linux-imx

/*

 *  HID driver for some logitech "special" devices

 *

 *  Copyright (c) 1999 Andreas Gal

 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>

 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc

 *  Copyright (c) 2006-2007 Jiri Kosina

 *  Copyright (c) 2008 Jiri Slaby

 *  Copyright (c) 2010 Hendrik Iben

 */

​

/*

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by the Free

 * Software Foundation; either version 2 of the License, or (at your option)

 * any later version.

 */

​

#include <linux/device.h>

#include <linux/hid.h>

#include <linux/module.h>

#include <linux/random.h>

#include <linux/sched.h>

#include <linux/usb.h>

#include <linux/wait.h>

​

#include "usbhid/usbhid.h"

#include "hid-ids.h"

#include "hid-lg.h"

#include "hid-lg4ff.h"

​

#define LG_RDESC        0x001

#define LG_BAD_RELATIVE_KEYS    0x002

#define LG_DUPLICATE_USAGES 0x004

#define LG_EXPANDED_KEYMAP  0x010

#define LG_IGNORE_DOUBLED_WHEEL 0x020

#define LG_WIRELESS     0x040

#define LG_INVERT_HWHEEL    0x080

#define LG_NOGET        0x100

#define LG_FF           0x200

#define LG_FF2          0x400

#define LG_RDESC_REL_ABS    0x800

#define LG_FF3          0x1000

#define LG_FF4          0x2000

​

/* Size of the original descriptors of the Driving Force (and Pro) wheels */

#define DF_RDESC_ORIG_SIZE  130

#define DFP_RDESC_ORIG_SIZE 97

#define FV_RDESC_ORIG_SIZE  130

#define MOMO_RDESC_ORIG_SIZE    87

#define MOMO2_RDESC_ORIG_SIZE   87

#define FFG_RDESC_ORIG_SIZE 85

#define FG_RDESC_ORIG_SIZE  82

​

/* Fixed report descriptors for Logitech Driving Force (and Pro)

 * wheel controllers

 *

 * The original descriptors hide the separate throttle and brake axes in

 * a custom vendor usage page, providing only a combined value as

 * GenericDesktop.Y.

 * These descriptors remove the combined Y axis and instead report

 * separate throttle (Y) and brake (RZ).

 */

static __u8 df_rdesc_fixed[] = {

0x05, 0x01,         /*  Usage Page (Desktop),                   */

0x09, 0x04,         /*  Usage (Joystick),                       */

0xA1, 0x01,         /*  Collection (Application),               */

0xA1, 0x02,         /*      Collection (Logical),               */

0x95, 0x01,         /*          Report Count (1),               */

0x75, 0x0A,         /*          Report Size (10),               */

0x14,               /*          Logical Minimum (0),            */

0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */

0x34,               /*          Physical Minimum (0),           */

0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */

0x09, 0x30,         /*          Usage (X),                      */

0x81, 0x02,         /*          Input (Variable),               */

0x95, 0x0C,         /*          Report Count (12),              */

0x75, 0x01,         /*          Report Size (1),                */

0x25, 0x01,         /*          Logical Maximum (1),            */

0x45, 0x01,         /*          Physical Maximum (1),           */

0x05, 0x09,         /*          Usage (Buttons),                */

0x19, 0x01,         /*          Usage Minimum (1),              */

0x29, 0x0c,         /*          Usage Maximum (12),             */

0x81, 0x02,         /*          Input (Variable),               */

0x95, 0x02,         /*          Report Count (2),               */

0x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */

0x09, 0x01,         /*          Usage (?: 1),                   */

0x81, 0x02,         /*          Input (Variable),               */

0x05, 0x01,         /*          Usage Page (Desktop),           */

0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */

0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */

0x95, 0x01,         /*          Report Count (1),               */