vesa.c revision 211827
139287Ssos/*- 239643Syokota * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith 3205566Sjkim * Copyright (c) 2009-2010 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 211827 2010-08-25 22:09:02Z 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 83210016Sjkimstatic void *vesa_state_buf = NULL; 84210016Sjkimstatic uint32_t vesa_state_buf_offs = 0; 85210016Sjkimstatic ssize_t vesa_state_buf_size = 0; 86210016Sjkim 87210016Sjkimstatic u_char *vesa_palette = NULL; 88210016Sjkimstatic uint32_t vesa_palette_offs = 0; 89210016Sjkim 90211827Sjkimstatic void *vesa_bios = NULL; 91211827Sjkimstatic uint32_t vesa_bios_offs = VESA_BIOS_OFFSET; 92211827Sjkimstatic uint32_t vesa_bios_int10 = 0; 93211827Sjkimstatic size_t vesa_bios_size = 0; 94211827Sjkim 9539287Ssos/* VESA video adapter */ 9639287Ssosstatic video_adapter_t *vesa_adp = NULL; 9739287Ssos 98211827SjkimSYSCTL_NODE(_debug, OID_AUTO, vesa, CTLFLAG_RD, NULL, "VESA debugging"); 99211827Sjkimstatic int vesa_shadow_rom = 1; 100211827SjkimTUNABLE_INT("debug.vesa.shadow_rom", &vesa_shadow_rom); 101211827SjkimSYSCTL_INT(_debug_vesa, OID_AUTO, shadow_rom, CTLFLAG_RDTUN, &vesa_shadow_rom, 102211827Sjkim 1, "Enable video BIOS shadow"); 103211827Sjkim 10439287Ssos/* VESA functions */ 10548399Speter#if 0 10642504Syokotastatic int vesa_nop(void); 10748399Speter#endif 10848104Syokotastatic int vesa_error(void); 10942504Syokotastatic vi_probe_t vesa_probe; 11039287Ssosstatic vi_init_t vesa_init; 11139287Ssosstatic vi_get_info_t vesa_get_info; 11239287Ssosstatic vi_query_mode_t vesa_query_mode; 11339287Ssosstatic vi_set_mode_t vesa_set_mode; 11439287Ssosstatic vi_save_font_t vesa_save_font; 11539287Ssosstatic vi_load_font_t vesa_load_font; 11639287Ssosstatic vi_show_font_t vesa_show_font; 11739287Ssosstatic vi_save_palette_t vesa_save_palette; 11839287Ssosstatic vi_load_palette_t vesa_load_palette; 11939287Ssosstatic vi_set_border_t vesa_set_border; 12039287Ssosstatic vi_save_state_t vesa_save_state; 12139287Ssosstatic vi_load_state_t vesa_load_state; 12239287Ssosstatic vi_set_win_org_t vesa_set_origin; 12339287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 12439287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 12542504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 12648104Syokotastatic vi_blank_display_t vesa_blank_display; 12742504Syokotastatic vi_mmap_t vesa_mmap; 12848104Syokotastatic vi_ioctl_t vesa_ioctl; 12948104Syokotastatic vi_clear_t vesa_clear; 13048104Syokotastatic vi_fill_rect_t vesa_fill_rect; 13148104Syokotastatic vi_bitblt_t vesa_bitblt; 13239287Ssosstatic vi_diag_t vesa_diag; 13348104Syokotastatic int vesa_bios_info(int level); 13439287Ssos 13542504Syokotastatic video_switch_t vesavidsw = { 13642504Syokota vesa_probe, 13742504Syokota vesa_init, 13842504Syokota vesa_get_info, 13942504Syokota vesa_query_mode, 14042504Syokota vesa_set_mode, 14142504Syokota vesa_save_font, 14242504Syokota vesa_load_font, 14342504Syokota vesa_show_font, 14442504Syokota vesa_save_palette, 14542504Syokota vesa_load_palette, 14642504Syokota vesa_set_border, 14742504Syokota vesa_save_state, 14842504Syokota vesa_load_state, 14942504Syokota vesa_set_origin, 15042504Syokota vesa_read_hw_cursor, 15142504Syokota vesa_set_hw_cursor, 15242504Syokota vesa_set_hw_cursor_shape, 15348104Syokota vesa_blank_display, 15442504Syokota vesa_mmap, 15548104Syokota vesa_ioctl, 15648104Syokota vesa_clear, 15748104Syokota vesa_fill_rect, 15848104Syokota vesa_bitblt, 15948104Syokota vesa_error, 16048104Syokota vesa_error, 16139287Ssos vesa_diag, 16239287Ssos}; 16339287Ssos 16442504Syokotastatic video_switch_t *prevvidsw; 16539287Ssos 16639287Ssos/* VESA BIOS video modes */ 16739287Ssos#define VESA_MAXMODES 64 16839287Ssos#define EOT (-1) 16939287Ssos#define NA (-2) 17039287Ssos 17148104Syokota#define MODE_TABLE_DELTA 8 17239287Ssos 17348104Syokotastatic int vesa_vmode_max = 0; 17448104Syokotastatic video_info_t vesa_vmode_empty = { EOT }; 17548104Syokotastatic video_info_t *vesa_vmode = &vesa_vmode_empty; 17648104Syokota 17739287Ssosstatic int vesa_init_done = FALSE; 17839287Ssosstatic int has_vesa_bios = FALSE; 17939287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 18039287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 18139858Syokotastatic char *vesa_oemstr = NULL; 18239858Syokotastatic char *vesa_venderstr = NULL; 18339858Syokotastatic char *vesa_prodstr = NULL; 18439858Syokotastatic char *vesa_revstr = NULL; 18539287Ssos 18639287Ssos/* local macros and functions */ 18739287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 18839287Ssos 18942504Syokotastatic int int10_set_mode(int mode); 190198251Sjkimstatic int vesa_bios_post(void); 191209491Sjkimstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags); 19239287Ssosstatic int vesa_bios_set_mode(int mode); 193204265Sjkim#if 0 19445117Syokotastatic int vesa_bios_get_dac(void); 195204265Sjkim#endif 19639287Ssosstatic int vesa_bios_set_dac(int bits); 19742729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 19842729Syokota int bits); 19948104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 20048104Syokota u_char *b, int bits); 20142729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 20242729Syokota int bits); 20348104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 20448104Syokota u_char *b, int bits); 20539287Ssos#define STATE_SIZE 0 20639287Ssos#define STATE_SAVE 1 20739287Ssos#define STATE_LOAD 2 20839287Ssos#define STATE_HW (1<<0) 20939287Ssos#define STATE_DATA (1<<1) 21039287Ssos#define STATE_DAC (1<<2) 21139287Ssos#define STATE_REG (1<<3) 21239287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 21339287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 214198419Sjkimstatic ssize_t vesa_bios_state_buf_size(void); 215210016Sjkimstatic int vesa_bios_save_restore(int code, void *p); 216205653Sjkim#ifdef MODE_TABLE_BROKEN 21743664Syokotastatic int vesa_bios_get_line_length(void); 218205653Sjkim#endif 21950446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 22048399Speter#if 0 22148104Syokotastatic int vesa_bios_get_start(int *x, int *y); 22248399Speter#endif 22348104Syokotastatic int vesa_bios_set_start(int x, int y); 22439591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 22539591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 22648104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 227205564Sjkimstatic int vesa_get_bpscanline(struct vesa_mode *vmode); 22839287Ssosstatic int vesa_bios_init(void); 22939591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 23039287Ssos 23148399Speter#if 0 23248104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 23348399Speter#endif 23448104Syokota 23542504Syokota/* INT 10 BIOS calls */ 23642504Syokotastatic int 23742504Syokotaint10_set_mode(int mode) 23842504Syokota{ 239197383Sdelphij x86regs_t regs; 24042504Syokota 241198251Sjkim x86bios_init_regs(®s); 242198251Sjkim regs.R_AL = mode; 243197383Sdelphij 244197466Sjkim x86bios_intr(®s, 0x10); 245197383Sdelphij 246198251Sjkim return (0); 24742504Syokota} 24842504Syokota 249198251Sjkimstatic int 250198251Sjkimvesa_bios_post(void) 251198251Sjkim{ 252198251Sjkim x86regs_t regs; 253198251Sjkim devclass_t dc; 254198251Sjkim device_t *devs; 255198251Sjkim device_t dev; 256198251Sjkim int count, i, is_pci; 257198251Sjkim 258211827Sjkim if (x86bios_get_orm(vesa_bios_offs) == NULL) 259198251Sjkim return (1); 260198251Sjkim 261198251Sjkim dev = NULL; 262198251Sjkim is_pci = 0; 263198251Sjkim 264198251Sjkim /* Find the matching PCI video controller. */ 265198251Sjkim dc = devclass_find("vgapci"); 266198251Sjkim if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) { 267208276Sjkim for (i = 0; i < count; i++) 268208276Sjkim if (device_get_flags(devs[i]) != 0 && 269211827Sjkim x86bios_match_device(vesa_bios_offs, devs[i])) { 270208276Sjkim dev = devs[i]; 271198251Sjkim is_pci = 1; 272198251Sjkim break; 273198251Sjkim } 274198251Sjkim free(devs, M_TEMP); 275198251Sjkim } 276198251Sjkim 277198251Sjkim /* Try VGA if a PCI device is not found. */ 278198251Sjkim if (dev == NULL) { 279198251Sjkim dc = devclass_find(VGA_DRIVER_NAME); 280198251Sjkim if (dc != NULL) 281198251Sjkim dev = devclass_get_device(dc, 0); 282198251Sjkim } 283198251Sjkim 284198251Sjkim if (bootverbose) 285198251Sjkim printf("%s: calling BIOS POST\n", 286198251Sjkim dev == NULL ? "VESA" : device_get_nameunit(dev)); 287198251Sjkim 288198251Sjkim x86bios_init_regs(®s); 289198251Sjkim if (is_pci) { 290198251Sjkim regs.R_AH = pci_get_bus(dev); 291198251Sjkim regs.R_AL = (pci_get_slot(dev) << 3) | 292198251Sjkim (pci_get_function(dev) & 0x07); 293198251Sjkim } 294198251Sjkim regs.R_DL = 0x80; 295211827Sjkim x86bios_call(®s, X86BIOS_PHYSTOSEG(vesa_bios_offs + 3), 296211827Sjkim X86BIOS_PHYSTOOFF(vesa_bios_offs + 3)); 297198419Sjkim 298198419Sjkim if (x86bios_get_intr(0x10) == 0) 299198419Sjkim return (1); 300198419Sjkim 301198251Sjkim return (0); 302198251Sjkim} 303198251Sjkim 30439287Ssos/* VESA BIOS calls */ 30539287Ssosstatic int 306209491Sjkimvesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags) 30739287Ssos{ 308197383Sdelphij x86regs_t regs; 309198251Sjkim uint32_t offs; 310198251Sjkim void *buf; 31139287Ssos 312209491Sjkim buf = x86bios_alloc(&offs, sizeof(*vmode), flags); 313198251Sjkim if (buf == NULL) 314198251Sjkim return (1); 31544846Sjlemon 316198251Sjkim x86bios_init_regs(®s); 317198251Sjkim regs.R_AX = 0x4f01; 318198251Sjkim regs.R_CX = mode; 319197025Sdelphij 320198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 321198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 322197025Sdelphij 323197466Sjkim x86bios_intr(®s, 0x10); 324197383Sdelphij 325198251Sjkim if (regs.R_AX != 0x004f) { 326198251Sjkim x86bios_free(buf, sizeof(*vmode)); 327198251Sjkim return (1); 328197383Sdelphij } 329197025Sdelphij 33039287Ssos bcopy(buf, vmode, sizeof(*vmode)); 331198251Sjkim x86bios_free(buf, sizeof(*vmode)); 332197025Sdelphij 333198251Sjkim return (0); 33439287Ssos} 33539287Ssos 33639287Ssosstatic int 33739287Ssosvesa_bios_set_mode(int mode) 33839287Ssos{ 339197383Sdelphij x86regs_t regs; 34039287Ssos 341198251Sjkim x86bios_init_regs(®s); 342198251Sjkim regs.R_AX = 0x4f02; 343198251Sjkim regs.R_BX = mode; 344197025Sdelphij 345197466Sjkim x86bios_intr(®s, 0x10); 346197383Sdelphij 347198251Sjkim return (regs.R_AX != 0x004f); 34839287Ssos} 34939287Ssos 350204265Sjkim#if 0 35139287Ssosstatic int 35245117Syokotavesa_bios_get_dac(void) 35345117Syokota{ 354197383Sdelphij x86regs_t regs; 35545117Syokota 356198251Sjkim x86bios_init_regs(®s); 357198251Sjkim regs.R_AX = 0x4f08; 358198251Sjkim regs.R_BL = 1; 359197025Sdelphij 360197466Sjkim x86bios_intr(®s, 0x10); 361197383Sdelphij 362198251Sjkim if (regs.R_AX != 0x004f) 363198251Sjkim return (6); 364197025Sdelphij 365198251Sjkim return (regs.R_BH); 36645117Syokota} 367204265Sjkim#endif 36845117Syokota 36945117Syokotastatic int 37039287Ssosvesa_bios_set_dac(int bits) 37139287Ssos{ 372197383Sdelphij x86regs_t regs; 37339287Ssos 374198251Sjkim x86bios_init_regs(®s); 375198251Sjkim regs.R_AX = 0x4f08; 376198251Sjkim /* regs.R_BL = 0; */ 377198251Sjkim regs.R_BH = bits; 378197025Sdelphij 379197466Sjkim x86bios_intr(®s, 0x10); 380197383Sdelphij 381198251Sjkim if (regs.R_AX != 0x004f) 382198251Sjkim return (6); 383197025Sdelphij 384198251Sjkim return (regs.R_BH); 38539287Ssos} 38639287Ssos 38739287Ssosstatic int 38842729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 38939287Ssos{ 390197383Sdelphij x86regs_t regs; 39139287Ssos int i; 39239287Ssos 393198251Sjkim x86bios_init_regs(®s); 394198251Sjkim regs.R_AX = 0x4f09; 395198251Sjkim regs.R_BL = 1; 396198251Sjkim regs.R_CX = colors; 397198251Sjkim regs.R_DX = start; 398197025Sdelphij 399210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 400210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 401197025Sdelphij 402210994Sjkim bits = 8 - bits; 403210994Sjkim mtx_lock(&vesa_lock); 404197466Sjkim x86bios_intr(®s, 0x10); 405210994Sjkim if (regs.R_AX != 0x004f) { 406210994Sjkim mtx_unlock(&vesa_lock); 407198251Sjkim return (1); 408210994Sjkim } 40939287Ssos for (i = 0; i < colors; ++i) { 410210016Sjkim palette[i * 3] = vesa_palette[i * 4 + 2] << bits; 411210016Sjkim palette[i * 3 + 1] = vesa_palette[i * 4 + 1] << bits; 412210016Sjkim palette[i * 3 + 2] = vesa_palette[i * 4] << bits; 41339287Ssos } 414210994Sjkim mtx_unlock(&vesa_lock); 415197383Sdelphij 416198251Sjkim return (0); 41739287Ssos} 41839287Ssos 41939287Ssosstatic int 42048104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 42148104Syokota int bits) 42248104Syokota{ 423197383Sdelphij x86regs_t regs; 42448104Syokota int i; 42548104Syokota 426198251Sjkim x86bios_init_regs(®s); 427198251Sjkim regs.R_AX = 0x4f09; 428198251Sjkim regs.R_BL = 1; 429198251Sjkim regs.R_CX = colors; 430198251Sjkim regs.R_DX = start; 431197025Sdelphij 432210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 433210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 434197025Sdelphij 435210994Sjkim bits = 8 - bits; 436210994Sjkim mtx_lock(&vesa_lock); 437197466Sjkim x86bios_intr(®s, 0x10); 438210994Sjkim if (regs.R_AX != 0x004f) { 439210994Sjkim mtx_unlock(&vesa_lock); 440198251Sjkim return (1); 441210994Sjkim } 44248104Syokota for (i = 0; i < colors; ++i) { 443210016Sjkim r[i] = vesa_palette[i * 4 + 2] << bits; 444210016Sjkim g[i] = vesa_palette[i * 4 + 1] << bits; 445210016Sjkim b[i] = vesa_palette[i * 4] << bits; 44648104Syokota } 447210994Sjkim mtx_unlock(&vesa_lock); 448197383Sdelphij 449198251Sjkim return (0); 45048104Syokota} 45148104Syokota 45248104Syokotastatic int 45342729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 45439287Ssos{ 455197383Sdelphij x86regs_t regs; 45639287Ssos int i; 45739287Ssos 458198251Sjkim x86bios_init_regs(®s); 459198251Sjkim regs.R_AX = 0x4f09; 460198251Sjkim /* regs.R_BL = 0; */ 461198251Sjkim regs.R_CX = colors; 462198251Sjkim regs.R_DX = start; 463198251Sjkim 464210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 465210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 466198251Sjkim 46742729Syokota bits = 8 - bits; 468210994Sjkim mtx_lock(&vesa_lock); 46939287Ssos for (i = 0; i < colors; ++i) { 470210016Sjkim vesa_palette[i * 4] = palette[i * 3 + 2] >> bits; 471210016Sjkim vesa_palette[i * 4 + 1] = palette[i * 3 + 1] >> bits; 472210016Sjkim vesa_palette[i * 4 + 2] = palette[i * 3] >> bits; 473210016Sjkim vesa_palette[i * 4 + 3] = 0; 47439287Ssos } 475197466Sjkim x86bios_intr(®s, 0x10); 476210994Sjkim mtx_unlock(&vesa_lock); 477197025Sdelphij 478198251Sjkim return (regs.R_AX != 0x004f); 47939287Ssos} 48039287Ssos 48139287Ssosstatic int 48248104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 48348104Syokota int bits) 48448104Syokota{ 485197383Sdelphij x86regs_t regs; 48648104Syokota int i; 48748104Syokota 488198251Sjkim x86bios_init_regs(®s); 489198251Sjkim regs.R_AX = 0x4f09; 490198251Sjkim /* regs.R_BL = 0; */ 491198251Sjkim regs.R_CX = colors; 492198251Sjkim regs.R_DX = start; 493198251Sjkim 494210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 495210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 496198251Sjkim 49748104Syokota bits = 8 - bits; 498210994Sjkim mtx_lock(&vesa_lock); 49948104Syokota for (i = 0; i < colors; ++i) { 500210016Sjkim vesa_palette[i * 4] = b[i] >> bits; 501210016Sjkim vesa_palette[i * 4 + 1] = g[i] >> bits; 502210016Sjkim vesa_palette[i * 4 + 2] = r[i] >> bits; 503210016Sjkim vesa_palette[i * 4 + 3] = 0; 50448104Syokota } 505197466Sjkim x86bios_intr(®s, 0x10); 506210994Sjkim mtx_unlock(&vesa_lock); 507197025Sdelphij 508198251Sjkim return (regs.R_AX != 0x004f); 50948104Syokota} 51048104Syokota 511198419Sjkimstatic ssize_t 51239287Ssosvesa_bios_state_buf_size(void) 51339287Ssos{ 514197383Sdelphij x86regs_t regs; 51539287Ssos 516198251Sjkim x86bios_init_regs(®s); 517198251Sjkim regs.R_AX = 0x4f04; 518198251Sjkim /* regs.R_DL = STATE_SIZE; */ 519210016Sjkim regs.R_CX = STATE_MOST; 520197025Sdelphij 521197466Sjkim x86bios_intr(®s, 0x10); 522197383Sdelphij 523198251Sjkim if (regs.R_AX != 0x004f) 524198251Sjkim return (0); 525197025Sdelphij 526198251Sjkim return (regs.R_BX * 64); 52739287Ssos} 52839287Ssos 52939287Ssosstatic int 530210016Sjkimvesa_bios_save_restore(int code, void *p) 53139287Ssos{ 532197383Sdelphij x86regs_t regs; 53339287Ssos 534198251Sjkim if (code != STATE_SAVE && code != STATE_LOAD) 535198251Sjkim return (1); 536197025Sdelphij 537198251Sjkim x86bios_init_regs(®s); 538198251Sjkim regs.R_AX = 0x4f04; 539198251Sjkim regs.R_DL = code; 540210016Sjkim regs.R_CX = STATE_MOST; 541197025Sdelphij 542210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_state_buf_offs); 543210016Sjkim regs.R_BX = X86BIOS_PHYSTOOFF(vesa_state_buf_offs); 54444846Sjlemon 545210994Sjkim mtx_lock(&vesa_lock); 546198251Sjkim switch (code) { 547198251Sjkim case STATE_SAVE: 548198251Sjkim x86bios_intr(®s, 0x10); 549210016Sjkim bcopy(vesa_state_buf, p, vesa_state_buf_size); 550198251Sjkim break; 551198251Sjkim case STATE_LOAD: 552210016Sjkim bcopy(p, vesa_state_buf, vesa_state_buf_size); 553198251Sjkim x86bios_intr(®s, 0x10); 554198251Sjkim break; 555198251Sjkim } 556210994Sjkim mtx_unlock(&vesa_lock); 557197025Sdelphij 558198251Sjkim return (regs.R_AX != 0x004f); 55939287Ssos} 56039287Ssos 561205653Sjkim#ifdef MODE_TABLE_BROKEN 56243664Syokotastatic int 56343664Syokotavesa_bios_get_line_length(void) 56443664Syokota{ 565197383Sdelphij x86regs_t regs; 56643664Syokota 567198251Sjkim x86bios_init_regs(®s); 568198251Sjkim regs.R_AX = 0x4f06; 569198251Sjkim regs.R_BL = 1; 570197025Sdelphij 571197466Sjkim x86bios_intr(®s, 0x10); 572197383Sdelphij 573198251Sjkim if (regs.R_AX != 0x004f) 574198251Sjkim return (-1); 575197383Sdelphij 576198251Sjkim return (regs.R_BX); 57743664Syokota} 578205653Sjkim#endif 57943664Syokota 58048104Syokotastatic int 58150446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 58248104Syokota{ 583197383Sdelphij x86regs_t regs; 58448104Syokota 585198251Sjkim x86bios_init_regs(®s); 586198251Sjkim regs.R_AX = 0x4f06; 587198251Sjkim /* regs.R_BL = 0; */ 588198251Sjkim regs.R_CX = pixel; 589197025Sdelphij 590197466Sjkim x86bios_intr(®s, 0x10); 591197383Sdelphij 59248104Syokota#if VESA_DEBUG > 1 593197383Sdelphij printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX); 59448104Syokota#endif 595198251Sjkim if (regs.R_AX != 0x004f) 596198251Sjkim return (-1); 597197025Sdelphij 598198251Sjkim if (bytes != NULL) 599197383Sdelphij *bytes = regs.R_BX; 600198251Sjkim if (lines != NULL) 601197383Sdelphij *lines = regs.R_DX; 602197025Sdelphij 603198251Sjkim return (0); 60448104Syokota} 60548104Syokota 60648399Speter#if 0 60748104Syokotastatic int 60848104Syokotavesa_bios_get_start(int *x, int *y) 60948104Syokota{ 610197383Sdelphij x86regs_t regs; 61148104Syokota 612198251Sjkim x86bios_init_regs(®s); 613198251Sjkim regs.R_AX = 0x4f07; 614198251Sjkim regs.R_BL = 1; 615197025Sdelphij 616197466Sjkim x86bios_intr(®s, 0x10); 617197383Sdelphij 618198251Sjkim if (regs.R_AX != 0x004f) 619198251Sjkim return (-1); 620197025Sdelphij 621197383Sdelphij *x = regs.R_CX; 622197383Sdelphij *y = regs.R_DX; 623197025Sdelphij 624198251Sjkim return (0); 62548104Syokota} 62648399Speter#endif 62748104Syokota 62848104Syokotastatic int 62948104Syokotavesa_bios_set_start(int x, int y) 63048104Syokota{ 631197383Sdelphij x86regs_t regs; 63248104Syokota 633198251Sjkim x86bios_init_regs(®s); 634198251Sjkim regs.R_AX = 0x4f07; 635198251Sjkim regs.R_BL = 0x80; 636198251Sjkim regs.R_CX = x; 637198251Sjkim regs.R_DX = y; 638197025Sdelphij 639197466Sjkim x86bios_intr(®s, 0x10); 640197383Sdelphij 641198251Sjkim return (regs.R_AX != 0x004f); 64248104Syokota} 64348104Syokota 64439591Syokota/* map a generic video mode to a known mode */ 64539287Ssosstatic int 64639591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 64739287Ssos{ 64839591Syokota static struct { 64939591Syokota int from; 65039591Syokota int to; 65139591Syokota } mode_map[] = { 65239591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 65339591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 65439591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 65539591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 65639591Syokota }; 65739591Syokota int i; 65839591Syokota 65939591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 66039591Syokota if (mode_map[i].from == mode) 661198251Sjkim return (mode_map[i].to); 66239591Syokota } 663198251Sjkim return (mode); 66439591Syokota} 66539591Syokota 66639591Syokotastatic int 66739591Syokotavesa_translate_flags(u_int16_t vflags) 66839591Syokota{ 66939287Ssos static struct { 67039287Ssos u_int16_t mask; 67139287Ssos int set; 67239287Ssos int reset; 67339287Ssos } ftable[] = { 67439287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 67539287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 67642235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 677198858Sjkim { V_MODENONVGA, V_INFO_NONVGA, 0 }, 67839287Ssos }; 67939287Ssos int flags; 68039287Ssos int i; 68139287Ssos 68239287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 68339287Ssos flags |= (vflags & ftable[i].mask) ? 68439287Ssos ftable[i].set : ftable[i].reset; 68539287Ssos } 686198251Sjkim return (flags); 68739287Ssos} 68839287Ssos 68948104Syokotastatic int 69048104Syokotavesa_translate_mmodel(u_int8_t vmodel) 69148104Syokota{ 69248104Syokota static struct { 69348104Syokota u_int8_t vmodel; 69448104Syokota int mmodel; 69548104Syokota } mtable[] = { 69648104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 69748104Syokota { V_MMCGA, V_INFO_MM_CGA }, 69848104Syokota { V_MMHGC, V_INFO_MM_HGC }, 69948104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 70048104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 70148104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 70248104Syokota }; 70348104Syokota int i; 70448104Syokota 70548104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 70648104Syokota if (mtable[i].vmodel == vmodel) 707198251Sjkim return (mtable[i].mmodel); 70848104Syokota } 709198251Sjkim return (V_INFO_MM_OTHER); 71048104Syokota} 71148104Syokota 712205564Sjkimstatic int 713205564Sjkimvesa_get_bpscanline(struct vesa_mode *vmode) 714205564Sjkim{ 715205564Sjkim int bpsl; 716205564Sjkim 717205564Sjkim if ((vmode->v_modeattr & V_MODEGRAPHICS) != 0) { 718205564Sjkim /* Find the minimum length. */ 719205564Sjkim switch (vmode->v_bpp / vmode->v_planes) { 720205564Sjkim case 1: 721205564Sjkim bpsl = vmode->v_width / 8; 722205564Sjkim break; 723205564Sjkim case 2: 724205564Sjkim bpsl = vmode->v_width / 4; 725205564Sjkim break; 726205564Sjkim case 4: 727205564Sjkim bpsl = vmode->v_width / 2; 728205564Sjkim break; 729205564Sjkim default: 730205564Sjkim bpsl = vmode->v_width * ((vmode->v_bpp + 7) / 8); 731205564Sjkim bpsl /= vmode->v_planes; 732205564Sjkim break; 733205564Sjkim } 734205564Sjkim 735205564Sjkim /* Use VBE 3.0 information if it looks sane. */ 736205564Sjkim if ((vmode->v_modeattr & V_MODELFB) != 0 && 737205564Sjkim vesa_adp_info->v_version >= 0x0300 && 738205564Sjkim vmode->v_linbpscanline > bpsl) 739205564Sjkim return (vmode->v_linbpscanline); 740205564Sjkim 741205564Sjkim /* Return the minimum if the mode table looks absurd. */ 742205564Sjkim if (vmode->v_bpscanline < bpsl) 743205564Sjkim return (bpsl); 744205564Sjkim } 745205564Sjkim 746205564Sjkim return (vmode->v_bpscanline); 747205564Sjkim} 748205564Sjkim 749198251Sjkim#define VESA_MAXSTR 256 750198251Sjkim 751198251Sjkim#define VESA_STRCPY(dst, src) do { \ 752198251Sjkim char *str; \ 753198251Sjkim int i; \ 754198251Sjkim dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \ 755198251Sjkim str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \ 756198251Sjkim for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \ 757198251Sjkim dst[i] = str[i]; \ 758198251Sjkim dst[i] = '\0'; \ 759198251Sjkim} while (0) 760198251Sjkim 761197496Sjkimstatic int 76239287Ssosvesa_bios_init(void) 76339287Ssos{ 76439287Ssos struct vesa_mode vmode; 765206384Sjkim struct vesa_info *buf; 76648104Syokota video_info_t *p; 767197383Sdelphij x86regs_t regs; 768197496Sjkim size_t bsize; 769203535Sjkim size_t msize; 770198251Sjkim void *vmbuf; 771211827Sjkim uint8_t *vbios; 772198251Sjkim uint32_t offs; 773198251Sjkim uint16_t vers; 774117710Srobert int is_via_cle266; 77539287Ssos int modes; 77639287Ssos int i; 77739287Ssos 77839287Ssos if (vesa_init_done) 779198251Sjkim return (0); 78039287Ssos 78139287Ssos has_vesa_bios = FALSE; 78239287Ssos vesa_adp_info = NULL; 783211827Sjkim vesa_bios_offs = VESA_BIOS_OFFSET; 78448104Syokota vesa_vmode_max = 0; 78539287Ssos vesa_vmode[0].vi_mode = EOT; 78639287Ssos 787198251Sjkim /* 788198251Sjkim * If the VBE real mode interrupt vector is not found, try BIOS POST. 789198251Sjkim */ 790211827Sjkim vesa_bios_int10 = x86bios_get_intr(0x10); 791211827Sjkim if (vesa_bios_int10 == 0) { 792198251Sjkim if (vesa_bios_post() != 0) 793198251Sjkim return (1); 794211827Sjkim vesa_bios_int10 = x86bios_get_intr(0x10); 795211827Sjkim if (vesa_bios_int10 == 0) 796211827Sjkim return (1); 797198251Sjkim } 79844846Sjlemon 799211827Sjkim /* 800211827Sjkim * Shadow video ROM. 801211827Sjkim */ 802211827Sjkim offs = BIOS_SADDRTOLADDR(vesa_bios_int10); 803211827Sjkim if (vesa_shadow_rom) { 804211827Sjkim vbios = x86bios_get_orm(vesa_bios_offs); 805211827Sjkim if (vbios != NULL) { 806211827Sjkim vesa_bios_size = vbios[2] * 512; 807211827Sjkim vesa_bios = x86bios_alloc(&vesa_bios_offs, 808211827Sjkim vesa_bios_size, M_WAITOK); 809211827Sjkim memcpy(vesa_bios, vbios, vesa_bios_size); 810211827Sjkim offs = offs - VESA_BIOS_OFFSET + vesa_bios_offs; 811211827Sjkim offs = (X86BIOS_PHYSTOSEG(offs) << 16) + 812211827Sjkim X86BIOS_PHYSTOOFF(offs); 813211827Sjkim x86bios_set_intr(0x10, offs); 814211827Sjkim } else 815211827Sjkim printf("VESA: failed to shadow video ROM\n"); 816211827Sjkim } 817211827Sjkim if (bootverbose) 818211827Sjkim printf("VESA: INT 0x10 vector 0x%04x:0x%04x\n", 819211827Sjkim X86BIOS_PHYSTOSEG(offs), X86BIOS_PHYSTOOFF(offs)); 820211827Sjkim 821198251Sjkim x86bios_init_regs(®s); 822198251Sjkim regs.R_AX = 0x4f00; 823197025Sdelphij 824209472Sjkim vmbuf = x86bios_alloc(&offs, sizeof(*buf), M_WAITOK); 825198251Sjkim 826198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 827198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 828198251Sjkim 829198251Sjkim bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 830197466Sjkim x86bios_intr(®s, 0x10); 831197025Sdelphij 832198251Sjkim if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0) 833198251Sjkim goto fail; 834197025Sdelphij 835206384Sjkim vesa_adp_info = buf = malloc(sizeof(*buf), M_DEVBUF, M_WAITOK); 836206384Sjkim bcopy(vmbuf, buf, sizeof(*buf)); 837197025Sdelphij 83842504Syokota if (bootverbose) { 83942504Syokota printf("VESA: information block\n"); 840206384Sjkim hexdump(buf, sizeof(*buf), NULL, HD_OMIT_CHARS); 84142504Syokota } 842198251Sjkim 843206384Sjkim vers = buf->v_version = le16toh(buf->v_version); 844206384Sjkim buf->v_oemstr = le32toh(buf->v_oemstr); 845206384Sjkim buf->v_flags = le32toh(buf->v_flags); 846206384Sjkim buf->v_modetable = le32toh(buf->v_modetable); 847206384Sjkim buf->v_memsize = le16toh(buf->v_memsize); 848206384Sjkim buf->v_revision = le16toh(buf->v_revision); 849206384Sjkim buf->v_venderstr = le32toh(buf->v_venderstr); 850206384Sjkim buf->v_prodstr = le32toh(buf->v_prodstr); 851206384Sjkim buf->v_revstr = le32toh(buf->v_revstr); 852198251Sjkim 853198251Sjkim if (vers < 0x0102) { 85448104Syokota printf("VESA: VBE version %d.%d is not supported; " 855203455Sjkim "version 1.2 or later is required.\n", 856203455Sjkim ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8), 857203455Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f)); 858209740Sjkim goto fail; 85948104Syokota } 86039287Ssos 861206384Sjkim VESA_STRCPY(vesa_oemstr, buf->v_oemstr); 862198251Sjkim if (vers >= 0x0200) { 863206384Sjkim VESA_STRCPY(vesa_venderstr, buf->v_venderstr); 864206384Sjkim VESA_STRCPY(vesa_prodstr, buf->v_prodstr); 865206384Sjkim VESA_STRCPY(vesa_revstr, buf->v_revstr); 86639858Syokota } 867198251Sjkim is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266, 868198251Sjkim sizeof(VESA_VIA_CLE266)) == 0; 86939858Syokota 870206384Sjkim if (buf->v_modetable == 0) 871198251Sjkim goto fail; 872197025Sdelphij 873206384Sjkim msize = (size_t)buf->v_memsize * 64 * 1024; 874203535Sjkim 875206384Sjkim vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf->v_modetable)); 876197025Sdelphij 877203455Sjkim for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) && 878203455Sjkim (vesa_vmodetab[i] != 0xffff); ++i) { 879198251Sjkim vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]); 880209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_WAITOK)) 88139287Ssos continue; 88239287Ssos 883198419Sjkim vmode.v_modeattr = le16toh(vmode.v_modeattr); 884198419Sjkim vmode.v_wgran = le16toh(vmode.v_wgran); 885198419Sjkim vmode.v_wsize = le16toh(vmode.v_wsize); 886198419Sjkim vmode.v_waseg = le16toh(vmode.v_waseg); 887198419Sjkim vmode.v_wbseg = le16toh(vmode.v_wbseg); 888198419Sjkim vmode.v_posfunc = le32toh(vmode.v_posfunc); 889198419Sjkim vmode.v_bpscanline = le16toh(vmode.v_bpscanline); 890198419Sjkim vmode.v_width = le16toh(vmode.v_width); 891198419Sjkim vmode.v_height = le16toh(vmode.v_height); 892198419Sjkim vmode.v_lfb = le32toh(vmode.v_lfb); 893198419Sjkim vmode.v_offscreen = le32toh(vmode.v_offscreen); 894198419Sjkim vmode.v_offscreensize = le16toh(vmode.v_offscreensize); 895198419Sjkim vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline); 896198419Sjkim vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock); 897198419Sjkim 89839287Ssos /* reject unsupported modes */ 89939287Ssos#if 0 900203455Sjkim if ((vmode.v_modeattr & 901203455Sjkim (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) != 902203455Sjkim (V_MODESUPP | V_MODEOPTINFO)) 90339287Ssos continue; 90439287Ssos#else 90567816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 90666710Sjhb#if VESA_DEBUG > 1 907203455Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 908203455Sjkim " attr = %x\n", 909203455Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 910203455Sjkim "graphics" : "text", 91166710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 91266710Sjhb vmode.v_modeattr); 91366710Sjhb#endif 91439287Ssos continue; 91566710Sjhb } 91639287Ssos#endif 91739287Ssos 918205564Sjkim bsize = vesa_get_bpscanline(&vmode) * vmode.v_height; 919203535Sjkim if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0) 920203535Sjkim bsize *= vmode.v_planes; 921203535Sjkim 922203535Sjkim /* Does it have enough memory to support this mode? */ 923203535Sjkim if (msize < bsize) { 924203535Sjkim#if VESA_DEBUG > 1 925203535Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 926203535Sjkim " attr = %x, not enough memory\n", 927203535Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 928203535Sjkim "graphics" : "text", 929203535Sjkim vmode.v_width, vmode.v_height, vmode.v_bpp, 930203535Sjkim vmode.v_modeattr); 931203535Sjkim#endif 932203535Sjkim continue; 933203535Sjkim } 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 103439858Syokota has_vesa_bios = (modes > 0); 1035142830Siedowse if (!has_vesa_bios) 1036198251Sjkim goto fail; 1037142830Siedowse 1038206384Sjkim x86bios_free(vmbuf, sizeof(*buf)); 1039210016Sjkim 1040210017Sjkim vesa_state_buf_size = vesa_bios_state_buf_size(); 1041210016Sjkim vesa_palette = x86bios_alloc(&vesa_palette_offs, 1042210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size, M_WAITOK); 1043210016Sjkim if (vesa_state_buf_size > 0) { 1044210016Sjkim vesa_state_buf = vesa_palette + VESA_PALETTE_SIZE; 1045210016Sjkim vesa_state_buf_offs = vesa_palette_offs + VESA_PALETTE_SIZE; 1046210016Sjkim } 1047210016Sjkim 1048142830Siedowse return (0); 1049198251Sjkim 1050198251Sjkimfail: 1051211827Sjkim if (vesa_bios != NULL) { 1052211827Sjkim x86bios_set_intr(0x10, vesa_bios_int10); 1053211827Sjkim vesa_bios_offs = VESA_BIOS_OFFSET; 1054211827Sjkim x86bios_free(vesa_bios, vesa_bios_size); 1055211827Sjkim vesa_bios = NULL; 1056211827Sjkim } 1057198251Sjkim if (vmbuf != NULL) 1058198251Sjkim x86bios_free(vmbuf, sizeof(buf)); 1059206384Sjkim if (vesa_adp_info != NULL) { 1060206384Sjkim free(vesa_adp_info, M_DEVBUF); 1061206384Sjkim vesa_adp_info = NULL; 1062206384Sjkim } 1063198251Sjkim if (vesa_oemstr != NULL) { 1064198251Sjkim free(vesa_oemstr, M_DEVBUF); 1065198251Sjkim vesa_oemstr = NULL; 1066198251Sjkim } 1067198251Sjkim if (vesa_venderstr != NULL) { 1068198251Sjkim free(vesa_venderstr, M_DEVBUF); 1069198251Sjkim vesa_venderstr = NULL; 1070198251Sjkim } 1071198251Sjkim if (vesa_prodstr != NULL) { 1072198251Sjkim free(vesa_prodstr, M_DEVBUF); 1073198251Sjkim vesa_prodstr = NULL; 1074198251Sjkim } 1075198251Sjkim if (vesa_revstr != NULL) { 1076198251Sjkim free(vesa_revstr, M_DEVBUF); 1077198251Sjkim vesa_revstr = NULL; 1078198251Sjkim } 1079198251Sjkim return (1); 108039287Ssos} 108139287Ssos 108239287Ssosstatic void 108339591Syokotavesa_clear_modes(video_info_t *info, int color) 108439287Ssos{ 108539287Ssos while (info->vi_mode != EOT) { 108639287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 108739287Ssos info->vi_mode = NA; 108839287Ssos ++info; 108939287Ssos } 109039287Ssos} 109139287Ssos 109242504Syokota/* entry points */ 109339287Ssos 109439287Ssosstatic int 109542504Syokotavesa_configure(int flags) 109639287Ssos{ 109742504Syokota video_adapter_t *adp; 109839287Ssos int adapters; 109942504Syokota int error; 110039287Ssos int i; 110139287Ssos 110242504Syokota if (vesa_init_done) 1103198251Sjkim return (0); 110442504Syokota if (flags & VIO_PROBE_ONLY) 1105198251Sjkim return (0); 110642504Syokota 110742504Syokota /* 110842504Syokota * If the VESA module has already been loaded, abort loading 110942504Syokota * the module this time. 111042504Syokota */ 111142504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 111242504Syokota if (adp->va_flags & V_ADP_VESA) 1113198251Sjkim return (ENXIO); 111442504Syokota if (adp->va_type == KD_VGA) 111542504Syokota break; 111639287Ssos } 1117198251Sjkim 111842504Syokota /* 111942504Syokota * The VGA adapter is not found. This is because either 112042504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 112142504Syokota * is not present. If 1) is the case, we shall defer 112242504Syokota * initialization for now and try again later. 112342504Syokota */ 112442504Syokota if (adp == NULL) { 112542504Syokota vga_sub_configure = vesa_configure; 1126198251Sjkim return (ENODEV); 112742504Syokota } 112842504Syokota 112942504Syokota /* count number of registered adapters */ 113042504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 113142504Syokota ; 113242504Syokota adapters = i; 113342504Syokota 113442504Syokota /* call VESA BIOS */ 113542504Syokota vesa_adp = adp; 113642504Syokota if (vesa_bios_init()) { 113742504Syokota vesa_adp = NULL; 1138198251Sjkim return (ENXIO); 113942504Syokota } 114042504Syokota vesa_adp->va_flags |= V_ADP_VESA; 114142504Syokota 114242504Syokota /* remove conflicting modes if we have more than one adapter */ 114342504Syokota if (adapters > 1) { 114442504Syokota vesa_clear_modes(vesa_vmode, 114542504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 114642504Syokota V_INFO_COLOR : 0); 114742504Syokota } 114842504Syokota 114942504Syokota if ((error = vesa_load_ioctl()) == 0) { 115042504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 115142504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 115242504Syokota vesa_init_done = TRUE; 115342504Syokota } else { 115442504Syokota vesa_adp = NULL; 1155198251Sjkim return (error); 115642504Syokota } 115742504Syokota 1158198251Sjkim return (0); 115939287Ssos} 116039287Ssos 116148399Speter#if 0 116242504Syokotastatic int 116342504Syokotavesa_nop(void) 116439287Ssos{ 1165198251Sjkim 1166198251Sjkim return (0); 116739287Ssos} 116848399Speter#endif 116939287Ssos 117039287Ssosstatic int 117148104Syokotavesa_error(void) 117248104Syokota{ 1173198251Sjkim 1174198251Sjkim return (1); 117548104Syokota} 117648104Syokota 117748104Syokotastatic int 117842504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 117939287Ssos{ 1180198251Sjkim 1181198251Sjkim return ((*prevvidsw->probe)(unit, adpp, arg, flags)); 118242504Syokota} 118342504Syokota 118442504Syokotastatic int 118542504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 118642504Syokota{ 1187198251Sjkim 1188198251Sjkim return ((*prevvidsw->init)(unit, adp, flags)); 118942504Syokota} 119042504Syokota 119142504Syokotastatic int 119242504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 119342504Syokota{ 119439287Ssos int i; 119539287Ssos 119642504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 1197198251Sjkim return (0); 119839287Ssos 119942504Syokota if (adp != vesa_adp) 1200198251Sjkim return (1); 120139591Syokota 120239591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 120339591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 120439287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 120539287Ssos if (vesa_vmode[i].vi_mode == NA) 120639287Ssos continue; 120739287Ssos if (vesa_vmode[i].vi_mode == mode) { 120839287Ssos *info = vesa_vmode[i]; 1209198251Sjkim return (0); 121039287Ssos } 121139287Ssos } 1212198251Sjkim return (1); 121339287Ssos} 121439287Ssos 121539287Ssosstatic int 121642504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 121739287Ssos{ 121839287Ssos int i; 121939287Ssos 122054258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 1221198251Sjkim return (0); 122242504Syokota if (adp != vesa_adp) 1223198251Sjkim return (ENODEV); 122439287Ssos 122539287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 122639287Ssos if ((info->vi_width != 0) 122739287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 122839287Ssos continue; 122939287Ssos if ((info->vi_height != 0) 123039287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 123139287Ssos continue; 123239287Ssos if ((info->vi_cwidth != 0) 123339287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 123439287Ssos continue; 123539287Ssos if ((info->vi_cheight != 0) 123639287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 123739287Ssos continue; 123839287Ssos if ((info->vi_depth != 0) 123939287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 124039287Ssos continue; 124139287Ssos if ((info->vi_planes != 0) 124239287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 124339287Ssos continue; 124439287Ssos /* pixel format, memory model */ 124539287Ssos if ((info->vi_flags != 0) 124639287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 124739287Ssos continue; 124854258Syokota *info = vesa_vmode[i]; 1249198251Sjkim return (0); 125039287Ssos } 1251198251Sjkim return (ENODEV); 125239287Ssos} 125339287Ssos 125439287Ssosstatic int 125542504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 125639287Ssos{ 125739287Ssos video_info_t info; 125839287Ssos 125942504Syokota if (adp != vesa_adp) 1260198251Sjkim return ((*prevvidsw->set_mode)(adp, mode)); 126139287Ssos 126248104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 126348104Syokota adp->va_flags & V_ADP_COLOR, mode); 126442504Syokota#if VESA_DEBUG > 0 126539287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 126648104Syokota adp->va_mode, adp->va_mode, mode, mode); 126739287Ssos#endif 126839287Ssos /* 126939287Ssos * If the current mode is a VESA mode and the new mode is not, 127048104Syokota * restore the state of the adapter first by setting one of the 127148104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 127248104Syokota * are set to the state compatible with the standard VGA modes. 127348104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 127448104Syokota * the new mode correctly. 127539287Ssos */ 127648104Syokota if (VESA_MODE(adp->va_mode)) { 1277198858Sjkim if (!VESA_MODE(mode) && 1278198858Sjkim (*prevvidsw->get_info)(adp, mode, &info) == 0) { 1279204265Sjkim if ((adp->va_flags & V_ADP_DAC8) != 0) { 1280204265Sjkim vesa_bios_set_dac(6); 1281204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1282204265Sjkim } 128348104Syokota int10_set_mode(adp->va_initial_bios_mode); 128448104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1285203530Sjkim pmap_unmapdev(adp->va_buffer, 1286205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 128748104Syokota /* 128848104Syokota * Once (*prevvidsw->get_info)() succeeded, 128948104Syokota * (*prevvidsw->set_mode)() below won't fail... 129048104Syokota */ 129139287Ssos } 129239287Ssos } 129339287Ssos 129439287Ssos /* we may not need to handle this mode after all... */ 1295198858Sjkim if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0) 1296198251Sjkim return (0); 129739287Ssos 129839287Ssos /* is the new mode supported? */ 129942504Syokota if (vesa_get_info(adp, mode, &info)) 1300198251Sjkim return (1); 130139287Ssos /* assert(VESA_MODE(mode)); */ 130239287Ssos 130342504Syokota#if VESA_DEBUG > 0 130439287Ssos printf("VESA: about to set a VESA mode...\n"); 130539287Ssos#endif 130648104Syokota /* don't use the linear frame buffer for text modes. XXX */ 130748104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 130848104Syokota info.vi_flags &= ~V_INFO_LINEAR; 130939287Ssos 131048104Syokota if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) 1311198251Sjkim return (1); 131239287Ssos 1313204265Sjkim /* Palette format is reset by the above VBE function call. */ 1314204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1315198858Sjkim 1316204265Sjkim if ((vesa_adp_info->v_flags & V_DAC8) != 0 && 1317204265Sjkim (info.vi_flags & V_INFO_GRAPHICS) != 0 && 1318204265Sjkim vesa_bios_set_dac(8) > 6) 1319204265Sjkim adp->va_flags |= V_ADP_DAC8; 1320204265Sjkim 132148104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1322205557Sjkim pmap_unmapdev(adp->va_buffer, 1323205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 132448104Syokota 132542504Syokota#if VESA_DEBUG > 0 132639287Ssos printf("VESA: mode set!\n"); 132739287Ssos#endif 132839287Ssos vesa_adp->va_mode = mode; 132939287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 133039287Ssos vesa_adp->va_flags |= 133139287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 133239287Ssos vesa_adp->va_crtc_addr = 133342504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 1334205564Sjkim 1335205564Sjkim vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height; 1336205564Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1337205564Sjkim vesa_adp->va_line_width /= info.vi_planes; 1338205564Sjkim 1339205653Sjkim#ifdef MODE_TABLE_BROKEN 1340205564Sjkim /* If VBE function returns bigger bytes per scan line, use it. */ 1341205653Sjkim { 1342205653Sjkim int bpsl = vesa_bios_get_line_length(); 1343205653Sjkim if (bpsl > vesa_adp->va_line_width) { 1344205653Sjkim vesa_adp->va_line_width = bpsl; 1345205653Sjkim info.vi_buffer_size = bpsl * info.vi_height; 1346205653Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1347205653Sjkim info.vi_buffer_size *= info.vi_planes; 1348205653Sjkim } 1349205564Sjkim } 1350205653Sjkim#endif 1351205564Sjkim 135248104Syokota if (info.vi_flags & V_INFO_LINEAR) { 135348104Syokota#if VESA_DEBUG > 1 135448104Syokota printf("VESA: setting up LFB\n"); 135548104Syokota#endif 135648104Syokota vesa_adp->va_buffer = 1357203530Sjkim (vm_offset_t)pmap_mapdev_attr(info.vi_buffer, 1358205557Sjkim vesa_adp_info->v_memsize * 64 * 1024, PAT_WRITE_COMBINING); 135948104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 1360203535Sjkim vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes; 1361203535Sjkim vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes; 136248104Syokota } else { 136339287Ssos vesa_adp->va_buffer = 0; 1364203451Sjkim vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window); 1365196704Sdelphij vesa_adp->va_window_size = info.vi_window_size; 1366196704Sdelphij vesa_adp->va_window_gran = info.vi_window_gran; 136739287Ssos } 1368203535Sjkim vesa_adp->va_buffer_size = info.vi_buffer_size; 136948104Syokota vesa_adp->va_window_orig = 0; 137048104Syokota vesa_adp->va_disp_start.x = 0; 137148104Syokota vesa_adp->va_disp_start.y = 0; 137243664Syokota#if VESA_DEBUG > 0 1373197496Sjkim printf("vesa_set_mode(): vi_width:%d, line_width:%d\n", 1374197496Sjkim info.vi_width, vesa_adp->va_line_width); 137543664Syokota#endif 137643674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 137739287Ssos 137842504Syokota /* move hardware cursor out of the way */ 137943674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 138042504Syokota 1381198251Sjkim return (0); 138239287Ssos} 138339287Ssos 138439287Ssosstatic int 1385150686Smariusvesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1386150686Smarius u_char *data, int ch, int count) 138739287Ssos{ 1388198251Sjkim 1389198251Sjkim return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data, 1390198251Sjkim ch, count)); 139139287Ssos} 139239287Ssos 139339287Ssosstatic int 1394150686Smariusvesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1395150686Smarius u_char *data, int ch, int count) 139639287Ssos{ 1397198251Sjkim 1398198251Sjkim return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data, 1399198251Sjkim ch, count)); 140039287Ssos} 140139287Ssos 140239287Ssosstatic int 140342504Syokotavesa_show_font(video_adapter_t *adp, int page) 140439287Ssos{ 1405198251Sjkim 1406198251Sjkim return ((*prevvidsw->show_font)(adp, page)); 140739287Ssos} 140839287Ssos 140939287Ssosstatic int 141042504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 141139287Ssos{ 141242729Syokota int bits; 141339287Ssos 1414205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1415204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1416205558Sjkim if (vesa_bios_save_palette(0, 256, palette, bits) == 0) 1417205558Sjkim return (0); 1418203078Sjkim } 141942729Syokota 1420198251Sjkim return ((*prevvidsw->save_palette)(adp, palette)); 142139287Ssos} 142239287Ssos 142339287Ssosstatic int 142442504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 142539287Ssos{ 142642729Syokota int bits; 142739287Ssos 1428205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1429204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1430205558Sjkim if (vesa_bios_load_palette(0, 256, palette, bits) == 0) 1431205558Sjkim return (0); 1432203078Sjkim } 143342729Syokota 1434198251Sjkim return ((*prevvidsw->load_palette)(adp, palette)); 143539287Ssos} 143639287Ssos 143739287Ssosstatic int 143842504Syokotavesa_set_border(video_adapter_t *adp, int color) 143939287Ssos{ 1440198251Sjkim 1441198251Sjkim return ((*prevvidsw->set_border)(adp, color)); 144239287Ssos} 144339287Ssos 144439287Ssosstatic int 144542504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 144639287Ssos{ 1447198251Sjkim 144842504Syokota if (adp != vesa_adp) 1449198251Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 145039287Ssos 1451210016Sjkim if (vesa_state_buf_size == 0) 1452210016Sjkim return (1); 145339287Ssos if (size == 0) 1454198419Sjkim return (offsetof(adp_state_t, regs) + vesa_state_buf_size); 1455210016Sjkim if (size < (offsetof(adp_state_t, regs) + vesa_state_buf_size)) 1456198251Sjkim return (1); 145739287Ssos 145839287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 145939287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 1460210016Sjkim return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs)); 146139287Ssos} 146239287Ssos 146339287Ssosstatic int 146442504Syokotavesa_load_state(video_adapter_t *adp, void *p) 146539287Ssos{ 1466198251Sjkim 146742504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 1468198251Sjkim return ((*prevvidsw->load_state)(adp, p)); 146939287Ssos 1470210016Sjkim if (vesa_state_buf_size == 0) 1471198419Sjkim return (1); 1472198419Sjkim 1473198964Sjkim /* Try BIOS POST to restore a sane state. */ 1474198964Sjkim (void)vesa_bios_post(); 1475198964Sjkim (void)int10_set_mode(adp->va_initial_bios_mode); 1476208279Sjkim (void)vesa_set_mode(adp, adp->va_mode); 1477198419Sjkim 1478210016Sjkim return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs)); 147939287Ssos} 148039287Ssos 148148399Speter#if 0 148239287Ssosstatic int 148348104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 148448104Syokota{ 1485197383Sdelphij x86regs_t regs; 148648104Syokota 1487198251Sjkim x86bios_init_regs(®s); 1488198251Sjkim regs.R_AX = 0x4f05; 1489198251Sjkim regs.R_BL = 0x10; 1490197025Sdelphij 1491197466Sjkim x86bios_intr(®s, 0x10); 1492197383Sdelphij 1493198251Sjkim if (regs.R_AX != 0x004f) 1494198251Sjkim return (1); 1495197387Sdelphij *offset = regs.DX * adp->va_window_gran; 1496197025Sdelphij 1497198251Sjkim return (0); 149848104Syokota} 149948399Speter#endif 150048104Syokota 150148104Syokotastatic int 150242504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 150339287Ssos{ 1504197383Sdelphij x86regs_t regs; 1505197383Sdelphij 150639287Ssos /* 150739287Ssos * This function should return as quickly as possible to 150839287Ssos * maintain good performance of the system. For this reason, 150939287Ssos * error checking is kept minimal and let the VESA BIOS to 151039287Ssos * detect error. 151139287Ssos */ 151242504Syokota if (adp != vesa_adp) 1513198251Sjkim return ((*prevvidsw->set_win_org)(adp, offset)); 151439287Ssos 151548104Syokota /* if this is a linear frame buffer, do nothing */ 151648104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1517198251Sjkim return (0); 151848104Syokota /* XXX */ 151948104Syokota if (adp->va_window_gran == 0) 1520198251Sjkim return (1); 152148104Syokota 1522198251Sjkim x86bios_init_regs(®s); 1523198251Sjkim regs.R_AX = 0x4f05; 1524198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1525198251Sjkim 1526197466Sjkim x86bios_intr(®s, 0x10); 1527197025Sdelphij 1528198251Sjkim if (regs.R_AX != 0x004f) 1529198251Sjkim return (1); 1530197025Sdelphij 1531198251Sjkim x86bios_init_regs(®s); 1532198251Sjkim regs.R_AX = 0x4f05; 1533198251Sjkim regs.R_BL = 1; 1534198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1535197466Sjkim x86bios_intr(®s, 0x10); 1536197025Sdelphij 153748104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 1538198251Sjkim return (0); /* XXX */ 153939287Ssos} 154039287Ssos 154139287Ssosstatic int 154242504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 154339287Ssos{ 1544198251Sjkim 1545198251Sjkim return ((*prevvidsw->read_hw_cursor)(adp, col, row)); 154639287Ssos} 154739287Ssos 154839287Ssosstatic int 154942504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 155039287Ssos{ 1551198251Sjkim 1552198251Sjkim return ((*prevvidsw->set_hw_cursor)(adp, col, row)); 155339287Ssos} 155439287Ssos 155539287Ssosstatic int 155642504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 155742504Syokota int celsize, int blink) 155839287Ssos{ 1559198251Sjkim 1560198251Sjkim return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 1561198251Sjkim blink)); 156242504Syokota} 156342504Syokota 156442504Syokotastatic int 156548104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 156642504Syokota{ 1567198251Sjkim 156848104Syokota /* XXX: use VESA DPMS */ 1569198251Sjkim return ((*prevvidsw->blank_display)(adp, mode)); 157042504Syokota} 157142504Syokota 157242504Syokotastatic int 1573201223Srnolandvesa_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 1574201223Srnoland int prot, vm_memattr_t *memattr) 157542504Syokota{ 1576198251Sjkim 157748104Syokota#if VESA_DEBUG > 0 1578201223Srnoland printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%jx\n", 157948104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 158042504Syokota#endif 158139287Ssos 1582198251Sjkim if ((adp == vesa_adp) && 1583198251Sjkim (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) { 158448104Syokota /* va_window_size == va_buffer_size/vi_planes */ 158548104Syokota /* XXX: is this correct? */ 158648104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 1587198251Sjkim return (-1); 1588111462Smux *paddr = adp->va_info.vi_buffer + offset; 1589198251Sjkim return (0); 159048104Syokota } 1591201223Srnoland return ((*prevvidsw->mmap)(adp, offset, paddr, prot, memattr)); 159248104Syokota} 159348104Syokota 159448104Syokotastatic int 159548104Syokotavesa_clear(video_adapter_t *adp) 159648104Syokota{ 1597198251Sjkim 1598198251Sjkim return ((*prevvidsw->clear)(adp)); 159948104Syokota} 160048104Syokota 160148104Syokotastatic int 160248104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 160348104Syokota{ 1604198251Sjkim 1605198251Sjkim return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy)); 160648104Syokota} 160748104Syokota 160848104Syokotastatic int 160948104Syokotavesa_bitblt(video_adapter_t *adp,...) 161048104Syokota{ 1611198251Sjkim 161248104Syokota /* FIXME */ 1613198251Sjkim return (1); 161448104Syokota} 161548104Syokota 161648104Syokotastatic int 161748104Syokotaget_palette(video_adapter_t *adp, int base, int count, 161848104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 161948104Syokota{ 162048104Syokota u_char *r; 162148104Syokota u_char *g; 162248104Syokota u_char *b; 162348104Syokota int bits; 162448104Syokota int error; 162548104Syokota 1626203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1627198251Sjkim return (1); 1628101557Srwatson if ((base + count) > 256) 1629198251Sjkim return (1); 1630203078Sjkim if (!VESA_MODE(adp->va_mode)) 1631198251Sjkim return (1); 163248104Syokota 1633204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1634198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 163548104Syokota g = r + count; 163648104Syokota b = g + count; 163748104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 163848104Syokota if (error == 0) { 163948104Syokota copyout(r, red, count); 164048104Syokota copyout(g, green, count); 164148104Syokota copyout(b, blue, count); 164248104Syokota if (trans != NULL) { 164348104Syokota bzero(r, count); 164448104Syokota copyout(r, trans, count); 164548104Syokota } 164648104Syokota } 164748104Syokota free(r, M_DEVBUF); 164848104Syokota 1649198251Sjkim return (error); 165048104Syokota} 165148104Syokota 165248104Syokotastatic int 165348104Syokotaset_palette(video_adapter_t *adp, int base, int count, 165448104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 165548104Syokota{ 165648104Syokota u_char *r; 165748104Syokota u_char *g; 165848104Syokota u_char *b; 165948104Syokota int bits; 166048104Syokota int error; 166148104Syokota 1662203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1663198251Sjkim return (1); 1664203078Sjkim if ((base + count) > 256) 1665198251Sjkim return (1); 1666203078Sjkim if (!VESA_MODE(adp->va_mode)) 1667203078Sjkim return (1); 166848104Syokota 1669204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1670198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 167148104Syokota g = r + count; 167248104Syokota b = g + count; 167348104Syokota copyin(red, r, count); 167448104Syokota copyin(green, g, count); 167548104Syokota copyin(blue, b, count); 167648104Syokota 167748104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 167848104Syokota free(r, M_DEVBUF); 167948104Syokota 1680198858Sjkim return (error); 168148104Syokota} 168248104Syokota 168348104Syokotastatic int 168448104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 168548104Syokota{ 168650446Syokota int bytes; 168750446Syokota 168842504Syokota if (adp != vesa_adp) 1689198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 169048104Syokota 169148104Syokota switch (cmd) { 169248104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 169350792Syokota if (!VESA_MODE(adp->va_mode)) 169450792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 169548104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 169648104Syokota 169748104Syokota case FBIO_SETDISPSTART: /* set display start address */ 169850792Syokota if (!VESA_MODE(adp->va_mode)) 1699198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 170048104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 170148104Syokota ((video_display_start_t *)arg)->y)) 1702198251Sjkim return (ENODEV); 170348104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 170448104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 1705198251Sjkim return (0); 170648104Syokota 170748104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 170850792Syokota if (!VESA_MODE(adp->va_mode)) 1709198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 171050446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 1711198251Sjkim return (ENODEV); 171250446Syokota adp->va_line_width = bytes; 171350446Syokota#if VESA_DEBUG > 1 171450446Syokota printf("new line width:%d\n", adp->va_line_width); 171550446Syokota#endif 1716198251Sjkim return (0); 171748104Syokota 171848104Syokota case FBIO_GETPALETTE: /* get color palette */ 171948104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 172048104Syokota ((video_color_palette_t *)arg)->count, 172148104Syokota ((video_color_palette_t *)arg)->red, 172248104Syokota ((video_color_palette_t *)arg)->green, 172348104Syokota ((video_color_palette_t *)arg)->blue, 172448104Syokota ((video_color_palette_t *)arg)->transparent)) 1725198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1726198251Sjkim return (0); 172748104Syokota 172848104Syokota 172948104Syokota case FBIO_SETPALETTE: /* set color palette */ 173048104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 173148104Syokota ((video_color_palette_t *)arg)->count, 173248104Syokota ((video_color_palette_t *)arg)->red, 173348104Syokota ((video_color_palette_t *)arg)->green, 173448104Syokota ((video_color_palette_t *)arg)->blue, 173548104Syokota ((video_color_palette_t *)arg)->transparent)) 1736198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1737198251Sjkim return (0); 173848104Syokota 173948104Syokota case FBIOGETCMAP: /* get color palette */ 174048104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 174148104Syokota ((struct fbcmap *)arg)->count, 174248104Syokota ((struct fbcmap *)arg)->red, 174348104Syokota ((struct fbcmap *)arg)->green, 174448104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1745198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1746198251Sjkim return (0); 174748104Syokota 174848104Syokota case FBIOPUTCMAP: /* set color palette */ 174948104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 175048104Syokota ((struct fbcmap *)arg)->count, 175148104Syokota ((struct fbcmap *)arg)->red, 175248104Syokota ((struct fbcmap *)arg)->green, 175348104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1754198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1755198251Sjkim return (0); 175648104Syokota 175748104Syokota default: 1758198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 175948104Syokota } 176048104Syokota} 176148104Syokota 176248104Syokotastatic int 176348104Syokotavesa_diag(video_adapter_t *adp, int level) 176448104Syokota{ 176548104Syokota int error; 176648104Syokota 176748104Syokota /* call the previous handler first */ 176848104Syokota error = (*prevvidsw->diag)(adp, level); 176948104Syokota if (error) 1770198251Sjkim return (error); 177148104Syokota 177248104Syokota if (adp != vesa_adp) 1773198251Sjkim return (1); 177442504Syokota 177548104Syokota if (level <= 0) 1776198251Sjkim return (0); 177748104Syokota 1778198251Sjkim return (0); 177948104Syokota} 178048104Syokota 178148104Syokotastatic int 178248104Syokotavesa_bios_info(int level) 178348104Syokota{ 178448104Syokota#if VESA_DEBUG > 1 178548104Syokota struct vesa_mode vmode; 178648104Syokota int i; 178739591Syokota#endif 1788198251Sjkim uint16_t vers; 178939591Syokota 1790198251Sjkim vers = vesa_adp_info->v_version; 1791198251Sjkim 1792131398Sjhb if (bootverbose) { 1793131398Sjhb /* general adapter information */ 1794131398Sjhb printf( 1795131398Sjhb "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 1796198251Sjkim (vers >> 12) * 10 + ((vers & 0x0f00) >> 8), 1797198251Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f), 1798131398Sjhb vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 1799131398Sjhb vesa_vmodetab, vesa_adp_info->v_modetable); 180039287Ssos 1801131398Sjhb /* OEM string */ 1802131398Sjhb if (vesa_oemstr != NULL) 1803131398Sjhb printf("VESA: %s\n", vesa_oemstr); 1804131398Sjhb } 1805131398Sjhb 180639287Ssos if (level <= 0) 1807198251Sjkim return (0); 180839287Ssos 1809198251Sjkim if (vers >= 0x0200 && bootverbose) { 181048104Syokota /* vender name, product name, product revision */ 181148104Syokota printf("VESA: %s %s %s\n", 181248104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 181348104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 181448104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 181539287Ssos } 181639287Ssos 181742504Syokota#if VESA_DEBUG > 1 181839287Ssos /* mode information */ 181939858Syokota for (i = 0; 182039858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 182139858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 1822209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_NOWAIT)) 182339287Ssos continue; 182439287Ssos 182539287Ssos /* print something for diagnostic purpose */ 182639287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 182739287Ssos vesa_vmodetab[i], vmode.v_modeattr); 182839287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 182939287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 183039287Ssos printf(", G %dx%dx%d %d, ", 183139287Ssos vmode.v_width, vmode.v_height, 183239287Ssos vmode.v_bpp, vmode.v_planes); 183339287Ssos } else { 183439287Ssos printf(", T %dx%d, ", 183539287Ssos vmode.v_width, vmode.v_height); 183639287Ssos } 183748104Syokota printf("font:%dx%d, ", 183839287Ssos vmode.v_cwidth, vmode.v_cheight); 183948104Syokota printf("pages:%d, mem:%d", 184048104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 184139287Ssos } 184239287Ssos if (vmode.v_modeattr & V_MODELFB) { 184348104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 184448104Syokota vmode.v_lfb, vmode.v_offscreen, 184548104Syokota vmode.v_offscreensize*1024); 184639287Ssos } 184739287Ssos printf("\n"); 184839287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 184939287Ssos vmode.v_waseg, vmode.v_waattr, 185039287Ssos vmode.v_wbseg, vmode.v_wbattr); 185139287Ssos printf("size:%dk, gran:%dk\n", 185239287Ssos vmode.v_wsize, vmode.v_wgran); 185339287Ssos } 185448104Syokota#endif /* VESA_DEBUG > 1 */ 185539287Ssos 1856198251Sjkim return (0); 185739287Ssos} 185839287Ssos 185939287Ssos/* module loading */ 186039287Ssos 186142504Syokotastatic int 186239287Ssosvesa_load(void) 186339287Ssos{ 186439287Ssos int error; 186539287Ssos 186639287Ssos if (vesa_init_done) 1867198251Sjkim return (0); 186839287Ssos 1869210994Sjkim mtx_init(&vesa_lock, "VESA lock", NULL, MTX_DEF); 1870210994Sjkim 187142504Syokota /* locate a VGA adapter */ 187239287Ssos vesa_adp = NULL; 187342504Syokota error = vesa_configure(0); 187439287Ssos 187539287Ssos if (error == 0) 187648104Syokota vesa_bios_info(bootverbose); 187739287Ssos 1878198251Sjkim return (error); 187939287Ssos} 188039287Ssos 188139287Ssosstatic int 188242179Syokotavesa_unload(void) 188339287Ssos{ 188445117Syokota u_char palette[256*3]; 188539287Ssos int error; 188639287Ssos 188739287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 188839287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 1889198251Sjkim return (EBUSY); 189039287Ssos /* 189139287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 189239287Ssos * we shouldn't be unloading! XXX 189339287Ssos */ 189439287Ssos 189539287Ssos if ((error = vesa_unload_ioctl()) == 0) { 189644162Syokota if (vesa_adp != NULL) { 1897204265Sjkim if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) { 1898204265Sjkim vesa_bios_save_palette(0, 256, palette, 8); 1899204265Sjkim vesa_bios_set_dac(6); 1900204265Sjkim vesa_adp->va_flags &= ~V_ADP_DAC8; 1901204265Sjkim vesa_bios_load_palette(0, 256, palette, 6); 190245117Syokota } 190339287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 190444162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 190544162Syokota } 190639287Ssos } 190739287Ssos 1908211827Sjkim if (vesa_bios != NULL) { 1909211827Sjkim x86bios_set_intr(0x10, vesa_bios_int10); 1910211827Sjkim x86bios_free(vesa_bios, vesa_bios_size); 1911211827Sjkim } 1912206384Sjkim if (vesa_adp_info != NULL) 1913206384Sjkim free(vesa_adp_info, M_DEVBUF); 1914198251Sjkim if (vesa_oemstr != NULL) 1915198251Sjkim free(vesa_oemstr, M_DEVBUF); 1916198251Sjkim if (vesa_venderstr != NULL) 1917198251Sjkim free(vesa_venderstr, M_DEVBUF); 1918198251Sjkim if (vesa_prodstr != NULL) 1919198251Sjkim free(vesa_prodstr, M_DEVBUF); 1920198251Sjkim if (vesa_revstr != NULL) 1921198251Sjkim free(vesa_revstr, M_DEVBUF); 1922198251Sjkim if (vesa_vmode != &vesa_vmode_empty) 1923198251Sjkim free(vesa_vmode, M_DEVBUF); 1924210016Sjkim if (vesa_palette != NULL) 1925210016Sjkim x86bios_free(vesa_palette, 1926210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size); 1927210994Sjkim 1928210994Sjkim mtx_destroy(&vesa_lock); 1929210994Sjkim 1930198251Sjkim return (error); 193139287Ssos} 193239287Ssos 193342179Syokotastatic int 193442179Syokotavesa_mod_event(module_t mod, int type, void *data) 193539287Ssos{ 1936198251Sjkim 193742179Syokota switch (type) { 193842179Syokota case MOD_LOAD: 1939198251Sjkim return (vesa_load()); 194042179Syokota case MOD_UNLOAD: 1941198251Sjkim return (vesa_unload()); 194242179Syokota } 1943198251Sjkim return (EOPNOTSUPP); 194439287Ssos} 194539287Ssos 194642179Syokotastatic moduledata_t vesa_mod = { 194742179Syokota "vesa", 194842179Syokota vesa_mod_event, 194942179Syokota NULL, 195042179Syokota}; 195139287Ssos 195242504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1953197383SdelphijMODULE_DEPEND(vesa, x86bios, 1, 1, 1); 195442179Syokota 195556836Speter#endif /* VGA_NO_MODE_CHANGE */ 1956