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HID: add support for PenMount HID TouchScreen Driver

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This patch adds a seperate hid-penmount driver to work
around an issue with the HID report descriptor. The
descriptor does not contain the ContactID usage and as
result the touchscreen is represented as normal mouse
to the system.

This driver maps the button 0 emitted by the touchscreen
to BTN_TOUCH. This makes it possible to use touch events
in userspace.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Christian Gmeiner 2014-09-03 10:33:53 +02:00 committed by Jiri Kosina
parent 67a9784583
commit ffe51d0d8a
5 changed files with 63 additions and 0 deletions
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11
drivers/hid/Kconfig
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@ -530,6 +530,17 @@ config PANTHERLORD_FF
Say Y here if you have a PantherLord/GreenAsia based game controller
or adapter and want to enable force feedback support for it.
config HID_PENMOUNT
tristate "Penmount touch device"
depends on USB_HID
---help---
This selects a driver for the PenMount 6000 touch controller.
The driver works around a problem in the report descript allowing
the userspace to touch events instead of mouse events.
Say Y here if you have a Penmount based touch controller.
config HID_PETALYNX
tristate "Petalynx Maxter remote control"
depends on HID

1
drivers/hid/Makefile
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@ -71,6 +71,7 @@ obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o
obj-$(CONFIG_HID_ORTEK) += hid-ortek.o
obj-$(CONFIG_HID_PRODIKEYS) += hid-prodikeys.o
obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o
obj-$(CONFIG_HID_PENMOUNT) += hid-penmount.o
obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o
obj-$(CONFIG_HID_PICOLCD) += hid-picolcd.o
hid-picolcd-y += hid-picolcd_core.o

1
drivers/hid/hid-core.c
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@ -1880,6 +1880,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
#if IS_ENABLED(CONFIG_HID_ROCCAT)

1
drivers/hid/hid-ids.h
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@ -722,6 +722,7 @@
#define USB_DEVICE_ID_PENMOUNT_PCI 0x3500
#define USB_DEVICE_ID_PENMOUNT_1610 0x1610
#define USB_DEVICE_ID_PENMOUNT_1640 0x1640
#define USB_DEVICE_ID_PENMOUNT_6000 0x6000
#define USB_VENDOR_ID_PETALYNX 0x18b1
#define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037

49
drivers/hid/hid-penmount.c Normal file
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@ -0,0 +1,49 @@
/*
* HID driver for PenMount touchscreens
*
* Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com>
*
* based on hid-penmount copyrighted by
* PenMount Touch Solutions <penmount <at> seed.net.tw>
*/
/*
* 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/module.h>
#include <linux/hid.h>
#include "hid-ids.h"
static int penmount_input_mapping(struct hid_device *hdev,
struct hid_input *hi, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
return 1;
}
return 0;
}
static const struct hid_device_id penmount_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
{ }
};
MODULE_DEVICE_TABLE(hid, penmount_devices);
static struct hid_driver penmount_driver = {
.name = "hid-penmount",
.id_table = penmount_devices,
.input_mapping = penmount_input_mapping,
};
module_hid_driver(penmount_driver);
MODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>");
MODULE_DESCRIPTION("PenMount HID TouchScreen driver");
MODULE_LICENSE("GPL");