drivers/usb/input/xpad.c - kernel/msm-4.19 - Gitiles

 /*
  * X-Box gamepad - v0.0.5
  *
  * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de>
  *
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  *
  * This driver is based on:
  *  - information from     http://euc.jp/periphs/xbox-controller.ja.html
  *  - the iForce driver    drivers/char/joystick/iforce.c
  *  - the skeleton-driver  drivers/usb/usb-skeleton.c
  *
  * Thanks to:
  *  - ITO Takayuki for providing essential xpad information on his website
  *  - Vojtech Pavlik     - iforce driver / input subsystem
  *  - Greg Kroah-Hartman - usb-skeleton driver
  *
  * TODO:
  *  - fine tune axes
  *  - fix "analog" buttons (reported as digital now)
  *  - get rumble working
  *
  * History:
  *
  * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller"
  *
  * 2002-07-02 - 0.0.2 : basic working version
  *  - all axes and 9 of the 10 buttons work (german InterAct device)
  *  - the black button does not work
  *
  * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik
  *  - indentation fixes
  *  - usb + input init sequence fixes
  *
  * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3
  *  - verified the lack of HID and report descriptors
  *  - verified that ALL buttons WORK
  *  - fixed d-pad to axes mapping
  *
  * 2002-07-17 - 0.0.5 : simplified d-pad handling
  */

 #include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/input.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/smp_lock.h>
 #include <linux/usb.h>
 #include <linux/usb_input.h>

 #define DRIVER_VERSION "v0.0.5"
 #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>"
 #define DRIVER_DESC "X-Box pad driver"

 #define XPAD_PKT_LEN 32

 static const struct xpad_device {
 	u16 idVendor;
 	u16 idProduct;
 	char *name;
 } xpad_device[] = {
 	{ 0x045e, 0x0202, "Microsoft X-Box pad (US)" },
 	{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)" },
 	{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)" },
 	{ 0x0000, 0x0000, "X-Box pad" }
 };

 static const signed short xpad_btn[] = {
 	BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z,	/* "analog" buttons */
 	BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR,	/* start/back/sticks */
 	-1						/* terminating entry */
 };

 static const signed short xpad_abs[] = {
 	ABS_X, ABS_Y,		/* left stick */
 	ABS_RX, ABS_RY,		/* right stick */
 	ABS_Z, ABS_RZ,		/* triggers left/right */
 	ABS_HAT0X, ABS_HAT0Y,	/* digital pad */
 	-1			/* terminating entry */
 };

 static struct usb_device_id xpad_table [] = {
 	{ USB_INTERFACE_INFO('X', 'B', 0) },	/* X-Box USB-IF not approved class */
 	{ }
 };

 MODULE_DEVICE_TABLE (usb, xpad_table);

 struct usb_xpad {
 	struct input_dev *dev;			/* input device interface */
 	struct usb_device *udev;		/* usb device */

 	struct urb *irq_in;			/* urb for interrupt in report */
 	unsigned char *idata;			/* input data */
 	dma_addr_t idata_dma;

 	char phys[65];				/* physical device path */
 };

 /*
  *	xpad_process_packet
  *
  *	Completes a request by converting the data into events for the
  *	input subsystem.
  *
  *	The used report descriptor was taken from ITO Takayukis website:
  *	 http://euc.jp/periphs/xbox-controller.ja.html
  */

 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data, struct pt_regs *regs)
 {
 	struct input_dev *dev = xpad->dev;

 	input_regs(dev, regs);

 	/* left stick */
 	input_report_abs(dev, ABS_X, (__s16) (((__s16)data[13] << 8) | data[12]));
 	input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[15] << 8) | data[14]));

 	/* right stick */
 	input_report_abs(dev, ABS_RX, (__s16) (((__s16)data[17] << 8) | data[16]));
 	input_report_abs(dev, ABS_RY, (__s16) (((__s16)data[19] << 8) | data[18]));

 	/* triggers left/right */
 	input_report_abs(dev, ABS_Z, data[10]);
 	input_report_abs(dev, ABS_RZ, data[11]);

 	/* digital pad */
 	input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04));
 	input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01));

 	/* start/back buttons and stick press left/right */
 	input_report_key(dev, BTN_START, (data[2] & 0x10) >> 4);
 	input_report_key(dev, BTN_BACK, (data[2] & 0x20) >> 5);
 	input_report_key(dev, BTN_THUMBL, (data[2] & 0x40) >> 6);
 	input_report_key(dev, BTN_THUMBR, data[2] >> 7);

 	/* "analog" buttons A, B, X, Y */
 	input_report_key(dev, BTN_A, data[4]);
 	input_report_key(dev, BTN_B, data[5]);
 	input_report_key(dev, BTN_X, data[6]);
 	input_report_key(dev, BTN_Y, data[7]);

 	/* "analog" buttons black, white */
 	input_report_key(dev, BTN_C, data[8]);
 	input_report_key(dev, BTN_Z, data[9]);

 	input_sync(dev);
 }

 static void xpad_irq_in(struct urb *urb, struct pt_regs *regs)
 {
 	struct usb_xpad *xpad = urb->context;
 	int retval;

 	switch (urb->status) {
 	case 0:
 		/* success */
 		break;
 	case -ECONNRESET:
 	case -ENOENT:
 	case -ESHUTDOWN:
 		/* this urb is terminated, clean up */
 		dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 		return;
 	default:
 		dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 		goto exit;
 	}

 	xpad_process_packet(xpad, 0, xpad->idata, regs);

 exit:
 	retval = usb_submit_urb (urb, GFP_ATOMIC);
 	if (retval)
 		err ("%s - usb_submit_urb failed with result %d",
 		     __FUNCTION__, retval);
 }

 static int xpad_open (struct input_dev *dev)
 {
 	struct usb_xpad *xpad = dev->private;

 	xpad->irq_in->dev = xpad->udev;
 	if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
 		return -EIO;

 	return 0;
 }

 static void xpad_close (struct input_dev *dev)
 {
 	struct usb_xpad *xpad = dev->private;

 	usb_kill_urb(xpad->irq_in);
 }

 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct usb_device *udev = interface_to_usbdev (intf);
 	struct usb_xpad *xpad;
 	struct input_dev *input_dev;
 	struct usb_endpoint_descriptor *ep_irq_in;
 	int i;

 	for (i = 0; xpad_device[i].idVendor; i++) {
 		if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
 		    (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct))
 			break;
 	}

 	xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!xpad || !input_dev)
 		goto fail1;

 	xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN,
 				       SLAB_ATOMIC, &xpad->idata_dma);
 	if (!xpad->idata)
 		goto fail1;

 	xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
 	if (!xpad->irq_in)
 		goto fail2;

 	xpad->udev = udev;
 	xpad->dev = input_dev;
 	usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
 	strlcat(xpad->phys, "/input0", sizeof(xpad->phys));

 	input_dev->name = xpad_device[i].name;
 	input_dev->phys = xpad->phys;
 	usb_to_input_id(udev, &input_dev->id);
 	input_dev->cdev.dev = &intf->dev;
 	input_dev->private = xpad;
 	input_dev->open = xpad_open;
 	input_dev->close = xpad_close;

 	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);

 	for (i = 0; xpad_btn[i] >= 0; i++)
 		set_bit(xpad_btn[i], input_dev->keybit);

 	for (i = 0; xpad_abs[i] >= 0; i++) {

 		signed short t = xpad_abs[i];

 		set_bit(t, input_dev->absbit);

 		switch (t) {
 			case ABS_X:
 			case ABS_Y:
 			case ABS_RX:
 			case ABS_RY:	/* the two sticks */
 				input_set_abs_params(input_dev, t, -32768, 32767, 16, 128);
 				break;
 			case ABS_Z:
 			case ABS_RZ:	/* the triggers */
 				input_set_abs_params(input_dev, t, 0, 255, 0, 0);
 				break;
 			case ABS_HAT0X:
 			case ABS_HAT0Y:	/* the d-pad */
 				input_set_abs_params(input_dev, t, -1, 1, 0, 0);
 				break;
 		}
 	}

 	ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
 	usb_fill_int_urb(xpad->irq_in, udev,
 			 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
 			 xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
 			 xpad, ep_irq_in->bInterval);
 	xpad->irq_in->transfer_dma = xpad->idata_dma;
 	xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

 	input_register_device(xpad->dev);

 	usb_set_intfdata(intf, xpad);
 	return 0;

 fail2:	usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
 fail1:	input_free_device(input_dev);
 	kfree(xpad);
 	return -ENOMEM;

 }

 static void xpad_disconnect(struct usb_interface *intf)
 {
 	struct usb_xpad *xpad = usb_get_intfdata (intf);

 	usb_set_intfdata(intf, NULL);
 	if (xpad) {
 		usb_kill_urb(xpad->irq_in);
 		input_unregister_device(xpad->dev);
 		usb_free_urb(xpad->irq_in);
 		usb_buffer_free(interface_to_usbdev(intf), XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
 		kfree(xpad);
 	}
 }

 static struct usb_driver xpad_driver = {
 	.name		= "xpad",
 	.probe		= xpad_probe,
 	.disconnect	= xpad_disconnect,
 	.id_table	= xpad_table,
 };

 static int __init usb_xpad_init(void)
 {
 	int result = usb_register(&xpad_driver);
 	if (result == 0)
 		info(DRIVER_DESC ":" DRIVER_VERSION);
 	return result;
 }

 static void __exit usb_xpad_exit(void)
 {
 	usb_deregister(&xpad_driver);
 }

 module_init(usb_xpad_init);
 module_exit(usb_xpad_exit);

 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
	/*
	* X-Box gamepad - v0.0.5
	*
	* Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de>
	*
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License as
	* published by the Free Software Foundation; either version 2 of
	* the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*
	* This driver is based on:
	* - information from http://euc.jp/periphs/xbox-controller.ja.html
	* - the iForce driver drivers/char/joystick/iforce.c
	* - the skeleton-driver drivers/usb/usb-skeleton.c
	*
	* Thanks to:
	* - ITO Takayuki for providing essential xpad information on his website
	* - Vojtech Pavlik - iforce driver / input subsystem
	* - Greg Kroah-Hartman - usb-skeleton driver
	*
	* TODO:
	* - fine tune axes
	* - fix "analog" buttons (reported as digital now)
	* - get rumble working
	*
	* History:
	*
	* 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller"
	*
	* 2002-07-02 - 0.0.2 : basic working version
	* - all axes and 9 of the 10 buttons work (german InterAct device)
	* - the black button does not work
	*
	* 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik
	* - indentation fixes
	* - usb + input init sequence fixes
	*
	* 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3
	* - verified the lack of HID and report descriptors
	* - verified that ALL buttons WORK
	* - fixed d-pad to axes mapping
	*
	* 2002-07-17 - 0.0.5 : simplified d-pad handling
	*/

	#include <linux/config.h>
	#include <linux/kernel.h>
	#include <linux/input.h>
	#include <linux/init.h>
	#include <linux/slab.h>
	#include <linux/module.h>
	#include <linux/smp_lock.h>
	#include <linux/usb.h>
	#include <linux/usb_input.h>

	#define DRIVER_VERSION "v0.0.5"
	#define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>"
	#define DRIVER_DESC "X-Box pad driver"

	#define XPAD_PKT_LEN 32

	static const struct xpad_device {
	u16 idVendor;
	u16 idProduct;
	char *name;
	} xpad_device[] = {
	{ 0x045e, 0x0202, "Microsoft X-Box pad (US)" },
	{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)" },
	{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)" },
	{ 0x0000, 0x0000, "X-Box pad" }
	};

	static const signed short xpad_btn[] = {
	BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, /* "analog" buttons */
	BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */
	-1 /* terminating entry */
	};

	static const signed short xpad_abs[] = {
	ABS_X, ABS_Y, /* left stick */
	ABS_RX, ABS_RY, /* right stick */
	ABS_Z, ABS_RZ, /* triggers left/right */
	ABS_HAT0X, ABS_HAT0Y, /* digital pad */
	-1 /* terminating entry */
	};

	static struct usb_device_id xpad_table [] = {
	{ USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */
	{ }
	};

	MODULE_DEVICE_TABLE (usb, xpad_table);

	struct usb_xpad {
	struct input_dev dev; / input device interface */
	struct usb_device udev; / usb device */

	struct urb irq_in; / urb for interrupt in report */
	unsigned char idata; / input data */
	dma_addr_t idata_dma;

	char phys[65]; /* physical device path */
	};

	/*
	* xpad_process_packet
	*
	* Completes a request by converting the data into events for the
	* input subsystem.
	*
	* The used report descriptor was taken from ITO Takayukis website:
	* http://euc.jp/periphs/xbox-controller.ja.html
	*/

	static void xpad_process_packet(struct usb_xpad xpad, u16 cmd, unsigned char data, struct pt_regs *regs)
	{
	struct input_dev *dev = xpad->dev;

	input_regs(dev, regs);

	/* left stick */
	input_report_abs(dev, ABS_X, (__s16) (((__s16)data[13] << 8) \| data[12]));
	input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[15] << 8) \| data[14]));

	/* right stick */
	input_report_abs(dev, ABS_RX, (__s16) (((__s16)data[17] << 8) \| data[16]));
	input_report_abs(dev, ABS_RY, (__s16) (((__s16)data[19] << 8) \| data[18]));

	/* triggers left/right */
	input_report_abs(dev, ABS_Z, data[10]);
	input_report_abs(dev, ABS_RZ, data[11]);

	/* digital pad */
	input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04));
	input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01));

	/* start/back buttons and stick press left/right */
	input_report_key(dev, BTN_START, (data[2] & 0x10) >> 4);
	input_report_key(dev, BTN_BACK, (data[2] & 0x20) >> 5);
	input_report_key(dev, BTN_THUMBL, (data[2] & 0x40) >> 6);
	input_report_key(dev, BTN_THUMBR, data[2] >> 7);

	/* "analog" buttons A, B, X, Y */
	input_report_key(dev, BTN_A, data[4]);
	input_report_key(dev, BTN_B, data[5]);
	input_report_key(dev, BTN_X, data[6]);
	input_report_key(dev, BTN_Y, data[7]);

	/* "analog" buttons black, white */
	input_report_key(dev, BTN_C, data[8]);
	input_report_key(dev, BTN_Z, data[9]);

	input_sync(dev);
	}

	static void xpad_irq_in(struct urb urb, struct pt_regs regs)
	{
	struct usb_xpad *xpad = urb->context;
	int retval;

	switch (urb->status) {
	case 0:
	/* success */
	break;
	case -ECONNRESET:
	case -ENOENT:
	case -ESHUTDOWN:
	/* this urb is terminated, clean up */
	dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
	return;
	default:
	dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
	goto exit;
	}

	xpad_process_packet(xpad, 0, xpad->idata, regs);

	exit:
	retval = usb_submit_urb (urb, GFP_ATOMIC);
	if (retval)
	err ("%s - usb_submit_urb failed with result %d",
	__FUNCTION__, retval);
	}

	static int xpad_open (struct input_dev *dev)
	{
	struct usb_xpad *xpad = dev->private;

	xpad->irq_in->dev = xpad->udev;
	if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
	return -EIO;

	return 0;
	}

	static void xpad_close (struct input_dev *dev)
	{
	struct usb_xpad *xpad = dev->private;

	usb_kill_urb(xpad->irq_in);
	}

	static int xpad_probe(struct usb_interface intf, const struct usb_device_id id)
	{
	struct usb_device *udev = interface_to_usbdev (intf);
	struct usb_xpad *xpad;
	struct input_dev *input_dev;
	struct usb_endpoint_descriptor *ep_irq_in;
	int i;

	for (i = 0; xpad_device[i].idVendor; i++) {
	if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
	(le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct))
	break;
	}

	xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!xpad \|\| !input_dev)
	goto fail1;

	xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN,
	SLAB_ATOMIC, &xpad->idata_dma);
	if (!xpad->idata)
	goto fail1;

	xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
	if (!xpad->irq_in)
	goto fail2;

	xpad->udev = udev;
	xpad->dev = input_dev;
	usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
	strlcat(xpad->phys, "/input0", sizeof(xpad->phys));

	input_dev->name = xpad_device[i].name;
	input_dev->phys = xpad->phys;
	usb_to_input_id(udev, &input_dev->id);
	input_dev->cdev.dev = &intf->dev;
	input_dev->private = xpad;
	input_dev->open = xpad_open;
	input_dev->close = xpad_close;

	input_dev->evbit[0] = BIT(EV_KEY) \| BIT(EV_ABS);

	for (i = 0; xpad_btn[i] >= 0; i++)
	set_bit(xpad_btn[i], input_dev->keybit);

	for (i = 0; xpad_abs[i] >= 0; i++) {

	signed short t = xpad_abs[i];

	set_bit(t, input_dev->absbit);

	switch (t) {
	case ABS_X:
	case ABS_Y:
	case ABS_RX:
	case ABS_RY: /* the two sticks */
	input_set_abs_params(input_dev, t, -32768, 32767, 16, 128);
	break;
	case ABS_Z:
	case ABS_RZ: /* the triggers */
	input_set_abs_params(input_dev, t, 0, 255, 0, 0);
	break;
	case ABS_HAT0X:
	case ABS_HAT0Y: /* the d-pad */
	input_set_abs_params(input_dev, t, -1, 1, 0, 0);
	break;
	}
	}

	ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
	usb_fill_int_urb(xpad->irq_in, udev,
	usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
	xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
	xpad, ep_irq_in->bInterval);
	xpad->irq_in->transfer_dma = xpad->idata_dma;
	xpad->irq_in->transfer_flags \|= URB_NO_TRANSFER_DMA_MAP;

	input_register_device(xpad->dev);

	usb_set_intfdata(intf, xpad);
	return 0;

	fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
	fail1: input_free_device(input_dev);
	kfree(xpad);
	return -ENOMEM;

	}

	static void xpad_disconnect(struct usb_interface *intf)
	{
	struct usb_xpad *xpad = usb_get_intfdata (intf);

	usb_set_intfdata(intf, NULL);
	if (xpad) {
	usb_kill_urb(xpad->irq_in);
	input_unregister_device(xpad->dev);
	usb_free_urb(xpad->irq_in);
	usb_buffer_free(interface_to_usbdev(intf), XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
	kfree(xpad);
	}
	}

	static struct usb_driver xpad_driver = {
	.name = "xpad",
	.probe = xpad_probe,
	.disconnect = xpad_disconnect,
	.id_table = xpad_table,
	};

	static int __init usb_xpad_init(void)
	{
	int result = usb_register(&xpad_driver);
	if (result == 0)
	info(DRIVER_DESC ":" DRIVER_VERSION);
	return result;
	}

	static void __exit usb_xpad_exit(void)
	{
	usb_deregister(&xpad_driver);
	}

	module_init(usb_xpad_init);
	module_exit(usb_xpad_exit);

	MODULE_AUTHOR(DRIVER_AUTHOR);
	MODULE_DESCRIPTION(DRIVER_DESC);
	MODULE_LICENSE("GPL");