1 // SPDX-License-Identifier: GPL-2.0-only
3 * vivid-vid-common.c - common video support functions.
5 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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>
17 #include "vivid-core.h"
18 #include "vivid-vid-common.h"
20 const struct v4l2_dv_timings_cap vivid_dv_timings_cap = {
21 .type = V4L2_DV_BT_656_1120,
22 /* keep this initialization for compatibility with GCC < 4.4.6 */
24 V4L2_INIT_BT_TIMINGS(16, MAX_WIDTH, 16, MAX_HEIGHT, 14000000, 775000000,
25 V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
26 V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF,
27 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
30 /* ------------------------------------------------------------------
32 ------------------------------------------------------------------*/
34 struct vivid_fmt vivid_formats[] = {
36 .fourcc = V4L2_PIX_FMT_YUYV,
37 .vdownsampling = { 1 },
39 .color_enc = TGP_COLOR_ENC_YCBCR,
42 .data_offset = { PLANE0_DATA_OFFSET },
45 .fourcc = V4L2_PIX_FMT_UYVY,
46 .vdownsampling = { 1 },
48 .color_enc = TGP_COLOR_ENC_YCBCR,
53 .fourcc = V4L2_PIX_FMT_YVYU,
54 .vdownsampling = { 1 },
56 .color_enc = TGP_COLOR_ENC_YCBCR,
61 .fourcc = V4L2_PIX_FMT_VYUY,
62 .vdownsampling = { 1 },
64 .color_enc = TGP_COLOR_ENC_YCBCR,
69 .fourcc = V4L2_PIX_FMT_YUV422P,
70 .vdownsampling = { 1, 1, 1 },
71 .bit_depth = { 8, 4, 4 },
72 .color_enc = TGP_COLOR_ENC_YCBCR,
77 .fourcc = V4L2_PIX_FMT_YUV420,
78 .vdownsampling = { 1, 2, 2 },
79 .bit_depth = { 8, 4, 4 },
80 .color_enc = TGP_COLOR_ENC_YCBCR,
85 .fourcc = V4L2_PIX_FMT_YVU420,
86 .vdownsampling = { 1, 2, 2 },
87 .bit_depth = { 8, 4, 4 },
88 .color_enc = TGP_COLOR_ENC_YCBCR,
93 .fourcc = V4L2_PIX_FMT_NV12,
94 .vdownsampling = { 1, 2 },
95 .bit_depth = { 8, 8 },
96 .color_enc = TGP_COLOR_ENC_YCBCR,
101 .fourcc = V4L2_PIX_FMT_NV21,
102 .vdownsampling = { 1, 2 },
103 .bit_depth = { 8, 8 },
104 .color_enc = TGP_COLOR_ENC_YCBCR,
109 .fourcc = V4L2_PIX_FMT_NV16,
110 .vdownsampling = { 1, 1 },
111 .bit_depth = { 8, 8 },
112 .color_enc = TGP_COLOR_ENC_YCBCR,
117 .fourcc = V4L2_PIX_FMT_NV61,
118 .vdownsampling = { 1, 1 },
119 .bit_depth = { 8, 8 },
120 .color_enc = TGP_COLOR_ENC_YCBCR,
125 .fourcc = V4L2_PIX_FMT_NV24,
126 .vdownsampling = { 1, 1 },
127 .bit_depth = { 8, 16 },
128 .color_enc = TGP_COLOR_ENC_YCBCR,
133 .fourcc = V4L2_PIX_FMT_NV42,
134 .vdownsampling = { 1, 1 },
135 .bit_depth = { 8, 16 },
136 .color_enc = TGP_COLOR_ENC_YCBCR,
141 .fourcc = V4L2_PIX_FMT_YUV555, /* uuuvvvvv ayyyyyuu */
142 .vdownsampling = { 1 },
146 .alpha_mask = 0x8000,
149 .fourcc = V4L2_PIX_FMT_YUV565, /* uuuvvvvv yyyyyuuu */
150 .vdownsampling = { 1 },
156 .fourcc = V4L2_PIX_FMT_YUV444, /* uuuuvvvv aaaayyyy */
157 .vdownsampling = { 1 },
161 .alpha_mask = 0xf000,
164 .fourcc = V4L2_PIX_FMT_YUV32, /* ayuv */
165 .vdownsampling = { 1 },
169 .alpha_mask = 0x000000ff,
172 .fourcc = V4L2_PIX_FMT_AYUV32,
173 .vdownsampling = { 1 },
177 .alpha_mask = 0x000000ff,
180 .fourcc = V4L2_PIX_FMT_XYUV32,
181 .vdownsampling = { 1 },
187 .fourcc = V4L2_PIX_FMT_VUYA32,
188 .vdownsampling = { 1 },
192 .alpha_mask = 0xff000000,
195 .fourcc = V4L2_PIX_FMT_VUYX32,
196 .vdownsampling = { 1 },
202 .fourcc = V4L2_PIX_FMT_GREY,
203 .vdownsampling = { 1 },
205 .color_enc = TGP_COLOR_ENC_LUMA,
210 .fourcc = V4L2_PIX_FMT_Y10,
211 .vdownsampling = { 1 },
213 .color_enc = TGP_COLOR_ENC_LUMA,
218 .fourcc = V4L2_PIX_FMT_Y12,
219 .vdownsampling = { 1 },
221 .color_enc = TGP_COLOR_ENC_LUMA,
226 .fourcc = V4L2_PIX_FMT_Y16,
227 .vdownsampling = { 1 },
229 .color_enc = TGP_COLOR_ENC_LUMA,
234 .fourcc = V4L2_PIX_FMT_Y16_BE,
235 .vdownsampling = { 1 },
237 .color_enc = TGP_COLOR_ENC_LUMA,
242 .fourcc = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
243 .vdownsampling = { 1 },
249 .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
250 .vdownsampling = { 1 },
254 .can_do_overlay = true,
257 .fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
258 .vdownsampling = { 1 },
262 .can_do_overlay = true,
265 .fourcc = V4L2_PIX_FMT_RGB444, /* ggggbbbb xxxxrrrr */
266 .vdownsampling = { 1 },
272 .fourcc = V4L2_PIX_FMT_XRGB444, /* ggggbbbb xxxxrrrr */
273 .vdownsampling = { 1 },
279 .fourcc = V4L2_PIX_FMT_ARGB444, /* ggggbbbb aaaarrrr */
280 .vdownsampling = { 1 },
284 .alpha_mask = 0x00f0,
287 .fourcc = V4L2_PIX_FMT_RGBX444, /* bbbbxxxx rrrrgggg */
288 .vdownsampling = { 1 },
294 .fourcc = V4L2_PIX_FMT_RGBA444, /* bbbbaaaa rrrrgggg */
295 .vdownsampling = { 1 },
299 .alpha_mask = 0x00f0,
302 .fourcc = V4L2_PIX_FMT_XBGR444, /* ggggrrrr xxxxbbbb */
303 .vdownsampling = { 1 },
309 .fourcc = V4L2_PIX_FMT_ABGR444, /* ggggrrrr aaaabbbb */
310 .vdownsampling = { 1 },
314 .alpha_mask = 0x00f0,
317 .fourcc = V4L2_PIX_FMT_BGRX444, /* rrrrxxxx bbbbgggg */
318 .vdownsampling = { 1 },
324 .fourcc = V4L2_PIX_FMT_BGRA444, /* rrrraaaa bbbbgggg */
325 .vdownsampling = { 1 },
329 .alpha_mask = 0x00f0,
332 .fourcc = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
333 .vdownsampling = { 1 },
337 .can_do_overlay = true,
340 .fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb xrrrrrgg */
341 .vdownsampling = { 1 },
345 .can_do_overlay = true,
348 .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
349 .vdownsampling = { 1 },
353 .can_do_overlay = true,
354 .alpha_mask = 0x8000,
357 .fourcc = V4L2_PIX_FMT_RGBX555, /* ggbbbbbx rrrrrggg */
358 .vdownsampling = { 1 },
362 .can_do_overlay = true,
365 .fourcc = V4L2_PIX_FMT_RGBA555, /* ggbbbbba rrrrrggg */
366 .vdownsampling = { 1 },
370 .can_do_overlay = true,
371 .alpha_mask = 0x8000,
374 .fourcc = V4L2_PIX_FMT_XBGR555, /* gggrrrrr xbbbbbgg */
375 .vdownsampling = { 1 },
379 .can_do_overlay = true,
382 .fourcc = V4L2_PIX_FMT_ABGR555, /* gggrrrrr abbbbbgg */
383 .vdownsampling = { 1 },
387 .can_do_overlay = true,
388 .alpha_mask = 0x8000,
391 .fourcc = V4L2_PIX_FMT_BGRX555, /* ggrrrrrx bbbbbggg */
392 .vdownsampling = { 1 },
396 .can_do_overlay = true,
399 .fourcc = V4L2_PIX_FMT_BGRA555, /* ggrrrrra bbbbbggg */
400 .vdownsampling = { 1 },
404 .can_do_overlay = true,
405 .alpha_mask = 0x8000,
408 .fourcc = V4L2_PIX_FMT_RGB555X, /* xrrrrrgg gggbbbbb */
409 .vdownsampling = { 1 },
415 .fourcc = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
416 .vdownsampling = { 1 },
422 .fourcc = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
423 .vdownsampling = { 1 },
427 .alpha_mask = 0x0080,
430 .fourcc = V4L2_PIX_FMT_RGB24, /* rgb */
431 .vdownsampling = { 1 },
437 .fourcc = V4L2_PIX_FMT_BGR24, /* bgr */
438 .vdownsampling = { 1 },
444 .fourcc = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
445 .vdownsampling = { 1 },
451 .fourcc = V4L2_PIX_FMT_RGB32, /* xrgb */
452 .vdownsampling = { 1 },
458 .fourcc = V4L2_PIX_FMT_BGR32, /* bgrx */
459 .vdownsampling = { 1 },
465 .fourcc = V4L2_PIX_FMT_XRGB32, /* xrgb */
466 .vdownsampling = { 1 },
472 .fourcc = V4L2_PIX_FMT_XBGR32, /* bgrx */
473 .vdownsampling = { 1 },
479 .fourcc = V4L2_PIX_FMT_ARGB32, /* argb */
480 .vdownsampling = { 1 },
484 .alpha_mask = 0x000000ff,
487 .fourcc = V4L2_PIX_FMT_ABGR32, /* bgra */
488 .vdownsampling = { 1 },
492 .alpha_mask = 0xff000000,
495 .fourcc = V4L2_PIX_FMT_RGBX32, /* rgbx */
496 .vdownsampling = { 1 },
502 .fourcc = V4L2_PIX_FMT_BGRX32, /* xbgr */
503 .vdownsampling = { 1 },
509 .fourcc = V4L2_PIX_FMT_RGBA32, /* rgba */
510 .vdownsampling = { 1 },
514 .alpha_mask = 0x000000ff,
517 .fourcc = V4L2_PIX_FMT_BGRA32, /* abgr */
518 .vdownsampling = { 1 },
522 .alpha_mask = 0xff000000,
525 .fourcc = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
526 .vdownsampling = { 1 },
532 .fourcc = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
533 .vdownsampling = { 1 },
539 .fourcc = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
540 .vdownsampling = { 1 },
546 .fourcc = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
547 .vdownsampling = { 1 },
553 .fourcc = V4L2_PIX_FMT_SBGGR10, /* Bayer BG/GR */
554 .vdownsampling = { 1 },
560 .fourcc = V4L2_PIX_FMT_SGBRG10, /* Bayer GB/RG */
561 .vdownsampling = { 1 },
567 .fourcc = V4L2_PIX_FMT_SGRBG10, /* Bayer GR/BG */
568 .vdownsampling = { 1 },
574 .fourcc = V4L2_PIX_FMT_SRGGB10, /* Bayer RG/GB */
575 .vdownsampling = { 1 },
581 .fourcc = V4L2_PIX_FMT_SBGGR12, /* Bayer BG/GR */
582 .vdownsampling = { 1 },
588 .fourcc = V4L2_PIX_FMT_SGBRG12, /* Bayer GB/RG */
589 .vdownsampling = { 1 },
595 .fourcc = V4L2_PIX_FMT_SGRBG12, /* Bayer GR/BG */
596 .vdownsampling = { 1 },
602 .fourcc = V4L2_PIX_FMT_SRGGB12, /* Bayer RG/GB */
603 .vdownsampling = { 1 },
609 .fourcc = V4L2_PIX_FMT_SBGGR16, /* Bayer BG/GR */
610 .vdownsampling = { 1 },
616 .fourcc = V4L2_PIX_FMT_SGBRG16, /* Bayer GB/RG */
617 .vdownsampling = { 1 },
623 .fourcc = V4L2_PIX_FMT_SGRBG16, /* Bayer GR/BG */
624 .vdownsampling = { 1 },
630 .fourcc = V4L2_PIX_FMT_SRGGB16, /* Bayer RG/GB */
631 .vdownsampling = { 1 },
637 .fourcc = V4L2_PIX_FMT_HSV24, /* HSV 24bits */
638 .color_enc = TGP_COLOR_ENC_HSV,
639 .vdownsampling = { 1 },
645 .fourcc = V4L2_PIX_FMT_HSV32, /* HSV 32bits */
646 .color_enc = TGP_COLOR_ENC_HSV,
647 .vdownsampling = { 1 },
653 /* Multiplanar formats */
656 .fourcc = V4L2_PIX_FMT_NV16M,
657 .vdownsampling = { 1, 1 },
658 .bit_depth = { 8, 8 },
659 .color_enc = TGP_COLOR_ENC_YCBCR,
662 .data_offset = { PLANE0_DATA_OFFSET, 0 },
665 .fourcc = V4L2_PIX_FMT_NV61M,
666 .vdownsampling = { 1, 1 },
667 .bit_depth = { 8, 8 },
668 .color_enc = TGP_COLOR_ENC_YCBCR,
671 .data_offset = { 0, PLANE0_DATA_OFFSET },
674 .fourcc = V4L2_PIX_FMT_YUV420M,
675 .vdownsampling = { 1, 2, 2 },
676 .bit_depth = { 8, 4, 4 },
677 .color_enc = TGP_COLOR_ENC_YCBCR,
682 .fourcc = V4L2_PIX_FMT_YVU420M,
683 .vdownsampling = { 1, 2, 2 },
684 .bit_depth = { 8, 4, 4 },
685 .color_enc = TGP_COLOR_ENC_YCBCR,
690 .fourcc = V4L2_PIX_FMT_NV12M,
691 .vdownsampling = { 1, 2 },
692 .bit_depth = { 8, 8 },
693 .color_enc = TGP_COLOR_ENC_YCBCR,
698 .fourcc = V4L2_PIX_FMT_NV21M,
699 .vdownsampling = { 1, 2 },
700 .bit_depth = { 8, 8 },
701 .color_enc = TGP_COLOR_ENC_YCBCR,
706 .fourcc = V4L2_PIX_FMT_YUV422M,
707 .vdownsampling = { 1, 1, 1 },
708 .bit_depth = { 8, 4, 4 },
709 .color_enc = TGP_COLOR_ENC_YCBCR,
714 .fourcc = V4L2_PIX_FMT_YVU422M,
715 .vdownsampling = { 1, 1, 1 },
716 .bit_depth = { 8, 4, 4 },
717 .color_enc = TGP_COLOR_ENC_YCBCR,
722 .fourcc = V4L2_PIX_FMT_YUV444M,
723 .vdownsampling = { 1, 1, 1 },
724 .bit_depth = { 8, 8, 8 },
725 .color_enc = TGP_COLOR_ENC_YCBCR,
730 .fourcc = V4L2_PIX_FMT_YVU444M,
731 .vdownsampling = { 1, 1, 1 },
732 .bit_depth = { 8, 8, 8 },
733 .color_enc = TGP_COLOR_ENC_YCBCR,
739 /* There are this many multiplanar formats in the list */
740 #define VIVID_MPLANAR_FORMATS 10
742 const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat)
744 const struct vivid_fmt *fmt;
747 for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
748 fmt = &vivid_formats[k];
749 if (fmt->fourcc == pixelformat)
750 if (fmt->buffers == 1 || dev->multiplanar)
757 bool vivid_vid_can_loop(struct vivid_dev *dev)
759 if (dev->src_rect.width != dev->sink_rect.width ||
760 dev->src_rect.height != dev->sink_rect.height)
762 if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
764 if (dev->field_cap != dev->field_out)
767 * While this can be supported, it is just too much work
768 * to actually implement.
770 if (dev->field_cap == V4L2_FIELD_SEQ_TB ||
771 dev->field_cap == V4L2_FIELD_SEQ_BT)
773 if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
774 if (!(dev->std_cap[dev->input] & V4L2_STD_525_60) !=
775 !(dev->std_out & V4L2_STD_525_60))
779 if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
784 void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
786 struct v4l2_event ev = {
787 .type = V4L2_EVENT_SOURCE_CHANGE,
788 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
792 for (i = 0; i < dev->num_inputs; i++) {
794 if (dev->input_type[i] == type) {
795 if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
796 v4l2_event_queue(&dev->vid_cap_dev, &ev);
797 if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
798 v4l2_event_queue(&dev->vbi_cap_dev, &ev);
804 * Conversion function that converts a single-planar format to a
805 * single-plane multiplanar format.
807 void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
809 struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
810 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
811 const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
812 bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
814 memset(mp->reserved, 0, sizeof(mp->reserved));
815 mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
816 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
817 mp->width = pix->width;
818 mp->height = pix->height;
819 mp->pixelformat = pix->pixelformat;
820 mp->field = pix->field;
821 mp->colorspace = pix->colorspace;
822 mp->xfer_func = pix->xfer_func;
823 /* Also copies hsv_enc */
824 mp->ycbcr_enc = pix->ycbcr_enc;
825 mp->quantization = pix->quantization;
827 mp->flags = pix->flags;
828 ppix->sizeimage = pix->sizeimage;
829 ppix->bytesperline = pix->bytesperline;
830 memset(ppix->reserved, 0, sizeof(ppix->reserved));
833 int fmt_sp2mp_func(struct file *file, void *priv,
834 struct v4l2_format *f, fmtfunc func)
836 struct v4l2_format fmt;
837 struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
838 struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
839 struct v4l2_pix_format *pix = &f->fmt.pix;
842 /* Converts to a mplane format */
844 /* Passes it to the generic mplane format function */
845 ret = func(file, priv, &fmt);
846 /* Copies back the mplane data to the single plane format */
847 pix->width = mp->width;
848 pix->height = mp->height;
849 pix->pixelformat = mp->pixelformat;
850 pix->field = mp->field;
851 pix->colorspace = mp->colorspace;
852 pix->xfer_func = mp->xfer_func;
853 /* Also copies hsv_enc */
854 pix->ycbcr_enc = mp->ycbcr_enc;
855 pix->quantization = mp->quantization;
856 pix->sizeimage = ppix->sizeimage;
857 pix->bytesperline = ppix->bytesperline;
858 pix->flags = mp->flags;
862 int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
864 unsigned w = r->width;
865 unsigned h = r->height;
867 /* sanitize w and h in case someone passes ~0 as the value */
870 if (!(flags & V4L2_SEL_FLAG_LE)) {
878 if (!(flags & V4L2_SEL_FLAG_GE)) {
888 if (w > MAX_WIDTH || h > MAX_HEIGHT)
894 /* sanitize left and top in case someone passes ~0 as the value */
897 if (r->left + w > MAX_WIDTH)
898 r->left = MAX_WIDTH - w;
899 if (r->top + h > MAX_HEIGHT)
900 r->top = MAX_HEIGHT - h;
901 if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
902 (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
903 (r->width != w || r->height != h))
910 int vivid_enum_fmt_vid(struct file *file, void *priv,
911 struct v4l2_fmtdesc *f)
913 struct vivid_dev *dev = video_drvdata(file);
914 const struct vivid_fmt *fmt;
916 if (f->index >= ARRAY_SIZE(vivid_formats) -
917 (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
920 fmt = &vivid_formats[f->index];
922 f->pixelformat = fmt->fourcc;
926 int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
928 struct vivid_dev *dev = video_drvdata(file);
929 struct video_device *vdev = video_devdata(file);
931 if (vdev->vfl_dir == VFL_DIR_RX) {
932 if (!vivid_is_sdtv_cap(dev))
934 *id = dev->std_cap[dev->input];
936 if (!vivid_is_svid_out(dev))
943 int vidioc_g_dv_timings(struct file *file, void *_fh,
944 struct v4l2_dv_timings *timings)
946 struct vivid_dev *dev = video_drvdata(file);
947 struct video_device *vdev = video_devdata(file);
949 if (vdev->vfl_dir == VFL_DIR_RX) {
950 if (!vivid_is_hdmi_cap(dev))
952 *timings = dev->dv_timings_cap[dev->input];
954 if (!vivid_is_hdmi_out(dev))
956 *timings = dev->dv_timings_out;
961 int vidioc_enum_dv_timings(struct file *file, void *_fh,
962 struct v4l2_enum_dv_timings *timings)
964 struct vivid_dev *dev = video_drvdata(file);
965 struct video_device *vdev = video_devdata(file);
967 if (vdev->vfl_dir == VFL_DIR_RX) {
968 if (!vivid_is_hdmi_cap(dev))
971 if (!vivid_is_hdmi_out(dev))
974 return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
978 int vidioc_dv_timings_cap(struct file *file, void *_fh,
979 struct v4l2_dv_timings_cap *cap)
981 struct vivid_dev *dev = video_drvdata(file);
982 struct video_device *vdev = video_devdata(file);
984 if (vdev->vfl_dir == VFL_DIR_RX) {
985 if (!vivid_is_hdmi_cap(dev))
988 if (!vivid_is_hdmi_out(dev))
991 *cap = vivid_dv_timings_cap;
995 int vidioc_g_edid(struct file *file, void *_fh,
996 struct v4l2_edid *edid)
998 struct vivid_dev *dev = video_drvdata(file);
999 struct video_device *vdev = video_devdata(file);
1000 struct cec_adapter *adap;
1002 memset(edid->reserved, 0, sizeof(edid->reserved));
1003 if (vdev->vfl_dir == VFL_DIR_RX) {
1004 if (edid->pad >= dev->num_inputs)
1006 if (dev->input_type[edid->pad] != HDMI)
1008 adap = dev->cec_rx_adap;
1010 unsigned int bus_idx;
1012 if (edid->pad >= dev->num_outputs)
1014 if (dev->output_type[edid->pad] != HDMI)
1016 if (!dev->display_present[edid->pad])
1018 bus_idx = dev->cec_output2bus_map[edid->pad];
1019 adap = dev->cec_tx_adap[bus_idx];
1021 if (edid->start_block == 0 && edid->blocks == 0) {
1022 edid->blocks = dev->edid_blocks;
1025 if (dev->edid_blocks == 0)
1027 if (edid->start_block >= dev->edid_blocks)
1029 if (edid->blocks > dev->edid_blocks - edid->start_block)
1030 edid->blocks = dev->edid_blocks - edid->start_block;
1032 v4l2_set_edid_phys_addr(dev->edid, dev->edid_blocks * 128, adap->phys_addr);
1033 memcpy(edid->edid, dev->edid + edid->start_block * 128, edid->blocks * 128);