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History log of /src/sys/dev/isa/ics2101.c
RevisionDateAuthorComments
 1.18  08-May-2019  isaki Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c
 1.17  23-Nov-2011  jmcneill branches: 1.17.50; 1.17.54;
Merge jmcneill-audiomp3 branch, which is derived from ad-audiomp2. From
the original ad-audiomp branch notes:

Add MP locking to the audio drivers.

Making the audio drivers MP safe is necessary before efforts
can be made to make the VM system MP safe.

The are two locks per device instance, an ISR lock and
a character device lock. The ISR lock replaces calls to
splaudio()/splx(), and will be held across calls to device
methods which were called at splaudio() before (e.g.
trigger_output). The character device lock is held across
calls to nearly all of the methods, excluding some only
used for initialization, e.g. get_locks.

Welcome to 5.99.57.
 1.16  14-Mar-2009  dsl branches: 1.16.12; 1.16.14;
ANSIfy another 1261 function definitions.
The only ones left in sys are beyond by sed script!
(or in sys/dist or sys/external)
Mostly they have function pointer parameters.
 1.15  28-Apr-2008  martin branches: 1.15.8; 1.15.12; 1.15.14;
Remove clause 3 and 4 from TNF licenses
 1.14  19-Oct-2007  ad branches: 1.14.16; 1.14.18; 1.14.20;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.13  30-Aug-2006  christos branches: 1.13.12; 1.13.26; 1.13.28; 1.13.32;
comment out impossible comparison.
 1.12  11-Dec-2005  christos branches: 1.12.4; 1.12.8;
merge ktrace-lwp.
 1.11  27-Feb-2005  perry branches: 1.11.4;
nuke trailing whitespace
 1.10  04-Feb-2005  perry de-__P
 1.9  13-Nov-2001  lukem branches: 1.9.16; 1.9.24; 1.9.26;
add RCSID
 1.8  30-Mar-2000  augustss branches: 1.8.6; 1.8.8;
Remove register declarations.
 1.7  17-Jun-1998  augustss branches: 1.7.14;
Remove a bunch of totally unnecessary #include <machine/pio.h>
left over from the olden days.
 1.6  09-Oct-1997  jtc Fix tipo inherited from old version of TNF copyright template.
 1.5  06-Sep-1997  augustss Bus-ify GUS driver.
 1.4  29-Apr-1996  christos branches: 1.4.12;
- prototype fixes
 1.3  05-Feb-1996  jtc Fix error in copyright notice
 1.2  05-Feb-1996  jtc Received copyright assignment
 1.1  19-Jul-1995  brezak GUS audio driver from John Kohl.
 1.4.12.2  14-Oct-1997  thorpej Update marc-pcmcia branch from trunk.
 1.4.12.1  06-Sep-1997  thorpej Update marc-pcmcia branch from trunk.
 1.7.14.1  20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.8.8.1  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.8.6.1  14-Nov-2001  nathanw Catch up to -current.
 1.9.26.2  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.9.26.1  12-Feb-2005  yamt sync with head.
 1.9.24.1  29-Apr-2005  kent sync with -current
 1.9.16.2  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.9.16.1  04-Feb-2005  skrll Sync with HEAD.
 1.11.4.2  27-Oct-2007  yamt sync with head.
 1.11.4.1  30-Dec-2006  yamt sync with head.
 1.12.8.1  03-Sep-2006  yamt sync with head.
 1.12.4.1  09-Sep-2006  rpaulo sync with head
 1.13.32.1  25-Oct-2007  bouyer Sync with HEAD.
 1.13.28.1  06-Nov-2007  matt sync with HEAD
 1.13.26.1  26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.13.12.1  23-Oct-2007  ad Sync with head.
 1.14.20.2  04-May-2009  yamt sync with head.
 1.14.20.1  16-May-2008  yamt sync with head.
 1.14.18.1  18-May-2008  yamt sync with head.
 1.14.16.1  02-Jun-2008  mjf Sync with HEAD.
 1.15.14.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.15.12.1  12-Dec-2008  ad Checkpoint work in progress.
 1.15.8.1  28-Apr-2009  skrll Sync with HEAD.
 1.16.14.1  19-Nov-2011  jmcneill port ad-audiomp2 branch changes to 5.99.56
todo:
- port ad-audiomp2 pcppi changes
- these drivers need to be fixed:
- emuxki
- gcscaudio
- hdafg
- uaudio
- umidi
- MD audio drivers
 1.16.12.1  17-Apr-2012  yamt sync with head
 1.17.54.1  04-May-2019  isaki Move dev/audio_if.h -> dev/audio/audio_if.h
 1.17.50.1  10-Jun-2019  christos Sync with HEAD

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