#define REG_CONFIG_MIRROR_VFLIP 0x02
#define REG_CONFIG_FLIP_TEST_PATTERN 0x02
+/* IMX258 native and active pixel array size. */
+#define IMX258_NATIVE_WIDTH 4224U
+#define IMX258_NATIVE_HEIGHT 3192U
+#define IMX258_PIXEL_ARRAY_LEFT 8U
+#define IMX258_PIXEL_ARRAY_TOP 16U
+#define IMX258_PIXEL_ARRAY_WIDTH 4208U
+#define IMX258_PIXEL_ARRAY_HEIGHT 3120U
+
struct imx258_reg {
u16 address;
u8 val;
u32 link_freq_index;
/* Default register values */
struct imx258_reg_list reg_list;
+
+ /* Analog crop rectangle. */
+ struct v4l2_rect crop;
};
/* 4208x3120 needs 1267Mbps/lane, 4 lanes. Use that rate on 2 lanes as well */
.regs = mode_4208x3120_regs,
},
.link_freq_index = IMX258_LINK_FREQ_1267MBPS,
+ .crop = {
+ .left = IMX258_PIXEL_ARRAY_LEFT,
+ .top = IMX258_PIXEL_ARRAY_TOP,
+ .width = 4208,
+ .height = 3120,
+ },
},
{
.width = 2104,
.regs = mode_2104_1560_regs,
},
.link_freq_index = IMX258_LINK_FREQ_640MBPS,
+ .crop = {
+ .left = IMX258_PIXEL_ARRAY_LEFT,
+ .top = IMX258_PIXEL_ARRAY_TOP,
+ .width = 4208,
+ .height = 3120,
+ },
},
{
.width = 1048,
.regs = mode_1048_780_regs,
},
.link_freq_index = IMX258_LINK_FREQ_640MBPS,
+ .crop = {
+ .left = IMX258_PIXEL_ARRAY_LEFT,
+ .top = IMX258_PIXEL_ARRAY_TOP,
+ .width = 4208,
+ .height = 3120,
+ },
},
};
struct imx258 *imx258 = to_imx258(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->state, 0);
+ struct v4l2_rect *try_crop;
/* Initialize try_fmt */
try_fmt->width = supported_modes[0].width;
try_fmt->code = imx258_get_format_code(imx258);
try_fmt->field = V4L2_FIELD_NONE;
+ /* Initialize try_crop */
+ try_crop = v4l2_subdev_get_try_crop(sd, fh->state, 0);
+ try_crop->left = IMX258_PIXEL_ARRAY_LEFT;
+ try_crop->top = IMX258_PIXEL_ARRAY_TOP;
+ try_crop->width = IMX258_PIXEL_ARRAY_WIDTH;
+ try_crop->height = IMX258_PIXEL_ARRAY_HEIGHT;
+
return 0;
}
return 0;
}
+static const struct v4l2_rect *
+__imx258_get_pad_crop(struct imx258 *imx258,
+ 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(&imx258->sd, sd_state, pad);
+ case V4L2_SUBDEV_FORMAT_ACTIVE:
+ return &imx258->cur_mode->crop;
+ }
+
+ return NULL;
+}
+
+static int imx258_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 imx258 *imx258 = to_imx258(sd);
+
+ mutex_lock(&imx258->mutex);
+ sel->r = *__imx258_get_pad_crop(imx258, sd_state, sel->pad,
+ sel->which);
+ mutex_unlock(&imx258->mutex);
+
+ return 0;
+ }
+
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ sel->r.left = 0;
+ sel->r.top = 0;
+ sel->r.width = IMX258_NATIVE_WIDTH;
+ sel->r.height = IMX258_NATIVE_HEIGHT;
+
+ return 0;
+
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.left = IMX258_PIXEL_ARRAY_LEFT;
+ sel->r.top = IMX258_PIXEL_ARRAY_TOP;
+ sel->r.width = IMX258_PIXEL_ARRAY_WIDTH;
+ sel->r.height = IMX258_PIXEL_ARRAY_HEIGHT;
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
/* Start streaming */
static int imx258_start_streaming(struct imx258 *imx258)
{
.get_fmt = imx258_get_pad_format,
.set_fmt = imx258_set_pad_format,
.enum_frame_size = imx258_enum_frame_size,
+ .get_selection = imx258_get_selection,
};
static const struct v4l2_subdev_ops imx258_subdev_ops = {