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authorJacob Meuser <jakemsr@cvs.openbsd.org>2008-10-23 21:28:32 +0000
committerJacob Meuser <jakemsr@cvs.openbsd.org>2008-10-23 21:28:32 +0000
commit403c943deb4dc1db75d2ecc26efa828ba93697cf (patch)
treeae799a262f24f430f34bac252c39eb4e5f666e8b /sys/dev/pci
parent7491e407e812bfeeca3f37e3defa99a2da9f149f (diff)
enable 4 and 6 channel support.
tested by a few. no regressions, but 4 and 6 channel playback is not working with all codecs yet. ok ratchov@
Diffstat (limited to 'sys/dev/pci')
-rw-r--r--sys/dev/pci/auich.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/sys/dev/pci/auich.c b/sys/dev/pci/auich.c
index 620e50b4662..fde33499d53 100644
--- a/sys/dev/pci/auich.c
+++ b/sys/dev/pci/auich.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auich.c,v 1.74 2008/09/15 22:40:50 jakemsr Exp $ */
+/* $OpenBSD: auich.c,v 1.75 2008/10/23 21:28:31 jakemsr Exp $ */
/*
* Copyright (c) 2000,2001 Michael Shalayeff
@@ -708,9 +708,12 @@ auich_set_params(v, setmode, usemode, play, rec)
struct audio_params *play, *rec;
{
struct auich_softc *sc = v;
+ struct ac97_codec_if *codec = sc->codec_if;
int error;
u_int orate;
u_int adj_rate;
+ u_int32_t control;
+ u_int16_t ext_id;
if (setmode & AUMODE_PLAY) {
play->factor = 1;
@@ -754,6 +757,17 @@ auich_set_params(v, setmode, usemode, play, rec)
break;
case 2:
break;
+ case 4:
+ ext_id = codec->vtbl->get_caps(codec);
+ if (!(ext_id & AC97_EXT_AUDIO_SDAC))
+ return (EINVAL);
+ break;
+ case 6:
+ ext_id = codec->vtbl->get_caps(codec);
+ if ((ext_id & AC97_BITS_6CH) !=
+ AC97_BITS_6CH)
+ return (EINVAL);
+ break;
default:
return (EINVAL);
}
@@ -903,6 +917,14 @@ auich_set_params(v, setmode, usemode, play, rec)
if (play->sample_rate == adj_rate)
play->sample_rate = orate;
+
+ control = bus_space_read_4(sc->iot, sc->aud_ioh, AUICH_GCTRL);
+ control &= ~AUICH_PCM246_MASK;
+ if (play->channels == 4)
+ control |= AUICH_PCM4;
+ else if (play->channels == 6)
+ control |= AUICH_PCM6;
+ bus_space_write_4(sc->iot, sc->aud_ioh, AUICH_GCTRL, control);
}
if (setmode & AUMODE_RECORD) {