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[media] v4l2-dv-timings: add new arg to v4l2_match_dv_timings
[deliverable/linux.git] / drivers / media / platform / vivid / vivid-vid-out.c
CommitLineData
ef834f78
HV		 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
33119e80 34static int vid_out_queue_setup(struct vb2_queue *vq, const void *parg,
ef834f78
HV		 35 unsigned *nbuffers, unsigned *nplanes,
36 unsigned sizes[], void *alloc_ctxs[])
37{
33119e80 38 const struct v4l2_format *fmt = parg;
ef834f78 39 struct vivid_dev *dev = vb2_get_drv_priv(vq);
ddcaee9d
HV		 40 const struct vivid_fmt *vfmt = dev->fmt_out;
41 unsigned planes = vfmt->buffers;
ef834f78
HV		 42 unsigned h = dev->fmt_out_rect.height;
43 unsigned size = dev->bytesperline_out[0] * h;
ddcaee9d
HV		 44 unsigned p;
45
46 for (p = vfmt->buffers; p < vfmt->planes; p++)
1f9f23f6 47 size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p];
ef834f78
HV		 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;
ddcaee9d 83 if (sizes[0] < size)
ef834f78 84 return -EINVAL;
ddcaee9d
HV		 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;
ef834f78
HV		 89 }
90 } else {
ddcaee9d
HV		 91 for (p = 0; p < planes; p++)
92 sizes[p] = p ? dev->bytesperline_out[p] * h : size;
ef834f78
HV		 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
ddcaee9d
HV		 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]);
ef834f78
HV		 108 return 0;
109}
110
111static int vid_out_buf_prepare(struct vb2_buffer *vb)
112{
2d700715 113 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
ef834f78
HV		 114 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
115 unsigned long size;
4eaa3a6c 116 unsigned planes;
ef834f78
HV		 117 unsigned p;
118
119 dprintk(dev, 1, "%s\n", __func__);
120
121 if (WARN_ON(NULL == dev->fmt_out))
122 return -EINVAL;
123
4eaa3a6c
TP		 124 planes = dev->fmt_out->planes;
125
ef834f78
HV		 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)
2d700715
JS		 136 vbuf->field = dev->field_out;
137 else if (vbuf->field != V4L2_FIELD_TOP &&
138 vbuf->field != V4L2_FIELD_BOTTOM)
ef834f78
HV		 139 return -EINVAL;
140
141 for (p = 0; p < planes; p++) {
142 size = dev->bytesperline_out[p] * dev->fmt_out_rect.height +
2d700715 143 vb->planes[p].data_offset;
ef834f78
HV		 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
155static void vid_out_buf_queue(struct vb2_buffer *vb)
156{
2d700715 157 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
ef834f78 158 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
2d700715 159 struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb);
ef834f78
HV		 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
168static 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 if (dev->kthread_vid_out)
177 return 0;
178
179 dev->vid_out_seq_count = 0;
180 dprintk(dev, 1, "%s\n", __func__);
181 if (dev->start_streaming_error) {
182 dev->start_streaming_error = false;
183 err = -EINVAL;
184 } else {
185 err = vivid_start_generating_vid_out(dev, &dev->vid_out_streaming);
186 }
187 if (err) {
188 struct vivid_buffer *buf, *tmp;
189
190 list_for_each_entry_safe(buf, tmp, &dev->vid_out_active, list) {
191 list_del(&buf->list);
2d700715
JS		 192 vb2_buffer_done(&buf->vb.vb2_buf,
193 VB2_BUF_STATE_QUEUED);
ef834f78
HV		 194 }
195 }
196 return err;
197}
198
199/* abort streaming and wait for last buffer */
200static void vid_out_stop_streaming(struct vb2_queue *vq)
201{
202 struct vivid_dev *dev = vb2_get_drv_priv(vq);
203
204 dprintk(dev, 1, "%s\n", __func__);
205 vivid_stop_generating_vid_out(dev, &dev->vid_out_streaming);
206 dev->can_loop_video = false;
207}
208
209const struct vb2_ops vivid_vid_out_qops = {
210 .queue_setup = vid_out_queue_setup,
211 .buf_prepare = vid_out_buf_prepare,
212 .buf_queue = vid_out_buf_queue,
213 .start_streaming = vid_out_start_streaming,
214 .stop_streaming = vid_out_stop_streaming,
6dfa5131
PL		 215 .wait_prepare = vb2_ops_wait_prepare,
216 .wait_finish = vb2_ops_wait_finish,
ef834f78
HV		 217};
218
219/*
220 * Called whenever the format has to be reset which can occur when
221 * changing outputs, standard, timings, etc.
222 */
223void vivid_update_format_out(struct vivid_dev *dev)
224{
225 struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
ddcaee9d 226 unsigned size, p;
b883ba75 227 u64 pixelclock;
ef834f78
HV		 228
229 switch (dev->output_type[dev->output]) {
230 case SVID:
231 default:
232 dev->field_out = dev->tv_field_out;
233 dev->sink_rect.width = 720;
234 if (dev->std_out & V4L2_STD_525_60) {
235 dev->sink_rect.height = 480;
236 dev->timeperframe_vid_out = (struct v4l2_fract) { 1001, 30000 };
237 dev->service_set_out = V4L2_SLICED_CAPTION_525;
238 } else {
239 dev->sink_rect.height = 576;
240 dev->timeperframe_vid_out = (struct v4l2_fract) { 1000, 25000 };
62f28725 241 dev->service_set_out = V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B;
ef834f78
HV		 242 }
243 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
244 break;
245 case HDMI:
246 dev->sink_rect.width = bt->width;
247 dev->sink_rect.height = bt->height;
248 size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt);
b883ba75
PL		 249
250 if (can_reduce_fps(bt) && (bt->flags & V4L2_DV_FL_REDUCED_FPS))
251 pixelclock = div_u64(bt->pixelclock * 1000, 1001);
252 else
253 pixelclock = bt->pixelclock;
254
ef834f78 255 dev->timeperframe_vid_out = (struct v4l2_fract) {
b883ba75 256 size / 100, (u32)pixelclock / 100
ef834f78
HV		 257 };
258 if (bt->interlaced)
259 dev->field_out = V4L2_FIELD_ALTERNATE;
260 else
261 dev->field_out = V4L2_FIELD_NONE;
4a203349 262 if (!dev->dvi_d_out && (bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
ef834f78
HV		 263 if (bt->width == 720 && bt->height <= 576)
264 dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
265 else
266 dev->colorspace_out = V4L2_COLORSPACE_REC709;
267 } else {
268 dev->colorspace_out = V4L2_COLORSPACE_SRGB;
269 }
270 break;
271 }
ca5316db 272 dev->xfer_func_out = V4L2_XFER_FUNC_DEFAULT;
3e8a78d1
HV		 273 dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT;
274 dev->quantization_out = V4L2_QUANTIZATION_DEFAULT;
ef834f78
HV		 275 dev->compose_out = dev->sink_rect;
276 dev->compose_bounds_out = dev->sink_rect;
277 dev->crop_out = dev->compose_out;
278 if (V4L2_FIELD_HAS_T_OR_B(dev->field_out))
279 dev->crop_out.height /= 2;
280 dev->fmt_out_rect = dev->crop_out;
ddcaee9d
HV		 281 for (p = 0; p < dev->fmt_out->planes; p++)
282 dev->bytesperline_out[p] =
283 (dev->sink_rect.width * dev->fmt_out->bit_depth[p]) / 8;
ef834f78
HV		 284}
285
286/* Map the field to something that is valid for the current output */
287static enum v4l2_field vivid_field_out(struct vivid_dev *dev, enum v4l2_field field)
288{
289 if (vivid_is_svid_out(dev)) {
290 switch (field) {
291 case V4L2_FIELD_INTERLACED_TB:
292 case V4L2_FIELD_INTERLACED_BT:
293 case V4L2_FIELD_SEQ_TB:
294 case V4L2_FIELD_SEQ_BT:
295 case V4L2_FIELD_ALTERNATE:
296 return field;
297 case V4L2_FIELD_INTERLACED:
298 default:
299 return V4L2_FIELD_INTERLACED;
300 }
301 }
302 if (vivid_is_hdmi_out(dev))
303 return dev->dv_timings_out.bt.interlaced ? V4L2_FIELD_ALTERNATE :
304 V4L2_FIELD_NONE;
305 return V4L2_FIELD_NONE;
306}
307
308static enum tpg_pixel_aspect vivid_get_pixel_aspect(const struct vivid_dev *dev)
309{
310 if (vivid_is_svid_out(dev))
311 return (dev->std_out & V4L2_STD_525_60) ?
312 TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
313
314 if (vivid_is_hdmi_out(dev) &&
315 dev->sink_rect.width == 720 && dev->sink_rect.height <= 576)
316 return dev->sink_rect.height == 480 ?
317 TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
318
319 return TPG_PIXEL_ASPECT_SQUARE;
320}
321
322int vivid_g_fmt_vid_out(struct file *file, void *priv,
323 struct v4l2_format *f)
324{
325 struct vivid_dev *dev = video_drvdata(file);
326 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
ddcaee9d 327 const struct vivid_fmt *fmt = dev->fmt_out;
ef834f78
HV		 328 unsigned p;
329
330 mp->width = dev->fmt_out_rect.width;
331 mp->height = dev->fmt_out_rect.height;
332 mp->field = dev->field_out;
ddcaee9d 333 mp->pixelformat = fmt->fourcc;
ef834f78 334 mp->colorspace = dev->colorspace_out;
ca5316db 335 mp->xfer_func = dev->xfer_func_out;
3e8a78d1
HV		 336 mp->ycbcr_enc = dev->ycbcr_enc_out;
337 mp->quantization = dev->quantization_out;
ddcaee9d 338 mp->num_planes = fmt->buffers;
ef834f78
HV		 339 for (p = 0; p < mp->num_planes; p++) {
340 mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p];
341 mp->plane_fmt[p].sizeimage =
342 mp->plane_fmt[p].bytesperline * mp->height;
343 }
ddcaee9d
HV		 344 for (p = fmt->buffers; p < fmt->planes; p++) {
345 unsigned stride = dev->bytesperline_out[p];
346
1f9f23f6
HV		 347 mp->plane_fmt[0].sizeimage +=
348 (stride * mp->height) / fmt->vdownsampling[p];
ddcaee9d 349 }
ef834f78
HV		 350 return 0;
351}
352
353int vivid_try_fmt_vid_out(struct file *file, void *priv,
354 struct v4l2_format *f)
355{
356 struct vivid_dev *dev = video_drvdata(file);
357 struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
358 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
359 struct v4l2_plane_pix_format *pfmt = mp->plane_fmt;
360 const struct vivid_fmt *fmt;
361 unsigned bytesperline, max_bpl;
362 unsigned factor = 1;
363 unsigned w, h;
364 unsigned p;
365
1fc78bc9 366 fmt = vivid_get_format(dev, mp->pixelformat);
ef834f78
HV		 367 if (!fmt) {
368 dprintk(dev, 1, "Fourcc format (0x%08x) unknown.\n",
369 mp->pixelformat);
370 mp->pixelformat = V4L2_PIX_FMT_YUYV;
1fc78bc9 371 fmt = vivid_get_format(dev, mp->pixelformat);
ef834f78
HV		 372 }
373
374 mp->field = vivid_field_out(dev, mp->field);
375 if (vivid_is_svid_out(dev)) {
376 w = 720;
377 h = (dev->std_out & V4L2_STD_525_60) ? 480 : 576;
378 } else {
379 w = dev->sink_rect.width;
380 h = dev->sink_rect.height;
381 }
382 if (V4L2_FIELD_HAS_T_OR_B(mp->field))
383 factor = 2;
384 if (!dev->has_scaler_out && !dev->has_crop_out && !dev->has_compose_out) {
385 mp->width = w;
386 mp->height = h / factor;
387 } else {
388 struct v4l2_rect r = { 0, 0, mp->width, mp->height * factor };
389
390 rect_set_min_size(&r, &vivid_min_rect);
391 rect_set_max_size(&r, &vivid_max_rect);
392 if (dev->has_scaler_out && !dev->has_crop_out) {
393 struct v4l2_rect max_r = { 0, 0, MAX_ZOOM * w, MAX_ZOOM * h };
394
395 rect_set_max_size(&r, &max_r);
396 } else if (!dev->has_scaler_out && dev->has_compose_out && !dev->has_crop_out) {
397 rect_set_max_size(&r, &dev->sink_rect);
398 } else if (!dev->has_scaler_out && !dev->has_compose_out) {
399 rect_set_min_size(&r, &dev->sink_rect);
400 }
401 mp->width = r.width;
402 mp->height = r.height / factor;
403 }
404
405 /* This driver supports custom bytesperline values */
406
407 /* Calculate the minimum supported bytesperline value */
96c76efa 408 bytesperline = (mp->width * fmt->bit_depth[0]) >> 3;
ef834f78 409 /* Calculate the maximum supported bytesperline value */
96c76efa 410 max_bpl = (MAX_ZOOM * MAX_WIDTH * fmt->bit_depth[0]) >> 3;
ddcaee9d 411 mp->num_planes = fmt->buffers;
ef834f78
HV		 412 for (p = 0; p < mp->num_planes; p++) {
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 pfmt[p].sizeimage = pfmt[p].bytesperline * mp->height;
418 memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
419 }
ddcaee9d
HV		 420 for (p = fmt->buffers; p < fmt->planes; p++)
421 pfmt[0].sizeimage += (pfmt[0].bytesperline * fmt->bit_depth[p]) /
1f9f23f6 422 (fmt->bit_depth[0] * fmt->vdownsampling[p]);
ca5316db 423 mp->xfer_func = V4L2_XFER_FUNC_DEFAULT;
3e8a78d1
HV		 424 mp->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
425 mp->quantization = V4L2_QUANTIZATION_DEFAULT;
426 if (vivid_is_svid_out(dev)) {
ef834f78 427 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
4a203349 428 } else if (dev->dvi_d_out || !(bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) {
ef834f78 429 mp->colorspace = V4L2_COLORSPACE_SRGB;
3e8a78d1
HV		 430 if (dev->dvi_d_out)
431 mp->quantization = V4L2_QUANTIZATION_LIM_RANGE;
432 } else if (bt->width == 720 && bt->height <= 576) {
ef834f78 433 mp->colorspace = V4L2_COLORSPACE_SMPTE170M;
3e8a78d1
HV		 434 } else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M &&
435 mp->colorspace != V4L2_COLORSPACE_REC709 &&
436 mp->colorspace != V4L2_COLORSPACE_ADOBERGB &&
437 mp->colorspace != V4L2_COLORSPACE_BT2020 &&
438 mp->colorspace != V4L2_COLORSPACE_SRGB) {
ef834f78 439 mp->colorspace = V4L2_COLORSPACE_REC709;
3e8a78d1 440 }
ef834f78
HV		 441 memset(mp->reserved, 0, sizeof(mp->reserved));
442 return 0;
443}
444
445int vivid_s_fmt_vid_out(struct file *file, void *priv,
446 struct v4l2_format *f)
447{
448 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
449 struct vivid_dev *dev = video_drvdata(file);
450 struct v4l2_rect *crop = &dev->crop_out;
451 struct v4l2_rect *compose = &dev->compose_out;
452 struct vb2_queue *q = &dev->vb_vid_out_q;
453 int ret = vivid_try_fmt_vid_out(file, priv, f);
454 unsigned factor = 1;
ddcaee9d 455 unsigned p;
ef834f78
HV		 456
457 if (ret < 0)
458 return ret;
459
460 if (vb2_is_busy(q) &&
461 (vivid_is_svid_out(dev) ||
462 mp->width != dev->fmt_out_rect.width ||
463 mp->height != dev->fmt_out_rect.height ||
464 mp->pixelformat != dev->fmt_out->fourcc ||
465 mp->field != dev->field_out)) {
466 dprintk(dev, 1, "%s device busy\n", __func__);
467 return -EBUSY;
468 }
469
470 /*
471 * Allow for changing the colorspace on the fly. Useful for testing
472 * purposes, and it is something that HDMI transmitters are able
473 * to do.
474 */
475 if (vb2_is_busy(q))
476 goto set_colorspace;
477
1fc78bc9 478 dev->fmt_out = vivid_get_format(dev, mp->pixelformat);
ef834f78
HV		 479 if (V4L2_FIELD_HAS_T_OR_B(mp->field))
480 factor = 2;
481
482 if (dev->has_scaler_out || dev->has_crop_out || dev->has_compose_out) {
483 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
484
485 if (dev->has_scaler_out) {
486 if (dev->has_crop_out)
487 rect_map_inside(crop, &r);
488 else
489 *crop = r;
490 if (dev->has_compose_out && !dev->has_crop_out) {
491 struct v4l2_rect min_r = {
492 0, 0,
493 r.width / MAX_ZOOM,
494 factor * r.height / MAX_ZOOM
495 };
496 struct v4l2_rect max_r = {
497 0, 0,
498 r.width * MAX_ZOOM,
499 factor * r.height * MAX_ZOOM
500 };
501
502 rect_set_min_size(compose, &min_r);
503 rect_set_max_size(compose, &max_r);
504 rect_map_inside(compose, &dev->compose_bounds_out);
505 } else if (dev->has_compose_out) {
506 struct v4l2_rect min_r = {
507 0, 0,
508 crop->width / MAX_ZOOM,
509 factor * crop->height / MAX_ZOOM
510 };
511 struct v4l2_rect max_r = {
512 0, 0,
513 crop->width * MAX_ZOOM,
514 factor * crop->height * MAX_ZOOM
515 };
516
517 rect_set_min_size(compose, &min_r);
518 rect_set_max_size(compose, &max_r);
519 rect_map_inside(compose, &dev->compose_bounds_out);
520 }
521 } else if (dev->has_compose_out && !dev->has_crop_out) {
522 rect_set_size_to(crop, &r);
523 r.height *= factor;
524 rect_set_size_to(compose, &r);
525 rect_map_inside(compose, &dev->compose_bounds_out);
526 } else if (!dev->has_compose_out) {
527 rect_map_inside(crop, &r);
528 r.height /= factor;
529 rect_set_size_to(compose, &r);
530 } else {
531 r.height *= factor;
532 rect_set_max_size(compose, &r);
533 rect_map_inside(compose, &dev->compose_bounds_out);
534 crop->top *= factor;
535 crop->height *= factor;
536 rect_set_size_to(crop, compose);
537 rect_map_inside(crop, &r);
538 crop->top /= factor;
539 crop->height /= factor;
540 }
541 } else {
542 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
543
544 rect_set_size_to(crop, &r);
545 r.height /= factor;
546 rect_set_size_to(compose, &r);
547 }
548
549 dev->fmt_out_rect.width = mp->width;
550 dev->fmt_out_rect.height = mp->height;
ddcaee9d
HV		 551 for (p = 0; p < mp->num_planes; p++)
552 dev->bytesperline_out[p] = mp->plane_fmt[p].bytesperline;
553 for (p = dev->fmt_out->buffers; p < dev->fmt_out->planes; p++)
554 dev->bytesperline_out[p] =
555 (dev->bytesperline_out[0] * dev->fmt_out->bit_depth[p]) /
556 dev->fmt_out->bit_depth[0];
ef834f78
HV		 557 dev->field_out = mp->field;
558 if (vivid_is_svid_out(dev))
559 dev->tv_field_out = mp->field;
560
561set_colorspace:
562 dev->colorspace_out = mp->colorspace;
ca5316db 563 dev->xfer_func_out = mp->xfer_func;
3e8a78d1
HV		 564 dev->ycbcr_enc_out = mp->ycbcr_enc;
565 dev->quantization_out = mp->quantization;
ef834f78
HV		 566 if (dev->loop_video) {
567 vivid_send_source_change(dev, SVID);
568 vivid_send_source_change(dev, HDMI);
569 }
570 return 0;
571}
572
573int vidioc_g_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_g_fmt_vid_out(file, priv, f);
581}
582
583int vidioc_try_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_try_fmt_vid_out(file, priv, f);
591}
592
593int vidioc_s_fmt_vid_out_mplane(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 vivid_s_fmt_vid_out(file, priv, f);
601}
602
603int vidioc_g_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_g_fmt_vid_out);
611}
612
613int vidioc_try_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_try_fmt_vid_out);
621}
622
623int vidioc_s_fmt_vid_out(struct file *file, void *priv,
624 struct v4l2_format *f)
625{
626 struct vivid_dev *dev = video_drvdata(file);
627
628 if (dev->multiplanar)
629 return -ENOTTY;
630 return fmt_sp2mp_func(file, priv, f, vivid_s_fmt_vid_out);
631}
632
633int vivid_vid_out_g_selection(struct file *file, void *priv,
634 struct v4l2_selection *sel)
635{
636 struct vivid_dev *dev = video_drvdata(file);
637
638 if (!dev->has_crop_out && !dev->has_compose_out)
639 return -ENOTTY;
640 if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
641 return -EINVAL;
642
643 sel->r.left = sel->r.top = 0;
644 switch (sel->target) {
645 case V4L2_SEL_TGT_CROP:
646 if (!dev->has_crop_out)
647 return -EINVAL;
648 sel->r = dev->crop_out;
649 break;
650 case V4L2_SEL_TGT_CROP_DEFAULT:
651 if (!dev->has_crop_out)
652 return -EINVAL;
653 sel->r = dev->fmt_out_rect;
654 break;
655 case V4L2_SEL_TGT_CROP_BOUNDS:
bb9ff078 656 if (!dev->has_crop_out)
ef834f78
HV		 657 return -EINVAL;
658 sel->r = vivid_max_rect;
659 break;
660 case V4L2_SEL_TGT_COMPOSE:
661 if (!dev->has_compose_out)
662 return -EINVAL;
663 sel->r = dev->compose_out;
664 break;
665 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
666 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
667 if (!dev->has_compose_out)
668 return -EINVAL;
669 sel->r = dev->sink_rect;
670 break;
671 default:
672 return -EINVAL;
673 }
674 return 0;
675}
676
677int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
678{
679 struct vivid_dev *dev = video_drvdata(file);
680 struct v4l2_rect *crop = &dev->crop_out;
681 struct v4l2_rect *compose = &dev->compose_out;
682 unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_out) ? 2 : 1;
683 int ret;
684
685 if (!dev->has_crop_out && !dev->has_compose_out)
686 return -ENOTTY;
687 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
688 return -EINVAL;
689
690 switch (s->target) {
691 case V4L2_SEL_TGT_CROP:
692 if (!dev->has_crop_out)
693 return -EINVAL;
694 ret = vivid_vid_adjust_sel(s->flags, &s->r);
695 if (ret)
696 return ret;
697 rect_set_min_size(&s->r, &vivid_min_rect);
698 rect_set_max_size(&s->r, &dev->fmt_out_rect);
699 if (dev->has_scaler_out) {
700 struct v4l2_rect max_rect = {
701 0, 0,
702 dev->sink_rect.width * MAX_ZOOM,
703 (dev->sink_rect.height / factor) * MAX_ZOOM
704 };
705
706 rect_set_max_size(&s->r, &max_rect);
707 if (dev->has_compose_out) {
708 struct v4l2_rect min_rect = {
709 0, 0,
710 s->r.width / MAX_ZOOM,
711 (s->r.height * factor) / MAX_ZOOM
712 };
713 struct v4l2_rect max_rect = {
714 0, 0,
715 s->r.width * MAX_ZOOM,
716 (s->r.height * factor) * MAX_ZOOM
717 };
718
719 rect_set_min_size(compose, &min_rect);
720 rect_set_max_size(compose, &max_rect);
721 rect_map_inside(compose, &dev->compose_bounds_out);
722 }
723 } else if (dev->has_compose_out) {
724 s->r.top *= factor;
725 s->r.height *= factor;
726 rect_set_max_size(&s->r, &dev->sink_rect);
727 rect_set_size_to(compose, &s->r);
728 rect_map_inside(compose, &dev->compose_bounds_out);
729 s->r.top /= factor;
730 s->r.height /= factor;
731 } else {
732 rect_set_size_to(&s->r, &dev->sink_rect);
733 s->r.height /= factor;
734 }
735 rect_map_inside(&s->r, &dev->fmt_out_rect);
736 *crop = s->r;
737 break;
738 case V4L2_SEL_TGT_COMPOSE:
739 if (!dev->has_compose_out)
740 return -EINVAL;
741 ret = vivid_vid_adjust_sel(s->flags, &s->r);
742 if (ret)
743 return ret;
744 rect_set_min_size(&s->r, &vivid_min_rect);
745 rect_set_max_size(&s->r, &dev->sink_rect);
746 rect_map_inside(&s->r, &dev->compose_bounds_out);
747 s->r.top /= factor;
748 s->r.height /= factor;
749 if (dev->has_scaler_out) {
750 struct v4l2_rect fmt = dev->fmt_out_rect;
751 struct v4l2_rect max_rect = {
752 0, 0,
753 s->r.width * MAX_ZOOM,
754 s->r.height * MAX_ZOOM
755 };
756 struct v4l2_rect min_rect = {
757 0, 0,
758 s->r.width / MAX_ZOOM,
759 s->r.height / MAX_ZOOM
760 };
761
762 rect_set_min_size(&fmt, &min_rect);
763 if (!dev->has_crop_out)
764 rect_set_max_size(&fmt, &max_rect);
765 if (!rect_same_size(&dev->fmt_out_rect, &fmt) &&
766 vb2_is_busy(&dev->vb_vid_out_q))
767 return -EBUSY;
768 if (dev->has_crop_out) {
769 rect_set_min_size(crop, &min_rect);
770 rect_set_max_size(crop, &max_rect);
771 }
772 dev->fmt_out_rect = fmt;
773 } else if (dev->has_crop_out) {
774 struct v4l2_rect fmt = dev->fmt_out_rect;
775
776 rect_set_min_size(&fmt, &s->r);
777 if (!rect_same_size(&dev->fmt_out_rect, &fmt) &&
778 vb2_is_busy(&dev->vb_vid_out_q))
779 return -EBUSY;
780 dev->fmt_out_rect = fmt;
781 rect_set_size_to(crop, &s->r);
782 rect_map_inside(crop, &dev->fmt_out_rect);
783 } else {
784 if (!rect_same_size(&s->r, &dev->fmt_out_rect) &&
785 vb2_is_busy(&dev->vb_vid_out_q))
786 return -EBUSY;
787 rect_set_size_to(&dev->fmt_out_rect, &s->r);
788 rect_set_size_to(crop, &s->r);
789 crop->height /= factor;
790 rect_map_inside(crop, &dev->fmt_out_rect);
791 }
792 s->r.top *= factor;
793 s->r.height *= factor;
794 if (dev->bitmap_out && (compose->width != s->r.width ||
795 compose->height != s->r.height)) {
796 kfree(dev->bitmap_out);
797 dev->bitmap_out = NULL;
798 }
799 *compose = s->r;
800 break;
801 default:
802 return -EINVAL;
803 }
804
805 return 0;
806}
807
808int vivid_vid_out_cropcap(struct file *file, void *priv,
809 struct v4l2_cropcap *cap)
810{
811 struct vivid_dev *dev = video_drvdata(file);
812
813 if (cap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
814 return -EINVAL;
815
816 switch (vivid_get_pixel_aspect(dev)) {
817 case TPG_PIXEL_ASPECT_NTSC:
818 cap->pixelaspect.numerator = 11;
819 cap->pixelaspect.denominator = 10;
820 break;
821 case TPG_PIXEL_ASPECT_PAL:
822 cap->pixelaspect.numerator = 54;
823 cap->pixelaspect.denominator = 59;
824 break;
825 case TPG_PIXEL_ASPECT_SQUARE:
826 cap->pixelaspect.numerator = 1;
827 cap->pixelaspect.denominator = 1;
828 break;
829 }
830 return 0;
831}
832
833int vidioc_g_fmt_vid_out_overlay(struct file *file, void *priv,
834 struct v4l2_format *f)
835{
836 struct vivid_dev *dev = video_drvdata(file);
837 const struct v4l2_rect *compose = &dev->compose_out;
838 struct v4l2_window *win = &f->fmt.win;
839 unsigned clipcount = win->clipcount;
840
841 if (!dev->has_fb)
842 return -EINVAL;
843 win->w.top = dev->overlay_out_top;
844 win->w.left = dev->overlay_out_left;
845 win->w.width = compose->width;
846 win->w.height = compose->height;
847 win->clipcount = dev->clipcount_out;
848 win->field = V4L2_FIELD_ANY;
849 win->chromakey = dev->chromakey_out;
850 win->global_alpha = dev->global_alpha_out;
851 if (clipcount > dev->clipcount_out)
852 clipcount = dev->clipcount_out;
853 if (dev->bitmap_out == NULL)
854 win->bitmap = NULL;
855 else if (win->bitmap) {
856 if (copy_to_user(win->bitmap, dev->bitmap_out,
857 ((dev->compose_out.width + 7) / 8) * dev->compose_out.height))
858 return -EFAULT;
859 }
860 if (clipcount && win->clips) {
861 if (copy_to_user(win->clips, dev->clips_out,
862 clipcount * sizeof(dev->clips_out[0])))
863 return -EFAULT;
864 }
865 return 0;
866}
867
868int vidioc_try_fmt_vid_out_overlay(struct file *file, void *priv,
869 struct v4l2_format *f)
870{
871 struct vivid_dev *dev = video_drvdata(file);
872 const struct v4l2_rect *compose = &dev->compose_out;
873 struct v4l2_window *win = &f->fmt.win;
874 int i, j;
875
876 if (!dev->has_fb)
877 return -EINVAL;
878 win->w.left = clamp_t(int, win->w.left,
879 -dev->display_width, dev->display_width);
880 win->w.top = clamp_t(int, win->w.top,
881 -dev->display_height, dev->display_height);
882 win->w.width = compose->width;
883 win->w.height = compose->height;
884 /*
885 * It makes no sense for an OSD to overlay only top or bottom fields,
886 * so always set this to ANY.
887 */
888 win->field = V4L2_FIELD_ANY;
889 if (win->clipcount && !win->clips)
890 win->clipcount = 0;
891 if (win->clipcount > MAX_CLIPS)
892 win->clipcount = MAX_CLIPS;
893 if (win->clipcount) {
894 if (copy_from_user(dev->try_clips_out, win->clips,
895 win->clipcount * sizeof(dev->clips_out[0])))
896 return -EFAULT;
897 for (i = 0; i < win->clipcount; i++) {
898 struct v4l2_rect *r = &dev->try_clips_out[i].c;
899
900 r->top = clamp_t(s32, r->top, 0, dev->display_height - 1);
901 r->height = clamp_t(s32, r->height, 1, dev->display_height - r->top);
902 r->left = clamp_t(u32, r->left, 0, dev->display_width - 1);
903 r->width = clamp_t(u32, r->width, 1, dev->display_width - r->left);
904 }
905 /*
906 * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small
907 * number and it's typically a one-time deal.
908 */
909 for (i = 0; i < win->clipcount - 1; i++) {
910 struct v4l2_rect *r1 = &dev->try_clips_out[i].c;
911
912 for (j = i + 1; j < win->clipcount; j++) {
913 struct v4l2_rect *r2 = &dev->try_clips_out[j].c;
914
915 if (rect_overlap(r1, r2))
916 return -EINVAL;
917 }
918 }
919 if (copy_to_user(win->clips, dev->try_clips_out,
920 win->clipcount * sizeof(dev->clips_out[0])))
921 return -EFAULT;
922 }
923 return 0;
924}
925
926int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv,
927 struct v4l2_format *f)
928{
929 struct vivid_dev *dev = video_drvdata(file);
930 const struct v4l2_rect *compose = &dev->compose_out;
931 struct v4l2_window *win = &f->fmt.win;
932 int ret = vidioc_try_fmt_vid_out_overlay(file, priv, f);
933 unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height;
934 unsigned clips_size = win->clipcount * sizeof(dev->clips_out[0]);
935 void *new_bitmap = NULL;
936
937 if (ret)
938 return ret;
939
940 if (win->bitmap) {
02829691 941 new_bitmap = memdup_user(win->bitmap, bitmap_size);
ef834f78 942
02829691
MCC		 943 if (IS_ERR(new_bitmap))
944 return PTR_ERR(new_bitmap);
ef834f78
HV		 945 }
946
947 dev->overlay_out_top = win->w.top;
948 dev->overlay_out_left = win->w.left;
949 kfree(dev->bitmap_out);
950 dev->bitmap_out = new_bitmap;
951 dev->clipcount_out = win->clipcount;
952 if (dev->clipcount_out)
953 memcpy(dev->clips_out, dev->try_clips_out, clips_size);
954 dev->chromakey_out = win->chromakey;
955 dev->global_alpha_out = win->global_alpha;
956 return ret;
957}
958
959int vivid_vid_out_overlay(struct file *file, void *fh, unsigned i)
960{
961 struct vivid_dev *dev = video_drvdata(file);
962
963 if (i && !dev->fmt_out->can_do_overlay) {
964 dprintk(dev, 1, "unsupported output format for output overlay\n");
965 return -EINVAL;
966 }
967
968 dev->overlay_out_enabled = i;
969 return 0;
970}
971
972int vivid_vid_out_g_fbuf(struct file *file, void *fh,
973 struct v4l2_framebuffer *a)
974{
975 struct vivid_dev *dev = video_drvdata(file);
976
977 a->capability = V4L2_FBUF_CAP_EXTERNOVERLAY |
978 V4L2_FBUF_CAP_BITMAP_CLIPPING |
979 V4L2_FBUF_CAP_LIST_CLIPPING |
980 V4L2_FBUF_CAP_CHROMAKEY |
981 V4L2_FBUF_CAP_SRC_CHROMAKEY |
982 V4L2_FBUF_CAP_GLOBAL_ALPHA |
983 V4L2_FBUF_CAP_LOCAL_ALPHA |
984 V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
985 a->flags = V4L2_FBUF_FLAG_OVERLAY | dev->fbuf_out_flags;
986 a->base = (void *)dev->video_pbase;
987 a->fmt.width = dev->display_width;
988 a->fmt.height = dev->display_height;
989 if (dev->fb_defined.green.length == 5)
990 a->fmt.pixelformat = V4L2_PIX_FMT_ARGB555;
991 else
992 a->fmt.pixelformat = V4L2_PIX_FMT_RGB565;
993 a->fmt.bytesperline = dev->display_byte_stride;
994 a->fmt.sizeimage = a->fmt.height * a->fmt.bytesperline;
995 a->fmt.field = V4L2_FIELD_NONE;
996 a->fmt.colorspace = V4L2_COLORSPACE_SRGB;
997 a->fmt.priv = 0;
998 return 0;
999}
1000
1001int vivid_vid_out_s_fbuf(struct file *file, void *fh,
1002 const struct v4l2_framebuffer *a)
1003{
1004 struct vivid_dev *dev = video_drvdata(file);
1005 const unsigned chroma_flags = V4L2_FBUF_FLAG_CHROMAKEY |
1006 V4L2_FBUF_FLAG_SRC_CHROMAKEY;
1007 const unsigned alpha_flags = V4L2_FBUF_FLAG_GLOBAL_ALPHA |
1008 V4L2_FBUF_FLAG_LOCAL_ALPHA |
1009 V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1010
1011
1012 if ((a->flags & chroma_flags) == chroma_flags)
1013 return -EINVAL;
1014 switch (a->flags & alpha_flags) {
1015 case 0:
1016 case V4L2_FBUF_FLAG_GLOBAL_ALPHA:
1017 case V4L2_FBUF_FLAG_LOCAL_ALPHA:
1018 case V4L2_FBUF_FLAG_LOCAL_INV_ALPHA:
1019 break;
1020 default:
1021 return -EINVAL;
1022 }
1023 dev->fbuf_out_flags &= ~(chroma_flags | alpha_flags);
1024 dev->fbuf_out_flags = a->flags & (chroma_flags | alpha_flags);
1025 return 0;
1026}
1027
1028static const struct v4l2_audioout vivid_audio_outputs[] = {
1029 { 0, "Line-Out 1" },
1030 { 1, "Line-Out 2" },
1031};
1032
1033int vidioc_enum_output(struct file *file, void *priv,
1034 struct v4l2_output *out)
1035{
1036 struct vivid_dev *dev = video_drvdata(file);
1037
1038 if (out->index >= dev->num_outputs)
1039 return -EINVAL;
1040
1041 out->type = V4L2_OUTPUT_TYPE_ANALOG;
1042 switch (dev->output_type[out->index]) {
1043 case SVID:
1044 snprintf(out->name, sizeof(out->name), "S-Video %u",
1045 dev->output_name_counter[out->index]);
1046 out->std = V4L2_STD_ALL;
1047 if (dev->has_audio_outputs)
1048 out->audioset = (1 << ARRAY_SIZE(vivid_audio_outputs)) - 1;
1049 out->capabilities = V4L2_OUT_CAP_STD;
1050 break;
1051 case HDMI:
1052 snprintf(out->name, sizeof(out->name), "HDMI %u",
1053 dev->output_name_counter[out->index]);
1054 out->capabilities = V4L2_OUT_CAP_DV_TIMINGS;
1055 break;
1056 }
1057 return 0;
1058}
1059
1060int vidioc_g_output(struct file *file, void *priv, unsigned *o)
1061{
1062 struct vivid_dev *dev = video_drvdata(file);
1063
1064 *o = dev->output;
1065 return 0;
1066}
1067
1068int vidioc_s_output(struct file *file, void *priv, unsigned o)
1069{
1070 struct vivid_dev *dev = video_drvdata(file);
1071
1072 if (o >= dev->num_outputs)
1073 return -EINVAL;
1074
1075 if (o == dev->output)
1076 return 0;
1077
1078 if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1079 return -EBUSY;
1080
1081 dev->output = o;
1082 dev->tv_audio_output = 0;
1083 if (dev->output_type[o] == SVID)
1084 dev->vid_out_dev.tvnorms = V4L2_STD_ALL;
1085 else
1086 dev->vid_out_dev.tvnorms = 0;
1087
1088 dev->vbi_out_dev.tvnorms = dev->vid_out_dev.tvnorms;
1089 vivid_update_format_out(dev);
1090 return 0;
1091}
1092
1093int vidioc_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vout)
1094{
1095 if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1096 return -EINVAL;
1097 *vout = vivid_audio_outputs[vout->index];
1098 return 0;
1099}
1100
1101int vidioc_g_audout(struct file *file, void *fh, 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 *vout = vivid_audio_outputs[dev->tv_audio_output];
1108 return 0;
1109}
1110
1111int vidioc_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout)
1112{
1113 struct vivid_dev *dev = video_drvdata(file);
1114
1115 if (!vivid_is_svid_out(dev))
1116 return -EINVAL;
1117 if (vout->index >= ARRAY_SIZE(vivid_audio_outputs))
1118 return -EINVAL;
1119 dev->tv_audio_output = vout->index;
1120 return 0;
1121}
1122
1123int vivid_vid_out_s_std(struct file *file, void *priv, v4l2_std_id id)
1124{
1125 struct vivid_dev *dev = video_drvdata(file);
1126
1127 if (!vivid_is_svid_out(dev))
1128 return -ENODATA;
1129 if (dev->std_out == id)
1130 return 0;
1131 if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q))
1132 return -EBUSY;
1133 dev->std_out = id;
1134 vivid_update_format_out(dev);
1135 return 0;
1136}
1137
b1304f9b
PL		 1138static bool valid_cvt_gtf_timings(struct v4l2_dv_timings *timings)
1139{
1140 struct v4l2_bt_timings *bt = &timings->bt;
1141
1142 if ((bt->standards & (V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF)) &&
1143 v4l2_valid_dv_timings(timings, &vivid_dv_timings_cap, NULL, NULL))
1144 return true;
1145
1146 return false;
1147}
1148
ef834f78
HV		 1149int vivid_vid_out_s_dv_timings(struct file *file, void *_fh,
1150 struct v4l2_dv_timings *timings)
1151{
1152 struct vivid_dev *dev = video_drvdata(file);
ef834f78
HV		 1153 if (!vivid_is_hdmi_out(dev))
1154 return -ENODATA;
ef834f78 1155 if (!v4l2_find_dv_timings_cap(timings, &vivid_dv_timings_cap,
b1304f9b
PL		 1156 0, NULL, NULL) &&
1157 !valid_cvt_gtf_timings(timings))
ef834f78 1158 return -EINVAL;
85f9e06c 1159 if (v4l2_match_dv_timings(timings, &dev->dv_timings_out, 0, true))
ef834f78 1160 return 0;
1bd0835a
HV		 1161 if (vb2_is_busy(&dev->vb_vid_out_q))
1162 return -EBUSY;
ef834f78
HV		 1163 dev->dv_timings_out = *timings;
1164 vivid_update_format_out(dev);
1165 return 0;
1166}
1167
ef834f78
HV		 1168int vivid_vid_out_g_parm(struct file *file, void *priv,
1169 struct v4l2_streamparm *parm)
1170{
1171 struct vivid_dev *dev = video_drvdata(file);
1172
1173 if (parm->type != (dev->multiplanar ?
1174 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
1175 V4L2_BUF_TYPE_VIDEO_OUTPUT))
1176 return -EINVAL;
1177
1178 parm->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
1179 parm->parm.output.timeperframe = dev->timeperframe_vid_out;
1180 parm->parm.output.writebuffers = 1;
ee120ae0
MCC		 1181
1182 return 0;
ef834f78
HV		 1183}
1184
1185int vidioc_subscribe_event(struct v4l2_fh *fh,
1186 const struct v4l2_event_subscription *sub)
1187{
1188 switch (sub->type) {
1189 case V4L2_EVENT_CTRL:
1190 return v4l2_ctrl_subscribe_event(fh, sub);
1191 case V4L2_EVENT_SOURCE_CHANGE:
1192 if (fh->vdev->vfl_dir == VFL_DIR_RX)
1193 return v4l2_src_change_event_subscribe(fh, sub);
1194 break;
1195 default:
1196 break;
1197 }
1198 return -EINVAL;
1199}
Linux kernel - Deliverables
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