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Old 08-20-2008, 04:23 PM
annonygmouse
 
Default Driver for Apple USB modem 05ac:1401

Hi, I'm using a MacBookPro laptop with debian sid on it.

Unfortunatelly it has no MODEM (PSTN) and during hollidays I needed one.
The bad luck is that I read on an Ubuntu forum about the modem and that
it worked, but I missread, they refered to an internal modem, not the
USB one.


So I have now this useless (in linux, on MacOSX it works) usb modem.

lsusb shows:
Bus 001 Device 005: ID 05ac:1401 Apple, Inc.

so it detects it as an Apple thing, but shows nothing more...

And here's the relevant part of "cat /proc/bus/usb/devices"

T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=ff(vend.) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=05ac ProdID=1401 Rev= 2.02
S: Manufacturer=Motorola, Inc.
S: Product=Apple USB Modem
S: SerialNumber=000000
C:* #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr= 50mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=03 Prot=00 Driver=(none)
E: Ad=81(I) Atr=03(Int.) MxPS= 11 Ivl=1ms
I:* If#= 1 Alt= 0 #EPs= 0 Cls=ff(vend.) Sub=02 Prot=ff Driver=(none)
I:* If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=(none)
I:* If#= 3 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=(none)
I: If#= 3 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=(none)
E: Ad=82(I) Atr=25(Isoc) MxPS= 24 Ivl=1ms
I:* If#= 4 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=(none)
I: If#= 4 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=(none)
E: Ad=03(O) Atr=05(Isoc) MxPS= 24 Ivl=1ms
I:* If#= 5 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none)


I've googled and found nothing about this modem working in linux.
I contacted Greg KH and he told me it should work with the kernel module
cdc-acm.


I've tried to modprobe cdc-acm but I can't see any /dev/ttyACM or
anything similar. So I presume the module does not work for this modem.


Furthermore, when I plug the modem dmesg shows this:
usb 1-1: new full speed USB device using uhci_hcd and address 5
usb 1-1: configuration #1 chosen from 1 choice
usbcore: registered new interface driver snd-usb-audio

but does not load the cdc-acm module.
I try to modprobe it and dmesg shows:
usbcore: registered new interface driver cdc_acm
drivers/usb/class/cdc-acm.c: v0.25:USB Abstract Control Model driver for
USB modems and ISDN adapters


but I find nothing under /dev that may be of use (no /dev/ttyACM0 or
/dev/cuaXX...


Any help will be appreciated.

Sebastią



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Old 08-22-2008, 05:39 PM
Florian Kulzer
 
Default Driver for Apple USB modem 05ac:1401

On Wed, Aug 20, 2008 at 18:23:44 +0200, annonygmouse wrote:
>
> Hi, I'm using a MacBookPro laptop with debian sid on it.
>
> Unfortunatelly it has no MODEM (PSTN) and during hollidays I needed one.
> The bad luck is that I read on an Ubuntu forum about the modem and that
> it worked, but I missread, they refered to an internal modem, not the
> USB one.
>
> So I have now this useless (in linux, on MacOSX it works) usb modem.
>
> lsusb shows:
> Bus 001 Device 005: ID 05ac:1401 Apple, Inc.
>
> so it detects it as an Apple thing, but shows nothing more...
>
> And here's the relevant part of "cat /proc/bus/usb/devices"
>
> T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=12 MxCh= 0
> D: Ver= 2.00 Cls=ff(vend.) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
> P: Vendor=05ac ProdID=1401 Rev= 2.02
> S: Manufacturer=Motorola, Inc.
> S: Product=Apple USB Modem
> S: SerialNumber=000000
> C:* #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr= 50mA
> I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=03 Prot=00 Driver=(none)

I think this is the problem: AFAIK, the kind of modem that is supported
by cdc-acm should have Class 02, Subclass 02, Protocol between 01 and
06. This Apple device does not seem to identify itself as USB_CDC_SUBCLASS_ACM.
(I do not know what Subclass 03 is.)

[...]

> I've googled and found nothing about this modem working in linux.
> I contacted Greg KH and he told me it should work with the kernel module
> cdc-acm.

Did you send the above output to Greg KH? Did he comment on the Sub=03
issue?

> I've tried to modprobe cdc-acm but I can't see any /dev/ttyACM or
> anything similar. So I presume the module does not work for this modem.

Does this modem maybe have different modes of operation, can it be
configured by a switch or by an Apple-specific configuration program to
be ACM compatible?

--
Regards, | http://users.icfo.es/Florian.Kulzer
Florian |


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Old 08-23-2008, 08:44 PM
Ssebastia annonygmouse
 
Default Driver for Apple USB modem 05ac:1401

--- Florian Kulzer <florian.kulzer+debian@icfo.es>
wrote:

> On Wed, Aug 20, 2008 at 18:23:44 +0200, annonygmouse
> wrote:
> >
> > Hi, I'm using a MacBookPro laptop with debian sid
> on it.
> >
> > Unfortunatelly it has no MODEM (PSTN) and during
> hollidays I needed one.
> > The bad luck is that I read on an Ubuntu forum
> about the modem and that
> > it worked, but I missread, they refered to an
> internal modem, not the
> > USB one.
> >
> > So I have now this useless (in linux, on MacOSX it
> works) usb modem.
> >
> > lsusb shows:
> > Bus 001 Device 005: ID 05ac:1401 Apple, Inc.
> >
> > so it detects it as an Apple thing, but shows
> nothing more...
> >
> > And here's the relevant part of "cat
> /proc/bus/usb/devices"
> >
> > T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5
> Spd=12 MxCh= 0
> > D: Ver= 2.00 Cls=ff(vend.) Sub=00 Prot=00 MxPS=64
> #Cfgs= 1
> > P: Vendor=05ac ProdID=1401 Rev= 2.02
> > S: Manufacturer=Motorola, Inc.
> > S: Product=Apple USB Modem
> > S: SerialNumber=000000
> > C:* #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr= 50mA
> > I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=03
> Prot=00 Driver=(none)
>
> I think this is the problem: AFAIK, the kind of
> modem that is supported
> by cdc-acm should have Class 02, Subclass 02,
> Protocol between 01 and
> 06. This Apple device does not seem to identify
> itself as USB_CDC_SUBCLASS_ACM.
> (I do not know what Subclass 03 is.)
>
> [...]
>
> > I've googled and found nothing about this modem
> working in linux.
> > I contacted Greg KH and he told me it should work
> with the kernel module
> > cdc-acm.
>
> Did you send the above output to Greg KH? Did he
> comment on the Sub=03
> issue?

Yes, Greg asked me for this output and I sent it to
him, this way he told me it should work with the
cdc-acm module, but no, he said nothing about the
Sub=03 issue...

>
> > I've tried to modprobe cdc-acm but I can't see any
> /dev/ttyACM or
> > anything similar. So I presume the module does not
> work for this modem.
>
> Does this modem maybe have different modes of
> operation, can it be
> configured by a switch or by an Apple-specific
> configuration program to
> be ACM compatible?

I've got no idea, I don't know that much about the
inners of
any modem driver/mode.... That's why I asked for help
:O.
I'm not that knowleageble of drivers and such...

PS: I add Greg to the CC, in case he missed the Sub=03
thing.

In case it where so "easy" as to add the "Sub=03"
somewhere,
where should it be added? HAL? The kernel?

Thanks for your help!

Sebastią

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