1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer as
12 * the first lines of this file unmodified.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
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
vid_realloc_array(void)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 = rounddown(adapters + 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
vid_malloc_init(void * arg)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
vid_init_struct(video_adapter_t * adp,char * name,int type,int unit)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
vid_register(video_adapter_t * adp)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
vid_unregister(video_adapter_t * adp)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
vid_get_switch(char * name)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
vid_find_adapter(char * driver,int unit)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
vid_allocate(char * driver,int unit,void * id)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
vid_release(video_adapter_t * adp,void * id)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
vid_get_adapter(int index)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
vid_configure(int flags)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_END
319 };
320
321 static driver_t fb_driver = {
322 FB_DRIVER_NAME,
323 fb_methods,
324 0,
325 };
326
327 static int
328 fbprobe(device_t dev)
329 {
330 int unit;
331
332 unit = device_get_unit(dev);
333 if (unit >= adapters)
334 return ENXIO;
335 if (adapter[unit] == NULL)
336 return ENXIO;
337
338 device_set_desc(dev, "generic frame buffer");
339 return 0;
340 }
341
342 static int
343 fbattach(device_t dev)
344 {
345 printf("fbattach: about to attach children\n");
346 bus_generic_attach(dev);
347 return 0;
348 }
349
350 #endif
351
352 #define FB_UNIT(dev) dev2unit(dev)
353 #define FB_MKMINOR(unit) (u)
354
355 #if 0 /* experimental */
356 static d_open_t fbopen;
357 static d_close_t fbclose;
358 static d_read_t fbread;
359 static d_write_t fbwrite;
360 static d_ioctl_t fbioctl;
361 static d_mmap_t fbmmap;
362
363
364 static struct cdevsw fb_cdevsw = {
365 .d_version = D_VERSION,
366 .d_flags = D_NEEDGIANT,
367 .d_open = fbopen,
368 .d_close = fbclose,
369 .d_read = fbread,
370 .d_write = fbwrite,
371 .d_ioctl = fbioctl,
372 .d_mmap = fbmmap,
373 .d_name = FB_DRIVER_NAME,
374 };
375 #endif
376
377
378 static int
fb_modevent(module_t mod,int type,void * data)379 fb_modevent(module_t mod, int type, void *data)
380 {
381
382 switch (type) {
383 case MOD_LOAD:
384 break;
385 case MOD_UNLOAD:
386 printf("fb module unload - not possible for this module type\n");
387 return EINVAL;
388 default:
389 return EOPNOTSUPP;
390 }
391 return 0;
392 }
393
394 static moduledata_t fb_mod = {
395 "fb",
396 fb_modevent,
397 NULL
398 };
399
400 DECLARE_MODULE(fb, fb_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
401
402 int
fb_attach(int unit,video_adapter_t * adp,struct cdevsw * cdevsw)403 fb_attach(int unit, video_adapter_t *adp, struct cdevsw *cdevsw)
404 {
405 int s;
406
407 if (adp->va_index >= adapters)
408 return EINVAL;
409 if (adapter[adp->va_index] != adp)
410 return EINVAL;
411
412 s = spltty();
413 adp->va_minor = unit;
414 vidcdevsw[adp->va_index] = cdevsw;
415 splx(s);
416
417 printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit);
418 return 0;
419 }
420
421 int
fb_detach(int unit,video_adapter_t * adp,struct cdevsw * cdevsw)422 fb_detach(int unit, video_adapter_t *adp, struct cdevsw *cdevsw)
423 {
424 int s;
425
426 if (adp->va_index >= adapters)
427 return EINVAL;
428 if (adapter[adp->va_index] != adp)
429 return EINVAL;
430 if (vidcdevsw[adp->va_index] != cdevsw)
431 return EINVAL;
432
433 s = spltty();
434 vidcdevsw[adp->va_index] = NULL;
435 splx(s);
436 return 0;
437 }
438
439 /*
440 * Generic frame buffer cdev driver functions
441 * Frame buffer subdrivers may call these functions to implement common
442 * driver functions.
443 */
444
genfbopen(genfb_softc_t * sc,video_adapter_t * adp,int flag,int mode,struct thread * td)445 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode,
446 struct thread *td)
447 {
448 int s;
449
450 s = spltty();
451 if (!(sc->gfb_flags & FB_OPEN))
452 sc->gfb_flags |= FB_OPEN;
453 splx(s);
454 return 0;
455 }
456
genfbclose(genfb_softc_t * sc,video_adapter_t * adp,int flag,int mode,struct thread * td)457 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode,
458 struct thread *td)
459 {
460 int s;
461
462 s = spltty();
463 sc->gfb_flags &= ~FB_OPEN;
464 splx(s);
465 return 0;
466 }
467
genfbread(genfb_softc_t * sc,video_adapter_t * adp,struct uio * uio,int flag)468 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio,
469 int flag)
470 {
471 int size;
472 int offset;
473 int error;
474 int len;
475
476 error = 0;
477 size = adp->va_buffer_size/adp->va_info.vi_planes;
478 while (uio->uio_resid > 0) {
479 if (uio->uio_offset >= size)
480 break;
481 offset = uio->uio_offset%adp->va_window_size;
482 len = imin(uio->uio_resid, size - uio->uio_offset);
483 len = imin(len, adp->va_window_size - offset);
484 if (len <= 0)
485 break;
486 vidd_set_win_org(adp, uio->uio_offset);
487 error = uiomove((caddr_t)(adp->va_window + offset), len, uio);
488 if (error)
489 break;
490 }
491 return error;
492 }
493
genfbwrite(genfb_softc_t * sc,video_adapter_t * adp,struct uio * uio,int flag)494 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio,
495 int flag)
496 {
497 return ENODEV;
498 }
499
genfbioctl(genfb_softc_t * sc,video_adapter_t * adp,u_long cmd,caddr_t arg,int flag,struct thread * td)500 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd,
501 caddr_t arg, int flag, struct thread *td)
502 {
503 int error;
504
505 if (adp == NULL) /* XXX */
506 return ENXIO;
507 error = vidd_ioctl(adp, cmd, arg);
508 if (error == ENOIOCTL)
509 error = ENODEV;
510 return error;
511 }
512
genfbmmap(genfb_softc_t * sc,video_adapter_t * adp,vm_ooffset_t offset,vm_paddr_t * paddr,int prot,vm_memattr_t * memattr)513 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_ooffset_t offset,
514 vm_paddr_t *paddr, int prot, vm_memattr_t *memattr)
515 {
516 return vidd_mmap(adp, offset, paddr, prot, memattr);
517 }
518
519 #endif /* FB_INSTALL_CDEV */
520
521 static char
adapter_name(int type)522 *adapter_name(int type)
523 {
524 static struct {
525 int type;
526 char *name;
527 } names[] = {
528 { KD_MONO, "MDA" },
529 { KD_HERCULES, "Hercules" },
530 { KD_CGA, "CGA" },
531 { KD_EGA, "EGA" },
532 { KD_VGA, "VGA" },
533 { KD_TGA, "TGA" },
534 { -1, "Unknown" },
535 };
536 int i;
537
538 for (i = 0; names[i].type != -1; ++i)
539 if (names[i].type == type)
540 break;
541 return names[i].name;
542 }
543
544 /*
545 * Generic low-level frame buffer functions
546 * The low-level functions in the frame buffer subdriver may use these
547 * functions.
548 */
549
550 void
fb_dump_adp_info(char * driver,video_adapter_t * adp,int level)551 fb_dump_adp_info(char *driver, video_adapter_t *adp, int level)
552 {
553 if (level <= 0)
554 return;
555
556 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n",
557 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name,
558 adapter_name(adp->va_type), adp->va_type, adp->va_flags);
559 printf("%s%d: port:0x%lx-0x%lx, crtc:0x%lx, mem:0x%lx 0x%x\n",
560 FB_DRIVER_NAME, adp->va_index, (u_long)adp->va_io_base,
561 (u_long)adp->va_io_base + adp->va_io_size - 1,
562 (u_long)adp->va_crtc_addr, (u_long)adp->va_mem_base,
563 adp->va_mem_size);
564 printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n",
565 FB_DRIVER_NAME, adp->va_index,
566 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode);
567 printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n",
568 FB_DRIVER_NAME, adp->va_index,
569 (void *)adp->va_window, (int)adp->va_window_size/1024,
570 (int)adp->va_window_gran/1024, (void *)adp->va_buffer,
571 (int)adp->va_buffer_size/1024);
572 }
573
574 void
fb_dump_mode_info(char * driver,video_adapter_t * adp,video_info_t * info,int level)575 fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info,
576 int level)
577 {
578 if (level <= 0)
579 return;
580
581 printf("%s%d: %s, mode:%d, flags:0x%x ",
582 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags);
583 if (info->vi_flags & V_INFO_GRAPHICS)
584 printf("G %dx%dx%d, %d plane(s), font:%dx%d, ",
585 info->vi_width, info->vi_height,
586 info->vi_depth, info->vi_planes,
587 info->vi_cwidth, info->vi_cheight);
588 else
589 printf("T %dx%d, font:%dx%d, ",
590 info->vi_width, info->vi_height,
591 info->vi_cwidth, info->vi_cheight);
592 printf("win:0x%lx\n", (u_long)info->vi_window);
593 }
594
595 int
fb_type(int adp_type)596 fb_type(int adp_type)
597 {
598 static struct {
599 int fb_type;
600 int va_type;
601 } types[] = {
602 { FBTYPE_MDA, KD_MONO },
603 { FBTYPE_HERCULES, KD_HERCULES },
604 { FBTYPE_CGA, KD_CGA },
605 { FBTYPE_EGA, KD_EGA },
606 { FBTYPE_VGA, KD_VGA },
607 { FBTYPE_TGA, KD_TGA },
608 };
609 int i;
610
611 for (i = 0; i < nitems(types); ++i) {
612 if (types[i].va_type == adp_type)
613 return types[i].fb_type;
614 }
615 return -1;
616 }
617
618 int
fb_commonioctl(video_adapter_t * adp,u_long cmd,caddr_t arg)619 fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg)
620 {
621 int error;
622 int s;
623
624 /* assert(adp != NULL) */
625
626 error = 0;
627 s = spltty();
628
629 switch (cmd) {
630
631 case FBIO_ADAPTER: /* get video adapter index */
632 *(int *)arg = adp->va_index;
633 break;
634
635 case FBIO_ADPTYPE: /* get video adapter type */
636 *(int *)arg = adp->va_type;
637 break;
638
639 case FBIO_ADPINFO: /* get video adapter info */
640 ((video_adapter_info_t *)arg)->va_index = adp->va_index;
641 ((video_adapter_info_t *)arg)->va_type = adp->va_type;
642 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name,
643 imin(strlen(adp->va_name) + 1,
644 sizeof(((video_adapter_info_t *)arg)->va_name)));
645 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit;
646 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags;
647 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base;
648 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size;
649 ((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr;
650 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base;
651 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size;
652 ((video_adapter_info_t *)arg)->va_window
653 #if defined(__amd64__) || defined(__i386__)
654 = vtophys(adp->va_window);
655 #else
656 = adp->va_window;
657 #endif
658 ((video_adapter_info_t *)arg)->va_window_size
659 = adp->va_window_size;
660 ((video_adapter_info_t *)arg)->va_window_gran
661 = adp->va_window_gran;
662 ((video_adapter_info_t *)arg)->va_window_orig
663 = adp->va_window_orig;
664 ((video_adapter_info_t *)arg)->va_unused0
665 #if defined(__amd64__) || defined(__i386__)
666 = adp->va_buffer != 0 ? vtophys(adp->va_buffer) : 0;
667 #else
668 = adp->va_buffer;
669 #endif
670 ((video_adapter_info_t *)arg)->va_buffer_size
671 = adp->va_buffer_size;
672 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode;
673 ((video_adapter_info_t *)arg)->va_initial_mode
674 = adp->va_initial_mode;
675 ((video_adapter_info_t *)arg)->va_initial_bios_mode
676 = adp->va_initial_bios_mode;
677 ((video_adapter_info_t *)arg)->va_line_width
678 = adp->va_line_width;
679 ((video_adapter_info_t *)arg)->va_disp_start.x
680 = adp->va_disp_start.x;
681 ((video_adapter_info_t *)arg)->va_disp_start.y
682 = adp->va_disp_start.y;
683 break;
684
685 case FBIO_MODEINFO: /* get mode information */
686 error = vidd_get_info(adp,
687 ((video_info_t *)arg)->vi_mode,
688 (video_info_t *)arg);
689 if (error)
690 error = ENODEV;
691 break;
692
693 case FBIO_FINDMODE: /* find a matching video mode */
694 error = vidd_query_mode(adp, (video_info_t *)arg);
695 break;
696
697 case FBIO_GETMODE: /* get video mode */
698 *(int *)arg = adp->va_mode;
699 break;
700
701 case FBIO_SETMODE: /* set video mode */
702 error = vidd_set_mode(adp, *(int *)arg);
703 if (error)
704 error = ENODEV; /* EINVAL? */
705 break;
706
707 case FBIO_GETWINORG: /* get frame buffer window origin */
708 *(u_int *)arg = adp->va_window_orig;
709 break;
710
711 case FBIO_GETDISPSTART: /* get display start address */
712 ((video_display_start_t *)arg)->x = adp->va_disp_start.x;
713 ((video_display_start_t *)arg)->y = adp->va_disp_start.y;
714 break;
715
716 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
717 *(u_int *)arg = adp->va_line_width;
718 break;
719
720 case FBIO_BLANK: /* blank display */
721 error = vidd_blank_display(adp, *(int *)arg);
722 break;
723
724 case FBIO_GETPALETTE: /* get color palette */
725 case FBIO_SETPALETTE: /* set color palette */
726 /* XXX */
727
728 case FBIOPUTCMAP:
729 case FBIOGETCMAP:
730 /* XXX */
731
732 case FBIO_SETWINORG: /* set frame buffer window origin */
733 case FBIO_SETDISPSTART: /* set display start address */
734 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */
735
736 case FBIOGTYPE:
737
738 default:
739 error = ENODEV;
740 break;
741 }
742
743 splx(s);
744 return error;
745 }
746