kernel/drivers/media/platform/vivid/vivid-vid-out.c

   1 /*
   2  * vivid-vid-out.c - video output support functions.
   3  *
   4  * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
   5  *
   6  * This program is free software; you may redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  11  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  12  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  13  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  14  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  15  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  16  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  17  * SOFTWARE.
  18  */
  19
  20 #include <linux/errno.h>
  21 #include <linux/kernel.h>
  22 #include <linux/sched.h>
  23 #include <linux/videodev2.h>
  24 #include <linux/v4l2-dv-timings.h>
  25 #include <media/v4l2-common.h>
  26 #include <media/v4l2-event.h>
  27 #include <media/v4l2-dv-timings.h>
  28
  29 #include "vivid-core.h"
  30 #include "vivid-vid-common.h"
  31 #include "vivid-kthread-out.h"
  32 #include "vivid-vid-out.h"
  33
  34 static int vid_out_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
  35                        unsigned *nbuffers, unsigned *nplanes,
  36                        unsigned sizes[], void *alloc_ctxs[])
  37 {
  38         struct vivid_dev *dev = vb2_get_drv_priv(vq);
  39         const struct vivid_fmt *vfmt = dev->fmt_out;
  40         unsigned planes = vfmt->buffers;
  41         unsigned h = dev->fmt_out_rect.height;
  42         unsigned size = dev->bytesperline_out[0] * h;
  43         unsigned p;
  44
  45         for (p = vfmt->buffers; p < vfmt->planes; p++)
  46                 size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p];
  47
  48         if (dev->field_out == V4L2_FIELD_ALTERNATE) {
  49                 /*
  50                  * You cannot use write() with FIELD_ALTERNATE since the field
  51                  * information (TOP/BOTTOM) cannot be passed to the kernel.
  52                  */
  53                 if (vb2_fileio_is_active(vq))
  54                         return -EINVAL;
  55         }
  56
  57         if (dev->queue_setup_error) {
  58                 /*
  59                  * Error injection: test what happens if queue_setup() returns
  60                  * an error.
  61                  */
  62                 dev->queue_setup_error = false;
  63                 return -EINVAL;
  64         }
  65
  66         if (fmt) {
  67                 const struct v4l2_pix_format_mplane *mp;
  68                 struct v4l2_format mp_fmt;
  69
  70                 if (!V4L2_TYPE_IS_MULTIPLANAR(fmt->type)) {
  71                         fmt_sp2mp(fmt, &mp_fmt);
  72                         fmt = &mp_fmt;
  73                 }
  74                 mp = &fmt->fmt.pix_mp;
  75                 /*
  76                  * Check if the number of planes in the specified format match
  77                  * the number of planes in the current format. You can't mix that.
  78                  */
  79                 if (mp->num_planes != planes)
  80                         return -EINVAL;
  81                 sizes[0] = mp->plane_fmt[0].sizeimage;
  82                 if (sizes[0] < size)
  83                         return -EINVAL;
  84                 for (p = 1; p < planes; p++) {
  85                         sizes[p] = mp->plane_fmt[p].sizeimage;
  86                         if (sizes[p] < dev->bytesperline_out[p] * h)
  87                                 return -EINVAL;
  88                 }
  89         } else {
  90                 for (p = 0; p < planes; p++)
  91                         sizes[p] = p ? dev->bytesperline_out[p] * h : size;
  92         }
  93
  94         if (vq->num_buffers + *nbuffers < 2)
  95                 *nbuffers = 2 - vq->num_buffers;
  96
  97         *nplanes = planes;
  98
  99         /*
 100          * videobuf2-vmalloc allocator is context-less so no need to set
 101          * alloc_ctxs array.
 102          */
 103
 104         dprintk(dev, 1, "%s: count=%d\n", __func__, *nbuffers);
 105         for (p = 0; p < planes; p++)
 106                 dprintk(dev, 1, "%s: size[%u]=%u\n", __func__, p, sizes[p]);
 107         return 0;
 108 }
 109
 110 static int vid_out_buf_prepare(struct vb2_buffer *vb)
 111 {
 112         struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
 113         unsigned long size;
 114         unsigned planes;
 115         unsigned p;
 116
 117         dprintk(dev, 1, "%s\n", __func__);
 118
 119         if (WARN_ON(NULL == dev->fmt_out))
 120                 return -EINVAL;
 121
 122         planes = dev->fmt_out->planes;
 123
 124         if (dev->buf_prepare_error) {
 125                 /*
 126                  * Error injection: test what happens if buf_prepare() returns
 127                  * an error.
 128                  */
 129                 dev->buf_prepare_error = false;
 130                 return -EINVAL;
 131         }
 132
 133         if (dev->field_out != V4L2_FIELD_ALTERNATE)
 134                 vb->v4l2_buf.field = dev->field_out;
 135         else if (vb->v4l2_buf.field != V4L2_FIELD_TOP &&
 136                  vb->v4l2_buf.field != V4L2_FIELD_BOTTOM)
 137                 return -EINVAL;
 138
 139         for (p = 0; p < planes; p++) {
 140                 size = dev->bytesperline_out[p] * dev->fmt_out_rect.height +
 141                         vb->v4l2_planes[p].data_offset;
 142
 143                 if (vb2_get_plane_payload(vb, p) < size) {
 144                         dprintk(dev, 1, "%s the payload is too small for plane %u (%lu < %lu)\n",
 145                                         __func__, p, vb2_get_plane_payload(vb, p), size);
 146                         return -EINVAL;
 147                 }
 148         }
 149
 150         return 0;
 151 }
 152
 153 static void vid_out_buf_queue(struct vb2_buffer *vb)
 154 {
 155         struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
 156         struct vivid_buffer *buf = container_of(vb, struct vivid_buffer, vb);
 157
 158         dprintk(dev, 1, "%s\n", __func__);
 159
 160         spin_lock(&dev->slock);
 161         list_add_tail(&buf->list, &dev->vid_out_active);
 162         spin_unlock(&dev->slock);
 163 }
 164
 165 static int vid_out_start_streaming(struct vb2_queue *vq, unsigned count)
 166 {
 167         struct vivid_dev *dev = vb2_get_drv_priv(vq);
 168         int err;
 169
 170         if (vb2_is_streaming(&dev->vb_vid_cap_q))
 171                 dev->can_loop_video = vivid_vid_can_loop(dev);
 172
 173         if (dev->kthread_vid_out)
 174                 return 0;
 175
 176         dev->vid_out_seq_count = 0;
 177         dprintk(dev, 1, "%s\n", __func__);
 178         if (dev->start_streaming_error) {
 179                 dev->start_streaming_error = false;
 180                 err = -EINVAL;
 181         } else {
 182                 err = vivid_start_generating_vid_out(dev, &dev->vid_out_streaming);
 183         }
 184         if (err) {
 185                 struct vivid_buffer *buf, *tmp;
 186
 187                 list_for_each_entry_safe(buf, tmp, &dev->vid_out_active, list) {
 188                         list_del(&buf->list);
 189                         vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
 190                 }
 191         }
 192         return err;
 193 }
 194
 195 /* abort streaming and wait for last buffer */
 196 static void vid_out_stop_streaming(struct vb2_queue *vq)
 197 {
 198         struct vivid_dev *dev = vb2_get_drv_priv(vq);
 199
 200         dprintk(dev, 1, "%s\n", __func__);
 201         vivid_stop_generating_vid_out(dev, &dev->vid_out_streaming);
 202         dev->can_loop_video = false;
 203 }
 204
 205 const struct vb2_ops vivid_vid_out_qops = {
 206         .queue_setup            = vid_out_queue_setup,
 207         .buf_prepare            = vid_out_buf_prepare,
 208         .buf_queue              = vid_out_buf_queue,
 209         .start_streaming        = vid_out_start_streaming,
 210         .stop_streaming         = vid_out_stop_streaming,
 211         .wait_prepare           = vb2_ops_wait_prepare,
 212         .wait_finish            = vb2_ops_wait_finish,
 213 };
 214
 215 /*
 216  * Called whenever the format has to be reset which can occur when
 217  * changing outputs, standard, timings, etc.
 218  */
 219 void vivid_update_format_out(struct vivid_dev *dev)
 220 {
 221         struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
 222         unsigned size, p;
 223
 224         switch (dev->output_type[dev->output]) {
 225         case SVID:
 226         default:
 227                 dev->field_out = dev->tv_field_out;
 228                 dev->sink_rect.width = 720;
 229                 if (dev->std_out & V4L2_STD_525_60) {
 230                         dev->sink_rect.height = 480;
 231                         dev->timeperframe_vid_out = (struct v4l2_fract) { 1001, 30000 };
 232                         dev->service_set_out = V4L2_SLICED_CAPTION_525;
 233                 } else {
 234                         dev->sink_rect.height = 576;
 235                         dev->timeperframe_vid_out = (struct v4l2_fract) { 1000, 25000 };
 236                         dev->service_set_out = V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B;
 237                 }
 238                 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
 239                 break;
 240         case HDMI:
 241                 dev->sink_rect.width = bt->width;
 242                 dev->sink_rect.height = bt->height;
 243                 size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt);
 244                 dev->timeperframe_vid_out = (struct v4l2_fract) {
 245                         size / 100, (u32)bt->pixelclock / 100
 246                 };
 247                 if (bt->interlaced)
 248                         dev->field_out = V4L2_FIELD_ALTERNATE;
 249                 else
 250                         dev->field_out = V4L2_FIELD_NONE;
 251                 if (!dev->dvi_d_out && (bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
 252                         if (bt->width == 720 && bt->height <= 576)
 253                                 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
 254                         else
 255                                 dev->colorspace_out = V4L2_COLORSPACE_REC709;
 256                 } else {
 257                         dev->colorspace_out = V4L2_COLORSPACE_SRGB;
 258                 }
 259                 break;
 260         }
 261         dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT;
 262         dev->quantization_out = V4L2_QUANTIZATION_DEFAULT;
 263         dev->compose_out = dev->sink_rect;
 264         dev->compose_bounds_out = dev->sink_rect;
 265         dev->crop_out = dev->compose_out;
 266         if (V4L2_FIELD_HAS_T_OR_B(dev->field_out))
 267                 dev->crop_out.height /= 2;
 268         dev->fmt_out_rect = dev->crop_out;
 269         for (p = 0; p < dev->fmt_out->planes; p++)
 270                 dev->bytesperline_out[p] =
 271                         (dev->sink_rect.width * dev->fmt_out->bit_depth[p]) / 8;
 272 }
 273
 274 /* Map the field to something that is valid for the current output */
 275 static enum v4l2_field vivid_field_out(struct vivid_dev *dev, enum v4l2_field field)
 276 {
 277         if (vivid_is_svid_out(dev)) {
 278                 switch (field) {
 279                 case V4L2_FIELD_INTERLACED_TB:
 280                 case V4L2_FIELD_INTERLACED_BT:
 281                 case V4L2_FIELD_SEQ_TB:
 282                 case V4L2_FIELD_SEQ_BT:
 283                 case V4L2_FIELD_ALTERNATE:
 284                         return field;
 285                 case V4L2_FIELD_INTERLACED:
 286                 default:
 287                         return V4L2_FIELD_INTERLACED;
 288                 }
 289         }
 290         if (vivid_is_hdmi_out(dev))
 291                 return dev->dv_timings_out.bt.interlaced ? V4L2_FIELD_ALTERNATE :
 292                                                        V4L2_FIELD_NONE;
 293         return V4L2_FIELD_NONE;
 294 }
 295
 296 static enum tpg_pixel_aspect vivid_get_pixel_aspect(const struct vivid_dev *dev)
 297 {
 298         if (vivid_is_svid_out(dev))
 299                 return (dev->std_out & V4L2_STD_525_60) ?
 300                         TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
 301
 302         if (vivid_is_hdmi_out(dev) &&
 303             dev->sink_rect.width == 720 && dev->sink_rect.height <= 576)
 304                 return dev->sink_rect.height == 480 ?
 305                         TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
 306
 307         return TPG_PIXEL_ASPECT_SQUARE;
 308 }
 309
 310 int vivid_g_fmt_vid_out(struct file *file, void *priv,
 311                                         struct v4l2_format *f)
 312 {
 313         struct vivid_dev *dev = video_drvdata(file);
 314         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 315         const struct vivid_fmt *fmt = dev->fmt_out;
 316         unsigned p;
 317
 318         mp->width        = dev->fmt_out_rect.width;
 319         mp->height       = dev->fmt_out_rect.height;
 320         mp->field        = dev->field_out;
 321         mp->pixelformat  = fmt->fourcc;
 322         mp->colorspace   = dev->colorspace_out;
 323         mp->ycbcr_enc    = dev->ycbcr_enc_out;
 324         mp->quantization = dev->quantization_out;
 325         mp->num_planes = fmt->buffers;
 326         for (p = 0; p < mp->num_planes; p++) {
 327                 mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p];
 328                 mp->plane_fmt[p].sizeimage =
 329                         mp->plane_fmt[p].bytesperline * mp->height;
 330         }
 331         for (p = fmt->buffers; p < fmt->planes; p++) {
 332                 unsigned stride = dev->bytesperline_out[p];
 333
 334                 mp->plane_fmt[0].sizeimage +=
 335                         (stride * mp->height) / fmt->vdownsampling[p];
 336         }
 337         return 0;
 338 }
 339
 340 int vivid_try_fmt_vid_out(struct file *file, void *priv,
 341                         struct v4l2_format *f)
 342 {
 343         struct vivid_dev *dev = video_drvdata(file);
 344         struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
 345         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 346         struct v4l2_plane_pix_format *pfmt = mp->plane_fmt;
 347         const struct vivid_fmt *fmt;
 348         unsigned bytesperline, max_bpl;
 349         unsigned factor = 1;
 350         unsigned w, h;
 351         unsigned p;
 352
 353         fmt = vivid_get_format(dev, mp->pixelformat);
 354         if (!fmt) {
 355                 dprintk(dev, 1, "Fourcc format (0x%08x) unknown.\n",
 356                         mp->pixelformat);
 357                 mp->pixelformat = V4L2_PIX_FMT_YUYV;
 358                 fmt = vivid_get_format(dev, mp->pixelformat);
 359         }
 360
 361         mp->field = vivid_field_out(dev, mp->field);
 362         if (vivid_is_svid_out(dev)) {
 363                 w = 720;
 364                 h = (dev->std_out & V4L2_STD_525_60) ? 480 : 576;
 365         } else {
 366                 w = dev->sink_rect.width;
 367                 h = dev->sink_rect.height;
 368         }
 369         if (V4L2_FIELD_HAS_T_OR_B(mp->field))
 370                 factor = 2;
 371         if (!dev->has_scaler_out && !dev->has_crop_out && !dev->has_compose_out) {
 372                 mp->width = w;
 373                 mp->height = h / factor;
 374         } else {
 375                 struct v4l2_rect r = { 0, 0, mp->width, mp->height * factor };
 376
 377                 rect_set_min_size(&r, &vivid_min_rect);
 378                 rect_set_max_size(&r, &vivid_max_rect);
 379                 if (dev->has_scaler_out && !dev->has_crop_out) {
 380                         struct v4l2_rect max_r = { 0, 0, MAX_ZOOM * w, MAX_ZOOM * h };
 381
 382                         rect_set_max_size(&r, &max_r);
 383                 } else if (!dev->has_scaler_out && dev->has_compose_out && !dev->has_crop_out) {
 384                         rect_set_max_size(&r, &dev->sink_rect);
 385                 } else if (!dev->has_scaler_out && !dev->has_compose_out) {
 386                         rect_set_min_size(&r, &dev->sink_rect);
 387                 }
 388                 mp->width = r.width;
 389                 mp->height = r.height / factor;
 390         }
 391
 392         /* This driver supports custom bytesperline values */
 393
 394         /* Calculate the minimum supported bytesperline value */
 395         bytesperline = (mp->width * fmt->bit_depth[0]) >> 3;
 396         /* Calculate the maximum supported bytesperline value */
 397         max_bpl = (MAX_ZOOM * MAX_WIDTH * fmt->bit_depth[0]) >> 3;
 398         mp->num_planes = fmt->buffers;
 399         for (p = 0; p < mp->num_planes; p++) {
 400                 if (pfmt[p].bytesperline > max_bpl)
 401                         pfmt[p].bytesperline = max_bpl;
 402                 if (pfmt[p].bytesperline < bytesperline)
 403                         pfmt[p].bytesperline = bytesperline;
 404                 pfmt[p].sizeimage = pfmt[p].bytesperline * mp->height;
 405                 memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
 406         }
 407         for (p = fmt->buffers; p < fmt->planes; p++)
 408                 pfmt[0].sizeimage += (pfmt[0].bytesperline * fmt->bit_depth[p]) /
 409                                      (fmt->bit_depth[0] * fmt->vdownsampling[p]);
 410         mp->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
 411         mp->quantization = V4L2_QUANTIZATION_DEFAULT;
 412         if (vivid_is_svid_out(dev)) {
 413                 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
 414         } else if (dev->dvi_d_out || !(bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
 415                 mp->colorspace = V4L2_COLORSPACE_SRGB;
 416                 if (dev->dvi_d_out)
 417                         mp->quantization = V4L2_QUANTIZATION_LIM_RANGE;
 418         } else if (bt->width == 720 && bt->height <= 576) {
 419                 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
 420         } else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M &&
 421                    mp->colorspace != V4L2_COLORSPACE_REC709 &&
 422                    mp->colorspace != V4L2_COLORSPACE_ADOBERGB &&
 423                    mp->colorspace != V4L2_COLORSPACE_BT2020 &&
 424                    mp->colorspace != V4L2_COLORSPACE_SRGB) {
 425                 mp->colorspace = V4L2_COLORSPACE_REC709;
 426         }
 427         memset(mp->reserved, 0, sizeof(mp->reserved));
 428         return 0;
 429 }
 430
 431 int vivid_s_fmt_vid_out(struct file *file, void *priv,
 432                                         struct v4l2_format *f)
 433 {
 434         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 435         struct vivid_dev *dev = video_drvdata(file);
 436         struct v4l2_rect *crop = &dev->crop_out;
 437         struct v4l2_rect *compose = &dev->compose_out;
 438         struct vb2_queue *q = &dev->vb_vid_out_q;
 439         int ret = vivid_try_fmt_vid_out(file, priv, f);
 440         unsigned factor = 1;
 441         unsigned p;
 442
 443         if (ret < 0)
 444                 return ret;
 445
 446         if (vb2_is_busy(q) &&
 447             (vivid_is_svid_out(dev) ||
 448              mp->width != dev->fmt_out_rect.width ||
 449              mp->height != dev->fmt_out_rect.height ||
 450              mp->pixelformat != dev->fmt_out->fourcc ||
 451              mp->field != dev->field_out)) {
 452                 dprintk(dev, 1, "%s device busy\n", __func__);
 453                 return -EBUSY;
 454         }
 455
 456         /*
 457          * Allow for changing the colorspace on the fly. Useful for testing
 458          * purposes, and it is something that HDMI transmitters are able
 459          * to do.
 460          */
 461         if (vb2_is_busy(q))
 462                 goto set_colorspace;
 463
 464         dev->fmt_out = vivid_get_format(dev, mp->pixelformat);
 465         if (V4L2_FIELD_HAS_T_OR_B(mp->field))
 466                 factor = 2;
 467
 468         if (dev->has_scaler_out || dev->has_crop_out || dev->has_compose_out) {
 469                 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
 470
 471                 if (dev->has_scaler_out) {
 472                         if (dev->has_crop_out)
 473                                 rect_map_inside(crop, &r);
 474                         else
 475                                 *crop = r;
 476                         if (dev->has_compose_out && !dev->has_crop_out) {
 477                                 struct v4l2_rect min_r = {
 478                                         0, 0,
 479                                         r.width / MAX_ZOOM,
 480                                         factor * r.height / MAX_ZOOM
 481                                 };
 482                                 struct v4l2_rect max_r = {
 483                                         0, 0,
 484                                         r.width * MAX_ZOOM,
 485                                         factor * r.height * MAX_ZOOM
 486                                 };
 487
 488                                 rect_set_min_size(compose, &min_r);
 489                                 rect_set_max_size(compose, &max_r);
 490                                 rect_map_inside(compose, &dev->compose_bounds_out);
 491                         } else if (dev->has_compose_out) {
 492                                 struct v4l2_rect min_r = {
 493                                         0, 0,
 494                                         crop->width / MAX_ZOOM,
 495                                         factor * crop->height / MAX_ZOOM
 496                                 };
 497                                 struct v4l2_rect max_r = {
 498                                         0, 0,
 499                                         crop->width * MAX_ZOOM,
 500                                         factor * crop->height * MAX_ZOOM
 501                                 };
 502
 503                                 rect_set_min_size(compose, &min_r);
 504                                 rect_set_max_size(compose, &max_r);
 505                                 rect_map_inside(compose, &dev->compose_bounds_out);
 506                         }
 507                 } else if (dev->has_compose_out && !dev->has_crop_out) {
 508                         rect_set_size_to(crop, &r);
 509                         r.height *= factor;
 510                         rect_set_size_to(compose, &r);
 511                         rect_map_inside(compose, &dev->compose_bounds_out);
 512                 } else if (!dev->has_compose_out) {
 513                         rect_map_inside(crop, &r);
 514                         r.height /= factor;
 515                         rect_set_size_to(compose, &r);
 516                 } else {
 517                         r.height *= factor;
 518                         rect_set_max_size(compose, &r);
 519                         rect_map_inside(compose, &dev->compose_bounds_out);
 520                         crop->top *= factor;
 521                         crop->height *= factor;
 522                         rect_set_size_to(crop, compose);
 523                         rect_map_inside(crop, &r);
 524                         crop->top /= factor;
 525                         crop->height /= factor;
 526                 }
 527         } else {
 528                 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
 529
 530                 rect_set_size_to(crop, &r);
 531                 r.height /= factor;
 532                 rect_set_size_to(compose, &r);
 533         }
 534
 535         dev->fmt_out_rect.width = mp->width;
 536         dev->fmt_out_rect.height = mp->height;
 537         for (p = 0; p < mp->num_planes; p++)
 538                 dev->bytesperline_out[p] = mp->plane_fmt[p].bytesperline;
 539         for (p = dev->fmt_out->buffers; p < dev->fmt_out->planes; p++)
 540                 dev->bytesperline_out[p] =
 541                         (dev->bytesperline_out[0] * dev->fmt_out->bit_depth[p]) /
 542                         dev->fmt_out->bit_depth[0];
 543         dev->field_out = mp->field;
 544         if (vivid_is_svid_out(dev))
 545                 dev->tv_field_out = mp->field;
 546
 547 set_colorspace:
 548         dev->colorspace_out = mp->colorspace;
 549         dev->ycbcr_enc_out = mp->ycbcr_enc;
 550         dev->quantization_out = mp->quantization;
 551         if (dev->loop_video) {
 552                 vivid_send_source_change(dev, SVID);
 553                 vivid_send_source_change(dev, HDMI);
 554         }
 555         return 0;
 556 }
 557
 558 int vidioc_g_fmt_vid_out_mplane(struct file *file, void *priv,
 559                                         struct v4l2_format *f)
 560 {
 561         struct vivid_dev *dev = video_drvdata(file);
 562
 563         if (!dev->multiplanar)
 564                 return -ENOTTY;
 565         return vivid_g_fmt_vid_out(file, priv, f);
 566 }
 567
 568 int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
 569                         struct v4l2_format *f)
 570 {
 571         struct vivid_dev *dev = video_drvdata(file);
 572
 573         if (!dev->multiplanar)
 574                 return -ENOTTY;
 575         return vivid_try_fmt_vid_out(file, priv, f);
 576 }
 577
 578 int vidioc_s_fmt_vid_out_mplane(struct file *file, void *priv,
 579                         struct v4l2_format *f)
 580 {
 581         struct vivid_dev *dev = video_drvdata(file);
 582
 583         if (!dev->multiplanar)
 584                 return -ENOTTY;
 585         return vivid_s_fmt_vid_out(file, priv, f);
 586 }
 587
 588 int vidioc_g_fmt_vid_out(struct file *file, void *priv,
 589                                         struct v4l2_format *f)
 590 {
 591         struct vivid_dev *dev = video_drvdata(file);
 592
 593         if (dev->multiplanar)
 594                 return -ENOTTY;
 595         return fmt_sp2mp_func(file, priv, f, vivid_g_fmt_vid_out);
 596 }
 597
 598 int vidioc_try_fmt_vid_out(struct file *file, void *priv,
 599                         struct v4l2_format *f)
 600 {
 601         struct vivid_dev *dev = video_drvdata(file);
 602
 603         if (dev->multiplanar)
 604                 return -ENOTTY;
 605         return fmt_sp2mp_func(file, priv, f, vivid_try_fmt_vid_out);
 606 }
 607
 608 int vidioc_s_fmt_vid_out(struct file *file, void *priv,
 609                         struct v4l2_format *f)
 610 {
 611         struct vivid_dev *dev = video_drvdata(file);
 612
 613         if (dev->multiplanar)
 614                 return -ENOTTY;
 615         return fmt_sp2mp_func(file, priv, f, vivid_s_fmt_vid_out);
 616 }
 617
 618 int vivid_vid_out_g_selection(struct file *file, void *priv,
 619                               struct v4l2_selection *sel)
 620 {
 621         struct vivid_dev *dev = video_drvdata(file);
 622
 623         if (!dev->has_crop_out && !dev->has_compose_out)
 624                 return -ENOTTY;
 625         if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 626                 return -EINVAL;
 627
 628         sel->r.left = sel->r.top = 0;
 629         switch (sel->target) {
 630         case V4L2_SEL_TGT_CROP:
 631                 if (!dev->has_crop_out)
 632                         return -EINVAL;
 633                 sel->r = dev->crop_out;
 634                 break;
 635         case V4L2_SEL_TGT_CROP_DEFAULT:
 636                 if (!dev->has_crop_out)
 637                         return -EINVAL;
 638                 sel->r = dev->fmt_out_rect;
 639                 break;
 640         case V4L2_SEL_TGT_CROP_BOUNDS:
 641                 if (!dev->has_crop_out)
 642                         return -EINVAL;
 643                 sel->r = vivid_max_rect;
 644                 break;
 645         case V4L2_SEL_TGT_COMPOSE:
 646                 if (!dev->has_compose_out)
 647                         return -EINVAL;
 648                 sel->r = dev->compose_out;
 649                 break;
 650         case V4L2_SEL_TGT_COMPOSE_DEFAULT:
 651         case V4L2_SEL_TGT_COMPOSE_BOUNDS:
 652                 if (!dev->has_compose_out)
 653                         return -EINVAL;
 654                 sel->r = dev->sink_rect;
 655                 break;
 656         default:
 657                 return -EINVAL;
 658         }
 659         return 0;
 660 }
 661
 662 int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 663 {
 664         struct vivid_dev *dev = video_drvdata(file);
 665         struct v4l2_rect *crop = &dev->crop_out;
 666         struct v4l2_rect *compose = &dev->compose_out;
 667         unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_out) ? 2 : 1;
 668         int ret;
 669
 670         if (!dev->has_crop_out && !dev->has_compose_out)
 671                 return -ENOTTY;
 672         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 673                 return -EINVAL;
 674
 675         switch (s->target) {
 676         case V4L2_SEL_TGT_CROP:
 677                 if (!dev->has_crop_out)
 678                         return -EINVAL;
 679                 ret = vivid_vid_adjust_sel(s->flags, &s->r);
 680                 if (ret)
 681                         return ret;
 682                 rect_set_min_size(&s->r, &vivid_min_rect);
 683                 rect_set_max_size(&s->r, &dev->fmt_out_rect);
 684                 if (dev->has_scaler_out) {
 685                         struct v4l2_rect max_rect = {
 686                                 0, 0,
 687                                 dev->sink_rect.width * MAX_ZOOM,
 688                                 (dev->sink_rect.height / factor) * MAX_ZOOM
 689                         };
 690
 691                         rect_set_max_size(&s->r, &max_rect);
 692                         if (dev->has_compose_out) {
 693                                 struct v4l2_rect min_rect = {
 694                                         0, 0,
 695                                         s->r.width / MAX_ZOOM,
 696                                         (s->r.height * factor) / MAX_ZOOM
 697                                 };
 698                                 struct v4l2_rect max_rect = {
 699                                         0, 0,
 700                                         s->r.width * MAX_ZOOM,
 701                                         (s->r.height * factor) * MAX_ZOOM
 702                                 };
 703
 704                                 rect_set_min_size(compose, &min_rect);
 705                                 rect_set_max_size(compose, &max_rect);
 706                                 rect_map_inside(compose, &dev->compose_bounds_out);
 707                         }
 708                 } else if (dev->has_compose_out) {
 709                         s->r.top *= factor;
 710                         s->r.height *= factor;
 711                         rect_set_max_size(&s->r, &dev->sink_rect);
 712                         rect_set_size_to(compose, &s->r);
 713                         rect_map_inside(compose, &dev->compose_bounds_out);
 714                         s->r.top /= factor;
 715                         s->r.height /= factor;
 716                 } else {
 717                         rect_set_size_to(&s->r, &dev->sink_rect);
 718                         s->r.height /= factor;
 719                 }
 720                 rect_map_inside(&s->r, &dev->fmt_out_rect);
 721                 *crop = s->r;
 722                 break;
 723         case V4L2_SEL_TGT_COMPOSE:
 724                 if (!dev->has_compose_out)
 725                         return -EINVAL;
 726                 ret = vivid_vid_adjust_sel(s->flags, &s->r);
 727                 if (ret)
 728                         return ret;
 729                 rect_set_min_size(&s->r, &vivid_min_rect);
 730                 rect_set_max_size(&s->r, &dev->sink_rect);
 731                 rect_map_inside(&s->r, &dev->compose_bounds_out);
 732                 s->r.top /= factor;
 733                 s->r.height /= factor;
 734                 if (dev->has_scaler_out) {
 735                         struct v4l2_rect fmt = dev->fmt_out_rect;
 736                         struct v4l2_rect max_rect = {
 737                                 0, 0,
 738                                 s->r.width * MAX_ZOOM,
 739                                 s->r.height * MAX_ZOOM
 740                         };
 741                         struct v4l2_rect min_rect = {
 742                                 0, 0,
 743                                 s->r.width / MAX_ZOOM,
 744                                 s->r.height / MAX_ZOOM
 745                         };
 746
 747                         rect_set_min_size(&fmt, &min_rect);
 748                         if (!dev->has_crop_out)
 749                                 rect_set_max_size(&fmt, &max_rect);
 750                         if (!rect_same_size(&dev->fmt_out_rect, &fmt) &&
 751                             vb2_is_busy(&dev->vb_vid_out_q))
 752                                 return -EBUSY;
 753                         if (dev->has_crop_out) {
 754                                 rect_set_min_size(crop, &min_rect);
 755                                 rect_set_max_size(crop, &max_rect);
 756                         }
 757                         dev->fmt_out_rect = fmt;
 758                 } else if (dev->has_crop_out) {
 759                         struct v4l2_rect fmt = dev->fmt_out_rect;
 760
 761                         rect_set_min_size(&fmt, &s->r);
 762                         if (!rect_same_size(&dev->fmt_out_rect, &fmt) &&
 763                             vb2_is_busy(&dev->vb_vid_out_q))
 764                                 return -EBUSY;
 765                         dev->fmt_out_rect = fmt;
 766                         rect_set_size_to(crop, &s->r);
 767                         rect_map_inside(crop, &dev->fmt_out_rect);
 768                 } else {
 769                         if (!rect_same_size(&s->r, &dev->fmt_out_rect) &&
 770                             vb2_is_busy(&dev->vb_vid_out_q))
 771                                 return -EBUSY;
 772                         rect_set_size_to(&dev->fmt_out_rect, &s->r);
 773                         rect_set_size_to(crop, &s->r);
 774                         crop->height /= factor;
 775                         rect_map_inside(crop, &dev->fmt_out_rect);
 776                 }
 777                 s->r.top *= factor;
 778                 s->r.height *= factor;
 779                 if (dev->bitmap_out && (compose->width != s->r.width ||
 780                                         compose->height != s->r.height)) {
 781                         kfree(dev->bitmap_out);
 782                         dev->bitmap_out = NULL;
 783                 }
 784                 *compose = s->r;
 785                 break;
 786         default:
 787                 return -EINVAL;
 788         }
 789
 790         return 0;
 791 }
 792
 793 int vivid_vid_out_cropcap(struct file *file, void *priv,
 794                               struct v4l2_cropcap *cap)
 795 {
 796         struct vivid_dev *dev = video_drvdata(file);
 797
 798         if (cap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 799                 return -EINVAL;
 800
 801         switch (vivid_get_pixel_aspect(dev)) {
 802         case TPG_PIXEL_ASPECT_NTSC:
 803                 cap->pixelaspect.numerator = 11;
 804                 cap->pixelaspect.denominator = 10;
 805                 break;
 806         case TPG_PIXEL_ASPECT_PAL:
 807                 cap->pixelaspect.numerator = 54;
 808                 cap->pixelaspect.denominator = 59;
 809                 break;
 810         case TPG_PIXEL_ASPECT_SQUARE:
 811                 cap->pixelaspect.numerator = 1;
 812                 cap->pixelaspect.denominator = 1;
 813                 break;
 814         }
 815         return 0;
 816 }
 817
 818 int vidioc_g_fmt_vid_out_overlay(struct file *file, void *priv,
 819                                         struct v4l2_format *f)
 820 {
 821         struct vivid_dev *dev = video_drvdata(file);
 822         const struct v4l2_rect *compose = &dev->compose_out;
 823         struct v4l2_window *win = &f->fmt.win;
 824         unsigned clipcount = win->clipcount;
 825
 826         if (!dev->has_fb)
 827                 return -EINVAL;
 828         win->w.top = dev->overlay_out_top;
 829         win->w.left = dev->overlay_out_left;
 830         win->w.width = compose->width;
 831         win->w.height = compose->height;
 832         win->clipcount = dev->clipcount_out;
 833         win->field = V4L2_FIELD_ANY;
 834         win->chromakey = dev->chromakey_out;
 835         win->global_alpha = dev->global_alpha_out;
 836         if (clipcount > dev->clipcount_out)
 837                 clipcount = dev->clipcount_out;
 838         if (dev->bitmap_out == NULL)
 839                 win->bitmap = NULL;
 840         else if (win->bitmap) {
 841                 if (copy_to_user(win->bitmap, dev->bitmap_out,
 842                     ((dev->compose_out.width + 7) / 8) * dev->compose_out.height))
 843                         return -EFAULT;
 844         }
 845         if (clipcount && win->clips) {
 846                 if (copy_to_user(win->clips, dev->clips_out,
 847                                  clipcount * sizeof(dev->clips_out[0])))
 848                         return -EFAULT;
 849         }
 850         return 0;
 851 }
 852
 853 int vidioc_try_fmt_vid_out_overlay(struct file *file, void *priv,
 854                                         struct v4l2_format *f)
 855 {
 856         struct vivid_dev *dev = video_drvdata(file);
 857         const struct v4l2_rect *compose = &dev->compose_out;
 858         struct v4l2_window *win = &f->fmt.win;
 859         int i, j;
 860
 861         if (!dev->has_fb)
 862                 return -EINVAL;
 863         win->w.left = clamp_t(int, win->w.left,
 864                               -dev->display_width, dev->display_width);
 865         win->w.top = clamp_t(int, win->w.top,
 866                              -dev->display_height, dev->display_height);
 867         win->w.width = compose->width;
 868         win->w.height = compose->height;
 869         /*
 870          * It makes no sense for an OSD to overlay only top or bottom fields,
 871          * so always set this to ANY.
 872          */
 873         win->field = V4L2_FIELD_ANY;
 874         if (win->clipcount && !win->clips)
 875                 win->clipcount = 0;
 876         if (win->clipcount > MAX_CLIPS)
 877                 win->clipcount = MAX_CLIPS;
 878         if (win->clipcount) {
 879                 if (copy_from_user(dev->try_clips_out, win->clips,
 880                                    win->clipcount * sizeof(dev->clips_out[0])))
 881                         return -EFAULT;
 882                 for (i = 0; i < win->clipcount; i++) {
 883                         struct v4l2_rect *r = &dev->try_clips_out[i].c;
 884
 885                         r->top = clamp_t(s32, r->top, 0, dev->display_height - 1);
 886                         r->height = clamp_t(s32, r->height, 1, dev->display_height - r->top);
 887                         r->left = clamp_t(u32, r->left, 0, dev->display_width - 1);
 888                         r->width = clamp_t(u32, r->width, 1, dev->display_width - r->left);
 889                 }
 890                 /*
 891                  * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small
 892                  * number and it's typically a one-time deal.
 893                  */
 894                 for (i = 0; i < win->clipcount - 1; i++) {
 895                         struct v4l2_rect *r1 = &dev->try_clips_out[i].c;
 896
 897                         for (j = i + 1; j < win->clipcount; j++) {
 898                                 struct v4l2_rect *r2 = &dev->try_clips_out[j].c;
 899
 900                                 if (rect_overlap(r1, r2))
 901                                         return -EINVAL;
 902                         }
 903                 }
 904                 if (copy_to_user(win->clips, dev->try_clips_out,
 905                                  win->clipcount * sizeof(dev->clips_out[0])))
 906                         return -EFAULT;
 907         }
 908         return 0;
 909 }
 910
 911 int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv,
 912                                         struct v4l2_format *f)
 913 {
 914         struct vivid_dev *dev = video_drvdata(file);
 915         const struct v4l2_rect *compose = &dev->compose_out;
 916         struct v4l2_window *win = &f->fmt.win;
 917         int ret = vidioc_try_fmt_vid_out_overlay(file, priv, f);
 918         unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height;
 919         unsigned clips_size = win->clipcount * sizeof(dev->clips_out[0]);
 920         void *new_bitmap = NULL;
 921
 922         if (ret)
 923                 return ret;
 924
 925         if (win->bitmap) {
 926                 new_bitmap = memdup_user(win->bitmap, bitmap_size);
 927
 928                 if (IS_ERR(new_bitmap))
 929                         return PTR_ERR(new_bitmap);
 930         }
 931
 932         dev->overlay_out_top = win->w.top;
 933         dev->overlay_out_left = win->w.left;
 934         kfree(dev->bitmap_out);
 935         dev->bitmap_out = new_bitmap;
 936         dev->clipcount_out = win->clipcount;
 937         if (dev->clipcount_out)
 938                 memcpy(dev->clips_out, dev->try_clips_out, clips_size);
 939         dev->chromakey_out = win->chromakey;
 940         dev->global_alpha_out = win->global_alpha;
 941         return ret;
 942 }
 943
 944 int vivid_vid_out_overlay(struct file *file, void *fh, unsigned i)
 945 {
 946         struct vivid_dev *dev = video_drvdata(file);
 947
 948         if (i && !dev->fmt_out->can_do_overlay) {
 949                 dprintk(dev, 1, "unsupported output format for output overlay\n");
 950                 return -EINVAL;
 951         }
 952
 953         dev->overlay_out_enabled = i;
 954         return 0;
 955 }
 956
 957 int vivid_vid_out_g_fbuf(struct file *file, void *fh,
 958                                 struct v4l2_framebuffer *a)
 959 {
 960         struct vivid_dev *dev = video_drvdata(file);
 961
 962         a->capability = V4L2_FBUF_CAP_EXTERNOVERLAY |
 963                         V4L2_FBUF_CAP_BITMAP_CLIPPING |
 964                         V4L2_FBUF_CAP_LIST_CLIPPING |
 965                         V4L2_FBUF_CAP_CHROMAKEY |
 966                         V4L2_FBUF_CAP_SRC_CHROMAKEY |
 967                         V4L2_FBUF_CAP_GLOBAL_ALPHA |
 968                         V4L2_FBUF_CAP_LOCAL_ALPHA |
 969                         V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
 970         a->flags = V4L2_FBUF_FLAG_OVERLAY | dev->fbuf_out_flags;
 971         a->base = (void *)dev->video_pbase;
 972         a->fmt.width = dev->display_width;
 973         a->fmt.height = dev->display_height;
 974         if (dev->fb_defined.green.length == 5)
 975                 a->fmt.pixelformat = V4L2_PIX_FMT_ARGB555;
 976         else
 977                 a->fmt.pixelformat = V4L2_PIX_FMT_RGB565;
 978         a->fmt.bytesperline = dev->display_byte_stride;
 979         a->fmt.sizeimage = a->fmt.height * a->fmt.bytesperline;
 980         a->fmt.field = V4L2_FIELD_NONE;
 981         a->fmt.colorspace = V4L2_COLORSPACE_SRGB;
 982         a->fmt.priv = 0;
 983         return 0;
 984 }
 985
 986 int vivid_vid_out_s_fbuf(struct file *file, void *fh,
 987                                 const struct v4l2_framebuffer *a)
 988 {
 989         struct vivid_dev *dev = video_drvdata(file);
 990         const unsigned chroma_flags = V4L2_FBUF_FLAG_CHROMAKEY |
 991                                       V4L2_FBUF_FLAG_SRC_CHROMAKEY;
 992         const unsigned alpha_flags = V4L2_FBUF_FLAG_GLOBAL_ALPHA |
 993                                      V4L2_FBUF_FLAG_LOCAL_ALPHA |
 994                                      V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
 995
 996
 997         if ((a->flags & chroma_flags) == chroma_flags)
 998                 return -EINVAL;
 999         switch (a->flags & alpha_flags) {
1000         case 0:
1001         case V4L2_FBUF_FLAG_GLOBAL_ALPHA:
1002         case V4L2_FBUF_FLAG_LOCAL_ALPHA:
1003         case V4L2_FBUF_FLAG_LOCAL_INV_ALPHA:
1004                 break;
1005         default:
1006                 return -EINVAL;
1007         }
1008         dev->fbuf_out_flags &= ~(chroma_flags | alpha_flags);
1009         dev->fbuf_out_flags = a->flags & (chroma_flags | alpha_flags);
1010         return 0;
1011 }
1012
1013 static const struct v4l2_audioout vivid_audio_outputs[] = {
1014         { 0, "Line-Out 1" },
1015         { 1, "Line-Out 2" },
1016 };
1017
1018 int vidioc_enum_output(struct file *file, void *priv,
1019                                 struct v4l2_output *out)
1020 {
1021         struct vivid_dev *dev = video_drvdata(file);
1022
1023         if (out->index >= dev->num_outputs)
1024                 return -EINVAL;
1025
1026         out->type = V4L2_OUTPUT_TYPE_ANALOG;
1027         switch (dev->output_type[out->index]) {
1028         case SVID:
1029                 snprintf(out->name, sizeof(out->name), "S-Video %u",
1030                                 dev->output_name_counter[out->index]);
1031                 out->std = V4L2_STD_ALL;
1032                 if (dev->has_audio_outputs)
1033                         out->audioset = (1 << ARRAY_SIZE(vivid_audio_outputs)) - 1;
1034                 out->capabilities = V4L2_OUT_CAP_STD;
1035                 break;
1036         case HDMI:
1037                 snprintf(out->name, sizeof(out->name), "HDMI %u",
1038                                 dev->output_name_counter[out->index]);
1039                 out->capabilities = V4L2_OUT_CAP_DV_TIMINGS;
1040                 break;
1041         }
1042         return 0;
1043 }
1044
1045 int vidioc_g_output(struct file *file, void *priv, unsigned *o)
1046 {
1047         struct vivid_dev *dev = video_drvdata(file);
1048
1049         *o = dev->output;
1050         return 0;
1051 }
1052
1053 int vidioc_s_output(struct file *file, void *priv, unsigned o)
1054 {
1055         struct vivid_dev *dev = video_drvdata(file);
1056
1057         if (o >= dev->num_outputs)
1058                 return -EINVAL;
1059
1060         if (o == dev->output)
1061                 return 0;
1062
1063         if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1064                 return -EBUSY;
1065
1066         dev->output = o;
1067         dev->tv_audio_output = 0;
1068         if (dev->output_type[o] == SVID)
1069                 dev->vid_out_dev.tvnorms = V4L2_STD_ALL;
1070         else
1071                 dev->vid_out_dev.tvnorms = 0;
1072
1073         dev->vbi_out_dev.tvnorms = dev->vid_out_dev.tvnorms;
1074         vivid_update_format_out(dev);
1075         return 0;
1076 }
1077
1078 int vidioc_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vout)
1079 {
1080         if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1081                 return -EINVAL;
1082         *vout = vivid_audio_outputs[vout->index];
1083         return 0;
1084 }
1085
1086 int vidioc_g_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
1087 {
1088         struct vivid_dev *dev = video_drvdata(file);
1089
1090         if (!vivid_is_svid_out(dev))
1091                 return -EINVAL;
1092         *vout = vivid_audio_outputs[dev->tv_audio_output];
1093         return 0;
1094 }
1095
1096 int vidioc_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout)
1097 {
1098         struct vivid_dev *dev = video_drvdata(file);
1099
1100         if (!vivid_is_svid_out(dev))
1101                 return -EINVAL;
1102         if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1103                 return -EINVAL;
1104         dev->tv_audio_output = vout->index;
1105         return 0;
1106 }
1107
1108 int vivid_vid_out_s_std(struct file *file, void *priv, v4l2_std_id id)
1109 {
1110         struct vivid_dev *dev = video_drvdata(file);
1111
1112         if (!vivid_is_svid_out(dev))
1113                 return -ENODATA;
1114         if (dev->std_out == id)
1115                 return 0;
1116         if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1117                 return -EBUSY;
1118         dev->std_out = id;
1119         vivid_update_format_out(dev);
1120         return 0;
1121 }
1122
1123 int vivid_vid_out_s_dv_timings(struct file *file, void *_fh,
1124                                     struct v4l2_dv_timings *timings)
1125 {
1126         struct vivid_dev *dev = video_drvdata(file);
1127
1128         if (!vivid_is_hdmi_out(dev))
1129                 return -ENODATA;
1130         if (!v4l2_find_dv_timings_cap(timings, &vivid_dv_timings_cap,
1131                                 0, NULL, NULL))
1132                 return -EINVAL;
1133         if (v4l2_match_dv_timings(timings, &dev->dv_timings_out, 0))
1134                 return 0;
1135         if (vb2_is_busy(&dev->vb_vid_out_q))
1136                 return -EBUSY;
1137         dev->dv_timings_out = *timings;
1138         vivid_update_format_out(dev);
1139         return 0;
1140 }
1141
1142 int vivid_vid_out_g_parm(struct file *file, void *priv,
1143                           struct v4l2_streamparm *parm)
1144 {
1145         struct vivid_dev *dev = video_drvdata(file);
1146
1147         if (parm->type != (dev->multiplanar ?
1148                            V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
1149                            V4L2_BUF_TYPE_VIDEO_OUTPUT))
1150                 return -EINVAL;
1151
1152         parm->parm.output.capability   = V4L2_CAP_TIMEPERFRAME;
1153         parm->parm.output.timeperframe = dev->timeperframe_vid_out;
1154         parm->parm.output.writebuffers  = 1;
1155 return 0;
1156 }
1157
1158 int vidioc_subscribe_event(struct v4l2_fh *fh,
1159                         const struct v4l2_event_subscription *sub)
1160 {
1161         switch (sub->type) {
1162         case V4L2_EVENT_CTRL:
1163                 return v4l2_ctrl_subscribe_event(fh, sub);
1164         case V4L2_EVENT_SOURCE_CHANGE:
1165                 if (fh->vdev->vfl_dir == VFL_DIR_RX)
1166                         return v4l2_src_change_event_subscribe(fh, sub);
1167                 break;
1168         default:
1169                 break;
1170         }
1171         return -EINVAL;
1172 }