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Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * Force feedback support for hid devices. |
3 | * Not all hid devices use the same protocol. For example, some use PID, | |
4 | * other use their own proprietary procotol. | |
5 | * | |
6 | * Copyright (c) 2002-2004 Johann Deneux | |
7 | */ | |
8 | ||
9 | /* | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | * | |
24 | * Should you need to contact me, the author, you can do so by | |
25 | * e-mail - mail your message to <johann.deneux@it.uu.se> | |
26 | */ | |
27 | ||
28 | #include <linux/input.h> | |
29 | ||
30 | #undef DEBUG | |
31 | #include <linux/usb.h> | |
32 | ||
dde5845a | 33 | #include <linux/hid.h> |
be820975 | 34 | #include "usbhid.h" |
1da177e4 | 35 | |
1da177e4 LT |
36 | /* |
37 | * This table contains pointers to initializers. To add support for new | |
38 | * devices, you need to add the USB vendor and product ids here. | |
39 | */ | |
40 | struct hid_ff_initializer { | |
41 | u16 idVendor; | |
42 | u16 idProduct; | |
43 | int (*init)(struct hid_device*); | |
44 | }; | |
45 | ||
224ee88f AH |
46 | /* |
47 | * We try pidff when no other driver is found because PID is the | |
48 | * standards compliant way of implementing force feedback in HID. | |
49 | * pidff_init() will quickly abort if the device doesn't appear to | |
50 | * be a PID device | |
51 | */ | |
1da177e4 | 52 | static struct hid_ff_initializer inits[] = { |
bb3caf7f AH |
53 | #ifdef CONFIG_ZEROPLUS_FF |
54 | { 0xc12, 0x0005, hid_zpff_init }, | |
55 | { 0xc12, 0x0030, hid_zpff_init }, | |
1da177e4 | 56 | #endif |
224ee88f | 57 | { 0, 0, hid_pidff_init} /* Matches anything */ |
1da177e4 LT |
58 | }; |
59 | ||
1da177e4 LT |
60 | int hid_ff_init(struct hid_device* hid) |
61 | { | |
62 | struct hid_ff_initializer *init; | |
be820975 AH |
63 | int vendor = le16_to_cpu(hid_to_usb_dev(hid)->descriptor.idVendor); |
64 | int product = le16_to_cpu(hid_to_usb_dev(hid)->descriptor.idProduct); | |
1da177e4 | 65 | |
224ee88f AH |
66 | for (init = inits; init->idVendor; init++) |
67 | if (init->idVendor == vendor && init->idProduct == product) | |
68 | break; | |
1da177e4 | 69 | |
1da177e4 LT |
70 | return init->init(hid); |
71 | } | |
229695e5 JK |
72 | EXPORT_SYMBOL_GPL(hid_ff_init); |
73 |