From: Pavel Machek <pavel@ucw.cz>
To: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: "Johan Hovold" <johan@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
DTML <devicetree@vger.kernel.org>,
"Discussions about the Letux Kernel"
<letux-kernel@openphoenux.org>,
"Benoît Cousson" <bcousson@baylibre.com>,
"Arnd Bergmann" <arnd@arndb.de>,
"Tony Lindgren" <tony@atomide.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
kernel@pyra-handheld.com, "Russell King" <linux@armlinux.org.uk>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
linux-omap <linux-omap@vger.kernel.org>,
"Rob Herring" <robh+dt@kernel.org>,
"Linux ARM" <linux-arm-kernel@lists.infradead.org>,
"Kevin Hilman" <khilman@baylibre.com>,
"Thierry Reding" <treding@nvidia.com>,
"Andreas Färber" <afaerber@suse.de>,
"Jonathan Cameron" <jic23@kernel.org>
Subject: Re: [Letux-kernel] [PATCH v5 3/5] misc serdev: Add w2sg0004 (gps receiver) power control driver
Date: Mon, 26 Mar 2018 15:59:20 +0200 [thread overview]
Message-ID: <20180326135920.GA1450@amd> (raw)
In-Reply-To: <FCD404C1-3DD4-45BD-9242-3F7A7C44F6C9@goldelico.com>
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Hi!
> > No, we need some kind of at least rudimentary gps framework even if we
> > allow for a raw (NMEA) interface for the time being (possibly
> > indefinitely).
>
> Ok, that would be fine if we can get that!
>
> For a minimal set of API I think something like this (following hci_dev) would suffice:
>
> struct gps_dev {
> ...
> int (*open)(struct gps_dev *gdev);
> int (*close)(struct gps_dev *gdev);
> int (*send)(struct gps_dev *gdev, char *data, int length);
> };
>
> int gps_register_dev(struct gps_dev *gdev);
> void gps_unregister_dev(struct gps_dev *gdev);
> int gps_recv_nmea_chars(struct gps_dev *gdev, char *data, int length);
>
> If that would wrap all creation of some /dev/ttyGPS0 (or however it is called),
> it would fit our needs for a driver and user-space for our system.
>
> And I would be happy to get rid of creating and registering a /dev/ttyGPS0
> in the w2sg0004 driver.
Sounds like a good start.
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2018-03-26 13:59 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-01 7:49 [PATCH v5 0/5] misc serdev: new serdev based driver for Wi2Wi w2sg00x4 GPS module H. Nikolaus Schaller
2017-12-01 7:49 ` [PATCH v5 1/5] dt-bindings: define vendor prefix for Wi2Wi, Inc H. Nikolaus Schaller
2017-12-01 14:44 ` Andreas Färber
2017-12-01 7:49 ` [PATCH v5 2/5] dt-bindings: gps: add w2sg00x4 bindings documentation (GPS module with UART)) H. Nikolaus Schaller
2017-12-01 7:49 ` [PATCH v5 3/5] misc serdev: Add w2sg0004 (gps receiver) power control driver H. Nikolaus Schaller
2017-12-22 12:44 ` Johan Hovold
2017-12-22 14:40 ` H. Nikolaus Schaller
2018-01-09 11:55 ` [Letux-kernel] " H. Nikolaus Schaller
2018-01-12 15:39 ` Johan Hovold
2018-01-12 17:59 ` H. Nikolaus Schaller
2018-01-18 6:13 ` Johan Hovold
2018-01-18 13:43 ` H. Nikolaus Schaller
2018-03-07 15:53 ` H. Nikolaus Schaller
2018-03-19 14:05 ` Johan Hovold
2018-02-12 15:26 ` [Letux-kernel] " Pavel Machek
2018-02-27 7:04 ` Johan Hovold
2018-02-27 7:32 ` H. Nikolaus Schaller
2018-03-19 13:54 ` Johan Hovold
2018-03-20 14:49 ` H. Nikolaus Schaller
2018-03-26 13:59 ` Pavel Machek [this message]
2018-02-27 18:38 ` Pavel Machek
2018-02-12 15:25 ` Pavel Machek
2018-01-09 17:43 ` Andreas Kemnade
2018-01-12 14:46 ` Johan Hovold
2018-01-12 18:40 ` Andreas Kemnade
2018-01-18 6:47 ` Johan Hovold
2018-03-08 6:16 ` Andreas Kemnade
2018-03-19 14:02 ` Johan Hovold
2017-12-01 7:49 ` [PATCH v5 4/5] DTS: gta04: add uart2 child node for w2sg00x4 H. Nikolaus Schaller
2017-12-21 14:53 ` Tony Lindgren
2017-12-01 7:49 ` [PATCH v5 5/5] misc serdev: w2sg0004: add debugging code and Kconfig H. Nikolaus Schaller
2017-12-22 12:51 ` Johan Hovold
2017-12-22 14:41 ` H. Nikolaus Schaller
2017-12-22 14:58 ` Greg Kroah-Hartman
2017-12-18 8:52 ` [PATCH v5 0/5] misc serdev: new serdev based driver for Wi2Wi w2sg00x4 GPS module H. Nikolaus Schaller
2017-12-18 14:48 ` Greg Kroah-Hartman
2017-12-18 14:52 ` H. Nikolaus Schaller
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