1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * vivid-vid-out.c - video output support functions.
4 *
5 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
6 */
7
8 #include <linux/errno.h>
9 #include <linux/kernel.h>
10 #include <linux/sched.h>
11 #include <linux/videodev2.h>
12 #include <linux/v4l2-dv-timings.h>
13 #include <media/v4l2-common.h>
14 #include <media/v4l2-event.h>
15 #include <media/v4l2-dv-timings.h>
16 #include <media/v4l2-rect.h>
17
18 #include "vivid-core.h"
19 #include "vivid-vid-common.h"
20 #include "vivid-kthread-out.h"
21 #include "vivid-vid-out.h"
22
vid_out_queue_setup(struct vb2_queue * vq,unsigned * nbuffers,unsigned * nplanes,unsigned sizes[],struct device * alloc_devs[])23 static int vid_out_queue_setup(struct vb2_queue *vq,
24 unsigned *nbuffers, unsigned *nplanes,
25 unsigned sizes[], struct device *alloc_devs[])
26 {
27 struct vivid_dev *dev = vb2_get_drv_priv(vq);
28 const struct vivid_fmt *vfmt = dev->fmt_out;
29 unsigned planes = vfmt->buffers;
30 unsigned h = dev->fmt_out_rect.height;
31 unsigned int size = dev->bytesperline_out[0] * h + vfmt->data_offset[0];
32 unsigned p;
33
34 for (p = vfmt->buffers; p < vfmt->planes; p++)
35 size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p] +
36 vfmt->data_offset[p];
37
38 if (dev->field_out == V4L2_FIELD_ALTERNATE) {
39 /*
40 * You cannot use write() with FIELD_ALTERNATE since the field
41 * information (TOP/BOTTOM) cannot be passed to the kernel.
42 */
43 if (vb2_fileio_is_active(vq))
44 return -EINVAL;
45 }
46
47 if (dev->queue_setup_error) {
48 /*
49 * Error injection: test what happens if queue_setup() returns
50 * an error.
51 */
52 dev->queue_setup_error = false;
53 return -EINVAL;
54 }
55
56 if (*nplanes) {
57 /*
58 * Check if the number of requested planes match
59 * the number of planes in the current format. You can't mix that.
60 */
61 if (*nplanes != planes)
62 return -EINVAL;
63 if (sizes[0] < size)
64 return -EINVAL;
65 for (p = 1; p < planes; p++) {
66 if (sizes[p] < dev->bytesperline_out[p] * h +
67 vfmt->data_offset[p])
68 return -EINVAL;
69 }
70 } else {
71 for (p = 0; p < planes; p++)
72 sizes[p] = p ? dev->bytesperline_out[p] * h +
73 vfmt->data_offset[p] : size;
74 }
75
76 if (vq->num_buffers + *nbuffers < 2)
77 *nbuffers = 2 - vq->num_buffers;
78
79 *nplanes = planes;
80
81 dprintk(dev, 1, "%s: count=%d\n", __func__, *nbuffers);
82 for (p = 0; p < planes; p++)
83 dprintk(dev, 1, "%s: size[%u]=%u\n", __func__, p, sizes[p]);
84 return 0;
85 }
86
vid_out_buf_out_validate(struct vb2_buffer * vb)87 static int vid_out_buf_out_validate(struct vb2_buffer *vb)
88 {
89 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
90 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
91
92 dprintk(dev, 1, "%s\n", __func__);
93
94 if (dev->field_out != V4L2_FIELD_ALTERNATE)
95 vbuf->field = dev->field_out;
96 else if (vbuf->field != V4L2_FIELD_TOP &&
97 vbuf->field != V4L2_FIELD_BOTTOM)
98 return -EINVAL;
99 return 0;
100 }
101
vid_out_buf_prepare(struct vb2_buffer * vb)102 static int vid_out_buf_prepare(struct vb2_buffer *vb)
103 {
104 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
105 const struct vivid_fmt *vfmt = dev->fmt_out;
106 unsigned int planes = vfmt->buffers;
107 unsigned int h = dev->fmt_out_rect.height;
108 unsigned int size = dev->bytesperline_out[0] * h;
109 unsigned p;
110
111 for (p = vfmt->buffers; p < vfmt->planes; p++)
112 size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p];
113
114 dprintk(dev, 1, "%s\n", __func__);
115
116 if (WARN_ON(NULL == dev->fmt_out))
117 return -EINVAL;
118
119 if (dev->buf_prepare_error) {
120 /*
121 * Error injection: test what happens if buf_prepare() returns
122 * an error.
123 */
124 dev->buf_prepare_error = false;
125 return -EINVAL;
126 }
127
128 for (p = 0; p < planes; p++) {
129 if (p)
130 size = dev->bytesperline_out[p] * h;
131 size += vb->planes[p].data_offset;
132
133 if (vb2_get_plane_payload(vb, p) < size) {
134 dprintk(dev, 1, "%s the payload is too small for plane %u (%lu < %u)\n",
135 __func__, p, vb2_get_plane_payload(vb, p), size);
136 return -EINVAL;
137 }
138 }
139
140 return 0;
141 }
142
vid_out_buf_queue(struct vb2_buffer * vb)143 static void vid_out_buf_queue(struct vb2_buffer *vb)
144 {
145 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
146 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
147 struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb);
148
149 dprintk(dev, 1, "%s\n", __func__);
150
151 spin_lock(&dev->slock);
152 list_add_tail(&buf->list, &dev->vid_out_active);
153 spin_unlock(&dev->slock);
154 }
155
vid_out_start_streaming(struct vb2_queue * vq,unsigned count)156 static int vid_out_start_streaming(struct vb2_queue *vq, unsigned count)
157 {
158 struct vivid_dev *dev = vb2_get_drv_priv(vq);
159 int err;
160
161 if (vb2_is_streaming(&dev->vb_vid_cap_q))
162 dev->can_loop_video = vivid_vid_can_loop(dev);
163
164 if (dev->kthread_vid_out)
165 return 0;
166
167 dev->vid_out_seq_count = 0;
168 dprintk(dev, 1, "%s\n", __func__);
169 if (dev->start_streaming_error) {
170 dev->start_streaming_error = false;
171 err = -EINVAL;
172 } else {
173 err = vivid_start_generating_vid_out(dev, &dev->vid_out_streaming);
174 }
175 if (err) {
176 struct vivid_buffer *buf, *tmp;
177
178 list_for_each_entry_safe(buf, tmp, &dev->vid_out_active, list) {
179 list_del(&buf->list);
180 vb2_buffer_done(&buf->vb.vb2_buf,
181 VB2_BUF_STATE_QUEUED);
182 }
183 }
184 return err;
185 }
186
187 /* abort streaming and wait for last buffer */
vid_out_stop_streaming(struct vb2_queue * vq)188 static void vid_out_stop_streaming(struct vb2_queue *vq)
189 {
190 struct vivid_dev *dev = vb2_get_drv_priv(vq);
191
192 dprintk(dev, 1, "%s\n", __func__);
193 vivid_stop_generating_vid_out(dev, &dev->vid_out_streaming);
194 dev->can_loop_video = false;
195 }
196
vid_out_buf_request_complete(struct vb2_buffer * vb)197 static void vid_out_buf_request_complete(struct vb2_buffer *vb)
198 {
199 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
200
201 v4l2_ctrl_request_complete(vb->req_obj.req, &dev->ctrl_hdl_vid_out);
202 }
203
204 const struct vb2_ops vivid_vid_out_qops = {
205 .queue_setup = vid_out_queue_setup,
206 .buf_out_validate = vid_out_buf_out_validate,
207 .buf_prepare = vid_out_buf_prepare,
208 .buf_queue = vid_out_buf_queue,
209 .start_streaming = vid_out_start_streaming,
210 .stop_streaming = vid_out_stop_streaming,
211 .buf_request_complete = vid_out_buf_request_complete,
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 */
vivid_update_format_out(struct vivid_dev * dev)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 u64 pixelclock;
225
226 switch (dev->output_type[dev->output]) {
227 case SVID:
228 default:
229 dev->field_out = dev->tv_field_out;
230 dev->sink_rect.width = 720;
231 if (dev->std_out & V4L2_STD_525_60) {
232 dev->sink_rect.height = 480;
233 dev->timeperframe_vid_out = (struct v4l2_fract) { 1001, 30000 };
234 dev->service_set_out = V4L2_SLICED_CAPTION_525;
235 } else {
236 dev->sink_rect.height = 576;
237 dev->timeperframe_vid_out = (struct v4l2_fract) { 1000, 25000 };
238 dev->service_set_out = V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B;
239 }
240 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
241 break;
242 case HDMI:
243 dev->sink_rect.width = bt->width;
244 dev->sink_rect.height = bt->height;
245 size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt);
246
247 if (can_reduce_fps(bt) && (bt->flags & V4L2_DV_FL_REDUCED_FPS))
248 pixelclock = div_u64(bt->pixelclock * 1000, 1001);
249 else
250 pixelclock = bt->pixelclock;
251
252 dev->timeperframe_vid_out = (struct v4l2_fract) {
253 size / 100, (u32)pixelclock / 100
254 };
255 if (bt->interlaced)
256 dev->field_out = V4L2_FIELD_ALTERNATE;
257 else
258 dev->field_out = V4L2_FIELD_NONE;
259 if (!dev->dvi_d_out && (bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
260 if (bt->width == 720 && bt->height <= 576)
261 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
262 else
263 dev->colorspace_out = V4L2_COLORSPACE_REC709;
264 } else {
265 dev->colorspace_out = V4L2_COLORSPACE_SRGB;
266 }
267 break;
268 }
269 dev->xfer_func_out = V4L2_XFER_FUNC_DEFAULT;
270 dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT;
271 dev->hsv_enc_out = V4L2_HSV_ENC_180;
272 dev->quantization_out = V4L2_QUANTIZATION_DEFAULT;
273 dev->compose_out = dev->sink_rect;
274 dev->compose_bounds_out = dev->sink_rect;
275 dev->crop_out = dev->compose_out;
276 if (V4L2_FIELD_HAS_T_OR_B(dev->field_out))
277 dev->crop_out.height /= 2;
278 dev->fmt_out_rect = dev->crop_out;
279 for (p = 0; p < dev->fmt_out->planes; p++)
280 dev->bytesperline_out[p] =
281 (dev->sink_rect.width * dev->fmt_out->bit_depth[p]) / 8;
282 }
283
284 /* Map the field to something that is valid for the current output */
vivid_field_out(struct vivid_dev * dev,enum v4l2_field field)285 static enum v4l2_field vivid_field_out(struct vivid_dev *dev, enum v4l2_field field)
286 {
287 if (vivid_is_svid_out(dev)) {
288 switch (field) {
289 case V4L2_FIELD_INTERLACED_TB:
290 case V4L2_FIELD_INTERLACED_BT:
291 case V4L2_FIELD_SEQ_TB:
292 case V4L2_FIELD_SEQ_BT:
293 case V4L2_FIELD_ALTERNATE:
294 return field;
295 case V4L2_FIELD_INTERLACED:
296 default:
297 return V4L2_FIELD_INTERLACED;
298 }
299 }
300 if (vivid_is_hdmi_out(dev))
301 return dev->dv_timings_out.bt.interlaced ? V4L2_FIELD_ALTERNATE :
302 V4L2_FIELD_NONE;
303 return V4L2_FIELD_NONE;
304 }
305
vivid_get_pixel_aspect(const struct vivid_dev * dev)306 static enum tpg_pixel_aspect vivid_get_pixel_aspect(const struct vivid_dev *dev)
307 {
308 if (vivid_is_svid_out(dev))
309 return (dev->std_out & V4L2_STD_525_60) ?
310 TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
311
312 if (vivid_is_hdmi_out(dev) &&
313 dev->sink_rect.width == 720 && dev->sink_rect.height <= 576)
314 return dev->sink_rect.height == 480 ?
315 TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
316
317 return TPG_PIXEL_ASPECT_SQUARE;
318 }
319
vivid_g_fmt_vid_out(struct file * file,void * priv,struct v4l2_format * f)320 int vivid_g_fmt_vid_out(struct file *file, void *priv,
321 struct v4l2_format *f)
322 {
323 struct vivid_dev *dev = video_drvdata(file);
324 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
325 const struct vivid_fmt *fmt = dev->fmt_out;
326 unsigned p;
327
328 mp->width = dev->fmt_out_rect.width;
329 mp->height = dev->fmt_out_rect.height;
330 mp->field = dev->field_out;
331 mp->pixelformat = fmt->fourcc;
332 mp->colorspace = dev->colorspace_out;
333 mp->xfer_func = dev->xfer_func_out;
334 mp->ycbcr_enc = dev->ycbcr_enc_out;
335 mp->quantization = dev->quantization_out;
336 mp->num_planes = fmt->buffers;
337 for (p = 0; p < mp->num_planes; p++) {
338 mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p];
339 mp->plane_fmt[p].sizeimage =
340 mp->plane_fmt[p].bytesperline * mp->height +
341 fmt->data_offset[p];
342 }
343 for (p = fmt->buffers; p < fmt->planes; p++) {
344 unsigned stride = dev->bytesperline_out[p];
345
346 mp->plane_fmt[0].sizeimage +=
347 (stride * mp->height) / fmt->vdownsampling[p];
348 }
349 return 0;
350 }
351
vivid_try_fmt_vid_out(struct file * file,void * priv,struct v4l2_format * f)352 int vivid_try_fmt_vid_out(struct file *file, void *priv,
353 struct v4l2_format *f)
354 {
355 struct vivid_dev *dev = video_drvdata(file);
356 struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
357 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
358 struct v4l2_plane_pix_format *pfmt = mp->plane_fmt;
359 const struct vivid_fmt *fmt;
360 unsigned bytesperline, max_bpl;
361 unsigned factor = 1;
362 unsigned w, h;
363 unsigned p;
364
365 fmt = vivid_get_format(dev, mp->pixelformat);
366 if (!fmt) {
367 dprintk(dev, 1, "Fourcc format (0x%08x) unknown.\n",
368 mp->pixelformat);
369 mp->pixelformat = V4L2_PIX_FMT_YUYV;
370 fmt = vivid_get_format(dev, mp->pixelformat);
371 }
372
373 mp->field = vivid_field_out(dev, mp->field);
374 if (vivid_is_svid_out(dev)) {
375 w = 720;
376 h = (dev->std_out & V4L2_STD_525_60) ? 480 : 576;
377 } else {
378 w = dev->sink_rect.width;
379 h = dev->sink_rect.height;
380 }
381 if (V4L2_FIELD_HAS_T_OR_B(mp->field))
382 factor = 2;
383 if (!dev->has_scaler_out && !dev->has_crop_out && !dev->has_compose_out) {
384 mp->width = w;
385 mp->height = h / factor;
386 } else {
387 struct v4l2_rect r = { 0, 0, mp->width, mp->height * factor };
388
389 v4l2_rect_set_min_size(&r, &vivid_min_rect);
390 v4l2_rect_set_max_size(&r, &vivid_max_rect);
391 if (dev->has_scaler_out && !dev->has_crop_out) {
392 struct v4l2_rect max_r = { 0, 0, MAX_ZOOM * w, MAX_ZOOM * h };
393
394 v4l2_rect_set_max_size(&r, &max_r);
395 } else if (!dev->has_scaler_out && dev->has_compose_out && !dev->has_crop_out) {
396 v4l2_rect_set_max_size(&r, &dev->sink_rect);
397 } else if (!dev->has_scaler_out && !dev->has_compose_out) {
398 v4l2_rect_set_min_size(&r, &dev->sink_rect);
399 }
400 mp->width = r.width;
401 mp->height = r.height / factor;
402 }
403
404 /* This driver supports custom bytesperline values */
405
406 mp->num_planes = fmt->buffers;
407 for (p = 0; p < fmt->buffers; p++) {
408 /* Calculate the minimum supported bytesperline value */
409 bytesperline = (mp->width * fmt->bit_depth[p]) >> 3;
410 /* Calculate the maximum supported bytesperline value */
411 max_bpl = (MAX_ZOOM * MAX_WIDTH * fmt->bit_depth[p]) >> 3;
412
413 if (pfmt[p].bytesperline > max_bpl)
414 pfmt[p].bytesperline = max_bpl;
415 if (pfmt[p].bytesperline < bytesperline)
416 pfmt[p].bytesperline = bytesperline;
417
418 pfmt[p].sizeimage = (pfmt[p].bytesperline * mp->height) /
419 fmt->vdownsampling[p] + fmt->data_offset[p];
420
421 memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
422 }
423 for (p = fmt->buffers; p < fmt->planes; p++)
424 pfmt[0].sizeimage += (pfmt[0].bytesperline * mp->height *
425 (fmt->bit_depth[p] / fmt->vdownsampling[p])) /
426 (fmt->bit_depth[0] / fmt->vdownsampling[0]);
427
428 mp->xfer_func = V4L2_XFER_FUNC_DEFAULT;
429 mp->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
430 mp->quantization = V4L2_QUANTIZATION_DEFAULT;
431 if (vivid_is_svid_out(dev)) {
432 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
433 } else if (dev->dvi_d_out || !(bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
434 mp->colorspace = V4L2_COLORSPACE_SRGB;
435 if (dev->dvi_d_out)
436 mp->quantization = V4L2_QUANTIZATION_LIM_RANGE;
437 } else if (bt->width == 720 && bt->height <= 576) {
438 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
439 } else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M &&
440 mp->colorspace != V4L2_COLORSPACE_REC709 &&
441 mp->colorspace != V4L2_COLORSPACE_OPRGB &&
442 mp->colorspace != V4L2_COLORSPACE_BT2020 &&
443 mp->colorspace != V4L2_COLORSPACE_SRGB) {
444 mp->colorspace = V4L2_COLORSPACE_REC709;
445 }
446 memset(mp->reserved, 0, sizeof(mp->reserved));
447 return 0;
448 }
449
vivid_s_fmt_vid_out(struct file * file,void * priv,struct v4l2_format * f)450 int vivid_s_fmt_vid_out(struct file *file, void *priv,
451 struct v4l2_format *f)
452 {
453 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
454 struct vivid_dev *dev = video_drvdata(file);
455 struct v4l2_rect *crop = &dev->crop_out;
456 struct v4l2_rect *compose = &dev->compose_out;
457 struct vb2_queue *q = &dev->vb_vid_out_q;
458 int ret = vivid_try_fmt_vid_out(file, priv, f);
459 unsigned factor = 1;
460 unsigned p;
461
462 if (ret < 0)
463 return ret;
464
465 if (vb2_is_busy(q) &&
466 (vivid_is_svid_out(dev) ||
467 mp->width != dev->fmt_out_rect.width ||
468 mp->height != dev->fmt_out_rect.height ||
469 mp->pixelformat != dev->fmt_out->fourcc ||
470 mp->field != dev->field_out)) {
471 dprintk(dev, 1, "%s device busy\n", __func__);
472 return -EBUSY;
473 }
474
475 /*
476 * Allow for changing the colorspace on the fly. Useful for testing
477 * purposes, and it is something that HDMI transmitters are able
478 * to do.
479 */
480 if (vb2_is_busy(q))
481 goto set_colorspace;
482
483 dev->fmt_out = vivid_get_format(dev, mp->pixelformat);
484 if (V4L2_FIELD_HAS_T_OR_B(mp->field))
485 factor = 2;
486
487 if (dev->has_scaler_out || dev->has_crop_out || dev->has_compose_out) {
488 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
489
490 if (dev->has_scaler_out) {
491 if (dev->has_crop_out)
492 v4l2_rect_map_inside(crop, &r);
493 else
494 *crop = r;
495 if (dev->has_compose_out && !dev->has_crop_out) {
496 struct v4l2_rect min_r = {
497 0, 0,
498 r.width / MAX_ZOOM,
499 factor * r.height / MAX_ZOOM
500 };
501 struct v4l2_rect max_r = {
502 0, 0,
503 r.width * MAX_ZOOM,
504 factor * r.height * MAX_ZOOM
505 };
506
507 v4l2_rect_set_min_size(compose, &min_r);
508 v4l2_rect_set_max_size(compose, &max_r);
509 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
510 } else if (dev->has_compose_out) {
511 struct v4l2_rect min_r = {
512 0, 0,
513 crop->width / MAX_ZOOM,
514 factor * crop->height / MAX_ZOOM
515 };
516 struct v4l2_rect max_r = {
517 0, 0,
518 crop->width * MAX_ZOOM,
519 factor * crop->height * MAX_ZOOM
520 };
521
522 v4l2_rect_set_min_size(compose, &min_r);
523 v4l2_rect_set_max_size(compose, &max_r);
524 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
525 }
526 } else if (dev->has_compose_out && !dev->has_crop_out) {
527 v4l2_rect_set_size_to(crop, &r);
528 r.height *= factor;
529 v4l2_rect_set_size_to(compose, &r);
530 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
531 } else if (!dev->has_compose_out) {
532 v4l2_rect_map_inside(crop, &r);
533 r.height /= factor;
534 v4l2_rect_set_size_to(compose, &r);
535 } else {
536 r.height *= factor;
537 v4l2_rect_set_max_size(compose, &r);
538 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
539 crop->top *= factor;
540 crop->height *= factor;
541 v4l2_rect_set_size_to(crop, compose);
542 v4l2_rect_map_inside(crop, &r);
543 crop->top /= factor;
544 crop->height /= factor;
545 }
546 } else {
547 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
548
549 v4l2_rect_set_size_to(crop, &r);
550 r.height /= factor;
551 v4l2_rect_set_size_to(compose, &r);
552 }
553
554 dev->fmt_out_rect.width = mp->width;
555 dev->fmt_out_rect.height = mp->height;
556 for (p = 0; p < mp->num_planes; p++)
557 dev->bytesperline_out[p] = mp->plane_fmt[p].bytesperline;
558 for (p = dev->fmt_out->buffers; p < dev->fmt_out->planes; p++)
559 dev->bytesperline_out[p] =
560 (dev->bytesperline_out[0] * dev->fmt_out->bit_depth[p]) /
561 dev->fmt_out->bit_depth[0];
562 dev->field_out = mp->field;
563 if (vivid_is_svid_out(dev))
564 dev->tv_field_out = mp->field;
565
566 set_colorspace:
567 dev->colorspace_out = mp->colorspace;
568 dev->xfer_func_out = mp->xfer_func;
569 dev->ycbcr_enc_out = mp->ycbcr_enc;
570 dev->quantization_out = mp->quantization;
571 if (dev->loop_video) {
572 vivid_send_source_change(dev, SVID);
573 vivid_send_source_change(dev, HDMI);
574 }
575 return 0;
576 }
577
vidioc_g_fmt_vid_out_mplane(struct file * file,void * priv,struct v4l2_format * f)578 int vidioc_g_fmt_vid_out_mplane(struct file *file, void *priv,
579 struct v4l2_format *f)
580 {
581 struct vivid_dev *dev = video_drvdata(file);
582
583 if (!dev->multiplanar)
584 return -ENOTTY;
585 return vivid_g_fmt_vid_out(file, priv, f);
586 }
587
vidioc_try_fmt_vid_out_mplane(struct file * file,void * priv,struct v4l2_format * f)588 int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
589 struct v4l2_format *f)
590 {
591 struct vivid_dev *dev = video_drvdata(file);
592
593 if (!dev->multiplanar)
594 return -ENOTTY;
595 return vivid_try_fmt_vid_out(file, priv, f);
596 }
597
vidioc_s_fmt_vid_out_mplane(struct file * file,void * priv,struct v4l2_format * f)598 int vidioc_s_fmt_vid_out_mplane(struct file *file, void *priv,
599 struct v4l2_format *f)
600 {
601 struct vivid_dev *dev = video_drvdata(file);
602
603 if (!dev->multiplanar)
604 return -ENOTTY;
605 return vivid_s_fmt_vid_out(file, priv, f);
606 }
607
vidioc_g_fmt_vid_out(struct file * file,void * priv,struct v4l2_format * f)608 int vidioc_g_fmt_vid_out(struct file *file, void *priv,
609 struct v4l2_format *f)
610 {
611 struct vivid_dev *dev = video_drvdata(file);
612
613 if (dev->multiplanar)
614 return -ENOTTY;
615 return fmt_sp2mp_func(file, priv, f, vivid_g_fmt_vid_out);
616 }
617
vidioc_try_fmt_vid_out(struct file * file,void * priv,struct v4l2_format * f)618 int vidioc_try_fmt_vid_out(struct file *file, void *priv,
619 struct v4l2_format *f)
620 {
621 struct vivid_dev *dev = video_drvdata(file);
622
623 if (dev->multiplanar)
624 return -ENOTTY;
625 return fmt_sp2mp_func(file, priv, f, vivid_try_fmt_vid_out);
626 }
627
vidioc_s_fmt_vid_out(struct file * file,void * priv,struct v4l2_format * f)628 int vidioc_s_fmt_vid_out(struct file *file, void *priv,
629 struct v4l2_format *f)
630 {
631 struct vivid_dev *dev = video_drvdata(file);
632
633 if (dev->multiplanar)
634 return -ENOTTY;
635 return fmt_sp2mp_func(file, priv, f, vivid_s_fmt_vid_out);
636 }
637
vivid_vid_out_g_selection(struct file * file,void * priv,struct v4l2_selection * sel)638 int vivid_vid_out_g_selection(struct file *file, void *priv,
639 struct v4l2_selection *sel)
640 {
641 struct vivid_dev *dev = video_drvdata(file);
642
643 if (!dev->has_crop_out && !dev->has_compose_out)
644 return -ENOTTY;
645 if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
646 return -EINVAL;
647
648 sel->r.left = sel->r.top = 0;
649 switch (sel->target) {
650 case V4L2_SEL_TGT_CROP:
651 if (!dev->has_crop_out)
652 return -EINVAL;
653 sel->r = dev->crop_out;
654 break;
655 case V4L2_SEL_TGT_CROP_DEFAULT:
656 if (!dev->has_crop_out)
657 return -EINVAL;
658 sel->r = dev->fmt_out_rect;
659 break;
660 case V4L2_SEL_TGT_CROP_BOUNDS:
661 if (!dev->has_crop_out)
662 return -EINVAL;
663 sel->r = vivid_max_rect;
664 break;
665 case V4L2_SEL_TGT_COMPOSE:
666 if (!dev->has_compose_out)
667 return -EINVAL;
668 sel->r = dev->compose_out;
669 break;
670 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
671 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
672 if (!dev->has_compose_out)
673 return -EINVAL;
674 sel->r = dev->sink_rect;
675 break;
676 default:
677 return -EINVAL;
678 }
679 return 0;
680 }
681
vivid_vid_out_s_selection(struct file * file,void * fh,struct v4l2_selection * s)682 int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
683 {
684 struct vivid_dev *dev = video_drvdata(file);
685 struct v4l2_rect *crop = &dev->crop_out;
686 struct v4l2_rect *compose = &dev->compose_out;
687 unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_out) ? 2 : 1;
688 int ret;
689
690 if (!dev->has_crop_out && !dev->has_compose_out)
691 return -ENOTTY;
692 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
693 return -EINVAL;
694
695 switch (s->target) {
696 case V4L2_SEL_TGT_CROP:
697 if (!dev->has_crop_out)
698 return -EINVAL;
699 ret = vivid_vid_adjust_sel(s->flags, &s->r);
700 if (ret)
701 return ret;
702 v4l2_rect_set_min_size(&s->r, &vivid_min_rect);
703 v4l2_rect_set_max_size(&s->r, &dev->fmt_out_rect);
704 if (dev->has_scaler_out) {
705 struct v4l2_rect max_rect = {
706 0, 0,
707 dev->sink_rect.width * MAX_ZOOM,
708 (dev->sink_rect.height / factor) * MAX_ZOOM
709 };
710
711 v4l2_rect_set_max_size(&s->r, &max_rect);
712 if (dev->has_compose_out) {
713 struct v4l2_rect min_rect = {
714 0, 0,
715 s->r.width / MAX_ZOOM,
716 (s->r.height * factor) / MAX_ZOOM
717 };
718 struct v4l2_rect max_rect = {
719 0, 0,
720 s->r.width * MAX_ZOOM,
721 (s->r.height * factor) * MAX_ZOOM
722 };
723
724 v4l2_rect_set_min_size(compose, &min_rect);
725 v4l2_rect_set_max_size(compose, &max_rect);
726 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
727 }
728 } else if (dev->has_compose_out) {
729 s->r.top *= factor;
730 s->r.height *= factor;
731 v4l2_rect_set_max_size(&s->r, &dev->sink_rect);
732 v4l2_rect_set_size_to(compose, &s->r);
733 v4l2_rect_map_inside(compose, &dev->compose_bounds_out);
734 s->r.top /= factor;
735 s->r.height /= factor;
736 } else {
737 v4l2_rect_set_size_to(&s->r, &dev->sink_rect);
738 s->r.height /= factor;
739 }
740 v4l2_rect_map_inside(&s->r, &dev->fmt_out_rect);
741 *crop = s->r;
742 break;
743 case V4L2_SEL_TGT_COMPOSE:
744 if (!dev->has_compose_out)
745 return -EINVAL;
746 ret = vivid_vid_adjust_sel(s->flags, &s->r);
747 if (ret)
748 return ret;
749 v4l2_rect_set_min_size(&s->r, &vivid_min_rect);
750 v4l2_rect_set_max_size(&s->r, &dev->sink_rect);
751 v4l2_rect_map_inside(&s->r, &dev->compose_bounds_out);
752 s->r.top /= factor;
753 s->r.height /= factor;
754 if (dev->has_scaler_out) {
755 struct v4l2_rect fmt = dev->fmt_out_rect;
756 struct v4l2_rect max_rect = {
757 0, 0,
758 s->r.width * MAX_ZOOM,
759 s->r.height * MAX_ZOOM
760 };
761 struct v4l2_rect min_rect = {
762 0, 0,
763 s->r.width / MAX_ZOOM,
764 s->r.height / MAX_ZOOM
765 };
766
767 v4l2_rect_set_min_size(&fmt, &min_rect);
768 if (!dev->has_crop_out)
769 v4l2_rect_set_max_size(&fmt, &max_rect);
770 if (!v4l2_rect_same_size(&dev->fmt_out_rect, &fmt) &&
771 vb2_is_busy(&dev->vb_vid_out_q))
772 return -EBUSY;
773 if (dev->has_crop_out) {
774 v4l2_rect_set_min_size(crop, &min_rect);
775 v4l2_rect_set_max_size(crop, &max_rect);
776 }
777 dev->fmt_out_rect = fmt;
778 } else if (dev->has_crop_out) {
779 struct v4l2_rect fmt = dev->fmt_out_rect;
780
781 v4l2_rect_set_min_size(&fmt, &s->r);
782 if (!v4l2_rect_same_size(&dev->fmt_out_rect, &fmt) &&
783 vb2_is_busy(&dev->vb_vid_out_q))
784 return -EBUSY;
785 dev->fmt_out_rect = fmt;
786 v4l2_rect_set_size_to(crop, &s->r);
787 v4l2_rect_map_inside(crop, &dev->fmt_out_rect);
788 } else {
789 if (!v4l2_rect_same_size(&s->r, &dev->fmt_out_rect) &&
790 vb2_is_busy(&dev->vb_vid_out_q))
791 return -EBUSY;
792 v4l2_rect_set_size_to(&dev->fmt_out_rect, &s->r);
793 v4l2_rect_set_size_to(crop, &s->r);
794 crop->height /= factor;
795 v4l2_rect_map_inside(crop, &dev->fmt_out_rect);
796 }
797 s->r.top *= factor;
798 s->r.height *= factor;
799 if (dev->bitmap_out && (compose->width != s->r.width ||
800 compose->height != s->r.height)) {
801 vfree(dev->bitmap_out);
802 dev->bitmap_out = NULL;
803 }
804 *compose = s->r;
805 break;
806 default:
807 return -EINVAL;
808 }
809
810 return 0;
811 }
812
vivid_vid_out_g_pixelaspect(struct file * file,void * priv,int type,struct v4l2_fract * f)813 int vivid_vid_out_g_pixelaspect(struct file *file, void *priv,
814 int type, struct v4l2_fract *f)
815 {
816 struct vivid_dev *dev = video_drvdata(file);
817
818 if (type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
819 return -EINVAL;
820
821 switch (vivid_get_pixel_aspect(dev)) {
822 case TPG_PIXEL_ASPECT_NTSC:
823 f->numerator = 11;
824 f->denominator = 10;
825 break;
826 case TPG_PIXEL_ASPECT_PAL:
827 f->numerator = 54;
828 f->denominator = 59;
829 break;
830 default:
831 break;
832 }
833 return 0;
834 }
835
vidioc_g_fmt_vid_out_overlay(struct file * file,void * priv,struct v4l2_format * f)836 int vidioc_g_fmt_vid_out_overlay(struct file *file, void *priv,
837 struct v4l2_format *f)
838 {
839 struct vivid_dev *dev = video_drvdata(file);
840 const struct v4l2_rect *compose = &dev->compose_out;
841 struct v4l2_window *win = &f->fmt.win;
842 unsigned clipcount = win->clipcount;
843
844 if (!dev->has_fb)
845 return -EINVAL;
846 win->w.top = dev->overlay_out_top;
847 win->w.left = dev->overlay_out_left;
848 win->w.width = compose->width;
849 win->w.height = compose->height;
850 win->clipcount = dev->clipcount_out;
851 win->field = V4L2_FIELD_ANY;
852 win->chromakey = dev->chromakey_out;
853 win->global_alpha = dev->global_alpha_out;
854 if (clipcount > dev->clipcount_out)
855 clipcount = dev->clipcount_out;
856 if (dev->bitmap_out == NULL)
857 win->bitmap = NULL;
858 else if (win->bitmap) {
859 if (copy_to_user(win->bitmap, dev->bitmap_out,
860 ((dev->compose_out.width + 7) / 8) * dev->compose_out.height))
861 return -EFAULT;
862 }
863 if (clipcount && win->clips) {
864 if (copy_to_user(win->clips, dev->clips_out,
865 clipcount * sizeof(dev->clips_out[0])))
866 return -EFAULT;
867 }
868 return 0;
869 }
870
vidioc_try_fmt_vid_out_overlay(struct file * file,void * priv,struct v4l2_format * f)871 int vidioc_try_fmt_vid_out_overlay(struct file *file, void *priv,
872 struct v4l2_format *f)
873 {
874 struct vivid_dev *dev = video_drvdata(file);
875 const struct v4l2_rect *compose = &dev->compose_out;
876 struct v4l2_window *win = &f->fmt.win;
877 int i, j;
878
879 if (!dev->has_fb)
880 return -EINVAL;
881 win->w.left = clamp_t(int, win->w.left,
882 -dev->display_width, dev->display_width);
883 win->w.top = clamp_t(int, win->w.top,
884 -dev->display_height, dev->display_height);
885 win->w.width = compose->width;
886 win->w.height = compose->height;
887 /*
888 * It makes no sense for an OSD to overlay only top or bottom fields,
889 * so always set this to ANY.
890 */
891 win->field = V4L2_FIELD_ANY;
892 if (win->clipcount && !win->clips)
893 win->clipcount = 0;
894 if (win->clipcount > MAX_CLIPS)
895 win->clipcount = MAX_CLIPS;
896 if (win->clipcount) {
897 if (copy_from_user(dev->try_clips_out, win->clips,
898 win->clipcount * sizeof(dev->clips_out[0])))
899 return -EFAULT;
900 for (i = 0; i < win->clipcount; i++) {
901 struct v4l2_rect *r = &dev->try_clips_out[i].c;
902
903 r->top = clamp_t(s32, r->top, 0, dev->display_height - 1);
904 r->height = clamp_t(s32, r->height, 1, dev->display_height - r->top);
905 r->left = clamp_t(u32, r->left, 0, dev->display_width - 1);
906 r->width = clamp_t(u32, r->width, 1, dev->display_width - r->left);
907 }
908 /*
909 * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small
910 * number and it's typically a one-time deal.
911 */
912 for (i = 0; i < win->clipcount - 1; i++) {
913 struct v4l2_rect *r1 = &dev->try_clips_out[i].c;
914
915 for (j = i + 1; j < win->clipcount; j++) {
916 struct v4l2_rect *r2 = &dev->try_clips_out[j].c;
917
918 if (v4l2_rect_overlap(r1, r2))
919 return -EINVAL;
920 }
921 }
922 if (copy_to_user(win->clips, dev->try_clips_out,
923 win->clipcount * sizeof(dev->clips_out[0])))
924 return -EFAULT;
925 }
926 return 0;
927 }
928
vidioc_s_fmt_vid_out_overlay(struct file * file,void * priv,struct v4l2_format * f)929 int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv,
930 struct v4l2_format *f)
931 {
932 struct vivid_dev *dev = video_drvdata(file);
933 const struct v4l2_rect *compose = &dev->compose_out;
934 struct v4l2_window *win = &f->fmt.win;
935 int ret = vidioc_try_fmt_vid_out_overlay(file, priv, f);
936 unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height;
937 unsigned clips_size = win->clipcount * sizeof(dev->clips_out[0]);
938 void *new_bitmap = NULL;
939
940 if (ret)
941 return ret;
942
943 if (win->bitmap) {
944 new_bitmap = vzalloc(bitmap_size);
945
946 if (!new_bitmap)
947 return -ENOMEM;
948 if (copy_from_user(new_bitmap, win->bitmap, bitmap_size)) {
949 vfree(new_bitmap);
950 return -EFAULT;
951 }
952 }
953
954 dev->overlay_out_top = win->w.top;
955 dev->overlay_out_left = win->w.left;
956 vfree(dev->bitmap_out);
957 dev->bitmap_out = new_bitmap;
958 dev->clipcount_out = win->clipcount;
959 if (dev->clipcount_out)
960 memcpy(dev->clips_out, dev->try_clips_out, clips_size);
961 dev->chromakey_out = win->chromakey;
962 dev->global_alpha_out = win->global_alpha;
963 return ret;
964 }
965
vivid_vid_out_overlay(struct file * file,void * fh,unsigned i)966 int vivid_vid_out_overlay(struct file *file, void *fh, unsigned i)
967 {
968 struct vivid_dev *dev = video_drvdata(file);
969
970 if (i && !dev->fmt_out->can_do_overlay) {
971 dprintk(dev, 1, "unsupported output format for output overlay\n");
972 return -EINVAL;
973 }
974
975 dev->overlay_out_enabled = i;
976 return 0;
977 }
978
vivid_vid_out_g_fbuf(struct file * file,void * fh,struct v4l2_framebuffer * a)979 int vivid_vid_out_g_fbuf(struct file *file, void *fh,
980 struct v4l2_framebuffer *a)
981 {
982 struct vivid_dev *dev = video_drvdata(file);
983
984 a->capability = V4L2_FBUF_CAP_EXTERNOVERLAY |
985 V4L2_FBUF_CAP_BITMAP_CLIPPING |
986 V4L2_FBUF_CAP_LIST_CLIPPING |
987 V4L2_FBUF_CAP_CHROMAKEY |
988 V4L2_FBUF_CAP_SRC_CHROMAKEY |
989 V4L2_FBUF_CAP_GLOBAL_ALPHA |
990 V4L2_FBUF_CAP_LOCAL_ALPHA |
991 V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
992 a->flags = V4L2_FBUF_FLAG_OVERLAY | dev->fbuf_out_flags;
993 a->base = (void *)dev->video_pbase;
994 a->fmt.width = dev->display_width;
995 a->fmt.height = dev->display_height;
996 if (dev->fb_defined.green.length == 5)
997 a->fmt.pixelformat = V4L2_PIX_FMT_ARGB555;
998 else
999 a->fmt.pixelformat = V4L2_PIX_FMT_RGB565;
1000 a->fmt.bytesperline = dev->display_byte_stride;
1001 a->fmt.sizeimage = a->fmt.height * a->fmt.bytesperline;
1002 a->fmt.field = V4L2_FIELD_NONE;
1003 a->fmt.colorspace = V4L2_COLORSPACE_SRGB;
1004 a->fmt.priv = 0;
1005 return 0;
1006 }
1007
vivid_vid_out_s_fbuf(struct file * file,void * fh,const struct v4l2_framebuffer * a)1008 int vivid_vid_out_s_fbuf(struct file *file, void *fh,
1009 const struct v4l2_framebuffer *a)
1010 {
1011 struct vivid_dev *dev = video_drvdata(file);
1012 const unsigned chroma_flags = V4L2_FBUF_FLAG_CHROMAKEY |
1013 V4L2_FBUF_FLAG_SRC_CHROMAKEY;
1014 const unsigned alpha_flags = V4L2_FBUF_FLAG_GLOBAL_ALPHA |
1015 V4L2_FBUF_FLAG_LOCAL_ALPHA |
1016 V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1017
1018
1019 if ((a->flags & chroma_flags) == chroma_flags)
1020 return -EINVAL;
1021 switch (a->flags & alpha_flags) {
1022 case 0:
1023 case V4L2_FBUF_FLAG_GLOBAL_ALPHA:
1024 case V4L2_FBUF_FLAG_LOCAL_ALPHA:
1025 case V4L2_FBUF_FLAG_LOCAL_INV_ALPHA:
1026 break;
1027 default:
1028 return -EINVAL;
1029 }
1030 dev->fbuf_out_flags &= ~(chroma_flags | alpha_flags);
1031 dev->fbuf_out_flags = a->flags & (chroma_flags | alpha_flags);
1032 return 0;
1033 }
1034
1035 static const struct v4l2_audioout vivid_audio_outputs[] = {
1036 { 0, "Line-Out 1" },
1037 { 1, "Line-Out 2" },
1038 };
1039
vidioc_enum_output(struct file * file,void * priv,struct v4l2_output * out)1040 int vidioc_enum_output(struct file *file, void *priv,
1041 struct v4l2_output *out)
1042 {
1043 struct vivid_dev *dev = video_drvdata(file);
1044
1045 if (out->index >= dev->num_outputs)
1046 return -EINVAL;
1047
1048 out->type = V4L2_OUTPUT_TYPE_ANALOG;
1049 switch (dev->output_type[out->index]) {
1050 case SVID:
1051 snprintf(out->name, sizeof(out->name), "S-Video %u",
1052 dev->output_name_counter[out->index]);
1053 out->std = V4L2_STD_ALL;
1054 if (dev->has_audio_outputs)
1055 out->audioset = (1 << ARRAY_SIZE(vivid_audio_outputs)) - 1;
1056 out->capabilities = V4L2_OUT_CAP_STD;
1057 break;
1058 case HDMI:
1059 snprintf(out->name, sizeof(out->name), "HDMI %u",
1060 dev->output_name_counter[out->index]);
1061 out->capabilities = V4L2_OUT_CAP_DV_TIMINGS;
1062 break;
1063 }
1064 return 0;
1065 }
1066
vidioc_g_output(struct file * file,void * priv,unsigned * o)1067 int vidioc_g_output(struct file *file, void *priv, unsigned *o)
1068 {
1069 struct vivid_dev *dev = video_drvdata(file);
1070
1071 *o = dev->output;
1072 return 0;
1073 }
1074
vidioc_s_output(struct file * file,void * priv,unsigned o)1075 int vidioc_s_output(struct file *file, void *priv, unsigned o)
1076 {
1077 struct vivid_dev *dev = video_drvdata(file);
1078
1079 if (o >= dev->num_outputs)
1080 return -EINVAL;
1081
1082 if (o == dev->output)
1083 return 0;
1084
1085 if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1086 return -EBUSY;
1087
1088 dev->output = o;
1089 dev->tv_audio_output = 0;
1090 if (dev->output_type[o] == SVID)
1091 dev->vid_out_dev.tvnorms = V4L2_STD_ALL;
1092 else
1093 dev->vid_out_dev.tvnorms = 0;
1094
1095 dev->vbi_out_dev.tvnorms = dev->vid_out_dev.tvnorms;
1096 vivid_update_format_out(dev);
1097
1098 v4l2_ctrl_activate(dev->ctrl_display_present, vivid_is_hdmi_out(dev));
1099 if (vivid_is_hdmi_out(dev))
1100 v4l2_ctrl_s_ctrl(dev->ctrl_display_present,
1101 dev->display_present[dev->output]);
1102
1103 return 0;
1104 }
1105
vidioc_enumaudout(struct file * file,void * fh,struct v4l2_audioout * vout)1106 int vidioc_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vout)
1107 {
1108 if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1109 return -EINVAL;
1110 *vout = vivid_audio_outputs[vout->index];
1111 return 0;
1112 }
1113
vidioc_g_audout(struct file * file,void * fh,struct v4l2_audioout * vout)1114 int vidioc_g_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
1115 {
1116 struct vivid_dev *dev = video_drvdata(file);
1117
1118 if (!vivid_is_svid_out(dev))
1119 return -EINVAL;
1120 *vout = vivid_audio_outputs[dev->tv_audio_output];
1121 return 0;
1122 }
1123
vidioc_s_audout(struct file * file,void * fh,const struct v4l2_audioout * vout)1124 int vidioc_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout)
1125 {
1126 struct vivid_dev *dev = video_drvdata(file);
1127
1128 if (!vivid_is_svid_out(dev))
1129 return -EINVAL;
1130 if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1131 return -EINVAL;
1132 dev->tv_audio_output = vout->index;
1133 return 0;
1134 }
1135
vivid_vid_out_s_std(struct file * file,void * priv,v4l2_std_id id)1136 int vivid_vid_out_s_std(struct file *file, void *priv, v4l2_std_id id)
1137 {
1138 struct vivid_dev *dev = video_drvdata(file);
1139
1140 if (!vivid_is_svid_out(dev))
1141 return -ENODATA;
1142 if (dev->std_out == id)
1143 return 0;
1144 if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1145 return -EBUSY;
1146 dev->std_out = id;
1147 vivid_update_format_out(dev);
1148 return 0;
1149 }
1150
valid_cvt_gtf_timings(struct v4l2_dv_timings * timings)1151 static bool valid_cvt_gtf_timings(struct v4l2_dv_timings *timings)
1152 {
1153 struct v4l2_bt_timings *bt = &timings->bt;
1154
1155 if ((bt->standards & (V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF)) &&
1156 v4l2_valid_dv_timings(timings, &vivid_dv_timings_cap, NULL, NULL))
1157 return true;
1158
1159 return false;
1160 }
1161
vivid_vid_out_s_dv_timings(struct file * file,void * _fh,struct v4l2_dv_timings * timings)1162 int vivid_vid_out_s_dv_timings(struct file *file, void *_fh,
1163 struct v4l2_dv_timings *timings)
1164 {
1165 struct vivid_dev *dev = video_drvdata(file);
1166 if (!vivid_is_hdmi_out(dev))
1167 return -ENODATA;
1168 if (!v4l2_find_dv_timings_cap(timings, &vivid_dv_timings_cap,
1169 0, NULL, NULL) &&
1170 !valid_cvt_gtf_timings(timings))
1171 return -EINVAL;
1172 if (v4l2_match_dv_timings(timings, &dev->dv_timings_out, 0, true))
1173 return 0;
1174 if (vb2_is_busy(&dev->vb_vid_out_q))
1175 return -EBUSY;
1176 dev->dv_timings_out = *timings;
1177 vivid_update_format_out(dev);
1178 return 0;
1179 }
1180
vivid_vid_out_g_parm(struct file * file,void * priv,struct v4l2_streamparm * parm)1181 int vivid_vid_out_g_parm(struct file *file, void *priv,
1182 struct v4l2_streamparm *parm)
1183 {
1184 struct vivid_dev *dev = video_drvdata(file);
1185
1186 if (parm->type != (dev->multiplanar ?
1187 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
1188 V4L2_BUF_TYPE_VIDEO_OUTPUT))
1189 return -EINVAL;
1190
1191 parm->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1192 parm->parm.output.timeperframe = dev->timeperframe_vid_out;
1193 parm->parm.output.writebuffers = 1;
1194
1195 return 0;
1196 }
1197
vidioc_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)1198 int vidioc_subscribe_event(struct v4l2_fh *fh,
1199 const struct v4l2_event_subscription *sub)
1200 {
1201 switch (sub->type) {
1202 case V4L2_EVENT_SOURCE_CHANGE:
1203 if (fh->vdev->vfl_dir == VFL_DIR_RX)
1204 return v4l2_src_change_event_subscribe(fh, sub);
1205 break;
1206 default:
1207 return v4l2_ctrl_subscribe_event(fh, sub);
1208 }
1209 return -EINVAL;
1210 }
1211
