746 lines
39 KiB
C
746 lines
39 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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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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*/
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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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/* 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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/* 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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/* 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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/* 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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/* 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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||
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0x65, 0x13, /* Unit (Inch), */
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||
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0x55, 0xFD, /* Unit Exponent (-3), */
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||
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0x34, /* Physical Minimum (0), */
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||
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0x09, 0x30, /* Usage (X), */
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||
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0x46, 0x28, 0x23, /* Physical Maximum (9000), */
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||
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0x26, 0x50, 0x46, /* Logical Maximum (18000), */
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||
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0x81, 0x02, /* Input (Variable), */
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0x09, 0x31, /* Usage (Y), */
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||
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0x46, 0x7C, 0x15, /* Physical Maximum (5500), */
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||
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0x26, 0xF8, 0x2A, /* Logical Maximum (11000), */
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||
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0x81, 0x02, /* Input (Variable), */
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0xB4, /* Pop, */
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||
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0x09, 0x30, /* Usage (Tip Pressure), */
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||
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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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||
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0xC0, /* End Collection, */
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||
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0x05, 0x01, /* Usage Page (Desktop), */
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||
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0x09, 0x02, /* Usage (Mouse), */
|
||
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0xA1, 0x01, /* Collection (Application), */
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||
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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), */
|
||
|
|
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), */
|
||
|
|
0x95, 0x02, /* Report Count (2), */
|
||
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
||
|
|
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), */
|
||
|
|
0x95, 0x35, /* Report Count (53), */
|
||
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
||
|
|
0xC0 /* End Collection */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* 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 */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Size of the original report descriptor of Sirius Battery Free Tablet */
|
||
|
|
#define SIRIUS_BATTERY_FREE_TABLET_RDESC_ORIG_SIZE 335
|
||
|
|
|
||
|
|
/* Fixed Sirius Battery Free Tablet descriptor */
|
||
|
|
static __u8 sirius_battery_free_tablet_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), */
|
||
|
|
0x95, 0x01, /* Report Count (1), */
|
||
|
|
0x15, 0x01, /* Logical Minimum (1), */
|
||
|
|
0x25, 0x03, /* Logical Maximum (3), */
|
||
|
|
0x75, 0x02, /* Report Size (2), */
|
||
|
|
0x09, 0x42, /* Usage (Tip Switch), */
|
||
|
|
0x09, 0x44, /* Usage (Barrel Switch), */
|
||
|
|
0x09, 0x46, /* Usage (Tablet Pick), */
|
||
|
|
0x80, /* Input, */
|
||
|
|
0x14, /* Logical Minimum (0), */
|
||
|
|
0x25, 0x01, /* Logical Maximum (1), */
|
||
|
|
0x75, 0x01, /* Report Size (1), */
|
||
|
|
0x09, 0x3C, /* Usage (Invert), */
|
||
|
|
0x81, 0x02, /* Input (Variable), */
|
||
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
||
|
|
0x09, 0x32, /* Usage (In Range), */
|
||
|
|
0x81, 0x02, /* Input (Variable), */
|
||
|
|
0x95, 0x03, /* Report Count (3), */
|
||
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
||
|
|
0xA4, /* Push, */
|
||
|
|
0x05, 0x01, /* Usage Page (Desktop), */
|
||
|
|
0x55, 0xFD, /* Unit Exponent (-3), */
|
||
|
|
0x65, 0x13, /* Unit (Inch), */
|
||
|
|
0x34, /* Physical Minimum (0), */
|
||
|
|
0x14, /* Logical Minimum (0), */
|
||
|
|
0x75, 0x10, /* Report Size (16), */
|
||
|
|
0x95, 0x01, /* Report Count (1), */
|
||
|
|
0x46, 0x10, 0x27, /* Physical Maximum (10000), */
|
||
|
|
0x26, 0x20, 0x4E, /* Logical Maximum (20000), */
|
||
|
|
0x09, 0x30, /* Usage (X), */
|
||
|
|
0x81, 0x02, /* Input (Variable), */
|
||
|
|
0x46, 0x70, 0x17, /* Physical Maximum (6000), */
|
||
|
|
0x26, 0xE0, 0x2E, /* Logical Maximum (12000), */
|
||
|
|
0x09, 0x31, /* Usage (Y), */
|
||
|
|
0x81, 0x02, /* Input (Variable), */
|
||
|
|
0xB4, /* Pop, */
|
||
|
|
0x75, 0x10, /* Report Size (16), */
|
||
|
|
0x95, 0x01, /* Report Count (1), */
|
||
|
|
0x14, /* Logical Minimum (0), */
|
||
|
|
0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
|
||
|
|
0x09, 0x30, /* Usage (Tip Pressure), */
|
||
|
|
0x81, 0x02, /* Input (Variable), */
|
||
|
|
0xA4, /* Push, */
|
||
|
|
0x55, 0xFE, /* Unit Exponent (-2), */
|
||
|
|
0x65, 0x12, /* Unit (Radians), */
|
||
|
|
0x35, 0x97, /* Physical Minimum (-105), */
|
||
|
|
0x45, 0x69, /* Physical Maximum (105), */
|
||
|
|
0x15, 0x97, /* Logical Minimum (-105), */
|
||
|
|
0x25, 0x69, /* Logical Maximum (105), */
|
||
|
|
0x75, 0x08, /* Report Size (8), */
|
||
|
|
0x95, 0x02, /* Report Count (2), */
|
||
|
|
0x09, 0x3D, /* Usage (X Tilt), */
|
||
|
|
0x09, 0x3E, /* Usage (Y Tilt), */
|
||
|
|
0x81, 0x02, /* Input (Variable), */
|
||
|
|
0xB4, /* Pop, */
|
||
|
|
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), */
|
||
|
|
0x09, 0x38, /* Usage (Wheel), */
|
||
|
|
0x15, 0xFF, /* Logical Minimum (-1), */
|
||
|
|
0x25, 0x01, /* Logical Maximum (1), */
|
||
|
|
0x75, 0x08, /* Report Size (8), */
|
||
|
|
0x95, 0x01, /* Report Count (1), */
|
||
|
|
0x81, 0x06, /* Input (Variable, Relative), */
|
||
|
|
0x75, 0x08, /* Report Size (8), */
|
||
|
|
0x95, 0x03, /* Report Count (3), */
|
||
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
||
|
|
0xC0, /* End Collection, */
|
||
|
|
0xC0, /* End Collection, */
|
||
|
|
0x05, 0x01, /* Usage Page (Desktop), */
|
||
|
|
0x09, 0x06, /* Usage (Keyboard), */
|
||
|
|
0xA1, 0x01, /* Collection (Application), */
|
||
|
|
0x85, 0x0D, /* Report ID (13), */
|
||
|
|
0x05, 0x07, /* Usage Page (Keyboard), */
|
||
|
|
0x19, 0xE0, /* Usage Minimum (KB Leftcontrol), */
|
||
|
|
0x29, 0xE7, /* Usage Maximum (KB Right GUI), */
|
||
|
|
0x14, /* Logical Minimum (0), */
|
||
|
|
0x25, 0x01, /* Logical Maximum (1), */
|
||
|
|
0x75, 0x01, /* Report Size (1), */
|
||
|
|
0x95, 0x08, /* Report Count (8), */
|
||
|
|
0x81, 0x02, /* Input (Variable), */
|
||
|
|
0x75, 0x08, /* Report Size (8), */
|
||
|
|
0x95, 0x01, /* Report Count (1), */
|
||
|
|
0x81, 0x01, /* Input (Constant), */
|
||
|
|
0x18, /* Usage Minimum (None), */
|
||
|
|
0x29, 0x65, /* Usage Maximum (KB Application), */
|
||
|
|
0x14, /* Logical Minimum (0), */
|
||
|
|
0x25, 0x65, /* Logical Maximum (101), */
|
||
|
|
0x75, 0x08, /* Report Size (8), */
|
||
|
|
0x95, 0x05, /* Report Count (5), */
|
||
|
|
0x80, /* Input, */
|
||
|
|
0xC0, /* End Collection, */
|
||
|
|
0x05, 0x0C, /* Usage Page (Consumer), */
|
||
|
|
0x09, 0x01, /* Usage (Consumer Control), */
|
||
|
|
0xA1, 0x01, /* Collection (Application), */
|
||
|
|
0x85, 0x0C, /* Report ID (12), */
|
||
|
|
0x09, 0xE9, /* Usage (Volume Inc), */
|
||
|
|
0x09, 0xEA, /* Usage (Volume Dec), */
|
||
|
|
0x14, /* Logical Minimum (0), */
|
||
|
|
0x25, 0x01, /* Logical Maximum (1), */
|
||
|
|
0x75, 0x01, /* Report Size (1), */
|
||
|
|
0x95, 0x02, /* Report Count (2), */
|
||
|
|
0x81, 0x02, /* Input (Variable), */
|
||
|
|
0x75, 0x06, /* Report Size (6), */
|
||
|
|
0x95, 0x01, /* Report Count (1), */
|
||
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
||
|
|
0x75, 0x10, /* Report Size (16), */
|
||
|
|
0x95, 0x03, /* Report Count (3), */
|
||
|
|
0x81, 0x03, /* Input (Constant, Variable), */
|
||
|
|
0xC0 /* End Collection */
|
||
|
|
};
|
||
|
|
|
||
|
|
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;
|
||
|
|
case USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET:
|
||
|
|
if (*rsize == SIRIUS_BATTERY_FREE_TABLET_RDESC_ORIG_SIZE) {
|
||
|
|
rdesc = sirius_battery_free_tablet_rdesc_fixed;
|
||
|
|
*rsize = sizeof(sirius_battery_free_tablet_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 */
|
||
|
|
if (report->type == HID_INPUT_REPORT && report->id == 16 && size >= 8) {
|
||
|
|
/*
|
||
|
|
* Ignore reported pressure when a barrel button is pressed,
|
||
|
|
* because it is rarely correct.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* If a barrel button is pressed */
|
||
|
|
if ((data[1] & 0xF) > 1) {
|
||
|
|
/* Report zero pressure */
|
||
|
|
data[6] = 0;
|
||
|
|
data[7] = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* If this is a pen input report of Sirius Battery Free Tablet */
|
||
|
|
if (hdev->product == USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET &&
|
||
|
|
report->type == HID_INPUT_REPORT &&
|
||
|
|
report->id == 16 &&
|
||
|
|
size == 10) {
|
||
|
|
/*
|
||
|
|
* The tablet reports tilt as roughly sin(a)*21 (18 means 60
|
||
|
|
* degrees).
|
||
|
|
*
|
||
|
|
* This array stores angles as radians * 100, corresponding to
|
||
|
|
* reported values up to 60 degrees, as expected by userspace.
|
||
|
|
*/
|
||
|
|
static const s8 tilt_to_radians[] = {
|
||
|
|
0, 5, 10, 14, 19, 24, 29, 34, 40, 45,
|
||
|
|
50, 56, 62, 68, 74, 81, 88, 96, 105
|
||
|
|
};
|
||
|
|
|
||
|
|
s8 tilt_x = (s8)data[8];
|
||
|
|
s8 tilt_y = (s8)data[9];
|
||
|
|
s8 sign_x = tilt_x >= 0 ? 1 : -1;
|
||
|
|
s8 sign_y = tilt_y >= 0 ? 1 : -1;
|
||
|
|
|
||
|
|
tilt_x *= sign_x;
|
||
|
|
tilt_y *= sign_y;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Reverse the Y Tilt direction to match the HID standard and
|
||
|
|
* userspace expectations. See HID Usage Tables v1.12 16.3.2
|
||
|
|
* Tilt Orientation.
|
||
|
|
*/
|
||
|
|
sign_y *= -1;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This effectively clamps reported tilt to 60 degrees - the
|
||
|
|
* range expected by userspace
|
||
|
|
*/
|
||
|
|
if (tilt_x > ARRAY_SIZE(tilt_to_radians) - 1)
|
||
|
|
tilt_x = ARRAY_SIZE(tilt_to_radians) - 1;
|
||
|
|
if (tilt_y > ARRAY_SIZE(tilt_to_radians) - 1)
|
||
|
|
tilt_y = ARRAY_SIZE(tilt_to_radians) - 1;
|
||
|
|
|
||
|
|
data[8] = tilt_to_radians[tilt_x] * sign_x;
|
||
|
|
data[9] = tilt_to_radians[tilt_y] * sign_y;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
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) },
|
||
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
|
||
|
|
USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(hid, waltop_devices);
|
||
|
|
|
||
|
|
static struct hid_driver waltop_driver = {
|
||
|
|
.name = "waltop",
|
||
|
|
.id_table = waltop_devices,
|
||
|
|
.report_fixup = waltop_report_fixup,
|
||
|
|
.raw_event = waltop_raw_event,
|
||
|
|
};
|
||
|
|
module_hid_driver(waltop_driver);
|
||
|
|
|
||
|
|
MODULE_LICENSE("GPL");
|