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ef834f78 HV |
1 | /* |
2 | * vivid-vid-common.c - common video 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 | ||
32 | const struct v4l2_dv_timings_cap vivid_dv_timings_cap = { | |
33 | .type = V4L2_DV_BT_656_1120, | |
34 | /* keep this initialization for compatibility with GCC < 4.4.6 */ | |
35 | .reserved = { 0 }, | |
36 | V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 25000000, 600000000, | |
37 | V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT, | |
38 | V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED) | |
39 | }; | |
40 | ||
41 | /* ------------------------------------------------------------------ | |
42 | Basic structures | |
43 | ------------------------------------------------------------------*/ | |
44 | ||
45 | struct vivid_fmt vivid_formats[] = { | |
46 | { | |
47 | .name = "4:2:2, packed, YUYV", | |
48 | .fourcc = V4L2_PIX_FMT_YUYV, | |
96c76efa HV |
49 | .vdownsampling = { 1 }, |
50 | .bit_depth = { 16 }, | |
ef834f78 HV |
51 | .is_yuv = true, |
52 | .planes = 1, | |
96c76efa | 53 | .buffers = 1, |
ef834f78 HV |
54 | .data_offset = { PLANE0_DATA_OFFSET, 0 }, |
55 | }, | |
56 | { | |
57 | .name = "4:2:2, packed, UYVY", | |
58 | .fourcc = V4L2_PIX_FMT_UYVY, | |
96c76efa HV |
59 | .vdownsampling = { 1 }, |
60 | .bit_depth = { 16 }, | |
ef834f78 HV |
61 | .is_yuv = true, |
62 | .planes = 1, | |
96c76efa | 63 | .buffers = 1, |
ef834f78 HV |
64 | }, |
65 | { | |
66 | .name = "4:2:2, packed, YVYU", | |
67 | .fourcc = V4L2_PIX_FMT_YVYU, | |
96c76efa HV |
68 | .vdownsampling = { 1 }, |
69 | .bit_depth = { 16 }, | |
ef834f78 HV |
70 | .is_yuv = true, |
71 | .planes = 1, | |
96c76efa | 72 | .buffers = 1, |
ef834f78 HV |
73 | }, |
74 | { | |
75 | .name = "4:2:2, packed, VYUY", | |
76 | .fourcc = V4L2_PIX_FMT_VYUY, | |
96c76efa HV |
77 | .vdownsampling = { 1 }, |
78 | .bit_depth = { 16 }, | |
ef834f78 HV |
79 | .is_yuv = true, |
80 | .planes = 1, | |
96c76efa | 81 | .buffers = 1, |
ef834f78 HV |
82 | }, |
83 | { | |
84 | .name = "RGB565 (LE)", | |
85 | .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */ | |
96c76efa HV |
86 | .vdownsampling = { 1 }, |
87 | .bit_depth = { 16 }, | |
ef834f78 | 88 | .planes = 1, |
96c76efa | 89 | .buffers = 1, |
ef834f78 HV |
90 | .can_do_overlay = true, |
91 | }, | |
92 | { | |
93 | .name = "RGB565 (BE)", | |
94 | .fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */ | |
96c76efa HV |
95 | .vdownsampling = { 1 }, |
96 | .bit_depth = { 16 }, | |
ef834f78 | 97 | .planes = 1, |
96c76efa | 98 | .buffers = 1, |
ef834f78 HV |
99 | .can_do_overlay = true, |
100 | }, | |
101 | { | |
102 | .name = "RGB555 (LE)", | |
103 | .fourcc = V4L2_PIX_FMT_RGB555, /* gggbbbbb arrrrrgg */ | |
96c76efa HV |
104 | .vdownsampling = { 1 }, |
105 | .bit_depth = { 16 }, | |
ef834f78 | 106 | .planes = 1, |
96c76efa | 107 | .buffers = 1, |
ef834f78 HV |
108 | .can_do_overlay = true, |
109 | }, | |
110 | { | |
111 | .name = "XRGB555 (LE)", | |
112 | .fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb arrrrrgg */ | |
96c76efa HV |
113 | .vdownsampling = { 1 }, |
114 | .bit_depth = { 16 }, | |
ef834f78 | 115 | .planes = 1, |
96c76efa | 116 | .buffers = 1, |
ef834f78 HV |
117 | .can_do_overlay = true, |
118 | }, | |
119 | { | |
120 | .name = "ARGB555 (LE)", | |
121 | .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */ | |
96c76efa HV |
122 | .vdownsampling = { 1 }, |
123 | .bit_depth = { 16 }, | |
ef834f78 | 124 | .planes = 1, |
96c76efa | 125 | .buffers = 1, |
ef834f78 HV |
126 | .can_do_overlay = true, |
127 | .alpha_mask = 0x8000, | |
128 | }, | |
129 | { | |
130 | .name = "RGB555 (BE)", | |
131 | .fourcc = V4L2_PIX_FMT_RGB555X, /* arrrrrgg gggbbbbb */ | |
96c76efa HV |
132 | .vdownsampling = { 1 }, |
133 | .bit_depth = { 16 }, | |
ef834f78 | 134 | .planes = 1, |
96c76efa | 135 | .buffers = 1, |
ef834f78 HV |
136 | .can_do_overlay = true, |
137 | }, | |
138 | { | |
139 | .name = "RGB24 (LE)", | |
140 | .fourcc = V4L2_PIX_FMT_RGB24, /* rgb */ | |
96c76efa HV |
141 | .vdownsampling = { 1 }, |
142 | .bit_depth = { 24 }, | |
ef834f78 | 143 | .planes = 1, |
96c76efa | 144 | .buffers = 1, |
ef834f78 HV |
145 | }, |
146 | { | |
147 | .name = "RGB24 (BE)", | |
148 | .fourcc = V4L2_PIX_FMT_BGR24, /* bgr */ | |
96c76efa HV |
149 | .vdownsampling = { 1 }, |
150 | .bit_depth = { 24 }, | |
ef834f78 | 151 | .planes = 1, |
96c76efa | 152 | .buffers = 1, |
ef834f78 HV |
153 | }, |
154 | { | |
155 | .name = "RGB32 (LE)", | |
156 | .fourcc = V4L2_PIX_FMT_RGB32, /* argb */ | |
96c76efa HV |
157 | .vdownsampling = { 1 }, |
158 | .bit_depth = { 32 }, | |
ef834f78 | 159 | .planes = 1, |
96c76efa | 160 | .buffers = 1, |
ef834f78 HV |
161 | }, |
162 | { | |
163 | .name = "RGB32 (BE)", | |
164 | .fourcc = V4L2_PIX_FMT_BGR32, /* bgra */ | |
96c76efa HV |
165 | .vdownsampling = { 1 }, |
166 | .bit_depth = { 32 }, | |
ef834f78 | 167 | .planes = 1, |
96c76efa | 168 | .buffers = 1, |
ef834f78 HV |
169 | }, |
170 | { | |
171 | .name = "XRGB32 (LE)", | |
172 | .fourcc = V4L2_PIX_FMT_XRGB32, /* argb */ | |
96c76efa HV |
173 | .vdownsampling = { 1 }, |
174 | .bit_depth = { 32 }, | |
ef834f78 | 175 | .planes = 1, |
96c76efa | 176 | .buffers = 1, |
ef834f78 HV |
177 | }, |
178 | { | |
179 | .name = "XRGB32 (BE)", | |
180 | .fourcc = V4L2_PIX_FMT_XBGR32, /* bgra */ | |
96c76efa HV |
181 | .vdownsampling = { 1 }, |
182 | .bit_depth = { 32 }, | |
ef834f78 | 183 | .planes = 1, |
96c76efa | 184 | .buffers = 1, |
ef834f78 HV |
185 | }, |
186 | { | |
187 | .name = "ARGB32 (LE)", | |
188 | .fourcc = V4L2_PIX_FMT_ARGB32, /* argb */ | |
96c76efa HV |
189 | .vdownsampling = { 1 }, |
190 | .bit_depth = { 32 }, | |
ef834f78 | 191 | .planes = 1, |
96c76efa | 192 | .buffers = 1, |
ef834f78 HV |
193 | .alpha_mask = 0x000000ff, |
194 | }, | |
195 | { | |
196 | .name = "ARGB32 (BE)", | |
197 | .fourcc = V4L2_PIX_FMT_ABGR32, /* bgra */ | |
96c76efa HV |
198 | .vdownsampling = { 1 }, |
199 | .bit_depth = { 32 }, | |
ef834f78 | 200 | .planes = 1, |
96c76efa | 201 | .buffers = 1, |
ef834f78 HV |
202 | .alpha_mask = 0xff000000, |
203 | }, | |
204 | { | |
96c76efa | 205 | .name = "4:2:2, biplanar, YUV", |
ef834f78 | 206 | .fourcc = V4L2_PIX_FMT_NV16M, |
96c76efa HV |
207 | .vdownsampling = { 1, 1 }, |
208 | .bit_depth = { 8, 8 }, | |
ef834f78 HV |
209 | .is_yuv = true, |
210 | .planes = 2, | |
96c76efa | 211 | .buffers = 2, |
ef834f78 HV |
212 | .data_offset = { PLANE0_DATA_OFFSET, 0 }, |
213 | }, | |
214 | { | |
96c76efa | 215 | .name = "4:2:2, biplanar, YVU", |
ef834f78 | 216 | .fourcc = V4L2_PIX_FMT_NV61M, |
96c76efa HV |
217 | .vdownsampling = { 1, 1 }, |
218 | .bit_depth = { 8, 8 }, | |
ef834f78 HV |
219 | .is_yuv = true, |
220 | .planes = 2, | |
96c76efa | 221 | .buffers = 2, |
ef834f78 HV |
222 | .data_offset = { 0, PLANE0_DATA_OFFSET }, |
223 | }, | |
224 | }; | |
225 | ||
226 | /* There are 2 multiplanar formats in the list */ | |
227 | #define VIVID_MPLANAR_FORMATS 2 | |
228 | ||
1fc78bc9 | 229 | const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat) |
ef834f78 HV |
230 | { |
231 | const struct vivid_fmt *fmt; | |
232 | unsigned k; | |
233 | ||
234 | for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) { | |
235 | fmt = &vivid_formats[k]; | |
236 | if (fmt->fourcc == pixelformat) | |
ddcaee9d | 237 | if (fmt->buffers == 1 || dev->multiplanar) |
ef834f78 HV |
238 | return fmt; |
239 | } | |
240 | ||
241 | return NULL; | |
242 | } | |
243 | ||
244 | bool vivid_vid_can_loop(struct vivid_dev *dev) | |
245 | { | |
246 | if (dev->src_rect.width != dev->sink_rect.width || | |
247 | dev->src_rect.height != dev->sink_rect.height) | |
248 | return false; | |
249 | if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc) | |
250 | return false; | |
251 | if (dev->field_cap != dev->field_out) | |
252 | return false; | |
ba24b442 HV |
253 | /* |
254 | * While this can be supported, it is just too much work | |
255 | * to actually implement. | |
256 | */ | |
257 | if (dev->field_cap == V4L2_FIELD_SEQ_TB || | |
258 | dev->field_cap == V4L2_FIELD_SEQ_BT) | |
259 | return false; | |
ef834f78 HV |
260 | if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) { |
261 | if (!(dev->std_cap & V4L2_STD_525_60) != | |
262 | !(dev->std_out & V4L2_STD_525_60)) | |
263 | return false; | |
264 | return true; | |
265 | } | |
266 | if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev)) | |
267 | return true; | |
268 | return false; | |
269 | } | |
270 | ||
271 | void vivid_send_source_change(struct vivid_dev *dev, unsigned type) | |
272 | { | |
273 | struct v4l2_event ev = { | |
274 | .type = V4L2_EVENT_SOURCE_CHANGE, | |
275 | .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, | |
276 | }; | |
277 | unsigned i; | |
278 | ||
279 | for (i = 0; i < dev->num_inputs; i++) { | |
280 | ev.id = i; | |
281 | if (dev->input_type[i] == type) { | |
282 | if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap) | |
283 | v4l2_event_queue(&dev->vid_cap_dev, &ev); | |
284 | if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap) | |
285 | v4l2_event_queue(&dev->vbi_cap_dev, &ev); | |
286 | } | |
287 | } | |
288 | } | |
289 | ||
290 | /* | |
291 | * Conversion function that converts a single-planar format to a | |
292 | * single-plane multiplanar format. | |
293 | */ | |
294 | void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt) | |
295 | { | |
296 | struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp; | |
297 | struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0]; | |
298 | const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix; | |
299 | bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
300 | ||
301 | memset(mp->reserved, 0, sizeof(mp->reserved)); | |
302 | mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE : | |
303 | V4L2_CAP_VIDEO_CAPTURE_MPLANE; | |
304 | mp->width = pix->width; | |
305 | mp->height = pix->height; | |
306 | mp->pixelformat = pix->pixelformat; | |
307 | mp->field = pix->field; | |
308 | mp->colorspace = pix->colorspace; | |
3e8a78d1 HV |
309 | mp->ycbcr_enc = pix->ycbcr_enc; |
310 | mp->quantization = pix->quantization; | |
ef834f78 HV |
311 | mp->num_planes = 1; |
312 | mp->flags = pix->flags; | |
313 | ppix->sizeimage = pix->sizeimage; | |
314 | ppix->bytesperline = pix->bytesperline; | |
315 | memset(ppix->reserved, 0, sizeof(ppix->reserved)); | |
316 | } | |
317 | ||
318 | int fmt_sp2mp_func(struct file *file, void *priv, | |
319 | struct v4l2_format *f, fmtfunc func) | |
320 | { | |
321 | struct v4l2_format fmt; | |
322 | struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp; | |
323 | struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0]; | |
324 | struct v4l2_pix_format *pix = &f->fmt.pix; | |
325 | int ret; | |
326 | ||
327 | /* Converts to a mplane format */ | |
328 | fmt_sp2mp(f, &fmt); | |
329 | /* Passes it to the generic mplane format function */ | |
330 | ret = func(file, priv, &fmt); | |
331 | /* Copies back the mplane data to the single plane format */ | |
332 | pix->width = mp->width; | |
333 | pix->height = mp->height; | |
334 | pix->pixelformat = mp->pixelformat; | |
335 | pix->field = mp->field; | |
336 | pix->colorspace = mp->colorspace; | |
3e8a78d1 HV |
337 | pix->ycbcr_enc = mp->ycbcr_enc; |
338 | pix->quantization = mp->quantization; | |
ef834f78 HV |
339 | pix->sizeimage = ppix->sizeimage; |
340 | pix->bytesperline = ppix->bytesperline; | |
341 | pix->flags = mp->flags; | |
342 | return ret; | |
343 | } | |
344 | ||
345 | /* v4l2_rect helper function: copy the width/height values */ | |
346 | void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size) | |
347 | { | |
348 | r->width = size->width; | |
349 | r->height = size->height; | |
350 | } | |
351 | ||
352 | /* v4l2_rect helper function: width and height of r should be >= min_size */ | |
353 | void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size) | |
354 | { | |
355 | if (r->width < min_size->width) | |
356 | r->width = min_size->width; | |
357 | if (r->height < min_size->height) | |
358 | r->height = min_size->height; | |
359 | } | |
360 | ||
361 | /* v4l2_rect helper function: width and height of r should be <= max_size */ | |
362 | void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size) | |
363 | { | |
364 | if (r->width > max_size->width) | |
365 | r->width = max_size->width; | |
366 | if (r->height > max_size->height) | |
367 | r->height = max_size->height; | |
368 | } | |
369 | ||
370 | /* v4l2_rect helper function: r should be inside boundary */ | |
371 | void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary) | |
372 | { | |
373 | rect_set_max_size(r, boundary); | |
374 | if (r->left < boundary->left) | |
375 | r->left = boundary->left; | |
376 | if (r->top < boundary->top) | |
377 | r->top = boundary->top; | |
378 | if (r->left + r->width > boundary->width) | |
379 | r->left = boundary->width - r->width; | |
380 | if (r->top + r->height > boundary->height) | |
381 | r->top = boundary->height - r->height; | |
382 | } | |
383 | ||
384 | /* v4l2_rect helper function: return true if r1 has the same size as r2 */ | |
385 | bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2) | |
386 | { | |
387 | return r1->width == r2->width && r1->height == r2->height; | |
388 | } | |
389 | ||
390 | /* v4l2_rect helper function: calculate the intersection of two rects */ | |
391 | struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b) | |
392 | { | |
393 | struct v4l2_rect r; | |
394 | int right, bottom; | |
395 | ||
396 | r.top = max(a->top, b->top); | |
397 | r.left = max(a->left, b->left); | |
398 | bottom = min(a->top + a->height, b->top + b->height); | |
399 | right = min(a->left + a->width, b->left + b->width); | |
400 | r.height = max(0, bottom - r.top); | |
401 | r.width = max(0, right - r.left); | |
402 | return r; | |
403 | } | |
404 | ||
405 | /* | |
406 | * v4l2_rect helper function: scale rect r by to->width / from->width and | |
407 | * to->height / from->height. | |
408 | */ | |
409 | void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from, | |
410 | const struct v4l2_rect *to) | |
411 | { | |
412 | if (from->width == 0 || from->height == 0) { | |
413 | r->left = r->top = r->width = r->height = 0; | |
414 | return; | |
415 | } | |
416 | r->left = (((r->left - from->left) * to->width) / from->width) & ~1; | |
417 | r->width = ((r->width * to->width) / from->width) & ~1; | |
418 | r->top = ((r->top - from->top) * to->height) / from->height; | |
419 | r->height = (r->height * to->height) / from->height; | |
420 | } | |
421 | ||
422 | bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2) | |
423 | { | |
424 | /* | |
425 | * IF the left side of r1 is to the right of the right side of r2 OR | |
426 | * the left side of r2 is to the right of the right side of r1 THEN | |
427 | * they do not overlap. | |
428 | */ | |
429 | if (r1->left >= r2->left + r2->width || | |
430 | r2->left >= r1->left + r1->width) | |
431 | return false; | |
432 | /* | |
433 | * IF the top side of r1 is below the bottom of r2 OR | |
434 | * the top side of r2 is below the bottom of r1 THEN | |
435 | * they do not overlap. | |
436 | */ | |
437 | if (r1->top >= r2->top + r2->height || | |
438 | r2->top >= r1->top + r1->height) | |
439 | return false; | |
440 | return true; | |
441 | } | |
442 | int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r) | |
443 | { | |
444 | unsigned w = r->width; | |
445 | unsigned h = r->height; | |
446 | ||
447 | if (!(flags & V4L2_SEL_FLAG_LE)) { | |
448 | w++; | |
449 | h++; | |
450 | if (w < 2) | |
451 | w = 2; | |
452 | if (h < 2) | |
453 | h = 2; | |
454 | } | |
455 | if (!(flags & V4L2_SEL_FLAG_GE)) { | |
456 | if (w > MAX_WIDTH) | |
457 | w = MAX_WIDTH; | |
458 | if (h > MAX_HEIGHT) | |
459 | h = MAX_HEIGHT; | |
460 | } | |
461 | w = w & ~1; | |
462 | h = h & ~1; | |
463 | if (w < 2 || h < 2) | |
464 | return -ERANGE; | |
465 | if (w > MAX_WIDTH || h > MAX_HEIGHT) | |
466 | return -ERANGE; | |
467 | if (r->top < 0) | |
468 | r->top = 0; | |
469 | if (r->left < 0) | |
470 | r->left = 0; | |
471 | r->left &= ~1; | |
472 | r->top &= ~1; | |
473 | if (r->left + w > MAX_WIDTH) | |
474 | r->left = MAX_WIDTH - w; | |
475 | if (r->top + h > MAX_HEIGHT) | |
476 | r->top = MAX_HEIGHT - h; | |
477 | if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) == | |
478 | (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) && | |
479 | (r->width != w || r->height != h)) | |
480 | return -ERANGE; | |
481 | r->width = w; | |
482 | r->height = h; | |
483 | return 0; | |
484 | } | |
485 | ||
486 | int vivid_enum_fmt_vid(struct file *file, void *priv, | |
487 | struct v4l2_fmtdesc *f) | |
488 | { | |
489 | struct vivid_dev *dev = video_drvdata(file); | |
490 | const struct vivid_fmt *fmt; | |
491 | ||
492 | if (f->index >= ARRAY_SIZE(vivid_formats) - | |
493 | (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS)) | |
494 | return -EINVAL; | |
495 | ||
496 | fmt = &vivid_formats[f->index]; | |
497 | ||
498 | strlcpy(f->description, fmt->name, sizeof(f->description)); | |
499 | f->pixelformat = fmt->fourcc; | |
500 | return 0; | |
501 | } | |
502 | ||
503 | int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv, | |
504 | struct v4l2_fmtdesc *f) | |
505 | { | |
506 | struct vivid_dev *dev = video_drvdata(file); | |
507 | ||
508 | if (!dev->multiplanar) | |
509 | return -ENOTTY; | |
510 | return vivid_enum_fmt_vid(file, priv, f); | |
511 | } | |
512 | ||
513 | int vidioc_enum_fmt_vid(struct file *file, void *priv, | |
514 | struct v4l2_fmtdesc *f) | |
515 | { | |
516 | struct vivid_dev *dev = video_drvdata(file); | |
517 | ||
518 | if (dev->multiplanar) | |
519 | return -ENOTTY; | |
520 | return vivid_enum_fmt_vid(file, priv, f); | |
521 | } | |
522 | ||
523 | int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) | |
524 | { | |
525 | struct vivid_dev *dev = video_drvdata(file); | |
526 | struct video_device *vdev = video_devdata(file); | |
527 | ||
528 | if (vdev->vfl_dir == VFL_DIR_RX) { | |
529 | if (!vivid_is_sdtv_cap(dev)) | |
530 | return -ENODATA; | |
531 | *id = dev->std_cap; | |
532 | } else { | |
533 | if (!vivid_is_svid_out(dev)) | |
534 | return -ENODATA; | |
535 | *id = dev->std_out; | |
536 | } | |
537 | return 0; | |
538 | } | |
539 | ||
540 | int vidioc_g_dv_timings(struct file *file, void *_fh, | |
541 | struct v4l2_dv_timings *timings) | |
542 | { | |
543 | struct vivid_dev *dev = video_drvdata(file); | |
544 | struct video_device *vdev = video_devdata(file); | |
545 | ||
546 | if (vdev->vfl_dir == VFL_DIR_RX) { | |
547 | if (!vivid_is_hdmi_cap(dev)) | |
548 | return -ENODATA; | |
549 | *timings = dev->dv_timings_cap; | |
550 | } else { | |
551 | if (!vivid_is_hdmi_out(dev)) | |
552 | return -ENODATA; | |
553 | *timings = dev->dv_timings_out; | |
554 | } | |
555 | return 0; | |
556 | } | |
557 | ||
558 | int vidioc_enum_dv_timings(struct file *file, void *_fh, | |
559 | struct v4l2_enum_dv_timings *timings) | |
560 | { | |
561 | struct vivid_dev *dev = video_drvdata(file); | |
562 | struct video_device *vdev = video_devdata(file); | |
563 | ||
564 | if (vdev->vfl_dir == VFL_DIR_RX) { | |
565 | if (!vivid_is_hdmi_cap(dev)) | |
566 | return -ENODATA; | |
567 | } else { | |
568 | if (!vivid_is_hdmi_out(dev)) | |
569 | return -ENODATA; | |
570 | } | |
571 | return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap, | |
572 | NULL, NULL); | |
573 | } | |
574 | ||
575 | int vidioc_dv_timings_cap(struct file *file, void *_fh, | |
576 | struct v4l2_dv_timings_cap *cap) | |
577 | { | |
578 | struct vivid_dev *dev = video_drvdata(file); | |
579 | struct video_device *vdev = video_devdata(file); | |
580 | ||
581 | if (vdev->vfl_dir == VFL_DIR_RX) { | |
582 | if (!vivid_is_hdmi_cap(dev)) | |
583 | return -ENODATA; | |
584 | } else { | |
585 | if (!vivid_is_hdmi_out(dev)) | |
586 | return -ENODATA; | |
587 | } | |
588 | *cap = vivid_dv_timings_cap; | |
589 | return 0; | |
590 | } | |
591 | ||
592 | int vidioc_g_edid(struct file *file, void *_fh, | |
593 | struct v4l2_edid *edid) | |
594 | { | |
595 | struct vivid_dev *dev = video_drvdata(file); | |
596 | struct video_device *vdev = video_devdata(file); | |
597 | ||
598 | memset(edid->reserved, 0, sizeof(edid->reserved)); | |
599 | if (vdev->vfl_dir == VFL_DIR_RX) { | |
600 | if (edid->pad >= dev->num_inputs) | |
601 | return -EINVAL; | |
602 | if (dev->input_type[edid->pad] != HDMI) | |
603 | return -EINVAL; | |
604 | } else { | |
605 | if (edid->pad >= dev->num_outputs) | |
606 | return -EINVAL; | |
607 | if (dev->output_type[edid->pad] != HDMI) | |
608 | return -EINVAL; | |
609 | } | |
610 | if (edid->start_block == 0 && edid->blocks == 0) { | |
611 | edid->blocks = dev->edid_blocks; | |
612 | return 0; | |
613 | } | |
614 | if (dev->edid_blocks == 0) | |
615 | return -ENODATA; | |
616 | if (edid->start_block >= dev->edid_blocks) | |
617 | return -EINVAL; | |
618 | if (edid->start_block + edid->blocks > dev->edid_blocks) | |
619 | edid->blocks = dev->edid_blocks - edid->start_block; | |
620 | memcpy(edid->edid, dev->edid, edid->blocks * 128); | |
621 | return 0; | |
622 | } |