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nextdisplay.c revision 1.2 
      1 /* $NetBSD: nextdisplay.c,v 1.2 1999/03/24 23:15:52 dbj 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>			/* RCS ID & Copyright macro defns */
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/kernel.h>
     38 #include <sys/device.h>
     39 #include <sys/malloc.h>
     40 
     41 #include <machine/cpu.h>
     42 #include <machine/bus.h>
     43 
     44 #include <next68k/next68k/nextrom.h>
     45 
     46 #include <next68k/dev/nextdisplayvar.h>
     47 #include <dev/wscons/wsconsio.h>
     48 
     49 #include <dev/rcons/raster.h>
     50 #include <dev/wscons/wscons_raster.h>
     51 #include <dev/wscons/wsdisplayvar.h>
     52 
     53 int nextdisplay_match __P((struct device *, struct cfdata *, void *));
     54 void nextdisplay_attach __P((struct device *, struct device *, void *));
     55 
     56 struct cfattach nextdisplay_ca = {
     57 	sizeof(struct nextdisplay_softc),
     58 	nextdisplay_match,
     59 	nextdisplay_attach,
     60 };
     61 
     62 const struct wsdisplay_emulops nextdisplay_mono_emulops = {
     63 	rcons_cursor,
     64 	rcons_mapchar,
     65 	rcons_putchar,
     66 	rcons_copycols,
     67 	rcons_erasecols,
     68 	rcons_copyrows,
     69 	rcons_eraserows,
     70 	rcons_alloc_attr
     71 };
     72 
     73 struct wsscreen_descr nextdisplay_mono = {
     74 	"mono",
     75 	0, 0, /* will be filled in -- XXX shouldn't, it's global */
     76 	&nextdisplay_mono_emulops,
     77 	0, 0
     78 };
     79 
     80 struct wsscreen_descr nextdisplay_color = {
     81         "color",
     82         0, 0, /* again, filled in */
     83         &nextdisplay_mono_emulops,
     84         0, 0
     85 };
     86 
     87 const struct wsscreen_descr *_nextdisplay_scrlist_mono[] = {
     88 	&nextdisplay_mono,
     89 };
     90 
     91 const struct wsscreen_descr *_nextdisplay_scrlist_color[] = {
     92         &nextdisplay_color,
     93 };
     94 
     95 const struct wsscreen_list nextdisplay_screenlist_mono = {
     96 	sizeof(_nextdisplay_scrlist_mono) / sizeof(struct wsscreen_descr *),
     97 	_nextdisplay_scrlist_mono
     98 };
     99 
    100 const struct wsscreen_list nextdisplay_screenlist_color = {
    101 	sizeof(_nextdisplay_scrlist_color) / sizeof(struct wsscreen_descr *),
    102 	_nextdisplay_scrlist_color
    103 };
    104 
    105 static int	nextdisplay_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
    106 static int	nextdisplay_mmap __P((void *, off_t, int));
    107 static int	nextdisplay_alloc_screen __P((void *, const struct wsscreen_descr *,
    108 		void **, int *, int *, long *));
    109 static void	nextdisplay_free_screen __P((void *, void *));
    110 static void	nextdisplay_show_screen __P((void *, void *));
    111 static int	nextdisplay_load_font __P((void *, void *, struct wsdisplay_font *));
    112 
    113 const struct wsdisplay_accessops nextdisplay_accessops = {
    114 	nextdisplay_ioctl,
    115 	nextdisplay_mmap,
    116 	nextdisplay_alloc_screen,
    117 	nextdisplay_free_screen,
    118 	nextdisplay_show_screen,
    119 	nextdisplay_load_font
    120 };
    121 
    122 void nextdisplay_init(struct nextdisplay_config *, int);
    123 
    124 paddr_t nextdisplay_consaddr;
    125 static int nextdisplay_is_console __P((paddr_t addr));
    126 
    127 static struct nextdisplay_config nextdisplay_console_dc;
    128 
    129 static int
    130 nextdisplay_is_console(paddr_t addr)
    131 {
    132 	return (nextdisplay_console_dc.isconsole
    133 			&& (addr == nextdisplay_consaddr));
    134 }
    135 
    136 int
    137 nextdisplay_match(parent, match, aux)
    138 	struct device *parent;
    139 	struct cfdata *match;
    140 	void *aux;
    141 {
    142 	if ((rom_machine_type == NeXT_WARP9)
    143 	    || (rom_machine_type == NeXT_X15))
    144 		return (1);
    145 	else
    146 		return (0);
    147 }
    148 
    149 void
    150 nextdisplay_init(dc, color)
    151 	struct nextdisplay_config *dc;
    152 	int color;
    153 {
    154 	struct raster *rap;
    155 	struct rcons *rcp;
    156 	paddr_t addr;
    157 	int i;
    158 
    159 	/* printf("in nextdisplay_init\n"); */
    160 
    161 	if (color)
    162 		addr = (paddr_t)colorbase;
    163 	else
    164 		addr = (paddr_t)monobase;
    165 
    166 	dc->dc_vaddr = addr;
    167 	dc->dc_paddr = color ? COLORP(addr) : MONOP(addr);
    168 	dc->dc_size = color ? NEXT_P_C16_VIDEOSIZE : NEXT_P_VIDEOSIZE;
    169 
    170 	dc->dc_wid = 1152; /* XXX color */
    171 	dc->dc_ht = 832; /* XXX color */
    172 	dc->dc_depth = color ? 8 : 2;
    173 	dc->dc_rowbytes = dc->dc_wid * dc->dc_depth / 8;
    174 
    175 	dc->dc_videobase = dc->dc_vaddr;
    176 
    177 #if 0
    178 	printf("intiobase at: %08x\n", intiobase);
    179 	printf("intiolimit at: %08x\n", intiolimit);
    180 	printf("videobase at: %08x\n", color ? colorbase : monobase);
    181 	printf("videolimit at: %08x\n", color ? colorlimit : monolimit);
    182 
    183 	printf("virtual fb at: %08x\n", dc->dc_vaddr);
    184 	printf("physical fb at: %08x\n", dc->dc_paddr);
    185 	printf("fb size: %08x\n", dc->dc_size);
    186 
    187 	printf("dc_wid: %08x\n", dc->dc_wid);
    188 	printf("dc_ht: %08x\n", dc->dc_ht);
    189 	printf("dc_depth: %08x\n", dc->dc_depth);
    190 	printf("dc_rowbytes: %08x\n", dc->dc_rowbytes);
    191 	printf("dc_videobase: %08x\n", dc->dc_videobase);
    192 #endif
    193 
    194 	/* clear the screen */
    195 	for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
    196 		*(u_int32_t *)(dc->dc_videobase + i) = 0xffffffff;
    197 
    198 	rap = &dc->dc_raster;
    199 	rap->width = dc->dc_wid;
    200 	rap->height = dc->dc_ht;
    201 	rap->depth = color ? 8 : 2;
    202 	rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
    203 	rap->pixels = (u_int32_t *)dc->dc_videobase;
    204 
    205 	/* initialize the raster console blitter */
    206 	rcp = &dc->dc_rcons;
    207 	rcp->rc_sp = rap;
    208 	rcp->rc_crow = rcp->rc_ccol = -1;
    209 	rcp->rc_crowp = &rcp->rc_crow;
    210 	rcp->rc_ccolp = &rcp->rc_ccol;
    211 	rcons_init(rcp, 34, 80);
    212 
    213 	if (color) {
    214 		nextdisplay_color.nrows = dc->dc_rcons.rc_maxrow;
    215 		nextdisplay_color.ncols = dc->dc_rcons.rc_maxcol;
    216 	} else {
    217 		nextdisplay_mono.nrows = dc->dc_rcons.rc_maxrow;
    218 		nextdisplay_mono.ncols = dc->dc_rcons.rc_maxcol;
    219 	}
    220 }
    221 
    222 void
    223 nextdisplay_attach(parent, self, aux)
    224 	struct device *parent;
    225 	struct device *self;
    226 	void *aux;
    227 {
    228 	struct nextdisplay_softc *sc;
    229 	struct wsemuldisplaydev_attach_args waa;
    230 	int isconsole;
    231 	int iscolor;
    232 	paddr_t addr;
    233 
    234 	sc = (struct nextdisplay_softc *)self;
    235 
    236 	if (rom_machine_type == NeXT_WARP9C) {
    237 		iscolor = 1;
    238 		addr = (paddr_t)colorbase;
    239 	} else {
    240 		iscolor = 0;
    241 		addr = (paddr_t)monobase;
    242 	}
    243 
    244 	isconsole = nextdisplay_is_console(addr);
    245 
    246 	if (isconsole) {
    247 		sc->sc_dc = &nextdisplay_console_dc;
    248 		sc->nscreens = 1;
    249 	} else {
    250 		sc->sc_dc = (struct nextdisplay_config *)
    251 				malloc(sizeof(struct nextdisplay_config), M_DEVBUF, M_WAITOK);
    252 		nextdisplay_init(sc->sc_dc, iscolor);
    253 	}
    254 
    255 	printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
    256 	       sc->sc_dc->dc_depth);
    257 
    258 	/* initialize the raster */
    259 	waa.console = isconsole;
    260 	waa.scrdata = iscolor ? &nextdisplay_screenlist_color : &nextdisplay_screenlist_mono;
    261 	waa.accessops = &nextdisplay_accessops;
    262 	waa.accesscookie = sc;
    263 #if 0
    264 	printf("nextdisplay: access cookie is %p\n", sc);
    265 #endif
    266 	config_found(self, &waa, wsemuldisplaydevprint);
    267 }
    268 
    269 
    270 int
    271 nextdisplay_ioctl(v, cmd, data, flag, p)
    272 	void *v;
    273 	u_long cmd;
    274 	caddr_t data;
    275 	int flag;
    276 	struct proc *p;
    277 {
    278 	struct nextdisplay_softc *sc = v;
    279 	struct nextdisplay_config *dc = sc->sc_dc;
    280 
    281 	switch (cmd) {
    282 	case WSDISPLAYIO_GTYPE:
    283 		*(int *)data = dc->dc_type;
    284 		return 0;
    285 
    286 	case WSDISPLAYIO_SCURSOR:
    287 		printf("nextdisplay_ioctl: wsdisplayio_scursor\n");
    288 		return ENOTTY;
    289 
    290 	case WSDISPLAYIO_SCURPOS:
    291 		printf("nextdisplay_ioctl: wsdisplayio_scurpos\n");
    292 		return ENOTTY;
    293 
    294 	case WSDISPLAYIO_GINFO:
    295 	case WSDISPLAYIO_GETCMAP:
    296 	case WSDISPLAYIO_PUTCMAP:
    297 	case WSDISPLAYIO_GVIDEO:
    298 	case WSDISPLAYIO_SVIDEO:
    299 	case WSDISPLAYIO_GCURPOS:
    300 	case WSDISPLAYIO_GCURMAX:
    301 	case WSDISPLAYIO_GCURSOR:
    302 		printf("nextdisplay_ioctl: listed but unsupported ioctl\n");
    303 		return ENOTTY;
    304 	}
    305 
    306 	return ENOTTY;
    307 }
    308 
    309 static int
    310 nextdisplay_mmap(v, offset, prot)
    311 	void *v;
    312 	off_t offset;
    313 	int prot;
    314 {
    315 
    316 	/* XXX */
    317 	printf("nextdisplay_mmap: failed\n");
    318 	return -1;
    319 }
    320 
    321 int
    322 nextdisplay_alloc_screen(v, type, cookiep, curxp, curyp, defattrp)
    323 	void *v;
    324 	const struct wsscreen_descr *type;
    325 	void **cookiep;
    326 	int *curxp, *curyp;
    327 	long *defattrp;
    328 {
    329 	struct nextdisplay_softc *sc = v;
    330 	long defattr;
    331 
    332 	/* only allow one screen */
    333 	if (sc->nscreens > 0)
    334 		return (ENOMEM);
    335 
    336 	*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
    337 	*curxp = 0;
    338 	*curyp = 0;
    339 	rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0,
    340 			 WSATTR_REVERSE, &defattr);
    341 	*defattrp = defattr;
    342 	sc->nscreens++;
    343 #if 0
    344 	printf("nextdisplay: allocating screen\n");
    345 #endif
    346 	return (0);
    347 }
    348 
    349 void
    350 nextdisplay_free_screen(v, cookie)
    351 	void *v;
    352 	void *cookie;
    353 {
    354 	struct nextdisplay_softc *sc = v;
    355 
    356 	if (sc->sc_dc == &nextdisplay_console_dc)
    357 		panic("nextdisplay_free_screen: console");
    358 
    359 	sc->nscreens--;
    360 }
    361 
    362 void
    363 nextdisplay_show_screen(v, cookie)
    364 	void *v;
    365 	void *cookie;
    366 {
    367 }
    368 
    369 static int
    370 nextdisplay_load_font(v, cookie, font)
    371 	void *v;
    372 	void *cookie;
    373 	struct wsdisplay_font *font;
    374 {
    375 	return (EINVAL);
    376 }
    377 
    378 int
    379 nextdisplay_cnattach(void)
    380 {
    381 	struct nextdisplay_config *dc = &nextdisplay_console_dc;
    382 	long defattr;
    383 	int iscolor;
    384 
    385 	if (rom_machine_type == NeXT_WARP9C) {
    386 		iscolor = 1;
    387 		nextdisplay_consaddr = (paddr_t)colorbase;
    388 	} else {
    389 		iscolor = 0;
    390 		nextdisplay_consaddr = (paddr_t)monobase;
    391 	}
    392 
    393 	/* set up the display */
    394 	nextdisplay_init(&nextdisplay_console_dc, iscolor);
    395 
    396 	rcons_alloc_attr(&dc->dc_rcons, 0, 0, WSATTR_REVERSE, &defattr);
    397 
    398 	wsdisplay_cnattach(iscolor ? &nextdisplay_color : &nextdisplay_mono,
    399 			   &dc->dc_rcons, 0, 0, defattr);
    400 
    401 	dc->isconsole = 1;
    402 	return (0);
    403 }
    404