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M7350/kernel/drivers/video/msm/mdss/mhl3/si_emsc_hid-mt.c

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M7350v5_en_gpl
2024-09-09 08:57:42 +00:00
/*
* MHL3 HID driver for multitouch panels
*
* Copyright (c) 2013-2014 Lee Mulcahy <william.mulcahy@siliconimage.com>
* Copyright (c) 2013-2014 Silicon Image, Inc
*
* This code is based on hid-multitouch.c:
*
* 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 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/hidraw.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/input/mt.h>
#include "hid-ids.h"
#include "si_emsc_hid.h"
#ifndef PCI_VENDOR_ID_SILICONIMAGE
#define PCI_VENDOR_ID_SILICONIMAGE 0x1095
#define USB_VENDOR_ID_SILICONIMAGE 0x1A4A
#define MHL_PRODUCT_ID_SILICONIMAGE_9394 0x9394
#define MHL_PRODUCT_ID_SILICONIMAGE_9679 0x9679
#define MHL_PRODUCT_ID_SILICONIMAGE_TEST 0x0000
#endif
#ifndef USB_VENDOR_ID_ATMEL
#define USB_VENDOR_ID_ATMEL 0x03EB
#endif
#ifndef USB_DEVICE_ID_ATMEL_MXT_384E
#define USB_DEVICE_ID_ATMEL_MXT_384E 0x2128
#endif
#ifndef USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH 1
#endif
#ifndef USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1 1
#endif
#ifndef USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2 2
#endif
#ifndef USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3 3
#endif
#ifndef USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4 4
#endif
#ifndef USB_VENDOR_ID_ATMEL
#define USB_VENDOR_ID_ATMEL 0x03EB
#endif
#ifndef USB_DEVICE_ID_ATMEL_MXT_384E
#define USB_DEVICE_ID_ATMEL_MXT_384E 0x2128
#endif
/* 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_ALWAYS_VALID (1 << 4)
#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
#define MT_QUIRK_EGALAX_XYZ_FIXUP (1 << 7)
#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
#if (LINUX_KERNEL_VER >= 311)
#define MT_QUIRK_NO_AREA (1 << 9)
#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
#define MT_QUIRK_HOVERING (1 << 11)
#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
#endif
/* SIMG GCS - 130603 - bz33633 */
#define MT_QUIRK_SIMG_FIRST 13
#define MT_QUIRK_SWAP_LEFTRIGHT (1 << (MT_QUIRK_SIMG_FIRST+0))
#define MT_QUIRK_SWAP_UPDOWN (1 << (MT_QUIRK_SIMG_FIRST+1))
#define MT_QUIRK_SWAP_XY (1 << (MT_QUIRK_SIMG_FIRST+2))
#define MT_QUIRK_SWAP_WH (1 << (MT_QUIRK_SIMG_FIRST+3))
struct mt_slot {
#if (LINUX_KERNEL_VER >= 311)
__s32 x, y, cx, cy, p, w, h;
#else
__s32 x, y, p, w, h;
#endif
__s32 contactid; /* the device ContactID assigned to this slot */
bool touch_state; /* is the touch valid? */
#if (LINUX_KERNEL_VER >= 311)
bool inrange_state; /* is the finger in proximity of the sensor? */
#else
bool seen_in_this_frame;/* has this slot been updated */
#endif
};
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;
#if (LINUX_KERNEL_VER >= 311)
bool is_indirect; /* true for touchpads */
#endif
};
#if (LINUX_KERNEL_VER >= 311)
struct mt_device {
struct mt_slot curdata; /* placeholder of incoming data */
struct mt_class mtclass; /* our mt device class */
struct mt_fields *fields; /* temporary placeholder for storing the
multitouch fields */
int cc_index; /* contact count field index in the report */
int cc_value_index; /* contact count value index in the field */
unsigned last_slot_field; /* the last field of a slot */
unsigned mt_report_id; /* the report ID of the multitouch device */
unsigned pen_report_id; /* the report ID of the pen device */
__s16 inputmode; /* InputMode HID feature, -1 if non-existent */
__s16 inputmode_index; /* InputMode HID feature index in the report */
__s16 maxcontact_report_id; /* Maximum Contact Number HID feature,
-1 if non-existent */
__u8 num_received; /* how many contacts we received */
__u8 num_expected; /* expected last contact index */
__u8 maxcontacts;
__u8 touches_by_report; /* how many touches are present in one report:
* 1 means we should use a serial protocol
* > 1 means hybrid (multitouch) protocol */
bool serial_maybe; /* need to check for serial protocol */
bool curvalid; /* is the current contact valid? */
unsigned mt_flags; /* flags to pass to input-mt */
};
struct mt_fields {
unsigned usages[HID_MAX_FIELDS];
unsigned int length;
};
static void mt_post_parse_default_settings(struct mt_device *td);
static void mt_post_parse(struct mt_device *td);
#else
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;
};
#endif
/* classes of device behavior */
#define MT_CLS_DEFAULT 0x0001
#define MT_CLS_SERIAL 0x0002
#define MT_CLS_CONFIDENCE 0x0003
#if (LINUX_KERNEL_VER >= 311)
#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
#define MT_CLS_NSMU 0x000a
#define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
#define MT_CLS_DUAL_CONTACT_ID 0x0011
#else
#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0004
#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0005
#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0006
#define MT_CLS_DUAL_NSMU_CONTACTID 0x0007
#endif
/* vendor specific classes */
#define MT_CLS_3M 0x0101
#define MT_CLS_CYPRESS 0x0102
#define MT_CLS_EGALAX 0x0103
#if (LINUX_KERNEL_VER >= 311)
#define MT_CLS_EGALAX_SERIAL 0x0104
#define MT_CLS_TOPSEED 0x0105
#define MT_CLS_PANASONIC 0x0106
#define MT_CLS_FLATFROG 0x0107
#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
#endif
/* SIMG 140714 - BZ33633 */
#define MT_CLS_OCULAR 0x010A
#define MT_DEFAULT_MAXCONTACT 10
#define MT_DEFAULT_MAXCONTACT 10
#define MT_MAX_MAXCONTACT 250
#if (LINUX_KERNEL_VER >= 311)
#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, \
HID_GROUP_MULTITOUCH, v, p)
#else
#define MT_USB_DEVICE(v, p) HID_USB_DEVICE(v, p)
#endif
/*
* 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;
}
#if (LINUX_KERNEL_VER < 309)
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;
}
#endif
#if (LINUX_KERNEL_VER >= 311)
struct mt_class mhl3_mt_classes[] = {
{ .name = MT_CLS_DEFAULT,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_CONTACT_CNT_ACCURATE },
{ .name = MT_CLS_NSMU,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
{ .name = MT_CLS_SERIAL,
.quirks = MT_QUIRK_ALWAYS_VALID},
{ .name = MT_CLS_CONFIDENCE,
.quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
{ .name = MT_CLS_CONFIDENCE_CONTACT_ID,
.quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
MT_QUIRK_SLOT_IS_CONTACTID },
{ .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 },
{ .name = MT_CLS_INRANGE_CONTACTNUMBER,
.quirks = MT_QUIRK_VALID_IS_INRANGE |
MT_QUIRK_SLOT_IS_CONTACTNUMBER },
{ .name = MT_CLS_DUAL_CONTACT_NUMBER,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_CONTACT_CNT_ACCURATE |
MT_QUIRK_SLOT_IS_CONTACTNUMBER,
.maxcontacts = 2 },
{ .name = MT_CLS_DUAL_CONTACT_ID,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_CONTACT_CNT_ACCURATE |
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,
.maxcontacts = 60,
},
{ .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,
.sn_move = 4096,
.sn_pressure = 32,
},
{ .name = MT_CLS_OCULAR,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_SWAP_UPDOWN |
MT_QUIRK_SWAP_LEFTRIGHT,
.maxcontacts = 8,
},
{ .name = MT_CLS_EGALAX_SERIAL,
.quirks = MT_QUIRK_SLOT_IS_CONTACTID |
MT_QUIRK_ALWAYS_VALID,
.sn_move = 4096,
.sn_pressure = 32,
},
{ .name = MT_CLS_TOPSEED,
.quirks = MT_QUIRK_ALWAYS_VALID,
.is_indirect = true,
.maxcontacts = 2,
},
{ .name = MT_CLS_PANASONIC,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
.maxcontacts = 4 },
{ .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
MT_QUIRK_VALID_IS_INRANGE |
MT_QUIRK_SLOT_IS_CONTACTNUMBER,
.maxcontacts = 2
},
{ .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
MT_QUIRK_SLOT_IS_CONTACTNUMBER
},
{ .name = MT_CLS_FLATFROG,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
MT_QUIRK_NO_AREA,
.sn_move = 2048,
.maxcontacts = 40,
},
{ }
};
#else
struct mt_class mhl3_mt_classes[] = {
{ .name = MT_CLS_DEFAULT,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
{ .name = MT_CLS_SERIAL,
.quirks = MT_QUIRK_ALWAYS_VALID},
{ .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,
},
{ .name = MT_CLS_OCULAR,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_SWAP_UPDOWN |
MT_QUIRK_SWAP_LEFTRIGHT,
.maxcontacts = 8,
},
{ }
};
#endif
#if (LINUX_KERNEL_VER >= 311)
static void mt_free_input_name(struct hid_input *hi)
{
struct hid_device *hdev = hi->report->device;
const char *name = hi->input->name;
if (name != hdev->name) {
hi->input->name = hdev->name;
kfree(name);
}
}
#endif
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:
#if (LINUX_KERNEL_VER >= 311)
/* Ignore if value index is out of bounds. */
if (usage->usage_index >= field->report_count) {
dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n");
break;
}
td->inputmode = field->report->id;
td->inputmode_index = usage->usage_index;
#else
td->inputmode = field->report->id;
#endif
break;
case HID_DG_CONTACTMAX:
#if (LINUX_KERNEL_VER >= 311)
td->maxcontact_report_id = field->report->id;
td->maxcontacts = field->value[0];
if (!td->maxcontacts &&
field->logical_maximum <= MT_MAX_MAXCONTACT)
td->maxcontacts = field->logical_maximum;
/* check if the maxcontacts is given by the class */
if (td->mtclass.maxcontacts)
td->maxcontacts = td->mtclass.maxcontacts;
#else
td->maxcontacts = field->value[0];
/* check if the maxcontacts is given by the class */
if (td->mtclass->maxcontacts)
td->maxcontacts = td->mtclass->maxcontacts;
#endif
break;
#if (LINUX_KERNEL_VER >= 311)
case 0xff0000c5:
if (field->report_count == 256 && field->report_size == 8) {
/* Win 8 devices need special quirks */
__s32 *quirks = &td->mtclass.quirks;
*quirks |= MT_QUIRK_ALWAYS_VALID;
*quirks |= MT_QUIRK_IGNORE_DUPLICATES;
*quirks |= MT_QUIRK_HOVERING;
*quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
*quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
*quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
*quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
}
#endif
}
}
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);
#if (LINUX_KERNEL_VER >= 311)
input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
#endif
}
#if (LINUX_KERNEL_VER >= 311)
static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
struct hid_input *hi)
{
struct mt_fields *f = td->fields;
if (f->length >= HID_MAX_FIELDS)
return;
f->usages[f->length++] = usage->hid;
}
#endif
/*
* In 3.11, this function is called mt_touch_input_mapping
*/
int mhl3_mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
#if (LINUX_KERNEL_VER >= 311)
{
struct mt_device *td = hid_get_drvdata(hdev);
struct mt_class *cls = &td->mtclass;
int code;
struct hid_usage *prev_usage = NULL;
if (field->application == HID_DG_TOUCHSCREEN)
td->mt_flags |= INPUT_MT_DIRECT;
/*
* Model touchscreens providing buttons as touchpads.
*/
if (field->application == HID_DG_TOUCHPAD ||
(usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
td->mt_flags |= INPUT_MT_POINTER;
if (usage->usage_index)
prev_usage = &field->usage[usage->usage_index - 1];
switch (usage->hid & HID_USAGE_PAGE) {
case HID_UP_GENDESK:
switch (usage->hid) {
case HID_GD_X:
if (prev_usage && (prev_usage->hid == usage->hid)) {
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TOOL_X);
set_abs(hi->input, ABS_MT_TOOL_X, field,
cls->sn_move);
} else {
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);
}
mt_store_field(usage, td, hi);
return 1;
case HID_GD_Y:
if (prev_usage && (prev_usage->hid == usage->hid)) {
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TOOL_Y);
set_abs(hi->input, ABS_MT_TOOL_Y, field,
cls->sn_move);
} else {
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);
}
mt_store_field(usage, td, hi);
return 1;
}
return 0;
case HID_UP_DIGITIZER:
switch (usage->hid) {
case HID_DG_INRANGE:
if (cls->quirks & MT_QUIRK_HOVERING) {
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_DISTANCE);
input_set_abs_params(hi->input,
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;
}
#else
{
struct mt_device *td = hid_get_drvdata(hdev);
struct mt_class *cls = td->mtclass;
#ifdef GCS_QUIRKS_FOR_SIMG
__s32 quirks = cls->quirks;
#endif
#if (LINUX_KERNEL_VER >= 311)
/* 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 &&
field->application != HID_DG_TOUCHPAD)
return -1;
#else
/* 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;
#endif
switch (usage->hid & HID_USAGE_PAGE) {
case HID_UP_GENDESK:
switch (usage->hid) {
case HID_GD_X:
#ifdef GCS_QUIRKS_FOR_SIMG
if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
field->logical_maximum = 32760;
#endif
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:
#ifdef GCS_QUIRKS_FOR_SIMG
if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
field->logical_maximum = 32760;
#endif
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;
#if (LINUX_KERNEL_VER >= 311)
input_mt_init_slots(hi->input, td->maxcontacts, 0);
#else
input_mt_init_slots(hi->input, td->maxcontacts);
#endif
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;
}
#endif
int mhl3_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 (LINUX_KERNEL_VER >= 311)
if (field->physical == HID_DG_STYLUS)
return 0;
#endif
if (usage->type == EV_KEY || usage->type == EV_ABS)
set_bit(usage->type, hi->input->evbit);
return -1;
}
#if (LINUX_KERNEL_VER >= 311)
static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
#else
static int mt_compute_slot(struct mt_device *td)
#endif
{
#if (LINUX_KERNEL_VER >= 311)
__s32 quirks = td->mtclass.quirks;
#else
__s32 quirks = td->mtclass->quirks;
#endif
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;
#if (LINUX_KERNEL_VER >= 307)
return input_mt_get_slot_by_key(input, td->curdata.contactid);
#else
return find_slot_from_contactid(td);
#endif
}
/*
* 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
*/
#if (LINUX_KERNEL_VER >= 311)
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) {
/* SIMG GCS - 130603 - bz33633 */
/* this finger is on the screen */
int wide, major, minor;
if (td->mtclass.quirks & MT_QUIRK_SWAP_WH) {
wide = (s->h > s->w);
/*
* Divided by two to match visual scale
* of touch
*/
major = min(s->w, s->h) >> 1;
minor = max(s->w, s->h) >> 1;
} else {
wide = (s->w > s->h);
/*
* Divided by two to match visual scale
* of touch
*/
major = max(s->w, s->h) >> 1;
minor = min(s->w, s->h) >> 1;
}
if (td->mtclass.quirks & MT_QUIRK_SWAP_XY) {
input_event(input, EV_ABS, ABS_MT_POSITION_X,
s->y);
input_event(input, EV_ABS, ABS_MT_POSITION_Y,
s->x);
input_event(input, EV_ABS, ABS_MT_TOOL_X,
s->cy);
input_event(input, EV_ABS, ABS_MT_TOOL_Y,
s->cx);
} else {
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;
}
#else
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) {
/* SIMG GCS - 130603 - bz33633 */
/* this finger is on the screen */
int wide, major, minor;
if (td->mtclass->quirks & MT_QUIRK_SWAP_WH) {
wide = (s->h > s->w);
/*
* Divided by two to match visual scale of
* touch
*/
major = min(s->w, s->h) >> 1;
minor = max(s->w, s->h) >> 1;
} else {
wide = (s->w > s->h);
/*
* Divided by two to match visual scale of
* touch
*/
major = max(s->w, s->h) >> 1;
minor = min(s->w, s->h) >> 1;
}
if (td->mtclass->quirks & MT_QUIRK_SWAP_XY) {
input_event(input, EV_ABS, ABS_MT_POSITION_X,
s->y);
input_event(input, EV_ABS, ABS_MT_POSITION_Y,
s->x);
} else {
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;
}
#endif
int mhl3_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 (LINUX_KERNEL_VER >= 311)
__s32 quirks = td->mtclass.quirks;
#else
__s32 quirks = td->mtclass->quirks;
#endif
#if (LINUX_KERNEL_VER >= 311)
struct input_dev *input = field->hidinput->input;
if (field->report->id != td->mt_report_id)
return 1;
if (hid->claimed & HID_CLAIMED_INPUT) {
#else
if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
#endif
switch (usage->hid) {
case HID_DG_INRANGE:
if (quirks & MT_QUIRK_ALWAYS_VALID)
td->curvalid = true;
else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
#if (LINUX_KERNEL_VER >= 311)
td->curdata.inrange_state = value;
#else
td->curvalid = value;
#endif
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:
/* SIMG 140714 - BZ33633 */
if (quirks & MT_QUIRK_SWAP_LEFTRIGHT)
value = field->logical_maximum - value;
#if (LINUX_KERNEL_VER >= 308)
if (usage->code == ABS_MT_TOOL_X)
td->curdata.cx = value;
else
#endif
td->curdata.x = value;
break;
case HID_GD_Y:
/* SIMG 140714 - BZ33633 */
if (quirks & MT_QUIRK_SWAP_UPDOWN)
value = field->logical_maximum - value;
#if (LINUX_KERNEL_VER >= 308)
if (usage->code == ABS_MT_TOOL_Y)
td->curdata.cy = value;
else
#endif
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:
#if (LINUX_KERNEL_VER < 311)
/*
* Includes multi-packet support where subsequent
* packets are sent with zero contactcount.
*/
if (value)
td->num_expected = value;
#endif
break;
#if (LINUX_KERNEL_VER >= 311)
case HID_DG_TOUCH:
/* do nothing */
break;
default:
if (usage->type)
input_event(input, usage->type, usage->code,
value);
return 1;
} /* end of switch */
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);
}
}
#else
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);
#endif
return 1;
}
#if (LINUX_KERNEL_VER >= 311)
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++)
mhl3_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;
input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
td->mt_flags = 0;
}
void mt_report(struct hid_device *hid, struct hid_report *report)
{
struct mt_device *td = hid_get_drvdata(hid);
MHL3_HID_DBG_INFO(
"%s mt_report welcome %x %x\n", __func__,
(int)(hid->claimed & HID_CLAIMED_INPUT),
(int)(report->id == td->mt_report_id));
if (!(hid->claimed & HID_CLAIMED_INPUT))
return;
if (report->id == td->mt_report_id)
mt_touch_report(hid, report);
}
#endif
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 (LINUX_KERNEL_VER >= 311)
if (r) {
r->field[0]->value[td->inputmode_index] = 0x02;
/* hid_hw_request(hdev, r, HID_REQ_SET_REPORT); */
}
#else
if (r) {
r->field[0]->value[0] = 0x02;
/* TODO: mhl3_hid_submit_report(hdev, r, USB_DIR_OUT); */
}
#endif
}
#if (LINUX_KERNEL_VER >= 311)
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;
}
void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
{
struct mt_device *td = hid_get_drvdata(hdev);
char *name = kstrdup(hdev->name, GFP_KERNEL);
MHL3_HID_DBG_INFO(
"%s mt_input_configured welcome\n", __func__);
if (name)
hi->input->name = name;
if (hi->report->id == td->mt_report_id)
mt_touch_input_configured(hdev, hi);
}
#endif
static const struct hid_device_id mhl3_mt_devices[] = {
{ .driver_data = MT_CLS_SERIAL,
HID_USB_DEVICE(USB_VENDOR_ID_SILICONIMAGE,
MHL_PRODUCT_ID_SILICONIMAGE_9394) },
{ .driver_data = MT_CLS_SERIAL,
HID_USB_DEVICE(USB_VENDOR_ID_SILICONIMAGE,
MHL_PRODUCT_ID_SILICONIMAGE_9679) },
{ .driver_data = MT_CLS_SERIAL,
HID_USB_DEVICE(USB_VENDOR_ID_SILICONIMAGE,
MHL_PRODUCT_ID_SILICONIMAGE_TEST) },
{ .driver_data = MT_CLS_SERIAL,
HID_USB_DEVICE(PCI_VENDOR_ID_SILICONIMAGE,
MHL_PRODUCT_ID_SILICONIMAGE_9394) },
{ .driver_data = MT_CLS_SERIAL,
HID_USB_DEVICE(PCI_VENDOR_ID_SILICONIMAGE,
MHL_PRODUCT_ID_SILICONIMAGE_9679) },
{ .driver_data = MT_CLS_SERIAL,
HID_USB_DEVICE(PCI_VENDOR_ID_SILICONIMAGE,
MHL_PRODUCT_ID_SILICONIMAGE_TEST) },
{ .driver_data = MT_CLS_DEFAULT, MT_USB_DEVICE(0x0457, 0x10A8) },
{ .driver_data = MT_CLS_DEFAULT, MT_USB_DEVICE(0x2383, 0x0065) },
{ .driver_data = MT_CLS_DEFAULT, MT_USB_DEVICE(0x1013, 0x1030) },
{ .driver_data = MT_CLS_DEFAULT, MT_USB_DEVICE(0x04d8, 0xf723) },
{ .driver_data = MT_CLS_DEFAULT, MT_USB_DEVICE(0x1b96, 0x0007) },
/* 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) },
/* ActionStar panels */
{ .driver_data = MT_CLS_DEFAULT,
HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
USB_DEVICE_ID_ACTIONSTAR_1011) },
/* Added - Atmel panels */
{ .driver_data = MT_CLS_OCULAR,
HID_USB_DEVICE(USB_VENDOR_ID_ATMEL,
USB_DEVICE_ID_ATMEL_MXT_384E) },
{ .driver_data = MT_CLS_SERIAL,
HID_USB_DEVICE(USB_VENDOR_ID_ATMEL, 0x214E) },
/* 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) },
/* 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) },
/* Ideacom panel */
{ .driver_data = MT_CLS_SERIAL,
HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
USB_DEVICE_ID_IDEACOM_IDC6650) },
/* 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) },
/* XAT */
{ .driver_data = MT_CLS_DEFAULT,
HID_USB_DEVICE(USB_VENDOR_ID_XAT,
USB_DEVICE_ID_XAT_CSR) },
#if (LINUX_KERNEL_VER >= 311)
{ .driver_data = MT_CLS_3M,
MT_USB_DEVICE(USB_VENDOR_ID_3M,
USB_DEVICE_ID_3M3266) },
{ .driver_data = MT_CLS_SERIAL,
MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
USB_DEVICE_ID_ATMEL_MULTITOUCH) },
{ .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) },
/* Data Modul easyMaxTouch */
{ .driver_data = MT_CLS_DEFAULT,
MT_USB_DEVICE(USB_VENDOR_ID_DATA_MODUL,
USB_VENDOR_ID_DATA_MODUL_EASYMAXTOUCH) },
/* 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) },
/* Flatfrog Panels */
{ .driver_data = MT_CLS_FLATFROG,
MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
USB_DEVICE_ID_MULTITOUCH_3200) },
{ .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
/* Gametel game controller */
{ .driver_data = MT_CLS_NSMU,
MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
USB_DEVICE_ID_GAMETEL_MT_MODE) },
/* Hanvon panels */
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
{ .driver_data = MT_CLS_SERIAL,
MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
USB_DEVICE_ID_IDEACOM_IDC6651) },
/* Nexio panels */
{ .driver_data = MT_CLS_DEFAULT,
MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
/* 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) },
/* Quanta-based panels */
{ .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
{ .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
{ .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
/* TopSeed panels */
{ .driver_data = MT_CLS_TOPSEED,
MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
/* 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) },
/* Zytronic panels */
{ .driver_data = MT_CLS_SERIAL,
MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
USB_DEVICE_ID_ZYTRONIC_ZXY100) },
/* Generic MT device */
{ HID_DEVICE(HID_BUS_ANY,
HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
{ .driver_data = MT_CLS_DEFAULT,
MT_USB_DEVICE(USB_VENDOR_ID_DATA_MODUL,
USB_VENDOR_ID_DATA_MODUL_EASYMAXTOUCH) },
{ HID_DEVICE(BUS_VIRTUAL,
HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
#endif
{ }
};
MODULE_DEVICE_TABLE(hid, mhl3_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}
};
/* If incoming HID device is a multitouch device, this function
* will process it instead of the normal HID connect.
*
* Do not call in an interrupt context.
*/
int mhl3_mt_add(struct mhl3_hid_data *mhid, struct hid_device_id *id)
{
int ret, i;
struct hid_device *hdev = mhid->hid;
struct mt_device *td;
struct mt_class *mtclass = mhl3_mt_classes; /* MT_CLS_DEFAULT */
const struct hid_device_id *this_id = NULL;
#if (LINUX_KERNEL_VER >= 311)
struct hid_input *hi;
#endif
for (i = 0; mhl3_mt_devices[i].driver_data; i++) {
if ((id->vendor == mhl3_mt_devices[i].vendor) &&
(id->product == mhl3_mt_devices[i].product)) {
this_id = &mhl3_mt_devices[i];
break;
}
}
if (this_id == NULL) {
MHL3_HID_DBG_INFO(
"VID/PID %04X/%04X not found\n", (int)id->vendor,
(int)id->product);
return -ENODEV;
}
for (i = 0; mhl3_mt_classes[i].name; i++) {
if (this_id->driver_data == mhl3_mt_classes[i].name) {
mtclass = &(mhl3_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;
#if (LINUX_KERNEL_VER >= 311)
/*
* 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;
#endif
td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
if (!td) {
dev_err(&hdev->dev, "cannot allocate multitouch data\n");
return -ENOMEM;
}
#if (LINUX_KERNEL_VER >= 311)
td->mtclass = *mtclass;
td->maxcontact_report_id = -1;
td->cc_index = -1;
td->mt_report_id = -1;
td->pen_report_id = -1;
#else
td->mtclass = mtclass;
td->last_mt_collection = -1;
#endif
td->inputmode = -1;
hid_set_drvdata(hdev, td);
#if (LINUX_KERNEL_VER >= 311)
td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
if (!td->fields) {
dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
ret = -ENOMEM;
goto fail;
}
if ((id->vendor == HID_ANY_ID) && (id->product == HID_ANY_ID))
td->serial_maybe = true;
#endif
ret = mhl3_hid_report_desc_parse(mhid);
if (ret != 0)
goto fail;
/* ret = hid_connect(hdev, HID_CONNECT_DEFAULT); */
ret = hidinput_connect(hdev, 0);
if (!ret) {
MHL3_HID_DBG_ERR(
"%s hidinput_connect succeeded\n", __func__);
hdev->claimed |= HID_CLAIMED_INPUT;
mhid->flags |= MHL3_HID_CONNECTED;
} else {
MHL3_HID_DBG_ERR(
"%s hidinput_connect FAILED with value %x\n", __func__,
(int)ret);
#if (LINUX_KERNEL_VER >= 311)
goto hid_fail;
#endif
}
/* TODO: HIDRAW not supported
if (!hidraw_connect(hdev)) {
MHL3_HID_DBG_ERR(
"%s hidraw_connect succeeded\n", __func__);
hdev->claimed |= HID_CLAIMED_HIDRAW;
mhid->flags |= MHL3_HID_CONNECTED;
} else {
MHL3_HID_DBG_ERR(
"%s hidraw_connect FAILED\n", __func__);
}
*/
/* if (ret)
goto fail;
*/
#if (LINUX_KERNEL_VER >= 311)
mt_set_maxcontacts(hdev);
mt_set_input_mode(hdev);
kfree(td->fields);
td->fields = NULL;
return 0;
hid_fail:
list_for_each_entry(hi, &hdev->inputs, list)
mt_free_input_name(hi);
fail:
kfree(td->fields);
#else
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:
#endif
kfree(td);
return ret;
}
#if 0
#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);
#if (LINUX_KERNEL_VER >= 311)
struct hid_input *hi;
list_for_each_entry(hi, &hdev->inputs, list)
mt_free_input_name(hi);
hid_hw_stop(hdev);
#else
hid_hw_stop(hdev);
kfree(td->slots);
#endif
kfree(td);
hid_set_drvdata(hdev, NULL);
}
static struct hid_driver mt_driver = {
.name = "hid-multitouch",
.id_table = mhl3_mt_devices,
/* .probe = mt_probe, */
.remove = mt_remove,
.input_mapping = mhl3_mt_input_mapping,
.input_mapped = mhl3_mt_input_mapped,
#if (LINUX_KERNEL_VER >= 311)
.input_configured = mt_input_configured,
#endif
.feature_mapping = mt_feature_mapping,
.usage_table = mt_grabbed_usages,
/* .event = mt_event, */
#if (LINUX_KERNEL_VER >= 311)
.report = mt_report,
#endif
#ifdef CONFIG_PM
.reset_resume = mt_reset_resume,
#if (LINUX_KERNEL_VER >= 311)
.resume = mt_resume,
#endif
#endif
};
static int __init mt_init(void)
{
return hid_register_driver(&mt_driver);
}
static void __exit mt_exit(void)
{
hid_unregister_driver(&mt_driver);
}
#endif
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