From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261575AbVFHTgp (ORCPT ); Wed, 8 Jun 2005 15:36:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261572AbVFHTgo (ORCPT ); Wed, 8 Jun 2005 15:36:44 -0400 Received: from smtp2.poczta.interia.pl ([213.25.80.232]:59172 "EHLO smtp.poczta.interia.pl") by vger.kernel.org with ESMTP id S261567AbVFHTgQ (ORCPT ); Wed, 8 Jun 2005 15:36:16 -0400 Message-ID: <42A7489F.10604@poczta.fm> Date: Wed, 08 Jun 2005 21:35:59 +0200 From: Lukasz Stelmach User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: pl, en-us, en MIME-Version: 1.0 To: moreau francis Cc: Pavel Machek , linux-kernel@vger.kernel.org Subject: Re: Advices for a lcd driver design. (suite) References: <20050608084224.53355.qmail@web25805.mail.ukl.yahoo.com> In-Reply-To: <20050608084224.53355.qmail@web25805.mail.ukl.yahoo.com> X-Enigmail-Version: 0.90.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig5ABF5EF5B519566BB8D6E3C9" X-EMID: 9a4e138 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig5ABF5EF5B519566BB8D6E3C9 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable moreau francis napisa=C5=82(a): >>I think the "buffer" could be shadowed in kernel and updated >> periodically. > Ok I can try using frame buffer, but I'm afraid to use such code for su= ch > small graphic device. [...] > Do you know if I can find an example in kernel code for such implementa= tion ? I am afraid I don't know much about fb internals. I haven't used it much as a user nor written any fb code. >>Yes and no. No because framebuffer is about drawing graphics not text >>and yest for there is fbcon console driver on top of the framebuffer. A= t >>least AFAIK. >=20 > does that mean once there is fbcon console driver set up on top of fram= ebuffer > I can't use anymore /dev/fb for drawing graphics ? Of course not! :) As I stated I haven't used fb much but I have ran mplayer right on top of the content of the output of "ls -l /dev". Try to find something in: /usr/src/linux/drivers/video/console/fbcon.c --=20 By=C5=82o mi bardzo mi=C5=82o. Trzecia pospolita kl=C4= =99ska, [...] >=C5=81ukasz< Ju=C5=BC nie katolicka lecz z=C5=82odz= iejska. (c)PP --------------enig5ABF5EF5B519566BB8D6E3C9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFCp0imNdzY8sm9K9wRAofeAKCAqwMlu/3/nuVKuDNPP52xs0oDcgCdGVKv T49wy28TXo/qxoTP4+RtfsI= =j1J8 -----END PGP SIGNATURE----- --------------enig5ABF5EF5B519566BB8D6E3C9--