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$Id: README.icn,v 1.1.1.1 2004-04-15 02:32:25 phoenix Exp $
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You can get the ICN-ISDN-card from:
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Thinking Objects Software GmbH
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Versbacher Röthe 159
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97078 Würzburg
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Tel: +49 931 2877950
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Fax: +49 931 2877951
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email info@think.de
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WWW http:/www.think.de
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The card communicates with the PC by two interfaces:
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1. A range of 4 successive port-addresses, whose base address can be
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configured with the switches.
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2. A memory window with 16KB-256KB size, which can be setup in 16k steps
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over the whole range of 16MB. Isdn4linux only uses a 16k window.
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The base address of the window can be configured when loading
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the lowlevel-module (see README). If using more than one card,
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all cards are mapped to the same window and activated as needed.
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Setting up the IO-address dipswitches for the ICN-ISDN-card:
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Two types of cards exist, one with dip-switches and one with
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hook-switches.
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1. Setting for the card with hook-switches:
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(0 = switch closed, 1 = switch open)
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S3 S2 S1 Base-address
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1 0 0 0x340
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1 0 1 0x350
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1 1 0 0x360
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1 1 1 NOT ALLOWED!
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2. Setting for the card with dip-switches:
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(0 = switch closed, 1 = switch open)
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S1 S2 S3 S4 Base-Address
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1 0 0 0 0x308
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1 0 0 1 0x318
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1 0 1 0 0x328
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1 0 1 1 0x338
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1 1 0 0 0x348
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1 1 0 1 0x358
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1 1 1 0 0x368
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1 1 1 1 NOT ALLOWED!
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The ICN driver may be built into the kernel or as a module. Initialization
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depends on how the driver is built:
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Driver built into the kernel:
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The ICN driver can be configured using the commandline-feature while
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loading the kernel with LILO or LOADLIN. It accepts the following syntax:
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icn=p,m[,idstring1[,idstring2]]
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where
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p = portbase (default: 0x320)
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m = shared memory (default: 0xd0000)
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When using the ICN double card (4B), you MUST define TWO idstrings.
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idstring must start with a character! There is no way for the driver
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to distinguish between a 2B and 4B type card. Therefore, by supplying
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TWO idstrings, you tell the driver that you have a 4B installed.
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If you like to use more than one card, you can use the program
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"icnctrl" from the utility-package to configure additional cards.
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You need to configure shared memory only once, since the icn-driver
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maps all cards into the same address-space.
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Using the "icnctrl"-utility, portbase and shared memory can also be
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changed during runtime.
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The D-channel protocol is configured by loading different firmware
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into the card's memory using the "icnctrl"-utility.
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Driver built as module:
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The module icn.o can be configured during "insmod'ing" it by
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appending its parameters to the insmod-commandline. The following
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syntax is accepted:
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portbase=p membase=m icn_id=idstring [icn_id2=idstring2]
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where p, m, idstring1 and idstring2 have the same meanings as the
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parameters described for the kernel-version above.
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When using the ICN double card (4B), you MUST define TWO idstrings.
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idstring must start with a character! There is no way for the driver
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to distinguish between a 2B and 4B type card. Therefore, by supplying
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TWO idstrings, you tell the driver that you have a 4B installed.
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Using the "icnctrl"-utility, the same features apply to the modularized
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version like to the kernel-builtin one.
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The D-channel protocol is configured by loading different firmware
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into the card's memory using the "icnctrl"-utility.
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Loading the firmware into the card:
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The firmware is supplied together with the isdn4k-utils package. It
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can be found in the subdirectory icnctrl/firmware/
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There are 3 files:
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loadpg.bin - Image of the bootstrap loader.
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pc_1t_ca.bin - Image of firmware for german 1TR6 protocol.
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pc_eu_ca.bin - Image if firmware for EDSS1 (Euro-ISDN) protocol.
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Assuming you have installed the utility-package correctly, the firmware
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will be downloaded into the 2B-card using the following command:
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icnctrl -d Idstring load /etc/isdn/loadpg.bin /etc/isdn/pc_XX_ca.bin
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where XX is either "1t" or "eu", depending on the D-Channel protocol
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used on your S0-bus and Idstring is the Name of the card, given during
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insmod-time or (for kernel-builtin driver) on the kernel commandline.
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To load a 4B-card, the same command is used, except a second firmware
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file is appended to the commandline of icnctrl.
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-> After downloading firmware, the two LEDs at the back cover of the card
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(ICN-4B: 4 LEDs) must be blinking intermittently now. If a connection
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is up, the corresponding led is lit continuously.
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For further documentation (adding more ICN-cards), refer to the manpage
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icnctrl.8 which is included in the isdn4k-utils package.
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