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seems I have to enable ADC PA for sound to come out

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This commit is contained in:
jmcneill 2014-09-06 16:47:03 +00:00
parent 71264cc76d
commit 323570540d
1 changed files with 7 additions and 2 deletions
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9
sys/arch/arm/allwinner/awin_ac.c
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@ -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 <jmcneill@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 1.6 2014/09/06 14:53:41 jmcneill Exp $")
#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;