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path: root/drivers/media/video/tw9910.c
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Diffstat (limited to 'drivers/media/video/tw9910.c')
-rw-r--r--drivers/media/video/tw9910.c120
1 files changed, 86 insertions, 34 deletions
diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c
index 94bd5b09f05..fbf4130dfc5 100644
--- a/drivers/media/video/tw9910.c
+++ b/drivers/media/video/tw9910.c
@@ -715,8 +715,88 @@ tw9910_set_fmt_error:
return ret;
}
+static int tw9910_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
+{
+ struct i2c_client *client = sd->priv;
+ struct tw9910_priv *priv = to_tw9910(client);
+
+ if (!priv->scale) {
+ int ret;
+ struct v4l2_crop crop = {
+ .c = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ };
+ ret = tw9910_s_crop(sd, &crop);
+ if (ret < 0)
+ return ret;
+ }
+
+ a->c.left = 0;
+ a->c.top = 0;
+ a->c.width = priv->scale->width;
+ a->c.height = priv->scale->height;
+ a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
+ return 0;
+}
+
+static int tw9910_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
+{
+ a->bounds.left = 0;
+ a->bounds.top = 0;
+ a->bounds.width = 768;
+ a->bounds.height = 576;
+ a->defrect.left = 0;
+ a->defrect.top = 0;
+ a->defrect.width = 640;
+ a->defrect.height = 480;
+ a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ a->pixelaspect.numerator = 1;
+ a->pixelaspect.denominator = 1;
+
+ return 0;
+}
+
+static int tw9910_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+{
+ struct i2c_client *client = sd->priv;
+ struct tw9910_priv *priv = to_tw9910(client);
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+
+ if (!priv->scale) {
+ int ret;
+ struct v4l2_crop crop = {
+ .c = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ };
+ ret = tw9910_s_crop(sd, &crop);
+ if (ret < 0)
+ return ret;
+ }
+
+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
+ pix->width = priv->scale->width;
+ pix->height = priv->scale->height;
+ pix->pixelformat = V4L2_PIX_FMT_VYUY;
+ pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
+ pix->field = V4L2_FIELD_INTERLACED;
+
+ return 0;
+}
+
static int tw9910_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
{
+ struct i2c_client *client = sd->priv;
+ struct tw9910_priv *priv = to_tw9910(client);
struct v4l2_pix_format *pix = &f->fmt.pix;
/* See tw9910_s_crop() - no proper cropping support */
struct v4l2_crop a = {
@@ -741,8 +821,8 @@ static int tw9910_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
ret = tw9910_s_crop(sd, &a);
if (!ret) {
- pix->width = a.c.width;
- pix->height = a.c.height;
+ pix->width = priv->scale->width;
+ pix->height = priv->scale->height;
}
return ret;
}
@@ -838,8 +918,11 @@ static struct v4l2_subdev_core_ops tw9910_subdev_core_ops = {
static struct v4l2_subdev_video_ops tw9910_subdev_video_ops = {
.s_stream = tw9910_s_stream,
+ .g_fmt = tw9910_g_fmt,
.s_fmt = tw9910_s_fmt,
.try_fmt = tw9910_try_fmt,
+ .cropcap = tw9910_cropcap,
+ .g_crop = tw9910_g_crop,
.s_crop = tw9910_s_crop,
};
@@ -852,20 +935,6 @@ static struct v4l2_subdev_ops tw9910_subdev_ops = {
* i2c_driver function
*/
-/* This is called during probe, so, setting rect_max is Ok here: scale == 1 */
-static void limit_to_scale(struct soc_camera_device *icd,
- const struct tw9910_scale_ctrl *scale)
-{
- if (scale->width > icd->rect_max.width)
- icd->rect_max.width = scale->width;
- if (scale->width < icd->width_min)
- icd->width_min = scale->width;
- if (scale->height > icd->rect_max.height)
- icd->rect_max.height = scale->height;
- if (scale->height < icd->height_min)
- icd->height_min = scale->height;
-}
-
static int tw9910_probe(struct i2c_client *client,
const struct i2c_device_id *did)
@@ -876,8 +945,7 @@ static int tw9910_probe(struct i2c_client *client,
struct i2c_adapter *adapter =
to_i2c_adapter(client->dev.parent);
struct soc_camera_link *icl;
- const struct tw9910_scale_ctrl *scale;
- int i, ret;
+ int ret;
if (!icd) {
dev_err(&client->dev, "TW9910: missing soc-camera data!\n");
@@ -908,22 +976,6 @@ static int tw9910_probe(struct i2c_client *client,
icd->ops = &tw9910_ops;
icd->iface = info->link.bus_id;
- /*
- * set width and height
- */
- icd->rect_max.width = tw9910_ntsc_scales[0].width; /* set default */
- icd->width_min = tw9910_ntsc_scales[0].width;
- icd->rect_max.height = tw9910_ntsc_scales[0].height;
- icd->height_min = tw9910_ntsc_scales[0].height;
-
- scale = tw9910_ntsc_scales;
- for (i = 0; i < ARRAY_SIZE(tw9910_ntsc_scales); i++)
- limit_to_scale(icd, scale + i);
-
- scale = tw9910_pal_scales;
- for (i = 0; i < ARRAY_SIZE(tw9910_pal_scales); i++)
- limit_to_scale(icd, scale + i);
-
ret = tw9910_video_probe(icd, client);
if (ret) {
icd->ops = NULL;