vesa.c revision 210994
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 210994 2010-08-07 05:46:04Z 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> 4548104Syokota 4639287Ssos#include <vm/vm.h> 4748104Syokota#include <vm/vm_extern.h> 4848104Syokota#include <vm/vm_kern.h> 49130312Sjhb#include <vm/vm_param.h> 5039287Ssos#include <vm/pmap.h> 5139287Ssos 52197383Sdelphij#include <machine/pc/bios.h> 53197025Sdelphij#include <dev/fb/vesa.h> 5439287Ssos 5542504Syokota#include <dev/fb/fbreg.h> 5642504Syokota#include <dev/fb/vgareg.h> 5739287Ssos 58198251Sjkim#include <dev/pci/pcivar.h> 59198251Sjkim 6042504Syokota#include <isa/isareg.h> 6142504Syokota 62197444Sjkim#include <compat/x86bios/x86bios.h> 63197025Sdelphij 64117710Srobert#define VESA_VIA_CLE266 "VIA CLE266\r\n" 65117710Srobert 6642504Syokota#ifndef VESA_DEBUG 6742611Syokota#define VESA_DEBUG 0 6842504Syokota#endif 6942504Syokota 7039287Ssos/* VESA video adapter state buffer stub */ 7139287Ssosstruct adp_state { 7239287Ssos int sig; 7339287Ssos#define V_STATE_SIG 0x61736576 7439287Ssos u_char regs[1]; 7539287Ssos}; 7639287Ssostypedef struct adp_state adp_state_t; 7739287Ssos 78210994Sjkimstatic struct mtx vesa_lock; 79210994Sjkim 80210016Sjkimstatic void *vesa_state_buf = NULL; 81210016Sjkimstatic uint32_t vesa_state_buf_offs = 0; 82210016Sjkimstatic ssize_t vesa_state_buf_size = 0; 83210016Sjkim 84210016Sjkimstatic u_char *vesa_palette = NULL; 85210016Sjkimstatic uint32_t vesa_palette_offs = 0; 86210016Sjkim#define VESA_PALETTE_SIZE (256 * 4) 87210016Sjkim 8839287Ssos/* VESA video adapter */ 8939287Ssosstatic video_adapter_t *vesa_adp = NULL; 9039287Ssos 9139287Ssos/* VESA functions */ 9248399Speter#if 0 9342504Syokotastatic int vesa_nop(void); 9448399Speter#endif 9548104Syokotastatic int vesa_error(void); 9642504Syokotastatic vi_probe_t vesa_probe; 9739287Ssosstatic vi_init_t vesa_init; 9839287Ssosstatic vi_get_info_t vesa_get_info; 9939287Ssosstatic vi_query_mode_t vesa_query_mode; 10039287Ssosstatic vi_set_mode_t vesa_set_mode; 10139287Ssosstatic vi_save_font_t vesa_save_font; 10239287Ssosstatic vi_load_font_t vesa_load_font; 10339287Ssosstatic vi_show_font_t vesa_show_font; 10439287Ssosstatic vi_save_palette_t vesa_save_palette; 10539287Ssosstatic vi_load_palette_t vesa_load_palette; 10639287Ssosstatic vi_set_border_t vesa_set_border; 10739287Ssosstatic vi_save_state_t vesa_save_state; 10839287Ssosstatic vi_load_state_t vesa_load_state; 10939287Ssosstatic vi_set_win_org_t vesa_set_origin; 11039287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 11139287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 11242504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 11348104Syokotastatic vi_blank_display_t vesa_blank_display; 11442504Syokotastatic vi_mmap_t vesa_mmap; 11548104Syokotastatic vi_ioctl_t vesa_ioctl; 11648104Syokotastatic vi_clear_t vesa_clear; 11748104Syokotastatic vi_fill_rect_t vesa_fill_rect; 11848104Syokotastatic vi_bitblt_t vesa_bitblt; 11939287Ssosstatic vi_diag_t vesa_diag; 12048104Syokotastatic int vesa_bios_info(int level); 12139287Ssos 12242504Syokotastatic video_switch_t vesavidsw = { 12342504Syokota vesa_probe, 12442504Syokota vesa_init, 12542504Syokota vesa_get_info, 12642504Syokota vesa_query_mode, 12742504Syokota vesa_set_mode, 12842504Syokota vesa_save_font, 12942504Syokota vesa_load_font, 13042504Syokota vesa_show_font, 13142504Syokota vesa_save_palette, 13242504Syokota vesa_load_palette, 13342504Syokota vesa_set_border, 13442504Syokota vesa_save_state, 13542504Syokota vesa_load_state, 13642504Syokota vesa_set_origin, 13742504Syokota vesa_read_hw_cursor, 13842504Syokota vesa_set_hw_cursor, 13942504Syokota vesa_set_hw_cursor_shape, 14048104Syokota vesa_blank_display, 14142504Syokota vesa_mmap, 14248104Syokota vesa_ioctl, 14348104Syokota vesa_clear, 14448104Syokota vesa_fill_rect, 14548104Syokota vesa_bitblt, 14648104Syokota vesa_error, 14748104Syokota vesa_error, 14839287Ssos vesa_diag, 14939287Ssos}; 15039287Ssos 15142504Syokotastatic video_switch_t *prevvidsw; 15239287Ssos 15339287Ssos/* VESA BIOS video modes */ 15439287Ssos#define VESA_MAXMODES 64 15539287Ssos#define EOT (-1) 15639287Ssos#define NA (-2) 15739287Ssos 15848104Syokota#define MODE_TABLE_DELTA 8 15939287Ssos 16048104Syokotastatic int vesa_vmode_max = 0; 16148104Syokotastatic video_info_t vesa_vmode_empty = { EOT }; 16248104Syokotastatic video_info_t *vesa_vmode = &vesa_vmode_empty; 16348104Syokota 16439287Ssosstatic int vesa_init_done = FALSE; 16539287Ssosstatic int has_vesa_bios = FALSE; 16639287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 16739287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 16839858Syokotastatic char *vesa_oemstr = NULL; 16939858Syokotastatic char *vesa_venderstr = NULL; 17039858Syokotastatic char *vesa_prodstr = NULL; 17139858Syokotastatic char *vesa_revstr = NULL; 17239287Ssos 17339287Ssos/* local macros and functions */ 17439287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 17539287Ssos 17642504Syokotastatic int int10_set_mode(int mode); 177198251Sjkimstatic int vesa_bios_post(void); 178209491Sjkimstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags); 17939287Ssosstatic int vesa_bios_set_mode(int mode); 180204265Sjkim#if 0 18145117Syokotastatic int vesa_bios_get_dac(void); 182204265Sjkim#endif 18339287Ssosstatic int vesa_bios_set_dac(int bits); 18442729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 18542729Syokota int bits); 18648104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 18748104Syokota u_char *b, int bits); 18842729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 18942729Syokota int bits); 19048104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 19148104Syokota u_char *b, int bits); 19239287Ssos#define STATE_SIZE 0 19339287Ssos#define STATE_SAVE 1 19439287Ssos#define STATE_LOAD 2 19539287Ssos#define STATE_HW (1<<0) 19639287Ssos#define STATE_DATA (1<<1) 19739287Ssos#define STATE_DAC (1<<2) 19839287Ssos#define STATE_REG (1<<3) 19939287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 20039287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 201198419Sjkimstatic ssize_t vesa_bios_state_buf_size(void); 202210016Sjkimstatic int vesa_bios_save_restore(int code, void *p); 203205653Sjkim#ifdef MODE_TABLE_BROKEN 20443664Syokotastatic int vesa_bios_get_line_length(void); 205205653Sjkim#endif 20650446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 20748399Speter#if 0 20848104Syokotastatic int vesa_bios_get_start(int *x, int *y); 20948399Speter#endif 21048104Syokotastatic int vesa_bios_set_start(int x, int y); 21139591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 21239591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 21348104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 214205564Sjkimstatic int vesa_get_bpscanline(struct vesa_mode *vmode); 21539287Ssosstatic int vesa_bios_init(void); 21639591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 21739287Ssos 21848399Speter#if 0 21948104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 22048399Speter#endif 22148104Syokota 22242504Syokota/* INT 10 BIOS calls */ 22342504Syokotastatic int 22442504Syokotaint10_set_mode(int mode) 22542504Syokota{ 226197383Sdelphij x86regs_t regs; 22742504Syokota 228198251Sjkim x86bios_init_regs(®s); 229198251Sjkim regs.R_AL = mode; 230197383Sdelphij 231197466Sjkim x86bios_intr(®s, 0x10); 232197383Sdelphij 233198251Sjkim return (0); 23442504Syokota} 23542504Syokota 236198251Sjkimstatic int 237198251Sjkimvesa_bios_post(void) 238198251Sjkim{ 239198251Sjkim x86regs_t regs; 240198251Sjkim devclass_t dc; 241198251Sjkim device_t *devs; 242198251Sjkim device_t dev; 243198251Sjkim int count, i, is_pci; 244198251Sjkim 245198251Sjkim if (x86bios_get_orm(0xc0000) == NULL) 246198251Sjkim return (1); 247198251Sjkim 248198251Sjkim dev = NULL; 249198251Sjkim is_pci = 0; 250198251Sjkim 251198251Sjkim /* Find the matching PCI video controller. */ 252198251Sjkim dc = devclass_find("vgapci"); 253198251Sjkim if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) { 254208276Sjkim for (i = 0; i < count; i++) 255208276Sjkim if (device_get_flags(devs[i]) != 0 && 256208276Sjkim x86bios_match_device(0xc0000, devs[i])) { 257208276Sjkim dev = devs[i]; 258198251Sjkim is_pci = 1; 259198251Sjkim break; 260198251Sjkim } 261198251Sjkim free(devs, M_TEMP); 262198251Sjkim } 263198251Sjkim 264198251Sjkim /* Try VGA if a PCI device is not found. */ 265198251Sjkim if (dev == NULL) { 266198251Sjkim dc = devclass_find(VGA_DRIVER_NAME); 267198251Sjkim if (dc != NULL) 268198251Sjkim dev = devclass_get_device(dc, 0); 269198251Sjkim } 270198251Sjkim 271198251Sjkim if (bootverbose) 272198251Sjkim printf("%s: calling BIOS POST\n", 273198251Sjkim dev == NULL ? "VESA" : device_get_nameunit(dev)); 274198251Sjkim 275198251Sjkim x86bios_init_regs(®s); 276198251Sjkim if (is_pci) { 277198251Sjkim regs.R_AH = pci_get_bus(dev); 278198251Sjkim regs.R_AL = (pci_get_slot(dev) << 3) | 279198251Sjkim (pci_get_function(dev) & 0x07); 280198251Sjkim } 281198251Sjkim regs.R_DL = 0x80; 282198251Sjkim x86bios_call(®s, 0xc000, 0x0003); 283198419Sjkim 284198419Sjkim if (x86bios_get_intr(0x10) == 0) 285198419Sjkim return (1); 286198419Sjkim 287198251Sjkim return (0); 288198251Sjkim} 289198251Sjkim 29039287Ssos/* VESA BIOS calls */ 29139287Ssosstatic int 292209491Sjkimvesa_bios_get_mode(int mode, struct vesa_mode *vmode, int flags) 29339287Ssos{ 294197383Sdelphij x86regs_t regs; 295198251Sjkim uint32_t offs; 296198251Sjkim void *buf; 29739287Ssos 298209491Sjkim buf = x86bios_alloc(&offs, sizeof(*vmode), flags); 299198251Sjkim if (buf == NULL) 300198251Sjkim return (1); 30144846Sjlemon 302198251Sjkim x86bios_init_regs(®s); 303198251Sjkim regs.R_AX = 0x4f01; 304198251Sjkim regs.R_CX = mode; 305197025Sdelphij 306198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 307198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 308197025Sdelphij 309197466Sjkim x86bios_intr(®s, 0x10); 310197383Sdelphij 311198251Sjkim if (regs.R_AX != 0x004f) { 312198251Sjkim x86bios_free(buf, sizeof(*vmode)); 313198251Sjkim return (1); 314197383Sdelphij } 315197025Sdelphij 31639287Ssos bcopy(buf, vmode, sizeof(*vmode)); 317198251Sjkim x86bios_free(buf, sizeof(*vmode)); 318197025Sdelphij 319198251Sjkim return (0); 32039287Ssos} 32139287Ssos 32239287Ssosstatic int 32339287Ssosvesa_bios_set_mode(int mode) 32439287Ssos{ 325197383Sdelphij x86regs_t regs; 32639287Ssos 327198251Sjkim x86bios_init_regs(®s); 328198251Sjkim regs.R_AX = 0x4f02; 329198251Sjkim regs.R_BX = mode; 330197025Sdelphij 331197466Sjkim x86bios_intr(®s, 0x10); 332197383Sdelphij 333198251Sjkim return (regs.R_AX != 0x004f); 33439287Ssos} 33539287Ssos 336204265Sjkim#if 0 33739287Ssosstatic int 33845117Syokotavesa_bios_get_dac(void) 33945117Syokota{ 340197383Sdelphij x86regs_t regs; 34145117Syokota 342198251Sjkim x86bios_init_regs(®s); 343198251Sjkim regs.R_AX = 0x4f08; 344198251Sjkim regs.R_BL = 1; 345197025Sdelphij 346197466Sjkim x86bios_intr(®s, 0x10); 347197383Sdelphij 348198251Sjkim if (regs.R_AX != 0x004f) 349198251Sjkim return (6); 350197025Sdelphij 351198251Sjkim return (regs.R_BH); 35245117Syokota} 353204265Sjkim#endif 35445117Syokota 35545117Syokotastatic int 35639287Ssosvesa_bios_set_dac(int bits) 35739287Ssos{ 358197383Sdelphij x86regs_t regs; 35939287Ssos 360198251Sjkim x86bios_init_regs(®s); 361198251Sjkim regs.R_AX = 0x4f08; 362198251Sjkim /* regs.R_BL = 0; */ 363198251Sjkim regs.R_BH = bits; 364197025Sdelphij 365197466Sjkim x86bios_intr(®s, 0x10); 366197383Sdelphij 367198251Sjkim if (regs.R_AX != 0x004f) 368198251Sjkim return (6); 369197025Sdelphij 370198251Sjkim return (regs.R_BH); 37139287Ssos} 37239287Ssos 37339287Ssosstatic int 37442729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 37539287Ssos{ 376197383Sdelphij x86regs_t regs; 37739287Ssos int i; 37839287Ssos 379198251Sjkim x86bios_init_regs(®s); 380198251Sjkim regs.R_AX = 0x4f09; 381198251Sjkim regs.R_BL = 1; 382198251Sjkim regs.R_CX = colors; 383198251Sjkim regs.R_DX = start; 384197025Sdelphij 385210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 386210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 387197025Sdelphij 388210994Sjkim bits = 8 - bits; 389210994Sjkim mtx_lock(&vesa_lock); 390197466Sjkim x86bios_intr(®s, 0x10); 391210994Sjkim if (regs.R_AX != 0x004f) { 392210994Sjkim mtx_unlock(&vesa_lock); 393198251Sjkim return (1); 394210994Sjkim } 39539287Ssos for (i = 0; i < colors; ++i) { 396210016Sjkim palette[i * 3] = vesa_palette[i * 4 + 2] << bits; 397210016Sjkim palette[i * 3 + 1] = vesa_palette[i * 4 + 1] << bits; 398210016Sjkim palette[i * 3 + 2] = vesa_palette[i * 4] << bits; 39939287Ssos } 400210994Sjkim mtx_unlock(&vesa_lock); 401197383Sdelphij 402198251Sjkim return (0); 40339287Ssos} 40439287Ssos 40539287Ssosstatic int 40648104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 40748104Syokota int bits) 40848104Syokota{ 409197383Sdelphij x86regs_t regs; 41048104Syokota int i; 41148104Syokota 412198251Sjkim x86bios_init_regs(®s); 413198251Sjkim regs.R_AX = 0x4f09; 414198251Sjkim regs.R_BL = 1; 415198251Sjkim regs.R_CX = colors; 416198251Sjkim regs.R_DX = start; 417197025Sdelphij 418210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 419210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 420197025Sdelphij 421210994Sjkim bits = 8 - bits; 422210994Sjkim mtx_lock(&vesa_lock); 423197466Sjkim x86bios_intr(®s, 0x10); 424210994Sjkim if (regs.R_AX != 0x004f) { 425210994Sjkim mtx_unlock(&vesa_lock); 426198251Sjkim return (1); 427210994Sjkim } 42848104Syokota for (i = 0; i < colors; ++i) { 429210016Sjkim r[i] = vesa_palette[i * 4 + 2] << bits; 430210016Sjkim g[i] = vesa_palette[i * 4 + 1] << bits; 431210016Sjkim b[i] = vesa_palette[i * 4] << bits; 43248104Syokota } 433210994Sjkim mtx_unlock(&vesa_lock); 434197383Sdelphij 435198251Sjkim return (0); 43648104Syokota} 43748104Syokota 43848104Syokotastatic int 43942729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 44039287Ssos{ 441197383Sdelphij x86regs_t regs; 44239287Ssos int i; 44339287Ssos 444198251Sjkim x86bios_init_regs(®s); 445198251Sjkim regs.R_AX = 0x4f09; 446198251Sjkim /* regs.R_BL = 0; */ 447198251Sjkim regs.R_CX = colors; 448198251Sjkim regs.R_DX = start; 449198251Sjkim 450210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 451210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 452198251Sjkim 45342729Syokota bits = 8 - bits; 454210994Sjkim mtx_lock(&vesa_lock); 45539287Ssos for (i = 0; i < colors; ++i) { 456210016Sjkim vesa_palette[i * 4] = palette[i * 3 + 2] >> bits; 457210016Sjkim vesa_palette[i * 4 + 1] = palette[i * 3 + 1] >> bits; 458210016Sjkim vesa_palette[i * 4 + 2] = palette[i * 3] >> bits; 459210016Sjkim vesa_palette[i * 4 + 3] = 0; 46039287Ssos } 461197466Sjkim x86bios_intr(®s, 0x10); 462210994Sjkim mtx_unlock(&vesa_lock); 463197025Sdelphij 464198251Sjkim return (regs.R_AX != 0x004f); 46539287Ssos} 46639287Ssos 46739287Ssosstatic int 46848104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 46948104Syokota int bits) 47048104Syokota{ 471197383Sdelphij x86regs_t regs; 47248104Syokota int i; 47348104Syokota 474198251Sjkim x86bios_init_regs(®s); 475198251Sjkim regs.R_AX = 0x4f09; 476198251Sjkim /* regs.R_BL = 0; */ 477198251Sjkim regs.R_CX = colors; 478198251Sjkim regs.R_DX = start; 479198251Sjkim 480210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_palette_offs); 481210016Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(vesa_palette_offs); 482198251Sjkim 48348104Syokota bits = 8 - bits; 484210994Sjkim mtx_lock(&vesa_lock); 48548104Syokota for (i = 0; i < colors; ++i) { 486210016Sjkim vesa_palette[i * 4] = b[i] >> bits; 487210016Sjkim vesa_palette[i * 4 + 1] = g[i] >> bits; 488210016Sjkim vesa_palette[i * 4 + 2] = r[i] >> bits; 489210016Sjkim vesa_palette[i * 4 + 3] = 0; 49048104Syokota } 491197466Sjkim x86bios_intr(®s, 0x10); 492210994Sjkim mtx_unlock(&vesa_lock); 493197025Sdelphij 494198251Sjkim return (regs.R_AX != 0x004f); 49548104Syokota} 49648104Syokota 497198419Sjkimstatic ssize_t 49839287Ssosvesa_bios_state_buf_size(void) 49939287Ssos{ 500197383Sdelphij x86regs_t regs; 50139287Ssos 502198251Sjkim x86bios_init_regs(®s); 503198251Sjkim regs.R_AX = 0x4f04; 504198251Sjkim /* regs.R_DL = STATE_SIZE; */ 505210016Sjkim regs.R_CX = STATE_MOST; 506197025Sdelphij 507197466Sjkim x86bios_intr(®s, 0x10); 508197383Sdelphij 509198251Sjkim if (regs.R_AX != 0x004f) 510198251Sjkim return (0); 511197025Sdelphij 512198251Sjkim return (regs.R_BX * 64); 51339287Ssos} 51439287Ssos 51539287Ssosstatic int 516210016Sjkimvesa_bios_save_restore(int code, void *p) 51739287Ssos{ 518197383Sdelphij x86regs_t regs; 51939287Ssos 520198251Sjkim if (code != STATE_SAVE && code != STATE_LOAD) 521198251Sjkim return (1); 522197025Sdelphij 523198251Sjkim x86bios_init_regs(®s); 524198251Sjkim regs.R_AX = 0x4f04; 525198251Sjkim regs.R_DL = code; 526210016Sjkim regs.R_CX = STATE_MOST; 527197025Sdelphij 528210016Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(vesa_state_buf_offs); 529210016Sjkim regs.R_BX = X86BIOS_PHYSTOOFF(vesa_state_buf_offs); 53044846Sjlemon 531210994Sjkim mtx_lock(&vesa_lock); 532198251Sjkim switch (code) { 533198251Sjkim case STATE_SAVE: 534198251Sjkim x86bios_intr(®s, 0x10); 535210016Sjkim bcopy(vesa_state_buf, p, vesa_state_buf_size); 536198251Sjkim break; 537198251Sjkim case STATE_LOAD: 538210016Sjkim bcopy(p, vesa_state_buf, vesa_state_buf_size); 539198251Sjkim x86bios_intr(®s, 0x10); 540198251Sjkim break; 541198251Sjkim } 542210994Sjkim mtx_unlock(&vesa_lock); 543197025Sdelphij 544198251Sjkim return (regs.R_AX != 0x004f); 54539287Ssos} 54639287Ssos 547205653Sjkim#ifdef MODE_TABLE_BROKEN 54843664Syokotastatic int 54943664Syokotavesa_bios_get_line_length(void) 55043664Syokota{ 551197383Sdelphij x86regs_t regs; 55243664Syokota 553198251Sjkim x86bios_init_regs(®s); 554198251Sjkim regs.R_AX = 0x4f06; 555198251Sjkim regs.R_BL = 1; 556197025Sdelphij 557197466Sjkim x86bios_intr(®s, 0x10); 558197383Sdelphij 559198251Sjkim if (regs.R_AX != 0x004f) 560198251Sjkim return (-1); 561197383Sdelphij 562198251Sjkim return (regs.R_BX); 56343664Syokota} 564205653Sjkim#endif 56543664Syokota 56648104Syokotastatic int 56750446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 56848104Syokota{ 569197383Sdelphij x86regs_t regs; 57048104Syokota 571198251Sjkim x86bios_init_regs(®s); 572198251Sjkim regs.R_AX = 0x4f06; 573198251Sjkim /* regs.R_BL = 0; */ 574198251Sjkim regs.R_CX = pixel; 575197025Sdelphij 576197466Sjkim x86bios_intr(®s, 0x10); 577197383Sdelphij 57848104Syokota#if VESA_DEBUG > 1 579197383Sdelphij printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX); 58048104Syokota#endif 581198251Sjkim if (regs.R_AX != 0x004f) 582198251Sjkim return (-1); 583197025Sdelphij 584198251Sjkim if (bytes != NULL) 585197383Sdelphij *bytes = regs.R_BX; 586198251Sjkim if (lines != NULL) 587197383Sdelphij *lines = regs.R_DX; 588197025Sdelphij 589198251Sjkim return (0); 59048104Syokota} 59148104Syokota 59248399Speter#if 0 59348104Syokotastatic int 59448104Syokotavesa_bios_get_start(int *x, int *y) 59548104Syokota{ 596197383Sdelphij x86regs_t regs; 59748104Syokota 598198251Sjkim x86bios_init_regs(®s); 599198251Sjkim regs.R_AX = 0x4f07; 600198251Sjkim regs.R_BL = 1; 601197025Sdelphij 602197466Sjkim x86bios_intr(®s, 0x10); 603197383Sdelphij 604198251Sjkim if (regs.R_AX != 0x004f) 605198251Sjkim return (-1); 606197025Sdelphij 607197383Sdelphij *x = regs.R_CX; 608197383Sdelphij *y = regs.R_DX; 609197025Sdelphij 610198251Sjkim return (0); 61148104Syokota} 61248399Speter#endif 61348104Syokota 61448104Syokotastatic int 61548104Syokotavesa_bios_set_start(int x, int y) 61648104Syokota{ 617197383Sdelphij x86regs_t regs; 61848104Syokota 619198251Sjkim x86bios_init_regs(®s); 620198251Sjkim regs.R_AX = 0x4f07; 621198251Sjkim regs.R_BL = 0x80; 622198251Sjkim regs.R_CX = x; 623198251Sjkim regs.R_DX = y; 624197025Sdelphij 625197466Sjkim x86bios_intr(®s, 0x10); 626197383Sdelphij 627198251Sjkim return (regs.R_AX != 0x004f); 62848104Syokota} 62948104Syokota 63039591Syokota/* map a generic video mode to a known mode */ 63139287Ssosstatic int 63239591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 63339287Ssos{ 63439591Syokota static struct { 63539591Syokota int from; 63639591Syokota int to; 63739591Syokota } mode_map[] = { 63839591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 63939591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 64039591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 64139591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 64239591Syokota }; 64339591Syokota int i; 64439591Syokota 64539591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 64639591Syokota if (mode_map[i].from == mode) 647198251Sjkim return (mode_map[i].to); 64839591Syokota } 649198251Sjkim return (mode); 65039591Syokota} 65139591Syokota 65239591Syokotastatic int 65339591Syokotavesa_translate_flags(u_int16_t vflags) 65439591Syokota{ 65539287Ssos static struct { 65639287Ssos u_int16_t mask; 65739287Ssos int set; 65839287Ssos int reset; 65939287Ssos } ftable[] = { 66039287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 66139287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 66242235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 663198858Sjkim { V_MODENONVGA, V_INFO_NONVGA, 0 }, 66439287Ssos }; 66539287Ssos int flags; 66639287Ssos int i; 66739287Ssos 66839287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 66939287Ssos flags |= (vflags & ftable[i].mask) ? 67039287Ssos ftable[i].set : ftable[i].reset; 67139287Ssos } 672198251Sjkim return (flags); 67339287Ssos} 67439287Ssos 67548104Syokotastatic int 67648104Syokotavesa_translate_mmodel(u_int8_t vmodel) 67748104Syokota{ 67848104Syokota static struct { 67948104Syokota u_int8_t vmodel; 68048104Syokota int mmodel; 68148104Syokota } mtable[] = { 68248104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 68348104Syokota { V_MMCGA, V_INFO_MM_CGA }, 68448104Syokota { V_MMHGC, V_INFO_MM_HGC }, 68548104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 68648104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 68748104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 68848104Syokota }; 68948104Syokota int i; 69048104Syokota 69148104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 69248104Syokota if (mtable[i].vmodel == vmodel) 693198251Sjkim return (mtable[i].mmodel); 69448104Syokota } 695198251Sjkim return (V_INFO_MM_OTHER); 69648104Syokota} 69748104Syokota 698205564Sjkimstatic int 699205564Sjkimvesa_get_bpscanline(struct vesa_mode *vmode) 700205564Sjkim{ 701205564Sjkim int bpsl; 702205564Sjkim 703205564Sjkim if ((vmode->v_modeattr & V_MODEGRAPHICS) != 0) { 704205564Sjkim /* Find the minimum length. */ 705205564Sjkim switch (vmode->v_bpp / vmode->v_planes) { 706205564Sjkim case 1: 707205564Sjkim bpsl = vmode->v_width / 8; 708205564Sjkim break; 709205564Sjkim case 2: 710205564Sjkim bpsl = vmode->v_width / 4; 711205564Sjkim break; 712205564Sjkim case 4: 713205564Sjkim bpsl = vmode->v_width / 2; 714205564Sjkim break; 715205564Sjkim default: 716205564Sjkim bpsl = vmode->v_width * ((vmode->v_bpp + 7) / 8); 717205564Sjkim bpsl /= vmode->v_planes; 718205564Sjkim break; 719205564Sjkim } 720205564Sjkim 721205564Sjkim /* Use VBE 3.0 information if it looks sane. */ 722205564Sjkim if ((vmode->v_modeattr & V_MODELFB) != 0 && 723205564Sjkim vesa_adp_info->v_version >= 0x0300 && 724205564Sjkim vmode->v_linbpscanline > bpsl) 725205564Sjkim return (vmode->v_linbpscanline); 726205564Sjkim 727205564Sjkim /* Return the minimum if the mode table looks absurd. */ 728205564Sjkim if (vmode->v_bpscanline < bpsl) 729205564Sjkim return (bpsl); 730205564Sjkim } 731205564Sjkim 732205564Sjkim return (vmode->v_bpscanline); 733205564Sjkim} 734205564Sjkim 735198251Sjkim#define VESA_MAXSTR 256 736198251Sjkim 737198251Sjkim#define VESA_STRCPY(dst, src) do { \ 738198251Sjkim char *str; \ 739198251Sjkim int i; \ 740198251Sjkim dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \ 741198251Sjkim str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \ 742198251Sjkim for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \ 743198251Sjkim dst[i] = str[i]; \ 744198251Sjkim dst[i] = '\0'; \ 745198251Sjkim} while (0) 746198251Sjkim 747197496Sjkimstatic int 74839287Ssosvesa_bios_init(void) 74939287Ssos{ 75039287Ssos struct vesa_mode vmode; 751206384Sjkim struct vesa_info *buf; 75248104Syokota video_info_t *p; 753197383Sdelphij x86regs_t regs; 754197496Sjkim size_t bsize; 755203535Sjkim size_t msize; 756198251Sjkim void *vmbuf; 757198251Sjkim uint32_t offs; 758198251Sjkim uint16_t vers; 759117710Srobert int is_via_cle266; 76039287Ssos int modes; 76139287Ssos int i; 76239287Ssos 76339287Ssos if (vesa_init_done) 764198251Sjkim return (0); 76539287Ssos 76639287Ssos has_vesa_bios = FALSE; 76739287Ssos vesa_adp_info = NULL; 76848104Syokota vesa_vmode_max = 0; 76939287Ssos vesa_vmode[0].vi_mode = EOT; 77039287Ssos 771198251Sjkim /* 772198251Sjkim * If the VBE real mode interrupt vector is not found, try BIOS POST. 773198251Sjkim */ 774198251Sjkim if (x86bios_get_intr(0x10) == 0) { 775198251Sjkim if (vesa_bios_post() != 0) 776198251Sjkim return (1); 777198419Sjkim if (bootverbose) { 778198419Sjkim offs = x86bios_get_intr(0x10); 779198251Sjkim printf("VESA: interrupt vector installed (0x%x)\n", 780198251Sjkim BIOS_SADDRTOLADDR(offs)); 781198419Sjkim } 782198251Sjkim } 78344846Sjlemon 784198251Sjkim x86bios_init_regs(®s); 785198251Sjkim regs.R_AX = 0x4f00; 786197025Sdelphij 787209472Sjkim vmbuf = x86bios_alloc(&offs, sizeof(*buf), M_WAITOK); 788198251Sjkim 789198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 790198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 791198251Sjkim 792198251Sjkim bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 793197466Sjkim x86bios_intr(®s, 0x10); 794197025Sdelphij 795198251Sjkim if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0) 796198251Sjkim goto fail; 797197025Sdelphij 798206384Sjkim vesa_adp_info = buf = malloc(sizeof(*buf), M_DEVBUF, M_WAITOK); 799206384Sjkim bcopy(vmbuf, buf, sizeof(*buf)); 800197025Sdelphij 80142504Syokota if (bootverbose) { 80242504Syokota printf("VESA: information block\n"); 803206384Sjkim hexdump(buf, sizeof(*buf), NULL, HD_OMIT_CHARS); 80442504Syokota } 805198251Sjkim 806206384Sjkim vers = buf->v_version = le16toh(buf->v_version); 807206384Sjkim buf->v_oemstr = le32toh(buf->v_oemstr); 808206384Sjkim buf->v_flags = le32toh(buf->v_flags); 809206384Sjkim buf->v_modetable = le32toh(buf->v_modetable); 810206384Sjkim buf->v_memsize = le16toh(buf->v_memsize); 811206384Sjkim buf->v_revision = le16toh(buf->v_revision); 812206384Sjkim buf->v_venderstr = le32toh(buf->v_venderstr); 813206384Sjkim buf->v_prodstr = le32toh(buf->v_prodstr); 814206384Sjkim buf->v_revstr = le32toh(buf->v_revstr); 815198251Sjkim 816198251Sjkim if (vers < 0x0102) { 81748104Syokota printf("VESA: VBE version %d.%d is not supported; " 818203455Sjkim "version 1.2 or later is required.\n", 819203455Sjkim ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8), 820203455Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f)); 821209740Sjkim goto fail; 82248104Syokota } 82339287Ssos 824206384Sjkim VESA_STRCPY(vesa_oemstr, buf->v_oemstr); 825198251Sjkim if (vers >= 0x0200) { 826206384Sjkim VESA_STRCPY(vesa_venderstr, buf->v_venderstr); 827206384Sjkim VESA_STRCPY(vesa_prodstr, buf->v_prodstr); 828206384Sjkim VESA_STRCPY(vesa_revstr, buf->v_revstr); 82939858Syokota } 830198251Sjkim is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266, 831198251Sjkim sizeof(VESA_VIA_CLE266)) == 0; 83239858Syokota 833206384Sjkim if (buf->v_modetable == 0) 834198251Sjkim goto fail; 835197025Sdelphij 836206384Sjkim msize = (size_t)buf->v_memsize * 64 * 1024; 837203535Sjkim 838206384Sjkim vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf->v_modetable)); 839197025Sdelphij 840203455Sjkim for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) && 841203455Sjkim (vesa_vmodetab[i] != 0xffff); ++i) { 842198251Sjkim vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]); 843209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_WAITOK)) 84439287Ssos continue; 84539287Ssos 846198419Sjkim vmode.v_modeattr = le16toh(vmode.v_modeattr); 847198419Sjkim vmode.v_wgran = le16toh(vmode.v_wgran); 848198419Sjkim vmode.v_wsize = le16toh(vmode.v_wsize); 849198419Sjkim vmode.v_waseg = le16toh(vmode.v_waseg); 850198419Sjkim vmode.v_wbseg = le16toh(vmode.v_wbseg); 851198419Sjkim vmode.v_posfunc = le32toh(vmode.v_posfunc); 852198419Sjkim vmode.v_bpscanline = le16toh(vmode.v_bpscanline); 853198419Sjkim vmode.v_width = le16toh(vmode.v_width); 854198419Sjkim vmode.v_height = le16toh(vmode.v_height); 855198419Sjkim vmode.v_lfb = le32toh(vmode.v_lfb); 856198419Sjkim vmode.v_offscreen = le32toh(vmode.v_offscreen); 857198419Sjkim vmode.v_offscreensize = le16toh(vmode.v_offscreensize); 858198419Sjkim vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline); 859198419Sjkim vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock); 860198419Sjkim 86139287Ssos /* reject unsupported modes */ 86239287Ssos#if 0 863203455Sjkim if ((vmode.v_modeattr & 864203455Sjkim (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) != 865203455Sjkim (V_MODESUPP | V_MODEOPTINFO)) 86639287Ssos continue; 86739287Ssos#else 86867816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 86966710Sjhb#if VESA_DEBUG > 1 870203455Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 871203455Sjkim " attr = %x\n", 872203455Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 873203455Sjkim "graphics" : "text", 87466710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 87566710Sjhb vmode.v_modeattr); 87666710Sjhb#endif 87739287Ssos continue; 87866710Sjhb } 87939287Ssos#endif 88039287Ssos 881205564Sjkim bsize = vesa_get_bpscanline(&vmode) * vmode.v_height; 882203535Sjkim if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0) 883203535Sjkim bsize *= vmode.v_planes; 884203535Sjkim 885203535Sjkim /* Does it have enough memory to support this mode? */ 886203535Sjkim if (msize < bsize) { 887203535Sjkim#if VESA_DEBUG > 1 888203535Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 889203535Sjkim " attr = %x, not enough memory\n", 890203535Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 891203535Sjkim "graphics" : "text", 892203535Sjkim vmode.v_width, vmode.v_height, vmode.v_bpp, 893203535Sjkim vmode.v_modeattr); 894203535Sjkim#endif 895203535Sjkim continue; 896203535Sjkim } 897203535Sjkim 89848104Syokota /* expand the array if necessary */ 89948104Syokota if (modes >= vesa_vmode_max) { 90048104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 901203455Sjkim p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1), 902203455Sjkim M_DEVBUF, M_WAITOK); 90348104Syokota#if VESA_DEBUG > 1 90448104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 905203455Sjkim modes, vesa_vmode_max); 90648104Syokota#endif 90748104Syokota if (modes > 0) { 90848104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 90948104Syokota free(vesa_vmode, M_DEVBUF); 91048104Syokota } 91148104Syokota vesa_vmode = p; 91248104Syokota } 91348104Syokota 91466710Sjhb#if VESA_DEBUG > 1 91566710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 91666710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 91766710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 91866710Sjhb#endif 919117710Srobert if (is_via_cle266) { 920117710Srobert if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { 921117710Srobert vmode.v_width &= 0xff; 922117710Srobert vmode.v_waseg = 0xb8000 >> 4; 923117710Srobert } 924117710Srobert } 925117710Srobert 92639287Ssos /* copy some fields */ 92739287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 92839287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 92939287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 93039287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 93139287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 93239287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 93339287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 93439287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 935203455Sjkim vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4; 93639287Ssos /* XXX window B */ 937203455Sjkim vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024; 938203455Sjkim vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024; 939203535Sjkim if (vmode.v_modeattr & V_MODELFB) 94048104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 941203535Sjkim vesa_vmode[modes].vi_buffer_size = bsize; 942203455Sjkim vesa_vmode[modes].vi_mem_model = 943203455Sjkim vesa_translate_mmodel(vmode.v_memmodel); 944204236Sjkim switch (vesa_vmode[modes].vi_mem_model) { 945204236Sjkim case V_INFO_MM_DIRECT: 946204236Sjkim if ((vmode.v_modeattr & V_MODELFB) != 0 && 947204236Sjkim vers >= 0x0300) { 948204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 949204236Sjkim vmode.v_linredfieldpos; 950204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 951204236Sjkim vmode.v_lingreenfieldpos; 952204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 953204236Sjkim vmode.v_linbluefieldpos; 954204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 955204236Sjkim vmode.v_linresfieldpos; 956204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 957204236Sjkim vmode.v_linredmasksize; 958204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 959204236Sjkim vmode.v_lingreenmasksize; 960204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 961204236Sjkim vmode.v_linbluemasksize; 962204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 963204236Sjkim vmode.v_linresmasksize; 964204236Sjkim } else { 965204236Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 966204236Sjkim vmode.v_redfieldpos; 967204236Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 968204236Sjkim vmode.v_greenfieldpos; 969204236Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 970204236Sjkim vmode.v_bluefieldpos; 971204236Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 972204236Sjkim vmode.v_resfieldpos; 973204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 974204236Sjkim vmode.v_redmasksize; 975204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 976204236Sjkim vmode.v_greenmasksize; 977204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 978204236Sjkim vmode.v_bluemasksize; 979204236Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 980204236Sjkim vmode.v_resmasksize; 981204236Sjkim } 982204236Sjkim /* FALLTHROUGH */ 983204236Sjkim case V_INFO_MM_PACKED: 984203455Sjkim vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8; 985204236Sjkim break; 986204236Sjkim } 987203455Sjkim vesa_vmode[modes].vi_flags = 988203455Sjkim vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 989197496Sjkim 99039287Ssos ++modes; 99139287Ssos } 99239287Ssos vesa_vmode[modes].vi_mode = EOT; 993197383Sdelphij 99439287Ssos if (bootverbose) 99539287Ssos printf("VESA: %d mode(s) found\n", modes); 99639287Ssos 99739858Syokota has_vesa_bios = (modes > 0); 998142830Siedowse if (!has_vesa_bios) 999198251Sjkim goto fail; 1000142830Siedowse 1001206384Sjkim x86bios_free(vmbuf, sizeof(*buf)); 1002210016Sjkim 1003210017Sjkim vesa_state_buf_size = vesa_bios_state_buf_size(); 1004210016Sjkim vesa_palette = x86bios_alloc(&vesa_palette_offs, 1005210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size, M_WAITOK); 1006210016Sjkim if (vesa_state_buf_size > 0) { 1007210016Sjkim vesa_state_buf = vesa_palette + VESA_PALETTE_SIZE; 1008210016Sjkim vesa_state_buf_offs = vesa_palette_offs + VESA_PALETTE_SIZE; 1009210016Sjkim } 1010210016Sjkim 1011142830Siedowse return (0); 1012198251Sjkim 1013198251Sjkimfail: 1014198251Sjkim if (vmbuf != NULL) 1015198251Sjkim x86bios_free(vmbuf, sizeof(buf)); 1016206384Sjkim if (vesa_adp_info != NULL) { 1017206384Sjkim free(vesa_adp_info, M_DEVBUF); 1018206384Sjkim vesa_adp_info = NULL; 1019206384Sjkim } 1020198251Sjkim if (vesa_oemstr != NULL) { 1021198251Sjkim free(vesa_oemstr, M_DEVBUF); 1022198251Sjkim vesa_oemstr = NULL; 1023198251Sjkim } 1024198251Sjkim if (vesa_venderstr != NULL) { 1025198251Sjkim free(vesa_venderstr, M_DEVBUF); 1026198251Sjkim vesa_venderstr = NULL; 1027198251Sjkim } 1028198251Sjkim if (vesa_prodstr != NULL) { 1029198251Sjkim free(vesa_prodstr, M_DEVBUF); 1030198251Sjkim vesa_prodstr = NULL; 1031198251Sjkim } 1032198251Sjkim if (vesa_revstr != NULL) { 1033198251Sjkim free(vesa_revstr, M_DEVBUF); 1034198251Sjkim vesa_revstr = NULL; 1035198251Sjkim } 1036198251Sjkim return (1); 103739287Ssos} 103839287Ssos 103939287Ssosstatic void 104039591Syokotavesa_clear_modes(video_info_t *info, int color) 104139287Ssos{ 104239287Ssos while (info->vi_mode != EOT) { 104339287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 104439287Ssos info->vi_mode = NA; 104539287Ssos ++info; 104639287Ssos } 104739287Ssos} 104839287Ssos 104942504Syokota/* entry points */ 105039287Ssos 105139287Ssosstatic int 105242504Syokotavesa_configure(int flags) 105339287Ssos{ 105442504Syokota video_adapter_t *adp; 105539287Ssos int adapters; 105642504Syokota int error; 105739287Ssos int i; 105839287Ssos 105942504Syokota if (vesa_init_done) 1060198251Sjkim return (0); 106142504Syokota if (flags & VIO_PROBE_ONLY) 1062198251Sjkim return (0); 106342504Syokota 106442504Syokota /* 106542504Syokota * If the VESA module has already been loaded, abort loading 106642504Syokota * the module this time. 106742504Syokota */ 106842504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 106942504Syokota if (adp->va_flags & V_ADP_VESA) 1070198251Sjkim return (ENXIO); 107142504Syokota if (adp->va_type == KD_VGA) 107242504Syokota break; 107339287Ssos } 1074198251Sjkim 107542504Syokota /* 107642504Syokota * The VGA adapter is not found. This is because either 107742504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 107842504Syokota * is not present. If 1) is the case, we shall defer 107942504Syokota * initialization for now and try again later. 108042504Syokota */ 108142504Syokota if (adp == NULL) { 108242504Syokota vga_sub_configure = vesa_configure; 1083198251Sjkim return (ENODEV); 108442504Syokota } 108542504Syokota 108642504Syokota /* count number of registered adapters */ 108742504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 108842504Syokota ; 108942504Syokota adapters = i; 109042504Syokota 109142504Syokota /* call VESA BIOS */ 109242504Syokota vesa_adp = adp; 109342504Syokota if (vesa_bios_init()) { 109442504Syokota vesa_adp = NULL; 1095198251Sjkim return (ENXIO); 109642504Syokota } 109742504Syokota vesa_adp->va_flags |= V_ADP_VESA; 109842504Syokota 109942504Syokota /* remove conflicting modes if we have more than one adapter */ 110042504Syokota if (adapters > 1) { 110142504Syokota vesa_clear_modes(vesa_vmode, 110242504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 110342504Syokota V_INFO_COLOR : 0); 110442504Syokota } 110542504Syokota 110642504Syokota if ((error = vesa_load_ioctl()) == 0) { 110742504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 110842504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 110942504Syokota vesa_init_done = TRUE; 111042504Syokota } else { 111142504Syokota vesa_adp = NULL; 1112198251Sjkim return (error); 111342504Syokota } 111442504Syokota 1115198251Sjkim return (0); 111639287Ssos} 111739287Ssos 111848399Speter#if 0 111942504Syokotastatic int 112042504Syokotavesa_nop(void) 112139287Ssos{ 1122198251Sjkim 1123198251Sjkim return (0); 112439287Ssos} 112548399Speter#endif 112639287Ssos 112739287Ssosstatic int 112848104Syokotavesa_error(void) 112948104Syokota{ 1130198251Sjkim 1131198251Sjkim return (1); 113248104Syokota} 113348104Syokota 113448104Syokotastatic int 113542504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 113639287Ssos{ 1137198251Sjkim 1138198251Sjkim return ((*prevvidsw->probe)(unit, adpp, arg, flags)); 113942504Syokota} 114042504Syokota 114142504Syokotastatic int 114242504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 114342504Syokota{ 1144198251Sjkim 1145198251Sjkim return ((*prevvidsw->init)(unit, adp, flags)); 114642504Syokota} 114742504Syokota 114842504Syokotastatic int 114942504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 115042504Syokota{ 115139287Ssos int i; 115239287Ssos 115342504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 1154198251Sjkim return (0); 115539287Ssos 115642504Syokota if (adp != vesa_adp) 1157198251Sjkim return (1); 115839591Syokota 115939591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 116039591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 116139287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 116239287Ssos if (vesa_vmode[i].vi_mode == NA) 116339287Ssos continue; 116439287Ssos if (vesa_vmode[i].vi_mode == mode) { 116539287Ssos *info = vesa_vmode[i]; 1166198251Sjkim return (0); 116739287Ssos } 116839287Ssos } 1169198251Sjkim return (1); 117039287Ssos} 117139287Ssos 117239287Ssosstatic int 117342504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 117439287Ssos{ 117539287Ssos int i; 117639287Ssos 117754258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 1178198251Sjkim return (0); 117942504Syokota if (adp != vesa_adp) 1180198251Sjkim return (ENODEV); 118139287Ssos 118239287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 118339287Ssos if ((info->vi_width != 0) 118439287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 118539287Ssos continue; 118639287Ssos if ((info->vi_height != 0) 118739287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 118839287Ssos continue; 118939287Ssos if ((info->vi_cwidth != 0) 119039287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 119139287Ssos continue; 119239287Ssos if ((info->vi_cheight != 0) 119339287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 119439287Ssos continue; 119539287Ssos if ((info->vi_depth != 0) 119639287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 119739287Ssos continue; 119839287Ssos if ((info->vi_planes != 0) 119939287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 120039287Ssos continue; 120139287Ssos /* pixel format, memory model */ 120239287Ssos if ((info->vi_flags != 0) 120339287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 120439287Ssos continue; 120554258Syokota *info = vesa_vmode[i]; 1206198251Sjkim return (0); 120739287Ssos } 1208198251Sjkim return (ENODEV); 120939287Ssos} 121039287Ssos 121139287Ssosstatic int 121242504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 121339287Ssos{ 121439287Ssos video_info_t info; 121539287Ssos 121642504Syokota if (adp != vesa_adp) 1217198251Sjkim return ((*prevvidsw->set_mode)(adp, mode)); 121839287Ssos 121948104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 122048104Syokota adp->va_flags & V_ADP_COLOR, mode); 122142504Syokota#if VESA_DEBUG > 0 122239287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 122348104Syokota adp->va_mode, adp->va_mode, mode, mode); 122439287Ssos#endif 122539287Ssos /* 122639287Ssos * If the current mode is a VESA mode and the new mode is not, 122748104Syokota * restore the state of the adapter first by setting one of the 122848104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 122948104Syokota * are set to the state compatible with the standard VGA modes. 123048104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 123148104Syokota * the new mode correctly. 123239287Ssos */ 123348104Syokota if (VESA_MODE(adp->va_mode)) { 1234198858Sjkim if (!VESA_MODE(mode) && 1235198858Sjkim (*prevvidsw->get_info)(adp, mode, &info) == 0) { 1236204265Sjkim if ((adp->va_flags & V_ADP_DAC8) != 0) { 1237204265Sjkim vesa_bios_set_dac(6); 1238204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1239204265Sjkim } 124048104Syokota int10_set_mode(adp->va_initial_bios_mode); 124148104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1242203530Sjkim pmap_unmapdev(adp->va_buffer, 1243205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 124448104Syokota /* 124548104Syokota * Once (*prevvidsw->get_info)() succeeded, 124648104Syokota * (*prevvidsw->set_mode)() below won't fail... 124748104Syokota */ 124839287Ssos } 124939287Ssos } 125039287Ssos 125139287Ssos /* we may not need to handle this mode after all... */ 1252198858Sjkim if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0) 1253198251Sjkim return (0); 125439287Ssos 125539287Ssos /* is the new mode supported? */ 125642504Syokota if (vesa_get_info(adp, mode, &info)) 1257198251Sjkim return (1); 125839287Ssos /* assert(VESA_MODE(mode)); */ 125939287Ssos 126042504Syokota#if VESA_DEBUG > 0 126139287Ssos printf("VESA: about to set a VESA mode...\n"); 126239287Ssos#endif 126348104Syokota /* don't use the linear frame buffer for text modes. XXX */ 126448104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 126548104Syokota info.vi_flags &= ~V_INFO_LINEAR; 126639287Ssos 126748104Syokota if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) 1268198251Sjkim return (1); 126939287Ssos 1270204265Sjkim /* Palette format is reset by the above VBE function call. */ 1271204265Sjkim adp->va_flags &= ~V_ADP_DAC8; 1272198858Sjkim 1273204265Sjkim if ((vesa_adp_info->v_flags & V_DAC8) != 0 && 1274204265Sjkim (info.vi_flags & V_INFO_GRAPHICS) != 0 && 1275204265Sjkim vesa_bios_set_dac(8) > 6) 1276204265Sjkim adp->va_flags |= V_ADP_DAC8; 1277204265Sjkim 127848104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1279205557Sjkim pmap_unmapdev(adp->va_buffer, 1280205557Sjkim vesa_adp_info->v_memsize * 64 * 1024); 128148104Syokota 128242504Syokota#if VESA_DEBUG > 0 128339287Ssos printf("VESA: mode set!\n"); 128439287Ssos#endif 128539287Ssos vesa_adp->va_mode = mode; 128639287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 128739287Ssos vesa_adp->va_flags |= 128839287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 128939287Ssos vesa_adp->va_crtc_addr = 129042504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 1291205564Sjkim 1292205564Sjkim vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height; 1293205564Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1294205564Sjkim vesa_adp->va_line_width /= info.vi_planes; 1295205564Sjkim 1296205653Sjkim#ifdef MODE_TABLE_BROKEN 1297205564Sjkim /* If VBE function returns bigger bytes per scan line, use it. */ 1298205653Sjkim { 1299205653Sjkim int bpsl = vesa_bios_get_line_length(); 1300205653Sjkim if (bpsl > vesa_adp->va_line_width) { 1301205653Sjkim vesa_adp->va_line_width = bpsl; 1302205653Sjkim info.vi_buffer_size = bpsl * info.vi_height; 1303205653Sjkim if ((info.vi_flags & V_INFO_GRAPHICS) != 0) 1304205653Sjkim info.vi_buffer_size *= info.vi_planes; 1305205653Sjkim } 1306205564Sjkim } 1307205653Sjkim#endif 1308205564Sjkim 130948104Syokota if (info.vi_flags & V_INFO_LINEAR) { 131048104Syokota#if VESA_DEBUG > 1 131148104Syokota printf("VESA: setting up LFB\n"); 131248104Syokota#endif 131348104Syokota vesa_adp->va_buffer = 1314203530Sjkim (vm_offset_t)pmap_mapdev_attr(info.vi_buffer, 1315205557Sjkim vesa_adp_info->v_memsize * 64 * 1024, PAT_WRITE_COMBINING); 131648104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 1317203535Sjkim vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes; 1318203535Sjkim vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes; 131948104Syokota } else { 132039287Ssos vesa_adp->va_buffer = 0; 1321203451Sjkim vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window); 1322196704Sdelphij vesa_adp->va_window_size = info.vi_window_size; 1323196704Sdelphij vesa_adp->va_window_gran = info.vi_window_gran; 132439287Ssos } 1325203535Sjkim vesa_adp->va_buffer_size = info.vi_buffer_size; 132648104Syokota vesa_adp->va_window_orig = 0; 132748104Syokota vesa_adp->va_disp_start.x = 0; 132848104Syokota vesa_adp->va_disp_start.y = 0; 132943664Syokota#if VESA_DEBUG > 0 1330197496Sjkim printf("vesa_set_mode(): vi_width:%d, line_width:%d\n", 1331197496Sjkim info.vi_width, vesa_adp->va_line_width); 133243664Syokota#endif 133343674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 133439287Ssos 133542504Syokota /* move hardware cursor out of the way */ 133643674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 133742504Syokota 1338198251Sjkim return (0); 133939287Ssos} 134039287Ssos 134139287Ssosstatic int 1342150686Smariusvesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1343150686Smarius u_char *data, int ch, int count) 134439287Ssos{ 1345198251Sjkim 1346198251Sjkim return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data, 1347198251Sjkim ch, count)); 134839287Ssos} 134939287Ssos 135039287Ssosstatic int 1351150686Smariusvesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1352150686Smarius u_char *data, int ch, int count) 135339287Ssos{ 1354198251Sjkim 1355198251Sjkim return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data, 1356198251Sjkim ch, count)); 135739287Ssos} 135839287Ssos 135939287Ssosstatic int 136042504Syokotavesa_show_font(video_adapter_t *adp, int page) 136139287Ssos{ 1362198251Sjkim 1363198251Sjkim return ((*prevvidsw->show_font)(adp, page)); 136439287Ssos} 136539287Ssos 136639287Ssosstatic int 136742504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 136839287Ssos{ 136942729Syokota int bits; 137039287Ssos 1371205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1372204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1373205558Sjkim if (vesa_bios_save_palette(0, 256, palette, bits) == 0) 1374205558Sjkim return (0); 1375203078Sjkim } 137642729Syokota 1377198251Sjkim return ((*prevvidsw->save_palette)(adp, palette)); 137839287Ssos} 137939287Ssos 138039287Ssosstatic int 138142504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 138239287Ssos{ 138342729Syokota int bits; 138439287Ssos 1385205558Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1386204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1387205558Sjkim if (vesa_bios_load_palette(0, 256, palette, bits) == 0) 1388205558Sjkim return (0); 1389203078Sjkim } 139042729Syokota 1391198251Sjkim return ((*prevvidsw->load_palette)(adp, palette)); 139239287Ssos} 139339287Ssos 139439287Ssosstatic int 139542504Syokotavesa_set_border(video_adapter_t *adp, int color) 139639287Ssos{ 1397198251Sjkim 1398198251Sjkim return ((*prevvidsw->set_border)(adp, color)); 139939287Ssos} 140039287Ssos 140139287Ssosstatic int 140242504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 140339287Ssos{ 1404198251Sjkim 140542504Syokota if (adp != vesa_adp) 1406198251Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 140739287Ssos 1408210016Sjkim if (vesa_state_buf_size == 0) 1409210016Sjkim return (1); 141039287Ssos if (size == 0) 1411198419Sjkim return (offsetof(adp_state_t, regs) + vesa_state_buf_size); 1412210016Sjkim if (size < (offsetof(adp_state_t, regs) + vesa_state_buf_size)) 1413198251Sjkim return (1); 141439287Ssos 141539287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 141639287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 1417210016Sjkim return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs)); 141839287Ssos} 141939287Ssos 142039287Ssosstatic int 142142504Syokotavesa_load_state(video_adapter_t *adp, void *p) 142239287Ssos{ 1423198251Sjkim 142442504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 1425198251Sjkim return ((*prevvidsw->load_state)(adp, p)); 142639287Ssos 1427210016Sjkim if (vesa_state_buf_size == 0) 1428198419Sjkim return (1); 1429198419Sjkim 1430198964Sjkim /* Try BIOS POST to restore a sane state. */ 1431198964Sjkim (void)vesa_bios_post(); 1432198964Sjkim (void)int10_set_mode(adp->va_initial_bios_mode); 1433208279Sjkim (void)vesa_set_mode(adp, adp->va_mode); 1434198419Sjkim 1435210016Sjkim return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs)); 143639287Ssos} 143739287Ssos 143848399Speter#if 0 143939287Ssosstatic int 144048104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 144148104Syokota{ 1442197383Sdelphij x86regs_t regs; 144348104Syokota 1444198251Sjkim x86bios_init_regs(®s); 1445198251Sjkim regs.R_AX = 0x4f05; 1446198251Sjkim regs.R_BL = 0x10; 1447197025Sdelphij 1448197466Sjkim x86bios_intr(®s, 0x10); 1449197383Sdelphij 1450198251Sjkim if (regs.R_AX != 0x004f) 1451198251Sjkim return (1); 1452197387Sdelphij *offset = regs.DX * adp->va_window_gran; 1453197025Sdelphij 1454198251Sjkim return (0); 145548104Syokota} 145648399Speter#endif 145748104Syokota 145848104Syokotastatic int 145942504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 146039287Ssos{ 1461197383Sdelphij x86regs_t regs; 1462197383Sdelphij 146339287Ssos /* 146439287Ssos * This function should return as quickly as possible to 146539287Ssos * maintain good performance of the system. For this reason, 146639287Ssos * error checking is kept minimal and let the VESA BIOS to 146739287Ssos * detect error. 146839287Ssos */ 146942504Syokota if (adp != vesa_adp) 1470198251Sjkim return ((*prevvidsw->set_win_org)(adp, offset)); 147139287Ssos 147248104Syokota /* if this is a linear frame buffer, do nothing */ 147348104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1474198251Sjkim return (0); 147548104Syokota /* XXX */ 147648104Syokota if (adp->va_window_gran == 0) 1477198251Sjkim return (1); 147848104Syokota 1479198251Sjkim x86bios_init_regs(®s); 1480198251Sjkim regs.R_AX = 0x4f05; 1481198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1482198251Sjkim 1483197466Sjkim x86bios_intr(®s, 0x10); 1484197025Sdelphij 1485198251Sjkim if (regs.R_AX != 0x004f) 1486198251Sjkim return (1); 1487197025Sdelphij 1488198251Sjkim x86bios_init_regs(®s); 1489198251Sjkim regs.R_AX = 0x4f05; 1490198251Sjkim regs.R_BL = 1; 1491198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1492197466Sjkim x86bios_intr(®s, 0x10); 1493197025Sdelphij 149448104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 1495198251Sjkim return (0); /* XXX */ 149639287Ssos} 149739287Ssos 149839287Ssosstatic int 149942504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 150039287Ssos{ 1501198251Sjkim 1502198251Sjkim return ((*prevvidsw->read_hw_cursor)(adp, col, row)); 150339287Ssos} 150439287Ssos 150539287Ssosstatic int 150642504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 150739287Ssos{ 1508198251Sjkim 1509198251Sjkim return ((*prevvidsw->set_hw_cursor)(adp, col, row)); 151039287Ssos} 151139287Ssos 151239287Ssosstatic int 151342504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 151442504Syokota int celsize, int blink) 151539287Ssos{ 1516198251Sjkim 1517198251Sjkim return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 1518198251Sjkim blink)); 151942504Syokota} 152042504Syokota 152142504Syokotastatic int 152248104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 152342504Syokota{ 1524198251Sjkim 152548104Syokota /* XXX: use VESA DPMS */ 1526198251Sjkim return ((*prevvidsw->blank_display)(adp, mode)); 152742504Syokota} 152842504Syokota 152942504Syokotastatic int 1530201223Srnolandvesa_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 1531201223Srnoland int prot, vm_memattr_t *memattr) 153242504Syokota{ 1533198251Sjkim 153448104Syokota#if VESA_DEBUG > 0 1535201223Srnoland printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%jx\n", 153648104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 153742504Syokota#endif 153839287Ssos 1539198251Sjkim if ((adp == vesa_adp) && 1540198251Sjkim (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) { 154148104Syokota /* va_window_size == va_buffer_size/vi_planes */ 154248104Syokota /* XXX: is this correct? */ 154348104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 1544198251Sjkim return (-1); 1545111462Smux *paddr = adp->va_info.vi_buffer + offset; 1546198251Sjkim return (0); 154748104Syokota } 1548201223Srnoland return ((*prevvidsw->mmap)(adp, offset, paddr, prot, memattr)); 154948104Syokota} 155048104Syokota 155148104Syokotastatic int 155248104Syokotavesa_clear(video_adapter_t *adp) 155348104Syokota{ 1554198251Sjkim 1555198251Sjkim return ((*prevvidsw->clear)(adp)); 155648104Syokota} 155748104Syokota 155848104Syokotastatic int 155948104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 156048104Syokota{ 1561198251Sjkim 1562198251Sjkim return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy)); 156348104Syokota} 156448104Syokota 156548104Syokotastatic int 156648104Syokotavesa_bitblt(video_adapter_t *adp,...) 156748104Syokota{ 1568198251Sjkim 156948104Syokota /* FIXME */ 1570198251Sjkim return (1); 157148104Syokota} 157248104Syokota 157348104Syokotastatic int 157448104Syokotaget_palette(video_adapter_t *adp, int base, int count, 157548104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 157648104Syokota{ 157748104Syokota u_char *r; 157848104Syokota u_char *g; 157948104Syokota u_char *b; 158048104Syokota int bits; 158148104Syokota int error; 158248104Syokota 1583203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1584198251Sjkim return (1); 1585101557Srwatson if ((base + count) > 256) 1586198251Sjkim return (1); 1587203078Sjkim if (!VESA_MODE(adp->va_mode)) 1588198251Sjkim return (1); 158948104Syokota 1590204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1591198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 159248104Syokota g = r + count; 159348104Syokota b = g + count; 159448104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 159548104Syokota if (error == 0) { 159648104Syokota copyout(r, red, count); 159748104Syokota copyout(g, green, count); 159848104Syokota copyout(b, blue, count); 159948104Syokota if (trans != NULL) { 160048104Syokota bzero(r, count); 160148104Syokota copyout(r, trans, count); 160248104Syokota } 160348104Syokota } 160448104Syokota free(r, M_DEVBUF); 160548104Syokota 1606198251Sjkim return (error); 160748104Syokota} 160848104Syokota 160948104Syokotastatic int 161048104Syokotaset_palette(video_adapter_t *adp, int base, int count, 161148104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 161248104Syokota{ 161348104Syokota u_char *r; 161448104Syokota u_char *g; 161548104Syokota u_char *b; 161648104Syokota int bits; 161748104Syokota int error; 161848104Syokota 1619203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1620198251Sjkim return (1); 1621203078Sjkim if ((base + count) > 256) 1622198251Sjkim return (1); 1623203078Sjkim if (!VESA_MODE(adp->va_mode)) 1624203078Sjkim return (1); 162548104Syokota 1626204265Sjkim bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; 1627198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 162848104Syokota g = r + count; 162948104Syokota b = g + count; 163048104Syokota copyin(red, r, count); 163148104Syokota copyin(green, g, count); 163248104Syokota copyin(blue, b, count); 163348104Syokota 163448104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 163548104Syokota free(r, M_DEVBUF); 163648104Syokota 1637198858Sjkim return (error); 163848104Syokota} 163948104Syokota 164048104Syokotastatic int 164148104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 164248104Syokota{ 164350446Syokota int bytes; 164450446Syokota 164542504Syokota if (adp != vesa_adp) 1646198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 164748104Syokota 164848104Syokota switch (cmd) { 164948104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 165050792Syokota if (!VESA_MODE(adp->va_mode)) 165150792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 165248104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 165348104Syokota 165448104Syokota case FBIO_SETDISPSTART: /* set display start address */ 165550792Syokota if (!VESA_MODE(adp->va_mode)) 1656198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 165748104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 165848104Syokota ((video_display_start_t *)arg)->y)) 1659198251Sjkim return (ENODEV); 166048104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 166148104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 1662198251Sjkim return (0); 166348104Syokota 166448104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 166550792Syokota if (!VESA_MODE(adp->va_mode)) 1666198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 166750446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 1668198251Sjkim return (ENODEV); 166950446Syokota adp->va_line_width = bytes; 167050446Syokota#if VESA_DEBUG > 1 167150446Syokota printf("new line width:%d\n", adp->va_line_width); 167250446Syokota#endif 1673198251Sjkim return (0); 167448104Syokota 167548104Syokota case FBIO_GETPALETTE: /* get color palette */ 167648104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 167748104Syokota ((video_color_palette_t *)arg)->count, 167848104Syokota ((video_color_palette_t *)arg)->red, 167948104Syokota ((video_color_palette_t *)arg)->green, 168048104Syokota ((video_color_palette_t *)arg)->blue, 168148104Syokota ((video_color_palette_t *)arg)->transparent)) 1682198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1683198251Sjkim return (0); 168448104Syokota 168548104Syokota 168648104Syokota case FBIO_SETPALETTE: /* set color palette */ 168748104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 168848104Syokota ((video_color_palette_t *)arg)->count, 168948104Syokota ((video_color_palette_t *)arg)->red, 169048104Syokota ((video_color_palette_t *)arg)->green, 169148104Syokota ((video_color_palette_t *)arg)->blue, 169248104Syokota ((video_color_palette_t *)arg)->transparent)) 1693198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1694198251Sjkim return (0); 169548104Syokota 169648104Syokota case FBIOGETCMAP: /* get color palette */ 169748104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 169848104Syokota ((struct fbcmap *)arg)->count, 169948104Syokota ((struct fbcmap *)arg)->red, 170048104Syokota ((struct fbcmap *)arg)->green, 170148104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1702198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1703198251Sjkim return (0); 170448104Syokota 170548104Syokota case FBIOPUTCMAP: /* set color palette */ 170648104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 170748104Syokota ((struct fbcmap *)arg)->count, 170848104Syokota ((struct fbcmap *)arg)->red, 170948104Syokota ((struct fbcmap *)arg)->green, 171048104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1711198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1712198251Sjkim return (0); 171348104Syokota 171448104Syokota default: 1715198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 171648104Syokota } 171748104Syokota} 171848104Syokota 171948104Syokotastatic int 172048104Syokotavesa_diag(video_adapter_t *adp, int level) 172148104Syokota{ 172248104Syokota int error; 172348104Syokota 172448104Syokota /* call the previous handler first */ 172548104Syokota error = (*prevvidsw->diag)(adp, level); 172648104Syokota if (error) 1727198251Sjkim return (error); 172848104Syokota 172948104Syokota if (adp != vesa_adp) 1730198251Sjkim return (1); 173142504Syokota 173248104Syokota if (level <= 0) 1733198251Sjkim return (0); 173448104Syokota 1735198251Sjkim return (0); 173648104Syokota} 173748104Syokota 173848104Syokotastatic int 173948104Syokotavesa_bios_info(int level) 174048104Syokota{ 174148104Syokota#if VESA_DEBUG > 1 174248104Syokota struct vesa_mode vmode; 174348104Syokota int i; 174439591Syokota#endif 1745198251Sjkim uint16_t vers; 174639591Syokota 1747198251Sjkim vers = vesa_adp_info->v_version; 1748198251Sjkim 1749131398Sjhb if (bootverbose) { 1750131398Sjhb /* general adapter information */ 1751131398Sjhb printf( 1752131398Sjhb "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 1753198251Sjkim (vers >> 12) * 10 + ((vers & 0x0f00) >> 8), 1754198251Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f), 1755131398Sjhb vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 1756131398Sjhb vesa_vmodetab, vesa_adp_info->v_modetable); 175739287Ssos 1758131398Sjhb /* OEM string */ 1759131398Sjhb if (vesa_oemstr != NULL) 1760131398Sjhb printf("VESA: %s\n", vesa_oemstr); 1761131398Sjhb } 1762131398Sjhb 176339287Ssos if (level <= 0) 1764198251Sjkim return (0); 176539287Ssos 1766198251Sjkim if (vers >= 0x0200 && bootverbose) { 176748104Syokota /* vender name, product name, product revision */ 176848104Syokota printf("VESA: %s %s %s\n", 176948104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 177048104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 177148104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 177239287Ssos } 177339287Ssos 177442504Syokota#if VESA_DEBUG > 1 177539287Ssos /* mode information */ 177639858Syokota for (i = 0; 177739858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 177839858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 1779209491Sjkim if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode, M_NOWAIT)) 178039287Ssos continue; 178139287Ssos 178239287Ssos /* print something for diagnostic purpose */ 178339287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 178439287Ssos vesa_vmodetab[i], vmode.v_modeattr); 178539287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 178639287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 178739287Ssos printf(", G %dx%dx%d %d, ", 178839287Ssos vmode.v_width, vmode.v_height, 178939287Ssos vmode.v_bpp, vmode.v_planes); 179039287Ssos } else { 179139287Ssos printf(", T %dx%d, ", 179239287Ssos vmode.v_width, vmode.v_height); 179339287Ssos } 179448104Syokota printf("font:%dx%d, ", 179539287Ssos vmode.v_cwidth, vmode.v_cheight); 179648104Syokota printf("pages:%d, mem:%d", 179748104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 179839287Ssos } 179939287Ssos if (vmode.v_modeattr & V_MODELFB) { 180048104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 180148104Syokota vmode.v_lfb, vmode.v_offscreen, 180248104Syokota vmode.v_offscreensize*1024); 180339287Ssos } 180439287Ssos printf("\n"); 180539287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 180639287Ssos vmode.v_waseg, vmode.v_waattr, 180739287Ssos vmode.v_wbseg, vmode.v_wbattr); 180839287Ssos printf("size:%dk, gran:%dk\n", 180939287Ssos vmode.v_wsize, vmode.v_wgran); 181039287Ssos } 181148104Syokota#endif /* VESA_DEBUG > 1 */ 181239287Ssos 1813198251Sjkim return (0); 181439287Ssos} 181539287Ssos 181639287Ssos/* module loading */ 181739287Ssos 181842504Syokotastatic int 181939287Ssosvesa_load(void) 182039287Ssos{ 182139287Ssos int error; 182239287Ssos 182339287Ssos if (vesa_init_done) 1824198251Sjkim return (0); 182539287Ssos 1826210994Sjkim mtx_init(&vesa_lock, "VESA lock", NULL, MTX_DEF); 1827210994Sjkim 182842504Syokota /* locate a VGA adapter */ 182939287Ssos vesa_adp = NULL; 183042504Syokota error = vesa_configure(0); 183139287Ssos 183239287Ssos if (error == 0) 183348104Syokota vesa_bios_info(bootverbose); 183439287Ssos 1835198251Sjkim return (error); 183639287Ssos} 183739287Ssos 183839287Ssosstatic int 183942179Syokotavesa_unload(void) 184039287Ssos{ 184145117Syokota u_char palette[256*3]; 184239287Ssos int error; 184339287Ssos 184439287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 184539287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 1846198251Sjkim return (EBUSY); 184739287Ssos /* 184839287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 184939287Ssos * we shouldn't be unloading! XXX 185039287Ssos */ 185139287Ssos 185239287Ssos if ((error = vesa_unload_ioctl()) == 0) { 185344162Syokota if (vesa_adp != NULL) { 1854204265Sjkim if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) { 1855204265Sjkim vesa_bios_save_palette(0, 256, palette, 8); 1856204265Sjkim vesa_bios_set_dac(6); 1857204265Sjkim vesa_adp->va_flags &= ~V_ADP_DAC8; 1858204265Sjkim vesa_bios_load_palette(0, 256, palette, 6); 185945117Syokota } 186039287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 186144162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 186244162Syokota } 186339287Ssos } 186439287Ssos 1865206384Sjkim if (vesa_adp_info != NULL) 1866206384Sjkim free(vesa_adp_info, M_DEVBUF); 1867198251Sjkim if (vesa_oemstr != NULL) 1868198251Sjkim free(vesa_oemstr, M_DEVBUF); 1869198251Sjkim if (vesa_venderstr != NULL) 1870198251Sjkim free(vesa_venderstr, M_DEVBUF); 1871198251Sjkim if (vesa_prodstr != NULL) 1872198251Sjkim free(vesa_prodstr, M_DEVBUF); 1873198251Sjkim if (vesa_revstr != NULL) 1874198251Sjkim free(vesa_revstr, M_DEVBUF); 1875198251Sjkim if (vesa_vmode != &vesa_vmode_empty) 1876198251Sjkim free(vesa_vmode, M_DEVBUF); 1877210016Sjkim if (vesa_palette != NULL) 1878210016Sjkim x86bios_free(vesa_palette, 1879210016Sjkim VESA_PALETTE_SIZE + vesa_state_buf_size); 1880210994Sjkim 1881210994Sjkim mtx_destroy(&vesa_lock); 1882210994Sjkim 1883198251Sjkim return (error); 188439287Ssos} 188539287Ssos 188642179Syokotastatic int 188742179Syokotavesa_mod_event(module_t mod, int type, void *data) 188839287Ssos{ 1889198251Sjkim 189042179Syokota switch (type) { 189142179Syokota case MOD_LOAD: 1892198251Sjkim return (vesa_load()); 189342179Syokota case MOD_UNLOAD: 1894198251Sjkim return (vesa_unload()); 189542179Syokota } 1896198251Sjkim return (EOPNOTSUPP); 189739287Ssos} 189839287Ssos 189942179Syokotastatic moduledata_t vesa_mod = { 190042179Syokota "vesa", 190142179Syokota vesa_mod_event, 190242179Syokota NULL, 190342179Syokota}; 190439287Ssos 190542504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1906197383SdelphijMODULE_DEPEND(vesa, x86bios, 1, 1, 1); 190742179Syokota 190856836Speter#endif /* VGA_NO_MODE_CHANGE */ 1909