drivers/usb/serial/kobil_sct.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  *  KOBIL USB Smart Card Terminal Driver
   4  *
   5  *  Copyright (C) 2002  KOBIL Systems GmbH
   6  *  Author: Thomas Wahrenbruch
   7  *
   8  *  Contact: linuxusb@kobil.de
   9  *
  10  *  This program is largely derived from work by the linux-usb group
  11  *  and associated source files.  Please see the usb/serial files for
  12  *  individual credits and copyrights.
  13  *
  14  *  Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and
  15  *  patience.
  16  *
  17  * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus
  18  * (Adapter K), B1 Professional and KAAN Professional (Adapter B)
  19  */
  20
  21
  22 #include <linux/kernel.h>
  23 #include <linux/errno.h>
  24 #include <linux/slab.h>
  25 #include <linux/tty.h>
  26 #include <linux/tty_driver.h>
  27 #include <linux/tty_flip.h>
  28 #include <linux/module.h>
  29 #include <linux/spinlock.h>
  30 #include <linux/uaccess.h>
  31 #include <linux/usb.h>
  32 #include <linux/usb/serial.h>
  33 #include <linux/ioctl.h>
  34 #include "kobil_sct.h"
  35
  36 #define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com"
  37 #define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)"
  38
  39 #define KOBIL_VENDOR_ID                 0x0D46
  40 #define KOBIL_ADAPTER_B_PRODUCT_ID      0x2011
  41 #define KOBIL_ADAPTER_K_PRODUCT_ID      0x2012
  42 #define KOBIL_USBTWIN_PRODUCT_ID        0x0078
  43 #define KOBIL_KAAN_SIM_PRODUCT_ID       0x0081
  44
  45 #define KOBIL_TIMEOUT           500
  46 #define KOBIL_BUF_LENGTH        300
  47
  48
  49 /* Function prototypes */
  50 static int kobil_port_probe(struct usb_serial_port *probe);
  51 static int kobil_port_remove(struct usb_serial_port *probe);
  52 static int  kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
  53 static void kobil_close(struct usb_serial_port *port);
  54 static int  kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
  55                          const unsigned char *buf, int count);
  56 static int  kobil_write_room(struct tty_struct *tty);
  57 static int  kobil_ioctl(struct tty_struct *tty,
  58                         unsigned int cmd, unsigned long arg);
  59 static int  kobil_tiocmget(struct tty_struct *tty);
  60 static int  kobil_tiocmset(struct tty_struct *tty,
  61                            unsigned int set, unsigned int clear);
  62 static void kobil_read_int_callback(struct urb *urb);
  63 static void kobil_write_int_callback(struct urb *urb);
  64 static void kobil_set_termios(struct tty_struct *tty,
  65                         struct usb_serial_port *port, struct ktermios *old);
  66 static void kobil_init_termios(struct tty_struct *tty);
  67
  68 static const struct usb_device_id id_table[] = {
  69         { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) },
  70         { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) },
  71         { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) },
  72         { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) },
  73         { }                     /* Terminating entry */
  74 };
  75 MODULE_DEVICE_TABLE(usb, id_table);
  76
  77 static struct usb_serial_driver kobil_device = {
  78         .driver = {
  79                 .owner =        THIS_MODULE,
  80                 .name =         "kobil",
  81         },
  82         .description =          "KOBIL USB smart card terminal",
  83         .id_table =             id_table,
  84         .num_ports =            1,
  85         .num_interrupt_out =    1,
  86         .port_probe =           kobil_port_probe,
  87         .port_remove =          kobil_port_remove,
  88         .ioctl =                kobil_ioctl,
  89         .set_termios =          kobil_set_termios,
  90         .init_termios =         kobil_init_termios,
  91         .tiocmget =             kobil_tiocmget,
  92         .tiocmset =             kobil_tiocmset,
  93         .open =                 kobil_open,
  94         .close =                kobil_close,
  95         .write =                kobil_write,
  96         .write_room =           kobil_write_room,
  97         .read_int_callback =    kobil_read_int_callback,
  98         .write_int_callback =   kobil_write_int_callback,
  99 };
 100
 101 static struct usb_serial_driver * const serial_drivers[] = {
 102         &kobil_device, NULL
 103 };
 104
 105 struct kobil_private {
 106         unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */
 107         int filled;  /* index of the last char in buf */
 108         int cur_pos; /* index of the next char to send in buf */
 109         __u16 device_type;
 110 };
 111
 112
 113 static int kobil_port_probe(struct usb_serial_port *port)
 114 {
 115         struct usb_serial *serial = port->serial;
 116         struct kobil_private *priv;
 117
 118         priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL);
 119         if (!priv)
 120                 return -ENOMEM;
 121
 122         priv->filled = 0;
 123         priv->cur_pos = 0;
 124         priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct);
 125
 126         switch (priv->device_type) {
 127         case KOBIL_ADAPTER_B_PRODUCT_ID:
 128                 dev_dbg(&serial->dev->dev, "KOBIL B1 PRO / KAAN PRO detected\n");
 129                 break;
 130         case KOBIL_ADAPTER_K_PRODUCT_ID:
 131                 dev_dbg(&serial->dev->dev, "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n");
 132                 break;
 133         case KOBIL_USBTWIN_PRODUCT_ID:
 134                 dev_dbg(&serial->dev->dev, "KOBIL USBTWIN detected\n");
 135                 break;
 136         case KOBIL_KAAN_SIM_PRODUCT_ID:
 137                 dev_dbg(&serial->dev->dev, "KOBIL KAAN SIM detected\n");
 138                 break;
 139         }
 140         usb_set_serial_port_data(port, priv);
 141
 142         return 0;
 143 }
 144
 145
 146 static int kobil_port_remove(struct usb_serial_port *port)
 147 {
 148         struct kobil_private *priv;
 149
 150         priv = usb_get_serial_port_data(port);
 151         kfree(priv);
 152
 153         return 0;
 154 }
 155
 156 static void kobil_init_termios(struct tty_struct *tty)
 157 {
 158         /* Default to echo off and other sane device settings */
 159         tty->termios.c_lflag = 0;
 160         tty->termios.c_iflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
 161         tty->termios.c_iflag |= IGNBRK | IGNPAR | IXOFF;
 162         /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */
 163         tty->termios.c_oflag &= ~ONLCR;
 164 }
 165
 166 static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
 167 {
 168         struct device *dev = &port->dev;
 169         int result = 0;
 170         struct kobil_private *priv;
 171         unsigned char *transfer_buffer;
 172         int transfer_buffer_length = 8;
 173
 174         priv = usb_get_serial_port_data(port);
 175
 176         /* allocate memory for transfer buffer */
 177         transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
 178         if (!transfer_buffer)
 179                 return -ENOMEM;
 180
 181         /* get hardware version */
 182         result = usb_control_msg(port->serial->dev,
 183                           usb_rcvctrlpipe(port->serial->dev, 0),
 184                           SUSBCRequest_GetMisc,
 185                           USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
 186                           SUSBCR_MSC_GetHWVersion,
 187                           0,
 188                           transfer_buffer,
 189                           transfer_buffer_length,
 190                           KOBIL_TIMEOUT
 191         );
 192         dev_dbg(dev, "%s - Send get_HW_version URB returns: %i\n", __func__, result);
 193         if (result >= 3) {
 194                 dev_dbg(dev, "Hardware version: %i.%i.%i\n", transfer_buffer[0],
 195                                 transfer_buffer[1], transfer_buffer[2]);
 196         }
 197
 198         /* get firmware version */
 199         result = usb_control_msg(port->serial->dev,
 200                           usb_rcvctrlpipe(port->serial->dev, 0),
 201                           SUSBCRequest_GetMisc,
 202                           USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
 203                           SUSBCR_MSC_GetFWVersion,
 204                           0,
 205                           transfer_buffer,
 206                           transfer_buffer_length,
 207                           KOBIL_TIMEOUT
 208         );
 209         dev_dbg(dev, "%s - Send get_FW_version URB returns: %i\n", __func__, result);
 210         if (result >= 3) {
 211                 dev_dbg(dev, "Firmware version: %i.%i.%i\n", transfer_buffer[0],
 212                                 transfer_buffer[1], transfer_buffer[2]);
 213         }
 214
 215         if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
 216                         priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
 217                 /* Setting Baudrate, Parity and Stopbits */
 218                 result = usb_control_msg(port->serial->dev,
 219                           usb_sndctrlpipe(port->serial->dev, 0),
 220                           SUSBCRequest_SetBaudRateParityAndStopBits,
 221                           USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 222                           SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity |
 223                                                         SUSBCR_SPASB_1StopBit,
 224                           0,
 225                           NULL,
 226                           0,
 227                           KOBIL_TIMEOUT
 228                 );
 229                 dev_dbg(dev, "%s - Send set_baudrate URB returns: %i\n", __func__, result);
 230
 231                 /* reset all queues */
 232                 result = usb_control_msg(port->serial->dev,
 233                           usb_sndctrlpipe(port->serial->dev, 0),
 234                           SUSBCRequest_Misc,
 235                           USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 236                           SUSBCR_MSC_ResetAllQueues,
 237                           0,
 238                           NULL,
 239                           0,
 240                           KOBIL_TIMEOUT
 241                 );
 242                 dev_dbg(dev, "%s - Send reset_all_queues URB returns: %i\n", __func__, result);
 243         }
 244         if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
 245             priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
 246             priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
 247                 /* start reading (Adapter B 'cause PNP string) */
 248                 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 249                 dev_dbg(dev, "%s - Send read URB returns: %i\n", __func__, result);
 250         }
 251
 252         kfree(transfer_buffer);
 253         return 0;
 254 }
 255
 256
 257 static void kobil_close(struct usb_serial_port *port)
 258 {
 259         /* FIXME: Add rts/dtr methods */
 260         usb_kill_urb(port->interrupt_out_urb);
 261         usb_kill_urb(port->interrupt_in_urb);
 262 }
 263
 264
 265 static void kobil_read_int_callback(struct urb *urb)
 266 {
 267         int result;
 268         struct usb_serial_port *port = urb->context;
 269         unsigned char *data = urb->transfer_buffer;
 270         int status = urb->status;
 271
 272         if (status) {
 273                 dev_dbg(&port->dev, "%s - Read int status not zero: %d\n", __func__, status);
 274                 return;
 275         }
 276
 277         if (urb->actual_length) {
 278                 usb_serial_debug_data(&port->dev, __func__, urb->actual_length,
 279                                                                         data);
 280                 tty_insert_flip_string(&port->port, data, urb->actual_length);
 281                 tty_flip_buffer_push(&port->port);
 282         }
 283
 284         result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
 285         dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result);
 286 }
 287
 288
 289 static void kobil_write_int_callback(struct urb *urb)
 290 {
 291 }
 292
 293
 294 static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
 295                         const unsigned char *buf, int count)
 296 {
 297         int length = 0;
 298         int result = 0;
 299         int todo = 0;
 300         struct kobil_private *priv;
 301
 302         if (count == 0) {
 303                 dev_dbg(&port->dev, "%s - write request of 0 bytes\n", __func__);
 304                 return 0;
 305         }
 306
 307         priv = usb_get_serial_port_data(port);
 308
 309         if (count > (KOBIL_BUF_LENGTH - priv->filled)) {
 310                 dev_dbg(&port->dev, "%s - Error: write request bigger than buffer size\n", __func__);
 311                 return -ENOMEM;
 312         }
 313
 314         /* Copy data to buffer */
 315         memcpy(priv->buf + priv->filled, buf, count);
 316         usb_serial_debug_data(&port->dev, __func__, count, priv->buf + priv->filled);
 317         priv->filled = priv->filled + count;
 318
 319         /* only send complete block. TWIN, KAAN SIM and adapter K
 320            use the same protocol. */
 321         if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) ||
 322              ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) {
 323                 /* stop reading (except TWIN and KAAN SIM) */
 324                 if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID)
 325                         || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID))
 326                         usb_kill_urb(port->interrupt_in_urb);
 327
 328                 todo = priv->filled - priv->cur_pos;
 329
 330                 while (todo > 0) {
 331                         /* max 8 byte in one urb (endpoint size) */
 332                         length = min(todo, port->interrupt_out_size);
 333                         /* copy data to transfer buffer */
 334                         memcpy(port->interrupt_out_buffer,
 335                                         priv->buf + priv->cur_pos, length);
 336                         port->interrupt_out_urb->transfer_buffer_length = length;
 337
 338                         priv->cur_pos = priv->cur_pos + length;
 339                         result = usb_submit_urb(port->interrupt_out_urb,
 340                                         GFP_ATOMIC);
 341                         dev_dbg(&port->dev, "%s - Send write URB returns: %i\n", __func__, result);
 342                         todo = priv->filled - priv->cur_pos;
 343
 344                         if (todo > 0)
 345                                 msleep(24);
 346                 }
 347
 348                 priv->filled = 0;
 349                 priv->cur_pos = 0;
 350
 351                 /* start reading (except TWIN and KAAN SIM) */
 352                 if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
 353                         priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
 354                         result = usb_submit_urb(port->interrupt_in_urb,
 355                                         GFP_ATOMIC);
 356                         dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result);
 357                 }
 358         }
 359         return count;
 360 }
 361
 362
 363 static int kobil_write_room(struct tty_struct *tty)
 364 {
 365         /* FIXME */
 366         return 8;
 367 }
 368
 369
 370 static int kobil_tiocmget(struct tty_struct *tty)
 371 {
 372         struct usb_serial_port *port = tty->driver_data;
 373         struct kobil_private *priv;
 374         int result;
 375         unsigned char *transfer_buffer;
 376         int transfer_buffer_length = 8;
 377
 378         priv = usb_get_serial_port_data(port);
 379         if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID
 380                         || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
 381                 /* This device doesn't support ioctl calls */
 382                 return -EINVAL;
 383         }
 384
 385         /* allocate memory for transfer buffer */
 386         transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
 387         if (!transfer_buffer)
 388                 return -ENOMEM;
 389
 390         result = usb_control_msg(port->serial->dev,
 391                           usb_rcvctrlpipe(port->serial->dev, 0),
 392                           SUSBCRequest_GetStatusLineState,
 393                           USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
 394                           0,
 395                           0,
 396                           transfer_buffer,
 397                           transfer_buffer_length,
 398                           KOBIL_TIMEOUT);
 399
 400         dev_dbg(&port->dev, "Send get_status_line_state URB returns: %i\n",
 401                         result);
 402         if (result < 1) {
 403                 if (result >= 0)
 404                         result = -EIO;
 405                 goto out_free;
 406         }
 407
 408         dev_dbg(&port->dev, "Statusline: %02x\n", transfer_buffer[0]);
 409
 410         result = 0;
 411         if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0)
 412                 result = TIOCM_DSR;
 413 out_free:
 414         kfree(transfer_buffer);
 415         return result;
 416 }
 417
 418 static int kobil_tiocmset(struct tty_struct *tty,
 419                            unsigned int set, unsigned int clear)
 420 {
 421         struct usb_serial_port *port = tty->driver_data;
 422         struct device *dev = &port->dev;
 423         struct kobil_private *priv;
 424         int result;
 425         int dtr = 0;
 426         int rts = 0;
 427
 428         /* FIXME: locking ? */
 429         priv = usb_get_serial_port_data(port);
 430         if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID
 431                 || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
 432                 /* This device doesn't support ioctl calls */
 433                 return -EINVAL;
 434         }
 435
 436         if (set & TIOCM_RTS)
 437                 rts = 1;
 438         if (set & TIOCM_DTR)
 439                 dtr = 1;
 440         if (clear & TIOCM_RTS)
 441                 rts = 0;
 442         if (clear & TIOCM_DTR)
 443                 dtr = 0;
 444
 445         if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) {
 446                 if (dtr != 0)
 447                         dev_dbg(dev, "%s - Setting DTR\n", __func__);
 448                 else
 449                         dev_dbg(dev, "%s - Clearing DTR\n", __func__);
 450                 result = usb_control_msg(port->serial->dev,
 451                           usb_sndctrlpipe(port->serial->dev, 0),
 452                           SUSBCRequest_SetStatusLinesOrQueues,
 453                           USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 454                           ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
 455                           0,
 456                           NULL,
 457                           0,
 458                           KOBIL_TIMEOUT);
 459         } else {
 460                 if (rts != 0)
 461                         dev_dbg(dev, "%s - Setting RTS\n", __func__);
 462                 else
 463                         dev_dbg(dev, "%s - Clearing RTS\n", __func__);
 464                 result = usb_control_msg(port->serial->dev,
 465                         usb_sndctrlpipe(port->serial->dev, 0),
 466                         SUSBCRequest_SetStatusLinesOrQueues,
 467                         USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 468                         ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
 469                         0,
 470                         NULL,
 471                         0,
 472                         KOBIL_TIMEOUT);
 473         }
 474         dev_dbg(dev, "%s - Send set_status_line URB returns: %i\n", __func__, result);
 475         return (result < 0) ? result : 0;
 476 }
 477
 478 static void kobil_set_termios(struct tty_struct *tty,
 479                         struct usb_serial_port *port, struct ktermios *old)
 480 {
 481         struct kobil_private *priv;
 482         int result;
 483         unsigned short urb_val = 0;
 484         int c_cflag = tty->termios.c_cflag;
 485         speed_t speed;
 486
 487         priv = usb_get_serial_port_data(port);
 488         if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
 489                         priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
 490                 /* This device doesn't support ioctl calls */
 491                 tty_termios_copy_hw(&tty->termios, old);
 492                 return;
 493         }
 494
 495         speed = tty_get_baud_rate(tty);
 496         switch (speed) {
 497         case 1200:
 498                 urb_val = SUSBCR_SBR_1200;
 499                 break;
 500         default:
 501                 speed = 9600;
 502                 /* fall through */
 503         case 9600:
 504                 urb_val = SUSBCR_SBR_9600;
 505                 break;
 506         }
 507         urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits :
 508                                                         SUSBCR_SPASB_1StopBit;
 509         if (c_cflag & PARENB) {
 510                 if  (c_cflag & PARODD)
 511                         urb_val |= SUSBCR_SPASB_OddParity;
 512                 else
 513                         urb_val |= SUSBCR_SPASB_EvenParity;
 514         } else
 515                 urb_val |= SUSBCR_SPASB_NoParity;
 516         tty->termios.c_cflag &= ~CMSPAR;
 517         tty_encode_baud_rate(tty, speed, speed);
 518
 519         result = usb_control_msg(port->serial->dev,
 520                   usb_sndctrlpipe(port->serial->dev, 0),
 521                   SUSBCRequest_SetBaudRateParityAndStopBits,
 522                   USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 523                   urb_val,
 524                   0,
 525                   NULL,
 526                   0,
 527                   KOBIL_TIMEOUT
 528                 );
 529 }
 530
 531 static int kobil_ioctl(struct tty_struct *tty,
 532                                         unsigned int cmd, unsigned long arg)
 533 {
 534         struct usb_serial_port *port = tty->driver_data;
 535         struct kobil_private *priv = usb_get_serial_port_data(port);
 536         int result;
 537
 538         if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
 539                         priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)
 540                 /* This device doesn't support ioctl calls */
 541                 return -ENOIOCTLCMD;
 542
 543         switch (cmd) {
 544         case TCFLSH:
 545                 result = usb_control_msg(port->serial->dev,
 546                           usb_sndctrlpipe(port->serial->dev, 0),
 547                           SUSBCRequest_Misc,
 548                           USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 549                           SUSBCR_MSC_ResetAllQueues,
 550                           0,
 551                           NULL,
 552                           0,
 553                           KOBIL_TIMEOUT
 554                         );
 555
 556                 dev_dbg(&port->dev,
 557                         "%s - Send reset_all_queues (FLUSH) URB returns: %i\n",
 558                         __func__, result);
 559                 return (result < 0) ? -EIO: 0;
 560         default:
 561                 return -ENOIOCTLCMD;
 562         }
 563 }
 564
 565 module_usb_serial_driver(serial_drivers, id_table);
 566
 567 MODULE_AUTHOR(DRIVER_AUTHOR);
 568 MODULE_DESCRIPTION(DRIVER_DESC);
 569 MODULE_LICENSE("GPL");