1/* 2 * Driver for the Conexant CX25821 PCIe bridge 3 * 4 * Copyright (C) 2009 Conexant Systems Inc. 5 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> 6 * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver 7 * Parts adapted/taken from Eduardo Moscoso Rubino 8 * Copyright (C) 2009 Eduardo Moscoso Rubino <moscoso@TopoLogica.com> 9 * 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2 of the License, or 14 * (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 25 */ 26 27#include "cx25821-video.h" 28 29MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); 30MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); 31MODULE_LICENSE("GPL"); 32 33static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; 34static unsigned int radio_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; 35 36module_param_array(video_nr, int, NULL, 0444); 37module_param_array(radio_nr, int, NULL, 0444); 38 39MODULE_PARM_DESC(video_nr, "video device numbers"); 40MODULE_PARM_DESC(radio_nr, "radio device numbers"); 41 42static unsigned int video_debug = VIDEO_DEBUG; 43module_param(video_debug, int, 0644); 44MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 45 46static unsigned int irq_debug; 47module_param(irq_debug, int, 0644); 48MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 49 50unsigned int vid_limit = 16; 51module_param(vid_limit, int, 0644); 52MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 53 54static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num); 55 56static const struct v4l2_file_operations video_fops; 57static const struct v4l2_ioctl_ops video_ioctl_ops; 58 59#define FORMAT_FLAGS_PACKED 0x01 60 61struct cx25821_fmt formats[] = { 62 { 63 .name = "8 bpp, gray", 64 .fourcc = V4L2_PIX_FMT_GREY, 65 .depth = 8, 66 .flags = FORMAT_FLAGS_PACKED, 67 }, { 68 .name = "4:1:1, packed, Y41P", 69 .fourcc = V4L2_PIX_FMT_Y41P, 70 .depth = 12, 71 .flags = FORMAT_FLAGS_PACKED, 72 }, { 73 .name = "4:2:2, packed, YUYV", 74 .fourcc = V4L2_PIX_FMT_YUYV, 75 .depth = 16, 76 .flags = FORMAT_FLAGS_PACKED, 77 }, { 78 .name = "4:2:2, packed, UYVY", 79 .fourcc = V4L2_PIX_FMT_UYVY, 80 .depth = 16, 81 .flags = FORMAT_FLAGS_PACKED, 82 }, { 83 .name = "4:2:0, YUV", 84 .fourcc = V4L2_PIX_FMT_YUV420, 85 .depth = 12, 86 .flags = FORMAT_FLAGS_PACKED, 87 }, 88}; 89 90int cx25821_get_format_size(void) 91{ 92 return ARRAY_SIZE(formats); 93} 94 95struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc) 96{ 97 unsigned int i; 98 99 if (fourcc == V4L2_PIX_FMT_Y41P || fourcc == V4L2_PIX_FMT_YUV411P) { 100 return formats + 1; 101 } 102 103 for (i = 0; i < ARRAY_SIZE(formats); i++) 104 if (formats[i].fourcc == fourcc) 105 return formats + i; 106 107 printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); 108 return NULL; 109} 110 111void cx25821_dump_video_queue(struct cx25821_dev *dev, struct cx25821_dmaqueue *q) 112{ 113 struct cx25821_buffer *buf; 114 struct list_head *item; 115 dprintk(1, "%s()\n", __func__); 116 117 if (!list_empty(&q->active)) { 118 list_for_each(item, &q->active) 119 buf = list_entry(item, struct cx25821_buffer, vb.queue); 120 } 121 122 if (!list_empty(&q->queued)) { 123 list_for_each(item, &q->queued) 124 buf = list_entry(item, struct cx25821_buffer, vb.queue); 125 } 126 127} 128 129void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, 130 u32 count) 131{ 132 struct cx25821_buffer *buf; 133 int bc; 134 135 for (bc = 0;; bc++) { 136 if (list_empty(&q->active)) { 137 dprintk(1, "bc=%d (=0: active empty)\n", bc); 138 break; 139 } 140 141 buf = 142 list_entry(q->active.next, struct cx25821_buffer, vb.queue); 143 144 /* count comes from the hw and it is 16bit wide -- 145 * this trick handles wrap-arounds correctly for 146 * up to 32767 buffers in flight... */ 147 if ((s16) (count - buf->count) < 0) { 148 break; 149 } 150 151 do_gettimeofday(&buf->vb.ts); 152 buf->vb.state = VIDEOBUF_DONE; 153 list_del(&buf->vb.queue); 154 wake_up(&buf->vb.done); 155 } 156 157 if (list_empty(&q->active)) 158 del_timer(&q->timeout); 159 else 160 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); 161 if (bc != 1) 162 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", 163 __func__, bc); 164} 165 166#ifdef TUNER_FLAG 167int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm) 168{ 169 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", __func__, 170 (unsigned int)norm, v4l2_norm_to_name(norm)); 171 172 dev->tvnorm = norm; 173 174 /* Tell the internal A/V decoder */ 175 cx25821_call_all(dev, core, s_std, norm); 176 177 return 0; 178} 179#endif 180 181struct video_device *cx25821_vdev_init(struct cx25821_dev *dev, 182 struct pci_dev *pci, 183 struct video_device *template, 184 char *type) 185{ 186 struct video_device *vfd; 187 dprintk(1, "%s()\n", __func__); 188 189 vfd = video_device_alloc(); 190 if (NULL == vfd) 191 return NULL; 192 *vfd = *template; 193 vfd->v4l2_dev = &dev->v4l2_dev; 194 vfd->release = video_device_release; 195 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, 196 cx25821_boards[dev->board].name); 197 video_set_drvdata(vfd, dev); 198 return vfd; 199} 200 201/* 202static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) 203{ 204 int i; 205 206 if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1) 207 return -EINVAL; 208 for (i = 0; i < CX25821_CTLS; i++) 209 if (cx25821_ctls[i].v.id == qctrl->id) 210 break; 211 if (i == CX25821_CTLS) { 212 *qctrl = no_ctl; 213 return 0; 214 } 215 *qctrl = cx25821_ctls[i].v; 216 return 0; 217} 218*/ 219 220/* resource management */ 221int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bit) 222{ 223 dprintk(1, "%s()\n", __func__); 224 if (fh->resources & bit) 225 /* have it already allocated */ 226 return 1; 227 228 /* is it free? */ 229 mutex_lock(&dev->lock); 230 if (dev->channels[fh->channel_id].resources & bit) { 231 /* no, someone else uses it */ 232 mutex_unlock(&dev->lock); 233 return 0; 234 } 235 /* it's free, grab it */ 236 fh->resources |= bit; 237 dev->channels[fh->channel_id].resources |= bit; 238 dprintk(1, "res: get %d\n", bit); 239 mutex_unlock(&dev->lock); 240 return 1; 241} 242 243int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit) 244{ 245 return fh->resources & bit; 246} 247 248int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit) 249{ 250 return fh->dev->channels[fh->channel_id].resources & bit; 251} 252 253void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits) 254{ 255 BUG_ON((fh->resources & bits) != bits); 256 dprintk(1, "%s()\n", __func__); 257 258 mutex_lock(&dev->lock); 259 fh->resources &= ~bits; 260 dev->channels[fh->channel_id].resources &= ~bits; 261 dprintk(1, "res: put %d\n", bits); 262 mutex_unlock(&dev->lock); 263} 264 265int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input) 266{ 267 struct v4l2_routing route; 268 memset(&route, 0, sizeof(route)); 269 270 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 271 __func__, input, INPUT(input)->vmux, INPUT(input)->gpio0, 272 INPUT(input)->gpio1, INPUT(input)->gpio2, INPUT(input)->gpio3); 273 dev->input = input; 274 275 route.input = INPUT(input)->vmux; 276 277 /* Tell the internal A/V decoder */ 278 cx25821_call_all(dev, video, s_routing, INPUT(input)->vmux, 0, 0); 279 280 return 0; 281} 282 283int cx25821_start_video_dma(struct cx25821_dev *dev, 284 struct cx25821_dmaqueue *q, 285 struct cx25821_buffer *buf, 286 struct sram_channel *channel) 287{ 288 int tmp = 0; 289 290 /* setup fifo + format */ 291 cx25821_sram_channel_setup(dev, channel, buf->bpl, buf->risc.dma); 292 293 /* reset counter */ 294 cx_write(channel->gpcnt_ctl, 3); 295 q->count = 1; 296 297 /* enable irq */ 298 cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << channel->i)); 299 cx_set(channel->int_msk, 0x11); 300 301 /* start dma */ 302 cx_write(channel->dma_ctl, 0x11); /* FIFO and RISC enable */ 303 304 /* make sure upstream setting if any is reversed */ 305 tmp = cx_read(VID_CH_MODE_SEL); 306 cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00); 307 308 return 0; 309} 310 311int cx25821_restart_video_queue(struct cx25821_dev *dev, 312 struct cx25821_dmaqueue *q, 313 struct sram_channel *channel) 314{ 315 struct cx25821_buffer *buf, *prev; 316 struct list_head *item; 317 318 if (!list_empty(&q->active)) { 319 buf = 320 list_entry(q->active.next, struct cx25821_buffer, vb.queue); 321 322 cx25821_start_video_dma(dev, q, buf, channel); 323 324 list_for_each(item, &q->active) { 325 buf = list_entry(item, struct cx25821_buffer, vb.queue); 326 buf->count = q->count++; 327 } 328 329 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); 330 return 0; 331 } 332 333 prev = NULL; 334 for (;;) { 335 if (list_empty(&q->queued)) 336 return 0; 337 338 buf = 339 list_entry(q->queued.next, struct cx25821_buffer, vb.queue); 340 341 if (NULL == prev) { 342 list_move_tail(&buf->vb.queue, &q->active); 343 cx25821_start_video_dma(dev, q, buf, channel); 344 buf->vb.state = VIDEOBUF_ACTIVE; 345 buf->count = q->count++; 346 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); 347 } else if (prev->vb.width == buf->vb.width && 348 prev->vb.height == buf->vb.height && 349 prev->fmt == buf->fmt) { 350 list_move_tail(&buf->vb.queue, &q->active); 351 buf->vb.state = VIDEOBUF_ACTIVE; 352 buf->count = q->count++; 353 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 354 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ 355 } else { 356 return 0; 357 } 358 prev = buf; 359 } 360} 361 362void cx25821_vid_timeout(unsigned long data) 363{ 364 struct cx25821_data *timeout_data = (struct cx25821_data *)data; 365 struct cx25821_dev *dev = timeout_data->dev; 366 struct sram_channel *channel = timeout_data->channel; 367 struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq; 368 struct cx25821_buffer *buf; 369 unsigned long flags; 370 371 /* cx25821_sram_channel_dump(dev, channel); */ 372 cx_clear(channel->dma_ctl, 0x11); 373 374 spin_lock_irqsave(&dev->slock, flags); 375 while (!list_empty(&q->active)) { 376 buf = 377 list_entry(q->active.next, struct cx25821_buffer, vb.queue); 378 list_del(&buf->vb.queue); 379 380 buf->vb.state = VIDEOBUF_ERROR; 381 wake_up(&buf->vb.done); 382 } 383 384 cx25821_restart_video_queue(dev, q, channel); 385 spin_unlock_irqrestore(&dev->slock, flags); 386} 387 388int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) 389{ 390 u32 count = 0; 391 int handled = 0; 392 u32 mask; 393 struct sram_channel *channel = dev->channels[chan_num].sram_channels; 394 395 mask = cx_read(channel->int_msk); 396 if (0 == (status & mask)) 397 return handled; 398 399 cx_write(channel->int_stat, status); 400 401 /* risc op code error */ 402 if (status & (1 << 16)) { 403 printk(KERN_WARNING "%s, %s: video risc op code error\n", 404 dev->name, channel->name); 405 cx_clear(channel->dma_ctl, 0x11); 406 cx25821_sram_channel_dump(dev, channel); 407 } 408 409 /* risc1 y */ 410 if (status & FLD_VID_DST_RISC1) { 411 spin_lock(&dev->slock); 412 count = cx_read(channel->gpcnt); 413 cx25821_video_wakeup(dev, 414 &dev->channels[channel->i].vidq, count); 415 spin_unlock(&dev->slock); 416 handled++; 417 } 418 419 /* risc2 y */ 420 if (status & 0x10) { 421 dprintk(2, "stopper video\n"); 422 spin_lock(&dev->slock); 423 cx25821_restart_video_queue(dev, 424 &dev->channels[channel->i].vidq, 425 channel); 426 spin_unlock(&dev->slock); 427 handled++; 428 } 429 return handled; 430} 431 432void cx25821_videoioctl_unregister(struct cx25821_dev *dev) 433{ 434 if (dev->ioctl_dev) { 435 if (video_is_registered(dev->ioctl_dev)) 436 video_unregister_device(dev->ioctl_dev); 437 else 438 video_device_release(dev->ioctl_dev); 439 440 dev->ioctl_dev = NULL; 441 } 442} 443 444void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) 445{ 446 cx_clear(PCI_INT_MSK, 1); 447 448 if (dev->channels[chan_num].video_dev) { 449 if (video_is_registered(dev->channels[chan_num].video_dev)) 450 video_unregister_device( 451 dev->channels[chan_num].video_dev); 452 else 453 video_device_release( 454 dev->channels[chan_num].video_dev); 455 456 dev->channels[chan_num].video_dev = NULL; 457 458 btcx_riscmem_free(dev->pci, 459 &dev->channels[chan_num].vidq.stopper); 460 461 printk(KERN_WARNING "device %d released!\n", chan_num); 462 } 463 464} 465 466int cx25821_video_register(struct cx25821_dev *dev) 467{ 468 int err; 469 int i; 470 471 struct video_device cx25821_video_device = { 472 .name = "cx25821-video", 473 .fops = &video_fops, 474 .minor = -1, 475 .ioctl_ops = &video_ioctl_ops, 476 .tvnorms = CX25821_NORMS, 477 .current_norm = V4L2_STD_NTSC_M, 478 }; 479 480 spin_lock_init(&dev->slock); 481 482 for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) { 483 cx25821_init_controls(dev, i); 484 485 cx25821_risc_stopper(dev->pci, 486 &dev->channels[i].vidq.stopper, 487 dev->channels[i].sram_channels->dma_ctl, 488 0x11, 0); 489 490 dev->channels[i].sram_channels = &cx25821_sram_channels[i]; 491 dev->channels[i].video_dev = NULL; 492 dev->channels[i].resources = 0; 493 494 cx_write(dev->channels[i].sram_channels->int_stat, 495 0xffffffff); 496 497 INIT_LIST_HEAD(&dev->channels[i].vidq.active); 498 INIT_LIST_HEAD(&dev->channels[i].vidq.queued); 499 500 dev->channels[i].timeout_data.dev = dev; 501 dev->channels[i].timeout_data.channel = 502 &cx25821_sram_channels[i]; 503 dev->channels[i].vidq.timeout.function = 504 cx25821_vid_timeout; 505 dev->channels[i].vidq.timeout.data = 506 (unsigned long)&dev->channels[i].timeout_data; 507 init_timer(&dev->channels[i].vidq.timeout); 508 509 /* register v4l devices */ 510 dev->channels[i].video_dev = cx25821_vdev_init(dev, 511 dev->pci, &cx25821_video_device, "video"); 512 513 err = video_register_device(dev->channels[i].video_dev, 514 VFL_TYPE_GRABBER, video_nr[dev->nr]); 515 516 if (err < 0) 517 goto fail_unreg; 518 519 } 520 521 /* set PCI interrupt */ 522 cx_set(PCI_INT_MSK, 0xff); 523 524 /* initial device configuration */ 525 mutex_lock(&dev->lock); 526#ifdef TUNER_FLAG 527 dev->tvnorm = cx25821_video_device.current_norm; 528 cx25821_set_tvnorm(dev, dev->tvnorm); 529#endif 530 mutex_unlock(&dev->lock); 531 532 533 return 0; 534 535fail_unreg: 536 cx25821_video_unregister(dev, i); 537 return err; 538} 539 540int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count, 541 unsigned int *size) 542{ 543 struct cx25821_fh *fh = q->priv_data; 544 545 *size = fh->fmt->depth * fh->width * fh->height >> 3; 546 547 if (0 == *count) 548 *count = 32; 549 550 if (*size * *count > vid_limit * 1024 * 1024) 551 *count = (vid_limit * 1024 * 1024) / *size; 552 553 return 0; 554} 555 556int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 557 enum v4l2_field field) 558{ 559 struct cx25821_fh *fh = q->priv_data; 560 struct cx25821_dev *dev = fh->dev; 561 struct cx25821_buffer *buf = 562 container_of(vb, struct cx25821_buffer, vb); 563 int rc, init_buffer = 0; 564 u32 line0_offset, line1_offset; 565 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); 566 int bpl_local = LINE_SIZE_D1; 567 int channel_opened = fh->channel_id; 568 569 BUG_ON(NULL == fh->fmt); 570 if (fh->width < 48 || fh->width > 720 || 571 fh->height < 32 || fh->height > 576) 572 return -EINVAL; 573 574 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; 575 576 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 577 return -EINVAL; 578 579 if (buf->fmt != fh->fmt || 580 buf->vb.width != fh->width || 581 buf->vb.height != fh->height || buf->vb.field != field) { 582 buf->fmt = fh->fmt; 583 buf->vb.width = fh->width; 584 buf->vb.height = fh->height; 585 buf->vb.field = field; 586 init_buffer = 1; 587 } 588 589 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 590 init_buffer = 1; 591 rc = videobuf_iolock(q, &buf->vb, NULL); 592 if (0 != rc) { 593 printk(KERN_DEBUG "videobuf_iolock failed!\n"); 594 goto fail; 595 } 596 } 597 598 dprintk(1, "init_buffer=%d\n", init_buffer); 599 600 if (init_buffer) { 601 602 channel_opened = dev->channel_opened; 603 channel_opened = (channel_opened < 0 604 || channel_opened > 7) ? 7 : channel_opened; 605 606 if (dev->channels[channel_opened] 607 .pixel_formats == PIXEL_FRMT_411) 608 buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3; 609 else 610 buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width); 611 612 if (dev->channels[channel_opened] 613 .pixel_formats == PIXEL_FRMT_411) { 614 bpl_local = buf->bpl; 615 } else { 616 bpl_local = buf->bpl; /* Default */ 617 618 if (channel_opened >= 0 && channel_opened <= 7) { 619 if (dev->channels[channel_opened] 620 .use_cif_resolution) { 621 if (dev->tvnorm & V4L2_STD_PAL_BG 622 || dev->tvnorm & V4L2_STD_PAL_DK) 623 bpl_local = 352 << 1; 624 else 625 bpl_local = 626 dev->channels[channel_opened]. 627 cif_width << 628 1; 629 } 630 } 631 } 632 633 switch (buf->vb.field) { 634 case V4L2_FIELD_TOP: 635 cx25821_risc_buffer(dev->pci, &buf->risc, 636 dma->sglist, 0, UNSET, 637 buf->bpl, 0, buf->vb.height); 638 break; 639 case V4L2_FIELD_BOTTOM: 640 cx25821_risc_buffer(dev->pci, &buf->risc, 641 dma->sglist, UNSET, 0, 642 buf->bpl, 0, buf->vb.height); 643 break; 644 case V4L2_FIELD_INTERLACED: 645 /* All other formats are top field first */ 646 line0_offset = 0; 647 line1_offset = buf->bpl; 648 dprintk(1, "top field first\n"); 649 650 cx25821_risc_buffer(dev->pci, &buf->risc, 651 dma->sglist, line0_offset, 652 bpl_local, bpl_local, bpl_local, 653 buf->vb.height >> 1); 654 break; 655 case V4L2_FIELD_SEQ_TB: 656 cx25821_risc_buffer(dev->pci, &buf->risc, 657 dma->sglist, 658 0, buf->bpl * (buf->vb.height >> 1), 659 buf->bpl, 0, buf->vb.height >> 1); 660 break; 661 case V4L2_FIELD_SEQ_BT: 662 cx25821_risc_buffer(dev->pci, &buf->risc, 663 dma->sglist, 664 buf->bpl * (buf->vb.height >> 1), 0, 665 buf->bpl, 0, buf->vb.height >> 1); 666 break; 667 default: 668 BUG(); 669 } 670 } 671 672 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 673 buf, buf->vb.i, fh->width, fh->height, fh->fmt->depth, 674 fh->fmt->name, (unsigned long)buf->risc.dma); 675 676 buf->vb.state = VIDEOBUF_PREPARED; 677 678 return 0; 679 680 fail: 681 cx25821_free_buffer(q, buf); 682 return rc; 683} 684 685void cx25821_buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) 686{ 687 struct cx25821_buffer *buf = 688 container_of(vb, struct cx25821_buffer, vb); 689 690 cx25821_free_buffer(q, buf); 691} 692 693struct videobuf_queue *get_queue(struct cx25821_fh *fh) 694{ 695 switch (fh->type) { 696 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 697 return &fh->vidq; 698 default: 699 BUG(); 700 return NULL; 701 } 702} 703 704int cx25821_get_resource(struct cx25821_fh *fh, int resource) 705{ 706 switch (fh->type) { 707 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 708 return resource; 709 default: 710 BUG(); 711 return 0; 712 } 713} 714 715int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma) 716{ 717 struct cx25821_fh *fh = file->private_data; 718 719 return videobuf_mmap_mapper(get_queue(fh), vma); 720} 721 722 723static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 724{ 725 struct cx25821_buffer *buf = 726 container_of(vb, struct cx25821_buffer, vb); 727 struct cx25821_buffer *prev; 728 struct cx25821_fh *fh = vq->priv_data; 729 struct cx25821_dev *dev = fh->dev; 730 struct cx25821_dmaqueue *q = &dev->channels[fh->channel_id].vidq; 731 732 /* add jump to stopper */ 733 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); 734 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); 735 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 736 737 dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); 738 739 if (!list_empty(&q->queued)) { 740 list_add_tail(&buf->vb.queue, &q->queued); 741 buf->vb.state = VIDEOBUF_QUEUED; 742 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, 743 buf->vb.i); 744 745 } else if (list_empty(&q->active)) { 746 list_add_tail(&buf->vb.queue, &q->active); 747 cx25821_start_video_dma(dev, q, buf, 748 dev->channels[fh->channel_id]. 749 sram_channels); 750 buf->vb.state = VIDEOBUF_ACTIVE; 751 buf->count = q->count++; 752 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); 753 dprintk(2, 754 "[%p/%d] buffer_queue - first active, buf cnt = %d, \ 755 q->count = %d\n", 756 buf, buf->vb.i, buf->count, q->count); 757 } else { 758 prev = 759 list_entry(q->active.prev, struct cx25821_buffer, vb.queue); 760 if (prev->vb.width == buf->vb.width 761 && prev->vb.height == buf->vb.height 762 && prev->fmt == buf->fmt) { 763 list_add_tail(&buf->vb.queue, &q->active); 764 buf->vb.state = VIDEOBUF_ACTIVE; 765 buf->count = q->count++; 766 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 767 768 /* 64 bit bits 63-32 */ 769 prev->risc.jmp[2] = cpu_to_le32(0); 770 dprintk(2, 771 "[%p/%d] buffer_queue - append to active, \ 772 buf->count=%d\n", 773 buf, buf->vb.i, buf->count); 774 775 } else { 776 list_add_tail(&buf->vb.queue, &q->queued); 777 buf->vb.state = VIDEOBUF_QUEUED; 778 dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, 779 buf->vb.i); 780 } 781 } 782 783 if (list_empty(&q->active)) 784 dprintk(2, "active queue empty!\n"); 785} 786 787static struct videobuf_queue_ops cx25821_video_qops = { 788 .buf_setup = cx25821_buffer_setup, 789 .buf_prepare = cx25821_buffer_prepare, 790 .buf_queue = buffer_queue, 791 .buf_release = cx25821_buffer_release, 792}; 793 794static int video_open(struct file *file) 795{ 796 struct video_device *vdev = video_devdata(file); 797 struct cx25821_dev *h, *dev = video_drvdata(file); 798 struct cx25821_fh *fh; 799 struct list_head *list; 800 int minor = video_devdata(file)->minor; 801 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 802 u32 pix_format; 803 int ch_id = 0; 804 int i; 805 806 dprintk(1, "open dev=%s type=%s\n", 807 video_device_node_name(vdev), 808 v4l2_type_names[type]); 809 810 /* allocate + initialize per filehandle data */ 811 fh = kzalloc(sizeof(*fh), GFP_KERNEL); 812 if (NULL == fh) 813 return -ENOMEM; 814 815 lock_kernel(); 816 817 list_for_each(list, &cx25821_devlist) 818 { 819 h = list_entry(list, struct cx25821_dev, devlist); 820 821 for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) { 822 if (h->channels[i].video_dev && 823 h->channels[i].video_dev->minor == minor) { 824 dev = h; 825 ch_id = i; 826 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 827 } 828 } 829 } 830 831 if (NULL == dev) { 832 unlock_kernel(); 833 return -ENODEV; 834 } 835 836 file->private_data = fh; 837 fh->dev = dev; 838 fh->type = type; 839 fh->width = 720; 840 fh->channel_id = ch_id; 841 842 if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) 843 fh->height = 576; 844 else 845 fh->height = 480; 846 847 dev->channel_opened = fh->channel_id; 848 pix_format = 849 (dev->channels[ch_id].pixel_formats == 850 PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; 851 fh->fmt = cx25821_format_by_fourcc(pix_format); 852 853 v4l2_prio_open(&dev->channels[ch_id].prio, &fh->prio); 854 855 videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, 856 &dev->pci->dev, &dev->slock, 857 V4L2_BUF_TYPE_VIDEO_CAPTURE, 858 V4L2_FIELD_INTERLACED, 859 sizeof(struct cx25821_buffer), fh); 860 861 dprintk(1, "post videobuf_queue_init()\n"); 862 unlock_kernel(); 863 864 return 0; 865} 866 867static ssize_t video_read(struct file *file, char __user * data, size_t count, 868 loff_t *ppos) 869{ 870 struct cx25821_fh *fh = file->private_data; 871 872 switch (fh->type) { 873 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 874 if (cx25821_res_locked(fh, RESOURCE_VIDEO0)) 875 return -EBUSY; 876 877 return videobuf_read_one(&fh->vidq, data, count, ppos, 878 file->f_flags & O_NONBLOCK); 879 880 default: 881 BUG(); 882 return 0; 883 } 884} 885 886static unsigned int video_poll(struct file *file, 887 struct poll_table_struct *wait) 888{ 889 struct cx25821_fh *fh = file->private_data; 890 struct cx25821_buffer *buf; 891 892 if (cx25821_res_check(fh, RESOURCE_VIDEO0)) { 893 /* streaming capture */ 894 if (list_empty(&fh->vidq.stream)) 895 return POLLERR; 896 buf = list_entry(fh->vidq.stream.next, 897 struct cx25821_buffer, vb.stream); 898 } else { 899 /* read() capture */ 900 buf = (struct cx25821_buffer *)fh->vidq.read_buf; 901 if (NULL == buf) 902 return POLLERR; 903 } 904 905 poll_wait(file, &buf->vb.done, wait); 906 if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) { 907 if (buf->vb.state == VIDEOBUF_DONE) { 908 struct cx25821_dev *dev = fh->dev; 909 910 if (dev && dev->channels[fh->channel_id] 911 .use_cif_resolution) { 912 u8 cam_id = *((char *)buf->vb.baddr + 3); 913 memcpy((char *)buf->vb.baddr, 914 (char *)buf->vb.baddr + (fh->width * 2), 915 (fh->width * 2)); 916 *((char *)buf->vb.baddr + 3) = cam_id; 917 } 918 } 919 920 return POLLIN | POLLRDNORM; 921 } 922 923 return 0; 924} 925 926static int video_release(struct file *file) 927{ 928 struct cx25821_fh *fh = file->private_data; 929 struct cx25821_dev *dev = fh->dev; 930 931 /* stop the risc engine and fifo */ 932 cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */ 933 934 /* stop video capture */ 935 if (cx25821_res_check(fh, RESOURCE_VIDEO0)) { 936 videobuf_queue_cancel(&fh->vidq); 937 cx25821_res_free(dev, fh, RESOURCE_VIDEO0); 938 } 939 940 if (fh->vidq.read_buf) { 941 cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf); 942 kfree(fh->vidq.read_buf); 943 } 944 945 videobuf_mmap_free(&fh->vidq); 946 947 v4l2_prio_close(&dev->channels[fh->channel_id].prio, fh->prio); 948 file->private_data = NULL; 949 kfree(fh); 950 951 return 0; 952} 953 954static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) 955{ 956 struct cx25821_fh *fh = priv; 957 struct cx25821_dev *dev = fh->dev; 958 959 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) 960 return -EINVAL; 961 962 if (unlikely(i != fh->type)) 963 return -EINVAL; 964 965 if (unlikely(!cx25821_res_get(dev, fh, 966 cx25821_get_resource(fh, RESOURCE_VIDEO0)))) 967 return -EBUSY; 968 969 return videobuf_streamon(get_queue(fh)); 970} 971 972static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 973{ 974 struct cx25821_fh *fh = priv; 975 struct cx25821_dev *dev = fh->dev; 976 int err, res; 977 978 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 979 return -EINVAL; 980 if (i != fh->type) 981 return -EINVAL; 982 983 res = cx25821_get_resource(fh, RESOURCE_VIDEO0); 984 err = videobuf_streamoff(get_queue(fh)); 985 if (err < 0) 986 return err; 987 cx25821_res_free(dev, fh, res); 988 return 0; 989} 990 991static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 992 struct v4l2_format *f) 993{ 994 struct cx25821_fh *fh = priv; 995 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 996 int err; 997 int pix_format = PIXEL_FRMT_422; 998 999 if (fh) { 1000 err = v4l2_prio_check(&dev->channels[fh->channel_id] 1001 .prio, fh->prio); 1002 if (0 != err) 1003 return err; 1004 } 1005 1006 dprintk(2, "%s()\n", __func__); 1007 err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f); 1008 1009 if (0 != err) 1010 return err; 1011 1012 fh->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); 1013 fh->vidq.field = f->fmt.pix.field; 1014 1015 /* check if width and height is valid based on set standard */ 1016 if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) 1017 fh->width = f->fmt.pix.width; 1018 1019 if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) 1020 fh->height = f->fmt.pix.height; 1021 1022 if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) 1023 pix_format = PIXEL_FRMT_411; 1024 else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) 1025 pix_format = PIXEL_FRMT_422; 1026 else 1027 return -EINVAL; 1028 1029 cx25821_set_pixel_format(dev, SRAM_CH00, pix_format); 1030 1031 /* check if cif resolution */ 1032 if (fh->width == 320 || fh->width == 352) 1033 dev->channels[fh->channel_id].use_cif_resolution = 1; 1034 else 1035 dev->channels[fh->channel_id].use_cif_resolution = 0; 1036 1037 dev->channels[fh->channel_id].cif_width = fh->width; 1038 medusa_set_resolution(dev, fh->width, SRAM_CH00); 1039 1040 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, 1041 fh->height, fh->vidq.field); 1042 cx25821_call_all(dev, video, s_fmt, f); 1043 1044 return 0; 1045} 1046 1047static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) 1048{ 1049 int ret_val = 0; 1050 struct cx25821_fh *fh = priv; 1051 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1052 1053 ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); 1054 1055 p->sequence = dev->channels[fh->channel_id].vidq.count; 1056 1057 return ret_val; 1058} 1059 1060static int vidioc_log_status(struct file *file, void *priv) 1061{ 1062 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1063 struct cx25821_fh *fh = priv; 1064 char name[32 + 2]; 1065 1066 struct sram_channel *sram_ch = dev->channels[fh->channel_id] 1067 .sram_channels; 1068 u32 tmp = 0; 1069 1070 snprintf(name, sizeof(name), "%s/2", dev->name); 1071 printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", 1072 dev->name); 1073 cx25821_call_all(dev, core, log_status); 1074 tmp = cx_read(sram_ch->dma_ctl); 1075 printk(KERN_INFO "Video input 0 is %s\n", 1076 (tmp & 0x11) ? "streaming" : "stopped"); 1077 printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", 1078 dev->name); 1079 return 0; 1080} 1081 1082static int vidioc_s_ctrl(struct file *file, void *priv, 1083 struct v4l2_control *ctl) 1084{ 1085 struct cx25821_fh *fh = priv; 1086 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1087 int err; 1088 1089 if (fh) { 1090 err = v4l2_prio_check(&dev->channels[fh->channel_id] 1091 .prio, fh->prio); 1092 if (0 != err) 1093 return err; 1094 } 1095 1096 return cx25821_set_control(dev, ctl, fh->channel_id); 1097} 1098 1099/* VIDEO IOCTLS */ 1100int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) 1101{ 1102 struct cx25821_fh *fh = priv; 1103 1104 f->fmt.pix.width = fh->width; 1105 f->fmt.pix.height = fh->height; 1106 f->fmt.pix.field = fh->vidq.field; 1107 f->fmt.pix.pixelformat = fh->fmt->fourcc; 1108 f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3; 1109 f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; 1110 1111 return 0; 1112} 1113 1114int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) 1115{ 1116 struct cx25821_fmt *fmt; 1117 enum v4l2_field field; 1118 unsigned int maxw, maxh; 1119 1120 fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); 1121 if (NULL == fmt) 1122 return -EINVAL; 1123 1124 field = f->fmt.pix.field; 1125 maxw = 720; 1126 maxh = 576; 1127 1128 if (V4L2_FIELD_ANY == field) { 1129 field = (f->fmt.pix.height > maxh / 2) 1130 ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 1131 } 1132 1133 switch (field) { 1134 case V4L2_FIELD_TOP: 1135 case V4L2_FIELD_BOTTOM: 1136 maxh = maxh / 2; 1137 break; 1138 case V4L2_FIELD_INTERLACED: 1139 break; 1140 default: 1141 return -EINVAL; 1142 } 1143 1144 f->fmt.pix.field = field; 1145 if (f->fmt.pix.height < 32) 1146 f->fmt.pix.height = 32; 1147 if (f->fmt.pix.height > maxh) 1148 f->fmt.pix.height = maxh; 1149 if (f->fmt.pix.width < 48) 1150 f->fmt.pix.width = 48; 1151 if (f->fmt.pix.width > maxw) 1152 f->fmt.pix.width = maxw; 1153 f->fmt.pix.width &= ~0x03; 1154 f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; 1155 f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; 1156 1157 return 0; 1158} 1159 1160int cx25821_vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) 1161{ 1162 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1163 1164 strcpy(cap->driver, "cx25821"); 1165 strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card)); 1166 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 1167 cap->version = CX25821_VERSION_CODE; 1168 cap->capabilities = 1169 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1170 if (UNSET != dev->tuner_type) 1171 cap->capabilities |= V4L2_CAP_TUNER; 1172 return 0; 1173} 1174 1175int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1176 struct v4l2_fmtdesc *f) 1177{ 1178 if (unlikely(f->index >= ARRAY_SIZE(formats))) 1179 return -EINVAL; 1180 1181 strlcpy(f->description, formats[f->index].name, sizeof(f->description)); 1182 f->pixelformat = formats[f->index].fourcc; 1183 1184 return 0; 1185} 1186 1187#ifdef CONFIG_VIDEO_V4L1_COMPAT 1188int cx25821_vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) 1189{ 1190 struct cx25821_fh *fh = priv; 1191 struct videobuf_queue *q; 1192 struct v4l2_requestbuffers req; 1193 unsigned int i; 1194 int err; 1195 1196 q = get_queue(fh); 1197 memset(&req, 0, sizeof(req)); 1198 req.type = q->type; 1199 req.count = 8; 1200 req.memory = V4L2_MEMORY_MMAP; 1201 err = videobuf_reqbufs(q, &req); 1202 if (err < 0) 1203 return err; 1204 1205 mbuf->frames = req.count; 1206 mbuf->size = 0; 1207 for (i = 0; i < mbuf->frames; i++) { 1208 mbuf->offsets[i] = q->bufs[i]->boff; 1209 mbuf->size += q->bufs[i]->bsize; 1210 } 1211 return 0; 1212} 1213#endif 1214 1215int cx25821_vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) 1216{ 1217 struct cx25821_fh *fh = priv; 1218 return videobuf_reqbufs(get_queue(fh), p); 1219} 1220 1221int cx25821_vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) 1222{ 1223 struct cx25821_fh *fh = priv; 1224 return videobuf_querybuf(get_queue(fh), p); 1225} 1226 1227int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) 1228{ 1229 struct cx25821_fh *fh = priv; 1230 return videobuf_qbuf(get_queue(fh), p); 1231} 1232 1233int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p) 1234{ 1235 struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; 1236 struct cx25821_fh *fh = f; 1237 1238 *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio); 1239 1240 return 0; 1241} 1242 1243int cx25821_vidioc_s_priority(struct file *file, void *f, enum v4l2_priority prio) 1244{ 1245 struct cx25821_fh *fh = f; 1246 struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; 1247 1248 return v4l2_prio_change(&dev->channels[fh->channel_id] 1249 .prio, &fh->prio, prio); 1250} 1251 1252#ifdef TUNER_FLAG 1253int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms) 1254{ 1255 struct cx25821_fh *fh = priv; 1256 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1257 int err; 1258 1259 dprintk(1, "%s()\n", __func__); 1260 1261 if (fh) { 1262 err = v4l2_prio_check(&dev->channels[fh->channel_id] 1263 .prio, fh->prio); 1264 if (0 != err) 1265 return err; 1266 } 1267 1268 if (dev->tvnorm == *tvnorms) { 1269 return 0; 1270 } 1271 1272 mutex_lock(&dev->lock); 1273 cx25821_set_tvnorm(dev, *tvnorms); 1274 mutex_unlock(&dev->lock); 1275 1276 medusa_set_videostandard(dev); 1277 1278 return 0; 1279} 1280#endif 1281 1282int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i) 1283{ 1284 static const char *iname[] = { 1285 [CX25821_VMUX_COMPOSITE] = "Composite", 1286 [CX25821_VMUX_SVIDEO] = "S-Video", 1287 [CX25821_VMUX_DEBUG] = "for debug only", 1288 }; 1289 unsigned int n; 1290 dprintk(1, "%s()\n", __func__); 1291 1292 n = i->index; 1293 if (n >= 2) 1294 return -EINVAL; 1295 1296 if (0 == INPUT(n)->type) 1297 return -EINVAL; 1298 1299 memset(i, 0, sizeof(*i)); 1300 i->index = n; 1301 i->type = V4L2_INPUT_TYPE_CAMERA; 1302 strcpy(i->name, iname[INPUT(n)->type]); 1303 1304 i->std = CX25821_NORMS; 1305 return 0; 1306} 1307 1308int cx25821_vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) 1309{ 1310 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1311 dprintk(1, "%s()\n", __func__); 1312 return cx25821_enum_input(dev, i); 1313} 1314 1315int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i) 1316{ 1317 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1318 1319 *i = dev->input; 1320 dprintk(1, "%s() returns %d\n", __func__, *i); 1321 return 0; 1322} 1323 1324int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i) 1325{ 1326 struct cx25821_fh *fh = priv; 1327 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1328 int err; 1329 1330 dprintk(1, "%s(%d)\n", __func__, i); 1331 1332 if (fh) { 1333 err = v4l2_prio_check(&dev->channels[fh->channel_id] 1334 .prio, fh->prio); 1335 if (0 != err) 1336 return err; 1337 } 1338 1339 if (i > 2) { 1340 dprintk(1, "%s() -EINVAL\n", __func__); 1341 return -EINVAL; 1342 } 1343 1344 mutex_lock(&dev->lock); 1345 cx25821_video_mux(dev, i); 1346 mutex_unlock(&dev->lock); 1347 return 0; 1348} 1349 1350#ifdef TUNER_FLAG 1351int cx25821_vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) 1352{ 1353 struct cx25821_fh *fh = priv; 1354 struct cx25821_dev *dev = fh->dev; 1355 1356 f->frequency = dev->freq; 1357 1358 cx25821_call_all(dev, tuner, g_frequency, f); 1359 1360 return 0; 1361} 1362 1363int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f) 1364{ 1365 mutex_lock(&dev->lock); 1366 dev->freq = f->frequency; 1367 1368 cx25821_call_all(dev, tuner, s_frequency, f); 1369 1370 /* When changing channels it is required to reset TVAUDIO */ 1371 msleep(10); 1372 1373 mutex_unlock(&dev->lock); 1374 1375 return 0; 1376} 1377 1378int cx25821_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) 1379{ 1380 struct cx25821_fh *fh = priv; 1381 struct cx25821_dev *dev; 1382 int err; 1383 1384 if (fh) { 1385 dev = fh->dev; 1386 err = v4l2_prio_check(&dev->channels[fh->channel_id] 1387 .prio, fh->prio); 1388 if (0 != err) 1389 return err; 1390 } else { 1391 printk(KERN_ERR "Invalid fh pointer!\n"); 1392 return -EINVAL; 1393 } 1394 1395 return cx25821_set_freq(dev, f); 1396} 1397#endif 1398 1399#ifdef CONFIG_VIDEO_ADV_DEBUG 1400int cx25821_vidioc_g_register(struct file *file, void *fh, 1401 struct v4l2_dbg_register *reg) 1402{ 1403 struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; 1404 1405 if (!v4l2_chip_match_host(®->match)) 1406 return -EINVAL; 1407 1408 cx25821_call_all(dev, core, g_register, reg); 1409 1410 return 0; 1411} 1412 1413int cx25821_vidioc_s_register(struct file *file, void *fh, 1414 struct v4l2_dbg_register *reg) 1415{ 1416 struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; 1417 1418 if (!v4l2_chip_match_host(®->match)) 1419 return -EINVAL; 1420 1421 cx25821_call_all(dev, core, s_register, reg); 1422 1423 return 0; 1424} 1425 1426#endif 1427 1428#ifdef TUNER_FLAG 1429int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) 1430{ 1431 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1432 1433 if (unlikely(UNSET == dev->tuner_type)) 1434 return -EINVAL; 1435 if (0 != t->index) 1436 return -EINVAL; 1437 1438 strcpy(t->name, "Television"); 1439 t->type = V4L2_TUNER_ANALOG_TV; 1440 t->capability = V4L2_TUNER_CAP_NORM; 1441 t->rangehigh = 0xffffffffUL; 1442 1443 t->signal = 0xffff; /* LOCKED */ 1444 return 0; 1445} 1446 1447int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) 1448{ 1449 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1450 struct cx25821_fh *fh = priv; 1451 int err; 1452 1453 if (fh) { 1454 err = v4l2_prio_check(&dev->channels[fh->channel_id] 1455 .prio, fh->prio); 1456 if (0 != err) 1457 return err; 1458 } 1459 1460 dprintk(1, "%s()\n", __func__); 1461 if (UNSET == dev->tuner_type) 1462 return -EINVAL; 1463 if (0 != t->index) 1464 return -EINVAL; 1465 1466 return 0; 1467} 1468 1469#endif 1470/*****************************************************************************/ 1471static const struct v4l2_queryctrl no_ctl = { 1472 .name = "42", 1473 .flags = V4L2_CTRL_FLAG_DISABLED, 1474}; 1475 1476static struct v4l2_queryctrl cx25821_ctls[] = { 1477 /* --- video --- */ 1478 { 1479 .id = V4L2_CID_BRIGHTNESS, 1480 .name = "Brightness", 1481 .minimum = 0, 1482 .maximum = 10000, 1483 .step = 1, 1484 .default_value = 6200, 1485 .type = V4L2_CTRL_TYPE_INTEGER, 1486 }, { 1487 .id = V4L2_CID_CONTRAST, 1488 .name = "Contrast", 1489 .minimum = 0, 1490 .maximum = 10000, 1491 .step = 1, 1492 .default_value = 5000, 1493 .type = V4L2_CTRL_TYPE_INTEGER, 1494 }, { 1495 .id = V4L2_CID_SATURATION, 1496 .name = "Saturation", 1497 .minimum = 0, 1498 .maximum = 10000, 1499 .step = 1, 1500 .default_value = 5000, 1501 .type = V4L2_CTRL_TYPE_INTEGER, 1502 }, { 1503 .id = V4L2_CID_HUE, 1504 .name = "Hue", 1505 .minimum = 0, 1506 .maximum = 10000, 1507 .step = 1, 1508 .default_value = 5000, 1509 .type = V4L2_CTRL_TYPE_INTEGER, 1510 } 1511}; 1512static const int CX25821_CTLS = ARRAY_SIZE(cx25821_ctls); 1513 1514static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) 1515{ 1516 int i; 1517 1518 if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1) 1519 return -EINVAL; 1520 for (i = 0; i < CX25821_CTLS; i++) 1521 if (cx25821_ctls[i].id == qctrl->id) 1522 break; 1523 if (i == CX25821_CTLS) { 1524 *qctrl = no_ctl; 1525 return 0; 1526 } 1527 *qctrl = cx25821_ctls[i]; 1528 return 0; 1529} 1530 1531int cx25821_vidioc_queryctrl(struct file *file, void *priv, 1532 struct v4l2_queryctrl *qctrl) 1533{ 1534 return cx25821_ctrl_query(qctrl); 1535} 1536 1537/* ------------------------------------------------------------------ */ 1538/* VIDEO CTRL IOCTLS */ 1539 1540static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) 1541{ 1542 unsigned int i; 1543 1544 for (i = 0; i < CX25821_CTLS; i++) 1545 if (cx25821_ctls[i].id == id) 1546 return cx25821_ctls + i; 1547 return NULL; 1548} 1549 1550int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl) 1551{ 1552 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1553 struct cx25821_fh *fh = priv; 1554 1555 const struct v4l2_queryctrl *ctrl; 1556 1557 ctrl = ctrl_by_id(ctl->id); 1558 1559 if (NULL == ctrl) 1560 return -EINVAL; 1561 switch (ctl->id) { 1562 case V4L2_CID_BRIGHTNESS: 1563 ctl->value = dev->channels[fh->channel_id].ctl_bright; 1564 break; 1565 case V4L2_CID_HUE: 1566 ctl->value = dev->channels[fh->channel_id].ctl_hue; 1567 break; 1568 case V4L2_CID_CONTRAST: 1569 ctl->value = dev->channels[fh->channel_id].ctl_contrast; 1570 break; 1571 case V4L2_CID_SATURATION: 1572 ctl->value = dev->channels[fh->channel_id].ctl_saturation; 1573 break; 1574 } 1575 return 0; 1576} 1577 1578int cx25821_set_control(struct cx25821_dev *dev, 1579 struct v4l2_control *ctl, int chan_num) 1580{ 1581 int err; 1582 const struct v4l2_queryctrl *ctrl; 1583 1584 err = -EINVAL; 1585 1586 ctrl = ctrl_by_id(ctl->id); 1587 1588 if (NULL == ctrl) 1589 return err; 1590 1591 switch (ctrl->type) { 1592 case V4L2_CTRL_TYPE_BOOLEAN: 1593 case V4L2_CTRL_TYPE_MENU: 1594 case V4L2_CTRL_TYPE_INTEGER: 1595 if (ctl->value < ctrl->minimum) 1596 ctl->value = ctrl->minimum; 1597 if (ctl->value > ctrl->maximum) 1598 ctl->value = ctrl->maximum; 1599 break; 1600 default: 1601 /* nothing */ ; 1602 }; 1603 1604 switch (ctl->id) { 1605 case V4L2_CID_BRIGHTNESS: 1606 dev->channels[chan_num].ctl_bright = ctl->value; 1607 medusa_set_brightness(dev, ctl->value, chan_num); 1608 break; 1609 case V4L2_CID_HUE: 1610 dev->channels[chan_num].ctl_hue = ctl->value; 1611 medusa_set_hue(dev, ctl->value, chan_num); 1612 break; 1613 case V4L2_CID_CONTRAST: 1614 dev->channels[chan_num].ctl_contrast = ctl->value; 1615 medusa_set_contrast(dev, ctl->value, chan_num); 1616 break; 1617 case V4L2_CID_SATURATION: 1618 dev->channels[chan_num].ctl_saturation = ctl->value; 1619 medusa_set_saturation(dev, ctl->value, chan_num); 1620 break; 1621 } 1622 1623 err = 0; 1624 1625 return err; 1626} 1627 1628static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num) 1629{ 1630 struct v4l2_control ctrl; 1631 int i; 1632 for (i = 0; i < CX25821_CTLS; i++) { 1633 ctrl.id = cx25821_ctls[i].id; 1634 ctrl.value = cx25821_ctls[i].default_value; 1635 1636 cx25821_set_control(dev, &ctrl, chan_num); 1637 } 1638} 1639 1640int cx25821_vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cropcap) 1641{ 1642 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1643 1644 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1645 return -EINVAL; 1646 cropcap->bounds.top = cropcap->bounds.left = 0; 1647 cropcap->bounds.width = 720; 1648 cropcap->bounds.height = dev->tvnorm == V4L2_STD_PAL_BG ? 576 : 480; 1649 cropcap->pixelaspect.numerator = 1650 dev->tvnorm == V4L2_STD_PAL_BG ? 59 : 10; 1651 cropcap->pixelaspect.denominator = 1652 dev->tvnorm == V4L2_STD_PAL_BG ? 54 : 11; 1653 cropcap->defrect = cropcap->bounds; 1654 return 0; 1655} 1656 1657int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop) 1658{ 1659 struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; 1660 struct cx25821_fh *fh = priv; 1661 int err; 1662 1663 if (fh) { 1664 err = v4l2_prio_check(&dev->channels[fh->channel_id]. 1665 prio, fh->prio); 1666 if (0 != err) 1667 return err; 1668 } 1669 /* cx25821_vidioc_s_crop not supported */ 1670 return -EINVAL; 1671} 1672 1673int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop) 1674{ 1675 /* cx25821_vidioc_g_crop not supported */ 1676 return -EINVAL; 1677} 1678 1679int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm) 1680{ 1681 /* medusa does not support video standard sensing of current input */ 1682 *norm = CX25821_NORMS; 1683 1684 return 0; 1685} 1686 1687int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm) 1688{ 1689 if (tvnorm == V4L2_STD_PAL_BG) { 1690 if (width == 352 || width == 720) 1691 return 1; 1692 else 1693 return 0; 1694 } 1695 1696 if (tvnorm == V4L2_STD_NTSC_M) { 1697 if (width == 320 || width == 352 || width == 720) 1698 return 1; 1699 else 1700 return 0; 1701 } 1702 return 0; 1703} 1704 1705int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm) 1706{ 1707 if (tvnorm == V4L2_STD_PAL_BG) { 1708 if (height == 576 || height == 288) 1709 return 1; 1710 else 1711 return 0; 1712 } 1713 1714 if (tvnorm == V4L2_STD_NTSC_M) { 1715 if (height == 480 || height == 240) 1716 return 1; 1717 else 1718 return 0; 1719 } 1720 1721 return 0; 1722} 1723 1724static long video_ioctl_upstream9(struct file *file, unsigned int cmd, 1725 unsigned long arg) 1726{ 1727 struct cx25821_fh *fh = file->private_data; 1728 struct cx25821_dev *dev = fh->dev; 1729 int command = 0; 1730 struct upstream_user_struct *data_from_user; 1731 1732 data_from_user = (struct upstream_user_struct *)arg; 1733 1734 if (!data_from_user) { 1735 printk 1736 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", 1737 __func__); 1738 return 0; 1739 } 1740 1741 command = data_from_user->command; 1742 1743 if (command != UPSTREAM_START_VIDEO && 1744 command != UPSTREAM_STOP_VIDEO) 1745 return 0; 1746 1747 dev->input_filename = data_from_user->input_filename; 1748 dev->input_audiofilename = data_from_user->input_filename; 1749 dev->vid_stdname = data_from_user->vid_stdname; 1750 dev->pixel_format = data_from_user->pixel_format; 1751 dev->channel_select = data_from_user->channel_select; 1752 dev->command = data_from_user->command; 1753 1754 switch (command) { 1755 case UPSTREAM_START_VIDEO: 1756 cx25821_start_upstream_video_ch1(dev, data_from_user); 1757 break; 1758 1759 case UPSTREAM_STOP_VIDEO: 1760 cx25821_stop_upstream_video_ch1(dev); 1761 break; 1762 } 1763 1764 return 0; 1765} 1766 1767static long video_ioctl_upstream10(struct file *file, unsigned int cmd, 1768 unsigned long arg) 1769{ 1770 struct cx25821_fh *fh = file->private_data; 1771 struct cx25821_dev *dev = fh->dev; 1772 int command = 0; 1773 struct upstream_user_struct *data_from_user; 1774 1775 data_from_user = (struct upstream_user_struct *)arg; 1776 1777 if (!data_from_user) { 1778 printk 1779 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", 1780 __func__); 1781 return 0; 1782 } 1783 1784 command = data_from_user->command; 1785 1786 if (command != UPSTREAM_START_VIDEO && 1787 command != UPSTREAM_STOP_VIDEO) 1788 return 0; 1789 1790 dev->input_filename_ch2 = data_from_user->input_filename; 1791 dev->input_audiofilename = data_from_user->input_filename; 1792 dev->vid_stdname_ch2 = data_from_user->vid_stdname; 1793 dev->pixel_format_ch2 = data_from_user->pixel_format; 1794 dev->channel_select_ch2 = data_from_user->channel_select; 1795 dev->command_ch2 = data_from_user->command; 1796 1797 switch (command) { 1798 case UPSTREAM_START_VIDEO: 1799 cx25821_start_upstream_video_ch2(dev, data_from_user); 1800 break; 1801 1802 case UPSTREAM_STOP_VIDEO: 1803 cx25821_stop_upstream_video_ch2(dev); 1804 break; 1805 } 1806 1807 return 0; 1808} 1809 1810static long video_ioctl_upstream11(struct file *file, unsigned int cmd, 1811 unsigned long arg) 1812{ 1813 struct cx25821_fh *fh = file->private_data; 1814 struct cx25821_dev *dev = fh->dev; 1815 int command = 0; 1816 struct upstream_user_struct *data_from_user; 1817 1818 data_from_user = (struct upstream_user_struct *)arg; 1819 1820 if (!data_from_user) { 1821 printk 1822 ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", 1823 __func__); 1824 return 0; 1825 } 1826 1827 command = data_from_user->command; 1828 1829 if (command != UPSTREAM_START_AUDIO && 1830 command != UPSTREAM_STOP_AUDIO) 1831 return 0; 1832 1833 dev->input_filename = data_from_user->input_filename; 1834 dev->input_audiofilename = data_from_user->input_filename; 1835 dev->vid_stdname = data_from_user->vid_stdname; 1836 dev->pixel_format = data_from_user->pixel_format; 1837 dev->channel_select = data_from_user->channel_select; 1838 dev->command = data_from_user->command; 1839 1840 switch (command) { 1841 case UPSTREAM_START_AUDIO: 1842 cx25821_start_upstream_audio(dev, data_from_user); 1843 break; 1844 1845 case UPSTREAM_STOP_AUDIO: 1846 cx25821_stop_upstream_audio(dev); 1847 break; 1848 } 1849 1850 return 0; 1851} 1852 1853static long video_ioctl_set(struct file *file, unsigned int cmd, 1854 unsigned long arg) 1855{ 1856 struct cx25821_fh *fh = file->private_data; 1857 struct cx25821_dev *dev = fh->dev; 1858 struct downstream_user_struct *data_from_user; 1859 int command; 1860 int width = 720; 1861 int selected_channel = 0, pix_format = 0, i = 0; 1862 int cif_enable = 0, cif_width = 0; 1863 u32 value = 0; 1864 1865 data_from_user = (struct downstream_user_struct *)arg; 1866 1867 if (!data_from_user) { 1868 printk( 1869 "cx25821 in %s(): User data is INVALID. Returning.\n", 1870 __func__); 1871 return 0; 1872 } 1873 1874 command = data_from_user->command; 1875 1876 if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT 1877 && command != ENABLE_CIF_RESOLUTION && command != REG_READ 1878 && command != REG_WRITE && command != MEDUSA_READ 1879 && command != MEDUSA_WRITE) { 1880 return 0; 1881 } 1882 1883 switch (command) { 1884 case SET_VIDEO_STD: 1885 dev->tvnorm = 1886 !strcmp(data_from_user->vid_stdname, 1887 "PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M; 1888 medusa_set_videostandard(dev); 1889 break; 1890 1891 case SET_PIXEL_FORMAT: 1892 selected_channel = data_from_user->decoder_select; 1893 pix_format = data_from_user->pixel_format; 1894 1895 if (!(selected_channel <= 7 && selected_channel >= 0)) { 1896 selected_channel -= 4; 1897 selected_channel = selected_channel % 8; 1898 } 1899 1900 if (selected_channel >= 0) 1901 cx25821_set_pixel_format(dev, selected_channel, 1902 pix_format); 1903 1904 break; 1905 1906 case ENABLE_CIF_RESOLUTION: 1907 selected_channel = data_from_user->decoder_select; 1908 cif_enable = data_from_user->cif_resolution_enable; 1909 cif_width = data_from_user->cif_width; 1910 1911 if (cif_enable) { 1912 if (dev->tvnorm & V4L2_STD_PAL_BG 1913 || dev->tvnorm & V4L2_STD_PAL_DK) 1914 width = 352; 1915 else 1916 width = (cif_width == 320 1917 || cif_width == 352) ? cif_width : 320; 1918 } 1919 1920 if (!(selected_channel <= 7 && selected_channel >= 0)) { 1921 selected_channel -= 4; 1922 selected_channel = selected_channel % 8; 1923 } 1924 1925 if (selected_channel <= 7 && selected_channel >= 0) { 1926 dev->channels[selected_channel]. 1927 use_cif_resolution = cif_enable; 1928 dev->channels[selected_channel].cif_width = width; 1929 } else { 1930 for (i = 0; i < VID_CHANNEL_NUM; i++) { 1931 dev->channels[i].use_cif_resolution = 1932 cif_enable; 1933 dev->channels[i].cif_width = width; 1934 } 1935 } 1936 1937 medusa_set_resolution(dev, width, selected_channel); 1938 break; 1939 case REG_READ: 1940 data_from_user->reg_data = cx_read(data_from_user->reg_address); 1941 break; 1942 case REG_WRITE: 1943 cx_write(data_from_user->reg_address, data_from_user->reg_data); 1944 break; 1945 case MEDUSA_READ: 1946 value = 1947 cx25821_i2c_read(&dev->i2c_bus[0], 1948 (u16) data_from_user->reg_address, 1949 &data_from_user->reg_data); 1950 break; 1951 case MEDUSA_WRITE: 1952 cx25821_i2c_write(&dev->i2c_bus[0], 1953 (u16) data_from_user->reg_address, 1954 data_from_user->reg_data); 1955 break; 1956 } 1957 1958 return 0; 1959} 1960 1961static long cx25821_video_ioctl(struct file *file, 1962 unsigned int cmd, unsigned long arg) 1963{ 1964 int ret = 0; 1965 1966 struct cx25821_fh *fh = file->private_data; 1967 1968 /* check to see if it's the video upstream */ 1969 if (fh->channel_id == SRAM_CH09) { 1970 ret = video_ioctl_upstream9(file, cmd, arg); 1971 return ret; 1972 } else if (fh->channel_id == SRAM_CH10) { 1973 ret = video_ioctl_upstream10(file, cmd, arg); 1974 return ret; 1975 } else if (fh->channel_id == SRAM_CH11) { 1976 ret = video_ioctl_upstream11(file, cmd, arg); 1977 ret = video_ioctl_set(file, cmd, arg); 1978 return ret; 1979 } 1980 1981 return video_ioctl2(file, cmd, arg); 1982} 1983 1984/* exported stuff */ 1985static const struct v4l2_file_operations video_fops = { 1986 .owner = THIS_MODULE, 1987 .open = video_open, 1988 .release = video_release, 1989 .read = video_read, 1990 .poll = video_poll, 1991 .mmap = cx25821_video_mmap, 1992 .ioctl = cx25821_video_ioctl, 1993}; 1994 1995static const struct v4l2_ioctl_ops video_ioctl_ops = { 1996 .vidioc_querycap = cx25821_vidioc_querycap, 1997 .vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap, 1998 .vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap, 1999 .vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap, 2000 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 2001 .vidioc_reqbufs = cx25821_vidioc_reqbufs, 2002 .vidioc_querybuf = cx25821_vidioc_querybuf, 2003 .vidioc_qbuf = cx25821_vidioc_qbuf, 2004 .vidioc_dqbuf = vidioc_dqbuf, 2005#ifdef TUNER_FLAG 2006 .vidioc_s_std = cx25821_vidioc_s_std, 2007 .vidioc_querystd = cx25821_vidioc_querystd, 2008#endif 2009 .vidioc_cropcap = cx25821_vidioc_cropcap, 2010 .vidioc_s_crop = cx25821_vidioc_s_crop, 2011 .vidioc_g_crop = cx25821_vidioc_g_crop, 2012 .vidioc_enum_input = cx25821_vidioc_enum_input, 2013 .vidioc_g_input = cx25821_vidioc_g_input, 2014 .vidioc_s_input = cx25821_vidioc_s_input, 2015 .vidioc_g_ctrl = cx25821_vidioc_g_ctrl, 2016 .vidioc_s_ctrl = vidioc_s_ctrl, 2017 .vidioc_queryctrl = cx25821_vidioc_queryctrl, 2018 .vidioc_streamon = vidioc_streamon, 2019 .vidioc_streamoff = vidioc_streamoff, 2020 .vidioc_log_status = vidioc_log_status, 2021 .vidioc_g_priority = cx25821_vidioc_g_priority, 2022 .vidioc_s_priority = cx25821_vidioc_s_priority, 2023#ifdef CONFIG_VIDEO_V4L1_COMPAT 2024 .vidiocgmbuf = cx25821_vidiocgmbuf, 2025#endif 2026#ifdef TUNER_FLAG 2027 .vidioc_g_tuner = cx25821_vidioc_g_tuner, 2028 .vidioc_s_tuner = cx25821_vidioc_s_tuner, 2029 .vidioc_g_frequency = cx25821_vidioc_g_frequency, 2030 .vidioc_s_frequency = cx25821_vidioc_s_frequency, 2031#endif 2032#ifdef CONFIG_VIDEO_ADV_DEBUG 2033 .vidioc_g_register = cx25821_vidioc_g_register, 2034 .vidioc_s_register = cx25821_vidioc_s_register, 2035#endif 2036}; 2037 2038struct video_device cx25821_videoioctl_template = { 2039 .name = "cx25821-videoioctl", 2040 .fops = &video_fops, 2041 .ioctl_ops = &video_ioctl_ops, 2042 .tvnorms = CX25821_NORMS, 2043 .current_norm = V4L2_STD_NTSC_M, 2044}; 2045