forked from luck/tmp_suning_uos_patched
1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
340 lines
12 KiB
Plaintext
340 lines
12 KiB
Plaintext
An OSS/Free Driver for WaveFront soundcards
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(Turtle Beach Maui, Tropez, Tropez Plus)
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Paul Barton-Davis, July 1998
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VERSION 0.2.5
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Driver Status
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-------------
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Requires: Kernel 2.1.106 or later (the driver is included with kernels
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2.1.109 and above)
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As of 7/22/1998, this driver is currently in *BETA* state. This means
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that it compiles and runs, and that I use it on my system (Linux
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2.1.106) with some reasonably demanding applications and uses. I
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believe the code is approaching an initial "finished" state that
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provides bug-free support for the Tropez Plus.
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Please note that to date, the driver has ONLY been tested on a Tropez
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Plus. I would very much like to hear (and help out) people with Tropez
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and Maui cards, since I think the driver can support those cards as
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well.
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Finally, the driver has not been tested (or even compiled) as a static
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(non-modular) part of the kernel. Alan Cox's good work in modularizing
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OSS/Free for Linux makes this rather unnecessary.
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Some Questions
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--------------
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**********************************************************************
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0) What does this driver do that the maui driver did not ?
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**********************************************************************
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* can fully initialize a WaveFront card from cold boot - no DOS
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utilities needed
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* working patch/sample/program loading and unloading (the maui
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driver didn't document how to make this work, and assumed
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user-level preparation of the patch data for writing
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to the board. ick.)
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* full user-level access to all WaveFront commands
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* for the Tropez Plus, (primitive) control of the YSS225 FX processor
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* Virtual MIDI mode supported - 2 MIDI devices accessible via the
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WaveFront's MPU401/UART emulation. One
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accesses the WaveFront synth, the other accesses the
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external MIDI connector. Full MIDI read/write semantics
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for both devices.
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* OSS-compliant /dev/sequencer interface for the WaveFront synth,
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including native and GUS-format patch downloading.
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* semi-intelligent patch management (prototypical at this point)
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**********************************************************************
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1) What to do about MIDI interfaces ?
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**********************************************************************
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The Tropez Plus (and perhaps other WF cards) can in theory support up
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to 2 physical MIDI interfaces. One of these is connected to the
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ICS2115 chip (the WaveFront synth itself) and is controlled by
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MPU/UART-401 emulation code running as part of the WaveFront OS. The
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other is controlled by the CS4232 chip present on the board. However,
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physical access to the CS4232 connector is difficult, and it is
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unlikely (though not impossible) that you will want to use it.
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An older version of this driver introduced an additional kernel config
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variable which controlled whether or not the CS4232 MIDI interface was
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configured. Because of Alan Cox's work on modularizing the sound
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drivers, and now backporting them to 2.0.34 kernels, there seems to be
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little reason to support "static" configuration variables, and so this
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has been abandoned in favor of *only* module parameters. Specifying
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"mpuio" and "mpuirq" for the cs4232 parameter will result in the
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CS4232 MIDI interface being configured; leaving them unspecified will
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leave it unconfigured (and thus unusable).
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BTW, I have heard from one Tropez+ user that the CS4232 interface is
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more reliable than the ICS2115 one. I have had no problems with the
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latter, and I don't have the right cable to test the former one
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out. Reports welcome.
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**********************************************************************
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2) Why does line XXX of the code look like this .... ?
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**********************************************************************
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Either because it's not finished yet, or because you're a better coder
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than I am, or because you don't understand some aspect of how the card
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or the code works.
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I absolutely welcome comments, criticisms and suggestions about the
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design and implementation of the driver.
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**********************************************************************
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3) What files are included ?
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**********************************************************************
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drivers/sound/README.wavefront -- this file
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drivers/sound/wavefront.patch -- patches for the 2.1.106 sound drivers
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needed to make the rest of this work
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DO NOT USE IF YOU'VE APPLIED THEM
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BEFORE, OR HAVE 2.1.109 OR ABOVE
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drivers/sound/wavfront.c -- the driver
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drivers/sound/ys225.h -- data declarations for FX config
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drivers/sound/ys225.c -- data definitions for FX config
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drivers/sound/wf_midi.c -- the "uart401" driver
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to support virtual MIDI mode.
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include/wavefront.h -- the header file
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Documentation/sound/oss/Tropez+ -- short docs on configuration
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**********************************************************************
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4) How do I compile/install/use it ?
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**********************************************************************
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PART ONE: install the source code into your sound driver directory
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cd <top-of-your-2.1.106-code-base-e.g.-/usr/src/linux>
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tar -zxvf <where-you-put/wavefront.tar.gz>
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PART TWO: apply the patches
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DO THIS ONLY IF YOU HAVE A KERNEL VERSION BELOW 2.1.109
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AND HAVE NOT ALREADY INSTALLED THE PATCH(ES).
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cd drivers/sound
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patch < wavefront.patch
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PART THREE: configure your kernel
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cd <top of your kernel tree>
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make xconfig (or whichever config option you use)
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- choose YES for Sound Support
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- choose MODULE (M) for OSS Sound Modules
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- choose MODULE(M) to YM3812/OPL3 support
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- choose MODULE(M) for WaveFront support
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- choose MODULE(M) for CS4232 support
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- choose "N" for everything else (unless you have other
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soundcards you want support for)
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make boot
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.
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.
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.
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<whatever you normally do for a kernel install>
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make modules
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.
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.
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.
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make modules_install
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Here's my autoconf.h SOUND section:
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/*
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* Sound
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*/
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#define CONFIG_SOUND 1
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#undef CONFIG_SOUND_OSS
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#define CONFIG_SOUND_OSS_MODULE 1
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#undef CONFIG_SOUND_PAS
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#undef CONFIG_SOUND_SB
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#undef CONFIG_SOUND_ADLIB
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#undef CONFIG_SOUND_GUS
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#undef CONFIG_SOUND_MPU401
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#undef CONFIG_SOUND_PSS
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#undef CONFIG_SOUND_MSS
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#undef CONFIG_SOUND_SSCAPE
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#undef CONFIG_SOUND_TRIX
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#undef CONFIG_SOUND_MAD16
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#undef CONFIG_SOUND_WAVEFRONT
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#define CONFIG_SOUND_WAVEFRONT_MODULE 1
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#undef CONFIG_SOUND_CS4232
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#define CONFIG_SOUND_CS4232_MODULE 1
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#undef CONFIG_SOUND_MAUI
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#undef CONFIG_SOUND_SGALAXY
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#undef CONFIG_SOUND_OPL3SA1
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#undef CONFIG_SOUND_SOFTOSS
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#undef CONFIG_SOUND_YM3812
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#define CONFIG_SOUND_YM3812_MODULE 1
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#undef CONFIG_SOUND_VMIDI
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#undef CONFIG_SOUND_UART6850
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/*
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* Additional low level sound drivers
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*/
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#undef CONFIG_LOWLEVEL_SOUND
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************************************************************
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6) How do I configure my card ?
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************************************************************
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You need to edit /etc/modprobe.conf. Here's mine (edited to show the
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relevant details):
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# Sound system
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alias char-major-14-* wavefront
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alias synth0 wavefront
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alias mixer0 cs4232
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alias audio0 cs4232
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install wavefront /sbin/modprobe cs4232 && /sbin/modprobe -i wavefront && /sbin/modprobe opl3
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options wavefront io=0x200 irq=9
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options cs4232 synthirq=9 synthio=0x200 io=0x530 irq=5 dma=1 dma2=0
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options opl3 io=0x388
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Things to note:
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the wavefront options "io" and "irq" ***MUST*** match the "synthio"
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and "synthirq" cs4232 options.
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you can do without the opl3 module if you don't
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want to use the OPL/[34] FM synth on the soundcard
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the opl3 io parameter is conventionally not adjustable.
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In theory, any not-in-use IO port address would work, but
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just use 0x388 and stick with the crowd.
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**********************************************************************
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7) What about firmware ?
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**********************************************************************
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Turtle Beach have not given me permission to distribute their firmware
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for the ICS2115. However, if you have a WaveFront card, then you
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almost certainly have the firmware, and if not, its freely available
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on their website, at:
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http://www.tbeach.com/tbs/downloads/scardsdown.htm#tropezplus
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The file is called WFOS2001.MOT (for the Tropez+).
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This driver, however, doesn't use the pure firmware as distributed,
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but instead relies on a somewhat processed form of it. You can
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generate this very easily. Following an idea from Andrew Veliath's
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Pinnacle driver, the following flex program will generate the
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processed version:
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---- cut here -------------------------
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%option main
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%%
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^S[28].*\r$ printf ("%c%.*s", yyleng-1,yyleng-1,yytext);
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<<EOF>> { fputc ('\0', stdout); return; }
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\n {}
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. {}
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---- cut here -------------------------
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To use it, put the above in file (say, ws.l) compile it like this:
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shell> flex -ows.c ws.l
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shell> cc -o ws ws.c
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and then use it like this:
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ws < my-copy-of-the-oswf.mot-file > /etc/sound/wavefront.os
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If you put it somewhere else, you'll always have to use the wf_ospath
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module parameter (see below) or alter the source code.
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**********************************************************************
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7) How do I get it working ?
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**********************************************************************
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Optionally, you can reboot with the "new" kernel (even though the only
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changes have really been made to a module).
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Then, as root do:
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modprobe wavefront
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You should get something like this in /var/log/messages:
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WaveFront: firmware 1.20 already loaded.
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or
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WaveFront: no response to firmware probe, assume raw.
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then:
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WaveFront: waiting for memory configuration ...
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WaveFront: hardware version 1.64
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WaveFront: available DRAM 8191k
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WaveFront: 332 samples used (266 real, 13 aliases, 53 multi), 180 empty
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WaveFront: 128 programs slots in use
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WaveFront: 256 patch slots filled, 142 in use
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The whole process takes about 16 seconds, the longest waits being
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after reporting the hardware version (during the firmware download),
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and after reporting program status (during patch status inquiry). Its
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shorter (about 10 secs) if the firmware is already loaded (i.e. only
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warm reboots since the last firmware load).
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The "available DRAM" line will vary depending on how much added RAM
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your card has. Mine has 8MB.
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To check basically functionality, use play(1) or splay(1) to send a
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.WAV or other audio file through the audio portion. Then use playmidi
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to play a General MIDI file. Try the "-D 0" to hear the
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difference between sending MIDI to the WaveFront and using the OPL/3,
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which is the default (I think ...). If you have an external synth(s)
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hooked to the soundcard, you can use "-e" to route to the
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external synth(s) (in theory, -D 1 should work as well, but I think
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there is a bug in playmidi which prevents this from doing what it
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should).
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**********************************************************************
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8) What are the module parameters ?
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**********************************************************************
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Its best to read wavefront.c for this, but here is a summary:
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integers:
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wf_raw - if set, ignore apparent presence of firmware
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loaded onto the ICS2115, reset the whole
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board, and initialize it from scratch. (default = 0)
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fx_raw - if set, always initialize the YSS225 processor
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on the Tropez plus. (default = 1)
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< The next 4 are basically for kernel hackers to allow
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tweaking the driver for testing purposes. >
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wait_usecs - loop timer used when waiting for
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status conditions on the board.
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The default is 150.
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debug_default - debugging flags. See sound/wavefront.h
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for WF_DEBUG_* values. Default is zero.
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Setting this allows you to debug the
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driver during module installation.
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strings:
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ospath - path to get to the pre-processed OS firmware.
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(default: /etc/sound/wavefront.os)
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**********************************************************************
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9) Who should I contact if I have problems?
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**********************************************************************
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Just me: Paul Barton-Davis <pbd@op.net>
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