dvbox.c revision 1.1
1 /* $NetBSD: dvbox.c,v 1.1 2011/02/06 18:26:51 tsutsui Exp $ */ 2 /* $OpenBSD: dvbox.c,v 1.13 2006/08/11 18:33:13 miod Exp $ */ 3 4 /* 5 * Copyright (c) 2005, Miodrag Vallat 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 /*- 29 * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. 30 * All rights reserved. 31 * 32 * This code is derived from software contributed to The NetBSD Foundation 33 * by Jason R. Thorpe. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 44 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 45 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 46 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 47 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 48 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 49 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 50 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 51 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 52 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 53 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 54 * POSSIBILITY OF SUCH DAMAGE. 55 */ 56 57 /* 58 * Copyright (c) 1988 University of Utah. 59 * Copyright (c) 1990, 1993 60 * The Regents of the University of California. All rights reserved. 61 * 62 * This code is derived from software contributed to Berkeley by 63 * the Systems Programming Group of the University of Utah Computer 64 * Science Department. 65 * 66 * Redistribution and use in source and binary forms, with or without 67 * modification, are permitted provided that the following conditions 68 * are met: 69 * 1. Redistributions of source code must retain the above copyright 70 * notice, this list of conditions and the following disclaimer. 71 * 2. Redistributions in binary form must reproduce the above copyright 72 * notice, this list of conditions and the following disclaimer in the 73 * documentation and/or other materials provided with the distribution. 74 * 3. Neither the name of the University nor the names of its contributors 75 * may be used to endorse or promote products derived from this software 76 * without specific prior written permission. 77 * 78 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 79 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 80 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 81 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 82 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 83 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 84 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 85 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 86 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 87 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 88 * SUCH DAMAGE. 89 * 90 * from: Utah $Hdr: grf_dv.c 1.12 93/08/13$ 91 * 92 * @(#)grf_dv.c 8.4 (Berkeley) 1/12/94 93 */ 94 95 /* 96 * Graphics routines for the DaVinci, HP98730/98731 Graphics system. 97 */ 98 99 #include <sys/param.h> 100 #include <sys/systm.h> 101 #include <sys/conf.h> 102 #include <sys/device.h> 103 #include <sys/proc.h> 104 #include <sys/ioctl.h> 105 #include <sys/bus.h> 106 #include <sys/cpu.h> 107 108 #include <machine/autoconf.h> 109 110 #include <hp300/dev/dioreg.h> 111 #include <hp300/dev/diovar.h> 112 #include <hp300/dev/diodevs.h> 113 #include <hp300/dev/intiovar.h> 114 115 #include <dev/wscons/wsconsio.h> 116 #include <dev/wscons/wsdisplayvar.h> 117 #include <dev/rasops/rasops.h> 118 119 #include <hp300/dev/diofbreg.h> 120 #include <hp300/dev/diofbvar.h> 121 #include <hp300/dev/dvboxreg.h> 122 123 struct dvbox_softc { 124 device_t sc_dev; 125 struct diofb *sc_fb; 126 struct diofb sc_fb_store; 127 int sc_scode; 128 }; 129 130 int dvbox_dio_match(device_t, cfdata_t, void *); 131 void dvbox_dio_attach(device_t, device_t, void *); 132 int dvbox_intio_match(device_t, cfdata_t, void *); 133 void dvbox_intio_attach(device_t, device_t, void *); 134 135 CFATTACH_DECL_NEW(dvbox_dio, sizeof(struct dvbox_softc), 136 dvbox_dio_match, dvbox_dio_attach, NULL, NULL); 137 138 CFATTACH_DECL_NEW(dvbox_intio, sizeof(struct dvbox_softc), 139 dvbox_intio_match, dvbox_intio_attach, NULL, NULL); 140 141 int dvbox_reset(struct diofb *, int, struct diofbreg *); 142 void dvbox_restore(struct diofb *); 143 void dvbox_setcolor(struct diofb *, u_int, 144 u_int8_t, u_int8_t, u_int8_t); 145 int dvbox_windowmove(struct diofb *, u_int16_t, u_int16_t, u_int16_t, 146 u_int16_t, u_int16_t, u_int16_t, int16_t, int16_t); 147 148 int dvbox_ioctl(void *, void *, u_long, void *, int, struct lwp *); 149 150 struct wsdisplay_accessops dvbox_accessops = { 151 dvbox_ioctl, 152 diofb_mmap, 153 diofb_alloc_screen, 154 diofb_free_screen, 155 diofb_show_screen, 156 NULL, /* load_font */ 157 }; 158 159 /* 160 * Attachment glue 161 */ 162 163 int 164 dvbox_intio_match(device_t parent, cfdata_t cf, void *aux) 165 { 166 struct intio_attach_args *ia = aux; 167 struct diofbreg *fbr; 168 169 if (strcmp("fb", ia->ia_modname) != 0) 170 return 0; 171 172 fbr = (struct diofbreg *)ia->ia_addr; 173 174 if (badaddr((void *)fbr)) 175 return (0); 176 177 if (fbr->id == GRFHWID && fbr->fbid == GID_DAVINCI) { 178 return (1); 179 } 180 181 return (0); 182 } 183 184 void 185 dvbox_intio_attach(device_t parent, device_t self, void *aux) 186 { 187 struct dvbox_softc *sc = device_private(self); 188 struct intio_attach_args *ia = aux; 189 struct diofbreg *fbr; 190 191 sc->sc_dev = self; 192 fbr = (struct diofbreg *)ia->ia_addr; 193 sc->sc_scode = CONSCODE_INTERNAL; 194 195 if (sc->sc_scode == conscode) { 196 sc->sc_fb = &diofb_cn; 197 } else { 198 sc->sc_fb = &sc->sc_fb_store; 199 dvbox_reset(sc->sc_fb, sc->sc_scode, fbr); 200 } 201 202 diofb_end_attach(self, &dvbox_accessops, sc->sc_fb, 203 sc->sc_scode == conscode, NULL); 204 } 205 206 int 207 dvbox_dio_match(device_t parent, cfdata_t cf, void *aux) 208 { 209 struct dio_attach_args *da = aux; 210 211 if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER && 212 da->da_secid == DIO_DEVICE_SECID_DAVINCI) 213 return (1); 214 215 return (0); 216 } 217 218 void 219 dvbox_dio_attach(device_t parent, device_t self, void *aux) 220 { 221 struct dvbox_softc *sc = device_private(self); 222 struct dio_attach_args *da = aux; 223 bus_space_handle_t bsh; 224 struct diofbreg *fbr; 225 226 sc->sc_dev = self; 227 sc->sc_scode = da->da_scode; 228 if (sc->sc_scode == conscode) { 229 fbr = (struct diofbreg *)conaddr; /* already mapped */ 230 sc->sc_fb = &diofb_cn; 231 } else { 232 sc->sc_fb = &sc->sc_fb_store; 233 if (bus_space_map(da->da_bst, da->da_addr, da->da_size, 0, 234 &bsh)) { 235 aprint_error(": can't map framebuffer\n"); 236 return; 237 } 238 fbr = bus_space_vaddr(da->da_bst, bsh); 239 if (dvbox_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) { 240 printf(": can't map framebuffer\n"); 241 return; 242 } 243 } 244 245 diofb_end_attach(self, &dvbox_accessops, sc->sc_fb, 246 sc->sc_scode == conscode, NULL); 247 } 248 249 /* 250 * Initialize hardware and display routines. 251 */ 252 int 253 dvbox_reset(struct diofb *fb, int scode, struct diofbreg *fbr) 254 { 255 int rc; 256 257 if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0) 258 return (rc); 259 260 /* 261 * Restrict the framebuffer to a monochrome view for now, until 262 * I know better how to detect and frob overlay planes, and 263 * setup a proper colormap. -- miod 264 */ 265 fb->planes = fb->planemask = 1; 266 267 fb->bmv = dvbox_windowmove; 268 dvbox_restore(fb); 269 diofb_fbsetup(fb); 270 271 return (0); 272 } 273 274 /* 275 * Magic initialization code. 276 */ 277 void 278 dvbox_restore(struct diofb *fb) 279 { 280 volatile struct dvboxfb *db = (struct dvboxfb *)fb->regkva; 281 u_int i; 282 283 db->regs.id = 0x80; 284 DELAY(100); 285 286 db->regs.interrupt = 0x04; 287 db->en_scan = 0x01; 288 db->fbwen = ~0; 289 db->opwen = ~0; 290 db->fold = 0x01; /* 8bpp */ 291 db->drive = 0x01; /* use FB plane */ 292 db->rep_rule = DVBOX_DUALROP(RR_COPY); 293 db->alt_rr = DVBOX_DUALROP(RR_COPY); 294 db->zrr = DVBOX_DUALROP(RR_COPY); 295 296 db->fbvenp = 0xFF; /* enable video */ 297 db->dispen = 0x01; /* enable display */ 298 db->fbvens = 0x0; 299 db->fv_trig = 0x01; 300 DELAY(100); 301 db->vdrive = 0x0; 302 db->zconfig = 0x0; 303 304 while (db->wbusy & 0x01) 305 DELAY(10); 306 307 db->cmapbank = 0; 308 309 db->red0 = 0; 310 db->red1 = 0; 311 db->green0 = 0; 312 db->green1 = 0; 313 db->blue0 = 0; 314 db->blue1 = 0; 315 316 db->panxh = 0; 317 db->panxl = 0; 318 db->panyh = 0; 319 db->panyl = 0; 320 db->zoom = 0; 321 db->cdwidth = 0x50; 322 db->chstart = 0x52; 323 db->cvwidth = 0x22; 324 db->pz_trig = 1; 325 326 /* 327 * Turn on frame buffer, turn on overlay planes, set replacement 328 * rule, enable top overlay plane writes for ite, disable all frame 329 * buffer planes, set byte per pixel, and display frame buffer 0. 330 * Lastly, turn on the box. 331 */ 332 db->regs.interrupt = 0x04; 333 db->drive = 0x10; 334 db->rep_rule = DVBOX_DUALROP(RR_COPY); 335 db->opwen = 0x01; 336 db->fbwen = 0x0; 337 db->fold = 0x01; 338 db->vdrive = 0x0; 339 db->dispen = 0x01; 340 341 /* 342 * Video enable top overlay plane. 343 */ 344 db->opvenp = 0x01; 345 db->opvens = 0x01; 346 347 /* 348 * Make sure that overlay planes override frame buffer planes. 349 */ 350 db->ovly0p = 0x0; 351 db->ovly0s = 0x0; 352 db->ovly1p = 0x0; 353 db->ovly1s = 0x0; 354 db->fv_trig = 0x1; 355 DELAY(100); 356 357 /* 358 * Setup the overlay colormaps. Need to set the 0,1 (black/white) 359 * color for both banks. 360 */ 361 db_waitbusy(db); 362 for (i = 0; i <= 1; i++) { 363 db->cmapbank = i; 364 db->rgb[0].red = 0x00; 365 db->rgb[0].green = 0x00; 366 db->rgb[0].blue = 0x00; 367 db->rgb[1].red = 0xff; 368 db->rgb[1].green = 0xff; 369 db->rgb[1].blue = 0xff; 370 } 371 db->cmapbank = 0; 372 db_waitbusy(db); 373 } 374 375 int 376 dvbox_ioctl(void *v, void *vs, u_long cmd, void *data, int flags, struct lwp *l) 377 { 378 struct diofb *fb = v; 379 struct wsdisplay_fbinfo *wdf; 380 381 switch (cmd) { 382 case WSDISPLAYIO_GTYPE: 383 *(u_int *)data = WSDISPLAY_TYPE_DVBOX; 384 return 0; 385 case WSDISPLAYIO_SMODE: 386 fb->mapmode = *(u_int *)data; 387 if (fb->mapmode == WSDISPLAYIO_MODE_EMUL) 388 dvbox_restore(fb); 389 return 0; 390 case WSDISPLAYIO_GINFO: 391 wdf = (void *)data; 392 wdf->width = fb->ri.ri_width; 393 wdf->height = fb->ri.ri_height; 394 wdf->depth = fb->ri.ri_depth; 395 wdf->cmsize = 0; /* XXX */ 396 return 0; 397 case WSDISPLAYIO_LINEBYTES: 398 *(u_int *)data = fb->ri.ri_stride; 399 return 0; 400 case WSDISPLAYIO_GETCMAP: 401 case WSDISPLAYIO_PUTCMAP: 402 /* XXX until color support is implemented */ 403 return EPASSTHROUGH; 404 case WSDISPLAYIO_GVIDEO: 405 case WSDISPLAYIO_SVIDEO: 406 return EPASSTHROUGH; 407 } 408 409 return EPASSTHROUGH; 410 } 411 412 int 413 dvbox_windowmove(struct diofb *fb, u_int16_t sx, u_int16_t sy, 414 u_int16_t dx, u_int16_t dy, u_int16_t cx, u_int16_t cy, int16_t rop, 415 int16_t planemask) 416 { 417 volatile struct dvboxfb *db = (struct dvboxfb *)fb->regkva; 418 419 if (planemask != 0xff) 420 return (EINVAL); 421 422 db_waitbusy(db); 423 424 db->rep_rule = DVBOX_DUALROP(rop); 425 db->source_y = sy; 426 db->source_x = sx; 427 db->dest_y = dy; 428 db->dest_x = dx; 429 db->wheight = cy; 430 db->wwidth = cx; 431 db->wmove = 1; 432 433 db_waitbusy(db); 434 435 return (0); 436 } 437 438 /* 439 * DaVinci console support 440 */ 441 442 int 443 dvboxcnattach(bus_space_tag_t bst, bus_addr_t addr, int scode) 444 { 445 bus_space_handle_t bsh; 446 void *va; 447 struct diofbreg *fbr; 448 struct diofb *fb = &diofb_cn; 449 int size; 450 451 if (bus_space_map(bst, addr, PAGE_SIZE, 0, &bsh)) 452 return 1; 453 va = bus_space_vaddr(bst, bsh); 454 fbr = va; 455 456 if (badaddr(va) || 457 (fbr->id != GRFHWID) || (fbr->fbid != GID_DAVINCI)) { 458 bus_space_unmap(bst, bsh, PAGE_SIZE); 459 return 1; 460 } 461 462 size = DIO_SIZE(scode, va); 463 464 bus_space_unmap(bst, bsh, PAGE_SIZE); 465 if (bus_space_map(bst, addr, size, 0, &bsh)) 466 return 1; 467 va = bus_space_vaddr(bst, bsh); 468 469 /* 470 * Initialize the framebuffer hardware. 471 */ 472 conscode = scode; 473 conaddr = va; 474 dvbox_reset(fb, conscode, (struct diofbreg *)conaddr); 475 476 /* 477 * Initialize the terminal emulator. 478 */ 479 diofb_cnattach(fb); 480 return 0; 481 } 482
Indexes created Mon Oct 20 20:10:13 GMT 2025