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lunafb.c revision 1.6.6.2
      1  1.6.6.2  jdolecek /* $NetBSD: lunafb.c,v 1.6.6.2 2002/09/06 08:36:42 jdolecek 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  1.6.6.2  jdolecek __KERNEL_RCSID(0, "$NetBSD: lunafb.c,v 1.6.6.2 2002/09/06 08:36:42 jdolecek 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      1.1  nisimura #define	OMFB_SIZE	(0xB1300000 - 0xB1080000 + NBPG)
     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      1.5    simonb static int   omfbioctl __P((void *, u_long, caddr_t, int, struct proc *));
    138      1.5    simonb static paddr_t omfbmmap __P((void *, off_t, int));
    139      1.5    simonb static int   omfb_alloc_screen __P((void *, const struct wsscreen_descr *,
    140      1.1  nisimura 				      void **, int *, int *, long *));
    141      1.5    simonb static void  omfb_free_screen __P((void *, void *));
    142      1.5    simonb static int   omfb_show_screen __P((void *, void *, int,
    143      1.1  nisimura 				void (*) (void *, int, int), void *));
    144      1.1  nisimura 
    145      1.1  nisimura static const struct wsdisplay_accessops omfb_accessops = {
    146      1.1  nisimura 	omfbioctl,
    147      1.1  nisimura 	omfbmmap,
    148      1.1  nisimura 	omfb_alloc_screen,
    149      1.1  nisimura 	omfb_free_screen,
    150      1.1  nisimura 	omfb_show_screen,
    151      1.1  nisimura 	0 /* load_font */
    152      1.1  nisimura };
    153      1.1  nisimura 
    154      1.1  nisimura static int  omfbmatch __P((struct device *, struct cfdata *, void *));
    155      1.1  nisimura static void omfbattach __P((struct device *, struct device *, void *));
    156      1.1  nisimura 
    157      1.1  nisimura const struct cfattach fb_ca = {
    158      1.1  nisimura 	sizeof(struct omfb_softc), omfbmatch, omfbattach
    159      1.1  nisimura };
    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  1.6.6.2  jdolecek 	(*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      1.1  nisimura omfbioctl(v, cmd, data, flag, p)
    235      1.1  nisimura 	void *v;
    236      1.1  nisimura 	u_long cmd;
    237      1.1  nisimura 	caddr_t data;
    238      1.1  nisimura 	int flag;
    239      1.1  nisimura 	struct proc *p;
    240      1.1  nisimura {
    241      1.1  nisimura 	struct omfb_softc *sc = v;
    242      1.1  nisimura 	struct om_hwdevconfig *dc = sc->sc_dc;
    243      1.1  nisimura 
    244      1.1  nisimura 	switch (cmd) {
    245      1.1  nisimura 	case WSDISPLAYIO_GTYPE:
    246      1.1  nisimura 		*(u_int *)data = 0x19990927;
    247      1.1  nisimura 		return (0);
    248      1.1  nisimura 
    249      1.1  nisimura 	case WSDISPLAYIO_GINFO:
    250      1.1  nisimura #define	wsd_fbip ((struct wsdisplay_fbinfo *)data)
    251      1.1  nisimura 		wsd_fbip->height = dc->dc_ht;
    252      1.1  nisimura 		wsd_fbip->width = dc->dc_wid;
    253      1.1  nisimura 		wsd_fbip->depth = dc->dc_depth;
    254      1.1  nisimura 		wsd_fbip->cmsize = dc->dc_cmsize;
    255      1.1  nisimura #undef fbt
    256      1.1  nisimura 		return (0);
    257      1.1  nisimura 
    258      1.1  nisimura 	case WSDISPLAYIO_GETCMAP:
    259      1.1  nisimura 		return omgetcmap(sc, (struct wsdisplay_cmap *)data);
    260      1.1  nisimura 
    261      1.1  nisimura 	case WSDISPLAYIO_PUTCMAP:
    262      1.1  nisimura 		return omsetcmap(sc, (struct wsdisplay_cmap *)data);
    263      1.1  nisimura 
    264      1.1  nisimura 	case WSDISPLAYIO_SVIDEO:
    265      1.1  nisimura 	case WSDISPLAYIO_GVIDEO:
    266      1.1  nisimura 	case WSDISPLAYIO_GCURPOS:
    267      1.1  nisimura 	case WSDISPLAYIO_SCURPOS:
    268      1.1  nisimura 	case WSDISPLAYIO_GCURMAX:
    269      1.1  nisimura 	case WSDISPLAYIO_GCURSOR:
    270      1.1  nisimura 	case WSDISPLAYIO_SCURSOR:
    271      1.1  nisimura 		break;
    272      1.1  nisimura 	}
    273  1.6.6.1  jdolecek 	return (EPASSTHROUGH);
    274      1.1  nisimura }
    275      1.1  nisimura 
    276      1.1  nisimura /*
    277      1.1  nisimura  * Return the address that would map the given device at the given
    278      1.1  nisimura  * offset, allowing for the given protection, or return -1 for error.
    279      1.1  nisimura  */
    280      1.5    simonb static paddr_t
    281      1.1  nisimura omfbmmap(v, offset, prot)
    282      1.1  nisimura 	void *v;
    283      1.1  nisimura 	off_t offset;
    284      1.1  nisimura 	int prot;
    285      1.1  nisimura {
    286      1.1  nisimura 	struct omfb_softc *sc = v;
    287      1.1  nisimura 
    288      1.1  nisimura 	if (offset >= OMFB_SIZE || offset < 0)
    289      1.1  nisimura 		return (-1);
    290      1.1  nisimura 	return m68k_btop(m68k_trunc_page(sc->sc_dc->dc_videobase) + offset);
    291      1.1  nisimura }
    292      1.1  nisimura 
    293      1.1  nisimura static int
    294      1.1  nisimura omgetcmap(sc, p)
    295      1.1  nisimura 	struct omfb_softc *sc;
    296      1.1  nisimura 	struct wsdisplay_cmap *p;
    297      1.1  nisimura {
    298      1.1  nisimura 	u_int index = p->index, count = p->count;
    299      1.1  nisimura         int cmsize;
    300      1.1  nisimura 
    301      1.1  nisimura 	cmsize = sc->sc_dc->dc_cmsize;
    302  1.6.6.2  jdolecek 	if (index >= cmsize || count > cmsize - index)
    303      1.1  nisimura 		return (EINVAL);
    304      1.1  nisimura 
    305      1.1  nisimura 	if (!uvm_useracc(p->red, count, B_WRITE) ||
    306      1.1  nisimura 	    !uvm_useracc(p->green, count, B_WRITE) ||
    307      1.1  nisimura 	    !uvm_useracc(p->blue, count, B_WRITE))
    308      1.1  nisimura 		return (EFAULT);
    309      1.1  nisimura 
    310      1.1  nisimura 	copyout(&sc->sc_cmap.r[index], p->red, count);
    311      1.1  nisimura 	copyout(&sc->sc_cmap.g[index], p->green, count);
    312      1.1  nisimura 	copyout(&sc->sc_cmap.b[index], p->blue, count);
    313      1.1  nisimura 
    314      1.1  nisimura 	return (0);
    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      1.1  nisimura 	u_int index = p->index, count = p->count;
    323      1.1  nisimura         int cmsize, i;
    324      1.1  nisimura 
    325      1.1  nisimura 	cmsize = sc->sc_dc->dc_cmsize;
    326      1.1  nisimura 	if (index >= cmsize || (index + count) > cmsize)
    327      1.1  nisimura 		return (EINVAL);
    328      1.1  nisimura 
    329      1.1  nisimura 	if (!uvm_useracc(p->red, count, B_READ) ||
    330      1.1  nisimura 	    !uvm_useracc(p->green, count, B_READ) ||
    331      1.1  nisimura 	    !uvm_useracc(p->blue, count, B_READ))
    332      1.1  nisimura 		return (EFAULT);
    333      1.1  nisimura 
    334      1.1  nisimura 	copyin(p->red, &sc->sc_cmap.r[index], count);
    335      1.1  nisimura 	copyin(p->green, &sc->sc_cmap.g[index], count);
    336      1.1  nisimura 	copyin(p->blue, &sc->sc_cmap.b[index], count);
    337      1.1  nisimura 
    338      1.1  nisimura 	if (hwplanemask == 0x0f) {
    339      1.1  nisimura 		struct bt454 *odac = (struct bt454 *)OMFB_RAMDAC;
    340      1.1  nisimura 		odac->bt_addr = index;
    341      1.1  nisimura 		for (i = index; i < count; i++) {
    342      1.1  nisimura 			odac->bt_cmap = sc->sc_cmap.r[i];
    343      1.1  nisimura 			odac->bt_cmap = sc->sc_cmap.g[i];
    344      1.1  nisimura 			odac->bt_cmap = sc->sc_cmap.b[i];
    345      1.1  nisimura 		}
    346      1.1  nisimura 	}
    347      1.1  nisimura 	else if (hwplanemask == 0xff) {
    348      1.1  nisimura 		struct bt458 *ndac = (struct bt458 *)OMFB_RAMDAC;
    349      1.1  nisimura 		ndac->bt_addr = index;
    350      1.1  nisimura 		for (i = index; i < count; i++) {
    351      1.1  nisimura 			ndac->bt_cmap = sc->sc_cmap.r[i];
    352      1.1  nisimura 			ndac->bt_cmap = sc->sc_cmap.g[i];
    353      1.1  nisimura 			ndac->bt_cmap = sc->sc_cmap.b[i];
    354      1.1  nisimura 		}
    355      1.1  nisimura 	}
    356      1.1  nisimura 	return (0);
    357      1.1  nisimura }
    358      1.1  nisimura 
    359      1.1  nisimura static void
    360      1.1  nisimura omfb_getdevconfig(paddr, dc)
    361      1.1  nisimura 	paddr_t paddr;
    362      1.1  nisimura 	struct om_hwdevconfig *dc;
    363      1.1  nisimura {
    364      1.1  nisimura 	int bpp, i;
    365      1.1  nisimura 	struct raster *rap;
    366      1.1  nisimura 	struct rcons *rcp;
    367      1.4  nisimura 	union {
    368      1.4  nisimura 		struct { short h, v; } p;
    369      1.4  nisimura 		u_int32_t u;
    370      1.4  nisimura 	} rfcnt;
    371      1.1  nisimura 
    372      1.1  nisimura 	switch (hwplanemask) {
    373      1.1  nisimura 	case 0xff:
    374      1.1  nisimura 		bpp = 8;	/* XXX check monochrome bit in DIPSW */
    375      1.1  nisimura 		break;
    376      1.1  nisimura 	default:
    377      1.1  nisimura 	case 0x0f:
    378      1.1  nisimura 		bpp = 4;	/* XXX check monochrome bit in DIPSW */
    379      1.1  nisimura 		break;
    380      1.1  nisimura 	case 1:
    381      1.1  nisimura 		bpp = 1;
    382      1.1  nisimura 		break;
    383      1.1  nisimura 	}
    384      1.2  nisimura 	dc->dc_wid = 1280;
    385      1.1  nisimura 	dc->dc_ht = 1024;
    386      1.1  nisimura 	dc->dc_depth = bpp;
    387      1.1  nisimura 	dc->dc_rowbytes = 2048 / 8;
    388      1.1  nisimura 	dc->dc_cmsize = (bpp == 1) ? 0 : 1 << bpp;
    389      1.1  nisimura 	dc->dc_videobase = paddr;
    390      1.1  nisimura 
    391      1.4  nisimura #if 0 /* WHITE on BLACK XXX experiment resulted in WHITE on SKYBLUE... */
    392      1.1  nisimura 	if (hwplanemask == 0x0f) {
    393      1.1  nisimura 		/* XXX Need Bt454 initialization */
    394      1.1  nisimura 		struct bt454 *odac = (struct bt454 *)OMFB_RAMDAC;
    395      1.1  nisimura 		odac->bt_addr = 0;
    396      1.1  nisimura 		odac->bt_cmap = 0;
    397      1.1  nisimura 		odac->bt_cmap = 0;
    398      1.1  nisimura 		odac->bt_cmap = 0;
    399      1.1  nisimura 		for (i = 1; i < 16; i++) {
    400      1.1  nisimura 			odac->bt_cmap = 255;
    401      1.1  nisimura 			odac->bt_cmap = 255;
    402      1.1  nisimura 			odac->bt_cmap = 255;
    403      1.1  nisimura 		}
    404      1.1  nisimura 	}
    405      1.1  nisimura 	else if (hwplanemask == 0xff) {
    406      1.1  nisimura 		struct bt458 *ndac = (struct bt458 *)OMFB_RAMDAC;
    407      1.1  nisimura 
    408      1.1  nisimura 		ndac->bt_addr = 0x04;
    409      1.1  nisimura 		ndac->bt_ctrl = 0xff; /* all planes will be read */
    410      1.1  nisimura 		ndac->bt_ctrl = 0x00; /* all planes have non-blink */
    411      1.1  nisimura 		ndac->bt_ctrl = 0x43; /* pallete enabled, ovly plane */
    412      1.1  nisimura 		ndac->bt_ctrl = 0x00; /* no test mode */
    413      1.1  nisimura 		ndac->bt_addr = 0;
    414      1.1  nisimura 		ndac->bt_cmap = 0;
    415      1.1  nisimura 		ndac->bt_cmap = 0;
    416      1.1  nisimura 		ndac->bt_cmap = 0;
    417      1.1  nisimura 		for (i = 1; i < 256; i++) {
    418      1.1  nisimura 			ndac->bt_cmap = 255;
    419      1.1  nisimura 			ndac->bt_cmap = 255;
    420      1.1  nisimura 			ndac->bt_cmap = 255;
    421      1.1  nisimura 		}
    422      1.1  nisimura 	}
    423      1.1  nisimura #endif
    424      1.1  nisimura 
    425      1.1  nisimura 	/* adjust h/v orgin on screen */
    426      1.4  nisimura 	rfcnt.p.h = 7;
    427      1.4  nisimura 	rfcnt.p.v = -27;
    428      1.4  nisimura 	*(u_int32_t *)OMFB_RFCNT = rfcnt.u; /* single write of 0x007ffe6 */
    429      1.1  nisimura 
    430      1.1  nisimura 	/* clear the screen */
    431      1.1  nisimura 	*(u_int32_t *)OMFB_PLANEMASK = 0xff;
    432      1.1  nisimura 	((u_int32_t *)OMFB_ROPFUNC)[5] = ~0;	/* ROP copy */
    433      1.1  nisimura 	for (i = 0; i < dc->dc_ht * dc->dc_rowbytes/sizeof(u_int32_t); i++)
    434      1.4  nisimura 		*((u_int32_t *)dc->dc_videobase + i) = 0;
    435      1.1  nisimura 	*(u_int32_t *)OMFB_PLANEMASK = 0x01;
    436      1.1  nisimura 
    437      1.1  nisimura 	/* initialize the raster */
    438      1.1  nisimura 	rap = &dc->dc_raster;
    439      1.1  nisimura 	rap->width = dc->dc_wid;
    440      1.1  nisimura 	rap->height = dc->dc_ht;
    441      1.1  nisimura 	rap->depth = dc->dc_depth;
    442      1.1  nisimura 	rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
    443      1.1  nisimura 	rap->pixels = (u_int32_t *)dc->dc_videobase;
    444      1.1  nisimura 
    445      1.1  nisimura 	/* initialize the raster console blitter */
    446      1.1  nisimura 	rcp = &dc->dc_rcons;
    447      1.1  nisimura 	rcp->rc_sp = rap;
    448      1.1  nisimura 	rcp->rc_crow = rcp->rc_ccol = -1;
    449      1.1  nisimura 	rcp->rc_crowp = &rcp->rc_crow;
    450      1.1  nisimura 	rcp->rc_ccolp = &rcp->rc_ccol;
    451      1.1  nisimura 	rcons_init(rcp, 34, 80);
    452      1.1  nisimura 
    453      1.1  nisimura 	omfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow;
    454      1.1  nisimura 	omfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol;
    455      1.1  nisimura }
    456      1.1  nisimura 
    457      1.1  nisimura static int
    458      1.1  nisimura omfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
    459      1.1  nisimura 	void *v;
    460      1.1  nisimura 	const struct wsscreen_descr *type;
    461      1.1  nisimura 	void **cookiep;
    462      1.1  nisimura 	int *curxp, *curyp;
    463      1.1  nisimura 	long *attrp;
    464      1.1  nisimura {
    465      1.1  nisimura 	struct omfb_softc *sc = v;
    466      1.1  nisimura 	long defattr;
    467      1.1  nisimura 
    468      1.1  nisimura 	if (sc->nscreens > 0)
    469      1.1  nisimura 		return (ENOMEM);
    470      1.1  nisimura 
    471      1.1  nisimura 	*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
    472      1.1  nisimura 	*curxp = 0;
    473      1.1  nisimura 	*curyp = 0;
    474  1.6.6.2  jdolecek 	(*omfb_emulops.allocattr)(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr);
    475      1.1  nisimura 	*attrp = defattr;
    476      1.1  nisimura 	sc->nscreens++;
    477      1.1  nisimura 	return (0);
    478      1.1  nisimura }
    479      1.1  nisimura 
    480      1.1  nisimura static void
    481      1.1  nisimura omfb_free_screen(v, cookie)
    482      1.1  nisimura 	void *v;
    483      1.1  nisimura 	void *cookie;
    484      1.1  nisimura {
    485      1.1  nisimura 	struct omfb_softc *sc = v;
    486      1.1  nisimura 
    487      1.1  nisimura 	if (sc->sc_dc == &omfb_console_dc)
    488      1.1  nisimura 		panic("omfb_free_screen: console");
    489      1.1  nisimura 
    490      1.1  nisimura 	sc->nscreens--;
    491      1.1  nisimura }
    492      1.1  nisimura 
    493      1.1  nisimura static int
    494      1.1  nisimura omfb_show_screen(v, cookie, waitok, cb, cbarg)
    495      1.1  nisimura 	void *v;
    496      1.1  nisimura 	void *cookie;
    497      1.1  nisimura 	int waitok;
    498      1.1  nisimura 	void (*cb) __P((void *, int, int));
    499      1.1  nisimura 	void *cbarg;
    500      1.1  nisimura {
    501      1.1  nisimura 	return 0;
    502      1.1  nisimura }
    503