diff --git a/sys/dev/sound/macio/aoa.c b/sys/dev/sound/macio/aoa.c
index 2e9cdd59e842..cd90d7f908f0 100644
--- a/sys/dev/sound/macio/aoa.c
+++ b/sys/dev/sound/macio/aoa.c
@@ -106,7 +106,7 @@ aoa_dma_set_program(struct aoa_dma *dma)
 static struct aoa_dma * 
 aoa_dma_create(device_t self)
 {
-	struct aoa_softc *sc = device_get_softc(self);
+	struct aoa_softc *sc = pcm_getdevinfo(self);
 	struct aoa_dma *dma;
 	bus_dma_tag_t 	tag;
 	int 		err;
@@ -215,7 +215,7 @@ aoa_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b,
 	struct pcm_channel *c, int dir)
 {
 	device_t 		 self = devinfo;
-	struct aoa_softc 	*sc = device_get_softc(self);
+	struct aoa_softc 	*sc = pcm_getdevinfo(self);
 	struct aoa_dma		*dma;
 	int 	 		 max_slots, err;
 
@@ -357,12 +357,12 @@ static kobj_method_t aoa_chan_methods[] = {
 CHANNEL_DECLARE(aoa_chan);
 
 int
-aoa_attach(device_t self)
+aoa_attach(device_t self, void *sc)
 {
 	char status[SND_STATUSLEN];
 	int err;
 
-	if (pcm_register(self, self, 1, 0))
+	if (pcm_register(self, sc, 1, 0))
 		return (ENXIO);
 
 	err = pcm_getbuffersize(self, AOA_BUFFER_SIZE, AOA_BUFFER_SIZE,
diff --git a/sys/dev/sound/macio/aoa.h b/sys/dev/sound/macio/aoa.h
index 152fd77852cb..c2167311c878 100644
--- a/sys/dev/sound/macio/aoa.h
+++ b/sys/dev/sound/macio/aoa.h
@@ -28,17 +28,19 @@
 #ifndef SOUND_AOA_H
 #define SOUND_AOA_H
 
+#ifndef AOA_DEBUG
 #define DPRINTF(x)	/* nothing */
-/* #define DPRINTF(x)	printf x */
+#else
+#define DPRINTF(x)	printf x
+#endif
 
 struct aoa_softc {
-	u_int8_t	  sc_super[PCM_SOFTC_SIZE];
 	void		 *sc_intrp;
 	struct resource	 *sc_odma;
 };
 
 void	aoa_interrupt(void *);
-int	aoa_attach(device_t);
+int	aoa_attach(device_t, void *sc);
 
 #endif /* SOUND_AOA_H */
 
diff --git a/sys/dev/sound/macio/davbus.c b/sys/dev/sound/macio/davbus.c
index 7e2098932c1f..9729178136f7 100644
--- a/sys/dev/sound/macio/davbus.c
+++ b/sys/dev/sound/macio/davbus.c
@@ -78,7 +78,7 @@ static device_method_t pcm_davbus_methods[] = {
 static driver_t pcm_davbus_driver = {
 	"pcm",
 	pcm_davbus_methods,
-	sizeof(struct davbus_softc)
+	PCM_SOFTC_SIZE
 };
 
 DRIVER_MODULE(pcm_davbus, macio, pcm_davbus_driver, pcm_devclass, 0, 0);
@@ -91,7 +91,6 @@ static int
 davbus_probe(device_t self)
 {
 	const char 		*name;
-	struct davbus_softc 	*sc;
 
 	name = ofw_bus_get_name(self);
 	if (!name)
@@ -100,11 +99,6 @@ davbus_probe(device_t self)
 	if (strcmp(name, "davbus") != 0)
 		return (ENXIO);
 	
-	sc = device_get_softc(self);
-	if (!sc)
-		return (ENOMEM);
-	bzero(sc, sizeof(*sc));
-
 	device_set_desc(self, "Apple DAVBus Audio Controller");
 
 	return (0);
@@ -495,12 +489,14 @@ screamer_setrecsrc(struct snd_mixer *m, u_int32_t src)
 static int
 davbus_attach(device_t self)
 {
-	struct davbus_softc 	*sc = device_get_softc(self);
+	struct davbus_softc 	*sc;
 	struct resource 	*dbdma_irq, *cintr;
 	void 			*cookie;
 	char			 compat[64];
 	int 			 rid, oirq, err;
 
+	sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
+
 	sc->dev = self;
 	sc->node = ofw_bus_get_node(self);
 	sc->soundnode = OF_child(sc->node);
@@ -559,7 +555,7 @@ davbus_attach(device_t self)
 	    DAVBUS_OUTPUT_SUBFRAME0 | DAVBUS_RATE_44100 | DAVBUS_INTR_PORTCHG);
 
 	/* Attach DBDMA engine and PCM layer */
-	err = aoa_attach(self);
+	err = aoa_attach(self,sc);
 	if (err)
 		return (err);
 
diff --git a/sys/dev/sound/macio/i2s.c b/sys/dev/sound/macio/i2s.c
index 0ff81629d123..47943a0ab2b6 100644
--- a/sys/dev/sound/macio/i2s.c
+++ b/sys/dev/sound/macio/i2s.c
@@ -111,7 +111,7 @@ static device_method_t pcm_i2s_methods[] = {
 static driver_t pcm_i2s_driver = {
 	"pcm",
 	pcm_i2s_methods,
-	sizeof(struct i2s_softc)
+	PCM_SOFTC_SIZE
 };
 
 DRIVER_MODULE(pcm_i2s, macio, pcm_i2s_driver, pcm_devclass, 0, 0);
@@ -153,7 +153,6 @@ static int
 i2s_probe(device_t self)
 {
 	const char 		*name;
-	struct i2s_softc 	*sc;
 
 	name = ofw_bus_get_name(self);
 	if (!name)
@@ -162,11 +161,6 @@ i2s_probe(device_t self)
 	if (strcmp(name, "i2s") != 0)
 		return (ENXIO);
 	
-	sc = device_get_softc(self);
-	if (!sc)
-		return (ENOMEM);
-	bzero(sc, sizeof(*sc));
-
 	device_set_desc(self, "Apple I2S Audio Controller");
 
 	return (0);
@@ -177,11 +171,13 @@ static phandle_t of_find_firstchild_byname(phandle_t, const char *);
 static int
 i2s_attach(device_t self)
 {
-	struct i2s_softc 	*sc = device_get_softc(self);
+	struct i2s_softc 	*sc;
 	struct resource 	*dbdma_irq;
 	void			*dbdma_ih;
 	int 			 rid, oirq, err;
 	phandle_t 		 port;
+	
+	sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
 
 	sc->dev = self;
 	sc->node = ofw_bus_get_node(self);
@@ -242,7 +238,7 @@ i2s_attach(device_t self)
 	if (config_intrhook_establish(i2s_delayed_attach) != 0)
 		return (ENOMEM);
 
-	return (aoa_attach(self));
+	return (aoa_attach(self,sc));
 }
 
 /*****************************************************************************
@@ -322,7 +318,6 @@ aoagpio_probe(device_t gpio)
 	/* Try to find a match. */
 	for (m = gpio_controls; m->name != NULL; m++) {
 		if (strcmp(name, m->name) == 0) {
-
 			sc = device_get_softc(gpio);
 			gpio_ctrls[m->ctrl] = sc;
 			sc->dev = gpio;
@@ -731,7 +726,7 @@ i2s_postattach(void *arg)
 	KASSERT(self != NULL, ("bad arg"));
 	KASSERT(i2s_delayed_attach != NULL, ("bogus call"));
 
-	sc = device_get_softc(self);
+	sc = pcm_getdevinfo(self);
 
 	/* Reset the codec. */
 	i2s_audio_hw_reset(sc);