129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* PlayStation 2 Trance Vibrator driver
|
|
*
|
|
* Copyright (C) 2006 Sam Hocevar <sam@zoy.org>
|
|
*/
|
|
|
|
/* Standard include files */
|
|
#include <linux/kernel.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/module.h>
|
|
#include <linux/usb.h>
|
|
|
|
#define DRIVER_AUTHOR "Sam Hocevar, sam@zoy.org"
|
|
#define DRIVER_DESC "PlayStation 2 Trance Vibrator driver"
|
|
|
|
#define TRANCEVIBRATOR_VENDOR_ID 0x0b49 /* ASCII Corporation */
|
|
#define TRANCEVIBRATOR_PRODUCT_ID 0x064f /* Trance Vibrator */
|
|
|
|
static const struct usb_device_id id_table[] = {
|
|
{ USB_DEVICE(TRANCEVIBRATOR_VENDOR_ID, TRANCEVIBRATOR_PRODUCT_ID) },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE (usb, id_table);
|
|
|
|
/* Driver-local specific stuff */
|
|
struct trancevibrator {
|
|
struct usb_device *udev;
|
|
unsigned int speed;
|
|
};
|
|
|
|
static ssize_t speed_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct usb_interface *intf = to_usb_interface(dev);
|
|
struct trancevibrator *tv = usb_get_intfdata(intf);
|
|
|
|
return sprintf(buf, "%d\n", tv->speed);
|
|
}
|
|
|
|
static ssize_t speed_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct usb_interface *intf = to_usb_interface(dev);
|
|
struct trancevibrator *tv = usb_get_intfdata(intf);
|
|
int temp, retval, old;
|
|
|
|
retval = kstrtoint(buf, 10, &temp);
|
|
if (retval)
|
|
return retval;
|
|
if (temp > 255)
|
|
temp = 255;
|
|
else if (temp < 0)
|
|
temp = 0;
|
|
old = tv->speed;
|
|
tv->speed = temp;
|
|
|
|
dev_dbg(&tv->udev->dev, "speed = %d\n", tv->speed);
|
|
|
|
/* Set speed */
|
|
retval = usb_control_msg(tv->udev, usb_sndctrlpipe(tv->udev, 0),
|
|
0x01, /* vendor request: set speed */
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
|
|
tv->speed, /* speed value */
|
|
0, NULL, 0, USB_CTRL_SET_TIMEOUT);
|
|
if (retval) {
|
|
tv->speed = old;
|
|
dev_dbg(&tv->udev->dev, "retval = %d\n", retval);
|
|
return retval;
|
|
}
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR_RW(speed);
|
|
|
|
static struct attribute *tv_attrs[] = {
|
|
&dev_attr_speed.attr,
|
|
NULL,
|
|
};
|
|
ATTRIBUTE_GROUPS(tv);
|
|
|
|
static int tv_probe(struct usb_interface *interface,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_device *udev = interface_to_usbdev(interface);
|
|
struct trancevibrator *dev;
|
|
int retval;
|
|
|
|
dev = kzalloc(sizeof(struct trancevibrator), GFP_KERNEL);
|
|
if (!dev) {
|
|
retval = -ENOMEM;
|
|
goto error;
|
|
}
|
|
|
|
dev->udev = usb_get_dev(udev);
|
|
usb_set_intfdata(interface, dev);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
kfree(dev);
|
|
return retval;
|
|
}
|
|
|
|
static void tv_disconnect(struct usb_interface *interface)
|
|
{
|
|
struct trancevibrator *dev;
|
|
|
|
dev = usb_get_intfdata (interface);
|
|
usb_set_intfdata(interface, NULL);
|
|
usb_put_dev(dev->udev);
|
|
kfree(dev);
|
|
}
|
|
|
|
/* USB subsystem object */
|
|
static struct usb_driver tv_driver = {
|
|
.name = "trancevibrator",
|
|
.probe = tv_probe,
|
|
.disconnect = tv_disconnect,
|
|
.id_table = id_table,
|
|
.dev_groups = tv_groups,
|
|
};
|
|
|
|
module_usb_driver(tv_driver);
|
|
|
|
MODULE_AUTHOR(DRIVER_AUTHOR);
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE("GPL");
|