tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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 "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 */
41struct hid_ff_initializer {
42 u16 idVendor;
43 u16 idProduct;
44 int (*init)(struct hid_device*);
45};
46
47static struct hid_ff_initializer inits[] = {
48#ifdef CONFIG_LOGITECH_FF
49 {0x46d, 0xc211, hid_lgff_init}, // Logitech Cordless rumble pad
50 {0x46d, 0xc283, hid_lgff_init}, // Logitech Wingman Force 3d
51 {0x46d, 0xc295, hid_lgff_init}, // Logitech MOMO force wheel
52 {0x46d, 0xc219, hid_lgff_init}, // Logitech Cordless rumble pad 2
53#endif
54#ifdef CONFIG_HID_PID
55 {0x45e, 0x001b, hid_pid_init},
56#endif
57#ifdef CONFIG_THRUSTMASTER_FF
58 {0x44f, 0xb304, hid_tmff_init},
59#endif
60 {0, 0, NULL} /* Terminating entry */
61};
62
63static struct hid_ff_initializer *hid_get_ff_init(__u16 idVendor,
64 __u16 idProduct)
65{
66 struct hid_ff_initializer *init;
67 for (init = inits;
68 init->idVendor
69 && !(init->idVendor == idVendor
70 && init->idProduct == idProduct);
71 init++);
72
73 return init->idVendor? init : NULL;
74}
75
76int hid_ff_init(struct hid_device* hid)
77{
78 struct hid_ff_initializer *init;
79
80 init = hid_get_ff_init(le16_to_cpu(hid->dev->descriptor.idVendor),
81 le16_to_cpu(hid->dev->descriptor.idProduct));
82
83 if (!init) {
84 dbg("hid_ff_init could not find initializer");
85 return -ENOSYS;
86 }
87 return init->init(hid);
88}