vesa.c revision 254997
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 254997 2013-08-28 17:58:30Z 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; 86254997Sjkimstatic size_t vesa_state_buf_size; 87210016Sjkim 88233054Sjkimstatic u_char *vesa_palette; 89233054Sjkimstatic uint32_t vesa_palette_offs; 90210016Sjkim 91233056Sjkimstatic void *vesa_vmem_buf; 92248799Sjkimstatic size_t vesa_vmem_max; 93233056Sjkim 94233054Sjkimstatic void *vesa_bios; 95233054Sjkimstatic uint32_t vesa_bios_offs; 96233054Sjkimstatic uint32_t vesa_bios_int10; 97233054Sjkimstatic size_t vesa_bios_size; 98211827Sjkim 9939287Ssos/* VESA video adapter */ 100233054Sjkimstatic video_adapter_t *vesa_adp; 10139287Ssos 102227309Sedstatic SYSCTL_NODE(_debug, OID_AUTO, vesa, CTLFLAG_RD, NULL, "VESA debugging"); 103233054Sjkimstatic int vesa_shadow_rom; 104211827SjkimTUNABLE_INT("debug.vesa.shadow_rom", &vesa_shadow_rom); 105211827SjkimSYSCTL_INT(_debug_vesa, OID_AUTO, shadow_rom, CTLFLAG_RDTUN, &vesa_shadow_rom, 106212154Sjkim 0, "Enable video BIOS shadow"); 107211827Sjkim 10839287Ssos/* VESA functions */ 10948399Speter#if 0 11042504Syokotastatic int vesa_nop(void); 11148399Speter#endif 11248104Syokotastatic int vesa_error(void); 11342504Syokotastatic vi_probe_t vesa_probe; 11439287Ssosstatic vi_init_t vesa_init; 11539287Ssosstatic vi_get_info_t vesa_get_info; 11639287Ssosstatic vi_query_mode_t vesa_query_mode; 11739287Ssosstatic vi_set_mode_t vesa_set_mode; 11839287Ssosstatic vi_save_font_t vesa_save_font; 11939287Ssosstatic vi_load_font_t vesa_load_font; 12039287Ssosstatic vi_show_font_t vesa_show_font; 12139287Ssosstatic vi_save_palette_t vesa_save_palette; 12239287Ssosstatic vi_load_palette_t vesa_load_palette; 12339287Ssosstatic vi_set_border_t vesa_set_border; 12439287Ssosstatic vi_save_state_t vesa_save_state; 12539287Ssosstatic vi_load_state_t vesa_load_state; 12639287Ssosstatic vi_set_win_org_t vesa_set_origin; 12739287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 12839287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 12942504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 13048104Syokotastatic vi_blank_display_t vesa_blank_display; 13142504Syokotastatic vi_mmap_t vesa_mmap; 13248104Syokotastatic vi_ioctl_t vesa_ioctl; 13348104Syokotastatic vi_clear_t vesa_clear; 13448104Syokotastatic vi_fill_rect_t vesa_fill_rect; 13548104Syokotastatic vi_bitblt_t vesa_bitblt; 13639287Ssosstatic vi_diag_t vesa_diag; 13748104Syokotastatic int vesa_bios_info(int level); 13839287Ssos 13942504Syokotastatic video_switch_t vesavidsw = { 14042504Syokota vesa_probe, 14142504Syokota vesa_init, 14242504Syokota vesa_get_info, 14342504Syokota vesa_query_mode, 14442504Syokota vesa_set_mode, 14542504Syokota vesa_save_font, 14642504Syokota vesa_load_font, 14742504Syokota vesa_show_font, 14842504Syokota vesa_save_palette, 14942504Syokota vesa_load_palette, 15042504Syokota vesa_set_border, 15142504Syokota vesa_save_state, 15242504Syokota vesa_load_state, 15342504Syokota vesa_set_origin, 15442504Syokota vesa_read_hw_cursor, 15542504Syokota vesa_set_hw_cursor, 15642504Syokota vesa_set_hw_cursor_shape, 15748104Syokota vesa_blank_display, 15842504Syokota vesa_mmap, 15948104Syokota vesa_ioctl, 16048104Syokota vesa_clear, 16148104Syokota vesa_fill_rect, 16248104Syokota vesa_bitblt, 16348104Syokota vesa_error, 16448104Syokota vesa_error, 16539287Ssos vesa_diag, 16639287Ssos}; 16739287Ssos 16842504Syokotastatic video_switch_t *prevvidsw; 16939287Ssos 17039287Ssos/* VESA BIOS video modes */ 17139287Ssos#define VESA_MAXMODES 64 17239287Ssos#define EOT (-1) 17339287Ssos#define NA (-2) 17439287Ssos 17548104Syokota#define MODE_TABLE_DELTA 8 17639287Ssos 177233054Sjkimstatic int vesa_vmode_max; 178233054Sjkimstatic video_info_t *vesa_vmode; 17948104Syokota 180233054Sjkimstatic int vesa_init_done; 181233054Sjkimstatic struct vesa_info *vesa_adp_info; 182233054Sjkimstatic u_int16_t *vesa_vmodetab; 183233054Sjkimstatic char *vesa_oemstr; 184233054Sjkimstatic char *vesa_venderstr; 185233054Sjkimstatic char *vesa_prodstr; 186233054Sjkimstatic char *vesa_revstr; 18739287Ssos 18839287Ssos/* local macros and functions */ 18939287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 19039287Ssos 19142504Syokotastatic int int10_set_mode(int mode); 192198251Sjkimstatic int vesa_bios_post(void); 193209491Sjkimstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags); 19439287Ssosstatic int vesa_bios_set_mode(int mode); 195204265Sjkim#if 0 19645117Syokotastatic int vesa_bios_get_dac(void); 197204265Sjkim#endif 19839287Ssosstatic int vesa_bios_set_dac(int bits); 19942729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 20042729Syokota int bits); 20148104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 20248104Syokota u_char *b, int bits); 20342729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 20442729Syokota int bits); 20548104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 20648104Syokota u_char *b, int bits); 20739287Ssos#define STATE_SIZE 0 20839287Ssos#define STATE_SAVE 1 20939287Ssos#define STATE_LOAD 2 210254997Sjkimstatic size_t vesa_bios_state_buf_size(int); 211210016Sjkimstatic int vesa_bios_save_restore(int code, void *p); 212205653Sjkim#ifdef MODE_TABLE_BROKEN 21343664Syokotastatic int vesa_bios_get_line_length(void); 214205653Sjkim#endif 21550446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 21648399Speter#if 0 21748104Syokotastatic int vesa_bios_get_start(int *x, int *y); 21848399Speter#endif 21948104Syokotastatic int vesa_bios_set_start(int x, int y); 22039591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 22139591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 22248104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 223205564Sjkimstatic int vesa_get_bpscanline(struct vesa_mode *vmode); 22439287Ssosstatic int vesa_bios_init(void); 225233054Sjkimstatic void vesa_bios_uninit(void); 22639591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 22739287Ssos 22848399Speter#if 0 22948104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 23048399Speter#endif 23148104Syokota 23242504Syokota/* INT 10 BIOS calls */ 23342504Syokotastatic int 23442504Syokotaint10_set_mode(int mode) 23542504Syokota{ 236197383Sdelphij x86regs_t regs; 23742504Syokota 238198251Sjkim x86bios_init_regs(®s); 239198251Sjkim regs.R_AL = mode; 240197383Sdelphij 241197466Sjkim x86bios_intr(®s, 0x10); 242197383Sdelphij 243198251Sjkim return (0); 24442504Syokota} 24542504Syokota 246198251Sjkimstatic int 247198251Sjkimvesa_bios_post(void) 248198251Sjkim{ 249198251Sjkim x86regs_t regs; 250198251Sjkim devclass_t dc; 251198251Sjkim device_t *devs; 252198251Sjkim device_t dev; 253198251Sjkim int count, i, is_pci; 254198251Sjkim 255211827Sjkim if (x86bios_get_orm(vesa_bios_offs) == NULL) 256198251Sjkim return (1); 257198251Sjkim 258198251Sjkim dev = NULL; 259198251Sjkim is_pci = 0; 260198251Sjkim 261198251Sjkim /* Find the matching PCI video controller. */ 262198251Sjkim dc = devclass_find("vgapci"); 263198251Sjkim if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) { 264208276Sjkim for (i = 0; i < count; i++) 265208276Sjkim if (device_get_flags(devs[i]) != 0 && 266211827Sjkim x86bios_match_device(vesa_bios_offs, devs[i])) { 267208276Sjkim dev = devs[i]; 268198251Sjkim is_pci = 1; 269198251Sjkim break; 270198251Sjkim } 271198251Sjkim free(devs, M_TEMP); 272198251Sjkim } 273198251Sjkim 274198251Sjkim /* Try VGA if a PCI device is not found. */ 275198251Sjkim if (dev == NULL) { 276198251Sjkim dc = devclass_find(VGA_DRIVER_NAME); 277198251Sjkim if (dc != NULL) 278198251Sjkim dev = devclass_get_device(dc, 0); 279198251Sjkim } 280198251Sjkim 281198251Sjkim if (bootverbose) 282198251Sjkim printf("%s: calling BIOS POST\n", 283198251Sjkim dev == NULL ? "VESA" : device_get_nameunit(dev)); 284198251Sjkim 285198251Sjkim x86bios_init_regs(®s); 286198251Sjkim if (is_pci) { 287198251Sjkim regs.R_AH = pci_get_bus(dev); 288198251Sjkim regs.R_AL = (pci_get_slot(dev) << 3) | 289198251Sjkim (pci_get_function(dev) & 0x07); 290198251Sjkim } 291198251Sjkim regs.R_DL = 0x80; 292211827Sjkim x86bios_call(®s, X86BIOS_PHYSTOSEG(vesa_bios_offs + 3), 293211827Sjkim X86BIOS_PHYSTOOFF(vesa_bios_offs + 3)); 294198419Sjkim 295198419Sjkim if (x86bios_get_intr(0x10) == 0) 296198419Sjkim return (1); 297198419Sjkim 298198251Sjkim return (0); 299198251Sjkim} 300198251Sjkim 30139287Ssos/* VESA BIOS calls */ 30239287Ssosstatic int 303209491Sjkimvesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags) 30439287Ssos{ 305197383Sdelphij x86regs_t regs; 306198251Sjkim uint32_t offs; 307198251Sjkim void *buf; 30839287Ssos 309209491Sjkim buf = x86bios_alloc(&offs, sizeof(*vmode), flags); 310198251Sjkim if (buf == NULL) 311198251Sjkim return (1); 31244846Sjlemon 313198251Sjkim x86bios_init_regs(®s); 314198251Sjkim regs.R_AX = 0x4f01; 315198251Sjkim regs.R_CX = mode; 316197025Sdelphij 317198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 318198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 319197025Sdelphij 320197466Sjkim x86bios_intr(®s, 0x10); 321197383Sdelphij 322198251Sjkim if (regs.R_AX != 0x004f) { 323198251Sjkim x86bios_free(buf, sizeof(*vmode)); 324198251Sjkim return (1); 325197383Sdelphij } 326197025Sdelphij 32739287Ssos bcopy(buf, vmode, sizeof(*vmode)); 328198251Sjkim x86bios_free(buf, sizeof(*vmode)); 329197025Sdelphij 330198251Sjkim return (0); 33139287Ssos} 33239287Ssos 33339287Ssosstatic int 33439287Ssosvesa_bios_set_mode(int mode) 33539287Ssos{ 336197383Sdelphij x86regs_t regs; 33739287Ssos 338198251Sjkim x86bios_init_regs(®s); 339198251Sjkim regs.R_AX = 0x4f02; 340198251Sjkim regs.R_BX = mode; 341197025Sdelphij 342197466Sjkim x86bios_intr(®s, 0x10); 343197383Sdelphij 344198251Sjkim return (regs.R_AX != 0x004f); 34539287Ssos} 34639287Ssos 347204265Sjkim#if 0 34839287Ssosstatic int 34945117Syokotavesa_bios_get_dac(void) 35045117Syokota{ 351197383Sdelphij x86regs_t regs; 35245117Syokota 353198251Sjkim x86bios_init_regs(®s); 354198251Sjkim regs.R_AX = 0x4f08; 355198251Sjkim regs.R_BL = 1; 356197025Sdelphij 357197466Sjkim x86bios_intr(®s, 0x10); 358197383Sdelphij 359198251Sjkim if (regs.R_AX != 0x004f) 360198251Sjkim return (6); 361197025Sdelphij 362198251Sjkim return (regs.R_BH); 36345117Syokota} 364204265Sjkim#endif 36545117Syokota 36645117Syokotastatic int 36739287Ssosvesa_bios_set_dac(int bits) 36839287Ssos{ 369197383Sdelphij x86regs_t regs; 37039287Ssos 371198251Sjkim x86bios_init_regs(®s); 372198251Sjkim regs.R_AX = 0x4f08; 373198251Sjkim /* regs.R_BL = 0; */ 374198251Sjkim regs.R_BH = bits; 375197025Sdelphij 376197466Sjkim x86bios_intr(®s, 0x10); 377197383Sdelphij 378198251Sjkim if (regs.R_AX != 0x004f) 379198251Sjkim return (6); 380197025Sdelphij 381198251Sjkim return (regs.R_BH); 38239287Ssos} 38339287Ssos 38439287Ssosstatic int 38542729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 38639287Ssos{ 387197383Sdelphij x86regs_t regs; 38839287Ssos int i; 38939287Ssos 390198251Sjkim x86bios_init_regs(®s); 391198251Sjkim regs.R_AX = 0x4f09; 392198251Sjkim regs.R_BL = 1; 393198251Sjkim regs.R_CX = colors; 394198251Sjkim regs.R_DX = start; 395197025Sdelphij 396210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 397210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 398197025Sdelphij 399210994Sjkim bits = 8 - bits; 400210994Sjkim mtx_lock(&vesa_lock); 401197466Sjkim x86bios_intr(®s, 0x10); 402210994Sjkim if (regs.R_AX != 0x004f) { 403210994Sjkim mtx_unlock(&vesa_lock); 404198251Sjkim return (1); 405210994Sjkim } 40639287Ssos for (i = 0; i < colors; ++i) { 407210016Sjkim palette[i * 3] = vesa_palette[i * 4 + 2] << bits; 408210016Sjkim palette[i * 3 + 1] = vesa_palette[i * 4 + 1] << bits; 409210016Sjkim palette[i * 3 + 2] = vesa_palette[i * 4] << bits; 41039287Ssos } 411210994Sjkim mtx_unlock(&vesa_lock); 412197383Sdelphij 413198251Sjkim return (0); 41439287Ssos} 41539287Ssos 41639287Ssosstatic int 41748104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 41848104Syokota int bits) 41948104Syokota{ 420197383Sdelphij x86regs_t regs; 42148104Syokota int i; 42248104Syokota 423198251Sjkim x86bios_init_regs(®s); 424198251Sjkim regs.R_AX = 0x4f09; 425198251Sjkim regs.R_BL = 1; 426198251Sjkim regs.R_CX = colors; 427198251Sjkim regs.R_DX = start; 428197025Sdelphij 429210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 430210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 431197025Sdelphij 432210994Sjkim bits = 8 - bits; 433210994Sjkim mtx_lock(&vesa_lock); 434197466Sjkim x86bios_intr(®s, 0x10); 435210994Sjkim if (regs.R_AX != 0x004f) { 436210994Sjkim mtx_unlock(&vesa_lock); 437198251Sjkim return (1); 438210994Sjkim } 43948104Syokota for (i = 0; i < colors; ++i) { 440210016Sjkim r[i] = vesa_palette[i * 4 + 2] << bits; 441210016Sjkim g[i] = vesa_palette[i * 4 + 1] << bits; 442210016Sjkim b[i] = vesa_palette[i * 4] << bits; 44348104Syokota } 444210994Sjkim mtx_unlock(&vesa_lock); 445197383Sdelphij 446198251Sjkim return (0); 44748104Syokota} 44848104Syokota 44948104Syokotastatic int 45042729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 45139287Ssos{ 452197383Sdelphij x86regs_t regs; 45339287Ssos int i; 45439287Ssos 455198251Sjkim x86bios_init_regs(®s); 456198251Sjkim regs.R_AX = 0x4f09; 457198251Sjkim /* regs.R_BL = 0; */ 458198251Sjkim regs.R_CX = colors; 459198251Sjkim regs.R_DX = start; 460198251Sjkim 461210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 462210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 463198251Sjkim 46442729Syokota bits = 8 - bits; 465210994Sjkim mtx_lock(&vesa_lock); 46639287Ssos for (i = 0; i < colors; ++i) { 467210016Sjkim vesa_palette[i * 4] = palette[i * 3 + 2] >> bits; 468210016Sjkim vesa_palette[i * 4 + 1] = palette[i * 3 + 1] >> bits; 469210016Sjkim vesa_palette[i * 4 + 2] = palette[i * 3] >> bits; 470210016Sjkim vesa_palette[i * 4 + 3] = 0; 47139287Ssos } 472197466Sjkim x86bios_intr(®s, 0x10); 473210994Sjkim mtx_unlock(&vesa_lock); 474197025Sdelphij 475198251Sjkim return (regs.R_AX != 0x004f); 47639287Ssos} 47739287Ssos 47839287Ssosstatic int 47948104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 48048104Syokota int bits) 48148104Syokota{ 482197383Sdelphij x86regs_t regs; 48348104Syokota int i; 48448104Syokota 485198251Sjkim x86bios_init_regs(®s); 486198251Sjkim regs.R_AX = 0x4f09; 487198251Sjkim /* regs.R_BL = 0; */ 488198251Sjkim regs.R_CX = colors; 489198251Sjkim regs.R_DX = start; 490198251Sjkim 491210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 492210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 493198251Sjkim 49448104Syokota bits = 8 - bits; 495210994Sjkim mtx_lock(&vesa_lock); 49648104Syokota for (i = 0; i < colors; ++i) { 497210016Sjkim vesa_palette[i * 4] = b[i] >> bits; 498210016Sjkim vesa_palette[i * 4 + 1] = g[i] >> bits; 499210016Sjkim vesa_palette[i * 4 + 2] = r[i] >> bits; 500210016Sjkim vesa_palette[i * 4 + 3] = 0; 50148104Syokota } 502197466Sjkim x86bios_intr(®s, 0x10); 503210994Sjkim mtx_unlock(&vesa_lock); 504197025Sdelphij 505198251Sjkim return (regs.R_AX != 0x004f); 50648104Syokota} 50748104Syokota 508254997Sjkimstatic size_t 509232063Sjkimvesa_bios_state_buf_size(int state) 51039287Ssos{ 511197383Sdelphij x86regs_t regs; 51239287Ssos 513198251Sjkim x86bios_init_regs(®s); 514198251Sjkim regs.R_AX = 0x4f04; 515198251Sjkim /* regs.R_DL = STATE_SIZE; */ 516232063Sjkim regs.R_CX = state; 517197025Sdelphij 518197466Sjkim x86bios_intr(®s, 0x10); 519197383Sdelphij 520198251Sjkim if (regs.R_AX != 0x004f) 521198251Sjkim return (0); 522197025Sdelphij 523198251Sjkim return (regs.R_BX * 64); 52439287Ssos} 52539287Ssos 52639287Ssosstatic int 527210016Sjkimvesa_bios_save_restore(int code, void *p) 52839287Ssos{ 529197383Sdelphij x86regs_t regs; 53039287Ssos 531198251Sjkim if (code != STATE_SAVE && code != STATE_LOAD) 532198251Sjkim return (1); 533197025Sdelphij 534198251Sjkim x86bios_init_regs(®s); 535198251Sjkim regs.R_AX = 0x4f04; 536198251Sjkim regs.R_DL = code; 537232063Sjkim regs.R_CX = vesa_state; 538197025Sdelphij 539210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_state_buf_offs); 540210016Sjkim regs.R_BX = X86BIOS_PHYSTOOFF(vesa_state_buf_offs); 54144846Sjlemon 542210994Sjkim mtx_lock(&vesa_lock); 543198251Sjkim switch (code) { 544198251Sjkim case STATE_SAVE: 545198251Sjkim x86bios_intr(®s, 0x10); 546233894Sjkim if (regs.R_AX == 0x004f) 547233894Sjkim bcopy(vesa_state_buf, p, vesa_state_buf_size); 548198251Sjkim break; 549198251Sjkim case STATE_LOAD: 550210016Sjkim bcopy(p, vesa_state_buf, vesa_state_buf_size); 551198251Sjkim x86bios_intr(®s, 0x10); 552198251Sjkim break; 553198251Sjkim } 554210994Sjkim mtx_unlock(&vesa_lock); 555197025Sdelphij 556198251Sjkim return (regs.R_AX != 0x004f); 55739287Ssos} 55839287Ssos 559205653Sjkim#ifdef MODE_TABLE_BROKEN 56043664Syokotastatic int 56143664Syokotavesa_bios_get_line_length(void) 56243664Syokota{ 563197383Sdelphij x86regs_t regs; 56443664Syokota 565198251Sjkim x86bios_init_regs(®s); 566198251Sjkim regs.R_AX = 0x4f06; 567198251Sjkim regs.R_BL = 1; 568197025Sdelphij 569197466Sjkim x86bios_intr(®s, 0x10); 570197383Sdelphij 571198251Sjkim if (regs.R_AX != 0x004f) 572198251Sjkim return (-1); 573197383Sdelphij 574198251Sjkim return (regs.R_BX); 57543664Syokota} 576205653Sjkim#endif 57743664Syokota 57848104Syokotastatic int 57950446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 58048104Syokota{ 581197383Sdelphij x86regs_t regs; 58248104Syokota 583198251Sjkim x86bios_init_regs(®s); 584198251Sjkim regs.R_AX = 0x4f06; 585198251Sjkim /* regs.R_BL = 0; */ 586198251Sjkim regs.R_CX = pixel; 587197025Sdelphij 588197466Sjkim x86bios_intr(®s, 0x10); 589197383Sdelphij 59048104Syokota#if VESA_DEBUG > 1 591197383Sdelphij printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX); 59248104Syokota#endif 593198251Sjkim if (regs.R_AX != 0x004f) 594198251Sjkim return (-1); 595197025Sdelphij 596198251Sjkim if (bytes != NULL) 597197383Sdelphij *bytes = regs.R_BX; 598198251Sjkim if (lines != NULL) 599197383Sdelphij *lines = regs.R_DX; 600197025Sdelphij 601198251Sjkim return (0); 60248104Syokota} 60348104Syokota 60448399Speter#if 0 60548104Syokotastatic int 60648104Syokotavesa_bios_get_start(int *x, int *y) 60748104Syokota{ 608197383Sdelphij x86regs_t regs; 60948104Syokota 610198251Sjkim x86bios_init_regs(®s); 611198251Sjkim regs.R_AX = 0x4f07; 612198251Sjkim regs.R_BL = 1; 613197025Sdelphij 614197466Sjkim x86bios_intr(®s, 0x10); 615197383Sdelphij 616198251Sjkim if (regs.R_AX != 0x004f) 617198251Sjkim return (-1); 618197025Sdelphij 619197383Sdelphij *x = regs.R_CX; 620197383Sdelphij *y = regs.R_DX; 621197025Sdelphij 622198251Sjkim return (0); 62348104Syokota} 62448399Speter#endif 62548104Syokota 62648104Syokotastatic int 62748104Syokotavesa_bios_set_start(int x, int y) 62848104Syokota{ 629197383Sdelphij x86regs_t regs; 63048104Syokota 631198251Sjkim x86bios_init_regs(®s); 632198251Sjkim regs.R_AX = 0x4f07; 633198251Sjkim regs.R_BL = 0x80; 634198251Sjkim regs.R_CX = x; 635198251Sjkim regs.R_DX = y; 636197025Sdelphij 637197466Sjkim x86bios_intr(®s, 0x10); 638197383Sdelphij 639198251Sjkim return (regs.R_AX != 0x004f); 64048104Syokota} 64148104Syokota 64239591Syokota/* map a generic video mode to a known mode */ 64339287Ssosstatic int 64439591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 64539287Ssos{ 64639591Syokota static struct { 64739591Syokota int from; 64839591Syokota int to; 64939591Syokota } mode_map[] = { 65039591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 65139591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 65239591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 65339591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 65439591Syokota }; 65539591Syokota int i; 65639591Syokota 65739591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 65839591Syokota if (mode_map[i].from == mode) 659198251Sjkim return (mode_map[i].to); 66039591Syokota } 661198251Sjkim return (mode); 66239591Syokota} 66339591Syokota 66439591Syokotastatic int 66539591Syokotavesa_translate_flags(u_int16_t vflags) 66639591Syokota{ 66739287Ssos static struct { 66839287Ssos u_int16_t mask; 66939287Ssos int set; 67039287Ssos int reset; 67139287Ssos } ftable[] = { 67239287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 67339287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 67442235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 675198858Sjkim { V_MODENONVGA, V_INFO_NONVGA, 0 }, 67639287Ssos }; 67739287Ssos int flags; 67839287Ssos int i; 67939287Ssos 68039287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 68139287Ssos flags |= (vflags & ftable[i].mask) ? 68239287Ssos ftable[i].set : ftable[i].reset; 68339287Ssos } 684198251Sjkim return (flags); 68539287Ssos} 68639287Ssos 68748104Syokotastatic int 68848104Syokotavesa_translate_mmodel(u_int8_t vmodel) 68948104Syokota{ 69048104Syokota static struct { 69148104Syokota u_int8_t vmodel; 69248104Syokota int mmodel; 69348104Syokota } mtable[] = { 69448104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 69548104Syokota { V_MMCGA, V_INFO_MM_CGA }, 69648104Syokota { V_MMHGC, V_INFO_MM_HGC }, 69748104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 69848104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 69948104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 70048104Syokota }; 70148104Syokota int i; 70248104Syokota 70348104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 70448104Syokota if (mtable[i].vmodel == vmodel) 705198251Sjkim return (mtable[i].mmodel); 70648104Syokota } 707198251Sjkim return (V_INFO_MM_OTHER); 70848104Syokota} 70948104Syokota 710205564Sjkimstatic int 711205564Sjkimvesa_get_bpscanline(struct vesa_mode *vmode) 712205564Sjkim{ 713205564Sjkim int bpsl; 714205564Sjkim 715205564Sjkim if ((vmode->v_modeattr & V_MODEGRAPHICS) != 0) { 716205564Sjkim /* Find the minimum length. */ 717205564Sjkim switch (vmode->v_bpp / vmode->v_planes) { 718205564Sjkim case 1: 719205564Sjkim bpsl = vmode->v_width / 8; 720205564Sjkim break; 721205564Sjkim case 2: 722205564Sjkim bpsl = vmode->v_width / 4; 723205564Sjkim break; 724205564Sjkim case 4: 725205564Sjkim bpsl = vmode->v_width / 2; 726205564Sjkim break; 727205564Sjkim default: 728205564Sjkim bpsl = vmode->v_width * ((vmode->v_bpp + 7) / 8); 729205564Sjkim bpsl /= vmode->v_planes; 730205564Sjkim break; 731205564Sjkim } 732205564Sjkim 733205564Sjkim /* Use VBE 3.0 information if it looks sane. */ 734205564Sjkim if ((vmode->v_modeattr & V_MODELFB) != 0 && 735205564Sjkim vesa_adp_info->v_version >= 0x0300 && 736205564Sjkim vmode->v_linbpscanline > bpsl) 737205564Sjkim return (vmode->v_linbpscanline); 738205564Sjkim 739205564Sjkim /* Return the minimum if the mode table looks absurd. */ 740205564Sjkim if (vmode->v_bpscanline < bpsl) 741205564Sjkim return (bpsl); 742205564Sjkim } 743205564Sjkim 744205564Sjkim return (vmode->v_bpscanline); 745205564Sjkim} 746205564Sjkim 747198251Sjkim#define VESA_MAXSTR 256 748198251Sjkim 749198251Sjkim#define VESA_STRCPY(dst, src) do { \ 750198251Sjkim char *str; \ 751198251Sjkim int i; \ 752198251Sjkim dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \ 753198251Sjkim str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \ 754198251Sjkim for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \ 755198251Sjkim dst[i] = str[i]; \ 756198251Sjkim dst[i] = '\0'; \ 757198251Sjkim} while (0) 758198251Sjkim 759197496Sjkimstatic int 76039287Ssosvesa_bios_init(void) 76139287Ssos{ 76239287Ssos struct vesa_mode vmode; 763206384Sjkim struct vesa_info *buf; 76448104Syokota video_info_t *p; 765197383Sdelphij x86regs_t regs; 766197496Sjkim size_t bsize; 767203535Sjkim size_t msize; 768198251Sjkim void *vmbuf; 769211827Sjkim uint8_t *vbios; 770198251Sjkim uint32_t offs; 771198251Sjkim uint16_t vers; 772117710Srobert int is_via_cle266; 77339287Ssos int modes; 77439287Ssos int i; 77539287Ssos 77639287Ssos if (vesa_init_done) 777198251Sjkim return (0); 77839287Ssos 779211827Sjkim vesa_bios_offs = VESA_BIOS_OFFSET; 78039287Ssos 781198251Sjkim /* 782198251Sjkim * If the VBE real mode interrupt vector is not found, try BIOS POST. 783198251Sjkim */ 784211827Sjkim vesa_bios_int10 = x86bios_get_intr(0x10); 785211827Sjkim if (vesa_bios_int10 == 0) { 786198251Sjkim if (vesa_bios_post() != 0) 787198251Sjkim return (1); 788211827Sjkim vesa_bios_int10 = x86bios_get_intr(0x10); 789211827Sjkim if (vesa_bios_int10 == 0) 790211827Sjkim return (1); 791198251Sjkim } 79244846Sjlemon 793211827Sjkim /* 794211827Sjkim * Shadow video ROM. 795211827Sjkim */ 796212070Sjkim offs = vesa_bios_int10; 797211827Sjkim if (vesa_shadow_rom) { 798211827Sjkim vbios = x86bios_get_orm(vesa_bios_offs); 799211827Sjkim if (vbios != NULL) { 800211827Sjkim vesa_bios_size = vbios[2] * 512; 801212580Sjkim if (((VESA_BIOS_OFFSET << 12) & 0xffff0000) == 802212580Sjkim (vesa_bios_int10 & 0xffff0000) && 803212580Sjkim vesa_bios_size > (vesa_bios_int10 & 0xffff)) { 804212070Sjkim vesa_bios = x86bios_alloc(&vesa_bios_offs, 805212070Sjkim vesa_bios_size, M_WAITOK); 806233054Sjkim bcopy(vbios, vesa_bios, vesa_bios_size); 807212580Sjkim offs = ((vesa_bios_offs << 12) & 0xffff0000) + 808212580Sjkim (vesa_bios_int10 & 0xffff); 809212070Sjkim x86bios_set_intr(0x10, offs); 810212580Sjkim } 811212070Sjkim } 812212070Sjkim if (vesa_bios == NULL) 813211827Sjkim printf("VESA: failed to shadow video ROM\n"); 814211827Sjkim } 815211827Sjkim if (bootverbose) 816211827Sjkim printf("VESA: INT 0x10 vector 0x%04x:0x%04x\n", 817211829Sjkim (offs >> 16) & 0xffff, offs & 0xffff); 818211827Sjkim 819198251Sjkim x86bios_init_regs(®s); 820198251Sjkim regs.R_AX = 0x4f00; 821197025Sdelphij 822209472Sjkim vmbuf = x86bios_alloc(&offs, sizeof(*buf), M_WAITOK); 823198251Sjkim 824198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 825198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 826198251Sjkim 827198251Sjkim bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 828197466Sjkim x86bios_intr(®s, 0x10); 829197025Sdelphij 830198251Sjkim if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0) 831198251Sjkim goto fail; 832197025Sdelphij 833206384Sjkim vesa_adp_info = buf = malloc(sizeof(*buf), M_DEVBUF, M_WAITOK); 834206384Sjkim bcopy(vmbuf, buf, sizeof(*buf)); 835197025Sdelphij 83642504Syokota if (bootverbose) { 83742504Syokota printf("VESA: information block\n"); 838206384Sjkim hexdump(buf, sizeof(*buf), NULL, HD_OMIT_CHARS); 83942504Syokota } 840198251Sjkim 841206384Sjkim vers = buf->v_version = le16toh(buf->v_version); 842206384Sjkim buf->v_oemstr = le32toh(buf->v_oemstr); 843206384Sjkim buf->v_flags = le32toh(buf->v_flags); 844206384Sjkim buf->v_modetable = le32toh(buf->v_modetable); 845206384Sjkim buf->v_memsize = le16toh(buf->v_memsize); 846206384Sjkim buf->v_revision = le16toh(buf->v_revision); 847206384Sjkim buf->v_venderstr = le32toh(buf->v_venderstr); 848206384Sjkim buf->v_prodstr = le32toh(buf->v_prodstr); 849206384Sjkim buf->v_revstr = le32toh(buf->v_revstr); 850198251Sjkim 851198251Sjkim if (vers < 0x0102) { 85248104Syokota printf("VESA: VBE version %d.%d is not supported; " 853203455Sjkim "version 1.2 or later is required.\n", 854203455Sjkim ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8), 855203455Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f)); 856209740Sjkim goto fail; 85748104Syokota } 85839287Ssos 859206384Sjkim VESA_STRCPY(vesa_oemstr, buf->v_oemstr); 860198251Sjkim if (vers >= 0x0200) { 861206384Sjkim VESA_STRCPY(vesa_venderstr, buf->v_venderstr); 862206384Sjkim VESA_STRCPY(vesa_prodstr, buf->v_prodstr); 863206384Sjkim VESA_STRCPY(vesa_revstr, buf->v_revstr); 86439858Syokota } 865198251Sjkim is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266, 866198251Sjkim sizeof(VESA_VIA_CLE266)) == 0; 86739858Syokota 868206384Sjkim if (buf->v_modetable == 0) 869198251Sjkim goto fail; 870197025Sdelphij 871206384Sjkim msize = (size_t)buf->v_memsize * 64 * 1024; 872203535Sjkim 873206384Sjkim vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf->v_modetable)); 874197025Sdelphij 875203455Sjkim for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) && 876203455Sjkim (vesa_vmodetab[i] != 0xffff); ++i) { 877198251Sjkim vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]); 878209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_WAITOK)) 87939287Ssos continue; 88039287Ssos 881198419Sjkim vmode.v_modeattr = le16toh(vmode.v_modeattr); 882198419Sjkim vmode.v_wgran = le16toh(vmode.v_wgran); 883198419Sjkim vmode.v_wsize = le16toh(vmode.v_wsize); 884198419Sjkim vmode.v_waseg = le16toh(vmode.v_waseg); 885198419Sjkim vmode.v_wbseg = le16toh(vmode.v_wbseg); 886198419Sjkim vmode.v_posfunc = le32toh(vmode.v_posfunc); 887198419Sjkim vmode.v_bpscanline = le16toh(vmode.v_bpscanline); 888198419Sjkim vmode.v_width = le16toh(vmode.v_width); 889198419Sjkim vmode.v_height = le16toh(vmode.v_height); 890198419Sjkim vmode.v_lfb = le32toh(vmode.v_lfb); 891198419Sjkim vmode.v_offscreen = le32toh(vmode.v_offscreen); 892198419Sjkim vmode.v_offscreensize = le16toh(vmode.v_offscreensize); 893198419Sjkim vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline); 894198419Sjkim vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock); 895198419Sjkim 89639287Ssos /* reject unsupported modes */ 89739287Ssos#if 0 898203455Sjkim if ((vmode.v_modeattr & 899203455Sjkim (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) != 900203455Sjkim (V_MODESUPP | V_MODEOPTINFO)) 90139287Ssos continue; 90239287Ssos#else 90367816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 90466710Sjhb#if VESA_DEBUG > 1 905203455Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 906203455Sjkim " attr = %x\n", 907203455Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 908203455Sjkim "graphics" : "text", 90966710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 91066710Sjhb vmode.v_modeattr); 91166710Sjhb#endif 91239287Ssos continue; 91366710Sjhb } 91439287Ssos#endif 91539287Ssos 916205564Sjkim bsize = vesa_get_bpscanline(&vmode) * vmode.v_height; 917203535Sjkim if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0) 918203535Sjkim bsize *= vmode.v_planes; 919203535Sjkim 920203535Sjkim /* Does it have enough memory to support this mode? */ 921203535Sjkim if (msize < bsize) { 922203535Sjkim#if VESA_DEBUG > 1 923203535Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 924203535Sjkim " attr = %x, not enough memory\n", 925203535Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 926203535Sjkim "graphics" : "text", 927203535Sjkim vmode.v_width, vmode.v_height, vmode.v_bpp, 928203535Sjkim vmode.v_modeattr); 929203535Sjkim#endif 930203535Sjkim continue; 931203535Sjkim } 932248799Sjkim if (bsize > vesa_vmem_max) 933248799Sjkim vesa_vmem_max = bsize; 934203535Sjkim 93548104Syokota /* expand the array if necessary */ 93648104Syokota if (modes >= vesa_vmode_max) { 93748104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 938203455Sjkim p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1), 939203455Sjkim M_DEVBUF, M_WAITOK); 94048104Syokota#if VESA_DEBUG > 1 94148104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 942203455Sjkim modes, vesa_vmode_max); 94348104Syokota#endif 94448104Syokota if (modes > 0) { 94548104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 94648104Syokota free(vesa_vmode, M_DEVBUF); 94748104Syokota } 94848104Syokota vesa_vmode = p; 94948104Syokota } 95048104Syokota 95166710Sjhb#if VESA_DEBUG > 1 95266710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 95366710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 95466710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 95566710Sjhb#endif 956117710Srobert if (is_via_cle266) { 957117710Srobert if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { 958117710Srobert vmode.v_width &= 0xff; 959117710Srobert vmode.v_waseg = 0xb8000 >> 4; 960117710Srobert } 961117710Srobert } 962117710Srobert 96339287Ssos /* copy some fields */ 96439287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 96539287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 96639287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 96739287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 96839287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 96939287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 97039287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 97139287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 972203455Sjkim vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4; 97339287Ssos /* XXX window B */ 974203455Sjkim vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024; 975203455Sjkim vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024; 976203535Sjkim if (vmode.v_modeattr & V_MODELFB) 97748104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 978203535Sjkim vesa_vmode[modes].vi_buffer_size = bsize; 979203455Sjkim vesa_vmode[modes].vi_mem_model = 980203455Sjkim vesa_translate_mmodel(vmode.v_memmodel); 981204236Sjkim switch (vesa_vmode[modes].vi_mem_model) { 982204236Sjkim case V_INFO_MM_DIRECT: 983204236Sjkim if ((vmode.v_modeattr & V_MODELFB) != 0 && 984204236Sjkim vers >= 0x0300) { 985204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 986204236Sjkim vmode.v_linredfieldpos; 987204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 988204236Sjkim vmode.v_lingreenfieldpos; 989204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 990204236Sjkim vmode.v_linbluefieldpos; 991204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 992204236Sjkim vmode.v_linresfieldpos; 993204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 994204236Sjkim vmode.v_linredmasksize; 995204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 996204236Sjkim vmode.v_lingreenmasksize; 997204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 998204236Sjkim vmode.v_linbluemasksize; 999204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 1000204236Sjkim vmode.v_linresmasksize; 1001204236Sjkim } else { 1002204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 1003204236Sjkim vmode.v_redfieldpos; 1004204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 1005204236Sjkim vmode.v_greenfieldpos; 1006204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 1007204236Sjkim vmode.v_bluefieldpos; 1008204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 1009204236Sjkim vmode.v_resfieldpos; 1010204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 1011204236Sjkim vmode.v_redmasksize; 1012204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 1013204236Sjkim vmode.v_greenmasksize; 1014204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 1015204236Sjkim vmode.v_bluemasksize; 1016204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 1017204236Sjkim vmode.v_resmasksize; 1018204236Sjkim } 1019204236Sjkim /* FALLTHROUGH */ 1020204236Sjkim case V_INFO_MM_PACKED: 1021203455Sjkim vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8; 1022204236Sjkim break; 1023204236Sjkim } 1024203455Sjkim vesa_vmode[modes].vi_flags = 1025203455Sjkim vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 1026197496Sjkim 102739287Ssos ++modes; 102839287Ssos } 102939287Ssos vesa_vmode[modes].vi_mode = EOT; 1030197383Sdelphij 103139287Ssos if (bootverbose) 103239287Ssos printf("VESA: %d mode(s) found\n", modes); 103339287Ssos 1034233054Sjkim if (modes == 0) 1035198251Sjkim goto fail; 1036142830Siedowse 1037206384Sjkim x86bios_free(vmbuf, sizeof(*buf)); 1038210016Sjkim 1039232063Sjkim /* Probe supported save/restore states. */ 1040232063Sjkim for (i = 0; i < 4; i++) 1041232063Sjkim if (vesa_bios_state_buf_size(1 << i) > 0) 1042232063Sjkim vesa_state |= 1 << i; 1043232063Sjkim if (vesa_state != 0) 1044232063Sjkim vesa_state_buf_size = vesa_bios_state_buf_size(vesa_state); 1045210016Sjkim vesa_palette = x86bios_alloc(&vesa_palette_offs, 1046210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size, M_WAITOK); 1047210016Sjkim if (vesa_state_buf_size > 0) { 1048210016Sjkim vesa_state_buf = vesa_palette + VESA_PALETTE_SIZE; 1049210016Sjkim vesa_state_buf_offs = vesa_palette_offs + VESA_PALETTE_SIZE; 1050210016Sjkim } 1051210016Sjkim 1052142830Siedowse return (0); 1053198251Sjkim 1054198251Sjkimfail: 1055233054Sjkim x86bios_free(vmbuf, sizeof(buf)); 1056233054Sjkim vesa_bios_uninit(); 1057233054Sjkim return (1); 1058233054Sjkim} 1059233054Sjkim 1060233054Sjkimstatic void 1061233054Sjkimvesa_bios_uninit(void) 1062233054Sjkim{ 1063233054Sjkim 1064211827Sjkim if (vesa_bios != NULL) { 1065211827Sjkim x86bios_set_intr(0x10, vesa_bios_int10); 1066211827Sjkim vesa_bios_offs = VESA_BIOS_OFFSET; 1067211827Sjkim x86bios_free(vesa_bios, vesa_bios_size); 1068211827Sjkim vesa_bios = NULL; 1069211827Sjkim } 1070206384Sjkim if (vesa_adp_info != NULL) { 1071206384Sjkim free(vesa_adp_info, M_DEVBUF); 1072206384Sjkim vesa_adp_info = NULL; 1073206384Sjkim } 1074198251Sjkim if (vesa_oemstr != NULL) { 1075198251Sjkim free(vesa_oemstr, M_DEVBUF); 1076198251Sjkim vesa_oemstr = NULL; 1077198251Sjkim } 1078198251Sjkim if (vesa_venderstr != NULL) { 1079198251Sjkim free(vesa_venderstr, M_DEVBUF); 1080198251Sjkim vesa_venderstr = NULL; 1081198251Sjkim } 1082198251Sjkim if (vesa_prodstr != NULL) { 1083198251Sjkim free(vesa_prodstr, M_DEVBUF); 1084198251Sjkim vesa_prodstr = NULL; 1085198251Sjkim } 1086198251Sjkim if (vesa_revstr != NULL) { 1087198251Sjkim free(vesa_revstr, M_DEVBUF); 1088198251Sjkim vesa_revstr = NULL; 1089198251Sjkim } 1090233054Sjkim if (vesa_vmode != NULL) { 1091233054Sjkim free(vesa_vmode, M_DEVBUF); 1092233054Sjkim vesa_vmode = NULL; 1093233054Sjkim } 1094233054Sjkim if (vesa_palette != NULL) { 1095233054Sjkim x86bios_free(vesa_palette, 1096233054Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size); 1097233054Sjkim vesa_palette = NULL; 1098233054Sjkim } 109939287Ssos} 110039287Ssos 110139287Ssosstatic void 110239591Syokotavesa_clear_modes(video_info_t *info, int color) 110339287Ssos{ 110439287Ssos while (info->vi_mode != EOT) { 110539287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 110639287Ssos info->vi_mode = NA; 110739287Ssos ++info; 110839287Ssos } 110939287Ssos} 111039287Ssos 111142504Syokota/* entry points */ 111239287Ssos 111339287Ssosstatic int 111442504Syokotavesa_configure(int flags) 111539287Ssos{ 111642504Syokota video_adapter_t *adp; 111739287Ssos int adapters; 111842504Syokota int error; 111939287Ssos int i; 112039287Ssos 112142504Syokota if (vesa_init_done) 1122198251Sjkim return (0); 112342504Syokota if (flags & VIO_PROBE_ONLY) 1124198251Sjkim return (0); 112542504Syokota 112642504Syokota /* 112742504Syokota * If the VESA module has already been loaded, abort loading 112842504Syokota * the module this time. 112942504Syokota */ 113042504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 113142504Syokota if (adp->va_flags & V_ADP_VESA) 1132198251Sjkim return (ENXIO); 113342504Syokota if (adp->va_type == KD_VGA) 113442504Syokota break; 113539287Ssos } 1136198251Sjkim 113742504Syokota /* 113842504Syokota * The VGA adapter is not found. This is because either 113942504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 114042504Syokota * is not present. If 1) is the case, we shall defer 114142504Syokota * initialization for now and try again later. 114242504Syokota */ 114342504Syokota if (adp == NULL) { 114442504Syokota vga_sub_configure = vesa_configure; 1145198251Sjkim return (ENODEV); 114642504Syokota } 114742504Syokota 114842504Syokota /* count number of registered adapters */ 114942504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 115042504Syokota ; 115142504Syokota adapters = i; 115242504Syokota 115342504Syokota /* call VESA BIOS */ 115442504Syokota vesa_adp = adp; 115542504Syokota if (vesa_bios_init()) { 115642504Syokota vesa_adp = NULL; 1157198251Sjkim return (ENXIO); 115842504Syokota } 115942504Syokota vesa_adp->va_flags |= V_ADP_VESA; 116042504Syokota 116142504Syokota /* remove conflicting modes if we have more than one adapter */ 116242504Syokota if (adapters > 1) { 116342504Syokota vesa_clear_modes(vesa_vmode, 116442504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 116542504Syokota V_INFO_COLOR : 0); 116642504Syokota } 116742504Syokota 116842504Syokota if ((error = vesa_load_ioctl()) == 0) { 116942504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 117042504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 117142504Syokota vesa_init_done = TRUE; 117242504Syokota } else { 117342504Syokota vesa_adp = NULL; 1174198251Sjkim return (error); 117542504Syokota } 117642504Syokota 1177198251Sjkim return (0); 117839287Ssos} 117939287Ssos 118048399Speter#if 0 118142504Syokotastatic int 118242504Syokotavesa_nop(void) 118339287Ssos{ 1184198251Sjkim 1185198251Sjkim return (0); 118639287Ssos} 118748399Speter#endif 118839287Ssos 118939287Ssosstatic int 119048104Syokotavesa_error(void) 119148104Syokota{ 1192198251Sjkim 1193198251Sjkim return (1); 119448104Syokota} 119548104Syokota 119648104Syokotastatic int 119742504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 119839287Ssos{ 1199198251Sjkim 1200198251Sjkim return ((*prevvidsw->probe)(unit, adpp, arg, flags)); 120142504Syokota} 120242504Syokota 120342504Syokotastatic int 120442504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 120542504Syokota{ 1206198251Sjkim 1207198251Sjkim return ((*prevvidsw->init)(unit, adp, flags)); 120842504Syokota} 120942504Syokota 121042504Syokotastatic int 121142504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 121242504Syokota{ 121339287Ssos int i; 121439287Ssos 121542504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 1216198251Sjkim return (0); 121739287Ssos 121842504Syokota if (adp != vesa_adp) 1219198251Sjkim return (1); 122039591Syokota 122139591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 122239591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 122339287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 122439287Ssos if (vesa_vmode[i].vi_mode == NA) 122539287Ssos continue; 122639287Ssos if (vesa_vmode[i].vi_mode == mode) { 122739287Ssos *info = vesa_vmode[i]; 1228198251Sjkim return (0); 122939287Ssos } 123039287Ssos } 1231198251Sjkim return (1); 123239287Ssos} 123339287Ssos 123439287Ssosstatic int 123542504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 123639287Ssos{ 123739287Ssos int i; 123839287Ssos 123954258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 1240198251Sjkim return (0); 124142504Syokota if (adp != vesa_adp) 1242198251Sjkim return (ENODEV); 124339287Ssos 124439287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 124539287Ssos if ((info->vi_width != 0) 124639287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 124739287Ssos continue; 124839287Ssos if ((info->vi_height != 0) 124939287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 125039287Ssos continue; 125139287Ssos if ((info->vi_cwidth != 0) 125239287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 125339287Ssos continue; 125439287Ssos if ((info->vi_cheight != 0) 125539287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 125639287Ssos continue; 125739287Ssos if ((info->vi_depth != 0) 125839287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 125939287Ssos continue; 126039287Ssos if ((info->vi_planes != 0) 126139287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 126239287Ssos continue; 126339287Ssos /* pixel format, memory model */ 126439287Ssos if ((info->vi_flags != 0) 126539287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 126639287Ssos continue; 126754258Syokota *info = vesa_vmode[i]; 1268198251Sjkim return (0); 126939287Ssos } 1270198251Sjkim return (ENODEV); 127139287Ssos} 127239287Ssos 127339287Ssosstatic int 127442504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 127539287Ssos{ 127639287Ssos video_info_t info; 127739287Ssos 127842504Syokota if (adp != vesa_adp) 1279198251Sjkim return ((*prevvidsw->set_mode)(adp, mode)); 128039287Ssos 128148104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 128248104Syokota adp->va_flags & V_ADP_COLOR, mode); 128342504Syokota#if VESA_DEBUG > 0 128439287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 128548104Syokota adp->va_mode, adp->va_mode, mode, mode); 128639287Ssos#endif 128739287Ssos /* 128839287Ssos * If the current mode is a VESA mode and the new mode is not, 128948104Syokota * restore the state of the adapter first by setting one of the 129048104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 129148104Syokota * are set to the state compatible with the standard VGA modes. 129248104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 129348104Syokota * the new mode correctly. 129439287Ssos */ 129548104Syokota if (VESA_MODE(adp->va_mode)) { 1296198858Sjkim if (!VESA_MODE(mode) && 1297198858Sjkim (*prevvidsw->get_info)(adp, mode, &info) == 0) { 1298204265Sjkim if ((adp->va_flags & V_ADP_DAC8) != 0) { 1299204265Sjkim vesa_bios_set_dac(6); 1300204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1301204265Sjkim } 130248104Syokota int10_set_mode(adp->va_initial_bios_mode); 130348104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1304248799Sjkim pmap_unmapdev(adp->va_buffer, vesa_vmem_max); 130548104Syokota /* 130648104Syokota * Once (*prevvidsw->get_info)() succeeded, 130748104Syokota * (*prevvidsw->set_mode)() below won't fail... 130848104Syokota */ 130939287Ssos } 131039287Ssos } 131139287Ssos 131239287Ssos /* we may not need to handle this mode after all... */ 1313198858Sjkim if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0) 1314198251Sjkim return (0); 131539287Ssos 131639287Ssos /* is the new mode supported? */ 131742504Syokota if (vesa_get_info(adp, mode, &info)) 1318198251Sjkim return (1); 131939287Ssos /* assert(VESA_MODE(mode)); */ 132039287Ssos 132142504Syokota#if VESA_DEBUG > 0 132239287Ssos printf("VESA: about to set a VESA mode...\n"); 132339287Ssos#endif 132448104Syokota /* don't use the linear frame buffer for text modes. XXX */ 132548104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 132648104Syokota info.vi_flags &= ~V_INFO_LINEAR; 132739287Ssos 1328231842Sjkim if ((info.vi_flags & V_INFO_LINEAR) != 0) 1329231842Sjkim mode |= 0x4000; 1330233042Sjkim if (vesa_bios_set_mode(mode | 0x8000)) 1331198251Sjkim return (1); 133239287Ssos 1333204265Sjkim /* Palette format is reset by the above VBE function call. */ 1334204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1335198858Sjkim 1336204265Sjkim if ((vesa_adp_info->v_flags & V_DAC8) != 0 && 1337204265Sjkim (info.vi_flags & V_INFO_GRAPHICS) != 0 && 1338204265Sjkim vesa_bios_set_dac(8) > 6) 1339204265Sjkim adp->va_flags |= V_ADP_DAC8; 1340204265Sjkim 134148104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1342248799Sjkim pmap_unmapdev(adp->va_buffer, vesa_vmem_max); 134348104Syokota 134442504Syokota#if VESA_DEBUG > 0 134539287Ssos printf("VESA: mode set!\n"); 134639287Ssos#endif 1347231842Sjkim vesa_adp->va_mode = mode & 0x1ff; /* Mode number is 9-bit. */ 134839287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 134939287Ssos vesa_adp->va_flags |= 135039287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 135139287Ssos vesa_adp->va_crtc_addr = 135242504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 1353205564Sjkim 1354205564Sjkim vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height; 1355205564Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1356205564Sjkim vesa_adp->va_line_width /= info.vi_planes; 1357205564Sjkim 1358205653Sjkim#ifdef MODE_TABLE_BROKEN 1359205564Sjkim /* If VBE function returns bigger bytes per scan line, use it. */ 1360205653Sjkim { 1361205653Sjkim int bpsl = vesa_bios_get_line_length(); 1362205653Sjkim if (bpsl > vesa_adp->va_line_width) { 1363205653Sjkim vesa_adp->va_line_width = bpsl; 1364205653Sjkim info.vi_buffer_size = bpsl * info.vi_height; 1365205653Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1366205653Sjkim info.vi_buffer_size *= info.vi_planes; 1367205653Sjkim } 1368205564Sjkim } 1369205653Sjkim#endif 1370205564Sjkim 137148104Syokota if (info.vi_flags & V_INFO_LINEAR) { 137248104Syokota#if VESA_DEBUG > 1 137348104Syokota printf("VESA: setting up LFB\n"); 137448104Syokota#endif 137548104Syokota vesa_adp->va_buffer = 1376203530Sjkim (vm_offset_t)pmap_mapdev_attr(info.vi_buffer, 1377248799Sjkim vesa_vmem_max, PAT_WRITE_COMBINING); 137848104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 1379203535Sjkim vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes; 1380203535Sjkim vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes; 138148104Syokota } else { 138239287Ssos vesa_adp->va_buffer = 0; 1383203451Sjkim vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window); 1384196704Sdelphij vesa_adp->va_window_size = info.vi_window_size; 1385196704Sdelphij vesa_adp->va_window_gran = info.vi_window_gran; 138639287Ssos } 1387203535Sjkim vesa_adp->va_buffer_size = info.vi_buffer_size; 138848104Syokota vesa_adp->va_window_orig = 0; 138948104Syokota vesa_adp->va_disp_start.x = 0; 139048104Syokota vesa_adp->va_disp_start.y = 0; 139143664Syokota#if VESA_DEBUG > 0 1392197496Sjkim printf("vesa_set_mode(): vi_width:%d, line_width:%d\n", 1393197496Sjkim info.vi_width, vesa_adp->va_line_width); 139443664Syokota#endif 139543674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 139639287Ssos 139742504Syokota /* move hardware cursor out of the way */ 139843674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 139942504Syokota 1400198251Sjkim return (0); 140139287Ssos} 140239287Ssos 140339287Ssosstatic int 1404150686Smariusvesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1405150686Smarius u_char *data, int ch, int count) 140639287Ssos{ 1407198251Sjkim 1408198251Sjkim return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data, 1409198251Sjkim ch, count)); 141039287Ssos} 141139287Ssos 141239287Ssosstatic int 1413150686Smariusvesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1414150686Smarius u_char *data, int ch, int count) 141539287Ssos{ 1416198251Sjkim 1417198251Sjkim return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data, 1418198251Sjkim ch, count)); 141939287Ssos} 142039287Ssos 142139287Ssosstatic int 142242504Syokotavesa_show_font(video_adapter_t *adp, int page) 142339287Ssos{ 1424198251Sjkim 1425198251Sjkim return ((*prevvidsw->show_font)(adp, page)); 142639287Ssos} 142739287Ssos 142839287Ssosstatic int 142942504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 143039287Ssos{ 143142729Syokota int bits; 143239287Ssos 1433205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1434204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1435205558Sjkim if (vesa_bios_save_palette(0, 256, palette, bits) == 0) 1436205558Sjkim return (0); 1437203078Sjkim } 143842729Syokota 1439198251Sjkim return ((*prevvidsw->save_palette)(adp, palette)); 144039287Ssos} 144139287Ssos 144239287Ssosstatic int 144342504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 144439287Ssos{ 144542729Syokota int bits; 144639287Ssos 1447205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1448204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1449205558Sjkim if (vesa_bios_load_palette(0, 256, palette, bits) == 0) 1450205558Sjkim return (0); 1451203078Sjkim } 145242729Syokota 1453198251Sjkim return ((*prevvidsw->load_palette)(adp, palette)); 145439287Ssos} 145539287Ssos 145639287Ssosstatic int 145742504Syokotavesa_set_border(video_adapter_t *adp, int color) 145839287Ssos{ 1459198251Sjkim 1460198251Sjkim return ((*prevvidsw->set_border)(adp, color)); 146139287Ssos} 146239287Ssos 146339287Ssosstatic int 146442504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 146539287Ssos{ 1466233056Sjkim vm_offset_t buf; 1467233056Sjkim size_t bsize; 1468198251Sjkim 1469233896Sjkim if (adp != vesa_adp || (size == 0 && vesa_state_buf_size == 0)) 1470198251Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 147139287Ssos 1472233896Sjkim bsize = offsetof(adp_state_t, regs) + vesa_state_buf_size; 147339287Ssos if (size == 0) 1474233896Sjkim return (bsize); 1475233896Sjkim if (vesa_state_buf_size > 0 && size < bsize) 1476232069Sjkim return (EINVAL); 147739287Ssos 1478233896Sjkim if (VESA_MODE(adp->va_mode) && adp->va_buffer != 0) { 1479233896Sjkim buf = adp->va_buffer; 1480233896Sjkim bsize = adp->va_buffer_size; 1481233896Sjkim } else { 1482233896Sjkim buf = adp->va_window; 1483233896Sjkim bsize = adp->va_window_size; 1484233896Sjkim } 1485233056Sjkim if (buf != 0) { 1486233056Sjkim vesa_vmem_buf = malloc(bsize, M_DEVBUF, M_NOWAIT); 1487233056Sjkim if (vesa_vmem_buf != NULL) 1488233056Sjkim bcopy((void *)buf, vesa_vmem_buf, bsize); 1489233187Sjkim } else 1490233187Sjkim vesa_vmem_buf = NULL; 1491233896Sjkim if (vesa_state_buf_size == 0) 1492233896Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 149339287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 1494210016Sjkim return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs)); 149539287Ssos} 149639287Ssos 149739287Ssosstatic int 149842504Syokotavesa_load_state(video_adapter_t *adp, void *p) 149939287Ssos{ 1500233056Sjkim vm_offset_t buf; 1501233056Sjkim size_t bsize; 1502233896Sjkim int error, mode; 1503198251Sjkim 1504232069Sjkim if (adp != vesa_adp) 1505198251Sjkim return ((*prevvidsw->load_state)(adp, p)); 150639287Ssos 1507198964Sjkim /* Try BIOS POST to restore a sane state. */ 1508198964Sjkim (void)vesa_bios_post(); 1509231843Sjkim mode = adp->va_mode; 1510233896Sjkim error = vesa_set_mode(adp, adp->va_initial_mode); 1511232061Sjkim if (mode != adp->va_initial_mode) 1512233896Sjkim error = vesa_set_mode(adp, mode); 1513198419Sjkim 1514233187Sjkim if (vesa_vmem_buf != NULL) { 1515233896Sjkim if (error == 0) { 1516233896Sjkim if (VESA_MODE(mode) && adp->va_buffer != 0) { 1517233896Sjkim buf = adp->va_buffer; 1518233896Sjkim bsize = adp->va_buffer_size; 1519233896Sjkim } else { 1520233896Sjkim buf = adp->va_window; 1521233896Sjkim bsize = adp->va_window_size; 1522233896Sjkim } 1523233896Sjkim if (buf != 0) 1524233896Sjkim bcopy(vesa_vmem_buf, (void *)buf, bsize); 1525233896Sjkim } 1526233056Sjkim free(vesa_vmem_buf, M_DEVBUF); 1527233056Sjkim } 1528233896Sjkim if (((adp_state_t *)p)->sig != V_STATE_SIG) 1529233896Sjkim return ((*prevvidsw->load_state)(adp, p)); 1530210016Sjkim return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs)); 153139287Ssos} 153239287Ssos 153348399Speter#if 0 153439287Ssosstatic int 153548104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 153648104Syokota{ 1537197383Sdelphij x86regs_t regs; 153848104Syokota 1539198251Sjkim x86bios_init_regs(®s); 1540198251Sjkim regs.R_AX = 0x4f05; 1541198251Sjkim regs.R_BL = 0x10; 1542197025Sdelphij 1543197466Sjkim x86bios_intr(®s, 0x10); 1544197383Sdelphij 1545198251Sjkim if (regs.R_AX != 0x004f) 1546198251Sjkim return (1); 1547197387Sdelphij *offset = regs.DX * adp->va_window_gran; 1548197025Sdelphij 1549198251Sjkim return (0); 155048104Syokota} 155148399Speter#endif 155248104Syokota 155348104Syokotastatic int 155442504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 155539287Ssos{ 1556197383Sdelphij x86regs_t regs; 1557197383Sdelphij 155839287Ssos /* 155939287Ssos * This function should return as quickly as possible to 156039287Ssos * maintain good performance of the system. For this reason, 156139287Ssos * error checking is kept minimal and let the VESA BIOS to 156239287Ssos * detect error. 156339287Ssos */ 156442504Syokota if (adp != vesa_adp) 1565198251Sjkim return ((*prevvidsw->set_win_org)(adp, offset)); 156639287Ssos 156748104Syokota /* if this is a linear frame buffer, do nothing */ 156848104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1569198251Sjkim return (0); 157048104Syokota /* XXX */ 157148104Syokota if (adp->va_window_gran == 0) 1572198251Sjkim return (1); 157348104Syokota 1574198251Sjkim x86bios_init_regs(®s); 1575198251Sjkim regs.R_AX = 0x4f05; 1576198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1577198251Sjkim 1578197466Sjkim x86bios_intr(®s, 0x10); 1579197025Sdelphij 1580198251Sjkim if (regs.R_AX != 0x004f) 1581198251Sjkim return (1); 1582197025Sdelphij 1583198251Sjkim x86bios_init_regs(®s); 1584198251Sjkim regs.R_AX = 0x4f05; 1585198251Sjkim regs.R_BL = 1; 1586198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1587197466Sjkim x86bios_intr(®s, 0x10); 1588197025Sdelphij 158948104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 1590198251Sjkim return (0); /* XXX */ 159139287Ssos} 159239287Ssos 159339287Ssosstatic int 159442504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 159539287Ssos{ 1596198251Sjkim 1597198251Sjkim return ((*prevvidsw->read_hw_cursor)(adp, col, row)); 159839287Ssos} 159939287Ssos 160039287Ssosstatic int 160142504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 160239287Ssos{ 1603198251Sjkim 1604198251Sjkim return ((*prevvidsw->set_hw_cursor)(adp, col, row)); 160539287Ssos} 160639287Ssos 160739287Ssosstatic int 160842504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 160942504Syokota int celsize, int blink) 161039287Ssos{ 1611198251Sjkim 1612198251Sjkim return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 1613198251Sjkim blink)); 161442504Syokota} 161542504Syokota 161642504Syokotastatic int 161748104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 161842504Syokota{ 1619198251Sjkim 162048104Syokota /* XXX: use VESA DPMS */ 1621198251Sjkim return ((*prevvidsw->blank_display)(adp, mode)); 162242504Syokota} 162342504Syokota 162442504Syokotastatic int 1625201223Srnolandvesa_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 1626201223Srnoland int prot, vm_memattr_t *memattr) 162742504Syokota{ 1628198251Sjkim 162948104Syokota#if VESA_DEBUG > 0 1630201223Srnoland printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%jx\n", 163148104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 163242504Syokota#endif 163339287Ssos 1634198251Sjkim if ((adp == vesa_adp) && 1635198251Sjkim (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) { 163648104Syokota /* va_window_size == va_buffer_size/vi_planes */ 163748104Syokota /* XXX: is this correct? */ 163848104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 1639198251Sjkim return (-1); 1640111462Smux *paddr = adp->va_info.vi_buffer + offset; 1641198251Sjkim return (0); 164248104Syokota } 1643201223Srnoland return ((*prevvidsw->mmap)(adp, offset, paddr, prot, memattr)); 164448104Syokota} 164548104Syokota 164648104Syokotastatic int 164748104Syokotavesa_clear(video_adapter_t *adp) 164848104Syokota{ 1649198251Sjkim 1650198251Sjkim return ((*prevvidsw->clear)(adp)); 165148104Syokota} 165248104Syokota 165348104Syokotastatic int 165448104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 165548104Syokota{ 1656198251Sjkim 1657198251Sjkim return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy)); 165848104Syokota} 165948104Syokota 166048104Syokotastatic int 166148104Syokotavesa_bitblt(video_adapter_t *adp,...) 166248104Syokota{ 1663198251Sjkim 166448104Syokota /* FIXME */ 1665198251Sjkim return (1); 166648104Syokota} 166748104Syokota 166848104Syokotastatic int 166948104Syokotaget_palette(video_adapter_t *adp, int base, int count, 167048104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 167148104Syokota{ 167248104Syokota u_char *r; 167348104Syokota u_char *g; 167448104Syokota u_char *b; 167548104Syokota int bits; 167648104Syokota int error; 167748104Syokota 1678203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1679198251Sjkim return (1); 1680101557Srwatson if ((base + count) > 256) 1681198251Sjkim return (1); 1682203078Sjkim if (!VESA_MODE(adp->va_mode)) 1683198251Sjkim return (1); 168448104Syokota 1685204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1686198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 168748104Syokota g = r + count; 168848104Syokota b = g + count; 168948104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 169048104Syokota if (error == 0) { 169148104Syokota copyout(r, red, count); 169248104Syokota copyout(g, green, count); 169348104Syokota copyout(b, blue, count); 169448104Syokota if (trans != NULL) { 169548104Syokota bzero(r, count); 169648104Syokota copyout(r, trans, count); 169748104Syokota } 169848104Syokota } 169948104Syokota free(r, M_DEVBUF); 170048104Syokota 1701198251Sjkim return (error); 170248104Syokota} 170348104Syokota 170448104Syokotastatic int 170548104Syokotaset_palette(video_adapter_t *adp, int base, int count, 170648104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 170748104Syokota{ 170848104Syokota u_char *r; 170948104Syokota u_char *g; 171048104Syokota u_char *b; 171148104Syokota int bits; 171248104Syokota int error; 171348104Syokota 1714203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1715198251Sjkim return (1); 1716203078Sjkim if ((base + count) > 256) 1717198251Sjkim return (1); 1718203078Sjkim if (!VESA_MODE(adp->va_mode)) 1719203078Sjkim return (1); 172048104Syokota 1721204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1722198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 172348104Syokota g = r + count; 172448104Syokota b = g + count; 172548104Syokota copyin(red, r, count); 172648104Syokota copyin(green, g, count); 172748104Syokota copyin(blue, b, count); 172848104Syokota 172948104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 173048104Syokota free(r, M_DEVBUF); 173148104Syokota 1732198858Sjkim return (error); 173348104Syokota} 173448104Syokota 173548104Syokotastatic int 173648104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 173748104Syokota{ 173850446Syokota int bytes; 173950446Syokota 174042504Syokota if (adp != vesa_adp) 1741198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 174248104Syokota 174348104Syokota switch (cmd) { 174448104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 174550792Syokota if (!VESA_MODE(adp->va_mode)) 174650792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 174748104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 174848104Syokota 174948104Syokota case FBIO_SETDISPSTART: /* set display start address */ 175050792Syokota if (!VESA_MODE(adp->va_mode)) 1751198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 175248104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 175348104Syokota ((video_display_start_t *)arg)->y)) 1754198251Sjkim return (ENODEV); 175548104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 175648104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 1757198251Sjkim return (0); 175848104Syokota 175948104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 176050792Syokota if (!VESA_MODE(adp->va_mode)) 1761198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 176250446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 1763198251Sjkim return (ENODEV); 176450446Syokota adp->va_line_width = bytes; 176550446Syokota#if VESA_DEBUG > 1 176650446Syokota printf("new line width:%d\n", adp->va_line_width); 176750446Syokota#endif 1768198251Sjkim return (0); 176948104Syokota 177048104Syokota case FBIO_GETPALETTE: /* get color palette */ 177148104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 177248104Syokota ((video_color_palette_t *)arg)->count, 177348104Syokota ((video_color_palette_t *)arg)->red, 177448104Syokota ((video_color_palette_t *)arg)->green, 177548104Syokota ((video_color_palette_t *)arg)->blue, 177648104Syokota ((video_color_palette_t *)arg)->transparent)) 1777198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1778198251Sjkim return (0); 177948104Syokota 178048104Syokota 178148104Syokota case FBIO_SETPALETTE: /* set color palette */ 178248104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 178348104Syokota ((video_color_palette_t *)arg)->count, 178448104Syokota ((video_color_palette_t *)arg)->red, 178548104Syokota ((video_color_palette_t *)arg)->green, 178648104Syokota ((video_color_palette_t *)arg)->blue, 178748104Syokota ((video_color_palette_t *)arg)->transparent)) 1788198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1789198251Sjkim return (0); 179048104Syokota 179148104Syokota case FBIOGETCMAP: /* get color palette */ 179248104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 179348104Syokota ((struct fbcmap *)arg)->count, 179448104Syokota ((struct fbcmap *)arg)->red, 179548104Syokota ((struct fbcmap *)arg)->green, 179648104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1797198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1798198251Sjkim return (0); 179948104Syokota 180048104Syokota case FBIOPUTCMAP: /* set color palette */ 180148104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 180248104Syokota ((struct fbcmap *)arg)->count, 180348104Syokota ((struct fbcmap *)arg)->red, 180448104Syokota ((struct fbcmap *)arg)->green, 180548104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1806198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1807198251Sjkim return (0); 180848104Syokota 180948104Syokota default: 1810198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 181148104Syokota } 181248104Syokota} 181348104Syokota 181448104Syokotastatic int 181548104Syokotavesa_diag(video_adapter_t *adp, int level) 181648104Syokota{ 181748104Syokota int error; 181848104Syokota 181948104Syokota /* call the previous handler first */ 182048104Syokota error = (*prevvidsw->diag)(adp, level); 182148104Syokota if (error) 1822198251Sjkim return (error); 182348104Syokota 182448104Syokota if (adp != vesa_adp) 1825198251Sjkim return (1); 182642504Syokota 182748104Syokota if (level <= 0) 1828198251Sjkim return (0); 182948104Syokota 1830198251Sjkim return (0); 183148104Syokota} 183248104Syokota 183348104Syokotastatic int 183448104Syokotavesa_bios_info(int level) 183548104Syokota{ 183648104Syokota#if VESA_DEBUG > 1 183748104Syokota struct vesa_mode vmode; 183848104Syokota int i; 183939591Syokota#endif 1840198251Sjkim uint16_t vers; 184139591Syokota 1842198251Sjkim vers = vesa_adp_info->v_version; 1843198251Sjkim 1844131398Sjhb if (bootverbose) { 1845131398Sjhb /* general adapter information */ 1846131398Sjhb printf( 1847131398Sjhb "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 1848198251Sjkim (vers >> 12) * 10 + ((vers & 0x0f00) >> 8), 1849198251Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f), 1850131398Sjhb vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 1851131398Sjhb vesa_vmodetab, vesa_adp_info->v_modetable); 185239287Ssos 1853131398Sjhb /* OEM string */ 1854131398Sjhb if (vesa_oemstr != NULL) 1855131398Sjhb printf("VESA: %s\n", vesa_oemstr); 1856131398Sjhb } 1857131398Sjhb 185839287Ssos if (level <= 0) 1859198251Sjkim return (0); 186039287Ssos 1861198251Sjkim if (vers >= 0x0200 && bootverbose) { 186248104Syokota /* vender name, product name, product revision */ 186348104Syokota printf("VESA: %s %s %s\n", 186448104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 186548104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 186648104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 186739287Ssos } 186839287Ssos 186942504Syokota#if VESA_DEBUG > 1 187039287Ssos /* mode information */ 187139858Syokota for (i = 0; 187239858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 187339858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 1874209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_NOWAIT)) 187539287Ssos continue; 187639287Ssos 187739287Ssos /* print something for diagnostic purpose */ 187839287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 187939287Ssos vesa_vmodetab[i], vmode.v_modeattr); 188039287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 188139287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 188239287Ssos printf(", G %dx%dx%d %d, ", 188339287Ssos vmode.v_width, vmode.v_height, 188439287Ssos vmode.v_bpp, vmode.v_planes); 188539287Ssos } else { 188639287Ssos printf(", T %dx%d, ", 188739287Ssos vmode.v_width, vmode.v_height); 188839287Ssos } 188948104Syokota printf("font:%dx%d, ", 189039287Ssos vmode.v_cwidth, vmode.v_cheight); 189148104Syokota printf("pages:%d, mem:%d", 189248104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 189339287Ssos } 189439287Ssos if (vmode.v_modeattr & V_MODELFB) { 189548104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 189648104Syokota vmode.v_lfb, vmode.v_offscreen, 189748104Syokota vmode.v_offscreensize*1024); 189839287Ssos } 189939287Ssos printf("\n"); 190039287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 190139287Ssos vmode.v_waseg, vmode.v_waattr, 190239287Ssos vmode.v_wbseg, vmode.v_wbattr); 190339287Ssos printf("size:%dk, gran:%dk\n", 190439287Ssos vmode.v_wsize, vmode.v_wgran); 190539287Ssos } 190648104Syokota#endif /* VESA_DEBUG > 1 */ 190739287Ssos 1908198251Sjkim return (0); 190939287Ssos} 191039287Ssos 191139287Ssos/* module loading */ 191239287Ssos 191342504Syokotastatic int 191439287Ssosvesa_load(void) 191539287Ssos{ 191639287Ssos int error; 191739287Ssos 191839287Ssos if (vesa_init_done) 1919198251Sjkim return (0); 192039287Ssos 1921210994Sjkim mtx_init(&vesa_lock, "VESA lock", NULL, MTX_DEF); 1922210994Sjkim 192342504Syokota /* locate a VGA adapter */ 192439287Ssos vesa_adp = NULL; 192542504Syokota error = vesa_configure(0); 192639287Ssos 192739287Ssos if (error == 0) 192848104Syokota vesa_bios_info(bootverbose); 192939287Ssos 1930198251Sjkim return (error); 193139287Ssos} 193239287Ssos 193339287Ssosstatic int 193442179Syokotavesa_unload(void) 193539287Ssos{ 193645117Syokota u_char palette[256*3]; 193739287Ssos int error; 193839287Ssos 193939287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 194039287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 1941198251Sjkim return (EBUSY); 194239287Ssos /* 194339287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 194439287Ssos * we shouldn't be unloading! XXX 194539287Ssos */ 194639287Ssos 194739287Ssos if ((error = vesa_unload_ioctl()) == 0) { 194844162Syokota if (vesa_adp != NULL) { 1949204265Sjkim if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) { 1950204265Sjkim vesa_bios_save_palette(0, 256, palette, 8); 1951204265Sjkim vesa_bios_set_dac(6); 1952204265Sjkim vesa_adp->va_flags &= ~V_ADP_DAC8; 1953204265Sjkim vesa_bios_load_palette(0, 256, palette, 6); 195445117Syokota } 195539287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 195644162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 195744162Syokota } 195839287Ssos } 195939287Ssos 1960233054Sjkim vesa_bios_uninit(); 1961210994Sjkim mtx_destroy(&vesa_lock); 1962210994Sjkim 1963198251Sjkim return (error); 196439287Ssos} 196539287Ssos 196642179Syokotastatic int 196742179Syokotavesa_mod_event(module_t mod, int type, void *data) 196839287Ssos{ 1969198251Sjkim 197042179Syokota switch (type) { 197142179Syokota case MOD_LOAD: 1972198251Sjkim return (vesa_load()); 197342179Syokota case MOD_UNLOAD: 1974198251Sjkim return (vesa_unload()); 197542179Syokota } 1976198251Sjkim return (EOPNOTSUPP); 197739287Ssos} 197839287Ssos 197942179Syokotastatic moduledata_t vesa_mod = { 198042179Syokota "vesa", 198142179Syokota vesa_mod_event, 198242179Syokota NULL, 198342179Syokota}; 198439287Ssos 198542504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1986197383SdelphijMODULE_DEPEND(vesa, x86bios, 1, 1, 1); 198742179Syokota 198856836Speter#endif /* VGA_NO_MODE_CHANGE */ 1989