utvfu.c revision 1.18
1/* $OpenBSD: utvfu.c,v 1.18 2022/10/19 19:14:17 kn 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 73int 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 81struct 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 98int 99utvfu_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 124int 125utvfu_max_frame_size(void) 126{ 127 int i, sz = 0; 128 129 for (i = 0; i < nitems(utvfu_norm_params); i++) { 130 if (sz < utvfu_norm_params[i].frame_len) 131 sz = utvfu_norm_params[i].frame_len; 132 } 133 134 return (sz); 135} 136 137int 138utvfu_configure_for_norm(struct utvfu_softc *sc, v4l2_std_id norm) 139{ 140 int i, ret = EINVAL; 141 struct utvfu_norm_params *params = NULL; 142 143 for (i = 0; i < nitems(utvfu_norm_params); i++) { 144 if (utvfu_norm_params[i].norm & norm) { 145 params = &utvfu_norm_params[i]; 146 break; 147 } 148 } 149 150 if (params != NULL) { 151 sc->sc_normi = i; 152 sc->sc_nchunks = params->cap_width * params->cap_height 153 / 4 / UTVFU_CHUNK; 154 ret = 0; 155 } 156 157 return (ret); 158} 159 160int 161utvfu_select_input(struct utvfu_softc *sc, int input) 162{ 163 int ret; 164 165 static const uint16_t composite[][2] = { 166 { UTVFU_BASE + 0x0105, 0x0060 }, 167 { UTVFU_BASE + 0x011f, 0x00f2 }, 168 { UTVFU_BASE + 0x0127, 0x0060 }, 169 { UTVFU_BASE + 0x00ae, 0x0010 }, 170 { UTVFU_BASE + 0x0239, 0x0060 }, 171 }; 172 173 static const uint16_t svideo[][2] = { 174 { UTVFU_BASE + 0x0105, 0x0010 }, 175 { UTVFU_BASE + 0x011f, 0x00ff }, 176 { UTVFU_BASE + 0x0127, 0x0060 }, 177 { UTVFU_BASE + 0x00ae, 0x0030 }, 178 { UTVFU_BASE + 0x0239, 0x0060 }, 179 }; 180 181 switch (input) { 182 case UTVFU_COMPOSITE_INPUT: 183 ret = utvfu_set_regs(sc, composite, nitems(composite)); 184 break; 185 case UTVFU_SVIDEO_INPUT: 186 ret = utvfu_set_regs(sc, svideo, nitems(svideo)); 187 break; 188 default: 189 ret = EINVAL; 190 } 191 192 if (ret == 0) 193 sc->sc_input = input; 194 195 return (ret); 196} 197 198int 199utvfu_select_norm(struct utvfu_softc *sc, v4l2_std_id norm) 200{ 201 int ret; 202 static const uint16_t pal[][2] = { 203 { UTVFU_BASE + 0x001a, 0x0068 }, 204 { UTVFU_BASE + 0x010e, 0x0072 }, 205 { UTVFU_BASE + 0x010f, 0x00a2 }, 206 { UTVFU_BASE + 0x0112, 0x00b0 }, 207 { UTVFU_BASE + 0x0117, 0x0001 }, 208 { UTVFU_BASE + 0x0118, 0x002c }, 209 { UTVFU_BASE + 0x012d, 0x0010 }, 210 { UTVFU_BASE + 0x012f, 0x0020 }, 211 { UTVFU_BASE + 0x024f, 0x0002 }, 212 { UTVFU_BASE + 0x0254, 0x0059 }, 213 { UTVFU_BASE + 0x025a, 0x0016 }, 214 { UTVFU_BASE + 0x025b, 0x0035 }, 215 { UTVFU_BASE + 0x0263, 0x0017 }, 216 { UTVFU_BASE + 0x0266, 0x0016 }, 217 { UTVFU_BASE + 0x0267, 0x0036 } 218 }; 219 220 static const uint16_t ntsc[][2] = { 221 { UTVFU_BASE + 0x001a, 0x0079 }, 222 { UTVFU_BASE + 0x010e, 0x0068 }, 223 { UTVFU_BASE + 0x010f, 0x009c }, 224 { UTVFU_BASE + 0x0112, 0x00f0 }, 225 { UTVFU_BASE + 0x0117, 0x0000 }, 226 { UTVFU_BASE + 0x0118, 0x00fc }, 227 { UTVFU_BASE + 0x012d, 0x0004 }, 228 { UTVFU_BASE + 0x012f, 0x0008 }, 229 { UTVFU_BASE + 0x024f, 0x0001 }, 230 { UTVFU_BASE + 0x0254, 0x005f }, 231 { UTVFU_BASE + 0x025a, 0x0012 }, 232 { UTVFU_BASE + 0x025b, 0x0001 }, 233 { UTVFU_BASE + 0x0263, 0x001c }, 234 { UTVFU_BASE + 0x0266, 0x0011 }, 235 { UTVFU_BASE + 0x0267, 0x0005 } 236 }; 237 238 ret = utvfu_configure_for_norm(sc, norm); 239 240 if (ret == 0) { 241 if (norm & V4L2_STD_525_60) 242 ret = utvfu_set_regs(sc, ntsc, nitems(ntsc)); 243 else if (norm & V4L2_STD_PAL) 244 ret = utvfu_set_regs(sc, pal, nitems(pal)); 245 } 246 247 return (ret); 248} 249 250int 251utvfu_setup_capture(struct utvfu_softc *sc) 252{ 253 int ret; 254 static const uint16_t setup[][2] = { 255 /* These seem to enable the device. */ 256 { UTVFU_BASE + 0x0008, 0x0001 }, 257 { UTVFU_BASE + 0x01d0, 0x00ff }, 258 { UTVFU_BASE + 0x01d9, 0x0002 }, 259 260 /* 261 * These seem to influence color parameters, such as 262 * brightness, etc. 263 */ 264 { UTVFU_BASE + 0x0239, 0x0040 }, 265 { UTVFU_BASE + 0x0240, 0x0000 }, 266 { UTVFU_BASE + 0x0241, 0x0000 }, 267 { UTVFU_BASE + 0x0242, 0x0002 }, 268 { UTVFU_BASE + 0x0243, 0x0080 }, 269 { UTVFU_BASE + 0x0244, 0x0012 }, 270 { UTVFU_BASE + 0x0245, 0x0090 }, 271 { UTVFU_BASE + 0x0246, 0x0000 }, 272 273 { UTVFU_BASE + 0x0278, 0x002d }, 274 { UTVFU_BASE + 0x0279, 0x000a }, 275 { UTVFU_BASE + 0x027a, 0x0032 }, 276 { 0xf890, 0x000c }, 277 { 0xf894, 0x0086 }, 278 279 { UTVFU_BASE + 0x00ac, 0x00c0 }, 280 { UTVFU_BASE + 0x00ad, 0x0000 }, 281 { UTVFU_BASE + 0x00a2, 0x0012 }, 282 { UTVFU_BASE + 0x00a3, 0x00e0 }, 283 { UTVFU_BASE + 0x00a4, 0x0028 }, 284 { UTVFU_BASE + 0x00a5, 0x0082 }, 285 { UTVFU_BASE + 0x00a7, 0x0080 }, 286 { UTVFU_BASE + 0x0000, 0x0014 }, 287 { UTVFU_BASE + 0x0006, 0x0003 }, 288 { UTVFU_BASE + 0x0090, 0x0099 }, 289 { UTVFU_BASE + 0x0091, 0x0090 }, 290 { UTVFU_BASE + 0x0094, 0x0068 }, 291 { UTVFU_BASE + 0x0095, 0x0070 }, 292 { UTVFU_BASE + 0x009c, 0x0030 }, 293 { UTVFU_BASE + 0x009d, 0x00c0 }, 294 { UTVFU_BASE + 0x009e, 0x00e0 }, 295 { UTVFU_BASE + 0x0019, 0x0006 }, 296 { UTVFU_BASE + 0x008c, 0x00ba }, 297 { UTVFU_BASE + 0x0101, 0x00ff }, 298 { UTVFU_BASE + 0x010c, 0x00b3 }, 299 { UTVFU_BASE + 0x01b2, 0x0080 }, 300 { UTVFU_BASE + 0x01b4, 0x00a0 }, 301 { UTVFU_BASE + 0x014c, 0x00ff }, 302 { UTVFU_BASE + 0x014d, 0x00ca }, 303 { UTVFU_BASE + 0x0113, 0x0053 }, 304 { UTVFU_BASE + 0x0119, 0x008a }, 305 { UTVFU_BASE + 0x013c, 0x0003 }, 306 { UTVFU_BASE + 0x0150, 0x009c }, 307 { UTVFU_BASE + 0x0151, 0x0071 }, 308 { UTVFU_BASE + 0x0152, 0x00c6 }, 309 { UTVFU_BASE + 0x0153, 0x0084 }, 310 { UTVFU_BASE + 0x0154, 0x00bc }, 311 { UTVFU_BASE + 0x0155, 0x00a0 }, 312 { UTVFU_BASE + 0x0156, 0x00a0 }, 313 { UTVFU_BASE + 0x0157, 0x009c }, 314 { UTVFU_BASE + 0x0158, 0x001f }, 315 { UTVFU_BASE + 0x0159, 0x0006 }, 316 { UTVFU_BASE + 0x015d, 0x0000 }, 317 318 { UTVFU_BASE + 0x0003, 0x0004 }, 319 { UTVFU_BASE + 0x0100, 0x00d3 }, 320 { UTVFU_BASE + 0x0115, 0x0015 }, 321 { UTVFU_BASE + 0x0220, 0x002e }, 322 { UTVFU_BASE + 0x0225, 0x0008 }, 323 { UTVFU_BASE + 0x024e, 0x0002 }, 324 { UTVFU_BASE + 0x024e, 0x0002 }, 325 { UTVFU_BASE + 0x024f, 0x0002 }, 326 }; 327 328 ret = utvfu_set_regs(sc, setup, nitems(setup)); 329 if (ret) 330 return (ret); 331 332 ret = utvfu_select_norm(sc, utvfu_norm_params[sc->sc_normi].norm); 333 if (ret) 334 return (ret); 335 336 ret = utvfu_select_input(sc, sc->sc_input); 337 if (ret) 338 return (ret); 339 340 return (0); 341} 342 343/* 344 * Copy data from chunk into a frame buffer, deinterlacing the data 345 * into every second line. Unfortunately, they don't align nicely into 346 * 720 pixel lines, as the chunk is 240 words long, which is 480 pixels. 347 * Therefore, we break down the chunk into two halves before copying, 348 * so that we can interleave a line if needed. 349 * 350 * Each "chunk" is 240 words; a word in this context equals 4 bytes. 351 * Image format is YUYV/YUV 4:2:2, consisting of Y Cr Y Cb, defining two 352 * pixels, the Cr and Cb shared between the two pixels, but each having 353 * separate Y values. Thus, the 240 words equal 480 pixels. It therefore, 354 * takes 1.5 chunks to make a 720 pixel-wide line for the frame. 355 * The image is interlaced, so there is a "scan" of odd lines, followed 356 * by "scan" of even numbered lines. 357 * 358 * Following code is writing the chunks in correct sequence, skipping 359 * the rows based on "odd" value. 360 * line 1: chunk[0][ 0..479] chunk[0][480..959] chunk[1][ 0..479] 361 * line 3: chunk[1][480..959] chunk[2][ 0..479] chunk[2][480..959] 362 * ...etc 363 */ 364void 365utvfu_chunk_to_vbuf(uint8_t *frame, uint8_t *src, int chunk_no, int odd) 366{ 367 uint8_t *dst; 368 int half, line, part_no, part_index; 369 #define UTVFU_STRIDE (UTVFU_CHUNK/2 * 4) 370 371 for (half = 0; half < 2; half++) { 372 part_no = chunk_no * 2 + half; 373 line = part_no / 3; 374 part_index = (line * 2 + !odd) * 3 + (part_no % 3); 375 376 dst = &frame[part_index * UTVFU_STRIDE]; 377 378 memcpy(dst, src, UTVFU_STRIDE); 379 src += UTVFU_STRIDE; 380 } 381 #undef UTVFU_STRIDE 382} 383 384/* 385 * Called for each 256-byte image chunk. 386 * First word identifies the chunk, followed by 240 words of image 387 * data and padding. 388 */ 389void 390utvfu_image_chunk(struct utvfu_softc *sc, u_char *chunk) 391{ 392 int frame_id, odd, chunk_no, frame_len; 393 uint32_t hdr; 394 395 memcpy(&hdr, chunk, sizeof(hdr)); 396 chunk += sizeof(hdr); 397 hdr = be32toh(hdr); 398 399 /* Ignore corrupted lines. */ 400 if (!UTVFU_MAGIC_OK(hdr)) { 401 DPRINTF(2, "%s: bad magic=0x%08x\n", 402 DEVNAME(sc), UTVFU_MAGIC(hdr)); 403 return; 404 } 405 406 frame_id = UTVFU_FRAME_ID(hdr); 407 odd = UTVFU_ODD(hdr); 408 chunk_no = UTVFU_CHUNK_NO(hdr); 409 if (chunk_no >= sc->sc_nchunks) { 410 DPRINTF(2, "%s: chunk_no=%d >= sc_nchunks=%d\n", 411 DEVNAME(sc), chunk_no, sc->sc_nchunks); 412 return; 413 } 414 415 /* Beginning of a frame. */ 416 if (chunk_no == 0) { 417 sc->sc_fb.fid = frame_id; 418 sc->sc_fb.chunks_done = 0; 419 } 420 else if (sc->sc_fb.fid != frame_id) { 421 DPRINTF(2, "%s: frame id mismatch expecting=%d got=%d\n", 422 DEVNAME(sc), sc->sc_fb.fid, frame_id); 423 return; 424 } 425 426 frame_len = utvfu_norm_params[sc->sc_normi].frame_len; 427 428 /* Copy the chunk data. */ 429 utvfu_chunk_to_vbuf(sc->sc_fb.buf, chunk, chunk_no, odd); 430 sc->sc_fb.chunks_done++; 431 432 /* Last chunk in a field */ 433 if (chunk_no == sc->sc_nchunks-1) { 434 /* Last chunk in a frame, signalling an end */ 435 if (odd && !sc->sc_fb.last_odd) { 436 if (sc->sc_fb.chunks_done != sc->sc_nchunks) { 437 DPRINTF(1, "%s: chunks_done=%d != nchunks=%d\n", 438 DEVNAME(sc), 439 sc->sc_fb.chunks_done, sc->sc_nchunks); 440 } 441 442 if (sc->sc_flags & UTVFU_FLAG_MMAP) { 443 utvfu_mmap_queue(sc, sc->sc_fb.buf, frame_len); 444 } 445 else { 446 utvfu_read(sc, sc->sc_fb.buf, frame_len); 447 } 448 } 449 sc->sc_fb.last_odd = odd; 450 } 451} 452 453int 454utvfu_start_capture(struct utvfu_softc *sc) 455{ 456 usbd_status error; 457 int restart_au; 458 459 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 460 461 restart_au = ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 462 utvfu_audio_stop(sc); 463 464 /* default video stream interface */ 465 error = usbd_set_interface(sc->sc_uifaceh, UTVFU_DFLT_IFACE_IDX); 466 if (error != USBD_NORMAL_COMPLETION) 467 return (EINVAL); 468 469 if (utvfu_setup_capture(sc) != 0) 470 return (EINVAL); 471 472 /* alt setting */ 473 error = usbd_set_interface(sc->sc_uifaceh, UTVFU_ALT_IFACE_IDX); 474 if (error != USBD_NORMAL_COMPLETION) 475 return (EINVAL); 476 477 if (restart_au) 478 utvfu_audio_start(sc); 479 480 return (0); 481} 482 483int 484utvfu_querycap(void *v, struct v4l2_capability *cap) 485{ 486 struct utvfu_softc *sc = v; 487 488 memset(cap, 0, sizeof(*cap)); 489 strlcpy(cap->driver, DEVNAME(sc), sizeof(cap->driver)); 490 strlcpy(cap->card, "utvfu", sizeof(cap->card)); 491 strlcpy(cap->bus_info, "usb", sizeof(cap->bus_info)); 492 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE; 493 cap->device_caps |= V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 494 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 495 496 return (0); 497} 498 499int 500utvfu_enum_input(void *v, struct v4l2_input *i) 501{ 502 struct utvfu_softc *sc = v; 503 504 switch (i->index) { 505 case UTVFU_COMPOSITE_INPUT: 506 strlcpy(i->name, "Composite", sizeof(i->name)); 507 break; 508 case UTVFU_SVIDEO_INPUT: 509 strlcpy(i->name, "S-Video", sizeof(i->name)); 510 break; 511 default: 512 return (EINVAL); 513 } 514 515 i->type = V4L2_INPUT_TYPE_CAMERA; 516 i->std = utvfu_norm_params[sc->sc_normi].norm; 517 518 return (0); 519} 520 521int 522utvfu_enum_fmt_vid_cap(void *v, struct v4l2_fmtdesc *f) 523{ 524 if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || f->index != 0) 525 return (EINVAL); 526 527 strlcpy(f->description, "16 bpp YUY2, 4:2:2, packed", 528 sizeof(f->description)); 529 f->pixelformat = V4L2_PIX_FMT_YUYV; 530 531 return (0); 532} 533 534int 535utvfu_enum_fsizes(void *v, struct v4l2_frmsizeenum *fsizes) 536{ 537 struct utvfu_softc *sc = v; 538 539 if (fsizes->pixel_format != V4L2_PIX_FMT_YUYV) 540 return (EINVAL); 541 542 /* The device only supports one frame size. */ 543 if (fsizes->index >= 1) 544 return (EINVAL); 545 546 fsizes->type = V4L2_FRMSIZE_TYPE_DISCRETE; 547 fsizes->discrete.width = utvfu_norm_params[sc->sc_normi].cap_width; 548 fsizes->discrete.height = utvfu_norm_params[sc->sc_normi].cap_height; 549 550 return (0); 551} 552 553int 554utvfu_g_fmt(void *v, struct v4l2_format *f) 555{ 556 struct utvfu_softc *sc = v; 557 558 f->fmt.pix.width = utvfu_norm_params[sc->sc_normi].cap_width; 559 f->fmt.pix.height = utvfu_norm_params[sc->sc_normi].cap_height; 560 f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; 561 f->fmt.pix.field = V4L2_FIELD_INTERLACED; 562 f->fmt.pix.bytesperline = f->fmt.pix.width * 2; 563 f->fmt.pix.sizeimage = (f->fmt.pix.bytesperline * f->fmt.pix.height); 564 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 565 566 return (0); 567} 568 569int 570utvfu_s_fmt(void *v, struct v4l2_format *f) 571{ 572 if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV) 573 return (EINVAL); 574 575 return (0); 576} 577 578int 579utvfu_g_std(void *v, v4l2_std_id *norm) 580{ 581 struct utvfu_softc *sc = v; 582 583 *norm = utvfu_norm_params[sc->sc_normi].norm; 584 585 return (0); 586} 587 588int 589utvfu_s_std(void *v, v4l2_std_id norm) 590{ 591 int ret = EINVAL; 592 struct utvfu_softc *sc = v; 593 594 if ((norm & V4L2_STD_525_60) || (norm & V4L2_STD_PAL)) 595 ret = utvfu_select_norm(sc, norm); 596 597 return (ret); 598} 599 600int 601utvfu_g_input(void *v, int *i) 602{ 603 struct utvfu_softc *sc = v; 604 605 *i = sc->sc_input; 606 607 return (0); 608} 609 610int 611utvfu_s_input(void *v, int i) 612{ 613 return utvfu_select_input(v, i); 614} 615 616/* A U D I O */ 617 618void 619utvfu_audio_decode(struct utvfu_softc *sc, int len) 620{ 621 uint8_t *dst, *src; 622 int n, chunk, ncopied; 623 624 if (sc->sc_audio.blksize == 0) 625 return; 626 627 src = KERNADDR(&sc->sc_audio.iface.xfer->dmabuf, 0); 628 dst = sc->sc_audio.cur; 629 ncopied = sc->sc_audio.cur - sc->sc_audio.start; 630 /* b/c region start->end is a multiple blksize chunks */ 631 ncopied %= sc->sc_audio.blksize; 632 633 while (len >= UTVFU_CHUNK_SIZE) { 634 /* 635 * The header, skipped here, ranges from 0xdd000000 to 636 * 0xdd0003ff. The 0xdd seems to be the "magic" and 637 * 0x3ff masks the chunk number. 638 */ 639 src += UTVFU_AUDIO_HDRSIZE; 640 chunk = UTVFU_CHUNK; 641 while (chunk > 0) { 642 n = min(chunk, sc->sc_audio.blksize - ncopied); 643 memcpy(dst, src, n); 644 dst += n; 645 src += n; 646 chunk -= n; 647 ncopied += n; 648 if (ncopied >= sc->sc_audio.blksize) { 649 mtx_enter(&audio_lock); 650 (*sc->sc_audio.intr)(sc->sc_audio.intr_arg); 651 mtx_leave(&audio_lock); 652 ncopied -= sc->sc_audio.blksize; 653 } 654 if (dst > sc->sc_audio.end) 655 dst = sc->sc_audio.start; 656 } 657 len -= UTVFU_CHUNK_SIZE; /* _CHUNK + _AUDIO_HDRSIZE */ 658 } 659 sc->sc_audio.cur = dst; 660} 661 662int 663utvfu_audio_start_chip(struct utvfu_softc *sc) 664{ 665 static const uint16_t setup[][2] = { 666 /* These seem to enable the device. */ 667 { UTVFU_BASE + 0x0008, 0x0001 }, 668 { UTVFU_BASE + 0x01d0, 0x00ff }, 669 { UTVFU_BASE + 0x01d9, 0x0002 }, 670 671 { UTVFU_BASE + 0x01da, 0x0013 }, 672 { UTVFU_BASE + 0x01db, 0x0012 }, 673 { UTVFU_BASE + 0x01e9, 0x0002 }, 674 { UTVFU_BASE + 0x01ec, 0x006c }, 675 { UTVFU_BASE + 0x0294, 0x0020 }, 676 { UTVFU_BASE + 0x0255, 0x00cf }, 677 { UTVFU_BASE + 0x0256, 0x0020 }, 678 { UTVFU_BASE + 0x01eb, 0x0030 }, 679 { UTVFU_BASE + 0x027d, 0x00a6 }, 680 { UTVFU_BASE + 0x0280, 0x0011 }, 681 { UTVFU_BASE + 0x0281, 0x0040 }, 682 { UTVFU_BASE + 0x0282, 0x0011 }, 683 { UTVFU_BASE + 0x0283, 0x0040 }, 684 { 0xf891, 0x0010 }, 685 686 /* this sets the input from composite */ 687 { UTVFU_BASE + 0x0284, 0x00aa }, 688 }; 689 690 /* starting the stream */ 691 utvfu_set_regs(sc, setup, nitems(setup)); 692 693 return (0); 694} 695 696int 697utvfu_audio_stop_chip(struct utvfu_softc *sc) 698{ 699 static const uint16_t setup[][2] = { 700 /* 701 * The original windows driver sometimes sends also: 702 * { UTVFU_BASE + 0x00a2, 0x0013 } 703 * but it seems useless and its real effects are untested at 704 * the moment. 705 */ 706 { UTVFU_BASE + 0x027d, 0x0000 }, 707 { UTVFU_BASE + 0x0280, 0x0010 }, 708 { UTVFU_BASE + 0x0282, 0x0010 }, 709 }; 710 711 utvfu_set_regs(sc, setup, nitems(setup)); 712 713 return (0); 714} 715 716/* 717 * Copyright (c) 2008 Robert Nagy <robert@openbsd.org> 718 * Copyright (c) 2008 Marcus Glocker <mglocker@openbsd.org> 719 * Copyright (c) 2016 Patrick Keshishian <patrick@boxsoft.com> 720 * 721 * Permission to use, copy, modify, and distribute this software for any 722 * purpose with or without fee is hereby granted, provided that the above 723 * copyright notice and this permission notice appear in all copies. 724 * 725 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 726 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 727 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 728 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 729 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 730 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 731 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 732 */ 733/* 734 * Heavily based on uvideo.c source. 735 */ 736 737int utvfu_match(struct device *, void *, void *); 738void utvfu_attach(struct device *, struct device *, void *); 739int utvfu_detach(struct device *, int); 740 741usbd_status utvfu_parse_desc(struct utvfu_softc *); 742 743void utvfu_vs_close(struct utvfu_softc *); 744void utvfu_vs_free_frame(struct utvfu_softc *); 745void utvfu_vs_free_isoc(struct utvfu_softc *); 746void utvfu_vs_start_isoc_ixfer(struct utvfu_softc *, 747 struct utvfu_isoc_xfer *); 748void utvfu_vs_cb(struct usbd_xfer *, void *, usbd_status); 749 750void utvfu_vs_free(struct utvfu_softc *); 751int utvfu_vs_init(struct utvfu_softc *); 752int utvfu_vs_alloc_frame(struct utvfu_softc *); 753usbd_status utvfu_vs_alloc_isoc(struct utvfu_softc *); 754 755int utvfu_open(void *, int, int *, uint8_t *, 756 void (*)(void *), void *); 757int utvfu_close(void *); 758int utvfu_querycap(void *, struct v4l2_capability *); 759int utvfu_enum_fmt_vid_cap(void *, struct v4l2_fmtdesc *); 760int utvfu_enum_fsizes(void *, struct v4l2_frmsizeenum *); 761int utvfu_g_fmt(void *, struct v4l2_format *); 762int utvfu_s_fmt(void *, struct v4l2_format *); 763int utvfu_g_parm(void *, struct v4l2_streamparm *); 764int utvfu_s_parm(void *, struct v4l2_streamparm *); 765int utvfu_enum_input(void *, struct v4l2_input *); 766int utvfu_s_input(void *, int); 767int utvfu_g_input(void *, int *); 768 769int utvfu_reqbufs(void *, struct v4l2_requestbuffers *); 770int utvfu_querybuf(void *, struct v4l2_buffer *); 771int utvfu_qbuf(void *, struct v4l2_buffer *); 772int utvfu_dqbuf(void *, struct v4l2_buffer *); 773int utvfu_streamon(void *, int); 774int utvfu_streamoff(void *, int); 775int utvfu_queryctrl(void *, struct v4l2_queryctrl *); 776caddr_t utvfu_mappage(void *, off_t, int); 777int utvfu_get_bufsize(void *); 778int utvfu_start_read(void *); 779 780int utvfu_as_init(struct utvfu_softc *); 781void utvfu_as_free(struct utvfu_softc *); 782 783usbd_status utvfu_as_open(struct utvfu_softc *); 784int utvfu_as_alloc_bulk(struct utvfu_softc *); 785void utvfu_as_free_bulk(struct utvfu_softc *); 786int utvfu_as_start_bulk(struct utvfu_softc *); 787void utvfu_as_bulk_thread(void *); 788 789int utvfu_audio_open(void *, int); 790void utvfu_audio_close(void *); 791int utvfu_audio_set_params(void *, int, int, 792 struct audio_params *, struct audio_params *); 793int utvfu_audio_halt_out(void *); 794int utvfu_audio_halt_in(void *); 795int utvfu_audio_mixer_set_port(void *, struct mixer_ctrl *); 796int utvfu_audio_mixer_get_port(void *, struct mixer_ctrl *); 797int utvfu_audio_query_devinfo(void *, struct mixer_devinfo *); 798int utvfu_audio_get_props(void *); 799int utvfu_audio_trigger_output(void *, void *, void *, int, 800 void (*)(void *), void *, struct audio_params *); 801int utvfu_audio_trigger_input(void *, void *, void *, int, 802 void (*)(void *), void *, struct audio_params *); 803 804struct cfdriver utvfu_cd = { 805 NULL, "utvfu", DV_DULL 806}; 807 808const struct cfattach utvfu_ca = { 809 sizeof(struct utvfu_softc), 810 utvfu_match, 811 utvfu_attach, 812 utvfu_detach, 813 NULL 814}; 815 816const struct video_hw_if utvfu_vid_hw_if = { 817 utvfu_open, /* open */ 818 utvfu_close, /* close */ 819 utvfu_querycap, /* VIDIOC_QUERYCAP */ 820 utvfu_enum_fmt_vid_cap, /* VIDIOC_ENUM_FMT */ 821 utvfu_enum_fsizes, /* VIDIOC_ENUM_FRAMESIZES */ 822 NULL, /* VIDIOC_ENUM_FRAMEINTERVALS */ 823 utvfu_s_fmt, /* VIDIOC_S_FMT */ 824 utvfu_g_fmt, /* VIDIOC_G_FMT */ 825 utvfu_s_parm, /* VIDIOC_S_PARM */ 826 utvfu_g_parm, /* VIDIOC_G_PARM */ 827 utvfu_enum_input, /* VIDIOC_ENUMINPUT */ 828 utvfu_s_input, /* VIDIOC_S_INPUT */ 829 utvfu_g_input, /* VIDIOC_G_INPUT */ 830 utvfu_reqbufs, /* VIDIOC_REQBUFS */ 831 utvfu_querybuf, /* VIDIOC_QUERYBUF */ 832 utvfu_qbuf, /* VIDIOC_QBUF */ 833 utvfu_dqbuf, /* VIDIOC_DQBUF */ 834 utvfu_streamon, /* VIDIOC_STREAMON */ 835 utvfu_streamoff, /* VIDIOC_STREAMOFF */ 836 NULL, /* VIDIOC_TRY_FMT */ 837 utvfu_queryctrl, /* VIDIOC_QUERYCTRL */ 838 NULL, /* VIDIOC_G_CTRL */ 839 NULL, /* VIDIOC_S_CTRL */ 840 utvfu_mappage, /* mmap */ 841 utvfu_get_bufsize, /* read */ 842 utvfu_start_read /* start stream for read */ 843}; 844 845const struct audio_hw_if utvfu_au_hw_if = { 846 .open = utvfu_audio_open, 847 .close = utvfu_audio_close, 848 .set_params = utvfu_audio_set_params, 849 .halt_output = utvfu_audio_halt_out, 850 .halt_input = utvfu_audio_halt_in, 851 .set_port = utvfu_audio_mixer_set_port, 852 .get_port = utvfu_audio_mixer_get_port, 853 .query_devinfo = utvfu_audio_query_devinfo, 854 .get_props = utvfu_audio_get_props, 855 .trigger_output = utvfu_audio_trigger_output, 856 .trigger_input = utvfu_audio_trigger_input, 857}; 858 859int 860utvfu_match(struct device *parent, void *match, void *aux) 861{ 862 struct usb_attach_arg *uaa = aux; 863 const struct usb_descriptor *ud; 864 struct usbd_desc_iter iter; 865 struct usb_interface_descriptor *uid = NULL; 866 const struct usb_endpoint_descriptor *ued = NULL; 867 usb_device_descriptor_t *dd; 868 int ret = UMATCH_NONE; 869 int nep, nalt; 870 uint16_t psize = 0; 871 872 if (uaa->iface == NULL) 873 return ret; 874 875 dd = usbd_get_device_descriptor(uaa->device); 876 877 if (UGETW(dd->idVendor) == USB_VENDOR_FUSHICAI && 878 UGETW(dd->idProduct) == USB_PRODUCT_FUSHICAI_USBTV007) 879 ret = UMATCH_VENDOR_PRODUCT; 880 /* 881 * This seems like a fragile check, but the original driver ensures 882 * there are two alternate settings for the interface, and alternate 883 * setting 1 has four endpoints. 884 * 885 * Comment says "Checks that the device is what we think it is." 886 * 887 * Adding check that wMaxPacketSize for the video endpoint is > 0. 888 */ 889 nep = nalt = 0; 890 usbd_desc_iter_init(uaa->device, &iter); 891 while ((ud = usbd_desc_iter_next(&iter)) != NULL) { 892 switch (ud->bDescriptorType) { 893 default: 894 break; 895 case UDESC_INTERFACE: 896 uid = (void *)ud; 897 if (uid->bInterfaceNumber == 0) 898 nalt++; 899 break; 900 case UDESC_ENDPOINT: 901 if (uid->bAlternateSetting == 1) { 902 ued = (void *)ud; 903 if (ued->bEndpointAddress == UTVFU_VIDEO_ENDP) 904 psize = UGETW(ued->wMaxPacketSize); 905 nep++; 906 } 907 break; 908 } 909 if (uid != NULL && uid->bInterfaceNumber > 0) 910 break; 911 } 912 913 if (nalt != 2 || nep != 4 || psize == 0) 914 ret = UMATCH_NONE; 915 916 return (ret); 917} 918 919void 920utvfu_attach(struct device *parent, struct device *self, void *aux) 921{ 922 int i; 923 struct utvfu_softc *sc = (struct utvfu_softc *)self; 924 struct usb_attach_arg *uaa = aux; 925 926 sc->sc_udev = uaa->device; 927 for (i = 0; i < uaa->nifaces; i++) { 928 if (usbd_iface_claimed(sc->sc_udev, i)) 929 continue; 930 usbd_claim_iface(sc->sc_udev, i); 931 } 932 933 utvfu_parse_desc(sc); 934 935 /* init mmap queue */ 936 SIMPLEQ_INIT(&sc->sc_mmap_q); 937 sc->sc_mmap_count = 0; 938 939 sc->sc_max_frame_sz = utvfu_max_frame_size(); 940 941 /* calculate optimal isoc xfer size */ 942 sc->sc_nframes = (sc->sc_max_frame_sz + sc->sc_iface.psize - 1) 943 / sc->sc_iface.psize; 944 if (sc->sc_nframes > UTVFU_NFRAMES_MAX) 945 sc->sc_nframes = UTVFU_NFRAMES_MAX; 946 DPRINTF(1, "%s: nframes=%d\n", DEVNAME(sc), sc->sc_nframes); 947 948 rw_init(&sc->sc_audio.rwlock, "audiorwl"); 949 950 sc->sc_audiodev = audio_attach_mi(&utvfu_au_hw_if, sc, NULL, &sc->sc_dev); 951 sc->sc_videodev = video_attach_mi(&utvfu_vid_hw_if, sc, &sc->sc_dev); 952} 953 954int 955utvfu_detach(struct device *self, int flags) 956{ 957 struct utvfu_softc *sc = (struct utvfu_softc *)self; 958 int rv = 0; 959 960 /* Wait for outstanding requests to complete */ 961 usbd_delay_ms(sc->sc_udev, UTVFU_NFRAMES_MAX); /* XXX meh? */ 962 963 if (sc->sc_videodev != NULL) 964 rv = config_detach(sc->sc_videodev, flags); 965 966 if (sc->sc_audiodev != NULL) 967 rv += config_detach(sc->sc_audiodev, flags); 968 969 utvfu_as_free(sc); 970 utvfu_vs_free(sc); 971 972 sc->sc_flags = 0; 973 974 return (rv); 975} 976 977usbd_status 978utvfu_parse_desc(struct utvfu_softc *sc) 979{ 980 int nif, nep; 981 uint32_t psize; 982 struct usbd_desc_iter iter; 983 const struct usb_descriptor *ud; 984 struct usb_endpoint_descriptor *ued; 985 struct usb_interface_descriptor *uid = NULL; 986 987 nif = nep = 0; 988 usbd_desc_iter_init(sc->sc_udev, &iter); 989 while ((ud = usbd_desc_iter_next(&iter)) != NULL) { 990 if (ud->bDescriptorType != UDESC_INTERFACE) 991 continue; 992 /* looking for interface 0, alt-setting 1 */ 993 uid = (void *)ud; 994 if (uid->bInterfaceNumber > 0) 995 break; 996 if (uid->bAlternateSetting == 1) 997 break; 998 } 999 1000 /* this should not fail as it was ensured during match */ 1001 if (uid == NULL || uid->bInterfaceNumber != 0 || 1002 uid->bAlternateSetting != 1) { 1003 printf("%s: no valid alternate interface found!\n", 1004 DEVNAME(sc)); 1005 return (USBD_INVAL); 1006 } 1007 1008 /* bInterfaceNumber = 0 */ 1009 sc->sc_uifaceh = &sc->sc_udev->ifaces[0]; 1010 1011 /* looking for video endpoint to on alternate setting 1 */ 1012 while ((ud = usbd_desc_iter_next(&iter)) != NULL) { 1013 if (ud->bDescriptorType != UDESC_ENDPOINT) 1014 break; 1015 1016 ued = (void *)ud; 1017 if (ued->bEndpointAddress != UTVFU_VIDEO_ENDP) 1018 continue; 1019 1020 psize = UGETW(ued->wMaxPacketSize); 1021 psize = UE_GET_SIZE(psize) * (1 + UE_GET_TRANS(psize)); 1022 sc->sc_iface.psize = psize; 1023 break; 1024 } 1025 1026 return (USBD_NORMAL_COMPLETION); 1027} 1028 1029int 1030utvfu_open(void *addr, int flags, int *size, uint8_t *buffer, 1031 void (*intr)(void *), void *arg) 1032{ 1033 struct utvfu_softc *sc = addr; 1034 int rv; 1035 1036 DPRINTF(1, "%s: utvfu_open: sc=%p\n", DEVNAME(sc), sc); 1037 1038 if (usbd_is_dying(sc->sc_udev)) 1039 return (EIO); 1040 1041 if ((rv = utvfu_vs_init(sc)) != 0) 1042 return (rv); 1043 1044 /* pointers to upper video layer */ 1045 sc->sc_uplayer_arg = arg; 1046 sc->sc_uplayer_fsize = size; 1047 sc->sc_uplayer_fbuffer = buffer; 1048 sc->sc_uplayer_intr = intr; 1049 1050 sc->sc_flags &= ~UTVFU_FLAG_MMAP; 1051 1052 return (0); 1053} 1054 1055int 1056utvfu_close(void *addr) 1057{ 1058 struct utvfu_softc *sc = addr; 1059 1060 DPRINTF(1, "%s: utvfu_close: sc=%p\n", DEVNAME(sc), sc); 1061 1062 /* free & clean up video stream */ 1063 utvfu_vs_free(sc); 1064 1065 return (0); 1066} 1067 1068usbd_status 1069utvfu_as_open(struct utvfu_softc *sc) 1070{ 1071 usb_endpoint_descriptor_t *ed; 1072 usbd_status error; 1073 1074 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1075 1076 if (sc->sc_audio.iface.pipeh != NULL) { 1077 printf("%s: %s called while sc_audio.iface.pipeh not NULL\n", 1078 DEVNAME(sc), __func__); 1079 return (USBD_INVAL); 1080 } 1081 1082 ed = usbd_get_endpoint_descriptor(sc->sc_uifaceh, UTVFU_AUDIO_ENDP); 1083 if (ed == NULL) { 1084 printf("%s: no endpoint descriptor for AS iface\n", 1085 DEVNAME(sc)); 1086 return (USBD_INVAL); 1087 } 1088 DPRINTF(1, "%s: open pipe for ", DEVNAME(sc)); 1089 DPRINTF(1, "bEndpointAddress=0x%02x (0x%02x), wMaxPacketSize=" 1090 "0x%04x (%d)\n", 1091 UE_GET_ADDR(ed->bEndpointAddress), 1092 UTVFU_AUDIO_ENDP, 1093 UGETW(ed->wMaxPacketSize), 1094 UE_GET_SIZE(UGETW(ed->wMaxPacketSize)) 1095 * (1 + UE_GET_TRANS(UGETW(ed->wMaxPacketSize)))); 1096 1097 error = usbd_open_pipe( 1098 sc->sc_uifaceh, 1099 UTVFU_AUDIO_ENDP, 1100 USBD_EXCLUSIVE_USE, 1101 &sc->sc_audio.iface.pipeh); 1102 if (error != USBD_NORMAL_COMPLETION) { 1103 printf("%s: could not open AS pipe: %s\n", 1104 DEVNAME(sc), usbd_errstr(error)); 1105 } 1106 1107 return (error); 1108} 1109 1110usbd_status 1111utvfu_vs_open(struct utvfu_softc *sc) 1112{ 1113 usb_endpoint_descriptor_t *ed; 1114 usbd_status error; 1115 1116 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1117 1118 if (sc->sc_iface.pipeh != NULL) { 1119 printf("%s: %s called while sc_iface.pipeh not NULL\n", 1120 DEVNAME(sc), __func__); 1121 return (USBD_INVAL); 1122 } 1123 1124 ed = usbd_get_endpoint_descriptor(sc->sc_uifaceh, UTVFU_VIDEO_ENDP); 1125 if (ed == NULL) { 1126 printf("%s: no endpoint descriptor for VS iface\n", 1127 DEVNAME(sc)); 1128 return (USBD_INVAL); 1129 } 1130 DPRINTF(1, "%s: open pipe for ", DEVNAME(sc)); 1131 DPRINTF(1, "bEndpointAddress=0x%02x (0x%02x), wMaxPacketSize=" 1132 "0x%04x (%d)\n", 1133 UE_GET_ADDR(ed->bEndpointAddress), 1134 UTVFU_VIDEO_ENDP, 1135 UGETW(ed->wMaxPacketSize), 1136 sc->sc_iface.psize); 1137 1138 error = usbd_open_pipe( 1139 sc->sc_uifaceh, 1140 UTVFU_VIDEO_ENDP, 1141 USBD_EXCLUSIVE_USE, 1142 &sc->sc_iface.pipeh); 1143 if (error != USBD_NORMAL_COMPLETION) { 1144 printf("%s: could not open VS pipe: %s\n", 1145 DEVNAME(sc), usbd_errstr(error)); 1146 } 1147 1148 return (error); 1149} 1150 1151void 1152utvfu_as_close(struct utvfu_softc *sc) 1153{ 1154 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1155 1156 CLR(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1157 1158 if (sc->sc_audio.iface.pipeh != NULL) { 1159 usbd_abort_pipe(sc->sc_audio.iface.pipeh); 1160 1161 usbd_ref_wait(sc->sc_udev); 1162 1163 usbd_close_pipe(sc->sc_audio.iface.pipeh); 1164 sc->sc_audio.iface.pipeh = NULL; 1165 } 1166} 1167 1168void 1169utvfu_vs_close(struct utvfu_softc *sc) 1170{ 1171 if (sc->sc_iface.pipeh != NULL) { 1172 usbd_close_pipe(sc->sc_iface.pipeh); 1173 sc->sc_iface.pipeh = NULL; 1174 } 1175 1176 /* 1177 * Some devices need time to shutdown before we switch back to 1178 * the default interface (0). Not doing so can leave the device 1179 * back in a undefined condition. 1180 */ 1181 usbd_delay_ms(sc->sc_udev, 100); 1182 1183 /* switch back to default interface (turns off cam LED) */ 1184 (void)usbd_set_interface(sc->sc_uifaceh, UTVFU_DFLT_IFACE_IDX); 1185} 1186 1187void 1188utvfu_read(struct utvfu_softc *sc, uint8_t *buf, int len) 1189{ 1190 /* 1191 * Copy video frame to upper layer buffer and call 1192 * upper layer interrupt. 1193 */ 1194 *sc->sc_uplayer_fsize = len; 1195 memcpy(sc->sc_uplayer_fbuffer, buf, len); 1196 (*sc->sc_uplayer_intr)(sc->sc_uplayer_arg); 1197} 1198 1199int 1200utvfu_as_start_bulk(struct utvfu_softc *sc) 1201{ 1202 int error; 1203 1204 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 1205 return (0); 1206 if (sc->sc_audio.iface.pipeh == NULL) 1207 return (ENXIO); 1208 1209 SET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1210 error = kthread_create(utvfu_as_bulk_thread, sc, NULL, DEVNAME(sc)); 1211 if (error) { 1212 CLR(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1213 printf("%s: can't create kernel thread!", DEVNAME(sc)); 1214 } 1215 1216 return (error); 1217} 1218 1219void 1220utvfu_as_bulk_thread(void *arg) 1221{ 1222 struct utvfu_softc *sc = arg; 1223 struct utvfu_as_iface *iface; 1224 usbd_status error; 1225 uint32_t actlen; 1226 1227 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1228 1229 iface = &sc->sc_audio.iface; 1230 usbd_ref_incr(sc->sc_udev); 1231 while (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) { 1232 usbd_setup_xfer( 1233 iface->xfer, 1234 iface->pipeh, 1235 0, 1236 NULL, 1237 UTVFU_AUDIO_URBSIZE, 1238 USBD_NO_COPY | USBD_SHORT_XFER_OK | USBD_SYNCHRONOUS, 1239 0, 1240 NULL); 1241 error = usbd_transfer(iface->xfer); 1242 1243 if (error != USBD_NORMAL_COMPLETION) { 1244 DPRINTF(1, "%s: error in bulk xfer: %s!\n", 1245 DEVNAME(sc), usbd_errstr(error)); 1246 break; 1247 } 1248 1249 usbd_get_xfer_status(iface->xfer, NULL, NULL, &actlen, 1250 NULL); 1251 DPRINTF(2, "%s: *** buffer len = %d\n", DEVNAME(sc), actlen); 1252 1253 rw_enter_read(&sc->sc_audio.rwlock); 1254 utvfu_audio_decode(sc, actlen); 1255 rw_exit_read(&sc->sc_audio.rwlock); 1256 } 1257 1258 CLR(sc->sc_flags, UTVFU_FLAG_AS_RUNNING); 1259 usbd_ref_decr(sc->sc_udev); 1260 1261 DPRINTF(1, "%s %s: exiting\n", DEVNAME(sc), __func__); 1262 1263 kthread_exit(0); 1264} 1265 1266void 1267utvfu_vs_start_isoc(struct utvfu_softc *sc) 1268{ 1269 int i; 1270 1271 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) 1272 utvfu_vs_start_isoc_ixfer(sc, &sc->sc_iface.ixfer[i]); 1273} 1274 1275void 1276utvfu_vs_start_isoc_ixfer(struct utvfu_softc *sc, 1277 struct utvfu_isoc_xfer *ixfer) 1278{ 1279 int i; 1280 usbd_status error; 1281 1282 DPRINTF(2, "%s: %s\n", DEVNAME(sc), __func__); 1283 1284 if (usbd_is_dying(sc->sc_udev)) 1285 return; 1286 1287 for (i = 0; i < sc->sc_nframes; i++) 1288 ixfer->size[i] = sc->sc_iface.psize; 1289 1290 usbd_setup_isoc_xfer( 1291 ixfer->xfer, 1292 sc->sc_iface.pipeh, 1293 ixfer, 1294 ixfer->size, 1295 sc->sc_nframes, 1296 USBD_NO_COPY | USBD_SHORT_XFER_OK, 1297 utvfu_vs_cb); 1298 1299 error = usbd_transfer(ixfer->xfer); 1300 if (error && error != USBD_IN_PROGRESS) { 1301 DPRINTF(1, "%s: usbd_transfer error=%s!\n", 1302 DEVNAME(sc), usbd_errstr(error)); 1303 } 1304} 1305 1306/* 1307 * Each packet contains a number of 256-byte chunks composing the image frame. 1308 */ 1309void 1310utvfu_vs_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 1311{ 1312 struct utvfu_isoc_xfer *ixfer = priv; 1313 struct utvfu_softc *sc = ixfer->sc; 1314 int i, off, frame_size; 1315 uint32_t actlen; 1316 uint8_t *frame; 1317 1318 DPRINTF(2, "%s: %s\n", DEVNAME(sc), __func__); 1319 1320 if (status != USBD_NORMAL_COMPLETION) { 1321 DPRINTF(1, "%s: %s: %s\n", DEVNAME(sc), __func__, 1322 usbd_errstr(status)); 1323 return; 1324 } 1325 usbd_get_xfer_status(xfer, NULL, NULL, &actlen, NULL); 1326 1327 DPRINTF(2, "%s: *** buffer len = %d\n", DEVNAME(sc), actlen); 1328 if (actlen == 0) 1329 goto skip; 1330 1331 frame = KERNADDR(&xfer->dmabuf, 0); 1332 for (i = 0; i < sc->sc_nframes; i++, frame += sc->sc_iface.psize) { 1333 frame_size = ixfer->size[i]; 1334 1335 if (frame_size == 0) 1336 /* frame is empty */ 1337 continue; 1338 1339 #define CHUNK_STRIDE (UTVFU_CHUNK_SIZE*4) 1340 for (off = 0; off + CHUNK_STRIDE <= frame_size; 1341 off += CHUNK_STRIDE) { 1342 utvfu_image_chunk(sc, frame + off); 1343 } 1344 #undef CHUNK_STRIDE 1345 } 1346 1347skip: /* setup new transfer */ 1348 utvfu_vs_start_isoc_ixfer(sc, ixfer); 1349} 1350 1351int 1352utvfu_find_queued(struct utvfu_softc *sc) 1353{ 1354 int i; 1355 1356 /* find a buffer which is ready for queueing */ 1357 for (i = 0; i < sc->sc_mmap_count; i++) { 1358 if (sc->sc_mmap[i].v4l2_buf.flags & V4L2_BUF_FLAG_DONE) 1359 continue; 1360 if (sc->sc_mmap[i].v4l2_buf.flags & V4L2_BUF_FLAG_QUEUED) 1361 return (i); 1362 } 1363 1364 return (-1); 1365} 1366 1367int 1368utvfu_mmap_queue(struct utvfu_softc *sc, uint8_t *buf, int len) 1369{ 1370 int i; 1371 1372 if (sc->sc_mmap_count == 0 || sc->sc_mmap_buffer == NULL) 1373 panic("%s: mmap buffers not allocated", __func__); 1374 1375 /* find a buffer which is ready for queueing */ 1376 if ((i = utvfu_find_queued(sc)) == -1) { 1377 DPRINTF(2, "%s: mmap queue is full!\n", DEVNAME(sc)); 1378 return (ENOMEM); 1379 } 1380 1381 /* copy frame to mmap buffer and report length */ 1382 memcpy(sc->sc_mmap[i].buf, buf, len); 1383 sc->sc_mmap[i].v4l2_buf.bytesused = len; 1384 1385 /* timestamp it */ 1386 getmicrotime(&sc->sc_mmap[i].v4l2_buf.timestamp); 1387 1388 /* appropriately set/clear flags */ 1389 sc->sc_mmap[i].v4l2_buf.flags &= ~V4L2_BUF_FLAG_QUEUED; 1390 sc->sc_mmap[i].v4l2_buf.flags |= V4L2_BUF_FLAG_DONE; 1391 1392 /* queue it */ 1393 SIMPLEQ_INSERT_TAIL(&sc->sc_mmap_q, &sc->sc_mmap[i], q_frames); 1394 DPRINTF(2, "%s: %s: frame queued on index %d\n", 1395 DEVNAME(sc), __func__, i); 1396 1397 wakeup(sc); 1398 1399 /* 1400 * In case userland uses poll(2), signal that we have a frame 1401 * ready to dequeue. 1402 */ 1403 (*sc->sc_uplayer_intr)(sc->sc_uplayer_arg); 1404 1405 return (0); 1406} 1407 1408caddr_t 1409utvfu_mappage(void *v, off_t off, int prot) 1410{ 1411 struct utvfu_softc *sc = v; 1412 caddr_t p = NULL; 1413 1414 if (off < sc->sc_mmap_bufsz) { 1415 if ((sc->sc_flags & UTVFU_FLAG_MMAP) == 0) 1416 sc->sc_flags |= UTVFU_FLAG_MMAP; 1417 1418 p = sc->sc_mmap_buffer + off; 1419 } 1420 1421 return (p); 1422} 1423 1424int 1425utvfu_get_bufsize(void *v) 1426{ 1427 struct utvfu_softc *sc = v; 1428 1429 /* YUYV/YUV-422: 4 bytes/2 pixel */ 1430 return (utvfu_norm_params[sc->sc_normi].cap_width * 1431 utvfu_norm_params[sc->sc_normi].cap_height * 2); 1432} 1433 1434int 1435utvfu_start_read(void *v) 1436{ 1437 struct utvfu_softc *sc = v; 1438 usbd_status error; 1439 1440 if (sc->sc_flags & UTVFU_FLAG_MMAP) 1441 sc->sc_flags &= ~UTVFU_FLAG_MMAP; 1442 1443 /* open video stream pipe */ 1444 error = utvfu_vs_open(sc); 1445 if (error != USBD_NORMAL_COMPLETION) 1446 return (EINVAL); 1447 1448 utvfu_vs_start_isoc(sc); 1449 1450 return (0); 1451} 1452 1453void 1454utvfu_audio_clear_client(struct utvfu_softc *sc) 1455{ 1456 rw_enter_write(&sc->sc_audio.rwlock); 1457 1458 sc->sc_audio.intr = NULL; 1459 sc->sc_audio.intr_arg = NULL; 1460 sc->sc_audio.start = NULL; 1461 sc->sc_audio.end = NULL; 1462 sc->sc_audio.cur = NULL; 1463 sc->sc_audio.blksize = 0; 1464 1465 rw_exit_write(&sc->sc_audio.rwlock); 1466} 1467 1468void 1469utvfu_as_free(struct utvfu_softc *sc) 1470{ 1471 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1472 1473 utvfu_as_close(sc); 1474 utvfu_as_free_bulk(sc); 1475} 1476 1477void 1478utvfu_vs_free(struct utvfu_softc *sc) 1479{ 1480 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1481 utvfu_vs_close(sc); 1482 utvfu_vs_free_isoc(sc); 1483 utvfu_vs_free_frame(sc); 1484} 1485 1486int 1487utvfu_as_init(struct utvfu_softc *sc) 1488{ 1489 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1490 1491 if (sc->sc_audio.iface.xfer != NULL) 1492 return (0); 1493 1494 /* allocate audio and video stream xfer buffer */ 1495 return utvfu_as_alloc_bulk(sc); 1496} 1497 1498int 1499utvfu_vs_init(struct utvfu_softc *sc) 1500{ 1501 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1502 1503 if (utvfu_start_capture(sc) != 0) 1504 return (EINVAL); 1505 1506 if (utvfu_vs_alloc_isoc(sc) != 0 || utvfu_vs_alloc_frame(sc) != 0) 1507 return (ENOMEM); 1508 1509 return (0); 1510} 1511 1512int 1513utvfu_vs_alloc_frame(struct utvfu_softc *sc) 1514{ 1515 struct utvfu_frame_buf *fb = &sc->sc_fb; 1516 1517 fb->size = sc->sc_max_frame_sz; 1518 fb->buf = malloc(fb->size, M_USBDEV, M_NOWAIT); 1519 if (fb->buf == NULL) { 1520 printf("%s: can't allocate frame buffer!\n", DEVNAME(sc)); 1521 return (ENOMEM); 1522 } 1523 1524 DPRINTF(1, "%s: %s: allocated %d bytes frame buffer\n", 1525 DEVNAME(sc), __func__, fb->size); 1526 1527 fb->chunks_done = 0; 1528 fb->fid = 0; 1529 fb->last_odd = 1; 1530 1531 return (0); 1532} 1533 1534void 1535utvfu_vs_free_frame(struct utvfu_softc *sc) 1536{ 1537 struct utvfu_frame_buf *fb = &sc->sc_fb; 1538 1539 if (fb->buf != NULL) { 1540 free(fb->buf, M_USBDEV, fb->size); 1541 fb->buf = NULL; 1542 } 1543 1544 if (sc->sc_mmap_buffer != NULL) { 1545 free(sc->sc_mmap_buffer, M_USBDEV, sc->sc_mmap_bufsz); 1546 sc->sc_mmap_buffer = NULL; 1547 memset(sc->sc_mmap, 0, sizeof(sc->sc_mmap)); 1548 } 1549 1550 while (!SIMPLEQ_EMPTY(&sc->sc_mmap_q)) 1551 SIMPLEQ_REMOVE_HEAD(&sc->sc_mmap_q, q_frames); 1552 1553 sc->sc_mmap_count = 0; 1554} 1555 1556usbd_status 1557utvfu_vs_alloc_isoc(struct utvfu_softc *sc) 1558{ 1559 int size, i; 1560 void *buf; 1561 1562 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1563 1564 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) { 1565 sc->sc_iface.ixfer[i].sc = sc; 1566 sc->sc_iface.ixfer[i].xfer = usbd_alloc_xfer(sc->sc_udev); 1567 if (sc->sc_iface.ixfer[i].xfer == NULL) { 1568 printf("%s: could not allocate isoc VS xfer!\n", 1569 DEVNAME(sc)); 1570 return (USBD_NOMEM); 1571 } 1572 1573 size = sc->sc_iface.psize * sc->sc_nframes; 1574 1575 buf = usbd_alloc_buffer(sc->sc_iface.ixfer[i].xfer, size); 1576 if (buf == NULL) { 1577 printf("%s: could not allocate isoc VS buffer!\n", 1578 DEVNAME(sc)); 1579 return (USBD_NOMEM); 1580 } 1581 DPRINTF(1, "%s: allocated %d bytes isoc VS xfer buffer\n", 1582 DEVNAME(sc), size); 1583 } 1584 1585 return (USBD_NORMAL_COMPLETION); 1586} 1587 1588int 1589utvfu_as_alloc_bulk(struct utvfu_softc *sc) 1590{ 1591 struct usbd_xfer *xfer; 1592 1593 xfer = usbd_alloc_xfer(sc->sc_udev); 1594 if (xfer == NULL) { 1595 printf("%s: could not allocate bulk AUDIO xfer!\n", 1596 DEVNAME(sc)); 1597 return (ENOMEM); 1598 } 1599 1600 if (usbd_alloc_buffer(xfer, UTVFU_AUDIO_URBSIZE) == NULL) { 1601 usbd_free_xfer(xfer); 1602 printf("%s: could not allocate bulk AUDIO buffer!\n", 1603 DEVNAME(sc)); 1604 return (ENOMEM); 1605 } 1606 DPRINTF(1, "%s: allocated %d bytes bulk AUDIO xfer buffer\n", 1607 DEVNAME(sc), UTVFU_AUDIO_URBSIZE); 1608 1609 sc->sc_audio.iface.xfer = xfer; 1610 1611 return (0); 1612} 1613 1614void 1615utvfu_vs_free_isoc(struct utvfu_softc *sc) 1616{ 1617 int i; 1618 1619 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1620 1621 for (i = 0; i < UTVFU_ISOC_TRANSFERS; i++) { 1622 if (sc->sc_iface.ixfer[i].xfer != NULL) { 1623 usbd_free_xfer(sc->sc_iface.ixfer[i].xfer); 1624 sc->sc_iface.ixfer[i].xfer = NULL; 1625 } 1626 } 1627} 1628 1629void 1630utvfu_as_free_bulk(struct utvfu_softc *sc) 1631{ 1632 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1633 1634 if (sc->sc_audio.iface.xfer != NULL) { 1635 usbd_free_xfer(sc->sc_audio.iface.xfer); 1636 sc->sc_audio.iface.xfer = NULL; 1637 } 1638} 1639 1640int 1641utvfu_reqbufs(void *v, struct v4l2_requestbuffers *rb) 1642{ 1643 struct utvfu_softc *sc = v; 1644 int i; 1645 1646 DPRINTF(1, "%s: %s: count=%d\n", DEVNAME(sc), __func__, rb->count); 1647 1648 /* We do not support freeing buffers via reqbufs(0) */ 1649 if (rb->count == 0) 1650 return (EINVAL); 1651 1652 if (sc->sc_mmap_count > 0 || sc->sc_mmap_buffer != NULL) { 1653 DPRINTF(1, "%s: %s: mmap buffers already allocated\n", 1654 DEVNAME(sc), __func__); 1655 return (EINVAL); 1656 } 1657 1658 /* limit the buffers */ 1659 if (rb->count > UTVFU_MAX_BUFFERS) 1660 sc->sc_mmap_count = UTVFU_MAX_BUFFERS; 1661 else 1662 sc->sc_mmap_count = rb->count; 1663 1664 /* allocate the total mmap buffer */ 1665 sc->sc_mmap_bufsz = sc->sc_max_frame_sz; 1666 if (INT_MAX / sc->sc_mmap_count < sc->sc_max_frame_sz) /* overflow */ 1667 return (ENOMEM); 1668 sc->sc_mmap_bufsz *= sc->sc_mmap_count; 1669 sc->sc_mmap_bufsz = round_page(sc->sc_mmap_bufsz); /* page align */ 1670 sc->sc_mmap_buffer = malloc(sc->sc_mmap_bufsz, M_USBDEV, M_NOWAIT); 1671 if (sc->sc_mmap_buffer == NULL) { 1672 printf("%s: can't allocate mmap buffer!\n", DEVNAME(sc)); 1673 return (ENOMEM); 1674 } 1675 DPRINTF(1, "%s: allocated %d bytes mmap buffer\n", 1676 DEVNAME(sc), sc->sc_mmap_bufsz); 1677 1678 /* fill the v4l2_buffer structure */ 1679 for (i = 0; i < sc->sc_mmap_count; i++) { 1680 sc->sc_mmap[i].buf = sc->sc_mmap_buffer 1681 + (i * sc->sc_max_frame_sz); 1682 sc->sc_mmap[i].v4l2_buf.index = i; 1683 sc->sc_mmap[i].v4l2_buf.m.offset = i * sc->sc_max_frame_sz; 1684 sc->sc_mmap[i].v4l2_buf.length = sc->sc_max_frame_sz; 1685 sc->sc_mmap[i].v4l2_buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1686 sc->sc_mmap[i].v4l2_buf.sequence = 0; 1687 sc->sc_mmap[i].v4l2_buf.field = V4L2_FIELD_NONE; 1688 sc->sc_mmap[i].v4l2_buf.memory = V4L2_MEMORY_MMAP; 1689 sc->sc_mmap[i].v4l2_buf.flags = V4L2_BUF_FLAG_MAPPED; 1690 1691 DPRINTF(1, "%s: %s: index=%d, offset=%d, length=%d\n", 1692 DEVNAME(sc), __func__, 1693 sc->sc_mmap[i].v4l2_buf.index, 1694 sc->sc_mmap[i].v4l2_buf.m.offset, 1695 sc->sc_mmap[i].v4l2_buf.length); 1696 } 1697 1698 /* tell how many buffers we have really allocated */ 1699 rb->count = sc->sc_mmap_count; 1700 1701 return (0); 1702} 1703 1704int 1705utvfu_querybuf(void *v, struct v4l2_buffer *qb) 1706{ 1707 struct utvfu_softc *sc = v; 1708 1709 if (qb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1710 qb->memory != V4L2_MEMORY_MMAP || 1711 qb->index >= sc->sc_mmap_count) 1712 return (EINVAL); 1713 1714 memcpy(qb, &sc->sc_mmap[qb->index].v4l2_buf, 1715 sizeof(struct v4l2_buffer)); 1716 1717 DPRINTF(1, "%s: %s: index=%d, offset=%d, length=%d\n", 1718 DEVNAME(sc), __func__, qb->index, qb->m.offset, qb->length); 1719 1720 return (0); 1721} 1722 1723int 1724utvfu_qbuf(void *v, struct v4l2_buffer *qb) 1725{ 1726 struct utvfu_softc *sc = v; 1727 1728 if (qb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1729 qb->memory != V4L2_MEMORY_MMAP || 1730 qb->index >= sc->sc_mmap_count) 1731 return (EINVAL); 1732 1733 sc->sc_mmap[qb->index].v4l2_buf.flags &= ~V4L2_BUF_FLAG_DONE; 1734 sc->sc_mmap[qb->index].v4l2_buf.flags |= V4L2_BUF_FLAG_MAPPED; 1735 sc->sc_mmap[qb->index].v4l2_buf.flags |= V4L2_BUF_FLAG_QUEUED; 1736 1737 DPRINTF(2, "%s: %s: buffer on index %d ready for queueing\n", 1738 DEVNAME(sc), __func__, qb->index); 1739 1740 return (0); 1741} 1742 1743int 1744utvfu_dqbuf(void *v, struct v4l2_buffer *dqb) 1745{ 1746 struct utvfu_softc *sc = v; 1747 struct utvfu_mmap *mmap; 1748 int error; 1749 1750 if (dqb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || 1751 dqb->memory != V4L2_MEMORY_MMAP) 1752 return (EINVAL); 1753 1754 if (SIMPLEQ_EMPTY(&sc->sc_mmap_q)) { 1755 /* mmap queue is empty, block until first frame is queued */ 1756 error = tsleep_nsec(sc, 0, "vid_mmap", SEC_TO_NSEC(10)); 1757 if (error) 1758 return (EINVAL); 1759 } 1760 1761 mmap = SIMPLEQ_FIRST(&sc->sc_mmap_q); 1762 if (mmap == NULL) 1763 panic("utvfu_dqbuf: NULL pointer!"); 1764 1765 memcpy(dqb, &mmap->v4l2_buf, sizeof(struct v4l2_buffer)); 1766 1767 mmap->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_DONE|V4L2_BUF_FLAG_QUEUED); 1768 mmap->v4l2_buf.flags |= V4L2_BUF_FLAG_MAPPED; 1769 1770 DPRINTF(2, "%s: %s: frame dequeued from index %d\n", 1771 DEVNAME(sc), __func__, mmap->v4l2_buf.index); 1772 SIMPLEQ_REMOVE_HEAD(&sc->sc_mmap_q, q_frames); 1773 1774 return (0); 1775} 1776 1777int 1778utvfu_streamon(void *v, int type) 1779{ 1780 struct utvfu_softc *sc = v; 1781 usbd_status error; 1782 1783 /* open video stream pipe */ 1784 error = utvfu_vs_open(sc); 1785 if (error != USBD_NORMAL_COMPLETION) 1786 return (EINVAL); 1787 1788 utvfu_vs_start_isoc(sc); 1789 1790 return (0); 1791} 1792 1793int 1794utvfu_streamoff(void *v, int type) 1795{ 1796 utvfu_vs_close(v); 1797 1798 return (0); 1799} 1800 1801int 1802utvfu_queryctrl(void *v, struct v4l2_queryctrl *qctrl) 1803{ 1804 qctrl->flags = V4L2_CTRL_FLAG_DISABLED; 1805 1806 return (0); 1807} 1808 1809int 1810utvfu_g_parm(void *v, struct v4l2_streamparm *parm) 1811{ 1812 struct utvfu_softc *sc = v; 1813 1814 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1815 return (EINVAL); 1816 1817 /* 1818 * XXX Unsure whether there is a way to negotiate this with the 1819 * device, but returning 0 will allow xenocara's video to run 1820 */ 1821 switch (utvfu_norm_params[sc->sc_normi].norm) { 1822 default: 1823 return (EINVAL); 1824 case V4L2_STD_525_60: 1825 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; 1826 parm->parm.capture.capturemode = 0; 1827 parm->parm.capture.timeperframe.numerator = 30; 1828 parm->parm.capture.timeperframe.denominator = 1; 1829 break; 1830 case V4L2_STD_PAL: 1831 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; 1832 parm->parm.capture.capturemode = 0; 1833 parm->parm.capture.timeperframe.numerator = 25; 1834 parm->parm.capture.timeperframe.denominator = 1; 1835 break; 1836 } 1837 1838 return (0); 1839} 1840 1841int 1842utvfu_s_parm(void *v, struct v4l2_streamparm *parm) 1843{ 1844 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1845 return (EINVAL); 1846 1847 return (0); 1848} 1849 1850/* 1851 * A U D I O O P S 1852 */ 1853 1854int 1855utvfu_audio_open(void *v, int flags) 1856{ 1857 struct utvfu_softc *sc = v; 1858 1859 if (usbd_is_dying(sc->sc_udev)) 1860 return (EIO); 1861 1862 if ((flags & FWRITE)) 1863 return (ENXIO); 1864 1865 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 1866 return (EBUSY); 1867 1868 return utvfu_as_init(sc); 1869} 1870 1871void 1872utvfu_audio_close(void *v) 1873{ 1874 struct utvfu_softc *sc = v; 1875 1876 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1877 1878 utvfu_audio_stop(sc); 1879 utvfu_audio_clear_client(sc); 1880} 1881 1882int 1883utvfu_audio_set_params(void *v, int setmode, int usemode, 1884 struct audio_params *play, struct audio_params *rec) 1885{ 1886 struct utvfu_softc *sc = v; 1887 1888 if (usbd_is_dying(sc->sc_udev)) 1889 return (EIO); 1890 1891 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1892 1893 /* XXX ? */ 1894 play->sample_rate = 0; 1895 play->encoding = AUDIO_ENCODING_NONE; 1896 1897 rec->sample_rate = 48000; 1898 rec->encoding = AUDIO_ENCODING_SLINEAR_LE; 1899 rec->precision = 16; 1900 rec->bps = 2; 1901 rec->msb = 1; 1902 rec->channels = 2; 1903 1904 return (0); 1905} 1906 1907int 1908utvfu_audio_halt_out(void *v) 1909{ 1910 return (EIO); 1911} 1912 1913int 1914utvfu_audio_halt_in(void *v) 1915{ 1916 struct utvfu_softc *sc = v; 1917 1918 if (usbd_is_dying(sc->sc_udev)) 1919 return (EIO); 1920 1921 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 1922 1923 utvfu_audio_stop(sc); 1924 utvfu_audio_clear_client(sc); 1925 1926 return (0); 1927} 1928 1929int 1930utvfu_audio_mixer_set_port(void *v, struct mixer_ctrl *cp) 1931{ 1932 struct utvfu_softc *sc = v; 1933 1934 if (usbd_is_dying(sc->sc_udev)) 1935 return (EIO); 1936 1937 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1938 1939 if (cp->type != AUDIO_MIXER_ENUM || 1940 cp->un.ord < 0 || cp->un.ord > 1) 1941 return (EINVAL); 1942 1943 /* XXX TODO */ 1944 1945 DPRINTF(1, "%s %s: cp->un.ord=%d\n", DEVNAME(sc), __func__, cp->un.ord); 1946 1947 return (0); 1948} 1949 1950int 1951utvfu_audio_mixer_get_port(void *v, struct mixer_ctrl *cp) 1952{ 1953 struct utvfu_softc *sc = v; 1954 1955 if (usbd_is_dying(sc->sc_udev)) 1956 return (EIO); 1957 1958 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1959 1960 if (cp->type != AUDIO_MIXER_ENUM || 1961 cp->un.ord < 0 || cp->un.ord > 1) 1962 return (EINVAL); 1963 1964 /* XXX TODO */ 1965 1966 DPRINTF(1, "%s %s: cp->un.ord=%d\n", DEVNAME(sc), __func__, cp->un.ord); 1967 1968 return (0); 1969} 1970 1971int 1972utvfu_audio_query_devinfo(void *v, struct mixer_devinfo *mi) 1973{ 1974 struct utvfu_softc *sc = v; 1975 1976 if (usbd_is_dying(sc->sc_udev)) 1977 return (EIO); 1978 1979 DPRINTF(1, "%s %s\n", DEVNAME(sc), __func__); 1980 1981 if (mi->index != 0) 1982 return (EINVAL); 1983 1984 /* XXX SOMEONE WITH AUDIO EXPERTIZE NEEDS TO HELP HERE */ 1985 strlcpy(mi->label.name, "mix0-i0", sizeof(mi->label.name)); 1986 mi->type = AUDIO_MIXER_ENUM; 1987 mi->un.e.num_mem = 2; 1988 mi->un.e.member[0].ord = 0; 1989 strlcpy(mi->un.e.member[0].label.name, AudioNoff, 1990 sizeof(mi->un.e.member[0].label.name)); 1991 mi->un.e.member[1].ord = 1; 1992 strlcpy(mi->un.e.member[1].label.name, AudioNon, 1993 sizeof(mi->un.e.member[1].label.name)); 1994 1995 return (0); 1996} 1997 1998int 1999utvfu_audio_get_props(void *v) 2000{ 2001 return (0); 2002} 2003 2004int 2005utvfu_audio_trigger_output(void *v, void *start, void *end, int blksize, 2006 void (*intr)(void *), void *arg, struct audio_params *param) 2007{ 2008 return (EIO); 2009} 2010 2011int 2012utvfu_audio_trigger_input(void *v, void *start, void *end, int blksize, 2013 void (*intr)(void *), void *arg, struct audio_params *param) 2014{ 2015 struct utvfu_softc *sc = v; 2016 2017 if (usbd_is_dying(sc->sc_udev)) 2018 return (EIO); 2019 2020 rw_enter_write(&sc->sc_audio.rwlock); 2021 2022 sc->sc_audio.intr_arg = arg; 2023 sc->sc_audio.intr = intr; 2024 sc->sc_audio.start = start; 2025 sc->sc_audio.end = end; 2026 sc->sc_audio.cur = start; 2027 sc->sc_audio.blksize = blksize; 2028 2029 rw_exit_write(&sc->sc_audio.rwlock); 2030 2031 DPRINTF(1, "%s %s: start=%p end=%p diff=%lu blksize=%d\n", 2032 DEVNAME(sc), __func__, start, end, 2033 ((u_char *)end - (u_char *)start), blksize); 2034 2035 return utvfu_audio_start(sc); 2036} 2037 2038int 2039utvfu_audio_start(struct utvfu_softc *sc) 2040{ 2041 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 2042 2043 if (ISSET(sc->sc_flags, UTVFU_FLAG_AS_RUNNING)) 2044 return (0); 2045 2046 utvfu_audio_start_chip(sc); 2047 2048 if (utvfu_as_init(sc) != 0) 2049 return (ENOMEM); 2050 if (sc->sc_audio.iface.pipeh == NULL) { 2051 if (utvfu_as_open(sc) != USBD_NORMAL_COMPLETION) 2052 return (ENOMEM); 2053 } 2054 2055 return utvfu_as_start_bulk(sc); 2056} 2057 2058int 2059utvfu_audio_stop(struct utvfu_softc *sc) 2060{ 2061 DPRINTF(1, "%s: %s\n", DEVNAME(sc), __func__); 2062 2063 utvfu_audio_stop_chip(sc); 2064 utvfu_as_free(sc); 2065 2066 return (0); 2067} 2068