15519cab4SBenjamin Tissoires /* 25519cab4SBenjamin Tissoires * HID driver for multitouch panels 35519cab4SBenjamin Tissoires * 4c2ef8f21SBenjamin Tissoires * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> 5c2ef8f21SBenjamin Tissoires * Copyright (c) 2010-2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> 6c2ef8f21SBenjamin Tissoires * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France 75519cab4SBenjamin Tissoires * 84875ac11SRichard Nauber * This code is partly based on hid-egalax.c: 94875ac11SRichard Nauber * 104875ac11SRichard Nauber * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> 114875ac11SRichard Nauber * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> 124875ac11SRichard Nauber * Copyright (c) 2010 Canonical, Ltd. 134875ac11SRichard Nauber * 14f786bba4SBenjamin Tissoires * This code is partly based on hid-3m-pct.c: 15f786bba4SBenjamin Tissoires * 16f786bba4SBenjamin Tissoires * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> 17f786bba4SBenjamin Tissoires * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> 18f786bba4SBenjamin Tissoires * Copyright (c) 2010 Canonical, Ltd. 19f786bba4SBenjamin Tissoires * 205519cab4SBenjamin Tissoires */ 215519cab4SBenjamin Tissoires 225519cab4SBenjamin Tissoires /* 235519cab4SBenjamin Tissoires * This program is free software; you can redistribute it and/or modify it 245519cab4SBenjamin Tissoires * under the terms of the GNU General Public License as published by the Free 255519cab4SBenjamin Tissoires * Software Foundation; either version 2 of the License, or (at your option) 265519cab4SBenjamin Tissoires * any later version. 275519cab4SBenjamin Tissoires */ 285519cab4SBenjamin Tissoires 295519cab4SBenjamin Tissoires #include <linux/device.h> 305519cab4SBenjamin Tissoires #include <linux/hid.h> 315519cab4SBenjamin Tissoires #include <linux/module.h> 325519cab4SBenjamin Tissoires #include <linux/slab.h> 335519cab4SBenjamin Tissoires #include <linux/usb.h> 345519cab4SBenjamin Tissoires #include <linux/input/mt.h> 355519cab4SBenjamin Tissoires #include "usbhid/usbhid.h" 365519cab4SBenjamin Tissoires 375519cab4SBenjamin Tissoires 385519cab4SBenjamin Tissoires MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); 39ef2fafb3SBenjamin Tissoires MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); 405519cab4SBenjamin Tissoires MODULE_DESCRIPTION("HID multitouch panels"); 415519cab4SBenjamin Tissoires MODULE_LICENSE("GPL"); 425519cab4SBenjamin Tissoires 435519cab4SBenjamin Tissoires #include "hid-ids.h" 445519cab4SBenjamin Tissoires 455519cab4SBenjamin Tissoires /* quirks to control the device */ 465519cab4SBenjamin Tissoires #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0) 475519cab4SBenjamin Tissoires #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1) 48a3b5e577SBenjamin Tissoires #define MT_QUIRK_CYPRESS (1 << 2) 495572da08SBenjamin Tissoires #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3) 50a062cc5aSStephane Chatty #define MT_QUIRK_ALWAYS_VALID (1 << 4) 51a062cc5aSStephane Chatty #define MT_QUIRK_VALID_IS_INRANGE (1 << 5) 52a062cc5aSStephane Chatty #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6) 53a062cc5aSStephane Chatty #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8) 545519cab4SBenjamin Tissoires 555519cab4SBenjamin Tissoires struct mt_slot { 565519cab4SBenjamin Tissoires __s32 x, y, p, w, h; 575519cab4SBenjamin Tissoires __s32 contactid; /* the device ContactID assigned to this slot */ 585519cab4SBenjamin Tissoires bool touch_state; /* is the touch valid? */ 595519cab4SBenjamin Tissoires bool seen_in_this_frame;/* has this slot been updated */ 605519cab4SBenjamin Tissoires }; 615519cab4SBenjamin Tissoires 625519cab4SBenjamin Tissoires struct mt_class { 632d93666eSBenjamin Tissoires __s32 name; /* MT_CLS */ 645519cab4SBenjamin Tissoires __s32 quirks; 655519cab4SBenjamin Tissoires __s32 sn_move; /* Signal/noise ratio for move events */ 66f786bba4SBenjamin Tissoires __s32 sn_width; /* Signal/noise ratio for width events */ 67f786bba4SBenjamin Tissoires __s32 sn_height; /* Signal/noise ratio for height events */ 685519cab4SBenjamin Tissoires __s32 sn_pressure; /* Signal/noise ratio for pressure events */ 695519cab4SBenjamin Tissoires __u8 maxcontacts; 70c2ef8f21SBenjamin Tissoires bool is_indirect; /* true for touchpads */ 715519cab4SBenjamin Tissoires }; 725519cab4SBenjamin Tissoires 735519cab4SBenjamin Tissoires struct mt_device { 745519cab4SBenjamin Tissoires struct mt_slot curdata; /* placeholder of incoming data */ 75eec29e3dSBenjamin Tissoires struct mt_class mtclass; /* our mt device class */ 765519cab4SBenjamin Tissoires unsigned last_field_index; /* last field index of the report */ 775519cab4SBenjamin Tissoires unsigned last_slot_field; /* the last field of a slot */ 785519cab4SBenjamin Tissoires int last_mt_collection; /* last known mt-related collection */ 795519cab4SBenjamin Tissoires __s8 inputmode; /* InputMode HID feature, -1 if non-existent */ 8031ae9bddSBenjamin Tissoires __s8 maxcontact_report_id; /* Maximum Contact Number HID feature, 8131ae9bddSBenjamin Tissoires -1 if non-existent */ 825519cab4SBenjamin Tissoires __u8 num_received; /* how many contacts we received */ 835519cab4SBenjamin Tissoires __u8 num_expected; /* expected last contact index */ 845519cab4SBenjamin Tissoires __u8 maxcontacts; 855519cab4SBenjamin Tissoires bool curvalid; /* is the current contact valid? */ 865519cab4SBenjamin Tissoires struct mt_slot *slots; 875519cab4SBenjamin Tissoires }; 885519cab4SBenjamin Tissoires 895519cab4SBenjamin Tissoires /* classes of device behavior */ 9022408283SBenjamin Tissoires #define MT_CLS_DEFAULT 0x0001 9122408283SBenjamin Tissoires 92a062cc5aSStephane Chatty #define MT_CLS_SERIAL 0x0002 93a062cc5aSStephane Chatty #define MT_CLS_CONFIDENCE 0x0003 945e7ea11fSBenjamin Tissoires #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 955e7ea11fSBenjamin Tissoires #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 965e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 975e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 985e7ea11fSBenjamin Tissoires #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008 99b7ea95ffSAaron Tian #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 10022408283SBenjamin Tissoires 10122408283SBenjamin Tissoires /* vendor specific classes */ 10222408283SBenjamin Tissoires #define MT_CLS_3M 0x0101 10322408283SBenjamin Tissoires #define MT_CLS_CYPRESS 0x0102 10422408283SBenjamin Tissoires #define MT_CLS_EGALAX 0x0103 1051b723e8dSBenjamin Tissoires #define MT_CLS_EGALAX_SERIAL 0x0104 106*847672cdSBenjamin Tissoires #define MT_CLS_TOPSEED 0x0105 1075519cab4SBenjamin Tissoires 1089498f954SBenjamin Tissoires #define MT_DEFAULT_MAXCONTACT 10 1099498f954SBenjamin Tissoires 1105519cab4SBenjamin Tissoires /* 1115519cab4SBenjamin Tissoires * these device-dependent functions determine what slot corresponds 1125519cab4SBenjamin Tissoires * to a valid contact that was just read. 1135519cab4SBenjamin Tissoires */ 1145519cab4SBenjamin Tissoires 115a3b5e577SBenjamin Tissoires static int cypress_compute_slot(struct mt_device *td) 116a3b5e577SBenjamin Tissoires { 117a3b5e577SBenjamin Tissoires if (td->curdata.contactid != 0 || td->num_received == 0) 118a3b5e577SBenjamin Tissoires return td->curdata.contactid; 119a3b5e577SBenjamin Tissoires else 120a3b5e577SBenjamin Tissoires return -1; 121a3b5e577SBenjamin Tissoires } 122a3b5e577SBenjamin Tissoires 1235519cab4SBenjamin Tissoires static int find_slot_from_contactid(struct mt_device *td) 1245519cab4SBenjamin Tissoires { 1255519cab4SBenjamin Tissoires int i; 1269498f954SBenjamin Tissoires for (i = 0; i < td->maxcontacts; ++i) { 1275519cab4SBenjamin Tissoires if (td->slots[i].contactid == td->curdata.contactid && 1285519cab4SBenjamin Tissoires td->slots[i].touch_state) 1295519cab4SBenjamin Tissoires return i; 1305519cab4SBenjamin Tissoires } 1319498f954SBenjamin Tissoires for (i = 0; i < td->maxcontacts; ++i) { 1325519cab4SBenjamin Tissoires if (!td->slots[i].seen_in_this_frame && 1335519cab4SBenjamin Tissoires !td->slots[i].touch_state) 1345519cab4SBenjamin Tissoires return i; 1355519cab4SBenjamin Tissoires } 1365519cab4SBenjamin Tissoires /* should not occurs. If this happens that means 1375519cab4SBenjamin Tissoires * that the device sent more touches that it says 1385519cab4SBenjamin Tissoires * in the report descriptor. It is ignored then. */ 1392d93666eSBenjamin Tissoires return -1; 1405519cab4SBenjamin Tissoires } 1415519cab4SBenjamin Tissoires 142b3c21d2cSJiri Kosina static struct mt_class mt_classes[] = { 1432d93666eSBenjamin Tissoires { .name = MT_CLS_DEFAULT, 1449498f954SBenjamin Tissoires .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, 145a062cc5aSStephane Chatty { .name = MT_CLS_SERIAL, 146a062cc5aSStephane Chatty .quirks = MT_QUIRK_ALWAYS_VALID}, 14722408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE, 14822408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, 1495e7ea11fSBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_CONTACT_ID, 1505e7ea11fSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 1515e7ea11fSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID }, 15222408283SBenjamin Tissoires { .name = MT_CLS_CONFIDENCE_MINUS_ONE, 15322408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 15422408283SBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, 1551e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTID, 1562d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 1572d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID, 1582d93666eSBenjamin Tissoires .maxcontacts = 2 }, 1591e9cf35bSBenjamin Tissoires { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 1602d93666eSBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_INRANGE | 1612d93666eSBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTNUMBER, 1622d93666eSBenjamin Tissoires .maxcontacts = 2 }, 16322408283SBenjamin Tissoires { .name = MT_CLS_DUAL_NSMU_CONTACTID, 16422408283SBenjamin Tissoires .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 16522408283SBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID, 16622408283SBenjamin Tissoires .maxcontacts = 2 }, 167b7ea95ffSAaron Tian { .name = MT_CLS_INRANGE_CONTACTNUMBER, 168b7ea95ffSAaron Tian .quirks = MT_QUIRK_VALID_IS_INRANGE | 169b7ea95ffSAaron Tian MT_QUIRK_SLOT_IS_CONTACTNUMBER }, 17022408283SBenjamin Tissoires 17122408283SBenjamin Tissoires /* 17222408283SBenjamin Tissoires * vendor specific classes 17322408283SBenjamin Tissoires */ 17422408283SBenjamin Tissoires { .name = MT_CLS_3M, 17522408283SBenjamin Tissoires .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | 17622408283SBenjamin Tissoires MT_QUIRK_SLOT_IS_CONTACTID, 17722408283SBenjamin Tissoires .sn_move = 2048, 17822408283SBenjamin Tissoires .sn_width = 128, 17922408283SBenjamin Tissoires .sn_height = 128 }, 1802d93666eSBenjamin Tissoires { .name = MT_CLS_CYPRESS, 1812d93666eSBenjamin Tissoires .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | 1822d93666eSBenjamin Tissoires MT_QUIRK_CYPRESS, 1832d93666eSBenjamin Tissoires .maxcontacts = 10 }, 1844875ac11SRichard Nauber { .name = MT_CLS_EGALAX, 1854875ac11SRichard Nauber .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 1862261bb9fSBenjamin Tissoires MT_QUIRK_VALID_IS_INRANGE, 1874875ac11SRichard Nauber .sn_move = 4096, 1884875ac11SRichard Nauber .sn_pressure = 32, 1894875ac11SRichard Nauber }, 1901b723e8dSBenjamin Tissoires { .name = MT_CLS_EGALAX_SERIAL, 1911b723e8dSBenjamin Tissoires .quirks = MT_QUIRK_SLOT_IS_CONTACTID | 1921b723e8dSBenjamin Tissoires MT_QUIRK_ALWAYS_VALID, 1932d93666eSBenjamin Tissoires .sn_move = 4096, 1942d93666eSBenjamin Tissoires .sn_pressure = 32, 1952d93666eSBenjamin Tissoires }, 196*847672cdSBenjamin Tissoires { .name = MT_CLS_TOPSEED, 197*847672cdSBenjamin Tissoires .quirks = MT_QUIRK_ALWAYS_VALID, 198*847672cdSBenjamin Tissoires .is_indirect = true, 199*847672cdSBenjamin Tissoires .maxcontacts = 2, 200*847672cdSBenjamin Tissoires }, 201043b403aSBenjamin Tissoires 2022d93666eSBenjamin Tissoires { } 2035519cab4SBenjamin Tissoires }; 2045519cab4SBenjamin Tissoires 205eec29e3dSBenjamin Tissoires static ssize_t mt_show_quirks(struct device *dev, 206eec29e3dSBenjamin Tissoires struct device_attribute *attr, 207eec29e3dSBenjamin Tissoires char *buf) 208eec29e3dSBenjamin Tissoires { 209eec29e3dSBenjamin Tissoires struct hid_device *hdev = container_of(dev, struct hid_device, dev); 210eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 211eec29e3dSBenjamin Tissoires 212eec29e3dSBenjamin Tissoires return sprintf(buf, "%u\n", td->mtclass.quirks); 213eec29e3dSBenjamin Tissoires } 214eec29e3dSBenjamin Tissoires 215eec29e3dSBenjamin Tissoires static ssize_t mt_set_quirks(struct device *dev, 216eec29e3dSBenjamin Tissoires struct device_attribute *attr, 217eec29e3dSBenjamin Tissoires const char *buf, size_t count) 218eec29e3dSBenjamin Tissoires { 219eec29e3dSBenjamin Tissoires struct hid_device *hdev = container_of(dev, struct hid_device, dev); 220eec29e3dSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 221eec29e3dSBenjamin Tissoires 222eec29e3dSBenjamin Tissoires unsigned long val; 223eec29e3dSBenjamin Tissoires 224eec29e3dSBenjamin Tissoires if (kstrtoul(buf, 0, &val)) 225eec29e3dSBenjamin Tissoires return -EINVAL; 226eec29e3dSBenjamin Tissoires 227eec29e3dSBenjamin Tissoires td->mtclass.quirks = val; 228eec29e3dSBenjamin Tissoires 229eec29e3dSBenjamin Tissoires return count; 230eec29e3dSBenjamin Tissoires } 231eec29e3dSBenjamin Tissoires 232eec29e3dSBenjamin Tissoires static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); 233eec29e3dSBenjamin Tissoires 234eec29e3dSBenjamin Tissoires static struct attribute *sysfs_attrs[] = { 235eec29e3dSBenjamin Tissoires &dev_attr_quirks.attr, 236eec29e3dSBenjamin Tissoires NULL 237eec29e3dSBenjamin Tissoires }; 238eec29e3dSBenjamin Tissoires 239eec29e3dSBenjamin Tissoires static struct attribute_group mt_attribute_group = { 240eec29e3dSBenjamin Tissoires .attrs = sysfs_attrs 241eec29e3dSBenjamin Tissoires }; 242eec29e3dSBenjamin Tissoires 243f635bd11SHenrik Rydberg static void mt_feature_mapping(struct hid_device *hdev, 2445519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage) 2455519cab4SBenjamin Tissoires { 2465519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 2479498f954SBenjamin Tissoires 2489498f954SBenjamin Tissoires switch (usage->hid) { 2499498f954SBenjamin Tissoires case HID_DG_INPUTMODE: 2505519cab4SBenjamin Tissoires td->inputmode = field->report->id; 2519498f954SBenjamin Tissoires break; 2529498f954SBenjamin Tissoires case HID_DG_CONTACTMAX: 25331ae9bddSBenjamin Tissoires td->maxcontact_report_id = field->report->id; 2549498f954SBenjamin Tissoires td->maxcontacts = field->value[0]; 255eec29e3dSBenjamin Tissoires if (td->mtclass.maxcontacts) 2569498f954SBenjamin Tissoires /* check if the maxcontacts is given by the class */ 257eec29e3dSBenjamin Tissoires td->maxcontacts = td->mtclass.maxcontacts; 2589498f954SBenjamin Tissoires 2599498f954SBenjamin Tissoires break; 2605519cab4SBenjamin Tissoires } 2615519cab4SBenjamin Tissoires } 2625519cab4SBenjamin Tissoires 2635519cab4SBenjamin Tissoires static void set_abs(struct input_dev *input, unsigned int code, 2645519cab4SBenjamin Tissoires struct hid_field *field, int snratio) 2655519cab4SBenjamin Tissoires { 2665519cab4SBenjamin Tissoires int fmin = field->logical_minimum; 2675519cab4SBenjamin Tissoires int fmax = field->logical_maximum; 2685519cab4SBenjamin Tissoires int fuzz = snratio ? (fmax - fmin) / snratio : 0; 2695519cab4SBenjamin Tissoires input_set_abs_params(input, code, fmin, fmax, fuzz, 0); 2705519cab4SBenjamin Tissoires } 2715519cab4SBenjamin Tissoires 2725519cab4SBenjamin Tissoires static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, 2735519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 2745519cab4SBenjamin Tissoires unsigned long **bit, int *max) 2755519cab4SBenjamin Tissoires { 2765519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 277eec29e3dSBenjamin Tissoires struct mt_class *cls = &td->mtclass; 278c2ef8f21SBenjamin Tissoires int code; 2794875ac11SRichard Nauber 280658d4aedSJeff Brown /* Only map fields from TouchScreen or TouchPad collections. 281658d4aedSJeff Brown * We need to ignore fields that belong to other collections 282658d4aedSJeff Brown * such as Mouse that might have the same GenericDesktop usages. */ 283658d4aedSJeff Brown if (field->application == HID_DG_TOUCHSCREEN) 284658d4aedSJeff Brown set_bit(INPUT_PROP_DIRECT, hi->input->propbit); 285c2ef8f21SBenjamin Tissoires else if (field->application != HID_DG_TOUCHPAD) 286658d4aedSJeff Brown return 0; 287658d4aedSJeff Brown 288c2ef8f21SBenjamin Tissoires /* In case of an indirect device (touchpad), we need to add 289c2ef8f21SBenjamin Tissoires * specific BTN_TOOL_* to be handled by the synaptics xorg 290c2ef8f21SBenjamin Tissoires * driver. 291c2ef8f21SBenjamin Tissoires * We also consider that touchscreens providing buttons are touchpads. 292c2ef8f21SBenjamin Tissoires */ 293c2ef8f21SBenjamin Tissoires if (field->application == HID_DG_TOUCHPAD || 294c2ef8f21SBenjamin Tissoires (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON || 295c2ef8f21SBenjamin Tissoires cls->is_indirect) { 296c2ef8f21SBenjamin Tissoires set_bit(INPUT_PROP_POINTER, hi->input->propbit); 297c2ef8f21SBenjamin Tissoires set_bit(BTN_TOOL_FINGER, hi->input->keybit); 298c2ef8f21SBenjamin Tissoires set_bit(BTN_TOOL_DOUBLETAP, hi->input->keybit); 299c2ef8f21SBenjamin Tissoires set_bit(BTN_TOOL_TRIPLETAP, hi->input->keybit); 300c2ef8f21SBenjamin Tissoires set_bit(BTN_TOOL_QUADTAP, hi->input->keybit); 301c2ef8f21SBenjamin Tissoires } 302c2ef8f21SBenjamin Tissoires 3032261bb9fSBenjamin Tissoires /* eGalax devices provide a Digitizer.Stylus input which overrides 3042261bb9fSBenjamin Tissoires * the correct Digitizers.Finger X/Y ranges. 3052261bb9fSBenjamin Tissoires * Let's just ignore this input. */ 3062261bb9fSBenjamin Tissoires if (field->physical == HID_DG_STYLUS) 3072261bb9fSBenjamin Tissoires return -1; 3082261bb9fSBenjamin Tissoires 3095519cab4SBenjamin Tissoires switch (usage->hid & HID_USAGE_PAGE) { 3105519cab4SBenjamin Tissoires 3115519cab4SBenjamin Tissoires case HID_UP_GENDESK: 3125519cab4SBenjamin Tissoires switch (usage->hid) { 3135519cab4SBenjamin Tissoires case HID_GD_X: 3145519cab4SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, 3155519cab4SBenjamin Tissoires EV_ABS, ABS_MT_POSITION_X); 3165519cab4SBenjamin Tissoires set_abs(hi->input, ABS_MT_POSITION_X, field, 3175519cab4SBenjamin Tissoires cls->sn_move); 3185519cab4SBenjamin Tissoires /* touchscreen emulation */ 3195519cab4SBenjamin Tissoires set_abs(hi->input, ABS_X, field, cls->sn_move); 320b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) { 3215519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 3222955caedSBenjamin Tissoires td->last_field_index = field->index; 323b84bd27fSBenjamin Tissoires } 3245519cab4SBenjamin Tissoires return 1; 3255519cab4SBenjamin Tissoires case HID_GD_Y: 3265519cab4SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, 3275519cab4SBenjamin Tissoires EV_ABS, ABS_MT_POSITION_Y); 3285519cab4SBenjamin Tissoires set_abs(hi->input, ABS_MT_POSITION_Y, field, 3295519cab4SBenjamin Tissoires cls->sn_move); 3305519cab4SBenjamin Tissoires /* touchscreen emulation */ 3315519cab4SBenjamin Tissoires set_abs(hi->input, ABS_Y, field, cls->sn_move); 332b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) { 3335519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 3342955caedSBenjamin Tissoires td->last_field_index = field->index; 335b84bd27fSBenjamin Tissoires } 3365519cab4SBenjamin Tissoires return 1; 3375519cab4SBenjamin Tissoires } 3385519cab4SBenjamin Tissoires return 0; 3395519cab4SBenjamin Tissoires 3405519cab4SBenjamin Tissoires case HID_UP_DIGITIZER: 3415519cab4SBenjamin Tissoires switch (usage->hid) { 3425519cab4SBenjamin Tissoires case HID_DG_INRANGE: 343b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) { 3445519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 3452955caedSBenjamin Tissoires td->last_field_index = field->index; 346b84bd27fSBenjamin Tissoires } 3475519cab4SBenjamin Tissoires return 1; 3485519cab4SBenjamin Tissoires case HID_DG_CONFIDENCE: 349b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) { 3505519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 3512955caedSBenjamin Tissoires td->last_field_index = field->index; 352b84bd27fSBenjamin Tissoires } 3535519cab4SBenjamin Tissoires return 1; 3545519cab4SBenjamin Tissoires case HID_DG_TIPSWITCH: 3555519cab4SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); 3565519cab4SBenjamin Tissoires input_set_capability(hi->input, EV_KEY, BTN_TOUCH); 357b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) { 3585519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 3592955caedSBenjamin Tissoires td->last_field_index = field->index; 360b84bd27fSBenjamin Tissoires } 3615519cab4SBenjamin Tissoires return 1; 3625519cab4SBenjamin Tissoires case HID_DG_CONTACTID: 36350bc03abSBenjamin Tissoires if (!td->maxcontacts) 36450bc03abSBenjamin Tissoires td->maxcontacts = MT_DEFAULT_MAXCONTACT; 3659498f954SBenjamin Tissoires input_mt_init_slots(hi->input, td->maxcontacts); 3665519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 3672955caedSBenjamin Tissoires td->last_field_index = field->index; 368b84bd27fSBenjamin Tissoires td->last_mt_collection = usage->collection_index; 3695519cab4SBenjamin Tissoires return 1; 3705519cab4SBenjamin Tissoires case HID_DG_WIDTH: 3715519cab4SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, 3725519cab4SBenjamin Tissoires EV_ABS, ABS_MT_TOUCH_MAJOR); 373f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, 374f786bba4SBenjamin Tissoires cls->sn_width); 375b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) { 3765519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 3772955caedSBenjamin Tissoires td->last_field_index = field->index; 378b84bd27fSBenjamin Tissoires } 3795519cab4SBenjamin Tissoires return 1; 3805519cab4SBenjamin Tissoires case HID_DG_HEIGHT: 3815519cab4SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, 3825519cab4SBenjamin Tissoires EV_ABS, ABS_MT_TOUCH_MINOR); 383f786bba4SBenjamin Tissoires set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, 384f786bba4SBenjamin Tissoires cls->sn_height); 3851e648a13SBenjamin Tissoires input_set_abs_params(hi->input, 3861e648a13SBenjamin Tissoires ABS_MT_ORIENTATION, 0, 1, 0, 0); 387b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) { 3885519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 3892955caedSBenjamin Tissoires td->last_field_index = field->index; 390b84bd27fSBenjamin Tissoires } 3915519cab4SBenjamin Tissoires return 1; 3925519cab4SBenjamin Tissoires case HID_DG_TIPPRESSURE: 3935519cab4SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, 3945519cab4SBenjamin Tissoires EV_ABS, ABS_MT_PRESSURE); 3955519cab4SBenjamin Tissoires set_abs(hi->input, ABS_MT_PRESSURE, field, 3965519cab4SBenjamin Tissoires cls->sn_pressure); 3975519cab4SBenjamin Tissoires /* touchscreen emulation */ 3985519cab4SBenjamin Tissoires set_abs(hi->input, ABS_PRESSURE, field, 3995519cab4SBenjamin Tissoires cls->sn_pressure); 400b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) { 4015519cab4SBenjamin Tissoires td->last_slot_field = usage->hid; 4022955caedSBenjamin Tissoires td->last_field_index = field->index; 403b84bd27fSBenjamin Tissoires } 4045519cab4SBenjamin Tissoires return 1; 4055519cab4SBenjamin Tissoires case HID_DG_CONTACTCOUNT: 406b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) 4072955caedSBenjamin Tissoires td->last_field_index = field->index; 4085519cab4SBenjamin Tissoires return 1; 4095519cab4SBenjamin Tissoires case HID_DG_CONTACTMAX: 4105519cab4SBenjamin Tissoires /* we don't set td->last_slot_field as contactcount and 4115519cab4SBenjamin Tissoires * contact max are global to the report */ 412b84bd27fSBenjamin Tissoires if (td->last_mt_collection == usage->collection_index) 4132955caedSBenjamin Tissoires td->last_field_index = field->index; 4145519cab4SBenjamin Tissoires return -1; 4155519cab4SBenjamin Tissoires } 416c2ef8f21SBenjamin Tissoires case HID_DG_TOUCH: 417c2ef8f21SBenjamin Tissoires /* Legacy devices use TIPSWITCH and not TOUCH. 418c2ef8f21SBenjamin Tissoires * Let's just ignore this field. */ 419c2ef8f21SBenjamin Tissoires return -1; 4205519cab4SBenjamin Tissoires /* let hid-input decide for the others */ 4215519cab4SBenjamin Tissoires return 0; 4225519cab4SBenjamin Tissoires 423c2ef8f21SBenjamin Tissoires case HID_UP_BUTTON: 424c2ef8f21SBenjamin Tissoires code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); 425c2ef8f21SBenjamin Tissoires hid_map_usage(hi, usage, bit, max, EV_KEY, code); 426c2ef8f21SBenjamin Tissoires input_set_capability(hi->input, EV_KEY, code); 427c2ef8f21SBenjamin Tissoires return 1; 428c2ef8f21SBenjamin Tissoires 4295519cab4SBenjamin Tissoires case 0xff000000: 4305519cab4SBenjamin Tissoires /* we do not want to map these: no input-oriented meaning */ 4315519cab4SBenjamin Tissoires return -1; 4325519cab4SBenjamin Tissoires } 4335519cab4SBenjamin Tissoires 4345519cab4SBenjamin Tissoires return 0; 4355519cab4SBenjamin Tissoires } 4365519cab4SBenjamin Tissoires 4375519cab4SBenjamin Tissoires static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, 4385519cab4SBenjamin Tissoires struct hid_field *field, struct hid_usage *usage, 4395519cab4SBenjamin Tissoires unsigned long **bit, int *max) 4405519cab4SBenjamin Tissoires { 4415519cab4SBenjamin Tissoires if (usage->type == EV_KEY || usage->type == EV_ABS) 4425519cab4SBenjamin Tissoires set_bit(usage->type, hi->input->evbit); 4435519cab4SBenjamin Tissoires 4445519cab4SBenjamin Tissoires return -1; 4455519cab4SBenjamin Tissoires } 4465519cab4SBenjamin Tissoires 4475519cab4SBenjamin Tissoires static int mt_compute_slot(struct mt_device *td) 4485519cab4SBenjamin Tissoires { 449eec29e3dSBenjamin Tissoires __s32 quirks = td->mtclass.quirks; 4505519cab4SBenjamin Tissoires 4512d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) 4522d93666eSBenjamin Tissoires return td->curdata.contactid; 4535519cab4SBenjamin Tissoires 4542d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_CYPRESS) 455a3b5e577SBenjamin Tissoires return cypress_compute_slot(td); 456a3b5e577SBenjamin Tissoires 4572d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) 4582d93666eSBenjamin Tissoires return td->num_received; 4595572da08SBenjamin Tissoires 4604a6ee685SBenjamin Tissoires if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) 4614a6ee685SBenjamin Tissoires return td->curdata.contactid - 1; 4624a6ee685SBenjamin Tissoires 4635519cab4SBenjamin Tissoires return find_slot_from_contactid(td); 4645519cab4SBenjamin Tissoires } 4655519cab4SBenjamin Tissoires 4665519cab4SBenjamin Tissoires /* 4675519cab4SBenjamin Tissoires * this function is called when a whole contact has been processed, 4685519cab4SBenjamin Tissoires * so that it can assign it to a slot and store the data there 4695519cab4SBenjamin Tissoires */ 4705519cab4SBenjamin Tissoires static void mt_complete_slot(struct mt_device *td) 4715519cab4SBenjamin Tissoires { 4722d93666eSBenjamin Tissoires td->curdata.seen_in_this_frame = true; 4735519cab4SBenjamin Tissoires if (td->curvalid) { 4745519cab4SBenjamin Tissoires int slotnum = mt_compute_slot(td); 4755519cab4SBenjamin Tissoires 4769498f954SBenjamin Tissoires if (slotnum >= 0 && slotnum < td->maxcontacts) 4772d93666eSBenjamin Tissoires td->slots[slotnum] = td->curdata; 4785519cab4SBenjamin Tissoires } 4795519cab4SBenjamin Tissoires td->num_received++; 4805519cab4SBenjamin Tissoires } 4815519cab4SBenjamin Tissoires 4825519cab4SBenjamin Tissoires 4835519cab4SBenjamin Tissoires /* 4845519cab4SBenjamin Tissoires * this function is called when a whole packet has been received and processed, 4855519cab4SBenjamin Tissoires * so that it can decide what to send to the input layer. 4865519cab4SBenjamin Tissoires */ 4875519cab4SBenjamin Tissoires static void mt_emit_event(struct mt_device *td, struct input_dev *input) 4885519cab4SBenjamin Tissoires { 4895519cab4SBenjamin Tissoires int i; 4905519cab4SBenjamin Tissoires 4919498f954SBenjamin Tissoires for (i = 0; i < td->maxcontacts; ++i) { 4925519cab4SBenjamin Tissoires struct mt_slot *s = &(td->slots[i]); 493eec29e3dSBenjamin Tissoires if ((td->mtclass.quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) && 4945519cab4SBenjamin Tissoires !s->seen_in_this_frame) { 4955519cab4SBenjamin Tissoires s->touch_state = false; 4965519cab4SBenjamin Tissoires } 4975519cab4SBenjamin Tissoires 4985519cab4SBenjamin Tissoires input_mt_slot(input, i); 4995519cab4SBenjamin Tissoires input_mt_report_slot_state(input, MT_TOOL_FINGER, 5005519cab4SBenjamin Tissoires s->touch_state); 5012d93666eSBenjamin Tissoires if (s->touch_state) { 502f786bba4SBenjamin Tissoires /* this finger is on the screen */ 503f786bba4SBenjamin Tissoires int wide = (s->w > s->h); 504f786bba4SBenjamin Tissoires /* divided by two to match visual scale of touch */ 505f786bba4SBenjamin Tissoires int major = max(s->w, s->h) >> 1; 506f786bba4SBenjamin Tissoires int minor = min(s->w, s->h) >> 1; 507f786bba4SBenjamin Tissoires 5085519cab4SBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); 5095519cab4SBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); 510f786bba4SBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); 5115519cab4SBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); 512f786bba4SBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); 513f786bba4SBenjamin Tissoires input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); 5142d93666eSBenjamin Tissoires } 5155519cab4SBenjamin Tissoires s->seen_in_this_frame = false; 5165519cab4SBenjamin Tissoires 5175519cab4SBenjamin Tissoires } 5185519cab4SBenjamin Tissoires 5195519cab4SBenjamin Tissoires input_mt_report_pointer_emulation(input, true); 5205519cab4SBenjamin Tissoires input_sync(input); 5215519cab4SBenjamin Tissoires td->num_received = 0; 5225519cab4SBenjamin Tissoires } 5235519cab4SBenjamin Tissoires 5245519cab4SBenjamin Tissoires 5255519cab4SBenjamin Tissoires 5265519cab4SBenjamin Tissoires static int mt_event(struct hid_device *hid, struct hid_field *field, 5275519cab4SBenjamin Tissoires struct hid_usage *usage, __s32 value) 5285519cab4SBenjamin Tissoires { 5295519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hid); 530eec29e3dSBenjamin Tissoires __s32 quirks = td->mtclass.quirks; 5315519cab4SBenjamin Tissoires 5329498f954SBenjamin Tissoires if (hid->claimed & HID_CLAIMED_INPUT && td->slots) { 5335519cab4SBenjamin Tissoires switch (usage->hid) { 5345519cab4SBenjamin Tissoires case HID_DG_INRANGE: 535a062cc5aSStephane Chatty if (quirks & MT_QUIRK_ALWAYS_VALID) 536a062cc5aSStephane Chatty td->curvalid = true; 537a062cc5aSStephane Chatty else if (quirks & MT_QUIRK_VALID_IS_INRANGE) 5382d93666eSBenjamin Tissoires td->curvalid = value; 5395519cab4SBenjamin Tissoires break; 5405519cab4SBenjamin Tissoires case HID_DG_TIPSWITCH: 5412d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) 5425519cab4SBenjamin Tissoires td->curvalid = value; 5435519cab4SBenjamin Tissoires td->curdata.touch_state = value; 5445519cab4SBenjamin Tissoires break; 5455519cab4SBenjamin Tissoires case HID_DG_CONFIDENCE: 5462d93666eSBenjamin Tissoires if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) 5472d93666eSBenjamin Tissoires td->curvalid = value; 5485519cab4SBenjamin Tissoires break; 5495519cab4SBenjamin Tissoires case HID_DG_CONTACTID: 5505519cab4SBenjamin Tissoires td->curdata.contactid = value; 5515519cab4SBenjamin Tissoires break; 5525519cab4SBenjamin Tissoires case HID_DG_TIPPRESSURE: 5535519cab4SBenjamin Tissoires td->curdata.p = value; 5545519cab4SBenjamin Tissoires break; 5555519cab4SBenjamin Tissoires case HID_GD_X: 5565519cab4SBenjamin Tissoires td->curdata.x = value; 5575519cab4SBenjamin Tissoires break; 5585519cab4SBenjamin Tissoires case HID_GD_Y: 5595519cab4SBenjamin Tissoires td->curdata.y = value; 5605519cab4SBenjamin Tissoires break; 5615519cab4SBenjamin Tissoires case HID_DG_WIDTH: 5625519cab4SBenjamin Tissoires td->curdata.w = value; 5635519cab4SBenjamin Tissoires break; 5645519cab4SBenjamin Tissoires case HID_DG_HEIGHT: 5655519cab4SBenjamin Tissoires td->curdata.h = value; 5665519cab4SBenjamin Tissoires break; 5675519cab4SBenjamin Tissoires case HID_DG_CONTACTCOUNT: 5685519cab4SBenjamin Tissoires /* 5692d93666eSBenjamin Tissoires * Includes multi-packet support where subsequent 5702d93666eSBenjamin Tissoires * packets are sent with zero contactcount. 5715519cab4SBenjamin Tissoires */ 5725519cab4SBenjamin Tissoires if (value) 5732d93666eSBenjamin Tissoires td->num_expected = value; 5745519cab4SBenjamin Tissoires break; 575c2ef8f21SBenjamin Tissoires case HID_DG_TOUCH: 576c2ef8f21SBenjamin Tissoires /* do nothing */ 577c2ef8f21SBenjamin Tissoires break; 5785519cab4SBenjamin Tissoires 5795519cab4SBenjamin Tissoires default: 5805519cab4SBenjamin Tissoires /* fallback to the generic hidinput handling */ 5815519cab4SBenjamin Tissoires return 0; 5825519cab4SBenjamin Tissoires } 5835519cab4SBenjamin Tissoires 584f153fc39SHenrik Rydberg if (usage->hid == td->last_slot_field) { 5855519cab4SBenjamin Tissoires mt_complete_slot(td); 586f153fc39SHenrik Rydberg } 5875519cab4SBenjamin Tissoires 5885519cab4SBenjamin Tissoires if (field->index == td->last_field_index 5892d93666eSBenjamin Tissoires && td->num_received >= td->num_expected) 5905519cab4SBenjamin Tissoires mt_emit_event(td, field->hidinput->input); 5915519cab4SBenjamin Tissoires 5922d93666eSBenjamin Tissoires } 5932d93666eSBenjamin Tissoires 5945519cab4SBenjamin Tissoires /* we have handled the hidinput part, now remains hiddev */ 5955519cab4SBenjamin Tissoires if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) 5965519cab4SBenjamin Tissoires hid->hiddev_hid_event(hid, field, usage, value); 5975519cab4SBenjamin Tissoires 5985519cab4SBenjamin Tissoires return 1; 5995519cab4SBenjamin Tissoires } 6005519cab4SBenjamin Tissoires 6015519cab4SBenjamin Tissoires static void mt_set_input_mode(struct hid_device *hdev) 6025519cab4SBenjamin Tissoires { 6035519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 6045519cab4SBenjamin Tissoires struct hid_report *r; 6055519cab4SBenjamin Tissoires struct hid_report_enum *re; 6065519cab4SBenjamin Tissoires 6075519cab4SBenjamin Tissoires if (td->inputmode < 0) 6085519cab4SBenjamin Tissoires return; 6095519cab4SBenjamin Tissoires 6105519cab4SBenjamin Tissoires re = &(hdev->report_enum[HID_FEATURE_REPORT]); 6115519cab4SBenjamin Tissoires r = re->report_id_hash[td->inputmode]; 6125519cab4SBenjamin Tissoires if (r) { 6135519cab4SBenjamin Tissoires r->field[0]->value[0] = 0x02; 6145519cab4SBenjamin Tissoires usbhid_submit_report(hdev, r, USB_DIR_OUT); 6155519cab4SBenjamin Tissoires } 6165519cab4SBenjamin Tissoires } 6175519cab4SBenjamin Tissoires 61831ae9bddSBenjamin Tissoires static void mt_set_maxcontacts(struct hid_device *hdev) 61931ae9bddSBenjamin Tissoires { 62031ae9bddSBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 62131ae9bddSBenjamin Tissoires struct hid_report *r; 62231ae9bddSBenjamin Tissoires struct hid_report_enum *re; 62331ae9bddSBenjamin Tissoires int fieldmax, max; 62431ae9bddSBenjamin Tissoires 62531ae9bddSBenjamin Tissoires if (td->maxcontact_report_id < 0) 62631ae9bddSBenjamin Tissoires return; 62731ae9bddSBenjamin Tissoires 62831ae9bddSBenjamin Tissoires if (!td->mtclass.maxcontacts) 62931ae9bddSBenjamin Tissoires return; 63031ae9bddSBenjamin Tissoires 63131ae9bddSBenjamin Tissoires re = &hdev->report_enum[HID_FEATURE_REPORT]; 63231ae9bddSBenjamin Tissoires r = re->report_id_hash[td->maxcontact_report_id]; 63331ae9bddSBenjamin Tissoires if (r) { 63431ae9bddSBenjamin Tissoires max = td->mtclass.maxcontacts; 63531ae9bddSBenjamin Tissoires fieldmax = r->field[0]->logical_maximum; 63631ae9bddSBenjamin Tissoires max = min(fieldmax, max); 63731ae9bddSBenjamin Tissoires if (r->field[0]->value[0] != max) { 63831ae9bddSBenjamin Tissoires r->field[0]->value[0] = max; 63931ae9bddSBenjamin Tissoires usbhid_submit_report(hdev, r, USB_DIR_OUT); 64031ae9bddSBenjamin Tissoires } 64131ae9bddSBenjamin Tissoires } 64231ae9bddSBenjamin Tissoires } 64331ae9bddSBenjamin Tissoires 6445519cab4SBenjamin Tissoires static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) 6455519cab4SBenjamin Tissoires { 6462d93666eSBenjamin Tissoires int ret, i; 6475519cab4SBenjamin Tissoires struct mt_device *td; 6482d93666eSBenjamin Tissoires struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ 6492d93666eSBenjamin Tissoires 6502d93666eSBenjamin Tissoires for (i = 0; mt_classes[i].name ; i++) { 6512d93666eSBenjamin Tissoires if (id->driver_data == mt_classes[i].name) { 6522d93666eSBenjamin Tissoires mtclass = &(mt_classes[i]); 6532d93666eSBenjamin Tissoires break; 6542d93666eSBenjamin Tissoires } 6552d93666eSBenjamin Tissoires } 6565519cab4SBenjamin Tissoires 657d682bd7fSHenrik Rydberg /* This allows the driver to correctly support devices 658d682bd7fSHenrik Rydberg * that emit events over several HID messages. 659d682bd7fSHenrik Rydberg */ 660d682bd7fSHenrik Rydberg hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; 6615519cab4SBenjamin Tissoires 6629498f954SBenjamin Tissoires td = kzalloc(sizeof(struct mt_device), GFP_KERNEL); 6635519cab4SBenjamin Tissoires if (!td) { 6645519cab4SBenjamin Tissoires dev_err(&hdev->dev, "cannot allocate multitouch data\n"); 6655519cab4SBenjamin Tissoires return -ENOMEM; 6665519cab4SBenjamin Tissoires } 667eec29e3dSBenjamin Tissoires td->mtclass = *mtclass; 6685519cab4SBenjamin Tissoires td->inputmode = -1; 66931ae9bddSBenjamin Tissoires td->maxcontact_report_id = -1; 670b84bd27fSBenjamin Tissoires td->last_mt_collection = -1; 6715519cab4SBenjamin Tissoires hid_set_drvdata(hdev, td); 6725519cab4SBenjamin Tissoires 6735519cab4SBenjamin Tissoires ret = hid_parse(hdev); 6745519cab4SBenjamin Tissoires if (ret != 0) 6755519cab4SBenjamin Tissoires goto fail; 6765519cab4SBenjamin Tissoires 6775519cab4SBenjamin Tissoires ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 6782d93666eSBenjamin Tissoires if (ret) 6795519cab4SBenjamin Tissoires goto fail; 6805519cab4SBenjamin Tissoires 6819498f954SBenjamin Tissoires td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot), 6829498f954SBenjamin Tissoires GFP_KERNEL); 6839498f954SBenjamin Tissoires if (!td->slots) { 6849498f954SBenjamin Tissoires dev_err(&hdev->dev, "cannot allocate multitouch slots\n"); 6859498f954SBenjamin Tissoires hid_hw_stop(hdev); 6869498f954SBenjamin Tissoires ret = -ENOMEM; 6879498f954SBenjamin Tissoires goto fail; 6889498f954SBenjamin Tissoires } 6899498f954SBenjamin Tissoires 690eec29e3dSBenjamin Tissoires ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); 691eec29e3dSBenjamin Tissoires 69231ae9bddSBenjamin Tissoires mt_set_maxcontacts(hdev); 6935519cab4SBenjamin Tissoires mt_set_input_mode(hdev); 6945519cab4SBenjamin Tissoires 6955519cab4SBenjamin Tissoires return 0; 6965519cab4SBenjamin Tissoires 6975519cab4SBenjamin Tissoires fail: 6985519cab4SBenjamin Tissoires kfree(td); 6995519cab4SBenjamin Tissoires return ret; 7005519cab4SBenjamin Tissoires } 7015519cab4SBenjamin Tissoires 7025519cab4SBenjamin Tissoires #ifdef CONFIG_PM 7035519cab4SBenjamin Tissoires static int mt_reset_resume(struct hid_device *hdev) 7045519cab4SBenjamin Tissoires { 70531ae9bddSBenjamin Tissoires mt_set_maxcontacts(hdev); 7065519cab4SBenjamin Tissoires mt_set_input_mode(hdev); 7075519cab4SBenjamin Tissoires return 0; 7085519cab4SBenjamin Tissoires } 7095519cab4SBenjamin Tissoires #endif 7105519cab4SBenjamin Tissoires 7115519cab4SBenjamin Tissoires static void mt_remove(struct hid_device *hdev) 7125519cab4SBenjamin Tissoires { 7135519cab4SBenjamin Tissoires struct mt_device *td = hid_get_drvdata(hdev); 714eec29e3dSBenjamin Tissoires sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); 7155519cab4SBenjamin Tissoires hid_hw_stop(hdev); 7169498f954SBenjamin Tissoires kfree(td->slots); 7175519cab4SBenjamin Tissoires kfree(td); 7185519cab4SBenjamin Tissoires hid_set_drvdata(hdev, NULL); 7195519cab4SBenjamin Tissoires } 7205519cab4SBenjamin Tissoires 7215519cab4SBenjamin Tissoires static const struct hid_device_id mt_devices[] = { 7225519cab4SBenjamin Tissoires 723f786bba4SBenjamin Tissoires /* 3M panels */ 724f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 725f786bba4SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_3M, 726f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M1968) }, 727f786bba4SBenjamin Tissoires { .driver_data = MT_CLS_3M, 728f786bba4SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_3M, 729f786bba4SBenjamin Tissoires USB_DEVICE_ID_3M2256) }, 730c4fad877SBenjamin Tissoires { .driver_data = MT_CLS_3M, 731c4fad877SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_3M, 732c4fad877SBenjamin Tissoires USB_DEVICE_ID_3M3266) }, 733f786bba4SBenjamin Tissoires 734e6aac342SBenjamin Tissoires /* ActionStar panels */ 735e6aac342SBenjamin Tissoires { .driver_data = MT_CLS_DEFAULT, 736e6aac342SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, 737e6aac342SBenjamin Tissoires USB_DEVICE_ID_ACTIONSTAR_1011) }, 738e6aac342SBenjamin Tissoires 739b1057124SBenjamin Tissoires /* Atmel panels */ 740b1057124SBenjamin Tissoires { .driver_data = MT_CLS_SERIAL, 741b1057124SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_ATMEL, 742b1057124SBenjamin Tissoires USB_DEVICE_ID_ATMEL_MULTITOUCH) }, 743b1057124SBenjamin Tissoires 744a841b62cSBenjamin Tissoires /* Cando panels */ 745a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 746a841b62cSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_CANDO, 747a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, 748a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 749a841b62cSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_CANDO, 750a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) }, 751a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 752a841b62cSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_CANDO, 753a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, 754a841b62cSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 755a841b62cSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_CANDO, 756a841b62cSBenjamin Tissoires USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, 757a841b62cSBenjamin Tissoires 758942fd422SAustin Zhang /* Chunghwa Telecom touch panels */ 759942fd422SAustin Zhang { .driver_data = MT_CLS_DEFAULT, 760942fd422SAustin Zhang HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, 761942fd422SAustin Zhang USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, 762942fd422SAustin Zhang 76379603dc9SBenjamin Tissoires /* CVTouch panels */ 76479603dc9SBenjamin Tissoires { .driver_data = MT_CLS_DEFAULT, 76579603dc9SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, 76679603dc9SBenjamin Tissoires USB_DEVICE_ID_CVTOUCH_SCREEN) }, 76779603dc9SBenjamin Tissoires 768a3b5e577SBenjamin Tissoires /* Cypress panel */ 769a3b5e577SBenjamin Tissoires { .driver_data = MT_CLS_CYPRESS, 770a3b5e577SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, 771a3b5e577SBenjamin Tissoires USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, 772a3b5e577SBenjamin Tissoires 77322408283SBenjamin Tissoires /* eGalax devices (resistive) */ 77422408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 77522408283SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 776e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, 77722408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 77822408283SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 779e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, 78022408283SBenjamin Tissoires 78122408283SBenjamin Tissoires /* eGalax devices (capacitive) */ 78222408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 78322408283SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 784e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, 78522408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 78622408283SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 787e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, 78822408283SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 78922408283SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 790e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, 7911fd8f047SChris Bagwell { .driver_data = MT_CLS_EGALAX, 7921fd8f047SChris Bagwell HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 79366f06127SBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, 79466f06127SBenjamin Tissoires { .driver_data = MT_CLS_EGALAX, 79566f06127SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 796bb9ff210SMarek Vasut USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, 7971b723e8dSBenjamin Tissoires { .driver_data = MT_CLS_EGALAX_SERIAL, 798bb9ff210SMarek Vasut HID_USB_DEVICE(USB_VENDOR_ID_DWAV, 799e36f690bSBenjamin Tissoires USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, 80022408283SBenjamin Tissoires 801c04abeefSBenjamin Tissoires /* Elo TouchSystems IntelliTouch Plus panel */ 802c04abeefSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID, 803c04abeefSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_ELO, 804c04abeefSBenjamin Tissoires USB_DEVICE_ID_ELO_TS2515) }, 805c04abeefSBenjamin Tissoires 8065572da08SBenjamin Tissoires /* GeneralTouch panel */ 8071e9cf35bSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, 8085572da08SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 8095572da08SBenjamin Tissoires USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, 8105572da08SBenjamin Tissoires 811ee0fbd14SBenjamin Tissoires /* GoodTouch panels */ 812ee0fbd14SBenjamin Tissoires { .driver_data = MT_CLS_DEFAULT, 813ee0fbd14SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, 814ee0fbd14SBenjamin Tissoires USB_DEVICE_ID_GOODTOUCH_000f) }, 815ee0fbd14SBenjamin Tissoires 81654580365SBenjamin Tissoires /* Hanvon panels */ 81754580365SBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 81854580365SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, 81954580365SBenjamin Tissoires USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, 82054580365SBenjamin Tissoires 821a062cc5aSStephane Chatty /* Ideacom panel */ 822a062cc5aSStephane Chatty { .driver_data = MT_CLS_SERIAL, 823a062cc5aSStephane Chatty HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, 824a062cc5aSStephane Chatty USB_DEVICE_ID_IDEACOM_IDC6650) }, 825a062cc5aSStephane Chatty 8264e61f0d7SAustin Zhang /* Ilitek dual touch panel */ 8274e61f0d7SAustin Zhang { .driver_data = MT_CLS_DEFAULT, 8284e61f0d7SAustin Zhang HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, 8294e61f0d7SAustin Zhang USB_DEVICE_ID_ILITEK_MULTITOUCH) }, 8304e61f0d7SAustin Zhang 8314dfcced8SBenjamin Tissoires /* IRTOUCH panels */ 8324dfcced8SBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 8334dfcced8SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, 8344dfcced8SBenjamin Tissoires USB_DEVICE_ID_IRTOUCH_INFRARED_USB) }, 8354dfcced8SBenjamin Tissoires 836c50bb1a4SJeff Brown /* LG Display panels */ 837c50bb1a4SJeff Brown { .driver_data = MT_CLS_DEFAULT, 838c50bb1a4SJeff Brown HID_USB_DEVICE(USB_VENDOR_ID_LG, 839c50bb1a4SJeff Brown USB_DEVICE_ID_LG_MULTITOUCH) }, 840c50bb1a4SJeff Brown 841df167c4aSBenjamin Tissoires /* Lumio panels */ 842df167c4aSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 843df167c4aSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, 844df167c4aSBenjamin Tissoires USB_DEVICE_ID_CRYSTALTOUCH) }, 845c3ead6deSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 846c3ead6deSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, 847c3ead6deSBenjamin Tissoires USB_DEVICE_ID_CRYSTALTOUCH_DUAL) }, 848df167c4aSBenjamin Tissoires 8494a6ee685SBenjamin Tissoires /* MosArt panels */ 8504a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 8514a6ee685SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_ASUS, 8524a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUS_T91MT)}, 8534a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 8544a6ee685SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_ASUS, 8554a6ee685SBenjamin Tissoires USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, 8564a6ee685SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, 8574a6ee685SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, 8584a6ee685SBenjamin Tissoires USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, 8594a6ee685SBenjamin Tissoires 8606ab3a9a6SJohn Sung /* PenMount panels */ 8616ab3a9a6SJohn Sung { .driver_data = MT_CLS_CONFIDENCE, 8626ab3a9a6SJohn Sung HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, 8636ab3a9a6SJohn Sung USB_DEVICE_ID_PENMOUNT_PCI) }, 8646ab3a9a6SJohn Sung 865b7ea95ffSAaron Tian /* PixArt optical touch screen */ 866b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 867b7ea95ffSAaron Tian HID_USB_DEVICE(USB_VENDOR_ID_PIXART, 868b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, 869b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 870b7ea95ffSAaron Tian HID_USB_DEVICE(USB_VENDOR_ID_PIXART, 871b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, 872b7ea95ffSAaron Tian { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, 873b7ea95ffSAaron Tian HID_USB_DEVICE(USB_VENDOR_ID_PIXART, 874b7ea95ffSAaron Tian USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, 875b7ea95ffSAaron Tian 8765519cab4SBenjamin Tissoires /* PixCir-based panels */ 8771e9cf35bSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 8785519cab4SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_HANVON, 8795519cab4SBenjamin Tissoires USB_DEVICE_ID_HANVON_MULTITOUCH) }, 8801e9cf35bSBenjamin Tissoires { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, 8815519cab4SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_CANDO, 8825519cab4SBenjamin Tissoires USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, 8835519cab4SBenjamin Tissoires 8845e7ea11fSBenjamin Tissoires /* Quanta-based panels */ 8855e7ea11fSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, 8865e7ea11fSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, 8875e7ea11fSBenjamin Tissoires USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, 8885e7ea11fSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, 8895e7ea11fSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, 8905e7ea11fSBenjamin Tissoires USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, 8915e7ea11fSBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, 8925e7ea11fSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, 8935e7ea11fSBenjamin Tissoires USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) }, 8945e7ea11fSBenjamin Tissoires 895043b403aSBenjamin Tissoires /* Stantum panels */ 896bf5af9b5SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE, 897043b403aSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, 898043b403aSBenjamin Tissoires USB_DEVICE_ID_MTP)}, 899bf5af9b5SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE, 90085a60082SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, 901043b403aSBenjamin Tissoires USB_DEVICE_ID_MTP_STM)}, 902bf5af9b5SBenjamin Tissoires { .driver_data = MT_CLS_CONFIDENCE, 90385a60082SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, 904043b403aSBenjamin Tissoires USB_DEVICE_ID_MTP_SITRONIX)}, 905043b403aSBenjamin Tissoires 906*847672cdSBenjamin Tissoires /* TopSeed panels */ 907*847672cdSBenjamin Tissoires { .driver_data = MT_CLS_TOPSEED, 908*847672cdSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, 909*847672cdSBenjamin Tissoires USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, 910*847672cdSBenjamin Tissoires 9115e74e56dSBenjamin Tissoires /* Touch International panels */ 9125e74e56dSBenjamin Tissoires { .driver_data = MT_CLS_DEFAULT, 9135e74e56dSBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, 9145e74e56dSBenjamin Tissoires USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, 9155e74e56dSBenjamin Tissoires 916617b64f9SBenjamin Tissoires /* Unitec panels */ 917617b64f9SBenjamin Tissoires { .driver_data = MT_CLS_DEFAULT, 918617b64f9SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, 919617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, 920617b64f9SBenjamin Tissoires { .driver_data = MT_CLS_DEFAULT, 921617b64f9SBenjamin Tissoires HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, 922617b64f9SBenjamin Tissoires USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, 923bc8a2a9bSice chien /* XAT */ 924bc8a2a9bSice chien { .driver_data = MT_CLS_DEFAULT, 925bc8a2a9bSice chien HID_USB_DEVICE(USB_VENDOR_ID_XAT, 926bc8a2a9bSice chien USB_DEVICE_ID_XAT_CSR) }, 927617b64f9SBenjamin Tissoires 92811576c61SMasatoshi Hoshikawa /* Xiroku */ 92911576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 93011576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 93111576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX) }, 93211576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 93311576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 93411576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX) }, 93511576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 93611576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 93711576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR) }, 93811576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 93911576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 94011576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX1) }, 94111576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 94211576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 94311576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX1) }, 94411576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 94511576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 94611576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR1) }, 94711576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 94811576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 94911576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_SPX2) }, 95011576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 95111576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 95211576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_MPX2) }, 95311576c61SMasatoshi Hoshikawa { .driver_data = MT_CLS_DEFAULT, 95411576c61SMasatoshi Hoshikawa HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, 95511576c61SMasatoshi Hoshikawa USB_DEVICE_ID_XIROKU_CSR2) }, 95611576c61SMasatoshi Hoshikawa 9575519cab4SBenjamin Tissoires { } 9585519cab4SBenjamin Tissoires }; 9595519cab4SBenjamin Tissoires MODULE_DEVICE_TABLE(hid, mt_devices); 9605519cab4SBenjamin Tissoires 9615519cab4SBenjamin Tissoires static const struct hid_usage_id mt_grabbed_usages[] = { 9625519cab4SBenjamin Tissoires { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, 9635519cab4SBenjamin Tissoires { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} 9645519cab4SBenjamin Tissoires }; 9655519cab4SBenjamin Tissoires 9665519cab4SBenjamin Tissoires static struct hid_driver mt_driver = { 9675519cab4SBenjamin Tissoires .name = "hid-multitouch", 9685519cab4SBenjamin Tissoires .id_table = mt_devices, 9695519cab4SBenjamin Tissoires .probe = mt_probe, 9705519cab4SBenjamin Tissoires .remove = mt_remove, 9715519cab4SBenjamin Tissoires .input_mapping = mt_input_mapping, 9725519cab4SBenjamin Tissoires .input_mapped = mt_input_mapped, 9735519cab4SBenjamin Tissoires .feature_mapping = mt_feature_mapping, 9745519cab4SBenjamin Tissoires .usage_table = mt_grabbed_usages, 9755519cab4SBenjamin Tissoires .event = mt_event, 9765519cab4SBenjamin Tissoires #ifdef CONFIG_PM 9775519cab4SBenjamin Tissoires .reset_resume = mt_reset_resume, 9785519cab4SBenjamin Tissoires #endif 9795519cab4SBenjamin Tissoires }; 9805519cab4SBenjamin Tissoires 9815519cab4SBenjamin Tissoires static int __init mt_init(void) 9825519cab4SBenjamin Tissoires { 9835519cab4SBenjamin Tissoires return hid_register_driver(&mt_driver); 9845519cab4SBenjamin Tissoires } 9855519cab4SBenjamin Tissoires 9865519cab4SBenjamin Tissoires static void __exit mt_exit(void) 9875519cab4SBenjamin Tissoires { 9885519cab4SBenjamin Tissoires hid_unregister_driver(&mt_driver); 9895519cab4SBenjamin Tissoires } 9905519cab4SBenjamin Tissoires 9915519cab4SBenjamin Tissoires module_init(mt_init); 9925519cab4SBenjamin Tissoires module_exit(mt_exit); 993