11c11040 modem chipset instructions

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Jacques
    Please put the attached in the folder
http://linmodems.technion.ac.il/packages/ltmodem/11c11040/
It describes the origins of the supportive resources, installation
modes and current status.

It will also be embedded in scanModem, for output when a 11c11040
chipset is detected.
But if it should not be exported by scanModem when appropriate, it
should suffice to direct the Inquirer to
http://linmodems.technion.ac.il/packages/ltmodem/11c11040/

MarvS
At this time (June 2008) the only source of 11c11040 drivers we are aware of is through the chinese Red Flag Linux
distribution, http://www.redflag-linux.com/eindex.html, in support of a Compaq laptop with the 11c11040 modem chip:
http://www.redflag-linux.com/ppd/product_user/hp/show_model.php?model=HP%20Compaq%206510b 
These drivers are ONLY functional with the Red Flag 2.6.21.0-22 kernel+modules set. See historical information below.

To effectively use the following information, your System likely has to be upgraded to the 2.6.22 or later kernel levels.
Otherwise auxilliary support expected by the 2.6.21.0-22 may not be current enough.  Cogent resources reside at
http://linmodems.technion.ac.il/packages/ltmodem/11c11040/  and are updated as new information arises. 
The Vendor 11c1 , Device 1040 chip resides on the Subsystems of several High Definition Audio cards. 

Contents of this folder are:
-----------------
11c11040.txt  -  This instructional text. 

kernel-2.6.21.0-22.i686.rpm is the 2.6.21.0-22 kernel+module package, compiled for CPU i586 support but also i686 compatible.
	It should install smoothly on some RPM using systems, particularly Fedora derivatives like Red Flag Linux.
	On a Mandriva Linux system, there was a failure to create the needed initial bootup RAM disk.

agere-driver-1.0-10dd.i386.rpm - Only for a PC with kernel-2.6.21.0-22,
        # rpm -i  agere-driver-1.0-10dd.i386.rpm
        installs drivers agrmodem + agrserial plus modem setup scripts, which run at boot.

agere-driver-1.0-10dd.txt - details contents of the agere-driver-1.0-10dd.i386.rpm

hda-2.6.21.0-22.tar.gz - the separately packaged agrmodem.ko + agrserial.ko drivers 
        Suitable for use ONLY on a PC with kernel-2.6.21.0-22 + modules

linux-image-2.6.21.0-22_2.6.21.0-22_i386.deb is a Debianized variant of the kernel-2.6.21.0-22.i686.rpm installer.
        but including agrmodem.ko + agrserial.ko at /lib/modules/2.6.21.0-22/extra/ .  Install on Ubuntu like Systems with
        $ sudo dpkg -i linux*.deb
        or otherwise with Root premissions
        # dpkg -i linux*.deb
        Reboot using the new 2.6.21.0-22

agrsm_howto.txt provides instructions for modem testing and setup. 
	Start at 1) since driver compilation is not necessary 

Background information
-----------------------
There is a success on an otherwise Ubuntu Hardy host, with 2.6.24 series kernel and i686 CPU,
using the Debianized package
There is a failure on a comparable AMD x86_64 motherboard system, probably because of CPU incompatability.

Vendor 11c1 was initially assigned to Lucent Technologies, inherited by its descendant Agere Systems Inc,
and most recently by LSI Inc, which absorbed Agere Systems.  Their device 1040 is a soft modem chip, in Linux
shorthand, 11c11040.  It is hosted on Subsystems of a variety of High Definition Audio (HDA) cards.
Many other modem chips on HDA cards are specilizations of a base Silicon Instruments Si3054 chip.  They do 
have support through the ALSA (Advanced Linux Sound Architecture) driver snd-hda-intel, plus a slmodemd utility. 
However 11c11040 is a pure LSI product and as yet has not acquired support through the snd-hda-intel driver.

LSI has provided a code package for common support of 11c1:0620, 11c1:048(c,d) chipsets, designated agrsm.
It provides resources for compiling a modular driver pair, agrmodem.ko and agrserial.ko . 

Following typical practice for LSI/Agere_Systems, Linux code is only developer for their modems when some
major chip buyer sponsors the coding work. Many Vendor 11c1 modem chipsets have thus acquired support under Linux.
The Red Flag agere-driver-1.0-10dd.i386.rpm is the only support we are currently aware of for 11c11040 modem support,
to be used on a HP Compaq laptop: http://www.redflag-linux.com/ppd/product_user/hp/show_model.php?model=HP%20Compaq%206510b

Queries have been sent to both HP and Red Flag concerning possible expansion of support to other kernels.
But as of June 2008, there have been no responses,

Marvin Stodolsky
scanModem maintainer
22 June 2008

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