1 /* $OpenBSD: utvfu.c,v 1.11 2020/07/31 10:49:33 mglocker Exp $ */ 2 /* 3 * Copyright (c) 2013 Lubomir Rintel 4 * Copyright (c) 2013 Federico Simoncelli 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * Alternatively, this software may be distributed under the terms of the 17 * GNU General Public License ("GPL"). 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /* 32 * Fushicai USBTV007 Audio-Video Grabber Driver 33 * 34 * Product web site: 35 * http://www.fushicai.com/products_detail/&productId=d05449ee-b690-42f9-a661-aa7353894bed.html 36 * 37 * Following LWN articles were very useful in construction of this driver: 38 * Video4Linux2 API series: http://lwn.net/Articles/203924/ 39 * videobuf2 API explanation: http://lwn.net/Articles/447435/ 40 * Thanks go to Jonathan Corbet for providing this quality documentation. 41 * He is awesome. 42 * 43 * No physical hardware was harmed running Windows during the 44 * reverse-engineering activity 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/fcntl.h> 50 #include <sys/kernel.h> 51 #include <sys/kthread.h> 52 #include <sys/malloc.h> 53 #include <sys/device.h> 54 #include <sys/audioio.h> 55 #include <sys/videoio.h> 56 57 #include <uvm/uvm_extern.h> 58 59 #include <machine/bus.h> 60 61 #include <dev/audio_if.h> 62 #include <dev/usb/usb.h> 63 #include <dev/usb/usbdi.h> 64 #include <dev/usb/usbdivar.h> 65 #include <dev/usb/usb_mem.h> 66 #include <dev/usb/usbdi_util.h> 67 #include <dev/usb/usbdevs.h> 68 #include <dev/video_if.h> 69 70 #include "utvfu.h" 71 72 #ifdef UTVFU_DEBUG 73 int utvfu_debug = 1; 74 #define DPRINTF(l, x...) do { if ((l) <= utvfu_debug) printf(x); } while (0) 75 #else 76 #define DPRINTF(l, x...) 77 #endif 78 79 #define DEVNAME(_s) ((_s)->sc_dev.dv_xname) 80 81 struct utvfu_norm_params utvfu_norm_params[] = { 82 { 83 .norm = V4L2_STD_525_60, 84 .cap_width = 720, 85 .cap_height = 480, 86 /* 4 bytes/2 pixel YUYV/YUV 4:2:2 */ 87 .frame_len = (720 * 480 * 2), 88 }, 89 { 90 .norm = V4L2_STD_PAL, 91 .cap_width = 720, 92 .cap_height = 576, 93 /* 4 bytes/2 pixel YUYV/YUV 4:2:2 */ 94 .frame_len = (720 * 576 * 2), 95 } 96 }; 97 98 int 99 utvfu_set_regs(struct utvfu_softc *sc, const uint16_t regs[][2], int size) 100 { 101 int i; 102 usbd_status error; 103 usb_device_request_t req; 104 105 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 106 req.bRequest = UTVFU_REQUEST_REG; 107 USETW(req.wLength, 0); 108 109 for (i = 0; i < size; i++) { 110 USETW(req.wIndex, regs[i][0]); 111 USETW(req.wValue, regs[i][1]); 112 113 error = usbd_do_request(sc->sc_udev, &req, NULL); 114 if (error != USBD_NORMAL_COMPLETION) { 115 DPRINTF(1, "%s: %s: exit EINVAL\n", 116 DEVNAME(sc), __func__); 117 return (EINVAL); 118 } 119 } 120 121 return (0); 122 } 123 124 int 125 utvfu_max_frame_size(void) 126 { 127 int i, sz = 0; 128 for (i = 0; i < nitems(utvfu_norm_params); i++) { 129 if (sz < utvfu_norm_params[i].frame_len) 130 sz = utvfu_norm_params[i].frame_len; 131 } 132 return (sz); 133 } 134 135 int 136 utvfu_configure_for_norm(struct utvfu_softc *sc, v4l2_std_id norm) 137 { 138 int i, ret = EINVAL; 139 struct utvfu_norm_params *params = NULL; 140 141 for (i = 0; i < nitems(utvfu_norm_params); i++) { 142 if (utvfu_norm_params[i].norm & norm) { 143 params = &utvfu_norm_params[i]; 144 break; 145 } 146 } 147 148 if (params != NULL) { 149 sc->sc_normi = i; 150 sc->sc_nchunks = params->cap_width * params->cap_height 151 / 4 / UTVFU_CHUNK; 152 ret = 0; 153 } 154 155 return (ret); 156 } 157 158 int 159 utvfu_select_input(struct utvfu_softc *sc, int input) 160 { 161 int ret; 162 163 static const uint16_t composite[][2] = { 164 { UTVFU_BASE + 0x0105, 0x0060 }, 165 { UTVFU_BASE + 0x011f, 0x00f2 }, 166 { UTVFU_BASE + 0x0127, 0x0060 }, 167 { UTVFU_BASE + 0x00ae, 0x0010 }, 168 { UTVFU_BASE + 0x0239, 0x0060 }, 169 }; 170 171 static const uint16_t svideo[][2] = { 172 { UTVFU_BASE + 0x0105, 0x0010 }, 173 { UTVFU_BASE + 0x011f, 0x00ff }, 174 { UTVFU_BASE + 0x0127, 0x0060 }, 175 { UTVFU_BASE + 0x00ae, 0x0030 }, 176 { UTVFU_BASE + 0x0239, 0x0060 }, 177 }; 178 179 switch (input) { 180 case UTVFU_COMPOSITE_INPUT: 181 ret = utvfu_set_regs(sc, composite, nitems(composite)); 182 break; 183 case UTVFU_SVIDEO_INPUT: 184 ret = utvfu_set_regs(sc, svideo, nitems(svideo)); 185 break; 186 default: 187 ret = EINVAL; 188 } 189 190 if (ret == 0) 191 sc->sc_input = input; 192 193 return (ret); 194 } 195 196 int 197 utvfu_select_norm(struct utvfu_softc *sc, v4l2_std_id norm) 198 { 199 int ret; 200 static const uint16_t pal[][2] = { 201 { UTVFU_BASE + 0x001a, 0x0068 }, 202 { UTVFU_BASE + 0x010e, 0x0072 }, 203 { UTVFU_BASE + 0x010f, 0x00a2 }, 204 { UTVFU_BASE + 0x0112, 0x00b0 }, 205 { UTVFU_BASE + 0x0117, 0x0001 }, 206 { UTVFU_BASE + 0x0118, 0x002c }, 207 { UTVFU_BASE + 0x012d, 0x0010 }, 208 { UTVFU_BASE + 0x012f, 0x0020 }, 209 { UTVFU_BASE + 0x024f, 0x0002 }, 210 { UTVFU_BASE + 0x0254, 0x0059 }, 211 { UTVFU_BASE + 0x025a, 0x0016 }, 212 { UTVFU_BASE + 0x025b, 0x0035 }, 213 { UTVFU_BASE + 0x0263, 0x0017 }, 214 { UTVFU_BASE + 0x0266, 0x0016 }, 215 { UTVFU_BASE + 0x0267, 0x0036 } 216 }; 217 218 static const uint16_t ntsc[][2] = { 219 { UTVFU_BASE + 0x001a, 0x0079 }, 220 { UTVFU_BASE + 0x010e, 0x0068 }, 221 { UTVFU_BASE + 0x010f, 0x009c }, 222 { UTVFU_BASE + 0x0112, 0x00f0 }, 223 { UTVFU_BASE + 0x0117, 0x0000 }, 224 { UTVFU_BASE + 0x0118, 0x00fc }, 225 { UTVFU_BASE + 0x012d, 0x0004 }, 226 { UTVFU_BASE + 0x012f, 0x0008 }, 227 { UTVFU_BASE + 0x024f, 0x0001 }, 228 { UTVFU_BASE + 0x0254, 0x005f }, 229 { UTVFU_BASE + 0x025a, 0x0012 }, 230 { UTVFU_BASE + 0x025b, 0x0001 }, 231 { UTVFU_BASE + 0x0263, 0x001c }, 232 { UTVFU_BASE + 0x0266, 0x0011 }, 233 { UTVFU_BASE + 0x0267, 0x0005 } 234 }; 235 236 ret = utvfu_configure_for_norm(sc, norm); 237 238 if (ret == 0) { 239 if (norm & V4L2_STD_525_60) 240 ret = utvfu_set_regs(sc, ntsc, nitems(ntsc)); 241 else if (norm & V4L2_STD_PAL) 242 ret = utvfu_set_regs(sc, pal, nitems(pal)); 243 } 244 245 return (ret); 246 } 247 248 int 249 utvfu_setup_capture(struct utvfu_softc *sc) 250 { 251 int ret; 252 static const uint16_t setup[][2] = { 253 /* These seem to enable the device. */ 254 { UTVFU_BASE + 0x0008, 0x0001 }, 255 { UTVFU_BASE + 0x01d0, 0x00ff }, 256 { UTVFU_BASE + 0x01d9, 0x0002 }, 257 258 /* 259 * These seem to influence color parameters, such as 260 * brightness, etc. 261 */ 262 { UTVFU_BASE + 0x0239, 0x0040 }, 263 { UTVFU_BASE + 0x0240, 0x0000 }, 264 { UTVFU_BASE + 0x0241, 0x0000 }, 265 { UTVFU_BASE + 0x0242, 0x0002 }, 266 { UTVFU_BASE + 0x0243, 0x0080 }, 267 { UTVFU_BASE + 0x0244, 0x0012 }, 268 { UTVFU_BASE + 0x0245, 0x0090 }, 269 { UTVFU_BASE + 0x0246, 0x0000 }, 270 271 { UTVFU_BASE + 0x0278, 0x002d }, 272 { UTVFU_BASE + 0x0279, 0x000a }, 273 { UTVFU_BASE + 0x027a, 0x0032 }, 274 { 0xf890, 0x000c }, 275 { 0xf894, 0x0086 }, 276 277 { UTVFU_BASE + 0x00ac, 0x00c0 }, 278 { UTVFU_BASE + 0x00ad, 0x0000 }, 279 { UTVFU_BASE + 0x00a2, 0x0012 }, 280 { UTVFU_BASE + 0x00a3, 0x00e0 }, 281 { UTVFU_BASE + 0x00a4, 0x0028 }, 282 { UTVFU_BASE + 0x00a5, 0x0082 }, 283 { UTVFU_BASE + 0x00a7, 0x0080 }, 284 { UTVFU_BASE + 0x0000, 0x0014 }, 285 { UTVFU_BASE + 0x0006, 0x0003 }, 286 { UTVFU_BASE + 0x0090, 0x0099 }, 287 { UTVFU_BASE + 0x0091, 0x0090 }, 288 { UTVFU_BASE + 0x0094, 0x0068 }, 289 { UTVFU_BASE + 0x0095, 0x0070 }, 290 { UTVFU_BASE + 0x009c, 0x0030 }, 291 { UTVFU_BASE + 0x009d, 0x00c0 }, 292 { UTVFU_BASE + 0x009e, 0x00e0 }, 293 { UTVFU_BASE + 0x0019, 0x0006 }, 294 { UTVFU_BASE + 0x008c, 0x00ba }, 295 { UTVFU_BASE + 0x0101, 0x00ff }, 296 { UTVFU_BASE + 0x010c, 0x00b3 }, 297 { UTVFU_BASE + 0x01b2, 0x0080 }, 298 { UTVFU_BASE + 0x01b4, 0x00a0 }, 299 { UTVFU_BASE + 0x014c, 0x00ff }, 300 { UTVFU_BASE + 0x014d, 0x00ca }, 301 { UTVFU_BASE + 0x0113, 0x0053 }, 302 { UTVFU_BASE + 0x0119, 0x008a }, 303 { UTVFU_BASE + 0x013c, 0x0003 }, 304 { UTVFU_BASE + 0x0150, 0x009c }, 305 { UTVFU_BASE + 0x0151, 0x0071 }, 306 { UTVFU_BASE + 0x0152, 0x00c6 }, 307 { UTVFU_BASE + 0x0153, 0x0084 }, 308 { UTVFU_BASE + 0x0154, 0x00bc }, 309 { UTVFU_BASE + 0x0155, 0x00a0 }, 310 { UTVFU_BASE + 0x0156, 0x00a0 }, 311 { UTVFU_BASE + 0x0157, 0x009c }, 312 { UTVFU_BASE + 0x0158, 0x001f }, 313 { UTVFU_BASE + 0x0159, 0x0006 }, 314 { UTVFU_BASE + 0x015d, 0x0000 }, 315 316 { UTVFU_BASE + 0x0003, 0x0004 }, 317 { UTVFU_BASE + 0x0100, 0x00d3 }, 318 { UTVFU_BASE + 0x0115, 0x0015 }, 319 { UTVFU_BASE + 0x0220, 0x002e }, 320 { UTVFU_BASE + 0x0225, 0x0008 }, 321 { UTVFU_BASE + 0x024e, 0x0002 }, 322 { UTVFU_BASE + 0x024e, 0x0002 }, 323 { UTVFU_BASE + 0x024f, 0x0002 }, 324 }; 325 326 ret = utvfu_set_regs(sc, setup, nitems(setup)); 327 if (ret) 328 return (ret); 329 330 ret = utvfu_select_norm(sc, utvfu_norm_params[sc->sc_normi].norm); 331 if (ret) 332 return (ret); 333 334 ret = utvfu_select_input(sc, sc->sc_input); 335 if (ret) 336 return (ret); 337 338 return (0); 339 } 340 341 /* 342 * Copy data from chunk into a frame buffer, deinterlacing the data 343 * into every second line. Unfortunately, they don't align nicely into 344 * 720 pixel lines, as the chunk is 240 words long, which is 480 pixels. 345 * Therefore, we break down the chunk into two halves before copying, 346 * so that we can interleave a line if needed. 347 * 348 * Each "chunk" is 240 words; a word in this context equals 4 bytes. 349 * Image format is YUYV/YUV 4:2:2, consisting of Y Cr Y Cb, defining two 350 * pixels, the Cr and Cb shared between the two pixels, but each having 351 * separate Y values. Thus, the 240 words equal 480 pixels. It therefore, 352 * takes 1.5 chunks to make a 720 pixel-wide line for the frame. 353 * The image is interlaced, so there is a "scan" of odd lines, followed 354 * by "scan" of even numbered lines. 355 * 356 * Following code is writing the chunks in correct sequence, skipping 357 * the rows based on "odd" value. 358 * line 1: chunk[0][ 0..479] chunk[0][480..959] chunk[1][ 0..479] 359 * line 3: chunk[1][480..959] chunk[2][ 0..479] chunk[2][480..959] 360 * ...etc 361 */ 362 void 363 utvfu_chunk_to_vbuf(uint8_t *frame, uint8_t *src, int chunk_no, int odd) 364 { 365 uint8_t *dst; 366 int half, line, part_no, part_index; 367 #define UTVFU_STRIDE (UTVFU_CHUNK/2 * 4) 368 369 for (half = 0; half < 2; half++) { 370 part_no = chunk_no * 2 + half; 371 line = part_no / 3; 372 part_index = (line * 2 + !odd) * 3 + (part_no % 3); 373 374 dst = &frame[part_index * UTVFU_STRIDE]; 375 376 memcpy(dst, src, UTVFU_STRIDE); 377 src += UTVFU_STRIDE; 378 } 379 #undef UTVFU_STRIDE 380 } 381 382 /* 383 * Called for each 256-byte image chunk. 384 * First word identifies the chunk, followed by 240 words of image 385 * data and padding. 386 */ 387 void 388 utvfu_image_chunk(struct utvfu_softc *sc, u_char *chunk) 389 { 390 int frame_id, odd, chunk_no, frame_len; 391 uint32_t hdr; 392 393 memcpy(&hdr, chunk, sizeof(hdr)); 394 chunk += sizeof(hdr); 395 hdr = be32toh(hdr); 396 397 /* Ignore corrupted lines. */ 398 if (!UTVFU_MAGIC_OK(hdr)) { 399 DPRINTF(2, "%s: bad magic=0x%08x\n", 400 DEVNAME(sc), UTVFU_MAGIC(hdr)); 401 return; 402 } 403 404 frame_id = UTVFU_FRAME_ID(hdr); 405 odd = UTVFU_ODD(hdr); 406 chunk_no = UTVFU_CHUNK_NO(hdr); 407 if (chunk_no >= sc->sc_nchunks) { 408 DPRINTF(2, "%s: chunk_no=%d >= sc_nchunks=%d\n", 409 DEVNAME(sc), chunk_no, sc->sc_nchunks); 410 return; 411 } 412 413 /* Beginning of a frame. */ 414 if (chunk_no == 0) { 415 sc->sc_fb.fid = frame_id; 416 sc->sc_fb.chunks_done = 0; 417 } 418 else if (sc->sc_fb.fid != frame_id) { 419 DPRINTF(2, "%s: frame id mismatch expecting=%d got=%d\n", 420 DEVNAME(sc), sc->sc_fb.fid, frame_id); 421 return; 422 } 423 424 frame_len = utvfu_norm_params[sc->sc_normi].frame_len; 425 426 /* Copy the chunk data. */ 427 utvfu_chunk_to_vbuf(sc->sc_fb.buf, chunk, chunk_no, odd); 428 sc->sc_fb.chunks_done++; 429 430 /* Last chunk in a field */ 431 if (chunk_no == sc->sc_nchunks-1) { 432 /* Last chunk in a frame, signalling an end */ 433 if (odd && !sc->sc_fb.last_odd) { 434 if (sc->sc_fb.chunks_done != sc->sc_nchunks) { 435 DPRINTF(1, "%s: chunks_done=%d != nchunks=%d\n", 436 DEVNAME(sc), 437 sc->sc_fb.chunks_done, sc->sc_nchunks); 438 } 439 440 if (sc->sc_flags & UTVFU_FLAG_MMAP) { 441 utvfu_mmap_queue(sc, sc->sc_fb.buf, frame_len); 442 } 443 else { 444 utvfu_read(sc, sc->sc_fb.buf, frame_len); 445 } 446 } 447 sc->sc_fb.last_odd = odd; 448 } 449 } 450 451 int 452 utvfu_start_capture(struct utvfu_softc *sc) 453 { 454 usbd_status error; 455 int restart_au; 456 457 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 458 459 restart_au = ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 460 utvfu_audio_stop(sc); 461 462 /* default video stream interface */ 463 error = usbd_set_interface(sc->sc_uifaceh, UTVFU_DFLT_IFACE_IDX); 464 if (error != USBD_NORMAL_COMPLETION) 465 return (EINVAL); 466 467 if (utvfu_setup_capture(sc) != 0) 468 return (EINVAL); 469 470 /* alt setting */ 471 error = usbd_set_interface(sc->sc_uifaceh, UTVFU_ALT_IFACE_IDX); 472 if (error != USBD_NORMAL_COMPLETION) 473 return (EINVAL); 474 475 if (restart_au) 476 utvfu_audio_start(sc); 477 478 return (0); 479 } 480 481 int 482 utvfu_querycap(void *v, struct v4l2_capability *cap) 483 { 484 struct utvfu_softc *sc = v; 485 486 memset(cap, 0, sizeof(*cap)); 487 strlcpy(cap->driver, DEVNAME(sc), sizeof(cap->driver)); 488 strlcpy(cap->card, "utvfu", sizeof(cap->card)); 489 strlcpy(cap->bus_info, "usb", sizeof(cap->bus_info)); 490 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE; 491 cap->device_caps |= V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 492 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 493 return (0); 494 } 495 496 int 497 utvfu_enum_input(void *v, struct v4l2_input *i) 498 { 499 struct utvfu_softc *sc = v; 500 501 switch (i->index) { 502 case UTVFU_COMPOSITE_INPUT: 503 strlcpy(i->name, "Composite", sizeof(i->name)); 504 break; 505 case UTVFU_SVIDEO_INPUT: 506 strlcpy(i->name, "S-Video", sizeof(i->name)); 507 break; 508 default: 509 return (EINVAL); 510 } 511 512 i->type = V4L2_INPUT_TYPE_CAMERA; 513 i->std = utvfu_norm_params[sc->sc_normi].norm; 514 return (0); 515 } 516 517 int 518 utvfu_enum_fmt_vid_cap(void *v, struct v4l2_fmtdesc *f) 519 { 520 if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || f->index != 0) 521 return (EINVAL); 522 523 strlcpy(f->description, "16 bpp YUY2, 4:2:2, packed", 524 sizeof(f->description)); 525 f->pixelformat = V4L2_PIX_FMT_YUYV; 526 return (0); 527 } 528 529 int 530 utvfu_enum_fsizes(void *v, struct v4l2_frmsizeenum *fsizes) 531 { 532 struct utvfu_softc *sc = v; 533 534 if (fsizes->pixel_format != V4L2_PIX_FMT_YUYV) 535 return (EINVAL); 536 537 fsizes->type = V4L2_FRMSIZE_TYPE_DISCRETE; 538 fsizes->discrete.width = utvfu_norm_params[sc->sc_normi].cap_width; 539 fsizes->discrete.height = utvfu_norm_params[sc->sc_normi].cap_height; 540 return (0); 541 } 542 543 int 544 utvfu_g_fmt(void *v, struct v4l2_format *f) 545 { 546 struct utvfu_softc *sc = v; 547 548 f->fmt.pix.width = utvfu_norm_params[sc->sc_normi].cap_width; 549 f->fmt.pix.height = utvfu_norm_params[sc->sc_normi].cap_height; 550 f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; 551 f->fmt.pix.field = V4L2_FIELD_INTERLACED; 552 f->fmt.pix.bytesperline = f->fmt.pix.width * 2; 553 f->fmt.pix.sizeimage = (f->fmt.pix.bytesperline * f->fmt.pix.height); 554 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 555 return (0); 556 } 557 558 int 559 utvfu_s_fmt(void *v, struct v4l2_format *f) 560 { 561 if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV) 562 return (EINVAL); 563 return (0); 564 } 565 566 int 567 utvfu_g_std(void *v, v4l2_std_id *norm) 568 { 569 struct utvfu_softc *sc = v; 570 *norm = utvfu_norm_params[sc->sc_normi].norm; 571 return (0); 572 } 573 574 int 575 utvfu_s_std(void *v, v4l2_std_id norm) 576 { 577 int ret = EINVAL; 578 struct utvfu_softc *sc = v; 579 580 if ((norm & V4L2_STD_525_60) || (norm & V4L2_STD_PAL)) 581 ret = utvfu_select_norm(sc, norm); 582 583 return (ret); 584 } 585 586 int 587 utvfu_g_input(void *v, int *i) 588 { 589 struct utvfu_softc *sc = v; 590 *i = sc->sc_input; 591 return (0); 592 } 593 594 int 595 utvfu_s_input(void *v, int i) 596 { 597 return utvfu_select_input(v, i); 598 } 599 600 /* A U D I O */ 601 602 void 603 utvfu_audio_decode(struct utvfu_softc *sc, int len) 604 { 605 uint8_t *dst, *src; 606 int n, chunk, ncopied; 607 608 if (sc->sc_audio.blksize == 0) 609 return; 610 611 src = KERNADDR(&sc->sc_audio.iface.xfer->dmabuf, 0); 612 dst = sc->sc_audio.cur; 613 ncopied = sc->sc_audio.cur - sc->sc_audio.start; 614 /* b/c region start->end is a multiple blksize chunks */ 615 ncopied %= sc->sc_audio.blksize; 616 617 while (len >= UTVFU_CHUNK_SIZE) { 618 /* 619 * The header, skipped here, ranges from 0xdd000000 to 620 * 0xdd0003ff. The 0xdd seems to be the "magic" and 621 * 0x3ff masks the chunk number. 622 */ 623 src += UTVFU_AUDIO_HDRSIZE; 624 chunk = UTVFU_CHUNK; 625 while (chunk > 0) { 626 n = min(chunk, sc->sc_audio.blksize - ncopied); 627 memcpy(dst, src, n); 628 dst += n; 629 src += n; 630 chunk -= n; 631 ncopied += n; 632 if (ncopied >= sc->sc_audio.blksize) { 633 mtx_enter(&audio_lock); 634 (*sc->sc_audio.intr)(sc->sc_audio.intr_arg); 635 mtx_leave(&audio_lock); 636 ncopied -= sc->sc_audio.blksize; 637 } 638 if (dst > sc->sc_audio.end) 639 dst = sc->sc_audio.start; 640 } 641 len -= UTVFU_CHUNK_SIZE; /* _CHUNK + _AUDIO_HDRSIZE */ 642 } 643 sc->sc_audio.cur = dst; 644 } 645 646 int 647 utvfu_audio_start_chip(struct utvfu_softc *sc) 648 { 649 static const uint16_t setup[][2] = { 650 /* These seem to enable the device. */ 651 { UTVFU_BASE + 0x0008, 0x0001 }, 652 { UTVFU_BASE + 0x01d0, 0x00ff }, 653 { UTVFU_BASE + 0x01d9, 0x0002 }, 654 655 { UTVFU_BASE + 0x01da, 0x0013 }, 656 { UTVFU_BASE + 0x01db, 0x0012 }, 657 { UTVFU_BASE + 0x01e9, 0x0002 }, 658 { UTVFU_BASE + 0x01ec, 0x006c }, 659 { UTVFU_BASE + 0x0294, 0x0020 }, 660 { UTVFU_BASE + 0x0255, 0x00cf }, 661 { UTVFU_BASE + 0x0256, 0x0020 }, 662 { UTVFU_BASE + 0x01eb, 0x0030 }, 663 { UTVFU_BASE + 0x027d, 0x00a6 }, 664 { UTVFU_BASE + 0x0280, 0x0011 }, 665 { UTVFU_BASE + 0x0281, 0x0040 }, 666 { UTVFU_BASE + 0x0282, 0x0011 }, 667 { UTVFU_BASE + 0x0283, 0x0040 }, 668 { 0xf891, 0x0010 }, 669 670 /* this sets the input from composite */ 671 { UTVFU_BASE + 0x0284, 0x00aa }, 672 }; 673 674 /* starting the stream */ 675 utvfu_set_regs(sc, setup, nitems(setup)); 676 677 return (0); 678 } 679 680 int 681 utvfu_audio_stop_chip(struct utvfu_softc *sc) 682 { 683 static const uint16_t setup[][2] = { 684 /* 685 * The original windows driver sometimes sends also: 686 * { UTVFU_BASE + 0x00a2, 0x0013 } 687 * but it seems useless and its real effects are untested at 688 * the moment. 689 */ 690 { UTVFU_BASE + 0x027d, 0x0000 }, 691 { UTVFU_BASE + 0x0280, 0x0010 }, 692 { UTVFU_BASE + 0x0282, 0x0010 }, 693 }; 694 695 utvfu_set_regs(sc, setup, nitems(setup)); 696 697 return (0); 698 } 699 700 /* 701 * Copyright (c) 2008 Robert Nagy <robert@openbsd.org> 702 * Copyright (c) 2008 Marcus Glocker <mglocker@openbsd.org> 703 * Copyright (c) 2016 Patrick Keshishian <patrick@boxsoft.com> 704 * 705 * Permission to use, copy, modify, and distribute this software for any 706 * purpose with or without fee is hereby granted, provided that the above 707 * copyright notice and this permission notice appear in all copies. 708 * 709 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 710 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 711 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 712 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 713 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 714 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 715 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 716 */ 717 /* 718 * Heavily based on uvideo.c source. 719 */ 720 721 int utvfu_match(struct device *, void *, void *); 722 void utvfu_attach(struct device *, struct device *, void *); 723 int utvfu_detach(struct device *, int); 724 725 usbd_status utvfu_parse_desc(struct utvfu_softc *); 726 727 void utvfu_vs_close(struct utvfu_softc *); 728 void utvfu_vs_free_frame(struct utvfu_softc *); 729 void utvfu_vs_free_isoc(struct utvfu_softc *); 730 void utvfu_vs_start_isoc_ixfer(struct utvfu_softc *, 731 struct utvfu_isoc_xfer *); 732 void utvfu_vs_cb(struct usbd_xfer *, void *, usbd_status); 733 734 void utvfu_vs_free(struct utvfu_softc *); 735 int utvfu_vs_init(struct utvfu_softc *); 736 int utvfu_vs_alloc_frame(struct utvfu_softc *); 737 usbd_status utvfu_vs_alloc_isoc(struct utvfu_softc *); 738 739 int utvfu_open(void *, int, int *, uint8_t *, 740 void (*)(void *), void *); 741 int utvfu_close(void *); 742 int utvfu_querycap(void *, struct v4l2_capability *); 743 int utvfu_enum_fmt_vid_cap(void *, struct v4l2_fmtdesc *); 744 int utvfu_enum_fsizes(void *, struct v4l2_frmsizeenum *); 745 int utvfu_g_fmt(void *, struct v4l2_format *); 746 int utvfu_s_fmt(void *, struct v4l2_format *); 747 int utvfu_g_parm(void *, struct v4l2_streamparm *); 748 int utvfu_s_parm(void *, struct v4l2_streamparm *); 749 int utvfu_enum_input(void *, struct v4l2_input *); 750 int utvfu_s_input(void *, int); 751 int utvfu_g_input(void *, int *); 752 753 int utvfu_reqbufs(void *, struct v4l2_requestbuffers *); 754 int utvfu_querybuf(void *, struct v4l2_buffer *); 755 int utvfu_qbuf(void *, struct v4l2_buffer *); 756 int utvfu_dqbuf(void *, struct v4l2_buffer *); 757 int utvfu_streamon(void *, int); 758 int utvfu_streamoff(void *, int); 759 int utvfu_queryctrl(void *, struct v4l2_queryctrl *); 760 caddr_t utvfu_mappage(void *, off_t, int); 761 int utvfu_get_bufsize(void *); 762 int utvfu_start_read(void *); 763 764 int utvfu_as_init(struct utvfu_softc *); 765 void utvfu_as_free(struct utvfu_softc *); 766 767 usbd_status utvfu_as_open(struct utvfu_softc *); 768 int utvfu_as_alloc_bulk(struct utvfu_softc *); 769 void utvfu_as_free_bulk(struct utvfu_softc *); 770 int utvfu_as_start_bulk(struct utvfu_softc *); 771 void utvfu_as_bulk_thread(void *); 772 773 int utvfu_audio_open(void *, int); 774 void utvfu_audio_close(void *); 775 int utvfu_audio_set_params(void *, int, int, 776 struct audio_params *, struct audio_params *); 777 int utvfu_audio_halt_out(void *); 778 int utvfu_audio_halt_in(void *); 779 int utvfu_audio_mixer_set_port(void *, struct mixer_ctrl *); 780 int utvfu_audio_mixer_get_port(void *, struct mixer_ctrl *); 781 int utvfu_audio_query_devinfo(void *, struct mixer_devinfo *); 782 int utvfu_audio_get_props(void *); 783 int utvfu_audio_trigger_output(void *, void *, void *, int, 784 void (*)(void *), void *, struct audio_params *); 785 int utvfu_audio_trigger_input(void *, void *, void *, int, 786 void (*)(void *), void *, struct audio_params *); 787 788 struct cfdriver utvfu_cd = { 789 NULL, "utvfu", DV_DULL 790 }; 791 792 const struct cfattach utvfu_ca = { 793 sizeof(struct utvfu_softc), 794 utvfu_match, 795 utvfu_attach, 796 utvfu_detach, 797 NULL 798 }; 799 800 struct video_hw_if utvfu_vid_hw_if = { 801 utvfu_open, /* open */ 802 utvfu_close, /* close */ 803 utvfu_querycap, /* VIDIOC_QUERYCAP */ 804 utvfu_enum_fmt_vid_cap, /* VIDIOC_ENUM_FMT */ 805 utvfu_enum_fsizes, /* VIDIOC_ENUM_FRAMESIZES */ 806 NULL, /* VIDIOC_ENUM_FRAMEINTERVALS */ 807 utvfu_s_fmt, /* VIDIOC_S_FMT */ 808 utvfu_g_fmt, /* VIDIOC_G_FMT */ 809 utvfu_s_parm, /* VIDIOC_S_PARM */ 810 utvfu_g_parm, /* VIDIOC_G_PARM */ 811 utvfu_enum_input, /* VIDIOC_ENUMINPUT */ 812 utvfu_s_input, /* VIDIOC_S_INPUT */ 813 utvfu_g_input, /* VIDIOC_G_INPUT */ 814 utvfu_reqbufs, /* VIDIOC_REQBUFS */ 815 utvfu_querybuf, /* VIDIOC_QUERYBUF */ 816 utvfu_qbuf, /* VIDIOC_QBUF */ 817 utvfu_dqbuf, /* VIDIOC_DQBUF */ 818 utvfu_streamon, /* VIDIOC_STREAMON */ 819 utvfu_streamoff, /* VIDIOC_STREAMOFF */ 820 NULL, /* VIDIOC_TRY_FMT */ 821 utvfu_queryctrl, /* VIDIOC_QUERYCTRL */ 822 NULL, /* VIDIOC_G_CTRL */ 823 NULL, /* VIDIOC_S_CTRL */ 824 utvfu_mappage, /* mmap */ 825 utvfu_get_bufsize, /* read */ 826 utvfu_start_read /* start stream for read */ 827 }; 828 829 struct audio_hw_if utvfu_au_hw_if = { 830 utvfu_audio_open, /* open hardware */ 831 utvfu_audio_close, /* close hardware */ 832 utvfu_audio_set_params, 833 NULL, 834 NULL, 835 NULL, 836 NULL, 837 NULL, 838 NULL, 839 utvfu_audio_halt_out, 840 utvfu_audio_halt_in, 841 NULL, 842 NULL, 843 utvfu_audio_mixer_set_port, 844 utvfu_audio_mixer_get_port, 845 utvfu_audio_query_devinfo, 846 NULL, 847 NULL, 848 NULL, 849 utvfu_audio_get_props, 850 utvfu_audio_trigger_output, 851 utvfu_audio_trigger_input 852 }; 853 854 int 855 utvfu_match(struct device *parent, void *match, void *aux) 856 { 857 struct usb_attach_arg *uaa = aux; 858 const struct usb_descriptor *ud; 859 struct usbd_desc_iter iter; 860 struct usb_interface_descriptor *uid = NULL; 861 const struct usb_endpoint_descriptor *ued = NULL; 862 usb_device_descriptor_t *dd; 863 int ret = UMATCH_NONE; 864 int nep, nalt; 865 uint16_t psize = 0; 866 867 if (uaa->iface == NULL) 868 return ret; 869 870 dd = usbd_get_device_descriptor(uaa->device); 871 872 if (UGETW(dd->idVendor) == USB_VENDOR_FUSHICAI && 873 UGETW(dd->idProduct) == USB_PRODUCT_FUSHICAI_USBTV007) 874 ret = UMATCH_VENDOR_PRODUCT; 875 /* 876 * This seems like a fragile check, but the original driver ensures 877 * there are two alternate settings for the interface, and alternate 878 * setting 1 has four endpoints. 879 * 880 * Comment says "Checks that the device is what we think it is." 881 * 882 * Adding check that wMaxPacketSize for the video endpoint is > 0. 883 */ 884 nep = nalt = 0; 885 usbd_desc_iter_init(uaa->device, &iter); 886 while ((ud = usbd_desc_iter_next(&iter)) != NULL) { 887 switch (ud->bDescriptorType) { 888 default: 889 break; 890 case UDESC_INTERFACE: 891 uid = (void *)ud; 892 if (uid->bInterfaceNumber == 0) 893 nalt++; 894 break; 895 case UDESC_ENDPOINT: 896 if (uid->bAlternateSetting == 1) { 897 ued = (void *)ud; 898 if (ued->bEndpointAddress == UTVFU_VIDEO_ENDP) 899 psize = UGETW(ued->wMaxPacketSize); 900 nep++; 901 } 902 break; 903 } 904 if (uid != NULL && uid->bInterfaceNumber > 0) 905 break; 906 } 907 908 if (nalt != 2 || nep != 4 || psize == 0) 909 ret = UMATCH_NONE; 910 911 return (ret); 912 } 913 914 void 915 utvfu_attach(struct device *parent, struct device *self, void *aux) 916 { 917 int i; 918 struct utvfu_softc *sc = (struct utvfu_softc *)self; 919 struct usb_attach_arg *uaa = aux; 920 921 sc->sc_udev = uaa->device; 922 for (i = 0; i < uaa->nifaces; i++) { 923 if (usbd_iface_claimed(sc->sc_udev, i)) 924 continue; 925 usbd_claim_iface(sc->sc_udev, i); 926 } 927 928 utvfu_parse_desc(sc); 929 930 /* init mmap queue */ 931 SIMPLEQ_INIT(&sc->sc_mmap_q); 932 sc->sc_mmap_count = 0; 933 934 sc->sc_max_frame_sz = utvfu_max_frame_size(); 935 936 /* calculate optimal isoc xfer size */ 937 sc->sc_nframes = (sc->sc_max_frame_sz + sc->sc_iface.psize - 1) 938 / sc->sc_iface.psize; 939 if (sc->sc_nframes > UTVFU_NFRAMES_MAX) 940 sc->sc_nframes = UTVFU_NFRAMES_MAX; 941 DPRINTF(1, "%s: nframes=%d\n", DEVNAME(sc), sc->sc_nframes); 942 943 rw_init(&sc->sc_audio.rwlock, "audiorwl"); 944 945 sc->sc_audiodev = audio_attach_mi(&utvfu_au_hw_if, sc, &sc->sc_dev); 946 sc->sc_videodev = video_attach_mi(&utvfu_vid_hw_if, sc, &sc->sc_dev); 947 } 948 949 int 950 utvfu_detach(struct device *self, int flags) 951 { 952 struct utvfu_softc *sc = (struct utvfu_softc *)self; 953 int rv = 0; 954 955 /* Wait for outstanding requests to complete */ 956 usbd_delay_ms(sc->sc_udev, UTVFU_NFRAMES_MAX); /* XXX meh? */ 957 958 if (sc->sc_videodev != NULL) 959 rv = config_detach(sc->sc_videodev, flags); 960 961 if (sc->sc_audiodev != NULL) 962 rv += config_detach(sc->sc_audiodev, flags); 963 964 utvfu_as_free(sc); 965 utvfu_vs_free(sc); 966 967 sc->sc_flags = 0; 968 969 return (rv); 970 } 971 972 usbd_status 973 utvfu_parse_desc(struct utvfu_softc *sc) 974 { 975 int nif, nep; 976 uint32_t psize; 977 struct usbd_desc_iter iter; 978 const struct usb_descriptor *ud; 979 struct usb_endpoint_descriptor *ued; 980 struct usb_interface_descriptor *uid = NULL; 981 982 nif = nep = 0; 983 usbd_desc_iter_init(sc->sc_udev, &iter); 984 while ((ud = usbd_desc_iter_next(&iter)) != NULL) { 985 if (ud->bDescriptorType != UDESC_INTERFACE) 986 continue; 987 /* looking for interface 0, alt-setting 1 */ 988 uid = (void *)ud; 989 if (uid->bInterfaceNumber > 0) 990 break; 991 if (uid->bAlternateSetting == 1) 992 break; 993 } 994 995 /* this should not fail as it was ensured during match */ 996 if (uid == NULL || uid->bInterfaceNumber != 0 || 997 uid->bAlternateSetting != 1) { 998 printf("%s: no valid alternate interface found!\n", 999 DEVNAME(sc)); 1000 return (USBD_INVAL); 1001 } 1002 1003 /* bInterfaceNumber = 0 */ 1004 sc->sc_uifaceh = &sc->sc_udev->ifaces[0]; 1005 1006 /* looking for video endpoint to on alternate setting 1 */ 1007 while ((ud = usbd_desc_iter_next(&iter)) != NULL) { 1008 if (ud->bDescriptorType != UDESC_ENDPOINT) 1009 break; 1010 1011 ued = (void *)ud; 1012 if (ued->bEndpointAddress != UTVFU_VIDEO_ENDP) 1013 continue; 1014 1015 psize = UGETW(ued->wMaxPacketSize); 1016 psize = UE_GET_SIZE(psize) * (1 + UE_GET_TRANS(psize)); 1017 sc->sc_iface.psize = psize; 1018 break; 1019 } 1020 1021 return (USBD_NORMAL_COMPLETION); 1022 } 1023 1024 int 1025 utvfu_open(void *addr, int flags, int *size, uint8_t *buffer, 1026 void (*intr)(void *), void *arg) 1027 { 1028 struct utvfu_softc *sc = addr; 1029 int rv; 1030 1031 DPRINTF(1, "%s: utvfu_open: sc=%p\n", DEVNAME(sc), sc); 1032 1033 if (usbd_is_dying(sc->sc_udev)) 1034 return (EIO); 1035 1036 if ((rv = utvfu_vs_init(sc)) != 0) 1037 return (rv); 1038 1039 /* pointers to upper video layer */ 1040 sc->sc_uplayer_arg = arg; 1041 sc->sc_uplayer_fsize = size; 1042 sc->sc_uplayer_fbuffer = buffer; 1043 sc->sc_uplayer_intr = intr; 1044 1045 sc->sc_flags &= ~UTVFU_FLAG_MMAP; 1046 1047 return (0); 1048 } 1049 1050 int 1051 utvfu_close(void *addr) 1052 { 1053 struct utvfu_softc *sc = addr; 1054 1055 DPRINTF(1, "%s: utvfu_close: sc=%p\n", DEVNAME(sc), sc); 1056 1057 /* free & clean up video stream */ 1058 utvfu_vs_free(sc); 1059 1060 return (0); 1061 } 1062 1063 usbd_status 1064 utvfu_as_open(struct utvfu_softc *sc) 1065 { 1066 usb_endpoint_descriptor_t *ed; 1067 usbd_status error; 1068 1069 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1070 1071 if (sc->sc_audio.iface.pipeh != NULL) { 1072 printf("%s: %s called while sc_audio.iface.pipeh not NULL\n", 1073 DEVNAME(sc), __func__); 1074 return (USBD_INVAL); 1075 } 1076 1077 ed = usbd_get_endpoint_descriptor(sc->sc_uifaceh, UTVFU_AUDIO_ENDP); 1078 if (ed == NULL) { 1079 printf("%s: no endpoint descriptor for AS iface\n", 1080 DEVNAME(sc)); 1081 return (USBD_INVAL); 1082 } 1083 DPRINTF(1, "%s: open pipe for ", DEVNAME(sc)); 1084 DPRINTF(1, "bEndpointAddress=0x%02x (0x%02x), wMaxPacketSize=" 1085 "0x%04x (%d)\n", 1086 UE_GET_ADDR(ed->bEndpointAddress), 1087 UTVFU_AUDIO_ENDP, 1088 UGETW(ed->wMaxPacketSize), 1089 UE_GET_SIZE(UGETW(ed->wMaxPacketSize)) 1090 * (1 + UE_GET_TRANS(UGETW(ed->wMaxPacketSize)))); 1091 1092 error = usbd_open_pipe( 1093 sc->sc_uifaceh, 1094 UTVFU_AUDIO_ENDP, 1095 USBD_EXCLUSIVE_USE, 1096 &sc->sc_audio.iface.pipeh); 1097 if (error != USBD_NORMAL_COMPLETION) { 1098 printf("%s: could not open AS pipe: %s\n", 1099 DEVNAME(sc), usbd_errstr(error)); 1100 } 1101 1102 return (error); 1103 } 1104 1105 usbd_status 1106 utvfu_vs_open(struct utvfu_softc *sc) 1107 { 1108 usb_endpoint_descriptor_t *ed; 1109 usbd_status error; 1110 1111 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1112 1113 if (sc->sc_iface.pipeh != NULL) { 1114 printf("%s: %s called while sc_iface.pipeh not NULL\n", 1115 DEVNAME(sc), __func__); 1116 return (USBD_INVAL); 1117 } 1118 1119 ed = usbd_get_endpoint_descriptor(sc->sc_uifaceh, UTVFU_VIDEO_ENDP); 1120 if (ed == NULL) { 1121 printf("%s: no endpoint descriptor for VS iface\n", 1122 DEVNAME(sc)); 1123 return (USBD_INVAL); 1124 } 1125 DPRINTF(1, "%s: open pipe for ", DEVNAME(sc)); 1126 DPRINTF(1, "bEndpointAddress=0x%02x (0x%02x), wMaxPacketSize=" 1127 "0x%04x (%d)\n", 1128 UE_GET_ADDR(ed->bEndpointAddress), 1129 UTVFU_VIDEO_ENDP, 1130 UGETW(ed->wMaxPacketSize), 1131 sc->sc_iface.psize); 1132 1133 error = usbd_open_pipe( 1134 sc->sc_uifaceh, 1135 UTVFU_VIDEO_ENDP, 1136 USBD_EXCLUSIVE_USE, 1137 &sc->sc_iface.pipeh); 1138 if (error != USBD_NORMAL_COMPLETION) { 1139 printf("%s: could not open VS pipe: %s\n", 1140 DEVNAME(sc), usbd_errstr(error)); 1141 } 1142 1143 return (error); 1144 } 1145 1146 void 1147 utvfu_as_close(struct utvfu_softc *sc) 1148 { 1149 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1150 1151 CLR(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1152 1153 if (sc->sc_audio.iface.pipeh != NULL) { 1154 usbd_abort_pipe(sc->sc_audio.iface.pipeh); 1155 1156 usbd_ref_wait(sc->sc_udev); 1157 1158 usbd_close_pipe(sc->sc_audio.iface.pipeh); 1159 sc->sc_audio.iface.pipeh = NULL; 1160 } 1161 } 1162 1163 void 1164 utvfu_vs_close(struct utvfu_softc *sc) 1165 { 1166 if (sc->sc_iface.pipeh != NULL) { 1167 usbd_close_pipe(sc->sc_iface.pipeh); 1168 sc->sc_iface.pipeh = NULL; 1169 } 1170 1171 /* 1172 * Some devices need time to shutdown before we switch back to 1173 * the default interface (0). Not doing so can leave the device 1174 * back in a undefined condition. 1175 */ 1176 usbd_delay_ms(sc->sc_udev, 100); 1177 1178 /* switch back to default interface (turns off cam LED) */ 1179 (void)usbd_set_interface(sc->sc_uifaceh, UTVFU_DFLT_IFACE_IDX); 1180 } 1181 1182 void 1183 utvfu_read(struct utvfu_softc *sc, uint8_t *buf, int len) 1184 { 1185 /* 1186 * Copy video frame to upper layer buffer and call 1187 * upper layer interrupt. 1188 */ 1189 *sc->sc_uplayer_fsize = len; 1190 memcpy(sc->sc_uplayer_fbuffer, buf, len); 1191 (*sc->sc_uplayer_intr)(sc->sc_uplayer_arg); 1192 } 1193 1194 int 1195 utvfu_as_start_bulk(struct utvfu_softc *sc) 1196 { 1197 int error; 1198 1199 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 1200 return (0); 1201 if (sc->sc_audio.iface.pipeh == NULL) 1202 return (ENXIO); 1203 1204 SET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1205 error = kthread_create(utvfu_as_bulk_thread, sc, NULL, DEVNAME(sc)); 1206 if (error) { 1207 CLR(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1208 printf("%s: can't create kernel thread!", DEVNAME(sc)); 1209 } 1210 1211 return (error); 1212 } 1213 1214 void 1215 utvfu_as_bulk_thread(void *arg) 1216 { 1217 struct utvfu_softc *sc = arg; 1218 struct utvfu_as_iface *iface; 1219 usbd_status error; 1220 uint32_t actlen; 1221 1222 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1223 1224 iface = &sc->sc_audio.iface; 1225 usbd_ref_incr(sc->sc_udev); 1226 while (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) { 1227 usbd_setup_xfer( 1228 iface->xfer, 1229 iface->pipeh, 1230 0, 1231 NULL, 1232 UTVFU_AUDIO_URBSIZE, 1233 USBD_NO_COPY | USBD_SHORT_XFER_OK | USBD_SYNCHRONOUS, 1234 0, 1235 NULL); 1236 error = usbd_transfer(iface->xfer); 1237 1238 if (error != USBD_NORMAL_COMPLETION) { 1239 DPRINTF(1, "%s: error in bulk xfer: %s!\n", 1240 DEVNAME(sc), usbd_errstr(error)); 1241 break; 1242 } 1243 1244 usbd_get_xfer_status(iface->xfer, NULL, NULL, &actlen, 1245 NULL); 1246 DPRINTF(2, "%s: *** buffer len = %d\n", DEVNAME(sc), actlen); 1247 1248 rw_enter_read(&sc->sc_audio.rwlock); 1249 utvfu_audio_decode(sc, actlen); 1250 rw_exit_read(&sc->sc_audio.rwlock); 1251 } 1252 1253 CLR(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1254 usbd_ref_decr(sc->sc_udev); 1255 1256 DPRINTF(1, "%s %s: exiting\n", DEVNAME(sc), __func__); 1257 1258 kthread_exit(0); 1259 } 1260 1261 void 1262 utvfu_vs_start_isoc(struct utvfu_softc *sc) 1263 { 1264 int i; 1265 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) 1266 utvfu_vs_start_isoc_ixfer(sc, &sc->sc_iface.ixfer[i]); 1267 } 1268 1269 void 1270 utvfu_vs_start_isoc_ixfer(struct utvfu_softc *sc, 1271 struct utvfu_isoc_xfer *ixfer) 1272 { 1273 int i; 1274 usbd_status error; 1275 1276 DPRINTF(2, "%s: %s\n", DEVNAME(sc), __func__); 1277 1278 if (usbd_is_dying(sc->sc_udev)) 1279 return; 1280 1281 for (i = 0; i < sc->sc_nframes; i++) 1282 ixfer->size[i] = sc->sc_iface.psize; 1283 1284 usbd_setup_isoc_xfer( 1285 ixfer->xfer, 1286 sc->sc_iface.pipeh, 1287 ixfer, 1288 ixfer->size, 1289 sc->sc_nframes, 1290 USBD_NO_COPY | USBD_SHORT_XFER_OK, 1291 utvfu_vs_cb); 1292 1293 error = usbd_transfer(ixfer->xfer); 1294 if (error && error != USBD_IN_PROGRESS) { 1295 DPRINTF(1, "%s: usbd_transfer error=%s!\n", 1296 DEVNAME(sc), usbd_errstr(error)); 1297 } 1298 } 1299 1300 /* 1301 * Each packet contains a number of 256-byte chunks composing the image frame. 1302 */ 1303 void 1304 utvfu_vs_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 1305 { 1306 struct utvfu_isoc_xfer *ixfer = priv; 1307 struct utvfu_softc *sc = ixfer->sc; 1308 int i, off, frame_size; 1309 uint32_t actlen; 1310 uint8_t *frame; 1311 1312 DPRINTF(2, "%s: %s\n", DEVNAME(sc), __func__); 1313 1314 if (status != USBD_NORMAL_COMPLETION) { 1315 DPRINTF(1, "%s: %s: %s\n", DEVNAME(sc), __func__, 1316 usbd_errstr(status)); 1317 return; 1318 } 1319 usbd_get_xfer_status(xfer, NULL, NULL, &actlen, NULL); 1320 1321 DPRINTF(2, "%s: *** buffer len = %d\n", DEVNAME(sc), actlen); 1322 if (actlen == 0) 1323 goto skip; 1324 1325 frame = KERNADDR(&xfer->dmabuf, 0); 1326 for (i = 0; i < sc->sc_nframes; i++, frame += sc->sc_iface.psize) { 1327 frame_size = ixfer->size[i]; 1328 1329 if (frame_size == 0) 1330 /* frame is empty */ 1331 continue; 1332 1333 #define CHUNK_STRIDE (UTVFU_CHUNK_SIZE*4) 1334 for (off = 0; off + CHUNK_STRIDE <= frame_size; 1335 off += CHUNK_STRIDE) { 1336 utvfu_image_chunk(sc, frame + off); 1337 } 1338 #undef CHUNK_STRIDE 1339 } 1340 1341 skip: /* setup new transfer */ 1342 utvfu_vs_start_isoc_ixfer(sc, ixfer); 1343 } 1344 1345 int 1346 utvfu_find_queued(struct utvfu_softc *sc) 1347 { 1348 int i; 1349 1350 /* find a buffer which is ready for queueing */ 1351 for (i = 0; i < sc->sc_mmap_count; i++) { 1352 if (sc->sc_mmap[i].v4l2_buf.flags & V4L2_BUF_FLAG_DONE) 1353 continue; 1354 if (sc->sc_mmap[i].v4l2_buf.flags & V4L2_BUF_FLAG_QUEUED) 1355 return (i); 1356 } 1357 return (-1); 1358 } 1359 1360 int 1361 utvfu_mmap_queue(struct utvfu_softc *sc, uint8_t *buf, int len) 1362 { 1363 int i; 1364 1365 if (sc->sc_mmap_count == 0 || sc->sc_mmap_buffer == NULL) 1366 panic("%s: mmap buffers not allocated", __func__); 1367 1368 /* find a buffer which is ready for queueing */ 1369 if ((i = utvfu_find_queued(sc)) == -1) { 1370 DPRINTF(2, "%s: mmap queue is full!\n", DEVNAME(sc)); 1371 return (ENOMEM); 1372 } 1373 1374 /* copy frame to mmap buffer and report length */ 1375 memcpy(sc->sc_mmap[i].buf, buf, len); 1376 sc->sc_mmap[i].v4l2_buf.bytesused = len; 1377 1378 /* timestamp it */ 1379 getmicrotime(&sc->sc_mmap[i].v4l2_buf.timestamp); 1380 1381 /* appropriately set/clear flags */ 1382 sc->sc_mmap[i].v4l2_buf.flags &= ~V4L2_BUF_FLAG_QUEUED; 1383 sc->sc_mmap[i].v4l2_buf.flags |= V4L2_BUF_FLAG_DONE; 1384 1385 /* queue it */ 1386 SIMPLEQ_INSERT_TAIL(&sc->sc_mmap_q, &sc->sc_mmap[i], q_frames); 1387 DPRINTF(2, "%s: %s: frame queued on index %d\n", 1388 DEVNAME(sc), __func__, i); 1389 1390 wakeup(sc); 1391 1392 /* 1393 * In case userland uses poll(2), signal that we have a frame 1394 * ready to dequeue. 1395 */ 1396 (*sc->sc_uplayer_intr)(sc->sc_uplayer_arg); 1397 1398 return (0); 1399 } 1400 1401 caddr_t 1402 utvfu_mappage(void *v, off_t off, int prot) 1403 { 1404 struct utvfu_softc *sc = v; 1405 caddr_t p = NULL; 1406 1407 if (off < sc->sc_mmap_bufsz) { 1408 if ((sc->sc_flags & UTVFU_FLAG_MMAP) == 0) 1409 sc->sc_flags |= UTVFU_FLAG_MMAP; 1410 1411 p = sc->sc_mmap_buffer + off; 1412 } 1413 1414 return (p); 1415 } 1416 1417 int 1418 utvfu_get_bufsize(void *v) 1419 { 1420 struct utvfu_softc *sc = v; 1421 /* YUYV/YUV-422: 4 bytes/2 pixel */ 1422 return (utvfu_norm_params[sc->sc_normi].cap_width * 1423 utvfu_norm_params[sc->sc_normi].cap_height * 2); 1424 } 1425 1426 int 1427 utvfu_start_read(void *v) 1428 { 1429 struct utvfu_softc *sc = v; 1430 usbd_status error; 1431 1432 if (sc->sc_flags & UTVFU_FLAG_MMAP) 1433 sc->sc_flags &= ~UTVFU_FLAG_MMAP; 1434 1435 /* open video stream pipe */ 1436 error = utvfu_vs_open(sc); 1437 if (error != USBD_NORMAL_COMPLETION) 1438 return (EINVAL); 1439 1440 utvfu_vs_start_isoc(sc); 1441 1442 return (0); 1443 } 1444 1445 void 1446 utvfu_audio_clear_client(struct utvfu_softc *sc) 1447 { 1448 rw_enter_write(&sc->sc_audio.rwlock); 1449 1450 sc->sc_audio.intr = NULL; 1451 sc->sc_audio.intr_arg = NULL; 1452 sc->sc_audio.start = NULL; 1453 sc->sc_audio.end = NULL; 1454 sc->sc_audio.cur = NULL; 1455 sc->sc_audio.blksize = 0; 1456 1457 rw_exit_write(&sc->sc_audio.rwlock); 1458 } 1459 1460 void 1461 utvfu_as_free(struct utvfu_softc *sc) 1462 { 1463 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1464 1465 utvfu_as_close(sc); 1466 utvfu_as_free_bulk(sc); 1467 } 1468 1469 void 1470 utvfu_vs_free(struct utvfu_softc *sc) 1471 { 1472 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1473 utvfu_vs_close(sc); 1474 utvfu_vs_free_isoc(sc); 1475 utvfu_vs_free_frame(sc); 1476 } 1477 1478 int 1479 utvfu_as_init(struct utvfu_softc *sc) 1480 { 1481 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1482 1483 if (sc->sc_audio.iface.xfer != NULL) 1484 return (0); 1485 1486 /* allocate audio and video stream xfer buffer */ 1487 return utvfu_as_alloc_bulk(sc); 1488 } 1489 1490 int 1491 utvfu_vs_init(struct utvfu_softc *sc) 1492 { 1493 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1494 1495 if (utvfu_start_capture(sc) != 0) 1496 return (EINVAL); 1497 1498 if (utvfu_vs_alloc_isoc(sc) != 0 || utvfu_vs_alloc_frame(sc) != 0) 1499 return (ENOMEM); 1500 1501 return (0); 1502 } 1503 1504 int 1505 utvfu_vs_alloc_frame(struct utvfu_softc *sc) 1506 { 1507 struct utvfu_frame_buf *fb = &sc->sc_fb; 1508 1509 fb->size = sc->sc_max_frame_sz; 1510 fb->buf = malloc(fb->size, M_DEVBUF, M_NOWAIT); 1511 if (fb->buf == NULL) { 1512 printf("%s: can't allocate frame buffer!\n", DEVNAME(sc)); 1513 return (ENOMEM); 1514 } 1515 1516 DPRINTF(1, "%s: %s: allocated %d bytes frame buffer\n", 1517 DEVNAME(sc), __func__, fb->size); 1518 1519 fb->chunks_done = 0; 1520 fb->fid = 0; 1521 fb->last_odd = 1; 1522 1523 return (0); 1524 } 1525 1526 void 1527 utvfu_vs_free_frame(struct utvfu_softc *sc) 1528 { 1529 struct utvfu_frame_buf *fb = &sc->sc_fb; 1530 1531 if (fb->buf != NULL) { 1532 free(fb->buf, M_DEVBUF, fb->size); 1533 fb->buf = NULL; 1534 } 1535 1536 if (sc->sc_mmap_buffer != NULL) { 1537 free(sc->sc_mmap_buffer, M_DEVBUF, sc->sc_mmap_bufsz); 1538 sc->sc_mmap_buffer = NULL; 1539 memset(sc->sc_mmap, 0, sizeof(sc->sc_mmap)); 1540 } 1541 1542 while (!SIMPLEQ_EMPTY(&sc->sc_mmap_q)) 1543 SIMPLEQ_REMOVE_HEAD(&sc->sc_mmap_q, q_frames); 1544 1545 sc->sc_mmap_count = 0; 1546 } 1547 1548 usbd_status 1549 utvfu_vs_alloc_isoc(struct utvfu_softc *sc) 1550 { 1551 int size, i; 1552 void *buf; 1553 1554 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1555 1556 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) { 1557 sc->sc_iface.ixfer[i].sc = sc; 1558 sc->sc_iface.ixfer[i].xfer = usbd_alloc_xfer(sc->sc_udev); 1559 if (sc->sc_iface.ixfer[i].xfer == NULL) { 1560 printf("%s: could not allocate isoc VS xfer!\n", 1561 DEVNAME(sc)); 1562 return (USBD_NOMEM); 1563 } 1564 1565 size = sc->sc_iface.psize * sc->sc_nframes; 1566 1567 buf = usbd_alloc_buffer(sc->sc_iface.ixfer[i].xfer, size); 1568 if (buf == NULL) { 1569 printf("%s: could not allocate isoc VS buffer!\n", 1570 DEVNAME(sc)); 1571 return (USBD_NOMEM); 1572 } 1573 DPRINTF(1, "%s: allocated %d bytes isoc VS xfer buffer\n", 1574 DEVNAME(sc), size); 1575 } 1576 1577 return (USBD_NORMAL_COMPLETION); 1578 } 1579 1580 int 1581 utvfu_as_alloc_bulk(struct utvfu_softc *sc) 1582 { 1583 struct usbd_xfer *xfer; 1584 1585 xfer = usbd_alloc_xfer(sc->sc_udev); 1586 if (xfer == NULL) { 1587 printf("%s: could not allocate bulk AUDIO xfer!\n", 1588 DEVNAME(sc)); 1589 return (ENOMEM); 1590 } 1591 1592 if (usbd_alloc_buffer(xfer, UTVFU_AUDIO_URBSIZE) == NULL) { 1593 usbd_free_xfer(xfer); 1594 printf("%s: could not allocate bulk AUDIO buffer!\n", 1595 DEVNAME(sc)); 1596 return (ENOMEM); 1597 } 1598 DPRINTF(1, "%s: allocated %d bytes bulk AUDIO xfer buffer\n", 1599 DEVNAME(sc), UTVFU_AUDIO_URBSIZE); 1600 1601 sc->sc_audio.iface.xfer = xfer; 1602 1603 return (0); 1604 } 1605 1606 void 1607 utvfu_vs_free_isoc(struct utvfu_softc *sc) 1608 { 1609 int i; 1610 1611 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1612 1613 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) { 1614 if (sc->sc_iface.ixfer[i].xfer != NULL) { 1615 usbd_free_xfer(sc->sc_iface.ixfer[i].xfer); 1616 sc->sc_iface.ixfer[i].xfer = NULL; 1617 } 1618 } 1619 } 1620 1621 void 1622 utvfu_as_free_bulk(struct utvfu_softc *sc) 1623 { 1624 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1625 1626 if (sc->sc_audio.iface.xfer != NULL) { 1627 usbd_free_xfer(sc->sc_audio.iface.xfer); 1628 sc->sc_audio.iface.xfer = NULL; 1629 } 1630 } 1631 1632 int 1633 utvfu_reqbufs(void *v, struct v4l2_requestbuffers *rb) 1634 { 1635 struct utvfu_softc *sc = v; 1636 int i; 1637 1638 DPRINTF(1, "%s: %s: count=%d\n", DEVNAME(sc), __func__, rb->count); 1639 1640 /* We do not support freeing buffers via reqbufs(0) */ 1641 if (rb->count == 0) 1642 return (EINVAL); 1643 1644 if (sc->sc_mmap_count > 0 || sc->sc_mmap_buffer != NULL) { 1645 DPRINTF(1, "%s: %s: mmap buffers already allocated\n", 1646 DEVNAME(sc), __func__); 1647 return (EINVAL); 1648 } 1649 1650 /* limit the buffers */ 1651 if (rb->count > UTVFU_MAX_BUFFERS) 1652 sc->sc_mmap_count = UTVFU_MAX_BUFFERS; 1653 else 1654 sc->sc_mmap_count = rb->count; 1655 1656 /* allocate the total mmap buffer */ 1657 sc->sc_mmap_bufsz = sc->sc_max_frame_sz; 1658 if (INT_MAX / sc->sc_mmap_count < sc->sc_max_frame_sz) /* overflow */ 1659 return (ENOMEM); 1660 sc->sc_mmap_bufsz *= sc->sc_mmap_count; 1661 sc->sc_mmap_bufsz = round_page(sc->sc_mmap_bufsz); /* page align */ 1662 sc->sc_mmap_buffer = malloc(sc->sc_mmap_bufsz, M_DEVBUF, M_NOWAIT); 1663 if (sc->sc_mmap_buffer == NULL) { 1664 printf("%s: can't allocate mmap buffer!\n", DEVNAME(sc)); 1665 return (ENOMEM); 1666 } 1667 DPRINTF(1, "%s: allocated %d bytes mmap buffer\n", 1668 DEVNAME(sc), sc->sc_mmap_bufsz); 1669 1670 /* fill the v4l2_buffer structure */ 1671 for (i = 0; i < sc->sc_mmap_count; i++) { 1672 sc->sc_mmap[i].buf = sc->sc_mmap_buffer 1673 + (i * sc->sc_max_frame_sz); 1674 sc->sc_mmap[i].v4l2_buf.index = i; 1675 sc->sc_mmap[i].v4l2_buf.m.offset = i * sc->sc_max_frame_sz; 1676 sc->sc_mmap[i].v4l2_buf.length = sc->sc_max_frame_sz; 1677 sc->sc_mmap[i].v4l2_buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1678 sc->sc_mmap[i].v4l2_buf.sequence = 0; 1679 sc->sc_mmap[i].v4l2_buf.field = V4L2_FIELD_NONE; 1680 sc->sc_mmap[i].v4l2_buf.memory = V4L2_MEMORY_MMAP; 1681 sc->sc_mmap[i].v4l2_buf.flags = V4L2_BUF_FLAG_MAPPED; 1682 1683 DPRINTF(1, "%s: %s: index=%d, offset=%d, length=%d\n", 1684 DEVNAME(sc), __func__, 1685 sc->sc_mmap[i].v4l2_buf.index, 1686 sc->sc_mmap[i].v4l2_buf.m.offset, 1687 sc->sc_mmap[i].v4l2_buf.length); 1688 } 1689 1690 /* tell how many buffers we have really allocated */ 1691 rb->count = sc->sc_mmap_count; 1692 1693 return (0); 1694 } 1695 1696 int 1697 utvfu_querybuf(void *v, struct v4l2_buffer *qb) 1698 { 1699 struct utvfu_softc *sc = v; 1700 1701 if (qb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1702 qb->memory != V4L2_MEMORY_MMAP || 1703 qb->index >= sc->sc_mmap_count) 1704 return (EINVAL); 1705 1706 memcpy(qb, &sc->sc_mmap[qb->index].v4l2_buf, 1707 sizeof(struct v4l2_buffer)); 1708 1709 DPRINTF(1, "%s: %s: index=%d, offset=%d, length=%d\n", 1710 DEVNAME(sc), __func__, qb->index, qb->m.offset, qb->length); 1711 1712 return (0); 1713 } 1714 1715 int 1716 utvfu_qbuf(void *v, struct v4l2_buffer *qb) 1717 { 1718 struct utvfu_softc *sc = v; 1719 1720 if (qb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1721 qb->memory != V4L2_MEMORY_MMAP || 1722 qb->index >= sc->sc_mmap_count) 1723 return (EINVAL); 1724 1725 sc->sc_mmap[qb->index].v4l2_buf.flags &= ~V4L2_BUF_FLAG_DONE; 1726 sc->sc_mmap[qb->index].v4l2_buf.flags |= V4L2_BUF_FLAG_MAPPED; 1727 sc->sc_mmap[qb->index].v4l2_buf.flags |= V4L2_BUF_FLAG_QUEUED; 1728 1729 DPRINTF(2, "%s: %s: buffer on index %d ready for queueing\n", 1730 DEVNAME(sc), __func__, qb->index); 1731 1732 return (0); 1733 } 1734 1735 int 1736 utvfu_dqbuf(void *v, struct v4l2_buffer *dqb) 1737 { 1738 struct utvfu_softc *sc = v; 1739 struct utvfu_mmap *mmap; 1740 int error; 1741 1742 if (dqb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1743 dqb->memory != V4L2_MEMORY_MMAP) 1744 return (EINVAL); 1745 1746 if (SIMPLEQ_EMPTY(&sc->sc_mmap_q)) { 1747 /* mmap queue is empty, block until first frame is queued */ 1748 error = tsleep_nsec(sc, 0, "vid_mmap", SEC_TO_NSEC(10)); 1749 if (error) 1750 return (EINVAL); 1751 } 1752 1753 mmap = SIMPLEQ_FIRST(&sc->sc_mmap_q); 1754 if (mmap == NULL) 1755 panic("utvfu_dqbuf: NULL pointer!"); 1756 1757 memcpy(dqb, &mmap->v4l2_buf, sizeof(struct v4l2_buffer)); 1758 1759 mmap->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_DONE|V4L2_BUF_FLAG_QUEUED); 1760 mmap->v4l2_buf.flags |= V4L2_BUF_FLAG_MAPPED; 1761 1762 DPRINTF(2, "%s: %s: frame dequeued from index %d\n", 1763 DEVNAME(sc), __func__, mmap->v4l2_buf.index); 1764 SIMPLEQ_REMOVE_HEAD(&sc->sc_mmap_q, q_frames); 1765 1766 return (0); 1767 } 1768 1769 int 1770 utvfu_streamon(void *v, int type) 1771 { 1772 struct utvfu_softc *sc = v; 1773 usbd_status error; 1774 1775 /* open video stream pipe */ 1776 error = utvfu_vs_open(sc); 1777 if (error != USBD_NORMAL_COMPLETION) 1778 return (EINVAL); 1779 1780 utvfu_vs_start_isoc(sc); 1781 1782 return (0); 1783 } 1784 1785 int 1786 utvfu_streamoff(void *v, int type) 1787 { 1788 utvfu_vs_close(v); 1789 return (0); 1790 } 1791 1792 int 1793 utvfu_queryctrl(void *v, struct v4l2_queryctrl *qctrl) 1794 { 1795 qctrl->flags = V4L2_CTRL_FLAG_DISABLED; 1796 return (0); 1797 } 1798 1799 int 1800 utvfu_g_parm(void *v, struct v4l2_streamparm *parm) 1801 { 1802 struct utvfu_softc *sc = v; 1803 1804 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1805 return (EINVAL); 1806 /* 1807 * XXX Unsure whether there is a way to negotiate this with the 1808 * device, but returning 0 will allow xenocara's video to run 1809 */ 1810 switch (utvfu_norm_params[sc->sc_normi].norm) { 1811 default: 1812 return (EINVAL); 1813 case V4L2_STD_525_60: 1814 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; 1815 parm->parm.capture.capturemode = 0; 1816 parm->parm.capture.timeperframe.numerator = 30; 1817 parm->parm.capture.timeperframe.denominator = 1; 1818 break; 1819 case V4L2_STD_PAL: 1820 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; 1821 parm->parm.capture.capturemode = 0; 1822 parm->parm.capture.timeperframe.numerator = 25; 1823 parm->parm.capture.timeperframe.denominator = 1; 1824 break; 1825 } 1826 return (0); 1827 } 1828 1829 int 1830 utvfu_s_parm(void *v, struct v4l2_streamparm *parm) 1831 { 1832 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1833 return (EINVAL); 1834 return (0); 1835 } 1836 1837 /* 1838 * A U D I O O P S 1839 */ 1840 1841 int 1842 utvfu_audio_open(void *v, int flags) 1843 { 1844 struct utvfu_softc *sc = v; 1845 1846 if (usbd_is_dying(sc->sc_udev)) 1847 return (EIO); 1848 1849 if ((flags & FWRITE)) 1850 return (ENXIO); 1851 1852 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 1853 return (EBUSY); 1854 1855 return utvfu_as_init(sc); 1856 } 1857 1858 void 1859 utvfu_audio_close(void *v) 1860 { 1861 struct utvfu_softc *sc = v; 1862 1863 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1864 1865 utvfu_audio_stop(sc); 1866 utvfu_audio_clear_client(sc); 1867 } 1868 1869 int 1870 utvfu_audio_set_params(void *v, int setmode, int usemode, 1871 struct audio_params *play, struct audio_params *rec) 1872 { 1873 struct utvfu_softc *sc = v; 1874 1875 if (usbd_is_dying(sc->sc_udev)) 1876 return (EIO); 1877 1878 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1879 1880 /* XXX ? */ 1881 play->sample_rate = 0; 1882 play->encoding = AUDIO_ENCODING_NONE; 1883 1884 rec->sample_rate = 48000; 1885 rec->encoding = AUDIO_ENCODING_SLINEAR_LE; 1886 rec->precision = 16; 1887 rec->bps = 2; 1888 rec->msb = 1; 1889 rec->channels = 2; 1890 1891 return (0); 1892 } 1893 1894 int 1895 utvfu_audio_halt_out(void *v) 1896 { 1897 return (EIO); 1898 } 1899 1900 int 1901 utvfu_audio_halt_in(void *v) 1902 { 1903 struct utvfu_softc *sc = v; 1904 1905 if (usbd_is_dying(sc->sc_udev)) 1906 return (EIO); 1907 1908 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1909 1910 utvfu_audio_stop(sc); 1911 utvfu_audio_clear_client(sc); 1912 1913 return (0); 1914 } 1915 1916 int 1917 utvfu_audio_mixer_set_port(void *v, struct mixer_ctrl *cp) 1918 { 1919 struct utvfu_softc *sc = v; 1920 1921 if (usbd_is_dying(sc->sc_udev)) 1922 return (EIO); 1923 1924 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1925 1926 if (cp->type != AUDIO_MIXER_ENUM || 1927 cp->un.ord < 0 || cp->un.ord > 1) 1928 return (EINVAL); 1929 /* XXX TODO */ 1930 DPRINTF(1, "%s %s: cp->un.ord=%d\n", DEVNAME(sc), __func__, cp->un.ord); 1931 return (0); 1932 } 1933 1934 int 1935 utvfu_audio_mixer_get_port(void *v, struct mixer_ctrl *cp) 1936 { 1937 struct utvfu_softc *sc = v; 1938 1939 if (usbd_is_dying(sc->sc_udev)) 1940 return (EIO); 1941 1942 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1943 1944 if (cp->type != AUDIO_MIXER_ENUM || 1945 cp->un.ord < 0 || cp->un.ord > 1) 1946 return (EINVAL); 1947 /* XXX TODO */ 1948 DPRINTF(1, "%s %s: cp->un.ord=%d\n", DEVNAME(sc), __func__, cp->un.ord); 1949 return (0); 1950 } 1951 1952 int 1953 utvfu_audio_query_devinfo(void *v, struct mixer_devinfo *mi) 1954 { 1955 struct utvfu_softc *sc = v; 1956 1957 if (usbd_is_dying(sc->sc_udev)) 1958 return (EIO); 1959 1960 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1961 1962 if (mi->index != 0) 1963 return (EINVAL); 1964 1965 /* XXX SOMEONE WITH AUDIO EXPERTIZE NEEDS TO HELP HERE */ 1966 strlcpy(mi->label.name, "mix0-i0", sizeof(mi->label.name)); 1967 mi->type = AUDIO_MIXER_ENUM; 1968 mi->un.e.num_mem = 2; 1969 mi->un.e.member[0].ord = 0; 1970 strlcpy(mi->un.e.member[0].label.name, AudioNoff, 1971 sizeof(mi->un.e.member[0].label.name)); 1972 mi->un.e.member[1].ord = 1; 1973 strlcpy(mi->un.e.member[1].label.name, AudioNon, 1974 sizeof(mi->un.e.member[1].label.name)); 1975 1976 return (0); 1977 } 1978 1979 int 1980 utvfu_audio_get_props(void *v) 1981 { 1982 return (0); 1983 } 1984 1985 int 1986 utvfu_audio_trigger_output(void *v, void *start, void *end, int blksize, 1987 void (*intr)(void *), void *arg, struct audio_params *param) 1988 { 1989 return (EIO); 1990 } 1991 1992 int 1993 utvfu_audio_trigger_input(void *v, void *start, void *end, int blksize, 1994 void (*intr)(void *), void *arg, struct audio_params *param) 1995 { 1996 struct utvfu_softc *sc = v; 1997 1998 if (usbd_is_dying(sc->sc_udev)) 1999 return (EIO); 2000 2001 rw_enter_write(&sc->sc_audio.rwlock); 2002 2003 sc->sc_audio.intr_arg = arg; 2004 sc->sc_audio.intr = intr; 2005 sc->sc_audio.start = start; 2006 sc->sc_audio.end = end; 2007 sc->sc_audio.cur = start; 2008 sc->sc_audio.blksize = blksize; 2009 2010 rw_exit_write(&sc->sc_audio.rwlock); 2011 2012 DPRINTF(1, "%s %s: start=%p end=%p diff=%lu blksize=%d\n", 2013 DEVNAME(sc), __func__, start, end, 2014 ((u_char *)end - (u_char *)start), blksize); 2015 2016 return utvfu_audio_start(sc); 2017 } 2018 2019 int 2020 utvfu_audio_start(struct utvfu_softc *sc) 2021 { 2022 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 2023 2024 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 2025 return (0); 2026 2027 utvfu_audio_start_chip(sc); 2028 2029 if (utvfu_as_init(sc) != 0) 2030 return (ENOMEM); 2031 if (sc->sc_audio.iface.pipeh == NULL) { 2032 if (utvfu_as_open(sc) != USBD_NORMAL_COMPLETION) 2033 return (ENOMEM); 2034 } 2035 2036 return utvfu_as_start_bulk(sc); 2037 } 2038 2039 int 2040 utvfu_audio_stop(struct utvfu_softc *sc) 2041 { 2042 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 2043 2044 utvfu_audio_stop_chip(sc); 2045 utvfu_as_free(sc); 2046 2047 return (0); 2048 } 2049