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 void *parg,
  35                        unsigned *nbuffers, unsigned *nplanes,
  36                        unsigned sizes[], void *alloc_ctxs[])
  37 {
  38         const struct v4l2_format *fmt = parg;
  39         struct vivid_dev *dev = vb2_get_drv_priv(vq);
  40         const struct vivid_fmt *vfmt = dev->fmt_out;
  41         unsigned planes = vfmt->buffers;
  42         unsigned h = dev->fmt_out_rect.height;
  43         unsigned size = dev->bytesperline_out[0] * h;
  44         unsigned p;
  45
  46         for (p = vfmt->buffers; p < vfmt->planes; p++)
  47                 size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p];
  48
  49         if (dev->field_out == V4L2_FIELD_ALTERNATE) {
  50                 /*
  51                  * You cannot use write() with FIELD_ALTERNATE since the field
  52                  * information (TOP/BOTTOM) cannot be passed to the kernel.
  53                  */
  54                 if (vb2_fileio_is_active(vq))
  55                         return -EINVAL;
  56         }
  57
  58         if (dev->queue_setup_error) {
  59                 /*
  60                  * Error injection: test what happens if queue_setup() returns
  61                  * an error.
  62                  */
  63                 dev->queue_setup_error = false;
  64                 return -EINVAL;
  65         }
  66
  67         if (fmt) {
  68                 const struct v4l2_pix_format_mplane *mp;
  69                 struct v4l2_format mp_fmt;
  70
  71                 if (!V4L2_TYPE_IS_MULTIPLANAR(fmt->type)) {
  72                         fmt_sp2mp(fmt, &mp_fmt);
  73                         fmt = &mp_fmt;
  74                 }
  75                 mp = &fmt->fmt.pix_mp;
  76                 /*
  77                  * Check if the number of planes in the specified format match
  78                  * the number of planes in the current format. You can't mix that.
  79                  */
  80                 if (mp->num_planes != planes)
  81                         return -EINVAL;
  82                 sizes[0] = mp->plane_fmt[0].sizeimage;
  83                 if (sizes[0] < size)
  84                         return -EINVAL;
  85                 for (p = 1; p < planes; p++) {
  86                         sizes[p] = mp->plane_fmt[p].sizeimage;
  87                         if (sizes[p] < dev->bytesperline_out[p] * h)
  88                                 return -EINVAL;
  89                 }
  90         } else {
  91                 for (p = 0; p < planes; p++)
  92                         sizes[p] = p ? dev->bytesperline_out[p] * h : size;
  93         }
  94
  95         if (vq->num_buffers + *nbuffers < 2)
  96                 *nbuffers = 2 - vq->num_buffers;
  97
  98         *nplanes = planes;
  99
 100         /*
 101          * videobuf2-vmalloc allocator is context-less so no need to set
 102          * alloc_ctxs array.
 103          */
 104
 105         dprintk(dev, 1, "%s: count=%d\n", __func__, *nbuffers);
 106         for (p = 0; p < planes; p++)
 107                 dprintk(dev, 1, "%s: size[%u]=%u\n", __func__, p, sizes[p]);
 108         return 0;
 109 }
 110
 111 static int vid_out_buf_prepare(struct vb2_buffer *vb)
 112 {
 113         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 114         struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
 115         unsigned long size;
 116         unsigned planes;
 117         unsigned p;
 118
 119         dprintk(dev, 1, "%s\n", __func__);
 120
 121         if (WARN_ON(NULL == dev->fmt_out))
 122                 return -EINVAL;
 123
 124         planes = dev->fmt_out->planes;
 125
 126         if (dev->buf_prepare_error) {
 127                 /*
 128                  * Error injection: test what happens if buf_prepare() returns
 129                  * an error.
 130                  */
 131                 dev->buf_prepare_error = false;
 132                 return -EINVAL;
 133         }
 134
 135         if (dev->field_out != V4L2_FIELD_ALTERNATE)
 136                 vbuf->field = dev->field_out;
 137         else if (vbuf->field != V4L2_FIELD_TOP &&
 138                  vbuf->field != V4L2_FIELD_BOTTOM)
 139                 return -EINVAL;
 140
 141         for (p = 0; p < planes; p++) {
 142                 size = dev->bytesperline_out[p] * dev->fmt_out_rect.height +
 143                         vb->planes[p].data_offset;
 144
 145                 if (vb2_get_plane_payload(vb, p) < size) {
 146                         dprintk(dev, 1, "%s the payload is too small for plane %u (%lu < %lu)\n",
 147                                         __func__, p, vb2_get_plane_payload(vb, p), size);
 148                         return -EINVAL;
 149                 }
 150         }
 151
 152         return 0;
 153 }
 154
 155 static void vid_out_buf_queue(struct vb2_buffer *vb)
 156 {
 157         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 158         struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
 159         struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb);
 160
 161         dprintk(dev, 1, "%s\n", __func__);
 162
 163         spin_lock(&dev->slock);
 164         list_add_tail(&buf->list, &dev->vid_out_active);
 165         spin_unlock(&dev->slock);
 166 }
 167
 168 static int vid_out_start_streaming(struct vb2_queue *vq, unsigned count)
 169 {
 170         struct vivid_dev *dev = vb2_get_drv_priv(vq);
 171         int err;
 172
 173         if (vb2_is_streaming(&dev->vb_vid_cap_q))
 174                 dev->can_loop_video = vivid_vid_can_loop(dev);
 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,
 190                                         VB2_BUF_STATE_QUEUED);
 191                 }
 192         }
 193         return err;
 194 }
 195
 196 /* abort streaming and wait for last buffer */
 197 static void vid_out_stop_streaming(struct vb2_queue *vq)
 198 {
 199         struct vivid_dev *dev = vb2_get_drv_priv(vq);
 200
 201         dprintk(dev, 1, "%s\n", __func__);
 202         vivid_stop_generating_vid_out(dev, &dev->vid_out_streaming);
 203         dev->can_loop_video = false;
 204 }
 205
 206 const struct vb2_ops vivid_vid_out_qops = {
 207         .queue_setup            = vid_out_queue_setup,
 208         .buf_prepare            = vid_out_buf_prepare,
 209         .buf_queue              = vid_out_buf_queue,
 210         .start_streaming        = vid_out_start_streaming,
 211         .stop_streaming         = vid_out_stop_streaming,
 212         .wait_prepare           = vb2_ops_wait_prepare,
 213         .wait_finish            = vb2_ops_wait_finish,
 214 };
 215
 216 /*
 217  * Called whenever the format has to be reset which can occur when
 218  * changing outputs, standard, timings, etc.
 219  */
 220 void vivid_update_format_out(struct vivid_dev *dev)
 221 {
 222         struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
 223         unsigned size, p;
 224
 225         switch (dev->output_type[dev->output]) {
 226         case SVID:
 227         default:
 228                 dev->field_out = dev->tv_field_out;
 229                 dev->sink_rect.width = 720;
 230                 if (dev->std_out & V4L2_STD_525_60) {
 231                         dev->sink_rect.height = 480;
 232                         dev->timeperframe_vid_out = (struct v4l2_fract) { 1001, 30000 };
 233                         dev->service_set_out = V4L2_SLICED_CAPTION_525;
 234                 } else {
 235                         dev->sink_rect.height = 576;
 236                         dev->timeperframe_vid_out = (struct v4l2_fract) { 1000, 25000 };
 237                         dev->service_set_out = V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B;
 238                 }
 239                 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
 240                 break;
 241         case HDMI:
 242                 dev->sink_rect.width = bt->width;
 243                 dev->sink_rect.height = bt->height;
 244                 size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt);
 245                 dev->timeperframe_vid_out = (struct v4l2_fract) {
 246                         size / 100, (u32)bt->pixelclock / 100
 247                 };
 248                 if (bt->interlaced)
 249                         dev->field_out = V4L2_FIELD_ALTERNATE;
 250                 else
 251                         dev->field_out = V4L2_FIELD_NONE;
 252                 if (!dev->dvi_d_out && (bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
 253                         if (bt->width == 720 && bt->height <= 576)
 254                                 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
 255                         else
 256                                 dev->colorspace_out = V4L2_COLORSPACE_REC709;
 257                 } else {
 258                         dev->colorspace_out = V4L2_COLORSPACE_SRGB;
 259                 }
 260                 break;
 261         }
 262         dev->xfer_func_out = V4L2_XFER_FUNC_DEFAULT;
 263         dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT;
 264         dev->quantization_out = V4L2_QUANTIZATION_DEFAULT;
 265         dev->compose_out = dev->sink_rect;
 266         dev->compose_bounds_out = dev->sink_rect;
 267         dev->crop_out = dev->compose_out;
 268         if (V4L2_FIELD_HAS_T_OR_B(dev->field_out))
 269                 dev->crop_out.height /= 2;
 270         dev->fmt_out_rect = dev->crop_out;
 271         for (p = 0; p < dev->fmt_out->planes; p++)
 272                 dev->bytesperline_out[p] =
 273                         (dev->sink_rect.width * dev->fmt_out->bit_depth[p]) / 8;
 274 }
 275
 276 /* Map the field to something that is valid for the current output */
 277 static enum v4l2_field vivid_field_out(struct vivid_dev *dev, enum v4l2_field field)
 278 {
 279         if (vivid_is_svid_out(dev)) {
 280                 switch (field) {
 281                 case V4L2_FIELD_INTERLACED_TB:
 282                 case V4L2_FIELD_INTERLACED_BT:
 283                 case V4L2_FIELD_SEQ_TB:
 284                 case V4L2_FIELD_SEQ_BT:
 285                 case V4L2_FIELD_ALTERNATE:
 286                         return field;
 287                 case V4L2_FIELD_INTERLACED:
 288                 default:
 289                         return V4L2_FIELD_INTERLACED;
 290                 }
 291         }
 292         if (vivid_is_hdmi_out(dev))
 293                 return dev->dv_timings_out.bt.interlaced ? V4L2_FIELD_ALTERNATE :
 294                                                        V4L2_FIELD_NONE;
 295         return V4L2_FIELD_NONE;
 296 }
 297
 298 static enum tpg_pixel_aspect vivid_get_pixel_aspect(const struct vivid_dev *dev)
 299 {
 300         if (vivid_is_svid_out(dev))
 301                 return (dev->std_out & V4L2_STD_525_60) ?
 302                         TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
 303
 304         if (vivid_is_hdmi_out(dev) &&
 305             dev->sink_rect.width == 720 && dev->sink_rect.height <= 576)
 306                 return dev->sink_rect.height == 480 ?
 307                         TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
 308
 309         return TPG_PIXEL_ASPECT_SQUARE;
 310 }
 311
 312 int vivid_g_fmt_vid_out(struct file *file, void *priv,
 313                                         struct v4l2_format *f)
 314 {
 315         struct vivid_dev *dev = video_drvdata(file);
 316         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 317         const struct vivid_fmt *fmt = dev->fmt_out;
 318         unsigned p;
 319
 320         mp->width        = dev->fmt_out_rect.width;
 321         mp->height       = dev->fmt_out_rect.height;
 322         mp->field        = dev->field_out;
 323         mp->pixelformat  = fmt->fourcc;
 324         mp->colorspace   = dev->colorspace_out;
 325         mp->xfer_func    = dev->xfer_func_out;
 326         mp->ycbcr_enc    = dev->ycbcr_enc_out;
 327         mp->quantization = dev->quantization_out;
 328         mp->num_planes = fmt->buffers;
 329         for (p = 0; p < mp->num_planes; p++) {
 330                 mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p];
 331                 mp->plane_fmt[p].sizeimage =
 332                         mp->plane_fmt[p].bytesperline * mp->height;
 333         }
 334         for (p = fmt->buffers; p < fmt->planes; p++) {
 335                 unsigned stride = dev->bytesperline_out[p];
 336
 337                 mp->plane_fmt[0].sizeimage +=
 338                         (stride * mp->height) / fmt->vdownsampling[p];
 339         }
 340         return 0;
 341 }
 342
 343 int vivid_try_fmt_vid_out(struct file *file, void *priv,
 344                         struct v4l2_format *f)
 345 {
 346         struct vivid_dev *dev = video_drvdata(file);
 347         struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
 348         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 349         struct v4l2_plane_pix_format *pfmt = mp->plane_fmt;
 350         const struct vivid_fmt *fmt;
 351         unsigned bytesperline, max_bpl;
 352         unsigned factor = 1;
 353         unsigned w, h;
 354         unsigned p;
 355
 356         fmt = vivid_get_format(dev, mp->pixelformat);
 357         if (!fmt) {
 358                 dprintk(dev, 1, "Fourcc format (0x%08x) unknown.\n",
 359                         mp->pixelformat);
 360                 mp->pixelformat = V4L2_PIX_FMT_YUYV;
 361                 fmt = vivid_get_format(dev, mp->pixelformat);
 362         }
 363
 364         mp->field = vivid_field_out(dev, mp->field);
 365         if (vivid_is_svid_out(dev)) {
 366                 w = 720;
 367                 h = (dev->std_out & V4L2_STD_525_60) ? 480 : 576;
 368         } else {
 369                 w = dev->sink_rect.width;
 370                 h = dev->sink_rect.height;
 371         }
 372         if (V4L2_FIELD_HAS_T_OR_B(mp->field))
 373                 factor = 2;
 374         if (!dev->has_scaler_out && !dev->has_crop_out && !dev->has_compose_out) {
 375                 mp->width = w;
 376                 mp->height = h / factor;
 377         } else {
 378                 struct v4l2_rect r = { 0, 0, mp->width, mp->height * factor };
 379
 380                 rect_set_min_size(&r, &vivid_min_rect);
 381                 rect_set_max_size(&r, &vivid_max_rect);
 382                 if (dev->has_scaler_out && !dev->has_crop_out) {
 383                         struct v4l2_rect max_r = { 0, 0, MAX_ZOOM * w, MAX_ZOOM * h };
 384
 385                         rect_set_max_size(&r, &max_r);
 386                 } else if (!dev->has_scaler_out && dev->has_compose_out && !dev->has_crop_out) {
 387                         rect_set_max_size(&r, &dev->sink_rect);
 388                 } else if (!dev->has_scaler_out && !dev->has_compose_out) {
 389                         rect_set_min_size(&r, &dev->sink_rect);
 390                 }
 391                 mp->width = r.width;
 392                 mp->height = r.height / factor;
 393         }
 394
 395         /* This driver supports custom bytesperline values */
 396
 397         /* Calculate the minimum supported bytesperline value */
 398         bytesperline = (mp->width * fmt->bit_depth[0]) >> 3;
 399         /* Calculate the maximum supported bytesperline value */
 400         max_bpl = (MAX_ZOOM * MAX_WIDTH * fmt->bit_depth[0]) >> 3;
 401         mp->num_planes = fmt->buffers;
 402         for (p = 0; p < mp->num_planes; p++) {
 403                 if (pfmt[p].bytesperline > max_bpl)
 404                         pfmt[p].bytesperline = max_bpl;
 405                 if (pfmt[p].bytesperline < bytesperline)
 406                         pfmt[p].bytesperline = bytesperline;
 407                 pfmt[p].sizeimage = pfmt[p].bytesperline * mp->height;
 408                 memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
 409         }
 410         for (p = fmt->buffers; p < fmt->planes; p++)
 411                 pfmt[0].sizeimage += (pfmt[0].bytesperline * fmt->bit_depth[p]) /
 412                                      (fmt->bit_depth[0] * fmt->vdownsampling[p]);
 413         mp->xfer_func = V4L2_XFER_FUNC_DEFAULT;
 414         mp->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
 415         mp->quantization = V4L2_QUANTIZATION_DEFAULT;
 416         if (vivid_is_svid_out(dev)) {
 417                 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
 418         } else if (dev->dvi_d_out || !(bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
 419                 mp->colorspace = V4L2_COLORSPACE_SRGB;
 420                 if (dev->dvi_d_out)
 421                         mp->quantization = V4L2_QUANTIZATION_LIM_RANGE;
 422         } else if (bt->width == 720 && bt->height <= 576) {
 423                 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
 424         } else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M &&
 425                    mp->colorspace != V4L2_COLORSPACE_REC709 &&
 426                    mp->colorspace != V4L2_COLORSPACE_ADOBERGB &&
 427                    mp->colorspace != V4L2_COLORSPACE_BT2020 &&
 428                    mp->colorspace != V4L2_COLORSPACE_SRGB) {
 429                 mp->colorspace = V4L2_COLORSPACE_REC709;
 430         }
 431         memset(mp->reserved, 0, sizeof(mp->reserved));
 432         return 0;
 433 }
 434
 435 int vivid_s_fmt_vid_out(struct file *file, void *priv,
 436                                         struct v4l2_format *f)
 437 {
 438         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 439         struct vivid_dev *dev = video_drvdata(file);
 440         struct v4l2_rect *crop = &dev->crop_out;
 441         struct v4l2_rect *compose = &dev->compose_out;
 442         struct vb2_queue *q = &dev->vb_vid_out_q;
 443         int ret = vivid_try_fmt_vid_out(file, priv, f);
 444         unsigned factor = 1;
 445         unsigned p;
 446
 447         if (ret < 0)
 448                 return ret;
 449
 450         if (vb2_is_busy(q) &&
 451             (vivid_is_svid_out(dev) ||
 452              mp->width != dev->fmt_out_rect.width ||
 453              mp->height != dev->fmt_out_rect.height ||
 454              mp->pixelformat != dev->fmt_out->fourcc ||
 455              mp->field != dev->field_out)) {
 456                 dprintk(dev, 1, "%s device busy\n", __func__);
 457                 return -EBUSY;
 458         }
 459
 460         /*
 461          * Allow for changing the colorspace on the fly. Useful for testing
 462          * purposes, and it is something that HDMI transmitters are able
 463          * to do.
 464          */
 465         if (vb2_is_busy(q))
 466                 goto set_colorspace;
 467
 468         dev->fmt_out = vivid_get_format(dev, mp->pixelformat);
 469         if (V4L2_FIELD_HAS_T_OR_B(mp->field))
 470                 factor = 2;
 471
 472         if (dev->has_scaler_out || dev->has_crop_out || dev->has_compose_out) {
 473                 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
 474
 475                 if (dev->has_scaler_out) {
 476                         if (dev->has_crop_out)
 477                                 rect_map_inside(crop, &r);
 478                         else
 479                                 *crop = r;
 480                         if (dev->has_compose_out && !dev->has_crop_out) {
 481                                 struct v4l2_rect min_r = {
 482                                         0, 0,
 483                                         r.width / MAX_ZOOM,
 484                                         factor * r.height / MAX_ZOOM
 485                                 };
 486                                 struct v4l2_rect max_r = {
 487                                         0, 0,
 488                                         r.width * MAX_ZOOM,
 489                                         factor * r.height * MAX_ZOOM
 490                                 };
 491
 492                                 rect_set_min_size(compose, &min_r);
 493                                 rect_set_max_size(compose, &max_r);
 494                                 rect_map_inside(compose, &dev->compose_bounds_out);
 495                         } else if (dev->has_compose_out) {
 496                                 struct v4l2_rect min_r = {
 497                                         0, 0,
 498                                         crop->width / MAX_ZOOM,
 499                                         factor * crop->height / MAX_ZOOM
 500                                 };
 501                                 struct v4l2_rect max_r = {
 502                                         0, 0,
 503                                         crop->width * MAX_ZOOM,
 504                                         factor * crop->height * MAX_ZOOM
 505                                 };
 506
 507                                 rect_set_min_size(compose, &min_r);
 508                                 rect_set_max_size(compose, &max_r);
 509                                 rect_map_inside(compose, &dev->compose_bounds_out);
 510                         }
 511                 } else if (dev->has_compose_out && !dev->has_crop_out) {
 512                         rect_set_size_to(crop, &r);
 513                         r.height *= factor;
 514                         rect_set_size_to(compose, &r);
 515                         rect_map_inside(compose, &dev->compose_bounds_out);
 516                 } else if (!dev->has_compose_out) {
 517                         rect_map_inside(crop, &r);
 518                         r.height /= factor;
 519                         rect_set_size_to(compose, &r);
 520                 } else {
 521                         r.height *= factor;
 522                         rect_set_max_size(compose, &r);
 523                         rect_map_inside(compose, &dev->compose_bounds_out);
 524                         crop->top *= factor;
 525                         crop->height *= factor;
 526                         rect_set_size_to(crop, compose);
 527                         rect_map_inside(crop, &r);
 528                         crop->top /= factor;
 529                         crop->height /= factor;
 530                 }
 531         } else {
 532                 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
 533
 534                 rect_set_size_to(crop, &r);
 535                 r.height /= factor;
 536                 rect_set_size_to(compose, &r);
 537         }
 538
 539         dev->fmt_out_rect.width = mp->width;
 540         dev->fmt_out_rect.height = mp->height;
 541         for (p = 0; p < mp->num_planes; p++)
 542                 dev->bytesperline_out[p] = mp->plane_fmt[p].bytesperline;
 543         for (p = dev->fmt_out->buffers; p < dev->fmt_out->planes; p++)
 544                 dev->bytesperline_out[p] =
 545                         (dev->bytesperline_out[0] * dev->fmt_out->bit_depth[p]) /
 546                         dev->fmt_out->bit_depth[0];
 547         dev->field_out = mp->field;
 548         if (vivid_is_svid_out(dev))
 549                 dev->tv_field_out = mp->field;
 550
 551 set_colorspace:
 552         dev->colorspace_out = mp->colorspace;
 553         dev->xfer_func_out = mp->xfer_func;
 554         dev->ycbcr_enc_out = mp->ycbcr_enc;
 555         dev->quantization_out = mp->quantization;
 556         if (dev->loop_video) {
 557                 vivid_send_source_change(dev, SVID);
 558                 vivid_send_source_change(dev, HDMI);
 559         }
 560         return 0;
 561 }
 562
 563 int vidioc_g_fmt_vid_out_mplane(struct file *file, void *priv,
 564                                         struct v4l2_format *f)
 565 {
 566         struct vivid_dev *dev = video_drvdata(file);
 567
 568         if (!dev->multiplanar)
 569                 return -ENOTTY;
 570         return vivid_g_fmt_vid_out(file, priv, f);
 571 }
 572
 573 int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
 574                         struct v4l2_format *f)
 575 {
 576         struct vivid_dev *dev = video_drvdata(file);
 577
 578         if (!dev->multiplanar)
 579                 return -ENOTTY;
 580         return vivid_try_fmt_vid_out(file, priv, f);
 581 }
 582
 583 int vidioc_s_fmt_vid_out_mplane(struct file *file, void *priv,
 584                         struct v4l2_format *f)
 585 {
 586         struct vivid_dev *dev = video_drvdata(file);
 587
 588         if (!dev->multiplanar)
 589                 return -ENOTTY;
 590         return vivid_s_fmt_vid_out(file, priv, f);
 591 }
 592
 593 int vidioc_g_fmt_vid_out(struct file *file, void *priv,
 594                                         struct v4l2_format *f)
 595 {
 596         struct vivid_dev *dev = video_drvdata(file);
 597
 598         if (dev->multiplanar)
 599                 return -ENOTTY;
 600         return fmt_sp2mp_func(file, priv, f, vivid_g_fmt_vid_out);
 601 }
 602
 603 int vidioc_try_fmt_vid_out(struct file *file, void *priv,
 604                         struct v4l2_format *f)
 605 {
 606         struct vivid_dev *dev = video_drvdata(file);
 607
 608         if (dev->multiplanar)
 609                 return -ENOTTY;
 610         return fmt_sp2mp_func(file, priv, f, vivid_try_fmt_vid_out);
 611 }
 612
 613 int vidioc_s_fmt_vid_out(struct file *file, void *priv,
 614                         struct v4l2_format *f)
 615 {
 616         struct vivid_dev *dev = video_drvdata(file);
 617
 618         if (dev->multiplanar)
 619                 return -ENOTTY;
 620         return fmt_sp2mp_func(file, priv, f, vivid_s_fmt_vid_out);
 621 }
 622
 623 int vivid_vid_out_g_selection(struct file *file, void *priv,
 624                               struct v4l2_selection *sel)
 625 {
 626         struct vivid_dev *dev = video_drvdata(file);
 627
 628         if (!dev->has_crop_out && !dev->has_compose_out)
 629                 return -ENOTTY;
 630         if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 631                 return -EINVAL;
 632
 633         sel->r.left = sel->r.top = 0;
 634         switch (sel->target) {
 635         case V4L2_SEL_TGT_CROP:
 636                 if (!dev->has_crop_out)
 637                         return -EINVAL;
 638                 sel->r = dev->crop_out;
 639                 break;
 640         case V4L2_SEL_TGT_CROP_DEFAULT:
 641                 if (!dev->has_crop_out)
 642                         return -EINVAL;
 643                 sel->r = dev->fmt_out_rect;
 644                 break;
 645         case V4L2_SEL_TGT_CROP_BOUNDS:
 646                 if (!dev->has_crop_out)
 647                         return -EINVAL;
 648                 sel->r = vivid_max_rect;
 649                 break;
 650         case V4L2_SEL_TGT_COMPOSE:
 651                 if (!dev->has_compose_out)
 652                         return -EINVAL;
 653                 sel->r = dev->compose_out;
 654                 break;
 655         case V4L2_SEL_TGT_COMPOSE_DEFAULT:
 656         case V4L2_SEL_TGT_COMPOSE_BOUNDS:
 657                 if (!dev->has_compose_out)
 658                         return -EINVAL;
 659                 sel->r = dev->sink_rect;
 660                 break;
 661         default:
 662                 return -EINVAL;
 663         }
 664         return 0;
 665 }
 666
 667 int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 668 {
 669         struct vivid_dev *dev = video_drvdata(file);
 670         struct v4l2_rect *crop = &dev->crop_out;
 671         struct v4l2_rect *compose = &dev->compose_out;
 672         unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_out) ? 2 : 1;
 673         int ret;
 674
 675         if (!dev->has_crop_out && !dev->has_compose_out)
 676                 return -ENOTTY;
 677         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 678                 return -EINVAL;
 679
 680         switch (s->target) {
 681         case V4L2_SEL_TGT_CROP:
 682                 if (!dev->has_crop_out)
 683                         return -EINVAL;
 684                 ret = vivid_vid_adjust_sel(s->flags, &s->r);
 685                 if (ret)
 686                         return ret;
 687                 rect_set_min_size(&s->r, &vivid_min_rect);
 688                 rect_set_max_size(&s->r, &dev->fmt_out_rect);
 689                 if (dev->has_scaler_out) {
 690                         struct v4l2_rect max_rect = {
 691                                 0, 0,
 692                                 dev->sink_rect.width * MAX_ZOOM,
 693                                 (dev->sink_rect.height / factor) * MAX_ZOOM
 694                         };
 695
 696                         rect_set_max_size(&s->r, &max_rect);
 697                         if (dev->has_compose_out) {
 698                                 struct v4l2_rect min_rect = {
 699                                         0, 0,
 700                                         s->r.width / MAX_ZOOM,
 701                                         (s->r.height * factor) / MAX_ZOOM
 702                                 };
 703                                 struct v4l2_rect max_rect = {
 704                                         0, 0,
 705                                         s->r.width * MAX_ZOOM,
 706                                         (s->r.height * factor) * MAX_ZOOM
 707                                 };
 708
 709                                 rect_set_min_size(compose, &min_rect);
 710                                 rect_set_max_size(compose, &max_rect);
 711                                 rect_map_inside(compose, &dev->compose_bounds_out);
 712                         }
 713                 } else if (dev->has_compose_out) {
 714                         s->r.top *= factor;
 715                         s->r.height *= factor;
 716                         rect_set_max_size(&s->r, &dev->sink_rect);
 717                         rect_set_size_to(compose, &s->r);
 718                         rect_map_inside(compose, &dev->compose_bounds_out);
 719                         s->r.top /= factor;
 720                         s->r.height /= factor;
 721                 } else {
 722                         rect_set_size_to(&s->r, &dev->sink_rect);
 723                         s->r.height /= factor;
 724                 }
 725                 rect_map_inside(&s->r, &dev->fmt_out_rect);
 726                 *crop = s->r;
 727                 break;
 728         case V4L2_SEL_TGT_COMPOSE:
 729                 if (!dev->has_compose_out)
 730                         return -EINVAL;
 731                 ret = vivid_vid_adjust_sel(s->flags, &s->r);
 732                 if (ret)
 733                         return ret;
 734                 rect_set_min_size(&s->r, &vivid_min_rect);
 735                 rect_set_max_size(&s->r, &dev->sink_rect);
 736                 rect_map_inside(&s->r, &dev->compose_bounds_out);
 737                 s->r.top /= factor;
 738                 s->r.height /= factor;
 739                 if (dev->has_scaler_out) {
 740                         struct v4l2_rect fmt = dev->fmt_out_rect;
 741                         struct v4l2_rect max_rect = {
 742                                 0, 0,
 743                                 s->r.width * MAX_ZOOM,
 744                                 s->r.height * MAX_ZOOM
 745                         };
 746                         struct v4l2_rect min_rect = {
 747                                 0, 0,
 748                                 s->r.width / MAX_ZOOM,
 749                                 s->r.height / MAX_ZOOM
 750                         };
 751
 752                         rect_set_min_size(&fmt, &min_rect);
 753                         if (!dev->has_crop_out)
 754                                 rect_set_max_size(&fmt, &max_rect);
 755                         if (!rect_same_size(&dev->fmt_out_rect, &fmt) &&
 756                             vb2_is_busy(&dev->vb_vid_out_q))
 757                                 return -EBUSY;
 758                         if (dev->has_crop_out) {
 759                                 rect_set_min_size(crop, &min_rect);
 760                                 rect_set_max_size(crop, &max_rect);
 761                         }
 762                         dev->fmt_out_rect = fmt;
 763                 } else if (dev->has_crop_out) {
 764                         struct v4l2_rect fmt = dev->fmt_out_rect;
 765
 766                         rect_set_min_size(&fmt, &s->r);
 767                         if (!rect_same_size(&dev->fmt_out_rect, &fmt) &&
 768                             vb2_is_busy(&dev->vb_vid_out_q))
 769                                 return -EBUSY;
 770                         dev->fmt_out_rect = fmt;
 771                         rect_set_size_to(crop, &s->r);
 772                         rect_map_inside(crop, &dev->fmt_out_rect);
 773                 } else {
 774                         if (!rect_same_size(&s->r, &dev->fmt_out_rect) &&
 775                             vb2_is_busy(&dev->vb_vid_out_q))
 776                                 return -EBUSY;
 777                         rect_set_size_to(&dev->fmt_out_rect, &s->r);
 778                         rect_set_size_to(crop, &s->r);
 779                         crop->height /= factor;
 780                         rect_map_inside(crop, &dev->fmt_out_rect);
 781                 }
 782                 s->r.top *= factor;
 783                 s->r.height *= factor;
 784                 if (dev->bitmap_out && (compose->width != s->r.width ||
 785                                         compose->height != s->r.height)) {
 786                         kfree(dev->bitmap_out);
 787                         dev->bitmap_out = NULL;
 788                 }
 789                 *compose = s->r;
 790                 break;
 791         default:
 792                 return -EINVAL;
 793         }
 794
 795         return 0;
 796 }
 797
 798 int vivid_vid_out_cropcap(struct file *file, void *priv,
 799                               struct v4l2_cropcap *cap)
 800 {
 801         struct vivid_dev *dev = video_drvdata(file);
 802
 803         if (cap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 804                 return -EINVAL;
 805
 806         switch (vivid_get_pixel_aspect(dev)) {
 807         case TPG_PIXEL_ASPECT_NTSC:
 808                 cap->pixelaspect.numerator = 11;
 809                 cap->pixelaspect.denominator = 10;
 810                 break;
 811         case TPG_PIXEL_ASPECT_PAL:
 812                 cap->pixelaspect.numerator = 54;
 813                 cap->pixelaspect.denominator = 59;
 814                 break;
 815         case TPG_PIXEL_ASPECT_SQUARE:
 816                 cap->pixelaspect.numerator = 1;
 817                 cap->pixelaspect.denominator = 1;
 818                 break;
 819         }
 820         return 0;
 821 }
 822
 823 int vidioc_g_fmt_vid_out_overlay(struct file *file, void *priv,
 824                                         struct v4l2_format *f)
 825 {
 826         struct vivid_dev *dev = video_drvdata(file);
 827         const struct v4l2_rect *compose = &dev->compose_out;
 828         struct v4l2_window *win = &f->fmt.win;
 829         unsigned clipcount = win->clipcount;
 830
 831         if (!dev->has_fb)
 832                 return -EINVAL;
 833         win->w.top = dev->overlay_out_top;
 834         win->w.left = dev->overlay_out_left;
 835         win->w.width = compose->width;
 836         win->w.height = compose->height;
 837         win->clipcount = dev->clipcount_out;
 838         win->field = V4L2_FIELD_ANY;
 839         win->chromakey = dev->chromakey_out;
 840         win->global_alpha = dev->global_alpha_out;
 841         if (clipcount > dev->clipcount_out)
 842                 clipcount = dev->clipcount_out;
 843         if (dev->bitmap_out == NULL)
 844                 win->bitmap = NULL;
 845         else if (win->bitmap) {
 846                 if (copy_to_user(win->bitmap, dev->bitmap_out,
 847                     ((dev->compose_out.width + 7) / 8) * dev->compose_out.height))
 848                         return -EFAULT;
 849         }
 850         if (clipcount && win->clips) {
 851                 if (copy_to_user(win->clips, dev->clips_out,
 852                                  clipcount * sizeof(dev->clips_out[0])))
 853                         return -EFAULT;
 854         }
 855         return 0;
 856 }
 857
 858 int vidioc_try_fmt_vid_out_overlay(struct file *file, void *priv,
 859                                         struct v4l2_format *f)
 860 {
 861         struct vivid_dev *dev = video_drvdata(file);
 862         const struct v4l2_rect *compose = &dev->compose_out;
 863         struct v4l2_window *win = &f->fmt.win;
 864         int i, j;
 865
 866         if (!dev->has_fb)
 867                 return -EINVAL;
 868         win->w.left = clamp_t(int, win->w.left,
 869                               -dev->display_width, dev->display_width);
 870         win->w.top = clamp_t(int, win->w.top,
 871                              -dev->display_height, dev->display_height);
 872         win->w.width = compose->width;
 873         win->w.height = compose->height;
 874         /*
 875          * It makes no sense for an OSD to overlay only top or bottom fields,
 876          * so always set this to ANY.
 877          */
 878         win->field = V4L2_FIELD_ANY;
 879         if (win->clipcount && !win->clips)
 880                 win->clipcount = 0;
 881         if (win->clipcount > MAX_CLIPS)
 882                 win->clipcount = MAX_CLIPS;
 883         if (win->clipcount) {
 884                 if (copy_from_user(dev->try_clips_out, win->clips,
 885                                    win->clipcount * sizeof(dev->clips_out[0])))
 886                         return -EFAULT;
 887                 for (i = 0; i < win->clipcount; i++) {
 888                         struct v4l2_rect *r = &dev->try_clips_out[i].c;
 889
 890                         r->top = clamp_t(s32, r->top, 0, dev->display_height - 1);
 891                         r->height = clamp_t(s32, r->height, 1, dev->display_height - r->top);
 892                         r->left = clamp_t(u32, r->left, 0, dev->display_width - 1);
 893                         r->width = clamp_t(u32, r->width, 1, dev->display_width - r->left);
 894                 }
 895                 /*
 896                  * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small
 897                  * number and it's typically a one-time deal.
 898                  */
 899                 for (i = 0; i < win->clipcount - 1; i++) {
 900                         struct v4l2_rect *r1 = &dev->try_clips_out[i].c;
 901
 902                         for (j = i + 1; j < win->clipcount; j++) {
 903                                 struct v4l2_rect *r2 = &dev->try_clips_out[j].c;
 904
 905                                 if (rect_overlap(r1, r2))
 906                                         return -EINVAL;
 907                         }
 908                 }
 909                 if (copy_to_user(win->clips, dev->try_clips_out,
 910                                  win->clipcount * sizeof(dev->clips_out[0])))
 911                         return -EFAULT;
 912         }
 913         return 0;
 914 }
 915
 916 int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv,
 917                                         struct v4l2_format *f)
 918 {
 919         struct vivid_dev *dev = video_drvdata(file);
 920         const struct v4l2_rect *compose = &dev->compose_out;
 921         struct v4l2_window *win = &f->fmt.win;
 922         int ret = vidioc_try_fmt_vid_out_overlay(file, priv, f);
 923         unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height;
 924         unsigned clips_size = win->clipcount * sizeof(dev->clips_out[0]);
 925         void *new_bitmap = NULL;
 926
 927         if (ret)
 928                 return ret;
 929
 930         if (win->bitmap) {
 931                 new_bitmap = memdup_user(win->bitmap, bitmap_size);
 932
 933                 if (IS_ERR(new_bitmap))
 934                         return PTR_ERR(new_bitmap);
 935         }
 936
 937         dev->overlay_out_top = win->w.top;
 938         dev->overlay_out_left = win->w.left;
 939         kfree(dev->bitmap_out);
 940         dev->bitmap_out = new_bitmap;
 941         dev->clipcount_out = win->clipcount;
 942         if (dev->clipcount_out)
 943                 memcpy(dev->clips_out, dev->try_clips_out, clips_size);
 944         dev->chromakey_out = win->chromakey;
 945         dev->global_alpha_out = win->global_alpha;
 946         return ret;
 947 }
 948
 949 int vivid_vid_out_overlay(struct file *file, void *fh, unsigned i)
 950 {
 951         struct vivid_dev *dev = video_drvdata(file);
 952
 953         if (i && !dev->fmt_out->can_do_overlay) {
 954                 dprintk(dev, 1, "unsupported output format for output overlay\n");
 955                 return -EINVAL;
 956         }
 957
 958         dev->overlay_out_enabled = i;
 959         return 0;
 960 }
 961
 962 int vivid_vid_out_g_fbuf(struct file *file, void *fh,
 963                                 struct v4l2_framebuffer *a)
 964 {
 965         struct vivid_dev *dev = video_drvdata(file);
 966
 967         a->capability = V4L2_FBUF_CAP_EXTERNOVERLAY |
 968                         V4L2_FBUF_CAP_BITMAP_CLIPPING |
 969                         V4L2_FBUF_CAP_LIST_CLIPPING |
 970                         V4L2_FBUF_CAP_CHROMAKEY |
 971                         V4L2_FBUF_CAP_SRC_CHROMAKEY |
 972                         V4L2_FBUF_CAP_GLOBAL_ALPHA |
 973                         V4L2_FBUF_CAP_LOCAL_ALPHA |
 974                         V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
 975         a->flags = V4L2_FBUF_FLAG_OVERLAY | dev->fbuf_out_flags;
 976         a->base = (void *)dev->video_pbase;
 977         a->fmt.width = dev->display_width;
 978         a->fmt.height = dev->display_height;
 979         if (dev->fb_defined.green.length == 5)
 980                 a->fmt.pixelformat = V4L2_PIX_FMT_ARGB555;
 981         else
 982                 a->fmt.pixelformat = V4L2_PIX_FMT_RGB565;
 983         a->fmt.bytesperline = dev->display_byte_stride;
 984         a->fmt.sizeimage = a->fmt.height * a->fmt.bytesperline;
 985         a->fmt.field = V4L2_FIELD_NONE;
 986         a->fmt.colorspace = V4L2_COLORSPACE_SRGB;
 987         a->fmt.priv = 0;
 988         return 0;
 989 }
 990
 991 int vivid_vid_out_s_fbuf(struct file *file, void *fh,
 992                                 const struct v4l2_framebuffer *a)
 993 {
 994         struct vivid_dev *dev = video_drvdata(file);
 995         const unsigned chroma_flags = V4L2_FBUF_FLAG_CHROMAKEY |
 996                                       V4L2_FBUF_FLAG_SRC_CHROMAKEY;
 997         const unsigned alpha_flags = V4L2_FBUF_FLAG_GLOBAL_ALPHA |
 998                                      V4L2_FBUF_FLAG_LOCAL_ALPHA |
 999                                      V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1000
1001
1002         if ((a->flags & chroma_flags) == chroma_flags)
1003                 return -EINVAL;
1004         switch (a->flags & alpha_flags) {
1005         case 0:
1006         case V4L2_FBUF_FLAG_GLOBAL_ALPHA:
1007         case V4L2_FBUF_FLAG_LOCAL_ALPHA:
1008         case V4L2_FBUF_FLAG_LOCAL_INV_ALPHA:
1009                 break;
1010         default:
1011                 return -EINVAL;
1012         }
1013         dev->fbuf_out_flags &= ~(chroma_flags | alpha_flags);
1014         dev->fbuf_out_flags |= a->flags & (chroma_flags | alpha_flags);
1015         return 0;
1016 }
1017
1018 static const struct v4l2_audioout vivid_audio_outputs[] = {
1019         { 0, "Line-Out 1" },
1020         { 1, "Line-Out 2" },
1021 };
1022
1023 int vidioc_enum_output(struct file *file, void *priv,
1024                                 struct v4l2_output *out)
1025 {
1026         struct vivid_dev *dev = video_drvdata(file);
1027
1028         if (out->index >= dev->num_outputs)
1029                 return -EINVAL;
1030
1031         out->type = V4L2_OUTPUT_TYPE_ANALOG;
1032         switch (dev->output_type[out->index]) {
1033         case SVID:
1034                 snprintf(out->name, sizeof(out->name), "S-Video %u",
1035                                 dev->output_name_counter[out->index]);
1036                 out->std = V4L2_STD_ALL;
1037                 if (dev->has_audio_outputs)
1038                         out->audioset = (1 << ARRAY_SIZE(vivid_audio_outputs)) - 1;
1039                 out->capabilities = V4L2_OUT_CAP_STD;
1040                 break;
1041         case HDMI:
1042                 snprintf(out->name, sizeof(out->name), "HDMI %u",
1043                                 dev->output_name_counter[out->index]);
1044                 out->capabilities = V4L2_OUT_CAP_DV_TIMINGS;
1045                 break;
1046         }
1047         return 0;
1048 }
1049
1050 int vidioc_g_output(struct file *file, void *priv, unsigned *o)
1051 {
1052         struct vivid_dev *dev = video_drvdata(file);
1053
1054         *o = dev->output;
1055         return 0;
1056 }
1057
1058 int vidioc_s_output(struct file *file, void *priv, unsigned o)
1059 {
1060         struct vivid_dev *dev = video_drvdata(file);
1061
1062         if (o >= dev->num_outputs)
1063                 return -EINVAL;
1064
1065         if (o == dev->output)
1066                 return 0;
1067
1068         if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1069                 return -EBUSY;
1070
1071         dev->output = o;
1072         dev->tv_audio_output = 0;
1073         if (dev->output_type[o] == SVID)
1074                 dev->vid_out_dev.tvnorms = V4L2_STD_ALL;
1075         else
1076                 dev->vid_out_dev.tvnorms = 0;
1077
1078         dev->vbi_out_dev.tvnorms = dev->vid_out_dev.tvnorms;
1079         vivid_update_format_out(dev);
1080         return 0;
1081 }
1082
1083 int vidioc_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vout)
1084 {
1085         if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1086                 return -EINVAL;
1087         *vout = vivid_audio_outputs[vout->index];
1088         return 0;
1089 }
1090
1091 int vidioc_g_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
1092 {
1093         struct vivid_dev *dev = video_drvdata(file);
1094
1095         if (!vivid_is_svid_out(dev))
1096                 return -EINVAL;
1097         *vout = vivid_audio_outputs[dev->tv_audio_output];
1098         return 0;
1099 }
1100
1101 int vidioc_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout)
1102 {
1103         struct vivid_dev *dev = video_drvdata(file);
1104
1105         if (!vivid_is_svid_out(dev))
1106                 return -EINVAL;
1107         if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1108                 return -EINVAL;
1109         dev->tv_audio_output = vout->index;
1110         return 0;
1111 }
1112
1113 int vivid_vid_out_s_std(struct file *file, void *priv, v4l2_std_id id)
1114 {
1115         struct vivid_dev *dev = video_drvdata(file);
1116
1117         if (!vivid_is_svid_out(dev))
1118                 return -ENODATA;
1119         if (dev->std_out == id)
1120                 return 0;
1121         if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1122                 return -EBUSY;
1123         dev->std_out = id;
1124         vivid_update_format_out(dev);
1125         return 0;
1126 }
1127
1128 static bool valid_cvt_gtf_timings(struct v4l2_dv_timings *timings)
1129 {
1130         struct v4l2_bt_timings *bt = &timings->bt;
1131
1132         if ((bt->standards & (V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF)) &&
1133             v4l2_valid_dv_timings(timings, &vivid_dv_timings_cap, NULL, NULL))
1134                 return true;
1135
1136         return false;
1137 }
1138
1139 int vivid_vid_out_s_dv_timings(struct file *file, void *_fh,
1140                                     struct v4l2_dv_timings *timings)
1141 {
1142         struct vivid_dev *dev = video_drvdata(file);
1143         if (!vivid_is_hdmi_out(dev))
1144                 return -ENODATA;
1145         if (!v4l2_find_dv_timings_cap(timings, &vivid_dv_timings_cap,
1146                                 0, NULL, NULL) &&
1147             !valid_cvt_gtf_timings(timings))
1148                 return -EINVAL;
1149         if (v4l2_match_dv_timings(timings, &dev->dv_timings_out, 0))
1150                 return 0;
1151         if (vb2_is_busy(&dev->vb_vid_out_q))
1152                 return -EBUSY;
1153         dev->dv_timings_out = *timings;
1154         vivid_update_format_out(dev);
1155         return 0;
1156 }
1157
1158 int vivid_vid_out_g_parm(struct file *file, void *priv,
1159                           struct v4l2_streamparm *parm)
1160 {
1161         struct vivid_dev *dev = video_drvdata(file);
1162
1163         if (parm->type != (dev->multiplanar ?
1164                            V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
1165                            V4L2_BUF_TYPE_VIDEO_OUTPUT))
1166                 return -EINVAL;
1167
1168         parm->parm.output.capability   = V4L2_CAP_TIMEPERFRAME;
1169         parm->parm.output.timeperframe = dev->timeperframe_vid_out;
1170         parm->parm.output.writebuffers  = 1;
1171
1172         return 0;
1173 }
1174
1175 int vidioc_subscribe_event(struct v4l2_fh *fh,
1176                         const struct v4l2_event_subscription *sub)
1177 {
1178         switch (sub->type) {
1179         case V4L2_EVENT_CTRL:
1180                 return v4l2_ctrl_subscribe_event(fh, sub);
1181         case V4L2_EVENT_SOURCE_CHANGE:
1182                 if (fh->vdev->vfl_dir == VFL_DIR_RX)
1183                         return v4l2_src_change_event_subscribe(fh, sub);
1184                 break;
1185         default:
1186                 break;
1187         }
1188         return -EINVAL;
1189 }