From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 595A9C282C2 for ; Thu, 7 Feb 2019 22:18:13 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 285CD2147C for ; Thu, 7 Feb 2019 22:18:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Ljp2gG/I" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 285CD2147C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ucw.cz Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=szb60gFTZ+pKmv81jZ+/E2wcO5OYgIDom8ne5uEUG9M=; b=Ljp2gG/IcesuUmnBDBLN3kxss GJZAZMlnRd0lp8WZRzWdnqrMTJ1QcaL5VV1ICrklGB1WoRPf+n7APpmYpV/4dGJC/6qWjNBjCgjvf n1li0bavxRfxYBr8FIHq1w++SGZovMR7aQ3nR3ZszX64viuaNgL9yo7/2aVI6hivug+h4N7Rtm8MM 960KFkQtLk3Ml5A8buS7tkYVw62sKYT71Ux3+IXcIIFXDu0VGcZqPNre7nC5/fNT7xPubWacprBRm Q+afrFyQxA6sTNLsNv3e49Lk5GkEu/R6uhIF/eqapQU/aHHtvD+WJbZnjGo+x1H5OYgg3+cPxTwOd AWm9Nd00A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1grrze-0006fm-B5; Thu, 07 Feb 2019 22:18:02 +0000 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1grrza-0006er-1M for linux-arm-kernel@lists.infradead.org; Thu, 07 Feb 2019 22:18:00 +0000 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 1A4C980280; Thu, 7 Feb 2019 23:17:40 +0100 (CET) Date: Thu, 7 Feb 2019 23:17:46 +0100 From: Pavel Machek To: Tony Lindgren Subject: Re: Droid 4 modem support in kernel & ofono Message-ID: <20190207221745.GA12219@amd> References: <20190201203616.GA2087@amd> <20190201205032.GF5720@atomide.com> MIME-Version: 1.0 In-Reply-To: <20190201205032.GF5720@atomide.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190207_141758_233382_CC95B104 X-CRM114-Status: GOOD ( 20.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mpartap@gmx.net, merlijn@wizzup.org, sre@kernel.org, kernel list , nekit1000@gmail.com, ofono@ofono.org, linux-omap@vger.kernel.org, linux-arm-kernel Content-Type: multipart/mixed; boundary="===============6471929367365794515==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============6471929367365794515== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="vtzGhvizbBRQ85DL" Content-Disposition: inline --vtzGhvizbBRQ85DL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > Ok, so I got calls and smses somehow working in kernel&ofono ... which > > is really all I need. >=20 > Nice :) >=20 > I think the SIM card reading and writing should be doable > using dlci10 /dev/motmdm10 for AT+CRSM calls.. Might be. Sorry, this is outside of my area of interest, because LTE would not be on usable frequencies, anyway. > > I pushed the tree to git@github.com:pavelmachek/ofono.git , branch > > d4... But I had to do some "rather interesting" hacks. D4 modem > > expects packets and current kernel drivers rely on write() boundaries > > and flush(). .. which is a bit of problem for in ofonod, as it expects > > to work with bytestream with no explicit packet boundaries. > >=20 > > However D4 still uses normal AT commands, so... it would be good to be > > able to use AT parsing framework in ofono. > >=20 > > I believe easiest solution would be to automatically do the packet > > splitting in kernel, it should be as easy as splitting on \r and > > ^Z. (Currently packets are only generated when \r or ^Z is seen on > > write boundary, but that does not work well for ofono). >=20 > OK yeah it's worth trying. I hit that issue too with the > flush needed for droid4-sms-tools scripts. And the traffic > we're seeing is minimal and AFAIK there's no network port > for ts27010. And SMS messages are PDU encoded anyways. >=20 > Hmm should we do it for \r\n and \r? Otherwise the \n > will be left out of the packet :) I guess splitting on \n makes sense, yes.=20 Ofono normally uses just \r. Translating it to \r\n in kernel (ttys already do that) would be super nice, but I think this is easy enough to handle in ofono. Thanks, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --vtzGhvizbBRQ85DL Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlxcrokACgkQMOfwapXb+vK4bwCfV/LVgMgAXt7Rt3r5EGz7Cq9V vV8AoJcZpIFS/6ox5j6ZCvHU9VHo6GkG =9OQ6 -----END PGP SIGNATURE----- --vtzGhvizbBRQ85DL-- --===============6471929367365794515== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============6471929367365794515==--