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drivers/hid/hid-uclogic.c 46.4 KB
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  /*
   *  HID driver for UC-Logic devices not fully compliant with HID standard
   *
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   *  Copyright (c) 2010-2014 Nikolai Kondrashov
   *  Copyright (c) 2013 Martin Rusko
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   */
  
  /*
   * 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>
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  #include <linux/usb.h>
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  #include <asm/unaligned.h>
  #include "usbhid/usbhid.h"
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  #include "hid-ids.h"
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  /* Size of the original descriptor of WPXXXXU tablets */
  #define WPXXXXU_RDESC_ORIG_SIZE	212
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  /* Fixed WP4030U report descriptor */
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  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                      */
  };
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  /* Size of the original descriptor of WP1062 tablet */
  #define WP1062_RDESC_ORIG_SIZE	254
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  /* Fixed WP1062 report descriptor */
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  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                      */
  };
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  /* Size of the original descriptor of PF1209 tablet */
  #define PF1209_RDESC_ORIG_SIZE	234
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  /* Fixed PF1209 report descriptor */
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  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                      */
  };
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  /* 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                      */
  };
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  /* 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              */
  };
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  /* 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
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  #define UCLOGIC_PEN_REPORT_ID	0x07
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  /* 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                          */
  };
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  /* Fixed virtual pad report descriptor */
  static const __u8 uclogic_buttonpad_rdesc[] = {
  	0x05, 0x01,             /*  Usage Page (Desktop),                   */
  	0x09, 0x07,             /*  Usage (Keypad),                         */
  	0xA1, 0x01,             /*  Collection (Application),               */
  	0x85, 0xF7,             /*      Report ID (247),                    */
  	0x05, 0x0D,             /*      Usage Page (Digitizers),            */
  	0x09, 0x39,             /*      Usage (Tablet Function Keys),       */
  	0xA0,                   /*      Collection (Physical),              */
  	0x05, 0x09,             /*          Usage Page (Button),            */
  	0x75, 0x01,             /*          Report Size (1),                */
  	0x95, 0x18,             /*          Report Count (24),              */
  	0x81, 0x03,             /*          Input (Constant, Variable),     */
  	0x19, 0x01,             /*          Usage Minimum (01h),            */
  	0x29, 0x08,             /*          Usage Maximum (08h),            */
  	0x95, 0x08,             /*          Report Count (8),               */
  	0x81, 0x02,             /*          Input (Variable),               */
  	0xC0,                   /*      End Collection                      */
  	0xC0                    /*  End Collection                          */
  };
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  /* 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;
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  	bool invert_pen_inrange;
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  	bool ignore_pen_usage;
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  	bool has_virtual_pad_interface;
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  };
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  static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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  					unsigned int *rsize)
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  {
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  	struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
  	__u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
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  	struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
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  	if (drvdata->rdesc != NULL) {
  		rdesc = drvdata->rdesc;
  		*rsize = drvdata->rsize;
  		return rdesc;
  	}
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  	switch (hdev->product) {
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  	case USB_DEVICE_ID_UCLOGIC_TABLET_PF1209:
  		if (*rsize == PF1209_RDESC_ORIG_SIZE) {
  			rdesc = pf1209_rdesc_fixed;
  			*rsize = sizeof(pf1209_rdesc_fixed);
  		}
  		break;
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  	case USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U:
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  		if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
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  			rdesc = wp4030u_rdesc_fixed;
  			*rsize = sizeof(wp4030u_rdesc_fixed);
  		}
  		break;
  	case USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U:
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  		if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
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  			rdesc = wp5540u_rdesc_fixed;
  			*rsize = sizeof(wp5540u_rdesc_fixed);
  		}
  		break;
  	case USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U:
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  		if (*rsize == WPXXXXU_RDESC_ORIG_SIZE) {
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  			rdesc = wp8060u_rdesc_fixed;
  			*rsize = sizeof(wp8060u_rdesc_fixed);
  		}
  		break;
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  	case USB_DEVICE_ID_UCLOGIC_TABLET_WP1062:
  		if (*rsize == WP1062_RDESC_ORIG_SIZE) {
  			rdesc = wp1062_rdesc_fixed;
  			*rsize = sizeof(wp1062_rdesc_fixed);
  		}
  		break;
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  	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;
eb4e426a4   Nikolai Kondrashov   HID: uclogic: Add...
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
  	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;
f8a489cc5   Nikolai Kondrashov   HID: Add support ...
697
698
699
700
  	}
  
  	return rdesc;
  }
aa2121ac4   Benjamin Tissoires   HID: uclogic: dis...
701
702
703
704
  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)
  {
ee20fe238   Benjamin Tissoires   HID: uclogic: mak...
705
  	struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
aa2121ac4   Benjamin Tissoires   HID: uclogic: dis...
706

ee20fe238   Benjamin Tissoires   HID: uclogic: mak...
707
708
709
710
  	/* discard the unused pen interface */
  	if ((drvdata->ignore_pen_usage) &&
  	    (field->application == HID_DG_PEN))
  		return -1;
aa2121ac4   Benjamin Tissoires   HID: uclogic: dis...
711
712
713
714
  
  	/* let hid-core decide what to do */
  	return 0;
  }
9154301a4   Dmitry Torokhov   HID: hid-input: a...
715
  static int uclogic_input_configured(struct hid_device *hdev,
cce2dbdf2   Benjamin Tissoires   HID: uclogic: nam...
716
717
718
719
720
721
722
723
724
  		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)
9154301a4   Dmitry Torokhov   HID: hid-input: a...
725
  		return 0;
cce2dbdf2   Benjamin Tissoires   HID: uclogic: nam...
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
  
  	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;
  		}
  	}
9154301a4   Dmitry Torokhov   HID: hid-input: a...
758
759
  
  	return 0;
cce2dbdf2   Benjamin Tissoires   HID: uclogic: nam...
760
  }
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
  /**
   * 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) {
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
  		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
  ");
  		rc = -ENODEV;
  		goto cleanup;
  	} else if (rc < 0) {
  		hid_err(hdev, "failed to get device parameters: %d
  ", rc);
  		rc = -ENODEV;
  		goto cleanup;
  	} else if (rc != len) {
  		hid_err(hdev, "invalid device parameters
  ");
  		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) {
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
833
834
835
836
837
838
839
840
841
842
843
  		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 &&
4a8e70f5d   Dan Carpenter   HID: uclogic: fix...
844
  		    p[3] < ARRAY_SIZE(params)) {
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
845
846
847
848
849
850
851
852
853
854
855
856
857
858
  			v = params[p[3]];
  			put_unaligned(cpu_to_le32(v), (s32 *)p);
  			p += 4;
  		} else {
  			p++;
  		}
  	}
  
  	rc = 0;
  
  cleanup:
  	kfree(buf);
  	return rc;
  }
21003968c   Benjamin Tissoires   HID: uclogic: Swi...
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
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900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
  /**
   * Enable actual button mode.
   *
   * @hdev:	HID device
   */
  static int uclogic_button_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);
  	char *str_buf;
  	size_t str_len = 16;
  	unsigned char *rdesc;
  	size_t rdesc_len;
  
  	str_buf = kzalloc(str_len, GFP_KERNEL);
  	if (str_buf == NULL) {
  		rc = -ENOMEM;
  		goto cleanup;
  	}
  
  	/* Enable abstract keyboard mode */
  	rc = usb_string(usb_dev, 0x7b, str_buf, str_len);
  	if (rc == -EPIPE) {
  		hid_info(hdev, "button mode setting not found
  ");
  		rc = 0;
  		goto cleanup;
  	} else if (rc < 0) {
  		hid_err(hdev, "failed to enable abstract keyboard
  ");
  		goto cleanup;
  	} else if (strncmp(str_buf, "HK On", rc)) {
  		hid_info(hdev, "invalid answer when requesting buttons: '%s'
  ",
  			str_buf);
  		rc = -EINVAL;
  		goto cleanup;
  	}
  
  	/* Re-allocate fixed report descriptor */
  	rdesc_len = drvdata->rsize + sizeof(uclogic_buttonpad_rdesc);
  	rdesc = devm_kzalloc(&hdev->dev, rdesc_len, GFP_KERNEL);
  	if (!rdesc) {
  		rc = -ENOMEM;
  		goto cleanup;
  	}
  
  	memcpy(rdesc, drvdata->rdesc, drvdata->rsize);
  
  	/* Append the buttonpad descriptor */
  	memcpy(rdesc + drvdata->rsize, uclogic_buttonpad_rdesc,
  	       sizeof(uclogic_buttonpad_rdesc));
  
  	/* clean up old rdesc and use the new one */
  	drvdata->rsize = rdesc_len;
  	devm_kfree(&hdev->dev, drvdata->rdesc);
  	drvdata->rdesc = rdesc;
  
  	rc = 0;
  
  cleanup:
  	kfree(str_buf);
  	return rc;
  }
70b69cfb8   Benjamin Tissoires   HID: uclogic: Set...
924
925
926
927
  static int uclogic_probe(struct hid_device *hdev,
  		const struct hid_device_id *id)
  {
  	int rc;
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
928
  	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
3202bb7fb   Nikolai Kondrashov   HID: uclogic: Add...
929
  	struct usb_device *udev = hid_to_usb_dev(hdev);
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
930
  	struct uclogic_drvdata *drvdata;
70b69cfb8   Benjamin Tissoires   HID: uclogic: Set...
931
932
933
934
935
936
  
  	/*
  	 * 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;
002a82ded   Benjamin Tissoires   HID: uclogic: app...
937
  	hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT;
70b69cfb8   Benjamin Tissoires   HID: uclogic: Set...
938

08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
939
940
941
942
943
944
945
946
947
  	/* 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:
4b7e7e5ed   Nikolai Kondrashov   HID: uclogic: Add...
948
949
950
951
  	case USB_DEVICE_ID_YIYNOVA_TABLET:
  	case USB_DEVICE_ID_UGEE_TABLET_81:
  	case USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3:
  	case USB_DEVICE_ID_UGEE_TABLET_45:
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
952
953
954
955
956
957
958
959
  		/* 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
  ");
  				return rc;
  			}
fce8c5fd8   Benjamin Tissoires   HID: uclogic: act...
960
  			drvdata->invert_pen_inrange = true;
21003968c   Benjamin Tissoires   HID: uclogic: Swi...
961
962
963
  
  			rc = uclogic_button_enable(hdev);
  			drvdata->has_virtual_pad_interface = !rc;
ee20fe238   Benjamin Tissoires   HID: uclogic: mak...
964
965
  		} else {
  			drvdata->ignore_pen_usage = true;
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
966
967
  		}
  		break;
18e3dfac1   Nikolai Kondrashov   HID: uclogic: Sup...
968
  	case USB_DEVICE_ID_UGTIZER_TABLET_GP0610:
fe1a83b43   Xiaolei Yu   HID: uclogic: add...
969
  	case USB_DEVICE_ID_UGEE_TABLET_EX07S:
18e3dfac1   Nikolai Kondrashov   HID: uclogic: Sup...
970
971
972
973
974
975
976
977
978
979
980
981
982
  		/* If this is the pen interface */
  		if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
  			rc = uclogic_tablet_enable(hdev);
  			if (rc) {
  				hid_err(hdev, "tablet enabling failed
  ");
  				return rc;
  			}
  			drvdata->invert_pen_inrange = true;
  		} else {
  			drvdata->ignore_pen_usage = true;
  		}
  		break;
3202bb7fb   Nikolai Kondrashov   HID: uclogic: Add...
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
  	case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60:
  		/*
  		 * If it is the three-interface version, which is known to
  		 * respond to initialization.
  		 */
  		if (udev->config->desc.bNumInterfaces == 3) {
  			/* If it is the pen interface */
  			if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
  				rc = uclogic_tablet_enable(hdev);
  				if (rc) {
  					hid_err(hdev, "tablet enabling failed
  ");
  					return rc;
  				}
  				drvdata->invert_pen_inrange = true;
  
  				rc = uclogic_button_enable(hdev);
  				drvdata->has_virtual_pad_interface = !rc;
  			} else {
  				drvdata->ignore_pen_usage = true;
  			}
  		}
  		break;
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
1006
  	}
70b69cfb8   Benjamin Tissoires   HID: uclogic: Set...
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
  	rc = hid_parse(hdev);
  	if (rc) {
  		hid_err(hdev, "parse failed
  ");
  		return rc;
  	}
  
  	rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
  	if (rc) {
  		hid_err(hdev, "hw start failed
  ");
  		return rc;
  	}
  
  	return 0;
  }
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
1023
1024
1025
  static int uclogic_raw_event(struct hid_device *hdev, struct hid_report *report,
  			u8 *data, int size)
  {
fce8c5fd8   Benjamin Tissoires   HID: uclogic: act...
1026
  	struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev);
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
1027

21003968c   Benjamin Tissoires   HID: uclogic: Swi...
1028
  	if ((report->type == HID_INPUT_REPORT) &&
fce8c5fd8   Benjamin Tissoires   HID: uclogic: act...
1029
  	    (report->id == UCLOGIC_PEN_REPORT_ID) &&
21003968c   Benjamin Tissoires   HID: uclogic: Swi...
1030
1031
1032
1033
1034
1035
1036
1037
  	    (size >= 2)) {
  		if (drvdata->has_virtual_pad_interface && (data[1] & 0x20))
  			/* Change to virtual frame button report ID */
  			data[0] = 0xf7;
  		else if (drvdata->invert_pen_inrange)
  			/* Invert the in-range bit */
  			data[1] ^= 0x40;
  	}
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
1038
1039
1040
  
  	return 0;
  }
f8a489cc5   Nikolai Kondrashov   HID: Add support ...
1041
1042
  static const struct hid_device_id uclogic_devices[] = {
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
41fa92302   Nikolai Kondrashov   HID: uclogic: add...
1043
1044
  				USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
f8a489cc5   Nikolai Kondrashov   HID: Add support ...
1045
1046
1047
1048
1049
  				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) },
6be914f11   Nikolai Kondrashov   HID: uclogic: Add...
1050
1051
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
  				USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
d1257081a   Nikolai Kondrashov   HID: uclogic: Add...
1052
1053
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
  				USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
eb4e426a4   Nikolai Kondrashov   HID: uclogic: Add...
1054
1055
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
  				USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
1056
1057
  	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) },
4b7e7e5ed   Nikolai Kondrashov   HID: uclogic: Add...
1058
1059
1060
1061
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
18e3dfac1   Nikolai Kondrashov   HID: uclogic: Sup...
1062
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
fe1a83b43   Xiaolei Yu   HID: uclogic: add...
1063
  	{ HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) },
f8a489cc5   Nikolai Kondrashov   HID: Add support ...
1064
1065
1066
1067
1068
1069
1070
  	{ }
  };
  MODULE_DEVICE_TABLE(hid, uclogic_devices);
  
  static struct hid_driver uclogic_driver = {
  	.name = "uclogic",
  	.id_table = uclogic_devices,
70b69cfb8   Benjamin Tissoires   HID: uclogic: Set...
1071
  	.probe = uclogic_probe,
f8a489cc5   Nikolai Kondrashov   HID: Add support ...
1072
  	.report_fixup = uclogic_report_fixup,
08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
1073
  	.raw_event = uclogic_raw_event,
aa2121ac4   Benjamin Tissoires   HID: uclogic: dis...
1074
  	.input_mapping = uclogic_input_mapping,
cce2dbdf2   Benjamin Tissoires   HID: uclogic: nam...
1075
  	.input_configured = uclogic_input_configured,
f8a489cc5   Nikolai Kondrashov   HID: Add support ...
1076
  };
f425458ea   H Hartley Sweeten   HID: Use module_h...
1077
  module_hid_driver(uclogic_driver);
f8a489cc5   Nikolai Kondrashov   HID: Add support ...
1078

08177f40b   Nikolai Kondrashov   HID: uclogic: mer...
1079
1080
  MODULE_AUTHOR("Martin Rusko");
  MODULE_AUTHOR("Nikolai Kondrashov");
f8a489cc5   Nikolai Kondrashov   HID: Add support ...
1081
  MODULE_LICENSE("GPL");