xref: /freebsd/sys/dev/syscons/scvidctl.c (revision 1670a1c2a47d10ecccd001970b859caf93cd3b6e)
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     if (!sc_support_pixel_mode(&info))
373 	return ENODEV;
374 
375     /* stop screen saver, etc */
376     s = spltty();
377     if ((error = sc_clean_up(scp))) {
378 	splx(s);
379 	return error;
380     }
381 
382     if (sc_render_match(scp, scp->sc->adp->va_name, PIXEL_MODE) == NULL) {
383 	splx(s);
384 	return ENODEV;
385     }
386 
387 #if 0
388     if (scp->tsw)
389 	(*scp->tsw->te_term)(scp, scp->ts);
390     scp->tsw = NULL;
391     scp->ts = NULL;
392 #endif
393 
394     /* set up scp */
395 #ifndef SC_NO_HISTORY
396     if (scp->history != NULL)
397 	sc_hist_save(scp);
398 #endif
399     prev_ysize = scp->ysize;
400     scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
401     scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE);
402     scp->xsize = xsize;
403     scp->ysize = ysize;
404     scp->xoff = (scp->xpixel/8 - xsize)/2;
405     scp->yoff = (scp->ypixel/fontsize - ysize)/2;
406     scp->font = font;
407     scp->font_size = fontsize;
408     scp->font_width = fontwidth;
409 
410     /* allocate buffers */
411     sc_alloc_scr_buffer(scp, TRUE, TRUE);
412     sc_init_emulator(scp, NULL);
413 #ifndef SC_NO_CUTPASTE
414     sc_alloc_cut_buffer(scp, FALSE);
415 #endif
416 #ifndef SC_NO_HISTORY
417     sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
418 #endif
419     splx(s);
420 
421     if (scp == scp->sc->cur_scp) {
422 	sc_set_border(scp, scp->border);
423 	sc_set_cursor_image(scp);
424     }
425 
426     scp->status &= ~UNKNOWN_MODE;
427 
428     if (tp == NULL)
429 	return 0;
430     if (tp->t_winsize.ws_col != scp->xsize
431 	|| tp->t_winsize.ws_row != scp->ysize) {
432 	tp->t_winsize.ws_col = scp->xsize;
433 	tp->t_winsize.ws_row = scp->ysize;
434 	if (tp->t_pgrp != NULL) {
435 	    ksiginfo_init(&ksi);
436 	    ksi.ksi_signo = SIGWINCH;
437 	    ksi.ksi_code = SI_KERNEL;
438 	    PGRP_LOCK(tp->t_pgrp);
439 	    pgsignal(tp->t_pgrp, SIGWINCH, 1, &ksi);
440 	    PGRP_UNLOCK(tp->t_pgrp);
441 	}
442     }
443 
444     return 0;
445 #endif /* SC_PIXEL_MODE */
446 }
447 
448 int
449 sc_support_pixel_mode(void *arg)
450 {
451 #ifdef SC_PIXEL_MODE
452 	video_info_t *info = arg;
453 
454 	if ((info->vi_flags & V_INFO_GRAPHICS) == 0)
455 		return (0);
456 
457 	/*
458 	 * We currently support the following graphic modes:
459 	 *
460 	 * - 4 bpp planar modes whose memory size does not exceed 64K
461 	 * - 15, 16, 24 and 32 bpp linear modes
462 	 */
463 	switch (info->vi_mem_model) {
464 	case V_INFO_MM_PLANAR:
465 		if (info->vi_planes != 4)
466 			break;
467 		/*
468 		 * A memory size >64K requires bank switching to access
469 		 * the entire screen. XXX
470 		 */
471 		if (info->vi_width * info->vi_height / 8 > info->vi_window_size)
472 			break;
473 		return (1);
474 	case V_INFO_MM_DIRECT:
475 		if ((info->vi_flags & V_INFO_LINEAR) == 0 &&
476 		    info->vi_depth != 15 && info->vi_depth != 16 &&
477 		    info->vi_depth != 24 && info->vi_depth != 32)
478 			break;
479 		return (1);
480 	case V_INFO_MM_PACKED:
481 		if ((info->vi_flags & V_INFO_LINEAR) == 0 &&
482 		    info->vi_depth != 8)
483 			break;
484 		return (1);
485 	}
486 #endif
487 	return (0);
488 }
489 
490 #define fb_ioctl(a, c, d)		\
491 	(((a) == NULL) ? ENODEV : 	\
492 			 vidd_ioctl((a), (c), (caddr_t)(d)))
493 
494 int
495 sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
496 {
497     scr_stat *scp;
498     video_adapter_t *adp;
499     video_info_t info;
500     video_adapter_info_t adp_info;
501     int error;
502     int s;
503 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
504     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
505     int ival;
506 #endif
507 
508     scp = SC_STAT(tp);
509     if (scp == NULL)		/* tp == SC_MOUSE */
510 	return ENOIOCTL;
511     adp = scp->sc->adp;
512     if (adp == NULL)		/* shouldn't happen??? */
513 	return ENODEV;
514 
515     switch (cmd) {
516 
517     case CONS_CURRENTADP:	/* get current adapter index */
518     case FBIO_ADAPTER:
519 	return fb_ioctl(adp, FBIO_ADAPTER, data);
520 
521     case CONS_CURRENT:  	/* get current adapter type */
522     case FBIO_ADPTYPE:
523 	return fb_ioctl(adp, FBIO_ADPTYPE, data);
524 
525     case OLD_CONS_ADPINFO:	/* adapter information (old interface) */
526 	if (((old_video_adapter_t *)data)->va_index >= 0) {
527 	    adp = vid_get_adapter(((old_video_adapter_t *)data)->va_index);
528 	    if (adp == NULL)
529 		return ENODEV;
530 	}
531 	((old_video_adapter_t *)data)->va_index = adp->va_index;
532 	((old_video_adapter_t *)data)->va_type = adp->va_type;
533 	((old_video_adapter_t *)data)->va_flags = adp->va_flags;
534 	((old_video_adapter_t *)data)->va_crtc_addr = adp->va_crtc_addr;
535 	((old_video_adapter_t *)data)->va_window = adp->va_window;
536 	((old_video_adapter_t *)data)->va_window_size = adp->va_window_size;
537 	((old_video_adapter_t *)data)->va_window_gran = adp->va_window_gran;
538 	((old_video_adapter_t *)data)->va_buffer = adp->va_buffer;
539 	((old_video_adapter_t *)data)->va_buffer_size = adp->va_buffer_size;
540 	((old_video_adapter_t *)data)->va_mode = adp->va_mode;
541 	((old_video_adapter_t *)data)->va_initial_mode = adp->va_initial_mode;
542 	((old_video_adapter_t *)data)->va_initial_bios_mode
543 	    = adp->va_initial_bios_mode;
544 	return 0;
545 
546     case OLD_CONS_ADPINFO2:	/* adapter information (yet another old I/F) */
547 	adp_info.va_index = ((old_video_adapter_info_t *)data)->va_index;
548 	if (adp_info.va_index >= 0) {
549 	    adp = vid_get_adapter(adp_info.va_index);
550 	    if (adp == NULL)
551 		return ENODEV;
552 	}
553 	error = fb_ioctl(adp, FBIO_ADPINFO, &adp_info);
554 	if (error == 0)
555 	    bcopy(&adp_info, data, sizeof(old_video_adapter_info_t));
556 	return error;
557 
558     case CONS_ADPINFO:		/* adapter information */
559     case FBIO_ADPINFO:
560 	if (((video_adapter_info_t *)data)->va_index >= 0) {
561 	    adp = vid_get_adapter(((video_adapter_info_t *)data)->va_index);
562 	    if (adp == NULL)
563 		return ENODEV;
564 	}
565 	return fb_ioctl(adp, FBIO_ADPINFO, data);
566 
567     case CONS_GET:      	/* get current video mode */
568     case FBIO_GETMODE:
569 	*(int *)data = scp->mode;
570 	return 0;
571 
572 #ifndef SC_NO_MODE_CHANGE
573     case FBIO_SETMODE:		/* set video mode */
574 	if (!(adp->va_flags & V_ADP_MODECHANGE))
575  	    return ENODEV;
576 	info.vi_mode = *(int *)data;
577 	error = fb_ioctl(adp, FBIO_MODEINFO, &info);
578 	if (error)
579 	    return error;
580 	if (info.vi_flags & V_INFO_GRAPHICS)
581 	    return sc_set_graphics_mode(scp, tp, *(int *)data);
582 	else
583 	    return sc_set_text_mode(scp, tp, *(int *)data, 0, 0, 0, 0);
584 #endif /* SC_NO_MODE_CHANGE */
585 
586     case OLD_CONS_MODEINFO:	/* get mode information (old infterface) */
587 	info.vi_mode = ((old_video_info_t *)data)->vi_mode;
588 	error = fb_ioctl(adp, FBIO_MODEINFO, &info);
589 	if (error == 0)
590 	    bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
591 	return error;
592 
593     case CONS_MODEINFO:		/* get mode information */
594     case FBIO_MODEINFO:
595 	return fb_ioctl(adp, FBIO_MODEINFO, data);
596 
597     case OLD_CONS_FINDMODE:	/* find a matching video mode (old interface) */
598 	bzero(&info, sizeof(info));
599 	bcopy((old_video_info_t *)data, &info, sizeof(old_video_info_t));
600 	error = fb_ioctl(adp, FBIO_FINDMODE, &info);
601 	if (error == 0)
602 	    bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
603 	return error;
604 
605     case CONS_FINDMODE:		/* find a matching video mode */
606     case FBIO_FINDMODE:
607 	return fb_ioctl(adp, FBIO_FINDMODE, data);
608 
609 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
610     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
611     case _IO('c', 104):
612 	ival = IOCPARM_IVAL(data);
613 	data = (caddr_t)&ival;
614 	/* FALLTHROUGH */
615 #endif
616     case CONS_SETWINORG:	/* set frame buffer window origin */
617     case FBIO_SETWINORG:
618 	if (scp != scp->sc->cur_scp)
619 	    return ENODEV;	/* XXX */
620 	return fb_ioctl(adp, FBIO_SETWINORG, data);
621 
622     case FBIO_GETWINORG:	/* get frame buffer window origin */
623 	if (scp != scp->sc->cur_scp)
624 	    return ENODEV;	/* XXX */
625 	return fb_ioctl(adp, FBIO_GETWINORG, data);
626 
627     case FBIO_GETDISPSTART:
628     case FBIO_SETDISPSTART:
629     case FBIO_GETLINEWIDTH:
630     case FBIO_SETLINEWIDTH:
631 	if (scp != scp->sc->cur_scp)
632 	    return ENODEV;	/* XXX */
633 	return fb_ioctl(adp, cmd, data);
634 
635     case FBIO_GETPALETTE:
636     case FBIO_SETPALETTE:
637     case FBIOPUTCMAP:
638     case FBIOGETCMAP:
639     case FBIOGTYPE:
640     case FBIOGATTR:
641     case FBIOSVIDEO:
642     case FBIOGVIDEO:
643     case FBIOSCURSOR:
644     case FBIOGCURSOR:
645     case FBIOSCURPOS:
646     case FBIOGCURPOS:
647     case FBIOGCURMAX:
648 	if (scp != scp->sc->cur_scp)
649 	    return ENODEV;	/* XXX */
650 	return fb_ioctl(adp, cmd, data);
651 
652     case FBIO_BLANK:
653 	if (scp != scp->sc->cur_scp)
654 	    return ENODEV;	/* XXX */
655 	return fb_ioctl(adp, cmd, data);
656 
657 #ifndef SC_NO_MODE_CHANGE
658     /* generic text modes */
659     case SW_TEXT_80x25:	case SW_TEXT_80x30:
660     case SW_TEXT_80x43: case SW_TEXT_80x50:
661     case SW_TEXT_80x60:
662 	/* FALLTHROUGH */
663 
664     /* VGA TEXT MODES */
665     case SW_VGA_C40x25:
666     case SW_VGA_C80x25: case SW_VGA_M80x25:
667     case SW_VGA_C80x30: case SW_VGA_M80x30:
668     case SW_VGA_C80x50: case SW_VGA_M80x50:
669     case SW_VGA_C80x60: case SW_VGA_M80x60:
670     case SW_VGA_C90x25: case SW_VGA_M90x25:
671     case SW_VGA_C90x30: case SW_VGA_M90x30:
672     case SW_VGA_C90x43: case SW_VGA_M90x43:
673     case SW_VGA_C90x50: case SW_VGA_M90x50:
674     case SW_VGA_C90x60: case SW_VGA_M90x60:
675     case SW_B40x25:     case SW_C40x25:
676     case SW_B80x25:     case SW_C80x25:
677     case SW_ENH_B40x25: case SW_ENH_C40x25:
678     case SW_ENH_B80x25: case SW_ENH_C80x25:
679     case SW_ENH_B80x43: case SW_ENH_C80x43:
680     case SW_EGAMONO80x25:
681 
682 #ifdef PC98
683     /* PC98 TEXT MODES */
684     case SW_PC98_80x25:
685     case SW_PC98_80x30:
686 #endif
687 	if (!(adp->va_flags & V_ADP_MODECHANGE))
688  	    return ENODEV;
689 	return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0, 0);
690 
691     /* GRAPHICS MODES */
692     case SW_BG320:     case SW_BG640:
693     case SW_CG320:     case SW_CG320_D:   case SW_CG640_E:
694     case SW_CG640x350: case SW_ENH_CG640:
695     case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
696     case SW_VGA_MODEX:
697 #ifdef PC98
698     /* PC98 GRAPHICS MODES */
699     case SW_PC98_EGC640x400:	case SW_PC98_PEGC640x400:
700     case SW_PC98_PEGC640x480:
701 #endif
702 	if (!(adp->va_flags & V_ADP_MODECHANGE))
703 	    return ENODEV;
704 	return sc_set_graphics_mode(scp, tp, cmd & 0xff);
705 #endif /* SC_NO_MODE_CHANGE */
706 
707 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
708     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
709     case _IO('K', 10):
710 	ival = IOCPARM_IVAL(data);
711 	data = (caddr_t)&ival;
712 	/* FALLTHROUGH */
713 #endif
714     case KDSETMODE:     	/* set current mode of this (virtual) console */
715 	switch (*(int *)data) {
716 	case KD_TEXT:   	/* switch to TEXT (known) mode */
717 	    /*
718 	     * If scp->mode is of graphics modes, we don't know which
719 	     * text mode to switch back to...
720 	     */
721 	    if (scp->status & GRAPHICS_MODE)
722 		return EINVAL;
723 	    /* restore fonts & palette ! */
724 #if 0
725 #ifndef SC_NO_FONT_LOADING
726 	    if (ISFONTAVAIL(adp->va_flags)
727 		&& !(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
728 		/*
729 		 * FONT KLUDGE
730 		 * Don't load fonts for now... XXX
731 		 */
732 		if (scp->sc->fonts_loaded & FONT_8)
733 		    sc_load_font(scp, 0, 8, 8, scp->sc->font_8, 0, 256);
734 		if (scp->sc->fonts_loaded & FONT_14)
735 		    sc_load_font(scp, 0, 14, 8, scp->sc->font_14, 0, 256);
736 		if (scp->sc->fonts_loaded & FONT_16)
737 		    sc_load_font(scp, 0, 16, 8, scp->sc->font_16, 0, 256);
738 	    }
739 #endif /* SC_NO_FONT_LOADING */
740 #endif
741 
742 #ifndef SC_NO_PALETTE_LOADING
743 #ifdef SC_PIXEL_MODE
744 	    if (adp->va_info.vi_mem_model == V_INFO_MM_DIRECT)
745 		vidd_load_palette(adp, scp->sc->palette2);
746 	    else
747 #endif
748 	    vidd_load_palette(adp, scp->sc->palette);
749 #endif
750 
751 #ifndef PC98
752 	    /* move hardware cursor out of the way */
753 	    vidd_set_hw_cursor(adp, -1, -1);
754 #endif
755 
756 	    /* FALLTHROUGH */
757 
758 	case KD_TEXT1:  	/* switch to TEXT (known) mode */
759 	    /*
760 	     * If scp->mode is of graphics modes, we don't know which
761 	     * text/pixel mode to switch back to...
762 	     */
763 	    if (scp->status & GRAPHICS_MODE)
764 		return EINVAL;
765 	    s = spltty();
766 	    if ((error = sc_clean_up(scp))) {
767 		splx(s);
768 		return error;
769 	    }
770 #ifndef PC98
771 	    scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
772 	    splx(s);
773 	    /* no restore fonts & palette */
774 	    if (scp == scp->sc->cur_scp)
775 		set_mode(scp);
776 	    sc_clear_screen(scp);
777 	    scp->status &= ~UNKNOWN_MODE;
778 #else /* PC98 */
779 	    scp->status &= ~UNKNOWN_MODE;
780 	    /* no restore fonts & palette */
781 	    if (scp == scp->sc->cur_scp)
782 		set_mode(scp);
783 	    sc_clear_screen(scp);
784 	    splx(s);
785 #endif /* PC98 */
786 	    return 0;
787 
788 #ifdef SC_PIXEL_MODE
789 	case KD_PIXEL:		/* pixel (raster) display */
790 	    if (!(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
791 		return EINVAL;
792 	    if (scp->status & GRAPHICS_MODE)
793 		return sc_set_pixel_mode(scp, tp, scp->xsize, scp->ysize,
794 					 scp->font_size, scp->font_width);
795 	    s = spltty();
796 	    if ((error = sc_clean_up(scp))) {
797 		splx(s);
798 		return error;
799 	    }
800 	    scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
801 	    splx(s);
802 	    if (scp == scp->sc->cur_scp) {
803 		set_mode(scp);
804 #ifndef SC_NO_PALETTE_LOADING
805 		if (adp->va_info.vi_mem_model == V_INFO_MM_DIRECT)
806 		    vidd_load_palette(adp, scp->sc->palette2);
807 		else
808 		    vidd_load_palette(adp, scp->sc->palette);
809 #endif
810 	    }
811 	    sc_clear_screen(scp);
812 	    scp->status &= ~UNKNOWN_MODE;
813 	    return 0;
814 #endif /* SC_PIXEL_MODE */
815 
816 	case KD_GRAPHICS:	/* switch to GRAPHICS (unknown) mode */
817 	    s = spltty();
818 	    if ((error = sc_clean_up(scp))) {
819 		splx(s);
820 		return error;
821 	    }
822 	    scp->status |= UNKNOWN_MODE | MOUSE_HIDDEN;
823 	    splx(s);
824 #ifdef PC98
825 	    if (scp == scp->sc->cur_scp)
826 		set_mode(scp);
827 #endif
828 	    return 0;
829 
830 	default:
831 	    return EINVAL;
832 	}
833 	/* NOT REACHED */
834 
835 #ifdef SC_PIXEL_MODE
836     case KDRASTER:		/* set pixel (raster) display mode */
837 	if (ISUNKNOWNSC(scp) || ISTEXTSC(scp))
838 	    return ENODEV;
839 	return sc_set_pixel_mode(scp, tp, ((int *)data)[0], ((int *)data)[1],
840 				 ((int *)data)[2], 8);
841 #endif /* SC_PIXEL_MODE */
842 
843     case KDGETMODE:     	/* get current mode of this (virtual) console */
844 	/*
845 	 * From the user program's point of view, KD_PIXEL is the same
846 	 * as KD_TEXT...
847 	 */
848 	*data = ISGRAPHSC(scp) ? KD_GRAPHICS : KD_TEXT;
849 	return 0;
850 
851 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
852     defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
853     case _IO('K', 13):
854 	ival = IOCPARM_IVAL(data);
855 	data = (caddr_t)&ival;
856 	/* FALLTHROUGH */
857 #endif
858     case KDSBORDER:     	/* set border color of this (virtual) console */
859 	scp->border = *(int *)data;
860 	if (scp == scp->sc->cur_scp)
861 	    sc_set_border(scp, scp->border);
862 	return 0;
863     }
864 
865     return ENOIOCTL;
866 }
867 
868 static LIST_HEAD(, sc_renderer) sc_rndr_list =
869 	LIST_HEAD_INITIALIZER(sc_rndr_list);
870 
871 int
872 sc_render_add(sc_renderer_t *rndr)
873 {
874 	LIST_INSERT_HEAD(&sc_rndr_list, rndr, link);
875 	return 0;
876 }
877 
878 int
879 sc_render_remove(sc_renderer_t *rndr)
880 {
881 	/*
882 	LIST_REMOVE(rndr, link);
883 	*/
884 	return EBUSY;	/* XXX */
885 }
886 
887 sc_rndr_sw_t
888 *sc_render_match(scr_stat *scp, char *name, int mode)
889 {
890 	const sc_renderer_t **list;
891 	const sc_renderer_t *p;
892 
893 	if (!LIST_EMPTY(&sc_rndr_list)) {
894 		LIST_FOREACH(p, &sc_rndr_list, link) {
895 			if ((strcmp(p->name, name) == 0)
896 				&& (mode == p->mode)) {
897 				scp->status &=
898 				    ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
899 				return p->rndrsw;
900 			}
901 		}
902 	} else {
903 		SET_FOREACH(list, scrndr_set) {
904 			p = *list;
905 			if ((strcmp(p->name, name) == 0)
906 				&& (mode == p->mode)) {
907 				scp->status &=
908 				    ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
909 				return p->rndrsw;
910 			}
911 		}
912 	}
913 
914 	return NULL;
915 }
916