diff options
| author | Jacob Meuser <jakemsr@cvs.openbsd.org> | 2008-10-23 21:28:32 +0000 |
|---|---|---|
| committer | Jacob Meuser <jakemsr@cvs.openbsd.org> | 2008-10-23 21:28:32 +0000 |
| commit | 403c943deb4dc1db75d2ecc26efa828ba93697cf (patch) | |
| tree | ae799a262f24f430f34bac252c39eb4e5f666e8b /sys/dev/pci/auich.c | |
| parent | 7491e407e812bfeeca3f37e3defa99a2da9f149f (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/auich.c')
| -rw-r--r-- | sys/dev/pci/auich.c | 24 |
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) { |