Esempio n. 1
0
static int client_scale(struct soc_camera_device *icd, struct v4l2_rect *rect,
			struct v4l2_rect *sub_rect, struct v4l2_rect *ceu_rect,
			struct v4l2_format *f, bool ceu_can_scale)
{
	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
	struct sh_mobile_ceu_cam *cam = icd->host_priv;
	struct device *dev = icd->dev.parent;
	struct v4l2_format f_tmp = *f;
	struct v4l2_pix_format *pix_tmp = &f_tmp.fmt.pix;
	unsigned int scale_h, scale_v;
	int ret;

	
	ret = client_s_fmt(icd, &f_tmp, ceu_can_scale);
	if (ret < 0)
		return ret;

	dev_geo(dev, "5: camera scaled to %ux%u\n",
		pix_tmp->width, pix_tmp->height);

	

	

	
	ret = get_camera_scales(sd, rect, &scale_h, &scale_v);
	if (ret < 0)
		return ret;

	dev_geo(dev, "7: camera scales %u:%u\n", scale_h, scale_v);

	cam->cam_width		= pix_tmp->width;
	cam->cam_height		= pix_tmp->height;
	f->fmt.pix.width	= pix_tmp->width;
	f->fmt.pix.height	= pix_tmp->height;

	
	ceu_rect->left = scale_down(sub_rect->left, scale_h);
	ceu_rect->width = scale_down(sub_rect->width, scale_h);
	ceu_rect->top = scale_down(sub_rect->top, scale_v);
	ceu_rect->height = scale_down(sub_rect->height, scale_v);

	dev_geo(dev, "8: new CEU rect %ux%u@%u:%u\n",
		ceu_rect->width, ceu_rect->height,
		ceu_rect->left, ceu_rect->top);

	return 0;
}
Esempio n. 2
0
void nvhost_scale3d_set_throughput_hint(int hint)
{
	if (!scale3d.enable)
		return;

	if (!scale3d.p_use_throughput_hint)
		return;

	scale3d.last_throughput_hint = ktime_get();

	if (scale3d.p_use_throughput_hint) {
		if (hint >= scale3d.p_throughput_hi_limit)
			scale_down();
		else if (hint <= scale3d.p_throughput_lo_limit)
			scale_up();
	}
}
Esempio n. 3
0
static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
				 struct v4l2_format *f)
{
	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
	struct sh_mobile_ceu_dev *pcdev = ici->priv;
	struct sh_mobile_ceu_cam *cam = icd->host_priv;
	struct v4l2_pix_format *pix = &f->fmt.pix;
	struct v4l2_format cam_f = *f;
	struct v4l2_pix_format *cam_pix = &cam_f.fmt.pix;
	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
	struct device *dev = icd->dev.parent;
	__u32 pixfmt = pix->pixelformat;
	const struct soc_camera_format_xlate *xlate;
	struct v4l2_crop cam_crop;
	struct v4l2_rect *cam_rect = &cam_crop.c, cam_subrect, ceu_rect;
	unsigned int scale_cam_h, scale_cam_v;
	u16 scale_v, scale_h;
	int ret;
	bool is_interlaced, image_mode;

	switch (pix->field) {
	case V4L2_FIELD_INTERLACED:
		is_interlaced = true;
		break;
	case V4L2_FIELD_ANY:
	default:
		pix->field = V4L2_FIELD_NONE;
		
	case V4L2_FIELD_NONE:
		is_interlaced = false;
		break;
	}

	xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
	if (!xlate) {
		dev_warn(dev, "Format %x not found\n", pixfmt);
		return -EINVAL;
	}

	
	cam_crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

	ret = client_g_rect(sd, cam_rect);
	if (ret < 0)
		return ret;

	ret = get_camera_scales(sd, cam_rect, &scale_cam_h, &scale_cam_v);
	if (ret < 0)
		return ret;

	dev_geo(dev, "1: camera scales %u:%u\n", scale_cam_h, scale_cam_v);

	
	ret = get_camera_subwin(icd, &cam_subrect, scale_cam_h, scale_cam_v);
	if (ret < 0)
		return ret;

	dev_geo(dev, "2: subwin %ux%u@%u:%u\n",
		cam_subrect.width, cam_subrect.height,
		cam_subrect.left, cam_subrect.top);

	
	scale_h = calc_generic_scale(cam_subrect.width, pix->width);
	scale_v = calc_generic_scale(cam_subrect.height, pix->height);

	dev_geo(dev, "3: scales %u:%u\n", scale_h, scale_v);

	
	cam_pix->width = scale_down(cam_rect->width, scale_h);
	cam_pix->height = scale_down(cam_rect->height, scale_v);
	cam_pix->pixelformat = xlate->cam_fmt->fourcc;

	switch (pixfmt) {
	case V4L2_PIX_FMT_NV12:
	case V4L2_PIX_FMT_NV21:
	case V4L2_PIX_FMT_NV16:
	case V4L2_PIX_FMT_NV61:
		image_mode = true;
		break;
	default:
		image_mode = false;
	}

	dev_geo(dev, "4: camera output %ux%u\n",
		cam_pix->width, cam_pix->height);

	
	ret = client_scale(icd, cam_rect, &cam_subrect, &ceu_rect, &cam_f,
			   image_mode && !is_interlaced);

	dev_geo(dev, "5-9: client scale %d\n", ret);

	

	dev_dbg(dev, "Camera %d fmt %ux%u, requested %ux%u\n",
		ret, cam_pix->width, cam_pix->height, pix->width, pix->height);
	if (ret < 0)
		return ret;

	

	
	if (pix->width > cam_pix->width)
		pix->width = cam_pix->width;
	if (pix->width > ceu_rect.width)
		pix->width = ceu_rect.width;

	if (pix->height > cam_pix->height)
		pix->height = cam_pix->height;
	if (pix->height > ceu_rect.height)
		pix->height = ceu_rect.height;

	
	scale_h = calc_scale(ceu_rect.width, &pix->width);
	scale_v = calc_scale(ceu_rect.height, &pix->height);

	dev_geo(dev, "10: W: %u : 0x%x = %u, H: %u : 0x%x = %u\n",
		ceu_rect.width, scale_h, pix->width,
		ceu_rect.height, scale_v, pix->height);

	pcdev->cflcr = scale_h | (scale_v << 16);

	icd->buswidth = xlate->buswidth;
	icd->current_fmt = xlate->host_fmt;
	cam->camera_fmt = xlate->cam_fmt;
	cam->ceu_rect = ceu_rect;

	pcdev->is_interlaced = is_interlaced;
	pcdev->image_mode = image_mode;

	return 0;
}
Esempio n. 4
0
static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
				  struct v4l2_crop *a)
{
	struct v4l2_rect *rect = &a->c;
	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
	struct sh_mobile_ceu_dev *pcdev = ici->priv;
	struct v4l2_crop cam_crop;
	struct sh_mobile_ceu_cam *cam = icd->host_priv;
	struct v4l2_rect *cam_rect = &cam_crop.c, *ceu_rect = &cam->ceu_rect;
	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
	struct device *dev = icd->dev.parent;
	struct v4l2_format f;
	struct v4l2_pix_format *pix = &f.fmt.pix;
	unsigned int scale_comb_h, scale_comb_v, scale_ceu_h, scale_ceu_v,
		out_width, out_height;
	u32 capsr, cflcr;
	int ret;

	
	ret = get_scales(icd, &scale_comb_h, &scale_comb_v);
	if (ret < 0)
		return ret;

	dev_geo(dev, "1: combined scales %u:%u\n", scale_comb_h, scale_comb_v);

	
	ret = client_s_crop(sd, a, &cam_crop);
	if (ret < 0)
		return ret;

	dev_geo(dev, "2: camera cropped to %ux%u@%u:%u\n",
		cam_rect->width, cam_rect->height,
		cam_rect->left, cam_rect->top);

	

	
	out_width	= scale_down(rect->width, scale_comb_h);
	out_height	= scale_down(rect->height, scale_comb_v);

	if (out_width > 2560)
		out_width = 2560;
	else if (out_width < 2)
		out_width = 2;

	if (out_height > 1920)
		out_height = 1920;
	else if (out_height < 4)
		out_height = 4;

	dev_geo(dev, "3: Adjusted output %ux%u\n", out_width, out_height);

	

	
	pix->width		= scale_down(cam_rect->width, scale_comb_h);
	pix->height		= scale_down(cam_rect->height, scale_comb_v);

	dev_geo(dev, "5: camera target %ux%u\n", pix->width, pix->height);

	
	pix->pixelformat	= cam->camera_fmt->fourcc;
	pix->colorspace		= cam->camera_fmt->colorspace;

	capsr = capture_save_reset(pcdev);
	dev_dbg(dev, "CAPSR 0x%x, CFLCR 0x%x\n", capsr, pcdev->cflcr);

	
	rect->left		-= cam_rect->left;
	rect->top		-= cam_rect->top;

	f.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

	ret = client_scale(icd, cam_rect, rect, ceu_rect, &f,
			   pcdev->image_mode && !pcdev->is_interlaced);

	dev_geo(dev, "6-9: %d\n", ret);

	
	sh_mobile_ceu_set_rect(icd, out_width, out_height);

	dev_geo(dev, "10: CEU cropped to %ux%u@%u:%u\n",
		ceu_rect->width, ceu_rect->height,
		ceu_rect->left, ceu_rect->top);

	
	scale_ceu_h = calc_scale(ceu_rect->width, &out_width);
	scale_ceu_v = calc_scale(ceu_rect->height, &out_height);

	dev_geo(dev, "11: CEU scales %u:%u\n", scale_ceu_h, scale_ceu_v);

	
	cflcr = scale_ceu_h | (scale_ceu_v << 16);
	if (cflcr != pcdev->cflcr) {
		pcdev->cflcr = cflcr;
		ceu_write(pcdev, CFLCR, cflcr);
	}

	
	if (pcdev->active)
		capsr |= 1;
	capture_restore(pcdev, capsr);

	icd->user_width = out_width;
	icd->user_height = out_height;

	
	return ret;
}