Fully synchronize sys/boot from FreeBSD-5.x, but add / to the module path
[dragonfly.git] / sys / dev / video / fb / fb.c
CommitLineData
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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 * $FreeBSD: src/sys/dev/fb/fb.c,v 1.11.2.2 2000/08/02 22:35:22 peter Exp $
dc62b251 29 * $DragonFly: src/sys/dev/video/fb/fb.c,v 1.7 2003/11/10 06:12:09 dillon Exp $
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30 */
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/uio.h>
41#include <sys/fbio.h>
dc62b251 42#include <sys/linker_set.h>
335dda38 43#include <sys/device.h>
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44
45#include <vm/vm.h>
46#include <vm/pmap.h>
47
1f2de5d4 48#include "fbreg.h"
984263bc 49
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50SET_DECLARE(videodriver_set, const video_driver_t);
51
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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
60static int vid_malloc;
61static int adapters = 1;
62static video_adapter_t *adp_ini;
63static video_adapter_t **adapter = &adp_ini;
64static video_switch_t *vidsw_ini;
65 video_switch_t **vidsw = &vidsw_ini;
66
67#ifdef FB_INSTALL_CDEV
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68static struct lwkt_port *vidcdevsw_ini;
69static struct lwkt_port **vidcdevsw = &vidcdevsw_ini;
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70#endif
71
72#define ARRAY_DELTA 4
73
74static int
75vid_realloc_array(void)
76{
77 video_adapter_t **new_adp;
78 video_switch_t **new_vidsw;
79#ifdef FB_INSTALL_CDEV
335dda38 80 struct lwkt_port **new_cdevsw;
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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);
91 new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF, M_WAITOK);
92#ifdef FB_INSTALL_CDEV
93 new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF, M_WAITOK);
94#endif
95 bzero(new_adp, sizeof(*new_adp)*newsize);
96 bzero(new_vidsw, sizeof(*new_vidsw)*newsize);
97 bcopy(adapter, new_adp, sizeof(*adapter)*adapters);
98 bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters);
99#ifdef FB_INSTALL_CDEV
100 bzero(new_cdevsw, sizeof(*new_cdevsw)*newsize);
101 bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters);
102#endif
103 if (adapters > 1) {
104 free(adapter, M_DEVBUF);
105 free(vidsw, M_DEVBUF);
106#ifdef FB_INSTALL_CDEV
107 free(vidcdevsw, M_DEVBUF);
108#endif
109 }
110 adapter = new_adp;
111 vidsw = new_vidsw;
112#ifdef FB_INSTALL_CDEV
113 vidcdevsw = new_cdevsw;
114#endif
115 adapters = newsize;
116 splx(s);
117
118 if (bootverbose)
119 printf("fb: new array size %d\n", adapters);
120
121 return 0;
122}
123
124static void
125vid_malloc_init(void *arg)
126{
127 vid_malloc = TRUE;
128}
129
130SYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL);
131
132/*
133 * Low-level frame buffer driver functions
134 * frame buffer subdrivers, such as the VGA driver, call these functions
135 * to initialize the video_adapter structure and register it to the virtual
136 * frame buffer driver `fb'.
137 */
138
139/* initialize the video_adapter_t structure */
140void
141vid_init_struct(video_adapter_t *adp, char *name, int type, int unit)
142{
143 adp->va_flags = 0;
144 adp->va_name = name;
145 adp->va_type = type;
146 adp->va_unit = unit;
147}
148
149/* Register a video adapter */
150int
151vid_register(video_adapter_t *adp)
152{
153 const video_driver_t **list;
154 const video_driver_t *p;
155 int index;
156
157 for (index = 0; index < adapters; ++index) {
158 if (adapter[index] == NULL)
159 break;
160 }
161 if (index >= adapters) {
162 if (vid_realloc_array())
163 return -1;
164 }
165
166 adp->va_index = index;
167 adp->va_token = NULL;
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168 SET_FOREACH(list, videodriver_set) {
169 p = *list;
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170 if (strcmp(p->name, adp->va_name) == 0) {
171 adapter[index] = adp;
172 vidsw[index] = p->vidsw;
173 return index;
174 }
175 }
176
177 return -1;
178}
179
180int
181vid_unregister(video_adapter_t *adp)
182{
183 if ((adp->va_index < 0) || (adp->va_index >= adapters))
184 return ENOENT;
185 if (adapter[adp->va_index] != adp)
186 return ENOENT;
187
188 adapter[adp->va_index] = NULL;
189 vidsw[adp->va_index] = NULL;
190 return 0;
191}
192
193/* Get video I/O function table */
194video_switch_t
195*vid_get_switch(char *name)
196{
197 const video_driver_t **list;
198 const video_driver_t *p;
199
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200 SET_FOREACH(list, videodriver_set) {
201 p = *list;
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202 if (strcmp(p->name, name) == 0)
203 return p->vidsw;
204 }
205
206 return NULL;
207}
208
209/*
210 * Video card client functions
211 * Video card clients, such as the console driver `syscons' and the frame
212 * buffer cdev driver, use these functions to claim and release a card for
213 * exclusive use.
214 */
215
216/* find the video card specified by a driver name and a unit number */
217int
218vid_find_adapter(char *driver, int unit)
219{
220 int i;
221
222 for (i = 0; i < adapters; ++i) {
223 if (adapter[i] == NULL)
224 continue;
225 if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver))
226 continue;
227 if ((unit != -1) && (adapter[i]->va_unit != unit))
228 continue;
229 return i;
230 }
231 return -1;
232}
233
234/* allocate a video card */
235int
236vid_allocate(char *driver, int unit, void *id)
237{
238 int index;
239 int s;
240
241 s = spltty();
242 index = vid_find_adapter(driver, unit);
243 if (index >= 0) {
244 if (adapter[index]->va_token) {
245 splx(s);
246 return -1;
247 }
248 adapter[index]->va_token = id;
249 }
250 splx(s);
251 return index;
252}
253
254int
255vid_release(video_adapter_t *adp, void *id)
256{
257 int error;
258 int s;
259
260 s = spltty();
261 if (adp->va_token == NULL) {
262 error = EINVAL;
263 } else if (adp->va_token != id) {
264 error = EPERM;
265 } else {
266 adp->va_token = NULL;
267 error = 0;
268 }
269 splx(s);
270 return error;
271}
272
273/* Get a video adapter structure */
274video_adapter_t
275*vid_get_adapter(int index)
276{
277 if ((index < 0) || (index >= adapters))
278 return NULL;
279 return adapter[index];
280}
281
282/* Configure drivers: this is a backdoor for the console driver XXX */
283int
284vid_configure(int flags)
285{
286 const video_driver_t **list;
287 const video_driver_t *p;
288
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289 SET_FOREACH(list, videodriver_set) {
290 p = *list;
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291 if (p->configure != NULL)
292 (*p->configure)(flags);
293 }
294
295 return 0;
296}
297
298/*
299 * Virtual frame buffer cdev driver functions
300 * The virtual frame buffer driver dispatches driver functions to
301 * appropriate subdrivers.
302 */
303
304#define FB_DRIVER_NAME "fb"
305
306#ifdef FB_INSTALL_CDEV
307
308#if experimental
309
310static devclass_t fb_devclass;
311
312static int fbprobe(device_t dev);
313static int fbattach(device_t dev);
314
315static device_method_t fb_methods[] = {
316 DEVMETHOD(device_probe, fbprobe),
317 DEVMETHOD(device_attach, fbattach),
318
319 DEVMETHOD(bus_print_child, bus_generic_print_child),
320 { 0, 0 }
321};
322
323static driver_t fb_driver = {
324 FB_DRIVER_NAME,
325 fb_methods,
326 0,
327};
328
329static int
330fbprobe(device_t dev)
331{
332 int unit;
333
334 unit = device_get_unit(dev);
335 if (unit >= adapters)
336 return ENXIO;
337 if (adapter[unit] == NULL)
338 return ENXIO;
339
340 device_set_desc(dev, "generic frame buffer");
341 return 0;
342}
343
344static int
345fbattach(device_t dev)
346{
347 printf("fbattach: about to attach children\n");
348 bus_generic_attach(dev);
349 return 0;
350}
351
352#endif /* experimental */
353
354#define FB_UNIT(dev) minor(dev)
355#define FB_MKMINOR(unit) (u)
356
357static d_open_t fbopen;
358static d_close_t fbclose;
359static d_read_t fbread;
360static d_write_t fbwrite;
361static d_ioctl_t fbioctl;
362static d_mmap_t fbmmap;
363
364#define CDEV_MAJOR 123 /* XXX */
365
366static struct cdevsw fb_cdevsw = {
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367 /* name */ FB_DRIVER_NAME,
368 /* maj */ CDEV_MAJOR,
369 /* flags */ 0,
370 /* port */ NULL,
371 /* autoq */ 0,
372
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373 /* open */ fbopen,
374 /* close */ fbclose,
375 /* read */ fbread,
376 /* write */ fbwrite,
377 /* ioctl */ fbioctl,
378 /* poll */ nopoll,
379 /* mmap */ fbmmap,
380 /* strategy */ nostrategy,
984263bc 381 /* dump */ nodump,
fabb8ceb 382 /* psize */ nopsize
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383};
384
385static void
386vfbattach(void *arg)
387{
388 static int fb_devsw_installed = FALSE;
389
390 if (!fb_devsw_installed) {
391 cdevsw_add(&fb_cdevsw);
392 fb_devsw_installed = TRUE;
393 }
394}
395
396PSEUDO_SET(vfbattach, fb);
397
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398/*
399 * Note: dev represents the actual video device, not the frame buffer
400 */
984263bc 401int
335dda38 402fb_attach(dev_t dev, video_adapter_t *adp)
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403{
404 int s;
405
406 if (adp->va_index >= adapters)
407 return EINVAL;
408 if (adapter[adp->va_index] != adp)
409 return EINVAL;
410
411 s = spltty();
412 adp->va_minor = minor(dev);
335dda38 413 vidcdevsw[adp->va_index] = dev_dport(dev);
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414 splx(s);
415
416 printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit);
417 return 0;
418}
419
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420#if 0 /* never seems to be called */
421/*
422 * Note: dev represents the actual video device, not the frame buffer
423 */
984263bc 424int
335dda38 425fb_detach(dev_t dev, video_adapter_t *adp)
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426{
427 int s;
428
429 if (adp->va_index >= adapters)
430 return EINVAL;
431 if (adapter[adp->va_index] != adp)
432 return EINVAL;
335dda38 433 if (vidcdevsw[adp->va_index] != port)
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434 return EINVAL;
435
436 s = spltty();
437 vidcdevsw[adp->va_index] = NULL;
438 splx(s);
439 return 0;
440}
335dda38 441#endif
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442
443static int
7b95be2a 444fbopen(dev_t dev, int flag, int mode, struct thread *td)
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445{
446 int unit;
447
448 unit = FB_UNIT(dev);
449 if (unit >= adapters)
450 return ENXIO;
451 if (vidcdevsw[unit] == NULL)
452 return ENXIO;
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453 return dev_port_dopen(vidcdevsw[unit],
454 makedev(0, adapter[unit]->va_minor),
455 flag, mode, td);
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456}
457
458static int
7b95be2a 459fbclose(dev_t dev, int flag, int mode, struct thread *td)
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460{
461 int unit;
462
463 unit = FB_UNIT(dev);
464 if (vidcdevsw[unit] == NULL)
465 return ENXIO;
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466 return dev_port_dclose(vidcdevsw[unit],
467 makedev(0, adapter[unit]->va_minor),
468 flag, mode, td);
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469}
470
471static int
472fbread(dev_t dev, struct uio *uio, int flag)
473{
474 int unit;
475
476 unit = FB_UNIT(dev);
477 if (vidcdevsw[unit] == NULL)
478 return ENXIO;
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479 return dev_port_dread(vidcdevsw[unit],
480 makedev(0, adapter[unit]->va_minor),
481 uio, flag);
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482}
483
484static int
485fbwrite(dev_t dev, struct uio *uio, int flag)
486{
487 int unit;
488
489 unit = FB_UNIT(dev);
490 if (vidcdevsw[unit] == NULL)
491 return ENXIO;
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492 return dev_port_dwrite(vidcdevsw[unit],
493 makedev(0, adapter[unit]->va_minor),
494 uio, flag);
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495}
496
497static int
7b95be2a 498fbioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct thread *td)
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499{
500 int unit;
501
502 unit = FB_UNIT(dev);
503 if (vidcdevsw[unit] == NULL)
504 return ENXIO;
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505 return dev_port_dioctl(vidcdevsw[unit],
506 makedev(0, adapter[unit]->va_minor),
507 cmd, arg, flag, td);
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508}
509
510static int
511fbmmap(dev_t dev, vm_offset_t offset, int nprot)
512{
513 int unit;
514
515 unit = FB_UNIT(dev);
516 if (vidcdevsw[unit] == NULL)
517 return ENXIO;
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518 return (dev_port_dmmap(vidcdevsw[unit],
519 makedev(0, adapter[unit]->va_minor),
520 offset, nprot));
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521}
522
523#if experimental
524DEV_DRIVER_MODULE(fb, ???, fb_driver, fb_devclass, fb_cdevsw, 0, 0);
525#endif
526
527/*
528 * Generic frame buffer cdev driver functions
529 * Frame buffer subdrivers may call these functions to implement common
530 * driver functions.
531 */
532
533int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode,
7b95be2a 534 struct thread *td)
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535{
536 int s;
537
538 s = spltty();
539 if (!(sc->gfb_flags & FB_OPEN))
540 sc->gfb_flags |= FB_OPEN;
541 splx(s);
542 return 0;
543}
544
545int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode,
7b95be2a 546 struct thread *td)
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547{
548 int s;
549
550 s = spltty();
551 sc->gfb_flags &= ~FB_OPEN;
552 splx(s);
553 return 0;
554}
555
556int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio,
557 int flag)
558{
559 int size;
560 int offset;
561 int error;
562 int len;
563
564 error = 0;
565 size = adp->va_buffer_size/adp->va_info.vi_planes;
566 while (uio->uio_resid > 0) {
567 if (uio->uio_offset >= size)
568 break;
569 offset = uio->uio_offset%adp->va_window_size;
570 len = imin(uio->uio_resid, size - uio->uio_offset);
571 len = imin(len, adp->va_window_size - offset);
572 if (len <= 0)
573 break;
574 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset);
575 error = uiomove((caddr_t)(adp->va_window + offset), len, uio);
576 if (error)
577 break;
578 }
579 return error;
580}
581
582int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio,
583 int flag)
584{
585 return ENODEV;
586}
587
588int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd,
7b95be2a 589 caddr_t arg, int flag, struct thread *td)
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590{
591 int error;
592
593 if (adp == NULL) /* XXX */
594 return ENXIO;
595 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg);
596 if (error == ENOIOCTL)
597 error = ENODEV;
598 return error;
599}
600
601int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset,
602 int prot)
603{
604 return (*vidsw[adp->va_index]->mmap)(adp, offset, prot);
605}
606
607#endif /* FB_INSTALL_CDEV */
608
609static char
610*adapter_name(int type)
611{
612 static struct {
613 int type;
614 char *name;
615 } names[] = {
616 { KD_MONO, "MDA" },
617 { KD_HERCULES, "Hercules" },
618 { KD_CGA, "CGA" },
619 { KD_EGA, "EGA" },
620 { KD_VGA, "VGA" },
621 { KD_PC98, "PC-98x1" },
622 { KD_TGA, "TGA" },
623 { -1, "Unknown" },
624 };
625 int i;
626
627 for (i = 0; names[i].type != -1; ++i)
628 if (names[i].type == type)
629 break;
630 return names[i].name;
631}
632
633/*
634 * Generic low-level frame buffer functions
635 * The low-level functions in the frame buffer subdriver may use these
636 * functions.
637 */
638
639void
640fb_dump_adp_info(char *driver, video_adapter_t *adp, int level)
641{
642 if (level <= 0)
643 return;
644
645 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n",
646 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name,
647 adapter_name(adp->va_type), adp->va_type, adp->va_flags);
648 printf("%s%d: port:0x%x-0x%x, crtc:0x%x, mem:0x%x 0x%x\n",
649 FB_DRIVER_NAME, adp->va_index,
650 adp->va_io_base, adp->va_io_base + adp->va_io_size - 1,
651 adp->va_crtc_addr, adp->va_mem_base, adp->va_mem_size);
652 printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n",
653 FB_DRIVER_NAME, adp->va_index,
654 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode);
655 printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n",
656 FB_DRIVER_NAME, adp->va_index,
657 (void *)adp->va_window, (int)adp->va_window_size/1024,
658 (int)adp->va_window_gran/1024, (void *)adp->va_buffer,
659 (int)adp->va_buffer_size/1024);
660}
661
662void
663fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info,
664 int level)
665{
666 if (level <= 0)
667 return;
668
669 printf("%s%d: %s, mode:%d, flags:0x%x ",
670 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags);
671 if (info->vi_flags & V_INFO_GRAPHICS)
672 printf("G %dx%dx%d, %d plane(s), font:%dx%d, ",
673 info->vi_width, info->vi_height,
674 info->vi_depth, info->vi_planes,
675 info->vi_cwidth, info->vi_cheight);
676 else
677 printf("T %dx%d, font:%dx%d, ",
678 info->vi_width, info->vi_height,
679 info->vi_cwidth, info->vi_cheight);
680 printf("win:0x%x\n", info->vi_window);
681}
682
683int
684fb_type(int adp_type)
685{
686 static struct {
687 int fb_type;
688 int va_type;
689 } types[] = {
690 { FBTYPE_MDA, KD_MONO },
691 { FBTYPE_HERCULES, KD_HERCULES },
692 { FBTYPE_CGA, KD_CGA },
693 { FBTYPE_EGA, KD_EGA },
694 { FBTYPE_VGA, KD_VGA },
695 { FBTYPE_PC98, KD_PC98 },
696 { FBTYPE_TGA, KD_TGA },
697 };
698 int i;
699
700 for (i = 0; i < sizeof(types)/sizeof(types[0]); ++i) {
701 if (types[i].va_type == adp_type)
702 return types[i].fb_type;
703 }
704 return -1;
705}
706
707int
708fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg)
709{
710 int error;
711 int s;
712
713 /* assert(adp != NULL) */
714
715 error = 0;
716 s = spltty();
717
718 switch (cmd) {
719
720 case FBIO_ADAPTER: /* get video adapter index */
721 *(int *)arg = adp->va_index;
722 break;
723
724 case FBIO_ADPTYPE: /* get video adapter type */
725 *(int *)arg = adp->va_type;
726 break;
727
728 case FBIO_ADPINFO: /* get video adapter info */
729 ((video_adapter_info_t *)arg)->va_index = adp->va_index;
730 ((video_adapter_info_t *)arg)->va_type = adp->va_type;
731 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name,
732 imin(strlen(adp->va_name) + 1,
733 sizeof(((video_adapter_info_t *)arg)->va_name)));
734 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit;
735 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags;
736 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base;
737 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size;
738 ((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr;
739 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base;
740 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size;
741 ((video_adapter_info_t *)arg)->va_window
742#ifdef __i386__
743 = vtophys(adp->va_window);
744#else
745 = adp->va_window;
746#endif
747 ((video_adapter_info_t *)arg)->va_window_size
748 = adp->va_window_size;
749 ((video_adapter_info_t *)arg)->va_window_gran
750 = adp->va_window_gran;
751 ((video_adapter_info_t *)arg)->va_window_orig
752 = adp->va_window_orig;
753 ((video_adapter_info_t *)arg)->va_unused0
754#ifdef __i386__
755 = (adp->va_buffer) ? vtophys(adp->va_buffer) : 0;
756#else
757 = adp->va_buffer;
758#endif
759 ((video_adapter_info_t *)arg)->va_buffer_size
760 = adp->va_buffer_size;
761 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode;
762 ((video_adapter_info_t *)arg)->va_initial_mode
763 = adp->va_initial_mode;
764 ((video_adapter_info_t *)arg)->va_initial_bios_mode
765 = adp->va_initial_bios_mode;
766 ((video_adapter_info_t *)arg)->va_line_width
767 = adp->va_line_width;
768 ((video_adapter_info_t *)arg)->va_disp_start.x
769 = adp->va_disp_start.x;
770 ((video_adapter_info_t *)arg)->va_disp_start.y
771 = adp->va_disp_start.y;
772 break;
773
774 case FBIO_MODEINFO: /* get mode information */
775 error = (*vidsw[adp->va_index]->get_info)(adp,
776 ((video_info_t *)arg)->vi_mode,
777 (video_info_t *)arg);
778 if (error)
779 error = ENODEV;
780 break;
781
782 case FBIO_FINDMODE: /* find a matching video mode */
783 error = (*vidsw[adp->va_index]->query_mode)(adp,
784 (video_info_t *)arg);
785 break;
786
787 case FBIO_GETMODE: /* get video mode */
788 *(int *)arg = adp->va_mode;
789 break;
790
791 case FBIO_SETMODE: /* set video mode */
792 error = (*vidsw[adp->va_index]->set_mode)(adp, *(int *)arg);
793 if (error)
794 error = ENODEV; /* EINVAL? */
795 break;
796
797 case FBIO_GETWINORG: /* get frame buffer window origin */
798 *(u_int *)arg = adp->va_window_orig;
799 break;
800
801 case FBIO_GETDISPSTART: /* get display start address */
802 ((video_display_start_t *)arg)->x = adp->va_disp_start.x;
803 ((video_display_start_t *)arg)->y = adp->va_disp_start.y;
804 break;
805
806 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
807 *(u_int *)arg = adp->va_line_width;
808 break;
809
810 case FBIO_GETPALETTE: /* get color palette */
811 case FBIO_SETPALETTE: /* set color palette */
812 /* XXX */
813
814 case FBIOPUTCMAP:
815 case FBIOGETCMAP:
816 /* XXX */
817
818 case FBIO_SETWINORG: /* set frame buffer window origin */
819 case FBIO_SETDISPSTART: /* set display start address */
820 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */
821
822 case FBIOGTYPE:
823 case FBIOGATTR:
824 case FBIOSVIDEO:
825 case FBIOGVIDEO:
826 case FBIOSCURSOR:
827 case FBIOGCURSOR:
828 case FBIOSCURPOS:
829 case FBIOGCURPOS:
830 case FBIOGCURMAX:
831
832 default:
833 error = ENODEV;
834 break;
835 }
836
837 splx(s);
838 return error;
839}