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History log of /src/sys/dev/ic/tms320av110var.h
RevisionDateAuthorComments
 1.13  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
 1.12  27-Oct-2012  chs branches: 1.12.38; 1.12.42;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.11  23-Nov-2011  jmcneill branches: 1.11.8;
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.
 1.10  28-Apr-2008  martin branches: 1.10.34; 1.10.36;
Remove clause 3 and 4 from TNF licenses
 1.9  19-Oct-2007  ad branches: 1.9.16; 1.9.18; 1.9.20;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.8  16-Feb-2006  perry branches: 1.8.24; 1.8.38; 1.8.40; 1.8.44;
Change "inline" back to "__inline" in .h files -- C99 is still too
new, and some apps compile things in C89 mode. C89 keywords stay.

As per core@.
 1.7  24-Dec-2005  perry branches: 1.7.2; 1.7.4; 1.7.6;
Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.
 1.6  11-Dec-2005  christos merge ktrace-lwp.
 1.5  15-Jan-2005  kent branches: 1.5.10;
ansify and KNF
 1.4  06-Jan-2003  wiz branches: 1.4.2;
interrupt with two rs.
 1.3  16-Feb-1999  is branches: 1.3.20;
Fix Copyright dates
 1.2  16-Feb-1999  is Assign my files to The NetBSD Foundation, Inc.
 1.1  16-Oct-1997  is TMS320AV110 (mpeg layer 2 decoder chip) and ZBUS Melody board, which uses it.
No optionboards yet for Melody, only audio driver.
MPEG data types for audio.c
 1.3.20.1  07-Jan-2003  thorpej Sync with HEAD.
 1.4.2.1  17-Jan-2005  skrll Sync with HEAD.
 1.5.10.1  27-Oct-2007  yamt sync with head.
 1.7.6.1  22-Apr-2006  simonb Sync with head.
 1.7.4.1  09-Sep-2006  rpaulo sync with head
 1.7.2.1  18-Feb-2006  yamt sync with head.
 1.8.44.1  25-Oct-2007  bouyer Sync with HEAD.
 1.8.40.1  06-Nov-2007  matt sync with HEAD
 1.8.38.1  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.
 1.8.24.1  23-Oct-2007  ad Sync with head.
 1.9.20.1  16-May-2008  yamt sync with head.
 1.9.18.1  18-May-2008  yamt sync with head.
 1.9.16.1  02-Jun-2008  mjf Sync with HEAD.
 1.10.36.1  20-Nov-2011  jmcneill adapt to audiomp api changes
 1.10.34.2  30-Oct-2012  yamt sync with head
 1.10.34.1  17-Apr-2012  yamt sync with head
 1.11.8.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.12.42.1  25-Apr-2019  isaki Adapt to audio2.
- Starting playback in init_output() no longer works.
Introduce sc_active flag instead and do it in start_output().
 1.12.38.1  10-Jun-2019  christos Sync with HEAD

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