xref: /netbsd/sys/arch/next68k/dev/nextdisplay.c (revision c4a72b64)
1 /* $NetBSD: nextdisplay.c,v 1.12 2002/10/02 04:22:53 thorpej 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/bus.h>
42 #include <machine/cpu.h>
43 
44 #include <next68k/next68k/nextrom.h>
45 
46 #include <next68k/dev/intiovar.h>
47 #include <next68k/dev/nextdisplayvar.h>
48 #include <dev/wscons/wsconsio.h>
49 
50 #include <dev/rcons/raster.h>
51 #include <dev/wscons/wscons_raster.h>
52 #include <dev/wscons/wsdisplayvar.h>
53 
54 extern int turbo;
55 
56 int nextdisplay_match __P((struct device *, struct cfdata *, void *));
57 void nextdisplay_attach __P((struct device *, struct device *, void *));
58 
59 CFATTACH_DECL(nextdisplay, sizeof(struct nextdisplay_softc),
60     nextdisplay_match, nextdisplay_attach, NULL, NULL);
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_allocattr
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 paddr_t	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 int	nextdisplay_show_screen __P((void *, void *, int,
111 					     void (*) (void *, int, int), void *));
112 static int	nextdisplay_load_font __P((void *, void *, struct wsdisplay_font *));
113 
114 const struct wsdisplay_accessops nextdisplay_accessops = {
115 	nextdisplay_ioctl,
116 	nextdisplay_mmap,
117 	nextdisplay_alloc_screen,
118 	nextdisplay_free_screen,
119 	nextdisplay_show_screen,
120 	nextdisplay_load_font
121 };
122 
123 void nextdisplay_init(struct nextdisplay_config *, int);
124 
125 paddr_t nextdisplay_consaddr;
126 static int nextdisplay_is_console __P((paddr_t addr));
127 
128 static struct nextdisplay_config nextdisplay_console_dc;
129 
130 static int
131 nextdisplay_is_console(paddr_t addr)
132 {
133 	return (nextdisplay_console_dc.isconsole
134 			&& (addr == nextdisplay_consaddr));
135 }
136 
137 int
138 nextdisplay_match(parent, match, aux)
139 	struct device *parent;
140 	struct cfdata *match;
141 	void *aux;
142 {
143 	if ((rom_machine_type == NeXT_WARP9)
144 	    || (rom_machine_type == NeXT_X15)
145 	    || (rom_machine_type == NeXT_WARP9C)
146 	    || (rom_machine_type == NeXT_TURBO_MONO)
147 	    || (rom_machine_type == NeXT_TURBO_COLOR))
148 		return (1);
149 	else
150 		return (0);
151 }
152 
153 void
154 nextdisplay_init(dc, color)
155 	struct nextdisplay_config *dc;
156 	int color;
157 {
158 	struct raster *rap;
159 	struct rcons *rcp;
160 	paddr_t addr;
161 	int i;
162 
163 	/* printf("in nextdisplay_init\n"); */
164 
165 	if (color)
166 		addr = (paddr_t)colorbase;
167 	else
168 		addr = (paddr_t)monobase;
169 
170 	dc->dc_vaddr = addr;
171 	dc->dc_paddr = color ? COLORP(addr) : MONOP(addr);
172 	dc->dc_size = color ? NEXT_P_C16_VIDEOSIZE : NEXT_P_VIDEOSIZE;
173 
174 	dc->dc_wid = 1120;
175 	dc->dc_ht = 832;
176 	dc->dc_depth = color ? 16 : 2;
177 	dc->dc_rowbytes = (turbo ? 1120 : 1152) * dc->dc_depth / 8;
178 
179 	dc->dc_videobase = dc->dc_vaddr;
180 
181 #if 0
182 	printf("intiobase at: %08x\n", intiobase);
183 	printf("intiolimit at: %08x\n", intiolimit);
184 	printf("videobase at: %08x\n", color ? colorbase : monobase);
185 	printf("videolimit at: %08x\n", color ? colorlimit : monolimit);
186 
187 	printf("virtual fb at: %08x\n", dc->dc_vaddr);
188 	printf("physical fb at: %08x\n", dc->dc_paddr);
189 	printf("fb size: %08x\n", dc->dc_size);
190 
191 	printf("dc_wid: %08x\n", dc->dc_wid);
192 	printf("dc_ht: %08x\n", dc->dc_ht);
193 	printf("dc_depth: %08x\n", dc->dc_depth);
194 	printf("dc_rowbytes: %08x\n", dc->dc_rowbytes);
195 	printf("dc_videobase: %08x\n", dc->dc_videobase);
196 #endif
197 
198 	/* clear the screen */
199 	for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
200 		*(u_int32_t *)(dc->dc_videobase + i) =
201 			(color ? 0x0 : 0xffffffff);
202 
203 	printf("done clearing\n");
204 
205 	rap = &dc->dc_raster;
206 	rap->width = dc->dc_wid;
207 	rap->height = dc->dc_ht;
208 	rap->depth = color ? 16 : 2;
209 	rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
210 	rap->pixels = (u_int32_t *)dc->dc_videobase;
211 
212 	/* initialize the raster console blitter */
213 	rcp = &dc->dc_rcons;
214 	rcp->rc_sp = rap;
215 	rcp->rc_crow = rcp->rc_ccol = -1;
216 	rcp->rc_crowp = &rcp->rc_crow;
217 	rcp->rc_ccolp = &rcp->rc_ccol;
218 	rcons_init(rcp, 34, 80);
219 
220 	if (color) {
221 		nextdisplay_color.nrows = dc->dc_rcons.rc_maxrow;
222 		nextdisplay_color.ncols = dc->dc_rcons.rc_maxcol;
223 	} else {
224 		nextdisplay_mono.nrows = dc->dc_rcons.rc_maxrow;
225 		nextdisplay_mono.ncols = dc->dc_rcons.rc_maxcol;
226 	}
227 }
228 
229 void
230 nextdisplay_attach(parent, self, aux)
231 	struct device *parent;
232 	struct device *self;
233 	void *aux;
234 {
235 	struct nextdisplay_softc *sc;
236 	struct wsemuldisplaydev_attach_args waa;
237 	int isconsole;
238 	int iscolor;
239 	paddr_t addr;
240 
241 	sc = (struct nextdisplay_softc *)self;
242 
243 	if ((rom_machine_type == NeXT_WARP9C)
244 	    || (rom_machine_type == NeXT_TURBO_COLOR)) {
245 		iscolor = 1;
246 		addr = (paddr_t)colorbase;
247 	} else {
248 		iscolor = 0;
249 		addr = (paddr_t)monobase;
250 	}
251 
252 	isconsole = nextdisplay_is_console(addr);
253 
254 	if (isconsole) {
255 		sc->sc_dc = &nextdisplay_console_dc;
256 		sc->nscreens = 1;
257 	} else {
258 		sc->sc_dc = (struct nextdisplay_config *)
259 				malloc(sizeof(struct nextdisplay_config), M_DEVBUF, M_WAITOK);
260 		nextdisplay_init(sc->sc_dc, iscolor);
261 	}
262 
263 	printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
264 	       sc->sc_dc->dc_depth);
265 
266 	/* initialize the raster */
267 	waa.console = isconsole;
268 	waa.scrdata = iscolor ? &nextdisplay_screenlist_color : &nextdisplay_screenlist_mono;
269 	waa.accessops = &nextdisplay_accessops;
270 	waa.accesscookie = sc;
271 #if 0
272 	printf("nextdisplay: access cookie is %p\n", sc);
273 #endif
274 	config_found(self, &waa, wsemuldisplaydevprint);
275 }
276 
277 
278 int
279 nextdisplay_ioctl(v, cmd, data, flag, p)
280 	void *v;
281 	u_long cmd;
282 	caddr_t data;
283 	int flag;
284 	struct proc *p;
285 {
286 	struct nextdisplay_softc *sc = v;
287 	struct nextdisplay_config *dc = sc->sc_dc;
288 
289 	switch (cmd) {
290 	case WSDISPLAYIO_GTYPE:
291 		*(int *)data = dc->dc_type;
292 		return 0;
293 
294 	case WSDISPLAYIO_SCURSOR:
295 		printf("nextdisplay_ioctl: wsdisplayio_scursor\n");
296 		return EPASSTHROUGH;
297 
298 	case WSDISPLAYIO_SCURPOS:
299 		printf("nextdisplay_ioctl: wsdisplayio_scurpos\n");
300 		return EPASSTHROUGH;
301 
302 	case WSDISPLAYIO_GINFO:
303 	case WSDISPLAYIO_GETCMAP:
304 	case WSDISPLAYIO_PUTCMAP:
305 	case WSDISPLAYIO_GVIDEO:
306 	case WSDISPLAYIO_SVIDEO:
307 	case WSDISPLAYIO_GCURPOS:
308 	case WSDISPLAYIO_GCURMAX:
309 	case WSDISPLAYIO_GCURSOR:
310 		printf("nextdisplay_ioctl: listed but unsupported ioctl\n");
311 		return EPASSTHROUGH;
312 	}
313 
314 	return EPASSTHROUGH;
315 }
316 
317 static paddr_t
318 nextdisplay_mmap(v, offset, prot)
319 	void *v;
320 	off_t offset;
321 	int prot;
322 {
323 
324 	/* XXX */
325 	printf("nextdisplay_mmap: failed\n");
326 	return -1;
327 }
328 
329 int
330 nextdisplay_alloc_screen(v, type, cookiep, curxp, curyp, defattrp)
331 	void *v;
332 	const struct wsscreen_descr *type;
333 	void **cookiep;
334 	int *curxp, *curyp;
335 	long *defattrp;
336 {
337 	struct nextdisplay_softc *sc = v;
338 	long defattr;
339 
340 	/* only allow one screen */
341 	if (sc->nscreens > 0)
342 		return (ENOMEM);
343 
344 	*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
345 	*curxp = 0;
346 	*curyp = 0;
347 	rcons_allocattr(&sc->sc_dc->dc_rcons, 0, 0,
348 			(strcmp(type->name, "color") == 0)
349 			? 0
350 			: WSATTR_REVERSE, &defattr);
351 	*defattrp = defattr;
352 	sc->nscreens++;
353 #if 0
354 	printf("nextdisplay: allocating screen\n");
355 #endif
356 	return (0);
357 }
358 
359 void
360 nextdisplay_free_screen(v, cookie)
361 	void *v;
362 	void *cookie;
363 {
364 	struct nextdisplay_softc *sc = v;
365 
366 	if (sc->sc_dc == &nextdisplay_console_dc)
367 		panic("nextdisplay_free_screen: console");
368 
369 	sc->nscreens--;
370 }
371 
372 int
373 nextdisplay_show_screen(v, cookie, waitok, cb, cbarg)
374 	void *v;
375 	void *cookie;
376 	int waitok;
377 	void (*cb) __P((void *, int, int));
378 	void *cbarg;
379 {
380 
381 	return (0);
382 }
383 
384 static int
385 nextdisplay_load_font(v, cookie, font)
386 	void *v;
387 	void *cookie;
388 	struct wsdisplay_font *font;
389 {
390 	return (EPASSTHROUGH);
391 }
392 
393 int
394 nextdisplay_cnattach(void)
395 {
396 	struct nextdisplay_config *dc = &nextdisplay_console_dc;
397 	long defattr;
398 	int iscolor;
399 
400 	if ((rom_machine_type == NeXT_WARP9C)
401 	    || (rom_machine_type == NeXT_TURBO_COLOR)) {
402 		iscolor = 1;
403 		nextdisplay_consaddr = (paddr_t)colorbase;
404 	} else {
405 		iscolor = 0;
406 		nextdisplay_consaddr = (paddr_t)monobase;
407 	}
408 
409 	/* set up the display */
410 	nextdisplay_init(&nextdisplay_console_dc, iscolor);
411 
412 	rcons_allocattr(&dc->dc_rcons, 0, 0,
413 			iscolor ? 0 : WSATTR_REVERSE, &defattr);
414 
415 	wsdisplay_cnattach(iscolor ? &nextdisplay_color : &nextdisplay_mono,
416 			   &dc->dc_rcons, 0, 0, defattr);
417 
418 	dc->isconsole = 1;
419 	return (0);
420 }
421