vesa.c revision 233896
139287Ssos/*- 239643Syokota * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith 3232065Sjkim * Copyright (c) 2009-2012 Jung-uk Kim <jkim@FreeBSD.org> 439287Ssos * All rights reserved. 539287Ssos * 639287Ssos * Redistribution and use in source and binary forms, with or without 739287Ssos * modification, are permitted provided that the following conditions 839287Ssos * are met: 939287Ssos * 1. Redistributions of source code must retain the above copyright 1039643Syokota * notice, this list of conditions and the following disclaimer as 1139643Syokota * the first lines of this file unmodified. 1239287Ssos * 2. Redistributions in binary form must reproduce the above copyright 1339287Ssos * notice, this list of conditions and the following disclaimer in the 1439287Ssos * documentation and/or other materials provided with the distribution. 1539287Ssos * 1639643Syokota * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 1739643Syokota * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1839643Syokota * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1939643Syokota * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 2039643Syokota * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2139643Syokota * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2239643Syokota * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2339643Syokota * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2439643Syokota * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2539643Syokota * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2639287Ssos */ 2739287Ssos 28115703Sobrien#include <sys/cdefs.h> 29115703Sobrien__FBSDID("$FreeBSD: head/sys/dev/fb/vesa.c 233896 2012-04-04 22:02:54Z jkim $"); 30115703Sobrien 3142504Syokota#include "opt_vga.h" 3266710Sjhb#include "opt_vesa.h" 3339287Ssos 3456836Speter#ifndef VGA_NO_MODE_CHANGE 3539287Ssos 3639287Ssos#include <sys/param.h> 37198251Sjkim#include <sys/bus.h> 3839287Ssos#include <sys/systm.h> 3939287Ssos#include <sys/kernel.h> 40210994Sjkim#include <sys/lock.h> 4142179Syokota#include <sys/module.h> 4239287Ssos#include <sys/malloc.h> 43210994Sjkim#include <sys/mutex.h> 4448104Syokota#include <sys/fbio.h> 45211827Sjkim#include <sys/sysctl.h> 4648104Syokota 4739287Ssos#include <vm/vm.h> 4848104Syokota#include <vm/vm_extern.h> 4948104Syokota#include <vm/vm_kern.h> 50130312Sjhb#include <vm/vm_param.h> 5139287Ssos#include <vm/pmap.h> 5239287Ssos 53197383Sdelphij#include <machine/pc/bios.h> 54197025Sdelphij#include <dev/fb/vesa.h> 5539287Ssos 5642504Syokota#include <dev/fb/fbreg.h> 5742504Syokota#include <dev/fb/vgareg.h> 5839287Ssos 59198251Sjkim#include <dev/pci/pcivar.h> 60198251Sjkim 6142504Syokota#include <isa/isareg.h> 6242504Syokota 63197444Sjkim#include <compat/x86bios/x86bios.h> 64197025Sdelphij 65211827Sjkim#define VESA_BIOS_OFFSET 0xc0000 66211827Sjkim#define VESA_PALETTE_SIZE (256 * 4) 67117710Srobert#define VESA_VIA_CLE266 "VIA CLE266\r\n" 68117710Srobert 6942504Syokota#ifndef VESA_DEBUG 7042611Syokota#define VESA_DEBUG 0 7142504Syokota#endif 7242504Syokota 7339287Ssos/* VESA video adapter state buffer stub */ 7439287Ssosstruct adp_state { 7539287Ssos int sig; 7639287Ssos#define V_STATE_SIG 0x61736576 7739287Ssos u_char regs[1]; 7839287Ssos}; 7939287Ssostypedef struct adp_state adp_state_t; 8039287Ssos 81210994Sjkimstatic struct mtx vesa_lock; 82210994Sjkim 83232063Sjkimstatic int vesa_state; 84233054Sjkimstatic void *vesa_state_buf; 85233054Sjkimstatic uint32_t vesa_state_buf_offs; 86233054Sjkimstatic ssize_t vesa_state_buf_size; 87210016Sjkim 88233054Sjkimstatic u_char *vesa_palette; 89233054Sjkimstatic uint32_t vesa_palette_offs; 90210016Sjkim 91233056Sjkimstatic void *vesa_vmem_buf; 92233056Sjkim 93233054Sjkimstatic void *vesa_bios; 94233054Sjkimstatic uint32_t vesa_bios_offs; 95233054Sjkimstatic uint32_t vesa_bios_int10; 96233054Sjkimstatic size_t vesa_bios_size; 97211827Sjkim 9839287Ssos/* VESA video adapter */ 99233054Sjkimstatic video_adapter_t *vesa_adp; 10039287Ssos 101227309Sedstatic SYSCTL_NODE(_debug, OID_AUTO, vesa, CTLFLAG_RD, NULL, "VESA debugging"); 102233054Sjkimstatic int vesa_shadow_rom; 103211827SjkimTUNABLE_INT("debug.vesa.shadow_rom", &vesa_shadow_rom); 104211827SjkimSYSCTL_INT(_debug_vesa, OID_AUTO, shadow_rom, CTLFLAG_RDTUN, &vesa_shadow_rom, 105212154Sjkim 0, "Enable video BIOS shadow"); 106211827Sjkim 10739287Ssos/* VESA functions */ 10848399Speter#if 0 10942504Syokotastatic int vesa_nop(void); 11048399Speter#endif 11148104Syokotastatic int vesa_error(void); 11242504Syokotastatic vi_probe_t vesa_probe; 11339287Ssosstatic vi_init_t vesa_init; 11439287Ssosstatic vi_get_info_t vesa_get_info; 11539287Ssosstatic vi_query_mode_t vesa_query_mode; 11639287Ssosstatic vi_set_mode_t vesa_set_mode; 11739287Ssosstatic vi_save_font_t vesa_save_font; 11839287Ssosstatic vi_load_font_t vesa_load_font; 11939287Ssosstatic vi_show_font_t vesa_show_font; 12039287Ssosstatic vi_save_palette_t vesa_save_palette; 12139287Ssosstatic vi_load_palette_t vesa_load_palette; 12239287Ssosstatic vi_set_border_t vesa_set_border; 12339287Ssosstatic vi_save_state_t vesa_save_state; 12439287Ssosstatic vi_load_state_t vesa_load_state; 12539287Ssosstatic vi_set_win_org_t vesa_set_origin; 12639287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 12739287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 12842504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 12948104Syokotastatic vi_blank_display_t vesa_blank_display; 13042504Syokotastatic vi_mmap_t vesa_mmap; 13148104Syokotastatic vi_ioctl_t vesa_ioctl; 13248104Syokotastatic vi_clear_t vesa_clear; 13348104Syokotastatic vi_fill_rect_t vesa_fill_rect; 13448104Syokotastatic vi_bitblt_t vesa_bitblt; 13539287Ssosstatic vi_diag_t vesa_diag; 13648104Syokotastatic int vesa_bios_info(int level); 13739287Ssos 13842504Syokotastatic video_switch_t vesavidsw = { 13942504Syokota vesa_probe, 14042504Syokota vesa_init, 14142504Syokota vesa_get_info, 14242504Syokota vesa_query_mode, 14342504Syokota vesa_set_mode, 14442504Syokota vesa_save_font, 14542504Syokota vesa_load_font, 14642504Syokota vesa_show_font, 14742504Syokota vesa_save_palette, 14842504Syokota vesa_load_palette, 14942504Syokota vesa_set_border, 15042504Syokota vesa_save_state, 15142504Syokota vesa_load_state, 15242504Syokota vesa_set_origin, 15342504Syokota vesa_read_hw_cursor, 15442504Syokota vesa_set_hw_cursor, 15542504Syokota vesa_set_hw_cursor_shape, 15648104Syokota vesa_blank_display, 15742504Syokota vesa_mmap, 15848104Syokota vesa_ioctl, 15948104Syokota vesa_clear, 16048104Syokota vesa_fill_rect, 16148104Syokota vesa_bitblt, 16248104Syokota vesa_error, 16348104Syokota vesa_error, 16439287Ssos vesa_diag, 16539287Ssos}; 16639287Ssos 16742504Syokotastatic video_switch_t *prevvidsw; 16839287Ssos 16939287Ssos/* VESA BIOS video modes */ 17039287Ssos#define VESA_MAXMODES 64 17139287Ssos#define EOT (-1) 17239287Ssos#define NA (-2) 17339287Ssos 17448104Syokota#define MODE_TABLE_DELTA 8 17539287Ssos 176233054Sjkimstatic int vesa_vmode_max; 177233054Sjkimstatic video_info_t *vesa_vmode; 17848104Syokota 179233054Sjkimstatic int vesa_init_done; 180233054Sjkimstatic struct vesa_info *vesa_adp_info; 181233054Sjkimstatic u_int16_t *vesa_vmodetab; 182233054Sjkimstatic char *vesa_oemstr; 183233054Sjkimstatic char *vesa_venderstr; 184233054Sjkimstatic char *vesa_prodstr; 185233054Sjkimstatic char *vesa_revstr; 18639287Ssos 18739287Ssos/* local macros and functions */ 18839287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 18939287Ssos 19042504Syokotastatic int int10_set_mode(int mode); 191198251Sjkimstatic int vesa_bios_post(void); 192209491Sjkimstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags); 19339287Ssosstatic int vesa_bios_set_mode(int mode); 194204265Sjkim#if 0 19545117Syokotastatic int vesa_bios_get_dac(void); 196204265Sjkim#endif 19739287Ssosstatic int vesa_bios_set_dac(int bits); 19842729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 19942729Syokota int bits); 20048104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 20148104Syokota u_char *b, int bits); 20242729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 20342729Syokota int bits); 20448104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 20548104Syokota u_char *b, int bits); 20639287Ssos#define STATE_SIZE 0 20739287Ssos#define STATE_SAVE 1 20839287Ssos#define STATE_LOAD 2 209232063Sjkimstatic ssize_t vesa_bios_state_buf_size(int); 210210016Sjkimstatic int vesa_bios_save_restore(int code, void *p); 211205653Sjkim#ifdef MODE_TABLE_BROKEN 21243664Syokotastatic int vesa_bios_get_line_length(void); 213205653Sjkim#endif 21450446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 21548399Speter#if 0 21648104Syokotastatic int vesa_bios_get_start(int *x, int *y); 21748399Speter#endif 21848104Syokotastatic int vesa_bios_set_start(int x, int y); 21939591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 22039591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 22148104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 222205564Sjkimstatic int vesa_get_bpscanline(struct vesa_mode *vmode); 22339287Ssosstatic int vesa_bios_init(void); 224233054Sjkimstatic void vesa_bios_uninit(void); 22539591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 22639287Ssos 22748399Speter#if 0 22848104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 22948399Speter#endif 23048104Syokota 23142504Syokota/* INT 10 BIOS calls */ 23242504Syokotastatic int 23342504Syokotaint10_set_mode(int mode) 23442504Syokota{ 235197383Sdelphij x86regs_t regs; 23642504Syokota 237198251Sjkim x86bios_init_regs(®s); 238198251Sjkim regs.R_AL = mode; 239197383Sdelphij 240197466Sjkim x86bios_intr(®s, 0x10); 241197383Sdelphij 242198251Sjkim return (0); 24342504Syokota} 24442504Syokota 245198251Sjkimstatic int 246198251Sjkimvesa_bios_post(void) 247198251Sjkim{ 248198251Sjkim x86regs_t regs; 249198251Sjkim devclass_t dc; 250198251Sjkim device_t *devs; 251198251Sjkim device_t dev; 252198251Sjkim int count, i, is_pci; 253198251Sjkim 254211827Sjkim if (x86bios_get_orm(vesa_bios_offs) == NULL) 255198251Sjkim return (1); 256198251Sjkim 257198251Sjkim dev = NULL; 258198251Sjkim is_pci = 0; 259198251Sjkim 260198251Sjkim /* Find the matching PCI video controller. */ 261198251Sjkim dc = devclass_find("vgapci"); 262198251Sjkim if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) { 263208276Sjkim for (i = 0; i < count; i++) 264208276Sjkim if (device_get_flags(devs[i]) != 0 && 265211827Sjkim x86bios_match_device(vesa_bios_offs, devs[i])) { 266208276Sjkim dev = devs[i]; 267198251Sjkim is_pci = 1; 268198251Sjkim break; 269198251Sjkim } 270198251Sjkim free(devs, M_TEMP); 271198251Sjkim } 272198251Sjkim 273198251Sjkim /* Try VGA if a PCI device is not found. */ 274198251Sjkim if (dev == NULL) { 275198251Sjkim dc = devclass_find(VGA_DRIVER_NAME); 276198251Sjkim if (dc != NULL) 277198251Sjkim dev = devclass_get_device(dc, 0); 278198251Sjkim } 279198251Sjkim 280198251Sjkim if (bootverbose) 281198251Sjkim printf("%s: calling BIOS POST\n", 282198251Sjkim dev == NULL ? "VESA" : device_get_nameunit(dev)); 283198251Sjkim 284198251Sjkim x86bios_init_regs(®s); 285198251Sjkim if (is_pci) { 286198251Sjkim regs.R_AH = pci_get_bus(dev); 287198251Sjkim regs.R_AL = (pci_get_slot(dev) << 3) | 288198251Sjkim (pci_get_function(dev) & 0x07); 289198251Sjkim } 290198251Sjkim regs.R_DL = 0x80; 291211827Sjkim x86bios_call(®s, X86BIOS_PHYSTOSEG(vesa_bios_offs + 3), 292211827Sjkim X86BIOS_PHYSTOOFF(vesa_bios_offs + 3)); 293198419Sjkim 294198419Sjkim if (x86bios_get_intr(0x10) == 0) 295198419Sjkim return (1); 296198419Sjkim 297198251Sjkim return (0); 298198251Sjkim} 299198251Sjkim 30039287Ssos/* VESA BIOS calls */ 30139287Ssosstatic int 302209491Sjkimvesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags) 30339287Ssos{ 304197383Sdelphij x86regs_t regs; 305198251Sjkim uint32_t offs; 306198251Sjkim void *buf; 30739287Ssos 308209491Sjkim buf = x86bios_alloc(&offs, sizeof(*vmode), flags); 309198251Sjkim if (buf == NULL) 310198251Sjkim return (1); 31144846Sjlemon 312198251Sjkim x86bios_init_regs(®s); 313198251Sjkim regs.R_AX = 0x4f01; 314198251Sjkim regs.R_CX = mode; 315197025Sdelphij 316198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 317198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 318197025Sdelphij 319197466Sjkim x86bios_intr(®s, 0x10); 320197383Sdelphij 321198251Sjkim if (regs.R_AX != 0x004f) { 322198251Sjkim x86bios_free(buf, sizeof(*vmode)); 323198251Sjkim return (1); 324197383Sdelphij } 325197025Sdelphij 32639287Ssos bcopy(buf, vmode, sizeof(*vmode)); 327198251Sjkim x86bios_free(buf, sizeof(*vmode)); 328197025Sdelphij 329198251Sjkim return (0); 33039287Ssos} 33139287Ssos 33239287Ssosstatic int 33339287Ssosvesa_bios_set_mode(int mode) 33439287Ssos{ 335197383Sdelphij x86regs_t regs; 33639287Ssos 337198251Sjkim x86bios_init_regs(®s); 338198251Sjkim regs.R_AX = 0x4f02; 339198251Sjkim regs.R_BX = mode; 340197025Sdelphij 341197466Sjkim x86bios_intr(®s, 0x10); 342197383Sdelphij 343198251Sjkim return (regs.R_AX != 0x004f); 34439287Ssos} 34539287Ssos 346204265Sjkim#if 0 34739287Ssosstatic int 34845117Syokotavesa_bios_get_dac(void) 34945117Syokota{ 350197383Sdelphij x86regs_t regs; 35145117Syokota 352198251Sjkim x86bios_init_regs(®s); 353198251Sjkim regs.R_AX = 0x4f08; 354198251Sjkim regs.R_BL = 1; 355197025Sdelphij 356197466Sjkim x86bios_intr(®s, 0x10); 357197383Sdelphij 358198251Sjkim if (regs.R_AX != 0x004f) 359198251Sjkim return (6); 360197025Sdelphij 361198251Sjkim return (regs.R_BH); 36245117Syokota} 363204265Sjkim#endif 36445117Syokota 36545117Syokotastatic int 36639287Ssosvesa_bios_set_dac(int bits) 36739287Ssos{ 368197383Sdelphij x86regs_t regs; 36939287Ssos 370198251Sjkim x86bios_init_regs(®s); 371198251Sjkim regs.R_AX = 0x4f08; 372198251Sjkim /* regs.R_BL = 0; */ 373198251Sjkim regs.R_BH = bits; 374197025Sdelphij 375197466Sjkim x86bios_intr(®s, 0x10); 376197383Sdelphij 377198251Sjkim if (regs.R_AX != 0x004f) 378198251Sjkim return (6); 379197025Sdelphij 380198251Sjkim return (regs.R_BH); 38139287Ssos} 38239287Ssos 38339287Ssosstatic int 38442729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 38539287Ssos{ 386197383Sdelphij x86regs_t regs; 38739287Ssos int i; 38839287Ssos 389198251Sjkim x86bios_init_regs(®s); 390198251Sjkim regs.R_AX = 0x4f09; 391198251Sjkim regs.R_BL = 1; 392198251Sjkim regs.R_CX = colors; 393198251Sjkim regs.R_DX = start; 394197025Sdelphij 395210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 396210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 397197025Sdelphij 398210994Sjkim bits = 8 - bits; 399210994Sjkim mtx_lock(&vesa_lock); 400197466Sjkim x86bios_intr(®s, 0x10); 401210994Sjkim if (regs.R_AX != 0x004f) { 402210994Sjkim mtx_unlock(&vesa_lock); 403198251Sjkim return (1); 404210994Sjkim } 40539287Ssos for (i = 0; i < colors; ++i) { 406210016Sjkim palette[i * 3] = vesa_palette[i * 4 + 2] << bits; 407210016Sjkim palette[i * 3 + 1] = vesa_palette[i * 4 + 1] << bits; 408210016Sjkim palette[i * 3 + 2] = vesa_palette[i * 4] << bits; 40939287Ssos } 410210994Sjkim mtx_unlock(&vesa_lock); 411197383Sdelphij 412198251Sjkim return (0); 41339287Ssos} 41439287Ssos 41539287Ssosstatic int 41648104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 41748104Syokota int bits) 41848104Syokota{ 419197383Sdelphij x86regs_t regs; 42048104Syokota int i; 42148104Syokota 422198251Sjkim x86bios_init_regs(®s); 423198251Sjkim regs.R_AX = 0x4f09; 424198251Sjkim regs.R_BL = 1; 425198251Sjkim regs.R_CX = colors; 426198251Sjkim regs.R_DX = start; 427197025Sdelphij 428210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 429210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 430197025Sdelphij 431210994Sjkim bits = 8 - bits; 432210994Sjkim mtx_lock(&vesa_lock); 433197466Sjkim x86bios_intr(®s, 0x10); 434210994Sjkim if (regs.R_AX != 0x004f) { 435210994Sjkim mtx_unlock(&vesa_lock); 436198251Sjkim return (1); 437210994Sjkim } 43848104Syokota for (i = 0; i < colors; ++i) { 439210016Sjkim r[i] = vesa_palette[i * 4 + 2] << bits; 440210016Sjkim g[i] = vesa_palette[i * 4 + 1] << bits; 441210016Sjkim b[i] = vesa_palette[i * 4] << bits; 44248104Syokota } 443210994Sjkim mtx_unlock(&vesa_lock); 444197383Sdelphij 445198251Sjkim return (0); 44648104Syokota} 44748104Syokota 44848104Syokotastatic int 44942729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 45039287Ssos{ 451197383Sdelphij x86regs_t regs; 45239287Ssos int i; 45339287Ssos 454198251Sjkim x86bios_init_regs(®s); 455198251Sjkim regs.R_AX = 0x4f09; 456198251Sjkim /* regs.R_BL = 0; */ 457198251Sjkim regs.R_CX = colors; 458198251Sjkim regs.R_DX = start; 459198251Sjkim 460210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 461210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 462198251Sjkim 46342729Syokota bits = 8 - bits; 464210994Sjkim mtx_lock(&vesa_lock); 46539287Ssos for (i = 0; i < colors; ++i) { 466210016Sjkim vesa_palette[i * 4] = palette[i * 3 + 2] >> bits; 467210016Sjkim vesa_palette[i * 4 + 1] = palette[i * 3 + 1] >> bits; 468210016Sjkim vesa_palette[i * 4 + 2] = palette[i * 3] >> bits; 469210016Sjkim vesa_palette[i * 4 + 3] = 0; 47039287Ssos } 471197466Sjkim x86bios_intr(®s, 0x10); 472210994Sjkim mtx_unlock(&vesa_lock); 473197025Sdelphij 474198251Sjkim return (regs.R_AX != 0x004f); 47539287Ssos} 47639287Ssos 47739287Ssosstatic int 47848104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 47948104Syokota int bits) 48048104Syokota{ 481197383Sdelphij x86regs_t regs; 48248104Syokota int i; 48348104Syokota 484198251Sjkim x86bios_init_regs(®s); 485198251Sjkim regs.R_AX = 0x4f09; 486198251Sjkim /* regs.R_BL = 0; */ 487198251Sjkim regs.R_CX = colors; 488198251Sjkim regs.R_DX = start; 489198251Sjkim 490210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 491210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 492198251Sjkim 49348104Syokota bits = 8 - bits; 494210994Sjkim mtx_lock(&vesa_lock); 49548104Syokota for (i = 0; i < colors; ++i) { 496210016Sjkim vesa_palette[i * 4] = b[i] >> bits; 497210016Sjkim vesa_palette[i * 4 + 1] = g[i] >> bits; 498210016Sjkim vesa_palette[i * 4 + 2] = r[i] >> bits; 499210016Sjkim vesa_palette[i * 4 + 3] = 0; 50048104Syokota } 501197466Sjkim x86bios_intr(®s, 0x10); 502210994Sjkim mtx_unlock(&vesa_lock); 503197025Sdelphij 504198251Sjkim return (regs.R_AX != 0x004f); 50548104Syokota} 50648104Syokota 507198419Sjkimstatic ssize_t 508232063Sjkimvesa_bios_state_buf_size(int state) 50939287Ssos{ 510197383Sdelphij x86regs_t regs; 51139287Ssos 512198251Sjkim x86bios_init_regs(®s); 513198251Sjkim regs.R_AX = 0x4f04; 514198251Sjkim /* regs.R_DL = STATE_SIZE; */ 515232063Sjkim regs.R_CX = state; 516197025Sdelphij 517197466Sjkim x86bios_intr(®s, 0x10); 518197383Sdelphij 519198251Sjkim if (regs.R_AX != 0x004f) 520198251Sjkim return (0); 521197025Sdelphij 522198251Sjkim return (regs.R_BX * 64); 52339287Ssos} 52439287Ssos 52539287Ssosstatic int 526210016Sjkimvesa_bios_save_restore(int code, void *p) 52739287Ssos{ 528197383Sdelphij x86regs_t regs; 52939287Ssos 530198251Sjkim if (code != STATE_SAVE && code != STATE_LOAD) 531198251Sjkim return (1); 532197025Sdelphij 533198251Sjkim x86bios_init_regs(®s); 534198251Sjkim regs.R_AX = 0x4f04; 535198251Sjkim regs.R_DL = code; 536232063Sjkim regs.R_CX = vesa_state; 537197025Sdelphij 538210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_state_buf_offs); 539210016Sjkim regs.R_BX = X86BIOS_PHYSTOOFF(vesa_state_buf_offs); 54044846Sjlemon 541210994Sjkim mtx_lock(&vesa_lock); 542198251Sjkim switch (code) { 543198251Sjkim case STATE_SAVE: 544198251Sjkim x86bios_intr(®s, 0x10); 545233894Sjkim if (regs.R_AX == 0x004f) 546233894Sjkim bcopy(vesa_state_buf, p, vesa_state_buf_size); 547198251Sjkim break; 548198251Sjkim case STATE_LOAD: 549210016Sjkim bcopy(p, vesa_state_buf, vesa_state_buf_size); 550198251Sjkim x86bios_intr(®s, 0x10); 551198251Sjkim break; 552198251Sjkim } 553210994Sjkim mtx_unlock(&vesa_lock); 554197025Sdelphij 555198251Sjkim return (regs.R_AX != 0x004f); 55639287Ssos} 55739287Ssos 558205653Sjkim#ifdef MODE_TABLE_BROKEN 55943664Syokotastatic int 56043664Syokotavesa_bios_get_line_length(void) 56143664Syokota{ 562197383Sdelphij x86regs_t regs; 56343664Syokota 564198251Sjkim x86bios_init_regs(®s); 565198251Sjkim regs.R_AX = 0x4f06; 566198251Sjkim regs.R_BL = 1; 567197025Sdelphij 568197466Sjkim x86bios_intr(®s, 0x10); 569197383Sdelphij 570198251Sjkim if (regs.R_AX != 0x004f) 571198251Sjkim return (-1); 572197383Sdelphij 573198251Sjkim return (regs.R_BX); 57443664Syokota} 575205653Sjkim#endif 57643664Syokota 57748104Syokotastatic int 57850446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 57948104Syokota{ 580197383Sdelphij x86regs_t regs; 58148104Syokota 582198251Sjkim x86bios_init_regs(®s); 583198251Sjkim regs.R_AX = 0x4f06; 584198251Sjkim /* regs.R_BL = 0; */ 585198251Sjkim regs.R_CX = pixel; 586197025Sdelphij 587197466Sjkim x86bios_intr(®s, 0x10); 588197383Sdelphij 58948104Syokota#if VESA_DEBUG > 1 590197383Sdelphij printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX); 59148104Syokota#endif 592198251Sjkim if (regs.R_AX != 0x004f) 593198251Sjkim return (-1); 594197025Sdelphij 595198251Sjkim if (bytes != NULL) 596197383Sdelphij *bytes = regs.R_BX; 597198251Sjkim if (lines != NULL) 598197383Sdelphij *lines = regs.R_DX; 599197025Sdelphij 600198251Sjkim return (0); 60148104Syokota} 60248104Syokota 60348399Speter#if 0 60448104Syokotastatic int 60548104Syokotavesa_bios_get_start(int *x, int *y) 60648104Syokota{ 607197383Sdelphij x86regs_t regs; 60848104Syokota 609198251Sjkim x86bios_init_regs(®s); 610198251Sjkim regs.R_AX = 0x4f07; 611198251Sjkim regs.R_BL = 1; 612197025Sdelphij 613197466Sjkim x86bios_intr(®s, 0x10); 614197383Sdelphij 615198251Sjkim if (regs.R_AX != 0x004f) 616198251Sjkim return (-1); 617197025Sdelphij 618197383Sdelphij *x = regs.R_CX; 619197383Sdelphij *y = regs.R_DX; 620197025Sdelphij 621198251Sjkim return (0); 62248104Syokota} 62348399Speter#endif 62448104Syokota 62548104Syokotastatic int 62648104Syokotavesa_bios_set_start(int x, int y) 62748104Syokota{ 628197383Sdelphij x86regs_t regs; 62948104Syokota 630198251Sjkim x86bios_init_regs(®s); 631198251Sjkim regs.R_AX = 0x4f07; 632198251Sjkim regs.R_BL = 0x80; 633198251Sjkim regs.R_CX = x; 634198251Sjkim regs.R_DX = y; 635197025Sdelphij 636197466Sjkim x86bios_intr(®s, 0x10); 637197383Sdelphij 638198251Sjkim return (regs.R_AX != 0x004f); 63948104Syokota} 64048104Syokota 64139591Syokota/* map a generic video mode to a known mode */ 64239287Ssosstatic int 64339591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 64439287Ssos{ 64539591Syokota static struct { 64639591Syokota int from; 64739591Syokota int to; 64839591Syokota } mode_map[] = { 64939591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 65039591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 65139591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 65239591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 65339591Syokota }; 65439591Syokota int i; 65539591Syokota 65639591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 65739591Syokota if (mode_map[i].from == mode) 658198251Sjkim return (mode_map[i].to); 65939591Syokota } 660198251Sjkim return (mode); 66139591Syokota} 66239591Syokota 66339591Syokotastatic int 66439591Syokotavesa_translate_flags(u_int16_t vflags) 66539591Syokota{ 66639287Ssos static struct { 66739287Ssos u_int16_t mask; 66839287Ssos int set; 66939287Ssos int reset; 67039287Ssos } ftable[] = { 67139287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 67239287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 67342235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 674198858Sjkim { V_MODENONVGA, V_INFO_NONVGA, 0 }, 67539287Ssos }; 67639287Ssos int flags; 67739287Ssos int i; 67839287Ssos 67939287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 68039287Ssos flags |= (vflags & ftable[i].mask) ? 68139287Ssos ftable[i].set : ftable[i].reset; 68239287Ssos } 683198251Sjkim return (flags); 68439287Ssos} 68539287Ssos 68648104Syokotastatic int 68748104Syokotavesa_translate_mmodel(u_int8_t vmodel) 68848104Syokota{ 68948104Syokota static struct { 69048104Syokota u_int8_t vmodel; 69148104Syokota int mmodel; 69248104Syokota } mtable[] = { 69348104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 69448104Syokota { V_MMCGA, V_INFO_MM_CGA }, 69548104Syokota { V_MMHGC, V_INFO_MM_HGC }, 69648104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 69748104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 69848104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 69948104Syokota }; 70048104Syokota int i; 70148104Syokota 70248104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 70348104Syokota if (mtable[i].vmodel == vmodel) 704198251Sjkim return (mtable[i].mmodel); 70548104Syokota } 706198251Sjkim return (V_INFO_MM_OTHER); 70748104Syokota} 70848104Syokota 709205564Sjkimstatic int 710205564Sjkimvesa_get_bpscanline(struct vesa_mode *vmode) 711205564Sjkim{ 712205564Sjkim int bpsl; 713205564Sjkim 714205564Sjkim if ((vmode->v_modeattr & V_MODEGRAPHICS) != 0) { 715205564Sjkim /* Find the minimum length. */ 716205564Sjkim switch (vmode->v_bpp / vmode->v_planes) { 717205564Sjkim case 1: 718205564Sjkim bpsl = vmode->v_width / 8; 719205564Sjkim break; 720205564Sjkim case 2: 721205564Sjkim bpsl = vmode->v_width / 4; 722205564Sjkim break; 723205564Sjkim case 4: 724205564Sjkim bpsl = vmode->v_width / 2; 725205564Sjkim break; 726205564Sjkim default: 727205564Sjkim bpsl = vmode->v_width * ((vmode->v_bpp + 7) / 8); 728205564Sjkim bpsl /= vmode->v_planes; 729205564Sjkim break; 730205564Sjkim } 731205564Sjkim 732205564Sjkim /* Use VBE 3.0 information if it looks sane. */ 733205564Sjkim if ((vmode->v_modeattr & V_MODELFB) != 0 && 734205564Sjkim vesa_adp_info->v_version >= 0x0300 && 735205564Sjkim vmode->v_linbpscanline > bpsl) 736205564Sjkim return (vmode->v_linbpscanline); 737205564Sjkim 738205564Sjkim /* Return the minimum if the mode table looks absurd. */ 739205564Sjkim if (vmode->v_bpscanline < bpsl) 740205564Sjkim return (bpsl); 741205564Sjkim } 742205564Sjkim 743205564Sjkim return (vmode->v_bpscanline); 744205564Sjkim} 745205564Sjkim 746198251Sjkim#define VESA_MAXSTR 256 747198251Sjkim 748198251Sjkim#define VESA_STRCPY(dst, src) do { \ 749198251Sjkim char *str; \ 750198251Sjkim int i; \ 751198251Sjkim dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \ 752198251Sjkim str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \ 753198251Sjkim for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \ 754198251Sjkim dst[i] = str[i]; \ 755198251Sjkim dst[i] = '\0'; \ 756198251Sjkim} while (0) 757198251Sjkim 758197496Sjkimstatic int 75939287Ssosvesa_bios_init(void) 76039287Ssos{ 76139287Ssos struct vesa_mode vmode; 762206384Sjkim struct vesa_info *buf; 76348104Syokota video_info_t *p; 764197383Sdelphij x86regs_t regs; 765197496Sjkim size_t bsize; 766203535Sjkim size_t msize; 767198251Sjkim void *vmbuf; 768211827Sjkim uint8_t *vbios; 769198251Sjkim uint32_t offs; 770198251Sjkim uint16_t vers; 771117710Srobert int is_via_cle266; 77239287Ssos int modes; 77339287Ssos int i; 77439287Ssos 77539287Ssos if (vesa_init_done) 776198251Sjkim return (0); 77739287Ssos 778211827Sjkim vesa_bios_offs = VESA_BIOS_OFFSET; 77939287Ssos 780198251Sjkim /* 781198251Sjkim * If the VBE real mode interrupt vector is not found, try BIOS POST. 782198251Sjkim */ 783211827Sjkim vesa_bios_int10 = x86bios_get_intr(0x10); 784211827Sjkim if (vesa_bios_int10 == 0) { 785198251Sjkim if (vesa_bios_post() != 0) 786198251Sjkim return (1); 787211827Sjkim vesa_bios_int10 = x86bios_get_intr(0x10); 788211827Sjkim if (vesa_bios_int10 == 0) 789211827Sjkim return (1); 790198251Sjkim } 79144846Sjlemon 792211827Sjkim /* 793211827Sjkim * Shadow video ROM. 794211827Sjkim */ 795212070Sjkim offs = vesa_bios_int10; 796211827Sjkim if (vesa_shadow_rom) { 797211827Sjkim vbios = x86bios_get_orm(vesa_bios_offs); 798211827Sjkim if (vbios != NULL) { 799211827Sjkim vesa_bios_size = vbios[2] * 512; 800212580Sjkim if (((VESA_BIOS_OFFSET << 12) & 0xffff0000) == 801212580Sjkim (vesa_bios_int10 & 0xffff0000) && 802212580Sjkim vesa_bios_size > (vesa_bios_int10 & 0xffff)) { 803212070Sjkim vesa_bios = x86bios_alloc(&vesa_bios_offs, 804212070Sjkim vesa_bios_size, M_WAITOK); 805233054Sjkim bcopy(vbios, vesa_bios, vesa_bios_size); 806212580Sjkim offs = ((vesa_bios_offs << 12) & 0xffff0000) + 807212580Sjkim (vesa_bios_int10 & 0xffff); 808212070Sjkim x86bios_set_intr(0x10, offs); 809212580Sjkim } 810212070Sjkim } 811212070Sjkim if (vesa_bios == NULL) 812211827Sjkim printf("VESA: failed to shadow video ROM\n"); 813211827Sjkim } 814211827Sjkim if (bootverbose) 815211827Sjkim printf("VESA: INT 0x10 vector 0x%04x:0x%04x\n", 816211829Sjkim (offs >> 16) & 0xffff, offs & 0xffff); 817211827Sjkim 818198251Sjkim x86bios_init_regs(®s); 819198251Sjkim regs.R_AX = 0x4f00; 820197025Sdelphij 821209472Sjkim vmbuf = x86bios_alloc(&offs, sizeof(*buf), M_WAITOK); 822198251Sjkim 823198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 824198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 825198251Sjkim 826198251Sjkim bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 827197466Sjkim x86bios_intr(®s, 0x10); 828197025Sdelphij 829198251Sjkim if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0) 830198251Sjkim goto fail; 831197025Sdelphij 832206384Sjkim vesa_adp_info = buf = malloc(sizeof(*buf), M_DEVBUF, M_WAITOK); 833206384Sjkim bcopy(vmbuf, buf, sizeof(*buf)); 834197025Sdelphij 83542504Syokota if (bootverbose) { 83642504Syokota printf("VESA: information block\n"); 837206384Sjkim hexdump(buf, sizeof(*buf), NULL, HD_OMIT_CHARS); 83842504Syokota } 839198251Sjkim 840206384Sjkim vers = buf->v_version = le16toh(buf->v_version); 841206384Sjkim buf->v_oemstr = le32toh(buf->v_oemstr); 842206384Sjkim buf->v_flags = le32toh(buf->v_flags); 843206384Sjkim buf->v_modetable = le32toh(buf->v_modetable); 844206384Sjkim buf->v_memsize = le16toh(buf->v_memsize); 845206384Sjkim buf->v_revision = le16toh(buf->v_revision); 846206384Sjkim buf->v_venderstr = le32toh(buf->v_venderstr); 847206384Sjkim buf->v_prodstr = le32toh(buf->v_prodstr); 848206384Sjkim buf->v_revstr = le32toh(buf->v_revstr); 849198251Sjkim 850198251Sjkim if (vers < 0x0102) { 85148104Syokota printf("VESA: VBE version %d.%d is not supported; " 852203455Sjkim "version 1.2 or later is required.\n", 853203455Sjkim ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8), 854203455Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f)); 855209740Sjkim goto fail; 85648104Syokota } 85739287Ssos 858206384Sjkim VESA_STRCPY(vesa_oemstr, buf->v_oemstr); 859198251Sjkim if (vers >= 0x0200) { 860206384Sjkim VESA_STRCPY(vesa_venderstr, buf->v_venderstr); 861206384Sjkim VESA_STRCPY(vesa_prodstr, buf->v_prodstr); 862206384Sjkim VESA_STRCPY(vesa_revstr, buf->v_revstr); 86339858Syokota } 864198251Sjkim is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266, 865198251Sjkim sizeof(VESA_VIA_CLE266)) == 0; 86639858Syokota 867206384Sjkim if (buf->v_modetable == 0) 868198251Sjkim goto fail; 869197025Sdelphij 870206384Sjkim msize = (size_t)buf->v_memsize * 64 * 1024; 871203535Sjkim 872206384Sjkim vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf->v_modetable)); 873197025Sdelphij 874203455Sjkim for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) && 875203455Sjkim (vesa_vmodetab[i] != 0xffff); ++i) { 876198251Sjkim vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]); 877209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_WAITOK)) 87839287Ssos continue; 87939287Ssos 880198419Sjkim vmode.v_modeattr = le16toh(vmode.v_modeattr); 881198419Sjkim vmode.v_wgran = le16toh(vmode.v_wgran); 882198419Sjkim vmode.v_wsize = le16toh(vmode.v_wsize); 883198419Sjkim vmode.v_waseg = le16toh(vmode.v_waseg); 884198419Sjkim vmode.v_wbseg = le16toh(vmode.v_wbseg); 885198419Sjkim vmode.v_posfunc = le32toh(vmode.v_posfunc); 886198419Sjkim vmode.v_bpscanline = le16toh(vmode.v_bpscanline); 887198419Sjkim vmode.v_width = le16toh(vmode.v_width); 888198419Sjkim vmode.v_height = le16toh(vmode.v_height); 889198419Sjkim vmode.v_lfb = le32toh(vmode.v_lfb); 890198419Sjkim vmode.v_offscreen = le32toh(vmode.v_offscreen); 891198419Sjkim vmode.v_offscreensize = le16toh(vmode.v_offscreensize); 892198419Sjkim vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline); 893198419Sjkim vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock); 894198419Sjkim 89539287Ssos /* reject unsupported modes */ 89639287Ssos#if 0 897203455Sjkim if ((vmode.v_modeattr & 898203455Sjkim (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) != 899203455Sjkim (V_MODESUPP | V_MODEOPTINFO)) 90039287Ssos continue; 90139287Ssos#else 90267816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 90366710Sjhb#if VESA_DEBUG > 1 904203455Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 905203455Sjkim " attr = %x\n", 906203455Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 907203455Sjkim "graphics" : "text", 90866710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 90966710Sjhb vmode.v_modeattr); 91066710Sjhb#endif 91139287Ssos continue; 91266710Sjhb } 91339287Ssos#endif 91439287Ssos 915205564Sjkim bsize = vesa_get_bpscanline(&vmode) * vmode.v_height; 916203535Sjkim if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0) 917203535Sjkim bsize *= vmode.v_planes; 918203535Sjkim 919203535Sjkim /* Does it have enough memory to support this mode? */ 920203535Sjkim if (msize < bsize) { 921203535Sjkim#if VESA_DEBUG > 1 922203535Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 923203535Sjkim " attr = %x, not enough memory\n", 924203535Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 925203535Sjkim "graphics" : "text", 926203535Sjkim vmode.v_width, vmode.v_height, vmode.v_bpp, 927203535Sjkim vmode.v_modeattr); 928203535Sjkim#endif 929203535Sjkim continue; 930203535Sjkim } 931203535Sjkim 93248104Syokota /* expand the array if necessary */ 93348104Syokota if (modes >= vesa_vmode_max) { 93448104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 935203455Sjkim p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1), 936203455Sjkim M_DEVBUF, M_WAITOK); 93748104Syokota#if VESA_DEBUG > 1 93848104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 939203455Sjkim modes, vesa_vmode_max); 94048104Syokota#endif 94148104Syokota if (modes > 0) { 94248104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 94348104Syokota free(vesa_vmode, M_DEVBUF); 94448104Syokota } 94548104Syokota vesa_vmode = p; 94648104Syokota } 94748104Syokota 94866710Sjhb#if VESA_DEBUG > 1 94966710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 95066710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 95166710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 95266710Sjhb#endif 953117710Srobert if (is_via_cle266) { 954117710Srobert if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { 955117710Srobert vmode.v_width &= 0xff; 956117710Srobert vmode.v_waseg = 0xb8000 >> 4; 957117710Srobert } 958117710Srobert } 959117710Srobert 96039287Ssos /* copy some fields */ 96139287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 96239287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 96339287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 96439287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 96539287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 96639287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 96739287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 96839287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 969203455Sjkim vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4; 97039287Ssos /* XXX window B */ 971203455Sjkim vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024; 972203455Sjkim vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024; 973203535Sjkim if (vmode.v_modeattr & V_MODELFB) 97448104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 975203535Sjkim vesa_vmode[modes].vi_buffer_size = bsize; 976203455Sjkim vesa_vmode[modes].vi_mem_model = 977203455Sjkim vesa_translate_mmodel(vmode.v_memmodel); 978204236Sjkim switch (vesa_vmode[modes].vi_mem_model) { 979204236Sjkim case V_INFO_MM_DIRECT: 980204236Sjkim if ((vmode.v_modeattr & V_MODELFB) != 0 && 981204236Sjkim vers >= 0x0300) { 982204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 983204236Sjkim vmode.v_linredfieldpos; 984204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 985204236Sjkim vmode.v_lingreenfieldpos; 986204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 987204236Sjkim vmode.v_linbluefieldpos; 988204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 989204236Sjkim vmode.v_linresfieldpos; 990204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 991204236Sjkim vmode.v_linredmasksize; 992204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 993204236Sjkim vmode.v_lingreenmasksize; 994204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 995204236Sjkim vmode.v_linbluemasksize; 996204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 997204236Sjkim vmode.v_linresmasksize; 998204236Sjkim } else { 999204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 1000204236Sjkim vmode.v_redfieldpos; 1001204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 1002204236Sjkim vmode.v_greenfieldpos; 1003204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 1004204236Sjkim vmode.v_bluefieldpos; 1005204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 1006204236Sjkim vmode.v_resfieldpos; 1007204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 1008204236Sjkim vmode.v_redmasksize; 1009204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 1010204236Sjkim vmode.v_greenmasksize; 1011204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 1012204236Sjkim vmode.v_bluemasksize; 1013204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 1014204236Sjkim vmode.v_resmasksize; 1015204236Sjkim } 1016204236Sjkim /* FALLTHROUGH */ 1017204236Sjkim case V_INFO_MM_PACKED: 1018203455Sjkim vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8; 1019204236Sjkim break; 1020204236Sjkim } 1021203455Sjkim vesa_vmode[modes].vi_flags = 1022203455Sjkim vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 1023197496Sjkim 102439287Ssos ++modes; 102539287Ssos } 102639287Ssos vesa_vmode[modes].vi_mode = EOT; 1027197383Sdelphij 102839287Ssos if (bootverbose) 102939287Ssos printf("VESA: %d mode(s) found\n", modes); 103039287Ssos 1031233054Sjkim if (modes == 0) 1032198251Sjkim goto fail; 1033142830Siedowse 1034206384Sjkim x86bios_free(vmbuf, sizeof(*buf)); 1035210016Sjkim 1036232063Sjkim /* Probe supported save/restore states. */ 1037232063Sjkim for (i = 0; i < 4; i++) 1038232063Sjkim if (vesa_bios_state_buf_size(1 << i) > 0) 1039232063Sjkim vesa_state |= 1 << i; 1040232063Sjkim if (vesa_state != 0) 1041232063Sjkim vesa_state_buf_size = vesa_bios_state_buf_size(vesa_state); 1042210016Sjkim vesa_palette = x86bios_alloc(&vesa_palette_offs, 1043210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size, M_WAITOK); 1044210016Sjkim if (vesa_state_buf_size > 0) { 1045210016Sjkim vesa_state_buf = vesa_palette + VESA_PALETTE_SIZE; 1046210016Sjkim vesa_state_buf_offs = vesa_palette_offs + VESA_PALETTE_SIZE; 1047210016Sjkim } 1048210016Sjkim 1049142830Siedowse return (0); 1050198251Sjkim 1051198251Sjkimfail: 1052233054Sjkim x86bios_free(vmbuf, sizeof(buf)); 1053233054Sjkim vesa_bios_uninit(); 1054233054Sjkim return (1); 1055233054Sjkim} 1056233054Sjkim 1057233054Sjkimstatic void 1058233054Sjkimvesa_bios_uninit(void) 1059233054Sjkim{ 1060233054Sjkim 1061211827Sjkim if (vesa_bios != NULL) { 1062211827Sjkim x86bios_set_intr(0x10, vesa_bios_int10); 1063211827Sjkim vesa_bios_offs = VESA_BIOS_OFFSET; 1064211827Sjkim x86bios_free(vesa_bios, vesa_bios_size); 1065211827Sjkim vesa_bios = NULL; 1066211827Sjkim } 1067206384Sjkim if (vesa_adp_info != NULL) { 1068206384Sjkim free(vesa_adp_info, M_DEVBUF); 1069206384Sjkim vesa_adp_info = NULL; 1070206384Sjkim } 1071198251Sjkim if (vesa_oemstr != NULL) { 1072198251Sjkim free(vesa_oemstr, M_DEVBUF); 1073198251Sjkim vesa_oemstr = NULL; 1074198251Sjkim } 1075198251Sjkim if (vesa_venderstr != NULL) { 1076198251Sjkim free(vesa_venderstr, M_DEVBUF); 1077198251Sjkim vesa_venderstr = NULL; 1078198251Sjkim } 1079198251Sjkim if (vesa_prodstr != NULL) { 1080198251Sjkim free(vesa_prodstr, M_DEVBUF); 1081198251Sjkim vesa_prodstr = NULL; 1082198251Sjkim } 1083198251Sjkim if (vesa_revstr != NULL) { 1084198251Sjkim free(vesa_revstr, M_DEVBUF); 1085198251Sjkim vesa_revstr = NULL; 1086198251Sjkim } 1087233054Sjkim if (vesa_vmode != NULL) { 1088233054Sjkim free(vesa_vmode, M_DEVBUF); 1089233054Sjkim vesa_vmode = NULL; 1090233054Sjkim } 1091233054Sjkim if (vesa_palette != NULL) { 1092233054Sjkim x86bios_free(vesa_palette, 1093233054Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size); 1094233054Sjkim vesa_palette = NULL; 1095233054Sjkim } 109639287Ssos} 109739287Ssos 109839287Ssosstatic void 109939591Syokotavesa_clear_modes(video_info_t *info, int color) 110039287Ssos{ 110139287Ssos while (info->vi_mode != EOT) { 110239287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 110339287Ssos info->vi_mode = NA; 110439287Ssos ++info; 110539287Ssos } 110639287Ssos} 110739287Ssos 110842504Syokota/* entry points */ 110939287Ssos 111039287Ssosstatic int 111142504Syokotavesa_configure(int flags) 111239287Ssos{ 111342504Syokota video_adapter_t *adp; 111439287Ssos int adapters; 111542504Syokota int error; 111639287Ssos int i; 111739287Ssos 111842504Syokota if (vesa_init_done) 1119198251Sjkim return (0); 112042504Syokota if (flags & VIO_PROBE_ONLY) 1121198251Sjkim return (0); 112242504Syokota 112342504Syokota /* 112442504Syokota * If the VESA module has already been loaded, abort loading 112542504Syokota * the module this time. 112642504Syokota */ 112742504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 112842504Syokota if (adp->va_flags & V_ADP_VESA) 1129198251Sjkim return (ENXIO); 113042504Syokota if (adp->va_type == KD_VGA) 113142504Syokota break; 113239287Ssos } 1133198251Sjkim 113442504Syokota /* 113542504Syokota * The VGA adapter is not found. This is because either 113642504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 113742504Syokota * is not present. If 1) is the case, we shall defer 113842504Syokota * initialization for now and try again later. 113942504Syokota */ 114042504Syokota if (adp == NULL) { 114142504Syokota vga_sub_configure = vesa_configure; 1142198251Sjkim return (ENODEV); 114342504Syokota } 114442504Syokota 114542504Syokota /* count number of registered adapters */ 114642504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 114742504Syokota ; 114842504Syokota adapters = i; 114942504Syokota 115042504Syokota /* call VESA BIOS */ 115142504Syokota vesa_adp = adp; 115242504Syokota if (vesa_bios_init()) { 115342504Syokota vesa_adp = NULL; 1154198251Sjkim return (ENXIO); 115542504Syokota } 115642504Syokota vesa_adp->va_flags |= V_ADP_VESA; 115742504Syokota 115842504Syokota /* remove conflicting modes if we have more than one adapter */ 115942504Syokota if (adapters > 1) { 116042504Syokota vesa_clear_modes(vesa_vmode, 116142504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 116242504Syokota V_INFO_COLOR : 0); 116342504Syokota } 116442504Syokota 116542504Syokota if ((error = vesa_load_ioctl()) == 0) { 116642504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 116742504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 116842504Syokota vesa_init_done = TRUE; 116942504Syokota } else { 117042504Syokota vesa_adp = NULL; 1171198251Sjkim return (error); 117242504Syokota } 117342504Syokota 1174198251Sjkim return (0); 117539287Ssos} 117639287Ssos 117748399Speter#if 0 117842504Syokotastatic int 117942504Syokotavesa_nop(void) 118039287Ssos{ 1181198251Sjkim 1182198251Sjkim return (0); 118339287Ssos} 118448399Speter#endif 118539287Ssos 118639287Ssosstatic int 118748104Syokotavesa_error(void) 118848104Syokota{ 1189198251Sjkim 1190198251Sjkim return (1); 119148104Syokota} 119248104Syokota 119348104Syokotastatic int 119442504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 119539287Ssos{ 1196198251Sjkim 1197198251Sjkim return ((*prevvidsw->probe)(unit, adpp, arg, flags)); 119842504Syokota} 119942504Syokota 120042504Syokotastatic int 120142504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 120242504Syokota{ 1203198251Sjkim 1204198251Sjkim return ((*prevvidsw->init)(unit, adp, flags)); 120542504Syokota} 120642504Syokota 120742504Syokotastatic int 120842504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 120942504Syokota{ 121039287Ssos int i; 121139287Ssos 121242504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 1213198251Sjkim return (0); 121439287Ssos 121542504Syokota if (adp != vesa_adp) 1216198251Sjkim return (1); 121739591Syokota 121839591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 121939591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 122039287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 122139287Ssos if (vesa_vmode[i].vi_mode == NA) 122239287Ssos continue; 122339287Ssos if (vesa_vmode[i].vi_mode == mode) { 122439287Ssos *info = vesa_vmode[i]; 1225198251Sjkim return (0); 122639287Ssos } 122739287Ssos } 1228198251Sjkim return (1); 122939287Ssos} 123039287Ssos 123139287Ssosstatic int 123242504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 123339287Ssos{ 123439287Ssos int i; 123539287Ssos 123654258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 1237198251Sjkim return (0); 123842504Syokota if (adp != vesa_adp) 1239198251Sjkim return (ENODEV); 124039287Ssos 124139287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 124239287Ssos if ((info->vi_width != 0) 124339287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 124439287Ssos continue; 124539287Ssos if ((info->vi_height != 0) 124639287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 124739287Ssos continue; 124839287Ssos if ((info->vi_cwidth != 0) 124939287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 125039287Ssos continue; 125139287Ssos if ((info->vi_cheight != 0) 125239287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 125339287Ssos continue; 125439287Ssos if ((info->vi_depth != 0) 125539287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 125639287Ssos continue; 125739287Ssos if ((info->vi_planes != 0) 125839287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 125939287Ssos continue; 126039287Ssos /* pixel format, memory model */ 126139287Ssos if ((info->vi_flags != 0) 126239287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 126339287Ssos continue; 126454258Syokota *info = vesa_vmode[i]; 1265198251Sjkim return (0); 126639287Ssos } 1267198251Sjkim return (ENODEV); 126839287Ssos} 126939287Ssos 127039287Ssosstatic int 127142504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 127239287Ssos{ 127339287Ssos video_info_t info; 127439287Ssos 127542504Syokota if (adp != vesa_adp) 1276198251Sjkim return ((*prevvidsw->set_mode)(adp, mode)); 127739287Ssos 127848104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 127948104Syokota adp->va_flags & V_ADP_COLOR, mode); 128042504Syokota#if VESA_DEBUG > 0 128139287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 128248104Syokota adp->va_mode, adp->va_mode, mode, mode); 128339287Ssos#endif 128439287Ssos /* 128539287Ssos * If the current mode is a VESA mode and the new mode is not, 128648104Syokota * restore the state of the adapter first by setting one of the 128748104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 128848104Syokota * are set to the state compatible with the standard VGA modes. 128948104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 129048104Syokota * the new mode correctly. 129139287Ssos */ 129248104Syokota if (VESA_MODE(adp->va_mode)) { 1293198858Sjkim if (!VESA_MODE(mode) && 1294198858Sjkim (*prevvidsw->get_info)(adp, mode, &info) == 0) { 1295204265Sjkim if ((adp->va_flags & V_ADP_DAC8) != 0) { 1296204265Sjkim vesa_bios_set_dac(6); 1297204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1298204265Sjkim } 129948104Syokota int10_set_mode(adp->va_initial_bios_mode); 130048104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1301203530Sjkim pmap_unmapdev(adp->va_buffer, 1302205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 130348104Syokota /* 130448104Syokota * Once (*prevvidsw->get_info)() succeeded, 130548104Syokota * (*prevvidsw->set_mode)() below won't fail... 130648104Syokota */ 130739287Ssos } 130839287Ssos } 130939287Ssos 131039287Ssos /* we may not need to handle this mode after all... */ 1311198858Sjkim if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0) 1312198251Sjkim return (0); 131339287Ssos 131439287Ssos /* is the new mode supported? */ 131542504Syokota if (vesa_get_info(adp, mode, &info)) 1316198251Sjkim return (1); 131739287Ssos /* assert(VESA_MODE(mode)); */ 131839287Ssos 131942504Syokota#if VESA_DEBUG > 0 132039287Ssos printf("VESA: about to set a VESA mode...\n"); 132139287Ssos#endif 132248104Syokota /* don't use the linear frame buffer for text modes. XXX */ 132348104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 132448104Syokota info.vi_flags &= ~V_INFO_LINEAR; 132539287Ssos 1326231842Sjkim if ((info.vi_flags & V_INFO_LINEAR) != 0) 1327231842Sjkim mode |= 0x4000; 1328233042Sjkim if (vesa_bios_set_mode(mode | 0x8000)) 1329198251Sjkim return (1); 133039287Ssos 1331204265Sjkim /* Palette format is reset by the above VBE function call. */ 1332204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1333198858Sjkim 1334204265Sjkim if ((vesa_adp_info->v_flags & V_DAC8) != 0 && 1335204265Sjkim (info.vi_flags & V_INFO_GRAPHICS) != 0 && 1336204265Sjkim vesa_bios_set_dac(8) > 6) 1337204265Sjkim adp->va_flags |= V_ADP_DAC8; 1338204265Sjkim 133948104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1340205557Sjkim pmap_unmapdev(adp->va_buffer, 1341205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 134248104Syokota 134342504Syokota#if VESA_DEBUG > 0 134439287Ssos printf("VESA: mode set!\n"); 134539287Ssos#endif 1346231842Sjkim vesa_adp->va_mode = mode & 0x1ff; /* Mode number is 9-bit. */ 134739287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 134839287Ssos vesa_adp->va_flags |= 134939287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 135039287Ssos vesa_adp->va_crtc_addr = 135142504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 1352205564Sjkim 1353205564Sjkim vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height; 1354205564Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1355205564Sjkim vesa_adp->va_line_width /= info.vi_planes; 1356205564Sjkim 1357205653Sjkim#ifdef MODE_TABLE_BROKEN 1358205564Sjkim /* If VBE function returns bigger bytes per scan line, use it. */ 1359205653Sjkim { 1360205653Sjkim int bpsl = vesa_bios_get_line_length(); 1361205653Sjkim if (bpsl > vesa_adp->va_line_width) { 1362205653Sjkim vesa_adp->va_line_width = bpsl; 1363205653Sjkim info.vi_buffer_size = bpsl * info.vi_height; 1364205653Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1365205653Sjkim info.vi_buffer_size *= info.vi_planes; 1366205653Sjkim } 1367205564Sjkim } 1368205653Sjkim#endif 1369205564Sjkim 137048104Syokota if (info.vi_flags & V_INFO_LINEAR) { 137148104Syokota#if VESA_DEBUG > 1 137248104Syokota printf("VESA: setting up LFB\n"); 137348104Syokota#endif 137448104Syokota vesa_adp->va_buffer = 1375203530Sjkim (vm_offset_t)pmap_mapdev_attr(info.vi_buffer, 1376205557Sjkim vesa_adp_info->v_memsize * 64 * 1024, PAT_WRITE_COMBINING); 137748104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 1378203535Sjkim vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes; 1379203535Sjkim vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes; 138048104Syokota } else { 138139287Ssos vesa_adp->va_buffer = 0; 1382203451Sjkim vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window); 1383196704Sdelphij vesa_adp->va_window_size = info.vi_window_size; 1384196704Sdelphij vesa_adp->va_window_gran = info.vi_window_gran; 138539287Ssos } 1386203535Sjkim vesa_adp->va_buffer_size = info.vi_buffer_size; 138748104Syokota vesa_adp->va_window_orig = 0; 138848104Syokota vesa_adp->va_disp_start.x = 0; 138948104Syokota vesa_adp->va_disp_start.y = 0; 139043664Syokota#if VESA_DEBUG > 0 1391197496Sjkim printf("vesa_set_mode(): vi_width:%d, line_width:%d\n", 1392197496Sjkim info.vi_width, vesa_adp->va_line_width); 139343664Syokota#endif 139443674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 139539287Ssos 139642504Syokota /* move hardware cursor out of the way */ 139743674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 139842504Syokota 1399198251Sjkim return (0); 140039287Ssos} 140139287Ssos 140239287Ssosstatic int 1403150686Smariusvesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1404150686Smarius u_char *data, int ch, int count) 140539287Ssos{ 1406198251Sjkim 1407198251Sjkim return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data, 1408198251Sjkim ch, count)); 140939287Ssos} 141039287Ssos 141139287Ssosstatic int 1412150686Smariusvesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1413150686Smarius u_char *data, int ch, int count) 141439287Ssos{ 1415198251Sjkim 1416198251Sjkim return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data, 1417198251Sjkim ch, count)); 141839287Ssos} 141939287Ssos 142039287Ssosstatic int 142142504Syokotavesa_show_font(video_adapter_t *adp, int page) 142239287Ssos{ 1423198251Sjkim 1424198251Sjkim return ((*prevvidsw->show_font)(adp, page)); 142539287Ssos} 142639287Ssos 142739287Ssosstatic int 142842504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 142939287Ssos{ 143042729Syokota int bits; 143139287Ssos 1432205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1433204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1434205558Sjkim if (vesa_bios_save_palette(0, 256, palette, bits) == 0) 1435205558Sjkim return (0); 1436203078Sjkim } 143742729Syokota 1438198251Sjkim return ((*prevvidsw->save_palette)(adp, palette)); 143939287Ssos} 144039287Ssos 144139287Ssosstatic int 144242504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 144339287Ssos{ 144442729Syokota int bits; 144539287Ssos 1446205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1447204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1448205558Sjkim if (vesa_bios_load_palette(0, 256, palette, bits) == 0) 1449205558Sjkim return (0); 1450203078Sjkim } 145142729Syokota 1452198251Sjkim return ((*prevvidsw->load_palette)(adp, palette)); 145339287Ssos} 145439287Ssos 145539287Ssosstatic int 145642504Syokotavesa_set_border(video_adapter_t *adp, int color) 145739287Ssos{ 1458198251Sjkim 1459198251Sjkim return ((*prevvidsw->set_border)(adp, color)); 146039287Ssos} 146139287Ssos 146239287Ssosstatic int 146342504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 146439287Ssos{ 1465233056Sjkim vm_offset_t buf; 1466233056Sjkim size_t bsize; 1467198251Sjkim 1468233896Sjkim if (adp != vesa_adp || (size == 0 && vesa_state_buf_size == 0)) 1469198251Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 147039287Ssos 1471233896Sjkim bsize = offsetof(adp_state_t, regs) + vesa_state_buf_size; 147239287Ssos if (size == 0) 1473233896Sjkim return (bsize); 1474233896Sjkim if (vesa_state_buf_size > 0 && size < bsize) 1475232069Sjkim return (EINVAL); 147639287Ssos 1477233896Sjkim if (VESA_MODE(adp->va_mode) && adp->va_buffer != 0) { 1478233896Sjkim buf = adp->va_buffer; 1479233896Sjkim bsize = adp->va_buffer_size; 1480233896Sjkim } else { 1481233896Sjkim buf = adp->va_window; 1482233896Sjkim bsize = adp->va_window_size; 1483233896Sjkim } 1484233056Sjkim if (buf != 0) { 1485233056Sjkim vesa_vmem_buf = malloc(bsize, M_DEVBUF, M_NOWAIT); 1486233056Sjkim if (vesa_vmem_buf != NULL) 1487233056Sjkim bcopy((void *)buf, vesa_vmem_buf, bsize); 1488233187Sjkim } else 1489233187Sjkim vesa_vmem_buf = NULL; 1490233896Sjkim if (vesa_state_buf_size == 0) 1491233896Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 149239287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 1493210016Sjkim return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs)); 149439287Ssos} 149539287Ssos 149639287Ssosstatic int 149742504Syokotavesa_load_state(video_adapter_t *adp, void *p) 149839287Ssos{ 1499233056Sjkim vm_offset_t buf; 1500233056Sjkim size_t bsize; 1501233896Sjkim int error, mode; 1502198251Sjkim 1503232069Sjkim if (adp != vesa_adp) 1504198251Sjkim return ((*prevvidsw->load_state)(adp, p)); 150539287Ssos 1506198964Sjkim /* Try BIOS POST to restore a sane state. */ 1507198964Sjkim (void)vesa_bios_post(); 1508231843Sjkim mode = adp->va_mode; 1509233896Sjkim error = vesa_set_mode(adp, adp->va_initial_mode); 1510232061Sjkim if (mode != adp->va_initial_mode) 1511233896Sjkim error = vesa_set_mode(adp, mode); 1512198419Sjkim 1513233187Sjkim if (vesa_vmem_buf != NULL) { 1514233896Sjkim if (error == 0) { 1515233896Sjkim if (VESA_MODE(mode) && adp->va_buffer != 0) { 1516233896Sjkim buf = adp->va_buffer; 1517233896Sjkim bsize = adp->va_buffer_size; 1518233896Sjkim } else { 1519233896Sjkim buf = adp->va_window; 1520233896Sjkim bsize = adp->va_window_size; 1521233896Sjkim } 1522233896Sjkim if (buf != 0) 1523233896Sjkim bcopy(vesa_vmem_buf, (void *)buf, bsize); 1524233896Sjkim } 1525233056Sjkim free(vesa_vmem_buf, M_DEVBUF); 1526233056Sjkim } 1527233896Sjkim if (((adp_state_t *)p)->sig != V_STATE_SIG) 1528233896Sjkim return ((*prevvidsw->load_state)(adp, p)); 1529210016Sjkim return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs)); 153039287Ssos} 153139287Ssos 153248399Speter#if 0 153339287Ssosstatic int 153448104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 153548104Syokota{ 1536197383Sdelphij x86regs_t regs; 153748104Syokota 1538198251Sjkim x86bios_init_regs(®s); 1539198251Sjkim regs.R_AX = 0x4f05; 1540198251Sjkim regs.R_BL = 0x10; 1541197025Sdelphij 1542197466Sjkim x86bios_intr(®s, 0x10); 1543197383Sdelphij 1544198251Sjkim if (regs.R_AX != 0x004f) 1545198251Sjkim return (1); 1546197387Sdelphij *offset = regs.DX * adp->va_window_gran; 1547197025Sdelphij 1548198251Sjkim return (0); 154948104Syokota} 155048399Speter#endif 155148104Syokota 155248104Syokotastatic int 155342504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 155439287Ssos{ 1555197383Sdelphij x86regs_t regs; 1556197383Sdelphij 155739287Ssos /* 155839287Ssos * This function should return as quickly as possible to 155939287Ssos * maintain good performance of the system. For this reason, 156039287Ssos * error checking is kept minimal and let the VESA BIOS to 156139287Ssos * detect error. 156239287Ssos */ 156342504Syokota if (adp != vesa_adp) 1564198251Sjkim return ((*prevvidsw->set_win_org)(adp, offset)); 156539287Ssos 156648104Syokota /* if this is a linear frame buffer, do nothing */ 156748104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1568198251Sjkim return (0); 156948104Syokota /* XXX */ 157048104Syokota if (adp->va_window_gran == 0) 1571198251Sjkim return (1); 157248104Syokota 1573198251Sjkim x86bios_init_regs(®s); 1574198251Sjkim regs.R_AX = 0x4f05; 1575198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1576198251Sjkim 1577197466Sjkim x86bios_intr(®s, 0x10); 1578197025Sdelphij 1579198251Sjkim if (regs.R_AX != 0x004f) 1580198251Sjkim return (1); 1581197025Sdelphij 1582198251Sjkim x86bios_init_regs(®s); 1583198251Sjkim regs.R_AX = 0x4f05; 1584198251Sjkim regs.R_BL = 1; 1585198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1586197466Sjkim x86bios_intr(®s, 0x10); 1587197025Sdelphij 158848104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 1589198251Sjkim return (0); /* XXX */ 159039287Ssos} 159139287Ssos 159239287Ssosstatic int 159342504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 159439287Ssos{ 1595198251Sjkim 1596198251Sjkim return ((*prevvidsw->read_hw_cursor)(adp, col, row)); 159739287Ssos} 159839287Ssos 159939287Ssosstatic int 160042504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 160139287Ssos{ 1602198251Sjkim 1603198251Sjkim return ((*prevvidsw->set_hw_cursor)(adp, col, row)); 160439287Ssos} 160539287Ssos 160639287Ssosstatic int 160742504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 160842504Syokota int celsize, int blink) 160939287Ssos{ 1610198251Sjkim 1611198251Sjkim return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 1612198251Sjkim blink)); 161342504Syokota} 161442504Syokota 161542504Syokotastatic int 161648104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 161742504Syokota{ 1618198251Sjkim 161948104Syokota /* XXX: use VESA DPMS */ 1620198251Sjkim return ((*prevvidsw->blank_display)(adp, mode)); 162142504Syokota} 162242504Syokota 162342504Syokotastatic int 1624201223Srnolandvesa_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 1625201223Srnoland int prot, vm_memattr_t *memattr) 162642504Syokota{ 1627198251Sjkim 162848104Syokota#if VESA_DEBUG > 0 1629201223Srnoland printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%jx\n", 163048104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 163142504Syokota#endif 163239287Ssos 1633198251Sjkim if ((adp == vesa_adp) && 1634198251Sjkim (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) { 163548104Syokota /* va_window_size == va_buffer_size/vi_planes */ 163648104Syokota /* XXX: is this correct? */ 163748104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 1638198251Sjkim return (-1); 1639111462Smux *paddr = adp->va_info.vi_buffer + offset; 1640198251Sjkim return (0); 164148104Syokota } 1642201223Srnoland return ((*prevvidsw->mmap)(adp, offset, paddr, prot, memattr)); 164348104Syokota} 164448104Syokota 164548104Syokotastatic int 164648104Syokotavesa_clear(video_adapter_t *adp) 164748104Syokota{ 1648198251Sjkim 1649198251Sjkim return ((*prevvidsw->clear)(adp)); 165048104Syokota} 165148104Syokota 165248104Syokotastatic int 165348104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 165448104Syokota{ 1655198251Sjkim 1656198251Sjkim return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy)); 165748104Syokota} 165848104Syokota 165948104Syokotastatic int 166048104Syokotavesa_bitblt(video_adapter_t *adp,...) 166148104Syokota{ 1662198251Sjkim 166348104Syokota /* FIXME */ 1664198251Sjkim return (1); 166548104Syokota} 166648104Syokota 166748104Syokotastatic int 166848104Syokotaget_palette(video_adapter_t *adp, int base, int count, 166948104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 167048104Syokota{ 167148104Syokota u_char *r; 167248104Syokota u_char *g; 167348104Syokota u_char *b; 167448104Syokota int bits; 167548104Syokota int error; 167648104Syokota 1677203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1678198251Sjkim return (1); 1679101557Srwatson if ((base + count) > 256) 1680198251Sjkim return (1); 1681203078Sjkim if (!VESA_MODE(adp->va_mode)) 1682198251Sjkim return (1); 168348104Syokota 1684204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1685198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 168648104Syokota g = r + count; 168748104Syokota b = g + count; 168848104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 168948104Syokota if (error == 0) { 169048104Syokota copyout(r, red, count); 169148104Syokota copyout(g, green, count); 169248104Syokota copyout(b, blue, count); 169348104Syokota if (trans != NULL) { 169448104Syokota bzero(r, count); 169548104Syokota copyout(r, trans, count); 169648104Syokota } 169748104Syokota } 169848104Syokota free(r, M_DEVBUF); 169948104Syokota 1700198251Sjkim return (error); 170148104Syokota} 170248104Syokota 170348104Syokotastatic int 170448104Syokotaset_palette(video_adapter_t *adp, int base, int count, 170548104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 170648104Syokota{ 170748104Syokota u_char *r; 170848104Syokota u_char *g; 170948104Syokota u_char *b; 171048104Syokota int bits; 171148104Syokota int error; 171248104Syokota 1713203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1714198251Sjkim return (1); 1715203078Sjkim if ((base + count) > 256) 1716198251Sjkim return (1); 1717203078Sjkim if (!VESA_MODE(adp->va_mode)) 1718203078Sjkim return (1); 171948104Syokota 1720204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1721198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 172248104Syokota g = r + count; 172348104Syokota b = g + count; 172448104Syokota copyin(red, r, count); 172548104Syokota copyin(green, g, count); 172648104Syokota copyin(blue, b, count); 172748104Syokota 172848104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 172948104Syokota free(r, M_DEVBUF); 173048104Syokota 1731198858Sjkim return (error); 173248104Syokota} 173348104Syokota 173448104Syokotastatic int 173548104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 173648104Syokota{ 173750446Syokota int bytes; 173850446Syokota 173942504Syokota if (adp != vesa_adp) 1740198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 174148104Syokota 174248104Syokota switch (cmd) { 174348104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 174450792Syokota if (!VESA_MODE(adp->va_mode)) 174550792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 174648104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 174748104Syokota 174848104Syokota case FBIO_SETDISPSTART: /* set display start address */ 174950792Syokota if (!VESA_MODE(adp->va_mode)) 1750198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 175148104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 175248104Syokota ((video_display_start_t *)arg)->y)) 1753198251Sjkim return (ENODEV); 175448104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 175548104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 1756198251Sjkim return (0); 175748104Syokota 175848104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 175950792Syokota if (!VESA_MODE(adp->va_mode)) 1760198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 176150446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 1762198251Sjkim return (ENODEV); 176350446Syokota adp->va_line_width = bytes; 176450446Syokota#if VESA_DEBUG > 1 176550446Syokota printf("new line width:%d\n", adp->va_line_width); 176650446Syokota#endif 1767198251Sjkim return (0); 176848104Syokota 176948104Syokota case FBIO_GETPALETTE: /* get color palette */ 177048104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 177148104Syokota ((video_color_palette_t *)arg)->count, 177248104Syokota ((video_color_palette_t *)arg)->red, 177348104Syokota ((video_color_palette_t *)arg)->green, 177448104Syokota ((video_color_palette_t *)arg)->blue, 177548104Syokota ((video_color_palette_t *)arg)->transparent)) 1776198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1777198251Sjkim return (0); 177848104Syokota 177948104Syokota 178048104Syokota case FBIO_SETPALETTE: /* set color palette */ 178148104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 178248104Syokota ((video_color_palette_t *)arg)->count, 178348104Syokota ((video_color_palette_t *)arg)->red, 178448104Syokota ((video_color_palette_t *)arg)->green, 178548104Syokota ((video_color_palette_t *)arg)->blue, 178648104Syokota ((video_color_palette_t *)arg)->transparent)) 1787198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1788198251Sjkim return (0); 178948104Syokota 179048104Syokota case FBIOGETCMAP: /* get color palette */ 179148104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 179248104Syokota ((struct fbcmap *)arg)->count, 179348104Syokota ((struct fbcmap *)arg)->red, 179448104Syokota ((struct fbcmap *)arg)->green, 179548104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1796198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1797198251Sjkim return (0); 179848104Syokota 179948104Syokota case FBIOPUTCMAP: /* set color palette */ 180048104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 180148104Syokota ((struct fbcmap *)arg)->count, 180248104Syokota ((struct fbcmap *)arg)->red, 180348104Syokota ((struct fbcmap *)arg)->green, 180448104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1805198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1806198251Sjkim return (0); 180748104Syokota 180848104Syokota default: 1809198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 181048104Syokota } 181148104Syokota} 181248104Syokota 181348104Syokotastatic int 181448104Syokotavesa_diag(video_adapter_t *adp, int level) 181548104Syokota{ 181648104Syokota int error; 181748104Syokota 181848104Syokota /* call the previous handler first */ 181948104Syokota error = (*prevvidsw->diag)(adp, level); 182048104Syokota if (error) 1821198251Sjkim return (error); 182248104Syokota 182348104Syokota if (adp != vesa_adp) 1824198251Sjkim return (1); 182542504Syokota 182648104Syokota if (level <= 0) 1827198251Sjkim return (0); 182848104Syokota 1829198251Sjkim return (0); 183048104Syokota} 183148104Syokota 183248104Syokotastatic int 183348104Syokotavesa_bios_info(int level) 183448104Syokota{ 183548104Syokota#if VESA_DEBUG > 1 183648104Syokota struct vesa_mode vmode; 183748104Syokota int i; 183839591Syokota#endif 1839198251Sjkim uint16_t vers; 184039591Syokota 1841198251Sjkim vers = vesa_adp_info->v_version; 1842198251Sjkim 1843131398Sjhb if (bootverbose) { 1844131398Sjhb /* general adapter information */ 1845131398Sjhb printf( 1846131398Sjhb "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 1847198251Sjkim (vers >> 12) * 10 + ((vers & 0x0f00) >> 8), 1848198251Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f), 1849131398Sjhb vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 1850131398Sjhb vesa_vmodetab, vesa_adp_info->v_modetable); 185139287Ssos 1852131398Sjhb /* OEM string */ 1853131398Sjhb if (vesa_oemstr != NULL) 1854131398Sjhb printf("VESA: %s\n", vesa_oemstr); 1855131398Sjhb } 1856131398Sjhb 185739287Ssos if (level <= 0) 1858198251Sjkim return (0); 185939287Ssos 1860198251Sjkim if (vers >= 0x0200 && bootverbose) { 186148104Syokota /* vender name, product name, product revision */ 186248104Syokota printf("VESA: %s %s %s\n", 186348104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 186448104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 186548104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 186639287Ssos } 186739287Ssos 186842504Syokota#if VESA_DEBUG > 1 186939287Ssos /* mode information */ 187039858Syokota for (i = 0; 187139858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 187239858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 1873209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_NOWAIT)) 187439287Ssos continue; 187539287Ssos 187639287Ssos /* print something for diagnostic purpose */ 187739287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 187839287Ssos vesa_vmodetab[i], vmode.v_modeattr); 187939287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 188039287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 188139287Ssos printf(", G %dx%dx%d %d, ", 188239287Ssos vmode.v_width, vmode.v_height, 188339287Ssos vmode.v_bpp, vmode.v_planes); 188439287Ssos } else { 188539287Ssos printf(", T %dx%d, ", 188639287Ssos vmode.v_width, vmode.v_height); 188739287Ssos } 188848104Syokota printf("font:%dx%d, ", 188939287Ssos vmode.v_cwidth, vmode.v_cheight); 189048104Syokota printf("pages:%d, mem:%d", 189148104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 189239287Ssos } 189339287Ssos if (vmode.v_modeattr & V_MODELFB) { 189448104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 189548104Syokota vmode.v_lfb, vmode.v_offscreen, 189648104Syokota vmode.v_offscreensize*1024); 189739287Ssos } 189839287Ssos printf("\n"); 189939287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 190039287Ssos vmode.v_waseg, vmode.v_waattr, 190139287Ssos vmode.v_wbseg, vmode.v_wbattr); 190239287Ssos printf("size:%dk, gran:%dk\n", 190339287Ssos vmode.v_wsize, vmode.v_wgran); 190439287Ssos } 190548104Syokota#endif /* VESA_DEBUG > 1 */ 190639287Ssos 1907198251Sjkim return (0); 190839287Ssos} 190939287Ssos 191039287Ssos/* module loading */ 191139287Ssos 191242504Syokotastatic int 191339287Ssosvesa_load(void) 191439287Ssos{ 191539287Ssos int error; 191639287Ssos 191739287Ssos if (vesa_init_done) 1918198251Sjkim return (0); 191939287Ssos 1920210994Sjkim mtx_init(&vesa_lock, "VESA lock", NULL, MTX_DEF); 1921210994Sjkim 192242504Syokota /* locate a VGA adapter */ 192339287Ssos vesa_adp = NULL; 192442504Syokota error = vesa_configure(0); 192539287Ssos 192639287Ssos if (error == 0) 192748104Syokota vesa_bios_info(bootverbose); 192839287Ssos 1929198251Sjkim return (error); 193039287Ssos} 193139287Ssos 193239287Ssosstatic int 193342179Syokotavesa_unload(void) 193439287Ssos{ 193545117Syokota u_char palette[256*3]; 193639287Ssos int error; 193739287Ssos 193839287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 193939287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 1940198251Sjkim return (EBUSY); 194139287Ssos /* 194239287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 194339287Ssos * we shouldn't be unloading! XXX 194439287Ssos */ 194539287Ssos 194639287Ssos if ((error = vesa_unload_ioctl()) == 0) { 194744162Syokota if (vesa_adp != NULL) { 1948204265Sjkim if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) { 1949204265Sjkim vesa_bios_save_palette(0, 256, palette, 8); 1950204265Sjkim vesa_bios_set_dac(6); 1951204265Sjkim vesa_adp->va_flags &= ~V_ADP_DAC8; 1952204265Sjkim vesa_bios_load_palette(0, 256, palette, 6); 195345117Syokota } 195439287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 195544162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 195644162Syokota } 195739287Ssos } 195839287Ssos 1959233054Sjkim vesa_bios_uninit(); 1960210994Sjkim mtx_destroy(&vesa_lock); 1961210994Sjkim 1962198251Sjkim return (error); 196339287Ssos} 196439287Ssos 196542179Syokotastatic int 196642179Syokotavesa_mod_event(module_t mod, int type, void *data) 196739287Ssos{ 1968198251Sjkim 196942179Syokota switch (type) { 197042179Syokota case MOD_LOAD: 1971198251Sjkim return (vesa_load()); 197242179Syokota case MOD_UNLOAD: 1973198251Sjkim return (vesa_unload()); 197442179Syokota } 1975198251Sjkim return (EOPNOTSUPP); 197639287Ssos} 197739287Ssos 197842179Syokotastatic moduledata_t vesa_mod = { 197942179Syokota "vesa", 198042179Syokota vesa_mod_event, 198142179Syokota NULL, 198242179Syokota}; 198339287Ssos 198442504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1985197383SdelphijMODULE_DEPEND(vesa, x86bios, 1, 1, 1); 198642179Syokota 198756836Speter#endif /* VGA_NO_MODE_CHANGE */ 1988