Add support for ViewSonic PD1011 signature (display) pad, which is also
sold by Signotec under a different name.
Signed-off-by: Nikolai Kondrashov <spbnick@xxxxxxxxx>
---
drivers/hid/Kconfig | 6 +++
drivers/hid/Makefile | 1 +
drivers/hid/hid-ids.h | 6 +++
drivers/hid/hid-viewsonic.c | 105 ++++++++++++++++++++++++++++++++++++
4 files changed, 118 insertions(+)
create mode 100644 drivers/hid/hid-viewsonic.c
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 41e9935fc584..4e4cacf85cbd 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -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
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 896a51ce7ce0..a57e1088133a 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -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
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 2bef2fd07360..e23ec8fb2213 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -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
diff --git a/drivers/hid/hid-viewsonic.c b/drivers/hid/hid-viewsonic.c
new file mode 100644
index 000000000000..df60c8fc2efd
--- /dev/null
+++ b/drivers/hid/hid-viewsonic.c
@@ -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");
--
2.20.1
