From owner-freebsd-multimedia@FreeBSD.ORG Wed Mar 5 16:55:47 2008 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2FE291065672 for ; Wed, 5 Mar 2008 16:55:47 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from redbull.bpaserver.net (redbullneu.bpaserver.net [213.198.78.217]) by mx1.freebsd.org (Postfix) with ESMTP id CF0698FC1E for ; Wed, 5 Mar 2008 16:55:46 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from outgoing.leidinger.net (p54A54539.dip.t-dialin.net [84.165.69.57]) by redbull.bpaserver.net (Postfix) with ESMTP id B4B872E28F; Wed, 5 Mar 2008 17:55:42 +0100 (CET) Received: from webmail.leidinger.net (webmail.leidinger.net [192.168.1.102]) by outgoing.leidinger.net (Postfix) with ESMTP id A4A0A80E70; Wed, 5 Mar 2008 17:55:34 +0100 (CET) Received: (from www@localhost) by webmail.leidinger.net (8.14.2/8.13.8/Submit) id m25GtVfE003108; Wed, 5 Mar 2008 17:55:31 +0100 (CET) (envelope-from Alexander@Leidinger.net) Received: from ANancy-154-1-7-34.w83-194.abo.wanadoo.fr (ANancy-154-1-7-34.w83-194.abo.wanadoo.fr [83.194.83.34]) by webmail.leidinger.net (Horde MIME library) with HTTP; Wed, 05 Mar 2008 17:55:30 +0100 Message-ID: <20080305175530.6bnix17f40c8go48@webmail.leidinger.net> X-Priority: 3 (Normal) Date: Wed, 05 Mar 2008 17:55:30 +0100 From: Alexander Leidinger To: Luigi Rizzo References: <200803040325.09515.danny@ricin.com> <20080304205142.GA64139@onelab2.iet.unipi.it> <200803042313.03409.danny@ricin.com> <20080305070411.GB69758@onelab2.iet.unipi.it> <20080305094350.uvjnrwie8g8ck00w@webmail.leidinger.net> <20080305090704.GA24762@onelab2.iet.unipi.it> In-Reply-To: <20080305090704.GA24762@onelab2.iet.unipi.it> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable User-Agent: Internet Messaging Program (IMP) H3 (4.1.5) / FreeBSD-8.0 X-BPAnet-MailScanner-Information: Please contact the ISP for more information X-BPAnet-MailScanner: Found to be clean X-BPAnet-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-14.3, required 6, BAYES_00 -15.00, J_CHICKENPOX_32 0.60, RDNS_DYNAMIC 0.10) X-BPAnet-MailScanner-From: alexander@leidinger.net X-Spam-Status: No Cc: freebsd-multimedia@freebsd.org Subject: Re: Driver for Asus P7131 and other SAA-based cards ? (was Re: kbtv2 sound saa.c -- And BETA3 available) X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Mar 2008 16:55:47 -0000 Quoting Luigi Rizzo (from Wed, 5 Mar 2008 =20 10:07:04 +0100): > On Wed, Mar 05, 2008 at 09:43:50AM +0100, Alexander Leidinger wrote: >> Quoting Luigi Rizzo (from Wed, 5 Mar 2008 >> 08:04:11 +0100): >> >> >ok - thanks for all the pointers. I will keep the list posted >> >if i make some progress. >> >> If someone stumbles by chance upon the programming documentation of a >> DVB-S2 or even a DVB-S chip, I'm all ears. But I think all digital >> stuff is locked away because of some legal stuff from holliwood (DRM), >> even if it is about free TV stations. > > As Danny mentioned, there are several DVB boards supported on linux, > and Raaf posted 12-15 months ago a driver for an USB card. Linux code is not really a programming documentation. I assume you =20 understand what I mean. > In terms of device driver support: the linux saa7134 driver has a > lot of code to download the firmware, control tuner, decoder, and various > card configurations. > > I am not sure all these things belong in the kernel - they > are not IO or CPU intensive, and it would be a lot more flexible to > handle them through userland programs that issue appropriate IOCTL > to play with the internal i2c bus or card registers. > > In this respect, I am leaning towards a userland approach rather > than adding a lot of stuff to the current saa.ko driver I agree. Bye, Alexander. --=20 Support bacteria -- it's the only culture some people have! http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID =3D B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID =3D 72077137