Date: Sat, 13 Nov 1999 10:31:32 -0800 (PST) From: Doug Rabson <dfr@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/dev/pcm dsp.c src/sys/dev/pcm/isa es1888.c sb.c sb.h Message-ID: <199911131831.KAA45865@freefall.freebsd.org>
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dfr 1999/11/13 10:31:31 PST
Modified files:
sys/dev/pcm dsp.c
sys/dev/pcm/isa sb.c sb.h
Added files:
sys/dev/pcm/isa es1888.c
Log:
* Ignore the wierd fakechan workarounds for simplex in dsp_ioctl().
Without this, ioctl commands for setting formats and speeds were
essentially ignored for simplex devices until the application actually
performed a read or write.
* Make sure that both channels are set in the SB mixer code and provide a
mixer table specifically for the ess18xx which supports the extended
accuracy available on this part.
* Fix a stupid bug in ess_format() which ignored the passed-in format and
changed the hardware based on the value which was set last time. This
meant that the hardware setting was often not set correctly at all.
* Add a custom identify driver for the ESS1888 which automagically detects
and adds the device in a pseudo-PnP way. This driver also emits the magic
sequence which enables the sound hardware after a hard reset, allowing
it to work correctly for the sound hardware of a PWS 433au (and probably
all other PWS class alpha machines).
With these changes, I was able to play back simple sounds on my 433au. I
have not tested recording or any other formats other than 8bit ulaw and
16bit stereo.
Revision Changes Path
1.7 +3 -2 src/sys/dev/pcm/dsp.c
1.30 +29 -17 src/sys/dev/pcm/isa/sb.c
1.9 +17 -0 src/sys/dev/pcm/isa/sb.h
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