forked from Minki/linux
bd9033ebc1
Fix minor coding style violations in the hid-uclogic driver. Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
402 lines
18 KiB
C
402 lines
18 KiB
C
/*
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* HID driver for UC-Logic 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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* The original descriptors of WPXXXXU tablets have three report IDs, of
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* which only two are used (8 and 9), and the remaining (7) seems to have
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* the originally intended pen description which was abandoned for some
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* reason. From this unused description it is possible to extract the
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* actual physical extents and resolution. All the models use the same
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* descriptor with different extents for the unused report ID.
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*
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* Here it is:
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*
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* Usage Page (Digitizer), ; Digitizer (0Dh)
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* Usage (Pen), ; Pen (02h, application collection)
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* Collection (Application),
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* Report ID (7),
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* Usage (Stylus), ; Stylus (20h, logical collection)
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* Collection (Physical),
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* Usage (Tip Switch), ; Tip switch (42h, momentary control)
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* Usage (Barrel Switch), ; Barrel switch (44h, momentary control)
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* Usage (Eraser), ; Eraser (45h, momentary control)
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* Logical Minimum (0),
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* Logical Maximum (1),
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* Report Size (1),
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* Report Count (3),
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* Input (Variable),
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* Report Count (3),
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* Input (Constant, Variable),
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* Usage (In Range), ; In range (32h, momentary control)
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* Report Count (1),
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* Input (Variable),
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* Report Count (1),
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* Input (Constant, Variable),
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* Usage Page (Desktop), ; Generic desktop controls (01h)
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* Usage (X), ; X (30h, dynamic value)
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* Report Size (16),
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* Report Count (1),
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* Push,
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* Unit Exponent (13),
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* Unit (Inch^3),
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* Physical Minimum (0),
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* Physical Maximum (Xpm),
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* Logical Maximum (Xlm),
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* Input (Variable),
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* Usage (Y), ; Y (31h, dynamic value)
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* Physical Maximum (Ypm),
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* Logical Maximum (Ylm),
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* Input (Variable),
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* Pop,
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* Usage Page (Digitizer), ; Digitizer (0Dh)
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* Usage (Tip Pressure), ; Tip pressure (30h, dynamic value)
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* Logical Maximum (1023),
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* Input (Variable),
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* Report Size (16),
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* End Collection,
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* End Collection,
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* Usage Page (Desktop), ; Generic desktop controls (01h)
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* Usage (Mouse), ; Mouse (02h, application collection)
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* Collection (Application),
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* Report ID (8),
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* Usage (Pointer), ; Pointer (01h, physical collection)
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* Collection (Physical),
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* Usage Page (Button), ; Button (09h)
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* Usage Minimum (01h),
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* Usage Maximum (03h),
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* Logical Minimum (0),
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* Logical Maximum (1),
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* Report Count (3),
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* Report Size (1),
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* Input (Variable),
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* Report Count (5),
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* Input (Constant),
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* Usage Page (Desktop), ; Generic desktop controls (01h)
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* Usage (X), ; X (30h, dynamic value)
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* Usage (Y), ; Y (31h, dynamic value)
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* Usage (Wheel), ; Wheel (38h, dynamic value)
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* Usage (00h),
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* Logical Minimum (-127),
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* Logical Maximum (127),
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* Report Size (8),
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* Report Count (4),
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* Input (Variable, Relative),
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* End Collection,
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* End Collection,
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* Usage Page (Desktop), ; Generic desktop controls (01h)
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* Usage (Mouse), ; Mouse (02h, application collection)
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* Collection (Application),
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* Report ID (9),
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* Usage (Pointer), ; Pointer (01h, physical collection)
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* Collection (Physical),
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* Usage Page (Button), ; Button (09h)
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* Usage Minimum (01h),
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* Usage Maximum (03h),
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* Logical Minimum (0),
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* Logical Maximum (1),
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* Report Count (3),
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* Report Size (1),
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* Input (Variable),
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* Report Count (5),
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* Input (Constant),
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* Usage Page (Desktop), ; Generic desktop controls (01h)
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* Usage (X), ; X (30h, dynamic value)
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* Usage (Y), ; Y (31h, dynamic value)
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* Logical Minimum (0),
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* Logical Maximum (32767),
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* Physical Minimum (0),
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* Physical Maximum (32767),
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* Report Count (2),
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* Report Size (16),
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* Input (Variable),
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* Usage Page (Digitizer), ; Digitizer (0Dh)
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* Usage (Tip Pressure), ; Tip pressure (30h, dynamic value)
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* Logical Maximum (1023),
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* Report Count (1),
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* Report Size (16),
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* Input (Variable),
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* End Collection,
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* End Collection
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*
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* Here are the extents values for the WPXXXXU models:
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*
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* Xpm Xlm Ypm Ylm
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* WP4030U 4000 8000 3000 6000
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* WP5540U 5500 11000 4000 8000
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* WP8060U 8000 16000 6000 12000
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*
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* This suggests that all of them have 2000 LPI resolution, as advertised.
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*/
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/* Size of the original descriptor of WPXXXXU tablets */
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#define WPXXXXU_RDESC_ORIG_SIZE 212
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/*
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* Fixed WP4030U report descriptor.
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* Although the hardware might actually support it, the mouse description
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* has been removed, since there seems to be no devices having one and it
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* wouldn't make much sense because of the working area size.
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*/
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static __u8 wp4030u_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, 0x09, /* Report ID (9), */
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0x09, 0x20, /* Usage (Stylus), */
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0xA0, /* Collection (Physical), */
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0x75, 0x01, /* Report Size (1), */
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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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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, 0x02, /* Input (Variable), */
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0x95, 0x05, /* Report Count (5), */
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0x81, 0x01, /* Input (Constant), */
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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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0x55, 0xFD, /* Unit Exponent (-3), */
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0x65, 0x13, /* Unit (Inch), */
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0x34, /* Physical Minimum (0), */
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0x09, 0x30, /* Usage (X), */
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0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */
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0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
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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, 0xFF, 0x7F, /* Logical Maximum (32767), */
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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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/* Fixed WP5540U report descriptor */
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static __u8 wp5540u_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, 0x09, /* Report ID (9), */
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0x09, 0x20, /* Usage (Stylus), */
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0xA0, /* Collection (Physical), */
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0x75, 0x01, /* Report Size (1), */
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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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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, 0x02, /* Input (Variable), */
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0x95, 0x05, /* Report Count (5), */
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0x81, 0x01, /* Input (Constant), */
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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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0x55, 0xFD, /* Unit Exponent (-3), */
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0x65, 0x13, /* Unit (Inch), */
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0x34, /* Physical Minimum (0), */
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0x09, 0x30, /* Usage (X), */
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0x46, 0x7C, 0x15, /* Physical Maximum (5500), */
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0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
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0x81, 0x02, /* Input (Variable), */
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0x09, 0x31, /* Usage (Y), */
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0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */
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0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
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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, 0x08, /* Report ID (8), */
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0x09, 0x01, /* Usage (Pointer), */
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0xA0, /* Collection (Physical), */
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0x75, 0x01, /* Report Size (1), */
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0x05, 0x09, /* Usage Page (Button), */
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0x19, 0x01, /* Usage Minimum (01h), */
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0x29, 0x03, /* Usage Maximum (03h), */
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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, 0x02, /* Input (Variable), */
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0x95, 0x05, /* Report Count (5), */
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0x81, 0x01, /* Input (Constant), */
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0x05, 0x01, /* Usage Page (Desktop), */
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0x75, 0x08, /* Report Size (8), */
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0x09, 0x30, /* Usage (X), */
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0x09, 0x31, /* Usage (Y), */
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0x15, 0x81, /* Logical Minimum (-127), */
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0x25, 0x7F, /* Logical Maximum (127), */
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0x95, 0x02, /* Report Count (2), */
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0x81, 0x06, /* Input (Variable, Relative), */
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0x09, 0x38, /* Usage (Wheel), */
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0x15, 0xFF, /* Logical Minimum (-1), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x95, 0x01, /* Report Count (1), */
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0x81, 0x06, /* Input (Variable, Relative), */
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0x81, 0x01, /* Input (Constant), */
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0xC0, /* End Collection, */
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0xC0 /* End Collection */
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};
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/* Fixed WP8060U report descriptor */
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static __u8 wp8060u_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, 0x09, /* Report ID (9), */
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0x09, 0x20, /* Usage (Stylus), */
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0xA0, /* Collection (Physical), */
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0x75, 0x01, /* Report Size (1), */
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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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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, 0x02, /* Input (Variable), */
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0x95, 0x05, /* Report Count (5), */
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0x81, 0x01, /* Input (Constant), */
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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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0x55, 0xFD, /* Unit Exponent (-3), */
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0x65, 0x13, /* Unit (Inch), */
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0x34, /* Physical Minimum (0), */
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0x09, 0x30, /* Usage (X), */
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0x46, 0x40, 0x1F, /* Physical Maximum (8000), */
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0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
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0x81, 0x02, /* Input (Variable), */
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0x09, 0x31, /* Usage (Y), */
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0x46, 0x70, 0x17, /* Physical Maximum (6000), */
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0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
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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, 0x08, /* Report ID (8), */
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0x09, 0x01, /* Usage (Pointer), */
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0xA0, /* Collection (Physical), */
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0x75, 0x01, /* Report Size (1), */
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0x05, 0x09, /* Usage Page (Button), */
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0x19, 0x01, /* Usage Minimum (01h), */
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0x29, 0x03, /* Usage Maximum (03h), */
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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, 0x02, /* Input (Variable), */
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0x95, 0x05, /* Report Count (5), */
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0x81, 0x01, /* Input (Constant), */
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0x05, 0x01, /* Usage Page (Desktop), */
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0x75, 0x08, /* Report Size (8), */
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0x09, 0x30, /* Usage (X), */
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0x09, 0x31, /* Usage (Y), */
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0x15, 0x81, /* Logical Minimum (-127), */
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0x25, 0x7F, /* Logical Maximum (127), */
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0x95, 0x02, /* Report Count (2), */
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0x81, 0x06, /* Input (Variable, Relative), */
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0x09, 0x38, /* Usage (Wheel), */
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0x15, 0xFF, /* Logical Minimum (-1), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x95, 0x01, /* Report Count (1), */
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0x81, 0x06, /* Input (Variable, Relative), */
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0x81, 0x01, /* Input (Constant), */
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0xC0, /* End Collection, */
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0xC0 /* End Collection */
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};
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static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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switch (hdev->product) {
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case USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U:
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if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
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rdesc = wp4030u_rdesc_fixed;
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*rsize = sizeof(wp4030u_rdesc_fixed);
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}
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break;
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case USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U:
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if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
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rdesc = wp5540u_rdesc_fixed;
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*rsize = sizeof(wp5540u_rdesc_fixed);
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}
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break;
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case USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U:
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if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
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rdesc = wp8060u_rdesc_fixed;
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*rsize = sizeof(wp8060u_rdesc_fixed);
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}
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break;
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}
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return rdesc;
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}
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static const struct hid_device_id uclogic_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
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USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
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USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
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USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, uclogic_devices);
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static struct hid_driver uclogic_driver = {
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.name = "uclogic",
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.id_table = uclogic_devices,
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.report_fixup = uclogic_report_fixup,
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};
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static int __init uclogic_init(void)
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{
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return hid_register_driver(&uclogic_driver);
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}
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static void __exit uclogic_exit(void)
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{
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hid_unregister_driver(&uclogic_driver);
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}
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module_init(uclogic_init);
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module_exit(uclogic_exit);
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MODULE_LICENSE("GPL");
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