Date: Sun, 20 Jun 2004 10:57:11 -0700 From: Marcel Moolenaar <marcel@xcllnt.net> To: "M. Warner Losh" <imp@bsdimp.com> Cc: phk@phk.freebsd.dk Subject: Re: [REVIEW] move tty lock/initial up in the stack Message-ID: <20040620175711.GA1823@dhcp50.pn.xcllnt.net> In-Reply-To: <20040620.105000.106880101.imp@bsdimp.com> References: <20040619.145736.91276883.imp@bsdimp.com> <82937.1087721102@critter.freebsd.dk> <20040620.105000.106880101.imp@bsdimp.com>
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On Sun, Jun 20, 2004 at 10:50:00AM -0600, M. Warner Losh wrote: > > Of course I'm reimplementing the Cyclades Z driver to try to use > uart, which is why I'm getting curious. I don't know if this will > wind up working or not, but since 95% of the hardware interface is two > circular buffers in memory, which does seem to map mostly onto > Marcel's model. Time will tell... I also have porting the stallion > driver to current. I can do this by a simple hack on the old driver, > or a rewrite. I'll use my Z experience to decide. You probably want to review my uart(4) notes WRT multiport cards: http://wiki.daemon.li/index.pl?Uart(4) This may or may not align with your thinking. If not, maybe we should quickly touch bases... PS: I just added cyclades to the list of references there. Feel free to add more or replace this with a better one. -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net
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