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 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_claim(xpcu, XPCU_CLAIM);
 164                                 /* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */
 165                                 if (ut->dwPipeNum == 0) { /* control pipe */
 166                                         int requesttype, request, value, index, size;
 167                                         requesttype = ut->SetupPacket[0];
 168                                         request = ut->SetupPacket[1];
 169                                         value = ut->SetupPacket[2] | (ut->SetupPacket[3] << 8);
 170                                         index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8);
 171                                         size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8);
 172                                         DPRINTF("requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size);
 173                                         ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
 174                                 } else {
 175                                         if (ut->fRead) {
 176                                                 ret = usb_bulk_read(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
 177                                         } else {
 178                                                 ret = usb_bulk_write(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
 179                                         }
 180                                         xpcu_claim(xpcu, XPCU_RELEASE);
 181                                 }
 182
 183                                 if (ret < 0) {
 184                                         fprintf(stderr, "usb_transfer: %d (%s)\n", ret, usb_strerror());
 185                                 } else {
 186                                         ut->dwBytesTransferred = ret;
 187                                         ret = 0;
 188                                 }
 189 #endif
 190
 191 #ifdef DEBUG
 192                                 DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write"));
 193                                 if (ut->fRead && ut->dwBytesTransferred)
 194                                 {
 195                                         DPRINTF("Read: ");
 196                                         hexdump(ut->pBuffer, ut->dwBytesTransferred);
 197                                 }
 198 #endif
 199                         }
 200                         break;
 201
 202                 case INT_ENABLE_OLD:
 203                 case INT_ENABLE:
 204                         DPRINTF("INT_ENABLE\n");
 205                         {
 206                                 struct interrupt *it = (struct interrupt*)(wdheader->data);
 207
 208                                 DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 209                                 it->hInterrupt, it->dwOptions,
 210                                 it->dwCmds, it->fEnableOk, it->dwCounter,
 211                                 it->dwLost, it->fStopped);
 212
 213                                 it->fEnableOk = 1;
 214                                 it->fStopped = 0;
 215                                 ints_enabled = 1;
 216                                 pthread_mutex_trylock(&int_wait);
 217                         }
 218
 219                         break;
 220
 221                 case INT_DISABLE:
 222                         DPRINTF("INT_DISABLE\n");
 223                         {
 224                                 struct interrupt *it = (struct interrupt*)(wdheader->data);
 225
 226                                 DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 227                                 it->hInterrupt, it->dwOptions,
 228                                 it->dwCmds, it->fEnableOk, it->dwCounter,
 229                                 it->dwLost, it->fStopped);
 230 #ifndef NO_WINDRVR
 231                                 ret = (*ioctl_func) (fd, request, wdioctl);
 232 #else
 233                                 it->dwCounter = 0;
 234                                 it->fStopped = 1;
 235                                 ints_enabled = 0;
 236                                 if (pthread_mutex_trylock(&int_wait) == EBUSY)
 237                                         pthread_mutex_unlock(&int_wait);
 238 #endif
 239                                 DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 240                                 it->hInterrupt, it->dwOptions,
 241                                 it->dwCmds, it->fEnableOk, it->dwCounter,
 242                                 it->dwLost, it->fStopped);
 243                         }
 244                         break;
 245
 246                 case USB_SET_INTERFACE:
 247                         DPRINTF("USB_SET_INTERFACE\n");
 248                         {
 249                                 struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data);
 250
 251                                 DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
 252                                 usi->dwUniqueID, usi->dwInterfaceNum,
 253                                 usi->dwAlternateSetting, usi->dwOptions);
 254 #ifndef NO_WINDRVR
 255                                 ret = (*ioctl_func) (fd, request, wdioctl);
 256 #else
 257                                 if (xpcu->dev) {
 258                                         if (!xpcu->handle) {
 259                                                 xpcu->handle = usb_open(xpcu->dev);
 260 #ifndef NO_USB_RESET
 261                                                 if (xpcu->handle) {
 262                                                         usb_reset(xpcu->handle);
 263                                                         xpcu->handle = usb_open(xpcu->dev);
 264                                                 }
 265 #endif
 266                                         }
 267
 268                                         xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
 269                                         xpcu->alternate = usi->dwAlternateSetting;
 270                                 }
 271 #endif
 272                                 DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
 273                                 usi->dwUniqueID, usi->dwInterfaceNum,
 274                                 usi->dwAlternateSetting, usi->dwOptions);
 275                         }
 276                         break;
 277
 278                 case USB_GET_DEVICE_DATA_OLD:
 279                 case USB_GET_DEVICE_DATA:
 280                         DPRINTF("USB_GET_DEVICE_DATA\n");
 281                         {
 282                                 struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data);
 283                                 int pSize;
 284
 285                                 DPRINTF("unique: %lu, bytes: %lu, options: %lx\n",
 286                                 ugdd->dwUniqueID, ugdd->dwBytes,
 287                                 ugdd->dwOptions);
 288
 289                                 pSize = ugdd->dwBytes;
 290                                 if (!ugdd->dwBytes) {
 291                                         if (xpcu->dev) {
 292                                                 ugdd->dwBytes = xpcu_deviceinfo(xpcu, NULL);
 293                                         }
 294                                 } else {
 295                                         xpcu_deviceinfo(xpcu, (unsigned char*)ugdd->pBuf);
 296                                 }
 297                         }
 298                         break;
 299
 300                 case EVENT_REGISTER_OLD:
 301                 case EVENT_REGISTER:
 302                         DPRINTF("EVENT_REGISTER\n");
 303                         {
 304                                 struct event *e = (struct event*)(wdheader->data);
 305                                 struct usb_bus *bus;
 306                                 char* devpos;
 307                                 int busnum = -1, devnum = -1;
 308                                 int i;
 309
 310                                 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",
 311                                 e->handle, e->dwAction,
 312                                 e->dwStatus, e->dwEventId, e->dwCardType,
 313                                 e->hKernelPlugIn, e->dwOptions,
 314                                 e->u.Usb.deviceId.dwVendorId,
 315                                 e->u.Usb.deviceId.dwProductId,
 316                                 e->u.Usb.dwUniqueID, e->dwEventVer,
 317                                 e->dwNumMatchTables);
 318
 319                                 devpos = getenv("XILINX_USB_DEV");
 320                                 if (devpos != NULL) {
 321                                         int j;
 322                                         char *devstr = NULL, *remainder;
 323
 324                                         DPRINTF("XILINX_USB_DEV=%s\n", devpos);
 325
 326                                         for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) {
 327                                                 if (devpos[j] == ':') {
 328                                                         devpos[j] = 0;
 329                                                         devstr = &(devpos[j+1]);
 330                                                 }
 331                                         }
 332
 333                                         if (devstr && strlen(devstr) > 0) {
 334                                                 busnum = strtol(devpos, &remainder, 10);
 335                                                 if (devpos == remainder) {
 336                                                         busnum = -1;
 337                                                 } else {
 338                                                         devnum = strtol(devstr, &remainder, 10);
 339                                                         if (devstr == remainder) {
 340                                                                 busnum = -1;
 341                                                                 devnum = -1;
 342                                                         } else {
 343                                                                 fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n",
 344                                                                 busnum, devnum);
 345                                                         }
 346                                                 }
 347                                         }
 348                                 }
 349
 350                                 for (i = 0; i < e->dwNumMatchTables; i++) {
 351
 352                                         DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
 353                                         e->matchTables[i].VendorId,
 354                                         e->matchTables[i].ProductId,
 355                                         e->matchTables[i].bDeviceClass,
 356                                         e->matchTables[i].bDeviceSubClass,
 357                                         e->matchTables[i].bInterfaceClass,
 358                                         e->matchTables[i].bInterfaceSubClass,
 359                                         e->matchTables[i].bInterfaceProtocol);
 360
 361                                         for (bus = xpcu->busses; bus; bus = bus->next) {
 362                                                 struct usb_device *dev;
 363
 364                                                 if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
 365                                                         continue;
 366
 367                                                 for (dev = bus->devices; dev; dev = dev->next) {
 368                                                         struct usb_device_descriptor *desc = &(dev->descriptor);
 369
 370                                                         if((desc->idVendor == e->matchTables[i].VendorId) &&
 371                                                            (desc->idProduct == e->matchTables[i].ProductId) &&
 372                                                            (desc->bDeviceClass == e->matchTables[i].bDeviceClass) &&
 373                                                            (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) &&
 374                                                            ((devnum == -1) || (strtol(dev->filename, NULL, 10) == devnum)) ) {
 375                                                                    int ac;
 376                                                                    for (ac = 0; ac < desc->bNumConfigurations; ac++) {
 377                                                                            struct usb_interface *interface = dev->config[ac].interface;
 378                                                                            int ai;
 379
 380                                                                            for (ai = 0; ai < interface->num_altsetting; ai++) {
 381
 382                                                                                    DPRINTF("intclass: %x, intsubclass: %x, intproto: %x\n",
 383                                                                                    interface->altsetting[i].bInterfaceClass,
 384                                                                                    interface->altsetting[i].bInterfaceSubClass,
 385                                                                                    interface->altsetting[i].bInterfaceProtocol);
 386
 387                                                                                    if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) &&
 388                                                                                                    (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
 389                                                                                            /* TODO: check interfaceClass! */
 390                                                                                            DPRINTF("found device with libusb\n");
 391                                                                                            xpcu->dev = dev;
 392                                                                                            card_type = e->dwCardType;
 393                                                                                    }
 394                                                                            }
 395                                                                    }
 396                                                         }
 397                                                 }
 398                                         }
 399                                 }
 400
 401 #ifndef NO_WINDRVR
 402                                 ret = (*ioctl_func) (fd, request, wdioctl);
 403 #else
 404                                 e->handle++;
 405 #endif
 406
 407 #ifdef DEBUG
 408                                 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",
 409                                 e->handle, e->dwAction,
 410                                 e->dwStatus, e->dwEventId, e->dwCardType,
 411                                 e->hKernelPlugIn, e->dwOptions,
 412                                 e->u.Usb.deviceId.dwVendorId,
 413                                 e->u.Usb.deviceId.dwProductId,
 414                                 e->u.Usb.dwUniqueID, e->dwEventVer,
 415                                 e->dwNumMatchTables);
 416
 417                                 for (i = 0; i < e->dwNumMatchTables; i++)
 418                                         DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
 419                                         e->matchTables[i].VendorId,
 420                                         e->matchTables[i].ProductId,
 421                                         e->matchTables[i].bDeviceClass,
 422                                         e->matchTables[i].bDeviceSubClass,
 423                                         e->matchTables[i].bInterfaceClass,
 424                                         e->matchTables[i].bInterfaceSubClass,
 425                                         e->matchTables[i].bInterfaceProtocol);
 426 #endif
 427                         }
 428                         break;
 429
 430                 case TRANSFER_OLD:
 431                 case TRANSFER:
 432                         DPRINTF("TRANSFER\n");
 433                         {
 434                                 WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
 435
 436 #ifndef NO_WINDRVR
 437                                 ret = (*ioctl_func) (fd, request, wdioctl);
 438 #else
 439                                 ret = pport->transfer(tr, fd, request, ppbase, ecpbase, 1);
 440 #endif
 441                         }
 442                         break;
 443
 444                 case MULTI_TRANSFER_OLD:
 445                 case MULTI_TRANSFER:
 446                         DPRINTF("MULTI_TRANSFER\n");
 447                         {
 448                                 WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
 449                                 unsigned long num = wdheader->size/sizeof(WD_TRANSFER);
 450 #ifndef NO_WINDRVR
 451                                 ret = (*ioctl_func) (fd, request, wdioctl);
 452 #else
 453                                 ret = pport->transfer(tr, fd, request, ppbase, ecpbase, num);
 454 #endif
 455                         }
 456                         break;
 457
 458                 case EVENT_UNREGISTER:
 459                         DPRINTF("EVENT_UNREGISTER\n");
 460 #ifndef NO_WINDRVR
 461                         ret = (*ioctl_func) (fd, request, wdioctl);
 462 #endif
 463                         break;
 464
 465                 case INT_WAIT:
 466                         DPRINTF("INT_WAIT\n");
 467                         {
 468                                 struct interrupt *it = (struct interrupt*)(wdheader->data);
 469
 470                                 DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 471                                 it->hInterrupt, it->dwOptions,
 472                                 it->dwCmds, it->fEnableOk, it->dwCounter,
 473                                 it->dwLost, it->fStopped);
 474
 475 #ifndef NO_WINDRVR
 476                                 ret = (*ioctl_func) (fd, request, wdioctl);
 477 #else
 478                                 if (xpcu->dev) {
 479                                         if (it->dwCounter == 0) {
 480                                                 it->dwCounter = 1;
 481                                         } else {
 482                                                 pthread_mutex_lock(&int_wait);
 483                                                 pthread_mutex_unlock(&int_wait);
 484                                         }
 485                                 } else {
 486                                         pthread_mutex_lock(&int_wait);
 487                                         pthread_mutex_unlock(&int_wait);
 488                                 }
 489 #endif
 490
 491                                 DPRINTF("INT_WAIT_RETURN: Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
 492                                 it->hInterrupt, it->dwOptions, it->dwCmds,
 493                                 it->fEnableOk, it->dwCounter, it->dwLost,
 494                                 it->fStopped);
 495                         }
 496                         break;
 497
 498                 case CARD_UNREGISTER:
 499                         DPRINTF("CARD_UNREGISTER\n");
 500                         {
 501                                 struct card_register* cr = (struct card_register*)(wdheader->data);
 502
 503                                 DPRINTF("Addr: 0x%lx, bytes: %lu, bar: %lu\n",
 504                                 (unsigned long)cr->Card.Item[0].I.IO.dwAddr,
 505                                 cr->Card.Item[0].I.IO.dwBytes,
 506                                 cr->Card.Item[0].I.IO.dwBar);
 507
 508                                 DPRINTF("hCard: %lu\n", cr->hCard);
 509
 510 #ifndef NO_WINDRVR
 511                                 ret = (*ioctl_func) (fd, request, wdioctl);
 512 #else
 513                                 if (pport)
 514                                         pport->close(cr->hCard);
 515
 516                                 pport = NULL;
 517 #endif
 518                         }
 519                         break;
 520
 521                 case EVENT_PULL:
 522                         DPRINTF("EVENT_PULL\n");
 523                         {
 524                                 struct event *e = (struct event*)(wdheader->data);
 525 #ifdef DEBUG
 526                                 int i;
 527
 528                                 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",
 529                                 e->handle, e->dwAction, e->dwStatus,
 530                                 e->dwEventId, e->dwCardType, e->hKernelPlugIn,
 531                                 e->dwOptions, e->u.Usb.deviceId.dwVendorId,
 532                                 e->u.Usb.deviceId.dwProductId,
 533                                 e->u.Usb.dwUniqueID, e->dwEventVer,
 534                                 e->dwNumMatchTables);
 535
 536                                 for (i = 0; i < e->dwNumMatchTables; i++)
 537                                         DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
 538                                         e->matchTables[i].VendorId,
 539                                         e->matchTables[i].ProductId,
 540                                         e->matchTables[i].bDeviceClass,
 541                                         e->matchTables[i].bDeviceSubClass,
 542                                         e->matchTables[i].bInterfaceClass,
 543                                         e->matchTables[i].bInterfaceSubClass,
 544                                         e->matchTables[i].bInterfaceProtocol);
 545 #endif
 546
 547 #ifndef NO_WINDRVR
 548                                 ret = (*ioctl_func) (fd, request, wdioctl);
 549 #else
 550                                 if (xpcu->dev) {
 551                                         struct usb_interface *interface = xpcu->dev->config->interface;
 552
 553                                         e->dwCardType = card_type;
 554                                         e->dwAction = 1;
 555                                         e->dwEventId = 109;
 556                                         e->u.Usb.dwUniqueID = 110;
 557                                         e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
 558                                         e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
 559                                         e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
 560                                         e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
 561                                         e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass;
 562                                         e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
 563                                         e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
 564                                 }
 565 #endif
 566
 567 #ifdef DEBUG
 568                                 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",
 569                                 e->handle, e->dwAction, e->dwStatus,
 570                                 e->dwEventId, e->dwCardType, e->hKernelPlugIn,
 571                                 e->dwOptions, e->u.Usb.deviceId.dwVendorId,
 572                                 e->u.Usb.deviceId.dwProductId,
 573                                 e->u.Usb.dwUniqueID, e->dwEventVer,
 574                                 e->dwNumMatchTables);
 575
 576                                 for (i = 0; i < e->dwNumMatchTables; i++)
 577                                         DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
 578                                         e->matchTables[i].VendorId,
 579                                         e->matchTables[i].ProductId,
 580                                         e->matchTables[i].bDeviceClass,
 581                                         e->matchTables[i].bDeviceSubClass,
 582                                         e->matchTables[i].bInterfaceClass,
 583                                         e->matchTables[i].bInterfaceSubClass,
 584                                         e->matchTables[i].bInterfaceProtocol);
 585 #endif
 586
 587                         }
 588                         break;
 589
 590                 default:
 591                         fprintf(stderr,"!!!Unsupported IOCTL: %x!!!\n", request);
 592 #ifndef NO_WINDRVR
 593                         ret = (*ioctl_func) (fd, request, wdioctl);
 594 #endif
 595                         break;
 596         }
 597
 598         return ret;
 599 }
 600
 601 int ioctl(int fd, unsigned long int request, ...) {
 602         va_list args;
 603         void *argp;
 604         int ret;
 605
 606         if (!ioctl_func)
 607                 ioctl_func = (int (*) (int, int, void *)) dlsym (RTLD_NEXT, "ioctl");
 608
 609         va_start (args, request);
 610         argp = va_arg (args, void *);
 611         va_end (args);
 612
 613         if (fd == windrvrfd)
 614                 ret = do_wdioctl(fd, request, argp);
 615         else
 616                 ret = (*ioctl_func) (fd, request, argp);
 617
 618         return ret;
 619 }
 620
 621 int open (const char *pathname, int flags, ...) {
 622         static int (*func) (const char *, int, mode_t) = NULL;
 623         mode_t mode = 0;
 624         va_list args;
 625         int fd;
 626
 627         if (!func)
 628                 func = (int (*) (const char *, int, mode_t)) dlsym (RTLD_NEXT, "open");
 629
 630         if (flags & O_CREAT) {
 631                 va_start(args, flags);
 632                 mode = va_arg(args, mode_t);
 633                 va_end(args);
 634         }
 635
 636         if (!strcmp (pathname, "/dev/windrvr6")) {
 637                 DPRINTF("opening windrvr6\n");
 638 #ifdef NO_WINDRVR
 639                 windrvrfd = fd = (*func) ("/dev/null", flags, mode);
 640 #else
 641                 windrvrfd = fd = (*func) (pathname, flags, mode);
 642 #endif
 643                 if (!xpcu)
 644                         xpcu = xpcu_open();
 645
 646                 return fd;
 647         }
 648
 649         return (*func) (pathname, flags, mode);
 650 }
 651
 652 int close(int fd) {
 653         static int (*func) (int) = NULL;
 654
 655         if (!func)
 656                 func = (int (*) (int)) dlsym(RTLD_NEXT, "close");
 657
 658         if (fd == windrvrfd && windrvrfd >= 0) {
 659                 DPRINTF("close windrvrfd\n");
 660
 661                 if (xpcu->handle) {
 662                         xpcu_claim(xpcu, XPCU_RELEASE);
 663                         usb_close(xpcu->handle);
 664                 }
 665
 666                 xpcu->handle = NULL;
 667                 xpcu->interface = -1;
 668                 xpcu = NULL;
 669                 windrvrfd = -1;
 670         }
 671
 672         return (*func) (fd);
 673 }
 674
 675 FILE *fopen(const char *path, const char *mode) {
 676         FILE *ret;
 677         static FILE* (*func) (const char*, const char*) = NULL;
 678         char buf[256];
 679         int i;
 680
 681         if (!func)
 682                 func = (FILE* (*) (const char*, const char*)) dlsym(RTLD_NEXT, "fopen");
 683
 684         for (i = 0; i < 4; i++) {
 685                 snprintf(buf, sizeof(buf), "/proc/sys/dev/parport/parport%d/base-addr", i);
 686                 if (!strcmp(path, buf)) {
 687                         DPRINTF("open base-addr of parport%d\n", i);
 688                         if (config_is_real_pport(i)) {
 689                                 ret = (*func) (path, mode);
 690                         } else {
 691                                 ret = (*func) ("/dev/null", mode);
 692                         }
 693
 694                         if (ret) {
 695                                 baseaddrfp = ret;
 696                                 baseaddrnum = i;
 697                         }
 698
 699                         return ret;
 700                 }
 701         }
 702
 703         ret = (*func) (path, mode);
 704
 705         if (!strcmp(path, "/proc/modules")) {
 706                 DPRINTF("opening /proc/modules\n");
 707 #ifdef NO_WINDRVR
 708                 modulesfp = ret;
 709                 modules_read = 0;
 710 #endif
 711         }
 712
 713         return ret;
 714 }
 715
 716 char *fgets(char *s, int size, FILE *stream) {
 717         static char* (*func) (char*, int, FILE*) = NULL;
 718         const char modules[][256] = {"windrvr6 1 0 - Live 0xdeadbeef\n", "parport_pc 1 0 - Live 0xdeadbeef\n"};
 719         char buf[256];
 720         char *ret = NULL;
 721
 722
 723         if (!func)
 724                 func = (char* (*) (char*, int, FILE*)) dlsym(RTLD_NEXT, "fgets");
 725
 726         if (modulesfp == stream) {
 727                 if (modules_read < sizeof(modules) / sizeof(modules[0])) {
 728                         strcpy(s, modules[modules_read]);
 729                         ret = s;
 730                         modules_read++;
 731                 }
 732         } else if (baseaddrfp == stream) {
 733                 snprintf(s, sizeof(buf), "%d\t%d\n",
 734                         (baseaddrnum) * 0x10,
 735                         ((baseaddrnum) * 0x10) + 0x400);
 736                 ret = s;
 737         } else {
 738                 ret = (*func)(s,size,stream);
 739         }
 740
 741         return ret;
 742 }
 743
 744 int fclose(FILE *fp) {
 745         static int (*func) (FILE*) = NULL;
 746
 747         if (!func)
 748                 func = (int (*) (FILE*)) dlsym(RTLD_NEXT, "fclose");
 749
 750         if (fp == modulesfp) {
 751                 modulesfp = NULL;
 752         }
 753
 754         if (fp == baseaddrfp) {
 755                 baseaddrfp = NULL;
 756         }
 757
 758         return (*func)(fp);
 759 }
 760
 761 int access(const char *pathname, int mode) {
 762         static int (*func) (const char*, int);
 763
 764         if (!func)
 765                 func = (int (*) (const char*, int)) dlsym(RTLD_NEXT, "access");
 766
 767         if (pathname && !strcmp(pathname, "/dev/windrvr6")) {
 768                 return 0;
 769         } else {
 770                 return (*func)(pathname, mode);
 771         }
 772 }
 773
 774 #if __WORDSIZE == 32
 775 int uname (struct utsname *__name) {
 776         static int (*func) (struct utsname*);
 777         int ret;
 778
 779         if (!func)
 780                 func = (int (*) (struct utsname*)) dlsym(RTLD_NEXT, "uname");
 781
 782         ret = (*func)(__name);
 783
 784         if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) {
 785                 strcpy(__name->machine, "i686");
 786         }
 787
 788         return ret;
 789 }
 790 #endif