cvs.zerfleddert.de Git - usb-driver/blob - usb-driver.c

   1 /* libusb/ppdev connector for XILINX impact
   2  *
   3  * Copyright (c) 2007 Michael Gernoth <michael@gernoth.net>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to
   7  * deal in the Software without restriction, including without limitation the
   8  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   9  * sell copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #define _GNU_SOURCE 1
  25
  26 #include <dlfcn.h>
  27 #include <stdarg.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <unistd.h>
  31 #include <fcntl.h>
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <sys/time.h>
  35 #include <stdio.h>
  36 #include <usb.h>
  37 #include <signal.h>
  38 #include <pthread.h>
  39 #include <errno.h>
  40 #include <inttypes.h>
  41 #include <sys/ioctl.h>
  42 #include <sys/utsname.h>
  43 #include <bits/wordsize.h>
  44 #include "usb-driver.h"
  45 #include "config.h"
  46 #include "xpcu.h"
  47
  48 static int (*ioctl_func) (int, int, void *) = NULL;
  49 static int windrvrfd = -1;
  50 static unsigned long ppbase = 0;
  51 static unsigned long ecpbase = 0;
  52 static struct parport_config *pport = NULL;
  53 static struct xpcu_s *xpcu = NULL;
  54 static FILE *modulesfp = NULL;
  55 static FILE *baseaddrfp = NULL;
  56 static int baseaddrnum = 0;
  57 static int modules_read = 0;
  58 static unsigned long card_type;
  59 static int ints_enabled = 0;
  60 static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER;
  61
  62 #define NO_WINDRVR 1
  63
  64 void hexdump(unsigned char *buf, int len) {
  65         int i;
  66
  67         for(i=0; i<len; i++) {
  68                 fprintf(stderr,"%02x ", buf[i]);
  69                 if ((i % 16) == 15)
  70                         fprintf(stderr,"\n");
  71         }
  72         fprintf(stderr,"\n");
  73 }
  74
  75
  76 static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
  77         struct header_struct* wdheader = (struct header_struct*)wdioctl;
  78         struct version_struct *version;
  79         int ret = 0;
  80
  81         if (wdheader->magic != MAGIC) {
  82                 fprintf(stderr,"!!!ERROR: magic header does not match!!!\n");
  83                 return (*ioctl_func) (fd, request, wdioctl);
  84         }
  85
  86         switch(request & ~(0xc0000000)) {
  87                 case VERSION:
  88                         version = (struct version_struct*)(wdheader->data);
  89                         strcpy(version->version, "libusb-driver.so version: " USB_DRIVER_VERSION);
  90                         version->versionul = 802;
  91                         DPRINTF("VERSION\n");
  92                         break;
  93
  94                 case LICENSE:
  95                         DPRINTF("LICENSE\n");
  96                         break;
  97
  98                 case CARD_REGISTER_OLD:
  99                 case CARD_REGISTER:
 100                         DPRINTF("CARD_REGISTER\n");
 101                         {
 102                                 struct card_register* cr = (struct card_register*)(wdheader->data);
 103
 104                                 DPRINTF("Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\n",
 105                                 cr->Card.dwItems,
 106                                 (unsigned long)cr->Card.Item[0].I.IO.dwAddr,
 107                                 cr->Card.Item[0].I.IO.dwBytes,
 108                                 cr->Card.Item[0].I.IO.dwBar);
 109
 110                                 DPRINTF("Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\n",
 111                                 cr->Card.dwItems,
 112                                 (unsigned long)cr->Card.Item[1].I.IO.dwAddr,
 113                                 cr->Card.Item[1].I.IO.dwBytes,
 114                                 cr->Card.Item[1].I.IO.dwBar);
 115 #ifndef NO_WINDRVR
 116                                 ret = (*ioctl_func) (fd, request, wdioctl);
 117 #else
 118
 119                                 pport = config_get((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
 120                                 if (!pport)
 121                                         break;
 122
 123                                 ret = pport->open((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
 124
 125                                 ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
 126
 127                                 if (cr->Card.dwItems > 1 && cr->Card.Item[1].I.IO.dwAddr)
 128                                         ecpbase = (unsigned long)cr->Card.Item[1].I.IO.dwAddr;
 129
 130                                 if (ret >= 0) {
 131                                         cr->hCard = ret;
 132                                 } else {
 133                                         cr->hCard = 0;
 134                                 }
 135 #endif
 136                                 DPRINTF("hCard: %lu\n", cr->hCard);
 137                         }
 138                         break;
 139
 140                 case USB_TRANSFER:
 141                         DPRINTF("in USB_TRANSFER");
 142                         {
 143                                 struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data);
 144
 145 #ifdef DEBUG
 146                                 DPRINTF(" unique: %lu, pipe: %lu, read: %lu, options: %lx, size: %lu, timeout: %lx\n",
 147                                 ut->dwUniqueID, ut->dwPipeNum, ut->fRead,
 148                                 ut->dwOptions, ut->dwBufferSize, ut->dwTimeout);
 149                                 if (ut->dwPipeNum == 0) {
 150                                         DPRINTF("setup packet: ");
 151                                         hexdump(ut->SetupPacket, 8);
 152                                 }
 153
 154                                 if (!ut->fRead && ut->dwBufferSize)
 155                                 {
 156                                         hexdump(ut->pBuffer, ut->dwBufferSize);
 157                                 }
 158 #endif
 159
 160 #ifndef NO_WINDRVR
 161                                 ret = (*ioctl_func) (fd, request, wdioctl);
 162 #else
 163                                 xpcu_transfer(xpcu, ut);
 164 #endif
 165
 166 #ifdef DEBUG
 167                                 DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write"));
 168                                 if (ut->fRead && ut->dwBytesTransferred)
 169                                 {
 170                                         DPRINTF("Read: ");
 171                                         hexdump(ut->pBuffer, ut->dwBytesTransferred);
 172                                 }
 173 #endif
 174                         }
 175                         break;
 176
 177                 case INT_ENABLE_OLD:
 178                 case INT_ENABLE:
 179                         DPRINTF("INT_ENABLE\n");
 180                         {
 181                                 struct interrupt *it = (struct interrupt*)(wdheader->data);
 182
 183                                 DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 184                                 it->hInterrupt, it->dwOptions,
 185                                 it->dwCmds, it->fEnableOk, it->dwCounter,
 186                                 it->dwLost, it->fStopped);
 187
 188                                 it->fEnableOk = 1;
 189                                 it->fStopped = 0;
 190                                 ints_enabled = 1;
 191                                 pthread_mutex_trylock(&int_wait);
 192                         }
 193
 194                         break;
 195
 196                 case INT_DISABLE:
 197                         DPRINTF("INT_DISABLE\n");
 198                         {
 199                                 struct interrupt *it = (struct interrupt*)(wdheader->data);
 200
 201                                 DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 202                                 it->hInterrupt, it->dwOptions,
 203                                 it->dwCmds, it->fEnableOk, it->dwCounter,
 204                                 it->dwLost, it->fStopped);
 205 #ifndef NO_WINDRVR
 206                                 ret = (*ioctl_func) (fd, request, wdioctl);
 207 #else
 208                                 it->dwCounter = 0;
 209                                 it->fStopped = 1;
 210                                 ints_enabled = 0;
 211                                 if (pthread_mutex_trylock(&int_wait) == EBUSY)
 212                                         pthread_mutex_unlock(&int_wait);
 213 #endif
 214                                 DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 215                                 it->hInterrupt, it->dwOptions,
 216                                 it->dwCmds, it->fEnableOk, it->dwCounter,
 217                                 it->dwLost, it->fStopped);
 218                         }
 219                         break;
 220
 221                 case USB_SET_INTERFACE:
 222                         DPRINTF("USB_SET_INTERFACE\n");
 223                         {
 224                                 struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data);
 225
 226                                 DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
 227                                 usi->dwUniqueID, usi->dwInterfaceNum,
 228                                 usi->dwAlternateSetting, usi->dwOptions);
 229 #ifndef NO_WINDRVR
 230                                 ret = (*ioctl_func) (fd, request, wdioctl);
 231 #else
 232                                 if (xpcu->dev) {
 233                                         if (!xpcu->handle) {
 234                                                 xpcu->handle = usb_open(xpcu->dev);
 235 #ifndef NO_USB_RESET
 236                                                 if (xpcu->handle) {
 237                                                         usb_reset(xpcu->handle);
 238                                                         xpcu->handle = usb_open(xpcu->dev);
 239                                                 }
 240 #endif
 241                                         }
 242
 243                                         xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
 244                                         xpcu->alternate = usi->dwAlternateSetting;
 245                                 }
 246 #endif
 247                                 DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
 248                                 usi->dwUniqueID, usi->dwInterfaceNum,
 249                                 usi->dwAlternateSetting, usi->dwOptions);
 250                         }
 251                         break;
 252
 253                 case USB_GET_DEVICE_DATA_OLD:
 254                 case USB_GET_DEVICE_DATA:
 255                         DPRINTF("USB_GET_DEVICE_DATA\n");
 256                         {
 257                                 struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data);
 258                                 int pSize;
 259
 260                                 DPRINTF("unique: %lu, bytes: %lu, options: %lx\n",
 261                                 ugdd->dwUniqueID, ugdd->dwBytes,
 262                                 ugdd->dwOptions);
 263
 264                                 pSize = ugdd->dwBytes;
 265                                 if (!ugdd->dwBytes) {
 266                                         if (xpcu->dev) {
 267                                                 ugdd->dwBytes = xpcu_deviceinfo(xpcu, NULL);
 268                                         }
 269                                 } else {
 270                                         xpcu_deviceinfo(xpcu, (unsigned char*)ugdd->pBuf);
 271                                 }
 272                         }
 273                         break;
 274
 275                 case EVENT_REGISTER_OLD:
 276                 case EVENT_REGISTER:
 277                         DPRINTF("EVENT_REGISTER\n");
 278                         {
 279                                 struct event *e = (struct event*)(wdheader->data);
 280                                 struct usb_bus *bus;
 281                                 char* devpos;
 282                                 int busnum = -1, devnum = -1;
 283                                 int i;
 284
 285                                 DPRINTF("handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n",
 286                                 e->handle, e->dwAction,
 287                                 e->dwStatus, e->dwEventId, e->dwCardType,
 288                                 e->hKernelPlugIn, e->dwOptions,
 289                                 e->u.Usb.deviceId.dwVendorId,
 290                                 e->u.Usb.deviceId.dwProductId,
 291                                 e->u.Usb.dwUniqueID, e->dwEventVer,
 292                                 e->dwNumMatchTables);
 293
 294                                 devpos = getenv("XILINX_USB_DEV");
 295                                 if (devpos != NULL) {
 296                                         int j;
 297                                         char *devstr = NULL, *remainder;
 298
 299                                         DPRINTF("XILINX_USB_DEV=%s\n", devpos);
 300
 301                                         for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) {
 302                                                 if (devpos[j] == ':') {
 303                                                         devpos[j] = 0;
 304                                                         devstr = &(devpos[j+1]);
 305                                                 }
 306                                         }
 307
 308                                         if (devstr && strlen(devstr) > 0) {
 309                                                 busnum = strtol(devpos, &remainder, 10);
 310                                                 if (devpos == remainder) {
 311                                                         busnum = -1;
 312                                                 } else {
 313                                                         devnum = strtol(devstr, &remainder, 10);
 314                                                         if (devstr == remainder) {
 315                                                                 busnum = -1;
 316                                                                 devnum = -1;
 317                                                         } else {
 318                                                                 fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n",
 319                                                                 busnum, devnum);
 320                                                         }
 321                                                 }
 322                                         }
 323                                 }
 324
 325                                 for (i = 0; i < e->dwNumMatchTables; i++) {
 326
 327                                         DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
 328                                         e->matchTables[i].VendorId,
 329                                         e->matchTables[i].ProductId,
 330                                         e->matchTables[i].bDeviceClass,
 331                                         e->matchTables[i].bDeviceSubClass,
 332                                         e->matchTables[i].bInterfaceClass,
 333                                         e->matchTables[i].bInterfaceSubClass,
 334                                         e->matchTables[i].bInterfaceProtocol);
 335
 336                                         for (bus = xpcu->busses; bus; bus = bus->next) {
 337                                                 struct usb_device *dev;
 338
 339                                                 if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
 340                                                         continue;
 341
 342                                                 for (dev = bus->devices; dev; dev = dev->next) {
 343                                                         struct usb_device_descriptor *desc = &(dev->descriptor);
 344
 345                                                         if((desc->idVendor == e->matchTables[i].VendorId) &&
 346                                                            (desc->idProduct == e->matchTables[i].ProductId) &&
 347                                                            (desc->bDeviceClass == e->matchTables[i].bDeviceClass) &&
 348                                                            (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) &&
 349                                                            ((devnum == -1) || (strtol(dev->filename, NULL, 10) == devnum)) ) {
 350                                                                    int ac;
 351                                                                    for (ac = 0; ac < desc->bNumConfigurations; ac++) {
 352                                                                            struct usb_interface *interface = dev->config[ac].interface;
 353                                                                            int ai;
 354
 355                                                                            for (ai = 0; ai < interface->num_altsetting; ai++) {
 356
 357                                                                                    DPRINTF("intclass: %x, intsubclass: %x, intproto: %x\n",
 358                                                                                    interface->altsetting[i].bInterfaceClass,
 359                                                                                    interface->altsetting[i].bInterfaceSubClass,
 360                                                                                    interface->altsetting[i].bInterfaceProtocol);
 361
 362                                                                                    if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) &&
 363                                                                                                    (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
 364                                                                                            /* TODO: check interfaceClass! */
 365                                                                                            DPRINTF("found device with libusb\n");
 366                                                                                            xpcu->dev = dev;
 367                                                                                            card_type = e->dwCardType;
 368                                                                                    }
 369                                                                            }
 370                                                                    }
 371                                                         }
 372                                                 }
 373                                         }
 374                                 }
 375
 376 #ifndef NO_WINDRVR
 377                                 ret = (*ioctl_func) (fd, request, wdioctl);
 378 #else
 379                                 e->handle++;
 380 #endif
 381
 382 #ifdef DEBUG
 383                                 DPRINTF("handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n",
 384                                 e->handle, e->dwAction,
 385                                 e->dwStatus, e->dwEventId, e->dwCardType,
 386                                 e->hKernelPlugIn, e->dwOptions,
 387                                 e->u.Usb.deviceId.dwVendorId,
 388                                 e->u.Usb.deviceId.dwProductId,
 389                                 e->u.Usb.dwUniqueID, e->dwEventVer,
 390                                 e->dwNumMatchTables);
 391
 392                                 for (i = 0; i < e->dwNumMatchTables; i++)
 393                                         DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
 394                                         e->matchTables[i].VendorId,
 395                                         e->matchTables[i].ProductId,
 396                                         e->matchTables[i].bDeviceClass,
 397                                         e->matchTables[i].bDeviceSubClass,
 398                                         e->matchTables[i].bInterfaceClass,
 399                                         e->matchTables[i].bInterfaceSubClass,
 400                                         e->matchTables[i].bInterfaceProtocol);
 401 #endif
 402                         }
 403                         break;
 404
 405                 case TRANSFER_OLD:
 406                 case TRANSFER:
 407                         DPRINTF("TRANSFER\n");
 408                         {
 409                                 WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
 410
 411 #ifndef NO_WINDRVR
 412                                 ret = (*ioctl_func) (fd, request, wdioctl);
 413 #else
 414                                 ret = pport->transfer(tr, fd, request, ppbase, ecpbase, 1);
 415 #endif
 416                         }
 417                         break;
 418
 419                 case MULTI_TRANSFER_OLD:
 420                 case MULTI_TRANSFER:
 421                         DPRINTF("MULTI_TRANSFER\n");
 422                         {
 423                                 WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
 424                                 unsigned long num = wdheader->size/sizeof(WD_TRANSFER);
 425 #ifndef NO_WINDRVR
 426                                 ret = (*ioctl_func) (fd, request, wdioctl);
 427 #else
 428                                 ret = pport->transfer(tr, fd, request, ppbase, ecpbase, num);
 429 #endif
 430                         }
 431                         break;
 432
 433                 case EVENT_UNREGISTER:
 434                         DPRINTF("EVENT_UNREGISTER\n");
 435 #ifndef NO_WINDRVR
 436                         ret = (*ioctl_func) (fd, request, wdioctl);
 437 #endif
 438                         break;
 439
 440                 case INT_WAIT:
 441                         DPRINTF("INT_WAIT\n");
 442                         {
 443                                 struct interrupt *it = (struct interrupt*)(wdheader->data);
 444
 445                                 DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 446                                 it->hInterrupt, it->dwOptions,
 447                                 it->dwCmds, it->fEnableOk, it->dwCounter,
 448                                 it->dwLost, it->fStopped);
 449
 450 #ifndef NO_WINDRVR
 451                                 ret = (*ioctl_func) (fd, request, wdioctl);
 452 #else
 453                                 if (xpcu->dev) {
 454                                         if (it->dwCounter == 0) {
 455                                                 it->dwCounter = 1;
 456                                         } else {
 457                                                 pthread_mutex_lock(&int_wait);
 458                                                 pthread_mutex_unlock(&int_wait);
 459                                         }
 460                                 } else {
 461                                         pthread_mutex_lock(&int_wait);
 462                                         pthread_mutex_unlock(&int_wait);
 463                                 }
 464 #endif
 465
 466                                 DPRINTF("INT_WAIT_RETURN: Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 467                                 it->hInterrupt, it->dwOptions, it->dwCmds,
 468                                 it->fEnableOk, it->dwCounter, it->dwLost,
 469                                 it->fStopped);
 470                         }
 471                         break;
 472
 473                 case CARD_UNREGISTER:
 474                         DPRINTF("CARD_UNREGISTER\n");
 475                         {
 476                                 struct card_register* cr = (struct card_register*)(wdheader->data);
 477
 478                                 DPRINTF("Addr: 0x%lx, bytes: %lu, bar: %lu\n",
 479                                 (unsigned long)cr->Card.Item[0].I.IO.dwAddr,
 480                                 cr->Card.Item[0].I.IO.dwBytes,
 481                                 cr->Card.Item[0].I.IO.dwBar);
 482
 483                                 DPRINTF("hCard: %lu\n", cr->hCard);
 484
 485 #ifndef NO_WINDRVR
 486                                 ret = (*ioctl_func) (fd, request, wdioctl);
 487 #else
 488                                 if (pport)
 489                                         pport->close(cr->hCard);
 490
 491                                 pport = NULL;
 492 #endif
 493                         }
 494                         break;
 495
 496                 case EVENT_PULL:
 497                         DPRINTF("EVENT_PULL\n");
 498                         {
 499                                 struct event *e = (struct event*)(wdheader->data);
 500 #ifdef DEBUG
 501                                 int i;
 502
 503                                 DPRINTF("handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lx, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n",
 504                                 e->handle, e->dwAction, e->dwStatus,
 505                                 e->dwEventId, e->dwCardType, e->hKernelPlugIn,
 506                                 e->dwOptions, e->u.Usb.deviceId.dwVendorId,
 507                                 e->u.Usb.deviceId.dwProductId,
 508                                 e->u.Usb.dwUniqueID, e->dwEventVer,
 509                                 e->dwNumMatchTables);
 510
 511                                 for (i = 0; i < e->dwNumMatchTables; i++)
 512                                         DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
 513                                         e->matchTables[i].VendorId,
 514                                         e->matchTables[i].ProductId,
 515                                         e->matchTables[i].bDeviceClass,
 516                                         e->matchTables[i].bDeviceSubClass,
 517                                         e->matchTables[i].bInterfaceClass,
 518                                         e->matchTables[i].bInterfaceSubClass,
 519                                         e->matchTables[i].bInterfaceProtocol);
 520 #endif
 521
 522 #ifndef NO_WINDRVR
 523                                 ret = (*ioctl_func) (fd, request, wdioctl);
 524 #else
 525                                 if (xpcu->dev) {
 526                                         struct usb_interface *interface = xpcu->dev->config->interface;
 527
 528                                         e->dwCardType = card_type;
 529                                         e->dwAction = 1;
 530                                         e->dwEventId = 109;
 531                                         e->u.Usb.dwUniqueID = 110;
 532                                         e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
 533                                         e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
 534                                         e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
 535                                         e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
 536                                         e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass;
 537                                         e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
 538                                         e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
 539                                 }
 540 #endif
 541
 542 #ifdef DEBUG
 543                                 DPRINTF("handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lx, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n",
 544                                 e->handle, e->dwAction, e->dwStatus,
 545                                 e->dwEventId, e->dwCardType, e->hKernelPlugIn,
 546                                 e->dwOptions, e->u.Usb.deviceId.dwVendorId,
 547                                 e->u.Usb.deviceId.dwProductId,
 548                                 e->u.Usb.dwUniqueID, e->dwEventVer,
 549                                 e->dwNumMatchTables);
 550
 551                                 for (i = 0; i < e->dwNumMatchTables; i++)
 552                                         DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
 553                                         e->matchTables[i].VendorId,
 554                                         e->matchTables[i].ProductId,
 555                                         e->matchTables[i].bDeviceClass,
 556                                         e->matchTables[i].bDeviceSubClass,
 557                                         e->matchTables[i].bInterfaceClass,
 558                                         e->matchTables[i].bInterfaceSubClass,
 559                                         e->matchTables[i].bInterfaceProtocol);
 560 #endif
 561
 562                         }
 563                         break;
 564
 565                 default:
 566                         fprintf(stderr,"!!!Unsupported IOCTL: %x!!!\n", request);
 567 #ifndef NO_WINDRVR
 568                         ret = (*ioctl_func) (fd, request, wdioctl);
 569 #endif
 570                         break;
 571         }
 572
 573         return ret;
 574 }
 575
 576 int ioctl(int fd, unsigned long int request, ...) {
 577         va_list args;
 578         void *argp;
 579         int ret;
 580
 581         if (!ioctl_func)
 582                 ioctl_func = (int (*) (int, int, void *)) dlsym (RTLD_NEXT, "ioctl");
 583
 584         va_start (args, request);
 585         argp = va_arg (args, void *);
 586         va_end (args);
 587
 588         if (fd == windrvrfd)
 589                 ret = do_wdioctl(fd, request, argp);
 590         else
 591                 ret = (*ioctl_func) (fd, request, argp);
 592
 593         return ret;
 594 }
 595
 596 int open (const char *pathname, int flags, ...) {
 597         static int (*func) (const char *, int, mode_t) = NULL;
 598         mode_t mode = 0;
 599         va_list args;
 600         int fd;
 601
 602         if (!func)
 603                 func = (int (*) (const char *, int, mode_t)) dlsym (RTLD_NEXT, "open");
 604
 605         if (flags & O_CREAT) {
 606                 va_start(args, flags);
 607                 mode = va_arg(args, mode_t);
 608                 va_end(args);
 609         }
 610
 611         if (!strcmp (pathname, "/dev/windrvr6")) {
 612                 DPRINTF("opening windrvr6\n");
 613 #ifdef NO_WINDRVR
 614                 windrvrfd = fd = (*func) ("/dev/null", flags, mode);
 615 #else
 616                 windrvrfd = fd = (*func) (pathname, flags, mode);
 617 #endif
 618                 if (!xpcu)
 619                         xpcu = xpcu_open();
 620
 621                 return fd;
 622         }
 623
 624         return (*func) (pathname, flags, mode);
 625 }
 626
 627 int close(int fd) {
 628         static int (*func) (int) = NULL;
 629
 630         if (!func)
 631                 func = (int (*) (int)) dlsym(RTLD_NEXT, "close");
 632
 633         if (fd == windrvrfd && windrvrfd >= 0) {
 634                 DPRINTF("close windrvrfd\n");
 635
 636                 if (xpcu->handle) {
 637                         xpcu_claim(xpcu, XPCU_RELEASE);
 638                         usb_close(xpcu->handle);
 639                 }
 640
 641                 xpcu->handle = NULL;
 642                 xpcu->interface = -1;
 643                 xpcu = NULL;
 644                 windrvrfd = -1;
 645         }
 646
 647         return (*func) (fd);
 648 }
 649
 650 FILE *fopen(const char *path, const char *mode) {
 651         FILE *ret;
 652         static FILE* (*func) (const char*, const char*) = NULL;
 653         char buf[256];
 654         int i;
 655
 656         if (!func)
 657                 func = (FILE* (*) (const char*, const char*)) dlsym(RTLD_NEXT, "fopen");
 658
 659         for (i = 0; i < 4; i++) {
 660                 snprintf(buf, sizeof(buf), "/proc/sys/dev/parport/parport%d/base-addr", i);
 661                 if (!strcmp(path, buf)) {
 662                         DPRINTF("open base-addr of parport%d\n", i);
 663                         if (config_is_real_pport(i)) {
 664                                 ret = (*func) (path, mode);
 665                         } else {
 666                                 ret = (*func) ("/dev/null", mode);
 667                         }
 668
 669                         if (ret) {
 670                                 baseaddrfp = ret;
 671                                 baseaddrnum = i;
 672                         }
 673
 674                         return ret;
 675                 }
 676         }
 677
 678         ret = (*func) (path, mode);
 679
 680         if (!strcmp(path, "/proc/modules")) {
 681                 DPRINTF("opening /proc/modules\n");
 682 #ifdef NO_WINDRVR
 683                 modulesfp = ret;
 684                 modules_read = 0;
 685 #endif
 686         }
 687
 688         return ret;
 689 }
 690
 691 char *fgets(char *s, int size, FILE *stream) {
 692         static char* (*func) (char*, int, FILE*) = NULL;
 693         const char modules[][256] = {"windrvr6 1 0 - Live 0xdeadbeef\n", "parport_pc 1 0 - Live 0xdeadbeef\n"};
 694         char buf[256];
 695         char *ret = NULL;
 696
 697
 698         if (!func)
 699                 func = (char* (*) (char*, int, FILE*)) dlsym(RTLD_NEXT, "fgets");
 700
 701         if (modulesfp == stream) {
 702                 if (modules_read < sizeof(modules) / sizeof(modules[0])) {
 703                         strcpy(s, modules[modules_read]);
 704                         ret = s;
 705                         modules_read++;
 706                 }
 707         } else if (baseaddrfp == stream) {
 708                 snprintf(s, sizeof(buf), "%d\t%d\n",
 709                         (baseaddrnum) * 0x10,
 710                         ((baseaddrnum) * 0x10) + 0x400);
 711                 ret = s;
 712         } else {
 713                 ret = (*func)(s,size,stream);
 714         }
 715
 716         return ret;
 717 }
 718
 719 int fclose(FILE *fp) {
 720         static int (*func) (FILE*) = NULL;
 721
 722         if (!func)
 723                 func = (int (*) (FILE*)) dlsym(RTLD_NEXT, "fclose");
 724
 725         if (fp == modulesfp) {
 726                 modulesfp = NULL;
 727         }
 728
 729         if (fp == baseaddrfp) {
 730                 baseaddrfp = NULL;
 731         }
 732
 733         return (*func)(fp);
 734 }
 735
 736 int access(const char *pathname, int mode) {
 737         static int (*func) (const char*, int);
 738
 739         if (!func)
 740                 func = (int (*) (const char*, int)) dlsym(RTLD_NEXT, "access");
 741
 742         if (pathname && !strcmp(pathname, "/dev/windrvr6")) {
 743                 return 0;
 744         } else {
 745                 return (*func)(pathname, mode);
 746         }
 747 }
 748
 749 #if __WORDSIZE == 32
 750 int uname (struct utsname *__name) {
 751         static int (*func) (struct utsname*);
 752         int ret;
 753
 754         if (!func)
 755                 func = (int (*) (struct utsname*)) dlsym(RTLD_NEXT, "uname");
 756
 757         ret = (*func)(__name);
 758
 759         if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) {
 760                 strcpy(__name->machine, "i686");
 761         }
 762
 763         return ret;
 764 }
 765 #endif