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1/*
2 * PlayStation 2 Trance Vibrator driver
3 *
4 * Copyright (C) 2006 Sam Hocevar <sam@zoy.org>
5 *
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.
10 *
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.
15 *
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.
19 */
20
21/* Standard include files */
22#include <linux/kernel.h>
23#include <linux/errno.h>
24#include <linux/init.h>
25#include <linux/slab.h>
26#include <linux/module.h>
27#include <linux/usb.h>
28
29/* Version Information */
30#define DRIVER_VERSION "v1.1"
31#define DRIVER_AUTHOR "Sam Hocevar, sam@zoy.org"
32#define DRIVER_DESC "PlayStation 2 Trance Vibrator driver"
33
34#define TRANCEVIBRATOR_VENDOR_ID 0x0b49 /* ASCII Corporation */
35#define TRANCEVIBRATOR_PRODUCT_ID 0x064f /* Trance Vibrator */
36
37static const struct usb_device_id id_table[] = {
38 { USB_DEVICE(TRANCEVIBRATOR_VENDOR_ID, TRANCEVIBRATOR_PRODUCT_ID) },
39 { },
40};
41MODULE_DEVICE_TABLE (usb, id_table);
42
43/* Driver-local specific stuff */
44struct trancevibrator {
45 struct usb_device *udev;
46 unsigned int speed;
47};
48
49static ssize_t show_speed(struct device *dev, struct device_attribute *attr,
50 char *buf)
51{
52 struct usb_interface *intf = to_usb_interface(dev);
53 struct trancevibrator *tv = usb_get_intfdata(intf);
54
55 return sprintf(buf, "%d\n", tv->speed);
56}
57
58static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
59 const char *buf, size_t count)
60{
61 struct usb_interface *intf = to_usb_interface(dev);
62 struct trancevibrator *tv = usb_get_intfdata(intf);
63 int temp, retval, old;
64
65 temp = simple_strtoul(buf, NULL, 10);
66 if (temp > 255)
67 temp = 255;
68 else if (temp < 0)
69 temp = 0;
70 old = tv->speed;
71 tv->speed = temp;
72
73 dev_dbg(&tv->udev->dev, "speed = %d\n", tv->speed);
74
75 /* Set speed */
76 retval = usb_control_msg(tv->udev, usb_sndctrlpipe(tv->udev, 0),
77 0x01, /* vendor request: set speed */
78 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
79 tv->speed, /* speed value */
80 0, NULL, 0, USB_CTRL_GET_TIMEOUT);
81 if (retval) {
82 tv->speed = old;
83 dev_dbg(&tv->udev->dev, "retval = %d\n", retval);
84 return retval;
85 }
86 return count;
87}
88
89static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR, show_speed, set_speed);
90
91static int tv_probe(struct usb_interface *interface,
92 const struct usb_device_id *id)
93{
94 struct usb_device *udev = interface_to_usbdev(interface);
95 struct trancevibrator *dev;
96 int retval;
97
98 dev = kzalloc(sizeof(struct trancevibrator), GFP_KERNEL);
99 if (dev == NULL) {
100 dev_err(&interface->dev, "Out of memory\n");
101 retval = -ENOMEM;
102 goto error;
103 }
104
105 dev->udev = usb_get_dev(udev);
106 usb_set_intfdata(interface, dev);
107 retval = device_create_file(&interface->dev, &dev_attr_speed);
108 if (retval)
109 goto error_create_file;
110
111 return 0;
112
113error_create_file:
114 usb_put_dev(udev);
115 usb_set_intfdata(interface, NULL);
116error:
117 kfree(dev);
118 return retval;
119}
120
121static void tv_disconnect(struct usb_interface *interface)
122{
123 struct trancevibrator *dev;
124
125 dev = usb_get_intfdata (interface);
126 device_remove_file(&interface->dev, &dev_attr_speed);
127 usb_set_intfdata(interface, NULL);
128 usb_put_dev(dev->udev);
129 kfree(dev);
130}
131
132/* USB subsystem object */
133static struct usb_driver tv_driver = {
134 .name = "trancevibrator",
135 .probe = tv_probe,
136 .disconnect = tv_disconnect,
137 .id_table = id_table,
138};
139
140static int __init tv_init(void)
141{
142 int retval = usb_register(&tv_driver);
143 if (retval) {
144 err("usb_register failed. Error number %d", retval);
145 return retval;
146 }
147
148 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
149 DRIVER_DESC "\n");
150 return 0;
151}
152
153static void __exit tv_exit(void)
154{
155 usb_deregister(&tv_driver);
156}
157
158module_init (tv_init);
159module_exit (tv_exit);
160
161MODULE_AUTHOR(DRIVER_AUTHOR);
162MODULE_DESCRIPTION(DRIVER_DESC);
163MODULE_LICENSE("GPL");
1/*
2 * PlayStation 2 Trance Vibrator driver
3 *
4 * Copyright (C) 2006 Sam Hocevar <sam@zoy.org>
5 *
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.
10 *
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.
15 *
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.
19 */
20
21/* Standard include files */
22#include <linux/kernel.h>
23#include <linux/errno.h>
24#include <linux/slab.h>
25#include <linux/module.h>
26#include <linux/usb.h>
27
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"
32
33#define TRANCEVIBRATOR_VENDOR_ID 0x0b49 /* ASCII Corporation */
34#define TRANCEVIBRATOR_PRODUCT_ID 0x064f /* Trance Vibrator */
35
36static const struct usb_device_id id_table[] = {
37 { USB_DEVICE(TRANCEVIBRATOR_VENDOR_ID, TRANCEVIBRATOR_PRODUCT_ID) },
38 { },
39};
40MODULE_DEVICE_TABLE (usb, id_table);
41
42/* Driver-local specific stuff */
43struct trancevibrator {
44 struct usb_device *udev;
45 unsigned int speed;
46};
47
48static ssize_t show_speed(struct device *dev, struct device_attribute *attr,
49 char *buf)
50{
51 struct usb_interface *intf = to_usb_interface(dev);
52 struct trancevibrator *tv = usb_get_intfdata(intf);
53
54 return sprintf(buf, "%d\n", tv->speed);
55}
56
57static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
58 const char *buf, size_t count)
59{
60 struct usb_interface *intf = to_usb_interface(dev);
61 struct trancevibrator *tv = usb_get_intfdata(intf);
62 int temp, retval, old;
63
64 temp = simple_strtoul(buf, NULL, 10);
65 if (temp > 255)
66 temp = 255;
67 else if (temp < 0)
68 temp = 0;
69 old = tv->speed;
70 tv->speed = temp;
71
72 dev_dbg(&tv->udev->dev, "speed = %d\n", tv->speed);
73
74 /* Set speed */
75 retval = usb_control_msg(tv->udev, usb_sndctrlpipe(tv->udev, 0),
76 0x01, /* vendor request: set speed */
77 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
78 tv->speed, /* speed value */
79 0, NULL, 0, USB_CTRL_GET_TIMEOUT);
80 if (retval) {
81 tv->speed = old;
82 dev_dbg(&tv->udev->dev, "retval = %d\n", retval);
83 return retval;
84 }
85 return count;
86}
87
88static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR, show_speed, set_speed);
89
90static int tv_probe(struct usb_interface *interface,
91 const struct usb_device_id *id)
92{
93 struct usb_device *udev = interface_to_usbdev(interface);
94 struct trancevibrator *dev;
95 int retval;
96
97 dev = kzalloc(sizeof(struct trancevibrator), GFP_KERNEL);
98 if (dev == NULL) {
99 dev_err(&interface->dev, "Out of memory\n");
100 retval = -ENOMEM;
101 goto error;
102 }
103
104 dev->udev = usb_get_dev(udev);
105 usb_set_intfdata(interface, dev);
106 retval = device_create_file(&interface->dev, &dev_attr_speed);
107 if (retval)
108 goto error_create_file;
109
110 return 0;
111
112error_create_file:
113 usb_put_dev(udev);
114 usb_set_intfdata(interface, NULL);
115error:
116 kfree(dev);
117 return retval;
118}
119
120static void tv_disconnect(struct usb_interface *interface)
121{
122 struct trancevibrator *dev;
123
124 dev = usb_get_intfdata (interface);
125 device_remove_file(&interface->dev, &dev_attr_speed);
126 usb_set_intfdata(interface, NULL);
127 usb_put_dev(dev->udev);
128 kfree(dev);
129}
130
131/* USB subsystem object */
132static struct usb_driver tv_driver = {
133 .name = "trancevibrator",
134 .probe = tv_probe,
135 .disconnect = tv_disconnect,
136 .id_table = id_table,
137};
138
139module_usb_driver(tv_driver);
140
141MODULE_AUTHOR(DRIVER_AUTHOR);
142MODULE_DESCRIPTION(DRIVER_DESC);
143MODULE_LICENSE("GPL");