FreeBSD Audio Driver (newpcm: 32bit 2007061600/i386)
Installed devices:
pcm0: <HDA codec #1 Silicon Image (Unknown) PCM #0> at hdac0 cad 1 kld snd_hda [20080905_0107] [MPSAFE] (1p:1v/0r:0v channels default)
	[pcm0:play:dsp0.p0]: spd 48000, fmt 0x10000010, flags 0x00101000, 0x00000020
	interrupts 0, underruns 0, feed 0, ready 0 [b:4096/2048/2|bs:4096/2048/2]
	{userland} -> feeder_vchan(0x10000010) -> feeder_volume(0x10000010) -> {hardware}
	pcm0:play:dsp0.p0[pcm0:virtual:dsp0.vp0]: spd 0, fmt 0x00000000/0x00000008, flags 0x10000000, 0x00000000
	interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:0/0/0]
	{userland} -> feeder_root(0x00000000) -> {hardware}
pcm1: <HDA codec #2 Sigmatel STAC9228X PCM #0> at hdac0 cad 2 kld snd_hda [20080905_0107] [MPSAFE] (1p:1v/1r:1v channels duplex)
	[pcm1:play:dsp1.p0]: spd 48000, fmt 0x10000010, flags 0x00101000, 0x00000020
	interrupts 0, underruns 0, feed 0, ready 0 [b:4096/2048/2|bs:4096/2048/2]
	{userland} -> feeder_vchan(0x10000010) -> feeder_volume(0x10000010) -> {hardware}
	pcm1:play:dsp1.p0[pcm1:virtual:dsp1.vp0]: spd 0, fmt 0x00000000/0x00000008, flags 0x10000000, 0x00000000
	interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:0/0/0]
	{userland} -> feeder_root(0x00000000) -> {hardware}
	[pcm1:record:dsp1.r0]: spd 48000, fmt 0x10000010, flags 0x00101000, 0x00000000
	interrupts 0, overruns 0, feed 0, hfree 4096, sfree 4096 [b:4096/2048/2|bs:4096/2048/2]
	{hardware} -> feeder_root(0x10000010) -> feeder_vchan(0x10000010) -> {userland}
	pcm1:record:dsp1.r0[pcm1:virtual:dsp1.vr0]: spd 0, fmt 0x00000000/0x00000008, flags 0x10000000, 0x00000000
	interrupts 0, overruns 0, feed 0, hfree 0, sfree 0 [b:0/0/0|bs:0/0/0]
	{hardware} -> feeder_root(0x00000000) -> {userland}
pcm2: <HDA codec #2 Sigmatel STAC9228X PCM #1> at hdac0 cad 2 kld snd_hda [20080905_0107] [MPSAFE] (1p:1v/0r:0v channels)
	[pcm2:play:dsp2.p0]: spd 48000, fmt 0x10000010, flags 0x00101000, 0x00000020
	interrupts 0, underruns 0, feed 0, ready 0 [b:4096/2048/2|bs:4096/2048/2]
	{userland} -> feeder_vchan(0x10000010) -> feeder_volume(0x10000010) -> {hardware}
	pcm2:play:dsp2.p0[pcm2:virtual:dsp2.vp0]: spd 0, fmt 0x00000000/0x00000008, flags 0x10000000, 0x00000000
	interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:0/0/0]
	{userland} -> feeder_root(0x00000000) -> {hardware}
pcm3: <HDA codec #2 Sigmatel STAC9228X PCM #2> at hdac0 cad 2 kld snd_hda [20080905_0107] [MPSAFE] (1p:1v/0r:0v channels)
	[pcm3:play:dsp3.p0]: spd 48000, fmt 0x10000010, flags 0x00101000, 0x00000020
	interrupts 0, underruns 0, feed 0, ready 0 [b:4096/2048/2|bs:4096/2048/2]
	{userland} -> feeder_vchan(0x10000010) -> feeder_volume(0x10000010) -> {hardware}
	pcm3:play:dsp3.p0[pcm3:virtual:dsp3.vp0]: spd 0, fmt 0x00000000/0x00000008, flags 0x10000000, 0x00000000
	interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:0/0/0]
	{userland} -> feeder_root(0x00000000) -> {hardware}

File Versions:
$FreeBSD: src/sys/dev/sound/pci/hda/hdac.c,v 1.55 2008/07/15 02:34:44 delphij 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/fake.c,v 1.18 2007/03/15 18:19:01 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/vchan.c,v 1.36 2007/06/16 03:37:28 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/dsp.c,v 1.107.2.1 2008/05/28 14:45:05 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/sound.c,v 1.119 2007/06/17 19:02:05 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/feeder_fmt.c,v 1.23 2007/06/02 13:07:44 joel Exp $
$FreeBSD: src/sys/dev/sound/pcm/ac97.c,v 1.73.2.1 2007/10/29 18:47:47 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/sndstat.c,v 1.28 2007/06/16 03:37:28 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/feeder.c,v 1.44 2007/06/17 15:53:11 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/channel.c,v 1.121.2.1 2007/12/06 05:21:39 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/mixer.c,v 1.61 2007/06/16 03:37:28 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/buffer.c,v 1.37 2007/06/16 03:37:27 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/feeder_volume.c,v 1.6 2007/06/16 20:36:39 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/feeder_rate.c,v 1.23 2007/06/16 03:37:28 ariff Exp $
$FreeBSD: src/sys/dev/sound/pcm/ac97_patch.c,v 1.10.2.1 2007/10/29 18:47:27 ariff Exp $