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8 Commits

Author SHA1 Message Date
augustss 9745684ebe Changes to the sudio system: 
- It is now possible to handle devices that want "looping" DMA,
    e.g. the SoundBlaster correctly.  The WSS and SB drivers use this.
    To do this several new methods were introduced in audio_hw_if.
  - Different silence handling (forced by previous change).
  - The audio driver can now be mmap()-ed, but due to problems in
    the VM system only for writing for now.
  - The OSS (Linux) audio emulation takes advantage of some of the
    new features.
 1997-07-27 01:16:32 +00:00
thorpej 11e78a6b0d Pull thorpej-bus-dma branch into mainline. 1997-06-06 23:43:45 +00:00
augustss 72b5ba3901 Redo the way selecting the mode for SB cards is done completely. 
It is now table driven since there are so many different variations
of SB cards out there.
Also fix a bug that stopped SB2 and SBPro from working.
 1997-05-23 21:19:59 +00:00
augustss d7a82223f4 Change lowater calculation a little. 
Fix mixer setting bug and add some missing splaudio().
Set SB drq16 to 5 and don't pretend to be SB v1.0.
 1997-05-17 23:26:33 +00:00
augustss 37be371415 Clean up emulation code, SB, and GUS drivers and add some more encoding 
emulation to SB.
 1997-05-13 19:02:11 +00:00
mycroft 95abb133dc Add 16-bit DRQ support on PnP, and enable 16-bit output. 1997-03-20 11:03:10 +00:00
thorpej 2953a0ce90 Pass the i/o handle, not bus PA, to bus_space_unmap(). 
From Matthias Drochner <drochner@zelz28.zel.kfa-juelich.de>,
in PR #3216.
 1997-02-12 23:37:38 +00:00
christos e6717c0bc9 - convert to bus_space_* 
- split attachment code to sb_isa.c
 1997-01-16 21:03:30 +00:00