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bd28ce00 JS |
1 | /* |
2 | * HID driver for some sony "special" devices | |
3 | * | |
4 | * Copyright (c) 1999 Andreas Gal | |
5 | * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> | |
6 | * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc | |
7 | * Copyright (c) 2006-2007 Jiri Kosina | |
8 | * Copyright (c) 2007 Paul Walmsley | |
9 | * Copyright (c) 2008 Jiri Slaby | |
10 | */ | |
11 | ||
12 | /* | |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the Free | |
15 | * Software Foundation; either version 2 of the License, or (at your option) | |
16 | * any later version. | |
17 | */ | |
18 | ||
19 | #include <linux/device.h> | |
20 | #include <linux/hid.h> | |
21 | #include <linux/module.h> | |
22 | #include <linux/usb.h> | |
23 | ||
24 | #include "hid-ids.h" | |
25 | ||
26 | /* | |
27 | * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller | |
28 | * to "operational". Without this, the ps3 controller will not report any | |
29 | * events. | |
30 | */ | |
31 | static int sony_set_operational(struct hid_device *hdev) | |
32 | { | |
33 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
34 | struct usb_device *dev = interface_to_usbdev(intf); | |
35 | __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; | |
36 | int ret; | |
37 | char *buf = kmalloc(18, GFP_KERNEL); | |
38 | ||
39 | if (!buf) | |
40 | return -ENOMEM; | |
41 | ||
42 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
43 | HID_REQ_GET_REPORT, | |
44 | USB_DIR_IN | USB_TYPE_CLASS | | |
45 | USB_RECIP_INTERFACE, | |
46 | (3 << 8) | 0xf2, ifnum, buf, 17, | |
47 | USB_CTRL_GET_TIMEOUT); | |
48 | if (ret < 0) | |
49 | dev_err(&hdev->dev, "can't set operational mode\n"); | |
50 | ||
51 | kfree(buf); | |
52 | ||
53 | return ret; | |
54 | } | |
55 | ||
56 | static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
57 | { | |
58 | int ret; | |
59 | ||
60 | hdev->quirks |= HID_QUIRK_HIDDEV; | |
61 | ||
62 | ret = hid_parse(hdev); | |
63 | if (ret) { | |
64 | dev_err(&hdev->dev, "parse failed\n"); | |
65 | goto err_free; | |
66 | } | |
67 | ||
68 | ret = hid_hw_start(hdev); | |
69 | if (ret) { | |
70 | dev_err(&hdev->dev, "hw start failed\n"); | |
71 | goto err_free; | |
72 | } | |
73 | ||
74 | ret = sony_set_operational(hdev); | |
75 | if (ret) | |
76 | goto err_stop; | |
77 | ||
78 | return 0; | |
79 | err_stop: | |
80 | hid_hw_stop(hdev); | |
81 | err_free: | |
82 | return ret; | |
83 | } | |
84 | ||
85 | static const struct hid_device_id sony_devices[] = { | |
86 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, | |
87 | { } | |
88 | }; | |
89 | MODULE_DEVICE_TABLE(hid, sony_devices); | |
90 | ||
91 | static struct hid_driver sony_driver = { | |
92 | .name = "sony", | |
93 | .id_table = sony_devices, | |
94 | .probe = sony_probe, | |
95 | }; | |
96 | ||
97 | static int sony_init(void) | |
98 | { | |
99 | return hid_register_driver(&sony_driver); | |
100 | } | |
101 | ||
102 | static void sony_exit(void) | |
103 | { | |
104 | hid_unregister_driver(&sony_driver); | |
105 | } | |
106 | ||
107 | module_init(sony_init); | |
108 | module_exit(sony_exit); | |
109 | MODULE_LICENSE("GPL"); | |
110 | ||
111 | HID_COMPAT_LOAD_DRIVER(sony); |