|  | /* | 
|  | *  HID driver for Kye/Genius devices not fully compliant with HID standard | 
|  | * | 
|  | *  Copyright (c) 2009 Jiri Kosina | 
|  | *  Copyright (c) 2009 Tomas Hanak | 
|  | *  Copyright (c) 2012 Nikolai Kondrashov | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * 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 <linux/device.h> | 
|  | #include <linux/hid.h> | 
|  | #include <linux/module.h> | 
|  |  | 
|  | #include "hid-ids.h" | 
|  |  | 
|  | /* Original EasyPen i405X report descriptor size */ | 
|  | #define EASYPEN_I405X_RDESC_ORIG_SIZE	476 | 
|  |  | 
|  | /* Fixed EasyPen i405X report descriptor */ | 
|  | static __u8 easypen_i405x_rdesc_fixed[] = { | 
|  | 0x06, 0x00, 0xFF, /*  Usage Page (FF00h),             */ | 
|  | 0x09, 0x01,       /*  Usage (01h),                    */ | 
|  | 0xA1, 0x01,       /*  Collection (Application),       */ | 
|  | 0x85, 0x05,       /*    Report ID (5),                */ | 
|  | 0x09, 0x01,       /*    Usage (01h),                  */ | 
|  | 0x15, 0x80,       /*    Logical Minimum (-128),       */ | 
|  | 0x25, 0x7F,       /*    Logical Maximum (127),        */ | 
|  | 0x75, 0x08,       /*    Report Size (8),              */ | 
|  | 0x95, 0x07,       /*    Report Count (7),             */ | 
|  | 0xB1, 0x02,       /*    Feature (Variable),           */ | 
|  | 0xC0,             /*  End Collection,                 */ | 
|  | 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),        */ | 
|  | 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, 0x04,       /*      Report Count (4),           */ | 
|  | 0x81, 0x03,       /*      Input (Constant, Variable), */ | 
|  | 0x09, 0x32,       /*      Usage (In Range),           */ | 
|  | 0x95, 0x01,       /*      Report Count (1),           */ | 
|  | 0x81, 0x02,       /*      Input (Variable),           */ | 
|  | 0x75, 0x10,       /*      Report Size (16),           */ | 
|  | 0x95, 0x01,       /*      Report Count (1),           */ | 
|  | 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, 0x00, 0x37, /*      Logical Maximum (14080),    */ | 
|  | 0x81, 0x02,       /*      Input (Variable),           */ | 
|  | 0x09, 0x31,       /*      Usage (Y),                  */ | 
|  | 0x46, 0xA0, 0x0F, /*      Physical Maximum (4000),    */ | 
|  | 0x26, 0x00, 0x28, /*      Logical Maximum (10240),    */ | 
|  | 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                  */ | 
|  | }; | 
|  |  | 
|  | /* Original MousePen i608X report descriptor size */ | 
|  | #define MOUSEPEN_I608X_RDESC_ORIG_SIZE	476 | 
|  |  | 
|  | /* Fixed MousePen i608X report descriptor */ | 
|  | static __u8 mousepen_i608x_rdesc_fixed[] = { | 
|  | 0x06, 0x00, 0xFF, /*  Usage Page (FF00h),             */ | 
|  | 0x09, 0x01,       /*  Usage (01h),                    */ | 
|  | 0xA1, 0x01,       /*  Collection (Application),       */ | 
|  | 0x85, 0x05,       /*    Report ID (5),                */ | 
|  | 0x09, 0x01,       /*    Usage (01h),                  */ | 
|  | 0x15, 0x80,       /*    Logical Minimum (-128),       */ | 
|  | 0x25, 0x7F,       /*    Logical Maximum (127),        */ | 
|  | 0x75, 0x08,       /*    Report Size (8),              */ | 
|  | 0x95, 0x07,       /*    Report Count (7),             */ | 
|  | 0xB1, 0x02,       /*    Feature (Variable),           */ | 
|  | 0xC0,             /*  End Collection,                 */ | 
|  | 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),        */ | 
|  | 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, 0x04,       /*      Report Count (4),           */ | 
|  | 0x81, 0x03,       /*      Input (Constant, Variable), */ | 
|  | 0x09, 0x32,       /*      Usage (In Range),           */ | 
|  | 0x95, 0x01,       /*      Report Count (1),           */ | 
|  | 0x81, 0x02,       /*      Input (Variable),           */ | 
|  | 0x75, 0x10,       /*      Report Size (16),           */ | 
|  | 0x95, 0x01,       /*      Report Count (1),           */ | 
|  | 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, 0x00, 0x50, /*      Logical Maximum (20480),    */ | 
|  | 0x81, 0x02,       /*      Input (Variable),           */ | 
|  | 0x09, 0x31,       /*      Usage (Y),                  */ | 
|  | 0x46, 0x70, 0x17, /*      Physical Maximum (6000),    */ | 
|  | 0x26, 0x00, 0x3C, /*      Logical Maximum (15360),    */ | 
|  | 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, 0x11,       /*    Report ID (17),               */ | 
|  | 0x09, 0x01,       /*    Usage (Pointer),              */ | 
|  | 0xA0,             /*    Collection (Physical),        */ | 
|  | 0x14,             /*      Logical Minimum (0),        */ | 
|  | 0xA4,             /*      Push,                       */ | 
|  | 0x05, 0x09,       /*      Usage Page (Button),        */ | 
|  | 0x75, 0x01,       /*      Report Size (1),            */ | 
|  | 0x19, 0x01,       /*      Usage Minimum (01h),        */ | 
|  | 0x29, 0x03,       /*      Usage Maximum (03h),        */ | 
|  | 0x25, 0x01,       /*      Logical Maximum (1),        */ | 
|  | 0x95, 0x03,       /*      Report Count (3),           */ | 
|  | 0x81, 0x02,       /*      Input (Variable),           */ | 
|  | 0x95, 0x05,       /*      Report Count (5),           */ | 
|  | 0x81, 0x01,       /*      Input (Constant),           */ | 
|  | 0xB4,             /*      Pop,                        */ | 
|  | 0x95, 0x01,       /*      Report Count (1),           */ | 
|  | 0xA4,             /*      Push,                       */ | 
|  | 0x55, 0xFD,       /*      Unit Exponent (-3),         */ | 
|  | 0x65, 0x13,       /*      Unit (Inch),                */ | 
|  | 0x34,             /*      Physical Minimum (0),       */ | 
|  | 0x75, 0x10,       /*      Report Size (16),           */ | 
|  | 0x09, 0x30,       /*      Usage (X),                  */ | 
|  | 0x46, 0x40, 0x1F, /*      Physical Maximum (8000),    */ | 
|  | 0x26, 0x00, 0x50, /*      Logical Maximum (20480),    */ | 
|  | 0x81, 0x02,       /*      Input (Variable),           */ | 
|  | 0x09, 0x31,       /*      Usage (Y),                  */ | 
|  | 0x46, 0x70, 0x17, /*      Physical Maximum (6000),    */ | 
|  | 0x26, 0x00, 0x3C, /*      Logical Maximum (15360),    */ | 
|  | 0x81, 0x02,       /*      Input (Variable),           */ | 
|  | 0xB4,             /*      Pop,                        */ | 
|  | 0x75, 0x08,       /*      Report Size (8),            */ | 
|  | 0x09, 0x38,       /*      Usage (Wheel),              */ | 
|  | 0x15, 0xFF,       /*      Logical Minimum (-1),       */ | 
|  | 0x25, 0x01,       /*      Logical Maximum (1),        */ | 
|  | 0x81, 0x06,       /*      Input (Variable, Relative), */ | 
|  | 0x81, 0x01,       /*      Input (Constant),           */ | 
|  | 0xC0,             /*    End Collection,               */ | 
|  | 0xC0              /*  End Collection                  */ | 
|  | }; | 
|  |  | 
|  | /* Original MousePen i608X v2 report descriptor size */ | 
|  | #define MOUSEPEN_I608X_V2_RDESC_ORIG_SIZE	482 | 
|  |  | 
|  | /* Fixed MousePen i608X v2 report descriptor */ | 
|  | static __u8 mousepen_i608x_v2_rdesc_fixed[] = { | 
|  | 0x06, 0x00, 0xFF,             /*  Usage Page (FF00h),             */ | 
|  | 0x09, 0x01,                   /*  Usage (01h),                    */ | 
|  | 0xA1, 0x01,                   /*  Collection (Application),       */ | 
|  | 0x85, 0x05,                   /*    Report ID (5),                */ | 
|  | 0x09, 0x01,                   /*    Usage (01h),                  */ | 
|  | 0x15, 0x80,                   /*    Logical Minimum (-128),       */ | 
|  | 0x25, 0x7F,                   /*    Logical Maximum (127),        */ | 
|  | 0x75, 0x08,                   /*    Report Size (8),              */ | 
|  | 0x95, 0x07,                   /*    Report Count (7),             */ | 
|  | 0xB1, 0x02,                   /*    Feature (Variable),           */ | 
|  | 0xC0,                         /*  End Collection,                 */ | 
|  | 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),        */ | 
|  | 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, 0x04,                   /*      Report Count (4),           */ | 
|  | 0x81, 0x03,                   /*      Input (Constant, Variable), */ | 
|  | 0x09, 0x32,                   /*      Usage (In Range),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x75, 0x10,                   /*      Report Size (16),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 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),    */ | 
|  | 0x27, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x09, 0x31,                   /*      Usage (Y),                  */ | 
|  | 0x46, 0x70, 0x17,             /*      Physical Maximum (6000),    */ | 
|  | 0x26, 0x00, 0x78,             /*      Logical Maximum (30720),    */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xB4,                         /*      Pop,                        */ | 
|  | 0x09, 0x30,                   /*      Usage (Tip Pressure),       */ | 
|  | 0x26, 0xFF, 0x07,             /*      Logical Maximum (2047),     */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xC0,                         /*    End Collection,               */ | 
|  | 0xC0,                         /*  End Collection,                 */ | 
|  | 0x05, 0x01,                   /*  Usage Page (Desktop),           */ | 
|  | 0x09, 0x02,                   /*  Usage (Mouse),                  */ | 
|  | 0xA1, 0x01,                   /*  Collection (Application),       */ | 
|  | 0x85, 0x11,                   /*    Report ID (17),               */ | 
|  | 0x09, 0x01,                   /*    Usage (Pointer),              */ | 
|  | 0xA0,                         /*    Collection (Physical),        */ | 
|  | 0x14,                         /*      Logical Minimum (0),        */ | 
|  | 0xA4,                         /*      Push,                       */ | 
|  | 0x05, 0x09,                   /*      Usage Page (Button),        */ | 
|  | 0x75, 0x01,                   /*      Report Size (1),            */ | 
|  | 0x19, 0x01,                   /*      Usage Minimum (01h),        */ | 
|  | 0x29, 0x03,                   /*      Usage Maximum (03h),        */ | 
|  | 0x25, 0x01,                   /*      Logical Maximum (1),        */ | 
|  | 0x95, 0x03,                   /*      Report Count (3),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x95, 0x05,                   /*      Report Count (5),           */ | 
|  | 0x81, 0x01,                   /*      Input (Constant),           */ | 
|  | 0xB4,                         /*      Pop,                        */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0xA4,                         /*      Push,                       */ | 
|  | 0x55, 0xFD,                   /*      Unit Exponent (-3),         */ | 
|  | 0x65, 0x13,                   /*      Unit (Inch),                */ | 
|  | 0x34,                         /*      Physical Minimum (0),       */ | 
|  | 0x75, 0x10,                   /*      Report Size (16),           */ | 
|  | 0x09, 0x30,                   /*      Usage (X),                  */ | 
|  | 0x46, 0x40, 0x1F,             /*      Physical Maximum (8000),    */ | 
|  | 0x27, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x09, 0x31,                   /*      Usage (Y),                  */ | 
|  | 0x46, 0x70, 0x17,             /*      Physical Maximum (6000),    */ | 
|  | 0x26, 0x00, 0x78,             /*      Logical Maximum (30720),    */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xB4,                         /*      Pop,                        */ | 
|  | 0x75, 0x08,                   /*      Report Size (8),            */ | 
|  | 0x09, 0x38,                   /*      Usage (Wheel),              */ | 
|  | 0x15, 0xFF,                   /*      Logical Minimum (-1),       */ | 
|  | 0x25, 0x01,                   /*      Logical Maximum (1),        */ | 
|  | 0x81, 0x06,                   /*      Input (Variable, Relative), */ | 
|  | 0x81, 0x01,                   /*      Input (Constant),           */ | 
|  | 0xC0,                         /*    End Collection,               */ | 
|  | 0xC0                          /*  End Collection                  */ | 
|  | }; | 
|  |  | 
|  | /* Original EasyPen M610X report descriptor size */ | 
|  | #define EASYPEN_M610X_RDESC_ORIG_SIZE	476 | 
|  |  | 
|  | /* Fixed EasyPen M610X report descriptor */ | 
|  | static __u8 easypen_m610x_rdesc_fixed[] = { | 
|  | 0x06, 0x00, 0xFF,             /*  Usage Page (FF00h),             */ | 
|  | 0x09, 0x01,                   /*  Usage (01h),                    */ | 
|  | 0xA1, 0x01,                   /*  Collection (Application),       */ | 
|  | 0x85, 0x05,                   /*    Report ID (5),                */ | 
|  | 0x09, 0x01,                   /*    Usage (01h),                  */ | 
|  | 0x15, 0x80,                   /*    Logical Minimum (-128),       */ | 
|  | 0x25, 0x7F,                   /*    Logical Maximum (127),        */ | 
|  | 0x75, 0x08,                   /*    Report Size (8),              */ | 
|  | 0x95, 0x07,                   /*    Report Count (7),             */ | 
|  | 0xB1, 0x02,                   /*    Feature (Variable),           */ | 
|  | 0xC0,                         /*  End Collection,                 */ | 
|  | 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),        */ | 
|  | 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, 0x04,                   /*      Report Count (4),           */ | 
|  | 0x81, 0x03,                   /*      Input (Constant, Variable), */ | 
|  | 0x09, 0x32,                   /*      Usage (In Range),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x75, 0x10,                   /*      Report Size (16),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 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, 0x00, 0xA0, 0x00, 0x00, /*      Logical Maximum (40960),    */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x09, 0x31,                   /*      Usage (Y),                  */ | 
|  | 0x46, 0x6A, 0x18,             /*      Physical Maximum (6250),    */ | 
|  | 0x26, 0x00, 0x64,             /*      Logical Maximum (25600),    */ | 
|  | 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, 0x0C,                   /*  Usage Page (Consumer),          */ | 
|  | 0x09, 0x01,                   /*  Usage (Consumer Control),       */ | 
|  | 0xA1, 0x01,                   /*  Collection (Application),       */ | 
|  | 0x85, 0x12,                   /*    Report ID (18),               */ | 
|  | 0x14,                         /*    Logical Minimum (0),          */ | 
|  | 0x25, 0x01,                   /*    Logical Maximum (1),          */ | 
|  | 0x75, 0x01,                   /*    Report Size (1),              */ | 
|  | 0x95, 0x04,                   /*    Report Count (4),             */ | 
|  | 0x0A, 0x1A, 0x02,             /*    Usage (AC Undo),              */ | 
|  | 0x0A, 0x79, 0x02,             /*    Usage (AC Redo Or Repeat),    */ | 
|  | 0x0A, 0x2D, 0x02,             /*    Usage (AC Zoom In),           */ | 
|  | 0x0A, 0x2E, 0x02,             /*    Usage (AC Zoom Out),          */ | 
|  | 0x81, 0x02,                   /*    Input (Variable),             */ | 
|  | 0x95, 0x01,                   /*    Report Count (1),             */ | 
|  | 0x75, 0x14,                   /*    Report Size (20),             */ | 
|  | 0x81, 0x03,                   /*    Input (Constant, Variable),   */ | 
|  | 0x75, 0x20,                   /*    Report Size (32),             */ | 
|  | 0x81, 0x03,                   /*    Input (Constant, Variable),   */ | 
|  | 0xC0                          /*  End Collection                  */ | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* Original PenSketch M912 report descriptor size */ | 
|  | #define PENSKETCH_M912_RDESC_ORIG_SIZE	482 | 
|  |  | 
|  | /* Fixed PenSketch M912 report descriptor */ | 
|  | static __u8 pensketch_m912_rdesc_fixed[] = { | 
|  | 0x05, 0x01,                   /*  Usage Page (Desktop),           */ | 
|  | 0x08,                         /*  Usage (00h),                    */ | 
|  | 0xA1, 0x01,                   /*  Collection (Application),       */ | 
|  | 0x85, 0x05,                   /*    Report ID (5),                */ | 
|  | 0x06, 0x00, 0xFF,             /*    Usage Page (FF00h),           */ | 
|  | 0x09, 0x01,                   /*    Usage (01h),                  */ | 
|  | 0x15, 0x81,                   /*    Logical Minimum (-127),       */ | 
|  | 0x25, 0x7F,                   /*    Logical Maximum (127),        */ | 
|  | 0x75, 0x08,                   /*    Report Size (8),              */ | 
|  | 0x95, 0x07,                   /*    Report Count (7),             */ | 
|  | 0xB1, 0x02,                   /*    Feature (Variable),           */ | 
|  | 0xC0,                         /*  End Collection,                 */ | 
|  | 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),        */ | 
|  | 0x14,                         /*      Logical Minimum (0),        */ | 
|  | 0x25, 0x01,                   /*      Logical Maximum (1),        */ | 
|  | 0x75, 0x01,                   /*      Report Size (1),            */ | 
|  | 0x95, 0x03,                   /*      Report Count (3),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x95, 0x04,                   /*      Report Count (4),           */ | 
|  | 0x81, 0x03,                   /*      Input (Constant, Variable), */ | 
|  | 0x09, 0x32,                   /*      Usage (In Range),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x75, 0x10,                   /*      Report Size (16),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0xA4,                         /*      Push,                       */ | 
|  | 0x05, 0x01,                   /*      Usage Page (Desktop),       */ | 
|  | 0x55, 0xFD,                   /*      Unit Exponent (-3),         */ | 
|  | 0x65, 0x13,                   /*      Unit (Inch),                */ | 
|  | 0x14,                         /*      Logical Minimum (0),        */ | 
|  | 0x34,                         /*      Physical Minimum (0),       */ | 
|  | 0x09, 0x30,                   /*      Usage (X),                  */ | 
|  | 0x27, 0x00, 0xF0, 0x00, 0x00, /*      Logical Maximum (61440),    */ | 
|  | 0x46, 0xE0, 0x2E,             /*      Physical Maximum (12000),   */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x09, 0x31,                   /*      Usage (Y),                  */ | 
|  | 0x27, 0x00, 0xB4, 0x00, 0x00, /*      Logical Maximum (46080),    */ | 
|  | 0x46, 0x28, 0x23,             /*      Physical Maximum (9000),    */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xB4,                         /*      Pop,                        */ | 
|  | 0x09, 0x30,                   /*      Usage (Tip Pressure),       */ | 
|  | 0x14,                         /*      Logical Minimum (0),        */ | 
|  | 0x26, 0xFF, 0x07,             /*      Logical Maximum (2047),     */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xC0,                         /*    End Collection,               */ | 
|  | 0xC0,                         /*  End Collection,                 */ | 
|  | 0x05, 0x0D,                   /*  Usage Page (Digitizer),         */ | 
|  | 0x09, 0x21,                   /*  Usage (Puck),                   */ | 
|  | 0xA1, 0x01,                   /*  Collection (Application),       */ | 
|  | 0x85, 0x11,                   /*    Report ID (17),               */ | 
|  | 0x09, 0x21,                   /*    Usage (Puck),                 */ | 
|  | 0xA0,                         /*    Collection (Physical),        */ | 
|  | 0x05, 0x09,                   /*      Usage Page (Button),        */ | 
|  | 0x75, 0x01,                   /*      Report Size (1),            */ | 
|  | 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, 0x04,                   /*      Report Count (4),           */ | 
|  | 0x81, 0x01,                   /*      Input (Constant),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x0B, 0x32, 0x00, 0x0D, 0x00, /*      Usage (Digitizer In Range), */ | 
|  | 0x14,                         /*      Logical Minimum (0),        */ | 
|  | 0x25, 0x01,                   /*      Logical Maximum (1),        */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xA4,                         /*      Push,                       */ | 
|  | 0x05, 0x01,                   /*      Usage Page (Desktop),       */ | 
|  | 0x75, 0x10,                   /*      Report Size (16),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x55, 0xFD,                   /*      Unit Exponent (-3),         */ | 
|  | 0x65, 0x13,                   /*      Unit (Inch),                */ | 
|  | 0x14,                         /*      Logical Minimum (0),        */ | 
|  | 0x34,                         /*      Physical Minimum (0),       */ | 
|  | 0x09, 0x30,                   /*      Usage (X),                  */ | 
|  | 0x27, 0x00, 0xF0, 0x00, 0x00, /*      Logical Maximum (61440),    */ | 
|  | 0x46, 0xE0, 0x2E,             /*      Physical Maximum (12000),   */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x09, 0x31,                   /*      Usage (Y),                  */ | 
|  | 0x27, 0x00, 0xB4, 0x00, 0x00, /*      Logical Maximum (46080),    */ | 
|  | 0x46, 0x28, 0x23,             /*      Physical Maximum (9000),    */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x09, 0x38,                   /*      Usage (Wheel),              */ | 
|  | 0x75, 0x08,                   /*      Report Size (8),            */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x15, 0xFF,                   /*      Logical Minimum (-1),       */ | 
|  | 0x25, 0x01,                   /*      Logical Maximum (1),        */ | 
|  | 0x34,                         /*      Physical Minimum (0),       */ | 
|  | 0x44,                         /*      Physical Maximum (0),       */ | 
|  | 0x81, 0x06,                   /*      Input (Variable, Relative), */ | 
|  | 0xB4,                         /*      Pop,                        */ | 
|  | 0xC0,                         /*    End Collection,               */ | 
|  | 0xC0,                         /*  End Collection,                 */ | 
|  | 0x05, 0x0C,                   /*  Usage Page (Consumer),          */ | 
|  | 0x09, 0x01,                   /*  Usage (Consumer Control),       */ | 
|  | 0xA1, 0x01,                   /*  Collection (Application),       */ | 
|  | 0x85, 0x12,                   /*    Report ID (18),               */ | 
|  | 0x14,                         /*    Logical Minimum (0),          */ | 
|  | 0x25, 0x01,                   /*    Logical Maximum (1),          */ | 
|  | 0x75, 0x01,                   /*    Report Size (1),              */ | 
|  | 0x95, 0x08,                   /*    Report Count (8),             */ | 
|  | 0x05, 0x0C,                   /*    Usage Page (Consumer),        */ | 
|  | 0x0A, 0x6A, 0x02,             /*    Usage (AC Delete),            */ | 
|  | 0x0A, 0x1A, 0x02,             /*    Usage (AC Undo),              */ | 
|  | 0x0A, 0x01, 0x02,             /*    Usage (AC New),               */ | 
|  | 0x0A, 0x2F, 0x02,             /*    Usage (AC Zoom),              */ | 
|  | 0x0A, 0x25, 0x02,             /*    Usage (AC Forward),           */ | 
|  | 0x0A, 0x24, 0x02,             /*    Usage (AC Back),              */ | 
|  | 0x0A, 0x2D, 0x02,             /*    Usage (AC Zoom In),           */ | 
|  | 0x0A, 0x2E, 0x02,             /*    Usage (AC Zoom Out),          */ | 
|  | 0x81, 0x02,                   /*    Input (Variable),             */ | 
|  | 0x95, 0x30,                   /*    Report Count (48),            */ | 
|  | 0x81, 0x03,                   /*    Input (Constant, Variable),   */ | 
|  | 0xC0                          /*  End Collection                  */ | 
|  | }; | 
|  |  | 
|  | static __u8 *kye_consumer_control_fixup(struct hid_device *hdev, __u8 *rdesc, | 
|  | unsigned int *rsize, int offset, const char *device_name) { | 
|  | /* | 
|  | * the fixup that need to be done: | 
|  | *   - change Usage Maximum in the Consumer Control | 
|  | *     (report ID 3) to a reasonable value | 
|  | */ | 
|  | if (*rsize >= offset + 31 && | 
|  | /* Usage Page (Consumer Devices) */ | 
|  | rdesc[offset] == 0x05 && rdesc[offset + 1] == 0x0c && | 
|  | /* Usage (Consumer Control) */ | 
|  | rdesc[offset + 2] == 0x09 && rdesc[offset + 3] == 0x01 && | 
|  | /*   Usage Maximum > 12287 */ | 
|  | rdesc[offset + 10] == 0x2a && rdesc[offset + 12] > 0x2f) { | 
|  | hid_info(hdev, "fixing up %s report descriptor\n", device_name); | 
|  | rdesc[offset + 12] = 0x2f; | 
|  | } | 
|  | return rdesc; | 
|  | } | 
|  |  | 
|  | static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, | 
|  | unsigned int *rsize) | 
|  | { | 
|  | switch (hdev->product) { | 
|  | case USB_DEVICE_ID_KYE_ERGO_525V: | 
|  | /* the fixups that need to be done: | 
|  | *   - change led usage page to button for extra buttons | 
|  | *   - report size 8 count 1 must be size 1 count 8 for button | 
|  | *     bitfield | 
|  | *   - change the button usage range to 4-7 for the extra | 
|  | *     buttons | 
|  | */ | 
|  | if (*rsize >= 75 && | 
|  | rdesc[61] == 0x05 && rdesc[62] == 0x08 && | 
|  | rdesc[63] == 0x19 && rdesc[64] == 0x08 && | 
|  | rdesc[65] == 0x29 && rdesc[66] == 0x0f && | 
|  | rdesc[71] == 0x75 && rdesc[72] == 0x08 && | 
|  | rdesc[73] == 0x95 && rdesc[74] == 0x01) { | 
|  | hid_info(hdev, | 
|  | "fixing up Kye/Genius Ergo Mouse " | 
|  | "report descriptor\n"); | 
|  | rdesc[62] = 0x09; | 
|  | rdesc[64] = 0x04; | 
|  | rdesc[66] = 0x07; | 
|  | rdesc[72] = 0x01; | 
|  | rdesc[74] = 0x08; | 
|  | } | 
|  | break; | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_I405X: | 
|  | if (*rsize == EASYPEN_I405X_RDESC_ORIG_SIZE) { | 
|  | rdesc = easypen_i405x_rdesc_fixed; | 
|  | *rsize = sizeof(easypen_i405x_rdesc_fixed); | 
|  | } | 
|  | break; | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_I608X: | 
|  | if (*rsize == MOUSEPEN_I608X_RDESC_ORIG_SIZE) { | 
|  | rdesc = mousepen_i608x_rdesc_fixed; | 
|  | *rsize = sizeof(mousepen_i608x_rdesc_fixed); | 
|  | } | 
|  | break; | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2: | 
|  | if (*rsize == MOUSEPEN_I608X_V2_RDESC_ORIG_SIZE) { | 
|  | rdesc = mousepen_i608x_v2_rdesc_fixed; | 
|  | *rsize = sizeof(mousepen_i608x_v2_rdesc_fixed); | 
|  | } | 
|  | break; | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M610X: | 
|  | if (*rsize == EASYPEN_M610X_RDESC_ORIG_SIZE) { | 
|  | rdesc = easypen_m610x_rdesc_fixed; | 
|  | *rsize = sizeof(easypen_m610x_rdesc_fixed); | 
|  | } | 
|  | break; | 
|  | case USB_DEVICE_ID_KYE_PENSKETCH_M912: | 
|  | if (*rsize == PENSKETCH_M912_RDESC_ORIG_SIZE) { | 
|  | rdesc = pensketch_m912_rdesc_fixed; | 
|  | *rsize = sizeof(pensketch_m912_rdesc_fixed); | 
|  | } | 
|  | break; | 
|  | case USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE: | 
|  | rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104, | 
|  | "Genius Gila Gaming Mouse"); | 
|  | break; | 
|  | case USB_DEVICE_ID_GENIUS_GX_IMPERATOR: | 
|  | rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 83, | 
|  | "Genius Gx Imperator Keyboard"); | 
|  | break; | 
|  | case USB_DEVICE_ID_GENIUS_MANTICORE: | 
|  | rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104, | 
|  | "Genius Manticore Keyboard"); | 
|  | break; | 
|  | } | 
|  | return rdesc; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Enable fully-functional tablet mode by setting a special feature report. | 
|  | * | 
|  | * @hdev:	HID device | 
|  | * | 
|  | * The specific report ID and data were discovered by sniffing the | 
|  | * Windows driver traffic. | 
|  | */ | 
|  | static int kye_tablet_enable(struct hid_device *hdev) | 
|  | { | 
|  | struct list_head *list; | 
|  | struct list_head *head; | 
|  | struct hid_report *report; | 
|  | __s32 *value; | 
|  |  | 
|  | list = &hdev->report_enum[HID_FEATURE_REPORT].report_list; | 
|  | list_for_each(head, list) { | 
|  | report = list_entry(head, struct hid_report, list); | 
|  | if (report->id == 5) | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (head == list) { | 
|  | hid_err(hdev, "tablet-enabling feature report not found\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | if (report->maxfield < 1 || report->field[0]->report_count < 7) { | 
|  | hid_err(hdev, "invalid tablet-enabling feature report\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | value = report->field[0]->value; | 
|  |  | 
|  | value[0] = 0x12; | 
|  | value[1] = 0x10; | 
|  | value[2] = 0x11; | 
|  | value[3] = 0x12; | 
|  | value[4] = 0x00; | 
|  | value[5] = 0x00; | 
|  | value[6] = 0x00; | 
|  | hid_hw_request(hdev, report, HID_REQ_SET_REPORT); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | ret = hid_parse(hdev); | 
|  | if (ret) { | 
|  | hid_err(hdev, "parse failed\n"); | 
|  | goto err; | 
|  | } | 
|  |  | 
|  | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | 
|  | if (ret) { | 
|  | hid_err(hdev, "hw start failed\n"); | 
|  | goto err; | 
|  | } | 
|  |  | 
|  | switch (id->product) { | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_I405X: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_I608X: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M610X: | 
|  | case USB_DEVICE_ID_KYE_PENSKETCH_M912: | 
|  | ret = kye_tablet_enable(hdev); | 
|  | if (ret) { | 
|  | hid_err(hdev, "tablet enabling failed\n"); | 
|  | goto enabling_err; | 
|  | } | 
|  | break; | 
|  | case USB_DEVICE_ID_GENIUS_MANTICORE: | 
|  | /* | 
|  | * The manticore keyboard needs to have all the interfaces | 
|  | * opened at least once to be fully functional. | 
|  | */ | 
|  | if (hid_hw_open(hdev)) | 
|  | hid_hw_close(hdev); | 
|  | break; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | enabling_err: | 
|  | hid_hw_stop(hdev); | 
|  | err: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static const struct hid_device_id kye_devices[] = { | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_EASYPEN_I405X) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_EASYPEN_M610X) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_GENIUS_MANTICORE) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_PENSKETCH_M912) }, | 
|  | { } | 
|  | }; | 
|  | MODULE_DEVICE_TABLE(hid, kye_devices); | 
|  |  | 
|  | static struct hid_driver kye_driver = { | 
|  | .name = "kye", | 
|  | .id_table = kye_devices, | 
|  | .probe = kye_probe, | 
|  | .report_fixup = kye_report_fixup, | 
|  | }; | 
|  | module_hid_driver(kye_driver); | 
|  |  | 
|  | MODULE_LICENSE("GPL"); |