media: i2c: imx214: Add sensor's pixel matrix size

Set effective and active sensor pixel sizes as shown in product
brief[1].

[1]: https://www.mouser.com/datasheet/2/897/ProductBrief_IMX214_20150428-1289331.pdf

Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: André Apitzsch <git@apitzsch.eu>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 6f492728b0d5f146bf7314db09db0c3c61a5925e..00595a09e723313778155c4c3c6124888f0fa2e7 100644 (file)
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -36,6 +36,14 @@
 #define IMX214_EXPOSURE_STEP           1
 #define IMX214_EXPOSURE_DEFAULT                3184
 
+/* IMX214 native and active pixel array size */
+#define IMX214_NATIVE_WIDTH            4224U
+#define IMX214_NATIVE_HEIGHT           3136U
+#define IMX214_PIXEL_ARRAY_LEFT                8U
+#define IMX214_PIXEL_ARRAY_TOP         8U
+#define IMX214_PIXEL_ARRAY_WIDTH       4208U
+#define IMX214_PIXEL_ARRAY_HEIGHT      3120U
+
 static const char * const imx214_supply_name[] = {
        "vdda",
        "vddd",
@@ -634,14 +642,31 @@ static int imx214_get_selection(struct v4l2_subdev *sd,
 {
        struct imx214 *imx214 = to_imx214(sd);
 
-       if (sel->target != V4L2_SEL_TGT_CROP)
-               return -EINVAL;
+       switch (sel->target) {
+       case V4L2_SEL_TGT_CROP:
+               mutex_lock(&imx214->mutex);
+               sel->r = *__imx214_get_pad_crop(imx214, sd_state, sel->pad,
+                                               sel->which);
+               mutex_unlock(&imx214->mutex);
+               return 0;
 
-       mutex_lock(&imx214->mutex);
-       sel->r = *__imx214_get_pad_crop(imx214, sd_state, sel->pad,
-                                       sel->which);
-       mutex_unlock(&imx214->mutex);
-       return 0;
+       case V4L2_SEL_TGT_NATIVE_SIZE:
+               sel->r.top = 0;
+               sel->r.left = 0;
+               sel->r.width = IMX214_NATIVE_WIDTH;
+               sel->r.height = IMX214_NATIVE_HEIGHT;
+               return 0;
+
+       case V4L2_SEL_TGT_CROP_DEFAULT:
+       case V4L2_SEL_TGT_CROP_BOUNDS:
+               sel->r.top = IMX214_PIXEL_ARRAY_TOP;
+               sel->r.left = IMX214_PIXEL_ARRAY_LEFT;
+               sel->r.width = IMX214_PIXEL_ARRAY_WIDTH;
+               sel->r.height = IMX214_PIXEL_ARRAY_HEIGHT;
+               return 0;
+       }
+
+       return -EINVAL;
 }
 
 static int imx214_entity_init_state(struct v4l2_subdev *subdev,