FreeBSD Audio Driver (newpcm: 32bit)
Installed devices:
pcm0: <NVidia MCP51 High Definition Audio Controller> at memory 0xdf5d8000 irq 20 kld snd_hda [20070320_0043] (1p/1r/1v channels duplex default)
	[pcm0:play:0:dsp0.p0]: spd 48000, fmt 0x10000010, flags 0x00101020, 0x00000020
	interrupts 5005, underruns 0, feed 5005, ready 0 [b:4096/2048/2|bs:4096/2048/2]
	{userland} -> feeder_vchan(0x10000010) -> feeder_volume(0x10000010) -> {hardware}
	[pcm0:record:0:dsp0.r0]: spd 0, fmt 0x00000000/0x00000008, flags 0x00000000, 0x00000000
	interrupts 0, overruns 0, feed 0, hfree 16384, sfree 0 [b:16384/8192/2|bs:0/0/0]
	{hardware} -> feeder_root(0x00000000) -> {userland}
	pcm0:play:0:dsp0.p0[pcm0:virtual:0:dsp0.v0]: spd 48000, fmt 0x10000010, flags 0x10001030, 0x00000000, pid 1815
	interrupts 0, underruns 0, feed 5005, ready 59520 [b:0/0/0|bs:65536/2048/32]
	{userland} -> feeder_root(0x10000010) -> {hardware}

File Versions:
$FreeBSD: src/sys/dev/sound/pci/hda/hdac.c,v 1.33 2007/03/21 18:17:02 ariff Exp $
$FreeBSD: src/sys/dev/sound/isa/sndbuf_dma.c,v 1.3 2005/01/06 01:43:17 imp Exp $
$FreeBSD: src/sys/dev/sound/pcm/vchan.c,v 1.31 2007/03/18 18:26:40 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/sound.c,v 1.112 2007/03/15 18:19:01 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/sndstat.c,v 1.25 2007/03/16 17:13:12 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/mixer.c,v 1.58 2007/04/02 10:24:15 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/feeder_volume.c,v 1.4 2007/03/16 17:14:19 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/feeder_rate.c,v 1.20 2007/03/16 17:16:56 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/feeder_fmt.c,v 1.22 2007/03/16 17:16:24 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/feeder.c,v 1.40 2007/03/16 17:15:33 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/fake.c,v 1.18 2007/03/15 18:19:01 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/dsp.c,v 1.102 2007/03/16 17:17:25 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/channel.c,v 1.117 2007/04/02 03:03:06 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/buffer.c,v 1.33 2007/03/21 18:17:03 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/ac97_patch.c,v 1.7 2007/02/04 06:52:33 joel Exp $
$FreeBSD: src/sys/dev/sound/pcm/ac97.c,v 1.66 2007/03/15 18:19:01 ariff Exp $