Date: Mon, 20 Apr 1998 11:25:16 -0700 From: "Gregory P. Smith" <greg@nas.nasa.gov> To: Mike Smith <mike@smith.net.au> Cc: Nick Hibma <nick.hibma@jrc.it>, freebsd-hackers@FreeBSD.ORG, Mark Willey <willey@etla.net> Subject: Re: FreeBSD USB project, help requested Message-ID: <199804201825.LAA02382@ryouko.nas.nasa.gov> In-Reply-To: Your message of "Mon, 20 Apr 1998 11:17:07 PDT." <199804201817.LAA01099@dingo.cdrom.com>
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> > > x Implementation of OHCI standard (similar to UHCI) > > > x Support for other UHCI/OHCI chipsets > > > > I volunteer for OHCI standard and support for the SiS 5598 OHCI chipset > > (gee, can you guess what my motherboard has :). > > Get the OHCI standard and work from that. (Which is what I have done > for my unknown Toshiba chipset.) The whole idea behind OHCI is that > you don't have to know what sort of chipset you have, and we shouldn't > care at all. That's what I gathered from my USB book and the SiS 5598 specs. I do have one question about the 5598 and OHCI since I don't have the raw OHCI specs yet (if you have a URL handy it'd be appreciated). The 5598 has 4 registers starting at offset 100h to control the host controller emulation mode. Are these OCHI or is this 5598 specific? The chipset can apparently emulate a traditional keyboard and mouse interface from USB attached devices without even needing a usb driver, etc. I haven't tested it. Greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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