blob: d9c21e275130a59a76bdc89a9de7ae3bf35280c9 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * KOBIL USB Smart Card Terminal Driver
3 *
4 * Copyright (C) 2002 KOBIL Systems GmbH
5 * Author: Thomas Wahrenbruch
6 *
7 * Contact: linuxusb@kobil.de
8 *
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.
12 *
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.
17 *
18 * Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and
19 * patience.
20 *
21 * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus
22 * (Adapter K), B1 Professional and KAAN Professional (Adapter B)
23 *
24 * (21/05/2004) tw
25 * Fix bug with P'n'P readers
26 *
27 * (28/05/2003) tw
28 * Add support for KAAN SIM
29 *
30 * (12/09/2002) tw
31 * Adapted to 2.5.
32 *
33 * (11/08/2002) tw
34 * Initial version.
35 */
36
37
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>
51#include "usb-serial.h"
52#include "kobil_sct.h"
53
54static int debug;
55
56/* Version Information */
57#define DRIVER_VERSION "21/05/2004"
58#define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com"
59#define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)"
60
61#define KOBIL_VENDOR_ID 0x0D46
62#define KOBIL_ADAPTER_B_PRODUCT_ID 0x2011
63#define KOBIL_ADAPTER_K_PRODUCT_ID 0x2012
64#define KOBIL_USBTWIN_PRODUCT_ID 0x0078
65#define KOBIL_KAAN_SIM_PRODUCT_ID 0x0081
66
67#define KOBIL_TIMEOUT 500
68#define KOBIL_BUF_LENGTH 300
69
70
71/* Function prototypes */
72static int kobil_startup (struct usb_serial *serial);
73static void kobil_shutdown (struct usb_serial *serial);
74static int kobil_open (struct usb_serial_port *port, struct file *filp);
75static void kobil_close (struct usb_serial_port *port, struct file *filp);
76static int kobil_write (struct usb_serial_port *port,
77 const unsigned char *buf, int count);
78static int kobil_write_room(struct usb_serial_port *port);
79static int kobil_ioctl(struct usb_serial_port *port, struct file *file,
80 unsigned int cmd, unsigned long arg);
81static int kobil_tiocmget(struct usb_serial_port *port, struct file *file);
82static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
83 unsigned int set, unsigned int clear);
84static void kobil_read_int_callback( struct urb *urb, struct pt_regs *regs );
85static void kobil_write_callback( struct urb *purb, struct pt_regs *regs );
86
87
88static struct usb_device_id id_table [] = {
89 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) },
90 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) },
91 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) },
92 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) },
93 { } /* Terminating entry */
94};
95
96
97MODULE_DEVICE_TABLE (usb, id_table);
98
99static struct usb_driver kobil_driver = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 .name = "kobil",
101 .probe = usb_serial_probe,
102 .disconnect = usb_serial_disconnect,
103 .id_table = id_table,
Greg Kroah-Hartmanba9dc652005-11-16 13:41:28 -0800104 .no_dynamic_id = 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105};
106
107
Greg Kroah-Hartmanea653702005-06-20 21:15:16 -0700108static struct usb_serial_driver kobil_device = {
Greg Kroah-Hartman18fcac32005-06-20 21:15:16 -0700109 .driver = {
110 .owner = THIS_MODULE,
Greg Kroah-Hartman269bda12005-06-20 21:15:16 -0700111 .name = "kobil",
Greg Kroah-Hartman18fcac32005-06-20 21:15:16 -0700112 },
Greg Kroah-Hartman269bda12005-06-20 21:15:16 -0700113 .description = "KOBIL USB smart card terminal",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 .id_table = id_table,
115 .num_interrupt_in = NUM_DONT_CARE,
116 .num_bulk_in = 0,
117 .num_bulk_out = 0,
118 .num_ports = 1,
119 .attach = kobil_startup,
120 .shutdown = kobil_shutdown,
121 .ioctl = kobil_ioctl,
122 .tiocmget = kobil_tiocmget,
123 .tiocmset = kobil_tiocmset,
124 .open = kobil_open,
125 .close = kobil_close,
126 .write = kobil_write,
127 .write_room = kobil_write_room,
128 .read_int_callback = kobil_read_int_callback,
129};
130
131
132struct kobil_private {
133 int write_int_endpoint_address;
134 int read_int_endpoint_address;
135 unsigned char buf[KOBIL_BUF_LENGTH]; // buffer for the APDU to send
136 int filled; // index of the last char in buf
137 int cur_pos; // index of the next char to send in buf
138 __u16 device_type;
139 int line_state;
140 struct termios internal_termios;
141};
142
143
144static int kobil_startup (struct usb_serial *serial)
145{
146 int i;
147 struct kobil_private *priv;
148 struct usb_device *pdev;
149 struct usb_host_config *actconfig;
150 struct usb_interface *interface;
151 struct usb_host_interface *altsetting;
152 struct usb_host_endpoint *endpoint;
153
154 priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL);
155 if (!priv){
156 return -ENOMEM;
157 }
158
159 priv->filled = 0;
160 priv->cur_pos = 0;
161 priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct);
162 priv->line_state = 0;
163
164 switch (priv->device_type){
165 case KOBIL_ADAPTER_B_PRODUCT_ID:
166 printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n");
167 break;
168 case KOBIL_ADAPTER_K_PRODUCT_ID:
169 printk(KERN_DEBUG "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n");
170 break;
171 case KOBIL_USBTWIN_PRODUCT_ID:
172 printk(KERN_DEBUG "KOBIL USBTWIN detected\n");
173 break;
174 case KOBIL_KAAN_SIM_PRODUCT_ID:
175 printk(KERN_DEBUG "KOBIL KAAN SIM detected\n");
176 break;
177 }
178 usb_set_serial_port_data(serial->port[0], priv);
179
180 // search for the necessary endpoints
181 pdev = serial->dev;
182 actconfig = pdev->actconfig;
183 interface = actconfig->interface[0];
184 altsetting = interface->cur_altsetting;
185 endpoint = altsetting->endpoint;
186
187 for (i = 0; i < altsetting->desc.bNumEndpoints; i++) {
188 endpoint = &altsetting->endpoint[i];
189 if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
190 ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
191 dbg("%s Found interrupt out endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress);
192 priv->write_int_endpoint_address = endpoint->desc.bEndpointAddress;
193 }
194 if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
195 ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
196 dbg("%s Found interrupt in endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress);
197 priv->read_int_endpoint_address = endpoint->desc.bEndpointAddress;
198 }
199 }
200 return 0;
201}
202
203
204static void kobil_shutdown (struct usb_serial *serial)
205{
206 int i;
207 dbg("%s - port %d", __FUNCTION__, serial->port[0]->number);
208
209 for (i=0; i < serial->num_ports; ++i) {
210 while (serial->port[i]->open_count > 0) {
211 kobil_close (serial->port[i], NULL);
212 }
213 kfree(usb_get_serial_port_data(serial->port[i]));
214 usb_set_serial_port_data(serial->port[i], NULL);
215 }
216}
217
218
219static int kobil_open (struct usb_serial_port *port, struct file *filp)
220{
221 int i, result = 0;
222 struct kobil_private *priv;
223 unsigned char *transfer_buffer;
224 int transfer_buffer_length = 8;
225 int write_urb_transfer_buffer_length = 8;
226
227 dbg("%s - port %d", __FUNCTION__, port->number);
228 priv = usb_get_serial_port_data(port);
229 priv->line_state = 0;
230
231 // someone sets the dev to 0 if the close method has been called
232 port->interrupt_in_urb->dev = port->serial->dev;
233
234
235 /* force low_latency on so that our tty_push actually forces
236 * the data through, otherwise it is scheduled, and with high
237 * data rates (like with OHCI) data can get lost.
238 */
239 port->tty->low_latency = 1;
240
241 // without this, every push_tty_char is echoed :-(
242 port->tty->termios->c_lflag = 0;
243 port->tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
244 port->tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
245 port->tty->termios->c_oflag &= ~ONLCR; // do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D)
246
247 // set up internal termios structure
248 priv->internal_termios.c_iflag = port->tty->termios->c_iflag;
249 priv->internal_termios.c_oflag = port->tty->termios->c_oflag;
250 priv->internal_termios.c_cflag = port->tty->termios->c_cflag;
251 priv->internal_termios.c_lflag = port->tty->termios->c_lflag;
252
253 for (i=0; i<NCCS; i++) {
254 priv->internal_termios.c_cc[i] = port->tty->termios->c_cc[i];
255 }
256
257 // allocate memory for transfer buffer
258 transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
259 if (! transfer_buffer) {
260 return -ENOMEM;
261 } else {
262 memset(transfer_buffer, 0, transfer_buffer_length);
263 }
264
265 // allocate write_urb
266 if (!port->write_urb) {
267 dbg("%s - port %d Allocating port->write_urb", __FUNCTION__, port->number);
268 port->write_urb = usb_alloc_urb(0, GFP_KERNEL);
269 if (!port->write_urb) {
270 dbg("%s - port %d usb_alloc_urb failed", __FUNCTION__, port->number);
271 kfree(transfer_buffer);
272 return -ENOMEM;
273 }
274 }
275
276 // allocate memory for write_urb transfer buffer
277 port->write_urb->transfer_buffer = (unsigned char *) kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL);
278 if (! port->write_urb->transfer_buffer) {
279 kfree(transfer_buffer);
280 usb_free_urb(port->write_urb);
281 port->write_urb = NULL;
282 return -ENOMEM;
283 }
284
285 // get hardware version
286 result = usb_control_msg( port->serial->dev,
287 usb_rcvctrlpipe(port->serial->dev, 0 ),
288 SUSBCRequest_GetMisc,
289 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
290 SUSBCR_MSC_GetHWVersion,
291 0,
292 transfer_buffer,
293 transfer_buffer_length,
294 KOBIL_TIMEOUT
295 );
296 dbg("%s - port %d Send get_HW_version URB returns: %i", __FUNCTION__, port->number, result);
297 dbg("Harware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] );
298
299 // get firmware version
300 result = usb_control_msg( port->serial->dev,
301 usb_rcvctrlpipe(port->serial->dev, 0 ),
302 SUSBCRequest_GetMisc,
303 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
304 SUSBCR_MSC_GetFWVersion,
305 0,
306 transfer_buffer,
307 transfer_buffer_length,
308 KOBIL_TIMEOUT
309 );
310 dbg("%s - port %d Send get_FW_version URB returns: %i", __FUNCTION__, port->number, result);
311 dbg("Firmware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] );
312
313 if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
314 // Setting Baudrate, Parity and Stopbits
315 result = usb_control_msg( port->serial->dev,
316 usb_rcvctrlpipe(port->serial->dev, 0 ),
317 SUSBCRequest_SetBaudRateParityAndStopBits,
318 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
319 SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | SUSBCR_SPASB_1StopBit,
320 0,
321 transfer_buffer,
322 0,
323 KOBIL_TIMEOUT
324 );
325 dbg("%s - port %d Send set_baudrate URB returns: %i", __FUNCTION__, port->number, result);
326
327 // reset all queues
328 result = usb_control_msg( port->serial->dev,
329 usb_rcvctrlpipe(port->serial->dev, 0 ),
330 SUSBCRequest_Misc,
331 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
332 SUSBCR_MSC_ResetAllQueues,
333 0,
334 transfer_buffer,
335 0,
336 KOBIL_TIMEOUT
337 );
338 dbg("%s - port %d Send reset_all_queues URB returns: %i", __FUNCTION__, port->number, result);
339 }
340 if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
341 priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
342 // start reading (Adapter B 'cause PNP string)
343 result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC );
344 dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
345 }
346
347 kfree(transfer_buffer);
348 return 0;
349}
350
351
352static void kobil_close (struct usb_serial_port *port, struct file *filp)
353{
354 dbg("%s - port %d", __FUNCTION__, port->number);
355
356 if (port->write_urb) {
357 usb_kill_urb(port->write_urb);
358 usb_free_urb( port->write_urb );
359 port->write_urb = NULL;
360 }
361 if (port->interrupt_in_urb)
362 usb_kill_urb(port->interrupt_in_urb);
363}
364
365
366static void kobil_read_int_callback( struct urb *purb, struct pt_regs *regs)
367{
368 int i;
369 int result;
370 struct usb_serial_port *port = (struct usb_serial_port *) purb->context;
371 struct tty_struct *tty;
372 unsigned char *data = purb->transfer_buffer;
373// char *dbg_data;
374
375 dbg("%s - port %d", __FUNCTION__, port->number);
376
377 if (purb->status) {
378 dbg("%s - port %d Read int status not zero: %d", __FUNCTION__, port->number, purb->status);
379 return;
380 }
381
382 tty = port->tty;
383 if (purb->actual_length) {
384
385 // BEGIN DEBUG
386 /*
387 dbg_data = (unsigned char *) kmalloc((3 * purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
388 if (! dbg_data) {
389 return;
390 }
391 memset(dbg_data, 0, (3 * purb->actual_length + 10));
392 for (i = 0; i < purb->actual_length; i++) {
393 sprintf(dbg_data +3*i, "%02X ", data[i]);
394 }
395 dbg(" <-- %s", dbg_data );
396 kfree(dbg_data);
397 */
398 // END DEBUG
399
400 for (i = 0; i < purb->actual_length; ++i) {
401 // if we insert more than TTY_FLIPBUF_SIZE characters, we drop them.
402 if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
403 tty_flip_buffer_push(tty);
404 }
405 // this doesn't actually push the data through unless tty->low_latency is set
406 tty_insert_flip_char(tty, data[i], 0);
407 }
408 tty_flip_buffer_push(tty);
409 }
410
411 // someone sets the dev to 0 if the close method has been called
412 port->interrupt_in_urb->dev = port->serial->dev;
413
414 result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC );
415 dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
416}
417
418
419static void kobil_write_callback( struct urb *purb, struct pt_regs *regs )
420{
421}
422
423
424static int kobil_write (struct usb_serial_port *port,
425 const unsigned char *buf, int count)
426{
427 int length = 0;
428 int result = 0;
429 int todo = 0;
430 struct kobil_private * priv;
431
432 if (count == 0) {
433 dbg("%s - port %d write request of 0 bytes", __FUNCTION__, port->number);
434 return 0;
435 }
436
437 priv = usb_get_serial_port_data(port);
438
439 if (count > (KOBIL_BUF_LENGTH - priv->filled)) {
440 dbg("%s - port %d Error: write request bigger than buffer size", __FUNCTION__, port->number);
441 return -ENOMEM;
442 }
443
444 // Copy data to buffer
445 memcpy (priv->buf + priv->filled, buf, count);
446
447 usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count, priv->buf + priv->filled);
448
449 priv->filled = priv->filled + count;
450
451
452 // only send complete block. TWIN, KAAN SIM and adapter K use the same protocol.
453 if ( ((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) ||
454 ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4))) ) {
455
456 // stop reading (except TWIN and KAAN SIM)
457 if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) )
458 usb_kill_urb(port->interrupt_in_urb);
459
460 todo = priv->filled - priv->cur_pos;
461
462 while(todo > 0) {
463 // max 8 byte in one urb (endpoint size)
464 length = (todo < 8) ? todo : 8;
465 // copy data to transfer buffer
466 memcpy(port->write_urb->transfer_buffer, priv->buf + priv->cur_pos, length );
467 usb_fill_int_urb( port->write_urb,
468 port->serial->dev,
469 usb_sndintpipe(port->serial->dev, priv->write_int_endpoint_address),
470 port->write_urb->transfer_buffer,
471 length,
472 kobil_write_callback,
473 port,
474 8
475 );
476
477 priv->cur_pos = priv->cur_pos + length;
478 result = usb_submit_urb( port->write_urb, GFP_NOIO );
479 dbg("%s - port %d Send write URB returns: %i", __FUNCTION__, port->number, result);
480 todo = priv->filled - priv->cur_pos;
481
482 if (todo > 0) {
483 msleep(24);
484 }
485
486 } // end while
487
488 priv->filled = 0;
489 priv->cur_pos = 0;
490
491 // someone sets the dev to 0 if the close method has been called
492 port->interrupt_in_urb->dev = port->serial->dev;
493
494 // start reading (except TWIN and KAAN SIM)
495 if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) {
496 // someone sets the dev to 0 if the close method has been called
497 port->interrupt_in_urb->dev = port->serial->dev;
498
499 result = usb_submit_urb( port->interrupt_in_urb, GFP_NOIO );
500 dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
501 }
502 }
503 return count;
504}
505
506
507static int kobil_write_room (struct usb_serial_port *port)
508{
509 //dbg("%s - port %d", __FUNCTION__, port->number);
510 return 8;
511}
512
513
514static int kobil_tiocmget(struct usb_serial_port *port, struct file *file)
515{
516 struct kobil_private * priv;
517 int result;
518 unsigned char *transfer_buffer;
519 int transfer_buffer_length = 8;
520
521 priv = usb_get_serial_port_data(port);
522 if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
523 // This device doesn't support ioctl calls
524 return -EINVAL;
525 }
526
527 // allocate memory for transfer buffer
528 transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
529 if (!transfer_buffer) {
530 return -ENOMEM;
531 }
532 memset(transfer_buffer, 0, transfer_buffer_length);
533
534 result = usb_control_msg( port->serial->dev,
535 usb_rcvctrlpipe(port->serial->dev, 0 ),
536 SUSBCRequest_GetStatusLineState,
537 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
538 0,
539 0,
540 transfer_buffer,
541 transfer_buffer_length,
542 KOBIL_TIMEOUT);
543
544 dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x",
545 __FUNCTION__, port->number, result, transfer_buffer[0]);
546
547 if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) {
548 priv->line_state |= TIOCM_DSR;
549 } else {
550 priv->line_state &= ~TIOCM_DSR;
551 }
552
553 kfree(transfer_buffer);
554 return priv->line_state;
555}
556
557static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
558 unsigned int set, unsigned int clear)
559{
560 struct kobil_private * priv;
561 int result;
562 int dtr = 0;
563 int rts = 0;
564 unsigned char *transfer_buffer;
565 int transfer_buffer_length = 8;
566
567 priv = usb_get_serial_port_data(port);
568 if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
569 // This device doesn't support ioctl calls
570 return -EINVAL;
571 }
572
573 // allocate memory for transfer buffer
574 transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
575 if (! transfer_buffer) {
576 return -ENOMEM;
577 }
578 memset(transfer_buffer, 0, transfer_buffer_length);
579
580 if (set & TIOCM_RTS)
581 rts = 1;
582 if (set & TIOCM_DTR)
583 dtr = 1;
584 if (clear & TIOCM_RTS)
585 rts = 0;
586 if (clear & TIOCM_DTR)
587 dtr = 0;
588
589 if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) {
590 if (dtr != 0)
591 dbg("%s - port %d Setting DTR", __FUNCTION__, port->number);
592 else
593 dbg("%s - port %d Clearing DTR", __FUNCTION__, port->number);
594 result = usb_control_msg( port->serial->dev,
595 usb_rcvctrlpipe(port->serial->dev, 0 ),
596 SUSBCRequest_SetStatusLinesOrQueues,
597 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
598 ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
599 0,
600 transfer_buffer,
601 0,
602 KOBIL_TIMEOUT);
603 } else {
604 if (rts != 0)
605 dbg("%s - port %d Setting RTS", __FUNCTION__, port->number);
606 else
607 dbg("%s - port %d Clearing RTS", __FUNCTION__, port->number);
608 result = usb_control_msg( port->serial->dev,
609 usb_rcvctrlpipe(port->serial->dev, 0 ),
610 SUSBCRequest_SetStatusLinesOrQueues,
611 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
612 ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
613 0,
614 transfer_buffer,
615 0,
616 KOBIL_TIMEOUT);
617 }
618 dbg("%s - port %d Send set_status_line URB returns: %i", __FUNCTION__, port->number, result);
619 kfree(transfer_buffer);
620 return (result < 0) ? result : 0;
621}
622
623
624static int kobil_ioctl(struct usb_serial_port *port, struct file *file,
625 unsigned int cmd, unsigned long arg)
626{
627 struct kobil_private * priv;
628 int result;
629 unsigned short urb_val = 0;
630 unsigned char *transfer_buffer;
631 int transfer_buffer_length = 8;
632 char *settings;
633 void __user *user_arg = (void __user *)arg;
634
635 priv = usb_get_serial_port_data(port);
636 if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
637 // This device doesn't support ioctl calls
638 return 0;
639 }
640
641 switch (cmd) {
642 case TCGETS: // 0x5401
643 if (!access_ok(VERIFY_WRITE, user_arg, sizeof(struct termios))) {
644 dbg("%s - port %d Error in access_ok", __FUNCTION__, port->number);
645 return -EFAULT;
646 }
647 if (kernel_termios_to_user_termios((struct termios __user *)arg,
648 &priv->internal_termios))
649 return -EFAULT;
650 return 0;
651
652 case TCSETS: // 0x5402
653 if (!(port->tty->termios)) {
654 dbg("%s - port %d Error: port->tty->termios is NULL", __FUNCTION__, port->number);
655 return -ENOTTY;
656 }
657 if (!access_ok(VERIFY_READ, user_arg, sizeof(struct termios))) {
658 dbg("%s - port %d Error in access_ok", __FUNCTION__, port->number);
659 return -EFAULT;
660 }
661 if (user_termios_to_kernel_termios(&priv->internal_termios,
662 (struct termios __user *)arg))
663 return -EFAULT;
664
665 settings = (unsigned char *) kmalloc(50, GFP_KERNEL);
666 if (! settings) {
667 return -ENOBUFS;
668 }
669 memset(settings, 0, 50);
670
671 switch (priv->internal_termios.c_cflag & CBAUD) {
672 case B1200:
673 urb_val = SUSBCR_SBR_1200;
674 strcat(settings, "1200 ");
675 break;
676 case B9600:
677 default:
678 urb_val = SUSBCR_SBR_9600;
679 strcat(settings, "9600 ");
680 break;
681 }
682
683 urb_val |= (priv->internal_termios.c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : SUSBCR_SPASB_1StopBit;
684 strcat(settings, (priv->internal_termios.c_cflag & CSTOPB) ? "2 StopBits " : "1 StopBit ");
685
686 if (priv->internal_termios.c_cflag & PARENB) {
687 if (priv->internal_termios.c_cflag & PARODD) {
688 urb_val |= SUSBCR_SPASB_OddParity;
689 strcat(settings, "Odd Parity");
690 } else {
691 urb_val |= SUSBCR_SPASB_EvenParity;
692 strcat(settings, "Even Parity");
693 }
694 } else {
695 urb_val |= SUSBCR_SPASB_NoParity;
696 strcat(settings, "No Parity");
697 }
698 dbg("%s - port %d setting port to: %s", __FUNCTION__, port->number, settings );
699
700 result = usb_control_msg( port->serial->dev,
701 usb_rcvctrlpipe(port->serial->dev, 0 ),
702 SUSBCRequest_SetBaudRateParityAndStopBits,
703 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
704 urb_val,
705 0,
706 settings,
707 0,
708 KOBIL_TIMEOUT
709 );
710
711 dbg("%s - port %d Send set_baudrate URB returns: %i", __FUNCTION__, port->number, result);
712 kfree(settings);
713 return 0;
714
715 case TCFLSH: // 0x540B
716 transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
717 if (! transfer_buffer) {
718 return -ENOBUFS;
719 }
720
721 result = usb_control_msg( port->serial->dev,
722 usb_rcvctrlpipe(port->serial->dev, 0 ),
723 SUSBCRequest_Misc,
724 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
725 SUSBCR_MSC_ResetAllQueues,
726 0,
727 NULL,//transfer_buffer,
728 0,
729 KOBIL_TIMEOUT
730 );
731
732 dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __FUNCTION__, port->number, result);
733
734 kfree(transfer_buffer);
735 return ((result < 0) ? -EFAULT : 0);
736
737 }
738 return -ENOIOCTLCMD;
739}
740
741
742static int __init kobil_init (void)
743{
744 int retval;
745 retval = usb_serial_register(&kobil_device);
746 if (retval)
747 goto failed_usb_serial_register;
748 retval = usb_register(&kobil_driver);
749 if (retval)
750 goto failed_usb_register;
751
752 info(DRIVER_VERSION " " DRIVER_AUTHOR);
753 info(DRIVER_DESC);
754
755 return 0;
756failed_usb_register:
757 usb_serial_deregister(&kobil_device);
758failed_usb_serial_register:
759 return retval;
760}
761
762
763static void __exit kobil_exit (void)
764{
765 usb_deregister (&kobil_driver);
766 usb_serial_deregister (&kobil_device);
767}
768
769module_init(kobil_init);
770module_exit(kobil_exit);
771
772MODULE_AUTHOR( DRIVER_AUTHOR );
773MODULE_DESCRIPTION( DRIVER_DESC );
774MODULE_LICENSE( "GPL" );
775
776module_param(debug, bool, S_IRUGO | S_IWUSR);
777MODULE_PARM_DESC(debug, "Debug enabled or not");