@@ -66,6 +66,17 @@
#define OV9282_PIXEL_RATE (OV9282_LINK_FREQ * 2 * \
OV9282_NUM_DATA_LANES / 10)
+/*
+ * OV9282 native and active pixel array size.
+ * 8 dummy rows/columns on each edge of a 1280x800 active array
+ */
+#define OV9282_NATIVE_WIDTH 1296U
+#define OV9282_NATIVE_HEIGHT 816U
+#define OV9282_PIXEL_ARRAY_LEFT 8U
+#define OV9282_PIXEL_ARRAY_TOP 8U
+#define OV9282_PIXEL_ARRAY_WIDTH 1280U
+#define OV9282_PIXEL_ARRAY_HEIGHT 800U
+
#define OV9282_REG_MIN 0x00
#define OV9282_REG_MAX 0xfffff
@@ -109,6 +120,7 @@ struct ov9282_mode {
u32 vblank_min;
u32 vblank_max;
u32 link_freq_idx;
+ struct v4l2_rect crop;
struct ov9282_reg_list reg_list;
};
@@ -280,6 +292,16 @@ static const struct ov9282_mode supported_modes[] = {
.vblank_min = 41,
.vblank_max = 51540,
.link_freq_idx = 0,
+ .crop = {
+ /*
+ * Note that this mode takes the top 720 lines from the
+ * 800 of the sensor. It does not take a middle crop.
+ */
+ .left = OV9282_PIXEL_ARRAY_LEFT,
+ .top = OV9282_PIXEL_ARRAY_TOP,
+ .width = 1280,
+ .height = 720
+ },
.reg_list = {
.num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
.regs = mode_1280x720_regs,
@@ -720,6 +742,58 @@ static int ov9282_init_pad_cfg(struct v4l2_subdev *sd,
return ov9282_set_pad_format(sd, sd_state, &fmt);
}
+static const struct v4l2_rect *
+__ov9282_get_pad_crop(struct ov9282 *ov9282,
+ struct v4l2_subdev_state *sd_state,
+ unsigned int pad, enum v4l2_subdev_format_whence which)
+{
+ switch (which) {
+ case V4L2_SUBDEV_FORMAT_TRY:
+ return v4l2_subdev_get_try_crop(&ov9282->sd, sd_state, pad);
+ case V4L2_SUBDEV_FORMAT_ACTIVE:
+ return &ov9282->cur_mode->crop;
+ }
+
+ return NULL;
+}
+
+static int ov9282_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_selection *sel)
+{
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP: {
+ struct ov9282 *ov9282 = to_ov9282(sd);
+
+ mutex_lock(&ov9282->mutex);
+ sel->r = *__ov9282_get_pad_crop(ov9282, sd_state, sel->pad,
+ sel->which);
+ mutex_unlock(&ov9282->mutex);
+
+ return 0;
+ }
+
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ sel->r.top = 0;
+ sel->r.left = 0;
+ sel->r.width = OV9282_NATIVE_WIDTH;
+ sel->r.height = OV9282_NATIVE_HEIGHT;
+
+ return 0;
+
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.top = OV9282_PIXEL_ARRAY_TOP;
+ sel->r.left = OV9282_PIXEL_ARRAY_LEFT;
+ sel->r.width = OV9282_PIXEL_ARRAY_WIDTH;
+ sel->r.height = OV9282_PIXEL_ARRAY_HEIGHT;
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
/**
* ov9282_start_streaming() - Start sensor stream
* @ov9282: pointer to ov9282 device
@@ -938,6 +1012,7 @@ static const struct v4l2_subdev_pad_ops ov9282_pad_ops = {
.enum_frame_size = ov9282_enum_frame_size,
.get_fmt = ov9282_get_pad_format,
.set_fmt = ov9282_set_pad_format,
+ .get_selection = ov9282_get_selection,
};
static const struct v4l2_subdev_ops ov9282_subdev_ops = {