blob: c2599388a3504ce4df3bb110f976dfab47581cf5 [file] [log] [blame]
Jiri Slabybd28ce02008-06-25 23:47:04 +02001/*
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
Jiri Slabybd28ce02008-06-25 23:47:04 +02007 * Copyright (c) 2007 Paul Walmsley
8 * Copyright (c) 2008 Jiri Slaby
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +02009 * Copyright (c) 2006-2008 Jiri Kosina
Jiri Slabybd28ce02008-06-25 23:47:04 +020010 */
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
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +020026#define VAIO_RDESC_CONSTANT 0x0001
27
28struct sony_sc {
29 unsigned long quirks;
30};
31
32/* Sony Vaio VGX has wrongly mouse pointer declared as constant */
33static 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
Jiri Slabybd28ce02008-06-25 23:47:04 +020046/*
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 */
51static 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
76static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
77{
78 int ret;
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +020079 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);
Jiri Slabybd28ce02008-06-25 23:47:04 +020090
Jiri Slabybd28ce02008-06-25 23:47:04 +020091 ret = hid_parse(hdev);
92 if (ret) {
93 dev_err(&hdev->dev, "parse failed\n");
94 goto err_free;
95 }
96
Jiri Slaby93c10132008-06-27 00:04:24 +020097 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT |
98 HID_CONNECT_HIDDEV_FORCE);
Jiri Slabybd28ce02008-06-25 23:47:04 +020099 if (ret) {
100 dev_err(&hdev->dev, "hw start failed\n");
101 goto err_free;
102 }
103
104 ret = sony_set_operational(hdev);
Jiri Kosina4dfdc462008-12-30 00:49:59 +0100105 if (ret < 0)
Jiri Slabybd28ce02008-06-25 23:47:04 +0200106 goto err_stop;
107
108 return 0;
109err_stop:
110 hid_hw_stop(hdev);
111err_free:
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +0200112 kfree(sc);
Jiri Slabybd28ce02008-06-25 23:47:04 +0200113 return ret;
114}
115
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +0200116static void sony_remove(struct hid_device *hdev)
117{
118 hid_hw_stop(hdev);
119 kfree(hid_get_drvdata(hdev));
120}
121
Jiri Slabybd28ce02008-06-25 23:47:04 +0200122static const struct hid_device_id sony_devices[] = {
123 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +0200124 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
125 .driver_data = VAIO_RDESC_CONSTANT },
Jiri Slabybd28ce02008-06-25 23:47:04 +0200126 { }
127};
128MODULE_DEVICE_TABLE(hid, sony_devices);
129
130static struct hid_driver sony_driver = {
131 .name = "sony",
132 .id_table = sony_devices,
133 .probe = sony_probe,
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +0200134 .remove = sony_remove,
135 .report_fixup = sony_report_fixup,
Jiri Slabybd28ce02008-06-25 23:47:04 +0200136};
137
138static int sony_init(void)
139{
140 return hid_register_driver(&sony_driver);
141}
142
143static void sony_exit(void)
144{
145 hid_unregister_driver(&sony_driver);
146}
147
148module_init(sony_init);
149module_exit(sony_exit);
150MODULE_LICENSE("GPL");