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162 lines
6.9 KiB
162 lines
6.9 KiB
Pro Audio Spectrum 16 for 2.3.99 and later
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=========================================
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by Thomas Molina (tmolina@home.com)
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last modified 3 Mar 2001
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Acknowledgement to Axel Boldt (boldt@math.ucsb.edu) for stuff taken
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from Configure.help, Riccardo Facchetti for stuff from README.OSS,
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and others whose names I could not find.
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This documentation is relevant for the PAS16 driver (pas2_card.c and
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friends) under kernel version 2.3.99 and later. If you are
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unfamiliar with configuring sound under Linux, please read the
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Sound-HOWTO, Documentation/sound/oss/Introduction and other
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relevant docs first.
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The following information is relevant information from README.OSS
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and legacy docs for the Pro Audio Spectrum 16 (PAS16):
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==================================================================
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The pas2_card.c driver supports the following cards --
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Pro Audio Spectrum 16 (PAS16) and compatibles:
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Pro Audio Spectrum 16
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Pro Audio Studio 16
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Logitech Sound Man 16
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NOTE! The original Pro Audio Spectrum as well as the PAS+ are not
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and will not be supported by the driver.
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The sound driver configuration dialog
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-------------------------------------
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Sound configuration starts by making some yes/no questions. Be careful
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when answering to these questions since answering y to a question may
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prevent some later ones from being asked. For example don't answer y to
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the question about (PAS16) if you don't really have a PAS16. Sound
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configuration may also be made modular by answering m to configuration
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options presented.
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Note also that all questions may not be asked. The configuration program
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may disable some questions depending on the earlier choices. It may also
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select some options automatically as well.
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"ProAudioSpectrum 16 support",
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- Answer 'y'_ONLY_ if you have a Pro Audio Spectrum _16_,
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Pro Audio Studio 16 or Logitech SoundMan 16 (be sure that
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you read the above list correctly). Don't answer 'y' if you
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have some other card made by Media Vision or Logitech since they
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are not PAS16 compatible.
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NOTE! Since 3.5-beta10 you need to enable SB support (next question)
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if you want to use the SB emulation of PAS16. It's also possible to
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the emulation if you want to use a true SB card together with PAS16
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(there is another question about this that is asked later).
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"Generic OPL2/OPL3 FM synthesizer support",
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- Answer 'y' if your card has a FM chip made by Yamaha (OPL2/OPL3/OPL4).
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The PAS16 has an OPL3-compatible FM chip.
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With PAS16 you can use two audio device files at the same time. /dev/dsp (and
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/dev/audio) is connected to the 8/16 bit native codec and the /dev/dsp1 (and
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/dev/audio1) is connected to the SB emulation (8 bit mono only).
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The new stuff for 2.3.99 and later
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============================================================================
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The following configuration options are relevant to configuring the PAS16:
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Sound card support
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CONFIG_SOUND
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If you have a sound card in your computer, i.e. if it can say more
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than an occasional beep, say Y. Be sure to have all the information
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about your sound card and its configuration down (I/O port,
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interrupt and DMA channel), because you will be asked for it.
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You want to read the Sound-HOWTO, available from
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http://www.tldp.org/docs.html#howto . General information
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about the modular sound system is contained in the files
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Documentation/sound/oss/Introduction. The file
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Documentation/sound/oss/README.OSS contains some slightly outdated but
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still useful information as well.
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OSS sound modules
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CONFIG_SOUND_OSS
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OSS is the Open Sound System suite of sound card drivers. They make
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sound programming easier since they provide a common API. Say Y or M
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here (the module will be called sound.o) if you haven't found a
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driver for your sound card above, then pick your driver from the
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list below.
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Persistent DMA buffers
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CONFIG_SOUND_DMAP
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Linux can often have problems allocating DMA buffers for ISA sound
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cards on machines with more than 16MB of RAM. This is because ISA
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DMA buffers must exist below the 16MB boundary and it is quite
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possible that a large enough free block in this region cannot be
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found after the machine has been running for a while. If you say Y
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here the DMA buffers (64Kb) will be allocated at boot time and kept
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until the shutdown. This option is only useful if you said Y to
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"OSS sound modules", above. If you said M to "OSS sound modules"
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then you can get the persistent DMA buffer functionality by passing
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the command-line argument "dmabuf=1" to the sound.o module.
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Say y here for PAS16.
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ProAudioSpectrum 16 support
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CONFIG_SOUND_PAS
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Answer Y only if you have a Pro Audio Spectrum 16, ProAudio Studio
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16 or Logitech SoundMan 16 sound card. Don't answer Y if you have
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some other card made by Media Vision or Logitech since they are not
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PAS16 compatible. It is not necessary to enable the separate
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Sound Blaster support; it is included in the PAS driver.
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If you compile the driver into the kernel, you have to add
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"pas2=<io>,<irq>,<dma>,<dma2>,<sbio>,<sbirq>,<sbdma>,<sbdma2>
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to the kernel command line.
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FM Synthesizer (YM3812/OPL-3) support
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CONFIG_SOUND_YM3812
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Answer Y if your card has a FM chip made by Yamaha (OPL2/OPL3/OPL4).
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Answering Y is usually a safe and recommended choice, however some
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cards may have software (TSR) FM emulation. Enabling FM support with
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these cards may cause trouble (I don't currently know of any such
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cards, however).
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Please read the file Documentation/sound/oss/OPL3 if your card has an
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OPL3 chip.
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If you compile the driver into the kernel, you have to add
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"opl3=<io>" to the kernel command line.
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If you compile your drivers into the kernel, you MUST configure
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OPL3 support as a module for PAS16 support to work properly.
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You can then get OPL3 functionality by issuing the command:
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insmod opl3
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In addition, you must either add the following line to
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/etc/modprobe.conf:
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options opl3 io=0x388
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or else add the following line to /etc/lilo.conf:
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opl3=0x388
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EXAMPLES
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===================================================================
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To use the PAS16 in my computer I have enabled the following sound
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configuration options:
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CONFIG_SOUND=y
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CONFIG_SOUND_OSS=y
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CONFIG_SOUND_TRACEINIT=y
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CONFIG_SOUND_DMAP=y
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CONFIG_SOUND_PAS=y
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CONFIG_SOUND_SB=n
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CONFIG_SOUND_YM3812=m
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I have also included the following append line in /etc/lilo.conf:
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append="pas2=0x388,10,3,-1,0x220,5,1,-1 sb=0x220,5,1,-1 opl3=0x388"
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The io address of 0x388 is default configuration on the PAS16. The
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irq of 10 and dma of 3 may not match your installation. The above
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configuration enables PAS16, 8-bit Soundblaster and OPL3
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functionality. If Soundblaster functionality is not desired, the
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following line would be appropriate:
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append="pas2=0x388,10,3,-1,0,-1,-1,-1 opl3=0x388"
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If sound is built totally modular, the above options may be
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specified in /etc/modprobe.conf for pas2, sb and opl3
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respectively.
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