diff --git a/sys/arch/sparc64/dev/ffb.c b/sys/arch/sparc64/dev/ffb.c
index 00840baa3af7..1d2e829971ec 100644
--- a/sys/arch/sparc64/dev/ffb.c
+++ b/sys/arch/sparc64/dev/ffb.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ffb.c,v 1.6 2004/05/21 19:21:31 heas Exp $	*/
+/*	$NetBSD: ffb.c,v 1.7 2004/05/21 21:45:04 heas Exp $	*/
 /*	$OpenBSD: creator.c,v 1.20 2002/07/30 19:48:15 jason Exp $	*/
 
 /*
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ffb.c,v 1.6 2004/05/21 19:21:31 heas Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ffb.c,v 1.7 2004/05/21 21:45:04 heas Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -75,6 +75,7 @@ struct wsscreen_list ffb_screenlist = {
 int	ffb_ioctl(void *, u_long, caddr_t, int, struct proc *);
 int	ffb_alloc_screen(void *, const struct wsscreen_descr *, void **,
 	    int *, int *, long *);
+static int ffb_blank(struct ffb_softc *, u_long, u_int *);
 void	ffb_free_screen(void *, void *);
 int	ffb_show_screen(void *, void *, int, void (*cb)(void *, int, int),
 	    void *);
@@ -108,6 +109,7 @@ ffb_attach(struct ffb_softc *sc)
 	char *model;
 	int btype;
 	int maxrow, maxcol;
+	u_int blank = WSDISPLAYIO_VIDEO_ON;
 	char buf[6+1];
 
 	printf(":");
@@ -164,6 +166,8 @@ ffb_attach(struct ffb_softc *sc)
 	ffb_stdscreen.ncols = sc->sc_rasops.ri_cols;
 	ffb_stdscreen.textops = &sc->sc_rasops.ri_ops;
 
+	ffb_blank(sc, WSDISPLAYIO_SVIDEO, &blank);
+
 	if (sc->sc_console) {
 		int *ccolp, *crowp;
 		long defattr;
@@ -234,6 +238,8 @@ ffb_ioctl(v, cmd, data, flags, p)
 
 	case WSDISPLAYIO_SVIDEO:
 	case WSDISPLAYIO_GVIDEO:
+		return(ffb_blank(sc, cmd, (u_int *)data));
+		break;
 	case WSDISPLAYIO_GCURPOS:
 	case WSDISPLAYIO_SCURPOS:
 	case WSDISPLAYIO_GCURMAX:
@@ -269,6 +275,38 @@ ffb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
 	return (0);
 }
 
+/* blank/unblank the screen */
+static int
+ffb_blank(struct ffb_softc *sc, u_long cmd, u_int *data)
+{
+	u_int val;
+
+	DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_GSBLANK);
+	val = DAC_READ(sc, FFB_DAC_VALUE);
+
+	switch (cmd) {
+	case WSDISPLAYIO_GVIDEO:
+		*data = val & 1;
+		return(0);
+		break;
+	case WSDISPLAYIO_SVIDEO:
+		if (*data == WSDISPLAYIO_VIDEO_OFF)
+			val &= ~1;
+		else if (*data == WSDISPLAYIO_VIDEO_ON)
+			val |= 1;
+		else
+			return(EINVAL);
+		break;
+	default:
+		return(EINVAL);
+	}
+
+	DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_GSBLANK);
+	DAC_WRITE(sc, FFB_DAC_VALUE, val);
+
+	return(0);
+}
+
 void
 ffb_free_screen(v, cookie)
 	void *v;
diff --git a/sys/arch/sparc64/dev/ffb_mainbus.c b/sys/arch/sparc64/dev/ffb_mainbus.c
index 8e4aa4c8c1bf..8a1099c87c39 100644
--- a/sys/arch/sparc64/dev/ffb_mainbus.c
+++ b/sys/arch/sparc64/dev/ffb_mainbus.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ffb_mainbus.c,v 1.3 2004/03/19 21:10:31 petrov Exp $	*/
+/*	$NetBSD: ffb_mainbus.c,v 1.4 2004/05/21 21:45:04 heas Exp $	*/
 /*	$OpenBSD: creator_mainbus.c,v 1.4 2002/07/26 16:39:04 jason Exp $	*/
 
 /*
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ffb_mainbus.c,v 1.3 2004/03/19 21:10:31 petrov Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ffb_mainbus.c,v 1.4 2004/05/21 21:45:04 heas Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -104,7 +104,14 @@ ffb_mainbus_attach(parent, self, aux)
 	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr,
 	    ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
 		printf(": failed to map fbc\n");
-		goto fail;
+		goto unmap_dfb24;
+	}
+
+	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DAC].ur_paddr,
+	    ma->ma_reg[FFB_REG_DAC].ur_len, BUS_SPACE_MAP_LINEAR,
+	    &sc->sc_dac_h)) {
+		printf(": failed to map dac\n");
+		goto unmap_fbc;
 	}
 
 	for (i = 0; i < nregs; i++) {
@@ -123,14 +130,16 @@ ffb_mainbus_attach(parent, self, aux)
 
 	return;
 
-fail:
-#if 0
-	if (sc->sc_fbc_h != 0)
-		bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
-		    ma->ma_reg[FFB_REG_FBC].ur_len);
+#if notyet
+unmap_dac:
+	bus_space_unmap(sc->sc_bt, sc->sc_dac_h,
+		    ma->ma_reg[FFB_REG_DAC].ur_len);
 #endif
-/*	if (sc->sc_pixel_h != 0) */
-		bus_space_unmap(sc->sc_bt, sc->sc_pixel_h,
+unmap_fbc:
+	bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
+		    ma->ma_reg[FFB_REG_FBC].ur_len);
+unmap_dfb24:
+	bus_space_unmap(sc->sc_bt, sc->sc_pixel_h,
 		    ma->ma_reg[FFB_REG_DFB24].ur_len);
 fail1:
 	return;
diff --git a/sys/arch/sparc64/dev/ffbreg.h b/sys/arch/sparc64/dev/ffbreg.h
index cc26da21d98b..1ba83cbe77e8 100644
--- a/sys/arch/sparc64/dev/ffbreg.h
+++ b/sys/arch/sparc64/dev/ffbreg.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: ffbreg.h,v 1.2 2004/05/20 01:50:43 heas Exp $	*/
+/*	$NetBSD: ffbreg.h,v 1.3 2004/05/21 21:45:04 heas Exp $	*/
 /*	$OpenBSD: creatorreg.h,v 1.5 2002/07/29 06:21:45 jason Exp $	*/
 
 /*
@@ -58,6 +58,20 @@
 #define	FFB_DAC_TYPE2		0x8
 #define	FFB_DAC_VALUE2		0xc
 
+/* DAC "TYPE" commands */
+#define	FFB_DAC_SCMAP		0x2000	/* set (load) cmap */
+#define	FFB_DAC_GSBLANK		0x6000	/* get/set blanking */
+#define	FFB_DAC_GVERS		0x8000	/* get DAC version */
+
+#define	FFB_DAC_BLANK_OFF		0x1
+#define	FFB_DAC_BLANK_HSYNC_DISABLE	0x4
+#define	FFB_DAC_BLANK_VSYNC_DISABLE	0x8
+
+/* DAC "TYPE2" commands */
+#define	FFB_DAC_CURSENAB	0x100	/* cursor enable */
+#define	FFB_DAC_CURSECMAP	0x102	/* set cursor colormap */
+#define	FFB_DAC_CURSEPOS	0x104	/* set cursor position */
+
 #define	FFB_FBC_ALPHA		0x00c
 #define	FFB_FBC_RED		0x010
 #define	FFB_FBC_GREEN		0x014
diff --git a/sys/arch/sparc64/dev/ffbvar.h b/sys/arch/sparc64/dev/ffbvar.h
index f91b9c041f1d..39b8c79fa48a 100644
--- a/sys/arch/sparc64/dev/ffbvar.h
+++ b/sys/arch/sparc64/dev/ffbvar.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: ffbvar.h,v 1.1 2003/05/23 06:51:16 petrov Exp $	*/
+/*	$NetBSD: ffbvar.h,v 1.2 2004/05/21 21:45:04 heas Exp $	*/
 /*	$OpenBSD: creatorvar.h,v 1.6 2002/07/30 19:48:15 jason Exp $	*/
 
 /*
@@ -42,6 +42,7 @@ struct ffb_softc {
 	struct device sc_dv;
 	bus_space_tag_t sc_bt;
 	bus_space_handle_t sc_pixel_h;
+	bus_space_handle_t sc_dac_h;
 	bus_space_handle_t sc_fbc_h;
 	bus_addr_t sc_addrs[FFB_NREGS];
 	bus_size_t sc_sizes[FFB_NREGS];
@@ -55,6 +56,10 @@ struct ffb_softc {
 	int32_t sc_fifo_cache, sc_fg_cache;
 };
 
+#define	DAC_WRITE(sc,r,v) \
+    bus_space_write_4((sc)->sc_bt, (sc)->sc_dac_h, (r), (v))
+#define	DAC_READ(sc,r) \
+    bus_space_read_4((sc)->sc_bt, (sc)->sc_dac_h, (r))
 #define	FBC_WRITE(sc,r,v) \
     bus_space_write_4((sc)->sc_bt, (sc)->sc_fbc_h, (r), (v))
 #define	FBC_READ(sc,r) \