linux-kernel - Re: [PATCH v4 0/1] Digiteq Automotive MGB4 driver

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Message-ID: <Y59iurFF9CM21p7o@duo.ucw.cz>
Date:   Sun, 18 Dec 2022 19:58:02 +0100
From:   Pavel Machek <pavel@....cz>
To:     tumic@...see.org
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lizhi Hou <lizhi.hou@....com>,
        Martin Tůma <martin.tuma@...iteqautomotive.com>
Subject: Re: [PATCH v4 0/1] Digiteq Automotive MGB4 driver

Hi!

> From: Martin Tůma <martin.tuma@...iteqautomotive.com>
> 
> Hi,
> This patch adds a driver for the Digiteq Automotive MGB4 grabber card.
> MGB4 is a modular frame grabber PCIe card for automotive video interfaces
> (FPD-Link and GMSL for now). It is based on a Xilinx FPGA and uses their
> XDMA IP core for DMA transfers. Additionally, Xilinx I2C and SPI IP cores
> which already have drivers in linux are used in the design.
> 
> The driver is a quite standard v4l2 driver, with one exception - there are
> a lot of sysfs options that may/must be set before opening the v4l2 device
> to adapt the card on a specific signal (see mgb4.rst for details)
> as the card must be able to work with various signal sources (or displays)
> that can not be auto-detected.

Uff, that's "interesting". What kind of platform does this run on? You
should be getting non-probeable parameters from deice tree (or APCI).

Best regards,
								Pavel
								
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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