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nextdisplay.c revision 1.13 
      1 /* $NetBSD: nextdisplay.c,v 1.13 2003/07/15 02:59:32 lukem Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1998 Matt DeBergalis
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Matt DeBergalis
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: nextdisplay.c,v 1.13 2003/07/15 02:59:32 lukem Exp $");
     35 
     36 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     37 
     38 #include <sys/param.h>
     39 #include <sys/systm.h>
     40 #include <sys/kernel.h>
     41 #include <sys/device.h>
     42 #include <sys/malloc.h>
     43 
     44 #include <machine/bus.h>
     45 #include <machine/cpu.h>
     46 
     47 #include <next68k/next68k/nextrom.h>
     48 
     49 #include <next68k/dev/intiovar.h>
     50 #include <next68k/dev/nextdisplayvar.h>
     51 #include <dev/wscons/wsconsio.h>
     52 
     53 #include <dev/rcons/raster.h>
     54 #include <dev/wscons/wscons_raster.h>
     55 #include <dev/wscons/wsdisplayvar.h>
     56 
     57 extern int turbo;
     58 
     59 int nextdisplay_match __P((struct device *, struct cfdata *, void *));
     60 void nextdisplay_attach __P((struct device *, struct device *, void *));
     61 
     62 CFATTACH_DECL(nextdisplay, sizeof(struct nextdisplay_softc),
     63     nextdisplay_match, nextdisplay_attach, NULL, NULL);
     64 
     65 const struct wsdisplay_emulops nextdisplay_mono_emulops = {
     66 	rcons_cursor,
     67 	rcons_mapchar,
     68 	rcons_putchar,
     69 	rcons_copycols,
     70 	rcons_erasecols,
     71 	rcons_copyrows,
     72 	rcons_eraserows,
     73 	rcons_allocattr
     74 };
     75 
     76 struct wsscreen_descr nextdisplay_mono = {
     77 	"mono",
     78 	0, 0, /* will be filled in -- XXX shouldn't, it's global */
     79 	&nextdisplay_mono_emulops,
     80 	0, 0
     81 };
     82 
     83 struct wsscreen_descr nextdisplay_color = {
     84         "color",
     85         0, 0, /* again, filled in */
     86         &nextdisplay_mono_emulops,
     87         0, 0
     88 };
     89 
     90 const struct wsscreen_descr *_nextdisplay_scrlist_mono[] = {
     91 	&nextdisplay_mono,
     92 };
     93 
     94 const struct wsscreen_descr *_nextdisplay_scrlist_color[] = {
     95         &nextdisplay_color,
     96 };
     97 
     98 const struct wsscreen_list nextdisplay_screenlist_mono = {
     99 	sizeof(_nextdisplay_scrlist_mono) / sizeof(struct wsscreen_descr *),
    100 	_nextdisplay_scrlist_mono
    101 };
    102 
    103 const struct wsscreen_list nextdisplay_screenlist_color = {
    104 	sizeof(_nextdisplay_scrlist_color) / sizeof(struct wsscreen_descr *),
    105 	_nextdisplay_scrlist_color
    106 };
    107 
    108 static int	nextdisplay_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
    109 static paddr_t	nextdisplay_mmap __P((void *, off_t, int));
    110 static int	nextdisplay_alloc_screen __P((void *, const struct wsscreen_descr *,
    111 		void **, int *, int *, long *));
    112 static void	nextdisplay_free_screen __P((void *, void *));
    113 static int	nextdisplay_show_screen __P((void *, void *, int,
    114 					     void (*) (void *, int, int), void *));
    115 static int	nextdisplay_load_font __P((void *, void *, struct wsdisplay_font *));
    116 
    117 const struct wsdisplay_accessops nextdisplay_accessops = {
    118 	nextdisplay_ioctl,
    119 	nextdisplay_mmap,
    120 	nextdisplay_alloc_screen,
    121 	nextdisplay_free_screen,
    122 	nextdisplay_show_screen,
    123 	nextdisplay_load_font
    124 };
    125 
    126 void nextdisplay_init(struct nextdisplay_config *, int);
    127 
    128 paddr_t nextdisplay_consaddr;
    129 static int nextdisplay_is_console __P((paddr_t addr));
    130 
    131 static struct nextdisplay_config nextdisplay_console_dc;
    132 
    133 static int
    134 nextdisplay_is_console(paddr_t addr)
    135 {
    136 	return (nextdisplay_console_dc.isconsole
    137 			&& (addr == nextdisplay_consaddr));
    138 }
    139 
    140 int
    141 nextdisplay_match(parent, match, aux)
    142 	struct device *parent;
    143 	struct cfdata *match;
    144 	void *aux;
    145 {
    146 	if ((rom_machine_type == NeXT_WARP9)
    147 	    || (rom_machine_type == NeXT_X15)
    148 	    || (rom_machine_type == NeXT_WARP9C)
    149 	    || (rom_machine_type == NeXT_TURBO_MONO)
    150 	    || (rom_machine_type == NeXT_TURBO_COLOR))
    151 		return (1);
    152 	else
    153 		return (0);
    154 }
    155 
    156 void
    157 nextdisplay_init(dc, color)
    158 	struct nextdisplay_config *dc;
    159 	int color;
    160 {
    161 	struct raster *rap;
    162 	struct rcons *rcp;
    163 	paddr_t addr;
    164 	int i;
    165 
    166 	/* printf("in nextdisplay_init\n"); */
    167 
    168 	if (color)
    169 		addr = (paddr_t)colorbase;
    170 	else
    171 		addr = (paddr_t)monobase;
    172 
    173 	dc->dc_vaddr = addr;
    174 	dc->dc_paddr = color ? COLORP(addr) : MONOP(addr);
    175 	dc->dc_size = color ? NEXT_P_C16_VIDEOSIZE : NEXT_P_VIDEOSIZE;
    176 
    177 	dc->dc_wid = 1120;
    178 	dc->dc_ht = 832;
    179 	dc->dc_depth = color ? 16 : 2;
    180 	dc->dc_rowbytes = (turbo ? 1120 : 1152) * dc->dc_depth / 8;
    181 
    182 	dc->dc_videobase = dc->dc_vaddr;
    183 
    184 #if 0
    185 	printf("intiobase at: %08x\n", intiobase);
    186 	printf("intiolimit at: %08x\n", intiolimit);
    187 	printf("videobase at: %08x\n", color ? colorbase : monobase);
    188 	printf("videolimit at: %08x\n", color ? colorlimit : monolimit);
    189 
    190 	printf("virtual fb at: %08x\n", dc->dc_vaddr);
    191 	printf("physical fb at: %08x\n", dc->dc_paddr);
    192 	printf("fb size: %08x\n", dc->dc_size);
    193 
    194 	printf("dc_wid: %08x\n", dc->dc_wid);
    195 	printf("dc_ht: %08x\n", dc->dc_ht);
    196 	printf("dc_depth: %08x\n", dc->dc_depth);
    197 	printf("dc_rowbytes: %08x\n", dc->dc_rowbytes);
    198 	printf("dc_videobase: %08x\n", dc->dc_videobase);
    199 #endif
    200 
    201 	/* clear the screen */
    202 	for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
    203 		*(u_int32_t *)(dc->dc_videobase + i) =
    204 			(color ? 0x0 : 0xffffffff);
    205 
    206 	printf("done clearing\n");
    207 
    208 	rap = &dc->dc_raster;
    209 	rap->width = dc->dc_wid;
    210 	rap->height = dc->dc_ht;
    211 	rap->depth = color ? 16 : 2;
    212 	rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
    213 	rap->pixels = (u_int32_t *)dc->dc_videobase;
    214 
    215 	/* initialize the raster console blitter */
    216 	rcp = &dc->dc_rcons;
    217 	rcp->rc_sp = rap;
    218 	rcp->rc_crow = rcp->rc_ccol = -1;
    219 	rcp->rc_crowp = &rcp->rc_crow;
    220 	rcp->rc_ccolp = &rcp->rc_ccol;
    221 	rcons_init(rcp, 34, 80);
    222 
    223 	if (color) {
    224 		nextdisplay_color.nrows = dc->dc_rcons.rc_maxrow;
    225 		nextdisplay_color.ncols = dc->dc_rcons.rc_maxcol;
    226 	} else {
    227 		nextdisplay_mono.nrows = dc->dc_rcons.rc_maxrow;
    228 		nextdisplay_mono.ncols = dc->dc_rcons.rc_maxcol;
    229 	}
    230 }
    231 
    232 void
    233 nextdisplay_attach(parent, self, aux)
    234 	struct device *parent;
    235 	struct device *self;
    236 	void *aux;
    237 {
    238 	struct nextdisplay_softc *sc;
    239 	struct wsemuldisplaydev_attach_args waa;
    240 	int isconsole;
    241 	int iscolor;
    242 	paddr_t addr;
    243 
    244 	sc = (struct nextdisplay_softc *)self;
    245 
    246 	if ((rom_machine_type == NeXT_WARP9C)
    247 	    || (rom_machine_type == NeXT_TURBO_COLOR)) {
    248 		iscolor = 1;
    249 		addr = (paddr_t)colorbase;
    250 	} else {
    251 		iscolor = 0;
    252 		addr = (paddr_t)monobase;
    253 	}
    254 
    255 	isconsole = nextdisplay_is_console(addr);
    256 
    257 	if (isconsole) {
    258 		sc->sc_dc = &nextdisplay_console_dc;
    259 		sc->nscreens = 1;
    260 	} else {
    261 		sc->sc_dc = (struct nextdisplay_config *)
    262 				malloc(sizeof(struct nextdisplay_config), M_DEVBUF, M_WAITOK);
    263 		nextdisplay_init(sc->sc_dc, iscolor);
    264 	}
    265 
    266 	printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
    267 	       sc->sc_dc->dc_depth);
    268 
    269 	/* initialize the raster */
    270 	waa.console = isconsole;
    271 	waa.scrdata = iscolor ? &nextdisplay_screenlist_color : &nextdisplay_screenlist_mono;
    272 	waa.accessops = &nextdisplay_accessops;
    273 	waa.accesscookie = sc;
    274 #if 0
    275 	printf("nextdisplay: access cookie is %p\n", sc);
    276 #endif
    277 	config_found(self, &waa, wsemuldisplaydevprint);
    278 }
    279 
    280 
    281 int
    282 nextdisplay_ioctl(v, cmd, data, flag, p)
    283 	void *v;
    284 	u_long cmd;
    285 	caddr_t data;
    286 	int flag;
    287 	struct proc *p;
    288 {
    289 	struct nextdisplay_softc *sc = v;
    290 	struct nextdisplay_config *dc = sc->sc_dc;
    291 
    292 	switch (cmd) {
    293 	case WSDISPLAYIO_GTYPE:
    294 		*(int *)data = dc->dc_type;
    295 		return 0;
    296 
    297 	case WSDISPLAYIO_SCURSOR:
    298 		printf("nextdisplay_ioctl: wsdisplayio_scursor\n");
    299 		return EPASSTHROUGH;
    300 
    301 	case WSDISPLAYIO_SCURPOS:
    302 		printf("nextdisplay_ioctl: wsdisplayio_scurpos\n");
    303 		return EPASSTHROUGH;
    304 
    305 	case WSDISPLAYIO_GINFO:
    306 	case WSDISPLAYIO_GETCMAP:
    307 	case WSDISPLAYIO_PUTCMAP:
    308 	case WSDISPLAYIO_GVIDEO:
    309 	case WSDISPLAYIO_SVIDEO:
    310 	case WSDISPLAYIO_GCURPOS:
    311 	case WSDISPLAYIO_GCURMAX:
    312 	case WSDISPLAYIO_GCURSOR:
    313 		printf("nextdisplay_ioctl: listed but unsupported ioctl\n");
    314 		return EPASSTHROUGH;
    315 	}
    316 
    317 	return EPASSTHROUGH;
    318 }
    319 
    320 static paddr_t
    321 nextdisplay_mmap(v, offset, prot)
    322 	void *v;
    323 	off_t offset;
    324 	int prot;
    325 {
    326 
    327 	/* XXX */
    328 	printf("nextdisplay_mmap: failed\n");
    329 	return -1;
    330 }
    331 
    332 int
    333 nextdisplay_alloc_screen(v, type, cookiep, curxp, curyp, defattrp)
    334 	void *v;
    335 	const struct wsscreen_descr *type;
    336 	void **cookiep;
    337 	int *curxp, *curyp;
    338 	long *defattrp;
    339 {
    340 	struct nextdisplay_softc *sc = v;
    341 	long defattr;
    342 
    343 	/* only allow one screen */
    344 	if (sc->nscreens > 0)
    345 		return (ENOMEM);
    346 
    347 	*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
    348 	*curxp = 0;
    349 	*curyp = 0;
    350 	rcons_allocattr(&sc->sc_dc->dc_rcons, 0, 0,
    351 			(strcmp(type->name, "color") == 0)
    352 			? 0
    353 			: WSATTR_REVERSE, &defattr);
    354 	*defattrp = defattr;
    355 	sc->nscreens++;
    356 #if 0
    357 	printf("nextdisplay: allocating screen\n");
    358 #endif
    359 	return (0);
    360 }
    361 
    362 void
    363 nextdisplay_free_screen(v, cookie)
    364 	void *v;
    365 	void *cookie;
    366 {
    367 	struct nextdisplay_softc *sc = v;
    368 
    369 	if (sc->sc_dc == &nextdisplay_console_dc)
    370 		panic("nextdisplay_free_screen: console");
    371 
    372 	sc->nscreens--;
    373 }
    374 
    375 int
    376 nextdisplay_show_screen(v, cookie, waitok, cb, cbarg)
    377 	void *v;
    378 	void *cookie;
    379 	int waitok;
    380 	void (*cb) __P((void *, int, int));
    381 	void *cbarg;
    382 {
    383 
    384 	return (0);
    385 }
    386 
    387 static int
    388 nextdisplay_load_font(v, cookie, font)
    389 	void *v;
    390 	void *cookie;
    391 	struct wsdisplay_font *font;
    392 {
    393 	return (EPASSTHROUGH);
    394 }
    395 
    396 int
    397 nextdisplay_cnattach(void)
    398 {
    399 	struct nextdisplay_config *dc = &nextdisplay_console_dc;
    400 	long defattr;
    401 	int iscolor;
    402 
    403 	if ((rom_machine_type == NeXT_WARP9C)
    404 	    || (rom_machine_type == NeXT_TURBO_COLOR)) {
    405 		iscolor = 1;
    406 		nextdisplay_consaddr = (paddr_t)colorbase;
    407 	} else {
    408 		iscolor = 0;
    409 		nextdisplay_consaddr = (paddr_t)monobase;
    410 	}
    411 
    412 	/* set up the display */
    413 	nextdisplay_init(&nextdisplay_console_dc, iscolor);
    414 
    415 	rcons_allocattr(&dc->dc_rcons, 0, 0,
    416 			iscolor ? 0 : WSATTR_REVERSE, &defattr);
    417 
    418 	wsdisplay_cnattach(iscolor ? &nextdisplay_color : &nextdisplay_mono,
    419 			   &dc->dc_rcons, 0, 0, defattr);
    420 
    421 	dc->isconsole = 1;
    422 	return (0);
    423 }
    424