drivers/media/pci/cx18/cx18-ioctl.c

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
cx18_service2vbi
valid_service_line
select_service_from_set
cx18_expand_service_set
check_service_set
cx18_get_service_set
cx18_g_fmt_vid_cap
cx18_g_fmt_vbi_cap
cx18_g_fmt_sliced_vbi_cap
cx18_try_fmt_vid_cap
cx18_try_fmt_vbi_cap
cx18_try_fmt_sliced_vbi_cap
cx18_s_fmt_vid_cap
cx18_s_fmt_vbi_cap
cx18_s_fmt_sliced_vbi_cap
cx18_g_register
cx18_s_register
cx18_querycap
cx18_enumaudio
cx18_g_audio
cx18_s_audio
cx18_enum_input
cx18_g_pixelaspect
cx18_g_selection
cx18_enum_fmt_vid_cap
cx18_g_input
cx18_s_input
cx18_g_frequency
cx18_s_frequency
cx18_g_std
cx18_s_std
cx18_s_tuner
cx18_g_tuner
cx18_g_sliced_vbi_cap
_cx18_process_idx_data
cx18_process_idx_data
cx18_g_enc_index
cx18_vb_queue
cx18_streamon
cx18_streamoff
cx18_reqbufs
cx18_querybuf
cx18_qbuf
cx18_dqbuf
cx18_encoder_cmd
cx18_try_encoder_cmd
cx18_log_status
cx18_default
cx18_set_funcs
   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  cx18 ioctl system call
   4  *
   5  *  Derived from ivtv-ioctl.c
   6  *
   7  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
   8  *  Copyright (C) 2008  Andy Walls <awalls@md.metrocast.net>
   9  */
  10 
  11 #include "cx18-driver.h"
  12 #include "cx18-io.h"
  13 #include "cx18-version.h"
  14 #include "cx18-mailbox.h"
  15 #include "cx18-i2c.h"
  16 #include "cx18-queue.h"
  17 #include "cx18-fileops.h"
  18 #include "cx18-vbi.h"
  19 #include "cx18-audio.h"
  20 #include "cx18-video.h"
  21 #include "cx18-streams.h"
  22 #include "cx18-ioctl.h"
  23 #include "cx18-gpio.h"
  24 #include "cx18-controls.h"
  25 #include "cx18-cards.h"
  26 #include "cx18-av-core.h"
  27 #include <media/tveeprom.h>
  28 #include <media/v4l2-event.h>
  29 
  30 u16 cx18_service2vbi(int type)
  31 {
  32         switch (type) {
  33         case V4L2_SLICED_TELETEXT_B:
  34                 return CX18_SLICED_TYPE_TELETEXT_B;
  35         case V4L2_SLICED_CAPTION_525:
  36                 return CX18_SLICED_TYPE_CAPTION_525;
  37         case V4L2_SLICED_WSS_625:
  38                 return CX18_SLICED_TYPE_WSS_625;
  39         case V4L2_SLICED_VPS:
  40                 return CX18_SLICED_TYPE_VPS;
  41         default:
  42                 return 0;
  43         }
  44 }
  45 
  46 /* Check if VBI services are allowed on the (field, line) for the video std */
  47 static int valid_service_line(int field, int line, int is_pal)
  48 {
  49         return (is_pal && line >= 6 &&
  50                 ((field == 0 && line <= 23) || (field == 1 && line <= 22))) ||
  51                (!is_pal && line >= 10 && line < 22);
  52 }
  53 
  54 /*
  55  * For a (field, line, std) and inbound potential set of services for that line,
  56  * return the first valid service of those passed in the incoming set for that
  57  * line in priority order:
  58  * CC, VPS, or WSS over TELETEXT for well known lines
  59  * TELETEXT, before VPS, before CC, before WSS, for other lines
  60  */
  61 static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
  62 {
  63         u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
  64         int i;
  65 
  66         set = set & valid_set;
  67         if (set == 0 || !valid_service_line(field, line, is_pal))
  68                 return 0;
  69         if (!is_pal) {
  70                 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
  71                         return V4L2_SLICED_CAPTION_525;
  72         } else {
  73                 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
  74                         return V4L2_SLICED_VPS;
  75                 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
  76                         return V4L2_SLICED_WSS_625;
  77                 if (line == 23)
  78                         return 0;
  79         }
  80         for (i = 0; i < 32; i++) {
  81                 if (BIT(i) & set)
  82                         return 1 << i;
  83         }
  84         return 0;
  85 }
  86 
  87 /*
  88  * Expand the service_set of *fmt into valid service_lines for the std,
  89  * and clear the passed in fmt->service_set
  90  */
  91 void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
  92 {
  93         u16 set = fmt->service_set;
  94         int f, l;
  95 
  96         fmt->service_set = 0;
  97         for (f = 0; f < 2; f++) {
  98                 for (l = 0; l < 24; l++)
  99                         fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
 100         }
 101 }
 102 
 103 /*
 104  * Sanitize the service_lines in *fmt per the video std, and return 1
 105  * if any service_line is left as valid after santization
 106  */
 107 static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
 108 {
 109         int f, l;
 110         u16 set = 0;
 111 
 112         for (f = 0; f < 2; f++) {
 113                 for (l = 0; l < 24; l++) {
 114                         fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
 115                         set |= fmt->service_lines[f][l];
 116                 }
 117         }
 118         return set != 0;
 119 }
 120 
 121 /* Compute the service_set from the assumed valid service_lines of *fmt */
 122 u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
 123 {
 124         int f, l;
 125         u16 set = 0;
 126 
 127         for (f = 0; f < 2; f++) {
 128                 for (l = 0; l < 24; l++)
 129                         set |= fmt->service_lines[f][l];
 130         }
 131         return set;
 132 }
 133 
 134 static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
 135                                 struct v4l2_format *fmt)
 136 {
 137         struct cx18_open_id *id = fh2id(fh);
 138         struct cx18 *cx = id->cx;
 139         struct cx18_stream *s = &cx->streams[id->type];
 140         struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
 141 
 142         pixfmt->width = cx->cxhdl.width;
 143         pixfmt->height = cx->cxhdl.height;
 144         pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 145         pixfmt->field = V4L2_FIELD_INTERLACED;
 146         if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
 147                 pixfmt->pixelformat = s->pixelformat;
 148                 pixfmt->sizeimage = s->vb_bytes_per_frame;
 149                 pixfmt->bytesperline = s->vb_bytes_per_line;
 150         } else {
 151                 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
 152                 pixfmt->sizeimage = 128 * 1024;
 153                 pixfmt->bytesperline = 0;
 154         }
 155         return 0;
 156 }
 157 
 158 static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
 159                                 struct v4l2_format *fmt)
 160 {
 161         struct cx18 *cx = fh2id(fh)->cx;
 162         struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
 163 
 164         vbifmt->sampling_rate = 27000000;
 165         vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */
 166         vbifmt->samples_per_line = VBI_ACTIVE_SAMPLES - 4;
 167         vbifmt->sample_format = V4L2_PIX_FMT_GREY;
 168         vbifmt->start[0] = cx->vbi.start[0];
 169         vbifmt->start[1] = cx->vbi.start[1];
 170         vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count;
 171         vbifmt->flags = 0;
 172         vbifmt->reserved[0] = 0;
 173         vbifmt->reserved[1] = 0;
 174         return 0;
 175 }
 176 
 177 static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
 178                                         struct v4l2_format *fmt)
 179 {
 180         struct cx18 *cx = fh2id(fh)->cx;
 181         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 182 
 183         /* sane, V4L2 spec compliant, defaults */
 184         vbifmt->reserved[0] = 0;
 185         vbifmt->reserved[1] = 0;
 186         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 187         memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
 188         vbifmt->service_set = 0;
 189 
 190         /*
 191          * Fetch the configured service_lines and total service_set from the
 192          * digitizer/slicer.  Note, cx18_av_vbi() wipes the passed in
 193          * fmt->fmt.sliced under valid calling conditions
 194          */
 195         if (v4l2_subdev_call(cx->sd_av, vbi, g_sliced_fmt, &fmt->fmt.sliced))
 196                 return -EINVAL;
 197 
 198         vbifmt->service_set = cx18_get_service_set(vbifmt);
 199         return 0;
 200 }
 201 
 202 static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
 203                                 struct v4l2_format *fmt)
 204 {
 205         struct cx18_open_id *id = fh2id(fh);
 206         struct cx18 *cx = id->cx;
 207         int w = fmt->fmt.pix.width;
 208         int h = fmt->fmt.pix.height;
 209         int min_h = 2;
 210 
 211         w = min(w, 720);
 212         w = max(w, 2);
 213         if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
 214                 /* YUV height must be a multiple of 32 */
 215                 h &= ~0x1f;
 216                 min_h = 32;
 217         }
 218         h = min(h, cx->is_50hz ? 576 : 480);
 219         h = max(h, min_h);
 220 
 221         fmt->fmt.pix.width = w;
 222         fmt->fmt.pix.height = h;
 223         return 0;
 224 }
 225 
 226 static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
 227                                 struct v4l2_format *fmt)
 228 {
 229         return cx18_g_fmt_vbi_cap(file, fh, fmt);
 230 }
 231 
 232 static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
 233                                         struct v4l2_format *fmt)
 234 {
 235         struct cx18 *cx = fh2id(fh)->cx;
 236         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 237 
 238         vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
 239         vbifmt->reserved[0] = 0;
 240         vbifmt->reserved[1] = 0;
 241 
 242         /* If given a service set, expand it validly & clear passed in set */
 243         if (vbifmt->service_set)
 244                 cx18_expand_service_set(vbifmt, cx->is_50hz);
 245         /* Sanitize the service_lines, and compute the new set if any valid */
 246         if (check_service_set(vbifmt, cx->is_50hz))
 247                 vbifmt->service_set = cx18_get_service_set(vbifmt);
 248         return 0;
 249 }
 250 
 251 static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
 252                                 struct v4l2_format *fmt)
 253 {
 254         struct cx18_open_id *id = fh2id(fh);
 255         struct cx18 *cx = id->cx;
 256         struct v4l2_subdev_format format = {
 257                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 258         };
 259         struct cx18_stream *s = &cx->streams[id->type];
 260         int ret;
 261         int w, h;
 262 
 263         ret = cx18_try_fmt_vid_cap(file, fh, fmt);
 264         if (ret)
 265                 return ret;
 266         w = fmt->fmt.pix.width;
 267         h = fmt->fmt.pix.height;
 268 
 269         if (cx->cxhdl.width == w && cx->cxhdl.height == h &&
 270             s->pixelformat == fmt->fmt.pix.pixelformat)
 271                 return 0;
 272 
 273         if (atomic_read(&cx->ana_capturing) > 0)
 274                 return -EBUSY;
 275 
 276         s->pixelformat = fmt->fmt.pix.pixelformat;
 277         /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
 278            UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */
 279         if (s->pixelformat == V4L2_PIX_FMT_HM12) {
 280                 s->vb_bytes_per_frame = h * 720 * 3 / 2;
 281                 s->vb_bytes_per_line = 720; /* First plane */
 282         } else {
 283                 s->vb_bytes_per_frame = h * 720 * 2;
 284                 s->vb_bytes_per_line = 1440; /* Packed */
 285         }
 286 
 287         format.format.width = cx->cxhdl.width = w;
 288         format.format.height = cx->cxhdl.height = h;
 289         format.format.code = MEDIA_BUS_FMT_FIXED;
 290         v4l2_subdev_call(cx->sd_av, pad, set_fmt, NULL, &format);
 291         return cx18_g_fmt_vid_cap(file, fh, fmt);
 292 }
 293 
 294 static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
 295                                 struct v4l2_format *fmt)
 296 {
 297         struct cx18_open_id *id = fh2id(fh);
 298         struct cx18 *cx = id->cx;
 299         int ret;
 300 
 301         /*
 302          * Changing the Encoder's Raw VBI parameters won't have any effect
 303          * if any analog capture is ongoing
 304          */
 305         if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
 306                 return -EBUSY;
 307 
 308         /*
 309          * Set the digitizer registers for raw active VBI.
 310          * Note cx18_av_vbi_wipes out a lot of the passed in fmt under valid
 311          * calling conditions
 312          */
 313         ret = v4l2_subdev_call(cx->sd_av, vbi, s_raw_fmt, &fmt->fmt.vbi);
 314         if (ret)
 315                 return ret;
 316 
 317         /* Store our new v4l2 (non-)sliced VBI state */
 318         cx->vbi.sliced_in->service_set = 0;
 319         cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
 320 
 321         return cx18_g_fmt_vbi_cap(file, fh, fmt);
 322 }
 323 
 324 static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
 325                                         struct v4l2_format *fmt)
 326 {
 327         struct cx18_open_id *id = fh2id(fh);
 328         struct cx18 *cx = id->cx;
 329         int ret;
 330         struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 331 
 332         cx18_try_fmt_sliced_vbi_cap(file, fh, fmt);
 333 
 334         /*
 335          * Changing the Encoder's Raw VBI parameters won't have any effect
 336          * if any analog capture is ongoing
 337          */
 338         if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
 339                 return -EBUSY;
 340 
 341         /*
 342          * Set the service_lines requested in the digitizer/slicer registers.
 343          * Note, cx18_av_vbi() wipes some "impossible" service lines in the
 344          * passed in fmt->fmt.sliced under valid calling conditions
 345          */
 346         ret = v4l2_subdev_call(cx->sd_av, vbi, s_sliced_fmt, &fmt->fmt.sliced);
 347         if (ret)
 348                 return ret;
 349         /* Store our current v4l2 sliced VBI settings */
 350         cx->vbi.in.type =  V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
 351         memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
 352         return 0;
 353 }
 354 
 355 #ifdef CONFIG_VIDEO_ADV_DEBUG
 356 static int cx18_g_register(struct file *file, void *fh,
 357                                 struct v4l2_dbg_register *reg)
 358 {
 359         struct cx18 *cx = fh2id(fh)->cx;
 360 
 361         if (reg->reg & 0x3)
 362                 return -EINVAL;
 363         if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
 364                 return -EINVAL;
 365         reg->size = 4;
 366         reg->val = cx18_read_enc(cx, reg->reg);
 367         return 0;
 368 }
 369 
 370 static int cx18_s_register(struct file *file, void *fh,
 371                                 const struct v4l2_dbg_register *reg)
 372 {
 373         struct cx18 *cx = fh2id(fh)->cx;
 374 
 375         if (reg->reg & 0x3)
 376                 return -EINVAL;
 377         if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
 378                 return -EINVAL;
 379         cx18_write_enc(cx, reg->val, reg->reg);
 380         return 0;
 381 }
 382 #endif
 383 
 384 static int cx18_querycap(struct file *file, void *fh,
 385                                 struct v4l2_capability *vcap)
 386 {
 387         struct cx18_open_id *id = fh2id(fh);
 388         struct cx18 *cx = id->cx;
 389 
 390         strscpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 391         strscpy(vcap->card, cx->card_name, sizeof(vcap->card));
 392         snprintf(vcap->bus_info, sizeof(vcap->bus_info),
 393                  "PCI:%s", pci_name(cx->pci_dev));
 394         vcap->capabilities = cx->v4l2_cap | V4L2_CAP_DEVICE_CAPS;
 395         return 0;
 396 }
 397 
 398 static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 399 {
 400         struct cx18 *cx = fh2id(fh)->cx;
 401 
 402         return cx18_get_audio_input(cx, vin->index, vin);
 403 }
 404 
 405 static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 406 {
 407         struct cx18 *cx = fh2id(fh)->cx;
 408 
 409         vin->index = cx->audio_input;
 410         return cx18_get_audio_input(cx, vin->index, vin);
 411 }
 412 
 413 static int cx18_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout)
 414 {
 415         struct cx18 *cx = fh2id(fh)->cx;
 416 
 417         if (vout->index >= cx->nof_audio_inputs)
 418                 return -EINVAL;
 419         cx->audio_input = vout->index;
 420         cx18_audio_set_io(cx);
 421         return 0;
 422 }
 423 
 424 static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 425 {
 426         struct cx18 *cx = fh2id(fh)->cx;
 427 
 428         /* set it to defaults from our table */
 429         return cx18_get_input(cx, vin->index, vin);
 430 }
 431 
 432 static int cx18_g_pixelaspect(struct file *file, void *fh,
 433                               int type, struct v4l2_fract *f)
 434 {
 435         struct cx18 *cx = fh2id(fh)->cx;
 436 
 437         if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 438                 return -EINVAL;
 439 
 440         f->numerator = cx->is_50hz ? 54 : 11;
 441         f->denominator = cx->is_50hz ? 59 : 10;
 442         return 0;
 443 }
 444 
 445 static int cx18_g_selection(struct file *file, void *fh,
 446                             struct v4l2_selection *sel)
 447 {
 448         struct cx18 *cx = fh2id(fh)->cx;
 449 
 450         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 451                 return -EINVAL;
 452         switch (sel->target) {
 453         case V4L2_SEL_TGT_CROP_BOUNDS:
 454         case V4L2_SEL_TGT_CROP_DEFAULT:
 455                 sel->r.top = sel->r.left = 0;
 456                 sel->r.width = 720;
 457                 sel->r.height = cx->is_50hz ? 576 : 480;
 458                 break;
 459         default:
 460                 return -EINVAL;
 461         }
 462         return 0;
 463 }
 464 
 465 static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
 466                                         struct v4l2_fmtdesc *fmt)
 467 {
 468         static const struct v4l2_fmtdesc formats[] = {
 469                 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
 470                   "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
 471                 },
 472                 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
 473                   "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
 474                 },
 475                 { 2, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
 476                   "UYVY 4:2:2", V4L2_PIX_FMT_UYVY, { 0, 0, 0, 0 }
 477                 },
 478         };
 479 
 480         if (fmt->index > ARRAY_SIZE(formats) - 1)
 481                 return -EINVAL;
 482         *fmt = formats[fmt->index];
 483         return 0;
 484 }
 485 
 486 static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
 487 {
 488         struct cx18 *cx = fh2id(fh)->cx;
 489 
 490         *i = cx->active_input;
 491         return 0;
 492 }
 493 
 494 int cx18_s_input(struct file *file, void *fh, unsigned int inp)
 495 {
 496         struct cx18_open_id *id = fh2id(fh);
 497         struct cx18 *cx = id->cx;
 498         v4l2_std_id std = V4L2_STD_ALL;
 499         const struct cx18_card_video_input *card_input =
 500                                 cx->card->video_inputs + inp;
 501 
 502         if (inp >= cx->nof_inputs)
 503                 return -EINVAL;
 504 
 505         if (inp == cx->active_input) {
 506                 CX18_DEBUG_INFO("Input unchanged\n");
 507                 return 0;
 508         }
 509 
 510         CX18_DEBUG_INFO("Changing input from %d to %d\n",
 511                         cx->active_input, inp);
 512 
 513         cx->active_input = inp;
 514         /* Set the audio input to whatever is appropriate for the input type. */
 515         cx->audio_input = cx->card->video_inputs[inp].audio_index;
 516         if (card_input->video_type == V4L2_INPUT_TYPE_TUNER)
 517                 std = cx->tuner_std;
 518         cx->streams[CX18_ENC_STREAM_TYPE_MPG].video_dev.tvnorms = std;
 519         cx->streams[CX18_ENC_STREAM_TYPE_YUV].video_dev.tvnorms = std;
 520         cx->streams[CX18_ENC_STREAM_TYPE_VBI].video_dev.tvnorms = std;
 521 
 522         /* prevent others from messing with the streams until
 523            we're finished changing inputs. */
 524         cx18_mute(cx);
 525         cx18_video_set_io(cx);
 526         cx18_audio_set_io(cx);
 527         cx18_unmute(cx);
 528         return 0;
 529 }
 530 
 531 static int cx18_g_frequency(struct file *file, void *fh,
 532                                 struct v4l2_frequency *vf)
 533 {
 534         struct cx18 *cx = fh2id(fh)->cx;
 535 
 536         if (vf->tuner != 0)
 537                 return -EINVAL;
 538 
 539         cx18_call_all(cx, tuner, g_frequency, vf);
 540         return 0;
 541 }
 542 
 543 int cx18_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf)
 544 {
 545         struct cx18_open_id *id = fh2id(fh);
 546         struct cx18 *cx = id->cx;
 547 
 548         if (vf->tuner != 0)
 549                 return -EINVAL;
 550 
 551         cx18_mute(cx);
 552         CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
 553         cx18_call_all(cx, tuner, s_frequency, vf);
 554         cx18_unmute(cx);
 555         return 0;
 556 }
 557 
 558 static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
 559 {
 560         struct cx18 *cx = fh2id(fh)->cx;
 561 
 562         *std = cx->std;
 563         return 0;
 564 }
 565 
 566 int cx18_s_std(struct file *file, void *fh, v4l2_std_id std)
 567 {
 568         struct cx18_open_id *id = fh2id(fh);
 569         struct cx18 *cx = id->cx;
 570 
 571         if ((std & V4L2_STD_ALL) == 0)
 572                 return -EINVAL;
 573 
 574         if (std == cx->std)
 575                 return 0;
 576 
 577         if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
 578             atomic_read(&cx->ana_capturing) > 0) {
 579                 /* Switching standard would turn off the radio or mess
 580                    with already running streams, prevent that by
 581                    returning EBUSY. */
 582                 return -EBUSY;
 583         }
 584 
 585         cx->std = std;
 586         cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
 587         cx->is_50hz = !cx->is_60hz;
 588         cx2341x_handler_set_50hz(&cx->cxhdl, cx->is_50hz);
 589         cx->cxhdl.width = 720;
 590         cx->cxhdl.height = cx->is_50hz ? 576 : 480;
 591         cx->vbi.count = cx->is_50hz ? 18 : 12;
 592         cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
 593         cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
 594         CX18_DEBUG_INFO("Switching standard to %llx.\n",
 595                         (unsigned long long) cx->std);
 596 
 597         /* Tuner */
 598         cx18_call_all(cx, video, s_std, cx->std);
 599         return 0;
 600 }
 601 
 602 static int cx18_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt)
 603 {
 604         struct cx18_open_id *id = fh2id(fh);
 605         struct cx18 *cx = id->cx;
 606 
 607         if (vt->index != 0)
 608                 return -EINVAL;
 609 
 610         cx18_call_all(cx, tuner, s_tuner, vt);
 611         return 0;
 612 }
 613 
 614 static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 615 {
 616         struct cx18 *cx = fh2id(fh)->cx;
 617 
 618         if (vt->index != 0)
 619                 return -EINVAL;
 620 
 621         cx18_call_all(cx, tuner, g_tuner, vt);
 622 
 623         if (vt->type == V4L2_TUNER_RADIO)
 624                 strscpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
 625         else
 626                 strscpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
 627         return 0;
 628 }
 629 
 630 static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
 631                                         struct v4l2_sliced_vbi_cap *cap)
 632 {
 633         struct cx18 *cx = fh2id(fh)->cx;
 634         int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
 635         int f, l;
 636 
 637         if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
 638                 return -EINVAL;
 639 
 640         cap->service_set = 0;
 641         for (f = 0; f < 2; f++) {
 642                 for (l = 0; l < 24; l++) {
 643                         if (valid_service_line(f, l, cx->is_50hz)) {
 644                                 /*
 645                                  * We can find all v4l2 supported vbi services
 646                                  * for the standard, on a valid line for the std
 647                                  */
 648                                 cap->service_lines[f][l] = set;
 649                                 cap->service_set |= set;
 650                         } else
 651                                 cap->service_lines[f][l] = 0;
 652                 }
 653         }
 654         for (f = 0; f < 3; f++)
 655                 cap->reserved[f] = 0;
 656         return 0;
 657 }
 658 
 659 static int _cx18_process_idx_data(struct cx18_buffer *buf,
 660                                   struct v4l2_enc_idx *idx)
 661 {
 662         int consumed, remaining;
 663         struct v4l2_enc_idx_entry *e_idx;
 664         struct cx18_enc_idx_entry *e_buf;
 665 
 666         /* Frame type lookup: 1=I, 2=P, 4=B */
 667         const int mapping[8] = {
 668                 -1, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_P,
 669                 -1, V4L2_ENC_IDX_FRAME_B, -1, -1, -1
 670         };
 671 
 672         /*
 673          * Assumption here is that a buf holds an integral number of
 674          * struct cx18_enc_idx_entry objects and is properly aligned.
 675          * This is enforced by the module options on IDX buffer sizes.
 676          */
 677         remaining = buf->bytesused - buf->readpos;
 678         consumed = 0;
 679         e_idx = &idx->entry[idx->entries];
 680         e_buf = (struct cx18_enc_idx_entry *) &buf->buf[buf->readpos];
 681 
 682         while (remaining >= sizeof(struct cx18_enc_idx_entry) &&
 683                idx->entries < V4L2_ENC_IDX_ENTRIES) {
 684 
 685                 e_idx->offset = (((u64) le32_to_cpu(e_buf->offset_high)) << 32)
 686                                 | le32_to_cpu(e_buf->offset_low);
 687 
 688                 e_idx->pts = (((u64) (le32_to_cpu(e_buf->pts_high) & 1)) << 32)
 689                              | le32_to_cpu(e_buf->pts_low);
 690 
 691                 e_idx->length = le32_to_cpu(e_buf->length);
 692 
 693                 e_idx->flags = mapping[le32_to_cpu(e_buf->flags) & 0x7];
 694 
 695                 e_idx->reserved[0] = 0;
 696                 e_idx->reserved[1] = 0;
 697 
 698                 idx->entries++;
 699                 e_idx = &idx->entry[idx->entries];
 700                 e_buf++;
 701 
 702                 remaining -= sizeof(struct cx18_enc_idx_entry);
 703                 consumed += sizeof(struct cx18_enc_idx_entry);
 704         }
 705 
 706         /* Swallow any partial entries at the end, if there are any */
 707         if (remaining > 0 && remaining < sizeof(struct cx18_enc_idx_entry))
 708                 consumed += remaining;
 709 
 710         buf->readpos += consumed;
 711         return consumed;
 712 }
 713 
 714 static int cx18_process_idx_data(struct cx18_stream *s, struct cx18_mdl *mdl,
 715                                  struct v4l2_enc_idx *idx)
 716 {
 717         if (s->type != CX18_ENC_STREAM_TYPE_IDX)
 718                 return -EINVAL;
 719 
 720         if (mdl->curr_buf == NULL)
 721                 mdl->curr_buf = list_first_entry(&mdl->buf_list,
 722                                                  struct cx18_buffer, list);
 723 
 724         if (list_entry_is_past_end(mdl->curr_buf, &mdl->buf_list, list)) {
 725                 /*
 726                  * For some reason we've exhausted the buffers, but the MDL
 727                  * object still said some data was unread.
 728                  * Fix that and bail out.
 729                  */
 730                 mdl->readpos = mdl->bytesused;
 731                 return 0;
 732         }
 733 
 734         list_for_each_entry_from(mdl->curr_buf, &mdl->buf_list, list) {
 735 
 736                 /* Skip any empty buffers in the MDL */
 737                 if (mdl->curr_buf->readpos >= mdl->curr_buf->bytesused)
 738                         continue;
 739 
 740                 mdl->readpos += _cx18_process_idx_data(mdl->curr_buf, idx);
 741 
 742                 /* exit when MDL drained or request satisfied */
 743                 if (idx->entries >= V4L2_ENC_IDX_ENTRIES ||
 744                     mdl->curr_buf->readpos < mdl->curr_buf->bytesused ||
 745                     mdl->readpos >= mdl->bytesused)
 746                         break;
 747         }
 748         return 0;
 749 }
 750 
 751 static int cx18_g_enc_index(struct file *file, void *fh,
 752                                 struct v4l2_enc_idx *idx)
 753 {
 754         struct cx18 *cx = fh2id(fh)->cx;
 755         struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_IDX];
 756         s32 tmp;
 757         struct cx18_mdl *mdl;
 758 
 759         if (!cx18_stream_enabled(s)) /* Module options inhibited IDX stream */
 760                 return -EINVAL;
 761 
 762         /* Compute the best case number of entries we can buffer */
 763         tmp = s->buffers -
 764                           s->bufs_per_mdl * CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN;
 765         if (tmp <= 0)
 766                 tmp = 1;
 767         tmp = tmp * s->buf_size / sizeof(struct cx18_enc_idx_entry);
 768 
 769         /* Fill out the header of the return structure */
 770         idx->entries = 0;
 771         idx->entries_cap = tmp;
 772         memset(idx->reserved, 0, sizeof(idx->reserved));
 773 
 774         /* Pull IDX MDLs and buffers from q_full and populate the entries */
 775         do {
 776                 mdl = cx18_dequeue(s, &s->q_full);
 777                 if (mdl == NULL) /* No more IDX data right now */
 778                         break;
 779 
 780                 /* Extract the Index entry data from the MDL and buffers */
 781                 cx18_process_idx_data(s, mdl, idx);
 782                 if (mdl->readpos < mdl->bytesused) {
 783                         /* We finished with data remaining, push the MDL back */
 784                         cx18_push(s, mdl, &s->q_full);
 785                         break;
 786                 }
 787 
 788                 /* We drained this MDL, schedule it to go to the firmware */
 789                 cx18_enqueue(s, mdl, &s->q_free);
 790 
 791         } while (idx->entries < V4L2_ENC_IDX_ENTRIES);
 792 
 793         /* Tell the work handler to send free IDX MDLs to the firmware */
 794         cx18_stream_load_fw_queue(s);
 795         return 0;
 796 }
 797 
 798 static struct videobuf_queue *cx18_vb_queue(struct cx18_open_id *id)
 799 {
 800         struct videobuf_queue *q = NULL;
 801         struct cx18 *cx = id->cx;
 802         struct cx18_stream *s = &cx->streams[id->type];
 803 
 804         switch (s->vb_type) {
 805         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 806                 q = &s->vbuf_q;
 807                 break;
 808         case V4L2_BUF_TYPE_VBI_CAPTURE:
 809                 break;
 810         default:
 811                 break;
 812         }
 813         return q;
 814 }
 815 
 816 static int cx18_streamon(struct file *file, void *priv,
 817         enum v4l2_buf_type type)
 818 {
 819         struct cx18_open_id *id = file->private_data;
 820         struct cx18 *cx = id->cx;
 821         struct cx18_stream *s = &cx->streams[id->type];
 822 
 823         /* Start the hardware only if we're the video device */
 824         if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
 825                 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
 826                 return -EINVAL;
 827 
 828         if (id->type != CX18_ENC_STREAM_TYPE_YUV)
 829                 return -EINVAL;
 830 
 831         /* Establish a buffer timeout */
 832         mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies);
 833 
 834         return videobuf_streamon(cx18_vb_queue(id));
 835 }
 836 
 837 static int cx18_streamoff(struct file *file, void *priv,
 838         enum v4l2_buf_type type)
 839 {
 840         struct cx18_open_id *id = file->private_data;
 841         struct cx18 *cx = id->cx;
 842         struct cx18_stream *s = &cx->streams[id->type];
 843 
 844         /* Start the hardware only if we're the video device */
 845         if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
 846                 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
 847                 return -EINVAL;
 848 
 849         if (id->type != CX18_ENC_STREAM_TYPE_YUV)
 850                 return -EINVAL;
 851 
 852         return videobuf_streamoff(cx18_vb_queue(id));
 853 }
 854 
 855 static int cx18_reqbufs(struct file *file, void *priv,
 856         struct v4l2_requestbuffers *rb)
 857 {
 858         struct cx18_open_id *id = file->private_data;
 859         struct cx18 *cx = id->cx;
 860         struct cx18_stream *s = &cx->streams[id->type];
 861 
 862         if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
 863                 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
 864                 return -EINVAL;
 865 
 866         return videobuf_reqbufs(cx18_vb_queue(id), rb);
 867 }
 868 
 869 static int cx18_querybuf(struct file *file, void *priv,
 870         struct v4l2_buffer *b)
 871 {
 872         struct cx18_open_id *id = file->private_data;
 873         struct cx18 *cx = id->cx;
 874         struct cx18_stream *s = &cx->streams[id->type];
 875 
 876         if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
 877                 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
 878                 return -EINVAL;
 879 
 880         return videobuf_querybuf(cx18_vb_queue(id), b);
 881 }
 882 
 883 static int cx18_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
 884 {
 885         struct cx18_open_id *id = file->private_data;
 886         struct cx18 *cx = id->cx;
 887         struct cx18_stream *s = &cx->streams[id->type];
 888 
 889         if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
 890                 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
 891                 return -EINVAL;
 892 
 893         return videobuf_qbuf(cx18_vb_queue(id), b);
 894 }
 895 
 896 static int cx18_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
 897 {
 898         struct cx18_open_id *id = file->private_data;
 899         struct cx18 *cx = id->cx;
 900         struct cx18_stream *s = &cx->streams[id->type];
 901 
 902         if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
 903                 (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
 904                 return -EINVAL;
 905 
 906         return videobuf_dqbuf(cx18_vb_queue(id), b, file->f_flags & O_NONBLOCK);
 907 }
 908 
 909 static int cx18_encoder_cmd(struct file *file, void *fh,
 910                                 struct v4l2_encoder_cmd *enc)
 911 {
 912         struct cx18_open_id *id = fh2id(fh);
 913         struct cx18 *cx = id->cx;
 914         u32 h;
 915 
 916         switch (enc->cmd) {
 917         case V4L2_ENC_CMD_START:
 918                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
 919                 enc->flags = 0;
 920                 return cx18_start_capture(id);
 921 
 922         case V4L2_ENC_CMD_STOP:
 923                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
 924                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
 925                 cx18_stop_capture(id,
 926                                   enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
 927                 break;
 928 
 929         case V4L2_ENC_CMD_PAUSE:
 930                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
 931                 enc->flags = 0;
 932                 if (!atomic_read(&cx->ana_capturing))
 933                         return -EPERM;
 934                 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
 935                         return 0;
 936                 h = cx18_find_handle(cx);
 937                 if (h == CX18_INVALID_TASK_HANDLE) {
 938                         CX18_ERR("Can't find valid task handle for V4L2_ENC_CMD_PAUSE\n");
 939                         return -EBADFD;
 940                 }
 941                 cx18_mute(cx);
 942                 cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h);
 943                 break;
 944 
 945         case V4L2_ENC_CMD_RESUME:
 946                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
 947                 enc->flags = 0;
 948                 if (!atomic_read(&cx->ana_capturing))
 949                         return -EPERM;
 950                 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
 951                         return 0;
 952                 h = cx18_find_handle(cx);
 953                 if (h == CX18_INVALID_TASK_HANDLE) {
 954                         CX18_ERR("Can't find valid task handle for V4L2_ENC_CMD_RESUME\n");
 955                         return -EBADFD;
 956                 }
 957                 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
 958                 cx18_unmute(cx);
 959                 break;
 960 
 961         default:
 962                 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
 963                 return -EINVAL;
 964         }
 965         return 0;
 966 }
 967 
 968 static int cx18_try_encoder_cmd(struct file *file, void *fh,
 969                                 struct v4l2_encoder_cmd *enc)
 970 {
 971         struct cx18 *cx = fh2id(fh)->cx;
 972 
 973         switch (enc->cmd) {
 974         case V4L2_ENC_CMD_START:
 975                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
 976                 enc->flags = 0;
 977                 break;
 978 
 979         case V4L2_ENC_CMD_STOP:
 980                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
 981                 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
 982                 break;
 983 
 984         case V4L2_ENC_CMD_PAUSE:
 985                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
 986                 enc->flags = 0;
 987                 break;
 988 
 989         case V4L2_ENC_CMD_RESUME:
 990                 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
 991                 enc->flags = 0;
 992                 break;
 993 
 994         default:
 995                 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
 996                 return -EINVAL;
 997         }
 998         return 0;
 999 }
1000 
1001 static int cx18_log_status(struct file *file, void *fh)
1002 {
1003         struct cx18 *cx = fh2id(fh)->cx;
1004         struct v4l2_input vidin;
1005         struct v4l2_audio audin;
1006         int i;
1007 
1008         CX18_INFO("Version: %s  Card: %s\n", CX18_VERSION, cx->card_name);
1009         if (cx->hw_flags & CX18_HW_TVEEPROM) {
1010                 struct tveeprom tv;
1011 
1012                 cx18_read_eeprom(cx, &tv);
1013         }
1014         cx18_call_all(cx, core, log_status);
1015         cx18_get_input(cx, cx->active_input, &vidin);
1016         cx18_get_audio_input(cx, cx->audio_input, &audin);
1017         CX18_INFO("Video Input: %s\n", vidin.name);
1018         CX18_INFO("Audio Input: %s\n", audin.name);
1019         mutex_lock(&cx->gpio_lock);
1020         CX18_INFO("GPIO:  direction 0x%08x, value 0x%08x\n",
1021                 cx->gpio_dir, cx->gpio_val);
1022         mutex_unlock(&cx->gpio_lock);
1023         CX18_INFO("Tuner: %s\n",
1024                 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ?  "Radio" : "TV");
1025         v4l2_ctrl_handler_log_status(&cx->cxhdl.hdl, cx->v4l2_dev.name);
1026         CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
1027         for (i = 0; i < CX18_MAX_STREAMS; i++) {
1028                 struct cx18_stream *s = &cx->streams[i];
1029 
1030                 if (s->video_dev.v4l2_dev == NULL || s->buffers == 0)
1031                         continue;
1032                 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
1033                           s->name, s->s_flags,
1034                           atomic_read(&s->q_full.depth) * s->bufs_per_mdl * 100
1035                            / s->buffers,
1036                           (s->buffers * s->buf_size) / 1024, s->buffers);
1037         }
1038         CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
1039                         (long long)cx->mpg_data_received,
1040                         (long long)cx->vbi_data_inserted);
1041         return 0;
1042 }
1043 
1044 static long cx18_default(struct file *file, void *fh, bool valid_prio,
1045                          unsigned int cmd, void *arg)
1046 {
1047         struct cx18 *cx = fh2id(fh)->cx;
1048 
1049         switch (cmd) {
1050         case VIDIOC_INT_RESET: {
1051                 u32 val = *(u32 *)arg;
1052 
1053                 if ((val == 0) || (val & 0x01))
1054                         cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset,
1055                                      (u32) CX18_GPIO_RESET_Z8F0811);
1056                 break;
1057         }
1058 
1059         default:
1060                 return -ENOTTY;
1061         }
1062         return 0;
1063 }
1064 
1065 static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
1066         .vidioc_querycap                = cx18_querycap,
1067         .vidioc_s_audio                 = cx18_s_audio,
1068         .vidioc_g_audio                 = cx18_g_audio,
1069         .vidioc_enumaudio               = cx18_enumaudio,
1070         .vidioc_enum_input              = cx18_enum_input,
1071         .vidioc_g_pixelaspect           = cx18_g_pixelaspect,
1072         .vidioc_g_selection             = cx18_g_selection,
1073         .vidioc_g_input                 = cx18_g_input,
1074         .vidioc_s_input                 = cx18_s_input,
1075         .vidioc_g_frequency             = cx18_g_frequency,
1076         .vidioc_s_frequency             = cx18_s_frequency,
1077         .vidioc_s_tuner                 = cx18_s_tuner,
1078         .vidioc_g_tuner                 = cx18_g_tuner,
1079         .vidioc_g_enc_index             = cx18_g_enc_index,
1080         .vidioc_g_std                   = cx18_g_std,
1081         .vidioc_s_std                   = cx18_s_std,
1082         .vidioc_log_status              = cx18_log_status,
1083         .vidioc_enum_fmt_vid_cap        = cx18_enum_fmt_vid_cap,
1084         .vidioc_encoder_cmd             = cx18_encoder_cmd,
1085         .vidioc_try_encoder_cmd         = cx18_try_encoder_cmd,
1086         .vidioc_g_fmt_vid_cap           = cx18_g_fmt_vid_cap,
1087         .vidioc_g_fmt_vbi_cap           = cx18_g_fmt_vbi_cap,
1088         .vidioc_g_fmt_sliced_vbi_cap    = cx18_g_fmt_sliced_vbi_cap,
1089         .vidioc_s_fmt_vid_cap           = cx18_s_fmt_vid_cap,
1090         .vidioc_s_fmt_vbi_cap           = cx18_s_fmt_vbi_cap,
1091         .vidioc_s_fmt_sliced_vbi_cap    = cx18_s_fmt_sliced_vbi_cap,
1092         .vidioc_try_fmt_vid_cap         = cx18_try_fmt_vid_cap,
1093         .vidioc_try_fmt_vbi_cap         = cx18_try_fmt_vbi_cap,
1094         .vidioc_try_fmt_sliced_vbi_cap  = cx18_try_fmt_sliced_vbi_cap,
1095         .vidioc_g_sliced_vbi_cap        = cx18_g_sliced_vbi_cap,
1096 #ifdef CONFIG_VIDEO_ADV_DEBUG
1097         .vidioc_g_register              = cx18_g_register,
1098         .vidioc_s_register              = cx18_s_register,
1099 #endif
1100         .vidioc_default                 = cx18_default,
1101         .vidioc_streamon                = cx18_streamon,
1102         .vidioc_streamoff               = cx18_streamoff,
1103         .vidioc_reqbufs                 = cx18_reqbufs,
1104         .vidioc_querybuf                = cx18_querybuf,
1105         .vidioc_qbuf                    = cx18_qbuf,
1106         .vidioc_dqbuf                   = cx18_dqbuf,
1107         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
1108         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
1109 };
1110 
1111 void cx18_set_funcs(struct video_device *vdev)
1112 {
1113         vdev->ioctl_ops = &cx18_ioctl_ops;
1114 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/media/pci/cx18/cx18-ioctl.c

DEFINITIONS
