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/* Drivers' initializing functions */
38extern int hid_lgff_init(struct hid_device* hid);
39extern int hid_lg3d_init(struct hid_device* hid);
40extern int hid_pid_init(struct hid_device* hid);
41extern int hid_tmff_init(struct hid_device* hid);
42
43/*
44 * This table contains pointers to initializers. To add support for new
45 * devices, you need to add the USB vendor and product ids here.
46 */
47struct hid_ff_initializer {
48 u16 idVendor;
49 u16 idProduct;
50 int (*init)(struct hid_device*);
51};
52
53static 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_HID_PID
61 {0x45e, 0x001b, hid_pid_init},
62#endif
63#ifdef CONFIG_THRUSTMASTER_FF
64 {0x44f, 0xb304, hid_tmff_init},
65#endif
66 {0, 0, NULL} /* Terminating entry */
67};
68
69static struct hid_ff_initializer *hid_get_ff_init(__u16 idVendor,
70 __u16 idProduct)
71{
72 struct hid_ff_initializer *init;
73 for (init = inits;
74 init->idVendor
75 && !(init->idVendor == idVendor
76 && init->idProduct == idProduct);
77 init++);
78
79 return init->idVendor? init : NULL;
80}
81
82int hid_ff_init(struct hid_device* hid)
83{
84 struct hid_ff_initializer *init;
85
86 init = hid_get_ff_init(le16_to_cpu(hid->dev->descriptor.idVendor),
87 le16_to_cpu(hid->dev->descriptor.idProduct));
88
89 if (!init) {
90 dbg("hid_ff_init could not find initializer");
91 return -ENOSYS;
92 }
93 return init->init(hid);
94}