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