ffb.c revision 1.1
1 /* $NetBSD: ffb.c,v 1.1 2003/05/23 06:51:15 petrov 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/types.h> 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/device.h> 40 #include <sys/conf.h> 41 42 #include <machine/bus.h> 43 #include <machine/autoconf.h> 44 #include <machine/openfirm.h> 45 46 #include <dev/wscons/wsconsio.h> 47 #include <dev/wscons/wsdisplayvar.h> 48 #include <dev/wscons/wscons_raster.h> 49 #include <dev/rasops/rasops.h> 50 51 #include <sparc64/dev/ffbreg.h> 52 #include <sparc64/dev/ffbvar.h> 53 54 struct wsscreen_descr ffb_stdscreen = { 55 "std", 56 0, 0, /* will be filled in -- XXX shouldn't, it's global. */ 57 0, 58 0, 0, 59 WSSCREEN_REVERSE | WSSCREEN_WSCOLORS 60 }; 61 62 const struct wsscreen_descr *ffb_scrlist[] = { 63 &ffb_stdscreen, 64 /* XXX other formats? */ 65 }; 66 67 struct wsscreen_list ffb_screenlist = { 68 sizeof(ffb_scrlist) / sizeof(struct wsscreen_descr *), 69 ffb_scrlist 70 }; 71 72 int ffb_ioctl(void *, u_long, caddr_t, int, struct proc *); 73 int ffb_alloc_screen(void *, const struct wsscreen_descr *, void **, 74 int *, int *, long *); 75 void ffb_free_screen(void *, void *); 76 int ffb_show_screen(void *, void *, int, void (*cb)(void *, int, int), 77 void *); 78 paddr_t ffb_mmap(void *, off_t, int); 79 static int a2int(char *, int); 80 void ffb_ras_fifo_wait(struct ffb_softc *, int); 81 void ffb_ras_wait(struct ffb_softc *); 82 void ffb_ras_init(struct ffb_softc *); 83 void ffb_ras_copyrows(void *, int, int, int); 84 void ffb_ras_erasecols(void *, int, int, int, long int); 85 void ffb_ras_eraserows(void *, int, int, long int); 86 void ffb_ras_do_cursor(struct rasops_info *); 87 void ffb_ras_fill(struct ffb_softc *); 88 void ffb_ras_setfg(struct ffb_softc *, int32_t); 89 90 struct wsdisplay_accessops ffb_accessops = { 91 ffb_ioctl, 92 ffb_mmap, 93 ffb_alloc_screen, 94 ffb_free_screen, 95 ffb_show_screen, 96 NULL, /* load font */ 97 NULL, /* scrollback */ 98 NULL, /* getchar */ 99 NULL, /* burner */ 100 }; 101 102 void 103 ffb_attach(struct ffb_softc *sc) 104 { 105 struct wsemuldisplaydev_attach_args waa; 106 char *model; 107 int btype; 108 109 printf(":"); 110 111 if (sc->sc_type == FFB_CREATOR) { 112 btype = PROM_getpropint(sc->sc_node, "board_type", 0); 113 if ((btype & 7) == 3) 114 printf(" Creator3D"); 115 else 116 printf(" Creator"); 117 } else 118 printf(" Elite3D"); 119 120 model = PROM_getpropstring(sc->sc_node, "model"); 121 if (model == NULL || strlen(model) == 0) 122 model = "unknown"; 123 124 printf(", model %s\n", model); 125 126 sc->sc_depth = 24; 127 sc->sc_linebytes = 8192; 128 sc->sc_height = PROM_getpropint(sc->sc_node, "height", 0); 129 sc->sc_width = PROM_getpropint(sc->sc_node, "width", 0); 130 131 sc->sc_rasops.ri_depth = 32; 132 sc->sc_rasops.ri_stride = sc->sc_linebytes; 133 sc->sc_rasops.ri_flg = RI_CENTER; 134 sc->sc_rasops.ri_bits = (void *)bus_space_vaddr(sc->sc_bt, 135 sc->sc_pixel_h); 136 137 sc->sc_rasops.ri_width = sc->sc_width; 138 sc->sc_rasops.ri_height = sc->sc_height; 139 sc->sc_rasops.ri_hw = sc; 140 141 rasops_init(&sc->sc_rasops, 142 a2int(PROM_getpropstring(optionsnode, "screen-#rows"), 34), 143 a2int(PROM_getpropstring(optionsnode, "screen-#columns"), 80)); 144 145 if ((sc->sc_dv.dv_cfdata->cf_flags & FFB_CFFLAG_NOACCEL) == 0) { 146 sc->sc_rasops.ri_hw = sc; 147 sc->sc_rasops.ri_ops.eraserows = ffb_ras_eraserows; 148 sc->sc_rasops.ri_ops.erasecols = ffb_ras_erasecols; 149 sc->sc_rasops.ri_ops.copyrows = ffb_ras_copyrows; 150 ffb_ras_init(sc); 151 } 152 153 ffb_stdscreen.nrows = sc->sc_rasops.ri_rows; 154 ffb_stdscreen.ncols = sc->sc_rasops.ri_cols; 155 ffb_stdscreen.textops = &sc->sc_rasops.ri_ops; 156 157 if (sc->sc_console) { 158 int *ccolp, *crowp; 159 long defattr; 160 161 if (romgetcursoraddr(&crowp, &ccolp)) 162 ccolp = crowp = NULL; 163 if (ccolp != NULL) 164 sc->sc_rasops.ri_ccol = *ccolp; 165 if (crowp != NULL) 166 sc->sc_rasops.ri_crow = *crowp; 167 168 sc->sc_rasops.ri_ops.allocattr(&sc->sc_rasops, 169 0, 0, 0, &defattr); 170 171 wsdisplay_cnattach(&ffb_stdscreen, &sc->sc_rasops, 172 sc->sc_rasops.ri_ccol, sc->sc_rasops.ri_crow, defattr); 173 } 174 175 waa.console = sc->sc_console; 176 waa.scrdata = &ffb_screenlist; 177 waa.accessops = &ffb_accessops; 178 waa.accesscookie = sc; 179 config_found(&sc->sc_dv, &waa, wsemuldisplaydevprint); 180 } 181 182 int 183 ffb_ioctl(v, cmd, data, flags, p) 184 void *v; 185 u_long cmd; 186 caddr_t data; 187 int flags; 188 struct proc *p; 189 { 190 struct ffb_softc *sc = v; 191 struct wsdisplay_fbinfo *wdf; 192 193 printf("ffb_ioctl: %s cmd _IO%s%s('%c', %lu)\n", 194 sc->sc_dv.dv_xname, 195 (cmd & IOC_IN) ? "W" : "", (cmd & IOC_OUT) ? "R" : "", 196 (char)IOCGROUP(cmd), cmd & 0xff); 197 198 switch (cmd) { 199 case WSDISPLAYIO_GTYPE: 200 *(u_int *)data = WSDISPLAY_TYPE_SUN24; 201 break; 202 case WSDISPLAYIO_SMODE: 203 sc->sc_mode = *(u_int *)data; 204 break; 205 case WSDISPLAYIO_GINFO: 206 wdf = (void *)data; 207 wdf->height = sc->sc_height; 208 wdf->width = sc->sc_width; 209 wdf->depth = 32; 210 wdf->cmsize = 256; /* XXX */ 211 break; 212 #ifdef WSDISPLAYIO_LINEBYTES 213 case WSDISPLAYIO_LINEBYTES: 214 *(u_int *)data = sc->sc_linebytes; 215 break; 216 #endif 217 case WSDISPLAYIO_GETCMAP: 218 break;/* XXX */ 219 220 case WSDISPLAYIO_PUTCMAP: 221 break;/* XXX */ 222 223 case WSDISPLAYIO_SVIDEO: 224 case WSDISPLAYIO_GVIDEO: 225 case WSDISPLAYIO_GCURPOS: 226 case WSDISPLAYIO_SCURPOS: 227 case WSDISPLAYIO_GCURMAX: 228 case WSDISPLAYIO_GCURSOR: 229 case WSDISPLAYIO_SCURSOR: 230 default: 231 return -1; /* not supported yet */ 232 } 233 234 return (0); 235 } 236 237 int 238 ffb_alloc_screen(v, type, cookiep, curxp, curyp, attrp) 239 void *v; 240 const struct wsscreen_descr *type; 241 void **cookiep; 242 int *curxp, *curyp; 243 long *attrp; 244 { 245 struct ffb_softc *sc = v; 246 247 if (sc->sc_nscreens > 0) 248 return (ENOMEM); 249 250 *cookiep = &sc->sc_rasops; 251 *curyp = 0; 252 *curxp = 0; 253 254 sc->sc_rasops.ri_ops.allocattr(&sc->sc_rasops, 0, 0, 0, attrp); 255 256 sc->sc_nscreens++; 257 return (0); 258 } 259 260 void 261 ffb_free_screen(v, cookie) 262 void *v; 263 void *cookie; 264 { 265 struct ffb_softc *sc = v; 266 267 sc->sc_nscreens--; 268 } 269 270 int 271 ffb_show_screen(v, cookie, waitok, cb, cbarg) 272 void *v; 273 void *cookie; 274 int waitok; 275 void (*cb)(void *, int, int); 276 void *cbarg; 277 { 278 return (0); 279 } 280 281 paddr_t 282 ffb_mmap(vsc, off, prot) 283 void *vsc; 284 off_t off; 285 int prot; 286 { 287 struct ffb_softc *sc = vsc; 288 int i; 289 290 switch (sc->sc_mode) { 291 case WSDISPLAYIO_MODE_MAPPED: 292 for (i = 0; i < sc->sc_nreg; i++) { 293 /* Before this set? */ 294 if (off < sc->sc_addrs[i]) 295 continue; 296 /* After this set? */ 297 if (off >= (sc->sc_addrs[i] + sc->sc_sizes[i])) 298 continue; 299 300 return (bus_space_mmap(sc->sc_bt, sc->sc_addrs[i], 301 off - sc->sc_addrs[i], prot, BUS_SPACE_MAP_LINEAR)); 302 } 303 break; 304 #ifdef WSDISPLAYIO_MODE_DUMBFB 305 case WSDISPLAYIO_MODE_DUMBFB: 306 if (sc->sc_nreg < FFB_REG_DFB24) 307 break; 308 if (off >= 0 && off < sc->sc_sizes[FFB_REG_DFB24]) 309 return (bus_space_mmap(sc->sc_bt, 310 sc->sc_addrs[FFB_REG_DFB24], off, prot, 311 BUS_SPACE_MAP_LINEAR)); 312 break; 313 #endif 314 } 315 316 return (-1); 317 } 318 319 static int 320 a2int(char *cp, int deflt) 321 { 322 int i = 0; 323 324 if (*cp == '\0') 325 return (deflt); 326 while (*cp != '\0') 327 i = i * 10 + *cp++ - '0'; 328 return (i); 329 } 330 331 void 332 ffb_ras_fifo_wait(sc, n) 333 struct ffb_softc *sc; 334 int n; 335 { 336 int32_t cache = sc->sc_fifo_cache; 337 338 if (cache < n) { 339 do { 340 cache = FBC_READ(sc, FFB_FBC_UCSR); 341 cache = (cache & FBC_UCSR_FIFO_MASK) - 8; 342 } while (cache < n); 343 } 344 sc->sc_fifo_cache = cache - n; 345 } 346 347 void 348 ffb_ras_wait(sc) 349 struct ffb_softc *sc; 350 { 351 u_int32_t ucsr, r; 352 353 while (1) { 354 ucsr = FBC_READ(sc, FFB_FBC_UCSR); 355 if ((ucsr & (FBC_UCSR_FB_BUSY|FBC_UCSR_RP_BUSY)) == 0) 356 break; 357 r = ucsr & (FBC_UCSR_READ_ERR | FBC_UCSR_FIFO_OVFL); 358 if (r != 0) 359 FBC_WRITE(sc, FFB_FBC_UCSR, r); 360 } 361 } 362 363 void 364 ffb_ras_init(sc) 365 struct ffb_softc *sc; 366 { 367 ffb_ras_fifo_wait(sc, 7); 368 FBC_WRITE(sc, FFB_FBC_PPC, 369 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | 370 FBC_PPC_APE_DIS | FBC_PPC_CS_CONST); 371 FBC_WRITE(sc, FFB_FBC_FBC, 372 FFB_FBC_WB_A | FFB_FBC_RB_A | FFB_FBC_SB_BOTH | 373 FFB_FBC_XE_OFF | FFB_FBC_RGBE_MASK); 374 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 375 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 376 FBC_WRITE(sc, FFB_FBC_PMASK, 0xffffffff); 377 FBC_WRITE(sc, FFB_FBC_FONTINC, 0x10000); 378 sc->sc_fg_cache = 0; 379 FBC_WRITE(sc, FFB_FBC_FG, sc->sc_fg_cache); 380 ffb_ras_wait(sc); 381 } 382 383 void 384 ffb_ras_eraserows(cookie, row, n, attr) 385 void *cookie; 386 int row, n; 387 long int attr; 388 { 389 struct rasops_info *ri = cookie; 390 struct ffb_softc *sc = ri->ri_hw; 391 392 if (row < 0) { 393 n += row; 394 row = 0; 395 } 396 if (row + n > ri->ri_rows) 397 n = ri->ri_rows - row; 398 if (n <= 0) 399 return; 400 401 ffb_ras_fill(sc); 402 ffb_ras_setfg(sc, ri->ri_devcmap[(attr >> 16) & 0xf]); 403 ffb_ras_fifo_wait(sc, 4); 404 if ((n == ri->ri_rows) && (ri->ri_flg & RI_FULLCLEAR)) { 405 FBC_WRITE(sc, FFB_FBC_BY, 0); 406 FBC_WRITE(sc, FFB_FBC_BX, 0); 407 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_height); 408 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_width); 409 } else { 410 row *= ri->ri_font->fontheight; 411 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + row); 412 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin); 413 FBC_WRITE(sc, FFB_FBC_BH, n * ri->ri_font->fontheight); 414 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_emuwidth); 415 } 416 ffb_ras_wait(sc); 417 } 418 419 void 420 ffb_ras_erasecols(cookie, row, col, n, attr) 421 void *cookie; 422 int row, col, n; 423 long int attr; 424 { 425 struct rasops_info *ri = cookie; 426 struct ffb_softc *sc = ri->ri_hw; 427 428 if ((row < 0) || (row >= ri->ri_rows)) 429 return; 430 if (col < 0) { 431 n += col; 432 col = 0; 433 } 434 if (col + n > ri->ri_cols) 435 n = ri->ri_cols - col; 436 if (n <= 0) 437 return; 438 n *= ri->ri_font->fontwidth; 439 col *= ri->ri_font->fontwidth; 440 row *= ri->ri_font->fontheight; 441 442 ffb_ras_fill(sc); 443 ffb_ras_setfg(sc, ri->ri_devcmap[(attr >> 16) & 0xf]); 444 ffb_ras_fifo_wait(sc, 4); 445 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + row); 446 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin + col); 447 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_font->fontheight); 448 FBC_WRITE(sc, FFB_FBC_BW, n - 1); 449 ffb_ras_wait(sc); 450 } 451 452 void 453 ffb_ras_fill(sc) 454 struct ffb_softc *sc; 455 { 456 ffb_ras_fifo_wait(sc, 2); 457 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 458 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 459 ffb_ras_wait(sc); 460 } 461 462 void 463 ffb_ras_copyrows(cookie, src, dst, n) 464 void *cookie; 465 int src, dst, n; 466 { 467 struct rasops_info *ri = cookie; 468 struct ffb_softc *sc = ri->ri_hw; 469 470 if (dst == src) 471 return; 472 if (src < 0) { 473 n += src; 474 src = 0; 475 } 476 if ((src + n) > ri->ri_rows) 477 n = ri->ri_rows - src; 478 if (dst < 0) { 479 n += dst; 480 dst = 0; 481 } 482 if ((dst + n) > ri->ri_rows) 483 n = ri->ri_rows - dst; 484 if (n <= 0) 485 return; 486 n *= ri->ri_font->fontheight; 487 src *= ri->ri_font->fontheight; 488 dst *= ri->ri_font->fontheight; 489 490 ffb_ras_fifo_wait(sc, 8); 491 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_OLD | (FBC_ROP_OLD << 8)); 492 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_VSCROLL); 493 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + src); 494 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin); 495 FBC_WRITE(sc, FFB_FBC_DY, ri->ri_yorigin + dst); 496 FBC_WRITE(sc, FFB_FBC_DX, ri->ri_xorigin); 497 FBC_WRITE(sc, FFB_FBC_BH, n); 498 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_emuwidth); 499 ffb_ras_wait(sc); 500 } 501 502 void 503 ffb_ras_setfg(sc, fg) 504 struct ffb_softc *sc; 505 int32_t fg; 506 { 507 ffb_ras_fifo_wait(sc, 1); 508 if (fg == sc->sc_fg_cache) 509 return; 510 sc->sc_fg_cache = fg; 511 FBC_WRITE(sc, FFB_FBC_FG, fg); 512 ffb_ras_wait(sc); 513 } 514
Indexes created Wed Sep 24 22:09:59 GMT 2025