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HID: uclogic: Extract report descriptors to a module

Browse Source 
As hid-uclogic has a lot of report descriptors already and there's going
to be more, move them out of the driver code and into a separate module.

Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
This commit is contained in:
Nikolai Kondrashov 2019-02-10 12:13:50 +02:00 committed by Benjamin Tissoires
parent bf226cd331
commit ff0c13d6d2
4 changed files with 747 additions and 542 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/hid/Makefile
View File

@ -108,6 +108,8 @@ obj-$(CONFIG_HID_THRUSTMASTER) += hid-tmff.o
obj-$(CONFIG_HID_TIVO) += hid-tivo.o
obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o
obj-$(CONFIG_HID_TWINHAN) += hid-twinhan.o
hid-uclogic-objs := hid-uclogic-core.o \
hid-uclogic-rdesc.o
obj-$(CONFIG_HID_UCLOGIC) += hid-uclogic.o
obj-$(CONFIG_HID_UDRAW_PS3) += hid-udraw-ps3.o
obj-$(CONFIG_HID_LED) += hid-led.o

493
drivers/hid/hid-uclogic-core.c Normal file
View File

@ -0,0 +1,493 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* HID driver for UC-Logic devices not fully compliant with HID standard
*
* Copyright (c) 2010-2014 Nikolai Kondrashov
* Copyright (c) 2013 Martin Rusko
*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*/
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/usb.h>
#include "usbhid/usbhid.h"
#include "hid-uclogic-rdesc.h"
#include "hid-ids.h"
/* Parameter indices */
enum uclogic_prm {
UCLOGIC_PRM_X_LM = 1,
UCLOGIC_PRM_Y_LM = 2,
UCLOGIC_PRM_PRESSURE_LM = 4,
UCLOGIC_PRM_RESOLUTION = 5,
UCLOGIC_PRM_NUM
};
/* Driver data */
struct uclogic_drvdata {
__u8 *rdesc;
unsigned int rsize;
bool invert_pen_inrange;
bool ignore_pen_usage;
bool has_virtual_pad_interface;
};
static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
__u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
if (drvdata->rdesc != NULL) {
rdesc = drvdata->rdesc;
*rsize = drvdata->rsize;
return rdesc;
}
switch (hdev->product) {
case USB_DEVICE_ID_UCLOGIC_TABLET_PF1209:
if (*rsize == UCLOGIC_RDESC_PF1209_ORIG_SIZE) {
rdesc = uclogic_rdesc_pf1209_fixed_arr;
*rsize = uclogic_rdesc_pf1209_fixed_size;
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U:
if (*rsize == UCLOGIC_RDESC_WPXXXXU_ORIG_SIZE) {
rdesc = uclogic_rdesc_wp4030u_fixed_arr;
*rsize = uclogic_rdesc_wp4030u_fixed_size;
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U:
if (*rsize == UCLOGIC_RDESC_WPXXXXU_ORIG_SIZE) {
rdesc = uclogic_rdesc_wp5540u_fixed_arr;
*rsize = uclogic_rdesc_wp5540u_fixed_size;
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U:
if (*rsize == UCLOGIC_RDESC_WPXXXXU_ORIG_SIZE) {
rdesc = uclogic_rdesc_wp8060u_fixed_arr;
*rsize = uclogic_rdesc_wp8060u_fixed_size;
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_WP1062:
if (*rsize == UCLOGIC_RDESC_WP1062_ORIG_SIZE) {
rdesc = uclogic_rdesc_wp1062_fixed_arr;
*rsize = uclogic_rdesc_wp1062_fixed_size;
}
break;
case USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850:
switch (iface_num) {
case 0:
if (*rsize == UCLOGIC_RDESC_TWHL850_ORIG0_SIZE) {
rdesc = uclogic_rdesc_twhl850_fixed0_arr;
*rsize = uclogic_rdesc_twhl850_fixed0_size;
}
break;
case 1:
if (*rsize == UCLOGIC_RDESC_TWHL850_ORIG1_SIZE) {
rdesc = uclogic_rdesc_twhl850_fixed1_arr;
*rsize = uclogic_rdesc_twhl850_fixed1_size;
}
break;
case 2:
if (*rsize == UCLOGIC_RDESC_TWHL850_ORIG2_SIZE) {
rdesc = uclogic_rdesc_twhl850_fixed2_arr;
*rsize = uclogic_rdesc_twhl850_fixed2_size;
}
break;
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60:
switch (iface_num) {
case 0:
if (*rsize == UCLOGIC_RDESC_TWHA60_ORIG0_SIZE) {
rdesc = uclogic_rdesc_twha60_fixed0_arr;
*rsize = uclogic_rdesc_twha60_fixed0_size;
}
break;
case 1:
if (*rsize == UCLOGIC_RDESC_TWHA60_ORIG1_SIZE) {
rdesc = uclogic_rdesc_twha60_fixed1_arr;
*rsize = uclogic_rdesc_twha60_fixed1_size;
}
break;
}
break;
}
return rdesc;
}
static int uclogic_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
/* discard the unused pen interface */
if ((drvdata->ignore_pen_usage) &&
(field->application == HID_DG_PEN))
return -1;
/* let hid-core decide what to do */
return 0;
}
static int uclogic_input_configured(struct hid_device *hdev,
struct hid_input *hi)
{
char *name;
const char *suffix = NULL;
struct hid_field *field;
size_t len;
/* no report associated (HID_QUIRK_MULTI_INPUT not set) */
if (!hi->report)
return 0;
field = hi->report->field[0];
switch (field->application) {
case HID_GD_KEYBOARD:
suffix = "Keyboard";
break;
case HID_GD_MOUSE:
suffix = "Mouse";
break;
case HID_GD_KEYPAD:
suffix = "Pad";
break;
case HID_DG_PEN:
suffix = "Pen";
break;
case HID_CP_CONSUMER_CONTROL:
suffix = "Consumer Control";
break;
case HID_GD_SYSTEM_CONTROL:
suffix = "System Control";
break;
}
if (suffix) {
len = strlen(hdev->name) + 2 + strlen(suffix);
name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL);
if (name) {
snprintf(name, len, "%s %s", hdev->name, suffix);
hi->input->name = name;
}
}
return 0;
}
/**
* Enable fully-functional tablet mode and determine device parameters.
*
* @hdev: HID device
*/
static int uclogic_tablet_enable(struct hid_device *hdev)
{
int rc;
struct usb_device *usb_dev = hid_to_usb_dev(hdev);
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
__le16 *buf = NULL;
size_t len;
s32 params[UCLOGIC_RDESC_PEN_PH_ID_NUM];
s32 resolution;
/*
* Read string descriptor containing tablet parameters. The specific
* string descriptor and data were discovered by sniffing the Windows
* driver traffic.
* NOTE: This enables fully-functional tablet mode.
*/
len = UCLOGIC_PRM_NUM * sizeof(*buf);
buf = kmalloc(len, GFP_KERNEL);
if (buf == NULL) {
rc = -ENOMEM;
goto cleanup;
}
rc = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
(USB_DT_STRING << 8) + 0x64,
0x0409, buf, len,
USB_CTRL_GET_TIMEOUT);
if (rc == -EPIPE) {
hid_err(hdev, "device parameters not found\n");
rc = -ENODEV;
goto cleanup;
} else if (rc < 0) {
hid_err(hdev, "failed to get device parameters: %d\n", rc);
rc = -ENODEV;
goto cleanup;
} else if (rc != len) {
hid_err(hdev, "invalid device parameters\n");
rc = -ENODEV;
goto cleanup;
}
/* Extract device parameters */
params[UCLOGIC_RDESC_PEN_PH_ID_X_LM] =
le16_to_cpu(buf[UCLOGIC_PRM_X_LM]);
params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] =
le16_to_cpu(buf[UCLOGIC_PRM_Y_LM]);
params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] =
le16_to_cpu(buf[UCLOGIC_PRM_PRESSURE_LM]);
resolution = le16_to_cpu(buf[UCLOGIC_PRM_RESOLUTION]);
if (resolution == 0) {
params[UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0;
params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0;
} else {
params[UCLOGIC_RDESC_PEN_PH_ID_X_PM] =
params[UCLOGIC_RDESC_PEN_PH_ID_X_LM] *
1000 / resolution;
params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM] =
params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM] *
1000 / resolution;
}
/* Format fixed report descriptor */
drvdata->rdesc = uclogic_rdesc_template_apply(
uclogic_rdesc_pen_template_arr,
uclogic_rdesc_pen_template_size,
params, ARRAY_SIZE(params));
if (drvdata->rdesc == NULL) {
rc = -ENOMEM;
goto cleanup;
}
drvdata->rsize = uclogic_rdesc_pen_template_size;
rc = 0;
cleanup:
kfree(buf);
return rc;
}
/**
* Enable actual button mode.
*
* @hdev: HID device
*/
static int uclogic_button_enable(struct hid_device *hdev)
{
int rc;
struct usb_device *usb_dev = hid_to_usb_dev(hdev);
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
char *str_buf;
size_t str_len = 16;
unsigned char *rdesc;
size_t rdesc_len;
str_buf = kzalloc(str_len, GFP_KERNEL);
if (str_buf == NULL) {
rc = -ENOMEM;
goto cleanup;
}
/* Enable abstract keyboard mode */
rc = usb_string(usb_dev, 0x7b, str_buf, str_len);
if (rc == -EPIPE) {
hid_info(hdev, "button mode setting not found\n");
rc = 0;
goto cleanup;
} else if (rc < 0) {
hid_err(hdev, "failed to enable abstract keyboard\n");
goto cleanup;
} else if (strncmp(str_buf, "HK On", rc)) {
hid_info(hdev, "invalid answer when requesting buttons: '%s'\n",
str_buf);
rc = -EINVAL;
goto cleanup;
}
/* Re-allocate fixed report descriptor */
rdesc_len = drvdata->rsize + uclogic_rdesc_buttonpad_size;
rdesc = devm_kzalloc(&hdev->dev, rdesc_len, GFP_KERNEL);
if (!rdesc) {
rc = -ENOMEM;
goto cleanup;
}
memcpy(rdesc, drvdata->rdesc, drvdata->rsize);
/* Append the buttonpad descriptor */
memcpy(rdesc + drvdata->rsize, uclogic_rdesc_buttonpad_arr,
uclogic_rdesc_buttonpad_size);
/* clean up old rdesc and use the new one */
drvdata->rsize = rdesc_len;
devm_kfree(&hdev->dev, drvdata->rdesc);
drvdata->rdesc = rdesc;
rc = 0;
cleanup:
kfree(str_buf);
return rc;
}
static int uclogic_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
int rc;
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
struct usb_device *udev = hid_to_usb_dev(hdev);
struct uclogic_drvdata *drvdata;
/*
* libinput requires the pad interface to be on a different node
* than the pen, so use QUIRK_MULTI_INPUT for all tablets.
*/
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
/* Allocate and assign driver data */
drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
if (drvdata == NULL)
return -ENOMEM;
hid_set_drvdata(hdev, drvdata);
switch (id->product) {
case USB_DEVICE_ID_HUION_TABLET:
case USB_DEVICE_ID_YIYNOVA_TABLET:
case USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_81:
case USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3:
case USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_45:
/* If this is the pen interface */
if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
rc = uclogic_tablet_enable(hdev);
if (rc) {
hid_err(hdev, "tablet enabling failed\n");
return rc;
}
drvdata->invert_pen_inrange = true;
rc = uclogic_button_enable(hdev);
drvdata->has_virtual_pad_interface = !rc;
} else {
drvdata->ignore_pen_usage = true;
}
break;
case USB_DEVICE_ID_UGTIZER_TABLET_GP0610:
case USB_DEVICE_ID_UGEE_TABLET_EX07S:
/* If this is the pen interface */
if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
rc = uclogic_tablet_enable(hdev);
if (rc) {
hid_err(hdev, "tablet enabling failed\n");
return rc;
}
drvdata->invert_pen_inrange = true;
} else {
drvdata->ignore_pen_usage = true;
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60:
/*
* If it is the three-interface version, which is known to
* respond to initialization.
*/
if (udev->config->desc.bNumInterfaces == 3) {
/* If it is the pen interface */
if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
rc = uclogic_tablet_enable(hdev);
if (rc) {
hid_err(hdev, "tablet enabling failed\n");
return rc;
}
drvdata->invert_pen_inrange = true;
rc = uclogic_button_enable(hdev);
drvdata->has_virtual_pad_interface = !rc;
} else {
drvdata->ignore_pen_usage = true;
}
}
break;
}
rc = hid_parse(hdev);
if (rc) {
hid_err(hdev, "parse failed\n");
return rc;
}
rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (rc) {
hid_err(hdev, "hw start failed\n");
return rc;
}
return 0;
}
static int uclogic_raw_event(struct hid_device *hdev, struct hid_report *report,
u8 *data, int size)
{
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
if ((report->type == HID_INPUT_REPORT) &&
(report->id == UCLOGIC_RDESC_PEN_ID) &&
(size >= 2)) {
if (drvdata->has_virtual_pad_interface && (data[1] & 0x20))
/* Change to virtual frame button report ID */
data[0] = 0xf7;
else if (drvdata->invert_pen_inrange)
/* Invert the in-range bit */
data[1] ^= 0x40;
}
return 0;
}
static const struct hid_device_id uclogic_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_81) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_45) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) },
{ }
};
MODULE_DEVICE_TABLE(hid, uclogic_devices);
static struct hid_driver uclogic_driver = {
.name = "uclogic",
.id_table = uclogic_devices,
.probe = uclogic_probe,
.report_fixup = uclogic_report_fixup,
.raw_event = uclogic_raw_event,
.input_mapping = uclogic_input_mapping,
.input_configured = uclogic_input_configured,
};
module_hid_driver(uclogic_driver);
MODULE_AUTHOR("Martin Rusko");
MODULE_AUTHOR("Nikolai Kondrashov");
MODULE_LICENSE("GPL");

677
drivers/hid/hid-uclogic.c → drivers/hid/hid-uclogic-rdesc.c
View File

@ -1,7 +1,9 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* HID driver for UC-Logic devices not fully compliant with HID standard
* - original and fixed report descriptors
*
* Copyright (c) 2010-2014 Nikolai Kondrashov
* Copyright (c) 2010-2017 Nikolai Kondrashov
* Copyright (c) 2013 Martin Rusko
*/
@ -12,20 +14,12 @@
* any later version.
*/
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/usb.h>
#include "hid-uclogic-rdesc.h"
#include <linux/slab.h>
#include <asm/unaligned.h>
#include "usbhid/usbhid.h"
#include "hid-ids.h"
/* Size of the original descriptor of WPXXXXU tablets */
#define WPXXXXU_RDESC_ORIG_SIZE 212
/* Fixed WP4030U report descriptor */
static __u8 wp4030u_rdesc_fixed[] = {
__u8 uclogic_rdesc_wp4030u_fixed_arr[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
@ -66,8 +60,11 @@ static __u8 wp4030u_rdesc_fixed[] = {
0xC0 /* End Collection */
};
const size_t uclogic_rdesc_wp4030u_fixed_size =
sizeof(uclogic_rdesc_wp4030u_fixed_arr);
/* Fixed WP5540U report descriptor */
static __u8 wp5540u_rdesc_fixed[] = {
__u8 uclogic_rdesc_wp5540u_fixed_arr[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
@ -140,8 +137,11 @@ static __u8 wp5540u_rdesc_fixed[] = {
0xC0 /* End Collection */
};
const size_t uclogic_rdesc_wp5540u_fixed_size =
sizeof(uclogic_rdesc_wp5540u_fixed_arr);
/* Fixed WP8060U report descriptor */
static __u8 wp8060u_rdesc_fixed[] = {
__u8 uclogic_rdesc_wp8060u_fixed_arr[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
@ -214,11 +214,11 @@ static __u8 wp8060u_rdesc_fixed[] = {
0xC0 /* End Collection */
};
/* Size of the original descriptor of WP1062 tablet */
#define WP1062_RDESC_ORIG_SIZE 254
const size_t uclogic_rdesc_wp8060u_fixed_size =
sizeof(uclogic_rdesc_wp8060u_fixed_arr);
/* Fixed WP1062 report descriptor */
static __u8 wp1062_rdesc_fixed[] = {
__u8 uclogic_rdesc_wp1062_fixed_arr[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
@ -262,11 +262,11 @@ static __u8 wp1062_rdesc_fixed[] = {
0xC0 /* End Collection */
};
/* Size of the original descriptor of PF1209 tablet */
#define PF1209_RDESC_ORIG_SIZE 234
const size_t uclogic_rdesc_wp1062_fixed_size =
sizeof(uclogic_rdesc_wp1062_fixed_arr);
/* Fixed PF1209 report descriptor */
static __u8 pf1209_rdesc_fixed[] = {
__u8 uclogic_rdesc_pf1209_fixed_arr[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
@ -339,13 +339,11 @@ static __u8 pf1209_rdesc_fixed[] = {
0xC0 /* End Collection */
};
/* Size of the original descriptors of TWHL850 tablet */
#define TWHL850_RDESC_ORIG_SIZE0 182
#define TWHL850_RDESC_ORIG_SIZE1 161
#define TWHL850_RDESC_ORIG_SIZE2 92
const size_t uclogic_rdesc_pf1209_fixed_size =
sizeof(uclogic_rdesc_pf1209_fixed_arr);
/* Fixed PID 0522 tablet report descriptor, interface 0 (stylus) */
static __u8 twhl850_rdesc_fixed0[] = {
__u8 uclogic_rdesc_twhl850_fixed0_arr[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
@ -387,8 +385,11 @@ static __u8 twhl850_rdesc_fixed0[] = {
0xC0 /* End Collection */
};
const size_t uclogic_rdesc_twhl850_fixed0_size =
sizeof(uclogic_rdesc_twhl850_fixed0_arr);
/* Fixed PID 0522 tablet report descriptor, interface 1 (mouse) */
static __u8 twhl850_rdesc_fixed1[] = {
__u8 uclogic_rdesc_twhl850_fixed1_arr[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x02, /* Usage (Mouse), */
0xA1, 0x01, /* Collection (Application), */
@ -424,8 +425,11 @@ static __u8 twhl850_rdesc_fixed1[] = {
0xC0 /* End Collection */
};
const size_t uclogic_rdesc_twhl850_fixed1_size =
sizeof(uclogic_rdesc_twhl850_fixed1_arr);
/* Fixed PID 0522 tablet report descriptor, interface 2 (frame buttons) */
static __u8 twhl850_rdesc_fixed2[] = {
__u8 uclogic_rdesc_twhl850_fixed2_arr[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x06, /* Usage (Keyboard), */
0xA1, 0x01, /* Collection (Application), */
@ -447,12 +451,11 @@ static __u8 twhl850_rdesc_fixed2[] = {
0xC0 /* End Collection */
};
/* Size of the original descriptors of TWHA60 tablet */
#define TWHA60_RDESC_ORIG_SIZE0 254
#define TWHA60_RDESC_ORIG_SIZE1 139
const size_t uclogic_rdesc_twhl850_fixed2_size =
sizeof(uclogic_rdesc_twhl850_fixed2_arr);
/* Fixed TWHA60 report descriptor, interface 0 (stylus) */
static __u8 twha60_rdesc_fixed0[] = {
__u8 uclogic_rdesc_twha60_fixed0_arr[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
@ -497,8 +500,11 @@ static __u8 twha60_rdesc_fixed0[] = {
0xC0 /* End Collection */
};
const size_t uclogic_rdesc_twha60_fixed0_size =
sizeof(uclogic_rdesc_twha60_fixed0_arr);
/* Fixed TWHA60 report descriptor, interface 1 (frame buttons) */
static __u8 twha60_rdesc_fixed1[] = {
__u8 uclogic_rdesc_twha60_fixed1_arr[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x06, /* Usage (Keyboard), */
0xA1, 0x01, /* Collection (Application), */
@ -522,25 +528,11 @@ static __u8 twha60_rdesc_fixed1[] = {
0xC0 /* End Collection */
};
/* Report descriptor template placeholder head */
#define UCLOGIC_PH_HEAD 0xFE, 0xED, 0x1D
const size_t uclogic_rdesc_twha60_fixed1_size =
sizeof(uclogic_rdesc_twha60_fixed1_arr);
/* Report descriptor template placeholder IDs */
enum uclogic_ph_id {
UCLOGIC_PH_ID_X_LM,
UCLOGIC_PH_ID_X_PM,
UCLOGIC_PH_ID_Y_LM,
UCLOGIC_PH_ID_Y_PM,
UCLOGIC_PH_ID_PRESSURE_LM,
UCLOGIC_PH_ID_NUM
};
/* Report descriptor template placeholder */
#define UCLOGIC_PH(_ID) UCLOGIC_PH_HEAD, UCLOGIC_PH_ID_##_ID
#define UCLOGIC_PEN_REPORT_ID 0x07
/* Fixed report descriptor template */
static const __u8 uclogic_tablet_rdesc_template[] = {
/* Fixed report descriptor template for (tweaked) pen reports */
const __u8 uclogic_rdesc_pen_template_arr[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
@ -570,521 +562,122 @@ static const __u8 uclogic_tablet_rdesc_template[] = {
0x55, 0xFD, /* Unit Exponent (-3), */
0x34, /* Physical Minimum (0), */
0x09, 0x30, /* Usage (X), */
0x27, UCLOGIC_PH(X_LM), /* Logical Maximum (PLACEHOLDER), */
0x47, UCLOGIC_PH(X_PM), /* Physical Maximum (PLACEHOLDER), */
0x27, UCLOGIC_RDESC_PEN_PH(X_LM),
/* Logical Maximum (PLACEHOLDER), */
0x47, UCLOGIC_RDESC_PEN_PH(X_PM),
/* Physical Maximum (PLACEHOLDER), */
0x81, 0x02, /* Input (Variable), */
0x09, 0x31, /* Usage (Y), */
0x27, UCLOGIC_PH(Y_LM), /* Logical Maximum (PLACEHOLDER), */
0x47, UCLOGIC_PH(Y_PM), /* Physical Maximum (PLACEHOLDER), */
0x27, UCLOGIC_RDESC_PEN_PH(Y_LM),
/* Logical Maximum (PLACEHOLDER), */
0x47, UCLOGIC_RDESC_PEN_PH(Y_PM),
/* Physical Maximum (PLACEHOLDER), */
0x81, 0x02, /* Input (Variable), */
0xB4, /* Pop, */
0x09, 0x30, /* Usage (Tip Pressure), */
0x27,
UCLOGIC_PH(PRESSURE_LM),/* Logical Maximum (PLACEHOLDER), */
0x27, UCLOGIC_RDESC_PEN_PH(PRESSURE_LM),
/* Logical Maximum (PLACEHOLDER), */
0x81, 0x02, /* Input (Variable), */
0xC0, /* End Collection, */
0xC0 /* End Collection */
};
/* Fixed virtual pad report descriptor */
static const __u8 uclogic_buttonpad_rdesc[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x07, /* Usage (Keypad), */
0xA1, 0x01, /* Collection (Application), */
0x85, 0xF7, /* Report ID (247), */
0x05, 0x0D, /* Usage Page (Digitizers), */
0x09, 0x39, /* Usage (Tablet Function Keys), */
0xA0, /* Collection (Physical), */
0x05, 0x09, /* Usage Page (Button), */
0x75, 0x01, /* Report Size (1), */
0x95, 0x18, /* Report Count (24), */
0x81, 0x03, /* Input (Constant, Variable), */
0x19, 0x01, /* Usage Minimum (01h), */
0x29, 0x08, /* Usage Maximum (08h), */
0x95, 0x08, /* Report Count (8), */
0x81, 0x02, /* Input (Variable), */
0xC0, /* End Collection */
0xC0 /* End Collection */
};
/* Parameter indices */
enum uclogic_prm {
UCLOGIC_PRM_X_LM = 1,
UCLOGIC_PRM_Y_LM = 2,
UCLOGIC_PRM_PRESSURE_LM = 4,
UCLOGIC_PRM_RESOLUTION = 5,
UCLOGIC_PRM_NUM
};
/* Driver data */
struct uclogic_drvdata {
__u8 *rdesc;
unsigned int rsize;
bool invert_pen_inrange;
bool ignore_pen_usage;
bool has_virtual_pad_interface;
};
static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
__u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
if (drvdata->rdesc != NULL) {
rdesc = drvdata->rdesc;
*rsize = drvdata->rsize;
return rdesc;
}
switch (hdev->product) {
case USB_DEVICE_ID_UCLOGIC_TABLET_PF1209:
if (*rsize == PF1209_RDESC_ORIG_SIZE) {
rdesc = pf1209_rdesc_fixed;
*rsize = sizeof(pf1209_rdesc_fixed);
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U:
if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
rdesc = wp4030u_rdesc_fixed;
*rsize = sizeof(wp4030u_rdesc_fixed);
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U:
if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
rdesc = wp5540u_rdesc_fixed;
*rsize = sizeof(wp5540u_rdesc_fixed);
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U:
if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
rdesc = wp8060u_rdesc_fixed;
*rsize = sizeof(wp8060u_rdesc_fixed);
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_WP1062:
if (*rsize == WP1062_RDESC_ORIG_SIZE) {
rdesc = wp1062_rdesc_fixed;
*rsize = sizeof(wp1062_rdesc_fixed);
}
break;
case USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850:
switch (iface_num) {
case 0:
if (*rsize == TWHL850_RDESC_ORIG_SIZE0) {
rdesc = twhl850_rdesc_fixed0;
*rsize = sizeof(twhl850_rdesc_fixed0);
}
break;
case 1:
if (*rsize == TWHL850_RDESC_ORIG_SIZE1) {
rdesc = twhl850_rdesc_fixed1;
*rsize = sizeof(twhl850_rdesc_fixed1);
}
break;
case 2:
if (*rsize == TWHL850_RDESC_ORIG_SIZE2) {
rdesc = twhl850_rdesc_fixed2;
*rsize = sizeof(twhl850_rdesc_fixed2);
}
break;
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60:
switch (iface_num) {
case 0:
if (*rsize == TWHA60_RDESC_ORIG_SIZE0) {
rdesc = twha60_rdesc_fixed0;
*rsize = sizeof(twha60_rdesc_fixed0);
}
break;
case 1:
if (*rsize == TWHA60_RDESC_ORIG_SIZE1) {
rdesc = twha60_rdesc_fixed1;
*rsize = sizeof(twha60_rdesc_fixed1);
}
break;
}
break;
}
return rdesc;
}
static int uclogic_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
/* discard the unused pen interface */
if ((drvdata->ignore_pen_usage) &&
(field->application == HID_DG_PEN))
return -1;
/* let hid-core decide what to do */
return 0;
}
static int uclogic_input_configured(struct hid_device *hdev,
struct hid_input *hi)
{
char *name;
const char *suffix = NULL;
struct hid_field *field;
size_t len;
/* no report associated (HID_QUIRK_MULTI_INPUT not set) */
if (!hi->report)
return 0;
field = hi->report->field[0];
switch (field->application) {
case HID_GD_KEYBOARD:
suffix = "Keyboard";
break;
case HID_GD_MOUSE:
suffix = "Mouse";
break;
case HID_GD_KEYPAD:
suffix = "Pad";
break;
case HID_DG_PEN:
suffix = "Pen";
break;
case HID_CP_CONSUMER_CONTROL:
suffix = "Consumer Control";
break;
case HID_GD_SYSTEM_CONTROL:
suffix = "System Control";
break;
}
if (suffix) {
len = strlen(hdev->name) + 2 + strlen(suffix);
name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL);
if (name) {
snprintf(name, len, "%s %s", hdev->name, suffix);
hi->input->name = name;
}
}
return 0;
}
const size_t uclogic_rdesc_pen_template_size =
sizeof(uclogic_rdesc_pen_template_arr);
/**
* Enable fully-functional tablet mode and determine device parameters.
* Expand to the contents of a generic buttonpad report descriptor.
*
* @hdev: HID device
* @_padding: Padding from the end of button bits at bit 44, until
* the end of the report, in bits.
*/
static int uclogic_tablet_enable(struct hid_device *hdev)
#define UCLOGIC_RDESC_BUTTONPAD_BYTES(_padding) \
0x05, 0x01, /* Usage Page (Desktop), */ \
0x09, 0x07, /* Usage (Keypad), */ \
0xA1, 0x01, /* Collection (Application), */ \
0x85, 0xF7, /* Report ID (247), */ \
0x14, /* Logical Minimum (0), */ \
0x25, 0x01, /* Logical Maximum (1), */ \
0x75, 0x01, /* Report Size (1), */ \
0x05, 0x0D, /* Usage Page (Digitizer), */ \
0x09, 0x39, /* Usage (Tablet Function Keys), */ \
0xA0, /* Collection (Physical), */ \
0x09, 0x44, /* Usage (Barrel Switch), */ \
0x95, 0x01, /* Report Count (1), */ \
0x81, 0x02, /* Input (Variable), */ \
0x05, 0x01, /* Usage Page (Desktop), */ \
0x09, 0x30, /* Usage (X), */ \
0x09, 0x31, /* Usage (Y), */ \
0x95, 0x02, /* Report Count (2), */ \
0x81, 0x02, /* Input (Variable), */ \
0x95, 0x15, /* Report Count (21), */ \
0x81, 0x01, /* Input (Constant), */ \
0x05, 0x09, /* Usage Page (Button), */ \
0x19, 0x01, /* Usage Minimum (01h), */ \
0x29, 0x0A, /* Usage Maximum (0Ah), */ \
0x95, 0x0A, /* Report Count (10), */ \
0x81, 0x02, /* Input (Variable), */ \
0xC0, /* End Collection, */ \
0x05, 0x01, /* Usage Page (Desktop), */ \
0x09, 0x05, /* Usage (Gamepad), */ \
0xA0, /* Collection (Physical), */ \
0x05, 0x09, /* Usage Page (Button), */ \
0x19, 0x01, /* Usage Minimum (01h), */ \
0x29, 0x02, /* Usage Maximum (02h), */ \
0x95, 0x02, /* Report Count (2), */ \
0x81, 0x02, /* Input (Variable), */ \
0x95, _padding, /* Report Count (_padding), */ \
0x81, 0x01, /* Input (Constant), */ \
0xC0, /* End Collection, */ \
0xC0 /* End Collection */
/* Fixed report descriptor for (tweaked) buttonpad reports */
const __u8 uclogic_rdesc_buttonpad_arr[] = {
UCLOGIC_RDESC_BUTTONPAD_BYTES(20)
};
const size_t uclogic_rdesc_buttonpad_size =
sizeof(uclogic_rdesc_buttonpad_arr);
/**
* uclogic_rdesc_template_apply() - apply report descriptor parameters to a
* report descriptor template, creating a report descriptor. Copies the
* template over to the new report descriptor and replaces every occurrence of
* UCLOGIC_RDESC_PH_HEAD, followed by an index byte, with the value from the
* parameter list at that index.
*
* @template_ptr: Pointer to the template buffer.
* @template_size: Size of the template buffer.
* @param_list: List of template parameters.
* @param_num: Number of parameters in the list.
*
* Returns:
* Kmalloc-allocated pointer to the created report descriptor,
* or NULL if allocation failed.
*/
__u8 *uclogic_rdesc_template_apply(const __u8 *template_ptr,
size_t template_size,
const s32 *param_list,
size_t param_num)
{
int rc;
struct usb_device *usb_dev = hid_to_usb_dev(hdev);
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
__le16 *buf = NULL;
size_t len;
s32 params[UCLOGIC_PH_ID_NUM];
s32 resolution;
static const __u8 head[] = {UCLOGIC_RDESC_PH_HEAD};
__u8 *rdesc_ptr;
__u8 *p;
s32 v;
/*
* Read string descriptor containing tablet parameters. The specific
* string descriptor and data were discovered by sniffing the Windows
* driver traffic.
* NOTE: This enables fully-functional tablet mode.
*/
len = UCLOGIC_PRM_NUM * sizeof(*buf);
buf = kmalloc(len, GFP_KERNEL);
if (buf == NULL) {
rc = -ENOMEM;
goto cleanup;
}
rc = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
(USB_DT_STRING << 8) + 0x64,
0x0409, buf, len,
USB_CTRL_GET_TIMEOUT);
if (rc == -EPIPE) {
hid_err(hdev, "device parameters not found\n");
rc = -ENODEV;
goto cleanup;
} else if (rc < 0) {
hid_err(hdev, "failed to get device parameters: %d\n", rc);
rc = -ENODEV;
goto cleanup;
} else if (rc != len) {
hid_err(hdev, "invalid device parameters\n");
rc = -ENODEV;
goto cleanup;
}
rdesc_ptr = kmemdup(template_ptr, template_size, GFP_KERNEL);
if (rdesc_ptr == NULL)
return NULL;
/* Extract device parameters */
params[UCLOGIC_PH_ID_X_LM] = le16_to_cpu(buf[UCLOGIC_PRM_X_LM]);
params[UCLOGIC_PH_ID_Y_LM] = le16_to_cpu(buf[UCLOGIC_PRM_Y_LM]);
params[UCLOGIC_PH_ID_PRESSURE_LM] =
le16_to_cpu(buf[UCLOGIC_PRM_PRESSURE_LM]);
resolution = le16_to_cpu(buf[UCLOGIC_PRM_RESOLUTION]);
if (resolution == 0) {
params[UCLOGIC_PH_ID_X_PM] = 0;
params[UCLOGIC_PH_ID_Y_PM] = 0;
} else {
params[UCLOGIC_PH_ID_X_PM] = params[UCLOGIC_PH_ID_X_LM] *
1000 / resolution;
params[UCLOGIC_PH_ID_Y_PM] = params[UCLOGIC_PH_ID_Y_LM] *
1000 / resolution;
}
/* Allocate fixed report descriptor */
drvdata->rdesc = devm_kzalloc(&hdev->dev,
sizeof(uclogic_tablet_rdesc_template),
GFP_KERNEL);
if (drvdata->rdesc == NULL) {
rc = -ENOMEM;
goto cleanup;
}
drvdata->rsize = sizeof(uclogic_tablet_rdesc_template);
/* Format fixed report descriptor */
memcpy(drvdata->rdesc, uclogic_tablet_rdesc_template,
drvdata->rsize);
for (p = drvdata->rdesc;
p <= drvdata->rdesc + drvdata->rsize - 4;) {
if (p[0] == 0xFE && p[1] == 0xED && p[2] == 0x1D &&
p[3] < ARRAY_SIZE(params)) {
v = params[p[3]];
for (p = rdesc_ptr; p + sizeof(head) < rdesc_ptr + template_size;) {
if (memcmp(p, head, sizeof(head)) == 0 &&
p[sizeof(head)] < param_num) {
v = param_list[p[sizeof(head)]];
put_unaligned(cpu_to_le32(v), (s32 *)p);
p += 4;
p += sizeof(head) + 1;
} else {
p++;
}
}
rc = 0;
cleanup:
kfree(buf);
return rc;
return rdesc_ptr;
}
/**
* Enable actual button mode.
*
* @hdev: HID device
*/
static int uclogic_button_enable(struct hid_device *hdev)
{
int rc;
struct usb_device *usb_dev = hid_to_usb_dev(hdev);
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
char *str_buf;
size_t str_len = 16;
unsigned char *rdesc;
size_t rdesc_len;
str_buf = kzalloc(str_len, GFP_KERNEL);
if (str_buf == NULL) {
rc = -ENOMEM;
goto cleanup;
}
/* Enable abstract keyboard mode */
rc = usb_string(usb_dev, 0x7b, str_buf, str_len);
if (rc == -EPIPE) {
hid_info(hdev, "button mode setting not found\n");
rc = 0;
goto cleanup;
} else if (rc < 0) {
hid_err(hdev, "failed to enable abstract keyboard\n");
goto cleanup;
} else if (strncmp(str_buf, "HK On", rc)) {
hid_info(hdev, "invalid answer when requesting buttons: '%s'\n",
str_buf);
rc = -EINVAL;
goto cleanup;
}
/* Re-allocate fixed report descriptor */
rdesc_len = drvdata->rsize + sizeof(uclogic_buttonpad_rdesc);
rdesc = devm_kzalloc(&hdev->dev, rdesc_len, GFP_KERNEL);
if (!rdesc) {
rc = -ENOMEM;
goto cleanup;
}
memcpy(rdesc, drvdata->rdesc, drvdata->rsize);
/* Append the buttonpad descriptor */
memcpy(rdesc + drvdata->rsize, uclogic_buttonpad_rdesc,
sizeof(uclogic_buttonpad_rdesc));
/* clean up old rdesc and use the new one */
drvdata->rsize = rdesc_len;
devm_kfree(&hdev->dev, drvdata->rdesc);
drvdata->rdesc = rdesc;
rc = 0;
cleanup:
kfree(str_buf);
return rc;
}
static int uclogic_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
int rc;
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
struct usb_device *udev = hid_to_usb_dev(hdev);
struct uclogic_drvdata *drvdata;
/*
* libinput requires the pad interface to be on a different node
* than the pen, so use QUIRK_MULTI_INPUT for all tablets.
*/
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
/* Allocate and assign driver data */
drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
if (drvdata == NULL)
return -ENOMEM;
hid_set_drvdata(hdev, drvdata);
switch (id->product) {
case USB_DEVICE_ID_HUION_TABLET:
case USB_DEVICE_ID_YIYNOVA_TABLET:
case USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_81:
case USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3:
case USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_45:
/* If this is the pen interface */
if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
rc = uclogic_tablet_enable(hdev);
if (rc) {
hid_err(hdev, "tablet enabling failed\n");
return rc;
}
drvdata->invert_pen_inrange = true;
rc = uclogic_button_enable(hdev);
drvdata->has_virtual_pad_interface = !rc;
} else {
drvdata->ignore_pen_usage = true;
}
break;
case USB_DEVICE_ID_UGTIZER_TABLET_GP0610:
case USB_DEVICE_ID_UGEE_TABLET_EX07S:
/* If this is the pen interface */
if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
rc = uclogic_tablet_enable(hdev);
if (rc) {
hid_err(hdev, "tablet enabling failed\n");
return rc;
}
drvdata->invert_pen_inrange = true;
} else {
drvdata->ignore_pen_usage = true;
}
break;
case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60:
/*
* If it is the three-interface version, which is known to
* respond to initialization.
*/
if (udev->config->desc.bNumInterfaces == 3) {
/* If it is the pen interface */
if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
rc = uclogic_tablet_enable(hdev);
if (rc) {
hid_err(hdev, "tablet enabling failed\n");
return rc;
}
drvdata->invert_pen_inrange = true;
rc = uclogic_button_enable(hdev);
drvdata->has_virtual_pad_interface = !rc;
} else {
drvdata->ignore_pen_usage = true;
}
}
break;
}
rc = hid_parse(hdev);
if (rc) {
hid_err(hdev, "parse failed\n");
return rc;
}
rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (rc) {
hid_err(hdev, "hw start failed\n");
return rc;
}
return 0;
}
static int uclogic_raw_event(struct hid_device *hdev, struct hid_report *report,
u8 *data, int size)
{
struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
if ((report->type == HID_INPUT_REPORT) &&
(report->id == UCLOGIC_PEN_REPORT_ID) &&
(size >= 2)) {
if (drvdata->has_virtual_pad_interface && (data[1] & 0x20))
/* Change to virtual frame button report ID */
data[0] = 0xf7;
else if (drvdata->invert_pen_inrange)
/* Invert the in-range bit */
data[1] ^= 0x40;
}
return 0;
}
static const struct hid_device_id uclogic_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_81) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_UGEE_TABLET_45) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) },
{ }
};
MODULE_DEVICE_TABLE(hid, uclogic_devices);
static struct hid_driver uclogic_driver = {
.name = "uclogic",
.id_table = uclogic_devices,
.probe = uclogic_probe,
.report_fixup = uclogic_report_fixup,
.raw_event = uclogic_raw_event,
.input_mapping = uclogic_input_mapping,
.input_configured = uclogic_input_configured,
};
module_hid_driver(uclogic_driver);
MODULE_AUTHOR("Martin Rusko");
MODULE_AUTHOR("Nikolai Kondrashov");
MODULE_LICENSE("GPL");

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drivers/hid/hid-uclogic-rdesc.h Normal file
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* HID driver for UC-Logic devices not fully compliant with HID standard
* - original and fixed report descriptors
*
* Copyright (c) 2010-2018 Nikolai Kondrashov
* Copyright (c) 2013 Martin Rusko
*/
/*
* 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.
*/
#ifndef _HID_UCLOGIC_RDESC_H
#define _HID_UCLOGIC_RDESC_H
#include <linux/usb.h>
/* Size of the original descriptor of WPXXXXU tablets */
#define UCLOGIC_RDESC_WPXXXXU_ORIG_SIZE 212
/* Fixed WP4030U report descriptor */
extern __u8 uclogic_rdesc_wp4030u_fixed_arr[];
extern const size_t uclogic_rdesc_wp4030u_fixed_size;
/* Fixed WP5540U report descriptor */
extern __u8 uclogic_rdesc_wp5540u_fixed_arr[];
extern const size_t uclogic_rdesc_wp5540u_fixed_size;
/* Fixed WP8060U report descriptor */
extern __u8 uclogic_rdesc_wp8060u_fixed_arr[];
extern const size_t uclogic_rdesc_wp8060u_fixed_size;
/* Size of the original descriptor of WP1062 tablet */
#define UCLOGIC_RDESC_WP1062_ORIG_SIZE 254
/* Fixed WP1062 report descriptor */
extern __u8 uclogic_rdesc_wp1062_fixed_arr[];
extern const size_t uclogic_rdesc_wp1062_fixed_size;
/* Size of the original descriptor of PF1209 tablet */
#define UCLOGIC_RDESC_PF1209_ORIG_SIZE 234
/* Fixed PF1209 report descriptor */
extern __u8 uclogic_rdesc_pf1209_fixed_arr[];
extern const size_t uclogic_rdesc_pf1209_fixed_size;
/* Size of the original descriptors of TWHL850 tablet */
#define UCLOGIC_RDESC_TWHL850_ORIG0_SIZE 182
#define UCLOGIC_RDESC_TWHL850_ORIG1_SIZE 161
#define UCLOGIC_RDESC_TWHL850_ORIG2_SIZE 92
/* Fixed PID 0522 tablet report descriptor, interface 0 (stylus) */
extern __u8 uclogic_rdesc_twhl850_fixed0_arr[];
extern const size_t uclogic_rdesc_twhl850_fixed0_size;
/* Fixed PID 0522 tablet report descriptor, interface 1 (mouse) */
extern __u8 uclogic_rdesc_twhl850_fixed1_arr[];
extern const size_t uclogic_rdesc_twhl850_fixed1_size;
/* Fixed PID 0522 tablet report descriptor, interface 2 (frame buttons) */
extern __u8 uclogic_rdesc_twhl850_fixed2_arr[];
extern const size_t uclogic_rdesc_twhl850_fixed2_size;
/* Size of the original descriptors of TWHA60 tablet */
#define UCLOGIC_RDESC_TWHA60_ORIG0_SIZE 254
#define UCLOGIC_RDESC_TWHA60_ORIG1_SIZE 139
/* Fixed TWHA60 report descriptor, interface 0 (stylus) */
extern __u8 uclogic_rdesc_twha60_fixed0_arr[];
extern const size_t uclogic_rdesc_twha60_fixed0_size;
/* Fixed TWHA60 report descriptor, interface 1 (frame buttons) */
extern __u8 uclogic_rdesc_twha60_fixed1_arr[];
extern const size_t uclogic_rdesc_twha60_fixed1_size;
/* Report descriptor template placeholder head */
#define UCLOGIC_RDESC_PH_HEAD 0xFE, 0xED, 0x1D
/* Apply report descriptor parameters to a report descriptor template */
extern __u8 *uclogic_rdesc_template_apply(const __u8 *template_ptr,
size_t template_size,
const s32 *param_list,
size_t param_num);
/* Pen report descriptor template placeholder IDs */
enum uclogic_rdesc_pen_ph_id {
UCLOGIC_RDESC_PEN_PH_ID_X_LM,
UCLOGIC_RDESC_PEN_PH_ID_X_PM,
UCLOGIC_RDESC_PEN_PH_ID_Y_LM,
UCLOGIC_RDESC_PEN_PH_ID_Y_PM,
UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM,
UCLOGIC_RDESC_PEN_PH_ID_NUM
};
/* Report descriptor pen template placeholder */
#define UCLOGIC_RDESC_PEN_PH(_ID) \
UCLOGIC_RDESC_PH_HEAD, UCLOGIC_RDESC_PEN_PH_ID_##_ID
/* Report ID for pen reports */
#define UCLOGIC_RDESC_PEN_ID 0x07
/* Fixed report descriptor template for (tweaked) pen reports */
extern const __u8 uclogic_rdesc_pen_template_arr[];
extern const size_t uclogic_rdesc_pen_template_size;
/* Fixed report descriptor for (tweaked) buttonpad reports */
extern const __u8 uclogic_rdesc_buttonpad_arr[];
extern const size_t uclogic_rdesc_buttonpad_size;
/* Report ID for tweaked buttonpad reports */
#define UCLOGIC_RDESC_BUTTONPAD_ID 0xf7
#endif /* _HID_UCLOGIC_RDESC_H */