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History log of /src/sys/dev/pci/cs428x.h
RevisionDateAuthorComments
 1.18  03-Feb-2021  isaki Remove code no longer used.
The code that used sc->{halt_input,halt_output} function pointer
was removed in 2004. (see cs428x.c rev 1.7)
 1.17  08-May-2019  isaki branches: 1.17.10;
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
 1.16  27-Oct-2012  chs branches: 1.16.38; 1.16.42;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.15  23-Nov-2011  jmcneill branches: 1.15.8;
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.
 1.14  09-Dec-2007  jmcneill branches: 1.14.26; 1.14.48; 1.14.50;
Merge jmcneill-pm branch.
 1.13  15-Jun-2007  joerg branches: 1.13.6; 1.13.8; 1.13.16; 1.13.18;
Fix ACPI suspend/resume support of clcs and clct. Based on auich and
hints from jmcneill@.
 1.12  04-Mar-2007  christos branches: 1.12.2; 1.12.4;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.11  06-Aug-2006  jmcneill branches: 1.11.8; 1.11.10; 1.11.12; 1.11.14;
PR/12843: Workaround for CS4280 on IBM ThinkPads. From Stephane Witzmann.

Note: This workaround conflicts with piixpm(4); you will need to disable
the piixpm driver if you need this fix.
 1.10  15-Apr-2006  jmcneill Add support for the Turtle Beach Santa Cruz. Special thanks to Stephane
Witzmann for spending so much time debugging this.

Fixes: kern/18880, kern/24488, port-i386/14260, kern/12603, kern/12723,
kern/24957, kern/23584

Tested on i386 (Stephane Witzmann), alpha (me).
 1.9  11-Dec-2005  christos branches: 1.9.4; 1.9.6; 1.9.8; 1.9.10; 1.9.12;
merge ktrace-lwp.
 1.8  15-Jan-2005  kent branches: 1.8.10;
ansify and KNF
 1.7  10-Jan-2005  kent merge kent-audio1 branch, which introduces audio filter pipeline to the MI
audio framework


Summary of changes:

* struct audio_params
- remove sw_code, factor, factor_denom, hw_sample_rate,
hw_encoding ,hw_precision, and hw_channels. Conversion information
is conveyed by stream_filter_list_t.
- change the type of sample_rate: u_long -> u_int
- add `validbits,' which represents the valid data size in
precision bits. It is required in order to distinguish 24/32bit
from 24/24bit or 32/32bit.

* audio_hw_if
- add two parameters to set_params()
stream_filter_list_t *pfil, stream_filter_list *rfil
A HW driver should set filter recipes for requested formats
- constify audio_params parameters of trigger_output() and
trigger_input(). They represent audio formats for the hardware.
- make open() and close() optional
- add int (AUMODE_PLAY or AUMODE_RECORD) and audio_params_t parameters
to round_blocksize()

* sw_code is replaced with stream_filter_t.
stream_filer_t converts audio data in an input buffer and writes
into another output buffer unlike sw_code, which converts data in
single buffer.
converters in dev/auconv.c, dev/mulaw.c, dev/aurateconv.c,
dev/tc/bba.c, dev/ic/msm6258.c, and arch/arm/iomd/vidcaudio.c are
reimplemented as stream_filter_t

* MI audio
- audiosetinfo() builds filter pipelines from stream_filter_list_t
filled by audio_hw_if::set_params()
- audiosetinfo() returns with EINVAL if mmapped and set_params()
requests filters
- audio_write(), audio_pint(), and audio_rint() invoke a filter
pipeline.
- ioctl() for FIONREAD, AUDIO_WSEEK, AUDIO_GETIOFFS,
AUDIO_GETOOFFS, and audio_prinfo::{seek,samples} for
AUDIO_GETINFO handle values for a buffer nearest to userland.

* add `struct device *' parameter to ac97_attach()

* all of audio HW drivers follow audio_hw_if and ac97 changes
 1.6  03-May-2003  wiz branches: 1.6.2; 1.6.6;
DMA, not dma nor Dma.
 1.5  01-Feb-2003  thorpej Add extensible malloc types, adapted from FreeBSD. This turns
malloc types into a structure, a pointer to which is passed around,
instead of an int constant. Allow the limit to be adjusted when the
malloc type is defined, or with a function call, as suggested by
Jonathan Stone.
 1.4  18-Apr-2001  tacha branches: 1.4.2;
rewrite suspend/resume routine. If you suspend while playing audio,
clcs and clct continue playing when resume.
 1.3  07-Feb-2001  tacha branches: 1.3.2; 1.3.4;
Split out common code to cs428x.c and cosmetic change to introduce
higher symmetry between cs4280.c and cs4281.c.

Also fix the problem rebooting from Windows. Relevant patch is contributed
from Shingo WATANABE <nabe@nabechan.org>.
 1.2  22-Jan-2001  augustss Clean up a little.
 1.1  22-Jan-2001  augustss Add clct driver for Cirrus Logic CrystalClear PCI Audio CS4281.
Driver written by Tatoku Ogaito.
 1.3.4.1  21-Jun-2001  nathanw Catch up to -current.
 1.3.2.3  21-Apr-2001  bouyer Sync with HEAD
 1.3.2.2  11-Feb-2001  bouyer Sync with HEAD.
 1.3.2.1  07-Feb-2001  bouyer file cs428x.h was added on branch thorpej_scsipi on 2001-02-11 19:15:52 +0000
 1.4.2.2  06-May-2001  he Pull up revisions 1.1-1.4 (new, requested by he):
Add driver for Cirrus Logic CrystalClear PCI Audio CS4281.
 1.4.2.1  18-Apr-2001  he file cs428x.h was added on branch netbsd-1-5 on 2001-05-06 15:12:48 +0000
 1.6.6.1  09-Jan-2005  kent audio_hw_if change
* make open() and close() optional
* add int (AUMODE_PLAY or AUMODE_RECORD) and audio_params_t parameters
to round_blocksize()
 1.6.2.1  17-Jan-2005  skrll Sync with HEAD.
 1.8.10.4  21-Jan-2008  yamt sync with head
 1.8.10.3  03-Sep-2007  yamt sync with head.
 1.8.10.2  30-Dec-2006  yamt sync with head.
 1.8.10.1  21-Jun-2006  yamt sync with head.
 1.9.12.1  24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.9.10.1  19-Apr-2006  elad sync with head.
 1.9.8.2  11-Aug-2006  yamt sync with head
 1.9.8.1  24-May-2006  yamt sync with head.
 1.9.6.1  22-Apr-2006  simonb Sync with head.
 1.9.4.1  09-Sep-2006  rpaulo sync with head
 1.11.14.1  03-Sep-2007  wrstuden Sync w/ NetBSD-4-RC_1
 1.11.12.1  27-Feb-2007  ad Add MP locking for audio drivers.
 1.11.10.1  12-Mar-2007  rmind Sync with HEAD.
 1.11.8.1  18-Jun-2007  liamjfoy Pull up following revision(s) (requested by joerg in ticket #733):
sys/dev/pci/cs4280.c: revision 1.46
sys/dev/pci/cs4281.c: revision 1.34
sys/dev/pci/cs428x.h: revision 1.13
Fix ACPI suspend/resume support of clcs and clct. Based on auich and
hints from jmcneill@.
 1.12.4.1  11-Jul-2007  mjf Sync with head.
 1.12.2.1  15-Jul-2007  ad Sync with head.
 1.13.18.1  11-Dec-2007  yamt sync with head.
 1.13.16.1  26-Dec-2007  ad Sync with head.
 1.13.8.1  09-Jan-2008  matt sync with HEAD
 1.13.6.1  04-Oct-2007  joerg Convert clcs(4) and clct(4) to PNP power management. This should also
allow more then one instance of each to resume correctly.
 1.14.50.1  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
 1.14.48.2  30-Oct-2012  yamt sync with head
 1.14.48.1  17-Apr-2012  yamt sync with head
 1.14.26.2  12-Dec-2008  ad Checkpoint work in progress.
 1.14.26.1  11-Dec-2008  ad Checkpoint work in progress.
 1.15.8.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.16.42.2  05-May-2019  isaki Remove encoding conversions on recording.
These are handled in the upper layer now.
 1.16.42.1  21-Apr-2019  isaki Adapt cs428x families to audio2.
- recording on cs4280 seems to have its own conversion.
I will see it later but first make it compilable.
 1.16.38.1  10-Jun-2019  christos Sync with HEAD
 1.17.10.1  03-Apr-2021  thorpej Sync with HEAD.

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