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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 | // SPDX-License-Identifier: GPL-2.0-or-later /* * Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004) * * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define MODULE_NAME "etoms" #include "gspca.h" MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); MODULE_DESCRIPTION("Etoms USB Camera Driver"); MODULE_LICENSE("GPL"); /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ unsigned char autogain; char sensor; #define SENSOR_PAS106 0 #define SENSOR_TAS5130CXX 1 signed char ag_cnt; #define AG_CNT_START 13 }; static const struct v4l2_pix_format vga_mode[] = { {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 320, .sizeimage = 320 * 240, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 1}, /* {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 640, .sizeimage = 640 * 480, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 0}, */ }; static const struct v4l2_pix_format sif_mode[] = { {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 176, .sizeimage = 176 * 144, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 1}, {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 352, .sizeimage = 352 * 288, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 0}, }; #define ETOMS_ALT_SIZE_1000 12 #define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */ #define ET_GPIO_OUT 0x05 /* Only IO data */ #define ET_GPIO_IN 0x06 /* Read Only IO data */ #define ET_RESET_ALL 0x03 #define ET_ClCK 0x01 #define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */ #define ET_COMP 0x12 /* Compression register */ #define ET_MAXQt 0x13 #define ET_MINQt 0x14 #define ET_COMP_VAL0 0x02 #define ET_COMP_VAL1 0x03 #define ET_REG1d 0x1d #define ET_REG1e 0x1e #define ET_REG1f 0x1f #define ET_REG20 0x20 #define ET_REG21 0x21 #define ET_REG22 0x22 #define ET_REG23 0x23 #define ET_REG24 0x24 #define ET_REG25 0x25 /* base registers for luma calculation */ #define ET_LUMA_CENTER 0x39 #define ET_G_RED 0x4d #define ET_G_GREEN1 0x4e #define ET_G_BLUE 0x4f #define ET_G_GREEN2 0x50 #define ET_G_GR_H 0x51 #define ET_G_GB_H 0x52 #define ET_O_RED 0x34 #define ET_O_GREEN1 0x35 #define ET_O_BLUE 0x36 #define ET_O_GREEN2 0x37 #define ET_SYNCHRO 0x68 #define ET_STARTX 0x69 #define ET_STARTY 0x6a #define ET_WIDTH_LOW 0x6b #define ET_HEIGTH_LOW 0x6c #define ET_W_H_HEIGTH 0x6d #define ET_REG6e 0x6e /* OBW */ #define ET_REG6f 0x6f /* OBW */ #define ET_REG70 0x70 /* OBW_AWB */ #define ET_REG71 0x71 /* OBW_AWB */ #define ET_REG72 0x72 /* OBW_AWB */ #define ET_REG73 0x73 /* Clkdelay ns */ #define ET_REG74 0x74 /* test pattern */ #define ET_REG75 0x75 /* test pattern */ #define ET_I2C_CLK 0x8c #define ET_PXL_CLK 0x60 #define ET_I2C_BASE 0x89 #define ET_I2C_COUNT 0x8a #define ET_I2C_PREFETCH 0x8b #define ET_I2C_REG 0x88 #define ET_I2C_DATA7 0x87 #define ET_I2C_DATA6 0x86 #define ET_I2C_DATA5 0x85 #define ET_I2C_DATA4 0x84 #define ET_I2C_DATA3 0x83 #define ET_I2C_DATA2 0x82 #define ET_I2C_DATA1 0x81 #define ET_I2C_DATA0 0x80 #define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */ #define PAS106_REG3 0x03 /* line/frame H [11..4] */ #define PAS106_REG4 0x04 /* line/frame L [3..0] */ #define PAS106_REG5 0x05 /* exposure time line offset(default 5) */ #define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */ #define PAS106_REG7 0x07 /* signbit Dac (default 0) */ #define PAS106_REG9 0x09 #define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */ #define PAS106_REG13 0x13 /* end i2c write */ static const __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; static const __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d }; static const __u8 I2c3[] = { 0x12, 0x05 }; static const __u8 I2c4[] = { 0x41, 0x08 }; /* read 'len' bytes to gspca_dev->usb_buf */ static void reg_r(struct gspca_dev *gspca_dev, __u16 index, __u16 len) { struct usb_device *dev = gspca_dev->dev; if (len > USB_BUF_SZ) { gspca_err(gspca_dev, "reg_r: buffer overflow\n"); return; } usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 0, index, gspca_dev->usb_buf, len, 500); gspca_dbg(gspca_dev, D_USBI, "reg read [%02x] -> %02x ..\n", index, gspca_dev->usb_buf[0]); } static void reg_w_val(struct gspca_dev *gspca_dev, __u16 index, __u8 val) { struct usb_device *dev = gspca_dev->dev; gspca_dev->usb_buf[0] = val; usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 0, index, gspca_dev->usb_buf, 1, 500); } static void reg_w(struct gspca_dev *gspca_dev, __u16 index, const __u8 *buffer, __u16 len) { struct usb_device *dev = gspca_dev->dev; if (len > USB_BUF_SZ) { pr_err("reg_w: buffer overflow\n"); return; } gspca_dbg(gspca_dev, D_USBO, "reg write [%02x] = %02x..\n", index, *buffer); memcpy(gspca_dev->usb_buf, buffer, len); usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 0, index, gspca_dev->usb_buf, len, 500); } static int i2c_w(struct gspca_dev *gspca_dev, __u8 reg, const __u8 *buffer, int len, __u8 mode) { /* buffer should be [D0..D7] */ __u8 ptchcount; /* set the base address */ reg_w_val(gspca_dev, ET_I2C_BASE, 0x40); /* sensor base for the pas106 */ /* set count and prefetch */ ptchcount = ((len & 0x07) << 4) | (mode & 0x03); reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount); /* set the register base */ reg_w_val(gspca_dev, ET_I2C_REG, reg); while (--len >= 0) reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]); return 0; } static int i2c_r(struct gspca_dev *gspca_dev, __u8 reg) { /* set the base address */ reg_w_val(gspca_dev, ET_I2C_BASE, 0x40); /* sensor base for the pas106 */ /* set count and prefetch (cnd: 4 bits - mode: 4 bits) */ reg_w_val(gspca_dev, ET_I2C_COUNT, 0x11); reg_w_val(gspca_dev, ET_I2C_REG, reg); /* set the register base */ reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x02); /* prefetch */ reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x00); reg_r(gspca_dev, ET_I2C_DATA0, 1); /* read one byte */ return 0; } static int Et_WaitStatus(struct gspca_dev *gspca_dev) { int retry = 10; while (retry--) { reg_r(gspca_dev, ET_ClCK, 1); if (gspca_dev->usb_buf[0] != 0) return 1; } return 0; } static int et_video(struct gspca_dev *gspca_dev, int on) { int ret; reg_w_val(gspca_dev, ET_GPIO_OUT, on ? 0x10 /* startvideo - set Bit5 */ : 0); /* stopvideo */ ret = Et_WaitStatus(gspca_dev); if (ret != 0) gspca_err(gspca_dev, "timeout video on/off\n"); return ret; } static void Et_init2(struct gspca_dev *gspca_dev) { __u8 value; static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 }; gspca_dbg(gspca_dev, D_STREAM, "Open Init2 ET\n"); reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 0x2f); reg_w_val(gspca_dev, ET_GPIO_OUT, 0x10); reg_r(gspca_dev, ET_GPIO_IN, 1); reg_w_val(gspca_dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */ reg_w_val(gspca_dev, ET_CTRL, 0x1b); /* compression et subsampling */ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) value = ET_COMP_VAL1; /* 320 */ else value = ET_COMP_VAL0; /* 640 */ reg_w_val(gspca_dev, ET_COMP, value); reg_w_val(gspca_dev, ET_MAXQt, 0x1f); reg_w_val(gspca_dev, ET_MINQt, 0x04); /* undocumented registers */ reg_w_val(gspca_dev, ET_REG1d, 0xff); reg_w_val(gspca_dev, ET_REG1e, 0xff); reg_w_val(gspca_dev, ET_REG1f, 0xff); reg_w_val(gspca_dev, ET_REG20, 0x35); reg_w_val(gspca_dev, ET_REG21, 0x01); reg_w_val(gspca_dev, ET_REG22, 0x00); reg_w_val(gspca_dev, ET_REG23, 0xff); reg_w_val(gspca_dev, ET_REG24, 0xff); reg_w_val(gspca_dev, ET_REG25, 0x0f); /* colors setting */ reg_w_val(gspca_dev, 0x30, 0x11); /* 0x30 */ reg_w_val(gspca_dev, 0x31, 0x40); reg_w_val(gspca_dev, 0x32, 0x00); reg_w_val(gspca_dev, ET_O_RED, 0x00); /* 0x34 */ reg_w_val(gspca_dev, ET_O_GREEN1, 0x00); reg_w_val(gspca_dev, ET_O_BLUE, 0x00); reg_w_val(gspca_dev, ET_O_GREEN2, 0x00); /*************/ reg_w_val(gspca_dev, ET_G_RED, 0x80); /* 0x4d */ reg_w_val(gspca_dev, ET_G_GREEN1, 0x80); reg_w_val(gspca_dev, ET_G_BLUE, 0x80); reg_w_val(gspca_dev, ET_G_GREEN2, 0x80); reg_w_val(gspca_dev, ET_G_GR_H, 0x00); reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* 0x52 */ /* Window control registers */ reg_w_val(gspca_dev, 0x61, 0x80); /* use cmc_out */ reg_w_val(gspca_dev, 0x62, 0x02); reg_w_val(gspca_dev, 0x63, 0x03); reg_w_val(gspca_dev, 0x64, 0x14); reg_w_val(gspca_dev, 0x65, 0x0e); reg_w_val(gspca_dev, 0x66, 0x02); reg_w_val(gspca_dev, 0x67, 0x02); /**************************************/ reg_w_val(gspca_dev, ET_SYNCHRO, 0x8f); /* 0x68 */ reg_w_val(gspca_dev, ET_STARTX, 0x69); /* 0x6a //0x69 */ reg_w_val(gspca_dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */ reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x80); reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0xe0); reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x60); /* 6d */ reg_w_val(gspca_dev, ET_REG6e, 0x86); reg_w_val(gspca_dev, ET_REG6f, 0x01); reg_w_val(gspca_dev, ET_REG70, 0x26); reg_w_val(gspca_dev, ET_REG71, 0x7a); reg_w_val(gspca_dev, ET_REG72, 0x01); /* Clock Pattern registers ***************** */ reg_w_val(gspca_dev, ET_REG73, 0x00); reg_w_val(gspca_dev, ET_REG74, 0x18); /* 0x28 */ reg_w_val(gspca_dev, ET_REG75, 0x0f); /* 0x01 */ /**********************************************/ reg_w_val(gspca_dev, 0x8a, 0x20); reg_w_val(gspca_dev, 0x8d, 0x0f); reg_w_val(gspca_dev, 0x8e, 0x08); /**************************************/ reg_w_val(gspca_dev, 0x03, 0x08); reg_w_val(gspca_dev, ET_PXL_CLK, 0x03); reg_w_val(gspca_dev, 0x81, 0xff); reg_w_val(gspca_dev, 0x80, 0x00); reg_w_val(gspca_dev, 0x81, 0xff); reg_w_val(gspca_dev, 0x80, 0x20); reg_w_val(gspca_dev, 0x03, 0x01); reg_w_val(gspca_dev, 0x03, 0x00); reg_w_val(gspca_dev, 0x03, 0x08); /********************************************/ /* reg_r(gspca_dev, ET_I2C_BASE, 1); always 0x40 as the pas106 ??? */ /* set the sensor */ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) value = 0x04; /* 320 */ else /* 640 */ value = 0x1e; /* 0x17 * setting PixelClock * 0x03 mean 24/(3+1) = 6 Mhz * 0x05 -> 24/(5+1) = 4 Mhz * 0x0b -> 24/(11+1) = 2 Mhz * 0x17 -> 24/(23+1) = 1 Mhz */ reg_w_val(gspca_dev, ET_PXL_CLK, value); /* now set by fifo the FormatLine setting */ reg_w(gspca_dev, 0x62, FormLine, 6); /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */ reg_w_val(gspca_dev, 0x81, 0x47); /* 0x47; */ reg_w_val(gspca_dev, 0x80, 0x40); /* 0x40; */ /* Pedro change */ /* Brightness change Brith+ decrease value */ /* Brigth- increase value */ /* original value = 0x70; */ reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */ reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */ } static void setbrightness(struct gspca_dev *gspca_dev, s32 val) { int i; for (i = 0; i < 4; i++) reg_w_val(gspca_dev, ET_O_RED + i, val); } static void setcontrast(struct gspca_dev *gspca_dev, s32 val) { __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; memset(RGBG, val, sizeof(RGBG) - 2); reg_w(gspca_dev, ET_G_RED, RGBG, 6); } static void setcolors(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d }; __u8 i2cflags = 0x01; /* __u8 green = 0; */ I2cc[3] = val; /* red */ I2cc[0] = 15 - val; /* blue */ /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */ /* I2cc[1] = I2cc[2] = green; */ if (sd->sensor == SENSOR_PAS106) { i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3); i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1); } } static s32 getcolors(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; if (sd->sensor == SENSOR_PAS106) { /* i2c_r(gspca_dev, PAS106_REG9); * blue */ i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */ return gspca_dev->usb_buf[0] & 0x0f; } return 0; } static void setautogain(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; if (sd->autogain) sd->ag_cnt = AG_CNT_START; else sd->ag_cnt = -1; } static void Et_init1(struct gspca_dev *gspca_dev) { __u8 value; /* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0x22, 0xac, 0x00, 0x01, 0x00}; */ __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 }; /* try 1/120 0x6d 0xcd 0x40 */ /* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0xfe, 0xfe, 0xc0, 0x01, 0x00}; * 1/60000 hmm ?? */ gspca_dbg(gspca_dev, D_STREAM, "Open Init1 ET\n\n"); reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 7); reg_r(gspca_dev, ET_GPIO_IN, 1); reg_w_val(gspca_dev, ET_RESET_ALL, 1); reg_w_val(gspca_dev, ET_RESET_ALL, 0); reg_w_val(gspca_dev, ET_ClCK, 0x10); reg_w_val(gspca_dev, ET_CTRL, 0x19); /* compression et subsampling */ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) value = ET_COMP_VAL1; else value = ET_COMP_VAL0; gspca_dbg(gspca_dev, D_STREAM, "Open mode %d Compression %d\n", gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv, value); reg_w_val(gspca_dev, ET_COMP, value); reg_w_val(gspca_dev, ET_MAXQt, 0x1d); reg_w_val(gspca_dev, ET_MINQt, 0x02); /* undocumented registers */ reg_w_val(gspca_dev, ET_REG1d, 0xff); reg_w_val(gspca_dev, ET_REG1e, 0xff); reg_w_val(gspca_dev, ET_REG1f, 0xff); reg_w_val(gspca_dev, ET_REG20, 0x35); reg_w_val(gspca_dev, ET_REG21, 0x01); reg_w_val(gspca_dev, ET_REG22, 0x00); reg_w_val(gspca_dev, ET_REG23, 0xf7); reg_w_val(gspca_dev, ET_REG24, 0xff); reg_w_val(gspca_dev, ET_REG25, 0x07); /* colors setting */ reg_w_val(gspca_dev, ET_G_RED, 0x80); reg_w_val(gspca_dev, ET_G_GREEN1, 0x80); reg_w_val(gspca_dev, ET_G_BLUE, 0x80); reg_w_val(gspca_dev, ET_G_GREEN2, 0x80); reg_w_val(gspca_dev, ET_G_GR_H, 0x00); reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* Window control registers */ reg_w_val(gspca_dev, ET_SYNCHRO, 0xf0); reg_w_val(gspca_dev, ET_STARTX, 0x56); /* 0x56 */ reg_w_val(gspca_dev, ET_STARTY, 0x05); /* 0x04 */ reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x60); reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0x20); reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x50); reg_w_val(gspca_dev, ET_REG6e, 0x86); reg_w_val(gspca_dev, ET_REG6f, 0x01); reg_w_val(gspca_dev, ET_REG70, 0x86); reg_w_val(gspca_dev, ET_REG71, 0x14); reg_w_val(gspca_dev, ET_REG72, 0x00); /* Clock Pattern registers */ reg_w_val(gspca_dev, ET_REG73, 0x00); reg_w_val(gspca_dev, ET_REG74, 0x00); reg_w_val(gspca_dev, ET_REG75, 0x0a); reg_w_val(gspca_dev, ET_I2C_CLK, 0x04); reg_w_val(gspca_dev, ET_PXL_CLK, 0x01); /* set the sensor */ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { I2c0[0] = 0x06; i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1); i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1); value = 0x06; i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1); i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1); /* value = 0x1f; */ value = 0x04; i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1); } else { I2c0[0] = 0x0a; i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1); i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1); value = 0x0a; i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1); i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1); value = 0x04; /* value = 0x10; */ i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1); /* bit 2 enable bit 1:2 select 0 1 2 3 value = 0x07; * curve 0 * i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1); */ } /* value = 0x01; */ /* value = 0x22; */ /* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */ /* magnetude and sign bit for DAC */ i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1); /* now set by fifo the whole colors setting */ reg_w(gspca_dev, ET_G_RED, GainRGBG, 6); setcolors(gspca_dev, getcolors(gspca_dev)); } /* 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; cam = &gspca_dev->cam; sd->sensor = id->driver_info; if (sd->sensor == SENSOR_PAS106) { cam->cam_mode = sif_mode; cam->nmodes = ARRAY_SIZE(sif_mode); } else { cam->cam_mode = vga_mode; cam->nmodes = ARRAY_SIZE(vga_mode); } sd->ag_cnt = -1; return 0; } /* this function is called at probe and resume time */ static int sd_init(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; if (sd->sensor == SENSOR_PAS106) Et_init1(gspca_dev); else Et_init2(gspca_dev); reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); et_video(gspca_dev, 0); /* video off */ return 0; } /* -- start the camera -- */ static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; if (sd->sensor == SENSOR_PAS106) Et_init1(gspca_dev); else Et_init2(gspca_dev); setautogain(gspca_dev); reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); et_video(gspca_dev, 1); /* video on */ return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) { et_video(gspca_dev, 0); /* video off */ } static __u8 Et_getgainG(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; if (sd->sensor == SENSOR_PAS106) { i2c_r(gspca_dev, PAS106_REG0e); gspca_dbg(gspca_dev, D_CONF, "Etoms gain G %d\n", gspca_dev->usb_buf[0]); return gspca_dev->usb_buf[0]; } return 0x1f; } static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain) { struct sd *sd = (struct sd *) gspca_dev; if (sd->sensor == SENSOR_PAS106) { __u8 i2cflags = 0x01; i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3); i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1); } } #define BLIMIT(bright) \ (u8)((bright > 0x1f) ? 0x1f : ((bright < 4) ? 3 : bright)) #define LIMIT(color) \ (u8)((color > 0xff) ? 0xff : ((color < 0) ? 0 : color)) static void do_autogain(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; __u8 luma; __u8 luma_mean = 128; __u8 luma_delta = 20; __u8 spring = 4; int Gbright; __u8 r, g, b; if (sd->ag_cnt < 0) return; if (--sd->ag_cnt >= 0) return; sd->ag_cnt = AG_CNT_START; Gbright = Et_getgainG(gspca_dev); reg_r(gspca_dev, ET_LUMA_CENTER, 4); g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1; r = gspca_dev->usb_buf[1]; b = gspca_dev->usb_buf[2]; r = ((r << 8) - (r << 4) - (r << 3)) >> 10; b = ((b << 7) >> 10); g = ((g << 9) + (g << 7) + (g << 5)) >> 10; luma = LIMIT(r + g + b); gspca_dbg(gspca_dev, D_FRAM, "Etoms luma G %d\n", luma); if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) { Gbright += (luma_mean - luma) >> spring; Gbright = BLIMIT(Gbright); gspca_dbg(gspca_dev, D_FRAM, "Etoms Gbright %d\n", Gbright); Et_setgainG(gspca_dev, (__u8) Gbright); } } #undef BLIMIT #undef LIMIT static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, /* isoc packet */ int len) /* iso packet length */ { int seqframe; seqframe = data[0] & 0x3f; len = (int) (((data[0] & 0xc0) << 2) | data[1]); if (seqframe == 0x3f) { gspca_dbg(gspca_dev, D_FRAM, "header packet found datalength %d !!\n", len); gspca_dbg(gspca_dev, D_FRAM, "G %d R %d G %d B %d", data[2], data[3], data[4], data[5]); data += 30; /* don't change datalength as the chips provided it */ gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); return; } if (len) { data += 8; gspca_frame_add(gspca_dev, INTER_PACKET, data, len); } else { /* Drop Packet */ gspca_dev->last_packet_type = DISCARD_PACKET; } } static int sd_s_ctrl(struct v4l2_ctrl *ctrl) { struct gspca_dev *gspca_dev = container_of(ctrl->handler, struct gspca_dev, ctrl_handler); struct sd *sd = (struct sd *)gspca_dev; gspca_dev->usb_err = 0; if (!gspca_dev->streaming) return 0; switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: setbrightness(gspca_dev, ctrl->val); break; case V4L2_CID_CONTRAST: setcontrast(gspca_dev, ctrl->val); break; case V4L2_CID_SATURATION: setcolors(gspca_dev, ctrl->val); break; case V4L2_CID_AUTOGAIN: sd->autogain = ctrl->val; setautogain(gspca_dev); break; } return gspca_dev->usb_err; } static const struct v4l2_ctrl_ops sd_ctrl_ops = { .s_ctrl = sd_s_ctrl, }; static int sd_init_controls(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *)gspca_dev; struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; gspca_dev->vdev.ctrl_handler = hdl; v4l2_ctrl_handler_init(hdl, 4); v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_BRIGHTNESS, 1, 127, 1, 63); v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_CONTRAST, 0, 255, 1, 127); if (sd->sensor == SENSOR_PAS106) v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_SATURATION, 0, 15, 1, 7); v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_AUTOGAIN, 0, 1, 1, 1); if (hdl->error) { pr_err("Could not initialize controls\n"); return hdl->error; } return 0; } /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, .config = sd_config, .init = sd_init, .init_controls = sd_init_controls, .start = sd_start, .stopN = sd_stopN, .pkt_scan = sd_pkt_scan, .dq_callback = do_autogain, }; /* -- module initialisation -- */ static const struct usb_device_id device_table[] = { {USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106}, {USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX}, {} }; 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, .reset_resume = gspca_resume, #endif }; module_usb_driver(sd_driver); |