drivers/usb/serial/iuu_phoenix.c

   1 /*
   2  * Infinity Unlimited USB Phoenix driver
   3  *
   4  * Copyright (C) 2010 James Courtier-Dutton (James@superbug.co.uk)
   5
   6  * Copyright (C) 2007 Alain Degreffe (eczema@ecze.com)
   7  *
   8  * Original code taken from iuutool (Copyright (C) 2006 Juan Carlos BorrÃ¡s)
   9  *
  10  *      This program is free software; you can redistribute it and/or modify
  11  *      it under the terms of the GNU General Public License as published by
  12  *      the Free Software Foundation; either version 2 of the License, or
  13  *      (at your option) any later version.
  14  *
  15  *  And tested with help of WB Electronics
  16  *
  17  */
  18 #include <linux/kernel.h>
  19 #include <linux/errno.h>
  20 #include <linux/init.h>
  21 #include <linux/slab.h>
  22 #include <linux/tty.h>
  23 #include <linux/tty_driver.h>
  24 #include <linux/tty_flip.h>
  25 #include <linux/serial.h>
  26 #include <linux/module.h>
  27 #include <linux/moduleparam.h>
  28 #include <linux/spinlock.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/usb.h>
  31 #include <linux/usb/serial.h>
  32 #include "iuu_phoenix.h"
  33 #include <linux/random.h>
  34
  35
  36 #ifdef CONFIG_USB_SERIAL_DEBUG
  37 static bool debug = 1;
  38 #else
  39 static bool debug;
  40 #endif
  41
  42 /*
  43  * Version Information
  44  */
  45 #define DRIVER_VERSION "v0.12"
  46 #define DRIVER_DESC "Infinity USB Unlimited Phoenix driver"
  47
  48 static const struct usb_device_id id_table[] = {
  49         {USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)},
  50         {}                      /* Terminating entry */
  51 };
  52 MODULE_DEVICE_TABLE(usb, id_table);
  53
  54 static struct usb_driver iuu_driver = {
  55         .name = "iuu_phoenix",
  56         .probe = usb_serial_probe,
  57         .disconnect = usb_serial_disconnect,
  58         .id_table = id_table,
  59 };
  60
  61 /* turbo parameter */
  62 static int boost = 100;
  63 static int clockmode = 1;
  64 static int cdmode = 1;
  65 static int iuu_cardin;
  66 static int iuu_cardout;
  67 static bool xmas;
  68 static int vcc_default = 5;
  69
  70 static void read_rxcmd_callback(struct urb *urb);
  71
  72 struct iuu_private {
  73         spinlock_t lock;        /* store irq state */
  74         wait_queue_head_t delta_msr_wait;
  75         u8 line_status;
  76         int tiostatus;          /* store IUART SIGNAL for tiocmget call */
  77         u8 reset;               /* if 1 reset is needed */
  78         int poll;               /* number of poll */
  79         u8 *writebuf;           /* buffer for writing to device */
  80         int writelen;           /* num of byte to write to device */
  81         u8 *buf;                /* used for initialize speed */
  82         u8 *dbgbuf;             /* debug buffer */
  83         u8 len;
  84         int vcc;                /* vcc (either 3 or 5 V) */
  85         u32 baud;
  86         u32 boost;
  87         u32 clk;
  88 };
  89
  90
  91 static void iuu_free_buf(struct iuu_private *priv)
  92 {
  93         kfree(priv->buf);
  94         kfree(priv->dbgbuf);
  95         kfree(priv->writebuf);
  96 }
  97
  98 static int iuu_alloc_buf(struct iuu_private *priv)
  99 {
 100         priv->buf = kzalloc(256, GFP_KERNEL);
 101         priv->dbgbuf = kzalloc(256, GFP_KERNEL);
 102         priv->writebuf = kzalloc(256, GFP_KERNEL);
 103         if (!priv->buf || !priv->dbgbuf || !priv->writebuf) {
 104                 iuu_free_buf(priv);
 105                 dbg("%s problem allocation buffer", __func__);
 106                 return -ENOMEM;
 107         }
 108         dbg("%s - Privates buffers allocation success", __func__);
 109         return 0;
 110 }
 111
 112 static int iuu_startup(struct usb_serial *serial)
 113 {
 114         struct iuu_private *priv;
 115         priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL);
 116         dbg("%s- priv allocation success", __func__);
 117         if (!priv)
 118                 return -ENOMEM;
 119         if (iuu_alloc_buf(priv)) {
 120                 kfree(priv);
 121                 return -ENOMEM;
 122         }
 123         priv->vcc = vcc_default;
 124         spin_lock_init(&priv->lock);
 125         init_waitqueue_head(&priv->delta_msr_wait);
 126         usb_set_serial_port_data(serial->port[0], priv);
 127         return 0;
 128 }
 129
 130 /* Release function */
 131 static void iuu_release(struct usb_serial *serial)
 132 {
 133         struct usb_serial_port *port = serial->port[0];
 134         struct iuu_private *priv = usb_get_serial_port_data(port);
 135         if (!port)
 136                 return;
 137
 138         dbg("%s", __func__);
 139
 140         if (priv) {
 141                 iuu_free_buf(priv);
 142                 dbg("%s - I will free all", __func__);
 143                 usb_set_serial_port_data(port, NULL);
 144
 145                 dbg("%s - priv is not anymore in port structure", __func__);
 146                 kfree(priv);
 147
 148                 dbg("%s priv is now kfree", __func__);
 149         }
 150 }
 151
 152 static int iuu_tiocmset(struct tty_struct *tty,
 153                         unsigned int set, unsigned int clear)
 154 {
 155         struct usb_serial_port *port = tty->driver_data;
 156         struct iuu_private *priv = usb_get_serial_port_data(port);
 157         unsigned long flags;
 158
 159         /* FIXME: locking on tiomstatus */
 160         dbg("%s (%d) msg : SET = 0x%04x, CLEAR = 0x%04x ", __func__,
 161             port->number, set, clear);
 162
 163         spin_lock_irqsave(&priv->lock, flags);
 164
 165         if ((set & TIOCM_RTS) && !(priv->tiostatus == TIOCM_RTS)) {
 166                 dbg("%s TIOCMSET RESET called !!!", __func__);
 167                 priv->reset = 1;
 168         }
 169         if (set & TIOCM_RTS)
 170                 priv->tiostatus = TIOCM_RTS;
 171
 172         spin_unlock_irqrestore(&priv->lock, flags);
 173         return 0;
 174 }
 175
 176 /* This is used to provide a carrier detect mechanism
 177  * When a card is present, the response is 0x00
 178  * When no card , the reader respond with TIOCM_CD
 179  * This is known as CD autodetect mechanism
 180  */
 181 static int iuu_tiocmget(struct tty_struct *tty)
 182 {
 183         struct usb_serial_port *port = tty->driver_data;
 184         struct iuu_private *priv = usb_get_serial_port_data(port);
 185         unsigned long flags;
 186         int rc;
 187
 188         spin_lock_irqsave(&priv->lock, flags);
 189         rc = priv->tiostatus;
 190         spin_unlock_irqrestore(&priv->lock, flags);
 191
 192         return rc;
 193 }
 194
 195 static void iuu_rxcmd(struct urb *urb)
 196 {
 197         struct usb_serial_port *port = urb->context;
 198         int result;
 199         int status = urb->status;
 200
 201         dbg("%s - enter", __func__);
 202
 203         if (status) {
 204                 dbg("%s - status = %d", __func__, status);
 205                 /* error stop all */
 206                 return;
 207         }
 208
 209
 210         memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);
 211         usb_fill_bulk_urb(port->write_urb, port->serial->dev,
 212                           usb_sndbulkpipe(port->serial->dev,
 213                                           port->bulk_out_endpointAddress),
 214                           port->write_urb->transfer_buffer, 1,
 215                           read_rxcmd_callback, port);
 216         result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 217 }
 218
 219 static int iuu_reset(struct usb_serial_port *port, u8 wt)
 220 {
 221         struct iuu_private *priv = usb_get_serial_port_data(port);
 222         int result;
 223         char *buf_ptr = port->write_urb->transfer_buffer;
 224         dbg("%s - enter", __func__);
 225
 226         /* Prepare the reset sequence */
 227
 228         *buf_ptr++ = IUU_RST_SET;
 229         *buf_ptr++ = IUU_DELAY_MS;
 230         *buf_ptr++ = wt;
 231         *buf_ptr = IUU_RST_CLEAR;
 232
 233         /* send the sequence */
 234
 235         usb_fill_bulk_urb(port->write_urb,
 236                           port->serial->dev,
 237                           usb_sndbulkpipe(port->serial->dev,
 238                                           port->bulk_out_endpointAddress),
 239                           port->write_urb->transfer_buffer, 4, iuu_rxcmd, port);
 240         result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 241         priv->reset = 0;
 242         return result;
 243 }
 244
 245 /* Status Function
 246  * Return value is
 247  * 0x00 = no card
 248  * 0x01 = smartcard
 249  * 0x02 = sim card
 250  */
 251 static void iuu_update_status_callback(struct urb *urb)
 252 {
 253         struct usb_serial_port *port = urb->context;
 254         struct iuu_private *priv = usb_get_serial_port_data(port);
 255         u8 *st;
 256         int status = urb->status;
 257
 258         dbg("%s - enter", __func__);
 259
 260         if (status) {
 261                 dbg("%s - status = %d", __func__, status);
 262                 /* error stop all */
 263                 return;
 264         }
 265
 266         st = urb->transfer_buffer;
 267         dbg("%s - enter", __func__);
 268         if (urb->actual_length == 1) {
 269                 switch (st[0]) {
 270                 case 0x1:
 271                         priv->tiostatus = iuu_cardout;
 272                         break;
 273                 case 0x0:
 274                         priv->tiostatus = iuu_cardin;
 275                         break;
 276                 default:
 277                         priv->tiostatus = iuu_cardin;
 278                 }
 279         }
 280         iuu_rxcmd(urb);
 281 }
 282
 283 static void iuu_status_callback(struct urb *urb)
 284 {
 285         struct usb_serial_port *port = urb->context;
 286         int result;
 287         int status = urb->status;
 288
 289         dbg("%s - status = %d", __func__, status);
 290         usb_fill_bulk_urb(port->read_urb, port->serial->dev,
 291                           usb_rcvbulkpipe(port->serial->dev,
 292                                           port->bulk_in_endpointAddress),
 293                           port->read_urb->transfer_buffer, 256,
 294                           iuu_update_status_callback, port);
 295         result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 296 }
 297
 298 static int iuu_status(struct usb_serial_port *port)
 299 {
 300         int result;
 301
 302         dbg("%s - enter", __func__);
 303
 304         memset(port->write_urb->transfer_buffer, IUU_GET_STATE_REGISTER, 1);
 305         usb_fill_bulk_urb(port->write_urb, port->serial->dev,
 306                           usb_sndbulkpipe(port->serial->dev,
 307                                           port->bulk_out_endpointAddress),
 308                           port->write_urb->transfer_buffer, 1,
 309                           iuu_status_callback, port);
 310         result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 311         return result;
 312
 313 }
 314
 315 static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
 316 {
 317         int status;
 318         struct usb_serial *serial = port->serial;
 319         int actual = 0;
 320
 321         dbg("%s - enter", __func__);
 322
 323         /* send the data out the bulk port */
 324
 325         status =
 326             usb_bulk_msg(serial->dev,
 327                          usb_sndbulkpipe(serial->dev,
 328                                          port->bulk_out_endpointAddress), buf,
 329                          count, &actual, HZ * 1);
 330
 331         if (status != IUU_OPERATION_OK)
 332                 dbg("%s - error = %2x", __func__, status);
 333         else
 334                 dbg("%s - write OK !", __func__);
 335         return status;
 336 }
 337
 338 static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
 339 {
 340         int status;
 341         struct usb_serial *serial = port->serial;
 342         int actual = 0;
 343
 344         dbg("%s - enter", __func__);
 345
 346         /* send the data out the bulk port */
 347
 348         status =
 349             usb_bulk_msg(serial->dev,
 350                          usb_rcvbulkpipe(serial->dev,
 351                                          port->bulk_in_endpointAddress), buf,
 352                          count, &actual, HZ * 1);
 353
 354         if (status != IUU_OPERATION_OK)
 355                 dbg("%s - error = %2x", __func__, status);
 356         else
 357                 dbg("%s - read OK !", __func__);
 358         return status;
 359 }
 360
 361 static int iuu_led(struct usb_serial_port *port, unsigned int R,
 362                    unsigned int G, unsigned int B, u8 f)
 363 {
 364         int status;
 365         u8 *buf;
 366         buf = kmalloc(8, GFP_KERNEL);
 367         if (!buf)
 368                 return -ENOMEM;
 369
 370         dbg("%s - enter", __func__);
 371
 372         buf[0] = IUU_SET_LED;
 373         buf[1] = R & 0xFF;
 374         buf[2] = (R >> 8) & 0xFF;
 375         buf[3] = G & 0xFF;
 376         buf[4] = (G >> 8) & 0xFF;
 377         buf[5] = B & 0xFF;
 378         buf[6] = (B >> 8) & 0xFF;
 379         buf[7] = f;
 380         status = bulk_immediate(port, buf, 8);
 381         kfree(buf);
 382         if (status != IUU_OPERATION_OK)
 383                 dbg("%s - led error status = %2x", __func__, status);
 384         else
 385                 dbg("%s - led OK !", __func__);
 386         return IUU_OPERATION_OK;
 387 }
 388
 389 static void iuu_rgbf_fill_buffer(u8 *buf, u8 r1, u8 r2, u8 g1, u8 g2, u8 b1,
 390                                  u8 b2, u8 freq)
 391 {
 392         *buf++ = IUU_SET_LED;
 393         *buf++ = r1;
 394         *buf++ = r2;
 395         *buf++ = g1;
 396         *buf++ = g2;
 397         *buf++ = b1;
 398         *buf++ = b2;
 399         *buf = freq;
 400 }
 401
 402 static void iuu_led_activity_on(struct urb *urb)
 403 {
 404         struct usb_serial_port *port = urb->context;
 405         int result;
 406         char *buf_ptr = port->write_urb->transfer_buffer;
 407         *buf_ptr++ = IUU_SET_LED;
 408         if (xmas == 1) {
 409                 get_random_bytes(buf_ptr, 6);
 410                 *(buf_ptr+7) = 1;
 411         } else {
 412                 iuu_rgbf_fill_buffer(buf_ptr, 255, 255, 0, 0, 0, 0, 255);
 413         }
 414
 415         usb_fill_bulk_urb(port->write_urb, port->serial->dev,
 416                           usb_sndbulkpipe(port->serial->dev,
 417                                           port->bulk_out_endpointAddress),
 418                           port->write_urb->transfer_buffer, 8 ,
 419                           iuu_rxcmd, port);
 420         result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 421 }
 422
 423 static void iuu_led_activity_off(struct urb *urb)
 424 {
 425         struct usb_serial_port *port = urb->context;
 426         int result;
 427         char *buf_ptr = port->write_urb->transfer_buffer;
 428         if (xmas == 1) {
 429                 iuu_rxcmd(urb);
 430                 return;
 431         } else {
 432                 *buf_ptr++ = IUU_SET_LED;
 433                 iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255);
 434         }
 435         usb_fill_bulk_urb(port->write_urb, port->serial->dev,
 436                           usb_sndbulkpipe(port->serial->dev,
 437                                           port->bulk_out_endpointAddress),
 438                           port->write_urb->transfer_buffer, 8 ,
 439                           iuu_rxcmd, port);
 440         result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 441 }
 442
 443
 444
 445 static int iuu_clk(struct usb_serial_port *port, int dwFrq)
 446 {
 447         int status;
 448         struct iuu_private *priv = usb_get_serial_port_data(port);
 449         int Count = 0;
 450         u8 FrqGenAdr = 0x69;
 451         u8 DIV = 0;             /* 8bit */
 452         u8 XDRV = 0;            /* 8bit */
 453         u8 PUMP = 0;            /* 3bit */
 454         u8 PBmsb = 0;           /* 2bit */
 455         u8 PBlsb = 0;           /* 8bit */
 456         u8 PO = 0;              /* 1bit */
 457         u8 Q = 0;               /* 7bit */
 458         /* 24bit = 3bytes */
 459         unsigned int P = 0;
 460         unsigned int P2 = 0;
 461         int frq = (int)dwFrq;
 462
 463         dbg("%s - enter", __func__);
 464
 465         if (frq == 0) {
 466                 priv->buf[Count++] = IUU_UART_WRITE_I2C;
 467                 priv->buf[Count++] = FrqGenAdr << 1;
 468                 priv->buf[Count++] = 0x09;
 469                 priv->buf[Count++] = 0x00;
 470
 471                 status = bulk_immediate(port, (u8 *) priv->buf, Count);
 472                 if (status != 0) {
 473                         dbg("%s - write error ", __func__);
 474                         return status;
 475                 }
 476         } else if (frq == 3579000) {
 477                 DIV = 100;
 478                 P = 1193;
 479                 Q = 40;
 480                 XDRV = 0;
 481         } else if (frq == 3680000) {
 482                 DIV = 105;
 483                 P = 161;
 484                 Q = 5;
 485                 XDRV = 0;
 486         } else if (frq == 6000000) {
 487                 DIV = 66;
 488                 P = 66;
 489                 Q = 2;
 490                 XDRV = 0x28;
 491         } else {
 492                 unsigned int result = 0;
 493                 unsigned int tmp = 0;
 494                 unsigned int check;
 495                 unsigned int check2;
 496                 char found = 0x00;
 497                 unsigned int lQ = 2;
 498                 unsigned int lP = 2055;
 499                 unsigned int lDiv = 4;
 500
 501                 for (lQ = 2; lQ <= 47 && !found; lQ++)
 502                         for (lP = 2055; lP >= 8 && !found; lP--)
 503                                 for (lDiv = 4; lDiv <= 127 && !found; lDiv++) {
 504                                         tmp = (12000000 / lDiv) * (lP / lQ);
 505                                         if (abs((int)(tmp - frq)) <
 506                                             abs((int)(frq - result))) {
 507                                                 check2 = (12000000 / lQ);
 508                                                 if (check2 < 250000)
 509                                                         continue;
 510                                                 check = (12000000 / lQ) * lP;
 511                                                 if (check > 400000000)
 512                                                         continue;
 513                                                 if (check < 100000000)
 514                                                         continue;
 515                                                 if (lDiv < 4 || lDiv > 127)
 516                                                         continue;
 517                                                 result = tmp;
 518                                                 P = lP;
 519                                                 DIV = lDiv;
 520                                                 Q = lQ;
 521                                                 if (result == frq)
 522                                                         found = 0x01;
 523                                         }
 524                                 }
 525         }
 526         P2 = ((P - PO) / 2) - 4;
 527         DIV = DIV;
 528         PUMP = 0x04;
 529         PBmsb = (P2 >> 8 & 0x03);
 530         PBlsb = P2 & 0xFF;
 531         PO = (P >> 10) & 0x01;
 532         Q = Q - 2;
 533
 534         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /* 0x4C */
 535         priv->buf[Count++] = FrqGenAdr << 1;
 536         priv->buf[Count++] = 0x09;
 537         priv->buf[Count++] = 0x20;      /* Adr = 0x09 */
 538         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /* 0x4C */
 539         priv->buf[Count++] = FrqGenAdr << 1;
 540         priv->buf[Count++] = 0x0C;
 541         priv->buf[Count++] = DIV;       /* Adr = 0x0C */
 542         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /* 0x4C */
 543         priv->buf[Count++] = FrqGenAdr << 1;
 544         priv->buf[Count++] = 0x12;
 545         priv->buf[Count++] = XDRV;      /* Adr = 0x12 */
 546         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /*  0x4C */
 547         priv->buf[Count++] = FrqGenAdr << 1;
 548         priv->buf[Count++] = 0x13;
 549         priv->buf[Count++] = 0x6B;      /* Adr = 0x13 */
 550         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /*  0x4C */
 551         priv->buf[Count++] = FrqGenAdr << 1;
 552         priv->buf[Count++] = 0x40;
 553         priv->buf[Count++] = (0xC0 | ((PUMP & 0x07) << 2)) |
 554                              (PBmsb & 0x03);    /* Adr = 0x40 */
 555         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /*  0x4C */
 556         priv->buf[Count++] = FrqGenAdr << 1;
 557         priv->buf[Count++] = 0x41;
 558         priv->buf[Count++] = PBlsb;     /* Adr = 0x41 */
 559         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /*  0x4C */
 560         priv->buf[Count++] = FrqGenAdr << 1;
 561         priv->buf[Count++] = 0x42;
 562         priv->buf[Count++] = Q | (((PO & 0x01) << 7));  /* Adr = 0x42 */
 563         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /*  0x4C */
 564         priv->buf[Count++] = FrqGenAdr << 1;
 565         priv->buf[Count++] = 0x44;
 566         priv->buf[Count++] = (char)0xFF;        /* Adr = 0x44 */
 567         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /*  0x4C */
 568         priv->buf[Count++] = FrqGenAdr << 1;
 569         priv->buf[Count++] = 0x45;
 570         priv->buf[Count++] = (char)0xFE;        /* Adr = 0x45 */
 571         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /*  0x4C */
 572         priv->buf[Count++] = FrqGenAdr << 1;
 573         priv->buf[Count++] = 0x46;
 574         priv->buf[Count++] = 0x7F;      /* Adr = 0x46 */
 575         priv->buf[Count++] = IUU_UART_WRITE_I2C;        /*  0x4C */
 576         priv->buf[Count++] = FrqGenAdr << 1;
 577         priv->buf[Count++] = 0x47;
 578         priv->buf[Count++] = (char)0x84;        /* Adr = 0x47 */
 579
 580         status = bulk_immediate(port, (u8 *) priv->buf, Count);
 581         if (status != IUU_OPERATION_OK)
 582                 dbg("%s - write error ", __func__);
 583         return status;
 584 }
 585
 586 static int iuu_uart_flush(struct usb_serial_port *port)
 587 {
 588         int i;
 589         int status;
 590         u8 rxcmd = IUU_UART_RX;
 591         struct iuu_private *priv = usb_get_serial_port_data(port);
 592
 593         dbg("%s - enter", __func__);
 594
 595         if (iuu_led(port, 0xF000, 0, 0, 0xFF) < 0)
 596                 return -EIO;
 597
 598         for (i = 0; i < 2; i++) {
 599                 status = bulk_immediate(port, &rxcmd, 1);
 600                 if (status != IUU_OPERATION_OK) {
 601                         dbg("%s - uart_flush_write error", __func__);
 602                         return status;
 603                 }
 604
 605                 status = read_immediate(port, &priv->len, 1);
 606                 if (status != IUU_OPERATION_OK) {
 607                         dbg("%s - uart_flush_read error", __func__);
 608                         return status;
 609                 }
 610
 611                 if (priv->len > 0) {
 612                         dbg("%s - uart_flush datalen is : %i ", __func__,
 613                             priv->len);
 614                         status = read_immediate(port, priv->buf, priv->len);
 615                         if (status != IUU_OPERATION_OK) {
 616                                 dbg("%s - uart_flush_read error", __func__);
 617                                 return status;
 618                         }
 619                 }
 620         }
 621         dbg("%s - uart_flush_read OK!", __func__);
 622         iuu_led(port, 0, 0xF000, 0, 0xFF);
 623         return status;
 624 }
 625
 626 static void read_buf_callback(struct urb *urb)
 627 {
 628         struct usb_serial_port *port = urb->context;
 629         unsigned char *data = urb->transfer_buffer;
 630         struct tty_struct *tty;
 631         int status = urb->status;
 632
 633         dbg("%s - status = %d", __func__, status);
 634
 635         if (status) {
 636                 if (status == -EPROTO) {
 637                         /* reschedule needed */
 638                 }
 639                 return;
 640         }
 641
 642         dbg("%s - %i chars to write", __func__, urb->actual_length);
 643         tty = tty_port_tty_get(&port->port);
 644         if (data == NULL)
 645                 dbg("%s - data is NULL !!!", __func__);
 646         if (tty && urb->actual_length && data) {
 647                 tty_insert_flip_string(tty, data, urb->actual_length);
 648                 tty_flip_buffer_push(tty);
 649         }
 650         tty_kref_put(tty);
 651         iuu_led_activity_on(urb);
 652 }
 653
 654 static int iuu_bulk_write(struct usb_serial_port *port)
 655 {
 656         struct iuu_private *priv = usb_get_serial_port_data(port);
 657         unsigned long flags;
 658         int result;
 659         int i;
 660         int buf_len;
 661         char *buf_ptr = port->write_urb->transfer_buffer;
 662         dbg("%s - enter", __func__);
 663
 664         spin_lock_irqsave(&priv->lock, flags);
 665         *buf_ptr++ = IUU_UART_ESC;
 666         *buf_ptr++ = IUU_UART_TX;
 667         *buf_ptr++ = priv->writelen;
 668
 669         memcpy(buf_ptr, priv->writebuf, priv->writelen);
 670         buf_len = priv->writelen;
 671         priv->writelen = 0;
 672         spin_unlock_irqrestore(&priv->lock, flags);
 673         if (debug == 1) {
 674                 for (i = 0; i < buf_len; i++)
 675                         sprintf(priv->dbgbuf + i*2 ,
 676                                 "%02X", priv->writebuf[i]);
 677                 priv->dbgbuf[buf_len+i*2] = 0;
 678                 dbg("%s - writing %i chars : %s", __func__,
 679                     buf_len, priv->dbgbuf);
 680         }
 681         usb_fill_bulk_urb(port->write_urb, port->serial->dev,
 682                           usb_sndbulkpipe(port->serial->dev,
 683                                           port->bulk_out_endpointAddress),
 684                           port->write_urb->transfer_buffer, buf_len + 3,
 685                           iuu_rxcmd, port);
 686         result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 687         usb_serial_port_softint(port);
 688         return result;
 689 }
 690
 691 static int iuu_read_buf(struct usb_serial_port *port, int len)
 692 {
 693         int result;
 694         dbg("%s - enter", __func__);
 695
 696         usb_fill_bulk_urb(port->read_urb, port->serial->dev,
 697                           usb_rcvbulkpipe(port->serial->dev,
 698                                           port->bulk_in_endpointAddress),
 699                           port->read_urb->transfer_buffer, len,
 700                           read_buf_callback, port);
 701         result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 702         return result;
 703 }
 704
 705 static void iuu_uart_read_callback(struct urb *urb)
 706 {
 707         struct usb_serial_port *port = urb->context;
 708         struct iuu_private *priv = usb_get_serial_port_data(port);
 709         unsigned long flags;
 710         int status = urb->status;
 711         int error = 0;
 712         int len = 0;
 713         unsigned char *data = urb->transfer_buffer;
 714         priv->poll++;
 715
 716         dbg("%s - enter", __func__);
 717
 718         if (status) {
 719                 dbg("%s - status = %d", __func__, status);
 720                 /* error stop all */
 721                 return;
 722         }
 723         if (data == NULL)
 724                 dbg("%s - data is NULL !!!", __func__);
 725
 726         if (urb->actual_length == 1  && data != NULL)
 727                 len = (int) data[0];
 728
 729         if (urb->actual_length > 1) {
 730                 dbg("%s - urb->actual_length = %i", __func__,
 731                     urb->actual_length);
 732                 error = 1;
 733                 return;
 734         }
 735         /* if len > 0 call readbuf */
 736
 737         if (len > 0 && error == 0) {
 738                 dbg("%s - call read buf - len to read is %i ",
 739                         __func__, len);
 740                 status = iuu_read_buf(port, len);
 741                 return;
 742         }
 743         /* need to update status  ? */
 744         if (priv->poll > 99) {
 745                 status = iuu_status(port);
 746                 priv->poll = 0;
 747                 return;
 748         }
 749
 750         /* reset waiting ? */
 751
 752         if (priv->reset == 1) {
 753                 status = iuu_reset(port, 0xC);
 754                 return;
 755         }
 756         /* Writebuf is waiting */
 757         spin_lock_irqsave(&priv->lock, flags);
 758         if (priv->writelen > 0) {
 759                 spin_unlock_irqrestore(&priv->lock, flags);
 760                 status = iuu_bulk_write(port);
 761                 return;
 762         }
 763         spin_unlock_irqrestore(&priv->lock, flags);
 764         /* if nothing to write call again rxcmd */
 765         dbg("%s - rxcmd recall", __func__);
 766         iuu_led_activity_off(urb);
 767 }
 768
 769 static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port,
 770                           const u8 *buf, int count)
 771 {
 772         struct iuu_private *priv = usb_get_serial_port_data(port);
 773         unsigned long flags;
 774         dbg("%s - enter", __func__);
 775
 776         if (count > 256)
 777                 return -ENOMEM;
 778
 779         spin_lock_irqsave(&priv->lock, flags);
 780
 781         /* fill the buffer */
 782         memcpy(priv->writebuf + priv->writelen, buf, count);
 783         priv->writelen += count;
 784         spin_unlock_irqrestore(&priv->lock, flags);
 785
 786         return count;
 787 }
 788
 789 static void read_rxcmd_callback(struct urb *urb)
 790 {
 791         struct usb_serial_port *port = urb->context;
 792         int result;
 793         int status = urb->status;
 794
 795         dbg("%s - status = %d", __func__, status);
 796
 797         if (status) {
 798                 /* error stop all */
 799                 return;
 800         }
 801
 802         usb_fill_bulk_urb(port->read_urb, port->serial->dev,
 803                           usb_rcvbulkpipe(port->serial->dev,
 804                                           port->bulk_in_endpointAddress),
 805                           port->read_urb->transfer_buffer, 256,
 806                           iuu_uart_read_callback, port);
 807         result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 808         dbg("%s - submit result = %d", __func__, result);
 809 }
 810
 811 static int iuu_uart_on(struct usb_serial_port *port)
 812 {
 813         int status;
 814         u8 *buf;
 815
 816         buf = kmalloc(sizeof(u8) * 4, GFP_KERNEL);
 817
 818         if (!buf)
 819                 return -ENOMEM;
 820
 821         buf[0] = IUU_UART_ENABLE;
 822         buf[1] = (u8) ((IUU_BAUD_9600 >> 8) & 0x00FF);
 823         buf[2] = (u8) (0x00FF & IUU_BAUD_9600);
 824         buf[3] = (u8) (0x0F0 & IUU_ONE_STOP_BIT) | (0x07 & IUU_PARITY_EVEN);
 825
 826         status = bulk_immediate(port, buf, 4);
 827         if (status != IUU_OPERATION_OK) {
 828                 dbg("%s - uart_on error", __func__);
 829                 goto uart_enable_failed;
 830         }
 831         /*  iuu_reset() the card after iuu_uart_on() */
 832         status = iuu_uart_flush(port);
 833         if (status != IUU_OPERATION_OK)
 834                 dbg("%s - uart_flush error", __func__);
 835 uart_enable_failed:
 836         kfree(buf);
 837         return status;
 838 }
 839
 840 /*  Diables the IUU UART (a.k.a. the Phoenix voiderface) */
 841 static int iuu_uart_off(struct usb_serial_port *port)
 842 {
 843         int status;
 844         u8 *buf;
 845         buf = kmalloc(1, GFP_KERNEL);
 846         if (!buf)
 847                 return -ENOMEM;
 848         buf[0] = IUU_UART_DISABLE;
 849
 850         status = bulk_immediate(port, buf, 1);
 851         if (status != IUU_OPERATION_OK)
 852                 dbg("%s - uart_off error", __func__);
 853
 854         kfree(buf);
 855         return status;
 856 }
 857
 858 static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base,
 859                          u32 *actual, u8 parity)
 860 {
 861         int status;
 862         u32 baud;
 863         u8 *dataout;
 864         u8 DataCount = 0;
 865         u8 T1Frekvens = 0;
 866         u8 T1reload = 0;
 867         unsigned int T1FrekvensHZ = 0;
 868
 869         dbg("%s - enter baud_base=%d", __func__, baud_base);
 870         dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL);
 871
 872         if (!dataout)
 873                 return -ENOMEM;
 874         /*baud = (((priv->clk / 35) * baud_base) / 100000); */
 875         baud = baud_base;
 876
 877         if (baud < 1200 || baud > 230400) {
 878                 kfree(dataout);
 879                 return IUU_INVALID_PARAMETER;
 880         }
 881         if (baud > 977) {
 882                 T1Frekvens = 3;
 883                 T1FrekvensHZ = 500000;
 884         }
 885
 886         if (baud > 3906) {
 887                 T1Frekvens = 2;
 888                 T1FrekvensHZ = 2000000;
 889         }
 890
 891         if (baud > 11718) {
 892                 T1Frekvens = 1;
 893                 T1FrekvensHZ = 6000000;
 894         }
 895
 896         if (baud > 46875) {
 897                 T1Frekvens = 0;
 898                 T1FrekvensHZ = 24000000;
 899         }
 900
 901         T1reload = 256 - (u8) (T1FrekvensHZ / (baud * 2));
 902
 903         /*  magic number here:  ENTER_FIRMWARE_UPDATE; */
 904         dataout[DataCount++] = IUU_UART_ESC;
 905         /*  magic number here:  CHANGE_BAUD; */
 906         dataout[DataCount++] = IUU_UART_CHANGE;
 907         dataout[DataCount++] = T1Frekvens;
 908         dataout[DataCount++] = T1reload;
 909
 910         *actual = (T1FrekvensHZ / (256 - T1reload)) / 2;
 911
 912         switch (parity & 0x0F) {
 913         case IUU_PARITY_NONE:
 914                 dataout[DataCount++] = 0x00;
 915                 break;
 916         case IUU_PARITY_EVEN:
 917                 dataout[DataCount++] = 0x01;
 918                 break;
 919         case IUU_PARITY_ODD:
 920                 dataout[DataCount++] = 0x02;
 921                 break;
 922         case IUU_PARITY_MARK:
 923                 dataout[DataCount++] = 0x03;
 924                 break;
 925         case IUU_PARITY_SPACE:
 926                 dataout[DataCount++] = 0x04;
 927                 break;
 928         default:
 929                 kfree(dataout);
 930                 return IUU_INVALID_PARAMETER;
 931                 break;
 932         }
 933
 934         switch (parity & 0xF0) {
 935         case IUU_ONE_STOP_BIT:
 936                 dataout[DataCount - 1] |= IUU_ONE_STOP_BIT;
 937                 break;
 938
 939         case IUU_TWO_STOP_BITS:
 940                 dataout[DataCount - 1] |= IUU_TWO_STOP_BITS;
 941                 break;
 942         default:
 943                 kfree(dataout);
 944                 return IUU_INVALID_PARAMETER;
 945                 break;
 946         }
 947
 948         status = bulk_immediate(port, dataout, DataCount);
 949         if (status != IUU_OPERATION_OK)
 950                 dbg("%s - uart_off error", __func__);
 951         kfree(dataout);
 952         return status;
 953 }
 954
 955 static void iuu_set_termios(struct tty_struct *tty,
 956                 struct usb_serial_port *port, struct ktermios *old_termios)
 957 {
 958         const u32 supported_mask = CMSPAR|PARENB|PARODD;
 959         struct iuu_private *priv = usb_get_serial_port_data(port);
 960         unsigned int cflag = tty->termios->c_cflag;
 961         int status;
 962         u32 actual;
 963         u32 parity;
 964         int csize = CS7;
 965         int baud;
 966         u32 newval = cflag & supported_mask;
 967
 968         /* Just use the ospeed. ispeed should be the same. */
 969         baud = tty->termios->c_ospeed;
 970
 971         dbg("%s - enter c_ospeed or baud=%d", __func__, baud);
 972
 973         /* compute the parity parameter */
 974         parity = 0;
 975         if (cflag & CMSPAR) {   /* Using mark space */
 976                 if (cflag & PARODD)
 977                         parity |= IUU_PARITY_SPACE;
 978                 else
 979                         parity |= IUU_PARITY_MARK;
 980         } else if (!(cflag & PARENB)) {
 981                 parity |= IUU_PARITY_NONE;
 982                 csize = CS8;
 983         } else if (cflag & PARODD)
 984                 parity |= IUU_PARITY_ODD;
 985         else
 986                 parity |= IUU_PARITY_EVEN;
 987
 988         parity |= (cflag & CSTOPB ? IUU_TWO_STOP_BITS : IUU_ONE_STOP_BIT);
 989
 990         /* set it */
 991         status = iuu_uart_baud(port,
 992                         baud * priv->boost / 100,
 993                         &actual, parity);
 994
 995         /* set the termios value to the real one, so the user now what has
 996          * changed. We support few fields so its easies to copy the old hw
 997          * settings back over and then adjust them
 998          */
 999         if (old_termios)
1000                 tty_termios_copy_hw(tty->termios, old_termios);
1001         if (status != 0)        /* Set failed - return old bits */
1002                 return;
1003         /* Re-encode speed, parity and csize */
1004         tty_encode_baud_rate(tty, baud, baud);
1005         tty->termios->c_cflag &= ~(supported_mask|CSIZE);
1006         tty->termios->c_cflag |= newval | csize;
1007 }
1008
1009 static void iuu_close(struct usb_serial_port *port)
1010 {
1011         /* iuu_led (port,255,0,0,0); */
1012         struct usb_serial *serial;
1013
1014         serial = port->serial;
1015         if (!serial)
1016                 return;
1017
1018         dbg("%s - port %d", __func__, port->number);
1019
1020         iuu_uart_off(port);
1021         if (serial->dev) {
1022                 /* free writebuf */
1023                 /* shutdown our urbs */
1024                 dbg("%s - shutting down urbs", __func__);
1025                 usb_kill_urb(port->write_urb);
1026                 usb_kill_urb(port->read_urb);
1027                 usb_kill_urb(port->interrupt_in_urb);
1028                 iuu_led(port, 0, 0, 0xF000, 0xFF);
1029         }
1030 }
1031
1032 static void iuu_init_termios(struct tty_struct *tty)
1033 {
1034         dbg("%s - enter", __func__);
1035         *(tty->termios) = tty_std_termios;
1036         tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600
1037                                 | TIOCM_CTS | CSTOPB | PARENB;
1038         tty->termios->c_ispeed = 9600;
1039         tty->termios->c_ospeed = 9600;
1040         tty->termios->c_lflag = 0;
1041         tty->termios->c_oflag = 0;
1042         tty->termios->c_iflag = 0;
1043 }
1044
1045 static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
1046 {
1047         struct usb_serial *serial = port->serial;
1048         u8 *buf;
1049         int result;
1050         int baud;
1051         u32 actual;
1052         struct iuu_private *priv = usb_get_serial_port_data(port);
1053
1054         baud = tty->termios->c_ospeed;
1055         tty->termios->c_ispeed = baud;
1056         /* Re-encode speed */
1057         tty_encode_baud_rate(tty, baud, baud);
1058
1059         dbg("%s -  port %d, baud %d", __func__, port->number, baud);
1060         usb_clear_halt(serial->dev, port->write_urb->pipe);
1061         usb_clear_halt(serial->dev, port->read_urb->pipe);
1062
1063         buf = kmalloc(10, GFP_KERNEL);
1064         if (buf == NULL)
1065                 return -ENOMEM;
1066
1067         priv->poll = 0;
1068
1069         /* initialize writebuf */
1070 #define FISH(a, b, c, d) do { \
1071         result = usb_control_msg(port->serial->dev,     \
1072                                 usb_rcvctrlpipe(port->serial->dev, 0),  \
1073                                 b, a, c, d, buf, 1, 1000); \
1074         dbg("0x%x:0x%x:0x%x:0x%x  %d - %x", a, b, c, d, result, \
1075                                 buf[0]); } while (0);
1076
1077 #define SOUP(a, b, c, d)  do { \
1078         result = usb_control_msg(port->serial->dev,     \
1079                                 usb_sndctrlpipe(port->serial->dev, 0),  \
1080                                 b, a, c, d, NULL, 0, 1000); \
1081         dbg("0x%x:0x%x:0x%x:0x%x  %d", a, b, c, d, result); } while (0)
1082
1083         /*  This is not UART related but IUU USB driver related or something */
1084         /*  like that. Basically no IUU will accept any commands from the USB */
1085         /*  host unless it has received the following message */
1086         /* sprintf(buf ,"%c%c%c%c",0x03,0x02,0x02,0x0); */
1087
1088         SOUP(0x03, 0x02, 0x02, 0x0);
1089         kfree(buf);
1090         iuu_led(port, 0xF000, 0xF000, 0, 0xFF);
1091         iuu_uart_on(port);
1092         if (boost < 100)
1093                 boost = 100;
1094         priv->boost = boost;
1095         priv->baud = baud;
1096         switch (clockmode) {
1097         case 2:         /*  3.680 Mhz */
1098                 priv->clk = IUU_CLK_3680000;
1099                 iuu_clk(port, IUU_CLK_3680000 * boost / 100);
1100                 result =
1101                     iuu_uart_baud(port, baud * boost / 100, &actual,
1102                                   IUU_PARITY_EVEN);
1103                 break;
1104         case 3:         /*  6.00 Mhz */
1105                 iuu_clk(port, IUU_CLK_6000000 * boost / 100);
1106                 priv->clk = IUU_CLK_6000000;
1107                 /* Ratio of 6000000 to 3500000 for baud 9600 */
1108                 result =
1109                     iuu_uart_baud(port, 16457 * boost / 100, &actual,
1110                                   IUU_PARITY_EVEN);
1111                 break;
1112         default:                /*  3.579 Mhz */
1113                 iuu_clk(port, IUU_CLK_3579000 * boost / 100);
1114                 priv->clk = IUU_CLK_3579000;
1115                 result =
1116                     iuu_uart_baud(port, baud * boost / 100, &actual,
1117                                   IUU_PARITY_EVEN);
1118         }
1119
1120         /* set the cardin cardout signals */
1121         switch (cdmode) {
1122         case 0:
1123                 iuu_cardin = 0;
1124                 iuu_cardout = 0;
1125                 break;
1126         case 1:
1127                 iuu_cardin = TIOCM_CD;
1128                 iuu_cardout =  0;
1129                 break;
1130         case 2:
1131                 iuu_cardin = 0;
1132                 iuu_cardout = TIOCM_CD;
1133                 break;
1134         case 3:
1135                 iuu_cardin = TIOCM_DSR;
1136                 iuu_cardout = 0;
1137                 break;
1138         case 4:
1139                 iuu_cardin = 0;
1140                 iuu_cardout = TIOCM_DSR;
1141                 break;
1142         case 5:
1143                 iuu_cardin = TIOCM_CTS;
1144                 iuu_cardout = 0;
1145                 break;
1146         case 6:
1147                 iuu_cardin = 0;
1148                 iuu_cardout = TIOCM_CTS;
1149                 break;
1150         case 7:
1151                 iuu_cardin = TIOCM_RNG;
1152                 iuu_cardout = 0;
1153                 break;
1154         case 8:
1155                 iuu_cardin = 0;
1156                 iuu_cardout = TIOCM_RNG;
1157         }
1158
1159         iuu_uart_flush(port);
1160
1161         dbg("%s - initialization done", __func__);
1162
1163         memset(port->write_urb->transfer_buffer, IUU_UART_RX, 1);
1164         usb_fill_bulk_urb(port->write_urb, port->serial->dev,
1165                           usb_sndbulkpipe(port->serial->dev,
1166                                           port->bulk_out_endpointAddress),
1167                           port->write_urb->transfer_buffer, 1,
1168                           read_rxcmd_callback, port);
1169         result = usb_submit_urb(port->write_urb, GFP_KERNEL);
1170         if (result) {
1171                 dev_err(&port->dev, "%s - failed submitting read urb,"
1172                         " error %d\n", __func__, result);
1173                 iuu_close(port);
1174         } else {
1175                 dbg("%s - rxcmd OK", __func__);
1176         }
1177
1178         return result;
1179 }
1180
1181 /* how to change VCC */
1182 static int iuu_vcc_set(struct usb_serial_port *port, unsigned int vcc)
1183 {
1184         int status;
1185         u8 *buf;
1186
1187         buf = kmalloc(5, GFP_KERNEL);
1188         if (!buf)
1189                 return -ENOMEM;
1190
1191         dbg("%s - enter", __func__);
1192
1193         buf[0] = IUU_SET_VCC;
1194         buf[1] = vcc & 0xFF;
1195         buf[2] = (vcc >> 8) & 0xFF;
1196         buf[3] = (vcc >> 16) & 0xFF;
1197         buf[4] = (vcc >> 24) & 0xFF;
1198
1199         status = bulk_immediate(port, buf, 5);
1200         kfree(buf);
1201
1202         if (status != IUU_OPERATION_OK)
1203                 dbg("%s - vcc error status = %2x", __func__, status);
1204         else
1205                 dbg("%s - vcc OK !", __func__);
1206
1207         return status;
1208 }
1209
1210 /*
1211  * Sysfs Attributes
1212  */
1213
1214 static ssize_t show_vcc_mode(struct device *dev,
1215         struct device_attribute *attr, char *buf)
1216 {
1217         struct usb_serial_port *port = to_usb_serial_port(dev);
1218         struct iuu_private *priv = usb_get_serial_port_data(port);
1219
1220         return sprintf(buf, "%d\n", priv->vcc);
1221 }
1222
1223 static ssize_t store_vcc_mode(struct device *dev,
1224         struct device_attribute *attr, const char *buf, size_t count)
1225 {
1226         struct usb_serial_port *port = to_usb_serial_port(dev);
1227         struct iuu_private *priv = usb_get_serial_port_data(port);
1228         unsigned long v;
1229
1230         if (strict_strtoul(buf, 10, &v)) {
1231                 dev_err(dev, "%s - vcc_mode: %s is not a unsigned long\n",
1232                                 __func__, buf);
1233                 goto fail_store_vcc_mode;
1234         }
1235
1236         dbg("%s: setting vcc_mode = %ld", __func__, v);
1237
1238         if ((v != 3) && (v != 5)) {
1239                 dev_err(dev, "%s - vcc_mode %ld is invalid\n", __func__, v);
1240         } else {
1241                 iuu_vcc_set(port, v);
1242                 priv->vcc = v;
1243         }
1244 fail_store_vcc_mode:
1245         return count;
1246 }
1247
1248 static DEVICE_ATTR(vcc_mode, S_IRUSR | S_IWUSR, show_vcc_mode,
1249         store_vcc_mode);
1250
1251 static int iuu_create_sysfs_attrs(struct usb_serial_port *port)
1252 {
1253         dbg("%s", __func__);
1254
1255         return device_create_file(&port->dev, &dev_attr_vcc_mode);
1256 }
1257
1258 static int iuu_remove_sysfs_attrs(struct usb_serial_port *port)
1259 {
1260         dbg("%s", __func__);
1261
1262         device_remove_file(&port->dev, &dev_attr_vcc_mode);
1263         return 0;
1264 }
1265
1266 /*
1267  * End Sysfs Attributes
1268  */
1269
1270 static struct usb_serial_driver iuu_device = {
1271         .driver = {
1272                    .owner = THIS_MODULE,
1273                    .name = "iuu_phoenix",
1274                    },
1275         .id_table = id_table,
1276         .num_ports = 1,
1277         .bulk_in_size = 512,
1278         .bulk_out_size = 512,
1279         .port_probe = iuu_create_sysfs_attrs,
1280         .port_remove = iuu_remove_sysfs_attrs,
1281         .open = iuu_open,
1282         .close = iuu_close,
1283         .write = iuu_uart_write,
1284         .read_bulk_callback = iuu_uart_read_callback,
1285         .tiocmget = iuu_tiocmget,
1286         .tiocmset = iuu_tiocmset,
1287         .set_termios = iuu_set_termios,
1288         .init_termios = iuu_init_termios,
1289         .attach = iuu_startup,
1290         .release = iuu_release,
1291 };
1292
1293 static struct usb_serial_driver * const serial_drivers[] = {
1294         &iuu_device, NULL
1295 };
1296
1297 module_usb_serial_driver(iuu_driver, serial_drivers);
1298
1299 MODULE_AUTHOR("Alain Degreffe eczema@ecze.com");
1300
1301 MODULE_DESCRIPTION(DRIVER_DESC);
1302 MODULE_LICENSE("GPL");
1303
1304 MODULE_VERSION(DRIVER_VERSION);
1305 module_param(debug, bool, S_IRUGO | S_IWUSR);
1306 MODULE_PARM_DESC(debug, "Debug enabled or not");
1307
1308 module_param(xmas, bool, S_IRUGO | S_IWUSR);
1309 MODULE_PARM_DESC(xmas, "Xmas colors enabled or not");
1310
1311 module_param(boost, int, S_IRUGO | S_IWUSR);
1312 MODULE_PARM_DESC(boost, "Card overclock boost (in percent 100-500)");
1313
1314 module_param(clockmode, int, S_IRUGO | S_IWUSR);
1315 MODULE_PARM_DESC(clockmode, "Card clock mode (1=3.579 MHz, 2=3.680 MHz, "
1316                 "3=6 Mhz)");
1317
1318 module_param(cdmode, int, S_IRUGO | S_IWUSR);
1319 MODULE_PARM_DESC(cdmode, "Card detect mode (0=none, 1=CD, 2=!CD, 3=DSR, "
1320                  "4=!DSR, 5=CTS, 6=!CTS, 7=RING, 8=!RING)");
1321
1322 module_param(vcc_default, int, S_IRUGO | S_IWUSR);
1323 MODULE_PARM_DESC(vcc_default, "Set default VCC (either 3 for 3.3V or 5 "
1324                 "for 5V). Default to 5.");