vesa.c revision 212580
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 212580 2010-09-13 19:58:46Z 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"); 99212154Sjkimstatic int vesa_shadow_rom = 0; 100211827SjkimTUNABLE_INT("debug.vesa.shadow_rom", &vesa_shadow_rom); 101211827SjkimSYSCTL_INT(_debug_vesa, OID_AUTO, shadow_rom, CTLFLAG_RDTUN, &vesa_shadow_rom, 102212154Sjkim 0, "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 */ 802212070Sjkim offs = 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; 807212580Sjkim if (((VESA_BIOS_OFFSET << 12) & 0xffff0000) == 808212580Sjkim (vesa_bios_int10 & 0xffff0000) && 809212580Sjkim vesa_bios_size > (vesa_bios_int10 & 0xffff)) { 810212070Sjkim vesa_bios = x86bios_alloc(&vesa_bios_offs, 811212070Sjkim vesa_bios_size, M_WAITOK); 812212070Sjkim memcpy(vesa_bios, vbios, vesa_bios_size); 813212580Sjkim offs = ((vesa_bios_offs << 12) & 0xffff0000) + 814212580Sjkim (vesa_bios_int10 & 0xffff); 815212070Sjkim x86bios_set_intr(0x10, offs); 816212580Sjkim } 817212070Sjkim } 818212070Sjkim if (vesa_bios == NULL) 819211827Sjkim printf("VESA: failed to shadow video ROM\n"); 820211827Sjkim } 821211827Sjkim if (bootverbose) 822211827Sjkim printf("VESA: INT 0x10 vector 0x%04x:0x%04x\n", 823211829Sjkim (offs >> 16) & 0xffff, offs & 0xffff); 824211827Sjkim 825198251Sjkim x86bios_init_regs(®s); 826198251Sjkim regs.R_AX = 0x4f00; 827197025Sdelphij 828209472Sjkim vmbuf = x86bios_alloc(&offs, sizeof(*buf), M_WAITOK); 829198251Sjkim 830198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 831198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 832198251Sjkim 833198251Sjkim bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 834197466Sjkim x86bios_intr(®s, 0x10); 835197025Sdelphij 836198251Sjkim if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0) 837198251Sjkim goto fail; 838197025Sdelphij 839206384Sjkim vesa_adp_info = buf = malloc(sizeof(*buf), M_DEVBUF, M_WAITOK); 840206384Sjkim bcopy(vmbuf, buf, sizeof(*buf)); 841197025Sdelphij 84242504Syokota if (bootverbose) { 84342504Syokota printf("VESA: information block\n"); 844206384Sjkim hexdump(buf, sizeof(*buf), NULL, HD_OMIT_CHARS); 84542504Syokota } 846198251Sjkim 847206384Sjkim vers = buf->v_version = le16toh(buf->v_version); 848206384Sjkim buf->v_oemstr = le32toh(buf->v_oemstr); 849206384Sjkim buf->v_flags = le32toh(buf->v_flags); 850206384Sjkim buf->v_modetable = le32toh(buf->v_modetable); 851206384Sjkim buf->v_memsize = le16toh(buf->v_memsize); 852206384Sjkim buf->v_revision = le16toh(buf->v_revision); 853206384Sjkim buf->v_venderstr = le32toh(buf->v_venderstr); 854206384Sjkim buf->v_prodstr = le32toh(buf->v_prodstr); 855206384Sjkim buf->v_revstr = le32toh(buf->v_revstr); 856198251Sjkim 857198251Sjkim if (vers < 0x0102) { 85848104Syokota printf("VESA: VBE version %d.%d is not supported; " 859203455Sjkim "version 1.2 or later is required.\n", 860203455Sjkim ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8), 861203455Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f)); 862209740Sjkim goto fail; 86348104Syokota } 86439287Ssos 865206384Sjkim VESA_STRCPY(vesa_oemstr, buf->v_oemstr); 866198251Sjkim if (vers >= 0x0200) { 867206384Sjkim VESA_STRCPY(vesa_venderstr, buf->v_venderstr); 868206384Sjkim VESA_STRCPY(vesa_prodstr, buf->v_prodstr); 869206384Sjkim VESA_STRCPY(vesa_revstr, buf->v_revstr); 87039858Syokota } 871198251Sjkim is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266, 872198251Sjkim sizeof(VESA_VIA_CLE266)) == 0; 87339858Syokota 874206384Sjkim if (buf->v_modetable == 0) 875198251Sjkim goto fail; 876197025Sdelphij 877206384Sjkim msize = (size_t)buf->v_memsize * 64 * 1024; 878203535Sjkim 879206384Sjkim vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf->v_modetable)); 880197025Sdelphij 881203455Sjkim for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) && 882203455Sjkim (vesa_vmodetab[i] != 0xffff); ++i) { 883198251Sjkim vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]); 884209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_WAITOK)) 88539287Ssos continue; 88639287Ssos 887198419Sjkim vmode.v_modeattr = le16toh(vmode.v_modeattr); 888198419Sjkim vmode.v_wgran = le16toh(vmode.v_wgran); 889198419Sjkim vmode.v_wsize = le16toh(vmode.v_wsize); 890198419Sjkim vmode.v_waseg = le16toh(vmode.v_waseg); 891198419Sjkim vmode.v_wbseg = le16toh(vmode.v_wbseg); 892198419Sjkim vmode.v_posfunc = le32toh(vmode.v_posfunc); 893198419Sjkim vmode.v_bpscanline = le16toh(vmode.v_bpscanline); 894198419Sjkim vmode.v_width = le16toh(vmode.v_width); 895198419Sjkim vmode.v_height = le16toh(vmode.v_height); 896198419Sjkim vmode.v_lfb = le32toh(vmode.v_lfb); 897198419Sjkim vmode.v_offscreen = le32toh(vmode.v_offscreen); 898198419Sjkim vmode.v_offscreensize = le16toh(vmode.v_offscreensize); 899198419Sjkim vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline); 900198419Sjkim vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock); 901198419Sjkim 90239287Ssos /* reject unsupported modes */ 90339287Ssos#if 0 904203455Sjkim if ((vmode.v_modeattr & 905203455Sjkim (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) != 906203455Sjkim (V_MODESUPP | V_MODEOPTINFO)) 90739287Ssos continue; 90839287Ssos#else 90967816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 91066710Sjhb#if VESA_DEBUG > 1 911203455Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 912203455Sjkim " attr = %x\n", 913203455Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 914203455Sjkim "graphics" : "text", 91566710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 91666710Sjhb vmode.v_modeattr); 91766710Sjhb#endif 91839287Ssos continue; 91966710Sjhb } 92039287Ssos#endif 92139287Ssos 922205564Sjkim bsize = vesa_get_bpscanline(&vmode) * vmode.v_height; 923203535Sjkim if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0) 924203535Sjkim bsize *= vmode.v_planes; 925203535Sjkim 926203535Sjkim /* Does it have enough memory to support this mode? */ 927203535Sjkim if (msize < bsize) { 928203535Sjkim#if VESA_DEBUG > 1 929203535Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 930203535Sjkim " attr = %x, not enough memory\n", 931203535Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 932203535Sjkim "graphics" : "text", 933203535Sjkim vmode.v_width, vmode.v_height, vmode.v_bpp, 934203535Sjkim vmode.v_modeattr); 935203535Sjkim#endif 936203535Sjkim continue; 937203535Sjkim } 938203535Sjkim 93948104Syokota /* expand the array if necessary */ 94048104Syokota if (modes >= vesa_vmode_max) { 94148104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 942203455Sjkim p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1), 943203455Sjkim M_DEVBUF, M_WAITOK); 94448104Syokota#if VESA_DEBUG > 1 94548104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 946203455Sjkim modes, vesa_vmode_max); 94748104Syokota#endif 94848104Syokota if (modes > 0) { 94948104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 95048104Syokota free(vesa_vmode, M_DEVBUF); 95148104Syokota } 95248104Syokota vesa_vmode = p; 95348104Syokota } 95448104Syokota 95566710Sjhb#if VESA_DEBUG > 1 95666710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 95766710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 95866710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 95966710Sjhb#endif 960117710Srobert if (is_via_cle266) { 961117710Srobert if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { 962117710Srobert vmode.v_width &= 0xff; 963117710Srobert vmode.v_waseg = 0xb8000 >> 4; 964117710Srobert } 965117710Srobert } 966117710Srobert 96739287Ssos /* copy some fields */ 96839287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 96939287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 97039287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 97139287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 97239287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 97339287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 97439287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 97539287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 976203455Sjkim vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4; 97739287Ssos /* XXX window B */ 978203455Sjkim vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024; 979203455Sjkim vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024; 980203535Sjkim if (vmode.v_modeattr & V_MODELFB) 98148104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 982203535Sjkim vesa_vmode[modes].vi_buffer_size = bsize; 983203455Sjkim vesa_vmode[modes].vi_mem_model = 984203455Sjkim vesa_translate_mmodel(vmode.v_memmodel); 985204236Sjkim switch (vesa_vmode[modes].vi_mem_model) { 986204236Sjkim case V_INFO_MM_DIRECT: 987204236Sjkim if ((vmode.v_modeattr & V_MODELFB) != 0 && 988204236Sjkim vers >= 0x0300) { 989204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 990204236Sjkim vmode.v_linredfieldpos; 991204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 992204236Sjkim vmode.v_lingreenfieldpos; 993204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 994204236Sjkim vmode.v_linbluefieldpos; 995204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 996204236Sjkim vmode.v_linresfieldpos; 997204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 998204236Sjkim vmode.v_linredmasksize; 999204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 1000204236Sjkim vmode.v_lingreenmasksize; 1001204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 1002204236Sjkim vmode.v_linbluemasksize; 1003204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 1004204236Sjkim vmode.v_linresmasksize; 1005204236Sjkim } else { 1006204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 1007204236Sjkim vmode.v_redfieldpos; 1008204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 1009204236Sjkim vmode.v_greenfieldpos; 1010204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 1011204236Sjkim vmode.v_bluefieldpos; 1012204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 1013204236Sjkim vmode.v_resfieldpos; 1014204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 1015204236Sjkim vmode.v_redmasksize; 1016204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 1017204236Sjkim vmode.v_greenmasksize; 1018204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 1019204236Sjkim vmode.v_bluemasksize; 1020204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 1021204236Sjkim vmode.v_resmasksize; 1022204236Sjkim } 1023204236Sjkim /* FALLTHROUGH */ 1024204236Sjkim case V_INFO_MM_PACKED: 1025203455Sjkim vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8; 1026204236Sjkim break; 1027204236Sjkim } 1028203455Sjkim vesa_vmode[modes].vi_flags = 1029203455Sjkim vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 1030197496Sjkim 103139287Ssos ++modes; 103239287Ssos } 103339287Ssos vesa_vmode[modes].vi_mode = EOT; 1034197383Sdelphij 103539287Ssos if (bootverbose) 103639287Ssos printf("VESA: %d mode(s) found\n", modes); 103739287Ssos 103839858Syokota has_vesa_bios = (modes > 0); 1039142830Siedowse if (!has_vesa_bios) 1040198251Sjkim goto fail; 1041142830Siedowse 1042206384Sjkim x86bios_free(vmbuf, sizeof(*buf)); 1043210016Sjkim 1044210017Sjkim vesa_state_buf_size = vesa_bios_state_buf_size(); 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: 1055211827Sjkim if (vesa_bios != NULL) { 1056211827Sjkim x86bios_set_intr(0x10, vesa_bios_int10); 1057211827Sjkim vesa_bios_offs = VESA_BIOS_OFFSET; 1058211827Sjkim x86bios_free(vesa_bios, vesa_bios_size); 1059211827Sjkim vesa_bios = NULL; 1060211827Sjkim } 1061198251Sjkim if (vmbuf != NULL) 1062198251Sjkim x86bios_free(vmbuf, sizeof(buf)); 1063206384Sjkim if (vesa_adp_info != NULL) { 1064206384Sjkim free(vesa_adp_info, M_DEVBUF); 1065206384Sjkim vesa_adp_info = NULL; 1066206384Sjkim } 1067198251Sjkim if (vesa_oemstr != NULL) { 1068198251Sjkim free(vesa_oemstr, M_DEVBUF); 1069198251Sjkim vesa_oemstr = NULL; 1070198251Sjkim } 1071198251Sjkim if (vesa_venderstr != NULL) { 1072198251Sjkim free(vesa_venderstr, M_DEVBUF); 1073198251Sjkim vesa_venderstr = NULL; 1074198251Sjkim } 1075198251Sjkim if (vesa_prodstr != NULL) { 1076198251Sjkim free(vesa_prodstr, M_DEVBUF); 1077198251Sjkim vesa_prodstr = NULL; 1078198251Sjkim } 1079198251Sjkim if (vesa_revstr != NULL) { 1080198251Sjkim free(vesa_revstr, M_DEVBUF); 1081198251Sjkim vesa_revstr = NULL; 1082198251Sjkim } 1083198251Sjkim return (1); 108439287Ssos} 108539287Ssos 108639287Ssosstatic void 108739591Syokotavesa_clear_modes(video_info_t *info, int color) 108839287Ssos{ 108939287Ssos while (info->vi_mode != EOT) { 109039287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 109139287Ssos info->vi_mode = NA; 109239287Ssos ++info; 109339287Ssos } 109439287Ssos} 109539287Ssos 109642504Syokota/* entry points */ 109739287Ssos 109839287Ssosstatic int 109942504Syokotavesa_configure(int flags) 110039287Ssos{ 110142504Syokota video_adapter_t *adp; 110239287Ssos int adapters; 110342504Syokota int error; 110439287Ssos int i; 110539287Ssos 110642504Syokota if (vesa_init_done) 1107198251Sjkim return (0); 110842504Syokota if (flags & VIO_PROBE_ONLY) 1109198251Sjkim return (0); 111042504Syokota 111142504Syokota /* 111242504Syokota * If the VESA module has already been loaded, abort loading 111342504Syokota * the module this time. 111442504Syokota */ 111542504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 111642504Syokota if (adp->va_flags & V_ADP_VESA) 1117198251Sjkim return (ENXIO); 111842504Syokota if (adp->va_type == KD_VGA) 111942504Syokota break; 112039287Ssos } 1121198251Sjkim 112242504Syokota /* 112342504Syokota * The VGA adapter is not found. This is because either 112442504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 112542504Syokota * is not present. If 1) is the case, we shall defer 112642504Syokota * initialization for now and try again later. 112742504Syokota */ 112842504Syokota if (adp == NULL) { 112942504Syokota vga_sub_configure = vesa_configure; 1130198251Sjkim return (ENODEV); 113142504Syokota } 113242504Syokota 113342504Syokota /* count number of registered adapters */ 113442504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 113542504Syokota ; 113642504Syokota adapters = i; 113742504Syokota 113842504Syokota /* call VESA BIOS */ 113942504Syokota vesa_adp = adp; 114042504Syokota if (vesa_bios_init()) { 114142504Syokota vesa_adp = NULL; 1142198251Sjkim return (ENXIO); 114342504Syokota } 114442504Syokota vesa_adp->va_flags |= V_ADP_VESA; 114542504Syokota 114642504Syokota /* remove conflicting modes if we have more than one adapter */ 114742504Syokota if (adapters > 1) { 114842504Syokota vesa_clear_modes(vesa_vmode, 114942504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 115042504Syokota V_INFO_COLOR : 0); 115142504Syokota } 115242504Syokota 115342504Syokota if ((error = vesa_load_ioctl()) == 0) { 115442504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 115542504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 115642504Syokota vesa_init_done = TRUE; 115742504Syokota } else { 115842504Syokota vesa_adp = NULL; 1159198251Sjkim return (error); 116042504Syokota } 116142504Syokota 1162198251Sjkim return (0); 116339287Ssos} 116439287Ssos 116548399Speter#if 0 116642504Syokotastatic int 116742504Syokotavesa_nop(void) 116839287Ssos{ 1169198251Sjkim 1170198251Sjkim return (0); 117139287Ssos} 117248399Speter#endif 117339287Ssos 117439287Ssosstatic int 117548104Syokotavesa_error(void) 117648104Syokota{ 1177198251Sjkim 1178198251Sjkim return (1); 117948104Syokota} 118048104Syokota 118148104Syokotastatic int 118242504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 118339287Ssos{ 1184198251Sjkim 1185198251Sjkim return ((*prevvidsw->probe)(unit, adpp, arg, flags)); 118642504Syokota} 118742504Syokota 118842504Syokotastatic int 118942504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 119042504Syokota{ 1191198251Sjkim 1192198251Sjkim return ((*prevvidsw->init)(unit, adp, flags)); 119342504Syokota} 119442504Syokota 119542504Syokotastatic int 119642504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 119742504Syokota{ 119839287Ssos int i; 119939287Ssos 120042504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 1201198251Sjkim return (0); 120239287Ssos 120342504Syokota if (adp != vesa_adp) 1204198251Sjkim return (1); 120539591Syokota 120639591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 120739591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 120839287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 120939287Ssos if (vesa_vmode[i].vi_mode == NA) 121039287Ssos continue; 121139287Ssos if (vesa_vmode[i].vi_mode == mode) { 121239287Ssos *info = vesa_vmode[i]; 1213198251Sjkim return (0); 121439287Ssos } 121539287Ssos } 1216198251Sjkim return (1); 121739287Ssos} 121839287Ssos 121939287Ssosstatic int 122042504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 122139287Ssos{ 122239287Ssos int i; 122339287Ssos 122454258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 1225198251Sjkim return (0); 122642504Syokota if (adp != vesa_adp) 1227198251Sjkim return (ENODEV); 122839287Ssos 122939287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 123039287Ssos if ((info->vi_width != 0) 123139287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 123239287Ssos continue; 123339287Ssos if ((info->vi_height != 0) 123439287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 123539287Ssos continue; 123639287Ssos if ((info->vi_cwidth != 0) 123739287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 123839287Ssos continue; 123939287Ssos if ((info->vi_cheight != 0) 124039287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 124139287Ssos continue; 124239287Ssos if ((info->vi_depth != 0) 124339287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 124439287Ssos continue; 124539287Ssos if ((info->vi_planes != 0) 124639287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 124739287Ssos continue; 124839287Ssos /* pixel format, memory model */ 124939287Ssos if ((info->vi_flags != 0) 125039287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 125139287Ssos continue; 125254258Syokota *info = vesa_vmode[i]; 1253198251Sjkim return (0); 125439287Ssos } 1255198251Sjkim return (ENODEV); 125639287Ssos} 125739287Ssos 125839287Ssosstatic int 125942504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 126039287Ssos{ 126139287Ssos video_info_t info; 126239287Ssos 126342504Syokota if (adp != vesa_adp) 1264198251Sjkim return ((*prevvidsw->set_mode)(adp, mode)); 126539287Ssos 126648104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 126748104Syokota adp->va_flags & V_ADP_COLOR, mode); 126842504Syokota#if VESA_DEBUG > 0 126939287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 127048104Syokota adp->va_mode, adp->va_mode, mode, mode); 127139287Ssos#endif 127239287Ssos /* 127339287Ssos * If the current mode is a VESA mode and the new mode is not, 127448104Syokota * restore the state of the adapter first by setting one of the 127548104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 127648104Syokota * are set to the state compatible with the standard VGA modes. 127748104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 127848104Syokota * the new mode correctly. 127939287Ssos */ 128048104Syokota if (VESA_MODE(adp->va_mode)) { 1281198858Sjkim if (!VESA_MODE(mode) && 1282198858Sjkim (*prevvidsw->get_info)(adp, mode, &info) == 0) { 1283204265Sjkim if ((adp->va_flags & V_ADP_DAC8) != 0) { 1284204265Sjkim vesa_bios_set_dac(6); 1285204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1286204265Sjkim } 128748104Syokota int10_set_mode(adp->va_initial_bios_mode); 128848104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1289203530Sjkim pmap_unmapdev(adp->va_buffer, 1290205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 129148104Syokota /* 129248104Syokota * Once (*prevvidsw->get_info)() succeeded, 129348104Syokota * (*prevvidsw->set_mode)() below won't fail... 129448104Syokota */ 129539287Ssos } 129639287Ssos } 129739287Ssos 129839287Ssos /* we may not need to handle this mode after all... */ 1299198858Sjkim if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0) 1300198251Sjkim return (0); 130139287Ssos 130239287Ssos /* is the new mode supported? */ 130342504Syokota if (vesa_get_info(adp, mode, &info)) 1304198251Sjkim return (1); 130539287Ssos /* assert(VESA_MODE(mode)); */ 130639287Ssos 130742504Syokota#if VESA_DEBUG > 0 130839287Ssos printf("VESA: about to set a VESA mode...\n"); 130939287Ssos#endif 131048104Syokota /* don't use the linear frame buffer for text modes. XXX */ 131148104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 131248104Syokota info.vi_flags &= ~V_INFO_LINEAR; 131339287Ssos 131448104Syokota if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) 1315198251Sjkim return (1); 131639287Ssos 1317204265Sjkim /* Palette format is reset by the above VBE function call. */ 1318204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1319198858Sjkim 1320204265Sjkim if ((vesa_adp_info->v_flags & V_DAC8) != 0 && 1321204265Sjkim (info.vi_flags & V_INFO_GRAPHICS) != 0 && 1322204265Sjkim vesa_bios_set_dac(8) > 6) 1323204265Sjkim adp->va_flags |= V_ADP_DAC8; 1324204265Sjkim 132548104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1326205557Sjkim pmap_unmapdev(adp->va_buffer, 1327205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 132848104Syokota 132942504Syokota#if VESA_DEBUG > 0 133039287Ssos printf("VESA: mode set!\n"); 133139287Ssos#endif 133239287Ssos vesa_adp->va_mode = mode; 133339287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 133439287Ssos vesa_adp->va_flags |= 133539287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 133639287Ssos vesa_adp->va_crtc_addr = 133742504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 1338205564Sjkim 1339205564Sjkim vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height; 1340205564Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1341205564Sjkim vesa_adp->va_line_width /= info.vi_planes; 1342205564Sjkim 1343205653Sjkim#ifdef MODE_TABLE_BROKEN 1344205564Sjkim /* If VBE function returns bigger bytes per scan line, use it. */ 1345205653Sjkim { 1346205653Sjkim int bpsl = vesa_bios_get_line_length(); 1347205653Sjkim if (bpsl > vesa_adp->va_line_width) { 1348205653Sjkim vesa_adp->va_line_width = bpsl; 1349205653Sjkim info.vi_buffer_size = bpsl * info.vi_height; 1350205653Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1351205653Sjkim info.vi_buffer_size *= info.vi_planes; 1352205653Sjkim } 1353205564Sjkim } 1354205653Sjkim#endif 1355205564Sjkim 135648104Syokota if (info.vi_flags & V_INFO_LINEAR) { 135748104Syokota#if VESA_DEBUG > 1 135848104Syokota printf("VESA: setting up LFB\n"); 135948104Syokota#endif 136048104Syokota vesa_adp->va_buffer = 1361203530Sjkim (vm_offset_t)pmap_mapdev_attr(info.vi_buffer, 1362205557Sjkim vesa_adp_info->v_memsize * 64 * 1024, PAT_WRITE_COMBINING); 136348104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 1364203535Sjkim vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes; 1365203535Sjkim vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes; 136648104Syokota } else { 136739287Ssos vesa_adp->va_buffer = 0; 1368203451Sjkim vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window); 1369196704Sdelphij vesa_adp->va_window_size = info.vi_window_size; 1370196704Sdelphij vesa_adp->va_window_gran = info.vi_window_gran; 137139287Ssos } 1372203535Sjkim vesa_adp->va_buffer_size = info.vi_buffer_size; 137348104Syokota vesa_adp->va_window_orig = 0; 137448104Syokota vesa_adp->va_disp_start.x = 0; 137548104Syokota vesa_adp->va_disp_start.y = 0; 137643664Syokota#if VESA_DEBUG > 0 1377197496Sjkim printf("vesa_set_mode(): vi_width:%d, line_width:%d\n", 1378197496Sjkim info.vi_width, vesa_adp->va_line_width); 137943664Syokota#endif 138043674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 138139287Ssos 138242504Syokota /* move hardware cursor out of the way */ 138343674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 138442504Syokota 1385198251Sjkim return (0); 138639287Ssos} 138739287Ssos 138839287Ssosstatic int 1389150686Smariusvesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1390150686Smarius u_char *data, int ch, int count) 139139287Ssos{ 1392198251Sjkim 1393198251Sjkim return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data, 1394198251Sjkim ch, count)); 139539287Ssos} 139639287Ssos 139739287Ssosstatic int 1398150686Smariusvesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1399150686Smarius u_char *data, int ch, int count) 140039287Ssos{ 1401198251Sjkim 1402198251Sjkim return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data, 1403198251Sjkim ch, count)); 140439287Ssos} 140539287Ssos 140639287Ssosstatic int 140742504Syokotavesa_show_font(video_adapter_t *adp, int page) 140839287Ssos{ 1409198251Sjkim 1410198251Sjkim return ((*prevvidsw->show_font)(adp, page)); 141139287Ssos} 141239287Ssos 141339287Ssosstatic int 141442504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 141539287Ssos{ 141642729Syokota int bits; 141739287Ssos 1418205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1419204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1420205558Sjkim if (vesa_bios_save_palette(0, 256, palette, bits) == 0) 1421205558Sjkim return (0); 1422203078Sjkim } 142342729Syokota 1424198251Sjkim return ((*prevvidsw->save_palette)(adp, palette)); 142539287Ssos} 142639287Ssos 142739287Ssosstatic int 142842504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 142939287Ssos{ 143042729Syokota int bits; 143139287Ssos 1432205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1433204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1434205558Sjkim if (vesa_bios_load_palette(0, 256, palette, bits) == 0) 1435205558Sjkim return (0); 1436203078Sjkim } 143742729Syokota 1438198251Sjkim return ((*prevvidsw->load_palette)(adp, palette)); 143939287Ssos} 144039287Ssos 144139287Ssosstatic int 144242504Syokotavesa_set_border(video_adapter_t *adp, int color) 144339287Ssos{ 1444198251Sjkim 1445198251Sjkim return ((*prevvidsw->set_border)(adp, color)); 144639287Ssos} 144739287Ssos 144839287Ssosstatic int 144942504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 145039287Ssos{ 1451198251Sjkim 145242504Syokota if (adp != vesa_adp) 1453198251Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 145439287Ssos 1455210016Sjkim if (vesa_state_buf_size == 0) 1456210016Sjkim return (1); 145739287Ssos if (size == 0) 1458198419Sjkim return (offsetof(adp_state_t, regs) + vesa_state_buf_size); 1459210016Sjkim if (size < (offsetof(adp_state_t, regs) + vesa_state_buf_size)) 1460198251Sjkim return (1); 146139287Ssos 146239287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 146339287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 1464210016Sjkim return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs)); 146539287Ssos} 146639287Ssos 146739287Ssosstatic int 146842504Syokotavesa_load_state(video_adapter_t *adp, void *p) 146939287Ssos{ 1470198251Sjkim 147142504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 1472198251Sjkim return ((*prevvidsw->load_state)(adp, p)); 147339287Ssos 1474210016Sjkim if (vesa_state_buf_size == 0) 1475198419Sjkim return (1); 1476198419Sjkim 1477198964Sjkim /* Try BIOS POST to restore a sane state. */ 1478198964Sjkim (void)vesa_bios_post(); 1479198964Sjkim (void)int10_set_mode(adp->va_initial_bios_mode); 1480208279Sjkim (void)vesa_set_mode(adp, adp->va_mode); 1481198419Sjkim 1482210016Sjkim return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs)); 148339287Ssos} 148439287Ssos 148548399Speter#if 0 148639287Ssosstatic int 148748104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 148848104Syokota{ 1489197383Sdelphij x86regs_t regs; 149048104Syokota 1491198251Sjkim x86bios_init_regs(®s); 1492198251Sjkim regs.R_AX = 0x4f05; 1493198251Sjkim regs.R_BL = 0x10; 1494197025Sdelphij 1495197466Sjkim x86bios_intr(®s, 0x10); 1496197383Sdelphij 1497198251Sjkim if (regs.R_AX != 0x004f) 1498198251Sjkim return (1); 1499197387Sdelphij *offset = regs.DX * adp->va_window_gran; 1500197025Sdelphij 1501198251Sjkim return (0); 150248104Syokota} 150348399Speter#endif 150448104Syokota 150548104Syokotastatic int 150642504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 150739287Ssos{ 1508197383Sdelphij x86regs_t regs; 1509197383Sdelphij 151039287Ssos /* 151139287Ssos * This function should return as quickly as possible to 151239287Ssos * maintain good performance of the system. For this reason, 151339287Ssos * error checking is kept minimal and let the VESA BIOS to 151439287Ssos * detect error. 151539287Ssos */ 151642504Syokota if (adp != vesa_adp) 1517198251Sjkim return ((*prevvidsw->set_win_org)(adp, offset)); 151839287Ssos 151948104Syokota /* if this is a linear frame buffer, do nothing */ 152048104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1521198251Sjkim return (0); 152248104Syokota /* XXX */ 152348104Syokota if (adp->va_window_gran == 0) 1524198251Sjkim return (1); 152548104Syokota 1526198251Sjkim x86bios_init_regs(®s); 1527198251Sjkim regs.R_AX = 0x4f05; 1528198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1529198251Sjkim 1530197466Sjkim x86bios_intr(®s, 0x10); 1531197025Sdelphij 1532198251Sjkim if (regs.R_AX != 0x004f) 1533198251Sjkim return (1); 1534197025Sdelphij 1535198251Sjkim x86bios_init_regs(®s); 1536198251Sjkim regs.R_AX = 0x4f05; 1537198251Sjkim regs.R_BL = 1; 1538198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1539197466Sjkim x86bios_intr(®s, 0x10); 1540197025Sdelphij 154148104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 1542198251Sjkim return (0); /* XXX */ 154339287Ssos} 154439287Ssos 154539287Ssosstatic int 154642504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 154739287Ssos{ 1548198251Sjkim 1549198251Sjkim return ((*prevvidsw->read_hw_cursor)(adp, col, row)); 155039287Ssos} 155139287Ssos 155239287Ssosstatic int 155342504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 155439287Ssos{ 1555198251Sjkim 1556198251Sjkim return ((*prevvidsw->set_hw_cursor)(adp, col, row)); 155739287Ssos} 155839287Ssos 155939287Ssosstatic int 156042504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 156142504Syokota int celsize, int blink) 156239287Ssos{ 1563198251Sjkim 1564198251Sjkim return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 1565198251Sjkim blink)); 156642504Syokota} 156742504Syokota 156842504Syokotastatic int 156948104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 157042504Syokota{ 1571198251Sjkim 157248104Syokota /* XXX: use VESA DPMS */ 1573198251Sjkim return ((*prevvidsw->blank_display)(adp, mode)); 157442504Syokota} 157542504Syokota 157642504Syokotastatic int 1577201223Srnolandvesa_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 1578201223Srnoland int prot, vm_memattr_t *memattr) 157942504Syokota{ 1580198251Sjkim 158148104Syokota#if VESA_DEBUG > 0 1582201223Srnoland printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%jx\n", 158348104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 158442504Syokota#endif 158539287Ssos 1586198251Sjkim if ((adp == vesa_adp) && 1587198251Sjkim (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) { 158848104Syokota /* va_window_size == va_buffer_size/vi_planes */ 158948104Syokota /* XXX: is this correct? */ 159048104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 1591198251Sjkim return (-1); 1592111462Smux *paddr = adp->va_info.vi_buffer + offset; 1593198251Sjkim return (0); 159448104Syokota } 1595201223Srnoland return ((*prevvidsw->mmap)(adp, offset, paddr, prot, memattr)); 159648104Syokota} 159748104Syokota 159848104Syokotastatic int 159948104Syokotavesa_clear(video_adapter_t *adp) 160048104Syokota{ 1601198251Sjkim 1602198251Sjkim return ((*prevvidsw->clear)(adp)); 160348104Syokota} 160448104Syokota 160548104Syokotastatic int 160648104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 160748104Syokota{ 1608198251Sjkim 1609198251Sjkim return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy)); 161048104Syokota} 161148104Syokota 161248104Syokotastatic int 161348104Syokotavesa_bitblt(video_adapter_t *adp,...) 161448104Syokota{ 1615198251Sjkim 161648104Syokota /* FIXME */ 1617198251Sjkim return (1); 161848104Syokota} 161948104Syokota 162048104Syokotastatic int 162148104Syokotaget_palette(video_adapter_t *adp, int base, int count, 162248104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 162348104Syokota{ 162448104Syokota u_char *r; 162548104Syokota u_char *g; 162648104Syokota u_char *b; 162748104Syokota int bits; 162848104Syokota int error; 162948104Syokota 1630203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1631198251Sjkim return (1); 1632101557Srwatson if ((base + count) > 256) 1633198251Sjkim return (1); 1634203078Sjkim if (!VESA_MODE(adp->va_mode)) 1635198251Sjkim return (1); 163648104Syokota 1637204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1638198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 163948104Syokota g = r + count; 164048104Syokota b = g + count; 164148104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 164248104Syokota if (error == 0) { 164348104Syokota copyout(r, red, count); 164448104Syokota copyout(g, green, count); 164548104Syokota copyout(b, blue, count); 164648104Syokota if (trans != NULL) { 164748104Syokota bzero(r, count); 164848104Syokota copyout(r, trans, count); 164948104Syokota } 165048104Syokota } 165148104Syokota free(r, M_DEVBUF); 165248104Syokota 1653198251Sjkim return (error); 165448104Syokota} 165548104Syokota 165648104Syokotastatic int 165748104Syokotaset_palette(video_adapter_t *adp, int base, int count, 165848104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 165948104Syokota{ 166048104Syokota u_char *r; 166148104Syokota u_char *g; 166248104Syokota u_char *b; 166348104Syokota int bits; 166448104Syokota int error; 166548104Syokota 1666203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1667198251Sjkim return (1); 1668203078Sjkim if ((base + count) > 256) 1669198251Sjkim return (1); 1670203078Sjkim if (!VESA_MODE(adp->va_mode)) 1671203078Sjkim return (1); 167248104Syokota 1673204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1674198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 167548104Syokota g = r + count; 167648104Syokota b = g + count; 167748104Syokota copyin(red, r, count); 167848104Syokota copyin(green, g, count); 167948104Syokota copyin(blue, b, count); 168048104Syokota 168148104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 168248104Syokota free(r, M_DEVBUF); 168348104Syokota 1684198858Sjkim return (error); 168548104Syokota} 168648104Syokota 168748104Syokotastatic int 168848104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 168948104Syokota{ 169050446Syokota int bytes; 169150446Syokota 169242504Syokota if (adp != vesa_adp) 1693198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 169448104Syokota 169548104Syokota switch (cmd) { 169648104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 169750792Syokota if (!VESA_MODE(adp->va_mode)) 169850792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 169948104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 170048104Syokota 170148104Syokota case FBIO_SETDISPSTART: /* set display start address */ 170250792Syokota if (!VESA_MODE(adp->va_mode)) 1703198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 170448104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 170548104Syokota ((video_display_start_t *)arg)->y)) 1706198251Sjkim return (ENODEV); 170748104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 170848104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 1709198251Sjkim return (0); 171048104Syokota 171148104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 171250792Syokota if (!VESA_MODE(adp->va_mode)) 1713198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 171450446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 1715198251Sjkim return (ENODEV); 171650446Syokota adp->va_line_width = bytes; 171750446Syokota#if VESA_DEBUG > 1 171850446Syokota printf("new line width:%d\n", adp->va_line_width); 171950446Syokota#endif 1720198251Sjkim return (0); 172148104Syokota 172248104Syokota case FBIO_GETPALETTE: /* get color palette */ 172348104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 172448104Syokota ((video_color_palette_t *)arg)->count, 172548104Syokota ((video_color_palette_t *)arg)->red, 172648104Syokota ((video_color_palette_t *)arg)->green, 172748104Syokota ((video_color_palette_t *)arg)->blue, 172848104Syokota ((video_color_palette_t *)arg)->transparent)) 1729198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1730198251Sjkim return (0); 173148104Syokota 173248104Syokota 173348104Syokota case FBIO_SETPALETTE: /* set color palette */ 173448104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 173548104Syokota ((video_color_palette_t *)arg)->count, 173648104Syokota ((video_color_palette_t *)arg)->red, 173748104Syokota ((video_color_palette_t *)arg)->green, 173848104Syokota ((video_color_palette_t *)arg)->blue, 173948104Syokota ((video_color_palette_t *)arg)->transparent)) 1740198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1741198251Sjkim return (0); 174248104Syokota 174348104Syokota case FBIOGETCMAP: /* get color palette */ 174448104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 174548104Syokota ((struct fbcmap *)arg)->count, 174648104Syokota ((struct fbcmap *)arg)->red, 174748104Syokota ((struct fbcmap *)arg)->green, 174848104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1749198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1750198251Sjkim return (0); 175148104Syokota 175248104Syokota case FBIOPUTCMAP: /* set color palette */ 175348104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 175448104Syokota ((struct fbcmap *)arg)->count, 175548104Syokota ((struct fbcmap *)arg)->red, 175648104Syokota ((struct fbcmap *)arg)->green, 175748104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1758198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1759198251Sjkim return (0); 176048104Syokota 176148104Syokota default: 1762198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 176348104Syokota } 176448104Syokota} 176548104Syokota 176648104Syokotastatic int 176748104Syokotavesa_diag(video_adapter_t *adp, int level) 176848104Syokota{ 176948104Syokota int error; 177048104Syokota 177148104Syokota /* call the previous handler first */ 177248104Syokota error = (*prevvidsw->diag)(adp, level); 177348104Syokota if (error) 1774198251Sjkim return (error); 177548104Syokota 177648104Syokota if (adp != vesa_adp) 1777198251Sjkim return (1); 177842504Syokota 177948104Syokota if (level <= 0) 1780198251Sjkim return (0); 178148104Syokota 1782198251Sjkim return (0); 178348104Syokota} 178448104Syokota 178548104Syokotastatic int 178648104Syokotavesa_bios_info(int level) 178748104Syokota{ 178848104Syokota#if VESA_DEBUG > 1 178948104Syokota struct vesa_mode vmode; 179048104Syokota int i; 179139591Syokota#endif 1792198251Sjkim uint16_t vers; 179339591Syokota 1794198251Sjkim vers = vesa_adp_info->v_version; 1795198251Sjkim 1796131398Sjhb if (bootverbose) { 1797131398Sjhb /* general adapter information */ 1798131398Sjhb printf( 1799131398Sjhb "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 1800198251Sjkim (vers >> 12) * 10 + ((vers & 0x0f00) >> 8), 1801198251Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f), 1802131398Sjhb vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 1803131398Sjhb vesa_vmodetab, vesa_adp_info->v_modetable); 180439287Ssos 1805131398Sjhb /* OEM string */ 1806131398Sjhb if (vesa_oemstr != NULL) 1807131398Sjhb printf("VESA: %s\n", vesa_oemstr); 1808131398Sjhb } 1809131398Sjhb 181039287Ssos if (level <= 0) 1811198251Sjkim return (0); 181239287Ssos 1813198251Sjkim if (vers >= 0x0200 && bootverbose) { 181448104Syokota /* vender name, product name, product revision */ 181548104Syokota printf("VESA: %s %s %s\n", 181648104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 181748104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 181848104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 181939287Ssos } 182039287Ssos 182142504Syokota#if VESA_DEBUG > 1 182239287Ssos /* mode information */ 182339858Syokota for (i = 0; 182439858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 182539858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 1826209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_NOWAIT)) 182739287Ssos continue; 182839287Ssos 182939287Ssos /* print something for diagnostic purpose */ 183039287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 183139287Ssos vesa_vmodetab[i], vmode.v_modeattr); 183239287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 183339287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 183439287Ssos printf(", G %dx%dx%d %d, ", 183539287Ssos vmode.v_width, vmode.v_height, 183639287Ssos vmode.v_bpp, vmode.v_planes); 183739287Ssos } else { 183839287Ssos printf(", T %dx%d, ", 183939287Ssos vmode.v_width, vmode.v_height); 184039287Ssos } 184148104Syokota printf("font:%dx%d, ", 184239287Ssos vmode.v_cwidth, vmode.v_cheight); 184348104Syokota printf("pages:%d, mem:%d", 184448104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 184539287Ssos } 184639287Ssos if (vmode.v_modeattr & V_MODELFB) { 184748104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 184848104Syokota vmode.v_lfb, vmode.v_offscreen, 184948104Syokota vmode.v_offscreensize*1024); 185039287Ssos } 185139287Ssos printf("\n"); 185239287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 185339287Ssos vmode.v_waseg, vmode.v_waattr, 185439287Ssos vmode.v_wbseg, vmode.v_wbattr); 185539287Ssos printf("size:%dk, gran:%dk\n", 185639287Ssos vmode.v_wsize, vmode.v_wgran); 185739287Ssos } 185848104Syokota#endif /* VESA_DEBUG > 1 */ 185939287Ssos 1860198251Sjkim return (0); 186139287Ssos} 186239287Ssos 186339287Ssos/* module loading */ 186439287Ssos 186542504Syokotastatic int 186639287Ssosvesa_load(void) 186739287Ssos{ 186839287Ssos int error; 186939287Ssos 187039287Ssos if (vesa_init_done) 1871198251Sjkim return (0); 187239287Ssos 1873210994Sjkim mtx_init(&vesa_lock, "VESA lock", NULL, MTX_DEF); 1874210994Sjkim 187542504Syokota /* locate a VGA adapter */ 187639287Ssos vesa_adp = NULL; 187742504Syokota error = vesa_configure(0); 187839287Ssos 187939287Ssos if (error == 0) 188048104Syokota vesa_bios_info(bootverbose); 188139287Ssos 1882198251Sjkim return (error); 188339287Ssos} 188439287Ssos 188539287Ssosstatic int 188642179Syokotavesa_unload(void) 188739287Ssos{ 188845117Syokota u_char palette[256*3]; 188939287Ssos int error; 189039287Ssos 189139287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 189239287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 1893198251Sjkim return (EBUSY); 189439287Ssos /* 189539287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 189639287Ssos * we shouldn't be unloading! XXX 189739287Ssos */ 189839287Ssos 189939287Ssos if ((error = vesa_unload_ioctl()) == 0) { 190044162Syokota if (vesa_adp != NULL) { 1901204265Sjkim if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) { 1902204265Sjkim vesa_bios_save_palette(0, 256, palette, 8); 1903204265Sjkim vesa_bios_set_dac(6); 1904204265Sjkim vesa_adp->va_flags &= ~V_ADP_DAC8; 1905204265Sjkim vesa_bios_load_palette(0, 256, palette, 6); 190645117Syokota } 190739287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 190844162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 190944162Syokota } 191039287Ssos } 191139287Ssos 1912211827Sjkim if (vesa_bios != NULL) { 1913211827Sjkim x86bios_set_intr(0x10, vesa_bios_int10); 1914211827Sjkim x86bios_free(vesa_bios, vesa_bios_size); 1915211827Sjkim } 1916206384Sjkim if (vesa_adp_info != NULL) 1917206384Sjkim free(vesa_adp_info, M_DEVBUF); 1918198251Sjkim if (vesa_oemstr != NULL) 1919198251Sjkim free(vesa_oemstr, M_DEVBUF); 1920198251Sjkim if (vesa_venderstr != NULL) 1921198251Sjkim free(vesa_venderstr, M_DEVBUF); 1922198251Sjkim if (vesa_prodstr != NULL) 1923198251Sjkim free(vesa_prodstr, M_DEVBUF); 1924198251Sjkim if (vesa_revstr != NULL) 1925198251Sjkim free(vesa_revstr, M_DEVBUF); 1926198251Sjkim if (vesa_vmode != &vesa_vmode_empty) 1927198251Sjkim free(vesa_vmode, M_DEVBUF); 1928210016Sjkim if (vesa_palette != NULL) 1929210016Sjkim x86bios_free(vesa_palette, 1930210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size); 1931210994Sjkim 1932210994Sjkim mtx_destroy(&vesa_lock); 1933210994Sjkim 1934198251Sjkim return (error); 193539287Ssos} 193639287Ssos 193742179Syokotastatic int 193842179Syokotavesa_mod_event(module_t mod, int type, void *data) 193939287Ssos{ 1940198251Sjkim 194142179Syokota switch (type) { 194242179Syokota case MOD_LOAD: 1943198251Sjkim return (vesa_load()); 194442179Syokota case MOD_UNLOAD: 1945198251Sjkim return (vesa_unload()); 194642179Syokota } 1947198251Sjkim return (EOPNOTSUPP); 194839287Ssos} 194939287Ssos 195042179Syokotastatic moduledata_t vesa_mod = { 195142179Syokota "vesa", 195242179Syokota vesa_mod_event, 195342179Syokota NULL, 195442179Syokota}; 195539287Ssos 195642504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1957197383SdelphijMODULE_DEPEND(vesa, x86bios, 1, 1, 1); 195842179Syokota 195956836Speter#endif /* VGA_NO_MODE_CHANGE */ 1960