2 * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith
3 * Copyright (c) 2009-2010 Jung-uk Kim <jkim@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
34 #ifndef VGA_NO_MODE_CHANGE
36 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/module.h>
41 #include <sys/malloc.h>
45 #include <vm/vm_extern.h>
46 #include <vm/vm_kern.h>
47 #include <vm/vm_param.h>
50 #include <machine/pc/bios.h>
51 #include <dev/fb/vesa.h>
53 #include <dev/fb/fbreg.h>
54 #include <dev/fb/vgareg.h>
56 #include <dev/pci/pcivar.h>
58 #include <isa/isareg.h>
60 #include <compat/x86bios/x86bios.h>
62 #define VESA_VIA_CLE266 "VIA CLE266\r\n"
68 /* VESA video adapter state buffer stub */
71 #define V_STATE_SIG 0x61736576
74 typedef struct adp_state adp_state_t;
76 /* VESA video adapter */
77 static video_adapter_t *vesa_adp = NULL;
78 static ssize_t vesa_state_buf_size = -1;
82 static int vesa_nop(void);
84 static int vesa_error(void);
85 static vi_probe_t vesa_probe;
86 static vi_init_t vesa_init;
87 static vi_get_info_t vesa_get_info;
88 static vi_query_mode_t vesa_query_mode;
89 static vi_set_mode_t vesa_set_mode;
90 static vi_save_font_t vesa_save_font;
91 static vi_load_font_t vesa_load_font;
92 static vi_show_font_t vesa_show_font;
93 static vi_save_palette_t vesa_save_palette;
94 static vi_load_palette_t vesa_load_palette;
95 static vi_set_border_t vesa_set_border;
96 static vi_save_state_t vesa_save_state;
97 static vi_load_state_t vesa_load_state;
98 static vi_set_win_org_t vesa_set_origin;
99 static vi_read_hw_cursor_t vesa_read_hw_cursor;
100 static vi_set_hw_cursor_t vesa_set_hw_cursor;
101 static vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape;
102 static vi_blank_display_t vesa_blank_display;
103 static vi_mmap_t vesa_mmap;
104 static vi_ioctl_t vesa_ioctl;
105 static vi_clear_t vesa_clear;
106 static vi_fill_rect_t vesa_fill_rect;
107 static vi_bitblt_t vesa_bitblt;
108 static vi_diag_t vesa_diag;
109 static int vesa_bios_info(int level);
111 static video_switch_t vesavidsw = {
128 vesa_set_hw_cursor_shape,
140 static video_switch_t *prevvidsw;
142 /* VESA BIOS video modes */
143 #define VESA_MAXMODES 64
147 #define MODE_TABLE_DELTA 8
149 static int vesa_vmode_max = 0;
150 static video_info_t vesa_vmode_empty = { EOT };
151 static video_info_t *vesa_vmode = &vesa_vmode_empty;
153 static int vesa_init_done = FALSE;
154 static int has_vesa_bios = FALSE;
155 static struct vesa_info *vesa_adp_info = NULL;
156 static u_int16_t *vesa_vmodetab = NULL;
157 static char *vesa_oemstr = NULL;
158 static char *vesa_venderstr = NULL;
159 static char *vesa_prodstr = NULL;
160 static char *vesa_revstr = NULL;
162 /* local macros and functions */
163 #define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff))
165 static int int10_set_mode(int mode);
166 static int vesa_bios_post(void);
167 static int vesa_bios_get_mode(int mode, struct vesa_mode *vmode);
168 static int vesa_bios_set_mode(int mode);
170 static int vesa_bios_get_dac(void);
172 static int vesa_bios_set_dac(int bits);
173 static int vesa_bios_save_palette(int start, int colors, u_char *palette,
175 static int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g,
176 u_char *b, int bits);
177 static int vesa_bios_load_palette(int start, int colors, u_char *palette,
179 static int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g,
180 u_char *b, int bits);
184 #define STATE_HW (1<<0)
185 #define STATE_DATA (1<<1)
186 #define STATE_DAC (1<<2)
187 #define STATE_REG (1<<3)
188 #define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG)
189 #define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG)
190 static ssize_t vesa_bios_state_buf_size(void);
191 static int vesa_bios_save_restore(int code, void *p, size_t size);
192 #ifdef MODE_TABLE_BROKEN
193 static int vesa_bios_get_line_length(void);
195 static int vesa_bios_set_line_length(int pixel, int *bytes, int *lines);
197 static int vesa_bios_get_start(int *x, int *y);
199 static int vesa_bios_set_start(int x, int y);
200 static int vesa_map_gen_mode_num(int type, int color, int mode);
201 static int vesa_translate_flags(u_int16_t vflags);
202 static int vesa_translate_mmodel(u_int8_t vmodel);
203 static int vesa_get_bpscanline(struct vesa_mode *vmode);
204 static int vesa_bios_init(void);
205 static void vesa_clear_modes(video_info_t *info, int color);
208 static int vesa_get_origin(video_adapter_t *adp, off_t *offset);
211 /* INT 10 BIOS calls */
213 int10_set_mode(int mode)
217 x86bios_init_regs(®s);
220 x86bios_intr(®s, 0x10);
232 int count, i, is_pci;
234 if (x86bios_get_orm(0xc0000) == NULL)
240 /* Find the matching PCI video controller. */
241 dc = devclass_find("vgapci");
242 if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) {
243 for (i = 0; i < count; i++)
244 if (device_get_flags(devs[i]) != 0 &&
245 x86bios_match_device(0xc0000, devs[i])) {
253 /* Try VGA if a PCI device is not found. */
255 dc = devclass_find(VGA_DRIVER_NAME);
257 dev = devclass_get_device(dc, 0);
261 printf("%s: calling BIOS POST\n",
262 dev == NULL ? "VESA" : device_get_nameunit(dev));
264 x86bios_init_regs(®s);
266 regs.R_AH = pci_get_bus(dev);
267 regs.R_AL = (pci_get_slot(dev) << 3) |
268 (pci_get_function(dev) & 0x07);
271 x86bios_call(®s, 0xc000, 0x0003);
273 if (x86bios_get_intr(0x10) == 0)
279 /* VESA BIOS calls */
281 vesa_bios_get_mode(int mode, struct vesa_mode *vmode)
287 buf = x86bios_alloc(&offs, sizeof(*vmode));
291 x86bios_init_regs(®s);
295 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
296 regs.R_DI = X86BIOS_PHYSTOOFF(offs);
298 x86bios_intr(®s, 0x10);
300 if (regs.R_AX != 0x004f) {
301 x86bios_free(buf, sizeof(*vmode));
305 bcopy(buf, vmode, sizeof(*vmode));
306 x86bios_free(buf, sizeof(*vmode));
312 vesa_bios_set_mode(int mode)
316 x86bios_init_regs(®s);
320 x86bios_intr(®s, 0x10);
322 return (regs.R_AX != 0x004f);
327 vesa_bios_get_dac(void)
331 x86bios_init_regs(®s);
335 x86bios_intr(®s, 0x10);
337 if (regs.R_AX != 0x004f)
345 vesa_bios_set_dac(int bits)
349 x86bios_init_regs(®s);
354 x86bios_intr(®s, 0x10);
356 if (regs.R_AX != 0x004f)
363 vesa_bios_save_palette(int start, int colors, u_char *palette, int bits)
370 p = (u_char *)x86bios_alloc(&offs, colors * 4);
374 x86bios_init_regs(®s);
380 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
381 regs.R_DI = X86BIOS_PHYSTOOFF(offs);
383 x86bios_intr(®s, 0x10);
385 if (regs.R_AX != 0x004f) {
386 x86bios_free(p, colors * 4);
391 for (i = 0; i < colors; ++i) {
392 palette[i * 3] = p[i * 4 + 2] << bits;
393 palette[i * 3 + 1] = p[i * 4 + 1] << bits;
394 palette[i * 3 + 2] = p[i * 4] << bits;
396 x86bios_free(p, colors * 4);
402 vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
410 p = (u_char *)x86bios_alloc(&offs, colors * 4);
414 x86bios_init_regs(®s);
420 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
421 regs.R_DI = X86BIOS_PHYSTOOFF(offs);
423 x86bios_intr(®s, 0x10);
425 if (regs.R_AX != 0x004f) {
426 x86bios_free(p, colors * 4);
431 for (i = 0; i < colors; ++i) {
432 r[i] = p[i * 4 + 2] << bits;
433 g[i] = p[i * 4 + 1] << bits;
434 b[i] = p[i * 4] << bits;
436 x86bios_free(p, colors * 4);
442 vesa_bios_load_palette(int start, int colors, u_char *palette, int bits)
449 p = (u_char *)x86bios_alloc(&offs, colors * 4);
453 x86bios_init_regs(®s);
459 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
460 regs.R_DI = X86BIOS_PHYSTOOFF(offs);
463 for (i = 0; i < colors; ++i) {
464 p[i * 4] = palette[i * 3 + 2] >> bits;
465 p[i * 4 + 1] = palette[i * 3 + 1] >> bits;
466 p[i * 4 + 2] = palette[i * 3] >> bits;
469 x86bios_intr(®s, 0x10);
470 x86bios_free(p, colors * 4);
472 return (regs.R_AX != 0x004f);
476 vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b,
484 p = (u_char *)x86bios_alloc(&offs, colors * 4);
488 x86bios_init_regs(®s);
494 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
495 regs.R_DI = X86BIOS_PHYSTOOFF(offs);
498 for (i = 0; i < colors; ++i) {
499 p[i * 4] = b[i] >> bits;
500 p[i * 4 + 1] = g[i] >> bits;
501 p[i * 4 + 2] = r[i] >> bits;
504 x86bios_intr(®s, 0x10);
505 x86bios_free(p, colors * 4);
507 return (regs.R_AX != 0x004f);
511 vesa_bios_state_buf_size(void)
515 x86bios_init_regs(®s);
517 /* regs.R_DL = STATE_SIZE; */
518 regs.R_CX = STATE_ALL;
520 x86bios_intr(®s, 0x10);
522 if (regs.R_AX != 0x004f)
525 return (regs.R_BX * 64);
529 vesa_bios_save_restore(int code, void *p, size_t size)
535 if (code != STATE_SAVE && code != STATE_LOAD)
538 buf = x86bios_alloc(&offs, size);
542 x86bios_init_regs(®s);
545 regs.R_CX = STATE_ALL;
547 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
548 regs.R_BX = X86BIOS_PHYSTOOFF(offs);
552 x86bios_intr(®s, 0x10);
557 x86bios_intr(®s, 0x10);
560 x86bios_free(buf, size);
562 return (regs.R_AX != 0x004f);
565 #ifdef MODE_TABLE_BROKEN
567 vesa_bios_get_line_length(void)
571 x86bios_init_regs(®s);
575 x86bios_intr(®s, 0x10);
577 if (regs.R_AX != 0x004f)
585 vesa_bios_set_line_length(int pixel, int *bytes, int *lines)
589 x86bios_init_regs(®s);
594 x86bios_intr(®s, 0x10);
597 printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX);
599 if (regs.R_AX != 0x004f)
612 vesa_bios_get_start(int *x, int *y)
616 x86bios_init_regs(®s);
620 x86bios_intr(®s, 0x10);
622 if (regs.R_AX != 0x004f)
633 vesa_bios_set_start(int x, int y)
637 x86bios_init_regs(®s);
643 x86bios_intr(®s, 0x10);
645 return (regs.R_AX != 0x004f);
648 /* map a generic video mode to a known mode */
650 vesa_map_gen_mode_num(int type, int color, int mode)
656 { M_TEXT_132x25, M_VESA_C132x25 },
657 { M_TEXT_132x43, M_VESA_C132x43 },
658 { M_TEXT_132x50, M_VESA_C132x50 },
659 { M_TEXT_132x60, M_VESA_C132x60 },
663 for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) {
664 if (mode_map[i].from == mode)
665 return (mode_map[i].to);
671 vesa_translate_flags(u_int16_t vflags)
678 { V_MODECOLOR, V_INFO_COLOR, 0 },
679 { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 },
680 { V_MODELFB, V_INFO_LINEAR, 0 },
681 { V_MODENONVGA, V_INFO_NONVGA, 0 },
686 for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) {
687 flags |= (vflags & ftable[i].mask) ?
688 ftable[i].set : ftable[i].reset;
694 vesa_translate_mmodel(u_int8_t vmodel)
700 { V_MMTEXT, V_INFO_MM_TEXT },
701 { V_MMCGA, V_INFO_MM_CGA },
702 { V_MMHGC, V_INFO_MM_HGC },
703 { V_MMEGA, V_INFO_MM_PLANAR },
704 { V_MMPACKED, V_INFO_MM_PACKED },
705 { V_MMDIRCOLOR, V_INFO_MM_DIRECT },
709 for (i = 0; mtable[i].mmodel >= 0; ++i) {
710 if (mtable[i].vmodel == vmodel)
711 return (mtable[i].mmodel);
713 return (V_INFO_MM_OTHER);
717 vesa_get_bpscanline(struct vesa_mode *vmode)
721 if ((vmode->v_modeattr & V_MODEGRAPHICS) != 0) {
722 /* Find the minimum length. */
723 switch (vmode->v_bpp / vmode->v_planes) {
725 bpsl = vmode->v_width / 8;
728 bpsl = vmode->v_width / 4;
731 bpsl = vmode->v_width / 2;
734 bpsl = vmode->v_width * ((vmode->v_bpp + 7) / 8);
735 bpsl /= vmode->v_planes;
739 /* Use VBE 3.0 information if it looks sane. */
740 if ((vmode->v_modeattr & V_MODELFB) != 0 &&
741 vesa_adp_info->v_version >= 0x0300 &&
742 vmode->v_linbpscanline > bpsl)
743 return (vmode->v_linbpscanline);
745 /* Return the minimum if the mode table looks absurd. */
746 if (vmode->v_bpscanline < bpsl)
750 return (vmode->v_bpscanline);
753 #define VESA_MAXSTR 256
755 #define VESA_STRCPY(dst, src) do { \
758 dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \
759 str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \
760 for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \
768 struct vesa_mode vmode;
769 struct vesa_info *buf;
784 has_vesa_bios = FALSE;
785 vesa_adp_info = NULL;
787 vesa_vmode[0].vi_mode = EOT;
790 * If the VBE real mode interrupt vector is not found, try BIOS POST.
792 if (x86bios_get_intr(0x10) == 0) {
793 if (vesa_bios_post() != 0)
796 offs = x86bios_get_intr(0x10);
797 printf("VESA: interrupt vector installed (0x%x)\n",
798 BIOS_SADDRTOLADDR(offs));
802 x86bios_init_regs(®s);
805 vmbuf = x86bios_alloc(&offs, sizeof(*buf));
809 regs.R_ES = X86BIOS_PHYSTOSEG(offs);
810 regs.R_DI = X86BIOS_PHYSTOOFF(offs);
812 bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */
813 x86bios_intr(®s, 0x10);
815 if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0)
818 vesa_adp_info = buf = malloc(sizeof(*buf), M_DEVBUF, M_WAITOK);
819 bcopy(vmbuf, buf, sizeof(*buf));
822 printf("VESA: information block\n");
823 hexdump(buf, sizeof(*buf), NULL, HD_OMIT_CHARS);
826 vers = buf->v_version = le16toh(buf->v_version);
827 buf->v_oemstr = le32toh(buf->v_oemstr);
828 buf->v_flags = le32toh(buf->v_flags);
829 buf->v_modetable = le32toh(buf->v_modetable);
830 buf->v_memsize = le16toh(buf->v_memsize);
831 buf->v_revision = le16toh(buf->v_revision);
832 buf->v_venderstr = le32toh(buf->v_venderstr);
833 buf->v_prodstr = le32toh(buf->v_prodstr);
834 buf->v_revstr = le32toh(buf->v_revstr);
837 printf("VESA: VBE version %d.%d is not supported; "
838 "version 1.2 or later is required.\n",
839 ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8),
840 ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f));
844 VESA_STRCPY(vesa_oemstr, buf->v_oemstr);
845 if (vers >= 0x0200) {
846 VESA_STRCPY(vesa_venderstr, buf->v_venderstr);
847 VESA_STRCPY(vesa_prodstr, buf->v_prodstr);
848 VESA_STRCPY(vesa_revstr, buf->v_revstr);
850 is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266,
851 sizeof(VESA_VIA_CLE266)) == 0;
853 if (buf->v_modetable == 0)
856 msize = (size_t)buf->v_memsize * 64 * 1024;
858 vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf->v_modetable));
860 for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) &&
861 (vesa_vmodetab[i] != 0xffff); ++i) {
862 vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]);
863 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))
866 vmode.v_modeattr = le16toh(vmode.v_modeattr);
867 vmode.v_wgran = le16toh(vmode.v_wgran);
868 vmode.v_wsize = le16toh(vmode.v_wsize);
869 vmode.v_waseg = le16toh(vmode.v_waseg);
870 vmode.v_wbseg = le16toh(vmode.v_wbseg);
871 vmode.v_posfunc = le32toh(vmode.v_posfunc);
872 vmode.v_bpscanline = le16toh(vmode.v_bpscanline);
873 vmode.v_width = le16toh(vmode.v_width);
874 vmode.v_height = le16toh(vmode.v_height);
875 vmode.v_lfb = le32toh(vmode.v_lfb);
876 vmode.v_offscreen = le32toh(vmode.v_offscreen);
877 vmode.v_offscreensize = le16toh(vmode.v_offscreensize);
878 vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline);
879 vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock);
881 /* reject unsupported modes */
883 if ((vmode.v_modeattr &
884 (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) !=
885 (V_MODESUPP | V_MODEOPTINFO))
888 if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) {
890 printf("Rejecting VESA %s mode: %d x %d x %d bpp "
892 vmode.v_modeattr & V_MODEGRAPHICS ?
894 vmode.v_width, vmode.v_height, vmode.v_bpp,
901 bsize = vesa_get_bpscanline(&vmode) * vmode.v_height;
902 if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0)
903 bsize *= vmode.v_planes;
905 /* Does it have enough memory to support this mode? */
908 printf("Rejecting VESA %s mode: %d x %d x %d bpp "
909 " attr = %x, not enough memory\n",
910 vmode.v_modeattr & V_MODEGRAPHICS ?
912 vmode.v_width, vmode.v_height, vmode.v_bpp,
918 /* expand the array if necessary */
919 if (modes >= vesa_vmode_max) {
920 vesa_vmode_max += MODE_TABLE_DELTA;
921 p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1),
924 printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n",
925 modes, vesa_vmode_max);
928 bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes);
929 free(vesa_vmode, M_DEVBUF);
935 printf("Found VESA %s mode: %d x %d x %d bpp\n",
936 vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text",
937 vmode.v_width, vmode.v_height, vmode.v_bpp);
940 if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) {
941 vmode.v_width &= 0xff;
942 vmode.v_waseg = 0xb8000 >> 4;
946 /* copy some fields */
947 bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes]));
948 vesa_vmode[modes].vi_mode = vesa_vmodetab[i];
949 vesa_vmode[modes].vi_width = vmode.v_width;
950 vesa_vmode[modes].vi_height = vmode.v_height;
951 vesa_vmode[modes].vi_depth = vmode.v_bpp;
952 vesa_vmode[modes].vi_planes = vmode.v_planes;
953 vesa_vmode[modes].vi_cwidth = vmode.v_cwidth;
954 vesa_vmode[modes].vi_cheight = vmode.v_cheight;
955 vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4;
957 vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024;
958 vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024;
959 if (vmode.v_modeattr & V_MODELFB)
960 vesa_vmode[modes].vi_buffer = vmode.v_lfb;
961 vesa_vmode[modes].vi_buffer_size = bsize;
962 vesa_vmode[modes].vi_mem_model =
963 vesa_translate_mmodel(vmode.v_memmodel);
964 switch (vesa_vmode[modes].vi_mem_model) {
965 case V_INFO_MM_DIRECT:
966 if ((vmode.v_modeattr & V_MODELFB) != 0 &&
968 vesa_vmode[modes].vi_pixel_fields[0] =
969 vmode.v_linredfieldpos;
970 vesa_vmode[modes].vi_pixel_fields[1] =
971 vmode.v_lingreenfieldpos;
972 vesa_vmode[modes].vi_pixel_fields[2] =
973 vmode.v_linbluefieldpos;
974 vesa_vmode[modes].vi_pixel_fields[3] =
975 vmode.v_linresfieldpos;
976 vesa_vmode[modes].vi_pixel_fsizes[0] =
977 vmode.v_linredmasksize;
978 vesa_vmode[modes].vi_pixel_fsizes[1] =
979 vmode.v_lingreenmasksize;
980 vesa_vmode[modes].vi_pixel_fsizes[2] =
981 vmode.v_linbluemasksize;
982 vesa_vmode[modes].vi_pixel_fsizes[3] =
983 vmode.v_linresmasksize;
985 vesa_vmode[modes].vi_pixel_fields[0] =
987 vesa_vmode[modes].vi_pixel_fields[1] =
988 vmode.v_greenfieldpos;
989 vesa_vmode[modes].vi_pixel_fields[2] =
990 vmode.v_bluefieldpos;
991 vesa_vmode[modes].vi_pixel_fields[3] =
993 vesa_vmode[modes].vi_pixel_fsizes[0] =
995 vesa_vmode[modes].vi_pixel_fsizes[1] =
996 vmode.v_greenmasksize;
997 vesa_vmode[modes].vi_pixel_fsizes[2] =
998 vmode.v_bluemasksize;
999 vesa_vmode[modes].vi_pixel_fsizes[3] =
1000 vmode.v_resmasksize;
1003 case V_INFO_MM_PACKED:
1004 vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8;
1007 vesa_vmode[modes].vi_flags =
1008 vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA;
1012 vesa_vmode[modes].vi_mode = EOT;
1015 printf("VESA: %d mode(s) found\n", modes);
1017 has_vesa_bios = (modes > 0);
1021 x86bios_free(vmbuf, sizeof(*buf));
1026 x86bios_free(vmbuf, sizeof(buf));
1027 if (vesa_adp_info != NULL) {
1028 free(vesa_adp_info, M_DEVBUF);
1029 vesa_adp_info = NULL;
1031 if (vesa_oemstr != NULL) {
1032 free(vesa_oemstr, M_DEVBUF);
1035 if (vesa_venderstr != NULL) {
1036 free(vesa_venderstr, M_DEVBUF);
1037 vesa_venderstr = NULL;
1039 if (vesa_prodstr != NULL) {
1040 free(vesa_prodstr, M_DEVBUF);
1041 vesa_prodstr = NULL;
1043 if (vesa_revstr != NULL) {
1044 free(vesa_revstr, M_DEVBUF);
1051 vesa_clear_modes(video_info_t *info, int color)
1053 while (info->vi_mode != EOT) {
1054 if ((info->vi_flags & V_INFO_COLOR) != color)
1063 vesa_configure(int flags)
1065 video_adapter_t *adp;
1072 if (flags & VIO_PROBE_ONLY)
1076 * If the VESA module has already been loaded, abort loading
1077 * the module this time.
1079 for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) {
1080 if (adp->va_flags & V_ADP_VESA)
1082 if (adp->va_type == KD_VGA)
1087 * The VGA adapter is not found. This is because either
1088 * 1) the VGA driver has not been initialized, or 2) the VGA card
1089 * is not present. If 1) is the case, we shall defer
1090 * initialization for now and try again later.
1093 vga_sub_configure = vesa_configure;
1097 /* count number of registered adapters */
1098 for (++i; vid_get_adapter(i) != NULL; ++i)
1102 /* call VESA BIOS */
1104 if (vesa_bios_init()) {
1108 vesa_adp->va_flags |= V_ADP_VESA;
1110 /* remove conflicting modes if we have more than one adapter */
1112 vesa_clear_modes(vesa_vmode,
1113 (vesa_adp->va_flags & V_ADP_COLOR) ?
1117 if ((error = vesa_load_ioctl()) == 0) {
1118 prevvidsw = vidsw[vesa_adp->va_index];
1119 vidsw[vesa_adp->va_index] = &vesavidsw;
1120 vesa_init_done = TRUE;
1146 vesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags)
1149 return ((*prevvidsw->probe)(unit, adpp, arg, flags));
1153 vesa_init(int unit, video_adapter_t *adp, int flags)
1156 return ((*prevvidsw->init)(unit, adp, flags));
1160 vesa_get_info(video_adapter_t *adp, int mode, video_info_t *info)
1164 if ((*prevvidsw->get_info)(adp, mode, info) == 0)
1167 if (adp != vesa_adp)
1170 mode = vesa_map_gen_mode_num(vesa_adp->va_type,
1171 vesa_adp->va_flags & V_ADP_COLOR, mode);
1172 for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) {
1173 if (vesa_vmode[i].vi_mode == NA)
1175 if (vesa_vmode[i].vi_mode == mode) {
1176 *info = vesa_vmode[i];
1184 vesa_query_mode(video_adapter_t *adp, video_info_t *info)
1188 if ((*prevvidsw->query_mode)(adp, info) == 0)
1190 if (adp != vesa_adp)
1193 for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) {
1194 if ((info->vi_width != 0)
1195 && (info->vi_width != vesa_vmode[i].vi_width))
1197 if ((info->vi_height != 0)
1198 && (info->vi_height != vesa_vmode[i].vi_height))
1200 if ((info->vi_cwidth != 0)
1201 && (info->vi_cwidth != vesa_vmode[i].vi_cwidth))
1203 if ((info->vi_cheight != 0)
1204 && (info->vi_cheight != vesa_vmode[i].vi_cheight))
1206 if ((info->vi_depth != 0)
1207 && (info->vi_depth != vesa_vmode[i].vi_depth))
1209 if ((info->vi_planes != 0)
1210 && (info->vi_planes != vesa_vmode[i].vi_planes))
1212 /* pixel format, memory model */
1213 if ((info->vi_flags != 0)
1214 && (info->vi_flags != vesa_vmode[i].vi_flags))
1216 *info = vesa_vmode[i];
1223 vesa_set_mode(video_adapter_t *adp, int mode)
1227 if (adp != vesa_adp)
1228 return ((*prevvidsw->set_mode)(adp, mode));
1230 mode = vesa_map_gen_mode_num(adp->va_type,
1231 adp->va_flags & V_ADP_COLOR, mode);
1233 printf("VESA: set_mode(): %d(%x) -> %d(%x)\n",
1234 adp->va_mode, adp->va_mode, mode, mode);
1237 * If the current mode is a VESA mode and the new mode is not,
1238 * restore the state of the adapter first by setting one of the
1239 * standard VGA mode, so that non-standard, extended SVGA registers
1240 * are set to the state compatible with the standard VGA modes.
1241 * Otherwise (*prevvidsw->set_mode)() may not be able to set up
1242 * the new mode correctly.
1244 if (VESA_MODE(adp->va_mode)) {
1245 if (!VESA_MODE(mode) &&
1246 (*prevvidsw->get_info)(adp, mode, &info) == 0) {
1247 if ((adp->va_flags & V_ADP_DAC8) != 0) {
1248 vesa_bios_set_dac(6);
1249 adp->va_flags &= ~V_ADP_DAC8;
1251 int10_set_mode(adp->va_initial_bios_mode);
1252 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1253 pmap_unmapdev(adp->va_buffer,
1254 vesa_adp_info->v_memsize * 64 * 1024);
1256 * Once (*prevvidsw->get_info)() succeeded,
1257 * (*prevvidsw->set_mode)() below won't fail...
1262 /* we may not need to handle this mode after all... */
1263 if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0)
1266 /* is the new mode supported? */
1267 if (vesa_get_info(adp, mode, &info))
1269 /* assert(VESA_MODE(mode)); */
1272 printf("VESA: about to set a VESA mode...\n");
1274 /* don't use the linear frame buffer for text modes. XXX */
1275 if (!(info.vi_flags & V_INFO_GRAPHICS))
1276 info.vi_flags &= ~V_INFO_LINEAR;
1278 if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0)))
1281 /* Palette format is reset by the above VBE function call. */
1282 adp->va_flags &= ~V_ADP_DAC8;
1284 if ((vesa_adp_info->v_flags & V_DAC8) != 0 &&
1285 (info.vi_flags & V_INFO_GRAPHICS) != 0 &&
1286 vesa_bios_set_dac(8) > 6)
1287 adp->va_flags |= V_ADP_DAC8;
1289 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1290 pmap_unmapdev(adp->va_buffer,
1291 vesa_adp_info->v_memsize * 64 * 1024);
1294 printf("VESA: mode set!\n");
1296 vesa_adp->va_mode = mode;
1297 vesa_adp->va_flags &= ~V_ADP_COLOR;
1298 vesa_adp->va_flags |=
1299 (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0;
1300 vesa_adp->va_crtc_addr =
1301 (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC;
1303 vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height;
1304 if ((info.vi_flags & V_INFO_GRAPHICS) != 0)
1305 vesa_adp->va_line_width /= info.vi_planes;
1307 #ifdef MODE_TABLE_BROKEN
1308 /* If VBE function returns bigger bytes per scan line, use it. */
1310 int bpsl = vesa_bios_get_line_length();
1311 if (bpsl > vesa_adp->va_line_width) {
1312 vesa_adp->va_line_width = bpsl;
1313 info.vi_buffer_size = bpsl * info.vi_height;
1314 if ((info.vi_flags & V_INFO_GRAPHICS) != 0)
1315 info.vi_buffer_size *= info.vi_planes;
1320 if (info.vi_flags & V_INFO_LINEAR) {
1322 printf("VESA: setting up LFB\n");
1324 vesa_adp->va_buffer =
1325 (vm_offset_t)pmap_mapdev_attr(info.vi_buffer,
1326 vesa_adp_info->v_memsize * 64 * 1024, PAT_WRITE_COMBINING);
1327 vesa_adp->va_window = vesa_adp->va_buffer;
1328 vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes;
1329 vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes;
1331 vesa_adp->va_buffer = 0;
1332 vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window);
1333 vesa_adp->va_window_size = info.vi_window_size;
1334 vesa_adp->va_window_gran = info.vi_window_gran;
1336 vesa_adp->va_buffer_size = info.vi_buffer_size;
1337 vesa_adp->va_window_orig = 0;
1338 vesa_adp->va_disp_start.x = 0;
1339 vesa_adp->va_disp_start.y = 0;
1341 printf("vesa_set_mode(): vi_width:%d, line_width:%d\n",
1342 info.vi_width, vesa_adp->va_line_width);
1344 bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info));
1346 /* move hardware cursor out of the way */
1347 (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1);
1353 vesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth,
1354 u_char *data, int ch, int count)
1357 return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data,
1362 vesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth,
1363 u_char *data, int ch, int count)
1366 return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data,
1371 vesa_show_font(video_adapter_t *adp, int page)
1374 return ((*prevvidsw->show_font)(adp, page));
1378 vesa_save_palette(video_adapter_t *adp, u_char *palette)
1382 if (adp == vesa_adp && VESA_MODE(adp->va_mode)) {
1383 bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6;
1384 if (vesa_bios_save_palette(0, 256, palette, bits) == 0)
1388 return ((*prevvidsw->save_palette)(adp, palette));
1392 vesa_load_palette(video_adapter_t *adp, u_char *palette)
1396 if (adp == vesa_adp && VESA_MODE(adp->va_mode)) {
1397 bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6;
1398 if (vesa_bios_load_palette(0, 256, palette, bits) == 0)
1402 return ((*prevvidsw->load_palette)(adp, palette));
1406 vesa_set_border(video_adapter_t *adp, int color)
1409 return ((*prevvidsw->set_border)(adp, color));
1413 vesa_save_state(video_adapter_t *adp, void *p, size_t size)
1416 if (adp != vesa_adp)
1417 return ((*prevvidsw->save_state)(adp, p, size));
1419 if (vesa_state_buf_size == -1) {
1420 vesa_state_buf_size = vesa_bios_state_buf_size();
1421 if (vesa_state_buf_size == 0)
1425 return (offsetof(adp_state_t, regs) + vesa_state_buf_size);
1426 else if (size < (offsetof(adp_state_t, regs) + vesa_state_buf_size))
1429 ((adp_state_t *)p)->sig = V_STATE_SIG;
1430 bzero(((adp_state_t *)p)->regs, vesa_state_buf_size);
1431 return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs,
1432 vesa_state_buf_size));
1436 vesa_load_state(video_adapter_t *adp, void *p)
1439 if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG))
1440 return ((*prevvidsw->load_state)(adp, p));
1442 if (vesa_state_buf_size <= 0)
1445 /* Try BIOS POST to restore a sane state. */
1446 (void)vesa_bios_post();
1447 (void)int10_set_mode(adp->va_initial_bios_mode);
1448 (void)vesa_set_mode(adp, adp->va_mode);
1450 return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs,
1451 vesa_state_buf_size));
1456 vesa_get_origin(video_adapter_t *adp, off_t *offset)
1460 x86bios_init_regs(®s);
1464 x86bios_intr(®s, 0x10);
1466 if (regs.R_AX != 0x004f)
1468 *offset = regs.DX * adp->va_window_gran;
1475 vesa_set_origin(video_adapter_t *adp, off_t offset)
1480 * This function should return as quickly as possible to
1481 * maintain good performance of the system. For this reason,
1482 * error checking is kept minimal and let the VESA BIOS to
1485 if (adp != vesa_adp)
1486 return ((*prevvidsw->set_win_org)(adp, offset));
1488 /* if this is a linear frame buffer, do nothing */
1489 if (adp->va_info.vi_flags & V_INFO_LINEAR)
1492 if (adp->va_window_gran == 0)
1495 x86bios_init_regs(®s);
1497 regs.R_DX = offset / adp->va_window_gran;
1499 x86bios_intr(®s, 0x10);
1501 if (regs.R_AX != 0x004f)
1504 x86bios_init_regs(®s);
1507 regs.R_DX = offset / adp->va_window_gran;
1508 x86bios_intr(®s, 0x10);
1510 adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran;
1511 return (0); /* XXX */
1515 vesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
1518 return ((*prevvidsw->read_hw_cursor)(adp, col, row));
1522 vesa_set_hw_cursor(video_adapter_t *adp, int col, int row)
1525 return ((*prevvidsw->set_hw_cursor)(adp, col, row));
1529 vesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
1530 int celsize, int blink)
1533 return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize,
1538 vesa_blank_display(video_adapter_t *adp, int mode)
1541 /* XXX: use VESA DPMS */
1542 return ((*prevvidsw->blank_display)(adp, mode));
1546 vesa_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr,
1551 printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%tx\n",
1552 adp->va_info.vi_window, adp->va_info.vi_buffer, offset);
1555 if ((adp == vesa_adp) &&
1556 (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) {
1557 /* va_window_size == va_buffer_size/vi_planes */
1558 /* XXX: is this correct? */
1559 if (offset > adp->va_window_size - PAGE_SIZE)
1561 *paddr = adp->va_info.vi_buffer + offset;
1564 return ((*prevvidsw->mmap)(adp, offset, paddr, prot));
1568 vesa_clear(video_adapter_t *adp)
1571 return ((*prevvidsw->clear)(adp));
1575 vesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
1578 return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy));
1582 vesa_bitblt(video_adapter_t *adp,...)
1590 get_palette(video_adapter_t *adp, int base, int count,
1591 u_char *red, u_char *green, u_char *blue, u_char *trans)
1599 if (base < 0 || base >= 256 || count < 0 || count > 256)
1601 if ((base + count) > 256)
1603 if (!VESA_MODE(adp->va_mode))
1606 bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6;
1607 r = malloc(count * 3, M_DEVBUF, M_WAITOK);
1610 error = vesa_bios_save_palette2(base, count, r, g, b, bits);
1612 copyout(r, red, count);
1613 copyout(g, green, count);
1614 copyout(b, blue, count);
1615 if (trans != NULL) {
1617 copyout(r, trans, count);
1626 set_palette(video_adapter_t *adp, int base, int count,
1627 u_char *red, u_char *green, u_char *blue, u_char *trans)
1635 if (base < 0 || base >= 256 || count < 0 || count > 256)
1637 if ((base + count) > 256)
1639 if (!VESA_MODE(adp->va_mode))
1642 bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6;
1643 r = malloc(count * 3, M_DEVBUF, M_WAITOK);
1646 copyin(red, r, count);
1647 copyin(green, g, count);
1648 copyin(blue, b, count);
1650 error = vesa_bios_load_palette2(base, count, r, g, b, bits);
1657 vesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg)
1661 if (adp != vesa_adp)
1662 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1665 case FBIO_SETWINORG: /* set frame buffer window origin */
1666 if (!VESA_MODE(adp->va_mode))
1667 return (*prevvidsw->ioctl)(adp, cmd, arg);
1668 return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0);
1670 case FBIO_SETDISPSTART: /* set display start address */
1671 if (!VESA_MODE(adp->va_mode))
1672 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1673 if (vesa_bios_set_start(((video_display_start_t *)arg)->x,
1674 ((video_display_start_t *)arg)->y))
1676 adp->va_disp_start.x = ((video_display_start_t *)arg)->x;
1677 adp->va_disp_start.y = ((video_display_start_t *)arg)->y;
1680 case FBIO_SETLINEWIDTH: /* set line length in pixel */
1681 if (!VESA_MODE(adp->va_mode))
1682 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1683 if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL))
1685 adp->va_line_width = bytes;
1687 printf("new line width:%d\n", adp->va_line_width);
1691 case FBIO_GETPALETTE: /* get color palette */
1692 if (get_palette(adp, ((video_color_palette_t *)arg)->index,
1693 ((video_color_palette_t *)arg)->count,
1694 ((video_color_palette_t *)arg)->red,
1695 ((video_color_palette_t *)arg)->green,
1696 ((video_color_palette_t *)arg)->blue,
1697 ((video_color_palette_t *)arg)->transparent))
1698 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1702 case FBIO_SETPALETTE: /* set color palette */
1703 if (set_palette(adp, ((video_color_palette_t *)arg)->index,
1704 ((video_color_palette_t *)arg)->count,
1705 ((video_color_palette_t *)arg)->red,
1706 ((video_color_palette_t *)arg)->green,
1707 ((video_color_palette_t *)arg)->blue,
1708 ((video_color_palette_t *)arg)->transparent))
1709 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1712 case FBIOGETCMAP: /* get color palette */
1713 if (get_palette(adp, ((struct fbcmap *)arg)->index,
1714 ((struct fbcmap *)arg)->count,
1715 ((struct fbcmap *)arg)->red,
1716 ((struct fbcmap *)arg)->green,
1717 ((struct fbcmap *)arg)->blue, NULL))
1718 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1721 case FBIOPUTCMAP: /* set color palette */
1722 if (set_palette(adp, ((struct fbcmap *)arg)->index,
1723 ((struct fbcmap *)arg)->count,
1724 ((struct fbcmap *)arg)->red,
1725 ((struct fbcmap *)arg)->green,
1726 ((struct fbcmap *)arg)->blue, NULL))
1727 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1731 return ((*prevvidsw->ioctl)(adp, cmd, arg));
1736 vesa_diag(video_adapter_t *adp, int level)
1740 /* call the previous handler first */
1741 error = (*prevvidsw->diag)(adp, level);
1745 if (adp != vesa_adp)
1755 vesa_bios_info(int level)
1758 struct vesa_mode vmode;
1763 vers = vesa_adp_info->v_version;
1766 /* general adapter information */
1768 "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n",
1769 (vers >> 12) * 10 + ((vers & 0x0f00) >> 8),
1770 ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f),
1771 vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags,
1772 vesa_vmodetab, vesa_adp_info->v_modetable);
1775 if (vesa_oemstr != NULL)
1776 printf("VESA: %s\n", vesa_oemstr);
1782 if (vers >= 0x0200 && bootverbose) {
1783 /* vender name, product name, product revision */
1784 printf("VESA: %s %s %s\n",
1785 (vesa_venderstr != NULL) ? vesa_venderstr : "unknown",
1786 (vesa_prodstr != NULL) ? vesa_prodstr : "unknown",
1787 (vesa_revstr != NULL) ? vesa_revstr : "?");
1791 /* mode information */
1793 (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
1794 && (vesa_vmodetab[i] != 0xffff); ++i) {
1795 if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))
1798 /* print something for diagnostic purpose */
1799 printf("VESA: mode:0x%03x, flags:0x%04x",
1800 vesa_vmodetab[i], vmode.v_modeattr);
1801 if (vmode.v_modeattr & V_MODEOPTINFO) {
1802 if (vmode.v_modeattr & V_MODEGRAPHICS) {
1803 printf(", G %dx%dx%d %d, ",
1804 vmode.v_width, vmode.v_height,
1805 vmode.v_bpp, vmode.v_planes);
1807 printf(", T %dx%d, ",
1808 vmode.v_width, vmode.v_height);
1810 printf("font:%dx%d, ",
1811 vmode.v_cwidth, vmode.v_cheight);
1812 printf("pages:%d, mem:%d",
1813 vmode.v_ipages + 1, vmode.v_memmodel);
1815 if (vmode.v_modeattr & V_MODELFB) {
1816 printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x",
1817 vmode.v_lfb, vmode.v_offscreen,
1818 vmode.v_offscreensize*1024);
1821 printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ",
1822 vmode.v_waseg, vmode.v_waattr,
1823 vmode.v_wbseg, vmode.v_wbattr);
1824 printf("size:%dk, gran:%dk\n",
1825 vmode.v_wsize, vmode.v_wgran);
1827 #endif /* VESA_DEBUG > 1 */
1832 /* module loading */
1843 /* locate a VGA adapter */
1846 error = vesa_configure(0);
1850 vesa_bios_info(bootverbose);
1858 u_char palette[256*3];
1862 /* if the adapter is currently in a VESA mode, don't unload */
1863 if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode))
1866 * FIXME: if there is at least one vty which is in a VESA mode,
1867 * we shouldn't be unloading! XXX
1871 if ((error = vesa_unload_ioctl()) == 0) {
1872 if (vesa_adp != NULL) {
1873 if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) {
1874 vesa_bios_save_palette(0, 256, palette, 8);
1875 vesa_bios_set_dac(6);
1876 vesa_adp->va_flags &= ~V_ADP_DAC8;
1877 vesa_bios_load_palette(0, 256, palette, 6);
1879 vesa_adp->va_flags &= ~V_ADP_VESA;
1880 vidsw[vesa_adp->va_index] = prevvidsw;
1885 if (vesa_adp_info != NULL)
1886 free(vesa_adp_info, M_DEVBUF);
1887 if (vesa_oemstr != NULL)
1888 free(vesa_oemstr, M_DEVBUF);
1889 if (vesa_venderstr != NULL)
1890 free(vesa_venderstr, M_DEVBUF);
1891 if (vesa_prodstr != NULL)
1892 free(vesa_prodstr, M_DEVBUF);
1893 if (vesa_revstr != NULL)
1894 free(vesa_revstr, M_DEVBUF);
1895 if (vesa_vmode != &vesa_vmode_empty)
1896 free(vesa_vmode, M_DEVBUF);
1901 vesa_mod_event(module_t mod, int type, void *data)
1906 return (vesa_load());
1908 return (vesa_unload());
1910 return (EOPNOTSUPP);
1913 static moduledata_t vesa_mod = {
1919 DECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1920 MODULE_DEPEND(vesa, x86bios, 1, 1, 1);
1922 #endif /* VGA_NO_MODE_CHANGE */