macfb.c revision 1.1.2.5
1 /* $NetBSD: macfb.c,v 1.1.2.5 1999/11/15 23:31:16 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 void macfb_show_screen __P((void *, void *)); 103 104 const struct wsdisplay_accessops macfb_accessops = { 105 macfb_ioctl, 106 macfb_mmap, 107 macfb_alloc_screen, 108 macfb_free_screen, 109 macfb_show_screen, 110 0 /* load_font */ 111 }; 112 113 void macfb_init __P((struct macfb_devconfig *)); 114 115 paddr_t macfb_consaddr; 116 static int macfb_is_console __P((paddr_t addr)); 117 #ifdef WSDISPLAY_COMPAT_ITEFONT 118 static void init_itefont __P((void)); 119 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 120 121 static struct macfb_devconfig macfb_console_dc; 122 123 /* From Booter via locore */ 124 extern long videoaddr; 125 extern long videorowbytes; 126 extern long videobitdepth; 127 extern u_long videosize; 128 extern u_int32_t mac68k_vidlog; 129 extern u_int32_t mac68k_vidphys; 130 extern u_int32_t mac68k_vidlen; 131 132 static int 133 macfb_is_console(paddr_t addr) 134 { 135 return ((mac68k_machine.serial_console & 0x03) == 0 136 && (addr == macfb_consaddr)); 137 } 138 139 void 140 macfb_init(dc) 141 struct macfb_devconfig *dc; 142 { 143 struct raster *rap; 144 struct rcons *rcp; 145 int i; 146 147 /* clear the display */ 148 for (i = 0; i < (dc->dc_ht * dc->dc_rowbytes); i += dc->dc_rowbytes) 149 bzero((u_char *)dc->dc_vaddr + dc->dc_offset + i, 150 dc->dc_rowbytes); 151 152 #ifdef WSDISPLAY_COMPAT_ITEFONT 153 init_itefont(); 154 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 155 156 rap = &dc->dc_raster; 157 rap->width = dc->dc_wid; 158 rap->height = dc->dc_ht; 159 rap->depth = dc->dc_depth; 160 rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t); 161 rap->pixels = (u_int32_t *)dc->dc_vaddr + dc->dc_offset; 162 163 /* initialize the raster console blitter */ 164 rcp = &dc->dc_rcons; 165 rcp->rc_sp = rap; 166 rcp->rc_crow = rcp->rc_ccol = -1; 167 rcp->rc_crowp = &rcp->rc_crow; 168 rcp->rc_ccolp = &rcp->rc_ccol; 169 rcons_init(rcp, 128, 128); 170 171 macfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow; 172 macfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol; 173 } 174 175 int 176 macfb_match(parent, match, aux) 177 struct device *parent; 178 struct cfdata *match; 179 void *aux; 180 { 181 return (1); 182 } 183 184 void 185 macfb_attach(parent, self, aux) 186 struct device *parent; 187 struct device *self; 188 void *aux; 189 { 190 struct grfbus_attach_args *ga = aux; 191 struct grfmode *gm = ga->ga_grfmode; 192 struct macfb_softc *sc; 193 struct wsemuldisplaydev_attach_args waa; 194 int isconsole; 195 196 sc = (struct macfb_softc *)self; 197 198 printf("\n"); 199 200 isconsole = macfb_is_console(ga->ga_phys + ga->ga_grfmode->fboff); 201 202 if (isconsole) { 203 sc->sc_dc = &macfb_console_dc; 204 sc->nscreens = 1; 205 } else { 206 sc->sc_dc = malloc(sizeof(struct macfb_devconfig), M_DEVBUF, M_WAITOK); 207 sc->sc_dc->dc_vaddr = (vaddr_t)gm->fbbase; 208 sc->sc_dc->dc_paddr = ga->ga_phys; 209 sc->sc_dc->dc_size = gm->fbsize; 210 211 sc->sc_dc->dc_wid = gm->width; 212 sc->sc_dc->dc_ht = gm->height; 213 sc->sc_dc->dc_depth = gm->psize; 214 sc->sc_dc->dc_rowbytes = gm->rowbytes; 215 216 sc->sc_dc->dc_offset = gm->fboff; 217 218 macfb_init(sc->sc_dc); 219 220 sc->nscreens = 1; 221 } 222 223 /* initialize the raster */ 224 waa.console = isconsole; 225 waa.scrdata = &macfb_screenlist; 226 waa.accessops = &macfb_accessops; 227 waa.accesscookie = sc; 228 229 config_found(self, &waa, wsemuldisplaydevprint); 230 231 #if NGRF > 0 232 grf_attach(sc, self->dv_unit); 233 #endif 234 } 235 236 237 int 238 macfb_ioctl(v, cmd, data, flag, p) 239 void *v; 240 u_long cmd; 241 caddr_t data; 242 int flag; 243 struct proc *p; 244 { 245 struct macfb_softc *sc = v; 246 struct macfb_devconfig *dc = sc->sc_dc; 247 struct wsdisplay_fbinfo *wdf; 248 249 switch (cmd) { 250 case WSDISPLAYIO_GTYPE: 251 *(int *)data = dc->dc_type; 252 return 0; 253 254 case WSDISPLAYIO_GINFO: 255 wdf = (struct wsdisplay_fbinfo *)data; 256 wdf->height = dc->dc_raster.height; 257 wdf->width = dc->dc_raster.width; 258 wdf->depth = dc->dc_raster.depth; 259 wdf->cmsize = 256; 260 return 0; 261 262 case WSDISPLAYIO_GCURMAX: 263 case WSDISPLAYIO_GCURPOS: 264 case WSDISPLAYIO_GCURSOR: 265 case WSDISPLAYIO_GETCMAP: 266 case WSDISPLAYIO_GVIDEO: 267 case WSDISPLAYIO_PUTCMAP: 268 case WSDISPLAYIO_SCURPOS: 269 case WSDISPLAYIO_SCURSOR: 270 case WSDISPLAYIO_SVIDEO: 271 /* NONE of these operations are supported. */ 272 return ENOTTY; 273 274 #ifdef WSDISPLAY_COMPAT_ITE 275 case ITEIOC_GETBELL: 276 case ITEIOC_SETBELL: 277 case ITEIOC_RINGBELL: 278 /* NONE of these operations are supported. */ 279 return ENOTTY; 280 281 #endif /* WSDISPLAY_COMPAT_ITE */ 282 } 283 284 return -1; 285 } 286 287 static int 288 macfb_mmap(v, offset, prot) 289 void *v; 290 off_t offset; 291 int prot; 292 { 293 struct macfb_softc *sc = v; 294 struct macfb_devconfig *dc = sc->sc_dc; 295 u_long addr; 296 297 if (offset >= 0 && 298 offset < m68k_round_page(dc->dc_rowbytes * dc->dc_ht)) 299 addr = m68k_btop(dc->dc_paddr + dc->dc_offset + offset); 300 else 301 addr = (-1); /* XXX bogus */ 302 303 return (int)addr; 304 } 305 306 int 307 macfb_alloc_screen(v, type, cookiep, curxp, curyp, defattrp) 308 void *v; 309 const struct wsscreen_descr *type; 310 void **cookiep; 311 int *curxp, *curyp; 312 long *defattrp; 313 { 314 struct macfb_softc *sc = v; 315 long defattr; 316 317 if (sc->nscreens > 0) 318 return (ENOMEM); 319 320 *cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */ 321 *curxp = 0; 322 *curyp = 0; 323 rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr); 324 *defattrp = defattr; 325 sc->nscreens++; 326 return (0); 327 } 328 329 void 330 macfb_free_screen(v, cookie) 331 void *v; 332 void *cookie; 333 { 334 struct macfb_softc *sc = v; 335 336 if (sc->sc_dc == &macfb_console_dc) 337 panic("cfb_free_screen: console"); 338 339 sc->nscreens--; 340 } 341 342 void 343 macfb_show_screen(v, cookie) 344 void *v; 345 void *cookie; 346 { 347 } 348 349 int 350 macfb_cnattach(addr) 351 paddr_t addr; 352 { 353 struct macfb_devconfig *dc = &macfb_console_dc; 354 long defattr; 355 356 dc->dc_vaddr = videoaddr; 357 dc->dc_paddr = mac68k_vidphys; 358 359 dc->dc_wid = videosize & 0xffff; 360 dc->dc_ht = (videosize >> 16) & 0xffff; 361 dc->dc_depth = videobitdepth; 362 dc->dc_rowbytes = videorowbytes; 363 364 dc->dc_size = (mac68k_vidlen > 0) ? 365 mac68k_vidlen : dc->dc_ht * dc->dc_rowbytes; 366 dc->dc_offset = 0; 367 368 /* set up the display */ 369 macfb_init(&macfb_console_dc); 370 371 rcons_alloc_attr(&dc->dc_rcons, 0, 0, 0, &defattr); 372 373 wsdisplay_cnattach(&macfb_stdscreen, &dc->dc_rcons, 374 0, 0, defattr); 375 376 macfb_consaddr = addr; 377 dc->isconsole = 1; 378 return (0); 379 } 380 381 #ifdef WSDISPLAY_COMPAT_ITEFONT 382 #include <mac68k/dev/6x10.h> 383 384 void 385 init_itefont() 386 { 387 static int itefont_initted = 0; 388 int i, j; 389 390 extern struct raster_font gallant19; /* XXX */ 391 392 if (itefont_initted) 393 return; 394 itefont_initted = 1; 395 396 /* XXX but we cannot use malloc here... */ 397 gallant19.width = 6; 398 gallant19.height = 10; 399 gallant19.ascent = 0; 400 401 for (i = 32; i < 128; i++) { 402 u_int *p; 403 404 if (gallant19.chars[i].r == NULL) 405 continue; 406 407 gallant19.chars[i].r->width = 6; 408 gallant19.chars[i].r->height = 10; 409 p = gallant19.chars[i].r->pixels; 410 411 for (j = 0; j < 10; j++) 412 *p++ = Font6x10[i * 10 + j] << 26; 413 } 414 } 415 #endif /* WSDISPLAY_COMPAT_ITEFONT */ 416
Indexes created Thu Oct 02 14:10:14 GMT 2025