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Diffstat (limited to 'Documentation/sound/oss/OPL3-SA')
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diff --git a/Documentation/sound/oss/OPL3-SA b/Documentation/sound/oss/OPL3-SA new file mode 100644 index 0000000..66a9183 --- /dev/null +++ b/Documentation/sound/oss/OPL3-SA @@ -0,0 +1,52 @@ +OPL3-SA1 sound driver (opl3sa.o) + +--- +Note: This howto only describes how to setup the OPL3-SA1 chip; this info +does not apply to the SA2, SA3, or SA4. +--- + +The Yamaha OPL3-SA1 sound chip is usually found built into motherboards, and +it's a decent little chip offering a WSS mode, a SB Pro emulation mode, MPU401 +and OPL3 FM Synth capabilities. + +You can enable inclusion of the driver via CONFIG_SOUND_OPL3SA1=m, or +CONFIG_SOUND_OPL3SA1=y through 'make config/xconfig/menuconfig'. + +You'll need to know all of the relevant info (irq, dma, and io port) for the +chip's WSS mode, since that is the mode the kernel sound driver uses, and of +course you'll also need to know about where the MPU401 and OPL3 ports and +IRQs are if you want to use those. + +Here's the skinny on how to load it as a module: + + modprobe opl3sa io=0x530 irq=11 dma=0 dma2=1 mpu_io=0x330 mpu_irq=5 + +Module options in detail: + + io: This is the WSS's port base. + irq: This is the WSS's IRQ. + dma: This is the WSS's DMA line. In my BIOS setup screen this was + listed as "WSS Play DMA" + dma2: This is the WSS's secondary DMA line. My BIOS calls it the + "WSS capture DMA" + + mpu_io: This is the MPU401's port base. + mpu_irq: This is the MPU401's IRQ. + +If you'd like to use the OPL3 FM Synthesizer, make sure you enable +CONFIG_SOUND_YM3812 (in 'make config'). That'll build the opl3.o module. + +Then a simple 'insmod opl3 io=0x388', and you now have FM Synth. + +You can also use the SoftOSS software synthesizer instead of the builtin OPL3. +Here's how: + +Say 'y' or 'm' to "SoftOSS software wave table engine" in make config. + +If you said yes, the software synth is available once you boot your new +kernel. + +If you chose to build it as a module, just insmod the resulting softoss2.o + +Questions? Comments? +<stiker@northlink.com> |