macfb.c revision 1.1.2.10
1 /* $NetBSD: macfb.c,v 1.1.2.10 1999/12/24 10:07:48 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 #include "grf.h" 34 35 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 #include <sys/malloc.h> 42 43 #include <machine/cpu.h> 44 #include <machine/bus.h> 45 46 #include <machine/grfioctl.h> 47 #include <mac68k/nubus/nubus.h> 48 #include <mac68k/dev/grfvar.h> 49 #include <mac68k/dev/macfbvar.h> 50 #include <dev/wscons/wsconsio.h> 51 52 #ifdef WSDISPLAY_COMPAT_ITE 53 #include <machine/iteioctl.h> 54 #endif /* WSDISPLAY_COMPAT_ITE */ 55 56 #include <dev/rcons/raster.h> 57 #include <dev/wscons/wscons_raster.h> 58 #include <dev/wscons/wsdisplayvar.h> 59 60 int macfb_match __P((struct device *, struct cfdata *, void *)); 61 void macfb_attach __P((struct device *, struct device *, void *)); 62 63 struct cfattach macfb_ca = { 64 sizeof(struct macfb_softc), 65 macfb_match, 66 macfb_attach, 67 }; 68 69 const struct wsdisplay_emulops macfb_emulops = { 70 rcons_cursor, 71 rcons_mapchar, 72 rcons_putchar, 73 rcons_copycols, 74 rcons_erasecols, 75 rcons_copyrows, 76 rcons_eraserows, 77 rcons_alloc_attr 78 }; 79 80 struct wsscreen_descr macfb_stdscreen = { 81 "std", 82 0, 0, /* will be filled in -- XXX shouldn't, it's global */ 83 &macfb_emulops, 84 0, 0, 85 WSSCREEN_REVERSE 86 }; 87 88 const struct wsscreen_descr *_macfb_scrlist[] = { 89 &macfb_stdscreen, 90 }; 91 92 const struct wsscreen_list macfb_screenlist = { 93 sizeof(_macfb_scrlist) / sizeof(struct wsscreen_descr *), 94 _macfb_scrlist 95 }; 96 97 static int macfb_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 98 static int macfb_mmap __P((void *, off_t, int)); 99 static int macfb_alloc_screen __P((void *, const struct wsscreen_descr *, 100 void **, int *, int *, long *)); 101 static void macfb_free_screen __P((void *, void *)); 102 static int macfb_show_screen __P((void *, void *, int, 103 void (*)(void *, int, int), void *)); 104 105 const struct wsdisplay_accessops macfb_accessops = { 106 macfb_ioctl, 107 macfb_mmap, 108 macfb_alloc_screen, 109 macfb_free_screen, 110 macfb_show_screen, 111 0 /* load_font */ 112 }; 113 114 void macfb_init __P((struct macfb_devconfig *)); 115 116 paddr_t macfb_consaddr; 117 static int macfb_is_console __P((paddr_t addr)); 118 #ifdef WSDISPLAY_COMPAT_ITEFONT 119 static void init_itefont __P((void)); 120 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 121 122 static struct macfb_devconfig macfb_console_dc; 123 124 /* From Booter via locore */ 125 extern long videoaddr; 126 extern long videorowbytes; 127 extern long videobitdepth; 128 extern u_long videosize; 129 extern u_int32_t mac68k_vidlog; 130 extern u_int32_t mac68k_vidphys; 131 extern u_int32_t mac68k_vidlen; 132 133 static int 134 macfb_is_console(paddr_t addr) 135 { 136 return ((mac68k_machine.serial_console & 0x03) == 0 137 && (addr == macfb_consaddr)); 138 } 139 140 void 141 macfb_clear(dc) 142 struct macfb_devconfig *dc; 143 { 144 int i, rows; 145 146 /* clear the display */ 147 rows = dc->dc_ht; 148 for (i = 0; rows-- > 0; i += dc->dc_rowbytes) 149 memset((u_char *)dc->dc_vaddr + dc->dc_offset + i, 150 0, dc->dc_rowbytes); 151 } 152 153 void 154 macfb_init(dc) 155 struct macfb_devconfig *dc; 156 { 157 struct raster *rap; 158 struct rcons *rcp; 159 160 macfb_clear(dc); 161 162 #ifdef WSDISPLAY_COMPAT_ITEFONT 163 init_itefont(); 164 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 165 166 rap = &dc->dc_raster; 167 rap->width = dc->dc_wid; 168 rap->height = dc->dc_ht; 169 rap->depth = dc->dc_depth; 170 rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t); 171 rap->pixels = (u_int32_t *)(dc->dc_vaddr + dc->dc_offset); 172 173 /* initialize the raster console blitter */ 174 rcp = &dc->dc_rcons; 175 rcp->rc_sp = rap; 176 rcp->rc_crow = rcp->rc_ccol = -1; 177 rcp->rc_crowp = &rcp->rc_crow; 178 rcp->rc_ccolp = &rcp->rc_ccol; 179 rcons_init(rcp, 128, 192); 180 181 macfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow; 182 macfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol; 183 } 184 185 int 186 macfb_match(parent, match, aux) 187 struct device *parent; 188 struct cfdata *match; 189 void *aux; 190 { 191 return (1); 192 } 193 194 void 195 macfb_attach(parent, self, aux) 196 struct device *parent; 197 struct device *self; 198 void *aux; 199 { 200 struct grfbus_attach_args *ga = aux; 201 struct grfmode *gm = ga->ga_grfmode; 202 struct macfb_softc *sc; 203 struct wsemuldisplaydev_attach_args waa; 204 int isconsole; 205 206 sc = (struct macfb_softc *)self; 207 208 printf("\n"); 209 210 isconsole = macfb_is_console(ga->ga_phys + ga->ga_grfmode->fboff); 211 212 if (isconsole) { 213 sc->sc_dc = &macfb_console_dc; 214 sc->nscreens = 1; 215 } else { 216 sc->sc_dc = malloc(sizeof(struct macfb_devconfig), M_DEVBUF, M_WAITOK); 217 sc->sc_dc->dc_vaddr = (vaddr_t)gm->fbbase; 218 sc->sc_dc->dc_paddr = ga->ga_phys; 219 sc->sc_dc->dc_size = gm->fbsize; 220 221 sc->sc_dc->dc_wid = gm->width; 222 sc->sc_dc->dc_ht = gm->height; 223 sc->sc_dc->dc_depth = gm->psize; 224 sc->sc_dc->dc_rowbytes = gm->rowbytes; 225 226 sc->sc_dc->dc_offset = gm->fboff; 227 228 macfb_init(sc->sc_dc); 229 230 sc->nscreens = 1; 231 } 232 233 /* initialize the raster */ 234 waa.console = isconsole; 235 waa.scrdata = &macfb_screenlist; 236 waa.accessops = &macfb_accessops; 237 waa.accesscookie = sc; 238 239 config_found(self, &waa, wsemuldisplaydevprint); 240 241 #if NGRF > 0 242 grf_attach(sc, self->dv_unit); 243 #endif 244 } 245 246 247 int 248 macfb_ioctl(v, cmd, data, flag, p) 249 void *v; 250 u_long cmd; 251 caddr_t data; 252 int flag; 253 struct proc *p; 254 { 255 struct macfb_softc *sc = v; 256 struct macfb_devconfig *dc = sc->sc_dc; 257 struct wsdisplay_fbinfo *wdf; 258 259 switch (cmd) { 260 case WSDISPLAYIO_GTYPE: 261 *(int *)data = dc->dc_type; 262 return 0; 263 264 case WSDISPLAYIO_GINFO: 265 wdf = (struct wsdisplay_fbinfo *)data; 266 wdf->height = dc->dc_raster.height; 267 wdf->width = dc->dc_raster.width; 268 wdf->depth = dc->dc_raster.depth; 269 wdf->cmsize = 256; 270 return 0; 271 272 case WSDISPLAYIO_GCURMAX: 273 case WSDISPLAYIO_GCURPOS: 274 case WSDISPLAYIO_GCURSOR: 275 case WSDISPLAYIO_GETCMAP: 276 case WSDISPLAYIO_GVIDEO: 277 case WSDISPLAYIO_PUTCMAP: 278 case WSDISPLAYIO_SCURPOS: 279 case WSDISPLAYIO_SCURSOR: 280 case WSDISPLAYIO_SVIDEO: 281 /* NONE of these operations are supported. */ 282 return ENOTTY; 283 284 #ifdef WSDISPLAY_COMPAT_ITE 285 case ITEIOC_GETBELL: 286 case ITEIOC_SETBELL: 287 case ITEIOC_RINGBELL: 288 /* NONE of these operations are supported. */ 289 return ENOTTY; 290 291 #endif /* WSDISPLAY_COMPAT_ITE */ 292 } 293 294 return -1; 295 } 296 297 static int 298 macfb_mmap(v, offset, prot) 299 void *v; 300 off_t offset; 301 int prot; 302 { 303 struct macfb_softc *sc = v; 304 struct macfb_devconfig *dc = sc->sc_dc; 305 u_long addr; 306 307 if (offset >= 0 && 308 offset < m68k_round_page(dc->dc_rowbytes * dc->dc_ht)) 309 addr = m68k_btop(dc->dc_paddr + dc->dc_offset + offset); 310 else 311 addr = (-1); /* XXX bogus */ 312 313 return (int)addr; 314 } 315 316 int 317 macfb_alloc_screen(v, type, cookiep, curxp, curyp, defattrp) 318 void *v; 319 const struct wsscreen_descr *type; 320 void **cookiep; 321 int *curxp, *curyp; 322 long *defattrp; 323 { 324 struct macfb_softc *sc = v; 325 long defattr; 326 327 if (sc->nscreens > 0) 328 return (ENOMEM); 329 330 *cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */ 331 *curxp = 0; 332 *curyp = 0; 333 rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr); 334 *defattrp = defattr; 335 sc->nscreens++; 336 return (0); 337 } 338 339 void 340 macfb_free_screen(v, cookie) 341 void *v; 342 void *cookie; 343 { 344 struct macfb_softc *sc = v; 345 346 if (sc->sc_dc == &macfb_console_dc) 347 panic("cfb_free_screen: console"); 348 349 sc->nscreens--; 350 } 351 352 int 353 macfb_show_screen(v, cookie, waitok, cb, cbarg) 354 void *v; 355 void *cookie; 356 int waitok; 357 void (*cb) __P((void *, int, int)); 358 void *cbarg; 359 { 360 return 0; 361 } 362 363 int 364 macfb_cnattach(addr) 365 paddr_t addr; 366 { 367 struct macfb_devconfig *dc = &macfb_console_dc; 368 long defattr; 369 370 dc->dc_vaddr = m68k_trunc_page(videoaddr); 371 dc->dc_paddr = m68k_trunc_page(mac68k_vidphys); 372 373 dc->dc_wid = videosize & 0xffff; 374 dc->dc_ht = (videosize >> 16) & 0xffff; 375 dc->dc_depth = videobitdepth; 376 dc->dc_rowbytes = videorowbytes; 377 378 dc->dc_size = (mac68k_vidlen > 0) ? 379 mac68k_vidlen : dc->dc_ht * dc->dc_rowbytes; 380 dc->dc_offset = m68k_page_offset(mac68k_vidphys); 381 382 /* set up the display */ 383 macfb_init(&macfb_console_dc); 384 385 rcons_alloc_attr(&dc->dc_rcons, 0, 0, 0, &defattr); 386 387 wsdisplay_cnattach(&macfb_stdscreen, &dc->dc_rcons, 388 0, 0, defattr); 389 390 macfb_consaddr = addr; 391 dc->isconsole = 1; 392 return (0); 393 } 394 395 #ifdef WSDISPLAY_COMPAT_ITEFONT 396 #include <mac68k/dev/6x10.h> 397 398 void 399 init_itefont() 400 { 401 static int itefont_initted = 0; 402 int i, j; 403 404 extern struct raster_font gallant19; /* XXX */ 405 406 if (itefont_initted) 407 return; 408 itefont_initted = 1; 409 410 /* XXX but we cannot use malloc here... */ 411 gallant19.width = 6; 412 gallant19.height = 10; 413 gallant19.ascent = 0; 414 415 for (i = 32; i < 128; i++) { 416 u_int *p; 417 418 if (gallant19.chars[i].r == NULL) 419 continue; 420 421 gallant19.chars[i].r->width = 6; 422 gallant19.chars[i].r->height = 10; 423 p = gallant19.chars[i].r->pixels; 424 425 for (j = 0; j < 10; j++) 426 *p++ = Font6x10[i * 10 + j] << 26; 427 } 428 } 429 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 430
Indexes created Thu Oct 02 14:10:14 GMT 2025