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 19622408283SBenjamin Tissoires 19722408283SBenjamin Tissoires /* vendor specific classes */ 19822408283SBenjamin Tissoires #define MT_CLS_3M 0x0101 1990fa9c616SBenjamin Tissoires /* reserved 0x0102 */ 20022408283SBenjamin Tissoires #define MT_CLS_EGALAX 0x0103 2011b723e8dSBenjamin Tissoires #define MT_CLS_EGALAX_SERIAL 0x0104 202847672cdSBenjamin Tissoires #define MT_CLS_TOPSEED 0x0105 2032258e863SDenis Kovalev #define MT_CLS_PANASONIC 0x0106 20477723e3bSHenrik Rydberg #define MT_CLS_FLATFROG 0x0107 205cdcd3ac4SJiri Kosina #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 206cdcd3ac4SJiri Kosina #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 207f3287a99SBenjamin Tissoires #define MT_CLS_LG 0x010a 208957b8dffSJoão Paulo Rechi Vita #define MT_CLS_ASUS 0x010b 209da10bc25SMathieu Magnaudet #define MT_CLS_VTL 0x0110 2100e82232cSWei-Ning Huang #define MT_CLS_GOOGLE 0x0111 211843e475fSBenjamin Tissoires #define MT_CLS_RAZER_BLADE_STEALTH 0x0112 21269ecd44dSBenjamin Tissoires #define MT_CLS_SMART_TECH 0x0113 2135519cab4SBenjamin Tissoires 2149498f954SBenjamin Tissoires #define MT_DEFAULT_MAXCONTACT 10 215afbcb04cSBenjamin Tissoires #define MT_MAX_MAXCONTACT 250 2169498f954SBenjamin Tissoires 21729cc309dSNicolas Boichat /* 21829cc309dSNicolas Boichat * Resync device and local timestamps after that many microseconds without 21929cc309dSNicolas Boichat * receiving data. 22029cc309dSNicolas Boichat */ 22129cc309dSNicolas Boichat #define MAX_TIMESTAMP_INTERVAL 1000000 22229cc309dSNicolas Boichat 2232c2110e9SHenrik Rydberg #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) 2242c2110e9SHenrik Rydberg #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) 2252c2110e9SHenrik Rydberg 2265519cab4SBenjamin Tissoires /* 2275519cab4SBenjamin Tissoires * these device-dependent functions determine what slot corresponds 2285519cab4SBenjamin Tissoires * to a valid contact that was just read. 2295519cab4SBenjamin Tissoires */ 2305519cab4SBenjamin Tissoires 23101eaac7eSBenjamin Tissoires static int cypress_compute_slot(struct mt_application *application, 23201eaac7eSBenjamin Tissoires struct mt_usages *slot) 233a3b5e577SBenjamin Tissoires { 23401eaac7eSBenjamin Tissoires if (*slot->contactid != 0 || application->num_received == 0) 23501eaac7eSBenjamin Tissoires return *slot->contactid; 236a3b5e577SBenjamin Tissoires else 237a3b5e577SBenjamin Tissoires return -1; 238a3b5e577SBenjamin Tissoires } 239a3b5e577SBenjamin Tissoires 240cf6d15d7SBenjamin Tissoires static const struct mt_class mt_classes[] = { 2412d93666eSBenjamin Tissoires { .name = MT_CLS_DEFAULT, 242dc3e1d80SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 243dc3e1d80SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE }, 244dc3e1d80SBenjamin Tissoires { .name = MT_CLS_NSMU, 2459498f954SBenjamin Tissoires .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, 246a062cc5aSStephane Chatty { .name = MT_CLS_SERIAL, 247a062cc5aSStephane Chatty .quirks = MT_QUIRK_ALWAYS_VALID}, 24822408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE, 24922408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, 2505e7ea11fSBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_CONTACT_ID, 2515e7ea11fSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 2525e7ea11fSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID }, 25322408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_MINUS_ONE, 25422408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 25522408283SBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, 2561e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTID, 2572d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 2582d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID, 2592d93666eSBenjamin Tissoires .maxcontacts = 2 }, 2601e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 2612d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 2622d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTNUMBER, 2632d93666eSBenjamin Tissoires .maxcontacts = 2 }, 264b7ea95ffSAaron Tian { .name = MT_CLS_INRANGE_CONTACTNUMBER, 265b7ea95ffSAaron Tian .quirks = MT_QUIRK_VALID_IS_INRANGE | 266b7ea95ffSAaron Tian MT_QUIRK_SLOT_IS_CONTACTNUMBER }, 267f961bd35SBenjamin Tissoires { .name = MT_CLS_WIN_8, 268f961bd35SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 269f961bd35SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 270f961bd35SBenjamin Tissoires MT_QUIRK_HOVERING | 2714f4001bcSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 272d9c57a70SBenjamin Tissoires MT_QUIRK_STICKY_FINGERS | 273c23e2043SBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS, 274c23e2043SBenjamin Tissoires .export_all_inputs = true }, 2756aef704eSBenjamin Tissoires { .name = MT_CLS_EXPORT_ALL_INPUTS, 2766aef704eSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 2776aef704eSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE, 2786aef704eSBenjamin Tissoires .export_all_inputs = true }, 27940d5bb87SBenjamin Tissoires { .name = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 28040d5bb87SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 28140d5bb87SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 28240d5bb87SBenjamin Tissoires MT_QUIRK_HOVERING | 28340d5bb87SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 28440d5bb87SBenjamin Tissoires MT_QUIRK_STICKY_FINGERS | 28540d5bb87SBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS | 28640d5bb87SBenjamin Tissoires MT_QUIRK_FORCE_MULTI_INPUT, 28740d5bb87SBenjamin Tissoires .export_all_inputs = true }, 28831a4cf1dSHans de Goede { .name = MT_CLS_WIN_8_DISABLE_WAKEUP, 28931a4cf1dSHans de Goede .quirks = MT_QUIRK_ALWAYS_VALID | 29031a4cf1dSHans de Goede MT_QUIRK_IGNORE_DUPLICATES | 29131a4cf1dSHans de Goede MT_QUIRK_HOVERING | 29231a4cf1dSHans de Goede MT_QUIRK_CONTACT_CNT_ACCURATE | 29331a4cf1dSHans de Goede MT_QUIRK_STICKY_FINGERS | 29431a4cf1dSHans de Goede MT_QUIRK_WIN8_PTP_BUTTONS | 29531a4cf1dSHans de Goede MT_QUIRK_DISABLE_WAKEUP, 29631a4cf1dSHans de Goede .export_all_inputs = true }, 29722408283SBenjamin Tissoires 29822408283SBenjamin Tissoires /* 29922408283SBenjamin Tissoires * vendor specific classes 30022408283SBenjamin Tissoires */ 30122408283SBenjamin Tissoires { .name = MT_CLS_3M, 30222408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 303e9d0a26dSHungNien Chen MT_QUIRK_SLOT_IS_CONTACTID | 304e9d0a26dSHungNien Chen MT_QUIRK_TOUCH_SIZE_SCALING, 30522408283SBenjamin Tissoires .sn_move = 2048, 30622408283SBenjamin Tissoires .sn_width = 128, 307c5d40be5SHenrik Rydberg .sn_height = 128, 308c5d40be5SHenrik Rydberg .maxcontacts = 60, 309c5d40be5SHenrik Rydberg }, 3104875ac11SRichard Nauber { .name = MT_CLS_EGALAX, 3114875ac11SRichard Nauber .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 3122261bb9fSBenjamin Tissoires MT_QUIRK_VALID_IS_INRANGE, 3134875ac11SRichard Nauber .sn_move = 4096, 3144875ac11SRichard Nauber .sn_pressure = 32, 3154875ac11SRichard Nauber }, 3161b723e8dSBenjamin Tissoires { .name = MT_CLS_EGALAX_SERIAL, 3171b723e8dSBenjamin Tissoires .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 3181b723e8dSBenjamin Tissoires MT_QUIRK_ALWAYS_VALID, 3192d93666eSBenjamin Tissoires .sn_move = 4096, 3202d93666eSBenjamin Tissoires .sn_pressure = 32, 3212d93666eSBenjamin Tissoires }, 322847672cdSBenjamin Tissoires { .name = MT_CLS_TOPSEED, 323847672cdSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID, 324847672cdSBenjamin Tissoires .is_indirect = true, 325847672cdSBenjamin Tissoires .maxcontacts = 2, 326847672cdSBenjamin Tissoires }, 3272258e863SDenis Kovalev { .name = MT_CLS_PANASONIC, 3282258e863SDenis Kovalev .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, 3292258e863SDenis Kovalev .maxcontacts = 4 }, 330f5ff4e1eSXianhan Yu { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, 331f5ff4e1eSXianhan Yu .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 332f5ff4e1eSXianhan Yu MT_QUIRK_VALID_IS_INRANGE | 3337b226292SLuosong MT_QUIRK_SLOT_IS_CONTACTID, 334f5ff4e1eSXianhan Yu .maxcontacts = 2 335f5ff4e1eSXianhan Yu }, 336f5ff4e1eSXianhan Yu { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 337f5ff4e1eSXianhan Yu .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 3387b226292SLuosong MT_QUIRK_SLOT_IS_CONTACTID 339f5ff4e1eSXianhan Yu }, 340043b403aSBenjamin Tissoires 34177723e3bSHenrik Rydberg { .name = MT_CLS_FLATFROG, 34277723e3bSHenrik Rydberg .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 34377723e3bSHenrik Rydberg MT_QUIRK_NO_AREA, 34477723e3bSHenrik Rydberg .sn_move = 2048, 34577723e3bSHenrik Rydberg .maxcontacts = 40, 34677723e3bSHenrik Rydberg }, 347f3287a99SBenjamin Tissoires { .name = MT_CLS_LG, 348f3287a99SBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 349f3287a99SBenjamin Tissoires MT_QUIRK_FIX_CONST_CONTACT_ID | 350f3287a99SBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 351f3287a99SBenjamin Tissoires MT_QUIRK_HOVERING | 352f3287a99SBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE }, 353957b8dffSJoão Paulo Rechi Vita { .name = MT_CLS_ASUS, 354957b8dffSJoão Paulo Rechi Vita .quirks = MT_QUIRK_ALWAYS_VALID | 355957b8dffSJoão Paulo Rechi Vita MT_QUIRK_CONTACT_CNT_ACCURATE | 356957b8dffSJoão Paulo Rechi Vita MT_QUIRK_ASUS_CUSTOM_UP }, 357da10bc25SMathieu Magnaudet { .name = MT_CLS_VTL, 358da10bc25SMathieu Magnaudet .quirks = MT_QUIRK_ALWAYS_VALID | 359da10bc25SMathieu Magnaudet MT_QUIRK_CONTACT_CNT_ACCURATE | 360da10bc25SMathieu Magnaudet MT_QUIRK_FORCE_GET_FEATURE, 361da10bc25SMathieu Magnaudet }, 3620e82232cSWei-Ning Huang { .name = MT_CLS_GOOGLE, 3630e82232cSWei-Ning Huang .quirks = MT_QUIRK_ALWAYS_VALID | 3640e82232cSWei-Ning Huang MT_QUIRK_CONTACT_CNT_ACCURATE | 3650e82232cSWei-Ning Huang MT_QUIRK_SLOT_IS_CONTACTID | 3660e82232cSWei-Ning Huang MT_QUIRK_HOVERING 3670e82232cSWei-Ning Huang }, 368843e475fSBenjamin Tissoires { .name = MT_CLS_RAZER_BLADE_STEALTH, 369843e475fSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 370843e475fSBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 371843e475fSBenjamin Tissoires MT_QUIRK_HOVERING | 372843e475fSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 373843e475fSBenjamin Tissoires MT_QUIRK_WIN8_PTP_BUTTONS, 374843e475fSBenjamin Tissoires }, 37569ecd44dSBenjamin Tissoires { .name = MT_CLS_SMART_TECH, 37669ecd44dSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID | 37769ecd44dSBenjamin Tissoires MT_QUIRK_IGNORE_DUPLICATES | 37869ecd44dSBenjamin Tissoires MT_QUIRK_CONTACT_CNT_ACCURATE | 37969ecd44dSBenjamin Tissoires MT_QUIRK_SEPARATE_APP_REPORT, 38069ecd44dSBenjamin Tissoires }, 3812d93666eSBenjamin Tissoires { } 3825519cab4SBenjamin Tissoires }; 3835519cab4SBenjamin Tissoires 384eec29e3dSBenjamin Tissoires static ssize_t mt_show_quirks(struct device *dev, 385eec29e3dSBenjamin Tissoires struct device_attribute *attr, 386eec29e3dSBenjamin Tissoires char *buf) 387eec29e3dSBenjamin Tissoires { 388ee79a8f8SGeliang Tang struct hid_device *hdev = to_hid_device(dev); 389eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 390eec29e3dSBenjamin Tissoires 391eec29e3dSBenjamin Tissoires return sprintf(buf, "%u\n", td->mtclass.quirks); 392eec29e3dSBenjamin Tissoires } 393eec29e3dSBenjamin Tissoires 394eec29e3dSBenjamin Tissoires static ssize_t mt_set_quirks(struct device *dev, 395eec29e3dSBenjamin Tissoires struct device_attribute *attr, 396eec29e3dSBenjamin Tissoires const char *buf, size_t count) 397eec29e3dSBenjamin Tissoires { 398ee79a8f8SGeliang Tang struct hid_device *hdev = to_hid_device(dev); 399eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 400f146d1c4SBenjamin Tissoires struct mt_application *application; 401eec29e3dSBenjamin Tissoires 402eec29e3dSBenjamin Tissoires unsigned long val; 403eec29e3dSBenjamin Tissoires 404eec29e3dSBenjamin Tissoires if (kstrtoul(buf, 0, &val)) 405eec29e3dSBenjamin Tissoires return -EINVAL; 406eec29e3dSBenjamin Tissoires 407eec29e3dSBenjamin Tissoires td->mtclass.quirks = val; 408eec29e3dSBenjamin Tissoires 409f146d1c4SBenjamin Tissoires list_for_each_entry(application, &td->applications, list) { 4103ceb3826SBenjamin Tissoires application->quirks = val; 4113ceb3826SBenjamin Tissoires if (!application->have_contact_count) 4123ceb3826SBenjamin Tissoires application->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 413f146d1c4SBenjamin Tissoires } 414f146d1c4SBenjamin Tissoires 415eec29e3dSBenjamin Tissoires return count; 416eec29e3dSBenjamin Tissoires } 417eec29e3dSBenjamin Tissoires 418eec29e3dSBenjamin Tissoires static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); 419eec29e3dSBenjamin Tissoires 420eec29e3dSBenjamin Tissoires static struct attribute *sysfs_attrs[] = { 421eec29e3dSBenjamin Tissoires &dev_attr_quirks.attr, 422eec29e3dSBenjamin Tissoires NULL 423eec29e3dSBenjamin Tissoires }; 424eec29e3dSBenjamin Tissoires 4259182fb98SArvind Yadav static const struct attribute_group mt_attribute_group = { 426eec29e3dSBenjamin Tissoires .attrs = sysfs_attrs 427eec29e3dSBenjamin Tissoires }; 428eec29e3dSBenjamin Tissoires 4296d4f5440SMika Westerberg static void mt_get_feature(struct hid_device *hdev, struct hid_report *report) 4306d4f5440SMika Westerberg { 4313064a03bSAaron Ma int ret; 4323064a03bSAaron Ma u32 size = hid_report_len(report); 4336d4f5440SMika Westerberg u8 *buf; 4346d4f5440SMika Westerberg 4356d4f5440SMika Westerberg /* 436b897f6dbSBenjamin Tissoires * Do not fetch the feature report if the device has been explicitly 437b897f6dbSBenjamin Tissoires * marked as non-capable. 4386d4f5440SMika Westerberg */ 439adaabbf4SBenjamin Tissoires if (hdev->quirks & HID_QUIRK_NO_INIT_REPORTS) 4406d4f5440SMika Westerberg return; 4416d4f5440SMika Westerberg 4426d4f5440SMika Westerberg buf = hid_alloc_report_buf(report, GFP_KERNEL); 4436d4f5440SMika Westerberg if (!buf) 4446d4f5440SMika Westerberg return; 4456d4f5440SMika Westerberg 4466d4f5440SMika Westerberg ret = hid_hw_raw_request(hdev, report->id, buf, size, 4476d4f5440SMika Westerberg HID_FEATURE_REPORT, HID_REQ_GET_REPORT); 4486d4f5440SMika Westerberg if (ret < 0) { 4496d4f5440SMika Westerberg dev_warn(&hdev->dev, "failed to fetch feature %d\n", 4506d4f5440SMika Westerberg report->id); 4516d4f5440SMika Westerberg } else { 4526d4f5440SMika Westerberg ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, buf, 4536d4f5440SMika Westerberg size, 0); 4546d4f5440SMika Westerberg if (ret) 4556d4f5440SMika Westerberg dev_warn(&hdev->dev, "failed to report feature\n"); 4566d4f5440SMika Westerberg } 4576d4f5440SMika Westerberg 4586d4f5440SMika Westerberg kfree(buf); 4596d4f5440SMika Westerberg } 4606d4f5440SMika Westerberg 461f635bd11SHenrik Rydberg static void mt_feature_mapping(struct hid_device *hdev, 4625519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage) 4635519cab4SBenjamin Tissoires { 4645519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 4659498f954SBenjamin Tissoires 4669498f954SBenjamin Tissoires switch (usage->hid) { 4679498f954SBenjamin Tissoires case HID_DG_CONTACTMAX: 4686d4f5440SMika Westerberg mt_get_feature(hdev, field->report); 4696d4f5440SMika Westerberg 4709498f954SBenjamin Tissoires td->maxcontacts = field->value[0]; 471afbcb04cSBenjamin Tissoires if (!td->maxcontacts && 472afbcb04cSBenjamin Tissoires field->logical_maximum <= MT_MAX_MAXCONTACT) 473afbcb04cSBenjamin Tissoires td->maxcontacts = field->logical_maximum; 474eec29e3dSBenjamin Tissoires if (td->mtclass.maxcontacts) 4759498f954SBenjamin Tissoires /* check if the maxcontacts is given by the class */ 476eec29e3dSBenjamin Tissoires td->maxcontacts = td->mtclass.maxcontacts; 4779498f954SBenjamin Tissoires 4789498f954SBenjamin Tissoires break; 4792c6e0277SSeth Forshee case HID_DG_BUTTONTYPE: 4802c6e0277SSeth Forshee if (usage->usage_index >= field->report_count) { 4812c6e0277SSeth Forshee dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n"); 4822c6e0277SSeth Forshee break; 4832c6e0277SSeth Forshee } 4842c6e0277SSeth Forshee 4856d4f5440SMika Westerberg mt_get_feature(hdev, field->report); 4862c6e0277SSeth Forshee if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD) 4872c6e0277SSeth Forshee td->is_buttonpad = true; 4882c6e0277SSeth Forshee 4892c6e0277SSeth Forshee break; 49045c5c682SBenjamin Tissoires case 0xff0000c5: 49145c5c682SBenjamin Tissoires /* Retrieve the Win8 blob once to enable some devices */ 49245c5c682SBenjamin Tissoires if (usage->usage_index == 0) 49345c5c682SBenjamin Tissoires mt_get_feature(hdev, field->report); 49445c5c682SBenjamin Tissoires break; 4955519cab4SBenjamin Tissoires } 4965519cab4SBenjamin Tissoires } 4975519cab4SBenjamin Tissoires 4985519cab4SBenjamin Tissoires static void set_abs(struct input_dev *input, unsigned int code, 4995519cab4SBenjamin Tissoires struct hid_field *field, int snratio) 5005519cab4SBenjamin Tissoires { 5015519cab4SBenjamin Tissoires int fmin = field->logical_minimum; 5025519cab4SBenjamin Tissoires int fmax = field->logical_maximum; 5035519cab4SBenjamin Tissoires int fuzz = snratio ? (fmax - fmin) / snratio : 0; 5045519cab4SBenjamin Tissoires input_set_abs_params(input, code, fmin, fmax, fuzz, 0); 50537cf6e6fSBenjamin Tissoires input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); 5065519cab4SBenjamin Tissoires } 5075519cab4SBenjamin Tissoires 50801eaac7eSBenjamin Tissoires static struct mt_usages *mt_allocate_usage(struct hid_device *hdev, 50901eaac7eSBenjamin Tissoires struct mt_application *application) 51001eaac7eSBenjamin Tissoires { 51101eaac7eSBenjamin Tissoires struct mt_usages *usage; 51201eaac7eSBenjamin Tissoires 51301eaac7eSBenjamin Tissoires usage = devm_kzalloc(&hdev->dev, sizeof(*usage), GFP_KERNEL); 51401eaac7eSBenjamin Tissoires if (!usage) 51501eaac7eSBenjamin Tissoires return NULL; 51601eaac7eSBenjamin Tissoires 51701eaac7eSBenjamin Tissoires /* set some defaults so we do not need to check for null pointers */ 51801eaac7eSBenjamin Tissoires usage->x = DEFAULT_ZERO; 51901eaac7eSBenjamin Tissoires usage->y = DEFAULT_ZERO; 52001eaac7eSBenjamin Tissoires usage->cx = DEFAULT_ZERO; 52101eaac7eSBenjamin Tissoires usage->cy = DEFAULT_ZERO; 52201eaac7eSBenjamin Tissoires usage->p = DEFAULT_ZERO; 52301eaac7eSBenjamin Tissoires usage->w = DEFAULT_ZERO; 52401eaac7eSBenjamin Tissoires usage->h = DEFAULT_ZERO; 52501eaac7eSBenjamin Tissoires usage->a = DEFAULT_ZERO; 52601eaac7eSBenjamin Tissoires usage->contactid = DEFAULT_ZERO; 52701eaac7eSBenjamin Tissoires usage->tip_state = DEFAULT_FALSE; 52801eaac7eSBenjamin Tissoires usage->inrange_state = DEFAULT_FALSE; 52901eaac7eSBenjamin Tissoires usage->confidence_state = DEFAULT_TRUE; 53001eaac7eSBenjamin Tissoires 53101eaac7eSBenjamin Tissoires list_add_tail(&usage->list, &application->mt_usages); 53201eaac7eSBenjamin Tissoires 53301eaac7eSBenjamin Tissoires return usage; 53401eaac7eSBenjamin Tissoires } 53501eaac7eSBenjamin Tissoires 536f146d1c4SBenjamin Tissoires static struct mt_application *mt_allocate_application(struct mt_device *td, 53769ecd44dSBenjamin Tissoires struct hid_report *report) 538f146d1c4SBenjamin Tissoires { 53969ecd44dSBenjamin Tissoires unsigned int application = report->application; 540f146d1c4SBenjamin Tissoires struct mt_application *mt_application; 541f146d1c4SBenjamin Tissoires 542f146d1c4SBenjamin Tissoires mt_application = devm_kzalloc(&td->hdev->dev, sizeof(*mt_application), 543f146d1c4SBenjamin Tissoires GFP_KERNEL); 544f146d1c4SBenjamin Tissoires if (!mt_application) 545f146d1c4SBenjamin Tissoires return NULL; 546f146d1c4SBenjamin Tissoires 547f146d1c4SBenjamin Tissoires mt_application->application = application; 54801eaac7eSBenjamin Tissoires INIT_LIST_HEAD(&mt_application->mt_usages); 549f146d1c4SBenjamin Tissoires 550f146d1c4SBenjamin Tissoires if (application == HID_DG_TOUCHSCREEN) 551f146d1c4SBenjamin Tissoires mt_application->mt_flags |= INPUT_MT_DIRECT; 552f146d1c4SBenjamin Tissoires 553f146d1c4SBenjamin Tissoires /* 554f146d1c4SBenjamin Tissoires * Model touchscreens providing buttons as touchpads. 555f146d1c4SBenjamin Tissoires */ 556f146d1c4SBenjamin Tissoires if (application == HID_DG_TOUCHPAD) { 557f146d1c4SBenjamin Tissoires mt_application->mt_flags |= INPUT_MT_POINTER; 558f146d1c4SBenjamin Tissoires td->inputmode_value = MT_INPUTMODE_TOUCHPAD; 559f146d1c4SBenjamin Tissoires } 560f146d1c4SBenjamin Tissoires 56101eaac7eSBenjamin Tissoires mt_application->scantime = DEFAULT_ZERO; 56201eaac7eSBenjamin Tissoires mt_application->raw_cc = DEFAULT_ZERO; 5633ceb3826SBenjamin Tissoires mt_application->quirks = td->mtclass.quirks; 56469ecd44dSBenjamin Tissoires mt_application->report_id = report->id; 565f146d1c4SBenjamin Tissoires 566f146d1c4SBenjamin Tissoires list_add_tail(&mt_application->list, &td->applications); 567f146d1c4SBenjamin Tissoires 568f146d1c4SBenjamin Tissoires return mt_application; 569f146d1c4SBenjamin Tissoires } 570f146d1c4SBenjamin Tissoires 571f146d1c4SBenjamin Tissoires static struct mt_application *mt_find_application(struct mt_device *td, 57269ecd44dSBenjamin Tissoires struct hid_report *report) 573f146d1c4SBenjamin Tissoires { 57469ecd44dSBenjamin Tissoires unsigned int application = report->application; 575f146d1c4SBenjamin Tissoires struct mt_application *tmp, *mt_application = NULL; 576f146d1c4SBenjamin Tissoires 577f146d1c4SBenjamin Tissoires list_for_each_entry(tmp, &td->applications, list) { 578f146d1c4SBenjamin Tissoires if (application == tmp->application) { 57969ecd44dSBenjamin Tissoires if (!(td->mtclass.quirks & MT_QUIRK_SEPARATE_APP_REPORT) || 58069ecd44dSBenjamin Tissoires tmp->report_id == report->id) { 581f146d1c4SBenjamin Tissoires mt_application = tmp; 582f146d1c4SBenjamin Tissoires break; 583f146d1c4SBenjamin Tissoires } 584f146d1c4SBenjamin Tissoires } 58569ecd44dSBenjamin Tissoires } 586f146d1c4SBenjamin Tissoires 587f146d1c4SBenjamin Tissoires if (!mt_application) 58869ecd44dSBenjamin Tissoires mt_application = mt_allocate_application(td, report); 589f146d1c4SBenjamin Tissoires 590f146d1c4SBenjamin Tissoires return mt_application; 591f146d1c4SBenjamin Tissoires } 592f146d1c4SBenjamin Tissoires 5938dfe14b3SBenjamin Tissoires static struct mt_report_data *mt_allocate_report_data(struct mt_device *td, 5948dfe14b3SBenjamin Tissoires struct hid_report *report) 5958dfe14b3SBenjamin Tissoires { 5968dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 5978dfe14b3SBenjamin Tissoires struct hid_field *field; 5988dfe14b3SBenjamin Tissoires int r, n; 5998dfe14b3SBenjamin Tissoires 6008dfe14b3SBenjamin Tissoires rdata = devm_kzalloc(&td->hdev->dev, sizeof(*rdata), GFP_KERNEL); 6018dfe14b3SBenjamin Tissoires if (!rdata) 6028dfe14b3SBenjamin Tissoires return NULL; 6038dfe14b3SBenjamin Tissoires 6048dfe14b3SBenjamin Tissoires rdata->report = report; 60569ecd44dSBenjamin Tissoires rdata->application = mt_find_application(td, report); 6068dfe14b3SBenjamin Tissoires 6078dfe14b3SBenjamin Tissoires if (!rdata->application) { 6088dfe14b3SBenjamin Tissoires devm_kfree(&td->hdev->dev, rdata); 6098dfe14b3SBenjamin Tissoires return NULL; 6108dfe14b3SBenjamin Tissoires } 6118dfe14b3SBenjamin Tissoires 6128dfe14b3SBenjamin Tissoires for (r = 0; r < report->maxfield; r++) { 6138dfe14b3SBenjamin Tissoires field = report->field[r]; 6148dfe14b3SBenjamin Tissoires 6158dfe14b3SBenjamin Tissoires if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) 6168dfe14b3SBenjamin Tissoires continue; 6178dfe14b3SBenjamin Tissoires 618a2353e3bSAhelenia Ziemiańska if (field->logical == HID_DG_FINGER || td->hdev->group != HID_GROUP_MULTITOUCH_WIN_8) { 6198dfe14b3SBenjamin Tissoires for (n = 0; n < field->report_count; n++) { 620a2353e3bSAhelenia Ziemiańska if (field->usage[n].hid == HID_DG_CONTACTID) { 6218dfe14b3SBenjamin Tissoires rdata->is_mt_collection = true; 622a2353e3bSAhelenia Ziemiańska break; 623a2353e3bSAhelenia Ziemiańska } 624a2353e3bSAhelenia Ziemiańska } 6258dfe14b3SBenjamin Tissoires } 6268dfe14b3SBenjamin Tissoires } 6278dfe14b3SBenjamin Tissoires 6288dfe14b3SBenjamin Tissoires list_add_tail(&rdata->list, &td->reports); 6298dfe14b3SBenjamin Tissoires 6308dfe14b3SBenjamin Tissoires return rdata; 6318dfe14b3SBenjamin Tissoires } 6328dfe14b3SBenjamin Tissoires 6338dfe14b3SBenjamin Tissoires static struct mt_report_data *mt_find_report_data(struct mt_device *td, 6348dfe14b3SBenjamin Tissoires struct hid_report *report) 6358dfe14b3SBenjamin Tissoires { 6368dfe14b3SBenjamin Tissoires struct mt_report_data *tmp, *rdata = NULL; 6378dfe14b3SBenjamin Tissoires 6388dfe14b3SBenjamin Tissoires list_for_each_entry(tmp, &td->reports, list) { 6398dfe14b3SBenjamin Tissoires if (report == tmp->report) { 6408dfe14b3SBenjamin Tissoires rdata = tmp; 6418dfe14b3SBenjamin Tissoires break; 6428dfe14b3SBenjamin Tissoires } 6438dfe14b3SBenjamin Tissoires } 6448dfe14b3SBenjamin Tissoires 6458dfe14b3SBenjamin Tissoires if (!rdata) 6468dfe14b3SBenjamin Tissoires rdata = mt_allocate_report_data(td, report); 6478dfe14b3SBenjamin Tissoires 6488dfe14b3SBenjamin Tissoires return rdata; 6498dfe14b3SBenjamin Tissoires } 6508dfe14b3SBenjamin Tissoires 65101eaac7eSBenjamin Tissoires static void mt_store_field(struct hid_device *hdev, 65201eaac7eSBenjamin Tissoires struct mt_application *application, 65301eaac7eSBenjamin Tissoires __s32 *value, 65401eaac7eSBenjamin Tissoires size_t offset) 655ed9d5c96SBenjamin Tissoires { 65601eaac7eSBenjamin Tissoires struct mt_usages *usage; 65701eaac7eSBenjamin Tissoires __s32 **target; 6583ac36d15SBenjamin Tissoires 65901eaac7eSBenjamin Tissoires if (list_empty(&application->mt_usages)) 66001eaac7eSBenjamin Tissoires usage = mt_allocate_usage(hdev, application); 66101eaac7eSBenjamin Tissoires else 66201eaac7eSBenjamin Tissoires usage = list_last_entry(&application->mt_usages, 66301eaac7eSBenjamin Tissoires struct mt_usages, 66401eaac7eSBenjamin Tissoires list); 66501eaac7eSBenjamin Tissoires 66601eaac7eSBenjamin Tissoires if (!usage) 6673ac36d15SBenjamin Tissoires return; 6683ac36d15SBenjamin Tissoires 66901eaac7eSBenjamin Tissoires target = (__s32 **)((char *)usage + offset); 67001eaac7eSBenjamin Tissoires 67101eaac7eSBenjamin Tissoires /* the value has already been filled, create a new slot */ 67201eaac7eSBenjamin Tissoires if (*target != DEFAULT_TRUE && 67301eaac7eSBenjamin Tissoires *target != DEFAULT_FALSE && 67401eaac7eSBenjamin Tissoires *target != DEFAULT_ZERO) { 67581bcbad5SBenjamin Tissoires if (usage->contactid == DEFAULT_ZERO || 67681bcbad5SBenjamin Tissoires usage->x == DEFAULT_ZERO || 67781bcbad5SBenjamin Tissoires usage->y == DEFAULT_ZERO) { 67881bcbad5SBenjamin Tissoires hid_dbg(hdev, 67981bcbad5SBenjamin Tissoires "ignoring duplicate usage on incomplete"); 68081bcbad5SBenjamin Tissoires return; 68181bcbad5SBenjamin Tissoires } 68201eaac7eSBenjamin Tissoires usage = mt_allocate_usage(hdev, application); 68301eaac7eSBenjamin Tissoires if (!usage) 68401eaac7eSBenjamin Tissoires return; 68501eaac7eSBenjamin Tissoires 68601eaac7eSBenjamin Tissoires target = (__s32 **)((char *)usage + offset); 687ed9d5c96SBenjamin Tissoires } 688ed9d5c96SBenjamin Tissoires 68901eaac7eSBenjamin Tissoires *target = value; 69001eaac7eSBenjamin Tissoires } 69101eaac7eSBenjamin Tissoires 69201eaac7eSBenjamin Tissoires #define MT_STORE_FIELD(__name) \ 69301eaac7eSBenjamin Tissoires mt_store_field(hdev, app, \ 69401eaac7eSBenjamin Tissoires &field->value[usage->usage_index], \ 69501eaac7eSBenjamin Tissoires offsetof(struct mt_usages, __name)) 69601eaac7eSBenjamin Tissoires 697a69c5f8bSBenjamin Tissoires static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, 6985519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 699f146d1c4SBenjamin Tissoires unsigned long **bit, int *max, struct mt_application *app) 7005519cab4SBenjamin Tissoires { 7015519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 702eec29e3dSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 703c2ef8f21SBenjamin Tissoires int code; 704349fd670SBenjamin Tissoires struct hid_usage *prev_usage = NULL; 7054875ac11SRichard Nauber 70676f5902aSHenrik Rydberg /* 70776f5902aSHenrik Rydberg * Model touchscreens providing buttons as touchpads. 708c2ef8f21SBenjamin Tissoires */ 709ba6b055eSBenjamin Tissoires if (field->application == HID_DG_TOUCHSCREEN && 710ba6b055eSBenjamin Tissoires (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { 711f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_POINTER; 7129abebedbSAndrew Duggan td->inputmode_value = MT_INPUTMODE_TOUCHPAD; 7139abebedbSAndrew Duggan } 714c2ef8f21SBenjamin Tissoires 715015fdaa9SBenjamin Tissoires /* count the buttons on touchpads */ 716015fdaa9SBenjamin Tissoires if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) 717f146d1c4SBenjamin Tissoires app->buttons_count++; 718015fdaa9SBenjamin Tissoires 719349fd670SBenjamin Tissoires if (usage->usage_index) 720349fd670SBenjamin Tissoires prev_usage = &field->usage[usage->usage_index - 1]; 721349fd670SBenjamin Tissoires 7225519cab4SBenjamin Tissoires switch (usage->hid & HID_USAGE_PAGE) { 7235519cab4SBenjamin Tissoires 7245519cab4SBenjamin Tissoires case HID_UP_GENDESK: 7255519cab4SBenjamin Tissoires switch (usage->hid) { 7265519cab4SBenjamin Tissoires case HID_GD_X: 72701eaac7eSBenjamin Tissoires if (prev_usage && (prev_usage->hid == usage->hid)) { 728f146d1c4SBenjamin Tissoires code = ABS_MT_TOOL_X; 72901eaac7eSBenjamin Tissoires MT_STORE_FIELD(cx); 73001eaac7eSBenjamin Tissoires } else { 731f146d1c4SBenjamin Tissoires code = ABS_MT_POSITION_X; 73201eaac7eSBenjamin Tissoires MT_STORE_FIELD(x); 73301eaac7eSBenjamin Tissoires } 734349fd670SBenjamin Tissoires 735f146d1c4SBenjamin Tissoires set_abs(hi->input, code, field, cls->sn_move); 73601eaac7eSBenjamin Tissoires 737ba6b055eSBenjamin Tissoires /* 738ba6b055eSBenjamin Tissoires * A system multi-axis that exports X and Y has a high 739ba6b055eSBenjamin Tissoires * chance of being used directly on a surface 740ba6b055eSBenjamin Tissoires */ 741ba6b055eSBenjamin Tissoires if (field->application == HID_GD_SYSTEM_MULTIAXIS) { 742ba6b055eSBenjamin Tissoires __set_bit(INPUT_PROP_DIRECT, 743ba6b055eSBenjamin Tissoires hi->input->propbit); 744ba6b055eSBenjamin Tissoires input_set_abs_params(hi->input, 745ba6b055eSBenjamin Tissoires ABS_MT_TOOL_TYPE, 746ba6b055eSBenjamin Tissoires MT_TOOL_DIAL, 747ba6b055eSBenjamin Tissoires MT_TOOL_DIAL, 0, 0); 748ba6b055eSBenjamin Tissoires } 749ba6b055eSBenjamin Tissoires 7505519cab4SBenjamin Tissoires return 1; 7515519cab4SBenjamin Tissoires case HID_GD_Y: 75201eaac7eSBenjamin Tissoires if (prev_usage && (prev_usage->hid == usage->hid)) { 753f146d1c4SBenjamin Tissoires code = ABS_MT_TOOL_Y; 75401eaac7eSBenjamin Tissoires MT_STORE_FIELD(cy); 75501eaac7eSBenjamin Tissoires } else { 756f146d1c4SBenjamin Tissoires code = ABS_MT_POSITION_Y; 75701eaac7eSBenjamin Tissoires MT_STORE_FIELD(y); 75801eaac7eSBenjamin Tissoires } 759349fd670SBenjamin Tissoires 760f146d1c4SBenjamin Tissoires set_abs(hi->input, code, field, cls->sn_move); 76101eaac7eSBenjamin Tissoires 7625519cab4SBenjamin Tissoires return 1; 7635519cab4SBenjamin Tissoires } 7645519cab4SBenjamin Tissoires return 0; 7655519cab4SBenjamin Tissoires 7665519cab4SBenjamin Tissoires case HID_UP_DIGITIZER: 7675519cab4SBenjamin Tissoires switch (usage->hid) { 7685519cab4SBenjamin Tissoires case HID_DG_INRANGE: 7693ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_HOVERING) { 7709b3bb9b8SBenjamin Tissoires input_set_abs_params(hi->input, 7719b3bb9b8SBenjamin Tissoires ABS_MT_DISTANCE, 0, 1, 0, 0); 7729b3bb9b8SBenjamin Tissoires } 77301eaac7eSBenjamin Tissoires MT_STORE_FIELD(inrange_state); 7745519cab4SBenjamin Tissoires return 1; 7755519cab4SBenjamin Tissoires case HID_DG_CONFIDENCE: 776794c6133SKai-Heng Feng if ((cls->name == MT_CLS_WIN_8 || 77731a4cf1dSHans de Goede cls->name == MT_CLS_WIN_8_FORCE_MULTI_INPUT || 77831a4cf1dSHans de Goede cls->name == MT_CLS_WIN_8_DISABLE_WAKEUP) && 779f9024374SDmitry Torokhov (field->application == HID_DG_TOUCHPAD || 780f9024374SDmitry Torokhov field->application == HID_DG_TOUCHSCREEN)) 7813ceb3826SBenjamin Tissoires app->quirks |= MT_QUIRK_CONFIDENCE; 7829152c7d7SDmitry Torokhov 7839152c7d7SDmitry Torokhov if (app->quirks & MT_QUIRK_CONFIDENCE) 7849152c7d7SDmitry Torokhov input_set_abs_params(hi->input, 7859152c7d7SDmitry Torokhov ABS_MT_TOOL_TYPE, 7869152c7d7SDmitry Torokhov MT_TOOL_FINGER, 7879152c7d7SDmitry Torokhov MT_TOOL_PALM, 0, 0); 7889152c7d7SDmitry Torokhov 78901eaac7eSBenjamin Tissoires MT_STORE_FIELD(confidence_state); 7905519cab4SBenjamin Tissoires return 1; 7915519cab4SBenjamin Tissoires case HID_DG_TIPSWITCH: 792ba6b055eSBenjamin Tissoires if (field->application != HID_GD_SYSTEM_MULTIAXIS) 793ba6b055eSBenjamin Tissoires input_set_capability(hi->input, 794ba6b055eSBenjamin Tissoires EV_KEY, BTN_TOUCH); 79501eaac7eSBenjamin Tissoires MT_STORE_FIELD(tip_state); 7965519cab4SBenjamin Tissoires return 1; 7975519cab4SBenjamin Tissoires case HID_DG_CONTACTID: 79801eaac7eSBenjamin Tissoires MT_STORE_FIELD(contactid); 799f146d1c4SBenjamin Tissoires app->touches_by_report++; 8005519cab4SBenjamin Tissoires return 1; 8015519cab4SBenjamin Tissoires case HID_DG_WIDTH: 8023ceb3826SBenjamin Tissoires if (!(app->quirks & MT_QUIRK_NO_AREA)) 803f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, 804f786bba4SBenjamin Tissoires cls->sn_width); 80501eaac7eSBenjamin Tissoires MT_STORE_FIELD(w); 8065519cab4SBenjamin Tissoires return 1; 8075519cab4SBenjamin Tissoires case HID_DG_HEIGHT: 8083ceb3826SBenjamin Tissoires if (!(app->quirks & MT_QUIRK_NO_AREA)) { 809f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, 810f786bba4SBenjamin Tissoires cls->sn_height); 81100720277SWei-Ning Huang 81200720277SWei-Ning Huang /* 81300720277SWei-Ning Huang * Only set ABS_MT_ORIENTATION if it is not 81400720277SWei-Ning Huang * already set by the HID_DG_AZIMUTH usage. 81500720277SWei-Ning Huang */ 81600720277SWei-Ning Huang if (!test_bit(ABS_MT_ORIENTATION, 81700720277SWei-Ning Huang hi->input->absbit)) 8181e648a13SBenjamin Tissoires input_set_abs_params(hi->input, 8191e648a13SBenjamin Tissoires ABS_MT_ORIENTATION, 0, 1, 0, 0); 82077723e3bSHenrik Rydberg } 82101eaac7eSBenjamin Tissoires MT_STORE_FIELD(h); 8225519cab4SBenjamin Tissoires return 1; 8235519cab4SBenjamin Tissoires case HID_DG_TIPPRESSURE: 8245519cab4SBenjamin Tissoires set_abs(hi->input, ABS_MT_PRESSURE, field, 8255519cab4SBenjamin Tissoires cls->sn_pressure); 82601eaac7eSBenjamin Tissoires MT_STORE_FIELD(p); 8275519cab4SBenjamin Tissoires return 1; 82829cc309dSNicolas Boichat case HID_DG_SCANTIME: 82929cc309dSNicolas Boichat input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP); 83001eaac7eSBenjamin Tissoires app->scantime = &field->value[usage->usage_index]; 83101eaac7eSBenjamin Tissoires app->scantime_logical_max = field->logical_maximum; 83229cc309dSNicolas Boichat return 1; 8335519cab4SBenjamin Tissoires case HID_DG_CONTACTCOUNT: 83401eaac7eSBenjamin Tissoires app->have_contact_count = true; 83501eaac7eSBenjamin Tissoires app->raw_cc = &field->value[usage->usage_index]; 8365519cab4SBenjamin Tissoires return 1; 83700720277SWei-Ning Huang case HID_DG_AZIMUTH: 83800720277SWei-Ning Huang /* 83900720277SWei-Ning Huang * Azimuth has the range of [0, MAX) representing a full 84000720277SWei-Ning Huang * revolution. Set ABS_MT_ORIENTATION to a quarter of 84100720277SWei-Ning Huang * MAX according the definition of ABS_MT_ORIENTATION 84200720277SWei-Ning Huang */ 84300720277SWei-Ning Huang input_set_abs_params(hi->input, ABS_MT_ORIENTATION, 84400720277SWei-Ning Huang -field->logical_maximum / 4, 84500720277SWei-Ning Huang field->logical_maximum / 4, 84600720277SWei-Ning Huang cls->sn_move ? 84700720277SWei-Ning Huang field->logical_maximum / cls->sn_move : 0, 0); 84801eaac7eSBenjamin Tissoires MT_STORE_FIELD(a); 84900720277SWei-Ning Huang return 1; 8505519cab4SBenjamin Tissoires case HID_DG_CONTACTMAX: 85101eaac7eSBenjamin Tissoires /* contact max are global to the report */ 8525519cab4SBenjamin Tissoires return -1; 853c2ef8f21SBenjamin Tissoires case HID_DG_TOUCH: 854c2ef8f21SBenjamin Tissoires /* Legacy devices use TIPSWITCH and not TOUCH. 855c2ef8f21SBenjamin Tissoires * Let's just ignore this field. */ 856c2ef8f21SBenjamin Tissoires return -1; 85765b258e9SAlan Cox } 8585519cab4SBenjamin Tissoires /* let hid-input decide for the others */ 8595519cab4SBenjamin Tissoires return 0; 8605519cab4SBenjamin Tissoires 861c2ef8f21SBenjamin Tissoires case HID_UP_BUTTON: 862c2ef8f21SBenjamin Tissoires code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); 863594312b8SBenjamin Tissoires /* 864594312b8SBenjamin Tissoires * MS PTP spec says that external buttons left and right have 865594312b8SBenjamin Tissoires * usages 2 and 3. 866594312b8SBenjamin Tissoires */ 8673ceb3826SBenjamin Tissoires if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && 868594312b8SBenjamin Tissoires field->application == HID_DG_TOUCHPAD && 869594312b8SBenjamin Tissoires (usage->hid & HID_USAGE) > 1) 870594312b8SBenjamin Tissoires code--; 871ba6b055eSBenjamin Tissoires 872ba6b055eSBenjamin Tissoires if (field->application == HID_GD_SYSTEM_MULTIAXIS) 873ba6b055eSBenjamin Tissoires code = BTN_0 + ((usage->hid - 1) & HID_USAGE); 874ba6b055eSBenjamin Tissoires 875c2ef8f21SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, EV_KEY, code); 87635556bedSMarc Zyngier if (!*bit) 87735556bedSMarc Zyngier return -1; 878c2ef8f21SBenjamin Tissoires input_set_capability(hi->input, EV_KEY, code); 879c2ef8f21SBenjamin Tissoires return 1; 880c2ef8f21SBenjamin Tissoires 8815519cab4SBenjamin Tissoires case 0xff000000: 8825519cab4SBenjamin Tissoires /* we do not want to map these: no input-oriented meaning */ 8835519cab4SBenjamin Tissoires return -1; 8845519cab4SBenjamin Tissoires } 8855519cab4SBenjamin Tissoires 8865519cab4SBenjamin Tissoires return 0; 8875519cab4SBenjamin Tissoires } 8885519cab4SBenjamin Tissoires 889f146d1c4SBenjamin Tissoires static int mt_compute_slot(struct mt_device *td, struct mt_application *app, 89001eaac7eSBenjamin Tissoires struct mt_usages *slot, 891f146d1c4SBenjamin Tissoires struct input_dev *input) 8925519cab4SBenjamin Tissoires { 8933ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 8945519cab4SBenjamin Tissoires 8952d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) 89601eaac7eSBenjamin Tissoires return *slot->contactid; 8975519cab4SBenjamin Tissoires 8982d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_CYPRESS) 89901eaac7eSBenjamin Tissoires return cypress_compute_slot(app, slot); 900a3b5e577SBenjamin Tissoires 9012d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) 902f146d1c4SBenjamin Tissoires return app->num_received; 9035572da08SBenjamin Tissoires 9044a6ee685SBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) 90501eaac7eSBenjamin Tissoires return *slot->contactid - 1; 9064a6ee685SBenjamin Tissoires 90701eaac7eSBenjamin Tissoires return input_mt_get_slot_by_key(input, *slot->contactid); 9083e1b5015SHenrik Rydberg } 9093e1b5015SHenrik Rydberg 91028a042a3SDmitry Torokhov static void mt_release_pending_palms(struct mt_device *td, 91128a042a3SDmitry Torokhov struct mt_application *app, 91228a042a3SDmitry Torokhov struct input_dev *input) 91328a042a3SDmitry Torokhov { 91428a042a3SDmitry Torokhov int slotnum; 91528a042a3SDmitry Torokhov bool need_sync = false; 91628a042a3SDmitry Torokhov 91728a042a3SDmitry Torokhov for_each_set_bit(slotnum, app->pending_palm_slots, td->maxcontacts) { 91828a042a3SDmitry Torokhov clear_bit(slotnum, app->pending_palm_slots); 91928a042a3SDmitry Torokhov 92028a042a3SDmitry Torokhov input_mt_slot(input, slotnum); 9215fc70e35SJiada Wang input_mt_report_slot_inactive(input); 92228a042a3SDmitry Torokhov 92328a042a3SDmitry Torokhov need_sync = true; 92428a042a3SDmitry Torokhov } 92528a042a3SDmitry Torokhov 92628a042a3SDmitry Torokhov if (need_sync) { 92728a042a3SDmitry Torokhov input_mt_sync_frame(input); 92828a042a3SDmitry Torokhov input_sync(input); 92928a042a3SDmitry Torokhov } 93028a042a3SDmitry Torokhov } 93128a042a3SDmitry Torokhov 9323e1b5015SHenrik Rydberg /* 9333e1b5015SHenrik Rydberg * this function is called when a whole packet has been received and processed, 9343e1b5015SHenrik Rydberg * so that it can decide what to send to the input layer. 9353e1b5015SHenrik Rydberg */ 936f146d1c4SBenjamin Tissoires static void mt_sync_frame(struct mt_device *td, struct mt_application *app, 937f146d1c4SBenjamin Tissoires struct input_dev *input) 9383e1b5015SHenrik Rydberg { 9393ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) 940f146d1c4SBenjamin Tissoires input_event(input, EV_KEY, BTN_LEFT, app->left_button_state); 941127e71bdSHans de Goede 94276f5902aSHenrik Rydberg input_mt_sync_frame(input); 943f146d1c4SBenjamin Tissoires input_event(input, EV_MSC, MSC_TIMESTAMP, app->timestamp); 9445519cab4SBenjamin Tissoires input_sync(input); 94528a042a3SDmitry Torokhov 94628a042a3SDmitry Torokhov mt_release_pending_palms(td, app, input); 94728a042a3SDmitry Torokhov 948f146d1c4SBenjamin Tissoires app->num_received = 0; 949f146d1c4SBenjamin Tissoires app->left_button_state = 0; 950f146d1c4SBenjamin Tissoires 95196098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) 95296098274SBenjamin Tissoires set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); 95396098274SBenjamin Tissoires else 95496098274SBenjamin Tissoires clear_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); 95596098274SBenjamin Tissoires clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); 9565519cab4SBenjamin Tissoires } 9575519cab4SBenjamin Tissoires 95801eaac7eSBenjamin Tissoires static int mt_compute_timestamp(struct mt_application *app, __s32 value) 95929cc309dSNicolas Boichat { 960f146d1c4SBenjamin Tissoires long delta = value - app->prev_scantime; 961f146d1c4SBenjamin Tissoires unsigned long jdelta = jiffies_to_usecs(jiffies - app->jiffies); 96229cc309dSNicolas Boichat 963f146d1c4SBenjamin Tissoires app->jiffies = jiffies; 96429cc309dSNicolas Boichat 96529cc309dSNicolas Boichat if (delta < 0) 96601eaac7eSBenjamin Tissoires delta += app->scantime_logical_max; 96729cc309dSNicolas Boichat 96829cc309dSNicolas Boichat /* HID_DG_SCANTIME is expressed in 100us, we want it in us. */ 96929cc309dSNicolas Boichat delta *= 100; 97029cc309dSNicolas Boichat 97129cc309dSNicolas Boichat if (jdelta > MAX_TIMESTAMP_INTERVAL) 97229cc309dSNicolas Boichat /* No data received for a while, resync the timestamp. */ 97329cc309dSNicolas Boichat return 0; 97429cc309dSNicolas Boichat else 975f146d1c4SBenjamin Tissoires return app->timestamp + delta; 97629cc309dSNicolas Boichat } 97729cc309dSNicolas Boichat 978a69c5f8bSBenjamin Tissoires static int mt_touch_event(struct hid_device *hid, struct hid_field *field, 9795519cab4SBenjamin Tissoires struct hid_usage *usage, __s32 value) 9805519cab4SBenjamin Tissoires { 98155978fa9SBenjamin Tissoires /* we will handle the hidinput part later, now remains hiddev */ 98255978fa9SBenjamin Tissoires if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) 98355978fa9SBenjamin Tissoires hid->hiddev_hid_event(hid, field, usage, value); 98455978fa9SBenjamin Tissoires 98555978fa9SBenjamin Tissoires return 1; 98655978fa9SBenjamin Tissoires } 98755978fa9SBenjamin Tissoires 98801eaac7eSBenjamin Tissoires static int mt_process_slot(struct mt_device *td, struct input_dev *input, 98901eaac7eSBenjamin Tissoires struct mt_application *app, 99001eaac7eSBenjamin Tissoires struct mt_usages *slot) 99155978fa9SBenjamin Tissoires { 99201eaac7eSBenjamin Tissoires struct input_mt *mt = input->mt; 9933ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 99401eaac7eSBenjamin Tissoires bool valid = true; 99501eaac7eSBenjamin Tissoires bool confidence_state = true; 99601eaac7eSBenjamin Tissoires bool inrange_state = false; 99701eaac7eSBenjamin Tissoires int active; 99801eaac7eSBenjamin Tissoires int slotnum; 999ba6b055eSBenjamin Tissoires int tool = MT_TOOL_FINGER; 10005519cab4SBenjamin Tissoires 100101eaac7eSBenjamin Tissoires if (!slot) 100201eaac7eSBenjamin Tissoires return -EINVAL; 100301eaac7eSBenjamin Tissoires 100401eaac7eSBenjamin Tissoires if ((quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && 100501eaac7eSBenjamin Tissoires app->num_received >= app->num_expected) 100601eaac7eSBenjamin Tissoires return -EAGAIN; 100701eaac7eSBenjamin Tissoires 100801eaac7eSBenjamin Tissoires if (!(quirks & MT_QUIRK_ALWAYS_VALID)) { 100920b60e6dSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_INRANGE) 101001eaac7eSBenjamin Tissoires valid = *slot->inrange_state; 10112d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 101201eaac7eSBenjamin Tissoires valid = *slot->tip_state; 10132d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) 101401eaac7eSBenjamin Tissoires valid = *slot->confidence_state; 101501eaac7eSBenjamin Tissoires 101601eaac7eSBenjamin Tissoires if (!valid) 101701eaac7eSBenjamin Tissoires return 0; 101801eaac7eSBenjamin Tissoires } 101901eaac7eSBenjamin Tissoires 102001eaac7eSBenjamin Tissoires slotnum = mt_compute_slot(td, app, slot, input); 102101eaac7eSBenjamin Tissoires if (slotnum < 0 || slotnum >= td->maxcontacts) 102201eaac7eSBenjamin Tissoires return 0; 102301eaac7eSBenjamin Tissoires 102401eaac7eSBenjamin Tissoires if ((quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { 102501eaac7eSBenjamin Tissoires struct input_mt_slot *i_slot = &mt->slots[slotnum]; 102601eaac7eSBenjamin Tissoires 102701eaac7eSBenjamin Tissoires if (input_mt_is_active(i_slot) && 102801eaac7eSBenjamin Tissoires input_mt_is_used(mt, i_slot)) 102901eaac7eSBenjamin Tissoires return -EAGAIN; 103001eaac7eSBenjamin Tissoires } 103101eaac7eSBenjamin Tissoires 103201eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_CONFIDENCE) 103301eaac7eSBenjamin Tissoires confidence_state = *slot->confidence_state; 103401eaac7eSBenjamin Tissoires 103501eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_HOVERING) 103601eaac7eSBenjamin Tissoires inrange_state = *slot->inrange_state; 103701eaac7eSBenjamin Tissoires 10389152c7d7SDmitry Torokhov active = *slot->tip_state || inrange_state; 103901eaac7eSBenjamin Tissoires 1040ba6b055eSBenjamin Tissoires if (app->application == HID_GD_SYSTEM_MULTIAXIS) 1041ba6b055eSBenjamin Tissoires tool = MT_TOOL_DIAL; 104228a042a3SDmitry Torokhov else if (unlikely(!confidence_state)) { 10439152c7d7SDmitry Torokhov tool = MT_TOOL_PALM; 1044306d5acbSPan Zhang if (!active && mt && 104528a042a3SDmitry Torokhov input_mt_is_active(&mt->slots[slotnum])) { 104628a042a3SDmitry Torokhov /* 104728a042a3SDmitry Torokhov * The non-confidence was reported for 104828a042a3SDmitry Torokhov * previously valid contact that is also no 104928a042a3SDmitry Torokhov * longer valid. We can't simply report 105028a042a3SDmitry Torokhov * lift-off as userspace will not be aware 105128a042a3SDmitry Torokhov * of non-confidence, so we need to split 105228a042a3SDmitry Torokhov * it into 2 events: active MT_TOOL_PALM 105328a042a3SDmitry Torokhov * and a separate liftoff. 105428a042a3SDmitry Torokhov */ 105528a042a3SDmitry Torokhov active = true; 105628a042a3SDmitry Torokhov set_bit(slotnum, app->pending_palm_slots); 105728a042a3SDmitry Torokhov } 105828a042a3SDmitry Torokhov } 1059ba6b055eSBenjamin Tissoires 106001eaac7eSBenjamin Tissoires input_mt_slot(input, slotnum); 1061ba6b055eSBenjamin Tissoires input_mt_report_slot_state(input, tool, active); 106201eaac7eSBenjamin Tissoires if (active) { 106301eaac7eSBenjamin Tissoires /* this finger is in proximity of the sensor */ 106401eaac7eSBenjamin Tissoires int wide = (*slot->w > *slot->h); 106501eaac7eSBenjamin Tissoires int major = max(*slot->w, *slot->h); 106601eaac7eSBenjamin Tissoires int minor = min(*slot->w, *slot->h); 106701eaac7eSBenjamin Tissoires int orientation = wide; 106801eaac7eSBenjamin Tissoires int max_azimuth; 106901eaac7eSBenjamin Tissoires int azimuth; 107001eaac7eSBenjamin Tissoires 107101eaac7eSBenjamin Tissoires if (slot->a != DEFAULT_ZERO) { 107200720277SWei-Ning Huang /* 107300720277SWei-Ning Huang * Azimuth is counter-clockwise and ranges from [0, MAX) 107400720277SWei-Ning Huang * (a full revolution). Convert it to clockwise ranging 107500720277SWei-Ning Huang * [-MAX/2, MAX/2]. 107600720277SWei-Ning Huang * 107700720277SWei-Ning Huang * Note that ABS_MT_ORIENTATION require us to report 107800720277SWei-Ning Huang * the limit of [-MAX/4, MAX/4], but the value can go 107900720277SWei-Ning Huang * out of range to [-MAX/2, MAX/2] to report an upside 108000720277SWei-Ning Huang * down ellipsis. 108100720277SWei-Ning Huang */ 108201eaac7eSBenjamin Tissoires azimuth = *slot->a; 108301eaac7eSBenjamin Tissoires max_azimuth = input_abs_get_max(input, 108401eaac7eSBenjamin Tissoires ABS_MT_ORIENTATION); 108501eaac7eSBenjamin Tissoires if (azimuth > max_azimuth * 2) 108601eaac7eSBenjamin Tissoires azimuth -= max_azimuth * 4; 108701eaac7eSBenjamin Tissoires orientation = -azimuth; 108801eaac7eSBenjamin Tissoires } 10895519cab4SBenjamin Tissoires 10909152c7d7SDmitry Torokhov if (quirks & MT_QUIRK_TOUCH_SIZE_SCALING) { 109101eaac7eSBenjamin Tissoires /* 109201eaac7eSBenjamin Tissoires * divided by two to match visual scale of touch 109301eaac7eSBenjamin Tissoires * for devices with this quirk 109401eaac7eSBenjamin Tissoires */ 109501eaac7eSBenjamin Tissoires major = major >> 1; 109601eaac7eSBenjamin Tissoires minor = minor >> 1; 109701eaac7eSBenjamin Tissoires } 109801eaac7eSBenjamin Tissoires 109901eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_X, *slot->x); 110001eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_Y, *slot->y); 110101eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOOL_X, *slot->cx); 110201eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOOL_Y, *slot->cy); 110301eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_DISTANCE, !*slot->tip_state); 110401eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_ORIENTATION, orientation); 110501eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_PRESSURE, *slot->p); 110601eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); 110701eaac7eSBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); 110801eaac7eSBenjamin Tissoires 110901eaac7eSBenjamin Tissoires set_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags); 111001eaac7eSBenjamin Tissoires } 111101eaac7eSBenjamin Tissoires 111201eaac7eSBenjamin Tissoires return 0; 111301eaac7eSBenjamin Tissoires } 111401eaac7eSBenjamin Tissoires 111501eaac7eSBenjamin Tissoires static void mt_process_mt_event(struct hid_device *hid, 111601eaac7eSBenjamin Tissoires struct mt_application *app, 111701eaac7eSBenjamin Tissoires struct hid_field *field, 111801eaac7eSBenjamin Tissoires struct hid_usage *usage, 111901eaac7eSBenjamin Tissoires __s32 value, 112001eaac7eSBenjamin Tissoires bool first_packet) 112101eaac7eSBenjamin Tissoires { 112201eaac7eSBenjamin Tissoires __s32 quirks = app->quirks; 112301eaac7eSBenjamin Tissoires struct input_dev *input = field->hidinput->input; 112401eaac7eSBenjamin Tissoires 112501eaac7eSBenjamin Tissoires if (!usage->type || !(hid->claimed & HID_CLAIMED_INPUT)) 112601eaac7eSBenjamin Tissoires return; 112701eaac7eSBenjamin Tissoires 112801eaac7eSBenjamin Tissoires if (quirks & MT_QUIRK_WIN8_PTP_BUTTONS) { 112901eaac7eSBenjamin Tissoires 113055746d28SHans de Goede /* 113155746d28SHans de Goede * For Win8 PTP touchpads we should only look at 113201eaac7eSBenjamin Tissoires * non finger/touch events in the first_packet of a 113301eaac7eSBenjamin Tissoires * (possible) multi-packet frame. 113455746d28SHans de Goede */ 113501eaac7eSBenjamin Tissoires if (!first_packet) 113655746d28SHans de Goede return; 113755746d28SHans de Goede 1138127e71bdSHans de Goede /* 1139127e71bdSHans de Goede * For Win8 PTP touchpads we map both the clickpad click 1140127e71bdSHans de Goede * and any "external" left buttons to BTN_LEFT if a 1141127e71bdSHans de Goede * device claims to have both we need to report 1 for 1142127e71bdSHans de Goede * BTN_LEFT if either is pressed, so we or all values 1143127e71bdSHans de Goede * together and report the result in mt_sync_frame(). 1144127e71bdSHans de Goede */ 114501eaac7eSBenjamin Tissoires if (usage->type == EV_KEY && usage->code == BTN_LEFT) { 1146f146d1c4SBenjamin Tissoires app->left_button_state |= value; 1147127e71bdSHans de Goede return; 1148127e71bdSHans de Goede } 11495519cab4SBenjamin Tissoires } 11505519cab4SBenjamin Tissoires 115101eaac7eSBenjamin Tissoires input_event(input, usage->type, usage->code, value); 115255978fa9SBenjamin Tissoires } 11532d93666eSBenjamin Tissoires 11548dfe14b3SBenjamin Tissoires static void mt_touch_report(struct hid_device *hid, 11558dfe14b3SBenjamin Tissoires struct mt_report_data *rdata) 115655978fa9SBenjamin Tissoires { 115755978fa9SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 11588dfe14b3SBenjamin Tissoires struct hid_report *report = rdata->report; 11598dfe14b3SBenjamin Tissoires struct mt_application *app = rdata->application; 116055978fa9SBenjamin Tissoires struct hid_field *field; 116101eaac7eSBenjamin Tissoires struct input_dev *input; 116201eaac7eSBenjamin Tissoires struct mt_usages *slot; 116355746d28SHans de Goede bool first_packet; 116455978fa9SBenjamin Tissoires unsigned count; 1165f146d1c4SBenjamin Tissoires int r, n; 1166f146d1c4SBenjamin Tissoires int scantime = 0; 1167f146d1c4SBenjamin Tissoires int contact_count = -1; 11685519cab4SBenjamin Tissoires 11694f4001bcSBenjamin Tissoires /* sticky fingers release in progress, abort */ 11704f4001bcSBenjamin Tissoires if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) 11714f4001bcSBenjamin Tissoires return; 11724f4001bcSBenjamin Tissoires 117301eaac7eSBenjamin Tissoires scantime = *app->scantime; 117401eaac7eSBenjamin Tissoires app->timestamp = mt_compute_timestamp(app, scantime); 117501eaac7eSBenjamin Tissoires if (app->raw_cc != DEFAULT_ZERO) 117601eaac7eSBenjamin Tissoires contact_count = *app->raw_cc; 117701eaac7eSBenjamin Tissoires 1178c2517f62SBenjamin Tissoires /* 1179c2517f62SBenjamin Tissoires * Includes multi-packet support where subsequent 1180c2517f62SBenjamin Tissoires * packets are sent with zero contactcount. 1181c2517f62SBenjamin Tissoires */ 118201eaac7eSBenjamin Tissoires if (contact_count >= 0) { 1183af8dc4d0SHans de Goede /* 1184af8dc4d0SHans de Goede * For Win8 PTPs the first packet (td->num_received == 0) may 1185af8dc4d0SHans de Goede * have a contactcount of 0 if there only is a button event. 1186af8dc4d0SHans de Goede * We double check that this is not a continuation packet 1187af8dc4d0SHans de Goede * of a possible multi-packet frame be checking that the 1188af8dc4d0SHans de Goede * timestamp has changed. 1189af8dc4d0SHans de Goede */ 11903ceb3826SBenjamin Tissoires if ((app->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && 1191f146d1c4SBenjamin Tissoires app->num_received == 0 && 1192f146d1c4SBenjamin Tissoires app->prev_scantime != scantime) 1193f146d1c4SBenjamin Tissoires app->num_expected = contact_count; 1194af8dc4d0SHans de Goede /* A non 0 contact count always indicates a first packet */ 1195f146d1c4SBenjamin Tissoires else if (contact_count) 1196f146d1c4SBenjamin Tissoires app->num_expected = contact_count; 11977e3cc447SBenjamin Tissoires } 1198f146d1c4SBenjamin Tissoires app->prev_scantime = scantime; 1199c2517f62SBenjamin Tissoires 1200f146d1c4SBenjamin Tissoires first_packet = app->num_received == 0; 120101eaac7eSBenjamin Tissoires 120201eaac7eSBenjamin Tissoires input = report->field[0]->hidinput->input; 120301eaac7eSBenjamin Tissoires 120401eaac7eSBenjamin Tissoires list_for_each_entry(slot, &app->mt_usages, list) { 120501eaac7eSBenjamin Tissoires if (!mt_process_slot(td, input, app, slot)) 120601eaac7eSBenjamin Tissoires app->num_received++; 120701eaac7eSBenjamin Tissoires } 120801eaac7eSBenjamin Tissoires 120955978fa9SBenjamin Tissoires for (r = 0; r < report->maxfield; r++) { 121055978fa9SBenjamin Tissoires field = report->field[r]; 121155978fa9SBenjamin Tissoires count = field->report_count; 121255978fa9SBenjamin Tissoires 121355978fa9SBenjamin Tissoires if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) 121455978fa9SBenjamin Tissoires continue; 121555978fa9SBenjamin Tissoires 121655978fa9SBenjamin Tissoires for (n = 0; n < count; n++) 121701eaac7eSBenjamin Tissoires mt_process_mt_event(hid, app, field, 121801eaac7eSBenjamin Tissoires &field->usage[n], field->value[n], 121901eaac7eSBenjamin Tissoires first_packet); 122055978fa9SBenjamin Tissoires } 12215b62efd8SBenjamin Tissoires 1222f146d1c4SBenjamin Tissoires if (app->num_received >= app->num_expected) 122301eaac7eSBenjamin Tissoires mt_sync_frame(td, app, input); 12244f4001bcSBenjamin Tissoires 12254f4001bcSBenjamin Tissoires /* 12264f4001bcSBenjamin Tissoires * Windows 8 specs says 2 things: 12274f4001bcSBenjamin Tissoires * - once a contact has been reported, it has to be reported in each 12284f4001bcSBenjamin Tissoires * subsequent report 12294f4001bcSBenjamin Tissoires * - the report rate when fingers are present has to be at least 12304f4001bcSBenjamin Tissoires * the refresh rate of the screen, 60 or 120 Hz 12314f4001bcSBenjamin Tissoires * 12324f4001bcSBenjamin Tissoires * I interprete this that the specification forces a report rate of 12334f4001bcSBenjamin Tissoires * at least 60 Hz for a touchscreen to be certified. 12344f4001bcSBenjamin Tissoires * Which means that if we do not get a report whithin 16 ms, either 12354f4001bcSBenjamin Tissoires * something wrong happens, either the touchscreen forgets to send 12364f4001bcSBenjamin Tissoires * a release. Taking a reasonable margin allows to remove issues 12374f4001bcSBenjamin Tissoires * with USB communication or the load of the machine. 12384f4001bcSBenjamin Tissoires * 12394f4001bcSBenjamin Tissoires * Given that Win 8 devices are forced to send a release, this will 12404f4001bcSBenjamin Tissoires * only affect laggish machines and the ones that have a firmware 12414f4001bcSBenjamin Tissoires * defect. 12424f4001bcSBenjamin Tissoires */ 12433ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_STICKY_FINGERS) { 124496098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) 124596098274SBenjamin Tissoires mod_timer(&td->release_timer, 124696098274SBenjamin Tissoires jiffies + msecs_to_jiffies(100)); 124796098274SBenjamin Tissoires else 124896098274SBenjamin Tissoires del_timer(&td->release_timer); 124996098274SBenjamin Tissoires } 12504f4001bcSBenjamin Tissoires 12514f4001bcSBenjamin Tissoires clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); 12525519cab4SBenjamin Tissoires } 12535519cab4SBenjamin Tissoires 1254b2c68a2fSDmitry Torokhov static int mt_touch_input_configured(struct hid_device *hdev, 1255f146d1c4SBenjamin Tissoires struct hid_input *hi, 1256f146d1c4SBenjamin Tissoires struct mt_application *app) 1257a69c5f8bSBenjamin Tissoires { 1258a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1259a69c5f8bSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 1260a69c5f8bSBenjamin Tissoires struct input_dev *input = hi->input; 1261b2c68a2fSDmitry Torokhov int ret; 1262a69c5f8bSBenjamin Tissoires 1263a69c5f8bSBenjamin Tissoires if (!td->maxcontacts) 1264a69c5f8bSBenjamin Tissoires td->maxcontacts = MT_DEFAULT_MAXCONTACT; 1265a69c5f8bSBenjamin Tissoires 1266f146d1c4SBenjamin Tissoires mt_post_parse(td, app); 1267a69c5f8bSBenjamin Tissoires if (td->serial_maybe) 1268f146d1c4SBenjamin Tissoires mt_post_parse_default_settings(td, app); 1269a69c5f8bSBenjamin Tissoires 1270a69c5f8bSBenjamin Tissoires if (cls->is_indirect) 1271f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_POINTER; 1272a69c5f8bSBenjamin Tissoires 12733ceb3826SBenjamin Tissoires if (app->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 1274f146d1c4SBenjamin Tissoires app->mt_flags |= INPUT_MT_DROP_UNUSED; 1275a69c5f8bSBenjamin Tissoires 1276015fdaa9SBenjamin Tissoires /* check for clickpads */ 1277f146d1c4SBenjamin Tissoires if ((app->mt_flags & INPUT_MT_POINTER) && 1278f146d1c4SBenjamin Tissoires (app->buttons_count == 1)) 12792c6e0277SSeth Forshee td->is_buttonpad = true; 12802c6e0277SSeth Forshee 12812c6e0277SSeth Forshee if (td->is_buttonpad) 1282015fdaa9SBenjamin Tissoires __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 1283015fdaa9SBenjamin Tissoires 128428a042a3SDmitry Torokhov app->pending_palm_slots = devm_kcalloc(&hi->input->dev, 128528a042a3SDmitry Torokhov BITS_TO_LONGS(td->maxcontacts), 128628a042a3SDmitry Torokhov sizeof(long), 128728a042a3SDmitry Torokhov GFP_KERNEL); 128828a042a3SDmitry Torokhov if (!app->pending_palm_slots) 128928a042a3SDmitry Torokhov return -ENOMEM; 129028a042a3SDmitry Torokhov 1291f146d1c4SBenjamin Tissoires ret = input_mt_init_slots(input, td->maxcontacts, app->mt_flags); 1292b2c68a2fSDmitry Torokhov if (ret) 1293b2c68a2fSDmitry Torokhov return ret; 1294a69c5f8bSBenjamin Tissoires 1295f146d1c4SBenjamin Tissoires app->mt_flags = 0; 1296b2c68a2fSDmitry Torokhov return 0; 1297a69c5f8bSBenjamin Tissoires } 1298a69c5f8bSBenjamin Tissoires 1299957b8dffSJoão Paulo Rechi Vita #define mt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 1300957b8dffSJoão Paulo Rechi Vita max, EV_KEY, (c)) 1301a69c5f8bSBenjamin Tissoires static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, 1302a69c5f8bSBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 1303a69c5f8bSBenjamin Tissoires unsigned long **bit, int *max) 1304a69c5f8bSBenjamin Tissoires { 13056aef704eSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1306f146d1c4SBenjamin Tissoires struct mt_application *application; 13078dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 13086aef704eSBenjamin Tissoires 13098dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 13108dfe14b3SBenjamin Tissoires if (!rdata) { 13118dfe14b3SBenjamin Tissoires hid_err(hdev, "failed to allocate data for report\n"); 13128dfe14b3SBenjamin Tissoires return 0; 13138dfe14b3SBenjamin Tissoires } 13148dfe14b3SBenjamin Tissoires 13158dfe14b3SBenjamin Tissoires application = rdata->application; 13163ceb3826SBenjamin Tissoires 13176aef704eSBenjamin Tissoires /* 13186aef704eSBenjamin Tissoires * If mtclass.export_all_inputs is not set, only map fields from 13196aef704eSBenjamin Tissoires * TouchScreen or TouchPad collections. We need to ignore fields 13206aef704eSBenjamin Tissoires * that belong to other collections such as Mouse that might have 13216aef704eSBenjamin Tissoires * the same GenericDesktop usages. 13226aef704eSBenjamin Tissoires */ 13236aef704eSBenjamin Tissoires if (!td->mtclass.export_all_inputs && 13246aef704eSBenjamin Tissoires field->application != HID_DG_TOUCHSCREEN && 1325fa11aa72SBenjamin Tissoires field->application != HID_DG_PEN && 13268fe89ef0SBenjamin Tissoires field->application != HID_DG_TOUCHPAD && 13278fe89ef0SBenjamin Tissoires field->application != HID_GD_KEYBOARD && 1328e57f4e67SHans de Goede field->application != HID_GD_SYSTEM_CONTROL && 13291fbf74efSJoão Paulo Rechi Vita field->application != HID_CP_CONSUMER_CONTROL && 1330957b8dffSJoão Paulo Rechi Vita field->application != HID_GD_WIRELESS_RADIO_CTLS && 1331ba6b055eSBenjamin Tissoires field->application != HID_GD_SYSTEM_MULTIAXIS && 1332957b8dffSJoão Paulo Rechi Vita !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 13333ceb3826SBenjamin Tissoires application->quirks & MT_QUIRK_ASUS_CUSTOM_UP)) 13346f492f28SBenjamin Tissoires return -1; 1335a69c5f8bSBenjamin Tissoires 13366aef704eSBenjamin Tissoires /* 1337957b8dffSJoão Paulo Rechi Vita * Some Asus keyboard+touchpad devices have the hotkeys defined in the 1338957b8dffSJoão Paulo Rechi Vita * touchpad report descriptor. We need to treat these as an array to 1339957b8dffSJoão Paulo Rechi Vita * map usages to input keys. 1340957b8dffSJoão Paulo Rechi Vita */ 134139bbf402SJiri Kosina if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS && 13423ceb3826SBenjamin Tissoires application->quirks & MT_QUIRK_ASUS_CUSTOM_UP && 1343957b8dffSJoão Paulo Rechi Vita (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) { 1344957b8dffSJoão Paulo Rechi Vita set_bit(EV_REP, hi->input->evbit); 1345957b8dffSJoão Paulo Rechi Vita if (field->flags & HID_MAIN_ITEM_VARIABLE) 1346957b8dffSJoão Paulo Rechi Vita field->flags &= ~HID_MAIN_ITEM_VARIABLE; 1347957b8dffSJoão Paulo Rechi Vita switch (usage->hid & HID_USAGE) { 1348957b8dffSJoão Paulo Rechi Vita case 0x10: mt_map_key_clear(KEY_BRIGHTNESSDOWN); break; 1349957b8dffSJoão Paulo Rechi Vita case 0x20: mt_map_key_clear(KEY_BRIGHTNESSUP); break; 1350957b8dffSJoão Paulo Rechi Vita case 0x35: mt_map_key_clear(KEY_DISPLAY_OFF); break; 1351957b8dffSJoão Paulo Rechi Vita case 0x6b: mt_map_key_clear(KEY_F21); break; 1352957b8dffSJoão Paulo Rechi Vita case 0x6c: mt_map_key_clear(KEY_SLEEP); break; 1353957b8dffSJoão Paulo Rechi Vita default: 1354957b8dffSJoão Paulo Rechi Vita return -1; 1355957b8dffSJoão Paulo Rechi Vita } 1356957b8dffSJoão Paulo Rechi Vita return 1; 1357957b8dffSJoão Paulo Rechi Vita } 1358957b8dffSJoão Paulo Rechi Vita 1359ba6b055eSBenjamin Tissoires if (rdata->is_mt_collection) 1360f146d1c4SBenjamin Tissoires return mt_touch_input_mapping(hdev, hi, field, usage, bit, max, 1361f146d1c4SBenjamin Tissoires application); 13626aef704eSBenjamin Tissoires 13637ffa13beSBenjamin Tissoires /* 13647ffa13beSBenjamin Tissoires * some egalax touchscreens have "application == DG_TOUCHSCREEN" 13657ffa13beSBenjamin Tissoires * for the stylus. Overwrite the hid_input application 13667ffa13beSBenjamin Tissoires */ 13677ffa13beSBenjamin Tissoires if (field->physical == HID_DG_STYLUS) 13687ffa13beSBenjamin Tissoires hi->application = HID_DG_STYLUS; 13697ffa13beSBenjamin Tissoires 13706aef704eSBenjamin Tissoires /* let hid-core decide for the others */ 13716aef704eSBenjamin Tissoires return 0; 1372a69c5f8bSBenjamin Tissoires } 1373a69c5f8bSBenjamin Tissoires 1374a69c5f8bSBenjamin Tissoires static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, 1375a69c5f8bSBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 1376a69c5f8bSBenjamin Tissoires unsigned long **bit, int *max) 1377a69c5f8bSBenjamin Tissoires { 1378ba6b055eSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1379ba6b055eSBenjamin Tissoires struct mt_report_data *rdata; 1380fa11aa72SBenjamin Tissoires 1381ba6b055eSBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 1382ba6b055eSBenjamin Tissoires if (rdata && rdata->is_mt_collection) { 13834cf56a89SDmitry Torokhov /* We own these mappings, tell hid-input to ignore them */ 13844cf56a89SDmitry Torokhov return -1; 13854cf56a89SDmitry Torokhov } 13866aef704eSBenjamin Tissoires 13876aef704eSBenjamin Tissoires /* let hid-core decide for the others */ 13886aef704eSBenjamin Tissoires return 0; 1389a69c5f8bSBenjamin Tissoires } 1390a69c5f8bSBenjamin Tissoires 1391a69c5f8bSBenjamin Tissoires static int mt_event(struct hid_device *hid, struct hid_field *field, 1392a69c5f8bSBenjamin Tissoires struct hid_usage *usage, __s32 value) 1393a69c5f8bSBenjamin Tissoires { 1394a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 13958dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1396a69c5f8bSBenjamin Tissoires 13978dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, field->report); 13988dfe14b3SBenjamin Tissoires if (rdata && rdata->is_mt_collection) 1399a69c5f8bSBenjamin Tissoires return mt_touch_event(hid, field, usage, value); 1400a69c5f8bSBenjamin Tissoires 1401e55f6200SBenjamin Tissoires return 0; 1402a69c5f8bSBenjamin Tissoires } 1403a69c5f8bSBenjamin Tissoires 1404a69c5f8bSBenjamin Tissoires static void mt_report(struct hid_device *hid, struct hid_report *report) 1405a69c5f8bSBenjamin Tissoires { 1406a69c5f8bSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 1407e55f6200SBenjamin Tissoires struct hid_field *field = report->field[0]; 14088dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1409a69c5f8bSBenjamin Tissoires 1410a69c5f8bSBenjamin Tissoires if (!(hid->claimed & HID_CLAIMED_INPUT)) 1411a69c5f8bSBenjamin Tissoires return; 1412a69c5f8bSBenjamin Tissoires 14138dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, report); 14148dfe14b3SBenjamin Tissoires if (rdata && rdata->is_mt_collection) 14158dfe14b3SBenjamin Tissoires return mt_touch_report(hid, rdata); 1416fa11aa72SBenjamin Tissoires 1417e55f6200SBenjamin Tissoires if (field && field->hidinput && field->hidinput->input) 1418e55f6200SBenjamin Tissoires input_sync(field->hidinput->input); 14195519cab4SBenjamin Tissoires } 14205519cab4SBenjamin Tissoires 14217f81c8dbSBenjamin Tissoires static bool mt_need_to_apply_feature(struct hid_device *hdev, 14227f81c8dbSBenjamin Tissoires struct hid_field *field, 142302946f4bSBenjamin Tissoires struct hid_usage *usage, 142402946f4bSBenjamin Tissoires enum latency_mode latency, 142502946f4bSBenjamin Tissoires bool surface_switch, 1426ec6adef5SBenjamin Tissoires bool button_switch, 1427ec6adef5SBenjamin Tissoires bool *inputmode_found) 14285519cab4SBenjamin Tissoires { 14295519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1430da10bc25SMathieu Magnaudet struct mt_class *cls = &td->mtclass; 14317f81c8dbSBenjamin Tissoires struct hid_report *report = field->report; 14327f81c8dbSBenjamin Tissoires unsigned int index = usage->usage_index; 1433da10bc25SMathieu Magnaudet char *buf; 14343064a03bSAaron Ma u32 report_len; 14357f81c8dbSBenjamin Tissoires int max; 14365519cab4SBenjamin Tissoires 14377f81c8dbSBenjamin Tissoires switch (usage->hid) { 14387f81c8dbSBenjamin Tissoires case HID_DG_INPUTMODE: 1439ec6adef5SBenjamin Tissoires /* 1440ec6adef5SBenjamin Tissoires * Some elan panels wrongly declare 2 input mode features, 1441ec6adef5SBenjamin Tissoires * and silently ignore when we set the value in the second 1442ec6adef5SBenjamin Tissoires * field. Skip the second feature and hope for the best. 1443ec6adef5SBenjamin Tissoires */ 1444ec6adef5SBenjamin Tissoires if (*inputmode_found) 1445ec6adef5SBenjamin Tissoires return false; 1446ec6adef5SBenjamin Tissoires 1447da10bc25SMathieu Magnaudet if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) { 14487f81c8dbSBenjamin Tissoires report_len = hid_report_len(report); 14497f81c8dbSBenjamin Tissoires buf = hid_alloc_report_buf(report, GFP_KERNEL); 1450da10bc25SMathieu Magnaudet if (!buf) { 14517f81c8dbSBenjamin Tissoires hid_err(hdev, 14527f81c8dbSBenjamin Tissoires "failed to allocate buffer for report\n"); 14537f81c8dbSBenjamin Tissoires return false; 1454da10bc25SMathieu Magnaudet } 14557f81c8dbSBenjamin Tissoires hid_hw_raw_request(hdev, report->id, buf, report_len, 1456da10bc25SMathieu Magnaudet HID_FEATURE_REPORT, 1457da10bc25SMathieu Magnaudet HID_REQ_GET_REPORT); 1458da10bc25SMathieu Magnaudet kfree(buf); 1459da10bc25SMathieu Magnaudet } 14607f81c8dbSBenjamin Tissoires 14617f81c8dbSBenjamin Tissoires field->value[index] = td->inputmode_value; 1462ec6adef5SBenjamin Tissoires *inputmode_found = true; 14637f81c8dbSBenjamin Tissoires return true; 14647f81c8dbSBenjamin Tissoires 14657f81c8dbSBenjamin Tissoires case HID_DG_CONTACTMAX: 14663ceb3826SBenjamin Tissoires if (cls->maxcontacts) { 14677f81c8dbSBenjamin Tissoires max = min_t(int, field->logical_maximum, 14683ceb3826SBenjamin Tissoires cls->maxcontacts); 14697f81c8dbSBenjamin Tissoires if (field->value[index] != max) { 14707f81c8dbSBenjamin Tissoires field->value[index] = max; 14717f81c8dbSBenjamin Tissoires return true; 14725519cab4SBenjamin Tissoires } 14735519cab4SBenjamin Tissoires } 14747f81c8dbSBenjamin Tissoires break; 147502946f4bSBenjamin Tissoires 147602946f4bSBenjamin Tissoires case HID_DG_LATENCYMODE: 147702946f4bSBenjamin Tissoires field->value[index] = latency; 147899c703acSJiri Kosina return true; 147902946f4bSBenjamin Tissoires 148002946f4bSBenjamin Tissoires case HID_DG_SURFACESWITCH: 148102946f4bSBenjamin Tissoires field->value[index] = surface_switch; 148299c703acSJiri Kosina return true; 148302946f4bSBenjamin Tissoires 148402946f4bSBenjamin Tissoires case HID_DG_BUTTONSWITCH: 148502946f4bSBenjamin Tissoires field->value[index] = button_switch; 148699c703acSJiri Kosina return true; 14877f81c8dbSBenjamin Tissoires } 14885519cab4SBenjamin Tissoires 14897f81c8dbSBenjamin Tissoires return false; /* no need to update the report */ 14907f81c8dbSBenjamin Tissoires } 14917f81c8dbSBenjamin Tissoires 149202946f4bSBenjamin Tissoires static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency, 149302946f4bSBenjamin Tissoires bool surface_switch, bool button_switch) 149431ae9bddSBenjamin Tissoires { 14957f81c8dbSBenjamin Tissoires struct hid_report_enum *rep_enum; 14967f81c8dbSBenjamin Tissoires struct hid_report *rep; 14977f81c8dbSBenjamin Tissoires struct hid_usage *usage; 14987f81c8dbSBenjamin Tissoires int i, j; 14997f81c8dbSBenjamin Tissoires bool update_report; 1500ec6adef5SBenjamin Tissoires bool inputmode_found = false; 150131ae9bddSBenjamin Tissoires 15027f81c8dbSBenjamin Tissoires rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; 15037f81c8dbSBenjamin Tissoires list_for_each_entry(rep, &rep_enum->report_list, list) { 15047f81c8dbSBenjamin Tissoires update_report = false; 150531ae9bddSBenjamin Tissoires 15067f81c8dbSBenjamin Tissoires for (i = 0; i < rep->maxfield; i++) { 15077f81c8dbSBenjamin Tissoires /* Ignore if report count is out of bounds. */ 15087f81c8dbSBenjamin Tissoires if (rep->field[i]->report_count < 1) 15097f81c8dbSBenjamin Tissoires continue; 151031ae9bddSBenjamin Tissoires 15117f81c8dbSBenjamin Tissoires for (j = 0; j < rep->field[i]->maxusage; j++) { 15127f81c8dbSBenjamin Tissoires usage = &rep->field[i]->usage[j]; 15137f81c8dbSBenjamin Tissoires 15147f81c8dbSBenjamin Tissoires if (mt_need_to_apply_feature(hdev, 15157f81c8dbSBenjamin Tissoires rep->field[i], 151602946f4bSBenjamin Tissoires usage, 151702946f4bSBenjamin Tissoires latency, 151802946f4bSBenjamin Tissoires surface_switch, 1519ec6adef5SBenjamin Tissoires button_switch, 1520ec6adef5SBenjamin Tissoires &inputmode_found)) 15217f81c8dbSBenjamin Tissoires update_report = true; 152231ae9bddSBenjamin Tissoires } 152331ae9bddSBenjamin Tissoires } 15247f81c8dbSBenjamin Tissoires 15257f81c8dbSBenjamin Tissoires if (update_report) 15267f81c8dbSBenjamin Tissoires hid_hw_request(hdev, rep, HID_REQ_SET_REPORT); 15277f81c8dbSBenjamin Tissoires } 152831ae9bddSBenjamin Tissoires } 152931ae9bddSBenjamin Tissoires 1530f146d1c4SBenjamin Tissoires static void mt_post_parse_default_settings(struct mt_device *td, 1531f146d1c4SBenjamin Tissoires struct mt_application *app) 15324fa3a583SHenrik Rydberg { 15333ceb3826SBenjamin Tissoires __s32 quirks = app->quirks; 15344fa3a583SHenrik Rydberg 15354fa3a583SHenrik Rydberg /* unknown serial device needs special quirks */ 153601eaac7eSBenjamin Tissoires if (list_is_singular(&app->mt_usages)) { 15374fa3a583SHenrik Rydberg quirks |= MT_QUIRK_ALWAYS_VALID; 15384fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; 15394fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_VALID_IS_INRANGE; 15404fa3a583SHenrik Rydberg quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; 1541e0bb8f9aSBenjamin Tissoires quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 15424fa3a583SHenrik Rydberg } 15434fa3a583SHenrik Rydberg 15443ceb3826SBenjamin Tissoires app->quirks = quirks; 15454fa3a583SHenrik Rydberg } 15464fa3a583SHenrik Rydberg 1547f146d1c4SBenjamin Tissoires static void mt_post_parse(struct mt_device *td, struct mt_application *app) 15483ac36d15SBenjamin Tissoires { 154901eaac7eSBenjamin Tissoires if (!app->have_contact_count) 15503ceb3826SBenjamin Tissoires app->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; 15513ac36d15SBenjamin Tissoires } 15523ac36d15SBenjamin Tissoires 1553b2c68a2fSDmitry Torokhov static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) 155476f5902aSHenrik Rydberg { 155576f5902aSHenrik Rydberg struct mt_device *td = hid_get_drvdata(hdev); 1556c08d46aaSBenjamin Tissoires char *name; 1557c08d46aaSBenjamin Tissoires const char *suffix = NULL; 15588dfe14b3SBenjamin Tissoires struct mt_report_data *rdata; 1559f146d1c4SBenjamin Tissoires struct mt_application *mt_application = NULL; 156040ec2603SBenjamin Tissoires struct hid_report *report; 1561b2c68a2fSDmitry Torokhov int ret; 156276f5902aSHenrik Rydberg 156340ec2603SBenjamin Tissoires list_for_each_entry(report, &hi->reports, hidinput_list) { 15648dfe14b3SBenjamin Tissoires rdata = mt_find_report_data(td, report); 15658dfe14b3SBenjamin Tissoires if (!rdata) { 15668dfe14b3SBenjamin Tissoires hid_err(hdev, "failed to allocate data for report\n"); 15678dfe14b3SBenjamin Tissoires return -ENOMEM; 15688dfe14b3SBenjamin Tissoires } 1569f146d1c4SBenjamin Tissoires 15708dfe14b3SBenjamin Tissoires mt_application = rdata->application; 15718dfe14b3SBenjamin Tissoires 15728dfe14b3SBenjamin Tissoires if (rdata->is_mt_collection) { 1573f146d1c4SBenjamin Tissoires ret = mt_touch_input_configured(hdev, hi, 1574f146d1c4SBenjamin Tissoires mt_application); 1575b2c68a2fSDmitry Torokhov if (ret) 1576b2c68a2fSDmitry Torokhov return ret; 1577b2c68a2fSDmitry Torokhov } 157840ec2603SBenjamin Tissoires } 157940ec2603SBenjamin Tissoires 15807ffa13beSBenjamin Tissoires switch (hi->application) { 15816aef704eSBenjamin Tissoires case HID_GD_KEYBOARD: 15826aef704eSBenjamin Tissoires case HID_GD_KEYPAD: 15836aef704eSBenjamin Tissoires case HID_GD_MOUSE: 158440ec2603SBenjamin Tissoires case HID_DG_TOUCHPAD: 158540ec2603SBenjamin Tissoires case HID_GD_SYSTEM_CONTROL: 158640ec2603SBenjamin Tissoires case HID_CP_CONSUMER_CONTROL: 158740ec2603SBenjamin Tissoires case HID_GD_WIRELESS_RADIO_CTLS: 1588ba6b055eSBenjamin Tissoires case HID_GD_SYSTEM_MULTIAXIS: 158940ec2603SBenjamin Tissoires /* already handled by hid core */ 15906aef704eSBenjamin Tissoires break; 15916aef704eSBenjamin Tissoires case HID_DG_TOUCHSCREEN: 15926aef704eSBenjamin Tissoires /* we do not set suffix = "Touchscreen" */ 159340ec2603SBenjamin Tissoires hi->input->name = hdev->name; 15946aef704eSBenjamin Tissoires break; 1595957b8dffSJoão Paulo Rechi Vita case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: 1596957b8dffSJoão Paulo Rechi Vita suffix = "Custom Media Keys"; 1597957b8dffSJoão Paulo Rechi Vita break; 1598bc8b796fSAhelenia Ziemiańska case HID_DG_STYLUS: 1599bc8b796fSAhelenia Ziemiańska /* force BTN_STYLUS to allow tablet matching in udev */ 1600bc8b796fSAhelenia Ziemiańska __set_bit(BTN_STYLUS, hi->input->keybit); 1601bc8b796fSAhelenia Ziemiańska fallthrough; 160269ecd44dSBenjamin Tissoires case HID_DG_PEN: 160369ecd44dSBenjamin Tissoires suffix = "Stylus"; 160469ecd44dSBenjamin Tissoires break; 16056aef704eSBenjamin Tissoires default: 16066aef704eSBenjamin Tissoires suffix = "UNKNOWN"; 16076aef704eSBenjamin Tissoires break; 16086aef704eSBenjamin Tissoires } 160976f5902aSHenrik Rydberg 1610c08d46aaSBenjamin Tissoires if (suffix) { 1611c08d46aaSBenjamin Tissoires name = devm_kzalloc(&hi->input->dev, 1612c08d46aaSBenjamin Tissoires strlen(hdev->name) + strlen(suffix) + 2, 1613c08d46aaSBenjamin Tissoires GFP_KERNEL); 1614c08d46aaSBenjamin Tissoires if (name) { 1615c08d46aaSBenjamin Tissoires sprintf(name, "%s %s", hdev->name, suffix); 1616c08d46aaSBenjamin Tissoires hi->input->name = name; 1617c08d46aaSBenjamin Tissoires } 1618c08d46aaSBenjamin Tissoires } 1619b2c68a2fSDmitry Torokhov 1620b2c68a2fSDmitry Torokhov return 0; 1621c08d46aaSBenjamin Tissoires } 1622c08d46aaSBenjamin Tissoires 1623f3287a99SBenjamin Tissoires static void mt_fix_const_field(struct hid_field *field, unsigned int usage) 1624f3287a99SBenjamin Tissoires { 1625f3287a99SBenjamin Tissoires if (field->usage[0].hid != usage || 1626f3287a99SBenjamin Tissoires !(field->flags & HID_MAIN_ITEM_CONSTANT)) 1627f3287a99SBenjamin Tissoires return; 1628f3287a99SBenjamin Tissoires 1629f3287a99SBenjamin Tissoires field->flags &= ~HID_MAIN_ITEM_CONSTANT; 1630f3287a99SBenjamin Tissoires field->flags |= HID_MAIN_ITEM_VARIABLE; 1631f3287a99SBenjamin Tissoires } 1632f3287a99SBenjamin Tissoires 1633f3287a99SBenjamin Tissoires static void mt_fix_const_fields(struct hid_device *hdev, unsigned int usage) 1634f3287a99SBenjamin Tissoires { 1635f3287a99SBenjamin Tissoires struct hid_report *report; 1636f3287a99SBenjamin Tissoires int i; 1637f3287a99SBenjamin Tissoires 1638f3287a99SBenjamin Tissoires list_for_each_entry(report, 1639f3287a99SBenjamin Tissoires &hdev->report_enum[HID_INPUT_REPORT].report_list, 1640f3287a99SBenjamin Tissoires list) { 1641f3287a99SBenjamin Tissoires 1642f3287a99SBenjamin Tissoires if (!report->maxfield) 1643f3287a99SBenjamin Tissoires continue; 1644f3287a99SBenjamin Tissoires 1645f3287a99SBenjamin Tissoires for (i = 0; i < report->maxfield; i++) 1646f3287a99SBenjamin Tissoires if (report->field[i]->maxusage >= 1) 1647f3287a99SBenjamin Tissoires mt_fix_const_field(report->field[i], usage); 1648f3287a99SBenjamin Tissoires } 1649f3287a99SBenjamin Tissoires } 1650f3287a99SBenjamin Tissoires 16514f4001bcSBenjamin Tissoires static void mt_release_contacts(struct hid_device *hid) 16524f4001bcSBenjamin Tissoires { 16534f4001bcSBenjamin Tissoires struct hid_input *hidinput; 1654f146d1c4SBenjamin Tissoires struct mt_application *application; 16554f4001bcSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 16564f4001bcSBenjamin Tissoires 16574f4001bcSBenjamin Tissoires list_for_each_entry(hidinput, &hid->inputs, list) { 16584f4001bcSBenjamin Tissoires struct input_dev *input_dev = hidinput->input; 16594f4001bcSBenjamin Tissoires struct input_mt *mt = input_dev->mt; 16604f4001bcSBenjamin Tissoires int i; 16614f4001bcSBenjamin Tissoires 16624f4001bcSBenjamin Tissoires if (mt) { 16634f4001bcSBenjamin Tissoires for (i = 0; i < mt->num_slots; i++) { 16644f4001bcSBenjamin Tissoires input_mt_slot(input_dev, i); 16655fc70e35SJiada Wang input_mt_report_slot_inactive(input_dev); 16664f4001bcSBenjamin Tissoires } 16674f4001bcSBenjamin Tissoires input_mt_sync_frame(input_dev); 16684f4001bcSBenjamin Tissoires input_sync(input_dev); 16694f4001bcSBenjamin Tissoires } 16704f4001bcSBenjamin Tissoires } 16714f4001bcSBenjamin Tissoires 1672f146d1c4SBenjamin Tissoires list_for_each_entry(application, &td->applications, list) { 1673f146d1c4SBenjamin Tissoires application->num_received = 0; 1674f146d1c4SBenjamin Tissoires } 16754f4001bcSBenjamin Tissoires } 16764f4001bcSBenjamin Tissoires 16770ee32774SKees Cook static void mt_expired_timeout(struct timer_list *t) 16784f4001bcSBenjamin Tissoires { 16790ee32774SKees Cook struct mt_device *td = from_timer(td, t, release_timer); 16800ee32774SKees Cook struct hid_device *hdev = td->hdev; 16814f4001bcSBenjamin Tissoires 16824f4001bcSBenjamin Tissoires /* 16834f4001bcSBenjamin Tissoires * An input report came in just before we release the sticky fingers, 16844f4001bcSBenjamin Tissoires * it will take care of the sticky fingers. 16854f4001bcSBenjamin Tissoires */ 16864f4001bcSBenjamin Tissoires if (test_and_set_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags)) 16874f4001bcSBenjamin Tissoires return; 168896098274SBenjamin Tissoires if (test_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags)) 16894f4001bcSBenjamin Tissoires mt_release_contacts(hdev); 16904f4001bcSBenjamin Tissoires clear_bit(MT_IO_FLAGS_RUNNING, &td->mt_io_flags); 16914f4001bcSBenjamin Tissoires } 16924f4001bcSBenjamin Tissoires 16935519cab4SBenjamin Tissoires static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) 16945519cab4SBenjamin Tissoires { 16952d93666eSBenjamin Tissoires int ret, i; 16965519cab4SBenjamin Tissoires struct mt_device *td; 1697cf6d15d7SBenjamin Tissoires const struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ 16982d93666eSBenjamin Tissoires 16992d93666eSBenjamin Tissoires for (i = 0; mt_classes[i].name ; i++) { 17002d93666eSBenjamin Tissoires if (id->driver_data == mt_classes[i].name) { 17012d93666eSBenjamin Tissoires mtclass = &(mt_classes[i]); 17022d93666eSBenjamin Tissoires break; 17032d93666eSBenjamin Tissoires } 17042d93666eSBenjamin Tissoires } 17055519cab4SBenjamin Tissoires 1706c08d46aaSBenjamin Tissoires td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL); 17075519cab4SBenjamin Tissoires if (!td) { 17085519cab4SBenjamin Tissoires dev_err(&hdev->dev, "cannot allocate multitouch data\n"); 17095519cab4SBenjamin Tissoires return -ENOMEM; 17105519cab4SBenjamin Tissoires } 17110ee32774SKees Cook td->hdev = hdev; 1712eec29e3dSBenjamin Tissoires td->mtclass = *mtclass; 17139abebedbSAndrew Duggan td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN; 17145519cab4SBenjamin Tissoires hid_set_drvdata(hdev, td); 17155519cab4SBenjamin Tissoires 1716f146d1c4SBenjamin Tissoires INIT_LIST_HEAD(&td->applications); 17178dfe14b3SBenjamin Tissoires INIT_LIST_HEAD(&td->reports); 1718f146d1c4SBenjamin Tissoires 171976f5902aSHenrik Rydberg if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) 172076f5902aSHenrik Rydberg td->serial_maybe = true; 172176f5902aSHenrik Rydberg 1722b897f6dbSBenjamin Tissoires /* This allows the driver to correctly support devices 1723b897f6dbSBenjamin Tissoires * that emit events over several HID messages. 1724b897f6dbSBenjamin Tissoires */ 1725b897f6dbSBenjamin Tissoires hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; 1726b897f6dbSBenjamin Tissoires 1727b897f6dbSBenjamin Tissoires /* 1728b897f6dbSBenjamin Tissoires * This allows the driver to handle different input sensors 172940ec2603SBenjamin Tissoires * that emits events through different applications on the same HID 1730b897f6dbSBenjamin Tissoires * device. 1731b897f6dbSBenjamin Tissoires */ 173240ec2603SBenjamin Tissoires hdev->quirks |= HID_QUIRK_INPUT_PER_APP; 1733b897f6dbSBenjamin Tissoires 17340d6c3011SBenjamin Tissoires if (id->group != HID_GROUP_MULTITOUCH_WIN_8) 17350d6c3011SBenjamin Tissoires hdev->quirks |= HID_QUIRK_MULTI_INPUT; 17360d6c3011SBenjamin Tissoires 173740d5bb87SBenjamin Tissoires if (mtclass->quirks & MT_QUIRK_FORCE_MULTI_INPUT) { 173840d5bb87SBenjamin Tissoires hdev->quirks &= ~HID_QUIRK_INPUT_PER_APP; 173940d5bb87SBenjamin Tissoires hdev->quirks |= HID_QUIRK_MULTI_INPUT; 174040d5bb87SBenjamin Tissoires } 174140d5bb87SBenjamin Tissoires 17420ee32774SKees Cook timer_setup(&td->release_timer, mt_expired_timeout, 0); 17434f4001bcSBenjamin Tissoires 17445519cab4SBenjamin Tissoires ret = hid_parse(hdev); 17455519cab4SBenjamin Tissoires if (ret != 0) 1746c08d46aaSBenjamin Tissoires return ret; 17475519cab4SBenjamin Tissoires 1748f3287a99SBenjamin Tissoires if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID) 1749f3287a99SBenjamin Tissoires mt_fix_const_fields(hdev, HID_DG_CONTACTID); 1750f3287a99SBenjamin Tissoires 17515519cab4SBenjamin Tissoires ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 17522d93666eSBenjamin Tissoires if (ret) 1753c08d46aaSBenjamin Tissoires return ret; 17545519cab4SBenjamin Tissoires 1755eec29e3dSBenjamin Tissoires ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); 17560c4b3c63SNicholas Krause if (ret) 17570c4b3c63SNicholas Krause dev_warn(&hdev->dev, "Cannot allocate sysfs group for %s\n", 17580c4b3c63SNicholas Krause hdev->name); 1759eec29e3dSBenjamin Tissoires 176002946f4bSBenjamin Tissoires mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 17615519cab4SBenjamin Tissoires 17625519cab4SBenjamin Tissoires return 0; 17635519cab4SBenjamin Tissoires } 17645519cab4SBenjamin Tissoires 17655519cab4SBenjamin Tissoires #ifdef CONFIG_PM 1766c7aa374eSBlaž Hrastnik static int mt_suspend(struct hid_device *hdev, pm_message_t state) 1767c7aa374eSBlaž Hrastnik { 176831a4cf1dSHans de Goede struct mt_device *td = hid_get_drvdata(hdev); 176931a4cf1dSHans de Goede 1770c7aa374eSBlaž Hrastnik /* High latency is desirable for power savings during S3/S0ix */ 1771*498d0ddcSHans de Goede if ((td->mtclass.quirks & MT_QUIRK_DISABLE_WAKEUP) || 1772*498d0ddcSHans de Goede !hid_hw_may_wakeup(hdev)) 177331a4cf1dSHans de Goede mt_set_modes(hdev, HID_LATENCY_HIGH, false, false); 177431a4cf1dSHans de Goede else 1775c7aa374eSBlaž Hrastnik mt_set_modes(hdev, HID_LATENCY_HIGH, true, true); 177631a4cf1dSHans de Goede 1777c7aa374eSBlaž Hrastnik return 0; 1778c7aa374eSBlaž Hrastnik } 1779c7aa374eSBlaž Hrastnik 17805519cab4SBenjamin Tissoires static int mt_reset_resume(struct hid_device *hdev) 17815519cab4SBenjamin Tissoires { 1782d3e69b9aSBenson Leung mt_release_contacts(hdev); 178302946f4bSBenjamin Tissoires mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 17845519cab4SBenjamin Tissoires return 0; 17855519cab4SBenjamin Tissoires } 1786dfeefd10SScott Liu 1787dfeefd10SScott Liu static int mt_resume(struct hid_device *hdev) 1788dfeefd10SScott Liu { 1789dfeefd10SScott Liu /* Some Elan legacy devices require SET_IDLE to be set on resume. 1790dfeefd10SScott Liu * It should be safe to send it to other devices too. 1791dfeefd10SScott Liu * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ 1792dfeefd10SScott Liu 17934ba25d3fSBenjamin Tissoires hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); 1794dfeefd10SScott Liu 1795c7aa374eSBlaž Hrastnik mt_set_modes(hdev, HID_LATENCY_NORMAL, true, true); 1796c7aa374eSBlaž Hrastnik 1797dfeefd10SScott Liu return 0; 1798dfeefd10SScott Liu } 17995519cab4SBenjamin Tissoires #endif 18005519cab4SBenjamin Tissoires 18015519cab4SBenjamin Tissoires static void mt_remove(struct hid_device *hdev) 18025519cab4SBenjamin Tissoires { 1803b897f6dbSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 1804b897f6dbSBenjamin Tissoires 18054f4001bcSBenjamin Tissoires del_timer_sync(&td->release_timer); 18064f4001bcSBenjamin Tissoires 1807eec29e3dSBenjamin Tissoires sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); 18085939212dSBenjamin Tissoires hid_hw_stop(hdev); 18095519cab4SBenjamin Tissoires } 18105519cab4SBenjamin Tissoires 18110fa9c616SBenjamin Tissoires /* 18120fa9c616SBenjamin Tissoires * This list contains only: 18130fa9c616SBenjamin Tissoires * - VID/PID of products not working with the default multitouch handling 18140fa9c616SBenjamin Tissoires * - 2 generic rules. 18150fa9c616SBenjamin Tissoires * So there is no point in adding here any device with MT_CLS_DEFAULT. 18160fa9c616SBenjamin Tissoires */ 18175519cab4SBenjamin Tissoires static const struct hid_device_id mt_devices[] = { 18185519cab4SBenjamin Tissoires 1819f786bba4SBenjamin Tissoires /* 3M panels */ 1820f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 18212c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1822f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M1968) }, 1823f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 18242c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1825f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M2256) }, 1826c4fad877SBenjamin Tissoires { .driver_data = MT_CLS_3M, 18272c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_3M, 1828c4fad877SBenjamin Tissoires USB_DEVICE_ID_3M3266) }, 1829f786bba4SBenjamin Tissoires 18306aef704eSBenjamin Tissoires /* Anton devices */ 18316aef704eSBenjamin Tissoires { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, 18326aef704eSBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_ANTON, 18336aef704eSBenjamin Tissoires USB_DEVICE_ID_ANTON_TOUCH_PAD) }, 1834e6aac342SBenjamin Tissoires 183531a4cf1dSHans de Goede /* Asus T101HA */ 183631a4cf1dSHans de Goede { .driver_data = MT_CLS_WIN_8_DISABLE_WAKEUP, 183731a4cf1dSHans de Goede HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 183831a4cf1dSHans de Goede USB_VENDOR_ID_ASUSTEK, 183931a4cf1dSHans de Goede USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) }, 184031a4cf1dSHans de Goede 1841957b8dffSJoão Paulo Rechi Vita /* Asus T304UA */ 1842957b8dffSJoão Paulo Rechi Vita { .driver_data = MT_CLS_ASUS, 1843957b8dffSJoão Paulo Rechi Vita HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 1844957b8dffSJoão Paulo Rechi Vita USB_VENDOR_ID_ASUSTEK, 1845957b8dffSJoão Paulo Rechi Vita USB_DEVICE_ID_ASUSTEK_T304_KEYBOARD) }, 1846957b8dffSJoão Paulo Rechi Vita 1847b1057124SBenjamin Tissoires /* Atmel panels */ 1848b1057124SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 18492c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, 1850841cb157SBenjamin Tissoires USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, 1851b1057124SBenjamin Tissoires 18529ed32695SJiri Kosina /* Baanto multitouch devices */ 1853dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 185416b79bb8SJiri Kosina MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, 18559ed32695SJiri Kosina USB_DEVICE_ID_BAANTO_MT_190W2) }, 18560fa9c616SBenjamin Tissoires 1857a841b62cSBenjamin Tissoires /* Cando panels */ 1858a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 18592c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 1860a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, 1861a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 18622c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 1863a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, 1864a841b62cSBenjamin Tissoires 1865942fd422SAustin Zhang /* Chunghwa Telecom touch panels */ 1866dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18672c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, 1868942fd422SAustin Zhang USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, 1869942fd422SAustin Zhang 1870070f63b4SYang Bo /* CJTouch panels */ 1871070f63b4SYang Bo { .driver_data = MT_CLS_NSMU, 1872070f63b4SYang Bo MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, 1873070f63b4SYang Bo USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020) }, 1874070f63b4SYang Bo { .driver_data = MT_CLS_NSMU, 1875070f63b4SYang Bo MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH, 1876070f63b4SYang Bo USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) }, 1877070f63b4SYang Bo 187879603dc9SBenjamin Tissoires /* CVTouch panels */ 1879dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 18802c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, 188179603dc9SBenjamin Tissoires USB_DEVICE_ID_CVTOUCH_SCREEN) }, 188279603dc9SBenjamin Tissoires 188322408283SBenjamin Tissoires /* eGalax devices (resistive) */ 188422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18852c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1886e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, 188722408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18882c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1889e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, 189022408283SBenjamin Tissoires 189122408283SBenjamin Tissoires /* eGalax devices (capacitive) */ 1892fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18932c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1894fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, 189522408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 18962c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1897e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, 1898fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 18992c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1900fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, 19012ce09df4SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19022c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 19032ce09df4SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, 190422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19052c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 190622408283SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, 1907fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19082c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1909fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, 191022408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 19112c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 191222408283SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, 191322408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 191422408283SBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1915e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, 1916fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19172c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1918fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, 19191fd8f047SChris Bagwell { .driver_data = MT_CLS_EGALAX, 1920aa672da1SAndy Shevchenko HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 1921aa672da1SAndy Shevchenko USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, 1922aa672da1SAndy Shevchenko { .driver_data = MT_CLS_EGALAX, 1923aa672da1SAndy Shevchenko HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 1924aa672da1SAndy Shevchenko USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, 1925aa672da1SAndy Shevchenko { .driver_data = MT_CLS_EGALAX, 19262c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 192766f06127SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, 192866f06127SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 19292c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1930bb9ff210SMarek Vasut USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, 19311b723e8dSBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19322c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1933fd1d1525SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, 1934fd1d1525SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 19352c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1936ae01c9e5SThierry Reding USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, 1937ae01c9e5SThierry Reding { .driver_data = MT_CLS_EGALAX_SERIAL, 1938ae01c9e5SThierry Reding MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1939e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, 1940f9e82295SSebastian Reichel { .driver_data = MT_CLS_EGALAX, 1941f9e82295SSebastian Reichel MT_USB_DEVICE(USB_VENDOR_ID_DWAV, 1942f9e82295SSebastian Reichel USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) }, 194322408283SBenjamin Tissoires 194440d5bb87SBenjamin Tissoires /* Elan devices */ 194540d5bb87SBenjamin Tissoires { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 194640d5bb87SBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 194740d5bb87SBenjamin Tissoires USB_VENDOR_ID_ELAN, 0x313a) }, 194840d5bb87SBenjamin Tissoires 19497c7606a2STomas Sokorai /* Elitegroup panel */ 19507c7606a2STomas Sokorai { .driver_data = MT_CLS_SERIAL, 19517c7606a2STomas Sokorai MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, 19527c7606a2STomas Sokorai USB_DEVICE_ID_ELITEGROUP_05D8) }, 19537c7606a2STomas Sokorai 195477723e3bSHenrik Rydberg /* Flatfrog Panels */ 195577723e3bSHenrik Rydberg { .driver_data = MT_CLS_FLATFROG, 195677723e3bSHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, 195777723e3bSHenrik Rydberg USB_DEVICE_ID_MULTITOUCH_3200) }, 195877723e3bSHenrik Rydberg 19593db187e7SBenjamin Tissoires /* FocalTech Panels */ 19603db187e7SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 19613db187e7SBenjamin Tissoires MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, 19623db187e7SBenjamin Tissoires USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, 19633db187e7SBenjamin Tissoires 19645572da08SBenjamin Tissoires /* GeneralTouch panel */ 1965f5ff4e1eSXianhan Yu { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, 19662c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19675572da08SBenjamin Tissoires USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, 1968f5ff4e1eSXianhan Yu { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 1969f5ff4e1eSXianhan Yu MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 1970f5ff4e1eSXianhan Yu USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, 19717b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, 19727b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19737b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) }, 19747b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19757b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19767b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) }, 19777b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19787b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19797b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) }, 19807b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19817b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19827b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) }, 19837b226292SLuosong { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, 19847b226292SLuosong MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 19857b226292SLuosong USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) }, 19865572da08SBenjamin Tissoires 19874d5df5d1SAndreas Nielsen /* Gametel game controller */ 1988dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19892c2110e9SHenrik Rydberg MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, 19904d5df5d1SAndreas Nielsen USB_DEVICE_ID_GAMETEL_MT_MODE) }, 19914d5df5d1SAndreas Nielsen 1992ee0fbd14SBenjamin Tissoires /* GoodTouch panels */ 1993dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 19942c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, 1995ee0fbd14SBenjamin Tissoires USB_DEVICE_ID_GOODTOUCH_000f) }, 1996ee0fbd14SBenjamin Tissoires 199754580365SBenjamin Tissoires /* Hanvon panels */ 199854580365SBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 19992c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, 200054580365SBenjamin Tissoires USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, 200154580365SBenjamin Tissoires 20024e61f0d7SAustin Zhang /* Ilitek dual touch panel */ 2003dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20042c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, 20054e61f0d7SAustin Zhang USB_DEVICE_ID_ILITEK_MULTITOUCH) }, 20064e61f0d7SAustin Zhang 2007f3287a99SBenjamin Tissoires /* LG Melfas panel */ 2008f3287a99SBenjamin Tissoires { .driver_data = MT_CLS_LG, 2009f3287a99SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_LG, 2010f3287a99SBenjamin Tissoires USB_DEVICE_ID_LG_MELFAS_MT) }, 2011348b80b2SAaron Ma { .driver_data = MT_CLS_LG, 2012348b80b2SAaron Ma HID_DEVICE(BUS_I2C, HID_GROUP_GENERIC, 2013348b80b2SAaron Ma USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_7010) }, 2014f3287a99SBenjamin Tissoires 20154a6a4c96SMikael Wikström /* Lenovo X1 TAB Gen 2 */ 20164a6a4c96SMikael Wikström { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 20174a6a4c96SMikael Wikström HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 20184a6a4c96SMikael Wikström USB_VENDOR_ID_LENOVO, 20194a6a4c96SMikael Wikström USB_DEVICE_ID_LENOVO_X1_TAB) }, 20204a6a4c96SMikael Wikström 2021140958daSMikael Wikström /* Lenovo X1 TAB Gen 3 */ 2022140958daSMikael Wikström { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 2023140958daSMikael Wikström HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, 2024140958daSMikael Wikström USB_VENDOR_ID_LENOVO, 2025140958daSMikael Wikström USB_DEVICE_ID_LENOVO_X1_TAB3) }, 2026140958daSMikael Wikström 20274a6ee685SBenjamin Tissoires /* MosArt panels */ 20284a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 20292c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ASUS, 20304a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUS_T91MT)}, 20314a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 20322c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_ASUS, 20334a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, 20344a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 20352c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, 20364a6ee685SBenjamin Tissoires USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, 20374a6ee685SBenjamin Tissoires 20384db703eaSAustin Hendrix /* Novatek Panel */ 2039dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 20404380d819SJiri Kosina MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, 20414db703eaSAustin Hendrix USB_DEVICE_ID_NOVATEK_PCT) }, 20424db703eaSAustin Hendrix 2043a80e803aSBenjamin Tissoires /* Ntrig Panel */ 2044a80e803aSBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 2045a80e803aSBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 2046a80e803aSBenjamin Tissoires USB_VENDOR_ID_NTRIG, 0x1b05) }, 2047a80e803aSBenjamin Tissoires 2048fb55b402SHans de Goede /* Panasonic panels */ 2049fb55b402SHans de Goede { .driver_data = MT_CLS_PANASONIC, 2050fb55b402SHans de Goede MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, 2051fb55b402SHans de Goede USB_DEVICE_ID_PANABOARD_UBT780) }, 2052fb55b402SHans de Goede { .driver_data = MT_CLS_PANASONIC, 2053fb55b402SHans de Goede MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, 2054fb55b402SHans de Goede USB_DEVICE_ID_PANABOARD_UBT880) }, 2055fb55b402SHans de Goede 2056b7ea95ffSAaron Tian /* PixArt optical touch screen */ 2057b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 20582c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 2059b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, 2060b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 20612c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 2062b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, 2063b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 20642c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_PIXART, 2065b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, 2066b7ea95ffSAaron Tian 20675519cab4SBenjamin Tissoires /* PixCir-based panels */ 20681e9cf35bSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 20692c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_CANDO, 20705519cab4SBenjamin Tissoires USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, 20715519cab4SBenjamin Tissoires 20725e7ea11fSBenjamin Tissoires /* Quanta-based panels */ 20735e7ea11fSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, 20742c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, 20755e7ea11fSBenjamin Tissoires USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, 2076a6802e00SForest Bond 2077843e475fSBenjamin Tissoires /* Razer touchpads */ 2078843e475fSBenjamin Tissoires { .driver_data = MT_CLS_RAZER_BLADE_STEALTH, 2079843e475fSBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 2080843e475fSBenjamin Tissoires USB_VENDOR_ID_SYNAPTICS, 0x8323) }, 2081843e475fSBenjamin Tissoires 208269ecd44dSBenjamin Tissoires /* Smart Tech panels */ 208369ecd44dSBenjamin Tissoires { .driver_data = MT_CLS_SMART_TECH, 208469ecd44dSBenjamin Tissoires MT_USB_DEVICE(0x0b8c, 0x0092)}, 208569ecd44dSBenjamin Tissoires 2086043b403aSBenjamin Tissoires /* Stantum panels */ 2087bf5af9b5SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE, 20882c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, 2089043b403aSBenjamin Tissoires USB_DEVICE_ID_MTP_STM)}, 2090043b403aSBenjamin Tissoires 209140d5bb87SBenjamin Tissoires /* Synaptics devices */ 209240d5bb87SBenjamin Tissoires { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 209340d5bb87SBenjamin Tissoires HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 209440d5bb87SBenjamin Tissoires USB_VENDOR_ID_SYNAPTICS, 0xce08) }, 209540d5bb87SBenjamin Tissoires 2096c3d6eb6eSKai-Heng Feng { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, 2097c3d6eb6eSKai-Heng Feng HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, 2098c3d6eb6eSKai-Heng Feng USB_VENDOR_ID_SYNAPTICS, 0xce09) }, 2099c3d6eb6eSKai-Heng Feng 2100847672cdSBenjamin Tissoires /* TopSeed panels */ 2101847672cdSBenjamin Tissoires { .driver_data = MT_CLS_TOPSEED, 21022c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, 2103847672cdSBenjamin Tissoires USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, 2104847672cdSBenjamin Tissoires 21055e74e56dSBenjamin Tissoires /* Touch International panels */ 2106dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21072c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, 21085e74e56dSBenjamin Tissoires USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, 21095e74e56dSBenjamin Tissoires 2110617b64f9SBenjamin Tissoires /* Unitec panels */ 2111dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21122c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, 2113617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, 2114dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21152c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, 2116617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, 2117bf9d121eSKaiChung Cheng 2118da10bc25SMathieu Magnaudet /* VTL panels */ 2119da10bc25SMathieu Magnaudet { .driver_data = MT_CLS_VTL, 2120da10bc25SMathieu Magnaudet MT_USB_DEVICE(USB_VENDOR_ID_VTL, 2121da10bc25SMathieu Magnaudet USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) }, 2122da10bc25SMathieu Magnaudet 2123bf9d121eSKaiChung Cheng /* Wistron panels */ 2124bf9d121eSKaiChung Cheng { .driver_data = MT_CLS_NSMU, 2125bf9d121eSKaiChung Cheng MT_USB_DEVICE(USB_VENDOR_ID_WISTRON, 2126bf9d121eSKaiChung Cheng USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) }, 2127bf9d121eSKaiChung Cheng 2128bc8a2a9bSice chien /* XAT */ 2129dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21302c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XAT, 2131bc8a2a9bSice chien USB_DEVICE_ID_XAT_CSR) }, 2132617b64f9SBenjamin Tissoires 213311576c61SMasatoshi Hoshikawa /* Xiroku */ 2134dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21352c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 213611576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX) }, 2137dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21382c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 213911576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX) }, 2140dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21412c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 214211576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR) }, 2143dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21442c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 214511576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX1) }, 2146dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21472c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 214811576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX1) }, 2149dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21502c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 215111576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR1) }, 2152dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21532c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 215411576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX2) }, 2155dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21562c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 215711576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX2) }, 2158dc3e1d80SBenjamin Tissoires { .driver_data = MT_CLS_NSMU, 21592c2110e9SHenrik Rydberg MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, 216011576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR2) }, 216111576c61SMasatoshi Hoshikawa 21620e82232cSWei-Ning Huang /* Google MT devices */ 21630e82232cSWei-Ning Huang { .driver_data = MT_CLS_GOOGLE, 21640e82232cSWei-Ning Huang HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, 21650e82232cSWei-Ning Huang USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, 21660e82232cSWei-Ning Huang 21674fa3a583SHenrik Rydberg /* Generic MT device */ 21684fa3a583SHenrik Rydberg { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, 2169f961bd35SBenjamin Tissoires 2170f961bd35SBenjamin Tissoires /* Generic Win 8 certified MT device */ 2171f961bd35SBenjamin Tissoires { .driver_data = MT_CLS_WIN_8, 2172f961bd35SBenjamin Tissoires HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8, 2173f961bd35SBenjamin Tissoires HID_ANY_ID, HID_ANY_ID) }, 21745519cab4SBenjamin Tissoires { } 21755519cab4SBenjamin Tissoires }; 21765519cab4SBenjamin Tissoires MODULE_DEVICE_TABLE(hid, mt_devices); 21775519cab4SBenjamin Tissoires 21785519cab4SBenjamin Tissoires static const struct hid_usage_id mt_grabbed_usages[] = { 21795519cab4SBenjamin Tissoires { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, 21805519cab4SBenjamin Tissoires { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} 21815519cab4SBenjamin Tissoires }; 21825519cab4SBenjamin Tissoires 21835519cab4SBenjamin Tissoires static struct hid_driver mt_driver = { 21845519cab4SBenjamin Tissoires .name = "hid-multitouch", 21855519cab4SBenjamin Tissoires .id_table = mt_devices, 21865519cab4SBenjamin Tissoires .probe = mt_probe, 21875519cab4SBenjamin Tissoires .remove = mt_remove, 21885519cab4SBenjamin Tissoires .input_mapping = mt_input_mapping, 21895519cab4SBenjamin Tissoires .input_mapped = mt_input_mapped, 219076f5902aSHenrik Rydberg .input_configured = mt_input_configured, 21915519cab4SBenjamin Tissoires .feature_mapping = mt_feature_mapping, 21925519cab4SBenjamin Tissoires .usage_table = mt_grabbed_usages, 21935519cab4SBenjamin Tissoires .event = mt_event, 219455978fa9SBenjamin Tissoires .report = mt_report, 21955519cab4SBenjamin Tissoires #ifdef CONFIG_PM 2196c7aa374eSBlaž Hrastnik .suspend = mt_suspend, 21975519cab4SBenjamin Tissoires .reset_resume = mt_reset_resume, 2198dfeefd10SScott Liu .resume = mt_resume, 21995519cab4SBenjamin Tissoires #endif 22005519cab4SBenjamin Tissoires }; 2201f425458eSH Hartley Sweeten module_hid_driver(mt_driver); 2202