xref: /freebsd/sys/dev/syscons/scvidctl.c (revision 1669d8afc64812c8d2d1d147ae1fd42ff441e1b1)
1 /*-
2  * Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to The DragonFly Project
6  * by Sascha Wildner <saw@online.de>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer as
13  *    the first lines of this file unmodified.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
33 #include "opt_compat.h"
34 #include "opt_syscons.h"
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/conf.h>
39 #include <sys/signalvar.h>
40 #include <sys/tty.h>
41 #include <sys/kernel.h>
42 #include <sys/fbio.h>
43 #include <sys/consio.h>
44 #include <sys/filedesc.h>
45 #include <sys/lock.h>
46 #include <sys/sx.h>
47 #include <sys/mutex.h>
48 #include <sys/proc.h>
49 
50 #include <dev/fb/fbreg.h>
51 #include <dev/syscons/syscons.h>
52 
53 SET_DECLARE(scrndr_set, const sc_renderer_t);
54 
55 /* for compatibility with previous versions */
56 /* 3.0-RELEASE used the following structure */
57 typedef struct old_video_adapter {
58     int			va_index;
59     int			va_type;
60     int			va_flags;
61 /* flag bits are the same as the -CURRENT
62 #define V_ADP_COLOR	(1<<0)
63 #define V_ADP_MODECHANGE (1<<1)
64 #define V_ADP_STATESAVE	(1<<2)
65 #define V_ADP_STATELOAD	(1<<3)
66 #define V_ADP_FONT	(1<<4)
67 #define V_ADP_PALETTE	(1<<5)
68 #define V_ADP_BORDER	(1<<6)
69 #define V_ADP_VESA	(1<<7)
70 */
71     int			va_crtc_addr;
72     u_int		va_window;	/* virtual address */
73     size_t		va_window_size;
74     size_t		va_window_gran;
75     u_int		va_buffer;	/* virtual address */
76     size_t		va_buffer_size;
77     int			va_initial_mode;
78     int			va_initial_bios_mode;
79     int			va_mode;
80 } old_video_adapter_t;
81 
82 #define OLD_CONS_ADPINFO _IOWR('c', 101, old_video_adapter_t)
83 
84 /* 3.1-RELEASE used the following structure */
85 typedef struct old_video_adapter_info {
86     int			va_index;
87     int			va_type;
88     char		va_name[16];
89     int			va_unit;
90     int			va_flags;
91     int			va_io_base;
92     int			va_io_size;
93     int			va_crtc_addr;
94     int			va_mem_base;
95     int			va_mem_size;
96     u_int		va_window;	/* virtual address */
97     size_t		va_window_size;
98     size_t		va_window_gran;
99     u_int		va_buffer;
100     size_t		va_buffer_size;
101     int			va_initial_mode;
102     int			va_initial_bios_mode;
103     int			va_mode;
104     int			va_line_width;
105 } old_video_adapter_info_t;
106 
107 #define OLD_CONS_ADPINFO2 _IOWR('c', 101, old_video_adapter_info_t)
108 
109 /* 3.0-RELEASE and 3.1-RELEASE used the following structure */
110 typedef struct old_video_info {
111     int			vi_mode;
112     int			vi_flags;
113 /* flag bits are the same as the -CURRENT
114 #define V_INFO_COLOR	(1<<0)
115 #define V_INFO_GRAPHICS	(1<<1)
116 #define V_INFO_LINEAR	(1<<2)
117 #define V_INFO_VESA	(1<<3)
118 */
119     int			vi_width;
120     int			vi_height;
121     int			vi_cwidth;
122     int			vi_cheight;
123     int			vi_depth;
124     int			vi_planes;
125     u_int		vi_window;	/* physical address */
126     size_t		vi_window_size;
127     size_t		vi_window_gran;
128     u_int		vi_buffer;	/* physical address */
129     size_t		vi_buffer_size;
130 } old_video_info_t;
131 
132 #define OLD_CONS_MODEINFO _IOWR('c', 102, old_video_info_t)
133 #define OLD_CONS_FINDMODE _IOWR('c', 103, old_video_info_t)
134 
135 int
136 sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, int xsize, int ysize,
137 		 int fontsize, int fontwidth)
138 {
139     video_info_t info;
140     u_char *font;
141     int prev_ysize;
142     int error;
143     int s;
144 
145     if (vidd_get_info(scp->sc->adp, mode, &info))
146 	return ENODEV;
147 
148     /* adjust argument values */
149     if (fontwidth <= 0)
150 	fontwidth = info.vi_cwidth;
151     if (fontsize <= 0)
152 	fontsize = info.vi_cheight;
153     if (fontsize < 14) {
154 	fontsize = 8;
155 #ifndef SC_NO_FONT_LOADING
156 	if (!(scp->sc->fonts_loaded & FONT_8))
157 	    return EINVAL;
158 	font = scp->sc->font_8;
159 #else
160 	font = NULL;
161 #endif
162     } else if (fontsize >= 16) {
163 	fontsize = 16;
164 #ifndef SC_NO_FONT_LOADING
165 	if (!(scp->sc->fonts_loaded & FONT_16))
166 	    return EINVAL;
167 	font = scp->sc->font_16;
168 #else
169 	font = NULL;
170 #endif
171     } else {
172 	fontsize = 14;
173 #ifndef SC_NO_FONT_LOADING
174 	if (!(scp->sc->fonts_loaded & FONT_14))
175 	    return EINVAL;
176 	font = scp->sc->font_14;
177 #else
178 	font = NULL;
179 #endif
180     }
181     if ((xsize <= 0) || (xsize > info.vi_width))
182 	xsize = info.vi_width;
183     if ((ysize <= 0) || (ysize > info.vi_height))
184 	ysize = info.vi_height;
185 
186     /* stop screen saver, etc */
187     s = spltty();
188     if ((error = sc_clean_up(scp))) {
189 	splx(s);
190 	return error;
191     }
192 
193     if (sc_render_match(scp, scp->sc->adp->va_name, 0) == NULL) {
194 	splx(s);
195 	return ENODEV;
196     }
197 
198     /* set up scp */
199 #ifndef SC_NO_HISTORY
200     if (scp->history != NULL)
201 	sc_hist_save(scp);
202 #endif
203     prev_ysize = scp->ysize;
204     /*
205      * This is a kludge to fend off scrn_update() while we
206      * muck around with scp. XXX
207      */
208     scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
209     scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE | MOUSE_VISIBLE);
210     scp->mode = mode;
211     scp->xsize = xsize;
212     scp->ysize = ysize;
213     scp->xoff = 0;
214     scp->yoff = 0;
215     scp->xpixel = scp->xsize*8;
216     scp->ypixel = scp->ysize*fontsize;
217     scp->font = font;
218     scp->font_size = fontsize;
219     scp->font_width = fontwidth;
220 
221     /* allocate buffers */
222     sc_alloc_scr_buffer(scp, TRUE, TRUE);
223     sc_init_emulator(scp, NULL);
224 #ifndef SC_NO_CUTPASTE
225     sc_alloc_cut_buffer(scp, FALSE);
226 #endif
227 #ifndef SC_NO_HISTORY
228     sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
229 #endif
230     splx(s);
231 
232     if (scp == scp->sc->cur_scp)
233 	set_mode(scp);
234     scp->status &= ~UNKNOWN_MODE;
235 
236     if (tp == NULL)
237 	return 0;
238     DPRINTF(5, ("ws_*size (%d,%d), size (%d,%d)\n",
239 	tp->t_winsize.ws_col, tp->t_winsize.ws_row, scp->xsize, scp->ysize));
240     if (tp->t_winsize.ws_col != scp->xsize
241 	|| tp->t_winsize.ws_row != scp->ysize) {
242 	tp->t_winsize.ws_col = scp->xsize;
243 	tp->t_winsize.ws_row = scp->ysize;
244 	if (tp->t_pgrp != NULL) {
245 	    PGRP_LOCK(tp->t_pgrp);
246 	    pgsignal(tp->t_pgrp, SIGWINCH, 1);
247 	    PGRP_UNLOCK(tp->t_pgrp);
248 	}
249     }
250 
251     return 0;
252 }
253 
254 int
255 sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode)
256 {
257 #ifdef SC_NO_MODE_CHANGE
258     return ENODEV;
259 #else
260     video_info_t info;
261     int error;
262     int s;
263 
264     if (vidd_get_info(scp->sc->adp, mode, &info))
265 	return ENODEV;
266 
267     /* stop screen saver, etc */
268     s = spltty();
269     if ((error = sc_clean_up(scp))) {
270 	splx(s);
271 	return error;
272     }
273 
274     if (sc_render_match(scp, scp->sc->adp->va_name, GRAPHICS_MODE) == NULL) {
275 	splx(s);
276 	return ENODEV;
277     }
278 
279     /* set up scp */
280     scp->status |= (UNKNOWN_MODE | GRAPHICS_MODE | MOUSE_HIDDEN);
281     scp->status &= ~(PIXEL_MODE | MOUSE_VISIBLE);
282     scp->mode = mode;
283     /*
284      * Don't change xsize and ysize; preserve the previous vty
285      * and history buffers.
286      */
287     scp->xoff = 0;
288     scp->yoff = 0;
289     scp->xpixel = info.vi_width;
290     scp->ypixel = info.vi_height;
291     scp->font = NULL;
292     scp->font_size = 0;
293 #ifndef SC_NO_SYSMOUSE
294     /* move the mouse cursor at the center of the screen */
295     sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
296 #endif
297     sc_init_emulator(scp, NULL);
298     splx(s);
299 
300     if (scp == scp->sc->cur_scp)
301 	set_mode(scp);
302     /* clear_graphics();*/
303     scp->status &= ~UNKNOWN_MODE;
304 
305     if (tp == NULL)
306 	return 0;
307     if (tp->t_winsize.ws_xpixel != scp->xpixel
308 	|| tp->t_winsize.ws_ypixel != scp->ypixel) {
309 	tp->t_winsize.ws_xpixel = scp->xpixel;
310 	tp->t_winsize.ws_ypixel = scp->ypixel;
311 	if (tp->t_pgrp != NULL) {
312 	    PGRP_LOCK(tp->t_pgrp);
313 	    pgsignal(tp->t_pgrp, SIGWINCH, 1);
314 	    PGRP_UNLOCK(tp->t_pgrp);
315 	}
316     }
317 
318     return 0;
319 #endif /* SC_NO_MODE_CHANGE */
320 }
321 
322 int
323 sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize,
324 		  int fontsize, int fontwidth)
325 {
326 #ifndef SC_PIXEL_MODE
327     return ENODEV;
328 #else
329     video_info_t info;
330     u_char *font;
331     int prev_ysize;
332     int error;
333     int s;
334 
335     if (vidd_get_info(scp->sc->adp, scp->mode, &info))
336 	return ENODEV;		/* this shouldn't happen */
337 
338     /* adjust argument values */
339     if (fontsize <= 0)
340 	fontsize = info.vi_cheight;
341     if (fontsize < 14) {
342 	fontsize = 8;
343 #ifndef SC_NO_FONT_LOADING
344 	if (!(scp->sc->fonts_loaded & FONT_8))
345 	    return EINVAL;
346 	font = scp->sc->font_8;
347 #else
348 	font = NULL;
349 #endif
350     } else if (fontsize >= 16) {
351 	fontsize = 16;
352 #ifndef SC_NO_FONT_LOADING
353 	if (!(scp->sc->fonts_loaded & FONT_16))
354 	    return EINVAL;
355 	font = scp->sc->font_16;
356 #else
357 	font = NULL;
358 #endif
359     } else {
360 	fontsize = 14;
361 #ifndef SC_NO_FONT_LOADING
362 	if (!(scp->sc->fonts_loaded & FONT_14))
363 	    return EINVAL;
364 	font = scp->sc->font_14;
365 #else
366 	font = NULL;
367 #endif
368     }
369     if (xsize <= 0)
370 	xsize = info.vi_width/8;
371     if (ysize <= 0)
372 	ysize = info.vi_height/fontsize;
373 
374     if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize))
375 	return EINVAL;
376 
377     /*
378      * We currently support the following graphic modes:
379      *
380      * - 4 bpp planar modes whose memory size does not exceed 64K
381      * - 15, 16, 24 and 32 bpp linear modes
382      */
383 
384     if (info.vi_mem_model == V_INFO_MM_PLANAR) {
385 	if (info.vi_planes != 4)
386 	    return ENODEV;
387 
388 	/*
389 	 * A memory size >64K requires bank switching to access the entire
390 	 * screen. XXX
391 	 */
392 
393 	if (info.vi_width * info.vi_height / 8 > info.vi_window_size)
394 	    return ENODEV;
395     } else if (info.vi_mem_model == V_INFO_MM_DIRECT) {
396 	if (!(info.vi_flags & V_INFO_LINEAR) &&
397 	    (info.vi_depth != 15) && (info.vi_depth != 16) &&
398 	    (info.vi_depth != 24) && (info.vi_depth != 32))
399 	    return ENODEV;
400     } else
401 	return ENODEV;
402 
403     /* stop screen saver, etc */
404     s = spltty();
405     if ((error = sc_clean_up(scp))) {
406 	splx(s);
407 	return error;
408     }
409 
410     if (sc_render_match(scp, scp->sc->adp->va_name, PIXEL_MODE) == NULL) {
411 	splx(s);
412 	return ENODEV;
413     }
414 
415 #if 0
416     if (scp->tsw)
417 	(*scp->tsw->te_term)(scp, scp->ts);
418     scp->tsw = NULL;
419     scp->ts = NULL;
420 #endif
421 
422     /* set up scp */
423 #ifndef SC_NO_HISTORY
424     if (scp->history != NULL)
425 	sc_hist_save(scp);
426 #endif
427     prev_ysize = scp->ysize;
428     scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
429     scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE);
430     scp->xsize = xsize;
431     scp->ysize = ysize;
432     scp->xoff = (scp->xpixel/8 - xsize)/2;
433     scp->yoff = (scp->ypixel/fontsize - ysize)/2;
434     scp->font = font;
435     scp->font_size = fontsize;
436     scp->font_width = fontwidth;
437 
438     /* allocate buffers */
439     sc_alloc_scr_buffer(scp, TRUE, TRUE);
440     sc_init_emulator(scp, NULL);
441 #ifndef SC_NO_CUTPASTE
442     sc_alloc_cut_buffer(scp, FALSE);
443 #endif
444 #ifndef SC_NO_HISTORY
445     sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
446 #endif
447     splx(s);
448 
449     if (scp == scp->sc->cur_scp) {
450 	sc_set_border(scp, scp->border);
451 	sc_set_cursor_image(scp);
452     }
453 
454     scp->status &= ~UNKNOWN_MODE;
455 
456     if (tp == NULL)
457 	return 0;
458     if (tp->t_winsize.ws_col != scp->xsize
459 	|| tp->t_winsize.ws_row != scp->ysize) {
460 	tp->t_winsize.ws_col = scp->xsize;
461 	tp->t_winsize.ws_row = scp->ysize;
462 	if (tp->t_pgrp != NULL) {
463 	    PGRP_LOCK(tp->t_pgrp);
464 	    pgsignal(tp->t_pgrp, SIGWINCH, 1);
465 	    PGRP_UNLOCK(tp->t_pgrp);
466 	}
467     }
468 
469     return 0;
470 #endif /* SC_PIXEL_MODE */
471 }
472 
473 #define fb_ioctl(a, c, d)		\
474 	(((a) == NULL) ? ENODEV : 	\
475 			 vidd_ioctl((a), (c), (caddr_t)(d)))
476 
477 int
478 sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct thread *td)
479 {
480     scr_stat *scp;
481     video_adapter_t *adp;
482     video_info_t info;
483     video_adapter_info_t adp_info;
484     int error;
485     int s;
486 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
487     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
488     int ival;
489 #endif
490 
491     scp = SC_STAT(tp->t_dev);
492     if (scp == NULL)		/* tp == SC_MOUSE */
493 	return ENOIOCTL;
494     adp = scp->sc->adp;
495     if (adp == NULL)		/* shouldn't happen??? */
496 	return ENODEV;
497 
498     switch (cmd) {
499 
500     case CONS_CURRENTADP:	/* get current adapter index */
501     case FBIO_ADAPTER:
502 	return fb_ioctl(adp, FBIO_ADAPTER, data);
503 
504     case CONS_CURRENT:  	/* get current adapter type */
505     case FBIO_ADPTYPE:
506 	return fb_ioctl(adp, FBIO_ADPTYPE, data);
507 
508     case OLD_CONS_ADPINFO:	/* adapter information (old interface) */
509 	if (((old_video_adapter_t *)data)->va_index >= 0) {
510 	    adp = vid_get_adapter(((old_video_adapter_t *)data)->va_index);
511 	    if (adp == NULL)
512 		return ENODEV;
513 	}
514 	((old_video_adapter_t *)data)->va_index = adp->va_index;
515 	((old_video_adapter_t *)data)->va_type = adp->va_type;
516 	((old_video_adapter_t *)data)->va_flags = adp->va_flags;
517 	((old_video_adapter_t *)data)->va_crtc_addr = adp->va_crtc_addr;
518 	((old_video_adapter_t *)data)->va_window = adp->va_window;
519 	((old_video_adapter_t *)data)->va_window_size = adp->va_window_size;
520 	((old_video_adapter_t *)data)->va_window_gran = adp->va_window_gran;
521 	((old_video_adapter_t *)data)->va_buffer = adp->va_buffer;
522 	((old_video_adapter_t *)data)->va_buffer_size = adp->va_buffer_size;
523 	((old_video_adapter_t *)data)->va_mode = adp->va_mode;
524 	((old_video_adapter_t *)data)->va_initial_mode = adp->va_initial_mode;
525 	((old_video_adapter_t *)data)->va_initial_bios_mode
526 	    = adp->va_initial_bios_mode;
527 	return 0;
528 
529     case OLD_CONS_ADPINFO2:	/* adapter information (yet another old I/F) */
530 	adp_info.va_index = ((old_video_adapter_info_t *)data)->va_index;
531 	if (adp_info.va_index >= 0) {
532 	    adp = vid_get_adapter(adp_info.va_index);
533 	    if (adp == NULL)
534 		return ENODEV;
535 	}
536 	error = fb_ioctl(adp, FBIO_ADPINFO, &adp_info);
537 	if (error == 0)
538 	    bcopy(&adp_info, data, sizeof(old_video_adapter_info_t));
539 	return error;
540 
541     case CONS_ADPINFO:		/* adapter information */
542     case FBIO_ADPINFO:
543 	if (((video_adapter_info_t *)data)->va_index >= 0) {
544 	    adp = vid_get_adapter(((video_adapter_info_t *)data)->va_index);
545 	    if (adp == NULL)
546 		return ENODEV;
547 	}
548 	return fb_ioctl(adp, FBIO_ADPINFO, data);
549 
550     case CONS_GET:      	/* get current video mode */
551     case FBIO_GETMODE:
552 	*(int *)data = scp->mode;
553 	return 0;
554 
555 #ifndef SC_NO_MODE_CHANGE
556     case FBIO_SETMODE:		/* set video mode */
557 	if (!(adp->va_flags & V_ADP_MODECHANGE))
558  	    return ENODEV;
559 	info.vi_mode = *(int *)data;
560 	error = fb_ioctl(adp, FBIO_MODEINFO, &info);
561 	if (error)
562 	    return error;
563 	if (info.vi_flags & V_INFO_GRAPHICS)
564 	    return sc_set_graphics_mode(scp, tp, *(int *)data);
565 	else
566 	    return sc_set_text_mode(scp, tp, *(int *)data, 0, 0, 0, 0);
567 #endif /* SC_NO_MODE_CHANGE */
568 
569     case OLD_CONS_MODEINFO:	/* get mode information (old infterface) */
570 	info.vi_mode = ((old_video_info_t *)data)->vi_mode;
571 	error = fb_ioctl(adp, FBIO_MODEINFO, &info);
572 	if (error == 0)
573 	    bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
574 	return error;
575 
576     case CONS_MODEINFO:		/* get mode information */
577     case FBIO_MODEINFO:
578 	return fb_ioctl(adp, FBIO_MODEINFO, data);
579 
580     case OLD_CONS_FINDMODE:	/* find a matching video mode (old interface) */
581 	bzero(&info, sizeof(info));
582 	bcopy((old_video_info_t *)data, &info, sizeof(old_video_info_t));
583 	error = fb_ioctl(adp, FBIO_FINDMODE, &info);
584 	if (error == 0)
585 	    bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
586 	return error;
587 
588     case CONS_FINDMODE:		/* find a matching video mode */
589     case FBIO_FINDMODE:
590 	return fb_ioctl(adp, FBIO_FINDMODE, data);
591 
592 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
593     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
594     case _IO('c', 104):
595 	ival = IOCPARM_IVAL(data);
596 	data = (caddr_t)&ival;
597 	/* FALLTHROUGH */
598 #endif
599     case CONS_SETWINORG:	/* set frame buffer window origin */
600     case FBIO_SETWINORG:
601 	if (scp != scp->sc->cur_scp)
602 	    return ENODEV;	/* XXX */
603 	return fb_ioctl(adp, FBIO_SETWINORG, data);
604 
605     case FBIO_GETWINORG:	/* get frame buffer window origin */
606 	if (scp != scp->sc->cur_scp)
607 	    return ENODEV;	/* XXX */
608 	return fb_ioctl(adp, FBIO_GETWINORG, data);
609 
610     case FBIO_GETDISPSTART:
611     case FBIO_SETDISPSTART:
612     case FBIO_GETLINEWIDTH:
613     case FBIO_SETLINEWIDTH:
614 	if (scp != scp->sc->cur_scp)
615 	    return ENODEV;	/* XXX */
616 	return fb_ioctl(adp, cmd, data);
617 
618     case FBIO_GETPALETTE:
619     case FBIO_SETPALETTE:
620     case FBIOPUTCMAP:
621     case FBIOGETCMAP:
622     case FBIOGTYPE:
623     case FBIOGATTR:
624     case FBIOSVIDEO:
625     case FBIOGVIDEO:
626     case FBIOSCURSOR:
627     case FBIOGCURSOR:
628     case FBIOSCURPOS:
629     case FBIOGCURPOS:
630     case FBIOGCURMAX:
631 	if (scp != scp->sc->cur_scp)
632 	    return ENODEV;	/* XXX */
633 	return fb_ioctl(adp, cmd, data);
634 
635     case FBIO_BLANK:
636 	if (scp != scp->sc->cur_scp)
637 	    return ENODEV;	/* XXX */
638 	return fb_ioctl(adp, cmd, data);
639 
640 #ifndef SC_NO_MODE_CHANGE
641     /* generic text modes */
642     case SW_TEXT_80x25:	case SW_TEXT_80x30:
643     case SW_TEXT_80x43: case SW_TEXT_80x50:
644     case SW_TEXT_80x60:
645 	/* FALLTHROUGH */
646 
647     /* VGA TEXT MODES */
648     case SW_VGA_C40x25:
649     case SW_VGA_C80x25: case SW_VGA_M80x25:
650     case SW_VGA_C80x30: case SW_VGA_M80x30:
651     case SW_VGA_C80x50: case SW_VGA_M80x50:
652     case SW_VGA_C80x60: case SW_VGA_M80x60:
653     case SW_VGA_C90x25: case SW_VGA_M90x25:
654     case SW_VGA_C90x30: case SW_VGA_M90x30:
655     case SW_VGA_C90x43: case SW_VGA_M90x43:
656     case SW_VGA_C90x50: case SW_VGA_M90x50:
657     case SW_VGA_C90x60: case SW_VGA_M90x60:
658     case SW_B40x25:     case SW_C40x25:
659     case SW_B80x25:     case SW_C80x25:
660     case SW_ENH_B40x25: case SW_ENH_C40x25:
661     case SW_ENH_B80x25: case SW_ENH_C80x25:
662     case SW_ENH_B80x43: case SW_ENH_C80x43:
663     case SW_EGAMONO80x25:
664 
665 #ifdef PC98
666     /* PC98 TEXT MODES */
667     case SW_PC98_80x25:
668     case SW_PC98_80x30:
669 #endif
670 	if (!(adp->va_flags & V_ADP_MODECHANGE))
671  	    return ENODEV;
672 	return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0, 0);
673 
674     /* GRAPHICS MODES */
675     case SW_BG320:     case SW_BG640:
676     case SW_CG320:     case SW_CG320_D:   case SW_CG640_E:
677     case SW_CG640x350: case SW_ENH_CG640:
678     case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
679     case SW_VGA_MODEX:
680 #ifdef PC98
681     /* PC98 GRAPHICS MODES */
682     case SW_PC98_EGC640x400:	case SW_PC98_PEGC640x400:
683     case SW_PC98_PEGC640x480:
684 #endif
685 	if (!(adp->va_flags & V_ADP_MODECHANGE))
686 	    return ENODEV;
687 	return sc_set_graphics_mode(scp, tp, cmd & 0xff);
688 #endif /* SC_NO_MODE_CHANGE */
689 
690 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
691     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
692     case _IO('K', 10):
693 	ival = IOCPARM_IVAL(data);
694 	data = (caddr_t)&ival;
695 	/* FALLTHROUGH */
696 #endif
697     case KDSETMODE:     	/* set current mode of this (virtual) console */
698 	switch (*(int *)data) {
699 	case KD_TEXT:   	/* switch to TEXT (known) mode */
700 	    /*
701 	     * If scp->mode is of graphics modes, we don't know which
702 	     * text mode to switch back to...
703 	     */
704 	    if (scp->status & GRAPHICS_MODE)
705 		return EINVAL;
706 	    /* restore fonts & palette ! */
707 #if 0
708 #ifndef SC_NO_FONT_LOADING
709 	    if (ISFONTAVAIL(adp->va_flags)
710 		&& !(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
711 		/*
712 		 * FONT KLUDGE
713 		 * Don't load fonts for now... XXX
714 		 */
715 		if (scp->sc->fonts_loaded & FONT_8)
716 		    sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256);
717 		if (scp->sc->fonts_loaded & FONT_14)
718 		    sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256);
719 		if (scp->sc->fonts_loaded & FONT_16)
720 		    sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256);
721 	    }
722 #endif /* SC_NO_FONT_LOADING */
723 #endif
724 
725 #ifndef SC_NO_PALETTE_LOADING
726 	    vidd_load_palette(adp, scp->sc->palette);
727 #endif
728 
729 #ifndef PC98
730 	    /* move hardware cursor out of the way */
731 	    vidd_set_hw_cursor(adp, -1, -1);
732 #endif
733 
734 	    /* FALLTHROUGH */
735 
736 	case KD_TEXT1:  	/* switch to TEXT (known) mode */
737 	    /*
738 	     * If scp->mode is of graphics modes, we don't know which
739 	     * text/pixel mode to switch back to...
740 	     */
741 	    if (scp->status & GRAPHICS_MODE)
742 		return EINVAL;
743 	    s = spltty();
744 	    if ((error = sc_clean_up(scp))) {
745 		splx(s);
746 		return error;
747 	    }
748 #ifndef PC98
749 	    scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
750 	    splx(s);
751 	    /* no restore fonts & palette */
752 	    if (scp == scp->sc->cur_scp)
753 		set_mode(scp);
754 	    sc_clear_screen(scp);
755 	    scp->status &= ~UNKNOWN_MODE;
756 #else /* PC98 */
757 	    scp->status &= ~UNKNOWN_MODE;
758 	    /* no restore fonts & palette */
759 	    if (scp == scp->sc->cur_scp)
760 		set_mode(scp);
761 	    sc_clear_screen(scp);
762 	    splx(s);
763 #endif /* PC98 */
764 	    return 0;
765 
766 #ifdef SC_PIXEL_MODE
767 	case KD_PIXEL:		/* pixel (raster) display */
768 	    if (!(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
769 		return EINVAL;
770 	    if (scp->status & GRAPHICS_MODE)
771 		return sc_set_pixel_mode(scp, tp, scp->xsize, scp->ysize,
772 					 scp->font_size, scp->font_width);
773 	    s = spltty();
774 	    if ((error = sc_clean_up(scp))) {
775 		splx(s);
776 		return error;
777 	    }
778 	    scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
779 	    splx(s);
780 	    if (scp == scp->sc->cur_scp) {
781 		set_mode(scp);
782 #ifndef SC_NO_PALETTE_LOADING
783 		vidd_load_palette(adp, scp->sc->palette);
784 #endif
785 	    }
786 	    sc_clear_screen(scp);
787 	    scp->status &= ~UNKNOWN_MODE;
788 	    return 0;
789 #endif /* SC_PIXEL_MODE */
790 
791 	case KD_GRAPHICS:	/* switch to GRAPHICS (unknown) mode */
792 	    s = spltty();
793 	    if ((error = sc_clean_up(scp))) {
794 		splx(s);
795 		return error;
796 	    }
797 	    scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
798 	    splx(s);
799 #ifdef PC98
800 	    if (scp == scp->sc->cur_scp)
801 		set_mode(scp);
802 #endif
803 	    return 0;
804 
805 	default:
806 	    return EINVAL;
807 	}
808 	/* NOT REACHED */
809 
810 #ifdef SC_PIXEL_MODE
811     case KDRASTER:		/* set pixel (raster) display mode */
812 	if (ISUNKNOWNSC(scp) || ISTEXTSC(scp))
813 	    return ENODEV;
814 	return sc_set_pixel_mode(scp, tp, ((int *)data)[0], ((int *)data)[1],
815 				 ((int *)data)[2], 8);
816 #endif /* SC_PIXEL_MODE */
817 
818     case KDGETMODE:     	/* get current mode of this (virtual) console */
819 	/*
820 	 * From the user program's point of view, KD_PIXEL is the same
821 	 * as KD_TEXT...
822 	 */
823 	*data = ISGRAPHSC(scp) ? KD_GRAPHICS : KD_TEXT;
824 	return 0;
825 
826 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
827     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
828     case _IO('K', 13):
829 	ival = IOCPARM_IVAL(data);
830 	data = (caddr_t)&ival;
831 	/* FALLTHROUGH */
832 #endif
833     case KDSBORDER:     	/* set border color of this (virtual) console */
834 	scp->border = *(int *)data;
835 	if (scp == scp->sc->cur_scp)
836 	    sc_set_border(scp, scp->border);
837 	return 0;
838     }
839 
840     return ENOIOCTL;
841 }
842 
843 static LIST_HEAD(, sc_renderer) sc_rndr_list =
844 	LIST_HEAD_INITIALIZER(sc_rndr_list);
845 
846 int
847 sc_render_add(sc_renderer_t *rndr)
848 {
849 	LIST_INSERT_HEAD(&sc_rndr_list, rndr, link);
850 	return 0;
851 }
852 
853 int
854 sc_render_remove(sc_renderer_t *rndr)
855 {
856 	/*
857 	LIST_REMOVE(rndr, link);
858 	*/
859 	return EBUSY;	/* XXX */
860 }
861 
862 sc_rndr_sw_t
863 *sc_render_match(scr_stat *scp, char *name, int mode)
864 {
865 	const sc_renderer_t **list;
866 	const sc_renderer_t *p;
867 
868 	if (!LIST_EMPTY(&sc_rndr_list)) {
869 		LIST_FOREACH(p, &sc_rndr_list, link) {
870 			if ((strcmp(p->name, name) == 0)
871 				&& (mode == p->mode)) {
872 				scp->status &=
873 				    ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
874 				return p->rndrsw;
875 			}
876 		}
877 	} else {
878 		SET_FOREACH(list, scrndr_set) {
879 			p = *list;
880 			if ((strcmp(p->name, name) == 0)
881 				&& (mode == p->mode)) {
882 				scp->status &=
883 				    ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
884 				return p->rndrsw;
885 			}
886 		}
887 	}
888 
889 	return NULL;
890 }
891