a786e83cb0
Add support for unknown Waltop tablet with product ID 0x0038. This tablet is sold as Genius G-Pen F509. Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
667 lines
31 KiB
C
667 lines
31 KiB
C
/*
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* HID driver for Waltop devices not fully compliant with HID standard
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*
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* Copyright (c) 2010 Nikolai Kondrashov
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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/*
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* There exists an official driver on the manufacturer's website, which
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* wasn't submitted to the kernel, for some reason. The official driver
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* doesn't seem to support extra features of some tablets, like wheels.
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*
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* It shows that the feature report ID 2 could be used to control any waltop
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* tablet input mode, switching it between "default", "tablet" and "ink".
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*
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* This driver only uses "default" mode for all the supported tablets. This
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* mode tries to be HID-compatible (not very successfully), but cripples the
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* resolution of some tablets.
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*
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* The "tablet" mode uses some proprietary, yet decipherable protocol, which
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* represents the correct resolution, but is possibly HID-incompatible (i.e.
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* indescribable by a report descriptor).
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*
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* The purpose of the "ink" mode is unknown.
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*
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* The feature reports needed for switching to each mode are these:
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*
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* 02 16 00 default
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* 02 16 01 tablet
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* 02 16 02 ink
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*/
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/*
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* See Slim Tablet 5.8 inch description, device and HID report descriptors at
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* http://sf.net/apps/mediawiki/digimend/?title=Waltop_Slim_Tablet_5.8%22
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*/
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/* Size of the original report descriptor of Slim Tablet 5.8 inch */
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#define SLIM_TABLET_5_8_INCH_RDESC_ORIG_SIZE 222
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/* Fixed Slim Tablet 5.8 inch descriptor */
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static __u8 slim_tablet_5_8_inch_rdesc_fixed[] = {
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0x05, 0x0D, /* Usage Page (Digitizer), */
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0x09, 0x02, /* Usage (Pen), */
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0xA1, 0x01, /* Collection (Application), */
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0x85, 0x10, /* Report ID (16), */
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0x09, 0x20, /* Usage (Stylus), */
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0xA0, /* Collection (Physical), */
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0x09, 0x42, /* Usage (Tip Switch), */
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0x09, 0x44, /* Usage (Barrel Switch), */
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0x09, 0x46, /* Usage (Tablet Pick), */
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0x15, 0x01, /* Logical Minimum (1), */
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0x25, 0x03, /* Logical Maximum (3), */
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0x75, 0x04, /* Report Size (4), */
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0x95, 0x01, /* Report Count (1), */
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0x80, /* Input, */
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0x09, 0x32, /* Usage (In Range), */
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0x14, /* Logical Minimum (0), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x75, 0x01, /* Report Size (1), */
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0x95, 0x01, /* Report Count (1), */
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0x81, 0x02, /* Input (Variable), */
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0x95, 0x03, /* Report Count (3), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0x75, 0x10, /* Report Size (16), */
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0x95, 0x01, /* Report Count (1), */
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0x14, /* Logical Minimum (0), */
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0xA4, /* Push, */
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0x05, 0x01, /* Usage Page (Desktop), */
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0x65, 0x13, /* Unit (Inch), */
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0x55, 0xFD, /* Unit Exponent (-3), */
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0x34, /* Physical Minimum (0), */
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0x09, 0x30, /* Usage (X), */
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0x46, 0x88, 0x13, /* Physical Maximum (5000), */
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0x26, 0x10, 0x27, /* Logical Maximum (10000), */
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0x81, 0x02, /* Input (Variable), */
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0x09, 0x31, /* Usage (Y), */
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0x46, 0xB8, 0x0B, /* Physical Maximum (3000), */
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0x26, 0x70, 0x17, /* Logical Maximum (6000), */
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0x81, 0x02, /* Input (Variable), */
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0xB4, /* Pop, */
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0x09, 0x30, /* Usage (Tip Pressure), */
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0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
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0x81, 0x02, /* Input (Variable), */
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0xC0, /* End Collection, */
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0xC0 /* End Collection */
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};
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/*
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* See Slim Tablet 12.1 inch description, device and HID report descriptors at
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* http://sf.net/apps/mediawiki/digimend/?title=Waltop_Slim_Tablet_12.1%22
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*/
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/* Size of the original report descriptor of Slim Tablet 12.1 inch */
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#define SLIM_TABLET_12_1_INCH_RDESC_ORIG_SIZE 269
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/* Fixed Slim Tablet 12.1 inch descriptor */
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static __u8 slim_tablet_12_1_inch_rdesc_fixed[] = {
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0x05, 0x0D, /* Usage Page (Digitizer), */
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0x09, 0x02, /* Usage (Pen), */
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0xA1, 0x01, /* Collection (Application), */
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0x85, 0x10, /* Report ID (16), */
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0x09, 0x20, /* Usage (Stylus), */
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0xA0, /* Collection (Physical), */
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0x09, 0x42, /* Usage (Tip Switch), */
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0x09, 0x44, /* Usage (Barrel Switch), */
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0x09, 0x46, /* Usage (Tablet Pick), */
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0x15, 0x01, /* Logical Minimum (1), */
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0x25, 0x03, /* Logical Maximum (3), */
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0x75, 0x04, /* Report Size (4), */
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0x95, 0x01, /* Report Count (1), */
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0x80, /* Input, */
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0x09, 0x32, /* Usage (In Range), */
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0x14, /* Logical Minimum (0), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x75, 0x01, /* Report Size (1), */
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0x95, 0x01, /* Report Count (1), */
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0x81, 0x02, /* Input (Variable), */
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0x95, 0x03, /* Report Count (3), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0x75, 0x10, /* Report Size (16), */
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0x95, 0x01, /* Report Count (1), */
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0x14, /* Logical Minimum (0), */
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0xA4, /* Push, */
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0x05, 0x01, /* Usage Page (Desktop), */
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0x65, 0x13, /* Unit (Inch), */
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0x55, 0xFD, /* Unit Exponent (-3), */
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0x34, /* Physical Minimum (0), */
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0x09, 0x30, /* Usage (X), */
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0x46, 0x10, 0x27, /* Physical Maximum (10000), */
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0x26, 0x20, 0x4E, /* Logical Maximum (20000), */
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0x81, 0x02, /* Input (Variable), */
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0x09, 0x31, /* Usage (Y), */
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0x46, 0x6A, 0x18, /* Physical Maximum (6250), */
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0x26, 0xD4, 0x30, /* Logical Maximum (12500), */
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0x81, 0x02, /* Input (Variable), */
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0xB4, /* Pop, */
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0x09, 0x30, /* Usage (Tip Pressure), */
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0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
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0x81, 0x02, /* Input (Variable), */
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0xC0, /* End Collection, */
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0xC0 /* End Collection */
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};
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/*
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* See Q Pad description, device and HID report descriptors at
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* http://sf.net/apps/mediawiki/digimend/?title=Waltop_Q_Pad
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*/
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/* Size of the original report descriptor of Q Pad */
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#define Q_PAD_RDESC_ORIG_SIZE 241
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/* Fixed Q Pad descriptor */
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static __u8 q_pad_rdesc_fixed[] = {
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0x05, 0x0D, /* Usage Page (Digitizer), */
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0x09, 0x02, /* Usage (Pen), */
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0xA1, 0x01, /* Collection (Application), */
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0x85, 0x10, /* Report ID (16), */
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0x09, 0x20, /* Usage (Stylus), */
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0xA0, /* Collection (Physical), */
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0x09, 0x42, /* Usage (Tip Switch), */
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0x09, 0x44, /* Usage (Barrel Switch), */
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0x09, 0x46, /* Usage (Tablet Pick), */
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0x15, 0x01, /* Logical Minimum (1), */
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0x25, 0x03, /* Logical Maximum (3), */
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0x75, 0x04, /* Report Size (4), */
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0x95, 0x01, /* Report Count (1), */
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0x80, /* Input, */
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0x09, 0x32, /* Usage (In Range), */
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0x14, /* Logical Minimum (0), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x75, 0x01, /* Report Size (1), */
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0x95, 0x01, /* Report Count (1), */
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0x81, 0x02, /* Input (Variable), */
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0x95, 0x03, /* Report Count (3), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0x75, 0x10, /* Report Size (16), */
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0x95, 0x01, /* Report Count (1), */
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0x14, /* Logical Minimum (0), */
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0xA4, /* Push, */
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0x05, 0x01, /* Usage Page (Desktop), */
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0x65, 0x13, /* Unit (Inch), */
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0x55, 0xFD, /* Unit Exponent (-3), */
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0x34, /* Physical Minimum (0), */
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0x09, 0x30, /* Usage (X), */
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0x46, 0x70, 0x17, /* Physical Maximum (6000), */
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0x26, 0x00, 0x30, /* Logical Maximum (12288), */
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0x81, 0x02, /* Input (Variable), */
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0x09, 0x31, /* Usage (Y), */
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0x46, 0x94, 0x11, /* Physical Maximum (4500), */
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0x26, 0x00, 0x24, /* Logical Maximum (9216), */
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0x81, 0x02, /* Input (Variable), */
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0xB4, /* Pop, */
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0x09, 0x30, /* Usage (Tip Pressure), */
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0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
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0x81, 0x02, /* Input (Variable), */
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0xC0, /* End Collection, */
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0xC0 /* End Collection */
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};
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/*
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* See description, device and HID report descriptors of tablet with PID 0038 at
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* http://sf.net/apps/mediawiki/digimend/?title=Waltop_PID_0038
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*/
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/* Size of the original report descriptor of tablet with PID 0038 */
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#define PID_0038_RDESC_ORIG_SIZE 241
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/*
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* Fixed report descriptor for tablet with PID 0038.
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*/
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static __u8 pid_0038_rdesc_fixed[] = {
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0x05, 0x0D, /* Usage Page (Digitizer), */
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0x09, 0x02, /* Usage (Pen), */
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0xA1, 0x01, /* Collection (Application), */
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0x85, 0x10, /* Report ID (16), */
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0x09, 0x20, /* Usage (Stylus), */
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0xA0, /* Collection (Physical), */
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0x09, 0x42, /* Usage (Tip Switch), */
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0x09, 0x44, /* Usage (Barrel Switch), */
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0x09, 0x46, /* Usage (Tablet Pick), */
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0x15, 0x01, /* Logical Minimum (1), */
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0x25, 0x03, /* Logical Maximum (3), */
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0x75, 0x04, /* Report Size (4), */
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0x95, 0x01, /* Report Count (1), */
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0x80, /* Input, */
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0x09, 0x32, /* Usage (In Range), */
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0x14, /* Logical Minimum (0), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x75, 0x01, /* Report Size (1), */
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0x95, 0x01, /* Report Count (1), */
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0x81, 0x02, /* Input (Variable), */
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0x95, 0x03, /* Report Count (3), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0x75, 0x10, /* Report Size (16), */
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0x95, 0x01, /* Report Count (1), */
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0x14, /* Logical Minimum (0), */
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0xA4, /* Push, */
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0x05, 0x01, /* Usage Page (Desktop), */
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0x65, 0x13, /* Unit (Inch), */
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0x55, 0xFD, /* Unit Exponent (-3), */
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0x34, /* Physical Minimum (0), */
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0x09, 0x30, /* Usage (X), */
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0x46, 0x2E, 0x22, /* Physical Maximum (8750), */
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0x26, 0x00, 0x46, /* Logical Maximum (17920), */
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0x81, 0x02, /* Input (Variable), */
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0x09, 0x31, /* Usage (Y), */
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0x46, 0x82, 0x14, /* Physical Maximum (5250), */
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0x26, 0x00, 0x2A, /* Logical Maximum (10752), */
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0x81, 0x02, /* Input (Variable), */
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0xB4, /* Pop, */
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0x09, 0x30, /* Usage (Tip Pressure), */
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0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
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0x81, 0x02, /* Input (Variable), */
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0xC0, /* End Collection, */
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0xC0 /* End Collection */
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};
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/*
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* See Media Tablet 10.6 inch description, device and HID report descriptors at
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* http://sf.net/apps/mediawiki/digimend/?title=Waltop_Media_Tablet_10.6%22
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*/
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/* Size of the original report descriptor of Media Tablet 10.6 inch */
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#define MEDIA_TABLET_10_6_INCH_RDESC_ORIG_SIZE 300
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/* Fixed Media Tablet 10.6 inch descriptor */
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static __u8 media_tablet_10_6_inch_rdesc_fixed[] = {
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0x05, 0x0D, /* Usage Page (Digitizer), */
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0x09, 0x02, /* Usage (Pen), */
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0xA1, 0x01, /* Collection (Application), */
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0x85, 0x10, /* Report ID (16), */
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0x09, 0x20, /* Usage (Stylus), */
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0xA0, /* Collection (Physical), */
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0x09, 0x42, /* Usage (Tip Switch), */
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0x09, 0x44, /* Usage (Barrel Switch), */
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0x09, 0x46, /* Usage (Tablet Pick), */
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0x15, 0x01, /* Logical Minimum (1), */
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0x25, 0x03, /* Logical Maximum (3), */
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0x75, 0x04, /* Report Size (4), */
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0x95, 0x01, /* Report Count (1), */
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0x80, /* Input, */
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0x75, 0x01, /* Report Size (1), */
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0x09, 0x32, /* Usage (In Range), */
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0x14, /* Logical Minimum (0), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x95, 0x01, /* Report Count (1), */
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0x81, 0x02, /* Input (Variable), */
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0x95, 0x03, /* Report Count (3), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0x75, 0x10, /* Report Size (16), */
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0x95, 0x01, /* Report Count (1), */
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0x14, /* Logical Minimum (0), */
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0xA4, /* Push, */
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0x05, 0x01, /* Usage Page (Desktop), */
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0x65, 0x13, /* Unit (Inch), */
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0x55, 0xFD, /* Unit Exponent (-3), */
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0x34, /* Physical Minimum (0), */
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0x09, 0x30, /* Usage (X), */
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0x46, 0x28, 0x23, /* Physical Maximum (9000), */
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0x26, 0x50, 0x46, /* Logical Maximum (18000), */
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0x81, 0x02, /* Input (Variable), */
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0x09, 0x31, /* Usage (Y), */
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0x46, 0x7C, 0x15, /* Physical Maximum (5500), */
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0x26, 0xF8, 0x2A, /* Logical Maximum (11000), */
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0x81, 0x02, /* Input (Variable), */
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0xB4, /* Pop, */
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0x09, 0x30, /* Usage (Tip Pressure), */
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0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
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0x81, 0x02, /* Input (Variable), */
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0xC0, /* End Collection, */
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0xC0, /* End Collection, */
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0x05, 0x01, /* Usage Page (Desktop), */
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0x09, 0x02, /* Usage (Mouse), */
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0xA1, 0x01, /* Collection (Application), */
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0x85, 0x01, /* Report ID (1), */
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0x09, 0x01, /* Usage (Pointer), */
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0xA0, /* Collection (Physical), */
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0x75, 0x08, /* Report Size (8), */
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0x95, 0x03, /* Report Count (3), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0x95, 0x02, /* Report Count (2), */
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0x15, 0xFF, /* Logical Minimum (-1), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x09, 0x38, /* Usage (Wheel), */
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0x0B, 0x38, 0x02, /* Usage (Consumer AC Pan), */
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0x0C, 0x00,
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0x81, 0x06, /* Input (Variable, Relative), */
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0x95, 0x02, /* Report Count (2), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0xC0, /* End Collection, */
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0xC0, /* End Collection, */
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0x05, 0x0C, /* Usage Page (Consumer), */
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0x09, 0x01, /* Usage (Consumer Control), */
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0xA1, 0x01, /* Collection (Application), */
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0x85, 0x0D, /* Report ID (13), */
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0x95, 0x01, /* Report Count (1), */
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0x75, 0x10, /* Report Size (16), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0x0A, 0x2F, 0x02, /* Usage (AC Zoom), */
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0x0A, 0x2E, 0x02, /* Usage (AC Zoom Out), */
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0x0A, 0x2D, 0x02, /* Usage (AC Zoom In), */
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0x09, 0xB6, /* Usage (Scan Previous Track), */
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0x09, 0xB5, /* Usage (Scan Next Track), */
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0x08, /* Usage (00h), */
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0x08, /* Usage (00h), */
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0x08, /* Usage (00h), */
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0x08, /* Usage (00h), */
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0x08, /* Usage (00h), */
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0x0A, 0x2E, 0x02, /* Usage (AC Zoom Out), */
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0x0A, 0x2D, 0x02, /* Usage (AC Zoom In), */
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0x15, 0x0C, /* Logical Minimum (12), */
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0x25, 0x17, /* Logical Maximum (23), */
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0x75, 0x05, /* Report Size (5), */
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0x80, /* Input, */
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0x75, 0x03, /* Report Size (3), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0x75, 0x20, /* Report Size (32), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0xC0, /* End Collection, */
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0x09, 0x01, /* Usage (Consumer Control), */
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0xA1, 0x01, /* Collection (Application), */
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0x85, 0x0C, /* Report ID (12), */
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0x75, 0x01, /* Report Size (1), */
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0x09, 0xE9, /* Usage (Volume Inc), */
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0x09, 0xEA, /* Usage (Volume Dec), */
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0x09, 0xE2, /* Usage (Mute), */
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0x14, /* Logical Minimum (0), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x95, 0x03, /* Report Count (3), */
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0x81, 0x06, /* Input (Variable, Relative), */
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0x95, 0x35, /* Report Count (53), */
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0x81, 0x03, /* Input (Constant, Variable), */
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0xC0 /* End Collection */
|
|
};
|
|
|
|
/*
|
|
* See Media Tablet 14.1 inch description, device and HID report descriptors at
|
|
* http://sf.net/apps/mediawiki/digimend/?title=Waltop_Media_Tablet_14.1%22
|
|
*/
|
|
|
|
/* Size of the original report descriptor of Media Tablet 14.1 inch */
|
|
#define MEDIA_TABLET_14_1_INCH_RDESC_ORIG_SIZE 309
|
|
|
|
/* Fixed Media Tablet 14.1 inch descriptor */
|
|
static __u8 media_tablet_14_1_inch_rdesc_fixed[] = {
|
|
0x05, 0x0D, /* Usage Page (Digitizer), */
|
|
0x09, 0x02, /* Usage (Pen), */
|
|
0xA1, 0x01, /* Collection (Application), */
|
|
0x85, 0x10, /* Report ID (16), */
|
|
0x09, 0x20, /* Usage (Stylus), */
|
|
0xA0, /* Collection (Physical), */
|
|
0x09, 0x42, /* Usage (Tip Switch), */
|
|
0x09, 0x44, /* Usage (Barrel Switch), */
|
|
0x09, 0x46, /* Usage (Tablet Pick), */
|
|
0x15, 0x01, /* Logical Minimum (1), */
|
|
0x25, 0x03, /* Logical Maximum (3), */
|
|
0x75, 0x04, /* Report Size (4), */
|
|
0x95, 0x01, /* Report Count (1), */
|
|
0x80, /* Input, */
|
|
0x75, 0x01, /* Report Size (1), */
|
|
0x09, 0x32, /* Usage (In Range), */
|
|
0x14, /* Logical Minimum (0), */
|
|
0x25, 0x01, /* Logical Maximum (1), */
|
|
0x95, 0x01, /* Report Count (1), */
|
|
0x81, 0x02, /* Input (Variable), */
|
|
0x95, 0x03, /* Report Count (3), */
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
|
0x75, 0x10, /* Report Size (16), */
|
|
0x95, 0x01, /* Report Count (1), */
|
|
0x14, /* Logical Minimum (0), */
|
|
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, 0xE0, 0x2E, /* Physical Maximum (12000), */
|
|
0x26, 0xFF, 0x3F, /* Logical Maximum (16383), */
|
|
0x81, 0x02, /* Input (Variable), */
|
|
0x09, 0x31, /* Usage (Y), */
|
|
0x46, 0x52, 0x1C, /* Physical Maximum (7250), */
|
|
0x26, 0xFF, 0x3F, /* Logical Maximum (16383), */
|
|
0x81, 0x02, /* Input (Variable), */
|
|
0xB4, /* Pop, */
|
|
0x09, 0x30, /* Usage (Tip Pressure), */
|
|
0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
|
|
0x81, 0x02, /* Input (Variable), */
|
|
0xC0, /* End Collection, */
|
|
0xC0, /* End Collection, */
|
|
0x05, 0x01, /* Usage Page (Desktop), */
|
|
0x09, 0x02, /* Usage (Mouse), */
|
|
0xA1, 0x01, /* Collection (Application), */
|
|
0x85, 0x01, /* Report ID (1), */
|
|
0x09, 0x01, /* Usage (Pointer), */
|
|
0xA0, /* Collection (Physical), */
|
|
0x75, 0x08, /* Report Size (8), */
|
|
0x95, 0x03, /* Report Count (3), */
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
|
0x95, 0x02, /* Report Count (2), */
|
|
0x15, 0xFF, /* Logical Minimum (-1), */
|
|
0x25, 0x01, /* Logical Maximum (1), */
|
|
0x09, 0x38, /* Usage (Wheel), */
|
|
0x0B, 0x38, 0x02, /* Usage (Consumer AC Pan), */
|
|
0x0C, 0x00,
|
|
0x81, 0x06, /* Input (Variable, Relative), */
|
|
0xC0, /* End Collection, */
|
|
0xC0, /* End Collection, */
|
|
0x05, 0x0C, /* Usage Page (Consumer), */
|
|
0x09, 0x01, /* Usage (Consumer Control), */
|
|
0xA1, 0x01, /* Collection (Application), */
|
|
0x85, 0x0D, /* Report ID (13), */
|
|
0x95, 0x01, /* Report Count (1), */
|
|
0x75, 0x10, /* Report Size (16), */
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
|
0x0A, 0x2F, 0x02, /* Usage (AC Zoom), */
|
|
0x0A, 0x2E, 0x02, /* Usage (AC Zoom Out), */
|
|
0x0A, 0x2D, 0x02, /* Usage (AC Zoom In), */
|
|
0x09, 0xB6, /* Usage (Scan Previous Track), */
|
|
0x09, 0xB5, /* Usage (Scan Next Track), */
|
|
0x08, /* Usage (00h), */
|
|
0x08, /* Usage (00h), */
|
|
0x08, /* Usage (00h), */
|
|
0x08, /* Usage (00h), */
|
|
0x08, /* Usage (00h), */
|
|
0x0A, 0x2E, 0x02, /* Usage (AC Zoom Out), */
|
|
0x0A, 0x2D, 0x02, /* Usage (AC Zoom In), */
|
|
0x15, 0x0C, /* Logical Minimum (12), */
|
|
0x25, 0x17, /* Logical Maximum (23), */
|
|
0x75, 0x05, /* Report Size (5), */
|
|
0x80, /* Input, */
|
|
0x75, 0x03, /* Report Size (3), */
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
|
0x75, 0x20, /* Report Size (32), */
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
|
0xC0, /* End Collection, */
|
|
0x09, 0x01, /* Usage (Consumer Control), */
|
|
0xA1, 0x01, /* Collection (Application), */
|
|
0x85, 0x0C, /* Report ID (12), */
|
|
0x75, 0x01, /* Report Size (1), */
|
|
0x09, 0xE9, /* Usage (Volume Inc), */
|
|
0x09, 0xEA, /* Usage (Volume Dec), */
|
|
0x09, 0xE2, /* Usage (Mute), */
|
|
0x14, /* Logical Minimum (0), */
|
|
0x25, 0x01, /* Logical Maximum (1), */
|
|
0x95, 0x03, /* Report Count (3), */
|
|
0x81, 0x06, /* Input (Variable, Relative), */
|
|
0x75, 0x05, /* Report Size (5), */
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
|
0xC0 /* End Collection */
|
|
};
|
|
|
|
struct waltop_state {
|
|
u8 pressure0;
|
|
u8 pressure1;
|
|
};
|
|
|
|
static int waltop_probe(struct hid_device *hdev,
|
|
const struct hid_device_id *id)
|
|
{
|
|
int ret;
|
|
struct waltop_state *s;
|
|
|
|
s = kzalloc(sizeof(*s), GFP_KERNEL);
|
|
if (s == NULL) {
|
|
hid_err(hdev, "can't allocate device state\n");
|
|
ret = -ENOMEM;
|
|
goto err;
|
|
}
|
|
|
|
s->pressure0 = 0;
|
|
s->pressure1 = 0;
|
|
|
|
hid_set_drvdata(hdev, s);
|
|
|
|
ret = hid_parse(hdev);
|
|
if (ret) {
|
|
hid_err(hdev, "parse failed\n");
|
|
goto err;
|
|
}
|
|
|
|
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
|
|
if (ret) {
|
|
hid_err(hdev, "hw start failed\n");
|
|
goto err;
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
kfree(s);
|
|
return ret;
|
|
}
|
|
|
|
static __u8 *waltop_report_fixup(struct hid_device *hdev, __u8 *rdesc,
|
|
unsigned int *rsize)
|
|
{
|
|
switch (hdev->product) {
|
|
case USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH:
|
|
if (*rsize == SLIM_TABLET_5_8_INCH_RDESC_ORIG_SIZE) {
|
|
rdesc = slim_tablet_5_8_inch_rdesc_fixed;
|
|
*rsize = sizeof(slim_tablet_5_8_inch_rdesc_fixed);
|
|
}
|
|
break;
|
|
case USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH:
|
|
if (*rsize == SLIM_TABLET_12_1_INCH_RDESC_ORIG_SIZE) {
|
|
rdesc = slim_tablet_12_1_inch_rdesc_fixed;
|
|
*rsize = sizeof(slim_tablet_12_1_inch_rdesc_fixed);
|
|
}
|
|
break;
|
|
case USB_DEVICE_ID_WALTOP_Q_PAD:
|
|
if (*rsize == Q_PAD_RDESC_ORIG_SIZE) {
|
|
rdesc = q_pad_rdesc_fixed;
|
|
*rsize = sizeof(q_pad_rdesc_fixed);
|
|
}
|
|
break;
|
|
case USB_DEVICE_ID_WALTOP_PID_0038:
|
|
if (*rsize == PID_0038_RDESC_ORIG_SIZE) {
|
|
rdesc = pid_0038_rdesc_fixed;
|
|
*rsize = sizeof(pid_0038_rdesc_fixed);
|
|
}
|
|
break;
|
|
case USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH:
|
|
if (*rsize == MEDIA_TABLET_10_6_INCH_RDESC_ORIG_SIZE) {
|
|
rdesc = media_tablet_10_6_inch_rdesc_fixed;
|
|
*rsize = sizeof(media_tablet_10_6_inch_rdesc_fixed);
|
|
}
|
|
break;
|
|
case USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH:
|
|
if (*rsize == MEDIA_TABLET_14_1_INCH_RDESC_ORIG_SIZE) {
|
|
rdesc = media_tablet_14_1_inch_rdesc_fixed;
|
|
*rsize = sizeof(media_tablet_14_1_inch_rdesc_fixed);
|
|
}
|
|
break;
|
|
}
|
|
return rdesc;
|
|
}
|
|
|
|
static int waltop_raw_event(struct hid_device *hdev, struct hid_report *report,
|
|
u8 *data, int size)
|
|
{
|
|
/* If this is a pen input report of a tablet with PID 0038 */
|
|
if (hdev->product == USB_DEVICE_ID_WALTOP_PID_0038 &&
|
|
report->type == HID_INPUT_REPORT &&
|
|
report->id == 16 &&
|
|
size == 8) {
|
|
struct waltop_state *s = hid_get_drvdata(hdev);
|
|
|
|
/*
|
|
* Ignore maximum pressure reported when a barrel button is
|
|
* pressed.
|
|
*/
|
|
|
|
/* If a barrel button is pressed */
|
|
if ((data[1] & 0xF) > 1) {
|
|
/* Use the last known pressure */
|
|
data[6] = s->pressure0;
|
|
data[7] = s->pressure1;
|
|
} else {
|
|
/* Remember reported pressure */
|
|
s->pressure0 = data[6];
|
|
s->pressure1 = data[7];
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void waltop_remove(struct hid_device *hdev)
|
|
{
|
|
struct waltop_state *s = hid_get_drvdata(hdev);
|
|
|
|
hid_hw_stop(hdev);
|
|
kfree(s);
|
|
}
|
|
|
|
static const struct hid_device_id waltop_devices[] = {
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
|
|
USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
|
|
USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
|
|
USB_DEVICE_ID_WALTOP_Q_PAD) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
|
|
USB_DEVICE_ID_WALTOP_PID_0038) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
|
|
USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
|
|
USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(hid, waltop_devices);
|
|
|
|
static struct hid_driver waltop_driver = {
|
|
.name = "waltop",
|
|
.id_table = waltop_devices,
|
|
.probe = waltop_probe,
|
|
.report_fixup = waltop_report_fixup,
|
|
.raw_event = waltop_raw_event,
|
|
.remove = waltop_remove,
|
|
};
|
|
|
|
static int __init waltop_init(void)
|
|
{
|
|
return hid_register_driver(&waltop_driver);
|
|
}
|
|
|
|
static void __exit waltop_exit(void)
|
|
{
|
|
hid_unregister_driver(&waltop_driver);
|
|
}
|
|
|
|
module_init(waltop_init);
|
|
module_exit(waltop_exit);
|
|
MODULE_LICENSE("GPL");
|