1 /* $NetBSD: nextdisplay.c,v 1.20 2007/03/04 06:00:27 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Matt DeBergalis 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Matt DeBergalis 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: nextdisplay.c,v 1.20 2007/03/04 06:00:27 christos Exp $"); 35 36 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/device.h> 42 #include <sys/malloc.h> 43 44 #include <machine/bus.h> 45 #include <machine/cpu.h> 46 47 #include <next68k/next68k/nextrom.h> 48 #include <next68k/next68k/isr.h> 49 50 #include <next68k/dev/intiovar.h> 51 #include <next68k/dev/nextdisplayvar.h> 52 #include <dev/wscons/wsconsio.h> 53 54 #include <dev/rcons/raster.h> 55 #include <dev/wscons/wscons_raster.h> 56 #include <dev/wscons/wsdisplayvar.h> 57 58 extern int turbo; 59 60 int nextdisplay_match(struct device *, struct cfdata *, void *); 61 void nextdisplay_attach(struct device *, struct device *, void *); 62 63 CFATTACH_DECL(nextdisplay, sizeof(struct nextdisplay_softc), 64 nextdisplay_match, nextdisplay_attach, NULL, NULL); 65 66 const struct wsdisplay_emulops nextdisplay_mono_emulops = { 67 rcons_cursor, 68 rcons_mapchar, 69 rcons_putchar, 70 rcons_copycols, 71 rcons_erasecols, 72 rcons_copyrows, 73 rcons_eraserows, 74 rcons_allocattr 75 }; 76 77 struct wsscreen_descr nextdisplay_mono = { 78 "mono", 79 0, 0, /* will be filled in -- XXX shouldn't, it's global */ 80 &nextdisplay_mono_emulops, 81 0, 0 82 }; 83 84 struct wsscreen_descr nextdisplay_color = { 85 "color", 86 0, 0, /* again, filled in */ 87 &nextdisplay_mono_emulops, 88 0, 0 89 }; 90 91 const struct wsscreen_descr *_nextdisplay_scrlist_mono[] = { 92 &nextdisplay_mono, 93 }; 94 95 const struct wsscreen_descr *_nextdisplay_scrlist_color[] = { 96 &nextdisplay_color, 97 }; 98 99 const struct wsscreen_list nextdisplay_screenlist_mono = { 100 sizeof(_nextdisplay_scrlist_mono) / sizeof(struct wsscreen_descr *), 101 _nextdisplay_scrlist_mono 102 }; 103 104 const struct wsscreen_list nextdisplay_screenlist_color = { 105 sizeof(_nextdisplay_scrlist_color) / sizeof(struct wsscreen_descr *), 106 _nextdisplay_scrlist_color 107 }; 108 109 static int nextdisplay_ioctl(void *, void *, u_long, void *, int, 110 struct lwp *); 111 static paddr_t nextdisplay_mmap(void *, void *, off_t, int); 112 static int nextdisplay_alloc_screen(void *, const struct wsscreen_descr *, 113 void **, int *, int *, long *); 114 static void nextdisplay_free_screen(void *, void *); 115 static int nextdisplay_show_screen(void *, void *, int, 116 void (*) (void *, int, int), void *); 117 static int nextdisplay_load_font(void *, void *, struct wsdisplay_font *); 118 119 const struct wsdisplay_accessops nextdisplay_accessops = { 120 nextdisplay_ioctl, 121 nextdisplay_mmap, 122 nextdisplay_alloc_screen, 123 nextdisplay_free_screen, 124 nextdisplay_show_screen, 125 nextdisplay_load_font 126 }; 127 128 void nextdisplay_init(struct nextdisplay_config *, int); 129 int nextdisplay_intr(void *); 130 131 vaddr_t nextdisplay_consaddr; 132 static int nextdisplay_is_console(vaddr_t); 133 134 static struct nextdisplay_config nextdisplay_console_dc; 135 136 static int 137 nextdisplay_is_console(vaddr_t addr) 138 { 139 return (nextdisplay_console_dc.isconsole 140 && (addr == nextdisplay_consaddr)); 141 } 142 143 int 144 nextdisplay_match(struct device *parent, struct cfdata *match, void *aux) 145 { 146 if (rom_machine_type == NeXT_WARP9 || 147 rom_machine_type == NeXT_X15 || 148 rom_machine_type == NeXT_WARP9C || 149 rom_machine_type == NeXT_TURBO_MONO || 150 rom_machine_type == NeXT_TURBO_COLOR) 151 return (1); 152 else 153 return (0); 154 } 155 156 void 157 nextdisplay_init(struct nextdisplay_config *dc, int color) 158 { 159 struct raster *rap; 160 struct rcons *rcp; 161 int i; 162 163 /* printf("in nextdisplay_init\n"); */ 164 165 if (color) { 166 dc->dc_vaddr = colorbase; 167 dc->dc_paddr = COLORBASE; 168 dc->dc_size = NEXT_P_C16_VIDEOSIZE; 169 } else { 170 dc->dc_vaddr = monobase; 171 dc->dc_paddr = MONOBASE; 172 dc->dc_size = NEXT_P_VIDEOSIZE; 173 } 174 175 dc->dc_wid = 1120; 176 dc->dc_ht = 832; 177 dc->dc_depth = color ? 16 : 2; 178 dc->dc_rowbytes = (turbo ? 1120 : 1152) * dc->dc_depth / 8; 179 180 dc->dc_videobase = dc->dc_vaddr; 181 182 #if 0 183 printf("intiobase at: %08x\n", intiobase); 184 printf("intiolimit at: %08x\n", intiolimit); 185 printf("videobase at: %08x\n", color ? colorbase : monobase); 186 printf("videolimit at: %08x\n", color ? colorlimit : monolimit); 187 188 printf("virtual fb at: %08x\n", dc->dc_vaddr); 189 printf("physical fb at: %08x\n", dc->dc_paddr); 190 printf("fb size: %08x\n", dc->dc_size); 191 192 printf("dc_wid: %08x\n", dc->dc_wid); 193 printf("dc_ht: %08x\n", dc->dc_ht); 194 printf("dc_depth: %08x\n", dc->dc_depth); 195 printf("dc_rowbytes: %08x\n", dc->dc_rowbytes); 196 printf("dc_videobase: %08x\n", dc->dc_videobase); 197 #endif 198 199 /* clear the screen */ 200 for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t)) 201 *(u_int32_t *)(dc->dc_videobase + i) = 202 (color ? 0x0 : 0xffffffff); 203 204 rap = &dc->dc_raster; 205 rap->width = dc->dc_wid; 206 rap->height = dc->dc_ht; 207 rap->depth = color ? 16 : 2; 208 rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t); 209 rap->pixels = (u_int32_t *)dc->dc_videobase; 210 211 /* initialize the raster console blitter */ 212 rcp = &dc->dc_rcons; 213 rcp->rc_sp = rap; 214 rcp->rc_crow = rcp->rc_ccol = -1; 215 rcp->rc_crowp = &rcp->rc_crow; 216 rcp->rc_ccolp = &rcp->rc_ccol; 217 rcons_init(rcp, 34, 80); 218 219 if (color) { 220 nextdisplay_color.nrows = dc->dc_rcons.rc_maxrow; 221 nextdisplay_color.ncols = dc->dc_rcons.rc_maxcol; 222 } else { 223 nextdisplay_mono.nrows = dc->dc_rcons.rc_maxrow; 224 nextdisplay_mono.ncols = dc->dc_rcons.rc_maxcol; 225 } 226 } 227 228 void 229 nextdisplay_attach(struct device *parent, struct device *self, void *aux) 230 { 231 struct nextdisplay_softc *sc = (void *)self; 232 struct wsemuldisplaydev_attach_args waa; 233 int isconsole; 234 int iscolor; 235 paddr_t addr; 236 237 if (rom_machine_type == NeXT_WARP9C || 238 rom_machine_type == NeXT_TURBO_COLOR) { 239 iscolor = 1; 240 addr = colorbase; 241 } else { 242 iscolor = 0; 243 addr = monobase; 244 } 245 246 isconsole = nextdisplay_is_console(addr); 247 248 if (isconsole) { 249 sc->sc_dc = &nextdisplay_console_dc; 250 sc->nscreens = 1; 251 } else { 252 sc->sc_dc = (struct nextdisplay_config *) 253 malloc(sizeof(struct nextdisplay_config), M_DEVBUF, M_WAITOK); 254 nextdisplay_init(sc->sc_dc, iscolor); 255 } 256 257 printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht, 258 sc->sc_dc->dc_depth); 259 260 if (iscolor) { 261 #if 0 262 uint8_t x; 263 264 x = *(volatile uint8_t *)IIOV(NEXT_P_C16_CMD_REG); 265 printf("%s: cmd=%02x\n", sc->sc_dev.dv_xname, x); 266 #endif 267 *(volatile uint8_t *)IIOV(NEXT_P_C16_CMD_REG) = 0x05; 268 isrlink_autovec(nextdisplay_intr, sc, NEXT_I_IPL(NEXT_I_C16_VIDEO), 1, NULL); 269 INTR_ENABLE(NEXT_I_C16_VIDEO); 270 } 271 272 /* initialize the raster */ 273 waa.console = isconsole; 274 waa.scrdata = iscolor ? &nextdisplay_screenlist_color : &nextdisplay_screenlist_mono; 275 waa.accessops = &nextdisplay_accessops; 276 waa.accesscookie = sc; 277 #if 0 278 printf("nextdisplay: access cookie is %p\n", sc); 279 #endif 280 config_found(self, &waa, wsemuldisplaydevprint); 281 } 282 283 int 284 nextdisplay_intr(void *arg) 285 { 286 #if 0 287 uint8_t x; 288 #endif 289 290 if (!INTR_OCCURRED(NEXT_I_C16_VIDEO)) 291 return (0); 292 #if 0 293 x = *(volatile uint8_t *)IIOV(NEXT_P_C16_CMD_REG); 294 printf("I%02x", x); 295 #endif 296 *(volatile uint8_t *)IIOV(NEXT_P_C16_CMD_REG) = 0x05; 297 return (1); 298 } 299 300 int 301 nextdisplay_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 302 struct lwp *l) 303 { 304 struct nextdisplay_softc *sc = v; 305 struct nextdisplay_config *dc = sc->sc_dc; 306 307 switch (cmd) { 308 case WSDISPLAYIO_GTYPE: 309 *(int *)data = dc->dc_type; 310 return 0; 311 312 case WSDISPLAYIO_SCURSOR: 313 printf("nextdisplay_ioctl: wsdisplayio_scursor\n"); 314 return EPASSTHROUGH; 315 316 case WSDISPLAYIO_SCURPOS: 317 printf("nextdisplay_ioctl: wsdisplayio_scurpos\n"); 318 return EPASSTHROUGH; 319 320 case WSDISPLAYIO_GINFO: 321 case WSDISPLAYIO_GETCMAP: 322 case WSDISPLAYIO_PUTCMAP: 323 case WSDISPLAYIO_GVIDEO: 324 case WSDISPLAYIO_SVIDEO: 325 case WSDISPLAYIO_GCURPOS: 326 case WSDISPLAYIO_GCURMAX: 327 case WSDISPLAYIO_GCURSOR: 328 printf("nextdisplay_ioctl: listed but unsupported ioctl\n"); 329 return EPASSTHROUGH; 330 } 331 332 return EPASSTHROUGH; 333 } 334 335 static paddr_t 336 nextdisplay_mmap(void *v, void *vs, off_t offset, int prot) 337 { 338 339 /* XXX */ 340 printf("nextdisplay_mmap: failed\n"); 341 return -1; 342 } 343 344 int 345 nextdisplay_alloc_screen(void *v, const struct wsscreen_descr *type, 346 void **cookiep, int *curxp, int *curyp, long *defattrp) 347 { 348 struct nextdisplay_softc *sc = v; 349 long defattr; 350 351 /* only allow one screen */ 352 if (sc->nscreens > 0) 353 return (ENOMEM); 354 355 *cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */ 356 *curxp = 0; 357 *curyp = 0; 358 rcons_allocattr(&sc->sc_dc->dc_rcons, 0, 0, 359 (strcmp(type->name, "color") == 0) 360 ? 0 361 : WSATTR_REVERSE, &defattr); 362 *defattrp = defattr; 363 sc->nscreens++; 364 #if 0 365 printf("nextdisplay: allocating screen\n"); 366 #endif 367 return (0); 368 } 369 370 void 371 nextdisplay_free_screen(void *v, void *cookie) 372 { 373 struct nextdisplay_softc *sc = v; 374 375 if (sc->sc_dc == &nextdisplay_console_dc) 376 panic("nextdisplay_free_screen: console"); 377 378 sc->nscreens--; 379 } 380 381 int 382 nextdisplay_show_screen(void *v, void *cookie, int waitok, 383 void (*cb)(void *, int, int), void *cbarg) 384 { 385 386 return (0); 387 } 388 389 static int 390 nextdisplay_load_font(void *v, void *cookie, struct wsdisplay_font *font) 391 { 392 return (EPASSTHROUGH); 393 } 394 395 int 396 nextdisplay_cnattach(void) 397 { 398 struct nextdisplay_config *dc = &nextdisplay_console_dc; 399 long defattr; 400 int iscolor; 401 402 if (rom_machine_type == NeXT_WARP9C || 403 rom_machine_type == NeXT_TURBO_COLOR) 404 iscolor = 1; 405 else 406 iscolor = 0; 407 408 /* set up the display */ 409 nextdisplay_init(&nextdisplay_console_dc, iscolor); 410 nextdisplay_consaddr = nextdisplay_console_dc.dc_vaddr; 411 412 rcons_allocattr(&dc->dc_rcons, 0, 0, 413 iscolor ? 0 : WSATTR_REVERSE, &defattr); 414 415 wsdisplay_cnattach(iscolor ? &nextdisplay_color : &nextdisplay_mono, 416 &dc->dc_rcons, 0, 0, defattr); 417 418 dc->isconsole = 1; 419 return (0); 420 } 421