MirOS Manual: aria(4)

ARIA(4)                    BSD Programmer's Manual                     ARIA(4)

NAME

     aria - Aria 16 audio device driver

SYNOPSIS

     aria0 at isa? port 0x280 irq 10 drq 0 flags 0x1

DESCRIPTION

     The aria driver provides support for sound cards based on Sierra
     Semiconductor's Aria chipset. Cards based on this chipset are capable of
     recording and playing 8- or 16-bit samples in mono or stereo up to
     44.1KHz. Some chipsets only play linear or ADCPM, but others will also
     play Mu-law and A-law sounds. Three different mixer configurations are
     available.

     The I/O Port Base is selected from 0x280, 0x290, 0x2a0 and 0x2b0. The
     selection method depends on the board. The Aria takes 8 ports.

     The IRQ is selected from 10, 11, or 12.

     The DRQ line is chosen from 5 or 6, this driver will work with or without
     a DRQ. If no DRQ is given, then the aria driver will simply use Direct
     I/O.

     The flags currently supported are 0x1, for the Prometheus Aria 16/Aria
     16se. This flag tells the driver to initialize the card. It is a weird
     and undocumented piece of horribleness, but the card will not respond un-
     til you twiddle with the joystick port.

SEE ALSO

     audio(4), intro(4), isa(4)

AUTHORS

     Roland C. Dowdeswell <roland@imrryr.org>

BUGS

     The driver has only been tested on a Prometheus Aria 16.

     No DMA support, yet, so don't bother setting a DRQ.

     The full-duplex features are horribly inconsistent (i.e., unusable).

     The card sometimes drops out, and needs to be reset. This can be accom-
     plished by opening and closing /dev/audio, e.g., "echo -n >/dev/audio"

     The joystick and MIDI port interfaces are not supported.

MirOS BSD #10-current          January 21, 1996                              1

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