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Add AC3 passthru support, currently untested.

This commit is contained in:
jmcneill 2011-09-06 01:51:44 +00:00
parent 5fc89c79bc
commit 096e3664e1
2 changed files with 47 additions and 19 deletions
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61
sys/dev/pci/hdaudio/hdafg.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: hdafg.c,v 1.2 2011/02/12 15:15:34 jmcneill Exp $ */
/* $NetBSD: hdafg.c,v 1.3 2011/09/06 01:51:44 jmcneill Exp $ */
/*
* Copyright (c) 2009 Precedence Technologies Ltd <support@precedence.co.uk>
@ -60,7 +60,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hdafg.c,v 1.2 2011/02/12 15:15:34 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: hdafg.c,v 1.3 2011/09/06 01:51:44 jmcneill Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -3041,7 +3041,7 @@ hdafg_stream_connect(struct hdafg_softc *sc, int mode)
KASSERT(mode == AUMODE_PLAY || mode == AUMODE_RECORD);
dfmt = COP_DIGITAL_CONVCTRL1_DIGEN; /* TODO: AC3 */
dfmt = COP_DIGITAL_CONVCTRL1_DIGEN;
if (mode == AUMODE_PLAY)
fmt = hdaudio_stream_param(sc->sc_audiodev.ad_playback,
@ -3216,7 +3216,7 @@ hdafg_bits_supported(struct hdafg_softc *sc, u_int bits)
static bool
hdafg_probe_encoding(struct hdafg_softc *sc,
u_int validbits, u_int precision, bool force)
u_int validbits, u_int precision, int encoding, bool force)
{
struct audio_format f;
int i;
@ -3227,7 +3227,7 @@ hdafg_probe_encoding(struct hdafg_softc *sc,
memset(&f, 0, sizeof(f));
f.driver_data = NULL;
f.mode = 0;
f.encoding = AUDIO_ENCODING_SLINEAR_LE;
f.encoding = encoding;
f.validbits = validbits;
f.precision = precision;
f.channels = 0;
@ -3271,8 +3271,10 @@ static void
hdafg_configure_encodings(struct hdafg_softc *sc)
{
struct hdaudio_assoc *as = sc->sc_assocs;
struct hdaudio_widget *w;
struct audio_format f;
int nchan, i;
uint32_t stream_format;
int nchan, i, nid;
sc->sc_pchan = sc->sc_rchan = 0;
@ -3295,20 +3297,43 @@ hdafg_configure_encodings(struct hdafg_softc *sc)
hdafg_possible_rates[i]))
hda_print1(sc, " %uHz", hdafg_possible_rates[i]);
if (hdafg_probe_encoding(sc, 8, 16, false))
hda_print1(sc, " 8/16");
if (hdafg_probe_encoding(sc, 16, 16, false))
hda_print1(sc, " 16/16");
if (hdafg_probe_encoding(sc, 20, 32, false))
hda_print1(sc, " 20/32");
if (hdafg_probe_encoding(sc, 24, 32, false))
hda_print1(sc, " 24/32");
if (hdafg_probe_encoding(sc, 32, 32, false))
hda_print1(sc, " 32/32");
stream_format = sc->sc_p.stream_format;
for (nid = sc->sc_startnode; nid < sc->sc_endnode; nid++) {
w = hdafg_widget_lookup(sc, nid);
if (w == NULL)
continue;
stream_format |= w->w_p.stream_format;
}
if (stream_format == 0) {
hda_print(sc,
"WARNING: unsupported stream format mask 0x%X, assuming PCM\n",
stream_format);
stream_format |= COP_STREAM_FORMAT_PCM;
}
if (stream_format & COP_STREAM_FORMAT_PCM) {
int e = AUDIO_ENCODING_SLINEAR_LE;
if (hdafg_probe_encoding(sc, 8, 16, e, false))
hda_print1(sc, " PCM8");
if (hdafg_probe_encoding(sc, 16, 16, e, false))
hda_print1(sc, " PCM16");
if (hdafg_probe_encoding(sc, 20, 32, e, false))
hda_print1(sc, " PCM20");
if (hdafg_probe_encoding(sc, 24, 32, e, false))
hda_print1(sc, " PCM24");
if (hdafg_probe_encoding(sc, 32, 32, e, false))
hda_print1(sc, " PCM32");
}
if (stream_format & COP_STREAM_FORMAT_AC3) {
int e = AUDIO_ENCODING_AC3;
if (hdafg_probe_encoding(sc, 16, 16, e, false))
hda_print1(sc, " AC3");
}
if (sc->sc_audiodev.ad_nformats == 0) {
hdafg_probe_encoding(sc, 16, 16, true);
hda_print1(sc, " 16/16*");
hdafg_probe_encoding(sc, 16, 16, AUDIO_ENCODING_SLINEAR_LE, true);
hda_print1(sc, " PCM16*");
}
/*

5
sys/dev/pci/hdaudio/hdaudioreg.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: hdaudioreg.h,v 1.5 2011/02/12 15:15:34 jmcneill Exp $ */
/* $NetBSD: hdaudioreg.h,v 1.6 2011/09/06 01:51:44 jmcneill Exp $ */
/*
* Copyright (c) 2009 Precedence Technologies Ltd <support@precedence.co.uk>
@ -183,6 +183,9 @@
#define COP_AWCAP_TYPE_VENDOR_DEFINED 0xf
#define COP_SUPPORTED_PCM_SIZE_RATES 0x0a
#define COP_SUPPORTED_STREAM_FORMATS 0x0b
#define COP_STREAM_FORMAT_PCM (1 << 0)
#define COP_STREAM_FORMAT_FLOAT32 (1 << 1)
#define COP_STREAM_FORMAT_AC3 (1 << 2)
#define COP_PIN_CAPABILITIES 0x0c
#define COP_PINCAP_IMPEDANCE_SENSE_CAPABLE (1 << 0)
#define COP_PINCAP_TRIGGER_REQD (1 << 1)