diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0338-media-bcm2835-unicam-Add-support-for-enum-framesizes.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0338-media-bcm2835-unicam-Add-support-for-enum-framesizes.patch | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0338-media-bcm2835-unicam-Add-support-for-enum-framesizes.patch b/target/linux/brcm2708/patches-4.19/950-0338-media-bcm2835-unicam-Add-support-for-enum-framesizes.patch new file mode 100644 index 0000000000..c1686f55cd --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0338-media-bcm2835-unicam-Add-support-for-enum-framesizes.patch @@ -0,0 +1,133 @@ +From 7c876909bc0a6d23124689d5fca89657a4fcb5a5 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.org> +Date: Tue, 5 Mar 2019 15:43:27 +0000 +Subject: [PATCH] media: bcm2835-unicam: Add support for enum + framesizes and frameintervals + +vidioc_enum_framesizes and vidioc_enum_frameintervals weren't implemented, +therefore clients couldn't enumerate the supported resolutions. + +Implement them by forwarding on to the sensor driver. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> +--- + .../media/platform/bcm2835/bcm2835-unicam.c | 94 +++++++++++++++++++ + 1 file changed, 94 insertions(+) + +--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c ++++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c +@@ -1406,6 +1406,84 @@ static int unicam_g_edid(struct file *fi + return v4l2_subdev_call(dev->sensor, pad, get_edid, edid); + } + ++static int unicam_enum_framesizes(struct file *file, void *priv, ++ struct v4l2_frmsizeenum *fsize) ++{ ++ struct unicam_device *dev = video_drvdata(file); ++ const struct unicam_fmt *fmt; ++ struct v4l2_subdev_frame_size_enum fse; ++ int ret; ++ ++ /* check for valid format */ ++ fmt = find_format_by_pix(dev, fsize->pixel_format); ++ if (!fmt) { ++ unicam_dbg(3, dev, "Invalid pixel code: %x\n", ++ fsize->pixel_format); ++ return -EINVAL; ++ } ++ ++ fse.index = fsize->index; ++ fse.pad = 0; ++ fse.code = fmt->code; ++ ++ ret = v4l2_subdev_call(dev->sensor, pad, enum_frame_size, NULL, &fse); ++ if (ret) ++ return ret; ++ ++ unicam_dbg(1, dev, "%s: index: %d code: %x W:[%d,%d] H:[%d,%d]\n", ++ __func__, fse.index, fse.code, fse.min_width, fse.max_width, ++ fse.min_height, fse.max_height); ++ ++ fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; ++ fsize->discrete.width = fse.max_width; ++ fsize->discrete.height = fse.max_height; ++ ++ return 0; ++} ++ ++static int unicam_enum_frameintervals(struct file *file, void *priv, ++ struct v4l2_frmivalenum *fival) ++{ ++ struct unicam_device *dev = video_drvdata(file); ++ const struct unicam_fmt *fmt; ++ struct v4l2_subdev_frame_interval_enum fie = { ++ .index = fival->index, ++ .width = fival->width, ++ .height = fival->height, ++ .which = V4L2_SUBDEV_FORMAT_ACTIVE, ++ }; ++ int ret; ++ ++ fmt = find_format_by_pix(dev, fival->pixel_format); ++ if (!fmt) ++ return -EINVAL; ++ ++ fie.code = fmt->code; ++ ret = v4l2_subdev_call(dev->sensor, pad, enum_frame_interval, ++ NULL, &fie); ++ if (ret) ++ return ret; ++ ++ fival->type = V4L2_FRMIVAL_TYPE_DISCRETE; ++ fival->discrete = fie.interval; ++ ++ return 0; ++} ++ ++static int unicam_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) ++{ ++ struct unicam_device *dev = video_drvdata(file); ++ ++ return v4l2_g_parm_cap(video_devdata(file), dev->sensor, a); ++} ++ ++static int unicam_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) ++{ ++ struct unicam_device *dev = video_drvdata(file); ++ ++ return v4l2_s_parm_cap(video_devdata(file), dev->sensor, a); ++} ++ + static int unicam_g_dv_timings(struct file *file, void *priv, + struct v4l2_dv_timings *timings) + { +@@ -1613,6 +1691,12 @@ static const struct v4l2_ioctl_ops unica + .vidioc_g_edid = unicam_g_edid, + .vidioc_s_edid = unicam_s_edid, + ++ .vidioc_enum_framesizes = unicam_enum_framesizes, ++ .vidioc_enum_frameintervals = unicam_enum_frameintervals, ++ ++ .vidioc_g_parm = unicam_g_parm, ++ .vidioc_s_parm = unicam_s_parm, ++ + .vidioc_s_dv_timings = unicam_s_dv_timings, + .vidioc_g_dv_timings = unicam_g_dv_timings, + .vidioc_query_dv_timings = unicam_query_dv_timings, +@@ -1850,6 +1934,16 @@ static int unicam_probe_complete(struct + v4l2_disable_ioctl(&unicam->video_dev, VIDIOC_ENUM_DV_TIMINGS); + v4l2_disable_ioctl(&unicam->video_dev, VIDIOC_QUERY_DV_TIMINGS); + } ++ if (!v4l2_subdev_has_op(unicam->sensor, pad, enum_frame_interval)) ++ v4l2_disable_ioctl(&unicam->video_dev, ++ VIDIOC_ENUM_FRAMEINTERVALS); ++ if (!v4l2_subdev_has_op(unicam->sensor, video, g_frame_interval)) ++ v4l2_disable_ioctl(&unicam->video_dev, VIDIOC_G_PARM); ++ if (!v4l2_subdev_has_op(unicam->sensor, video, s_frame_interval)) ++ v4l2_disable_ioctl(&unicam->video_dev, VIDIOC_S_PARM); ++ ++ if (!v4l2_subdev_has_op(unicam->sensor, pad, enum_frame_size)) ++ v4l2_disable_ioctl(&unicam->video_dev, VIDIOC_ENUM_FRAMESIZES); + + ret = v4l2_device_register_subdev_nodes(&unicam->v4l2_dev); + if (ret) { |