ESS Maestro 1 and 2 audio device
maestro* at pci?
audio* at maestro?
driver supports ESS maestro 1, 2
and 2E, including OEM products that identify as NEC Versa, or NEC VersaProNX
VA26D, as long as they use an AC'97 compliant codec, which is always the case,
except for very early models. It does not support maestro 3 cards, which are
entirely different and supported by the
Maestro cards have direct support for 16 bit signed little-endian mono and
stereo, 8 bit signed and unsigned mono and stereo. Other encodings are
emulated in software. Sampling range is 4000 - 48000 Hz, with roughly a 2 Hz
Maestro cards have some DSP and Dolby Digital 5.1 hardware, but this driver does
not support it.
Other functions of maestro cards (modem, joystick) are not supported.
PCI interrupt sharing works, as long as other devices comply too.
Maestro hardware information was gleaned from the
and Linux OSS drivers.
Very old cards with a PT101 mixer component should have partial support, e.g.,
the mixer does not work.
Recording should work soon.