1 /* $OpenBSD: utvfu.c,v 1.10 2019/10/14 09:20:48 mpi 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_abort_pipe(sc->sc_iface.pipeh); 1168 usbd_close_pipe(sc->sc_iface.pipeh); 1169 sc->sc_iface.pipeh = NULL; 1170 } 1171 1172 /* 1173 * Some devices need time to shutdown before we switch back to 1174 * the default interface (0). Not doing so can leave the device 1175 * back in a undefined condition. 1176 */ 1177 usbd_delay_ms(sc->sc_udev, 100); 1178 1179 /* switch back to default interface (turns off cam LED) */ 1180 (void)usbd_set_interface(sc->sc_uifaceh, UTVFU_DFLT_IFACE_IDX); 1181 } 1182 1183 void 1184 utvfu_read(struct utvfu_softc *sc, uint8_t *buf, int len) 1185 { 1186 /* 1187 * Copy video frame to upper layer buffer and call 1188 * upper layer interrupt. 1189 */ 1190 *sc->sc_uplayer_fsize = len; 1191 memcpy(sc->sc_uplayer_fbuffer, buf, len); 1192 (*sc->sc_uplayer_intr)(sc->sc_uplayer_arg); 1193 } 1194 1195 int 1196 utvfu_as_start_bulk(struct utvfu_softc *sc) 1197 { 1198 int error; 1199 1200 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 1201 return (0); 1202 if (sc->sc_audio.iface.pipeh == NULL) 1203 return (ENXIO); 1204 1205 SET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1206 error = kthread_create(utvfu_as_bulk_thread, sc, NULL, DEVNAME(sc)); 1207 if (error) { 1208 CLR(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1209 printf("%s: can't create kernel thread!", DEVNAME(sc)); 1210 } 1211 1212 return (error); 1213 } 1214 1215 void 1216 utvfu_as_bulk_thread(void *arg) 1217 { 1218 struct utvfu_softc *sc = arg; 1219 struct utvfu_as_iface *iface; 1220 usbd_status error; 1221 uint32_t actlen; 1222 1223 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1224 1225 iface = &sc->sc_audio.iface; 1226 usbd_ref_incr(sc->sc_udev); 1227 while (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) { 1228 usbd_setup_xfer( 1229 iface->xfer, 1230 iface->pipeh, 1231 0, 1232 NULL, 1233 UTVFU_AUDIO_URBSIZE, 1234 USBD_NO_COPY | USBD_SHORT_XFER_OK | USBD_SYNCHRONOUS, 1235 0, 1236 NULL); 1237 error = usbd_transfer(iface->xfer); 1238 1239 if (error != USBD_NORMAL_COMPLETION) { 1240 DPRINTF(1, "%s: error in bulk xfer: %s!\n", 1241 DEVNAME(sc), usbd_errstr(error)); 1242 break; 1243 } 1244 1245 usbd_get_xfer_status(iface->xfer, NULL, NULL, &actlen, 1246 NULL); 1247 DPRINTF(2, "%s: *** buffer len = %d\n", DEVNAME(sc), actlen); 1248 1249 rw_enter_read(&sc->sc_audio.rwlock); 1250 utvfu_audio_decode(sc, actlen); 1251 rw_exit_read(&sc->sc_audio.rwlock); 1252 } 1253 1254 CLR(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1255 usbd_ref_decr(sc->sc_udev); 1256 1257 DPRINTF(1, "%s %s: exiting\n", DEVNAME(sc), __func__); 1258 1259 kthread_exit(0); 1260 } 1261 1262 void 1263 utvfu_vs_start_isoc(struct utvfu_softc *sc) 1264 { 1265 int i; 1266 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) 1267 utvfu_vs_start_isoc_ixfer(sc, &sc->sc_iface.ixfer[i]); 1268 } 1269 1270 void 1271 utvfu_vs_start_isoc_ixfer(struct utvfu_softc *sc, 1272 struct utvfu_isoc_xfer *ixfer) 1273 { 1274 int i; 1275 usbd_status error; 1276 1277 DPRINTF(2, "%s: %s\n", DEVNAME(sc), __func__); 1278 1279 if (usbd_is_dying(sc->sc_udev)) 1280 return; 1281 1282 for (i = 0; i < sc->sc_nframes; i++) 1283 ixfer->size[i] = sc->sc_iface.psize; 1284 1285 usbd_setup_isoc_xfer( 1286 ixfer->xfer, 1287 sc->sc_iface.pipeh, 1288 ixfer, 1289 ixfer->size, 1290 sc->sc_nframes, 1291 USBD_NO_COPY | USBD_SHORT_XFER_OK, 1292 utvfu_vs_cb); 1293 1294 error = usbd_transfer(ixfer->xfer); 1295 if (error && error != USBD_IN_PROGRESS) { 1296 DPRINTF(1, "%s: usbd_transfer error=%s!\n", 1297 DEVNAME(sc), usbd_errstr(error)); 1298 } 1299 } 1300 1301 /* 1302 * Each packet contains a number of 256-byte chunks composing the image frame. 1303 */ 1304 void 1305 utvfu_vs_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 1306 { 1307 struct utvfu_isoc_xfer *ixfer = priv; 1308 struct utvfu_softc *sc = ixfer->sc; 1309 int i, off, frame_size; 1310 uint32_t actlen; 1311 uint8_t *frame; 1312 1313 DPRINTF(2, "%s: %s\n", DEVNAME(sc), __func__); 1314 1315 if (status != USBD_NORMAL_COMPLETION) { 1316 DPRINTF(1, "%s: %s: %s\n", DEVNAME(sc), __func__, 1317 usbd_errstr(status)); 1318 return; 1319 } 1320 usbd_get_xfer_status(xfer, NULL, NULL, &actlen, NULL); 1321 1322 DPRINTF(2, "%s: *** buffer len = %d\n", DEVNAME(sc), actlen); 1323 if (actlen == 0) 1324 goto skip; 1325 1326 frame = KERNADDR(&xfer->dmabuf, 0); 1327 for (i = 0; i < sc->sc_nframes; i++, frame += sc->sc_iface.psize) { 1328 frame_size = ixfer->size[i]; 1329 1330 if (frame_size == 0) 1331 /* frame is empty */ 1332 continue; 1333 1334 #define CHUNK_STRIDE (UTVFU_CHUNK_SIZE*4) 1335 for (off = 0; off + CHUNK_STRIDE <= frame_size; 1336 off += CHUNK_STRIDE) { 1337 utvfu_image_chunk(sc, frame + off); 1338 } 1339 #undef CHUNK_STRIDE 1340 } 1341 1342 skip: /* setup new transfer */ 1343 utvfu_vs_start_isoc_ixfer(sc, ixfer); 1344 } 1345 1346 int 1347 utvfu_find_queued(struct utvfu_softc *sc) 1348 { 1349 int i; 1350 1351 /* find a buffer which is ready for queueing */ 1352 for (i = 0; i < sc->sc_mmap_count; i++) { 1353 if (sc->sc_mmap[i].v4l2_buf.flags & V4L2_BUF_FLAG_DONE) 1354 continue; 1355 if (sc->sc_mmap[i].v4l2_buf.flags & V4L2_BUF_FLAG_QUEUED) 1356 return (i); 1357 } 1358 return (-1); 1359 } 1360 1361 int 1362 utvfu_mmap_queue(struct utvfu_softc *sc, uint8_t *buf, int len) 1363 { 1364 int i; 1365 1366 if (sc->sc_mmap_count == 0 || sc->sc_mmap_buffer == NULL) 1367 panic("%s: mmap buffers not allocated", __func__); 1368 1369 /* find a buffer which is ready for queueing */ 1370 if ((i = utvfu_find_queued(sc)) == -1) { 1371 DPRINTF(2, "%s: mmap queue is full!\n", DEVNAME(sc)); 1372 return (ENOMEM); 1373 } 1374 1375 /* copy frame to mmap buffer and report length */ 1376 memcpy(sc->sc_mmap[i].buf, buf, len); 1377 sc->sc_mmap[i].v4l2_buf.bytesused = len; 1378 1379 /* timestamp it */ 1380 getmicrotime(&sc->sc_mmap[i].v4l2_buf.timestamp); 1381 1382 /* appropriately set/clear flags */ 1383 sc->sc_mmap[i].v4l2_buf.flags &= ~V4L2_BUF_FLAG_QUEUED; 1384 sc->sc_mmap[i].v4l2_buf.flags |= V4L2_BUF_FLAG_DONE; 1385 1386 /* queue it */ 1387 SIMPLEQ_INSERT_TAIL(&sc->sc_mmap_q, &sc->sc_mmap[i], q_frames); 1388 DPRINTF(2, "%s: %s: frame queued on index %d\n", 1389 DEVNAME(sc), __func__, i); 1390 1391 wakeup(sc); 1392 1393 /* 1394 * In case userland uses poll(2), signal that we have a frame 1395 * ready to dequeue. 1396 */ 1397 (*sc->sc_uplayer_intr)(sc->sc_uplayer_arg); 1398 1399 return (0); 1400 } 1401 1402 caddr_t 1403 utvfu_mappage(void *v, off_t off, int prot) 1404 { 1405 struct utvfu_softc *sc = v; 1406 caddr_t p = NULL; 1407 1408 if (off < sc->sc_mmap_bufsz) { 1409 if ((sc->sc_flags & UTVFU_FLAG_MMAP) == 0) 1410 sc->sc_flags |= UTVFU_FLAG_MMAP; 1411 1412 p = sc->sc_mmap_buffer + off; 1413 } 1414 1415 return (p); 1416 } 1417 1418 int 1419 utvfu_get_bufsize(void *v) 1420 { 1421 struct utvfu_softc *sc = v; 1422 /* YUYV/YUV-422: 4 bytes/2 pixel */ 1423 return (utvfu_norm_params[sc->sc_normi].cap_width * 1424 utvfu_norm_params[sc->sc_normi].cap_height * 2); 1425 } 1426 1427 int 1428 utvfu_start_read(void *v) 1429 { 1430 struct utvfu_softc *sc = v; 1431 usbd_status error; 1432 1433 if (sc->sc_flags & UTVFU_FLAG_MMAP) 1434 sc->sc_flags &= ~UTVFU_FLAG_MMAP; 1435 1436 /* open video stream pipe */ 1437 error = utvfu_vs_open(sc); 1438 if (error != USBD_NORMAL_COMPLETION) 1439 return (EINVAL); 1440 1441 utvfu_vs_start_isoc(sc); 1442 1443 return (0); 1444 } 1445 1446 void 1447 utvfu_audio_clear_client(struct utvfu_softc *sc) 1448 { 1449 rw_enter_write(&sc->sc_audio.rwlock); 1450 1451 sc->sc_audio.intr = NULL; 1452 sc->sc_audio.intr_arg = NULL; 1453 sc->sc_audio.start = NULL; 1454 sc->sc_audio.end = NULL; 1455 sc->sc_audio.cur = NULL; 1456 sc->sc_audio.blksize = 0; 1457 1458 rw_exit_write(&sc->sc_audio.rwlock); 1459 } 1460 1461 void 1462 utvfu_as_free(struct utvfu_softc *sc) 1463 { 1464 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1465 1466 utvfu_as_close(sc); 1467 utvfu_as_free_bulk(sc); 1468 } 1469 1470 void 1471 utvfu_vs_free(struct utvfu_softc *sc) 1472 { 1473 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1474 utvfu_vs_close(sc); 1475 utvfu_vs_free_isoc(sc); 1476 utvfu_vs_free_frame(sc); 1477 } 1478 1479 int 1480 utvfu_as_init(struct utvfu_softc *sc) 1481 { 1482 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1483 1484 if (sc->sc_audio.iface.xfer != NULL) 1485 return (0); 1486 1487 /* allocate audio and video stream xfer buffer */ 1488 return utvfu_as_alloc_bulk(sc); 1489 } 1490 1491 int 1492 utvfu_vs_init(struct utvfu_softc *sc) 1493 { 1494 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1495 1496 if (utvfu_start_capture(sc) != 0) 1497 return (EINVAL); 1498 1499 if (utvfu_vs_alloc_isoc(sc) != 0 || utvfu_vs_alloc_frame(sc) != 0) 1500 return (ENOMEM); 1501 1502 return (0); 1503 } 1504 1505 int 1506 utvfu_vs_alloc_frame(struct utvfu_softc *sc) 1507 { 1508 struct utvfu_frame_buf *fb = &sc->sc_fb; 1509 1510 fb->size = sc->sc_max_frame_sz; 1511 fb->buf = malloc(fb->size, M_DEVBUF, M_NOWAIT); 1512 if (fb->buf == NULL) { 1513 printf("%s: can't allocate frame buffer!\n", DEVNAME(sc)); 1514 return (ENOMEM); 1515 } 1516 1517 DPRINTF(1, "%s: %s: allocated %d bytes frame buffer\n", 1518 DEVNAME(sc), __func__, fb->size); 1519 1520 fb->chunks_done = 0; 1521 fb->fid = 0; 1522 fb->last_odd = 1; 1523 1524 return (0); 1525 } 1526 1527 void 1528 utvfu_vs_free_frame(struct utvfu_softc *sc) 1529 { 1530 struct utvfu_frame_buf *fb = &sc->sc_fb; 1531 1532 if (fb->buf != NULL) { 1533 free(fb->buf, M_DEVBUF, fb->size); 1534 fb->buf = NULL; 1535 } 1536 1537 if (sc->sc_mmap_buffer != NULL) { 1538 free(sc->sc_mmap_buffer, M_DEVBUF, sc->sc_mmap_bufsz); 1539 sc->sc_mmap_buffer = NULL; 1540 memset(sc->sc_mmap, 0, sizeof(sc->sc_mmap)); 1541 } 1542 1543 while (!SIMPLEQ_EMPTY(&sc->sc_mmap_q)) 1544 SIMPLEQ_REMOVE_HEAD(&sc->sc_mmap_q, q_frames); 1545 1546 sc->sc_mmap_count = 0; 1547 } 1548 1549 usbd_status 1550 utvfu_vs_alloc_isoc(struct utvfu_softc *sc) 1551 { 1552 int size, i; 1553 void *buf; 1554 1555 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1556 1557 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) { 1558 sc->sc_iface.ixfer[i].sc = sc; 1559 sc->sc_iface.ixfer[i].xfer = usbd_alloc_xfer(sc->sc_udev); 1560 if (sc->sc_iface.ixfer[i].xfer == NULL) { 1561 printf("%s: could not allocate isoc VS xfer!\n", 1562 DEVNAME(sc)); 1563 return (USBD_NOMEM); 1564 } 1565 1566 size = sc->sc_iface.psize * sc->sc_nframes; 1567 1568 buf = usbd_alloc_buffer(sc->sc_iface.ixfer[i].xfer, size); 1569 if (buf == NULL) { 1570 printf("%s: could not allocate isoc VS buffer!\n", 1571 DEVNAME(sc)); 1572 return (USBD_NOMEM); 1573 } 1574 DPRINTF(1, "%s: allocated %d bytes isoc VS xfer buffer\n", 1575 DEVNAME(sc), size); 1576 } 1577 1578 return (USBD_NORMAL_COMPLETION); 1579 } 1580 1581 int 1582 utvfu_as_alloc_bulk(struct utvfu_softc *sc) 1583 { 1584 struct usbd_xfer *xfer; 1585 1586 xfer = usbd_alloc_xfer(sc->sc_udev); 1587 if (xfer == NULL) { 1588 printf("%s: could not allocate bulk AUDIO xfer!\n", 1589 DEVNAME(sc)); 1590 return (ENOMEM); 1591 } 1592 1593 if (usbd_alloc_buffer(xfer, UTVFU_AUDIO_URBSIZE) == NULL) { 1594 usbd_free_xfer(xfer); 1595 printf("%s: could not allocate bulk AUDIO buffer!\n", 1596 DEVNAME(sc)); 1597 return (ENOMEM); 1598 } 1599 DPRINTF(1, "%s: allocated %d bytes bulk AUDIO xfer buffer\n", 1600 DEVNAME(sc), UTVFU_AUDIO_URBSIZE); 1601 1602 sc->sc_audio.iface.xfer = xfer; 1603 1604 return (0); 1605 } 1606 1607 void 1608 utvfu_vs_free_isoc(struct utvfu_softc *sc) 1609 { 1610 int i; 1611 1612 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1613 1614 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) { 1615 if (sc->sc_iface.ixfer[i].xfer != NULL) { 1616 usbd_free_xfer(sc->sc_iface.ixfer[i].xfer); 1617 sc->sc_iface.ixfer[i].xfer = NULL; 1618 } 1619 } 1620 } 1621 1622 void 1623 utvfu_as_free_bulk(struct utvfu_softc *sc) 1624 { 1625 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1626 1627 if (sc->sc_audio.iface.xfer != NULL) { 1628 usbd_free_xfer(sc->sc_audio.iface.xfer); 1629 sc->sc_audio.iface.xfer = NULL; 1630 } 1631 } 1632 1633 int 1634 utvfu_reqbufs(void *v, struct v4l2_requestbuffers *rb) 1635 { 1636 struct utvfu_softc *sc = v; 1637 int i; 1638 1639 DPRINTF(1, "%s: %s: count=%d\n", DEVNAME(sc), __func__, rb->count); 1640 1641 /* We do not support freeing buffers via reqbufs(0) */ 1642 if (rb->count == 0) 1643 return (EINVAL); 1644 1645 if (sc->sc_mmap_count > 0 || sc->sc_mmap_buffer != NULL) { 1646 DPRINTF(1, "%s: %s: mmap buffers already allocated\n", 1647 DEVNAME(sc), __func__); 1648 return (EINVAL); 1649 } 1650 1651 /* limit the buffers */ 1652 if (rb->count > UTVFU_MAX_BUFFERS) 1653 sc->sc_mmap_count = UTVFU_MAX_BUFFERS; 1654 else 1655 sc->sc_mmap_count = rb->count; 1656 1657 /* allocate the total mmap buffer */ 1658 sc->sc_mmap_bufsz = sc->sc_max_frame_sz; 1659 if (INT_MAX / sc->sc_mmap_count < sc->sc_max_frame_sz) /* overflow */ 1660 return (ENOMEM); 1661 sc->sc_mmap_bufsz *= sc->sc_mmap_count; 1662 sc->sc_mmap_bufsz = round_page(sc->sc_mmap_bufsz); /* page align */ 1663 sc->sc_mmap_buffer = malloc(sc->sc_mmap_bufsz, M_DEVBUF, M_NOWAIT); 1664 if (sc->sc_mmap_buffer == NULL) { 1665 printf("%s: can't allocate mmap buffer!\n", DEVNAME(sc)); 1666 return (ENOMEM); 1667 } 1668 DPRINTF(1, "%s: allocated %d bytes mmap buffer\n", 1669 DEVNAME(sc), sc->sc_mmap_bufsz); 1670 1671 /* fill the v4l2_buffer structure */ 1672 for (i = 0; i < sc->sc_mmap_count; i++) { 1673 sc->sc_mmap[i].buf = sc->sc_mmap_buffer 1674 + (i * sc->sc_max_frame_sz); 1675 sc->sc_mmap[i].v4l2_buf.index = i; 1676 sc->sc_mmap[i].v4l2_buf.m.offset = i * sc->sc_max_frame_sz; 1677 sc->sc_mmap[i].v4l2_buf.length = sc->sc_max_frame_sz; 1678 sc->sc_mmap[i].v4l2_buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1679 sc->sc_mmap[i].v4l2_buf.sequence = 0; 1680 sc->sc_mmap[i].v4l2_buf.field = V4L2_FIELD_NONE; 1681 sc->sc_mmap[i].v4l2_buf.memory = V4L2_MEMORY_MMAP; 1682 sc->sc_mmap[i].v4l2_buf.flags = V4L2_BUF_FLAG_MAPPED; 1683 1684 DPRINTF(1, "%s: %s: index=%d, offset=%d, length=%d\n", 1685 DEVNAME(sc), __func__, 1686 sc->sc_mmap[i].v4l2_buf.index, 1687 sc->sc_mmap[i].v4l2_buf.m.offset, 1688 sc->sc_mmap[i].v4l2_buf.length); 1689 } 1690 1691 /* tell how many buffers we have really allocated */ 1692 rb->count = sc->sc_mmap_count; 1693 1694 return (0); 1695 } 1696 1697 int 1698 utvfu_querybuf(void *v, struct v4l2_buffer *qb) 1699 { 1700 struct utvfu_softc *sc = v; 1701 1702 if (qb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1703 qb->memory != V4L2_MEMORY_MMAP || 1704 qb->index >= sc->sc_mmap_count) 1705 return (EINVAL); 1706 1707 memcpy(qb, &sc->sc_mmap[qb->index].v4l2_buf, 1708 sizeof(struct v4l2_buffer)); 1709 1710 DPRINTF(1, "%s: %s: index=%d, offset=%d, length=%d\n", 1711 DEVNAME(sc), __func__, qb->index, qb->m.offset, qb->length); 1712 1713 return (0); 1714 } 1715 1716 int 1717 utvfu_qbuf(void *v, struct v4l2_buffer *qb) 1718 { 1719 struct utvfu_softc *sc = v; 1720 1721 if (qb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1722 qb->memory != V4L2_MEMORY_MMAP || 1723 qb->index >= sc->sc_mmap_count) 1724 return (EINVAL); 1725 1726 sc->sc_mmap[qb->index].v4l2_buf.flags &= ~V4L2_BUF_FLAG_DONE; 1727 sc->sc_mmap[qb->index].v4l2_buf.flags |= V4L2_BUF_FLAG_MAPPED; 1728 sc->sc_mmap[qb->index].v4l2_buf.flags |= V4L2_BUF_FLAG_QUEUED; 1729 1730 DPRINTF(2, "%s: %s: buffer on index %d ready for queueing\n", 1731 DEVNAME(sc), __func__, qb->index); 1732 1733 return (0); 1734 } 1735 1736 int 1737 utvfu_dqbuf(void *v, struct v4l2_buffer *dqb) 1738 { 1739 struct utvfu_softc *sc = v; 1740 struct utvfu_mmap *mmap; 1741 int error; 1742 1743 if (dqb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1744 dqb->memory != V4L2_MEMORY_MMAP) 1745 return (EINVAL); 1746 1747 if (SIMPLEQ_EMPTY(&sc->sc_mmap_q)) { 1748 /* mmap queue is empty, block until first frame is queued */ 1749 error = tsleep_nsec(sc, 0, "vid_mmap", SEC_TO_NSEC(10)); 1750 if (error) 1751 return (EINVAL); 1752 } 1753 1754 mmap = SIMPLEQ_FIRST(&sc->sc_mmap_q); 1755 if (mmap == NULL) 1756 panic("utvfu_dqbuf: NULL pointer!"); 1757 1758 memcpy(dqb, &mmap->v4l2_buf, sizeof(struct v4l2_buffer)); 1759 1760 mmap->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_DONE|V4L2_BUF_FLAG_QUEUED); 1761 mmap->v4l2_buf.flags |= V4L2_BUF_FLAG_MAPPED; 1762 1763 DPRINTF(2, "%s: %s: frame dequeued from index %d\n", 1764 DEVNAME(sc), __func__, mmap->v4l2_buf.index); 1765 SIMPLEQ_REMOVE_HEAD(&sc->sc_mmap_q, q_frames); 1766 1767 return (0); 1768 } 1769 1770 int 1771 utvfu_streamon(void *v, int type) 1772 { 1773 struct utvfu_softc *sc = v; 1774 usbd_status error; 1775 1776 /* open video stream pipe */ 1777 error = utvfu_vs_open(sc); 1778 if (error != USBD_NORMAL_COMPLETION) 1779 return (EINVAL); 1780 1781 utvfu_vs_start_isoc(sc); 1782 1783 return (0); 1784 } 1785 1786 int 1787 utvfu_streamoff(void *v, int type) 1788 { 1789 utvfu_vs_close(v); 1790 return (0); 1791 } 1792 1793 int 1794 utvfu_queryctrl(void *v, struct v4l2_queryctrl *qctrl) 1795 { 1796 qctrl->flags = V4L2_CTRL_FLAG_DISABLED; 1797 return (0); 1798 } 1799 1800 int 1801 utvfu_g_parm(void *v, struct v4l2_streamparm *parm) 1802 { 1803 struct utvfu_softc *sc = v; 1804 1805 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1806 return (EINVAL); 1807 /* 1808 * XXX Unsure whether there is a way to negotiate this with the 1809 * device, but returning 0 will allow xenocara's video to run 1810 */ 1811 switch (utvfu_norm_params[sc->sc_normi].norm) { 1812 default: 1813 return (EINVAL); 1814 case V4L2_STD_525_60: 1815 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; 1816 parm->parm.capture.capturemode = 0; 1817 parm->parm.capture.timeperframe.numerator = 30; 1818 parm->parm.capture.timeperframe.denominator = 1; 1819 break; 1820 case V4L2_STD_PAL: 1821 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; 1822 parm->parm.capture.capturemode = 0; 1823 parm->parm.capture.timeperframe.numerator = 25; 1824 parm->parm.capture.timeperframe.denominator = 1; 1825 break; 1826 } 1827 return (0); 1828 } 1829 1830 int 1831 utvfu_s_parm(void *v, struct v4l2_streamparm *parm) 1832 { 1833 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1834 return (EINVAL); 1835 return (0); 1836 } 1837 1838 /* 1839 * A U D I O O P S 1840 */ 1841 1842 int 1843 utvfu_audio_open(void *v, int flags) 1844 { 1845 struct utvfu_softc *sc = v; 1846 1847 if (usbd_is_dying(sc->sc_udev)) 1848 return (EIO); 1849 1850 if ((flags & FWRITE)) 1851 return (ENXIO); 1852 1853 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 1854 return (EBUSY); 1855 1856 return utvfu_as_init(sc); 1857 } 1858 1859 void 1860 utvfu_audio_close(void *v) 1861 { 1862 struct utvfu_softc *sc = v; 1863 1864 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1865 1866 utvfu_audio_stop(sc); 1867 utvfu_audio_clear_client(sc); 1868 } 1869 1870 int 1871 utvfu_audio_set_params(void *v, int setmode, int usemode, 1872 struct audio_params *play, struct audio_params *rec) 1873 { 1874 struct utvfu_softc *sc = v; 1875 1876 if (usbd_is_dying(sc->sc_udev)) 1877 return (EIO); 1878 1879 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1880 1881 /* XXX ? */ 1882 play->sample_rate = 0; 1883 play->encoding = AUDIO_ENCODING_NONE; 1884 1885 rec->sample_rate = 48000; 1886 rec->encoding = AUDIO_ENCODING_SLINEAR_LE; 1887 rec->precision = 16; 1888 rec->bps = 2; 1889 rec->msb = 1; 1890 rec->channels = 2; 1891 1892 return (0); 1893 } 1894 1895 int 1896 utvfu_audio_halt_out(void *v) 1897 { 1898 return (EIO); 1899 } 1900 1901 int 1902 utvfu_audio_halt_in(void *v) 1903 { 1904 struct utvfu_softc *sc = v; 1905 1906 if (usbd_is_dying(sc->sc_udev)) 1907 return (EIO); 1908 1909 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1910 1911 utvfu_audio_stop(sc); 1912 utvfu_audio_clear_client(sc); 1913 1914 return (0); 1915 } 1916 1917 int 1918 utvfu_audio_mixer_set_port(void *v, struct mixer_ctrl *cp) 1919 { 1920 struct utvfu_softc *sc = v; 1921 1922 if (usbd_is_dying(sc->sc_udev)) 1923 return (EIO); 1924 1925 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1926 1927 if (cp->type != AUDIO_MIXER_ENUM || 1928 cp->un.ord < 0 || cp->un.ord > 1) 1929 return (EINVAL); 1930 /* XXX TODO */ 1931 DPRINTF(1, "%s %s: cp->un.ord=%d\n", DEVNAME(sc), __func__, cp->un.ord); 1932 return (0); 1933 } 1934 1935 int 1936 utvfu_audio_mixer_get_port(void *v, struct mixer_ctrl *cp) 1937 { 1938 struct utvfu_softc *sc = v; 1939 1940 if (usbd_is_dying(sc->sc_udev)) 1941 return (EIO); 1942 1943 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1944 1945 if (cp->type != AUDIO_MIXER_ENUM || 1946 cp->un.ord < 0 || cp->un.ord > 1) 1947 return (EINVAL); 1948 /* XXX TODO */ 1949 DPRINTF(1, "%s %s: cp->un.ord=%d\n", DEVNAME(sc), __func__, cp->un.ord); 1950 return (0); 1951 } 1952 1953 int 1954 utvfu_audio_query_devinfo(void *v, struct mixer_devinfo *mi) 1955 { 1956 struct utvfu_softc *sc = v; 1957 1958 if (usbd_is_dying(sc->sc_udev)) 1959 return (EIO); 1960 1961 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1962 1963 if (mi->index != 0) 1964 return (EINVAL); 1965 1966 /* XXX SOMEONE WITH AUDIO EXPERTIZE NEEDS TO HELP HERE */ 1967 strlcpy(mi->label.name, "mix0-i0", sizeof(mi->label.name)); 1968 mi->type = AUDIO_MIXER_ENUM; 1969 mi->un.e.num_mem = 2; 1970 mi->un.e.member[0].ord = 0; 1971 strlcpy(mi->un.e.member[0].label.name, AudioNoff, 1972 sizeof(mi->un.e.member[0].label.name)); 1973 mi->un.e.member[1].ord = 1; 1974 strlcpy(mi->un.e.member[1].label.name, AudioNon, 1975 sizeof(mi->un.e.member[1].label.name)); 1976 1977 return (0); 1978 } 1979 1980 int 1981 utvfu_audio_get_props(void *v) 1982 { 1983 return (0); 1984 } 1985 1986 int 1987 utvfu_audio_trigger_output(void *v, void *start, void *end, int blksize, 1988 void (*intr)(void *), void *arg, struct audio_params *param) 1989 { 1990 return (EIO); 1991 } 1992 1993 int 1994 utvfu_audio_trigger_input(void *v, void *start, void *end, int blksize, 1995 void (*intr)(void *), void *arg, struct audio_params *param) 1996 { 1997 struct utvfu_softc *sc = v; 1998 1999 if (usbd_is_dying(sc->sc_udev)) 2000 return (EIO); 2001 2002 rw_enter_write(&sc->sc_audio.rwlock); 2003 2004 sc->sc_audio.intr_arg = arg; 2005 sc->sc_audio.intr = intr; 2006 sc->sc_audio.start = start; 2007 sc->sc_audio.end = end; 2008 sc->sc_audio.cur = start; 2009 sc->sc_audio.blksize = blksize; 2010 2011 rw_exit_write(&sc->sc_audio.rwlock); 2012 2013 DPRINTF(1, "%s %s: start=%p end=%p diff=%lu blksize=%d\n", 2014 DEVNAME(sc), __func__, start, end, 2015 ((u_char *)end - (u_char *)start), blksize); 2016 2017 return utvfu_audio_start(sc); 2018 } 2019 2020 int 2021 utvfu_audio_start(struct utvfu_softc *sc) 2022 { 2023 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 2024 2025 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 2026 return (0); 2027 2028 utvfu_audio_start_chip(sc); 2029 2030 if (utvfu_as_init(sc) != 0) 2031 return (ENOMEM); 2032 if (sc->sc_audio.iface.pipeh == NULL) { 2033 if (utvfu_as_open(sc) != USBD_NORMAL_COMPLETION) 2034 return (ENOMEM); 2035 } 2036 2037 return utvfu_as_start_bulk(sc); 2038 } 2039 2040 int 2041 utvfu_audio_stop(struct utvfu_softc *sc) 2042 { 2043 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 2044 2045 utvfu_audio_stop_chip(sc); 2046 utvfu_as_free(sc); 2047 2048 return (0); 2049 } 2050