1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 cx231xx-video.c - driver for Conexant Cx23100/101/102 4 USB video capture devices 5 6 Copyright (C) 2008 <srinivasa.deevi at conexant dot com> 7 Based on em28xx driver 8 Based on cx23885 driver 9 Based on cx88 driver 10 11 */ 12 13 #include "cx231xx.h" 14 #include <linux/init.h> 15 #include <linux/list.h> 16 #include <linux/module.h> 17 #include <linux/kernel.h> 18 #include <linux/bitmap.h> 19 #include <linux/i2c.h> 20 #include <linux/mm.h> 21 #include <linux/mutex.h> 22 #include <linux/slab.h> 23 24 #include <media/v4l2-common.h> 25 #include <media/v4l2-ioctl.h> 26 #include <media/v4l2-event.h> 27 #include <media/drv-intf/msp3400.h> 28 #include <media/tuner.h> 29 30 #include <media/dvb_frontend.h> 31 32 #include "cx231xx-vbi.h" 33 34 #define CX231XX_VERSION "0.0.3" 35 36 #define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>" 37 #define DRIVER_DESC "Conexant cx231xx based USB video device driver" 38 39 #define cx231xx_videodbg(fmt, arg...) do {\ 40 if (video_debug) \ 41 printk(KERN_INFO "%s %s :"fmt, \ 42 dev->name, __func__ , ##arg); } while (0) 43 44 static unsigned int isoc_debug; 45 module_param(isoc_debug, int, 0644); 46 MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); 47 48 #define cx231xx_isocdbg(fmt, arg...) \ 49 do {\ 50 if (isoc_debug) { \ 51 printk(KERN_INFO "%s %s :"fmt, \ 52 dev->name, __func__ , ##arg); \ 53 } \ 54 } while (0) 55 56 MODULE_AUTHOR(DRIVER_AUTHOR); 57 MODULE_DESCRIPTION(DRIVER_DESC); 58 MODULE_LICENSE("GPL"); 59 MODULE_VERSION(CX231XX_VERSION); 60 61 static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U }; 62 static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U }; 63 static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U }; 64 static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U }; 65 66 module_param_array(card, int, NULL, 0444); 67 module_param_array(video_nr, int, NULL, 0444); 68 module_param_array(vbi_nr, int, NULL, 0444); 69 module_param_array(radio_nr, int, NULL, 0444); 70 71 MODULE_PARM_DESC(card, "card type"); 72 MODULE_PARM_DESC(video_nr, "video device numbers"); 73 MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 74 MODULE_PARM_DESC(radio_nr, "radio device numbers"); 75 76 static unsigned int video_debug; 77 module_param(video_debug, int, 0644); 78 MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 79 80 /* supported video standards */ 81 static struct cx231xx_fmt format[] = { 82 { 83 .fourcc = V4L2_PIX_FMT_YUYV, 84 .depth = 16, 85 .reg = 0, 86 }, 87 }; 88 89 90 static int cx231xx_enable_analog_tuner(struct cx231xx *dev) 91 { 92 #ifdef CONFIG_MEDIA_CONTROLLER 93 struct media_device *mdev = dev->media_dev; 94 struct media_entity *entity, *decoder = NULL, *source; 95 struct media_link *link, *found_link = NULL; 96 int ret, active_links = 0; 97 98 if (!mdev) 99 return 0; 100 101 /* 102 * This will find the tuner that is connected into the decoder. 103 * Technically, this is not 100% correct, as the device may be 104 * using an analog input instead of the tuner. However, as we can't 105 * do DVB streaming while the DMA engine is being used for V4L2, 106 * this should be enough for the actual needs. 107 */ 108 media_device_for_each_entity(entity, mdev) { 109 if (entity->function == MEDIA_ENT_F_ATV_DECODER) { 110 decoder = entity; 111 break; 112 } 113 } 114 if (!decoder) 115 return 0; 116 117 list_for_each_entry(link, &decoder->links, list) { 118 if (link->sink->entity == decoder) { 119 found_link = link; 120 if (link->flags & MEDIA_LNK_FL_ENABLED) 121 active_links++; 122 break; 123 } 124 } 125 126 if (active_links == 1 || !found_link) 127 return 0; 128 129 source = found_link->source->entity; 130 list_for_each_entry(link, &source->links, list) { 131 struct media_entity *sink; 132 int flags = 0; 133 134 sink = link->sink->entity; 135 136 if (sink == entity) 137 flags = MEDIA_LNK_FL_ENABLED; 138 139 ret = media_entity_setup_link(link, flags); 140 if (ret) { 141 dev_err(dev->dev, 142 "Couldn't change link %s->%s to %s. Error %d\n", 143 source->name, sink->name, 144 flags ? "enabled" : "disabled", 145 ret); 146 return ret; 147 } else 148 dev_dbg(dev->dev, 149 "link %s->%s was %s\n", 150 source->name, sink->name, 151 flags ? "ENABLED" : "disabled"); 152 } 153 #endif 154 return 0; 155 } 156 157 /* ------------------------------------------------------------------ 158 Video buffer and parser functions 159 ------------------------------------------------------------------*/ 160 161 /* 162 * Announces that a buffer were filled and request the next 163 */ 164 static inline void buffer_filled(struct cx231xx *dev, 165 struct cx231xx_dmaqueue *dma_q, 166 struct cx231xx_buffer *buf) 167 { 168 /* Advice that buffer was filled */ 169 cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.vb2_buf.index); 170 buf->vb.sequence = dma_q->sequence++; 171 buf->vb.field = V4L2_FIELD_INTERLACED; 172 buf->vb.vb2_buf.timestamp = ktime_get_ns(); 173 vb2_set_plane_payload(&buf->vb.vb2_buf, 0, dev->size); 174 175 if (dev->USE_ISO) 176 dev->video_mode.isoc_ctl.buf = NULL; 177 else 178 dev->video_mode.bulk_ctl.buf = NULL; 179 180 list_del(&buf->list); 181 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); 182 } 183 184 static inline void print_err_status(struct cx231xx *dev, int packet, int status) 185 { 186 char *errmsg = "Unknown"; 187 188 switch (status) { 189 case -ENOENT: 190 errmsg = "unlinked synchronously"; 191 break; 192 case -ECONNRESET: 193 errmsg = "unlinked asynchronously"; 194 break; 195 case -ENOSR: 196 errmsg = "Buffer error (overrun)"; 197 break; 198 case -EPIPE: 199 errmsg = "Stalled (device not responding)"; 200 break; 201 case -EOVERFLOW: 202 errmsg = "Babble (bad cable?)"; 203 break; 204 case -EPROTO: 205 errmsg = "Bit-stuff error (bad cable?)"; 206 break; 207 case -EILSEQ: 208 errmsg = "CRC/Timeout (could be anything)"; 209 break; 210 case -ETIME: 211 errmsg = "Device does not respond"; 212 break; 213 } 214 if (packet < 0) { 215 cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg); 216 } else { 217 cx231xx_isocdbg("URB packet %d, status %d [%s].\n", 218 packet, status, errmsg); 219 } 220 } 221 222 /* 223 * generic routine to get the next available buffer 224 */ 225 static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q, 226 struct cx231xx_buffer **buf) 227 { 228 struct cx231xx_video_mode *vmode = 229 container_of(dma_q, struct cx231xx_video_mode, vidq); 230 struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); 231 232 char *outp; 233 234 if (list_empty(&dma_q->active)) { 235 cx231xx_isocdbg("No active queue to serve\n"); 236 if (dev->USE_ISO) 237 dev->video_mode.isoc_ctl.buf = NULL; 238 else 239 dev->video_mode.bulk_ctl.buf = NULL; 240 *buf = NULL; 241 return; 242 } 243 244 /* Get the next buffer */ 245 *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list); 246 247 /* Cleans up buffer - Useful for testing for frame/URB loss */ 248 outp = vb2_plane_vaddr(&(*buf)->vb.vb2_buf, 0); 249 memset(outp, 0, dev->size); 250 251 if (dev->USE_ISO) 252 dev->video_mode.isoc_ctl.buf = *buf; 253 else 254 dev->video_mode.bulk_ctl.buf = *buf; 255 256 return; 257 } 258 259 /* 260 * Controls the isoc copy of each urb packet 261 */ 262 static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) 263 { 264 struct cx231xx_dmaqueue *dma_q = urb->context; 265 int i; 266 unsigned char *p_buffer; 267 u32 bytes_parsed = 0, buffer_size = 0; 268 u8 sav_eav = 0; 269 270 if (!dev) 271 return 0; 272 273 if (dev->state & DEV_DISCONNECTED) 274 return 0; 275 276 if (urb->status < 0) { 277 print_err_status(dev, -1, urb->status); 278 if (urb->status == -ENOENT) 279 return 0; 280 } 281 282 for (i = 0; i < urb->number_of_packets; i++) { 283 int status = urb->iso_frame_desc[i].status; 284 285 if (status < 0) { 286 print_err_status(dev, i, status); 287 if (urb->iso_frame_desc[i].status != -EPROTO) 288 continue; 289 } 290 291 if (urb->iso_frame_desc[i].actual_length <= 0) { 292 /* cx231xx_isocdbg("packet %d is empty",i); - spammy */ 293 continue; 294 } 295 if (urb->iso_frame_desc[i].actual_length > 296 dev->video_mode.max_pkt_size) { 297 cx231xx_isocdbg("packet bigger than packet size"); 298 continue; 299 } 300 301 /* get buffer pointer and length */ 302 p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset; 303 buffer_size = urb->iso_frame_desc[i].actual_length; 304 bytes_parsed = 0; 305 306 if (dma_q->is_partial_line) { 307 /* Handle the case of a partial line */ 308 sav_eav = dma_q->last_sav; 309 } else { 310 /* Check for a SAV/EAV overlapping 311 the buffer boundary */ 312 sav_eav = 313 cx231xx_find_boundary_SAV_EAV(p_buffer, 314 dma_q->partial_buf, 315 &bytes_parsed); 316 } 317 318 sav_eav &= 0xF0; 319 /* Get the first line if we have some portion of an SAV/EAV from 320 the last buffer or a partial line */ 321 if (sav_eav) { 322 bytes_parsed += cx231xx_get_video_line(dev, dma_q, 323 sav_eav, /* SAV/EAV */ 324 p_buffer + bytes_parsed, /* p_buffer */ 325 buffer_size - bytes_parsed);/* buf size */ 326 } 327 328 /* Now parse data that is completely in this buffer */ 329 /* dma_q->is_partial_line = 0; */ 330 331 while (bytes_parsed < buffer_size) { 332 u32 bytes_used = 0; 333 334 sav_eav = cx231xx_find_next_SAV_EAV( 335 p_buffer + bytes_parsed, /* p_buffer */ 336 buffer_size - bytes_parsed, /* buf size */ 337 &bytes_used);/* bytes used to get SAV/EAV */ 338 339 bytes_parsed += bytes_used; 340 341 sav_eav &= 0xF0; 342 if (sav_eav && (bytes_parsed < buffer_size)) { 343 bytes_parsed += cx231xx_get_video_line(dev, 344 dma_q, sav_eav, /* SAV/EAV */ 345 p_buffer + bytes_parsed,/* p_buffer */ 346 buffer_size - bytes_parsed);/*buf size*/ 347 } 348 } 349 350 /* Save the last four bytes of the buffer so we can check the 351 buffer boundary condition next time */ 352 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); 353 bytes_parsed = 0; 354 355 } 356 return 1; 357 } 358 359 static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) 360 { 361 struct cx231xx_dmaqueue *dma_q = urb->context; 362 unsigned char *p_buffer; 363 u32 bytes_parsed = 0, buffer_size = 0; 364 u8 sav_eav = 0; 365 366 if (!dev) 367 return 0; 368 369 if (dev->state & DEV_DISCONNECTED) 370 return 0; 371 372 if (urb->status < 0) { 373 print_err_status(dev, -1, urb->status); 374 if (urb->status == -ENOENT) 375 return 0; 376 } 377 378 if (1) { 379 380 /* get buffer pointer and length */ 381 p_buffer = urb->transfer_buffer; 382 buffer_size = urb->actual_length; 383 bytes_parsed = 0; 384 385 if (dma_q->is_partial_line) { 386 /* Handle the case of a partial line */ 387 sav_eav = dma_q->last_sav; 388 } else { 389 /* Check for a SAV/EAV overlapping 390 the buffer boundary */ 391 sav_eav = 392 cx231xx_find_boundary_SAV_EAV(p_buffer, 393 dma_q->partial_buf, 394 &bytes_parsed); 395 } 396 397 sav_eav &= 0xF0; 398 /* Get the first line if we have some portion of an SAV/EAV from 399 the last buffer or a partial line */ 400 if (sav_eav) { 401 bytes_parsed += cx231xx_get_video_line(dev, dma_q, 402 sav_eav, /* SAV/EAV */ 403 p_buffer + bytes_parsed, /* p_buffer */ 404 buffer_size - bytes_parsed);/* buf size */ 405 } 406 407 /* Now parse data that is completely in this buffer */ 408 /* dma_q->is_partial_line = 0; */ 409 410 while (bytes_parsed < buffer_size) { 411 u32 bytes_used = 0; 412 413 sav_eav = cx231xx_find_next_SAV_EAV( 414 p_buffer + bytes_parsed, /* p_buffer */ 415 buffer_size - bytes_parsed, /* buf size */ 416 &bytes_used);/* bytes used to get SAV/EAV */ 417 418 bytes_parsed += bytes_used; 419 420 sav_eav &= 0xF0; 421 if (sav_eav && (bytes_parsed < buffer_size)) { 422 bytes_parsed += cx231xx_get_video_line(dev, 423 dma_q, sav_eav, /* SAV/EAV */ 424 p_buffer + bytes_parsed,/* p_buffer */ 425 buffer_size - bytes_parsed);/*buf size*/ 426 } 427 } 428 429 /* Save the last four bytes of the buffer so we can check the 430 buffer boundary condition next time */ 431 memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); 432 bytes_parsed = 0; 433 434 } 435 return 1; 436 } 437 438 439 u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, 440 u32 *p_bytes_used) 441 { 442 u32 bytes_used; 443 u8 boundary_bytes[8]; 444 u8 sav_eav = 0; 445 446 *p_bytes_used = 0; 447 448 /* Create an array of the last 4 bytes of the last buffer and the first 449 4 bytes of the current buffer. */ 450 451 memcpy(boundary_bytes, partial_buf, 4); 452 memcpy(boundary_bytes + 4, p_buffer, 4); 453 454 /* Check for the SAV/EAV in the boundary buffer */ 455 sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8, 456 &bytes_used); 457 458 if (sav_eav) { 459 /* found a boundary SAV/EAV. Updates the bytes used to reflect 460 only those used in the new buffer */ 461 *p_bytes_used = bytes_used - 4; 462 } 463 464 return sav_eav; 465 } 466 467 u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used) 468 { 469 u32 i; 470 u8 sav_eav = 0; 471 472 /* 473 * Don't search if the buffer size is less than 4. It causes a page 474 * fault since buffer_size - 4 evaluates to a large number in that 475 * case. 476 */ 477 if (buffer_size < 4) { 478 *p_bytes_used = buffer_size; 479 return 0; 480 } 481 482 for (i = 0; i < (buffer_size - 3); i++) { 483 484 if ((p_buffer[i] == 0xFF) && 485 (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) { 486 487 *p_bytes_used = i + 4; 488 sav_eav = p_buffer[i + 3]; 489 return sav_eav; 490 } 491 } 492 493 *p_bytes_used = buffer_size; 494 return 0; 495 } 496 497 u32 cx231xx_get_video_line(struct cx231xx *dev, 498 struct cx231xx_dmaqueue *dma_q, u8 sav_eav, 499 u8 *p_buffer, u32 buffer_size) 500 { 501 u32 bytes_copied = 0; 502 int current_field = -1; 503 504 switch (sav_eav) { 505 case SAV_ACTIVE_VIDEO_FIELD1: 506 /* looking for skipped line which occurred in PAL 720x480 mode. 507 In this case, there will be no active data contained 508 between the SAV and EAV */ 509 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && 510 (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && 511 ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || 512 (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || 513 (p_buffer[3] == EAV_VBLANK_FIELD1) || 514 (p_buffer[3] == EAV_VBLANK_FIELD2))) 515 return bytes_copied; 516 current_field = 1; 517 break; 518 519 case SAV_ACTIVE_VIDEO_FIELD2: 520 /* looking for skipped line which occurred in PAL 720x480 mode. 521 In this case, there will be no active data contained between 522 the SAV and EAV */ 523 if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && 524 (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && 525 ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || 526 (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || 527 (p_buffer[3] == EAV_VBLANK_FIELD1) || 528 (p_buffer[3] == EAV_VBLANK_FIELD2))) 529 return bytes_copied; 530 current_field = 2; 531 break; 532 } 533 534 dma_q->last_sav = sav_eav; 535 536 bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer, 537 buffer_size, current_field); 538 539 return bytes_copied; 540 } 541 542 u32 cx231xx_copy_video_line(struct cx231xx *dev, 543 struct cx231xx_dmaqueue *dma_q, u8 *p_line, 544 u32 length, int field_number) 545 { 546 u32 bytes_to_copy; 547 struct cx231xx_buffer *buf; 548 u32 _line_size = dev->width * 2; 549 550 if (dma_q->current_field != field_number) 551 cx231xx_reset_video_buffer(dev, dma_q); 552 553 /* get the buffer pointer */ 554 if (dev->USE_ISO) 555 buf = dev->video_mode.isoc_ctl.buf; 556 else 557 buf = dev->video_mode.bulk_ctl.buf; 558 559 /* Remember the field number for next time */ 560 dma_q->current_field = field_number; 561 562 bytes_to_copy = dma_q->bytes_left_in_line; 563 if (bytes_to_copy > length) 564 bytes_to_copy = length; 565 566 if (dma_q->lines_completed >= dma_q->lines_per_field) { 567 dma_q->bytes_left_in_line -= bytes_to_copy; 568 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ? 569 0 : 1; 570 return 0; 571 } 572 573 dma_q->is_partial_line = 1; 574 575 /* If we don't have a buffer, just return the number of bytes we would 576 have copied if we had a buffer. */ 577 if (!buf) { 578 dma_q->bytes_left_in_line -= bytes_to_copy; 579 dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) 580 ? 0 : 1; 581 return bytes_to_copy; 582 } 583 584 /* copy the data to video buffer */ 585 cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy); 586 587 dma_q->pos += bytes_to_copy; 588 dma_q->bytes_left_in_line -= bytes_to_copy; 589 590 if (dma_q->bytes_left_in_line == 0) { 591 dma_q->bytes_left_in_line = _line_size; 592 dma_q->lines_completed++; 593 dma_q->is_partial_line = 0; 594 595 if (cx231xx_is_buffer_done(dev, dma_q) && buf) { 596 buffer_filled(dev, dma_q, buf); 597 598 dma_q->pos = 0; 599 buf = NULL; 600 dma_q->lines_completed = 0; 601 } 602 } 603 604 return bytes_to_copy; 605 } 606 607 void cx231xx_reset_video_buffer(struct cx231xx *dev, 608 struct cx231xx_dmaqueue *dma_q) 609 { 610 struct cx231xx_buffer *buf; 611 612 /* handle the switch from field 1 to field 2 */ 613 if (dma_q->current_field == 1) { 614 if (dma_q->lines_completed >= dma_q->lines_per_field) 615 dma_q->field1_done = 1; 616 else 617 dma_q->field1_done = 0; 618 } 619 620 if (dev->USE_ISO) 621 buf = dev->video_mode.isoc_ctl.buf; 622 else 623 buf = dev->video_mode.bulk_ctl.buf; 624 625 if (buf == NULL) { 626 /* first try to get the buffer */ 627 get_next_buf(dma_q, &buf); 628 629 dma_q->pos = 0; 630 dma_q->field1_done = 0; 631 dma_q->current_field = -1; 632 } 633 634 /* reset the counters */ 635 dma_q->bytes_left_in_line = dev->width << 1; 636 dma_q->lines_completed = 0; 637 } 638 639 int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, 640 u8 *p_buffer, u32 bytes_to_copy) 641 { 642 u8 *p_out_buffer = NULL; 643 u32 current_line_bytes_copied = 0; 644 struct cx231xx_buffer *buf; 645 u32 _line_size = dev->width << 1; 646 void *startwrite; 647 int offset, lencopy; 648 649 if (dev->USE_ISO) 650 buf = dev->video_mode.isoc_ctl.buf; 651 else 652 buf = dev->video_mode.bulk_ctl.buf; 653 654 if (buf == NULL) 655 return -1; 656 657 p_out_buffer = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); 658 659 current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line; 660 661 /* Offset field 2 one line from the top of the buffer */ 662 offset = (dma_q->current_field == 1) ? 0 : _line_size; 663 664 /* Offset for field 2 */ 665 startwrite = p_out_buffer + offset; 666 667 /* lines already completed in the current field */ 668 startwrite += (dma_q->lines_completed * _line_size * 2); 669 670 /* bytes already completed in the current line */ 671 startwrite += current_line_bytes_copied; 672 673 lencopy = dma_q->bytes_left_in_line > bytes_to_copy ? 674 bytes_to_copy : dma_q->bytes_left_in_line; 675 676 if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + dev->size)) 677 return 0; 678 679 /* The below copies the UYVY data straight into video buffer */ 680 cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy); 681 682 return 0; 683 } 684 685 void cx231xx_swab(u16 *from, u16 *to, u16 len) 686 { 687 u16 i; 688 689 if (len <= 0) 690 return; 691 692 for (i = 0; i < len / 2; i++) 693 to[i] = (from[i] << 8) | (from[i] >> 8); 694 } 695 696 u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q) 697 { 698 u8 buffer_complete = 0; 699 700 /* Dual field stream */ 701 buffer_complete = ((dma_q->current_field == 2) && 702 (dma_q->lines_completed >= dma_q->lines_per_field) && 703 dma_q->field1_done); 704 705 return buffer_complete; 706 } 707 708 /* ------------------------------------------------------------------ 709 Videobuf operations 710 ------------------------------------------------------------------*/ 711 712 static int queue_setup(struct vb2_queue *vq, 713 unsigned int *nbuffers, unsigned int *nplanes, 714 unsigned int sizes[], struct device *alloc_devs[]) 715 { 716 struct cx231xx *dev = vb2_get_drv_priv(vq); 717 unsigned int q_num_bufs = vb2_get_num_buffers(vq); 718 719 dev->size = (dev->width * dev->height * dev->format->depth + 7) >> 3; 720 721 if (q_num_bufs + *nbuffers < CX231XX_MIN_BUF) 722 *nbuffers = CX231XX_MIN_BUF - q_num_bufs; 723 724 if (*nplanes) 725 return sizes[0] < dev->size ? -EINVAL : 0; 726 *nplanes = 1; 727 sizes[0] = dev->size; 728 729 return 0; 730 } 731 732 static void buffer_queue(struct vb2_buffer *vb) 733 { 734 struct cx231xx_buffer *buf = 735 container_of(vb, struct cx231xx_buffer, vb.vb2_buf); 736 struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue); 737 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; 738 unsigned long flags; 739 740 spin_lock_irqsave(&dev->video_mode.slock, flags); 741 list_add_tail(&buf->list, &vidq->active); 742 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 743 } 744 745 static void return_all_buffers(struct cx231xx *dev, 746 enum vb2_buffer_state state) 747 { 748 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; 749 struct cx231xx_buffer *buf, *node; 750 unsigned long flags; 751 752 spin_lock_irqsave(&dev->video_mode.slock, flags); 753 if (dev->USE_ISO) 754 dev->video_mode.isoc_ctl.buf = NULL; 755 else 756 dev->video_mode.bulk_ctl.buf = NULL; 757 list_for_each_entry_safe(buf, node, &vidq->active, list) { 758 list_del(&buf->list); 759 vb2_buffer_done(&buf->vb.vb2_buf, state); 760 } 761 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 762 } 763 764 static int start_streaming(struct vb2_queue *vq, unsigned int count) 765 { 766 struct cx231xx *dev = vb2_get_drv_priv(vq); 767 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; 768 int ret = 0; 769 770 vidq->sequence = 0; 771 dev->mode_tv = 0; 772 773 cx231xx_enable_analog_tuner(dev); 774 if (dev->USE_ISO) 775 ret = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, 776 CX231XX_NUM_BUFS, 777 dev->video_mode.max_pkt_size, 778 cx231xx_isoc_copy); 779 else 780 ret = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS, 781 CX231XX_NUM_BUFS, 782 dev->video_mode.max_pkt_size, 783 cx231xx_bulk_copy); 784 if (ret) 785 return_all_buffers(dev, VB2_BUF_STATE_QUEUED); 786 call_all(dev, video, s_stream, 1); 787 return ret; 788 } 789 790 static void stop_streaming(struct vb2_queue *vq) 791 { 792 struct cx231xx *dev = vb2_get_drv_priv(vq); 793 794 call_all(dev, video, s_stream, 0); 795 return_all_buffers(dev, VB2_BUF_STATE_ERROR); 796 } 797 798 static struct vb2_ops cx231xx_video_qops = { 799 .queue_setup = queue_setup, 800 .buf_queue = buffer_queue, 801 .start_streaming = start_streaming, 802 .stop_streaming = stop_streaming, 803 .wait_prepare = vb2_ops_wait_prepare, 804 .wait_finish = vb2_ops_wait_finish, 805 }; 806 807 /********************* v4l2 interface **************************************/ 808 809 void video_mux(struct cx231xx *dev, int index) 810 { 811 dev->video_input = index; 812 dev->ctl_ainput = INPUT(index)->amux; 813 814 cx231xx_set_video_input_mux(dev, index); 815 816 cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0); 817 818 cx231xx_set_audio_input(dev, dev->ctl_ainput); 819 820 dev_dbg(dev->dev, "video_mux : %d\n", index); 821 822 /* do mode control overrides if required */ 823 cx231xx_do_mode_ctrl_overrides(dev); 824 } 825 826 /* ------------------------------------------------------------------ 827 IOCTL vidioc handling 828 ------------------------------------------------------------------*/ 829 830 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 831 struct v4l2_format *f) 832 { 833 struct cx231xx *dev = video_drvdata(file); 834 835 f->fmt.pix.width = dev->width; 836 f->fmt.pix.height = dev->height; 837 f->fmt.pix.pixelformat = dev->format->fourcc; 838 f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; 839 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; 840 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 841 842 f->fmt.pix.field = V4L2_FIELD_INTERLACED; 843 844 return 0; 845 } 846 847 static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc) 848 { 849 unsigned int i; 850 851 for (i = 0; i < ARRAY_SIZE(format); i++) 852 if (format[i].fourcc == fourcc) 853 return &format[i]; 854 855 return NULL; 856 } 857 858 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 859 struct v4l2_format *f) 860 { 861 struct cx231xx *dev = video_drvdata(file); 862 unsigned int width = f->fmt.pix.width; 863 unsigned int height = f->fmt.pix.height; 864 unsigned int maxw = norm_maxw(dev); 865 unsigned int maxh = norm_maxh(dev); 866 struct cx231xx_fmt *fmt; 867 868 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 869 if (!fmt) { 870 cx231xx_videodbg("Fourcc format (%08x) invalid.\n", 871 f->fmt.pix.pixelformat); 872 return -EINVAL; 873 } 874 875 /* width must even because of the YUYV format 876 height must be even because of interlacing */ 877 v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0); 878 879 f->fmt.pix.width = width; 880 f->fmt.pix.height = height; 881 f->fmt.pix.pixelformat = fmt->fourcc; 882 f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; 883 f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 884 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 885 f->fmt.pix.field = V4L2_FIELD_INTERLACED; 886 887 return 0; 888 } 889 890 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 891 struct v4l2_format *f) 892 { 893 struct cx231xx *dev = video_drvdata(file); 894 struct v4l2_subdev_format format = { 895 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 896 }; 897 int rc; 898 899 rc = vidioc_try_fmt_vid_cap(file, priv, f); 900 if (rc) 901 return rc; 902 903 if (vb2_is_busy(&dev->vidq)) { 904 dev_err(dev->dev, "%s: queue busy\n", __func__); 905 return -EBUSY; 906 } 907 908 /* set new image size */ 909 dev->width = f->fmt.pix.width; 910 dev->height = f->fmt.pix.height; 911 dev->format = format_by_fourcc(f->fmt.pix.pixelformat); 912 913 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); 914 call_all(dev, pad, set_fmt, NULL, &format); 915 v4l2_fill_pix_format(&f->fmt.pix, &format.format); 916 917 return rc; 918 } 919 920 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 921 { 922 struct cx231xx *dev = video_drvdata(file); 923 924 *id = dev->norm; 925 return 0; 926 } 927 928 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) 929 { 930 struct cx231xx *dev = video_drvdata(file); 931 struct v4l2_subdev_format format = { 932 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 933 }; 934 935 if (dev->norm == norm) 936 return 0; 937 938 if (vb2_is_busy(&dev->vidq)) 939 return -EBUSY; 940 941 dev->norm = norm; 942 943 /* Adjusts width/height, if needed */ 944 dev->width = 720; 945 dev->height = (dev->norm & V4L2_STD_625_50) ? 576 : 480; 946 947 call_all(dev, video, s_std, dev->norm); 948 949 /* We need to reset basic properties in the decoder related to 950 resolution (since a standard change effects things like the number 951 of lines in VACT, etc) */ 952 format.format.code = MEDIA_BUS_FMT_FIXED; 953 format.format.width = dev->width; 954 format.format.height = dev->height; 955 call_all(dev, pad, set_fmt, NULL, &format); 956 957 /* do mode control overrides */ 958 cx231xx_do_mode_ctrl_overrides(dev); 959 960 return 0; 961 } 962 963 static const char *iname[] = { 964 [CX231XX_VMUX_COMPOSITE1] = "Composite1", 965 [CX231XX_VMUX_SVIDEO] = "S-Video", 966 [CX231XX_VMUX_TELEVISION] = "Television", 967 [CX231XX_VMUX_CABLE] = "Cable TV", 968 [CX231XX_VMUX_DVB] = "DVB", 969 }; 970 971 void cx231xx_v4l2_create_entities(struct cx231xx *dev) 972 { 973 #if defined(CONFIG_MEDIA_CONTROLLER) 974 int ret, i; 975 976 /* Create entities for each input connector */ 977 for (i = 0; i < MAX_CX231XX_INPUT; i++) { 978 struct media_entity *ent = &dev->input_ent[i]; 979 980 if (!INPUT(i)->type) 981 break; 982 983 ent->name = iname[INPUT(i)->type]; 984 ent->flags = MEDIA_ENT_FL_CONNECTOR; 985 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 986 987 switch (INPUT(i)->type) { 988 case CX231XX_VMUX_COMPOSITE1: 989 ent->function = MEDIA_ENT_F_CONN_COMPOSITE; 990 break; 991 case CX231XX_VMUX_SVIDEO: 992 ent->function = MEDIA_ENT_F_CONN_SVIDEO; 993 break; 994 case CX231XX_VMUX_TELEVISION: 995 case CX231XX_VMUX_CABLE: 996 case CX231XX_VMUX_DVB: 997 /* The DVB core will handle it */ 998 if (dev->tuner_type == TUNER_ABSENT) 999 continue; 1000 fallthrough; 1001 default: /* just to shut up a gcc warning */ 1002 ent->function = MEDIA_ENT_F_CONN_RF; 1003 break; 1004 } 1005 1006 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 1007 if (ret < 0) 1008 pr_err("failed to initialize input pad[%d]!\n", i); 1009 1010 ret = media_device_register_entity(dev->media_dev, ent); 1011 if (ret < 0) 1012 pr_err("failed to register input entity %d!\n", i); 1013 } 1014 #endif 1015 } 1016 1017 int cx231xx_enum_input(struct file *file, void *priv, 1018 struct v4l2_input *i) 1019 { 1020 struct cx231xx *dev = video_drvdata(file); 1021 u32 gen_stat; 1022 unsigned int n; 1023 int ret; 1024 1025 n = i->index; 1026 if (n >= MAX_CX231XX_INPUT) 1027 return -EINVAL; 1028 if (0 == INPUT(n)->type) 1029 return -EINVAL; 1030 1031 i->index = n; 1032 i->type = V4L2_INPUT_TYPE_CAMERA; 1033 1034 strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name)); 1035 1036 if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) || 1037 (CX231XX_VMUX_CABLE == INPUT(n)->type)) 1038 i->type = V4L2_INPUT_TYPE_TUNER; 1039 1040 i->std = dev->vdev.tvnorms; 1041 1042 /* If they are asking about the active input, read signal status */ 1043 if (n == dev->video_input) { 1044 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, 1045 GEN_STAT, 2, &gen_stat, 4); 1046 if (ret > 0) { 1047 if ((gen_stat & FLD_VPRES) == 0x00) 1048 i->status |= V4L2_IN_ST_NO_SIGNAL; 1049 if ((gen_stat & FLD_HLOCK) == 0x00) 1050 i->status |= V4L2_IN_ST_NO_H_LOCK; 1051 } 1052 } 1053 1054 return 0; 1055 } 1056 1057 int cx231xx_g_input(struct file *file, void *priv, unsigned int *i) 1058 { 1059 struct cx231xx *dev = video_drvdata(file); 1060 1061 *i = dev->video_input; 1062 1063 return 0; 1064 } 1065 1066 int cx231xx_s_input(struct file *file, void *priv, unsigned int i) 1067 { 1068 struct cx231xx *dev = video_drvdata(file); 1069 1070 dev->mode_tv = 0; 1071 1072 if (i >= MAX_CX231XX_INPUT) 1073 return -EINVAL; 1074 if (0 == INPUT(i)->type) 1075 return -EINVAL; 1076 1077 video_mux(dev, i); 1078 1079 if (INPUT(i)->type == CX231XX_VMUX_TELEVISION || 1080 INPUT(i)->type == CX231XX_VMUX_CABLE) { 1081 /* There's a tuner, so reset the standard and put it on the 1082 last known frequency (since it was probably powered down 1083 until now */ 1084 call_all(dev, video, s_std, dev->norm); 1085 } 1086 1087 return 0; 1088 } 1089 1090 int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) 1091 { 1092 struct cx231xx *dev = video_drvdata(file); 1093 1094 if (0 != t->index) 1095 return -EINVAL; 1096 1097 strscpy(t->name, "Tuner", sizeof(t->name)); 1098 1099 t->type = V4L2_TUNER_ANALOG_TV; 1100 t->capability = V4L2_TUNER_CAP_NORM; 1101 t->rangehigh = 0xffffffffUL; 1102 t->signal = 0xffff; /* LOCKED */ 1103 call_all(dev, tuner, g_tuner, t); 1104 1105 return 0; 1106 } 1107 1108 int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) 1109 { 1110 if (0 != t->index) 1111 return -EINVAL; 1112 return 0; 1113 } 1114 1115 int cx231xx_g_frequency(struct file *file, void *priv, 1116 struct v4l2_frequency *f) 1117 { 1118 struct cx231xx *dev = video_drvdata(file); 1119 1120 if (f->tuner) 1121 return -EINVAL; 1122 1123 f->frequency = dev->ctl_freq; 1124 1125 return 0; 1126 } 1127 1128 int cx231xx_s_frequency(struct file *file, void *priv, 1129 const struct v4l2_frequency *f) 1130 { 1131 struct cx231xx *dev = video_drvdata(file); 1132 struct v4l2_frequency new_freq = *f; 1133 int rc, need_if_freq = 0; 1134 u32 if_frequency = 5400000; 1135 1136 dev_dbg(dev->dev, 1137 "Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n", 1138 f->frequency, f->type); 1139 1140 if (0 != f->tuner) 1141 return -EINVAL; 1142 1143 /* set pre channel change settings in DIF first */ 1144 rc = cx231xx_tuner_pre_channel_change(dev); 1145 1146 switch (dev->model) { /* i2c device tuners */ 1147 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: 1148 case CX231XX_BOARD_HAUPPAUGE_935C: 1149 case CX231XX_BOARD_HAUPPAUGE_955Q: 1150 case CX231XX_BOARD_HAUPPAUGE_975: 1151 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: 1152 if (dev->cx231xx_set_analog_freq) 1153 dev->cx231xx_set_analog_freq(dev, f->frequency); 1154 dev->ctl_freq = f->frequency; 1155 need_if_freq = 1; 1156 break; 1157 default: 1158 call_all(dev, tuner, s_frequency, f); 1159 call_all(dev, tuner, g_frequency, &new_freq); 1160 dev->ctl_freq = new_freq.frequency; 1161 break; 1162 } 1163 1164 pr_debug("%s() %u : %u\n", __func__, f->frequency, dev->ctl_freq); 1165 1166 /* set post channel change settings in DIF first */ 1167 rc = cx231xx_tuner_post_channel_change(dev); 1168 1169 if (need_if_freq || dev->tuner_type == TUNER_NXP_TDA18271) { 1170 if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443)) 1171 if_frequency = 5400000; /*5.4MHz */ 1172 else if (dev->norm & V4L2_STD_B) 1173 if_frequency = 6000000; /*6.0MHz */ 1174 else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK)) 1175 if_frequency = 6900000; /*6.9MHz */ 1176 else if (dev->norm & V4L2_STD_GH) 1177 if_frequency = 7100000; /*7.1MHz */ 1178 else if (dev->norm & V4L2_STD_PAL_I) 1179 if_frequency = 7250000; /*7.25MHz */ 1180 else if (dev->norm & V4L2_STD_SECAM_L) 1181 if_frequency = 6900000; /*6.9MHz */ 1182 else if (dev->norm & V4L2_STD_SECAM_LC) 1183 if_frequency = 1250000; /*1.25MHz */ 1184 1185 dev_dbg(dev->dev, 1186 "if_frequency is set to %d\n", if_frequency); 1187 cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1); 1188 1189 update_HH_register_after_set_DIF(dev); 1190 } 1191 1192 dev_dbg(dev->dev, "Set New FREQUENCY to %d\n", f->frequency); 1193 1194 return rc; 1195 } 1196 1197 #ifdef CONFIG_VIDEO_ADV_DEBUG 1198 1199 int cx231xx_g_chip_info(struct file *file, void *fh, 1200 struct v4l2_dbg_chip_info *chip) 1201 { 1202 switch (chip->match.addr) { 1203 case 0: /* Cx231xx - internal registers */ 1204 return 0; 1205 case 1: /* AFE - read byte */ 1206 strscpy(chip->name, "AFE (byte)", sizeof(chip->name)); 1207 return 0; 1208 case 2: /* Video Block - read byte */ 1209 strscpy(chip->name, "Video (byte)", sizeof(chip->name)); 1210 return 0; 1211 case 3: /* I2S block - read byte */ 1212 strscpy(chip->name, "I2S (byte)", sizeof(chip->name)); 1213 return 0; 1214 case 4: /* AFE - read dword */ 1215 strscpy(chip->name, "AFE (dword)", sizeof(chip->name)); 1216 return 0; 1217 case 5: /* Video Block - read dword */ 1218 strscpy(chip->name, "Video (dword)", sizeof(chip->name)); 1219 return 0; 1220 case 6: /* I2S Block - read dword */ 1221 strscpy(chip->name, "I2S (dword)", sizeof(chip->name)); 1222 return 0; 1223 } 1224 return -EINVAL; 1225 } 1226 1227 int cx231xx_g_register(struct file *file, void *priv, 1228 struct v4l2_dbg_register *reg) 1229 { 1230 struct cx231xx *dev = video_drvdata(file); 1231 int ret; 1232 u8 value[4] = { 0, 0, 0, 0 }; 1233 u32 data = 0; 1234 1235 switch (reg->match.addr) { 1236 case 0: /* Cx231xx - internal registers */ 1237 ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, 1238 (u16)reg->reg, value, 4); 1239 reg->val = value[0] | value[1] << 8 | 1240 value[2] << 16 | (u32)value[3] << 24; 1241 reg->size = 4; 1242 break; 1243 case 1: /* AFE - read byte */ 1244 ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, 1245 (u16)reg->reg, 2, &data, 1); 1246 reg->val = data; 1247 reg->size = 1; 1248 break; 1249 case 2: /* Video Block - read byte */ 1250 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, 1251 (u16)reg->reg, 2, &data, 1); 1252 reg->val = data; 1253 reg->size = 1; 1254 break; 1255 case 3: /* I2S block - read byte */ 1256 ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, 1257 (u16)reg->reg, 1, &data, 1); 1258 reg->val = data; 1259 reg->size = 1; 1260 break; 1261 case 4: /* AFE - read dword */ 1262 ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, 1263 (u16)reg->reg, 2, &data, 4); 1264 reg->val = data; 1265 reg->size = 4; 1266 break; 1267 case 5: /* Video Block - read dword */ 1268 ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, 1269 (u16)reg->reg, 2, &data, 4); 1270 reg->val = data; 1271 reg->size = 4; 1272 break; 1273 case 6: /* I2S Block - read dword */ 1274 ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, 1275 (u16)reg->reg, 1, &data, 4); 1276 reg->val = data; 1277 reg->size = 4; 1278 break; 1279 default: 1280 return -EINVAL; 1281 } 1282 return ret < 0 ? ret : 0; 1283 } 1284 1285 int cx231xx_s_register(struct file *file, void *priv, 1286 const struct v4l2_dbg_register *reg) 1287 { 1288 struct cx231xx *dev = video_drvdata(file); 1289 int ret; 1290 u8 data[4] = { 0, 0, 0, 0 }; 1291 1292 switch (reg->match.addr) { 1293 case 0: /* cx231xx internal registers */ 1294 data[0] = (u8) reg->val; 1295 data[1] = (u8) (reg->val >> 8); 1296 data[2] = (u8) (reg->val >> 16); 1297 data[3] = (u8) (reg->val >> 24); 1298 ret = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, 1299 (u16)reg->reg, data, 4); 1300 break; 1301 case 1: /* AFE - write byte */ 1302 ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS, 1303 (u16)reg->reg, 2, reg->val, 1); 1304 break; 1305 case 2: /* Video Block - write byte */ 1306 ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS, 1307 (u16)reg->reg, 2, reg->val, 1); 1308 break; 1309 case 3: /* I2S block - write byte */ 1310 ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, 1311 (u16)reg->reg, 1, reg->val, 1); 1312 break; 1313 case 4: /* AFE - write dword */ 1314 ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS, 1315 (u16)reg->reg, 2, reg->val, 4); 1316 break; 1317 case 5: /* Video Block - write dword */ 1318 ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS, 1319 (u16)reg->reg, 2, reg->val, 4); 1320 break; 1321 case 6: /* I2S block - write dword */ 1322 ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, 1323 (u16)reg->reg, 1, reg->val, 4); 1324 break; 1325 default: 1326 return -EINVAL; 1327 } 1328 return ret < 0 ? ret : 0; 1329 } 1330 #endif 1331 1332 static int vidioc_g_pixelaspect(struct file *file, void *priv, 1333 int type, struct v4l2_fract *f) 1334 { 1335 struct cx231xx *dev = video_drvdata(file); 1336 bool is_50hz = dev->norm & V4L2_STD_625_50; 1337 1338 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1339 return -EINVAL; 1340 1341 f->numerator = is_50hz ? 54 : 11; 1342 f->denominator = is_50hz ? 59 : 10; 1343 1344 return 0; 1345 } 1346 1347 static int vidioc_g_selection(struct file *file, void *priv, 1348 struct v4l2_selection *s) 1349 { 1350 struct cx231xx *dev = video_drvdata(file); 1351 1352 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1353 return -EINVAL; 1354 1355 switch (s->target) { 1356 case V4L2_SEL_TGT_CROP_BOUNDS: 1357 case V4L2_SEL_TGT_CROP_DEFAULT: 1358 s->r.left = 0; 1359 s->r.top = 0; 1360 s->r.width = dev->width; 1361 s->r.height = dev->height; 1362 break; 1363 default: 1364 return -EINVAL; 1365 } 1366 return 0; 1367 } 1368 1369 int cx231xx_querycap(struct file *file, void *priv, 1370 struct v4l2_capability *cap) 1371 { 1372 struct cx231xx *dev = video_drvdata(file); 1373 1374 strscpy(cap->driver, "cx231xx", sizeof(cap->driver)); 1375 strscpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); 1376 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 1377 cap->capabilities = V4L2_CAP_READWRITE | 1378 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE | 1379 V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS; 1380 if (video_is_registered(&dev->radio_dev)) 1381 cap->capabilities |= V4L2_CAP_RADIO; 1382 1383 switch (dev->model) { 1384 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: 1385 case CX231XX_BOARD_HAUPPAUGE_935C: 1386 case CX231XX_BOARD_HAUPPAUGE_955Q: 1387 case CX231XX_BOARD_HAUPPAUGE_975: 1388 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: 1389 cap->capabilities |= V4L2_CAP_TUNER; 1390 break; 1391 default: 1392 if (dev->tuner_type != TUNER_ABSENT) 1393 cap->capabilities |= V4L2_CAP_TUNER; 1394 break; 1395 } 1396 return 0; 1397 } 1398 1399 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1400 struct v4l2_fmtdesc *f) 1401 { 1402 if (unlikely(f->index >= ARRAY_SIZE(format))) 1403 return -EINVAL; 1404 1405 f->pixelformat = format[f->index].fourcc; 1406 1407 return 0; 1408 } 1409 1410 /* RAW VBI ioctls */ 1411 1412 static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 1413 struct v4l2_format *f) 1414 { 1415 struct cx231xx *dev = video_drvdata(file); 1416 1417 f->fmt.vbi.sampling_rate = 6750000 * 4; 1418 f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; 1419 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1420 f->fmt.vbi.offset = 0; 1421 f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? 1422 PAL_VBI_START_LINE : NTSC_VBI_START_LINE; 1423 f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? 1424 PAL_VBI_LINES : NTSC_VBI_LINES; 1425 f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? 1426 PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; 1427 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1428 memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1429 1430 return 0; 1431 1432 } 1433 1434 static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv, 1435 struct v4l2_format *f) 1436 { 1437 struct cx231xx *dev = video_drvdata(file); 1438 1439 f->fmt.vbi.sampling_rate = 6750000 * 4; 1440 f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; 1441 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 1442 f->fmt.vbi.offset = 0; 1443 f->fmt.vbi.flags = 0; 1444 f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? 1445 PAL_VBI_START_LINE : NTSC_VBI_START_LINE; 1446 f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? 1447 PAL_VBI_LINES : NTSC_VBI_LINES; 1448 f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? 1449 PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; 1450 f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; 1451 memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); 1452 1453 return 0; 1454 1455 } 1456 1457 static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, 1458 struct v4l2_format *f) 1459 { 1460 return vidioc_try_fmt_vbi_cap(file, priv, f); 1461 } 1462 1463 /* ----------------------------------------------------------- */ 1464 /* RADIO ESPECIFIC IOCTLS */ 1465 /* ----------------------------------------------------------- */ 1466 1467 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) 1468 { 1469 struct cx231xx *dev = video_drvdata(file); 1470 1471 if (t->index) 1472 return -EINVAL; 1473 1474 strscpy(t->name, "Radio", sizeof(t->name)); 1475 1476 call_all(dev, tuner, g_tuner, t); 1477 1478 return 0; 1479 } 1480 static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) 1481 { 1482 struct cx231xx *dev = video_drvdata(file); 1483 1484 if (t->index) 1485 return -EINVAL; 1486 1487 call_all(dev, tuner, s_tuner, t); 1488 1489 return 0; 1490 } 1491 1492 /* 1493 * cx231xx_v4l2_open() 1494 * inits the device and starts isoc transfer 1495 */ 1496 static int cx231xx_v4l2_open(struct file *filp) 1497 { 1498 struct video_device *vdev = video_devdata(filp); 1499 struct cx231xx *dev = video_drvdata(filp); 1500 int ret; 1501 1502 if (mutex_lock_interruptible(&dev->lock)) 1503 return -ERESTARTSYS; 1504 1505 ret = v4l2_fh_open(filp); 1506 if (ret) { 1507 mutex_unlock(&dev->lock); 1508 return ret; 1509 } 1510 1511 if (dev->users++ == 0) { 1512 /* Power up in Analog TV mode */ 1513 if (dev->board.external_av) 1514 cx231xx_set_power_mode(dev, 1515 POLARIS_AVMODE_ENXTERNAL_AV); 1516 else 1517 cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV); 1518 1519 /* set video alternate setting */ 1520 cx231xx_set_video_alternate(dev); 1521 1522 /* Needed, since GPIO might have disabled power of 1523 some i2c device */ 1524 cx231xx_config_i2c(dev); 1525 1526 /* device needs to be initialized before isoc transfer */ 1527 dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; 1528 } 1529 1530 if (vdev->vfl_type == VFL_TYPE_RADIO) { 1531 cx231xx_videodbg("video_open: setting radio device\n"); 1532 1533 /* cx231xx_start_radio(dev); */ 1534 1535 call_all(dev, tuner, s_radio); 1536 } 1537 if (vdev->vfl_type == VFL_TYPE_VBI) { 1538 /* Set the required alternate setting VBI interface works in 1539 Bulk mode only */ 1540 cx231xx_set_alt_setting(dev, INDEX_VANC, 0); 1541 } 1542 mutex_unlock(&dev->lock); 1543 return 0; 1544 } 1545 1546 /* 1547 * cx231xx_realease_resources() 1548 * unregisters the v4l2,i2c and usb devices 1549 * called when the device gets disconnected or at module unload 1550 */ 1551 void cx231xx_release_analog_resources(struct cx231xx *dev) 1552 { 1553 1554 /*FIXME: I2C IR should be disconnected */ 1555 1556 if (video_is_registered(&dev->radio_dev)) 1557 video_unregister_device(&dev->radio_dev); 1558 if (video_is_registered(&dev->vbi_dev)) { 1559 dev_info(dev->dev, "V4L2 device %s deregistered\n", 1560 video_device_node_name(&dev->vbi_dev)); 1561 video_unregister_device(&dev->vbi_dev); 1562 } 1563 if (video_is_registered(&dev->vdev)) { 1564 dev_info(dev->dev, "V4L2 device %s deregistered\n", 1565 video_device_node_name(&dev->vdev)); 1566 1567 if (dev->board.has_417) 1568 cx231xx_417_unregister(dev); 1569 1570 video_unregister_device(&dev->vdev); 1571 } 1572 v4l2_ctrl_handler_free(&dev->ctrl_handler); 1573 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); 1574 } 1575 1576 /* 1577 * cx231xx_close() 1578 * stops streaming and deallocates all resources allocated by the v4l2 1579 * calls and ioctls 1580 */ 1581 static int cx231xx_close(struct file *filp) 1582 { 1583 struct cx231xx *dev = video_drvdata(filp); 1584 struct video_device *vdev = video_devdata(filp); 1585 1586 _vb2_fop_release(filp, NULL); 1587 1588 if (--dev->users == 0) { 1589 /* Save some power by putting tuner to sleep */ 1590 call_all(dev, tuner, standby); 1591 1592 /* do this before setting alternate! */ 1593 if (dev->USE_ISO) 1594 cx231xx_uninit_isoc(dev); 1595 else 1596 cx231xx_uninit_bulk(dev); 1597 cx231xx_set_mode(dev, CX231XX_SUSPEND); 1598 } 1599 1600 /* 1601 * To workaround error number=-71 on EP0 for VideoGrabber, 1602 * need exclude following. 1603 * FIXME: It is probably safe to remove most of these, as we're 1604 * now avoiding the alternate setting for INDEX_VANC 1605 */ 1606 if (!dev->board.no_alt_vanc && vdev->vfl_type == VFL_TYPE_VBI) { 1607 /* do this before setting alternate! */ 1608 cx231xx_uninit_vbi_isoc(dev); 1609 1610 /* set alternate 0 */ 1611 if (!dev->vbi_or_sliced_cc_mode) 1612 cx231xx_set_alt_setting(dev, INDEX_VANC, 0); 1613 else 1614 cx231xx_set_alt_setting(dev, INDEX_HANC, 0); 1615 1616 wake_up_interruptible_nr(&dev->open, 1); 1617 return 0; 1618 } 1619 1620 if (dev->users == 0) { 1621 /* set alternate 0 */ 1622 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); 1623 } 1624 1625 wake_up_interruptible(&dev->open); 1626 return 0; 1627 } 1628 1629 static int cx231xx_v4l2_close(struct file *filp) 1630 { 1631 struct cx231xx *dev = video_drvdata(filp); 1632 int rc; 1633 1634 mutex_lock(&dev->lock); 1635 rc = cx231xx_close(filp); 1636 mutex_unlock(&dev->lock); 1637 return rc; 1638 } 1639 1640 static const struct v4l2_file_operations cx231xx_v4l_fops = { 1641 .owner = THIS_MODULE, 1642 .open = cx231xx_v4l2_open, 1643 .release = cx231xx_v4l2_close, 1644 .read = vb2_fop_read, 1645 .poll = vb2_fop_poll, 1646 .mmap = vb2_fop_mmap, 1647 .unlocked_ioctl = video_ioctl2, 1648 }; 1649 1650 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1651 .vidioc_querycap = cx231xx_querycap, 1652 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1653 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1654 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1655 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1656 .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 1657 .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, 1658 .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, 1659 .vidioc_g_pixelaspect = vidioc_g_pixelaspect, 1660 .vidioc_g_selection = vidioc_g_selection, 1661 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1662 .vidioc_querybuf = vb2_ioctl_querybuf, 1663 .vidioc_qbuf = vb2_ioctl_qbuf, 1664 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1665 .vidioc_s_std = vidioc_s_std, 1666 .vidioc_g_std = vidioc_g_std, 1667 .vidioc_enum_input = cx231xx_enum_input, 1668 .vidioc_g_input = cx231xx_g_input, 1669 .vidioc_s_input = cx231xx_s_input, 1670 .vidioc_streamon = vb2_ioctl_streamon, 1671 .vidioc_streamoff = vb2_ioctl_streamoff, 1672 .vidioc_g_tuner = cx231xx_g_tuner, 1673 .vidioc_s_tuner = cx231xx_s_tuner, 1674 .vidioc_g_frequency = cx231xx_g_frequency, 1675 .vidioc_s_frequency = cx231xx_s_frequency, 1676 #ifdef CONFIG_VIDEO_ADV_DEBUG 1677 .vidioc_g_chip_info = cx231xx_g_chip_info, 1678 .vidioc_g_register = cx231xx_g_register, 1679 .vidioc_s_register = cx231xx_s_register, 1680 #endif 1681 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1682 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1683 }; 1684 1685 static struct video_device cx231xx_vbi_template; 1686 1687 static const struct video_device cx231xx_video_template = { 1688 .fops = &cx231xx_v4l_fops, 1689 .release = video_device_release_empty, 1690 .ioctl_ops = &video_ioctl_ops, 1691 .tvnorms = V4L2_STD_ALL, 1692 }; 1693 1694 static const struct v4l2_file_operations radio_fops = { 1695 .owner = THIS_MODULE, 1696 .open = cx231xx_v4l2_open, 1697 .release = cx231xx_v4l2_close, 1698 .poll = v4l2_ctrl_poll, 1699 .unlocked_ioctl = video_ioctl2, 1700 }; 1701 1702 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 1703 .vidioc_querycap = cx231xx_querycap, 1704 .vidioc_g_tuner = radio_g_tuner, 1705 .vidioc_s_tuner = radio_s_tuner, 1706 .vidioc_g_frequency = cx231xx_g_frequency, 1707 .vidioc_s_frequency = cx231xx_s_frequency, 1708 #ifdef CONFIG_VIDEO_ADV_DEBUG 1709 .vidioc_g_chip_info = cx231xx_g_chip_info, 1710 .vidioc_g_register = cx231xx_g_register, 1711 .vidioc_s_register = cx231xx_s_register, 1712 #endif 1713 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1714 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1715 }; 1716 1717 static struct video_device cx231xx_radio_template = { 1718 .name = "cx231xx-radio", 1719 .fops = &radio_fops, 1720 .ioctl_ops = &radio_ioctl_ops, 1721 }; 1722 1723 /******************************** usb interface ******************************/ 1724 1725 static void cx231xx_vdev_init(struct cx231xx *dev, 1726 struct video_device *vfd, 1727 const struct video_device *template, 1728 const char *type_name) 1729 { 1730 *vfd = *template; 1731 vfd->v4l2_dev = &dev->v4l2_dev; 1732 vfd->release = video_device_release_empty; 1733 vfd->lock = &dev->lock; 1734 1735 snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); 1736 1737 video_set_drvdata(vfd, dev); 1738 if (dev->tuner_type == TUNER_ABSENT) { 1739 switch (dev->model) { 1740 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: 1741 case CX231XX_BOARD_HAUPPAUGE_935C: 1742 case CX231XX_BOARD_HAUPPAUGE_955Q: 1743 case CX231XX_BOARD_HAUPPAUGE_975: 1744 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: 1745 break; 1746 default: 1747 v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY); 1748 v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY); 1749 v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER); 1750 v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER); 1751 break; 1752 } 1753 } 1754 } 1755 1756 int cx231xx_register_analog_devices(struct cx231xx *dev) 1757 { 1758 struct vb2_queue *q; 1759 int ret; 1760 1761 dev_info(dev->dev, "v4l2 driver version %s\n", CX231XX_VERSION); 1762 1763 /* set default norm */ 1764 dev->norm = V4L2_STD_PAL; 1765 dev->width = norm_maxw(dev); 1766 dev->height = norm_maxh(dev); 1767 dev->interlaced = 0; 1768 1769 /* Analog specific initialization */ 1770 dev->format = &format[0]; 1771 1772 /* Set the initial input */ 1773 video_mux(dev, dev->video_input); 1774 1775 call_all(dev, video, s_std, dev->norm); 1776 1777 v4l2_ctrl_handler_init(&dev->ctrl_handler, 10); 1778 v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 5); 1779 1780 if (dev->sd_cx25840) { 1781 v4l2_ctrl_add_handler(&dev->ctrl_handler, 1782 dev->sd_cx25840->ctrl_handler, NULL, true); 1783 v4l2_ctrl_add_handler(&dev->radio_ctrl_handler, 1784 dev->sd_cx25840->ctrl_handler, 1785 v4l2_ctrl_radio_filter, true); 1786 } 1787 1788 if (dev->ctrl_handler.error) 1789 return dev->ctrl_handler.error; 1790 if (dev->radio_ctrl_handler.error) 1791 return dev->radio_ctrl_handler.error; 1792 1793 /* enable vbi capturing */ 1794 /* write code here... */ 1795 1796 /* allocate and fill video video_device struct */ 1797 cx231xx_vdev_init(dev, &dev->vdev, &cx231xx_video_template, "video"); 1798 #if defined(CONFIG_MEDIA_CONTROLLER) 1799 dev->video_pad.flags = MEDIA_PAD_FL_SINK; 1800 ret = media_entity_pads_init(&dev->vdev.entity, 1, &dev->video_pad); 1801 if (ret < 0) 1802 dev_err(dev->dev, "failed to initialize video media entity!\n"); 1803 #endif 1804 dev->vdev.ctrl_handler = &dev->ctrl_handler; 1805 1806 q = &dev->vidq; 1807 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1808 q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ; 1809 q->drv_priv = dev; 1810 q->buf_struct_size = sizeof(struct cx231xx_buffer); 1811 q->ops = &cx231xx_video_qops; 1812 q->mem_ops = &vb2_vmalloc_memops; 1813 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1814 q->min_queued_buffers = 1; 1815 q->lock = &dev->lock; 1816 ret = vb2_queue_init(q); 1817 if (ret) 1818 return ret; 1819 dev->vdev.queue = q; 1820 dev->vdev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1821 V4L2_CAP_VIDEO_CAPTURE; 1822 1823 switch (dev->model) { /* i2c device tuners */ 1824 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: 1825 case CX231XX_BOARD_HAUPPAUGE_935C: 1826 case CX231XX_BOARD_HAUPPAUGE_955Q: 1827 case CX231XX_BOARD_HAUPPAUGE_975: 1828 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: 1829 dev->vdev.device_caps |= V4L2_CAP_TUNER; 1830 break; 1831 default: 1832 if (dev->tuner_type != TUNER_ABSENT) 1833 dev->vdev.device_caps |= V4L2_CAP_TUNER; 1834 break; 1835 } 1836 1837 /* register v4l2 video video_device */ 1838 ret = video_register_device(&dev->vdev, VFL_TYPE_VIDEO, 1839 video_nr[dev->devno]); 1840 if (ret) { 1841 dev_err(dev->dev, 1842 "unable to register video device (error=%i).\n", 1843 ret); 1844 return ret; 1845 } 1846 1847 dev_info(dev->dev, "Registered video device %s [v4l2]\n", 1848 video_device_node_name(&dev->vdev)); 1849 1850 /* Initialize VBI template */ 1851 cx231xx_vbi_template = cx231xx_video_template; 1852 strscpy(cx231xx_vbi_template.name, "cx231xx-vbi", 1853 sizeof(cx231xx_vbi_template.name)); 1854 1855 /* Allocate and fill vbi video_device struct */ 1856 cx231xx_vdev_init(dev, &dev->vbi_dev, &cx231xx_vbi_template, "vbi"); 1857 1858 #if defined(CONFIG_MEDIA_CONTROLLER) 1859 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; 1860 ret = media_entity_pads_init(&dev->vbi_dev.entity, 1, &dev->vbi_pad); 1861 if (ret < 0) 1862 dev_err(dev->dev, "failed to initialize vbi media entity!\n"); 1863 #endif 1864 dev->vbi_dev.ctrl_handler = &dev->ctrl_handler; 1865 1866 q = &dev->vbiq; 1867 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1868 q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ; 1869 q->drv_priv = dev; 1870 q->buf_struct_size = sizeof(struct cx231xx_buffer); 1871 q->ops = &cx231xx_vbi_qops; 1872 q->mem_ops = &vb2_vmalloc_memops; 1873 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1874 q->min_queued_buffers = 1; 1875 q->lock = &dev->lock; 1876 ret = vb2_queue_init(q); 1877 if (ret) 1878 return ret; 1879 dev->vbi_dev.queue = q; 1880 dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1881 V4L2_CAP_VBI_CAPTURE; 1882 switch (dev->model) { /* i2c device tuners */ 1883 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: 1884 case CX231XX_BOARD_HAUPPAUGE_935C: 1885 case CX231XX_BOARD_HAUPPAUGE_955Q: 1886 case CX231XX_BOARD_HAUPPAUGE_975: 1887 case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: 1888 dev->vbi_dev.device_caps |= V4L2_CAP_TUNER; 1889 break; 1890 default: 1891 if (dev->tuner_type != TUNER_ABSENT) 1892 dev->vbi_dev.device_caps |= V4L2_CAP_TUNER; 1893 } 1894 1895 /* register v4l2 vbi video_device */ 1896 ret = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI, 1897 vbi_nr[dev->devno]); 1898 if (ret < 0) { 1899 dev_err(dev->dev, "unable to register vbi device\n"); 1900 return ret; 1901 } 1902 1903 dev_info(dev->dev, "Registered VBI device %s\n", 1904 video_device_node_name(&dev->vbi_dev)); 1905 1906 if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) { 1907 cx231xx_vdev_init(dev, &dev->radio_dev, 1908 &cx231xx_radio_template, "radio"); 1909 dev->radio_dev.ctrl_handler = &dev->radio_ctrl_handler; 1910 dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 1911 ret = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO, 1912 radio_nr[dev->devno]); 1913 if (ret < 0) { 1914 dev_err(dev->dev, 1915 "can't register radio device\n"); 1916 return ret; 1917 } 1918 dev_info(dev->dev, "Registered radio device as %s\n", 1919 video_device_node_name(&dev->radio_dev)); 1920 } 1921 1922 return 0; 1923 } 1924