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