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- THE GUS MINI HOWTO
-
- Version 0.2.2; 14/9/1997 (that's European date format ;-)
-
- (C)opyright 1997 Nicolai Langfeldt (janl@math.uio.no)
-
- This is a HOWTO on how to get Gravis Ultra Sound cards working under
- Linux. Specifically I describe the the 'Perex Ultra' driver for
- Linux, it's a alternate sound driver for GUS cards, including GUS PnP.
-
- The regular sound driver in Linux can drive most GUS cards, but not
- GUS PnP, easily. If you read the "Initializing PnP cards" and look at
- the referred configuration files you can probably work out to get the
- regular driver to work though, it's not, strictly speaking, magic. An
- other alternative is 4Front's commercial driver, for which you can
- obtain a 5 day trial version. See http://www.4Front-Tech.com/ (this
- is a much enhanced commercial version of the regular Linux sound
- driver). Of all the three drivers 4Front's driver was easiest to get
- working on my machine. It is my opinion that the Perex Ultra driver
- is the best free alternative.
-
- * Getting it
-
- First of all: you need root access to the machine you're installing
- on. If you haven't got that you can forget installing sound drivers.
-
- Then you get the driver. http://www.pf.jcu.cz/~perex/ultra/ lists a
- number of ftp sites. The home site is
- ftp://romeo.pf.jcu.cz/pub/perex/ultra/. In the directory final you
- find the final, working, versions of the driver. At this time
- (6/9/97) the latest is 2.71b. Fetch the driver version you want.
-
- * Problems?
-
- If, you like me, get problems getting any sound out of the card at all
- you must debug. To help with this the distribution contains a FAQ
- (the file is called FAQ ;-)
-
- * Installing
-
- I will assume directory and filenames are according to the 2.71b
- version. Unpack it (tar xvzf ultra-2.71b.tgz). It unpacks into a new
- directory, ultra-2.71b, cd there.
-
- First you have to configure the package. Simply type './configure'.
- It will figure out what kind of CPU you have, and how many. Please
- note that a ultra driver compiled for SMP (multi-CPU) machines will
- not work on single CPU machines, and vice versa.
-
- To compile go 'make compile'. It will print some CPU and architecture
- info, install paths and ask you to press return. If you're unhappy
- with something it printed press ^C and edit the Makefile to match your
- tastes. Otherwise press return (enter). If you change the paths, be
- aware that some programs, like ultramidi expect the midi config files
- to be in /usr/local/etc no matter where the top Makefile has them
- placed. At the next prompt (GUSCFG_MAJOR question) press return
- again. At the next prompt (GUSCFG_ALL) decide if you want a driver
- that can handle all GUS cards or not. One for all cards will be
- slightly larger. If you answer 'n' you now get to select what card(s)
- to support, select the card(s) you want. Press return on all the
- prompts thereafter. The driver should now compile.
-
- If there are any compilation errors fix them, and report them to Perex
- (email: perex@pf.jcu.cz). You can ignore all/any warnings.
-
- Once it compiles ok do 'make install'. This will install the driver,
- config files and the accompanying binaries in the directories shown
- when the compilation started.
-
- * Initializing PnP cards
-
- If you have a PnP card you _might_ need to do some more work. I had
- to do what I describe in this section to get my card working. Other
- people has told me they didn't have to, and indeed, it's supposed to
- work without doing this. If after loading the driver and trying to
- play sounds (see the next section; "Getting it working") there is no
- sound and /dev/gusinfo is unreadable go back here. If it works with
- no special initialization; cool.
-
- The PnP tools, and a sample configuration file is included in
- src/driver/isapnptools-1.7. cd there. If you don't have isapnptools
- already installed go 'make' to compile the software, and 'cp pnpdump
- isapnp /sbin' to install it. A word of WARNING: Running pnpdump can
- cause your computer to lock up real hard, real fast. The latest
- version of isapnptools can be found at
- ftp://ftp.demon.co.uk/pub/unix/linux/utils, it's currently at version
- 1.10.
-
- The file gravis.conf is supplied as an example configuration file.
- You can almost certainly use that, with some small modifications. You
- want to configure a card called GRV0001. But the supplied file
- initializes
-
- GRV0001/1
-
- Which probably don't match your hardware. Run
-
- pnpdump >mygravis.conf
-
- The file mygravis.conf will now contain information on all your
- ISA-PnP cards. Look in the file and find the CONFIGURE lines with the
- GRV0001 numbers. On my machine it's:
-
- GRV0001/7332
-
- So in my case, I just substitute all instances of GRV0001/1 with
- GRV0001/7332. Put the new file at the end of /etc/isapnp.conf. Run
- 'isapnp /etc/isapnp.conf'. There won't be any error messages, trust
- me >:-). At this point the card is initialized to the listed
- interrupts, DMAs and other things.
-
- * Getting it working
-
- First run /usr/local/bin/gusdevs. This will make the special files in
- /dev that the gus driver needs. If the file
- /usr/local/etc/gus-midi-gf1.defs isn't there copy it from
- src/driver/daemon/gus-midi-gf1.defs in the distribution.
-
- Now we'll see if the driver is working. First connect headphones or
- loudspeakers to your card. Then run 'insgus', it loads the driver.
- It should not print any messages, if it does something is wrong. To
- test the driver play some sound. A very rough test is to copy your
- kernel to the sound system. Try this:
-
- cat /boot/vmlinuz >/dev/audio
-
- (this assumes that /boot/vmlinuz is the name of your kernel). This
- should make some noise. You can adjust the cards volume with the
- gusmix or xgusmix program. The Main/Master and PCM volumes needs to
- be up. If gusmix/xgusmix won't run the driver isn't working at all.
- If it dosn't make any sound the driver is not working right.
-
- Another diagnostic is to run 'cat /dev/gusinfo'. If you get a 'no
- such device' message things are _not_ working. This 'file' should
- also show the correct amount of memory on your board.
-
- * Making it work permanently.
-
- Once the driver is working we can modify boot scripts and config files
- so that we don't have to think about it anymore.
-
- There are two ways to load the driver, with modprobe/kerneld, or by
- running the insgus program.
-
- To use the insgus program just put a insgus command in your boot
- scripts. On a RedHat system /etc/rc.d/rc.local is a good place. If
- you have some other system please e-mail me, telling me where to put
- the command. Make sure /usr/local/bin is in your path, or write the
- command completely out: /usr/local/bin/insgus.
-
- If you have a PnP card you need to run the isapnp command each time
- the machine boots: 'isapnp /etc/isapnp.conf'. Again: On a RedHat
- system /etc/rc.d/rc.local is a good place. Run it _before_ running
- insgus though!!!
-
- My favorite is using kerneld. You need to edit your /etc/conf.modules
- file. In the apps-setup directory of the ultra distribution there is
- a file called conf.modules:
-
- ----
- #
- # Configuration for GUS driver from The Ultra Sound Project...
- #
-
- path=/usr/local/etc
- alias char-major-14 gus
- install gus /usr/local/etc/insgus -Kn
- remove gus /usr/local/etc/insgus -Kk
- ----
-
- Insert it at the end of your /etc/conf.modules file (if you haven't
- got one check if you have modules.conf instead, if not, just make
- conf.modules). There is a slight typo in the file (in version 2.71b,
- shown above), the path to the insgus program is actually
- /usr/local/bin/insgus, so fix that. Once that is in place the driver
- should auto load whenever a sound device is opened for use (when you
- try to play a sound or run a mixer program) and after being unused a
- while the module will be automatically removed. More on all this in
- the kerneld mini howto.
-
- * Finished?
-
- That's it. Follow the links on Perex' Ultra page to find more
- information about sound playing and such under Linux.
-
- Oh, and, the ultramod and ultramidi programs seem to require that you
- have RAM on your sound-card. I don't have any RAM, so I use mikmod,
- available on sunsite.unc.edu to play mod files. I haven't gotten
- around to midi yet.
-
-