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18 Commits

Author SHA1 Message Date
nathanw
46b2a2fcd4 Do ess_config_addr() in the ofisa front end, rather than in the match 
routine. Prevents problems with non-SCR ess chips, as described in
PR 11630.
 2001-01-06 22:50:00 +00:00
thorpej
fc96443d15 New callout mechanism with two major improvements over the old 
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
  resource allocation.
- Insertion and removal of callouts is constant time, important as
  this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 2000-03-23 07:01:25 +00:00
thorpej
52a2804a5c Add a new function call to the ISA DMA API: isa_dmamaxsize(), which returns 
the maximum transfer size for the specified DMA channel.  Make all clients
of ISA DMA use this call to determine their maximum transfer size.
 2000-02-07 22:07:27 +00:00
augustss
a6a09bcdd6 Add support for ES18[67][89]. From PR #7427 by AW9K-NNK@asahi-net.or.jp, 
Nonaka Kimihiro.
 1999-06-18 20:25:23 +00:00
mycroft
81d2718d5b Add support for polling. 1999-03-18 06:03:31 +00:00
mycroft
3e404912dc Clean up the previous: 
* Separate the interrupt handlers based on which channel (audio1/audio2)
  rather than which direction (input/output).  Only register the handler for
  audio1 on the 1788.
* Since the input sides are actually the same, GC the duplicated code.
* Re-KNF in a bunch of places.
* Make this work again on the 1887 in the Shark.
 1999-03-16 13:06:35 +00:00
nathanw
64fffdfef9 Add support for the 1788 AudioDrive chip. 
Some minor cleanup; refer to more registers by macros rather
than raw hex constants.
 1999-03-02 20:36:50 +00:00
mycroft
4449a6ef39 Kill vestiges of isa_establish(). 1999-02-19 16:15:06 +00:00
hubertf
56f2d188fc RCS ID police 1999-02-15 04:54:34 +00:00
matthias
1f5c14d8ef ess_audio_channel:active is now used even when DIAGNOSTICS is not defined. 1998-08-11 12:16:22 +00:00
matt
8ba8e2056b Remove unused field (sc_ih) in ess_softc (interrupt handlers are kept 
in a per-direction structure).
 1998-08-10 20:24:26 +00:00
mycroft
7fca135b1b Use the new trigger interface. 1998-08-10 15:32:18 +00:00
mycroft
0611fc34f8 Don't actually touch the hardware in set_params; defer that until we actually 
start a transfer.  Instead, just check that the parameters are valid.
Also, use 16-bit output for u-law and a-law.
 1998-08-09 06:38:30 +00:00
mycroft
c8532af3b2 Make sure the sample rate is the same on both channels, tracking the change 
from one channel to the other if only one is active.
 1998-08-09 04:14:47 +00:00
augustss
f76fb48283 Use looping DMA for play channel. 
More cleanup.
 1998-08-04 13:14:42 +00:00
augustss
6b407a79c6 Major cleanup of the ESS driver. It now sorta works. More to come. 1998-07-31 15:17:17 +00:00
augustss
cdeb158d5f A first stab at making the SHARK sound work. It doesn't really work 
yet, but it probes and makes a noise when used.  Stay tuned!
 1998-07-30 14:11:42 +00:00
augustss
080dc567e8 A first stab at an ESS1887 driver. The code is from the SHARK port 
and needs a lot of polishing.  The code compiles (on i386), but is
untested.  See ess.c for a TODO list.
 1998-06-29 20:56:21 +00:00