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| 1 | +// SPDX-License-Identifier: GPL-2.0+ |
| 2 | +/* |
| 3 | + * Copyright (c) 2019 Gabriel Zöller |
| 4 | + */ |
| 5 | + |
| 6 | +/* |
| 7 | + * This program is free software; you can redistribute it and/or modify it |
| 8 | + * under the terms of the GNU General Public License as published by the Free |
| 9 | + * Software Foundation; either version 2 of the License, or (at your option) |
| 10 | + * any later version. |
| 11 | + */ |
| 12 | + |
| 13 | +#include <linux/device.h> |
| 14 | +#include <linux/hid.h> |
| 15 | +#include <linux/module.h> |
| 16 | +#include <linux/usb.h> |
| 17 | + |
| 18 | +#include "hid-ids.h" |
| 19 | + |
| 20 | +/* Size of the original descriptor of Artist 13.3 tablets */ |
| 21 | +#define ARTIST133_RDESC_ORIG_SIZE 140 |
| 22 | + |
| 23 | +/* Fixed ARTIST133 report descriptor */ |
| 24 | +static __u8 artist133_rdesc_fixed[] = { |
| 25 | + 0x05, 0x0D, /* Usage Page (Digitizer), */ |
| 26 | + 0x09, 0x02, /* Usage (Pen), */ |
| 27 | + 0xA1, 0x01, /* Collection (Application), */ |
| 28 | + 0x85, 0x07, /* Report ID (7), */ |
| 29 | + 0x09, 0x20, /* Usage (Stylus), */ |
| 30 | + 0xA1, 0x00, /* Collection (Physical), */ |
| 31 | + 0x09, 0x42, /* Usage (Tip Switch), */ |
| 32 | + 0x09, 0x44, /* Usage (Barrel Switch), */ |
| 33 | + // changed from eraser to tablet pick |
| 34 | + 0x09, 0x46, /* Usage (Tablet Pick), */ |
| 35 | + 0x15, 0x00, /* Logical Minimum (0), */ |
| 36 | + 0x25, 0x01, /* Logical Maximum (1), */ |
| 37 | + 0x75, 0x01, /* Report Size (1), */ |
| 38 | + 0x95, 0x03, /* Report Count (3), */ |
| 39 | + 0x81, 0x02, /* Input (Variable), */ |
| 40 | + 0x95, 0x02, /* Report Count (2), */ |
| 41 | + 0x81, 0x03, /* Input (Constant, Variable), */ |
| 42 | + 0x09, 0x32, /* Usage (In Range), */ |
| 43 | + 0x95, 0x01, /* Report Count (1), */ |
| 44 | + 0x81, 0x02, /* Input (Variable), */ |
| 45 | + 0x95, 0x02, /* Report Count (2), */ |
| 46 | + 0x81, 0x03, /* Input (Constant, Variable), */ |
| 47 | + 0x75, 0x10, /* Report Size (16), */ |
| 48 | + 0x95, 0x01, /* Report Count (1), */ |
| 49 | + 0x35, 0x00, /* Physical Minimum (0), */ |
| 50 | + 0xA4, /* Push, */ |
| 51 | + 0x05, 0x01, /* Usage Page (Desktop), */ |
| 52 | + 0x09, 0x30, /* Usage (X), */ |
| 53 | + 0x65, 0x13, /* Unit (Inch), */ |
| 54 | + 0x55, 0x0D, /* Unit Exponent (13), */ |
| 55 | + 0x46, 0x2D, 0x2D, /* Physical Maximum (11565), */ |
| 56 | + 0x27, 0xC0, 0x72, 0x00, 0x00, /* Logical Maximum (29376), */ |
| 57 | + 0x81, 0x02, /* Input (Variable), */ |
| 58 | + 0x09, 0x31, /* Usage (Y), */ |
| 59 | + 0x46, 0x69, 0x19, /* Physical Maximum (6505), */ |
| 60 | + 0x27, 0x8C, 0x40, 0x00, 0x00, /* Logical Maximum (16524), */ |
| 61 | + 0x81, 0x02, /* Input (Variable), */ |
| 62 | + 0xB4, /* Pop, */ |
| 63 | + 0x09, 0x30, /* Usage (Tip Pressure), */ |
| 64 | + 0x45, 0x00, /* Physical Maximum (0), */ |
| 65 | + 0x26, 0xFF, 0x1F, /* Logical Maximum (8191), */ |
| 66 | + 0x81, 0x02, /* Input (Variable), */ |
| 67 | + 0xC0, /* End Collection, */ |
| 68 | + 0xC0, /* End Collection, */ |
| 69 | + 0x09, 0x0E, /* Usage (Configuration), */ |
| 70 | + 0xA1, 0x01, /* Collection (Application), */ |
| 71 | + 0x85, 0x05, /* Report ID (5), */ |
| 72 | + 0x09, 0x23, /* Usage (Device Settings), */ |
| 73 | + 0xA1, 0x02, /* Collection (Logical), */ |
| 74 | + 0x09, 0x52, /* Usage (Device Mode), */ |
| 75 | + 0x09, 0x53, /* Usage (Device Identifier), */ |
| 76 | + 0x25, 0x0A, /* Logical Maximum (10), */ |
| 77 | + 0x75, 0x08, /* Report Size (8), */ |
| 78 | + 0x95, 0x02, /* Report Count (2), */ |
| 79 | + 0xB1, 0x02, /* Feature (Variable), */ |
| 80 | + 0xC0, /* End Collection, */ |
| 81 | + 0xC0, /* End Collection, */ |
| 82 | + 0x05, 0x0C, /* Usage Page (Consumer), */ |
| 83 | + 0x09, 0x36, /* Usage (Function Buttons), */ |
| 84 | + 0xA1, 0x00, /* Collection (Physical), */ |
| 85 | + 0x85, 0x06, /* Report ID (6), */ |
| 86 | + 0x05, 0x09, /* Usage Page (Button), */ |
| 87 | + 0x19, 0x01, /* Usage Minimum (01h), */ |
| 88 | + 0x29, 0x20, /* Usage Maximum (20h), */ |
| 89 | + 0x15, 0x00, /* Logical Minimum (0), */ |
| 90 | + 0x25, 0x01, /* Logical Maximum (1), */ |
| 91 | + 0x95, 0x20, /* Report Count (32), */ |
| 92 | + 0x75, 0x01, /* Report Size (1), */ |
| 93 | + 0x81, 0x02, /* Input (Variable), */ |
| 94 | + 0xC0 /* End Collection */ |
| 95 | +}; |
| 96 | + |
| 97 | +static __u8 *artist133_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
| 98 | + unsigned int *rsize) |
| 99 | +{ |
| 100 | + struct usb_interface *iface = to_usb_interface(hdev->dev.parent); |
| 101 | + __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber; |
| 102 | + |
| 103 | + switch (hdev->product) { |
| 104 | + case USB_DEVICE_ID_UGEE_XPPEN_ARTIST_133: |
| 105 | + if (iface_num == 1 && *rsize == ARTIST133_RDESC_ORIG_SIZE) { |
| 106 | + rdesc = artist133_rdesc_fixed; |
| 107 | + *rsize = sizeof(artist133_rdesc_fixed); |
| 108 | + } |
| 109 | + break; |
| 110 | + } |
| 111 | + |
| 112 | + return rdesc; |
| 113 | +} |
| 114 | + |
| 115 | +static int artist133_probe(struct hid_device *hdev, |
| 116 | + const struct hid_device_id *id) |
| 117 | +{ |
| 118 | + struct usb_interface *iface = to_usb_interface(hdev->dev.parent); |
| 119 | + __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber; |
| 120 | + int rc; |
| 121 | + |
| 122 | + if (hdev->product == USB_DEVICE_ID_UGEE_XPPEN_ARTIST_133 && |
| 123 | + iface_num == 2) |
| 124 | + return -ENODEV; |
| 125 | + |
| 126 | + hdev->quirks |= id->driver_data; |
| 127 | + |
| 128 | + rc = hid_parse(hdev); |
| 129 | + if (rc) { |
| 130 | + hid_err(hdev, "parse failed\n"); |
| 131 | + return rc; |
| 132 | + } |
| 133 | + |
| 134 | + rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
| 135 | + if (rc) { |
| 136 | + hid_err(hdev, "hw start failed\n"); |
| 137 | + return rc; |
| 138 | + } |
| 139 | + |
| 140 | + return 0; |
| 141 | +} |
| 142 | + |
| 143 | +static const struct hid_device_id artist133_devices[] = { |
| 144 | + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, |
| 145 | + USB_DEVICE_ID_UGEE_XPPEN_ARTIST_133), |
| 146 | + .driver_data = HID_QUIRK_MULTI_INPUT }, |
| 147 | + { } |
| 148 | +}; |
| 149 | +MODULE_DEVICE_TABLE(hid, artist133_devices); |
| 150 | + |
| 151 | +static struct hid_driver xppen_driver = { |
| 152 | + .name = "xppen", |
| 153 | + .id_table = artist133_devices, |
| 154 | + .probe = artist133_probe, |
| 155 | + .report_fixup = artist133_report_fixup, |
| 156 | +}; |
| 157 | +module_hid_driver(xppen_driver); |
| 158 | + |
| 159 | +MODULE_LICENSE("GPL"); |
| 160 | +MODULE_VERSION("10"); |
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