xref: /freebsd/sys/dev/syscons/scvidctl.c (revision eb6d21b4ca6d668cf89afd99eef7baeafa712197)
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 
245 	tty_signal_pgrp(tp, SIGWINCH);
246     }
247 
248     return 0;
249 }
250 
251 int
252 sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode)
253 {
254 #ifdef SC_NO_MODE_CHANGE
255     return ENODEV;
256 #else
257     video_info_t info;
258     int error;
259     int s;
260 
261     if (vidd_get_info(scp->sc->adp, mode, &info))
262 	return ENODEV;
263 
264     /* stop screen saver, etc */
265     s = spltty();
266     if ((error = sc_clean_up(scp))) {
267 	splx(s);
268 	return error;
269     }
270 
271     if (sc_render_match(scp, scp->sc->adp->va_name, GRAPHICS_MODE) == NULL) {
272 	splx(s);
273 	return ENODEV;
274     }
275 
276     /* set up scp */
277     scp->status |= (UNKNOWN_MODE | GRAPHICS_MODE | MOUSE_HIDDEN);
278     scp->status &= ~(PIXEL_MODE | MOUSE_VISIBLE);
279     scp->mode = mode;
280     /*
281      * Don't change xsize and ysize; preserve the previous vty
282      * and history buffers.
283      */
284     scp->xoff = 0;
285     scp->yoff = 0;
286     scp->xpixel = info.vi_width;
287     scp->ypixel = info.vi_height;
288     scp->font = NULL;
289     scp->font_size = 0;
290 #ifndef SC_NO_SYSMOUSE
291     /* move the mouse cursor at the center of the screen */
292     sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
293 #endif
294     sc_init_emulator(scp, NULL);
295     splx(s);
296 
297     if (scp == scp->sc->cur_scp)
298 	set_mode(scp);
299     /* clear_graphics();*/
300     scp->status &= ~UNKNOWN_MODE;
301 
302     if (tp == NULL)
303 	return 0;
304     if (tp->t_winsize.ws_xpixel != scp->xpixel
305 	|| tp->t_winsize.ws_ypixel != scp->ypixel) {
306 	tp->t_winsize.ws_xpixel = scp->xpixel;
307 	tp->t_winsize.ws_ypixel = scp->ypixel;
308 
309 	tty_signal_pgrp(tp, SIGWINCH);
310     }
311 
312     return 0;
313 #endif /* SC_NO_MODE_CHANGE */
314 }
315 
316 int
317 sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize,
318 		  int fontsize, int fontwidth)
319 {
320 #ifndef SC_PIXEL_MODE
321     return ENODEV;
322 #else
323     video_info_t info;
324     ksiginfo_t ksi;
325     u_char *font;
326     int prev_ysize;
327     int error;
328     int s;
329 
330     if (vidd_get_info(scp->sc->adp, scp->mode, &info))
331 	return ENODEV;		/* this shouldn't happen */
332 
333     /* adjust argument values */
334     if (fontsize <= 0)
335 	fontsize = info.vi_cheight;
336     if (fontsize < 14) {
337 	fontsize = 8;
338 #ifndef SC_NO_FONT_LOADING
339 	if (!(scp->sc->fonts_loaded & FONT_8))
340 	    return EINVAL;
341 	font = scp->sc->font_8;
342 #else
343 	font = NULL;
344 #endif
345     } else if (fontsize >= 16) {
346 	fontsize = 16;
347 #ifndef SC_NO_FONT_LOADING
348 	if (!(scp->sc->fonts_loaded & FONT_16))
349 	    return EINVAL;
350 	font = scp->sc->font_16;
351 #else
352 	font = NULL;
353 #endif
354     } else {
355 	fontsize = 14;
356 #ifndef SC_NO_FONT_LOADING
357 	if (!(scp->sc->fonts_loaded & FONT_14))
358 	    return EINVAL;
359 	font = scp->sc->font_14;
360 #else
361 	font = NULL;
362 #endif
363     }
364     if (xsize <= 0)
365 	xsize = info.vi_width/8;
366     if (ysize <= 0)
367 	ysize = info.vi_height/fontsize;
368 
369     if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize))
370 	return EINVAL;
371 
372     /*
373      * We currently support the following graphic modes:
374      *
375      * - 4 bpp planar modes whose memory size does not exceed 64K
376      * - 15, 16, 24 and 32 bpp linear modes
377      */
378 
379     if (info.vi_mem_model == V_INFO_MM_PLANAR) {
380 	if (info.vi_planes != 4)
381 	    return ENODEV;
382 
383 	/*
384 	 * A memory size >64K requires bank switching to access the entire
385 	 * screen. XXX
386 	 */
387 
388 	if (info.vi_width * info.vi_height / 8 > info.vi_window_size)
389 	    return ENODEV;
390     } else if (info.vi_mem_model == V_INFO_MM_DIRECT) {
391 	if (!(info.vi_flags & V_INFO_LINEAR) &&
392 	    (info.vi_depth != 15) && (info.vi_depth != 16) &&
393 	    (info.vi_depth != 24) && (info.vi_depth != 32))
394 	    return ENODEV;
395     } else if (info.vi_mem_model == V_INFO_MM_PACKED) {
396 	if (!(info.vi_flags & V_INFO_LINEAR) &&
397 	    (info.vi_depth != 8))
398 	    return ENODEV;
399     } else
400 	return ENODEV;
401 
402     /* stop screen saver, etc */
403     s = spltty();
404     if ((error = sc_clean_up(scp))) {
405 	splx(s);
406 	return error;
407     }
408 
409     if (sc_render_match(scp, scp->sc->adp->va_name, PIXEL_MODE) == NULL) {
410 	splx(s);
411 	return ENODEV;
412     }
413 
414 #if 0
415     if (scp->tsw)
416 	(*scp->tsw->te_term)(scp, scp->ts);
417     scp->tsw = NULL;
418     scp->ts = NULL;
419 #endif
420 
421     /* set up scp */
422 #ifndef SC_NO_HISTORY
423     if (scp->history != NULL)
424 	sc_hist_save(scp);
425 #endif
426     prev_ysize = scp->ysize;
427     scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
428     scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE);
429     scp->xsize = xsize;
430     scp->ysize = ysize;
431     scp->xoff = (scp->xpixel/8 - xsize)/2;
432     scp->yoff = (scp->ypixel/fontsize - ysize)/2;
433     scp->font = font;
434     scp->font_size = fontsize;
435     scp->font_width = fontwidth;
436 
437     /* allocate buffers */
438     sc_alloc_scr_buffer(scp, TRUE, TRUE);
439     sc_init_emulator(scp, NULL);
440 #ifndef SC_NO_CUTPASTE
441     sc_alloc_cut_buffer(scp, FALSE);
442 #endif
443 #ifndef SC_NO_HISTORY
444     sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
445 #endif
446     splx(s);
447 
448     if (scp == scp->sc->cur_scp) {
449 	sc_set_border(scp, scp->border);
450 	sc_set_cursor_image(scp);
451     }
452 
453     scp->status &= ~UNKNOWN_MODE;
454 
455     if (tp == NULL)
456 	return 0;
457     if (tp->t_winsize.ws_col != scp->xsize
458 	|| tp->t_winsize.ws_row != scp->ysize) {
459 	tp->t_winsize.ws_col = scp->xsize;
460 	tp->t_winsize.ws_row = scp->ysize;
461 	if (tp->t_pgrp != NULL) {
462 	    ksiginfo_init(&ksi);
463 	    ksi.ksi_signo = SIGWINCH;
464 	    ksi.ksi_code = SI_KERNEL;
465 	    PGRP_LOCK(tp->t_pgrp);
466 	    pgsignal(tp->t_pgrp, SIGWINCH, 1, &ksi);
467 	    PGRP_UNLOCK(tp->t_pgrp);
468 	}
469     }
470 
471     return 0;
472 #endif /* SC_PIXEL_MODE */
473 }
474 
475 #define fb_ioctl(a, c, d)		\
476 	(((a) == NULL) ? ENODEV : 	\
477 			 vidd_ioctl((a), (c), (caddr_t)(d)))
478 
479 int
480 sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
481 {
482     scr_stat *scp;
483     video_adapter_t *adp;
484     video_info_t info;
485     video_adapter_info_t adp_info;
486     int error;
487     int s;
488 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
489     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
490     int ival;
491 #endif
492 
493     scp = SC_STAT(tp);
494     if (scp == NULL)		/* tp == SC_MOUSE */
495 	return ENOIOCTL;
496     adp = scp->sc->adp;
497     if (adp == NULL)		/* shouldn't happen??? */
498 	return ENODEV;
499 
500     switch (cmd) {
501 
502     case CONS_CURRENTADP:	/* get current adapter index */
503     case FBIO_ADAPTER:
504 	return fb_ioctl(adp, FBIO_ADAPTER, data);
505 
506     case CONS_CURRENT:  	/* get current adapter type */
507     case FBIO_ADPTYPE:
508 	return fb_ioctl(adp, FBIO_ADPTYPE, data);
509 
510     case OLD_CONS_ADPINFO:	/* adapter information (old interface) */
511 	if (((old_video_adapter_t *)data)->va_index >= 0) {
512 	    adp = vid_get_adapter(((old_video_adapter_t *)data)->va_index);
513 	    if (adp == NULL)
514 		return ENODEV;
515 	}
516 	((old_video_adapter_t *)data)->va_index = adp->va_index;
517 	((old_video_adapter_t *)data)->va_type = adp->va_type;
518 	((old_video_adapter_t *)data)->va_flags = adp->va_flags;
519 	((old_video_adapter_t *)data)->va_crtc_addr = adp->va_crtc_addr;
520 	((old_video_adapter_t *)data)->va_window = adp->va_window;
521 	((old_video_adapter_t *)data)->va_window_size = adp->va_window_size;
522 	((old_video_adapter_t *)data)->va_window_gran = adp->va_window_gran;
523 	((old_video_adapter_t *)data)->va_buffer = adp->va_buffer;
524 	((old_video_adapter_t *)data)->va_buffer_size = adp->va_buffer_size;
525 	((old_video_adapter_t *)data)->va_mode = adp->va_mode;
526 	((old_video_adapter_t *)data)->va_initial_mode = adp->va_initial_mode;
527 	((old_video_adapter_t *)data)->va_initial_bios_mode
528 	    = adp->va_initial_bios_mode;
529 	return 0;
530 
531     case OLD_CONS_ADPINFO2:	/* adapter information (yet another old I/F) */
532 	adp_info.va_index = ((old_video_adapter_info_t *)data)->va_index;
533 	if (adp_info.va_index >= 0) {
534 	    adp = vid_get_adapter(adp_info.va_index);
535 	    if (adp == NULL)
536 		return ENODEV;
537 	}
538 	error = fb_ioctl(adp, FBIO_ADPINFO, &adp_info);
539 	if (error == 0)
540 	    bcopy(&adp_info, data, sizeof(old_video_adapter_info_t));
541 	return error;
542 
543     case CONS_ADPINFO:		/* adapter information */
544     case FBIO_ADPINFO:
545 	if (((video_adapter_info_t *)data)->va_index >= 0) {
546 	    adp = vid_get_adapter(((video_adapter_info_t *)data)->va_index);
547 	    if (adp == NULL)
548 		return ENODEV;
549 	}
550 	return fb_ioctl(adp, FBIO_ADPINFO, data);
551 
552     case CONS_GET:      	/* get current video mode */
553     case FBIO_GETMODE:
554 	*(int *)data = scp->mode;
555 	return 0;
556 
557 #ifndef SC_NO_MODE_CHANGE
558     case FBIO_SETMODE:		/* set video mode */
559 	if (!(adp->va_flags & V_ADP_MODECHANGE))
560  	    return ENODEV;
561 	info.vi_mode = *(int *)data;
562 	error = fb_ioctl(adp, FBIO_MODEINFO, &info);
563 	if (error)
564 	    return error;
565 	if (info.vi_flags & V_INFO_GRAPHICS)
566 	    return sc_set_graphics_mode(scp, tp, *(int *)data);
567 	else
568 	    return sc_set_text_mode(scp, tp, *(int *)data, 0, 0, 0, 0);
569 #endif /* SC_NO_MODE_CHANGE */
570 
571     case OLD_CONS_MODEINFO:	/* get mode information (old infterface) */
572 	info.vi_mode = ((old_video_info_t *)data)->vi_mode;
573 	error = fb_ioctl(adp, FBIO_MODEINFO, &info);
574 	if (error == 0)
575 	    bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
576 	return error;
577 
578     case CONS_MODEINFO:		/* get mode information */
579     case FBIO_MODEINFO:
580 	return fb_ioctl(adp, FBIO_MODEINFO, data);
581 
582     case OLD_CONS_FINDMODE:	/* find a matching video mode (old interface) */
583 	bzero(&info, sizeof(info));
584 	bcopy((old_video_info_t *)data, &info, sizeof(old_video_info_t));
585 	error = fb_ioctl(adp, FBIO_FINDMODE, &info);
586 	if (error == 0)
587 	    bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
588 	return error;
589 
590     case CONS_FINDMODE:		/* find a matching video mode */
591     case FBIO_FINDMODE:
592 	return fb_ioctl(adp, FBIO_FINDMODE, data);
593 
594 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
595     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
596     case _IO('c', 104):
597 	ival = IOCPARM_IVAL(data);
598 	data = (caddr_t)&ival;
599 	/* FALLTHROUGH */
600 #endif
601     case CONS_SETWINORG:	/* set frame buffer window origin */
602     case FBIO_SETWINORG:
603 	if (scp != scp->sc->cur_scp)
604 	    return ENODEV;	/* XXX */
605 	return fb_ioctl(adp, FBIO_SETWINORG, data);
606 
607     case FBIO_GETWINORG:	/* get frame buffer window origin */
608 	if (scp != scp->sc->cur_scp)
609 	    return ENODEV;	/* XXX */
610 	return fb_ioctl(adp, FBIO_GETWINORG, data);
611 
612     case FBIO_GETDISPSTART:
613     case FBIO_SETDISPSTART:
614     case FBIO_GETLINEWIDTH:
615     case FBIO_SETLINEWIDTH:
616 	if (scp != scp->sc->cur_scp)
617 	    return ENODEV;	/* XXX */
618 	return fb_ioctl(adp, cmd, data);
619 
620     case FBIO_GETPALETTE:
621     case FBIO_SETPALETTE:
622     case FBIOPUTCMAP:
623     case FBIOGETCMAP:
624     case FBIOGTYPE:
625     case FBIOGATTR:
626     case FBIOSVIDEO:
627     case FBIOGVIDEO:
628     case FBIOSCURSOR:
629     case FBIOGCURSOR:
630     case FBIOSCURPOS:
631     case FBIOGCURPOS:
632     case FBIOGCURMAX:
633 	if (scp != scp->sc->cur_scp)
634 	    return ENODEV;	/* XXX */
635 	return fb_ioctl(adp, cmd, data);
636 
637     case FBIO_BLANK:
638 	if (scp != scp->sc->cur_scp)
639 	    return ENODEV;	/* XXX */
640 	return fb_ioctl(adp, cmd, data);
641 
642 #ifndef SC_NO_MODE_CHANGE
643     /* generic text modes */
644     case SW_TEXT_80x25:	case SW_TEXT_80x30:
645     case SW_TEXT_80x43: case SW_TEXT_80x50:
646     case SW_TEXT_80x60:
647 	/* FALLTHROUGH */
648 
649     /* VGA TEXT MODES */
650     case SW_VGA_C40x25:
651     case SW_VGA_C80x25: case SW_VGA_M80x25:
652     case SW_VGA_C80x30: case SW_VGA_M80x30:
653     case SW_VGA_C80x50: case SW_VGA_M80x50:
654     case SW_VGA_C80x60: case SW_VGA_M80x60:
655     case SW_VGA_C90x25: case SW_VGA_M90x25:
656     case SW_VGA_C90x30: case SW_VGA_M90x30:
657     case SW_VGA_C90x43: case SW_VGA_M90x43:
658     case SW_VGA_C90x50: case SW_VGA_M90x50:
659     case SW_VGA_C90x60: case SW_VGA_M90x60:
660     case SW_B40x25:     case SW_C40x25:
661     case SW_B80x25:     case SW_C80x25:
662     case SW_ENH_B40x25: case SW_ENH_C40x25:
663     case SW_ENH_B80x25: case SW_ENH_C80x25:
664     case SW_ENH_B80x43: case SW_ENH_C80x43:
665     case SW_EGAMONO80x25:
666 
667 #ifdef PC98
668     /* PC98 TEXT MODES */
669     case SW_PC98_80x25:
670     case SW_PC98_80x30:
671 #endif
672 	if (!(adp->va_flags & V_ADP_MODECHANGE))
673  	    return ENODEV;
674 	return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0, 0);
675 
676     /* GRAPHICS MODES */
677     case SW_BG320:     case SW_BG640:
678     case SW_CG320:     case SW_CG320_D:   case SW_CG640_E:
679     case SW_CG640x350: case SW_ENH_CG640:
680     case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
681     case SW_VGA_MODEX:
682 #ifdef PC98
683     /* PC98 GRAPHICS MODES */
684     case SW_PC98_EGC640x400:	case SW_PC98_PEGC640x400:
685     case SW_PC98_PEGC640x480:
686 #endif
687 	if (!(adp->va_flags & V_ADP_MODECHANGE))
688 	    return ENODEV;
689 	return sc_set_graphics_mode(scp, tp, cmd & 0xff);
690 #endif /* SC_NO_MODE_CHANGE */
691 
692 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
693     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
694     case _IO('K', 10):
695 	ival = IOCPARM_IVAL(data);
696 	data = (caddr_t)&ival;
697 	/* FALLTHROUGH */
698 #endif
699     case KDSETMODE:     	/* set current mode of this (virtual) console */
700 	switch (*(int *)data) {
701 	case KD_TEXT:   	/* switch to TEXT (known) mode */
702 	    /*
703 	     * If scp->mode is of graphics modes, we don't know which
704 	     * text mode to switch back to...
705 	     */
706 	    if (scp->status & GRAPHICS_MODE)
707 		return EINVAL;
708 	    /* restore fonts & palette ! */
709 #if 0
710 #ifndef SC_NO_FONT_LOADING
711 	    if (ISFONTAVAIL(adp->va_flags)
712 		&& !(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
713 		/*
714 		 * FONT KLUDGE
715 		 * Don't load fonts for now... XXX
716 		 */
717 		if (scp->sc->fonts_loaded & FONT_8)
718 		    sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256);
719 		if (scp->sc->fonts_loaded & FONT_14)
720 		    sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256);
721 		if (scp->sc->fonts_loaded & FONT_16)
722 		    sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256);
723 	    }
724 #endif /* SC_NO_FONT_LOADING */
725 #endif
726 
727 #ifndef SC_NO_PALETTE_LOADING
728 	    vidd_load_palette(adp, scp->sc->palette);
729 #endif
730 
731 #ifndef PC98
732 	    /* move hardware cursor out of the way */
733 	    vidd_set_hw_cursor(adp, -1, -1);
734 #endif
735 
736 	    /* FALLTHROUGH */
737 
738 	case KD_TEXT1:  	/* switch to TEXT (known) mode */
739 	    /*
740 	     * If scp->mode is of graphics modes, we don't know which
741 	     * text/pixel mode to switch back to...
742 	     */
743 	    if (scp->status & GRAPHICS_MODE)
744 		return EINVAL;
745 	    s = spltty();
746 	    if ((error = sc_clean_up(scp))) {
747 		splx(s);
748 		return error;
749 	    }
750 #ifndef PC98
751 	    scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
752 	    splx(s);
753 	    /* no restore fonts & palette */
754 	    if (scp == scp->sc->cur_scp)
755 		set_mode(scp);
756 	    sc_clear_screen(scp);
757 	    scp->status &= ~UNKNOWN_MODE;
758 #else /* PC98 */
759 	    scp->status &= ~UNKNOWN_MODE;
760 	    /* no restore fonts & palette */
761 	    if (scp == scp->sc->cur_scp)
762 		set_mode(scp);
763 	    sc_clear_screen(scp);
764 	    splx(s);
765 #endif /* PC98 */
766 	    return 0;
767 
768 #ifdef SC_PIXEL_MODE
769 	case KD_PIXEL:		/* pixel (raster) display */
770 	    if (!(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
771 		return EINVAL;
772 	    if (scp->status & GRAPHICS_MODE)
773 		return sc_set_pixel_mode(scp, tp, scp->xsize, scp->ysize,
774 					 scp->font_size, scp->font_width);
775 	    s = spltty();
776 	    if ((error = sc_clean_up(scp))) {
777 		splx(s);
778 		return error;
779 	    }
780 	    scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
781 	    splx(s);
782 	    if (scp == scp->sc->cur_scp) {
783 		set_mode(scp);
784 #ifndef SC_NO_PALETTE_LOADING
785 		vidd_load_palette(adp, scp->sc->palette);
786 #endif
787 	    }
788 	    sc_clear_screen(scp);
789 	    scp->status &= ~UNKNOWN_MODE;
790 	    return 0;
791 #endif /* SC_PIXEL_MODE */
792 
793 	case KD_GRAPHICS:	/* switch to GRAPHICS (unknown) mode */
794 	    s = spltty();
795 	    if ((error = sc_clean_up(scp))) {
796 		splx(s);
797 		return error;
798 	    }
799 	    scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
800 	    splx(s);
801 #ifdef PC98
802 	    if (scp == scp->sc->cur_scp)
803 		set_mode(scp);
804 #endif
805 	    return 0;
806 
807 	default:
808 	    return EINVAL;
809 	}
810 	/* NOT REACHED */
811 
812 #ifdef SC_PIXEL_MODE
813     case KDRASTER:		/* set pixel (raster) display mode */
814 	if (ISUNKNOWNSC(scp) || ISTEXTSC(scp))
815 	    return ENODEV;
816 	return sc_set_pixel_mode(scp, tp, ((int *)data)[0], ((int *)data)[1],
817 				 ((int *)data)[2], 8);
818 #endif /* SC_PIXEL_MODE */
819 
820     case KDGETMODE:     	/* get current mode of this (virtual) console */
821 	/*
822 	 * From the user program's point of view, KD_PIXEL is the same
823 	 * as KD_TEXT...
824 	 */
825 	*data = ISGRAPHSC(scp) ? KD_GRAPHICS : KD_TEXT;
826 	return 0;
827 
828 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
829     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
830     case _IO('K', 13):
831 	ival = IOCPARM_IVAL(data);
832 	data = (caddr_t)&ival;
833 	/* FALLTHROUGH */
834 #endif
835     case KDSBORDER:     	/* set border color of this (virtual) console */
836 	scp->border = *(int *)data;
837 	if (scp == scp->sc->cur_scp)
838 	    sc_set_border(scp, scp->border);
839 	return 0;
840     }
841 
842     return ENOIOCTL;
843 }
844 
845 static LIST_HEAD(, sc_renderer) sc_rndr_list =
846 	LIST_HEAD_INITIALIZER(sc_rndr_list);
847 
848 int
849 sc_render_add(sc_renderer_t *rndr)
850 {
851 	LIST_INSERT_HEAD(&sc_rndr_list, rndr, link);
852 	return 0;
853 }
854 
855 int
856 sc_render_remove(sc_renderer_t *rndr)
857 {
858 	/*
859 	LIST_REMOVE(rndr, link);
860 	*/
861 	return EBUSY;	/* XXX */
862 }
863 
864 sc_rndr_sw_t
865 *sc_render_match(scr_stat *scp, char *name, int mode)
866 {
867 	const sc_renderer_t **list;
868 	const sc_renderer_t *p;
869 
870 	if (!LIST_EMPTY(&sc_rndr_list)) {
871 		LIST_FOREACH(p, &sc_rndr_list, link) {
872 			if ((strcmp(p->name, name) == 0)
873 				&& (mode == p->mode)) {
874 				scp->status &=
875 				    ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
876 				return p->rndrsw;
877 			}
878 		}
879 	} else {
880 		SET_FOREACH(list, scrndr_set) {
881 			p = *list;
882 			if ((strcmp(p->name, name) == 0)
883 				&& (mode == p->mode)) {
884 				scp->status &=
885 				    ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
886 				return p->rndrsw;
887 			}
888 		}
889 	}
890 
891 	return NULL;
892 }
893