drivers/usb/usbkbd.c - pub/scm/linux/kernel/git/davem/netdev-vger-cvs - Git at Google

 /*
  * $Id: usbkbd.c,v 1.20 2001/04/26 08:34:49 vojtech Exp $
  *
  *  Copyright (c) 1999-2001 Vojtech Pavlik
  *
  *  USB HIDBP Keyboard support
  *
  *  Sponsored by SuSE
  */

 /*
  * 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
  *
  * Should you need to contact me, the author, you can do so either by
  * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
  * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
  */

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

 #define	_HID_BOOT_PROTOCOL
 #include "hid.h"

 /*
  * Version Information
  */
 #define DRIVER_VERSION ""
 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@suse.cz>"
 #define DRIVER_DESC "USB HID Boot Protocol keyboard driver"

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

 static unsigned char usb_kbd_keycode[256] = {
 	  0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
 	 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
 	  4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
 	 27, 43, 84, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
 	 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
 	105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
 	 72, 73, 82, 83, 86,127,116,117, 85, 89, 90, 91, 92, 93, 94, 95,
 	120,121,122,123,134,138,130,132,128,129,131,137,133,135,136,113,
 	115,114,  0,  0,  0,124,  0,181,182,183,184,185,186,187,188,189,
 	190,191,192,193,194,195,196,197,198,  0,  0,  0,  0,  0,  0,  0,
 	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 	 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
 	150,158,159,128,136,177,178,176,142,152,173,140
 };

 struct usb_kbd {
 	struct input_dev dev;
 	struct usb_device *usbdev;
 	unsigned char new[8];
 	unsigned char old[8];
 	struct urb *irq, *led;
 	struct usb_ctrlrequest dr;
 	unsigned char leds, newleds;
 	char name[128];
 	int open;
 };

 static void usb_kbd_irq(struct urb *urb)
 {
 	struct usb_kbd *kbd = urb->context;
 	int i;

 	if (urb->status) return;

 	for (i = 0; i < 8; i++)
 		input_report_key(&kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);

 	for (i = 2; i < 8; i++) {

 		if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == kbd->new + 8) {
 			if (usb_kbd_keycode[kbd->old[i]])
 				input_report_key(&kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
 			else
 				info("Unknown key (scancode %#x) released.", kbd->old[i]);
 		}

 		if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) {
 			if (usb_kbd_keycode[kbd->new[i]])
 				input_report_key(&kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
 			else
 				info("Unknown key (scancode %#x) pressed.", kbd->new[i]);
 		}
 	}

 	memcpy(kbd->old, kbd->new, 8);
 }

 int usb_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
 	struct usb_kbd *kbd = dev->private;

 	if (type != EV_LED) return -1;


 	kbd->newleds = (!!test_bit(LED_KANA,    dev->led) << 3) | (!!test_bit(LED_COMPOSE, dev->led) << 3) |
 		       (!!test_bit(LED_SCROLLL, dev->led) << 2) | (!!test_bit(LED_CAPSL,   dev->led) << 1) |
 		       (!!test_bit(LED_NUML,    dev->led));

 	if (kbd->led->status == -EINPROGRESS)
 		return 0;

 	if (kbd->leds == kbd->newleds)
 		return 0;

 	kbd->leds = kbd->newleds;
 	kbd->led->dev = kbd->usbdev;
 	if (usb_submit_urb(kbd->led, GFP_KERNEL))
 		err("usb_submit_urb(leds) failed");

 	return 0;
 }

 static void usb_kbd_led(struct urb *urb)
 {
 	struct usb_kbd *kbd = urb->context;

 	if (urb->status)
 		warn("led urb status %d received", urb->status);

 	if (kbd->leds == kbd->newleds)
 		return;

 	kbd->leds = kbd->newleds;
 	kbd->led->dev = kbd->usbdev;
 	if (usb_submit_urb(kbd->led, GFP_KERNEL))
 		err("usb_submit_urb(leds) failed");
 }

 static int usb_kbd_open(struct input_dev *dev)
 {
 	struct usb_kbd *kbd = dev->private;

 	if (kbd->open++)
 		return 0;

 	kbd->irq->dev = kbd->usbdev;
 	if (usb_submit_urb(kbd->irq, GFP_KERNEL))
 		return -EIO;

 	return 0;
 }

 static void usb_kbd_close(struct input_dev *dev)
 {
 	struct usb_kbd *kbd = dev->private;

 	if (!--kbd->open)
 		usb_unlink_urb(kbd->irq);
 }

 static void *usb_kbd_probe(struct usb_device *dev, unsigned int ifnum,
 			   const struct usb_device_id *id)
 {
 	struct usb_interface *iface;
 	struct usb_interface_descriptor *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_kbd *kbd;
 	int i, pipe, maxp;
 	char *buf;

 	iface = &dev->actconfig->interface[ifnum];
 	interface = &iface->altsetting[iface->act_altsetting];

 	if (interface->bNumEndpoints != 1) return NULL;

 	endpoint = interface->endpoint + 0;
 	if (!(endpoint->bEndpointAddress & 0x80)) return NULL;
 	if ((endpoint->bmAttributes & 3) != 3) return NULL;

 	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
 	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));

 	hid_set_protocol(dev, interface->bInterfaceNumber, 0);
 	hid_set_idle(dev, interface->bInterfaceNumber, 0, 0);

 	if (!(kbd = kmalloc(sizeof(struct usb_kbd), GFP_KERNEL))) return NULL;
 	memset(kbd, 0, sizeof(struct usb_kbd));

 	kbd->irq = usb_alloc_urb(0);
 	if (!kbd->irq) {
 		kfree(kbd);
 		return NULL;
 	}
 	kbd->led = usb_alloc_urb(0);
 	if (!kbd->led) {
 		usb_free_urb(kbd->irq);
 		kfree(kbd);
 		return NULL;
 	}

 	kbd->usbdev = dev;

 	kbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
 	kbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL) | BIT(LED_COMPOSE) | BIT(LED_KANA);

 	for (i = 0; i < 255; i++)
 		set_bit(usb_kbd_keycode[i], kbd->dev.keybit);
 	clear_bit(0, kbd->dev.keybit);

 	kbd->dev.private = kbd;
 	kbd->dev.event = usb_kbd_event;
 	kbd->dev.open = usb_kbd_open;
 	kbd->dev.close = usb_kbd_close;

 	FILL_INT_URB(kbd->irq, dev, pipe, kbd->new, maxp > 8 ? 8 : maxp,
 		usb_kbd_irq, kbd, endpoint->bInterval);

 	kbd->dr.bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 	kbd->dr.bRequest = HID_REQ_SET_REPORT;
 	kbd->dr.wValue = 0x200;
 	kbd->dr.wIndex = interface->bInterfaceNumber;
 	kbd->dr.wLength = 1;

 	kbd->dev.name = kbd->name;
 	kbd->dev.idbus = BUS_USB;
 	kbd->dev.idvendor = dev->descriptor.idVendor;
 	kbd->dev.idproduct = dev->descriptor.idProduct;
 	kbd->dev.idversion = dev->descriptor.bcdDevice;

 	if (!(buf = kmalloc(63, GFP_KERNEL))) {
 		kfree(kbd);
 		return NULL;
 	}

 	if (dev->descriptor.iManufacturer &&
 		usb_string(dev, dev->descriptor.iManufacturer, buf, 63) > 0)
 			strcat(kbd->name, buf);
 	if (dev->descriptor.iProduct &&
 		usb_string(dev, dev->descriptor.iProduct, buf, 63) > 0)
 			sprintf(kbd->name, "%s %s", kbd->name, buf);

 	if (!strlen(kbd->name))
 		sprintf(kbd->name, "USB HIDBP Keyboard %04x:%04x",
 			kbd->dev.idvendor, kbd->dev.idproduct);

 	kfree(buf);

 	FILL_CONTROL_URB(kbd->led, dev, usb_sndctrlpipe(dev, 0),
 		(void*) &kbd->dr, &kbd->leds, 1, usb_kbd_led, kbd);

 	input_register_device(&kbd->dev);

 	printk(KERN_INFO "input%d: %s on usb%d:%d.%d\n",
 		 kbd->dev.number, kbd->name, dev->bus->busnum, dev->devnum, ifnum);

 	return kbd;
 }

 static void usb_kbd_disconnect(struct usb_device *dev, void *ptr)
 {
 	struct usb_kbd *kbd = ptr;
 	usb_unlink_urb(kbd->irq);
 	input_unregister_device(&kbd->dev);
 	usb_free_urb(kbd->irq);
 	usb_free_urb(kbd->led);
 	kfree(kbd);
 }

 static struct usb_device_id usb_kbd_id_table [] = {
 	{ USB_INTERFACE_INFO(3, 1, 1) },
 	{ }						/* Terminating entry */
 };

 MODULE_DEVICE_TABLE (usb, usb_kbd_id_table);

 static struct usb_driver usb_kbd_driver = {
 	name:		"keyboard",
 	probe:		usb_kbd_probe,
 	disconnect:	usb_kbd_disconnect,
 	id_table:	usb_kbd_id_table,
 };

 static int __init usb_kbd_init(void)
 {
 	usb_register(&usb_kbd_driver);
 	info(DRIVER_VERSION ":" DRIVER_DESC);
 	return 0;
 }

 static void __exit usb_kbd_exit(void)
 {
 	usb_deregister(&usb_kbd_driver);
 }

 module_init(usb_kbd_init);
 module_exit(usb_kbd_exit);
	/*
	* $Id: usbkbd.c,v 1.20 2001/04/26 08:34:49 vojtech Exp $
	*
	* Copyright (c) 1999-2001 Vojtech Pavlik
	*
	* USB HIDBP Keyboard support
	*
	* Sponsored by SuSE
	*/

	/*
	* 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
	*
	* Should you need to contact me, the author, you can do so either by
	* e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
	* Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
	*/

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

	#define _HID_BOOT_PROTOCOL
	#include "hid.h"

	/*
	* Version Information
	*/
	#define DRIVER_VERSION ""
	#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@suse.cz>"
	#define DRIVER_DESC "USB HID Boot Protocol keyboard driver"

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

	static unsigned char usb_kbd_keycode[256] = {
	0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
	50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
	4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
	27, 43, 84, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
	65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
	105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
	72, 73, 82, 83, 86,127,116,117, 85, 89, 90, 91, 92, 93, 94, 95,
	120,121,122,123,134,138,130,132,128,129,131,137,133,135,136,113,
	115,114, 0, 0, 0,124, 0,181,182,183,184,185,186,187,188,189,
	190,191,192,193,194,195,196,197,198, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
	150,158,159,128,136,177,178,176,142,152,173,140
	};

	struct usb_kbd {
	struct input_dev dev;
	struct usb_device *usbdev;
	unsigned char new[8];
	unsigned char old[8];
	struct urb irq, led;
	struct usb_ctrlrequest dr;
	unsigned char leds, newleds;
	char name[128];
	int open;
	};

	static void usb_kbd_irq(struct urb *urb)
	{
	struct usb_kbd *kbd = urb->context;
	int i;

	if (urb->status) return;

	for (i = 0; i < 8; i++)
	input_report_key(&kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);

	for (i = 2; i < 8; i++) {

	if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == kbd->new + 8) {
	if (usb_kbd_keycode[kbd->old[i]])
	input_report_key(&kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
	else
	info("Unknown key (scancode %#x) released.", kbd->old[i]);
	}

	if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) {
	if (usb_kbd_keycode[kbd->new[i]])
	input_report_key(&kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
	else
	info("Unknown key (scancode %#x) pressed.", kbd->new[i]);
	}
	}

	memcpy(kbd->old, kbd->new, 8);
	}

	int usb_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
	{
	struct usb_kbd *kbd = dev->private;

	if (type != EV_LED) return -1;


	kbd->newleds = (!!test_bit(LED_KANA, dev->led) << 3) \| (!!test_bit(LED_COMPOSE, dev->led) << 3) \|
	(!!test_bit(LED_SCROLLL, dev->led) << 2) \| (!!test_bit(LED_CAPSL, dev->led) << 1) \|
	(!!test_bit(LED_NUML, dev->led));

	if (kbd->led->status == -EINPROGRESS)
	return 0;

	if (kbd->leds == kbd->newleds)
	return 0;

	kbd->leds = kbd->newleds;
	kbd->led->dev = kbd->usbdev;
	if (usb_submit_urb(kbd->led, GFP_KERNEL))
	err("usb_submit_urb(leds) failed");

	return 0;
	}

	static void usb_kbd_led(struct urb *urb)
	{
	struct usb_kbd *kbd = urb->context;

	if (urb->status)
	warn("led urb status %d received", urb->status);

	if (kbd->leds == kbd->newleds)
	return;

	kbd->leds = kbd->newleds;
	kbd->led->dev = kbd->usbdev;
	if (usb_submit_urb(kbd->led, GFP_KERNEL))
	err("usb_submit_urb(leds) failed");
	}

	static int usb_kbd_open(struct input_dev *dev)
	{
	struct usb_kbd *kbd = dev->private;

	if (kbd->open++)
	return 0;

	kbd->irq->dev = kbd->usbdev;
	if (usb_submit_urb(kbd->irq, GFP_KERNEL))
	return -EIO;

	return 0;
	}

	static void usb_kbd_close(struct input_dev *dev)
	{
	struct usb_kbd *kbd = dev->private;

	if (!--kbd->open)
	usb_unlink_urb(kbd->irq);
	}

	static void usb_kbd_probe(struct usb_device dev, unsigned int ifnum,
	const struct usb_device_id *id)
	{
	struct usb_interface *iface;
	struct usb_interface_descriptor *interface;
	struct usb_endpoint_descriptor *endpoint;
	struct usb_kbd *kbd;
	int i, pipe, maxp;
	char *buf;

	iface = &dev->actconfig->interface[ifnum];
	interface = &iface->altsetting[iface->act_altsetting];

	if (interface->bNumEndpoints != 1) return NULL;

	endpoint = interface->endpoint + 0;
	if (!(endpoint->bEndpointAddress & 0x80)) return NULL;
	if ((endpoint->bmAttributes & 3) != 3) return NULL;

	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));

	hid_set_protocol(dev, interface->bInterfaceNumber, 0);
	hid_set_idle(dev, interface->bInterfaceNumber, 0, 0);

	if (!(kbd = kmalloc(sizeof(struct usb_kbd), GFP_KERNEL))) return NULL;
	memset(kbd, 0, sizeof(struct usb_kbd));

	kbd->irq = usb_alloc_urb(0);
	if (!kbd->irq) {
	kfree(kbd);
	return NULL;
	}
	kbd->led = usb_alloc_urb(0);
	if (!kbd->led) {
	usb_free_urb(kbd->irq);
	kfree(kbd);
	return NULL;
	}

	kbd->usbdev = dev;

	kbd->dev.evbit[0] = BIT(EV_KEY) \| BIT(EV_LED) \| BIT(EV_REP);
	kbd->dev.ledbit[0] = BIT(LED_NUML) \| BIT(LED_CAPSL) \| BIT(LED_SCROLLL) \| BIT(LED_COMPOSE) \| BIT(LED_KANA);

	for (i = 0; i < 255; i++)
	set_bit(usb_kbd_keycode[i], kbd->dev.keybit);
	clear_bit(0, kbd->dev.keybit);

	kbd->dev.private = kbd;
	kbd->dev.event = usb_kbd_event;
	kbd->dev.open = usb_kbd_open;
	kbd->dev.close = usb_kbd_close;

	FILL_INT_URB(kbd->irq, dev, pipe, kbd->new, maxp > 8 ? 8 : maxp,
	usb_kbd_irq, kbd, endpoint->bInterval);

	kbd->dr.bRequestType = USB_TYPE_CLASS \| USB_RECIP_INTERFACE;
	kbd->dr.bRequest = HID_REQ_SET_REPORT;
	kbd->dr.wValue = 0x200;
	kbd->dr.wIndex = interface->bInterfaceNumber;
	kbd->dr.wLength = 1;

	kbd->dev.name = kbd->name;
	kbd->dev.idbus = BUS_USB;
	kbd->dev.idvendor = dev->descriptor.idVendor;
	kbd->dev.idproduct = dev->descriptor.idProduct;
	kbd->dev.idversion = dev->descriptor.bcdDevice;

	if (!(buf = kmalloc(63, GFP_KERNEL))) {
	kfree(kbd);
	return NULL;
	}

	if (dev->descriptor.iManufacturer &&
	usb_string(dev, dev->descriptor.iManufacturer, buf, 63) > 0)
	strcat(kbd->name, buf);
	if (dev->descriptor.iProduct &&
	usb_string(dev, dev->descriptor.iProduct, buf, 63) > 0)
	sprintf(kbd->name, "%s %s", kbd->name, buf);

	if (!strlen(kbd->name))
	sprintf(kbd->name, "USB HIDBP Keyboard %04x:%04x",
	kbd->dev.idvendor, kbd->dev.idproduct);

	kfree(buf);

	FILL_CONTROL_URB(kbd->led, dev, usb_sndctrlpipe(dev, 0),
	(void*) &kbd->dr, &kbd->leds, 1, usb_kbd_led, kbd);

	input_register_device(&kbd->dev);

	printk(KERN_INFO "input%d: %s on usb%d:%d.%d\n",
	kbd->dev.number, kbd->name, dev->bus->busnum, dev->devnum, ifnum);

	return kbd;
	}

	static void usb_kbd_disconnect(struct usb_device dev, void ptr)
	{
	struct usb_kbd *kbd = ptr;
	usb_unlink_urb(kbd->irq);
	input_unregister_device(&kbd->dev);
	usb_free_urb(kbd->irq);
	usb_free_urb(kbd->led);
	kfree(kbd);
	}

	static struct usb_device_id usb_kbd_id_table [] = {
	{ USB_INTERFACE_INFO(3, 1, 1) },
	{ } /* Terminating entry */
	};

	MODULE_DEVICE_TABLE (usb, usb_kbd_id_table);

	static struct usb_driver usb_kbd_driver = {
	name: "keyboard",
	probe: usb_kbd_probe,
	disconnect: usb_kbd_disconnect,
	id_table: usb_kbd_id_table,
	};

	static int __init usb_kbd_init(void)
	{
	usb_register(&usb_kbd_driver);
	info(DRIVER_VERSION ":" DRIVER_DESC);
	return 0;
	}

	static void __exit usb_kbd_exit(void)
	{
	usb_deregister(&usb_kbd_driver);
	}

	module_init(usb_kbd_init);
	module_exit(usb_kbd_exit);