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lunafb.c revision 1.13.6.1
      1  1.13.6.1    simonb /* $NetBSD: lunafb.c,v 1.13.6.1 2006/04/22 11:37:40 simonb Exp $ */
      2       1.1  nisimura 
      3       1.1  nisimura /*-
      4       1.1  nisimura  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5       1.1  nisimura  * All rights reserved.
      6       1.1  nisimura  *
      7       1.1  nisimura  * This code is derived from software contributed to The NetBSD Foundation
      8       1.1  nisimura  * by Tohru Nishimura.
      9       1.1  nisimura  *
     10       1.1  nisimura  * Redistribution and use in source and binary forms, with or without
     11       1.1  nisimura  * modification, are permitted provided that the following conditions
     12       1.1  nisimura  * are met:
     13       1.1  nisimura  * 1. Redistributions of source code must retain the above copyright
     14       1.1  nisimura  *    notice, this list of conditions and the following disclaimer.
     15       1.1  nisimura  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1  nisimura  *    notice, this list of conditions and the following disclaimer in the
     17       1.1  nisimura  *    documentation and/or other materials provided with the distribution.
     18       1.1  nisimura  * 3. All advertising materials mentioning features or use of this software
     19       1.1  nisimura  *    must display the following acknowledgement:
     20       1.1  nisimura  *	This product includes software developed by the NetBSD
     21       1.1  nisimura  *	Foundation, Inc. and its contributors.
     22       1.1  nisimura  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23       1.1  nisimura  *    contributors may be used to endorse or promote products derived
     24       1.1  nisimura  *    from this software without specific prior written permission.
     25       1.1  nisimura  *
     26       1.1  nisimura  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27       1.1  nisimura  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28       1.1  nisimura  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29       1.1  nisimura  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30       1.1  nisimura  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31       1.1  nisimura  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32       1.1  nisimura  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33       1.1  nisimura  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34       1.1  nisimura  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35       1.1  nisimura  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36       1.1  nisimura  * POSSIBILITY OF SUCH DAMAGE.
     37       1.1  nisimura  */
     38       1.1  nisimura 
     39       1.1  nisimura #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     40       1.1  nisimura 
     41  1.13.6.1    simonb __KERNEL_RCSID(0, "$NetBSD: lunafb.c,v 1.13.6.1 2006/04/22 11:37:40 simonb Exp $");
     42       1.1  nisimura 
     43       1.1  nisimura #include <sys/param.h>
     44       1.1  nisimura #include <sys/systm.h>
     45       1.1  nisimura #include <sys/conf.h>
     46       1.1  nisimura #include <sys/device.h>
     47       1.1  nisimura #include <sys/ioctl.h>
     48       1.1  nisimura #include <sys/malloc.h>
     49       1.1  nisimura #include <sys/mman.h>
     50       1.1  nisimura #include <sys/proc.h>
     51       1.1  nisimura #include <sys/tty.h>
     52       1.1  nisimura #include <sys/errno.h>
     53       1.1  nisimura #include <sys/buf.h>
     54       1.6       mrg 
     55       1.1  nisimura #include <uvm/uvm_extern.h>
     56       1.1  nisimura 
     57       1.1  nisimura #include <dev/rcons/raster.h>
     58       1.1  nisimura #include <dev/wscons/wsconsio.h>
     59       1.1  nisimura #include <dev/wscons/wscons_raster.h>
     60       1.1  nisimura #include <dev/wscons/wsdisplayvar.h>
     61       1.1  nisimura 
     62       1.1  nisimura #include <machine/cpu.h>
     63       1.1  nisimura #include <machine/autoconf.h>
     64       1.1  nisimura 
     65       1.1  nisimura struct bt454 {
     66       1.1  nisimura 	u_int8_t bt_addr;		/* map address register */
     67       1.1  nisimura 	u_int8_t bt_cmap;		/* colormap data register */
     68       1.1  nisimura };
     69       1.1  nisimura 
     70       1.1  nisimura struct bt458 {
     71       1.1  nisimura 	u_int8_t bt_addr;		/* map address register */
     72       1.1  nisimura 		unsigned :24;
     73       1.1  nisimura 	u_int8_t bt_cmap;		/* colormap data register */
     74       1.1  nisimura 		unsigned :24;
     75       1.1  nisimura 	u_int8_t bt_ctrl;		/* control register */
     76       1.1  nisimura 		unsigned :24;
     77       1.1  nisimura 	u_int8_t bt_omap;		/* overlay (cursor) map register */
     78       1.1  nisimura 		unsigned :24;
     79       1.1  nisimura };
     80       1.1  nisimura 
     81       1.1  nisimura #define	OMFB_RFCNT	0xB1000000	/* video h-origin/v-origin */
     82       1.1  nisimura #define	OMFB_PLANEMASK	0xB1040000	/* planemask register */
     83       1.1  nisimura #define	OMFB_FB_WADDR	0xB1080008	/* common plane */
     84       1.1  nisimura #define	OMFB_FB_RADDR	0xB10C0008	/* plane #0 */
     85       1.1  nisimura #define	OMFB_ROPFUNC	0xB12C0000	/* ROP function code */
     86       1.1  nisimura #define	OMFB_RAMDAC	0xC1100000	/* Bt454/Bt458 RAMDAC */
     87      1.11   thorpej #define	OMFB_SIZE	(0xB1300000 - 0xB1080000 + PAGE_SIZE)
     88       1.1  nisimura 
     89       1.1  nisimura struct om_hwdevconfig {
     90       1.1  nisimura 	int	dc_wid;			/* width of frame buffer */
     91       1.1  nisimura 	int	dc_ht;			/* height of frame buffer */
     92       1.1  nisimura 	int	dc_depth;		/* depth, bits per pixel */
     93       1.1  nisimura 	int	dc_rowbytes;		/* bytes in a FB scan line */
     94       1.1  nisimura 	int	dc_cmsize;		/* colormap size */
     95       1.1  nisimura 	vaddr_t	dc_videobase;		/* base of flat frame buffer */
     96       1.1  nisimura 	struct raster	dc_raster;	/* raster description */
     97       1.1  nisimura 	struct rcons	dc_rcons;	/* raster blitter control info */
     98       1.1  nisimura };
     99       1.1  nisimura 
    100       1.1  nisimura struct hwcmap {
    101       1.1  nisimura #define CMAP_SIZE 256
    102       1.1  nisimura 	u_int8_t r[CMAP_SIZE];
    103       1.1  nisimura 	u_int8_t g[CMAP_SIZE];
    104       1.1  nisimura 	u_int8_t b[CMAP_SIZE];
    105       1.1  nisimura };
    106       1.1  nisimura 
    107       1.1  nisimura struct omfb_softc {
    108       1.1  nisimura 	struct device sc_dev;		/* base device */
    109       1.1  nisimura 	struct om_hwdevconfig *sc_dc;	/* device configuration */
    110       1.1  nisimura 	struct hwcmap sc_cmap;		/* software copy of colormap */
    111       1.1  nisimura 	int nscreens;
    112       1.1  nisimura };
    113       1.1  nisimura 
    114       1.1  nisimura static int  omgetcmap __P((struct omfb_softc *, struct wsdisplay_cmap *));
    115       1.1  nisimura static int  omsetcmap __P((struct omfb_softc *, struct wsdisplay_cmap *));
    116       1.1  nisimura 
    117       1.1  nisimura static struct om_hwdevconfig omfb_console_dc;
    118       1.1  nisimura static void omfb_getdevconfig __P((paddr_t, struct om_hwdevconfig *));
    119       1.1  nisimura 
    120       1.1  nisimura extern struct wsdisplay_emulops omfb_emulops;
    121       1.1  nisimura 
    122       1.1  nisimura static struct wsscreen_descr omfb_stdscreen = {
    123       1.1  nisimura 	"std", 0, 0,
    124       1.1  nisimura 	&omfb_emulops,
    125       1.1  nisimura 	0, 0,
    126       1.1  nisimura 	0
    127       1.1  nisimura };
    128       1.1  nisimura 
    129       1.1  nisimura static const struct wsscreen_descr *_omfb_scrlist[] = {
    130       1.1  nisimura 	&omfb_stdscreen,
    131       1.1  nisimura };
    132       1.1  nisimura 
    133       1.1  nisimura static const struct wsscreen_list omfb_screenlist = {
    134       1.1  nisimura 	sizeof(_omfb_scrlist) / sizeof(struct wsscreen_descr *), _omfb_scrlist
    135       1.1  nisimura };
    136       1.1  nisimura 
    137  1.13.6.1    simonb static int   omfbioctl __P((void *, void *, u_long, caddr_t, int,
    138  1.13.6.1    simonb 		            struct lwp *));
    139  1.13.6.1    simonb static paddr_t omfbmmap __P((void *, void *, off_t, int));
    140       1.5    simonb static int   omfb_alloc_screen __P((void *, const struct wsscreen_descr *,
    141       1.1  nisimura 				      void **, int *, int *, long *));
    142       1.5    simonb static void  omfb_free_screen __P((void *, void *));
    143       1.5    simonb static int   omfb_show_screen __P((void *, void *, int,
    144       1.1  nisimura 				void (*) (void *, int, int), void *));
    145       1.1  nisimura 
    146       1.1  nisimura static const struct wsdisplay_accessops omfb_accessops = {
    147       1.1  nisimura 	omfbioctl,
    148       1.1  nisimura 	omfbmmap,
    149       1.1  nisimura 	omfb_alloc_screen,
    150       1.1  nisimura 	omfb_free_screen,
    151       1.1  nisimura 	omfb_show_screen,
    152       1.1  nisimura 	0 /* load_font */
    153       1.1  nisimura };
    154       1.1  nisimura 
    155       1.1  nisimura static int  omfbmatch __P((struct device *, struct cfdata *, void *));
    156       1.1  nisimura static void omfbattach __P((struct device *, struct device *, void *));
    157       1.1  nisimura 
    158      1.10   thorpej CFATTACH_DECL(fb, sizeof(struct omfb_softc),
    159      1.10   thorpej     omfbmatch, omfbattach, NULL, NULL);
    160       1.1  nisimura extern struct cfdriver fb_cd;
    161       1.1  nisimura 
    162       1.1  nisimura extern int hwplanemask;	/* hardware planemask; retrieved at boot */
    163       1.1  nisimura 
    164       1.1  nisimura static int omfb_console;
    165       1.1  nisimura int  omfb_cnattach __P((void));
    166       1.1  nisimura 
    167       1.1  nisimura static int
    168       1.1  nisimura omfbmatch(parent, cf, aux)
    169       1.1  nisimura 	struct device *parent;
    170       1.1  nisimura 	struct cfdata *cf;
    171       1.1  nisimura 	void *aux;
    172       1.1  nisimura {
    173       1.1  nisimura 	struct mainbus_attach_args *ma = aux;
    174       1.1  nisimura 
    175       1.1  nisimura 	if (strcmp(ma->ma_name, fb_cd.cd_name))
    176       1.1  nisimura 		return (0);
    177       1.4  nisimura #if 0	/* XXX badaddr() bombs if no framebuffer is installed */
    178       1.1  nisimura 	if (badaddr((caddr_t)ma->ma_addr, 4))
    179       1.1  nisimura 		return (0);
    180       1.3  nisimura #else
    181       1.3  nisimura 	if (hwplanemask == 0)
    182       1.3  nisimura 		return (0);
    183       1.3  nisimura #endif
    184       1.1  nisimura 	return (1);
    185       1.1  nisimura }
    186       1.1  nisimura 
    187       1.1  nisimura static void
    188       1.1  nisimura omfbattach(parent, self, args)
    189       1.1  nisimura 	struct device *parent, *self;
    190       1.1  nisimura 	void *args;
    191       1.1  nisimura {
    192       1.1  nisimura 	struct omfb_softc *sc = (struct omfb_softc *)self;
    193       1.1  nisimura 	struct wsemuldisplaydev_attach_args waa;
    194       1.1  nisimura 
    195       1.1  nisimura 	if (omfb_console) {
    196       1.1  nisimura 		sc->sc_dc = &omfb_console_dc;
    197       1.1  nisimura 		sc->nscreens = 1;
    198       1.1  nisimura 	}
    199       1.1  nisimura 	else {
    200       1.1  nisimura 		sc->sc_dc = (struct om_hwdevconfig *)
    201       1.1  nisimura 		    malloc(sizeof(struct om_hwdevconfig), M_DEVBUF, M_WAITOK);
    202       1.1  nisimura 		omfb_getdevconfig(OMFB_FB_WADDR, sc->sc_dc);
    203       1.1  nisimura 	}
    204       1.1  nisimura 	printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
    205       1.1  nisimura 	    sc->sc_dc->dc_depth);
    206       1.1  nisimura 
    207       1.1  nisimura #if 0	/* WHITE on BLACK */
    208       1.1  nisimura 	cm = &sc->sc_cmap;
    209       1.1  nisimura 	memset(cm, 255, sizeof(struct hwcmap));
    210       1.1  nisimura 	cm->r[0] = cm->g[0] = cm->b[0] = 0;
    211       1.1  nisimura #endif
    212       1.1  nisimura 	waa.console = omfb_console;
    213       1.1  nisimura 	waa.scrdata = &omfb_screenlist;
    214       1.1  nisimura 	waa.accessops = &omfb_accessops;
    215       1.1  nisimura 	waa.accesscookie = sc;
    216       1.1  nisimura 
    217       1.1  nisimura 	config_found(self, &waa, wsemuldisplaydevprint);
    218       1.1  nisimura }
    219       1.1  nisimura 
    220       1.1  nisimura /* EXPORT */ int
    221       1.1  nisimura omfb_cnattach()
    222       1.1  nisimura {
    223       1.1  nisimura 	struct om_hwdevconfig *dc = &omfb_console_dc;
    224       1.1  nisimura 	long defattr;
    225       1.1  nisimura 
    226       1.1  nisimura 	omfb_getdevconfig(OMFB_FB_WADDR, dc);
    227       1.8  junyoung 	(*omfb_emulops.allocattr)(&dc->dc_rcons, 0, 0, 0, &defattr);
    228       1.1  nisimura 	wsdisplay_cnattach(&omfb_stdscreen, &dc->dc_rcons, 0, 0, defattr);
    229       1.1  nisimura 	omfb_console = 1;
    230       1.1  nisimura 	return (0);
    231       1.1  nisimura }
    232       1.1  nisimura 
    233       1.1  nisimura static int
    234  1.13.6.1    simonb omfbioctl(v, vs, cmd, data, flag, l)
    235       1.1  nisimura 	void *v;
    236  1.13.6.1    simonb 	void *vs;
    237       1.1  nisimura 	u_long cmd;
    238       1.1  nisimura 	caddr_t data;
    239       1.1  nisimura 	int flag;
    240      1.13  christos 	struct lwp *l;
    241       1.1  nisimura {
    242       1.1  nisimura 	struct omfb_softc *sc = v;
    243       1.1  nisimura 	struct om_hwdevconfig *dc = sc->sc_dc;
    244       1.1  nisimura 
    245       1.1  nisimura 	switch (cmd) {
    246       1.1  nisimura 	case WSDISPLAYIO_GTYPE:
    247       1.1  nisimura 		*(u_int *)data = 0x19990927;
    248       1.1  nisimura 		return (0);
    249       1.1  nisimura 
    250       1.1  nisimura 	case WSDISPLAYIO_GINFO:
    251       1.1  nisimura #define	wsd_fbip ((struct wsdisplay_fbinfo *)data)
    252       1.1  nisimura 		wsd_fbip->height = dc->dc_ht;
    253       1.1  nisimura 		wsd_fbip->width = dc->dc_wid;
    254       1.1  nisimura 		wsd_fbip->depth = dc->dc_depth;
    255       1.1  nisimura 		wsd_fbip->cmsize = dc->dc_cmsize;
    256       1.1  nisimura #undef fbt
    257       1.1  nisimura 		return (0);
    258       1.1  nisimura 
    259       1.1  nisimura 	case WSDISPLAYIO_GETCMAP:
    260       1.1  nisimura 		return omgetcmap(sc, (struct wsdisplay_cmap *)data);
    261       1.1  nisimura 
    262       1.1  nisimura 	case WSDISPLAYIO_PUTCMAP:
    263       1.1  nisimura 		return omsetcmap(sc, (struct wsdisplay_cmap *)data);
    264       1.1  nisimura 
    265       1.1  nisimura 	case WSDISPLAYIO_SVIDEO:
    266       1.1  nisimura 	case WSDISPLAYIO_GVIDEO:
    267       1.1  nisimura 	case WSDISPLAYIO_GCURPOS:
    268       1.1  nisimura 	case WSDISPLAYIO_SCURPOS:
    269       1.1  nisimura 	case WSDISPLAYIO_GCURMAX:
    270       1.1  nisimura 	case WSDISPLAYIO_GCURSOR:
    271       1.1  nisimura 	case WSDISPLAYIO_SCURSOR:
    272       1.1  nisimura 		break;
    273       1.1  nisimura 	}
    274       1.7    atatat 	return (EPASSTHROUGH);
    275       1.1  nisimura }
    276       1.1  nisimura 
    277       1.1  nisimura /*
    278       1.1  nisimura  * Return the address that would map the given device at the given
    279       1.1  nisimura  * offset, allowing for the given protection, or return -1 for error.
    280       1.1  nisimura  */
    281       1.5    simonb static paddr_t
    282  1.13.6.1    simonb omfbmmap(v, vs, offset, prot)
    283       1.1  nisimura 	void *v;
    284  1.13.6.1    simonb 	void *vs;
    285       1.1  nisimura 	off_t offset;
    286       1.1  nisimura 	int prot;
    287       1.1  nisimura {
    288       1.1  nisimura 	struct omfb_softc *sc = v;
    289       1.1  nisimura 
    290       1.1  nisimura 	if (offset >= OMFB_SIZE || offset < 0)
    291       1.1  nisimura 		return (-1);
    292       1.1  nisimura 	return m68k_btop(m68k_trunc_page(sc->sc_dc->dc_videobase) + offset);
    293       1.1  nisimura }
    294       1.1  nisimura 
    295       1.1  nisimura static int
    296       1.1  nisimura omgetcmap(sc, p)
    297       1.1  nisimura 	struct omfb_softc *sc;
    298       1.1  nisimura 	struct wsdisplay_cmap *p;
    299       1.1  nisimura {
    300       1.1  nisimura 	u_int index = p->index, count = p->count;
    301      1.12       chs 	int cmsize, error;
    302       1.1  nisimura 
    303       1.1  nisimura 	cmsize = sc->sc_dc->dc_cmsize;
    304       1.9    itojun 	if (index >= cmsize || count > cmsize - index)
    305       1.1  nisimura 		return (EINVAL);
    306       1.1  nisimura 
    307      1.12       chs 	error = copyout(&sc->sc_cmap.r[index], p->red, count);
    308      1.12       chs 	if (error)
    309      1.12       chs 		return error;
    310      1.12       chs 	error = copyout(&sc->sc_cmap.g[index], p->green, count);
    311      1.12       chs 	if (error)
    312      1.12       chs 		return error;
    313      1.12       chs 	error = copyout(&sc->sc_cmap.b[index], p->blue, count);
    314      1.12       chs 	return error;
    315       1.1  nisimura }
    316       1.1  nisimura 
    317       1.1  nisimura static int
    318       1.1  nisimura omsetcmap(sc, p)
    319       1.1  nisimura 	struct omfb_softc *sc;
    320       1.1  nisimura 	struct wsdisplay_cmap *p;
    321       1.1  nisimura {
    322      1.12       chs 	struct hwcmap cmap;
    323       1.1  nisimura 	u_int index = p->index, count = p->count;
    324      1.12       chs 	int cmsize, i, error;
    325       1.1  nisimura 
    326       1.1  nisimura 	cmsize = sc->sc_dc->dc_cmsize;
    327       1.1  nisimura 	if (index >= cmsize || (index + count) > cmsize)
    328       1.1  nisimura 		return (EINVAL);
    329       1.1  nisimura 
    330      1.12       chs 	error = copyin(p->red, &cmap.r[index], count);
    331      1.12       chs 	if (error)
    332      1.12       chs 		return error;
    333      1.12       chs 	error = copyin(p->green, &cmap.g[index], count);
    334      1.12       chs 	if (error)
    335      1.12       chs 		return error;
    336      1.12       chs 	error = copyin(p->blue, &cmap.b[index], count);
    337      1.12       chs 	if (error)
    338      1.12       chs 		return error;
    339      1.12       chs 
    340      1.12       chs 	memcpy(&sc->sc_cmap.r[index], &cmap.r[index], count);
    341      1.12       chs 	memcpy(&sc->sc_cmap.g[index], &cmap.g[index], count);
    342      1.12       chs 	memcpy(&sc->sc_cmap.b[index], &cmap.b[index], count);
    343       1.1  nisimura 	if (hwplanemask == 0x0f) {
    344       1.1  nisimura 		struct bt454 *odac = (struct bt454 *)OMFB_RAMDAC;
    345       1.1  nisimura 		odac->bt_addr = index;
    346       1.1  nisimura 		for (i = index; i < count; i++) {
    347       1.1  nisimura 			odac->bt_cmap = sc->sc_cmap.r[i];
    348       1.1  nisimura 			odac->bt_cmap = sc->sc_cmap.g[i];
    349       1.1  nisimura 			odac->bt_cmap = sc->sc_cmap.b[i];
    350       1.1  nisimura 		}
    351       1.1  nisimura 	}
    352       1.1  nisimura 	else if (hwplanemask == 0xff) {
    353       1.1  nisimura 		struct bt458 *ndac = (struct bt458 *)OMFB_RAMDAC;
    354       1.1  nisimura 		ndac->bt_addr = index;
    355       1.1  nisimura 		for (i = index; i < count; i++) {
    356       1.1  nisimura 			ndac->bt_cmap = sc->sc_cmap.r[i];
    357       1.1  nisimura 			ndac->bt_cmap = sc->sc_cmap.g[i];
    358       1.1  nisimura 			ndac->bt_cmap = sc->sc_cmap.b[i];
    359       1.1  nisimura 		}
    360       1.1  nisimura 	}
    361       1.1  nisimura 	return (0);
    362       1.1  nisimura }
    363       1.1  nisimura 
    364       1.1  nisimura static void
    365       1.1  nisimura omfb_getdevconfig(paddr, dc)
    366       1.1  nisimura 	paddr_t paddr;
    367       1.1  nisimura 	struct om_hwdevconfig *dc;
    368       1.1  nisimura {
    369       1.1  nisimura 	int bpp, i;
    370       1.1  nisimura 	struct raster *rap;
    371       1.1  nisimura 	struct rcons *rcp;
    372       1.4  nisimura 	union {
    373       1.4  nisimura 		struct { short h, v; } p;
    374       1.4  nisimura 		u_int32_t u;
    375       1.4  nisimura 	} rfcnt;
    376       1.1  nisimura 
    377       1.1  nisimura 	switch (hwplanemask) {
    378       1.1  nisimura 	case 0xff:
    379       1.1  nisimura 		bpp = 8;	/* XXX check monochrome bit in DIPSW */
    380       1.1  nisimura 		break;
    381       1.1  nisimura 	default:
    382       1.1  nisimura 	case 0x0f:
    383       1.1  nisimura 		bpp = 4;	/* XXX check monochrome bit in DIPSW */
    384       1.1  nisimura 		break;
    385       1.1  nisimura 	case 1:
    386       1.1  nisimura 		bpp = 1;
    387       1.1  nisimura 		break;
    388       1.1  nisimura 	}
    389       1.2  nisimura 	dc->dc_wid = 1280;
    390       1.1  nisimura 	dc->dc_ht = 1024;
    391       1.1  nisimura 	dc->dc_depth = bpp;
    392       1.1  nisimura 	dc->dc_rowbytes = 2048 / 8;
    393       1.1  nisimura 	dc->dc_cmsize = (bpp == 1) ? 0 : 1 << bpp;
    394       1.1  nisimura 	dc->dc_videobase = paddr;
    395       1.1  nisimura 
    396       1.4  nisimura #if 0 /* WHITE on BLACK XXX experiment resulted in WHITE on SKYBLUE... */
    397       1.1  nisimura 	if (hwplanemask == 0x0f) {
    398       1.1  nisimura 		/* XXX Need Bt454 initialization */
    399       1.1  nisimura 		struct bt454 *odac = (struct bt454 *)OMFB_RAMDAC;
    400       1.1  nisimura 		odac->bt_addr = 0;
    401       1.1  nisimura 		odac->bt_cmap = 0;
    402       1.1  nisimura 		odac->bt_cmap = 0;
    403       1.1  nisimura 		odac->bt_cmap = 0;
    404       1.1  nisimura 		for (i = 1; i < 16; i++) {
    405       1.1  nisimura 			odac->bt_cmap = 255;
    406       1.1  nisimura 			odac->bt_cmap = 255;
    407       1.1  nisimura 			odac->bt_cmap = 255;
    408       1.1  nisimura 		}
    409       1.1  nisimura 	}
    410       1.1  nisimura 	else if (hwplanemask == 0xff) {
    411       1.1  nisimura 		struct bt458 *ndac = (struct bt458 *)OMFB_RAMDAC;
    412       1.1  nisimura 
    413       1.1  nisimura 		ndac->bt_addr = 0x04;
    414       1.1  nisimura 		ndac->bt_ctrl = 0xff; /* all planes will be read */
    415       1.1  nisimura 		ndac->bt_ctrl = 0x00; /* all planes have non-blink */
    416       1.1  nisimura 		ndac->bt_ctrl = 0x43; /* pallete enabled, ovly plane */
    417       1.1  nisimura 		ndac->bt_ctrl = 0x00; /* no test mode */
    418       1.1  nisimura 		ndac->bt_addr = 0;
    419       1.1  nisimura 		ndac->bt_cmap = 0;
    420       1.1  nisimura 		ndac->bt_cmap = 0;
    421       1.1  nisimura 		ndac->bt_cmap = 0;
    422       1.1  nisimura 		for (i = 1; i < 256; i++) {
    423       1.1  nisimura 			ndac->bt_cmap = 255;
    424       1.1  nisimura 			ndac->bt_cmap = 255;
    425       1.1  nisimura 			ndac->bt_cmap = 255;
    426       1.1  nisimura 		}
    427       1.1  nisimura 	}
    428       1.1  nisimura #endif
    429       1.1  nisimura 
    430       1.1  nisimura 	/* adjust h/v orgin on screen */
    431       1.4  nisimura 	rfcnt.p.h = 7;
    432       1.4  nisimura 	rfcnt.p.v = -27;
    433       1.4  nisimura 	*(u_int32_t *)OMFB_RFCNT = rfcnt.u; /* single write of 0x007ffe6 */
    434       1.1  nisimura 
    435       1.1  nisimura 	/* clear the screen */
    436       1.1  nisimura 	*(u_int32_t *)OMFB_PLANEMASK = 0xff;
    437       1.1  nisimura 	((u_int32_t *)OMFB_ROPFUNC)[5] = ~0;	/* ROP copy */
    438       1.1  nisimura 	for (i = 0; i < dc->dc_ht * dc->dc_rowbytes/sizeof(u_int32_t); i++)
    439       1.4  nisimura 		*((u_int32_t *)dc->dc_videobase + i) = 0;
    440       1.1  nisimura 	*(u_int32_t *)OMFB_PLANEMASK = 0x01;
    441       1.1  nisimura 
    442       1.1  nisimura 	/* initialize the raster */
    443       1.1  nisimura 	rap = &dc->dc_raster;
    444       1.1  nisimura 	rap->width = dc->dc_wid;
    445       1.1  nisimura 	rap->height = dc->dc_ht;
    446       1.1  nisimura 	rap->depth = dc->dc_depth;
    447       1.1  nisimura 	rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
    448       1.1  nisimura 	rap->pixels = (u_int32_t *)dc->dc_videobase;
    449       1.1  nisimura 
    450       1.1  nisimura 	/* initialize the raster console blitter */
    451       1.1  nisimura 	rcp = &dc->dc_rcons;
    452       1.1  nisimura 	rcp->rc_sp = rap;
    453       1.1  nisimura 	rcp->rc_crow = rcp->rc_ccol = -1;
    454       1.1  nisimura 	rcp->rc_crowp = &rcp->rc_crow;
    455       1.1  nisimura 	rcp->rc_ccolp = &rcp->rc_ccol;
    456       1.1  nisimura 	rcons_init(rcp, 34, 80);
    457       1.1  nisimura 
    458       1.1  nisimura 	omfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow;
    459       1.1  nisimura 	omfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol;
    460       1.1  nisimura }
    461       1.1  nisimura 
    462       1.1  nisimura static int
    463       1.1  nisimura omfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
    464       1.1  nisimura 	void *v;
    465       1.1  nisimura 	const struct wsscreen_descr *type;
    466       1.1  nisimura 	void **cookiep;
    467       1.1  nisimura 	int *curxp, *curyp;
    468       1.1  nisimura 	long *attrp;
    469       1.1  nisimura {
    470       1.1  nisimura 	struct omfb_softc *sc = v;
    471       1.1  nisimura 	long defattr;
    472       1.1  nisimura 
    473       1.1  nisimura 	if (sc->nscreens > 0)
    474       1.1  nisimura 		return (ENOMEM);
    475       1.1  nisimura 
    476       1.1  nisimura 	*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
    477       1.1  nisimura 	*curxp = 0;
    478       1.1  nisimura 	*curyp = 0;
    479       1.8  junyoung 	(*omfb_emulops.allocattr)(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr);
    480       1.1  nisimura 	*attrp = defattr;
    481       1.1  nisimura 	sc->nscreens++;
    482       1.1  nisimura 	return (0);
    483       1.1  nisimura }
    484       1.1  nisimura 
    485       1.1  nisimura static void
    486       1.1  nisimura omfb_free_screen(v, cookie)
    487       1.1  nisimura 	void *v;
    488       1.1  nisimura 	void *cookie;
    489       1.1  nisimura {
    490       1.1  nisimura 	struct omfb_softc *sc = v;
    491       1.1  nisimura 
    492       1.1  nisimura 	if (sc->sc_dc == &omfb_console_dc)
    493       1.1  nisimura 		panic("omfb_free_screen: console");
    494       1.1  nisimura 
    495       1.1  nisimura 	sc->nscreens--;
    496       1.1  nisimura }
    497       1.1  nisimura 
    498       1.1  nisimura static int
    499       1.1  nisimura omfb_show_screen(v, cookie, waitok, cb, cbarg)
    500       1.1  nisimura 	void *v;
    501       1.1  nisimura 	void *cookie;
    502       1.1  nisimura 	int waitok;
    503       1.1  nisimura 	void (*cb) __P((void *, int, int));
    504       1.1  nisimura 	void *cbarg;
    505       1.1  nisimura {
    506       1.1  nisimura 	return 0;
    507       1.1  nisimura }
    508