xref: /netbsd-src/sys/arch/next68k/dev/nextdisplay.c (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
1 /* $NetBSD: nextdisplay.c,v 1.4 2000/06/26 04:55:52 simonb 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 		return (1);
146 	else
147 		return (0);
148 }
149 
150 void
151 nextdisplay_init(dc, color)
152 	struct nextdisplay_config *dc;
153 	int color;
154 {
155 	struct raster *rap;
156 	struct rcons *rcp;
157 	paddr_t addr;
158 	int i;
159 
160 	/* printf("in nextdisplay_init\n"); */
161 
162 	if (color)
163 		addr = (paddr_t)colorbase;
164 	else
165 		addr = (paddr_t)monobase;
166 
167 	dc->dc_vaddr = addr;
168 	dc->dc_paddr = color ? COLORP(addr) : MONOP(addr);
169 	dc->dc_size = color ? NEXT_P_C16_VIDEOSIZE : NEXT_P_VIDEOSIZE;
170 
171 	dc->dc_wid = 1152; /* XXX color */
172 	dc->dc_ht = 832; /* XXX color */
173 	dc->dc_depth = color ? 8 : 2;
174 	dc->dc_rowbytes = dc->dc_wid * dc->dc_depth / 8;
175 
176 	dc->dc_videobase = dc->dc_vaddr;
177 
178 #if 0
179 	printf("intiobase at: %08x\n", intiobase);
180 	printf("intiolimit at: %08x\n", intiolimit);
181 	printf("videobase at: %08x\n", color ? colorbase : monobase);
182 	printf("videolimit at: %08x\n", color ? colorlimit : monolimit);
183 
184 	printf("virtual fb at: %08x\n", dc->dc_vaddr);
185 	printf("physical fb at: %08x\n", dc->dc_paddr);
186 	printf("fb size: %08x\n", dc->dc_size);
187 
188 	printf("dc_wid: %08x\n", dc->dc_wid);
189 	printf("dc_ht: %08x\n", dc->dc_ht);
190 	printf("dc_depth: %08x\n", dc->dc_depth);
191 	printf("dc_rowbytes: %08x\n", dc->dc_rowbytes);
192 	printf("dc_videobase: %08x\n", dc->dc_videobase);
193 #endif
194 
195 	/* clear the screen */
196 	for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
197 		*(u_int32_t *)(dc->dc_videobase + i) = 0xffffffff;
198 
199 	rap = &dc->dc_raster;
200 	rap->width = dc->dc_wid;
201 	rap->height = dc->dc_ht;
202 	rap->depth = color ? 8 : 2;
203 	rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
204 	rap->pixels = (u_int32_t *)dc->dc_videobase;
205 
206 	/* initialize the raster console blitter */
207 	rcp = &dc->dc_rcons;
208 	rcp->rc_sp = rap;
209 	rcp->rc_crow = rcp->rc_ccol = -1;
210 	rcp->rc_crowp = &rcp->rc_crow;
211 	rcp->rc_ccolp = &rcp->rc_ccol;
212 	rcons_init(rcp, 34, 80);
213 
214 	if (color) {
215 		nextdisplay_color.nrows = dc->dc_rcons.rc_maxrow;
216 		nextdisplay_color.ncols = dc->dc_rcons.rc_maxcol;
217 	} else {
218 		nextdisplay_mono.nrows = dc->dc_rcons.rc_maxrow;
219 		nextdisplay_mono.ncols = dc->dc_rcons.rc_maxcol;
220 	}
221 }
222 
223 void
224 nextdisplay_attach(parent, self, aux)
225 	struct device *parent;
226 	struct device *self;
227 	void *aux;
228 {
229 	struct nextdisplay_softc *sc;
230 	struct wsemuldisplaydev_attach_args waa;
231 	int isconsole;
232 	int iscolor;
233 	paddr_t addr;
234 
235 	sc = (struct nextdisplay_softc *)self;
236 
237 	if (rom_machine_type == NeXT_WARP9C) {
238 		iscolor = 1;
239 		addr = (paddr_t)colorbase;
240 	} else {
241 		iscolor = 0;
242 		addr = (paddr_t)monobase;
243 	}
244 
245 	isconsole = nextdisplay_is_console(addr);
246 
247 	if (isconsole) {
248 		sc->sc_dc = &nextdisplay_console_dc;
249 		sc->nscreens = 1;
250 	} else {
251 		sc->sc_dc = (struct nextdisplay_config *)
252 				malloc(sizeof(struct nextdisplay_config), M_DEVBUF, M_WAITOK);
253 		nextdisplay_init(sc->sc_dc, iscolor);
254 	}
255 
256 	printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
257 	       sc->sc_dc->dc_depth);
258 
259 	/* initialize the raster */
260 	waa.console = isconsole;
261 	waa.scrdata = iscolor ? &nextdisplay_screenlist_color : &nextdisplay_screenlist_mono;
262 	waa.accessops = &nextdisplay_accessops;
263 	waa.accesscookie = sc;
264 #if 0
265 	printf("nextdisplay: access cookie is %p\n", sc);
266 #endif
267 	config_found(self, &waa, wsemuldisplaydevprint);
268 }
269 
270 
271 int
272 nextdisplay_ioctl(v, cmd, data, flag, p)
273 	void *v;
274 	u_long cmd;
275 	caddr_t data;
276 	int flag;
277 	struct proc *p;
278 {
279 	struct nextdisplay_softc *sc = v;
280 	struct nextdisplay_config *dc = sc->sc_dc;
281 
282 	switch (cmd) {
283 	case WSDISPLAYIO_GTYPE:
284 		*(int *)data = dc->dc_type;
285 		return 0;
286 
287 	case WSDISPLAYIO_SCURSOR:
288 		printf("nextdisplay_ioctl: wsdisplayio_scursor\n");
289 		return ENOTTY;
290 
291 	case WSDISPLAYIO_SCURPOS:
292 		printf("nextdisplay_ioctl: wsdisplayio_scurpos\n");
293 		return ENOTTY;
294 
295 	case WSDISPLAYIO_GINFO:
296 	case WSDISPLAYIO_GETCMAP:
297 	case WSDISPLAYIO_PUTCMAP:
298 	case WSDISPLAYIO_GVIDEO:
299 	case WSDISPLAYIO_SVIDEO:
300 	case WSDISPLAYIO_GCURPOS:
301 	case WSDISPLAYIO_GCURMAX:
302 	case WSDISPLAYIO_GCURSOR:
303 		printf("nextdisplay_ioctl: listed but unsupported ioctl\n");
304 		return ENOTTY;
305 	}
306 
307 	return ENOTTY;
308 }
309 
310 static paddr_t
311 nextdisplay_mmap(v, offset, prot)
312 	void *v;
313 	off_t offset;
314 	int prot;
315 {
316 
317 	/* XXX */
318 	printf("nextdisplay_mmap: failed\n");
319 	return -1;
320 }
321 
322 int
323 nextdisplay_alloc_screen(v, type, cookiep, curxp, curyp, defattrp)
324 	void *v;
325 	const struct wsscreen_descr *type;
326 	void **cookiep;
327 	int *curxp, *curyp;
328 	long *defattrp;
329 {
330 	struct nextdisplay_softc *sc = v;
331 	long defattr;
332 
333 	/* only allow one screen */
334 	if (sc->nscreens > 0)
335 		return (ENOMEM);
336 
337 	*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
338 	*curxp = 0;
339 	*curyp = 0;
340 	rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0,
341 			 WSATTR_REVERSE, &defattr);
342 	*defattrp = defattr;
343 	sc->nscreens++;
344 #if 0
345 	printf("nextdisplay: allocating screen\n");
346 #endif
347 	return (0);
348 }
349 
350 void
351 nextdisplay_free_screen(v, cookie)
352 	void *v;
353 	void *cookie;
354 {
355 	struct nextdisplay_softc *sc = v;
356 
357 	if (sc->sc_dc == &nextdisplay_console_dc)
358 		panic("nextdisplay_free_screen: console");
359 
360 	sc->nscreens--;
361 }
362 
363 int
364 nextdisplay_show_screen(v, cookie, waitok, cb, cbarg)
365 	void *v;
366 	void *cookie;
367 	int waitok;
368 	void (*cb) __P((void *, int, int));
369 	void *cbarg;
370 {
371 
372 	return (0);
373 }
374 
375 static int
376 nextdisplay_load_font(v, cookie, font)
377 	void *v;
378 	void *cookie;
379 	struct wsdisplay_font *font;
380 {
381 	return (EINVAL);
382 }
383 
384 int
385 nextdisplay_cnattach(void)
386 {
387 	struct nextdisplay_config *dc = &nextdisplay_console_dc;
388 	long defattr;
389 	int iscolor;
390 
391 	if (rom_machine_type == NeXT_WARP9C) {
392 		iscolor = 1;
393 		nextdisplay_consaddr = (paddr_t)colorbase;
394 	} else {
395 		iscolor = 0;
396 		nextdisplay_consaddr = (paddr_t)monobase;
397 	}
398 
399 	/* set up the display */
400 	nextdisplay_init(&nextdisplay_console_dc, iscolor);
401 
402 	rcons_alloc_attr(&dc->dc_rcons, 0, 0, WSATTR_REVERSE, &defattr);
403 
404 	wsdisplay_cnattach(iscolor ? &nextdisplay_color : &nextdisplay_mono,
405 			   &dc->dc_rcons, 0, 0, defattr);
406 
407 	dc->isconsole = 1;
408 	return (0);
409 }
410