ffb.c revision 1.16
1 /* $NetBSD: ffb.c,v 1.16 2005/05/31 02:48:37 macallan Exp $ */ 2 /* $OpenBSD: creator.c,v 1.20 2002/07/30 19:48:15 jason Exp $ */ 3 4 /* 5 * Copyright (c) 2002 Jason L. Wright (jason (at) thought.net) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Jason L. Wright 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: ffb.c,v 1.16 2005/05/31 02:48:37 macallan Exp $"); 37 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/device.h> 43 #include <sys/conf.h> 44 #include <sys/ioctl.h> 45 #include <sys/malloc.h> 46 #include <sys/mman.h> 47 48 #include <machine/bus.h> 49 #include <machine/autoconf.h> 50 #include <machine/openfirm.h> 51 #include <machine/vmparam.h> 52 53 #include <dev/wscons/wsconsio.h> 54 #include <dev/sun/fbio.h> 55 #include <dev/sun/fbvar.h> 56 57 #include <sparc64/dev/ffbreg.h> 58 #include <sparc64/dev/ffbvar.h> 59 60 #include <dev/wsfont/wsfont.h> 61 62 #ifndef WS_DEFAULT_BG 63 /* Sun -> background should be white */ 64 #define WS_DEFAULT_BG 0xf 65 #endif 66 67 extern struct cfdriver ffb_cd; 68 69 struct wsscreen_descr ffb_stdscreen = { 70 "sunffb", 71 0, 0, /* will be filled in -- XXX shouldn't, it's global. */ 72 0, 73 0, 0, 74 WSSCREEN_REVERSE | WSSCREEN_WSCOLORS 75 }; 76 77 const struct wsscreen_descr *ffb_scrlist[] = { 78 &ffb_stdscreen, 79 /* XXX other formats? */ 80 }; 81 82 struct wsscreen_list ffb_screenlist = { 83 sizeof(ffb_scrlist) / sizeof(struct wsscreen_descr *), 84 ffb_scrlist 85 }; 86 87 static struct ffb_screen ffb_console_screen; 88 89 int ffb_ioctl(void *, u_long, caddr_t, int, struct proc *); 90 static int ffb_blank(struct ffb_softc *, u_long, u_int *); 91 paddr_t ffb_mmap(void *, off_t, int); 92 void ffb_ras_fifo_wait(struct ffb_softc *, int); 93 void ffb_ras_wait(struct ffb_softc *); 94 void ffb_ras_init(struct ffb_softc *); 95 void ffb_ras_copyrows(void *, int, int, int); 96 void ffb_ras_copycols(void *, int, int, int, int); 97 void ffb_ras_erasecols(void *, int, int, int, long int); 98 void ffb_ras_eraserows(void *, int, int, long int); 99 void ffb_ras_do_cursor(struct rasops_info *); 100 void ffb_ras_fill(struct ffb_softc *); 101 void ffb_ras_setfg(struct ffb_softc *, int32_t); 102 103 int ffb_alloc_screen(void *, const struct wsscreen_descr *, void **, 104 int *, int *, long *); 105 void ffb_free_screen(void *, void *); 106 int ffb_show_screen(void *, void *, int, void (*)(void *, int, int), 107 void *); 108 void ffb_switch_screen(struct ffb_softc *); 109 void ffb_restore_screen(struct ffb_screen *, 110 const struct wsscreen_descr *, u_int16_t *); 111 void ffb_clearscreen(struct ffb_softc *); 112 int ffb_load_font(void *, void *, struct wsdisplay_font *); 113 void ffb_init_screen(struct ffb_softc *, struct ffb_screen *, int, 114 long *); 115 int ffb_allocattr(void *, int, int, int, long *); 116 void ffb_putchar(void *, int, int, u_int, long); 117 void ffb_cursor(void *, int, int, int); 118 119 /* frame buffer generic driver */ 120 static void ffbfb_unblank(struct device*); 121 dev_type_open(ffbfb_open); 122 dev_type_close(ffbfb_close); 123 dev_type_ioctl(ffbfb_ioctl); 124 dev_type_mmap(ffbfb_mmap); 125 126 static struct fbdriver ffb_fbdriver = { 127 ffbfb_unblank, ffbfb_open, ffbfb_close, ffbfb_ioctl, nopoll, 128 ffbfb_mmap, nokqfilter 129 }; 130 131 struct wsdisplay_accessops ffb_accessops = { 132 ffb_ioctl, 133 ffb_mmap, 134 ffb_alloc_screen, 135 ffb_free_screen, 136 ffb_show_screen, 137 NULL, /* load font */ 138 NULL, /* pollc */ 139 NULL, /* getwschar */ 140 NULL, /* putwschar */ 141 NULL, /* scroll */ 142 }; 143 144 void 145 ffb_attach(struct ffb_softc *sc) 146 { 147 struct wsemuldisplaydev_attach_args waa; 148 struct rasops_info *ri; 149 long defattr; 150 const char *model; 151 int btype; 152 int maxrow, maxcol; 153 u_int blank = WSDISPLAYIO_VIDEO_ON; 154 char buf[6+1]; 155 156 printf(":"); 157 158 if (sc->sc_type == FFB_CREATOR) { 159 btype = prom_getpropint(sc->sc_node, "board_type", 0); 160 if ((btype & 7) == 3) 161 printf(" Creator3D"); 162 else 163 printf(" Creator"); 164 } else 165 printf(" Elite3D"); 166 167 model = prom_getpropstring(sc->sc_node, "model"); 168 if (model == NULL || strlen(model) == 0) 169 model = "unknown"; 170 171 sc->sc_depth = 24; 172 sc->sc_linebytes = 8192; 173 sc->sc_height = prom_getpropint(sc->sc_node, "height", 0); 174 sc->sc_width = prom_getpropint(sc->sc_node, "width", 0); 175 176 maxcol = (prom_getoption("screen-#columns", buf, sizeof buf) == 0) 177 ? strtoul(buf, NULL, 10) 178 : 80; 179 180 maxrow = (prom_getoption("screen-#rows", buf, sizeof buf) != 0) 181 ? strtoul(buf, NULL, 10) 182 : 34; 183 184 ffb_ras_init(sc); 185 186 /* collect DAC version, as Elite3D cursor enable bit is reversed */ 187 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_GVERS); 188 sc->sc_dacrev = DAC_READ(sc, FFB_DAC_VALUE) >> 28; 189 190 if (sc->sc_type == FFB_AFB) 191 sc->sc_dacrev = 10; 192 printf(", model %s, dac %u\n", model, sc->sc_dacrev); 193 194 ffb_blank(sc, WSDISPLAYIO_SVIDEO, &blank); 195 196 sc->sc_accel = ((sc->sc_dv.dv_cfdata->cf_flags & FFB_CFFLAG_NOACCEL) == 197 0); 198 sc->putchar = NULL; 199 200 wsfont_init(); 201 202 ffb_init_screen(sc, &ffb_console_screen, 1, &defattr); 203 ffb_console_screen.active = 1; 204 sc->active = &ffb_console_screen; 205 ri = &ffb_console_screen.ri; 206 207 ffb_stdscreen.nrows = ri->ri_rows; 208 ffb_stdscreen.ncols = ri->ri_cols; 209 ffb_stdscreen.textops = &ri->ri_ops; 210 ffb_stdscreen.capabilities = ri->ri_caps; 211 212 sc->sc_fb.fb_driver = &ffb_fbdriver; 213 sc->sc_fb.fb_type.fb_cmsize = 0; 214 sc->sc_fb.fb_type.fb_size = maxrow * sc->sc_linebytes; 215 sc->sc_fb.fb_type.fb_type = FBTYPE_CREATOR; 216 sc->sc_fb.fb_type.fb_width = sc->sc_width; 217 sc->sc_fb.fb_type.fb_depth = sc->sc_depth; 218 sc->sc_fb.fb_type.fb_height = sc->sc_height; 219 sc->sc_fb.fb_device = &sc->sc_dv; 220 fb_attach(&sc->sc_fb, sc->sc_console); 221 222 if (sc->sc_console) { 223 wsdisplay_cnattach(&ffb_stdscreen, ri, 0, 0, defattr); 224 } 225 226 ffb_clearscreen(sc); 227 228 waa.console = sc->sc_console; 229 waa.scrdata = &ffb_screenlist; 230 waa.accessops = &ffb_accessops; 231 waa.accesscookie = sc; 232 config_found(&sc->sc_dv, &waa, wsemuldisplaydevprint); 233 } 234 235 int 236 ffb_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p) 237 { 238 struct ffb_softc *sc = v; 239 struct wsdisplay_fbinfo *wdf; 240 struct ffb_screen *ms = sc->active; 241 242 #ifdef FFBDEBUG 243 printf("ffb_ioctl: %s cmd _IO%s%s('%c', %lu)\n", 244 sc->sc_dv.dv_xname, 245 (cmd & IOC_IN) ? "W" : "", (cmd & IOC_OUT) ? "R" : "", 246 (char)IOCGROUP(cmd), cmd & 0xff); 247 #endif 248 249 switch (cmd) { 250 case FBIOGTYPE: 251 *(struct fbtype *)data = sc->sc_fb.fb_type; 252 break; 253 case FBIOGATTR: 254 #define fba ((struct fbgattr *)data) 255 fba->real_type = sc->sc_fb.fb_type.fb_type; 256 fba->owner = 0; /* XXX ??? */ 257 fba->fbtype = sc->sc_fb.fb_type; 258 fba->sattr.flags = 0; 259 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 260 fba->sattr.dev_specific[0] = -1; 261 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 262 fba->emu_types[1] = -1; 263 #undef fba 264 break; 265 266 case FBIOGETCMAP: 267 case FBIOPUTCMAP: 268 return EIO; 269 270 case FBIOGVIDEO: 271 case FBIOSVIDEO: 272 return ffb_blank(sc, cmd == FBIOGVIDEO? 273 WSDISPLAYIO_GVIDEO : WSDISPLAYIO_SVIDEO, 274 (u_int *)data); 275 break; 276 case FBIOGCURSOR: 277 case FBIOSCURSOR: 278 /* the console driver is not using the hardware cursor */ 279 break; 280 case FBIOGCURPOS: 281 printf("%s: FBIOGCURPOS not implemented\n", sc->sc_dv.dv_xname); 282 return EIO; 283 case FBIOSCURPOS: 284 printf("%s: FBIOSCURPOS not implemented\n", sc->sc_dv.dv_xname); 285 return EIO; 286 case FBIOGCURMAX: 287 printf("%s: FBIOGCURMAX not implemented\n", sc->sc_dv.dv_xname); 288 return EIO; 289 290 case WSDISPLAYIO_GTYPE: 291 *(u_int *)data = WSDISPLAY_TYPE_SUNFFB; 292 break; 293 case WSDISPLAYIO_SMODE: 294 { 295 if (sc->sc_mode != *(u_int *)data) { 296 sc->sc_mode = *(u_int *)data; 297 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 298 ffb_ras_init(sc); 299 ffb_restore_screen(ms, ms->type, 300 ms->chars); 301 ffb_cursor(ms, ms->cursoron, 302 ms->cursorrow, 303 ms->cursorcol); 304 } 305 } 306 } 307 break; 308 case WSDISPLAYIO_GINFO: 309 wdf = (void *)data; 310 wdf->height = sc->sc_height; 311 wdf->width = sc->sc_width; 312 wdf->depth = 32; 313 wdf->cmsize = 256; /* XXX */ 314 break; 315 #ifdef WSDISPLAYIO_LINEBYTES 316 case WSDISPLAYIO_LINEBYTES: 317 *(u_int *)data = sc->sc_linebytes; 318 break; 319 #endif 320 case WSDISPLAYIO_GETCMAP: 321 break;/* XXX */ 322 323 case WSDISPLAYIO_PUTCMAP: 324 break;/* XXX */ 325 326 case WSDISPLAYIO_SVIDEO: 327 case WSDISPLAYIO_GVIDEO: 328 return(ffb_blank(sc, cmd, (u_int *)data)); 329 break; 330 case WSDISPLAYIO_GCURPOS: 331 case WSDISPLAYIO_SCURPOS: 332 case WSDISPLAYIO_GCURMAX: 333 case WSDISPLAYIO_GCURSOR: 334 case WSDISPLAYIO_SCURSOR: 335 return EIO; /* not supported yet */ 336 default: 337 return EPASSTHROUGH; 338 } 339 340 return (0); 341 } 342 343 /* blank/unblank the screen */ 344 static int 345 ffb_blank(struct ffb_softc *sc, u_long cmd, u_int *data) 346 { 347 u_int val; 348 349 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_GSBLANK); 350 val = DAC_READ(sc, FFB_DAC_VALUE); 351 352 switch (cmd) { 353 case WSDISPLAYIO_GVIDEO: 354 *data = val & 1; 355 return(0); 356 break; 357 case WSDISPLAYIO_SVIDEO: 358 if (*data == WSDISPLAYIO_VIDEO_OFF) 359 val &= ~1; 360 else if (*data == WSDISPLAYIO_VIDEO_ON) 361 val |= 1; 362 else 363 return(EINVAL); 364 break; 365 default: 366 return(EINVAL); 367 } 368 369 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_GSBLANK); 370 DAC_WRITE(sc, FFB_DAC_VALUE, val); 371 372 return(0); 373 } 374 375 paddr_t 376 ffb_mmap(void *vsc, off_t off, int prot) 377 { 378 struct ffb_softc *sc = vsc; 379 int i; 380 381 switch (sc->sc_mode) { 382 case WSDISPLAYIO_MODE_MAPPED: 383 for (i = 0; i < sc->sc_nreg; i++) { 384 /* Before this set? */ 385 if (off < sc->sc_addrs[i]) 386 continue; 387 /* After this set? */ 388 if (off >= (sc->sc_addrs[i] + sc->sc_sizes[i])) 389 continue; 390 391 return (bus_space_mmap(sc->sc_bt, sc->sc_addrs[i], 392 off - sc->sc_addrs[i], prot, BUS_SPACE_MAP_LINEAR)); 393 } 394 break; 395 #ifdef WSDISPLAYIO_MODE_DUMBFB 396 case WSDISPLAYIO_MODE_DUMBFB: 397 if (sc->sc_nreg < FFB_REG_DFB24) 398 break; 399 if (off >= 0 && off < sc->sc_sizes[FFB_REG_DFB24]) 400 return (bus_space_mmap(sc->sc_bt, 401 sc->sc_addrs[FFB_REG_DFB24], off, prot, 402 BUS_SPACE_MAP_LINEAR)); 403 break; 404 #endif 405 } 406 407 return (-1); 408 } 409 410 void 411 ffb_ras_fifo_wait(struct ffb_softc *sc, int n) 412 { 413 int32_t cache = sc->sc_fifo_cache; 414 415 if (cache < n) { 416 do { 417 cache = FBC_READ(sc, FFB_FBC_UCSR); 418 cache = (cache & FBC_UCSR_FIFO_MASK) - 8; 419 } while (cache < n); 420 } 421 sc->sc_fifo_cache = cache - n; 422 } 423 424 void 425 ffb_ras_wait(struct ffb_softc *sc) 426 { 427 u_int32_t ucsr, r; 428 429 while (1) { 430 ucsr = FBC_READ(sc, FFB_FBC_UCSR); 431 if ((ucsr & (FBC_UCSR_FB_BUSY|FBC_UCSR_RP_BUSY)) == 0) 432 break; 433 r = ucsr & (FBC_UCSR_READ_ERR | FBC_UCSR_FIFO_OVFL); 434 if (r != 0) 435 FBC_WRITE(sc, FFB_FBC_UCSR, r); 436 } 437 } 438 439 void 440 ffb_ras_init(struct ffb_softc *sc) 441 { 442 ffb_ras_fifo_wait(sc, 7); 443 FBC_WRITE(sc, FFB_FBC_PPC, 444 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | 445 FBC_PPC_APE_DIS | FBC_PPC_CS_CONST); 446 FBC_WRITE(sc, FFB_FBC_FBC, 447 FFB_FBC_WB_A | FFB_FBC_RB_A | FFB_FBC_SB_BOTH | 448 FFB_FBC_XE_OFF | FFB_FBC_RGBE_MASK); 449 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 450 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 451 FBC_WRITE(sc, FFB_FBC_PMASK, 0xffffffff); 452 FBC_WRITE(sc, FFB_FBC_FONTINC, 0x10000); 453 sc->sc_fg_cache = 0; 454 FBC_WRITE(sc, FFB_FBC_FG, sc->sc_fg_cache); 455 ffb_ras_wait(sc); 456 } 457 458 void 459 ffb_ras_eraserows(void *cookie, int row, int n, long attr) 460 { 461 struct rasops_info *ri = cookie; 462 struct ffb_screen *scr = ri->ri_hw; 463 struct ffb_softc *sc = scr->sc;; 464 465 int start, end, i; 466 467 start = ri->ri_cols * row; 468 end = ri->ri_cols * (row + n); 469 470 for (i = start; i < end; i++) { 471 scr->attrs[i] = attr; 472 scr->chars[i] = 0x20; 473 } 474 475 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 476 if (row < 0) { 477 n += row; 478 row = 0; 479 } 480 if (row + n > ri->ri_rows) 481 n = ri->ri_rows - row; 482 if (n <= 0) 483 return; 484 485 ffb_ras_fill(sc); 486 ffb_ras_setfg(sc, ri->ri_devcmap[(attr >> 16) & 0xf]); 487 ffb_ras_fifo_wait(sc, 4); 488 if ((n == ri->ri_rows) && (ri->ri_flg & RI_FULLCLEAR)) { 489 FBC_WRITE(sc, FFB_FBC_BY, 0); 490 FBC_WRITE(sc, FFB_FBC_BX, 0); 491 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_height); 492 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_width); 493 } else { 494 row *= ri->ri_font->fontheight; 495 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + row); 496 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin); 497 FBC_WRITE(sc, FFB_FBC_BH, n * ri->ri_font->fontheight); 498 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_emuwidth); 499 } 500 ffb_ras_wait(sc); 501 } 502 } 503 504 void 505 ffb_ras_erasecols(void *cookie, int row, int col, int n, long attr) 506 { 507 struct rasops_info *ri = cookie; 508 struct ffb_screen *scr = ri->ri_hw; 509 struct ffb_softc *sc = scr->sc;; 510 511 int start = col + row * ri->ri_cols; 512 int end = start + n, i; 513 514 for (i = start; i < end; i++) { 515 scr->attrs[i] = attr; 516 scr->chars[i] = 0x20; 517 } 518 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 519 520 if ((row < 0) || (row >= ri->ri_rows)) 521 return; 522 if (col < 0) { 523 n += col; 524 col = 0; 525 } 526 if (col + n > ri->ri_cols) 527 n = ri->ri_cols - col; 528 if (n <= 0) 529 return; 530 n *= ri->ri_font->fontwidth; 531 col *= ri->ri_font->fontwidth; 532 row *= ri->ri_font->fontheight; 533 534 ffb_ras_fill(sc); 535 ffb_ras_setfg(sc, ri->ri_devcmap[(attr >> 16) & 0xf]); 536 ffb_ras_fifo_wait(sc, 4); 537 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + row); 538 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin + col); 539 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_font->fontheight); 540 FBC_WRITE(sc, FFB_FBC_BW, n - 1); 541 ffb_ras_wait(sc); 542 } 543 } 544 545 void 546 ffb_ras_fill(struct ffb_softc *sc) 547 { 548 ffb_ras_fifo_wait(sc, 2); 549 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 550 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 551 ffb_ras_wait(sc); 552 } 553 554 void 555 ffb_ras_copyrows(void *cookie, int src, int dst, int n) 556 { 557 struct rasops_info *ri = cookie; 558 struct ffb_screen *scr = ri->ri_hw; 559 struct ffb_softc *sc = scr->sc; 560 561 int from, to, len; 562 563 from = ri->ri_cols * src; 564 to = ri->ri_cols * dst; 565 len = ri->ri_cols * n; 566 567 memmove(&scr->attrs[to], &scr->attrs[from], len * sizeof(long)); 568 memmove(&scr->chars[to], &scr->chars[from], len * sizeof(uint16_t)); 569 570 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 571 572 if (dst == src) 573 return; 574 if (src < 0) { 575 n += src; 576 src = 0; 577 } 578 if ((src + n) > ri->ri_rows) 579 n = ri->ri_rows - src; 580 if (dst < 0) { 581 n += dst; 582 dst = 0; 583 } 584 if ((dst + n) > ri->ri_rows) 585 n = ri->ri_rows - dst; 586 if (n <= 0) 587 return; 588 n *= ri->ri_font->fontheight; 589 src *= ri->ri_font->fontheight; 590 dst *= ri->ri_font->fontheight; 591 592 ffb_ras_fifo_wait(sc, 8); 593 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_OLD | (FBC_ROP_OLD << 8)); 594 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_VSCROLL); 595 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + src); 596 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin); 597 FBC_WRITE(sc, FFB_FBC_DY, ri->ri_yorigin + dst); 598 FBC_WRITE(sc, FFB_FBC_DX, ri->ri_xorigin); 599 FBC_WRITE(sc, FFB_FBC_BH, n); 600 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_emuwidth); 601 ffb_ras_wait(sc); 602 } 603 } 604 605 void 606 ffb_ras_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 607 { 608 struct rasops_info *ri = cookie; 609 struct ffb_screen *scr = ri->ri_hw; 610 struct ffb_softc *sc = scr->sc; 611 int from = srccol + row * ri->ri_cols; 612 int to = dstcol + row * ri->ri_cols; 613 614 memmove(&scr->attrs[to], &scr->attrs[from], ncols * sizeof(long)); 615 memmove(&scr->chars[to], &scr->chars[from], ncols * sizeof(uint16_t)); 616 617 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 618 sc->copycols(cookie, row, srccol, dstcol, ncols); 619 } 620 } 621 622 void 623 ffb_ras_setfg(struct ffb_softc *sc, int32_t fg) 624 { 625 ffb_ras_fifo_wait(sc, 1); 626 if (fg == sc->sc_fg_cache) 627 return; 628 sc->sc_fg_cache = fg; 629 FBC_WRITE(sc, FFB_FBC_FG, fg); 630 ffb_ras_wait(sc); 631 } 632 633 /* frame buffer generic driver support functions */ 634 static void 635 ffbfb_unblank(struct device *dev) 636 { 637 /* u_int on = 1; */ 638 639 if (dev && dev->dv_xname) 640 printf("%s: ffbfb_unblank\n", dev->dv_xname); 641 else 642 printf("ffbfb_unblank(%p)n", dev); 643 /* ffb_blank((struct ffb_softc*)dev, WSDISPLAYIO_SVIDEO, &on); */ 644 } 645 646 int 647 ffbfb_open(dev_t dev, int flags, int mode, struct proc *p) 648 { 649 int unit = minor(dev); 650 651 if (unit >= ffb_cd.cd_ndevs || ffb_cd.cd_devs[unit] == NULL) 652 return ENXIO; 653 654 return 0; 655 } 656 657 int 658 ffbfb_close(dev_t dev, int flags, int mode, struct proc *p) 659 { 660 return 0; 661 } 662 663 int 664 ffbfb_ioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p) 665 { 666 struct ffb_softc *sc = ffb_cd.cd_devs[minor(dev)]; 667 668 return ffb_ioctl(sc, cmd, data, flags, p); 669 } 670 671 paddr_t 672 ffbfb_mmap(dev_t dev, off_t off, int prot) 673 { 674 struct ffb_softc *sc = ffb_cd.cd_devs[minor(dev)]; 675 uint64_t size; 676 int i, reg; 677 off_t o; 678 679 /* 680 * off is a magic cookie (see xfree86/drivers/sunffb/ffb.h), 681 * which we map to an index into the "reg" property, and use 682 * our copy of the firmware data as arguments for the real 683 * mapping. 684 */ 685 static struct { unsigned long voff; int reg; } map[] = { 686 { 0x00000000, FFB_REG_SFB8R }, 687 { 0x00400000, FFB_REG_SFB8G }, 688 { 0x00800000, FFB_REG_SFB8B }, 689 { 0x00c00000, FFB_REG_SFB8X }, 690 { 0x01000000, FFB_REG_SFB32 }, 691 { 0x02000000, FFB_REG_SFB64 }, 692 { 0x04000000, FFB_REG_FBC }, 693 { 0x04004000, FFB_REG_DFB8R }, 694 { 0x04404000, FFB_REG_DFB8G }, 695 { 0x04804000, FFB_REG_DFB8B }, 696 { 0x04c04000, FFB_REG_DFB8X }, 697 { 0x05004000, FFB_REG_DFB24 }, 698 { 0x06004000, FFB_REG_DFB32 }, 699 { 0x07004000, FFB_REG_DFB422A }, 700 { 0x0bc06000, FFB_REG_DAC }, 701 { 0x0bc08000, FFB_REG_PROM }, 702 { 0x0bc18000, 0 } 703 }; 704 705 /* special value "FFB_EXP_VOFF" - not backed by any "reg" entry */ 706 if (off == 0x0bc18000) 707 return bus_space_mmap(sc->sc_bt, sc->sc_addrs[FFB_REG_PROM], 708 0x00200000, prot, BUS_SPACE_MAP_LINEAR); 709 710 /* 711 * FFB_VOFF_FBC_KREGS - used by afbinit to upload firmware. We should 712 * probably mmap them only on afb boards 713 */ 714 if ((off >= 0x0bc04000) && (off < 0x0bc06000)) 715 return bus_space_mmap(sc->sc_bt, sc->sc_addrs[FFB_REG_PROM], 716 0x00610000 + (off - 0x0bc04000), prot, 717 BUS_SPACE_MAP_LINEAR); 718 719 #define NELEMS(arr) (sizeof(arr)/sizeof((arr)[0])) 720 721 /* the map is ordered by voff */ 722 for (i = 0; i < NELEMS(map)-1; i++) { 723 reg = map[i].reg; 724 /* the number of entries in reg seems to vary */ 725 if (reg < sc->sc_nreg) { 726 size = min((map[i + 1].voff - map[i].voff), 727 sc->sc_sizes[reg]); 728 if ((off >= map[i].voff) && 729 (off < (map[i].voff + size))) { 730 o = off - map[i].voff; 731 return bus_space_mmap(sc->sc_bt, 732 sc->sc_addrs[reg], o, prot, 733 BUS_SPACE_MAP_LINEAR); 734 } 735 } 736 } 737 738 return -1; 739 } 740 741 void 742 ffb_clearscreen(struct ffb_softc *sc) 743 { 744 struct rasops_info *ri = &ffb_console_screen.ri; 745 ffb_ras_fill(sc); 746 ffb_ras_setfg(sc, ri->ri_devcmap[WS_DEFAULT_BG]); 747 ffb_ras_fifo_wait(sc, 4); 748 FBC_WRITE(sc, FFB_FBC_BY, 0); 749 FBC_WRITE(sc, FFB_FBC_BX, 0); 750 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_height); 751 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_width); 752 } 753 754 void 755 ffb_switch_screen(struct ffb_softc *sc) 756 { 757 struct ffb_screen *scr, *oldscr; 758 759 scr = sc->wanted; 760 if (!scr) { 761 printf("ffb_switch_screen: disappeared\n"); 762 (*sc->switchcb)(sc->switchcbarg, EIO, 0); 763 return; 764 } 765 oldscr = sc->active; /* can be NULL! */ 766 #ifdef DIAGNOSTIC 767 if (oldscr) { 768 if (!oldscr->active) 769 panic("ffb_switch_screen: not active"); 770 } 771 #endif 772 if (scr == oldscr) 773 return; 774 775 #ifdef DIAGNOSTIC 776 if (scr->active) 777 panic("ffb_switch_screen: active"); 778 #endif 779 780 if (oldscr) 781 oldscr->active = 0; 782 #ifdef notyet 783 if (sc->currenttype != type) { 784 ffb_set_screentype(sc, type); 785 sc->currenttype = type; 786 } 787 #endif 788 789 /* Clear the entire screen. */ 790 791 scr->active = 1; 792 ffb_restore_screen(scr, &ffb_stdscreen, scr->chars); 793 794 sc->active = scr; 795 796 scr->ri.ri_ops.cursor(scr, scr->cursoron, scr->cursorrow, 797 scr->cursorcol); 798 799 sc->wanted = 0; 800 if (sc->switchcb) 801 (*sc->switchcb)(sc->switchcbarg, 0, 0); 802 } 803 804 void 805 ffb_restore_screen(struct ffb_screen *scr, 806 const struct wsscreen_descr *type, u_int16_t *mem) 807 { 808 int i, j, offset = 0; 809 uint16_t *charptr = scr->chars; 810 long *attrptr = scr->attrs; 811 812 ffb_clearscreen(scr->sc); 813 for (i = 0; i < scr->ri.ri_rows; i++) { 814 for (j = 0; j < scr->ri.ri_cols; j++) { 815 scr->sc->putchar(scr, i, j, charptr[offset], 816 attrptr[offset]); 817 offset++; 818 } 819 } 820 scr->cursordrawn = 0; 821 } 822 823 void 824 ffb_cursor(void *cookie, int on, int row, int col) 825 { 826 struct rasops_info *ri = cookie; 827 struct ffb_screen *scr = ri->ri_hw; 828 struct ffb_softc *sc = scr->sc; 829 int x, y, wi, he, coffset; 830 831 wi = ri->ri_font->fontwidth; 832 he = ri->ri_font->fontheight; 833 834 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 835 x = scr->cursorcol * wi + ri->ri_xorigin; 836 y = scr->cursorrow * he + ri->ri_yorigin; 837 838 if (scr->cursordrawn) { 839 /* remove cursor */ 840 coffset = scr->cursorcol + 841 (scr->cursorrow * ri->ri_cols); 842 sc->putchar(cookie, scr->cursorrow, scr->cursorcol, 843 scr->chars[coffset], scr->attrs[coffset]); 844 scr->cursordrawn = 0; 845 } 846 scr->cursorrow = row; 847 scr->cursorcol = col; 848 if ((scr->cursoron = on) != 0) 849 { 850 long attr, revattr; 851 x = scr->cursorcol * wi + ri->ri_xorigin; 852 y = scr->cursorrow * he + ri->ri_yorigin; 853 coffset = col + (row * ri->ri_cols); 854 attr = scr->attrs[coffset]; 855 #ifdef FFB_CURSOR_SWAP_COLOURS 856 revattr=((attr >> 8 ) & 0x000f0000) | ((attr & 857 0x000f0000)<<8) | (attr & 0x0000ffff); 858 #else 859 revattr = attr ^ 0xffff0000; 860 #endif 861 sc->putchar(cookie, scr->cursorrow, scr->cursorcol, 862 scr->chars[coffset], revattr); 863 scr->cursordrawn = 1; 864 } 865 } else { 866 scr->cursoron = on; 867 scr->cursorrow = row; 868 scr->cursorcol = col; 869 scr->cursordrawn = 0; 870 } 871 } 872 873 void 874 ffb_putchar(void *cookie, int row, int col, u_int c, long attr) 875 { 876 struct rasops_info *ri = cookie; 877 struct ffb_screen *scr = ri->ri_hw; 878 struct ffb_softc *sc = scr->sc; 879 int pos; 880 881 if ((row >= 0) && (row < ri->ri_rows) && (col >= 0) && 882 (col < ri->ri_cols)) { 883 pos = col + row * ri->ri_cols; 884 scr->attrs[pos] = attr; 885 scr->chars[pos] = c; 886 887 #if 1 888 if ((sc->putchar != NULL) && ( scr->active) && 889 (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 890 ffb_ras_wait(sc); 891 sc->putchar(cookie, row, col, c, attr); 892 } 893 #else 894 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 895 int fg, bg, uc, i; 896 uint8_t *data; 897 int x, y, wi,he; 898 899 wi = ri->ri_font->fontwidth; 900 he = ri->ri_font->fontheight; 901 902 if (!CHAR_IN_FONT(c, ri->ri_font)) 903 return; 904 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xff]; 905 fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xff]; 906 x = ri->ri_xorigin + col * wi; 907 y = ri->ri_yorigin + row * he; 908 if (c == 0x20) { 909 ffb_rectfill(sc, x, y, wi, he, bg); 910 } else { 911 uc = c-ri->ri_font->firstchar; 912 data = (uint8_t *)ri->ri_font->data + uc * 913 ri->ri_fontscale; 914 915 ffb_setup_mono(sc, x, y, wi, 1, fg, bg); 916 for (i = 0; i < he; i++) { 917 ffb_feed_line(sc, ri->ri_font->stride, 918 data); 919 data += ri->ri_font->stride; 920 } 921 /*ffb_ras_wait(sc);*/ 922 } 923 } 924 #endif 925 } 926 } 927 928 int 929 ffb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp) 930 { 931 if ((fg == 0) && (bg == 0)) 932 { 933 fg = WS_DEFAULT_FG; 934 bg = WS_DEFAULT_BG; 935 } 936 if (flags & WSATTR_REVERSE) { 937 *attrp = (bg & 0xff) << 24 | (fg & 0xff) << 16 | 938 (flags & 0xff); 939 } else 940 *attrp = (fg & 0xff) << 24 | (bg & 0xff) << 16 | 941 (flags & 0xff); 942 return 0; 943 } 944 945 void 946 ffb_init_screen(struct ffb_softc *sc, struct ffb_screen *scr, 947 int existing, long *defattr) 948 { 949 struct rasops_info *ri = &scr->ri; 950 int cnt; 951 952 scr->sc = sc; 953 scr->cursorcol = 0; 954 scr->cursorrow = 0; 955 scr->cursordrawn=0; 956 957 ri->ri_depth = 32; 958 ri->ri_width = sc->sc_width; 959 ri->ri_height = sc->sc_height; 960 ri->ri_stride = sc->sc_linebytes; 961 ri->ri_flg = RI_CENTER; 962 963 ri->ri_bits = bus_space_vaddr(sc->sc_bt, sc->sc_pixel_h); 964 965 #ifdef DEBUG_FFB 966 printf("addr: %08lx\n",(ulong)ri->ri_bits); 967 #endif 968 rasops_init(ri, sc->sc_height/8, sc->sc_width/8); 969 ri->ri_caps = WSSCREEN_WSCOLORS; 970 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 971 sc->sc_width / ri->ri_font->fontwidth); 972 973 ffb_allocattr(ri, WS_DEFAULT_FG, WS_DEFAULT_BG, 0, defattr); 974 975 /* 976 * we allocate both chars and attributes in one chunk, attributes first 977 * because they have the (potentially) bigger alignment 978 */ 979 cnt=ri->ri_rows * ri->ri_cols; 980 scr->attrs = (long *)malloc(cnt * (sizeof(long) + sizeof(uint16_t)), 981 M_DEVBUF, M_WAITOK); 982 scr->chars = (uint16_t *)&scr->attrs[cnt]; 983 984 /* enable acceleration */ 985 ri->ri_hw = scr; 986 ri->ri_ops.copyrows = ffb_ras_copyrows; 987 ri->ri_ops.copycols = ffb_ras_copycols; 988 ri->ri_ops.eraserows = ffb_ras_eraserows; 989 ri->ri_ops.erasecols = ffb_ras_erasecols; 990 ri->ri_ops.cursor = ffb_cursor; 991 ri->ri_ops.allocattr = ffb_allocattr; 992 if (sc->putchar == NULL) 993 sc->putchar = ri->ri_ops.putchar; 994 sc->copycols = ri->ri_ops.copycols; 995 ri->ri_ops.putchar = ffb_putchar; 996 997 if (existing) { 998 scr->active = 1; 999 } else { 1000 scr->active = 0; 1001 } 1002 1003 ffb_ras_eraserows(&scr->ri, 0, ri->ri_rows, *defattr); 1004 1005 LIST_INSERT_HEAD(&sc->screens, scr, next); 1006 } 1007 1008 int 1009 ffb_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep, 1010 int *curxp, int *curyp, long *defattrp) 1011 { 1012 struct ffb_softc *sc = v; 1013 struct ffb_screen *scr; 1014 1015 scr = malloc(sizeof(struct ffb_screen), M_DEVBUF, M_WAITOK | M_ZERO); 1016 ffb_init_screen(sc, scr, 0, defattrp); 1017 1018 if (sc->active == NULL) { 1019 scr->active = 1; 1020 sc->active = scr; 1021 sc->currenttype = type; 1022 } 1023 1024 *cookiep = scr; 1025 *curxp = scr->cursorcol; 1026 *curyp = scr->cursorrow; 1027 return 0; 1028 } 1029 1030 void 1031 ffb_free_screen(void *v, void *cookie) 1032 { 1033 struct ffb_softc *sc = v; 1034 struct ffb_screen *scr = cookie; 1035 1036 LIST_REMOVE(scr, next); 1037 if (scr != &ffb_console_screen) { 1038 free(scr->attrs, M_DEVBUF); 1039 free(scr, M_DEVBUF); 1040 } else 1041 panic("ffb_free_screen: console"); 1042 1043 if (sc->active == scr) 1044 sc->active = 0; 1045 } 1046 1047 int 1048 ffb_show_screen(void *v, void *cookie, int waitok, 1049 void (*cb)(void *, int, int), void *cbarg) 1050 { 1051 struct ffb_softc *sc = v; 1052 struct ffb_screen *scr, *oldscr; 1053 1054 scr = cookie; 1055 oldscr = sc->active; 1056 if (scr == oldscr) 1057 return 0; 1058 1059 sc->wanted = scr; 1060 sc->switchcb = cb; 1061 sc->switchcbarg = cbarg; 1062 if (cb) { 1063 callout_reset(&sc->switch_callout, 0, 1064 (void(*)(void *))ffb_switch_screen, sc); 1065 return EAGAIN; 1066 } 1067 1068 ffb_switch_screen(sc); 1069 return 0; 1070 } 1071 1072
Indexes created Thu Sep 25 16:09:42 GMT 2025