/*
   *  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) 2007 Paul Walmsley
   *  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/wait.h>

  
  #include "hid-ids.h"

  #include "hid-lg.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 descriptor of the Driving Force Pro wheel */
  #define DFP_RDESC_ORIG_SIZE	97
  
  /* Fixed report descriptor for Logitech Driving Force Pro wheel controller
   *
   * The original descriptor hides the separate throttle and brake axes in
   * a custom vendor usage page, providing only a combined value as
   * GenericDesktop.Y.
   * This descriptor removes the combined Y axis and instead reports
   * separate throttle (Y) and brake (RZ).
   */
  static __u8 dfp_rdesc_fixed[] = {
  0x05, 0x01,         /*  Usage Page (Desktop),                   */
  0x09, 0x04,         /*  Usage (Joystik),                        */
  0xA1, 0x01,         /*  Collection (Application),               */
  0xA1, 0x02,         /*      Collection (Logical),               */
  0x95, 0x01,         /*          Report Count (1),               */
  0x75, 0x0E,         /*          Report Size (14),               */
  0x14,               /*          Logical Minimum (0),            */
  0x26, 0xFF, 0x3F,   /*          Logical Maximum (16383),        */
  0x34,               /*          Physical Minimum (0),           */
  0x46, 0xFF, 0x3F,   /*          Physical Maximum (16383),       */
  0x09, 0x30,         /*          Usage (X),                      */
  0x81, 0x02,         /*          Input (Variable),               */
  0x95, 0x0E,         /*          Report Count (14),              */
  0x75, 0x01,         /*          Report Size (1),                */
  0x25, 0x01,         /*          Logical Maximum (1),            */
  0x45, 0x01,         /*          Physical Maximum (1),           */
  0x05, 0x09,         /*          Usage Page (Button),            */
  0x19, 0x01,         /*          Usage Minimum (01h),            */
  0x29, 0x0E,         /*          Usage Maximum (0Eh),            */
  0x81, 0x02,         /*          Input (Variable),               */
  0x05, 0x01,         /*          Usage Page (Desktop),           */
  0x95, 0x01,         /*          Report Count (1),               */
  0x75, 0x04,         /*          Report Size (4),                */
  0x25, 0x07,         /*          Logical Maximum (7),            */
  0x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
  0x65, 0x14,         /*          Unit (Degrees),                 */
  0x09, 0x39,         /*          Usage (Hat Switch),             */
  0x81, 0x42,         /*          Input (Variable, Nullstate),    */
  0x65, 0x00,         /*          Unit,                           */
  0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
  0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
  0x75, 0x08,         /*          Report Size (8),                */
  0x81, 0x01,         /*          Input (Constant),               */
  0x09, 0x31,         /*          Usage (Y),                      */
  0x81, 0x02,         /*          Input (Variable),               */
  0x09, 0x35,         /*          Usage (Rz),                     */
  0x81, 0x02,         /*          Input (Variable),               */
  0x81, 0x01,         /*          Input (Constant),               */
  0xC0,               /*      End Collection,                     */
  0xA1, 0x02,         /*      Collection (Logical),               */
  0x09, 0x02,         /*          Usage (02h),                    */
  0x95, 0x07,         /*          Report Count (7),               */
  0x91, 0x02,         /*          Output (Variable),              */
  0xC0,               /*      End Collection,                     */
  0xC0                /*  End Collection                          */
  };

  /*
   * Certain Logitech keyboards send in report #3 keys which are far
   * above the logical maximum described in descriptor. This extends
   * the original value of 0x28c of logical maximum to 0x104d
   */

  static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
  		unsigned int *rsize)

  {
  	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);

  	if ((quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 &&

  			rdesc[84] == 0x8c && rdesc[85] == 0x02) {

  		hid_info(hdev,
  			 "fixing up Logitech keyboard report descriptor
  ");

  		rdesc[84] = rdesc[89] = 0x4d;
  		rdesc[85] = rdesc[90] = 0x10;
  	}

  	if ((quirks & LG_RDESC_REL_ABS) && *rsize >= 50 &&

  			rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
  			rdesc[49] == 0x81 && rdesc[50] == 0x06) {

  		hid_info(hdev,
  			 "fixing up rel/abs in Logitech report descriptor
  ");

  		rdesc[33] = rdesc[50] = 0x02;
  	}

  	if ((quirks & LG_FF4) && *rsize >= 101 &&

  			rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
  			rdesc[47] == 0x05 && rdesc[48] == 0x09) {

  		hid_info(hdev, "fixing up Logitech Speed Force Wireless button descriptor
  ");

  		rdesc[41] = 0x05;
  		rdesc[42] = 0x09;
  		rdesc[47] = 0x95;
  		rdesc[48] = 0x0B;
  	}

  
  	switch (hdev->product) {
  	case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
  		if (*rsize == DFP_RDESC_ORIG_SIZE) {
  			hid_info(hdev,
  				"fixing up Logitech Driving Force Pro report descriptor
  ");
  			rdesc = dfp_rdesc_fixed;
  			*rsize = sizeof(dfp_rdesc_fixed);
  		}
  		break;
  	}

  	return rdesc;

  }
  
  #define lg_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
  		EV_KEY, (c))
  
  static int lg_ultrax_remote_mapping(struct hid_input *hi,
  		struct hid_usage *usage, unsigned long **bit, int *max)
  {
  	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
  		return 0;
  
  	set_bit(EV_REP, hi->input->evbit);
  	switch (usage->hid & HID_USAGE) {
  	/* Reported on Logitech Ultra X Media Remote */
  	case 0x004: lg_map_key_clear(KEY_AGAIN);	break;
  	case 0x00d: lg_map_key_clear(KEY_HOME);		break;
  	case 0x024: lg_map_key_clear(KEY_SHUFFLE);	break;
  	case 0x025: lg_map_key_clear(KEY_TV);		break;
  	case 0x026: lg_map_key_clear(KEY_MENU);		break;
  	case 0x031: lg_map_key_clear(KEY_AUDIO);	break;
  	case 0x032: lg_map_key_clear(KEY_TEXT);		break;
  	case 0x033: lg_map_key_clear(KEY_LAST);		break;
  	case 0x047: lg_map_key_clear(KEY_MP3);		break;
  	case 0x048: lg_map_key_clear(KEY_DVD);		break;
  	case 0x049: lg_map_key_clear(KEY_MEDIA);	break;
  	case 0x04a: lg_map_key_clear(KEY_VIDEO);	break;
  	case 0x04b: lg_map_key_clear(KEY_ANGLE);	break;
  	case 0x04c: lg_map_key_clear(KEY_LANGUAGE);	break;
  	case 0x04d: lg_map_key_clear(KEY_SUBTITLE);	break;
  	case 0x051: lg_map_key_clear(KEY_RED);		break;
  	case 0x052: lg_map_key_clear(KEY_CLOSE);	break;
  
  	default:
  		return 0;
  	}
  	return 1;
  }

  static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
  		unsigned long **bit, int *max)
  {
  	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
  		return 0;
  
  	switch (usage->hid & HID_USAGE) {
  
  	case 0x00d: lg_map_key_clear(KEY_MEDIA);	break;
  	default:
  		return 0;
  
  	}
  	return 1;
  }

  static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
  		unsigned long **bit, int *max)
  {
  	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
  		return 0;
  
  	switch (usage->hid & HID_USAGE) {
  	case 0x1001: lg_map_key_clear(KEY_MESSENGER);		break;
  	case 0x1003: lg_map_key_clear(KEY_SOUND);		break;
  	case 0x1004: lg_map_key_clear(KEY_VIDEO);		break;
  	case 0x1005: lg_map_key_clear(KEY_AUDIO);		break;
  	case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);		break;

  	/* The following two entries are Playlist 1 and 2 on the MX3200 */
  	case 0x100f: lg_map_key_clear(KEY_FN_1);		break;
  	case 0x1010: lg_map_key_clear(KEY_FN_2);		break;

  	case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);	break;
  	case 0x1012: lg_map_key_clear(KEY_NEXTSONG);		break;
  	case 0x1013: lg_map_key_clear(KEY_CAMERA);		break;
  	case 0x1014: lg_map_key_clear(KEY_MESSENGER);		break;
  	case 0x1015: lg_map_key_clear(KEY_RECORD);		break;
  	case 0x1016: lg_map_key_clear(KEY_PLAYER);		break;
  	case 0x1017: lg_map_key_clear(KEY_EJECTCD);		break;
  	case 0x1018: lg_map_key_clear(KEY_MEDIA);		break;
  	case 0x1019: lg_map_key_clear(KEY_PROG1);		break;
  	case 0x101a: lg_map_key_clear(KEY_PROG2);		break;
  	case 0x101b: lg_map_key_clear(KEY_PROG3);		break;

  	case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;

  	case 0x101f: lg_map_key_clear(KEY_ZOOMIN);		break;
  	case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);		break;
  	case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);		break;
  	case 0x1023: lg_map_key_clear(KEY_CLOSE);		break;
  	case 0x1027: lg_map_key_clear(KEY_MENU);		break;
  	/* this one is marked as 'Rotate' */
  	case 0x1028: lg_map_key_clear(KEY_ANGLE);		break;
  	case 0x1029: lg_map_key_clear(KEY_SHUFFLE);		break;
  	case 0x102a: lg_map_key_clear(KEY_BACK);		break;
  	case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;

  	case 0x102d: lg_map_key_clear(KEY_WWW);			break;
  	/* The following two are 'Start/answer call' and 'End/reject call'
  	   on the MX3200 */
  	case 0x1031: lg_map_key_clear(KEY_OK);			break;
  	case 0x1032: lg_map_key_clear(KEY_CANCEL);		break;

  	case 0x1041: lg_map_key_clear(KEY_BATTERY);		break;
  	case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);	break;
  	case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);		break;
  	case 0x1044: lg_map_key_clear(KEY_PRESENTATION);	break;
  	case 0x1045: lg_map_key_clear(KEY_UNDO);		break;
  	case 0x1046: lg_map_key_clear(KEY_REDO);		break;
  	case 0x1047: lg_map_key_clear(KEY_PRINT);		break;
  	case 0x1048: lg_map_key_clear(KEY_SAVE);		break;
  	case 0x1049: lg_map_key_clear(KEY_PROG1);		break;
  	case 0x104a: lg_map_key_clear(KEY_PROG2);		break;
  	case 0x104b: lg_map_key_clear(KEY_PROG3);		break;
  	case 0x104c: lg_map_key_clear(KEY_PROG4);		break;
  
  	default:
  		return 0;
  	}
  	return 1;
  }
  
  static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  		struct hid_field *field, struct hid_usage *usage,
  		unsigned long **bit, int *max)
  {
  	/* extended mapping for certain Logitech hardware (Logitech cordless
  	   desktop LX500) */
  	static const u8 e_keymap[] = {
  		  0,216,  0,213,175,156,  0,  0,  0,  0,
  		144,  0,  0,  0,  0,  0,  0,  0,  0,212,
  		174,167,152,161,112,  0,  0,  0,154,  0,
  		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
  		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
  		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
  		  0,  0,  0,  0,  0,183,184,185,186,187,
  		188,189,190,191,192,193,194,  0,  0,  0
  	};
  	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
  	unsigned int hid = usage->hid;
  
  	if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
  			lg_ultrax_remote_mapping(hi, usage, bit, max))
  		return 1;

  	if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
  			lg_dinovo_mapping(hi, usage, bit, max))
  		return 1;

  	if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
  		return 1;
  
  	if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
  		return 0;
  
  	hid &= HID_USAGE;
  
  	/* Special handling for Logitech Cordless Desktop */
  	if (field->application == HID_GD_MOUSE) {
  		if ((quirks & LG_IGNORE_DOUBLED_WHEEL) &&
  				(hid == 7 || hid == 8))
  			return -1;
  	} else {
  		if ((quirks & LG_EXPANDED_KEYMAP) &&
  				hid < ARRAY_SIZE(e_keymap) &&
  				e_keymap[hid] != 0) {
  			hid_map_usage(hi, usage, bit, max, EV_KEY,
  					e_keymap[hid]);
  			return 1;
  		}
  	}
  
  	return 0;
  }
  
  static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
  		struct hid_field *field, struct hid_usage *usage,
  		unsigned long **bit, int *max)
  {
  	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
  
  	if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
  			(field->flags & HID_MAIN_ITEM_RELATIVE))
  		field->flags &= ~HID_MAIN_ITEM_RELATIVE;
  
  	if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
  			 usage->type == EV_REL || usage->type == EV_ABS))
  		clear_bit(usage->code, *bit);
  
  	return 0;
  }
  
  static int lg_event(struct hid_device *hdev, struct hid_field *field,
  		struct hid_usage *usage, __s32 value)
  {
  	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
  
  	if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
  		input_event(field->hidinput->input, usage->type, usage->code,
  				-value);
  		return 1;
  	}
  
  	return 0;
  }
  
  static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
  {
  	unsigned long quirks = id->driver_data;

  	unsigned int connect_mask = HID_CONNECT_DEFAULT;

  	int ret;
  
  	hid_set_drvdata(hdev, (void *)quirks);

  	if (quirks & LG_NOGET)
  		hdev->quirks |= HID_QUIRK_NOGET;
  
  	ret = hid_parse(hdev);
  	if (ret) {

  		hid_err(hdev, "parse failed
  ");

  		goto err_free;
  	}

  	if (quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))

  		connect_mask &= ~HID_CONNECT_FF;
  
  	ret = hid_hw_start(hdev, connect_mask);

  	if (ret) {

  		hid_err(hdev, "hw start failed
  ");

  		goto err_free;
  	}

  	/* Setup wireless link with Logitech Wii wheel */
  	if(hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {

  		unsigned char buf[] = { 0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
  
  		ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
  
  		if (ret >= 0) {
  			/* insert a little delay of 10 jiffies ~ 40ms */
  			wait_queue_head_t wait;
  			init_waitqueue_head (&wait);
  			wait_event_interruptible_timeout(wait, 0, 10);
  
  			/* Select random Address */
  			buf[1] = 0xB2;
  			get_random_bytes(&buf[2], 2);
  
  			ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
  		}
  	}

  	if (quirks & LG_FF)
  		lgff_init(hdev);
  	if (quirks & LG_FF2)
  		lg2ff_init(hdev);

  	if (quirks & LG_FF3)
  		lg3ff_init(hdev);

  	if (quirks & LG_FF4)
  		lg4ff_init(hdev);

  	return 0;
  err_free:
  	return ret;
  }

  static void lg_remove(struct hid_device *hdev)
  {
  	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
  	if(quirks & LG_FF4)
  		lg4ff_deinit(hdev);
  
  	hid_hw_stop(hdev);
  }

  static const struct hid_device_id lg_devices[] = {
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
  		.driver_data = LG_RDESC | LG_WIRELESS },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
  		.driver_data = LG_RDESC | LG_WIRELESS },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
  		.driver_data = LG_RDESC | LG_WIRELESS },
  
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
  		.driver_data = LG_BAD_RELATIVE_KEYS },
  
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
  		.driver_data = LG_DUPLICATE_USAGES },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
  		.driver_data = LG_DUPLICATE_USAGES },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
  		.driver_data = LG_DUPLICATE_USAGES },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
  		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
  		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
  		.driver_data = LG_NOGET },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),

  		.driver_data = LG_NOGET | LG_FF4 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD),
  		.driver_data = LG_FF2 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
  		.driver_data = LG_FF },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
  		.driver_data = LG_FF },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
  		.driver_data = LG_FF },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
  		.driver_data = LG_FF },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),

  		.driver_data = LG_FF4 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),

  		.driver_data = LG_FF4 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),

  		.driver_data = LG_FF4 },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL),
  		.driver_data = LG_FF4 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL),

  		.driver_data = LG_FF4 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL),

  		.driver_data = LG_NOGET | LG_FF4 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
  		.driver_data = LG_FF4 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ),
  		.driver_data = LG_FF },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
  		.driver_data = LG_FF2 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
  		.driver_data = LG_FF3 },

  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
  		.driver_data = LG_RDESC_REL_ABS },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
  		.driver_data = LG_RDESC_REL_ABS },

  	{ }
  };

  MODULE_DEVICE_TABLE(hid, lg_devices);
  
  static struct hid_driver lg_driver = {
  	.name = "logitech",
  	.id_table = lg_devices,
  	.report_fixup = lg_report_fixup,
  	.input_mapping = lg_input_mapping,
  	.input_mapped = lg_input_mapped,
  	.event = lg_event,
  	.probe = lg_probe,

  	.remove = lg_remove,

  };

  static int __init lg_init(void)

  {
  	return hid_register_driver(&lg_driver);
  }

  static void __exit lg_exit(void)

  {
  	hid_unregister_driver(&lg_driver);
  }
  
  module_init(lg_init);
  module_exit(lg_exit);
  MODULE_LICENSE("GPL");