sn9c2028.c 24.6 KB
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740
/*
 * SN9C2028 library
 *
 * Copyright (C) 2009 Theodore Kilgore <kilgota@auburn.edu>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#define MODULE_NAME "sn9c2028"

#include "gspca.h"

MODULE_AUTHOR("Theodore Kilgore");
MODULE_DESCRIPTION("Sonix SN9C2028 USB Camera Driver");
MODULE_LICENSE("GPL");

/* specific webcam descriptor */
struct sd {
	struct gspca_dev gspca_dev;  /* !! must be the first item */
	u8 sof_read;
	u16 model;
};

struct init_command {
	unsigned char instruction[6];
	unsigned char to_read; /* length to read. 0 means no reply requested */
};

/* V4L2 controls supported by the driver */
static const struct ctrl sd_ctrls[] = {
};

/* How to change the resolution of any of the VGA cams is unknown */
static const struct v4l2_pix_format vga_mode[] = {
	{640, 480, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 3 / 4,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
};

/* No way to change the resolution of the CIF cams is known */
static const struct v4l2_pix_format cif_mode[] = {
	{352, 288, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288 * 3 / 4,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
};

/* the bytes to write are in gspca_dev->usb_buf */
static int sn9c2028_command(struct gspca_dev *gspca_dev, u8 *command)
{
	int rc;

	PDEBUG(D_USBO, "sending command %02x%02x%02x%02x%02x%02x", command[0],
	       command[1], command[2], command[3], command[4], command[5]);

	memcpy(gspca_dev->usb_buf, command, 6);
	rc = usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			USB_REQ_GET_CONFIGURATION,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			2, 0, gspca_dev->usb_buf, 6, 500);
	if (rc < 0) {
		pr_err("command write [%02x] error %d\n",
		       gspca_dev->usb_buf[0], rc);
		return rc;
	}

	return 0;
}

static int sn9c2028_read1(struct gspca_dev *gspca_dev)
{
	int rc;

	rc = usb_control_msg(gspca_dev->dev,
			usb_rcvctrlpipe(gspca_dev->dev, 0),
			USB_REQ_GET_STATUS,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			1, 0, gspca_dev->usb_buf, 1, 500);
	if (rc != 1) {
		pr_err("read1 error %d\n", rc);
		return (rc < 0) ? rc : -EIO;
	}
	PDEBUG(D_USBI, "read1 response %02x", gspca_dev->usb_buf[0]);
	return gspca_dev->usb_buf[0];
}

static int sn9c2028_read4(struct gspca_dev *gspca_dev, u8 *reading)
{
	int rc;
	rc = usb_control_msg(gspca_dev->dev,
			usb_rcvctrlpipe(gspca_dev->dev, 0),
			USB_REQ_GET_STATUS,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			4, 0, gspca_dev->usb_buf, 4, 500);
	if (rc != 4) {
		pr_err("read4 error %d\n", rc);
		return (rc < 0) ? rc : -EIO;
	}
	memcpy(reading, gspca_dev->usb_buf, 4);
	PDEBUG(D_USBI, "read4 response %02x%02x%02x%02x", reading[0],
	       reading[1], reading[2], reading[3]);
	return rc;
}

static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command)
{
	int i, status;
	__u8 reading[4];

	status = sn9c2028_command(gspca_dev, command);
	if (status < 0)
		return status;

	status = -1;
	for (i = 0; i < 256 && status < 2; i++)
		status = sn9c2028_read1(gspca_dev);
	if (status != 2) {
		pr_err("long command status read error %d\n", status);
		return (status < 0) ? status : -EIO;
	}

	memset(reading, 0, 4);
	status = sn9c2028_read4(gspca_dev, reading);
	if (status < 0)
		return status;

	/* in general, the first byte of the response is the first byte of
	 * the command, or'ed with 8 */
	status = sn9c2028_read1(gspca_dev);
	if (status < 0)
		return status;

	return 0;
}

static int sn9c2028_short_command(struct gspca_dev *gspca_dev, u8 *command)
{
	int err_code;

	err_code = sn9c2028_command(gspca_dev, command);
	if (err_code < 0)
		return err_code;

	err_code = sn9c2028_read1(gspca_dev);
	if (err_code < 0)
		return err_code;

	return 0;
}

/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
		     const struct usb_device_id *id)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct cam *cam = &gspca_dev->cam;

	PDEBUG(D_PROBE, "SN9C2028 camera detected (vid/pid 0x%04X:0x%04X)",
	       id->idVendor, id->idProduct);

	sd->model = id->idProduct;

	switch (sd->model) {
	case 0x7005:
		PDEBUG(D_PROBE, "Genius Smart 300 camera");
		break;
	case 0x8000:
		PDEBUG(D_PROBE, "DC31VC");
		break;
	case 0x8001:
		PDEBUG(D_PROBE, "Spy camera");
		break;
	case 0x8003:
		PDEBUG(D_PROBE, "CIF camera");
		break;
	case 0x8008:
		PDEBUG(D_PROBE, "Mini-Shotz ms-350 camera");
		break;
	case 0x800a:
		PDEBUG(D_PROBE, "Vivitar 3350b type camera");
		cam->input_flags = V4L2_IN_ST_VFLIP | V4L2_IN_ST_HFLIP;
		break;
	}

	switch (sd->model) {
	case 0x8000:
	case 0x8001:
	case 0x8003:
		cam->cam_mode = cif_mode;
		cam->nmodes = ARRAY_SIZE(cif_mode);
		break;
	default:
		cam->cam_mode = vga_mode;
		cam->nmodes = ARRAY_SIZE(vga_mode);
	}
	return 0;
}

/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
	int status = -1;

	sn9c2028_read1(gspca_dev);
	sn9c2028_read1(gspca_dev);
	status = sn9c2028_read1(gspca_dev);

	return (status < 0) ? status : 0;
}

static int run_start_commands(struct gspca_dev *gspca_dev,
			      struct init_command *cam_commands, int n)
{
	int i, err_code = -1;

	for (i = 0; i < n; i++) {
		switch (cam_commands[i].to_read) {
		case 4:
			err_code = sn9c2028_long_command(gspca_dev,
					cam_commands[i].instruction);
			break;
		case 1:
			err_code = sn9c2028_short_command(gspca_dev,
					cam_commands[i].instruction);
			break;
		case 0:
			err_code = sn9c2028_command(gspca_dev,
					cam_commands[i].instruction);
			break;
		}
		if (err_code < 0)
			return err_code;
	}
	return 0;
}

static int start_spy_cam(struct gspca_dev *gspca_dev)
{
	struct init_command spy_start_commands[] = {
		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
		{{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, /* width  352 */
		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, /* height 288 */
		/* {{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4}, */
		{{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4},
		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* red gain ?*/
		/* {{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4}, */
		{{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
		/* {{0x13, 0x29, 0x01, 0x0c, 0x00, 0x00}, 4}, */
		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
		/* {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, */
		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
		/* {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, */
		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x02, 0x06, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x03, 0x13, 0x00, 0x00, 0x00}, 4}, /*don't mess with*/
		/*{{0x11, 0x04, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
		{{0x11, 0x04, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
		/*{{0x11, 0x05, 0x65, 0x00, 0x00, 0x00}, 4}, observed */
		{{0x11, 0x05, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
		{{0x11, 0x06, 0xb1, 0x00, 0x00, 0x00}, 4}, /* observed */
		{{0x11, 0x07, 0x00, 0x00, 0x00, 0x00}, 4},
		/*{{0x11, 0x08, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
		{{0x11, 0x08, 0x0b, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x09, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0a, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0c, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0d, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0e, 0x04, 0x00, 0x00, 0x00}, 4},
		/* {{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4}, */
		/* brightness or gain. 0 is default. 4 is good
		 * indoors at night with incandescent lighting */
		{{0x11, 0x0f, 0x04, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x10, 0x06, 0x00, 0x00, 0x00}, 4}, /*hstart or hoffs*/
		{{0x11, 0x11, 0x06, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x14, 0x02, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x13, 0x01, 0x00, 0x00, 0x00}, 4},
		/* {{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1}, observed */
		{{0x1b, 0x02, 0x11, 0x00, 0x00, 0x00}, 1}, /* brighter */
		/* {{0x1b, 0x13, 0x01, 0x00, 0x00, 0x00}, 1}, observed */
		{{0x1b, 0x13, 0x11, 0x00, 0x00, 0x00}, 1},
		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}, /* compresses */
		/* Camera should start to capture now. */
	};

	return run_start_commands(gspca_dev, spy_start_commands,
				  ARRAY_SIZE(spy_start_commands));
}

static int start_cif_cam(struct gspca_dev *gspca_dev)
{
	struct init_command cif_start_commands[] = {
		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
		/* The entire sequence below seems redundant */
		/* {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x22, 0x01, 0x06, 0x00, 0x00}, 4},
		{{0x13, 0x23, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, width?
		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, height?
		{{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
		{{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},*/
		{{0x1b, 0x21, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x17, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x19, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x03, 0x5a, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x04, 0x27, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x05, 0x01, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x12, 0x14, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x14, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x15, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x16, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x77, 0xa2, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x06, 0x0f, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x07, 0x14, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x08, 0x0f, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x09, 0x10, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x0e, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x12, 0x07, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x10, 0x1f, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 1}, /* width/8 */
		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 1}, /* height/8 */
		/* {{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
		 * {{0x13, 0x28, 0x01, 0x1e, 0x00, 0x00}, 4}, does nothing
		 * {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, */
		/* {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
		 * causes subsampling
		 * but not a change in the resolution setting! */
		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2d, 0x01, 0x01, 0x00, 0x00}, 4},
		{{0x13, 0x2e, 0x01, 0x08, 0x00, 0x00}, 4},
		{{0x13, 0x2f, 0x01, 0x06, 0x00, 0x00}, 4},
		{{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x1b, 0x04, 0x6d, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x05, 0x03, 0x00, 0x00, 0x00}, 1},
		{{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x0e, 0x01, 0x00, 0x00, 0x00}, 1},
		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x10, 0x0f, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1},/* use compression */
		/* Camera should start to capture now. */
	};

	return run_start_commands(gspca_dev, cif_start_commands,
				  ARRAY_SIZE(cif_start_commands));
}

static int start_ms350_cam(struct gspca_dev *gspca_dev)
{
	struct init_command ms350_start_commands[] = {
		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
		{{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
		{{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4},
		{{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x00, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x01, 0x70, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x02, 0x05, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x03, 0x5d, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x04, 0x07, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x05, 0x25, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x06, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x07, 0x09, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x08, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x09, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0c, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0d, 0x0c, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0e, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x11, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x13, 0x63, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x15, 0x70, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x18, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x11, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* width  */
		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* height */
		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* vstart? */
		{{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
		{{0x13, 0x29, 0x01, 0x40, 0x00, 0x00}, 4}, /* hstart? */
		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
		{{0x1b, 0x02, 0x05, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
		{{0x20, 0x18, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x02, 0x0a, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 0},
		/* Camera should start to capture now. */
	};

	return run_start_commands(gspca_dev, ms350_start_commands,
				  ARRAY_SIZE(ms350_start_commands));
}

static int start_genius_cam(struct gspca_dev *gspca_dev)
{
	struct init_command genius_start_commands[] = {
		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
		/* "preliminary" width and height settings */
		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
		{{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x25, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x26, 0x02, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x27, 0x88, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x30, 0x38, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x31, 0x2a, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x32, 0x2a, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x33, 0x2a, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x34, 0x02, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x5b, 0x0a, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* real width */
		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* real height */
		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
		{{0x13, 0x29, 0x01, 0x62, 0x00, 0x00}, 4},
		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x21, 0x2a, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x23, 0x28, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x11, 0x04, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x13, 0x03, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x15, 0xe0, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x16, 0x02, 0x00, 0x00, 0x00}, 4},
		{{0x11, 0x17, 0x80, 0x00, 0x00, 0x00}, 4},
		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 0}
		/* Camera should start to capture now. */
	};

	return run_start_commands(gspca_dev, genius_start_commands,
				  ARRAY_SIZE(genius_start_commands));
}

static int start_vivitar_cam(struct gspca_dev *gspca_dev)
{
	struct init_command vivitar_start_commands[] = {
		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x22, 0x01, 0x01, 0x00, 0x00}, 4},
		{{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4},
		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
		{{0x13, 0x28, 0x01, 0x0a, 0x00, 0x00}, 4},
		/*
		 * Above is changed from OEM 0x0b. Fixes Bayer tiling.
		 * Presumably gives a vertical shift of one row.
		 */
		{{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
		/* Above seems to do horizontal shift. */
		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
		/* Above three commands seem to relate to brightness. */
		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x1b, 0x12, 0x80, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x01, 0x77, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x02, 0x3a, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x12, 0x78, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x14, 0x80, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x15, 0x34, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x1b, 0x04, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x20, 0x44, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x23, 0xee, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x26, 0xa0, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x27, 0x9a, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x28, 0xa0, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x2a, 0x80, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x2b, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x2f, 0x3d, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x30, 0x24, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x32, 0x86, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x60, 0xa9, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x61, 0x42, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x65, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x69, 0x38, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x6f, 0x88, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x70, 0x0b, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x71, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x74, 0x21, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x75, 0x86, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x76, 0x00, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x7d, 0xf3, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x17, 0x1c, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x18, 0xc0, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x19, 0x05, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x1a, 0xf6, 0x00, 0x00, 0x00}, 1},
		/* {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
		{{0x13, 0x28, 0x01, 0x0b, 0x00, 0x00}, 4}, */
		{{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x10, 0x26, 0x00, 0x00, 0x00}, 1},
		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x1b, 0x76, 0x03, 0x00, 0x00, 0x00}, 1},
		{{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
		{{0x1b, 0x00, 0x3f, 0x00, 0x00, 0x00}, 1},
		/* Above is brightness; OEM driver setting is 0x10 */
		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
		{{0x20, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}
	};

	return run_start_commands(gspca_dev, vivitar_start_commands,
				  ARRAY_SIZE(vivitar_start_commands));
}

static int sd_start(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int err_code;

	sd->sof_read = 0;

	switch (sd->model) {
	case 0x7005:
		err_code = start_genius_cam(gspca_dev);
		break;
	case 0x8001:
		err_code = start_spy_cam(gspca_dev);
		break;
	case 0x8003:
		err_code = start_cif_cam(gspca_dev);
		break;
	case 0x8008:
		err_code = start_ms350_cam(gspca_dev);
		break;
	case 0x800a:
		err_code = start_vivitar_cam(gspca_dev);
		break;
	default:
		pr_err("Starting unknown camera, please report this\n");
		return -ENXIO;
	}

	return err_code;
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	int result;
	__u8 data[6];

	result = sn9c2028_read1(gspca_dev);
	if (result < 0)
		PDEBUG(D_ERR, "Camera Stop read failed");

	memset(data, 0, 6);
	data[0] = 0x14;
	result = sn9c2028_command(gspca_dev, data);
	if (result < 0)
		PDEBUG(D_ERR, "Camera Stop command failed");
}

/* Include sn9c2028 sof detection functions */
#include "sn9c2028.h"

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			__u8 *data,			/* isoc packet */
			int len)			/* iso packet length */
{
	unsigned char *sof;

	sof = sn9c2028_find_sof(gspca_dev, data, len);
	if (sof) {
		int n;

		/* finish decoding current frame */
		n = sof - data;
		if (n > sizeof sn9c2028_sof_marker)
			n -= sizeof sn9c2028_sof_marker;
		else
			n = 0;
		gspca_frame_add(gspca_dev, LAST_PACKET, data, n);
		/* Start next frame. */
		gspca_frame_add(gspca_dev, FIRST_PACKET,
			sn9c2028_sof_marker, sizeof sn9c2028_sof_marker);
		len -= sof - data;
		data = sof;
	}
	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}

/* sub-driver description */
static const struct sd_desc sd_desc = {
	.name = MODULE_NAME,
	.ctrls = sd_ctrls,
	.nctrls = ARRAY_SIZE(sd_ctrls),
	.config = sd_config,
	.init = sd_init,
	.start = sd_start,
	.stopN = sd_stopN,
	.pkt_scan = sd_pkt_scan,
};

/* -- module initialisation -- */
static const struct usb_device_id device_table[] = {
	{USB_DEVICE(0x0458, 0x7005)}, /* Genius Smart 300, version 2 */
	/* The Genius Smart is untested. I can't find an owner ! */
	/* {USB_DEVICE(0x0c45, 0x8000)}, DC31VC, Don't know this camera */
	{USB_DEVICE(0x0c45, 0x8001)}, /* Wild Planet digital spy cam */
	{USB_DEVICE(0x0c45, 0x8003)}, /* Several small CIF cameras */
	/* {USB_DEVICE(0x0c45, 0x8006)}, Unknown VGA camera */
	{USB_DEVICE(0x0c45, 0x8008)}, /* Mini-Shotz ms-350 */
	{USB_DEVICE(0x0c45, 0x800a)}, /* Vivicam 3350B */
	{}
};
MODULE_DEVICE_TABLE(usb, device_table);

/* -- device connect -- */
static int sd_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
			       THIS_MODULE);
}

static struct usb_driver sd_driver = {
	.name = MODULE_NAME,
	.id_table = device_table,
	.probe = sd_probe,
	.disconnect = gspca_disconnect,
#ifdef CONFIG_PM
	.suspend = gspca_suspend,
	.resume = gspca_resume,
#endif
};

module_usb_driver(sd_driver);