/* *  Force feedback support for hid devices. *  Not all hid devices use the same protocol. For example, some use PID, *  other use their own proprietary procotol. * *  Copyright (c) 2002-2004 Johann Deneux *//* * 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Should you need to contact me, the author, you can do so by * e-mail - mail your message to <johann.deneux@it.uu.se> */#include <linux/input.h>#undef DEBUG#include <linux/usb.h>#include <linux/hid.h>#include "usbhid.h"/* * This table contains pointers to initializers. To add support for new * devices, you need to add the USB vendor and product ids here. */struct hid_ff_initializer {	u16 idVendor;	u16 idProduct;	int (*init)(struct hid_device*);};/* * We try pidff when no other driver is found because PID is the * standards compliant way of implementing force feedback in HID. * pidff_init() will quickly abort if the device doesn't appear to * be a PID device */static struct hid_ff_initializer inits[] = {#ifdef CONFIG_LOGITECH_FF	{ 0x46d, 0xc211, hid_lgff_init }, /* Logitech Cordless rumble pad */	{ 0x46d, 0xc219, hid_lgff_init }, /* Logitech Cordless rumble pad 2 */	{ 0x46d, 0xc283, hid_lgff_init }, /* Logitech Wingman Force 3d */	{ 0x46d, 0xc286, hid_lgff_init }, /* Logitech Force 3D Pro Joystick */	{ 0x46d, 0xc294, hid_lgff_init }, /* Logitech Formula Force EX */	{ 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */	{ 0x46d, 0xca03, hid_lgff_init }, /* Logitech MOMO force wheel */#endif#ifdef CONFIG_PANTHERLORD_FF	{ 0x810, 0x0001, hid_plff_init }, /* "Twin USB Joystick" */	{ 0xe8f, 0x0003, hid_plff_init }, /* "GreenAsia Inc.    USB Joystick     " */#endif#ifdef CONFIG_THRUSTMASTER_FF	{ 0x44f, 0xb300, hid_tmff_init },	{ 0x44f, 0xb304, hid_tmff_init },	{ 0x44f, 0xb651, hid_tmff_init }, /* FGT Rumble Force Wheel */	{ 0x44f, 0xb654, hid_tmff_init }, /* FGT Force Feedback Wheel */#endif#ifdef CONFIG_ZEROPLUS_FF	{ 0xc12, 0x0005, hid_zpff_init },	{ 0xc12, 0x0030, hid_zpff_init },#endif	{ 0,	 0,	 hid_pidff_init}  /* Matches anything */};int hid_ff_init(struct hid_device* hid){	struct hid_ff_initializer *init;	int vendor = le16_to_cpu(hid_to_usb_dev(hid)->descriptor.idVendor);	int product = le16_to_cpu(hid_to_usb_dev(hid)->descriptor.idProduct);	for (init = inits; init->idVendor; init++)		if (init->idVendor == vendor && init->idProduct == product)			break;	return init->init(hid);}EXPORT_SYMBOL_GPL(hid_ff_init);