From: Pavel Machek <pavel@ucw.cz> To: Tony Lindgren <tony@atomide.com> Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, Jarkko Nikula <jarkko.nikula@bitmer.com>, Johan Hovold <johan@kernel.org>, Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>, Marcel Partap <mpartap@gmx.net>, Merlijn Wajer <merlijn@wizzup.org>, Michael Scott <hashcode0f@gmail.com>, NeKit <nekit1000@gmail.com>, omerlle@gmail.com, Sebastian Reichel <sre@kernel.org>, Peter Ujfalusi <peter.ujfalusi@ti.com>, Rob Herring <robh@kernel.org> Subject: Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver Date: Sun, 23 Dec 2018 12:10:59 +0100 [thread overview] Message-ID: <20181223111059.GB1936@amd> (raw) In-Reply-To: <20181223103315.GA1936@amd> [-- Attachment #1: Type: text/plain, Size: 2364 bytes --] 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. > > > > 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. > > > > 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 suspected it does not work in non-modular case, so I tried with > modules: > > 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# ... > ...do I need to make devices manually or some udev rules? > > user@devuan:~$ cat /proc/devices | grep motmdm > user@devuan:~$ cat /proc/devices | grep gnss > 242 gnss > user@devuan:~$ > > 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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [-- Attachment #2: Digital signature --] [-- Type: application/pgp-signature, Size: 181 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz> To: Tony Lindgren <tony@atomide.com> Cc: Rob Herring <robh@kernel.org>, Marcel Partap <mpartap@gmx.net>, Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>, omerlle@gmail.com, Merlijn Wajer <merlijn@wizzup.org>, linux-kernel@vger.kernel.org, Johan Hovold <johan@kernel.org>, Peter Ujfalusi <peter.ujfalusi@ti.com>, NeKit <nekit1000@gmail.com>, linux-arm-kernel@lists.infradead.org, Michael Scott <hashcode0f@gmail.com>, Sebastian Reichel <sre@kernel.org>, linux-omap@vger.kernel.org, Jarkko Nikula <jarkko.nikula@bitmer.com> Subject: Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver Date: Sun, 23 Dec 2018 12:10:59 +0100 [thread overview] Message-ID: <20181223111059.GB1936@amd> (raw) In-Reply-To: <20181223103315.GA1936@amd> [-- Attachment #1.1: Type: text/plain, Size: 2364 bytes --] 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. > > > > 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. > > > > 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 suspected it does not work in non-modular case, so I tried with > modules: > > 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# ... > ...do I need to make devices manually or some udev rules? > > user@devuan:~$ cat /proc/devices | grep motmdm > user@devuan:~$ cat /proc/devices | grep gnss > 242 gnss > user@devuan:~$ > > 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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [-- Attachment #1.2: Digital signature --] [-- Type: application/pgp-signature, Size: 181 bytes --] [-- Attachment #2: Type: text/plain, Size: 176 bytes --] _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2018-12-23 11:11 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-12-17 0:44 WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver Tony Lindgren 2018-12-17 0:44 ` Tony Lindgren 2018-12-18 12:46 ` Pavel Machek 2018-12-18 12:46 ` Pavel Machek 2018-12-18 15:36 ` Tony Lindgren 2018-12-18 15:36 ` Tony Lindgren 2018-12-18 20:22 ` Pavel Machek 2018-12-18 20:22 ` Pavel Machek 2018-12-18 21:53 ` Tony Lindgren 2018-12-18 21:53 ` Tony Lindgren 2019-01-16 13:48 ` Pavel Machek 2019-01-16 13:48 ` Pavel Machek 2019-01-17 2:54 ` Tony Lindgren 2019-01-17 2:54 ` Tony Lindgren 2019-01-17 12:51 ` Pavel Machek 2019-01-17 12:51 ` Pavel Machek 2018-12-22 23:05 ` Pavel Machek 2018-12-22 23:05 ` Pavel Machek 2018-12-23 10:33 ` Pavel Machek 2018-12-23 10:33 ` Pavel Machek 2018-12-23 11:10 ` Pavel Machek [this message] 2018-12-23 11:10 ` Pavel Machek 2018-12-23 15:51 ` Tony Lindgren 2018-12-23 15:51 ` Tony Lindgren 2018-12-23 19:59 ` Pavel Machek 2018-12-23 19:59 ` Pavel Machek 2018-12-26 21:16 ` Pavel Machek 2018-12-26 21:16 ` Pavel Machek 2018-12-27 10:16 ` Pavel Machek 2018-12-27 10:16 ` Pavel Machek 2018-12-28 19:31 ` Tony Lindgren 2018-12-28 19:31 ` Tony Lindgren 2018-12-28 20:46 ` Pavel Machek 2018-12-28 20:46 ` Pavel Machek 2018-12-28 22:28 ` Tony Lindgren 2018-12-28 22:28 ` Tony Lindgren 2018-12-28 23:25 ` Pavel Machek 2018-12-28 23:25 ` Pavel Machek 2018-12-28 23:34 ` Tony Lindgren 2018-12-28 23:34 ` Tony Lindgren 2018-12-31 22:20 ` Tony Lindgren 2018-12-31 22:20 ` Tony Lindgren 2019-01-16 13:58 ` Pavel Machek 2019-01-16 13:58 ` Pavel Machek 2019-01-16 14:59 ` Tony Lindgren 2019-01-16 14:59 ` Tony Lindgren 2019-01-16 15:09 ` Tony Lindgren 2019-01-16 15:09 ` Tony Lindgren 2019-01-16 23:06 ` Pavel Machek 2019-01-16 23:06 ` Pavel Machek
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