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 | /* SPDX-License-Identifier: GPL-2.0 */ /* * * V 4 L 2 D R I V E R H E L P E R A P I * * Moved from videodev2.h * * Some commonly needed functions for drivers (v4l2-common.o module) */ #ifndef _V4L2_IOCTL_H #define _V4L2_IOCTL_H #include <linux/poll.h> #include <linux/fs.h> #include <linux/mutex.h> #include <linux/sched/signal.h> #include <linux/compiler.h> /* need __user */ #include <linux/videodev2.h> struct v4l2_fh; /** * struct v4l2_ioctl_ops - describe operations for each V4L2 ioctl * * @vidioc_querycap: pointer to the function that implements * :ref:`VIDIOC_QUERYCAP <vidioc_querycap>` ioctl * @vidioc_enum_fmt_vid_cap: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic * for video capture in single plane mode * @vidioc_enum_fmt_vid_overlay: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic * for video overlay * @vidioc_enum_fmt_vid_out: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic * for video output in single plane mode * @vidioc_enum_fmt_vid_cap_mplane: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic * for video capture in multiplane mode * @vidioc_enum_fmt_vid_out_mplane: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic * for video output in multiplane mode * @vidioc_enum_fmt_sdr_cap: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic * for Software Defined Radio capture * @vidioc_enum_fmt_sdr_out: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic * for Software Defined Radio output * @vidioc_enum_fmt_meta_cap: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic * for metadata capture * @vidioc_g_fmt_vid_cap: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video capture * in single plane mode * @vidioc_g_fmt_vid_overlay: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video overlay * @vidioc_g_fmt_vid_out: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video out * in single plane mode * @vidioc_g_fmt_vid_out_overlay: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video overlay output * @vidioc_g_fmt_vbi_cap: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture * @vidioc_g_fmt_vbi_out: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output * @vidioc_g_fmt_sliced_vbi_cap: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI capture * @vidioc_g_fmt_sliced_vbi_out: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output * @vidioc_g_fmt_vid_cap_mplane: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video capture * in multiple plane mode * @vidioc_g_fmt_vid_out_mplane: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video out * in multiplane plane mode * @vidioc_g_fmt_sdr_cap: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for Software Defined * Radio capture * @vidioc_g_fmt_sdr_out: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for Software Defined * Radio output * @vidioc_g_fmt_meta_cap: pointer to the function that implements * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for metadata capture * @vidioc_s_fmt_vid_cap: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video capture * in single plane mode * @vidioc_s_fmt_vid_overlay: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video overlay * @vidioc_s_fmt_vid_out: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video out * in single plane mode * @vidioc_s_fmt_vid_out_overlay: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video overlay output * @vidioc_s_fmt_vbi_cap: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture * @vidioc_s_fmt_vbi_out: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output * @vidioc_s_fmt_sliced_vbi_cap: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI capture * @vidioc_s_fmt_sliced_vbi_out: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output * @vidioc_s_fmt_vid_cap_mplane: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video capture * in multiple plane mode * @vidioc_s_fmt_vid_out_mplane: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video out * in multiplane plane mode * @vidioc_s_fmt_sdr_cap: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for Software Defined * Radio capture * @vidioc_s_fmt_sdr_out: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for Software Defined * Radio output * @vidioc_s_fmt_meta_cap: pointer to the function that implements * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for metadata capture * @vidioc_try_fmt_vid_cap: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video capture * in single plane mode * @vidioc_try_fmt_vid_overlay: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video overlay * @vidioc_try_fmt_vid_out: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video out * in single plane mode * @vidioc_try_fmt_vid_out_overlay: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video overlay * output * @vidioc_try_fmt_vbi_cap: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture * @vidioc_try_fmt_vbi_out: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output * @vidioc_try_fmt_sliced_vbi_cap: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI * capture * @vidioc_try_fmt_sliced_vbi_out: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output * @vidioc_try_fmt_vid_cap_mplane: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video capture * in multiple plane mode * @vidioc_try_fmt_vid_out_mplane: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video out * in multiplane plane mode * @vidioc_try_fmt_sdr_cap: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for Software Defined * Radio capture * @vidioc_try_fmt_sdr_out: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for Software Defined * Radio output * @vidioc_try_fmt_meta_cap: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for metadata capture * @vidioc_reqbufs: pointer to the function that implements * :ref:`VIDIOC_REQBUFS <vidioc_reqbufs>` ioctl * @vidioc_querybuf: pointer to the function that implements * :ref:`VIDIOC_QUERYBUF <vidioc_querybuf>` ioctl * @vidioc_qbuf: pointer to the function that implements * :ref:`VIDIOC_QBUF <vidioc_qbuf>` ioctl * @vidioc_expbuf: pointer to the function that implements * :ref:`VIDIOC_EXPBUF <vidioc_expbuf>` ioctl * @vidioc_dqbuf: pointer to the function that implements * :ref:`VIDIOC_DQBUF <vidioc_qbuf>` ioctl * @vidioc_create_bufs: pointer to the function that implements * :ref:`VIDIOC_CREATE_BUFS <vidioc_create_bufs>` ioctl * @vidioc_prepare_buf: pointer to the function that implements * :ref:`VIDIOC_PREPARE_BUF <vidioc_prepare_buf>` ioctl * @vidioc_overlay: pointer to the function that implements * :ref:`VIDIOC_OVERLAY <vidioc_overlay>` ioctl * @vidioc_g_fbuf: pointer to the function that implements * :ref:`VIDIOC_G_FBUF <vidioc_g_fbuf>` ioctl * @vidioc_s_fbuf: pointer to the function that implements * :ref:`VIDIOC_S_FBUF <vidioc_g_fbuf>` ioctl * @vidioc_streamon: pointer to the function that implements * :ref:`VIDIOC_STREAMON <vidioc_streamon>` ioctl * @vidioc_streamoff: pointer to the function that implements * :ref:`VIDIOC_STREAMOFF <vidioc_streamon>` ioctl * @vidioc_g_std: pointer to the function that implements * :ref:`VIDIOC_G_STD <vidioc_g_std>` ioctl * @vidioc_s_std: pointer to the function that implements * :ref:`VIDIOC_S_STD <vidioc_g_std>` ioctl * @vidioc_querystd: pointer to the function that implements * :ref:`VIDIOC_QUERYSTD <vidioc_querystd>` ioctl * @vidioc_enum_input: pointer to the function that implements * :ref:`VIDIOC_ENUM_INPUT <vidioc_g_input>` ioctl * @vidioc_g_input: pointer to the function that implements * :ref:`VIDIOC_G_INPUT <vidioc_g_input>` ioctl * @vidioc_s_input: pointer to the function that implements * :ref:`VIDIOC_S_INPUT <vidioc_g_input>` ioctl * @vidioc_enum_output: pointer to the function that implements * :ref:`VIDIOC_ENUM_OUTPUT <vidioc_g_output>` ioctl * @vidioc_g_output: pointer to the function that implements * :ref:`VIDIOC_G_OUTPUT <vidioc_g_output>` ioctl * @vidioc_s_output: pointer to the function that implements * :ref:`VIDIOC_S_OUTPUT <vidioc_g_output>` ioctl * @vidioc_queryctrl: pointer to the function that implements * :ref:`VIDIOC_QUERYCTRL <vidioc_queryctrl>` ioctl * @vidioc_query_ext_ctrl: pointer to the function that implements * :ref:`VIDIOC_QUERY_EXT_CTRL <vidioc_queryctrl>` ioctl * @vidioc_g_ctrl: pointer to the function that implements * :ref:`VIDIOC_G_CTRL <vidioc_g_ctrl>` ioctl * @vidioc_s_ctrl: pointer to the function that implements * :ref:`VIDIOC_S_CTRL <vidioc_g_ctrl>` ioctl * @vidioc_g_ext_ctrls: pointer to the function that implements * :ref:`VIDIOC_G_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl * @vidioc_s_ext_ctrls: pointer to the function that implements * :ref:`VIDIOC_S_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl * @vidioc_try_ext_ctrls: pointer to the function that implements * :ref:`VIDIOC_TRY_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl * @vidioc_querymenu: pointer to the function that implements * :ref:`VIDIOC_QUERYMENU <vidioc_queryctrl>` ioctl * @vidioc_enumaudio: pointer to the function that implements * :ref:`VIDIOC_ENUMAUDIO <vidioc_enumaudio>` ioctl * @vidioc_g_audio: pointer to the function that implements * :ref:`VIDIOC_G_AUDIO <vidioc_g_audio>` ioctl * @vidioc_s_audio: pointer to the function that implements * :ref:`VIDIOC_S_AUDIO <vidioc_g_audio>` ioctl * @vidioc_enumaudout: pointer to the function that implements * :ref:`VIDIOC_ENUMAUDOUT <vidioc_enumaudout>` ioctl * @vidioc_g_audout: pointer to the function that implements * :ref:`VIDIOC_G_AUDOUT <vidioc_g_audout>` ioctl * @vidioc_s_audout: pointer to the function that implements * :ref:`VIDIOC_S_AUDOUT <vidioc_g_audout>` ioctl * @vidioc_g_modulator: pointer to the function that implements * :ref:`VIDIOC_G_MODULATOR <vidioc_g_modulator>` ioctl * @vidioc_s_modulator: pointer to the function that implements * :ref:`VIDIOC_S_MODULATOR <vidioc_g_modulator>` ioctl * @vidioc_cropcap: pointer to the function that implements * :ref:`VIDIOC_CROPCAP <vidioc_cropcap>` ioctl * @vidioc_g_crop: pointer to the function that implements * :ref:`VIDIOC_G_CROP <vidioc_g_crop>` ioctl * @vidioc_s_crop: pointer to the function that implements * :ref:`VIDIOC_S_CROP <vidioc_g_crop>` ioctl * @vidioc_g_selection: pointer to the function that implements * :ref:`VIDIOC_G_SELECTION <vidioc_g_selection>` ioctl * @vidioc_s_selection: pointer to the function that implements * :ref:`VIDIOC_S_SELECTION <vidioc_g_selection>` ioctl * @vidioc_g_jpegcomp: pointer to the function that implements * :ref:`VIDIOC_G_JPEGCOMP <vidioc_g_jpegcomp>` ioctl * @vidioc_s_jpegcomp: pointer to the function that implements * :ref:`VIDIOC_S_JPEGCOMP <vidioc_g_jpegcomp>` ioctl * @vidioc_g_enc_index: pointer to the function that implements * :ref:`VIDIOC_G_ENC_INDEX <vidioc_g_enc_index>` ioctl * @vidioc_encoder_cmd: pointer to the function that implements * :ref:`VIDIOC_ENCODER_CMD <vidioc_encoder_cmd>` ioctl * @vidioc_try_encoder_cmd: pointer to the function that implements * :ref:`VIDIOC_TRY_ENCODER_CMD <vidioc_encoder_cmd>` ioctl * @vidioc_decoder_cmd: pointer to the function that implements * :ref:`VIDIOC_DECODER_CMD <vidioc_decoder_cmd>` ioctl * @vidioc_try_decoder_cmd: pointer to the function that implements * :ref:`VIDIOC_TRY_DECODER_CMD <vidioc_decoder_cmd>` ioctl * @vidioc_g_parm: pointer to the function that implements * :ref:`VIDIOC_G_PARM <vidioc_g_parm>` ioctl * @vidioc_s_parm: pointer to the function that implements * :ref:`VIDIOC_S_PARM <vidioc_g_parm>` ioctl * @vidioc_g_tuner: pointer to the function that implements * :ref:`VIDIOC_G_TUNER <vidioc_g_tuner>` ioctl * @vidioc_s_tuner: pointer to the function that implements * :ref:`VIDIOC_S_TUNER <vidioc_g_tuner>` ioctl * @vidioc_g_frequency: pointer to the function that implements * :ref:`VIDIOC_G_FREQUENCY <vidioc_g_frequency>` ioctl * @vidioc_s_frequency: pointer to the function that implements * :ref:`VIDIOC_S_FREQUENCY <vidioc_g_frequency>` ioctl * @vidioc_enum_freq_bands: pointer to the function that implements * :ref:`VIDIOC_ENUM_FREQ_BANDS <vidioc_enum_freq_bands>` ioctl * @vidioc_g_sliced_vbi_cap: pointer to the function that implements * :ref:`VIDIOC_G_SLICED_VBI_CAP <vidioc_g_sliced_vbi_cap>` ioctl * @vidioc_log_status: pointer to the function that implements * :ref:`VIDIOC_LOG_STATUS <vidioc_log_status>` ioctl * @vidioc_s_hw_freq_seek: pointer to the function that implements * :ref:`VIDIOC_S_HW_FREQ_SEEK <vidioc_s_hw_freq_seek>` ioctl * @vidioc_g_register: pointer to the function that implements * :ref:`VIDIOC_DBG_G_REGISTER <vidioc_dbg_g_register>` ioctl * @vidioc_s_register: pointer to the function that implements * :ref:`VIDIOC_DBG_S_REGISTER <vidioc_dbg_g_register>` ioctl * @vidioc_g_chip_info: pointer to the function that implements * :ref:`VIDIOC_DBG_G_CHIP_INFO <vidioc_dbg_g_chip_info>` ioctl * @vidioc_enum_framesizes: pointer to the function that implements * :ref:`VIDIOC_ENUM_FRAMESIZES <vidioc_enum_framesizes>` ioctl * @vidioc_enum_frameintervals: pointer to the function that implements * :ref:`VIDIOC_ENUM_FRAMEINTERVALS <vidioc_enum_frameintervals>` ioctl * @vidioc_s_dv_timings: pointer to the function that implements * :ref:`VIDIOC_S_DV_TIMINGS <vidioc_g_dv_timings>` ioctl * @vidioc_g_dv_timings: pointer to the function that implements * :ref:`VIDIOC_G_DV_TIMINGS <vidioc_g_dv_timings>` ioctl * @vidioc_query_dv_timings: pointer to the function that implements * :ref:`VIDIOC_QUERY_DV_TIMINGS <vidioc_query_dv_timings>` ioctl * @vidioc_enum_dv_timings: pointer to the function that implements * :ref:`VIDIOC_ENUM_DV_TIMINGS <vidioc_enum_dv_timings>` ioctl * @vidioc_dv_timings_cap: pointer to the function that implements * :ref:`VIDIOC_DV_TIMINGS_CAP <vidioc_dv_timings_cap>` ioctl * @vidioc_g_edid: pointer to the function that implements * :ref:`VIDIOC_G_EDID <vidioc_g_edid>` ioctl * @vidioc_s_edid: pointer to the function that implements * :ref:`VIDIOC_S_EDID <vidioc_g_edid>` ioctl * @vidioc_subscribe_event: pointer to the function that implements * :ref:`VIDIOC_SUBSCRIBE_EVENT <vidioc_subscribe_event>` ioctl * @vidioc_unsubscribe_event: pointer to the function that implements * :ref:`VIDIOC_UNSUBSCRIBE_EVENT <vidioc_unsubscribe_event>` ioctl * @vidioc_default: pointed used to allow other ioctls */ struct v4l2_ioctl_ops { /* ioctl callbacks */ /* VIDIOC_QUERYCAP handler */ int (*vidioc_querycap)(struct file *file, void *fh, struct v4l2_capability *cap); /* VIDIOC_ENUM_FMT handlers */ int (*vidioc_enum_fmt_vid_cap)(struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_overlay)(struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_out)(struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_cap_mplane)(struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_sdr_cap)(struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_sdr_out)(struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_meta_cap)(struct file *file, void *fh, struct v4l2_fmtdesc *f); /* VIDIOC_G_FMT handlers */ int (*vidioc_g_fmt_vid_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_out_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_sliced_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_cap_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_sdr_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_sdr_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_meta_cap)(struct file *file, void *fh, struct v4l2_format *f); /* VIDIOC_S_FMT handlers */ int (*vidioc_s_fmt_vid_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_out_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_sliced_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_cap_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_sdr_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_sdr_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_meta_cap)(struct file *file, void *fh, struct v4l2_format *f); /* VIDIOC_TRY_FMT handlers */ int (*vidioc_try_fmt_vid_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_out_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_sliced_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_cap_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_sdr_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_sdr_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_meta_cap)(struct file *file, void *fh, struct v4l2_format *f); /* Buffer handlers */ int (*vidioc_reqbufs)(struct file *file, void *fh, struct v4l2_requestbuffers *b); int (*vidioc_querybuf)(struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_qbuf)(struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_expbuf)(struct file *file, void *fh, struct v4l2_exportbuffer *e); int (*vidioc_dqbuf)(struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_create_bufs)(struct file *file, void *fh, struct v4l2_create_buffers *b); int (*vidioc_prepare_buf)(struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_overlay)(struct file *file, void *fh, unsigned int i); int (*vidioc_g_fbuf)(struct file *file, void *fh, struct v4l2_framebuffer *a); int (*vidioc_s_fbuf)(struct file *file, void *fh, const struct v4l2_framebuffer *a); /* Stream on/off */ int (*vidioc_streamon)(struct file *file, void *fh, enum v4l2_buf_type i); int (*vidioc_streamoff)(struct file *file, void *fh, enum v4l2_buf_type i); /* * Standard handling * * Note: ENUMSTD is handled by videodev.c */ int (*vidioc_g_std)(struct file *file, void *fh, v4l2_std_id *norm); int (*vidioc_s_std)(struct file *file, void *fh, v4l2_std_id norm); int (*vidioc_querystd)(struct file *file, void *fh, v4l2_std_id *a); /* Input handling */ int (*vidioc_enum_input)(struct file *file, void *fh, struct v4l2_input *inp); int (*vidioc_g_input)(struct file *file, void *fh, unsigned int *i); int (*vidioc_s_input)(struct file *file, void *fh, unsigned int i); /* Output handling */ int (*vidioc_enum_output)(struct file *file, void *fh, struct v4l2_output *a); int (*vidioc_g_output)(struct file *file, void *fh, unsigned int *i); int (*vidioc_s_output)(struct file *file, void *fh, unsigned int i); /* Control handling */ int (*vidioc_queryctrl)(struct file *file, void *fh, struct v4l2_queryctrl *a); int (*vidioc_query_ext_ctrl)(struct file *file, void *fh, struct v4l2_query_ext_ctrl *a); int (*vidioc_g_ctrl)(struct file *file, void *fh, struct v4l2_control *a); int (*vidioc_s_ctrl)(struct file *file, void *fh, struct v4l2_control *a); int (*vidioc_g_ext_ctrls)(struct file *file, void *fh, struct v4l2_ext_controls *a); int (*vidioc_s_ext_ctrls)(struct file *file, void *fh, struct v4l2_ext_controls *a); int (*vidioc_try_ext_ctrls)(struct file *file, void *fh, struct v4l2_ext_controls *a); int (*vidioc_querymenu)(struct file *file, void *fh, struct v4l2_querymenu *a); /* Audio ioctls */ int (*vidioc_enumaudio)(struct file *file, void *fh, struct v4l2_audio *a); int (*vidioc_g_audio)(struct file *file, void *fh, struct v4l2_audio *a); int (*vidioc_s_audio)(struct file *file, void *fh, const struct v4l2_audio *a); /* Audio out ioctls */ int (*vidioc_enumaudout)(struct file *file, void *fh, struct v4l2_audioout *a); int (*vidioc_g_audout)(struct file *file, void *fh, struct v4l2_audioout *a); int (*vidioc_s_audout)(struct file *file, void *fh, const struct v4l2_audioout *a); int (*vidioc_g_modulator)(struct file *file, void *fh, struct v4l2_modulator *a); int (*vidioc_s_modulator)(struct file *file, void *fh, const struct v4l2_modulator *a); /* Crop ioctls */ int (*vidioc_cropcap)(struct file *file, void *fh, struct v4l2_cropcap *a); int (*vidioc_g_crop)(struct file *file, void *fh, struct v4l2_crop *a); int (*vidioc_s_crop)(struct file *file, void *fh, const struct v4l2_crop *a); int (*vidioc_g_selection)(struct file *file, void *fh, struct v4l2_selection *s); int (*vidioc_s_selection)(struct file *file, void *fh, struct v4l2_selection *s); /* Compression ioctls */ int (*vidioc_g_jpegcomp)(struct file *file, void *fh, struct v4l2_jpegcompression *a); int (*vidioc_s_jpegcomp)(struct file *file, void *fh, const struct v4l2_jpegcompression *a); int (*vidioc_g_enc_index)(struct file *file, void *fh, struct v4l2_enc_idx *a); int (*vidioc_encoder_cmd)(struct file *file, void *fh, struct v4l2_encoder_cmd *a); int (*vidioc_try_encoder_cmd)(struct file *file, void *fh, struct v4l2_encoder_cmd *a); int (*vidioc_decoder_cmd)(struct file *file, void *fh, struct v4l2_decoder_cmd *a); int (*vidioc_try_decoder_cmd)(struct file *file, void *fh, struct v4l2_decoder_cmd *a); /* Stream type-dependent parameter ioctls */ int (*vidioc_g_parm)(struct file *file, void *fh, struct v4l2_streamparm *a); int (*vidioc_s_parm)(struct file *file, void *fh, struct v4l2_streamparm *a); /* Tuner ioctls */ int (*vidioc_g_tuner)(struct file *file, void *fh, struct v4l2_tuner *a); int (*vidioc_s_tuner)(struct file *file, void *fh, const struct v4l2_tuner *a); int (*vidioc_g_frequency)(struct file *file, void *fh, struct v4l2_frequency *a); int (*vidioc_s_frequency)(struct file *file, void *fh, const struct v4l2_frequency *a); int (*vidioc_enum_freq_bands)(struct file *file, void *fh, struct v4l2_frequency_band *band); /* Sliced VBI cap */ int (*vidioc_g_sliced_vbi_cap)(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *a); /* Log status ioctl */ int (*vidioc_log_status)(struct file *file, void *fh); int (*vidioc_s_hw_freq_seek)(struct file *file, void *fh, const struct v4l2_hw_freq_seek *a); /* Debugging ioctls */ #ifdef CONFIG_VIDEO_ADV_DEBUG int (*vidioc_g_register)(struct file *file, void *fh, struct v4l2_dbg_register *reg); int (*vidioc_s_register)(struct file *file, void *fh, const struct v4l2_dbg_register *reg); int (*vidioc_g_chip_info)(struct file *file, void *fh, struct v4l2_dbg_chip_info *chip); #endif int (*vidioc_enum_framesizes)(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize); int (*vidioc_enum_frameintervals)(struct file *file, void *fh, struct v4l2_frmivalenum *fival); /* DV Timings IOCTLs */ int (*vidioc_s_dv_timings)(struct file *file, void *fh, struct v4l2_dv_timings *timings); int (*vidioc_g_dv_timings)(struct file *file, void *fh, struct v4l2_dv_timings *timings); int (*vidioc_query_dv_timings)(struct file *file, void *fh, struct v4l2_dv_timings *timings); int (*vidioc_enum_dv_timings)(struct file *file, void *fh, struct v4l2_enum_dv_timings *timings); int (*vidioc_dv_timings_cap)(struct file *file, void *fh, struct v4l2_dv_timings_cap *cap); int (*vidioc_g_edid)(struct file *file, void *fh, struct v4l2_edid *edid); int (*vidioc_s_edid)(struct file *file, void *fh, struct v4l2_edid *edid); int (*vidioc_subscribe_event)(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub); int (*vidioc_unsubscribe_event)(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub); /* For other private ioctls */ long (*vidioc_default)(struct file *file, void *fh, bool valid_prio, unsigned int cmd, void *arg); }; /* v4l debugging and diagnostics */ /* Device debug flags to be used with the video device debug attribute */ /* Just log the ioctl name + error code */ #define V4L2_DEV_DEBUG_IOCTL 0x01 /* Log the ioctl name arguments + error code */ #define V4L2_DEV_DEBUG_IOCTL_ARG 0x02 /* Log the file operations open, release, mmap and get_unmapped_area */ #define V4L2_DEV_DEBUG_FOP 0x04 /* Log the read and write file operations and the VIDIOC_(D)QBUF ioctls */ #define V4L2_DEV_DEBUG_STREAMING 0x08 /* Log poll() */ #define V4L2_DEV_DEBUG_POLL 0x10 /* Video standard functions */ /** * v4l2_norm_to_name - Ancillary routine to analog TV standard name from its ID. * * @id: analog TV standard ID. * * Return: returns a string with the name of the analog TV standard. * If the standard is not found or if @id points to multiple standard, * it returns "Unknown". */ const char *v4l2_norm_to_name(v4l2_std_id id); /** * v4l2_video_std_frame_period - Ancillary routine that fills a * struct &v4l2_fract pointer with the default framerate fraction. * * @id: analog TV standard ID. * @frameperiod: struct &v4l2_fract pointer to be filled * */ void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod); /** * v4l2_video_std_construct - Ancillary routine that fills in the fields of * a &v4l2_standard structure according to the @id parameter. * * @vs: struct &v4l2_standard pointer to be filled * @id: analog TV standard ID. * @name: name of the standard to be used * * .. note:: * * This ancillary routine is obsolete. Shouldn't be used on newer drivers. */ int v4l2_video_std_construct(struct v4l2_standard *vs, int id, const char *name); /** * v4l_video_std_enumstd - Ancillary routine that fills in the fields of * a &v4l2_standard structure according to the @id and @vs->index * parameters. * * @vs: struct &v4l2_standard pointer to be filled. * @id: analog TV standard ID. * */ int v4l_video_std_enumstd(struct v4l2_standard *vs, v4l2_std_id id); /** * v4l_printk_ioctl - Ancillary routine that prints the ioctl in a * human-readable format. * * @prefix: prefix to be added at the ioctl prints. * @cmd: ioctl name * * .. note:: * * If prefix != %NULL, then it will issue a * ``printk(KERN_DEBUG "%s: ", prefix)`` first. */ void v4l_printk_ioctl(const char *prefix, unsigned int cmd); struct video_device; /* names for fancy debug output */ extern const char *v4l2_field_names[]; extern const char *v4l2_type_names[]; #ifdef CONFIG_COMPAT /** * v4l2_compat_ioctl32 -32 Bits compatibility layer for 64 bits processors * * @file: Pointer to struct &file. * @cmd: Ioctl name. * @arg: Ioctl argument. */ long int v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg); #endif /** * typedef v4l2_kioctl - Typedef used to pass an ioctl handler. * * @file: Pointer to struct &file. * @cmd: Ioctl name. * @arg: Ioctl argument. */ typedef long (*v4l2_kioctl)(struct file *file, unsigned int cmd, void *arg); /** * video_usercopy - copies data from/to userspace memory when an ioctl is * issued. * * @file: Pointer to struct &file. * @cmd: Ioctl name. * @arg: Ioctl argument. * @func: function that will handle the ioctl * * .. note:: * * This routine should be used only inside the V4L2 core. */ long int video_usercopy(struct file *file, unsigned int cmd, unsigned long int arg, v4l2_kioctl func); /** * video_ioctl2 - Handles a V4L2 ioctl. * * @file: Pointer to struct &file. * @cmd: Ioctl name. * @arg: Ioctl argument. * * Method used to hancle an ioctl. Should be used to fill the * &v4l2_ioctl_ops.unlocked_ioctl on all V4L2 drivers. */ long int video_ioctl2(struct file *file, unsigned int cmd, unsigned long int arg); #endif /* _V4L2_IOCTL_H */ |