vesa.c revision 203455
139287Ssos/*- 239643Syokota * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith 339287Ssos * All rights reserved. 439287Ssos * 539287Ssos * Redistribution and use in source and binary forms, with or without 639287Ssos * modification, are permitted provided that the following conditions 739287Ssos * are met: 839287Ssos * 1. Redistributions of source code must retain the above copyright 939643Syokota * notice, this list of conditions and the following disclaimer as 1039643Syokota * the first lines of this file unmodified. 1139287Ssos * 2. Redistributions in binary form must reproduce the above copyright 1239287Ssos * notice, this list of conditions and the following disclaimer in the 1339287Ssos * documentation and/or other materials provided with the distribution. 1439287Ssos * 1539643Syokota * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 1639643Syokota * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1739643Syokota * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1839643Syokota * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 1939643Syokota * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2039643Syokota * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2139643Syokota * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2239643Syokota * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2339643Syokota * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2439643Syokota * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2539287Ssos */ 2639287Ssos 27115703Sobrien#include <sys/cdefs.h> 28115703Sobrien__FBSDID("$FreeBSD: head/sys/dev/fb/vesa.c 203455 2010-02-03 22:20:57Z jkim $"); 29115703Sobrien 3042504Syokota#include "opt_vga.h" 3166710Sjhb#include "opt_vesa.h" 3239287Ssos 3356836Speter#ifndef VGA_NO_MODE_CHANGE 3439287Ssos 3539287Ssos#include <sys/param.h> 36198251Sjkim#include <sys/bus.h> 3739287Ssos#include <sys/systm.h> 3839287Ssos#include <sys/kernel.h> 3942179Syokota#include <sys/module.h> 4039287Ssos#include <sys/malloc.h> 4148104Syokota#include <sys/fbio.h> 4248104Syokota 4339287Ssos#include <vm/vm.h> 4448104Syokota#include <vm/vm_extern.h> 4548104Syokota#include <vm/vm_kern.h> 46130312Sjhb#include <vm/vm_param.h> 4739287Ssos#include <vm/pmap.h> 4839287Ssos 49197383Sdelphij#include <machine/pc/bios.h> 50197025Sdelphij#include <dev/fb/vesa.h> 5139287Ssos 5242504Syokota#include <dev/fb/fbreg.h> 5342504Syokota#include <dev/fb/vgareg.h> 5439287Ssos 55198251Sjkim#include <dev/pci/pcivar.h> 56198251Sjkim 5742504Syokota#include <isa/isareg.h> 5842504Syokota 59197444Sjkim#include <compat/x86bios/x86bios.h> 60197025Sdelphij 61117710Srobert#define VESA_VIA_CLE266 "VIA CLE266\r\n" 62117710Srobert 6342504Syokota#ifndef VESA_DEBUG 6442611Syokota#define VESA_DEBUG 0 6542504Syokota#endif 6642504Syokota 6739287Ssos/* VESA video adapter state buffer stub */ 6839287Ssosstruct adp_state { 6939287Ssos int sig; 7039287Ssos#define V_STATE_SIG 0x61736576 7139287Ssos u_char regs[1]; 7239287Ssos}; 7339287Ssostypedef struct adp_state adp_state_t; 7439287Ssos 7539287Ssos/* VESA video adapter */ 7639287Ssosstatic video_adapter_t *vesa_adp = NULL; 77198419Sjkimstatic ssize_t vesa_state_buf_size = -1; 7839287Ssos 7939287Ssos/* VESA functions */ 8048399Speter#if 0 8142504Syokotastatic int vesa_nop(void); 8248399Speter#endif 8348104Syokotastatic int vesa_error(void); 8442504Syokotastatic vi_probe_t vesa_probe; 8539287Ssosstatic vi_init_t vesa_init; 8639287Ssosstatic vi_get_info_t vesa_get_info; 8739287Ssosstatic vi_query_mode_t vesa_query_mode; 8839287Ssosstatic vi_set_mode_t vesa_set_mode; 8939287Ssosstatic vi_save_font_t vesa_save_font; 9039287Ssosstatic vi_load_font_t vesa_load_font; 9139287Ssosstatic vi_show_font_t vesa_show_font; 9239287Ssosstatic vi_save_palette_t vesa_save_palette; 9339287Ssosstatic vi_load_palette_t vesa_load_palette; 9439287Ssosstatic vi_set_border_t vesa_set_border; 9539287Ssosstatic vi_save_state_t vesa_save_state; 9639287Ssosstatic vi_load_state_t vesa_load_state; 9739287Ssosstatic vi_set_win_org_t vesa_set_origin; 9839287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 9939287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 10042504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 10148104Syokotastatic vi_blank_display_t vesa_blank_display; 10242504Syokotastatic vi_mmap_t vesa_mmap; 10348104Syokotastatic vi_ioctl_t vesa_ioctl; 10448104Syokotastatic vi_clear_t vesa_clear; 10548104Syokotastatic vi_fill_rect_t vesa_fill_rect; 10648104Syokotastatic vi_bitblt_t vesa_bitblt; 10739287Ssosstatic vi_diag_t vesa_diag; 10848104Syokotastatic int vesa_bios_info(int level); 10939287Ssos 11042504Syokotastatic video_switch_t vesavidsw = { 11142504Syokota vesa_probe, 11242504Syokota vesa_init, 11342504Syokota vesa_get_info, 11442504Syokota vesa_query_mode, 11542504Syokota vesa_set_mode, 11642504Syokota vesa_save_font, 11742504Syokota vesa_load_font, 11842504Syokota vesa_show_font, 11942504Syokota vesa_save_palette, 12042504Syokota vesa_load_palette, 12142504Syokota vesa_set_border, 12242504Syokota vesa_save_state, 12342504Syokota vesa_load_state, 12442504Syokota vesa_set_origin, 12542504Syokota vesa_read_hw_cursor, 12642504Syokota vesa_set_hw_cursor, 12742504Syokota vesa_set_hw_cursor_shape, 12848104Syokota vesa_blank_display, 12942504Syokota vesa_mmap, 13048104Syokota vesa_ioctl, 13148104Syokota vesa_clear, 13248104Syokota vesa_fill_rect, 13348104Syokota vesa_bitblt, 13448104Syokota vesa_error, 13548104Syokota vesa_error, 13639287Ssos vesa_diag, 13739287Ssos}; 13839287Ssos 13942504Syokotastatic video_switch_t *prevvidsw; 14039287Ssos 14139287Ssos/* VESA BIOS video modes */ 14239287Ssos#define VESA_MAXMODES 64 14339287Ssos#define EOT (-1) 14439287Ssos#define NA (-2) 14539287Ssos 14648104Syokota#define MODE_TABLE_DELTA 8 14739287Ssos 14848104Syokotastatic int vesa_vmode_max = 0; 14948104Syokotastatic video_info_t vesa_vmode_empty = { EOT }; 15048104Syokotastatic video_info_t *vesa_vmode = &vesa_vmode_empty; 15148104Syokota 15239287Ssosstatic int vesa_init_done = FALSE; 15339287Ssosstatic int has_vesa_bios = FALSE; 15439287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 15539287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 15639858Syokotastatic char *vesa_oemstr = NULL; 15739858Syokotastatic char *vesa_venderstr = NULL; 15839858Syokotastatic char *vesa_prodstr = NULL; 15939858Syokotastatic char *vesa_revstr = NULL; 16039287Ssos 16139287Ssos/* local macros and functions */ 16239287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 16339287Ssos 16442504Syokotastatic int int10_set_mode(int mode); 165198251Sjkimstatic int vesa_bios_post(void); 16639287Ssosstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode); 16739287Ssosstatic int vesa_bios_set_mode(int mode); 16845117Syokotastatic int vesa_bios_get_dac(void); 16939287Ssosstatic int vesa_bios_set_dac(int bits); 17042729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 17142729Syokota int bits); 17248104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 17348104Syokota u_char *b, int bits); 17442729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 17542729Syokota int bits); 17648104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 17748104Syokota u_char *b, int bits); 17839287Ssos#define STATE_SIZE 0 17939287Ssos#define STATE_SAVE 1 18039287Ssos#define STATE_LOAD 2 18139287Ssos#define STATE_HW (1<<0) 18239287Ssos#define STATE_DATA (1<<1) 18339287Ssos#define STATE_DAC (1<<2) 18439287Ssos#define STATE_REG (1<<3) 18539287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 18639287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 187198419Sjkimstatic ssize_t vesa_bios_state_buf_size(void); 18839287Ssosstatic int vesa_bios_save_restore(int code, void *p, size_t size); 189203453Sjkim#if 0 19043664Syokotastatic int vesa_bios_get_line_length(void); 191203453Sjkim#endif 19250446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 19348399Speter#if 0 19448104Syokotastatic int vesa_bios_get_start(int *x, int *y); 19548399Speter#endif 19648104Syokotastatic int vesa_bios_set_start(int x, int y); 19739591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 19839591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 19948104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 20039287Ssosstatic int vesa_bios_init(void); 20139591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 20248104Syokotastatic vm_offset_t vesa_map_buffer(u_int paddr, size_t size); 20348104Syokotastatic void vesa_unmap_buffer(vm_offset_t vaddr, size_t size); 20439287Ssos 20548399Speter#if 0 20648104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 20748399Speter#endif 20848104Syokota 20939287Ssosstatic void 21039287Ssosdump_buffer(u_char *buf, size_t len) 21139287Ssos{ 21239287Ssos int i; 21339287Ssos 21439287Ssos for(i = 0; i < len;) { 21539287Ssos printf("%02x ", buf[i]); 21639287Ssos if ((++i % 16) == 0) 21739287Ssos printf("\n"); 21839287Ssos } 21939287Ssos} 22039287Ssos 22142504Syokota/* INT 10 BIOS calls */ 22242504Syokotastatic int 22342504Syokotaint10_set_mode(int mode) 22442504Syokota{ 225197383Sdelphij x86regs_t regs; 22642504Syokota 227198251Sjkim x86bios_init_regs(®s); 228198251Sjkim regs.R_AL = mode; 229197383Sdelphij 230197466Sjkim x86bios_intr(®s, 0x10); 231197383Sdelphij 232198251Sjkim return (0); 23342504Syokota} 23442504Syokota 235198251Sjkimstatic int 236198251Sjkimvesa_bios_post(void) 237198251Sjkim{ 238198251Sjkim x86regs_t regs; 239198251Sjkim devclass_t dc; 240198251Sjkim device_t *devs; 241198251Sjkim device_t dev; 242198251Sjkim int count, i, is_pci; 243198251Sjkim 244198251Sjkim if (x86bios_get_orm(0xc0000) == NULL) 245198251Sjkim return (1); 246198251Sjkim 247198251Sjkim dev = NULL; 248198251Sjkim is_pci = 0; 249198251Sjkim 250198251Sjkim /* Find the matching PCI video controller. */ 251198251Sjkim dc = devclass_find("vgapci"); 252198251Sjkim if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) { 253198251Sjkim for (dev = NULL, i = 0; dev == NULL && i < count; devs++, i++) 254199230Sjkim if (device_get_flags(*devs) != 0 && 255199230Sjkim x86bios_match_device(0xc0000, *devs)) { 256198251Sjkim dev = *devs; 257198251Sjkim is_pci = 1; 258198251Sjkim break; 259198251Sjkim } 260198251Sjkim free(devs, M_TEMP); 261198251Sjkim } 262198251Sjkim 263198251Sjkim /* Try VGA if a PCI device is not found. */ 264198251Sjkim if (dev == NULL) { 265198251Sjkim dc = devclass_find(VGA_DRIVER_NAME); 266198251Sjkim if (dc != NULL) 267198251Sjkim dev = devclass_get_device(dc, 0); 268198251Sjkim } 269198251Sjkim 270198251Sjkim if (bootverbose) 271198251Sjkim printf("%s: calling BIOS POST\n", 272198251Sjkim dev == NULL ? "VESA" : device_get_nameunit(dev)); 273198251Sjkim 274198251Sjkim x86bios_init_regs(®s); 275198251Sjkim if (is_pci) { 276198251Sjkim regs.R_AH = pci_get_bus(dev); 277198251Sjkim regs.R_AL = (pci_get_slot(dev) << 3) | 278198251Sjkim (pci_get_function(dev) & 0x07); 279198251Sjkim } 280198251Sjkim regs.R_DL = 0x80; 281198251Sjkim x86bios_call(®s, 0xc000, 0x0003); 282198419Sjkim 283198419Sjkim if (x86bios_get_intr(0x10) == 0) 284198419Sjkim return (1); 285198419Sjkim 286198251Sjkim return (0); 287198251Sjkim} 288198251Sjkim 28939287Ssos/* VESA BIOS calls */ 29039287Ssosstatic int 29139287Ssosvesa_bios_get_mode(int mode, struct vesa_mode *vmode) 29239287Ssos{ 293197383Sdelphij x86regs_t regs; 294198251Sjkim uint32_t offs; 295198251Sjkim void *buf; 29639287Ssos 297198251Sjkim buf = x86bios_alloc(&offs, sizeof(*vmode)); 298198251Sjkim if (buf == NULL) 299198251Sjkim return (1); 30044846Sjlemon 301198251Sjkim x86bios_init_regs(®s); 302198251Sjkim regs.R_AX = 0x4f01; 303198251Sjkim regs.R_CX = mode; 304197025Sdelphij 305198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 306198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 307197025Sdelphij 308197466Sjkim x86bios_intr(®s, 0x10); 309197383Sdelphij 310198251Sjkim if (regs.R_AX != 0x004f) { 311198251Sjkim x86bios_free(buf, sizeof(*vmode)); 312198251Sjkim return (1); 313197383Sdelphij } 314197025Sdelphij 31539287Ssos bcopy(buf, vmode, sizeof(*vmode)); 316198251Sjkim x86bios_free(buf, sizeof(*vmode)); 317197025Sdelphij 318198251Sjkim return (0); 31939287Ssos} 32039287Ssos 32139287Ssosstatic int 32239287Ssosvesa_bios_set_mode(int mode) 32339287Ssos{ 324197383Sdelphij x86regs_t regs; 32539287Ssos 326198251Sjkim x86bios_init_regs(®s); 327198251Sjkim regs.R_AX = 0x4f02; 328198251Sjkim regs.R_BX = mode; 329197025Sdelphij 330197466Sjkim x86bios_intr(®s, 0x10); 331197383Sdelphij 332198251Sjkim return (regs.R_AX != 0x004f); 33339287Ssos} 33439287Ssos 33539287Ssosstatic int 33645117Syokotavesa_bios_get_dac(void) 33745117Syokota{ 338197383Sdelphij x86regs_t regs; 33945117Syokota 340198251Sjkim x86bios_init_regs(®s); 341198251Sjkim regs.R_AX = 0x4f08; 342198251Sjkim regs.R_BL = 1; 343197025Sdelphij 344197466Sjkim x86bios_intr(®s, 0x10); 345197383Sdelphij 346198251Sjkim if (regs.R_AX != 0x004f) 347198251Sjkim return (6); 348197025Sdelphij 349198251Sjkim return (regs.R_BH); 35045117Syokota} 35145117Syokota 35245117Syokotastatic int 35339287Ssosvesa_bios_set_dac(int bits) 35439287Ssos{ 355197383Sdelphij x86regs_t regs; 35639287Ssos 357198251Sjkim x86bios_init_regs(®s); 358198251Sjkim regs.R_AX = 0x4f08; 359198251Sjkim /* regs.R_BL = 0; */ 360198251Sjkim regs.R_BH = bits; 361197025Sdelphij 362197466Sjkim x86bios_intr(®s, 0x10); 363197383Sdelphij 364198251Sjkim if (regs.R_AX != 0x004f) 365198251Sjkim return (6); 366197025Sdelphij 367198251Sjkim return (regs.R_BH); 36839287Ssos} 36939287Ssos 37039287Ssosstatic int 37142729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 37239287Ssos{ 373197383Sdelphij x86regs_t regs; 374198251Sjkim uint32_t offs; 37539287Ssos u_char *p; 37639287Ssos int i; 37739287Ssos 378198251Sjkim p = (u_char *)x86bios_alloc(&offs, colors * 4); 379198251Sjkim if (p == NULL) 380198251Sjkim return (1); 38144846Sjlemon 382198251Sjkim x86bios_init_regs(®s); 383198251Sjkim regs.R_AX = 0x4f09; 384198251Sjkim regs.R_BL = 1; 385198251Sjkim regs.R_CX = colors; 386198251Sjkim regs.R_DX = start; 387197025Sdelphij 388198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 389198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 390197025Sdelphij 391197466Sjkim x86bios_intr(®s, 0x10); 392197025Sdelphij 393198251Sjkim if (regs.R_AX != 0x004f) { 394198251Sjkim x86bios_free(p, colors * 4); 395198251Sjkim return (1); 396197383Sdelphij } 39739287Ssos 39842729Syokota bits = 8 - bits; 39939287Ssos for (i = 0; i < colors; ++i) { 400198858Sjkim palette[i * 3] = p[i * 4 + 2] << bits; 401198858Sjkim palette[i * 3 + 1] = p[i * 4 + 1] << bits; 402198858Sjkim palette[i * 3 + 2] = p[i * 4] << bits; 40339287Ssos } 404198251Sjkim x86bios_free(p, colors * 4); 405197383Sdelphij 406198251Sjkim return (0); 40739287Ssos} 40839287Ssos 40939287Ssosstatic int 41048104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 41148104Syokota int bits) 41248104Syokota{ 413197383Sdelphij x86regs_t regs; 414198251Sjkim uint32_t offs; 41548104Syokota u_char *p; 41648104Syokota int i; 41748104Syokota 418198251Sjkim p = (u_char *)x86bios_alloc(&offs, colors * 4); 419198251Sjkim if (p == NULL) 420198251Sjkim return (1); 42148104Syokota 422198251Sjkim x86bios_init_regs(®s); 423198251Sjkim regs.R_AX = 0x4f09; 424198251Sjkim regs.R_BL = 1; 425198251Sjkim regs.R_CX = colors; 426198251Sjkim regs.R_DX = start; 427197025Sdelphij 428198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 429198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 430197025Sdelphij 431197466Sjkim x86bios_intr(®s, 0x10); 432197025Sdelphij 433198251Sjkim if (regs.R_AX != 0x004f) { 434198251Sjkim x86bios_free(p, colors * 4); 435198251Sjkim return (1); 436197383Sdelphij } 43748104Syokota 43848104Syokota bits = 8 - bits; 43948104Syokota for (i = 0; i < colors; ++i) { 440198858Sjkim r[i] = p[i * 4 + 2] << bits; 441198858Sjkim g[i] = p[i * 4 + 1] << bits; 442198858Sjkim b[i] = p[i * 4] << bits; 44348104Syokota } 444198251Sjkim x86bios_free(p, colors * 4); 445197383Sdelphij 446198251Sjkim return (0); 44748104Syokota} 44848104Syokota 44948104Syokotastatic int 45042729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 45139287Ssos{ 452197383Sdelphij x86regs_t regs; 453198251Sjkim uint32_t offs; 45439287Ssos u_char *p; 45539287Ssos int i; 45639287Ssos 457198251Sjkim p = (u_char *)x86bios_alloc(&offs, colors * 4); 458198251Sjkim if (p == NULL) 459198251Sjkim return (1); 460197025Sdelphij 461198251Sjkim x86bios_init_regs(®s); 462198251Sjkim regs.R_AX = 0x4f09; 463198251Sjkim /* regs.R_BL = 0; */ 464198251Sjkim regs.R_CX = colors; 465198251Sjkim regs.R_DX = start; 466198251Sjkim 467198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 468198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 469198251Sjkim 47042729Syokota bits = 8 - bits; 47139287Ssos for (i = 0; i < colors; ++i) { 472198858Sjkim p[i * 4] = palette[i * 3 + 2] >> bits; 473198858Sjkim p[i * 4 + 1] = palette[i * 3 + 1] >> bits; 474198858Sjkim p[i * 4 + 2] = palette[i * 3] >> bits; 475198858Sjkim p[i * 4 + 3] = 0; 47639287Ssos } 477197466Sjkim x86bios_intr(®s, 0x10); 478198251Sjkim x86bios_free(p, colors * 4); 479197025Sdelphij 480198251Sjkim return (regs.R_AX != 0x004f); 48139287Ssos} 48239287Ssos 48339287Ssosstatic int 48448104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 48548104Syokota int bits) 48648104Syokota{ 487197383Sdelphij x86regs_t regs; 488198251Sjkim uint32_t offs; 48948104Syokota u_char *p; 49048104Syokota int i; 49148104Syokota 492198251Sjkim p = (u_char *)x86bios_alloc(&offs, colors * 4); 493198251Sjkim if (p == NULL) 494198251Sjkim return (1); 495197025Sdelphij 496198251Sjkim x86bios_init_regs(®s); 497198251Sjkim regs.R_AX = 0x4f09; 498198251Sjkim /* regs.R_BL = 0; */ 499198251Sjkim regs.R_CX = colors; 500198251Sjkim regs.R_DX = start; 501198251Sjkim 502198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 503198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 504198251Sjkim 50548104Syokota bits = 8 - bits; 50648104Syokota for (i = 0; i < colors; ++i) { 507198858Sjkim p[i * 4] = b[i] >> bits; 508198858Sjkim p[i * 4 + 1] = g[i] >> bits; 509198858Sjkim p[i * 4 + 2] = r[i] >> bits; 510198858Sjkim p[i * 4 + 3] = 0; 51148104Syokota } 512197466Sjkim x86bios_intr(®s, 0x10); 513198251Sjkim x86bios_free(p, colors * 4); 514197025Sdelphij 515198251Sjkim return (regs.R_AX != 0x004f); 51648104Syokota} 51748104Syokota 518198419Sjkimstatic ssize_t 51939287Ssosvesa_bios_state_buf_size(void) 52039287Ssos{ 521197383Sdelphij x86regs_t regs; 52239287Ssos 523198251Sjkim x86bios_init_regs(®s); 524198251Sjkim regs.R_AX = 0x4f04; 525198251Sjkim /* regs.R_DL = STATE_SIZE; */ 526198251Sjkim regs.R_CX = STATE_ALL; 527197025Sdelphij 528197466Sjkim x86bios_intr(®s, 0x10); 529197383Sdelphij 530198251Sjkim if (regs.R_AX != 0x004f) 531198251Sjkim return (0); 532197025Sdelphij 533198251Sjkim return (regs.R_BX * 64); 53439287Ssos} 53539287Ssos 53639287Ssosstatic int 53739287Ssosvesa_bios_save_restore(int code, void *p, size_t size) 53839287Ssos{ 539197383Sdelphij x86regs_t regs; 540198251Sjkim uint32_t offs; 541198251Sjkim void *buf; 54239287Ssos 543198251Sjkim if (code != STATE_SAVE && code != STATE_LOAD) 544198251Sjkim return (1); 545197025Sdelphij 546198251Sjkim buf = x86bios_alloc(&offs, size); 547197025Sdelphij 548198251Sjkim x86bios_init_regs(®s); 549198251Sjkim regs.R_AX = 0x4f04; 550198251Sjkim regs.R_DL = code; 551198251Sjkim regs.R_CX = STATE_ALL; 552197025Sdelphij 553198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 554198251Sjkim regs.R_BX = X86BIOS_PHYSTOOFF(offs); 55544846Sjlemon 556198251Sjkim switch (code) { 557198251Sjkim case STATE_SAVE: 558198251Sjkim x86bios_intr(®s, 0x10); 559198251Sjkim bcopy(buf, p, size); 560198251Sjkim break; 561198251Sjkim case STATE_LOAD: 562198251Sjkim bcopy(p, buf, size); 563198251Sjkim x86bios_intr(®s, 0x10); 564198251Sjkim break; 565198251Sjkim } 566198251Sjkim x86bios_free(buf, size); 567197025Sdelphij 568198251Sjkim return (regs.R_AX != 0x004f); 56939287Ssos} 57039287Ssos 571203453Sjkim#if 0 57243664Syokotastatic int 57343664Syokotavesa_bios_get_line_length(void) 57443664Syokota{ 575197383Sdelphij x86regs_t regs; 57643664Syokota 577198251Sjkim x86bios_init_regs(®s); 578198251Sjkim regs.R_AX = 0x4f06; 579198251Sjkim regs.R_BL = 1; 580197025Sdelphij 581197466Sjkim x86bios_intr(®s, 0x10); 582197383Sdelphij 583198251Sjkim if (regs.R_AX != 0x004f) 584198251Sjkim return (-1); 585197383Sdelphij 586198251Sjkim return (regs.R_BX); 58743664Syokota} 588203453Sjkim#endif 58943664Syokota 59048104Syokotastatic int 59150446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 59248104Syokota{ 593197383Sdelphij x86regs_t regs; 59448104Syokota 595198251Sjkim x86bios_init_regs(®s); 596198251Sjkim regs.R_AX = 0x4f06; 597198251Sjkim /* regs.R_BL = 0; */ 598198251Sjkim regs.R_CX = pixel; 599197025Sdelphij 600197466Sjkim x86bios_intr(®s, 0x10); 601197383Sdelphij 60248104Syokota#if VESA_DEBUG > 1 603197383Sdelphij printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX); 60448104Syokota#endif 605198251Sjkim if (regs.R_AX != 0x004f) 606198251Sjkim return (-1); 607197025Sdelphij 608198251Sjkim if (bytes != NULL) 609197383Sdelphij *bytes = regs.R_BX; 610198251Sjkim if (lines != NULL) 611197383Sdelphij *lines = regs.R_DX; 612197025Sdelphij 613198251Sjkim return (0); 61448104Syokota} 61548104Syokota 61648399Speter#if 0 61748104Syokotastatic int 61848104Syokotavesa_bios_get_start(int *x, int *y) 61948104Syokota{ 620197383Sdelphij x86regs_t regs; 62148104Syokota 622198251Sjkim x86bios_init_regs(®s); 623198251Sjkim regs.R_AX = 0x4f07; 624198251Sjkim regs.R_BL = 1; 625197025Sdelphij 626197466Sjkim x86bios_intr(®s, 0x10); 627197383Sdelphij 628198251Sjkim if (regs.R_AX != 0x004f) 629198251Sjkim return (-1); 630197025Sdelphij 631197383Sdelphij *x = regs.R_CX; 632197383Sdelphij *y = regs.R_DX; 633197025Sdelphij 634198251Sjkim return (0); 63548104Syokota} 63648399Speter#endif 63748104Syokota 63848104Syokotastatic int 63948104Syokotavesa_bios_set_start(int x, int y) 64048104Syokota{ 641197383Sdelphij x86regs_t regs; 64248104Syokota 643198251Sjkim x86bios_init_regs(®s); 644198251Sjkim regs.R_AX = 0x4f07; 645198251Sjkim regs.R_BL = 0x80; 646198251Sjkim regs.R_CX = x; 647198251Sjkim regs.R_DX = y; 648197025Sdelphij 649197466Sjkim x86bios_intr(®s, 0x10); 650197383Sdelphij 651198251Sjkim return (regs.R_AX != 0x004f); 65248104Syokota} 65348104Syokota 65439591Syokota/* map a generic video mode to a known mode */ 65539287Ssosstatic int 65639591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 65739287Ssos{ 65839591Syokota static struct { 65939591Syokota int from; 66039591Syokota int to; 66139591Syokota } mode_map[] = { 66239591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 66339591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 66439591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 66539591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 66639591Syokota }; 66739591Syokota int i; 66839591Syokota 66939591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 67039591Syokota if (mode_map[i].from == mode) 671198251Sjkim return (mode_map[i].to); 67239591Syokota } 673198251Sjkim return (mode); 67439591Syokota} 67539591Syokota 67639591Syokotastatic int 67739591Syokotavesa_translate_flags(u_int16_t vflags) 67839591Syokota{ 67939287Ssos static struct { 68039287Ssos u_int16_t mask; 68139287Ssos int set; 68239287Ssos int reset; 68339287Ssos } ftable[] = { 68439287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 68539287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 68642235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 687198858Sjkim { V_MODENONVGA, V_INFO_NONVGA, 0 }, 68839287Ssos }; 68939287Ssos int flags; 69039287Ssos int i; 69139287Ssos 69239287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 69339287Ssos flags |= (vflags & ftable[i].mask) ? 69439287Ssos ftable[i].set : ftable[i].reset; 69539287Ssos } 696198251Sjkim return (flags); 69739287Ssos} 69839287Ssos 69948104Syokotastatic int 70048104Syokotavesa_translate_mmodel(u_int8_t vmodel) 70148104Syokota{ 70248104Syokota static struct { 70348104Syokota u_int8_t vmodel; 70448104Syokota int mmodel; 70548104Syokota } mtable[] = { 70648104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 70748104Syokota { V_MMCGA, V_INFO_MM_CGA }, 70848104Syokota { V_MMHGC, V_INFO_MM_HGC }, 70948104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 71048104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 71148104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 71248104Syokota }; 71348104Syokota int i; 71448104Syokota 71548104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 71648104Syokota if (mtable[i].vmodel == vmodel) 717198251Sjkim return (mtable[i].mmodel); 71848104Syokota } 719198251Sjkim return (V_INFO_MM_OTHER); 72048104Syokota} 72148104Syokota 722198251Sjkim#define VESA_MAXSTR 256 723198251Sjkim 724198251Sjkim#define VESA_STRCPY(dst, src) do { \ 725198251Sjkim char *str; \ 726198251Sjkim int i; \ 727198251Sjkim dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \ 728198251Sjkim str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \ 729198251Sjkim for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \ 730198251Sjkim dst[i] = str[i]; \ 731198251Sjkim dst[i] = '\0'; \ 732198251Sjkim} while (0) 733198251Sjkim 734197496Sjkimstatic int 73539287Ssosvesa_bios_init(void) 73639287Ssos{ 737197025Sdelphij static struct vesa_info buf; 73839287Ssos struct vesa_mode vmode; 73948104Syokota video_info_t *p; 740197383Sdelphij x86regs_t regs; 741197496Sjkim size_t bsize; 742198251Sjkim void *vmbuf; 743198251Sjkim uint32_t offs; 744198251Sjkim uint16_t vers; 745117710Srobert int is_via_cle266; 74639287Ssos int modes; 74739287Ssos int i; 74839287Ssos 74939287Ssos if (vesa_init_done) 750198251Sjkim return (0); 75139287Ssos 75239287Ssos has_vesa_bios = FALSE; 75339287Ssos vesa_adp_info = NULL; 75448104Syokota vesa_vmode_max = 0; 75539287Ssos vesa_vmode[0].vi_mode = EOT; 75639287Ssos 757198251Sjkim /* 758198251Sjkim * If the VBE real mode interrupt vector is not found, try BIOS POST. 759198251Sjkim */ 760198251Sjkim if (x86bios_get_intr(0x10) == 0) { 761198251Sjkim if (vesa_bios_post() != 0) 762198251Sjkim return (1); 763198419Sjkim if (bootverbose) { 764198419Sjkim offs = x86bios_get_intr(0x10); 765198251Sjkim printf("VESA: interrupt vector installed (0x%x)\n", 766198251Sjkim BIOS_SADDRTOLADDR(offs)); 767198419Sjkim } 768198251Sjkim } 76944846Sjlemon 770198251Sjkim x86bios_init_regs(®s); 771198251Sjkim regs.R_AX = 0x4f00; 772197025Sdelphij 773198251Sjkim vmbuf = x86bios_alloc(&offs, sizeof(buf)); 774198251Sjkim if (vmbuf == NULL) 775198251Sjkim return (1); 776198251Sjkim 777198251Sjkim regs.R_ES = X86BIOS_PHYSTOSEG(offs); 778198251Sjkim regs.R_DI = X86BIOS_PHYSTOOFF(offs); 779198251Sjkim 780198251Sjkim bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 781197466Sjkim x86bios_intr(®s, 0x10); 782197025Sdelphij 783198251Sjkim if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0) 784198251Sjkim goto fail; 785197025Sdelphij 786197025Sdelphij bcopy(vmbuf, &buf, sizeof(buf)); 787197025Sdelphij 788197025Sdelphij vesa_adp_info = &buf; 78942504Syokota if (bootverbose) { 79042504Syokota printf("VESA: information block\n"); 791197025Sdelphij dump_buffer((u_char *)&buf, sizeof(buf)); 79242504Syokota } 793198251Sjkim 794198251Sjkim vers = buf.v_version = le16toh(buf.v_version); 795198251Sjkim buf.v_oemstr = le32toh(buf.v_oemstr); 796198251Sjkim buf.v_flags = le32toh(buf.v_flags); 797198251Sjkim buf.v_modetable = le32toh(buf.v_modetable); 798198251Sjkim buf.v_memsize = le16toh(buf.v_memsize); 799198251Sjkim buf.v_revision = le16toh(buf.v_revision); 800198251Sjkim buf.v_venderstr = le32toh(buf.v_venderstr); 801198251Sjkim buf.v_prodstr = le32toh(buf.v_prodstr); 802198251Sjkim buf.v_revstr = le32toh(buf.v_revstr); 803198251Sjkim 804198251Sjkim if (vers < 0x0102) { 80548104Syokota printf("VESA: VBE version %d.%d is not supported; " 806203455Sjkim "version 1.2 or later is required.\n", 807203455Sjkim ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8), 808203455Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f)); 809198251Sjkim return (1); 81048104Syokota } 81139287Ssos 812198251Sjkim VESA_STRCPY(vesa_oemstr, buf.v_oemstr); 813198251Sjkim if (vers >= 0x0200) { 814198251Sjkim VESA_STRCPY(vesa_venderstr, buf.v_venderstr); 815198251Sjkim VESA_STRCPY(vesa_prodstr, buf.v_prodstr); 816198251Sjkim VESA_STRCPY(vesa_revstr, buf.v_revstr); 81739858Syokota } 818198251Sjkim is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266, 819198251Sjkim sizeof(VESA_VIA_CLE266)) == 0; 82039858Syokota 821198251Sjkim if (buf.v_modetable == 0) 822198251Sjkim goto fail; 823197025Sdelphij 824198251Sjkim vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf.v_modetable)); 825197025Sdelphij 826203455Sjkim for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) && 827203455Sjkim (vesa_vmodetab[i] != 0xffff); ++i) { 828198251Sjkim vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]); 82939287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 83039287Ssos continue; 83139287Ssos 832198419Sjkim vmode.v_modeattr = le16toh(vmode.v_modeattr); 833198419Sjkim vmode.v_wgran = le16toh(vmode.v_wgran); 834198419Sjkim vmode.v_wsize = le16toh(vmode.v_wsize); 835198419Sjkim vmode.v_waseg = le16toh(vmode.v_waseg); 836198419Sjkim vmode.v_wbseg = le16toh(vmode.v_wbseg); 837198419Sjkim vmode.v_posfunc = le32toh(vmode.v_posfunc); 838198419Sjkim vmode.v_bpscanline = le16toh(vmode.v_bpscanline); 839198419Sjkim vmode.v_width = le16toh(vmode.v_width); 840198419Sjkim vmode.v_height = le16toh(vmode.v_height); 841198419Sjkim vmode.v_lfb = le32toh(vmode.v_lfb); 842198419Sjkim vmode.v_offscreen = le32toh(vmode.v_offscreen); 843198419Sjkim vmode.v_offscreensize = le16toh(vmode.v_offscreensize); 844198419Sjkim vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline); 845198419Sjkim vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock); 846198419Sjkim 84739287Ssos /* reject unsupported modes */ 84839287Ssos#if 0 849203455Sjkim if ((vmode.v_modeattr & 850203455Sjkim (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) != 851203455Sjkim (V_MODESUPP | V_MODEOPTINFO)) 85239287Ssos continue; 85339287Ssos#else 85467816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 85566710Sjhb#if VESA_DEBUG > 1 856203455Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 857203455Sjkim " attr = %x\n", 858203455Sjkim vmode.v_modeattr & V_MODEGRAPHICS ? 859203455Sjkim "graphics" : "text", 86066710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 86166710Sjhb vmode.v_modeattr); 86266710Sjhb#endif 86339287Ssos continue; 86466710Sjhb } 86539287Ssos#endif 86639287Ssos 86748104Syokota /* expand the array if necessary */ 86848104Syokota if (modes >= vesa_vmode_max) { 86948104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 870203455Sjkim p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1), 871203455Sjkim M_DEVBUF, M_WAITOK); 87248104Syokota#if VESA_DEBUG > 1 87348104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 874203455Sjkim modes, vesa_vmode_max); 87548104Syokota#endif 87648104Syokota if (modes > 0) { 87748104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 87848104Syokota free(vesa_vmode, M_DEVBUF); 87948104Syokota } 88048104Syokota vesa_vmode = p; 88148104Syokota } 88248104Syokota 88366710Sjhb#if VESA_DEBUG > 1 88466710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 88566710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 88666710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 88766710Sjhb#endif 888117710Srobert if (is_via_cle266) { 889117710Srobert if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { 890117710Srobert vmode.v_width &= 0xff; 891117710Srobert vmode.v_waseg = 0xb8000 >> 4; 892117710Srobert } 893117710Srobert } 894117710Srobert 89539287Ssos /* copy some fields */ 89639287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 89739287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 89839287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 89939287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 90039287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 90139287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 90239287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 90339287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 904203455Sjkim vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4; 90539287Ssos /* XXX window B */ 906203455Sjkim vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024; 907203455Sjkim vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024; 908203453Sjkim if (vmode.v_modeattr & V_MODELFB) { 90948104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 910203453Sjkim vesa_vmode[modes].vi_line_width = vers >= 0x0300 ? 911203453Sjkim vmode.v_linbpscanline : vmode.v_bpscanline; 912203455Sjkim } else 913203453Sjkim vesa_vmode[modes].vi_line_width = vmode.v_bpscanline; 91443664Syokota /* XXX */ 915203455Sjkim vesa_vmode[modes].vi_buffer_size = 916203455Sjkim vesa_adp_info->v_memsize * 64 * 1024; 91748104Syokota#if 0 91843664Syokota if (vmode.v_offscreen > vmode.v_lfb) 919203455Sjkim vesa_vmode[modes].vi_buffer_size = vmode.v_offscreen + 920203455Sjkim vmode.v_offscreensize * 1024 - vmode.v_lfb; 92143664Syokota else 922203455Sjkim vesa_vmode[modes].vi_buffer_size = vmode.v_offscreen + 923203455Sjkim vmode.v_offscreensize * 1024; 92448104Syokota#endif 925203455Sjkim vesa_vmode[modes].vi_mem_model = 926203455Sjkim vesa_translate_mmodel(vmode.v_memmodel); 927203455Sjkim if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_PACKED || 928203455Sjkim vesa_vmode[modes].vi_mem_model == V_INFO_MM_DIRECT) 929203455Sjkim vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8; 930203455Sjkim#if 0 931203455Sjkim if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_DIRECT) { 932203455Sjkim if ((vmode.v_modeattr & V_MODELFB) != 0 && 933203455Sjkim vers >= 0x0300) { 934203455Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 935203455Sjkim vmode.v_linredfieldpos; 936203455Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 937203455Sjkim vmode.v_lingreenfieldpos; 938203455Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 939203455Sjkim vmode.v_linbluefieldpos; 940203455Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 941203455Sjkim vmode.v_linresfieldpos; 942203455Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 943203455Sjkim vmode.v_linredmasksize; 944203455Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 945203455Sjkim vmode.v_lingreenmasksize; 946203455Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 947203455Sjkim vmode.v_linbluemasksize; 948203455Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 949203455Sjkim vmode.v_linresmasksize; 950203455Sjkim } else { 951203455Sjkim vesa_vmode[modes].vi_pixel_fields[0] = 952203455Sjkim vmode.v_redfieldpos; 953203455Sjkim vesa_vmode[modes].vi_pixel_fields[1] = 954203455Sjkim vmode.v_greenfieldpos; 955203455Sjkim vesa_vmode[modes].vi_pixel_fields[2] = 956203455Sjkim vmode.v_bluefieldpos; 957203455Sjkim vesa_vmode[modes].vi_pixel_fields[3] = 958203455Sjkim vmode.v_resfieldpos; 959203455Sjkim vesa_vmode[modes].vi_pixel_fsizes[0] = 960203455Sjkim vmode.v_redmasksize; 961203455Sjkim vesa_vmode[modes].vi_pixel_fsizes[1] = 962203455Sjkim vmode.v_greenmasksize; 963203455Sjkim vesa_vmode[modes].vi_pixel_fsizes[2] = 964203455Sjkim vmode.v_bluemasksize; 965203455Sjkim vesa_vmode[modes].vi_pixel_fsizes[3] = 966203455Sjkim vmode.v_resmasksize; 967203455Sjkim } 96848104Syokota } 969203455Sjkim#endif 97048104Syokota 971203455Sjkim vesa_vmode[modes].vi_flags = 972203455Sjkim vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 973197496Sjkim 974197496Sjkim /* Does it have enough memory to support this mode? */ 975203453Sjkim bsize = (size_t)vesa_vmode[modes].vi_line_width * 976203453Sjkim vesa_vmode[modes].vi_height; 977197496Sjkim if (bsize > vesa_vmode[modes].vi_buffer_size) { 978197496Sjkim#if VESA_DEBUG > 1 979203455Sjkim printf("Rejecting VESA %s mode: %d x %d x %d bpp " 980203455Sjkim " attr = %x, not enough memory\n", 981203455Sjkim (vmode.v_modeattr & V_MODEGRAPHICS) != 0 ? 982203455Sjkim "graphics" : "text", 983203455Sjkim vmode.v_width, vmode.v_height, vmode.v_bpp, 984203455Sjkim vmode.v_modeattr); 985197496Sjkim#endif 986197496Sjkim continue; 987197496Sjkim } 988197496Sjkim 98939287Ssos ++modes; 99039287Ssos } 99139287Ssos vesa_vmode[modes].vi_mode = EOT; 992197383Sdelphij 99339287Ssos if (bootverbose) 99439287Ssos printf("VESA: %d mode(s) found\n", modes); 99539287Ssos 99639858Syokota has_vesa_bios = (modes > 0); 997142830Siedowse if (!has_vesa_bios) 998198251Sjkim goto fail; 999142830Siedowse 1000198251Sjkim x86bios_free(vmbuf, sizeof(buf)); 1001142830Siedowse return (0); 1002198251Sjkim 1003198251Sjkimfail: 1004198251Sjkim if (vmbuf != NULL) 1005198251Sjkim x86bios_free(vmbuf, sizeof(buf)); 1006198251Sjkim if (vesa_oemstr != NULL) { 1007198251Sjkim free(vesa_oemstr, M_DEVBUF); 1008198251Sjkim vesa_oemstr = NULL; 1009198251Sjkim } 1010198251Sjkim if (vesa_venderstr != NULL) { 1011198251Sjkim free(vesa_venderstr, M_DEVBUF); 1012198251Sjkim vesa_venderstr = NULL; 1013198251Sjkim } 1014198251Sjkim if (vesa_prodstr != NULL) { 1015198251Sjkim free(vesa_prodstr, M_DEVBUF); 1016198251Sjkim vesa_prodstr = NULL; 1017198251Sjkim } 1018198251Sjkim if (vesa_revstr != NULL) { 1019198251Sjkim free(vesa_revstr, M_DEVBUF); 1020198251Sjkim vesa_revstr = NULL; 1021198251Sjkim } 1022198251Sjkim return (1); 102339287Ssos} 102439287Ssos 102539287Ssosstatic void 102639591Syokotavesa_clear_modes(video_info_t *info, int color) 102739287Ssos{ 102839287Ssos while (info->vi_mode != EOT) { 102939287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 103039287Ssos info->vi_mode = NA; 103139287Ssos ++info; 103239287Ssos } 103339287Ssos} 103439287Ssos 103548104Syokotastatic vm_offset_t 103648104Syokotavesa_map_buffer(u_int paddr, size_t size) 103748104Syokota{ 103848104Syokota vm_offset_t vaddr; 103948104Syokota u_int off; 104048104Syokota 104148104Syokota off = paddr - trunc_page(paddr); 1042197323Sjkim vaddr = (vm_offset_t)pmap_mapdev_attr(paddr - off, size + off, 1043197323Sjkim PAT_WRITE_COMBINING); 104448104Syokota#if VESA_DEBUG > 1 1045197025Sdelphij printf("vesa_map_buffer: paddr:%x vaddr:%tx size:%zx off:%x\n", 104648104Syokota paddr, vaddr, size, off); 104748104Syokota#endif 104848104Syokota return (vaddr + off); 104948104Syokota} 105048104Syokota 105148104Syokotastatic void 105248104Syokotavesa_unmap_buffer(vm_offset_t vaddr, size_t size) 105348104Syokota{ 105448104Syokota#if VESA_DEBUG > 1 1055197025Sdelphij printf("vesa_unmap_buffer: vaddr:%tx size:%zx\n", vaddr, size); 105648104Syokota#endif 105748104Syokota kmem_free(kernel_map, vaddr, size); 105848104Syokota} 105948104Syokota 106042504Syokota/* entry points */ 106139287Ssos 106239287Ssosstatic int 106342504Syokotavesa_configure(int flags) 106439287Ssos{ 106542504Syokota video_adapter_t *adp; 106639287Ssos int adapters; 106742504Syokota int error; 106839287Ssos int i; 106939287Ssos 107042504Syokota if (vesa_init_done) 1071198251Sjkim return (0); 107242504Syokota if (flags & VIO_PROBE_ONLY) 1073198251Sjkim return (0); 107442504Syokota 107542504Syokota /* 107642504Syokota * If the VESA module has already been loaded, abort loading 107742504Syokota * the module this time. 107842504Syokota */ 107942504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 108042504Syokota if (adp->va_flags & V_ADP_VESA) 1081198251Sjkim return (ENXIO); 108242504Syokota if (adp->va_type == KD_VGA) 108342504Syokota break; 108439287Ssos } 1085198251Sjkim 108642504Syokota /* 108742504Syokota * The VGA adapter is not found. This is because either 108842504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 108942504Syokota * is not present. If 1) is the case, we shall defer 109042504Syokota * initialization for now and try again later. 109142504Syokota */ 109242504Syokota if (adp == NULL) { 109342504Syokota vga_sub_configure = vesa_configure; 1094198251Sjkim return (ENODEV); 109542504Syokota } 109642504Syokota 109742504Syokota /* count number of registered adapters */ 109842504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 109942504Syokota ; 110042504Syokota adapters = i; 110142504Syokota 110242504Syokota /* call VESA BIOS */ 110342504Syokota vesa_adp = adp; 110442504Syokota if (vesa_bios_init()) { 110542504Syokota vesa_adp = NULL; 1106198251Sjkim return (ENXIO); 110742504Syokota } 110842504Syokota vesa_adp->va_flags |= V_ADP_VESA; 110942504Syokota 111042504Syokota /* remove conflicting modes if we have more than one adapter */ 111142504Syokota if (adapters > 1) { 111242504Syokota vesa_clear_modes(vesa_vmode, 111342504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 111442504Syokota V_INFO_COLOR : 0); 111542504Syokota } 111642504Syokota 111742504Syokota if ((error = vesa_load_ioctl()) == 0) { 111842504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 111942504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 112042504Syokota vesa_init_done = TRUE; 112142504Syokota } else { 112242504Syokota vesa_adp = NULL; 1123198251Sjkim return (error); 112442504Syokota } 112542504Syokota 1126198251Sjkim return (0); 112739287Ssos} 112839287Ssos 112948399Speter#if 0 113042504Syokotastatic int 113142504Syokotavesa_nop(void) 113239287Ssos{ 1133198251Sjkim 1134198251Sjkim return (0); 113539287Ssos} 113648399Speter#endif 113739287Ssos 113839287Ssosstatic int 113948104Syokotavesa_error(void) 114048104Syokota{ 1141198251Sjkim 1142198251Sjkim return (1); 114348104Syokota} 114448104Syokota 114548104Syokotastatic int 114642504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 114739287Ssos{ 1148198251Sjkim 1149198251Sjkim return ((*prevvidsw->probe)(unit, adpp, arg, flags)); 115042504Syokota} 115142504Syokota 115242504Syokotastatic int 115342504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 115442504Syokota{ 1155198251Sjkim 1156198251Sjkim return ((*prevvidsw->init)(unit, adp, flags)); 115742504Syokota} 115842504Syokota 115942504Syokotastatic int 116042504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 116142504Syokota{ 116239287Ssos int i; 116339287Ssos 116442504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 1165198251Sjkim return (0); 116639287Ssos 116742504Syokota if (adp != vesa_adp) 1168198251Sjkim return (1); 116939591Syokota 117039591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 117139591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 117239287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 117339287Ssos if (vesa_vmode[i].vi_mode == NA) 117439287Ssos continue; 117539287Ssos if (vesa_vmode[i].vi_mode == mode) { 117639287Ssos *info = vesa_vmode[i]; 1177198251Sjkim return (0); 117839287Ssos } 117939287Ssos } 1180198251Sjkim return (1); 118139287Ssos} 118239287Ssos 118339287Ssosstatic int 118442504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 118539287Ssos{ 118639287Ssos int i; 118739287Ssos 118854258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 1189198251Sjkim return (0); 119042504Syokota if (adp != vesa_adp) 1191198251Sjkim return (ENODEV); 119239287Ssos 119339287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 119439287Ssos if ((info->vi_width != 0) 119539287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 119639287Ssos continue; 119739287Ssos if ((info->vi_height != 0) 119839287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 119939287Ssos continue; 120039287Ssos if ((info->vi_cwidth != 0) 120139287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 120239287Ssos continue; 120339287Ssos if ((info->vi_cheight != 0) 120439287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 120539287Ssos continue; 120639287Ssos if ((info->vi_depth != 0) 120739287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 120839287Ssos continue; 120939287Ssos if ((info->vi_planes != 0) 121039287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 121139287Ssos continue; 121239287Ssos /* pixel format, memory model */ 121339287Ssos if ((info->vi_flags != 0) 121439287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 121539287Ssos continue; 121654258Syokota *info = vesa_vmode[i]; 1217198251Sjkim return (0); 121839287Ssos } 1219198251Sjkim return (ENODEV); 122039287Ssos} 122139287Ssos 122239287Ssosstatic int 122342504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 122439287Ssos{ 122539287Ssos video_info_t info; 122639287Ssos 122742504Syokota if (adp != vesa_adp) 1228198251Sjkim return ((*prevvidsw->set_mode)(adp, mode)); 122939287Ssos 123048104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 123148104Syokota adp->va_flags & V_ADP_COLOR, mode); 123242504Syokota#if VESA_DEBUG > 0 123339287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 123448104Syokota adp->va_mode, adp->va_mode, mode, mode); 123539287Ssos#endif 123639287Ssos /* 123739287Ssos * If the current mode is a VESA mode and the new mode is not, 123848104Syokota * restore the state of the adapter first by setting one of the 123948104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 124048104Syokota * are set to the state compatible with the standard VGA modes. 124148104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 124248104Syokota * the new mode correctly. 124339287Ssos */ 124448104Syokota if (VESA_MODE(adp->va_mode)) { 1245198858Sjkim if (!VESA_MODE(mode) && 1246198858Sjkim (*prevvidsw->get_info)(adp, mode, &info) == 0) { 124748104Syokota int10_set_mode(adp->va_initial_bios_mode); 124848104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 124948104Syokota vesa_unmap_buffer(adp->va_buffer, 125048104Syokota vesa_adp_info->v_memsize*64*1024); 125148104Syokota /* 125248104Syokota * Once (*prevvidsw->get_info)() succeeded, 125348104Syokota * (*prevvidsw->set_mode)() below won't fail... 125448104Syokota */ 125539287Ssos } 125639287Ssos } 125739287Ssos 125839287Ssos /* we may not need to handle this mode after all... */ 1259198858Sjkim if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0) 1260198251Sjkim return (0); 126139287Ssos 126239287Ssos /* is the new mode supported? */ 126342504Syokota if (vesa_get_info(adp, mode, &info)) 1264198251Sjkim return (1); 126539287Ssos /* assert(VESA_MODE(mode)); */ 126639287Ssos 126742504Syokota#if VESA_DEBUG > 0 126839287Ssos printf("VESA: about to set a VESA mode...\n"); 126939287Ssos#endif 127048104Syokota /* don't use the linear frame buffer for text modes. XXX */ 127148104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 127248104Syokota info.vi_flags &= ~V_INFO_LINEAR; 127339287Ssos 127448104Syokota if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) 1275198251Sjkim return (1); 127639287Ssos 1277198858Sjkim if ((vesa_adp_info->v_flags & V_DAC8) != 0) 1278198858Sjkim vesa_bios_set_dac(8); 1279198858Sjkim 128048104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 128148104Syokota vesa_unmap_buffer(adp->va_buffer, 128248104Syokota vesa_adp_info->v_memsize*64*1024); 128348104Syokota 128442504Syokota#if VESA_DEBUG > 0 128539287Ssos printf("VESA: mode set!\n"); 128639287Ssos#endif 128739287Ssos vesa_adp->va_mode = mode; 128839287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 128939287Ssos vesa_adp->va_flags |= 129039287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 129139287Ssos vesa_adp->va_crtc_addr = 129242504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 129348104Syokota if (info.vi_flags & V_INFO_LINEAR) { 129448104Syokota#if VESA_DEBUG > 1 129548104Syokota printf("VESA: setting up LFB\n"); 129648104Syokota#endif 129748104Syokota vesa_adp->va_buffer = 129848104Syokota vesa_map_buffer(info.vi_buffer, 129948104Syokota vesa_adp_info->v_memsize*64*1024); 130048104Syokota vesa_adp->va_buffer_size = info.vi_buffer_size; 130148104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 1302196704Sdelphij vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes; 1303196704Sdelphij vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes; 130448104Syokota } else { 130539287Ssos vesa_adp->va_buffer = 0; 1306196704Sdelphij vesa_adp->va_buffer_size = info.vi_buffer_size; 1307203451Sjkim vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window); 1308196704Sdelphij vesa_adp->va_window_size = info.vi_window_size; 1309196704Sdelphij vesa_adp->va_window_gran = info.vi_window_gran; 131039287Ssos } 131148104Syokota vesa_adp->va_window_orig = 0; 1312203453Sjkim vesa_adp->va_line_width = info.vi_line_width; 131348104Syokota vesa_adp->va_disp_start.x = 0; 131448104Syokota vesa_adp->va_disp_start.y = 0; 131543664Syokota#if VESA_DEBUG > 0 1316197496Sjkim printf("vesa_set_mode(): vi_width:%d, line_width:%d\n", 1317197496Sjkim info.vi_width, vesa_adp->va_line_width); 131843664Syokota#endif 131943674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 132039287Ssos 132142504Syokota /* move hardware cursor out of the way */ 132243674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 132342504Syokota 1324198251Sjkim return (0); 132539287Ssos} 132639287Ssos 132739287Ssosstatic int 1328150686Smariusvesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1329150686Smarius u_char *data, int ch, int count) 133039287Ssos{ 1331198251Sjkim 1332198251Sjkim return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data, 1333198251Sjkim ch, count)); 133439287Ssos} 133539287Ssos 133639287Ssosstatic int 1337150686Smariusvesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, 1338150686Smarius u_char *data, int ch, int count) 133939287Ssos{ 1340198251Sjkim 1341198251Sjkim return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data, 1342198251Sjkim ch, count)); 134339287Ssos} 134439287Ssos 134539287Ssosstatic int 134642504Syokotavesa_show_font(video_adapter_t *adp, int page) 134739287Ssos{ 1348198251Sjkim 1349198251Sjkim return ((*prevvidsw->show_font)(adp, page)); 135039287Ssos} 135139287Ssos 135239287Ssosstatic int 135342504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 135439287Ssos{ 135542729Syokota int bits; 135639287Ssos 1357203078Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1358203078Sjkim bits = vesa_bios_get_dac(); 1359203078Sjkim if ((adp->va_info.vi_flags & V_INFO_NONVGA) != 0 || bits > 6) 1360203078Sjkim return (vesa_bios_save_palette(0, 256, palette, bits)); 1361203078Sjkim } 136242729Syokota 1363198251Sjkim return ((*prevvidsw->save_palette)(adp, palette)); 136439287Ssos} 136539287Ssos 136639287Ssosstatic int 136742504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 136839287Ssos{ 136942729Syokota int bits; 137039287Ssos 1371203078Sjkim if (adp == vesa_adp && VESA_MODE(adp->va_mode)) { 1372203078Sjkim bits = vesa_bios_get_dac(); 1373203078Sjkim if ((adp->va_info.vi_flags & V_INFO_NONVGA) != 0 || bits > 6) 1374203078Sjkim return (vesa_bios_load_palette(0, 256, palette, bits)); 1375203078Sjkim } 137642729Syokota 1377198251Sjkim return ((*prevvidsw->load_palette)(adp, palette)); 137839287Ssos} 137939287Ssos 138039287Ssosstatic int 138142504Syokotavesa_set_border(video_adapter_t *adp, int color) 138239287Ssos{ 1383198251Sjkim 1384198251Sjkim return ((*prevvidsw->set_border)(adp, color)); 138539287Ssos} 138639287Ssos 138739287Ssosstatic int 138842504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 138939287Ssos{ 1390198251Sjkim 139142504Syokota if (adp != vesa_adp) 1392198251Sjkim return ((*prevvidsw->save_state)(adp, p, size)); 139339287Ssos 1394198419Sjkim if (vesa_state_buf_size == -1) { 139539287Ssos vesa_state_buf_size = vesa_bios_state_buf_size(); 1396198419Sjkim if (vesa_state_buf_size == 0) 1397198419Sjkim return (1); 1398198419Sjkim } 139939287Ssos if (size == 0) 1400198419Sjkim return (offsetof(adp_state_t, regs) + vesa_state_buf_size); 1401198419Sjkim else if (size < (offsetof(adp_state_t, regs) + vesa_state_buf_size)) 1402198251Sjkim return (1); 140339287Ssos 140439287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 140539287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 1406198251Sjkim return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, 1407198251Sjkim vesa_state_buf_size)); 140839287Ssos} 140939287Ssos 141039287Ssosstatic int 141142504Syokotavesa_load_state(video_adapter_t *adp, void *p) 141239287Ssos{ 1413198251Sjkim 141442504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 1415198251Sjkim return ((*prevvidsw->load_state)(adp, p)); 141639287Ssos 1417198419Sjkim if (vesa_state_buf_size <= 0) 1418198419Sjkim return (1); 1419198419Sjkim 1420198964Sjkim /* Try BIOS POST to restore a sane state. */ 1421198964Sjkim (void)vesa_bios_post(); 1422198964Sjkim (void)int10_set_mode(adp->va_initial_bios_mode); 1423198419Sjkim 1424198964Sjkim return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, 1425198964Sjkim vesa_state_buf_size)); 142639287Ssos} 142739287Ssos 142848399Speter#if 0 142939287Ssosstatic int 143048104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 143148104Syokota{ 1432197383Sdelphij x86regs_t regs; 143348104Syokota 1434198251Sjkim x86bios_init_regs(®s); 1435198251Sjkim regs.R_AX = 0x4f05; 1436198251Sjkim regs.R_BL = 0x10; 1437197025Sdelphij 1438197466Sjkim x86bios_intr(®s, 0x10); 1439197383Sdelphij 1440198251Sjkim if (regs.R_AX != 0x004f) 1441198251Sjkim return (1); 1442197387Sdelphij *offset = regs.DX * adp->va_window_gran; 1443197025Sdelphij 1444198251Sjkim return (0); 144548104Syokota} 144648399Speter#endif 144748104Syokota 144848104Syokotastatic int 144942504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 145039287Ssos{ 1451197383Sdelphij x86regs_t regs; 1452197383Sdelphij 145339287Ssos /* 145439287Ssos * This function should return as quickly as possible to 145539287Ssos * maintain good performance of the system. For this reason, 145639287Ssos * error checking is kept minimal and let the VESA BIOS to 145739287Ssos * detect error. 145839287Ssos */ 145942504Syokota if (adp != vesa_adp) 1460198251Sjkim return ((*prevvidsw->set_win_org)(adp, offset)); 146139287Ssos 146248104Syokota /* if this is a linear frame buffer, do nothing */ 146348104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 1464198251Sjkim return (0); 146548104Syokota /* XXX */ 146648104Syokota if (adp->va_window_gran == 0) 1467198251Sjkim return (1); 146848104Syokota 1469198251Sjkim x86bios_init_regs(®s); 1470198251Sjkim regs.R_AX = 0x4f05; 1471198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1472198251Sjkim 1473197466Sjkim x86bios_intr(®s, 0x10); 1474197025Sdelphij 1475198251Sjkim if (regs.R_AX != 0x004f) 1476198251Sjkim return (1); 1477197025Sdelphij 1478198251Sjkim x86bios_init_regs(®s); 1479198251Sjkim regs.R_AX = 0x4f05; 1480198251Sjkim regs.R_BL = 1; 1481198251Sjkim regs.R_DX = offset / adp->va_window_gran; 1482197466Sjkim x86bios_intr(®s, 0x10); 1483197025Sdelphij 148448104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 1485198251Sjkim return (0); /* XXX */ 148639287Ssos} 148739287Ssos 148839287Ssosstatic int 148942504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 149039287Ssos{ 1491198251Sjkim 1492198251Sjkim return ((*prevvidsw->read_hw_cursor)(adp, col, row)); 149339287Ssos} 149439287Ssos 149539287Ssosstatic int 149642504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 149739287Ssos{ 1498198251Sjkim 1499198251Sjkim return ((*prevvidsw->set_hw_cursor)(adp, col, row)); 150039287Ssos} 150139287Ssos 150239287Ssosstatic int 150342504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 150442504Syokota int celsize, int blink) 150539287Ssos{ 1506198251Sjkim 1507198251Sjkim return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 1508198251Sjkim blink)); 150942504Syokota} 151042504Syokota 151142504Syokotastatic int 151248104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 151342504Syokota{ 1514198251Sjkim 151548104Syokota /* XXX: use VESA DPMS */ 1516198251Sjkim return ((*prevvidsw->blank_display)(adp, mode)); 151742504Syokota} 151842504Syokota 151942504Syokotastatic int 1520201223Srnolandvesa_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 1521201223Srnoland int prot, vm_memattr_t *memattr) 152242504Syokota{ 1523198251Sjkim 152448104Syokota#if VESA_DEBUG > 0 1525201223Srnoland printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%jx\n", 152648104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 152742504Syokota#endif 152839287Ssos 1529198251Sjkim if ((adp == vesa_adp) && 1530198251Sjkim (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) { 153148104Syokota /* va_window_size == va_buffer_size/vi_planes */ 153248104Syokota /* XXX: is this correct? */ 153348104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 1534198251Sjkim return (-1); 1535111462Smux *paddr = adp->va_info.vi_buffer + offset; 1536198251Sjkim return (0); 153748104Syokota } 1538201223Srnoland return ((*prevvidsw->mmap)(adp, offset, paddr, prot, memattr)); 153948104Syokota} 154048104Syokota 154148104Syokotastatic int 154248104Syokotavesa_clear(video_adapter_t *adp) 154348104Syokota{ 1544198251Sjkim 1545198251Sjkim return ((*prevvidsw->clear)(adp)); 154648104Syokota} 154748104Syokota 154848104Syokotastatic int 154948104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 155048104Syokota{ 1551198251Sjkim 1552198251Sjkim return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy)); 155348104Syokota} 155448104Syokota 155548104Syokotastatic int 155648104Syokotavesa_bitblt(video_adapter_t *adp,...) 155748104Syokota{ 1558198251Sjkim 155948104Syokota /* FIXME */ 1560198251Sjkim return (1); 156148104Syokota} 156248104Syokota 156348104Syokotastatic int 156448104Syokotaget_palette(video_adapter_t *adp, int base, int count, 156548104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 156648104Syokota{ 156748104Syokota u_char *r; 156848104Syokota u_char *g; 156948104Syokota u_char *b; 157048104Syokota int bits; 157148104Syokota int error; 157248104Syokota 1573203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1574198251Sjkim return (1); 1575101557Srwatson if ((base + count) > 256) 1576198251Sjkim return (1); 1577203078Sjkim if (!VESA_MODE(adp->va_mode)) 1578198251Sjkim return (1); 1579203078Sjkim bits = vesa_bios_get_dac(); 1580203078Sjkim if ((adp->va_info.vi_flags & V_INFO_NONVGA) == 0 && bits <= 6) 1581203078Sjkim return (1); 158248104Syokota 1583198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 158448104Syokota g = r + count; 158548104Syokota b = g + count; 158648104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 158748104Syokota if (error == 0) { 158848104Syokota copyout(r, red, count); 158948104Syokota copyout(g, green, count); 159048104Syokota copyout(b, blue, count); 159148104Syokota if (trans != NULL) { 159248104Syokota bzero(r, count); 159348104Syokota copyout(r, trans, count); 159448104Syokota } 159548104Syokota } 159648104Syokota free(r, M_DEVBUF); 159748104Syokota 1598198251Sjkim return (error); 159948104Syokota} 160048104Syokota 160148104Syokotastatic int 160248104Syokotaset_palette(video_adapter_t *adp, int base, int count, 160348104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 160448104Syokota{ 160548104Syokota u_char *r; 160648104Syokota u_char *g; 160748104Syokota u_char *b; 160848104Syokota int bits; 160948104Syokota int error; 161048104Syokota 1611203078Sjkim if (base < 0 || base >= 256 || count < 0 || count > 256) 1612198251Sjkim return (1); 1613203078Sjkim if ((base + count) > 256) 1614198251Sjkim return (1); 1615203078Sjkim if (!VESA_MODE(adp->va_mode)) 1616203078Sjkim return (1); 1617203078Sjkim bits = vesa_bios_get_dac(); 1618203078Sjkim if ((adp->va_info.vi_flags & V_INFO_NONVGA) == 0 && bits <= 6) 1619203078Sjkim return (1); 162048104Syokota 1621198858Sjkim r = malloc(count * 3, M_DEVBUF, M_WAITOK); 162248104Syokota g = r + count; 162348104Syokota b = g + count; 162448104Syokota copyin(red, r, count); 162548104Syokota copyin(green, g, count); 162648104Syokota copyin(blue, b, count); 162748104Syokota 162848104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 162948104Syokota free(r, M_DEVBUF); 163048104Syokota 1631198858Sjkim return (error); 163248104Syokota} 163348104Syokota 163448104Syokotastatic int 163548104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 163648104Syokota{ 163750446Syokota int bytes; 163850446Syokota 163942504Syokota if (adp != vesa_adp) 1640198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 164148104Syokota 164248104Syokota switch (cmd) { 164348104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 164450792Syokota if (!VESA_MODE(adp->va_mode)) 164550792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 164648104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 164748104Syokota 164848104Syokota case FBIO_SETDISPSTART: /* set display start address */ 164950792Syokota if (!VESA_MODE(adp->va_mode)) 1650198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 165148104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 165248104Syokota ((video_display_start_t *)arg)->y)) 1653198251Sjkim return (ENODEV); 165448104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 165548104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 1656198251Sjkim return (0); 165748104Syokota 165848104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 165950792Syokota if (!VESA_MODE(adp->va_mode)) 1660198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 166150446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 1662198251Sjkim return (ENODEV); 166350446Syokota adp->va_line_width = bytes; 166450446Syokota#if VESA_DEBUG > 1 166550446Syokota printf("new line width:%d\n", adp->va_line_width); 166650446Syokota#endif 1667198251Sjkim return (0); 166848104Syokota 166948104Syokota case FBIO_GETPALETTE: /* get color palette */ 167048104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 167148104Syokota ((video_color_palette_t *)arg)->count, 167248104Syokota ((video_color_palette_t *)arg)->red, 167348104Syokota ((video_color_palette_t *)arg)->green, 167448104Syokota ((video_color_palette_t *)arg)->blue, 167548104Syokota ((video_color_palette_t *)arg)->transparent)) 1676198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1677198251Sjkim return (0); 167848104Syokota 167948104Syokota 168048104Syokota case FBIO_SETPALETTE: /* set color palette */ 168148104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 168248104Syokota ((video_color_palette_t *)arg)->count, 168348104Syokota ((video_color_palette_t *)arg)->red, 168448104Syokota ((video_color_palette_t *)arg)->green, 168548104Syokota ((video_color_palette_t *)arg)->blue, 168648104Syokota ((video_color_palette_t *)arg)->transparent)) 1687198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1688198251Sjkim return (0); 168948104Syokota 169048104Syokota case FBIOGETCMAP: /* get color palette */ 169148104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 169248104Syokota ((struct fbcmap *)arg)->count, 169348104Syokota ((struct fbcmap *)arg)->red, 169448104Syokota ((struct fbcmap *)arg)->green, 169548104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1696198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1697198251Sjkim return (0); 169848104Syokota 169948104Syokota case FBIOPUTCMAP: /* set color palette */ 170048104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 170148104Syokota ((struct fbcmap *)arg)->count, 170248104Syokota ((struct fbcmap *)arg)->red, 170348104Syokota ((struct fbcmap *)arg)->green, 170448104Syokota ((struct fbcmap *)arg)->blue, NULL)) 1705198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 1706198251Sjkim return (0); 170748104Syokota 170848104Syokota default: 1709198251Sjkim return ((*prevvidsw->ioctl)(adp, cmd, arg)); 171048104Syokota } 171148104Syokota} 171248104Syokota 171348104Syokotastatic int 171448104Syokotavesa_diag(video_adapter_t *adp, int level) 171548104Syokota{ 171648104Syokota int error; 171748104Syokota 171848104Syokota /* call the previous handler first */ 171948104Syokota error = (*prevvidsw->diag)(adp, level); 172048104Syokota if (error) 1721198251Sjkim return (error); 172248104Syokota 172348104Syokota if (adp != vesa_adp) 1724198251Sjkim return (1); 172542504Syokota 172648104Syokota if (level <= 0) 1727198251Sjkim return (0); 172848104Syokota 1729198251Sjkim return (0); 173048104Syokota} 173148104Syokota 173248104Syokotastatic int 173348104Syokotavesa_bios_info(int level) 173448104Syokota{ 173548104Syokota#if VESA_DEBUG > 1 173648104Syokota struct vesa_mode vmode; 173748104Syokota int i; 173839591Syokota#endif 1739198251Sjkim uint16_t vers; 174039591Syokota 1741198251Sjkim vers = vesa_adp_info->v_version; 1742198251Sjkim 1743131398Sjhb if (bootverbose) { 1744131398Sjhb /* general adapter information */ 1745131398Sjhb printf( 1746131398Sjhb "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 1747198251Sjkim (vers >> 12) * 10 + ((vers & 0x0f00) >> 8), 1748198251Sjkim ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f), 1749131398Sjhb vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 1750131398Sjhb vesa_vmodetab, vesa_adp_info->v_modetable); 175139287Ssos 1752131398Sjhb /* OEM string */ 1753131398Sjhb if (vesa_oemstr != NULL) 1754131398Sjhb printf("VESA: %s\n", vesa_oemstr); 1755131398Sjhb } 1756131398Sjhb 175739287Ssos if (level <= 0) 1758198251Sjkim return (0); 175939287Ssos 1760198251Sjkim if (vers >= 0x0200 && bootverbose) { 176148104Syokota /* vender name, product name, product revision */ 176248104Syokota printf("VESA: %s %s %s\n", 176348104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 176448104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 176548104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 176639287Ssos } 176739287Ssos 176842504Syokota#if VESA_DEBUG > 1 176939287Ssos /* mode information */ 177039858Syokota for (i = 0; 177139858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 177239858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 177339287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 177439287Ssos continue; 177539287Ssos 177639287Ssos /* print something for diagnostic purpose */ 177739287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 177839287Ssos vesa_vmodetab[i], vmode.v_modeattr); 177939287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 178039287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 178139287Ssos printf(", G %dx%dx%d %d, ", 178239287Ssos vmode.v_width, vmode.v_height, 178339287Ssos vmode.v_bpp, vmode.v_planes); 178439287Ssos } else { 178539287Ssos printf(", T %dx%d, ", 178639287Ssos vmode.v_width, vmode.v_height); 178739287Ssos } 178848104Syokota printf("font:%dx%d, ", 178939287Ssos vmode.v_cwidth, vmode.v_cheight); 179048104Syokota printf("pages:%d, mem:%d", 179148104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 179239287Ssos } 179339287Ssos if (vmode.v_modeattr & V_MODELFB) { 179448104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 179548104Syokota vmode.v_lfb, vmode.v_offscreen, 179648104Syokota vmode.v_offscreensize*1024); 179739287Ssos } 179839287Ssos printf("\n"); 179939287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 180039287Ssos vmode.v_waseg, vmode.v_waattr, 180139287Ssos vmode.v_wbseg, vmode.v_wbattr); 180239287Ssos printf("size:%dk, gran:%dk\n", 180339287Ssos vmode.v_wsize, vmode.v_wgran); 180439287Ssos } 180548104Syokota#endif /* VESA_DEBUG > 1 */ 180639287Ssos 1807198251Sjkim return (0); 180839287Ssos} 180939287Ssos 181039287Ssos/* module loading */ 181139287Ssos 181242504Syokotastatic int 181339287Ssosvesa_load(void) 181439287Ssos{ 181539287Ssos int error; 181639287Ssos int s; 181739287Ssos 181839287Ssos if (vesa_init_done) 1819198251Sjkim return (0); 182039287Ssos 182142504Syokota /* locate a VGA adapter */ 182242504Syokota s = spltty(); 182339287Ssos vesa_adp = NULL; 182442504Syokota error = vesa_configure(0); 182542504Syokota splx(s); 182639287Ssos 182739287Ssos if (error == 0) 182848104Syokota vesa_bios_info(bootverbose); 182939287Ssos 1830198251Sjkim return (error); 183139287Ssos} 183239287Ssos 183339287Ssosstatic int 183442179Syokotavesa_unload(void) 183539287Ssos{ 183645117Syokota u_char palette[256*3]; 183739287Ssos int error; 183845117Syokota int bits; 183939287Ssos int s; 184039287Ssos 184139287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 184239287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 1843198251Sjkim return (EBUSY); 184439287Ssos /* 184539287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 184639287Ssos * we shouldn't be unloading! XXX 184739287Ssos */ 184839287Ssos 184939287Ssos s = spltty(); 185039287Ssos if ((error = vesa_unload_ioctl()) == 0) { 185144162Syokota if (vesa_adp != NULL) { 185245117Syokota if (vesa_adp_info->v_flags & V_DAC8) { 185345117Syokota bits = vesa_bios_get_dac(); 185445117Syokota if (bits > 6) { 185545117Syokota vesa_bios_save_palette(0, 256, 185645117Syokota palette, bits); 185745117Syokota vesa_bios_set_dac(6); 185845117Syokota vesa_bios_load_palette(0, 256, 185945117Syokota palette, 6); 186045117Syokota } 186145117Syokota } 186239287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 186344162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 186444162Syokota } 186539287Ssos } 186639287Ssos splx(s); 186739287Ssos 1868198251Sjkim if (vesa_oemstr != NULL) 1869198251Sjkim free(vesa_oemstr, M_DEVBUF); 1870198251Sjkim if (vesa_venderstr != NULL) 1871198251Sjkim free(vesa_venderstr, M_DEVBUF); 1872198251Sjkim if (vesa_prodstr != NULL) 1873198251Sjkim free(vesa_prodstr, M_DEVBUF); 1874198251Sjkim if (vesa_revstr != NULL) 1875198251Sjkim free(vesa_revstr, M_DEVBUF); 1876198251Sjkim if (vesa_vmode != &vesa_vmode_empty) 1877198251Sjkim free(vesa_vmode, M_DEVBUF); 1878198251Sjkim return (error); 187939287Ssos} 188039287Ssos 188142179Syokotastatic int 188242179Syokotavesa_mod_event(module_t mod, int type, void *data) 188339287Ssos{ 1884198251Sjkim 188542179Syokota switch (type) { 188642179Syokota case MOD_LOAD: 1887198251Sjkim return (vesa_load()); 188842179Syokota case MOD_UNLOAD: 1889198251Sjkim return (vesa_unload()); 189042179Syokota } 1891198251Sjkim return (EOPNOTSUPP); 189239287Ssos} 189339287Ssos 189442179Syokotastatic moduledata_t vesa_mod = { 189542179Syokota "vesa", 189642179Syokota vesa_mod_event, 189742179Syokota NULL, 189842179Syokota}; 189939287Ssos 190042504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1901197383SdelphijMODULE_DEPEND(vesa, x86bios, 1, 1, 1); 190242179Syokota 190356836Speter#endif /* VGA_NO_MODE_CHANGE */ 1904