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Diffstat (limited to 'drivers/sound/README.C931')
| -rw-r--r-- | drivers/sound/README.C931 | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/sound/README.C931 b/drivers/sound/README.C931 new file mode 100644 index 000000000..e6f72be7e --- /dev/null +++ b/drivers/sound/README.C931 @@ -0,0 +1,62 @@ +Support for the OPTI 82C931 chip +-------------------------------- + +The opti 82C931 is supported in it's non PnP mode. +You do not need to set jumpers etc... The sound driver +will check the card status and if it is required it will +force the card into a mode that it can be programmed. + +To compile support for the OPTI 82C931 card you can use +the regular Linux config menus (ie, "make xconfig"). + +Sound card support should be enabled as a module (chose m). +Enable (m) for these items: + 100% Sound Blaster compatibles (SB16/32/64, ESS, Jazz16) support (CONFIG_SB) + Generic OPL2/OPL3 FM synthesizer support (CONFIG_ADLIB) + Microsoft Sound System support (CONFIG_MSS) + Support for OPTi MAD16 and/or Mozart based cards (CONFIG_MAD16) + FM synthesizer (YM3812/OPL-3) support (CONFIG_YM3812) + +The configuration menu may ask for addresses, irq lines or dma +channels. If the card is used as a module the module loading +options will override these values. + +Go on and compile your kernel and modules, install the modules. + +I use this configuration as part of /etc/conf.modules: + +options sb mad16=1 +options mad16 irq=10 dma=1 io=0x530 joystick=1 cdtype=0 +options opl3 io=0x388 + +After installing everything and booting to a kernel that +matches the modules you can load the sound driver: + +modprobe mad16 +modprobe opl3 + +As a result these modules are loaded: +Module Size Used by +opl3 10416 0 (unused) +mad16 6472 0 +sb 23544 0 [mad16] +uart401 5796 0 [mad16 sb] +ad1848 16532 1 [mad16] +sound 82052 0 [opl3 mad16 sb uart401 ad1848] + +Known problems: +1. The uart401 cannot be used. This is probably a problem which + was introduced when the sound driver was modularized. + Do not try to load uart401 with options (io=xxx, irq=yyy) because + it will try to initialize itself and fail. + +2. Cannot use the sound driver in Duplex mode. Until it is fixed + use only one DMA channel (0, 1 or 3) for mad16. + +3. Configuration of the cdrom adaptor on the sound card is not + tested and probably does not work. + +4. General problem with the modularized sound driver: If you + load part of the sound driver while a sound program is + running, stopping the program may result with a situation + where the "Used by" count becomes negative. |