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Add a driver for the Arducam 64MP camera sensor. Whilst the sensor supports 2 or 4 CSI2 data lanes, this driver currently only supports 2 lanes. The following Bayer modes are currently available: 9152x6944 10-bit @ 2.7fps 4624x3472 10-bit (binned) @ 10fps 3840x2160 10-bit (cropped/binned) @ 20fps 2312x1736 10-bit (binned) @ 30fps 1920x1080 10-bit (cropped/binned) @ 60fps 1280x720 10-bit (cropped/binned) @ 120fps Signed-off-by: Lee Jackson <info@arducam.com> media: i2c: arducam_64mp: Advertise embedded data node on media pad 1 This commit updates the arducam_64mp driver to adverise support for embedded data streams. The arducam_64mp sensor subdevice overloads the media pad to differentiate between image stream (pad 0) and embedded data stream (pad 1) when performing the v4l2_subdev_pad_ops functions. Signed-off-by: Lee Jackson <info@arducam.com> media: i2c: arducam_64mp: Modify the line length of 1280x720 resolution Arducam 64MP has specific requirements for the line length, and if these conditions are not met, the camera will not function properly. Under the previous configuration, once a stream off operation is performed, the camera will not output any data, even if a stream on operation is performed. This prevents us from switching from 1280x720 to another resolution. Signed-off-by: Lee Jackson <lee.jackson@arducam.com> media: i2c: arducam_64mp: Add 8000x6000 resolution Added 8000x6000 10-bit (cropped) @ 3fps mode for Arducam 64MP Signed-off-by: Lee Jackson <lee.jackson@arducam.com> media: i2c: arducam_64mp: Add PDAF support Enable PDAF output for all modes, and also need to modify Embedded Line Width to 11560 * 3 (two lines of Embedded Data + one line of PDAF). Signed-off-by: Lee Jackson <lee.jackson@arducam.com> drivers: media: arducam_64mp: Add V4L2_CID_LINK_FREQ control Add V4L2_CID_LINK_FREQ as a read-only control with a value of 456 Mhz. This will be used by the CFE driver to corretly setup the DPHY timing parameters in the CSI-2 block. Signed-off-by: Lee Jackson <lee.jackson@arducam.com>
Linux kernel
There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first.
In order to build the documentation, use make htmldocs or
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https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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