Пример #1
0
static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f)
{
	struct fimc_dev *fimc = ctx->fimc_dev;
	struct fimc_variant *variant = fimc->variant;
	struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
	struct fimc_fmt *fmt;
	u32 max_w, mod_x, mod_y;

	if (!IS_M2M(f->type))
		return -EINVAL;

	dbg("w: %d, h: %d", pix->width, pix->height);

	fmt = fimc_find_format(&pix->pixelformat, NULL,
			       get_m2m_fmt_flags(f->type), 0);
	if (WARN(fmt == NULL, "Pixel format lookup failed"))
		return -EINVAL;

	if (pix->field == V4L2_FIELD_ANY)
		pix->field = V4L2_FIELD_NONE;
	else if (pix->field != V4L2_FIELD_NONE)
		return -EINVAL;

	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		max_w = variant->pix_limit->scaler_dis_w;
		mod_x = ffs(variant->min_inp_pixsize) - 1;
	} else {
		max_w = variant->pix_limit->out_rot_dis_w;
		mod_x = ffs(variant->min_out_pixsize) - 1;
	}

	if (tiled_fmt(fmt)) {
		mod_x = 6; /* 64 x 32 pixels tile */
		mod_y = 5;
	} else {
		if (variant->min_vsize_align == 1)
			mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1;
		else
			mod_y = ffs(variant->min_vsize_align) - 1;
	}

	v4l_bound_align_image(&pix->width, 16, max_w, mod_x,
		&pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);

	fimc_adjust_mplane_format(fmt, pix->width, pix->height, &f->fmt.pix_mp);
	return 0;
}
Пример #2
0
static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
				   struct v4l2_format *f)
{
	struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
	struct fimc_dev *fimc = video_drvdata(file);
	struct fimc_ctx *ctx = fimc->vid_cap.ctx;
	struct v4l2_mbus_framefmt mf;
	struct fimc_fmt *ffmt = NULL;

	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
		return -EINVAL;

	if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
		fimc_capture_try_format(ctx, &pix->width, &pix->height,
					NULL, &pix->pixelformat,
					FIMC_SD_PAD_SINK);
		ctx->s_frame.f_width  = pix->width;
		ctx->s_frame.f_height = pix->height;
	}
	ffmt = fimc_capture_try_format(ctx, &pix->width, &pix->height,
				       NULL, &pix->pixelformat,
				       FIMC_SD_PAD_SOURCE);
	if (!ffmt)
		return -EINVAL;

	if (!fimc->vid_cap.user_subdev_api) {
		mf.width  = pix->width;
		mf.height = pix->height;
		mf.code   = ffmt->mbus_code;
		fimc_md_graph_lock(fimc);
		fimc_pipeline_try_format(ctx, &mf, &ffmt, false);
		fimc_md_graph_unlock(fimc);

		pix->width	 = mf.width;
		pix->height	 = mf.height;
		if (ffmt)
			pix->pixelformat = ffmt->fourcc;
	}

	fimc_adjust_mplane_format(ffmt, pix->width, pix->height, pix);
	return 0;
}
Пример #3
0
static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f)
{
	struct fimc_ctx *ctx = fimc->vid_cap.ctx;
	struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
	struct v4l2_mbus_framefmt *mf = &fimc->vid_cap.mf;
	struct fimc_frame *ff = &ctx->d_frame;
	struct fimc_fmt *s_fmt = NULL;
	int ret, i;

	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
		return -EINVAL;
	if (vb2_is_busy(&fimc->vid_cap.vbq))
		return -EBUSY;

	/* Pre-configure format at camera interface input, for JPEG only */
	if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
		fimc_capture_try_format(ctx, &pix->width, &pix->height,
					NULL, &pix->pixelformat,
					FIMC_SD_PAD_SINK);
		ctx->s_frame.f_width  = pix->width;
		ctx->s_frame.f_height = pix->height;
	}
	/* Try the format at the scaler and the DMA output */
	ff->fmt = fimc_capture_try_format(ctx, &pix->width, &pix->height,
					  NULL, &pix->pixelformat,
					  FIMC_SD_PAD_SOURCE);
	if (!ff->fmt)
		return -EINVAL;

	/* Update RGB Alpha control state and value range */
	fimc_alpha_ctrl_update(ctx);

	/* Try to match format at the host and the sensor */
	if (!fimc->vid_cap.user_subdev_api) {
		mf->code   = ff->fmt->mbus_code;
		mf->width  = pix->width;
		mf->height = pix->height;

		fimc_md_graph_lock(fimc);
		ret = fimc_pipeline_try_format(ctx, mf, &s_fmt, true);
		fimc_md_graph_unlock(fimc);
		if (ret)
			return ret;
		pix->width  = mf->width;
		pix->height = mf->height;
	}
	fimc_adjust_mplane_format(ff->fmt, pix->width, pix->height, pix);
	for (i = 0; i < ff->fmt->colplanes; i++)
		ff->payload[i] =
			(pix->width * pix->height * ff->fmt->depth[i]) / 8;

	set_frame_bounds(ff, pix->width, pix->height);
	/* Reset the composition rectangle if not yet configured */
	if (!(ctx->state & FIMC_DST_CROP))
		set_frame_crop(ff, 0, 0, pix->width, pix->height);

	fimc_capture_mark_jpeg_xfer(ctx, fimc_fmt_is_jpeg(ff->fmt->color));

	/* Reset cropping and set format at the camera interface input */
	if (!fimc->vid_cap.user_subdev_api) {
		ctx->s_frame.fmt = s_fmt;
		set_frame_bounds(&ctx->s_frame, pix->width, pix->height);
		set_frame_crop(&ctx->s_frame, 0, 0, pix->width, pix->height);
	}

	return ret;
}