Commit Graph

35 Commits

Author SHA1 Message Date
Cameron Grant
66ef8af5b0 mega-commit.
this introduces a new buffering mechanism which results in dramatic
simplification of the channel manager.

as several structures have changed, we take the opportunity to move their
definitions into the source files where they are used, make them private and
de-typedef them.

the sound drivers are updated to use snd_setup_intr instead of
bus_setup_intr, and to comply with the de-typedefed structures.

the ac97, mixer and channel layers have been updated with finegrained
locking, as have some drivers- not all though.  the rest will follow soon.
2001-03-24 23:10:29 +00:00
Cameron Grant
9a1ec7ebfd fix a panic triggerable by anyone with read/write access to the audio
devices.  opening /dev/{dsp,dspW,audio}0 and then opening a different device
from that list and closing it resulted in a panic when any operation is
performed on the first fd.

we prevent this happening by denying the second open unless it uses the same
minor device as the first.

PR:		kern/25519
2001-03-13 18:43:22 +00:00
Cameron Grant
350a5fafb1 update code dealing with snd_dbuf objects to do so using a functional interface
modify chn_setblocksize() to pick a default soft-blocksize appropriate to the
sample rate and format in use.  it will aim for a power of two size small
enough to generate block sizes of at most 20ms.  it will also set the
hard-blocksize taking into account rate/format conversions in use.

update drivers to implement setblocksize  correctly:
updated, tested: 	sb16, emu10k1, maestro, solo
updated, untested: 	ad1816, ess, mss, sb8, csa
not updated: 		ds1, es137x, fm801, neomagic, t4dwave, via82c686

i lack hardware to test: ad1816, csa, fm801, neomagic
others will be updated/tested in the next few days.
2000-12-23 03:16:13 +00:00
Cameron Grant
0f55ac6c1a kobjify.
this gives us several benefits, including:

* easier extensibility- new optional methods can be added to
  ac97/mixer/channel classes without having to fixup every driver.

* forward compatibility for drivers, provided no new mandatory methods are
  added.
2000-12-18 01:36:41 +00:00
Cameron Grant
41b3c72639 if a channel dies, rejuvenate it on close() 2000-11-07 00:29:24 +00:00
Cameron Grant
d16b567379 implement SNDCTL_DSP_POST 2000-10-27 22:20:45 +00:00
Cameron Grant
c0960a5e91 handle AFMT_QUERY right 2000-10-26 01:34:54 +00:00
Cameron Grant
513693be6c rework feeder sytem to allow feeders in klds
modify driver capability reporting format to list every audio format
seperately- required for above and because we could not previously indicate
that mono was unsupported.

there should be no functional impact.
2000-08-20 22:18:56 +00:00
Cameron Grant
fa06efc7e6 fix SNDCTL_DSP_GETODELAY
PR:		kern/20340
Submitted by:	Takashi SHIRAI <shirai@nintendo.co.jp>
2000-08-19 18:29:46 +00:00
Nick Sayer
05a1fdb459 Simplex devices will always report EBUSY on 2nd (and subsequent)
opens if the reference count is not decremented on close.

Note that this may result in the reference count being corrupted
on full duplex devices (due to mismatching opens/closes), but the
code doesn't use the reference count for anything on full duplex
devices.
2000-08-02 22:47:44 +00:00
Cameron Grant
e04387c95a fix a bug where opening /dev/dsp twice resulted in it being busy until reboot 2000-07-30 19:36:13 +00:00
Cameron Grant
e4d5b2502d fix a bug where opening for write would not fail if channel allocation failed
when playing, if we stall for 1s with no data advancing, abort and mark the
channel dead - fail all future operations
2000-06-20 23:27:12 +00:00
Cameron Grant
1a50bd2e37 handle duplex properly in the AIOGCAP ioctl - this may (partially?) fix rat 2000-06-07 11:51:30 +00:00
Cameron Grant
94e3845ccd fix the return value of the SOUND_PCM_WRITE_CHANNELS ioctl
re-enable old pcm ioctls
2000-05-27 14:40:17 +00:00
Cameron Grant
d28089a10d move various fields from pcm_channel to snd_dbuf
improve chn_read code- don't stop/restart on overrun, just dump data

more error checking on ioctls
2000-05-26 21:55:13 +00:00
Poul-Henning Kamp
eb95c536ad Remove unneeded #include <sys/kernel.h> 2000-04-29 15:36:14 +00:00
Cameron Grant
a0e22dd8db implement settrigger according to spec
fixes for non-blocking mode
2000-04-23 18:09:18 +00:00
Cameron Grant
8ae4c159aa more mmap fixes 2000-04-17 17:06:47 +00:00
Cameron Grant
603ddb6d5d make mmap sort-of work. there seem to be interactions with certain hw
drivers, so still work in progress.

do various mmap-related ioctls right.

improve blocksize control.

bits of cleanup.
2000-04-15 05:04:12 +00:00
Cameron Grant
bd18f33408 allow /dev/dsp to be opened seperately for reading and writing. 2000-04-05 01:13:42 +00:00
Cameron Grant
45248baa3c handle simplex devices right 2000-01-26 20:27:45 +00:00
Cameron Grant
898cb2af53 make dsp_read() assert that it has a read channel, not a write channel
Submitted by:	green
2000-01-10 07:05:15 +00:00
Cameron Grant
a0b57fb738 - latest 2ndbuffer patch
- make chn_setdir work for rec on isa cards
- note: es1371 does not irq in smp

Submitted by:	tanimura
1999-12-29 03:46:54 +00:00
Cameron Grant
5f070b6772 more dma underrun fixes, using a per-channel 2nd buffer
Submitted by:	tanimura
1999-12-13 03:29:09 +00:00
Cameron Grant
0927bf4365 move channel-swapping support to the hardware driver since it knows the card
state best
1999-12-12 02:18:58 +00:00
Cameron Grant
0e25481f93 fix dma underrun issues
mutate some panics to kasserts
add more spl protection

PR:		kern/14990
Partially Submitted by:	Vladimir N.Silyaev <vns@delta.odessa.ua>
Reviewed by:	dfr
1999-12-05 19:09:13 +00:00
Alfred Perlstein
4d25c041fe tanimura implemented SNDCTL_DSP_GETODELAY for pcm.
Submitted by: tanimura
1999-11-29 23:01:59 +00:00
Cameron Grant
ef9308b1ce repo-copied to make way for newmidi, this commit updates include paths 1999-11-20 16:50:33 +00:00
Doug Rabson
62c631ed7f * Ignore the wierd fakechan workarounds for simplex in dsp_ioctl().
Without this, ioctl commands for setting formats and speeds were
  essentially ignored for simplex devices until the application actually
  performed a read or write.
* Make sure that both channels are set in the SB mixer code and provide a
  mixer table specifically for the ess18xx which supports the extended
  accuracy available on this part.
* Fix a stupid bug in ess_format() which ignored the passed-in format and
  changed the hardware based on the value which was set last time. This
  meant that the hardware setting was often not set correctly at all.
* Add a custom identify driver for the ESS1888 which automagically detects
  and adds the device in a pseudo-PnP way. This driver also emits the magic
  sequence which enables the sound hardware after a hard reset, allowing
  it to work correctly for the sound hardware of a PWS 433au (and probably
  all other PWS class alpha machines).

With these changes, I was able to play back simple sounds on my 433au. I
have not tested recording or any other formats other than 8bit ulaw and
16bit stereo.
1999-11-13 18:31:31 +00:00
Seigo Tanimura
35e6a54a31 Conserve stereo mode in ioctl SNDCTL_DSP_SETFMT.
PR:		14372
Submitted by:	Mattias Pantzare <pantzer@ludd.luth.se>, Ville-Pertti Keinonen <will@iki.fi>
1999-11-07 04:15:30 +00:00
Cameron Grant
5b78a73443 * add a non-reset device- will not reset the channel on open. you
will have to mknod yourself for now.
* don't eat the first write()
* partial rvplayer fix- don't panic on unaligned writes unless our
  feeder chain requires them for downconversion.  a fuller fix is
  on the way.
1999-09-28 21:43:35 +00:00
Peter Wemm
fc80907389 Fix the "dsp sync" debugging printf that was unconditional. Fix a few
formatting nits/glitches/whatever.
1999-09-19 09:53:57 +00:00
Cameron Grant
4a8480837a bugfix: deallocate channels properly if no read/write ops between open/close 1999-09-04 17:03:59 +00:00
Peter Wemm
53c5a968fe $Id$ -> $FreeBSD$ 1999-09-01 06:58:27 +00:00
Cameron Grant
987e59726a say hello to newpcm. it is not yet enabled, requiring new pnp code from dfr
to compile successfully.  further details will be provided in the commit
enabling newpcm.
1999-09-01 04:08:39 +00:00