macfb.c revision 1.1.2.3
1 /* $NetBSD: macfb.c,v 1.1.2.3 1999/05/16 23:34:37 scottr Exp $ */ 2 /* 3 * Copyright (c) 1998 Matt DeBergalis 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Matt DeBergalis 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "opt_wsdisplay_compat.h" 33 34 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #ifdef WSDISPLAY_COMPAT_GRF 42 #include <sys/device.h> 43 #include <sys/mman.h> 44 #include <sys/proc.h> 45 #include <sys/vnode.h> 46 #endif /* WSDISPLAY_COMPAT_GRF */ 47 48 #include <machine/cpu.h> 49 #include <machine/bus.h> 50 51 #ifdef WSDISPLAY_COMPAT_GRF 52 #include <miscfs/specfs/specdev.h> 53 54 #include <vm/vm.h> 55 #include <vm/vm_kern.h> 56 #include <vm/vm_page.h> 57 #include <vm/vm_pager.h> 58 59 #include <uvm/uvm.h> 60 #endif /* WSDISPLAY_COMPAT_GRF */ 61 62 #include <machine/grfioctl.h> 63 #include <mac68k/nubus/nubus.h> 64 #include <mac68k/dev/grfvar.h> 65 #include <mac68k/dev/macfbvar.h> 66 #include <dev/wscons/wsconsio.h> 67 68 #ifdef WSDISPLAY_COMPAT_ITE 69 #include <machine/iteioctl.h> 70 #endif /* WSDISPLAY_COMPAT_ITE */ 71 72 #include <dev/rcons/raster.h> 73 #include <dev/wscons/wscons_raster.h> 74 #include <dev/wscons/wsdisplayvar.h> 75 76 int macfb_match __P((struct device *, struct cfdata *, void *)); 77 void macfb_attach __P((struct device *, struct device *, void *)); 78 79 struct cfattach macfb_ca = { 80 sizeof(struct macfb_softc), 81 macfb_match, 82 macfb_attach, 83 }; 84 85 const struct wsdisplay_emulops macfb_emulops = { 86 rcons_cursor, 87 rcons_mapchar, 88 rcons_putchar, 89 rcons_copycols, 90 rcons_erasecols, 91 rcons_copyrows, 92 rcons_eraserows, 93 rcons_alloc_attr 94 }; 95 96 struct wsscreen_descr macfb_stdscreen = { 97 "std", 98 0, 0, /* will be filled in -- XXX shouldn't, it's global */ 99 &macfb_emulops, 100 0, 0, 101 WSSCREEN_REVERSE 102 }; 103 104 const struct wsscreen_descr *_macfb_scrlist[] = { 105 &macfb_stdscreen, 106 }; 107 108 const struct wsscreen_list macfb_screenlist = { 109 sizeof(_macfb_scrlist) / sizeof(struct wsscreen_descr *), 110 _macfb_scrlist 111 }; 112 113 static int macfb_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 114 static int macfb_mmap __P((void *, off_t, int)); 115 static int macfb_alloc_screen __P((void *, const struct wsscreen_descr *, 116 void **, int *, int *, long *)); 117 static void macfb_free_screen __P((void *, void *)); 118 static void macfb_show_screen __P((void *, void *)); 119 120 const struct wsdisplay_accessops macfb_accessops = { 121 macfb_ioctl, 122 macfb_mmap, 123 macfb_alloc_screen, 124 macfb_free_screen, 125 macfb_show_screen, 126 0 /* load_font */ 127 }; 128 129 void macfb_init __P((struct macfb_devconfig *)); 130 131 paddr_t macfb_consaddr; 132 static int macfb_is_console __P((paddr_t addr)); 133 #ifdef WSDISPLAY_COMPAT_ITEFONT 134 static void init_itefont __P((void)); 135 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 136 #ifdef WSDISPLAY_COMPAT_GRF 137 int macfb_grfmap __P((void *, caddr_t *, struct proc *)); 138 int macfb_grfunmap __P((void *, caddr_t, struct proc *)); 139 #endif /* WSDISPLAY_COMPAT_GRF */ 140 141 static struct macfb_devconfig macfb_console_dc; 142 143 /* From Booter via locore */ 144 extern long videoaddr; 145 extern long videorowbytes; 146 extern long videobitdepth; 147 extern u_long videosize; 148 extern u_int32_t mac68k_vidlog; 149 extern u_int32_t mac68k_vidphys; 150 extern u_int32_t mac68k_vidlen; 151 152 static int 153 macfb_is_console(paddr_t addr) 154 { 155 return ((mac68k_machine.serial_console & 0x03) == 0 156 && (addr == macfb_consaddr)); 157 } 158 159 void 160 macfb_init(dc) 161 struct macfb_devconfig *dc; 162 { 163 struct raster *rap; 164 struct rcons *rcp; 165 int i; 166 167 /* clear the display */ 168 for (i = 0; i < (dc->dc_ht * dc->dc_rowbytes); i += dc->dc_rowbytes) 169 bzero((u_char *)dc->dc_vaddr + dc->dc_offset + i, 170 dc->dc_rowbytes); 171 172 #ifdef WSDISPLAY_COMPAT_ITEFONT 173 init_itefont(); 174 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 175 176 rap = &dc->dc_raster; 177 rap->width = dc->dc_wid; 178 rap->height = dc->dc_ht; 179 rap->depth = dc->dc_depth; 180 rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t); 181 rap->pixels = (u_int32_t *)dc->dc_vaddr + dc->dc_offset; 182 183 /* initialize the raster console blitter */ 184 rcp = &dc->dc_rcons; 185 rcp->rc_sp = rap; 186 rcp->rc_crow = rcp->rc_ccol = -1; 187 rcp->rc_crowp = &rcp->rc_crow; 188 rcp->rc_ccolp = &rcp->rc_ccol; 189 rcons_init(rcp, 128, 128); 190 191 macfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow; 192 macfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol; 193 } 194 195 int 196 macfb_match(parent, match, aux) 197 struct device *parent; 198 struct cfdata *match; 199 void *aux; 200 { 201 return (1); 202 } 203 204 void 205 macfb_attach(parent, self, aux) 206 struct device *parent; 207 struct device *self; 208 void *aux; 209 { 210 struct grfbus_attach_args *ga = aux; 211 struct grfmode *gm = ga->ga_grfmode; 212 struct macfb_softc *sc; 213 struct wsemuldisplaydev_attach_args waa; 214 int isconsole; 215 216 sc = (struct macfb_softc *)self; 217 218 printf("\n"); 219 220 isconsole = macfb_is_console(ga->ga_phys); 221 222 if (isconsole) { 223 sc->sc_dc = &macfb_console_dc; 224 sc->nscreens = 1; 225 } else { 226 sc->sc_dc = malloc(sizeof(struct macfb_devconfig), M_DEVBUF, M_WAITOK); 227 sc->sc_dc->dc_vaddr = (vaddr_t)gm->fbbase; 228 sc->sc_dc->dc_paddr = ga->ga_phys; 229 sc->sc_dc->dc_size = gm->fbsize; 230 231 sc->sc_dc->dc_wid = gm->width; 232 sc->sc_dc->dc_ht = gm->height; 233 sc->sc_dc->dc_depth = gm->psize; 234 sc->sc_dc->dc_rowbytes = gm->rowbytes; 235 236 sc->sc_dc->dc_offset = gm->fboff; 237 238 macfb_init(sc->sc_dc); 239 240 sc->nscreens = 1; 241 } 242 243 /* initialize the raster */ 244 waa.console = isconsole; 245 waa.scrdata = &macfb_screenlist; 246 waa.accessops = &macfb_accessops; 247 waa.accesscookie = sc; 248 249 config_found(self, &waa, wsemuldisplaydevprint); 250 } 251 252 253 int 254 macfb_ioctl(v, cmd, data, flag, p) 255 void *v; 256 u_long cmd; 257 caddr_t data; 258 int flag; 259 struct proc *p; 260 { 261 struct macfb_softc *sc = v; 262 struct macfb_devconfig *dc = sc->sc_dc; 263 struct wsdisplay_fbinfo *wdf; 264 #ifdef WSDISPLAY_COMPAT_GRF 265 struct grfinfo *gd; 266 struct grfmode *gm; 267 #endif /* WSDISPLAY_COMPAT_GRF */ 268 269 switch (cmd) { 270 case WSDISPLAYIO_GTYPE: 271 *(int *)data = dc->dc_type; 272 return 0; 273 274 case WSDISPLAYIO_GINFO: 275 wdf = (struct wsdisplay_fbinfo *)data; 276 wdf->height = dc->dc_raster.height; 277 wdf->width = dc->dc_raster.width; 278 wdf->depth = dc->dc_raster.depth; 279 wdf->cmsize = 256; 280 return 0; 281 282 case WSDISPLAYIO_GCURMAX: 283 case WSDISPLAYIO_GCURPOS: 284 case WSDISPLAYIO_GCURSOR: 285 case WSDISPLAYIO_GETCMAP: 286 case WSDISPLAYIO_GVIDEO: 287 case WSDISPLAYIO_PUTCMAP: 288 case WSDISPLAYIO_SCURPOS: 289 case WSDISPLAYIO_SCURSOR: 290 case WSDISPLAYIO_SVIDEO: 291 /* NONE of these operations are supported. */ 292 return ENOTTY; 293 294 #ifdef WSDISPLAY_COMPAT_ITE 295 case ITEIOC_GETBELL: 296 case ITEIOC_SETBELL: 297 case ITEIOC_RINGBELL: 298 /* NONE of these operations are supported. */ 299 return ENOTTY; 300 301 #endif /* WSDISPLAY_COMPAT_ITE */ 302 #ifdef WSDISPLAY_COMPAT_GRF 303 case GRFIOCGINFO: 304 gd = (struct grfinfo *)data; 305 bzero(gd, sizeof(struct grfinfo)); 306 gd->gd_fbaddr = (caddr_t)dc->dc_paddr; 307 gd->gd_fbsize = dc->dc_size; 308 gd->gd_colors = (short)(1 << dc->dc_depth); 309 gd->gd_planes = (short)dc->dc_depth; 310 gd->gd_fbwidth = dc->dc_wid; 311 gd->gd_fbheight = dc->dc_ht; 312 gd->gd_fbrowbytes = dc->dc_rowbytes; 313 gd->gd_dwidth = dc->dc_raster.width; 314 gd->gd_dheight = dc->dc_raster.height; 315 return 0; 316 317 case GRFIOCON: 318 case GRFIOCOFF: 319 /* Nothing to do */ 320 return 0; 321 322 case GRFIOCMAP: 323 return macfb_grfmap(v, (caddr_t *)data, p); 324 325 case GRFIOCUNMAP: 326 return macfb_grfunmap(v, *(caddr_t *)data, p); 327 328 case GRFIOCGMODE: 329 gm = (struct grfmode *)data; 330 bzero(gm, sizeof(struct grfmode)); 331 gm->fbbase = (char *)dc->dc_vaddr; 332 gm->fbsize = dc->dc_size; 333 gm->fboff = dc->dc_offset; 334 gm->rowbytes = dc->dc_rowbytes; 335 gm->width = dc->dc_wid; 336 gm->height = dc->dc_ht; 337 gm->psize = dc->dc_depth; 338 return 0; 339 340 case GRFIOCLISTMODES: 341 case GRFIOCGETMODE: 342 case GRFIOCSETMODE: 343 /* NONE of these operations are (or ever were) supported. */ 344 return ENOTTY; 345 #endif /* WSDISPLAY_COMPAT_GRF */ 346 } 347 348 return -1; 349 } 350 351 static int 352 macfb_mmap(v, offset, prot) 353 void *v; 354 off_t offset; 355 int prot; 356 { 357 struct macfb_softc *sc = v; 358 struct macfb_devconfig *dc = sc->sc_dc; 359 u_long addr; 360 361 if (offset >= 0 && 362 offset < m68k_round_page(dc->dc_rowbytes * dc->dc_ht)) 363 addr = m68k_btop(dc->dc_paddr + dc->dc_offset + offset); 364 else 365 addr = (-1); /* XXX bogus */ 366 367 return (int)addr; 368 } 369 370 int 371 macfb_alloc_screen(v, type, cookiep, curxp, curyp, defattrp) 372 void *v; 373 const struct wsscreen_descr *type; 374 void **cookiep; 375 int *curxp, *curyp; 376 long *defattrp; 377 { 378 struct macfb_softc *sc = v; 379 long defattr; 380 381 if (sc->nscreens > 0) 382 return (ENOMEM); 383 384 *cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */ 385 *curxp = 0; 386 *curyp = 0; 387 rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr); 388 *defattrp = defattr; 389 sc->nscreens++; 390 return (0); 391 } 392 393 void 394 macfb_free_screen(v, cookie) 395 void *v; 396 void *cookie; 397 { 398 struct macfb_softc *sc = v; 399 400 if (sc->sc_dc == &macfb_console_dc) 401 panic("cfb_free_screen: console"); 402 403 sc->nscreens--; 404 } 405 406 void 407 macfb_show_screen(v, cookie) 408 void *v; 409 void *cookie; 410 { 411 } 412 413 int 414 macfb_cnattach(addr) 415 paddr_t addr; 416 { 417 struct macfb_devconfig *dc = &macfb_console_dc; 418 long defattr; 419 420 dc->dc_vaddr = videoaddr; 421 dc->dc_paddr = mac68k_vidphys; 422 423 dc->dc_wid = videosize & 0xffff; 424 dc->dc_ht = (videosize >> 16) & 0xffff; 425 dc->dc_depth = videobitdepth; 426 dc->dc_rowbytes = videorowbytes; 427 428 dc->dc_size = (mac68k_vidlen > 0) ? 429 mac68k_vidlen : dc->dc_ht * dc->dc_rowbytes; 430 dc->dc_offset = 0; 431 432 /* set up the display */ 433 macfb_init(&macfb_console_dc); 434 435 rcons_alloc_attr(&dc->dc_rcons, 0, 0, 0, &defattr); 436 437 wsdisplay_cnattach(&macfb_stdscreen, &dc->dc_rcons, 438 0, 0, defattr); 439 440 macfb_consaddr = addr; 441 dc->isconsole = 1; 442 return (0); 443 } 444 445 #ifdef WSDISPLAY_COMPAT_ITEFONT 446 #include <mac68k/dev/6x10.h> 447 448 void 449 init_itefont() 450 { 451 static int itefont_initted = 0; 452 int i, j; 453 454 extern struct raster_font gallant19; /* XXX */ 455 456 if (itefont_initted) 457 return; 458 itefont_initted = 1; 459 460 /* XXX but we cannot use malloc here... */ 461 gallant19.width = 6; 462 gallant19.height = 10; 463 gallant19.ascent = 0; 464 465 for (i = 32; i < 128; i++) { 466 u_int *p; 467 468 if (gallant19.chars[i].r == NULL) 469 continue; 470 471 gallant19.chars[i].r->width = 6; 472 gallant19.chars[i].r->height = 10; 473 p = gallant19.chars[i].r->pixels; 474 475 for (j = 0; j < 10; j++) 476 *p++ = Font6x10[i * 10 + j] << 26; 477 } 478 } 479 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 480 481 #ifdef WSDISPLAY_COMPAT_GRF 482 int 483 macfb_grfmap(v, addrp, p) 484 void *v; 485 caddr_t *addrp; 486 struct proc *p; 487 { 488 struct macfb_softc *sc = v; 489 struct specinfo si; 490 struct vnode vn; 491 u_long len; 492 int error, flags; 493 494 *addrp = (caddr_t)sc->sc_dc->dc_paddr; 495 len = m68k_round_page(sc->sc_dc->dc_offset + sc->sc_dc->dc_size); 496 flags = MAP_SHARED | MAP_FIXED; 497 498 vn.v_type = VCHR; /* XXX */ 499 vn.v_specinfo = &si; /* XXX */ 500 vn.v_rdev = makedev(44,sc->sc_dev.dv_unit); /* XXX */ 501 502 error = uvm_mmap(&p->p_vmspace->vm_map, (vaddr_t *)addrp, 503 (vsize_t)len, VM_PROT_ALL, VM_PROT_ALL, flags, (caddr_t)&vn, 0); 504 505 /* Offset into page: */ 506 *addrp += sc->sc_dc->dc_offset; 507 508 return (error); 509 } 510 511 int 512 macfb_grfunmap(v, addr, p) 513 void *v; 514 caddr_t addr; 515 struct proc *p; 516 { 517 struct macfb_softc *sc = v; 518 vm_size_t size; 519 int rv; 520 521 addr -= sc->sc_dc->dc_offset; 522 523 if (addr <= 0) 524 return (-1); 525 526 size = m68k_round_page(sc->sc_dc->dc_offset + sc->sc_dc->dc_size); 527 528 rv = uvm_unmap(&p->p_vmspace->vm_map, (vaddr_t)addr, 529 (vaddr_t)addr + size); 530 531 return (rv == KERN_SUCCESS ? 0 : EINVAL); 532 } 533 #endif /* WSDISPLAY_COMPAT_GRF */ 534
Indexes created Thu Oct 02 10:09:58 GMT 2025