ffb.c revision 1.11
1 /* $NetBSD: ffb.c,v 1.11 2005/05/04 14:38:44 martin 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 1.11 2005/05/04 14:38:44 martin 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 45 #include <machine/bus.h> 46 #include <machine/autoconf.h> 47 #include <machine/openfirm.h> 48 #include <machine/vmparam.h> 49 50 #include <dev/wscons/wsconsio.h> 51 #include <dev/sun/fbio.h> 52 #include <dev/sun/fbvar.h> 53 54 #include <sparc64/dev/ffbreg.h> 55 #include <sparc64/dev/ffbvar.h> 56 57 extern struct cfdriver ffb_cd; 58 59 struct wsscreen_descr ffb_stdscreen = { 60 "sunffb", 61 0, 0, /* will be filled in -- XXX shouldn't, it's global. */ 62 0, 63 0, 0, 64 WSSCREEN_REVERSE | WSSCREEN_WSCOLORS 65 }; 66 67 const struct wsscreen_descr *ffb_scrlist[] = { 68 &ffb_stdscreen, 69 /* XXX other formats? */ 70 }; 71 72 struct wsscreen_list ffb_screenlist = { 73 sizeof(ffb_scrlist) / sizeof(struct wsscreen_descr *), 74 ffb_scrlist 75 }; 76 77 int ffb_ioctl(void *, u_long, caddr_t, int, struct proc *); 78 int ffb_alloc_screen(void *, const struct wsscreen_descr *, void **, 79 int *, int *, long *); 80 static int ffb_blank(struct ffb_softc *, u_long, u_int *); 81 void ffb_free_screen(void *, void *); 82 int ffb_show_screen(void *, void *, int, void (*cb)(void *, int, int), 83 void *); 84 paddr_t ffb_mmap(void *, off_t, int); 85 void ffb_ras_fifo_wait(struct ffb_softc *, int); 86 void ffb_ras_wait(struct ffb_softc *); 87 void ffb_ras_init(struct ffb_softc *); 88 void ffb_ras_copyrows(void *, int, int, int); 89 void ffb_ras_erasecols(void *, int, int, int, long int); 90 void ffb_ras_eraserows(void *, int, int, long int); 91 void ffb_ras_do_cursor(struct rasops_info *); 92 void ffb_ras_fill(struct ffb_softc *); 93 void ffb_ras_setfg(struct ffb_softc *, int32_t); 94 95 /* frame buffer generic driver */ 96 static void ffbfb_unblank(struct device*); 97 dev_type_open(ffbfb_open); 98 dev_type_close(ffbfb_close); 99 dev_type_ioctl(ffbfb_ioctl); 100 dev_type_mmap(ffbfb_mmap); 101 static struct fbdriver ffb_fbdriver = { 102 ffbfb_unblank, ffbfb_open, ffbfb_close, ffbfb_ioctl, nopoll, 103 ffbfb_mmap, nokqfilter 104 }; 105 106 struct wsdisplay_accessops ffb_accessops = { 107 ffb_ioctl, 108 ffb_mmap, 109 ffb_alloc_screen, 110 ffb_free_screen, 111 ffb_show_screen, 112 NULL, /* load font */ 113 NULL, /* pollc */ 114 NULL, /* getwschar */ 115 NULL, /* putwschar */ 116 NULL, /* scroll */ 117 }; 118 119 void 120 ffb_attach(struct ffb_softc *sc) 121 { 122 struct wsemuldisplaydev_attach_args waa; 123 char *model; 124 int btype; 125 int maxrow, maxcol; 126 u_int blank = WSDISPLAYIO_VIDEO_ON; 127 char buf[6+1]; 128 129 printf(":"); 130 131 if (sc->sc_type == FFB_CREATOR) { 132 btype = prom_getpropint(sc->sc_node, "board_type", 0); 133 if ((btype & 7) == 3) 134 printf(" Creator3D"); 135 else 136 printf(" Creator"); 137 } else 138 printf(" Elite3D"); 139 140 model = prom_getpropstring(sc->sc_node, "model"); 141 if (model == NULL || strlen(model) == 0) 142 model = "unknown"; 143 144 sc->sc_depth = 24; 145 sc->sc_linebytes = 8192; 146 sc->sc_height = prom_getpropint(sc->sc_node, "height", 0); 147 sc->sc_width = prom_getpropint(sc->sc_node, "width", 0); 148 149 sc->sc_fb.fb_rinfo.ri_depth = 32; 150 sc->sc_fb.fb_rinfo.ri_stride = sc->sc_linebytes; 151 sc->sc_fb.fb_rinfo.ri_flg = RI_CENTER; 152 sc->sc_fb.fb_rinfo.ri_bits = (void *)bus_space_vaddr(sc->sc_bt, 153 sc->sc_pixel_h); 154 155 sc->sc_fb.fb_rinfo.ri_width = sc->sc_width; 156 sc->sc_fb.fb_rinfo.ri_height = sc->sc_height; 157 sc->sc_fb.fb_rinfo.ri_hw = sc; 158 159 maxcol = (prom_getoption("screen-#columns", buf, sizeof buf) == 0) 160 ? strtoul(buf, NULL, 10) 161 : 80; 162 163 maxrow = (prom_getoption("screen-#rows", buf, sizeof buf) != 0) 164 ? strtoul(buf, NULL, 10) 165 : 34; 166 167 rasops_init(&sc->sc_fb.fb_rinfo, maxrow, maxcol); 168 169 if ((sc->sc_dv.dv_cfdata->cf_flags & FFB_CFFLAG_NOACCEL) == 0) { 170 sc->sc_fb.fb_rinfo.ri_hw = sc; 171 sc->sc_fb.fb_rinfo.ri_ops.eraserows = ffb_ras_eraserows; 172 sc->sc_fb.fb_rinfo.ri_ops.erasecols = ffb_ras_erasecols; 173 sc->sc_fb.fb_rinfo.ri_ops.copyrows = ffb_ras_copyrows; 174 ffb_ras_init(sc); 175 } 176 177 ffb_stdscreen.nrows = sc->sc_fb.fb_rinfo.ri_rows; 178 ffb_stdscreen.ncols = sc->sc_fb.fb_rinfo.ri_cols; 179 ffb_stdscreen.textops = &sc->sc_fb.fb_rinfo.ri_ops; 180 181 /* collect DAC version, as Elite3D cursor enable bit is reversed */ 182 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_GVERS); 183 sc->sc_dacrev = DAC_READ(sc, FFB_DAC_VALUE) >> 28; 184 185 if (sc->sc_type == FFB_AFB) 186 sc->sc_dacrev = 10; 187 printf(", model %s, dac %u\n", model, sc->sc_dacrev); 188 189 ffb_blank(sc, WSDISPLAYIO_SVIDEO, &blank); 190 191 sc->sc_fb.fb_driver = &ffb_fbdriver; 192 sc->sc_fb.fb_type.fb_cmsize = 0; 193 sc->sc_fb.fb_type.fb_size = maxrow * sc->sc_linebytes; 194 sc->sc_fb.fb_type.fb_type = FBTYPE_CREATOR; 195 sc->sc_fb.fb_device = &sc->sc_dv; 196 fb_attach(&sc->sc_fb, sc->sc_console); 197 198 if (sc->sc_console) { 199 int *ccolp, *crowp; 200 long defattr; 201 202 if (romgetcursoraddr(&crowp, &ccolp)) 203 ccolp = crowp = NULL; 204 if (ccolp != NULL) 205 sc->sc_fb.fb_rinfo.ri_ccol = *ccolp; 206 if (crowp != NULL) 207 sc->sc_fb.fb_rinfo.ri_crow = *crowp; 208 209 sc->sc_fb.fb_rinfo.ri_ops.allocattr(&sc->sc_fb.fb_rinfo, 210 0, 0, 0, &defattr); 211 212 wsdisplay_cnattach(&ffb_stdscreen, &sc->sc_fb.fb_rinfo, 213 sc->sc_fb.fb_rinfo.ri_ccol, sc->sc_fb.fb_rinfo.ri_crow, defattr); 214 } 215 216 waa.console = sc->sc_console; 217 waa.scrdata = &ffb_screenlist; 218 waa.accessops = &ffb_accessops; 219 waa.accesscookie = sc; 220 config_found(&sc->sc_dv, &waa, wsemuldisplaydevprint); 221 } 222 223 int 224 ffb_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p) 225 { 226 struct ffb_softc *sc = v; 227 struct wsdisplay_fbinfo *wdf; 228 229 #ifdef FFBDEBUG 230 printf("ffb_ioctl: %s cmd _IO%s%s('%c', %lu)\n", 231 sc->sc_dv.dv_xname, 232 (cmd & IOC_IN) ? "W" : "", (cmd & IOC_OUT) ? "R" : "", 233 (char)IOCGROUP(cmd), cmd & 0xff); 234 #endif 235 236 switch (cmd) { 237 case FBIOGTYPE: 238 *(struct fbtype *)data = sc->sc_fb.fb_type; 239 break; 240 case FBIOGATTR: 241 #define fba ((struct fbgattr *)data) 242 fba->real_type = sc->sc_fb.fb_type.fb_type; 243 fba->owner = 0; /* XXX ??? */ 244 fba->fbtype = sc->sc_fb.fb_type; 245 fba->sattr.flags = 0; 246 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 247 fba->sattr.dev_specific[0] = -1; 248 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 249 fba->emu_types[1] = -1; 250 #undef fba 251 break; 252 253 case FBIOGETCMAP: 254 case FBIOPUTCMAP: 255 return EIO; 256 257 case FBIOGVIDEO: 258 case FBIOSVIDEO: 259 return ffb_blank(sc, cmd == FBIOGVIDEO? 260 WSDISPLAYIO_GVIDEO : WSDISPLAYIO_SVIDEO, 261 (u_int *)data); 262 break; 263 case FBIOGCURSOR: 264 printf("%s: FBIOGCURSOR not implemented\n", sc->sc_dv.dv_xname); 265 return EIO; 266 case FBIOSCURSOR: 267 printf("%s: FBIOSCURSOR not implemented\n", sc->sc_dv.dv_xname); 268 return EIO; 269 case FBIOGCURPOS: 270 printf("%s: FBIOGCURPOS not implemented\n", sc->sc_dv.dv_xname); 271 return EIO; 272 case FBIOSCURPOS: 273 printf("%s: FBIOSCURPOS not implemented\n", sc->sc_dv.dv_xname); 274 return EIO; 275 case FBIOGCURMAX: 276 printf("%s: FBIOGCURMAX not implemented\n", sc->sc_dv.dv_xname); 277 return EIO; 278 279 case WSDISPLAYIO_GTYPE: 280 *(u_int *)data = WSDISPLAY_TYPE_SUNFFB; 281 break; 282 case WSDISPLAYIO_SMODE: 283 sc->sc_mode = *(u_int *)data; 284 break; 285 case WSDISPLAYIO_GINFO: 286 wdf = (void *)data; 287 wdf->height = sc->sc_height; 288 wdf->width = sc->sc_width; 289 wdf->depth = 32; 290 wdf->cmsize = 256; /* XXX */ 291 break; 292 #ifdef WSDISPLAYIO_LINEBYTES 293 case WSDISPLAYIO_LINEBYTES: 294 *(u_int *)data = sc->sc_linebytes; 295 break; 296 #endif 297 case WSDISPLAYIO_GETCMAP: 298 break;/* XXX */ 299 300 case WSDISPLAYIO_PUTCMAP: 301 break;/* XXX */ 302 303 case WSDISPLAYIO_SVIDEO: 304 case WSDISPLAYIO_GVIDEO: 305 return(ffb_blank(sc, cmd, (u_int *)data)); 306 break; 307 case WSDISPLAYIO_GCURPOS: 308 case WSDISPLAYIO_SCURPOS: 309 case WSDISPLAYIO_GCURMAX: 310 case WSDISPLAYIO_GCURSOR: 311 case WSDISPLAYIO_SCURSOR: 312 return EIO; /* not supported yet */ 313 default: 314 return EPASSTHROUGH; 315 } 316 317 return (0); 318 } 319 320 int 321 ffb_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep, 322 int *curxp, int *curyp, long *attrp) 323 { 324 struct ffb_softc *sc = v; 325 326 if (sc->sc_nscreens > 0) 327 return (ENOMEM); 328 329 *cookiep = &sc->sc_fb.fb_rinfo; 330 *curyp = 0; 331 *curxp = 0; 332 333 sc->sc_fb.fb_rinfo.ri_ops.allocattr(&sc->sc_fb.fb_rinfo, 0, 0, 0, attrp); 334 335 sc->sc_nscreens++; 336 return (0); 337 } 338 339 /* blank/unblank the screen */ 340 static int 341 ffb_blank(struct ffb_softc *sc, u_long cmd, u_int *data) 342 { 343 u_int val; 344 345 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_GSBLANK); 346 val = DAC_READ(sc, FFB_DAC_VALUE); 347 348 switch (cmd) { 349 case WSDISPLAYIO_GVIDEO: 350 *data = val & 1; 351 return(0); 352 break; 353 case WSDISPLAYIO_SVIDEO: 354 if (*data == WSDISPLAYIO_VIDEO_OFF) 355 val &= ~1; 356 else if (*data == WSDISPLAYIO_VIDEO_ON) 357 val |= 1; 358 else 359 return(EINVAL); 360 break; 361 default: 362 return(EINVAL); 363 } 364 365 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_GSBLANK); 366 DAC_WRITE(sc, FFB_DAC_VALUE, val); 367 368 return(0); 369 } 370 371 void 372 ffb_free_screen(void *v, void *cookie) 373 { 374 struct ffb_softc *sc = v; 375 376 sc->sc_nscreens--; 377 } 378 379 int 380 ffb_show_screen(void *v, void *cookie, int waitok, 381 void (*cb)(void *, int, int), void *cbarg) 382 { 383 return (0); 384 } 385 386 paddr_t 387 ffb_mmap(void *vsc, off_t off, int prot) 388 { 389 struct ffb_softc *sc = vsc; 390 int i; 391 392 switch (sc->sc_mode) { 393 case WSDISPLAYIO_MODE_MAPPED: 394 for (i = 0; i < sc->sc_nreg; i++) { 395 /* Before this set? */ 396 if (off < sc->sc_addrs[i]) 397 continue; 398 /* After this set? */ 399 if (off >= (sc->sc_addrs[i] + sc->sc_sizes[i])) 400 continue; 401 402 return (bus_space_mmap(sc->sc_bt, sc->sc_addrs[i], 403 off - sc->sc_addrs[i], prot, BUS_SPACE_MAP_LINEAR)); 404 } 405 break; 406 #ifdef WSDISPLAYIO_MODE_DUMBFB 407 case WSDISPLAYIO_MODE_DUMBFB: 408 if (sc->sc_nreg < FFB_REG_DFB24) 409 break; 410 if (off >= 0 && off < sc->sc_sizes[FFB_REG_DFB24]) 411 return (bus_space_mmap(sc->sc_bt, 412 sc->sc_addrs[FFB_REG_DFB24], off, prot, 413 BUS_SPACE_MAP_LINEAR)); 414 break; 415 #endif 416 } 417 418 return (-1); 419 } 420 421 void 422 ffb_ras_fifo_wait(struct ffb_softc *sc, int n) 423 { 424 int32_t cache = sc->sc_fifo_cache; 425 426 if (cache < n) { 427 do { 428 cache = FBC_READ(sc, FFB_FBC_UCSR); 429 cache = (cache & FBC_UCSR_FIFO_MASK) - 8; 430 } while (cache < n); 431 } 432 sc->sc_fifo_cache = cache - n; 433 } 434 435 void 436 ffb_ras_wait(struct ffb_softc *sc) 437 { 438 u_int32_t ucsr, r; 439 440 while (1) { 441 ucsr = FBC_READ(sc, FFB_FBC_UCSR); 442 if ((ucsr & (FBC_UCSR_FB_BUSY|FBC_UCSR_RP_BUSY)) == 0) 443 break; 444 r = ucsr & (FBC_UCSR_READ_ERR | FBC_UCSR_FIFO_OVFL); 445 if (r != 0) 446 FBC_WRITE(sc, FFB_FBC_UCSR, r); 447 } 448 } 449 450 void 451 ffb_ras_init(struct ffb_softc *sc) 452 { 453 ffb_ras_fifo_wait(sc, 7); 454 FBC_WRITE(sc, FFB_FBC_PPC, 455 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | 456 FBC_PPC_APE_DIS | FBC_PPC_CS_CONST); 457 FBC_WRITE(sc, FFB_FBC_FBC, 458 FFB_FBC_WB_A | FFB_FBC_RB_A | FFB_FBC_SB_BOTH | 459 FFB_FBC_XE_OFF | FFB_FBC_RGBE_MASK); 460 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 461 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 462 FBC_WRITE(sc, FFB_FBC_PMASK, 0xffffffff); 463 FBC_WRITE(sc, FFB_FBC_FONTINC, 0x10000); 464 sc->sc_fg_cache = 0; 465 FBC_WRITE(sc, FFB_FBC_FG, sc->sc_fg_cache); 466 ffb_ras_wait(sc); 467 } 468 469 void 470 ffb_ras_eraserows(void *cookie, int row, int n, long attr) 471 { 472 struct rasops_info *ri = cookie; 473 struct ffb_softc *sc = ri->ri_hw; 474 475 if (row < 0) { 476 n += row; 477 row = 0; 478 } 479 if (row + n > ri->ri_rows) 480 n = ri->ri_rows - row; 481 if (n <= 0) 482 return; 483 484 ffb_ras_fill(sc); 485 ffb_ras_setfg(sc, ri->ri_devcmap[(attr >> 16) & 0xf]); 486 ffb_ras_fifo_wait(sc, 4); 487 if ((n == ri->ri_rows) && (ri->ri_flg & RI_FULLCLEAR)) { 488 FBC_WRITE(sc, FFB_FBC_BY, 0); 489 FBC_WRITE(sc, FFB_FBC_BX, 0); 490 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_height); 491 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_width); 492 } else { 493 row *= ri->ri_font->fontheight; 494 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + row); 495 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin); 496 FBC_WRITE(sc, FFB_FBC_BH, n * ri->ri_font->fontheight); 497 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_emuwidth); 498 } 499 ffb_ras_wait(sc); 500 } 501 502 void 503 ffb_ras_erasecols(void *cookie, int row, int col, int n, long attr) 504 { 505 struct rasops_info *ri = cookie; 506 struct ffb_softc *sc = ri->ri_hw; 507 508 if ((row < 0) || (row >= ri->ri_rows)) 509 return; 510 if (col < 0) { 511 n += col; 512 col = 0; 513 } 514 if (col + n > ri->ri_cols) 515 n = ri->ri_cols - col; 516 if (n <= 0) 517 return; 518 n *= ri->ri_font->fontwidth; 519 col *= ri->ri_font->fontwidth; 520 row *= ri->ri_font->fontheight; 521 522 ffb_ras_fill(sc); 523 ffb_ras_setfg(sc, ri->ri_devcmap[(attr >> 16) & 0xf]); 524 ffb_ras_fifo_wait(sc, 4); 525 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + row); 526 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin + col); 527 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_font->fontheight); 528 FBC_WRITE(sc, FFB_FBC_BW, n - 1); 529 ffb_ras_wait(sc); 530 } 531 532 void 533 ffb_ras_fill(struct ffb_softc *sc) 534 { 535 ffb_ras_fifo_wait(sc, 2); 536 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 537 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 538 ffb_ras_wait(sc); 539 } 540 541 void 542 ffb_ras_copyrows(void *cookie, int src, int dst, int n) 543 { 544 struct rasops_info *ri = cookie; 545 struct ffb_softc *sc = ri->ri_hw; 546 547 if (dst == src) 548 return; 549 if (src < 0) { 550 n += src; 551 src = 0; 552 } 553 if ((src + n) > ri->ri_rows) 554 n = ri->ri_rows - src; 555 if (dst < 0) { 556 n += dst; 557 dst = 0; 558 } 559 if ((dst + n) > ri->ri_rows) 560 n = ri->ri_rows - dst; 561 if (n <= 0) 562 return; 563 n *= ri->ri_font->fontheight; 564 src *= ri->ri_font->fontheight; 565 dst *= ri->ri_font->fontheight; 566 567 ffb_ras_fifo_wait(sc, 8); 568 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_OLD | (FBC_ROP_OLD << 8)); 569 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_VSCROLL); 570 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + src); 571 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin); 572 FBC_WRITE(sc, FFB_FBC_DY, ri->ri_yorigin + dst); 573 FBC_WRITE(sc, FFB_FBC_DX, ri->ri_xorigin); 574 FBC_WRITE(sc, FFB_FBC_BH, n); 575 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_emuwidth); 576 ffb_ras_wait(sc); 577 } 578 579 void 580 ffb_ras_setfg(struct ffb_softc *sc, int32_t fg) 581 { 582 ffb_ras_fifo_wait(sc, 1); 583 if (fg == sc->sc_fg_cache) 584 return; 585 sc->sc_fg_cache = fg; 586 FBC_WRITE(sc, FFB_FBC_FG, fg); 587 ffb_ras_wait(sc); 588 } 589 590 /* frame buffer generic driver support functions */ 591 static void 592 ffbfb_unblank(struct device *dev) 593 { 594 /* u_int on = 1; */ 595 596 if (dev && dev->dv_xname) 597 printf("%s: ffbfb_unblank\n", dev->dv_xname); 598 else 599 printf("ffbfb_unblank(%p)n", dev); 600 /* ffb_blank((struct ffb_softc*)dev, WSDISPLAYIO_SVIDEO, &on); */ 601 } 602 603 int 604 ffbfb_open(dev_t dev, int flags, int mode, struct proc *p) 605 { 606 int unit = minor(dev); 607 608 if (unit >= ffb_cd.cd_ndevs || ffb_cd.cd_devs[unit] == NULL) 609 return ENXIO; 610 611 return 0; 612 } 613 614 int 615 ffbfb_close(dev_t dev, int flags, int mode, struct proc *p) 616 { 617 return 0; 618 } 619 620 int 621 ffbfb_ioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p) 622 { 623 struct ffb_softc *sc = ffb_cd.cd_devs[minor(dev)]; 624 625 return ffb_ioctl(sc, cmd, data, flags, p); 626 } 627 628 paddr_t 629 ffbfb_mmap(dev_t dev, off_t off, int prot) 630 { 631 struct ffb_softc *sc = ffb_cd.cd_devs[minor(dev)]; 632 int i, reg; 633 off_t o; 634 635 /* 636 * off is a magic cookie (see xfree86/drivers/sunffb/ffb.h), 637 * which we map to an index into the "reg" property, and use 638 * our copy of the firmware data as arguments for the real 639 * mapping. 640 */ 641 static struct { unsigned long voff; int reg; } map[] = { 642 { 0x00000000, FFB_REG_SFB8R }, 643 { 0x00400000, FFB_REG_SFB8G }, 644 { 0x00800000, FFB_REG_SFB8B }, 645 { 0x00c00000, FFB_REG_SFB8X }, 646 { 0x01000000, FFB_REG_SFB32 }, 647 { 0x02000000, FFB_REG_SFB64 }, 648 { 0x04000000, FFB_REG_FBC }, 649 { 0x04004000, FFB_REG_DFB8R }, 650 { 0x04404000, FFB_REG_DFB8G }, 651 { 0x04804000, FFB_REG_DFB8B }, 652 { 0x04c04000, FFB_REG_DFB8X }, 653 { 0x05004000, FFB_REG_DFB24 }, 654 { 0x06004000, FFB_REG_DFB32 }, 655 { 0x07004000, FFB_REG_DFB422A }, 656 { 0x0bc06000, FFB_REG_DAC }, 657 { 0x0bc08000, FFB_REG_PROM }, 658 }; 659 660 /* special value "FFB_EXP_VOFF" - not backed by any "reg" entry */ 661 if (off == 0x0bc18000) 662 return bus_space_mmap(sc->sc_bt, sc->sc_addrs[FFB_REG_PROM], 663 0x00200000, prot, BUS_SPACE_MAP_LINEAR); 664 665 #define NELEMS(arr) (sizeof(arr)/sizeof((arr)[0])) 666 667 /* the map is ordered by voff */ 668 for (i = 0; i < NELEMS(map); i++) { 669 if (map[i].voff > off) 670 break; /* beyound */ 671 reg = map[i].reg; 672 if (map[i].voff + sc->sc_sizes[reg] < off) 673 continue; /* not there yet */ 674 if (off > map[i].voff + sc->sc_sizes[reg]) 675 break; /* out of range */ 676 o = off - map[i].voff; 677 return bus_space_mmap(sc->sc_bt, sc->sc_addrs[reg], o, prot, 678 BUS_SPACE_MAP_LINEAR); 679 } 680 681 return -1; 682 } 683
Indexes created Thu Sep 25 16:09:42 GMT 2025