xref: /netbsd/sys/arch/next68k/dev/nextdisplay.c (revision bf9ec67e)
1 /* $NetBSD: nextdisplay.c,v 1.7 2002/03/17 19:40:46 atatat 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 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_COLOR))
147 		return (1);
148 	else
149 		return (0);
150 }
151 
152 void
153 nextdisplay_init(dc, color)
154 	struct nextdisplay_config *dc;
155 	int color;
156 {
157 	struct raster *rap;
158 	struct rcons *rcp;
159 	paddr_t addr;
160 	int i;
161 
162 	/* printf("in nextdisplay_init\n"); */
163 
164 	if (color)
165 		addr = (paddr_t)colorbase;
166 	else
167 		addr = (paddr_t)monobase;
168 
169 	dc->dc_vaddr = addr;
170 	dc->dc_paddr = color ? COLORP(addr) : MONOP(addr);
171 	dc->dc_size = color ? NEXT_P_C16_VIDEOSIZE : NEXT_P_VIDEOSIZE;
172 
173 	dc->dc_wid = color ? 1152 : 1152;
174 	dc->dc_ht = color ? 832 : 832;
175 	dc->dc_depth = color ? 16 : 2;
176 	dc->dc_rowbytes = dc->dc_wid * dc->dc_depth / 8;
177 
178 	dc->dc_videobase = dc->dc_vaddr;
179 
180 #if 0
181 	printf("intiobase at: %08x\n", intiobase);
182 	printf("intiolimit at: %08x\n", intiolimit);
183 	printf("videobase at: %08x\n", color ? colorbase : monobase);
184 	printf("videolimit at: %08x\n", color ? colorlimit : monolimit);
185 
186 	printf("virtual fb at: %08x\n", dc->dc_vaddr);
187 	printf("physical fb at: %08x\n", dc->dc_paddr);
188 	printf("fb size: %08x\n", dc->dc_size);
189 
190 	printf("dc_wid: %08x\n", dc->dc_wid);
191 	printf("dc_ht: %08x\n", dc->dc_ht);
192 	printf("dc_depth: %08x\n", dc->dc_depth);
193 	printf("dc_rowbytes: %08x\n", dc->dc_rowbytes);
194 	printf("dc_videobase: %08x\n", dc->dc_videobase);
195 #endif
196 
197 	/* clear the screen */
198 	for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
199 		*(u_int32_t *)(dc->dc_videobase + i) =
200 			(color ? 0x0 : 0xffffffff);
201 
202 	printf("done clearing\n");
203 
204 	rap = &dc->dc_raster;
205 	rap->width = dc->dc_wid;
206 	rap->height = dc->dc_ht;
207 	rap->depth = color ? 16 : 2;
208 	rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
209 	rap->pixels = (u_int32_t *)dc->dc_videobase;
210 
211 	/* initialize the raster console blitter */
212 	rcp = &dc->dc_rcons;
213 	rcp->rc_sp = rap;
214 	rcp->rc_crow = rcp->rc_ccol = -1;
215 	rcp->rc_crowp = &rcp->rc_crow;
216 	rcp->rc_ccolp = &rcp->rc_ccol;
217 	rcons_init(rcp, 34, 80);
218 
219 	if (color) {
220 		nextdisplay_color.nrows = dc->dc_rcons.rc_maxrow;
221 		nextdisplay_color.ncols = dc->dc_rcons.rc_maxcol;
222 	} else {
223 		nextdisplay_mono.nrows = dc->dc_rcons.rc_maxrow;
224 		nextdisplay_mono.ncols = dc->dc_rcons.rc_maxcol;
225 	}
226 }
227 
228 void
229 nextdisplay_attach(parent, self, aux)
230 	struct device *parent;
231 	struct device *self;
232 	void *aux;
233 {
234 	struct nextdisplay_softc *sc;
235 	struct wsemuldisplaydev_attach_args waa;
236 	int isconsole;
237 	int iscolor;
238 	paddr_t addr;
239 
240 	sc = (struct nextdisplay_softc *)self;
241 
242 	if ((rom_machine_type == NeXT_WARP9C)
243 	    || (rom_machine_type == NeXT_TURBO_COLOR)) {
244 		iscolor = 1;
245 		addr = (paddr_t)colorbase;
246 	} else {
247 		iscolor = 0;
248 		addr = (paddr_t)monobase;
249 	}
250 
251 	isconsole = nextdisplay_is_console(addr);
252 
253 	if (isconsole) {
254 		sc->sc_dc = &nextdisplay_console_dc;
255 		sc->nscreens = 1;
256 	} else {
257 		sc->sc_dc = (struct nextdisplay_config *)
258 				malloc(sizeof(struct nextdisplay_config), M_DEVBUF, M_WAITOK);
259 		nextdisplay_init(sc->sc_dc, iscolor);
260 	}
261 
262 	printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
263 	       sc->sc_dc->dc_depth);
264 
265 	/* initialize the raster */
266 	waa.console = isconsole;
267 	waa.scrdata = iscolor ? &nextdisplay_screenlist_color : &nextdisplay_screenlist_mono;
268 	waa.accessops = &nextdisplay_accessops;
269 	waa.accesscookie = sc;
270 #if 0
271 	printf("nextdisplay: access cookie is %p\n", sc);
272 #endif
273 	config_found(self, &waa, wsemuldisplaydevprint);
274 }
275 
276 
277 int
278 nextdisplay_ioctl(v, cmd, data, flag, p)
279 	void *v;
280 	u_long cmd;
281 	caddr_t data;
282 	int flag;
283 	struct proc *p;
284 {
285 	struct nextdisplay_softc *sc = v;
286 	struct nextdisplay_config *dc = sc->sc_dc;
287 
288 	switch (cmd) {
289 	case WSDISPLAYIO_GTYPE:
290 		*(int *)data = dc->dc_type;
291 		return 0;
292 
293 	case WSDISPLAYIO_SCURSOR:
294 		printf("nextdisplay_ioctl: wsdisplayio_scursor\n");
295 		return EPASSTHROUGH;
296 
297 	case WSDISPLAYIO_SCURPOS:
298 		printf("nextdisplay_ioctl: wsdisplayio_scurpos\n");
299 		return EPASSTHROUGH;
300 
301 	case WSDISPLAYIO_GINFO:
302 	case WSDISPLAYIO_GETCMAP:
303 	case WSDISPLAYIO_PUTCMAP:
304 	case WSDISPLAYIO_GVIDEO:
305 	case WSDISPLAYIO_SVIDEO:
306 	case WSDISPLAYIO_GCURPOS:
307 	case WSDISPLAYIO_GCURMAX:
308 	case WSDISPLAYIO_GCURSOR:
309 		printf("nextdisplay_ioctl: listed but unsupported ioctl\n");
310 		return EPASSTHROUGH;
311 	}
312 
313 	return EPASSTHROUGH;
314 }
315 
316 static paddr_t
317 nextdisplay_mmap(v, offset, prot)
318 	void *v;
319 	off_t offset;
320 	int prot;
321 {
322 
323 	/* XXX */
324 	printf("nextdisplay_mmap: failed\n");
325 	return -1;
326 }
327 
328 int
329 nextdisplay_alloc_screen(v, type, cookiep, curxp, curyp, defattrp)
330 	void *v;
331 	const struct wsscreen_descr *type;
332 	void **cookiep;
333 	int *curxp, *curyp;
334 	long *defattrp;
335 {
336 	struct nextdisplay_softc *sc = v;
337 	long defattr;
338 
339 	/* only allow one screen */
340 	if (sc->nscreens > 0)
341 		return (ENOMEM);
342 
343 	*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
344 	*curxp = 0;
345 	*curyp = 0;
346 	rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0,
347 			 (strcmp(type->name, "color") == 0)
348 			 ? 0
349 			 : WSATTR_REVERSE, &defattr);
350 	*defattrp = defattr;
351 	sc->nscreens++;
352 #if 0
353 	printf("nextdisplay: allocating screen\n");
354 #endif
355 	return (0);
356 }
357 
358 void
359 nextdisplay_free_screen(v, cookie)
360 	void *v;
361 	void *cookie;
362 {
363 	struct nextdisplay_softc *sc = v;
364 
365 	if (sc->sc_dc == &nextdisplay_console_dc)
366 		panic("nextdisplay_free_screen: console");
367 
368 	sc->nscreens--;
369 }
370 
371 int
372 nextdisplay_show_screen(v, cookie, waitok, cb, cbarg)
373 	void *v;
374 	void *cookie;
375 	int waitok;
376 	void (*cb) __P((void *, int, int));
377 	void *cbarg;
378 {
379 
380 	return (0);
381 }
382 
383 static int
384 nextdisplay_load_font(v, cookie, font)
385 	void *v;
386 	void *cookie;
387 	struct wsdisplay_font *font;
388 {
389 	return (EPASSTHROUGH);
390 }
391 
392 int
393 nextdisplay_cnattach(void)
394 {
395 	struct nextdisplay_config *dc = &nextdisplay_console_dc;
396 	long defattr;
397 	int iscolor;
398 
399 	if ((rom_machine_type == NeXT_WARP9C)
400 	    || (rom_machine_type == NeXT_TURBO_COLOR)) {
401 		iscolor = 1;
402 		nextdisplay_consaddr = (paddr_t)colorbase;
403 	} else {
404 		iscolor = 0;
405 		nextdisplay_consaddr = (paddr_t)monobase;
406 	}
407 
408 	/* set up the display */
409 	nextdisplay_init(&nextdisplay_console_dc, iscolor);
410 
411 	rcons_alloc_attr(&dc->dc_rcons, 0, 0,
412 			 iscolor ? 0 : WSATTR_REVERSE, &defattr);
413 
414 	wsdisplay_cnattach(iscolor ? &nextdisplay_color : &nextdisplay_mono,
415 			   &dc->dc_rcons, 0, 0, defattr);
416 
417 	dc->isconsole = 1;
418 	return (0);
419 }
420