Based on kernel version 3.6.1. Page generated on 2012-10-11 09:36 EST.
1 NOTE: This is an unmaintained driver. It is not guaranteed to work due to 2 changes made in the tty layer in 2.6. If you wish to take over maintenance of 3 this driver, contact Michael Warfield <mhw@wittsend.com>. 4 5 Changelog: 6 ---------- 7 11-01-2001: Original Document 8 9 10-29-2004: Minor misspelling & format fix, update status of driver. 10 James Nelson <james4765@gmail.com> 11 12 Computone Intelliport II/Plus Multiport Serial Driver 13 ----------------------------------------------------- 14 15 Release Notes For Linux Kernel 2.2 and higher. 16 These notes are for the drivers which have already been integrated into the 17 kernel and have been tested on Linux kernels 2.0, 2.2, 2.3, and 2.4. 18 19 Version: 1.2.14 20 Date: 11/01/2001 21 Historical Author: Andrew Manison <amanison@america.net> 22 Primary Author: Doug McNash 23 24 This file assumes that you are using the Computone drivers which are 25 integrated into the kernel sources. For updating the drivers or installing 26 drivers into kernels which do not already have Computone drivers, please 27 refer to the instructions in the README.computone file in the driver patch. 28 29 30 1. INTRODUCTION 31 32 This driver supports the entire family of Intelliport II/Plus controllers 33 with the exception of the MicroChannel controllers. It does not support 34 products previous to the Intelliport II. 35 36 This driver was developed on the v2.0.x Linux tree and has been tested up 37 to v2.4.14; it will probably not work with earlier v1.X kernels,. 38 39 40 2. QUICK INSTALLATION 41 42 Hardware - If you have an ISA card, find a free interrupt and io port. 43 List those in use with `cat /proc/interrupts` and 44 `cat /proc/ioports`. Set the card dip switches to a free 45 address. You may need to configure your BIOS to reserve an 46 irq for an ISA card. PCI and EISA parameters are set 47 automagically. Insert card into computer with the power off 48 before or after drivers installation. 49 50 Note the hardware address from the Computone ISA cards installed into 51 the system. These are required for editing ip2.c or editing 52 /etc/modprobe.d/*.conf, or for specification on the modprobe 53 command line. 54 55 Note that the /etc/modules.conf should be used for older (pre-2.6) 56 kernels. 57 58 Software - 59 60 Module installation: 61 62 a) Determine free irq/address to use if any (configure BIOS if need be) 63 b) Run "make config" or "make menuconfig" or "make xconfig" 64 Select (m) module for CONFIG_COMPUTONE under character 65 devices. CONFIG_PCI and CONFIG_MODULES also may need to be set. 66 c) Set address on ISA cards then: 67 edit /usr/src/linux/drivers/char/ip2.c if needed 68 or 69 edit config file in /etc/modprobe.d/ if needed (module). 70 or both to match this setting. 71 d) Run "make modules" 72 e) Run "make modules_install" 73 f) Run "/sbin/depmod -a" 74 g) install driver using `modprobe ip2 <options>` (options listed below) 75 h) run ip2mkdev (either the script below or the binary version) 76 77 78 Kernel installation: 79 80 a) Determine free irq/address to use if any (configure BIOS if need be) 81 b) Run "make config" or "make menuconfig" or "make xconfig" 82 Select (y) kernel for CONFIG_COMPUTONE under character 83 devices. CONFIG_PCI may need to be set if you have PCI bus. 84 c) Set address on ISA cards then: 85 edit /usr/src/linux/drivers/char/ip2.c 86 (Optional - may be specified on kernel command line now) 87 d) Run "make zImage" or whatever target you prefer. 88 e) mv /usr/src/linux/arch/x86/boot/zImage to /boot. 89 f) Add new config for this kernel into /etc/lilo.conf, run "lilo" 90 or copy to a floppy disk and boot from that floppy disk. 91 g) Reboot using this kernel 92 h) run ip2mkdev (either the script below or the binary version) 93 94 Kernel command line options: 95 96 When compiling the driver into the kernel, io and irq may be 97 compiled into the driver by editing ip2.c and setting the values for 98 io and irq in the appropriate array. An alternative is to specify 99 a command line parameter to the kernel at boot up. 100 101 ip2=io0,irq0,io1,irq1,io2,irq2,io3,irq3 102 103 Note that this order is very different from the specifications for the 104 modload parameters which have separate IRQ and IO specifiers. 105 106 The io port also selects PCI (1) and EISA (2) boards. 107 108 io=0 No board 109 io=1 PCI board 110 io=2 EISA board 111 else ISA board io address 112 113 You only need to specify the boards which are present. 114 115 Examples: 116 117 2 PCI boards: 118 119 ip2=1,0,1,0 120 121 1 ISA board at 0x310 irq 5: 122 123 ip2=0x310,5 124 125 This can be added to and "append" option in lilo.conf similar to this: 126 127 append="ip2=1,0,1,0" 128 129 130 3. INSTALLATION 131 132 Previously, the driver sources were packaged with a set of patch files 133 to update the character drivers' makefile and configuration file, and other 134 kernel source files. A build script (ip2build) was included which applies 135 the patches if needed, and build any utilities needed. 136 What you receive may be a single patch file in conventional kernel 137 patch format build script. That form can also be applied by 138 running patch -p1 < ThePatchFile. Otherwise run ip2build. 139 140 The driver can be installed as a module (recommended) or built into the 141 kernel. This is selected as for other drivers through the `make config` 142 command from the root of the Linux source tree. If the driver is built 143 into the kernel you will need to edit the file ip2.c to match the boards 144 you are installing. See that file for instructions. If the driver is 145 installed as a module the configuration can also be specified on the 146 modprobe command line as follows: 147 148 modprobe ip2 irq=irq1,irq2,irq3,irq4 io=addr1,addr2,addr3,addr4 149 150 where irqnum is one of the valid Intelliport II interrupts (3,4,5,7,10,11, 151 12,15) and addr1-4 are the base addresses for up to four controllers. If 152 the irqs are not specified the driver uses the default in ip2.c (which 153 selects polled mode). If no base addresses are specified the defaults in 154 ip2.c are used. If you are autoloading the driver module with kerneld or 155 kmod the base addresses and interrupt number must also be set in ip2.c 156 and recompile or just insert and options line in /etc/modprobe.d/*.conf or both. 157 The options line is equivalent to the command line and takes precedence over 158 what is in ip2.c. 159 160 config sample to put /etc/modprobe.d/*.conf: 161 options ip2 io=1,0x328 irq=1,10 162 alias char-major-71 ip2 163 alias char-major-72 ip2 164 alias char-major-73 ip2 165 166 The equivalent in ip2.c: 167 168 static int io[IP2_MAX_BOARDS]= { 1, 0x328, 0, 0 }; 169 static int irq[IP2_MAX_BOARDS] = { 1, 10, -1, -1 }; 170 171 The equivalent for the kernel command line (in lilo.conf): 172 173 append="ip2=1,1,0x328,10" 174 175 176 Note: Both io and irq should be updated to reflect YOUR system. An "io" 177 address of 1 or 2 indicates a PCI or EISA card in the board table. 178 The PCI or EISA irq will be assigned automatically. 179 180 Specifying an invalid or in-use irq will default the driver into 181 running in polled mode for that card. If all irq entries are 0 then 182 all cards will operate in polled mode. 183 184 If you select the driver as part of the kernel run : 185 186 make zlilo (or whatever you do to create a bootable kernel) 187 188 If you selected a module run : 189 190 make modules && make modules_install 191 192 The utility ip2mkdev (see 5 and 7 below) creates all the device nodes 193 required by the driver. For a device to be created it must be configured 194 in the driver and the board must be installed. Only devices corresponding 195 to real IntelliPort II ports are created. With multiple boards and expansion 196 boxes this will leave gaps in the sequence of device names. ip2mkdev uses 197 Linux tty naming conventions: ttyF0 - ttyF255 for normal devices, and 198 cuf0 - cuf255 for callout devices. 199 200 201 4. USING THE DRIVERS 202 203 As noted above, the driver implements the ports in accordance with Linux 204 conventions, and the devices should be interchangeable with the standard 205 serial devices. (This is a key point for problem reporting: please make 206 sure that what you are trying do works on the ttySx/cuax ports first; then 207 tell us what went wrong with the ip2 ports!) 208 209 Higher speeds can be obtained using the setserial utility which remaps 210 38,400 bps (extb) to 57,600 bps, 115,200 bps, or a custom speed. 211 Intelliport II installations using the PowerPort expansion module can 212 use the custom speed setting to select the highest speeds: 153,600 bps, 213 230,400 bps, 307,200 bps, 460,800bps and 921,600 bps. The base for 214 custom baud rate configuration is fixed at 921,600 for cards/expansion 215 modules with ST654's and 115200 for those with Cirrus CD1400's. This 216 corresponds to the maximum bit rates those chips are capable. 217 For example if the baud base is 921600 and the baud divisor is 18 then 218 the custom rate is 921600/18 = 51200 bps. See the setserial man page for 219 complete details. Of course if stty accepts the higher rates now you can 220 use that as well as the standard ioctls(). 221 222 223 5. ip2mkdev and assorted utilities... 224 225 Several utilities, including the source for a binary ip2mkdev utility are 226 available under .../drivers/char/ip2. These can be build by changing to 227 that directory and typing "make" after the kernel has be built. If you do 228 not wish to compile the binary utilities, the shell script below can be 229 cut out and run as "ip2mkdev" to create the necessary device files. To 230 use the ip2mkdev script, you must have procfs enabled and the proc file 231 system mounted on /proc. 232 233 234 6. NOTES 235 236 This is a release version of the driver, but it is impossible to test it 237 in all configurations of Linux. If there is any anomalous behaviour that 238 does not match the standard serial port's behaviour please let us know. 239 240 241 7. ip2mkdev shell script 242 243 Previously, this script was simply attached here. It is now attached as a 244 shar archive to make it easier to extract the script from the documentation. 245 To create the ip2mkdev shell script change to a convenient directory (/tmp 246 works just fine) and run the following command: 247 248 unshar Documentation/serial/computone.txt 249 (This file) 250 251 You should now have a file ip2mkdev in your current working directory with 252 permissions set to execute. Running that script with then create the 253 necessary devices for the Computone boards, interfaces, and ports which 254 are present on you system at the time it is run. 255 256 257 #!/bin/sh 258 # This is a shell archive (produced by GNU sharutils 4.2.1). 259 # To extract the files from this archive, save it to some FILE, remove 260 # everything before the `!/bin/sh' line above, then type `sh FILE'. 261 # 262 # Made on 2001-10-29 10:32 EST by <mhw@alcove.wittsend.com>. 263 # Source directory was `/home2/src/tmp'. 264 # 265 # Existing files will *not* be overwritten unless `-c' is specified. 266 # 267 # This shar contains: 268 # length mode name 269 # ------ ---------- ------------------------------------------ 270 # 4251 -rwxr-xr-x ip2mkdev 271 # 272 save_IFS="${IFS}" 273 IFS="${IFS}:" 274 gettext_dir=FAILED 275 locale_dir=FAILED 276 first_param="$1" 277 for dir in $PATH 278 do 279 if test "$gettext_dir" = FAILED && test -f $dir/gettext \ 280 && ($dir/gettext --version >/dev/null 2>&1) 281 then 282 set `$dir/gettext --version 2>&1` 283 if test "$3" = GNU 284 then 285 gettext_dir=$dir 286 fi 287 fi 288 if test "$locale_dir" = FAILED && test -f $dir/shar \ 289 && ($dir/shar --print-text-domain-dir >/dev/null 2>&1) 290 then 291 locale_dir=`$dir/shar --print-text-domain-dir` 292 fi 293 done 294 IFS="$save_IFS" 295 if test "$locale_dir" = FAILED || test "$gettext_dir" = FAILED 296 then 297 echo=echo 298 else 299 TEXTDOMAINDIR=$locale_dir 300 export TEXTDOMAINDIR 301 TEXTDOMAIN=sharutils 302 export TEXTDOMAIN 303 echo="$gettext_dir/gettext -s" 304 fi 305 if touch -am -t 200112312359.59 $$.touch >/dev/null 2>&1 && test ! -f 200112312359.59 -a -f $$.touch; then 306 shar_touch='touch -am -t $1$2$3$4$5$6.$7 "$8"' 307 elif touch -am 123123592001.59 $$.touch >/dev/null 2>&1 && test ! -f 123123592001.59 -a ! -f 123123592001.5 -a -f $$.touch; then 308 shar_touch='touch -am $3$4$5$6$1$2.$7 "$8"' 309 elif touch -am 1231235901 $$.touch >/dev/null 2>&1 && test ! -f 1231235901 -a -f $$.touch; then 310 shar_touch='touch -am $3$4$5$6$2 "$8"' 311 else 312 shar_touch=: 313 echo 314 $echo 'WARNING: not restoring timestamps. Consider getting and' 315 $echo "installing GNU \`touch', distributed in GNU File Utilities..." 316 echo 317 fi 318 rm -f 200112312359.59 123123592001.59 123123592001.5 1231235901 $$.touch 319 # 320 if mkdir _sh17581; then 321 $echo 'x -' 'creating lock directory' 322 else 323 $echo 'failed to create lock directory' 324 exit 1 325 fi 326 # ============= ip2mkdev ============== 327 if test -f 'ip2mkdev' && test "$first_param" != -c; then 328 $echo 'x -' SKIPPING 'ip2mkdev' '(file already exists)' 329 else 330 $echo 'x -' extracting 'ip2mkdev' '(text)' 331 sed 's/^X//' << 'SHAR_EOF' > 'ip2mkdev' && 332 #!/bin/sh - 333 # 334 # ip2mkdev 335 # 336 # Make or remove devices as needed for Computone Intelliport drivers 337 # 338 # First rule! If the dev file exists and you need it, don't mess 339 # with it. That prevents us from screwing up open ttys, ownership 340 # and permissions on a running system! 341 # 342 # This script will NOT remove devices that no longer exist if their 343 # board or interface box has been removed. If you want to get rid 344 # of them, you can manually do an "rm -f /dev/ttyF* /dev/cuaf*" 345 # before running this script. Running this script will then recreate 346 # all the valid devices. 347 # 348 # Michael H. Warfield 349 # /\/\|=mhw=|\/\/ 350 # mhw@wittsend.com 351 # 352 # Updated 10/29/2000 for version 1.2.13 naming convention 353 # under devfs. /\/\|=mhw=|\/\/ 354 # 355 # Updated 03/09/2000 for devfs support in ip2 drivers. /\/\|=mhw=|\/\/ 356 # 357 X 358 if test -d /dev/ip2 ; then 359 # This is devfs mode... We don't do anything except create symlinks 360 # from the real devices to the old names! 361 X cd /dev 362 X echo "Creating symbolic links to devfs devices" 363 X for i in `ls ip2` ; do 364 X if test ! -L ip2$i ; then 365 X # Remove it incase it wasn't a symlink (old device) 366 X rm -f ip2$i 367 X ln -s ip2/$i ip2$i 368 X fi 369 X done 370 X for i in `( cd tts ; ls F* )` ; do 371 X if test ! -L tty$i ; then 372 X # Remove it incase it wasn't a symlink (old device) 373 X rm -f tty$i 374 X ln -s tts/$i tty$i 375 X fi 376 X done 377 X for i in `( cd cua ; ls F* )` ; do 378 X DEVNUMBER=`expr $i : 'F\(.*\)'` 379 X if test ! -L cuf$DEVNUMBER ; then 380 X # Remove it incase it wasn't a symlink (old device) 381 X rm -f cuf$DEVNUMBER 382 X ln -s cua/$i cuf$DEVNUMBER 383 X fi 384 X done 385 X exit 0 386 fi 387 X 388 if test ! -f /proc/tty/drivers 389 then 390 X echo "\ 391 Unable to check driver status. 392 Make sure proc file system is mounted." 393 X 394 X exit 255 395 fi 396 X 397 if test ! -f /proc/tty/driver/ip2 398 then 399 X echo "\ 400 Unable to locate ip2 proc file. 401 Attempting to load driver" 402 X 403 X if /sbin/insmod ip2 404 X then 405 X if test ! -f /proc/tty/driver/ip2 406 X then 407 X echo "\ 408 Unable to locate ip2 proc file after loading driver. 409 Driver initialization failure or driver version error. 410 " 411 X exit 255 412 X fi 413 X else 414 X echo "Unable to load ip2 driver." 415 X exit 255 416 X fi 417 fi 418 X 419 # Ok... So we got the driver loaded and we can locate the procfs files. 420 # Next we need our major numbers. 421 X 422 TTYMAJOR=`sed -e '/^ip2/!d' -e '/\/dev\/tt/!d' -e 's/.*tt[^ ]*[ ]*\([0-9]*\)[ ]*.*/\1/' < /proc/tty/drivers` 423 CUAMAJOR=`sed -e '/^ip2/!d' -e '/\/dev\/cu/!d' -e 's/.*cu[^ ]*[ ]*\([0-9]*\)[ ]*.*/\1/' < /proc/tty/drivers` 424 BRDMAJOR=`sed -e '/^Driver: /!d' -e 's/.*IMajor=\([0-9]*\)[ ]*.*/\1/' < /proc/tty/driver/ip2` 425 X 426 echo "\ 427 TTYMAJOR = $TTYMAJOR 428 CUAMAJOR = $CUAMAJOR 429 BRDMAJOR = $BRDMAJOR 430 " 431 X 432 # Ok... Now we should know our major numbers, if appropriate... 433 # Now we need our boards and start the device loops. 434 X 435 grep '^Board [0-9]:' /proc/tty/driver/ip2 | while read token number type alltherest 436 do 437 X # The test for blank "type" will catch the stats lead-in lines 438 X # if they exist in the file 439 X if test "$type" = "vacant" -o "$type" = "Vacant" -o "$type" = "" 440 X then 441 X continue 442 X fi 443 X 444 X BOARDNO=`expr "$number" : '\([0-9]\):'` 445 X PORTS=`expr "$alltherest" : '.*ports=\([0-9]*\)' | tr ',' ' '` 446 X MINORS=`expr "$alltherest" : '.*minors=\([0-9,]*\)' | tr ',' ' '` 447 X 448 X if test "$BOARDNO" = "" -o "$PORTS" = "" 449 X then 450 # This may be a bug. We should at least get this much information 451 X echo "Unable to process board line" 452 X continue 453 X fi 454 X 455 X if test "$MINORS" = "" 456 X then 457 # Silently skip this one. This board seems to have no boxes 458 X continue 459 X fi 460 X 461 X echo "board $BOARDNO: $type ports = $PORTS; port numbers = $MINORS" 462 X 463 X if test "$BRDMAJOR" != "" 464 X then 465 X BRDMINOR=`expr $BOARDNO \* 4` 466 X STSMINOR=`expr $BRDMINOR + 1` 467 X if test ! -c /dev/ip2ipl$BOARDNO ; then 468 X mknod /dev/ip2ipl$BOARDNO c $BRDMAJOR $BRDMINOR 469 X fi 470 X if test ! -c /dev/ip2stat$BOARDNO ; then 471 X mknod /dev/ip2stat$BOARDNO c $BRDMAJOR $STSMINOR 472 X fi 473 X fi 474 X 475 X if test "$TTYMAJOR" != "" 476 X then 477 X PORTNO=$BOARDBASE 478 X 479 X for PORTNO in $MINORS 480 X do 481 X if test ! -c /dev/ttyF$PORTNO ; then 482 X # We got the hardware but no device - make it 483 X mknod /dev/ttyF$PORTNO c $TTYMAJOR $PORTNO 484 X fi 485 X done 486 X fi 487 X 488 X if test "$CUAMAJOR" != "" 489 X then 490 X PORTNO=$BOARDBASE 491 X 492 X for PORTNO in $MINORS 493 X do 494 X if test ! -c /dev/cuf$PORTNO ; then 495 X # We got the hardware but no device - make it 496 X mknod /dev/cuf$PORTNO c $CUAMAJOR $PORTNO 497 X fi 498 X done 499 X fi 500 done 501 X 502 Xexit 0 503 SHAR_EOF 504 (set 20 01 10 29 10 32 01 'ip2mkdev'; eval "$shar_touch") && 505 chmod 0755 'ip2mkdev' || 506 $echo 'restore of' 'ip2mkdev' 'failed' 507 if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ 508 && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then 509 md5sum -c << SHAR_EOF >/dev/null 2>&1 \ 510 || $echo 'ip2mkdev:' 'MD5 check failed' 511 cb5717134509f38bad9fde6b1f79b4a4 ip2mkdev 512 SHAR_EOF 513 else 514 shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'ip2mkdev'`" 515 test 4251 -eq "$shar_count" || 516 $echo 'ip2mkdev:' 'original size' '4251,' 'current size' "$shar_count!" 517 fi 518 fi 519 rm -fr _sh17581 520 exit 0