/* * HID driver for UC-Logic devices not fully compliant with HID standard * * Copyright (c) 2010-2014 Nikolai Kondrashov * Copyright (c) 2013 Martin Rusko */ /* * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. */ #include #include #include #include #include #include "usbhid/usbhid.h" #include "hid-ids.h" /* * See WPXXXXU model descriptions, device and HID report descriptors at * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_WP4030U * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_WP5540U * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_WP8060U */ /* Size of the original descriptor of WPXXXXU tablets */ #define WPXXXXU_RDESC_ORIG_SIZE 212 /* Fixed WP4030U report descriptor */ static __u8 wp4030u_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x09, /* Report ID (9), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x09, 0x42, /* Usage (Tip Switch), */ 0x09, 0x44, /* Usage (Barrel Switch), */ 0x09, 0x46, /* Usage (Tablet Pick), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x05, /* Report Count (5), */ 0x81, 0x01, /* Input (Constant), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x01, /* Report Count (1), */ 0x14, /* Logical Minimum (0), */ 0xA4, /* Push, */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x55, 0xFD, /* Unit Exponent (-3), */ 0x65, 0x13, /* Unit (Inch), */ 0x34, /* Physical Minimum (0), */ 0x09, 0x30, /* Usage (X), */ 0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ 0x46, 0xB8, 0x0B, /* Physical Maximum (3000), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 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 */ }; /* Fixed WP5540U report descriptor */ static __u8 wp5540u_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x09, /* Report ID (9), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x09, 0x42, /* Usage (Tip Switch), */ 0x09, 0x44, /* Usage (Barrel Switch), */ 0x09, 0x46, /* Usage (Tablet Pick), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x05, /* Report Count (5), */ 0x81, 0x01, /* Input (Constant), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x01, /* Report Count (1), */ 0x14, /* Logical Minimum (0), */ 0xA4, /* Push, */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x55, 0xFD, /* Unit Exponent (-3), */ 0x65, 0x13, /* Unit (Inch), */ 0x34, /* Physical Minimum (0), */ 0x09, 0x30, /* Usage (X), */ 0x46, 0x7C, 0x15, /* Physical Maximum (5500), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ 0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 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, 0x08, /* Report ID (8), */ 0x09, 0x01, /* Usage (Pointer), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x05, 0x09, /* Usage Page (Button), */ 0x19, 0x01, /* Usage Minimum (01h), */ 0x29, 0x03, /* Usage Maximum (03h), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x05, /* Report Count (5), */ 0x81, 0x01, /* Input (Constant), */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x75, 0x08, /* Report Size (8), */ 0x09, 0x30, /* Usage (X), */ 0x09, 0x31, /* Usage (Y), */ 0x15, 0x81, /* Logical Minimum (-127), */ 0x25, 0x7F, /* Logical Maximum (127), */ 0x95, 0x02, /* Report Count (2), */ 0x81, 0x06, /* Input (Variable, Relative), */ 0x09, 0x38, /* Usage (Wheel), */ 0x15, 0xFF, /* Logical Minimum (-1), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x01, /* Report Count (1), */ 0x81, 0x06, /* Input (Variable, Relative), */ 0x81, 0x01, /* Input (Constant), */ 0xC0, /* End Collection, */ 0xC0 /* End Collection */ }; /* Fixed WP8060U report descriptor */ static __u8 wp8060u_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x09, /* Report ID (9), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x09, 0x42, /* Usage (Tip Switch), */ 0x09, 0x44, /* Usage (Barrel Switch), */ 0x09, 0x46, /* Usage (Tablet Pick), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x05, /* Report Count (5), */ 0x81, 0x01, /* Input (Constant), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x01, /* Report Count (1), */ 0x14, /* Logical Minimum (0), */ 0xA4, /* Push, */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x55, 0xFD, /* Unit Exponent (-3), */ 0x65, 0x13, /* Unit (Inch), */ 0x34, /* Physical Minimum (0), */ 0x09, 0x30, /* Usage (X), */ 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ 0x46, 0x70, 0x17, /* Physical Maximum (6000), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 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, 0x08, /* Report ID (8), */ 0x09, 0x01, /* Usage (Pointer), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x05, 0x09, /* Usage Page (Button), */ 0x19, 0x01, /* Usage Minimum (01h), */ 0x29, 0x03, /* Usage Maximum (03h), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x05, /* Report Count (5), */ 0x81, 0x01, /* Input (Constant), */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x75, 0x08, /* Report Size (8), */ 0x09, 0x30, /* Usage (X), */ 0x09, 0x31, /* Usage (Y), */ 0x15, 0x81, /* Logical Minimum (-127), */ 0x25, 0x7F, /* Logical Maximum (127), */ 0x95, 0x02, /* Report Count (2), */ 0x81, 0x06, /* Input (Variable, Relative), */ 0x09, 0x38, /* Usage (Wheel), */ 0x15, 0xFF, /* Logical Minimum (-1), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x01, /* Report Count (1), */ 0x81, 0x06, /* Input (Variable, Relative), */ 0x81, 0x01, /* Input (Constant), */ 0xC0, /* End Collection, */ 0xC0 /* End Collection */ }; /* * See WP1062 description, device and HID report descriptors at * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_WP1062 */ /* Size of the original descriptor of WP1062 tablet */ #define WP1062_RDESC_ORIG_SIZE 254 /* Fixed WP1062 report descriptor */ static __u8 wp1062_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x09, /* Report ID (9), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x09, 0x42, /* Usage (Tip Switch), */ 0x09, 0x44, /* Usage (Barrel Switch), */ 0x09, 0x46, /* Usage (Tablet Pick), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x04, /* Report Count (4), */ 0x81, 0x01, /* Input (Constant), */ 0x09, 0x32, /* Usage (In Range), */ 0x95, 0x01, /* Report Count (1), */ 0x81, 0x02, /* Input (Variable), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x01, /* Report Count (1), */ 0x14, /* Logical Minimum (0), */ 0xA4, /* Push, */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x55, 0xFD, /* Unit Exponent (-3), */ 0x65, 0x13, /* Unit (Inch), */ 0x34, /* Physical Minimum (0), */ 0x09, 0x30, /* Usage (X), */ 0x46, 0x10, 0x27, /* Physical Maximum (10000), */ 0x26, 0x20, 0x4E, /* Logical Maximum (20000), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ 0x46, 0xB7, 0x19, /* Physical Maximum (6583), */ 0x26, 0x6E, 0x33, /* Logical Maximum (13166), */ 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 */ }; /* * See PF1209 description, device and HID report descriptors at * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_PF1209 */ /* Size of the original descriptor of PF1209 tablet */ #define PF1209_RDESC_ORIG_SIZE 234 /* Fixed PF1209 report descriptor */ static __u8 pf1209_rdesc_fixed[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x09, /* Report ID (9), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x09, 0x42, /* Usage (Tip Switch), */ 0x09, 0x44, /* Usage (Barrel Switch), */ 0x09, 0x46, /* Usage (Tablet Pick), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x05, /* Report Count (5), */ 0x81, 0x01, /* Input (Constant), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x01, /* Report Count (1), */ 0x14, /* Logical Minimum (0), */ 0xA4, /* Push, */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x55, 0xFD, /* Unit Exponent (-3), */ 0x65, 0x13, /* Unit (Inch), */ 0x34, /* Physical Minimum (0), */ 0x09, 0x30, /* Usage (X), */ 0x46, 0xE0, 0x2E, /* Physical Maximum (12000), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ 0x46, 0x28, 0x23, /* Physical Maximum (9000), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 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, 0x08, /* Report ID (8), */ 0x09, 0x01, /* Usage (Pointer), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x05, 0x09, /* Usage Page (Button), */ 0x19, 0x01, /* Usage Minimum (01h), */ 0x29, 0x03, /* Usage Maximum (03h), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x05, /* Report Count (5), */ 0x81, 0x01, /* Input (Constant), */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x75, 0x08, /* Report Size (8), */ 0x09, 0x30, /* Usage (X), */ 0x09, 0x31, /* Usage (Y), */ 0x15, 0x81, /* Logical Minimum (-127), */ 0x25, 0x7F, /* Logical Maximum (127), */ 0x95, 0x02, /* Report Count (2), */ 0x81, 0x06, /* Input (Variable, Relative), */ 0x09, 0x38, /* Usage (Wheel), */ 0x15, 0xFF, /* Logical Minimum (-1), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x01, /* Report Count (1), */ 0x81, 0x06, /* Input (Variable, Relative), */ 0x81, 0x01, /* Input (Constant), */ 0xC0, /* End Collection, */ 0xC0 /* End Collection */ }; /* * See TWHL850 description, device and HID report descriptors at * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Wireless_Tablet_TWHL850 */ /* Size of the original descriptors of TWHL850 tablet */ #define TWHL850_RDESC_ORIG_SIZE0 182 #define TWHL850_RDESC_ORIG_SIZE1 161 #define TWHL850_RDESC_ORIG_SIZE2 92 /* Fixed PID 0522 tablet report descriptor, interface 0 (stylus) */ static __u8 twhl850_rdesc_fixed0[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x09, /* Report ID (9), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x75, 0x01, /* Report Size (1), */ 0x95, 0x03, /* Report Count (3), */ 0x09, 0x42, /* Usage (Tip Switch), */ 0x09, 0x44, /* Usage (Barrel Switch), */ 0x09, 0x46, /* Usage (Tablet Pick), */ 0x81, 0x02, /* Input (Variable), */ 0x81, 0x03, /* Input (Constant, Variable), */ 0x95, 0x01, /* Report Count (1), */ 0x09, 0x32, /* Usage (In Range), */ 0x81, 0x02, /* Input (Variable), */ 0x81, 0x03, /* Input (Constant, Variable), */ 0x75, 0x10, /* Report Size (16), */ 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, 0x40, 0x1F, /* Physical Maximum (8000), */ 0x26, 0x00, 0x7D, /* Logical Maximum (32000), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ 0x46, 0x88, 0x13, /* Physical Maximum (5000), */ 0x26, 0x20, 0x4E, /* Logical Maximum (20000), */ 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 */ }; /* Fixed PID 0522 tablet report descriptor, interface 1 (mouse) */ static __u8 twhl850_rdesc_fixed1[] = { 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), */ 0x05, 0x09, /* Usage Page (Button), */ 0x75, 0x01, /* Report Size (1), */ 0x95, 0x03, /* Report Count (3), */ 0x19, 0x01, /* Usage Minimum (01h), */ 0x29, 0x03, /* Usage Maximum (03h), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x05, /* Report Count (5), */ 0x81, 0x03, /* Input (Constant, Variable), */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x09, 0x30, /* Usage (X), */ 0x09, 0x31, /* Usage (Y), */ 0x16, 0x00, 0x80, /* Logical Minimum (-32768), */ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x02, /* Report Count (2), */ 0x81, 0x06, /* Input (Variable, Relative), */ 0x09, 0x38, /* Usage (Wheel), */ 0x15, 0xFF, /* Logical Minimum (-1), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x01, /* Report Count (1), */ 0x75, 0x08, /* Report Size (8), */ 0x81, 0x06, /* Input (Variable, Relative), */ 0x81, 0x03, /* Input (Constant, Variable), */ 0xC0, /* End Collection, */ 0xC0 /* End Collection */ }; /* Fixed PID 0522 tablet report descriptor, interface 2 (frame buttons) */ static __u8 twhl850_rdesc_fixed2[] = { 0x05, 0x01, /* Usage Page (Desktop), */ 0x09, 0x06, /* Usage (Keyboard), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x03, /* Report ID (3), */ 0x05, 0x07, /* Usage Page (Keyboard), */ 0x14, /* Logical Minimum (0), */ 0x19, 0xE0, /* Usage Minimum (KB Leftcontrol), */ 0x29, 0xE7, /* Usage Maximum (KB Right GUI), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x75, 0x01, /* Report Size (1), */ 0x95, 0x08, /* Report Count (8), */ 0x81, 0x02, /* Input (Variable), */ 0x18, /* Usage Minimum (None), */ 0x29, 0xFF, /* Usage Maximum (FFh), */ 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ 0x75, 0x08, /* Report Size (8), */ 0x95, 0x06, /* Report Count (6), */ 0x80, /* Input, */ 0xC0 /* End Collection */ }; /* * See TWHA60 description, device and HID report descriptors at * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_TWHA60 */ /* Size of the original descriptors of TWHA60 tablet */ #define TWHA60_RDESC_ORIG_SIZE0 254 #define TWHA60_RDESC_ORIG_SIZE1 139 /* Fixed TWHA60 report descriptor, interface 0 (stylus) */ static __u8 twha60_rdesc_fixed0[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x09, /* Report ID (9), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x75, 0x01, /* Report Size (1), */ 0x09, 0x42, /* Usage (Tip Switch), */ 0x09, 0x44, /* Usage (Barrel Switch), */ 0x09, 0x46, /* Usage (Tablet Pick), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x04, /* Report Count (4), */ 0x81, 0x01, /* Input (Constant), */ 0x09, 0x32, /* Usage (In Range), */ 0x95, 0x01, /* Report Count (1), */ 0x81, 0x02, /* Input (Variable), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x01, /* Report Count (1), */ 0x14, /* Logical Minimum (0), */ 0xA4, /* Push, */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x55, 0xFD, /* Unit Exponent (-3), */ 0x65, 0x13, /* Unit (Inch), */ 0x34, /* Physical Minimum (0), */ 0x09, 0x30, /* Usage (X), */ 0x46, 0x10, 0x27, /* Physical Maximum (10000), */ 0x27, 0x3F, 0x9C, 0x00, 0x00, /* Logical Maximum (39999), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ 0x46, 0x6A, 0x18, /* Physical Maximum (6250), */ 0x26, 0xA7, 0x61, /* Logical Maximum (24999), */ 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 */ }; /* Fixed TWHA60 report descriptor, interface 1 (frame buttons) */ static __u8 twha60_rdesc_fixed1[] = { 0x05, 0x01, /* Usage Page (Desktop), */ 0x09, 0x06, /* Usage (Keyboard), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x05, /* Report ID (5), */ 0x05, 0x07, /* Usage Page (Keyboard), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x75, 0x01, /* Report Size (1), */ 0x95, 0x08, /* Report Count (8), */ 0x81, 0x01, /* Input (Constant), */ 0x95, 0x0C, /* Report Count (12), */ 0x19, 0x3A, /* Usage Minimum (KB F1), */ 0x29, 0x45, /* Usage Maximum (KB F12), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x0C, /* Report Count (12), */ 0x19, 0x68, /* Usage Minimum (KB F13), */ 0x29, 0x73, /* Usage Maximum (KB F24), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x08, /* Report Count (8), */ 0x81, 0x01, /* Input (Constant), */ 0xC0 /* End Collection */ }; /* Report descriptor template placeholder head */ #define UCLOGIC_PH_HEAD 0xFE, 0xED, 0x1D /* Report descriptor template placeholder IDs */ enum uclogic_ph_id { UCLOGIC_PH_ID_X_LM, UCLOGIC_PH_ID_X_PM, UCLOGIC_PH_ID_Y_LM, UCLOGIC_PH_ID_Y_PM, UCLOGIC_PH_ID_PRESSURE_LM, UCLOGIC_PH_ID_NUM }; /* Report descriptor template placeholder */ #define UCLOGIC_PH(_ID) UCLOGIC_PH_HEAD, UCLOGIC_PH_ID_##_ID #define UCLOGIC_PEN_REPORT_ID 0x07 /* Fixed report descriptor template */ static const __u8 uclogic_tablet_rdesc_template[] = { 0x05, 0x0D, /* Usage Page (Digitizer), */ 0x09, 0x02, /* Usage (Pen), */ 0xA1, 0x01, /* Collection (Application), */ 0x85, 0x07, /* Report ID (7), */ 0x09, 0x20, /* Usage (Stylus), */ 0xA0, /* Collection (Physical), */ 0x14, /* Logical Minimum (0), */ 0x25, 0x01, /* Logical Maximum (1), */ 0x75, 0x01, /* Report Size (1), */ 0x09, 0x42, /* Usage (Tip Switch), */ 0x09, 0x44, /* Usage (Barrel Switch), */ 0x09, 0x46, /* Usage (Tablet Pick), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x03, /* Report Count (3), */ 0x81, 0x03, /* Input (Constant, Variable), */ 0x09, 0x32, /* Usage (In Range), */ 0x95, 0x01, /* Report Count (1), */ 0x81, 0x02, /* Input (Variable), */ 0x95, 0x01, /* Report Count (1), */ 0x81, 0x03, /* Input (Constant, Variable), */ 0x75, 0x10, /* Report Size (16), */ 0x95, 0x01, /* Report Count (1), */ 0xA4, /* Push, */ 0x05, 0x01, /* Usage Page (Desktop), */ 0x65, 0x13, /* Unit (Inch), */ 0x55, 0xFD, /* Unit Exponent (-3), */ 0x34, /* Physical Minimum (0), */ 0x09, 0x30, /* Usage (X), */ 0x27, UCLOGIC_PH(X_LM), /* Logical Maximum (PLACEHOLDER), */ 0x47, UCLOGIC_PH(X_PM), /* Physical Maximum (PLACEHOLDER), */ 0x81, 0x02, /* Input (Variable), */ 0x09, 0x31, /* Usage (Y), */ 0x27, UCLOGIC_PH(Y_LM), /* Logical Maximum (PLACEHOLDER), */ 0x47, UCLOGIC_PH(Y_PM), /* Physical Maximum (PLACEHOLDER), */ 0x81, 0x02, /* Input (Variable), */ 0xB4, /* Pop, */ 0x09, 0x30, /* Usage (Tip Pressure), */ 0x27, UCLOGIC_PH(PRESSURE_LM),/* Logical Maximum (PLACEHOLDER), */ 0x81, 0x02, /* Input (Variable), */ 0xC0, /* End Collection, */ 0xC0 /* End Collection */ }; /* Parameter indices */ enum uclogic_prm { UCLOGIC_PRM_X_LM = 1, UCLOGIC_PRM_Y_LM = 2, UCLOGIC_PRM_PRESSURE_LM = 4, UCLOGIC_PRM_RESOLUTION = 5, UCLOGIC_PRM_NUM }; /* Driver data */ struct uclogic_drvdata { __u8 *rdesc; unsigned int rsize; bool invert_pen_inrange; bool ignore_pen_usage; }; static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { struct usb_interface *iface = to_usb_interface(hdev->dev.parent); __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber; struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); switch (hdev->product) { case USB_DEVICE_ID_UCLOGIC_TABLET_PF1209: if (*rsize == PF1209_RDESC_ORIG_SIZE) { rdesc = pf1209_rdesc_fixed; *rsize = sizeof(pf1209_rdesc_fixed); } break; case USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U: if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) { rdesc = wp4030u_rdesc_fixed; *rsize = sizeof(wp4030u_rdesc_fixed); } break; case USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U: if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) { rdesc = wp5540u_rdesc_fixed; *rsize = sizeof(wp5540u_rdesc_fixed); } break; case USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U: if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) { rdesc = wp8060u_rdesc_fixed; *rsize = sizeof(wp8060u_rdesc_fixed); } break; case USB_DEVICE_ID_UCLOGIC_TABLET_WP1062: if (*rsize == WP1062_RDESC_ORIG_SIZE) { rdesc = wp1062_rdesc_fixed; *rsize = sizeof(wp1062_rdesc_fixed); } break; case USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850: switch (iface_num) { case 0: if (*rsize == TWHL850_RDESC_ORIG_SIZE0) { rdesc = twhl850_rdesc_fixed0; *rsize = sizeof(twhl850_rdesc_fixed0); } break; case 1: if (*rsize == TWHL850_RDESC_ORIG_SIZE1) { rdesc = twhl850_rdesc_fixed1; *rsize = sizeof(twhl850_rdesc_fixed1); } break; case 2: if (*rsize == TWHL850_RDESC_ORIG_SIZE2) { rdesc = twhl850_rdesc_fixed2; *rsize = sizeof(twhl850_rdesc_fixed2); } break; } break; case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60: switch (iface_num) { case 0: if (*rsize == TWHA60_RDESC_ORIG_SIZE0) { rdesc = twha60_rdesc_fixed0; *rsize = sizeof(twha60_rdesc_fixed0); } break; case 1: if (*rsize == TWHA60_RDESC_ORIG_SIZE1) { rdesc = twha60_rdesc_fixed1; *rsize = sizeof(twha60_rdesc_fixed1); } break; } break; default: if (drvdata->rdesc != NULL) { rdesc = drvdata->rdesc; *rsize = drvdata->rsize; } } return rdesc; } static int uclogic_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); /* discard the unused pen interface */ if ((drvdata->ignore_pen_usage) && (field->application == HID_DG_PEN)) return -1; /* let hid-core decide what to do */ return 0; } static void uclogic_input_configured(struct hid_device *hdev, struct hid_input *hi) { char *name; const char *suffix = NULL; struct hid_field *field; size_t len; /* no report associated (HID_QUIRK_MULTI_INPUT not set) */ if (!hi->report) return; field = hi->report->field[0]; switch (field->application) { case HID_GD_KEYBOARD: suffix = "Keyboard"; break; case HID_GD_MOUSE: suffix = "Mouse"; break; case HID_GD_KEYPAD: suffix = "Pad"; break; case HID_DG_PEN: suffix = "Pen"; break; case HID_CP_CONSUMER_CONTROL: suffix = "Consumer Control"; break; case HID_GD_SYSTEM_CONTROL: suffix = "System Control"; break; } if (suffix) { len = strlen(hdev->name) + 2 + strlen(suffix); name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL); if (name) { snprintf(name, len, "%s %s", hdev->name, suffix); hi->input->name = name; } } } /** * Enable fully-functional tablet mode and determine device parameters. * * @hdev: HID device */ static int uclogic_tablet_enable(struct hid_device *hdev) { int rc; struct usb_device *usb_dev = hid_to_usb_dev(hdev); struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); __le16 *buf = NULL; size_t len; s32 params[UCLOGIC_PH_ID_NUM]; s32 resolution; __u8 *p; s32 v; /* * Read string descriptor containing tablet parameters. The specific * string descriptor and data were discovered by sniffing the Windows * driver traffic. * NOTE: This enables fully-functional tablet mode. */ len = UCLOGIC_PRM_NUM * sizeof(*buf); buf = kmalloc(len, GFP_KERNEL); if (buf == NULL) { hid_err(hdev, "failed to allocate parameter buffer\n"); rc = -ENOMEM; goto cleanup; } rc = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, (USB_DT_STRING << 8) + 0x64, 0x0409, buf, len, USB_CTRL_GET_TIMEOUT); if (rc == -EPIPE) { hid_err(hdev, "device parameters not found\n"); rc = -ENODEV; goto cleanup; } else if (rc < 0) { hid_err(hdev, "failed to get device parameters: %d\n", rc); rc = -ENODEV; goto cleanup; } else if (rc != len) { hid_err(hdev, "invalid device parameters\n"); rc = -ENODEV; goto cleanup; } /* Extract device parameters */ params[UCLOGIC_PH_ID_X_LM] = le16_to_cpu(buf[UCLOGIC_PRM_X_LM]); params[UCLOGIC_PH_ID_Y_LM] = le16_to_cpu(buf[UCLOGIC_PRM_Y_LM]); params[UCLOGIC_PH_ID_PRESSURE_LM] = le16_to_cpu(buf[UCLOGIC_PRM_PRESSURE_LM]); resolution = le16_to_cpu(buf[UCLOGIC_PRM_RESOLUTION]); if (resolution == 0) { params[UCLOGIC_PH_ID_X_PM] = 0; params[UCLOGIC_PH_ID_Y_PM] = 0; } else { params[UCLOGIC_PH_ID_X_PM] = params[UCLOGIC_PH_ID_X_LM] * 1000 / resolution; params[UCLOGIC_PH_ID_Y_PM] = params[UCLOGIC_PH_ID_Y_LM] * 1000 / resolution; } /* Allocate fixed report descriptor */ drvdata->rdesc = devm_kzalloc(&hdev->dev, sizeof(uclogic_tablet_rdesc_template), GFP_KERNEL); if (drvdata->rdesc == NULL) { hid_err(hdev, "failed to allocate fixed rdesc\n"); rc = -ENOMEM; goto cleanup; } drvdata->rsize = sizeof(uclogic_tablet_rdesc_template); /* Format fixed report descriptor */ memcpy(drvdata->rdesc, uclogic_tablet_rdesc_template, drvdata->rsize); for (p = drvdata->rdesc; p <= drvdata->rdesc + drvdata->rsize - 4;) { if (p[0] == 0xFE && p[1] == 0xED && p[2] == 0x1D && p[3] < sizeof(params)) { v = params[p[3]]; put_unaligned(cpu_to_le32(v), (s32 *)p); p += 4; } else { p++; } } rc = 0; cleanup: kfree(buf); return rc; } static int uclogic_probe(struct hid_device *hdev, const struct hid_device_id *id) { int rc; struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct uclogic_drvdata *drvdata; /* * libinput requires the pad interface to be on a different node * than the pen, so use QUIRK_MULTI_INPUT for all tablets. */ hdev->quirks |= HID_QUIRK_MULTI_INPUT; hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT; /* Allocate and assign driver data */ drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); if (drvdata == NULL) return -ENOMEM; hid_set_drvdata(hdev, drvdata); switch (id->product) { case USB_DEVICE_ID_HUION_TABLET: /* If this is the pen interface */ if (intf->cur_altsetting->desc.bInterfaceNumber == 0) { rc = uclogic_tablet_enable(hdev); if (rc) { hid_err(hdev, "tablet enabling failed\n"); return rc; } drvdata->invert_pen_inrange = true; } else { drvdata->ignore_pen_usage = true; } break; } rc = hid_parse(hdev); if (rc) { hid_err(hdev, "parse failed\n"); return rc; } rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (rc) { hid_err(hdev, "hw start failed\n"); return rc; } return 0; } static int uclogic_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) { struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); if ((drvdata->invert_pen_inrange) && (report->type == HID_INPUT_REPORT) && (report->id == UCLOGIC_PEN_REPORT_ID) && (size >= 2)) /* Invert the in-range bit */ data[1] ^= 0x40; return 0; } static const struct hid_device_id uclogic_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) }, { } }; MODULE_DEVICE_TABLE(hid, uclogic_devices); static struct hid_driver uclogic_driver = { .name = "uclogic", .id_table = uclogic_devices, .probe = uclogic_probe, .report_fixup = uclogic_report_fixup, .raw_event = uclogic_raw_event, .input_mapping = uclogic_input_mapping, .input_configured = uclogic_input_configured, }; module_hid_driver(uclogic_driver); MODULE_AUTHOR("Martin Rusko"); MODULE_AUTHOR("Nikolai Kondrashov"); MODULE_LICENSE("GPL");