|  | // SPDX-License-Identifier: GPL-2.0-or-later | 
|  | /* | 
|  | *  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 | 
|  | *  Copyright (c) 2023 David Yang | 
|  | */ | 
|  |  | 
|  | #include <linux/unaligned.h> | 
|  | #include <linux/device.h> | 
|  | #include <linux/hid.h> | 
|  | #include <linux/module.h> | 
|  |  | 
|  | #include "hid-ids.h" | 
|  |  | 
|  | /* Data gathered from Database/VID0458_PID????/Vista/TBoard/default.xml in ioTablet driver | 
|  | * | 
|  | * TODO: | 
|  | *   - Add battery and sleep support for EasyPen M406W and MousePen M508WX | 
|  | *   - Investigate ScrollZ.MiceFMT buttons of EasyPen M406 | 
|  | */ | 
|  |  | 
|  | static const __u8 easypen_m406_control_rdesc[] = { | 
|  | 0x05, 0x0C,        /*  Usage Page (Consumer),    */ | 
|  | 0x09, 0x01,        /*  Usage (Consumer Control), */ | 
|  | 0xA1, 0x01,        /*  Collection (Application), */ | 
|  | 0x85, 0x12,        /*    Report ID (18),         */ | 
|  | 0x0A, 0x45, 0x02,  /*    Usage (AC Rotate),      */ | 
|  | 0x09, 0x40,        /*    Usage (Menu),           */ | 
|  | 0x0A, 0x2F, 0x02,  /*    Usage (AC Zoom),        */ | 
|  | 0x0A, 0x46, 0x02,  /*    Usage (AC Resize),      */ | 
|  | 0x0A, 0x1A, 0x02,  /*    Usage (AC Undo),        */ | 
|  | 0x0A, 0x6A, 0x02,  /*    Usage (AC Delete),      */ | 
|  | 0x0A, 0x24, 0x02,  /*    Usage (AC Back),        */ | 
|  | 0x0A, 0x25, 0x02,  /*    Usage (AC Forward),     */ | 
|  | 0x14,              /*    Logical Minimum (0),    */ | 
|  | 0x25, 0x01,        /*    Logical Maximum (1),    */ | 
|  | 0x75, 0x01,        /*    Report Size (1),        */ | 
|  | 0x95, 0x08,        /*    Report Count (8),       */ | 
|  | 0x81, 0x02,        /*    Input (Variable),       */ | 
|  | 0x95, 0x30,        /*    Report Count (48),      */ | 
|  | 0x81, 0x01,        /*    Input (Constant),       */ | 
|  | 0xC0               /*  End Collection            */ | 
|  | }; | 
|  |  | 
|  | static const __u8 easypen_m506_control_rdesc[] = { | 
|  | 0x05, 0x0C,        /*  Usage Page (Consumer),    */ | 
|  | 0x09, 0x01,        /*  Usage (Consumer Control), */ | 
|  | 0xA1, 0x01,        /*  Collection (Application), */ | 
|  | 0x85, 0x12,        /*    Report ID (18),         */ | 
|  | 0x0A, 0x6A, 0x02,  /*    Usage (AC Delete),      */ | 
|  | 0x0A, 0x1A, 0x02,  /*    Usage (AC Undo),        */ | 
|  | 0x0A, 0x2D, 0x02,  /*    Usage (AC Zoom In),     */ | 
|  | 0x0A, 0x2E, 0x02,  /*    Usage (AC Zoom Out),    */ | 
|  | 0x14,              /*    Logical Minimum (0),    */ | 
|  | 0x25, 0x01,        /*    Logical Maximum (1),    */ | 
|  | 0x75, 0x01,        /*    Report Size (1),        */ | 
|  | 0x95, 0x04,        /*    Report Count (4),       */ | 
|  | 0x81, 0x02,        /*    Input (Variable),       */ | 
|  | 0x95, 0x34,        /*    Report Count (52),      */ | 
|  | 0x81, 0x01,        /*    Input (Constant),       */ | 
|  | 0xC0               /*  End Collection            */ | 
|  | }; | 
|  |  | 
|  | static const __u8 easypen_m406w_control_rdesc[] = { | 
|  | 0x05, 0x0C,        /*  Usage Page (Consumer),    */ | 
|  | 0x09, 0x01,        /*  Usage (Consumer Control), */ | 
|  | 0xA1, 0x01,        /*  Collection (Application), */ | 
|  | 0x85, 0x12,        /*    Report ID (18),         */ | 
|  | 0x0A, 0x6A, 0x02,  /*    Usage (AC Delete),      */ | 
|  | 0x0A, 0x1A, 0x02,  /*    Usage (AC Undo),        */ | 
|  | 0x0A, 0x01, 0x02,  /*    Usage (AC New),         */ | 
|  | 0x09, 0x40,        /*    Usage (Menu),           */ | 
|  | 0x14,              /*    Logical Minimum (0),    */ | 
|  | 0x25, 0x01,        /*    Logical Maximum (1),    */ | 
|  | 0x75, 0x01,        /*    Report Size (1),        */ | 
|  | 0x95, 0x04,        /*    Report Count (4),       */ | 
|  | 0x81, 0x02,        /*    Input (Variable),       */ | 
|  | 0x95, 0x34,        /*    Report Count (52),      */ | 
|  | 0x81, 0x01,        /*    Input (Constant),       */ | 
|  | 0xC0               /*  End Collection            */ | 
|  | }; | 
|  |  | 
|  | static const __u8 easypen_m610x_control_rdesc[] = { | 
|  | 0x05, 0x0C,        /*  Usage Page (Consumer),       */ | 
|  | 0x09, 0x01,        /*  Usage (Consumer Control),    */ | 
|  | 0xA1, 0x01,        /*  Collection (Application),    */ | 
|  | 0x85, 0x12,        /*    Report ID (18),            */ | 
|  | 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),       */ | 
|  | 0x14,              /*    Logical Minimum (0),       */ | 
|  | 0x25, 0x01,        /*    Logical Maximum (1),       */ | 
|  | 0x75, 0x01,        /*    Report Size (1),           */ | 
|  | 0x95, 0x04,        /*    Report Count (4),          */ | 
|  | 0x81, 0x02,        /*    Input (Variable),          */ | 
|  | 0x95, 0x34,        /*    Report Count (52),         */ | 
|  | 0x81, 0x01,        /*    Input (Constant),          */ | 
|  | 0xC0               /*  End Collection               */ | 
|  | }; | 
|  |  | 
|  | static const __u8 pensketch_m912_control_rdesc[] = { | 
|  | 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 const __u8 mousepen_m508wx_control_rdesc[] = { | 
|  | 0x05, 0x0C,        /*  Usage Page (Consumer),    */ | 
|  | 0x09, 0x01,        /*  Usage (Consumer Control), */ | 
|  | 0xA1, 0x01,        /*  Collection (Application), */ | 
|  | 0x85, 0x12,        /*    Report ID (18),         */ | 
|  | 0x0A, 0x1A, 0x02,  /*    Usage (AC Undo),        */ | 
|  | 0x0A, 0x6A, 0x02,  /*    Usage (AC Delete),      */ | 
|  | 0x0A, 0x2D, 0x02,  /*    Usage (AC Zoom In),     */ | 
|  | 0x0A, 0x2E, 0x02,  /*    Usage (AC Zoom Out),    */ | 
|  | 0x14,              /*    Logical Minimum (0),    */ | 
|  | 0x25, 0x01,        /*    Logical Maximum (1),    */ | 
|  | 0x75, 0x01,        /*    Report Size (1),        */ | 
|  | 0x95, 0x04,        /*    Report Count (4),       */ | 
|  | 0x81, 0x02,        /*    Input (Variable),       */ | 
|  | 0x95, 0x34,        /*    Report Count (52),      */ | 
|  | 0x81, 0x01,        /*    Input (Constant),       */ | 
|  | 0xC0               /*  End Collection            */ | 
|  | }; | 
|  |  | 
|  | static const __u8 mousepen_m508x_control_rdesc[] = { | 
|  | 0x05, 0x0C,        /*  Usage Page (Consumer),        */ | 
|  | 0x09, 0x01,        /*  Usage (Consumer Control),     */ | 
|  | 0xA1, 0x01,        /*  Collection (Application),     */ | 
|  | 0x85, 0x12,        /*    Report ID (18),             */ | 
|  | 0x0A, 0x01, 0x02,  /*    Usage (AC New),             */ | 
|  | 0x09, 0x40,        /*    Usage (Menu),               */ | 
|  | 0x0A, 0x6A, 0x02,  /*    Usage (AC Delete),          */ | 
|  | 0x0A, 0x1A, 0x02,  /*    Usage (AC Undo),            */ | 
|  | 0x14,              /*    Logical Minimum (0),        */ | 
|  | 0x25, 0x01,        /*    Logical Maximum (1),        */ | 
|  | 0x75, 0x01,        /*    Report Size (1),            */ | 
|  | 0x95, 0x04,        /*    Report Count (4),           */ | 
|  | 0x81, 0x02,        /*    Input (Variable),           */ | 
|  | 0x81, 0x01,        /*    Input (Constant),           */ | 
|  | 0x15, 0xFF,        /*    Logical Minimum (-1),       */ | 
|  | 0x95, 0x10,        /*    Report Count (16),          */ | 
|  | 0x81, 0x01,        /*    Input (Constant),           */ | 
|  | 0x0A, 0x35, 0x02,  /*    Usage (AC Scroll),          */ | 
|  | 0x0A, 0x2F, 0x02,  /*    Usage (AC Zoom),            */ | 
|  | 0x0A, 0x38, 0x02,  /*    Usage (AC Pan),             */ | 
|  | 0x75, 0x08,        /*    Report Size (8),            */ | 
|  | 0x95, 0x03,        /*    Report Count (3),           */ | 
|  | 0x81, 0x06,        /*    Input (Variable, Relative), */ | 
|  | 0x95, 0x01,        /*    Report Count (1),           */ | 
|  | 0x81, 0x01,        /*    Input (Constant),           */ | 
|  | 0xC0               /*  End Collection                */ | 
|  | }; | 
|  |  | 
|  | static const __u8 easypen_m406xe_control_rdesc[] = { | 
|  | 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, 0x79, 0x02,  /*      Usage (AC Redo Or Repeat),  */ | 
|  | 0x0A, 0x1A, 0x02,  /*      Usage (AC Undo),            */ | 
|  | 0x0A, 0x2D, 0x02,  /*      Usage (AC Zoom In),         */ | 
|  | 0x0A, 0x2E, 0x02,  /*      Usage (AC Zoom Out),        */ | 
|  | 0x81, 0x02,        /*      Input (Variable),           */ | 
|  | 0x95, 0x34,        /*      Report Count (52),          */ | 
|  | 0x81, 0x03,        /*      Input (Constant, Variable), */ | 
|  | 0xC0               /*  End Collection                  */ | 
|  | }; | 
|  |  | 
|  | static const __u8 pensketch_t609a_control_rdesc[] = { | 
|  | 0x05, 0x0C,        /*  Usage Page (Consumer),    */ | 
|  | 0x09, 0x01,        /*  Usage (Consumer Control), */ | 
|  | 0xA1, 0x01,        /*  Collection (Application), */ | 
|  | 0x85, 0x12,        /*    Report ID (18),         */ | 
|  | 0x0A, 0x6A, 0x02,  /*    Usage (AC Delete),      */ | 
|  | 0x14,              /*    Logical Minimum (0),    */ | 
|  | 0x25, 0x01,        /*    Logical Maximum (1),    */ | 
|  | 0x75, 0x01,        /*    Report Size (1),        */ | 
|  | 0x95, 0x08,        /*    Report Count (8),       */ | 
|  | 0x81, 0x02,        /*    Input (Variable),       */ | 
|  | 0x95, 0x37,        /*    Report Count (55),      */ | 
|  | 0x81, 0x01,        /*    Input (Constant),       */ | 
|  | 0xC0               /*  End Collection            */ | 
|  | }; | 
|  |  | 
|  | /* Fix indexes in kye_tablet_fixup() if you change this */ | 
|  | static const __u8 kye_tablet_rdesc[] = { | 
|  | 0x06, 0x00, 0xFF,             /*  Usage Page (FF00h),             */ | 
|  | 0x09, 0x01,                   /*  Usage (01h),                    */ | 
|  | 0xA1, 0x01,                   /*  Collection (Application),       */ | 
|  | 0x85, 0x05,                   /*    Report ID (5),                */ | 
|  | 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, 0x01,                   /*  Usage (Digitizer),              */ | 
|  | 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, 0x01,                   /*      Input (Constant),           */ | 
|  | 0x09, 0x32,                   /*      Usage (In Range),           */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x75, 0x10,                   /*      Report Size (16),           */ | 
|  | 0xA4,                         /*      Push,                       */ | 
|  | 0x05, 0x01,                   /*      Usage Page (Desktop),       */ | 
|  | 0x09, 0x30,                   /*      Usage (X),                  */ | 
|  | 0x27, 0xFF, 0x7F, 0x00, 0x00, /*      Logical Maximum (32767),    */ | 
|  | 0x34,                         /*      Physical Minimum (0),       */ | 
|  | 0x47, 0x00, 0x00, 0x00, 0x00, /*      Physical Maximum (0),       */ | 
|  | 0x65, 0x11,                   /*      Unit (Centimeter),          */ | 
|  | 0x55, 0x00,                   /*      Unit Exponent (0),          */ | 
|  | 0x75, 0x10,                   /*      Report Size (16),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x09, 0x31,                   /*      Usage (Y),                  */ | 
|  | 0x27, 0xFF, 0x7F, 0x00, 0x00, /*      Logical Maximum (32767),    */ | 
|  | 0x47, 0x00, 0x00, 0x00, 0x00, /*      Physical Maximum (0),       */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xB4,                         /*      Pop,                        */ | 
|  | 0x05, 0x0D,                   /*      Usage Page (Digitizer),     */ | 
|  | 0x09, 0x30,                   /*      Usage (Tip Pressure),       */ | 
|  | 0x27, 0xFF, 0x07, 0x00, 0x00, /*      Logical Maximum (2047),     */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xC0,                         /*    End Collection,               */ | 
|  | 0xC0                          /*  End Collection,                 */ | 
|  | }; | 
|  |  | 
|  | /* Fix indexes in kye_tablet_fixup() if you change this */ | 
|  | static const __u8 kye_tablet_mouse_rdesc[] = { | 
|  | 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),        */ | 
|  | 0x05, 0x09,                   /*      Usage Page (Button),        */ | 
|  | 0x19, 0x01,                   /*      Usage Minimum (01h),        */ | 
|  | 0x29, 0x03,                   /*      Usage Maximum (03h),        */ | 
|  | 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, 0x01,                   /*      Input (Constant),           */ | 
|  | 0x05, 0x0D,                   /*      Usage Page (Digitizer),     */ | 
|  | 0x09, 0x37,                   /*      Usage (Data Valid),         */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x05, 0x01,                   /*      Usage Page (Desktop),       */ | 
|  | 0xA4,                         /*      Push,                       */ | 
|  | 0x09, 0x30,                   /*      Usage (X),                  */ | 
|  | 0x27, 0xFF, 0x7F, 0x00, 0x00, /*      Logical Maximum (32767),    */ | 
|  | 0x34,                         /*      Physical Minimum (0),       */ | 
|  | 0x47, 0x00, 0x00, 0x00, 0x00, /*      Physical Maximum (0),       */ | 
|  | 0x65, 0x11,                   /*      Unit (Centimeter),          */ | 
|  | 0x55, 0x00,                   /*      Unit Exponent (0),          */ | 
|  | 0x75, 0x10,                   /*      Report Size (16),           */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0x09, 0x31,                   /*      Usage (Y),                  */ | 
|  | 0x27, 0xFF, 0x7F, 0x00, 0x00, /*      Logical Maximum (32767),    */ | 
|  | 0x47, 0x00, 0x00, 0x00, 0x00, /*      Physical Maximum (0),       */ | 
|  | 0x81, 0x02,                   /*      Input (Variable),           */ | 
|  | 0xB4,                         /*      Pop,                        */ | 
|  | 0x09, 0x38,                   /*      Usage (Wheel),              */ | 
|  | 0x15, 0xFF,                   /*      Logical Minimum (-1),       */ | 
|  | 0x75, 0x08,                   /*      Report Size (8),            */ | 
|  | 0x95, 0x01,                   /*      Report Count (1),           */ | 
|  | 0x81, 0x06,                   /*      Input (Variable, Relative), */ | 
|  | 0x81, 0x01,                   /*      Input (Constant),           */ | 
|  | 0xC0,                         /*    End Collection,               */ | 
|  | 0xC0                          /*  End Collection                  */ | 
|  | }; | 
|  |  | 
|  | static const struct kye_tablet_info { | 
|  | __u32 product; | 
|  | __s32 x_logical_maximum; | 
|  | __s32 y_logical_maximum; | 
|  | __s32 pressure_logical_maximum; | 
|  | __s32 x_physical_maximum; | 
|  | __s32 y_physical_maximum; | 
|  | __s8 unit_exponent; | 
|  | __s8 unit; | 
|  | bool has_mouse; | 
|  | unsigned int control_rsize; | 
|  | const __u8 *control_rdesc; | 
|  | } kye_tablets_info[] = { | 
|  | {USB_DEVICE_ID_KYE_EASYPEN_M406,  /* 0x5005 */ | 
|  | 15360, 10240, 1023,    6,   4,  0, 0x13, false, | 
|  | sizeof(easypen_m406_control_rdesc), easypen_m406_control_rdesc}, | 
|  | {USB_DEVICE_ID_KYE_EASYPEN_M506,  /* 0x500F */ | 
|  | 24576, 20480, 1023,    6,   5,  0, 0x13, false, | 
|  | sizeof(easypen_m506_control_rdesc), easypen_m506_control_rdesc}, | 
|  | {USB_DEVICE_ID_KYE_EASYPEN_I405X,  /* 0x5010 */ | 
|  | 14080, 10240, 1023,   55,  40, -1, 0x13, false}, | 
|  | {USB_DEVICE_ID_KYE_MOUSEPEN_I608X,  /* 0x5011 */ | 
|  | 20480, 15360, 2047,    8,   6,  0, 0x13,  true}, | 
|  | {USB_DEVICE_ID_KYE_EASYPEN_M406W,  /* 0x5012 */ | 
|  | 15360, 10240, 1023,    6,   4,  0, 0x13, false, | 
|  | sizeof(easypen_m406w_control_rdesc), easypen_m406w_control_rdesc}, | 
|  | {USB_DEVICE_ID_KYE_EASYPEN_M610X,  /* 0x5013 */ | 
|  | 40960, 25600, 1023, 1000, 625, -2, 0x13, false, | 
|  | sizeof(easypen_m610x_control_rdesc), easypen_m610x_control_rdesc}, | 
|  | {USB_DEVICE_ID_KYE_EASYPEN_340,  /* 0x5014 */ | 
|  | 10240,  7680, 1023,    4,   3,  0, 0x13, false}, | 
|  | {USB_DEVICE_ID_KYE_PENSKETCH_M912,  /* 0x5015 */ | 
|  | 61440, 46080, 2047,   12,   9,  0, 0x13,  true, | 
|  | sizeof(pensketch_m912_control_rdesc), pensketch_m912_control_rdesc}, | 
|  | {USB_DEVICE_ID_KYE_MOUSEPEN_M508WX,  /* 0x5016 */ | 
|  | 40960, 25600, 2047,    8,   5,  0, 0x13,  true, | 
|  | sizeof(mousepen_m508wx_control_rdesc), mousepen_m508wx_control_rdesc}, | 
|  | {USB_DEVICE_ID_KYE_MOUSEPEN_M508X,  /* 0x5017 */ | 
|  | 40960, 25600, 2047,    8,   5,  0, 0x13,  true, | 
|  | sizeof(mousepen_m508x_control_rdesc), mousepen_m508x_control_rdesc}, | 
|  | {USB_DEVICE_ID_KYE_EASYPEN_M406XE,  /* 0x5019 */ | 
|  | 15360, 10240, 1023,    6,   4,  0, 0x13, false, | 
|  | sizeof(easypen_m406xe_control_rdesc), easypen_m406xe_control_rdesc}, | 
|  | {USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2,  /* 0x501A */ | 
|  | 40960, 30720, 2047,    8,   6,  0, 0x13,  true}, | 
|  | {USB_DEVICE_ID_KYE_PENSKETCH_T609A,  /* 0x501B */ | 
|  | 43520, 28160, 1023,   85,  55, -1, 0x13, false, | 
|  | sizeof(pensketch_t609a_control_rdesc), pensketch_t609a_control_rdesc}, | 
|  | {} | 
|  | }; | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Fix tablet descriptor of so-called "DataFormat 2". | 
|  | * | 
|  | * Though we may achieve a usable descriptor from original vendor-defined one, | 
|  | * some problems exist: | 
|  | *  - Their Logical Maximum never exceed 32767 (7F FF), though device do report | 
|  | *    values greater than that; | 
|  | *  - Physical Maximums are arbitrarily filled (always equal to Logical | 
|  | *    Maximum); | 
|  | *  - Detail for control buttons are not provided (a vendor-defined Usage Page | 
|  | *    with fixed content). | 
|  | * | 
|  | * Thus we use a pre-defined parameter table rather than digging it from | 
|  | * original descriptor. | 
|  | * | 
|  | * We may as well write a fallback routine for unrecognized kye tablet, but it's | 
|  | * clear kye are unlikely to produce new models in the foreseeable future, so we | 
|  | * simply enumerate all possible models. | 
|  | */ | 
|  | static __u8 *kye_tablet_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) | 
|  | { | 
|  | const struct kye_tablet_info *info; | 
|  | __u8 *newdesc = rdesc; | 
|  |  | 
|  | if (*rsize < sizeof(kye_tablet_rdesc)) { | 
|  | hid_warn(hdev, | 
|  | "tablet report size too small, or kye_tablet_rdesc unexpectedly large\n"); | 
|  | return rdesc; | 
|  | } | 
|  |  | 
|  | for (info = kye_tablets_info; info->product; info++) { | 
|  | if (hdev->product == info->product) | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (!info->product) { | 
|  | hid_err(hdev, "tablet unknown, someone forget to add kye_tablet_info entry?\n"); | 
|  | return rdesc; | 
|  | } | 
|  |  | 
|  | memcpy(newdesc, kye_tablet_rdesc, sizeof(kye_tablet_rdesc)); | 
|  |  | 
|  | put_unaligned_le32(info->x_logical_maximum, newdesc + 66); | 
|  | put_unaligned_le32(info->x_physical_maximum, newdesc + 72); | 
|  | newdesc[77] = info->unit; | 
|  | newdesc[79] = info->unit_exponent; | 
|  | put_unaligned_le32(info->y_logical_maximum, newdesc + 87); | 
|  | put_unaligned_le32(info->y_physical_maximum, newdesc + 92); | 
|  | put_unaligned_le32(info->pressure_logical_maximum, newdesc + 104); | 
|  |  | 
|  | newdesc += sizeof(kye_tablet_rdesc); | 
|  |  | 
|  | if (info->has_mouse) { | 
|  | if (newdesc + sizeof(kye_tablet_mouse_rdesc) > rdesc + *rsize) | 
|  | hid_err(hdev, "control desc unexpectedly large\n"); | 
|  | else { | 
|  | memcpy(newdesc, kye_tablet_mouse_rdesc, sizeof(kye_tablet_mouse_rdesc)); | 
|  |  | 
|  | put_unaligned_le32(info->x_logical_maximum, newdesc + 44); | 
|  | put_unaligned_le32(info->x_physical_maximum, newdesc + 50); | 
|  | newdesc[55] = info->unit; | 
|  | newdesc[57] = info->unit_exponent; | 
|  | put_unaligned_le32(info->y_logical_maximum, newdesc + 65); | 
|  | put_unaligned_le32(info->y_physical_maximum, newdesc + 70); | 
|  |  | 
|  | newdesc += sizeof(kye_tablet_mouse_rdesc); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (info->control_rsize) { | 
|  | if (newdesc + info->control_rsize > rdesc + *rsize) | 
|  | hid_err(hdev, "control desc unexpectedly large\n"); | 
|  | else { | 
|  | memcpy(newdesc, info->control_rdesc, info->control_rsize); | 
|  | newdesc += info->control_rsize; | 
|  | } | 
|  | } | 
|  |  | 
|  | *rsize = newdesc - rdesc; | 
|  | return rdesc; | 
|  | } | 
|  |  | 
|  | static const __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_GENIUS_GILA_GAMING_MOUSE: | 
|  | rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104, | 
|  | "Genius Gila Gaming Mouse"); | 
|  | break; | 
|  | case USB_DEVICE_ID_GENIUS_MANTICORE: | 
|  | rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104, | 
|  | "Genius Manticore Keyboard"); | 
|  | 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_KYE_EASYPEN_M406: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M506: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_I405X: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_I608X: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M406W: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M610X: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_340: | 
|  | case USB_DEVICE_ID_KYE_PENSKETCH_M912: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_M508WX: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_M508X: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M406XE: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2: | 
|  | case USB_DEVICE_ID_KYE_PENSKETCH_T609A: | 
|  | rdesc = kye_tablet_fixup(hdev, rdesc, rsize); | 
|  | break; | 
|  | } | 
|  | return rdesc; | 
|  | } | 
|  |  | 
|  | 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; | 
|  |  | 
|  | /* | 
|  | * The code is for DataFormat 2 of config xml. They have no obvious | 
|  | * meaning (at least not configurable in Windows driver) except enabling | 
|  | * fully-functional tablet mode (absolute positioning). Otherwise, the | 
|  | * tablet acts like a relative mouse. | 
|  | * | 
|  | * Though there're magic codes for DataFormat 3 and 4, no devices use | 
|  | * these DataFormats. | 
|  | */ | 
|  | 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_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; | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M406: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M506: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_I405X: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_I608X: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M406W: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M610X: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_340: | 
|  | case USB_DEVICE_ID_KYE_PENSKETCH_M912: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_M508WX: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_M508X: | 
|  | case USB_DEVICE_ID_KYE_EASYPEN_M406XE: | 
|  | case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2: | 
|  | case USB_DEVICE_ID_KYE_PENSKETCH_T609A: | 
|  | ret = kye_tablet_enable(hdev); | 
|  | if (ret) { | 
|  | hid_err(hdev, "tablet enabling failed\n"); | 
|  | goto enabling_err; | 
|  | } | 
|  | 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_GENIUS_GILA_GAMING_MOUSE) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_GENIUS_MANTICORE) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_EASYPEN_M406) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_EASYPEN_M506) }, | 
|  | { 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_EASYPEN_M406W) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_EASYPEN_M610X) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_EASYPEN_340) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_PENSKETCH_M912) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_MOUSEPEN_M508WX) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_MOUSEPEN_M508X) }, | 
|  | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, | 
|  | USB_DEVICE_ID_KYE_EASYPEN_M406XE) }, | 
|  | { 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_PENSKETCH_T609A) }, | 
|  | { } | 
|  | }; | 
|  | 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_DESCRIPTION("HID driver for Kye/Genius devices not fully compliant with HID standard"); | 
|  | MODULE_LICENSE("GPL"); |