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