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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 | /* * USB NB Camera driver * * HISTORY: * 25-Dec-2002 Dmitri Removed lighting, sharpness parameters, methods. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include "usbvideo.h" #define ULTRACAM_VENDOR_ID 0x0461 #define ULTRACAM_PRODUCT_ID 0x0813 #define MAX_CAMERAS 4 /* How many devices we allow to connect */ /* * This structure lives in uvd_t->user field. */ typedef struct { int initialized; /* Had we already sent init sequence? */ int camera_model; /* What type of IBM camera we got? */ int has_hdr; } ultracam_t; #define ULTRACAM_T(uvd) ((ultracam_t *)((uvd)->user_data)) static struct usbvideo *cams = NULL; static int debug; static int flags; /* FLAGS_DISPLAY_HINTS | FLAGS_OVERLAY_STATS; */ static const int min_canvasWidth = 8; static const int min_canvasHeight = 4; #define FRAMERATE_MIN 0 #define FRAMERATE_MAX 6 static int framerate = -1; /* * Here we define several initialization variables. They may * be used to automatically set color, hue, brightness and * contrast to desired values. This is particularly useful in * case of webcams (which have no controls and no on-screen * output) and also when a client V4L software is used that * does not have some of those controls. In any case it's * good to have startup values as options. * * These values are all in [0..255] range. This simplifies * operation. Note that actual values of V4L variables may * be scaled up (as much as << 8). User can see that only * on overlay output, however, or through a V4L client. */ static int init_brightness = 128; static int init_contrast = 192; static int init_color = 128; static int init_hue = 128; static int hue_correction = 128; module_param(debug, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Debug level: 0-9 (default=0)"); module_param(flags, int, 0); MODULE_PARM_DESC(flags, "Bitfield: 0=VIDIOCSYNC, " "1=B/W, " "2=show hints, " "3=show stats, " "4=test pattern, " "5=separate frames, " "6=clean frames"); module_param(framerate, int, 0); MODULE_PARM_DESC(framerate, "Framerate setting: 0=slowest, 6=fastest (default=2)"); module_param(init_brightness, int, 0); MODULE_PARM_DESC(init_brightness, "Brightness preconfiguration: 0-255 (default=128)"); module_param(init_contrast, int, 0); MODULE_PARM_DESC(init_contrast, "Contrast preconfiguration: 0-255 (default=192)"); module_param(init_color, int, 0); MODULE_PARM_DESC(init_color, "Color preconfiguration: 0-255 (default=128)"); module_param(init_hue, int, 0); MODULE_PARM_DESC(init_hue, "Hue preconfiguration: 0-255 (default=128)"); module_param(hue_correction, int, 0); MODULE_PARM_DESC(hue_correction, "YUV colorspace regulation: 0-255 (default=128)"); /* * ultracam_ProcessIsocData() * * Generic routine to parse the ring queue data. It employs either * ultracam_find_header() or ultracam_parse_lines() to do most * of work. * * 02-Nov-2000 First (mostly dummy) version. * 06-Nov-2000 Rewrote to dump all data into frame. */ static void ultracam_ProcessIsocData(struct uvd *uvd, struct usbvideo_frame *frame) { int n; assert(uvd != NULL); assert(frame != NULL); /* Try to move data from queue into frame buffer */ n = RingQueue_GetLength(&uvd->dp); if (n > 0) { int m; /* See how much spare we have left */ m = uvd->max_frame_size - frame->seqRead_Length; if (n > m) n = m; /* Now move that much data into frame buffer */ RingQueue_Dequeue( &uvd->dp, frame->data + frame->seqRead_Length, m); frame->seqRead_Length += m; } /* See if we filled the frame */ if (frame->seqRead_Length >= uvd->max_frame_size) { frame->frameState = FrameState_Done; uvd->curframe = -1; uvd->stats.frame_num++; } } /* * ultracam_veio() * * History: * 1/27/00 Added check for dev == NULL; this happens if camera is unplugged. */ static int ultracam_veio( struct uvd *uvd, unsigned char req, unsigned short value, unsigned short index, int is_out) { static const char proc[] = "ultracam_veio"; unsigned char cp[8] /* = { 0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef } */; int i; if (!CAMERA_IS_OPERATIONAL(uvd)) return 0; if (!is_out) { i = usb_control_msg( uvd->dev, usb_rcvctrlpipe(uvd->dev, 0), req, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, cp, sizeof(cp), 1000); #if 1 info("USB => %02x%02x%02x%02x%02x%02x%02x%02x " "(req=$%02x val=$%04x ind=$%04x)", cp[0],cp[1],cp[2],cp[3],cp[4],cp[5],cp[6],cp[7], req, value, index); #endif } else { i = usb_control_msg( uvd->dev, usb_sndctrlpipe(uvd->dev, 0), req, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, NULL, 0, 1000); } if (i < 0) { err("%s: ERROR=%d. Camera stopped; Reconnect or reload driver.", proc, i); uvd->last_error = i; } return i; } /* * ultracam_calculate_fps() */ static int ultracam_calculate_fps(struct uvd *uvd) { return 3 + framerate*4 + framerate/2; } /* * ultracam_adjust_contrast() */ static void ultracam_adjust_contrast(struct uvd *uvd) { } /* * ultracam_set_brightness() * * This procedure changes brightness of the picture. */ static void ultracam_set_brightness(struct uvd *uvd) { } static void ultracam_set_hue(struct uvd *uvd) { } /* * ultracam_adjust_picture() * * This procedure gets called from V4L interface to update picture settings. * Here we change brightness and contrast. */ static void ultracam_adjust_picture(struct uvd *uvd) { ultracam_adjust_contrast(uvd); ultracam_set_brightness(uvd); ultracam_set_hue(uvd); } /* * ultracam_video_stop() * * This code tells camera to stop streaming. The interface remains * configured and bandwidth - claimed. */ static void ultracam_video_stop(struct uvd *uvd) { } /* * ultracam_reinit_iso() * * This procedure sends couple of commands to the camera and then * resets the video pipe. This sequence was observed to reinit the * camera or, at least, to initiate ISO data stream. */ static void ultracam_reinit_iso(struct uvd *uvd, int do_stop) { } static void ultracam_video_start(struct uvd *uvd) { ultracam_reinit_iso(uvd, 0); } static int ultracam_resetPipe(struct uvd *uvd) { usb_clear_halt(uvd->dev, uvd->video_endp); return 0; } static int ultracam_alternateSetting(struct uvd *uvd, int setting) { static const char proc[] = "ultracam_alternateSetting"; int i; i = usb_set_interface(uvd->dev, uvd->iface, setting); if (i < 0) { err("%s: usb_set_interface error", proc); uvd->last_error = i; return -EBUSY; } return 0; } /* * Return negative code on failure, 0 on success. */ static int ultracam_setup_on_open(struct uvd *uvd) { int setup_ok = 0; /* Success by default */ /* Send init sequence only once, it's large! */ if (!ULTRACAM_T(uvd)->initialized) { ultracam_alternateSetting(uvd, 0x04); ultracam_alternateSetting(uvd, 0x00); ultracam_veio(uvd, 0x02, 0x0004, 0x000b, 1); ultracam_veio(uvd, 0x02, 0x0001, 0x0005, 1); ultracam_veio(uvd, 0x02, 0x8000, 0x0000, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x0000, 1); ultracam_veio(uvd, 0x00, 0x00b0, 0x0001, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x0002, 1); ultracam_veio(uvd, 0x00, 0x000c, 0x0003, 1); ultracam_veio(uvd, 0x00, 0x000b, 0x0004, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x0005, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x0006, 1); ultracam_veio(uvd, 0x00, 0x0079, 0x0007, 1); ultracam_veio(uvd, 0x00, 0x003b, 0x0008, 1); ultracam_veio(uvd, 0x00, 0x0002, 0x000f, 1); ultracam_veio(uvd, 0x00, 0x0001, 0x0010, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x0011, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00bf, 1); ultracam_veio(uvd, 0x00, 0x0001, 0x00c0, 1); ultracam_veio(uvd, 0x00, 0x0010, 0x00cb, 1); ultracam_veio(uvd, 0x01, 0x00a4, 0x0001, 1); ultracam_veio(uvd, 0x01, 0x0010, 0x0002, 1); ultracam_veio(uvd, 0x01, 0x0066, 0x0007, 1); ultracam_veio(uvd, 0x01, 0x000b, 0x0008, 1); ultracam_veio(uvd, 0x01, 0x0034, 0x0009, 1); ultracam_veio(uvd, 0x01, 0x0000, 0x000a, 1); ultracam_veio(uvd, 0x01, 0x002e, 0x000b, 1); ultracam_veio(uvd, 0x01, 0x00d6, 0x000c, 1); ultracam_veio(uvd, 0x01, 0x00fc, 0x000d, 1); ultracam_veio(uvd, 0x01, 0x00f1, 0x000e, 1); ultracam_veio(uvd, 0x01, 0x00da, 0x000f, 1); ultracam_veio(uvd, 0x01, 0x0036, 0x0010, 1); ultracam_veio(uvd, 0x01, 0x000b, 0x0011, 1); ultracam_veio(uvd, 0x01, 0x0001, 0x0012, 1); ultracam_veio(uvd, 0x01, 0x0000, 0x0013, 1); ultracam_veio(uvd, 0x01, 0x0000, 0x0014, 1); ultracam_veio(uvd, 0x01, 0x0087, 0x0051, 1); ultracam_veio(uvd, 0x01, 0x0040, 0x0052, 1); ultracam_veio(uvd, 0x01, 0x0058, 0x0053, 1); ultracam_veio(uvd, 0x01, 0x0040, 0x0054, 1); ultracam_veio(uvd, 0x01, 0x0000, 0x0040, 1); ultracam_veio(uvd, 0x01, 0x0010, 0x0041, 1); ultracam_veio(uvd, 0x01, 0x0020, 0x0042, 1); ultracam_veio(uvd, 0x01, 0x0030, 0x0043, 1); ultracam_veio(uvd, 0x01, 0x0040, 0x0044, 1); ultracam_veio(uvd, 0x01, 0x0050, 0x0045, 1); ultracam_veio(uvd, 0x01, 0x0060, 0x0046, 1); ultracam_veio(uvd, 0x01, 0x0070, 0x0047, 1); ultracam_veio(uvd, 0x01, 0x0080, 0x0048, 1); ultracam_veio(uvd, 0x01, 0x0090, 0x0049, 1); ultracam_veio(uvd, 0x01, 0x00a0, 0x004a, 1); ultracam_veio(uvd, 0x01, 0x00b0, 0x004b, 1); ultracam_veio(uvd, 0x01, 0x00c0, 0x004c, 1); ultracam_veio(uvd, 0x01, 0x00d0, 0x004d, 1); ultracam_veio(uvd, 0x01, 0x00e0, 0x004e, 1); ultracam_veio(uvd, 0x01, 0x00f0, 0x004f, 1); ultracam_veio(uvd, 0x01, 0x00ff, 0x0050, 1); ultracam_veio(uvd, 0x01, 0x0000, 0x0056, 1); ultracam_veio(uvd, 0x00, 0x0080, 0x00c1, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c2, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0080, 0x00c1, 1); ultracam_veio(uvd, 0x00, 0x0004, 0x00c2, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0002, 0x00c1, 1); ultracam_veio(uvd, 0x00, 0x0020, 0x00c2, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c3, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c4, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c5, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c6, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c7, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c8, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c3, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c4, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c5, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c6, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c7, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c8, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0040, 0x00c1, 1); ultracam_veio(uvd, 0x00, 0x0017, 0x00c2, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c3, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c4, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c5, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c6, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c7, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c8, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c3, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c4, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c5, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c6, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c7, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c8, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1); ultracam_veio(uvd, 0x00, 0x00c0, 0x00c1, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00c2, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1); ultracam_veio(uvd, 0x02, 0xc040, 0x0001, 1); ultracam_veio(uvd, 0x01, 0x0000, 0x0008, 0); ultracam_veio(uvd, 0x01, 0x0000, 0x0009, 0); ultracam_veio(uvd, 0x01, 0x0000, 0x000a, 0); ultracam_veio(uvd, 0x01, 0x0000, 0x000b, 0); ultracam_veio(uvd, 0x01, 0x0000, 0x000c, 0); ultracam_veio(uvd, 0x01, 0x0000, 0x000d, 0); ultracam_veio(uvd, 0x01, 0x0000, 0x000e, 0); ultracam_veio(uvd, 0x01, 0x0000, 0x000f, 0); ultracam_veio(uvd, 0x01, 0x0000, 0x0010, 0); ultracam_veio(uvd, 0x01, 0x000b, 0x0008, 1); ultracam_veio(uvd, 0x01, 0x0034, 0x0009, 1); ultracam_veio(uvd, 0x01, 0x0000, 0x000a, 1); ultracam_veio(uvd, 0x01, 0x002e, 0x000b, 1); ultracam_veio(uvd, 0x01, 0x00d6, 0x000c, 1); ultracam_veio(uvd, 0x01, 0x00fc, 0x000d, 1); ultracam_veio(uvd, 0x01, 0x00f1, 0x000e, 1); ultracam_veio(uvd, 0x01, 0x00da, 0x000f, 1); ultracam_veio(uvd, 0x01, 0x0036, 0x0010, 1); ultracam_veio(uvd, 0x01, 0x0000, 0x0001, 0); ultracam_veio(uvd, 0x01, 0x0064, 0x0001, 1); ultracam_veio(uvd, 0x01, 0x0059, 0x0051, 1); ultracam_veio(uvd, 0x01, 0x003f, 0x0052, 1); ultracam_veio(uvd, 0x01, 0x0094, 0x0053, 1); ultracam_veio(uvd, 0x01, 0x00ff, 0x0011, 1); ultracam_veio(uvd, 0x01, 0x0003, 0x0012, 1); ultracam_veio(uvd, 0x01, 0x00f7, 0x0013, 1); ultracam_veio(uvd, 0x00, 0x0009, 0x0011, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x0001, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x0000, 1); ultracam_veio(uvd, 0x00, 0x0020, 0x00c1, 1); ultracam_veio(uvd, 0x00, 0x0010, 0x00c2, 1); ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1); ultracam_alternateSetting(uvd, 0x04); ultracam_veio(uvd, 0x02, 0x0000, 0x0001, 1); ultracam_veio(uvd, 0x02, 0x0000, 0x0001, 1); ultracam_veio(uvd, 0x02, 0x0000, 0x0006, 1); ultracam_veio(uvd, 0x02, 0x9000, 0x0007, 1); ultracam_veio(uvd, 0x02, 0x0042, 0x0001, 1); ultracam_veio(uvd, 0x02, 0x0000, 0x000b, 0); ultracam_resetPipe(uvd); ULTRACAM_T(uvd)->initialized = (setup_ok != 0); } return setup_ok; } static void ultracam_configure_video(struct uvd *uvd) { if (uvd == NULL) return; RESTRICT_TO_RANGE(init_brightness, 0, 255); RESTRICT_TO_RANGE(init_contrast, 0, 255); RESTRICT_TO_RANGE(init_color, 0, 255); RESTRICT_TO_RANGE(init_hue, 0, 255); RESTRICT_TO_RANGE(hue_correction, 0, 255); memset(&uvd->vpic, 0, sizeof(uvd->vpic)); memset(&uvd->vpic_old, 0x55, sizeof(uvd->vpic_old)); uvd->vpic.colour = init_color << 8; uvd->vpic.hue = init_hue << 8; uvd->vpic.brightness = init_brightness << 8; uvd->vpic.contrast = init_contrast << 8; uvd->vpic.whiteness = 105 << 8; /* This one isn't used */ uvd->vpic.depth = 24; uvd->vpic.palette = VIDEO_PALETTE_RGB24; memset(&uvd->vcap, 0, sizeof(uvd->vcap)); strcpy(uvd->vcap.name, "IBM Ultra Camera"); uvd->vcap.type = VID_TYPE_CAPTURE; uvd->vcap.channels = 1; uvd->vcap.audios = 0; uvd->vcap.maxwidth = VIDEOSIZE_X(uvd->canvas); uvd->vcap.maxheight = VIDEOSIZE_Y(uvd->canvas); uvd->vcap.minwidth = min_canvasWidth; uvd->vcap.minheight = min_canvasHeight; memset(&uvd->vchan, 0, sizeof(uvd->vchan)); uvd->vchan.flags = 0; uvd->vchan.tuners = 0; uvd->vchan.channel = 0; uvd->vchan.type = VIDEO_TYPE_CAMERA; strcpy(uvd->vchan.name, "Camera"); } /* * ultracam_probe() * * This procedure queries device descriptor and accepts the interface * if it looks like our camera. * * History: * 12-Nov-2000 Reworked to comply with new probe() signature. * 23-Jan-2001 Added compatibility with 2.2.x kernels. */ static int ultracam_probe(struct usb_interface *intf, const struct usb_device_id *devid) { struct usb_device *dev = interface_to_usbdev(intf); struct uvd *uvd = NULL; int ix, i, nas; int actInterface=-1, inactInterface=-1, maxPS=0; unsigned char video_ep = 0; if (debug >= 1) info("ultracam_probe(%p)", intf); /* We don't handle multi-config cameras */ if (dev->descriptor.bNumConfigurations != 1) return -ENODEV; info("IBM Ultra camera found (rev. 0x%04x)", le16_to_cpu(dev->descriptor.bcdDevice)); /* Validate found interface: must have one ISO endpoint */ nas = intf->num_altsetting; if (debug > 0) info("Number of alternate settings=%d.", nas); if (nas < 8) { err("Too few alternate settings for this camera!"); return -ENODEV; } /* Validate all alternate settings */ for (ix=0; ix < nas; ix++) { const struct usb_host_interface *interface; const struct usb_endpoint_descriptor *endpoint; interface = &intf->altsetting[ix]; i = interface->desc.bAlternateSetting; if (interface->desc.bNumEndpoints != 1) { err("Interface %d. has %u. endpoints!", interface->desc.bInterfaceNumber, (unsigned)(interface->desc.bNumEndpoints)); return -ENODEV; } endpoint = &interface->endpoint[0].desc; if (video_ep == 0) video_ep = endpoint->bEndpointAddress; else if (video_ep != endpoint->bEndpointAddress) { err("Alternate settings have different endpoint addresses!"); return -ENODEV; } if ((endpoint->bmAttributes & 0x03) != 0x01) { err("Interface %d. has non-ISO endpoint!", interface->desc.bInterfaceNumber); return -ENODEV; } if ((endpoint->bEndpointAddress & 0x80) == 0) { err("Interface %d. has ISO OUT endpoint!", interface->desc.bInterfaceNumber); return -ENODEV; } if (le16_to_cpu(endpoint->wMaxPacketSize) == 0) { if (inactInterface < 0) inactInterface = i; else { err("More than one inactive alt. setting!"); return -ENODEV; } } else { if (actInterface < 0) { actInterface = i; maxPS = le16_to_cpu(endpoint->wMaxPacketSize); if (debug > 0) info("Active setting=%d. maxPS=%d.", i, maxPS); } else { /* Got another active alt. setting */ if (maxPS < le16_to_cpu(endpoint->wMaxPacketSize)) { /* This one is better! */ actInterface = i; maxPS = le16_to_cpu(endpoint->wMaxPacketSize); if (debug > 0) { info("Even better ctive setting=%d. maxPS=%d.", i, maxPS); } } } } } if ((maxPS <= 0) || (actInterface < 0) || (inactInterface < 0)) { err("Failed to recognize the camera!"); return -ENODEV; } uvd = usbvideo_AllocateDevice(cams); if (uvd != NULL) { /* Here uvd is a fully allocated uvd object */ uvd->flags = flags; uvd->debug = debug; uvd->dev = dev; uvd->iface = intf->altsetting->desc.bInterfaceNumber; uvd->ifaceAltInactive = inactInterface; uvd->ifaceAltActive = actInterface; uvd->video_endp = video_ep; uvd->iso_packet_len = maxPS; uvd->paletteBits = 1L << VIDEO_PALETTE_RGB24; uvd->defaultPalette = VIDEO_PALETTE_RGB24; uvd->canvas = VIDEOSIZE(640, 480); /* FIXME */ uvd->videosize = uvd->canvas; /* ultracam_size_to_videosize(size);*/ /* Initialize ibmcam-specific data */ assert(ULTRACAM_T(uvd) != NULL); ULTRACAM_T(uvd)->camera_model = 0; /* Not used yet */ ULTRACAM_T(uvd)->initialized = 0; ultracam_configure_video(uvd); i = usbvideo_RegisterVideoDevice(uvd); if (i != 0) { err("usbvideo_RegisterVideoDevice() failed."); uvd = NULL; } } if (uvd) { usb_set_intfdata (intf, uvd); return 0; } return -EIO; } static struct usb_device_id id_table[] = { { USB_DEVICE(ULTRACAM_VENDOR_ID, ULTRACAM_PRODUCT_ID) }, { } /* Terminating entry */ }; /* * ultracam_init() * * This code is run to initialize the driver. */ static int __init ultracam_init(void) { struct usbvideo_cb cbTbl; memset(&cbTbl, 0, sizeof(cbTbl)); cbTbl.probe = ultracam_probe; cbTbl.setupOnOpen = ultracam_setup_on_open; cbTbl.videoStart = ultracam_video_start; cbTbl.videoStop = ultracam_video_stop; cbTbl.processData = ultracam_ProcessIsocData; cbTbl.postProcess = usbvideo_DeinterlaceFrame; cbTbl.adjustPicture = ultracam_adjust_picture; cbTbl.getFPS = ultracam_calculate_fps; return usbvideo_register( &cams, MAX_CAMERAS, sizeof(ultracam_t), "ultracam", &cbTbl, THIS_MODULE, id_table); } static void __exit ultracam_cleanup(void) { usbvideo_Deregister(&cams); } MODULE_DEVICE_TABLE(usb, id_table); MODULE_LICENSE("GPL"); module_init(ultracam_init); module_exit(ultracam_cleanup); 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