smg.c revision 1.15.4.1 1 1.15.4.1 thorpej /* $NetBSD: smg.c,v 1.15.4.1 1999/06/21 01:03:47 thorpej Exp $ */
2 1.1 ragge /*
3 1.1 ragge * Copyright (c) 1998 Ludd, University of Lule}, Sweden.
4 1.1 ragge * All rights reserved.
5 1.1 ragge *
6 1.1 ragge * Redistribution and use in source and binary forms, with or without
7 1.1 ragge * modification, are permitted provided that the following conditions
8 1.1 ragge * are met:
9 1.1 ragge * 1. Redistributions of source code must retain the above copyright
10 1.1 ragge * notice, this list of conditions and the following disclaimer.
11 1.1 ragge * 2. Redistributions in binary form must reproduce the above copyright
12 1.1 ragge * notice, this list of conditions and the following disclaimer in the
13 1.1 ragge * documentation and/or other materials provided with the distribution.
14 1.1 ragge * 3. All advertising materials mentioning features or use of this software
15 1.1 ragge * must display the following acknowledgement:
16 1.6 ragge * This product includes software developed at Ludd, University of
17 1.6 ragge * Lule}, Sweden and its contributors.
18 1.1 ragge * 4. The name of the author may not be used to endorse or promote products
19 1.1 ragge * derived from this software without specific prior written permission
20 1.1 ragge *
21 1.1 ragge * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 1.1 ragge * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 1.1 ragge * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 1.1 ragge * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 1.1 ragge * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 1.1 ragge * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 1.1 ragge * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 1.1 ragge * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 1.1 ragge * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 1.1 ragge * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 1.1 ragge */
32 1.1 ragge
33 1.1 ragge #include <sys/param.h>
34 1.1 ragge #include <sys/device.h>
35 1.1 ragge #include <sys/systm.h>
36 1.1 ragge #include <sys/time.h>
37 1.1 ragge #include <sys/malloc.h>
38 1.1 ragge #include <sys/conf.h>
39 1.6 ragge #include <sys/kernel.h>
40 1.1 ragge
41 1.1 ragge #include <dev/cons.h>
42 1.1 ragge
43 1.1 ragge #include <dev/wscons/wsdisplayvar.h>
44 1.1 ragge #include <dev/wscons/wsconsio.h>
45 1.1 ragge #include <dev/wscons/wscons_callbacks.h>
46 1.1 ragge
47 1.1 ragge #include <machine/vsbus.h>
48 1.1 ragge #include <machine/sid.h>
49 1.12 ragge #include <machine/cpu.h>
50 1.15.4.1 thorpej #include <machine/ka420.h>
51 1.1 ragge
52 1.1 ragge #include "lkc.h"
53 1.1 ragge
54 1.6 ragge #define SM_COLS 128 /* char width of screen */
55 1.6 ragge #define SM_ROWS 57 /* rows of char on screen */
56 1.6 ragge #define SM_CHEIGHT 15 /* lines a char consists of */
57 1.6 ragge #define SM_NEXTROW (SM_COLS * SM_CHEIGHT)
58 1.1 ragge
59 1.1 ragge static int smg_match __P((struct device *, struct cfdata *, void *));
60 1.1 ragge static void smg_attach __P((struct device *, struct device *, void *));
61 1.1 ragge
62 1.1 ragge struct smg_softc {
63 1.1 ragge struct device ss_dev;
64 1.1 ragge };
65 1.1 ragge
66 1.1 ragge struct cfattach smg_ca = {
67 1.1 ragge sizeof(struct smg_softc), smg_match, smg_attach,
68 1.1 ragge };
69 1.1 ragge
70 1.1 ragge static void smg_cursor __P((void *, int, int, int));
71 1.13 drochner static int smg_mapchar __P((void *, int, unsigned int *));
72 1.4 drochner static void smg_putchar __P((void *, int, int, u_int, long));
73 1.1 ragge static void smg_copycols __P((void *, int, int, int,int));
74 1.1 ragge static void smg_erasecols __P((void *, int, int, int, long));
75 1.1 ragge static void smg_copyrows __P((void *, int, int, int));
76 1.1 ragge static void smg_eraserows __P((void *, int, int, long));
77 1.1 ragge static int smg_alloc_attr __P((void *, int, int, int, long *));
78 1.1 ragge
79 1.1 ragge const struct wsdisplay_emulops smg_emulops = {
80 1.1 ragge smg_cursor,
81 1.5 drochner smg_mapchar,
82 1.4 drochner smg_putchar,
83 1.1 ragge smg_copycols,
84 1.1 ragge smg_erasecols,
85 1.1 ragge smg_copyrows,
86 1.1 ragge smg_eraserows,
87 1.1 ragge smg_alloc_attr
88 1.1 ragge };
89 1.1 ragge
90 1.1 ragge const struct wsscreen_descr smg_stdscreen = {
91 1.6 ragge "128x57", SM_COLS, SM_ROWS,
92 1.6 ragge &smg_emulops,
93 1.6 ragge 8, SM_CHEIGHT,
94 1.6 ragge WSSCREEN_UNDERLINE|WSSCREEN_REVERSE,
95 1.1 ragge };
96 1.1 ragge
97 1.1 ragge const struct wsscreen_descr *_smg_scrlist[] = {
98 1.1 ragge &smg_stdscreen,
99 1.1 ragge };
100 1.1 ragge
101 1.1 ragge const struct wsscreen_list smg_screenlist = {
102 1.1 ragge sizeof(_smg_scrlist) / sizeof(struct wsscreen_descr *),
103 1.1 ragge _smg_scrlist,
104 1.1 ragge };
105 1.1 ragge
106 1.12 ragge static caddr_t sm_addr;
107 1.12 ragge
108 1.6 ragge extern char q_font[];
109 1.6 ragge #define QCHAR(c) (c < 32 ? 32 : (c > 127 ? c - 66 : c - 32))
110 1.6 ragge #define QFONT(c,line) q_font[QCHAR(c) * 15 + line]
111 1.6 ragge #define SM_ADDR(row, col, line) \
112 1.6 ragge sm_addr[col + (row * SM_CHEIGHT * SM_COLS) + line * SM_COLS]
113 1.6 ragge
114 1.6 ragge
115 1.1 ragge static int smg_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
116 1.1 ragge static int smg_mmap __P((void *, off_t, int));
117 1.1 ragge static int smg_alloc_screen __P((void *, const struct wsscreen_descr *,
118 1.6 ragge void **, int *, int *, long *));
119 1.1 ragge static void smg_free_screen __P((void *, void *));
120 1.1 ragge static void smg_show_screen __P((void *, void *));
121 1.6 ragge static void smg_crsr_blink __P((void *));
122 1.1 ragge
123 1.1 ragge const struct wsdisplay_accessops smg_accessops = {
124 1.1 ragge smg_ioctl,
125 1.1 ragge smg_mmap,
126 1.1 ragge smg_alloc_screen,
127 1.1 ragge smg_free_screen,
128 1.1 ragge smg_show_screen,
129 1.11 drochner 0 /* load_font */
130 1.1 ragge };
131 1.1 ragge
132 1.1 ragge struct smg_screen {
133 1.1 ragge int ss_curx;
134 1.1 ragge int ss_cury;
135 1.2 ragge u_char ss_image[SM_ROWS][SM_COLS]; /* Image of current screen */
136 1.6 ragge u_char ss_attr[SM_ROWS][SM_COLS]; /* Reversed etc... */
137 1.1 ragge };
138 1.1 ragge
139 1.2 ragge static struct smg_screen smg_conscreen;
140 1.2 ragge static struct smg_screen *curscr;
141 1.1 ragge
142 1.1 ragge int
143 1.1 ragge smg_match(parent, match, aux)
144 1.1 ragge struct device *parent;
145 1.1 ragge struct cfdata *match;
146 1.1 ragge void *aux;
147 1.1 ragge {
148 1.15 ragge struct vsbus_attach_args *va = aux;
149 1.15 ragge volatile short *curcmd = (short *)va->va_addr;
150 1.15 ragge volatile short *cfgtst = (short *)vax_map_physmem(VS_CFGTST, 1);
151 1.15 ragge short tmp, tmp2;
152 1.15 ragge
153 1.15 ragge /*
154 1.15 ragge * Try to find the cursor chip by testing the flip-flop.
155 1.15 ragge * If nonexistent, no glass tty.
156 1.15 ragge */
157 1.15 ragge curcmd[0] = 0x7fff;
158 1.15 ragge DELAY(300000);
159 1.15 ragge tmp = cfgtst[0];
160 1.15 ragge curcmd[0] = 0x8000;
161 1.15 ragge DELAY(300000);
162 1.15 ragge tmp2 = cfgtst[0];
163 1.15 ragge vax_unmap_physmem((vaddr_t)cfgtst, 1);
164 1.15 ragge
165 1.15 ragge if (tmp2 != tmp)
166 1.15 ragge return 20; /* Using periodic interrupt */
167 1.15 ragge else
168 1.12 ragge return 0;
169 1.1 ragge }
170 1.1 ragge
171 1.1 ragge void
172 1.1 ragge smg_attach(parent, self, aux)
173 1.1 ragge struct device *parent, *self;
174 1.1 ragge void *aux;
175 1.1 ragge {
176 1.1 ragge struct wsemuldisplaydev_attach_args aa;
177 1.1 ragge
178 1.1 ragge printf("\n");
179 1.15 ragge sm_addr = (caddr_t)vax_map_physmem(SMADDR, (SMSIZE/VAX_NBPG));
180 1.15 ragge if (sm_addr == 0) {
181 1.15 ragge printf("%s: Couldn't alloc graphics memory.\n", self->dv_xname);
182 1.15 ragge return;
183 1.15 ragge }
184 1.2 ragge curscr = &smg_conscreen;
185 1.1 ragge aa.console = !(vax_confdata & 0x20);
186 1.1 ragge aa.scrdata = &smg_screenlist;
187 1.1 ragge aa.accessops = &smg_accessops;
188 1.6 ragge timeout(smg_crsr_blink, 0, hz/2);
189 1.1 ragge
190 1.1 ragge config_found(self, &aa, wsemuldisplaydevprint);
191 1.1 ragge }
192 1.1 ragge
193 1.6 ragge static u_char *cursor;
194 1.6 ragge static int cur_on;
195 1.6 ragge
196 1.6 ragge static void
197 1.6 ragge smg_crsr_blink(arg)
198 1.6 ragge void *arg;
199 1.6 ragge {
200 1.6 ragge if (cur_on)
201 1.6 ragge *cursor ^= 255;
202 1.6 ragge timeout(smg_crsr_blink, 0, hz/2);
203 1.6 ragge }
204 1.6 ragge
205 1.1 ragge void
206 1.1 ragge smg_cursor(id, on, row, col)
207 1.1 ragge void *id;
208 1.1 ragge int on, row, col;
209 1.1 ragge {
210 1.2 ragge struct smg_screen *ss = id;
211 1.2 ragge
212 1.6 ragge if (ss == curscr) {
213 1.6 ragge SM_ADDR(ss->ss_cury, ss->ss_curx, 14) =
214 1.6 ragge QFONT(ss->ss_image[ss->ss_cury][ss->ss_curx], 14);
215 1.6 ragge cursor = &SM_ADDR(row, col, 14);
216 1.6 ragge if ((cur_on = on))
217 1.6 ragge *cursor ^= 255;
218 1.6 ragge }
219 1.2 ragge ss->ss_curx = col;
220 1.2 ragge ss->ss_cury = row;
221 1.5 drochner }
222 1.5 drochner
223 1.14 ragge int
224 1.13 drochner smg_mapchar(id, uni, index)
225 1.5 drochner void *id;
226 1.5 drochner int uni;
227 1.13 drochner unsigned int *index;
228 1.5 drochner {
229 1.13 drochner if (uni < 256) {
230 1.13 drochner *index = uni;
231 1.13 drochner return (5);
232 1.13 drochner }
233 1.13 drochner *index = ' ';
234 1.5 drochner return (0);
235 1.1 ragge }
236 1.1 ragge
237 1.1 ragge static void
238 1.4 drochner smg_putchar(id, row, col, c, attr)
239 1.1 ragge void *id;
240 1.1 ragge int row, col;
241 1.4 drochner u_int c;
242 1.1 ragge long attr;
243 1.1 ragge {
244 1.2 ragge struct smg_screen *ss = id;
245 1.4 drochner int i;
246 1.1 ragge
247 1.4 drochner c &= 0xff;
248 1.4 drochner
249 1.4 drochner ss->ss_image[row][col] = c;
250 1.6 ragge ss->ss_attr[row][col] = attr;
251 1.2 ragge if (ss != curscr)
252 1.2 ragge return;
253 1.6 ragge for (i = 0; i < 15; i++) {
254 1.6 ragge unsigned char ch = QFONT(c, i);
255 1.6 ragge
256 1.6 ragge SM_ADDR(row, col, i) = (attr & WSATTR_REVERSE ? ~ch : ch);
257 1.6 ragge
258 1.6 ragge }
259 1.6 ragge if (attr & WSATTR_UNDERLINE)
260 1.6 ragge SM_ADDR(row, col, 14) ^= SM_ADDR(row, col, 14);
261 1.1 ragge }
262 1.1 ragge
263 1.1 ragge /*
264 1.1 ragge * copies columns inside a row.
265 1.1 ragge */
266 1.1 ragge static void
267 1.1 ragge smg_copycols(id, row, srccol, dstcol, ncols)
268 1.1 ragge void *id;
269 1.1 ragge int row, srccol, dstcol, ncols;
270 1.1 ragge {
271 1.2 ragge struct smg_screen *ss = id;
272 1.1 ragge int i;
273 1.1 ragge
274 1.2 ragge bcopy(&ss->ss_image[row][srccol], &ss->ss_image[row][dstcol], ncols);
275 1.6 ragge bcopy(&ss->ss_attr[row][srccol], &ss->ss_attr[row][dstcol], ncols);
276 1.2 ragge if (ss != curscr)
277 1.2 ragge return;
278 1.1 ragge for (i = 0; i < SM_CHEIGHT; i++)
279 1.6 ragge bcopy(&SM_ADDR(row,srccol, i), &SM_ADDR(row, dstcol, i),ncols);
280 1.1 ragge }
281 1.1 ragge
282 1.1 ragge /*
283 1.1 ragge * Erases a bunch of chars inside one row.
284 1.1 ragge */
285 1.1 ragge static void
286 1.1 ragge smg_erasecols(id, row, startcol, ncols, fillattr)
287 1.1 ragge void *id;
288 1.1 ragge int row, startcol, ncols;
289 1.1 ragge long fillattr;
290 1.1 ragge {
291 1.2 ragge struct smg_screen *ss = id;
292 1.1 ragge int i;
293 1.1 ragge
294 1.2 ragge bzero(&ss->ss_image[row][startcol], ncols);
295 1.6 ragge bzero(&ss->ss_attr[row][startcol], ncols);
296 1.2 ragge if (ss != curscr)
297 1.2 ragge return;
298 1.1 ragge for (i = 0; i < SM_CHEIGHT; i++)
299 1.6 ragge bzero(&SM_ADDR(row, startcol, i), ncols);
300 1.1 ragge }
301 1.1 ragge
302 1.1 ragge static void
303 1.1 ragge smg_copyrows(id, srcrow, dstrow, nrows)
304 1.1 ragge void *id;
305 1.1 ragge int srcrow, dstrow, nrows;
306 1.1 ragge {
307 1.2 ragge struct smg_screen *ss = id;
308 1.1 ragge int frows;
309 1.1 ragge
310 1.6 ragge bcopy(&ss->ss_image[srcrow][0], &ss->ss_image[dstrow][0],
311 1.6 ragge nrows * SM_COLS);
312 1.6 ragge bcopy(&ss->ss_attr[srcrow][0], &ss->ss_attr[dstrow][0],
313 1.6 ragge nrows * SM_COLS);
314 1.2 ragge if (ss != curscr)
315 1.2 ragge return;
316 1.1 ragge if (nrows > 25) {
317 1.1 ragge frows = nrows >> 1;
318 1.1 ragge if (srcrow > dstrow) {
319 1.1 ragge bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
320 1.1 ragge &sm_addr[(dstrow * SM_NEXTROW)],
321 1.1 ragge frows * SM_NEXTROW);
322 1.1 ragge bcopy(&sm_addr[((srcrow + frows) * SM_NEXTROW)],
323 1.1 ragge &sm_addr[((dstrow + frows) * SM_NEXTROW)],
324 1.1 ragge (nrows - frows) * SM_NEXTROW);
325 1.1 ragge } else {
326 1.1 ragge bcopy(&sm_addr[((srcrow + frows) * SM_NEXTROW)],
327 1.1 ragge &sm_addr[((dstrow + frows) * SM_NEXTROW)],
328 1.1 ragge (nrows - frows) * SM_NEXTROW);
329 1.1 ragge bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
330 1.1 ragge &sm_addr[(dstrow * SM_NEXTROW)],
331 1.1 ragge frows * SM_NEXTROW);
332 1.1 ragge }
333 1.1 ragge } else
334 1.1 ragge bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
335 1.1 ragge &sm_addr[(dstrow * SM_NEXTROW)], nrows * SM_NEXTROW);
336 1.1 ragge }
337 1.1 ragge
338 1.1 ragge static void
339 1.1 ragge smg_eraserows(id, startrow, nrows, fillattr)
340 1.1 ragge void *id;
341 1.1 ragge int startrow, nrows;
342 1.1 ragge long fillattr;
343 1.1 ragge {
344 1.2 ragge struct smg_screen *ss = id;
345 1.1 ragge int frows;
346 1.1 ragge
347 1.6 ragge bzero(&ss->ss_image[startrow][0], nrows * SM_COLS);
348 1.6 ragge bzero(&ss->ss_attr[startrow][0], nrows * SM_COLS);
349 1.2 ragge if (ss != curscr)
350 1.2 ragge return;
351 1.1 ragge if (nrows > 25) {
352 1.1 ragge frows = nrows >> 1;
353 1.1 ragge bzero(&sm_addr[(startrow * SM_NEXTROW)], frows * SM_NEXTROW);
354 1.1 ragge bzero(&sm_addr[((startrow + frows) * SM_NEXTROW)],
355 1.1 ragge (nrows - frows) * SM_NEXTROW);
356 1.1 ragge } else
357 1.1 ragge bzero(&sm_addr[(startrow * SM_NEXTROW)], nrows * SM_NEXTROW);
358 1.1 ragge }
359 1.1 ragge
360 1.1 ragge static int
361 1.1 ragge smg_alloc_attr(id, fg, bg, flags, attrp)
362 1.1 ragge void *id;
363 1.1 ragge int fg, bg;
364 1.1 ragge int flags;
365 1.1 ragge long *attrp;
366 1.1 ragge {
367 1.6 ragge *attrp = flags;
368 1.1 ragge return 0;
369 1.1 ragge }
370 1.1 ragge
371 1.1 ragge int
372 1.1 ragge smg_ioctl(v, cmd, data, flag, p)
373 1.1 ragge void *v;
374 1.1 ragge u_long cmd;
375 1.1 ragge caddr_t data;
376 1.1 ragge int flag;
377 1.1 ragge struct proc *p;
378 1.1 ragge {
379 1.8 ragge struct wsdisplay_fbinfo fb;
380 1.8 ragge
381 1.8 ragge switch (cmd) {
382 1.8 ragge case WSDISPLAYIO_GTYPE:
383 1.8 ragge *(u_int *)data = WSDISPLAY_TYPE_PM_MONO;
384 1.8 ragge break;
385 1.8 ragge
386 1.8 ragge case WSDISPLAYIO_GINFO:
387 1.8 ragge fb.height = 864;
388 1.8 ragge fb.width = 1024;
389 1.8 ragge return copyout(&fb, data, sizeof(struct wsdisplay_fbinfo));
390 1.8 ragge
391 1.8 ragge
392 1.8 ragge default:
393 1.8 ragge return -1;
394 1.8 ragge }
395 1.8 ragge return 0;
396 1.1 ragge }
397 1.1 ragge
398 1.1 ragge static int
399 1.1 ragge smg_mmap(v, offset, prot)
400 1.1 ragge void *v;
401 1.1 ragge off_t offset;
402 1.1 ragge int prot;
403 1.1 ragge {
404 1.9 mrg if (offset >= SMSIZE || offset < 0)
405 1.8 ragge return -1;
406 1.8 ragge return (SMADDR + offset) >> CLSHIFT;
407 1.1 ragge }
408 1.1 ragge
409 1.1 ragge int
410 1.1 ragge smg_alloc_screen(v, type, cookiep, curxp, curyp, defattrp)
411 1.1 ragge void *v;
412 1.1 ragge const struct wsscreen_descr *type;
413 1.1 ragge void **cookiep;
414 1.1 ragge int *curxp, *curyp;
415 1.1 ragge long *defattrp;
416 1.1 ragge {
417 1.2 ragge *cookiep = malloc(sizeof(struct smg_screen), M_DEVBUF, M_WAITOK);
418 1.3 ragge bzero(*cookiep, sizeof(struct smg_screen));
419 1.3 ragge *curxp = *curyp = *defattrp = 0;
420 1.1 ragge return 0;
421 1.1 ragge }
422 1.1 ragge
423 1.1 ragge void
424 1.1 ragge smg_free_screen(v, cookie)
425 1.1 ragge void *v;
426 1.1 ragge void *cookie;
427 1.1 ragge {
428 1.1 ragge }
429 1.1 ragge
430 1.1 ragge void
431 1.1 ragge smg_show_screen(v, cookie)
432 1.1 ragge void *v;
433 1.1 ragge void *cookie;
434 1.1 ragge {
435 1.2 ragge struct smg_screen *ss = cookie;
436 1.2 ragge int row, col, line;
437 1.2 ragge
438 1.2 ragge if (ss == curscr)
439 1.2 ragge return;
440 1.2 ragge
441 1.6 ragge for (row = 0; row < SM_ROWS; row++)
442 1.8 ragge for (line = 0; line < SM_CHEIGHT; line++) {
443 1.6 ragge for (col = 0; col < SM_COLS; col++) {
444 1.6 ragge u_char s, c = ss->ss_image[row][col];
445 1.6 ragge
446 1.6 ragge if (c < 32)
447 1.6 ragge c = 32;
448 1.6 ragge s = QFONT(c, line);
449 1.6 ragge if (ss->ss_attr[row][col] & WSATTR_REVERSE)
450 1.6 ragge s ^= 255;
451 1.6 ragge SM_ADDR(row, col, line) = s;
452 1.2 ragge }
453 1.8 ragge if (ss->ss_attr[row][col] & WSATTR_UNDERLINE)
454 1.8 ragge SM_ADDR(row, col, line) = 255;
455 1.8 ragge }
456 1.6 ragge cursor = &sm_addr[(ss->ss_cury * SM_CHEIGHT * SM_COLS) + ss->ss_curx +
457 1.6 ragge ((SM_CHEIGHT - 1) * SM_COLS)];
458 1.2 ragge curscr = ss;
459 1.1 ragge }
460 1.1 ragge
461 1.1 ragge cons_decl(smg);
462 1.1 ragge
463 1.6 ragge #define WSCONSOLEMAJOR 68
464 1.1 ragge
465 1.1 ragge void
466 1.1 ragge smgcninit(cndev)
467 1.6 ragge struct consdev *cndev;
468 1.1 ragge {
469 1.1 ragge extern void lkccninit __P((struct consdev *));
470 1.1 ragge extern int lkccngetc __P((dev_t));
471 1.1 ragge /* Clear screen */
472 1.10 ragge memset(sm_addr, 0, 128*864);
473 1.1 ragge
474 1.2 ragge curscr = &smg_conscreen;
475 1.2 ragge wsdisplay_cnattach(&smg_stdscreen, &smg_conscreen, 0, 0, 0);
476 1.1 ragge cn_tab->cn_dev = makedev(WSCONSOLEMAJOR, 0);
477 1.1 ragge #if NLKC
478 1.1 ragge lkccninit(cndev);
479 1.1 ragge wsdisplay_set_cons_kbd(lkccngetc, nullcnpollc);
480 1.1 ragge #endif
481 1.1 ragge }
482 1.1 ragge
483 1.1 ragge int smgprobe(void);
484 1.1 ragge int
485 1.1 ragge smgprobe()
486 1.1 ragge {
487 1.1 ragge switch (vax_boardtype) {
488 1.1 ragge case VAX_BTYP_410:
489 1.1 ragge case VAX_BTYP_420:
490 1.1 ragge case VAX_BTYP_43:
491 1.15.4.1 thorpej if ((vax_confdata & KA420_CFG_L3CON) ||
492 1.15.4.1 thorpej (vax_confdata & KA420_CFG_MULTU))
493 1.15.4.1 thorpej break; /* doesn't use graphics console */
494 1.12 ragge sm_addr = (caddr_t)vax_map_physmem(SMADDR, (SMSIZE/VAX_NBPG));
495 1.12 ragge if (sm_addr == 0)
496 1.12 ragge return 0;
497 1.1 ragge
498 1.1 ragge return 1;
499 1.1 ragge
500 1.1 ragge default:
501 1.1 ragge break;
502 1.1 ragge }
503 1.1 ragge return 0;
504 1.1 ragge }
505