[PATCH v2 3/3] media: rkisp1: Implement ENUM_FRAMESIZES

Paul Elder
2022-11-17T08:46:41Z

Implement VIDIOC_ENUM_FRAMESIZES for the rkisp1 capture devices.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
.../platform/rockchip/rkisp1/rkisp1-capture.c | 30 +++++++++++++++++++
1 file changed, 30 insertions(+)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
index 91e685fdbbe9..03c2922bfbed 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
@@ -1236,6 +1236,35 @@ static int rkisp1_enum_fmt_vid_cap_mplane(struct file *file, void *priv,
return -EINVAL;
}

+static int rkisp1_enum_framesizes(struct file *file, void *fh,
+ struct v4l2_frmsizeenum *fsize)
+{
+ static const unsigned int max_widths[] = {
+ RKISP1_RSZ_MP_SRC_MAX_WIDTH,
+ RKISP1_RSZ_SP_SRC_MAX_WIDTH,
+ };
+ static const unsigned int max_heights[] = {
+ RKISP1_RSZ_MP_SRC_MAX_HEIGHT,
+ RKISP1_RSZ_SP_SRC_MAX_HEIGHT,
+ };
+ struct rkisp1_capture *cap = video_drvdata(file);
+
+ if (fsize->index != 0)
+ return -EINVAL;
+
+ fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+
+ fsize->stepwise.min_width = RKISP1_RSZ_SRC_MIN_WIDTH;
+ fsize->stepwise.max_width = max_widths[cap->id];
+ fsize->stepwise.step_width = 2;
+
+ fsize->stepwise.min_height = RKISP1_RSZ_SRC_MIN_HEIGHT;
+ fsize->stepwise.max_height = max_heights[cap->id];
+ fsize->stepwise.step_height = 2;
+
+ return 0;
+}
+
static int rkisp1_s_fmt_vid_cap_mplane(struct file *file,
void *priv, struct v4l2_format *f)
{
@@ -1285,6 +1314,7 @@ static const struct v4l2_ioctl_ops rkisp1_v4l2_ioctl_ops = {
.vidioc_s_fmt_vid_cap_mplane = rkisp1_s_fmt_vid_cap_mplane,
.vidioc_g_fmt_vid_cap_mplane = rkisp1_g_fmt_vid_cap_mplane,
.vidioc_enum_fmt_vid_cap = rkisp1_enum_fmt_vid_cap_mplane,
+ .vidioc_enum_framesizes = rkisp1_enum_framesizes,
.vidioc_querycap = rkisp1_querycap,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
--
2.35.1