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Date:      Thu, 2 Sep 1999 22:14:09 +0100
From:      "Cameron Grant" <gandalf@vilnya.demon.co.uk>
To:        <freebsd-multimedia@freebsd.org>, <committers@freebsd.org>, <freebsd-current@freebsd.org>
Subject:   newpcm
Message-ID:  <000901bef588$1a0bf060$0304020a@rings>

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apologies for this message being late.

newpcm has now been committed in -current, with functional trident 4dwave,
es1370, sb and mss support.  minimal changes to kernel config should be
required:

pci devices:
device pcm0

isa pnp devices:
controller pnp0
device pcm0

non-pnp isa devices:
device pcm0 at ..., as before

newpcm should work on any freebsd-supported platform as it uses newbus.  it
has been tested on i386 and alpha.  there should be no change to the
userland interface other than addition of mmap()/trigger support, which has
been tested with an oss sample program, but no real applications.

a design overview of newpcm is available at
http://www.vilnya.demon.co.uk/design.txt

i intend to put a hardware driver skeleton up on the same site in the next
few days.

    - cameron




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