1/* 2 * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com 3 * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 */ 19 20#include <linux/kernel.h> 21#include <linux/module.h> 22#include <linux/kthread.h> 23#include <linux/freezer.h> 24 25#include <media/v4l2-ioctl.h> 26#include <media/v4l2-common.h> 27#include <media/videobuf-dma-contig.h> 28 29#include "solo6010.h" 30#include "solo6010-tw28.h" 31 32#define SOLO_HW_BPL 2048 33#define SOLO_DISP_PIX_FIELD V4L2_FIELD_INTERLACED 34#define SOLO_DISP_BUF_SIZE (64 * 1024) // 64k 35 36/* Image size is two fields, SOLO_HW_BPL is one horizontal line */ 37#define solo_vlines(__solo) (__solo->video_vsize * 2) 38#define solo_image_size(__solo) (solo_bytesperline(__solo) * \ 39 solo_vlines(__solo)) 40#define solo_bytesperline(__solo) (__solo->video_hsize * 2) 41 42#define MIN_VID_BUFFERS 4 43 44/* Simple file handle */ 45struct solo_filehandle { 46 struct solo6010_dev *solo_dev; 47 struct videobuf_queue vidq; 48 struct task_struct *kthread; 49 spinlock_t slock; 50 int old_write; 51 struct list_head vidq_active; 52}; 53 54unsigned video_nr = -1; 55module_param(video_nr, uint, 0644); 56MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect (default)"); 57 58static void erase_on(struct solo6010_dev *solo_dev) 59{ 60 solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, SOLO_VO_DISP_ERASE_ON); 61 solo_dev->erasing = 1; 62 solo_dev->frame_blank = 0; 63} 64 65static int erase_off(struct solo6010_dev *solo_dev) 66{ 67 if (!solo_dev->erasing) 68 return 0; 69 70 /* First time around, assert erase off */ 71 if (!solo_dev->frame_blank) 72 solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, 0); 73 /* Keep the erasing flag on for 8 frames minimum */ 74 if (solo_dev->frame_blank++ >= 8) 75 solo_dev->erasing = 0; 76 77 return 1; 78} 79 80void solo_video_in_isr(struct solo6010_dev *solo_dev) 81{ 82 solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_VIDEO_IN); 83 wake_up_interruptible(&solo_dev->disp_thread_wait); 84} 85 86static void solo_win_setup(struct solo6010_dev *solo_dev, u8 ch, 87 int sx, int sy, int ex, int ey, int scale) 88{ 89 if (ch >= solo_dev->nr_chans) 90 return; 91 92 /* Here, we just keep window/channel the same */ 93 solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL0(ch), 94 SOLO_VI_WIN_CHANNEL(ch) | 95 SOLO_VI_WIN_SX(sx) | 96 SOLO_VI_WIN_EX(ex) | 97 SOLO_VI_WIN_SCALE(scale)); 98 99 solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL1(ch), 100 SOLO_VI_WIN_SY(sy) | 101 SOLO_VI_WIN_EY(ey)); 102} 103 104static int solo_v4l2_ch_ext_4up(struct solo6010_dev *solo_dev, u8 idx, int on) 105{ 106 u8 ch = idx * 4; 107 108 if (ch >= solo_dev->nr_chans) 109 return -EINVAL; 110 111 if (!on) { 112 u8 i; 113 for (i = ch; i < ch + 4; i++) 114 solo_win_setup(solo_dev, i, solo_dev->video_hsize, 115 solo_vlines(solo_dev), 116 solo_dev->video_hsize, 117 solo_vlines(solo_dev), 0); 118 return 0; 119 } 120 121 /* Row 1 */ 122 solo_win_setup(solo_dev, ch, 0, 0, solo_dev->video_hsize / 2, 123 solo_vlines(solo_dev) / 2, 3); 124 solo_win_setup(solo_dev, ch + 1, solo_dev->video_hsize / 2, 0, 125 solo_dev->video_hsize, solo_vlines(solo_dev) / 2, 3); 126 /* Row 2 */ 127 solo_win_setup(solo_dev, ch + 2, 0, solo_vlines(solo_dev) / 2, 128 solo_dev->video_hsize / 2, solo_vlines(solo_dev), 3); 129 solo_win_setup(solo_dev, ch + 3, solo_dev->video_hsize / 2, 130 solo_vlines(solo_dev) / 2, solo_dev->video_hsize, 131 solo_vlines(solo_dev), 3); 132 133 return 0; 134} 135 136static int solo_v4l2_ch_ext_16up(struct solo6010_dev *solo_dev, int on) 137{ 138 int sy, ysize, hsize, i; 139 140 if (!on) { 141 for (i = 0; i < 16; i++) 142 solo_win_setup(solo_dev, i, solo_dev->video_hsize, 143 solo_vlines(solo_dev), 144 solo_dev->video_hsize, 145 solo_vlines(solo_dev), 0); 146 return 0; 147 } 148 149 ysize = solo_vlines(solo_dev) / 4; 150 hsize = solo_dev->video_hsize / 4; 151 152 for (sy = 0, i = 0; i < 4; i++, sy += ysize) { 153 solo_win_setup(solo_dev, i * 4, 0, sy, hsize, 154 sy + ysize, 5); 155 solo_win_setup(solo_dev, (i * 4) + 1, hsize, sy, 156 hsize * 2, sy + ysize, 5); 157 solo_win_setup(solo_dev, (i * 4) + 2, hsize * 2, sy, 158 hsize * 3, sy + ysize, 5); 159 solo_win_setup(solo_dev, (i * 4) + 3, hsize * 3, sy, 160 solo_dev->video_hsize, sy + ysize, 5); 161 } 162 163 return 0; 164} 165 166static int solo_v4l2_ch(struct solo6010_dev *solo_dev, u8 ch, int on) 167{ 168 u8 ext_ch; 169 170 if (ch < solo_dev->nr_chans) { 171 solo_win_setup(solo_dev, ch, on ? 0 : solo_dev->video_hsize, 172 on ? 0 : solo_vlines(solo_dev), 173 solo_dev->video_hsize, solo_vlines(solo_dev), 174 on ? 1 : 0); 175 return 0; 176 } 177 178 if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) 179 return -EINVAL; 180 181 ext_ch = ch - solo_dev->nr_chans; 182 183 /* 4up's first */ 184 if (ext_ch < 4) 185 return solo_v4l2_ch_ext_4up(solo_dev, ext_ch, on); 186 187 /* Remaining case is 16up for 16-port */ 188 return solo_v4l2_ch_ext_16up(solo_dev, on); 189} 190 191static int solo_v4l2_set_ch(struct solo6010_dev *solo_dev, u8 ch) 192{ 193 if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) 194 return -EINVAL; 195 196 erase_on(solo_dev); 197 198 solo_v4l2_ch(solo_dev, solo_dev->cur_disp_ch, 0); 199 solo_v4l2_ch(solo_dev, ch, 1); 200 201 solo_dev->cur_disp_ch = ch; 202 203 return 0; 204} 205 206static void solo_fillbuf(struct solo_filehandle *fh, 207 struct videobuf_buffer *vb) 208{ 209 struct solo6010_dev *solo_dev = fh->solo_dev; 210 dma_addr_t vbuf; 211 unsigned int fdma_addr; 212 int frame_size; 213 int error = 1; 214 int i; 215 216 if (!(vbuf = videobuf_to_dma_contig(vb))) 217 goto finish_buf; 218 219 if (erase_off(solo_dev)) { 220 void *p = videobuf_queue_to_vaddr(&fh->vidq, vb); 221 int image_size = solo_image_size(solo_dev); 222 for (i = 0; i < image_size; i += 2) { 223 ((u8 *)p)[i] = 0x80; 224 ((u8 *)p)[i + 1] = 0x00; 225 } 226 error = 0; 227 goto finish_buf; 228 } 229 230 frame_size = SOLO_HW_BPL * solo_vlines(solo_dev); 231 fdma_addr = SOLO_DISP_EXT_ADDR(solo_dev) + (fh->old_write * frame_size); 232 233 for (i = 0; i < frame_size / SOLO_DISP_BUF_SIZE; i++) { 234 int j; 235 for (j = 0; j < (SOLO_DISP_BUF_SIZE / SOLO_HW_BPL); j++) { 236 if (solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_DISP, 0, 237 vbuf, fdma_addr + (j * SOLO_HW_BPL), 238 solo_bytesperline(solo_dev))) 239 goto finish_buf; 240 vbuf += solo_bytesperline(solo_dev); 241 } 242 fdma_addr += SOLO_DISP_BUF_SIZE; 243 } 244 error = 0; 245 246finish_buf: 247 if (error) { 248 vb->state = VIDEOBUF_ERROR; 249 } else { 250 vb->state = VIDEOBUF_DONE; 251 vb->field_count++; 252 do_gettimeofday(&vb->ts); 253 } 254 255 wake_up(&vb->done); 256 257 return; 258} 259 260static void solo_thread_try(struct solo_filehandle *fh) 261{ 262 struct videobuf_buffer *vb; 263 unsigned int cur_write; 264 265 for (;;) { 266 spin_lock(&fh->slock); 267 268 if (list_empty(&fh->vidq_active)) 269 break; 270 271 vb = list_first_entry(&fh->vidq_active, struct videobuf_buffer, 272 queue); 273 274 if (!waitqueue_active(&vb->done)) 275 break; 276 277 cur_write = SOLO_VI_STATUS0_PAGE(solo_reg_read(fh->solo_dev, 278 SOLO_VI_STATUS0)); 279 if (cur_write == fh->old_write) 280 break; 281 282 fh->old_write = cur_write; 283 list_del(&vb->queue); 284 285 spin_unlock(&fh->slock); 286 287 solo_fillbuf(fh, vb); 288 } 289 290 assert_spin_locked(&fh->slock); 291 spin_unlock(&fh->slock); 292} 293 294static int solo_thread(void *data) 295{ 296 struct solo_filehandle *fh = data; 297 struct solo6010_dev *solo_dev = fh->solo_dev; 298 DECLARE_WAITQUEUE(wait, current); 299 300 set_freezable(); 301 add_wait_queue(&solo_dev->disp_thread_wait, &wait); 302 303 for (;;) { 304 long timeout = schedule_timeout_interruptible(HZ); 305 if (timeout == -ERESTARTSYS || kthread_should_stop()) 306 break; 307 solo_thread_try(fh); 308 try_to_freeze(); 309 } 310 311 remove_wait_queue(&solo_dev->disp_thread_wait, &wait); 312 313 return 0; 314} 315 316static int solo_start_thread(struct solo_filehandle *fh) 317{ 318 fh->kthread = kthread_run(solo_thread, fh, SOLO6010_NAME "_disp"); 319 320 if (IS_ERR(fh->kthread)) 321 return PTR_ERR(fh->kthread); 322 323 return 0; 324} 325 326static void solo_stop_thread(struct solo_filehandle *fh) 327{ 328 if (fh->kthread) { 329 kthread_stop(fh->kthread); 330 fh->kthread = NULL; 331 } 332} 333 334static int solo_buf_setup(struct videobuf_queue *vq, unsigned int *count, 335 unsigned int *size) 336{ 337 struct solo_filehandle *fh = vq->priv_data; 338 struct solo6010_dev *solo_dev = fh->solo_dev; 339 340 *size = solo_image_size(solo_dev); 341 342 if (*count < MIN_VID_BUFFERS) 343 *count = MIN_VID_BUFFERS; 344 345 return 0; 346} 347 348static int solo_buf_prepare(struct videobuf_queue *vq, 349 struct videobuf_buffer *vb, enum v4l2_field field) 350{ 351 struct solo_filehandle *fh = vq->priv_data; 352 struct solo6010_dev *solo_dev = fh->solo_dev; 353 354 vb->size = solo_image_size(solo_dev); 355 if (vb->baddr != 0 && vb->bsize < vb->size) 356 return -EINVAL; 357 358 vb->width = solo_dev->video_hsize; 359 vb->height = solo_vlines(solo_dev); 360 vb->bytesperline = solo_bytesperline(solo_dev); 361 vb->field = field; 362 363 if (vb->state == VIDEOBUF_NEEDS_INIT) { 364 int rc = videobuf_iolock(vq, vb, NULL); 365 if (rc < 0) { 366 videobuf_dma_contig_free(vq, vb); 367 vb->state = VIDEOBUF_NEEDS_INIT; 368 return rc; 369 } 370 } 371 vb->state = VIDEOBUF_PREPARED; 372 373 return 0; 374} 375 376static void solo_buf_queue(struct videobuf_queue *vq, 377 struct videobuf_buffer *vb) 378{ 379 struct solo_filehandle *fh = vq->priv_data; 380 struct solo6010_dev *solo_dev = fh->solo_dev; 381 382 vb->state = VIDEOBUF_QUEUED; 383 list_add_tail(&vb->queue, &fh->vidq_active); 384 wake_up_interruptible(&solo_dev->disp_thread_wait); 385} 386 387static void solo_buf_release(struct videobuf_queue *vq, 388 struct videobuf_buffer *vb) 389{ 390 videobuf_dma_contig_free(vq, vb); 391 vb->state = VIDEOBUF_NEEDS_INIT; 392} 393 394static struct videobuf_queue_ops solo_video_qops = { 395 .buf_setup = solo_buf_setup, 396 .buf_prepare = solo_buf_prepare, 397 .buf_queue = solo_buf_queue, 398 .buf_release = solo_buf_release, 399}; 400 401static unsigned int solo_v4l2_poll(struct file *file, 402 struct poll_table_struct *wait) 403{ 404 struct solo_filehandle *fh = file->private_data; 405 406 return videobuf_poll_stream(file, &fh->vidq, wait); 407} 408 409static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma) 410{ 411 struct solo_filehandle *fh = file->private_data; 412 413 return videobuf_mmap_mapper(&fh->vidq, vma); 414} 415 416static int solo_v4l2_open(struct file *file) 417{ 418 struct solo6010_dev *solo_dev = video_drvdata(file); 419 struct solo_filehandle *fh; 420 int ret; 421 422 if ((fh = kzalloc(sizeof(*fh), GFP_KERNEL)) == NULL) 423 return -ENOMEM; 424 425 spin_lock_init(&fh->slock); 426 INIT_LIST_HEAD(&fh->vidq_active); 427 fh->solo_dev = solo_dev; 428 file->private_data = fh; 429 430 if ((ret = solo_start_thread(fh))) { 431 kfree(fh); 432 return ret; 433 } 434 435 videobuf_queue_dma_contig_init(&fh->vidq, &solo_video_qops, 436 &solo_dev->pdev->dev, &fh->slock, 437 V4L2_BUF_TYPE_VIDEO_CAPTURE, 438 SOLO_DISP_PIX_FIELD, 439 sizeof(struct videobuf_buffer), fh); 440 441 return 0; 442} 443 444static ssize_t solo_v4l2_read(struct file *file, char __user *data, 445 size_t count, loff_t *ppos) 446{ 447 struct solo_filehandle *fh = file->private_data; 448 449 return videobuf_read_stream(&fh->vidq, data, count, ppos, 0, 450 file->f_flags & O_NONBLOCK); 451} 452 453static int solo_v4l2_release(struct file *file) 454{ 455 struct solo_filehandle *fh = file->private_data; 456 457 videobuf_stop(&fh->vidq); 458 videobuf_mmap_free(&fh->vidq); 459 solo_stop_thread(fh); 460 kfree(fh); 461 462 return 0; 463} 464 465static int solo_querycap(struct file *file, void *priv, 466 struct v4l2_capability *cap) 467{ 468 struct solo_filehandle *fh = priv; 469 struct solo6010_dev *solo_dev = fh->solo_dev; 470 471 strcpy(cap->driver, SOLO6010_NAME); 472 strcpy(cap->card, "Softlogic 6010"); 473 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI %s", 474 pci_name(solo_dev->pdev)); 475 cap->version = SOLO6010_VER_NUM; 476 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | 477 V4L2_CAP_READWRITE | 478 V4L2_CAP_STREAMING; 479 return 0; 480} 481 482static int solo_enum_ext_input(struct solo6010_dev *solo_dev, 483 struct v4l2_input *input) 484{ 485 static const char *dispnames_1[] = { "4UP" }; 486 static const char *dispnames_2[] = { "4UP-1", "4UP-2" }; 487 static const char *dispnames_5[] = { 488 "4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP" 489 }; 490 const char **dispnames; 491 492 if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext)) 493 return -EINVAL; 494 495 if (solo_dev->nr_ext == 5) 496 dispnames = dispnames_5; 497 else if (solo_dev->nr_ext == 2) 498 dispnames = dispnames_2; 499 else 500 dispnames = dispnames_1; 501 502 snprintf(input->name, sizeof(input->name), "Multi %s", 503 dispnames[input->index - solo_dev->nr_chans]); 504 505 return 0; 506} 507 508static int solo_enum_input(struct file *file, void *priv, 509 struct v4l2_input *input) 510{ 511 struct solo_filehandle *fh = priv; 512 struct solo6010_dev *solo_dev = fh->solo_dev; 513 514 if (input->index >= solo_dev->nr_chans) { 515 int ret = solo_enum_ext_input(solo_dev, input); 516 if (ret < 0) 517 return ret; 518 } else { 519 snprintf(input->name, sizeof(input->name), "Camera %d", 520 input->index + 1); 521 522 /* We can only check this for normal inputs */ 523 if (!tw28_get_video_status(solo_dev, input->index)) 524 input->status = V4L2_IN_ST_NO_SIGNAL; 525 } 526 527 input->type = V4L2_INPUT_TYPE_CAMERA; 528 529 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) 530 input->std = V4L2_STD_NTSC_M; 531 else 532 input->std = V4L2_STD_PAL_M; 533 534 return 0; 535} 536 537static int solo_set_input(struct file *file, void *priv, unsigned int index) 538{ 539 struct solo_filehandle *fh = priv; 540 541 return solo_v4l2_set_ch(fh->solo_dev, index); 542} 543 544static int solo_get_input(struct file *file, void *priv, unsigned int *index) 545{ 546 struct solo_filehandle *fh = priv; 547 548 *index = fh->solo_dev->cur_disp_ch; 549 550 return 0; 551} 552 553static int solo_enum_fmt_cap(struct file *file, void *priv, 554 struct v4l2_fmtdesc *f) 555{ 556 if (f->index) 557 return -EINVAL; 558 559 f->pixelformat = V4L2_PIX_FMT_UYVY; 560 strlcpy(f->description, "UYUV 4:2:2 Packed", sizeof(f->description)); 561 562 return 0; 563} 564 565static int solo_try_fmt_cap(struct file *file, void *priv, 566 struct v4l2_format *f) 567{ 568 struct solo_filehandle *fh = priv; 569 struct solo6010_dev *solo_dev = fh->solo_dev; 570 struct v4l2_pix_format *pix = &f->fmt.pix; 571 int image_size = solo_image_size(solo_dev); 572 573 /* Check supported sizes */ 574 if (pix->width != solo_dev->video_hsize) 575 pix->width = solo_dev->video_hsize; 576 if (pix->height != solo_vlines(solo_dev)) 577 pix->height = solo_vlines(solo_dev); 578 if (pix->sizeimage != image_size) 579 pix->sizeimage = image_size; 580 581 /* Check formats */ 582 if (pix->field == V4L2_FIELD_ANY) 583 pix->field = SOLO_DISP_PIX_FIELD; 584 585 if (pix->pixelformat != V4L2_PIX_FMT_UYVY || 586 pix->field != SOLO_DISP_PIX_FIELD || 587 pix->colorspace != V4L2_COLORSPACE_SMPTE170M) 588 return -EINVAL; 589 590 return 0; 591} 592 593static int solo_set_fmt_cap(struct file *file, void *priv, 594 struct v4l2_format *f) 595{ 596 struct solo_filehandle *fh = priv; 597 598 if (videobuf_queue_is_busy(&fh->vidq)) 599 return -EBUSY; 600 601 /* For right now, if it doesn't match our running config, 602 * then fail */ 603 return solo_try_fmt_cap(file, priv, f); 604} 605 606static int solo_get_fmt_cap(struct file *file, void *priv, 607 struct v4l2_format *f) 608{ 609 struct solo_filehandle *fh = priv; 610 struct solo6010_dev *solo_dev = fh->solo_dev; 611 struct v4l2_pix_format *pix = &f->fmt.pix; 612 613 pix->width = solo_dev->video_hsize; 614 pix->height = solo_vlines(solo_dev); 615 pix->pixelformat = V4L2_PIX_FMT_UYVY; 616 pix->field = SOLO_DISP_PIX_FIELD; 617 pix->sizeimage = solo_image_size(solo_dev); 618 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 619 pix->bytesperline = solo_bytesperline(solo_dev); 620 621 return 0; 622} 623 624static int solo_reqbufs(struct file *file, void *priv, 625 struct v4l2_requestbuffers *req) 626{ 627 struct solo_filehandle *fh = priv; 628 629 return videobuf_reqbufs(&fh->vidq, req); 630} 631 632static int solo_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf) 633{ 634 struct solo_filehandle *fh = priv; 635 636 return videobuf_querybuf(&fh->vidq, buf); 637} 638 639static int solo_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 640{ 641 struct solo_filehandle *fh = priv; 642 643 return videobuf_qbuf(&fh->vidq, buf); 644} 645 646static int solo_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 647{ 648 struct solo_filehandle *fh = priv; 649 650 return videobuf_dqbuf(&fh->vidq, buf, file->f_flags & O_NONBLOCK); 651} 652 653static int solo_streamon(struct file *file, void *priv, enum v4l2_buf_type i) 654{ 655 struct solo_filehandle *fh = priv; 656 657 if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) 658 return -EINVAL; 659 660 return videobuf_streamon(&fh->vidq); 661} 662 663static int solo_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 664{ 665 struct solo_filehandle *fh = priv; 666 667 if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) 668 return -EINVAL; 669 670 return videobuf_streamoff(&fh->vidq); 671} 672 673static int solo_s_std(struct file *file, void *priv, v4l2_std_id *i) 674{ 675 return 0; 676} 677 678static const u32 solo_motion_ctrls[] = { 679 V4L2_CID_MOTION_TRACE, 680 0 681}; 682 683static const u32 *solo_ctrl_classes[] = { 684 solo_motion_ctrls, 685 NULL 686}; 687 688static int solo_disp_queryctrl(struct file *file, void *priv, 689 struct v4l2_queryctrl *qc) 690{ 691 qc->id = v4l2_ctrl_next(solo_ctrl_classes, qc->id); 692 if (!qc->id) 693 return -EINVAL; 694 695 switch (qc->id) { 696#ifdef PRIVATE_CIDS 697 case V4L2_CID_MOTION_TRACE: 698 qc->type = V4L2_CTRL_TYPE_BOOLEAN; 699 qc->minimum = 0; 700 qc->maximum = qc->step = 1; 701 qc->default_value = 0; 702 strlcpy(qc->name, "Motion Detection Trace", sizeof(qc->name)); 703 return 0; 704#else 705 case V4L2_CID_MOTION_TRACE: 706 return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); 707#endif 708 } 709 return -EINVAL; 710} 711 712static int solo_disp_g_ctrl(struct file *file, void *priv, 713 struct v4l2_control *ctrl) 714{ 715 struct solo_filehandle *fh = priv; 716 struct solo6010_dev *solo_dev = fh->solo_dev; 717 718 switch (ctrl->id) { 719 case V4L2_CID_MOTION_TRACE: 720 ctrl->value = solo_reg_read(solo_dev, SOLO_VI_MOTION_BAR) 721 ? 1 : 0; 722 return 0; 723 } 724 return -EINVAL; 725} 726 727static int solo_disp_s_ctrl(struct file *file, void *priv, 728 struct v4l2_control *ctrl) 729{ 730 struct solo_filehandle *fh = priv; 731 struct solo6010_dev *solo_dev = fh->solo_dev; 732 733 switch (ctrl->id) { 734 case V4L2_CID_MOTION_TRACE: 735 if (ctrl->value) { 736 solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 737 SOLO_VI_MOTION_Y_ADD | 738 SOLO_VI_MOTION_Y_VALUE(0x20) | 739 SOLO_VI_MOTION_CB_VALUE(0x10) | 740 SOLO_VI_MOTION_CR_VALUE(0x10)); 741 solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 742 SOLO_VI_MOTION_CR_ADD | 743 SOLO_VI_MOTION_Y_VALUE(0x10) | 744 SOLO_VI_MOTION_CB_VALUE(0x80) | 745 SOLO_VI_MOTION_CR_VALUE(0x10)); 746 } else { 747 solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 0); 748 solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 0); 749 } 750 return 0; 751 } 752 return -EINVAL; 753} 754 755static const struct v4l2_file_operations solo_v4l2_fops = { 756 .owner = THIS_MODULE, 757 .open = solo_v4l2_open, 758 .release = solo_v4l2_release, 759 .read = solo_v4l2_read, 760 .poll = solo_v4l2_poll, 761 .mmap = solo_v4l2_mmap, 762 .ioctl = video_ioctl2, 763}; 764 765static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = { 766 .vidioc_querycap = solo_querycap, 767 .vidioc_s_std = solo_s_std, 768 /* Input callbacks */ 769 .vidioc_enum_input = solo_enum_input, 770 .vidioc_s_input = solo_set_input, 771 .vidioc_g_input = solo_get_input, 772 /* Video capture format callbacks */ 773 .vidioc_enum_fmt_vid_cap = solo_enum_fmt_cap, 774 .vidioc_try_fmt_vid_cap = solo_try_fmt_cap, 775 .vidioc_s_fmt_vid_cap = solo_set_fmt_cap, 776 .vidioc_g_fmt_vid_cap = solo_get_fmt_cap, 777 /* Streaming I/O */ 778 .vidioc_reqbufs = solo_reqbufs, 779 .vidioc_querybuf = solo_querybuf, 780 .vidioc_qbuf = solo_qbuf, 781 .vidioc_dqbuf = solo_dqbuf, 782 .vidioc_streamon = solo_streamon, 783 .vidioc_streamoff = solo_streamoff, 784 /* Controls */ 785 .vidioc_queryctrl = solo_disp_queryctrl, 786 .vidioc_g_ctrl = solo_disp_g_ctrl, 787 .vidioc_s_ctrl = solo_disp_s_ctrl, 788}; 789 790static struct video_device solo_v4l2_template = { 791 .name = SOLO6010_NAME, 792 .fops = &solo_v4l2_fops, 793 .ioctl_ops = &solo_v4l2_ioctl_ops, 794 .minor = -1, 795 .release = video_device_release, 796 797 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_M, 798 .current_norm = V4L2_STD_NTSC_M, 799}; 800 801int solo_v4l2_init(struct solo6010_dev *solo_dev) 802{ 803 int ret; 804 int i; 805 806 init_waitqueue_head(&solo_dev->disp_thread_wait); 807 808 solo_dev->vfd = video_device_alloc(); 809 if (!solo_dev->vfd) 810 return -ENOMEM; 811 812 *solo_dev->vfd = solo_v4l2_template; 813 solo_dev->vfd->parent = &solo_dev->pdev->dev; 814 815 ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, video_nr); 816 if (ret < 0) { 817 video_device_release(solo_dev->vfd); 818 solo_dev->vfd = NULL; 819 return ret; 820 } 821 822 video_set_drvdata(solo_dev->vfd, solo_dev); 823 824 snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)", 825 SOLO6010_NAME, solo_dev->vfd->num); 826 827 if (video_nr >= 0) 828 video_nr++; 829 830 dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with " 831 "%d inputs (%d extended)\n", solo_dev->vfd->num, 832 solo_dev->nr_chans, solo_dev->nr_ext); 833 834 /* Cycle all the channels and clear */ 835 for (i = 0; i < solo_dev->nr_chans; i++) { 836 solo_v4l2_set_ch(solo_dev, i); 837 while (erase_off(solo_dev)) 838 ;// Do nothing 839 } 840 841 /* Set the default display channel */ 842 solo_v4l2_set_ch(solo_dev, 0); 843 while (erase_off(solo_dev)) 844 ;// Do nothing 845 846 solo6010_irq_on(solo_dev, SOLO_IRQ_VIDEO_IN); 847 848 return 0; 849} 850 851void solo_v4l2_exit(struct solo6010_dev *solo_dev) 852{ 853 solo6010_irq_off(solo_dev, SOLO_IRQ_VIDEO_IN); 854 if (solo_dev->vfd) { 855 video_unregister_device(solo_dev->vfd); 856 solo_dev->vfd = NULL; 857 } 858} 859