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v6.8
  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 *  HID driver for some logitech "special" devices
  4 *
  5 *  Copyright (c) 1999 Andreas Gal
  6 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  7 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
  8 *  Copyright (c) 2006-2007 Jiri Kosina
  9 *  Copyright (c) 2008 Jiri Slaby
 10 *  Copyright (c) 2010 Hendrik Iben
 11 */
 12
 13/*
 
 
 
 
 14 */
 15
 16#include <linux/device.h>
 17#include <linux/hid.h>
 18#include <linux/module.h>
 19#include <linux/random.h>
 20#include <linux/sched.h>
 21#include <linux/usb.h>
 22#include <linux/wait.h>
 23
 24#include "usbhid/usbhid.h"
 25#include "hid-ids.h"
 26#include "hid-lg.h"
 27#include "hid-lg4ff.h"
 28
 29#define LG_RDESC		0x001
 30#define LG_BAD_RELATIVE_KEYS	0x002
 31#define LG_DUPLICATE_USAGES	0x004
 32#define LG_EXPANDED_KEYMAP	0x010
 33#define LG_IGNORE_DOUBLED_WHEEL	0x020
 34#define LG_WIRELESS		0x040
 35#define LG_INVERT_HWHEEL	0x080
 36#define LG_NOGET		0x100
 37#define LG_FF			0x200
 38#define LG_FF2			0x400
 39#define LG_RDESC_REL_ABS	0x800
 40#define LG_FF3			0x1000
 41#define LG_FF4			0x2000
 42
 43/* Size of the original descriptors of the Driving Force (and Pro) wheels */
 44#define DF_RDESC_ORIG_SIZE	130
 45#define DFP_RDESC_ORIG_SIZE	97
 46#define FV_RDESC_ORIG_SIZE	130
 47#define MOMO_RDESC_ORIG_SIZE	87
 48#define MOMO2_RDESC_ORIG_SIZE	87
 49#define FFG_RDESC_ORIG_SIZE	85
 50#define FG_RDESC_ORIG_SIZE	82
 51
 52/* Fixed report descriptors for Logitech Driving Force (and Pro)
 53 * wheel controllers
 54 *
 55 * The original descriptors hide the separate throttle and brake axes in
 56 * a custom vendor usage page, providing only a combined value as
 57 * GenericDesktop.Y.
 58 * These descriptors remove the combined Y axis and instead report
 59 * separate throttle (Y) and brake (RZ).
 60 */
 61static __u8 df_rdesc_fixed[] = {
 620x05, 0x01,         /*  Usage Page (Desktop),                   */
 630x09, 0x04,         /*  Usage (Joystick),                       */
 640xA1, 0x01,         /*  Collection (Application),               */
 650xA1, 0x02,         /*      Collection (Logical),               */
 660x95, 0x01,         /*          Report Count (1),               */
 670x75, 0x0A,         /*          Report Size (10),               */
 680x14,               /*          Logical Minimum (0),            */
 690x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
 700x34,               /*          Physical Minimum (0),           */
 710x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
 720x09, 0x30,         /*          Usage (X),                      */
 730x81, 0x02,         /*          Input (Variable),               */
 740x95, 0x0C,         /*          Report Count (12),              */
 750x75, 0x01,         /*          Report Size (1),                */
 760x25, 0x01,         /*          Logical Maximum (1),            */
 770x45, 0x01,         /*          Physical Maximum (1),           */
 780x05, 0x09,         /*          Usage (Buttons),                */
 790x19, 0x01,         /*          Usage Minimum (1),              */
 800x29, 0x0c,         /*          Usage Maximum (12),             */
 810x81, 0x02,         /*          Input (Variable),               */
 820x95, 0x02,         /*          Report Count (2),               */
 830x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
 840x09, 0x01,         /*          Usage (?: 1),                   */
 850x81, 0x02,         /*          Input (Variable),               */
 860x05, 0x01,         /*          Usage Page (Desktop),           */
 870x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
 880x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
 890x95, 0x01,         /*          Report Count (1),               */
 900x75, 0x08,         /*          Report Size (8),                */
 910x81, 0x02,         /*          Input (Variable),               */
 920x25, 0x07,         /*          Logical Maximum (7),            */
 930x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
 940x75, 0x04,         /*          Report Size (4),                */
 950x65, 0x14,         /*          Unit (Degrees),                 */
 960x09, 0x39,         /*          Usage (Hat Switch),             */
 970x81, 0x42,         /*          Input (Variable, Null State),   */
 980x75, 0x01,         /*          Report Size (1),                */
 990x95, 0x04,         /*          Report Count (4),               */
1000x65, 0x00,         /*          Unit (none),                    */
1010x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
1020x09, 0x01,         /*          Usage (?: 1),                   */
1030x25, 0x01,         /*          Logical Maximum (1),            */
1040x45, 0x01,         /*          Physical Maximum (1),           */
1050x81, 0x02,         /*          Input (Variable),               */
1060x05, 0x01,         /*          Usage Page (Desktop),           */
1070x95, 0x01,         /*          Report Count (1),               */
1080x75, 0x08,         /*          Report Size (8),                */
1090x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
1100x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
1110x09, 0x31,         /*          Usage (Y),                      */
1120x81, 0x02,         /*          Input (Variable),               */
1130x09, 0x35,         /*          Usage (Rz),                     */
1140x81, 0x02,         /*          Input (Variable),               */
1150xC0,               /*      End Collection,                     */
1160xA1, 0x02,         /*      Collection (Logical),               */
1170x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
1180x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
1190x95, 0x07,         /*          Report Count (7),               */
1200x75, 0x08,         /*          Report Size (8),                */
1210x09, 0x03,         /*          Usage (?: 3),                   */
1220x91, 0x02,         /*          Output (Variable),              */
1230xC0,               /*      End Collection,                     */
1240xC0                /*  End Collection                          */
125};
126
127static __u8 dfp_rdesc_fixed[] = {
1280x05, 0x01,         /*  Usage Page (Desktop),                   */
1290x09, 0x04,         /*  Usage (Joystick),                       */
1300xA1, 0x01,         /*  Collection (Application),               */
1310xA1, 0x02,         /*      Collection (Logical),               */
1320x95, 0x01,         /*          Report Count (1),               */
1330x75, 0x0E,         /*          Report Size (14),               */
1340x14,               /*          Logical Minimum (0),            */
1350x26, 0xFF, 0x3F,   /*          Logical Maximum (16383),        */
1360x34,               /*          Physical Minimum (0),           */
1370x46, 0xFF, 0x3F,   /*          Physical Maximum (16383),       */
1380x09, 0x30,         /*          Usage (X),                      */
1390x81, 0x02,         /*          Input (Variable),               */
1400x95, 0x0E,         /*          Report Count (14),              */
1410x75, 0x01,         /*          Report Size (1),                */
1420x25, 0x01,         /*          Logical Maximum (1),            */
1430x45, 0x01,         /*          Physical Maximum (1),           */
1440x05, 0x09,         /*          Usage Page (Button),            */
1450x19, 0x01,         /*          Usage Minimum (01h),            */
1460x29, 0x0E,         /*          Usage Maximum (0Eh),            */
1470x81, 0x02,         /*          Input (Variable),               */
1480x05, 0x01,         /*          Usage Page (Desktop),           */
1490x95, 0x01,         /*          Report Count (1),               */
1500x75, 0x04,         /*          Report Size (4),                */
1510x25, 0x07,         /*          Logical Maximum (7),            */
1520x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
1530x65, 0x14,         /*          Unit (Degrees),                 */
1540x09, 0x39,         /*          Usage (Hat Switch),             */
1550x81, 0x42,         /*          Input (Variable, Nullstate),    */
1560x65, 0x00,         /*          Unit,                           */
1570x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
1580x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
1590x75, 0x08,         /*          Report Size (8),                */
1600x81, 0x01,         /*          Input (Constant),               */
1610x09, 0x31,         /*          Usage (Y),                      */
1620x81, 0x02,         /*          Input (Variable),               */
1630x09, 0x35,         /*          Usage (Rz),                     */
1640x81, 0x02,         /*          Input (Variable),               */
1650x81, 0x01,         /*          Input (Constant),               */
1660xC0,               /*      End Collection,                     */
1670xA1, 0x02,         /*      Collection (Logical),               */
1680x09, 0x02,         /*          Usage (02h),                    */
1690x95, 0x07,         /*          Report Count (7),               */
1700x91, 0x02,         /*          Output (Variable),              */
1710xC0,               /*      End Collection,                     */
1720xC0                /*  End Collection                          */
173};
174
175static __u8 fv_rdesc_fixed[] = {
1760x05, 0x01,         /*  Usage Page (Desktop),                   */
1770x09, 0x04,         /*  Usage (Joystick),                       */
1780xA1, 0x01,         /*  Collection (Application),               */
1790xA1, 0x02,         /*      Collection (Logical),               */
1800x95, 0x01,         /*          Report Count (1),               */
1810x75, 0x0A,         /*          Report Size (10),               */
1820x15, 0x00,         /*          Logical Minimum (0),            */
1830x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
1840x35, 0x00,         /*          Physical Minimum (0),           */
1850x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
1860x09, 0x30,         /*          Usage (X),                      */
1870x81, 0x02,         /*          Input (Variable),               */
1880x95, 0x0C,         /*          Report Count (12),              */
1890x75, 0x01,         /*          Report Size (1),                */
1900x25, 0x01,         /*          Logical Maximum (1),            */
1910x45, 0x01,         /*          Physical Maximum (1),           */
1920x05, 0x09,         /*          Usage Page (Button),            */
1930x19, 0x01,         /*          Usage Minimum (01h),            */
1940x29, 0x0C,         /*          Usage Maximum (0Ch),            */
1950x81, 0x02,         /*          Input (Variable),               */
1960x95, 0x02,         /*          Report Count (2),               */
1970x06, 0x00, 0xFF,   /*          Usage Page (FF00h),             */
1980x09, 0x01,         /*          Usage (01h),                    */
1990x81, 0x02,         /*          Input (Variable),               */
2000x09, 0x02,         /*          Usage (02h),                    */
2010x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
2020x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
2030x95, 0x01,         /*          Report Count (1),               */
2040x75, 0x08,         /*          Report Size (8),                */
2050x81, 0x02,         /*          Input (Variable),               */
2060x05, 0x01,         /*          Usage Page (Desktop),           */
2070x25, 0x07,         /*          Logical Maximum (7),            */
2080x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
2090x75, 0x04,         /*          Report Size (4),                */
2100x65, 0x14,         /*          Unit (Degrees),                 */
2110x09, 0x39,         /*          Usage (Hat Switch),             */
2120x81, 0x42,         /*          Input (Variable, Null State),   */
2130x75, 0x01,         /*          Report Size (1),                */
2140x95, 0x04,         /*          Report Count (4),               */
2150x65, 0x00,         /*          Unit,                           */
2160x06, 0x00, 0xFF,   /*          Usage Page (FF00h),             */
2170x09, 0x01,         /*          Usage (01h),                    */
2180x25, 0x01,         /*          Logical Maximum (1),            */
2190x45, 0x01,         /*          Physical Maximum (1),           */
2200x81, 0x02,         /*          Input (Variable),               */
2210x05, 0x01,         /*          Usage Page (Desktop),           */
2220x95, 0x01,         /*          Report Count (1),               */
2230x75, 0x08,         /*          Report Size (8),                */
2240x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
2250x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
2260x09, 0x31,         /*          Usage (Y),                      */
2270x81, 0x02,         /*          Input (Variable),               */
2280x09, 0x32,         /*          Usage (Z),                      */
2290x81, 0x02,         /*          Input (Variable),               */
2300xC0,               /*      End Collection,                     */
2310xA1, 0x02,         /*      Collection (Logical),               */
2320x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
2330x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
2340x95, 0x07,         /*          Report Count (7),               */
2350x75, 0x08,         /*          Report Size (8),                */
2360x09, 0x03,         /*          Usage (03h),                    */
2370x91, 0x02,         /*          Output (Variable),              */
2380xC0,               /*      End Collection,                     */
2390xC0                /*  End Collection                          */
240};
241
242static __u8 momo_rdesc_fixed[] = {
2430x05, 0x01,         /*  Usage Page (Desktop),               */
2440x09, 0x04,         /*  Usage (Joystick),                   */
2450xA1, 0x01,         /*  Collection (Application),           */
2460xA1, 0x02,         /*      Collection (Logical),           */
2470x95, 0x01,         /*          Report Count (1),           */
2480x75, 0x0A,         /*          Report Size (10),           */
2490x15, 0x00,         /*          Logical Minimum (0),        */
2500x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
2510x35, 0x00,         /*          Physical Minimum (0),       */
2520x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
2530x09, 0x30,         /*          Usage (X),                  */
2540x81, 0x02,         /*          Input (Variable),           */
2550x95, 0x08,         /*          Report Count (8),           */
2560x75, 0x01,         /*          Report Size (1),            */
2570x25, 0x01,         /*          Logical Maximum (1),        */
2580x45, 0x01,         /*          Physical Maximum (1),       */
2590x05, 0x09,         /*          Usage Page (Button),        */
2600x19, 0x01,         /*          Usage Minimum (01h),        */
2610x29, 0x08,         /*          Usage Maximum (08h),        */
2620x81, 0x02,         /*          Input (Variable),           */
2630x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
2640x75, 0x0E,         /*          Report Size (14),           */
2650x95, 0x01,         /*          Report Count (1),           */
2660x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
2670x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
2680x09, 0x00,         /*          Usage (00h),                */
2690x81, 0x02,         /*          Input (Variable),           */
2700x05, 0x01,         /*          Usage Page (Desktop),       */
2710x75, 0x08,         /*          Report Size (8),            */
2720x09, 0x31,         /*          Usage (Y),                  */
2730x81, 0x02,         /*          Input (Variable),           */
2740x09, 0x32,         /*          Usage (Z),                  */
2750x81, 0x02,         /*          Input (Variable),           */
2760x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
2770x09, 0x01,         /*          Usage (01h),                */
2780x81, 0x02,         /*          Input (Variable),           */
2790xC0,               /*      End Collection,                 */
2800xA1, 0x02,         /*      Collection (Logical),           */
2810x09, 0x02,         /*          Usage (02h),                */
2820x95, 0x07,         /*          Report Count (7),           */
2830x91, 0x02,         /*          Output (Variable),          */
2840xC0,               /*      End Collection,                 */
2850xC0                /*  End Collection                      */
286};
287
288static __u8 momo2_rdesc_fixed[] = {
2890x05, 0x01,         /*  Usage Page (Desktop),               */
2900x09, 0x04,         /*  Usage (Joystick),                   */
2910xA1, 0x01,         /*  Collection (Application),           */
2920xA1, 0x02,         /*      Collection (Logical),           */
2930x95, 0x01,         /*          Report Count (1),           */
2940x75, 0x0A,         /*          Report Size (10),           */
2950x15, 0x00,         /*          Logical Minimum (0),        */
2960x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
2970x35, 0x00,         /*          Physical Minimum (0),       */
2980x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
2990x09, 0x30,         /*          Usage (X),                  */
3000x81, 0x02,         /*          Input (Variable),           */
3010x95, 0x0A,         /*          Report Count (10),          */
3020x75, 0x01,         /*          Report Size (1),            */
3030x25, 0x01,         /*          Logical Maximum (1),        */
3040x45, 0x01,         /*          Physical Maximum (1),       */
3050x05, 0x09,         /*          Usage Page (Button),        */
3060x19, 0x01,         /*          Usage Minimum (01h),        */
3070x29, 0x0A,         /*          Usage Maximum (0Ah),        */
3080x81, 0x02,         /*          Input (Variable),           */
3090x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
3100x09, 0x00,         /*          Usage (00h),                */
3110x95, 0x04,         /*          Report Count (4),           */
3120x81, 0x02,         /*          Input (Variable),           */
3130x95, 0x01,         /*          Report Count (1),           */
3140x75, 0x08,         /*          Report Size (8),            */
3150x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
3160x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
3170x09, 0x01,         /*          Usage (01h),                */
3180x81, 0x02,         /*          Input (Variable),           */
3190x05, 0x01,         /*          Usage Page (Desktop),       */
3200x09, 0x31,         /*          Usage (Y),                  */
3210x81, 0x02,         /*          Input (Variable),           */
3220x09, 0x32,         /*          Usage (Z),                  */
3230x81, 0x02,         /*          Input (Variable),           */
3240x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
3250x09, 0x00,         /*          Usage (00h),                */
3260x81, 0x02,         /*          Input (Variable),           */
3270xC0,               /*      End Collection,                 */
3280xA1, 0x02,         /*      Collection (Logical),           */
3290x09, 0x02,         /*          Usage (02h),                */
3300x95, 0x07,         /*          Report Count (7),           */
3310x91, 0x02,         /*          Output (Variable),          */
3320xC0,               /*      End Collection,                 */
3330xC0                /*  End Collection                      */
334};
335
336static __u8 ffg_rdesc_fixed[] = {
3370x05, 0x01,         /*  Usage Page (Desktop),               */
3380x09, 0x04,         /*  Usage (Joystik),                    */
3390xA1, 0x01,         /*  Collection (Application),           */
3400xA1, 0x02,         /*      Collection (Logical),           */
3410x95, 0x01,         /*          Report Count (1),           */
3420x75, 0x0A,         /*          Report Size (10),           */
3430x15, 0x00,         /*          Logical Minimum (0),        */
3440x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
3450x35, 0x00,         /*          Physical Minimum (0),       */
3460x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
3470x09, 0x30,         /*          Usage (X),                  */
3480x81, 0x02,         /*          Input (Variable),           */
3490x95, 0x06,         /*          Report Count (6),           */
3500x75, 0x01,         /*          Report Size (1),            */
3510x25, 0x01,         /*          Logical Maximum (1),        */
3520x45, 0x01,         /*          Physical Maximum (1),       */
3530x05, 0x09,         /*          Usage Page (Button),        */
3540x19, 0x01,         /*          Usage Minimum (01h),        */
3550x29, 0x06,         /*          Usage Maximum (06h),        */
3560x81, 0x02,         /*          Input (Variable),           */
3570x95, 0x01,         /*          Report Count (1),           */
3580x75, 0x08,         /*          Report Size (8),            */
3590x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
3600x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
3610x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
3620x09, 0x01,         /*          Usage (01h),                */
3630x81, 0x02,         /*          Input (Variable),           */
3640x05, 0x01,         /*          Usage Page (Desktop),       */
3650x81, 0x01,         /*          Input (Constant),           */
3660x09, 0x31,         /*          Usage (Y),                  */
3670x81, 0x02,         /*          Input (Variable),           */
3680x09, 0x32,         /*          Usage (Z),                  */
3690x81, 0x02,         /*          Input (Variable),           */
3700x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
3710x09, 0x01,         /*          Usage (01h),                */
3720x81, 0x02,         /*          Input (Variable),           */
3730xC0,               /*      End Collection,                 */
3740xA1, 0x02,         /*      Collection (Logical),           */
3750x09, 0x02,         /*          Usage (02h),                */
3760x95, 0x07,         /*          Report Count (7),           */
3770x91, 0x02,         /*          Output (Variable),          */
3780xC0,               /*      End Collection,                 */
3790xC0                /*  End Collection                      */
380};
381
382static __u8 fg_rdesc_fixed[] = {
3830x05, 0x01,         /*  Usage Page (Desktop),               */
3840x09, 0x04,         /*  Usage (Joystik),                    */
3850xA1, 0x01,         /*  Collection (Application),           */
3860xA1, 0x02,         /*      Collection (Logical),           */
3870x15, 0x00,         /*          Logical Minimum (0),        */
3880x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
3890x35, 0x00,         /*          Physical Minimum (0),       */
3900x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
3910x75, 0x08,         /*          Report Size (8),            */
3920x95, 0x01,         /*          Report Count (1),           */
3930x09, 0x30,         /*          Usage (X),                  */
3940x81, 0x02,         /*          Input (Variable),           */
3950xA4,               /*  Push,                               */
3960x25, 0x01,         /*          Logical Maximum (1),        */
3970x45, 0x01,         /*          Physical Maximum (1),       */
3980x75, 0x01,         /*          Report Size (1),            */
3990x95, 0x02,         /*          Report Count (2),           */
4000x81, 0x01,         /*          Input (Constant),           */
4010x95, 0x06,         /*          Report Count (6),           */
4020x05, 0x09,         /*          Usage Page (Button),        */
4030x19, 0x01,         /*          Usage Minimum (01h),        */
4040x29, 0x06,         /*          Usage Maximum (06h),        */
4050x81, 0x02,         /*          Input (Variable),           */
4060x05, 0x01,         /*          Usage Page (Desktop),       */
4070xB4,               /*  Pop,                                */
4080x81, 0x02,         /*          Input (Constant),           */
4090x09, 0x31,         /*          Usage (Y),                  */
4100x81, 0x02,         /*          Input (Variable),           */
4110x09, 0x32,         /*          Usage (Z),                  */
4120x81, 0x02,         /*          Input (Variable),           */
4130xC0,               /*      End Collection,                 */
4140xA1, 0x02,         /*      Collection (Logical),           */
4150x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
4160x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
4170x75, 0x08,         /*          Report Size (8),            */
4180x95, 0x04,         /*          Report Count (4),           */
4190x09, 0x02,         /*          Usage (02h),                */
4200xB1, 0x02,         /*          Feature (Variable),         */
4210xC0,               /*      End Collection,                 */
4220xC0                /*  End Collection,                     */
423};
424
425/*
426 * Certain Logitech keyboards send in report #3 keys which are far
427 * above the logical maximum described in descriptor. This extends
428 * the original value of 0x28c of logical maximum to 0x104d
429 */
430static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
431		unsigned int *rsize)
432{
433	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
 
 
434
435	if ((drv_data->quirks & LG_RDESC) && *rsize >= 91 && rdesc[83] == 0x26 &&
436			rdesc[84] == 0x8c && rdesc[85] == 0x02) {
437		hid_info(hdev,
438			 "fixing up Logitech keyboard report descriptor\n");
439		rdesc[84] = rdesc[89] = 0x4d;
440		rdesc[85] = rdesc[90] = 0x10;
441	}
442	if ((drv_data->quirks & LG_RDESC_REL_ABS) && *rsize >= 51 &&
443			rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
444			rdesc[49] == 0x81 && rdesc[50] == 0x06) {
445		hid_info(hdev,
446			 "fixing up rel/abs in Logitech report descriptor\n");
447		rdesc[33] = rdesc[50] = 0x02;
448	}
449
450	switch (hdev->product) {
451
452	case USB_DEVICE_ID_LOGITECH_WINGMAN_FG:
453		if (*rsize == FG_RDESC_ORIG_SIZE) {
454			hid_info(hdev,
455				"fixing up Logitech Wingman Formula GP report descriptor\n");
456			rdesc = fg_rdesc_fixed;
457			*rsize = sizeof(fg_rdesc_fixed);
458		} else {
459			hid_info(hdev,
460				"rdesc size test failed for formula gp\n");
461		}
462		break;
463
464
465	case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
466		if (*rsize == FFG_RDESC_ORIG_SIZE) {
467			hid_info(hdev,
468				"fixing up Logitech Wingman Formula Force GP report descriptor\n");
469			rdesc = ffg_rdesc_fixed;
470			*rsize = sizeof(ffg_rdesc_fixed);
471		}
472		break;
473
474	/* Several wheels report as this id when operating in emulation mode. */
475	case USB_DEVICE_ID_LOGITECH_WHEEL:
476		if (*rsize == DF_RDESC_ORIG_SIZE) {
 
 
 
 
 
 
 
 
 
 
 
477			hid_info(hdev,
478				"fixing up Logitech Driving Force report descriptor\n");
479			rdesc = df_rdesc_fixed;
480			*rsize = sizeof(df_rdesc_fixed);
481		}
482		break;
483
484	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
485		if (*rsize == MOMO_RDESC_ORIG_SIZE) {
486			hid_info(hdev,
487				"fixing up Logitech Momo Force (Red) report descriptor\n");
488			rdesc = momo_rdesc_fixed;
489			*rsize = sizeof(momo_rdesc_fixed);
490		}
491		break;
492
493	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
494		if (*rsize == MOMO2_RDESC_ORIG_SIZE) {
495			hid_info(hdev,
496				"fixing up Logitech Momo Racing Force (Black) report descriptor\n");
497			rdesc = momo2_rdesc_fixed;
498			*rsize = sizeof(momo2_rdesc_fixed);
499		}
500		break;
501
502	case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
503		if (*rsize == FV_RDESC_ORIG_SIZE) {
504			hid_info(hdev,
505				"fixing up Logitech Formula Vibration report descriptor\n");
506			rdesc = fv_rdesc_fixed;
507			*rsize = sizeof(fv_rdesc_fixed);
508		}
509		break;
510
511	case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
512		if (*rsize == DFP_RDESC_ORIG_SIZE) {
513			hid_info(hdev,
514				"fixing up Logitech Driving Force Pro report descriptor\n");
515			rdesc = dfp_rdesc_fixed;
516			*rsize = sizeof(dfp_rdesc_fixed);
517		}
518		break;
519
520	case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
521		if (*rsize >= 101 && rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
522				rdesc[47] == 0x05 && rdesc[48] == 0x09) {
523			hid_info(hdev, "fixing up Logitech Speed Force Wireless report descriptor\n");
524			rdesc[41] = 0x05;
525			rdesc[42] = 0x09;
526			rdesc[47] = 0x95;
527			rdesc[48] = 0x0B;
528		}
529		break;
530	}
531
532	return rdesc;
533}
534
535#define lg_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
536		EV_KEY, (c))
537
538static int lg_ultrax_remote_mapping(struct hid_input *hi,
539		struct hid_usage *usage, unsigned long **bit, int *max)
540{
541	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
542		return 0;
543
544	set_bit(EV_REP, hi->input->evbit);
545	switch (usage->hid & HID_USAGE) {
546	/* Reported on Logitech Ultra X Media Remote */
547	case 0x004: lg_map_key_clear(KEY_AGAIN);	break;
548	case 0x00d: lg_map_key_clear(KEY_HOME);		break;
549	case 0x024: lg_map_key_clear(KEY_SHUFFLE);	break;
550	case 0x025: lg_map_key_clear(KEY_TV);		break;
551	case 0x026: lg_map_key_clear(KEY_MENU);		break;
552	case 0x031: lg_map_key_clear(KEY_AUDIO);	break;
553	case 0x032: lg_map_key_clear(KEY_TEXT);		break;
554	case 0x033: lg_map_key_clear(KEY_LAST);		break;
555	case 0x047: lg_map_key_clear(KEY_MP3);		break;
556	case 0x048: lg_map_key_clear(KEY_DVD);		break;
557	case 0x049: lg_map_key_clear(KEY_MEDIA);	break;
558	case 0x04a: lg_map_key_clear(KEY_VIDEO);	break;
559	case 0x04b: lg_map_key_clear(KEY_ANGLE);	break;
560	case 0x04c: lg_map_key_clear(KEY_LANGUAGE);	break;
561	case 0x04d: lg_map_key_clear(KEY_SUBTITLE);	break;
562	case 0x051: lg_map_key_clear(KEY_RED);		break;
563	case 0x052: lg_map_key_clear(KEY_CLOSE);	break;
564
565	default:
566		return 0;
567	}
568	return 1;
569}
570
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
571static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
572		unsigned long **bit, int *max)
573{
574	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
575		return 0;
576
577	switch (usage->hid & HID_USAGE) {
578	case 0x1001: lg_map_key_clear(KEY_MESSENGER);		break;
579	case 0x1003: lg_map_key_clear(KEY_SOUND);		break;
580	case 0x1004: lg_map_key_clear(KEY_VIDEO);		break;
581	case 0x1005: lg_map_key_clear(KEY_AUDIO);		break;
582	case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);		break;
583	/* The following two entries are Playlist 1 and 2 on the MX3200 */
584	case 0x100f: lg_map_key_clear(KEY_FN_1);		break;
585	case 0x1010: lg_map_key_clear(KEY_FN_2);		break;
586	case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);	break;
587	case 0x1012: lg_map_key_clear(KEY_NEXTSONG);		break;
588	case 0x1013: lg_map_key_clear(KEY_CAMERA);		break;
589	case 0x1014: lg_map_key_clear(KEY_MESSENGER);		break;
590	case 0x1015: lg_map_key_clear(KEY_RECORD);		break;
591	case 0x1016: lg_map_key_clear(KEY_PLAYER);		break;
592	case 0x1017: lg_map_key_clear(KEY_EJECTCD);		break;
593	case 0x1018: lg_map_key_clear(KEY_MEDIA);		break;
594	case 0x1019: lg_map_key_clear(KEY_PROG1);		break;
595	case 0x101a: lg_map_key_clear(KEY_PROG2);		break;
596	case 0x101b: lg_map_key_clear(KEY_PROG3);		break;
597	case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
598	case 0x101f: lg_map_key_clear(KEY_ZOOMIN);		break;
599	case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);		break;
600	case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);		break;
601	case 0x1023: lg_map_key_clear(KEY_CLOSE);		break;
602	case 0x1027: lg_map_key_clear(KEY_MENU);		break;
603	/* this one is marked as 'Rotate' */
604	case 0x1028: lg_map_key_clear(KEY_ANGLE);		break;
605	case 0x1029: lg_map_key_clear(KEY_SHUFFLE);		break;
606	case 0x102a: lg_map_key_clear(KEY_BACK);		break;
607	case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
608	case 0x102d: lg_map_key_clear(KEY_WWW);			break;
609	/* The following two are 'Start/answer call' and 'End/reject call'
610	   on the MX3200 */
611	case 0x1031: lg_map_key_clear(KEY_OK);			break;
612	case 0x1032: lg_map_key_clear(KEY_CANCEL);		break;
613	case 0x1041: lg_map_key_clear(KEY_BATTERY);		break;
614	case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);	break;
615	case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);		break;
616	case 0x1044: lg_map_key_clear(KEY_PRESENTATION);	break;
617	case 0x1045: lg_map_key_clear(KEY_UNDO);		break;
618	case 0x1046: lg_map_key_clear(KEY_REDO);		break;
619	case 0x1047: lg_map_key_clear(KEY_PRINT);		break;
620	case 0x1048: lg_map_key_clear(KEY_SAVE);		break;
621	case 0x1049: lg_map_key_clear(KEY_PROG1);		break;
622	case 0x104a: lg_map_key_clear(KEY_PROG2);		break;
623	case 0x104b: lg_map_key_clear(KEY_PROG3);		break;
624	case 0x104c: lg_map_key_clear(KEY_PROG4);		break;
625
626	default:
627		return 0;
628	}
629	return 1;
630}
631
632static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
633		struct hid_field *field, struct hid_usage *usage,
634		unsigned long **bit, int *max)
635{
636	/* extended mapping for certain Logitech hardware (Logitech cordless
637	   desktop LX500) */
638	static const u8 e_keymap[] = {
639		  0,216,  0,213,175,156,  0,  0,  0,  0,
640		144,  0,  0,  0,  0,  0,  0,  0,  0,212,
641		174,167,152,161,112,  0,  0,  0,154,  0,
642		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
643		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
644		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
645		  0,  0,  0,  0,  0,183,184,185,186,187,
646		188,189,190,191,192,193,194,  0,  0,  0
647	};
648	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
649	unsigned int hid = usage->hid;
650
651	if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
652			lg_ultrax_remote_mapping(hi, usage, bit, max))
653		return 1;
654
 
 
 
 
655	if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
656		return 1;
657
658	if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
659		return 0;
660
661	hid &= HID_USAGE;
662
663	/* Special handling for Logitech Cordless Desktop */
664	if (field->application == HID_GD_MOUSE) {
665		if ((drv_data->quirks & LG_IGNORE_DOUBLED_WHEEL) &&
666				(hid == 7 || hid == 8))
667			return -1;
668	} else {
669		if ((drv_data->quirks & LG_EXPANDED_KEYMAP) &&
670				hid < ARRAY_SIZE(e_keymap) &&
671				e_keymap[hid] != 0) {
672			hid_map_usage(hi, usage, bit, max, EV_KEY,
673					e_keymap[hid]);
674			return 1;
675		}
676	}
677
678	return 0;
679}
680
681static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
682		struct hid_field *field, struct hid_usage *usage,
683		unsigned long **bit, int *max)
684{
685	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
686
687	if ((drv_data->quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
688			(field->flags & HID_MAIN_ITEM_RELATIVE))
689		field->flags &= ~HID_MAIN_ITEM_RELATIVE;
690
691	if ((drv_data->quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
692			 usage->type == EV_REL || usage->type == EV_ABS))
693		clear_bit(usage->code, *bit);
694
695	/* Ensure that Logitech wheels are not given a default fuzz/flat value */
696	if (usage->type == EV_ABS && (usage->code == ABS_X ||
697			usage->code == ABS_Y || usage->code == ABS_Z ||
698			usage->code == ABS_RZ)) {
699		switch (hdev->product) {
700		case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
701		case USB_DEVICE_ID_LOGITECH_WINGMAN_FG:
702		case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
703		case USB_DEVICE_ID_LOGITECH_WHEEL:
704		case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
705		case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
706		case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
707		case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
708		case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
709		case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
710		case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
711		case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
712			field->application = HID_GD_MULTIAXIS;
713			break;
714		default:
715			break;
716		}
717	}
718
719	return 0;
720}
721
722static int lg_event(struct hid_device *hdev, struct hid_field *field,
723		struct hid_usage *usage, __s32 value)
724{
725	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
726
727	if ((drv_data->quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
728		input_event(field->hidinput->input, usage->type, usage->code,
729				-value);
730		return 1;
731	}
732	if (drv_data->quirks & LG_FF4) {
733		return lg4ff_adjust_input_event(hdev, field, usage, value, drv_data);
734	}
735
736	return 0;
737}
738
739static int lg_raw_event(struct hid_device *hdev, struct hid_report *report,
740		u8 *rd, int size)
741{
742	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
743
744	if (drv_data->quirks & LG_FF4)
745		return lg4ff_raw_event(hdev, report, rd, size, drv_data);
746
747	return 0;
748}
749
750static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
751{
752	struct usb_interface *iface;
753	__u8 iface_num;
754	unsigned int connect_mask = HID_CONNECT_DEFAULT;
755	struct lg_drv_data *drv_data;
756	int ret;
757
758	if (!hid_is_usb(hdev))
759		return -EINVAL;
760
761	iface = to_usb_interface(hdev->dev.parent);
762	iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
763
764	/* G29 only work with the 1st interface */
765	if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&
766	    (iface_num != 0)) {
767		dbg_hid("%s: ignoring ifnum %d\n", __func__, iface_num);
768		return -ENODEV;
769	}
770
771	drv_data = kzalloc(sizeof(struct lg_drv_data), GFP_KERNEL);
772	if (!drv_data) {
773		hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
774		return -ENOMEM;
775	}
776	drv_data->quirks = id->driver_data;
777
778	hid_set_drvdata(hdev, (void *)drv_data);
779
780	if (drv_data->quirks & LG_NOGET)
781		hdev->quirks |= HID_QUIRK_NOGET;
782
783	ret = hid_parse(hdev);
784	if (ret) {
785		hid_err(hdev, "parse failed\n");
786		goto err_free;
787	}
788
789	if (drv_data->quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))
790		connect_mask &= ~HID_CONNECT_FF;
791
792	ret = hid_hw_start(hdev, connect_mask);
793	if (ret) {
794		hid_err(hdev, "hw start failed\n");
795		goto err_free;
796	}
797
798	/* Setup wireless link with Logitech Wii wheel */
799	if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
800		static const unsigned char cbuf[] = {
801			0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
802		};
803		u8 *buf = kmemdup(cbuf, sizeof(cbuf), GFP_KERNEL);
804
805		if (!buf) {
806			ret = -ENOMEM;
807			goto err_stop;
808		}
809
810		ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
811					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
 
812		if (ret >= 0) {
813			/* insert a little delay of 10 jiffies ~ 40ms */
814			wait_queue_head_t wait;
815			init_waitqueue_head (&wait);
816			wait_event_interruptible_timeout(wait, 0,
817							 msecs_to_jiffies(40));
818
819			/* Select random Address */
820			buf[1] = 0xB2;
821			get_random_bytes(&buf[2], 2);
822
823			ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
824					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
825		}
826		kfree(buf);
827	}
828
829	if (drv_data->quirks & LG_FF)
830		ret = lgff_init(hdev);
831	else if (drv_data->quirks & LG_FF2)
832		ret = lg2ff_init(hdev);
833	else if (drv_data->quirks & LG_FF3)
834		ret = lg3ff_init(hdev);
835	else if (drv_data->quirks & LG_FF4)
836		ret = lg4ff_init(hdev);
837
838	if (ret)
839		goto err_stop;
840
841	return 0;
842
843err_stop:
844	hid_hw_stop(hdev);
845err_free:
846	kfree(drv_data);
847	return ret;
848}
849
850static void lg_remove(struct hid_device *hdev)
851{
852	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
853	if (drv_data->quirks & LG_FF4)
854		lg4ff_deinit(hdev);
 
855	hid_hw_stop(hdev);
856	kfree(drv_data);
857}
858
859static const struct hid_device_id lg_devices[] = {
 
 
860	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
861		.driver_data = LG_RDESC | LG_WIRELESS },
 
 
862
863	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
864		.driver_data = LG_BAD_RELATIVE_KEYS },
865
866	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
867		.driver_data = LG_DUPLICATE_USAGES },
 
 
 
 
868
869	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
870		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
871	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
872		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
873
874	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
875		.driver_data = LG_NOGET },
876	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION),
877		.driver_data = LG_NOGET },
878	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
879		.driver_data = LG_NOGET | LG_FF4 },
880
881	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD),
882		.driver_data = LG_FF2 },
883	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
884		.driver_data = LG_FF },
885	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
886		.driver_data = LG_FF },
887	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL),
888		.driver_data = LG_FF4 },
889	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
890		.driver_data = LG_FF },
891	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
892		.driver_data = LG_FF },
893	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
894		.driver_data = LG_NOGET | LG_FF4 },
895	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
896		.driver_data = LG_FF4 },
897	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL),
898		.driver_data = LG_FF2 },
899	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
900		.driver_data = LG_FF4 },
901	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL),
902		.driver_data = LG_FF4 },
903	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL),
904		.driver_data = LG_FF4 },
905	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL),
906		.driver_data = LG_NOGET | LG_FF4 },
907	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
908		.driver_data = LG_FF4 },
909	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FG),
910		.driver_data = LG_NOGET },
911	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
912		.driver_data = LG_NOGET | LG_FF4 },
913	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
914		.driver_data = LG_NOGET | LG_FF2 },
915	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
916		.driver_data = LG_FF3 },
917	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
918		.driver_data = LG_RDESC_REL_ABS },
919	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
920		.driver_data = LG_RDESC_REL_ABS },
921	{ }
922};
923
924MODULE_DEVICE_TABLE(hid, lg_devices);
925
926static struct hid_driver lg_driver = {
927	.name = "logitech",
928	.id_table = lg_devices,
929	.report_fixup = lg_report_fixup,
930	.input_mapping = lg_input_mapping,
931	.input_mapped = lg_input_mapped,
932	.event = lg_event,
933	.raw_event = lg_raw_event,
934	.probe = lg_probe,
935	.remove = lg_remove,
936};
937module_hid_driver(lg_driver);
938
939#ifdef CONFIG_LOGIWHEELS_FF
940int lg4ff_no_autoswitch = 0;
941module_param_named(lg4ff_no_autoswitch, lg4ff_no_autoswitch, int, S_IRUGO);
942MODULE_PARM_DESC(lg4ff_no_autoswitch, "Do not switch multimode wheels to their native mode automatically");
943#endif
944
945MODULE_LICENSE("GPL");
v3.15
 
  1/*
  2 *  HID driver for some logitech "special" devices
  3 *
  4 *  Copyright (c) 1999 Andreas Gal
  5 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  6 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
  7 *  Copyright (c) 2006-2007 Jiri Kosina
  8 *  Copyright (c) 2008 Jiri Slaby
  9 *  Copyright (c) 2010 Hendrik Iben
 10 */
 11
 12/*
 13 * This program is free software; you can redistribute it and/or modify it
 14 * under the terms of the GNU General Public License as published by the Free
 15 * Software Foundation; either version 2 of the License, or (at your option)
 16 * any later version.
 17 */
 18
 19#include <linux/device.h>
 20#include <linux/hid.h>
 21#include <linux/module.h>
 22#include <linux/random.h>
 23#include <linux/sched.h>
 24#include <linux/usb.h>
 25#include <linux/wait.h>
 26
 27#include "usbhid/usbhid.h"
 28#include "hid-ids.h"
 29#include "hid-lg.h"
 
 30
 31#define LG_RDESC		0x001
 32#define LG_BAD_RELATIVE_KEYS	0x002
 33#define LG_DUPLICATE_USAGES	0x004
 34#define LG_EXPANDED_KEYMAP	0x010
 35#define LG_IGNORE_DOUBLED_WHEEL	0x020
 36#define LG_WIRELESS		0x040
 37#define LG_INVERT_HWHEEL	0x080
 38#define LG_NOGET		0x100
 39#define LG_FF			0x200
 40#define LG_FF2			0x400
 41#define LG_RDESC_REL_ABS	0x800
 42#define LG_FF3			0x1000
 43#define LG_FF4			0x2000
 44
 45/* Size of the original descriptors of the Driving Force (and Pro) wheels */
 46#define DF_RDESC_ORIG_SIZE	130
 47#define DFP_RDESC_ORIG_SIZE	97
 48#define FV_RDESC_ORIG_SIZE	130
 49#define MOMO_RDESC_ORIG_SIZE	87
 50#define MOMO2_RDESC_ORIG_SIZE	87
 
 
 51
 52/* Fixed report descriptors for Logitech Driving Force (and Pro)
 53 * wheel controllers
 54 *
 55 * The original descriptors hide the separate throttle and brake axes in
 56 * a custom vendor usage page, providing only a combined value as
 57 * GenericDesktop.Y.
 58 * These descriptors remove the combined Y axis and instead report
 59 * separate throttle (Y) and brake (RZ).
 60 */
 61static __u8 df_rdesc_fixed[] = {
 620x05, 0x01,         /*  Usage Page (Desktop),                   */
 630x09, 0x04,         /*  Usage (Joystik),                        */
 640xA1, 0x01,         /*  Collection (Application),               */
 650xA1, 0x02,         /*      Collection (Logical),               */
 660x95, 0x01,         /*          Report Count (1),               */
 670x75, 0x0A,         /*          Report Size (10),               */
 680x14,               /*          Logical Minimum (0),            */
 690x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
 700x34,               /*          Physical Minimum (0),           */
 710x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
 720x09, 0x30,         /*          Usage (X),                      */
 730x81, 0x02,         /*          Input (Variable),               */
 740x95, 0x0C,         /*          Report Count (12),              */
 750x75, 0x01,         /*          Report Size (1),                */
 760x25, 0x01,         /*          Logical Maximum (1),            */
 770x45, 0x01,         /*          Physical Maximum (1),           */
 780x05, 0x09,         /*          Usage (Buttons),                */
 790x19, 0x01,         /*          Usage Minimum (1),              */
 800x29, 0x0c,         /*          Usage Maximum (12),             */
 810x81, 0x02,         /*          Input (Variable),               */
 820x95, 0x02,         /*          Report Count (2),               */
 830x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
 840x09, 0x01,         /*          Usage (?: 1),                   */
 850x81, 0x02,         /*          Input (Variable),               */
 860x05, 0x01,         /*          Usage Page (Desktop),           */
 870x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
 880x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
 890x95, 0x01,         /*          Report Count (1),               */
 900x75, 0x08,         /*          Report Size (8),                */
 910x81, 0x02,         /*          Input (Variable),               */
 920x25, 0x07,         /*          Logical Maximum (7),            */
 930x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
 940x75, 0x04,         /*          Report Size (4),                */
 950x65, 0x14,         /*          Unit (Degrees),                 */
 960x09, 0x39,         /*          Usage (Hat Switch),             */
 970x81, 0x42,         /*          Input (Variable, Null State),   */
 980x75, 0x01,         /*          Report Size (1),                */
 990x95, 0x04,         /*          Report Count (4),               */
1000x65, 0x00,         /*          Unit (none),                    */
1010x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
1020x09, 0x01,         /*          Usage (?: 1),                   */
1030x25, 0x01,         /*          Logical Maximum (1),            */
1040x45, 0x01,         /*          Physical Maximum (1),           */
1050x81, 0x02,         /*          Input (Variable),               */
1060x05, 0x01,         /*          Usage Page (Desktop),           */
1070x95, 0x01,         /*          Report Count (1),               */
1080x75, 0x08,         /*          Report Size (8),                */
1090x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
1100x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
1110x09, 0x31,         /*          Usage (Y),                      */
1120x81, 0x02,         /*          Input (Variable),               */
1130x09, 0x35,         /*          Usage (Rz),                     */
1140x81, 0x02,         /*          Input (Variable),               */
1150xC0,               /*      End Collection,                     */
1160xA1, 0x02,         /*      Collection (Logical),               */
1170x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
1180x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
1190x95, 0x07,         /*          Report Count (7),               */
1200x75, 0x08,         /*          Report Size (8),                */
1210x09, 0x03,         /*          Usage (?: 3),                   */
1220x91, 0x02,         /*          Output (Variable),              */
1230xC0,               /*      End Collection,                     */
1240xC0                /*  End Collection                          */
125};
126
127static __u8 dfp_rdesc_fixed[] = {
1280x05, 0x01,         /*  Usage Page (Desktop),                   */
1290x09, 0x04,         /*  Usage (Joystik),                        */
1300xA1, 0x01,         /*  Collection (Application),               */
1310xA1, 0x02,         /*      Collection (Logical),               */
1320x95, 0x01,         /*          Report Count (1),               */
1330x75, 0x0E,         /*          Report Size (14),               */
1340x14,               /*          Logical Minimum (0),            */
1350x26, 0xFF, 0x3F,   /*          Logical Maximum (16383),        */
1360x34,               /*          Physical Minimum (0),           */
1370x46, 0xFF, 0x3F,   /*          Physical Maximum (16383),       */
1380x09, 0x30,         /*          Usage (X),                      */
1390x81, 0x02,         /*          Input (Variable),               */
1400x95, 0x0E,         /*          Report Count (14),              */
1410x75, 0x01,         /*          Report Size (1),                */
1420x25, 0x01,         /*          Logical Maximum (1),            */
1430x45, 0x01,         /*          Physical Maximum (1),           */
1440x05, 0x09,         /*          Usage Page (Button),            */
1450x19, 0x01,         /*          Usage Minimum (01h),            */
1460x29, 0x0E,         /*          Usage Maximum (0Eh),            */
1470x81, 0x02,         /*          Input (Variable),               */
1480x05, 0x01,         /*          Usage Page (Desktop),           */
1490x95, 0x01,         /*          Report Count (1),               */
1500x75, 0x04,         /*          Report Size (4),                */
1510x25, 0x07,         /*          Logical Maximum (7),            */
1520x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
1530x65, 0x14,         /*          Unit (Degrees),                 */
1540x09, 0x39,         /*          Usage (Hat Switch),             */
1550x81, 0x42,         /*          Input (Variable, Nullstate),    */
1560x65, 0x00,         /*          Unit,                           */
1570x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
1580x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
1590x75, 0x08,         /*          Report Size (8),                */
1600x81, 0x01,         /*          Input (Constant),               */
1610x09, 0x31,         /*          Usage (Y),                      */
1620x81, 0x02,         /*          Input (Variable),               */
1630x09, 0x35,         /*          Usage (Rz),                     */
1640x81, 0x02,         /*          Input (Variable),               */
1650x81, 0x01,         /*          Input (Constant),               */
1660xC0,               /*      End Collection,                     */
1670xA1, 0x02,         /*      Collection (Logical),               */
1680x09, 0x02,         /*          Usage (02h),                    */
1690x95, 0x07,         /*          Report Count (7),               */
1700x91, 0x02,         /*          Output (Variable),              */
1710xC0,               /*      End Collection,                     */
1720xC0                /*  End Collection                          */
173};
174
175static __u8 fv_rdesc_fixed[] = {
1760x05, 0x01,         /*  Usage Page (Desktop),                   */
1770x09, 0x04,         /*  Usage (Joystik),                        */
1780xA1, 0x01,         /*  Collection (Application),               */
1790xA1, 0x02,         /*      Collection (Logical),               */
1800x95, 0x01,         /*          Report Count (1),               */
1810x75, 0x0A,         /*          Report Size (10),               */
1820x15, 0x00,         /*          Logical Minimum (0),            */
1830x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
1840x35, 0x00,         /*          Physical Minimum (0),           */
1850x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
1860x09, 0x30,         /*          Usage (X),                      */
1870x81, 0x02,         /*          Input (Variable),               */
1880x95, 0x0C,         /*          Report Count (12),              */
1890x75, 0x01,         /*          Report Size (1),                */
1900x25, 0x01,         /*          Logical Maximum (1),            */
1910x45, 0x01,         /*          Physical Maximum (1),           */
1920x05, 0x09,         /*          Usage Page (Button),            */
1930x19, 0x01,         /*          Usage Minimum (01h),            */
1940x29, 0x0C,         /*          Usage Maximum (0Ch),            */
1950x81, 0x02,         /*          Input (Variable),               */
1960x95, 0x02,         /*          Report Count (2),               */
1970x06, 0x00, 0xFF,   /*          Usage Page (FF00h),             */
1980x09, 0x01,         /*          Usage (01h),                    */
1990x81, 0x02,         /*          Input (Variable),               */
2000x09, 0x02,         /*          Usage (02h),                    */
2010x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
2020x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
2030x95, 0x01,         /*          Report Count (1),               */
2040x75, 0x08,         /*          Report Size (8),                */
2050x81, 0x02,         /*          Input (Variable),               */
2060x05, 0x01,         /*          Usage Page (Desktop),           */
2070x25, 0x07,         /*          Logical Maximum (7),            */
2080x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
2090x75, 0x04,         /*          Report Size (4),                */
2100x65, 0x14,         /*          Unit (Degrees),                 */
2110x09, 0x39,         /*          Usage (Hat Switch),             */
2120x81, 0x42,         /*          Input (Variable, Null State),   */
2130x75, 0x01,         /*          Report Size (1),                */
2140x95, 0x04,         /*          Report Count (4),               */
2150x65, 0x00,         /*          Unit,                           */
2160x06, 0x00, 0xFF,   /*          Usage Page (FF00h),             */
2170x09, 0x01,         /*          Usage (01h),                    */
2180x25, 0x01,         /*          Logical Maximum (1),            */
2190x45, 0x01,         /*          Physical Maximum (1),           */
2200x81, 0x02,         /*          Input (Variable),               */
2210x05, 0x01,         /*          Usage Page (Desktop),           */
2220x95, 0x01,         /*          Report Count (1),               */
2230x75, 0x08,         /*          Report Size (8),                */
2240x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
2250x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
2260x09, 0x31,         /*          Usage (Y),                      */
2270x81, 0x02,         /*          Input (Variable),               */
2280x09, 0x32,         /*          Usage (Z),                      */
2290x81, 0x02,         /*          Input (Variable),               */
2300xC0,               /*      End Collection,                     */
2310xA1, 0x02,         /*      Collection (Logical),               */
2320x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
2330x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
2340x95, 0x07,         /*          Report Count (7),               */
2350x75, 0x08,         /*          Report Size (8),                */
2360x09, 0x03,         /*          Usage (03h),                    */
2370x91, 0x02,         /*          Output (Variable),              */
2380xC0,               /*      End Collection,                     */
2390xC0                /*  End Collection                          */
240};
241
242static __u8 momo_rdesc_fixed[] = {
2430x05, 0x01,         /*  Usage Page (Desktop),               */
2440x09, 0x04,         /*  Usage (Joystik),                    */
2450xA1, 0x01,         /*  Collection (Application),           */
2460xA1, 0x02,         /*      Collection (Logical),           */
2470x95, 0x01,         /*          Report Count (1),           */
2480x75, 0x0A,         /*          Report Size (10),           */
2490x15, 0x00,         /*          Logical Minimum (0),        */
2500x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
2510x35, 0x00,         /*          Physical Minimum (0),       */
2520x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
2530x09, 0x30,         /*          Usage (X),                  */
2540x81, 0x02,         /*          Input (Variable),           */
2550x95, 0x08,         /*          Report Count (8),           */
2560x75, 0x01,         /*          Report Size (1),            */
2570x25, 0x01,         /*          Logical Maximum (1),        */
2580x45, 0x01,         /*          Physical Maximum (1),       */
2590x05, 0x09,         /*          Usage Page (Button),        */
2600x19, 0x01,         /*          Usage Minimum (01h),        */
2610x29, 0x08,         /*          Usage Maximum (08h),        */
2620x81, 0x02,         /*          Input (Variable),           */
2630x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
2640x75, 0x0E,         /*          Report Size (14),           */
2650x95, 0x01,         /*          Report Count (1),           */
2660x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
2670x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
2680x09, 0x00,         /*          Usage (00h),                */
2690x81, 0x02,         /*          Input (Variable),           */
2700x05, 0x01,         /*          Usage Page (Desktop),       */
2710x75, 0x08,         /*          Report Size (8),            */
2720x09, 0x31,         /*          Usage (Y),                  */
2730x81, 0x02,         /*          Input (Variable),           */
2740x09, 0x32,         /*          Usage (Z),                  */
2750x81, 0x02,         /*          Input (Variable),           */
2760x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
2770x09, 0x01,         /*          Usage (01h),                */
2780x81, 0x02,         /*          Input (Variable),           */
2790xC0,               /*      End Collection,                 */
2800xA1, 0x02,         /*      Collection (Logical),           */
2810x09, 0x02,         /*          Usage (02h),                */
2820x95, 0x07,         /*          Report Count (7),           */
2830x91, 0x02,         /*          Output (Variable),          */
2840xC0,               /*      End Collection,                 */
2850xC0                /*  End Collection                      */
286};
287
288static __u8 momo2_rdesc_fixed[] = {
2890x05, 0x01,         /*  Usage Page (Desktop),               */
2900x09, 0x04,         /*  Usage (Joystik),                    */
2910xA1, 0x01,         /*  Collection (Application),           */
2920xA1, 0x02,         /*      Collection (Logical),           */
2930x95, 0x01,         /*          Report Count (1),           */
2940x75, 0x0A,         /*          Report Size (10),           */
2950x15, 0x00,         /*          Logical Minimum (0),        */
2960x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
2970x35, 0x00,         /*          Physical Minimum (0),       */
2980x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
2990x09, 0x30,         /*          Usage (X),                  */
3000x81, 0x02,         /*          Input (Variable),           */
3010x95, 0x0A,         /*          Report Count (10),          */
3020x75, 0x01,         /*          Report Size (1),            */
3030x25, 0x01,         /*          Logical Maximum (1),        */
3040x45, 0x01,         /*          Physical Maximum (1),       */
3050x05, 0x09,         /*          Usage Page (Button),        */
3060x19, 0x01,         /*          Usage Minimum (01h),        */
3070x29, 0x0A,         /*          Usage Maximum (0Ah),        */
3080x81, 0x02,         /*          Input (Variable),           */
3090x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
3100x09, 0x00,         /*          Usage (00h),                */
3110x95, 0x04,         /*          Report Count (4),           */
3120x81, 0x02,         /*          Input (Variable),           */
3130x95, 0x01,         /*          Report Count (1),           */
3140x75, 0x08,         /*          Report Size (8),            */
3150x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
3160x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
3170x09, 0x01,         /*          Usage (01h),                */
3180x81, 0x02,         /*          Input (Variable),           */
3190x05, 0x01,         /*          Usage Page (Desktop),       */
3200x09, 0x31,         /*          Usage (Y),                  */
3210x81, 0x02,         /*          Input (Variable),           */
3220x09, 0x32,         /*          Usage (Z),                  */
3230x81, 0x02,         /*          Input (Variable),           */
3240x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
3250x09, 0x00,         /*          Usage (00h),                */
3260x81, 0x02,         /*          Input (Variable),           */
3270xC0,               /*      End Collection,                 */
3280xA1, 0x02,         /*      Collection (Logical),           */
3290x09, 0x02,         /*          Usage (02h),                */
3300x95, 0x07,         /*          Report Count (7),           */
3310x91, 0x02,         /*          Output (Variable),          */
3320xC0,               /*      End Collection,                 */
3330xC0                /*  End Collection                      */
334};
335
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
336/*
337 * Certain Logitech keyboards send in report #3 keys which are far
338 * above the logical maximum described in descriptor. This extends
339 * the original value of 0x28c of logical maximum to 0x104d
340 */
341static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
342		unsigned int *rsize)
343{
344	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
345	struct usb_device_descriptor *udesc;
346	__u16 bcdDevice, rev_maj, rev_min;
347
348	if ((drv_data->quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 &&
349			rdesc[84] == 0x8c && rdesc[85] == 0x02) {
350		hid_info(hdev,
351			 "fixing up Logitech keyboard report descriptor\n");
352		rdesc[84] = rdesc[89] = 0x4d;
353		rdesc[85] = rdesc[90] = 0x10;
354	}
355	if ((drv_data->quirks & LG_RDESC_REL_ABS) && *rsize >= 50 &&
356			rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
357			rdesc[49] == 0x81 && rdesc[50] == 0x06) {
358		hid_info(hdev,
359			 "fixing up rel/abs in Logitech report descriptor\n");
360		rdesc[33] = rdesc[50] = 0x02;
361	}
362
363	switch (hdev->product) {
364
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
365	/* Several wheels report as this id when operating in emulation mode. */
366	case USB_DEVICE_ID_LOGITECH_WHEEL:
367		udesc = &(hid_to_usb_dev(hdev)->descriptor);
368		if (!udesc) {
369			hid_err(hdev, "NULL USB device descriptor\n");
370			break;
371		}
372		bcdDevice = le16_to_cpu(udesc->bcdDevice);
373		rev_maj = bcdDevice >> 8;
374		rev_min = bcdDevice & 0xff;
375
376		/* Update the report descriptor for only the Driving Force wheel */
377		if (rev_maj == 1 && rev_min == 2 &&
378				*rsize == DF_RDESC_ORIG_SIZE) {
379			hid_info(hdev,
380				"fixing up Logitech Driving Force report descriptor\n");
381			rdesc = df_rdesc_fixed;
382			*rsize = sizeof(df_rdesc_fixed);
383		}
384		break;
385
386	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
387		if (*rsize == MOMO_RDESC_ORIG_SIZE) {
388			hid_info(hdev,
389				"fixing up Logitech Momo Force (Red) report descriptor\n");
390			rdesc = momo_rdesc_fixed;
391			*rsize = sizeof(momo_rdesc_fixed);
392		}
393		break;
394
395	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
396		if (*rsize == MOMO2_RDESC_ORIG_SIZE) {
397			hid_info(hdev,
398				"fixing up Logitech Momo Racing Force (Black) report descriptor\n");
399			rdesc = momo2_rdesc_fixed;
400			*rsize = sizeof(momo2_rdesc_fixed);
401		}
402		break;
403
404	case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
405		if (*rsize == FV_RDESC_ORIG_SIZE) {
406			hid_info(hdev,
407				"fixing up Logitech Formula Vibration report descriptor\n");
408			rdesc = fv_rdesc_fixed;
409			*rsize = sizeof(fv_rdesc_fixed);
410		}
411		break;
412
413	case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
414		if (*rsize == DFP_RDESC_ORIG_SIZE) {
415			hid_info(hdev,
416				"fixing up Logitech Driving Force Pro report descriptor\n");
417			rdesc = dfp_rdesc_fixed;
418			*rsize = sizeof(dfp_rdesc_fixed);
419		}
420		break;
421
422	case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
423		if (*rsize >= 101 && rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
424				rdesc[47] == 0x05 && rdesc[48] == 0x09) {
425			hid_info(hdev, "fixing up Logitech Speed Force Wireless report descriptor\n");
426			rdesc[41] = 0x05;
427			rdesc[42] = 0x09;
428			rdesc[47] = 0x95;
429			rdesc[48] = 0x0B;
430		}
431		break;
432	}
433
434	return rdesc;
435}
436
437#define lg_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
438		EV_KEY, (c))
439
440static int lg_ultrax_remote_mapping(struct hid_input *hi,
441		struct hid_usage *usage, unsigned long **bit, int *max)
442{
443	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
444		return 0;
445
446	set_bit(EV_REP, hi->input->evbit);
447	switch (usage->hid & HID_USAGE) {
448	/* Reported on Logitech Ultra X Media Remote */
449	case 0x004: lg_map_key_clear(KEY_AGAIN);	break;
450	case 0x00d: lg_map_key_clear(KEY_HOME);		break;
451	case 0x024: lg_map_key_clear(KEY_SHUFFLE);	break;
452	case 0x025: lg_map_key_clear(KEY_TV);		break;
453	case 0x026: lg_map_key_clear(KEY_MENU);		break;
454	case 0x031: lg_map_key_clear(KEY_AUDIO);	break;
455	case 0x032: lg_map_key_clear(KEY_TEXT);		break;
456	case 0x033: lg_map_key_clear(KEY_LAST);		break;
457	case 0x047: lg_map_key_clear(KEY_MP3);		break;
458	case 0x048: lg_map_key_clear(KEY_DVD);		break;
459	case 0x049: lg_map_key_clear(KEY_MEDIA);	break;
460	case 0x04a: lg_map_key_clear(KEY_VIDEO);	break;
461	case 0x04b: lg_map_key_clear(KEY_ANGLE);	break;
462	case 0x04c: lg_map_key_clear(KEY_LANGUAGE);	break;
463	case 0x04d: lg_map_key_clear(KEY_SUBTITLE);	break;
464	case 0x051: lg_map_key_clear(KEY_RED);		break;
465	case 0x052: lg_map_key_clear(KEY_CLOSE);	break;
466
467	default:
468		return 0;
469	}
470	return 1;
471}
472
473static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
474		unsigned long **bit, int *max)
475{
476	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
477		return 0;
478
479	switch (usage->hid & HID_USAGE) {
480
481	case 0x00d: lg_map_key_clear(KEY_MEDIA);	break;
482	default:
483		return 0;
484
485	}
486	return 1;
487}
488
489static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
490		unsigned long **bit, int *max)
491{
492	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
493		return 0;
494
495	switch (usage->hid & HID_USAGE) {
496	case 0x1001: lg_map_key_clear(KEY_MESSENGER);		break;
497	case 0x1003: lg_map_key_clear(KEY_SOUND);		break;
498	case 0x1004: lg_map_key_clear(KEY_VIDEO);		break;
499	case 0x1005: lg_map_key_clear(KEY_AUDIO);		break;
500	case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);		break;
501	/* The following two entries are Playlist 1 and 2 on the MX3200 */
502	case 0x100f: lg_map_key_clear(KEY_FN_1);		break;
503	case 0x1010: lg_map_key_clear(KEY_FN_2);		break;
504	case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);	break;
505	case 0x1012: lg_map_key_clear(KEY_NEXTSONG);		break;
506	case 0x1013: lg_map_key_clear(KEY_CAMERA);		break;
507	case 0x1014: lg_map_key_clear(KEY_MESSENGER);		break;
508	case 0x1015: lg_map_key_clear(KEY_RECORD);		break;
509	case 0x1016: lg_map_key_clear(KEY_PLAYER);		break;
510	case 0x1017: lg_map_key_clear(KEY_EJECTCD);		break;
511	case 0x1018: lg_map_key_clear(KEY_MEDIA);		break;
512	case 0x1019: lg_map_key_clear(KEY_PROG1);		break;
513	case 0x101a: lg_map_key_clear(KEY_PROG2);		break;
514	case 0x101b: lg_map_key_clear(KEY_PROG3);		break;
515	case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
516	case 0x101f: lg_map_key_clear(KEY_ZOOMIN);		break;
517	case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);		break;
518	case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);		break;
519	case 0x1023: lg_map_key_clear(KEY_CLOSE);		break;
520	case 0x1027: lg_map_key_clear(KEY_MENU);		break;
521	/* this one is marked as 'Rotate' */
522	case 0x1028: lg_map_key_clear(KEY_ANGLE);		break;
523	case 0x1029: lg_map_key_clear(KEY_SHUFFLE);		break;
524	case 0x102a: lg_map_key_clear(KEY_BACK);		break;
525	case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
526	case 0x102d: lg_map_key_clear(KEY_WWW);			break;
527	/* The following two are 'Start/answer call' and 'End/reject call'
528	   on the MX3200 */
529	case 0x1031: lg_map_key_clear(KEY_OK);			break;
530	case 0x1032: lg_map_key_clear(KEY_CANCEL);		break;
531	case 0x1041: lg_map_key_clear(KEY_BATTERY);		break;
532	case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);	break;
533	case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);		break;
534	case 0x1044: lg_map_key_clear(KEY_PRESENTATION);	break;
535	case 0x1045: lg_map_key_clear(KEY_UNDO);		break;
536	case 0x1046: lg_map_key_clear(KEY_REDO);		break;
537	case 0x1047: lg_map_key_clear(KEY_PRINT);		break;
538	case 0x1048: lg_map_key_clear(KEY_SAVE);		break;
539	case 0x1049: lg_map_key_clear(KEY_PROG1);		break;
540	case 0x104a: lg_map_key_clear(KEY_PROG2);		break;
541	case 0x104b: lg_map_key_clear(KEY_PROG3);		break;
542	case 0x104c: lg_map_key_clear(KEY_PROG4);		break;
543
544	default:
545		return 0;
546	}
547	return 1;
548}
549
550static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
551		struct hid_field *field, struct hid_usage *usage,
552		unsigned long **bit, int *max)
553{
554	/* extended mapping for certain Logitech hardware (Logitech cordless
555	   desktop LX500) */
556	static const u8 e_keymap[] = {
557		  0,216,  0,213,175,156,  0,  0,  0,  0,
558		144,  0,  0,  0,  0,  0,  0,  0,  0,212,
559		174,167,152,161,112,  0,  0,  0,154,  0,
560		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
561		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
562		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
563		  0,  0,  0,  0,  0,183,184,185,186,187,
564		188,189,190,191,192,193,194,  0,  0,  0
565	};
566	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
567	unsigned int hid = usage->hid;
568
569	if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
570			lg_ultrax_remote_mapping(hi, usage, bit, max))
571		return 1;
572
573	if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
574			lg_dinovo_mapping(hi, usage, bit, max))
575		return 1;
576
577	if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
578		return 1;
579
580	if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
581		return 0;
582
583	hid &= HID_USAGE;
584
585	/* Special handling for Logitech Cordless Desktop */
586	if (field->application == HID_GD_MOUSE) {
587		if ((drv_data->quirks & LG_IGNORE_DOUBLED_WHEEL) &&
588				(hid == 7 || hid == 8))
589			return -1;
590	} else {
591		if ((drv_data->quirks & LG_EXPANDED_KEYMAP) &&
592				hid < ARRAY_SIZE(e_keymap) &&
593				e_keymap[hid] != 0) {
594			hid_map_usage(hi, usage, bit, max, EV_KEY,
595					e_keymap[hid]);
596			return 1;
597		}
598	}
599
600	return 0;
601}
602
603static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
604		struct hid_field *field, struct hid_usage *usage,
605		unsigned long **bit, int *max)
606{
607	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
608
609	if ((drv_data->quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
610			(field->flags & HID_MAIN_ITEM_RELATIVE))
611		field->flags &= ~HID_MAIN_ITEM_RELATIVE;
612
613	if ((drv_data->quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
614			 usage->type == EV_REL || usage->type == EV_ABS))
615		clear_bit(usage->code, *bit);
616
617	/* Ensure that Logitech wheels are not given a default fuzz/flat value */
618	if (usage->type == EV_ABS && (usage->code == ABS_X ||
619			usage->code == ABS_Y || usage->code == ABS_Z ||
620			usage->code == ABS_RZ)) {
621		switch (hdev->product) {
 
 
 
622		case USB_DEVICE_ID_LOGITECH_WHEEL:
623		case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
624		case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
625		case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
626		case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
627		case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
628		case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
629		case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
630		case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
631			field->application = HID_GD_MULTIAXIS;
632			break;
633		default:
634			break;
635		}
636	}
637
638	return 0;
639}
640
641static int lg_event(struct hid_device *hdev, struct hid_field *field,
642		struct hid_usage *usage, __s32 value)
643{
644	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
645
646	if ((drv_data->quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
647		input_event(field->hidinput->input, usage->type, usage->code,
648				-value);
649		return 1;
650	}
651	if (drv_data->quirks & LG_FF4) {
652		return lg4ff_adjust_input_event(hdev, field, usage, value, drv_data);
653	}
654
655	return 0;
656}
657
 
 
 
 
 
 
 
 
 
 
 
658static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
659{
 
 
660	unsigned int connect_mask = HID_CONNECT_DEFAULT;
661	struct lg_drv_data *drv_data;
662	int ret;
663
 
 
 
 
 
 
 
 
 
 
 
 
 
664	drv_data = kzalloc(sizeof(struct lg_drv_data), GFP_KERNEL);
665	if (!drv_data) {
666		hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
667		return -ENOMEM;
668	}
669	drv_data->quirks = id->driver_data;
670
671	hid_set_drvdata(hdev, (void *)drv_data);
672
673	if (drv_data->quirks & LG_NOGET)
674		hdev->quirks |= HID_QUIRK_NOGET;
675
676	ret = hid_parse(hdev);
677	if (ret) {
678		hid_err(hdev, "parse failed\n");
679		goto err_free;
680	}
681
682	if (drv_data->quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))
683		connect_mask &= ~HID_CONNECT_FF;
684
685	ret = hid_hw_start(hdev, connect_mask);
686	if (ret) {
687		hid_err(hdev, "hw start failed\n");
688		goto err_free;
689	}
690
691	/* Setup wireless link with Logitech Wii wheel */
692	if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
693		unsigned char buf[] = { 0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 
 
 
 
 
 
 
 
694
695		ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
696					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
697
698		if (ret >= 0) {
699			/* insert a little delay of 10 jiffies ~ 40ms */
700			wait_queue_head_t wait;
701			init_waitqueue_head (&wait);
702			wait_event_interruptible_timeout(wait, 0, 10);
 
703
704			/* Select random Address */
705			buf[1] = 0xB2;
706			get_random_bytes(&buf[2], 2);
707
708			ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
709					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
710		}
 
711	}
712
713	if (drv_data->quirks & LG_FF)
714		lgff_init(hdev);
715	if (drv_data->quirks & LG_FF2)
716		lg2ff_init(hdev);
717	if (drv_data->quirks & LG_FF3)
718		lg3ff_init(hdev);
719	if (drv_data->quirks & LG_FF4)
720		lg4ff_init(hdev);
 
 
 
721
722	return 0;
 
 
 
723err_free:
724	kfree(drv_data);
725	return ret;
726}
727
728static void lg_remove(struct hid_device *hdev)
729{
730	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
731	if (drv_data->quirks & LG_FF4)
732		lg4ff_deinit(hdev);
733
734	hid_hw_stop(hdev);
735	kfree(drv_data);
736}
737
738static const struct hid_device_id lg_devices[] = {
739	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
740		.driver_data = LG_RDESC | LG_WIRELESS },
741	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
742		.driver_data = LG_RDESC | LG_WIRELESS },
743	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
744		.driver_data = LG_RDESC | LG_WIRELESS },
745
746	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
747		.driver_data = LG_BAD_RELATIVE_KEYS },
748
749	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
750		.driver_data = LG_DUPLICATE_USAGES },
751	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
752		.driver_data = LG_DUPLICATE_USAGES },
753	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
754		.driver_data = LG_DUPLICATE_USAGES },
755
756	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
757		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
758	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
759		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
760
761	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
762		.driver_data = LG_NOGET },
763	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION),
764		.driver_data = LG_NOGET },
765	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
766		.driver_data = LG_NOGET | LG_FF4 },
767
768	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD),
769		.driver_data = LG_FF2 },
770	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
771		.driver_data = LG_FF },
772	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
773		.driver_data = LG_FF },
 
 
774	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
775		.driver_data = LG_FF },
776	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
777		.driver_data = LG_FF },
778	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
779		.driver_data = LG_NOGET | LG_FF4 },
780	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
781		.driver_data = LG_FF4 },
782	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL),
783		.driver_data = LG_FF2 },
784	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
785		.driver_data = LG_FF4 },
786	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL),
787		.driver_data = LG_FF4 },
788	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL),
789		.driver_data = LG_FF4 },
790	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL),
791		.driver_data = LG_NOGET | LG_FF4 },
792	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
793		.driver_data = LG_FF4 },
 
 
794	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
795		.driver_data = LG_FF },
796	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
797		.driver_data = LG_FF2 },
798	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
799		.driver_data = LG_FF3 },
800	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
801		.driver_data = LG_RDESC_REL_ABS },
802	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
803		.driver_data = LG_RDESC_REL_ABS },
804	{ }
805};
806
807MODULE_DEVICE_TABLE(hid, lg_devices);
808
809static struct hid_driver lg_driver = {
810	.name = "logitech",
811	.id_table = lg_devices,
812	.report_fixup = lg_report_fixup,
813	.input_mapping = lg_input_mapping,
814	.input_mapped = lg_input_mapped,
815	.event = lg_event,
 
816	.probe = lg_probe,
817	.remove = lg_remove,
818};
819module_hid_driver(lg_driver);
 
 
 
 
 
 
820
821MODULE_LICENSE("GPL");