Re: [net-next-2.6 v2] can: add support for CAN interface cards based on the PLX90xx PCI bridge

Ira W. Snyder wrote:

On Mon, Feb 01, 2010 at 09:31:06PM +0100, Wolfgang Grandegger wrote:

quoted

Ira W. Snyder wrote:

quoted

On Tue, Feb 02, 2010 at 01:42:44AM +0600, Pavel B. Cheblakov wrote:

quoted

From: Pavel Cheblakov <redacted>

This driver is for CAN interface cards based on the PLX90xx PCI bridge.
Driver supports now:
 - Adlink PCI-7841/cPCI-7841 card (http://www.adlinktech.com/)
 - Adlink PCI-7841/cPCI-7841 SE card
 - Marathon CAN-bus-PCI card (http://www.marathon.ru/)
 - TEWS TECHNOLOGIES TPMC810 card (http://www.tews.com/)

Changes since v1:
 - Added some defines for static inline int plx_pci_check_sja1000(...)
 - static struct pci_device_id plx_pci_tbl[] replaced by
   static DEFINE_PCI_DEVICE_TABLE(plx_pci_tbl)
 - Typo fixed

Hello,

Any ideas if this driver could support the Janz PCI CAN cards as well? I
don't have any documentation for the cards, and I'd love to get away
from their closed-source drivers.

Is it a passive or and intelligent CAN PCI card? What is the name of the
card? A intelligent card will run its own firmware and you do not have
direct access to the SJA1000. Pavel plx_pci driver is quite generic and
it should not be a big deal to support a PLX90xx based passive card.

It is an intelligent CAN PCI card. I'm pretty sure they're the card
described here: http://www.janz.de/as/en/can-cp6/k2.html

Since this driver is for passive cards, it clearly won't work. Are there
any examples of drivers written for intelligent CAN cards? Until I found
the website above, I'd never seen any data sheets for this card. They
look like they may have enough information to write a driver to
interface with the new Linux CAN layer.

The esd_pci331 driver from the SVN repository is for an intelligent
card, if I remember correctly. But using an intelligent card just for
the raw CAN protocol seems kind of overkill to me.

We should probably start a new thread about this, it is getting
off-topic for Pavel's CAN driver. Is the socketcan mailing list ok for
this kind of discussion?

Of course, if it's about Socket-CAN.

Wolfgang.

Thanks,
Ira
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