Example #1
0
static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh,
				 struct v4l2_format *f)
{
	struct fimc_ctx *ctx = fh_to_ctx(fh);
	struct fimc_dev *fimc = ctx->fimc_dev;
	struct vb2_queue *vq;
	struct fimc_frame *frame;
	struct v4l2_pix_format_mplane *pix;
	int i, ret = 0;

	ret = fimc_try_fmt_mplane(ctx, f);
	if (ret)
		return ret;

	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);

	if (vb2_is_busy(vq)) {
		v4l2_err(fimc->m2m.vfd, "queue (%d) busy\n", f->type);
		return -EBUSY;
	}

	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
		frame = &ctx->s_frame;
	else
		frame = &ctx->d_frame;

	pix = &f->fmt.pix_mp;
	frame->fmt = fimc_find_format(&pix->pixelformat, NULL,
				      get_m2m_fmt_flags(f->type), 0);
	if (!frame->fmt)
		return -EINVAL;

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

	for (i = 0; i < frame->fmt->colplanes; i++) {
		frame->payload[i] =
			(pix->width * pix->height * frame->fmt->depth[i]) / 8;
	}

	fimc_fill_frame(frame, f);

	ctx->scaler.enabled = 1;

	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
		fimc_ctx_state_set(FIMC_PARAMS | FIMC_DST_FMT, ctx);
	else
		fimc_ctx_state_set(FIMC_PARAMS | FIMC_SRC_FMT, ctx);

	dbg("f_w: %d, f_h: %d", frame->f_width, frame->f_height);

	return 0;
}
Example #2
0
static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh,
                                 struct v4l2_format *f)
{
    struct fimc_ctx *ctx = fh_to_ctx(fh);
    struct fimc_dev *fimc = ctx->fimc_dev;
    struct fimc_fmt *fmt;
    struct vb2_queue *vq;
    struct fimc_frame *frame;
    int ret;

    ret = fimc_try_fmt_mplane(ctx, f);
    if (ret)
        return ret;

    vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);

    if (vb2_is_busy(vq)) {
        v4l2_err(&fimc->m2m.vfd, "queue (%d) busy\n", f->type);
        return -EBUSY;
    }

    if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
        frame = &ctx->s_frame;
    else
        frame = &ctx->d_frame;

    fmt = fimc_find_format(&f->fmt.pix_mp.pixelformat, NULL,
                           get_m2m_fmt_flags(f->type), 0);
    if (!fmt)
        return -EINVAL;

    __set_frame_format(frame, fmt, &f->fmt.pix_mp);

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

    return 0;
}
Example #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;
}