From mboxrd@z Thu Jan  1 00:00:00 1970
From: sean <seandarcy2@gmail.com>
Date: Mon, 22 May 2006 17:10:56 +0000
Subject: udev rule for a 1394 port on a video card?
Message-Id: <e4srb1$f45$1@sea.gmane.org>
List-Id: <linux-hotplug.vger.kernel.org>
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To: linux-hotplug@vger.kernel.org

I have a radeon dv video card, that has an ieee1394 port. 
The kernel finds it:

dmesg | grep 1394
ieee1394: Initialized config rom entry `ip1394'
ohci1394: fw-host0: OHCI-1394 1.0 (PCI): IRQ=[193] 
MMIO=[f5000000-f50007ff]  Max Packet=[2048]  IR/IT 
contexts=[8/8]
ieee1394: Host added: ID:BUS[0-00:1023]  GUID[0006bb0016051a55]


  I'm trying to create /dev/dv1394 , raw1394.

udev appears to find the port:

udevtrigger --verbose | grep 1394
/sys/bus/ieee1394/devices/0006bb0016051a55-0
/sys/bus/ieee1394/devices/0006bb0016051a55
/sys/bus/ieee1394/devices/fw-host0
/sys/class/ieee1394/0006bb0016051a55-0
/sys/class/ieee1394_node/0006bb0016051a55
/sys/class/ieee1394_host/fw-host0

but neither dv1394 or raw1394 are created, and I can't 
figure out what devices are created.

find /dev -name "*1394*" returns nil.

ohci1394 and ieee1394 drivers ( but not raw1394 ) are loaded:

lsmod | grep 1394
ohci1394               71961  0
ieee1394              411865  1 ohci1394

So I used udevinfo to create some rules:

cat /etc/udev/rules.d/09-ieee1394.rules
KERNEL="fw-host0" , SYMLINK="dv1394"

BUS="ieee1394" , SYSFS{vendor_name_kv}="Linux - ohci1394", 
SYSFS{vendor_oui}="ATI Technologies Inc.", NAME="%k", 
SYMLINK="dv1394"

ran udevtrigger again. Still no dv1394.

How do I get dv1394 created? How do I get the raw1394 loaded?


FWIW:

  udevinfo -a -p /sys/class/ieee1394_host/fw-host0
.............................
   looking at device '/class/ieee1394_host/fw-host0':
     KERNEL="fw-host0"
     SUBSYSTEM="ieee1394_host"

   looking at device 
'/devices/pci0000:00/0000:00:0b.0/0000:01:00.1/0000:02:00.0/fw-host0':
     ID="fw-host0"
     BUS="ieee1394"
     DRIVER=""
     SYSFS{is_busmgr}="0"
     SYSFS{is_irm}="1"
     SYSFS{is_cycmst}="1"
     SYSFS{is_root}="1"
     SYSFS{in_bus_reset}="0"
     SYSFS{nodes_active}="1"
     SYSFS{selfid_count}="1"
     SYSFS{node_count}="1"

   looking at device 
'/devices/pci0000:00/0000:00:0b.0/0000:01:00.1/0000:02:00.0':
     ID="0000:02:00.0"
     BUS="pci"
     DRIVER="ohci1394"
 
SYSFS{modalias}="pci:v000011C1d00005811sv00001002sd00005811bc0Csc00i10"
 
SYSFS{local_cpus}="00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001"
     SYSFS{irq}="193"
     SYSFS{class}="0x0c0010"
     SYSFS{subsystem_device}="0x5811"
     SYSFS{subsystem_vendor}="0x1002"
     SYSFS{device}="0x5811"
     SYSFS{vendor}="0x11c1"

   looking at device 
'/devices/pci0000:00/0000:00:0b.0/0000:01:00.1':
     ID="0000:01:00.1"
     BUS="pci"
     DRIVER=""
 
SYSFS{modalias}="pci:v00001002d00004243sv00000000sd00000000bc06sc04i00"
 
SYSFS{local_cpus}="00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001"
     SYSFS{irq}="0"
     SYSFS{class}="0x060400"
     SYSFS{subsystem_device}="0x0000"
     SYSFS{subsystem_vendor}="0x0000"
     SYSFS{device}="0x4243"
     SYSFS{vendor}="0x1002"
................


sean



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