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 #include <media/v4l2-rect.h>
  29
  30 #include "vivid-core.h"
  31 #include "vivid-vid-common.h"
  32 #include "vivid-kthread-out.h"
  33 #include "vivid-vid-out.h"
  34
  35 static int vid_out_queue_setup(struct vb2_queue *vq,
  36                        unsigned *nbuffers, unsigned *nplanes,
  37                        unsigned sizes[], struct device *alloc_devs[])
  38 {
  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 (*nplanes) {
  68                 /*
  69                  * Check if the number of requested planes match
  70                  * the number of planes in the current format. You can't mix that.
  71                  */
  72                 if (*nplanes != planes)
  73                         return -EINVAL;
  74                 if (sizes[0] < size)
  75                         return -EINVAL;
  76                 for (p = 1; p < planes; p++) {
  77                         if (sizes[p] < dev->bytesperline_out[p] * h)
  78                                 return -EINVAL;
  79                 }
  80         } else {
  81                 for (p = 0; p < planes; p++)
  82                         sizes[p] = p ? dev->bytesperline_out[p] * h : size;
  83         }
  84
  85         if (vq->num_buffers + *nbuffers < 2)
  86                 *nbuffers = 2 - vq->num_buffers;
  87
  88         *nplanes = planes;
  89
  90         dprintk(dev, 1, "%s: count=%d\n", __func__, *nbuffers);
  91         for (p = 0; p < planes; p++)
  92                 dprintk(dev, 1, "%s: size[%u]=%u\n", __func__, p, sizes[p]);
  93         return 0;
  94 }
  95
  96 static int vid_out_buf_prepare(struct vb2_buffer *vb)
  97 {
  98         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
  99         struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
 100         unsigned long size;
 101         unsigned planes;
 102         unsigned p;
 103
 104         dprintk(dev, 1, "%s\n", __func__);
 105
 106         if (WARN_ON(NULL == dev->fmt_out))
 107                 return -EINVAL;
 108
 109         planes = dev->fmt_out->planes;
 110
 111         if (dev->buf_prepare_error) {
 112                 /*
 113                  * Error injection: test what happens if buf_prepare() returns
 114                  * an error.
 115                  */
 116                 dev->buf_prepare_error = false;
 117                 return -EINVAL;
 118         }
 119
 120         if (dev->field_out != V4L2_FIELD_ALTERNATE)
 121                 vbuf->field = dev->field_out;
 122         else if (vbuf->field != V4L2_FIELD_TOP &&
 123                  vbuf->field != V4L2_FIELD_BOTTOM)
 124                 return -EINVAL;
 125
 126         for (p = 0; p < planes; p++) {
 127                 size = dev->bytesperline_out[p] * dev->fmt_out_rect.height +
 128                         vb->planes[p].data_offset;
 129
 130                 if (vb2_get_plane_payload(vb, p) < size) {
 131                         dprintk(dev, 1, "%s the payload is too small for plane %u (%lu < %lu)\n",
 132                                         __func__, p, vb2_get_plane_payload(vb, p), size);
 133                         return -EINVAL;
 134                 }
 135         }
 136
 137         return 0;
 138 }
 139
 140 static void vid_out_buf_queue(struct vb2_buffer *vb)
 141 {
 142         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 143         struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
 144         struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb);
 145
 146         dprintk(dev, 1, "%s\n", __func__);
 147
 148         spin_lock(&dev->slock);
 149         list_add_tail(&buf->list, &dev->vid_out_active);
 150         spin_unlock(&dev->slock);
 151 }
 152
 153 static int vid_out_start_streaming(struct vb2_queue *vq, unsigned count)
 154 {
 155         struct vivid_dev *dev = vb2_get_drv_priv(vq);
 156         int err;
 157
 158         if (vb2_is_streaming(&dev->vb_vid_cap_q))
 159                 dev->can_loop_video = vivid_vid_can_loop(dev);
 160
 161         dev->vid_out_seq_count = 0;
 162         dprintk(dev, 1, "%s\n", __func__);
 163         if (dev->start_streaming_error) {
 164                 dev->start_streaming_error = false;
 165                 err = -EINVAL;
 166         } else {
 167                 err = vivid_start_generating_vid_out(dev, &dev->vid_out_streaming);
 168         }
 169         if (err) {
 170                 struct vivid_buffer *buf, *tmp;
 171
 172                 list_for_each_entry_safe(buf, tmp, &dev->vid_out_active, list) {
 173                         list_del(&buf->list);
 174                         vb2_buffer_done(&buf->vb.vb2_buf,
 175                                         VB2_BUF_STATE_QUEUED);
 176                 }
 177         }
 178         return err;
 179 }
 180
 181 /* abort streaming and wait for last buffer */
 182 static void vid_out_stop_streaming(struct vb2_queue *vq)
 183 {
 184         struct vivid_dev *dev = vb2_get_drv_priv(vq);
 185
 186         dprintk(dev, 1, "%s\n", __func__);
 187         vivid_stop_generating_vid_out(dev, &dev->vid_out_streaming);
 188         dev->can_loop_video = false;
 189 }
 190
 191 const struct vb2_ops vivid_vid_out_qops = {
 192         .queue_setup            = vid_out_queue_setup,
 193         .buf_prepare            = vid_out_buf_prepare,
 194         .buf_queue              = vid_out_buf_queue,
 195         .start_streaming        = vid_out_start_streaming,
 196         .stop_streaming         = vid_out_stop_streaming,
 197         .wait_prepare           = vb2_ops_wait_prepare,
 198         .wait_finish            = vb2_ops_wait_finish,
 199 };
 200
 201 /*
 202  * Called whenever the format has to be reset which can occur when
 203  * changing outputs, standard, timings, etc.
 204  */
 205 void vivid_update_format_out(struct vivid_dev *dev)
 206 {
 207         struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
 208         unsigned size, p;
 209         u64 pixelclock;
 210
 211         switch (dev->output_type[dev->output]) {
 212         case SVID:
 213         default:
 214                 dev->field_out = dev->tv_field_out;
 215                 dev->sink_rect.width = 720;
 216                 if (dev->std_out & V4L2_STD_525_60) {
 217                         dev->sink_rect.height = 480;
 218                         dev->timeperframe_vid_out = (struct v4l2_fract) { 1001, 30000 };
 219                         dev->service_set_out = V4L2_SLICED_CAPTION_525;
 220                 } else {
 221                         dev->sink_rect.height = 576;
 222                         dev->timeperframe_vid_out = (struct v4l2_fract) { 1000, 25000 };
 223                         dev->service_set_out = V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B;
 224                 }
 225                 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
 226                 break;
 227         case HDMI:
 228                 dev->sink_rect.width = bt->width;
 229                 dev->sink_rect.height = bt->height;
 230                 size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt);
 231
 232                 if (can_reduce_fps(bt) && (bt->flags & V4L2_DV_FL_REDUCED_FPS))
 233                         pixelclock = div_u64(bt->pixelclock * 1000, 1001);
 234                 else
 235                         pixelclock = bt->pixelclock;
 236
 237                 dev->timeperframe_vid_out = (struct v4l2_fract) {
 238                         size / 100, (u32)pixelclock / 100
 239                 };
 240                 if (bt->interlaced)
 241                         dev->field_out = V4L2_FIELD_ALTERNATE;
 242                 else
 243                         dev->field_out = V4L2_FIELD_NONE;
 244                 if (!dev->dvi_d_out && (bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
 245                         if (bt->width == 720 && bt->height <= 576)
 246                                 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
 247                         else
 248                                 dev->colorspace_out = V4L2_COLORSPACE_REC709;
 249                 } else {
 250                         dev->colorspace_out = V4L2_COLORSPACE_SRGB;
 251                 }
 252                 break;
 253         }
 254         dev->xfer_func_out = V4L2_XFER_FUNC_DEFAULT;
 255         dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT;
 256         dev->quantization_out = V4L2_QUANTIZATION_DEFAULT;
 257         dev->compose_out = dev->sink_rect;
 258         dev->compose_bounds_out = dev->sink_rect;
 259         dev->crop_out = dev->compose_out;
 260         if (V4L2_FIELD_HAS_T_OR_B(dev->field_out))
 261                 dev->crop_out.height /= 2;
 262         dev->fmt_out_rect = dev->crop_out;
 263         for (p = 0; p < dev->fmt_out->planes; p++)
 264                 dev->bytesperline_out[p] =
 265                         (dev->sink_rect.width * dev->fmt_out->bit_depth[p]) / 8;
 266 }
 267
 268 /* Map the field to something that is valid for the current output */
 269 static enum v4l2_field vivid_field_out(struct vivid_dev *dev, enum v4l2_field field)
 270 {
 271         if (vivid_is_svid_out(dev)) {
 272                 switch (field) {
 273                 case V4L2_FIELD_INTERLACED_TB:
 274                 case V4L2_FIELD_INTERLACED_BT:
 275                 case V4L2_FIELD_SEQ_TB:
 276                 case V4L2_FIELD_SEQ_BT:
 277                 case V4L2_FIELD_ALTERNATE:
 278                         return field;
 279                 case V4L2_FIELD_INTERLACED:
 280                 default:
 281                         return V4L2_FIELD_INTERLACED;
 282                 }
 283         }
 284         if (vivid_is_hdmi_out(dev))
 285                 return dev->dv_timings_out.bt.interlaced ? V4L2_FIELD_ALTERNATE :
 286                                                        V4L2_FIELD_NONE;
 287         return V4L2_FIELD_NONE;
 288 }
 289
 290 static enum tpg_pixel_aspect vivid_get_pixel_aspect(const struct vivid_dev *dev)
 291 {
 292         if (vivid_is_svid_out(dev))
 293                 return (dev->std_out & V4L2_STD_525_60) ?
 294                         TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
 295
 296         if (vivid_is_hdmi_out(dev) &&
 297             dev->sink_rect.width == 720 && dev->sink_rect.height <= 576)
 298                 return dev->sink_rect.height == 480 ?
 299                         TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
 300
 301         return TPG_PIXEL_ASPECT_SQUARE;
 302 }
 303
 304 int vivid_g_fmt_vid_out(struct file *file, void *priv,
 305                                         struct v4l2_format *f)
 306 {
 307         struct vivid_dev *dev = video_drvdata(file);
 308         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 309         const struct vivid_fmt *fmt = dev->fmt_out;
 310         unsigned p;
 311
 312         mp->width        = dev->fmt_out_rect.width;
 313         mp->height       = dev->fmt_out_rect.height;
 314         mp->field        = dev->field_out;
 315         mp->pixelformat  = fmt->fourcc;
 316         mp->colorspace   = dev->colorspace_out;
 317         mp->xfer_func    = dev->xfer_func_out;
 318         mp->ycbcr_enc    = dev->ycbcr_enc_out;
 319         mp->quantization = dev->quantization_out;
 320         mp->num_planes = fmt->buffers;
 321         for (p = 0; p < mp->num_planes; p++) {
 322                 mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p];
 323                 mp->plane_fmt[p].sizeimage =
 324                         mp->plane_fmt[p].bytesperline * mp->height;
 325         }
 326         for (p = fmt->buffers; p < fmt->planes; p++) {
 327                 unsigned stride = dev->bytesperline_out[p];
 328
 329                 mp->plane_fmt[0].sizeimage +=
 330                         (stride * mp->height) / fmt->vdownsampling[p];
 331         }
 332         return 0;
 333 }
 334
 335 int vivid_try_fmt_vid_out(struct file *file, void *priv,
 336                         struct v4l2_format *f)
 337 {
 338         struct vivid_dev *dev = video_drvdata(file);
 339         struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
 340         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 341         struct v4l2_plane_pix_format *pfmt = mp->plane_fmt;
 342         const struct vivid_fmt *fmt;
 343         unsigned bytesperline, max_bpl;
 344         unsigned factor = 1;
 345         unsigned w, h;
 346         unsigned p;
 347
 348         fmt = vivid_get_format(dev, mp->pixelformat);
 349         if (!fmt) {
 350                 dprintk(dev, 1, "Fourcc format (0x%08x) unknown.\n",
 351                         mp->pixelformat);
 352                 mp->pixelformat = V4L2_PIX_FMT_YUYV;
 353                 fmt = vivid_get_format(dev, mp->pixelformat);
 354         }
 355
 356         mp->field = vivid_field_out(dev, mp->field);
 357         if (vivid_is_svid_out(dev)) {
 358                 w = 720;
 359                 h = (dev->std_out & V4L2_STD_525_60) ? 480 : 576;
 360         } else {
 361                 w = dev->sink_rect.width;
 362                 h = dev->sink_rect.height;
 363         }
 364         if (V4L2_FIELD_HAS_T_OR_B(mp->field))
 365                 factor = 2;
 366         if (!dev->has_scaler_out && !dev->has_crop_out && !dev->has_compose_out) {
 367                 mp->width = w;
 368                 mp->height = h / factor;
 369         } else {
 370                 struct v4l2_rect r = { 0, 0, mp->width, mp->height * factor };
 371
 372                 v4l2_rect_set_min_size(&r, &vivid_min_rect);
 373                 v4l2_rect_set_max_size(&r, &vivid_max_rect);
 374                 if (dev->has_scaler_out && !dev->has_crop_out) {
 375                         struct v4l2_rect max_r = { 0, 0, MAX_ZOOM * w, MAX_ZOOM * h };
 376
 377                         v4l2_rect_set_max_size(&r, &max_r);
 378                 } else if (!dev->has_scaler_out && dev->has_compose_out && !dev->has_crop_out) {
 379                         v4l2_rect_set_max_size(&r, &dev->sink_rect);
 380                 } else if (!dev->has_scaler_out && !dev->has_compose_out) {
 381                         v4l2_rect_set_min_size(&r, &dev->sink_rect);
 382                 }
 383                 mp->width = r.width;
 384                 mp->height = r.height / factor;
 385         }
 386
 387         /* This driver supports custom bytesperline values */
 388
 389         /* Calculate the minimum supported bytesperline value */
 390         bytesperline = (mp->width * fmt->bit_depth[0]) >> 3;
 391         /* Calculate the maximum supported bytesperline value */
 392         max_bpl = (MAX_ZOOM * MAX_WIDTH * fmt->bit_depth[0]) >> 3;
 393         mp->num_planes = fmt->buffers;
 394         for (p = 0; p < mp->num_planes; p++) {
 395                 if (pfmt[p].bytesperline > max_bpl)
 396                         pfmt[p].bytesperline = max_bpl;
 397                 if (pfmt[p].bytesperline < bytesperline)
 398                         pfmt[p].bytesperline = bytesperline;
 399                 pfmt[p].sizeimage = pfmt[p].bytesperline * mp->height;
 400                 memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
 401         }
 402         for (p = fmt->buffers; p < fmt->planes; p++)
 403                 pfmt[0].sizeimage += (pfmt[0].bytesperline * fmt->bit_depth[p]) /
 404                                      (fmt->bit_depth[0] * fmt->vdownsampling[p]);
 405         mp->xfer_func = V4L2_XFER_FUNC_DEFAULT;
 406         mp->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
 407         mp->quantization = V4L2_QUANTIZATION_DEFAULT;
 408         if (vivid_is_svid_out(dev)) {
 409                 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
 410         } else if (dev->dvi_d_out || !(bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
 411                 mp->colorspace = V4L2_COLORSPACE_SRGB;
 412                 if (dev->dvi_d_out)
 413                         mp->quantization = V4L2_QUANTIZATION_LIM_RANGE;
 414         } else if (bt->width == 720 && bt->height <= 576) {
 415                 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
 416         } else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M &&
 417                    mp->colorspace != V4L2_COLORSPACE_REC709 &&
 418                    mp->colorspace != V4L2_COLORSPACE_ADOBERGB &&
 419                    mp->colorspace != V4L2_COLORSPACE_BT2020 &&
 420                    mp->colorspace != V4L2_COLORSPACE_SRGB) {
 421                 mp->colorspace = V4L2_COLORSPACE_REC709;
 422         }
 423         memset(mp->reserved, 0, sizeof(mp->reserved));
 424         return 0;
 425 }
 426
 427 int vivid_s_fmt_vid_out(struct file *file, void *priv,
 428                                         struct v4l2_format *f)
 429 {
 430         struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
 431         struct vivid_dev *dev = video_drvdata(file);
 432         struct v4l2_rect *crop = &dev->crop_out;
 433         struct v4l2_rect *compose = &dev->compose_out;
 434         struct vb2_queue *q = &dev->vb_vid_out_q;
 435         int ret = vivid_try_fmt_vid_out(file, priv, f);
 436         unsigned factor = 1;
 437         unsigned p;
 438
 439         if (ret < 0)
 440                 return ret;
 441
 442         if (vb2_is_busy(q) &&
 443             (vivid_is_svid_out(dev) ||
 444              mp->width != dev->fmt_out_rect.width ||
 445              mp->height != dev->fmt_out_rect.height ||
 446              mp->pixelformat != dev->fmt_out->fourcc ||
 447              mp->field != dev->field_out)) {
 448                 dprintk(dev, 1, "%s device busy\n", __func__);
 449                 return -EBUSY;
 450         }
 451
 452         /*
 453          * Allow for changing the colorspace on the fly. Useful for testing
 454          * purposes, and it is something that HDMI transmitters are able
 455          * to do.
 456          */
 457         if (vb2_is_busy(q))
 458                 goto set_colorspace;
 459
 460         dev->fmt_out = vivid_get_format(dev, mp->pixelformat);
 461         if (V4L2_FIELD_HAS_T_OR_B(mp->field))
 462                 factor = 2;
 463
 464         if (dev->has_scaler_out || dev->has_crop_out || dev->has_compose_out) {
 465                 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
 466
 467                 if (dev->has_scaler_out) {
 468                         if (dev->has_crop_out)
 469                                 v4l2_rect_map_inside(crop, &r);
 470                         else
 471                                 *crop = r;
 472                         if (dev->has_compose_out && !dev->has_crop_out) {
 473                                 struct v4l2_rect min_r = {
 474                                         0, 0,
 475                                         r.width / MAX_ZOOM,
 476                                         factor * r.height / MAX_ZOOM
 477                                 };
 478                                 struct v4l2_rect max_r = {
 479                                         0, 0,
 480                                         r.width * MAX_ZOOM,
 481                                         factor * r.height * MAX_ZOOM
 482                                 };
 483
 484                                 v4l2_rect_set_min_size(compose, &min_r);
 485                                 v4l2_rect_set_max_size(compose, &max_r);
 486                                 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
 487                         } else if (dev->has_compose_out) {
 488                                 struct v4l2_rect min_r = {
 489                                         0, 0,
 490                                         crop->width / MAX_ZOOM,
 491                                         factor * crop->height / MAX_ZOOM
 492                                 };
 493                                 struct v4l2_rect max_r = {
 494                                         0, 0,
 495                                         crop->width * MAX_ZOOM,
 496                                         factor * crop->height * MAX_ZOOM
 497                                 };
 498
 499                                 v4l2_rect_set_min_size(compose, &min_r);
 500                                 v4l2_rect_set_max_size(compose, &max_r);
 501                                 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
 502                         }
 503                 } else if (dev->has_compose_out && !dev->has_crop_out) {
 504                         v4l2_rect_set_size_to(crop, &r);
 505                         r.height *= factor;
 506                         v4l2_rect_set_size_to(compose, &r);
 507                         v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
 508                 } else if (!dev->has_compose_out) {
 509                         v4l2_rect_map_inside(crop, &r);
 510                         r.height /= factor;
 511                         v4l2_rect_set_size_to(compose, &r);
 512                 } else {
 513                         r.height *= factor;
 514                         v4l2_rect_set_max_size(compose, &r);
 515                         v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
 516                         crop->top *= factor;
 517                         crop->height *= factor;
 518                         v4l2_rect_set_size_to(crop, compose);
 519                         v4l2_rect_map_inside(crop, &r);
 520                         crop->top /= factor;
 521                         crop->height /= factor;
 522                 }
 523         } else {
 524                 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
 525
 526                 v4l2_rect_set_size_to(crop, &r);
 527                 r.height /= factor;
 528                 v4l2_rect_set_size_to(compose, &r);
 529         }
 530
 531         dev->fmt_out_rect.width = mp->width;
 532         dev->fmt_out_rect.height = mp->height;
 533         for (p = 0; p < mp->num_planes; p++)
 534                 dev->bytesperline_out[p] = mp->plane_fmt[p].bytesperline;
 535         for (p = dev->fmt_out->buffers; p < dev->fmt_out->planes; p++)
 536                 dev->bytesperline_out[p] =
 537                         (dev->bytesperline_out[0] * dev->fmt_out->bit_depth[p]) /
 538                         dev->fmt_out->bit_depth[0];
 539         dev->field_out = mp->field;
 540         if (vivid_is_svid_out(dev))
 541                 dev->tv_field_out = mp->field;
 542
 543 set_colorspace:
 544         dev->colorspace_out = mp->colorspace;
 545         dev->xfer_func_out = mp->xfer_func;
 546         dev->ycbcr_enc_out = mp->ycbcr_enc;
 547         dev->quantization_out = mp->quantization;
 548         if (dev->loop_video) {
 549                 vivid_send_source_change(dev, SVID);
 550                 vivid_send_source_change(dev, HDMI);
 551         }
 552         return 0;
 553 }
 554
 555 int vidioc_g_fmt_vid_out_mplane(struct file *file, void *priv,
 556                                         struct v4l2_format *f)
 557 {
 558         struct vivid_dev *dev = video_drvdata(file);
 559
 560         if (!dev->multiplanar)
 561                 return -ENOTTY;
 562         return vivid_g_fmt_vid_out(file, priv, f);
 563 }
 564
 565 int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
 566                         struct v4l2_format *f)
 567 {
 568         struct vivid_dev *dev = video_drvdata(file);
 569
 570         if (!dev->multiplanar)
 571                 return -ENOTTY;
 572         return vivid_try_fmt_vid_out(file, priv, f);
 573 }
 574
 575 int vidioc_s_fmt_vid_out_mplane(struct file *file, void *priv,
 576                         struct v4l2_format *f)
 577 {
 578         struct vivid_dev *dev = video_drvdata(file);
 579
 580         if (!dev->multiplanar)
 581                 return -ENOTTY;
 582         return vivid_s_fmt_vid_out(file, priv, f);
 583 }
 584
 585 int vidioc_g_fmt_vid_out(struct file *file, void *priv,
 586                                         struct v4l2_format *f)
 587 {
 588         struct vivid_dev *dev = video_drvdata(file);
 589
 590         if (dev->multiplanar)
 591                 return -ENOTTY;
 592         return fmt_sp2mp_func(file, priv, f, vivid_g_fmt_vid_out);
 593 }
 594
 595 int vidioc_try_fmt_vid_out(struct file *file, void *priv,
 596                         struct v4l2_format *f)
 597 {
 598         struct vivid_dev *dev = video_drvdata(file);
 599
 600         if (dev->multiplanar)
 601                 return -ENOTTY;
 602         return fmt_sp2mp_func(file, priv, f, vivid_try_fmt_vid_out);
 603 }
 604
 605 int vidioc_s_fmt_vid_out(struct file *file, void *priv,
 606                         struct v4l2_format *f)
 607 {
 608         struct vivid_dev *dev = video_drvdata(file);
 609
 610         if (dev->multiplanar)
 611                 return -ENOTTY;
 612         return fmt_sp2mp_func(file, priv, f, vivid_s_fmt_vid_out);
 613 }
 614
 615 int vivid_vid_out_g_selection(struct file *file, void *priv,
 616                               struct v4l2_selection *sel)
 617 {
 618         struct vivid_dev *dev = video_drvdata(file);
 619
 620         if (!dev->has_crop_out && !dev->has_compose_out)
 621                 return -ENOTTY;
 622         if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 623                 return -EINVAL;
 624
 625         sel->r.left = sel->r.top = 0;
 626         switch (sel->target) {
 627         case V4L2_SEL_TGT_CROP:
 628                 if (!dev->has_crop_out)
 629                         return -EINVAL;
 630                 sel->r = dev->crop_out;
 631                 break;
 632         case V4L2_SEL_TGT_CROP_DEFAULT:
 633                 if (!dev->has_crop_out)
 634                         return -EINVAL;
 635                 sel->r = dev->fmt_out_rect;
 636                 break;
 637         case V4L2_SEL_TGT_CROP_BOUNDS:
 638                 if (!dev->has_crop_out)
 639                         return -EINVAL;
 640                 sel->r = vivid_max_rect;
 641                 break;
 642         case V4L2_SEL_TGT_COMPOSE:
 643                 if (!dev->has_compose_out)
 644                         return -EINVAL;
 645                 sel->r = dev->compose_out;
 646                 break;
 647         case V4L2_SEL_TGT_COMPOSE_DEFAULT:
 648         case V4L2_SEL_TGT_COMPOSE_BOUNDS:
 649                 if (!dev->has_compose_out)
 650                         return -EINVAL;
 651                 sel->r = dev->sink_rect;
 652                 break;
 653         default:
 654                 return -EINVAL;
 655         }
 656         return 0;
 657 }
 658
 659 int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 660 {
 661         struct vivid_dev *dev = video_drvdata(file);
 662         struct v4l2_rect *crop = &dev->crop_out;
 663         struct v4l2_rect *compose = &dev->compose_out;
 664         unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_out) ? 2 : 1;
 665         int ret;
 666
 667         if (!dev->has_crop_out && !dev->has_compose_out)
 668                 return -ENOTTY;
 669         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 670                 return -EINVAL;
 671
 672         switch (s->target) {
 673         case V4L2_SEL_TGT_CROP:
 674                 if (!dev->has_crop_out)
 675                         return -EINVAL;
 676                 ret = vivid_vid_adjust_sel(s->flags, &s->r);
 677                 if (ret)
 678                         return ret;
 679                 v4l2_rect_set_min_size(&s->r, &vivid_min_rect);
 680                 v4l2_rect_set_max_size(&s->r, &dev->fmt_out_rect);
 681                 if (dev->has_scaler_out) {
 682                         struct v4l2_rect max_rect = {
 683                                 0, 0,
 684                                 dev->sink_rect.width * MAX_ZOOM,
 685                                 (dev->sink_rect.height / factor) * MAX_ZOOM
 686                         };
 687
 688                         v4l2_rect_set_max_size(&s->r, &max_rect);
 689                         if (dev->has_compose_out) {
 690                                 struct v4l2_rect min_rect = {
 691                                         0, 0,
 692                                         s->r.width / MAX_ZOOM,
 693                                         (s->r.height * factor) / MAX_ZOOM
 694                                 };
 695                                 struct v4l2_rect max_rect = {
 696                                         0, 0,
 697                                         s->r.width * MAX_ZOOM,
 698                                         (s->r.height * factor) * MAX_ZOOM
 699                                 };
 700
 701                                 v4l2_rect_set_min_size(compose, &min_rect);
 702                                 v4l2_rect_set_max_size(compose, &max_rect);
 703                                 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
 704                         }
 705                 } else if (dev->has_compose_out) {
 706                         s->r.top *= factor;
 707                         s->r.height *= factor;
 708                         v4l2_rect_set_max_size(&s->r, &dev->sink_rect);
 709                         v4l2_rect_set_size_to(compose, &s->r);
 710                         v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
 711                         s->r.top /= factor;
 712                         s->r.height /= factor;
 713                 } else {
 714                         v4l2_rect_set_size_to(&s->r, &dev->sink_rect);
 715                         s->r.height /= factor;
 716                 }
 717                 v4l2_rect_map_inside(&s->r, &dev->fmt_out_rect);
 718                 *crop = s->r;
 719                 break;
 720         case V4L2_SEL_TGT_COMPOSE:
 721                 if (!dev->has_compose_out)
 722                         return -EINVAL;
 723                 ret = vivid_vid_adjust_sel(s->flags, &s->r);
 724                 if (ret)
 725                         return ret;
 726                 v4l2_rect_set_min_size(&s->r, &vivid_min_rect);
 727                 v4l2_rect_set_max_size(&s->r, &dev->sink_rect);
 728                 v4l2_rect_map_inside(&s->r, &dev->compose_bounds_out);
 729                 s->r.top /= factor;
 730                 s->r.height /= factor;
 731                 if (dev->has_scaler_out) {
 732                         struct v4l2_rect fmt = dev->fmt_out_rect;
 733                         struct v4l2_rect max_rect = {
 734                                 0, 0,
 735                                 s->r.width * MAX_ZOOM,
 736                                 s->r.height * MAX_ZOOM
 737                         };
 738                         struct v4l2_rect min_rect = {
 739                                 0, 0,
 740                                 s->r.width / MAX_ZOOM,
 741                                 s->r.height / MAX_ZOOM
 742                         };
 743
 744                         v4l2_rect_set_min_size(&fmt, &min_rect);
 745                         if (!dev->has_crop_out)
 746                                 v4l2_rect_set_max_size(&fmt, &max_rect);
 747                         if (!v4l2_rect_same_size(&dev->fmt_out_rect, &fmt) &&
 748                             vb2_is_busy(&dev->vb_vid_out_q))
 749                                 return -EBUSY;
 750                         if (dev->has_crop_out) {
 751                                 v4l2_rect_set_min_size(crop, &min_rect);
 752                                 v4l2_rect_set_max_size(crop, &max_rect);
 753                         }
 754                         dev->fmt_out_rect = fmt;
 755                 } else if (dev->has_crop_out) {
 756                         struct v4l2_rect fmt = dev->fmt_out_rect;
 757
 758                         v4l2_rect_set_min_size(&fmt, &s->r);
 759                         if (!v4l2_rect_same_size(&dev->fmt_out_rect, &fmt) &&
 760                             vb2_is_busy(&dev->vb_vid_out_q))
 761                                 return -EBUSY;
 762                         dev->fmt_out_rect = fmt;
 763                         v4l2_rect_set_size_to(crop, &s->r);
 764                         v4l2_rect_map_inside(crop, &dev->fmt_out_rect);
 765                 } else {
 766                         if (!v4l2_rect_same_size(&s->r, &dev->fmt_out_rect) &&
 767                             vb2_is_busy(&dev->vb_vid_out_q))
 768                                 return -EBUSY;
 769                         v4l2_rect_set_size_to(&dev->fmt_out_rect, &s->r);
 770                         v4l2_rect_set_size_to(crop, &s->r);
 771                         crop->height /= factor;
 772                         v4l2_rect_map_inside(crop, &dev->fmt_out_rect);
 773                 }
 774                 s->r.top *= factor;
 775                 s->r.height *= factor;
 776                 if (dev->bitmap_out && (compose->width != s->r.width ||
 777                                         compose->height != s->r.height)) {
 778                         kfree(dev->bitmap_out);
 779                         dev->bitmap_out = NULL;
 780                 }
 781                 *compose = s->r;
 782                 break;
 783         default:
 784                 return -EINVAL;
 785         }
 786
 787         return 0;
 788 }
 789
 790 int vivid_vid_out_cropcap(struct file *file, void *priv,
 791                               struct v4l2_cropcap *cap)
 792 {
 793         struct vivid_dev *dev = video_drvdata(file);
 794
 795         if (cap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 796                 return -EINVAL;
 797
 798         switch (vivid_get_pixel_aspect(dev)) {
 799         case TPG_PIXEL_ASPECT_NTSC:
 800                 cap->pixelaspect.numerator = 11;
 801                 cap->pixelaspect.denominator = 10;
 802                 break;
 803         case TPG_PIXEL_ASPECT_PAL:
 804                 cap->pixelaspect.numerator = 54;
 805                 cap->pixelaspect.denominator = 59;
 806                 break;
 807         case TPG_PIXEL_ASPECT_SQUARE:
 808                 cap->pixelaspect.numerator = 1;
 809                 cap->pixelaspect.denominator = 1;
 810                 break;
 811         }
 812         return 0;
 813 }
 814
 815 int vidioc_g_fmt_vid_out_overlay(struct file *file, void *priv,
 816                                         struct v4l2_format *f)
 817 {
 818         struct vivid_dev *dev = video_drvdata(file);
 819         const struct v4l2_rect *compose = &dev->compose_out;
 820         struct v4l2_window *win = &f->fmt.win;
 821         unsigned clipcount = win->clipcount;
 822
 823         if (!dev->has_fb)
 824                 return -EINVAL;
 825         win->w.top = dev->overlay_out_top;
 826         win->w.left = dev->overlay_out_left;
 827         win->w.width = compose->width;
 828         win->w.height = compose->height;
 829         win->clipcount = dev->clipcount_out;
 830         win->field = V4L2_FIELD_ANY;
 831         win->chromakey = dev->chromakey_out;
 832         win->global_alpha = dev->global_alpha_out;
 833         if (clipcount > dev->clipcount_out)
 834                 clipcount = dev->clipcount_out;
 835         if (dev->bitmap_out == NULL)
 836                 win->bitmap = NULL;
 837         else if (win->bitmap) {
 838                 if (copy_to_user(win->bitmap, dev->bitmap_out,
 839                     ((dev->compose_out.width + 7) / 8) * dev->compose_out.height))
 840                         return -EFAULT;
 841         }
 842         if (clipcount && win->clips) {
 843                 if (copy_to_user(win->clips, dev->clips_out,
 844                                  clipcount * sizeof(dev->clips_out[0])))
 845                         return -EFAULT;
 846         }
 847         return 0;
 848 }
 849
 850 int vidioc_try_fmt_vid_out_overlay(struct file *file, void *priv,
 851                                         struct v4l2_format *f)
 852 {
 853         struct vivid_dev *dev = video_drvdata(file);
 854         const struct v4l2_rect *compose = &dev->compose_out;
 855         struct v4l2_window *win = &f->fmt.win;
 856         int i, j;
 857
 858         if (!dev->has_fb)
 859                 return -EINVAL;
 860         win->w.left = clamp_t(int, win->w.left,
 861                               -dev->display_width, dev->display_width);
 862         win->w.top = clamp_t(int, win->w.top,
 863                              -dev->display_height, dev->display_height);
 864         win->w.width = compose->width;
 865         win->w.height = compose->height;
 866         /*
 867          * It makes no sense for an OSD to overlay only top or bottom fields,
 868          * so always set this to ANY.
 869          */
 870         win->field = V4L2_FIELD_ANY;
 871         if (win->clipcount && !win->clips)
 872                 win->clipcount = 0;
 873         if (win->clipcount > MAX_CLIPS)
 874                 win->clipcount = MAX_CLIPS;
 875         if (win->clipcount) {
 876                 if (copy_from_user(dev->try_clips_out, win->clips,
 877                                    win->clipcount * sizeof(dev->clips_out[0])))
 878                         return -EFAULT;
 879                 for (i = 0; i < win->clipcount; i++) {
 880                         struct v4l2_rect *r = &dev->try_clips_out[i].c;
 881
 882                         r->top = clamp_t(s32, r->top, 0, dev->display_height - 1);
 883                         r->height = clamp_t(s32, r->height, 1, dev->display_height - r->top);
 884                         r->left = clamp_t(u32, r->left, 0, dev->display_width - 1);
 885                         r->width = clamp_t(u32, r->width, 1, dev->display_width - r->left);
 886                 }
 887                 /*
 888                  * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small
 889                  * number and it's typically a one-time deal.
 890                  */
 891                 for (i = 0; i < win->clipcount - 1; i++) {
 892                         struct v4l2_rect *r1 = &dev->try_clips_out[i].c;
 893
 894                         for (j = i + 1; j < win->clipcount; j++) {
 895                                 struct v4l2_rect *r2 = &dev->try_clips_out[j].c;
 896
 897                                 if (v4l2_rect_overlap(r1, r2))
 898                                         return -EINVAL;
 899                         }
 900                 }
 901                 if (copy_to_user(win->clips, dev->try_clips_out,
 902                                  win->clipcount * sizeof(dev->clips_out[0])))
 903                         return -EFAULT;
 904         }
 905         return 0;
 906 }
 907
 908 int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv,
 909                                         struct v4l2_format *f)
 910 {
 911         struct vivid_dev *dev = video_drvdata(file);
 912         const struct v4l2_rect *compose = &dev->compose_out;
 913         struct v4l2_window *win = &f->fmt.win;
 914         int ret = vidioc_try_fmt_vid_out_overlay(file, priv, f);
 915         unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height;
 916         unsigned clips_size = win->clipcount * sizeof(dev->clips_out[0]);
 917         void *new_bitmap = NULL;
 918
 919         if (ret)
 920                 return ret;
 921
 922         if (win->bitmap) {
 923                 new_bitmap = memdup_user(win->bitmap, bitmap_size);
 924
 925                 if (IS_ERR(new_bitmap))
 926                         return PTR_ERR(new_bitmap);
 927         }
 928
 929         dev->overlay_out_top = win->w.top;
 930         dev->overlay_out_left = win->w.left;
 931         kfree(dev->bitmap_out);
 932         dev->bitmap_out = new_bitmap;
 933         dev->clipcount_out = win->clipcount;
 934         if (dev->clipcount_out)
 935                 memcpy(dev->clips_out, dev->try_clips_out, clips_size);
 936         dev->chromakey_out = win->chromakey;
 937         dev->global_alpha_out = win->global_alpha;
 938         return ret;
 939 }
 940
 941 int vivid_vid_out_overlay(struct file *file, void *fh, unsigned i)
 942 {
 943         struct vivid_dev *dev = video_drvdata(file);
 944
 945         if (i && !dev->fmt_out->can_do_overlay) {
 946                 dprintk(dev, 1, "unsupported output format for output overlay\n");
 947                 return -EINVAL;
 948         }
 949
 950         dev->overlay_out_enabled = i;
 951         return 0;
 952 }
 953
 954 int vivid_vid_out_g_fbuf(struct file *file, void *fh,
 955                                 struct v4l2_framebuffer *a)
 956 {
 957         struct vivid_dev *dev = video_drvdata(file);
 958
 959         a->capability = V4L2_FBUF_CAP_EXTERNOVERLAY |
 960                         V4L2_FBUF_CAP_BITMAP_CLIPPING |
 961                         V4L2_FBUF_CAP_LIST_CLIPPING |
 962                         V4L2_FBUF_CAP_CHROMAKEY |
 963                         V4L2_FBUF_CAP_SRC_CHROMAKEY |
 964                         V4L2_FBUF_CAP_GLOBAL_ALPHA |
 965                         V4L2_FBUF_CAP_LOCAL_ALPHA |
 966                         V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
 967         a->flags = V4L2_FBUF_FLAG_OVERLAY | dev->fbuf_out_flags;
 968         a->base = (void *)dev->video_pbase;
 969         a->fmt.width = dev->display_width;
 970         a->fmt.height = dev->display_height;
 971         if (dev->fb_defined.green.length == 5)
 972                 a->fmt.pixelformat = V4L2_PIX_FMT_ARGB555;
 973         else
 974                 a->fmt.pixelformat = V4L2_PIX_FMT_RGB565;
 975         a->fmt.bytesperline = dev->display_byte_stride;
 976         a->fmt.sizeimage = a->fmt.height * a->fmt.bytesperline;
 977         a->fmt.field = V4L2_FIELD_NONE;
 978         a->fmt.colorspace = V4L2_COLORSPACE_SRGB;
 979         a->fmt.priv = 0;
 980         return 0;
 981 }
 982
 983 int vivid_vid_out_s_fbuf(struct file *file, void *fh,
 984                                 const struct v4l2_framebuffer *a)
 985 {
 986         struct vivid_dev *dev = video_drvdata(file);
 987         const unsigned chroma_flags = V4L2_FBUF_FLAG_CHROMAKEY |
 988                                       V4L2_FBUF_FLAG_SRC_CHROMAKEY;
 989         const unsigned alpha_flags = V4L2_FBUF_FLAG_GLOBAL_ALPHA |
 990                                      V4L2_FBUF_FLAG_LOCAL_ALPHA |
 991                                      V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
 992
 993
 994         if ((a->flags & chroma_flags) == chroma_flags)
 995                 return -EINVAL;
 996         switch (a->flags & alpha_flags) {
 997         case 0:
 998         case V4L2_FBUF_FLAG_GLOBAL_ALPHA:
 999         case V4L2_FBUF_FLAG_LOCAL_ALPHA:
1000         case V4L2_FBUF_FLAG_LOCAL_INV_ALPHA:
1001                 break;
1002         default:
1003                 return -EINVAL;
1004         }
1005         dev->fbuf_out_flags &= ~(chroma_flags | alpha_flags);
1006         dev->fbuf_out_flags |= a->flags & (chroma_flags | alpha_flags);
1007         return 0;
1008 }
1009
1010 static const struct v4l2_audioout vivid_audio_outputs[] = {
1011         { 0, "Line-Out 1" },
1012         { 1, "Line-Out 2" },
1013 };
1014
1015 int vidioc_enum_output(struct file *file, void *priv,
1016                                 struct v4l2_output *out)
1017 {
1018         struct vivid_dev *dev = video_drvdata(file);
1019
1020         if (out->index >= dev->num_outputs)
1021                 return -EINVAL;
1022
1023         out->type = V4L2_OUTPUT_TYPE_ANALOG;
1024         switch (dev->output_type[out->index]) {
1025         case SVID:
1026                 snprintf(out->name, sizeof(out->name), "S-Video %u",
1027                                 dev->output_name_counter[out->index]);
1028                 out->std = V4L2_STD_ALL;
1029                 if (dev->has_audio_outputs)
1030                         out->audioset = (1 << ARRAY_SIZE(vivid_audio_outputs)) - 1;
1031                 out->capabilities = V4L2_OUT_CAP_STD;
1032                 break;
1033         case HDMI:
1034                 snprintf(out->name, sizeof(out->name), "HDMI %u",
1035                                 dev->output_name_counter[out->index]);
1036                 out->capabilities = V4L2_OUT_CAP_DV_TIMINGS;
1037                 break;
1038         }
1039         return 0;
1040 }
1041
1042 int vidioc_g_output(struct file *file, void *priv, unsigned *o)
1043 {
1044         struct vivid_dev *dev = video_drvdata(file);
1045
1046         *o = dev->output;
1047         return 0;
1048 }
1049
1050 int vidioc_s_output(struct file *file, void *priv, unsigned o)
1051 {
1052         struct vivid_dev *dev = video_drvdata(file);
1053
1054         if (o >= dev->num_outputs)
1055                 return -EINVAL;
1056
1057         if (o == dev->output)
1058                 return 0;
1059
1060         if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1061                 return -EBUSY;
1062
1063         dev->output = o;
1064         dev->tv_audio_output = 0;
1065         if (dev->output_type[o] == SVID)
1066                 dev->vid_out_dev.tvnorms = V4L2_STD_ALL;
1067         else
1068                 dev->vid_out_dev.tvnorms = 0;
1069
1070         dev->vbi_out_dev.tvnorms = dev->vid_out_dev.tvnorms;
1071         vivid_update_format_out(dev);
1072         return 0;
1073 }
1074
1075 int vidioc_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vout)
1076 {
1077         if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1078                 return -EINVAL;
1079         *vout = vivid_audio_outputs[vout->index];
1080         return 0;
1081 }
1082
1083 int vidioc_g_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
1084 {
1085         struct vivid_dev *dev = video_drvdata(file);
1086
1087         if (!vivid_is_svid_out(dev))
1088                 return -EINVAL;
1089         *vout = vivid_audio_outputs[dev->tv_audio_output];
1090         return 0;
1091 }
1092
1093 int vidioc_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout)
1094 {
1095         struct vivid_dev *dev = video_drvdata(file);
1096
1097         if (!vivid_is_svid_out(dev))
1098                 return -EINVAL;
1099         if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1100                 return -EINVAL;
1101         dev->tv_audio_output = vout->index;
1102         return 0;
1103 }
1104
1105 int vivid_vid_out_s_std(struct file *file, void *priv, v4l2_std_id id)
1106 {
1107         struct vivid_dev *dev = video_drvdata(file);
1108
1109         if (!vivid_is_svid_out(dev))
1110                 return -ENODATA;
1111         if (dev->std_out == id)
1112                 return 0;
1113         if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1114                 return -EBUSY;
1115         dev->std_out = id;
1116         vivid_update_format_out(dev);
1117         return 0;
1118 }
1119
1120 static bool valid_cvt_gtf_timings(struct v4l2_dv_timings *timings)
1121 {
1122         struct v4l2_bt_timings *bt = &timings->bt;
1123
1124         if ((bt->standards & (V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF)) &&
1125             v4l2_valid_dv_timings(timings, &vivid_dv_timings_cap, NULL, NULL))
1126                 return true;
1127
1128         return false;
1129 }
1130
1131 int vivid_vid_out_s_dv_timings(struct file *file, void *_fh,
1132                                     struct v4l2_dv_timings *timings)
1133 {
1134         struct vivid_dev *dev = video_drvdata(file);
1135         if (!vivid_is_hdmi_out(dev))
1136                 return -ENODATA;
1137         if (!v4l2_find_dv_timings_cap(timings, &vivid_dv_timings_cap,
1138                                 0, NULL, NULL) &&
1139             !valid_cvt_gtf_timings(timings))
1140                 return -EINVAL;
1141         if (v4l2_match_dv_timings(timings, &dev->dv_timings_out, 0, true))
1142                 return 0;
1143         if (vb2_is_busy(&dev->vb_vid_out_q))
1144                 return -EBUSY;
1145         dev->dv_timings_out = *timings;
1146         vivid_update_format_out(dev);
1147         return 0;
1148 }
1149
1150 int vivid_vid_out_g_parm(struct file *file, void *priv,
1151                           struct v4l2_streamparm *parm)
1152 {
1153         struct vivid_dev *dev = video_drvdata(file);
1154
1155         if (parm->type != (dev->multiplanar ?
1156                            V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
1157                            V4L2_BUF_TYPE_VIDEO_OUTPUT))
1158                 return -EINVAL;
1159
1160         parm->parm.output.capability   = V4L2_CAP_TIMEPERFRAME;
1161         parm->parm.output.timeperframe = dev->timeperframe_vid_out;
1162         parm->parm.output.writebuffers  = 1;
1163
1164         return 0;
1165 }
1166
1167 int vidioc_subscribe_event(struct v4l2_fh *fh,
1168                         const struct v4l2_event_subscription *sub)
1169 {
1170         switch (sub->type) {
1171         case V4L2_EVENT_CTRL:
1172                 return v4l2_ctrl_subscribe_event(fh, sub);
1173         case V4L2_EVENT_SOURCE_CHANGE:
1174                 if (fh->vdev->vfl_dir == VFL_DIR_RX)
1175                         return v4l2_src_change_event_subscribe(fh, sub);
1176                 break;
1177         default:
1178                 break;
1179         }
1180         return -EINVAL;
1181 }