augustss
33f1482ece
Make sure recording is started before we return EWOULDBLOCK in a read().
1998-12-27 23:25:32 +00:00
augustss
496387c419
Fold lines to 80 chars.
1998-12-27 22:52:23 +00:00
drochner
6292c7eda0
Make midi_attach_mi() and audioprint() available also if MIDIBUS
...
(but not necessarily MIDI) is defined.
Fixes PR port-i386/6615 (Krister Walfridsson <cato@ulysses.df.lth.se>).
(XXX this should probably go into a separate file to get rid of
the #ifdef mess)
1998-12-20 14:26:44 +00:00
mycroft
53698488ff
Do not permit a class to be recorded as a master or monitor port.
1998-11-25 13:44:13 +00:00
mrg
db3051d720
fix problems in many d_mmap routines:
...
- returned EOPNOTSUPP rather than -1.
- no check for negative offset.
many of these fix potential security problems in these drivers.
XXX XXX XXX
the d_mmap cdev routine should be changed to have a prototype like:
paddr_t (*d_mmap) __P((dev_t, off_t, int));
by someone!
1998-11-19 15:38:20 +00:00
christos
b12bfa760e
Make this compile again with no audio but with midi devices.
1998-09-27 16:43:56 +00:00
mycroft
b742b9ad67
Move some debugging output to more useful levels.
1998-09-01 07:27:06 +00:00
pk
535cdbe9f2
Slight optimization in audio_[pr]int().
1998-08-28 12:07:41 +00:00
augustss
c50af72c34
Handle the case of MIDI devices with no audio devices.
1998-08-28 07:44:12 +00:00
thorpej
1083dcb6ca
Back out previous.
1998-08-18 18:16:30 +00:00
thorpej
73d1752963
Deal with somewhat bogus uninitialized warning in new egcs. Behavior
...
is such that would inidicate that __attribute__((__noreturn__)) is not
being honored.
1998-08-18 06:16:45 +00:00
augustss
cd09067eb4
* Redo the way the way the MIDI driver attaches to audio devices.
...
* Improve the midisyn layer a little.
* Add a driver for the Yamaha OPL[23] FM synths.
The opl driver is not finished yet; it sounds pretty awful.
For some strange reason I cannot get any FM sound from my SB64 cards,
but a regular SB16 works fine.
1998-08-17 21:16:09 +00:00
mycroft
20ec08b84e
Oops.
1998-08-10 01:17:33 +00:00
mycroft
10148394d2
Call set_params if usemode changes.
1998-08-10 01:13:20 +00:00
mycroft
17431823fb
Add trigger_output and trigger_input entry points, which replace
...
init_{in,out}put and start_{in,out}put, and are only called once.
1998-08-09 20:28:07 +00:00
mycroft
a2fc689833
Make sure output is thoroughly halted on close, and remember that we stopped
...
it.
1998-08-09 07:25:58 +00:00
mycroft
9bedf069cd
Mask off extra usemode bits.
1998-08-09 05:44:51 +00:00
mycroft
b3853549b3
Always copy back both the record and play parameters, in case the driver had
...
to change one behind our back.
1998-08-09 04:54:44 +00:00
augustss
48bae9ee88
Add MIDI support. The MIDI devices can be accessed as ``raw'' through
...
the /dev/rmidiN devices, or with a sequencer interface via /dev/music.
So far the only supported MIDI device is the MPU401 port on SoundBlaster
(and only on SB on isapnp, since we do not have locators with multiple
values yet).
1998-08-07 00:00:55 +00:00
augustss
28e2d6024a
Clarify a comment.
1998-08-05 16:38:09 +00:00
augustss
5b057ab09f
Allow option AUDIO_INTR_TIME even if the platform does not support
...
FP in the kernel.
1998-08-04 11:26:14 +00:00
mycroft
f37f08c48e
This doesn't need opt_compat_netbsd.h any more.
1998-07-09 09:27:33 +00:00
mycroft
401accfd7a
Don't #ifdef the encoding compatibility crud. It's needed for source
...
compatibility with other systems and much third party software.
1998-07-09 02:45:45 +00:00
jonathan
d275e56dee
* defopt COMPAT_{09,10,11,12,13} and COMPAT_NOMID.
...
TODO: revisit interaction between native compat and emul compat usage.
1998-07-05 08:49:30 +00:00
augustss
54281b8662
Avoid spaces in tsleep() string.
1998-05-18 18:27:43 +00:00
augustss
88edb37522
Be more verbose if attaching the audio device fails.
1998-05-15 15:45:58 +00:00
augustss
df71a424d6
Change debug printing a littel again.
1998-04-28 23:19:20 +00:00
augustss
127acabd9c
Add a few more debug messages and clean up debug printing a little.
1998-04-28 09:07:12 +00:00
augustss
44c6ce78d2
Avoid the name free so the MALLOCLOG option works again.
...
Fix some typos.
1998-03-03 09:16:15 +00:00
thorpej
43ba4e27bd
Adjust for config changes.
1998-01-12 08:44:08 +00:00
augustss
a908b2b30e
Fix three problems spotted by mycroft:
...
- Closing the audio device should stop recording.
- Manipulating the pause function could accidentally start playing or recording.
- AUDIO_FLUSH could accidentally start playing or recording.
1997-12-03 01:01:19 +00:00
augustss
b366d54e2e
Fix slight glitch in last commit when AUDIO_DEBUG is on.
1997-10-29 02:11:45 +00:00
augustss
9f84e63746
Do audio attachment the right way. From Chris Demetriou.
...
(Maybe I'll get the hang of the configuration stuff one of these days. :-)
1997-10-29 02:00:20 +00:00
augustss
e7029fc0da
Make the audio API (almost) SunOS compatible.
...
The changes is to allow some limited mixer manipulation through
the audio device (instead of the mixer device).
This rendered 4 methods in audio_hw_if unused so garbage collect these.
1997-10-19 07:41:33 +00:00
is
25ea46120a
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
1997-10-16 23:57:56 +00:00
augustss
31ab81c6e4
Aignore interrupts if the device isn't open.
1997-10-16 16:41:18 +00:00
augustss
0d79fbe5c5
Don't test for unused methods.
1997-10-14 18:43:42 +00:00
mycroft
3cdff9d435
GETPROPS does not indicate whether the device is currently in full-duplex
...
mode. Reinstate GETFD to return this information.
1997-10-11 11:16:28 +00:00
augustss
4f2068ec29
Sanity check hi/lo water mark settings better.
1997-10-07 22:40:43 +00:00
augustss
ffcdaf144d
Move around splaudio() to (hopefully) get rid of some rare race conditions.
...
Add a missing call to round_blocksize.
Add some MIDI stuff that will be used in the future.
1997-09-06 01:14:48 +00:00
thorpej
d2a9d1970d
Don't deference a bad pointers if you try to open an audio device that's
...
not configured.
1997-08-27 18:54:28 +00:00
augustss
955e1e9119
Make sure audio device starts in half-duplex mode and document the fact.
1997-08-26 19:03:55 +00:00
augustss
6616d47838
- Change audio_hw_if a little: set_param now sets the play and record modes
...
at the same time instead by using two different calls. This enables
it to check more easily if the combined mode is all right.
- Improve the error checking in audio.c.
- Add a new audio property, AUDIO_PROP_INDEPENDENT, show if the
play and record settings are independent.
- Fix some buglets in audio.c.
1997-08-24 22:31:23 +00:00
augustss
332ad95e76
Change the MI audio driver so it attaches to the MD driver in the
...
normal way. This requires adding a line to the config files to
get audio to work again.
1997-08-19 23:49:33 +00:00
augustss
e5b75f05d4
Make a slight change to when blocksize, hi- and lo-water marks are
...
recalculated. The new semantics is more intuitive(?) and makes Doom
work :-)
1997-08-18 23:20:09 +00:00
augustss
34085fae66
Implement /dev/audioctl. It behaves much like /dev/sound, but only
...
allows ioctl() and can be opened at any time.
1997-08-18 21:19:02 +00:00
augustss
8f096d087f
Implement delivery of SIGIO on changes to /dev/mixer.
1997-08-11 01:38:12 +00:00
augustss
9a770a177f
Make setting the audio block size sticky.
...
Change the calculated block size to correspond to 50 ms of sound
(was 20 ms, it seems needlessly small).
1997-08-08 00:03:26 +00:00
augustss
3c6f8bc89e
Restructure a little to make sure AUDIO_FLUSH restarts the looping DMA.
1997-08-06 23:08:26 +00:00
fair
aae99e192d
%x -> 0x%x
1997-08-06 07:39:59 +00:00
augustss
c392128002
Audio:
...
* Make it possible to use software assisted encodings that expand the
sample size.
* Use 16 bits per sample when emulating mulaw coding on the SB.
* Prepare for SB16 without CT1745 mixer.
1997-08-04 09:29:51 +00:00
augustss
3bef8402d3
Implement FIONBIO in audio_ioctl.
1997-08-01 17:04:00 +00:00
augustss
658656bb99
Audio changes:
...
- Change the way attach and open works to allow multiple audio
devices.
- Split the mulaw.c file into two to avoid dragging in mulaw
convertsion when they are not needed. Add 16 bit alaw/mulaw tables.
- Change the way audio properties are gotten.
- Recognize more versions os SoundBlaster.
1997-07-31 22:33:08 +00:00
augustss
a63034762b
Audio: Remove the machine dependant code I put in audio.c by mistake.
...
This adds another method to audio_hw_if. Also remove a field from
audio_hw_if that was not read-only.
1997-07-28 20:56:05 +00:00
augustss
d5b1561c91
Temporary fix to make it compile on non-i386.
1997-07-28 09:28:04 +00:00
augustss
f6cd87f322
audio: Minor cleanup and enable looping DMA for PSS and PAS.
1997-07-28 01:31:50 +00:00
augustss
d58bc6796f
audio: Simplify handling of AUDIO_SETFD and committing of encoding mode.
1997-07-27 23:51:48 +00:00
augustss
63decd9438
Fix divide by 0 bug in audio driver.
1997-07-27 23:06:04 +00:00
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
augustss
8727da130b
In the name of backwards compatibility AUDIO_ENCODING_LINEAR has been
...
renamed AUDIO_ENCODING_SLINEAR and AUDIO_ENCODING_LINEAR reverts to the
NetBSD 1.2 sematics. A kernel with COMPAT_12 defined will accept
AUDIO_ENCODING_LINEAR and treat it as before, without COMPAT_12 it
will be rejected.
1997-07-15 07:46:04 +00:00
augustss
73ff4bd775
Allow more than one hardware driver to attach to the audio upper layer.
1997-05-27 23:24:56 +00:00
augustss
1fd29f4172
Make the audio default parameters into a globally accessible constant.
1997-05-20 12:51:43 +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
4b487c00bd
Clean up audio_silence_copyout().
1997-05-11 00:41:12 +00:00
jtk
c7be49441e
fix typo: LINEAR should have been ULINEAR
1997-05-10 19:01:53 +00:00
augustss
e63a553175
Change the interface between high and lowlevel audio drivers again:
...
Set the encoding parameters slightly differently.
Remove the SW encoding/decodinf functions from this interface
and move them to the audio_parameter struct; this is both more efficient
and flexible.
1997-05-09 22:16:27 +00:00
augustss
c397fa8357
Return audio buffer size in audio_info_t with ioctl() AUDIO_GETINFO.
...
Use the buffer size to implement one more OSS ioctl().
1997-05-07 19:24:25 +00:00
augustss
c4a52794f1
Convert to new orthogonal audio encoding scheme and implement
...
some of the new encodings. The change to ioctl AUDIO_GETENC is
NOT backwards compatible.
1997-05-07 18:51:31 +00:00
kleink
269ccaa71b
Fix typo in last commit; from Thorsten Frueauf <frueauf@ira.uka.de>
...
in PR/3566.
1997-05-01 12:27:10 +00:00
augustss
526ef2f618
Change the interface between the high and low level audio drivers
...
so that all audio encoding parameters are set at once. This simplifies
the interface and make error checking easier.
1997-04-29 21:01:33 +00:00
pk
231a4bfb1f
Remove bogus pointer cast.
...
Accept FIONBIO ioctls.
1997-04-19 21:25:43 +00:00
mycroft
2c6048e49f
Make sure to recalculate the block size after changing the
...
sampling rate. Also, nuke the global variable audio_blocksize.
1997-03-20 16:13:55 +00:00
mycroft
c1cc14fa25
Combine set_encoding and set_precision into a single set_format interface.
1997-03-20 06:48:48 +00:00
mycroft
8b4878a6ba
Fill in silence-padded blocks so we don't get gaps. From PR 3357,
...
by Lennart Augustsson.
1997-03-20 03:19:53 +00:00
mycroft
b0c4e068d0
Modify audio_fill_silence() to take an encoding number rather than a softc*
...
and mode.
1997-03-13 02:45:07 +00:00
mycroft
ac3b8b13b7
Don't share the silence block between devices. Make silence filling work for
...
more encodings, and make it device-independent. From Lennart Augustsson, in
PR kern/3305.
1997-03-13 02:19:32 +00:00
perry
1c47a4325b
close 3079 from Jason Baker -- fixes a test in audio_poll
1997-01-18 04:02:58 +00:00
pk
39379f9a46
Reset `sc_async' on device close.
1996-11-01 23:05:45 +00:00
jtk
aa8449a9ef
fix compile errors & warnings
1996-10-16 01:12:18 +00:00
christos
86373f8cf9
backout kprintf changes
1996-10-13 01:37:04 +00:00
christos
5d85fa8122
printf -> kprintf, sprintf -> ksprintf
1996-10-10 22:25:05 +00:00
mycroft
2bc736661a
Implement poll(2).
1996-09-07 12:40:22 +00:00
mycroft
e1ea13d92a
Fix typo.
1996-09-01 23:54:53 +00:00
mycroft
664a66d009
Add mmap method for audio devices.
...
XXX This is just a placeholder to avoid updating conf.h again.
Also, clean up some error values.
1996-09-01 21:33:43 +00:00
mycroft
4abbd9427d
Remove intr.h for now. This requires more work.
1996-05-13 02:26:15 +00:00
mycroft
682960c500
Use intr.h on alpha and i386.
1996-05-13 01:01:55 +00:00
christos
1e2c047be7
- Don't use dev_conf.h
...
- Remove unnecessary prototypes
- Fix ioctl arguments
- Don't use kprintf(...TO_LOG...); directly. This does not set the log
priority, and uses priority of the previous message. Use log() with %:
1996-03-30 22:51:23 +00:00
mycroft
5c3bc6f120
Use %p as appropriate.
1996-03-29 00:11:42 +00:00
christos
e023a87a11
Bring prototypes into scope.
1996-03-14 19:05:07 +00:00
christos
d318abdbc4
prototypes for ccd audio and ncr5380
1996-03-07 15:00:07 +00:00
mycroft
d1b5c90fd6
Check for errors while changing gain.
1996-02-20 11:47:22 +00:00
mycroft
5f732f379e
Trivial (and probably not very good) implementation of SIGIO.
1996-02-20 10:00:31 +00:00
jtk
4f3fc10939
Fix PR#2060 (add AUDIO_PERROR ioctl to query # of playback drops), also
...
fix semantics of AUDIO_WERROR (now returns a count).
Also repair audio driver back to "real-time mode" where user must
provide data quickly enough for real time audio or silence is played
until user catches up. Add optional "play all" mode (additional bit in
mode field) to play all samples provided, with silence when needed to
avoid buffer underrun.
1996-02-17 02:28:56 +00:00
mycroft
8ba7909bb4
Eliminate sc_silence, and handle output interrupts somewhat differently.
...
From John Kohl, slightly edited.
1996-02-16 02:25:43 +00:00
mycroft
47246947c7
Adjust the low and high watermarks. Based on a suggestion from Lennart
...
Augustsson.
1996-02-08 03:05:34 +00:00
scottr
186d69c204
Don't adjust the number of blocks in the ring buffer if the driver
...
is currently outputting silence. Fix from Lennart Augustsson
<augustss@cs.chalmers.se>, closes PR #2010 .
1996-02-05 21:11:10 +00:00
mycroft
0b6a86dfe5
Make the block size always a whole number of samples.
1996-01-07 06:21:02 +00:00
pk
de0584fa25
Avoid zero blocksize (from David Huang; PR#1770).
1996-01-05 13:16:30 +00:00
cgd
13bf4371ae
delete extra (blank) line in comment block
1995-11-24 23:45:40 +00:00
brezak
693043d786
GUS audio driver from John Kohl.
1995-07-19 19:58:09 +00:00