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6 Commits
Author SHA1 Message Date
martinwhitaker 407fb811c2 Take ownership of all USB controllers before probing for devices. (#167) 
When two controllers are attached to a physical port (e.g. in the
case of EHCI and its companion controllers, problems can occur if
the BIOS still has control of one controller when we try to use the
other one. So perform a first pass to scan the PCI bus and take
ownership of and reset all the controllers we find, and perform a
second pass to initialise the controllers and probe for attached
devices.

As we don't support hot plugging, split the second pass into two,
with the first probing the EHCI controllers and handing over any
low and full speed devices to the companion controllers, and the
second probing the remaining controller types.
 2022-10-07 09:32:09 +01:00
Martin Whitaker f8b82eb0bd Exclude copyright notices from Doxygen file descriptions. 2022-02-19 19:56:55 +00:00
Martin Whitaker 76adad2fe6 Add ability to generate internal API documentation using Doxygen. 2022-02-19 16:17:40 +00:00
Martin Whitaker 4400ec6f17 Rename usbkbd to usbhcd to better reflect the new design. 2022-01-08 23:14:50 +00:00
Martin Whitaker 52a87c5d40 Add support for USB hubs. 
This refactors the USB driver code into a more object-oriented design,
with usbkbd.c being the base class and ohci.c and xhci.c being subclasses.
This makes the code that performs USB device enumeration independent of
the host controller.
 2022-01-08 23:00:28 +00:00
Martin Whitaker 8069b8724b Initial support for native USB keyboard interface. 
This adds support for USB keyboards connected directly to an OHCI
or XHCI controller.
 2021-12-22 17:31:06 +00:00