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linux_dsm_epyc7002/Documentation/ABI/testing/configfs-usb-gadget-uvc
Mauro Carvalho Chehab 54a19b4d3f docs: ABI: cleanup several ABI documents 
There are some ABI documents that, while they don't generate
any warnings, they have issues when parsed by get_abi.pl script
on its output result.

Address them, in order to provide a clean output.

Reviewed-by: Tom Rix <trix@redhat.com> # for fpga-manager
Reviewed-By: Kajol Jain<kjain@linux.ibm.com> # for sysfs-bus-event_source-devices-hv_gpci and sysfs-bus-event_source-devices-hv_24x7
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for IIO
Acked-by: Oded Gabbay <oded.gabbay@gmail.com> # for Habanalabs
Acked-by: Vaibhav Jain <vaibhav@linux.ibm.com> # for sysfs-bus-papr-pmem
Acked-by: Cezary Rojewski <cezary.rojewski@intel.com> # for catpt
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Ilya Dryomov <idryomov@gmail.com> # for rbd
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/5bc78e5b68ed1e9e39135173857cb2e753be868f.1604042072.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30 13:14:29 +01:00

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What: /config/usb-gadget/gadget/functions/uvc.name
Date: Dec 2014
KernelVersion: 4.0
Description: UVC function directory
=================== =============================
streaming_maxburst 0..15 (ss only)
streaming_maxpacket 1..1023 (fs), 1..3072 (hs/ss)
streaming_interval 1..16
=================== =============================
What: /config/usb-gadget/gadget/functions/uvc.name/control
Date: Dec 2014
KernelVersion: 4.0
Description: Control descriptors
All attributes read only:
================ =============================
bInterfaceNumber USB interface number for this
streaming interface
================ =============================
What: /config/usb-gadget/gadget/functions/uvc.name/control/class
Date: Dec 2014
KernelVersion: 4.0
Description: Class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/class/ss
Date: Dec 2014
KernelVersion: 4.0
Description: Super speed control class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/class/fs
Date: Dec 2014
KernelVersion: 4.0
Description: Full speed control class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal
Date: Dec 2014
KernelVersion: 4.0
Description: Terminal descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/output
Date: Dec 2014
KernelVersion: 4.0
Description: Output terminal descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/output/default
Date: Dec 2014
KernelVersion: 4.0
Description: Default output terminal descriptors
All attributes read only:
============== =============================================
iTerminal index of string descriptor
bSourceID id of the terminal to which this terminal
is connected
bAssocTerminal id of the input terminal to which this output
terminal is associated
wTerminalType terminal type
bTerminalID a non-zero id of this terminal
============== =============================================
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera
Date: Dec 2014
KernelVersion: 4.0
Description: Camera terminal descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera/default
Date: Dec 2014
KernelVersion: 4.0
Description: Default camera terminal descriptors
All attributes read only:
======================== ====================================
bmControls bitmap specifying which controls are
supported for the video stream
wOcularFocalLength the value of Locular
wObjectiveFocalLengthMax the value of Lmin
wObjectiveFocalLengthMin the value of Lmax
iTerminal index of string descriptor
bAssocTerminal id of the output terminal to which
this terminal is connected
wTerminalType terminal type
bTerminalID a non-zero id of this terminal
======================== ====================================
What: /config/usb-gadget/gadget/functions/uvc.name/control/processing
Date: Dec 2014
KernelVersion: 4.0
Description: Processing unit descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/processing/default
Date: Dec 2014
KernelVersion: 4.0
Description: Default processing unit descriptors
All attributes read only:
=============== ========================================
iProcessing index of string descriptor
bmControls bitmap specifying which controls are
supported for the video stream
wMaxMultiplier maximum digital magnification x100
bSourceID id of the terminal to which this unit is
connected
bUnitID a non-zero id of this unit
=============== ========================================
What: /config/usb-gadget/gadget/functions/uvc.name/control/header
Date: Dec 2014
KernelVersion: 4.0
Description: Control header descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/header/name
Date: Dec 2014
KernelVersion: 4.0
Description: Specific control header descriptors
dwClockFrequency
bcdUVC
What: /config/usb-gadget/gadget/functions/uvc.name/streaming
Date: Dec 2014
KernelVersion: 4.0
Description: Streaming descriptors
All attributes read only:
================ =============================
bInterfaceNumber USB interface number for this
streaming interface
================ =============================
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class
Date: Dec 2014
KernelVersion: 4.0
Description: Streaming class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class/ss
Date: Dec 2014
KernelVersion: 4.0
Description: Super speed streaming class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class/hs
Date: Dec 2014
KernelVersion: 4.0
Description: High speed streaming class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class/fs
Date: Dec 2014
KernelVersion: 4.0
Description: Full speed streaming class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/color_matching
Date: Dec 2014
KernelVersion: 4.0
Description: Color matching descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/color_matching/default
Date: Dec 2014
KernelVersion: 4.0
Description: Default color matching descriptors
All attributes read only:
======================== ======================================
bMatrixCoefficients matrix used to compute luma and
chroma values from the color primaries
bTransferCharacteristics optoelectronic transfer
characteristic of the source picutre,
also called the gamma function
bColorPrimaries color primaries and the reference
white
======================== ======================================
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg
Date: Dec 2014
KernelVersion: 4.0
Description: MJPEG format descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name
Date: Dec 2014
KernelVersion: 4.0
Description: Specific MJPEG format descriptors
All attributes read only,
except bmaControls and bDefaultFrameIndex:
=================== =====================================
bFormatIndex unique id for this format descriptor;
only defined after parent header is
linked into the streaming class;
read-only
bmaControls this format's data for bmaControls in
the streaming header
bmInterfaceFlags specifies interlace information,
read-only
bAspectRatioY the X dimension of the picture aspect
ratio, read-only
bAspectRatioX the Y dimension of the picture aspect
ratio, read-only
bmFlags characteristics of this format,
read-only
bDefaultFrameIndex optimum frame index for this stream
=================== =====================================
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name/name
Date: Dec 2014
KernelVersion: 4.0
Description: Specific MJPEG frame descriptors
========================= =====================================
bFrameIndex unique id for this framedescriptor;
only defined after parent format is
linked into the streaming header;
read-only
dwFrameInterval indicates how frame interval can be
programmed; a number of values
separated by newline can be specified
dwDefaultFrameInterval the frame interval the device would
like to use as default
dwMaxVideoFrameBufferSize the maximum number of bytes the
compressor will produce for a video
frame or still image
dwMaxBitRate the maximum bit rate at the shortest
frame interval in bps
dwMinBitRate the minimum bit rate at the longest
frame interval in bps
wHeight height of decoded bitmap frame in px
wWidth width of decoded bitmam frame in px
bmCapabilities still image support, fixed frame-rate
support
========================= =====================================
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed
Date: Dec 2014
KernelVersion: 4.0
Description: Uncompressed format descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name
Date: Dec 2014
KernelVersion: 4.0
Description: Specific uncompressed format descriptors
================== =======================================
bFormatIndex unique id for this format descriptor;
only defined after parent header is
linked into the streaming class;
read-only
bmaControls this format's data for bmaControls in
the streaming header
bmInterfaceFlags specifies interlace information,
read-only
bAspectRatioY the X dimension of the picture aspect
ratio, read-only
bAspectRatioX the Y dimension of the picture aspect
ratio, read-only
bDefaultFrameIndex optimum frame index for this stream
bBitsPerPixel number of bits per pixel used to
specify color in the decoded video
frame
guidFormat globally unique id used to identify
stream-encoding format
================== =======================================
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name/name
Date: Dec 2014
KernelVersion: 4.0
Description: Specific uncompressed frame descriptors
========================= =====================================
bFrameIndex unique id for this framedescriptor;
only defined after parent format is
linked into the streaming header;
read-only
dwFrameInterval indicates how frame interval can be
programmed; a number of values
separated by newline can be specified
dwDefaultFrameInterval the frame interval the device would
like to use as default
dwMaxVideoFrameBufferSize the maximum number of bytes the
compressor will produce for a video
frame or still image
dwMaxBitRate the maximum bit rate at the shortest
frame interval in bps
dwMinBitRate the minimum bit rate at the longest
frame interval in bps
wHeight height of decoded bitmap frame in px
wWidth width of decoded bitmam frame in px
bmCapabilities still image support, fixed frame-rate
support
========================= =====================================
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/header
Date: Dec 2014
KernelVersion: 4.0
Description: Streaming header descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/header/name
Date: Dec 2014
KernelVersion: 4.0
Description: Specific streaming header descriptors
All attributes read only:
==================== =====================================
bTriggerUsage how the host software will respond to
a hardware trigger interrupt event
bTriggerSupport flag specifying if hardware
triggering is supported
bStillCaptureMethod method of still image caputre
supported
bTerminalLink id of the output terminal to which
the video endpoint of this interface
is connected
bmInfo capabilities of this video streaming
interface
==================== =====================================
What: /sys/class/udc/udc.name/device/gadget/video4linux/video.name/function_name
Date: May 2018
KernelVersion: 4.19
Description: UVC configfs function instance name
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