Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754462Ab0G1JEn (ORCPT ); Wed, 28 Jul 2010 05:04:43 -0400 Received: from mail-px0-f174.google.com ([209.85.212.174]:46417 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753477Ab0G1JEl convert rfc822-to-8bit (ORCPT ); Wed, 28 Jul 2010 05:04:41 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; b=bOpDy6+9RxhpdTUlRbXPGB5KMUXCem8ggxjxvSxFy7PojNlc+vpMVZwRXZaywhldV3 /F9Fq9Hysl0JlUYtJzv7AyGWShpUpHxHxreClh8Rsx7Ulhq1CuaP/sCcV7y5DctD7Wny 2axdIutXvZqDwqDBVr514X1bL47v1Tlo/dBnI= MIME-Version: 1.0 In-Reply-To: <4C4FE70A.70101@st.com> References: <4C4FE70A.70101@st.com> From: Eric Miao Date: Wed, 28 Jul 2010 17:04:21 +0800 Message-ID: Subject: Re: JPEG hw decoder To: viresh kumar , video4linux-list@redhat.com Cc: rd bairva , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1304 Lines: 35 On Wed, Jul 28, 2010 at 4:15 PM, viresh kumar wrote: > On 7/28/2010 10:42 AM, rd bairva wrote: >> Hi , >>       My board has a hardware JPEG decoder. I want to write a driver >> for this in Linux kernel, But it seems there that no Framework exists >> in kernel. Can somebody provide me some pointers? > > Hello Rbairva, > > Which JPEG decoder are you working on?? > > I have Synopsys JPEG Decoder/Encoder on ST SPEAr platform > and i am currently working on its driver for LKML. > > I already have a driver for it which is not aligned to LKML guidelines, > and so doing modifications there. > In my driver i have used char device framework and none other suits it well. > Normally the JPEG decoder/encoder comes with the video camera module, which falls in v4l2 framework. Though not sure how well the v4l2 API is gonna support this. > viresh. > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/