drivers/usb/input/hid-ff.c

   1 /*
   2  * $Id: hid-ff.c,v 1.2 2002/04/18 22:02:47 jdeneux Exp $
   3  *
   4  *  Force feedback support for hid devices.
   5  *  Not all hid devices use the same protocol. For example, some use PID,
   6  *  other use their own proprietary procotol.
   7  *
   8  *  Copyright (c) 2002-2004 Johann Deneux
   9  */
  10
  11 /*
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  25  *
  26  * Should you need to contact me, the author, you can do so by
  27  * e-mail - mail your message to <johann.deneux@it.uu.se>
  28  */
  29
  30 #include <linux/input.h>
  31
  32 #undef DEBUG
  33 #include <linux/usb.h>
  34
  35 #include <linux/hid.h>
  36
  37 /*
  38  * This table contains pointers to initializers. To add support for new
  39  * devices, you need to add the USB vendor and product ids here.
  40  */
  41 struct hid_ff_initializer {
  42         u16 idVendor;
  43         u16 idProduct;
  44         int (*init)(struct hid_device*);
  45 };
  46
  47 /*
  48  * We try pidff when no other driver is found because PID is the
  49  * standards compliant way of implementing force feedback in HID.
  50  * pidff_init() will quickly abort if the device doesn't appear to
  51  * be a PID device
  52  */
  53 static struct hid_ff_initializer inits[] = {
  54 #ifdef CONFIG_LOGITECH_FF
  55         { 0x46d, 0xc211, hid_lgff_init }, /* Logitech Cordless rumble pad */
  56         { 0x46d, 0xc283, hid_lgff_init }, /* Logitech Wingman Force 3d */
  57         { 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */
  58         { 0x46d, 0xc219, hid_lgff_init }, /* Logitech Cordless rumble pad 2 */
  59 #endif
  60 #ifdef CONFIG_THRUSTMASTER_FF
  61         { 0x44f, 0xb304, hid_tmff_init },
  62 #endif
  63 #ifdef CONFIG_ZEROPLUS_FF
  64         { 0xc12, 0x0005, hid_zpff_init },
  65         { 0xc12, 0x0030, hid_zpff_init },
  66 #endif
  67         { 0,     0,      hid_pidff_init}  /* Matches anything */
  68 };
  69
  70 int hid_ff_init(struct hid_device* hid)
  71 {
  72         struct hid_ff_initializer *init;
  73         int vendor = le16_to_cpu(to_usb_device(hid->dev)->descriptor.idVendor);
  74         int product = le16_to_cpu(to_usb_device(hid->dev)->descriptor.idProduct);
  75
  76         for (init = inits; init->idVendor; init++)
  77                 if (init->idVendor == vendor && init->idProduct == product)
  78                         break;
  79
  80         return init->init(hid);
  81 }
  82 EXPORT_SYMBOL_GPL(hid_ff_init);
  83