FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/vesa.c
1 /*-
2 * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith
3 * Copyright (c) 2009-2013 Jung-uk Kim <jkim@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer as
11 * the first lines of this file unmodified.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD: releng/11.1/sys/dev/fb/vesa.c 317500 2017-04-27 12:12:33Z kib $");
30
31 #include "opt_vga.h"
32 #include "opt_vesa.h"
33
34 #ifndef VGA_NO_MODE_CHANGE
35
36 #include <sys/param.h>
37 #include <sys/bus.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/lock.h>
41 #include <sys/module.h>
42 #include <sys/malloc.h>
43 #include <sys/mutex.h>
44 #include <sys/fbio.h>
45 #include <sys/sysctl.h>
46
47 #include <vm/vm.h>
48 #include <vm/vm_extern.h>
49 #include <vm/vm_kern.h>
50 #include <vm/vm_param.h>
51 #include <vm/pmap.h>
52
53 #include <machine/pc/bios.h>
54 #include <dev/fb/vesa.h>
55
56 #include <dev/fb/fbreg.h>
57 #include <dev/fb/vgareg.h>
58
59 #include <dev/pci/pcivar.h>
60
61 #include <isa/isareg.h>
62
63 #include <compat/x86bios/x86bios.h>
64
65 #define VESA_BIOS_OFFSET 0xc0000
66 #define VESA_PALETTE_SIZE (256 * 4)
67 #define VESA_VIA_CLE266 "VIA CLE266\r\n"
68
69 #ifndef VESA_DEBUG
70 #define VESA_DEBUG 0
71 #endif
72
73 /* VESA video adapter state buffer stub */
74 struct adp_state {
75 int sig;
76 #define V_STATE_SIG 0x61736576
77 u_char regs[1];
78 };
79 typedef struct adp_state adp_state_t;
80
81 static struct mtx vesa_lock;
82 MTX_SYSINIT(vesa_lock, &vesa_lock, "VESA lock", MTX_DEF);
83
84 static int vesa_state;
85 static void *vesa_state_buf;
86 static uint32_t vesa_state_buf_offs;
87 static size_t vesa_state_buf_size;
88
89 static u_char *vesa_palette;
90 static uint32_t vesa_palette_offs;
91
92 static void *vesa_vmem_buf;
93 static size_t vesa_vmem_max;
94
95 static void *vesa_bios;
96 static uint32_t vesa_bios_offs;
97 static uint32_t vesa_bios_int10;
98 static size_t vesa_bios_size;
99
100 /* VESA video adapter */
101 static video_adapter_t *vesa_adp;
102
103 static SYSCTL_NODE(_debug, OID_AUTO, vesa, CTLFLAG_RD, NULL, "VESA debugging");
104 static int vesa_shadow_rom;
105 SYSCTL_INT(_debug_vesa, OID_AUTO, shadow_rom, CTLFLAG_RDTUN, &vesa_shadow_rom,
106 0, "Enable video BIOS shadow");
107
108 /* VESA functions */
109 #if 0
110 static int vesa_nop(void);
111 #endif
112 static int vesa_error(void);
113 static vi_probe_t vesa_probe;
114 static vi_init_t vesa_init;
115 static vi_get_info_t vesa_get_info;
116 static vi_query_mode_t vesa_query_mode;
117 static vi_set_mode_t vesa_set_mode;
118 static vi_save_font_t vesa_save_font;
119 static vi_load_font_t vesa_load_font;
120 static vi_show_font_t vesa_show_font;
121 static vi_save_palette_t vesa_save_palette;
122 static vi_load_palette_t vesa_load_palette;
123 static vi_set_border_t vesa_set_border;
124 static vi_save_state_t vesa_save_state;
125 static vi_load_state_t vesa_load_state;
126 static vi_set_win_org_t vesa_set_origin;
127 static vi_read_hw_cursor_t vesa_read_hw_cursor;
128 static vi_set_hw_cursor_t vesa_set_hw_cursor;
129 static vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape;
130 static vi_blank_display_t vesa_blank_display;
131 static vi_mmap_t vesa_mmap;
132 static vi_ioctl_t vesa_ioctl;
133 static vi_clear_t vesa_clear;
134 static vi_fill_rect_t vesa_fill_rect;
135 static vi_bitblt_t vesa_bitblt;
136 static vi_diag_t vesa_diag;
137 static int vesa_bios_info(int level);
138
139 static video_switch_t vesavidsw = {
140 vesa_probe,
141 vesa_init,
142 vesa_get_info,
143 vesa_query_mode,
144 vesa_set_mode,
145 vesa_save_font,
146 vesa_load_font,
147 vesa_show_font,
148 vesa_save_palette,
149 vesa_load_palette,
150 vesa_set_border,
151 vesa_save_state,
152 vesa_load_state,
153 vesa_set_origin,
154 vesa_read_hw_cursor,
155 vesa_set_hw_cursor,
156 vesa_set_hw_cursor_shape,
157 vesa_blank_display,
158 vesa_mmap,
159 vesa_ioctl,
160 vesa_clear,
161 vesa_fill_rect,
162 vesa_bitblt,
163 vesa_error,
164 vesa_error,
165 vesa_diag,
166 };
167
168 static video_switch_t *prevvidsw;
169
170 /* VESA BIOS video modes */
171 #define VESA_MAXMODES 64
172 #define EOT (-1)
173 #define NA (-2)
174
175 #define MODE_TABLE_DELTA 8
176
177 static int vesa_vmode_max;
178 static video_info_t *vesa_vmode;
179
180 static int vesa_init_done;
181 static struct vesa_info *vesa_adp_info;
182 static u_int16_t *vesa_vmodetab;
183 static char *vesa_oemstr;
184 static char *vesa_venderstr;
185 static char *vesa_prodstr;
186 static char *vesa_revstr;
187
188 /* local macros and functions */
189 #define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff))
190
191 static int int10_set_mode(int mode);
192 static int vesa_bios_post(void);
193 static int vesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags);
194 static int vesa_bios_set_mode(int mode);
195 #if 0
196 static int vesa_bios_get_dac(void);
197 #endif
198 static int vesa_bios_set_dac(int bits);
199 static int vesa_bios_save_palette(int start, int colors, u_char *palette,
200 int bits);
201 static int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g,
202 u_char *b, int bits);
203 static int vesa_bios_load_palette(int start, int colors, u_char *palette,
204 int bits);
205 static int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g,
206 u_char *b, int bits);
207 #define STATE_SIZE 0
208 #define STATE_SAVE 1
209 #define STATE_LOAD 2
210 static size_t vesa_bios_state_buf_size(int);
211 static int vesa_bios_save_restore(int code, void *p);
212 #ifdef MODE_TABLE_BROKEN
213 static int vesa_bios_get_line_length(void);
214 #endif
215 static int vesa_bios_set_line_length(int pixel, int *bytes, int *lines);
216 #if 0
217 static int vesa_bios_get_start(int *x, int *y);
218 #endif
219 static int vesa_bios_set_start(int x, int y);
220 static int vesa_map_gen_mode_num(int type, int color, int mode);
221 static int vesa_translate_flags(u_int16_t vflags);
222 static int vesa_translate_mmodel(u_int8_t vmodel);
223 static int vesa_get_bpscanline(struct vesa_mode *vmode);
224 static int vesa_bios_init(void);
225 static void vesa_bios_uninit(void);
226 static void vesa_clear_modes(video_info_t *info, int color);
227
228 #if 0
229 static int vesa_get_origin(video_adapter_t *adp, off_t *offset);
230 #endif
231
232 /* INT 10 BIOS calls */
233 static int
234 int10_set_mode(int mode)
235 {
236 x86regs_t regs;
237
238 x86bios_init_regs(®s);
239 regs.R_AL = mode;
240
241 x86bios_intr(®s, 0x10);
242
243 return (0);
244 }
245
246 static int
247 vesa_bios_post(void)
248 {
249 x86regs_t regs;
250 devclass_t dc;
251 device_t *devs;
252 device_t dev;
253 int count, i, is_pci;
254
255 if (x86bios_get_orm(vesa_bios_offs) == NULL)
256 return (1);
257
258 dev = NULL;
259 is_pci = 0;
260
261 /* Find the matching PCI video controller. */
262 dc = devclass_find("vgapci");
263 if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) {
264 for (i = 0; i < count; i++)
265 if (device_get_flags(devs[i]) != 0 &&
266 x86bios_match_device(vesa_bios_offs, devs[i])) {
267 dev = devs[i];
268 is_pci = 1;
269 break;
270 }
271 free(devs, M_TEMP);
272 }
273
274 /* Try VGA if a PCI device is not found. */
275 if (dev == NULL) {
276 dc = devclass_find(VGA_DRIVER_NAME);
277 if (dc != NULL)
278 dev = devclass_get_device(dc, 0);
279 }
280
281 if (bootverbose)
282 printf("%s: calling BIOS POST\n",
283 dev == NULL ? "VESA" : device_get_nameunit(dev));
284
285 x86bios_init_regs(®s);
286 if (is_pci) {
287 regs.R_AH = pci_get_bus(dev);
288 regs.R_AL = (pci_get_slot(dev) << 3) |
289 (pci_get_function(dev) & 0x07);
290 }
291 regs.R_DL = 0x80;
292 x86bios_call(®s, X86BIOS_PHYSTOSEG(vesa_bios_offs + 3),
293 X86BIOS_PHYSTOOFF(vesa_bios_offs + 3));
294
295 if (x86bios_get_intr(0x10) == 0)
296 return (1);
297
298 return (0);
299 }
300
301 /* VESA BIOS calls */
302 static int
303 vesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags)
304 {
305 x86regs_t regs;
306 uint32_t offs;
307 void *buf;
308
309 buf = x86bios_alloc(&offs, sizeof(*vmode), flags);
310 if (buf == NULL)
311 return (1);
312
313 x86bios_init_regs(®s);
314 regs.R_AX = 0x4f01;
315 regs.R_CX = mode;
316
317 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
318 regs.R_DI = X86BIOS_PHYSTOOFF(offs);
319
320 x86bios_intr(®s, 0x10);
321
322 if (regs.R_AX != 0x004f) {
323 x86bios_free(buf, sizeof(*vmode));
324 return (1);
325 }
326
327 bcopy(buf, vmode, sizeof(*vmode));
328 x86bios_free(buf, sizeof(*vmode));
329
330 return (0);
331 }
332
333 static int
334 vesa_bios_set_mode(int mode)
335 {
336 x86regs_t regs;
337
338 x86bios_init_regs(®s);
339 regs.R_AX = 0x4f02;
340 regs.R_BX = mode;
341
342 x86bios_intr(®s, 0x10);
343
344 return (regs.R_AX != 0x004f);
345 }
346
347 #if 0
348 static int
349 vesa_bios_get_dac(void)
350 {
351 x86regs_t regs;
352
353 x86bios_init_regs(®s);
354 regs.R_AX = 0x4f08;
355 regs.R_BL = 1;
356
357 x86bios_intr(®s, 0x10);
358
359 if (regs.R_AX != 0x004f)
360 return (6);
361
362 return (regs.R_BH);
363 }
364 #endif
365
366 static int
367 vesa_bios_set_dac(int bits)
368 {
369 x86regs_t regs;
370
371 x86bios_init_regs(®s);
372 regs.R_AX = 0x4f08;
373 /* regs.R_BL = 0; */
374 regs.R_BH = bits;
375
376 x86bios_intr(®s, 0x10);
377
378 if (regs.R_AX != 0x004f)
379 return (6);
380
381 return (regs.R_BH);
382 }
383
384 static int
385 vesa_bios_save_palette(int start, int colors, u_char *palette, int bits)
386 {
387 x86regs_t regs;
388 int i;
389
390 x86bios_init_regs(®s);
391 regs.R_AX = 0x4f09;
392 regs.R_BL = 1;
393 regs.R_CX = colors;
394 regs.R_DX = start;
395
396 regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs);
397 regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs);
398
399 bits = 8 - bits;
400 mtx_lock(&vesa_lock);
401 x86bios_intr(®s, 0x10);
402 if (regs.R_AX != 0x004f) {
403 mtx_unlock(&vesa_lock);
404 return (1);
405 }
406 for (i = 0; i < colors; ++i) {
407 palette[i * 3] = vesa_palette[i * 4 + 2] << bits;
408 palette[i * 3 + 1] = vesa_palette[i * 4 + 1] << bits;
409 palette[i * 3 + 2] = vesa_palette[i * 4] << bits;
410 }
411 mtx_unlock(&vesa_lock);
412
413 return (0);
414 }
415
416 static int
417 vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
418 int bits)
419 {
420 x86regs_t regs;
421 int i;
422
423 x86bios_init_regs(®s);
424 regs.R_AX = 0x4f09;
425 regs.R_BL = 1;
426 regs.R_CX = colors;
427 regs.R_DX = start;
428
429 regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs);
430 regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs);
431
432 bits = 8 - bits;
433 mtx_lock(&vesa_lock);
434 x86bios_intr(®s, 0x10);
435 if (regs.R_AX != 0x004f) {
436 mtx_unlock(&vesa_lock);
437 return (1);
438 }
439 for (i = 0; i < colors; ++i) {
440 r[i] = vesa_palette[i * 4 + 2] << bits;
441 g[i] = vesa_palette[i * 4 + 1] << bits;
442 b[i] = vesa_palette[i * 4] << bits;
443 }
444 mtx_unlock(&vesa_lock);
445
446 return (0);
447 }
448
449 static int
450 vesa_bios_load_palette(int start, int colors, u_char *palette, int bits)
451 {
452 x86regs_t regs;
453 int i;
454
455 x86bios_init_regs(®s);
456 regs.R_AX = 0x4f09;
457 /* regs.R_BL = 0; */
458 regs.R_CX = colors;
459 regs.R_DX = start;
460
461 regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs);
462 regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs);
463
464 bits = 8 - bits;
465 mtx_lock(&vesa_lock);
466 for (i = 0; i < colors; ++i) {
467 vesa_palette[i * 4] = palette[i * 3 + 2] >> bits;
468 vesa_palette[i * 4 + 1] = palette[i * 3 + 1] >> bits;
469 vesa_palette[i * 4 + 2] = palette[i * 3] >> bits;
470 vesa_palette[i * 4 + 3] = 0;
471 }
472 x86bios_intr(®s, 0x10);
473 mtx_unlock(&vesa_lock);
474
475 return (regs.R_AX != 0x004f);
476 }
477
478 static int
479 vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
480 int bits)
481 {
482 x86regs_t regs;
483 int i;
484
485 x86bios_init_regs(®s);
486 regs.R_AX = 0x4f09;
487 /* regs.R_BL = 0; */
488 regs.R_CX = colors;
489 regs.R_DX = start;
490
491 regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs);
492 regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs);
493
494 bits = 8 - bits;
495 mtx_lock(&vesa_lock);
496 for (i = 0; i < colors; ++i) {
497 vesa_palette[i * 4] = b[i] >> bits;
498 vesa_palette[i * 4 + 1] = g[i] >> bits;
499 vesa_palette[i * 4 + 2] = r[i] >> bits;
500 vesa_palette[i * 4 + 3] = 0;
501 }
502 x86bios_intr(®s, 0x10);
503 mtx_unlock(&vesa_lock);
504
505 return (regs.R_AX != 0x004f);
506 }
507
508 static size_t
509 vesa_bios_state_buf_size(int state)
510 {
511 x86regs_t regs;
512
513 x86bios_init_regs(®s);
514 regs.R_AX = 0x4f04;
515 /* regs.R_DL = STATE_SIZE; */
516 regs.R_CX = state;
517
518 x86bios_intr(®s, 0x10);
519
520 if (regs.R_AX != 0x004f)
521 return (0);
522
523 return (regs.R_BX * 64);
524 }
525
526 static int
527 vesa_bios_save_restore(int code, void *p)
528 {
529 x86regs_t regs;
530
531 if (code != STATE_SAVE && code != STATE_LOAD)
532 return (1);
533
534 x86bios_init_regs(®s);
535 regs.R_AX = 0x4f04;
536 regs.R_DL = code;
537 regs.R_CX = vesa_state;
538
539 regs.R_ES = X86BIOS_PHYSTOSEG(vesa_state_buf_offs);
540 regs.R_BX = X86BIOS_PHYSTOOFF(vesa_state_buf_offs);
541
542 mtx_lock(&vesa_lock);
543 switch (code) {
544 case STATE_SAVE:
545 x86bios_intr(®s, 0x10);
546 if (regs.R_AX == 0x004f)
547 bcopy(vesa_state_buf, p, vesa_state_buf_size);
548 break;
549 case STATE_LOAD:
550 bcopy(p, vesa_state_buf, vesa_state_buf_size);
551 x86bios_intr(®s, 0x10);
552 break;
553 }
554 mtx_unlock(&vesa_lock);
555
556 return (regs.R_AX != 0x004f);
557 }
558
559 #ifdef MODE_TABLE_BROKEN
560 static int
561 vesa_bios_get_line_length(void)
562 {
563 x86regs_t regs;
564
565 x86bios_init_regs(®s);
566 regs.R_AX = 0x4f06;
567 regs.R_BL = 1;
568
569 x86bios_intr(®s, 0x10);
570
571 if (regs.R_AX != 0x004f)
572 return (-1);
573
574 return (regs.R_BX);
575 }
576 #endif
577
578 static int
579 vesa_bios_set_line_length(int pixel, int *bytes, int *lines)
580 {
581 x86regs_t regs;
582
583 x86bios_init_regs(®s);
584 regs.R_AX = 0x4f06;
585 /* regs.R_BL = 0; */
586 regs.R_CX = pixel;
587
588 x86bios_intr(®s, 0x10);
589
590 #if VESA_DEBUG > 1
591 printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX);
592 #endif
593 if (regs.R_AX != 0x004f)
594 return (-1);
595
596 if (bytes != NULL)
597 *bytes = regs.R_BX;
598 if (lines != NULL)
599 *lines = regs.R_DX;
600
601 return (0);
602 }
603
604 #if 0
605 static int
606 vesa_bios_get_start(int *x, int *y)
607 {
608 x86regs_t regs;
609
610 x86bios_init_regs(®s);
611 regs.R_AX = 0x4f07;
612 regs.R_BL = 1;
613
614 x86bios_intr(®s, 0x10);
615
616 if (regs.R_AX != 0x004f)
617 return (-1);
618
619 *x = regs.R_CX;
620 *y = regs.R_DX;
621
622 return (0);
623 }
624 #endif
625
626 static int
627 vesa_bios_set_start(int x, int y)
628 {
629 x86regs_t regs;
630
631 x86bios_init_regs(®s);
632 regs.R_AX = 0x4f07;
633 regs.R_BL = 0x80;
634 regs.R_CX = x;
635 regs.R_DX = y;
636
637 x86bios_intr(®s, 0x10);
638
639 return (regs.R_AX != 0x004f);
640 }
641
642 /* map a generic video mode to a known mode */
643 static int
644 vesa_map_gen_mode_num(int type, int color, int mode)
645 {
646 static struct {
647 int from;
648 int to;
649 } mode_map[] = {
650 { M_TEXT_132x25, M_VESA_C132x25 },
651 { M_TEXT_132x43, M_VESA_C132x43 },
652 { M_TEXT_132x50, M_VESA_C132x50 },
653 { M_TEXT_132x60, M_VESA_C132x60 },
654 };
655 int i;
656
657 for (i = 0; i < nitems(mode_map); ++i) {
658 if (mode_map[i].from == mode)
659 return (mode_map[i].to);
660 }
661 return (mode);
662 }
663
664 static int
665 vesa_translate_flags(u_int16_t vflags)
666 {
667 static struct {
668 u_int16_t mask;
669 int set;
670 int reset;
671 } ftable[] = {
672 { V_MODECOLOR, V_INFO_COLOR, 0 },
673 { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 },
674 { V_MODELFB, V_INFO_LINEAR, 0 },
675 { V_MODENONVGA, V_INFO_NONVGA, 0 },
676 };
677 int flags;
678 int i;
679
680 for (flags = 0, i = 0; i < nitems(ftable); ++i) {
681 flags |= (vflags & ftable[i].mask) ?
682 ftable[i].set : ftable[i].reset;
683 }
684 return (flags);
685 }
686
687 static int
688 vesa_translate_mmodel(u_int8_t vmodel)
689 {
690 static struct {
691 u_int8_t vmodel;
692 int mmodel;
693 } mtable[] = {
694 { V_MMTEXT, V_INFO_MM_TEXT },
695 { V_MMCGA, V_INFO_MM_CGA },
696 { V_MMHGC, V_INFO_MM_HGC },
697 { V_MMEGA, V_INFO_MM_PLANAR },
698 { V_MMPACKED, V_INFO_MM_PACKED },
699 { V_MMDIRCOLOR, V_INFO_MM_DIRECT },
700 };
701 int i;
702
703 for (i = 0; mtable[i].mmodel >= 0; ++i) {
704 if (mtable[i].vmodel == vmodel)
705 return (mtable[i].mmodel);
706 }
707 return (V_INFO_MM_OTHER);
708 }
709
710 static int
711 vesa_get_bpscanline(struct vesa_mode *vmode)
712 {
713 int bpsl;
714
715 if ((vmode->v_modeattr & V_MODEGRAPHICS) != 0) {
716 /* Find the minimum length. */
717 switch (vmode->v_bpp / vmode->v_planes) {
718 case 1:
719 bpsl = vmode->v_width / 8;
720 break;
721 case 2:
722 bpsl = vmode->v_width / 4;
723 break;
724 case 4:
725 bpsl = vmode->v_width / 2;
726 break;
727 default:
728 bpsl = vmode->v_width * ((vmode->v_bpp + 7) / 8);
729 bpsl /= vmode->v_planes;
730 break;
731 }
732
733 /* Use VBE 3.0 information if it looks sane. */
734 if ((vmode->v_modeattr & V_MODELFB) != 0 &&
735 vesa_adp_info->v_version >= 0x0300 &&
736 vmode->v_linbpscanline > bpsl)
737 return (vmode->v_linbpscanline);
738
739 /* Return the minimum if the mode table looks absurd. */
740 if (vmode->v_bpscanline < bpsl)
741 return (bpsl);
742 }
743
744 return (vmode->v_bpscanline);
745 }
746
747 #define VESA_MAXSTR 256
748
749 #define VESA_STRCPY(dst, src) do { \
750 char *str; \
751 int i; \
752 dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \
753 str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \
754 for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \
755 dst[i] = str[i]; \
756 dst[i] = '\0'; \
757 } while (0)
758
759 static int
760 vesa_bios_init(void)
761 {
762 struct vesa_mode vmode;
763 struct vesa_info *buf;
764 video_info_t *p;
765 x86regs_t regs;
766 size_t bsize;
767 size_t msize;
768 void *vmbuf;
769 uint8_t *vbios;
770 uint32_t offs;
771 uint16_t vers;
772 int is_via_cle266;
773 int modes;
774 int i;
775
776 if (vesa_init_done)
777 return (0);
778
779 vesa_bios_offs = VESA_BIOS_OFFSET;
780
781 /*
782 * If the VBE real mode interrupt vector is not found, try BIOS POST.
783 */
784 vesa_bios_int10 = x86bios_get_intr(0x10);
785 if (vesa_bios_int10 == 0) {
786 if (vesa_bios_post() != 0)
787 return (1);
788 vesa_bios_int10 = x86bios_get_intr(0x10);
789 if (vesa_bios_int10 == 0)
790 return (1);
791 }
792
793 /*
794 * Shadow video ROM.
795 */
796 offs = vesa_bios_int10;
797 if (vesa_shadow_rom) {
798 vbios = x86bios_get_orm(vesa_bios_offs);
799 if (vbios != NULL) {
800 vesa_bios_size = vbios[2] * 512;
801 if (((VESA_BIOS_OFFSET << 12) & 0xffff0000) ==
802 (vesa_bios_int10 & 0xffff0000) &&
803 vesa_bios_size > (vesa_bios_int10 & 0xffff)) {
804 vesa_bios = x86bios_alloc(&vesa_bios_offs,
805 vesa_bios_size, M_WAITOK);
806 bcopy(vbios, vesa_bios, vesa_bios_size);
807 offs = ((vesa_bios_offs << 12) & 0xffff0000) +
808 (vesa_bios_int10 & 0xffff);
809 x86bios_set_intr(0x10, offs);
810 }
811 }
812 if (vesa_bios == NULL)
813 printf("VESA: failed to shadow video ROM\n");
814 }
815 if (bootverbose)
816 printf("VESA: INT 0x10 vector 0x%04x:0x%04x\n",
817 (offs >> 16) & 0xffff, offs & 0xffff);
818
819 x86bios_init_regs(®s);
820 regs.R_AX = 0x4f00;
821
822 vmbuf = x86bios_alloc(&offs, sizeof(*buf), M_WAITOK);
823
824 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
825 regs.R_DI = X86BIOS_PHYSTOOFF(offs);
826
827 bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */
828 x86bios_intr(®s, 0x10);
829
830 if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0)
831 goto fail;
832
833 vesa_adp_info = buf = malloc(sizeof(*buf), M_DEVBUF, M_WAITOK);
834 bcopy(vmbuf, buf, sizeof(*buf));
835
836 if (bootverbose) {
837 printf("VESA: information block\n");
838 hexdump(buf, sizeof(*buf), NULL, HD_OMIT_CHARS);
839 }
840
841 vers = buf->v_version = le16toh(buf->v_version);
842 buf->v_oemstr = le32toh(buf->v_oemstr);
843 buf->v_flags = le32toh(buf->v_flags);
844 buf->v_modetable = le32toh(buf->v_modetable);
845 buf->v_memsize = le16toh(buf->v_memsize);
846 buf->v_revision = le16toh(buf->v_revision);
847 buf->v_venderstr = le32toh(buf->v_venderstr);
848 buf->v_prodstr = le32toh(buf->v_prodstr);
849 buf->v_revstr = le32toh(buf->v_revstr);
850
851 if (vers < 0x0102) {
852 printf("VESA: VBE version %d.%d is not supported; "
853 "version 1.2 or later is required.\n",
854 ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8),
855 ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f));
856 goto fail;
857 }
858
859 VESA_STRCPY(vesa_oemstr, buf->v_oemstr);
860 if (vers >= 0x0200) {
861 VESA_STRCPY(vesa_venderstr, buf->v_venderstr);
862 VESA_STRCPY(vesa_prodstr, buf->v_prodstr);
863 VESA_STRCPY(vesa_revstr, buf->v_revstr);
864 }
865 is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266,
866 sizeof(VESA_VIA_CLE266)) == 0;
867
868 if (buf->v_modetable == 0)
869 goto fail;
870
871 msize = (size_t)buf->v_memsize * 64 * 1024;
872
873 vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf->v_modetable));
874
875 for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) &&
876 (vesa_vmodetab[i] != 0xffff); ++i) {
877 vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]);
878 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_WAITOK))
879 continue;
880
881 vmode.v_modeattr = le16toh(vmode.v_modeattr);
882 vmode.v_wgran = le16toh(vmode.v_wgran);
883 vmode.v_wsize = le16toh(vmode.v_wsize);
884 vmode.v_waseg = le16toh(vmode.v_waseg);
885 vmode.v_wbseg = le16toh(vmode.v_wbseg);
886 vmode.v_posfunc = le32toh(vmode.v_posfunc);
887 vmode.v_bpscanline = le16toh(vmode.v_bpscanline);
888 vmode.v_width = le16toh(vmode.v_width);
889 vmode.v_height = le16toh(vmode.v_height);
890 vmode.v_lfb = le32toh(vmode.v_lfb);
891 vmode.v_offscreen = le32toh(vmode.v_offscreen);
892 vmode.v_offscreensize = le16toh(vmode.v_offscreensize);
893 vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline);
894 vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock);
895
896 /* reject unsupported modes */
897 #if 0
898 if ((vmode.v_modeattr &
899 (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) !=
900 (V_MODESUPP | V_MODEOPTINFO))
901 continue;
902 #else
903 if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) {
904 #if VESA_DEBUG > 1
905 printf("Rejecting VESA %s mode: %d x %d x %d bpp "
906 " attr = %x\n",
907 vmode.v_modeattr & V_MODEGRAPHICS ?
908 "graphics" : "text",
909 vmode.v_width, vmode.v_height, vmode.v_bpp,
910 vmode.v_modeattr);
911 #endif
912 continue;
913 }
914 #endif
915
916 bsize = vesa_get_bpscanline(&vmode) * vmode.v_height;
917 if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0)
918 bsize *= vmode.v_planes;
919
920 /* Does it have enough memory to support this mode? */
921 if (msize < bsize) {
922 #if VESA_DEBUG > 1
923 printf("Rejecting VESA %s mode: %d x %d x %d bpp "
924 " attr = %x, not enough memory\n",
925 vmode.v_modeattr & V_MODEGRAPHICS ?
926 "graphics" : "text",
927 vmode.v_width, vmode.v_height, vmode.v_bpp,
928 vmode.v_modeattr);
929 #endif
930 continue;
931 }
932 if (bsize > vesa_vmem_max)
933 vesa_vmem_max = bsize;
934
935 /* expand the array if necessary */
936 if (modes >= vesa_vmode_max) {
937 vesa_vmode_max += MODE_TABLE_DELTA;
938 p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1),
939 M_DEVBUF, M_WAITOK);
940 #if VESA_DEBUG > 1
941 printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n",
942 modes, vesa_vmode_max);
943 #endif
944 if (modes > 0) {
945 bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes);
946 free(vesa_vmode, M_DEVBUF);
947 }
948 vesa_vmode = p;
949 }
950
951 #if VESA_DEBUG > 1
952 printf("Found VESA %s mode: %d x %d x %d bpp\n",
953 vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text",
954 vmode.v_width, vmode.v_height, vmode.v_bpp);
955 #endif
956 if (is_via_cle266) {
957 if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) {
958 vmode.v_width &= 0xff;
959 vmode.v_waseg = 0xb8000 >> 4;
960 }
961 }
962
963 /* copy some fields */
964 bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes]));
965 vesa_vmode[modes].vi_mode = vesa_vmodetab[i];
966 vesa_vmode[modes].vi_width = vmode.v_width;
967 vesa_vmode[modes].vi_height = vmode.v_height;
968 vesa_vmode[modes].vi_depth = vmode.v_bpp;
969 vesa_vmode[modes].vi_planes = vmode.v_planes;
970 vesa_vmode[modes].vi_cwidth = vmode.v_cwidth;
971 vesa_vmode[modes].vi_cheight = vmode.v_cheight;
972 vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4;
973 /* XXX window B */
974 vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024;
975 vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024;
976 if (vmode.v_modeattr & V_MODELFB)
977 vesa_vmode[modes].vi_buffer = vmode.v_lfb;
978 vesa_vmode[modes].vi_buffer_size = bsize;
979 vesa_vmode[modes].vi_mem_model =
980 vesa_translate_mmodel(vmode.v_memmodel);
981 switch (vesa_vmode[modes].vi_mem_model) {
982 case V_INFO_MM_DIRECT:
983 if ((vmode.v_modeattr & V_MODELFB) != 0 &&
984 vers >= 0x0300) {
985 vesa_vmode[modes].vi_pixel_fields[0] =
986 vmode.v_linredfieldpos;
987 vesa_vmode[modes].vi_pixel_fields[1] =
988 vmode.v_lingreenfieldpos;
989 vesa_vmode[modes].vi_pixel_fields[2] =
990 vmode.v_linbluefieldpos;
991 vesa_vmode[modes].vi_pixel_fields[3] =
992 vmode.v_linresfieldpos;
993 vesa_vmode[modes].vi_pixel_fsizes[0] =
994 vmode.v_linredmasksize;
995 vesa_vmode[modes].vi_pixel_fsizes[1] =
996 vmode.v_lingreenmasksize;
997 vesa_vmode[modes].vi_pixel_fsizes[2] =
998 vmode.v_linbluemasksize;
999 vesa_vmode[modes].vi_pixel_fsizes[3] =
1000 vmode.v_linresmasksize;
1001 } else {
1002 vesa_vmode[modes].vi_pixel_fields[0] =
1003 vmode.v_redfieldpos;
1004 vesa_vmode[modes].vi_pixel_fields[1] =
1005 vmode.v_greenfieldpos;
1006 vesa_vmode[modes].vi_pixel_fields[2] =
1007 vmode.v_bluefieldpos;
1008 vesa_vmode[modes].vi_pixel_fields[3] =
1009 vmode.v_resfieldpos;
1010 vesa_vmode[modes].vi_pixel_fsizes[0] =
1011 vmode.v_redmasksize;
1012 vesa_vmode[modes].vi_pixel_fsizes[1] =
1013 vmode.v_greenmasksize;
1014 vesa_vmode[modes].vi_pixel_fsizes[2] =
1015 vmode.v_bluemasksize;
1016 vesa_vmode[modes].vi_pixel_fsizes[3] =
1017 vmode.v_resmasksize;
1018 }
1019 /* FALLTHROUGH */
1020 case V_INFO_MM_PACKED:
1021 vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8;
1022 break;
1023 }
1024 vesa_vmode[modes].vi_flags =
1025 vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA;
1026
1027 ++modes;
1028 }
1029 if (vesa_vmode != NULL)
1030 vesa_vmode[modes].vi_mode = EOT;
1031
1032 if (bootverbose)
1033 printf("VESA: %d mode(s) found\n", modes);
1034
1035 if (modes == 0)
1036 goto fail;
1037
1038 x86bios_free(vmbuf, sizeof(*buf));
1039
1040 /* Probe supported save/restore states. */
1041 for (i = 0; i < 4; i++)
1042 if (vesa_bios_state_buf_size(1 << i) > 0)
1043 vesa_state |= 1 << i;
1044 if (vesa_state != 0)
1045 vesa_state_buf_size = vesa_bios_state_buf_size(vesa_state);
1046 vesa_palette = x86bios_alloc(&vesa_palette_offs,
1047 VESA_PALETTE_SIZE + vesa_state_buf_size, M_WAITOK);
1048 if (vesa_state_buf_size > 0) {
1049 vesa_state_buf = vesa_palette + VESA_PALETTE_SIZE;
1050 vesa_state_buf_offs = vesa_palette_offs + VESA_PALETTE_SIZE;
1051 }
1052
1053 return (0);
1054
1055 fail:
1056 x86bios_free(vmbuf, sizeof(buf));
1057 vesa_bios_uninit();
1058 return (1);
1059 }
1060
1061 static void
1062 vesa_bios_uninit(void)
1063 {
1064
1065 if (vesa_bios != NULL) {
1066 x86bios_set_intr(0x10, vesa_bios_int10);
1067 vesa_bios_offs = VESA_BIOS_OFFSET;
1068 x86bios_free(vesa_bios, vesa_bios_size);
1069 vesa_bios = NULL;
1070 }
1071 if (vesa_adp_info != NULL) {
1072 free(vesa_adp_info, M_DEVBUF);
1073 vesa_adp_info = NULL;
1074 }
1075 if (vesa_oemstr != NULL) {
1076 free(vesa_oemstr, M_DEVBUF);
1077 vesa_oemstr = NULL;
1078 }
1079 if (vesa_venderstr != NULL) {
1080 free(vesa_venderstr, M_DEVBUF);
1081 vesa_venderstr = NULL;
1082 }
1083 if (vesa_prodstr != NULL) {
1084 free(vesa_prodstr, M_DEVBUF);
1085 vesa_prodstr = NULL;
1086 }
1087 if (vesa_revstr != NULL) {
1088 free(vesa_revstr, M_DEVBUF);
1089 vesa_revstr = NULL;
1090 }
1091 if (vesa_vmode != NULL) {
1092 free(vesa_vmode, M_DEVBUF);
1093 vesa_vmode = NULL;
1094 }
1095 if (vesa_palette != NULL) {
1096 x86bios_free(vesa_palette,
1097 VESA_PALETTE_SIZE + vesa_state_buf_size);
1098 vesa_palette = NULL;
1099 }
1100 }
1101
1102 static void
1103 vesa_clear_modes(video_info_t *info, int color)
1104 {
1105 while (info->vi_mode != EOT) {
1106 if ((info->vi_flags & V_INFO_COLOR) != color)
1107 info->vi_mode = NA;
1108 ++info;
1109 }
1110 }
1111
1112 /* entry points */
1113
1114 static int
1115 vesa_configure(int flags)
1116 {
1117 video_adapter_t *adp;
1118 int adapters;
1119 int error;
1120 int i;
1121
1122 if (vesa_init_done)
1123 return (0);
1124 if (flags & VIO_PROBE_ONLY)
1125 return (0);
1126
1127 /*
1128 * If the VESA module has already been loaded, abort loading
1129 * the module this time.
1130 */
1131 for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) {
1132 if (adp->va_flags & V_ADP_VESA)
1133 return (ENXIO);
1134 if (adp->va_type == KD_VGA)
1135 break;
1136 }
1137
1138 /*
1139 * The VGA adapter is not found. This is because either
1140 * 1) the VGA driver has not been initialized, or 2) the VGA card
1141 * is not present. If 1) is the case, we shall defer
1142 * initialization for now and try again later.
1143 */
1144 if (adp == NULL) {
1145 vga_sub_configure = vesa_configure;
1146 return (ENODEV);
1147 }
1148
1149 /* count number of registered adapters */
1150 for (++i; vid_get_adapter(i) != NULL; ++i)
1151 ;
1152 adapters = i;
1153
1154 /* call VESA BIOS */
1155 vesa_adp = adp;
1156 if (vesa_bios_init()) {
1157 vesa_adp = NULL;
1158 return (ENXIO);
1159 }
1160 vesa_adp->va_flags |= V_ADP_VESA;
1161
1162 /* remove conflicting modes if we have more than one adapter */
1163 if (adapters > 1) {
1164 vesa_clear_modes(vesa_vmode,
1165 (vesa_adp->va_flags & V_ADP_COLOR) ?
1166 V_INFO_COLOR : 0);
1167 }
1168
1169 if ((error = vesa_load_ioctl()) == 0) {
1170 prevvidsw = vidsw[vesa_adp->va_index];
1171 vidsw[vesa_adp->va_index] = &vesavidsw;
1172 vesa_init_done = TRUE;
1173 } else {
1174 vesa_adp = NULL;
1175 return (error);
1176 }
1177
1178 return (0);
1179 }
1180
1181 #if 0
1182 static int
1183 vesa_nop(void)
1184 {
1185
1186 return (0);
1187 }
1188 #endif
1189
1190 static int
1191 vesa_error(void)
1192 {
1193
1194 return (1);
1195 }
1196
1197 static int
1198 vesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags)
1199 {
1200
1201 return ((*prevvidsw->probe)(unit, adpp, arg, flags));
1202 }
1203
1204 static int
1205 vesa_init(int unit, video_adapter_t *adp, int flags)
1206 {
1207
1208 return ((*prevvidsw->init)(unit, adp, flags));
1209 }
1210
1211 static int
1212 vesa_get_info(video_adapter_t *adp, int mode, video_info_t *info)
1213 {
1214 int i;
1215
1216 if ((*prevvidsw->get_info)(adp, mode, info) == 0)
1217 return (0);
1218
1219 if (adp != vesa_adp)
1220 return (1);
1221
1222 mode = vesa_map_gen_mode_num(vesa_adp->va_type,
1223 vesa_adp->va_flags & V_ADP_COLOR, mode);
1224 for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) {
1225 if (vesa_vmode[i].vi_mode == NA)
1226 continue;
1227 if (vesa_vmode[i].vi_mode == mode) {
1228 *info = vesa_vmode[i];
1229 return (0);
1230 }
1231 }
1232 return (1);
1233 }
1234
1235 static int
1236 vesa_query_mode(video_adapter_t *adp, video_info_t *info)
1237 {
1238 int i;
1239
1240 if ((*prevvidsw->query_mode)(adp, info) == 0)
1241 return (0);
1242 if (adp != vesa_adp)
1243 return (ENODEV);
1244
1245 for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) {
1246 if ((info->vi_width != 0)
1247 && (info->vi_width != vesa_vmode[i].vi_width))
1248 continue;
1249 if ((info->vi_height != 0)
1250 && (info->vi_height != vesa_vmode[i].vi_height))
1251 continue;
1252 if ((info->vi_cwidth != 0)
1253 && (info->vi_cwidth != vesa_vmode[i].vi_cwidth))
1254 continue;
1255 if ((info->vi_cheight != 0)
1256 && (info->vi_cheight != vesa_vmode[i].vi_cheight))
1257 continue;
1258 if ((info->vi_depth != 0)
1259 && (info->vi_depth != vesa_vmode[i].vi_depth))
1260 continue;
1261 if ((info->vi_planes != 0)
1262 && (info->vi_planes != vesa_vmode[i].vi_planes))
1263 continue;
1264 /* pixel format, memory model */
1265 if ((info->vi_flags != 0)
1266 && (info->vi_flags != vesa_vmode[i].vi_flags))
1267 continue;
1268 *info = vesa_vmode[i];
1269 return (0);
1270 }
1271 return (ENODEV);
1272 }
1273
1274 static int
1275 vesa_set_mode(video_adapter_t *adp, int mode)
1276 {
1277 video_info_t info;
1278
1279 if (adp != vesa_adp)
1280 return ((*prevvidsw->set_mode)(adp, mode));
1281
1282 mode = vesa_map_gen_mode_num(adp->va_type,
1283 adp->va_flags & V_ADP_COLOR, mode);
1284 #if VESA_DEBUG > 0
1285 printf("VESA: set_mode(): %d(%x) -> %d(%x)\n",
1286 adp->va_mode, adp->va_mode, mode, mode);
1287 #endif
1288 /*
1289 * If the current mode is a VESA mode and the new mode is not,
1290 * restore the state of the adapter first by setting one of the
1291 * standard VGA mode, so that non-standard, extended SVGA registers
1292 * are set to the state compatible with the standard VGA modes.
1293 * Otherwise (*prevvidsw->set_mode)() may not be able to set up
1294 * the new mode correctly.
1295 */
1296 if (VESA_MODE(adp->va_mode)) {
1297 if (!VESA_MODE(mode) &&
1298 (*prevvidsw->get_info)(adp, mode, &info) == 0) {
1299 if ((adp->va_flags & V_ADP_DAC8) != 0) {
1300 vesa_bios_set_dac(6);
1301 adp->va_flags &= ~V_ADP_DAC8;
1302 }
1303 int10_set_mode(adp->va_initial_bios_mode);
1304 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1305 pmap_unmapdev(adp->va_buffer, vesa_vmem_max);
1306 /*
1307 * Once (*prevvidsw->get_info)() succeeded,
1308 * (*prevvidsw->set_mode)() below won't fail...
1309 */
1310 }
1311 }
1312
1313 /* we may not need to handle this mode after all... */
1314 if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0)
1315 return (0);
1316
1317 /* is the new mode supported? */
1318 if (vesa_get_info(adp, mode, &info))
1319 return (1);
1320 /* assert(VESA_MODE(mode)); */
1321
1322 #if VESA_DEBUG > 0
1323 printf("VESA: about to set a VESA mode...\n");
1324 #endif
1325 /* don't use the linear frame buffer for text modes. XXX */
1326 if (!(info.vi_flags & V_INFO_GRAPHICS))
1327 info.vi_flags &= ~V_INFO_LINEAR;
1328
1329 if ((info.vi_flags & V_INFO_LINEAR) != 0)
1330 mode |= 0x4000;
1331 if (vesa_bios_set_mode(mode | 0x8000))
1332 return (1);
1333
1334 /* Palette format is reset by the above VBE function call. */
1335 adp->va_flags &= ~V_ADP_DAC8;
1336
1337 if ((vesa_adp_info->v_flags & V_DAC8) != 0 &&
1338 (info.vi_flags & V_INFO_GRAPHICS) != 0 &&
1339 vesa_bios_set_dac(8) > 6)
1340 adp->va_flags |= V_ADP_DAC8;
1341
1342 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1343 pmap_unmapdev(adp->va_buffer, vesa_vmem_max);
1344
1345 #if VESA_DEBUG > 0
1346 printf("VESA: mode set!\n");
1347 #endif
1348 vesa_adp->va_mode = mode & 0x1ff; /* Mode number is 9-bit. */
1349 vesa_adp->va_flags &= ~V_ADP_COLOR;
1350 vesa_adp->va_flags |=
1351 (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0;
1352 vesa_adp->va_crtc_addr =
1353 (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC;
1354
1355 vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height;
1356 if ((info.vi_flags & V_INFO_GRAPHICS) != 0)
1357 vesa_adp->va_line_width /= info.vi_planes;
1358
1359 #ifdef MODE_TABLE_BROKEN
1360 /* If VBE function returns bigger bytes per scan line, use it. */
1361 {
1362 int bpsl = vesa_bios_get_line_length();
1363 if (bpsl > vesa_adp->va_line_width) {
1364 vesa_adp->va_line_width = bpsl;
1365 info.vi_buffer_size = bpsl * info.vi_height;
1366 if ((info.vi_flags & V_INFO_GRAPHICS) != 0)
1367 info.vi_buffer_size *= info.vi_planes;
1368 }
1369 }
1370 #endif
1371
1372 if (info.vi_flags & V_INFO_LINEAR) {
1373 #if VESA_DEBUG > 1
1374 printf("VESA: setting up LFB\n");
1375 #endif
1376 vesa_adp->va_buffer =
1377 (vm_offset_t)pmap_mapdev_attr(info.vi_buffer,
1378 vesa_vmem_max, PAT_WRITE_COMBINING);
1379 vesa_adp->va_window = vesa_adp->va_buffer;
1380 vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes;
1381 vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes;
1382 } else {
1383 vesa_adp->va_buffer = 0;
1384 vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window);
1385 vesa_adp->va_window_size = info.vi_window_size;
1386 vesa_adp->va_window_gran = info.vi_window_gran;
1387 }
1388 vesa_adp->va_buffer_size = info.vi_buffer_size;
1389 vesa_adp->va_window_orig = 0;
1390 vesa_adp->va_disp_start.x = 0;
1391 vesa_adp->va_disp_start.y = 0;
1392 #if VESA_DEBUG > 0
1393 printf("vesa_set_mode(): vi_width:%d, line_width:%d\n",
1394 info.vi_width, vesa_adp->va_line_width);
1395 #endif
1396 bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info));
1397
1398 /* move hardware cursor out of the way */
1399 (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1);
1400
1401 return (0);
1402 }
1403
1404 static int
1405 vesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth,
1406 u_char *data, int ch, int count)
1407 {
1408
1409 return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data,
1410 ch, count));
1411 }
1412
1413 static int
1414 vesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth,
1415 u_char *data, int ch, int count)
1416 {
1417
1418 return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data,
1419 ch, count));
1420 }
1421
1422 static int
1423 vesa_show_font(video_adapter_t *adp, int page)
1424 {
1425
1426 return ((*prevvidsw->show_font)(adp, page));
1427 }
1428
1429 static int
1430 vesa_save_palette(video_adapter_t *adp, u_char *palette)
1431 {
1432 int bits;
1433
1434 if (adp == vesa_adp && VESA_MODE(adp->va_mode)) {
1435 bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6;
1436 if (vesa_bios_save_palette(0, 256, palette, bits) == 0)
1437 return (0);
1438 }
1439
1440 return ((*prevvidsw->save_palette)(adp, palette));
1441 }
1442
1443 static int
1444 vesa_load_palette(video_adapter_t *adp, u_char *palette)
1445 {
1446 int bits;
1447
1448 if (adp == vesa_adp && VESA_MODE(adp->va_mode)) {
1449 bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6;
1450 if (vesa_bios_load_palette(0, 256, palette, bits) == 0)
1451 return (0);
1452 }
1453
1454 return ((*prevvidsw->load_palette)(adp, palette));
1455 }
1456
1457 static int
1458 vesa_set_border(video_adapter_t *adp, int color)
1459 {
1460
1461 return ((*prevvidsw->set_border)(adp, color));
1462 }
1463
1464 static int
1465 vesa_save_state(video_adapter_t *adp, void *p, size_t size)
1466 {
1467 void *buf;
1468 size_t bsize;
1469
1470 if (adp != vesa_adp || (size == 0 && vesa_state_buf_size == 0))
1471 return ((*prevvidsw->save_state)(adp, p, size));
1472
1473 bsize = offsetof(adp_state_t, regs) + vesa_state_buf_size;
1474 if (size == 0)
1475 return (bsize);
1476 if (vesa_state_buf_size > 0 && size < bsize)
1477 return (EINVAL);
1478
1479 if (vesa_vmem_buf != NULL) {
1480 free(vesa_vmem_buf, M_DEVBUF);
1481 vesa_vmem_buf = NULL;
1482 }
1483 if (VESA_MODE(adp->va_mode)) {
1484 buf = (void *)adp->va_buffer;
1485 if (buf != NULL) {
1486 bsize = adp->va_buffer_size;
1487 vesa_vmem_buf = malloc(bsize, M_DEVBUF, M_NOWAIT);
1488 if (vesa_vmem_buf != NULL)
1489 bcopy(buf, vesa_vmem_buf, bsize);
1490 }
1491 }
1492 if (vesa_state_buf_size == 0)
1493 return ((*prevvidsw->save_state)(adp, p, size));
1494 ((adp_state_t *)p)->sig = V_STATE_SIG;
1495 return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs));
1496 }
1497
1498 static int
1499 vesa_load_state(video_adapter_t *adp, void *p)
1500 {
1501 void *buf;
1502 size_t bsize;
1503 int error, mode;
1504
1505 if (adp != vesa_adp)
1506 return ((*prevvidsw->load_state)(adp, p));
1507
1508 /* Try BIOS POST to restore a sane state. */
1509 (void)vesa_bios_post();
1510 bsize = adp->va_buffer_size;
1511 mode = adp->va_mode;
1512 error = vesa_set_mode(adp, adp->va_initial_mode);
1513 if (mode != adp->va_initial_mode)
1514 error = vesa_set_mode(adp, mode);
1515
1516 if (vesa_vmem_buf != NULL) {
1517 if (error == 0 && VESA_MODE(mode)) {
1518 buf = (void *)adp->va_buffer;
1519 if (buf != NULL)
1520 bcopy(vesa_vmem_buf, buf, bsize);
1521 }
1522 free(vesa_vmem_buf, M_DEVBUF);
1523 vesa_vmem_buf = NULL;
1524 }
1525 if (((adp_state_t *)p)->sig != V_STATE_SIG)
1526 return ((*prevvidsw->load_state)(adp, p));
1527 return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs));
1528 }
1529
1530 #if 0
1531 static int
1532 vesa_get_origin(video_adapter_t *adp, off_t *offset)
1533 {
1534 x86regs_t regs;
1535
1536 x86bios_init_regs(®s);
1537 regs.R_AX = 0x4f05;
1538 regs.R_BL = 0x10;
1539
1540 x86bios_intr(®s, 0x10);
1541
1542 if (regs.R_AX != 0x004f)
1543 return (1);
1544 *offset = regs.DX * adp->va_window_gran;
1545
1546 return (0);
1547 }
1548 #endif
1549
1550 static int
1551 vesa_set_origin(video_adapter_t *adp, off_t offset)
1552 {
1553 x86regs_t regs;
1554
1555 /*
1556 * This function should return as quickly as possible to
1557 * maintain good performance of the system. For this reason,
1558 * error checking is kept minimal and let the VESA BIOS to
1559 * detect error.
1560 */
1561 if (adp != vesa_adp)
1562 return ((*prevvidsw->set_win_org)(adp, offset));
1563
1564 /* if this is a linear frame buffer, do nothing */
1565 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1566 return (0);
1567 /* XXX */
1568 if (adp->va_window_gran == 0)
1569 return (1);
1570
1571 x86bios_init_regs(®s);
1572 regs.R_AX = 0x4f05;
1573 regs.R_DX = offset / adp->va_window_gran;
1574
1575 x86bios_intr(®s, 0x10);
1576
1577 if (regs.R_AX != 0x004f)
1578 return (1);
1579
1580 x86bios_init_regs(®s);
1581 regs.R_AX = 0x4f05;
1582 regs.R_BL = 1;
1583 regs.R_DX = offset / adp->va_window_gran;
1584 x86bios_intr(®s, 0x10);
1585
1586 adp->va_window_orig = rounddown(offset, adp->va_window_gran);
1587 return (0); /* XXX */
1588 }
1589
1590 static int
1591 vesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
1592 {
1593
1594 return ((*prevvidsw->read_hw_cursor)(adp, col, row));
1595 }
1596
1597 static int
1598 vesa_set_hw_cursor(video_adapter_t *adp, int col, int row)
1599 {
1600
1601 return ((*prevvidsw->set_hw_cursor)(adp, col, row));
1602 }
1603
1604 static int
1605 vesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
1606 int celsize, int blink)
1607 {
1608
1609 return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize,
1610 blink));
1611 }
1612
1613 static int
1614 vesa_blank_display(video_adapter_t *adp, int mode)
1615 {
1616
1617 /* XXX: use VESA DPMS */
1618 return ((*prevvidsw->blank_display)(adp, mode));
1619 }
1620
1621 static int
1622 vesa_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
1623 int prot, vm_memattr_t *memattr)
1624 {
1625
1626 #if VESA_DEBUG > 0
1627 printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%jx\n",
1628 adp->va_info.vi_window, adp->va_info.vi_buffer, offset);
1629 #endif
1630
1631 if ((adp == vesa_adp) &&
1632 (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) {
1633 /* va_window_size == va_buffer_size/vi_planes */
1634 /* XXX: is this correct? */
1635 if (offset > adp->va_window_size - PAGE_SIZE)
1636 return (-1);
1637 *paddr = adp->va_info.vi_buffer + offset;
1638 #ifdef VM_MEMATTR_WRITE_COMBINING
1639 *memattr = VM_MEMATTR_WRITE_COMBINING;
1640 #endif
1641 return (0);
1642 }
1643 return ((*prevvidsw->mmap)(adp, offset, paddr, prot, memattr));
1644 }
1645
1646 static int
1647 vesa_clear(video_adapter_t *adp)
1648 {
1649
1650 return ((*prevvidsw->clear)(adp));
1651 }
1652
1653 static int
1654 vesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
1655 {
1656
1657 return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy));
1658 }
1659
1660 static int
1661 vesa_bitblt(video_adapter_t *adp,...)
1662 {
1663
1664 /* FIXME */
1665 return (1);
1666 }
1667
1668 static int
1669 get_palette(video_adapter_t *adp, int base, int count,
1670 u_char *red, u_char *green, u_char *blue, u_char *trans)
1671 {
1672 u_char *r;
1673 u_char *g;
1674 u_char *b;
1675 int bits;
1676 int error;
1677
1678 if (base < 0 || base >= 256 || count < 0 || count > 256)
1679 return (1);
1680 if ((base + count) > 256)
1681 return (1);
1682 if (!VESA_MODE(adp->va_mode))
1683 return (1);
1684
1685 bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6;
1686 r = malloc(count * 3, M_DEVBUF, M_WAITOK);
1687 g = r + count;
1688 b = g + count;
1689 error = vesa_bios_save_palette2(base, count, r, g, b, bits);
1690 if (error == 0) {
1691 copyout(r, red, count);
1692 copyout(g, green, count);
1693 copyout(b, blue, count);
1694 if (trans != NULL) {
1695 bzero(r, count);
1696 copyout(r, trans, count);
1697 }
1698 }
1699 free(r, M_DEVBUF);
1700
1701 return (error);
1702 }
1703
1704 static int
1705 set_palette(video_adapter_t *adp, int base, int count,
1706 u_char *red, u_char *green, u_char *blue, u_char *trans)
1707 {
1708 u_char *r;
1709 u_char *g;
1710 u_char *b;
1711 int bits;
1712 int error;
1713
1714 if (base < 0 || base >= 256 || count < 0 || count > 256)
1715 return (1);
1716 if ((base + count) > 256)
1717 return (1);
1718 if (!VESA_MODE(adp->va_mode))
1719 return (1);
1720
1721 bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6;
1722 r = malloc(count * 3, M_DEVBUF, M_WAITOK);
1723 g = r + count;
1724 b = g + count;
1725 copyin(red, r, count);
1726 copyin(green, g, count);
1727 copyin(blue, b, count);
1728
1729 error = vesa_bios_load_palette2(base, count, r, g, b, bits);
1730 free(r, M_DEVBUF);
1731
1732 return (error);
1733 }
1734
1735 static int
1736 vesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg)
1737 {
1738 int bytes;
1739
1740 if (adp != vesa_adp)
1741 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1742
1743 switch (cmd) {
1744 case FBIO_SETWINORG: /* set frame buffer window origin */
1745 if (!VESA_MODE(adp->va_mode))
1746 return (*prevvidsw->ioctl)(adp, cmd, arg);
1747 return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0);
1748
1749 case FBIO_SETDISPSTART: /* set display start address */
1750 if (!VESA_MODE(adp->va_mode))
1751 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1752 if (vesa_bios_set_start(((video_display_start_t *)arg)->x,
1753 ((video_display_start_t *)arg)->y))
1754 return (ENODEV);
1755 adp->va_disp_start.x = ((video_display_start_t *)arg)->x;
1756 adp->va_disp_start.y = ((video_display_start_t *)arg)->y;
1757 return (0);
1758
1759 case FBIO_SETLINEWIDTH: /* set line length in pixel */
1760 if (!VESA_MODE(adp->va_mode))
1761 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1762 if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL))
1763 return (ENODEV);
1764 adp->va_line_width = bytes;
1765 #if VESA_DEBUG > 1
1766 printf("new line width:%d\n", adp->va_line_width);
1767 #endif
1768 return (0);
1769
1770 case FBIO_GETPALETTE: /* get color palette */
1771 if (get_palette(adp, ((video_color_palette_t *)arg)->index,
1772 ((video_color_palette_t *)arg)->count,
1773 ((video_color_palette_t *)arg)->red,
1774 ((video_color_palette_t *)arg)->green,
1775 ((video_color_palette_t *)arg)->blue,
1776 ((video_color_palette_t *)arg)->transparent))
1777 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1778 return (0);
1779
1780
1781 case FBIO_SETPALETTE: /* set color palette */
1782 if (set_palette(adp, ((video_color_palette_t *)arg)->index,
1783 ((video_color_palette_t *)arg)->count,
1784 ((video_color_palette_t *)arg)->red,
1785 ((video_color_palette_t *)arg)->green,
1786 ((video_color_palette_t *)arg)->blue,
1787 ((video_color_palette_t *)arg)->transparent))
1788 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1789 return (0);
1790
1791 case FBIOGETCMAP: /* get color palette */
1792 if (get_palette(adp, ((struct fbcmap *)arg)->index,
1793 ((struct fbcmap *)arg)->count,
1794 ((struct fbcmap *)arg)->red,
1795 ((struct fbcmap *)arg)->green,
1796 ((struct fbcmap *)arg)->blue, NULL))
1797 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1798 return (0);
1799
1800 case FBIOPUTCMAP: /* set color palette */
1801 if (set_palette(adp, ((struct fbcmap *)arg)->index,
1802 ((struct fbcmap *)arg)->count,
1803 ((struct fbcmap *)arg)->red,
1804 ((struct fbcmap *)arg)->green,
1805 ((struct fbcmap *)arg)->blue, NULL))
1806 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1807 return (0);
1808
1809 default:
1810 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1811 }
1812 }
1813
1814 static int
1815 vesa_diag(video_adapter_t *adp, int level)
1816 {
1817 int error;
1818
1819 /* call the previous handler first */
1820 error = (*prevvidsw->diag)(adp, level);
1821 if (error)
1822 return (error);
1823
1824 if (adp != vesa_adp)
1825 return (1);
1826
1827 if (level <= 0)
1828 return (0);
1829
1830 return (0);
1831 }
1832
1833 static int
1834 vesa_bios_info(int level)
1835 {
1836 #if VESA_DEBUG > 1
1837 struct vesa_mode vmode;
1838 int i;
1839 #endif
1840 uint16_t vers;
1841
1842 vers = vesa_adp_info->v_version;
1843
1844 if (bootverbose) {
1845 /* general adapter information */
1846 printf(
1847 "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n",
1848 (vers >> 12) * 10 + ((vers & 0x0f00) >> 8),
1849 ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f),
1850 vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags,
1851 vesa_vmodetab, vesa_adp_info->v_modetable);
1852
1853 /* OEM string */
1854 if (vesa_oemstr != NULL)
1855 printf("VESA: %s\n", vesa_oemstr);
1856 }
1857
1858 if (level <= 0)
1859 return (0);
1860
1861 if (vers >= 0x0200 && bootverbose) {
1862 /* vender name, product name, product revision */
1863 printf("VESA: %s %s %s\n",
1864 (vesa_venderstr != NULL) ? vesa_venderstr : "unknown",
1865 (vesa_prodstr != NULL) ? vesa_prodstr : "unknown",
1866 (vesa_revstr != NULL) ? vesa_revstr : "?");
1867 }
1868
1869 #if VESA_DEBUG > 1
1870 /* mode information */
1871 for (i = 0;
1872 (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
1873 && (vesa_vmodetab[i] != 0xffff); ++i) {
1874 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_NOWAIT))
1875 continue;
1876
1877 /* print something for diagnostic purpose */
1878 printf("VESA: mode:0x%03x, flags:0x%04x",
1879 vesa_vmodetab[i], vmode.v_modeattr);
1880 if (vmode.v_modeattr & V_MODEOPTINFO) {
1881 if (vmode.v_modeattr & V_MODEGRAPHICS) {
1882 printf(", G %dx%dx%d %d, ",
1883 vmode.v_width, vmode.v_height,
1884 vmode.v_bpp, vmode.v_planes);
1885 } else {
1886 printf(", T %dx%d, ",
1887 vmode.v_width, vmode.v_height);
1888 }
1889 printf("font:%dx%d, ",
1890 vmode.v_cwidth, vmode.v_cheight);
1891 printf("pages:%d, mem:%d",
1892 vmode.v_ipages + 1, vmode.v_memmodel);
1893 }
1894 if (vmode.v_modeattr & V_MODELFB) {
1895 printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x",
1896 vmode.v_lfb, vmode.v_offscreen,
1897 vmode.v_offscreensize*1024);
1898 }
1899 printf("\n");
1900 printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ",
1901 vmode.v_waseg, vmode.v_waattr,
1902 vmode.v_wbseg, vmode.v_wbattr);
1903 printf("size:%dk, gran:%dk\n",
1904 vmode.v_wsize, vmode.v_wgran);
1905 }
1906 #endif /* VESA_DEBUG > 1 */
1907
1908 return (0);
1909 }
1910
1911 /* module loading */
1912
1913 static int
1914 vesa_load(void)
1915 {
1916 int error;
1917
1918 if (vesa_init_done)
1919 return (0);
1920
1921 /* locate a VGA adapter */
1922 vesa_adp = NULL;
1923 error = vesa_configure(0);
1924
1925 if (error == 0)
1926 vesa_bios_info(bootverbose);
1927
1928 return (error);
1929 }
1930
1931 static int
1932 vesa_unload(void)
1933 {
1934 u_char palette[256*3];
1935 int error;
1936
1937 /* if the adapter is currently in a VESA mode, don't unload */
1938 if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode))
1939 return (EBUSY);
1940 /*
1941 * FIXME: if there is at least one vty which is in a VESA mode,
1942 * we shouldn't be unloading! XXX
1943 */
1944
1945 if ((error = vesa_unload_ioctl()) == 0) {
1946 if (vesa_adp != NULL) {
1947 if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) {
1948 vesa_bios_save_palette(0, 256, palette, 8);
1949 vesa_bios_set_dac(6);
1950 vesa_adp->va_flags &= ~V_ADP_DAC8;
1951 vesa_bios_load_palette(0, 256, palette, 6);
1952 }
1953 vesa_adp->va_flags &= ~V_ADP_VESA;
1954 vidsw[vesa_adp->va_index] = prevvidsw;
1955 }
1956 }
1957
1958 vesa_bios_uninit();
1959
1960 return (error);
1961 }
1962
1963 static int
1964 vesa_mod_event(module_t mod, int type, void *data)
1965 {
1966
1967 switch (type) {
1968 case MOD_LOAD:
1969 return (vesa_load());
1970 case MOD_UNLOAD:
1971 return (vesa_unload());
1972 }
1973 return (EOPNOTSUPP);
1974 }
1975
1976 static moduledata_t vesa_mod = {
1977 "vesa",
1978 vesa_mod_event,
1979 NULL,
1980 };
1981
1982 DECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1983 MODULE_DEPEND(vesa, x86bios, 1, 1, 1);
1984
1985 #endif /* VGA_NO_MODE_CHANGE */
Cache object: 1ff4522b962b21e7d0641761d75e9c37
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