Module Name:    src
Committed By:   macallan
Date:           Wed Aug 12 19:28:00 UTC 2009

Modified Files:
        src/sys/dev/pci: files.pci
Added Files:
        src/sys/dev/ic: sm502reg.h
        src/sys/dev/pci: voyagerfb.c

Log Message:
add voyagerfb, a driver for the Gdium Liberty 1000's onboard graphics chip


To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/sys/dev/ic/sm502reg.h
cvs rdiff -u -r1.317 -r1.318 src/sys/dev/pci/files.pci
cvs rdiff -u -r0 -r1.1 src/sys/dev/pci/voyagerfb.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/dev/pci/files.pci
diff -u src/sys/dev/pci/files.pci:1.317 src/sys/dev/pci/files.pci:1.318
--- src/sys/dev/pci/files.pci:1.317	Mon Jul 27 15:09:58 2009
+++ src/sys/dev/pci/files.pci	Wed Aug 12 19:28:00 2009
@@ -1,4 +1,4 @@
-#	$NetBSD: files.pci,v 1.317 2009/07/27 15:09:58 kiyohara Exp $
+#	$NetBSD: files.pci,v 1.318 2009/08/12 19:28:00 macallan Exp $
 #
 # Config file and device description for machine-independent PCI code.
 # Included by ports that need it.  Requires that the SCSI files be
@@ -977,3 +977,9 @@
 # Marvell Serial-ATA Host Controller
 attach	mvsata at pci with mvsata_pci
 file	dev/pci/mvsata_pci.c		mvsata_pci
+
+# Silicon Motion SM502 / Voyager GX
+device	voyagerfb: wsemuldisplaydev, rasops8, rasops16, rasops32, vcons, videomode, iic, i2c_bitbang
+attach	voyagerfb at pci
+file	dev/pci/voyagerfb.c		voyagerfb
+defflag	opt_voyagerfb.h	VOYAGERFB_DEBUG

Added files:

Index: src/sys/dev/ic/sm502reg.h
diff -u /dev/null src/sys/dev/ic/sm502reg.h:1.1
--- /dev/null	Wed Aug 12 19:28:00 2009
+++ src/sys/dev/ic/sm502reg.h	Wed Aug 12 19:28:00 2009
@@ -0,0 +1,266 @@
+/*	$NetBSD: sm502reg.h,v 1.1 2009/08/12 19:28:00 macallan Exp $	*/
+
+/*
+ * Copyright (c) 2009 Michael Lorenz
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Silicon Motion SM502 / Voyager GX register definitions */
+
+#ifndef SM502REG_H
+#define SM502REG_H
+
+/* System Control Registers */
+#define SM502_SYSTEM_CTRL	0x00000000
+#define 	SM502_SYSCTL_PANEL_3STATE	0x00000001
+#define 	SM502_SYSCTL_MEM_3STATE		0x00000002
+#define 	SM502_SYSCTL_CRT_3STATE		0x00000004
+#define 	SM502_SYSCTL_BURST_32		0x00000000
+#define 	SM502_SYSCTL_BURST_64		0x00000010
+#define 	SM502_SYSCTL_BURST_128		0x00000020
+#define 	SM502_SYSCTL_BURST_256		0x00000030
+#define 	SM502_SYSCTL_PCI_CLOCK_RUN_E	0x00000040
+#define 	SM502_SYSCTL_PCI_RETRY_E	0x00000080
+#define 	SM502_SYSCTL_PCI_LOCK		0x00000800
+/* stop drawing engine */
+#define 	SM502_SYSCTL_ENGINE_ABORT	0x00003000
+#define 	SM502_SYSCTL_BURST_READ_E	0x00008000
+#define 	SM502_SYSCTL_ZV_VSYNC_DET	0x00010000
+#define 	SM502_SYSCTL_CRT_FLIP_PENDING	0x00020000
+#define 	SM502_SYSCTL_ENGINE_BUSY	0x00080000
+#define 	SM502_SYSCTL_FIFO_EMPTY		0x00100000
+#define 	SM502_SYSCTL_VIDEO_FLIP_PENDING	0x00400000
+#define 	SM502_SYSCTL_PANEL_FLIP_PENDING	0x00800000
+#define 	SM502_SYSCTL_PCI_LT_E		0x01000000
+#define 	SM502_SYSCTL_PCI_BM_E		0x02000000
+#define 	SM502_SYSCTL_CSC_BUSY		0x10000000
+#define 	SM502_SYSCTL_PCI_BURST_E	0x20000000
+#define 	SM502_SYSCTL_DISABLE_HSYNC	0x40000000
+#define 	SM502_SYSCTL_DISABLE_VSYNC	0x80000000
+
+
+/* Video Controller Registers */
+#define SM502_PANEL_DISP_CRTL	0x080000
+#define		SM502_PDC_8BIT			0x00000000
+#define		SM502_PDC_16BIT			0x00000001
+#define		SM502_PDC_32BIT			0x00000002
+#define		SM502_PDC_DEPTH_MASK		0x00000003
+#define		SM502_PDC_PANEL_ENABLE		0x00000004
+#define		SM502_PDC_GAMMA_ENABLE		0x00000008
+#define		SM502_PDC_HPAN_AUTO		0x00000010
+#define		SM502_PDC_HPAN_DIR_LEFT		0x00000000
+#define		SM502_PDC_HPAN_DIR_RIGHT	0x00000020
+#define		SM502_PDC_VPAN_AUTO		0x00000040
+#define		SM502_PDC_VPAN_DIR_UP		0x00000080
+#define		SM502_PDC_VPAN_DIR_DOWN		0x00000000
+#define		SM502_PDC_TIMING_ENABLE		0x00000100
+#define		SM502_PDC_COLORKEY_ENABLE	0x00000200
+#define		SM502_PDC_CAPTURE_ZV_0		0x00000400
+#define		SM502_PDC_HSYNC_PHASE_LOW	0x00001000
+#define		SM502_PDC_HSYNC_PHASE_HIGH	0x00000000
+#define		SM502_PDC_VSYNC_PHASE_LOW	0x00002000
+#define		SM502_PDC_VSYNC_PHASE_HIGH	0x00000000
+#define		SM502_PDC_CLOCK_ACT_LOW		0x00004000
+#define		SM502_PDC_CLOCK_ACTIVE_HIGH	0x00000000
+#define		SM502_PDC_8BIT_TV_ENABLE	0x00008000
+#define		SM502_PDC_FIFO_HWATER_1		0x00000000
+#define		SM502_PDC_FIFO_HWATER_3		0x00010000
+#define		SM502_PDC_FIFO_HWATER_7		0x00020000
+#define		SM502_PDC_FIFO_HWATER_11	0x00030000
+#define		SM502_PDC_FIFO_HWATE_MASK	0x00030000
+#define		SM502_PDC_TYPE_TFT		0x00000000
+#define		SM502_PDC_TYPE_8BIT_STN		0x00040000
+#define		SM502_PDC_TYPE_12BIT_STN	0x00080000
+#define		SM502_PDC_TYPE_MASK		0x000c0000
+#define		SM502_PDC_DITHERING_ENABLE	0x00100000
+#define		SM502_PDC_TFT_RGB888		0x00000000
+#define		SM502_PDC_TFT_RGB333		0x00200000
+#define		SM502_PDC_TFT_RGB444		0x00400000
+#define		SM502_PDC_TFT_RGB_MASK		0x00600000
+#define		SM502_PDC_DITHER_8_GREY		0x00800000
+#define		SM502_PDC_FPVDDEN_HIGH		0x01000000
+#define		SM502_PDC_FPVDDEN_LOW		0x00000000
+#define		SM502_PDC_PANEL_SIGNALS_ENABLE	0x02000000
+#define		SM502_PDC_VBIASEN_HIGH		0x04000000
+#define		SM502_PDC_VBIASEN_LOW		0x00000000
+#define		SM502_PDC_GPEN_ENABLE		0x08000000
+
+#define SM502_PANEL_PAN_CTRL	0x080004
+#define SM502_PANEL_COLOR_KEY	0x080008
+#define SM502_PANEL_FB_ADDRESS	0x08000C
+#define		SM502_FBA_MASK			0x03fffff0 /* 128bit align */
+#define		SM502_FBA_CS1			0x04000000
+#define		SM502_FBA_CS0			0x00000000
+#define		SM502_FBA_SYSTEM_MEM		0x08000000
+#define		SM502_FBA_LOCAL_MEM		0x00000000
+#define		SM502_FBA_FLIP_PENDING		0x80000000
+
+#define SM502_PANEL_FB_OFFSET	0x080010
+#define		SM502_FBO_FB_STRIDE_MASK	0x00003ff0 /* 128bit align */
+#define		SM502_FBA_WIN_STRIDE_MASK	0x3ff00000 /* 128bit align */
+
+#define SM502_PANEL_FB_WIDTH	0x080014
+#define		SM502_FBW_WIN_X_MASK		0x00003fff
+#define		SM502_FBW_WIN_WIDTH_MASK	0x3fff0000
+
+#define SM502_PANEL_FB_HEIGHT	0x080018
+#define		SM502_FBH_WIN_Y_MASK		0x00003fff
+#define		SM502_FBH_WIN_HEIGHT_MASK	0x3fff0000
+#define SM502_PANEL_TL		0x08001C
+#define		SM502_TL_LEFT_MASK		0x000007ff
+#define		SM502_TL_TOP_MASK		0x07ff0000
+
+#define SM502_PANEL_BR		0x080020
+#define		SM502_BR_RIGHT_MASK		0x000007ff
+#define		SM502_BR_BOTTOM_MASK		0x07ff0000
+
+#define SM502_PANEL_HTOTAL	0x080024
+#define 	SM502_HT_HDISPE_MASK		0x00000fff
+#define 	SM502_HT_HTOTAL_MASK		0x0fff0000
+#define SM502_PANEL_HSYNC	0x080028
+#define SM502_PANEL_VTOTAL	0x08002C
+#define 	SM502_VT_VDISPE_MASK		0x00000fff
+#define 	SM502_VT_VTOTAL_MASK		0x0fff0000
+#define SM502_PANEL_VSYNC	0x080030
+
+#define SM502_PALETTE_PANEL	0x080400
+#define SM502_PALETTE_VIDEO	0x080800
+#define SM502_PALETTE_CRT	0x080c00
+
+/* drawing engine */
+#define SM502_SRC		0x100000
+#define		SM502_SRC_WRAP_ENABLE	0x80000000
+#define		SM502_SRC_X_MASK	0x3fff0000
+#define		SM502_SRC_Y_MASK	0x0000ffff
+
+#define SM502_DST		0x100004
+#define		SM502_DST_WRAP_ENABLE	0x80000000
+#define		SM502_DST_X_MASK	0x3fff0000
+#define		SM502_DST_Y_MASK	0x0000ffff
+
+#define SM502_DIMENSION		0x100008
+#define		SM502_DIM_X_MASK	0x3fff0000
+#define		SM502_DIM_Y_MASK	0x0000ffff
+
+#define SM502_CONTROL		0x10000c
+#define ROP_COPY 	0x0c
+#define ROP_INVERT	0x03
+#define		SM502_CTRL_ROP_MASK	0x000000ff
+#define		SM502_CTRL_TRANSP_EN	0x00000100
+#define		SM502_CTRL_TRANSP_DST	0x00000200
+#define		SM502_CTRL_TRANSP_SRC	0x00000000
+#define		SM502_CTRL_TRANSP_MATCH	0x00000400
+#define		SM502_CTRL_OPAQUE_MATCH	0x00000000
+#define		SM502_CTRL_REPEAT_ROT	0x00000800
+#define		SM502_CTRL_MONO_PACK_MASK	0x00003000
+#define		SM502_CTRL_MONO_PACK_8BIT	0x00001000
+#define		SM502_CTRL_MONO_PACK_16BIT	0x00002000
+#define		SM502_CTRL_MONO_PACK_32BIT	0x00003000
+#define		SM502_CTRL_ROP2_SRC_PAT	0x00004000 /* otherwise src is bmp */
+#define		SM502_CTRL_USE_ROP2	0x00008000 /* X-style ROPs vs. Win */
+#define		SM502_CTRL_COMMAND_MASK	0x001f0000
+#define		SM502_CTRL_CMD_BITBLT	0x00000000
+#define		SM502_CTRL_CMD_RECTFILL	0x00010000
+#define		SM502_CTRL_CMD_DETILE	0x00020000
+#define		SM502_CTRL_CMD_TRAPFILL	0x00030000
+#define		SM502_CTRL_CMD_ALPHA	0x00040000
+#define		SM502_CTRL_CMD_RLESTRIP	0x00050000
+#define		SM502_CTRL_CMD_SHRTSTRK	0x00060000
+#define		SM502_CTRL_CMD_LINE	0x00070000
+#define		SM502_CTRL_CMD_HOSTWRT	0x00080000
+#define		SM502_CTRL_CMD_HOSTREAD	0x00090000
+#define		SM502_CTRL_CMD_WRT_BT	0x000a0000
+#define		SM502_CTRL_CMD_ROTATE	0x000b0000
+#define		SM502_CTRL_CMD_FONT	0x000c0000
+#define		SM502_CTRL_CMD_TEXLOAD	0x000f0000
+#define		SM502_CTRL_DRAWLAST	0x00200000 /* last pixel in line */
+#define		SM502_CTRL_HOSTBLT_MONO	0x00400000 /* colour otherwise */
+#define		SM502_CTRL_YSTRETCH_E	0x00800000
+#define		SM502_CTRL_Y_STEP_NEG	0x01000000 /* line, otherwise pos */
+#define		SM502_CTRL_X_STEP_NEG	0x02000000 /* line, otherwise pos */
+#define		SM502_CTRL_LINE_AX_Y	0x04000000 /* otherwise X */
+#define		SM502_CTRL_R_TO_L	0x08000000 /* otherwise L to R */
+/* run command when writing SM502_DIMENSION */
+#define		SM502_CTRL_QUICKSTART_E	0x10000000
+#define		SM502_CTRL_UPD_DESTX	0x20000000
+#define		SM502_CTRL_PAT_COLOR	0x40000000 /* otherwise mono */
+#define		SM502_CTRL_ENGINE_START	0x80000000
+
+#define SM502_PITCH		0x100010
+#define		SM502_PITCH_SRC_MASK	0x00003fff
+#define		SM502_PITCH_DST_MASK	0x3fff0000
+
+#define SM502_FOREGROUND	0x100014
+#define SM502_BACKGROUND	0x100018
+#define SM502_STRETCH		0x10001c
+#define		SM502_STRETCH_HEIGHT_MASK	0x00000fff /* source */
+#define		SM502_STRETCH_ADDR_LINEAR	0x000f0000 /* XY otherwise */
+#define		SM502_STRETCH_PIXEL_FORMAT_MASK	0x00300000
+#define		SM502_STRETCH_8BIT		0x00000000
+#define		SM502_STRETCH_16BIT		0x00100000
+#define		SM502_STRETCH_32BIT		0x00200000
+#define		SM502_STRETCH_PAT_X_ORIGIN_MASK	0x03800000
+#define		SM502_STRETCH_PAT_Y_ORIGIN_MASK 0x38000000
+#define		SM502_STRETCH_PAT_XY_ENABLE	0x40000000
+
+#define SM502_COLOR_COMPARE	0x100020
+#define SM502_COLOR_COMP_MASK	0x100024
+#define SM502_PLANEMASK		0x100028
+#define SM502_CLIP_TOP_LEFT	0x10002c
+#define		SM501_CLIP_TOP_MASK	0xffff0000
+#define		SM501_CLIP_LEFT_MASK	0x00000fff
+#define		SM501_CLIP_BLOCK_INSIDE	0x00001000 /* otherwise block outside */
+#define		SM501_CLIP_ENABLE	0x00002000
+
+#define SM502_CLIP_BOTTOM_RIGHT	0x100030
+#define		SM501_CLIP_BOTTOM_MASK	0xffff0000
+#define		SM501_CLIP_RIGHT_MASK	0x00001fff
+
+#define SM502_MONO_PATTERN_0	0x100034
+#define SM502_MONO_PATTERN_1	0x100038
+#define SM502_WINDOW_WIDTH	0x10003c
+#define		SM502_WIN_SRC_MASK	0x00001fff
+#define		SM502_WIN_DST_MASK	0x1fff0000
+
+#define SM502_SRC_BASE		0x100040
+#define		SM502_SRC_BASE_ADDR_MASK	0x03fffff0 /* 128bit align */
+#define		SM502_SRC_BASE_SYSMEM_CS1	0x04000000 /* SC0 otherw. */
+#define		SM502_SRC_BASE_SYSMEM		0x08000000 /* local otherw. */
+
+#define SM502_DST_BASE		0x100044
+#define		SM502_DST_BASE_ADDR_MASK	0x03fffff0 /* 128bit align */
+#define		SM502_DST_BASE_SYSMEM_CS1	0x04000000 /* SC0 otherw. */
+#define		SM502_DST_BASE_SYSMEM		0x08000000 /* local otherw. */
+
+#define SM502_ALPHA		0x100048
+#define SM502_WRAP		0x10004c
+#define		SM502_WRAP_HEIGHT_MASK	0x0000ffff
+#define		SM502_WRAP_WIDTH_MASK	0xffff0000
+
+#define SM502_STATUS		0x100050
+#define		SM502_CMD_DONE		0x00000001
+#define		SM502_CSC_DONE		0x00000002
+
+#define	SM502_DATAPORT		0x110000
+
+#endif /* SM502REG_H */

Index: src/sys/dev/pci/voyagerfb.c
diff -u /dev/null src/sys/dev/pci/voyagerfb.c:1.1
--- /dev/null	Wed Aug 12 19:28:00 2009
+++ src/sys/dev/pci/voyagerfb.c	Wed Aug 12 19:28:00 2009
@@ -0,0 +1,824 @@
+/*	$NetBSD: voyagerfb.c,v 1.1 2009/08/12 19:28:00 macallan Exp $	*/
+
+/*
+ * Copyright (c) 2009 Michael Lorenz
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * A console driver for Silicon Motion SM502 / Voyager GX  graphics controllers
+ * tested on GDIUM only so far
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: voyagerfb.c,v 1.1 2009/08/12 19:28:00 macallan Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/lwp.h>
+#include <sys/kauth.h>
+
+#include <uvm/uvm_extern.h>
+
+#include <dev/videomode/videomode.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcidevs.h>
+#include <dev/pci/pciio.h>
+#include <dev/ic/sm502reg.h>
+
+#include <dev/wscons/wsdisplayvar.h>
+#include <dev/wscons/wsconsio.h>
+#include <dev/wsfont/wsfont.h>
+#include <dev/rasops/rasops.h>
+#include <dev/wscons/wsdisplay_vconsvar.h>
+
+#include <dev/i2c/i2cvar.h>
+
+struct voyagerfb_softc {
+	device_t sc_dev;
+
+	pci_chipset_tag_t sc_pc;
+	pcitag_t sc_pcitag;
+
+	bus_space_tag_t sc_memt;
+	bus_space_tag_t sc_iot;
+
+	bus_space_handle_t sc_fbh;
+	bus_space_handle_t sc_regh;
+	bus_addr_t sc_fb, sc_reg;
+	bus_size_t sc_fbsize, sc_regsize;
+
+	int sc_width, sc_height, sc_depth, sc_stride;
+	int sc_locked;
+	void *sc_fbaddr;
+	struct vcons_screen sc_console_screen;
+	struct wsscreen_descr sc_defaultscreen_descr;
+	const struct wsscreen_descr *sc_screens[1];
+	struct wsscreen_list sc_screenlist;
+	struct vcons_data vd;
+	uint8_t *sc_dataport;
+	int sc_mode;
+	u_char sc_cmap_red[256];
+	u_char sc_cmap_green[256];
+	u_char sc_cmap_blue[256];
+};
+
+static int	voyagerfb_match(device_t, cfdata_t, void *);
+static void	voyagerfb_attach(device_t, device_t, void *);
+
+CFATTACH_DECL_NEW(voyagerfb, sizeof(struct voyagerfb_softc),
+    voyagerfb_match, voyagerfb_attach, NULL, NULL);
+
+extern const u_char rasops_cmap[768];
+
+static int	voyagerfb_ioctl(void *, void *, u_long, void *, int,
+			     struct lwp *);
+static paddr_t	voyagerfb_mmap(void *, void *, off_t, int);
+static void	voyagerfb_init_screen(void *, struct vcons_screen *, int,
+		 long *);
+
+static int	voyagerfb_putcmap(struct voyagerfb_softc *,
+		 struct wsdisplay_cmap *);
+static int 	voyagerfb_getcmap(struct voyagerfb_softc *,
+		 struct wsdisplay_cmap *);
+static void	voyagerfb_restore_palette(struct voyagerfb_softc *);
+static int 	voyagerfb_putpalreg(struct voyagerfb_softc *, int, uint8_t,
+			    uint8_t, uint8_t);
+
+static void	voyagerfb_init(struct voyagerfb_softc *);
+
+static void	voyagerfb_rectfill(struct voyagerfb_softc *, int, int, int, int,
+			    uint32_t);
+static void	voyagerfb_bitblt(struct voyagerfb_softc *, int, int, int, int,
+			    int, int, int);
+
+static void	voyagerfb_cursor(void *, int, int, int);
+static void	voyagerfb_putchar(void *, int, int, u_int, long);
+static void	voyagerfb_copycols(void *, int, int, int, int);
+static void	voyagerfb_erasecols(void *, int, int, int, long);
+static void	voyagerfb_copyrows(void *, int, int, int);
+static void	voyagerfb_eraserows(void *, int, int, long);
+
+struct wsdisplay_accessops voyagerfb_accessops = {
+	voyagerfb_ioctl,
+	voyagerfb_mmap,
+	NULL,	/* alloc_screen */
+	NULL,	/* free_screen */
+	NULL,	/* show_screen */
+	NULL, 	/* load_font */
+	NULL,	/* pollc */
+	NULL	/* scroll */
+};
+
+/* wait for FIFO empty so we can feed it another command */
+static inline void
+voyagerfb_ready(struct voyagerfb_softc *sc)
+{
+	do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 
+	    SM502_SYSTEM_CTRL) & SM502_SYSCTL_FIFO_EMPTY) == 0);
+}
+
+/* wait for the drawing engine to be idle */
+static inline void
+voyagerfb_wait(struct voyagerfb_softc *sc)
+{
+	do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 
+	    SM502_SYSTEM_CTRL) & SM502_SYSCTL_ENGINE_BUSY) != 0);
+}
+
+static int
+voyagerfb_match(device_t parent, cfdata_t match, void *aux)
+{
+	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
+
+	if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY)
+		return 0;
+	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SILMOTION)
+		return 0;
+
+	/* only chip tested on so far - may need a list */
+	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SILMOTION_SM502)
+		return 100;
+	return (0);
+}
+
+static void
+voyagerfb_attach(device_t parent, device_t self, void *aux)
+{
+	struct voyagerfb_softc	*sc = device_private(self);
+	struct pci_attach_args	*pa = aux;
+	struct rasops_info	*ri;
+	char devinfo[256];
+	struct wsemuldisplaydev_attach_args aa;
+	prop_dictionary_t	dict;
+	unsigned long		defattr;
+	uint32_t		reg;
+	bool			is_console;
+	int i, j;
+
+	sc->sc_pc = pa->pa_pc;
+	sc->sc_pcitag = pa->pa_tag;
+	sc->sc_memt = pa->pa_memt;
+	sc->sc_iot = pa->pa_iot;
+	sc->sc_dev = self;
+
+	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
+	aprint_normal(": %s\n", devinfo);
+
+	dict = device_properties(self);
+	prop_dictionary_get_bool(dict, "is_console", &is_console);
+
+	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM,
+	    BUS_SPACE_MAP_LINEAR,
+	    &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) {
+		aprint_error("%s: failed to map the frame buffer.\n",
+		    device_xname(sc->sc_dev));
+	}
+	sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh);
+
+	if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_MEM, 0,
+	    &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) {
+		aprint_error("%s: failed to map registers.\n",
+		    device_xname(sc->sc_dev));
+	}
+	sc->sc_dataport = bus_space_vaddr(sc->sc_memt, sc->sc_regh);
+	sc->sc_dataport += SM502_DATAPORT;
+
+	reg = bus_space_read_8(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CRTL);
+	switch (reg & SM502_PDC_DEPTH_MASK) {
+		case SM502_PDC_8BIT:
+			sc->sc_depth = 8;
+			break;
+		case SM502_PDC_16BIT:
+			sc->sc_depth = 16;
+			break;
+		case SM502_PDC_32BIT:
+			sc->sc_depth = 24;
+			break;
+		default:
+			panic("%s: unsupported depth", device_xname(self));
+	}
+	sc->sc_stride = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 	
+		SM502_PANEL_FB_OFFSET) & SM502_FBA_WIN_STRIDE_MASK) >> 16;
+	sc->sc_width = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 	
+		SM502_PANEL_FB_WIDTH) & SM502_FBW_WIN_WIDTH_MASK) >> 16;
+	sc->sc_height = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 	
+		SM502_PANEL_FB_HEIGHT) & SM502_FBH_WIN_HEIGHT_MASK) >> 16;
+
+	printf("%s: %d x %d, %d bit, stride %d\n", device_xname(self), 
+		sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride);
+	/*
+	 * XXX yeah, casting the fb address to uint32_t is formally wrong
+	 * but as far as I know there are no SM502 with 64bit BARs
+	 */
+	aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self),
+	    (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb);
+
+	sc->sc_defaultscreen_descr = (struct wsscreen_descr){
+		"default",
+		0, 0,
+		NULL,
+		8, 16,
+		WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
+		NULL
+	};
+	sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
+	sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
+	sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
+	sc->sc_locked = 0;
+
+	vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
+	    &voyagerfb_accessops);
+	sc->vd.init_screen = voyagerfb_init_screen;
+
+	/* init engine here */
+	voyagerfb_init(sc);
+
+	ri = &sc->sc_console_screen.scr_ri;
+
+	if (is_console) {
+		vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
+		    &defattr);
+		sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
+
+		sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
+		sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
+		sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
+		sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
+		wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
+		    defattr);
+	} else {
+		/*
+		 * since we're not the console we can postpone the rest
+		 * until someone actually allocates a screen for us
+		 */
+		(*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
+	}
+
+	j = 0;
+	if (sc->sc_depth <= 8) {
+		for (i = 0; i < (1 << sc->sc_depth); i++) {
+
+			sc->sc_cmap_red[i] = rasops_cmap[j];
+			sc->sc_cmap_green[i] = rasops_cmap[j + 1];
+			sc->sc_cmap_blue[i] = rasops_cmap[j + 2];
+			voyagerfb_putpalreg(sc, i, rasops_cmap[j],
+			    rasops_cmap[j + 1], rasops_cmap[j + 2]);
+			j += 3;
+		}
+	}
+
+	voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
+	    ri->ri_devcmap[(defattr >> 16) & 0xff]);
+
+	aa.console = is_console;
+	aa.scrdata = &sc->sc_screenlist;
+	aa.accessops = &voyagerfb_accessops;
+	aa.accesscookie = &sc->vd;
+
+	config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
+}
+
+static int
+voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
+	struct lwp *l)
+{
+	struct vcons_data *vd = v;
+	struct voyagerfb_softc *sc = vd->cookie;
+	struct wsdisplay_fbinfo *wdf;
+	struct vcons_screen *ms = vd->active;
+
+	switch (cmd) {
+
+		case WSDISPLAYIO_GTYPE:
+			*(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
+			return 0;
+
+		/* PCI config read/write passthrough. */
+		case PCI_IOC_CFGREAD:
+		case PCI_IOC_CFGWRITE:
+			return (pci_devioctl(sc->sc_pc, sc->sc_pcitag,
+			    cmd, data, flag, l));
+
+		case WSDISPLAYIO_GINFO:
+			if (ms == NULL)
+				return ENODEV;
+			wdf = (void *)data;
+			wdf->height = ms->scr_ri.ri_height;
+			wdf->width = ms->scr_ri.ri_width;
+			wdf->depth = ms->scr_ri.ri_depth;
+			wdf->cmsize = 256;
+			return 0;
+
+		case WSDISPLAYIO_GETCMAP:
+			return voyagerfb_getcmap(sc,
+			    (struct wsdisplay_cmap *)data);
+
+		case WSDISPLAYIO_PUTCMAP:
+			return voyagerfb_putcmap(sc,
+			    (struct wsdisplay_cmap *)data);
+
+		case WSDISPLAYIO_LINEBYTES:
+			*(u_int *)data = sc->sc_stride;
+			return 0;
+
+		case WSDISPLAYIO_SMODE:
+			{
+				int new_mode = *(int*)data;
+
+				if (new_mode != sc->sc_mode) {
+					sc->sc_mode = new_mode;
+					if(new_mode == WSDISPLAYIO_MODE_EMUL) {
+						voyagerfb_restore_palette(sc);
+						vcons_redraw_screen(ms);
+					}
+				}
+			}
+			return 0;
+	}
+	return EPASSTHROUGH;
+}
+
+static paddr_t
+voyagerfb_mmap(void *v, void *vs, off_t offset, int prot)
+{
+	struct vcons_data *vd = v;
+	struct voyagerfb_softc *sc = vd->cookie;
+	paddr_t pa;
+
+	/* 'regular' framebuffer mmap()ing */
+	if (offset < sc->sc_fbsize) {
+		pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot,
+		    BUS_SPACE_MAP_LINEAR);
+		return pa;
+	}
+
+	/*
+	 * restrict all other mappings to processes with superuser privileges
+	 * or the kernel itself
+	 */
+	if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER,
+	    NULL) != 0) {
+		aprint_normal("%s: mmap() rejected.\n",
+		    device_xname(sc->sc_dev));
+		return -1;
+	}
+
+	if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) {
+		pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
+		    BUS_SPACE_MAP_LINEAR);
+		return pa;
+	}
+
+	if ((offset >= sc->sc_reg) && 
+	    (offset < (sc->sc_reg + sc->sc_regsize))) {
+		pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
+		    BUS_SPACE_MAP_LINEAR);
+		return pa;
+	}
+
+	return -1;
+}
+
+static void
+voyagerfb_init_screen(void *cookie, struct vcons_screen *scr,
+    int existing, long *defattr)
+{
+	struct voyagerfb_softc *sc = cookie;
+	struct rasops_info *ri = &scr->scr_ri;
+
+	ri->ri_depth = sc->sc_depth;
+	ri->ri_width = sc->sc_width;
+	ri->ri_height = sc->sc_height;
+	ri->ri_stride = sc->sc_stride;
+	ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
+
+	ri->ri_bits = (char *)sc->sc_fbaddr;
+
+	if (existing) {
+		ri->ri_flg |= RI_CLEAR;
+	}
+
+	rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8);
+	ri->ri_caps = WSSCREEN_WSCOLORS;
+
+	rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
+		    sc->sc_width / ri->ri_font->fontwidth);
+
+	ri->ri_hw = scr;
+	ri->ri_ops.copyrows = voyagerfb_copyrows;
+	ri->ri_ops.copycols = voyagerfb_copycols;
+	ri->ri_ops.eraserows = voyagerfb_eraserows;
+	ri->ri_ops.erasecols = voyagerfb_erasecols;
+	ri->ri_ops.cursor = voyagerfb_cursor;
+	ri->ri_ops.putchar = voyagerfb_putchar;
+}
+
+static int
+voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm)
+{
+	u_char *r, *g, *b;
+	u_int index = cm->index;
+	u_int count = cm->count;
+	int i, error;
+	u_char rbuf[256], gbuf[256], bbuf[256];
+
+#ifdef VOYAGERFB_DEBUG
+	aprint_debug("putcmap: %d %d\n",index, count);
+#endif
+	if (cm->index >= 256 || cm->count > 256 ||
+	    (cm->index + cm->count) > 256)
+		return EINVAL;
+	error = copyin(cm->red, &rbuf[index], count);
+	if (error)
+		return error;
+	error = copyin(cm->green, &gbuf[index], count);
+	if (error)
+		return error;
+	error = copyin(cm->blue, &bbuf[index], count);
+	if (error)
+		return error;
+
+	memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
+	memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
+	memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
+
+	r = &sc->sc_cmap_red[index];
+	g = &sc->sc_cmap_green[index];
+	b = &sc->sc_cmap_blue[index];
+
+	for (i = 0; i < count; i++) {
+		voyagerfb_putpalreg(sc, index, *r, *g, *b);
+		index++;
+		r++, g++, b++;
+	}
+	return 0;
+}
+
+static int
+voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm)
+{
+	u_int index = cm->index;
+	u_int count = cm->count;
+	int error;
+
+	if (index >= 255 || count > 256 || index + count > 256)
+		return EINVAL;
+
+	error = copyout(&sc->sc_cmap_red[index],   cm->red,   count);
+	if (error)
+		return error;
+	error = copyout(&sc->sc_cmap_green[index], cm->green, count);
+	if (error)
+		return error;
+	error = copyout(&sc->sc_cmap_blue[index],  cm->blue,  count);
+	if (error)
+		return error;
+
+	return 0;
+}
+
+static void
+voyagerfb_restore_palette(struct voyagerfb_softc *sc)
+{
+	int i;
+
+	for (i = 0; i < (1 << sc->sc_depth); i++) {
+		voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i],
+		    sc->sc_cmap_green[i], sc->sc_cmap_blue[i]);
+	}
+}
+
+static int
+voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r,
+    uint8_t g, uint8_t b)
+{
+	uint32_t reg;
+
+	reg = (r << 16) | (g << 8) | b;
+	/* XXX we should probably write the CRT palette too */
+	bus_space_write_4(sc->sc_memt, sc->sc_regh,
+	    SM502_PALETTE_PANEL + (idx << 2), reg);
+	return 0;
+}
+
+static void
+voyagerfb_init(struct voyagerfb_softc *sc)
+{
+
+	voyagerfb_wait(sc);
+	/* disable colour compare */
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0);
+	/* allow writes to all planes */
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK,
+	    0xffffffff);
+	/* disable clipping */
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0);
+	/* source and destination in local memory, no offset */
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0);
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0);
+	/* pitch is screen stride */
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH,
+	    sc->sc_width | (sc->sc_width << 16));
+	/* window is screen width */
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH,
+	    sc->sc_width | (sc->sc_width << 16));
+	switch (sc->sc_depth) {
+		case 8:
+			bus_space_write_4(sc->sc_memt, sc->sc_regh, 
+			    SM502_STRETCH, SM502_STRETCH_8BIT);
+			break;
+		case 16:
+			bus_space_write_4(sc->sc_memt, sc->sc_regh, 
+			    SM502_STRETCH, SM502_STRETCH_16BIT);
+			break;
+		case 24:
+		case 32:
+			bus_space_write_4(sc->sc_memt, sc->sc_regh, 
+			    SM502_STRETCH, SM502_STRETCH_32BIT);
+			break;
+	}
+}
+
+static void
+voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he,
+     uint32_t colour)
+{
+
+	voyagerfb_ready(sc);
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL,
+	    ROP_COPY |
+	    SM502_CTRL_USE_ROP2 |
+	    SM502_CTRL_CMD_RECTFILL |
+	    SM502_CTRL_QUICKSTART_E);
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND,
+	    colour);
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST,
+	    (x << 16) | y);
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
+	    (wi << 16) | he);
+}
+
+static void
+voyagerfb_bitblt(struct voyagerfb_softc *sc, int xs, int ys, int xd, int yd,
+    int wi, int he, int rop)
+{
+	uint32_t cmd;
+
+	cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT |
+	      SM502_CTRL_QUICKSTART_E;
+
+	voyagerfb_ready(sc);
+
+	if (xd <= xs) {
+		/* left to right */
+	} else {
+		cmd |= SM502_CTRL_R_TO_L;
+		xs += he - 1;
+		xd += wi - 1;
+	}
+	
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC,
+	    (xs << 16) | ys);
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST,
+	    (xd << 16) | yd);
+	bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
+	    (wi << 16) | he);
+}
+
+static void
+voyagerfb_cursor(void *cookie, int on, int row, int col)
+{
+	struct rasops_info *ri = cookie;
+	struct vcons_screen *scr = ri->ri_hw;
+	struct voyagerfb_softc *sc = scr->scr_cookie;
+	int x, y, wi, he;
+	
+	wi = ri->ri_font->fontwidth;
+	he = ri->ri_font->fontheight;
+	
+	if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
+		x = ri->ri_ccol * wi + ri->ri_xorigin;
+		y = ri->ri_crow * he + ri->ri_yorigin;
+		if (ri->ri_flg & RI_CURSOR) {
+			voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT);
+			ri->ri_flg &= ~RI_CURSOR;
+		}
+		ri->ri_crow = row;
+		ri->ri_ccol = col;
+		if (on) {
+			x = ri->ri_ccol * wi + ri->ri_xorigin;
+			y = ri->ri_crow * he + ri->ri_yorigin;
+			voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT);
+			ri->ri_flg |= RI_CURSOR;
+		}
+	} else {
+		scr->scr_ri.ri_crow = row;
+		scr->scr_ri.ri_ccol = col;
+		scr->scr_ri.ri_flg &= ~RI_CURSOR;
+	}
+
+}
+
+static inline void
+voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len)
+{
+	uint32_t *port = (uint32_t *)sc->sc_dataport;
+	int i;
+
+	for (i = 0; i < ((len + 3) & 0xfffc); i++) {
+		*port = *data;
+		data++;
+	}
+}
+
+static inline void
+voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len)
+{
+	uint32_t *port = (uint32_t *)sc->sc_dataport;
+	int i;
+
+	len = len << 1;
+	for (i = 0; i < ((len + 1) & 0xfffe); i++) {
+		*port = *data;
+		data++;
+	}
+}
+
+
+static void
+voyagerfb_putchar(void *cookie, int row, int col, u_int c, long attr)
+{
+	struct rasops_info *ri = cookie;
+	struct vcons_screen *scr = ri->ri_hw;
+	struct voyagerfb_softc *sc = scr->scr_cookie;
+	uint32_t cmd;
+
+	if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
+		int fg, bg, uc;
+		uint8_t *data;
+		int x, y, wi, he;
+		wi = ri->ri_font->fontwidth;
+		he = ri->ri_font->fontheight;
+
+		if (!CHAR_IN_FONT(c, ri->ri_font))
+			return;
+		bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
+		fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
+		x = ri->ri_xorigin + col * wi;
+		y = ri->ri_yorigin + row * he;
+		if (c == 0x20) {
+			voyagerfb_rectfill(sc, x, y, wi, he, bg);
+		} else {
+			uc = c - ri->ri_font->firstchar;
+			data = (uint8_t *)ri->ri_font->data + uc * 
+			    ri->ri_fontscale;
+			cmd = ROP_COPY |
+			      SM502_CTRL_USE_ROP2 |
+			      SM502_CTRL_CMD_HOSTWRT |
+			      SM502_CTRL_HOSTBLT_MONO |
+			      SM502_CTRL_QUICKSTART_E | 
+			      SM502_CTRL_MONO_PACK_32BIT;
+			voyagerfb_ready(sc);
+			bus_space_write_4(sc->sc_memt, sc->sc_regh,
+			    SM502_CONTROL, cmd);
+			bus_space_write_4(sc->sc_memt, sc->sc_regh, 
+			    SM502_FOREGROUND, fg);
+			bus_space_write_4(sc->sc_memt, sc->sc_regh, 
+			    SM502_BACKGROUND, bg);
+			bus_space_write_4(sc->sc_memt, sc->sc_regh,
+			    SM502_SRC, 0);
+			bus_space_write_4(sc->sc_memt, sc->sc_regh,
+			    SM502_DST, (x << 16) | y);
+			bus_space_write_4(sc->sc_memt, sc->sc_regh,
+			    SM502_DIMENSION, (wi << 16) | he);
+			/* now feed the data, padded to 32bit */
+			switch (ri->ri_font->stride) {
+			case 1:
+				voyagerfb_feed8(sc, data, ri->ri_fontscale);
+				break;
+			case 2:
+				voyagerfb_feed16(sc, (uint16_t *)data, 
+				    ri->ri_fontscale);
+				break;
+			
+			}	
+		}
+	}
+}
+
+static void
+voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
+{
+	struct rasops_info *ri = cookie;
+	struct vcons_screen *scr = ri->ri_hw;
+	struct voyagerfb_softc *sc = scr->scr_cookie;
+	int32_t xs, xd, y, width, height;
+	
+	if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
+		xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
+		xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
+		y = ri->ri_yorigin + ri->ri_font->fontheight * row;
+		width = ri->ri_font->fontwidth * ncols;
+		height = ri->ri_font->fontheight;
+		voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY);
+	}
+}
+
+static void
+voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols,
+     long fillattr)
+{
+	struct rasops_info *ri = cookie;
+	struct vcons_screen *scr = ri->ri_hw;
+	struct voyagerfb_softc *sc = scr->scr_cookie;
+	int32_t x, y, width, height, fg, bg, ul;
+	
+	if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
+		x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
+		y = ri->ri_yorigin + ri->ri_font->fontheight * row;
+		width = ri->ri_font->fontwidth * ncols;
+		height = ri->ri_font->fontheight;
+		rasops_unpack_attr(fillattr, &fg, &bg, &ul);
+
+		voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
+	}
+}
+
+static void
+voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
+{
+	struct rasops_info *ri = cookie;
+	struct vcons_screen *scr = ri->ri_hw;
+	struct voyagerfb_softc *sc = scr->scr_cookie;
+	int32_t x, ys, yd, width, height;
+	int i;
+
+	if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
+		x = ri->ri_xorigin;
+		ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
+		yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
+		width = ri->ri_emuwidth;
+		height = ri->ri_font->fontheight * nrows;
+		if ((nrows > 1) && (dstrow > srcrow)) {
+			/*
+			 * the blitter can't do bottom-up copies so we have
+			 * to copy line by line here
+			 * should probably use a command sequence
+			 */
+			for (i = 0; i < nrows; i++) {
+				voyagerfb_bitblt(sc, x, ys, x, yd, width, 
+				    ri->ri_font->fontheight, ROP_COPY);
+				ys += ri->ri_font->fontheight;
+				yd += ri->ri_font->fontheight;
+			}
+		} else
+			voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 
+			    ROP_COPY);
+	}
+}
+
+static void
+voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr)
+{
+	struct rasops_info *ri = cookie;
+	struct vcons_screen *scr = ri->ri_hw;
+	struct voyagerfb_softc *sc = scr->scr_cookie;
+	int32_t x, y, width, height, fg, bg, ul;
+	
+	if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
+		x = ri->ri_xorigin;
+		y = ri->ri_yorigin + ri->ri_font->fontheight * row;
+		width = ri->ri_emuwidth;
+		height = ri->ri_font->fontheight * nrows;
+		rasops_unpack_attr(fillattr, &fg, &bg, &ul);
+
+		voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
+	}
+}

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