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HID: viewsonic: Support PD1011 signature pad 

Add support for ViewSonic PD1011 signature (display) pad, which is also
sold by Signotec under a different name.

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 12:13:48 +02:00 committed by Benjamin Tissoires
parent 5e55e2aa80
commit 7c2af0a16e
4 changed files with 118 additions and 0 deletions
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6
drivers/hid/Kconfig
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@ -412,6 +412,12 @@ config HID_WALTOP
---help---
Support for Waltop tablets.
config HID_VIEWSONIC
tristate "ViewSonic/Signotec"
depends on HID
help
Support for ViewSonic/Signotec PD1011 signature pad.
config HID_GYRATION
tristate "Gyration remote control"
depends on HID

1
drivers/hid/Makefile
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@ -114,6 +114,7 @@ obj-$(CONFIG_HID_LED) += hid-led.o
obj-$(CONFIG_HID_XINMO) += hid-xinmo.o
obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o
obj-$(CONFIG_HID_ZYDACRON) += hid-zydacron.o
obj-$(CONFIG_HID_VIEWSONIC) += hid-viewsonic.o
wacom-objs := wacom_wac.o wacom_sys.o
obj-$(CONFIG_HID_WACOM) += wacom.o

6
drivers/hid/hid-ids.h
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@ -1241,4 +1241,10 @@
#define USB_VENDOR_ID_UGTIZER 0x2179
#define USB_DEVICE_ID_UGTIZER_TABLET_GP0610 0x0053
#define USB_VENDOR_ID_VIEWSONIC 0x0543
#define USB_DEVICE_ID_VIEWSONIC_PD1011 0xe621
#define USB_VENDOR_ID_SIGNOTEC 0x2133
#define USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011 0x0018
#endif

105
drivers/hid/hid-viewsonic.c Normal file
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@ -0,0 +1,105 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* HID driver for ViewSonic devices not fully compliant with HID standard
*
* Copyright (c) 2017 Nikolai Kondrashov
*/
/*
* 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 "hid-ids.h"
/* Size of the original descriptor of PD1011 signature pad */
#define PD1011_RDESC_ORIG_SIZE 408
/* Fixed report descriptor of PD1011 signature pad */
static __u8 pd1011_rdesc_fixed[] = {
0x05, 0x0D, /* Usage Page (Digitizer), */
0x09, 0x02, /* Usage (Pen), */
0xA1, 0x01, /* Collection (Application), */
0x85, 0x02, /* Report ID (2), */
0x09, 0x20, /* Usage (Stylus), */
0xA0, /* Collection (Physical), */
0x75, 0x10, /* Report Size (16), */
0x95, 0x01, /* Report Count (1), */
0xA4, /* Push, */
0x05, 0x01, /* Usage Page (Desktop), */
0x65, 0x13, /* Unit (Inch), */
0x55, 0xFD, /* Unit Exponent (-3), */
0x34, /* Physical Minimum (0), */
0x09, 0x30, /* Usage (X), */
0x46, 0x5D, 0x21, /* Physical Maximum (8541), */
0x27, 0x80, 0xA9,
0x00, 0x00, /* Logical Maximum (43392), */
0x81, 0x02, /* Input (Variable), */
0x09, 0x31, /* Usage (Y), */
0x46, 0xDA, 0x14, /* Physical Maximum (5338), */
0x26, 0xF0, 0x69, /* Logical Maximum (27120), */
0x81, 0x02, /* Input (Variable), */
0xB4, /* Pop, */
0x14, /* Logical Minimum (0), */
0x25, 0x01, /* Logical Maximum (1), */
0x75, 0x01, /* Report Size (1), */
0x95, 0x01, /* Report Count (1), */
0x81, 0x03, /* Input (Constant, Variable), */
0x09, 0x32, /* Usage (In Range), */
0x09, 0x42, /* Usage (Tip Switch), */
0x95, 0x02, /* Report Count (2), */
0x81, 0x02, /* Input (Variable), */
0x95, 0x05, /* Report Count (5), */
0x81, 0x03, /* Input (Constant, Variable), */
0x75, 0x10, /* Report Size (16), */
0x95, 0x01, /* Report Count (1), */
0x09, 0x30, /* Usage (Tip Pressure), */
0x15, 0x05, /* Logical Minimum (5), */
0x26, 0xFF, 0x07, /* Logical Maximum (2047), */
0x81, 0x02, /* Input (Variable), */
0x75, 0x10, /* Report Size (16), */
0x95, 0x01, /* Report Count (1), */
0x81, 0x03, /* Input (Constant, Variable), */
0xC0, /* End Collection, */
0xC0 /* End Collection */
};
static __u8 *viewsonic_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
switch (hdev->product) {
case USB_DEVICE_ID_VIEWSONIC_PD1011:
case USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011:
if (*rsize == PD1011_RDESC_ORIG_SIZE) {
rdesc = pd1011_rdesc_fixed;
*rsize = sizeof(pd1011_rdesc_fixed);
}
break;
}
return rdesc;
}
static const struct hid_device_id viewsonic_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_VIEWSONIC,
USB_DEVICE_ID_VIEWSONIC_PD1011) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SIGNOTEC,
USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011) },
{ }
};
MODULE_DEVICE_TABLE(hid, viewsonic_devices);
static struct hid_driver viewsonic_driver = {
.name = "viewsonic",
.id_table = viewsonic_devices,
.report_fixup = viewsonic_report_fixup,
};
module_hid_driver(viewsonic_driver);
MODULE_LICENSE("GPL");