Tissoires #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 1835e7ea11fSBenjamin Tissoires #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 1845e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 1855e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 1860fa9c616SBenjamin Tissoires /* reserved 0x0008 */ 187b7ea95ffSAaron Tian #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 188dc3e1d80SBenjamin Tissoires #define MT_CLS_NSMU 0x000a 1890fa9c616SBenjamin Tissoires /* reserved 0x0010 */ 1900fa9c616SBenjamin Tissoires /* reserved 0x0011 */ 191f961bd35SBenjamin Tissoires #define MT_CLS_WIN_8 0x0012 1926aef704eSBenjamin Tissoires #define MT_CLS_EXPORT_ALL_INPUTS 0x0013 19327a6f701SKai-Heng Feng /* reserved 0x0014 */ 19440d5bb87SBenjamin Tissoires #define MT_CLS_WIN_8_FORCE_MULTI_INPUT 0x0015 19531a4cf1dSHans de Goede #define MT_CLS_WIN_8_DISABLE_WAKEUP 0x0016 19608b9a61aSJosé Expósito #define MT_CLS_WIN_8_NO_STICKY_FINGERS 0x0017 19722408283SBenjamin Tissoires 19822408283SBenjamin Tissoires /* vendor specific classes */ 19922408283SBenjamin Tissoires #define MT_CLS_3M 0x0101 2000fa9c616SBenjamin Tissoires /* reserved 0x0102 */ 20122408283SBenjamin Tissoires #define MT_CLS_EGALAX 0x0103 2021b723e8dSBenjamin Tissoires #define MT_CLS_EGALAX_SERIAL 0x0104 203847672cdSBenjamin Tissoires #define MT_CLS_TOPSEED 0x0105 2042258e863SDenis Kovalev #define MT_CLS_PANASONIC 0x0106 20577723e3bSHenrik Rydberg #define MT_CLS_FLATFROG 0x0107 206cdcd3ac4SJiri Kosina #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 207cdcd3ac4SJiri Kosina #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 208f3287a99SBenjamin Tissoires #define MT_CLS_LG 0x010a 209957b8dffSJoão Paulo Rechi Vita #define MT_CLS_ASUS 0x010b 210da10bc25SMathieu Magnaudet #define MT_CLS_VTL 0x0110 2110e82232cSWei-Ning Huang #define MT_CLS_GOOGLE 0x0111 212843e475fSBenjamin Tissoires #define MT_CLS_RAZER_BLADE_STEALTH 0x0112 21369ecd44dSBenjamin Tissoires #define MT_CLS_SMART_TECH 0x0113 2145519cab4SBenjamin Tissoires 2159498f954SBenjamin Tissoires #define MT_DEFAULT_MAXCONTACT 10 216afbcb04cSBenjamin Tissoires #define MT_MAX_MAXCONTACT 250 2179498f954SBenjamin Tissoires 21829cc309dSNicolas Boichat /* 21929cc309dSNicolas Boichat * Resync device and local timestamps after that many microseconds without 22029cc309dSNicolas Boichat * receiving data. 22129cc309dSNicolas Boichat */ 22229cc309dSNicolas Boichat #define MAX_TIMESTAMP_INTERVAL 1000000 22329cc309dSNicolas Boichat 2242c2110e9SHenrik Rydberg #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) 2252c2110e9SHenrik Rydberg #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) 2262c2110e9SHenrik Rydberg 2275519cab4SBenjamin Tissoires /* 2285519cab4SBenjamin Tissoires * these device-dependent functions determine what slot corresponds 2295519cab4SBenjamin Tissoires * to a valid contact that was just read. 2305519cab4SBenjamin Tissoires */ 2315519cab4SBenjamin Tissoires 23201eaac7eSBenjamin Tissoires static int cypress_compute_slot(struct mt_application *application, 23301eaac7eSBenjamin Tissoires struct mt_usages *slot) 234a3b5e577SBenjamin Tissoires { 23501eaac7eSBenjamin Tissoires if (*slot->contactid != 0 || application->num_received == 0) 23601eaac7eSBenjamin Tissoires return *slot->contactid; 237a3b5e577SBenjamin Tissoires else 238a3b5e577SBenjamin Tissoires return -1; 239a3b5e577SBenjamin Tissoires } 240a3b5e577SBenjamin Tissoires 241cf6d15d7SBenjamin Tissoires static const struct mt_class mt_classes[] = { 2422d93666eSBenjamin Tissoires { .name = MT_CLS_DEFAULT, 243dc3e1d80SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 244dc3e1d80SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE }, 245dc3e1d80SBenjamin Tissoires { .name = MT_CLS_NSMU, 2469498f954SBenjamin Tissoires .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, 247a062cc5aSStephane Chatty { .name = MT_CLS_SERIAL, 248a062cc5aSStephane Chatty .quirks = MT_QUIRK_ALWAYS_VALID}, 24922408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE, 25022408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, 2515e7ea11fSBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_CONTACT_ID, 2525e7ea11fSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 2535e7ea11fSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID }, 25422408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_MINUS_ONE, 25522408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 25622408283SBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, 2571e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTID, 2582d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 2592d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID, 2602d93666eSBenjamin Tissoires .maxcontacts = 2 }, 2611e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 2622d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 2632d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTNUMBER, 2642d93666eSBenjamin Tissoires .maxcontacts = 2 }, 265b7ea95ffSAaron Tian { .name = MT_CLS_INRANGE_CONTACTNUMBER, 266b7ea95ffSAaron Tian .quirks = MT_QUIRK_VALID_IS_INRANGE | 267b7ea95ffSAaron Tian MT_QUIRK_SLOT_IS_CONTACTNUMBER }, 268f961bd35SBenjamin Tissoires { .name = MT_CLS_WIN_8, 269f961bd35SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 270f961bd35SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 271f961bd35SBenjamin Tissoires MT_QUIRK_HOVERING | 2724f4001bcSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 273d9c57a70SBenjamin Tissoires MT_QUIRK_STICKY_FINGERS | 274c23e2043SBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS, 275c23e2043SBenjamin Tissoires .export_all_inputs = true }, 2766aef704eSBenjamin Tissoires { .name = MT_CLS_EXPORT_ALL_INPUTS, 2776aef704eSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 2786aef704eSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE, 2796aef704eSBenjamin Tissoires .export_all_inputs = true }, 28040d5bb87SBenjamin Tissoires { .name = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 28140d5bb87SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 28240d5bb87SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 28340d5bb87SBenjamin Tissoires MT_QUIRK_HOVERING | 28440d5bb87SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 28540d5bb87SBenjamin Tissoires MT_QUIRK_STICKY_FINGERS | 28640d5bb87SBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS | 28740d5bb87SBenjamin Tissoires MT_QUIRK_FORCE_MULTI_INPUT, 28840d5bb87SBenjamin Tissoires .export_all_inputs = true }, 28931a4cf1dSHans de Goede { .name = MT_CLS_WIN_8_DISABLE_WAKEUP, 29031a4cf1dSHans de Goede .quirks = MT_QUIRK_ALWAYS_VALID | 29131a4cf1dSHans de Goede MT_QUIRK_IGNORE_DUPLICATES | 29231a4cf1dSHans de Goede MT_QUIRK_HOVERING | 29331a4cf1dSHans de Goede MT_QUIRK_CONTACT_CNT_ACCURATE | 29431a4cf1dSHans de Goede MT_QUIRK_STICKY_FINGERS | 29531a4cf1dSHans de Goede MT_QUIRK_WIN8_PTP_BUTTONS | 29631a4cf1dSHans de Goede MT_QUIRK_DISABLE_WAKEUP, 29731a4cf1dSHans de Goede .export_all_inputs = true }, 29808b9a61aSJosé Expósito { .name = MT_CLS_WIN_8_NO_STICKY_FINGERS, 29908b9a61aSJosé Expósito .quirks = MT_QUIRK_ALWAYS_VALID | 30008b9a61aSJosé Expósito MT_QUIRK_IGNORE_DUPLICATES | 30108b9a61aSJosé Expósito MT_QUIRK_HOVERING | 30208b9a61aSJosé Expósito MT_QUIRK_CONTACT_CNT_ACCURATE | 30308b9a61aSJosé Expósito MT_QUIRK_WIN8_PTP_BUTTONS, 30408b9a61aSJosé Expósito .export_all_inputs = true }, 30522408283SBenjamin Tissoires 30622408283SBenjamin Tissoires /* 30722408283SBenjamin Tissoires * vendor specific classes 30822408283SBenjamin Tissoires */ 30922408283SBenjamin Tissoires { .name = MT_CLS_3M, 31022408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 311e9d0a26dSHungNien Chen MT_QUIRK_SLOT_IS_CONTACTID | 312e9d0a26dSHungNien Chen MT_QUIRK_TOUCH_SIZE_SCALING, 31322408283SBenjamin Tissoires .sn_move = 2048, 31422408283SBenjamin Tissoires .sn_width = 128, 315c5d40be5SHenrik Rydberg .sn_height = 128, 316c5d40be5SHenrik Rydberg .maxcontacts = 60, 317c5d40be5SHenrik Rydberg }, 3184875ac11SRichard Nauber { .name = MT_CLS_EGALAX, 3194875ac11SRichard Nauber .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 3202261bb9fSBenjamin Tissoires MT_QUIRK_VALID_IS_INRANGE, 3214875ac11SRichard Nauber .sn_move = 4096, 3224875ac11SRichard Nauber .sn_pressure = 32, 3234875ac11SRichard Nauber }, 3241b723e8dSBenjamin Tissoires { .name = MT_CLS_EGALAX_SERIAL, 3251b723e8dSBenjamin Tissoires .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 3261b723e8dSBenjamin Tissoires MT_QUIRK_ALWAYS_VALID, 3272d93666eSBenjamin Tissoires .sn_move = 4096, 3282d93666eSBenjamin Tissoires .sn_pressure = 32, 3292d93666eSBenjamin Tissoires }, 330847672cdSBenjamin Tissoires { .name = MT_CLS_TOPSEED, 331847672cdSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID, 332847672cdSBenjamin Tissoires .is_indirect = true, 333847672cdSBenjamin Tissoires .maxcontacts = 2, 334847672cdSBenjamin Tissoires }, 3352258e863SDenis Kovalev { .name = MT_CLS_PANASONIC, 3362258e863SDenis Kovalev .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, 3372258e863SDenis Kovalev .maxcontacts = 4 }, 338f5ff4e1eSXianhan Yu { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, 339f5ff4e1eSXianhan Yu .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 340f5ff4e1eSXianhan Yu MT_QUIRK_VALID_IS_INRANGE | 3417b226292SLuosong MT_QUIRK_SLOT_IS_CONTACTID, 342f5ff4e1eSXianhan Yu .maxcontacts = 2 343f5ff4e1eSXianhan Yu }, 344f5ff4e1eSXianhan Yu { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 345f5ff4e1eSXianhan Yu .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 3467b226292SLuosong MT_QUIRK_SLOT_IS_CONTACTID 347f5ff4e1eSXianhan Yu }, 348043b403aSBenjamin Tissoires 34977723e3bSHenrik Rydberg { .name = MT_CLS_FLATFROG, 35077723e3bSHenrik Rydberg .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 35177723e3bSHenrik Rydberg MT_QUIRK_NO_AREA, 35277723e3bSHenrik Rydberg .sn_move = 2048, 35377723e3bSHenrik Rydberg .maxcontacts = 40, 35477723e3bSHenrik Rydberg }, 355f3287a99SBenjamin Tissoires { .name = MT_CLS_LG, 356f3287a99SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 357f3287a99SBenjamin Tissoires MT_QUIRK_FIX_CONST_CONTACT_ID | 358f3287a99SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 359f3287a99SBenjamin Tissoires MT_QUIRK_HOVERING | 360f3287a99SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE }, 361957b8dffSJoão Paulo Rechi Vita { .name = MT_CLS_ASUS, 362957b8dffSJoão Paulo Rechi Vita .quirks = MT_QUIRK_ALWAYS_VALID | 363957b8dffSJoão Paulo Rechi Vita MT_QUIRK_CONTACT_CNT_ACCURATE | 364957b8dffSJoão Paulo Rechi Vita MT_QUIRK_ASUS_CUSTOM_UP }, 365da10bc25SMathieu Magnaudet { .name = MT_CLS_VTL, 366da10bc25SMathieu Magnaudet .quirks = MT_QUIRK_ALWAYS_VALID | 367da10bc25SMathieu Magnaudet MT_QUIRK_CONTACT_CNT_ACCURATE | 368da10bc25SMathieu Magnaudet MT_QUIRK_FORCE_GET_FEATURE, 369da10bc25SMathieu Magnaudet }, 3700e82232cSWei-Ning Huang { .name = MT_CLS_GOOGLE, 3710e82232cSWei-Ning Huang .quirks = MT_QUIRK_ALWAYS_VALID | 3720e82232cSWei-Ning Huang MT_QUIRK_CONTACT_CNT_ACCURATE | 3730e82232cSWei-Ning Huang MT_QUIRK_SLOT_IS_CONTACTID | 3740e82232cSWei-Ning Huang MT_QUIRK_HOVERING 3750e82232cSWei-Ning Huang }, 376843e475fSBenjamin Tissoires { .name = MT_CLS_RAZER_BLADE_STEALTH, 377843e475fSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 378843e475fSBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 379843e475fSBenjamin Tissoires MT_QUIRK_HOVERING | 380843e475fSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 381843e475fSBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS, 382843e475fSBenjamin Tissoires }, 38369ecd44dSBenjamin Tissoires { .name = MT_CLS_SMART_TECH, 38469ecd44dSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 38569ecd44dSBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 38669ecd44dSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 38769ecd44dSBenjamin Tissoires MT_QUIRK_SEPARATE_APP_REPORT, 38869ecd44dSBenjamin Tissoires }, 3892d93666eSBenjamin Tissoires { } 3905519cab4SBenjamin Tissoires }; 3915519cab4SBenjamin Tissoires 392eec29e3dSBenjamin Tissoires static ssize_t mt_show_quirks(struct device *dev, 393eec29e3dSBenjamin Tissoires struct device_attribute *attr, 394eec29e3dSBenjamin Tissoires char *buf) 395eec29e3dSBenjamin Tissoires { 396ee79a8f8SGeliang Tang struct hid_device *hdev = to_hid_device(dev); 397eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 398eec29e3dSBenjamin Tissoires 399eec29e3dSBenjamin Tissoires return sprintf(buf, "%u\n", td->mtclass.quirks); 400eec29e3dSBenjamin Tissoires } 401eec29e3dSBenjamin Tissoires 402eec29e3dSBenjamin Tissoires static ssize_t mt_set_quirks(struct device *dev, 403eec29e3dSBenjamin Tissoires struct device_attribute *attr, 404eec29e3dSBenjamin Tissoires const char *buf, size_t count) 405eec29e3dSBenjamin Tissoires { 406ee79a8f8SGeliang Tang struct hid_device *hdev = to_hid_device(dev); 407eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 408f146d1c4SBenjamin Tissoires struct mt_application *application; 409eec29e3dSBenjamin Tissoires 410eec29e3dSBenjamin Tissoires unsigned long val; 411eec29e3dSBenjamin Tissoires 412eec29e3dSBenjamin Tissoires if (kstrtoul(buf, 0, &val)) 413eec29e3dSBenjamin Tissoires return -EINVAL; 414eec29e3dSBenjamin Tissoires 415eec29e3dSBenjamin Tissoires td->mtclass.quirks = val; 416eec29e3dSBenjamin Tissoires 417f146d1c4SBenjamin Tissoires list_for_each_entry(application, &td->applications, list) { 4183ceb3826SBenjamin Tissoires application->quirks = val; 4193ceb3826SBenjamin Tissoires if (!application->have_contact_count) 4203ceb3826SBenjamin Tissoires application->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 421f146d1c4SBenjamin Tissoires } 422f146d1c4SBenjamin Tissoires 423eec29e3dSBenjamin Tissoires return count; 424eec29e3dSBenjamin Tissoires } 425eec29e3dSBenjamin Tissoires 426eec29e3dSBenjamin Tissoires static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); 427eec29e3dSBenjamin Tissoires 428eec29e3dSBenjamin Tissoires static struct attribute *sysfs_attrs[] = { 429eec29e3dSBenjamin Tissoires &dev_attr_quirks.attr, 430eec29e3dSBenjamin Tissoires NULL 431eec29e3dSBenjamin Tissoires }; 432eec29e3dSBenjamin Tissoires 4339182fb98SArvind Yadav static const struct attribute_group mt_attribute_group = { 434eec29e3dSBenjamin Tissoires .attrs = sysfs_attrs 435eec29e3dSBenjamin Tissoires }; 436eec29e3dSBenjamin Tissoires 4376d4f5440SMika Westerberg static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) 4386d4f5440SMika Westerberg { 4393064a03bSAaron Ma int ret; 4403064a03bSAaron Ma u32 size = hid_report_len(report); 4416d4f5440SMika Westerberg u8 *buf; 4426d4f5440SMika Westerberg 4436d4f5440SMika Westerberg /* 444b897f6dbSBenjamin Tissoires * Do not fetch the feature report if the device has been explicitly 445b897f6dbSBenjamin Tissoires * marked as non-capable. 4466d4f5440SMika Westerberg */ 447adaabbf4SBenjamin Tissoires if (hdev->quirks & HID_QUIRK_NO_INIT_REPORTS) 4486d4f5440SMika Westerberg return; 4496d4f5440SMika Westerberg 4506d4f5440SMika Westerberg buf = hid_alloc_report_buf(report, GFP_KERNEL); 4516d4f5440SMika Westerberg if (!buf) 4526d4f5440SMika Westerberg return; 4536d4f5440SMika Westerberg 4546d4f5440SMika Westerberg ret = hid_hw_raw_request(hdev, report->id, buf, size, 4556d4f5440SMika Westerberg HID_FEATURE_REPORT, HID_REQ_GET_REPORT); 4566d4f5440SMika Westerberg if (ret < 0) { 4576d4f5440SMika Westerberg dev_warn(&hdev->dev, "failed to fetch feature %d\n", 4586d4f5440SMika Westerberg report->id); 4596d4f5440SMika Westerberg } else { 4606d4f5440SMika Westerberg ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, 4616d4f5440SMika Westerberg size, 0); 4626d4f5440SMika Westerberg if (ret) 4636d4f5440SMika Westerberg dev_warn(&hdev->dev, "failed to report feature\n"); 4646d4f5440SMika Westerberg } 4656d4f5440SMika Westerberg 4666d4f5440SMika Westerberg kfree(buf); 4676d4f5440SMika Westerberg } 4686d4f5440SMika Westerberg 469f635bd11SHenrik Rydberg static void mt_feature_mapping(struct hid_device *hdev, 4705519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage) 4715519cab4SBenjamin Tissoires { 4725519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 4739498f954SBenjamin Tissoires 4749498f954SBenjamin Tissoires switch (usage->hid) { 4759498f954SBenjamin Tissoires case HID_DG_CONTACTMAX: 4766d4f5440SMika Westerberg mt_get_feature(hdev, field->report); 4776d4f5440SMika Westerberg 4789498f954SBenjamin Tissoires td->maxcontacts = field->value[0]; 479afbcb04cSBenjamin Tissoires if (!td->maxcontacts && 480afbcb04cSBenjamin Tissoires field->logical_maximum <= MT_MAX_MAXCONTACT) 481afbcb04cSBenjamin Tissoires td->maxcontacts = field->logical_maximum; 482eec29e3dSBenjamin Tissoires if (td->mtclass.maxcontacts) 4839498f954SBenjamin Tissoires /* check if the maxcontacts is given by the class */ 484eec29e3dSBenjamin Tissoires td->maxcontacts = td->mtclass.maxcontacts; 4859498f954SBenjamin Tissoires 4869498f954SBenjamin Tissoires break; 4872c6e0277SSeth Forshee case HID_DG_BUTTONTYPE: 4882c6e0277SSeth Forshee if (usage->usage_index >= field->report_count) { 4892c6e0277SSeth Forshee dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); 4902c6e0277SSeth Forshee break; 4912c6e0277SSeth Forshee } 4922c6e0277SSeth Forshee 4936d4f5440SMika Westerberg mt_get_feature(hdev, field->report); 4942c6e0277SSeth Forshee if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) 4952c6e0277SSeth Forshee td->is_buttonpad = true; 4962c6e0277SSeth Forshee 4972c6e0277SSeth Forshee break; 49845c5c682SBenjamin Tissoires case 0xff0000c5: 49945c5c682SBenjamin Tissoires /* Retrieve the Win8 blob once to enable some devices */ 50045c5c682SBenjamin Tissoires if (usage->usage_index == 0) 50145c5c682SBenjamin Tissoires mt_get_feature(hdev, field->report); 50245c5c682SBenjamin Tissoires break; 5035519cab4SBenjamin Tissoires } 5045519cab4SBenjamin Tissoires } 5055519cab4SBenjamin Tissoires 5065519cab4SBenjamin Tissoires static void set_abs(struct input_dev *input, unsigned int code, 5075519cab4SBenjamin Tissoires struct hid_field *field, int snratio) 5085519cab4SBenjamin Tissoires { 5095519cab4SBenjamin Tissoires int fmin = field->logical_minimum; 5105519cab4SBenjamin Tissoires int fmax = field->logical_maximum; 5115519cab4SBenjamin Tissoires int fuzz = snratio ? (fmax - fmin) / snratio : 0; 5125519cab4SBenjamin Tissoires input_set_abs_params(input, code, fmin, fmax, fuzz, 0); 51337cf6e6fSBenjamin Tissoires input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); 5145519cab4SBenjamin Tissoires } 5155519cab4SBenjamin Tissoires 51601eaac7eSBenjamin Tissoires static struct mt_usages *mt_allocate_usage(struct hid_device *hdev, 51701eaac7eSBenjamin Tissoires struct mt_application *application) 51801eaac7eSBenjamin Tissoires { 51901eaac7eSBenjamin Tissoires struct mt_usages *usage; 52001eaac7eSBenjamin Tissoires 52101eaac7eSBenjamin Tissoires usage = devm_kzalloc(&hdev->dev, sizeof(*usage), GFP_KERNEL); 52201eaac7eSBenjamin Tissoires if (!usage) 52301eaac7eSBenjamin Tissoires return NULL; 52401eaac7eSBenjamin Tissoires 52501eaac7eSBenjamin Tissoires /* set some defaults so we do not need to check for null pointers */ 52601eaac7eSBenjamin Tissoires usage->x = DEFAULT_ZERO; 52701eaac7eSBenjamin Tissoires usage->y = DEFAULT_ZERO; 52801eaac7eSBenjamin Tissoires usage->cx = DEFAULT_ZERO; 52901eaac7eSBenjamin Tissoires usage->cy = DEFAULT_ZERO; 53001eaac7eSBenjamin Tissoires usage->p = DEFAULT_ZERO; 53101eaac7eSBenjamin Tissoires usage->w = DEFAULT_ZERO; 53201eaac7eSBenjamin Tissoires usage->h = DEFAULT_ZERO; 53301eaac7eSBenjamin Tissoires usage->a = DEFAULT_ZERO; 53401eaac7eSBenjamin Tissoires usage->contactid = DEFAULT_ZERO; 53501eaac7eSBenjamin Tissoires usage->tip_state = DEFAULT_FALSE; 53601eaac7eSBenjamin Tissoires usage->inrange_state = DEFAULT_FALSE; 53701eaac7eSBenjamin Tissoires usage->confidence_state = DEFAULT_TRUE; 53801eaac7eSBenjamin Tissoires 53901eaac7eSBenjamin Tissoires list_add_tail(&usage->list, &application->mt_usages); 54001eaac7eSBenjamin Tissoires 54101eaac7eSBenjamin Tissoires return usage; 54201eaac7eSBenjamin Tissoires } 54301eaac7eSBenjamin Tissoires 544f146d1c4SBenjamin Tissoires static struct mt_application *mt_allocate_application(struct mt_device *td, 54569ecd44dSBenjamin Tissoires struct hid_report *report) 546f146d1c4SBenjamin Tissoires { 54769ecd44dSBenjamin Tissoires unsigned int application = report->application; 548f146d1c4SBenjamin Tissoires struct mt_application *mt_application; 549f146d1c4SBenjamin Tissoires 550f146d1c4SBenjamin Tissoires mt_application = devm_kzalloc(&td->hdev->dev, sizeof(*mt_application), 551f146d1c4SBenjamin Tissoires GFP_KERNEL); 552f146d1c4SBenjamin Tissoires if (!mt_application) 553f146d1c4SBenjamin Tissoires return NULL; 554f146d1c4SBenjamin Tissoires 555f146d1c4SBenjamin Tissoires mt_application->application = application; 55601eaac7eSBenjamin Tissoires INIT_LIST_HEAD(&mt_application->mt_usages); 557f146d1c4SBenjamin Tissoires 558f146d1c4SBenjamin Tissoires if (application == HID_DG_TOUCHSCREEN) 559f146d1c4SBenjamin Tissoires mt_application->mt_flags |= INPUT_MT_DIRECT; 560f146d1c4SBenjamin Tissoires 561f146d1c4SBenjamin Tissoires /* 562f146d1c4SBenjamin Tissoires * Model touchscreens providing buttons as touchpads. 563f146d1c4SBenjamin Tissoires */ 564f146d1c4SBenjamin Tissoires if (application == HID_DG_TOUCHPAD) { 565f146d1c4SBenjamin Tissoires mt_application->mt_flags |= INPUT_MT_POINTER; 566f146d1c4SBenjamin Tissoires td->inputmode_value = MT_INPUTMODE_TOUCHPAD; 567f146d1c4SBenjamin Tissoires } 568f146d1c4SBenjamin Tissoires 56901eaac7eSBenjamin Tissoires mt_application->scantime = DEFAULT_ZERO; 57001eaac7eSBenjamin Tissoires mt_application->raw_cc = DEFAULT_ZERO; 5713ceb3826SBenjamin Tissoires mt_application->quirks = td->mtclass.quirks; 57269ecd44dSBenjamin Tissoires mt_application->report_id = report->id; 573f146d1c4SBenjamin Tissoires 574f146d1c4SBenjamin Tissoires list_add_tail(&mt_application->list, &td->applications); 575f146d1c4SBenjamin Tissoires 576f146d1c4SBenjamin Tissoires return mt_application; 577f146d1c4SBenjamin Tissoires } 578f146d1c4SBenjamin Tissoires 579f146d1c4SBenjamin Tissoires static struct mt_application *mt_find_application(struct mt_device *td, 58069ecd44dSBenjamin Tissoires struct hid_report *report) 581f146d1c4SBenjamin Tissoires { 58269ecd44dSBenjamin Tissoires unsigned int application = report->application; 583f146d1c4SBenjamin Tissoires struct mt_application *tmp, *mt_application = NULL; 584f146d1c4SBenjamin Tissoires 585f146d1c4SBenjamin Tissoires list_for_each_entry(tmp, &td->applications, list) { 586f146d1c4SBenjamin Tissoires if (application == tmp->application) { 58769ecd44dSBenjamin Tissoires if (!(td->mtclass.quirks & MT_QUIRK_SEPARATE_APP_REPORT) || 58869ecd44dSBenjamin Tissoires tmp->report_id == report->id) { 589f146d1c4SBenjamin Tissoires mt_application = tmp; 590f146d1c4SBenjamin Tissoires break; 591f146d1c4SBenjamin Tissoires } 592f146d1c4SBenjamin Tissoires } 59369ecd44dSBenjamin Tissoires } 594f146d1c4SBenjamin Tissoires 595f146d1c4SBenjamin Tissoires if (!mt_application) 59669ecd44dSBenjamin Tissoires mt_application = mt_allocate_application(td, report); 597f146d1c4SBenjamin Tissoires 598f146d1c4SBenjamin Tissoires return mt_application; 599f146d1c4SBenjamin Tissoires } 600f146d1c4SBenjamin Tissoires 6018dfe14b3SBenjamin Tissoires static struct mt_report_data *mt_allocate_report_data(struct mt_device *td, 6028dfe14b3SBenjamin Tissoires struct hid_report *report) 6038dfe14b3SBenjamin Tissoires { 6048dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 6058dfe14b3SBenjamin Tissoires struct hid_field *field; 6068dfe14b3SBenjamin Tissoires int r, n; 6078dfe14b3SBenjamin Tissoires 6088dfe14b3SBenjamin Tissoires rdata = devm_kzalloc(&td->hdev->dev, sizeof(*rdata), GFP_KERNEL); 6098dfe14b3SBenjamin Tissoires if (!rdata) 6108dfe14b3SBenjamin Tissoires return NULL; 6118dfe14b3SBenjamin Tissoires 6128dfe14b3SBenjamin Tissoires rdata->report = report; 61369ecd44dSBenjamin Tissoires rdata->application = mt_find_application(td, report); 6148dfe14b3SBenjamin Tissoires 6158dfe14b3SBenjamin Tissoires if (!rdata->application) { 6168dfe14b3SBenjamin Tissoires devm_kfree(&td->hdev->dev, rdata); 6178dfe14b3SBenjamin Tissoires return NULL; 6188dfe14b3SBenjamin Tissoires } 6198dfe14b3SBenjamin Tissoires 6208dfe14b3SBenjamin Tissoires for (r = 0; r < report->maxfield; r++) { 6218dfe14b3SBenjamin Tissoires field = report->field[r]; 6228dfe14b3SBenjamin Tissoires 6238dfe14b3SBenjamin Tissoires if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) 6248dfe14b3SBenjamin Tissoires continue; 6258dfe14b3SBenjamin Tissoires 626a2353e3bSAhelenia Ziemiańska if (field->logical == HID_DG_FINGER || td->hdev->group != HID_GROUP_MULTITOUCH_WIN_8) { 6278dfe14b3SBenjamin Tissoires for (n = 0; n < field->report_count; n++) { 628a2353e3bSAhelenia Ziemiańska if (field->usage[n].hid == HID_DG_CONTACTID) { 6298dfe14b3SBenjamin Tissoires rdata->is_mt_collection = true; 630a2353e3bSAhelenia Ziemiańska break; 631a2353e3bSAhelenia Ziemiańska } 632a2353e3bSAhelenia Ziemiańska } 6338dfe14b3SBenjamin Tissoires } 6348dfe14b3SBenjamin Tissoires } 6358dfe14b3SBenjamin Tissoires 6368dfe14b3SBenjamin Tissoires list_add_tail(&rdata->list, &td->reports); 6378dfe14b3SBenjamin Tissoires 6388dfe14b3SBenjamin Tissoires return rdata; 6398dfe14b3SBenjamin Tissoires } 6408dfe14b3SBenjamin Tissoires 6418dfe14b3SBenjamin Tissoires static struct mt_report_data *mt_find_report_data(struct mt_device *td, 6428dfe14b3SBenjamin Tissoires struct hid_report *report) 6438dfe14b3SBenjamin Tissoires { 6448dfe14b3SBenjamin Tissoires struct mt_report_data *tmp, *rdata = NULL; 6458dfe14b3SBenjamin Tissoires 6468dfe14b3SBenjamin Tissoires list_for_each_entry(tmp, &td->reports, list) { 6478dfe14b3SBenjamin Tissoires if (report == tmp->report) { 6488dfe14b3SBenjamin Tissoires rdata = tmp; 6498dfe14b3SBenjamin Tissoires break; 6508dfe14b3SBenjamin Tissoires } 6518dfe14b3SBenjamin Tissoires } 6528dfe14b3SBenjamin Tissoires 6538dfe14b3SBenjamin Tissoires if (!rdata) 6548dfe14b3SBenjamin Tissoires rdata = mt_allocate_report_data(td, report); 6558dfe14b3SBenjamin Tissoires 6568dfe14b3SBenjamin Tissoires return rdata; 6578dfe14b3SBenjamin Tissoires } 6588dfe14b3SBenjamin Tissoires 65901eaac7eSBenjamin Tissoires static void mt_store_field(struct hid_device *hdev, 66001eaac7eSBenjamin Tissoires struct mt_application *application, 66101eaac7eSBenjamin Tissoires __s32 *value, 66201eaac7eSBenjamin Tissoires size_t offset) 663ed9d5c96SBenjamin Tissoires { 66401eaac7eSBenjamin Tissoires struct mt_usages *usage; 66501eaac7eSBenjamin Tissoires __s32 **target; 6663ac36d15SBenjamin Tissoires 66701eaac7eSBenjamin Tissoires if (list_empty(&application->mt_usages)) 66801eaac7eSBenjamin Tissoires usage = mt_allocate_usage(hdev, application); 66901eaac7eSBenjamin Tissoires else 67001eaac7eSBenjamin Tissoires usage = list_last_entry(&application->mt_usages, 67101eaac7eSBenjamin Tissoires struct mt_usages, 67201eaac7eSBenjamin Tissoires list); 67301eaac7eSBenjamin Tissoires 67401eaac7eSBenjamin Tissoires if (!usage) 6753ac36d15SBenjamin Tissoires return; 6763ac36d15SBenjamin Tissoires 67701eaac7eSBenjamin Tissoires target = (__s32 **)((char *)usage + offset); 67801eaac7eSBenjamin Tissoires 67901eaac7eSBenjamin Tissoires /* the value has already been filled, create a new slot */ 68001eaac7eSBenjamin Tissoires if (*target != DEFAULT_TRUE && 68101eaac7eSBenjamin Tissoires *target != DEFAULT_FALSE && 68201eaac7eSBenjamin Tissoires *target != DEFAULT_ZERO) { 68381bcbad5SBenjamin Tissoires if (usage->contactid == DEFAULT_ZERO || 68481bcbad5SBenjamin Tissoires usage->x == DEFAULT_ZERO || 68581bcbad5SBenjamin Tissoires usage->y == DEFAULT_ZERO) { 68681bcbad5SBenjamin Tissoires hid_dbg(hdev, 68781bcbad5SBenjamin Tissoires "ignoring duplicate usage on incomplete"); 68881bcbad5SBenjamin Tissoires return; 68981bcbad5SBenjamin Tissoires } 69001eaac7eSBenjamin Tissoires usage = mt_allocate_usage(hdev, application); 69101eaac7eSBenjamin Tissoires if (!usage) 69201eaac7eSBenjamin Tissoires return; 69301eaac7eSBenjamin Tissoires 69401eaac7eSBenjamin Tissoires target = (__s32 **)((char *)usage + offset); 695ed9d5c96SBenjamin Tissoires } 696ed9d5c96SBenjamin Tissoires 69701eaac7eSBenjamin Tissoires *target = value; 69801eaac7eSBenjamin Tissoires } 69901eaac7eSBenjamin Tissoires 70001eaac7eSBenjamin Tissoires #define MT_STORE_FIELD(__name) \ 70101eaac7eSBenjamin Tissoires mt_store_field(hdev, app, \ 70201eaac7eSBenjamin Tissoires &field->value[usage->usage_index], \ 70301eaac7eSBenjamin Tissoires offsetof(struct mt_usages, __name)) 70401eaac7eSBenjamin Tissoires 705a69c5f8bSBenjamin Tissoires static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, 7065519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 707f146d1c4SBenjamin Tissoires unsigned long **bit, int *max, struct mt_application *app) 7085519cab4SBenjamin Tissoires { 7095519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 710eec29e3dSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 711c2ef8f21SBenjamin Tissoires int code; 712349fd670SBenjamin Tissoires struct hid_usage *prev_usage = NULL; 7134875ac11SRichard Nauber 71476f5902aSHenrik Rydberg /* 71576f5902aSHenrik Rydberg * Model touchscreens providing buttons as touchpads. 716c2ef8f21SBenjamin Tissoires */ 717ba6b055eSBenjamin Tissoires if (field->application == HID_DG_TOUCHSCREEN && 718ba6b055eSBenjamin Tissoires (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { 719f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_POINTER; 7209abebedbSAndrew Duggan td->inputmode_value = MT_INPUTMODE_TOUCHPAD; 7219abebedbSAndrew Duggan } 722c2ef8f21SBenjamin Tissoires 723015fdaa9SBenjamin Tissoires /* count the buttons on touchpads */ 724015fdaa9SBenjamin Tissoires if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) 725f146d1c4SBenjamin Tissoires app->buttons_count++; 726015fdaa9SBenjamin Tissoires 727349fd670SBenjamin Tissoires if (usage->usage_index) 728349fd670SBenjamin Tissoires prev_usage = &field->usage[usage->usage_index - 1]; 729349fd670SBenjamin Tissoires 7305519cab4SBenjamin Tissoires switch (usage->hid & HID_USAGE_PAGE) { 7315519cab4SBenjamin Tissoires 7325519cab4SBenjamin Tissoires case HID_UP_GENDESK: 7335519cab4SBenjamin Tissoires switch (usage->hid) { 7345519cab4SBenjamin Tissoires case HID_GD_X: 73501eaac7eSBenjamin Tissoires if (prev_usage && (prev_usage->hid == usage->hid)) { 736f146d1c4SBenjamin Tissoires code = ABS_MT_TOOL_X; 73701eaac7eSBenjamin Tissoires MT_STORE_FIELD(cx); 73801eaac7eSBenjamin Tissoires } else { 739f146d1c4SBenjamin Tissoires code = ABS_MT_POSITION_X; 74001eaac7eSBenjamin Tissoires MT_STORE_FIELD(x); 74101eaac7eSBenjamin Tissoires } 742349fd670SBenjamin Tissoires 743f146d1c4SBenjamin Tissoires set_abs(hi->input, code, field, cls->sn_move); 74401eaac7eSBenjamin Tissoires 745ba6b055eSBenjamin Tissoires /* 746ba6b055eSBenjamin Tissoires * A system multi-axis that exports X and Y has a high 747ba6b055eSBenjamin Tissoires * chance of being used directly on a surface 748ba6b055eSBenjamin Tissoires */ 749ba6b055eSBenjamin Tissoires if (field->application == HID_GD_SYSTEM_MULTIAXIS) { 750ba6b055eSBenjamin Tissoires __set_bit(INPUT_PROP_DIRECT, 751ba6b055eSBenjamin Tissoires hi->input->propbit); 752ba6b055eSBenjamin Tissoires input_set_abs_params(hi->input, 753ba6b055eSBenjamin Tissoires ABS_MT_TOOL_TYPE, 754ba6b055eSBenjamin Tissoires MT_TOOL_DIAL, 755ba6b055eSBenjamin Tissoires MT_TOOL_DIAL, 0, 0); 756ba6b055eSBenjamin Tissoires } 757ba6b055eSBenjamin Tissoires 7585519cab4SBenjamin Tissoires return 1; 7595519cab4SBenjamin Tissoires case HID_GD_Y: 76001eaac7eSBenjamin Tissoires if (prev_usage && (prev_usage->hid == usage->hid)) { 761f146d1c4SBenjamin Tissoires code = ABS_MT_TOOL_Y; 76201eaac7eSBenjamin Tissoires MT_STORE_FIELD(cy); 76301eaac7eSBenjamin Tissoires } else { 764f146d1c4SBenjamin Tissoires code = ABS_MT_POSITION_Y; 76501eaac7eSBenjamin Tissoires MT_STORE_FIELD(y); 76601eaac7eSBenjamin Tissoires } 767349fd670SBenjamin Tissoires 768f146d1c4SBenjamin Tissoires set_abs(hi->input, code, field, cls->sn_move); 76901eaac7eSBenjamin Tissoires 7705519cab4SBenjamin Tissoires return 1; 7715519cab4SBenjamin Tissoires } 7725519cab4SBenjamin Tissoires return 0; 7735519cab4SBenjamin Tissoires 7745519cab4SBenjamin Tissoires case HID_UP_DIGITIZER: 7755519cab4SBenjamin Tissoires switch (usage->hid) { 7765519cab4SBenjamin Tissoires case HID_DG_INRANGE: 7773ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_HOVERING) { 7789b3bb9b8SBenjamin Tissoires input_set_abs_params(hi->input, 7799b3bb9b8SBenjamin Tissoires ABS_MT_DISTANCE, 0, 1, 0, 0); 7809b3bb9b8SBenjamin Tissoires } 78101eaac7eSBenjamin Tissoires MT_STORE_FIELD(inrange_state); 7825519cab4SBenjamin Tissoires return 1; 7835519cab4SBenjamin Tissoires case HID_DG_CONFIDENCE: 784794c6133SKai-Heng Feng if ((cls->name == MT_CLS_WIN_8 || 78531a4cf1dSHans de Goede cls->name == MT_CLS_WIN_8_FORCE_MULTI_INPUT || 78631a4cf1dSHans de Goede cls->name == MT_CLS_WIN_8_DISABLE_WAKEUP) && 787f9024374SDmitry Torokhov (field->application == HID_DG_TOUCHPAD || 788f9024374SDmitry Torokhov field->application == HID_DG_TOUCHSCREEN)) 7893ceb3826SBenjamin Tissoires app->quirks |= MT_QUIRK_CONFIDENCE; 7909152c7d7SDmitry Torokhov 7919152c7d7SDmitry Torokhov if (app->quirks & MT_QUIRK_CONFIDENCE) 7929152c7d7SDmitry Torokhov input_set_abs_params(hi->input, 7939152c7d7SDmitry Torokhov ABS_MT_TOOL_TYPE, 7949152c7d7SDmitry Torokhov MT_TOOL_FINGER, 7959152c7d7SDmitry Torokhov MT_TOOL_PALM, 0, 0); 7969152c7d7SDmitry Torokhov 79701eaac7eSBenjamin Tissoires MT_STORE_FIELD(confidence_state); 7985519cab4SBenjamin Tissoires return 1; 7995519cab4SBenjamin Tissoires case HID_DG_TIPSWITCH: 800ba6b055eSBenjamin Tissoires if (field->application != HID_GD_SYSTEM_MULTIAXIS) 801ba6b055eSBenjamin Tissoires input_set_capability(hi->input, 802ba6b055eSBenjamin Tissoires EV_KEY, BTN_TOUCH); 80301eaac7eSBenjamin Tissoires MT_STORE_FIELD(tip_state); 8045519cab4SBenjamin Tissoires return 1; 8055519cab4SBenjamin Tissoires case HID_DG_CONTACTID: 80601eaac7eSBenjamin Tissoires MT_STORE_FIELD(contactid); 807f146d1c4SBenjamin Tissoires app->touches_by_report++; 8085519cab4SBenjamin Tissoires return 1; 8095519cab4SBenjamin Tissoires case HID_DG_WIDTH: 8103ceb3826SBenjamin Tissoires if (!(app->quirks & MT_QUIRK_NO_AREA)) 811f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, 812f786bba4SBenjamin Tissoires cls->sn_width); 81301eaac7eSBenjamin Tissoires MT_STORE_FIELD(w); 8145519cab4SBenjamin Tissoires return 1; 8155519cab4SBenjamin Tissoires case HID_DG_HEIGHT: 8163ceb3826SBenjamin Tissoires if (!(app->quirks & MT_QUIRK_NO_AREA)) { 817f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, 818f786bba4SBenjamin Tissoires cls->sn_height); 81900720277SWei-Ning Huang 82000720277SWei-Ning Huang /* 82100720277SWei-Ning Huang * Only set ABS_MT_ORIENTATION if it is not 82200720277SWei-Ning Huang * already set by the HID_DG_AZIMUTH usage. 82300720277SWei-Ning Huang */ 82400720277SWei-Ning Huang if (!test_bit(ABS_MT_ORIENTATION, 82500720277SWei-Ning Huang hi->input->absbit)) 8261e648a13SBenjamin Tissoires input_set_abs_params(hi->input, 8271e648a13SBenjamin Tissoires ABS_MT_ORIENTATION, 0, 1, 0, 0); 82877723e3bSHenrik Rydberg } 82901eaac7eSBenjamin Tissoires MT_STORE_FIELD(h); 8305519cab4SBenjamin Tissoires return 1; 8315519cab4SBenjamin Tissoires case HID_DG_TIPPRESSURE: 8325519cab4SBenjamin Tissoires set_abs(hi->input, ABS_MT_PRESSURE, field, 8335519cab4SBenjamin Tissoires cls->sn_pressure); 83401eaac7eSBenjamin Tissoires MT_STORE_FIELD(p); 8355519cab4SBenjamin Tissoires return 1; 83629cc309dSNicolas Boichat case HID_DG_SCANTIME: 83729cc309dSNicolas Boichat input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); 83801eaac7eSBenjamin Tissoires app->scantime = &field->value[usage->usage_index]; 83901eaac7eSBenjamin Tissoires app->scantime_logical_max = field->logical_maximum; 84029cc309dSNicolas Boichat return 1; 8415519cab4SBenjamin Tissoires case HID_DG_CONTACTCOUNT: 84201eaac7eSBenjamin Tissoires app->have_contact_count = true; 84301eaac7eSBenjamin Tissoires app->raw_cc = &field->value[usage->usage_index]; 8445519cab4SBenjamin Tissoires return 1; 84500720277SWei-Ning Huang case HID_DG_AZIMUTH: 84600720277SWei-Ning Huang /* 84700720277SWei-Ning Huang * Azimuth has the range of [0, MAX) representing a full 84800720277SWei-Ning Huang * revolution. Set ABS_MT_ORIENTATION to a quarter of 84900720277SWei-Ning Huang * MAX according the definition of ABS_MT_ORIENTATION 85000720277SWei-Ning Huang */ 85100720277SWei-Ning Huang input_set_abs_params(hi->input, ABS_MT_ORIENTATION, 85200720277SWei-Ning Huang -field->logical_maximum / 4, 85300720277SWei-Ning Huang field->logical_maximum / 4, 85400720277SWei-Ning Huang cls->sn_move ? 85500720277SWei-Ning Huang field->logical_maximum / cls->sn_move : 0, 0); 85601eaac7eSBenjamin Tissoires MT_STORE_FIELD(a); 85700720277SWei-Ning Huang return 1; 8585519cab4SBenjamin Tissoires case HID_DG_CONTACTMAX: 85901eaac7eSBenjamin Tissoires /* contact max are global to the report */ 8605519cab4SBenjamin Tissoires return -1; 861c2ef8f21SBenjamin Tissoires case HID_DG_TOUCH: 862c2ef8f21SBenjamin Tissoires /* Legacy devices use TIPSWITCH and not TOUCH. 863c2ef8f21SBenjamin Tissoires * Let's just ignore this field. */ 864c2ef8f21SBenjamin Tissoires return -1; 86565b258e9SAlan Cox } 8665519cab4SBenjamin Tissoires /* let hid-input decide for the others */ 8675519cab4SBenjamin Tissoires return 0; 8685519cab4SBenjamin Tissoires 869c2ef8f21SBenjamin Tissoires case HID_UP_BUTTON: 870c2ef8f21SBenjamin Tissoires code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); 871594312b8SBenjamin Tissoires /* 872594312b8SBenjamin Tissoires * MS PTP spec says that external buttons left and right have 873594312b8SBenjamin Tissoires * usages 2 and 3. 874594312b8SBenjamin Tissoires */ 8753ceb3826SBenjamin Tissoires if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && 876594312b8SBenjamin Tissoires field->application == HID_DG_TOUCHPAD && 877594312b8SBenjamin Tissoires (usage->hid & HID_USAGE) > 1) 878594312b8SBenjamin Tissoires code--; 879ba6b055eSBenjamin Tissoires 880ba6b055eSBenjamin Tissoires if (field->application == HID_GD_SYSTEM_MULTIAXIS) 881ba6b055eSBenjamin Tissoires code = BTN_0 + ((usage->hid - 1) & HID_USAGE); 882ba6b055eSBenjamin Tissoires 883c2ef8f21SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, EV_KEY, code); 88435556bedSMarc Zyngier if (!*bit) 88535556bedSMarc Zyngier return -1; 886c2ef8f21SBenjamin Tissoires input_set_capability(hi->input, EV_KEY, code); 887c2ef8f21SBenjamin Tissoires return 1; 888c2ef8f21SBenjamin Tissoires 8895519cab4SBenjamin Tissoires case 0xff000000: 8905519cab4SBenjamin Tissoires /* we do not want to map these: no input-oriented meaning */ 8915519cab4SBenjamin Tissoires return -1; 8925519cab4SBenjamin Tissoires } 8935519cab4SBenjamin Tissoires 8945519cab4SBenjamin Tissoires return 0; 8955519cab4SBenjamin Tissoires } 8965519cab4SBenjamin Tissoires 897f146d1c4SBenjamin Tissoires static int mt_compute_slot(struct mt_device *td, struct mt_application *app, 89801eaac7eSBenjamin Tissoires struct mt_usages *slot, 899f146d1c4SBenjamin Tissoires struct input_dev *input) 9005519cab4SBenjamin Tissoires { 9013ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 9025519cab4SBenjamin Tissoires 9032d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) 90401eaac7eSBenjamin Tissoires return *slot->contactid; 9055519cab4SBenjamin Tissoires 9062d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_CYPRESS) 90701eaac7eSBenjamin Tissoires return cypress_compute_slot(app, slot); 908a3b5e577SBenjamin Tissoires 9092d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) 910f146d1c4SBenjamin Tissoires return app->num_received; 9115572da08SBenjamin Tissoires 9124a6ee685SBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) 91301eaac7eSBenjamin Tissoires return *slot->contactid - 1; 9144a6ee685SBenjamin Tissoires 91501eaac7eSBenjamin Tissoires return input_mt_get_slot_by_key(input, *slot->contactid); 9163e1b5015SHenrik Rydberg } 9173e1b5015SHenrik Rydberg 91828a042a3SDmitry Torokhov static void mt_release_pending_palms(struct mt_device *td, 91928a042a3SDmitry Torokhov struct mt_application *app, 92028a042a3SDmitry Torokhov struct input_dev *input) 92128a042a3SDmitry Torokhov { 92228a042a3SDmitry Torokhov int slotnum; 92328a042a3SDmitry Torokhov bool need_sync = false; 92428a042a3SDmitry Torokhov 92528a042a3SDmitry Torokhov for_each_set_bit(slotnum, app->pending_palm_slots, td->maxcontacts) { 92628a042a3SDmitry Torokhov clear_bit(slotnum, app->pending_palm_slots); 92728a042a3SDmitry Torokhov 92828a042a3SDmitry Torokhov input_mt_slot(input, slotnum); 9295fc70e35SJiada Wang input_mt_report_slot_inactive(input); 93028a042a3SDmitry Torokhov 93128a042a3SDmitry Torokhov need_sync = true; 93228a042a3SDmitry Torokhov } 93328a042a3SDmitry Torokhov 93428a042a3SDmitry Torokhov if (need_sync) { 93528a042a3SDmitry Torokhov input_mt_sync_frame(input); 93628a042a3SDmitry Torokhov input_sync(input); 93728a042a3SDmitry Torokhov } 93828a042a3SDmitry Torokhov } 93928a042a3SDmitry Torokhov 9403e1b5015SHenrik Rydberg /* 9413e1b5015SHenrik Rydberg * this function is called when a whole packet has been received and processed, 9423e1b5015SHenrik Rydberg * so that it can decide what to send to the input layer. 9433e1b5015SHenrik Rydberg */ 944f146d1c4SBenjamin Tissoires static void mt_sync_frame(struct mt_device *td, struct mt_application *app, 945f146d1c4SBenjamin Tissoires struct input_dev *input) 9463e1b5015SHenrik Rydberg { 9473ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) 948f146d1c4SBenjamin Tissoires input_event(input, EV_KEY, BTN_LEFT, app->left_button_state); 949127e71bdSHans de Goede 95076f5902aSHenrik Rydberg input_mt_sync_frame(input); 951f146d1c4SBenjamin Tissoires input_event(input, EV_MSC, MSC_TIMESTAMP, app->timestamp); 9525519cab4SBenjamin Tissoires input_sync(input); 95328a042a3SDmitry Torokhov 95428a042a3SDmitry Torokhov mt_release_pending_palms(td, app, input); 95528a042a3SDmitry Torokhov 956f146d1c4SBenjamin Tissoires app->num_received = 0; 957f146d1c4SBenjamin Tissoires app->left_button_state = 0; 958f146d1c4SBenjamin Tissoires 95996098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) 96096098274SBenjamin Tissoires set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); 96196098274SBenjamin Tissoires else 96296098274SBenjamin Tissoires clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); 96396098274SBenjamin Tissoires clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); 9645519cab4SBenjamin Tissoires } 9655519cab4SBenjamin Tissoires 96601eaac7eSBenjamin Tissoires static int mt_compute_timestamp(struct mt_application *app, __s32 value) 96729cc309dSNicolas Boichat { 968f146d1c4SBenjamin Tissoires long delta = value - app->prev_scantime; 969f146d1c4SBenjamin Tissoires unsigned long jdelta = jiffies_to_usecs(jiffies - app->jiffies); 97029cc309dSNicolas Boichat 971f146d1c4SBenjamin Tissoires app->jiffies = jiffies; 97229cc309dSNicolas Boichat 97329cc309dSNicolas Boichat if (delta < 0) 97401eaac7eSBenjamin Tissoires delta += app->scantime_logical_max; 97529cc309dSNicolas Boichat 97629cc309dSNicolas Boichat /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ 97729cc309dSNicolas Boichat delta *= 100; 97829cc309dSNicolas Boichat 97929cc309dSNicolas Boichat if (jdelta > MAX_TIMESTAMP_INTERVAL) 98029cc309dSNicolas Boichat /* No data received for a while, resync the timestamp. */ 98129cc309dSNicolas Boichat return 0; 98229cc309dSNicolas Boichat else 983f146d1c4SBenjamin Tissoires return app->timestamp + delta; 98429cc309dSNicolas Boichat } 98529cc309dSNicolas Boichat 986a69c5f8bSBenjamin Tissoires static int mt_touch_event(struct hid_device *hid, struct hid_field *field, 9875519cab4SBenjamin Tissoires struct hid_usage *usage, __s32 value) 9885519cab4SBenjamin Tissoires { 98955978fa9SBenjamin Tissoires /* we will handle the hidinput part later, now remains hiddev */ 99055978fa9SBenjamin Tissoires if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) 99155978fa9SBenjamin Tissoires hid->hiddev_hid_event(hid, field, usage, value); 99255978fa9SBenjamin Tissoires 99355978fa9SBenjamin Tissoires return 1; 99455978fa9SBenjamin Tissoires } 99555978fa9SBenjamin Tissoires 99601eaac7eSBenjamin Tissoires static int mt_process_slot(struct mt_device *td, struct input_dev *input, 99701eaac7eSBenjamin Tissoires struct mt_application *app, 99801eaac7eSBenjamin Tissoires struct mt_usages *slot) 99955978fa9SBenjamin Tissoires { 100001eaac7eSBenjamin Tissoires struct input_mt *mt = input->mt; 10013ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 100201eaac7eSBenjamin Tissoires bool valid = true; 100301eaac7eSBenjamin Tissoires bool confidence_state = true; 100401eaac7eSBenjamin Tissoires bool inrange_state = false; 100501eaac7eSBenjamin Tissoires int active; 100601eaac7eSBenjamin Tissoires int slotnum; 1007ba6b055eSBenjamin Tissoires int tool = MT_TOOL_FINGER; 10085519cab4SBenjamin Tissoires 100901eaac7eSBenjamin Tissoires if (!slot) 101001eaac7eSBenjamin Tissoires return -EINVAL; 101101eaac7eSBenjamin Tissoires 101201eaac7eSBenjamin Tissoires if ((quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && 101301eaac7eSBenjamin Tissoires app->num_received >= app->num_expected) 101401eaac7eSBenjamin Tissoires return -EAGAIN; 101501eaac7eSBenjamin Tissoires 101601eaac7eSBenjamin Tissoires if (!(quirks & MT_QUIRK_ALWAYS_VALID)) { 101720b60e6dSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_INRANGE) 101801eaac7eSBenjamin Tissoires valid = *slot->inrange_state; 10192d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 102001eaac7eSBenjamin Tissoires valid = *slot->tip_state; 10212d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) 102201eaac7eSBenjamin Tissoires valid = *slot->confidence_state; 102301eaac7eSBenjamin Tissoires 102401eaac7eSBenjamin Tissoires if (!valid) 102501eaac7eSBenjamin Tissoires return 0; 102601eaac7eSBenjamin Tissoires } 102701eaac7eSBenjamin Tissoires 102801eaac7eSBenjamin Tissoires slotnum = mt_compute_slot(td, app, slot, input); 102901eaac7eSBenjamin Tissoires if (slotnum < 0 || slotnum >= td->maxcontacts) 103001eaac7eSBenjamin Tissoires return 0; 103101eaac7eSBenjamin Tissoires 103201eaac7eSBenjamin Tissoires if ((quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { 103301eaac7eSBenjamin Tissoires struct input_mt_slot *i_slot = &mt->slots[slotnum]; 103401eaac7eSBenjamin Tissoires 103501eaac7eSBenjamin Tissoires if (input_mt_is_active(i_slot) && 103601eaac7eSBenjamin Tissoires input_mt_is_used(mt, i_slot)) 103701eaac7eSBenjamin Tissoires return -EAGAIN; 103801eaac7eSBenjamin Tissoires } 103901eaac7eSBenjamin Tissoires 104001eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_CONFIDENCE) 104101eaac7eSBenjamin Tissoires confidence_state = *slot->confidence_state; 104201eaac7eSBenjamin Tissoires 104301eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_HOVERING) 104401eaac7eSBenjamin Tissoires inrange_state = *slot->inrange_state; 104501eaac7eSBenjamin Tissoires 10469152c7d7SDmitry Torokhov active = *slot->tip_state || inrange_state; 104701eaac7eSBenjamin Tissoires 1048ba6b055eSBenjamin Tissoires if (app->application == HID_GD_SYSTEM_MULTIAXIS) 1049ba6b055eSBenjamin Tissoires tool = MT_TOOL_DIAL; 105028a042a3SDmitry Torokhov else if (unlikely(!confidence_state)) { 10519152c7d7SDmitry Torokhov tool = MT_TOOL_PALM; 1052306d5acbSPan Zhang if (!active && mt && 105328a042a3SDmitry Torokhov input_mt_is_active(&mt->slots[slotnum])) { 105428a042a3SDmitry Torokhov /* 105528a042a3SDmitry Torokhov * The non-confidence was reported for 105628a042a3SDmitry Torokhov * previously valid contact that is also no 105728a042a3SDmitry Torokhov * longer valid. We can't simply report 105828a042a3SDmitry Torokhov * lift-off as userspace will not be aware 105928a042a3SDmitry Torokhov * of non-confidence, so we need to split 106028a042a3SDmitry Torokhov * it into 2 events: active MT_TOOL_PALM 106128a042a3SDmitry Torokhov * and a separate liftoff. 106228a042a3SDmitry Torokhov */ 106328a042a3SDmitry Torokhov active = true; 106428a042a3SDmitry Torokhov set_bit(slotnum, app->pending_palm_slots); 106528a042a3SDmitry Torokhov } 106628a042a3SDmitry Torokhov } 1067ba6b055eSBenjamin Tissoires 106801eaac7eSBenjamin Tissoires input_mt_slot(input, slotnum); 1069ba6b055eSBenjamin Tissoires input_mt_report_slot_state(input, tool, active); 107001eaac7eSBenjamin Tissoires if (active) { 107101eaac7eSBenjamin Tissoires /* this finger is in proximity of the sensor */ 107201eaac7eSBenjamin Tissoires int wide = (*slot->w > *slot->h); 107301eaac7eSBenjamin Tissoires int major = max(*slot->w, *slot->h); 107401eaac7eSBenjamin Tissoires int minor = min(*slot->w, *slot->h); 107501eaac7eSBenjamin Tissoires int orientation = wide; 107601eaac7eSBenjamin Tissoires int max_azimuth; 107701eaac7eSBenjamin Tissoires int azimuth; 107801eaac7eSBenjamin Tissoires 107901eaac7eSBenjamin Tissoires if (slot->a != DEFAULT_ZERO) { 108000720277SWei-Ning Huang /* 108100720277SWei-Ning Huang * Azimuth is counter-clockwise and ranges from [0, MAX) 108200720277SWei-Ning Huang * (a full revolution). Convert it to clockwise ranging 108300720277SWei-Ning Huang * [-MAX/2, MAX/2]. 108400720277SWei-Ning Huang * 108500720277SWei-Ning Huang * Note that ABS_MT_ORIENTATION require us to report 108600720277SWei-Ning Huang * the limit of [-MAX/4, MAX/4], but the value can go 108700720277SWei-Ning Huang * out of range to [-MAX/2, MAX/2] to report an upside 108800720277SWei-Ning Huang * down ellipsis. 108900720277SWei-Ning Huang */ 109001eaac7eSBenjamin Tissoires azimuth = *slot->a; 109101eaac7eSBenjamin Tissoires max_azimuth = input_abs_get_max(input, 109201eaac7eSBenjamin Tissoires ABS_MT_ORIENTATION); 109301eaac7eSBenjamin Tissoires if (azimuth > max_azimuth * 2) 109401eaac7eSBenjamin Tissoires azimuth -= max_azimuth * 4; 109501eaac7eSBenjamin Tissoires orientation = -azimuth; 109601eaac7eSBenjamin Tissoires } 10975519cab4SBenjamin Tissoires 10989152c7d7SDmitry Torokhov if (quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { 109901eaac7eSBenjamin Tissoires /* 110001eaac7eSBenjamin Tissoires * divided by two to match visual scale of touch 110101eaac7eSBenjamin Tissoires * for devices with this quirk 110201eaac7eSBenjamin Tissoires */ 110301eaac7eSBenjamin Tissoires major = major >> 1; 110401eaac7eSBenjamin Tissoires minor = minor >> 1; 110501eaac7eSBenjamin Tissoires } 110601eaac7eSBenjamin Tissoires 110701eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_X, *slot->x); 110801eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_Y, *slot->y); 110901eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOOL_X, *slot->cx); 111001eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOOL_Y, *slot->cy); 111101eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_DISTANCE, !*slot->tip_state); 111201eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_ORIENTATION, orientation); 111301eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_PRESSURE, *slot->p); 111401eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); 111501eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); 111601eaac7eSBenjamin Tissoires 111701eaac7eSBenjamin Tissoires set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); 111801eaac7eSBenjamin Tissoires } 111901eaac7eSBenjamin Tissoires 112001eaac7eSBenjamin Tissoires return 0; 112101eaac7eSBenjamin Tissoires } 112201eaac7eSBenjamin Tissoires 112301eaac7eSBenjamin Tissoires static void mt_process_mt_event(struct hid_device *hid, 112401eaac7eSBenjamin Tissoires struct mt_application *app, 112501eaac7eSBenjamin Tissoires struct hid_field *field, 112601eaac7eSBenjamin Tissoires struct hid_usage *usage, 112701eaac7eSBenjamin Tissoires __s32 value, 112801eaac7eSBenjamin Tissoires bool first_packet) 112901eaac7eSBenjamin Tissoires { 113001eaac7eSBenjamin Tissoires __s32 quirks = app->quirks; 113101eaac7eSBenjamin Tissoires struct input_dev *input = field->hidinput->input; 113201eaac7eSBenjamin Tissoires 113301eaac7eSBenjamin Tissoires if (!usage->type || !(hid->claimed & HID_CLAIMED_INPUT)) 113401eaac7eSBenjamin Tissoires return; 113501eaac7eSBenjamin Tissoires 113601eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_WIN8_PTP_BUTTONS) { 113701eaac7eSBenjamin Tissoires 113855746d28SHans de Goede /* 113955746d28SHans de Goede * For Win8 PTP touchpads we should only look at 114001eaac7eSBenjamin Tissoires * non finger/touch events in the first_packet of a 114101eaac7eSBenjamin Tissoires * (possible) multi-packet frame. 114255746d28SHans de Goede */ 114301eaac7eSBenjamin Tissoires if (!first_packet) 114455746d28SHans de Goede return; 114555746d28SHans de Goede 1146127e71bdSHans de Goede /* 1147127e71bdSHans de Goede * For Win8 PTP touchpads we map both the clickpad click 1148127e71bdSHans de Goede * and any "external" left buttons to BTN_LEFT if a 1149127e71bdSHans de Goede * device claims to have both we need to report 1 for 1150127e71bdSHans de Goede * BTN_LEFT if either is pressed, so we or all values 1151127e71bdSHans de Goede * together and report the result in mt_sync_frame(). 1152127e71bdSHans de Goede */ 115301eaac7eSBenjamin Tissoires if (usage->type == EV_KEY && usage->code == BTN_LEFT) { 1154f146d1c4SBenjamin Tissoires app->left_button_state |= value; 1155127e71bdSHans de Goede return; 1156127e71bdSHans de Goede } 11575519cab4SBenjamin Tissoires } 11585519cab4SBenjamin Tissoires 115901eaac7eSBenjamin Tissoires input_event(input, usage->type, usage->code, value); 116055978fa9SBenjamin Tissoires } 11612d93666eSBenjamin Tissoires 11628dfe14b3SBenjamin Tissoires static void mt_touch_report(struct hid_device *hid, 11638dfe14b3SBenjamin Tissoires struct mt_report_data *rdata) 116455978fa9SBenjamin Tissoires { 116555978fa9SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 11668dfe14b3SBenjamin Tissoires struct hid_report *report = rdata->report; 11678dfe14b3SBenjamin Tissoires struct mt_application *app = rdata->application; 116855978fa9SBenjamin Tissoires struct hid_field *field; 116901eaac7eSBenjamin Tissoires struct input_dev *input; 117001eaac7eSBenjamin Tissoires struct mt_usages *slot; 117155746d28SHans de Goede bool first_packet; 117255978fa9SBenjamin Tissoires unsigned count; 1173f146d1c4SBenjamin Tissoires int r, n; 1174f146d1c4SBenjamin Tissoires int scantime = 0; 1175f146d1c4SBenjamin Tissoires int contact_count = -1; 11765519cab4SBenjamin Tissoires 11774f4001bcSBenjamin Tissoires /* sticky fingers release in progress, abort */ 11784f4001bcSBenjamin Tissoires if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) 11794f4001bcSBenjamin Tissoires return; 11804f4001bcSBenjamin Tissoires 118101eaac7eSBenjamin Tissoires scantime = *app->scantime; 118201eaac7eSBenjamin Tissoires app->timestamp = mt_compute_timestamp(app, scantime); 118301eaac7eSBenjamin Tissoires if (app->raw_cc != DEFAULT_ZERO) 118401eaac7eSBenjamin Tissoires contact_count = *app->raw_cc; 118501eaac7eSBenjamin Tissoires 1186c2517f62SBenjamin Tissoires /* 1187c2517f62SBenjamin Tissoires * Includes multi-packet support where subsequent 1188c2517f62SBenjamin Tissoires * packets are sent with zero contactcount. 1189c2517f62SBenjamin Tissoires */ 119001eaac7eSBenjamin Tissoires if (contact_count >= 0) { 1191af8dc4d0SHans de Goede /* 1192af8dc4d0SHans de Goede * For Win8 PTPs the first packet (td->num_received == 0) may 1193af8dc4d0SHans de Goede * have a contactcount of 0 if there only is a button event. 1194af8dc4d0SHans de Goede * We double check that this is not a continuation packet 1195af8dc4d0SHans de Goede * of a possible multi-packet frame be checking that the 1196af8dc4d0SHans de Goede * timestamp has changed. 1197af8dc4d0SHans de Goede */ 11983ceb3826SBenjamin Tissoires if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && 1199f146d1c4SBenjamin Tissoires app->num_received == 0 && 1200f146d1c4SBenjamin Tissoires app->prev_scantime != scantime) 1201f146d1c4SBenjamin Tissoires app->num_expected = contact_count; 1202af8dc4d0SHans de Goede /* A non 0 contact count always indicates a first packet */ 1203f146d1c4SBenjamin Tissoires else if (contact_count) 1204f146d1c4SBenjamin Tissoires app->num_expected = contact_count; 12057e3cc447SBenjamin Tissoires } 1206f146d1c4SBenjamin Tissoires app->prev_scantime = scantime; 1207c2517f62SBenjamin Tissoires 1208f146d1c4SBenjamin Tissoires first_packet = app->num_received == 0; 120901eaac7eSBenjamin Tissoires 121001eaac7eSBenjamin Tissoires input = report->field[0]->hidinput->input; 121101eaac7eSBenjamin Tissoires 121201eaac7eSBenjamin Tissoires list_for_each_entry(slot, &app->mt_usages, list) { 121301eaac7eSBenjamin Tissoires if (!mt_process_slot(td, input, app, slot)) 121401eaac7eSBenjamin Tissoires app->num_received++; 121501eaac7eSBenjamin Tissoires } 121601eaac7eSBenjamin Tissoires 121755978fa9SBenjamin Tissoires for (r = 0; r < report->maxfield; r++) { 121855978fa9SBenjamin Tissoires field = report->field[r]; 121955978fa9SBenjamin Tissoires count = field->report_count; 122055978fa9SBenjamin Tissoires 122155978fa9SBenjamin Tissoires if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) 122255978fa9SBenjamin Tissoires continue; 122355978fa9SBenjamin Tissoires 122455978fa9SBenjamin Tissoires for (n = 0; n < count; n++) 122501eaac7eSBenjamin Tissoires mt_process_mt_event(hid, app, field, 122601eaac7eSBenjamin Tissoires &field->usage[n], field->value[n], 122701eaac7eSBenjamin Tissoires first_packet); 122855978fa9SBenjamin Tissoires } 12295b62efd8SBenjamin Tissoires 1230f146d1c4SBenjamin Tissoires if (app->num_received >= app->num_expected) 123101eaac7eSBenjamin Tissoires mt_sync_frame(td, app, input); 12324f4001bcSBenjamin Tissoires 12334f4001bcSBenjamin Tissoires /* 12344f4001bcSBenjamin Tissoires * Windows 8 specs says 2 things: 12354f4001bcSBenjamin Tissoires * - once a contact has been reported, it has to be reported in each 12364f4001bcSBenjamin Tissoires * subsequent report 12374f4001bcSBenjamin Tissoires * - the report rate when fingers are present has to be at least 12384f4001bcSBenjamin Tissoires * the refresh rate of the screen, 60 or 120 Hz 12394f4001bcSBenjamin Tissoires * 12404f4001bcSBenjamin Tissoires * I interprete this that the specification forces a report rate of 12414f4001bcSBenjamin Tissoires * at least 60 Hz for a touchscreen to be certified. 12424f4001bcSBenjamin Tissoires * Which means that if we do not get a report whithin 16 ms, either 12434f4001bcSBenjamin Tissoires * something wrong happens, either the touchscreen forgets to send 12444f4001bcSBenjamin Tissoires * a release. Taking a reasonable margin allows to remove issues 12454f4001bcSBenjamin Tissoires * with USB communication or the load of the machine. 12464f4001bcSBenjamin Tissoires * 12474f4001bcSBenjamin Tissoires * Given that Win 8 devices are forced to send a release, this will 12484f4001bcSBenjamin Tissoires * only affect laggish machines and the ones that have a firmware 12494f4001bcSBenjamin Tissoires * defect. 12504f4001bcSBenjamin Tissoires */ 12513ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_STICKY_FINGERS) { 125296098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) 125396098274SBenjamin Tissoires mod_timer(&td->release_timer, 125496098274SBenjamin Tissoires jiffies + msecs_to_jiffies(100)); 125596098274SBenjamin Tissoires else 125696098274SBenjamin Tissoires del_timer(&td->release_timer); 125796098274SBenjamin Tissoires } 12584f4001bcSBenjamin Tissoires 12594f4001bcSBenjamin Tissoires clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); 12605519cab4SBenjamin Tissoires } 12615519cab4SBenjamin Tissoires 1262b2c68a2fSDmitry Torokhov static int mt_touch_input_configured(struct hid_device *hdev, 1263f146d1c4SBenjamin Tissoires struct hid_input *hi, 1264f146d1c4SBenjamin Tissoires struct mt_application *app) 1265a69c5f8bSBenjamin Tissoires { 1266a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1267a69c5f8bSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 1268a69c5f8bSBenjamin Tissoires struct input_dev *input = hi->input; 1269b2c68a2fSDmitry Torokhov int ret; 1270a69c5f8bSBenjamin Tissoires 1271a69c5f8bSBenjamin Tissoires if (!td->maxcontacts) 1272a69c5f8bSBenjamin Tissoires td->maxcontacts = MT_DEFAULT_MAXCONTACT; 1273a69c5f8bSBenjamin Tissoires 1274f146d1c4SBenjamin Tissoires mt_post_parse(td, app); 1275a69c5f8bSBenjamin Tissoires if (td->serial_maybe) 1276f146d1c4SBenjamin Tissoires mt_post_parse_default_settings(td, app); 1277a69c5f8bSBenjamin Tissoires 1278a69c5f8bSBenjamin Tissoires if (cls->is_indirect) 1279f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_POINTER; 1280a69c5f8bSBenjamin Tissoires 12813ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 1282f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_DROP_UNUSED; 1283a69c5f8bSBenjamin Tissoires 1284015fdaa9SBenjamin Tissoires /* check for clickpads */ 1285f146d1c4SBenjamin Tissoires if ((app->mt_flags & INPUT_MT_POINTER) && 1286f146d1c4SBenjamin Tissoires (app->buttons_count == 1)) 12872c6e0277SSeth Forshee td->is_buttonpad = true; 12882c6e0277SSeth Forshee 12892c6e0277SSeth Forshee if (td->is_buttonpad) 1290015fdaa9SBenjamin Tissoires __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 1291015fdaa9SBenjamin Tissoires 129228a042a3SDmitry Torokhov app->pending_palm_slots = devm_kcalloc(&hi->input->dev, 129328a042a3SDmitry Torokhov BITS_TO_LONGS(td->maxcontacts), 129428a042a3SDmitry Torokhov sizeof(long), 129528a042a3SDmitry Torokhov GFP_KERNEL); 129628a042a3SDmitry Torokhov if (!app->pending_palm_slots) 129728a042a3SDmitry Torokhov return -ENOMEM; 129828a042a3SDmitry Torokhov 1299f146d1c4SBenjamin Tissoires ret = input_mt_init_slots(input, td->maxcontacts, app->mt_flags); 1300b2c68a2fSDmitry Torokhov if (ret) 1301b2c68a2fSDmitry Torokhov return ret; 1302a69c5f8bSBenjamin Tissoires 1303f146d1c4SBenjamin Tissoires app->mt_flags = 0; 1304b2c68a2fSDmitry Torokhov return 0; 1305a69c5f8bSBenjamin Tissoires } 1306a69c5f8bSBenjamin Tissoires 1307957b8dffSJoão Paulo Rechi Vita #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 1308957b8dffSJoão Paulo Rechi Vita max, EV_KEY, (c)) 1309a69c5f8bSBenjamin Tissoires static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, 1310a69c5f8bSBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 1311a69c5f8bSBenjamin Tissoires unsigned long **bit, int *max) 1312a69c5f8bSBenjamin Tissoires { 13136aef704eSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1314f146d1c4SBenjamin Tissoires struct mt_application *application; 13158dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 13166aef704eSBenjamin Tissoires 13178dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 13188dfe14b3SBenjamin Tissoires if (!rdata) { 13198dfe14b3SBenjamin Tissoires hid_err(hdev, "failed to allocate data for report\n"); 13208dfe14b3SBenjamin Tissoires return 0; 13218dfe14b3SBenjamin Tissoires } 13228dfe14b3SBenjamin Tissoires 13238dfe14b3SBenjamin Tissoires application = rdata->application; 13243ceb3826SBenjamin Tissoires 13256aef704eSBenjamin Tissoires /* 13266aef704eSBenjamin Tissoires * If mtclass.export_all_inputs is not set, only map fields from 13276aef704eSBenjamin Tissoires * TouchScreen or TouchPad collections. We need to ignore fields 13286aef704eSBenjamin Tissoires * that belong to other collections such as Mouse that might have 13296aef704eSBenjamin Tissoires * the same GenericDesktop usages. 13306aef704eSBenjamin Tissoires */ 13316aef704eSBenjamin Tissoires if (!td->mtclass.export_all_inputs && 13326aef704eSBenjamin Tissoires field->application != HID_DG_TOUCHSCREEN && 1333fa11aa72SBenjamin Tissoires field->application != HID_DG_PEN && 13348fe89ef0SBenjamin Tissoires field->application != HID_DG_TOUCHPAD && 13358fe89ef0SBenjamin Tissoires field->application != HID_GD_KEYBOARD && 1336e57f4e67SHans de Goede field->application != HID_GD_SYSTEM_CONTROL && 13371fbf74efSJoão Paulo Rechi Vita field->application != HID_CP_CONSUMER_CONTROL && 1338957b8dffSJoão Paulo Rechi Vita field->application != HID_GD_WIRELESS_RADIO_CTLS && 1339ba6b055eSBenjamin Tissoires field->application != HID_GD_SYSTEM_MULTIAXIS && 1340957b8dffSJoão Paulo Rechi Vita !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 13413ceb3826SBenjamin Tissoires application->quirks & MT_QUIRK_ASUS_CUSTOM_UP)) 13426f492f28SBenjamin Tissoires return -1; 1343a69c5f8bSBenjamin Tissoires 13446aef704eSBenjamin Tissoires /* 1345957b8dffSJoão Paulo Rechi Vita * Some Asus keyboard+touchpad devices have the hotkeys defined in the 1346957b8dffSJoão Paulo Rechi Vita * touchpad report descriptor. We need to treat these as an array to 1347957b8dffSJoão Paulo Rechi Vita * map usages to input keys. 1348957b8dffSJoão Paulo Rechi Vita */ 134939bbf402SJiri Kosina if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 13503ceb3826SBenjamin Tissoires application->quirks & MT_QUIRK_ASUS_CUSTOM_UP && 1351957b8dffSJoão Paulo Rechi Vita (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { 1352957b8dffSJoão Paulo Rechi Vita set_bit(EV_REP, hi->input->evbit); 1353957b8dffSJoão Paulo Rechi Vita if (field->flags & HID_MAIN_ITEM_VARIABLE) 1354957b8dffSJoão Paulo Rechi Vita field->flags &= ~HID_MAIN_ITEM_VARIABLE; 1355957b8dffSJoão Paulo Rechi Vita switch (usage->hid & HID_USAGE) { 1356957b8dffSJoão Paulo Rechi Vita case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; 1357957b8dffSJoão Paulo Rechi Vita case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; 1358957b8dffSJoão Paulo Rechi Vita case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; 1359957b8dffSJoão Paulo Rechi Vita case 0x6b: mt_map_key_clear(KEY_F21); break; 1360957b8dffSJoão Paulo Rechi Vita case 0x6c: mt_map_key_clear(KEY_SLEEP); break; 1361957b8dffSJoão Paulo Rechi Vita default: 1362957b8dffSJoão Paulo Rechi Vita return -1; 1363957b8dffSJoão Paulo Rechi Vita } 1364957b8dffSJoão Paulo Rechi Vita return 1; 1365957b8dffSJoão Paulo Rechi Vita } 1366957b8dffSJoão Paulo Rechi Vita 1367ba6b055eSBenjamin Tissoires if (rdata->is_mt_collection) 1368f146d1c4SBenjamin Tissoires return mt_touch_input_mapping(hdev, hi, field, usage, bit, max, 1369f146d1c4SBenjamin Tissoires application); 13706aef704eSBenjamin Tissoires 13717ffa13beSBenjamin Tissoires /* 13727ffa13beSBenjamin Tissoires * some egalax touchscreens have "application == DG_TOUCHSCREEN" 13737ffa13beSBenjamin Tissoires * for the stylus. Overwrite the hid_input application 13747ffa13beSBenjamin Tissoires */ 13757ffa13beSBenjamin Tissoires if (field->physical == HID_DG_STYLUS) 13767ffa13beSBenjamin Tissoires hi->application = HID_DG_STYLUS; 13777ffa13beSBenjamin Tissoires 13786aef704eSBenjamin Tissoires /* let hid-core decide for the others */ 13796aef704eSBenjamin Tissoires return 0; 1380a69c5f8bSBenjamin Tissoires } 1381a69c5f8bSBenjamin Tissoires 1382a69c5f8bSBenjamin Tissoires static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, 1383a69c5f8bSBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 1384a69c5f8bSBenjamin Tissoires unsigned long **bit, int *max) 1385a69c5f8bSBenjamin Tissoires { 1386ba6b055eSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1387ba6b055eSBenjamin Tissoires struct mt_report_data *rdata; 1388fa11aa72SBenjamin Tissoires 1389ba6b055eSBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 1390ba6b055eSBenjamin Tissoires if (rdata && rdata->is_mt_collection) { 13914cf56a89SDmitry Torokhov /* We own these mappings, tell hid-input to ignore them */ 13924cf56a89SDmitry Torokhov return -1; 13934cf56a89SDmitry Torokhov } 13946aef704eSBenjamin Tissoires 13956aef704eSBenjamin Tissoires /* let hid-core decide for the others */ 13966aef704eSBenjamin Tissoires return 0; 1397a69c5f8bSBenjamin Tissoires } 1398a69c5f8bSBenjamin Tissoires 1399a69c5f8bSBenjamin Tissoires static int mt_event(struct hid_device *hid, struct hid_field *field, 1400a69c5f8bSBenjamin Tissoires struct hid_usage *usage, __s32 value) 1401a69c5f8bSBenjamin Tissoires { 1402a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 14038dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1404a69c5f8bSBenjamin Tissoires 14058dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 14068dfe14b3SBenjamin Tissoires if (rdata && rdata->is_mt_collection) 1407a69c5f8bSBenjamin Tissoires return mt_touch_event(hid, field, usage, value); 1408a69c5f8bSBenjamin Tissoires 1409e55f6200SBenjamin Tissoires return 0; 1410a69c5f8bSBenjamin Tissoires } 1411a69c5f8bSBenjamin Tissoires 1412a69c5f8bSBenjamin Tissoires static void mt_report(struct hid_device *hid, struct hid_report *report) 1413a69c5f8bSBenjamin Tissoires { 1414a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 1415e55f6200SBenjamin Tissoires struct hid_field *field = report->field[0]; 14168dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1417a69c5f8bSBenjamin Tissoires 1418a69c5f8bSBenjamin Tissoires if (!(hid->claimed & HID_CLAIMED_INPUT)) 1419a69c5f8bSBenjamin Tissoires return; 1420a69c5f8bSBenjamin Tissoires 14218dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, report); 14228dfe14b3SBenjamin Tissoires if (rdata && rdata->is_mt_collection) 14238dfe14b3SBenjamin Tissoires return mt_touch_report(hid, rdata); 1424fa11aa72SBenjamin Tissoires 1425e55f6200SBenjamin Tissoires if (field && field->hidinput && field->hidinput->input) 1426e55f6200SBenjamin Tissoires input_sync(field->hidinput->input); 14275519cab4SBenjamin Tissoires } 14285519cab4SBenjamin Tissoires 14297f81c8dbSBenjamin Tissoires static bool mt_need_to_apply_feature(struct hid_device *hdev, 14307f81c8dbSBenjamin Tissoires struct hid_field *field, 143102946f4bSBenjamin Tissoires struct hid_usage *usage, 143202946f4bSBenjamin Tissoires enum latency_mode latency, 143302946f4bSBenjamin Tissoires bool surface_switch, 1434ec6adef5SBenjamin Tissoires bool button_switch, 1435ec6adef5SBenjamin Tissoires bool *inputmode_found) 14365519cab4SBenjamin Tissoires { 14375519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1438da10bc25SMathieu Magnaudet struct mt_class *cls = &td->mtclass; 14397f81c8dbSBenjamin Tissoires struct hid_report *report = field->report; 14407f81c8dbSBenjamin Tissoires unsigned int index = usage->usage_index; 1441da10bc25SMathieu Magnaudet char *buf; 14423064a03bSAaron Ma u32 report_len; 14437f81c8dbSBenjamin Tissoires int max; 14445519cab4SBenjamin Tissoires 14457f81c8dbSBenjamin Tissoires switch (usage->hid) { 14467f81c8dbSBenjamin Tissoires case HID_DG_INPUTMODE: 1447ec6adef5SBenjamin Tissoires /* 1448ec6adef5SBenjamin Tissoires * Some elan panels wrongly declare 2 input mode features, 1449ec6adef5SBenjamin Tissoires * and silently ignore when we set the value in the second 1450ec6adef5SBenjamin Tissoires * field. Skip the second feature and hope for the best. 1451ec6adef5SBenjamin Tissoires */ 1452ec6adef5SBenjamin Tissoires if (*inputmode_found) 1453ec6adef5SBenjamin Tissoires return false; 1454ec6adef5SBenjamin Tissoires 1455da10bc25SMathieu Magnaudet if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { 14567f81c8dbSBenjamin Tissoires report_len = hid_report_len(report); 14577f81c8dbSBenjamin Tissoires buf = hid_alloc_report_buf(report, GFP_KERNEL); 1458da10bc25SMathieu Magnaudet if (!buf) { 14597f81c8dbSBenjamin Tissoires hid_err(hdev, 14607f81c8dbSBenjamin Tissoires "failed to allocate buffer for report\n"); 14617f81c8dbSBenjamin Tissoires return false; 1462da10bc25SMathieu Magnaudet } 14637f81c8dbSBenjamin Tissoires hid_hw_raw_request(hdev, report->id, buf, report_len, 1464da10bc25SMathieu Magnaudet HID_FEATURE_REPORT, 1465da10bc25SMathieu Magnaudet HID_REQ_GET_REPORT); 1466da10bc25SMathieu Magnaudet kfree(buf); 1467da10bc25SMathieu Magnaudet } 14687f81c8dbSBenjamin Tissoires 14697f81c8dbSBenjamin Tissoires field->value[index] = td->inputmode_value; 1470ec6adef5SBenjamin Tissoires *inputmode_found = true; 14717f81c8dbSBenjamin Tissoires return true; 14727f81c8dbSBenjamin Tissoires 14737f81c8dbSBenjamin Tissoires case HID_DG_CONTACTMAX: 14743ceb3826SBenjamin Tissoires if (cls->maxcontacts) { 14757f81c8dbSBenjamin Tissoires max = min_t(int, field->logical_maximum, 14763ceb3826SBenjamin Tissoires cls->maxcontacts); 14777f81c8dbSBenjamin Tissoires if (field->value[index] != max) { 14787f81c8dbSBenjamin Tissoires field->value[index] = max; 14797f81c8dbSBenjamin Tissoires return true; 14805519cab4SBenjamin Tissoires } 14815519cab4SBenjamin Tissoires } 14827f81c8dbSBenjamin Tissoires break; 148302946f4bSBenjamin Tissoires 148402946f4bSBenjamin Tissoires case HID_DG_LATENCYMODE: 148502946f4bSBenjamin Tissoires field->value[index] = latency; 148699c703acSJiri Kosina return true; 148702946f4bSBenjamin Tissoires 148802946f4bSBenjamin Tissoires case HID_DG_SURFACESWITCH: 148902946f4bSBenjamin Tissoires field->value[index] = surface_switch; 149099c703acSJiri Kosina return true; 149102946f4bSBenjamin Tissoires 149202946f4bSBenjamin Tissoires case HID_DG_BUTTONSWITCH: 149302946f4bSBenjamin Tissoires field->value[index] = button_switch; 149499c703acSJiri Kosina return true; 14957f81c8dbSBenjamin Tissoires } 14965519cab4SBenjamin Tissoires 14977f81c8dbSBenjamin Tissoires return false; /* no need to update the report */ 14987f81c8dbSBenjamin Tissoires } 14997f81c8dbSBenjamin Tissoires 150002946f4bSBenjamin Tissoires static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency, 150102946f4bSBenjamin Tissoires bool surface_switch, bool button_switch) 150231ae9bddSBenjamin Tissoires { 15037f81c8dbSBenjamin Tissoires struct hid_report_enum *rep_enum; 15047f81c8dbSBenjamin Tissoires struct hid_report *rep; 15057f81c8dbSBenjamin Tissoires struct hid_usage *usage; 15067f81c8dbSBenjamin Tissoires int i, j; 15077f81c8dbSBenjamin Tissoires bool update_report; 1508ec6adef5SBenjamin Tissoires bool inputmode_found = false; 150931ae9bddSBenjamin Tissoires 15107f81c8dbSBenjamin Tissoires rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; 15117f81c8dbSBenjamin Tissoires list_for_each_entry(rep, &rep_enum->report_list, list) { 15127f81c8dbSBenjamin Tissoires update_report = false; 151331ae9bddSBenjamin Tissoires 15147f81c8dbSBenjamin Tissoires for (i = 0; i < rep->maxfield; i++) { 15157f81c8dbSBenjamin Tissoires /* Ignore if report count is out of bounds. */ 15167f81c8dbSBenjamin Tissoires if (rep->field[i]->report_count < 1) 15177f81c8dbSBenjamin Tissoires continue; 151831ae9bddSBenjamin Tissoires 15197f81c8dbSBenjamin Tissoires for (j = 0; j < rep->field[i]->maxusage; j++) { 15207f81c8dbSBenjamin Tissoires usage = &rep->field[i]->usage[j]; 15217f81c8dbSBenjamin Tissoires 15227f81c8dbSBenjamin Tissoires if (mt_need_to_apply_feature(hdev, 15237f81c8dbSBenjamin Tissoires rep->field[i], 152402946f4bSBenjamin Tissoires usage, 152502946f4bSBenjamin Tissoires latency, 152602946f4bSBenjamin Tissoires surface_switch, 1527ec6adef5SBenjamin Tissoires button_switch, 1528ec6adef5SBenjamin Tissoires &inputmode_found)) 15297f81c8dbSBenjamin Tissoires update_report = true; 153031ae9bddSBenjamin Tissoires } 153131ae9bddSBenjamin Tissoires } 15327f81c8dbSBenjamin Tissoires 15337f81c8dbSBenjamin Tissoires if (update_report) 15347f81c8dbSBenjamin Tissoires hid_hw_request(hdev, rep, HID_REQ_SET_REPORT); 15357f81c8dbSBenjamin Tissoires } 153631ae9bddSBenjamin Tissoires } 153731ae9bddSBenjamin Tissoires 1538f146d1c4SBenjamin Tissoires static void mt_post_parse_default_settings(struct mt_device *td, 1539f146d1c4SBenjamin Tissoires struct mt_application *app) 15404fa3a583SHenrik Rydberg { 15413ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 15424fa3a583SHenrik Rydberg 15434fa3a583SHenrik Rydberg /* unknown serial device needs special quirks */ 154401eaac7eSBenjamin Tissoires if (list_is_singular(&app->mt_usages)) { 15454fa3a583SHenrik Rydberg quirks |= MT_QUIRK_ALWAYS_VALID; 15464fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; 15474fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_VALID_IS_INRANGE; 15484fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; 1549e0bb8f9aSBenjamin Tissoires quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 15504fa3a583SHenrik Rydberg } 15514fa3a583SHenrik Rydberg 15523ceb3826SBenjamin Tissoires app->quirks = quirks; 15534fa3a583SHenrik Rydberg } 15544fa3a583SHenrik Rydberg 1555f146d1c4SBenjamin Tissoires static void mt_post_parse(struct mt_device *td, struct mt_application *app) 15563ac36d15SBenjamin Tissoires { 155701eaac7eSBenjamin Tissoires if (!app->have_contact_count) 15583ceb3826SBenjamin Tissoires app->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 15593ac36d15SBenjamin Tissoires } 15603ac36d15SBenjamin Tissoires 1561b2c68a2fSDmitry Torokhov static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) 156276f5902aSHenrik Rydberg { 156376f5902aSHenrik Rydberg struct mt_device *td = hid_get_drvdata(hdev); 1564c08d46aaSBenjamin Tissoires char *name; 1565c08d46aaSBenjamin Tissoires const char *suffix = NULL; 15668dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1567f146d1c4SBenjamin Tissoires struct mt_application *mt_application = NULL; 156840ec2603SBenjamin Tissoires struct hid_report *report; 1569b2c68a2fSDmitry Torokhov int ret; 157076f5902aSHenrik Rydberg 157140ec2603SBenjamin Tissoires list_for_each_entry(report, &hi->reports, hidinput_list) { 15728dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, report); 15738dfe14b3SBenjamin Tissoires if (!rdata) { 15748dfe14b3SBenjamin Tissoires hid_err(hdev, "failed to allocate data for report\n"); 15758dfe14b3SBenjamin Tissoires return -ENOMEM; 15768dfe14b3SBenjamin Tissoires } 1577f146d1c4SBenjamin Tissoires 15788dfe14b3SBenjamin Tissoires mt_application = rdata->application; 15798dfe14b3SBenjamin Tissoires 15808dfe14b3SBenjamin Tissoires if (rdata->is_mt_collection) { 1581f146d1c4SBenjamin Tissoires ret = mt_touch_input_configured(hdev, hi, 1582f146d1c4SBenjamin Tissoires mt_application); 1583b2c68a2fSDmitry Torokhov if (ret) 1584b2c68a2fSDmitry Torokhov return ret; 1585b2c68a2fSDmitry Torokhov } 158640ec2603SBenjamin Tissoires } 158740ec2603SBenjamin Tissoires 15887ffa13beSBenjamin Tissoires switch (hi->application) { 15896aef704eSBenjamin Tissoires case HID_GD_KEYBOARD: 15906aef704eSBenjamin Tissoires case HID_GD_KEYPAD: 15916aef704eSBenjamin Tissoires case HID_GD_MOUSE: 159240ec2603SBenjamin Tissoires case HID_DG_TOUCHPAD: 159340ec2603SBenjamin Tissoires case HID_GD_SYSTEM_CONTROL: 159440ec2603SBenjamin Tissoires case HID_CP_CONSUMER_CONTROL: 159540ec2603SBenjamin Tissoires case HID_GD_WIRELESS_RADIO_CTLS: 1596ba6b055eSBenjamin Tissoires case HID_GD_SYSTEM_MULTIAXIS: 159740ec2603SBenjamin Tissoires /* already handled by hid core */ 15986aef704eSBenjamin Tissoires break; 15996aef704eSBenjamin Tissoires case HID_DG_TOUCHSCREEN: 16006aef704eSBenjamin Tissoires /* we do not set suffix = "Touchscreen" */ 160140ec2603SBenjamin Tissoires hi->input->name = hdev->name; 16026aef704eSBenjamin Tissoires break; 1603957b8dffSJoão Paulo Rechi Vita case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: 1604957b8dffSJoão Paulo Rechi Vita suffix = "Custom Media Keys"; 1605957b8dffSJoão Paulo Rechi Vita break; 1606bc8b796fSAhelenia Ziemiańska case HID_DG_STYLUS: 1607bc8b796fSAhelenia Ziemiańska /* force BTN_STYLUS to allow tablet matching in udev */ 1608bc8b796fSAhelenia Ziemiańska __set_bit(BTN_STYLUS, hi->input->keybit); 160969ecd44dSBenjamin Tissoires break; 16106aef704eSBenjamin Tissoires default: 16116aef704eSBenjamin Tissoires suffix = "UNKNOWN"; 16126aef704eSBenjamin Tissoires break; 16136aef704eSBenjamin Tissoires } 161476f5902aSHenrik Rydberg 1615c08d46aaSBenjamin Tissoires if (suffix) { 1616c08d46aaSBenjamin Tissoires name = devm_kzalloc(&hi->input->dev, 1617c08d46aaSBenjamin Tissoires strlen(hdev->name) + strlen(suffix) + 2, 1618c08d46aaSBenjamin Tissoires GFP_KERNEL); 1619c08d46aaSBenjamin Tissoires if (name) { 1620c08d46aaSBenjamin Tissoires sprintf(name, "%s %s", hdev->name, suffix); 1621c08d46aaSBenjamin Tissoires hi->input->name = name; 1622c08d46aaSBenjamin Tissoires } 1623c08d46aaSBenjamin Tissoires } 1624b2c68a2fSDmitry Torokhov 1625b2c68a2fSDmitry Torokhov return 0; 1626c08d46aaSBenjamin Tissoires } 1627c08d46aaSBenjamin Tissoires 1628f3287a99SBenjamin Tissoires static void mt_fix_const_field(struct hid_field *field, unsigned int usage) 1629f3287a99SBenjamin Tissoires { 1630f3287a99SBenjamin Tissoires if (field->usage[0].hid != usage || 1631f3287a99SBenjamin Tissoires !(field->flags & HID_MAIN_ITEM_CONSTANT)) 1632f3287a99SBenjamin Tissoires return; 1633f3287a99SBenjamin Tissoires 1634f3287a99SBenjamin Tissoires field->flags &= ~HID_MAIN_ITEM_CONSTANT; 1635f3287a99SBenjamin Tissoires field->flags |= HID_MAIN_ITEM_VARIABLE; 1636f3287a99SBenjamin Tissoires } 1637f3287a99SBenjamin Tissoires 1638f3287a99SBenjamin Tissoires static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) 1639f3287a99SBenjamin Tissoires { 1640f3287a99SBenjamin Tissoires struct hid_report *report; 1641f3287a99SBenjamin Tissoires int i; 1642f3287a99SBenjamin Tissoires 1643f3287a99SBenjamin Tissoires list_for_each_entry(report, 1644f3287a99SBenjamin Tissoires &hdev->report_enum[HID_INPUT_REPORT].report_list, 1645f3287a99SBenjamin Tissoires list) { 1646f3287a99SBenjamin Tissoires 1647f3287a99SBenjamin Tissoires if (!report->maxfield) 1648f3287a99SBenjamin Tissoires continue; 1649f3287a99SBenjamin Tissoires 1650f3287a99SBenjamin Tissoires for (i = 0; i < report->maxfield; i++) 1651f3287a99SBenjamin Tissoires if (report->field[i]->maxusage >= 1) 1652f3287a99SBenjamin Tissoires mt_fix_const_field(report->field[i], usage); 1653f3287a99SBenjamin Tissoires } 1654f3287a99SBenjamin Tissoires } 1655f3287a99SBenjamin Tissoires 16564f4001bcSBenjamin Tissoires static void mt_release_contacts(struct hid_device *hid) 16574f4001bcSBenjamin Tissoires { 16584f4001bcSBenjamin Tissoires struct hid_input *hidinput; 1659f146d1c4SBenjamin Tissoires struct mt_application *application; 16604f4001bcSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 16614f4001bcSBenjamin Tissoires 16624f4001bcSBenjamin Tissoires list_for_each_entry(hidinput, &hid->inputs, list) { 16634f4001bcSBenjamin Tissoires struct input_dev *input_dev = hidinput->input; 16644f4001bcSBenjamin Tissoires struct input_mt *mt = input_dev->mt; 16654f4001bcSBenjamin Tissoires int i; 16664f4001bcSBenjamin Tissoires 16674f4001bcSBenjamin Tissoires if (mt) { 16684f4001bcSBenjamin Tissoires for (i = 0; i < mt->num_slots; i++) { 16694f4001bcSBenjamin Tissoires input_mt_slot(input_dev, i); 16705fc70e35SJiada Wang input_mt_report_slot_inactive(input_dev); 16714f4001bcSBenjamin Tissoires } 16724f4001bcSBenjamin Tissoires input_mt_sync_frame(input_dev); 16734f4001bcSBenjamin Tissoires input_sync(input_dev); 16744f4001bcSBenjamin Tissoires } 16754f4001bcSBenjamin Tissoires } 16764f4001bcSBenjamin Tissoires 1677f146d1c4SBenjamin Tissoires list_for_each_entry(application, &td->applications, list) { 1678f146d1c4SBenjamin Tissoires application->num_received = 0; 1679f146d1c4SBenjamin Tissoires } 16804f4001bcSBenjamin Tissoires } 16814f4001bcSBenjamin Tissoires 16820ee32774SKees Cook static void mt_expired_timeout(struct timer_list *t) 16834f4001bcSBenjamin Tissoires { 16840ee32774SKees Cook struct mt_device *td = from_timer(td, t, release_timer); 16850ee32774SKees Cook struct hid_device *hdev = td->hdev; 16864f4001bcSBenjamin Tissoires 16874f4001bcSBenjamin Tissoires /* 16884f4001bcSBenjamin Tissoires * An input report came in just before we release the sticky fingers, 16894f4001bcSBenjamin Tissoires * it will take care of the sticky fingers. 16904f4001bcSBenjamin Tissoires */ 16914f4001bcSBenjamin Tissoires if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) 16924f4001bcSBenjamin Tissoires return; 169396098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) 16944f4001bcSBenjamin Tissoires mt_release_contacts(hdev); 16954f4001bcSBenjamin Tissoires clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); 16964f4001bcSBenjamin Tissoires } 16974f4001bcSBenjamin Tissoires 16985519cab4SBenjamin Tissoires static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) 16995519cab4SBenjamin Tissoires { 17002d93666eSBenjamin Tissoires int ret, i; 17015519cab4SBenjamin Tissoires struct mt_device *td; 1702cf6d15d7SBenjamin Tissoires const struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ 17032d93666eSBenjamin Tissoires 17042d93666eSBenjamin Tissoires for (i = 0; mt_classes[i].name ; i++) { 17052d93666eSBenjamin Tissoires if (id->driver_data == mt_classes[i].name) { 17062d93666eSBenjamin Tissoires mtclass = &(mt_classes[i]); 17072d93666eSBenjamin Tissoires break; 17082d93666eSBenjamin Tissoires } 17092d93666eSBenjamin Tissoires } 17105519cab4SBenjamin Tissoires 1711c08d46aaSBenjamin Tissoires td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); 17125519cab4SBenjamin Tissoires if (!td) { 17135519cab4SBenjamin Tissoires dev_err(&hdev->dev, "cannot allocate multitouch data\n"); 17145519cab4SBenjamin Tissoires return -ENOMEM; 17155519cab4SBenjamin Tissoires } 17160ee32774SKees Cook td->hdev = hdev; 1717eec29e3dSBenjamin Tissoires td->mtclass = *mtclass; 17189abebedbSAndrew Duggan td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; 17195519cab4SBenjamin Tissoires hid_set_drvdata(hdev, td); 17205519cab4SBenjamin Tissoires 1721f146d1c4SBenjamin Tissoires INIT_LIST_HEAD(&td->applications); 17228dfe14b3SBenjamin Tissoires INIT_LIST_HEAD(&td->reports); 1723f146d1c4SBenjamin Tissoires 172476f5902aSHenrik Rydberg if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) 172576f5902aSHenrik Rydberg td->serial_maybe = true; 172676f5902aSHenrik Rydberg 1727b897f6dbSBenjamin Tissoires /* This allows the driver to correctly support devices 1728b897f6dbSBenjamin Tissoires * that emit events over several HID messages. 1729b897f6dbSBenjamin Tissoires */ 1730b897f6dbSBenjamin Tissoires hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; 1731b897f6dbSBenjamin Tissoires 1732b897f6dbSBenjamin Tissoires /* 1733b897f6dbSBenjamin Tissoires * This allows the driver to handle different input sensors 173440ec2603SBenjamin Tissoires * that emits events through different applications on the same HID 1735b897f6dbSBenjamin Tissoires * device. 1736b897f6dbSBenjamin Tissoires */ 173740ec2603SBenjamin Tissoires hdev->quirks |= HID_QUIRK_INPUT_PER_APP; 1738b897f6dbSBenjamin Tissoires 17390d6c3011SBenjamin Tissoires if (id->group != HID_GROUP_MULTITOUCH_WIN_8) 17400d6c3011SBenjamin Tissoires hdev->quirks |= HID_QUIRK_MULTI_INPUT; 17410d6c3011SBenjamin Tissoires 174240d5bb87SBenjamin Tissoires if (mtclass->quirks & MT_QUIRK_FORCE_MULTI_INPUT) { 174340d5bb87SBenjamin Tissoires hdev->quirks &= ~HID_QUIRK_INPUT_PER_APP; 174440d5bb87SBenjamin Tissoires hdev->quirks |= HID_QUIRK_MULTI_INPUT; 174540d5bb87SBenjamin Tissoires } 174640d5bb87SBenjamin Tissoires 17470ee32774SKees Cook timer_setup(&td->release_timer, mt_expired_timeout, 0); 17484f4001bcSBenjamin Tissoires 17495519cab4SBenjamin Tissoires ret = hid_parse(hdev); 17505519cab4SBenjamin Tissoires if (ret != 0) 1751c08d46aaSBenjamin Tissoires return ret; 17525519cab4SBenjamin Tissoires 1753f3287a99SBenjamin Tissoires if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) 1754f3287a99SBenjamin Tissoires mt_fix_const_fields(hdev, HID_DG_CONTACTID); 1755f3287a99SBenjamin Tissoires 17565519cab4SBenjamin Tissoires ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 17572d93666eSBenjamin Tissoires if (ret) 1758c08d46aaSBenjamin Tissoires return ret; 17595519cab4SBenjamin Tissoires 1760eec29e3dSBenjamin Tissoires ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); 17610c4b3c63SNicholas Krause if (ret) 17620c4b3c63SNicholas Krause dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", 17630c4b3c63SNicholas Krause hdev->name); 1764eec29e3dSBenjamin Tissoires 176502946f4bSBenjamin Tissoires mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 17665519cab4SBenjamin Tissoires 17675519cab4SBenjamin Tissoires return 0; 17685519cab4SBenjamin Tissoires } 17695519cab4SBenjamin Tissoires 17705519cab4SBenjamin Tissoires #ifdef CONFIG_PM 1771c7aa374eSBlaž Hrastnik static int mt_suspend(struct hid_device *hdev, pm_message_t state) 1772c7aa374eSBlaž Hrastnik { 177331a4cf1dSHans de Goede struct mt_device *td = hid_get_drvdata(hdev); 177431a4cf1dSHans de Goede 1775c7aa374eSBlaž Hrastnik /* High latency is desirable for power savings during S3/S0ix */ 1776498d0ddcSHans de Goede if ((td->mtclass.quirks & MT_QUIRK_DISABLE_WAKEUP) || 1777498d0ddcSHans de Goede !hid_hw_may_wakeup(hdev)) 177831a4cf1dSHans de Goede mt_set_modes(hdev, HID_LATENCY_HIGH, false, false); 177931a4cf1dSHans de Goede else 1780c7aa374eSBlaž Hrastnik mt_set_modes(hdev, HID_LATENCY_HIGH, true, true); 178131a4cf1dSHans de Goede 1782c7aa374eSBlaž Hrastnik return 0; 1783c7aa374eSBlaž Hrastnik } 1784c7aa374eSBlaž Hrastnik 17855519cab4SBenjamin Tissoires static int mt_reset_resume(struct hid_device *hdev) 17865519cab4SBenjamin Tissoires { 1787d3e69b9aSBenson Leung mt_release_contacts(hdev); 178802946f4bSBenjamin Tissoires mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 17895519cab4SBenjamin Tissoires return 0; 17905519cab4SBenjamin Tissoires } 1791dfeefd10SScott Liu 1792dfeefd10SScott Liu static int mt_resume(struct hid_device *hdev) 1793dfeefd10SScott Liu { 1794dfeefd10SScott Liu /* Some Elan legacy devices require SET_IDLE to be set on resume. 1795dfeefd10SScott Liu * It should be safe to send it to other devices too. 1796dfeefd10SScott Liu * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ 1797dfeefd10SScott Liu 17984ba25d3fSBenjamin Tissoires hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); 1799dfeefd10SScott Liu 1800c7aa374eSBlaž Hrastnik mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 1801c7aa374eSBlaž Hrastnik 1802dfeefd10SScott Liu return 0; 1803dfeefd10SScott Liu } 18045519cab4SBenjamin Tissoires #endif 18055519cab4SBenjamin Tissoires 18065519cab4SBenjamin Tissoires static void mt_remove(struct hid_device *hdev) 18075519cab4SBenjamin Tissoires { 1808b897f6dbSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1809b897f6dbSBenjamin Tissoires 18104f4001bcSBenjamin Tissoires del_timer_sync(&td->release_timer); 18114f4001bcSBenjamin Tissoires 1812eec29e3dSBenjamin Tissoires sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); 18135939212dSBenjamin Tissoires hid_hw_stop(hdev); 18145519cab4SBenjamin Tissoires } 18155519cab4SBenjamin Tissoires 18160fa9c616SBenjamin Tissoires /* 18170fa9c616SBenjamin Tissoires * This list contains only: 18180fa9c616SBenjamin Tissoires * - VID/PID of products not working with the default multitouch handling 18190fa9c616SBenjamin Tissoires * - 2 generic rules. 18200fa9c616SBenjamin Tissoires * So there is no point in adding here any device with MT_CLS_DEFAULT. 18210fa9c616SBenjamin Tissoires */ 18225519cab4SBenjamin Tissoires static const struct hid_device_id mt_devices[] = { 18235519cab4SBenjamin Tissoires 1824f786bba4SBenjamin Tissoires /* 3M panels */ 1825f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 18262c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1827f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M1968) }, 1828f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 18292c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1830f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M2256) }, 1831c4fad877SBenjamin Tissoires { .driver_data = MT_CLS_3M, 18322c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1833c4fad877SBenjamin Tissoires USB_DEVICE_ID_3M3266) }, 1834f786bba4SBenjamin Tissoires 18356aef704eSBenjamin Tissoires /* Anton devices */ 18366aef704eSBenjamin Tissoires { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, 18376aef704eSBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_ANTON, 18386aef704eSBenjamin Tissoires USB_DEVICE_ID_ANTON_TOUCH_PAD) }, 1839e6aac342SBenjamin Tissoires 184031a4cf1dSHans de Goede /* Asus T101HA */ 184131a4cf1dSHans de Goede { .driver_data = MT_CLS_WIN_8_DISABLE_WAKEUP, 184231a4cf1dSHans de Goede HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 184331a4cf1dSHans de Goede USB_VENDOR_ID_ASUSTEK, 184431a4cf1dSHans de Goede USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) }, 184531a4cf1dSHans de Goede 1846957b8dffSJoão Paulo Rechi Vita /* Asus T304UA */ 1847957b8dffSJoão Paulo Rechi Vita { .driver_data = MT_CLS_ASUS, 1848957b8dffSJoão Paulo Rechi Vita HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 1849957b8dffSJoão Paulo Rechi Vita USB_VENDOR_ID_ASUSTEK, 1850957b8dffSJoão Paulo Rechi Vita USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, 1851957b8dffSJoão Paulo Rechi Vita 1852b1057124SBenjamin Tissoires /* Atmel panels */ 1853b1057124SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 18542c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, 1855841cb157SBenjamin Tissoires USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, 1856b1057124SBenjamin Tissoires 18579ed32695SJiri Kosina /* Baanto multitouch devices */ 1858dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 185916b79bb8SJiri Kosina MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, 18609ed32695SJiri Kosina USB_DEVICE_ID_BAANTO_MT_190W2) }, 18610fa9c616SBenjamin Tissoires 1862a841b62cSBenjamin Tissoires /* Cando panels */ 1863a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 18642c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 1865a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, 1866a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 18672c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 1868a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, 1869a841b62cSBenjamin Tissoires 1870942fd422SAustin Zhang /* Chunghwa Telecom touch panels */ 1871dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18722c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, 1873942fd422SAustin Zhang USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, 1874942fd422SAustin Zhang 1875070f63b4SYang Bo /* CJTouch panels */ 1876070f63b4SYang Bo { .driver_data = MT_CLS_NSMU, 1877070f63b4SYang Bo MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, 1878070f63b4SYang Bo USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, 1879070f63b4SYang Bo { .driver_data = MT_CLS_NSMU, 1880070f63b4SYang Bo MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, 1881070f63b4SYang Bo USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, 1882070f63b4SYang Bo 188379603dc9SBenjamin Tissoires /* CVTouch panels */ 1884dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18852c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, 188679603dc9SBenjamin Tissoires USB_DEVICE_ID_CVTOUCH_SCREEN) }, 188779603dc9SBenjamin Tissoires 188832bea357SOndrej Zary /* eGalax devices (SAW) */ 188932bea357SOndrej Zary { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, 189032bea357SOndrej Zary MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 189132bea357SOndrej Zary USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER) }, 189232bea357SOndrej Zary 189322408283SBenjamin Tissoires /* eGalax devices (resistive) */ 189422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18952c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1896e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, 189722408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18982c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1899e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, 190022408283SBenjamin Tissoires 190122408283SBenjamin Tissoires /* eGalax devices (capacitive) */ 1902fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19032c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1904fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, 190522408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 19062c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1907e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, 1908fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19092c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1910fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, 19112ce09df4SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19122c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 19132ce09df4SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, 191422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19152c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 191622408283SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, 1917fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19182c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1919fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, 192022408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 19212c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 192222408283SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, 192322408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 192422408283SBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1925e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, 1926fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19272c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1928fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, 19291fd8f047SChris Bagwell { .driver_data = MT_CLS_EGALAX, 1930aa672da1SAndy Shevchenko HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 1931aa672da1SAndy Shevchenko USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, 1932aa672da1SAndy Shevchenko { .driver_data = MT_CLS_EGALAX, 1933aa672da1SAndy Shevchenko HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 1934aa672da1SAndy Shevchenko USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, 1935aa672da1SAndy Shevchenko { .driver_data = MT_CLS_EGALAX, 19362c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 193766f06127SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, 193866f06127SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 19392c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1940bb9ff210SMarek Vasut USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, 19411b723e8dSBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19422c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1943fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, 1944fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19452c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1946ae01c9e5SThierry Reding USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, 1947ae01c9e5SThierry Reding { .driver_data = MT_CLS_EGALAX_SERIAL, 1948ae01c9e5SThierry Reding MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1949e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, 1950f9e82295SSebastian Reichel { .driver_data = MT_CLS_EGALAX, 1951f9e82295SSebastian Reichel MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1952f9e82295SSebastian Reichel USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) }, 195322408283SBenjamin Tissoires 195440d5bb87SBenjamin Tissoires /* Elan devices */ 195540d5bb87SBenjamin Tissoires { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 195640d5bb87SBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 195740d5bb87SBenjamin Tissoires USB_VENDOR_ID_ELAN, 0x313a) }, 195840d5bb87SBenjamin Tissoires 19597c7606a2STomas Sokorai /* Elitegroup panel */ 19607c7606a2STomas Sokorai { .driver_data = MT_CLS_SERIAL, 19617c7606a2STomas Sokorai MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, 19627c7606a2STomas Sokorai USB_DEVICE_ID_ELITEGROUP_05D8) }, 19637c7606a2STomas Sokorai 196477723e3bSHenrik Rydberg /* Flatfrog Panels */ 196577723e3bSHenrik Rydberg { .driver_data = MT_CLS_FLATFROG, 196677723e3bSHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, 196777723e3bSHenrik Rydberg USB_DEVICE_ID_MULTITOUCH_3200) }, 196877723e3bSHenrik Rydberg 19693db187e7SBenjamin Tissoires /* FocalTech Panels */ 19703db187e7SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 19713db187e7SBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, 19723db187e7SBenjamin Tissoires USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, 19733db187e7SBenjamin Tissoires 19745572da08SBenjamin Tissoires /* GeneralTouch panel */ 1975f5ff4e1eSXianhan Yu { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, 19762c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19775572da08SBenjamin Tissoires USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, 1978f5ff4e1eSXianhan Yu { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 1979f5ff4e1eSXianhan Yu MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 1980f5ff4e1eSXianhan Yu USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, 19817b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, 19827b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19837b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, 19847b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19857b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19867b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, 19877b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19887b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19897b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, 19907b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19917b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19927b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, 19937b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19947b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19957b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, 19965572da08SBenjamin Tissoires 19974d5df5d1SAndreas Nielsen /* Gametel game controller */ 1998dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19992c2110e9SHenrik Rydberg MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, 20004d5df5d1SAndreas Nielsen USB_DEVICE_ID_GAMETEL_MT_MODE) }, 20014d5df5d1SAndreas Nielsen 2002ee0fbd14SBenjamin Tissoires /* GoodTouch panels */ 2003dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20042c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, 2005ee0fbd14SBenjamin Tissoires USB_DEVICE_ID_GOODTOUCH_000f) }, 2006ee0fbd14SBenjamin Tissoires 200754580365SBenjamin Tissoires /* Hanvon panels */ 200854580365SBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 20092c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, 201054580365SBenjamin Tissoires USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, 201154580365SBenjamin Tissoires 20124e61f0d7SAustin Zhang /* Ilitek dual touch panel */ 2013dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20142c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, 20154e61f0d7SAustin Zhang USB_DEVICE_ID_ILITEK_MULTITOUCH) }, 20164e61f0d7SAustin Zhang 2017f3287a99SBenjamin Tissoires /* LG Melfas panel */ 2018f3287a99SBenjamin Tissoires { .driver_data = MT_CLS_LG, 2019f3287a99SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_LG, 2020f3287a99SBenjamin Tissoires USB_DEVICE_ID_LG_MELFAS_MT) }, 2021348b80b2SAaron Ma { .driver_data = MT_CLS_LG, 2022348b80b2SAaron Ma HID_DEVICE(BUS_I2C, HID_GROUP_GENERIC, 2023348b80b2SAaron Ma USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_7010) }, 2024f3287a99SBenjamin Tissoires 20254a6a4c96SMikael Wikström /* Lenovo X1 TAB Gen 2 */ 20264a6a4c96SMikael Wikström { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 20274a6a4c96SMikael Wikström HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 20284a6a4c96SMikael Wikström USB_VENDOR_ID_LENOVO, 20294a6a4c96SMikael Wikström USB_DEVICE_ID_LENOVO_X1_TAB) }, 20304a6a4c96SMikael Wikström 2031140958daSMikael Wikström /* Lenovo X1 TAB Gen 3 */ 2032140958daSMikael Wikström { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 2033140958daSMikael Wikström HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 2034140958daSMikael Wikström USB_VENDOR_ID_LENOVO, 2035140958daSMikael Wikström USB_DEVICE_ID_LENOVO_X1_TAB3) }, 2036140958daSMikael Wikström 2037*95cd2cdcSTao Jin /* Lenovo X12 TAB Gen 1 */ 2038*95cd2cdcSTao Jin { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 2039*95cd2cdcSTao Jin HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 2040*95cd2cdcSTao Jin USB_VENDOR_ID_LENOVO, 2041*95cd2cdcSTao Jin USB_DEVICE_ID_LENOVO_X12_TAB) }, 2042*95cd2cdcSTao Jin 20434a6ee685SBenjamin Tissoires /* MosArt panels */ 20444a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 20452c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ASUS, 20464a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUS_T91MT)}, 20474a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 20482c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ASUS, 20494a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, 20504a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 20512c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, 20524a6ee685SBenjamin Tissoires USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, 20534a6ee685SBenjamin Tissoires 20544db703eaSAustin Hendrix /* Novatek Panel */ 2055dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20564380d819SJiri Kosina MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, 20574db703eaSAustin Hendrix USB_DEVICE_ID_NOVATEK_PCT) }, 20584db703eaSAustin Hendrix 2059a80e803aSBenjamin Tissoires /* Ntrig Panel */ 2060a80e803aSBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 2061a80e803aSBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 2062a80e803aSBenjamin Tissoires USB_VENDOR_ID_NTRIG, 0x1b05) }, 2063a80e803aSBenjamin Tissoires 2064fb55b402SHans de Goede /* Panasonic panels */ 2065fb55b402SHans de Goede { .driver_data = MT_CLS_PANASONIC, 2066fb55b402SHans de Goede MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, 2067fb55b402SHans de Goede USB_DEVICE_ID_PANABOARD_UBT780) }, 2068fb55b402SHans de Goede { .driver_data = MT_CLS_PANASONIC, 2069fb55b402SHans de Goede MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, 2070fb55b402SHans de Goede USB_DEVICE_ID_PANABOARD_UBT880) }, 2071fb55b402SHans de Goede 2072b7ea95ffSAaron Tian /* PixArt optical touch screen */ 2073b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 20742c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 2075b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, 2076b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 20772c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 2078b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, 2079b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 20802c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 2081b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, 2082b7ea95ffSAaron Tian 20835519cab4SBenjamin Tissoires /* PixCir-based panels */ 20841e9cf35bSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 20852c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 20865519cab4SBenjamin Tissoires USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, 20875519cab4SBenjamin Tissoires 20885e7ea11fSBenjamin Tissoires /* Quanta-based panels */ 20895e7ea11fSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, 20902c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, 20915e7ea11fSBenjamin Tissoires USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, 2092a6802e00SForest Bond 2093843e475fSBenjamin Tissoires /* Razer touchpads */ 2094843e475fSBenjamin Tissoires { .driver_data = MT_CLS_RAZER_BLADE_STEALTH, 2095843e475fSBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 2096843e475fSBenjamin Tissoires USB_VENDOR_ID_SYNAPTICS, 0x8323) }, 2097843e475fSBenjamin Tissoires 209869ecd44dSBenjamin Tissoires /* Smart Tech panels */ 209969ecd44dSBenjamin Tissoires { .driver_data = MT_CLS_SMART_TECH, 210069ecd44dSBenjamin Tissoires MT_USB_DEVICE(0x0b8c, 0x0092)}, 210169ecd44dSBenjamin Tissoires 2102043b403aSBenjamin Tissoires /* Stantum panels */ 2103bf5af9b5SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE, 21042c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, 2105043b403aSBenjamin Tissoires USB_DEVICE_ID_MTP_STM)}, 2106043b403aSBenjamin Tissoires 210740d5bb87SBenjamin Tissoires /* Synaptics devices */ 210840d5bb87SBenjamin Tissoires { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 210940d5bb87SBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 211040d5bb87SBenjamin Tissoires USB_VENDOR_ID_SYNAPTICS, 0xce08) }, 211140d5bb87SBenjamin Tissoires 2112c3d6eb6eSKai-Heng Feng { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 2113c3d6eb6eSKai-Heng Feng HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 2114c3d6eb6eSKai-Heng Feng USB_VENDOR_ID_SYNAPTICS, 0xce09) }, 2115c3d6eb6eSKai-Heng Feng 2116847672cdSBenjamin Tissoires /* TopSeed panels */ 2117847672cdSBenjamin Tissoires { .driver_data = MT_CLS_TOPSEED, 21182c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, 2119847672cdSBenjamin Tissoires USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, 2120847672cdSBenjamin Tissoires 21215e74e56dSBenjamin Tissoires /* Touch International panels */ 2122dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21232c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, 21245e74e56dSBenjamin Tissoires USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, 21255e74e56dSBenjamin Tissoires 2126617b64f9SBenjamin Tissoires /* Unitec panels */ 2127dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21282c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, 2129617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, 2130dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21312c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, 2132617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, 2133bf9d121eSKaiChung Cheng 2134da10bc25SMathieu Magnaudet /* VTL panels */ 2135da10bc25SMathieu Magnaudet { .driver_data = MT_CLS_VTL, 2136da10bc25SMathieu Magnaudet MT_USB_DEVICE(USB_VENDOR_ID_VTL, 2137da10bc25SMathieu Magnaudet USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, 2138da10bc25SMathieu Magnaudet 213908b9a61aSJosé Expósito /* Winbond Electronics Corp. */ 214008b9a61aSJosé Expósito { .driver_data = MT_CLS_WIN_8_NO_STICKY_FINGERS, 214108b9a61aSJosé Expósito HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, 214208b9a61aSJosé Expósito USB_VENDOR_ID_WINBOND, USB_DEVICE_ID_TSTP_MTOUCH) }, 214308b9a61aSJosé Expósito 2144bf9d121eSKaiChung Cheng /* Wistron panels */ 2145bf9d121eSKaiChung Cheng { .driver_data = MT_CLS_NSMU, 2146bf9d121eSKaiChung Cheng MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, 2147bf9d121eSKaiChung Cheng USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, 2148bf9d121eSKaiChung Cheng 2149bc8a2a9bSice chien /* XAT */ 2150dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21512c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XAT, 2152bc8a2a9bSice chien USB_DEVICE_ID_XAT_CSR) }, 2153617b64f9SBenjamin Tissoires 215411576c61SMasatoshi Hoshikawa /* Xiroku */ 2155dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21562c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 215711576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX) }, 2158dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21592c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 216011576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX) }, 2161dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21622c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 216311576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR) }, 2164dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21652c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 216611576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX1) }, 2167dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21682c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 216911576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX1) }, 2170dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21712c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 217211576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR1) }, 2173dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21742c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 217511576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX2) }, 2176dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21772c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 217811576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX2) }, 2179dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21802c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 218111576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR2) }, 218211576c61SMasatoshi Hoshikawa 21830e82232cSWei-Ning Huang /* Google MT devices */ 21840e82232cSWei-Ning Huang { .driver_data = MT_CLS_GOOGLE, 21850e82232cSWei-Ning Huang HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, 21860e82232cSWei-Ning Huang USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, 21870e82232cSWei-Ning Huang 21884fa3a583SHenrik Rydberg /* Generic MT device */ 21894fa3a583SHenrik Rydberg { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, 2190f961bd35SBenjamin Tissoires 2191f961bd35SBenjamin Tissoires /* Generic Win 8 certified MT device */ 2192f961bd35SBenjamin Tissoires { .driver_data = MT_CLS_WIN_8, 2193f961bd35SBenjamin Tissoires HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, 2194f961bd35SBenjamin Tissoires HID_ANY_ID, HID_ANY_ID) }, 21955519cab4SBenjamin Tissoires { } 21965519cab4SBenjamin Tissoires }; 21975519cab4SBenjamin Tissoires MODULE_DEVICE_TABLE(hid, mt_devices); 21985519cab4SBenjamin Tissoires 21995519cab4SBenjamin Tissoires static const struct hid_usage_id mt_grabbed_usages[] = { 22005519cab4SBenjamin Tissoires { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, 22015519cab4SBenjamin Tissoires { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} 22025519cab4SBenjamin Tissoires }; 22035519cab4SBenjamin Tissoires 22045519cab4SBenjamin Tissoires static struct hid_driver mt_driver = { 22055519cab4SBenjamin Tissoires .name = "hid-multitouch", 22065519cab4SBenjamin Tissoires .id_table = mt_devices, 22075519cab4SBenjamin Tissoires .probe = mt_probe, 22085519cab4SBenjamin Tissoires .remove = mt_remove, 22095519cab4SBenjamin Tissoires .input_mapping = mt_input_mapping, 22105519cab4SBenjamin Tissoires .input_mapped = mt_input_mapped, 221176f5902aSHenrik Rydberg .input_configured = mt_input_configured, 22125519cab4SBenjamin Tissoires .feature_mapping = mt_feature_mapping, 22135519cab4SBenjamin Tissoires .usage_table = mt_grabbed_usages, 22145519cab4SBenjamin Tissoires .event = mt_event, 221555978fa9SBenjamin Tissoires .report = mt_report, 22165519cab4SBenjamin Tissoires #ifdef CONFIG_PM 2217c7aa374eSBlaž Hrastnik .suspend = mt_suspend, 22185519cab4SBenjamin Tissoires .reset_resume = mt_reset_resume, 2219dfeefd10SScott Liu .resume = mt_resume, 22205519cab4SBenjamin Tissoires #endif 22215519cab4SBenjamin Tissoires }; 2222f425458eSH Hartley Sweeten module_hid_driver(mt_driver); 2223