1 // SPDX-License-Identifier: GPL-2.0-only
3 * vivid-vid-cap.c - video capture 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/vmalloc.h>
12 #include <linux/videodev2.h>
13 #include <linux/v4l2-dv-timings.h>
14 #include <media/v4l2-common.h>
15 #include <media/v4l2-event.h>
16 #include <media/v4l2-dv-timings.h>
17 #include <media/v4l2-rect.h>
19 #include "vivid-core.h"
20 #include "vivid-vid-common.h"
21 #include "vivid-kthread-cap.h"
22 #include "vivid-vid-cap.h"
24 static const struct vivid_fmt formats_ovl[] = {
26 .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
27 .vdownsampling = { 1 },
33 .fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb arrrrrgg */
34 .vdownsampling = { 1 },
40 .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
41 .vdownsampling = { 1 },
48 /* The number of discrete webcam framesizes */
49 #define VIVID_WEBCAM_SIZES 6
50 /* The number of discrete webcam frameintervals */
51 #define VIVID_WEBCAM_IVALS (VIVID_WEBCAM_SIZES * 2)
53 /* Sizes must be in increasing order */
54 static const struct v4l2_frmsize_discrete webcam_sizes[VIVID_WEBCAM_SIZES] = {
64 * Intervals must be in increasing order and there must be twice as many
65 * elements in this array as there are in webcam_sizes.
67 static const struct v4l2_fract webcam_intervals[VIVID_WEBCAM_IVALS] = {
82 static int vid_cap_queue_setup(struct vb2_queue *vq,
83 unsigned *nbuffers, unsigned *nplanes,
84 unsigned sizes[], struct device *alloc_devs[])
86 struct vivid_dev *dev = vb2_get_drv_priv(vq);
87 unsigned buffers = tpg_g_buffers(&dev->tpg);
88 unsigned h = dev->fmt_cap_rect.height;
91 if (dev->field_cap == V4L2_FIELD_ALTERNATE) {
93 * You cannot use read() with FIELD_ALTERNATE since the field
94 * information (TOP/BOTTOM) cannot be passed back to the user.
96 if (vb2_fileio_is_active(vq))
100 if (dev->queue_setup_error) {
102 * Error injection: test what happens if queue_setup() returns
105 dev->queue_setup_error = false;
110 * Check if the number of requested planes match
111 * the number of buffers in the current format. You can't mix that.
113 if (*nplanes != buffers)
115 for (p = 0; p < buffers; p++) {
116 if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h +
117 dev->fmt_cap->data_offset[p])
121 for (p = 0; p < buffers; p++)
122 sizes[p] = (tpg_g_line_width(&dev->tpg, p) * h) /
123 dev->fmt_cap->vdownsampling[p] +
124 dev->fmt_cap->data_offset[p];
127 if (vq->num_buffers + *nbuffers < 2)
128 *nbuffers = 2 - vq->num_buffers;
132 dprintk(dev, 1, "%s: count=%d\n", __func__, *nbuffers);
133 for (p = 0; p < buffers; p++)
134 dprintk(dev, 1, "%s: size[%u]=%u\n", __func__, p, sizes[p]);
139 static int vid_cap_buf_prepare(struct vb2_buffer *vb)
141 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
143 unsigned buffers = tpg_g_buffers(&dev->tpg);
146 dprintk(dev, 1, "%s\n", __func__);
148 if (WARN_ON(NULL == dev->fmt_cap))
151 if (dev->buf_prepare_error) {
153 * Error injection: test what happens if buf_prepare() returns
156 dev->buf_prepare_error = false;
159 for (p = 0; p < buffers; p++) {
160 size = (tpg_g_line_width(&dev->tpg, p) *
161 dev->fmt_cap_rect.height) /
162 dev->fmt_cap->vdownsampling[p] +
163 dev->fmt_cap->data_offset[p];
165 if (vb2_plane_size(vb, p) < size) {
166 dprintk(dev, 1, "%s data will not fit into plane %u (%lu < %lu)\n",
167 __func__, p, vb2_plane_size(vb, p), size);
171 vb2_set_plane_payload(vb, p, size);
172 vb->planes[p].data_offset = dev->fmt_cap->data_offset[p];
178 static void vid_cap_buf_finish(struct vb2_buffer *vb)
180 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
181 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
182 struct v4l2_timecode *tc = &vbuf->timecode;
184 unsigned seq = vbuf->sequence;
186 if (!vivid_is_sdtv_cap(dev))
190 * Set the timecode. Rarely used, so it is interesting to
193 vbuf->flags |= V4L2_BUF_FLAG_TIMECODE;
194 if (dev->std_cap[dev->input] & V4L2_STD_525_60)
196 tc->type = (fps == 30) ? V4L2_TC_TYPE_30FPS : V4L2_TC_TYPE_25FPS;
198 tc->frames = seq % fps;
199 tc->seconds = (seq / fps) % 60;
200 tc->minutes = (seq / (60 * fps)) % 60;
201 tc->hours = (seq / (60 * 60 * fps)) % 24;
204 static void vid_cap_buf_queue(struct vb2_buffer *vb)
206 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
207 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
208 struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb);
210 dprintk(dev, 1, "%s\n", __func__);
212 spin_lock(&dev->slock);
213 list_add_tail(&buf->list, &dev->vid_cap_active);
214 spin_unlock(&dev->slock);
217 static int vid_cap_start_streaming(struct vb2_queue *vq, unsigned count)
219 struct vivid_dev *dev = vb2_get_drv_priv(vq);
223 if (vb2_is_streaming(&dev->vb_vid_out_q))
224 dev->can_loop_video = vivid_vid_can_loop(dev);
226 dev->vid_cap_seq_count = 0;
227 dprintk(dev, 1, "%s\n", __func__);
228 for (i = 0; i < VIDEO_MAX_FRAME; i++)
229 dev->must_blank[i] = tpg_g_perc_fill(&dev->tpg) < 100;
230 if (dev->start_streaming_error) {
231 dev->start_streaming_error = false;
234 err = vivid_start_generating_vid_cap(dev, &dev->vid_cap_streaming);
237 struct vivid_buffer *buf, *tmp;
239 list_for_each_entry_safe(buf, tmp, &dev->vid_cap_active, list) {
240 list_del(&buf->list);
241 vb2_buffer_done(&buf->vb.vb2_buf,
242 VB2_BUF_STATE_QUEUED);
248 /* abort streaming and wait for last buffer */
249 static void vid_cap_stop_streaming(struct vb2_queue *vq)
251 struct vivid_dev *dev = vb2_get_drv_priv(vq);
253 dprintk(dev, 1, "%s\n", __func__);
254 vivid_stop_generating_vid_cap(dev, &dev->vid_cap_streaming);
255 dev->can_loop_video = false;
258 static void vid_cap_buf_request_complete(struct vb2_buffer *vb)
260 struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
262 v4l2_ctrl_request_complete(vb->req_obj.req, &dev->ctrl_hdl_vid_cap);
265 const struct vb2_ops vivid_vid_cap_qops = {
266 .queue_setup = vid_cap_queue_setup,
267 .buf_prepare = vid_cap_buf_prepare,
268 .buf_finish = vid_cap_buf_finish,
269 .buf_queue = vid_cap_buf_queue,
270 .start_streaming = vid_cap_start_streaming,
271 .stop_streaming = vid_cap_stop_streaming,
272 .buf_request_complete = vid_cap_buf_request_complete,
273 .wait_prepare = vb2_ops_wait_prepare,
274 .wait_finish = vb2_ops_wait_finish,
278 * Determine the 'picture' quality based on the current TV frequency: either
279 * COLOR for a good 'signal', GRAY (grayscale picture) for a slightly off
280 * signal or NOISE for no signal.
282 void vivid_update_quality(struct vivid_dev *dev)
284 unsigned freq_modulus;
286 if (dev->loop_video && (vivid_is_svid_cap(dev) || vivid_is_hdmi_cap(dev))) {
288 * The 'noise' will only be replaced by the actual video
289 * if the output video matches the input video settings.
291 tpg_s_quality(&dev->tpg, TPG_QUAL_NOISE, 0);
294 if (vivid_is_hdmi_cap(dev) &&
295 VIVID_INVALID_SIGNAL(dev->dv_timings_signal_mode[dev->input])) {
296 tpg_s_quality(&dev->tpg, TPG_QUAL_NOISE, 0);
299 if (vivid_is_sdtv_cap(dev) &&
300 VIVID_INVALID_SIGNAL(dev->std_signal_mode[dev->input])) {
301 tpg_s_quality(&dev->tpg, TPG_QUAL_NOISE, 0);
304 if (!vivid_is_tv_cap(dev)) {
305 tpg_s_quality(&dev->tpg, TPG_QUAL_COLOR, 0);
310 * There is a fake channel every 6 MHz at 49.25, 55.25, etc.
311 * From +/- 0.25 MHz around the channel there is color, and from
312 * +/- 1 MHz there is grayscale (chroma is lost).
313 * Everywhere else it is just noise.
315 freq_modulus = (dev->tv_freq - 676 /* (43.25-1) * 16 */) % (6 * 16);
316 if (freq_modulus > 2 * 16) {
317 tpg_s_quality(&dev->tpg, TPG_QUAL_NOISE,
318 next_pseudo_random32(dev->tv_freq ^ 0x55) & 0x3f);
321 if (freq_modulus < 12 /*0.75 * 16*/ || freq_modulus > 20 /*1.25 * 16*/)
322 tpg_s_quality(&dev->tpg, TPG_QUAL_GRAY, 0);
324 tpg_s_quality(&dev->tpg, TPG_QUAL_COLOR, 0);
328 * Get the current picture quality and the associated afc value.
330 static enum tpg_quality vivid_get_quality(struct vivid_dev *dev, s32 *afc)
332 unsigned freq_modulus;
336 if (tpg_g_quality(&dev->tpg) == TPG_QUAL_COLOR ||
337 tpg_g_quality(&dev->tpg) == TPG_QUAL_NOISE)
338 return tpg_g_quality(&dev->tpg);
341 * There is a fake channel every 6 MHz at 49.25, 55.25, etc.
342 * From +/- 0.25 MHz around the channel there is color, and from
343 * +/- 1 MHz there is grayscale (chroma is lost).
344 * Everywhere else it is just gray.
346 freq_modulus = (dev->tv_freq - 676 /* (43.25-1) * 16 */) % (6 * 16);
348 *afc = freq_modulus - 1 * 16;
349 return TPG_QUAL_GRAY;
352 enum tpg_video_aspect vivid_get_video_aspect(const struct vivid_dev *dev)
354 if (vivid_is_sdtv_cap(dev))
355 return dev->std_aspect_ratio[dev->input];
357 if (vivid_is_hdmi_cap(dev))
358 return dev->dv_timings_aspect_ratio[dev->input];
360 return TPG_VIDEO_ASPECT_IMAGE;
363 static enum tpg_pixel_aspect vivid_get_pixel_aspect(const struct vivid_dev *dev)
365 if (vivid_is_sdtv_cap(dev))
366 return (dev->std_cap[dev->input] & V4L2_STD_525_60) ?
367 TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
369 if (vivid_is_hdmi_cap(dev) &&
370 dev->src_rect.width == 720 && dev->src_rect.height <= 576)
371 return dev->src_rect.height == 480 ?
372 TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL;
374 return TPG_PIXEL_ASPECT_SQUARE;
378 * Called whenever the format has to be reset which can occur when
379 * changing inputs, standard, timings, etc.
381 void vivid_update_format_cap(struct vivid_dev *dev, bool keep_controls)
383 struct v4l2_bt_timings *bt = &dev->dv_timings_cap[dev->input].bt;
387 switch (dev->input_type[dev->input]) {
390 dev->src_rect.width = webcam_sizes[dev->webcam_size_idx].width;
391 dev->src_rect.height = webcam_sizes[dev->webcam_size_idx].height;
392 dev->timeperframe_vid_cap = webcam_intervals[dev->webcam_ival_idx];
393 dev->field_cap = V4L2_FIELD_NONE;
394 tpg_s_rgb_range(&dev->tpg, V4L2_DV_RGB_RANGE_AUTO);
398 dev->field_cap = dev->tv_field_cap;
399 dev->src_rect.width = 720;
400 if (dev->std_cap[dev->input] & V4L2_STD_525_60) {
401 dev->src_rect.height = 480;
402 dev->timeperframe_vid_cap = (struct v4l2_fract) { 1001, 30000 };
403 dev->service_set_cap = V4L2_SLICED_CAPTION_525;
405 dev->src_rect.height = 576;
406 dev->timeperframe_vid_cap = (struct v4l2_fract) { 1000, 25000 };
407 dev->service_set_cap = V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B;
409 tpg_s_rgb_range(&dev->tpg, V4L2_DV_RGB_RANGE_AUTO);
412 dev->src_rect.width = bt->width;
413 dev->src_rect.height = bt->height;
414 size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt);
415 if (dev->reduced_fps && can_reduce_fps(bt)) {
416 pixelclock = div_u64(bt->pixelclock * 1000, 1001);
417 bt->flags |= V4L2_DV_FL_REDUCED_FPS;
419 pixelclock = bt->pixelclock;
420 bt->flags &= ~V4L2_DV_FL_REDUCED_FPS;
422 dev->timeperframe_vid_cap = (struct v4l2_fract) {
423 size / 100, (u32)pixelclock / 100
426 dev->field_cap = V4L2_FIELD_ALTERNATE;
428 dev->field_cap = V4L2_FIELD_NONE;
431 * We can be called from within s_ctrl, in that case we can't
432 * set/get controls. Luckily we don't need to in that case.
434 if (keep_controls || !dev->colorspace)
436 if (bt->flags & V4L2_DV_FL_IS_CE_VIDEO) {
437 if (bt->width == 720 && bt->height <= 576)
438 v4l2_ctrl_s_ctrl(dev->colorspace, VIVID_CS_170M);
440 v4l2_ctrl_s_ctrl(dev->colorspace, VIVID_CS_709);
441 v4l2_ctrl_s_ctrl(dev->real_rgb_range_cap, 1);
443 v4l2_ctrl_s_ctrl(dev->colorspace, VIVID_CS_SRGB);
444 v4l2_ctrl_s_ctrl(dev->real_rgb_range_cap, 0);
446 tpg_s_rgb_range(&dev->tpg, v4l2_ctrl_g_ctrl(dev->rgb_range_cap));
449 vfree(dev->bitmap_cap);
450 dev->bitmap_cap = NULL;
451 vivid_update_quality(dev);
452 tpg_reset_source(&dev->tpg, dev->src_rect.width, dev->src_rect.height, dev->field_cap);
453 dev->crop_cap = dev->src_rect;
454 dev->crop_bounds_cap = dev->src_rect;
455 if (dev->bitmap_cap &&
456 (dev->compose_cap.width != dev->crop_cap.width ||
457 dev->compose_cap.height != dev->crop_cap.height)) {
458 vfree(dev->bitmap_cap);
459 dev->bitmap_cap = NULL;
461 dev->compose_cap = dev->crop_cap;
462 if (V4L2_FIELD_HAS_T_OR_B(dev->field_cap))
463 dev->compose_cap.height /= 2;
464 dev->fmt_cap_rect = dev->compose_cap;
465 tpg_s_video_aspect(&dev->tpg, vivid_get_video_aspect(dev));
466 tpg_s_pixel_aspect(&dev->tpg, vivid_get_pixel_aspect(dev));
467 tpg_update_mv_step(&dev->tpg);
470 /* Map the field to something that is valid for the current input */
471 static enum v4l2_field vivid_field_cap(struct vivid_dev *dev, enum v4l2_field field)
473 if (vivid_is_sdtv_cap(dev)) {
475 case V4L2_FIELD_INTERLACED_TB:
476 case V4L2_FIELD_INTERLACED_BT:
477 case V4L2_FIELD_SEQ_TB:
478 case V4L2_FIELD_SEQ_BT:
480 case V4L2_FIELD_BOTTOM:
481 case V4L2_FIELD_ALTERNATE:
483 case V4L2_FIELD_INTERLACED:
485 return V4L2_FIELD_INTERLACED;
488 if (vivid_is_hdmi_cap(dev))
489 return dev->dv_timings_cap[dev->input].bt.interlaced ?
490 V4L2_FIELD_ALTERNATE : V4L2_FIELD_NONE;
491 return V4L2_FIELD_NONE;
494 static unsigned vivid_colorspace_cap(struct vivid_dev *dev)
496 if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev))
497 return tpg_g_colorspace(&dev->tpg);
498 return dev->colorspace_out;
501 static unsigned vivid_xfer_func_cap(struct vivid_dev *dev)
503 if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev))
504 return tpg_g_xfer_func(&dev->tpg);
505 return dev->xfer_func_out;
508 static unsigned vivid_ycbcr_enc_cap(struct vivid_dev *dev)
510 if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev))
511 return tpg_g_ycbcr_enc(&dev->tpg);
512 return dev->ycbcr_enc_out;
515 static unsigned int vivid_hsv_enc_cap(struct vivid_dev *dev)
517 if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev))
518 return tpg_g_hsv_enc(&dev->tpg);
519 return dev->hsv_enc_out;
522 static unsigned vivid_quantization_cap(struct vivid_dev *dev)
524 if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev))
525 return tpg_g_quantization(&dev->tpg);
526 return dev->quantization_out;
529 int vivid_g_fmt_vid_cap(struct file *file, void *priv,
530 struct v4l2_format *f)
532 struct vivid_dev *dev = video_drvdata(file);
533 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
536 mp->width = dev->fmt_cap_rect.width;
537 mp->height = dev->fmt_cap_rect.height;
538 mp->field = dev->field_cap;
539 mp->pixelformat = dev->fmt_cap->fourcc;
540 mp->colorspace = vivid_colorspace_cap(dev);
541 mp->xfer_func = vivid_xfer_func_cap(dev);
542 if (dev->fmt_cap->color_enc == TGP_COLOR_ENC_HSV)
543 mp->hsv_enc = vivid_hsv_enc_cap(dev);
545 mp->ycbcr_enc = vivid_ycbcr_enc_cap(dev);
546 mp->quantization = vivid_quantization_cap(dev);
547 mp->num_planes = dev->fmt_cap->buffers;
548 for (p = 0; p < mp->num_planes; p++) {
549 mp->plane_fmt[p].bytesperline = tpg_g_bytesperline(&dev->tpg, p);
550 mp->plane_fmt[p].sizeimage =
551 (tpg_g_line_width(&dev->tpg, p) * mp->height) /
552 dev->fmt_cap->vdownsampling[p] +
553 dev->fmt_cap->data_offset[p];
558 int vivid_try_fmt_vid_cap(struct file *file, void *priv,
559 struct v4l2_format *f)
561 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
562 struct v4l2_plane_pix_format *pfmt = mp->plane_fmt;
563 struct vivid_dev *dev = video_drvdata(file);
564 const struct vivid_fmt *fmt;
565 unsigned bytesperline, max_bpl;
569 bool user_set_csc = !!(mp->flags & V4L2_PIX_FMT_FLAG_SET_CSC);
571 fmt = vivid_get_format(dev, mp->pixelformat);
573 dprintk(dev, 1, "Fourcc format (0x%08x) unknown.\n",
575 mp->pixelformat = V4L2_PIX_FMT_YUYV;
576 fmt = vivid_get_format(dev, mp->pixelformat);
579 mp->field = vivid_field_cap(dev, mp->field);
580 if (vivid_is_webcam(dev)) {
581 const struct v4l2_frmsize_discrete *sz =
582 v4l2_find_nearest_size(webcam_sizes,
583 VIVID_WEBCAM_SIZES, width,
584 height, mp->width, mp->height);
588 } else if (vivid_is_sdtv_cap(dev)) {
590 h = (dev->std_cap[dev->input] & V4L2_STD_525_60) ? 480 : 576;
592 w = dev->src_rect.width;
593 h = dev->src_rect.height;
595 if (V4L2_FIELD_HAS_T_OR_B(mp->field))
597 if (vivid_is_webcam(dev) ||
598 (!dev->has_scaler_cap && !dev->has_crop_cap && !dev->has_compose_cap)) {
600 mp->height = h / factor;
602 struct v4l2_rect r = { 0, 0, mp->width, mp->height * factor };
604 v4l2_rect_set_min_size(&r, &vivid_min_rect);
605 v4l2_rect_set_max_size(&r, &vivid_max_rect);
606 if (dev->has_scaler_cap && !dev->has_compose_cap) {
607 struct v4l2_rect max_r = { 0, 0, MAX_ZOOM * w, MAX_ZOOM * h };
609 v4l2_rect_set_max_size(&r, &max_r);
610 } else if (!dev->has_scaler_cap && dev->has_crop_cap && !dev->has_compose_cap) {
611 v4l2_rect_set_max_size(&r, &dev->src_rect);
612 } else if (!dev->has_scaler_cap && !dev->has_crop_cap) {
613 v4l2_rect_set_min_size(&r, &dev->src_rect);
616 mp->height = r.height / factor;
619 /* This driver supports custom bytesperline values */
621 mp->num_planes = fmt->buffers;
622 for (p = 0; p < fmt->buffers; p++) {
623 /* Calculate the minimum supported bytesperline value */
624 bytesperline = (mp->width * fmt->bit_depth[p]) >> 3;
625 /* Calculate the maximum supported bytesperline value */
626 max_bpl = (MAX_ZOOM * MAX_WIDTH * fmt->bit_depth[p]) >> 3;
628 if (pfmt[p].bytesperline > max_bpl)
629 pfmt[p].bytesperline = max_bpl;
630 if (pfmt[p].bytesperline < bytesperline)
631 pfmt[p].bytesperline = bytesperline;
633 pfmt[p].sizeimage = (pfmt[p].bytesperline * mp->height) /
634 fmt->vdownsampling[p] + fmt->data_offset[p];
636 memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved));
638 for (p = fmt->buffers; p < fmt->planes; p++)
639 pfmt[0].sizeimage += (pfmt[0].bytesperline * mp->height *
640 (fmt->bit_depth[p] / fmt->vdownsampling[p])) /
641 (fmt->bit_depth[0] / fmt->vdownsampling[0]);
643 if (!user_set_csc || !v4l2_is_colorspace_valid(mp->colorspace))
644 mp->colorspace = vivid_colorspace_cap(dev);
646 if (!user_set_csc || !v4l2_is_xfer_func_valid(mp->xfer_func))
647 mp->xfer_func = vivid_xfer_func_cap(dev);
649 if (fmt->color_enc == TGP_COLOR_ENC_HSV) {
650 if (!user_set_csc || !v4l2_is_hsv_enc_valid(mp->hsv_enc))
651 mp->hsv_enc = vivid_hsv_enc_cap(dev);
652 } else if (fmt->color_enc == TGP_COLOR_ENC_YCBCR) {
653 if (!user_set_csc || !v4l2_is_ycbcr_enc_valid(mp->ycbcr_enc))
654 mp->ycbcr_enc = vivid_ycbcr_enc_cap(dev);
656 mp->ycbcr_enc = vivid_ycbcr_enc_cap(dev);
659 if (fmt->color_enc == TGP_COLOR_ENC_YCBCR ||
660 fmt->color_enc == TGP_COLOR_ENC_RGB) {
661 if (!user_set_csc || !v4l2_is_quant_valid(mp->quantization))
662 mp->quantization = vivid_quantization_cap(dev);
664 mp->quantization = vivid_quantization_cap(dev);
667 memset(mp->reserved, 0, sizeof(mp->reserved));
671 int vivid_s_fmt_vid_cap(struct file *file, void *priv,
672 struct v4l2_format *f)
674 struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp;
675 struct vivid_dev *dev = video_drvdata(file);
676 struct v4l2_rect *crop = &dev->crop_cap;
677 struct v4l2_rect *compose = &dev->compose_cap;
678 struct vb2_queue *q = &dev->vb_vid_cap_q;
679 int ret = vivid_try_fmt_vid_cap(file, priv, f);
687 if (vb2_is_busy(q)) {
688 dprintk(dev, 1, "%s device busy\n", __func__);
692 if (dev->overlay_cap_owner && dev->fb_cap.fmt.pixelformat != mp->pixelformat) {
693 dprintk(dev, 1, "overlay is active, can't change pixelformat\n");
697 dev->fmt_cap = vivid_get_format(dev, mp->pixelformat);
698 if (V4L2_FIELD_HAS_T_OR_B(mp->field))
701 /* Note: the webcam input doesn't support scaling, cropping or composing */
703 if (!vivid_is_webcam(dev) &&
704 (dev->has_scaler_cap || dev->has_crop_cap || dev->has_compose_cap)) {
705 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
707 if (dev->has_scaler_cap) {
708 if (dev->has_compose_cap)
709 v4l2_rect_map_inside(compose, &r);
712 if (dev->has_crop_cap && !dev->has_compose_cap) {
713 struct v4l2_rect min_r = {
716 factor * r.height / MAX_ZOOM
718 struct v4l2_rect max_r = {
721 factor * r.height * MAX_ZOOM
724 v4l2_rect_set_min_size(crop, &min_r);
725 v4l2_rect_set_max_size(crop, &max_r);
726 v4l2_rect_map_inside(crop, &dev->crop_bounds_cap);
727 } else if (dev->has_crop_cap) {
728 struct v4l2_rect min_r = {
730 compose->width / MAX_ZOOM,
731 factor * compose->height / MAX_ZOOM
733 struct v4l2_rect max_r = {
735 compose->width * MAX_ZOOM,
736 factor * compose->height * MAX_ZOOM
739 v4l2_rect_set_min_size(crop, &min_r);
740 v4l2_rect_set_max_size(crop, &max_r);
741 v4l2_rect_map_inside(crop, &dev->crop_bounds_cap);
743 } else if (dev->has_crop_cap && !dev->has_compose_cap) {
745 v4l2_rect_set_size_to(crop, &r);
746 v4l2_rect_map_inside(crop, &dev->crop_bounds_cap);
749 v4l2_rect_set_size_to(compose, &r);
750 } else if (!dev->has_crop_cap) {
751 v4l2_rect_map_inside(compose, &r);
754 v4l2_rect_set_max_size(crop, &r);
755 v4l2_rect_map_inside(crop, &dev->crop_bounds_cap);
756 compose->top *= factor;
757 compose->height *= factor;
758 v4l2_rect_set_size_to(compose, crop);
759 v4l2_rect_map_inside(compose, &r);
760 compose->top /= factor;
761 compose->height /= factor;
763 } else if (vivid_is_webcam(dev)) {
764 /* Guaranteed to be a match */
765 for (i = 0; i < ARRAY_SIZE(webcam_sizes); i++)
766 if (webcam_sizes[i].width == mp->width &&
767 webcam_sizes[i].height == mp->height)
769 dev->webcam_size_idx = i;
770 if (dev->webcam_ival_idx >= 2 * (VIVID_WEBCAM_SIZES - i))
771 dev->webcam_ival_idx = 2 * (VIVID_WEBCAM_SIZES - i) - 1;
772 vivid_update_format_cap(dev, false);
774 struct v4l2_rect r = { 0, 0, mp->width, mp->height };
776 v4l2_rect_set_size_to(compose, &r);
778 v4l2_rect_set_size_to(crop, &r);
781 dev->fmt_cap_rect.width = mp->width;
782 dev->fmt_cap_rect.height = mp->height;
783 tpg_s_buf_height(&dev->tpg, mp->height);
784 tpg_s_fourcc(&dev->tpg, dev->fmt_cap->fourcc);
785 for (p = 0; p < tpg_g_buffers(&dev->tpg); p++)
786 tpg_s_bytesperline(&dev->tpg, p, mp->plane_fmt[p].bytesperline);
787 dev->field_cap = mp->field;
788 if (dev->field_cap == V4L2_FIELD_ALTERNATE)
789 tpg_s_field(&dev->tpg, V4L2_FIELD_TOP, true);
791 tpg_s_field(&dev->tpg, dev->field_cap, false);
792 tpg_s_crop_compose(&dev->tpg, &dev->crop_cap, &dev->compose_cap);
793 if (vivid_is_sdtv_cap(dev))
794 dev->tv_field_cap = mp->field;
795 tpg_update_mv_step(&dev->tpg);
796 dev->tpg.colorspace = mp->colorspace;
797 dev->tpg.xfer_func = mp->xfer_func;
798 if (dev->fmt_cap->color_enc == TGP_COLOR_ENC_YCBCR)
799 dev->tpg.ycbcr_enc = mp->ycbcr_enc;
801 dev->tpg.hsv_enc = mp->hsv_enc;
802 dev->tpg.quantization = mp->quantization;
807 int vidioc_g_fmt_vid_cap_mplane(struct file *file, void *priv,
808 struct v4l2_format *f)
810 struct vivid_dev *dev = video_drvdata(file);
812 if (!dev->multiplanar)
814 return vivid_g_fmt_vid_cap(file, priv, f);
817 int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
818 struct v4l2_format *f)
820 struct vivid_dev *dev = video_drvdata(file);
822 if (!dev->multiplanar)
824 return vivid_try_fmt_vid_cap(file, priv, f);
827 int vidioc_s_fmt_vid_cap_mplane(struct file *file, void *priv,
828 struct v4l2_format *f)
830 struct vivid_dev *dev = video_drvdata(file);
832 if (!dev->multiplanar)
834 return vivid_s_fmt_vid_cap(file, priv, f);
837 int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
838 struct v4l2_format *f)
840 struct vivid_dev *dev = video_drvdata(file);
842 if (dev->multiplanar)
844 return fmt_sp2mp_func(file, priv, f, vivid_g_fmt_vid_cap);
847 int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
848 struct v4l2_format *f)
850 struct vivid_dev *dev = video_drvdata(file);
852 if (dev->multiplanar)
854 return fmt_sp2mp_func(file, priv, f, vivid_try_fmt_vid_cap);
857 int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
858 struct v4l2_format *f)
860 struct vivid_dev *dev = video_drvdata(file);
862 if (dev->multiplanar)
864 return fmt_sp2mp_func(file, priv, f, vivid_s_fmt_vid_cap);
867 int vivid_vid_cap_g_selection(struct file *file, void *priv,
868 struct v4l2_selection *sel)
870 struct vivid_dev *dev = video_drvdata(file);
872 if (!dev->has_crop_cap && !dev->has_compose_cap)
874 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
876 if (vivid_is_webcam(dev))
879 sel->r.left = sel->r.top = 0;
880 switch (sel->target) {
881 case V4L2_SEL_TGT_CROP:
882 if (!dev->has_crop_cap)
884 sel->r = dev->crop_cap;
886 case V4L2_SEL_TGT_CROP_DEFAULT:
887 case V4L2_SEL_TGT_CROP_BOUNDS:
888 if (!dev->has_crop_cap)
890 sel->r = dev->src_rect;
892 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
893 if (!dev->has_compose_cap)
895 sel->r = vivid_max_rect;
897 case V4L2_SEL_TGT_COMPOSE:
898 if (!dev->has_compose_cap)
900 sel->r = dev->compose_cap;
902 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
903 if (!dev->has_compose_cap)
905 sel->r = dev->fmt_cap_rect;
913 int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
915 struct vivid_dev *dev = video_drvdata(file);
916 struct v4l2_rect *crop = &dev->crop_cap;
917 struct v4l2_rect *compose = &dev->compose_cap;
918 unsigned orig_compose_w = compose->width;
919 unsigned orig_compose_h = compose->height;
920 unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_cap) ? 2 : 1;
923 if (!dev->has_crop_cap && !dev->has_compose_cap)
925 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
927 if (vivid_is_webcam(dev))
931 case V4L2_SEL_TGT_CROP:
932 if (!dev->has_crop_cap)
934 ret = vivid_vid_adjust_sel(s->flags, &s->r);
937 v4l2_rect_set_min_size(&s->r, &vivid_min_rect);
938 v4l2_rect_set_max_size(&s->r, &dev->src_rect);
939 v4l2_rect_map_inside(&s->r, &dev->crop_bounds_cap);
941 s->r.height /= factor;
942 if (dev->has_scaler_cap) {
943 struct v4l2_rect fmt = dev->fmt_cap_rect;
944 struct v4l2_rect max_rect = {
946 s->r.width * MAX_ZOOM,
947 s->r.height * MAX_ZOOM
949 struct v4l2_rect min_rect = {
951 s->r.width / MAX_ZOOM,
952 s->r.height / MAX_ZOOM
955 v4l2_rect_set_min_size(&fmt, &min_rect);
956 if (!dev->has_compose_cap)
957 v4l2_rect_set_max_size(&fmt, &max_rect);
958 if (!v4l2_rect_same_size(&dev->fmt_cap_rect, &fmt) &&
959 vb2_is_busy(&dev->vb_vid_cap_q))
961 if (dev->has_compose_cap) {
962 v4l2_rect_set_min_size(compose, &min_rect);
963 v4l2_rect_set_max_size(compose, &max_rect);
964 v4l2_rect_map_inside(compose, &fmt);
966 dev->fmt_cap_rect = fmt;
967 tpg_s_buf_height(&dev->tpg, fmt.height);
968 } else if (dev->has_compose_cap) {
969 struct v4l2_rect fmt = dev->fmt_cap_rect;
971 v4l2_rect_set_min_size(&fmt, &s->r);
972 if (!v4l2_rect_same_size(&dev->fmt_cap_rect, &fmt) &&
973 vb2_is_busy(&dev->vb_vid_cap_q))
975 dev->fmt_cap_rect = fmt;
976 tpg_s_buf_height(&dev->tpg, fmt.height);
977 v4l2_rect_set_size_to(compose, &s->r);
978 v4l2_rect_map_inside(compose, &dev->fmt_cap_rect);
980 if (!v4l2_rect_same_size(&s->r, &dev->fmt_cap_rect) &&
981 vb2_is_busy(&dev->vb_vid_cap_q))
983 v4l2_rect_set_size_to(&dev->fmt_cap_rect, &s->r);
984 v4l2_rect_set_size_to(compose, &s->r);
985 v4l2_rect_map_inside(compose, &dev->fmt_cap_rect);
986 tpg_s_buf_height(&dev->tpg, dev->fmt_cap_rect.height);
989 s->r.height *= factor;
992 case V4L2_SEL_TGT_COMPOSE:
993 if (!dev->has_compose_cap)
995 ret = vivid_vid_adjust_sel(s->flags, &s->r);
998 v4l2_rect_set_min_size(&s->r, &vivid_min_rect);
999 v4l2_rect_set_max_size(&s->r, &dev->fmt_cap_rect);
1000 if (dev->has_scaler_cap) {
1001 struct v4l2_rect max_rect = {
1003 dev->src_rect.width * MAX_ZOOM,
1004 (dev->src_rect.height / factor) * MAX_ZOOM
1007 v4l2_rect_set_max_size(&s->r, &max_rect);
1008 if (dev->has_crop_cap) {
1009 struct v4l2_rect min_rect = {
1011 s->r.width / MAX_ZOOM,
1012 (s->r.height * factor) / MAX_ZOOM
1014 struct v4l2_rect max_rect = {
1016 s->r.width * MAX_ZOOM,
1017 (s->r.height * factor) * MAX_ZOOM
1020 v4l2_rect_set_min_size(crop, &min_rect);
1021 v4l2_rect_set_max_size(crop, &max_rect);
1022 v4l2_rect_map_inside(crop, &dev->crop_bounds_cap);
1024 } else if (dev->has_crop_cap) {
1026 s->r.height *= factor;
1027 v4l2_rect_set_max_size(&s->r, &dev->src_rect);
1028 v4l2_rect_set_size_to(crop, &s->r);
1029 v4l2_rect_map_inside(crop, &dev->crop_bounds_cap);
1031 s->r.height /= factor;
1033 v4l2_rect_set_size_to(&s->r, &dev->src_rect);
1034 s->r.height /= factor;
1036 v4l2_rect_map_inside(&s->r, &dev->fmt_cap_rect);
1043 if (dev->bitmap_cap && (compose->width != orig_compose_w ||
1044 compose->height != orig_compose_h)) {
1045 vfree(dev->bitmap_cap);
1046 dev->bitmap_cap = NULL;
1048 tpg_s_crop_compose(&dev->tpg, crop, compose);
1052 int vivid_vid_cap_g_pixelaspect(struct file *file, void *priv,
1053 int type, struct v4l2_fract *f)
1055 struct vivid_dev *dev = video_drvdata(file);
1057 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1060 switch (vivid_get_pixel_aspect(dev)) {
1061 case TPG_PIXEL_ASPECT_NTSC:
1063 f->denominator = 10;
1065 case TPG_PIXEL_ASPECT_PAL:
1067 f->denominator = 59;
1075 int vidioc_enum_fmt_vid_overlay(struct file *file, void *priv,
1076 struct v4l2_fmtdesc *f)
1078 struct vivid_dev *dev = video_drvdata(file);
1079 const struct vivid_fmt *fmt;
1081 if (dev->multiplanar)
1084 if (f->index >= ARRAY_SIZE(formats_ovl))
1087 fmt = &formats_ovl[f->index];
1089 f->pixelformat = fmt->fourcc;
1093 int vidioc_g_fmt_vid_overlay(struct file *file, void *priv,
1094 struct v4l2_format *f)
1096 struct vivid_dev *dev = video_drvdata(file);
1097 const struct v4l2_rect *compose = &dev->compose_cap;
1098 struct v4l2_window *win = &f->fmt.win;
1099 unsigned clipcount = win->clipcount;
1101 if (dev->multiplanar)
1104 win->w.top = dev->overlay_cap_top;
1105 win->w.left = dev->overlay_cap_left;
1106 win->w.width = compose->width;
1107 win->w.height = compose->height;
1108 win->field = dev->overlay_cap_field;
1109 win->clipcount = dev->clipcount_cap;
1110 if (clipcount > dev->clipcount_cap)
1111 clipcount = dev->clipcount_cap;
1112 if (dev->bitmap_cap == NULL)
1114 else if (win->bitmap) {
1115 if (copy_to_user(win->bitmap, dev->bitmap_cap,
1116 ((compose->width + 7) / 8) * compose->height))
1119 if (clipcount && win->clips) {
1120 if (copy_to_user(win->clips, dev->clips_cap,
1121 clipcount * sizeof(dev->clips_cap[0])))
1127 int vidioc_try_fmt_vid_overlay(struct file *file, void *priv,
1128 struct v4l2_format *f)
1130 struct vivid_dev *dev = video_drvdata(file);
1131 const struct v4l2_rect *compose = &dev->compose_cap;
1132 struct v4l2_window *win = &f->fmt.win;
1135 if (dev->multiplanar)
1138 win->w.left = clamp_t(int, win->w.left,
1139 -dev->fb_cap.fmt.width, dev->fb_cap.fmt.width);
1140 win->w.top = clamp_t(int, win->w.top,
1141 -dev->fb_cap.fmt.height, dev->fb_cap.fmt.height);
1142 win->w.width = compose->width;
1143 win->w.height = compose->height;
1144 if (win->field != V4L2_FIELD_BOTTOM && win->field != V4L2_FIELD_TOP)
1145 win->field = V4L2_FIELD_ANY;
1147 win->global_alpha = 0;
1148 if (win->clipcount && !win->clips)
1150 if (win->clipcount > MAX_CLIPS)
1151 win->clipcount = MAX_CLIPS;
1152 if (win->clipcount) {
1153 if (copy_from_user(dev->try_clips_cap, win->clips,
1154 win->clipcount * sizeof(dev->clips_cap[0])))
1156 for (i = 0; i < win->clipcount; i++) {
1157 struct v4l2_rect *r = &dev->try_clips_cap[i].c;
1159 r->top = clamp_t(s32, r->top, 0, dev->fb_cap.fmt.height - 1);
1160 r->height = clamp_t(s32, r->height, 1, dev->fb_cap.fmt.height - r->top);
1161 r->left = clamp_t(u32, r->left, 0, dev->fb_cap.fmt.width - 1);
1162 r->width = clamp_t(u32, r->width, 1, dev->fb_cap.fmt.width - r->left);
1165 * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small
1166 * number and it's typically a one-time deal.
1168 for (i = 0; i < win->clipcount - 1; i++) {
1169 struct v4l2_rect *r1 = &dev->try_clips_cap[i].c;
1171 for (j = i + 1; j < win->clipcount; j++) {
1172 struct v4l2_rect *r2 = &dev->try_clips_cap[j].c;
1174 if (v4l2_rect_overlap(r1, r2))
1178 if (copy_to_user(win->clips, dev->try_clips_cap,
1179 win->clipcount * sizeof(dev->clips_cap[0])))
1185 int vidioc_s_fmt_vid_overlay(struct file *file, void *priv,
1186 struct v4l2_format *f)
1188 struct vivid_dev *dev = video_drvdata(file);
1189 const struct v4l2_rect *compose = &dev->compose_cap;
1190 struct v4l2_window *win = &f->fmt.win;
1191 int ret = vidioc_try_fmt_vid_overlay(file, priv, f);
1192 unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height;
1193 unsigned clips_size = win->clipcount * sizeof(dev->clips_cap[0]);
1194 void *new_bitmap = NULL;
1200 new_bitmap = vzalloc(bitmap_size);
1202 if (new_bitmap == NULL)
1204 if (copy_from_user(new_bitmap, win->bitmap, bitmap_size)) {
1210 dev->overlay_cap_top = win->w.top;
1211 dev->overlay_cap_left = win->w.left;
1212 dev->overlay_cap_field = win->field;
1213 vfree(dev->bitmap_cap);
1214 dev->bitmap_cap = new_bitmap;
1215 dev->clipcount_cap = win->clipcount;
1216 if (dev->clipcount_cap)
1217 memcpy(dev->clips_cap, dev->try_clips_cap, clips_size);
1221 int vivid_vid_cap_overlay(struct file *file, void *fh, unsigned i)
1223 struct vivid_dev *dev = video_drvdata(file);
1225 if (dev->multiplanar)
1228 if (i && dev->fb_vbase_cap == NULL)
1231 if (i && dev->fb_cap.fmt.pixelformat != dev->fmt_cap->fourcc) {
1232 dprintk(dev, 1, "mismatch between overlay and video capture pixelformats\n");
1236 if (dev->overlay_cap_owner && dev->overlay_cap_owner != fh)
1238 dev->overlay_cap_owner = i ? fh : NULL;
1242 int vivid_vid_cap_g_fbuf(struct file *file, void *fh,
1243 struct v4l2_framebuffer *a)
1245 struct vivid_dev *dev = video_drvdata(file);
1247 if (dev->multiplanar)
1251 a->capability = V4L2_FBUF_CAP_BITMAP_CLIPPING |
1252 V4L2_FBUF_CAP_LIST_CLIPPING;
1253 a->flags = V4L2_FBUF_FLAG_PRIMARY;
1254 a->fmt.field = V4L2_FIELD_NONE;
1255 a->fmt.colorspace = V4L2_COLORSPACE_SRGB;
1260 int vivid_vid_cap_s_fbuf(struct file *file, void *fh,
1261 const struct v4l2_framebuffer *a)
1263 struct vivid_dev *dev = video_drvdata(file);
1264 const struct vivid_fmt *fmt;
1266 if (dev->multiplanar)
1269 if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
1272 if (dev->overlay_cap_owner)
1275 if (a->base == NULL) {
1276 dev->fb_cap.base = NULL;
1277 dev->fb_vbase_cap = NULL;
1281 if (a->fmt.width < 48 || a->fmt.height < 32)
1283 fmt = vivid_get_format(dev, a->fmt.pixelformat);
1284 if (!fmt || !fmt->can_do_overlay)
1286 if (a->fmt.bytesperline < (a->fmt.width * fmt->bit_depth[0]) / 8)
1288 if (a->fmt.bytesperline > a->fmt.sizeimage / a->fmt.height)
1292 * Only support the framebuffer of one of the vivid instances.
1293 * Anything else is rejected.
1295 if (!vivid_validate_fb(a))
1298 dev->fb_vbase_cap = phys_to_virt((unsigned long)a->base);
1300 dev->overlay_cap_left = clamp_t(int, dev->overlay_cap_left,
1301 -dev->fb_cap.fmt.width, dev->fb_cap.fmt.width);
1302 dev->overlay_cap_top = clamp_t(int, dev->overlay_cap_top,
1303 -dev->fb_cap.fmt.height, dev->fb_cap.fmt.height);
1307 static const struct v4l2_audio vivid_audio_inputs[] = {
1308 { 0, "TV", V4L2_AUDCAP_STEREO },
1309 { 1, "Line-In", V4L2_AUDCAP_STEREO },
1312 int vidioc_enum_input(struct file *file, void *priv,
1313 struct v4l2_input *inp)
1315 struct vivid_dev *dev = video_drvdata(file);
1317 if (inp->index >= dev->num_inputs)
1320 inp->type = V4L2_INPUT_TYPE_CAMERA;
1321 switch (dev->input_type[inp->index]) {
1323 snprintf(inp->name, sizeof(inp->name), "Webcam %u",
1324 dev->input_name_counter[inp->index]);
1325 inp->capabilities = 0;
1328 snprintf(inp->name, sizeof(inp->name), "TV %u",
1329 dev->input_name_counter[inp->index]);
1330 inp->type = V4L2_INPUT_TYPE_TUNER;
1331 inp->std = V4L2_STD_ALL;
1332 if (dev->has_audio_inputs)
1333 inp->audioset = (1 << ARRAY_SIZE(vivid_audio_inputs)) - 1;
1334 inp->capabilities = V4L2_IN_CAP_STD;
1337 snprintf(inp->name, sizeof(inp->name), "S-Video %u",
1338 dev->input_name_counter[inp->index]);
1339 inp->std = V4L2_STD_ALL;
1340 if (dev->has_audio_inputs)
1341 inp->audioset = (1 << ARRAY_SIZE(vivid_audio_inputs)) - 1;
1342 inp->capabilities = V4L2_IN_CAP_STD;
1345 snprintf(inp->name, sizeof(inp->name), "HDMI %u",
1346 dev->input_name_counter[inp->index]);
1347 inp->capabilities = V4L2_IN_CAP_DV_TIMINGS;
1348 if (dev->edid_blocks == 0 ||
1349 dev->dv_timings_signal_mode[dev->input] == NO_SIGNAL)
1350 inp->status |= V4L2_IN_ST_NO_SIGNAL;
1351 else if (dev->dv_timings_signal_mode[dev->input] == NO_LOCK ||
1352 dev->dv_timings_signal_mode[dev->input] == OUT_OF_RANGE)
1353 inp->status |= V4L2_IN_ST_NO_H_LOCK;
1356 if (dev->sensor_hflip)
1357 inp->status |= V4L2_IN_ST_HFLIP;
1358 if (dev->sensor_vflip)
1359 inp->status |= V4L2_IN_ST_VFLIP;
1360 if (dev->input == inp->index && vivid_is_sdtv_cap(dev)) {
1361 if (dev->std_signal_mode[dev->input] == NO_SIGNAL) {
1362 inp->status |= V4L2_IN_ST_NO_SIGNAL;
1363 } else if (dev->std_signal_mode[dev->input] == NO_LOCK) {
1364 inp->status |= V4L2_IN_ST_NO_H_LOCK;
1365 } else if (vivid_is_tv_cap(dev)) {
1366 switch (tpg_g_quality(&dev->tpg)) {
1368 inp->status |= V4L2_IN_ST_COLOR_KILL;
1370 case TPG_QUAL_NOISE:
1371 inp->status |= V4L2_IN_ST_NO_H_LOCK;
1381 int vidioc_g_input(struct file *file, void *priv, unsigned *i)
1383 struct vivid_dev *dev = video_drvdata(file);
1389 int vidioc_s_input(struct file *file, void *priv, unsigned i)
1391 struct vivid_dev *dev = video_drvdata(file);
1392 struct v4l2_bt_timings *bt = &dev->dv_timings_cap[dev->input].bt;
1393 unsigned brightness;
1395 if (i >= dev->num_inputs)
1398 if (i == dev->input)
1401 if (vb2_is_busy(&dev->vb_vid_cap_q) ||
1402 vb2_is_busy(&dev->vb_vbi_cap_q) ||
1403 vb2_is_busy(&dev->vb_meta_cap_q))
1407 dev->vid_cap_dev.tvnorms = 0;
1408 if (dev->input_type[i] == TV || dev->input_type[i] == SVID) {
1409 dev->tv_audio_input = (dev->input_type[i] == TV) ? 0 : 1;
1410 dev->vid_cap_dev.tvnorms = V4L2_STD_ALL;
1412 dev->vbi_cap_dev.tvnorms = dev->vid_cap_dev.tvnorms;
1413 dev->meta_cap_dev.tvnorms = dev->vid_cap_dev.tvnorms;
1414 vivid_update_format_cap(dev, false);
1416 if (dev->colorspace) {
1417 switch (dev->input_type[i]) {
1419 v4l2_ctrl_s_ctrl(dev->colorspace, VIVID_CS_SRGB);
1423 v4l2_ctrl_s_ctrl(dev->colorspace, VIVID_CS_170M);
1426 if (bt->flags & V4L2_DV_FL_IS_CE_VIDEO) {
1427 if (dev->src_rect.width == 720 && dev->src_rect.height <= 576)
1428 v4l2_ctrl_s_ctrl(dev->colorspace, VIVID_CS_170M);
1430 v4l2_ctrl_s_ctrl(dev->colorspace, VIVID_CS_709);
1432 v4l2_ctrl_s_ctrl(dev->colorspace, VIVID_CS_SRGB);
1439 * Modify the brightness range depending on the input.
1440 * This makes it easy to use vivid to test if applications can
1441 * handle control range modifications and is also how this is
1442 * typically used in practice as different inputs may be hooked
1443 * up to different receivers with different control ranges.
1445 brightness = 128 * i + dev->input_brightness[i];
1446 v4l2_ctrl_modify_range(dev->brightness,
1447 128 * i, 255 + 128 * i, 1, 128 + 128 * i);
1448 v4l2_ctrl_s_ctrl(dev->brightness, brightness);
1450 /* Restore per-input states. */
1451 v4l2_ctrl_activate(dev->ctrl_dv_timings_signal_mode,
1452 vivid_is_hdmi_cap(dev));
1453 v4l2_ctrl_activate(dev->ctrl_dv_timings, vivid_is_hdmi_cap(dev) &&
1454 dev->dv_timings_signal_mode[dev->input] ==
1455 SELECTED_DV_TIMINGS);
1456 v4l2_ctrl_activate(dev->ctrl_std_signal_mode, vivid_is_sdtv_cap(dev));
1457 v4l2_ctrl_activate(dev->ctrl_standard, vivid_is_sdtv_cap(dev) &&
1458 dev->std_signal_mode[dev->input]);
1460 if (vivid_is_hdmi_cap(dev)) {
1461 v4l2_ctrl_s_ctrl(dev->ctrl_dv_timings_signal_mode,
1462 dev->dv_timings_signal_mode[dev->input]);
1463 v4l2_ctrl_s_ctrl(dev->ctrl_dv_timings,
1464 dev->query_dv_timings[dev->input]);
1465 } else if (vivid_is_sdtv_cap(dev)) {
1466 v4l2_ctrl_s_ctrl(dev->ctrl_std_signal_mode,
1467 dev->std_signal_mode[dev->input]);
1468 v4l2_ctrl_s_ctrl(dev->ctrl_standard,
1469 dev->std_signal_mode[dev->input]);
1475 int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
1477 if (vin->index >= ARRAY_SIZE(vivid_audio_inputs))
1479 *vin = vivid_audio_inputs[vin->index];
1483 int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
1485 struct vivid_dev *dev = video_drvdata(file);
1487 if (!vivid_is_sdtv_cap(dev))
1489 *vin = vivid_audio_inputs[dev->tv_audio_input];
1493 int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *vin)
1495 struct vivid_dev *dev = video_drvdata(file);
1497 if (!vivid_is_sdtv_cap(dev))
1499 if (vin->index >= ARRAY_SIZE(vivid_audio_inputs))
1501 dev->tv_audio_input = vin->index;
1505 int vivid_video_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1507 struct vivid_dev *dev = video_drvdata(file);
1511 vf->frequency = dev->tv_freq;
1515 int vivid_video_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf)
1517 struct vivid_dev *dev = video_drvdata(file);
1521 dev->tv_freq = clamp_t(unsigned, vf->frequency, MIN_TV_FREQ, MAX_TV_FREQ);
1522 if (vivid_is_tv_cap(dev))
1523 vivid_update_quality(dev);
1527 int vivid_video_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt)
1529 struct vivid_dev *dev = video_drvdata(file);
1533 if (vt->audmode > V4L2_TUNER_MODE_LANG1_LANG2)
1535 dev->tv_audmode = vt->audmode;
1539 int vivid_video_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1541 struct vivid_dev *dev = video_drvdata(file);
1542 enum tpg_quality qual;
1547 vt->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
1548 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
1549 vt->audmode = dev->tv_audmode;
1550 vt->rangelow = MIN_TV_FREQ;
1551 vt->rangehigh = MAX_TV_FREQ;
1552 qual = vivid_get_quality(dev, &vt->afc);
1553 if (qual == TPG_QUAL_COLOR)
1554 vt->signal = 0xffff;
1555 else if (qual == TPG_QUAL_GRAY)
1556 vt->signal = 0x8000;
1559 if (qual == TPG_QUAL_NOISE) {
1561 } else if (qual == TPG_QUAL_GRAY) {
1562 vt->rxsubchans = V4L2_TUNER_SUB_MONO;
1564 unsigned int channel_nr = dev->tv_freq / (6 * 16);
1565 unsigned int options =
1566 (dev->std_cap[dev->input] & V4L2_STD_NTSC_M) ? 4 : 3;
1568 switch (channel_nr % options) {
1570 vt->rxsubchans = V4L2_TUNER_SUB_MONO;
1573 vt->rxsubchans = V4L2_TUNER_SUB_STEREO;
1576 if (dev->std_cap[dev->input] & V4L2_STD_NTSC_M)
1577 vt->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_SAP;
1579 vt->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
1582 vt->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_SAP;
1586 strscpy(vt->name, "TV Tuner", sizeof(vt->name));
1590 /* Must remain in sync with the vivid_ctrl_standard_strings array */
1591 const v4l2_std_id vivid_standard[] = {
1596 V4L2_STD_PAL_BG | V4L2_STD_PAL_H,
1603 V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H,
1610 /* Must remain in sync with the vivid_standard array */
1611 const char * const vivid_ctrl_standard_strings[] = {
1630 int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *id)
1632 struct vivid_dev *dev = video_drvdata(file);
1633 unsigned int last = dev->query_std_last[dev->input];
1635 if (!vivid_is_sdtv_cap(dev))
1637 if (dev->std_signal_mode[dev->input] == NO_SIGNAL ||
1638 dev->std_signal_mode[dev->input] == NO_LOCK) {
1639 *id = V4L2_STD_UNKNOWN;
1642 if (vivid_is_tv_cap(dev) && tpg_g_quality(&dev->tpg) == TPG_QUAL_NOISE) {
1643 *id = V4L2_STD_UNKNOWN;
1644 } else if (dev->std_signal_mode[dev->input] == CURRENT_STD) {
1645 *id = dev->std_cap[dev->input];
1646 } else if (dev->std_signal_mode[dev->input] == SELECTED_STD) {
1647 *id = dev->query_std[dev->input];
1649 *id = vivid_standard[last];
1650 dev->query_std_last[dev->input] =
1651 (last + 1) % ARRAY_SIZE(vivid_standard);
1657 int vivid_vid_cap_s_std(struct file *file, void *priv, v4l2_std_id id)
1659 struct vivid_dev *dev = video_drvdata(file);
1661 if (!vivid_is_sdtv_cap(dev))
1663 if (dev->std_cap[dev->input] == id)
1665 if (vb2_is_busy(&dev->vb_vid_cap_q) || vb2_is_busy(&dev->vb_vbi_cap_q))
1667 dev->std_cap[dev->input] = id;
1668 vivid_update_format_cap(dev, false);
1672 static void find_aspect_ratio(u32 width, u32 height,
1673 u32 *num, u32 *denom)
1675 if (!(height % 3) && ((height * 4 / 3) == width)) {
1678 } else if (!(height % 9) && ((height * 16 / 9) == width)) {
1681 } else if (!(height % 10) && ((height * 16 / 10) == width)) {
1684 } else if (!(height % 4) && ((height * 5 / 4) == width)) {
1687 } else if (!(height % 9) && ((height * 15 / 9) == width)) {
1690 } else { /* default to 16:9 */
1696 static bool valid_cvt_gtf_timings(struct v4l2_dv_timings *timings)
1698 struct v4l2_bt_timings *bt = &timings->bt;
1703 if (!v4l2_valid_dv_timings(timings, &vivid_dv_timings_cap,
1707 total_h_pixel = V4L2_DV_BT_FRAME_WIDTH(bt);
1708 total_v_lines = V4L2_DV_BT_FRAME_HEIGHT(bt);
1710 h_freq = (u32)bt->pixelclock / total_h_pixel;
1712 if (bt->standards == 0 || (bt->standards & V4L2_DV_BT_STD_CVT)) {
1713 if (v4l2_detect_cvt(total_v_lines, h_freq, bt->vsync, bt->width,
1714 bt->polarities, bt->interlaced, timings))
1718 if (bt->standards == 0 || (bt->standards & V4L2_DV_BT_STD_GTF)) {
1719 struct v4l2_fract aspect_ratio;
1721 find_aspect_ratio(bt->width, bt->height,
1722 &aspect_ratio.numerator,
1723 &aspect_ratio.denominator);
1724 if (v4l2_detect_gtf(total_v_lines, h_freq, bt->vsync,
1725 bt->polarities, bt->interlaced,
1726 aspect_ratio, timings))
1732 int vivid_vid_cap_s_dv_timings(struct file *file, void *_fh,
1733 struct v4l2_dv_timings *timings)
1735 struct vivid_dev *dev = video_drvdata(file);
1737 if (!vivid_is_hdmi_cap(dev))
1739 if (!v4l2_find_dv_timings_cap(timings, &vivid_dv_timings_cap,
1741 !valid_cvt_gtf_timings(timings))
1744 if (v4l2_match_dv_timings(timings, &dev->dv_timings_cap[dev->input],
1747 if (vb2_is_busy(&dev->vb_vid_cap_q))
1750 dev->dv_timings_cap[dev->input] = *timings;
1751 vivid_update_format_cap(dev, false);
1755 int vidioc_query_dv_timings(struct file *file, void *_fh,
1756 struct v4l2_dv_timings *timings)
1758 struct vivid_dev *dev = video_drvdata(file);
1759 unsigned int input = dev->input;
1760 unsigned int last = dev->query_dv_timings_last[input];
1762 if (!vivid_is_hdmi_cap(dev))
1764 if (dev->dv_timings_signal_mode[input] == NO_SIGNAL ||
1765 dev->edid_blocks == 0)
1767 if (dev->dv_timings_signal_mode[input] == NO_LOCK)
1769 if (dev->dv_timings_signal_mode[input] == OUT_OF_RANGE) {
1770 timings->bt.pixelclock = vivid_dv_timings_cap.bt.max_pixelclock * 2;
1773 if (dev->dv_timings_signal_mode[input] == CURRENT_DV_TIMINGS) {
1774 *timings = dev->dv_timings_cap[input];
1775 } else if (dev->dv_timings_signal_mode[input] ==
1776 SELECTED_DV_TIMINGS) {
1778 v4l2_dv_timings_presets[dev->query_dv_timings[input]];
1781 v4l2_dv_timings_presets[last];
1782 dev->query_dv_timings_last[input] =
1783 (last + 1) % dev->query_dv_timings_size;
1788 int vidioc_s_edid(struct file *file, void *_fh,
1789 struct v4l2_edid *edid)
1791 struct vivid_dev *dev = video_drvdata(file);
1793 u32 display_present = 0;
1797 memset(edid->reserved, 0, sizeof(edid->reserved));
1798 if (edid->pad >= dev->num_inputs)
1800 if (dev->input_type[edid->pad] != HDMI || edid->start_block)
1802 if (edid->blocks == 0) {
1803 dev->edid_blocks = 0;
1804 v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0);
1805 v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0);
1806 phys_addr = CEC_PHYS_ADDR_INVALID;
1809 if (edid->blocks > dev->edid_max_blocks) {
1810 edid->blocks = dev->edid_max_blocks;
1813 phys_addr = cec_get_edid_phys_addr(edid->edid, edid->blocks * 128, NULL);
1814 ret = v4l2_phys_addr_validate(phys_addr, &phys_addr, NULL);
1818 if (vb2_is_busy(&dev->vb_vid_cap_q))
1821 dev->edid_blocks = edid->blocks;
1822 memcpy(dev->edid, edid->edid, edid->blocks * 128);
1824 for (i = 0, j = 0; i < dev->num_outputs; i++)
1825 if (dev->output_type[i] == HDMI)
1827 dev->display_present[i] << j++;
1829 v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present);
1830 v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present);
1833 /* TODO: a proper hotplug detect cycle should be emulated here */
1834 cec_s_phys_addr(dev->cec_rx_adap, phys_addr, false);
1836 for (i = 0; i < MAX_OUTPUTS && dev->cec_tx_adap[i]; i++)
1837 cec_s_phys_addr(dev->cec_tx_adap[i],
1838 dev->display_present[i] ?
1839 v4l2_phys_addr_for_input(phys_addr, i + 1) :
1840 CEC_PHYS_ADDR_INVALID,
1845 int vidioc_enum_framesizes(struct file *file, void *fh,
1846 struct v4l2_frmsizeenum *fsize)
1848 struct vivid_dev *dev = video_drvdata(file);
1850 if (!vivid_is_webcam(dev) && !dev->has_scaler_cap)
1852 if (vivid_get_format(dev, fsize->pixel_format) == NULL)
1854 if (vivid_is_webcam(dev)) {
1855 if (fsize->index >= ARRAY_SIZE(webcam_sizes))
1857 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
1858 fsize->discrete = webcam_sizes[fsize->index];
1863 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
1864 fsize->stepwise.min_width = MIN_WIDTH;
1865 fsize->stepwise.max_width = MAX_WIDTH * MAX_ZOOM;
1866 fsize->stepwise.step_width = 2;
1867 fsize->stepwise.min_height = MIN_HEIGHT;
1868 fsize->stepwise.max_height = MAX_HEIGHT * MAX_ZOOM;
1869 fsize->stepwise.step_height = 2;
1873 /* timeperframe is arbitrary and continuous */
1874 int vidioc_enum_frameintervals(struct file *file, void *priv,
1875 struct v4l2_frmivalenum *fival)
1877 struct vivid_dev *dev = video_drvdata(file);
1878 const struct vivid_fmt *fmt;
1881 fmt = vivid_get_format(dev, fival->pixel_format);
1885 if (!vivid_is_webcam(dev)) {
1888 if (fival->width < MIN_WIDTH || fival->width > MAX_WIDTH * MAX_ZOOM)
1890 if (fival->height < MIN_HEIGHT || fival->height > MAX_HEIGHT * MAX_ZOOM)
1892 fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
1893 fival->discrete = dev->timeperframe_vid_cap;
1897 for (i = 0; i < ARRAY_SIZE(webcam_sizes); i++)
1898 if (fival->width == webcam_sizes[i].width &&
1899 fival->height == webcam_sizes[i].height)
1901 if (i == ARRAY_SIZE(webcam_sizes))
1903 if (fival->index >= 2 * (VIVID_WEBCAM_SIZES - i))
1905 fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
1906 fival->discrete = webcam_intervals[fival->index];
1910 int vivid_vid_cap_g_parm(struct file *file, void *priv,
1911 struct v4l2_streamparm *parm)
1913 struct vivid_dev *dev = video_drvdata(file);
1915 if (parm->type != (dev->multiplanar ?
1916 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE :
1917 V4L2_BUF_TYPE_VIDEO_CAPTURE))
1920 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
1921 parm->parm.capture.timeperframe = dev->timeperframe_vid_cap;
1922 parm->parm.capture.readbuffers = 1;
1926 int vivid_vid_cap_s_parm(struct file *file, void *priv,
1927 struct v4l2_streamparm *parm)
1929 struct vivid_dev *dev = video_drvdata(file);
1930 unsigned ival_sz = 2 * (VIVID_WEBCAM_SIZES - dev->webcam_size_idx);
1931 struct v4l2_fract tpf;
1934 if (parm->type != (dev->multiplanar ?
1935 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE :
1936 V4L2_BUF_TYPE_VIDEO_CAPTURE))
1938 if (!vivid_is_webcam(dev))
1939 return vivid_vid_cap_g_parm(file, priv, parm);
1941 tpf = parm->parm.capture.timeperframe;
1943 if (tpf.denominator == 0)
1944 tpf = webcam_intervals[ival_sz - 1];
1945 for (i = 0; i < ival_sz; i++)
1946 if (V4L2_FRACT_COMPARE(tpf, >=, webcam_intervals[i]))
1950 dev->webcam_ival_idx = i;
1951 tpf = webcam_intervals[dev->webcam_ival_idx];
1953 /* resync the thread's timings */
1954 dev->cap_seq_resync = true;
1955 dev->timeperframe_vid_cap = tpf;
1956 parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
1957 parm->parm.capture.timeperframe = tpf;
1958 parm->parm.capture.readbuffers = 1;