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) 2007 Paul Walmsley
8 * Copyright (c) 2008 Jiri Slaby
9 * Copyright (c) 2006-2008 Jiri Kosina
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 #define VAIO_RDESC_CONSTANT 0x0001
27
28 struct sony_sc {
29 unsigned long quirks;
30 };
31
32 /* Sony Vaio VGX has wrongly mouse pointer declared as constant */
33 static void sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
34 unsigned int rsize)
35 {
36 struct sony_sc *sc = hid_get_drvdata(hdev);
37
38 if ((sc->quirks & VAIO_RDESC_CONSTANT) &&
39 rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) {
40 dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report "
41 "descriptor\n");
42 rdesc[55] = 0x06;
43 }
44 }
45
46 /*
47 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
48 * to "operational". Without this, the ps3 controller will not report any
49 * events.
50 */
51 static int sony_set_operational(struct hid_device *hdev)
52 {
53 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
54 struct usb_device *dev = interface_to_usbdev(intf);
55 __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
56 int ret;
57 char *buf = kmalloc(18, GFP_KERNEL);
58
59 if (!buf)
60 return -ENOMEM;
61
62 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
63 HID_REQ_GET_REPORT,
64 USB_DIR_IN | USB_TYPE_CLASS |
65 USB_RECIP_INTERFACE,
66 (3 << 8) | 0xf2, ifnum, buf, 17,
67 USB_CTRL_GET_TIMEOUT);
68 if (ret < 0)
69 dev_err(&hdev->dev, "can't set operational mode\n");
70
71 kfree(buf);
72
73 return ret;
74 }
75
76 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
77 {
78 int ret;
79 unsigned long quirks = id->driver_data;
80 struct sony_sc *sc;
81
82 sc = kzalloc(sizeof(*sc), GFP_KERNEL);
83 if (sc == NULL) {
84 dev_err(&hdev->dev, "can't alloc apple descriptor\n");
85 return -ENOMEM;
86 }
87
88 sc->quirks = quirks;
89 hid_set_drvdata(hdev, sc);
90
91 ret = hid_parse(hdev);
92 if (ret) {
93 dev_err(&hdev->dev, "parse failed\n");
94 goto err_free;
95 }
96
97 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT |
98 HID_CONNECT_HIDDEV_FORCE);
99 if (ret) {
100 dev_err(&hdev->dev, "hw start failed\n");
101 goto err_free;
102 }
103
104 ret = sony_set_operational(hdev);
105 if (ret < 0)
106 goto err_stop;
107
108 return 0;
109 err_stop:
110 hid_hw_stop(hdev);
111 err_free:
112 kfree(sc);
113 return ret;
114 }
115
116 static void sony_remove(struct hid_device *hdev)
117 {
118 hid_hw_stop(hdev);
119 kfree(hid_get_drvdata(hdev));
120 }
121
122 static const struct hid_device_id sony_devices[] = {
123 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
124 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
125 .driver_data = VAIO_RDESC_CONSTANT },
126 { }
127 };
128 MODULE_DEVICE_TABLE(hid, sony_devices);
129
130 static struct hid_driver sony_driver = {
131 .name = "sony",
132 .id_table = sony_devices,
133 .probe = sony_probe,
134 .remove = sony_remove,
135 .report_fixup = sony_report_fixup,
136 };
137
138 static int sony_init(void)
139 {
140 return hid_register_driver(&sony_driver);
141 }
142
143 static void sony_exit(void)
144 {
145 hid_unregister_driver(&sony_driver);
146 }
147
148 module_init(sony_init);
149 module_exit(sony_exit);
150 MODULE_LICENSE("GPL");
151
|
This page was automatically generated by the
LXR engine.
|