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