190 lines
7.6 KiB
Plaintext
190 lines
7.6 KiB
Plaintext
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Comtrol(tm) RocketPort(R)/RocketModem(TM) Series
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Device Driver for the Linux Operating System
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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PRODUCT OVERVIEW
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----------------
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This driver provides a loadable kernel driver for the Comtrol RocketPort
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and RocketModem PCI boards. These boards provide, 2, 4, 8, 16, or 32
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high-speed serial ports or modems. This driver supports up to a combination
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of four RocketPort or RocketModems boards in one machine simultaneously.
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This file assumes that you are using the RocketPort driver which is
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integrated into the kernel sources.
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The driver can also be installed as an external module using the usual
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"make;make install" routine. This external module driver, obtainable
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from the Comtrol website listed below, is useful for updating the driver
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or installing it into kernels which do not have the driver configured
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into them. Installations instructions for the external module
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are in the included README and HW_INSTALL files.
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RocketPort ISA and RocketModem II PCI boards currently are only supported by
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this driver in module form.
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The RocketPort ISA board requires I/O ports to be configured by the DIP
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switches on the board. See the section "ISA Rocketport Boards" below for
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information on how to set the DIP switches.
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You pass the I/O port to the driver using the following module parameters:
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board1 : I/O port for the first ISA board
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board2 : I/O port for the second ISA board
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board3 : I/O port for the third ISA board
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board4 : I/O port for the fourth ISA board
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There is a set of utilities and scripts provided with the external driver
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( downloadable from http://www.comtrol.com ) that ease the configuration and
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setup of the ISA cards.
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The RocketModem II PCI boards require firmware to be loaded into the card
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before it will function. The driver has only been tested as a module for this
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board.
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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INSTALLATION PROCEDURES
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-----------------------
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RocketPort/RocketModem PCI cards require no driver configuration, they are
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automatically detected and configured.
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The RocketPort driver can be installed as a module (recommended) or built
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into the kernel. This is selected, as for other drivers, through the `make config`
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command from the root of the Linux source tree during the kernel build process.
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The RocketPort/RocketModem serial ports installed by this driver are assigned
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device major number 46, and will be named /dev/ttyRx, where x is the port number
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starting at zero (ex. /dev/ttyR0, /devttyR1, ...). If you have multiple cards
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installed in the system, the mapping of port names to serial ports is displayed
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in the system log at /var/log/messages.
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If installed as a module, the module must be loaded. This can be done
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manually by entering "modprobe rocket". To have the module loaded automatically
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upon system boot, edit the /etc/modprobe.conf file and add the line
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"alias char-major-46 rocket".
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In order to use the ports, their device names (nodes) must be created with mknod.
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This is only required once, the system will retain the names once created. To
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create the RocketPort/RocketModem device names, use the command
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"mknod /dev/ttyRx c 46 x" where x is the port number starting at zero. For example:
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>mknod /dev/ttyR0 c 46 0
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>mknod /dev/ttyR1 c 46 1
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>mknod /dev/ttyR2 c 46 2
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The Linux script MAKEDEV will create the first 16 ttyRx device names (nodes)
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for you:
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>/dev/MAKEDEV ttyR
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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ISA Rocketport Boards
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---------------------
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You must assign and configure the I/O addresses used by the ISA Rocketport
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card before installing and using it. This is done by setting a set of DIP
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switches on the Rocketport board.
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SETTING THE I/O ADDRESS
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-----------------------
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Before installing RocketPort(R) or RocketPort RA boards, you must find
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a range of I/O addresses for it to use. The first RocketPort card
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requires a 68-byte contiguous block of I/O addresses, starting at one
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of the following: 0x100h, 0x140h, 0x180h, 0x200h, 0x240h, 0x280h,
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0x300h, 0x340h, 0x380h. This I/O address must be reflected in the DIP
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switches of *all* of the Rocketport cards.
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The second, third, and fourth RocketPort cards require a 64-byte
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contiguous block of I/O addresses, starting at one of the following
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I/O addresses: 0x100h, 0x140h, 0x180h, 0x1C0h, 0x200h, 0x240h, 0x280h,
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0x2C0h, 0x300h, 0x340h, 0x380h, 0x3C0h. The I/O address used by the
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second, third, and fourth Rocketport cards (if present) are set via
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software control. The DIP switch settings for the I/O address must be
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set to the value of the first Rocketport cards.
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In order to distinguish each of the card from the others, each card
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must have a unique board ID set on the dip switches. The first
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Rocketport board must be set with the DIP switches corresponding to
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the first board, the second board must be set with the DIP switches
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corresponding to the second board, etc. IMPORTANT: The board ID is
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the only place where the DIP switch settings should differ between the
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various Rocketport boards in a system.
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The I/O address range used by any of the RocketPort cards must not
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conflict with any other cards in the system, including other
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RocketPort cards. Below, you will find a list of commonly used I/O
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address ranges which may be in use by other devices in your system.
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On a Linux system, "cat /proc/ioports" will also be helpful in
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identifying what I/O addresses are being used by devices on your
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system.
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Remember, the FIRST RocketPort uses 68 I/O addresses. So, if you set it
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for 0x100, it will occupy 0x100 to 0x143. This would mean that you
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CAN NOT set the second, third or fourth board for address 0x140 since
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the first 4 bytes of that range are used by the first board. You would
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need to set the second, third, or fourth board to one of the next available
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blocks such as 0x180.
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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RocketPort and RocketPort RA SW1 Settings:
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+-------------------------------+
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| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
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+-------+-------+---------------+
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| Unused| Card | I/O Port Block|
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+-------------------------------+
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DIP Switches DIP Switches
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7 8 6 5
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=================== ===================
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On On UNUSED, MUST BE ON. On On First Card <==== Default
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On Off Second Card
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Off On Third Card
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Off Off Fourth Card
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DIP Switches I/O Address Range
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4 3 2 1 Used by the First Card
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=====================================
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On Off On Off 100-143
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On Off Off On 140-183
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On Off Off Off 180-1C3 <==== Default
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Off On On Off 200-243
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Off On Off On 240-283
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Off On Off Off 280-2C3
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Off Off On Off 300-343
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Off Off Off On 340-383
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Off Off Off Off 380-3C3
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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REPORTING BUGS
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--------------
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For technical support, please provide the following
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information: Driver version, kernel release, distribution of
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kernel, and type of board you are using. Error messages and log
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printouts port configuration details are especially helpful.
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USA
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Phone: (612) 494-4100
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FAX: (612) 494-4199
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email: support@comtrol.com
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Comtrol Europe
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Phone: +44 (0) 1 869 323-220
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FAX: +44 (0) 1 869 323-211
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email: support@comtrol.co.uk
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Web: http://www.comtrol.com
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FTP: ftp.comtrol.com
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