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=-3.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 CE859C43387 for ; Sun, 23 Dec 2018 11:11:19 +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 9123121903 for ; Sun, 23 Dec 2018 11:11:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="OmuNqjBc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9123121903 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=c7vlEscxE67gFJUJ5Oh+MnMv3xUvUAD40GhE4UbzKbY=; b=OmuNqjBcFea/N/tacJQ0LAh3r LeBmnVRv1Wva8aj53M3BFN0elD6wqDF7ZqITdUW6luQc/FrU0nMJHEYNjfP9wZ5K458yM5Csfax4r i7R7GUjW/NjugsuojclOB6SMNcS/WZ+kmNF0iBTpD0KcNNcOWVZTTh24QDEqzRyqf5bQQfrAQPIJD 4WzhZkTmSloaZJYgAECpo4D6nQ17xh+ilcaVVrBf2V0YsVJSTeiEFBYEOXuAGOJDqp78vC8wecMzc VPcvTnTphg2fXuDQ7gRFd1ppE6WY2jWiwMqnc1OXUPP6ORS0xvYvZRPNyzsckWChaPxOzHC544HMi 77UENkxRg==; 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 1gb1f8-0005pY-N4; Sun, 23 Dec 2018 11:11:14 +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 1gb1f5-0005nj-83 for linux-arm-kernel@lists.infradead.org; Sun, 23 Dec 2018 11:11:12 +0000 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 8A4C3807AC; Sun, 23 Dec 2018 12:10:55 +0100 (CET) Date: Sun, 23 Dec 2018 12:10:59 +0100 From: Pavel Machek To: Tony Lindgren Subject: Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver Message-ID: <20181223111059.GB1936@amd> References: <20181217004450.GW6707@atomide.com> <20181223103315.GA1936@amd> MIME-Version: 1.0 In-Reply-To: <20181223103315.GA1936@amd> 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-20181223_031111_440531_8F31B469 X-CRM114-Status: GOOD ( 22.20 ) 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: Rob Herring , Marcel Partap , Kuninori Morimoto , omerlle@gmail.com, Merlijn Wajer , linux-kernel@vger.kernel.org, Johan Hovold , Peter Ujfalusi , NeKit , linux-arm-kernel@lists.infradead.org, Michael Scott , Sebastian Reichel , linux-omap@vger.kernel.org, Jarkko Nikula Content-Type: multipart/mixed; boundary="===============8244101261737917370==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============8244101261737917370== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="K8nIJk4ghYZn606h" Content-Disposition: inline --K8nIJk4ghYZn606h Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > So the little elves have been slowly working to get voice calls > > working on droid 4 with the mainline kernel. And just in time for the > > upcoming holidays, it might be possible to call friends and relatives. > >=20 > > I've pushed out an experimental branch containing serdev ts 27.010 > > UART multiplexing support. That contains a serdev core driver for the > > mdm6600 modem (that also now idles the modem for PM), support for Alsa > > ASoC voice codec and mixer, and a GNSS driver for the GPS. > >=20 > > Where it does not make sense to do a kernel serdev driver, I've > > exposed the rest of the available 27.010 channels as ten /dev/motmdm* > > character devices. There's /dev/motmdm1 for AT commands to dial voice > > calls, /dev/motmdm3 for SMS eventually, and I think there's also a SIM > > card reader at /dev/motmdm10. Then /dev/motmdm7 seems to be just an > > echo channel. The other channels are still a bit of a mystery. >=20 > I suspected it does not work in non-modular case, so I tried with > modules: >=20 > root@devuan:/my/ko# insmod gnss.ko > root@devuan:/my/ko# insmod gnss-motmdm.ko > insmod: ERROR: could not insert module gnss-motmdm.ko: Unknown symbol > in module > root@devuan:/my/ko# insmod n_gsm.ko > root@devuan:/my/ko# insmod snd-soc-motmdm.ko > insmod: ERROR: could not insert module snd-soc-motmdm.ko: Unknown > symbol in module > root@devuan:/my/ko# insmod motorola-mdm.ko > root@devuan:/my/ko# insmod snd-soc-motmdm.ko > root@devuan:/my/ko# insmod gnss-motmdm.ko > root@devuan:/my/ko# =2E.. > ...do I need to make devices manually or some udev rules? >=20 > user@devuan:~$ cat /proc/devices | grep motmdm > user@devuan:~$ cat /proc/devices | grep gnss > 242 gnss > user@devuan:~$ >=20 > Hmm, I suspect the driver just did not recognize the hw. I added some printks to motmdm_probe, and they don't appear to be called. I wonder if I'm missing something else in the config? I do have serial root@devuan:/my/ko# ls -al /dev/ttyS0 crw-rw---- 1 root dialout 4, 64 Dec 23 11:52 /dev/ttyS0 but not gsm multiplex: root@devuan:/my/ko# ls -al /dev/gsm* ls: cannot access '/dev/gsm*': No such file or directory Best regards, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --K8nIJk4ghYZn606h Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlwfbUMACgkQMOfwapXb+vKZHQCeNefJ1BfW14OTPUPbUGyrEQLp TiIAoMG6H8Rs+z5a5HC0j0/fkLwIp3Zc =g5Nn -----END PGP SIGNATURE----- --K8nIJk4ghYZn606h-- --===============8244101261737917370== 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 --===============8244101261737917370==--