| 1 | /* $NetBSD: vga.c,v 1.115 2015/03/01 07:05:59 mlelstv Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1995, 1996 Carnegie-Mellon University. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Author: Chris G. Demetriou |
| 8 | * |
| 9 | * Permission to use, copy, modify and distribute this software and |
| 10 | * its documentation is hereby granted, provided that both the copyright |
| 11 | * notice and this permission notice appear in all copies of the |
| 12 | * software, derivative works or modified versions, and any portions |
| 13 | * thereof, and that both notices appear in supporting documentation. |
| 14 | * |
| 15 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| 16 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND |
| 17 | * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| 18 | * |
| 19 | * Carnegie Mellon requests users of this software to return to |
| 20 | * |
| 21 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
| 22 | * School of Computer Science |
| 23 | * Carnegie Mellon University |
| 24 | * Pittsburgh PA 15213-3890 |
| 25 | * |
| 26 | * any improvements or extensions that they make and grant Carnegie the |
| 27 | * rights to redistribute these changes. |
| 28 | */ |
| 29 | |
| 30 | #include <sys/cdefs.h> |
| 31 | __KERNEL_RCSID(0, "$NetBSD: vga.c,v 1.115 2015/03/01 07:05:59 mlelstv Exp $" ); |
| 32 | |
| 33 | #include "opt_vga.h" |
| 34 | /* for WSCONS_SUPPORT_PCVTFONTS */ |
| 35 | #include "opt_wsdisplay_compat.h" |
| 36 | /* for WSDISPLAY_CUSTOM_BORDER */ |
| 37 | #include "opt_wsdisplay_border.h" |
| 38 | /* for WSDISPLAY_CUSTOM_OUTPUT */ |
| 39 | #include "opt_wsmsgattrs.h" |
| 40 | |
| 41 | #include <sys/param.h> |
| 42 | #include <sys/systm.h> |
| 43 | #include <sys/callout.h> |
| 44 | #include <sys/kernel.h> |
| 45 | #include <sys/device.h> |
| 46 | #include <sys/malloc.h> |
| 47 | #include <sys/queue.h> |
| 48 | #include <sys/bus.h> |
| 49 | |
| 50 | #include <dev/ic/mc6845reg.h> |
| 51 | #include <dev/ic/pcdisplayvar.h> |
| 52 | #include <dev/ic/vgareg.h> |
| 53 | #include <dev/ic/vgavar.h> |
| 54 | |
| 55 | #include <dev/wscons/wsdisplayvar.h> |
| 56 | #include <dev/wscons/wsconsio.h> |
| 57 | #include <dev/wscons/unicode.h> |
| 58 | #include <dev/wsfont/wsfont.h> |
| 59 | |
| 60 | #include <dev/ic/pcdisplay.h> |
| 61 | |
| 62 | int vga_no_builtinfont = 0; |
| 63 | |
| 64 | static struct wsdisplay_font _vga_builtinfont = { |
| 65 | "builtin" , /* typeface name */ |
| 66 | 0, /* firstchar */ |
| 67 | 256, /* numbers */ |
| 68 | WSDISPLAY_FONTENC_IBM, /* encoding */ |
| 69 | 8, /* width */ |
| 70 | 16, /* height */ |
| 71 | 1, /* stride */ |
| 72 | WSDISPLAY_FONTORDER_L2R, /* bit order */ |
| 73 | 0, /* byte order */ |
| 74 | NULL /* data */ |
| 75 | }; |
| 76 | |
| 77 | struct egavga_font { |
| 78 | struct wsdisplay_font *wsfont; |
| 79 | int cookie; /* wsfont handle, -1 invalid */ |
| 80 | int slot; /* in adapter RAM */ |
| 81 | int usecount; |
| 82 | TAILQ_ENTRY(egavga_font) next; /* LRU queue */ |
| 83 | }; |
| 84 | |
| 85 | static struct egavga_font vga_builtinfont = { |
| 86 | .wsfont = &_vga_builtinfont, |
| 87 | .cookie = -1, |
| 88 | .slot = 0, |
| 89 | }; |
| 90 | |
| 91 | #ifdef VGA_CONSOLE_SCREENTYPE |
| 92 | static struct egavga_font vga_consolefont; |
| 93 | #endif |
| 94 | |
| 95 | struct vgascreen { |
| 96 | struct pcdisplayscreen pcs; |
| 97 | |
| 98 | LIST_ENTRY(vgascreen) next; |
| 99 | |
| 100 | struct vga_config *cfg; |
| 101 | |
| 102 | /* videostate */ |
| 103 | struct egavga_font *fontset1, *fontset2; |
| 104 | /* font data */ |
| 105 | |
| 106 | int mindispoffset, maxdispoffset; |
| 107 | int vga_rollover; |
| 108 | int visibleoffset; |
| 109 | }; |
| 110 | |
| 111 | static int vgaconsole, vga_console_type, vga_console_attached; |
| 112 | static struct vgascreen vga_console_screen; |
| 113 | static struct vga_config vga_console_vc; |
| 114 | |
| 115 | static struct egavga_font *egavga_getfont(struct vga_config *, struct vgascreen *, |
| 116 | const char *, int); |
| 117 | static void egavga_unreffont(struct vga_config *, struct egavga_font *); |
| 118 | |
| 119 | static int vga_selectfont(struct vga_config *, struct vgascreen *, const char *, |
| 120 | const char *); |
| 121 | static void vga_init_screen(struct vga_config *, struct vgascreen *, |
| 122 | const struct wsscreen_descr *, int, long *); |
| 123 | static void vga_init(struct vga_config *, bus_space_tag_t, bus_space_tag_t); |
| 124 | static void vga_setfont(struct vga_config *, struct vgascreen *); |
| 125 | |
| 126 | static int vga_mapchar(void *, int, unsigned int *); |
| 127 | static void vga_putchar(void *, int, int, u_int, long); |
| 128 | static int vga_allocattr(void *, int, int, int, long *); |
| 129 | static void vga_copyrows(void *, int, int, int); |
| 130 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 131 | static void vga_scroll (void *, void *, int); |
| 132 | #endif |
| 133 | |
| 134 | const struct wsdisplay_emulops vga_emulops = { |
| 135 | pcdisplay_cursor, |
| 136 | vga_mapchar, |
| 137 | vga_putchar, |
| 138 | pcdisplay_copycols, |
| 139 | pcdisplay_erasecols, |
| 140 | vga_copyrows, |
| 141 | pcdisplay_eraserows, |
| 142 | vga_allocattr, |
| 143 | #ifdef WSDISPLAY_CUSTOM_OUTPUT |
| 144 | pcdisplay_replaceattr, |
| 145 | #else |
| 146 | NULL, |
| 147 | #endif |
| 148 | }; |
| 149 | |
| 150 | /* |
| 151 | * translate WS(=ANSI) color codes to standard pc ones |
| 152 | */ |
| 153 | static const unsigned char fgansitopc[] = { |
| 154 | #ifdef __alpha__ |
| 155 | /* |
| 156 | * XXX DEC HAS SWITCHED THE CODES FOR BLUE AND RED!!! |
| 157 | * XXX We should probably not bother with this |
| 158 | * XXX (reinitialize the palette registers). |
| 159 | */ |
| 160 | FG_BLACK, FG_BLUE, FG_GREEN, FG_CYAN, FG_RED, |
| 161 | FG_MAGENTA, FG_BROWN, FG_LIGHTGREY |
| 162 | #else |
| 163 | FG_BLACK, FG_RED, FG_GREEN, FG_BROWN, FG_BLUE, |
| 164 | FG_MAGENTA, FG_CYAN, FG_LIGHTGREY |
| 165 | #endif |
| 166 | }, bgansitopc[] = { |
| 167 | #ifdef __alpha__ |
| 168 | BG_BLACK, BG_BLUE, BG_GREEN, BG_CYAN, BG_RED, |
| 169 | BG_MAGENTA, BG_BROWN, BG_LIGHTGREY |
| 170 | #else |
| 171 | BG_BLACK, BG_RED, BG_GREEN, BG_BROWN, BG_BLUE, |
| 172 | BG_MAGENTA, BG_CYAN, BG_LIGHTGREY |
| 173 | #endif |
| 174 | }; |
| 175 | |
| 176 | const struct wsscreen_descr vga_25lscreen = { |
| 177 | "80x25" , 80, 25, |
| 178 | &vga_emulops, |
| 179 | 8, 16, |
| 180 | WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_BLINK, |
| 181 | NULL, |
| 182 | }, vga_25lscreen_mono = { |
| 183 | "80x25" , 80, 25, |
| 184 | &vga_emulops, |
| 185 | 8, 16, |
| 186 | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | WSSCREEN_BLINK | WSSCREEN_REVERSE, |
| 187 | NULL, |
| 188 | }, vga_25lscreen_bf = { |
| 189 | "80x25bf" , 80, 25, |
| 190 | &vga_emulops, |
| 191 | 8, 16, |
| 192 | WSSCREEN_WSCOLORS | WSSCREEN_BLINK, |
| 193 | NULL, |
| 194 | }, vga_40lscreen = { |
| 195 | "80x40" , 80, 40, |
| 196 | &vga_emulops, |
| 197 | 8, 10, |
| 198 | WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_BLINK, |
| 199 | NULL, |
| 200 | }, vga_40lscreen_mono = { |
| 201 | "80x40" , 80, 40, |
| 202 | &vga_emulops, |
| 203 | 8, 10, |
| 204 | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | WSSCREEN_BLINK | WSSCREEN_REVERSE, |
| 205 | NULL, |
| 206 | }, vga_40lscreen_bf = { |
| 207 | "80x40bf" , 80, 40, |
| 208 | &vga_emulops, |
| 209 | 8, 10, |
| 210 | WSSCREEN_WSCOLORS | WSSCREEN_BLINK, |
| 211 | NULL, |
| 212 | }, vga_50lscreen = { |
| 213 | "80x50" , 80, 50, |
| 214 | &vga_emulops, |
| 215 | 8, 8, |
| 216 | WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_BLINK, |
| 217 | NULL, |
| 218 | }, vga_50lscreen_mono = { |
| 219 | "80x50" , 80, 50, |
| 220 | &vga_emulops, |
| 221 | 8, 8, |
| 222 | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | WSSCREEN_BLINK | WSSCREEN_REVERSE, |
| 223 | NULL, |
| 224 | }, vga_50lscreen_bf = { |
| 225 | "80x50bf" , 80, 50, |
| 226 | &vga_emulops, |
| 227 | 8, 8, |
| 228 | WSSCREEN_WSCOLORS | WSSCREEN_BLINK, |
| 229 | NULL, |
| 230 | }, vga_24lscreen = { |
| 231 | "80x24" , 80, 24, |
| 232 | &vga_emulops, |
| 233 | 8, 16, |
| 234 | WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_BLINK, |
| 235 | NULL, |
| 236 | }, vga_24lscreen_mono = { |
| 237 | "80x24" , 80, 24, |
| 238 | &vga_emulops, |
| 239 | 8, 16, |
| 240 | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | WSSCREEN_BLINK | WSSCREEN_REVERSE, |
| 241 | NULL, |
| 242 | }, vga_24lscreen_bf = { |
| 243 | "80x24bf" , 80, 24, |
| 244 | &vga_emulops, |
| 245 | 8, 16, |
| 246 | WSSCREEN_WSCOLORS | WSSCREEN_BLINK, |
| 247 | NULL, |
| 248 | }; |
| 249 | |
| 250 | #define VGA_SCREEN_CANTWOFONTS(type) (!((type)->capabilities & WSSCREEN_HILIT)) |
| 251 | |
| 252 | const struct wsscreen_descr *_vga_scrlist[] = { |
| 253 | &vga_25lscreen, |
| 254 | &vga_25lscreen_bf, |
| 255 | &vga_40lscreen, |
| 256 | &vga_40lscreen_bf, |
| 257 | &vga_50lscreen, |
| 258 | &vga_50lscreen_bf, |
| 259 | &vga_24lscreen, |
| 260 | &vga_24lscreen_bf, |
| 261 | /* XXX other formats, graphics screen? */ |
| 262 | }, *_vga_scrlist_mono[] = { |
| 263 | &vga_25lscreen_mono, |
| 264 | &vga_40lscreen_mono, |
| 265 | &vga_50lscreen_mono, |
| 266 | &vga_24lscreen_mono, |
| 267 | /* XXX other formats, graphics screen? */ |
| 268 | }; |
| 269 | |
| 270 | const struct wsscreen_list vga_screenlist = { |
| 271 | sizeof(_vga_scrlist) / sizeof(struct wsscreen_descr *), |
| 272 | _vga_scrlist |
| 273 | }, vga_screenlist_mono = { |
| 274 | sizeof(_vga_scrlist_mono) / sizeof(struct wsscreen_descr *), |
| 275 | _vga_scrlist_mono |
| 276 | }; |
| 277 | |
| 278 | static int vga_ioctl(void *, void *, u_long, void *, int, struct lwp *); |
| 279 | static paddr_t vga_mmap(void *, void *, off_t, int); |
| 280 | static int vga_alloc_screen(void *, const struct wsscreen_descr *, |
| 281 | void **, int *, int *, long *); |
| 282 | static void vga_free_screen(void *, void *); |
| 283 | static int vga_show_screen(void *, void *, int, |
| 284 | void (*)(void *, int, int), void *); |
| 285 | static int vga_load_font(void *, void *, struct wsdisplay_font *); |
| 286 | #ifdef WSDISPLAY_CUSTOM_BORDER |
| 287 | static int vga_getborder(struct vga_config *, u_int *); |
| 288 | static int vga_setborder(struct vga_config *, u_int); |
| 289 | #endif /* WSDISPLAY_CUSTOM_BORDER */ |
| 290 | |
| 291 | static void vga_doswitch(struct vga_config *); |
| 292 | static void vga_save_palette(struct vga_config *); |
| 293 | static void vga_restore_palette(struct vga_config *); |
| 294 | |
| 295 | |
| 296 | const struct wsdisplay_accessops vga_accessops = { |
| 297 | vga_ioctl, |
| 298 | vga_mmap, |
| 299 | vga_alloc_screen, |
| 300 | vga_free_screen, |
| 301 | vga_show_screen, |
| 302 | vga_load_font, |
| 303 | NULL, |
| 304 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 305 | vga_scroll, |
| 306 | #else |
| 307 | NULL, |
| 308 | #endif |
| 309 | }; |
| 310 | |
| 311 | /* |
| 312 | * We want at least ASCII 32..127 be present in the |
| 313 | * first font slot. |
| 314 | */ |
| 315 | #define vga_valid_primary_font(f) \ |
| 316 | (f->wsfont->encoding == WSDISPLAY_FONTENC_IBM || \ |
| 317 | f->wsfont->encoding == WSDISPLAY_FONTENC_ISO || \ |
| 318 | f->wsfont->encoding == WSDISPLAY_FONTENC_ISO2 || \ |
| 319 | f->wsfont->encoding == WSDISPLAY_FONTENC_ISO7 || \ |
| 320 | f->wsfont->encoding == WSDISPLAY_FONTENC_KOI8_R) |
| 321 | |
| 322 | static struct egavga_font * |
| 323 | egavga_getfont(struct vga_config *vc, struct vgascreen *scr, const char *name, |
| 324 | int primary) |
| 325 | { |
| 326 | struct egavga_font *f; |
| 327 | int cookie; |
| 328 | struct wsdisplay_font *wf; |
| 329 | |
| 330 | TAILQ_FOREACH(f, &vc->vc_fontlist, next) { |
| 331 | if (wsfont_matches(f->wsfont, name, |
| 332 | 8, scr->pcs.type->fontheight, 0, WSFONT_FIND_BITMAP) && |
| 333 | (!primary || vga_valid_primary_font(f))) { |
| 334 | #ifdef VGAFONTDEBUG |
| 335 | if (scr != &vga_console_screen || vga_console_attached) |
| 336 | printf("vga_getfont: %s already present\n" , |
| 337 | name ? name : "<default>" ); |
| 338 | #endif |
| 339 | goto found; |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | cookie = wsfont_find(name, 8, scr->pcs.type->fontheight, 0, |
| 344 | WSDISPLAY_FONTORDER_L2R, 0, WSFONT_FIND_BITMAP); |
| 345 | /* XXX obey "primary" */ |
| 346 | if (cookie == -1) { |
| 347 | #ifdef VGAFONTDEBUG |
| 348 | if (scr != &vga_console_screen || vga_console_attached) |
| 349 | printf("vga_getfont: %s not found\n" , |
| 350 | name ? name : "<default>" ); |
| 351 | #endif |
| 352 | return (0); |
| 353 | } |
| 354 | |
| 355 | if (wsfont_lock(cookie, &wf)) |
| 356 | return (0); |
| 357 | |
| 358 | #ifdef VGA_CONSOLE_SCREENTYPE |
| 359 | if (scr == &vga_console_screen) |
| 360 | f = &vga_consolefont; |
| 361 | else |
| 362 | #endif |
| 363 | f = malloc(sizeof(struct egavga_font), M_DEVBUF, M_NOWAIT); |
| 364 | if (!f) { |
| 365 | wsfont_unlock(cookie); |
| 366 | return (0); |
| 367 | } |
| 368 | f->wsfont = wf; |
| 369 | f->cookie = cookie; |
| 370 | f->slot = -1; /* not yet loaded */ |
| 371 | f->usecount = 0; /* incremented below */ |
| 372 | TAILQ_INSERT_TAIL(&vc->vc_fontlist, f, next); |
| 373 | |
| 374 | found: |
| 375 | f->usecount++; |
| 376 | #ifdef VGAFONTDEBUG |
| 377 | if (scr != &vga_console_screen || vga_console_attached) |
| 378 | printf("vga_getfont: usecount=%d\n" , f->usecount); |
| 379 | #endif |
| 380 | return (f); |
| 381 | } |
| 382 | |
| 383 | static void |
| 384 | egavga_unreffont(struct vga_config *vc, struct egavga_font *f) |
| 385 | { |
| 386 | |
| 387 | f->usecount--; |
| 388 | #ifdef VGAFONTDEBUG |
| 389 | printf("vga_unreffont: usecount=%d\n" , f->usecount); |
| 390 | #endif |
| 391 | if (f->usecount == 0 && f->cookie != -1) { |
| 392 | TAILQ_REMOVE(&vc->vc_fontlist, f, next); |
| 393 | if (f->slot != -1) { |
| 394 | KASSERT(vc->vc_fonts[f->slot] == f); |
| 395 | vc->vc_fonts[f->slot] = 0; |
| 396 | } |
| 397 | wsfont_unlock(f->cookie); |
| 398 | #ifdef VGA_CONSOLE_SCREENTYPE |
| 399 | if (f != &vga_consolefont) |
| 400 | #endif |
| 401 | free(f, M_DEVBUF); |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | static int |
| 406 | vga_selectfont(struct vga_config *vc, struct vgascreen *scr, const char *name1, |
| 407 | const char *name2) |
| 408 | { |
| 409 | const struct wsscreen_descr *type = scr->pcs.type; |
| 410 | struct egavga_font *f1, *f2; |
| 411 | |
| 412 | f1 = egavga_getfont(vc, scr, name1, 1); |
| 413 | if (!f1) |
| 414 | return (ENXIO); |
| 415 | |
| 416 | if (VGA_SCREEN_CANTWOFONTS(type) && name2) { |
| 417 | f2 = egavga_getfont(vc, scr, name2, 0); |
| 418 | if (!f2) { |
| 419 | egavga_unreffont(vc, f1); |
| 420 | return (ENXIO); |
| 421 | } |
| 422 | } else |
| 423 | f2 = 0; |
| 424 | |
| 425 | #ifdef VGAFONTDEBUG |
| 426 | if (scr != &vga_console_screen || vga_console_attached) { |
| 427 | printf("vga (%s): font1=%s (slot %d)" , type->name, |
| 428 | f1->wsfont->name, f1->slot); |
| 429 | if (f2) |
| 430 | printf(", font2=%s (slot %d)" , |
| 431 | f2->wsfont->name, f2->slot); |
| 432 | printf("\n" ); |
| 433 | } |
| 434 | #endif |
| 435 | if (scr->fontset1) |
| 436 | egavga_unreffont(vc, scr->fontset1); |
| 437 | scr->fontset1 = f1; |
| 438 | if (scr->fontset2) |
| 439 | egavga_unreffont(vc, scr->fontset2); |
| 440 | scr->fontset2 = f2; |
| 441 | return (0); |
| 442 | } |
| 443 | |
| 444 | static void |
| 445 | vga_init_screen(struct vga_config *vc, struct vgascreen *scr, |
| 446 | const struct wsscreen_descr *type, int existing, long *attrp) |
| 447 | { |
| 448 | int cpos; |
| 449 | int res __diagused; |
| 450 | |
| 451 | scr->cfg = vc; |
| 452 | scr->pcs.hdl = (struct pcdisplay_handle *)&vc->hdl; |
| 453 | scr->pcs.type = type; |
| 454 | scr->pcs.active = existing; |
| 455 | scr->mindispoffset = 0; |
| 456 | if (vc->vc_quirks & VGA_QUIRK_NOFASTSCROLL) |
| 457 | scr->maxdispoffset = 0; |
| 458 | else |
| 459 | scr->maxdispoffset = 0x8000 - type->nrows * type->ncols * 2; |
| 460 | |
| 461 | if (existing) { |
| 462 | vc->active = scr; |
| 463 | |
| 464 | cpos = vga_6845_read(&vc->hdl, cursorh) << 8; |
| 465 | cpos |= vga_6845_read(&vc->hdl, cursorl); |
| 466 | |
| 467 | /* make sure we have a valid cursor position */ |
| 468 | if (cpos < 0 || cpos >= type->nrows * type->ncols) |
| 469 | cpos = 0; |
| 470 | |
| 471 | scr->pcs.dispoffset = vga_6845_read(&vc->hdl, startadrh) << 9; |
| 472 | scr->pcs.dispoffset |= vga_6845_read(&vc->hdl, startadrl) << 1; |
| 473 | |
| 474 | /* make sure we have a valid memory offset */ |
| 475 | if (scr->pcs.dispoffset < scr->mindispoffset || |
| 476 | scr->pcs.dispoffset > scr->maxdispoffset) |
| 477 | scr->pcs.dispoffset = scr->mindispoffset; |
| 478 | |
| 479 | if (type != vc->currenttype) { |
| 480 | vga_setscreentype(&vc->hdl, type); |
| 481 | vc->currenttype = type; |
| 482 | } |
| 483 | } else { |
| 484 | cpos = 0; |
| 485 | scr->pcs.dispoffset = scr->mindispoffset; |
| 486 | } |
| 487 | |
| 488 | scr->pcs.visibleoffset = scr->pcs.dispoffset; |
| 489 | scr->vga_rollover = 0; |
| 490 | |
| 491 | scr->pcs.cursorrow = cpos / type->ncols; |
| 492 | scr->pcs.cursorcol = cpos % type->ncols; |
| 493 | pcdisplay_cursor_init(&scr->pcs, existing); |
| 494 | |
| 495 | #ifdef __alpha__ |
| 496 | if (!vc->hdl.vh_mono) |
| 497 | /* |
| 498 | * DEC firmware uses a blue background. |
| 499 | * XXX These should be specified as kernel options for |
| 500 | * XXX alpha only, not hardcoded here (which is wrong |
| 501 | * XXX anyway because the emulation layer will assume |
| 502 | * XXX the default attribute is white on black). |
| 503 | */ |
| 504 | res = vga_allocattr(scr, WSCOL_WHITE, WSCOL_BLUE, |
| 505 | WSATTR_WSCOLORS, attrp); |
| 506 | else |
| 507 | #endif |
| 508 | res = vga_allocattr(scr, 0, 0, 0, attrp); |
| 509 | #ifdef DIAGNOSTIC |
| 510 | if (res) |
| 511 | panic("vga_init_screen: attribute botch" ); |
| 512 | #endif |
| 513 | |
| 514 | scr->pcs.mem = NULL; |
| 515 | |
| 516 | scr->fontset1 = scr->fontset2 = 0; |
| 517 | if (vga_selectfont(vc, scr, 0, 0)) { |
| 518 | if (scr == &vga_console_screen) |
| 519 | panic("vga_init_screen: no font" ); |
| 520 | else |
| 521 | printf("vga_init_screen: no font\n" ); |
| 522 | } |
| 523 | if (existing) |
| 524 | vga_setfont(vc, scr); |
| 525 | |
| 526 | vc->nscreens++; |
| 527 | LIST_INSERT_HEAD(&vc->screens, scr, next); |
| 528 | } |
| 529 | |
| 530 | static void |
| 531 | vga_init(struct vga_config *vc, bus_space_tag_t iot, bus_space_tag_t memt) |
| 532 | { |
| 533 | struct vga_handle *vh = &vc->hdl; |
| 534 | uint8_t mor; |
| 535 | int i; |
| 536 | |
| 537 | vh->vh_iot = iot; |
| 538 | vh->vh_memt = memt; |
| 539 | |
| 540 | if (bus_space_map(vh->vh_iot, 0x3c0, 0x10, 0, &vh->vh_ioh_vga)) |
| 541 | panic("vga_init: couldn't map vga io" ); |
| 542 | |
| 543 | /* read "misc output register" */ |
| 544 | mor = vga_raw_read(vh, VGA_MISC_DATAR); |
| 545 | vh->vh_mono = !(mor & 1); |
| 546 | |
| 547 | if (bus_space_map(vh->vh_iot, (vh->vh_mono ? 0x3b0 : 0x3d0), 0x10, 0, |
| 548 | &vh->vh_ioh_6845)) |
| 549 | panic("vga_init: couldn't map 6845 io" ); |
| 550 | |
| 551 | if (bus_space_map(vh->vh_memt, 0xa0000, 0x20000, 0, &vh->vh_allmemh)) |
| 552 | panic("vga_init: couldn't map memory" ); |
| 553 | |
| 554 | if (bus_space_subregion(vh->vh_memt, vh->vh_allmemh, |
| 555 | (vh->vh_mono ? 0x10000 : 0x18000), 0x8000, &vh->vh_memh)) |
| 556 | panic("vga_init: mem subrange failed" ); |
| 557 | |
| 558 | vc->nscreens = 0; |
| 559 | LIST_INIT(&vc->screens); |
| 560 | vc->active = NULL; |
| 561 | vc->currenttype = vh->vh_mono ? &vga_25lscreen_mono : &vga_25lscreen; |
| 562 | callout_init(&vc->vc_switch_callout, 0); |
| 563 | |
| 564 | wsfont_init(); |
| 565 | if (vga_no_builtinfont) { |
| 566 | struct wsdisplay_font *wf; |
| 567 | int cookie; |
| 568 | |
| 569 | cookie = wsfont_find(NULL, 8, 16, 0, |
| 570 | WSDISPLAY_FONTORDER_L2R, 0, WSFONT_FIND_BITMAP); |
| 571 | if (cookie == -1 || wsfont_lock(cookie, &wf)) |
| 572 | panic("vga_init: can't load console font" ); |
| 573 | vga_loadchars(&vc->hdl, 0, wf->firstchar, wf->numchars, |
| 574 | wf->fontheight, wf->data); |
| 575 | vga_builtinfont.wsfont = wf; |
| 576 | vga_builtinfont.cookie = cookie; |
| 577 | vga_builtinfont.slot = 0; |
| 578 | } |
| 579 | vc->vc_fonts[0] = &vga_builtinfont; |
| 580 | for (i = 1; i < 8; i++) |
| 581 | vc->vc_fonts[i] = 0; |
| 582 | TAILQ_INIT(&vc->vc_fontlist); |
| 583 | TAILQ_INSERT_HEAD(&vc->vc_fontlist, &vga_builtinfont, next); |
| 584 | |
| 585 | vc->currentfontset1 = vc->currentfontset2 = 0; |
| 586 | |
| 587 | if (!vh->vh_mono && (u_int)WSDISPLAY_BORDER_COLOR < sizeof(fgansitopc)) |
| 588 | _vga_attr_write(vh, VGA_ATC_OVERSCAN, |
| 589 | fgansitopc[WSDISPLAY_BORDER_COLOR]); |
| 590 | vga_save_palette(vc); |
| 591 | } |
| 592 | |
| 593 | void |
| 594 | vga_common_attach(struct vga_softc *sc, bus_space_tag_t iot, |
| 595 | bus_space_tag_t memt, int type, int quirks, |
| 596 | const struct vga_funcs *vf) |
| 597 | { |
| 598 | int console; |
| 599 | struct vga_config *vc; |
| 600 | struct wsemuldisplaydev_attach_args aa; |
| 601 | |
| 602 | console = vga_is_console(iot, type); |
| 603 | |
| 604 | if (console) { |
| 605 | vc = &vga_console_vc; |
| 606 | vga_console_attached = 1; |
| 607 | } else { |
| 608 | vc = malloc(sizeof(struct vga_config), M_DEVBUF, M_WAITOK); |
| 609 | vga_init(vc, iot, memt); |
| 610 | } |
| 611 | |
| 612 | if (quirks & VGA_QUIRK_ONEFONT) { |
| 613 | vc->vc_nfontslots = 1; |
| 614 | #ifndef VGA_CONSOLE_ATI_BROKEN_FONTSEL |
| 615 | /* |
| 616 | * XXX maybe invalidate font in slot > 0, but this can |
| 617 | * only be happen with VGA_CONSOLE_SCREENTYPE, and then |
| 618 | * we require VGA_CONSOLE_ATI_BROKEN_FONTSEL anyway. |
| 619 | */ |
| 620 | #endif |
| 621 | } else { |
| 622 | vc->vc_nfontslots = 8; |
| 623 | #ifndef VGA_CONSOLE_ATI_BROKEN_FONTSEL |
| 624 | /* |
| 625 | * XXX maybe validate builtin font shifted to slot 1 if |
| 626 | * slot 0 got overwritten because of VGA_CONSOLE_SCREENTYPE, |
| 627 | * but it will be reloaded anyway if needed. |
| 628 | */ |
| 629 | #endif |
| 630 | } |
| 631 | |
| 632 | /* |
| 633 | * Save the builtin font to memory. In case it got overwritten |
| 634 | * in console initialization, use the copy in slot 1. |
| 635 | */ |
| 636 | #ifdef VGA_CONSOLE_ATI_BROKEN_FONTSEL |
| 637 | #define BUILTINFONTLOC (vga_builtinfont.slot == -1 ? 1 : 0) |
| 638 | #else |
| 639 | KASSERT(vga_builtinfont.slot == 0); |
| 640 | #define BUILTINFONTLOC (0) |
| 641 | #endif |
| 642 | if (!vga_no_builtinfont) { |
| 643 | char *data = |
| 644 | malloc(256 * vga_builtinfont.wsfont->fontheight, |
| 645 | M_DEVBUF, M_WAITOK); |
| 646 | vga_readoutchars(&vc->hdl, BUILTINFONTLOC, 0, 256, |
| 647 | vga_builtinfont.wsfont->fontheight, data); |
| 648 | vga_builtinfont.wsfont->data = data; |
| 649 | } |
| 650 | |
| 651 | vc->vc_type = type; |
| 652 | vc->vc_funcs = vf; |
| 653 | vc->vc_quirks = quirks; |
| 654 | |
| 655 | sc->sc_vc = vc; |
| 656 | vc->softc = sc; |
| 657 | |
| 658 | aa.console = console; |
| 659 | aa.scrdata = (vc->hdl.vh_mono ? &vga_screenlist_mono : &vga_screenlist); |
| 660 | aa.accessops = &vga_accessops; |
| 661 | aa.accesscookie = vc; |
| 662 | |
| 663 | config_found_ia(sc->sc_dev, "wsemuldisplaydev" , &aa, wsemuldisplaydevprint); |
| 664 | } |
| 665 | |
| 666 | int |
| 667 | vga_cnattach(bus_space_tag_t iot, bus_space_tag_t memt, int type, int check) |
| 668 | { |
| 669 | long defattr; |
| 670 | const struct wsscreen_descr *scr; |
| 671 | |
| 672 | if (check && !vga_common_probe(iot, memt)) |
| 673 | return (ENXIO); |
| 674 | |
| 675 | /* set up bus-independent VGA configuration */ |
| 676 | vga_init(&vga_console_vc, iot, memt); |
| 677 | #ifdef VGA_CONSOLE_SCREENTYPE |
| 678 | scr = wsdisplay_screentype_pick(vga_console_vc.hdl.vh_mono ? |
| 679 | &vga_screenlist_mono : &vga_screenlist, VGA_CONSOLE_SCREENTYPE); |
| 680 | if (!scr) |
| 681 | panic("vga_cnattach: invalid screen type" ); |
| 682 | #else |
| 683 | scr = vga_console_vc.currenttype; |
| 684 | #endif |
| 685 | #ifdef VGA_CONSOLE_ATI_BROKEN_FONTSEL |
| 686 | /* |
| 687 | * On some (most/all?) ATI cards, only font slot 0 is usable. |
| 688 | * vga_init_screen() might need font slot 0 for a non-default |
| 689 | * console font, so save the builtin VGA font to another font slot. |
| 690 | * The attach() code will take care later. |
| 691 | */ |
| 692 | vga_console_vc.vc_quirks |= VGA_QUIRK_ONEFONT; /* redundant */ |
| 693 | vga_copyfont01(&vga_console_vc.hdl); |
| 694 | vga_console_vc.vc_nfontslots = 1; |
| 695 | #else |
| 696 | vga_console_vc.vc_nfontslots = 8; |
| 697 | #endif |
| 698 | #ifdef notdef |
| 699 | /* until we know better, assume "fast scrolling" does not work */ |
| 700 | vga_console_vc.vc_quirks |= VGA_QUIRK_NOFASTSCROLL; |
| 701 | #endif |
| 702 | |
| 703 | vga_init_screen(&vga_console_vc, &vga_console_screen, scr, 1, &defattr); |
| 704 | |
| 705 | wsdisplay_cnattach(scr, &vga_console_screen, |
| 706 | vga_console_screen.pcs.cursorcol, |
| 707 | vga_console_screen.pcs.cursorrow, defattr); |
| 708 | |
| 709 | vgaconsole = 1; |
| 710 | vga_console_type = type; |
| 711 | return (0); |
| 712 | } |
| 713 | |
| 714 | int |
| 715 | vga_cndetach(void) |
| 716 | { |
| 717 | struct vga_config *vc; |
| 718 | struct vga_handle *vh; |
| 719 | |
| 720 | vc = &vga_console_vc; |
| 721 | vh = &vc->hdl; |
| 722 | |
| 723 | if (vgaconsole) { |
| 724 | wsdisplay_cndetach(); |
| 725 | |
| 726 | bus_space_unmap(vh->vh_iot, vh->vh_ioh_vga, 0x10); |
| 727 | bus_space_unmap(vh->vh_iot, vh->vh_ioh_6845, 0x10); |
| 728 | bus_space_unmap(vh->vh_memt, vh->vh_allmemh, 0x20000); |
| 729 | |
| 730 | vga_console_attached = 0; |
| 731 | vgaconsole = 0; |
| 732 | |
| 733 | return 1; |
| 734 | } |
| 735 | |
| 736 | return 0; |
| 737 | } |
| 738 | |
| 739 | int |
| 740 | vga_is_console(bus_space_tag_t iot, int type) |
| 741 | { |
| 742 | if (vgaconsole && |
| 743 | !vga_console_attached && |
| 744 | bus_space_is_equal(iot, vga_console_vc.hdl.vh_iot) && |
| 745 | (vga_console_type == -1 || (type == vga_console_type))) |
| 746 | return (1); |
| 747 | return (0); |
| 748 | } |
| 749 | |
| 750 | static int |
| 751 | vga_get_video(struct vga_config *vc) |
| 752 | { |
| 753 | |
| 754 | return (vga_ts_read(&vc->hdl, mode) & VGA_TS_MODE_BLANK) == 0; |
| 755 | } |
| 756 | |
| 757 | static void |
| 758 | vga_set_video(struct vga_config *vc, int state) |
| 759 | { |
| 760 | int val; |
| 761 | |
| 762 | vga_ts_write(&vc->hdl, syncreset, 0x01); |
| 763 | if (state) { /* unblank screen */ |
| 764 | val = vga_ts_read(&vc->hdl, mode); |
| 765 | vga_ts_write(&vc->hdl, mode, val & ~VGA_TS_MODE_BLANK); |
| 766 | #ifndef VGA_NO_VBLANK |
| 767 | val = vga_6845_read(&vc->hdl, mode); |
| 768 | vga_6845_write(&vc->hdl, mode, val | 0x80); |
| 769 | #endif |
| 770 | } else { /* blank screen */ |
| 771 | val = vga_ts_read(&vc->hdl, mode); |
| 772 | vga_ts_write(&vc->hdl, mode, val | VGA_TS_MODE_BLANK); |
| 773 | #ifndef VGA_NO_VBLANK |
| 774 | val = vga_6845_read(&vc->hdl, mode); |
| 775 | vga_6845_write(&vc->hdl, mode, val & ~0x80); |
| 776 | #endif |
| 777 | } |
| 778 | vga_ts_write(&vc->hdl, syncreset, 0x03); |
| 779 | } |
| 780 | |
| 781 | static int |
| 782 | vga_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) |
| 783 | { |
| 784 | struct vga_config *vc = v; |
| 785 | struct vgascreen *scr = vs; |
| 786 | const struct vga_funcs *vf = vc->vc_funcs; |
| 787 | |
| 788 | switch (cmd) { |
| 789 | case WSDISPLAYIO_SMODE: |
| 790 | if (*(u_int *)data == WSDISPLAYIO_MODE_EMUL) |
| 791 | vga_restore_palette(vc); |
| 792 | return 0; |
| 793 | |
| 794 | case WSDISPLAYIO_GTYPE: |
| 795 | *(int *)data = vc->vc_type; |
| 796 | return 0; |
| 797 | |
| 798 | case WSDISPLAYIO_GINFO: |
| 799 | /* XXX should get detailed hardware information here */ |
| 800 | return EPASSTHROUGH; |
| 801 | |
| 802 | case WSDISPLAYIO_GVIDEO: |
| 803 | *(int *)data = (vga_get_video(vc) ? |
| 804 | WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF); |
| 805 | return 0; |
| 806 | |
| 807 | case WSDISPLAYIO_SVIDEO: |
| 808 | vga_set_video(vc, *(int *)data == WSDISPLAYIO_VIDEO_ON); |
| 809 | return 0; |
| 810 | |
| 811 | case WSDISPLAYIO_GETWSCHAR: |
| 812 | KASSERT(scr != NULL); |
| 813 | return pcdisplay_getwschar(&scr->pcs, |
| 814 | (struct wsdisplay_char *)data); |
| 815 | |
| 816 | case WSDISPLAYIO_PUTWSCHAR: |
| 817 | KASSERT(scr != NULL); |
| 818 | return pcdisplay_putwschar(&scr->pcs, |
| 819 | (struct wsdisplay_char *)data); |
| 820 | |
| 821 | #ifdef WSDISPLAY_CUSTOM_BORDER |
| 822 | case WSDISPLAYIO_GBORDER: |
| 823 | return (vga_getborder(vc, (u_int *)data)); |
| 824 | |
| 825 | case WSDISPLAYIO_SBORDER: |
| 826 | return (vga_setborder(vc, *(u_int *)data)); |
| 827 | #endif |
| 828 | |
| 829 | case WSDISPLAYIO_GETCMAP: |
| 830 | case WSDISPLAYIO_PUTCMAP: |
| 831 | case WSDISPLAYIO_GCURPOS: |
| 832 | case WSDISPLAYIO_SCURPOS: |
| 833 | case WSDISPLAYIO_GCURMAX: |
| 834 | case WSDISPLAYIO_GCURSOR: |
| 835 | case WSDISPLAYIO_SCURSOR: |
| 836 | /* NONE of these operations are by the generic VGA driver. */ |
| 837 | return EPASSTHROUGH; |
| 838 | } |
| 839 | |
| 840 | if (vc->vc_funcs == NULL) |
| 841 | return (EPASSTHROUGH); |
| 842 | |
| 843 | if (vf->vf_ioctl == NULL) |
| 844 | return (EPASSTHROUGH); |
| 845 | |
| 846 | return ((*vf->vf_ioctl)(v, cmd, data, flag, l)); |
| 847 | } |
| 848 | |
| 849 | static paddr_t |
| 850 | vga_mmap(void *v, void *vs, off_t offset, int prot) |
| 851 | { |
| 852 | struct vga_config *vc = v; |
| 853 | const struct vga_funcs *vf = vc->vc_funcs; |
| 854 | |
| 855 | if (vc->vc_funcs == NULL) |
| 856 | return (-1); |
| 857 | |
| 858 | if (vf->vf_mmap == NULL) |
| 859 | return (-1); |
| 860 | |
| 861 | return ((*vf->vf_mmap)(v, offset, prot)); |
| 862 | } |
| 863 | |
| 864 | static int |
| 865 | vga_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep, |
| 866 | int *curxp, int *curyp, long *defattrp) |
| 867 | { |
| 868 | struct vga_config *vc = v; |
| 869 | struct vgascreen *scr; |
| 870 | |
| 871 | if (vc->nscreens == 1) { |
| 872 | struct vgascreen *scr1 = vc->screens.lh_first; |
| 873 | /* |
| 874 | * When allocating the second screen, get backing store |
| 875 | * for the first one too. |
| 876 | * XXX We could be more clever and use video RAM. |
| 877 | */ |
| 878 | scr1->pcs.mem = |
| 879 | malloc(scr1->pcs.type->ncols * scr1->pcs.type->nrows * 2, |
| 880 | M_DEVBUF, M_WAITOK); |
| 881 | } |
| 882 | |
| 883 | scr = malloc(sizeof(struct vgascreen), M_DEVBUF, M_WAITOK); |
| 884 | vga_init_screen(vc, scr, type, vc->nscreens == 0, defattrp); |
| 885 | |
| 886 | if (vc->nscreens > 1) { |
| 887 | scr->pcs.mem = malloc(type->ncols * type->nrows * 2, |
| 888 | M_DEVBUF, M_WAITOK); |
| 889 | pcdisplay_eraserows(&scr->pcs, 0, type->nrows, *defattrp); |
| 890 | } |
| 891 | |
| 892 | *cookiep = scr; |
| 893 | *curxp = scr->pcs.cursorcol; |
| 894 | *curyp = scr->pcs.cursorrow; |
| 895 | |
| 896 | return (0); |
| 897 | } |
| 898 | |
| 899 | static void |
| 900 | vga_free_screen(void *v, void *cookie) |
| 901 | { |
| 902 | struct vgascreen *vs = cookie; |
| 903 | struct vga_config *vc = vs->cfg; |
| 904 | |
| 905 | LIST_REMOVE(vs, next); |
| 906 | vc->nscreens--; |
| 907 | if (vs->fontset1) |
| 908 | egavga_unreffont(vc, vs->fontset1); |
| 909 | if (vs->fontset2) |
| 910 | egavga_unreffont(vc, vs->fontset2); |
| 911 | |
| 912 | if (vs != &vga_console_screen) |
| 913 | free(vs, M_DEVBUF); |
| 914 | else |
| 915 | panic("vga_free_screen: console" ); |
| 916 | |
| 917 | if (vc->active == vs) |
| 918 | vc->active = 0; |
| 919 | } |
| 920 | |
| 921 | static void vga_usefont(struct vga_config *, struct egavga_font *); |
| 922 | |
| 923 | static void |
| 924 | vga_usefont(struct vga_config *vc, struct egavga_font *f) |
| 925 | { |
| 926 | int slot; |
| 927 | struct egavga_font *of; |
| 928 | |
| 929 | if (f->slot != -1) |
| 930 | goto toend; |
| 931 | |
| 932 | for (slot = 0; slot < vc->vc_nfontslots; slot++) { |
| 933 | if (!vc->vc_fonts[slot]) |
| 934 | goto loadit; |
| 935 | } |
| 936 | |
| 937 | /* have to kick out another one */ |
| 938 | TAILQ_FOREACH(of, &vc->vc_fontlist, next) { |
| 939 | if (of->slot != -1) { |
| 940 | KASSERT(vc->vc_fonts[of->slot] == of); |
| 941 | slot = of->slot; |
| 942 | of->slot = -1; |
| 943 | goto loadit; |
| 944 | } |
| 945 | } |
| 946 | panic("vga_usefont" ); |
| 947 | |
| 948 | loadit: |
| 949 | vga_loadchars(&vc->hdl, slot, f->wsfont->firstchar, |
| 950 | f->wsfont->numchars, f->wsfont->fontheight, f->wsfont->data); |
| 951 | f->slot = slot; |
| 952 | vc->vc_fonts[slot] = f; |
| 953 | |
| 954 | toend: |
| 955 | TAILQ_REMOVE(&vc->vc_fontlist, f, next); |
| 956 | TAILQ_INSERT_TAIL(&vc->vc_fontlist, f, next); |
| 957 | } |
| 958 | |
| 959 | static void |
| 960 | vga_setfont(struct vga_config *vc, struct vgascreen *scr) |
| 961 | { |
| 962 | int fontslot1, fontslot2; |
| 963 | |
| 964 | if (scr->fontset1) |
| 965 | vga_usefont(vc, scr->fontset1); |
| 966 | if (scr->fontset2) |
| 967 | vga_usefont(vc, scr->fontset2); |
| 968 | |
| 969 | fontslot1 = (scr->fontset1 ? scr->fontset1->slot : 0); |
| 970 | fontslot2 = (scr->fontset2 ? scr->fontset2->slot : fontslot1); |
| 971 | if (vc->currentfontset1 != fontslot1 || |
| 972 | vc->currentfontset2 != fontslot2) { |
| 973 | vga_setfontset(&vc->hdl, fontslot1, fontslot2); |
| 974 | vc->currentfontset1 = fontslot1; |
| 975 | vc->currentfontset2 = fontslot2; |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | static int |
| 980 | vga_show_screen(void *v, void *cookie, int waitok, |
| 981 | void (*cb)(void *, int, int), void *cbarg) |
| 982 | { |
| 983 | struct vgascreen *scr = cookie, *oldscr; |
| 984 | struct vga_config *vc = scr->cfg; |
| 985 | |
| 986 | oldscr = vc->active; /* can be NULL! */ |
| 987 | if (scr == oldscr) { |
| 988 | return (0); |
| 989 | } |
| 990 | |
| 991 | vc->wantedscreen = cookie; |
| 992 | vc->switchcb = cb; |
| 993 | vc->switchcbarg = cbarg; |
| 994 | if (cb) { |
| 995 | callout_reset(&vc->vc_switch_callout, 0, |
| 996 | (void(*)(void *))vga_doswitch, vc); |
| 997 | return (EAGAIN); |
| 998 | } |
| 999 | |
| 1000 | vga_doswitch(vc); |
| 1001 | return (0); |
| 1002 | } |
| 1003 | |
| 1004 | static void |
| 1005 | vga_doswitch(struct vga_config *vc) |
| 1006 | { |
| 1007 | struct vgascreen *scr, *oldscr; |
| 1008 | struct vga_handle *vh = &vc->hdl; |
| 1009 | const struct wsscreen_descr *type; |
| 1010 | |
| 1011 | scr = vc->wantedscreen; |
| 1012 | if (!scr) { |
| 1013 | printf("vga_doswitch: disappeared\n" ); |
| 1014 | (*vc->switchcb)(vc->switchcbarg, EIO, 0); |
| 1015 | return; |
| 1016 | } |
| 1017 | type = scr->pcs.type; |
| 1018 | oldscr = vc->active; /* can be NULL! */ |
| 1019 | #ifdef DIAGNOSTIC |
| 1020 | if (oldscr) { |
| 1021 | if (!oldscr->pcs.active) |
| 1022 | panic("vga_show_screen: not active" ); |
| 1023 | if (oldscr->pcs.type != vc->currenttype) |
| 1024 | panic("vga_show_screen: bad type" ); |
| 1025 | } |
| 1026 | #endif |
| 1027 | if (scr == oldscr) { |
| 1028 | return; |
| 1029 | } |
| 1030 | #ifdef DIAGNOSTIC |
| 1031 | if (scr->pcs.active) |
| 1032 | panic("vga_show_screen: active" ); |
| 1033 | #endif |
| 1034 | |
| 1035 | if (oldscr) { |
| 1036 | const struct wsscreen_descr *oldtype = oldscr->pcs.type; |
| 1037 | |
| 1038 | oldscr->pcs.active = 0; |
| 1039 | bus_space_read_region_2(vh->vh_memt, vh->vh_memh, |
| 1040 | oldscr->pcs.dispoffset, oldscr->pcs.mem, |
| 1041 | oldtype->ncols * oldtype->nrows); |
| 1042 | } |
| 1043 | |
| 1044 | if (vc->currenttype != type) { |
| 1045 | vga_setscreentype(vh, type); |
| 1046 | vc->currenttype = type; |
| 1047 | } |
| 1048 | |
| 1049 | vga_setfont(vc, scr); |
| 1050 | vga_restore_palette(vc); |
| 1051 | |
| 1052 | scr->pcs.visibleoffset = scr->pcs.dispoffset = scr->mindispoffset; |
| 1053 | if (!oldscr || (scr->pcs.dispoffset != oldscr->pcs.dispoffset)) { |
| 1054 | vga_6845_write(vh, startadrh, scr->pcs.dispoffset >> 9); |
| 1055 | vga_6845_write(vh, startadrl, scr->pcs.dispoffset >> 1); |
| 1056 | } |
| 1057 | |
| 1058 | bus_space_write_region_2(vh->vh_memt, vh->vh_memh, |
| 1059 | scr->pcs.dispoffset, scr->pcs.mem, type->ncols * type->nrows); |
| 1060 | scr->pcs.active = 1; |
| 1061 | |
| 1062 | vc->active = scr; |
| 1063 | |
| 1064 | pcdisplay_cursor(&scr->pcs, scr->pcs.cursoron, |
| 1065 | scr->pcs.cursorrow, scr->pcs.cursorcol); |
| 1066 | |
| 1067 | vc->wantedscreen = 0; |
| 1068 | if (vc->switchcb) |
| 1069 | (*vc->switchcb)(vc->switchcbarg, 0, 0); |
| 1070 | } |
| 1071 | |
| 1072 | static int |
| 1073 | vga_load_font(void *v, void *cookie, struct wsdisplay_font *data) |
| 1074 | { |
| 1075 | struct vga_config *vc = v; |
| 1076 | struct vgascreen *scr = cookie; |
| 1077 | char *name2; |
| 1078 | int res; |
| 1079 | |
| 1080 | if (scr) { |
| 1081 | name2 = NULL; |
| 1082 | if (data->name) { |
| 1083 | name2 = strchr(data->name, ','); |
| 1084 | if (name2) |
| 1085 | *name2++ = '\0'; |
| 1086 | } |
| 1087 | res = vga_selectfont(vc, scr, data->name, name2); |
| 1088 | if (!res && scr->pcs.active) |
| 1089 | vga_setfont(vc, scr); |
| 1090 | return (res); |
| 1091 | } |
| 1092 | |
| 1093 | return (0); |
| 1094 | } |
| 1095 | |
| 1096 | static int |
| 1097 | vga_allocattr(void *id, int fg, int bg, int flags, long *attrp) |
| 1098 | { |
| 1099 | struct vgascreen *scr = id; |
| 1100 | struct vga_config *vc = scr->cfg; |
| 1101 | |
| 1102 | if (__predict_false((unsigned int)fg >= sizeof(fgansitopc) || |
| 1103 | (unsigned int)bg >= sizeof(bgansitopc))) |
| 1104 | return (EINVAL); |
| 1105 | |
| 1106 | if (vc->hdl.vh_mono) { |
| 1107 | if (flags & WSATTR_WSCOLORS) |
| 1108 | return (EINVAL); |
| 1109 | if (flags & WSATTR_REVERSE) |
| 1110 | *attrp = 0x70; |
| 1111 | else |
| 1112 | *attrp = 0x07; |
| 1113 | if (flags & WSATTR_UNDERLINE) |
| 1114 | *attrp |= FG_UNDERLINE; |
| 1115 | if (flags & WSATTR_HILIT) |
| 1116 | *attrp |= FG_INTENSE; |
| 1117 | } else { |
| 1118 | if (flags & (WSATTR_UNDERLINE | WSATTR_REVERSE)) |
| 1119 | return (EINVAL); |
| 1120 | if (flags & WSATTR_WSCOLORS) |
| 1121 | *attrp = fgansitopc[fg] | bgansitopc[bg]; |
| 1122 | else |
| 1123 | *attrp = 7; |
| 1124 | if (flags & WSATTR_HILIT) |
| 1125 | *attrp += 8; |
| 1126 | } |
| 1127 | if (flags & WSATTR_BLINK) |
| 1128 | *attrp |= FG_BLINK; |
| 1129 | return (0); |
| 1130 | } |
| 1131 | |
| 1132 | static void |
| 1133 | vga_copyrows(void *id, int srcrow, int dstrow, int nrows) |
| 1134 | { |
| 1135 | struct vgascreen *scr = id; |
| 1136 | bus_space_tag_t memt = scr->pcs.hdl->ph_memt; |
| 1137 | bus_space_handle_t memh = scr->pcs.hdl->ph_memh; |
| 1138 | int ncols = scr->pcs.type->ncols; |
| 1139 | bus_size_t srcoff, dstoff; |
| 1140 | |
| 1141 | srcoff = srcrow * ncols + 0; |
| 1142 | dstoff = dstrow * ncols + 0; |
| 1143 | |
| 1144 | if (scr->pcs.active) { |
| 1145 | if (dstrow == 0 && (srcrow + nrows == scr->pcs.type->nrows)) { |
| 1146 | #ifdef PCDISPLAY_SOFTCURSOR |
| 1147 | int cursoron = scr->pcs.cursoron; |
| 1148 | |
| 1149 | if (cursoron) |
| 1150 | pcdisplay_cursor(&scr->pcs, 0, |
| 1151 | scr->pcs.cursorrow, scr->pcs.cursorcol); |
| 1152 | #endif |
| 1153 | /* scroll up whole screen */ |
| 1154 | if ((scr->pcs.dispoffset + srcrow * ncols * 2) |
| 1155 | <= scr->maxdispoffset) { |
| 1156 | scr->pcs.dispoffset += srcrow * ncols * 2; |
| 1157 | } else { |
| 1158 | bus_space_copy_region_2(memt, memh, |
| 1159 | scr->pcs.dispoffset + srcoff * 2, |
| 1160 | memh, scr->mindispoffset, nrows * ncols); |
| 1161 | scr->pcs.dispoffset = scr->mindispoffset; |
| 1162 | } |
| 1163 | vga_6845_write(&scr->cfg->hdl, startadrh, |
| 1164 | scr->pcs.dispoffset >> 9); |
| 1165 | vga_6845_write(&scr->cfg->hdl, startadrl, |
| 1166 | scr->pcs.dispoffset >> 1); |
| 1167 | #ifdef PCDISPLAY_SOFTCURSOR |
| 1168 | if (cursoron) |
| 1169 | pcdisplay_cursor(&scr->pcs, 1, |
| 1170 | scr->pcs.cursorrow, scr->pcs.cursorcol); |
| 1171 | #endif |
| 1172 | } else { |
| 1173 | bus_space_copy_region_2(memt, memh, |
| 1174 | scr->pcs.dispoffset + srcoff * 2, |
| 1175 | memh, scr->pcs.dispoffset + dstoff * 2, |
| 1176 | nrows * ncols); |
| 1177 | } |
| 1178 | } else |
| 1179 | memcpy(&scr->pcs.mem[dstoff], &scr->pcs.mem[srcoff], |
| 1180 | nrows * ncols * 2); |
| 1181 | } |
| 1182 | |
| 1183 | #ifdef WSCONS_SUPPORT_PCVTFONTS |
| 1184 | |
| 1185 | #define NOTYET 0xffff |
| 1186 | static const uint16_t pcvt_unichars[0xa0] = { |
| 1187 | /* 0 */ _e006U, /* N/L control */ |
| 1188 | NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, |
| 1189 | NOTYET, |
| 1190 | 0x2409, /* SYMBOL FOR HORIZONTAL TABULATION */ |
| 1191 | 0x240a, /* SYMBOL FOR LINE FEED */ |
| 1192 | 0x240b, /* SYMBOL FOR VERTICAL TABULATION */ |
| 1193 | 0x240c, /* SYMBOL FOR FORM FEED */ |
| 1194 | 0x240d, /* SYMBOL FOR CARRIAGE RETURN */ |
| 1195 | NOTYET, NOTYET, |
| 1196 | /* 1 */ NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, |
| 1197 | NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, |
| 1198 | /* 2 */ NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, |
| 1199 | NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, |
| 1200 | /* 3 */ NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, |
| 1201 | NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, NOTYET, |
| 1202 | /* 4 */ 0x03c1, /* GREEK SMALL LETTER RHO */ |
| 1203 | 0x03c8, /* GREEK SMALL LETTER PSI */ |
| 1204 | 0x2202, /* PARTIAL DIFFERENTIAL */ |
| 1205 | 0x03bb, /* GREEK SMALL LETTER LAMDA */ |
| 1206 | 0x03b9, /* GREEK SMALL LETTER IOTA */ |
| 1207 | 0x03b7, /* GREEK SMALL LETTER ETA */ |
| 1208 | 0x03b5, /* GREEK SMALL LETTER EPSILON */ |
| 1209 | 0x03c7, /* GREEK SMALL LETTER CHI */ |
| 1210 | 0x2228, /* LOGICAL OR */ |
| 1211 | 0x2227, /* LOGICAL AND */ |
| 1212 | 0x222a, /* UNION */ |
| 1213 | 0x2283, /* SUPERSET OF */ |
| 1214 | 0x2282, /* SUBSET OF */ |
| 1215 | 0x03a5, /* GREEK CAPITAL LETTER UPSILON */ |
| 1216 | 0x039e, /* GREEK CAPITAL LETTER XI */ |
| 1217 | 0x03a8, /* GREEK CAPITAL LETTER PSI */ |
| 1218 | /* 5 */ 0x03a0, /* GREEK CAPITAL LETTER PI */ |
| 1219 | 0x21d2, /* RIGHTWARDS DOUBLE ARROW */ |
| 1220 | 0x21d4, /* LEFT RIGHT DOUBLE ARROW */ |
| 1221 | 0x039b, /* GREEK CAPITAL LETTER LAMDA */ |
| 1222 | 0x0398, /* GREEK CAPITAL LETTER THETA */ |
| 1223 | 0x2243, /* ASYMPTOTICALLY EQUAL TO */ |
| 1224 | 0x2207, /* NABLA */ |
| 1225 | 0x2206, /* INCREMENT */ |
| 1226 | 0x221d, /* PROPORTIONAL TO */ |
| 1227 | 0x2234, /* THEREFORE */ |
| 1228 | 0x222b, /* INTEGRAL */ |
| 1229 | 0x2215, /* DIVISION SLASH */ |
| 1230 | 0x2216, /* SET MINUS */ |
| 1231 | _e00eU, /* angle? */ |
| 1232 | _e00dU, /* inverted angle? */ |
| 1233 | _e00bU, /* braceleftmid */ |
| 1234 | /* 6 */ _e00cU, /* bracerightmid */ |
| 1235 | _e007U, /* bracelefttp */ |
| 1236 | _e008U, /* braceleftbt */ |
| 1237 | _e009U, /* bracerighttp */ |
| 1238 | _e00aU, /* bracerightbt */ |
| 1239 | 0x221a, /* SQUARE ROOT */ |
| 1240 | 0x03c9, /* GREEK SMALL LETTER OMEGA */ |
| 1241 | 0x00a5, /* YEN SIGN */ |
| 1242 | 0x03be, /* GREEK SMALL LETTER XI */ |
| 1243 | 0x00fd, /* LATIN SMALL LETTER Y WITH ACUTE */ |
| 1244 | 0x00fe, /* LATIN SMALL LETTER THORN */ |
| 1245 | 0x00f0, /* LATIN SMALL LETTER ETH */ |
| 1246 | 0x00de, /* LATIN CAPITAL LETTER THORN */ |
| 1247 | 0x00dd, /* LATIN CAPITAL LETTER Y WITH ACUTE */ |
| 1248 | 0x00d7, /* MULTIPLICATION SIGN */ |
| 1249 | 0x00d0, /* LATIN CAPITAL LETTER ETH */ |
| 1250 | /* 7 */ 0x00be, /* VULGAR FRACTION THREE QUARTERS */ |
| 1251 | 0x00b8, /* CEDILLA */ |
| 1252 | 0x00b4, /* ACUTE ACCENT */ |
| 1253 | 0x00af, /* MACRON */ |
| 1254 | 0x00ae, /* REGISTERED SIGN */ |
| 1255 | 0x00ad, /* SOFT HYPHEN */ |
| 1256 | 0x00ac, /* NOT SIGN */ |
| 1257 | 0x00a8, /* DIAERESIS */ |
| 1258 | 0x2260, /* NOT EQUAL TO */ |
| 1259 | 0x23bd, /* scan 9 */ |
| 1260 | 0x23bc, /* scan 7 */ |
| 1261 | 0x2500, /* scan 5 */ |
| 1262 | 0x23bb, /* scan 3 */ |
| 1263 | 0x23ba, /* scan 1 */ |
| 1264 | 0x03c5, /* GREEK SMALL LETTER UPSILON */ |
| 1265 | 0x00f8, /* LATIN SMALL LETTER O WITH STROKE */ |
| 1266 | /* 8 */ 0x0153, /* LATIN SMALL LIGATURE OE */ |
| 1267 | 0x00f5, /* LATIN SMALL LETTER O WITH TILDE !!!doc bug */ |
| 1268 | 0x00e3, /* LATIN SMALL LETTER A WITH TILDE */ |
| 1269 | 0x0178, /* LATIN CAPITAL LETTER Y WITH DIAERESIS */ |
| 1270 | 0x00db, /* LATIN CAPITAL LETTER U WITH CIRCUMFLEX */ |
| 1271 | 0x00da, /* LATIN CAPITAL LETTER U WITH ACUTE */ |
| 1272 | 0x00d9, /* LATIN CAPITAL LETTER U WITH GRAVE */ |
| 1273 | 0x00d8, /* LATIN CAPITAL LETTER O WITH STROKE */ |
| 1274 | 0x0152, /* LATIN CAPITAL LIGATURE OE */ |
| 1275 | 0x00d5, /* LATIN CAPITAL LETTER O WITH TILDE */ |
| 1276 | 0x00d4, /* LATIN CAPITAL LETTER O WITH CIRCUMFLEX */ |
| 1277 | 0x00d3, /* LATIN CAPITAL LETTER O WITH ACUTE */ |
| 1278 | 0x00d2, /* LATIN CAPITAL LETTER O WITH GRAVE */ |
| 1279 | 0x00cf, /* LATIN CAPITAL LETTER I WITH DIAERESIS */ |
| 1280 | 0x00ce, /* LATIN CAPITAL LETTER I WITH CIRCUMFLEX */ |
| 1281 | 0x00cd, /* LATIN CAPITAL LETTER I WITH ACUTE */ |
| 1282 | /* 9 */ 0x00cc, /* LATIN CAPITAL LETTER I WITH GRAVE */ |
| 1283 | 0x00cb, /* LATIN CAPITAL LETTER E WITH DIAERESIS */ |
| 1284 | 0x00ca, /* LATIN CAPITAL LETTER E WITH CIRCUMFLEX */ |
| 1285 | 0x00c8, /* LATIN CAPITAL LETTER E WITH GRAVE */ |
| 1286 | 0x00c3, /* LATIN CAPITAL LETTER A WITH TILDE */ |
| 1287 | 0x00c2, /* LATIN CAPITAL LETTER A WITH CIRCUMFLEX */ |
| 1288 | 0x00c1, /* LATIN CAPITAL LETTER A WITH ACUTE */ |
| 1289 | 0x00c0, /* LATIN CAPITAL LETTER A WITH GRAVE */ |
| 1290 | 0x00b9, /* SUPERSCRIPT ONE */ |
| 1291 | 0x00b7, /* MIDDLE DOT */ |
| 1292 | 0x03b6, /* GREEK SMALL LETTER ZETA */ |
| 1293 | 0x00b3, /* SUPERSCRIPT THREE */ |
| 1294 | 0x00a9, /* COPYRIGHT SIGN */ |
| 1295 | 0x00a4, /* CURRENCY SIGN */ |
| 1296 | 0x03ba, /* GREEK SMALL LETTER KAPPA */ |
| 1297 | _e000U /* mirrored question mark? */ |
| 1298 | }; |
| 1299 | |
| 1300 | static int vga_pcvt_mapchar(int, u_int *); |
| 1301 | |
| 1302 | static int |
| 1303 | vga_pcvt_mapchar(int uni, u_int *index) |
| 1304 | { |
| 1305 | int i; |
| 1306 | |
| 1307 | for (i = 0; i < 0xa0; i++) /* 0xa0..0xff are reserved */ |
| 1308 | if (uni == pcvt_unichars[i]) { |
| 1309 | *index = i; |
| 1310 | return (5); |
| 1311 | } |
| 1312 | *index = 0x99; /* middle dot */ |
| 1313 | return (0); |
| 1314 | } |
| 1315 | |
| 1316 | #endif /* WSCONS_SUPPORT_PCVTFONTS */ |
| 1317 | |
| 1318 | #ifdef WSCONS_SUPPORT_ISO7FONTS |
| 1319 | |
| 1320 | static int |
| 1321 | vga_iso7_mapchar(int uni, u_int *index) |
| 1322 | { |
| 1323 | |
| 1324 | /* |
| 1325 | * U+0384 (GREEK TONOS) to |
| 1326 | * U+03ce (GREEK SMALL LETTER OMEGA WITH TONOS) |
| 1327 | * map directly to the iso-9 font |
| 1328 | */ |
| 1329 | if (uni >= 0x0384 && uni <= 0x03ce) { |
| 1330 | /* U+0384 is at offset 0xb4 in the font */ |
| 1331 | *index = uni - 0x0384 + 0xb4; |
| 1332 | return (5); |
| 1333 | } |
| 1334 | |
| 1335 | /* XXX more chars in the iso-9 font */ |
| 1336 | |
| 1337 | *index = 0xa4; /* shaded rectangle */ |
| 1338 | return (0); |
| 1339 | } |
| 1340 | |
| 1341 | #endif /* WSCONS_SUPPORT_ISO7FONTS */ |
| 1342 | |
| 1343 | static const uint16_t iso2_unichars[0x60] = { |
| 1344 | 0x00A0, 0x0104, 0x02D8, 0x0141, 0x00A4, 0x013D, 0x015A, 0x00A7, |
| 1345 | 0x00A8, 0x0160, 0x015E, 0x0164, 0x0179, 0x00AD, 0x017D, 0x017B, |
| 1346 | 0x00B0, 0x0105, 0x02DB, 0x0142, 0x00B4, 0x013E, 0x015B, 0x02C7, |
| 1347 | 0x00B8, 0x0161, 0x015F, 0x0165, 0x017A, 0x02DD, 0x017E, 0x017C, |
| 1348 | 0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7, |
| 1349 | 0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E, |
| 1350 | 0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7, |
| 1351 | 0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF, |
| 1352 | 0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7, |
| 1353 | 0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F, |
| 1354 | 0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7, |
| 1355 | 0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9 |
| 1356 | }; |
| 1357 | |
| 1358 | static const uint16_t koi8_unichars[0x40] = { |
| 1359 | 0x044E, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433, |
| 1360 | 0x0445, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, |
| 1361 | 0x043F, 0x044F, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432, |
| 1362 | 0x044C, 0x044B, 0x0437, 0x0448, 0x044D, 0x0449, 0x0447, 0x044A, |
| 1363 | 0x042E, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413, |
| 1364 | 0x0425, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, |
| 1365 | 0x041F, 0x042F, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412, |
| 1366 | 0x042C, 0x042B, 0x0417, 0x0428, 0x042D, 0x0429, 0x0427, 0x042A |
| 1367 | }; |
| 1368 | |
| 1369 | static int _vga_mapchar(void *, const struct egavga_font *, int, u_int *); |
| 1370 | |
| 1371 | static int |
| 1372 | _vga_mapchar(void *id, const struct egavga_font *font, int uni, u_int *index) |
| 1373 | { |
| 1374 | |
| 1375 | switch (font->wsfont->encoding) { |
| 1376 | case WSDISPLAY_FONTENC_ISO: |
| 1377 | if (uni < 256) { |
| 1378 | *index = uni; |
| 1379 | return (5); |
| 1380 | } else { |
| 1381 | *index = ' '; |
| 1382 | return (0); |
| 1383 | } |
| 1384 | case WSDISPLAY_FONTENC_ISO2: |
| 1385 | if (uni < 0xa0) { |
| 1386 | *index = uni; |
| 1387 | return (5); |
| 1388 | } else { |
| 1389 | int i; |
| 1390 | for (i = 0; i < 0x60; i++) { |
| 1391 | if (uni == iso2_unichars[i]) { |
| 1392 | *index = i + 0xa0; |
| 1393 | return (5); |
| 1394 | } |
| 1395 | } |
| 1396 | *index = 0xa4; /* currency sign */ |
| 1397 | return (0); |
| 1398 | } |
| 1399 | case WSDISPLAY_FONTENC_KOI8_R: |
| 1400 | if (uni < 0x80) { |
| 1401 | *index = uni; |
| 1402 | return (5); |
| 1403 | } else { |
| 1404 | int i; |
| 1405 | for (i = 0; i < 0x40; i++) { |
| 1406 | if (uni == koi8_unichars[i]) { |
| 1407 | *index = i + 0xc0; |
| 1408 | return (5); |
| 1409 | } |
| 1410 | } |
| 1411 | *index = 0x94; /* box */ |
| 1412 | return (0); |
| 1413 | } |
| 1414 | case WSDISPLAY_FONTENC_IBM: |
| 1415 | return (pcdisplay_mapchar(id, uni, index)); |
| 1416 | #ifdef WSCONS_SUPPORT_PCVTFONTS |
| 1417 | case WSDISPLAY_FONTENC_PCVT: |
| 1418 | return (vga_pcvt_mapchar(uni, index)); |
| 1419 | #endif |
| 1420 | #ifdef WSCONS_SUPPORT_ISO7FONTS |
| 1421 | case WSDISPLAY_FONTENC_ISO7: |
| 1422 | return (vga_iso7_mapchar(uni, index)); |
| 1423 | #endif |
| 1424 | default: |
| 1425 | #ifdef VGAFONTDEBUG |
| 1426 | printf("_vga_mapchar: encoding=%d\n" , font->wsfont->encoding); |
| 1427 | #endif |
| 1428 | *index = ' '; |
| 1429 | return (0); |
| 1430 | } |
| 1431 | } |
| 1432 | |
| 1433 | static int |
| 1434 | vga_mapchar(void *id, int uni, u_int *index) |
| 1435 | { |
| 1436 | struct vgascreen *scr = id; |
| 1437 | u_int idx1, idx2; |
| 1438 | int res1, res2; |
| 1439 | |
| 1440 | res1 = 0; |
| 1441 | idx1 = ' '; /* space */ |
| 1442 | if (scr->fontset1) |
| 1443 | res1 = _vga_mapchar(id, scr->fontset1, uni, &idx1); |
| 1444 | res2 = -1; |
| 1445 | if (scr->fontset2) { |
| 1446 | KASSERT(VGA_SCREEN_CANTWOFONTS(scr->pcs.type)); |
| 1447 | res2 = _vga_mapchar(id, scr->fontset2, uni, &idx2); |
| 1448 | } |
| 1449 | if (res2 > res1) { |
| 1450 | *index = idx2 | 0x0800; /* attribute bit 3 */ |
| 1451 | return (res2); |
| 1452 | } |
| 1453 | *index = idx1; |
| 1454 | return (res1); |
| 1455 | } |
| 1456 | |
| 1457 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 1458 | static void |
| 1459 | vga_scroll(void *v, void *cookie, int lines) |
| 1460 | { |
| 1461 | struct vga_config *vc = v; |
| 1462 | struct vgascreen *scr = cookie; |
| 1463 | struct vga_handle *vh = &vc->hdl; |
| 1464 | |
| 1465 | if (lines == 0) { |
| 1466 | if (scr->pcs.visibleoffset == scr->pcs.dispoffset) |
| 1467 | return; |
| 1468 | |
| 1469 | scr->pcs.visibleoffset = scr->pcs.dispoffset; |
| 1470 | } |
| 1471 | else { |
| 1472 | int vga_scr_end; |
| 1473 | int margin = scr->pcs.type->ncols * 2; |
| 1474 | int ul, we, p, st; |
| 1475 | |
| 1476 | vga_scr_end = (scr->pcs.dispoffset + scr->pcs.type->ncols * |
| 1477 | scr->pcs.type->nrows * 2); |
| 1478 | if (scr->vga_rollover > vga_scr_end + margin) { |
| 1479 | ul = vga_scr_end; |
| 1480 | we = scr->vga_rollover + scr->pcs.type->ncols * 2; |
| 1481 | } else { |
| 1482 | ul = 0; |
| 1483 | we = 0x8000; |
| 1484 | } |
| 1485 | p = (scr->pcs.visibleoffset - ul + we) % we + lines * |
| 1486 | (scr->pcs.type->ncols * 2); |
| 1487 | st = (scr->pcs.dispoffset - ul + we) % we; |
| 1488 | if (p < margin) |
| 1489 | p = 0; |
| 1490 | if (p > st - margin) |
| 1491 | p = st; |
| 1492 | scr->pcs.visibleoffset = (p + ul) % we; |
| 1493 | } |
| 1494 | |
| 1495 | vga_6845_write(vh, startadrh, scr->pcs.visibleoffset >> 9); |
| 1496 | vga_6845_write(vh, startadrl, scr->pcs.visibleoffset >> 1); |
| 1497 | } |
| 1498 | #endif |
| 1499 | |
| 1500 | static void |
| 1501 | vga_putchar(void *c, int row, int col, u_int uc, long attr) |
| 1502 | { |
| 1503 | |
| 1504 | pcdisplay_putchar(c, row, col, uc, attr); |
| 1505 | } |
| 1506 | |
| 1507 | #ifdef WSDISPLAY_CUSTOM_BORDER |
| 1508 | static int |
| 1509 | vga_getborder(struct vga_config *vc, u_int *valuep) |
| 1510 | { |
| 1511 | struct vga_handle *vh = &vc->hdl; |
| 1512 | u_int idx; |
| 1513 | uint8_t value; |
| 1514 | |
| 1515 | if (vh->vh_mono) |
| 1516 | return ENODEV; |
| 1517 | |
| 1518 | value = _vga_attr_read(vh, VGA_ATC_OVERSCAN); |
| 1519 | for (idx = 0; idx < sizeof(fgansitopc); idx++) { |
| 1520 | if (fgansitopc[idx] == value) { |
| 1521 | *valuep = idx; |
| 1522 | return (0); |
| 1523 | } |
| 1524 | } |
| 1525 | return (EIO); |
| 1526 | } |
| 1527 | |
| 1528 | static int |
| 1529 | vga_setborder(struct vga_config *vc, u_int value) |
| 1530 | { |
| 1531 | struct vga_handle *vh = &vc->hdl; |
| 1532 | |
| 1533 | if (vh->vh_mono) |
| 1534 | return ENODEV; |
| 1535 | if (value >= sizeof(fgansitopc)) |
| 1536 | return EINVAL; |
| 1537 | |
| 1538 | _vga_attr_write(vh, VGA_ATC_OVERSCAN, fgansitopc[value]); |
| 1539 | return (0); |
| 1540 | } |
| 1541 | #endif /* WSDISPLAY_CUSTOM_BORDER */ |
| 1542 | |
| 1543 | void |
| 1544 | vga_resume(struct vga_softc *sc) |
| 1545 | { |
| 1546 | #ifdef VGA_RESET_ON_RESUME |
| 1547 | vga_initregs(&sc->sc_vc->hdl); |
| 1548 | #endif |
| 1549 | #ifdef PCDISPLAY_SOFTCURSOR |
| 1550 | /* Disable the hardware cursor */ |
| 1551 | vga_6845_write(&sc->sc_vc->hdl, curstart, 0x20); |
| 1552 | vga_6845_write(&sc->sc_vc->hdl, curend, 0x00); |
| 1553 | #endif |
| 1554 | } |
| 1555 | |
| 1556 | static void |
| 1557 | vga_save_palette(struct vga_config *vc) |
| 1558 | { |
| 1559 | struct vga_handle *vh = &vc->hdl; |
| 1560 | size_t i; |
| 1561 | uint8_t *palette = vc->palette; |
| 1562 | |
| 1563 | if (vh->vh_mono) |
| 1564 | return; |
| 1565 | |
| 1566 | vga_raw_write(vh, VGA_DAC_PELMASK, 0xff); |
| 1567 | vga_raw_write(vh, VGA_DAC_ADDRR, 0x00); |
| 1568 | for (i = 0; i < sizeof(vc->palette); i++) |
| 1569 | *palette++ = vga_raw_read(vh, VGA_DAC_PALETTE); |
| 1570 | |
| 1571 | vga_reset_state(vh); /* reset flip/flop */ |
| 1572 | } |
| 1573 | |
| 1574 | static void |
| 1575 | vga_restore_palette(struct vga_config *vc) |
| 1576 | { |
| 1577 | struct vga_handle *vh = &vc->hdl; |
| 1578 | size_t i; |
| 1579 | uint8_t *palette = vc->palette; |
| 1580 | |
| 1581 | if (vh->vh_mono) |
| 1582 | return; |
| 1583 | |
| 1584 | vga_raw_write(vh, VGA_DAC_PELMASK, 0xff); |
| 1585 | vga_raw_write(vh, VGA_DAC_ADDRW, 0x00); |
| 1586 | for (i = 0; i < sizeof(vc->palette); i++) |
| 1587 | vga_raw_write(vh, VGA_DAC_PALETTE, *palette++); |
| 1588 | |
| 1589 | vga_reset_state(vh); /* reset flip/flop */ |
| 1590 | vga_enable(vh); |
| 1591 | } |
| 1592 | |