Age | Commit message (Collapse) | Author |
|
When ioctl debugging is turned on, the v4l_printk_ioctl() is used
to log the ioctl that is called. It uses an array of ioctl information
to log the ioctl name and it correctly checks for out-of-bound indexing
of that array. However, the array may have holes since not all ioctl
numbers are used. In that case the name of the ioctl is NULL.
It is harmless (printk handles NULL pointers), but not intended. Instead
use the v4l2_is_known_ioctl() function to determine if the ioctl
information is available or not.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Use one of the struct v4l2_create_buffers reserved bytes to report
the maximum possible number of buffers for the queue.
V4l2 framework set V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS flags in queue
capabilities so userland can know when the field is valid.
Does the same change in v4l2_create_buffers32 structure.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Add HEXTILE compressed format which is defined in Remote Framebuffer
Protocol (RFC 6143, chapter 7.7.4 Hextile Encoding) and is used by
Encoding Compression Engine (ECE) present on Nuvoton NPCM SoCs.
Signed-off-by: Marvin Lin <milkfafa@gmail.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
|
|
Define one uncompressed capture format V4L2_PIX_FMT_MT2110R in order to
support 10bit for H264 in mt8195.
Signed-off-by: Mingjia Zhang <mingjia.zhang@mediatek.com>
Co-developed-by: Yunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
|
|
Define one uncompressed capture format V4L2_PIX_FMT_MT2110T in order to
support 10bit for AV1/VP9/HEVC in mt8195.
Signed-off-by: Mingjia Zhang <mingjia.zhang@mediatek.com>
Co-developed-by: Yunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
|
|
NV15_4L4 is the 10-bits per component 4x4 tiled format.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
This patch adds the AOMedia Video 1 (AV1) kernel uAPI.
This design is based on currently available AV1 API implementations and
aims to support the development of AV1 stateless video codecs
on Linux.
Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com>
Co-developed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
ABGR64_12 is a reversed RGB format with alpha channel last,
12 bits per component like ABGR32,
expanded to 16bits.
Data in the 12 high bits, zeros in the 4 low bits,
arranged in little endian order.
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
BGR48_12 is a reversed RGB format with 12 bits per component like BGR24,
expanded to 16bits.
Data in the 12 high bits, zeros in the 4 low bits,
arranged in little endian order.
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
YUV48_12 is a YUV format with 12-bits per component like YUV24,
expanded to 16bits.
Data in the 12 high bits, zeros in the 4 low bits,
arranged in little endian order.
[hverkuil: replaced a . by ,]
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Y012 is a luma-only formats with 12-bits per pixel,
expanded to 16bits.
Data in the 12 high bits, zeros in the 4 low bits,
arranged in little endian order.
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
P012 is a YUV format with 12-bits per component with interleaved UV,
like NV12, expanded to 16 bits.
Data in the 12 high bits, zeros in the 4 low bits,
arranged in little endian order.
And P012M has two non contiguous planes.
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
RealVideo, or also spelled as Real Video, is a suite of proprietary
video compression formats developed by RealNetworks -
the specific format changes with the version.
RealVideo codecs are identified by four-character codes.
RV30 and RV40 are RealNetworks' proprietary H.264-based codecs.
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Sorenson Spark is an implementation of H.263 for use
in Flash Video and Adobe Flash files.
Sorenson Spark is an incomplete implementation of H.263.
It differs mostly in header structure and ranges of the coefficients.
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Make sure this field is always 0 since destructive overlays
are no longer supported.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
There are no longer any drivers that support clipping and bitmap
support for the capture or output overlay interfaces, so drop
this.
Always set the bitmap, clips and clipcount fields to 0, and
remove the compat32 support.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Removal of several VB1-only deprecated drivers: cpia2, fsl-viu, meye,
stkwebcam, tm6000, vpfe_capture and zr364xx
- saa7146 recovered from staging/deprecated. We opted to give ti a
chance, and, instead of deprecating it, the intention is to write
patches migrating it from VB1 to VB2.
- av7110 returned from staging/deprecated/ to staging/ as we're not
planning on dropping it any time soon
- media controller API has gained experimental support for G_ROUTING
and streams API. No drivers use it right now. We're planning to add
one after -rc1, giving some time to experience the API and eventually
have changes during the next development cycle
- New sensor drivers: imx296, imx415, ov8858
- Atomisp had lots of changes, specially on its sensor's interface,
making atomisp sensor drivers closer to normal sensor drivers
- media controller kAPI has gained some helpers to traverse pipelines
- uvcvideo now better support power line control
- lots of bug fixes, cleanups and driver improvements
* tag 'media/v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (296 commits)
media: imx-mipi-csis: Check csis_fmt validity before use
media: v4l2-subdev.c: clear stream field
media: v4l2-ctrls-api.c: move ctrl->is_new = 1 to the correct line
media: Revert "media: saa7146: deprecate hexium_gemini/orion, mxb and ttpci"
media: Revert "media: av7110: move to staging/media/deprecated/saa7146"
media: imx-pxp: convert to regmap
media: imx-pxp: Use non-threaded IRQ
media: imx-pxp: Introduce pxp_read() and pxp_write() wrappers
media: imx-pxp: Implement frame size enumeration
media: imx-pxp: Pass pixel format value to find_format()
media: imx-pxp: Add media controller support
media: imx-pxp: Don't set bus_info manually in .querycap()
media: imx-pxp: Sort headers alphabetically
media: imx-pxp: add support for i.MX7D
media: imx-pxp: make data_path_ctrl0 platform dependent
media: imx-pxp: disable LUT block
media: imx-pxp: explicitly disable unused blocks
media: imx-pxp: extract helper function to setup data path
media: imx-pxp: detect PXP version
media: dt-bindings: media: fsl-pxp: convert to yaml
...
|
|
Add support for subdev internal routing. A route is defined as a single
stream from a sink pad to a source pad.
The userspace can configure the routing via two new ioctls,
VIDIOC_SUBDEV_G_ROUTING and VIDIOC_SUBDEV_S_ROUTING, and subdevs can
implement the functionality with v4l2_subdev_pad_ops.set_routing().
- Add sink and source streams for multiplexed links
- Copy the argument back in case of an error. This is needed to let the
caller know the number of routes.
- Expand and refine documentation.
- Make the 'routes' pointer a __u64 __user pointer so that a compat32
version of the ioctl is not required.
- Add struct v4l2_subdev_krouting to be used for subdevice operations.
- Fix typecasing warnings
- Check sink & source pad types
- Add 'which' field
- Routing to subdev state
- Dropped get_routing subdev op
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Add Y210, Y212 and Y216 formats.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
|
|
Add RGBX1010102, RGBA1010102 and ARGB2101010 formats.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
|
|
add contiguous nv12 tiled format nv12_8l128 and nv12_10be_8l128
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
The CLEAR_AFTER_FIELD defined here is functionally the same as
memset_after() helper, so replace it with memset_after() to simplify the
code, no functional change in this patch.
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Tag branch
* tag 'br-v6.2d' of git://linuxtv.org/hverkuil/media_tree: (35 commits)
media: saa7164: remove variable cnt
atomisp: fix potential NULL pointer dereferences
radio-terratec: Remove variable p
media: platform: s5p-mfc: Fix spelling mistake "mmaping" -> "mmapping"
media: platform: mtk-mdp3: remove unused VIDEO_MEDIATEK_VPU config
media: vivid: remove redundant assignment to variable checksum
media: cedrus: h264: Optimize mv col buffer allocation
media: cedrus: h265: Associate mv col buffers with buffer
media: mediatek: vcodec: fix h264 cavlc bitstream fail
media: cedrus: hevc: Fix offset adjustments
media: imx-jpeg: Fix Coverity issue in probe
media: v4l2-ioctl.c: Unify YCbCr/YUV terms in format descriptions
media: atomisp: Fix spelling mistake "mis-match" -> "mismatch"
media: c8sectpfe: Add missed header(s)
media: adv748x: afe: Select input port when initializing AFE
media: vimc: Update device configuration in the documentation
media: adv748x: Remove dead function declaration
media: mxl5005s: Make array RegAddr static const
media: atomisp: Fix spelling mistake "modee" -> "mode"
media: meson/vdec: always init coef_node_start
...
|
|
This introduces support for the Aspeed JPEG format, where the new frame
can refer to previous frame to reduce the amount of compressed data.
The concept is similar to I/P frame of video compression. It will
compare the new frame with previous one to decide which macroblock's
data is changed, and only the changed macroblocks will be compressed.
This Aspeed JPEG format is used by the video engine on Aspeed platforms,
which is generally adapted for remote KVM.
Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
|
|
Format descriptions use YCbCr and YUV terms interchangeably. Let's unify
them so they all use YUV. While YCbCr is actually correct term here, YUV
is shorter and thus it also fixes too long description of P010 tiled
format.
Fixes: 3c8e19d3d3f9 ("media: Add P010 tiled format")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- New driver for Mediatek MDP V3
- New driver for NXP i.MX DW100 dewarper
- Zoran driver got promoted from staging
- Hantro and related drivers got promoted from staging
- Several VB1 drivers got moved to staging/deprecated (cpia2, fsl-viu,
meye, saa7146, av7110, stkwebcam, tm6000, vpfe_capture, davinci,
zr364xx)
- Usual set of driver fixes, improvements and cleanups
* tag 'media/v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (107 commits)
media: destage Hantro VPU driver
media: platform: mtk-mdp3: add MediaTek MDP3 driver
media: dt-binding: mediatek: add bindings for MediaTek CCORR and WDMA
media: dt-binding: mediatek: add bindings for MediaTek MDP3 components
media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init
media: xilinx: video: Add 1X12 greyscale format
media: xilinx: csi2rxss: Add 1X12 greyscale format
media: staging: media: imx: imx7-media-csi: Increase video mem limit
media: uvcvideo: Limit power line control for Sonix Technology
media: uvcvideo: Use entity get_cur in uvc_ctrl_set
media: uvcvideo: Fix typo 'the the' in comment
media: uvcvideo: Use indexed loops in uvc_ctrl_init_ctrl()
media: uvcvideo: Fix memory leak in uvc_gpio_parse
media: renesas: vsp1: Add support for RZ/G2L VSPD
media: renesas: vsp1: Add VSP1_HAS_NON_ZERO_LBA feature bit
media: renesas: vsp1: Add support for VSP software version
media: renesas: vsp1: Add support to deassert/assert reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/G2L VSPD bindings
media: meson: vdec: add missing clk_disable_unprepare on error in vdec_hevc_start()
media: amphion: fix a bug that vpu core may not resume after suspend
...
|
|
If allocating array_buf fails, or copying data from userspace into that
buffer fails, then just free memory and return the error. Don't attempt
to call video_put_user() since there is no point, and it would copy back
data on error even if INFO_FL_ALWAYS_COPY wasn't set.
So if writing the array back to userspace fails, then don't go to
out_array_args, instead just continue with the regular code that just
returns the error unless 'always_copy' is set.
Update the VIDIOC_G/S/TRY_EXT_CTRLS ioctls to set the ALWAYS_COPY flag
since they now need it. Before this worked due to this buggy code, but
now that that is fixed these ioctls need to set this flag explicitly.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Replace 'the the' with 'the' in the comment.
[hverkuil: the the -> that the]
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Add P010 tiled format
[rebased, updated pixel format name and added description]
Tested-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Extend the format sanitization code in the framework to handle invalid
values for the colorspace-related fields.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
The new YUVA and YUVX are permutations of the existing AYUV and XYUV
formats. They are use by the NXP i.MX8 ISI hardware.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
The chroma order of P010 is `CbCr`,
match with the descriptions in `include/uapi/linux/videodev2.h` and the
documentation.
Fixes: 5374d8fb75f3 ("media: Add P010 video format")
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
P010 is a YUV format with 10-bits per component with interleaved UV.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Some platforms with an Intel IPU3 have an IR sensor producing 10 bit
greyscale format data that is transmitted over a CSI-2 bus to a CIO2
device - this packs the data into 32 bytes per 25 pixels. Add an entry
to the uAPI header defining that format.
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Add custom Qualcomm raw compressed pixel formats. They are
used in Qualcomm SoCs to optimize the interconnect bandwidth.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
The bus_info field is set by most drivers based on the type of the device
bus as well as the name of the device. Do this in v4l_querycap() so
drivers don't need to. This keeps compatibility with non-default and silly
bus_info.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
nv12m_8l128 is 8-bit tiled nv12 format used by amphion decoder.
nv12m_10be_8l128 is 10-bit tiled format used by amphion decoder.
The tile size is 8x128
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Shijie Qin <shijie.qin@nxp.com>
Signed-off-by: Zhou Peng <eagle.zhou@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
|
|
Pointers V4L2 pixelformat and dataformat fields in a few packed structs
are directly passed to printk family of functions. This could result in an
unaligned access albeit no such possibility appears to exist at the
moment i.e. this clang warning appears to be a false positive.
Address the warning by copying the pixelformat or dataformat value to a
local variable first.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: e927e1e0f0dd ("v4l: ioctl: Use %p4cc printk modifier to print FourCC codes")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
Add the VP9 stateless decoder controls plus the documentation that goes
with it.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Co-developed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Co-developed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
If V4L2_CAP_READWRITE is not set, then readbuffers must be set to 0,
otherwise v4l2-compliance will complain.
A note on the Fixes tag below: this patch does not really fix that commit,
but it can be applied from that commit onwards. For older code there is no
guarantee that device_caps is set, so even though this patch would apply,
it will not work reliably.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 049e684f2de9 (media: v4l2-dev: fix WARN_ON(!vdev->device_caps))
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
This patch lets user-space request a non-coherent memory
allocation during CREATE_BUFS and REQBUFS ioctl calls.
= CREATE_BUFS
struct v4l2_create_buffers has seven 4-byte reserved areas,
so reserved[0] is renamed to ->flags. The struct, thus, now
has six reserved 4-byte regions.
= CREATE_BUFS32
struct v4l2_create_buffers32 has seven 4-byte reserved areas,
so reserved[0] is renamed to ->flags. The struct, thus, now
has six reserved 4-byte regions.
= REQBUFS
We use one byte of a 4 byte ->reserved[1] member of struct
v4l2_requestbuffers. The struct, thus, now has reserved 3 bytes.
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
If the driver does not implement s_ctrl, but it does implement
s_ext_ctrls, we convert the call.
When that happens we have also to convert back the response from
s_ext_ctrls.
Fixes v4l2_compliance:
Control ioctls (Input 0):
fail: v4l2-test-controls.cpp(411): returned control value out of range
fail: v4l2-test-controls.cpp(507): invalid control 00980900
test VIDIOC_G/S_CTRL: FAIL
Fixes: 35ea11ff8471 ("V4L/DVB (8430): videodev: move some functions from v4l2-dev.h to v4l2-common.h or v4l2-ioctl.h")
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
Drivers that do not use the ctrl-framework use this function instead.
Fix the following issues:
- Do not check for multiple classes when getting the DEF_VAL.
- Return -EINVAL for request_api calls
- Default value cannot be changed, return EINVAL as soon as possible.
- Return the right error_idx
[If an error is found when validating the list of controls passed with
VIDIOC_G_EXT_CTRLS, then error_idx shall be set to ctrls->count to
indicate to userspace that no actual hardware was touched.
It would have been much nicer of course if error_idx could point to the
control index that failed the validation, but sadly that's not how the
API was designed.]
Fixes v4l2-compliance:
Control ioctls (Input 0):
warn: v4l2-test-controls.cpp(834): error_idx should be equal to count
warn: v4l2-test-controls.cpp(855): error_idx should be equal to count
fail: v4l2-test-controls.cpp(813): doioctl(node, VIDIOC_G_EXT_CTRLS, &ctrls)
test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL
Buffer ioctls (Input 0):
fail: v4l2-test-buffers.cpp(1994): ret != EINVAL && ret != EBADR && ret != ENOTTY
test Requests: FAIL
Cc: stable@vger.kernel.org
Fixes: 6fa6f831f095 ("media: v4l2-ctrls: add core request support")
Suggested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
Add Mediatek's non-compressed 8 bit block video mode. This format is
produced by the MT8183 codec and can be converted to a non-proprietary
format by the MDP3 component.
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
This format is produced by VeriSilicon Hantro G2 and VC8000D cores.
It is a simple 4x4 tiling layout in a linear way.
The pixel format was introduced by GStreamer using FourCC VT12,
so let's stick to it.
Link: https://gstreamer.freedesktop.org/documentation/video/video-format.html
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
The V4L2_PIX_FMT_HM12 format is actually a simple NV12 tiled format,
with 16x16 linear tiles. Rename the format and move its documentation
together with the other tiled NV12 formats.
Keep V4L2_PIX_FMT_HM12 for application compatibility.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
The V4L2_PIX_FMT_SUNXI_TILED_NV12 format is actually a fairly
common NV12 tiled format, with 32x32 linear tiles. Rename the format
and move its documentation together with the other tiled NV12 formats.
Keep V4L2_PIX_FMT_SUNXI_TILED_NV12 for application compatibility.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
The initialization was indented with an extra tab in most lines,
remove them to get the normal coding style.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
As seen from a recent syzbot bug report, mistakes in the compat ioctl
implementation can lead to uninitialized kernel stack data getting used
as input for driver ioctl handlers.
The reported bug is now fixed, but it's possible that other related
bugs are still present or get added in the future. As the drivers need
to check user input already, the possible impact is fairly low, but it
might still cause an information leak.
To be on the safe side, always clear the entire ioctl buffer before
calling the conversion handler functions that are meant to initialize
them.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
Syzbot found that passing ioctl command 0xc0505609 into a 64-bit
kernel from a 32-bit process causes uninitialized kernel memory to
get passed to drivers instead of the user space data:
BUG: KMSAN: uninit-value in check_array_args drivers/media/v4l2-core/v4l2-ioctl.c:3041 [inline]
BUG: KMSAN: uninit-value in video_usercopy+0x1631/0x3d30 drivers/media/v4l2-core/v4l2-ioctl.c:3315
CPU: 0 PID: 19595 Comm: syz-executor.4 Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
check_array_args drivers/media/v4l2-core/v4l2-ioctl.c:3041 [inline]
video_usercopy+0x1631/0x3d30 drivers/media/v4l2-core/v4l2-ioctl.c:3315
video_ioctl2+0x9f/0xb0 drivers/media/v4l2-core/v4l2-ioctl.c:3391
v4l2_ioctl+0x255/0x290 drivers/media/v4l2-core/v4l2-dev.c:360
v4l2_compat_ioctl32+0x2c6/0x370 drivers/media/v4l2-core/v4l2-compat-ioctl32.c:1248
__do_compat_sys_ioctl fs/ioctl.c:842 [inline]
__se_compat_sys_ioctl+0x53d/0x1100 fs/ioctl.c:793
__ia32_compat_sys_ioctl+0x4a/0x70 fs/ioctl.c:793
do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline]
__do_fast_syscall_32+0x102/0x160 arch/x86/entry/common.c:141
do_fast_syscall_32+0x6a/0xc0 arch/x86/entry/common.c:166
do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:209
entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
The time32 commands are defined but were never meant to be called on
64-bit machines, as those have always used time64 interfaces. I missed
this in my patch that introduced the time64 handling on 32-bit platforms.
The problem in this case is the mismatch of one function checking for
the numeric value of the command and another function checking for the
type of process (native vs compat) instead, with the result being that
for this combination, nothing gets copied into the buffer at all.
Avoid this by only trying to convert the time32 commands when running
on a 32-bit kernel where these are defined in a meaningful way.
[hverkuil: fix 3 warnings: switch with no cases]
Fixes: 577c89b0ce72 ("media: v4l2-core: fix v4l2_buffer handling for time64 ABI")
Reported-by: syzbot+142888ffec98ab194028@syzkaller.appspotmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|