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Commit 7c2af0a1 authored by Nikolai Kondrashov's avatar Nikolai Kondrashov Committed by Benjamin Tissoires
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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: default avatarNikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
parent 5e55e2aa
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+6 −0
Original line number Original line Diff line number Diff line
@@ -412,6 +412,12 @@ config HID_WALTOP
	---help---
	---help---
	Support for Waltop tablets.
	Support for Waltop tablets.


config HID_VIEWSONIC
	tristate "ViewSonic/Signotec"
	depends on HID
	help
	  Support for ViewSonic/Signotec PD1011 signature pad.

config HID_GYRATION
config HID_GYRATION
	tristate "Gyration remote control"
	tristate "Gyration remote control"
	depends on HID
	depends on HID
+1 −0
Original line number Original line Diff line number Diff line
@@ -114,6 +114,7 @@ obj-$(CONFIG_HID_LED) += hid-led.o
obj-$(CONFIG_HID_XINMO)		+= hid-xinmo.o
obj-$(CONFIG_HID_XINMO)		+= hid-xinmo.o
obj-$(CONFIG_HID_ZEROPLUS)	+= hid-zpff.o
obj-$(CONFIG_HID_ZEROPLUS)	+= hid-zpff.o
obj-$(CONFIG_HID_ZYDACRON)	+= hid-zydacron.o
obj-$(CONFIG_HID_ZYDACRON)	+= hid-zydacron.o
obj-$(CONFIG_HID_VIEWSONIC)	+= hid-viewsonic.o


wacom-objs			:= wacom_wac.o wacom_sys.o
wacom-objs			:= wacom_wac.o wacom_sys.o
obj-$(CONFIG_HID_WACOM)		+= wacom.o
obj-$(CONFIG_HID_WACOM)		+= wacom.o
+6 −0
Original line number Original line Diff line number Diff line
@@ -1241,4 +1241,10 @@
#define USB_VENDOR_ID_UGTIZER			0x2179
#define USB_VENDOR_ID_UGTIZER			0x2179
#define USB_DEVICE_ID_UGTIZER_TABLET_GP0610	0x0053
#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
#endif
+105 −0
Original line number Original line Diff line number Diff line
// 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");