Loading...
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 | // SPDX-License-Identifier: GPL-2.0-only /* * vs6624.c ST VS6624 CMOS image sensor driver * * Copyright (c) 2011 Analog Devices Inc. */ #include <linux/delay.h> #include <linux/errno.h> #include <linux/gpio.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/types.h> #include <linux/videodev2.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-mediabus.h> #include <media/v4l2-image-sizes.h> #include "vs6624_regs.h" #define MAX_FRAME_RATE 30 struct vs6624 { struct v4l2_subdev sd; struct v4l2_ctrl_handler hdl; struct v4l2_fract frame_rate; struct v4l2_mbus_framefmt fmt; unsigned ce_pin; }; static const struct vs6624_format { u32 mbus_code; enum v4l2_colorspace colorspace; } vs6624_formats[] = { { .mbus_code = MEDIA_BUS_FMT_UYVY8_2X8, .colorspace = V4L2_COLORSPACE_JPEG, }, { .mbus_code = MEDIA_BUS_FMT_YUYV8_2X8, .colorspace = V4L2_COLORSPACE_JPEG, }, { .mbus_code = MEDIA_BUS_FMT_RGB565_2X8_LE, .colorspace = V4L2_COLORSPACE_SRGB, }, }; static const struct v4l2_mbus_framefmt vs6624_default_fmt = { .width = VGA_WIDTH, .height = VGA_HEIGHT, .code = MEDIA_BUS_FMT_UYVY8_2X8, .field = V4L2_FIELD_NONE, .colorspace = V4L2_COLORSPACE_JPEG, }; static const u16 vs6624_p1[] = { 0x8104, 0x03, 0x8105, 0x01, 0xc900, 0x03, 0xc904, 0x47, 0xc905, 0x10, 0xc906, 0x80, 0xc907, 0x3a, 0x903a, 0x02, 0x903b, 0x47, 0x903c, 0x15, 0xc908, 0x31, 0xc909, 0xdc, 0xc90a, 0x80, 0xc90b, 0x44, 0x9044, 0x02, 0x9045, 0x31, 0x9046, 0xe2, 0xc90c, 0x07, 0xc90d, 0xe0, 0xc90e, 0x80, 0xc90f, 0x47, 0x9047, 0x90, 0x9048, 0x83, 0x9049, 0x81, 0x904a, 0xe0, 0x904b, 0x60, 0x904c, 0x08, 0x904d, 0x90, 0x904e, 0xc0, 0x904f, 0x43, 0x9050, 0x74, 0x9051, 0x01, 0x9052, 0xf0, 0x9053, 0x80, 0x9054, 0x05, 0x9055, 0xE4, 0x9056, 0x90, 0x9057, 0xc0, 0x9058, 0x43, 0x9059, 0xf0, 0x905a, 0x02, 0x905b, 0x07, 0x905c, 0xec, 0xc910, 0x5d, 0xc911, 0xca, 0xc912, 0x80, 0xc913, 0x5d, 0x905d, 0xa3, 0x905e, 0x04, 0x905f, 0xf0, 0x9060, 0xa3, 0x9061, 0x04, 0x9062, 0xf0, 0x9063, 0x22, 0xc914, 0x72, 0xc915, 0x92, 0xc916, 0x80, 0xc917, 0x64, 0x9064, 0x74, 0x9065, 0x01, 0x9066, 0x02, 0x9067, 0x72, 0x9068, 0x95, 0xc918, 0x47, 0xc919, 0xf2, 0xc91a, 0x81, 0xc91b, 0x69, 0x9169, 0x74, 0x916a, 0x02, 0x916b, 0xf0, 0x916c, 0xec, 0x916d, 0xb4, 0x916e, 0x10, 0x916f, 0x0a, 0x9170, 0x90, 0x9171, 0x80, 0x9172, 0x16, 0x9173, 0xe0, 0x9174, 0x70, 0x9175, 0x04, 0x9176, 0x90, 0x9177, 0xd3, 0x9178, 0xc4, 0x9179, 0xf0, 0x917a, 0x22, 0xc91c, 0x0a, 0xc91d, 0xbe, 0xc91e, 0x80, 0xc91f, 0x73, 0x9073, 0xfc, 0x9074, 0xa3, 0x9075, 0xe0, 0x9076, 0xf5, 0x9077, 0x82, 0x9078, 0x8c, 0x9079, 0x83, 0x907a, 0xa3, 0x907b, 0xa3, 0x907c, 0xe0, 0x907d, 0xfc, 0x907e, 0xa3, 0x907f, 0xe0, 0x9080, 0xc3, 0x9081, 0x9f, 0x9082, 0xff, 0x9083, 0xec, 0x9084, 0x9e, 0x9085, 0xfe, 0x9086, 0x02, 0x9087, 0x0a, 0x9088, 0xea, 0xc920, 0x47, 0xc921, 0x38, 0xc922, 0x80, 0xc923, 0x89, 0x9089, 0xec, 0x908a, 0xd3, 0x908b, 0x94, 0x908c, 0x20, 0x908d, 0x40, 0x908e, 0x01, 0x908f, 0x1c, 0x9090, 0x90, 0x9091, 0xd3, 0x9092, 0xd4, 0x9093, 0xec, 0x9094, 0xf0, 0x9095, 0x02, 0x9096, 0x47, 0x9097, 0x3d, 0xc924, 0x45, 0xc925, 0xca, 0xc926, 0x80, 0xc927, 0x98, 0x9098, 0x12, 0x9099, 0x77, 0x909a, 0xd6, 0x909b, 0x02, 0x909c, 0x45, 0x909d, 0xcd, 0xc928, 0x20, 0xc929, 0xd5, 0xc92a, 0x80, 0xc92b, 0x9e, 0x909e, 0x90, 0x909f, 0x82, 0x90a0, 0x18, 0x90a1, 0xe0, 0x90a2, 0xb4, 0x90a3, 0x03, 0x90a4, 0x0e, 0x90a5, 0x90, 0x90a6, 0x83, 0x90a7, 0xbf, 0x90a8, 0xe0, 0x90a9, 0x60, 0x90aa, 0x08, 0x90ab, 0x90, 0x90ac, 0x81, 0x90ad, 0xfc, 0x90ae, 0xe0, 0x90af, 0xff, 0x90b0, 0xc3, 0x90b1, 0x13, 0x90b2, 0xf0, 0x90b3, 0x90, 0x90b4, 0x81, 0x90b5, 0xfc, 0x90b6, 0xe0, 0x90b7, 0xff, 0x90b8, 0x02, 0x90b9, 0x20, 0x90ba, 0xda, 0xc92c, 0x70, 0xc92d, 0xbc, 0xc92e, 0x80, 0xc92f, 0xbb, 0x90bb, 0x90, 0x90bc, 0x82, 0x90bd, 0x18, 0x90be, 0xe0, 0x90bf, 0xb4, 0x90c0, 0x03, 0x90c1, 0x06, 0x90c2, 0x90, 0x90c3, 0xc1, 0x90c4, 0x06, 0x90c5, 0x74, 0x90c6, 0x05, 0x90c7, 0xf0, 0x90c8, 0x90, 0x90c9, 0xd3, 0x90ca, 0xa0, 0x90cb, 0x02, 0x90cc, 0x70, 0x90cd, 0xbf, 0xc930, 0x72, 0xc931, 0x21, 0xc932, 0x81, 0xc933, 0x3b, 0x913b, 0x7d, 0x913c, 0x02, 0x913d, 0x7f, 0x913e, 0x7b, 0x913f, 0x02, 0x9140, 0x72, 0x9141, 0x25, 0xc934, 0x28, 0xc935, 0xae, 0xc936, 0x80, 0xc937, 0xd2, 0x90d2, 0xf0, 0x90d3, 0x90, 0x90d4, 0xd2, 0x90d5, 0x0a, 0x90d6, 0x02, 0x90d7, 0x28, 0x90d8, 0xb4, 0xc938, 0x28, 0xc939, 0xb1, 0xc93a, 0x80, 0xc93b, 0xd9, 0x90d9, 0x90, 0x90da, 0x83, 0x90db, 0xba, 0x90dc, 0xe0, 0x90dd, 0xff, 0x90de, 0x90, 0x90df, 0xd2, 0x90e0, 0x08, 0x90e1, 0xe0, 0x90e2, 0xe4, 0x90e3, 0xef, 0x90e4, 0xf0, 0x90e5, 0xa3, 0x90e6, 0xe0, 0x90e7, 0x74, 0x90e8, 0xff, 0x90e9, 0xf0, 0x90ea, 0x90, 0x90eb, 0xd2, 0x90ec, 0x0a, 0x90ed, 0x02, 0x90ee, 0x28, 0x90ef, 0xb4, 0xc93c, 0x29, 0xc93d, 0x79, 0xc93e, 0x80, 0xc93f, 0xf0, 0x90f0, 0xf0, 0x90f1, 0x90, 0x90f2, 0xd2, 0x90f3, 0x0e, 0x90f4, 0x02, 0x90f5, 0x29, 0x90f6, 0x7f, 0xc940, 0x29, 0xc941, 0x7c, 0xc942, 0x80, 0xc943, 0xf7, 0x90f7, 0x90, 0x90f8, 0x83, 0x90f9, 0xba, 0x90fa, 0xe0, 0x90fb, 0xff, 0x90fc, 0x90, 0x90fd, 0xd2, 0x90fe, 0x0c, 0x90ff, 0xe0, 0x9100, 0xe4, 0x9101, 0xef, 0x9102, 0xf0, 0x9103, 0xa3, 0x9104, 0xe0, 0x9105, 0x74, 0x9106, 0xff, 0x9107, 0xf0, 0x9108, 0x90, 0x9109, 0xd2, 0x910a, 0x0e, 0x910b, 0x02, 0x910c, 0x29, 0x910d, 0x7f, 0xc944, 0x2a, 0xc945, 0x42, 0xc946, 0x81, 0xc947, 0x0e, 0x910e, 0xf0, 0x910f, 0x90, 0x9110, 0xd2, 0x9111, 0x12, 0x9112, 0x02, 0x9113, 0x2a, 0x9114, 0x48, 0xc948, 0x2a, 0xc949, 0x45, 0xc94a, 0x81, 0xc94b, 0x15, 0x9115, 0x90, 0x9116, 0x83, 0x9117, 0xba, 0x9118, 0xe0, 0x9119, 0xff, 0x911a, 0x90, 0x911b, 0xd2, 0x911c, 0x10, 0x911d, 0xe0, 0x911e, 0xe4, 0x911f, 0xef, 0x9120, 0xf0, 0x9121, 0xa3, 0x9122, 0xe0, 0x9123, 0x74, 0x9124, 0xff, 0x9125, 0xf0, 0x9126, 0x90, 0x9127, 0xd2, 0x9128, 0x12, 0x9129, 0x02, 0x912a, 0x2a, 0x912b, 0x48, 0xc900, 0x01, 0x0000, 0x00, }; static const u16 vs6624_p2[] = { 0x806f, 0x01, 0x058c, 0x01, 0x0000, 0x00, }; static const u16 vs6624_run_setup[] = { 0x1d18, 0x00, /* Enableconstrainedwhitebalance */ VS6624_PEAK_MIN_OUT_G_MSB, 0x3c, /* Damper PeakGain Output MSB */ VS6624_PEAK_MIN_OUT_G_LSB, 0x66, /* Damper PeakGain Output LSB */ VS6624_CM_LOW_THR_MSB, 0x65, /* Damper Low MSB */ VS6624_CM_LOW_THR_LSB, 0xd1, /* Damper Low LSB */ VS6624_CM_HIGH_THR_MSB, 0x66, /* Damper High MSB */ VS6624_CM_HIGH_THR_LSB, 0x62, /* Damper High LSB */ VS6624_CM_MIN_OUT_MSB, 0x00, /* Damper Min output MSB */ VS6624_CM_MIN_OUT_LSB, 0x00, /* Damper Min output LSB */ VS6624_NORA_DISABLE, 0x00, /* Nora fDisable */ VS6624_NORA_USAGE, 0x04, /* Nora usage */ VS6624_NORA_LOW_THR_MSB, 0x63, /* Damper Low MSB Changed 0x63 to 0x65 */ VS6624_NORA_LOW_THR_LSB, 0xd1, /* Damper Low LSB */ VS6624_NORA_HIGH_THR_MSB, 0x68, /* Damper High MSB */ VS6624_NORA_HIGH_THR_LSB, 0xdd, /* Damper High LSB */ VS6624_NORA_MIN_OUT_MSB, 0x3a, /* Damper Min output MSB */ VS6624_NORA_MIN_OUT_LSB, 0x00, /* Damper Min output LSB */ VS6624_F2B_DISABLE, 0x00, /* Disable */ 0x1d8a, 0x30, /* MAXWeightHigh */ 0x1d91, 0x62, /* fpDamperLowThresholdHigh MSB */ 0x1d92, 0x4a, /* fpDamperLowThresholdHigh LSB */ 0x1d95, 0x65, /* fpDamperHighThresholdHigh MSB */ 0x1d96, 0x0e, /* fpDamperHighThresholdHigh LSB */ 0x1da1, 0x3a, /* fpMinimumDamperOutputLow MSB */ 0x1da2, 0xb8, /* fpMinimumDamperOutputLow LSB */ 0x1e08, 0x06, /* MAXWeightLow */ 0x1e0a, 0x0a, /* MAXWeightHigh */ 0x1601, 0x3a, /* Red A MSB */ 0x1602, 0x14, /* Red A LSB */ 0x1605, 0x3b, /* Blue A MSB */ 0x1606, 0x85, /* BLue A LSB */ 0x1609, 0x3b, /* RED B MSB */ 0x160a, 0x85, /* RED B LSB */ 0x160d, 0x3a, /* Blue B MSB */ 0x160e, 0x14, /* Blue B LSB */ 0x1611, 0x30, /* Max Distance from Locus MSB */ 0x1612, 0x8f, /* Max Distance from Locus MSB */ 0x1614, 0x01, /* Enable constrainer */ 0x0000, 0x00, }; static const u16 vs6624_default[] = { VS6624_CONTRAST0, 0x84, VS6624_SATURATION0, 0x75, VS6624_GAMMA0, 0x11, VS6624_CONTRAST1, 0x84, VS6624_SATURATION1, 0x75, VS6624_GAMMA1, 0x11, VS6624_MAN_RG, 0x80, VS6624_MAN_GG, 0x80, VS6624_MAN_BG, 0x80, VS6624_WB_MODE, 0x1, VS6624_EXPO_COMPENSATION, 0xfe, VS6624_EXPO_METER, 0x0, VS6624_LIGHT_FREQ, 0x64, VS6624_PEAK_GAIN, 0xe, VS6624_PEAK_LOW_THR, 0x28, VS6624_HMIRROR0, 0x0, VS6624_VFLIP0, 0x0, VS6624_ZOOM_HSTEP0_MSB, 0x0, VS6624_ZOOM_HSTEP0_LSB, 0x1, VS6624_ZOOM_VSTEP0_MSB, 0x0, VS6624_ZOOM_VSTEP0_LSB, 0x1, VS6624_PAN_HSTEP0_MSB, 0x0, VS6624_PAN_HSTEP0_LSB, 0xf, VS6624_PAN_VSTEP0_MSB, 0x0, VS6624_PAN_VSTEP0_LSB, 0xf, VS6624_SENSOR_MODE, 0x1, VS6624_SYNC_CODE_SETUP, 0x21, VS6624_DISABLE_FR_DAMPER, 0x0, VS6624_FR_DEN, 0x1, VS6624_FR_NUM_LSB, 0xf, VS6624_INIT_PIPE_SETUP, 0x0, VS6624_IMG_FMT0, 0x0, VS6624_YUV_SETUP, 0x1, VS6624_IMAGE_SIZE0, 0x2, 0x0000, 0x00, }; static inline struct vs6624 *to_vs6624(struct v4l2_subdev *sd) { return container_of(sd, struct vs6624, sd); } static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) { return &container_of(ctrl->handler, struct vs6624, hdl)->sd; } #ifdef CONFIG_VIDEO_ADV_DEBUG static int vs6624_read(struct v4l2_subdev *sd, u16 index) { struct i2c_client *client = v4l2_get_subdevdata(sd); u8 buf[2]; buf[0] = index >> 8; buf[1] = index; i2c_master_send(client, buf, 2); i2c_master_recv(client, buf, 1); return buf[0]; } #endif static int vs6624_write(struct v4l2_subdev *sd, u16 index, u8 value) { struct i2c_client *client = v4l2_get_subdevdata(sd); u8 buf[3]; buf[0] = index >> 8; buf[1] = index; buf[2] = value; return i2c_master_send(client, buf, 3); } static int vs6624_writeregs(struct v4l2_subdev *sd, const u16 *regs) { u16 reg; u8 data; while (*regs != 0x00) { reg = *regs++; data = *regs++; vs6624_write(sd, reg, data); } return 0; } static int vs6624_s_ctrl(struct v4l2_ctrl *ctrl) { struct v4l2_subdev *sd = to_sd(ctrl); switch (ctrl->id) { case V4L2_CID_CONTRAST: vs6624_write(sd, VS6624_CONTRAST0, ctrl->val); break; case V4L2_CID_SATURATION: vs6624_write(sd, VS6624_SATURATION0, ctrl->val); break; case V4L2_CID_HFLIP: vs6624_write(sd, VS6624_HMIRROR0, ctrl->val); break; case V4L2_CID_VFLIP: vs6624_write(sd, VS6624_VFLIP0, ctrl->val); break; default: return -EINVAL; } return 0; } static int vs6624_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { if (code->pad || code->index >= ARRAY_SIZE(vs6624_formats)) return -EINVAL; code->code = vs6624_formats[code->index].mbus_code; return 0; } static int vs6624_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *fmt = &format->format; struct vs6624 *sensor = to_vs6624(sd); int index; if (format->pad) return -EINVAL; for (index = 0; index < ARRAY_SIZE(vs6624_formats); index++) if (vs6624_formats[index].mbus_code == fmt->code) break; if (index >= ARRAY_SIZE(vs6624_formats)) { /* default to first format */ index = 0; fmt->code = vs6624_formats[0].mbus_code; } /* sensor mode is VGA */ if (fmt->width > VGA_WIDTH) fmt->width = VGA_WIDTH; if (fmt->height > VGA_HEIGHT) fmt->height = VGA_HEIGHT; fmt->width = fmt->width & (~3); fmt->height = fmt->height & (~3); fmt->field = V4L2_FIELD_NONE; fmt->colorspace = vs6624_formats[index].colorspace; if (format->which == V4L2_SUBDEV_FORMAT_TRY) { sd_state->pads->try_fmt = *fmt; return 0; } /* set image format */ switch (fmt->code) { case MEDIA_BUS_FMT_UYVY8_2X8: vs6624_write(sd, VS6624_IMG_FMT0, 0x0); vs6624_write(sd, VS6624_YUV_SETUP, 0x1); break; case MEDIA_BUS_FMT_YUYV8_2X8: vs6624_write(sd, VS6624_IMG_FMT0, 0x0); vs6624_write(sd, VS6624_YUV_SETUP, 0x3); break; case MEDIA_BUS_FMT_RGB565_2X8_LE: vs6624_write(sd, VS6624_IMG_FMT0, 0x4); vs6624_write(sd, VS6624_RGB_SETUP, 0x0); break; default: return -EINVAL; } /* set image size */ if ((fmt->width == VGA_WIDTH) && (fmt->height == VGA_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x2); else if ((fmt->width == QVGA_WIDTH) && (fmt->height == QVGA_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x4); else if ((fmt->width == QQVGA_WIDTH) && (fmt->height == QQVGA_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x6); else if ((fmt->width == CIF_WIDTH) && (fmt->height == CIF_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x3); else if ((fmt->width == QCIF_WIDTH) && (fmt->height == QCIF_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x5); else if ((fmt->width == QQCIF_WIDTH) && (fmt->height == QQCIF_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x7); else { vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x8); vs6624_write(sd, VS6624_MAN_HSIZE0_MSB, fmt->width >> 8); vs6624_write(sd, VS6624_MAN_HSIZE0_LSB, fmt->width & 0xFF); vs6624_write(sd, VS6624_MAN_VSIZE0_MSB, fmt->height >> 8); vs6624_write(sd, VS6624_MAN_VSIZE0_LSB, fmt->height & 0xFF); vs6624_write(sd, VS6624_CROP_CTRL0, 0x1); } sensor->fmt = *fmt; return 0; } static int vs6624_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { struct vs6624 *sensor = to_vs6624(sd); if (format->pad) return -EINVAL; format->format = sensor->fmt; return 0; } static int vs6624_g_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *ival) { struct vs6624 *sensor = to_vs6624(sd); ival->interval.numerator = sensor->frame_rate.denominator; ival->interval.denominator = sensor->frame_rate.numerator; return 0; } static int vs6624_s_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *ival) { struct vs6624 *sensor = to_vs6624(sd); struct v4l2_fract *tpf = &ival->interval; if (tpf->numerator == 0 || tpf->denominator == 0 || (tpf->denominator > tpf->numerator * MAX_FRAME_RATE)) { /* reset to max frame rate */ tpf->numerator = 1; tpf->denominator = MAX_FRAME_RATE; } sensor->frame_rate.numerator = tpf->denominator; sensor->frame_rate.denominator = tpf->numerator; vs6624_write(sd, VS6624_DISABLE_FR_DAMPER, 0x0); vs6624_write(sd, VS6624_FR_NUM_MSB, sensor->frame_rate.numerator >> 8); vs6624_write(sd, VS6624_FR_NUM_LSB, sensor->frame_rate.numerator & 0xFF); vs6624_write(sd, VS6624_FR_DEN, sensor->frame_rate.denominator & 0xFF); return 0; } static int vs6624_s_stream(struct v4l2_subdev *sd, int enable) { if (enable) vs6624_write(sd, VS6624_USER_CMD, 0x2); else vs6624_write(sd, VS6624_USER_CMD, 0x4); udelay(100); return 0; } #ifdef CONFIG_VIDEO_ADV_DEBUG static int vs6624_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { reg->val = vs6624_read(sd, reg->reg & 0xffff); reg->size = 1; return 0; } static int vs6624_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { vs6624_write(sd, reg->reg & 0xffff, reg->val & 0xff); return 0; } #endif static const struct v4l2_ctrl_ops vs6624_ctrl_ops = { .s_ctrl = vs6624_s_ctrl, }; static const struct v4l2_subdev_core_ops vs6624_core_ops = { #ifdef CONFIG_VIDEO_ADV_DEBUG .g_register = vs6624_g_register, .s_register = vs6624_s_register, #endif }; static const struct v4l2_subdev_video_ops vs6624_video_ops = { .s_frame_interval = vs6624_s_frame_interval, .g_frame_interval = vs6624_g_frame_interval, .s_stream = vs6624_s_stream, }; static const struct v4l2_subdev_pad_ops vs6624_pad_ops = { .enum_mbus_code = vs6624_enum_mbus_code, .get_fmt = vs6624_get_fmt, .set_fmt = vs6624_set_fmt, }; static const struct v4l2_subdev_ops vs6624_ops = { .core = &vs6624_core_ops, .video = &vs6624_video_ops, .pad = &vs6624_pad_ops, }; static int vs6624_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct vs6624 *sensor; struct v4l2_subdev *sd; struct v4l2_ctrl_handler *hdl; const unsigned *ce; int ret; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) return -EIO; ce = client->dev.platform_data; if (ce == NULL) return -EINVAL; ret = devm_gpio_request_one(&client->dev, *ce, GPIOF_OUT_INIT_HIGH, "VS6624 Chip Enable"); if (ret) { v4l_err(client, "failed to request GPIO %d\n", *ce); return ret; } /* wait 100ms before any further i2c writes are performed */ msleep(100); sensor = devm_kzalloc(&client->dev, sizeof(*sensor), GFP_KERNEL); if (sensor == NULL) return -ENOMEM; sd = &sensor->sd; v4l2_i2c_subdev_init(sd, client, &vs6624_ops); vs6624_writeregs(sd, vs6624_p1); vs6624_write(sd, VS6624_MICRO_EN, 0x2); vs6624_write(sd, VS6624_DIO_EN, 0x1); usleep_range(10000, 11000); vs6624_writeregs(sd, vs6624_p2); vs6624_writeregs(sd, vs6624_default); vs6624_write(sd, VS6624_HSYNC_SETUP, 0xF); vs6624_writeregs(sd, vs6624_run_setup); /* set frame rate */ sensor->frame_rate.numerator = MAX_FRAME_RATE; sensor->frame_rate.denominator = 1; vs6624_write(sd, VS6624_DISABLE_FR_DAMPER, 0x0); vs6624_write(sd, VS6624_FR_NUM_MSB, sensor->frame_rate.numerator >> 8); vs6624_write(sd, VS6624_FR_NUM_LSB, sensor->frame_rate.numerator & 0xFF); vs6624_write(sd, VS6624_FR_DEN, sensor->frame_rate.denominator & 0xFF); sensor->fmt = vs6624_default_fmt; sensor->ce_pin = *ce; v4l_info(client, "chip found @ 0x%02x (%s)\n", client->addr << 1, client->adapter->name); hdl = &sensor->hdl; v4l2_ctrl_handler_init(hdl, 4); v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, V4L2_CID_CONTRAST, 0, 0xFF, 1, 0x87); v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, V4L2_CID_SATURATION, 0, 0xFF, 1, 0x78); v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); /* hook the control handler into the driver */ sd->ctrl_handler = hdl; if (hdl->error) { int err = hdl->error; v4l2_ctrl_handler_free(hdl); return err; } /* initialize the hardware to the default control values */ ret = v4l2_ctrl_handler_setup(hdl); if (ret) v4l2_ctrl_handler_free(hdl); return ret; } static void vs6624_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); } static const struct i2c_device_id vs6624_id[] = { {"vs6624", 0}, {}, }; MODULE_DEVICE_TABLE(i2c, vs6624_id); static struct i2c_driver vs6624_driver = { .driver = { .name = "vs6624", }, .probe = vs6624_probe, .remove = vs6624_remove, .id_table = vs6624_id, }; module_i2c_driver(vs6624_driver); MODULE_DESCRIPTION("VS6624 sensor driver"); MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>"); MODULE_LICENSE("GPL v2"); |