| /* |
| * HID driver for multitouch panels |
| * |
| * Copyright (c) 2010-2011 Stephane Chatty <chatty@enac.fr> |
| * Copyright (c) 2010-2011 Benjamin Tissoires <benjamin.tissoires@gmail.com> |
| * Copyright (c) 2010-2011 Ecole Nationale de l'Aviation Civile, France |
| * |
| * This code is partly based on hid-egalax.c: |
| * |
| * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> |
| * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> |
| * Copyright (c) 2010 Canonical, Ltd. |
| * |
| * This code is partly based on hid-3m-pct.c: |
| * |
| * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> |
| * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> |
| * Copyright (c) 2010 Canonical, Ltd. |
| * |
| */ |
| |
| /* |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| */ |
| |
| #include <linux/device.h> |
| #include <linux/hid.h> |
| #include <linux/module.h> |
| #include <linux/slab.h> |
| #include <linux/usb.h> |
| #include <linux/input/mt.h> |
| #include "usbhid/usbhid.h" |
| |
| |
| MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); |
| MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); |
| MODULE_DESCRIPTION("HID multitouch panels"); |
| MODULE_LICENSE("GPL"); |
| |
| #include "hid-ids.h" |
| |
| /* quirks to control the device */ |
| #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0) |
| #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1) |
| #define MT_QUIRK_CYPRESS (1 << 2) |
| #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3) |
| #define MT_QUIRK_VALID_IS_INRANGE (1 << 4) |
| #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 5) |
| #define MT_QUIRK_EGALAX_XYZ_FIXUP (1 << 6) |
| #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 7) |
| |
| struct mt_slot { |
| __s32 x, y, p, w, h; |
| __s32 contactid; /* the device ContactID assigned to this slot */ |
| bool touch_state; /* is the touch valid? */ |
| bool seen_in_this_frame;/* has this slot been updated */ |
| }; |
| |
| struct mt_device { |
| struct mt_slot curdata; /* placeholder of incoming data */ |
| struct mt_class *mtclass; /* our mt device class */ |
| unsigned last_field_index; /* last field index of the report */ |
| unsigned last_slot_field; /* the last field of a slot */ |
| int last_mt_collection; /* last known mt-related collection */ |
| __s8 inputmode; /* InputMode HID feature, -1 if non-existent */ |
| __u8 num_received; /* how many contacts we received */ |
| __u8 num_expected; /* expected last contact index */ |
| __u8 maxcontacts; |
| bool curvalid; /* is the current contact valid? */ |
| struct mt_slot *slots; |
| }; |
| |
| struct mt_class { |
| __s32 name; /* MT_CLS */ |
| __s32 quirks; |
| __s32 sn_move; /* Signal/noise ratio for move events */ |
| __s32 sn_width; /* Signal/noise ratio for width events */ |
| __s32 sn_height; /* Signal/noise ratio for height events */ |
| __s32 sn_pressure; /* Signal/noise ratio for pressure events */ |
| __u8 maxcontacts; |
| }; |
| |
| /* classes of device behavior */ |
| #define MT_CLS_DEFAULT 0x0001 |
| |
| #define MT_CLS_CONFIDENCE 0x0002 |
| #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0003 |
| #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0004 |
| #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0005 |
| #define MT_CLS_DUAL_NSMU_CONTACTID 0x0006 |
| |
| /* vendor specific classes */ |
| #define MT_CLS_3M 0x0101 |
| #define MT_CLS_CYPRESS 0x0102 |
| #define MT_CLS_EGALAX 0x0103 |
| |
| #define MT_DEFAULT_MAXCONTACT 10 |
| |
| /* |
| * these device-dependent functions determine what slot corresponds |
| * to a valid contact that was just read. |
| */ |
| |
| static int cypress_compute_slot(struct mt_device *td) |
| { |
| if (td->curdata.contactid != 0 || td->num_received == 0) |
| return td->curdata.contactid; |
| else |
| return -1; |
| } |
| |
| static int find_slot_from_contactid(struct mt_device *td) |
| { |
| int i; |
| for (i = 0; i < td->maxcontacts; ++i) { |
| if (td->slots[i].contactid == td->curdata.contactid && |
| td->slots[i].touch_state) |
| return i; |
| } |
| for (i = 0; i < td->maxcontacts; ++i) { |
| if (!td->slots[i].seen_in_this_frame && |
| !td->slots[i].touch_state) |
| return i; |
| } |
| /* should not occurs. If this happens that means |
| * that the device sent more touches that it says |
| * in the report descriptor. It is ignored then. */ |
| return -1; |
| } |
| |
| struct mt_class mt_classes[] = { |
| { .name = MT_CLS_DEFAULT, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
| { .name = MT_CLS_CONFIDENCE, |
| .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, |
| { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
| .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | |
| MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, |
| { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
| .quirks = MT_QUIRK_VALID_IS_INRANGE | |
| MT_QUIRK_SLOT_IS_CONTACTID, |
| .maxcontacts = 2 }, |
| { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| .quirks = MT_QUIRK_VALID_IS_INRANGE | |
| MT_QUIRK_SLOT_IS_CONTACTNUMBER, |
| .maxcontacts = 2 }, |
| { .name = MT_CLS_DUAL_NSMU_CONTACTID, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
| MT_QUIRK_SLOT_IS_CONTACTID, |
| .maxcontacts = 2 }, |
| |
| /* |
| * vendor specific classes |
| */ |
| { .name = MT_CLS_3M, |
| .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | |
| MT_QUIRK_SLOT_IS_CONTACTID, |
| .sn_move = 2048, |
| .sn_width = 128, |
| .sn_height = 128 }, |
| { .name = MT_CLS_CYPRESS, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
| MT_QUIRK_CYPRESS, |
| .maxcontacts = 10 }, |
| { .name = MT_CLS_EGALAX, |
| .quirks = MT_QUIRK_SLOT_IS_CONTACTID | |
| MT_QUIRK_VALID_IS_INRANGE | |
| MT_QUIRK_EGALAX_XYZ_FIXUP, |
| .maxcontacts = 2, |
| .sn_move = 4096, |
| .sn_pressure = 32, |
| }, |
| |
| { } |
| }; |
| |
| static void mt_feature_mapping(struct hid_device *hdev, |
| struct hid_field *field, struct hid_usage *usage) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| |
| switch (usage->hid) { |
| case HID_DG_INPUTMODE: |
| td->inputmode = field->report->id; |
| break; |
| case HID_DG_CONTACTMAX: |
| td->maxcontacts = field->value[0]; |
| if (td->mtclass->maxcontacts) |
| /* check if the maxcontacts is given by the class */ |
| td->maxcontacts = td->mtclass->maxcontacts; |
| |
| break; |
| } |
| } |
| |
| static void set_abs(struct input_dev *input, unsigned int code, |
| struct hid_field *field, int snratio) |
| { |
| int fmin = field->logical_minimum; |
| int fmax = field->logical_maximum; |
| int fuzz = snratio ? (fmax - fmin) / snratio : 0; |
| input_set_abs_params(input, code, fmin, fmax, fuzz, 0); |
| } |
| |
| static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| struct mt_class *cls = td->mtclass; |
| __s32 quirks = cls->quirks; |
| |
| /* Only map fields from TouchScreen or TouchPad collections. |
| * We need to ignore fields that belong to other collections |
| * such as Mouse that might have the same GenericDesktop usages. */ |
| if (field->application == HID_DG_TOUCHSCREEN) |
| set_bit(INPUT_PROP_DIRECT, hi->input->propbit); |
| else if (field->application == HID_DG_TOUCHPAD) |
| set_bit(INPUT_PROP_POINTER, hi->input->propbit); |
| else |
| return 0; |
| |
| switch (usage->hid & HID_USAGE_PAGE) { |
| |
| case HID_UP_GENDESK: |
| switch (usage->hid) { |
| case HID_GD_X: |
| if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) |
| field->logical_maximum = 32760; |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_POSITION_X); |
| set_abs(hi->input, ABS_MT_POSITION_X, field, |
| cls->sn_move); |
| /* touchscreen emulation */ |
| set_abs(hi->input, ABS_X, field, cls->sn_move); |
| if (td->last_mt_collection == usage->collection_index) { |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| } |
| return 1; |
| case HID_GD_Y: |
| if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) |
| field->logical_maximum = 32760; |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_POSITION_Y); |
| set_abs(hi->input, ABS_MT_POSITION_Y, field, |
| cls->sn_move); |
| /* touchscreen emulation */ |
| set_abs(hi->input, ABS_Y, field, cls->sn_move); |
| if (td->last_mt_collection == usage->collection_index) { |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| } |
| return 1; |
| } |
| return 0; |
| |
| case HID_UP_DIGITIZER: |
| switch (usage->hid) { |
| case HID_DG_INRANGE: |
| if (td->last_mt_collection == usage->collection_index) { |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| } |
| return 1; |
| case HID_DG_CONFIDENCE: |
| if (td->last_mt_collection == usage->collection_index) { |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| } |
| return 1; |
| case HID_DG_TIPSWITCH: |
| hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); |
| input_set_capability(hi->input, EV_KEY, BTN_TOUCH); |
| if (td->last_mt_collection == usage->collection_index) { |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| } |
| return 1; |
| case HID_DG_CONTACTID: |
| if (!td->maxcontacts) |
| td->maxcontacts = MT_DEFAULT_MAXCONTACT; |
| input_mt_init_slots(hi->input, td->maxcontacts); |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| td->last_mt_collection = usage->collection_index; |
| return 1; |
| case HID_DG_WIDTH: |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_TOUCH_MAJOR); |
| set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, |
| cls->sn_width); |
| if (td->last_mt_collection == usage->collection_index) { |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| } |
| return 1; |
| case HID_DG_HEIGHT: |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_TOUCH_MINOR); |
| set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, |
| cls->sn_height); |
| input_set_abs_params(hi->input, |
| ABS_MT_ORIENTATION, 0, 1, 0, 0); |
| if (td->last_mt_collection == usage->collection_index) { |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| } |
| return 1; |
| case HID_DG_TIPPRESSURE: |
| if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) |
| field->logical_minimum = 0; |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_PRESSURE); |
| set_abs(hi->input, ABS_MT_PRESSURE, field, |
| cls->sn_pressure); |
| /* touchscreen emulation */ |
| set_abs(hi->input, ABS_PRESSURE, field, |
| cls->sn_pressure); |
| if (td->last_mt_collection == usage->collection_index) { |
| td->last_slot_field = usage->hid; |
| td->last_field_index = field->index; |
| } |
| return 1; |
| case HID_DG_CONTACTCOUNT: |
| if (td->last_mt_collection == usage->collection_index) |
| td->last_field_index = field->index; |
| return 1; |
| case HID_DG_CONTACTMAX: |
| /* we don't set td->last_slot_field as contactcount and |
| * contact max are global to the report */ |
| if (td->last_mt_collection == usage->collection_index) |
| td->last_field_index = field->index; |
| return -1; |
| } |
| /* let hid-input decide for the others */ |
| return 0; |
| |
| case 0xff000000: |
| /* we do not want to map these: no input-oriented meaning */ |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| if (usage->type == EV_KEY || usage->type == EV_ABS) |
| set_bit(usage->type, hi->input->evbit); |
| |
| return -1; |
| } |
| |
| static int mt_compute_slot(struct mt_device *td) |
| { |
| __s32 quirks = td->mtclass->quirks; |
| |
| if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
| return td->curdata.contactid; |
| |
| if (quirks & MT_QUIRK_CYPRESS) |
| return cypress_compute_slot(td); |
| |
| if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
| return td->num_received; |
| |
| if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
| return td->curdata.contactid - 1; |
| |
| return find_slot_from_contactid(td); |
| } |
| |
| /* |
| * this function is called when a whole contact has been processed, |
| * so that it can assign it to a slot and store the data there |
| */ |
| static void mt_complete_slot(struct mt_device *td) |
| { |
| td->curdata.seen_in_this_frame = true; |
| if (td->curvalid) { |
| int slotnum = mt_compute_slot(td); |
| |
| if (slotnum >= 0 && slotnum < td->maxcontacts) |
| td->slots[slotnum] = td->curdata; |
| } |
| td->num_received++; |
| } |
| |
| |
| /* |
| * this function is called when a whole packet has been received and processed, |
| * so that it can decide what to send to the input layer. |
| */ |
| static void mt_emit_event(struct mt_device *td, struct input_dev *input) |
| { |
| int i; |
| |
| for (i = 0; i < td->maxcontacts; ++i) { |
| struct mt_slot *s = &(td->slots[i]); |
| if ((td->mtclass->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) && |
| !s->seen_in_this_frame) { |
| s->touch_state = false; |
| } |
| |
| input_mt_slot(input, i); |
| input_mt_report_slot_state(input, MT_TOOL_FINGER, |
| s->touch_state); |
| if (s->touch_state) { |
| /* this finger is on the screen */ |
| int wide = (s->w > s->h); |
| /* divided by two to match visual scale of touch */ |
| int major = max(s->w, s->h) >> 1; |
| int minor = min(s->w, s->h) >> 1; |
| |
| input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
| input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); |
| input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); |
| input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
| input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
| input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); |
| } |
| s->seen_in_this_frame = false; |
| |
| } |
| |
| input_mt_report_pointer_emulation(input, true); |
| input_sync(input); |
| td->num_received = 0; |
| } |
| |
| |
| |
| static int mt_event(struct hid_device *hid, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| struct mt_device *td = hid_get_drvdata(hid); |
| __s32 quirks = td->mtclass->quirks; |
| |
| if (hid->claimed & HID_CLAIMED_INPUT && td->slots) { |
| switch (usage->hid) { |
| case HID_DG_INRANGE: |
| if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
| td->curvalid = value; |
| break; |
| case HID_DG_TIPSWITCH: |
| if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
| td->curvalid = value; |
| td->curdata.touch_state = value; |
| break; |
| case HID_DG_CONFIDENCE: |
| if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
| td->curvalid = value; |
| break; |
| case HID_DG_CONTACTID: |
| td->curdata.contactid = value; |
| break; |
| case HID_DG_TIPPRESSURE: |
| td->curdata.p = value; |
| break; |
| case HID_GD_X: |
| td->curdata.x = value; |
| break; |
| case HID_GD_Y: |
| td->curdata.y = value; |
| break; |
| case HID_DG_WIDTH: |
| td->curdata.w = value; |
| break; |
| case HID_DG_HEIGHT: |
| td->curdata.h = value; |
| break; |
| case HID_DG_CONTACTCOUNT: |
| /* |
| * Includes multi-packet support where subsequent |
| * packets are sent with zero contactcount. |
| */ |
| if (value) |
| td->num_expected = value; |
| break; |
| |
| default: |
| /* fallback to the generic hidinput handling */ |
| return 0; |
| } |
| |
| if (usage->hid == td->last_slot_field) { |
| mt_complete_slot(td); |
| } |
| |
| if (field->index == td->last_field_index |
| && td->num_received >= td->num_expected) |
| mt_emit_event(td, field->hidinput->input); |
| |
| } |
| |
| /* we have handled the hidinput part, now remains hiddev */ |
| if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) |
| hid->hiddev_hid_event(hid, field, usage, value); |
| |
| return 1; |
| } |
| |
| static void mt_set_input_mode(struct hid_device *hdev) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| struct hid_report *r; |
| struct hid_report_enum *re; |
| |
| if (td->inputmode < 0) |
| return; |
| |
| re = &(hdev->report_enum[HID_FEATURE_REPORT]); |
| r = re->report_id_hash[td->inputmode]; |
| if (r) { |
| r->field[0]->value[0] = 0x02; |
| usbhid_submit_report(hdev, r, USB_DIR_OUT); |
| } |
| } |
| |
| static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
| { |
| int ret, i; |
| struct mt_device *td; |
| struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
| |
| for (i = 0; mt_classes[i].name ; i++) { |
| if (id->driver_data == mt_classes[i].name) { |
| mtclass = &(mt_classes[i]); |
| break; |
| } |
| } |
| |
| /* This allows the driver to correctly support devices |
| * that emit events over several HID messages. |
| */ |
| hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; |
| |
| td = kzalloc(sizeof(struct mt_device), GFP_KERNEL); |
| if (!td) { |
| dev_err(&hdev->dev, "cannot allocate multitouch data\n"); |
| return -ENOMEM; |
| } |
| td->mtclass = mtclass; |
| td->inputmode = -1; |
| td->last_mt_collection = -1; |
| hid_set_drvdata(hdev, td); |
| |
| ret = hid_parse(hdev); |
| if (ret != 0) |
| goto fail; |
| |
| ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
| if (ret) |
| goto fail; |
| |
| td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot), |
| GFP_KERNEL); |
| if (!td->slots) { |
| dev_err(&hdev->dev, "cannot allocate multitouch slots\n"); |
| hid_hw_stop(hdev); |
| ret = -ENOMEM; |
| goto fail; |
| } |
| |
| mt_set_input_mode(hdev); |
| |
| return 0; |
| |
| fail: |
| kfree(td); |
| return ret; |
| } |
| |
| #ifdef CONFIG_PM |
| static int mt_reset_resume(struct hid_device *hdev) |
| { |
| mt_set_input_mode(hdev); |
| return 0; |
| } |
| #endif |
| |
| static void mt_remove(struct hid_device *hdev) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| hid_hw_stop(hdev); |
| kfree(td->slots); |
| kfree(td); |
| hid_set_drvdata(hdev, NULL); |
| } |
| |
| static const struct hid_device_id mt_devices[] = { |
| |
| /* 3M panels */ |
| { .driver_data = MT_CLS_3M, |
| HID_USB_DEVICE(USB_VENDOR_ID_3M, |
| USB_DEVICE_ID_3M1968) }, |
| { .driver_data = MT_CLS_3M, |
| HID_USB_DEVICE(USB_VENDOR_ID_3M, |
| USB_DEVICE_ID_3M2256) }, |
| { .driver_data = MT_CLS_3M, |
| HID_USB_DEVICE(USB_VENDOR_ID_3M, |
| USB_DEVICE_ID_3M3266) }, |
| |
| /* ActionStar panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, |
| USB_DEVICE_ID_ACTIONSTAR_1011) }, |
| |
| /* Cando panels */ |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| HID_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| HID_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) }, |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| HID_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| HID_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
| |
| /* Chunghwa Telecom touch panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
| USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
| |
| /* CVTouch panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
| USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
| |
| /* Cypress panel */ |
| { .driver_data = MT_CLS_CYPRESS, |
| HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, |
| USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, |
| |
| /* eGalax devices (resistive) */ |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
| |
| /* eGalax devices (capacitive) */ |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
| |
| /* Elo TouchSystems IntelliTouch Plus panel */ |
| { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID, |
| HID_USB_DEVICE(USB_VENDOR_ID_ELO, |
| USB_DEVICE_ID_ELO_TS2515) }, |
| |
| /* GeneralTouch panel */ |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
| USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
| |
| /* GoodTouch panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
| USB_DEVICE_ID_GOODTOUCH_000f) }, |
| |
| /* Ilitek dual touch panel */ |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
| USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
| |
| /* IRTOUCH panels */ |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
| HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, |
| USB_DEVICE_ID_IRTOUCH_INFRARED_USB) }, |
| |
| /* LG Display panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_LG, |
| USB_DEVICE_ID_LG_MULTITOUCH) }, |
| |
| /* Lumio panels */ |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, |
| USB_DEVICE_ID_CRYSTALTOUCH) }, |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, |
| USB_DEVICE_ID_CRYSTALTOUCH_DUAL) }, |
| |
| /* MosArt panels */ |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| HID_USB_DEVICE(USB_VENDOR_ID_ASUS, |
| USB_DEVICE_ID_ASUS_T91MT)}, |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| HID_USB_DEVICE(USB_VENDOR_ID_ASUS, |
| USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
| USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
| |
| /* PenMount panels */ |
| { .driver_data = MT_CLS_CONFIDENCE, |
| HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, |
| USB_DEVICE_ID_PENMOUNT_PCI) }, |
| |
| /* PixCir-based panels */ |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
| HID_USB_DEVICE(USB_VENDOR_ID_HANVON, |
| USB_DEVICE_ID_HANVON_MULTITOUCH) }, |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
| HID_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
| |
| /* Stantum panels */ |
| { .driver_data = MT_CLS_CONFIDENCE, |
| HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, |
| USB_DEVICE_ID_MTP)}, |
| { .driver_data = MT_CLS_CONFIDENCE, |
| HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
| USB_DEVICE_ID_MTP_STM)}, |
| { .driver_data = MT_CLS_CONFIDENCE, |
| HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, |
| USB_DEVICE_ID_MTP_SITRONIX)}, |
| |
| /* Touch International panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
| USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
| |
| /* Unitec panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
| USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
| { .driver_data = MT_CLS_DEFAULT, |
| HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
| USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
| |
| { } |
| }; |
| MODULE_DEVICE_TABLE(hid, mt_devices); |
| |
| static const struct hid_usage_id mt_grabbed_usages[] = { |
| { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, |
| { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} |
| }; |
| |
| static struct hid_driver mt_driver = { |
| .name = "hid-multitouch", |
| .id_table = mt_devices, |
| .probe = mt_probe, |
| .remove = mt_remove, |
| .input_mapping = mt_input_mapping, |
| .input_mapped = mt_input_mapped, |
| .feature_mapping = mt_feature_mapping, |
| .usage_table = mt_grabbed_usages, |
| .event = mt_event, |
| #ifdef CONFIG_PM |
| .reset_resume = mt_reset_resume, |
| #endif |
| }; |
| |
| static int __init mt_init(void) |
| { |
| return hid_register_driver(&mt_driver); |
| } |
| |
| static void __exit mt_exit(void) |
| { |
| hid_unregister_driver(&mt_driver); |
| } |
| |
| module_init(mt_init); |
| module_exit(mt_exit); |