From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver Date: Sun, 23 Dec 2018 00:05:05 +0100 Message-ID: <20181222230505.GD15237@amd> References: <20181217004450.GW6707@atomide.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ieNMXl1Fr3cevapt" Return-path: Content-Disposition: inline In-Reply-To: <20181217004450.GW6707@atomide.com> Sender: linux-kernel-owner@vger.kernel.org To: Tony Lindgren Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, Jarkko Nikula , Johan Hovold , Kuninori Morimoto , Marcel Partap , Merlijn Wajer , Michael Scott , NeKit , omerlle@gmail.com, Sebastian Reichel , Peter Ujfalusi , Rob Herring List-Id: linux-omap@vger.kernel.org --ieNMXl1Fr3cevapt Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, little elves! > 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. I tried to get access at motmdm, but no: root@devuan:/home/user# minicom -D /dev/motmdm1 minicom: cannot open /dev/motmdm1: No such file or directory root@devuan:/home/user# ls -al /dev/motmdm1 ls: cannot access '/dev/motmdm1': No such file or directory root@devuan:/home/user# dmesg | grep motmd root@devuan:/home/user# zcat /proc/config.gz | grep MDM CONFIG_MFD_MOTMDM=3Dy CONFIG_SND_SOC_MOTMDM=3Dy CONFIG_PHY_MAPPHONE_MDM6600=3Dy root@devuan:/home/user# uname -a Linux devuan 4.20.0-rc7-00304-gde109fe #19 SMP Sat Dec 22 20:16:19 CET 2018 armv7l GNU/Linux root@devuan:/home/user# Let me try to enable CONFIG_GNSS_MOTMDM. N_GSM also seems enabled. =20 Is there anything else I need to enable in .config? Scary Solstice! Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --ieNMXl1Fr3cevapt Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlwewyEACgkQMOfwapXb+vLs/wCffXaPd1U9e09MvHGaTdLG/HKQ t6oAoLCrYIULHPSTQJqejo6Vw1A2FQs7 =Yu1V -----END PGP SIGNATURE----- --ieNMXl1Fr3cevapt--