From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
To: linux-media@vger.kernel.org, sakari.ailus@linux.intel.com,
Jacopo Mondi <jacopo+renesas@jmondi.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
niklas.soderlund+renesas@ragnatech.se,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Pratyush Yadav <p.yadav@ti.com>,
Kishon Vijay Abraham <kishon@ti.com>,
satish.nagireddy@getcruise.com, Tomasz Figa <tfiga@chromium.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Subject: [PATCH v13 18/34] media: add V4L2_SUBDEV_CAP_STREAMS
Date: Wed, 10 Aug 2022 15:11:06 +0300 [thread overview]
Message-ID: <20220810121122.3149086-19-tomi.valkeinen@ideasonboard.com> (raw)
In-Reply-To: <20220810121122.3149086-1-tomi.valkeinen@ideasonboard.com>
Add a subdev capability flag to expose to userspace if a subdev supports
multiplexed streams.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
drivers/media/v4l2-core/v4l2-subdev.c | 4 +++-
include/uapi/linux/v4l2-subdev.h | 3 +++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index 5c27bac772ea..90826b956693 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -439,7 +439,9 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg,
memset(cap->reserved, 0, sizeof(cap->reserved));
cap->version = LINUX_VERSION_CODE;
- cap->capabilities = ro_subdev ? V4L2_SUBDEV_CAP_RO_SUBDEV : 0;
+ cap->capabilities =
+ (ro_subdev ? V4L2_SUBDEV_CAP_RO_SUBDEV : 0) |
+ ((sd->flags & V4L2_SUBDEV_FL_STREAMS) ? V4L2_SUBDEV_CAP_STREAMS : 0);
return 0;
}
diff --git a/include/uapi/linux/v4l2-subdev.h b/include/uapi/linux/v4l2-subdev.h
index 658106f5b5dc..89af27f50a41 100644
--- a/include/uapi/linux/v4l2-subdev.h
+++ b/include/uapi/linux/v4l2-subdev.h
@@ -188,6 +188,9 @@ struct v4l2_subdev_capability {
/* The v4l2 sub-device video device node is registered in read-only mode. */
#define V4L2_SUBDEV_CAP_RO_SUBDEV 0x00000001
+/* The v4l2 sub-device supports routing and multiplexed streams. */
+#define V4L2_SUBDEV_CAP_STREAMS 0x00000002
+
/* Backwards compatibility define --- to be removed */
#define v4l2_subdev_edid v4l2_edid
--
2.34.1
next prev parent reply other threads:[~2022-08-10 12:12 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-10 12:10 [PATCH v13 00/34] v4l: routing and streams support Tomi Valkeinen
2022-08-10 12:10 ` [PATCH v13 01/34] media: Documentation: mc: add definitions for stream and pipeline Tomi Valkeinen
2022-08-29 15:51 ` Laurent Pinchart
2022-08-10 12:10 ` [PATCH v13 02/34] media: media-entity.h: add include for min() Tomi Valkeinen
2022-08-29 16:06 ` Laurent Pinchart
2022-08-10 12:10 ` [PATCH v13 03/34] media: subdev: increase V4L2_FRAME_DESC_ENTRY_MAX to 8 Tomi Valkeinen
2022-08-10 12:10 ` [PATCH v13 04/34] media: mc: entity: Rename streaming_count -> start_count Tomi Valkeinen
2022-08-29 16:08 ` Laurent Pinchart
2022-08-10 12:10 ` [PATCH v13 05/34] media: mc: entity: Add iterator helper for entity pads Tomi Valkeinen
2022-08-10 12:10 ` [PATCH v13 06/34] media: mc: entity: Merge media_entity_enum_init and __media_entity_enum_init Tomi Valkeinen
2022-08-10 12:10 ` [PATCH v13 07/34] media: mc: entity: Move media_entity_get_fwnode_pad() out of graph walk section Tomi Valkeinen
2022-08-10 12:10 ` [PATCH v13 08/34] media: mc: entity: Add media_entity_pipeline() to access the media pipeline Tomi Valkeinen
2022-08-10 12:10 ` [PATCH v13 09/34] media: v4l2-dev: Add videodev wrappers for media pipelines Tomi Valkeinen
2022-08-29 16:34 ` Laurent Pinchart
2022-08-30 10:58 ` Tomi Valkeinen
2022-08-10 12:10 ` [PATCH v13 10/34] media: drivers: use video device pipeline start/stop Tomi Valkeinen
2022-08-29 16:41 ` Laurent Pinchart
2022-08-10 12:10 ` [PATCH v13 11/34] media: drivers: use video_device_pipeline() Tomi Valkeinen
2022-08-29 16:48 ` Laurent Pinchart
2022-08-10 12:11 ` [PATCH v13 12/34] media: mc: entity: add alloc variant of pipeline_start Tomi Valkeinen
2022-08-29 16:57 ` Laurent Pinchart
2022-08-30 11:08 ` Tomi Valkeinen
2022-08-30 11:42 ` Laurent Pinchart
2022-08-10 12:11 ` [PATCH v13 13/34] media: drivers: use video_device_pipeline_alloc_start() Tomi Valkeinen
2022-08-29 17:00 ` Laurent Pinchart
2022-08-30 11:20 ` Tomi Valkeinen
2022-08-30 11:46 ` Laurent Pinchart
2022-08-10 12:11 ` [PATCH v13 14/34] media: mc: entity: Rewrite media_pipeline_start() Tomi Valkeinen
2022-08-29 17:18 ` Laurent Pinchart
2022-08-30 11:44 ` Tomi Valkeinen
2022-08-30 12:40 ` Tomi Valkeinen
2022-09-06 8:48 ` Laurent Pinchart
2022-09-06 9:22 ` Tomi Valkeinen
2022-08-31 14:21 ` Tomi Valkeinen
2022-09-06 8:44 ` Laurent Pinchart
2022-09-06 9:19 ` Tomi Valkeinen
2022-09-06 12:58 ` Sakari Ailus
2022-09-06 13:51 ` Laurent Pinchart
2022-08-10 12:11 ` [PATCH v13 15/34] media: mc: entity: Add has_pad_interdep entity operation Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 16/34] media: mc: convert pipeline funcs to take media_pad Tomi Valkeinen
2022-08-29 17:21 ` Laurent Pinchart
2022-08-30 12:05 ` Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 17/34] media: add V4L2_SUBDEV_FL_STREAMS Tomi Valkeinen
2022-08-10 12:11 ` Tomi Valkeinen [this message]
2022-08-10 12:11 ` [PATCH v13 19/34] media: Documentation: Add GS_ROUTING documentation Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 20/34] media: subdev: Add [GS]_ROUTING subdev ioctls and operations Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 21/34] media: subdev: add v4l2_subdev_has_pad_interdep() Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 22/34] media: subdev: add v4l2_subdev_set_routing helper() Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 23/34] media: subdev: Add for_each_active_route() macro Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 24/34] media: Documentation: add multiplexed streams documentation Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 25/34] media: subdev: add stream based configuration Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 26/34] media: subdev: use streams in v4l2_subdev_link_validate() Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 27/34] media: subdev: add "opposite" stream helper funcs Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 28/34] media: subdev: add streams to v4l2_subdev_get_fmt() helper function Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 29/34] media: subdev: add v4l2_subdev_set_routing_with_fmt() helper Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 30/34] media: subdev: add v4l2_subdev_routing_validate() helper Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 31/34] media: v4l2-subdev: Add v4l2_subdev_state_xlate_streams() helper Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 32/34] media: v4l2-subdev: Add subdev .(enable|disable)_streams() operations Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 33/34] media: v4l2-subdev: Add v4l2_subdev_s_stream_helper() function Tomi Valkeinen
2022-08-10 12:11 ` [PATCH v13 34/34] media: Add stream to frame descriptor Tomi Valkeinen
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