Module Name:    src
Committed By:   jmcneill
Date:           Tue Sep  6 01:51:44 UTC 2011

Modified Files:
        src/sys/dev/pci/hdaudio: hdafg.c hdaudioreg.h

Log Message:
Add AC3 passthru support, currently untested.


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/dev/pci/hdaudio/hdafg.c
cvs rdiff -u -r1.5 -r1.6 src/sys/dev/pci/hdaudio/hdaudioreg.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/pci/hdaudio/hdafg.c
diff -u src/sys/dev/pci/hdaudio/hdafg.c:1.2 src/sys/dev/pci/hdaudio/hdafg.c:1.3
--- src/sys/dev/pci/hdaudio/hdafg.c:1.2	Sat Feb 12 15:15:34 2011
+++ src/sys/dev/pci/hdaudio/hdafg.c	Tue Sep  6 01:51:44 2011
@@ -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 <supp...@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 @@
 
 	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 @@
 
 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 @@
 	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 @@
 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_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*");
 	}
 
 	/*

Index: src/sys/dev/pci/hdaudio/hdaudioreg.h
diff -u src/sys/dev/pci/hdaudio/hdaudioreg.h:1.5 src/sys/dev/pci/hdaudio/hdaudioreg.h:1.6
--- src/sys/dev/pci/hdaudio/hdaudioreg.h:1.5	Sat Feb 12 15:15:34 2011
+++ src/sys/dev/pci/hdaudio/hdaudioreg.h	Tue Sep  6 01:51:44 2011
@@ -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 <supp...@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)

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