2 * KOBIL USB Smart Card Terminal Driver
4 * Copyright (C) 2002 KOBIL Systems GmbH
5 * Author: Thomas Wahrenbruch
7 * Contact: linuxusb@kobil.de
9 * This program is largely derived from work by the linux-usb group
10 * and associated source files. Please see the usb/serial files for
11 * individual credits and copyrights.
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and
21 * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus
22 * (Adapter K), B1 Professional and KAAN Professional (Adapter B)
25 * Fix bug with P'n'P readers
28 * Add support for KAAN SIM
38 #include <linux/config.h>
39 #include <linux/kernel.h>
40 #include <linux/errno.h>
41 #include <linux/init.h>
42 #include <linux/slab.h>
43 #include <linux/tty.h>
44 #include <linux/tty_driver.h>
45 #include <linux/tty_flip.h>
46 #include <linux/module.h>
47 #include <linux/spinlock.h>
48 #include <asm/uaccess.h>
49 #include <linux/usb.h>
50 #include <linux/ioctl.h>
53 #include "kobil_sct.h"
54 //#include "../core/usb-debug.c"
56 #ifdef CONFIG_USB_SERIAL_DEBUG
62 #include "usb-serial.h"
64 /* Version Information */
65 #define DRIVER_VERSION "21/05/2004"
66 #define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com"
67 #define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)"
69 #define KOBIL_VENDOR_ID 0x0D46
70 #define KOBIL_ADAPTER_B_PRODUCT_ID 0x2011
71 #define KOBIL_ADAPTER_K_PRODUCT_ID 0x2012
72 #define KOBIL_USBTWIN_PRODUCT_ID 0x0078
73 #define KOBIL_KAAN_SIM_PRODUCT_ID 0x0081
75 #define KOBIL_TIMEOUT 500
76 #define KOBIL_BUF_LENGTH 300
79 /* Function prototypes */
80 static int kobil_startup (struct usb_serial *serial);
81 static void kobil_shutdown (struct usb_serial *serial);
82 static int kobil_open (struct usb_serial_port *port, struct file *filp);
83 static void kobil_close (struct usb_serial_port *port, struct file *filp);
84 static int kobil_write (struct usb_serial_port *port, int from_user,
85 const unsigned char *buf, int count);
86 static int kobil_write_room(struct usb_serial_port *port);
87 static int kobil_ioctl(struct usb_serial_port *port, struct file *file,
88 unsigned int cmd, unsigned long arg);
89 static int kobil_tiocmget(struct usb_serial_port *port, struct file *file);
90 static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
91 unsigned int set, unsigned int clear);
92 static void kobil_read_int_callback( struct urb *urb, struct pt_regs *regs );
93 static void kobil_write_callback( struct urb *purb, struct pt_regs *regs );
96 static struct usb_device_id id_table [] = {
97 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) },
98 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) },
99 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) },
100 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) },
101 { } /* Terminating entry */
105 MODULE_DEVICE_TABLE (usb, id_table);
107 static struct usb_driver kobil_driver = {
108 .owner = THIS_MODULE,
110 .probe = usb_serial_probe,
111 .disconnect = usb_serial_disconnect,
112 .id_table = id_table,
116 static struct usb_serial_device_type kobil_device = {
117 .owner = THIS_MODULE,
118 .name = "KOBIL USB smart card terminal",
119 .id_table = id_table,
120 .num_interrupt_in = NUM_DONT_CARE,
124 .attach = kobil_startup,
125 .shutdown = kobil_shutdown,
126 .ioctl = kobil_ioctl,
127 .tiocmget = kobil_tiocmget,
128 .tiocmset = kobil_tiocmset,
130 .close = kobil_close,
131 .write = kobil_write,
132 .write_room = kobil_write_room,
133 .read_int_callback = kobil_read_int_callback,
137 struct kobil_private {
138 int write_int_endpoint_address;
139 int read_int_endpoint_address;
140 unsigned char buf[KOBIL_BUF_LENGTH]; // buffer for the APDU to send
141 int filled; // index of the last char in buf
142 int cur_pos; // index of the next char to send in buf
145 struct termios internal_termios;
149 static int kobil_startup (struct usb_serial *serial)
152 struct kobil_private *priv;
153 struct usb_device *pdev;
154 struct usb_host_config *actconfig;
155 struct usb_interface *interface;
156 struct usb_host_interface *altsetting;
157 struct usb_host_endpoint *endpoint;
159 priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL);
166 priv->device_type = serial->product;
167 priv->line_state = 0;
169 switch (priv->device_type){
170 case KOBIL_ADAPTER_B_PRODUCT_ID:
171 printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n");
173 case KOBIL_ADAPTER_K_PRODUCT_ID:
174 printk(KERN_DEBUG "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n");
176 case KOBIL_USBTWIN_PRODUCT_ID:
177 printk(KERN_DEBUG "KOBIL USBTWIN detected\n");
179 case KOBIL_KAAN_SIM_PRODUCT_ID:
180 printk(KERN_DEBUG "KOBIL KAAN SIM detected\n");
183 usb_set_serial_port_data(serial->port[0], priv);
185 // search for the necessary endpoints
187 actconfig = pdev->actconfig;
188 interface = actconfig->interface[0];
189 altsetting = interface->cur_altsetting;
190 endpoint = altsetting->endpoint;
192 for (i = 0; i < altsetting->desc.bNumEndpoints; i++) {
193 endpoint = &altsetting->endpoint[i];
194 if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
195 ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
196 dbg("%s Found interrupt out endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress);
197 priv->write_int_endpoint_address = endpoint->desc.bEndpointAddress;
199 if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
200 ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
201 dbg("%s Found interrupt in endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress);
202 priv->read_int_endpoint_address = endpoint->desc.bEndpointAddress;
209 static void kobil_shutdown (struct usb_serial *serial)
212 dbg("%s - port %d", __FUNCTION__, serial->port[0]->number);
214 for (i=0; i < serial->num_ports; ++i) {
215 while (serial->port[i]->open_count > 0) {
216 kobil_close (serial->port[i], NULL);
218 kfree(usb_get_serial_port_data(serial->port[i]));
219 usb_set_serial_port_data(serial->port[i], NULL);
224 static int kobil_open (struct usb_serial_port *port, struct file *filp)
227 struct kobil_private *priv;
228 unsigned char *transfer_buffer;
229 int transfer_buffer_length = 8;
230 int write_urb_transfer_buffer_length = 8;
232 dbg("%s - port %d", __FUNCTION__, port->number);
233 priv = usb_get_serial_port_data(port);
234 priv->line_state = 0;
236 // someone sets the dev to 0 if the close method has been called
237 port->interrupt_in_urb->dev = port->serial->dev;
240 /* force low_latency on so that our tty_push actually forces
241 * the data through, otherwise it is scheduled, and with high
242 * data rates (like with OHCI) data can get lost.
244 port->tty->low_latency = 1;
246 // without this, every push_tty_char is echoed :-(
247 port->tty->termios->c_lflag = 0;
248 port->tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
249 port->tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
250 port->tty->termios->c_oflag &= ~ONLCR; // do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D)
252 // set up internal termios structure
253 priv->internal_termios.c_iflag = port->tty->termios->c_iflag;
254 priv->internal_termios.c_oflag = port->tty->termios->c_oflag;
255 priv->internal_termios.c_cflag = port->tty->termios->c_cflag;
256 priv->internal_termios.c_lflag = port->tty->termios->c_lflag;
258 for (i=0; i<NCCS; i++) {
259 priv->internal_termios.c_cc[i] = port->tty->termios->c_cc[i];
262 // allocate memory for transfer buffer
263 transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
264 if (! transfer_buffer) {
267 memset(transfer_buffer, 0, transfer_buffer_length);
270 // allocate write_urb
271 if (!port->write_urb) {
272 dbg("%s - port %d Allocating port->write_urb", __FUNCTION__, port->number);
273 port->write_urb = usb_alloc_urb(0, GFP_KERNEL);
274 if (!port->write_urb) {
275 dbg("%s - port %d usb_alloc_urb failed", __FUNCTION__, port->number);
276 kfree(transfer_buffer);
281 // allocate memory for write_urb transfer buffer
282 port->write_urb->transfer_buffer = (unsigned char *) kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL);
283 if (! port->write_urb->transfer_buffer) {
284 kfree(transfer_buffer);
285 usb_free_urb(port->write_urb);
286 port->write_urb = NULL;
290 // get hardware version
291 result = usb_control_msg( port->serial->dev,
292 usb_rcvctrlpipe(port->serial->dev, 0 ),
293 SUSBCRequest_GetMisc,
294 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
295 SUSBCR_MSC_GetHWVersion,
298 transfer_buffer_length,
301 dbg("%s - port %d Send get_HW_version URB returns: %i", __FUNCTION__, port->number, result);
302 dbg("Harware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] );
304 // get firmware version
305 result = usb_control_msg( port->serial->dev,
306 usb_rcvctrlpipe(port->serial->dev, 0 ),
307 SUSBCRequest_GetMisc,
308 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
309 SUSBCR_MSC_GetFWVersion,
312 transfer_buffer_length,
315 dbg("%s - port %d Send get_FW_version URB returns: %i", __FUNCTION__, port->number, result);
316 dbg("Firmware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] );
318 if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
319 // Setting Baudrate, Parity and Stopbits
320 result = usb_control_msg( port->serial->dev,
321 usb_rcvctrlpipe(port->serial->dev, 0 ),
322 SUSBCRequest_SetBaudRateParityAndStopBits,
323 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
324 SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | SUSBCR_SPASB_1StopBit,
330 dbg("%s - port %d Send set_baudrate URB returns: %i", __FUNCTION__, port->number, result);
333 result = usb_control_msg( port->serial->dev,
334 usb_rcvctrlpipe(port->serial->dev, 0 ),
336 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
337 SUSBCR_MSC_ResetAllQueues,
343 dbg("%s - port %d Send reset_all_queues URB returns: %i", __FUNCTION__, port->number, result);
345 if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
346 priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
347 // start reading (Adapter B 'cause PNP string)
348 result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC );
349 dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
352 kfree(transfer_buffer);
357 static void kobil_close (struct usb_serial_port *port, struct file *filp)
359 dbg("%s - port %d", __FUNCTION__, port->number);
361 if (port->write_urb){
362 usb_unlink_urb( port->write_urb );
363 usb_free_urb( port->write_urb );
366 if (port->interrupt_in_urb){
367 usb_unlink_urb (port->interrupt_in_urb);
372 static void kobil_read_int_callback( struct urb *purb, struct pt_regs *regs)
376 struct usb_serial_port *port = (struct usb_serial_port *) purb->context;
377 struct tty_struct *tty;
378 unsigned char *data = purb->transfer_buffer;
381 dbg("%s - port %d", __FUNCTION__, port->number);
384 dbg("%s - port %d Read int status not zero: %d", __FUNCTION__, port->number, purb->status);
389 if (purb->actual_length) {
393 dbg_data = (unsigned char *) kmalloc((3 * purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
397 memset(dbg_data, 0, (3 * purb->actual_length + 10));
398 for (i = 0; i < purb->actual_length; i++) {
399 sprintf(dbg_data +3*i, "%02X ", data[i]);
401 dbg(" <-- %s", dbg_data );
406 for (i = 0; i < purb->actual_length; ++i) {
407 // if we insert more than TTY_FLIPBUF_SIZE characters, we drop them.
408 if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
409 tty_flip_buffer_push(tty);
411 // this doesn't actually push the data through unless tty->low_latency is set
412 tty_insert_flip_char(tty, data[i], 0);
414 tty_flip_buffer_push(tty);
417 // someone sets the dev to 0 if the close method has been called
418 port->interrupt_in_urb->dev = port->serial->dev;
420 result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC );
421 dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
425 static void kobil_write_callback( struct urb *purb, struct pt_regs *regs )
430 static int kobil_write (struct usb_serial_port *port, int from_user,
431 const unsigned char *buf, int count)
436 struct kobil_private * priv;
439 dbg("%s - port %d write request of 0 bytes", __FUNCTION__, port->number);
443 priv = usb_get_serial_port_data(port);
445 if (count > (KOBIL_BUF_LENGTH - priv->filled)) {
446 dbg("%s - port %d Error: write request bigger than buffer size", __FUNCTION__, port->number);
450 // Copy data to buffer
452 if (copy_from_user(priv->buf + priv->filled, buf, count)) {
456 memcpy (priv->buf + priv->filled, buf, count);
459 usb_serial_debug_data (__FILE__, __FUNCTION__, count, priv->buf + priv->filled);
461 priv->filled = priv->filled + count;
464 // only send complete block. TWIN, KAAN SIM and adapter K use the same protocol.
465 if ( ((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) ||
466 ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4))) ) {
468 // stop reading (except TWIN and KAAN SIM)
469 if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) {
470 usb_unlink_urb( port->interrupt_in_urb );
473 todo = priv->filled - priv->cur_pos;
476 // max 8 byte in one urb (endpoint size)
477 length = (todo < 8) ? todo : 8;
478 // copy data to transfer buffer
479 memcpy(port->write_urb->transfer_buffer, priv->buf + priv->cur_pos, length );
480 usb_fill_int_urb( port->write_urb,
482 usb_sndintpipe(port->serial->dev, priv->write_int_endpoint_address),
483 port->write_urb->transfer_buffer,
485 kobil_write_callback,
490 priv->cur_pos = priv->cur_pos + length;
491 result = usb_submit_urb( port->write_urb, GFP_NOIO );
492 dbg("%s - port %d Send write URB returns: %i", __FUNCTION__, port->number, result);
493 todo = priv->filled - priv->cur_pos;
504 // someone sets the dev to 0 if the close method has been called
505 port->interrupt_in_urb->dev = port->serial->dev;
507 // start reading (except TWIN and KAAN SIM)
508 if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) {
509 // someone sets the dev to 0 if the close method has been called
510 port->interrupt_in_urb->dev = port->serial->dev;
512 result = usb_submit_urb( port->interrupt_in_urb, GFP_NOIO );
513 dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
520 static int kobil_write_room (struct usb_serial_port *port)
522 //dbg("%s - port %d", __FUNCTION__, port->number);
527 static int kobil_tiocmget(struct usb_serial_port *port, struct file *file)
529 struct kobil_private * priv;
531 unsigned char *transfer_buffer;
532 int transfer_buffer_length = 8;
534 priv = usb_get_serial_port_data(port);
535 if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
536 // This device doesn't support ioctl calls
540 // allocate memory for transfer buffer
541 transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
542 if (!transfer_buffer) {
545 memset(transfer_buffer, 0, transfer_buffer_length);
547 result = usb_control_msg( port->serial->dev,
548 usb_rcvctrlpipe(port->serial->dev, 0 ),
549 SUSBCRequest_GetStatusLineState,
550 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
554 transfer_buffer_length,
557 dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x",
558 __FUNCTION__, port->number, result, transfer_buffer[0]);
560 if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) {
561 priv->line_state |= TIOCM_DSR;
563 priv->line_state &= ~TIOCM_DSR;
566 kfree(transfer_buffer);
567 return priv->line_state;
570 static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
571 unsigned int set, unsigned int clear)
573 struct kobil_private * priv;
577 unsigned char *transfer_buffer;
578 int transfer_buffer_length = 8;
580 priv = usb_get_serial_port_data(port);
581 if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
582 // This device doesn't support ioctl calls
586 // allocate memory for transfer buffer
587 transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
588 if (! transfer_buffer) {
591 memset(transfer_buffer, 0, transfer_buffer_length);
597 if (clear & TIOCM_RTS)
599 if (clear & TIOCM_DTR)
602 if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) {
604 dbg("%s - port %d Setting DTR", __FUNCTION__, port->number);
606 dbg("%s - port %d Clearing DTR", __FUNCTION__, port->number);
607 result = usb_control_msg( port->serial->dev,
608 usb_rcvctrlpipe(port->serial->dev, 0 ),
609 SUSBCRequest_SetStatusLinesOrQueues,
610 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
611 ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
618 dbg("%s - port %d Setting RTS", __FUNCTION__, port->number);
620 dbg("%s - port %d Clearing RTS", __FUNCTION__, port->number);
621 result = usb_control_msg( port->serial->dev,
622 usb_rcvctrlpipe(port->serial->dev, 0 ),
623 SUSBCRequest_SetStatusLinesOrQueues,
624 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
625 ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
631 dbg("%s - port %d Send set_status_line URB returns: %i", __FUNCTION__, port->number, result);
632 kfree(transfer_buffer);
633 return (result < 0) ? result : 0;
637 static int kobil_ioctl(struct usb_serial_port *port, struct file *file,
638 unsigned int cmd, unsigned long arg)
640 struct kobil_private * priv;
642 unsigned short urb_val = 0;
643 unsigned char *transfer_buffer;
644 int transfer_buffer_length = 8;
647 priv = usb_get_serial_port_data(port);
648 if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
649 // This device doesn't support ioctl calls
654 case TCGETS: // 0x5401
655 result = verify_area(VERIFY_WRITE, (void *)arg, sizeof(struct termios));
657 dbg("%s - port %d Error in verify_area", __FUNCTION__, port->number);
660 if (kernel_termios_to_user_termios((struct termios *)arg,
661 &priv->internal_termios))
665 case TCSETS: // 0x5402
666 if (!(port->tty->termios)) {
667 dbg("%s - port %d Error: port->tty->termios is NULL", __FUNCTION__, port->number);
670 result = verify_area(VERIFY_READ, (void *)arg, sizeof(struct termios));
672 dbg("%s - port %d Error in verify_area", __FUNCTION__, port->number);
675 if (user_termios_to_kernel_termios(&priv->internal_termios,
676 (struct termios *)arg))
679 settings = (unsigned char *) kmalloc(50, GFP_KERNEL);
683 memset(settings, 0, 50);
685 switch (priv->internal_termios.c_cflag & CBAUD) {
687 urb_val = SUSBCR_SBR_1200;
688 strcat(settings, "1200 ");
692 urb_val = SUSBCR_SBR_9600;
693 strcat(settings, "9600 ");
697 urb_val |= (priv->internal_termios.c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : SUSBCR_SPASB_1StopBit;
698 strcat(settings, (priv->internal_termios.c_cflag & CSTOPB) ? "2 StopBits " : "1 StopBit ");
700 if (priv->internal_termios.c_cflag & PARENB) {
701 if (priv->internal_termios.c_cflag & PARODD) {
702 urb_val |= SUSBCR_SPASB_OddParity;
703 strcat(settings, "Odd Parity");
705 urb_val |= SUSBCR_SPASB_EvenParity;
706 strcat(settings, "Even Parity");
709 urb_val |= SUSBCR_SPASB_NoParity;
710 strcat(settings, "No Parity");
712 dbg("%s - port %d setting port to: %s", __FUNCTION__, port->number, settings );
714 result = usb_control_msg( port->serial->dev,
715 usb_rcvctrlpipe(port->serial->dev, 0 ),
716 SUSBCRequest_SetBaudRateParityAndStopBits,
717 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
725 dbg("%s - port %d Send set_baudrate URB returns: %i", __FUNCTION__, port->number, result);
729 case TCFLSH: // 0x540B
730 transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
731 if (! transfer_buffer) {
735 result = usb_control_msg( port->serial->dev,
736 usb_rcvctrlpipe(port->serial->dev, 0 ),
738 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
739 SUSBCR_MSC_ResetAllQueues,
741 NULL,//transfer_buffer,
746 dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __FUNCTION__, port->number, result);
748 kfree(transfer_buffer);
749 return ((result < 0) ? -EFAULT : 0);
756 static int __init kobil_init (void)
759 retval = usb_serial_register(&kobil_device);
761 goto failed_usb_serial_register;
762 retval = usb_register(&kobil_driver);
764 goto failed_usb_register;
766 info(DRIVER_VERSION " " DRIVER_AUTHOR);
771 usb_serial_deregister(&kobil_device);
772 failed_usb_serial_register:
777 static void __exit kobil_exit (void)
779 usb_deregister (&kobil_driver);
780 usb_serial_deregister (&kobil_device);
783 module_init(kobil_init);
784 module_exit(kobil_exit);
786 MODULE_AUTHOR( DRIVER_AUTHOR );
787 MODULE_DESCRIPTION( DRIVER_DESC );
788 MODULE_LICENSE( "GPL" );
790 MODULE_PARM(debug, "i");
791 MODULE_PARM_DESC(debug, "Debug enabled or not");