vesa.c revision 232063
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 232063 2012-02-23 19:05:57Z jkim $"); 30115703Sobrien 3142504Syokota#include "opt_vga.h" 3266710Sjhb#include "opt_vesa.h" 3339287Ssos 3456836Speter#ifndef VGA_NO_MODE_CHANGE 3539287Ssos 3639287Ssos#include <sys/param.h> 37198251Sjkim#include <sys/bus.h> 3839287Ssos#include <sys/systm.h> 3939287Ssos#include <sys/kernel.h> 40210994Sjkim#include <sys/lock.h> 4142179Syokota#include <sys/module.h> 4239287Ssos#include <sys/malloc.h> 43210994Sjkim#include <sys/mutex.h> 4448104Syokota#include <sys/fbio.h> 45211827Sjkim#include <sys/sysctl.h> 4648104Syokota 4739287Ssos#include <vm/vm.h> 4848104Syokota#include <vm/vm_extern.h> 4948104Syokota#include <vm/vm_kern.h> 50130312Sjhb#include <vm/vm_param.h> 5139287Ssos#include <vm/pmap.h> 5239287Ssos 53197383Sdelphij#include <machine/pc/bios.h> 54197025Sdelphij#include <dev/fb/vesa.h> 5539287Ssos 5642504Syokota#include <dev/fb/fbreg.h> 5742504Syokota#include <dev/fb/vgareg.h> 5839287Ssos 59198251Sjkim#include <dev/pci/pcivar.h> 60198251Sjkim 6142504Syokota#include <isa/isareg.h> 6242504Syokota 63197444Sjkim#include <compat/x86bios/x86bios.h> 64197025Sdelphij 65211827Sjkim#define VESA_BIOS_OFFSET 0xc0000 66211827Sjkim#define VESA_PALETTE_SIZE (256 * 4) 67117710Srobert#define VESA_VIA_CLE266 "VIA CLE266\r\n" 68117710Srobert 6942504Syokota#ifndef VESA_DEBUG 7042611Syokota#define VESA_DEBUG 0 7142504Syokota#endif 7242504Syokota 7339287Ssos/* VESA video adapter state buffer stub */ 7439287Ssosstruct adp_state { 7539287Ssos int sig; 7639287Ssos#define V_STATE_SIG 0x61736576 7739287Ssos u_char regs[1]; 7839287Ssos}; 7939287Ssostypedef struct adp_state adp_state_t; 8039287Ssos 81210994Sjkimstatic struct mtx vesa_lock; 82210994Sjkim 83232063Sjkimstatic int vesa_state; 84210016Sjkimstatic void *vesa_state_buf = NULL; 85210016Sjkimstatic uint32_t vesa_state_buf_offs = 0; 86210016Sjkimstatic ssize_t vesa_state_buf_size = 0; 87210016Sjkim 88210016Sjkimstatic u_char *vesa_palette = NULL; 89210016Sjkimstatic uint32_t vesa_palette_offs = 0; 90210016Sjkim 91211827Sjkimstatic void *vesa_bios = NULL; 92211827Sjkimstatic uint32_t vesa_bios_offs = VESA_BIOS_OFFSET; 93211827Sjkimstatic uint32_t vesa_bios_int10 = 0; 94211827Sjkimstatic size_t vesa_bios_size = 0; 95211827Sjkim 9639287Ssos/* VESA video adapter */ 9739287Ssosstatic video_adapter_t *vesa_adp = NULL; 9839287Ssos 99227309Sedstatic SYSCTL_NODE(_debug, OID_AUTO, vesa, CTLFLAG_RD, NULL, "VESA debugging"); 100212154Sjkimstatic int vesa_shadow_rom = 0; 101211827SjkimTUNABLE_INT("debug.vesa.shadow_rom", &vesa_shadow_rom); 102211827SjkimSYSCTL_INT(_debug_vesa, OID_AUTO, shadow_rom, CTLFLAG_RDTUN, &vesa_shadow_rom, 103212154Sjkim 0, "Enable video BIOS shadow"); 104211827Sjkim 10539287Ssos/* VESA functions */ 10648399Speter#if 0 10742504Syokotastatic int vesa_nop(void); 10848399Speter#endif 10948104Syokotastatic int vesa_error(void); 11042504Syokotastatic vi_probe_t vesa_probe; 11139287Ssosstatic vi_init_t vesa_init; 11239287Ssosstatic vi_get_info_t vesa_get_info; 11339287Ssosstatic vi_query_mode_t vesa_query_mode; 11439287Ssosstatic vi_set_mode_t vesa_set_mode; 11539287Ssosstatic vi_save_font_t vesa_save_font; 11639287Ssosstatic vi_load_font_t vesa_load_font; 11739287Ssosstatic vi_show_font_t vesa_show_font; 11839287Ssosstatic vi_save_palette_t vesa_save_palette; 11939287Ssosstatic vi_load_palette_t vesa_load_palette; 12039287Ssosstatic vi_set_border_t vesa_set_border; 12139287Ssosstatic vi_save_state_t vesa_save_state; 12239287Ssosstatic vi_load_state_t vesa_load_state; 12339287Ssosstatic vi_set_win_org_t vesa_set_origin; 12439287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 12539287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 12642504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 12748104Syokotastatic vi_blank_display_t vesa_blank_display; 12842504Syokotastatic vi_mmap_t vesa_mmap; 12948104Syokotastatic vi_ioctl_t vesa_ioctl; 13048104Syokotastatic vi_clear_t vesa_clear; 13148104Syokotastatic vi_fill_rect_t vesa_fill_rect; 13248104Syokotastatic vi_bitblt_t vesa_bitblt; 13339287Ssosstatic vi_diag_t vesa_diag; 13448104Syokotastatic int vesa_bios_info(int level); 13539287Ssos 13642504Syokotastatic video_switch_t vesavidsw = { 13742504Syokota vesa_probe, 13842504Syokota vesa_init, 13942504Syokota vesa_get_info, 14042504Syokota vesa_query_mode, 14142504Syokota vesa_set_mode, 14242504Syokota vesa_save_font, 14342504Syokota vesa_load_font, 14442504Syokota vesa_show_font, 14542504Syokota vesa_save_palette, 14642504Syokota vesa_load_palette, 14742504Syokota vesa_set_border, 14842504Syokota vesa_save_state, 14942504Syokota vesa_load_state, 15042504Syokota vesa_set_origin, 15142504Syokota vesa_read_hw_cursor, 15242504Syokota vesa_set_hw_cursor, 15342504Syokota vesa_set_hw_cursor_shape, 15448104Syokota vesa_blank_display, 15542504Syokota vesa_mmap, 15648104Syokota vesa_ioctl, 15748104Syokota vesa_clear, 15848104Syokota vesa_fill_rect, 15948104Syokota vesa_bitblt, 16048104Syokota vesa_error, 16148104Syokota vesa_error, 16239287Ssos vesa_diag, 16339287Ssos}; 16439287Ssos 16542504Syokotastatic video_switch_t *prevvidsw; 16639287Ssos 16739287Ssos/* VESA BIOS video modes */ 16839287Ssos#define VESA_MAXMODES 64 16939287Ssos#define EOT (-1) 17039287Ssos#define NA (-2) 17139287Ssos 17248104Syokota#define MODE_TABLE_DELTA 8 17339287Ssos 17448104Syokotastatic int vesa_vmode_max = 0; 17548104Syokotastatic video_info_t vesa_vmode_empty = { EOT }; 17648104Syokotastatic video_info_t *vesa_vmode = &vesa_vmode_empty; 17748104Syokota 17839287Ssosstatic int vesa_init_done = FALSE; 17939287Ssosstatic int has_vesa_bios = FALSE; 18039287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 18139287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 18239858Syokotastatic char *vesa_oemstr = NULL; 18339858Syokotastatic char *vesa_venderstr = NULL; 18439858Syokotastatic char *vesa_prodstr = NULL; 18539858Syokotastatic char *vesa_revstr = NULL; 18639287Ssos 18739287Ssos/* local macros and functions */ 18839287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 18939287Ssos 19042504Syokotastatic int int10_set_mode(int mode); 191198251Sjkimstatic int vesa_bios_post(void); 192209491Sjkimstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags); 19339287Ssosstatic int vesa_bios_set_mode(int mode); 194204265Sjkim#if 0 19545117Syokotastatic int vesa_bios_get_dac(void); 196204265Sjkim#endif 19739287Ssosstatic int vesa_bios_set_dac(int bits); 19842729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 19942729Syokota int bits); 20048104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 20148104Syokota u_char *b, int bits); 20242729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 20342729Syokota int bits); 20448104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 20548104Syokota u_char *b, int bits); 20639287Ssos#define STATE_SIZE 0 20739287Ssos#define STATE_SAVE 1 20839287Ssos#define STATE_LOAD 2 209232063Sjkimstatic ssize_t vesa_bios_state_buf_size(int); 210210016Sjkimstatic int vesa_bios_save_restore(int code, void *p); 211205653Sjkim#ifdef MODE_TABLE_BROKEN 21243664Syokotastatic int vesa_bios_get_line_length(void); 213205653Sjkim#endif 21450446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 21548399Speter#if 0 21648104Syokotastatic int vesa_bios_get_start(int *x, int *y); 21748399Speter#endif 21848104Syokotastatic int vesa_bios_set_start(int x, int y); 21939591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 22039591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 22148104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 222205564Sjkimstatic int vesa_get_bpscanline(struct vesa_mode *vmode); 22339287Ssosstatic int vesa_bios_init(void); 22439591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 22539287Ssos 22648399Speter#if 0 22748104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 22848399Speter#endif 22948104Syokota 23042504Syokota/* INT 10 BIOS calls */ 23142504Syokotastatic int 23242504Syokotaint10_set_mode(int mode) 23342504Syokota{ 234197383Sdelphij x86regs_t regs; 23542504Syokota 236198251Sjkim x86bios_init_regs(®s); 237198251Sjkim regs.R_AL = mode; 238197383Sdelphij 239197466Sjkim x86bios_intr(®s, 0x10); 240197383Sdelphij 241198251Sjkim return (0); 24242504Syokota} 24342504Syokota 244198251Sjkimstatic int 245198251Sjkimvesa_bios_post(void) 246198251Sjkim{ 247198251Sjkim x86regs_t regs; 248198251Sjkim devclass_t dc; 249198251Sjkim device_t *devs; 250198251Sjkim device_t dev; 251198251Sjkim int count, i, is_pci; 252198251Sjkim 253211827Sjkim if (x86bios_get_orm(vesa_bios_offs) == NULL) 254198251Sjkim return (1); 255198251Sjkim 256198251Sjkim dev = NULL; 257198251Sjkim is_pci = 0; 258198251Sjkim 259198251Sjkim /* Find the matching PCI video controller. */ 260198251Sjkim dc = devclass_find("vgapci"); 261198251Sjkim if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) { 262208276Sjkim for (i = 0; i < count; i++) 263208276Sjkim if (device_get_flags(devs[i]) != 0 && 264211827Sjkim x86bios_match_device(vesa_bios_offs, devs[i])) { 265208276Sjkim dev = devs[i]; 266198251Sjkim is_pci = 1; 267198251Sjkim break; 268198251Sjkim } 269198251Sjkim free(devs, M_TEMP); 270198251Sjkim } 271198251Sjkim 272198251Sjkim /* Try VGA if a PCI device is not found. */ 273198251Sjkim if (dev == NULL) { 274198251Sjkim dc = devclass_find(VGA_DRIVER_NAME); 275198251Sjkim if (dc != NULL) 276198251Sjkim dev = devclass_get_device(dc, 0); 277198251Sjkim } 278198251Sjkim 279198251Sjkim if (bootverbose) 280198251Sjkim printf("%s: calling BIOS POST\n", 281198251Sjkim dev == NULL ? "VESA" : device_get_nameunit(dev)); 282198251Sjkim 283198251Sjkim x86bios_init_regs(®s); 284198251Sjkim if (is_pci) { 285198251Sjkim regs.R_AH = pci_get_bus(dev); 286198251Sjkim regs.R_AL = (pci_get_slot(dev) << 3) | 287198251Sjkim (pci_get_function(dev) & 0x07); 288198251Sjkim } 289198251Sjkim regs.R_DL = 0x80; 290211827Sjkim x86bios_call(®s, X86BIOS_PHYSTOSEG(vesa_bios_offs + 3), 291211827Sjkim X86BIOS_PHYSTOOFF(vesa_bios_offs + 3)); 292198419Sjkim 293198419Sjkim if (x86bios_get_intr(0x10) == 0) 294198419Sjkim return (1); 295198419Sjkim 296198251Sjkim return (0); 297198251Sjkim} 298198251Sjkim 29939287Ssos/* VESA BIOS calls */ 30039287Ssosstatic int 301209491Sjkimvesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags) 30239287Ssos{ 303197383Sdelphij x86regs_t regs; 304198251Sjkim uint32_t offs; 305198251Sjkim void *buf; 30639287Ssos 307209491Sjkim buf = x86bios_alloc(&offs, sizeof(*vmode), flags); 308198251Sjkim if (buf == NULL) 309198251Sjkim return (1); 31044846Sjlemon 311198251Sjkim x86bios_init_regs(®s); 312198251Sjkim regs.R_AX = 0x4f01; 313198251Sjkim regs.R_CX = mode; 314197025Sdelphij 315198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 316198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 317197025Sdelphij 318197466Sjkim x86bios_intr(®s, 0x10); 319197383Sdelphij 320198251Sjkim if (regs.R_AX != 0x004f) { 321198251Sjkim x86bios_free(buf, sizeof(*vmode)); 322198251Sjkim return (1); 323197383Sdelphij } 324197025Sdelphij 32539287Ssos bcopy(buf, vmode, sizeof(*vmode)); 326198251Sjkim x86bios_free(buf, sizeof(*vmode)); 327197025Sdelphij 328198251Sjkim return (0); 32939287Ssos} 33039287Ssos 33139287Ssosstatic int 33239287Ssosvesa_bios_set_mode(int mode) 33339287Ssos{ 334197383Sdelphij x86regs_t regs; 33539287Ssos 336198251Sjkim x86bios_init_regs(®s); 337198251Sjkim regs.R_AX = 0x4f02; 338198251Sjkim regs.R_BX = mode; 339197025Sdelphij 340197466Sjkim x86bios_intr(®s, 0x10); 341197383Sdelphij 342198251Sjkim return (regs.R_AX != 0x004f); 34339287Ssos} 34439287Ssos 345204265Sjkim#if 0 34639287Ssosstatic int 34745117Syokotavesa_bios_get_dac(void) 34845117Syokota{ 349197383Sdelphij x86regs_t regs; 35045117Syokota 351198251Sjkim x86bios_init_regs(®s); 352198251Sjkim regs.R_AX = 0x4f08; 353198251Sjkim regs.R_BL = 1; 354197025Sdelphij 355197466Sjkim x86bios_intr(®s, 0x10); 356197383Sdelphij 357198251Sjkim if (regs.R_AX != 0x004f) 358198251Sjkim return (6); 359197025Sdelphij 360198251Sjkim return (regs.R_BH); 36145117Syokota} 362204265Sjkim#endif 36345117Syokota 36445117Syokotastatic int 36539287Ssosvesa_bios_set_dac(int bits) 36639287Ssos{ 367197383Sdelphij x86regs_t regs; 36839287Ssos 369198251Sjkim x86bios_init_regs(®s); 370198251Sjkim regs.R_AX = 0x4f08; 371198251Sjkim /* regs.R_BL = 0; */ 372198251Sjkim regs.R_BH = bits; 373197025Sdelphij 374197466Sjkim x86bios_intr(®s, 0x10); 375197383Sdelphij 376198251Sjkim if (regs.R_AX != 0x004f) 377198251Sjkim return (6); 378197025Sdelphij 379198251Sjkim return (regs.R_BH); 38039287Ssos} 38139287Ssos 38239287Ssosstatic int 38342729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 38439287Ssos{ 385197383Sdelphij x86regs_t regs; 38639287Ssos int i; 38739287Ssos 388198251Sjkim x86bios_init_regs(®s); 389198251Sjkim regs.R_AX = 0x4f09; 390198251Sjkim regs.R_BL = 1; 391198251Sjkim regs.R_CX = colors; 392198251Sjkim regs.R_DX = start; 393197025Sdelphij 394210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 395210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 396197025Sdelphij 397210994Sjkim bits = 8 - bits; 398210994Sjkim mtx_lock(&vesa_lock); 399197466Sjkim x86bios_intr(®s, 0x10); 400210994Sjkim if (regs.R_AX != 0x004f) { 401210994Sjkim mtx_unlock(&vesa_lock); 402198251Sjkim return (1); 403210994Sjkim } 40439287Ssos for (i = 0; i < colors; ++i) { 405210016Sjkim palette[i * 3] = vesa_palette[i * 4 + 2] << bits; 406210016Sjkim palette[i * 3 + 1] = vesa_palette[i * 4 + 1] << bits; 407210016Sjkim palette[i * 3 + 2] = vesa_palette[i * 4] << bits; 40839287Ssos } 409210994Sjkim mtx_unlock(&vesa_lock); 410197383Sdelphij 411198251Sjkim return (0); 41239287Ssos} 41339287Ssos 41439287Ssosstatic int 41548104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 41648104Syokota int bits) 41748104Syokota{ 418197383Sdelphij x86regs_t regs; 41948104Syokota int i; 42048104Syokota 421198251Sjkim x86bios_init_regs(®s); 422198251Sjkim regs.R_AX = 0x4f09; 423198251Sjkim regs.R_BL = 1; 424198251Sjkim regs.R_CX = colors; 425198251Sjkim regs.R_DX = start; 426197025Sdelphij 427210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 428210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 429197025Sdelphij 430210994Sjkim bits = 8 - bits; 431210994Sjkim mtx_lock(&vesa_lock); 432197466Sjkim x86bios_intr(®s, 0x10); 433210994Sjkim if (regs.R_AX != 0x004f) { 434210994Sjkim mtx_unlock(&vesa_lock); 435198251Sjkim return (1); 436210994Sjkim } 43748104Syokota for (i = 0; i < colors; ++i) { 438210016Sjkim r[i] = vesa_palette[i * 4 + 2] << bits; 439210016Sjkim g[i] = vesa_palette[i * 4 + 1] << bits; 440210016Sjkim b[i] = vesa_palette[i * 4] << bits; 44148104Syokota } 442210994Sjkim mtx_unlock(&vesa_lock); 443197383Sdelphij 444198251Sjkim return (0); 44548104Syokota} 44648104Syokota 44748104Syokotastatic int 44842729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 44939287Ssos{ 450197383Sdelphij x86regs_t regs; 45139287Ssos int i; 45239287Ssos 453198251Sjkim x86bios_init_regs(®s); 454198251Sjkim regs.R_AX = 0x4f09; 455198251Sjkim /* regs.R_BL = 0; */ 456198251Sjkim regs.R_CX = colors; 457198251Sjkim regs.R_DX = start; 458198251Sjkim 459210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 460210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 461198251Sjkim 46242729Syokota bits = 8 - bits; 463210994Sjkim mtx_lock(&vesa_lock); 46439287Ssos for (i = 0; i < colors; ++i) { 465210016Sjkim vesa_palette[i * 4] = palette[i * 3 + 2] >> bits; 466210016Sjkim vesa_palette[i * 4 + 1] = palette[i * 3 + 1] >> bits; 467210016Sjkim vesa_palette[i * 4 + 2] = palette[i * 3] >> bits; 468210016Sjkim vesa_palette[i * 4 + 3] = 0; 46939287Ssos } 470197466Sjkim x86bios_intr(®s, 0x10); 471210994Sjkim mtx_unlock(&vesa_lock); 472197025Sdelphij 473198251Sjkim return (regs.R_AX != 0x004f); 47439287Ssos} 47539287Ssos 47639287Ssosstatic int 47748104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 47848104Syokota int bits) 47948104Syokota{ 480197383Sdelphij x86regs_t regs; 48148104Syokota int i; 48248104Syokota 483198251Sjkim x86bios_init_regs(®s); 484198251Sjkim regs.R_AX = 0x4f09; 485198251Sjkim /* regs.R_BL = 0; */ 486198251Sjkim regs.R_CX = colors; 487198251Sjkim regs.R_DX = start; 488198251Sjkim 489210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 490210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 491198251Sjkim 49248104Syokota bits = 8 - bits; 493210994Sjkim mtx_lock(&vesa_lock); 49448104Syokota for (i = 0; i < colors; ++i) { 495210016Sjkim vesa_palette[i * 4] = b[i] >> bits; 496210016Sjkim vesa_palette[i * 4 + 1] = g[i] >> bits; 497210016Sjkim vesa_palette[i * 4 + 2] = r[i] >> bits; 498210016Sjkim vesa_palette[i * 4 + 3] = 0; 49948104Syokota } 500197466Sjkim x86bios_intr(®s, 0x10); 501210994Sjkim mtx_unlock(&vesa_lock); 502197025Sdelphij 503198251Sjkim return (regs.R_AX != 0x004f); 50448104Syokota} 50548104Syokota 506198419Sjkimstatic ssize_t 507232063Sjkimvesa_bios_state_buf_size(int state) 50839287Ssos{ 509197383Sdelphij x86regs_t regs; 51039287Ssos 511198251Sjkim x86bios_init_regs(®s); 512198251Sjkim regs.R_AX = 0x4f04; 513198251Sjkim /* regs.R_DL = STATE_SIZE; */ 514232063Sjkim regs.R_CX = state; 515197025Sdelphij 516197466Sjkim x86bios_intr(®s, 0x10); 517197383Sdelphij 518198251Sjkim if (regs.R_AX != 0x004f) 519198251Sjkim return (0); 520197025Sdelphij 521198251Sjkim return (regs.R_BX * 64); 52239287Ssos} 52339287Ssos 52439287Ssosstatic int 525210016Sjkimvesa_bios_save_restore(int code, void *p) 52639287Ssos{ 527197383Sdelphij x86regs_t regs; 52839287Ssos 529198251Sjkim if (code != STATE_SAVE && code != STATE_LOAD) 530198251Sjkim return (1); 531197025Sdelphij 532198251Sjkim x86bios_init_regs(®s); 533198251Sjkim regs.R_AX = 0x4f04; 534198251Sjkim regs.R_DL = code; 535232063Sjkim regs.R_CX = vesa_state; 536197025Sdelphij 537210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_state_buf_offs); 538210016Sjkim regs.R_BX = X86BIOS_PHYSTOOFF(vesa_state_buf_offs); 53944846Sjlemon 540210994Sjkim mtx_lock(&vesa_lock); 541198251Sjkim switch (code) { 542198251Sjkim case STATE_SAVE: 543198251Sjkim x86bios_intr(®s, 0x10); 544210016Sjkim bcopy(vesa_state_buf, p, vesa_state_buf_size); 545198251Sjkim break; 546198251Sjkim case STATE_LOAD: 547210016Sjkim bcopy(p, vesa_state_buf, vesa_state_buf_size); 548198251Sjkim x86bios_intr(®s, 0x10); 549198251Sjkim break; 550198251Sjkim } 551210994Sjkim mtx_unlock(&vesa_lock); 552197025Sdelphij 553198251Sjkim return (regs.R_AX != 0x004f); 55439287Ssos} 55539287Ssos 556205653Sjkim#ifdef MODE_TABLE_BROKEN 55743664Syokotastatic int 55843664Syokotavesa_bios_get_line_length(void) 55943664Syokota{ 560197383Sdelphij x86regs_t regs; 56143664Syokota 562198251Sjkim x86bios_init_regs(®s); 563198251Sjkim regs.R_AX = 0x4f06; 564198251Sjkim regs.R_BL = 1; 565197025Sdelphij 566197466Sjkim x86bios_intr(®s, 0x10); 567197383Sdelphij 568198251Sjkim if (regs.R_AX != 0x004f) 569198251Sjkim return (-1); 570197383Sdelphij 571198251Sjkim return (regs.R_BX); 57243664Syokota} 573205653Sjkim#endif 57443664Syokota 57548104Syokotastatic int 57650446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 57748104Syokota{ 578197383Sdelphij x86regs_t regs; 57948104Syokota 580198251Sjkim x86bios_init_regs(®s); 581198251Sjkim regs.R_AX = 0x4f06; 582198251Sjkim /* regs.R_BL = 0; */ 583198251Sjkim regs.R_CX = pixel; 584197025Sdelphij 585197466Sjkim x86bios_intr(®s, 0x10); 586197383Sdelphij 58748104Syokota#if VESA_DEBUG > 1 588197383Sdelphij printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX); 58948104Syokota#endif 590198251Sjkim if (regs.R_AX != 0x004f) 591198251Sjkim return (-1); 592197025Sdelphij 593198251Sjkim if (bytes != NULL) 594197383Sdelphij *bytes = regs.R_BX; 595198251Sjkim if (lines != NULL) 596197383Sdelphij *lines = regs.R_DX; 597197025Sdelphij 598198251Sjkim return (0); 59948104Syokota} 60048104Syokota 60148399Speter#if 0 60248104Syokotastatic int 60348104Syokotavesa_bios_get_start(int *x, int *y) 60448104Syokota{ 605197383Sdelphij x86regs_t regs; 60648104Syokota 607198251Sjkim x86bios_init_regs(®s); 608198251Sjkim regs.R_AX = 0x4f07; 609198251Sjkim regs.R_BL = 1; 610197025Sdelphij 611197466Sjkim x86bios_intr(®s, 0x10); 612197383Sdelphij 613198251Sjkim if (regs.R_AX != 0x004f) 614198251Sjkim return (-1); 615197025Sdelphij 616197383Sdelphij *x = regs.R_CX; 617197383Sdelphij *y = regs.R_DX; 618197025Sdelphij 619198251Sjkim return (0); 62048104Syokota} 62148399Speter#endif 62248104Syokota 62348104Syokotastatic int 62448104Syokotavesa_bios_set_start(int x, int y) 62548104Syokota{ 626197383Sdelphij x86regs_t regs; 62748104Syokota 628198251Sjkim x86bios_init_regs(®s); 629198251Sjkim regs.R_AX = 0x4f07; 630198251Sjkim regs.R_BL = 0x80; 631198251Sjkim regs.R_CX = x; 632198251Sjkim regs.R_DX = y; 633197025Sdelphij 634197466Sjkim x86bios_intr(®s, 0x10); 635197383Sdelphij 636198251Sjkim return (regs.R_AX != 0x004f); 63748104Syokota} 63848104Syokota 63939591Syokota/* map a generic video mode to a known mode */ 64039287Ssosstatic int 64139591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 64239287Ssos{ 64339591Syokota static struct { 64439591Syokota int from; 64539591Syokota int to; 64639591Syokota } mode_map[] = { 64739591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 64839591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 64939591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 65039591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 65139591Syokota }; 65239591Syokota int i; 65339591Syokota 65439591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 65539591Syokota if (mode_map[i].from == mode) 656198251Sjkim return (mode_map[i].to); 65739591Syokota } 658198251Sjkim return (mode); 65939591Syokota} 66039591Syokota 66139591Syokotastatic int 66239591Syokotavesa_translate_flags(u_int16_t vflags) 66339591Syokota{ 66439287Ssos static struct { 66539287Ssos u_int16_t mask; 66639287Ssos int set; 66739287Ssos int reset; 66839287Ssos } ftable[] = { 66939287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 67039287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 67142235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 672198858Sjkim { V_MODENONVGA, V_INFO_NONVGA, 0 }, 67339287Ssos }; 67439287Ssos int flags; 67539287Ssos int i; 67639287Ssos 67739287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 67839287Ssos flags |= (vflags & ftable[i].mask) ? 67939287Ssos ftable[i].set : ftable[i].reset; 68039287Ssos } 681198251Sjkim return (flags); 68239287Ssos} 68339287Ssos 68448104Syokotastatic int 68548104Syokotavesa_translate_mmodel(u_int8_t vmodel) 68648104Syokota{ 68748104Syokota static struct { 68848104Syokota u_int8_t vmodel; 68948104Syokota int mmodel; 69048104Syokota } mtable[] = { 69148104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 69248104Syokota { V_MMCGA, V_INFO_MM_CGA }, 69348104Syokota { V_MMHGC, V_INFO_MM_HGC }, 69448104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 69548104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 69648104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 69748104Syokota }; 69848104Syokota int i; 69948104Syokota 70048104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 70148104Syokota if (mtable[i].vmodel == vmodel) 702198251Sjkim return (mtable[i].mmodel); 70348104Syokota } 704198251Sjkim return (V_INFO_MM_OTHER); 70548104Syokota} 70648104Syokota 707205564Sjkimstatic int 708205564Sjkimvesa_get_bpscanline(struct vesa_mode *vmode) 709205564Sjkim{ 710205564Sjkim int bpsl; 711205564Sjkim 712205564Sjkim if ((vmode->v_modeattr & V_MODEGRAPHICS) != 0) { 713205564Sjkim /* Find the minimum length. */ 714205564Sjkim switch (vmode->v_bpp / vmode->v_planes) { 715205564Sjkim case 1: 716205564Sjkim bpsl = vmode->v_width / 8; 717205564Sjkim break; 718205564Sjkim case 2: 719205564Sjkim bpsl = vmode->v_width / 4; 720205564Sjkim break; 721205564Sjkim case 4: 722205564Sjkim bpsl = vmode->v_width / 2; 723205564Sjkim break; 724205564Sjkim default: 725205564Sjkim bpsl = vmode->v_width * ((vmode->v_bpp + 7) / 8); 726205564Sjkim bpsl /= vmode->v_planes; 727205564Sjkim break; 728205564Sjkim } 729205564Sjkim 730205564Sjkim /* Use VBE 3.0 information if it looks sane. */ 731205564Sjkim if ((vmode->v_modeattr & V_MODELFB) != 0 && 732205564Sjkim vesa_adp_info->v_version >= 0x0300 && 733205564Sjkim vmode->v_linbpscanline > bpsl) 734205564Sjkim return (vmode->v_linbpscanline); 735205564Sjkim 736205564Sjkim /* Return the minimum if the mode table looks absurd. */ 737205564Sjkim if (vmode->v_bpscanline < bpsl) 738205564Sjkim return (bpsl); 739205564Sjkim } 740205564Sjkim 741205564Sjkim return (vmode->v_bpscanline); 742205564Sjkim} 743205564Sjkim 744198251Sjkim#define VESA_MAXSTR 256 745198251Sjkim 746198251Sjkim#define VESA_STRCPY(dst, src) do { \ 747198251Sjkim char *str; \ 748198251Sjkim int i; \ 749198251Sjkim dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \ 750198251Sjkim str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \ 751198251Sjkim for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \ 752198251Sjkim dst[i] = str[i]; \ 753198251Sjkim dst[i] = '\0'; \ 754198251Sjkim} while (0) 755198251Sjkim 756197496Sjkimstatic int 75739287Ssosvesa_bios_init(void) 75839287Ssos{ 75939287Ssos struct vesa_mode vmode; 760206384Sjkim struct vesa_info *buf; 76148104Syokota video_info_t *p; 762197383Sdelphij x86regs_t regs; 763197496Sjkim size_t bsize; 764203535Sjkim size_t msize; 765198251Sjkim void *vmbuf; 766211827Sjkim uint8_t *vbios; 767198251Sjkim uint32_t offs; 768198251Sjkim uint16_t vers; 769117710Srobert int is_via_cle266; 77039287Ssos int modes; 77139287Ssos int i; 77239287Ssos 77339287Ssos if (vesa_init_done) 774198251Sjkim return (0); 77539287Ssos 77639287Ssos has_vesa_bios = FALSE; 77739287Ssos vesa_adp_info = NULL; 778211827Sjkim vesa_bios_offs = VESA_BIOS_OFFSET; 77948104Syokota vesa_vmode_max = 0; 78039287Ssos vesa_vmode[0].vi_mode = EOT; 78139287Ssos 782198251Sjkim /* 783198251Sjkim * If the VBE real mode interrupt vector is not found, try BIOS POST. 784198251Sjkim */ 785211827Sjkim vesa_bios_int10 = x86bios_get_intr(0x10); 786211827Sjkim if (vesa_bios_int10 == 0) { 787198251Sjkim if (vesa_bios_post() != 0) 788198251Sjkim return (1); 789211827Sjkim vesa_bios_int10 = x86bios_get_intr(0x10); 790211827Sjkim if (vesa_bios_int10 == 0) 791211827Sjkim return (1); 792198251Sjkim } 79344846Sjlemon 794211827Sjkim /* 795211827Sjkim * Shadow video ROM. 796211827Sjkim */ 797212070Sjkim offs = vesa_bios_int10; 798211827Sjkim if (vesa_shadow_rom) { 799211827Sjkim vbios = x86bios_get_orm(vesa_bios_offs); 800211827Sjkim if (vbios != NULL) { 801211827Sjkim vesa_bios_size = vbios[2] * 512; 802212580Sjkim if (((VESA_BIOS_OFFSET << 12) & 0xffff0000) == 803212580Sjkim (vesa_bios_int10 & 0xffff0000) && 804212580Sjkim vesa_bios_size > (vesa_bios_int10 & 0xffff)) { 805212070Sjkim vesa_bios = x86bios_alloc(&vesa_bios_offs, 806212070Sjkim vesa_bios_size, M_WAITOK); 807212070Sjkim memcpy(vesa_bios, vbios, vesa_bios_size); 808212580Sjkim offs = ((vesa_bios_offs << 12) & 0xffff0000) + 809212580Sjkim (vesa_bios_int10 & 0xffff); 810212070Sjkim x86bios_set_intr(0x10, offs); 811212580Sjkim } 812212070Sjkim } 813212070Sjkim if (vesa_bios == NULL) 814211827Sjkim printf("VESA: failed to shadow video ROM\n"); 815211827Sjkim } 816211827Sjkim if (bootverbose) 817211827Sjkim printf("VESA: INT 0x10 vector 0x%04x:0x%04x\n", 818211829Sjkim (offs >> 16) & 0xffff, offs & 0xffff); 819211827Sjkim 820198251Sjkim x86bios_init_regs(®s); 821198251Sjkim regs.R_AX = 0x4f00; 822197025Sdelphij 823209472Sjkim vmbuf = x86bios_alloc(&offs, sizeof(*buf), M_WAITOK); 824198251Sjkim 825198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 826198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 827198251Sjkim 828198251Sjkim bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 829197466Sjkim x86bios_intr(®s, 0x10); 830197025Sdelphij 831198251Sjkim if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0) 832198251Sjkim goto fail; 833197025Sdelphij 834206384Sjkim vesa_adp_info = buf = malloc(sizeof(*buf), M_DEVBUF, M_WAITOK); 835206384Sjkim bcopy(vmbuf, buf, sizeof(*buf)); 836197025Sdelphij 83742504Syokota if (bootverbose) { 83842504Syokota printf("VESA: information block\n"); 839206384Sjkim hexdump(buf, sizeof(*buf), NULL, HD_OMIT_CHARS); 84042504Syokota } 841198251Sjkim 842206384Sjkim vers = buf->v_version = le16toh(buf->v_version); 843206384Sjkim buf->v_oemstr = le32toh(buf->v_oemstr); 844206384Sjkim buf->v_flags = le32toh(buf->v_flags); 845206384Sjkim buf->v_modetable = le32toh(buf->v_modetable); 846206384Sjkim buf->v_memsize = le16toh(buf->v_memsize); 847206384Sjkim buf->v_revision = le16toh(buf->v_revision); 848206384Sjkim buf->v_venderstr = le32toh(buf->v_venderstr); 849206384Sjkim buf->v_prodstr = le32toh(buf->v_prodstr); 850206384Sjkim buf->v_revstr = le32toh(buf->v_revstr); 851198251Sjkim 852198251Sjkim if (vers < 0x0102) { 85348104Syokota printf("VESA: VBE version %d.%d is not supported; " 854203455Sjkim "version 1.2 or later is required.\n", 855203455Sjkim ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8), 856203455Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f)); 857209740Sjkim goto fail; 85848104Syokota } 85939287Ssos 860206384Sjkim VESA_STRCPY(vesa_oemstr, buf->v_oemstr); 861198251Sjkim if (vers >= 0x0200) { 862206384Sjkim VESA_STRCPY(vesa_venderstr, buf->v_venderstr); 863206384Sjkim VESA_STRCPY(vesa_prodstr, buf->v_prodstr); 864206384Sjkim VESA_STRCPY(vesa_revstr, buf->v_revstr); 86539858Syokota } 866198251Sjkim is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266, 867198251Sjkim sizeof(VESA_VIA_CLE266)) == 0; 86839858Syokota 869206384Sjkim if (buf->v_modetable == 0) 870198251Sjkim goto fail; 871197025Sdelphij 872206384Sjkim msize = (size_t)buf->v_memsize * 64 * 1024; 873203535Sjkim 874206384Sjkim vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf->v_modetable)); 875197025Sdelphij 876203455Sjkim for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) && 877203455Sjkim (vesa_vmodetab[i] != 0xffff); ++i) { 878198251Sjkim vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]); 879209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_WAITOK)) 88039287Ssos continue; 88139287Ssos 882198419Sjkim vmode.v_modeattr = le16toh(vmode.v_modeattr); 883198419Sjkim vmode.v_wgran = le16toh(vmode.v_wgran); 884198419Sjkim vmode.v_wsize = le16toh(vmode.v_wsize); 885198419Sjkim vmode.v_waseg = le16toh(vmode.v_waseg); 886198419Sjkim vmode.v_wbseg = le16toh(vmode.v_wbseg); 887198419Sjkim vmode.v_posfunc = le32toh(vmode.v_posfunc); 888198419Sjkim vmode.v_bpscanline = le16toh(vmode.v_bpscanline); 889198419Sjkim vmode.v_width = le16toh(vmode.v_width); 890198419Sjkim vmode.v_height = le16toh(vmode.v_height); 891198419Sjkim vmode.v_lfb = le32toh(vmode.v_lfb); 892198419Sjkim vmode.v_offscreen = le32toh(vmode.v_offscreen); 893198419Sjkim vmode.v_offscreensize = le16toh(vmode.v_offscreensize); 894198419Sjkim vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline); 895198419Sjkim vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock); 896198419Sjkim 89739287Ssos /* reject unsupported modes */ 89839287Ssos#if 0 899203455Sjkim if ((vmode.v_modeattr & 900203455Sjkim (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) != 901203455Sjkim (V_MODESUPP | V_MODEOPTINFO)) 90239287Ssos continue; 90339287Ssos#else 90467816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 90566710Sjhb#if VESA_DEBUG > 1 906203455Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 907203455Sjkim " attr = %x\n", 908203455Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 909203455Sjkim "graphics" : "text", 91066710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 91166710Sjhb vmode.v_modeattr); 91266710Sjhb#endif 91339287Ssos continue; 91466710Sjhb } 91539287Ssos#endif 91639287Ssos 917205564Sjkim bsize = vesa_get_bpscanline(&vmode) * vmode.v_height; 918203535Sjkim if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0) 919203535Sjkim bsize *= vmode.v_planes; 920203535Sjkim 921203535Sjkim /* Does it have enough memory to support this mode? */ 922203535Sjkim if (msize < bsize) { 923203535Sjkim#if VESA_DEBUG > 1 924203535Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 925203535Sjkim " attr = %x, not enough memory\n", 926203535Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 927203535Sjkim "graphics" : "text", 928203535Sjkim vmode.v_width, vmode.v_height, vmode.v_bpp, 929203535Sjkim vmode.v_modeattr); 930203535Sjkim#endif 931203535Sjkim continue; 932203535Sjkim } 933203535Sjkim 93448104Syokota /* expand the array if necessary */ 93548104Syokota if (modes >= vesa_vmode_max) { 93648104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 937203455Sjkim p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1), 938203455Sjkim M_DEVBUF, M_WAITOK); 93948104Syokota#if VESA_DEBUG > 1 94048104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 941203455Sjkim modes, vesa_vmode_max); 94248104Syokota#endif 94348104Syokota if (modes > 0) { 94448104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 94548104Syokota free(vesa_vmode, M_DEVBUF); 94648104Syokota } 94748104Syokota vesa_vmode = p; 94848104Syokota } 94948104Syokota 95066710Sjhb#if VESA_DEBUG > 1 95166710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 95266710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 95366710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 95466710Sjhb#endif 955117710Srobert if (is_via_cle266) { 956117710Srobert if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { 957117710Srobert vmode.v_width &= 0xff; 958117710Srobert vmode.v_waseg = 0xb8000 >> 4; 959117710Srobert } 960117710Srobert } 961117710Srobert 96239287Ssos /* copy some fields */ 96339287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 96439287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 96539287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 96639287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 96739287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 96839287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 96939287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 97039287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 971203455Sjkim vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4; 97239287Ssos /* XXX window B */ 973203455Sjkim vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024; 974203455Sjkim vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024; 975203535Sjkim if (vmode.v_modeattr & V_MODELFB) 97648104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 977203535Sjkim vesa_vmode[modes].vi_buffer_size = bsize; 978203455Sjkim vesa_vmode[modes].vi_mem_model = 979203455Sjkim vesa_translate_mmodel(vmode.v_memmodel); 980204236Sjkim switch (vesa_vmode[modes].vi_mem_model) { 981204236Sjkim case V_INFO_MM_DIRECT: 982204236Sjkim if ((vmode.v_modeattr & V_MODELFB) != 0 && 983204236Sjkim vers >= 0x0300) { 984204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 985204236Sjkim vmode.v_linredfieldpos; 986204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 987204236Sjkim vmode.v_lingreenfieldpos; 988204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 989204236Sjkim vmode.v_linbluefieldpos; 990204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 991204236Sjkim vmode.v_linresfieldpos; 992204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 993204236Sjkim vmode.v_linredmasksize; 994204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 995204236Sjkim vmode.v_lingreenmasksize; 996204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 997204236Sjkim vmode.v_linbluemasksize; 998204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 999204236Sjkim vmode.v_linresmasksize; 1000204236Sjkim } else { 1001204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 1002204236Sjkim vmode.v_redfieldpos; 1003204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 1004204236Sjkim vmode.v_greenfieldpos; 1005204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 1006204236Sjkim vmode.v_bluefieldpos; 1007204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 1008204236Sjkim vmode.v_resfieldpos; 1009204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 1010204236Sjkim vmode.v_redmasksize; 1011204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 1012204236Sjkim vmode.v_greenmasksize; 1013204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 1014204236Sjkim vmode.v_bluemasksize; 1015204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 1016204236Sjkim vmode.v_resmasksize; 1017204236Sjkim } 1018204236Sjkim /* FALLTHROUGH */ 1019204236Sjkim case V_INFO_MM_PACKED: 1020203455Sjkim vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8; 1021204236Sjkim break; 1022204236Sjkim } 1023203455Sjkim vesa_vmode[modes].vi_flags = 1024203455Sjkim vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 1025197496Sjkim 102639287Ssos ++modes; 102739287Ssos } 102839287Ssos vesa_vmode[modes].vi_mode = EOT; 1029197383Sdelphij 103039287Ssos if (bootverbose) 103139287Ssos printf("VESA: %d mode(s) found\n", modes); 103239287Ssos 103339858Syokota has_vesa_bios = (modes > 0); 1034142830Siedowse if (!has_vesa_bios) 1035198251Sjkim goto fail; 1036142830Siedowse 1037206384Sjkim x86bios_free(vmbuf, sizeof(*buf)); 1038210016Sjkim 1039232063Sjkim /* Probe supported save/restore states. */ 1040232063Sjkim for (i = 0; i < 4; i++) 1041232063Sjkim if (vesa_bios_state_buf_size(1 << i) > 0) 1042232063Sjkim vesa_state |= 1 << i; 1043232063Sjkim if (vesa_state != 0) 1044232063Sjkim vesa_state_buf_size = vesa_bios_state_buf_size(vesa_state); 1045210016Sjkim vesa_palette = x86bios_alloc(&vesa_palette_offs, 1046210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size, M_WAITOK); 1047210016Sjkim if (vesa_state_buf_size > 0) { 1048210016Sjkim vesa_state_buf = vesa_palette + VESA_PALETTE_SIZE; 1049210016Sjkim vesa_state_buf_offs = vesa_palette_offs + VESA_PALETTE_SIZE; 1050210016Sjkim } 1051210016Sjkim 1052142830Siedowse return (0); 1053198251Sjkim 1054198251Sjkimfail: 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 1314231842Sjkim if ((info.vi_flags & V_INFO_LINEAR) != 0) 1315231842Sjkim mode |= 0x4000; 1316231842Sjkim if (vesa_bios_set_mode(mode)) 1317198251Sjkim return (1); 131839287Ssos 1319204265Sjkim /* Palette format is reset by the above VBE function call. */ 1320204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1321198858Sjkim 1322204265Sjkim if ((vesa_adp_info->v_flags & V_DAC8) != 0 && 1323204265Sjkim (info.vi_flags & V_INFO_GRAPHICS) != 0 && 1324204265Sjkim vesa_bios_set_dac(8) > 6) 1325204265Sjkim adp->va_flags |= V_ADP_DAC8; 1326204265Sjkim 132748104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1328205557Sjkim pmap_unmapdev(adp->va_buffer, 1329205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 133048104Syokota 133142504Syokota#if VESA_DEBUG > 0 133239287Ssos printf("VESA: mode set!\n"); 133339287Ssos#endif 1334231842Sjkim vesa_adp->va_mode = mode & 0x1ff; /* Mode number is 9-bit. */ 133539287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 133639287Ssos vesa_adp->va_flags |= 133739287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 133839287Ssos vesa_adp->va_crtc_addr = 133942504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 1340205564Sjkim 1341205564Sjkim vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height; 1342205564Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1343205564Sjkim vesa_adp->va_line_width /= info.vi_planes; 1344205564Sjkim 1345205653Sjkim#ifdef MODE_TABLE_BROKEN 1346205564Sjkim /* If VBE function returns bigger bytes per scan line, use it. */ 1347205653Sjkim { 1348205653Sjkim int bpsl = vesa_bios_get_line_length(); 1349205653Sjkim if (bpsl > vesa_adp->va_line_width) { 1350205653Sjkim vesa_adp->va_line_width = bpsl; 1351205653Sjkim info.vi_buffer_size = bpsl * info.vi_height; 1352205653Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1353205653Sjkim info.vi_buffer_size *= info.vi_planes; 1354205653Sjkim } 1355205564Sjkim } 1356205653Sjkim#endif 1357205564Sjkim 135848104Syokota if (info.vi_flags & V_INFO_LINEAR) { 135948104Syokota#if VESA_DEBUG > 1 136048104Syokota printf("VESA: setting up LFB\n"); 136148104Syokota#endif 136248104Syokota vesa_adp->va_buffer = 1363203530Sjkim (vm_offset_t)pmap_mapdev_attr(info.vi_buffer, 1364205557Sjkim vesa_adp_info->v_memsize * 64 * 1024, PAT_WRITE_COMBINING); 136548104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 1366203535Sjkim vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes; 1367203535Sjkim vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes; 136848104Syokota } else { 136939287Ssos vesa_adp->va_buffer = 0; 1370203451Sjkim vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window); 1371196704Sdelphij vesa_adp->va_window_size = info.vi_window_size; 1372196704Sdelphij vesa_adp->va_window_gran = info.vi_window_gran; 137339287Ssos } 1374203535Sjkim vesa_adp->va_buffer_size = info.vi_buffer_size; 137548104Syokota vesa_adp->va_window_orig = 0; 137648104Syokota vesa_adp->va_disp_start.x = 0; 137748104Syokota vesa_adp->va_disp_start.y = 0; 137843664Syokota#if VESA_DEBUG > 0 1379197496Sjkim printf("vesa_set_mode(): vi_width:%d, line_width:%d\n", 1380197496Sjkim info.vi_width, vesa_adp->va_line_width); 138143664Syokota#endif 138243674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 138339287Ssos 138442504Syokota /* move hardware cursor out of the way */ 138543674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 138642504Syokota 1387198251Sjkim return (0); 138839287Ssos} 138939287Ssos 139039287Ssosstatic int 1391150686Smariusvesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1392150686Smarius u_char *data, int ch, int count) 139339287Ssos{ 1394198251Sjkim 1395198251Sjkim return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data, 1396198251Sjkim ch, count)); 139739287Ssos} 139839287Ssos 139939287Ssosstatic int 1400150686Smariusvesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1401150686Smarius u_char *data, int ch, int count) 140239287Ssos{ 1403198251Sjkim 1404198251Sjkim return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data, 1405198251Sjkim ch, count)); 140639287Ssos} 140739287Ssos 140839287Ssosstatic int 140942504Syokotavesa_show_font(video_adapter_t *adp, int page) 141039287Ssos{ 1411198251Sjkim 1412198251Sjkim return ((*prevvidsw->show_font)(adp, page)); 141339287Ssos} 141439287Ssos 141539287Ssosstatic int 141642504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 141739287Ssos{ 141842729Syokota int bits; 141939287Ssos 1420205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1421204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1422205558Sjkim if (vesa_bios_save_palette(0, 256, palette, bits) == 0) 1423205558Sjkim return (0); 1424203078Sjkim } 142542729Syokota 1426198251Sjkim return ((*prevvidsw->save_palette)(adp, palette)); 142739287Ssos} 142839287Ssos 142939287Ssosstatic int 143042504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 143139287Ssos{ 143242729Syokota int bits; 143339287Ssos 1434205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1435204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1436205558Sjkim if (vesa_bios_load_palette(0, 256, palette, bits) == 0) 1437205558Sjkim return (0); 1438203078Sjkim } 143942729Syokota 1440198251Sjkim return ((*prevvidsw->load_palette)(adp, palette)); 144139287Ssos} 144239287Ssos 144339287Ssosstatic int 144442504Syokotavesa_set_border(video_adapter_t *adp, int color) 144539287Ssos{ 1446198251Sjkim 1447198251Sjkim return ((*prevvidsw->set_border)(adp, color)); 144839287Ssos} 144939287Ssos 145039287Ssosstatic int 145142504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 145239287Ssos{ 1453198251Sjkim 145442504Syokota if (adp != vesa_adp) 1455198251Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 145639287Ssos 1457210016Sjkim if (vesa_state_buf_size == 0) 1458210016Sjkim return (1); 145939287Ssos if (size == 0) 1460198419Sjkim return (offsetof(adp_state_t, regs) + vesa_state_buf_size); 1461210016Sjkim if (size < (offsetof(adp_state_t, regs) + vesa_state_buf_size)) 1462198251Sjkim return (1); 146339287Ssos 146439287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 146539287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 1466210016Sjkim return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs)); 146739287Ssos} 146839287Ssos 146939287Ssosstatic int 147042504Syokotavesa_load_state(video_adapter_t *adp, void *p) 147139287Ssos{ 1472231843Sjkim int mode; 1473198251Sjkim 147442504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 1475198251Sjkim return ((*prevvidsw->load_state)(adp, p)); 147639287Ssos 1477210016Sjkim if (vesa_state_buf_size == 0) 1478198419Sjkim return (1); 1479198419Sjkim 1480198964Sjkim /* Try BIOS POST to restore a sane state. */ 1481198964Sjkim (void)vesa_bios_post(); 1482231843Sjkim mode = adp->va_mode; 1483231843Sjkim (void)vesa_set_mode(adp, adp->va_initial_mode); 1484232061Sjkim if (mode != adp->va_initial_mode) 1485231843Sjkim (void)vesa_set_mode(adp, mode); 1486198419Sjkim 1487210016Sjkim return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs)); 148839287Ssos} 148939287Ssos 149048399Speter#if 0 149139287Ssosstatic int 149248104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 149348104Syokota{ 1494197383Sdelphij x86regs_t regs; 149548104Syokota 1496198251Sjkim x86bios_init_regs(®s); 1497198251Sjkim regs.R_AX = 0x4f05; 1498198251Sjkim regs.R_BL = 0x10; 1499197025Sdelphij 1500197466Sjkim x86bios_intr(®s, 0x10); 1501197383Sdelphij 1502198251Sjkim if (regs.R_AX != 0x004f) 1503198251Sjkim return (1); 1504197387Sdelphij *offset = regs.DX * adp->va_window_gran; 1505197025Sdelphij 1506198251Sjkim return (0); 150748104Syokota} 150848399Speter#endif 150948104Syokota 151048104Syokotastatic int 151142504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 151239287Ssos{ 1513197383Sdelphij x86regs_t regs; 1514197383Sdelphij 151539287Ssos /* 151639287Ssos * This function should return as quickly as possible to 151739287Ssos * maintain good performance of the system. For this reason, 151839287Ssos * error checking is kept minimal and let the VESA BIOS to 151939287Ssos * detect error. 152039287Ssos */ 152142504Syokota if (adp != vesa_adp) 1522198251Sjkim return ((*prevvidsw->set_win_org)(adp, offset)); 152339287Ssos 152448104Syokota /* if this is a linear frame buffer, do nothing */ 152548104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1526198251Sjkim return (0); 152748104Syokota /* XXX */ 152848104Syokota if (adp->va_window_gran == 0) 1529198251Sjkim return (1); 153048104Syokota 1531198251Sjkim x86bios_init_regs(®s); 1532198251Sjkim regs.R_AX = 0x4f05; 1533198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1534198251Sjkim 1535197466Sjkim x86bios_intr(®s, 0x10); 1536197025Sdelphij 1537198251Sjkim if (regs.R_AX != 0x004f) 1538198251Sjkim return (1); 1539197025Sdelphij 1540198251Sjkim x86bios_init_regs(®s); 1541198251Sjkim regs.R_AX = 0x4f05; 1542198251Sjkim regs.R_BL = 1; 1543198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1544197466Sjkim x86bios_intr(®s, 0x10); 1545197025Sdelphij 154648104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 1547198251Sjkim return (0); /* XXX */ 154839287Ssos} 154939287Ssos 155039287Ssosstatic int 155142504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 155239287Ssos{ 1553198251Sjkim 1554198251Sjkim return ((*prevvidsw->read_hw_cursor)(adp, col, row)); 155539287Ssos} 155639287Ssos 155739287Ssosstatic int 155842504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 155939287Ssos{ 1560198251Sjkim 1561198251Sjkim return ((*prevvidsw->set_hw_cursor)(adp, col, row)); 156239287Ssos} 156339287Ssos 156439287Ssosstatic int 156542504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 156642504Syokota int celsize, int blink) 156739287Ssos{ 1568198251Sjkim 1569198251Sjkim return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 1570198251Sjkim blink)); 157142504Syokota} 157242504Syokota 157342504Syokotastatic int 157448104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 157542504Syokota{ 1576198251Sjkim 157748104Syokota /* XXX: use VESA DPMS */ 1578198251Sjkim return ((*prevvidsw->blank_display)(adp, mode)); 157942504Syokota} 158042504Syokota 158142504Syokotastatic int 1582201223Srnolandvesa_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 1583201223Srnoland int prot, vm_memattr_t *memattr) 158442504Syokota{ 1585198251Sjkim 158648104Syokota#if VESA_DEBUG > 0 1587201223Srnoland printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%jx\n", 158848104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 158942504Syokota#endif 159039287Ssos 1591198251Sjkim if ((adp == vesa_adp) && 1592198251Sjkim (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) { 159348104Syokota /* va_window_size == va_buffer_size/vi_planes */ 159448104Syokota /* XXX: is this correct? */ 159548104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 1596198251Sjkim return (-1); 1597111462Smux *paddr = adp->va_info.vi_buffer + offset; 1598198251Sjkim return (0); 159948104Syokota } 1600201223Srnoland return ((*prevvidsw->mmap)(adp, offset, paddr, prot, memattr)); 160148104Syokota} 160248104Syokota 160348104Syokotastatic int 160448104Syokotavesa_clear(video_adapter_t *adp) 160548104Syokota{ 1606198251Sjkim 1607198251Sjkim return ((*prevvidsw->clear)(adp)); 160848104Syokota} 160948104Syokota 161048104Syokotastatic int 161148104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 161248104Syokota{ 1613198251Sjkim 1614198251Sjkim return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy)); 161548104Syokota} 161648104Syokota 161748104Syokotastatic int 161848104Syokotavesa_bitblt(video_adapter_t *adp,...) 161948104Syokota{ 1620198251Sjkim 162148104Syokota /* FIXME */ 1622198251Sjkim return (1); 162348104Syokota} 162448104Syokota 162548104Syokotastatic int 162648104Syokotaget_palette(video_adapter_t *adp, int base, int count, 162748104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 162848104Syokota{ 162948104Syokota u_char *r; 163048104Syokota u_char *g; 163148104Syokota u_char *b; 163248104Syokota int bits; 163348104Syokota int error; 163448104Syokota 1635203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1636198251Sjkim return (1); 1637101557Srwatson if ((base + count) > 256) 1638198251Sjkim return (1); 1639203078Sjkim if (!VESA_MODE(adp->va_mode)) 1640198251Sjkim return (1); 164148104Syokota 1642204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1643198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 164448104Syokota g = r + count; 164548104Syokota b = g + count; 164648104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 164748104Syokota if (error == 0) { 164848104Syokota copyout(r, red, count); 164948104Syokota copyout(g, green, count); 165048104Syokota copyout(b, blue, count); 165148104Syokota if (trans != NULL) { 165248104Syokota bzero(r, count); 165348104Syokota copyout(r, trans, count); 165448104Syokota } 165548104Syokota } 165648104Syokota free(r, M_DEVBUF); 165748104Syokota 1658198251Sjkim return (error); 165948104Syokota} 166048104Syokota 166148104Syokotastatic int 166248104Syokotaset_palette(video_adapter_t *adp, int base, int count, 166348104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 166448104Syokota{ 166548104Syokota u_char *r; 166648104Syokota u_char *g; 166748104Syokota u_char *b; 166848104Syokota int bits; 166948104Syokota int error; 167048104Syokota 1671203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1672198251Sjkim return (1); 1673203078Sjkim if ((base + count) > 256) 1674198251Sjkim return (1); 1675203078Sjkim if (!VESA_MODE(adp->va_mode)) 1676203078Sjkim return (1); 167748104Syokota 1678204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1679198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 168048104Syokota g = r + count; 168148104Syokota b = g + count; 168248104Syokota copyin(red, r, count); 168348104Syokota copyin(green, g, count); 168448104Syokota copyin(blue, b, count); 168548104Syokota 168648104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 168748104Syokota free(r, M_DEVBUF); 168848104Syokota 1689198858Sjkim return (error); 169048104Syokota} 169148104Syokota 169248104Syokotastatic int 169348104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 169448104Syokota{ 169550446Syokota int bytes; 169650446Syokota 169742504Syokota if (adp != vesa_adp) 1698198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 169948104Syokota 170048104Syokota switch (cmd) { 170148104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 170250792Syokota if (!VESA_MODE(adp->va_mode)) 170350792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 170448104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 170548104Syokota 170648104Syokota case FBIO_SETDISPSTART: /* set display start address */ 170750792Syokota if (!VESA_MODE(adp->va_mode)) 1708198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 170948104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 171048104Syokota ((video_display_start_t *)arg)->y)) 1711198251Sjkim return (ENODEV); 171248104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 171348104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 1714198251Sjkim return (0); 171548104Syokota 171648104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 171750792Syokota if (!VESA_MODE(adp->va_mode)) 1718198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 171950446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 1720198251Sjkim return (ENODEV); 172150446Syokota adp->va_line_width = bytes; 172250446Syokota#if VESA_DEBUG > 1 172350446Syokota printf("new line width:%d\n", adp->va_line_width); 172450446Syokota#endif 1725198251Sjkim return (0); 172648104Syokota 172748104Syokota case FBIO_GETPALETTE: /* get color palette */ 172848104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 172948104Syokota ((video_color_palette_t *)arg)->count, 173048104Syokota ((video_color_palette_t *)arg)->red, 173148104Syokota ((video_color_palette_t *)arg)->green, 173248104Syokota ((video_color_palette_t *)arg)->blue, 173348104Syokota ((video_color_palette_t *)arg)->transparent)) 1734198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1735198251Sjkim return (0); 173648104Syokota 173748104Syokota 173848104Syokota case FBIO_SETPALETTE: /* set color palette */ 173948104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 174048104Syokota ((video_color_palette_t *)arg)->count, 174148104Syokota ((video_color_palette_t *)arg)->red, 174248104Syokota ((video_color_palette_t *)arg)->green, 174348104Syokota ((video_color_palette_t *)arg)->blue, 174448104Syokota ((video_color_palette_t *)arg)->transparent)) 1745198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1746198251Sjkim return (0); 174748104Syokota 174848104Syokota case FBIOGETCMAP: /* get color palette */ 174948104Syokota if (get_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 case FBIOPUTCMAP: /* set color palette */ 175848104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 175948104Syokota ((struct fbcmap *)arg)->count, 176048104Syokota ((struct fbcmap *)arg)->red, 176148104Syokota ((struct fbcmap *)arg)->green, 176248104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1763198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1764198251Sjkim return (0); 176548104Syokota 176648104Syokota default: 1767198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 176848104Syokota } 176948104Syokota} 177048104Syokota 177148104Syokotastatic int 177248104Syokotavesa_diag(video_adapter_t *adp, int level) 177348104Syokota{ 177448104Syokota int error; 177548104Syokota 177648104Syokota /* call the previous handler first */ 177748104Syokota error = (*prevvidsw->diag)(adp, level); 177848104Syokota if (error) 1779198251Sjkim return (error); 178048104Syokota 178148104Syokota if (adp != vesa_adp) 1782198251Sjkim return (1); 178342504Syokota 178448104Syokota if (level <= 0) 1785198251Sjkim return (0); 178648104Syokota 1787198251Sjkim return (0); 178848104Syokota} 178948104Syokota 179048104Syokotastatic int 179148104Syokotavesa_bios_info(int level) 179248104Syokota{ 179348104Syokota#if VESA_DEBUG > 1 179448104Syokota struct vesa_mode vmode; 179548104Syokota int i; 179639591Syokota#endif 1797198251Sjkim uint16_t vers; 179839591Syokota 1799198251Sjkim vers = vesa_adp_info->v_version; 1800198251Sjkim 1801131398Sjhb if (bootverbose) { 1802131398Sjhb /* general adapter information */ 1803131398Sjhb printf( 1804131398Sjhb "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 1805198251Sjkim (vers >> 12) * 10 + ((vers & 0x0f00) >> 8), 1806198251Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f), 1807131398Sjhb vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 1808131398Sjhb vesa_vmodetab, vesa_adp_info->v_modetable); 180939287Ssos 1810131398Sjhb /* OEM string */ 1811131398Sjhb if (vesa_oemstr != NULL) 1812131398Sjhb printf("VESA: %s\n", vesa_oemstr); 1813131398Sjhb } 1814131398Sjhb 181539287Ssos if (level <= 0) 1816198251Sjkim return (0); 181739287Ssos 1818198251Sjkim if (vers >= 0x0200 && bootverbose) { 181948104Syokota /* vender name, product name, product revision */ 182048104Syokota printf("VESA: %s %s %s\n", 182148104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 182248104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 182348104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 182439287Ssos } 182539287Ssos 182642504Syokota#if VESA_DEBUG > 1 182739287Ssos /* mode information */ 182839858Syokota for (i = 0; 182939858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 183039858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 1831209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_NOWAIT)) 183239287Ssos continue; 183339287Ssos 183439287Ssos /* print something for diagnostic purpose */ 183539287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 183639287Ssos vesa_vmodetab[i], vmode.v_modeattr); 183739287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 183839287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 183939287Ssos printf(", G %dx%dx%d %d, ", 184039287Ssos vmode.v_width, vmode.v_height, 184139287Ssos vmode.v_bpp, vmode.v_planes); 184239287Ssos } else { 184339287Ssos printf(", T %dx%d, ", 184439287Ssos vmode.v_width, vmode.v_height); 184539287Ssos } 184648104Syokota printf("font:%dx%d, ", 184739287Ssos vmode.v_cwidth, vmode.v_cheight); 184848104Syokota printf("pages:%d, mem:%d", 184948104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 185039287Ssos } 185139287Ssos if (vmode.v_modeattr & V_MODELFB) { 185248104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 185348104Syokota vmode.v_lfb, vmode.v_offscreen, 185448104Syokota vmode.v_offscreensize*1024); 185539287Ssos } 185639287Ssos printf("\n"); 185739287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 185839287Ssos vmode.v_waseg, vmode.v_waattr, 185939287Ssos vmode.v_wbseg, vmode.v_wbattr); 186039287Ssos printf("size:%dk, gran:%dk\n", 186139287Ssos vmode.v_wsize, vmode.v_wgran); 186239287Ssos } 186348104Syokota#endif /* VESA_DEBUG > 1 */ 186439287Ssos 1865198251Sjkim return (0); 186639287Ssos} 186739287Ssos 186839287Ssos/* module loading */ 186939287Ssos 187042504Syokotastatic int 187139287Ssosvesa_load(void) 187239287Ssos{ 187339287Ssos int error; 187439287Ssos 187539287Ssos if (vesa_init_done) 1876198251Sjkim return (0); 187739287Ssos 1878210994Sjkim mtx_init(&vesa_lock, "VESA lock", NULL, MTX_DEF); 1879210994Sjkim 188042504Syokota /* locate a VGA adapter */ 188139287Ssos vesa_adp = NULL; 188242504Syokota error = vesa_configure(0); 188339287Ssos 188439287Ssos if (error == 0) 188548104Syokota vesa_bios_info(bootverbose); 188639287Ssos 1887198251Sjkim return (error); 188839287Ssos} 188939287Ssos 189039287Ssosstatic int 189142179Syokotavesa_unload(void) 189239287Ssos{ 189345117Syokota u_char palette[256*3]; 189439287Ssos int error; 189539287Ssos 189639287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 189739287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 1898198251Sjkim return (EBUSY); 189939287Ssos /* 190039287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 190139287Ssos * we shouldn't be unloading! XXX 190239287Ssos */ 190339287Ssos 190439287Ssos if ((error = vesa_unload_ioctl()) == 0) { 190544162Syokota if (vesa_adp != NULL) { 1906204265Sjkim if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) { 1907204265Sjkim vesa_bios_save_palette(0, 256, palette, 8); 1908204265Sjkim vesa_bios_set_dac(6); 1909204265Sjkim vesa_adp->va_flags &= ~V_ADP_DAC8; 1910204265Sjkim vesa_bios_load_palette(0, 256, palette, 6); 191145117Syokota } 191239287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 191344162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 191444162Syokota } 191539287Ssos } 191639287Ssos 1917211827Sjkim if (vesa_bios != NULL) { 1918211827Sjkim x86bios_set_intr(0x10, vesa_bios_int10); 1919211827Sjkim x86bios_free(vesa_bios, vesa_bios_size); 1920211827Sjkim } 1921206384Sjkim if (vesa_adp_info != NULL) 1922206384Sjkim free(vesa_adp_info, M_DEVBUF); 1923198251Sjkim if (vesa_oemstr != NULL) 1924198251Sjkim free(vesa_oemstr, M_DEVBUF); 1925198251Sjkim if (vesa_venderstr != NULL) 1926198251Sjkim free(vesa_venderstr, M_DEVBUF); 1927198251Sjkim if (vesa_prodstr != NULL) 1928198251Sjkim free(vesa_prodstr, M_DEVBUF); 1929198251Sjkim if (vesa_revstr != NULL) 1930198251Sjkim free(vesa_revstr, M_DEVBUF); 1931198251Sjkim if (vesa_vmode != &vesa_vmode_empty) 1932198251Sjkim free(vesa_vmode, M_DEVBUF); 1933210016Sjkim if (vesa_palette != NULL) 1934210016Sjkim x86bios_free(vesa_palette, 1935210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size); 1936210994Sjkim 1937210994Sjkim mtx_destroy(&vesa_lock); 1938210994Sjkim 1939198251Sjkim return (error); 194039287Ssos} 194139287Ssos 194242179Syokotastatic int 194342179Syokotavesa_mod_event(module_t mod, int type, void *data) 194439287Ssos{ 1945198251Sjkim 194642179Syokota switch (type) { 194742179Syokota case MOD_LOAD: 1948198251Sjkim return (vesa_load()); 194942179Syokota case MOD_UNLOAD: 1950198251Sjkim return (vesa_unload()); 195142179Syokota } 1952198251Sjkim return (EOPNOTSUPP); 195339287Ssos} 195439287Ssos 195542179Syokotastatic moduledata_t vesa_mod = { 195642179Syokota "vesa", 195742179Syokota vesa_mod_event, 195842179Syokota NULL, 195942179Syokota}; 196039287Ssos 196142504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1962197383SdelphijMODULE_DEPEND(vesa, x86bios, 1, 1, 1); 196342179Syokota 196456836Speter#endif /* VGA_NO_MODE_CHANGE */ 1965