Module Name: src
Committed By: jmcneill
Date: Sat Sep 6 16:47:03 UTC 2014
Modified Files:
src/sys/arch/arm/allwinner: awin_ac.c
Log Message:
seems I have to enable ADC PA for sound to come out
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/arm/allwinner/awin_ac.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/allwinner/awin_ac.c
diff -u src/sys/arch/arm/allwinner/awin_ac.c:1.6 src/sys/arch/arm/allwinner/awin_ac.c:1.7
--- src/sys/arch/arm/allwinner/awin_ac.c:1.6 Sat Sep 6 14:53:41 2014
+++ src/sys/arch/arm/allwinner/awin_ac.c Sat Sep 6 16:47:03 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: awin_ac.c,v 1.6 2014/09/06 14:53:41 jmcneill Exp $ */
+/* $NetBSD: awin_ac.c,v 1.7 2014/09/06 16:47:03 jmcneill Exp $ */
/*-
* Copyright (c) 2014 Jared D. McNeill <jmcne...@invisible.ca>
@@ -30,7 +30,7 @@
#include "opt_ddb.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.6 2014/09/06 14:53:41 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.7 2014/09/06 16:47:03 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -117,6 +117,7 @@ __KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v
#define AC_ADC_FIFOS 0x20
#define AC_ADC_RXDATA 0x24
#define AC_ADC_ACTL 0x28
+#define ADC_ACTL_PA_EN __BIT(4)
#define AC_DAC_CNT 0x30
#define AC_ADC_CNT 0x34
#define AC_DAC_CAL 0x38
@@ -372,6 +373,10 @@ awinac_init(struct awinac_softc *sc)
val |= __SHIFTIN(AWINAC_INIT_VOL, DAC_ACTL_PAVOL);
AC_WRITE(sc, AC_DAC_ACTL, val);
+ val = AC_READ(sc, AC_ADC_ACTL);
+ val |= ADC_ACTL_PA_EN;
+ AC_WRITE(sc, AC_ADC_ACTL, val);
+
val = AC_READ(sc, AC_DAC_FIFOC);
val &= ~DAC_FIFOC_IRQ_EN;
val &= ~DAC_FIFOC_DRQ_EN;
