FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/fb.c
1 /*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31
32 #include "opt_fb.h"
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/conf.h>
37 #include <sys/bus.h>
38 #include <sys/kernel.h>
39 #include <sys/malloc.h>
40 #include <sys/module.h>
41 #include <sys/uio.h>
42 #include <sys/fbio.h>
43 #include <sys/linker_set.h>
44
45 #include <vm/vm.h>
46 #include <vm/pmap.h>
47
48 #include <dev/fb/fbreg.h>
49
50 SET_DECLARE(videodriver_set, const video_driver_t);
51
52 /* local arrays */
53
54 /*
55 * We need at least one entry each in order to initialize a video card
56 * for the kernel console. The arrays will be increased dynamically
57 * when necessary.
58 */
59
60 static int vid_malloc;
61 static int adapters = 1;
62 static video_adapter_t *adp_ini;
63 static video_adapter_t **adapter = &adp_ini;
64 static video_switch_t *vidsw_ini;
65 video_switch_t **vidsw = &vidsw_ini;
66
67 #ifdef FB_INSTALL_CDEV
68 static struct cdevsw *vidcdevsw_ini;
69 static struct cdevsw **vidcdevsw = &vidcdevsw_ini;
70 #endif
71
72 #define ARRAY_DELTA 4
73
74 static int
75 vid_realloc_array(void)
76 {
77 video_adapter_t **new_adp;
78 video_switch_t **new_vidsw;
79 #ifdef FB_INSTALL_CDEV
80 struct cdevsw **new_cdevsw;
81 #endif
82 int newsize;
83 int s;
84
85 if (!vid_malloc)
86 return ENOMEM;
87
88 s = spltty();
89 newsize = ((adapters + ARRAY_DELTA)/ARRAY_DELTA)*ARRAY_DELTA;
90 new_adp = malloc(sizeof(*new_adp)*newsize, M_DEVBUF, M_WAITOK | M_ZERO);
91 new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF,
92 M_WAITOK | M_ZERO);
93 #ifdef FB_INSTALL_CDEV
94 new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF,
95 M_WAITOK | M_ZERO);
96 #endif
97 bcopy(adapter, new_adp, sizeof(*adapter)*adapters);
98 bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters);
99 #ifdef FB_INSTALL_CDEV
100 bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters);
101 #endif
102 if (adapters > 1) {
103 free(adapter, M_DEVBUF);
104 free(vidsw, M_DEVBUF);
105 #ifdef FB_INSTALL_CDEV
106 free(vidcdevsw, M_DEVBUF);
107 #endif
108 }
109 adapter = new_adp;
110 vidsw = new_vidsw;
111 #ifdef FB_INSTALL_CDEV
112 vidcdevsw = new_cdevsw;
113 #endif
114 adapters = newsize;
115 splx(s);
116
117 if (bootverbose)
118 printf("fb: new array size %d\n", adapters);
119
120 return 0;
121 }
122
123 static void
124 vid_malloc_init(void *arg)
125 {
126 vid_malloc = TRUE;
127 }
128
129 SYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL);
130
131 /*
132 * Low-level frame buffer driver functions
133 * frame buffer subdrivers, such as the VGA driver, call these functions
134 * to initialize the video_adapter structure and register it to the virtual
135 * frame buffer driver `fb'.
136 */
137
138 /* initialize the video_adapter_t structure */
139 void
140 vid_init_struct(video_adapter_t *adp, char *name, int type, int unit)
141 {
142 adp->va_flags = 0;
143 adp->va_name = name;
144 adp->va_type = type;
145 adp->va_unit = unit;
146 }
147
148 /* Register a video adapter */
149 int
150 vid_register(video_adapter_t *adp)
151 {
152 const video_driver_t **list;
153 const video_driver_t *p;
154 int index;
155
156 for (index = 0; index < adapters; ++index) {
157 if (adapter[index] == NULL)
158 break;
159 }
160 if (index >= adapters) {
161 if (vid_realloc_array())
162 return -1;
163 }
164
165 adp->va_index = index;
166 adp->va_token = NULL;
167 SET_FOREACH(list, videodriver_set) {
168 p = *list;
169 if (strcmp(p->name, adp->va_name) == 0) {
170 adapter[index] = adp;
171 vidsw[index] = p->vidsw;
172 return index;
173 }
174 }
175
176 return -1;
177 }
178
179 int
180 vid_unregister(video_adapter_t *adp)
181 {
182 if ((adp->va_index < 0) || (adp->va_index >= adapters))
183 return ENOENT;
184 if (adapter[adp->va_index] != adp)
185 return ENOENT;
186
187 adapter[adp->va_index] = NULL;
188 vidsw[adp->va_index] = NULL;
189 return 0;
190 }
191
192 /* Get video I/O function table */
193 video_switch_t
194 *vid_get_switch(char *name)
195 {
196 const video_driver_t **list;
197 const video_driver_t *p;
198
199 SET_FOREACH(list, videodriver_set) {
200 p = *list;
201 if (strcmp(p->name, name) == 0)
202 return p->vidsw;
203 }
204
205 return NULL;
206 }
207
208 /*
209 * Video card client functions
210 * Video card clients, such as the console driver `syscons' and the frame
211 * buffer cdev driver, use these functions to claim and release a card for
212 * exclusive use.
213 */
214
215 /* find the video card specified by a driver name and a unit number */
216 int
217 vid_find_adapter(char *driver, int unit)
218 {
219 int i;
220
221 for (i = 0; i < adapters; ++i) {
222 if (adapter[i] == NULL)
223 continue;
224 if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver))
225 continue;
226 if ((unit != -1) && (adapter[i]->va_unit != unit))
227 continue;
228 return i;
229 }
230 return -1;
231 }
232
233 /* allocate a video card */
234 int
235 vid_allocate(char *driver, int unit, void *id)
236 {
237 int index;
238 int s;
239
240 s = spltty();
241 index = vid_find_adapter(driver, unit);
242 if (index >= 0) {
243 if (adapter[index]->va_token) {
244 splx(s);
245 return -1;
246 }
247 adapter[index]->va_token = id;
248 }
249 splx(s);
250 return index;
251 }
252
253 int
254 vid_release(video_adapter_t *adp, void *id)
255 {
256 int error;
257 int s;
258
259 s = spltty();
260 if (adp->va_token == NULL) {
261 error = EINVAL;
262 } else if (adp->va_token != id) {
263 error = EPERM;
264 } else {
265 adp->va_token = NULL;
266 error = 0;
267 }
268 splx(s);
269 return error;
270 }
271
272 /* Get a video adapter structure */
273 video_adapter_t
274 *vid_get_adapter(int index)
275 {
276 if ((index < 0) || (index >= adapters))
277 return NULL;
278 return adapter[index];
279 }
280
281 /* Configure drivers: this is a backdoor for the console driver XXX */
282 int
283 vid_configure(int flags)
284 {
285 const video_driver_t **list;
286 const video_driver_t *p;
287
288 SET_FOREACH(list, videodriver_set) {
289 p = *list;
290 if (p->configure != NULL)
291 (*p->configure)(flags);
292 }
293
294 return 0;
295 }
296
297 /*
298 * Virtual frame buffer cdev driver functions
299 * The virtual frame buffer driver dispatches driver functions to
300 * appropriate subdrivers.
301 */
302
303 #define FB_DRIVER_NAME "fb"
304
305 #ifdef FB_INSTALL_CDEV
306
307 #if 0 /* experimental */
308
309 static devclass_t fb_devclass;
310
311 static int fbprobe(device_t dev);
312 static int fbattach(device_t dev);
313
314 static device_method_t fb_methods[] = {
315 DEVMETHOD(device_probe, fbprobe),
316 DEVMETHOD(device_attach, fbattach),
317
318 DEVMETHOD(bus_print_child, bus_generic_print_child),
319 { 0, 0 }
320 };
321
322 static driver_t fb_driver = {
323 FB_DRIVER_NAME,
324 fb_methods,
325 0,
326 };
327
328 static int
329 fbprobe(device_t dev)
330 {
331 int unit;
332
333 unit = device_get_unit(dev);
334 if (unit >= adapters)
335 return ENXIO;
336 if (adapter[unit] == NULL)
337 return ENXIO;
338
339 device_set_desc(dev, "generic frame buffer");
340 return 0;
341 }
342
343 static int
344 fbattach(device_t dev)
345 {
346 printf("fbattach: about to attach children\n");
347 bus_generic_attach(dev);
348 return 0;
349 }
350
351 #endif
352
353 #define FB_UNIT(dev) minor(dev)
354 #define FB_MKMINOR(unit) (u)
355
356 #if 0 /* experimental */
357 static d_open_t fbopen;
358 static d_close_t fbclose;
359 static d_read_t fbread;
360 static d_write_t fbwrite;
361 static d_ioctl_t fbioctl;
362 static d_mmap_t fbmmap;
363
364
365 static struct cdevsw fb_cdevsw = {
366 .d_version = D_VERSION,
367 .d_flags = D_NEEDGIANT,
368 .d_open = fbopen,
369 .d_close = fbclose,
370 .d_read = fbread,
371 .d_write = fbwrite,
372 .d_ioctl = fbioctl,
373 .d_mmap = fbmmap,
374 .d_name = FB_DRIVER_NAME,
375 };
376 #endif
377
378
379 static int
380 fb_modevent(module_t mod, int type, void *data)
381 {
382
383 switch (type) {
384 case MOD_LOAD:
385 break;
386 case MOD_UNLOAD:
387 printf("fb module unload - not possible for this module type\n");
388 return EINVAL;
389 default:
390 return EOPNOTSUPP;
391 }
392 return 0;
393 }
394
395 static moduledata_t fb_mod = {
396 "fb",
397 fb_modevent,
398 NULL
399 };
400
401 DECLARE_MODULE(fb, fb_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
402
403 int
404 fb_attach(int unit, video_adapter_t *adp, struct cdevsw *cdevsw)
405 {
406 int s;
407
408 if (adp->va_index >= adapters)
409 return EINVAL;
410 if (adapter[adp->va_index] != adp)
411 return EINVAL;
412
413 s = spltty();
414 adp->va_minor = unit;
415 vidcdevsw[adp->va_index] = cdevsw;
416 splx(s);
417
418 printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit);
419 return 0;
420 }
421
422 int
423 fb_detach(int unit, video_adapter_t *adp, struct cdevsw *cdevsw)
424 {
425 int s;
426
427 if (adp->va_index >= adapters)
428 return EINVAL;
429 if (adapter[adp->va_index] != adp)
430 return EINVAL;
431 if (vidcdevsw[adp->va_index] != cdevsw)
432 return EINVAL;
433
434 s = spltty();
435 vidcdevsw[adp->va_index] = NULL;
436 splx(s);
437 return 0;
438 }
439
440 /*
441 * Generic frame buffer cdev driver functions
442 * Frame buffer subdrivers may call these functions to implement common
443 * driver functions.
444 */
445
446 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode,
447 struct thread *td)
448 {
449 int s;
450
451 s = spltty();
452 if (!(sc->gfb_flags & FB_OPEN))
453 sc->gfb_flags |= FB_OPEN;
454 splx(s);
455 return 0;
456 }
457
458 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode,
459 struct thread *td)
460 {
461 int s;
462
463 s = spltty();
464 sc->gfb_flags &= ~FB_OPEN;
465 splx(s);
466 return 0;
467 }
468
469 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio,
470 int flag)
471 {
472 int size;
473 int offset;
474 int error;
475 int len;
476
477 error = 0;
478 size = adp->va_buffer_size/adp->va_info.vi_planes;
479 while (uio->uio_resid > 0) {
480 if (uio->uio_offset >= size)
481 break;
482 offset = uio->uio_offset%adp->va_window_size;
483 len = imin(uio->uio_resid, size - uio->uio_offset);
484 len = imin(len, adp->va_window_size - offset);
485 if (len <= 0)
486 break;
487 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset);
488 error = uiomove((caddr_t)(adp->va_window + offset), len, uio);
489 if (error)
490 break;
491 }
492 return error;
493 }
494
495 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio,
496 int flag)
497 {
498 return ENODEV;
499 }
500
501 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd,
502 caddr_t arg, int flag, struct thread *td)
503 {
504 int error;
505
506 if (adp == NULL) /* XXX */
507 return ENXIO;
508 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg);
509 if (error == ENOIOCTL)
510 error = ENODEV;
511 return error;
512 }
513
514 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset,
515 vm_offset_t *paddr, int prot)
516 {
517 return (*vidsw[adp->va_index]->mmap)(adp, offset, paddr, prot);
518 }
519
520 #endif /* FB_INSTALL_CDEV */
521
522 static char
523 *adapter_name(int type)
524 {
525 static struct {
526 int type;
527 char *name;
528 } names[] = {
529 { KD_MONO, "MDA" },
530 { KD_HERCULES, "Hercules" },
531 { KD_CGA, "CGA" },
532 { KD_EGA, "EGA" },
533 { KD_VGA, "VGA" },
534 { KD_PC98, "PC-98x1" },
535 { KD_TGA, "TGA" },
536 { -1, "Unknown" },
537 };
538 int i;
539
540 for (i = 0; names[i].type != -1; ++i)
541 if (names[i].type == type)
542 break;
543 return names[i].name;
544 }
545
546 /*
547 * Generic low-level frame buffer functions
548 * The low-level functions in the frame buffer subdriver may use these
549 * functions.
550 */
551
552 void
553 fb_dump_adp_info(char *driver, video_adapter_t *adp, int level)
554 {
555 if (level <= 0)
556 return;
557
558 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n",
559 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name,
560 adapter_name(adp->va_type), adp->va_type, adp->va_flags);
561 printf("%s%d: port:0x%lx-0x%lx, crtc:0x%lx, mem:0x%lx 0x%x\n",
562 FB_DRIVER_NAME, adp->va_index, (u_long)adp->va_io_base,
563 (u_long)adp->va_io_base + adp->va_io_size - 1,
564 (u_long)adp->va_crtc_addr, (u_long)adp->va_mem_base,
565 adp->va_mem_size);
566 printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n",
567 FB_DRIVER_NAME, adp->va_index,
568 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode);
569 printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n",
570 FB_DRIVER_NAME, adp->va_index,
571 (void *)adp->va_window, (int)adp->va_window_size/1024,
572 (int)adp->va_window_gran/1024, (void *)adp->va_buffer,
573 (int)adp->va_buffer_size/1024);
574 }
575
576 void
577 fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info,
578 int level)
579 {
580 if (level <= 0)
581 return;
582
583 printf("%s%d: %s, mode:%d, flags:0x%x ",
584 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags);
585 if (info->vi_flags & V_INFO_GRAPHICS)
586 printf("G %dx%dx%d, %d plane(s), font:%dx%d, ",
587 info->vi_width, info->vi_height,
588 info->vi_depth, info->vi_planes,
589 info->vi_cwidth, info->vi_cheight);
590 else
591 printf("T %dx%d, font:%dx%d, ",
592 info->vi_width, info->vi_height,
593 info->vi_cwidth, info->vi_cheight);
594 printf("win:0x%lx\n", (u_long)info->vi_window);
595 }
596
597 int
598 fb_type(int adp_type)
599 {
600 static struct {
601 int fb_type;
602 int va_type;
603 } types[] = {
604 { FBTYPE_MDA, KD_MONO },
605 { FBTYPE_HERCULES, KD_HERCULES },
606 { FBTYPE_CGA, KD_CGA },
607 { FBTYPE_EGA, KD_EGA },
608 { FBTYPE_VGA, KD_VGA },
609 { FBTYPE_PC98, KD_PC98 },
610 { FBTYPE_TGA, KD_TGA },
611 };
612 int i;
613
614 for (i = 0; i < sizeof(types)/sizeof(types[0]); ++i) {
615 if (types[i].va_type == adp_type)
616 return types[i].fb_type;
617 }
618 return -1;
619 }
620
621 int
622 fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg)
623 {
624 int error;
625 int s;
626
627 /* assert(adp != NULL) */
628
629 error = 0;
630 s = spltty();
631
632 switch (cmd) {
633
634 case FBIO_ADAPTER: /* get video adapter index */
635 *(int *)arg = adp->va_index;
636 break;
637
638 case FBIO_ADPTYPE: /* get video adapter type */
639 *(int *)arg = adp->va_type;
640 break;
641
642 case FBIO_ADPINFO: /* get video adapter info */
643 ((video_adapter_info_t *)arg)->va_index = adp->va_index;
644 ((video_adapter_info_t *)arg)->va_type = adp->va_type;
645 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name,
646 imin(strlen(adp->va_name) + 1,
647 sizeof(((video_adapter_info_t *)arg)->va_name)));
648 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit;
649 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags;
650 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base;
651 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size;
652 ((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr;
653 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base;
654 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size;
655 ((video_adapter_info_t *)arg)->va_window
656 #ifdef __i386__
657 = vtophys(adp->va_window);
658 #else
659 = adp->va_window;
660 #endif
661 ((video_adapter_info_t *)arg)->va_window_size
662 = adp->va_window_size;
663 ((video_adapter_info_t *)arg)->va_window_gran
664 = adp->va_window_gran;
665 ((video_adapter_info_t *)arg)->va_window_orig
666 = adp->va_window_orig;
667 ((video_adapter_info_t *)arg)->va_unused0
668 #ifdef __i386__
669 = (adp->va_buffer) ? vtophys(adp->va_buffer) : 0;
670 #else
671 = adp->va_buffer;
672 #endif
673 ((video_adapter_info_t *)arg)->va_buffer_size
674 = adp->va_buffer_size;
675 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode;
676 ((video_adapter_info_t *)arg)->va_initial_mode
677 = adp->va_initial_mode;
678 ((video_adapter_info_t *)arg)->va_initial_bios_mode
679 = adp->va_initial_bios_mode;
680 ((video_adapter_info_t *)arg)->va_line_width
681 = adp->va_line_width;
682 ((video_adapter_info_t *)arg)->va_disp_start.x
683 = adp->va_disp_start.x;
684 ((video_adapter_info_t *)arg)->va_disp_start.y
685 = adp->va_disp_start.y;
686 break;
687
688 case FBIO_MODEINFO: /* get mode information */
689 error = (*vidsw[adp->va_index]->get_info)(adp,
690 ((video_info_t *)arg)->vi_mode,
691 (video_info_t *)arg);
692 if (error)
693 error = ENODEV;
694 break;
695
696 case FBIO_FINDMODE: /* find a matching video mode */
697 error = (*vidsw[adp->va_index]->query_mode)(adp,
698 (video_info_t *)arg);
699 break;
700
701 case FBIO_GETMODE: /* get video mode */
702 *(int *)arg = adp->va_mode;
703 break;
704
705 case FBIO_SETMODE: /* set video mode */
706 error = (*vidsw[adp->va_index]->set_mode)(adp, *(int *)arg);
707 if (error)
708 error = ENODEV; /* EINVAL? */
709 break;
710
711 case FBIO_GETWINORG: /* get frame buffer window origin */
712 *(u_int *)arg = adp->va_window_orig;
713 break;
714
715 case FBIO_GETDISPSTART: /* get display start address */
716 ((video_display_start_t *)arg)->x = adp->va_disp_start.x;
717 ((video_display_start_t *)arg)->y = adp->va_disp_start.y;
718 break;
719
720 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
721 *(u_int *)arg = adp->va_line_width;
722 break;
723
724 case FBIO_BLANK: /* blank display */
725 error = (*vidsw[adp->va_index]->blank_display)(adp, *(int *)arg);
726 break;
727
728 case FBIO_GETPALETTE: /* get color palette */
729 case FBIO_SETPALETTE: /* set color palette */
730 /* XXX */
731
732 case FBIOPUTCMAP:
733 case FBIOGETCMAP:
734 case FBIOPUTCMAPI:
735 case FBIOGETCMAPI:
736 /* XXX */
737
738 case FBIO_SETWINORG: /* set frame buffer window origin */
739 case FBIO_SETDISPSTART: /* set display start address */
740 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */
741
742 case FBIOGTYPE:
743 case FBIOGATTR:
744 case FBIOSVIDEO:
745 case FBIOGVIDEO:
746 case FBIOVERTICAL:
747 case FBIOSCURSOR:
748 case FBIOGCURSOR:
749 case FBIOSCURPOS:
750 case FBIOGCURPOS:
751 case FBIOGCURMAX:
752 case FBIOMONINFO:
753 case FBIOGXINFO:
754
755 default:
756 error = ENODEV;
757 break;
758 }
759
760 splx(s);
761 return error;
762 }
Cache object: 336ebe9ff4dfcb3a2f679545314e2394
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