Messages in this thread Patch in this message | | | From | Mauro Carvalho Chehab <> | Subject | [PATCH 3/3] media: atomisp: implement enum framesize/frameinterval | Date | Thu, 11 Nov 2021 17:27:58 +0000 |
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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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