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;
}
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();
}
}
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;
}
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;
}