1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 /*      Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
  28 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T       */
  29 /*        All Rights Reserved   */
  30 
  31 #include <sys/errno.h>
  32 #include <sys/types.h>
  33 #include <sys/conf.h>
  34 #include <sys/kmem.h>
  35 #include <sys/visual_io.h>
  36 #include <sys/font.h>
  37 #include <sys/fbio.h>
  38 #include <sys/ddi.h>
  39 #include <sys/stat.h>
  40 #include <sys/sunddi.h>
  41 #include <sys/open.h>
  42 #include <sys/modctl.h>
  43 #include <sys/pci.h>
  44 #include <sys/kd.h>
  45 #include <sys/ddi_impldefs.h>
  46 #include <sys/gfx_private.h>
  47 #include "gfxp_fb.h"
  48 
  49 #define MYNAME  "gfxp_vgatext"
  50 
  51 #define VGA_BRIGHT_WHITE        0x0f
  52 #define VGA_BLACK               0x00
  53 
  54 #define VGA_REG_ADDR            0x3c0
  55 #define VGA_REG_SIZE            0x20
  56 
  57 #define VGA_MEM_ADDR            0xa0000
  58 #define VGA_MEM_SIZE            0x20000
  59 
  60 #define VGA_MMAP_FB_BASE        VGA_MEM_ADDR
  61 
  62 typedef enum pc_colors {
  63         pc_black        = 0,
  64         pc_blue         = 1,
  65         pc_green        = 2,
  66         pc_cyan         = 3,
  67         pc_red          = 4,
  68         pc_magenta      = 5,
  69         pc_brown        = 6,
  70         pc_white        = 7,
  71         pc_grey         = 8,
  72         pc_brt_blue     = 9,
  73         pc_brt_green    = 10,
  74         pc_brt_cyan     = 11,
  75         pc_brt_red      = 12,
  76         pc_brt_magenta  = 13,
  77         pc_yellow       = 14,
  78         pc_brt_white    = 15
  79 } pc_colors_t;
  80 
  81 static const unsigned char solaris_color_to_pc_color[16] = {
  82         pc_brt_white,           /*  0 - brt_white       */
  83         pc_black,               /*  1 - black           */
  84         pc_blue,                /*  2 - blue            */
  85         pc_green,               /*  3 - green           */
  86         pc_cyan,                /*  4 - cyan            */
  87         pc_red,                 /*  5 - red             */
  88         pc_magenta,             /*  6 - magenta         */
  89         pc_brown,               /*  7 - brown           */
  90         pc_white,               /*  8 - white           */
  91         pc_grey,                /*  9 - gery            */
  92         pc_brt_blue,            /* 10 - brt_blue        */
  93         pc_brt_green,           /* 11 - brt_green       */
  94         pc_brt_cyan,            /* 12 - brt_cyan        */
  95         pc_brt_red,             /* 13 - brt_red         */
  96         pc_brt_magenta,         /* 14 - brt_magenta     */
  97         pc_yellow               /* 15 - yellow          */
  98 };
  99 
 100 static ddi_device_acc_attr_t dev_attr = {
 101         DDI_DEVICE_ATTR_V0,
 102         DDI_NEVERSWAP_ACC,
 103         DDI_STRICTORDER_ACC,
 104 };
 105 
 106 /* default structure for FBIOGATTR ioctl */
 107 static struct fbgattr vgatext_attr =  {
 108 /*      real_type       owner */
 109         FBTYPE_SUNFAST_COLOR, 0,
 110 /* fbtype: type         h  w  depth cms  size */
 111         { FBTYPE_SUNFAST_COLOR, TEXT_ROWS, TEXT_COLS, 1,    256,  0 },
 112 /* fbsattr: flags emu_type      dev_specific */
 113         { 0, FBTYPE_SUN4COLOR, { 0 } },
 114 /*      emu_types */
 115         { -1 }
 116 };
 117 
 118 static struct vis_identifier gfxp_vgatext_ident = { "illumos_text" };
 119 
 120 int gfxp_vga_detach(dev_info_t *, ddi_detach_cmd_t, struct gfxp_fb_softc *);
 121 static int vgatext_devinit(struct gfxp_fb_softc *, struct vis_devinit *data);
 122 static void     vgatext_cons_copy(struct gfxp_fb_softc *,
 123                         struct vis_conscopy *);
 124 static void     vgatext_cons_display(struct gfxp_fb_softc *,
 125                         struct vis_consdisplay *);
 126 static int      vgatext_cons_clear(struct gfxp_fb_softc *,
 127                         struct vis_consclear *);
 128 static void     vgatext_cons_cursor(struct gfxp_fb_softc *,
 129                         struct vis_conscursor *);
 130 static void     vgatext_polled_copy(struct vis_polledio_arg *,
 131                         struct vis_conscopy *);
 132 static void     vgatext_polled_display(struct vis_polledio_arg *,
 133                         struct vis_consdisplay *);
 134 static void     vgatext_polled_cursor(struct vis_polledio_arg *,
 135                         struct vis_conscursor *);
 136 static void     vgatext_init(struct gfxp_fb_softc *);
 137 static void     vgatext_set_text(struct gfxp_fb_softc *);
 138 
 139 static void     vgatext_get_text(struct gfxp_fb_softc *softc);
 140 static void     vgatext_save_text(struct gfxp_fb_softc *softc);
 141 static void     vgatext_kdsettext(struct gfxp_fb_softc *softc);
 142 static int      vgatext_suspend(struct gfxp_fb_softc *softc);
 143 static void     vgatext_resume(struct gfxp_fb_softc *softc);
 144 static int      vgatext_devmap(dev_t, devmap_cookie_t, offset_t, size_t,
 145     size_t *, uint_t, void *);
 146 
 147 #if     defined(USE_BORDERS)
 148 static void     vgatext_init_graphics(struct gfxp_fb_softc *);
 149 #endif
 150 
 151 static int vgatext_kdsetmode(struct gfxp_fb_softc *softc, int mode);
 152 static void vgatext_setfont(struct gfxp_fb_softc *softc);
 153 static void vgatext_get_cursor(struct gfxp_fb_softc *softc,
 154     screen_pos_t *row, screen_pos_t *col);
 155 static void vgatext_set_cursor(struct gfxp_fb_softc *softc, int row, int col);
 156 static void vgatext_hide_cursor(struct gfxp_fb_softc *softc);
 157 static void vgatext_save_colormap(struct gfxp_fb_softc *softc);
 158 static void vgatext_restore_colormap(struct gfxp_fb_softc *softc);
 159 static int vgatext_get_pci_reg_index(dev_info_t *const devi,
 160     unsigned long himask, unsigned long hival, unsigned long addr,
 161                 off_t *offset);
 162 static int vgatext_get_isa_reg_index(dev_info_t *const devi,
 163                 unsigned long hival, unsigned long addr, off_t *offset);
 164 
 165 static struct gfxp_ops gfxp_vgatext_ops = {
 166         .ident = &gfxp_vgatext_ident,
 167         .kdsetmode = vgatext_kdsetmode,
 168         .devinit = vgatext_devinit,
 169         .cons_copy = vgatext_cons_copy,
 170         .cons_display = vgatext_cons_display,
 171         .cons_cursor = vgatext_cons_cursor,
 172         .cons_clear = vgatext_cons_clear,
 173         .suspend = vgatext_suspend,
 174         .resume = vgatext_resume,
 175         .devmap = vgatext_devmap
 176 };
 177 
 178 #define STREQ(a, b)     (strcmp((a), (b)) == 0)
 179 
 180 /*ARGSUSED*/
 181 int
 182 gfxp_vga_attach(dev_info_t *devi, ddi_attach_cmd_t cmd,
 183     struct gfxp_fb_softc *softc)
 184 {
 185         int     unit = ddi_get_instance(devi);
 186         int     error;
 187         char    *parent_type = NULL;
 188         int     reg_rnumber;
 189         off_t   reg_offset;
 190         off_t   mem_offset;
 191         char    *cons;
 192         struct gfx_vga *vga;
 193 
 194 
 195         softc->polledio.display = vgatext_polled_display;
 196         softc->polledio.copy = vgatext_polled_copy;
 197         softc->polledio.cursor = vgatext_polled_cursor;
 198         softc->gfxp_ops = &gfxp_vgatext_ops;
 199         softc->fbgattr = &vgatext_attr;
 200         vga = kmem_zalloc(sizeof (*vga), KM_SLEEP);
 201         softc->console = (union gfx_console *)vga;
 202 
 203         error = ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_get_parent(devi),
 204             DDI_PROP_DONTPASS, "device_type", &parent_type);
 205         if (error != DDI_SUCCESS) {
 206                 cmn_err(CE_WARN, MYNAME ": can't determine parent type.");
 207                 goto fail;
 208         }
 209 
 210         /* Not enable AGP and DRM by default */
 211         if (STREQ(parent_type, "isa") || STREQ(parent_type, "eisa")) {
 212                 reg_rnumber = vgatext_get_isa_reg_index(devi, 1, VGA_REG_ADDR,
 213                     ®_offset);
 214                 if (reg_rnumber < 0) {
 215                         cmn_err(CE_WARN,
 216                             MYNAME
 217                             ": can't find reg entry for registers");
 218                         error = DDI_FAILURE;
 219                         goto fail;
 220                 }
 221                 vga->fb_regno = vgatext_get_isa_reg_index(devi, 0,
 222                     VGA_MEM_ADDR, &mem_offset);
 223                 if (vga->fb_regno < 0) {
 224                         cmn_err(CE_WARN,
 225                             MYNAME ": can't find reg entry for memory");
 226                         error = DDI_FAILURE;
 227                         goto fail;
 228                 }
 229         } else if (STREQ(parent_type, "pci") || STREQ(parent_type, "pciex")) {
 230                 reg_rnumber = vgatext_get_pci_reg_index(devi,
 231                     PCI_REG_ADDR_M|PCI_REG_REL_M,
 232                     PCI_ADDR_IO|PCI_RELOCAT_B, VGA_REG_ADDR,
 233                     ®_offset);
 234                 if (reg_rnumber < 0) {
 235                         cmn_err(CE_WARN,
 236                             MYNAME ": can't find reg entry for registers");
 237                         error = DDI_FAILURE;
 238                         goto fail;
 239                 }
 240                 vga->fb_regno = vgatext_get_pci_reg_index(devi,
 241                     PCI_REG_ADDR_M|PCI_REG_REL_M,
 242                     PCI_ADDR_MEM32|PCI_RELOCAT_B, VGA_MEM_ADDR,
 243                     &mem_offset);
 244                 if (vga->fb_regno < 0) {
 245                         cmn_err(CE_WARN,
 246                             MYNAME ": can't find reg entry for memory");
 247                         error = DDI_FAILURE;
 248                         goto fail;
 249                 }
 250         } else {
 251                 cmn_err(CE_WARN, MYNAME ": unknown parent type \"%s\".",
 252                     parent_type);
 253                 error = DDI_FAILURE;
 254                 goto fail;
 255         }
 256         ddi_prop_free(parent_type);
 257         parent_type = NULL;
 258 
 259         error = ddi_regs_map_setup(devi, reg_rnumber,
 260             (caddr_t *)&vga->regs.addr, reg_offset, VGA_REG_SIZE,
 261             &dev_attr, &vga->regs.handle);
 262         if (error != DDI_SUCCESS)
 263                 goto fail;
 264         vga->regs.mapped = B_TRUE;
 265 
 266         vga->fb_size = VGA_MEM_SIZE;
 267 
 268         error = ddi_regs_map_setup(devi, vga->fb_regno,
 269             (caddr_t *)&vga->fb.addr, mem_offset, vga->fb_size, &dev_attr,
 270             &vga->fb.handle);
 271         if (error != DDI_SUCCESS)
 272                 goto fail;
 273         vga->fb.mapped = B_TRUE;
 274 
 275         if (ddi_get8(vga->regs.handle,
 276             vga->regs.addr + VGA_MISC_R) & VGA_MISC_IOA_SEL)
 277                 vga->text_base = (caddr_t)vga->fb.addr + VGA_COLOR_BASE;
 278         else
 279                 vga->text_base = (caddr_t)vga->fb.addr + VGA_MONO_BASE;
 280 
 281         if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(),
 282             DDI_PROP_DONTPASS, "console", &cons) == DDI_SUCCESS) {
 283                 if (strcmp(cons, "graphics") == 0) {
 284                         softc->happyface_boot = 1;
 285                         softc->silent = 1;
 286                         vga->current_base = vga->shadow;
 287                 } else {
 288                         vga->current_base = vga->text_base;
 289                 }
 290                 ddi_prop_free(cons);
 291         } else {
 292                 vga->current_base = vga->text_base;
 293         }
 294 
 295         /* Set cursor info. */
 296         vga->cursor.visible = fb_info.cursor.visible;
 297         vga->cursor.row = fb_info.cursor.pos.y;
 298         vga->cursor.col = fb_info.cursor.pos.x;
 299 
 300         error = ddi_prop_create(makedevice(DDI_MAJOR_T_UNKNOWN, unit),
 301             devi, DDI_PROP_CANSLEEP, DDI_KERNEL_IOCTL, NULL, 0);
 302         if (error != DDI_SUCCESS)
 303                 goto fail;
 304 
 305         /* only do this if not in graphics mode */
 306         if ((softc->silent == 0) && (GFXP_IS_CONSOLE(softc))) {
 307                 vgatext_init(softc);
 308                 vgatext_save_colormap(softc);
 309         }
 310 
 311         return (DDI_SUCCESS);
 312 
 313 fail:
 314         kmem_free(vga, sizeof (*vga));
 315         if (parent_type != NULL)
 316                 ddi_prop_free(parent_type);
 317         return (error);
 318 }
 319 
 320 /*ARGSUSED*/
 321 int
 322 gfxp_vga_detach(dev_info_t *devi, ddi_detach_cmd_t cmd,
 323     struct gfxp_fb_softc *softc)
 324 {
 325         if (softc->console->vga.fb.mapped)
 326                 ddi_regs_map_free(&softc->console->vga.fb.handle);
 327         if (softc->console->vga.regs.mapped)
 328                 ddi_regs_map_free(&softc->console->vga.regs.handle);
 329         kmem_free(softc->console, sizeof (struct gfx_vga));
 330         return (DDI_SUCCESS);
 331 }
 332 
 333 /*
 334  * vgatext_save_text
 335  * vgatext_suspend
 336  * vgatext_resume
 337  *
 338  *      Routines to save and restore contents of the VGA text area
 339  * Mostly, this is to support Suspend/Resume operation for graphics
 340  * device drivers.  Here in the VGAtext common code, we simply squirrel
 341  * away the contents of the hardware's text area during Suspend and then
 342  * put it back during Resume
 343  */
 344 static void
 345 vgatext_save_text(struct gfxp_fb_softc *softc)
 346 {
 347         union gfx_console *console = softc->console;
 348         unsigned i;
 349 
 350         for (i = 0; i < sizeof (console->vga.shadow); i++)
 351                 console->vga.shadow[i] = console->vga.current_base[i];
 352 }
 353 
 354 static int
 355 vgatext_suspend(struct gfxp_fb_softc *softc)
 356 {
 357         switch (softc->mode) {
 358         case KD_TEXT:
 359                 vgatext_save_text(softc);
 360                 break;
 361 
 362         case KD_GRAPHICS:
 363                 break;
 364 
 365         default:
 366                 cmn_err(CE_WARN, MYNAME ": unknown mode in vgatext_suspend.");
 367                 return (DDI_FAILURE);
 368         }
 369         return (DDI_SUCCESS);
 370 }
 371 
 372 static void
 373 vgatext_resume(struct gfxp_fb_softc *softc)
 374 {
 375 
 376         switch (softc->mode) {
 377         case KD_TEXT:
 378                 vgatext_kdsettext(softc);
 379                 break;
 380 
 381         case KD_GRAPHICS:
 382 
 383                 /*
 384                  * Upon RESUME, the graphics device will always actually
 385                  * be in TEXT mode even though the Xorg server did not
 386                  * make that mode change itself (the suspend code did).
 387                  * We want first, therefore, to restore textmode
 388                  * operation fully, and then the Xorg server will
 389                  * do the rest to restore the device to its
 390                  * (hi resolution) graphics mode
 391                  */
 392                 vgatext_kdsettext(softc);
 393 #if     defined(USE_BORDERS)
 394                 vgatext_init_graphics(softc);
 395 #endif
 396                 break;
 397         default:
 398                 cmn_err(CE_WARN, MYNAME ": unknown mode in vgatext_resume.");
 399                 break;
 400         }
 401 }
 402 
 403 static void
 404 vgatext_progressbar_stop(struct gfxp_fb_softc *softc)
 405 {
 406         extern void progressbar_stop(void);
 407 
 408         if (softc->silent == 1) {
 409                 softc->silent = 0;
 410                 progressbar_stop();
 411         }
 412 }
 413 
 414 static void
 415 vgatext_kdsettext(struct gfxp_fb_softc *softc)
 416 {
 417         union gfx_console *console = softc->console;
 418         int i;
 419 
 420         vgatext_init(softc);
 421         for (i = 0; i < sizeof (console->vga.shadow); i++) {
 422                 console->vga.text_base[i] = console->vga.shadow[i];
 423         }
 424         console->vga.current_base = console->vga.text_base;
 425         if (console->vga.cursor.visible) {
 426                 vgatext_set_cursor(softc,
 427                     console->vga.cursor.row,
 428                     console->vga.cursor.col);
 429         }
 430         vgatext_restore_colormap(softc);
 431 }
 432 
 433 static void
 434 vgatext_kdsetgraphics(struct gfxp_fb_softc *softc)
 435 {
 436         vgatext_progressbar_stop(softc);
 437         vgatext_save_text(softc);
 438         softc->console->vga.current_base = softc->console->vga.shadow;
 439         vgatext_get_text(softc);
 440 #if     defined(USE_BORDERS)
 441         vgatext_init_graphics(softc);
 442 #endif
 443 }
 444 
 445 static int
 446 vgatext_kdsetmode(struct gfxp_fb_softc *softc, int mode)
 447 {
 448         switch (mode) {
 449         case KD_TEXT:
 450                 if (softc->blt_ops.setmode != NULL)
 451                         softc->blt_ops.setmode(KD_TEXT);
 452                 vgatext_kdsettext(softc);
 453                 break;
 454 
 455         case KD_GRAPHICS:
 456                 vgatext_kdsetgraphics(softc);
 457                 if (softc->blt_ops.setmode != NULL)
 458                         softc->blt_ops.setmode(KD_GRAPHICS);
 459                 break;
 460 
 461         case KD_RESETTEXT:
 462                 /*
 463                  * In order to avoid racing with a starting X server,
 464                  * this needs to be a test and set that is performed in
 465                  * a single (softc->lock protected) ioctl into this driver.
 466                  */
 467                 if (softc->mode == KD_TEXT && softc->silent == 1) {
 468                         vgatext_progressbar_stop(softc);
 469                         vgatext_kdsettext(softc);
 470                 }
 471                 mode = KD_TEXT;
 472                 break;
 473 
 474         default:
 475                 return (EINVAL);
 476         }
 477 
 478         softc->mode = mode;
 479         return (0);
 480 }
 481 
 482 /*ARGSUSED*/
 483 static int
 484 vgatext_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len,
 485     size_t *maplen, uint_t model, void *ptr)
 486 {
 487         struct gfxp_fb_softc *softc = (struct gfxp_fb_softc *)ptr;
 488         union gfx_console *console;
 489         int err;
 490         size_t length;
 491 
 492 
 493         if (softc == NULL) {
 494                 cmn_err(CE_WARN, "vgatext: Can't find softstate");
 495                 return (-1);
 496         }
 497         console = softc->console;
 498 
 499         if (!(off >= VGA_MMAP_FB_BASE &&
 500             off < VGA_MMAP_FB_BASE + console->vga.fb_size)) {
 501                 cmn_err(CE_WARN, "vgatext: Can't map offset 0x%llx", off);
 502                 return (-1);
 503         }
 504 
 505         if (off + len > VGA_MMAP_FB_BASE + console->vga.fb_size)
 506                 length = VGA_MMAP_FB_BASE + console->vga.fb_size - off;
 507         else
 508                 length = len;
 509 
 510         if ((err = devmap_devmem_setup(dhp, softc->devi,
 511             NULL, console->vga.fb_regno, off - VGA_MMAP_FB_BASE,
 512             length, PROT_ALL, 0, &dev_attr)) < 0) {
 513                 return (err);
 514         }
 515 
 516 
 517         *maplen = length;
 518         return (0);
 519 }
 520 
 521 
 522 static int
 523 vgatext_devinit(struct gfxp_fb_softc *softc, struct vis_devinit *data)
 524 {
 525         /* initialize console instance */
 526         data->version = VIS_CONS_REV;
 527         data->width = TEXT_COLS;
 528         data->height = TEXT_ROWS;
 529         data->linebytes = TEXT_COLS;
 530         data->color_map = NULL;
 531         data->depth = 4;
 532         data->mode = VIS_TEXT;
 533         data->polledio = &softc->polledio;
 534 
 535         vgatext_save_text(softc);       /* save current console */
 536         vgatext_hide_cursor(softc);
 537         return (0);
 538 }
 539 
 540 /*
 541  * Binary searchable table for Unicode to CP437 conversion.
 542  */
 543 struct unicp437 {
 544         uint16_t        unicode_base;
 545         uint8_t         cp437_base;
 546         uint8_t         length;
 547 };
 548 
 549 static const struct unicp437 cp437table[] = {
 550         { 0x0020, 0x20, 0x5e }, { 0x00a0, 0x20, 0x00 }, { 0x00a1, 0xad, 0x00 },
 551         { 0x00a2, 0x9b, 0x00 }, { 0x00a3, 0x9c, 0x00 }, { 0x00a5, 0x9d, 0x00 },
 552         { 0x00a7, 0x15, 0x00 }, { 0x00aa, 0xa6, 0x00 }, { 0x00ab, 0xae, 0x00 },
 553         { 0x00ac, 0xaa, 0x00 }, { 0x00b0, 0xf8, 0x00 }, { 0x00b1, 0xf1, 0x00 },
 554         { 0x00b2, 0xfd, 0x00 }, { 0x00b5, 0xe6, 0x00 }, { 0x00b6, 0x14, 0x00 },
 555         { 0x00b7, 0xfa, 0x00 }, { 0x00ba, 0xa7, 0x00 }, { 0x00bb, 0xaf, 0x00 },
 556         { 0x00bc, 0xac, 0x00 }, { 0x00bd, 0xab, 0x00 }, { 0x00bf, 0xa8, 0x00 },
 557         { 0x00c4, 0x8e, 0x01 }, { 0x00c6, 0x92, 0x00 }, { 0x00c7, 0x80, 0x00 },
 558         { 0x00c9, 0x90, 0x00 }, { 0x00d1, 0xa5, 0x00 }, { 0x00d6, 0x99, 0x00 },
 559         { 0x00dc, 0x9a, 0x00 }, { 0x00df, 0xe1, 0x00 }, { 0x00e0, 0x85, 0x00 },
 560         { 0x00e1, 0xa0, 0x00 }, { 0x00e2, 0x83, 0x00 }, { 0x00e4, 0x84, 0x00 },
 561         { 0x00e5, 0x86, 0x00 }, { 0x00e6, 0x91, 0x00 }, { 0x00e7, 0x87, 0x00 },
 562         { 0x00e8, 0x8a, 0x00 }, { 0x00e9, 0x82, 0x00 }, { 0x00ea, 0x88, 0x01 },
 563         { 0x00ec, 0x8d, 0x00 }, { 0x00ed, 0xa1, 0x00 }, { 0x00ee, 0x8c, 0x00 },
 564         { 0x00ef, 0x8b, 0x00 }, { 0x00f0, 0xeb, 0x00 }, { 0x00f1, 0xa4, 0x00 },
 565         { 0x00f2, 0x95, 0x00 }, { 0x00f3, 0xa2, 0x00 }, { 0x00f4, 0x93, 0x00 },
 566         { 0x00f6, 0x94, 0x00 }, { 0x00f7, 0xf6, 0x00 }, { 0x00f8, 0xed, 0x00 },
 567         { 0x00f9, 0x97, 0x00 }, { 0x00fa, 0xa3, 0x00 }, { 0x00fb, 0x96, 0x00 },
 568         { 0x00fc, 0x81, 0x00 }, { 0x00ff, 0x98, 0x00 }, { 0x0192, 0x9f, 0x00 },
 569         { 0x0393, 0xe2, 0x00 }, { 0x0398, 0xe9, 0x00 }, { 0x03a3, 0xe4, 0x00 },
 570         { 0x03a6, 0xe8, 0x00 }, { 0x03a9, 0xea, 0x00 }, { 0x03b1, 0xe0, 0x01 },
 571         { 0x03b4, 0xeb, 0x00 }, { 0x03b5, 0xee, 0x00 }, { 0x03bc, 0xe6, 0x00 },
 572         { 0x03c0, 0xe3, 0x00 }, { 0x03c3, 0xe5, 0x00 }, { 0x03c4, 0xe7, 0x00 },
 573         { 0x03c6, 0xed, 0x00 }, { 0x03d5, 0xed, 0x00 }, { 0x2010, 0x2d, 0x00 },
 574         { 0x2014, 0x2d, 0x00 }, { 0x2018, 0x60, 0x00 }, { 0x2019, 0x27, 0x00 },
 575         { 0x201c, 0x22, 0x00 }, { 0x201d, 0x22, 0x00 }, { 0x2022, 0x07, 0x00 },
 576         { 0x203c, 0x13, 0x00 }, { 0x207f, 0xfc, 0x00 }, { 0x20a7, 0x9e, 0x00 },
 577         { 0x20ac, 0xee, 0x00 }, { 0x2126, 0xea, 0x00 }, { 0x2190, 0x1b, 0x00 },
 578         { 0x2191, 0x18, 0x00 }, { 0x2192, 0x1a, 0x00 }, { 0x2193, 0x19, 0x00 },
 579         { 0x2194, 0x1d, 0x00 }, { 0x2195, 0x12, 0x00 }, { 0x21a8, 0x17, 0x00 },
 580         { 0x2202, 0xeb, 0x00 }, { 0x2208, 0xee, 0x00 }, { 0x2211, 0xe4, 0x00 },
 581         { 0x2212, 0x2d, 0x00 }, { 0x2219, 0xf9, 0x00 }, { 0x221a, 0xfb, 0x00 },
 582         { 0x221e, 0xec, 0x00 }, { 0x221f, 0x1c, 0x00 }, { 0x2229, 0xef, 0x00 },
 583         { 0x2248, 0xf7, 0x00 }, { 0x2261, 0xf0, 0x00 }, { 0x2264, 0xf3, 0x00 },
 584         { 0x2265, 0xf2, 0x00 }, { 0x2302, 0x7f, 0x00 }, { 0x2310, 0xa9, 0x00 },
 585         { 0x2320, 0xf4, 0x00 }, { 0x2321, 0xf5, 0x00 }, { 0x2500, 0xc4, 0x00 },
 586         { 0x2502, 0xb3, 0x00 }, { 0x250c, 0xda, 0x00 }, { 0x2510, 0xbf, 0x00 },
 587         { 0x2514, 0xc0, 0x00 }, { 0x2518, 0xd9, 0x00 }, { 0x251c, 0xc3, 0x00 },
 588         { 0x2524, 0xb4, 0x00 }, { 0x252c, 0xc2, 0x00 }, { 0x2534, 0xc1, 0x00 },
 589         { 0x253c, 0xc5, 0x00 }, { 0x2550, 0xcd, 0x00 }, { 0x2551, 0xba, 0x00 },
 590         { 0x2552, 0xd5, 0x00 }, { 0x2553, 0xd6, 0x00 }, { 0x2554, 0xc9, 0x00 },
 591         { 0x2555, 0xb8, 0x00 }, { 0x2556, 0xb7, 0x00 }, { 0x2557, 0xbb, 0x00 },
 592         { 0x2558, 0xd4, 0x00 }, { 0x2559, 0xd3, 0x00 }, { 0x255a, 0xc8, 0x00 },
 593         { 0x255b, 0xbe, 0x00 }, { 0x255c, 0xbd, 0x00 }, { 0x255d, 0xbc, 0x00 },
 594         { 0x255e, 0xc6, 0x01 }, { 0x2560, 0xcc, 0x00 }, { 0x2561, 0xb5, 0x00 },
 595         { 0x2562, 0xb6, 0x00 }, { 0x2563, 0xb9, 0x00 }, { 0x2564, 0xd1, 0x01 },
 596         { 0x2566, 0xcb, 0x00 }, { 0x2567, 0xcf, 0x00 }, { 0x2568, 0xd0, 0x00 },
 597         { 0x2569, 0xca, 0x00 }, { 0x256a, 0xd8, 0x00 }, { 0x256b, 0xd7, 0x00 },
 598         { 0x256c, 0xce, 0x00 }, { 0x2580, 0xdf, 0x00 }, { 0x2584, 0xdc, 0x00 },
 599         { 0x2588, 0xdb, 0x00 }, { 0x258c, 0xdd, 0x00 }, { 0x2590, 0xde, 0x00 },
 600         { 0x2591, 0xb0, 0x02 }, { 0x25a0, 0xfe, 0x00 }, { 0x25ac, 0x16, 0x00 },
 601         { 0x25b2, 0x1e, 0x00 }, { 0x25ba, 0x10, 0x00 }, { 0x25bc, 0x1f, 0x00 },
 602         { 0x25c4, 0x11, 0x00 }, { 0x25cb, 0x09, 0x00 }, { 0x25d8, 0x08, 0x00 },
 603         { 0x25d9, 0x0a, 0x00 }, { 0x263a, 0x01, 0x01 }, { 0x263c, 0x0f, 0x00 },
 604         { 0x2640, 0x0c, 0x00 }, { 0x2642, 0x0b, 0x00 }, { 0x2660, 0x06, 0x00 },
 605         { 0x2663, 0x05, 0x00 }, { 0x2665, 0x03, 0x01 }, { 0x266a, 0x0d, 0x00 },
 606         { 0x266c, 0x0e, 0x00 }
 607 };
 608 
 609 static uint8_t
 610 vga_get_cp437(uint32_t c)
 611 {
 612         int min, mid, max;
 613 
 614         min = 0;
 615         max = (sizeof(cp437table) / sizeof(struct unicp437)) - 1;
 616 
 617         if (c < cp437table[0].unicode_base ||
 618             c > cp437table[max].unicode_base + cp437table[max].length)
 619                 return ('?');
 620 
 621         while (max >= min) {
 622                 mid = (min + max) / 2;
 623                 if (c < cp437table[mid].unicode_base)
 624                         max = mid - 1;
 625                 else if (c > cp437table[mid].unicode_base +
 626                     cp437table[mid].length)
 627                         min = mid + 1;
 628                 else
 629                         return (c - cp437table[mid].unicode_base +
 630                             cp437table[mid].cp437_base);
 631         }
 632 
 633         return ('?');
 634 }
 635 
 636 /*
 637  * display a string on the screen at (row, col)
 638  *       assume it has been cropped to fit.
 639  */
 640 static void
 641 vgatext_cons_display(struct gfxp_fb_softc *softc, struct vis_consdisplay *da)
 642 {
 643         uint32_t *string;
 644         int     i;
 645         unsigned char   attr;
 646         struct cgatext {
 647                 unsigned char ch;
 648                 unsigned char attr;
 649         };
 650         struct cgatext *addr;
 651 
 652         /*
 653          * Sanity checks.  This is a last-ditch effort to avoid damage
 654          * from brokenness or maliciousness above.
 655          */
 656         if (da->row < 0 || da->row >= TEXT_ROWS ||
 657             da->col < 0 || da->col >= TEXT_COLS ||
 658             da->col + da->width > TEXT_COLS)
 659                 return;
 660 
 661         /*
 662          * To be fully general, we should copyin the data.  This is not
 663          * really relevant for this text-only driver, but a graphical driver
 664          * should support these ioctls from userland to enable simple
 665          * system startup graphics.
 666          */
 667         attr = (solaris_color_to_pc_color[da->bg_color & 0xf] << 4)
 668             | solaris_color_to_pc_color[da->fg_color & 0xf];
 669         string = (uint32_t *)da->data;
 670         addr = (struct cgatext *)softc->console->vga.current_base
 671             +  (da->row * TEXT_COLS + da->col);
 672         for (i = 0; i < da->width; i++) {
 673                 addr[i].ch = vga_get_cp437(string[i]);
 674                 addr[i].attr = attr;
 675         }
 676 }
 677 
 678 static void
 679 vgatext_polled_display(
 680         struct vis_polledio_arg *arg,
 681         struct vis_consdisplay *da)
 682 {
 683         vgatext_cons_display((struct gfxp_fb_softc *)arg, da);
 684 }
 685 
 686 /*
 687  * screen-to-screen copy
 688  */
 689 
 690 static void
 691 vgatext_cons_copy(struct gfxp_fb_softc *softc, struct vis_conscopy *ma)
 692 {
 693         unsigned short  *from;
 694         unsigned short  *to;
 695         int             cnt;
 696         screen_size_t chars_per_row;
 697         unsigned short  *to_row_start;
 698         unsigned short  *from_row_start;
 699         screen_size_t   rows_to_move;
 700         unsigned short  *base;
 701 
 702         /*
 703          * Sanity checks.  Note that this is a last-ditch effort to avoid
 704          * damage caused by broken-ness or maliciousness above.
 705          */
 706         if (ma->s_col < 0 || ma->s_col >= TEXT_COLS ||
 707             ma->s_row < 0 || ma->s_row >= TEXT_ROWS ||
 708             ma->e_col < 0 || ma->e_col >= TEXT_COLS ||
 709             ma->e_row < 0 || ma->e_row >= TEXT_ROWS ||
 710             ma->t_col < 0 || ma->t_col >= TEXT_COLS ||
 711             ma->t_row < 0 || ma->t_row >= TEXT_ROWS ||
 712             ma->s_col > ma->e_col ||
 713             ma->s_row > ma->e_row)
 714                 return;
 715 
 716         /*
 717          * Remember we're going to copy shorts because each
 718          * character/attribute pair is 16 bits.
 719          */
 720         chars_per_row = ma->e_col - ma->s_col + 1;
 721         rows_to_move = ma->e_row - ma->s_row + 1;
 722 
 723         /* More sanity checks. */
 724         if (ma->t_row + rows_to_move > TEXT_ROWS ||
 725             ma->t_col + chars_per_row > TEXT_COLS)
 726                 return;
 727 
 728         base = (unsigned short *)softc->console->vga.current_base;
 729 
 730         to_row_start = base + ((ma->t_row * TEXT_COLS) + ma->t_col);
 731         from_row_start = base + ((ma->s_row * TEXT_COLS) + ma->s_col);
 732 
 733         if (to_row_start < from_row_start) {
 734                 while (rows_to_move-- > 0) {
 735                         to = to_row_start;
 736                         from = from_row_start;
 737                         to_row_start += TEXT_COLS;
 738                         from_row_start += TEXT_COLS;
 739                         for (cnt = chars_per_row; cnt-- > 0; )
 740                                 *to++ = *from++;
 741                 }
 742         } else {
 743                 /*
 744                  * Offset to the end of the region and copy backwards.
 745                  */
 746                 cnt = rows_to_move * TEXT_COLS + chars_per_row;
 747                 to_row_start += cnt;
 748                 from_row_start += cnt;
 749 
 750                 while (rows_to_move-- > 0) {
 751                         to_row_start -= TEXT_COLS;
 752                         from_row_start -= TEXT_COLS;
 753                         to = to_row_start;
 754                         from = from_row_start;
 755                         for (cnt = chars_per_row; cnt-- > 0; )
 756                                 *--to = *--from;
 757                 }
 758         }
 759 }
 760 
 761 static void
 762 vgatext_polled_copy(
 763         struct vis_polledio_arg *arg,
 764         struct vis_conscopy *ca)
 765 {
 766         vgatext_cons_copy((struct gfxp_fb_softc *)arg, ca);
 767 }
 768 
 769 /*ARGSUSED*/
 770 static int
 771 vgatext_cons_clear(struct gfxp_fb_softc *softc, struct vis_consclear *ca)
 772 {
 773         uint16_t val, fg, *base;
 774         int i;
 775 
 776         if (ca->bg_color == 0)               /* bright white */
 777                 fg = 1;                 /* black */
 778         else
 779                 fg = 8;
 780 
 781         val = (solaris_color_to_pc_color[ca->bg_color & 0xf] << 4) |
 782             solaris_color_to_pc_color[fg];
 783         val = (val << 8) | ' ';
 784 
 785         base = (uint16_t *)softc->console->vga.current_base;
 786         for (i = 0; i < TEXT_ROWS * TEXT_COLS; i++)
 787                 base[i] = val;
 788 
 789         return (0);
 790 }
 791 
 792 static void
 793 vgatext_cons_cursor(struct gfxp_fb_softc *softc, struct vis_conscursor *ca)
 794 {
 795         if (softc->silent)
 796                 return;
 797 
 798         switch (ca->action) {
 799         case VIS_HIDE_CURSOR:
 800                 softc->console->vga.cursor.visible = B_FALSE;
 801                 if (softc->console->vga.current_base ==
 802                     softc->console->vga.text_base)
 803                         vgatext_hide_cursor(softc);
 804                 break;
 805         case VIS_DISPLAY_CURSOR:
 806                 /*
 807                  * Sanity check.  This is a last-ditch effort to avoid
 808                  * damage from brokenness or maliciousness above.
 809                  */
 810                 if (ca->col < 0 || ca->col >= TEXT_COLS ||
 811                     ca->row < 0 || ca->row >= TEXT_ROWS)
 812                         return;
 813 
 814                 softc->console->vga.cursor.visible = B_TRUE;
 815                 softc->console->vga.cursor.col = ca->col;
 816                 softc->console->vga.cursor.row = ca->row;
 817                 if (softc->console->vga.current_base ==
 818                     softc->console->vga.text_base)
 819                         vgatext_set_cursor(softc, ca->row, ca->col);
 820                 break;
 821         case VIS_GET_CURSOR:
 822                 if (softc->console->vga.current_base ==
 823                     softc->console->vga.text_base) {
 824                         vgatext_get_cursor(softc, &ca->row, &ca->col);
 825                 }
 826                 break;
 827         }
 828 }
 829 
 830 static void
 831 vgatext_polled_cursor(
 832         struct vis_polledio_arg *arg,
 833         struct vis_conscursor *ca)
 834 {
 835         vgatext_cons_cursor((struct gfxp_fb_softc *)arg, ca);
 836 }
 837 
 838 static void
 839 vgatext_hide_cursor(struct gfxp_fb_softc *softc)
 840 {
 841         union gfx_console *console = softc->console;
 842         uint8_t msl, s;
 843 
 844         if (softc->silent)
 845                 return;
 846 
 847         msl = vga_get_crtc(&console->vga.regs, VGA_CRTC_MAX_S_LN) & 0x1f;
 848         s = vga_get_crtc(&console->vga.regs, VGA_CRTC_CSSL) & 0xc0;
 849         s |= (1<<5);
 850 
 851         /* disable cursor */
 852         vga_set_crtc(&console->vga.regs, VGA_CRTC_CSSL, s);
 853         vga_set_crtc(&console->vga.regs, VGA_CRTC_CESL, msl);
 854 }
 855 
 856 static void
 857 vgatext_set_cursor(struct gfxp_fb_softc *softc, int row, int col)
 858 {
 859         union gfx_console *console = softc->console;
 860         short   addr;
 861         uint8_t msl, s;
 862 
 863         if (softc->silent)
 864                 return;
 865 
 866         msl = vga_get_crtc(&console->vga.regs, VGA_CRTC_MAX_S_LN) & 0x1f;
 867         s = vga_get_crtc(&console->vga.regs, VGA_CRTC_CSSL) & 0xc0;
 868 
 869         addr = row * TEXT_COLS + col;
 870 
 871         vga_set_crtc(&console->vga.regs, VGA_CRTC_CLAH, addr >> 8);
 872         vga_set_crtc(&console->vga.regs, VGA_CRTC_CLAL, addr & 0xff);
 873 
 874         /* enable cursor */
 875         vga_set_crtc(&console->vga.regs, VGA_CRTC_CSSL, s);
 876         vga_set_crtc(&console->vga.regs, VGA_CRTC_CESL, msl);
 877 }
 878 
 879 static void
 880 vgatext_get_cursor(struct gfxp_fb_softc *softc,
 881     screen_pos_t *row, screen_pos_t *col)
 882 {
 883         union gfx_console *console = softc->console;
 884         short   addr;
 885 
 886         addr = (vga_get_crtc(&console->vga.regs, VGA_CRTC_CLAH) << 8) +
 887             vga_get_crtc(&console->vga.regs, VGA_CRTC_CLAL);
 888 
 889         *row = addr / TEXT_COLS;
 890         *col = addr % TEXT_COLS;
 891 }
 892 
 893 static void
 894 vgatext_get_text(struct gfxp_fb_softc *softc)
 895 {
 896         union gfx_console *console = softc->console;
 897         struct vgareg *vga_reg;
 898         struct vgaregmap *regs;
 899         int i;
 900 
 901         regs = &console->vga.regs;
 902         vga_reg = &console->vga.vga_reg;
 903 
 904         vga_reg->vga_misc = vga_get_reg(regs, VGA_MISC_R);
 905 
 906         /* get crt controller registers */
 907         for (i = 0; i < NUM_CRTC_REG; i++) {
 908                 vga_reg->vga_crtc[i] = vga_get_crtc(regs, i);
 909         }
 910 
 911         /* get attribute registers */
 912         for (i = 0; i < NUM_ATR_REG; i++) {
 913                 vga_reg->vga_atr[i] = vga_get_atr(regs, i);
 914         }
 915 
 916         /* get graphics controller registers */
 917         for (i = 0; i < NUM_GRC_REG; i++) {
 918                 vga_reg->vga_grc[i] = vga_get_grc(regs, i);
 919         }
 920 
 921         /* get sequencer registers */
 922         for (i = 1; i < NUM_SEQ_REG; i++) {
 923                 vga_reg->vga_seq[i] = vga_get_seq(regs, i);
 924         }
 925 }
 926 
 927 /*
 928  * This code is experimental. It's only enabled if console is
 929  * set to graphics, a preliminary implementation of happyface boot.
 930  */
 931 static void
 932 vgatext_set_text(struct gfxp_fb_softc *softc)
 933 {
 934         union gfx_console *console = softc->console;
 935         struct vgareg *vga_reg;
 936         struct vgaregmap *regs;
 937         int i;
 938 
 939         regs = &console->vga.regs;
 940         vga_reg = &console->vga.vga_reg;
 941 
 942         vgatext_get_text(softc);
 943 /*
 944         if (softc->happyface_boot == 0)
 945                 return;
 946 */
 947 
 948         /*
 949          * Set output register bits for text mode.
 950          * Make sure the VGA adapter is not in monochrome emulation mode.
 951          */
 952         vga_set_reg(regs, VGA_MISC_W, VGA_MISC_HSP | VGA_MISC_PGSL |
 953             VGA_MISC_VCLK1 | VGA_MISC_ENB_RAM | VGA_MISC_IOA_SEL);
 954 
 955 #if 0
 956         /* set misc registers */
 957         vga_set_reg(regs, VGA_MISC_W, vga_reg->vga_misc);
 958 #endif
 959 
 960         /* set sequencer registers */
 961         vga_set_seq(&console->vga.regs, VGA_SEQ_RST_SYN,
 962             (vga_get_seq(&console->vga.regs, VGA_SEQ_RST_SYN) &
 963             ~VGA_SEQ_RST_SYN_NO_SYNC_RESET));
 964         for (i = 1; i < NUM_SEQ_REG; i++) {
 965                 /* vga_set_seq(regs, i, vga_reg->vga_seq[i]); */
 966                 vga_set_seq(regs, i, VGA_SEQ_TEXT[i]);
 967         }
 968         vga_set_seq(&console->vga.regs, VGA_SEQ_RST_SYN,
 969             (vga_get_seq(&console->vga.regs, VGA_SEQ_RST_SYN) |
 970             VGA_SEQ_RST_SYN_NO_ASYNC_RESET |
 971             VGA_SEQ_RST_SYN_NO_SYNC_RESET));
 972 
 973         /* set crt controller registers */
 974         vga_set_crtc(&console->vga.regs, VGA_CRTC_VRE,
 975             (vga_reg->vga_crtc[VGA_CRTC_VRE] & ~VGA_CRTC_VRE_LOCK));
 976         for (i = 0; i < NUM_CRTC_REG; i++) {
 977                 /* vga_set_crtc(regs, i, vga_reg->vga_crtc[i]); */
 978                 vga_set_crtc(regs, i, VGA_CRTC_TEXT[i]);
 979         }
 980 
 981         /* set graphics controller registers */
 982         for (i = 0; i < NUM_GRC_REG; i++) {
 983                 /* vga_set_grc(regs, i, vga_reg->vga_grc[i]); */
 984                 vga_set_grc(regs, i, VGA_GRC_TEXT[i]);
 985         }
 986 
 987         /* set attribute registers */
 988         for (i = 0; i < NUM_ATR_REG; i++) {
 989                 /* vga_set_atr(regs, i, vga_reg->vga_seq[i]); */
 990                 vga_set_atr(regs, i, VGA_ATR_TEXT[i]);
 991         }
 992 
 993         /* set palette */
 994         for (i = 0; i < VGA_TEXT_CMAP_ENTRIES; i++) {
 995                 vga_put_cmap(&console->vga.regs, i,
 996                     VGA_TEXT_PALETTES[i][0] << 2,
 997                     VGA_TEXT_PALETTES[i][1] << 2,
 998                     VGA_TEXT_PALETTES[i][2] << 2);
 999         }
1000         for (i = VGA_TEXT_CMAP_ENTRIES; i < VGA8_CMAP_ENTRIES; i++) {
1001                 vga_put_cmap(&console->vga.regs, i, 0, 0, 0);
1002         }
1003 }
1004 
1005 static void
1006 vgatext_init(struct gfxp_fb_softc *softc)
1007 {
1008         union gfx_console *console = softc->console;
1009         unsigned char atr_mode;
1010 
1011         atr_mode = vga_get_atr(&console->vga.regs, VGA_ATR_MODE);
1012         if (atr_mode & VGA_ATR_MODE_GRAPH)
1013                 vgatext_set_text(softc);
1014         atr_mode = vga_get_atr(&console->vga.regs, VGA_ATR_MODE);
1015         atr_mode &= ~VGA_ATR_MODE_BLINK;
1016         atr_mode &= ~VGA_ATR_MODE_9WIDE;
1017         vga_set_atr(&console->vga.regs, VGA_ATR_MODE, atr_mode);
1018 #if     defined(USE_BORDERS)
1019         vga_set_atr(&console->vga.regs, VGA_ATR_BDR_CLR,
1020             vga_get_atr(&console->vga.regs, VGA_BRIGHT_WHITE));
1021 #else
1022         vga_set_atr(&console->vga.regs, VGA_ATR_BDR_CLR,
1023             vga_get_atr(&console->vga.regs, VGA_BLACK));
1024 #endif
1025         vgatext_setfont(softc); /* need selectable font? */
1026 }
1027 
1028 #if     defined(USE_BORDERS)
1029 static void
1030 vgatext_init_graphics(struct gfxp_fb_softc *softc)
1031 {
1032         vga_set_atr(&softc->console->vga.regs, VGA_ATR_BDR_CLR,
1033             vga_get_atr(&softc->console->vga.regs, VGA_BLACK));
1034 }
1035 #endif
1036 
1037 /*
1038  * Binary searchable table for CP437 to Unicode conversion.
1039  */
1040 struct cp437uni {
1041         uint8_t         cp437_base;
1042         uint16_t        unicode_base;
1043         uint8_t         length;
1044 };
1045 
1046 static const struct cp437uni cp437unitable[] = {
1047         {   0, 0x0000, 0 }, {   1, 0x263A, 1 }, {   3, 0x2665, 1 },
1048         {   5, 0x2663, 0 }, {   6, 0x2660, 0 }, {   7, 0x2022, 0 },
1049         {   8, 0x25D8, 0 }, {   9, 0x25CB, 0 }, {  10, 0x25D9, 0 },
1050         {  11, 0x2642, 0 }, {  12, 0x2640, 0 }, {  13, 0x266A, 1 },
1051         {  15, 0x263C, 0 }, {  16, 0x25BA, 0 }, {  17, 0x25C4, 0 },
1052         {  18, 0x2195, 0 }, {  19, 0x203C, 0 }, {  20, 0x00B6, 0 },
1053         {  21, 0x00A7, 0 }, {  22, 0x25AC, 0 }, {  23, 0x21A8, 0 },
1054         {  24, 0x2191, 0 }, {  25, 0x2193, 0 }, {  26, 0x2192, 0 },
1055         {  27, 0x2190, 0 }, {  28, 0x221F, 0 }, {  29, 0x2194, 0 },
1056         {  30, 0x25B2, 0 }, {  31, 0x25BC, 0 }, {  32, 0x0020, 0x5e },
1057         { 127, 0x2302, 0 }, { 128, 0x00C7, 0 }, { 129, 0x00FC, 0 },
1058         { 130, 0x00E9, 0 }, { 131, 0x00E2, 0 }, { 132, 0x00E4, 0 },
1059         { 133, 0x00E0, 0 }, { 134, 0x00E5, 0 }, { 135, 0x00E7, 0 },
1060         { 136, 0x00EA, 1 }, { 138, 0x00E8, 0 }, { 139, 0x00EF, 0 },
1061         { 140, 0x00EE, 0 }, { 141, 0x00EC, 0 }, { 142, 0x00C4, 1 },
1062         { 144, 0x00C9, 0 }, { 145, 0x00E6, 0 }, { 146, 0x00C6, 0 },
1063         { 147, 0x00F4, 0 }, { 148, 0x00F6, 0 }, { 149, 0x00F2, 0 },
1064         { 150, 0x00FB, 0 }, { 151, 0x00F9, 0 }, { 152, 0x00FF, 0 },
1065         { 153, 0x00D6, 0 }, { 154, 0x00DC, 0 }, { 155, 0x00A2, 1 },
1066         { 157, 0x00A5, 0 }, { 158, 0x20A7, 0 }, { 159, 0x0192, 0 },
1067         { 160, 0x00E1, 0 }, { 161, 0x00ED, 0 }, { 162, 0x00F3, 0 },
1068         { 163, 0x00FA, 0 }, { 164, 0x00F1, 0 }, { 165, 0x00D1, 0 },
1069         { 166, 0x00AA, 0 }, { 167, 0x00BA, 0 }, { 168, 0x00BF, 0 },
1070         { 169, 0x2310, 0 }, { 170, 0x00AC, 0 }, { 171, 0x00BD, 0 },
1071         { 172, 0x00BC, 0 }, { 173, 0x00A1, 0 }, { 174, 0x00AB, 0 },
1072         { 175, 0x00BB, 0 }, { 176, 0x2591, 2 }, { 179, 0x2502, 0 },
1073         { 180, 0x2524, 0 }, { 181, 0x2561, 1 }, { 183, 0x2556, 0 },
1074         { 184, 0x2555, 0 }, { 185, 0x2563, 0 }, { 186, 0x2551, 0 },
1075         { 187, 0x2557, 0 }, { 188, 0x255D, 0 }, { 189, 0x255C, 0 },
1076         { 190, 0x255B, 0 }, { 191, 0x2510, 0 }, { 192, 0x2514, 0 },
1077         { 193, 0x2534, 0 }, { 194, 0x252C, 0 }, { 195, 0x251C, 0 },
1078         { 196, 0x2500, 0 }, { 197, 0x253C, 0 }, { 198, 0x255E, 1 },
1079         { 200, 0x255A, 0 }, { 201, 0x2554, 0 }, { 202, 0x2569, 0 },
1080         { 203, 0x2566, 0 }, { 204, 0x2560, 0 }, { 205, 0x2550, 0 },
1081         { 206, 0x256C, 0 }, { 207, 0x2567, 1 }, { 209, 0x2564, 1 },
1082         { 211, 0x2559, 0 }, { 212, 0x2558, 0 }, { 213, 0x2552, 1 },
1083         { 215, 0x256B, 0 }, { 216, 0x256A, 0 }, { 217, 0x2518, 0 },
1084         { 218, 0x250C, 0 }, { 219, 0x2588, 0 }, { 220, 0x2584, 0 },
1085         { 221, 0x258C, 0 }, { 222, 0x2590, 0 }, { 223, 0x2580, 0 },
1086         { 224, 0x03B1, 0 }, { 225, 0x00DF, 0 }, { 226, 0x0393, 0 },
1087         { 227, 0x03C0, 0 }, { 228, 0x03A3, 0 }, { 229, 0x03C3, 0 },
1088         { 230, 0x00B5, 0 }, { 231, 0x03C4, 0 }, { 232, 0x03A6, 0 },
1089         { 233, 0x0398, 0 }, { 234, 0x03A9, 0 }, { 235, 0x03B4, 0 },
1090         { 236, 0x221E, 0 }, { 237, 0x03C6, 0 }, { 238, 0x03B5, 0 },
1091         { 239, 0x2229, 0 }, { 240, 0x2261, 0 }, { 241, 0x00B1, 0 },
1092         { 242, 0x2265, 0 }, { 243, 0x2264, 0 }, { 244, 0x2320, 1 },
1093         { 246, 0x00F7, 0 }, { 247, 0x2248, 0 }, { 248, 0x00B0, 0 },
1094         { 249, 0x2219, 0 }, { 250, 0x00B7, 0 }, { 251, 0x221A, 0 },
1095         { 252, 0x207F, 0 }, { 253, 0x00B2, 0 }, { 254, 0x25A0, 0 },
1096         { 255, 0x00A0, 0 }
1097 };
1098 
1099 static uint16_t
1100 vga_cp437_to_uni(uint8_t c)
1101 {
1102         int min, mid, max;
1103 
1104         min = 0;
1105         max = (sizeof(cp437unitable) / sizeof(struct cp437uni)) - 1;
1106 
1107         if (c < cp437unitable[0].cp437_base ||
1108             c > cp437unitable[max].cp437_base + cp437unitable[max].length)
1109                 return ('?');
1110 
1111         while (max >= min) {
1112                 mid = (min + max) / 2;
1113                 if (c < cp437unitable[mid].cp437_base)
1114                         max = mid - 1;
1115                 else if (c > cp437unitable[mid].cp437_base +
1116                     cp437unitable[mid].length)
1117                         min = mid + 1;
1118                 else
1119                         return (c - cp437unitable[mid].cp437_base +
1120                             cp437unitable[mid].unicode_base);
1121         }
1122 
1123         return ('?');
1124 }
1125 
1126 static void
1127 vgatext_setfont(struct gfxp_fb_softc *softc)
1128 {
1129         union gfx_console *console = softc->console;
1130         static uchar_t fsreg[8] = {0x0, 0x30, 0x5, 0x35, 0xa, 0x3a, 0xf, 0x3f};
1131 
1132         const uchar_t *from;
1133         uchar_t volatile *to;
1134         uint16_t c;
1135         int     i, j, s;
1136         int     bpc, f_offset;
1137 
1138         /* Sync-reset the sequencer registers */
1139         vga_set_seq(&console->vga.regs, 0x00, 0x01);
1140         /*
1141          *  enable write to plane2, since fonts
1142          * could only be loaded into plane2
1143          */
1144         vga_set_seq(&console->vga.regs, 0x02, 0x04);
1145         /*
1146          *  sequentially access data in the bit map being
1147          * selected by MapMask register (index 0x02)
1148          */
1149         vga_set_seq(&console->vga.regs, 0x04, 0x07);
1150         /* Sync-reset ended, and allow the sequencer to operate */
1151         vga_set_seq(&console->vga.regs, 0x00, 0x03);
1152 
1153         /*
1154          *  select plane 2 on Read Mode 0
1155          */
1156         vga_set_grc(&console->vga.regs, 0x04, 0x02);
1157         /*
1158          *  system addresses sequentially access data, follow
1159          * Memory Mode register bit 2 in the sequencer
1160          */
1161         vga_set_grc(&console->vga.regs, 0x05, 0x00);
1162         /*
1163          * set range of host memory addresses decoded by VGA
1164          * hardware -- A0000h-BFFFFh (128K region)
1165          */
1166         vga_set_grc(&console->vga.regs, 0x06, 0x00);
1167 
1168         /*
1169          * This assumes 8x16 characters, which yield the traditional 80x25
1170          * screen.  It really should support other character heights.
1171          */
1172         bpc = 16;
1173         s = console->vga.vga_fontslot;
1174         f_offset = s * 8 * 1024;
1175         for (i = 0; i < 256; i++) {
1176                 c = vga_cp437_to_uni(i);
1177                 from = font_lookup(font_data_8x16.font, c);
1178                 to = (unsigned char *)console->vga.fb.addr + f_offset +
1179                     i * 0x20;
1180                 for (j = 0; j < bpc; j++)
1181                         *to++ = *from++;
1182         }
1183 
1184         /* Sync-reset the sequencer registers */
1185         vga_set_seq(&console->vga.regs, 0x00, 0x01);
1186         /* enable write to plane 0 and 1 */
1187         vga_set_seq(&console->vga.regs, 0x02, 0x03);
1188         /*
1189          * enable character map selection
1190          * and odd/even addressing
1191          */
1192         vga_set_seq(&console->vga.regs, 0x04, 0x03);
1193         /*
1194          * select font map
1195          */
1196         vga_set_seq(&console->vga.regs, 0x03, fsreg[s]);
1197         /* Sync-reset ended, and allow the sequencer to operate */
1198         vga_set_seq(&console->vga.regs, 0x00, 0x03);
1199 
1200         /* restore graphic registers */
1201 
1202         /* select plane 0 */
1203         vga_set_grc(&console->vga.regs, 0x04, 0x00);
1204         /* enable odd/even addressing mode */
1205         vga_set_grc(&console->vga.regs, 0x05, 0x10);
1206         /*
1207          * range of host memory addresses decoded by VGA
1208          * hardware -- B8000h-BFFFFh (32K region)
1209          */
1210         vga_set_grc(&console->vga.regs, 0x06, 0x0e);
1211         /* enable all color plane */
1212         vga_set_atr(&console->vga.regs, 0x12, 0x0f);
1213 
1214 }
1215 
1216 int
1217 /*ARGSUSED*/
1218 gfxp_vga_scrnmap(int cmd, intptr_t data, int mode, struct gfxp_fb_softc *softc)
1219 {
1220         return (ENXIO);
1221 }
1222 
1223 static void
1224 vgatext_save_colormap(struct gfxp_fb_softc *softc)
1225 {
1226         union gfx_console *console = softc->console;
1227         int i;
1228 
1229         for (i = 0; i < VGA_ATR_NUM_PLT; i++) {
1230                 console->vga.attrib_palette[i] =
1231                     vga_get_atr(&console->vga.regs, i);
1232         }
1233         for (i = 0; i < VGA8_CMAP_ENTRIES; i++) {
1234                 vga_get_cmap(&console->vga.regs, i,
1235                     &console->vga.colormap[i].red,
1236                     &console->vga.colormap[i].green,
1237                     &console->vga.colormap[i].blue);
1238         }
1239 }
1240 
1241 static void
1242 vgatext_restore_colormap(struct gfxp_fb_softc *softc)
1243 {
1244         union gfx_console *console = softc->console;
1245         int i;
1246 
1247         for (i = 0; i < VGA_ATR_NUM_PLT; i++) {
1248                 vga_set_atr(&console->vga.regs, i,
1249                     console->vga.attrib_palette[i]);
1250         }
1251         for (i = 0; i < VGA8_CMAP_ENTRIES; i++) {
1252                 vga_put_cmap(&console->vga.regs, i,
1253                     console->vga.colormap[i].red,
1254                     console->vga.colormap[i].green,
1255                     console->vga.colormap[i].blue);
1256         }
1257 }
1258 
1259 /*
1260  * search the entries of the "reg" property for one which has the desired
1261  * combination of phys_hi bits and contains the desired address.
1262  *
1263  * This version searches a PCI-style "reg" property.  It was prompted by
1264  * issues surrounding the presence or absence of an entry for the ROM:
1265  * (a) a transition problem with PowerPC Virtual Open Firmware
1266  * (b) uncertainty as to whether an entry will be included on a device
1267  *     with ROM support (and so an "active" ROM base address register),
1268  *     but no ROM actually installed.
1269  *
1270  * See the note below on vgatext_get_isa_reg_index for the reasons for
1271  * returning the offset.
1272  *
1273  * Note that this routine may not be fully general; it is intended for the
1274  * specific purpose of finding a couple of particular VGA reg entries and
1275  * may not be suitable for all reg-searching purposes.
1276  */
1277 static int
1278 vgatext_get_pci_reg_index(
1279         dev_info_t *const devi,
1280         unsigned long himask,
1281         unsigned long hival,
1282         unsigned long addr,
1283         off_t *offset)
1284 {
1285 
1286         int                     length, index;
1287         pci_regspec_t   *reg;
1288 
1289         if (ddi_getlongprop(DDI_DEV_T_ANY, devi, DDI_PROP_DONTPASS,
1290             "reg", (caddr_t)®, &length) != DDI_PROP_SUCCESS) {
1291                 return (-1);
1292         }
1293 
1294         for (index = 0; index < length / sizeof (pci_regspec_t); index++) {
1295                 if ((reg[index].pci_phys_hi & himask) != hival)
1296                         continue;
1297                 if (reg[index].pci_size_hi != 0)
1298                         continue;
1299                 if (reg[index].pci_phys_mid != 0)
1300                         continue;
1301                 if (reg[index].pci_phys_low > addr)
1302                         continue;
1303                 if (reg[index].pci_phys_low + reg[index].pci_size_low <= addr)
1304                         continue;
1305 
1306                 *offset = addr - reg[index].pci_phys_low;
1307                 kmem_free(reg, (size_t)length);
1308                 return (index);
1309         }
1310         kmem_free(reg, (size_t)length);
1311 
1312         return (-1);
1313 }
1314 
1315 /*
1316  * search the entries of the "reg" property for one which has the desired
1317  * combination of phys_hi bits and contains the desired address.
1318  *
1319  * This version searches a ISA-style "reg" property.  It was prompted by
1320  * issues surrounding 8514/A support.  By IEEE 1275 compatibility conventions,
1321  * 8514/A registers should have been added after all standard VGA registers.
1322  * Unfortunately, the Solaris/Intel device configuration framework
1323  * (a) lists the 8514/A registers before the video memory, and then
1324  * (b) also sorts the entries so that I/O entries come before memory
1325  *     entries.
1326  *
1327  * It returns the "reg" index and offset into that register set.
1328  * The offset is needed because there exist (broken?) BIOSes that
1329  * report larger ranges enclosing the standard ranges.  One reports
1330  * 0x3bf for 0x21 instead of 0x3c0 for 0x20, for instance.  Using the
1331  * offset adjusts for this difference in the base of the register set.
1332  *
1333  * Note that this routine may not be fully general; it is intended for the
1334  * specific purpose of finding a couple of particular VGA reg entries and
1335  * may not be suitable for all reg-searching purposes.
1336  */
1337 static int
1338 vgatext_get_isa_reg_index(
1339         dev_info_t *const devi,
1340         unsigned long hival,
1341         unsigned long addr,
1342         off_t *offset)
1343 {
1344 
1345         int             length, index;
1346         struct regspec  *reg;
1347 
1348         if (ddi_getlongprop(DDI_DEV_T_ANY, devi, DDI_PROP_DONTPASS,
1349             "reg", (caddr_t)®, &length) != DDI_PROP_SUCCESS) {
1350                 return (-1);
1351         }
1352 
1353         for (index = 0; index < length / sizeof (struct regspec); index++) {
1354                 if (reg[index].regspec_bustype != hival)
1355                         continue;
1356                 if (reg[index].regspec_addr > addr)
1357                         continue;
1358                 if (reg[index].regspec_addr + reg[index].regspec_size <= addr)
1359                         continue;
1360 
1361                 *offset = addr - reg[index].regspec_addr;
1362                 kmem_free(reg, (size_t)length);
1363                 return (index);
1364         }
1365         kmem_free(reg, (size_t)length);
1366 
1367         return (-1);
1368 }
1369 
1370 /*
1371  * This vgatext function is used to return the fb, and reg pointers
1372  * and handles for peer graphics drivers.
1373  */
1374 
1375 void
1376 vgatext_return_pointers(struct gfxp_fb_softc *softc, struct vgaregmap *fbs,
1377     struct vgaregmap *regss)
1378 {
1379 
1380         fbs->addr    = softc->console->vga.fb.addr;
1381         fbs->handle  = softc->console->vga.fb.handle;
1382         fbs->mapped  = softc->console->vga.fb.mapped;
1383         regss->addr  = softc->console->vga.regs.addr;
1384         regss->handle        = softc->console->vga.regs.handle;
1385         regss->mapped        = softc->console->vga.regs.mapped;
1386 }