2 * PlayStation 2 Trance Vibrator driver
4 * Copyright (C) 2006 Sam Hocevar <sam@zoy.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 /* Standard include files */
22 #include <linux/kernel.h>
23 #include <linux/errno.h>
24 #include <linux/init.h>
25 #include <linux/module.h>
26 #include <linux/usb.h>
28 /* Version Information */
29 #define DRIVER_VERSION "v1.1"
30 #define DRIVER_AUTHOR "Sam Hocevar, sam@zoy.org"
31 #define DRIVER_DESC "PlayStation 2 Trance Vibrator driver"
33 #define TRANCEVIBRATOR_VENDOR_ID 0x0b49 /* ASCII Corporation */
34 #define TRANCEVIBRATOR_PRODUCT_ID 0x064f /* Trance Vibrator */
36 static struct usb_device_id id_table [] = {
37 { USB_DEVICE(TRANCEVIBRATOR_VENDOR_ID, TRANCEVIBRATOR_PRODUCT_ID) },
40 MODULE_DEVICE_TABLE (usb, id_table);
42 /* Driver-local specific stuff */
43 struct trancevibrator {
44 struct usb_device *udev;
48 static ssize_t show_speed(struct device *dev, struct device_attribute *attr,
51 struct usb_interface *intf = to_usb_interface(dev);
52 struct trancevibrator *tv = usb_get_intfdata(intf);
54 return sprintf(buf, "%d\n", tv->speed);
57 static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
58 const char *buf, size_t count)
60 struct usb_interface *intf = to_usb_interface(dev);
61 struct trancevibrator *tv = usb_get_intfdata(intf);
64 temp = simple_strtoul(buf, NULL, 10);
71 dev_dbg(&tv->udev->dev, "speed = %d\n", tv->speed);
74 retval = usb_control_msg(tv->udev, usb_sndctrlpipe(tv->udev, 0),
75 0x01, /* vendor request: set speed */
76 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
77 tv->speed, /* speed value */
78 0, NULL, 0, USB_CTRL_GET_TIMEOUT);
80 dev_dbg(&tv->udev->dev, "retval = %d\n", retval);
86 static DEVICE_ATTR(speed, S_IWUGO | S_IRUGO, show_speed, set_speed);
88 static int tv_probe(struct usb_interface *interface,
89 const struct usb_device_id *id)
91 struct usb_device *udev = interface_to_usbdev(interface);
92 struct trancevibrator *dev;
95 dev = kzalloc(sizeof(struct trancevibrator), GFP_KERNEL);
97 dev_err(&interface->dev, "Out of memory\n");
102 dev->udev = usb_get_dev(udev);
103 usb_set_intfdata(interface, dev);
104 retval = device_create_file(&interface->dev, &dev_attr_speed);
106 goto error_create_file;
112 usb_set_intfdata(interface, NULL);
118 static void tv_disconnect(struct usb_interface *interface)
120 struct trancevibrator *dev;
122 dev = usb_get_intfdata (interface);
123 usb_set_intfdata(interface, NULL);
124 device_remove_file(&interface->dev, &dev_attr_speed);
125 usb_put_dev(dev->udev);
129 /* USB subsystem object */
130 static struct usb_driver tv_driver = {
131 .name = "trancevibrator",
133 .disconnect = tv_disconnect,
134 .id_table = id_table,
137 static int __init tv_init(void)
139 int retval = usb_register(&tv_driver);
141 err("usb_register failed. Error number %d", retval);
145 info(DRIVER_VERSION ":" DRIVER_DESC);
149 static void __exit tv_exit(void)
151 usb_deregister(&tv_driver);
154 module_init (tv_init);
155 module_exit (tv_exit);
157 MODULE_AUTHOR(DRIVER_AUTHOR);
158 MODULE_DESCRIPTION(DRIVER_DESC);
159 MODULE_LICENSE("GPL");