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1407 lines
40 KiB
C
1407 lines
40 KiB
C
/*
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* HID driver for multitouch panels
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*
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* Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
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* Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com>
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* Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
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* Copyright (c) 2012-2013 Red Hat, Inc
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*
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* This code is partly based on hid-egalax.c:
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*
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* Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
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* Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
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* Copyright (c) 2010 Canonical, Ltd.
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*
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* This code is partly based on hid-3m-pct.c:
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*
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* Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
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* Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
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* Copyright (c) 2010 Canonical, Ltd.
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*
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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/*
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* This driver is regularly tested thanks to the tool hid-test[1].
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* This tool relies on hid-replay[2] and a database of hid devices[3].
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* Please run these regression tests before patching this module so that
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* your patch won't break existing known devices.
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*
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* [1] https://github.com/bentiss/hid-test
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* [2] https://github.com/bentiss/hid-replay
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* [3] https://github.com/bentiss/hid-devices
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*/
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/input/mt.h>
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#include <linux/string.h>
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MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
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MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
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MODULE_DESCRIPTION("HID multitouch panels");
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MODULE_LICENSE("GPL");
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#include "hid-ids.h"
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/* quirks to control the device */
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#define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
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#define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
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#define MT_QUIRK_CYPRESS (1 << 2)
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#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
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#define MT_QUIRK_ALWAYS_VALID (1 << 4)
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#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
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#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
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#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
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#define MT_QUIRK_NO_AREA (1 << 9)
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#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
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#define MT_QUIRK_HOVERING (1 << 11)
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#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
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#define MT_QUIRK_FORCE_GET_FEATURE (1 << 13)
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#define MT_INPUTMODE_TOUCHSCREEN 0x02
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#define MT_INPUTMODE_TOUCHPAD 0x03
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#define MT_BUTTONTYPE_CLICKPAD 0
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struct mt_slot {
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__s32 x, y, cx, cy, p, w, h;
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__s32 contactid; /* the device ContactID assigned to this slot */
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bool touch_state; /* is the touch valid? */
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bool inrange_state; /* is the finger in proximity of the sensor? */
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};
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struct mt_class {
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__s32 name; /* MT_CLS */
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__s32 quirks;
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__s32 sn_move; /* Signal/noise ratio for move events */
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__s32 sn_width; /* Signal/noise ratio for width events */
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__s32 sn_height; /* Signal/noise ratio for height events */
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__s32 sn_pressure; /* Signal/noise ratio for pressure events */
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__u8 maxcontacts;
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bool is_indirect; /* true for touchpads */
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bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */
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};
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struct mt_fields {
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unsigned usages[HID_MAX_FIELDS];
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unsigned int length;
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};
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struct mt_device {
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struct mt_slot curdata; /* placeholder of incoming data */
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struct mt_class mtclass; /* our mt device class */
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struct mt_fields *fields; /* temporary placeholder for storing the
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multitouch fields */
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int cc_index; /* contact count field index in the report */
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int cc_value_index; /* contact count value index in the field */
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unsigned last_slot_field; /* the last field of a slot */
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unsigned mt_report_id; /* the report ID of the multitouch device */
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__s16 inputmode; /* InputMode HID feature, -1 if non-existent */
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__s16 inputmode_index; /* InputMode HID feature index in the report */
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__s16 maxcontact_report_id; /* Maximum Contact Number HID feature,
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-1 if non-existent */
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__u8 inputmode_value; /* InputMode HID feature value */
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__u8 num_received; /* how many contacts we received */
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__u8 num_expected; /* expected last contact index */
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__u8 maxcontacts;
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__u8 touches_by_report; /* how many touches are present in one report:
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* 1 means we should use a serial protocol
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* > 1 means hybrid (multitouch) protocol */
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__u8 buttons_count; /* number of physical buttons per touchpad */
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bool is_buttonpad; /* is this device a button pad? */
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bool serial_maybe; /* need to check for serial protocol */
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bool curvalid; /* is the current contact valid? */
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unsigned mt_flags; /* flags to pass to input-mt */
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};
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static void mt_post_parse_default_settings(struct mt_device *td);
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static void mt_post_parse(struct mt_device *td);
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/* classes of device behavior */
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#define MT_CLS_DEFAULT 0x0001
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#define MT_CLS_SERIAL 0x0002
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#define MT_CLS_CONFIDENCE 0x0003
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#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
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#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
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#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
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#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
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/* reserved 0x0008 */
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#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
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#define MT_CLS_NSMU 0x000a
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/* reserved 0x0010 */
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/* reserved 0x0011 */
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#define MT_CLS_WIN_8 0x0012
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#define MT_CLS_EXPORT_ALL_INPUTS 0x0013
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/* vendor specific classes */
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#define MT_CLS_3M 0x0101
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/* reserved 0x0102 */
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#define MT_CLS_EGALAX 0x0103
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#define MT_CLS_EGALAX_SERIAL 0x0104
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#define MT_CLS_TOPSEED 0x0105
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#define MT_CLS_PANASONIC 0x0106
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#define MT_CLS_FLATFROG 0x0107
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#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
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#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
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#define MT_CLS_VTL 0x0110
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#define MT_DEFAULT_MAXCONTACT 10
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#define MT_MAX_MAXCONTACT 250
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#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
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#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
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/*
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* these device-dependent functions determine what slot corresponds
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* to a valid contact that was just read.
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*/
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static int cypress_compute_slot(struct mt_device *td)
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{
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if (td->curdata.contactid != 0 || td->num_received == 0)
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return td->curdata.contactid;
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else
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return -1;
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}
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static struct mt_class mt_classes[] = {
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{ .name = MT_CLS_DEFAULT,
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.quirks = MT_QUIRK_ALWAYS_VALID |
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MT_QUIRK_CONTACT_CNT_ACCURATE },
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{ .name = MT_CLS_NSMU,
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.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
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{ .name = MT_CLS_SERIAL,
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.quirks = MT_QUIRK_ALWAYS_VALID},
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{ .name = MT_CLS_CONFIDENCE,
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.quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
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{ .name = MT_CLS_CONFIDENCE_CONTACT_ID,
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.quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
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MT_QUIRK_SLOT_IS_CONTACTID },
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{ .name = MT_CLS_CONFIDENCE_MINUS_ONE,
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.quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
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MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
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{ .name = MT_CLS_DUAL_INRANGE_CONTACTID,
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.quirks = MT_QUIRK_VALID_IS_INRANGE |
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MT_QUIRK_SLOT_IS_CONTACTID,
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.maxcontacts = 2 },
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{ .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
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.quirks = MT_QUIRK_VALID_IS_INRANGE |
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MT_QUIRK_SLOT_IS_CONTACTNUMBER,
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.maxcontacts = 2 },
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{ .name = MT_CLS_INRANGE_CONTACTNUMBER,
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.quirks = MT_QUIRK_VALID_IS_INRANGE |
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MT_QUIRK_SLOT_IS_CONTACTNUMBER },
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{ .name = MT_CLS_WIN_8,
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.quirks = MT_QUIRK_ALWAYS_VALID |
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MT_QUIRK_IGNORE_DUPLICATES |
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MT_QUIRK_HOVERING |
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MT_QUIRK_CONTACT_CNT_ACCURATE },
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{ .name = MT_CLS_EXPORT_ALL_INPUTS,
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.quirks = MT_QUIRK_ALWAYS_VALID |
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MT_QUIRK_CONTACT_CNT_ACCURATE,
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.export_all_inputs = true },
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/*
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* vendor specific classes
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*/
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{ .name = MT_CLS_3M,
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.quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
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MT_QUIRK_SLOT_IS_CONTACTID,
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.sn_move = 2048,
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.sn_width = 128,
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.sn_height = 128,
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.maxcontacts = 60,
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},
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{ .name = MT_CLS_EGALAX,
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.quirks = MT_QUIRK_SLOT_IS_CONTACTID |
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MT_QUIRK_VALID_IS_INRANGE,
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.sn_move = 4096,
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.sn_pressure = 32,
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},
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{ .name = MT_CLS_EGALAX_SERIAL,
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.quirks = MT_QUIRK_SLOT_IS_CONTACTID |
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MT_QUIRK_ALWAYS_VALID,
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.sn_move = 4096,
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.sn_pressure = 32,
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},
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{ .name = MT_CLS_TOPSEED,
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.quirks = MT_QUIRK_ALWAYS_VALID,
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.is_indirect = true,
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.maxcontacts = 2,
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},
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{ .name = MT_CLS_PANASONIC,
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.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
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.maxcontacts = 4 },
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{ .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
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.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
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MT_QUIRK_VALID_IS_INRANGE |
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MT_QUIRK_SLOT_IS_CONTACTID,
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.maxcontacts = 2
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},
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{ .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
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.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
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MT_QUIRK_SLOT_IS_CONTACTID
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},
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{ .name = MT_CLS_FLATFROG,
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.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
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MT_QUIRK_NO_AREA,
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.sn_move = 2048,
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.maxcontacts = 40,
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},
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{ .name = MT_CLS_VTL,
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.quirks = MT_QUIRK_ALWAYS_VALID |
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MT_QUIRK_CONTACT_CNT_ACCURATE |
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MT_QUIRK_FORCE_GET_FEATURE,
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},
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{ }
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};
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static ssize_t mt_show_quirks(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct hid_device *hdev = container_of(dev, struct hid_device, dev);
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struct mt_device *td = hid_get_drvdata(hdev);
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return sprintf(buf, "%u\n", td->mtclass.quirks);
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}
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static ssize_t mt_set_quirks(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct hid_device *hdev = container_of(dev, struct hid_device, dev);
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struct mt_device *td = hid_get_drvdata(hdev);
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unsigned long val;
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if (kstrtoul(buf, 0, &val))
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return -EINVAL;
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td->mtclass.quirks = val;
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if (td->cc_index < 0)
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td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
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return count;
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}
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static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
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static struct attribute *sysfs_attrs[] = {
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&dev_attr_quirks.attr,
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NULL
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};
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static struct attribute_group mt_attribute_group = {
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.attrs = sysfs_attrs
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};
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static void mt_feature_mapping(struct hid_device *hdev,
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struct hid_field *field, struct hid_usage *usage)
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{
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struct mt_device *td = hid_get_drvdata(hdev);
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switch (usage->hid) {
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case HID_DG_INPUTMODE:
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/* Ignore if value index is out of bounds. */
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if (usage->usage_index >= field->report_count) {
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dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n");
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break;
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}
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td->inputmode = field->report->id;
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td->inputmode_index = usage->usage_index;
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break;
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case HID_DG_CONTACTMAX:
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td->maxcontact_report_id = field->report->id;
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td->maxcontacts = field->value[0];
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if (!td->maxcontacts &&
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field->logical_maximum <= MT_MAX_MAXCONTACT)
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td->maxcontacts = field->logical_maximum;
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if (td->mtclass.maxcontacts)
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/* check if the maxcontacts is given by the class */
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td->maxcontacts = td->mtclass.maxcontacts;
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break;
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case HID_DG_BUTTONTYPE:
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if (usage->usage_index >= field->report_count) {
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dev_err(&hdev->dev, "HID_DG_BUTTONTYPE out of range\n");
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break;
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}
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if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD)
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td->is_buttonpad = true;
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break;
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}
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}
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static void set_abs(struct input_dev *input, unsigned int code,
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struct hid_field *field, int snratio)
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{
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int fmin = field->logical_minimum;
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int fmax = field->logical_maximum;
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int fuzz = snratio ? (fmax - fmin) / snratio : 0;
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input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
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input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
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}
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static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
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struct hid_input *hi)
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{
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struct mt_fields *f = td->fields;
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if (f->length >= HID_MAX_FIELDS)
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return;
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f->usages[f->length++] = usage->hid;
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}
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static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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struct mt_device *td = hid_get_drvdata(hdev);
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struct mt_class *cls = &td->mtclass;
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int code;
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struct hid_usage *prev_usage = NULL;
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if (field->application == HID_DG_TOUCHSCREEN)
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td->mt_flags |= INPUT_MT_DIRECT;
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/*
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* Model touchscreens providing buttons as touchpads.
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*/
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if (field->application == HID_DG_TOUCHPAD ||
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(usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
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td->mt_flags |= INPUT_MT_POINTER;
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td->inputmode_value = MT_INPUTMODE_TOUCHPAD;
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}
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/* count the buttons on touchpads */
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
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td->buttons_count++;
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if (usage->usage_index)
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prev_usage = &field->usage[usage->usage_index - 1];
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switch (usage->hid & HID_USAGE_PAGE) {
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case HID_UP_GENDESK:
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switch (usage->hid) {
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case HID_GD_X:
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if (prev_usage && (prev_usage->hid == usage->hid)) {
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hid_map_usage(hi, usage, bit, max,
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EV_ABS, ABS_MT_TOOL_X);
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set_abs(hi->input, ABS_MT_TOOL_X, field,
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cls->sn_move);
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} else {
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hid_map_usage(hi, usage, bit, max,
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EV_ABS, ABS_MT_POSITION_X);
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set_abs(hi->input, ABS_MT_POSITION_X, field,
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cls->sn_move);
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}
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mt_store_field(usage, td, hi);
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return 1;
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case HID_GD_Y:
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if (prev_usage && (prev_usage->hid == usage->hid)) {
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hid_map_usage(hi, usage, bit, max,
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EV_ABS, ABS_MT_TOOL_Y);
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set_abs(hi->input, ABS_MT_TOOL_Y, field,
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cls->sn_move);
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} else {
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hid_map_usage(hi, usage, bit, max,
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EV_ABS, ABS_MT_POSITION_Y);
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set_abs(hi->input, ABS_MT_POSITION_Y, field,
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cls->sn_move);
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}
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mt_store_field(usage, td, hi);
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return 1;
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}
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return 0;
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case HID_UP_DIGITIZER:
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switch (usage->hid) {
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case HID_DG_INRANGE:
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if (cls->quirks & MT_QUIRK_HOVERING) {
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hid_map_usage(hi, usage, bit, max,
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EV_ABS, ABS_MT_DISTANCE);
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input_set_abs_params(hi->input,
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|
ABS_MT_DISTANCE, 0, 1, 0, 0);
|
|
}
|
|
mt_store_field(usage, td, hi);
|
|
return 1;
|
|
case HID_DG_CONFIDENCE:
|
|
mt_store_field(usage, td, hi);
|
|
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);
|
|
mt_store_field(usage, td, hi);
|
|
return 1;
|
|
case HID_DG_CONTACTID:
|
|
mt_store_field(usage, td, hi);
|
|
td->touches_by_report++;
|
|
td->mt_report_id = field->report->id;
|
|
return 1;
|
|
case HID_DG_WIDTH:
|
|
hid_map_usage(hi, usage, bit, max,
|
|
EV_ABS, ABS_MT_TOUCH_MAJOR);
|
|
if (!(cls->quirks & MT_QUIRK_NO_AREA))
|
|
set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
|
|
cls->sn_width);
|
|
mt_store_field(usage, td, hi);
|
|
return 1;
|
|
case HID_DG_HEIGHT:
|
|
hid_map_usage(hi, usage, bit, max,
|
|
EV_ABS, ABS_MT_TOUCH_MINOR);
|
|
if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
|
|
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);
|
|
}
|
|
mt_store_field(usage, td, hi);
|
|
return 1;
|
|
case HID_DG_TIPPRESSURE:
|
|
hid_map_usage(hi, usage, bit, max,
|
|
EV_ABS, ABS_MT_PRESSURE);
|
|
set_abs(hi->input, ABS_MT_PRESSURE, field,
|
|
cls->sn_pressure);
|
|
mt_store_field(usage, td, hi);
|
|
return 1;
|
|
case HID_DG_CONTACTCOUNT:
|
|
/* Ignore if indexes are out of bounds. */
|
|
if (field->index >= field->report->maxfield ||
|
|
usage->usage_index >= field->report_count)
|
|
return 1;
|
|
td->cc_index = field->index;
|
|
td->cc_value_index = usage->usage_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 */
|
|
return -1;
|
|
case HID_DG_TOUCH:
|
|
/* Legacy devices use TIPSWITCH and not TOUCH.
|
|
* Let's just ignore this field. */
|
|
return -1;
|
|
}
|
|
/* let hid-input decide for the others */
|
|
return 0;
|
|
|
|
case HID_UP_BUTTON:
|
|
code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
|
|
hid_map_usage(hi, usage, bit, max, EV_KEY, code);
|
|
input_set_capability(hi->input, EV_KEY, code);
|
|
return 1;
|
|
|
|
case 0xff000000:
|
|
/* we do not want to map these: no input-oriented meaning */
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt_touch_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, struct input_dev *input)
|
|
{
|
|
__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 input_mt_get_slot_by_key(input, td->curdata.contactid);
|
|
}
|
|
|
|
/*
|
|
* 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, struct input_dev *input)
|
|
{
|
|
if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
|
|
td->num_received >= td->num_expected)
|
|
return;
|
|
|
|
if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
|
|
int slotnum = mt_compute_slot(td, input);
|
|
struct mt_slot *s = &td->curdata;
|
|
struct input_mt *mt = input->mt;
|
|
|
|
if (slotnum < 0 || slotnum >= td->maxcontacts)
|
|
return;
|
|
|
|
if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
|
|
struct input_mt_slot *slot = &mt->slots[slotnum];
|
|
if (input_mt_is_active(slot) &&
|
|
input_mt_is_used(mt, slot))
|
|
return;
|
|
}
|
|
|
|
input_mt_slot(input, slotnum);
|
|
input_mt_report_slot_state(input, MT_TOOL_FINGER,
|
|
s->touch_state || s->inrange_state);
|
|
if (s->touch_state || s->inrange_state) {
|
|
/* this finger is in proximity of the sensor */
|
|
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_TOOL_X, s->cx);
|
|
input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
|
|
input_event(input, EV_ABS, ABS_MT_DISTANCE,
|
|
!s->touch_state);
|
|
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);
|
|
}
|
|
}
|
|
|
|
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_sync_frame(struct mt_device *td, struct input_dev *input)
|
|
{
|
|
input_mt_sync_frame(input);
|
|
input_sync(input);
|
|
td->num_received = 0;
|
|
}
|
|
|
|
static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
|
|
struct hid_usage *usage, __s32 value)
|
|
{
|
|
/* we will handle the hidinput part later, 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_process_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;
|
|
struct input_dev *input = field->hidinput->input;
|
|
|
|
if (hid->claimed & HID_CLAIMED_INPUT) {
|
|
switch (usage->hid) {
|
|
case HID_DG_INRANGE:
|
|
if (quirks & MT_QUIRK_VALID_IS_INRANGE)
|
|
td->curvalid = value;
|
|
if (quirks & MT_QUIRK_HOVERING)
|
|
td->curdata.inrange_state = 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:
|
|
if (usage->code == ABS_MT_TOOL_X)
|
|
td->curdata.cx = value;
|
|
else
|
|
td->curdata.x = value;
|
|
break;
|
|
case HID_GD_Y:
|
|
if (usage->code == ABS_MT_TOOL_Y)
|
|
td->curdata.cy = value;
|
|
else
|
|
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:
|
|
break;
|
|
case HID_DG_TOUCH:
|
|
/* do nothing */
|
|
break;
|
|
|
|
default:
|
|
if (usage->type)
|
|
input_event(input, usage->type, usage->code,
|
|
value);
|
|
return;
|
|
}
|
|
|
|
if (usage->usage_index + 1 == field->report_count) {
|
|
/* we only take into account the last report. */
|
|
if (usage->hid == td->last_slot_field)
|
|
mt_complete_slot(td, field->hidinput->input);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
|
|
{
|
|
struct mt_device *td = hid_get_drvdata(hid);
|
|
struct hid_field *field;
|
|
unsigned count;
|
|
int r, n;
|
|
|
|
/*
|
|
* Includes multi-packet support where subsequent
|
|
* packets are sent with zero contactcount.
|
|
*/
|
|
if (td->cc_index >= 0) {
|
|
struct hid_field *field = report->field[td->cc_index];
|
|
int value = field->value[td->cc_value_index];
|
|
if (value)
|
|
td->num_expected = value;
|
|
}
|
|
|
|
for (r = 0; r < report->maxfield; r++) {
|
|
field = report->field[r];
|
|
count = field->report_count;
|
|
|
|
if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
|
|
continue;
|
|
|
|
for (n = 0; n < count; n++)
|
|
mt_process_mt_event(hid, field, &field->usage[n],
|
|
field->value[n]);
|
|
}
|
|
|
|
if (td->num_received >= td->num_expected)
|
|
mt_sync_frame(td, report->field[0]->hidinput->input);
|
|
}
|
|
|
|
static void mt_touch_input_configured(struct hid_device *hdev,
|
|
struct hid_input *hi)
|
|
{
|
|
struct mt_device *td = hid_get_drvdata(hdev);
|
|
struct mt_class *cls = &td->mtclass;
|
|
struct input_dev *input = hi->input;
|
|
|
|
if (!td->maxcontacts)
|
|
td->maxcontacts = MT_DEFAULT_MAXCONTACT;
|
|
|
|
mt_post_parse(td);
|
|
if (td->serial_maybe)
|
|
mt_post_parse_default_settings(td);
|
|
|
|
if (cls->is_indirect)
|
|
td->mt_flags |= INPUT_MT_POINTER;
|
|
|
|
if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
|
|
td->mt_flags |= INPUT_MT_DROP_UNUSED;
|
|
|
|
/* check for clickpads */
|
|
if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1))
|
|
td->is_buttonpad = true;
|
|
|
|
if (td->is_buttonpad)
|
|
__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
|
|
|
|
input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
|
|
|
|
td->mt_flags = 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);
|
|
|
|
/*
|
|
* If mtclass.export_all_inputs is not set, 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 (!td->mtclass.export_all_inputs &&
|
|
field->application != HID_DG_TOUCHSCREEN &&
|
|
field->application != HID_DG_PEN &&
|
|
field->application != HID_DG_TOUCHPAD)
|
|
return -1;
|
|
|
|
/*
|
|
* some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
|
|
* for the stylus.
|
|
*/
|
|
if (field->physical == HID_DG_STYLUS)
|
|
return 0;
|
|
|
|
if (field->application == HID_DG_TOUCHSCREEN ||
|
|
field->application == HID_DG_TOUCHPAD)
|
|
return mt_touch_input_mapping(hdev, hi, field, usage, bit, max);
|
|
|
|
/* let hid-core decide for the others */
|
|
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)
|
|
{
|
|
/*
|
|
* some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
|
|
* for the stylus.
|
|
*/
|
|
if (field->physical == HID_DG_STYLUS)
|
|
return 0;
|
|
|
|
if (field->application == HID_DG_TOUCHSCREEN ||
|
|
field->application == HID_DG_TOUCHPAD)
|
|
return mt_touch_input_mapped(hdev, hi, field, usage, bit, max);
|
|
|
|
/* let hid-core decide for the others */
|
|
return 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);
|
|
|
|
if (field->report->id == td->mt_report_id)
|
|
return mt_touch_event(hid, field, usage, value);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mt_report(struct hid_device *hid, struct hid_report *report)
|
|
{
|
|
struct mt_device *td = hid_get_drvdata(hid);
|
|
struct hid_field *field = report->field[0];
|
|
|
|
if (!(hid->claimed & HID_CLAIMED_INPUT))
|
|
return;
|
|
|
|
if (report->id == td->mt_report_id)
|
|
return mt_touch_report(hid, report);
|
|
|
|
if (field && field->hidinput && field->hidinput->input)
|
|
input_sync(field->hidinput->input);
|
|
}
|
|
|
|
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;
|
|
struct mt_class *cls = &td->mtclass;
|
|
char *buf;
|
|
int report_len;
|
|
|
|
if (td->inputmode < 0)
|
|
return;
|
|
|
|
re = &(hdev->report_enum[HID_FEATURE_REPORT]);
|
|
r = re->report_id_hash[td->inputmode];
|
|
if (r) {
|
|
if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) {
|
|
report_len = hid_report_len(r);
|
|
buf = hid_alloc_report_buf(r, GFP_KERNEL);
|
|
if (!buf) {
|
|
hid_err(hdev, "failed to allocate buffer for report\n");
|
|
return;
|
|
}
|
|
hid_hw_raw_request(hdev, r->id, buf, report_len,
|
|
HID_FEATURE_REPORT,
|
|
HID_REQ_GET_REPORT);
|
|
kfree(buf);
|
|
}
|
|
r->field[0]->value[td->inputmode_index] = td->inputmode_value;
|
|
hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
|
|
}
|
|
}
|
|
|
|
static void mt_set_maxcontacts(struct hid_device *hdev)
|
|
{
|
|
struct mt_device *td = hid_get_drvdata(hdev);
|
|
struct hid_report *r;
|
|
struct hid_report_enum *re;
|
|
int fieldmax, max;
|
|
|
|
if (td->maxcontact_report_id < 0)
|
|
return;
|
|
|
|
if (!td->mtclass.maxcontacts)
|
|
return;
|
|
|
|
re = &hdev->report_enum[HID_FEATURE_REPORT];
|
|
r = re->report_id_hash[td->maxcontact_report_id];
|
|
if (r) {
|
|
max = td->mtclass.maxcontacts;
|
|
fieldmax = r->field[0]->logical_maximum;
|
|
max = min(fieldmax, max);
|
|
if (r->field[0]->value[0] != max) {
|
|
r->field[0]->value[0] = max;
|
|
hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mt_post_parse_default_settings(struct mt_device *td)
|
|
{
|
|
__s32 quirks = td->mtclass.quirks;
|
|
|
|
/* unknown serial device needs special quirks */
|
|
if (td->touches_by_report == 1) {
|
|
quirks |= MT_QUIRK_ALWAYS_VALID;
|
|
quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
|
|
quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
|
|
quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
|
|
quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
|
|
}
|
|
|
|
td->mtclass.quirks = quirks;
|
|
}
|
|
|
|
static void mt_post_parse(struct mt_device *td)
|
|
{
|
|
struct mt_fields *f = td->fields;
|
|
struct mt_class *cls = &td->mtclass;
|
|
|
|
if (td->touches_by_report > 0) {
|
|
int field_count_per_touch = f->length / td->touches_by_report;
|
|
td->last_slot_field = f->usages[field_count_per_touch - 1];
|
|
}
|
|
|
|
if (td->cc_index < 0)
|
|
cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
|
|
}
|
|
|
|
static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
|
|
{
|
|
struct mt_device *td = hid_get_drvdata(hdev);
|
|
char *name;
|
|
const char *suffix = NULL;
|
|
struct hid_field *field = hi->report->field[0];
|
|
|
|
if (hi->report->id == td->mt_report_id)
|
|
mt_touch_input_configured(hdev, hi);
|
|
|
|
/*
|
|
* some egalax touchscreens have "application == HID_DG_TOUCHSCREEN"
|
|
* for the stylus. Check this first, and then rely on the application
|
|
* field.
|
|
*/
|
|
if (hi->report->field[0]->physical == HID_DG_STYLUS) {
|
|
suffix = "Pen";
|
|
/* force BTN_STYLUS to allow tablet matching in udev */
|
|
__set_bit(BTN_STYLUS, hi->input->keybit);
|
|
} else {
|
|
switch (field->application) {
|
|
case HID_GD_KEYBOARD:
|
|
suffix = "Keyboard";
|
|
break;
|
|
case HID_GD_KEYPAD:
|
|
suffix = "Keypad";
|
|
break;
|
|
case HID_GD_MOUSE:
|
|
suffix = "Mouse";
|
|
break;
|
|
case HID_DG_STYLUS:
|
|
suffix = "Pen";
|
|
/* force BTN_STYLUS to allow tablet matching in udev */
|
|
__set_bit(BTN_STYLUS, hi->input->keybit);
|
|
break;
|
|
case HID_DG_TOUCHSCREEN:
|
|
/* we do not set suffix = "Touchscreen" */
|
|
break;
|
|
case HID_GD_SYSTEM_CONTROL:
|
|
suffix = "System Control";
|
|
break;
|
|
case HID_CP_CONSUMER_CONTROL:
|
|
suffix = "Consumer Control";
|
|
break;
|
|
default:
|
|
suffix = "UNKNOWN";
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (suffix) {
|
|
name = devm_kzalloc(&hi->input->dev,
|
|
strlen(hdev->name) + strlen(suffix) + 2,
|
|
GFP_KERNEL);
|
|
if (name) {
|
|
sprintf(name, "%s %s", hdev->name, suffix);
|
|
hi->input->name = name;
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
/*
|
|
* This allows the driver to handle different input sensors
|
|
* that emits events through different reports on the same HID
|
|
* device.
|
|
*/
|
|
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
|
|
hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT;
|
|
|
|
/*
|
|
* Handle special quirks for Windows 8 certified devices.
|
|
*/
|
|
if (id->group == HID_GROUP_MULTITOUCH_WIN_8)
|
|
/*
|
|
* Some multitouch screens do not like to be polled for input
|
|
* reports. Fortunately, the Win8 spec says that all touches
|
|
* should be sent during each report, making the initialization
|
|
* of input reports unnecessary.
|
|
*/
|
|
hdev->quirks |= HID_QUIRK_NO_INIT_INPUT_REPORTS;
|
|
|
|
td = devm_kzalloc(&hdev->dev, 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->maxcontact_report_id = -1;
|
|
td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN;
|
|
td->cc_index = -1;
|
|
td->mt_report_id = -1;
|
|
hid_set_drvdata(hdev, td);
|
|
|
|
td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields),
|
|
GFP_KERNEL);
|
|
if (!td->fields) {
|
|
dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
|
|
td->serial_maybe = true;
|
|
|
|
ret = hid_parse(hdev);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
|
|
|
|
mt_set_maxcontacts(hdev);
|
|
mt_set_input_mode(hdev);
|
|
|
|
/* release .fields memory as it is not used anymore */
|
|
devm_kfree(&hdev->dev, td->fields);
|
|
td->fields = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int mt_reset_resume(struct hid_device *hdev)
|
|
{
|
|
mt_set_maxcontacts(hdev);
|
|
mt_set_input_mode(hdev);
|
|
return 0;
|
|
}
|
|
|
|
static int mt_resume(struct hid_device *hdev)
|
|
{
|
|
/* Some Elan legacy devices require SET_IDLE to be set on resume.
|
|
* It should be safe to send it to other devices too.
|
|
* Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
|
|
|
|
hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void mt_remove(struct hid_device *hdev)
|
|
{
|
|
sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
|
|
hid_hw_stop(hdev);
|
|
}
|
|
|
|
/*
|
|
* This list contains only:
|
|
* - VID/PID of products not working with the default multitouch handling
|
|
* - 2 generic rules.
|
|
* So there is no point in adding here any device with MT_CLS_DEFAULT.
|
|
*/
|
|
static const struct hid_device_id mt_devices[] = {
|
|
|
|
/* 3M panels */
|
|
{ .driver_data = MT_CLS_3M,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_3M,
|
|
USB_DEVICE_ID_3M1968) },
|
|
{ .driver_data = MT_CLS_3M,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_3M,
|
|
USB_DEVICE_ID_3M2256) },
|
|
{ .driver_data = MT_CLS_3M,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_3M,
|
|
USB_DEVICE_ID_3M3266) },
|
|
|
|
/* Anton devices */
|
|
{ .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_ANTON,
|
|
USB_DEVICE_ID_ANTON_TOUCH_PAD) },
|
|
|
|
/* Atmel panels */
|
|
{ .driver_data = MT_CLS_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
|
|
USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
|
|
|
|
/* Baanto multitouch devices */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
|
|
USB_DEVICE_ID_BAANTO_MT_190W2) },
|
|
|
|
/* Cando panels */
|
|
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
|
|
USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
|
|
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
|
|
USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
|
|
|
|
/* Chunghwa Telecom touch panels */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
|
|
USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
|
|
|
|
/* CVTouch panels */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
|
|
USB_DEVICE_ID_CVTOUCH_SCREEN) },
|
|
|
|
/* eGalax devices (resistive) */
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
|
|
|
|
/* eGalax devices (capacitive) */
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
|
|
{ .driver_data = MT_CLS_EGALAX,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
|
|
{ .driver_data = MT_CLS_EGALAX_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
|
|
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
|
|
|
|
/* Elitegroup panel */
|
|
{ .driver_data = MT_CLS_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP,
|
|
USB_DEVICE_ID_ELITEGROUP_05D8) },
|
|
|
|
/* Flatfrog Panels */
|
|
{ .driver_data = MT_CLS_FLATFROG,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
|
|
USB_DEVICE_ID_MULTITOUCH_3200) },
|
|
|
|
/* FocalTech Panels */
|
|
{ .driver_data = MT_CLS_SERIAL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL,
|
|
USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) },
|
|
|
|
/* GeneralTouch panel */
|
|
{ .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
|
|
USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
|
|
{ .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
|
|
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
|
|
{ .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
|
|
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) },
|
|
{ .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
|
|
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) },
|
|
{ .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
|
|
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) },
|
|
{ .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
|
|
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) },
|
|
{ .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
|
|
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) },
|
|
|
|
/* Gametel game controller */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
|
|
USB_DEVICE_ID_GAMETEL_MT_MODE) },
|
|
|
|
/* GoodTouch panels */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
|
|
USB_DEVICE_ID_GOODTOUCH_000f) },
|
|
|
|
/* Hanvon panels */
|
|
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
|
|
USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
|
|
|
|
/* Ilitek dual touch panel */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
|
|
USB_DEVICE_ID_ILITEK_MULTITOUCH) },
|
|
|
|
/* MosArt panels */
|
|
{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
|
|
USB_DEVICE_ID_ASUS_T91MT)},
|
|
{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
|
|
USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
|
|
{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
|
|
USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
|
|
|
|
/* Panasonic panels */
|
|
{ .driver_data = MT_CLS_PANASONIC,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
|
|
USB_DEVICE_ID_PANABOARD_UBT780) },
|
|
{ .driver_data = MT_CLS_PANASONIC,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
|
|
USB_DEVICE_ID_PANABOARD_UBT880) },
|
|
|
|
/* Novatek Panel */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
|
|
USB_DEVICE_ID_NOVATEK_PCT) },
|
|
|
|
/* PixArt optical touch screen */
|
|
{ .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
|
|
USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
|
|
{ .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
|
|
USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
|
|
{ .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
|
|
USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
|
|
|
|
/* PixCir-based panels */
|
|
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
|
|
USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
|
|
|
|
/* Quanta-based panels */
|
|
{ .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
|
|
USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
|
|
|
|
/* Stantum panels */
|
|
{ .driver_data = MT_CLS_CONFIDENCE,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
|
|
USB_DEVICE_ID_MTP_STM)},
|
|
|
|
/* TopSeed panels */
|
|
{ .driver_data = MT_CLS_TOPSEED,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
|
|
USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
|
|
|
|
/* Touch International panels */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
|
|
USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
|
|
|
|
/* Unitec panels */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
|
|
USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
|
|
USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
|
|
|
|
/* VTL panels */
|
|
{ .driver_data = MT_CLS_VTL,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_VTL,
|
|
USB_DEVICE_ID_VTL_MULTITOUCH_FF3F) },
|
|
|
|
/* Wistron panels */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_WISTRON,
|
|
USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) },
|
|
|
|
/* XAT */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XAT,
|
|
USB_DEVICE_ID_XAT_CSR) },
|
|
|
|
/* Xiroku */
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_SPX) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_MPX) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_CSR) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_SPX1) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_MPX1) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_CSR1) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_SPX2) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_MPX2) },
|
|
{ .driver_data = MT_CLS_NSMU,
|
|
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
|
|
USB_DEVICE_ID_XIROKU_CSR2) },
|
|
|
|
/* Generic MT device */
|
|
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
|
|
|
|
/* Generic Win 8 certified MT device */
|
|
{ .driver_data = MT_CLS_WIN_8,
|
|
HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8,
|
|
HID_ANY_ID, HID_ANY_ID) },
|
|
{ }
|
|
};
|
|
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,
|
|
.input_configured = mt_input_configured,
|
|
.feature_mapping = mt_feature_mapping,
|
|
.usage_table = mt_grabbed_usages,
|
|
.event = mt_event,
|
|
.report = mt_report,
|
|
#ifdef CONFIG_PM
|
|
.reset_resume = mt_reset_resume,
|
|
.resume = mt_resume,
|
|
#endif
|
|
};
|
|
module_hid_driver(mt_driver);
|