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Subject[PATCH 3/3] media: atomisp: implement enum framesize/frameinterval
Date
Add logic to enumerate sensor's frame size and interval.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---

See [PATCH 0/3] at: https://lore.kernel.org/all/cover.1636651027.git.mchehab+huawei@kernel.org/

.../staging/media/atomisp/pci/atomisp_ioctl.c | 53 +++++++++++++++++++
1 file changed, 53 insertions(+)

diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index 2fb64d5cbead..b2d3b8349234 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -766,6 +766,57 @@ static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
return ret;
}

+static int atomisp_enum_framesizes(struct file *file, void *priv,
+ struct v4l2_frmsizeenum *fsize)
+{
+ struct video_device *vdev = video_devdata(file);
+ struct atomisp_device *isp = video_get_drvdata(vdev);
+ struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
+ struct v4l2_subdev_frame_size_enum fse = {
+ .index = fsize->index,
+ .which = V4L2_SUBDEV_FORMAT_ACTIVE,
+ };
+ int ret;
+
+ ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
+ pad, enum_frame_size, NULL, &fse);
+ if (ret)
+ return ret;
+
+ fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+ fsize->discrete.width = fse.max_width - pad_w;
+ fsize->discrete.height = fse.max_height - pad_h;
+
+ return 0;
+}
+
+static int atomisp_enum_frameintervals(struct file *file, void *priv,
+ struct v4l2_frmivalenum *fival)
+{
+ struct video_device *vdev = video_devdata(file);
+ struct atomisp_device *isp = video_get_drvdata(vdev);
+ struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
+ struct v4l2_subdev_frame_interval_enum fie = {
+ .code = atomisp_in_fmt_conv[0].code,
+ .index = fival->index,
+ .width = fival->width,
+ .height = fival->height,
+ .which = V4L2_SUBDEV_FORMAT_ACTIVE,
+ };
+ int ret;
+
+ ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
+ pad, enum_frame_interval, NULL,
+ &fie);
+ if (ret)
+ return ret;
+
+ fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
+ fival->discrete = fie.interval;
+
+ return ret;
+}
+
static int atomisp_enum_fmt_cap(struct file *file, void *fh,
struct v4l2_fmtdesc *f)
{
@@ -3214,6 +3265,8 @@ const struct v4l2_ioctl_ops atomisp_ioctl_ops = {
.vidioc_g_ctrl = atomisp_g_ctrl,
.vidioc_s_ext_ctrls = atomisp_s_ext_ctrls,
.vidioc_g_ext_ctrls = atomisp_g_ext_ctrls,
+ .vidioc_enum_framesizes = atomisp_enum_framesizes,
+ .vidioc_enum_frameintervals = atomisp_enum_frameintervals,
.vidioc_enum_fmt_vid_cap = atomisp_enum_fmt_cap,
.vidioc_try_fmt_vid_cap = atomisp_try_fmt_cap,
.vidioc_g_fmt_vid_cap = atomisp_g_fmt_cap,
--
2.33.1
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