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zx.c revision 1.45
      1 /*	$NetBSD: zx.c,v 1.45 2019/11/10 21:16:37 chs Exp $	*/
      2 
      3 /*
      4  *  Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  *  All rights reserved.
      6  *
      7  *  This code is derived from software contributed to The NetBSD Foundation
      8  *  by Andrew Doran.
      9  *
     10  *  Redistribution and use in source and binary forms, with or without
     11  *  modification, are permitted provided that the following conditions
     12  *  are met:
     13  *  1. Redistributions of source code must retain the above copyright
     14  *     notice, this list of conditions and the following disclaimer.
     15  *  2. Redistributions in binary form must reproduce the above copyright
     16  *     notice, this list of conditions and the following disclaimer in the
     17  *     documentation and/or other materials provided with the distribution.
     18  *
     19  *  THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  *  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  *  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  *  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  *  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  *  POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Driver for the Sun ZX display adapter.  This would be called 'leo', but
     34  * NetBSD/amiga already has a driver by that name.  The XFree86 and Linux
     35  * drivers were used as "living documentation" when writing this; thanks
     36  * to the authors.
     37  *
     38  * Issues (which can be solved with wscons, happily enough):
     39  *
     40  * o There is lots of unnecessary mucking about rasops in here, primarily
     41  *   to appease the sparc fb code.
     42  */
     43 
     44 #include <sys/cdefs.h>
     45 __KERNEL_RCSID(0, "$NetBSD: zx.c,v 1.45 2019/11/10 21:16:37 chs Exp $");
     46 
     47 #include <sys/param.h>
     48 #include <sys/systm.h>
     49 #include <sys/device.h>
     50 #include <sys/ioctl.h>
     51 #include <sys/malloc.h>
     52 #include <sys/mman.h>
     53 #include <sys/tty.h>
     54 #include <sys/conf.h>
     55 #include <sys/syslog.h>
     56 #include <sys/buf.h>
     57 #ifdef DEBUG
     58 /* for log(9) in zxioctl() */
     59 #include <sys/lwp.h>
     60 #include <sys/proc.h>
     61 #endif
     62 
     63 #include <sys/bus.h>
     64 #include <machine/autoconf.h>
     65 
     66 #include <dev/sun/fbio.h>
     67 #include <dev/sun/fbvar.h>
     68 
     69 #include "wsdisplay.h"
     70 #include <dev/wscons/wsconsio.h>
     71 #include <dev/wsfont/wsfont.h>
     72 #include <dev/rasops/rasops.h>
     73 #include <dev/wscons/wsdisplay_vconsvar.h>
     74 
     75 #include "opt_wsemul.h"
     76 
     77 #include <dev/sbus/zxreg.h>
     78 #include <dev/sbus/zxvar.h>
     79 #include <dev/sbus/sbusvar.h>
     80 
     81 #include <dev/wscons/wsconsio.h>
     82 
     83 #include "ioconf.h"
     84 
     85 #define	ZX_STD_ROP	(ZX_ROP_NEW | ZX_ATTR_WE_ENABLE | \
     86     ZX_ATTR_OE_ENABLE | ZX_ATTR_FORCE_WID)
     87 
     88 static void	zx_attach(device_t, device_t, void *);
     89 static int	zx_match(device_t, cfdata_t, void *);
     90 
     91 static void	zx_blank(device_t);
     92 static int	zx_cmap_put(struct zx_softc *);
     93 static void	zx_copyrect(struct zx_softc *, int, int, int, int, int, int);
     94 static int	zx_cross_loadwid(struct zx_softc *, u_int, u_int, u_int);
     95 static int	zx_cross_wait(struct zx_softc *);
     96 static void	zx_fillrect(struct zx_softc *, int, int, int, int, uint32_t, int);
     97 static int	zx_intr(void *);
     98 static void	zx_reset(struct zx_softc *);
     99 static void	zx_unblank(device_t);
    100 
    101 static void	zx_cursor_blank(struct zx_softc *);
    102 static void	zx_cursor_color(struct zx_softc *);
    103 static void	zx_cursor_move(struct zx_softc *);
    104 static void	zx_cursor_set(struct zx_softc *);
    105 static void	zx_cursor_unblank(struct zx_softc *);
    106 
    107 static void	zx_copycols(void *, int, int, int, int);
    108 static void	zx_copyrows(void *, int, int, int);
    109 static void	zx_do_cursor(void *, int, int, int);
    110 static void	zx_erasecols(void *, int, int, int, long);
    111 static void	zx_eraserows(void *, int, int, long);
    112 static void	zx_putchar(void *, int, int, u_int, long);
    113 
    114 struct zx_mmo {
    115 	off_t	mo_va;
    116 	off_t	mo_pa;
    117 	off_t	mo_size;
    118 } static const zx_mmo[] = {
    119 	{ ZX_FB0_VOFF,		ZX_OFF_SS0,		0x00800000 },
    120 	{ ZX_LC0_VOFF,		ZX_OFF_LC_SS0_USR,	0x00001000 },
    121 	{ ZX_LD0_VOFF,		ZX_OFF_LD_SS0,		0x00001000 },
    122 	{ ZX_LX0_CURSOR_VOFF,	ZX_OFF_LX_CURSOR,	0x00001000 },
    123 	{ ZX_FB1_VOFF,		ZX_OFF_SS1,		0x00800000 },
    124 	{ ZX_LC1_VOFF,		ZX_OFF_LC_SS1_USR,	0x00001000 },
    125 	{ ZX_LD1_VOFF,		ZX_OFF_LD_SS1,		0x00001000 },
    126 	{ ZX_LX_KRN_VOFF,	ZX_OFF_LX_CROSS,	0x00001000 },
    127 	{ ZX_LC0_KRN_VOFF,	ZX_OFF_LC_SS0_KRN,	0x00001000 },
    128 	{ ZX_LC1_KRN_VOFF,	ZX_OFF_LC_SS1_KRN,	0x00001000 },
    129 	{ ZX_LD_GBL_VOFF,	ZX_OFF_LD_GBL,		0x00001000 },
    130 };
    131 
    132 CFATTACH_DECL_NEW(zx, sizeof(struct zx_softc),
    133     zx_match, zx_attach, NULL, NULL);
    134 
    135 static dev_type_open(zxopen);
    136 static dev_type_close(zxclose);
    137 static dev_type_ioctl(zxioctl);
    138 static dev_type_mmap(zxmmap);
    139 
    140 static struct fbdriver zx_fbdriver = {
    141 	zx_unblank, zxopen, zxclose, zxioctl, nopoll, zxmmap
    142 };
    143 
    144 struct wsscreen_descr zx_defaultscreen = {
    145 	"std",
    146 	0, 0,	/* will be filled in -- XXX shouldn't, it's global */
    147 		/* doesn't matter - you can't really have more than one leo */
    148 	NULL,		/* textops */
    149 	8, 16,	/* font width/height */
    150 	WSSCREEN_WSCOLORS,	/* capabilities */
    151 	NULL	/* modecookie */
    152 };
    153 
    154 static int 	zx_ioctl(void *, void *, u_long, void *, int, struct lwp *);
    155 static paddr_t	zx_mmap(void *, void *, off_t, int);
    156 static void	zx_init_screen(void *, struct vcons_screen *, int, long *);
    157 
    158 static int	zx_putcmap(struct zx_softc *, struct wsdisplay_cmap *);
    159 static int	zx_getcmap(struct zx_softc *, struct wsdisplay_cmap *);
    160 
    161 struct wsdisplay_accessops zx_accessops = {
    162 	zx_ioctl,
    163 	zx_mmap,
    164 	NULL,	/* alloc_screen */
    165 	NULL,	/* free_screen */
    166 	NULL,	/* show_screen */
    167 	NULL, 	/* load_font */
    168 	NULL,	/* pollc */
    169 	NULL	/* scroll */
    170 };
    171 
    172 const struct wsscreen_descr *_zx_scrlist[] = {
    173 	&zx_defaultscreen
    174 };
    175 
    176 struct wsscreen_list zx_screenlist = {
    177 	sizeof(_zx_scrlist) / sizeof(struct wsscreen_descr *),
    178 	_zx_scrlist
    179 };
    180 
    181 
    182 extern const u_char rasops_cmap[768];
    183 
    184 static struct vcons_screen zx_console_screen;
    185 
    186 static int
    187 zx_match(device_t parent, cfdata_t cf, void *aux)
    188 {
    189 	struct sbus_attach_args *sa;
    190 
    191 	sa = (struct sbus_attach_args *)aux;
    192 
    193 	return (strcmp(sa->sa_name, "SUNW,leo") == 0);
    194 }
    195 
    196 static void
    197 zx_attach(device_t parent, device_t self, void *args)
    198 {
    199 	struct zx_softc *sc;
    200 	struct sbus_attach_args *sa;
    201 	bus_space_handle_t bh;
    202 	bus_space_tag_t bt;
    203 	struct fbdevice *fb;
    204 	struct wsemuldisplaydev_attach_args aa;
    205 	struct rasops_info *ri = &zx_console_screen.scr_ri;
    206 	unsigned long defattr;
    207 	int isconsole, width, height;
    208 
    209 	sc = device_private(self);
    210 	sc->sc_dv = self;
    211 
    212 	sa = args;
    213 	fb = &sc->sc_fb;
    214 	bt = sa->sa_bustag;
    215 	sc->sc_bt = bt;
    216 	sc->sc_paddr = sbus_bus_addr(bt, sa->sa_slot, sa->sa_offset);
    217 
    218 	if (sbus_bus_map(bt, sa->sa_slot, sa->sa_offset + ZX_OFF_SS0,
    219 	    0x800000, BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, &bh) != 0) {
    220 		aprint_error_dev(self, "can't map bits\n");
    221 		return;
    222 	}
    223 	fb->fb_pixels = (void *)bus_space_vaddr(bt, bh);
    224 	sc->sc_pixels = (uint32_t *)fb->fb_pixels;
    225 
    226 	if (sbus_bus_map(bt, sa->sa_slot, sa->sa_offset + ZX_OFF_LC_SS0_USR,
    227 	    PAGE_SIZE, BUS_SPACE_MAP_LINEAR, &bh) != 0) {
    228 		aprint_error_dev(self, "can't map zc\n");
    229 		return;
    230 	}
    231 
    232 	sc->sc_bhzc = bh;
    233 
    234 	if (sbus_bus_map(bt, sa->sa_slot, sa->sa_offset + ZX_OFF_LD_SS0,
    235 	    PAGE_SIZE, BUS_SPACE_MAP_LINEAR, &bh) != 0) {
    236 		aprint_error_dev(self, "can't map ld/ss0\n");
    237 		return;
    238 	}
    239 	sc->sc_bhzdss0 = bh;
    240 
    241 	if (sbus_bus_map(bt, sa->sa_slot, sa->sa_offset + ZX_OFF_LD_SS1,
    242 	    PAGE_SIZE, BUS_SPACE_MAP_LINEAR, &bh) != 0) {
    243 		aprint_error_dev(self, "can't map ld/ss1\n");
    244 		return;
    245 	}
    246 	sc->sc_bhzdss1 = bh;
    247 
    248 	if (sbus_bus_map(bt, sa->sa_slot, sa->sa_offset + ZX_OFF_LX_CROSS,
    249 	    PAGE_SIZE, BUS_SPACE_MAP_LINEAR, &bh) != 0) {
    250 		aprint_error_dev(self, "can't map zx\n");
    251 		return;
    252 	}
    253 	sc->sc_bhzx = bh;
    254 
    255 	if (sbus_bus_map(bt, sa->sa_slot, sa->sa_offset + ZX_OFF_LX_CURSOR,
    256 	    PAGE_SIZE, BUS_SPACE_MAP_LINEAR, &bh) != 0) {
    257 		aprint_error_dev(self, "can't map zcu\n");
    258 		return;
    259 	}
    260 	sc->sc_bhzcu = bh;
    261 
    262 	fb->fb_driver = &zx_fbdriver;
    263 	fb->fb_device = sc->sc_dv;
    264 	fb->fb_flags = device_cfdata(sc->sc_dv)->cf_flags & FB_USERMASK;
    265 	fb->fb_pfour = NULL;
    266 	fb->fb_linebytes = prom_getpropint(sa->sa_node, "linebytes", 8192);
    267 
    268 	width = prom_getpropint(sa->sa_node, "width", 1280);
    269 	height = prom_getpropint(sa->sa_node, "height", 1024);
    270 	fb_setsize_obp(fb, 32, width, height, sa->sa_node);
    271 
    272 	fb->fb_type.fb_cmsize = 256;
    273 	fb->fb_type.fb_depth = 32;
    274 	fb->fb_type.fb_size = fb->fb_type.fb_height * fb->fb_linebytes;
    275 	fb->fb_type.fb_type = FBTYPE_SUNLEO;
    276 
    277 	printf(": %d x %d", fb->fb_type.fb_width, fb->fb_type.fb_height);
    278 	isconsole = fb_is_console(sa->sa_node);
    279 	if (isconsole)
    280 		printf(" (console)");
    281 	printf("\n");
    282 
    283 	if (sa->sa_nintr != 0)
    284 		bus_intr_establish(bt, sa->sa_pri, IPL_NONE, zx_intr, sc);
    285 
    286 	sc->sc_cmap = malloc(768, M_DEVBUF, M_WAITOK);
    287 	zx_reset(sc);
    288 
    289 	sc->sc_width = fb->fb_type.fb_width;
    290 	sc->sc_stride = 8192; /* 32 bit */
    291 	sc->sc_height = fb->fb_type.fb_height;
    292 
    293 	/* setup rasops and so on for wsdisplay */
    294 	wsfont_init();
    295 	sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
    296 	sc->sc_bg = WS_DEFAULT_BG;
    297 
    298 	vcons_init(&sc->vd, sc, &zx_defaultscreen, &zx_accessops);
    299 	sc->vd.init_screen = zx_init_screen;
    300 
    301 	if (isconsole) {
    302 		/* we mess with zx_console_screen only once */
    303 		vcons_init_screen(&sc->vd, &zx_console_screen, 1,
    304 		    &defattr);
    305 		zx_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
    306 
    307 		zx_defaultscreen.textops = &ri->ri_ops;
    308 		zx_defaultscreen.capabilities = WSSCREEN_WSCOLORS;
    309 		zx_defaultscreen.nrows = ri->ri_rows;
    310 		zx_defaultscreen.ncols = ri->ri_cols;
    311 		zx_fillrect(sc, 0, 0, width, height,
    312 		     ri->ri_devcmap[defattr >> 16], ZX_STD_ROP);
    313 		wsdisplay_cnattach(&zx_defaultscreen, ri, 0, 0, defattr);
    314 		vcons_replay_msgbuf(&zx_console_screen);
    315 	} else {
    316 		/*
    317 		 * we're not the console so we just clear the screen and don't
    318 		 * set up any sort of text display
    319 		 */
    320 		if (zx_defaultscreen.textops == NULL) {
    321 			/*
    322 			 * ugly, but...
    323 			 * we want the console settings to win, so we only
    324 			 * touch anything when we find an untouched screen
    325 			 * definition. In this case we fill it from fb to
    326 			 * avoid problems in case no zx is the console
    327 			 */
    328 			zx_defaultscreen.textops = &ri->ri_ops;
    329 			zx_defaultscreen.capabilities = ri->ri_caps;
    330 			zx_defaultscreen.nrows = ri->ri_rows;
    331 			zx_defaultscreen.ncols = ri->ri_cols;
    332 		}
    333 	}
    334 
    335 	aa.scrdata = &zx_screenlist;
    336 	aa.console = isconsole;
    337 	aa.accessops = &zx_accessops;
    338 	aa.accesscookie = &sc->vd;
    339 	config_found(sc->sc_dv, &aa, wsemuldisplaydevprint);
    340 	fb_attach(&sc->sc_fb, isconsole);
    341 }
    342 
    343 static int
    344 zxopen(dev_t dev, int flags, int mode, struct lwp *l)
    345 {
    346 
    347 	if (device_lookup(&zx_cd, minor(dev)) == NULL)
    348 		return (ENXIO);
    349 	return (0);
    350 }
    351 
    352 static int
    353 zxclose(dev_t dev, int flags, int mode, struct lwp *l)
    354 {
    355 	struct zx_softc *sc;
    356 
    357 	sc = device_lookup_private(&zx_cd, minor(dev));
    358 
    359 	zx_reset(sc);
    360 	zx_cursor_blank(sc);
    361 	return (0);
    362 }
    363 
    364 static int
    365 zxioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l)
    366 {
    367 	struct zx_softc *sc;
    368 	struct fbcmap *cm;
    369 	struct fbcursor *cu;
    370 	uint32_t curbits[2][32];
    371 	int rv, v, count, i, error;
    372 
    373 	sc = device_lookup_private(&zx_cd, minor(dev));
    374 
    375 	switch (cmd) {
    376 	case FBIOGTYPE:
    377 		*(struct fbtype *)data = sc->sc_fb.fb_type;
    378 		break;
    379 
    380 	case FBIOGATTR:
    381 #define fba ((struct fbgattr *)data)
    382 		fba->real_type = sc->sc_fb.fb_type.fb_type;
    383 		fba->owner = 0;		/* XXX ??? */
    384 		fba->fbtype = sc->sc_fb.fb_type;
    385 		fba->sattr.flags = 0;
    386 		fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type;
    387 		fba->sattr.dev_specific[0] = -1;
    388 		fba->emu_types[0] = sc->sc_fb.fb_type.fb_type;
    389 		fba->emu_types[1] = -1;
    390 		fba->emu_types[2] = -1;
    391 #undef fba
    392 		break;
    393 
    394 	case FBIOGVIDEO:
    395 		*(int *)data = ((sc->sc_flags & ZX_BLANKED) != 0);
    396 		break;
    397 
    398 	case FBIOSVIDEO:
    399 		if (*(int *)data)
    400 			zx_unblank(sc->sc_dv);
    401 		else
    402 			zx_blank(sc->sc_dv);
    403 		break;
    404 
    405 	case FBIOGETCMAP:
    406 		cm = (struct fbcmap *)data;
    407 		if (cm->index > 256 || cm->count > 256 - cm->index)
    408 			return (EINVAL);
    409 		rv = copyout(sc->sc_cmap + cm->index, cm->red, cm->count);
    410 		if (rv == 0)
    411 			rv = copyout(sc->sc_cmap + 256 + cm->index, cm->green,
    412 			    cm->count);
    413 		if (rv == 0)
    414 			rv = copyout(sc->sc_cmap + 512 + cm->index, cm->blue,
    415 			    cm->count);
    416 		return (rv);
    417 
    418 	case FBIOPUTCMAP:
    419 		cm = (struct fbcmap *)data;
    420 		if (cm->index > 256 || cm->count > 256 - cm->index)
    421 			return (EINVAL);
    422 		rv = copyin(cm->red, sc->sc_cmap + cm->index, cm->count);
    423 		if (rv == 0)
    424 			rv = copyin(cm->green, sc->sc_cmap + 256 + cm->index,
    425 			    cm->count);
    426 		if (rv == 0)
    427 			rv = copyin(cm->blue, sc->sc_cmap + 512 + cm->index,
    428 			    cm->count);
    429 		zx_cmap_put(sc);
    430 		return (rv);
    431 
    432 	case FBIOGCURPOS:
    433 		*(struct fbcurpos *)data = sc->sc_curpos;
    434 		break;
    435 
    436 	case FBIOSCURPOS:
    437 		sc->sc_curpos = *(struct fbcurpos *)data;
    438 		zx_cursor_move(sc);
    439 		break;
    440 
    441 	case FBIOGCURMAX:
    442 		((struct fbcurpos *)data)->x = 32;
    443 		((struct fbcurpos *)data)->y = 32;
    444 		break;
    445 
    446 	case FBIOSCURSOR:
    447 		cu = (struct fbcursor *)data;
    448 		v = cu->set;
    449 
    450 		if ((v & FB_CUR_SETSHAPE) != 0) {
    451 			if ((u_int)cu->size.x > 32 || (u_int)cu->size.y > 32)
    452 				return (EINVAL);
    453 			count = cu->size.y * 4;
    454 			rv = copyin(cu->mask, curbits[0], count);
    455 			if (rv)
    456 				return rv;
    457 			rv = copyin(cu->image, curbits[1], count);
    458 			if (rv)
    459 				return rv;
    460 		}
    461 		if ((v & FB_CUR_SETCUR) != 0) {
    462 			if (cu->enable)
    463 				zx_cursor_unblank(sc);
    464 			else
    465 				zx_cursor_blank(sc);
    466 		}
    467 		if ((v & (FB_CUR_SETPOS | FB_CUR_SETHOT)) != 0) {
    468 			if ((v & FB_CUR_SETPOS) != 0)
    469 				sc->sc_curpos = cu->pos;
    470 			if ((v & FB_CUR_SETHOT) != 0)
    471 				sc->sc_curhot = cu->hot;
    472 			zx_cursor_move(sc);
    473 		}
    474 		if ((v & FB_CUR_SETCMAP) != 0) {
    475 			if (cu->cmap.index > 2 ||
    476 			    cu->cmap.count > 2 - cu->cmap.index)
    477 				return (EINVAL);
    478 
    479 			uint8_t red[2], green[2], blue[2];
    480 			const u_int cnt = cu->cmap.count;
    481 
    482 			if (cnt &&
    483 			    ((error = copyin(cu->cmap.red,   red,   cnt)) ||
    484 			     (error = copyin(cu->cmap.green, green, cnt)) ||
    485 			     (error = copyin(cu->cmap.blue,  blue,  cnt)))) {
    486 				return error;
    487 			}
    488 
    489 			for (i = 0; i < cnt; i++) {
    490 				sc->sc_curcmap[i + cu->cmap.index + 0] =
    491 				    red[i];
    492 				sc->sc_curcmap[i + cu->cmap.index + 2] =
    493 				    green[i];
    494 				sc->sc_curcmap[i + cu->cmap.index + 4] =
    495 				    blue[i];
    496 			}
    497 			zx_cursor_color(sc);
    498 		}
    499 		if ((v & FB_CUR_SETSHAPE) != 0) {
    500 			sc->sc_cursize = cu->size;
    501 			count = cu->size.y * 4;
    502 			memset(sc->sc_curbits, 0, sizeof(sc->sc_curbits));
    503 			memcpy(sc->sc_curbits[0], curbits[0], count);
    504 			memcpy(sc->sc_curbits[1], curbits[1], count);
    505 			zx_cursor_set(sc);
    506 		}
    507 		break;
    508 
    509 	case FBIOGCURSOR:
    510 		cu = (struct fbcursor *)data;
    511 
    512 		cu->set = FB_CUR_SETALL;
    513 		cu->enable = ((sc->sc_flags & ZX_CURSOR) != 0);
    514 		cu->pos = sc->sc_curpos;
    515 		cu->hot = sc->sc_curhot;
    516 		cu->size = sc->sc_cursize;
    517 
    518 		if (cu->image != NULL) {
    519 			count = sc->sc_cursize.y * 4;
    520 			rv = copyout(sc->sc_curbits[1], cu->image, count);
    521 			if (rv)
    522 				return (rv);
    523 			rv = copyout(sc->sc_curbits[0], cu->mask, count);
    524 			if (rv)
    525 				return (rv);
    526 		}
    527 		if (cu->cmap.red != NULL) {
    528 			uint8_t red[2], green[2], blue[2];
    529 			const uint8_t *ccm = sc->sc_curcmap;
    530 			cm = &cu->cmap;
    531 
    532 			if (cm->index > 2 || cm->count > 2 - cm->index)
    533 				return EINVAL;
    534 
    535 			for (i = 0; i < cm->count; i++) {
    536 				red[i] = ccm[i + cm->index + 0];
    537 				green[i] = ccm[i + cm->index + 2];
    538 				blue[i] = ccm[i + cm->index + 4];
    539 			}
    540 
    541 			if ((error = copyout(red, cm->red, cm->count)) ||
    542 			    (error = copyout(green, cm->green, cm->count)) ||
    543 			    (error = copyout(blue, cm->blue, cm->count)))
    544 				return error;
    545 		} else {
    546 			cu->cmap.index = 0;
    547 			cu->cmap.count = 2;
    548 		}
    549 		break;
    550 
    551 	default:
    552 #ifdef DEBUG
    553 		log(LOG_NOTICE, "zxioctl(0x%lx) (%s[%d])\n", cmd,
    554 		    l->l_proc->p_comm, l->l_proc->p_pid);
    555 #endif
    556 		return (ENOTTY);
    557 	}
    558 
    559 	return (0);
    560 }
    561 
    562 static int
    563 zx_intr(void *cookie)
    564 {
    565 
    566 	return (1);
    567 }
    568 
    569 static void
    570 zx_reset(struct zx_softc *sc)
    571 {
    572 	struct fbtype *fbt;
    573 	u_int i;
    574 
    575 	fbt = &sc->sc_fb.fb_type;
    576 
    577 	zx_cross_loadwid(sc, ZX_WID_DBL_8, 0, 0x2c0);
    578 	zx_cross_loadwid(sc, ZX_WID_DBL_8, 1, 0x30);
    579 	zx_cross_loadwid(sc, ZX_WID_DBL_8, 2, 0x20);
    580 	zx_cross_loadwid(sc, ZX_WID_DBL_24, 1, 0x30);
    581 
    582 	i = bus_space_read_4(sc->sc_bt, sc->sc_bhzdss1, zd_misc);
    583 	i |= ZX_SS1_MISC_ENABLE;
    584 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss1, zd_misc, i);
    585 
    586 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_wid, 1);
    587 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_widclip, 0);
    588 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_wmask, 0xffff);
    589 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_vclipmin, 0);
    590 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_vclipmax,
    591 	    (fbt->fb_width - 1) | ((fbt->fb_height - 1) << 16));
    592 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_fg, 0);
    593 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_planemask, 0xffffffff);
    594 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_rop, ZX_STD_ROP);
    595 
    596 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_extent,
    597 	    (fbt->fb_width - 1) | ((fbt->fb_height - 1) << 11));
    598 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_addrspace,
    599 	    ZX_ADDRSPC_FONT_OBGR);
    600 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_fontt, 0);
    601 
    602 	for (i = 0; i < 256; i++) {
    603 		sc->sc_cmap[i] = rasops_cmap[i * 3];
    604 		sc->sc_cmap[i + 256] = rasops_cmap[i * 3 + 1];
    605 		sc->sc_cmap[i + 512] = rasops_cmap[i * 3 + 2];
    606 	}
    607 
    608 	zx_cmap_put(sc);
    609 }
    610 
    611 static int
    612 zx_cross_wait(struct zx_softc *sc)
    613 {
    614 	int i;
    615 
    616 	for (i = 300000; i != 0; i--) {
    617 		if ((bus_space_read_4(sc->sc_bt, sc->sc_bhzx, zx_csr) &
    618 		    ZX_CROSS_CSR_PROGRESS) == 0)
    619 			break;
    620 		DELAY(1);
    621 	}
    622 
    623 	if (i == 0)
    624 		printf("zx_cross_wait: timed out\n");
    625 
    626 	return (i);
    627 }
    628 
    629 static int
    630 zx_cross_loadwid(struct zx_softc *sc, u_int type, u_int index, u_int value)
    631 {
    632 	u_int tmp = 0;
    633 
    634 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_type, ZX_CROSS_TYPE_WID);
    635 
    636 	if (zx_cross_wait(sc))
    637 		return (1);
    638 
    639 	if (type == ZX_WID_DBL_8)
    640 		tmp = (index & 0x0f) + 0x40;
    641 	else if (type == ZX_WID_DBL_24)
    642 		tmp = index & 0x3f;
    643 
    644 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_type, 0x5800 + tmp);
    645 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_value, value);
    646 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_type, ZX_CROSS_TYPE_WID);
    647 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_csr,
    648 	    ZX_CROSS_CSR_UNK | ZX_CROSS_CSR_UNK2);
    649 
    650 	return (0);
    651 }
    652 
    653 static int
    654 zx_cmap_put(struct zx_softc *sc)
    655 {
    656 	const u_char *b;
    657 	u_int i, t;
    658 
    659 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_type, ZX_CROSS_TYPE_CLUT0);
    660 
    661 	zx_cross_wait(sc);
    662 
    663 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_type,
    664 	    ZX_CROSS_TYPE_CLUTDATA);
    665 
    666 	for (i = 0, b = sc->sc_cmap; i < 256; i++) {
    667 		t = b[i];
    668 		t |= b[i + 256] << 8;
    669 		t |= b[i + 512] << 16;
    670 		bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_value, t);
    671 	}
    672 
    673 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_type, ZX_CROSS_TYPE_CLUT0);
    674 	i = bus_space_read_4(sc->sc_bt, sc->sc_bhzx, zx_csr);
    675 	i = i | ZX_CROSS_CSR_UNK | ZX_CROSS_CSR_UNK2;
    676 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_csr, i);
    677 	return (0);
    678 }
    679 
    680 static void
    681 zx_cursor_move(struct zx_softc *sc)
    682 {
    683 	int sx, sy, x, y;
    684 
    685 	x = sc->sc_curpos.x - sc->sc_curhot.x;
    686 	y = sc->sc_curpos.y - sc->sc_curhot.y;
    687 
    688 	if (x < 0) {
    689 		sx = uimin(-x, 32);
    690 		x = 0;
    691 	} else
    692 		sx = 0;
    693 
    694 	if (y < 0) {
    695 		sy = uimin(-y, 32);
    696 		y = 0;
    697 	} else
    698 		sy = 0;
    699 
    700 	if (sx != sc->sc_shiftx || sy != sc->sc_shifty) {
    701 		sc->sc_shiftx = sx;
    702 		sc->sc_shifty = sy;
    703 		zx_cursor_set(sc);
    704 	}
    705 
    706 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_sxy,
    707 	    ((y & 0x7ff) << 11) | (x & 0x7ff));
    708 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc,
    709 	    bus_space_read_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc) | 0x30);
    710 
    711 	/* XXX Necessary? */
    712 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc,
    713 	    bus_space_read_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc) | 0x80);
    714 }
    715 
    716 static void
    717 zx_cursor_set(struct zx_softc *sc)
    718 {
    719 	int i, j, data;
    720 
    721 	if ((sc->sc_flags & ZX_CURSOR) != 0)
    722 		bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc,
    723 		    bus_space_read_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc) &
    724 		    ~0x80);
    725 
    726 	for (j = 0; j < 2; j++) {
    727 		bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_type, 0x20 << j);
    728 
    729 		for (i = sc->sc_shifty; i < 32; i++) {
    730 			data = sc->sc_curbits[j][i];
    731 			bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_data,
    732 			    data >> sc->sc_shiftx);
    733 		}
    734 		for (i = sc->sc_shifty; i != 0; i--)
    735 			bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_data, 0);
    736 	}
    737 
    738 	if ((sc->sc_flags & ZX_CURSOR) != 0)
    739 		bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc,
    740 		    bus_space_read_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc) | 0x80);
    741 }
    742 
    743 static void
    744 zx_cursor_blank(struct zx_softc *sc)
    745 {
    746 
    747 	sc->sc_flags &= ~ZX_CURSOR;
    748 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc,
    749 	    bus_space_read_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc) & ~0x80);
    750 }
    751 
    752 static void
    753 zx_cursor_unblank(struct zx_softc *sc)
    754 {
    755 
    756 	sc->sc_flags |= ZX_CURSOR;
    757 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc,
    758 	    bus_space_read_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc) | 0x80);
    759 }
    760 
    761 static void
    762 zx_cursor_color(struct zx_softc *sc)
    763 {
    764 	uint8_t tmp;
    765 
    766 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_type, 0x50);
    767 
    768 	tmp = sc->sc_curcmap[0] | (sc->sc_curcmap[2] << 8) |
    769 	    (sc->sc_curcmap[4] << 16);
    770 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_data, tmp);
    771 
    772 	tmp = sc->sc_curcmap[1] | (sc->sc_curcmap[3] << 8) |
    773 	    (sc->sc_curcmap[5] << 16);
    774 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_data, tmp);
    775 
    776 	bus_space_write_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc,
    777 	    bus_space_read_4(sc->sc_bt, sc->sc_bhzcu, zcu_misc) | 0x03);
    778 }
    779 
    780 static void
    781 zx_blank(device_t dv)
    782 {
    783 	struct zx_softc *sc;
    784 
    785 	sc = device_private(dv);
    786 
    787 	if ((sc->sc_flags & ZX_BLANKED) != 0)
    788 		return;
    789 	sc->sc_flags |= ZX_BLANKED;
    790 
    791 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_type, ZX_CROSS_TYPE_VIDEO);
    792 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_csr,
    793 	    bus_space_read_4(sc->sc_bt, sc->sc_bhzx, zx_csr) &
    794 	    ~ZX_CROSS_CSR_ENABLE);
    795 }
    796 
    797 static void
    798 zx_unblank(device_t dv)
    799 {
    800 	struct zx_softc *sc;
    801 
    802 	sc = device_private(dv);
    803 
    804 	if ((sc->sc_flags & ZX_BLANKED) == 0)
    805 		return;
    806 	sc->sc_flags &= ~ZX_BLANKED;
    807 
    808 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_type, ZX_CROSS_TYPE_VIDEO);
    809 	bus_space_write_4(sc->sc_bt, sc->sc_bhzx, zx_csr,
    810 	    bus_space_read_4(sc->sc_bt, sc->sc_bhzx, zx_csr) |
    811 	    ZX_CROSS_CSR_ENABLE);
    812 }
    813 
    814 static paddr_t
    815 zxmmap(dev_t dev, off_t off, int prot)
    816 {
    817 	struct zx_softc *sc;
    818 	const struct zx_mmo *mm, *mmmax;
    819 
    820 	sc = device_lookup_private(&zx_cd, minor(dev));
    821 	off = trunc_page(off);
    822 	mm = zx_mmo;
    823 	mmmax = mm + sizeof(zx_mmo) / sizeof(zx_mmo[0]);
    824 
    825 	for (; mm < mmmax; mm++)
    826 		if (off >= mm->mo_va && off < mm->mo_va + mm->mo_size) {
    827 			off = off - mm->mo_va + mm->mo_pa;
    828 			return (bus_space_mmap(sc->sc_bt, sc->sc_paddr,
    829 			    off, prot, BUS_SPACE_MAP_LINEAR));
    830 		}
    831 
    832 	return (-1);
    833 }
    834 
    835 static void
    836 zx_fillrect(struct zx_softc *sc, int x, int y, int w, int h, uint32_t bg,
    837 	    int rop)
    838 {
    839 
    840 
    841 	while ((bus_space_read_4(sc->sc_bt, sc->sc_bhzc, zc_csr) &
    842 	    ZX_CSR_BLT_BUSY) != 0)
    843 		;
    844 
    845 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_rop, rop);
    846 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_fg, bg);
    847 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_extent,
    848 	    (w - 1) | ((h - 1) << 11));
    849 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_fill,
    850 	    x | (y << 11) | 0x80000000);
    851 }
    852 
    853 static void
    854 zx_copyrect(struct zx_softc *sc, int sx, int sy, int dx, int dy, int w,
    855 	    int h)
    856 {
    857 	uint32_t dir;
    858 
    859 	w -= 1;
    860 	h -= 1;
    861 
    862 	if (sy < dy || sx < dx) {
    863 		dir = 0x80000000;
    864 		sx += w;
    865 		sy += h;
    866 		dx += w;
    867 		dy += h;
    868 	} else
    869 		dir = 0;
    870 
    871 	while ((bus_space_read_4(sc->sc_bt, sc->sc_bhzc, zc_csr) &
    872 	    ZX_CSR_BLT_BUSY) != 0)
    873 		;
    874 
    875 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_rop, ZX_STD_ROP);
    876 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_extent,
    877 	    w | (h << 11) | dir);
    878 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_src, sx | (sy << 11));
    879 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_copy, dx | (dy << 11));
    880 }
    881 
    882 static void
    883 zx_do_cursor(void *cookie, int on, int row, int col)
    884 {
    885 	struct rasops_info *ri = cookie;
    886 	struct vcons_screen *scr = ri->ri_hw;
    887 	struct zx_softc *sc = scr->scr_cookie;
    888 	int x, y, wi, he;
    889 
    890 	wi = ri->ri_font->fontwidth;
    891 	he = ri->ri_font->fontheight;
    892 
    893 	if (ri->ri_flg & RI_CURSOR) {
    894 		x = ri->ri_ccol * wi + ri->ri_xorigin;
    895 		y = ri->ri_crow * he + ri->ri_yorigin;
    896 		zx_fillrect(sc, x, y, wi, he, 0xff000000,
    897 		  ZX_ROP_NEW_XOR_OLD | ZX_ATTR_WE_ENABLE | ZX_ATTR_OE_ENABLE |
    898 		  ZX_ATTR_FORCE_WID);
    899 		ri->ri_flg &= ~RI_CURSOR;
    900 	}
    901 
    902 	ri->ri_crow = row;
    903 	ri->ri_ccol = col;
    904 
    905 	if (on)
    906 	{
    907 		x = ri->ri_ccol * wi + ri->ri_xorigin;
    908 		y = ri->ri_crow * he + ri->ri_yorigin;
    909 		zx_fillrect(sc, x, y, wi, he, 0xff000000,
    910 		  ZX_ROP_NEW_XOR_OLD | ZX_ATTR_WE_ENABLE | ZX_ATTR_OE_ENABLE |
    911 		  ZX_ATTR_FORCE_WID);
    912 		ri->ri_flg |= RI_CURSOR;
    913 	}
    914 }
    915 
    916 static void
    917 zx_erasecols(void *cookie, int row, int startcol, int ncols, long attr)
    918 {
    919 	struct rasops_info *ri = cookie;
    920 	struct vcons_screen *scr = ri->ri_hw;
    921 	struct zx_softc *sc = scr->scr_cookie;
    922 	int32_t x, y, width, height, bg;
    923 
    924 	x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
    925 	y = ri->ri_yorigin + ri->ri_font->fontheight * row;
    926 	width = ri->ri_font->fontwidth * ncols;
    927 	height = ri->ri_font->fontheight;
    928 	bg = ((uint32_t)ri->ri_devcmap[(attr >> 16) & 0xff]) << 24;
    929 	zx_fillrect(sc, x, y, width, height, bg, ZX_STD_ROP);
    930 }
    931 
    932 static void
    933 zx_eraserows(void *cookie, int row, int nrows, long attr)
    934 {
    935 	struct rasops_info *ri = cookie;
    936 	struct vcons_screen *scr = ri->ri_hw;
    937 	struct zx_softc *sc = scr->scr_cookie;
    938 	int32_t x, y, width, height, bg;
    939 
    940 	if ((row == 0) && (nrows == ri->ri_rows)) {
    941 		x = y = 0;
    942 		width = ri->ri_width;
    943 		height = ri->ri_height;
    944 	} else {
    945 		x = ri->ri_xorigin;
    946 		y = ri->ri_yorigin + ri->ri_font->fontheight * row;
    947 		width = ri->ri_emuwidth;
    948 		height = ri->ri_font->fontheight * nrows;
    949 	}
    950 	bg = ((uint32_t)ri->ri_devcmap[(attr >> 16) & 0xff]) << 24;
    951 	zx_fillrect(sc, x, y, width, height, bg, ZX_STD_ROP);
    952 }
    953 
    954 static void
    955 zx_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
    956 {
    957 	struct rasops_info *ri = cookie;
    958 	struct vcons_screen *scr = ri->ri_hw;
    959 	struct zx_softc *sc = scr->scr_cookie;
    960 	int32_t x, ys, yd, width, height;
    961 
    962 	x = ri->ri_xorigin;
    963 	ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
    964 	yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
    965 	width = ri->ri_emuwidth;
    966 	height = ri->ri_font->fontheight * nrows;
    967 	zx_copyrect(sc, x, ys, x, yd, width, height);
    968 }
    969 
    970 static void
    971 zx_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
    972 {
    973 	struct rasops_info *ri = cookie;
    974 	struct vcons_screen *scr = ri->ri_hw;
    975 	struct zx_softc *sc = scr->scr_cookie;
    976 	int32_t xs, xd, y, width, height;
    977 
    978 	xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
    979 	xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
    980 	y = ri->ri_yorigin + ri->ri_font->fontheight * row;
    981 	width = ri->ri_font->fontwidth * ncols;
    982 	height = ri->ri_font->fontheight;
    983 	zx_copyrect(sc, xs, y, xd, y, width, height);
    984 }
    985 
    986 static void
    987 zx_putchar(void *cookie, int row, int col, u_int uc, long attr)
    988 {
    989 	struct rasops_info *ri = cookie;
    990 	struct wsdisplay_font *font = PICK_FONT(ri, uc);
    991 	struct vcons_screen *scr = ri->ri_hw;
    992 	struct zx_softc *sc = scr->scr_cookie;
    993 	volatile uint32_t *dp;
    994 	uint8_t *fb;
    995 	int fs, i, ul;
    996 	uint32_t fg, bg;
    997 
    998 	rasops_unpack_attr(attr, &fg, &bg, &ul);
    999 	bg = ((uint32_t)ri->ri_devcmap[bg]) << 24;
   1000 	fg = ((uint32_t)ri->ri_devcmap[fg]) << 24;
   1001 	if (uc == ' ') {
   1002 		int x, y;
   1003 
   1004 		x = ri->ri_xorigin + font->fontwidth * col;
   1005 		y = ri->ri_yorigin + font->fontheight * row;
   1006 		zx_fillrect(sc, x, y, font->fontwidth,
   1007 			    font->fontheight, bg, ZX_STD_ROP);
   1008 		return;
   1009 	}
   1010 
   1011 	dp = (volatile uint32_t *)sc->sc_pixels +
   1012 	    ((row * font->fontheight + ri->ri_yorigin) << 11) +
   1013 	    (col * font->fontwidth + ri->ri_xorigin);
   1014 	fb = (uint8_t *)font->data + (uc - font->firstchar) *
   1015 	    ri->ri_fontscale;
   1016 	fs = font->stride;
   1017 
   1018 	while ((bus_space_read_4(sc->sc_bt, sc->sc_bhzc, zc_csr) &
   1019 	    ZX_CSR_BLT_BUSY) != 0)
   1020 		;
   1021 
   1022 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_rop, ZX_STD_ROP);
   1023 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_fg, fg);
   1024 	bus_space_write_4(sc->sc_bt, sc->sc_bhzdss0, zd_bg, bg);
   1025 	bus_space_write_4(sc->sc_bt, sc->sc_bhzc, zc_fontmsk,
   1026 	    0xffffffff << (32 - font->fontwidth));
   1027 
   1028 	if (font->fontwidth <= 8) {
   1029 		for (i = font->fontheight; i != 0; i--, dp += 2048) {
   1030 			*dp = *fb << 24;
   1031 			fb += fs;
   1032 		}
   1033 	} else {
   1034 		for (i = font->fontheight; i != 0; i--, dp += 2048) {
   1035 			*dp = *((uint16_t *)fb) << 16;
   1036 			fb += fs;
   1037 		}
   1038 	}
   1039 
   1040 	if (ul) {
   1041 		dp -= 4096;
   1042 		*dp = 0xffffffff;
   1043 	}
   1044 }
   1045 
   1046 static int
   1047 zx_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
   1048 	struct lwp *l)
   1049 {
   1050 	/* we'll probably need to add more stuff here */
   1051 	struct vcons_data *vd = v;
   1052 	struct zx_softc *sc = vd->cookie;
   1053 	struct wsdisplay_fbinfo *wdf;
   1054 	struct vcons_screen *ms = sc->vd.active;
   1055 	struct rasops_info *ri = &ms->scr_ri;
   1056 	switch (cmd) {
   1057 		case WSDISPLAYIO_GTYPE:
   1058 			*(u_int *)data = WSDISPLAY_TYPE_SUNTCX;
   1059 			return 0;
   1060 		case WSDISPLAYIO_GINFO:
   1061 			wdf = (void *)data;
   1062 			wdf->height = ri->ri_height;
   1063 			wdf->width = ri->ri_width;
   1064 			wdf->depth = ri->ri_depth;
   1065 			wdf->cmsize = 256;
   1066 			return 0;
   1067 
   1068 		case WSDISPLAYIO_GETCMAP:
   1069 			return zx_getcmap(sc,
   1070 			    (struct wsdisplay_cmap *)data);
   1071 		case WSDISPLAYIO_PUTCMAP:
   1072 			return zx_putcmap(sc,
   1073 			    (struct wsdisplay_cmap *)data);
   1074 
   1075 		case WSDISPLAYIO_SMODE:
   1076 			{
   1077 				int new_mode = *(int*)data;
   1078 				if (new_mode != sc->sc_mode)
   1079 				{
   1080 					sc->sc_mode = new_mode;
   1081 					if(new_mode == WSDISPLAYIO_MODE_EMUL)
   1082 					{
   1083 						zx_reset(sc);
   1084 						vcons_redraw_screen(ms);
   1085 					}
   1086 				}
   1087 			}
   1088 			return 0;
   1089 	}
   1090 	return EPASSTHROUGH;
   1091 }
   1092 
   1093 static paddr_t
   1094 zx_mmap(void *v, void *vs, off_t offset, int prot)
   1095 {
   1096 	/* I'm not at all sure this is the right thing to do */
   1097 	return zxmmap(0, offset, prot); /* assume minor dev 0 for now */
   1098 }
   1099 
   1100 static int
   1101 zx_putcmap(struct zx_softc *sc, struct wsdisplay_cmap *cm)
   1102 {
   1103 	u_int index = cm->index;
   1104 	u_int count = cm->count;
   1105 	int error,i;
   1106 	if (index >= 256 || count > 256 || index + count > 256)
   1107 		return EINVAL;
   1108 
   1109 	for (i = 0; i < count; i++)
   1110 	{
   1111 		error = copyin(&cm->red[i],
   1112 		    &sc->sc_cmap[index + i], 1);
   1113 		if (error)
   1114 			return error;
   1115 		error = copyin(&cm->green[i],
   1116 		    &sc->sc_cmap[index + i + 256], 1);
   1117 		if (error)
   1118 			return error;
   1119 		error = copyin(&cm->blue[i],
   1120 		    &sc->sc_cmap[index + i + 512], 1);
   1121 		if (error)
   1122 			return error;
   1123 	}
   1124 	zx_cmap_put(sc);
   1125 
   1126 	return 0;
   1127 }
   1128 
   1129 static int
   1130 zx_getcmap(struct zx_softc *sc, struct wsdisplay_cmap *cm)
   1131 {
   1132 	u_int index = cm->index;
   1133 	u_int count = cm->count;
   1134 	int error,i;
   1135 
   1136 	if (index >= 256 || count > 256 || index + count > 256)
   1137 		return EINVAL;
   1138 
   1139 	for (i = 0; i < count; i++)
   1140 	{
   1141 		error = copyout(&sc->sc_cmap[index + i],
   1142 		    &cm->red[i], 1);
   1143 		if (error)
   1144 			return error;
   1145 		error = copyout(&sc->sc_cmap[index + i + 256],
   1146 		    &cm->green[i], 1);
   1147 		if (error)
   1148 			return error;
   1149 		error = copyout(&sc->sc_cmap[index + i + 256],
   1150 		    &cm->blue[i], 1);
   1151 		if (error)
   1152 			return error;
   1153 	}
   1154 
   1155 	return 0;
   1156 }
   1157 
   1158 static void
   1159 zx_init_screen(void *cookie, struct vcons_screen *scr,
   1160     int existing, long *defattr)
   1161 {
   1162 	struct zx_softc *sc = cookie;
   1163 	struct rasops_info *ri = &scr->scr_ri;
   1164 
   1165 	ri->ri_depth = 8; /*sc->sc_fb.fb_type.fb_depth = 32;*/
   1166 	ri->ri_width = sc->sc_width;
   1167 	ri->ri_height = sc->sc_height;
   1168 	ri->ri_stride = sc->sc_stride;
   1169 	ri->ri_flg = RI_CENTER;
   1170 
   1171 	ri->ri_bits = (void *)sc->sc_pixels;
   1172 
   1173 	rasops_init(ri, 0, 0);
   1174 	ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_REVERSE;
   1175 	rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
   1176 		    sc->sc_width / ri->ri_font->fontwidth);
   1177 
   1178 	ri->ri_hw = scr;
   1179 
   1180 	ri->ri_ops.cursor = zx_do_cursor;
   1181 	ri->ri_ops.copycols = zx_copycols;
   1182 	ri->ri_ops.copyrows = zx_copyrows;
   1183 	ri->ri_ops.erasecols = zx_erasecols;
   1184 	ri->ri_ops.eraserows = zx_eraserows;
   1185 	ri->ri_ops.putchar = zx_putchar;
   1186 }
   1187