Module Name: src
Committed By: jmcneill
Date: Sat Sep 6 20:54:53 UTC 2014
Modified Files:
src/sys/arch/arm/allwinner: awin_ac.c
Log Message:
mmap support
To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 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:1.9 src/sys/arch/arm/allwinner/awin_ac.c:1.10
--- src/sys/arch/arm/allwinner/awin_ac.c:1.9 Sat Sep 6 17:10:17 2014
+++ src/sys/arch/arm/allwinner/awin_ac.c Sat Sep 6 20:54:53 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: awin_ac.c,v 1.9 2014/09/06 17:10:17 jmcneill Exp $ */
+/* $NetBSD: awin_ac.c,v 1.10 2014/09/06 20:54:53 jmcneill Exp $ */
/*-
* Copyright (c) 2014 Jared D. McNeill <[email protected]>
@@ -30,7 +30,7 @@
#include "opt_ddb.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.9 2014/09/06 17:10:17 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.10 2014/09/06 20:54:53 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -198,6 +198,7 @@ static int awinac_get_port(void *, mixer
static int awinac_query_devinfo(void *, mixer_devinfo_t *);
static void * awinac_allocm(void *, int, size_t);
static void awinac_freem(void *, void *, size_t);
+static paddr_t awinac_mappage(void *, void *, off_t, int);
static int awinac_getdev(void *, struct audio_device *);
static int awinac_get_props(void *);
static int awinac_round_blocksize(void *, int, int,
@@ -222,6 +223,7 @@ static const struct audio_hw_if awinac_h
.halt_input = awinac_halt_input,
.allocm = awinac_allocm,
.freem = awinac_freem,
+ .mappage = awinac_mappage,
.getdev = awinac_getdev,
.set_port = awinac_set_port,
.get_port = awinac_get_port,
@@ -710,6 +712,25 @@ awinac_freem(void *priv, void *addr, siz
}
}
+static paddr_t
+awinac_mappage(void *priv, void *addr, off_t off, int prot)
+{
+ struct awinac_softc *sc = priv;
+ struct awinac_dma *dma;
+
+ if (off < 0)
+ return -1;
+
+ LIST_FOREACH(dma, &sc->sc_dmalist, dma_list) {
+ if (dma->dma_addr == addr) {
+ return bus_dmamem_mmap(sc->sc_dmat, dma->dma_segs,
+ dma->dma_nsegs, off, prot, BUS_DMA_WAITOK);
+ }
+ }
+
+ return -1;
+}
+
static int
awinac_getdev(void *priv, struct audio_device *audiodev)
{
@@ -722,7 +743,8 @@ awinac_getdev(void *priv, struct audio_d
static int
awinac_get_props(void *priv)
{
- return AUDIO_PROP_PLAYBACK|AUDIO_PROP_CAPTURE|AUDIO_PROP_INDEPENDENT;
+ return AUDIO_PROP_PLAYBACK|AUDIO_PROP_CAPTURE|
+ AUDIO_PROP_INDEPENDENT|AUDIO_PROP_MMAP;
}
static int
