mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
55 lines
2.4 KiB
Plaintext
55 lines
2.4 KiB
Plaintext
To understand all the Linux-USB framework, you'll use these resources:
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* This source code. This is necessarily an evolving work, and
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includes kerneldoc that should help you get a current overview.
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("make pdfdocs", and then look at "usb.pdf" for host side and
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"gadget.pdf" for peripheral side.) Also, Documentation/usb has
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more information.
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* The USB 2.0 specification (from www.usb.org), with supplements
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such as those for USB OTG and the various device classes.
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The USB specification has a good overview chapter, and USB
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peripherals conform to the widely known "Chapter 9".
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* Chip specifications for USB controllers. Examples include
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host controllers (on PCs, servers, and more); peripheral
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controllers (in devices with Linux firmware, like printers or
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cell phones); and hard-wired peripherals like Ethernet adapters.
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* Specifications for other protocols implemented by USB peripheral
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functions. Some are vendor-specific; others are vendor-neutral
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but just standardized outside of the www.usb.org team.
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Here is a list of what each subdirectory here is, and what is contained in
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them.
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core/ - This is for the core USB host code, including the
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usbfs files and the hub class driver ("khubd").
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host/ - This is for USB host controller drivers. This
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includes UHCI, OHCI, EHCI, and others that might
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be used with more specialized "embedded" systems.
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gadget/ - This is for USB peripheral controller drivers and
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the various gadget drivers which talk to them.
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Individual USB driver directories. A new driver should be added to the
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first subdirectory in the list below that it fits into.
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image/ - This is for still image drivers, like scanners or
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digital cameras.
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input/ - This is for any driver that uses the input subsystem,
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like keyboard, mice, touchscreens, tablets, etc.
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media/ - This is for multimedia drivers, like video cameras,
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radios, and any other drivers that talk to the v4l
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subsystem.
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net/ - This is for network drivers.
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serial/ - This is for USB to serial drivers.
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storage/ - This is for USB mass-storage drivers.
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class/ - This is for all USB device drivers that do not fit
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into any of the above categories, and work for a range
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of USB Class specified devices.
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misc/ - This is for all USB device drivers that do not fit
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into any of the above categories.
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