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89 lines
3.0 KiB
Plaintext
89 lines
3.0 KiB
Plaintext
$FreeBSD$
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To install the device driver, please do the following steps:
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1. Install the files by copying them as listed in the following table:
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asc.c /usr/sys/i386/isa/
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ascreg.h /usr/sys/i386/isa/
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asc_ioctl.h /usr/sys/i386/include/
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Note that if you have copies of the system header directories
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in /usr/include/ instead of symbolic links, you have to copy
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`asc.h' to /usr/include/machine/ also. I recommend to replace
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the copies by links though.
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[the following steps, 2..5, can be achieved by moving to
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/sys/i386 and doing "patch < diffs.asc"]
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2. Make the driver source known to config(8) by editing the file
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/usr/src/sys/i386/conf/files.i386. Just append the following line:
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i386/isa/asc.c optional asc device-driver
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3. Include a driver access record in /usr/src/sys/i386/i386/conf.c
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Append the following structure at the end of the array that
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contains the *character* device drivers. Remember the major number
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that will be used for the driver, i.e. the number following the
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number af the preceding record.
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{ ascopen, ascclose, ascread, nowrite, /*<major>*/
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ascioctl, nostop, nullreset, nodevtotty, /* asc */
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ascselect, nommap, NULL },
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4. Insert the definitions for the base port addresses of the device
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into the file /usr/src/sys/i386/isa/isa.h:
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#define IO_ASC1 0x3EB /* AmiScan addr.grp. 1 */
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#define IO_ASC2 0x22B /* AmiScan addr.grp. 2 */
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#define IO_ASC3 0x26B /* AmiScan addr.grp. 3 */
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#define IO_ASC4 0x2AB /* AmiScan addr.grp. 4 */
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#define IO_ASC5 0x2EB /* AmiScan addr.grp. 5 */
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#define IO_ASC6 0x32B /* AmiScan addr.grp. 6 */
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#define IO_ASC7 0x36B /* AmiScan addr.grp. 7 */
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#define IO_ASC8 0x3AB /* AmiScan addr.grp. 8 */
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5. Patch /dev/MAKEDEV by adding the following lines in the switch to
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create the device entries:
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asc*)
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rm -f asc0
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mknod asc0 c 68 0
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mknod asc0p c 68 8
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chmod 666 asc0 asc0p
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chown root.wheel asc0 asc0p
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;;
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6. Edit your kernel configuration file (in /usr/src/sys/i386/conf/)
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by inserting the following line:
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device asc0 at isa? port 0x2ab tty drq 3 irq 10
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This should usually work for you as it reflects the factory
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settings of the AMI scanner. However, if this conflicts with
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any other device on your system, you have the option to change
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`drq 3' into `drq 1' or `drq 5' and the actual port value to
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"IO_ASC1".. "IO_ASC8" as defined in isa.h
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7. Rebuild the kernel, don't forget to config(8) and `make depend' first.
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8. Make the following device nodes:
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mknod /dev/asc0 c <major> 0
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mknod /dev/asc0p c <major> 8
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(or, cd /dev and do ./MAKEDEV asc0).
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If you plan to modify the and debug the driver, add these (you
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won't need these though, unless you know how to get this
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information from elsewhere.
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mknod /dev/asc0d c <major> 32
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mknod /dev/asc0pd c <major> 40
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9. Install the new kernel and reboot. You can try the driver by
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doing a simple "cat /dev/asc0p > myfile.pbm" and then trying
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to display the PBM image with xv or some other tool.
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