Deleted Added
sdiff udiff text old ( 47678 ) new ( 48104 )
full compact
vesa.c (47678) vesa.c (48104)
1/*-
2 * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith
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 unchanged lines hidden (view full) ---

18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
1/*-
2 * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith
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 unchanged lines hidden (view full) ---

18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $Id: vesa.c,v 1.23 1999/05/09 15:57:52 peter Exp $
26 * $Id: vesa.c,v 1.24 1999/06/01 18:20:18 jlemon Exp $
27 */
28
29#include "vga.h"
30#include "opt_vga.h"
31#include "opt_vesa.h"
32#include "opt_fb.h"
33
34#ifdef VGA_NO_MODE_CHANGE
35#undef VESA
36#endif
37
38#if (NVGA > 0 && defined(VESA)) || defined(KLD_MODULE)
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/module.h>
44#include <sys/malloc.h>
27 */
28
29#include "vga.h"
30#include "opt_vga.h"
31#include "opt_vesa.h"
32#include "opt_fb.h"
33
34#ifdef VGA_NO_MODE_CHANGE
35#undef VESA
36#endif
37
38#if (NVGA > 0 && defined(VESA)) || defined(KLD_MODULE)
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/module.h>
44#include <sys/malloc.h>
45#include <sys/fbio.h>
46
45#include <vm/vm.h>
47#include <vm/vm.h>
48#include <vm/vm_extern.h>
49#include <vm/vm_kern.h>
46#include <vm/pmap.h>
47
50#include <vm/pmap.h>
51
48#include <machine/console.h>
49#include <machine/md_var.h>
50#include <machine/vm86.h>
51#include <machine/pc/bios.h>
52#include <machine/pc/vesa.h>
53
54#include <dev/fb/fbreg.h>
55#include <dev/fb/vgareg.h>
56

--- 13 unchanged lines hidden (view full) ---

70#define V_STATE_SIG 0x61736576
71 u_char regs[1];
72};
73typedef struct adp_state adp_state_t;
74
75/* VESA video adapter */
76static video_adapter_t *vesa_adp = NULL;
77static int vesa_state_buf_size = 0;
52#include <machine/md_var.h>
53#include <machine/vm86.h>
54#include <machine/pc/bios.h>
55#include <machine/pc/vesa.h>
56
57#include <dev/fb/fbreg.h>
58#include <dev/fb/vgareg.h>
59

--- 13 unchanged lines hidden (view full) ---

73#define V_STATE_SIG 0x61736576
74 u_char regs[1];
75};
76typedef struct adp_state adp_state_t;
77
78/* VESA video adapter */
79static video_adapter_t *vesa_adp = NULL;
80static int vesa_state_buf_size = 0;
78#if 0
79static void *vesa_state_buf = NULL;
80#endif
81
82/* VESA functions */
83static int vesa_nop(void);
81
82/* VESA functions */
83static int vesa_nop(void);
84static int vesa_error(void);
84static vi_probe_t vesa_probe;
85static vi_init_t vesa_init;
86static vi_get_info_t vesa_get_info;
87static vi_query_mode_t vesa_query_mode;
88static vi_set_mode_t vesa_set_mode;
89static vi_save_font_t vesa_save_font;
90static vi_load_font_t vesa_load_font;
91static vi_show_font_t vesa_show_font;
92static vi_save_palette_t vesa_save_palette;
93static vi_load_palette_t vesa_load_palette;
94static vi_set_border_t vesa_set_border;
95static vi_save_state_t vesa_save_state;
96static vi_load_state_t vesa_load_state;
97static vi_set_win_org_t vesa_set_origin;
98static vi_read_hw_cursor_t vesa_read_hw_cursor;
99static vi_set_hw_cursor_t vesa_set_hw_cursor;
100static vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape;
85static vi_probe_t vesa_probe;
86static vi_init_t vesa_init;
87static vi_get_info_t vesa_get_info;
88static vi_query_mode_t vesa_query_mode;
89static vi_set_mode_t vesa_set_mode;
90static vi_save_font_t vesa_save_font;
91static vi_load_font_t vesa_load_font;
92static vi_show_font_t vesa_show_font;
93static vi_save_palette_t vesa_save_palette;
94static vi_load_palette_t vesa_load_palette;
95static vi_set_border_t vesa_set_border;
96static vi_save_state_t vesa_save_state;
97static vi_load_state_t vesa_load_state;
98static vi_set_win_org_t vesa_set_origin;
99static vi_read_hw_cursor_t vesa_read_hw_cursor;
100static vi_set_hw_cursor_t vesa_set_hw_cursor;
101static vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape;
102static vi_blank_display_t vesa_blank_display;
101static vi_mmap_t vesa_mmap;
103static vi_mmap_t vesa_mmap;
104static vi_ioctl_t vesa_ioctl;
105static vi_clear_t vesa_clear;
106static vi_fill_rect_t vesa_fill_rect;
107static vi_bitblt_t vesa_bitblt;
102static vi_diag_t vesa_diag;
108static vi_diag_t vesa_diag;
109static int vesa_bios_info(int level);
103static struct vm86context vesa_vmcontext;
104
105static video_switch_t vesavidsw = {
106 vesa_probe,
107 vesa_init,
108 vesa_get_info,
109 vesa_query_mode,
110 vesa_set_mode,

--- 4 unchanged lines hidden (view full) ---

115 vesa_load_palette,
116 vesa_set_border,
117 vesa_save_state,
118 vesa_load_state,
119 vesa_set_origin,
120 vesa_read_hw_cursor,
121 vesa_set_hw_cursor,
122 vesa_set_hw_cursor_shape,
110static struct vm86context vesa_vmcontext;
111
112static video_switch_t vesavidsw = {
113 vesa_probe,
114 vesa_init,
115 vesa_get_info,
116 vesa_query_mode,
117 vesa_set_mode,

--- 4 unchanged lines hidden (view full) ---

122 vesa_load_palette,
123 vesa_set_border,
124 vesa_save_state,
125 vesa_load_state,
126 vesa_set_origin,
127 vesa_read_hw_cursor,
128 vesa_set_hw_cursor,
129 vesa_set_hw_cursor_shape,
123 (vi_blank_display_t *)vesa_nop,
130 vesa_blank_display,
124 vesa_mmap,
131 vesa_mmap,
132 vesa_ioctl,
133 vesa_clear,
134 vesa_fill_rect,
135 vesa_bitblt,
136 vesa_error,
137 vesa_error,
125 vesa_diag,
126};
127
128static video_switch_t *prevvidsw;
129
130/* VESA BIOS video modes */
131#define VESA_MAXMODES 64
132#define EOT (-1)
133#define NA (-2)
134
138 vesa_diag,
139};
140
141static video_switch_t *prevvidsw;
142
143/* VESA BIOS video modes */
144#define VESA_MAXMODES 64
145#define EOT (-1)
146#define NA (-2)
147
135static video_info_t vesa_vmode[VESA_MAXMODES + 1] = {
136 { EOT, },
137};
148#define MODE_TABLE_DELTA 8
138
149
150static int vesa_vmode_max = 0;
151static video_info_t vesa_vmode_empty = { EOT };
152static video_info_t *vesa_vmode = &vesa_vmode_empty;
153
139static int vesa_init_done = FALSE;
140static int has_vesa_bios = FALSE;
141static struct vesa_info *vesa_adp_info = NULL;
142static u_int16_t *vesa_vmodetab = NULL;
143static char *vesa_oemstr = NULL;
144static char *vesa_venderstr = NULL;
145static char *vesa_prodstr = NULL;
146static char *vesa_revstr = NULL;
147
148/* local macros and functions */
149#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff))
150
151static int int10_set_mode(int mode);
152static int vesa_bios_get_mode(int mode, struct vesa_mode *vmode);
153static int vesa_bios_set_mode(int mode);
154static int vesa_bios_get_dac(void);
155static int vesa_bios_set_dac(int bits);
156static int vesa_bios_save_palette(int start, int colors, u_char *palette,
157 int bits);
154static int vesa_init_done = FALSE;
155static int has_vesa_bios = FALSE;
156static struct vesa_info *vesa_adp_info = NULL;
157static u_int16_t *vesa_vmodetab = NULL;
158static char *vesa_oemstr = NULL;
159static char *vesa_venderstr = NULL;
160static char *vesa_prodstr = NULL;
161static char *vesa_revstr = NULL;
162
163/* local macros and functions */
164#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff))
165
166static int int10_set_mode(int mode);
167static int vesa_bios_get_mode(int mode, struct vesa_mode *vmode);
168static int vesa_bios_set_mode(int mode);
169static int vesa_bios_get_dac(void);
170static int vesa_bios_set_dac(int bits);
171static int vesa_bios_save_palette(int start, int colors, u_char *palette,
172 int bits);
173static int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g,
174 u_char *b, int bits);
158static int vesa_bios_load_palette(int start, int colors, u_char *palette,
159 int bits);
175static int vesa_bios_load_palette(int start, int colors, u_char *palette,
176 int bits);
177static int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g,
178 u_char *b, int bits);
160#define STATE_SIZE 0
161#define STATE_SAVE 1
162#define STATE_LOAD 2
163#define STATE_HW (1<<0)
164#define STATE_DATA (1<<1)
165#define STATE_DAC (1<<2)
166#define STATE_REG (1<<3)
167#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG)
168#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG)
169static int vesa_bios_state_buf_size(void);
170static int vesa_bios_save_restore(int code, void *p, size_t size);
171static int vesa_bios_get_line_length(void);
179#define STATE_SIZE 0
180#define STATE_SAVE 1
181#define STATE_LOAD 2
182#define STATE_HW (1<<0)
183#define STATE_DATA (1<<1)
184#define STATE_DAC (1<<2)
185#define STATE_REG (1<<3)
186#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG)
187#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG)
188static int vesa_bios_state_buf_size(void);
189static int vesa_bios_save_restore(int code, void *p, size_t size);
190static int vesa_bios_get_line_length(void);
191static int vesa_bios_set_line_length(int pixel);
192static int vesa_bios_get_start(int *x, int *y);
193static int vesa_bios_set_start(int x, int y);
172static int vesa_map_gen_mode_num(int type, int color, int mode);
173static int vesa_translate_flags(u_int16_t vflags);
194static int vesa_map_gen_mode_num(int type, int color, int mode);
195static int vesa_translate_flags(u_int16_t vflags);
196static int vesa_translate_mmodel(u_int8_t vmodel);
174static void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off,
175 u_char *buf);
176static int vesa_bios_init(void);
177static void vesa_clear_modes(video_info_t *info, int color);
197static void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off,
198 u_char *buf);
199static int vesa_bios_init(void);
200static void vesa_clear_modes(video_info_t *info, int color);
201static vm_offset_t vesa_map_buffer(u_int paddr, size_t size);
202static void vesa_unmap_buffer(vm_offset_t vaddr, size_t size);
178
203
204static int vesa_get_origin(video_adapter_t *adp, off_t *offset);
205
179static void
180dump_buffer(u_char *buf, size_t len)
181{
182 int i;
183
184 for(i = 0; i < len;) {
185 printf("%02x ", buf[i]);
186 if ((++i % 16) == 0)

--- 102 unchanged lines hidden (view full) ---

289 palette[i*3] = p[i*4 + 2] << bits;
290 palette[i*3 + 1] = p[i*4 + 1] << bits;
291 palette[i*3 + 2] = p[i*4] << bits;
292 }
293 return 0;
294}
295
296static int
206static void
207dump_buffer(u_char *buf, size_t len)
208{
209 int i;
210
211 for(i = 0; i < len;) {
212 printf("%02x ", buf[i]);
213 if ((++i % 16) == 0)

--- 102 unchanged lines hidden (view full) ---

316 palette[i*3] = p[i*4 + 2] << bits;
317 palette[i*3 + 1] = p[i*4 + 1] << bits;
318 palette[i*3 + 2] = p[i*4] << bits;
319 }
320 return 0;
321}
322
323static int
324vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
325 int bits)
326{
327 struct vm86frame vmf;
328 u_char *p;
329 int err;
330 int i;
331
332 bzero(&vmf, sizeof(vmf));
333 vmf.vmf_eax = 0x4f09;
334 vmf.vmf_ebx = 1; /* get primary palette data */
335 vmf.vmf_ecx = colors;
336 vmf.vmf_edx = start;
337 p = (u_char *)vm86_getpage(&vesa_vmcontext, 1);
338 vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
339
340 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
341 if ((err != 0) || (vmf.vmf_eax != 0x4f))
342 return 1;
343
344 bits = 8 - bits;
345 for (i = 0; i < colors; ++i) {
346 r[i] = p[i*4 + 2] << bits;
347 g[i] = p[i*4 + 1] << bits;
348 b[i] = p[i*4] << bits;
349 }
350 return 0;
351}
352
353static int
297vesa_bios_load_palette(int start, int colors, u_char *palette, int bits)
298{
299 struct vm86frame vmf;
300 u_char *p;
301 int err;
302 int i;
303
304 p = (u_char *)vm86_getpage(&vesa_vmcontext, 1);

--- 12 unchanged lines hidden (view full) ---

317 vmf.vmf_edx = start;
318 vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
319
320 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
321 return ((err != 0) || (vmf.vmf_eax != 0x4f));
322}
323
324static int
354vesa_bios_load_palette(int start, int colors, u_char *palette, int bits)
355{
356 struct vm86frame vmf;
357 u_char *p;
358 int err;
359 int i;
360
361 p = (u_char *)vm86_getpage(&vesa_vmcontext, 1);

--- 12 unchanged lines hidden (view full) ---

374 vmf.vmf_edx = start;
375 vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
376
377 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
378 return ((err != 0) || (vmf.vmf_eax != 0x4f));
379}
380
381static int
382vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
383 int bits)
384{
385 struct vm86frame vmf;
386 u_char *p;
387 int err;
388 int i;
389
390 p = (u_char *)vm86_getpage(&vesa_vmcontext, 1);
391 bits = 8 - bits;
392 for (i = 0; i < colors; ++i) {
393 p[i*4] = b[i] >> bits;
394 p[i*4 + 1] = g[i] >> bits;
395 p[i*4 + 2] = r[i] >> bits;
396 p[i*4 + 3] = 0;
397 }
398
399 bzero(&vmf, sizeof(vmf));
400 vmf.vmf_eax = 0x4f09;
401 vmf.vmf_ebx = 0; /* set primary palette data */
402 vmf.vmf_ecx = colors;
403 vmf.vmf_edx = start;
404 vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
405
406 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
407 return ((err != 0) || (vmf.vmf_eax != 0x4f));
408}
409
410static int
325vesa_bios_state_buf_size(void)
326{
327 struct vm86frame vmf;
328 int err;
329
330 bzero(&vmf, sizeof(vmf));
331 vmf.vmf_eax = 0x4f04;
332 vmf.vmf_ecx = STATE_MOST;

--- 33 unchanged lines hidden (view full) ---

366 vmf.vmf_eax = 0x4f06;
367 vmf.vmf_ebx = 1; /* get scan line length */
368 err = vm86_intcall(0x10, &vmf);
369 if ((err != 0) || (vmf.vmf_eax != 0x4f))
370 return -1;
371 return vmf.vmf_bx; /* line length in bytes */
372}
373
411vesa_bios_state_buf_size(void)
412{
413 struct vm86frame vmf;
414 int err;
415
416 bzero(&vmf, sizeof(vmf));
417 vmf.vmf_eax = 0x4f04;
418 vmf.vmf_ecx = STATE_MOST;

--- 33 unchanged lines hidden (view full) ---

452 vmf.vmf_eax = 0x4f06;
453 vmf.vmf_ebx = 1; /* get scan line length */
454 err = vm86_intcall(0x10, &vmf);
455 if ((err != 0) || (vmf.vmf_eax != 0x4f))
456 return -1;
457 return vmf.vmf_bx; /* line length in bytes */
458}
459
460static int
461vesa_bios_set_line_length(int pixel)
462{
463 struct vm86frame vmf;
464 int err;
465
466 bzero(&vmf, sizeof(vmf));
467 vmf.vmf_eax = 0x4f06;
468 vmf.vmf_ebx = 0; /* set scan line length in pixel */
469 vmf.vmf_ecx = pixel;
470 err = vm86_intcall(0x10, &vmf);
471#if VESA_DEBUG > 1
472 printf("bx:%d, cx:%d, dx:%d\n", vmf.vmf_bx, vmf.vmf_cx, vmf.vmf_dx);
473#endif
474 return ((err != 0) || (vmf.vmf_eax != 0x4f));
475}
476
477static int
478vesa_bios_get_start(int *x, int *y)
479{
480 struct vm86frame vmf;
481 int err;
482
483 bzero(&vmf, sizeof(vmf));
484 vmf.vmf_eax = 0x4f07;
485 vmf.vmf_ebx = 1; /* get display start */
486 err = vm86_intcall(0x10, &vmf);
487 if ((err != 0) || (vmf.vmf_eax != 0x4f))
488 return 1;
489 *x = vmf.vmf_cx;
490 *y = vmf.vmf_dx;
491 return 0;
492}
493
494static int
495vesa_bios_set_start(int x, int y)
496{
497 struct vm86frame vmf;
498 int err;
499
500 bzero(&vmf, sizeof(vmf));
501 vmf.vmf_eax = 0x4f07;
502 vmf.vmf_ebx = 0x80; /* set display start */
503 vmf.vmf_edx = y;
504 vmf.vmf_ecx = x;
505 err = vm86_intcall(0x10, &vmf);
506 return ((err != 0) || (vmf.vmf_eax != 0x4f));
507}
508
374/* map a generic video mode to a known mode */
375static int
376vesa_map_gen_mode_num(int type, int color, int mode)
377{
378 static struct {
379 int from;
380 int to;
381 } mode_map[] = {

--- 28 unchanged lines hidden (view full) ---

410
411 for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) {
412 flags |= (vflags & ftable[i].mask) ?
413 ftable[i].set : ftable[i].reset;
414 }
415 return flags;
416}
417
509/* map a generic video mode to a known mode */
510static int
511vesa_map_gen_mode_num(int type, int color, int mode)
512{
513 static struct {
514 int from;
515 int to;
516 } mode_map[] = {

--- 28 unchanged lines hidden (view full) ---

545
546 for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) {
547 flags |= (vflags & ftable[i].mask) ?
548 ftable[i].set : ftable[i].reset;
549 }
550 return flags;
551}
552
553static int
554vesa_translate_mmodel(u_int8_t vmodel)
555{
556 static struct {
557 u_int8_t vmodel;
558 int mmodel;
559 } mtable[] = {
560 { V_MMTEXT, V_INFO_MM_TEXT },
561 { V_MMCGA, V_INFO_MM_CGA },
562 { V_MMHGC, V_INFO_MM_HGC },
563 { V_MMEGA, V_INFO_MM_PLANAR },
564 { V_MMPACKED, V_INFO_MM_PACKED },
565 { V_MMDIRCOLOR, V_INFO_MM_DIRECT },
566 };
567 int i;
568
569 for (i = 0; mtable[i].mmodel >= 0; ++i) {
570 if (mtable[i].vmodel == vmodel)
571 return mtable[i].mmodel;
572 }
573 return V_INFO_MM_OTHER;
574}
575
418static void
419*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf)
420{
421 if (p == 0)
422 return NULL;
423 if (((p >> 16) == seg) && ((p & 0xffff) >= off))
424 return (void *)(buf + ((p & 0xffff) - off));
425 else {
426 p = BIOS_SADDRTOLADDR(p);
427 return (void *)BIOS_PADDRTOVADDR(p);
428 }
429}
430
431static int
432vesa_bios_init(void)
433{
434 static u_char buf[512];
435 struct vm86frame vmf;
436 struct vesa_mode vmode;
576static void
577*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf)
578{
579 if (p == 0)
580 return NULL;
581 if (((p >> 16) == seg) && ((p & 0xffff) >= off))
582 return (void *)(buf + ((p & 0xffff) - off));
583 else {
584 p = BIOS_SADDRTOLADDR(p);
585 return (void *)BIOS_PADDRTOVADDR(p);
586 }
587}
588
589static int
590vesa_bios_init(void)
591{
592 static u_char buf[512];
593 struct vm86frame vmf;
594 struct vesa_mode vmode;
595 video_info_t *p;
437 u_char *vmbuf;
438 int modes;
439 int err;
440 int i;
441
442 if (vesa_init_done)
443 return 0;
444
445 has_vesa_bios = FALSE;
446 vesa_adp_info = NULL;
596 u_char *vmbuf;
597 int modes;
598 int err;
599 int i;
600
601 if (vesa_init_done)
602 return 0;
603
604 has_vesa_bios = FALSE;
605 vesa_adp_info = NULL;
606 vesa_vmode_max = 0;
447 vesa_vmode[0].vi_mode = EOT;
448
449 vmbuf = (u_char *)vm86_addpage(&vesa_vmcontext, 1, 0);
450 bzero(&vmf, sizeof(vmf)); /* paranoia */
451 bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */
452 vmf.vmf_eax = 0x4f00;
453 vm86_getptr(&vesa_vmcontext, (vm_offset_t)vmbuf, &vmf.vmf_es, &vmf.vmf_di);
454
455 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
456 if ((err != 0) || (vmf.vmf_eax != 0x4f) || bcmp("VESA", vmbuf, 4))
457 return 1;
458 bcopy(vmbuf, buf, sizeof(buf));
459 vesa_adp_info = (struct vesa_info *)buf;
460 if (bootverbose) {
461 printf("VESA: information block\n");
462 dump_buffer(buf, 64);
463 }
464 if (vesa_adp_info->v_flags & V_NONVGA)
465 return 1;
607 vesa_vmode[0].vi_mode = EOT;
608
609 vmbuf = (u_char *)vm86_addpage(&vesa_vmcontext, 1, 0);
610 bzero(&vmf, sizeof(vmf)); /* paranoia */
611 bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */
612 vmf.vmf_eax = 0x4f00;
613 vm86_getptr(&vesa_vmcontext, (vm_offset_t)vmbuf, &vmf.vmf_es, &vmf.vmf_di);
614
615 err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
616 if ((err != 0) || (vmf.vmf_eax != 0x4f) || bcmp("VESA", vmbuf, 4))
617 return 1;
618 bcopy(vmbuf, buf, sizeof(buf));
619 vesa_adp_info = (struct vesa_info *)buf;
620 if (bootverbose) {
621 printf("VESA: information block\n");
622 dump_buffer(buf, 64);
623 }
624 if (vesa_adp_info->v_flags & V_NONVGA)
625 return 1;
626 if (vesa_adp_info->v_version < 0x0102) {
627 printf("VESA: VBE version %d.%d is not supported; "
628 "version 1.2 or later is required.\n",
629 ((vesa_adp_info->v_version & 0xf000) >> 12) * 10
630 + ((vesa_adp_info->v_version & 0x0f00) >> 8),
631 ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10
632 + (vesa_adp_info->v_version & 0x000f));
633 return 1;
634 }
466
467 /* fix string ptrs */
468 vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr,
469 vmf.vmf_es, vmf.vmf_di, buf);
470 if (vesa_adp_info->v_version >= 0x0200) {
471 vesa_venderstr =
472 (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr,
473 vmf.vmf_es, vmf.vmf_di, buf);
474 vesa_prodstr =
475 (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr,
476 vmf.vmf_es, vmf.vmf_di, buf);
477 vesa_revstr =
478 (char *)vesa_fix_ptr(vesa_adp_info->v_revstr,
479 vmf.vmf_es, vmf.vmf_di, buf);
480 }
481
482 /* obtain video mode information */
635
636 /* fix string ptrs */
637 vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr,
638 vmf.vmf_es, vmf.vmf_di, buf);
639 if (vesa_adp_info->v_version >= 0x0200) {
640 vesa_venderstr =
641 (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr,
642 vmf.vmf_es, vmf.vmf_di, buf);
643 vesa_prodstr =
644 (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr,
645 vmf.vmf_es, vmf.vmf_di, buf);
646 vesa_revstr =
647 (char *)vesa_fix_ptr(vesa_adp_info->v_revstr,
648 vmf.vmf_es, vmf.vmf_di, buf);
649 }
650
651 /* obtain video mode information */
483 vesa_vmode[0].vi_mode = EOT;
484 vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable,
485 vmf.vmf_es, vmf.vmf_di, buf);
486 if (vesa_vmodetab == NULL)
487 return 1;
488 for (i = 0, modes = 0;
489 (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
490 && (vesa_vmodetab[i] != 0xffff); ++i) {
652 vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable,
653 vmf.vmf_es, vmf.vmf_di, buf);
654 if (vesa_vmodetab == NULL)
655 return 1;
656 for (i = 0, modes = 0;
657 (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
658 && (vesa_vmodetab[i] != 0xffff); ++i) {
491 if (modes >= VESA_MAXMODES)
492 break;
493 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))
494 continue;
495
496 /* reject unsupported modes */
497#if 0
498 if ((vmode.v_modeattr & (V_MODESUPP | V_MODEOPTINFO
499 | V_MODENONVGA))
500 != (V_MODESUPP | V_MODEOPTINFO))
501 continue;
502#else
503 if ((vmode.v_modeattr & (V_MODEOPTINFO | V_MODENONVGA))
504 != (V_MODEOPTINFO))
505 continue;
506#endif
507
659 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))
660 continue;
661
662 /* reject unsupported modes */
663#if 0
664 if ((vmode.v_modeattr & (V_MODESUPP | V_MODEOPTINFO
665 | V_MODENONVGA))
666 != (V_MODESUPP | V_MODEOPTINFO))
667 continue;
668#else
669 if ((vmode.v_modeattr & (V_MODEOPTINFO | V_MODENONVGA))
670 != (V_MODEOPTINFO))
671 continue;
672#endif
673
674 /* expand the array if necessary */
675 if (modes >= vesa_vmode_max) {
676 vesa_vmode_max += MODE_TABLE_DELTA;
677 p = malloc(sizeof(*vesa_vmode)*(vesa_vmode_max + 1),
678 M_DEVBUF, M_WAITOK);
679#if VESA_DEBUG > 1
680 printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n",
681 modes, vesa_mode_max);
682#endif
683 if (modes > 0) {
684 bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes);
685 free(vesa_vmode, M_DEVBUF);
686 }
687 vesa_vmode = p;
688 }
689
508 /* copy some fields */
509 bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes]));
510 vesa_vmode[modes].vi_mode = vesa_vmodetab[i];
511 vesa_vmode[modes].vi_width = vmode.v_width;
512 vesa_vmode[modes].vi_height = vmode.v_height;
513 vesa_vmode[modes].vi_depth = vmode.v_bpp;
514 vesa_vmode[modes].vi_planes = vmode.v_planes;
515 vesa_vmode[modes].vi_cwidth = vmode.v_cwidth;
516 vesa_vmode[modes].vi_cheight = vmode.v_cheight;
517 vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4;
518 /* XXX window B */
519 vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024;
520 vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024;
690 /* copy some fields */
691 bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes]));
692 vesa_vmode[modes].vi_mode = vesa_vmodetab[i];
693 vesa_vmode[modes].vi_width = vmode.v_width;
694 vesa_vmode[modes].vi_height = vmode.v_height;
695 vesa_vmode[modes].vi_depth = vmode.v_bpp;
696 vesa_vmode[modes].vi_planes = vmode.v_planes;
697 vesa_vmode[modes].vi_cwidth = vmode.v_cwidth;
698 vesa_vmode[modes].vi_cheight = vmode.v_cheight;
699 vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4;
700 /* XXX window B */
701 vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024;
702 vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024;
521 vesa_vmode[modes].vi_buffer = vmode.v_lfb;
703 if (vmode.v_modeattr & V_MODELFB)
704 vesa_vmode[modes].vi_buffer = vmode.v_lfb;
705 else
706 vesa_vmode[modes].vi_buffer = 0;
522 /* XXX */
707 /* XXX */
708 vesa_vmode[modes].vi_buffer_size
709 = vesa_adp_info->v_memsize*64*1024;
710#if 0
523 if (vmode.v_offscreen > vmode.v_lfb)
524 vesa_vmode[modes].vi_buffer_size
711 if (vmode.v_offscreen > vmode.v_lfb)
712 vesa_vmode[modes].vi_buffer_size
525 = vmode.v_offscreen - vmode.v_lfb;
713 = vmode.v_offscreen + vmode.v_offscreensize*1024
714 - vmode.v_lfb;
526 else
715 else
527 vesa_vmode[modes].vi_buffer_size = vmode.v_offscreen;
528 /* pixel format, memory model... */
529
716 vesa_vmode[modes].vi_buffer_size
717 = vmode.v_offscreen + vmode.v_offscreensize*1024
718#endif
719 vesa_vmode[modes].vi_mem_model
720 = vesa_translate_mmodel(vmode.v_memmodel);
721 vesa_vmode[modes].vi_pixel_fields[0] = 0;
722 vesa_vmode[modes].vi_pixel_fields[1] = 0;
723 vesa_vmode[modes].vi_pixel_fields[2] = 0;
724 vesa_vmode[modes].vi_pixel_fields[3] = 0;
725 vesa_vmode[modes].vi_pixel_fsizes[0] = 0;
726 vesa_vmode[modes].vi_pixel_fsizes[1] = 0;
727 vesa_vmode[modes].vi_pixel_fsizes[2] = 0;
728 vesa_vmode[modes].vi_pixel_fsizes[3] = 0;
729 if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_PACKED) {
730 vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8;
731 } else if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_DIRECT) {
732 vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8;
733 vesa_vmode[modes].vi_pixel_fields[0]
734 = vmode.v_redfieldpos;
735 vesa_vmode[modes].vi_pixel_fields[1]
736 = vmode.v_greenfieldpos;
737 vesa_vmode[modes].vi_pixel_fields[2]
738 = vmode.v_bluefieldpos;
739 vesa_vmode[modes].vi_pixel_fields[3]
740 = vmode.v_resfieldpos;
741 vesa_vmode[modes].vi_pixel_fsizes[0]
742 = vmode.v_redmasksize;
743 vesa_vmode[modes].vi_pixel_fsizes[1]
744 = vmode.v_greenmasksize;
745 vesa_vmode[modes].vi_pixel_fsizes[2]
746 = vmode.v_bluemasksize;
747 vesa_vmode[modes].vi_pixel_fsizes[3]
748 = vmode.v_resmasksize;
749 } else {
750 vesa_vmode[modes].vi_pixel_size = 0;
751 }
752
530 vesa_vmode[modes].vi_flags
531 = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA;
532 ++modes;
533 }
534 vesa_vmode[modes].vi_mode = EOT;
535 if (bootverbose)
536 printf("VESA: %d mode(s) found\n", modes);
537

--- 6 unchanged lines hidden (view full) ---

544{
545 while (info->vi_mode != EOT) {
546 if ((info->vi_flags & V_INFO_COLOR) != color)
547 info->vi_mode = NA;
548 ++info;
549 }
550}
551
753 vesa_vmode[modes].vi_flags
754 = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA;
755 ++modes;
756 }
757 vesa_vmode[modes].vi_mode = EOT;
758 if (bootverbose)
759 printf("VESA: %d mode(s) found\n", modes);
760

--- 6 unchanged lines hidden (view full) ---

767{
768 while (info->vi_mode != EOT) {
769 if ((info->vi_flags & V_INFO_COLOR) != color)
770 info->vi_mode = NA;
771 ++info;
772 }
773}
774
775static vm_offset_t
776vesa_map_buffer(u_int paddr, size_t size)
777{
778 vm_offset_t vaddr;
779 u_int off;
780
781 off = paddr - trunc_page(paddr);
782 vaddr = (vm_offset_t)pmap_mapdev(paddr - off, size + off);
783#if VESA_DEBUG > 1
784 printf("vesa_map_buffer: paddr:%x vaddr:%x size:%x off:%x\n",
785 paddr, vaddr, size, off);
786#endif
787 return (vaddr + off);
788}
789
790static void
791vesa_unmap_buffer(vm_offset_t vaddr, size_t size)
792{
793#if VESA_DEBUG > 1
794 printf("vesa_unmap_buffer: vaddr:%x size:%x\n", vaddr, size);
795#endif
796 kmem_free(kernel_map, vaddr, size);
797}
798
552/* entry points */
553
554static int
555vesa_configure(int flags)
556{
557 video_adapter_t *adp;
558 int adapters;
559 int error;

--- 59 unchanged lines hidden (view full) ---

619
620static int
621vesa_nop(void)
622{
623 return 0;
624}
625
626static int
799/* entry points */
800
801static int
802vesa_configure(int flags)
803{
804 video_adapter_t *adp;
805 int adapters;
806 int error;

--- 59 unchanged lines hidden (view full) ---

866
867static int
868vesa_nop(void)
869{
870 return 0;
871}
872
873static int
874vesa_error(void)
875{
876 return 1;
877}
878
879static int
627vesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags)
628{
629 return (*prevvidsw->probe)(unit, adpp, arg, flags);
630}
631
632static int
633vesa_init(int unit, video_adapter_t *adp, int flags)
634{

--- 61 unchanged lines hidden (view full) ---

696 }
697 return -1;
698}
699
700static int
701vesa_set_mode(video_adapter_t *adp, int mode)
702{
703 video_info_t info;
880vesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags)
881{
882 return (*prevvidsw->probe)(unit, adpp, arg, flags);
883}
884
885static int
886vesa_init(int unit, video_adapter_t *adp, int flags)
887{

--- 61 unchanged lines hidden (view full) ---

949 }
950 return -1;
951}
952
953static int
954vesa_set_mode(video_adapter_t *adp, int mode)
955{
956 video_info_t info;
704 size_t len;
957 int len;
705
706 if (adp != vesa_adp)
707 return (*prevvidsw->set_mode)(adp, mode);
708
958
959 if (adp != vesa_adp)
960 return (*prevvidsw->set_mode)(adp, mode);
961
709 mode = vesa_map_gen_mode_num(vesa_adp->va_type,
710 vesa_adp->va_flags & V_ADP_COLOR, mode);
962 mode = vesa_map_gen_mode_num(adp->va_type,
963 adp->va_flags & V_ADP_COLOR, mode);
711#if VESA_DEBUG > 0
712 printf("VESA: set_mode(): %d(%x) -> %d(%x)\n",
964#if VESA_DEBUG > 0
965 printf("VESA: set_mode(): %d(%x) -> %d(%x)\n",
713 vesa_adp->va_mode, vesa_adp->va_mode, mode, mode);
966 adp->va_mode, adp->va_mode, mode, mode);
714#endif
715 /*
716 * If the current mode is a VESA mode and the new mode is not,
967#endif
968 /*
969 * If the current mode is a VESA mode and the new mode is not,
717 * restore the state of the adapter first, so that non-standard,
718 * extended SVGA registers are set to the state compatible with
719 * the standard VGA modes. Otherwise (*prevvidsw->set_mode)()
720 * may not be able to set up the new mode correctly.
970 * restore the state of the adapter first by setting one of the
971 * standard VGA mode, so that non-standard, extended SVGA registers
972 * are set to the state compatible with the standard VGA modes.
973 * Otherwise (*prevvidsw->set_mode)() may not be able to set up
974 * the new mode correctly.
721 */
975 */
722 if (VESA_MODE(vesa_adp->va_mode)) {
976 if (VESA_MODE(adp->va_mode)) {
723 if ((*prevvidsw->get_info)(adp, mode, &info) == 0) {
977 if ((*prevvidsw->get_info)(adp, mode, &info) == 0) {
724 int10_set_mode(vesa_adp->va_initial_bios_mode);
725#if 0
726 /* assert(vesa_state_buf != NULL); */
727 if ((vesa_state_buf == NULL)
728 || vesa_load_state(adp, vesa_state_buf))
729 return 1;
730 free(vesa_state_buf, M_DEVBUF);
731 vesa_state_buf = NULL;
732#if VESA_DEBUG > 0
733 printf("VESA: restored\n");
734#endif
735#endif /* 0 */
978 int10_set_mode(adp->va_initial_bios_mode);
979 if (adp->va_info.vi_flags & V_INFO_LINEAR)
980 vesa_unmap_buffer(adp->va_buffer,
981 vesa_adp_info->v_memsize*64*1024);
982 /*
983 * Once (*prevvidsw->get_info)() succeeded,
984 * (*prevvidsw->set_mode)() below won't fail...
985 */
736 }
986 }
737 /*
738 * once (*prevvidsw->get_info)() succeeded,
739 * (*prevvidsw->set_mode)() below won't fail...
740 */
741 }
742
743 /* we may not need to handle this mode after all... */
744 if ((*prevvidsw->set_mode)(adp, mode) == 0)
745 return 0;
746
747 /* is the new mode supported? */
748 if (vesa_get_info(adp, mode, &info))
749 return 1;
750 /* assert(VESA_MODE(mode)); */
751
752#if VESA_DEBUG > 0
753 printf("VESA: about to set a VESA mode...\n");
754#endif
987 }
988
989 /* we may not need to handle this mode after all... */
990 if ((*prevvidsw->set_mode)(adp, mode) == 0)
991 return 0;
992
993 /* is the new mode supported? */
994 if (vesa_get_info(adp, mode, &info))
995 return 1;
996 /* assert(VESA_MODE(mode)); */
997
998#if VESA_DEBUG > 0
999 printf("VESA: about to set a VESA mode...\n");
1000#endif
755 /*
756 * If the current mode is not a VESA mode, save the current state
757 * so that the adapter state can be restored later when a non-VESA
758 * mode is to be set up. See above.
759 */
760#if 0
761 if (!VESA_MODE(vesa_adp->va_mode) && (vesa_state_buf == NULL)) {
762 len = vesa_save_state(adp, NULL, 0);
763 vesa_state_buf = malloc(len, M_DEVBUF, M_WAITOK);
764 if (vesa_save_state(adp, vesa_state_buf, len)) {
765#if VESA_DEBUG > 0
766 printf("VESA: state save failed! (len=%d)\n", len);
767#endif
768 free(vesa_state_buf, M_DEVBUF);
769 vesa_state_buf = NULL;
770 return 1;
771 }
772#if VESA_DEBUG > 0
773 printf("VESA: saved (len=%d)\n", len);
774 dump_buffer(vesa_state_buf, len);
775#endif
776 }
777#endif /* 0 */
1001 /* don't use the linear frame buffer for text modes. XXX */
1002 if (!(info.vi_flags & V_INFO_GRAPHICS))
1003 info.vi_flags &= ~V_INFO_LINEAR;
778
1004
779 if (vesa_bios_set_mode(mode))
1005 if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0)))
780 return 1;
781
1006 return 1;
1007
1008 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1009 vesa_unmap_buffer(adp->va_buffer,
1010 vesa_adp_info->v_memsize*64*1024);
1011
782#if VESA_DEBUG > 0
783 printf("VESA: mode set!\n");
784#endif
785 vesa_adp->va_mode = mode;
786 vesa_adp->va_flags &= ~V_ADP_COLOR;
787 vesa_adp->va_flags |=
788 (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0;
789 vesa_adp->va_crtc_addr =
790 (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC;
1012#if VESA_DEBUG > 0
1013 printf("VESA: mode set!\n");
1014#endif
1015 vesa_adp->va_mode = mode;
1016 vesa_adp->va_flags &= ~V_ADP_COLOR;
1017 vesa_adp->va_flags |=
1018 (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0;
1019 vesa_adp->va_crtc_addr =
1020 (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC;
791 vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window);
792 vesa_adp->va_window_size = info.vi_window_size;
793 vesa_adp->va_window_gran = info.vi_window_gran;
794 if (info.vi_buffer_size == 0) {
795 vesa_adp->va_buffer = 0;
796 vesa_adp->va_buffer_size = 0;
1021 if (info.vi_flags & V_INFO_LINEAR) {
1022#if VESA_DEBUG > 1
1023 printf("VESA: setting up LFB\n");
1024#endif
1025 vesa_adp->va_buffer =
1026 vesa_map_buffer(info.vi_buffer,
1027 vesa_adp_info->v_memsize*64*1024);
1028 vesa_adp->va_buffer_size = info.vi_buffer_size;
1029 vesa_adp->va_window = vesa_adp->va_buffer;
1030 vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes;
1031 vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes;
797 } else {
1032 } else {
798 vesa_adp->va_buffer = BIOS_PADDRTOVADDR(info.vi_buffer);
1033 vesa_adp->va_buffer = 0;
799 vesa_adp->va_buffer_size = info.vi_buffer_size;
1034 vesa_adp->va_buffer_size = info.vi_buffer_size;
1035 vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window);
1036 vesa_adp->va_window_size = info.vi_window_size;
1037 vesa_adp->va_window_gran = info.vi_window_gran;
800 }
1038 }
1039 vesa_adp->va_window_orig = 0;
801 len = vesa_bios_get_line_length();
802 if (len > 0) {
803 vesa_adp->va_line_width = len;
804 } else if (info.vi_flags & V_INFO_GRAPHICS) {
805 switch (info.vi_depth/info.vi_planes) {
806 case 1:
807 vesa_adp->va_line_width = info.vi_width/8;
808 break;

--- 6 unchanged lines hidden (view full) ---

815 case 8:
816 default: /* shouldn't happen */
817 vesa_adp->va_line_width = info.vi_width;
818 break;
819 }
820 } else {
821 vesa_adp->va_line_width = info.vi_width;
822 }
1040 len = vesa_bios_get_line_length();
1041 if (len > 0) {
1042 vesa_adp->va_line_width = len;
1043 } else if (info.vi_flags & V_INFO_GRAPHICS) {
1044 switch (info.vi_depth/info.vi_planes) {
1045 case 1:
1046 vesa_adp->va_line_width = info.vi_width/8;
1047 break;

--- 6 unchanged lines hidden (view full) ---

1054 case 8:
1055 default: /* shouldn't happen */
1056 vesa_adp->va_line_width = info.vi_width;
1057 break;
1058 }
1059 } else {
1060 vesa_adp->va_line_width = info.vi_width;
1061 }
1062 vesa_adp->va_disp_start.x = 0;
1063 vesa_adp->va_disp_start.y = 0;
823#if VESA_DEBUG > 0
824 printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n",
825 info.vi_width, len, vesa_adp->va_line_width);
826#endif
827 bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info));
828
829 /* move hardware cursor out of the way */
830 (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1);

--- 91 unchanged lines hidden (view full) ---

922 if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG))
923 return (*prevvidsw->load_state)(adp, p);
924
925 return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs,
926 vesa_state_buf_size);
927}
928
929static int
1064#if VESA_DEBUG > 0
1065 printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n",
1066 info.vi_width, len, vesa_adp->va_line_width);
1067#endif
1068 bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info));
1069
1070 /* move hardware cursor out of the way */
1071 (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1);

--- 91 unchanged lines hidden (view full) ---

1163 if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG))
1164 return (*prevvidsw->load_state)(adp, p);
1165
1166 return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs,
1167 vesa_state_buf_size);
1168}
1169
1170static int
1171vesa_get_origin(video_adapter_t *adp, off_t *offset)
1172{
1173 struct vm86frame vmf;
1174 int err;
1175
1176 bzero(&vmf, sizeof(vmf));
1177 vmf.vmf_eax = 0x4f05;
1178 vmf.vmf_ebx = 0x10; /* WINDOW_A, XXX */
1179 err = vm86_intcall(0x10, &vmf);
1180 if ((err != 0) || (vmf.vmf_eax != 0x4f))
1181 return 1;
1182 *offset = vmf.vmf_dx*adp->va_window_gran;
1183 return 0;
1184}
1185
1186static int
930vesa_set_origin(video_adapter_t *adp, off_t offset)
931{
932 struct vm86frame vmf;
933 int err;
934
935 /*
936 * This function should return as quickly as possible to
937 * maintain good performance of the system. For this reason,
938 * error checking is kept minimal and let the VESA BIOS to
939 * detect error.
940 */
941 if (adp != vesa_adp)
942 return (*prevvidsw->set_win_org)(adp, offset);
943
1187vesa_set_origin(video_adapter_t *adp, off_t offset)
1188{
1189 struct vm86frame vmf;
1190 int err;
1191
1192 /*
1193 * This function should return as quickly as possible to
1194 * maintain good performance of the system. For this reason,
1195 * error checking is kept minimal and let the VESA BIOS to
1196 * detect error.
1197 */
1198 if (adp != vesa_adp)
1199 return (*prevvidsw->set_win_org)(adp, offset);
1200
944 if (vesa_adp->va_window_gran == 0)
1201 /* if this is a linear frame buffer, do nothing */
1202 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1203 return 0;
1204 /* XXX */
1205 if (adp->va_window_gran == 0)
945 return 1;
1206 return 1;
1207
946 bzero(&vmf, sizeof(vmf));
947 vmf.vmf_eax = 0x4f05;
948 vmf.vmf_ebx = 0; /* WINDOW_A, XXX */
1208 bzero(&vmf, sizeof(vmf));
1209 vmf.vmf_eax = 0x4f05;
1210 vmf.vmf_ebx = 0; /* WINDOW_A, XXX */
949 vmf.vmf_edx = offset/vesa_adp->va_window_gran;
1211 vmf.vmf_edx = offset/adp->va_window_gran;
950 err = vm86_intcall(0x10, &vmf);
951 if ((err != 0) || (vmf.vmf_eax != 0x4f))
952 return 1;
953 bzero(&vmf, sizeof(vmf));
954 vmf.vmf_eax = 0x4f05;
955 vmf.vmf_ebx = 1; /* WINDOW_B, XXX */
1212 err = vm86_intcall(0x10, &vmf);
1213 if ((err != 0) || (vmf.vmf_eax != 0x4f))
1214 return 1;
1215 bzero(&vmf, sizeof(vmf));
1216 vmf.vmf_eax = 0x4f05;
1217 vmf.vmf_ebx = 1; /* WINDOW_B, XXX */
956 vmf.vmf_edx = offset/vesa_adp->va_window_gran;
1218 vmf.vmf_edx = offset/adp->va_window_gran;
957 err = vm86_intcall(0x10, &vmf);
1219 err = vm86_intcall(0x10, &vmf);
1220 adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran;
958 return 0; /* XXX */
959}
960
961static int
962vesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
963{
964 return (*prevvidsw->read_hw_cursor)(adp, col, row);
965}

--- 8 unchanged lines hidden (view full) ---

974vesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
975 int celsize, int blink)
976{
977 return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize,
978 blink);
979}
980
981static int
1221 return 0; /* XXX */
1222}
1223
1224static int
1225vesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
1226{
1227 return (*prevvidsw->read_hw_cursor)(adp, col, row);
1228}

--- 8 unchanged lines hidden (view full) ---

1237vesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
1238 int celsize, int blink)
1239{
1240 return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize,
1241 blink);
1242}
1243
1244static int
982vesa_mmap(video_adapter_t *adp, vm_offset_t offset)
1245vesa_blank_display(video_adapter_t *adp, int mode)
983{
1246{
984 return (*prevvidsw->mmap)(adp, offset);
1247 /* XXX: use VESA DPMS */
1248 return (*prevvidsw->blank_display)(adp, mode);
985}
986
987static int
1249}
1250
1251static int
988vesa_diag(video_adapter_t *adp, int level)
1252vesa_mmap(video_adapter_t *adp, vm_offset_t offset, int prot)
989{
1253{
990#if VESA_DEBUG > 1
991 struct vesa_mode vmode;
992 int i;
1254#if VESA_DEBUG > 0
1255 printf("vesa_mmap(): window:0x%x, buffer:0x%x, offset:0x%x\n",
1256 adp->va_info.vi_window, adp->va_info.vi_buffer, offset);
993#endif
994
1257#endif
1258
995 if (adp != vesa_adp)
1259 if ((adp == vesa_adp) && (adp->va_info.vi_flags & V_INFO_LINEAR)) {
1260 /* va_window_size == va_buffer_size/vi_planes */
1261 /* XXX: is this correct? */
1262 if (offset > adp->va_window_size - PAGE_SIZE)
1263 return -1;
1264#ifdef __i386__
1265 return i386_btop(adp->va_info.vi_buffer + offset);
1266#endif
1267#ifdef __alpha__ /* XXX */
1268 return alpha_btop(adp->va_info.vi_buffer + offset);
1269#endif
1270 } else {
1271 return (*prevvidsw->mmap)(adp, offset, prot);
1272 }
1273}
1274
1275static int
1276vesa_clear(video_adapter_t *adp)
1277{
1278 return (*prevvidsw->clear)(adp);
1279}
1280
1281static int
1282vesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
1283{
1284 return (*prevvidsw->fill_rect)(adp, val, x, y, cx, cy);
1285}
1286
1287static int
1288vesa_bitblt(video_adapter_t *adp,...)
1289{
1290 /* FIXME */
1291 return 1;
1292}
1293
1294static int
1295get_palette(video_adapter_t *adp, int base, int count,
1296 u_char *red, u_char *green, u_char *blue, u_char *trans)
1297{
1298 u_char *r;
1299 u_char *g;
1300 u_char *b;
1301 int bits;
1302 int error;
1303
1304 if ((base < 0) || (base >= 256) || (base + count > 256))
996 return 1;
1305 return 1;
1306 if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode))
1307 return 1;
997
1308
998#ifndef KLD_MODULE
1309 bits = vesa_bios_get_dac();
1310 if (bits <= 6)
1311 return 1;
1312
1313 r = malloc(count*3, M_DEVBUF, M_WAITOK);
1314 g = r + count;
1315 b = g + count;
1316 error = vesa_bios_save_palette2(base, count, r, g, b, bits);
1317 if (error == 0) {
1318 copyout(r, red, count);
1319 copyout(g, green, count);
1320 copyout(b, blue, count);
1321 if (trans != NULL) {
1322 bzero(r, count);
1323 copyout(r, trans, count);
1324 }
1325 }
1326 free(r, M_DEVBUF);
1327
1328 /* if error && bits != 6 at this point, we are in in trouble... XXX */
1329 return error;
1330}
1331
1332static int
1333set_palette(video_adapter_t *adp, int base, int count,
1334 u_char *red, u_char *green, u_char *blue, u_char *trans)
1335{
1336 return 1;
1337#if notyet
1338 u_char *r;
1339 u_char *g;
1340 u_char *b;
1341 int bits;
1342 int error;
1343
1344 if ((base < 0) || (base >= 256) || (base + count > 256))
1345 return 1;
1346 if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode)
1347 || ((bits = vesa_bios_set_dac(8)) <= 6))
1348 return 1;
1349
1350 r = malloc(count*3, M_DEVBUF, M_WAITOK);
1351 g = r + count;
1352 b = g + count;
1353 copyin(red, r, count);
1354 copyin(green, g, count);
1355 copyin(blue, b, count);
1356
1357 error = vesa_bios_load_palette2(base, count, r, g, b, bits);
1358 free(r, M_DEVBUF);
1359 if (error == 0)
1360 return 0;
1361
1362 /* if the following call fails, we are in trouble... XXX */
1363 vesa_bios_set_dac(6);
1364 return 1;
1365#endif /* notyet */
1366}
1367
1368static int
1369vesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg)
1370{
1371 if (adp != vesa_adp)
1372 return (*prevvidsw->ioctl)(adp, cmd, arg);
1373
1374 switch (cmd) {
1375 case FBIO_SETWINORG: /* set frame buffer window origin */
1376 return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0);
1377
1378 case FBIO_SETDISPSTART: /* set display start address */
1379 if (vesa_bios_set_start(((video_display_start_t *)arg)->x,
1380 ((video_display_start_t *)arg)->y))
1381 return ENODEV;
1382 adp->va_disp_start.x = ((video_display_start_t *)arg)->x;
1383 adp->va_disp_start.y = ((video_display_start_t *)arg)->y;
1384 return 0;
1385
1386 case FBIO_SETLINEWIDTH: /* set line length in pixel */
1387 if (vesa_bios_set_line_length(*(u_int *)arg))
1388 return ENODEV;
1389 adp->va_line_width = (*(u_int *)arg + 7)/8;
1390 return 0;
1391
1392 case FBIO_GETPALETTE: /* get color palette */
1393 if (get_palette(adp, ((video_color_palette_t *)arg)->index,
1394 ((video_color_palette_t *)arg)->count,
1395 ((video_color_palette_t *)arg)->red,
1396 ((video_color_palette_t *)arg)->green,
1397 ((video_color_palette_t *)arg)->blue,
1398 ((video_color_palette_t *)arg)->transparent))
1399 return (*prevvidsw->ioctl)(adp, cmd, arg);
1400 return 0;
1401
1402
1403 case FBIO_SETPALETTE: /* set color palette */
1404 if (set_palette(adp, ((video_color_palette_t *)arg)->index,
1405 ((video_color_palette_t *)arg)->count,
1406 ((video_color_palette_t *)arg)->red,
1407 ((video_color_palette_t *)arg)->green,
1408 ((video_color_palette_t *)arg)->blue,
1409 ((video_color_palette_t *)arg)->transparent))
1410 return (*prevvidsw->ioctl)(adp, cmd, arg);
1411 return 0;
1412
1413 case FBIOGETCMAP: /* get color palette */
1414 if (get_palette(adp, ((struct fbcmap *)arg)->index,
1415 ((struct fbcmap *)arg)->count,
1416 ((struct fbcmap *)arg)->red,
1417 ((struct fbcmap *)arg)->green,
1418 ((struct fbcmap *)arg)->blue, NULL))
1419 return (*prevvidsw->ioctl)(adp, cmd, arg);
1420 return 0;
1421
1422 case FBIOPUTCMAP: /* set color palette */
1423 if (set_palette(adp, ((struct fbcmap *)arg)->index,
1424 ((struct fbcmap *)arg)->count,
1425 ((struct fbcmap *)arg)->red,
1426 ((struct fbcmap *)arg)->green,
1427 ((struct fbcmap *)arg)->blue, NULL))
1428 return (*prevvidsw->ioctl)(adp, cmd, arg);
1429 return 0;
1430
1431 default:
1432 return (*prevvidsw->ioctl)(adp, cmd, arg);
1433 }
1434}
1435
1436static int
1437vesa_diag(video_adapter_t *adp, int level)
1438{
1439 int error;
1440
999 /* call the previous handler first */
1441 /* call the previous handler first */
1000 (*prevvidsw->diag)(adp, level);
1442 error = (*prevvidsw->diag)(adp, level);
1443 if (error)
1444 return error;
1445
1446 if (adp != vesa_adp)
1447 return 1;
1448
1449 if (level <= 0)
1450 return 0;
1451
1452 return 0;
1453}
1454
1455static int
1456vesa_bios_info(int level)
1457{
1458#if VESA_DEBUG > 1
1459 struct vesa_mode vmode;
1460 int i;
1001#endif
1002
1003 /* general adapter information */
1004 printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n",
1005 ((vesa_adp_info->v_version & 0xf000) >> 12) * 10
1006 + ((vesa_adp_info->v_version & 0x0f00) >> 8),
1007 ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10
1008 + (vesa_adp_info->v_version & 0x000f),
1009 vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags,
1010 vesa_vmodetab, vesa_adp_info->v_modetable);
1011 /* OEM string */
1012 if (vesa_oemstr != NULL)
1013 printf("VESA: %s\n", vesa_oemstr);
1014
1015 if (level <= 0)
1016 return 0;
1017
1018 if (vesa_adp_info->v_version >= 0x0200) {
1461#endif
1462
1463 /* general adapter information */
1464 printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n",
1465 ((vesa_adp_info->v_version & 0xf000) >> 12) * 10
1466 + ((vesa_adp_info->v_version & 0x0f00) >> 8),
1467 ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10
1468 + (vesa_adp_info->v_version & 0x000f),
1469 vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags,
1470 vesa_vmodetab, vesa_adp_info->v_modetable);
1471 /* OEM string */
1472 if (vesa_oemstr != NULL)
1473 printf("VESA: %s\n", vesa_oemstr);
1474
1475 if (level <= 0)
1476 return 0;
1477
1478 if (vesa_adp_info->v_version >= 0x0200) {
1019 /* vendor name */
1020 if (vesa_venderstr != NULL)
1021 printf("VESA: %s\n", vesa_venderstr);
1022 /* product name */
1023 if (vesa_prodstr != NULL)
1024 printf("VESA: %s\n", vesa_prodstr);
1025 /* product revision */
1026 if (vesa_revstr != NULL)
1027 printf("VESA: %s\n", vesa_revstr);
1479 /* vender name, product name, product revision */
1480 printf("VESA: %s %s %s\n",
1481 (vesa_venderstr != NULL) ? vesa_venderstr : "unknown",
1482 (vesa_prodstr != NULL) ? vesa_prodstr : "unknown",
1483 (vesa_revstr != NULL) ? vesa_revstr : "?");
1028 }
1029
1030#if VESA_DEBUG > 1
1031 /* mode information */
1032 for (i = 0;
1033 (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
1034 && (vesa_vmodetab[i] != 0xffff); ++i) {
1035 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))

--- 6 unchanged lines hidden (view full) ---

1042 if (vmode.v_modeattr & V_MODEGRAPHICS) {
1043 printf(", G %dx%dx%d %d, ",
1044 vmode.v_width, vmode.v_height,
1045 vmode.v_bpp, vmode.v_planes);
1046 } else {
1047 printf(", T %dx%d, ",
1048 vmode.v_width, vmode.v_height);
1049 }
1484 }
1485
1486#if VESA_DEBUG > 1
1487 /* mode information */
1488 for (i = 0;
1489 (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
1490 && (vesa_vmodetab[i] != 0xffff); ++i) {
1491 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))

--- 6 unchanged lines hidden (view full) ---

1498 if (vmode.v_modeattr & V_MODEGRAPHICS) {
1499 printf(", G %dx%dx%d %d, ",
1500 vmode.v_width, vmode.v_height,
1501 vmode.v_bpp, vmode.v_planes);
1502 } else {
1503 printf(", T %dx%d, ",
1504 vmode.v_width, vmode.v_height);
1505 }
1050 printf("font:%dx%d",
1506 printf("font:%dx%d, ",
1051 vmode.v_cwidth, vmode.v_cheight);
1507 vmode.v_cwidth, vmode.v_cheight);
1508 printf("pages:%d, mem:%d",
1509 vmode.v_ipages + 1, vmode.v_memmodel);
1052 }
1053 if (vmode.v_modeattr & V_MODELFB) {
1510 }
1511 if (vmode.v_modeattr & V_MODELFB) {
1054 printf(", mem:%d, LFB:0x%x, off:0x%x",
1055 vmode.v_memmodel, vmode.v_lfb,
1056 vmode.v_offscreen);
1512 printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x",
1513 vmode.v_lfb, vmode.v_offscreen,
1514 vmode.v_offscreensize*1024);
1057 }
1058 printf("\n");
1059 printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ",
1060 vmode.v_waseg, vmode.v_waattr,
1061 vmode.v_wbseg, vmode.v_wbattr);
1062 printf("size:%dk, gran:%dk\n",
1063 vmode.v_wsize, vmode.v_wgran);
1064 }
1515 }
1516 printf("\n");
1517 printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ",
1518 vmode.v_waseg, vmode.v_waattr,
1519 vmode.v_wbseg, vmode.v_wbattr);
1520 printf("size:%dk, gran:%dk\n",
1521 vmode.v_wsize, vmode.v_wgran);
1522 }
1065#endif
1523#endif /* VESA_DEBUG > 1 */
1066
1067 return 0;
1068}
1069
1070/* module loading */
1071
1072static int
1073vesa_load(void)

--- 5 unchanged lines hidden (view full) ---

1079 return 0;
1080
1081 /* locate a VGA adapter */
1082 s = spltty();
1083 vesa_adp = NULL;
1084 error = vesa_configure(0);
1085 splx(s);
1086
1524
1525 return 0;
1526}
1527
1528/* module loading */
1529
1530static int
1531vesa_load(void)

--- 5 unchanged lines hidden (view full) ---

1537 return 0;
1538
1539 /* locate a VGA adapter */
1540 s = spltty();
1541 vesa_adp = NULL;
1542 error = vesa_configure(0);
1543 splx(s);
1544
1087#ifdef KLD_MODULE
1088 if (error == 0)
1545 if (error == 0)
1089 vesa_diag(vesa_adp, bootverbose);
1090#endif
1546 vesa_bios_info(bootverbose);
1091
1092 return error;
1093}
1094
1547
1548 return error;
1549}
1550
1551#ifdef KLD_MODULE
1552
1095static int
1096vesa_unload(void)
1097{
1098 u_char palette[256*3];
1099 int error;
1100 int bits;
1101 int s;
1102

--- 22 unchanged lines hidden (view full) ---

1125 vidsw[vesa_adp->va_index] = prevvidsw;
1126 }
1127 }
1128 splx(s);
1129
1130 return error;
1131}
1132
1553static int
1554vesa_unload(void)
1555{
1556 u_char palette[256*3];
1557 int error;
1558 int bits;
1559 int s;
1560

--- 22 unchanged lines hidden (view full) ---

1583 vidsw[vesa_adp->va_index] = prevvidsw;
1584 }
1585 }
1586 splx(s);
1587
1588 return error;
1589}
1590
1591#endif /* KLD_MODULE */
1592
1133static int
1134vesa_mod_event(module_t mod, int type, void *data)
1135{
1136 switch (type) {
1137 case MOD_LOAD:
1138 return vesa_load();
1139 case MOD_UNLOAD:
1593static int
1594vesa_mod_event(module_t mod, int type, void *data)
1595{
1596 switch (type) {
1597 case MOD_LOAD:
1598 return vesa_load();
1599 case MOD_UNLOAD:
1600#ifdef KLD_MODULE
1140 return vesa_unload();
1601 return vesa_unload();
1602#else
1603 return EBUSY;
1604#endif
1141 default:
1142 break;
1143 }
1144 return 0;
1145}
1146
1147static moduledata_t vesa_mod = {
1148 "vesa",
1149 vesa_mod_event,
1150 NULL,
1151};
1152
1153DECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1154
1155#endif /* (NVGA > 0 && VESA) || KLD_MODULE */
1605 default:
1606 break;
1607 }
1608 return 0;
1609}
1610
1611static moduledata_t vesa_mod = {
1612 "vesa",
1613 vesa_mod_event,
1614 NULL,
1615};
1616
1617DECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1618
1619#endif /* (NVGA > 0 && VESA) || KLD_MODULE */