Date: Mon, 6 Mar 2006 14:03:40 +0100 From: Martin Wilke <unixfreunde@gmail.com> To: "Stephane E. Potvin" <sepotvin@videotron.ca>, freebsd-current@freebsd.org Subject: Re: Sound Driver for 82801FB Message-ID: <20060306140340.1ab58988@mwilke.ath.cx> In-Reply-To: <440B7183.7080802@videotron.ca> References: <20060305233639.69ee52f0@mwilke.ath.cx> <20060305225202.GA14290@voi.aagh.net> <440B7183.7080802@videotron.ca>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Sun, 05 Mar 2006 18:17:23 -0500 "Stephane E. Potvin" <sepotvin@videotron.ca> wrote: Hi Steph, First of all, I want to thank you very much for all your information about the current development of the driver... In the case you need someone to test your sound driver, I would be glad to test it for you. Regards, Martin > Thomas Hurst wrote: > > * Martin Wilke (unixfreunde@gmail.com) wrote: > > > >> I've bought myself an Intel Pentium M pc, which has the Soundchip > >> intel 82801FB/FR/FW/FRW in it. Is it possible to build a Driver > >> for it? > > > > This is one of Intel's new HDA (High Defenition Audio) chips, which > > is not yet supported: > > > > http://www.freebsd.org/projects/ideas/#p-hda > > > > Looks like there's a NetBSD driver to port now. > > > > I'm currently working on this as I have recently updated my laptop and > I'm now without sound too. I first looked in porting the NetBSD driver > but very soon decided not to do it this way. > > They have implemented a monolithic driver that controls both the hda > controller and the audio codec. As one controller can control multiple > codecs that can have various types: audio, modem, etc. I chose to > implement a hda controller (hdac) which will attach to the controller > and will then probe for the various codecs attached to it via the HDA > Link and attach other drivers to control these. This way, it will be > possible to have more than one audio codec controlled at the same > time (one in the laptop and one in the docking station for example), > and maybe in time a modem codec (though I don't think I'll do that > myself). > > But, and this is a big but, don't hold you breath. I'm not going very > fast as I don't have that much time to invest into that after job and > real life. Currently, I have the basic architecture in place on paper > and the driver is just ready to start sending and receiving commands > (verbs) to the codecs. > > Regards, > > Steph -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.1 (FreeBSD) iD8DBQFEDDMsFRZ/kBT4vp8RAjFUAKCQZnidjZ1vZE0FybQp6NeszZmNYgCeJqD6 cpn25tzzCoKhnzH0HnIRlas= =281V -----END PGP SIGNATURE-----
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