USB键盘驱动程序 - 360文档中心

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/*

* $Id: usbkbd.c,v 1.27 2001/12/27 10:37:41 vojtech Exp $

*

* USB HIDBP Keyboard support

*/

/*

* 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 <>, or by paper mail:

* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic

*/

#include

/*

* Version Information

*/

#define DRIVER_VERSION ""

#define DRIVER_AUTHOR "Vojtech Pavlik <>"

#define DRIVER_DESC "USB HID Boot Protocol keyboard driver"

#define DRIVER_LICENSE "GPL"

MODULE_AUTHOR(DRIVER_AUTHOR);

MODULE_DESCRIPTION(DRIVER_DESC);

MODULE_LICENSE(DRIVER_LICENSE);

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, 43, 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, 86,127,116,117,183,184,185,186,187,188,189,190,

191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, 115,114, 0, 0, 0,121, 0, 89, 93,124, 92, 94, 95, 0, 0, 0,

122,123, 90, 91, 85, 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 old[8];

struct urb *irq, *led;

unsigned char newleds;

char name[128];

char phys[64];

unsigned char *new;

struct usb_ctrlrequest *cr;

unsigned char *leds;

dma_addr_t cr_dma;

dma_addr_t new_dma;

dma_addr_t leds_dma;

};

static void usb_kbd_irq(struct urb *urb, struct pt_regs *regs)

{

struct usb_kbd *kbd = urb->context;

int i;