/* * $Id: hid-ff.c,v 1.2 2002/04/18 22:02:47 jdeneux Exp $ * *  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 "hid.h"/* Drivers' initializing functions */extern int hid_lgff_init(struct hid_device* hid);extern int hid_lg3d_init(struct hid_device* hid);extern int hid_pid_init(struct hid_device* hid);extern int hid_tmff_init(struct hid_device* hid);/* * 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*);};static struct hid_ff_initializer inits[] = {#ifdef CONFIG_LOGITECH_FF	{0x46d, 0xc211, hid_lgff_init}, // Logitech Cordless rumble pad	{0x46d, 0xc283, hid_lgff_init}, // Logitech Wingman Force 3d	{0x46d, 0xc295, hid_lgff_init},	// Logitech MOMO force wheel#endif#ifdef CONFIG_HID_PID	{0x45e, 0x001b, hid_pid_init},#endif#ifdef CONFIG_THRUSTMASTER_FF	{0x44f, 0xb304, hid_tmff_init},#endif	{0, 0, NULL} /* Terminating entry */};static struct hid_ff_initializer *hid_get_ff_init(__u16 idVendor,						  __u16 idProduct){	struct hid_ff_initializer *init;	for (init = inits;	     init->idVendor	     && !(init->idVendor == idVendor		  && init->idProduct == idProduct);	     init++);	return init->idVendor? init : NULL;}int hid_ff_init(struct hid_device* hid){	struct hid_ff_initializer *init;	init = hid_get_ff_init(hid->dev->descriptor.idVendor,			       hid->dev->descriptor.idProduct);	if (!init) {		dbg("hid_ff_init could not find initializer");		return -ENOSYS;	}	return init->init(hid);}