xref: /freebsd/sys/dev/syscons/scvidctl.c (revision 884a2a699669ec61e2366e3e358342dbc94be24a)
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     else if (fontsize >= 16)
156 	fontsize = 16;
157     else
158 	fontsize = 14;
159 #ifndef SC_NO_FONT_LOADING
160     switch (fontsize) {
161     case 8:
162 	if ((scp->sc->fonts_loaded & FONT_8) == 0)
163 	    return (EINVAL);
164 	font = scp->sc->font_8;
165 	break;
166     case 14:
167 	if ((scp->sc->fonts_loaded & FONT_14) == 0)
168 	    return (EINVAL);
169 	font = scp->sc->font_14;
170 	break;
171     case 16:
172 	if ((scp->sc->fonts_loaded & FONT_16) == 0)
173 	    return (EINVAL);
174 	font = scp->sc->font_16;
175 	break;
176     }
177 #else
178     font = NULL;
179 #endif
180     if ((xsize <= 0) || (xsize > info.vi_width))
181 	xsize = info.vi_width;
182     if ((ysize <= 0) || (ysize > info.vi_height))
183 	ysize = info.vi_height;
184 
185     /* stop screen saver, etc */
186     s = spltty();
187     if ((error = sc_clean_up(scp))) {
188 	splx(s);
189 	return error;
190     }
191 
192     if (sc_render_match(scp, scp->sc->adp->va_name, 0) == NULL) {
193 	splx(s);
194 	return ENODEV;
195     }
196 
197     /* set up scp */
198 #ifndef SC_NO_HISTORY
199     if (scp->history != NULL)
200 	sc_hist_save(scp);
201 #endif
202     prev_ysize = scp->ysize;
203     /*
204      * This is a kludge to fend off scrn_update() while we
205      * muck around with scp. XXX
206      */
207     scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
208     scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE | MOUSE_VISIBLE);
209     scp->mode = mode;
210     scp->xsize = xsize;
211     scp->ysize = ysize;
212     scp->xoff = 0;
213     scp->yoff = 0;
214     scp->xpixel = scp->xsize*8;
215     scp->ypixel = scp->ysize*fontsize;
216     scp->font = font;
217     scp->font_size = fontsize;
218     scp->font_width = fontwidth;
219 
220     /* allocate buffers */
221     sc_alloc_scr_buffer(scp, TRUE, TRUE);
222     sc_init_emulator(scp, NULL);
223 #ifndef SC_NO_CUTPASTE
224     sc_alloc_cut_buffer(scp, FALSE);
225 #endif
226 #ifndef SC_NO_HISTORY
227     sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
228 #endif
229     splx(s);
230 
231     if (scp == scp->sc->cur_scp)
232 	set_mode(scp);
233     scp->status &= ~UNKNOWN_MODE;
234 
235     if (tp == NULL)
236 	return 0;
237     DPRINTF(5, ("ws_*size (%d,%d), size (%d,%d)\n",
238 	tp->t_winsize.ws_col, tp->t_winsize.ws_row, scp->xsize, scp->ysize));
239     if (tp->t_winsize.ws_col != scp->xsize
240 	|| tp->t_winsize.ws_row != scp->ysize) {
241 	tp->t_winsize.ws_col = scp->xsize;
242 	tp->t_winsize.ws_row = scp->ysize;
243 
244 	tty_signal_pgrp(tp, SIGWINCH);
245     }
246 
247     return 0;
248 }
249 
250 int
251 sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode)
252 {
253 #ifdef SC_NO_MODE_CHANGE
254     return ENODEV;
255 #else
256     video_info_t info;
257     int error;
258     int s;
259 
260     if (vidd_get_info(scp->sc->adp, mode, &info))
261 	return ENODEV;
262 
263     /* stop screen saver, etc */
264     s = spltty();
265     if ((error = sc_clean_up(scp))) {
266 	splx(s);
267 	return error;
268     }
269 
270     if (sc_render_match(scp, scp->sc->adp->va_name, GRAPHICS_MODE) == NULL) {
271 	splx(s);
272 	return ENODEV;
273     }
274 
275     /* set up scp */
276     scp->status |= (UNKNOWN_MODE | GRAPHICS_MODE | MOUSE_HIDDEN);
277     scp->status &= ~(PIXEL_MODE | MOUSE_VISIBLE);
278     scp->mode = mode;
279     /*
280      * Don't change xsize and ysize; preserve the previous vty
281      * and history buffers.
282      */
283     scp->xoff = 0;
284     scp->yoff = 0;
285     scp->xpixel = info.vi_width;
286     scp->ypixel = info.vi_height;
287     scp->font = NULL;
288     scp->font_size = 0;
289 #ifndef SC_NO_SYSMOUSE
290     /* move the mouse cursor at the center of the screen */
291     sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
292 #endif
293     sc_init_emulator(scp, NULL);
294     splx(s);
295 
296     if (scp == scp->sc->cur_scp)
297 	set_mode(scp);
298     /* clear_graphics();*/
299     scp->status &= ~UNKNOWN_MODE;
300 
301     if (tp == NULL)
302 	return 0;
303     if (tp->t_winsize.ws_xpixel != scp->xpixel
304 	|| tp->t_winsize.ws_ypixel != scp->ypixel) {
305 	tp->t_winsize.ws_xpixel = scp->xpixel;
306 	tp->t_winsize.ws_ypixel = scp->ypixel;
307 
308 	tty_signal_pgrp(tp, SIGWINCH);
309     }
310 
311     return 0;
312 #endif /* SC_NO_MODE_CHANGE */
313 }
314 
315 int
316 sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize,
317 		  int fontsize, int fontwidth)
318 {
319 #ifndef SC_PIXEL_MODE
320     return ENODEV;
321 #else
322     video_info_t info;
323     ksiginfo_t ksi;
324     u_char *font;
325     int prev_ysize;
326     int error;
327     int s;
328 
329     if (vidd_get_info(scp->sc->adp, scp->mode, &info))
330 	return ENODEV;		/* this shouldn't happen */
331 
332     /* adjust argument values */
333     if (fontsize <= 0)
334 	fontsize = info.vi_cheight;
335     if (fontsize < 14)
336 	fontsize = 8;
337     else if (fontsize >= 16)
338 	fontsize = 16;
339     else
340 	fontsize = 14;
341 #ifndef SC_NO_FONT_LOADING
342     switch (fontsize) {
343     case 8:
344 	if ((scp->sc->fonts_loaded & FONT_8) == 0)
345 	    return (EINVAL);
346 	font = scp->sc->font_8;
347 	break;
348     case 14:
349 	if ((scp->sc->fonts_loaded & FONT_14) == 0)
350 	    return (EINVAL);
351 	font = scp->sc->font_14;
352 	break;
353     case 16:
354 	if ((scp->sc->fonts_loaded & FONT_16) == 0)
355 	    return (EINVAL);
356 	font = scp->sc->font_16;
357 	break;
358     }
359 #else
360     font = NULL;
361 #endif
362     if (xsize <= 0)
363 	xsize = info.vi_width/8;
364     if (ysize <= 0)
365 	ysize = info.vi_height/fontsize;
366 
367     if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize))
368 	return EINVAL;
369 
370     if (!sc_support_pixel_mode(&info))
371 	return ENODEV;
372 
373     /* stop screen saver, etc */
374     s = spltty();
375     if ((error = sc_clean_up(scp))) {
376 	splx(s);
377 	return error;
378     }
379 
380     if (sc_render_match(scp, scp->sc->adp->va_name, PIXEL_MODE) == NULL) {
381 	splx(s);
382 	return ENODEV;
383     }
384 
385 #if 0
386     if (scp->tsw)
387 	(*scp->tsw->te_term)(scp, scp->ts);
388     scp->tsw = NULL;
389     scp->ts = NULL;
390 #endif
391 
392     /* set up scp */
393 #ifndef SC_NO_HISTORY
394     if (scp->history != NULL)
395 	sc_hist_save(scp);
396 #endif
397     prev_ysize = scp->ysize;
398     scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
399     scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE);
400     scp->xsize = xsize;
401     scp->ysize = ysize;
402     scp->xoff = (scp->xpixel/8 - xsize)/2;
403     scp->yoff = (scp->ypixel/fontsize - ysize)/2;
404     scp->font = font;
405     scp->font_size = fontsize;
406     scp->font_width = fontwidth;
407 
408     /* allocate buffers */
409     sc_alloc_scr_buffer(scp, TRUE, TRUE);
410     sc_init_emulator(scp, NULL);
411 #ifndef SC_NO_CUTPASTE
412     sc_alloc_cut_buffer(scp, FALSE);
413 #endif
414 #ifndef SC_NO_HISTORY
415     sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
416 #endif
417     splx(s);
418 
419     if (scp == scp->sc->cur_scp) {
420 	sc_set_border(scp, scp->border);
421 	sc_set_cursor_image(scp);
422     }
423 
424     scp->status &= ~UNKNOWN_MODE;
425 
426     if (tp == NULL)
427 	return 0;
428     if (tp->t_winsize.ws_col != scp->xsize
429 	|| tp->t_winsize.ws_row != scp->ysize) {
430 	tp->t_winsize.ws_col = scp->xsize;
431 	tp->t_winsize.ws_row = scp->ysize;
432 	if (tp->t_pgrp != NULL) {
433 	    ksiginfo_init(&ksi);
434 	    ksi.ksi_signo = SIGWINCH;
435 	    ksi.ksi_code = SI_KERNEL;
436 	    PGRP_LOCK(tp->t_pgrp);
437 	    pgsignal(tp->t_pgrp, SIGWINCH, 1, &ksi);
438 	    PGRP_UNLOCK(tp->t_pgrp);
439 	}
440     }
441 
442     return 0;
443 #endif /* SC_PIXEL_MODE */
444 }
445 
446 int
447 sc_support_pixel_mode(void *arg)
448 {
449 #ifdef SC_PIXEL_MODE
450 	video_info_t *info = arg;
451 
452 	if ((info->vi_flags & V_INFO_GRAPHICS) == 0)
453 		return (0);
454 
455 	/*
456 	 * We currently support the following graphic modes:
457 	 *
458 	 * - 4 bpp planar modes whose memory size does not exceed 64K
459 	 * - 15, 16, 24 and 32 bpp linear modes
460 	 */
461 	switch (info->vi_mem_model) {
462 	case V_INFO_MM_PLANAR:
463 		if (info->vi_planes != 4)
464 			break;
465 		/*
466 		 * A memory size >64K requires bank switching to access
467 		 * the entire screen. XXX
468 		 */
469 		if (info->vi_width * info->vi_height / 8 > info->vi_window_size)
470 			break;
471 		return (1);
472 	case V_INFO_MM_DIRECT:
473 		if ((info->vi_flags & V_INFO_LINEAR) == 0 &&
474 		    info->vi_depth != 15 && info->vi_depth != 16 &&
475 		    info->vi_depth != 24 && info->vi_depth != 32)
476 			break;
477 		return (1);
478 	case V_INFO_MM_PACKED:
479 		if ((info->vi_flags & V_INFO_LINEAR) == 0 &&
480 		    info->vi_depth != 8)
481 			break;
482 		return (1);
483 	}
484 #endif
485 	return (0);
486 }
487 
488 #define fb_ioctl(a, c, d)		\
489 	(((a) == NULL) ? ENODEV : 	\
490 			 vidd_ioctl((a), (c), (caddr_t)(d)))
491 
492 int
493 sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
494 {
495     scr_stat *scp;
496     video_adapter_t *adp;
497     video_info_t info;
498     video_adapter_info_t adp_info;
499     int error;
500     int s;
501 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
502     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
503     int ival;
504 #endif
505 
506     scp = SC_STAT(tp);
507     if (scp == NULL)		/* tp == SC_MOUSE */
508 	return ENOIOCTL;
509     adp = scp->sc->adp;
510     if (adp == NULL)		/* shouldn't happen??? */
511 	return ENODEV;
512 
513     switch (cmd) {
514 
515     case CONS_CURRENTADP:	/* get current adapter index */
516     case FBIO_ADAPTER:
517 	return fb_ioctl(adp, FBIO_ADAPTER, data);
518 
519     case CONS_CURRENT:  	/* get current adapter type */
520     case FBIO_ADPTYPE:
521 	return fb_ioctl(adp, FBIO_ADPTYPE, data);
522 
523     case OLD_CONS_ADPINFO:	/* adapter information (old interface) */
524 	if (((old_video_adapter_t *)data)->va_index >= 0) {
525 	    adp = vid_get_adapter(((old_video_adapter_t *)data)->va_index);
526 	    if (adp == NULL)
527 		return ENODEV;
528 	}
529 	((old_video_adapter_t *)data)->va_index = adp->va_index;
530 	((old_video_adapter_t *)data)->va_type = adp->va_type;
531 	((old_video_adapter_t *)data)->va_flags = adp->va_flags;
532 	((old_video_adapter_t *)data)->va_crtc_addr = adp->va_crtc_addr;
533 	((old_video_adapter_t *)data)->va_window = adp->va_window;
534 	((old_video_adapter_t *)data)->va_window_size = adp->va_window_size;
535 	((old_video_adapter_t *)data)->va_window_gran = adp->va_window_gran;
536 	((old_video_adapter_t *)data)->va_buffer = adp->va_buffer;
537 	((old_video_adapter_t *)data)->va_buffer_size = adp->va_buffer_size;
538 	((old_video_adapter_t *)data)->va_mode = adp->va_mode;
539 	((old_video_adapter_t *)data)->va_initial_mode = adp->va_initial_mode;
540 	((old_video_adapter_t *)data)->va_initial_bios_mode
541 	    = adp->va_initial_bios_mode;
542 	return 0;
543 
544     case OLD_CONS_ADPINFO2:	/* adapter information (yet another old I/F) */
545 	adp_info.va_index = ((old_video_adapter_info_t *)data)->va_index;
546 	if (adp_info.va_index >= 0) {
547 	    adp = vid_get_adapter(adp_info.va_index);
548 	    if (adp == NULL)
549 		return ENODEV;
550 	}
551 	error = fb_ioctl(adp, FBIO_ADPINFO, &adp_info);
552 	if (error == 0)
553 	    bcopy(&adp_info, data, sizeof(old_video_adapter_info_t));
554 	return error;
555 
556     case CONS_ADPINFO:		/* adapter information */
557     case FBIO_ADPINFO:
558 	if (((video_adapter_info_t *)data)->va_index >= 0) {
559 	    adp = vid_get_adapter(((video_adapter_info_t *)data)->va_index);
560 	    if (adp == NULL)
561 		return ENODEV;
562 	}
563 	return fb_ioctl(adp, FBIO_ADPINFO, data);
564 
565     case CONS_GET:      	/* get current video mode */
566     case FBIO_GETMODE:
567 	*(int *)data = scp->mode;
568 	return 0;
569 
570 #ifndef SC_NO_MODE_CHANGE
571     case FBIO_SETMODE:		/* set video mode */
572 	if (!(adp->va_flags & V_ADP_MODECHANGE))
573  	    return ENODEV;
574 	info.vi_mode = *(int *)data;
575 	error = fb_ioctl(adp, FBIO_MODEINFO, &info);
576 	if (error)
577 	    return error;
578 	if (info.vi_flags & V_INFO_GRAPHICS)
579 	    return sc_set_graphics_mode(scp, tp, *(int *)data);
580 	else
581 	    return sc_set_text_mode(scp, tp, *(int *)data, 0, 0, 0, 0);
582 #endif /* SC_NO_MODE_CHANGE */
583 
584     case OLD_CONS_MODEINFO:	/* get mode information (old infterface) */
585 	info.vi_mode = ((old_video_info_t *)data)->vi_mode;
586 	error = fb_ioctl(adp, FBIO_MODEINFO, &info);
587 	if (error == 0)
588 	    bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
589 	return error;
590 
591     case CONS_MODEINFO:		/* get mode information */
592     case FBIO_MODEINFO:
593 	return fb_ioctl(adp, FBIO_MODEINFO, data);
594 
595     case OLD_CONS_FINDMODE:	/* find a matching video mode (old interface) */
596 	bzero(&info, sizeof(info));
597 	bcopy((old_video_info_t *)data, &info, sizeof(old_video_info_t));
598 	error = fb_ioctl(adp, FBIO_FINDMODE, &info);
599 	if (error == 0)
600 	    bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
601 	return error;
602 
603     case CONS_FINDMODE:		/* find a matching video mode */
604     case FBIO_FINDMODE:
605 	return fb_ioctl(adp, FBIO_FINDMODE, data);
606 
607 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
608     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
609     case _IO('c', 104):
610 	ival = IOCPARM_IVAL(data);
611 	data = (caddr_t)&ival;
612 	/* FALLTHROUGH */
613 #endif
614     case CONS_SETWINORG:	/* set frame buffer window origin */
615     case FBIO_SETWINORG:
616 	if (scp != scp->sc->cur_scp)
617 	    return ENODEV;	/* XXX */
618 	return fb_ioctl(adp, FBIO_SETWINORG, data);
619 
620     case FBIO_GETWINORG:	/* get frame buffer window origin */
621 	if (scp != scp->sc->cur_scp)
622 	    return ENODEV;	/* XXX */
623 	return fb_ioctl(adp, FBIO_GETWINORG, data);
624 
625     case FBIO_GETDISPSTART:
626     case FBIO_SETDISPSTART:
627     case FBIO_GETLINEWIDTH:
628     case FBIO_SETLINEWIDTH:
629 	if (scp != scp->sc->cur_scp)
630 	    return ENODEV;	/* XXX */
631 	return fb_ioctl(adp, cmd, data);
632 
633     case FBIO_GETPALETTE:
634     case FBIO_SETPALETTE:
635     case FBIOPUTCMAP:
636     case FBIOGETCMAP:
637     case FBIOGTYPE:
638     case FBIOGATTR:
639     case FBIOSVIDEO:
640     case FBIOGVIDEO:
641     case FBIOSCURSOR:
642     case FBIOGCURSOR:
643     case FBIOSCURPOS:
644     case FBIOGCURPOS:
645     case FBIOGCURMAX:
646 	if (scp != scp->sc->cur_scp)
647 	    return ENODEV;	/* XXX */
648 	return fb_ioctl(adp, cmd, data);
649 
650     case FBIO_BLANK:
651 	if (scp != scp->sc->cur_scp)
652 	    return ENODEV;	/* XXX */
653 	return fb_ioctl(adp, cmd, data);
654 
655 #ifndef SC_NO_MODE_CHANGE
656     /* generic text modes */
657     case SW_TEXT_80x25:	case SW_TEXT_80x30:
658     case SW_TEXT_80x43: case SW_TEXT_80x50:
659     case SW_TEXT_80x60:
660 	/* FALLTHROUGH */
661 
662     /* VGA TEXT MODES */
663     case SW_VGA_C40x25:
664     case SW_VGA_C80x25: case SW_VGA_M80x25:
665     case SW_VGA_C80x30: case SW_VGA_M80x30:
666     case SW_VGA_C80x50: case SW_VGA_M80x50:
667     case SW_VGA_C80x60: case SW_VGA_M80x60:
668     case SW_VGA_C90x25: case SW_VGA_M90x25:
669     case SW_VGA_C90x30: case SW_VGA_M90x30:
670     case SW_VGA_C90x43: case SW_VGA_M90x43:
671     case SW_VGA_C90x50: case SW_VGA_M90x50:
672     case SW_VGA_C90x60: case SW_VGA_M90x60:
673     case SW_B40x25:     case SW_C40x25:
674     case SW_B80x25:     case SW_C80x25:
675     case SW_ENH_B40x25: case SW_ENH_C40x25:
676     case SW_ENH_B80x25: case SW_ENH_C80x25:
677     case SW_ENH_B80x43: case SW_ENH_C80x43:
678     case SW_EGAMONO80x25:
679 
680 #ifdef PC98
681     /* PC98 TEXT MODES */
682     case SW_PC98_80x25:
683     case SW_PC98_80x30:
684 #endif
685 	if (!(adp->va_flags & V_ADP_MODECHANGE))
686  	    return ENODEV;
687 	return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0, 0);
688 
689     /* GRAPHICS MODES */
690     case SW_BG320:     case SW_BG640:
691     case SW_CG320:     case SW_CG320_D:   case SW_CG640_E:
692     case SW_CG640x350: case SW_ENH_CG640:
693     case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
694     case SW_VGA_MODEX:
695 #ifdef PC98
696     /* PC98 GRAPHICS MODES */
697     case SW_PC98_EGC640x400:	case SW_PC98_PEGC640x400:
698     case SW_PC98_PEGC640x480:
699 #endif
700 	if (!(adp->va_flags & V_ADP_MODECHANGE))
701 	    return ENODEV;
702 	return sc_set_graphics_mode(scp, tp, cmd & 0xff);
703 #endif /* SC_NO_MODE_CHANGE */
704 
705 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
706     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
707     case _IO('K', 10):
708 	ival = IOCPARM_IVAL(data);
709 	data = (caddr_t)&ival;
710 	/* FALLTHROUGH */
711 #endif
712     case KDSETMODE:     	/* set current mode of this (virtual) console */
713 	switch (*(int *)data) {
714 	case KD_TEXT:   	/* switch to TEXT (known) mode */
715 	    /*
716 	     * If scp->mode is of graphics modes, we don't know which
717 	     * text mode to switch back to...
718 	     */
719 	    if (scp->status & GRAPHICS_MODE)
720 		return EINVAL;
721 	    /* restore fonts & palette ! */
722 #if 0
723 #ifndef SC_NO_FONT_LOADING
724 	    if (ISFONTAVAIL(adp->va_flags)
725 		&& !(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
726 		/*
727 		 * FONT KLUDGE
728 		 * Don't load fonts for now... XXX
729 		 */
730 		if (scp->sc->fonts_loaded & FONT_8)
731 		    sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256);
732 		if (scp->sc->fonts_loaded & FONT_14)
733 		    sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256);
734 		if (scp->sc->fonts_loaded & FONT_16)
735 		    sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256);
736 	    }
737 #endif /* SC_NO_FONT_LOADING */
738 #endif
739 
740 #ifndef SC_NO_PALETTE_LOADING
741 #ifdef SC_PIXEL_MODE
742 	    if (adp->va_info.vi_mem_model == V_INFO_MM_DIRECT)
743 		vidd_load_palette(adp, scp->sc->palette2);
744 	    else
745 #endif
746 	    vidd_load_palette(adp, scp->sc->palette);
747 #endif
748 
749 #ifndef PC98
750 	    /* move hardware cursor out of the way */
751 	    vidd_set_hw_cursor(adp, -1, -1);
752 #endif
753 
754 	    /* FALLTHROUGH */
755 
756 	case KD_TEXT1:  	/* switch to TEXT (known) mode */
757 	    /*
758 	     * If scp->mode is of graphics modes, we don't know which
759 	     * text/pixel mode to switch back to...
760 	     */
761 	    if (scp->status & GRAPHICS_MODE)
762 		return EINVAL;
763 	    s = spltty();
764 	    if ((error = sc_clean_up(scp))) {
765 		splx(s);
766 		return error;
767 	    }
768 #ifndef PC98
769 	    scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
770 	    splx(s);
771 	    /* no restore fonts & palette */
772 	    if (scp == scp->sc->cur_scp)
773 		set_mode(scp);
774 	    sc_clear_screen(scp);
775 	    scp->status &= ~UNKNOWN_MODE;
776 #else /* PC98 */
777 	    scp->status &= ~UNKNOWN_MODE;
778 	    /* no restore fonts & palette */
779 	    if (scp == scp->sc->cur_scp)
780 		set_mode(scp);
781 	    sc_clear_screen(scp);
782 	    splx(s);
783 #endif /* PC98 */
784 	    return 0;
785 
786 #ifdef SC_PIXEL_MODE
787 	case KD_PIXEL:		/* pixel (raster) display */
788 	    if (!(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
789 		return EINVAL;
790 	    if (scp->status & GRAPHICS_MODE)
791 		return sc_set_pixel_mode(scp, tp, scp->xsize, scp->ysize,
792 					 scp->font_size, scp->font_width);
793 	    s = spltty();
794 	    if ((error = sc_clean_up(scp))) {
795 		splx(s);
796 		return error;
797 	    }
798 	    scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
799 	    splx(s);
800 	    if (scp == scp->sc->cur_scp) {
801 		set_mode(scp);
802 #ifndef SC_NO_PALETTE_LOADING
803 		if (adp->va_info.vi_mem_model == V_INFO_MM_DIRECT)
804 		    vidd_load_palette(adp, scp->sc->palette2);
805 		else
806 		    vidd_load_palette(adp, scp->sc->palette);
807 #endif
808 	    }
809 	    sc_clear_screen(scp);
810 	    scp->status &= ~UNKNOWN_MODE;
811 	    return 0;
812 #endif /* SC_PIXEL_MODE */
813 
814 	case KD_GRAPHICS:	/* switch to GRAPHICS (unknown) mode */
815 	    s = spltty();
816 	    if ((error = sc_clean_up(scp))) {
817 		splx(s);
818 		return error;
819 	    }
820 	    scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
821 	    splx(s);
822 #ifdef PC98
823 	    if (scp == scp->sc->cur_scp)
824 		set_mode(scp);
825 #endif
826 	    return 0;
827 
828 	default:
829 	    return EINVAL;
830 	}
831 	/* NOT REACHED */
832 
833 #ifdef SC_PIXEL_MODE
834     case KDRASTER:		/* set pixel (raster) display mode */
835 	if (ISUNKNOWNSC(scp) || ISTEXTSC(scp))
836 	    return ENODEV;
837 	return sc_set_pixel_mode(scp, tp, ((int *)data)[0], ((int *)data)[1],
838 				 ((int *)data)[2], 8);
839 #endif /* SC_PIXEL_MODE */
840 
841     case KDGETMODE:     	/* get current mode of this (virtual) console */
842 	/*
843 	 * From the user program's point of view, KD_PIXEL is the same
844 	 * as KD_TEXT...
845 	 */
846 	*data = ISGRAPHSC(scp) ? KD_GRAPHICS : KD_TEXT;
847 	return 0;
848 
849 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
850     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
851     case _IO('K', 13):
852 	ival = IOCPARM_IVAL(data);
853 	data = (caddr_t)&ival;
854 	/* FALLTHROUGH */
855 #endif
856     case KDSBORDER:     	/* set border color of this (virtual) console */
857 	scp->border = *(int *)data;
858 	if (scp == scp->sc->cur_scp)
859 	    sc_set_border(scp, scp->border);
860 	return 0;
861     }
862 
863     return ENOIOCTL;
864 }
865 
866 static LIST_HEAD(, sc_renderer) sc_rndr_list =
867 	LIST_HEAD_INITIALIZER(sc_rndr_list);
868 
869 int
870 sc_render_add(sc_renderer_t *rndr)
871 {
872 	LIST_INSERT_HEAD(&sc_rndr_list, rndr, link);
873 	return 0;
874 }
875 
876 int
877 sc_render_remove(sc_renderer_t *rndr)
878 {
879 	/*
880 	LIST_REMOVE(rndr, link);
881 	*/
882 	return EBUSY;	/* XXX */
883 }
884 
885 sc_rndr_sw_t
886 *sc_render_match(scr_stat *scp, char *name, int mode)
887 {
888 	const sc_renderer_t **list;
889 	const sc_renderer_t *p;
890 
891 	if (!LIST_EMPTY(&sc_rndr_list)) {
892 		LIST_FOREACH(p, &sc_rndr_list, link) {
893 			if ((strcmp(p->name, name) == 0)
894 				&& (mode == p->mode)) {
895 				scp->status &=
896 				    ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
897 				return p->rndrsw;
898 			}
899 		}
900 	} else {
901 		SET_FOREACH(list, scrndr_set) {
902 			p = *list;
903 			if ((strcmp(p->name, name) == 0)
904 				&& (mode == p->mode)) {
905 				scp->status &=
906 				    ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
907 				return p->rndrsw;
908 			}
909 		}
910 	}
911 
912 	return NULL;
913 }
914