cgfourteen.c revision 1.91
1 /* $NetBSD: cgfourteen.c,v 1.91 2021/12/17 18:51:02 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 1996 5 * The President and Fellows of Harvard College. All rights reserved. 6 * Copyright (c) 1992, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This software was developed by the Computer Systems Engineering group 10 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 11 * contributed to Berkeley. 12 * 13 * All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Harvard University. 16 * This product includes software developed by the University of 17 * California, Lawrence Berkeley Laboratory. 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in the 26 * documentation and/or other materials provided with the distribution. 27 * 3. All advertising materials mentioning features or use of this software 28 * must display the following acknowledgement: 29 * This product includes software developed by the University of 30 * California, Berkeley and its contributors. 31 * This product includes software developed by Harvard University and 32 * its contributors. 33 * 4. Neither the name of the University nor the names of its contributors 34 * may be used to endorse or promote products derived from this software 35 * without specific prior written permission. 36 * 37 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 38 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 40 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 41 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 42 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 43 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 45 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 46 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 47 * SUCH DAMAGE. 48 * 49 * Based on: 50 * NetBSD: cgthree.c,v 1.28 1996/05/31 09:59:22 pk Exp 51 * NetBSD: cgsix.c,v 1.25 1996/04/01 17:30:00 christos Exp 52 */ 53 54 /* 55 * Driver for Campus-II on-board mbus-based video (cgfourteen). 56 * 57 * Does not handle interrupts, even though they can occur. 58 * 59 * XXX should defer colormap updates to vertical retrace interrupts 60 */ 61 62 #include "opt_wsemul.h" 63 #include "sx.h" 64 65 #include <sys/param.h> 66 #include <sys/systm.h> 67 #include <sys/buf.h> 68 #include <sys/device.h> 69 #include <sys/ioctl.h> 70 #include <sys/malloc.h> 71 #include <sys/kmem.h> 72 #include <sys/mman.h> 73 #include <sys/tty.h> 74 #include <sys/conf.h> 75 #include <dev/pci/pciio.h> 76 77 #include <uvm/uvm_extern.h> 78 79 #include <dev/sun/fbio.h> 80 #include <machine/autoconf.h> 81 #include <machine/pmap.h> 82 #include <dev/sun/fbvar.h> 83 #include <machine/cpu.h> 84 #include <dev/sbus/sbusvar.h> 85 86 #include "wsdisplay.h" 87 #include <dev/wscons/wsconsio.h> 88 #include <dev/wsfont/wsfont.h> 89 #include <dev/rasops/rasops.h> 90 91 #include <dev/wscons/wsdisplay_vconsvar.h> 92 #include <dev/wscons/wsdisplay_glyphcachevar.h> 93 94 #include <sparc/sparc/asm.h> 95 #include <sparc/dev/cgfourteenreg.h> 96 #include <sparc/dev/cgfourteenvar.h> 97 #include <sparc/dev/sxreg.h> 98 #include <sparc/dev/sxvar.h> 99 100 /* autoconfiguration driver */ 101 static int cgfourteenmatch(device_t, struct cfdata *, void *); 102 static void cgfourteenattach(device_t, device_t, void *); 103 static void cgfourteenunblank(device_t); 104 105 CFATTACH_DECL_NEW(cgfourteen, sizeof(struct cgfourteen_softc), 106 cgfourteenmatch, cgfourteenattach, NULL, NULL); 107 108 extern struct cfdriver cgfourteen_cd; 109 110 dev_type_open(cgfourteenopen); 111 dev_type_close(cgfourteenclose); 112 dev_type_ioctl(cgfourteenioctl); 113 dev_type_mmap(cgfourteenmmap); 114 dev_type_poll(cgfourteenpoll); 115 116 const struct cdevsw cgfourteen_cdevsw = { 117 .d_open = cgfourteenopen, 118 .d_close = cgfourteenclose, 119 .d_read = noread, 120 .d_write = nowrite, 121 .d_ioctl = cgfourteenioctl, 122 .d_stop = nostop, 123 .d_tty = notty, 124 .d_poll = cgfourteenpoll, 125 .d_mmap = cgfourteenmmap, 126 .d_kqfilter = nokqfilter, 127 .d_discard = nodiscard, 128 .d_flag = 0 129 }; 130 131 /* frame buffer generic driver */ 132 static struct fbdriver cgfourteenfbdriver = { 133 cgfourteenunblank, cgfourteenopen, cgfourteenclose, cgfourteenioctl, 134 cgfourteenpoll, cgfourteenmmap, nokqfilter 135 }; 136 137 static void cg14_set_video(struct cgfourteen_softc *, int); 138 static int cg14_get_video(struct cgfourteen_softc *); 139 static int cg14_get_cmap(struct fbcmap *, union cg14cmap *, int); 140 static int cg14_put_cmap(struct fbcmap *, union cg14cmap *, int); 141 static void cg14_load_hwcmap(struct cgfourteen_softc *, int, int); 142 static void cg14_init(struct cgfourteen_softc *); 143 static void cg14_reset(struct cgfourteen_softc *); 144 145 #if NWSDISPLAY > 0 146 static void cg14_setup_wsdisplay(struct cgfourteen_softc *, int); 147 static void cg14_init_cmap(struct cgfourteen_softc *); 148 static int cg14_putcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 149 static int cg14_getcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 150 static void cg14_set_depth(struct cgfourteen_softc *, int); 151 static void cg14_move_cursor(struct cgfourteen_softc *, int, int); 152 static int cg14_do_cursor(struct cgfourteen_softc *, 153 struct wsdisplay_cursor *); 154 155 #if NSX > 0 156 static void cg14_wait_idle(struct cgfourteen_softc *); 157 static void cg14_rectfill(struct cgfourteen_softc *, int, int, int, int, 158 uint32_t); 159 static void cg14_rectfill_a(void *, int, int, int, int, long); 160 static void cg14_invert(struct cgfourteen_softc *, int, int, int, int); 161 static void cg14_bitblt(void *, int, int, int, int, int, int, int); 162 static void cg14_bitblt_gc(void *, int, int, int, int, int, int, int); 163 164 static void cg14_putchar_aa(void *, int, int, u_int, long); 165 static void cg14_cursor(void *, int, int, int); 166 static void cg14_putchar(void *, int, int, u_int, long); 167 static void cg14_copycols(void *, int, int, int, int); 168 static void cg14_erasecols(void *, int, int, int, long); 169 static void cg14_copyrows(void *, int, int, int); 170 static void cg14_eraserows(void *, int, int, long); 171 #endif /* NSX > 0 */ 172 173 #endif 174 175 /* 176 * Match a cgfourteen. 177 */ 178 int 179 cgfourteenmatch(device_t parent, struct cfdata *cf, void *aux) 180 { 181 union obio_attach_args *uoba = aux; 182 struct sbus_attach_args *sa = &uoba->uoba_sbus; 183 184 /* 185 * The cgfourteen is a local-bus video adaptor, accessed directly 186 * via the processor, and not through device space or an external 187 * bus. Thus we look _only_ at the obio bus. 188 * Additionally, these things exist only on the Sun4m. 189 */ 190 191 if (uoba->uoba_isobio4 != 0 || !CPU_ISSUN4M) 192 return (0); 193 194 /* Check driver name */ 195 return (strcmp(cf->cf_name, sa->sa_name) == 0); 196 } 197 198 #if NWSDISPLAY > 0 199 static int cg14_ioctl(void *, void *, u_long, void *, int, struct lwp *); 200 static paddr_t cg14_mmap(void *, void *, off_t, int); 201 static void cg14_init_screen(void *, struct vcons_screen *, int, long *); 202 203 204 struct wsdisplay_accessops cg14_accessops = { 205 cg14_ioctl, 206 cg14_mmap, 207 NULL, /* alloc_screen */ 208 NULL, /* free_screen */ 209 NULL, /* show_screen */ 210 NULL, /* load_font */ 211 NULL, /* pollc */ 212 NULL /* scroll */ 213 }; 214 #endif 215 216 /* 217 * Attach a display. We need to notice if it is the console, too. 218 */ 219 void 220 cgfourteenattach(device_t parent, device_t self, void *aux) 221 { 222 union obio_attach_args *uoba = aux; 223 struct sbus_attach_args *sa = &uoba->uoba_sbus; 224 struct cgfourteen_softc *sc = device_private(self); 225 struct fbdevice *fb = &sc->sc_fb; 226 bus_space_handle_t bh; 227 int node; 228 volatile uint32_t *lut; 229 int i, isconsole, items; 230 uint32_t fbva[2] = {0, 0}; 231 uint32_t *ptr = fbva; 232 #if NSX > 0 233 device_t dv; 234 deviter_t di; 235 #endif 236 237 sc->sc_dev = self; 238 sc->sc_opens = 0; 239 node = sa->sa_node; 240 241 /* Remember cookies for cgfourteenmmap() */ 242 sc->sc_bustag = sa->sa_bustag; 243 244 fb->fb_driver = &cgfourteenfbdriver; 245 fb->fb_device = sc->sc_dev; 246 /* Mask out invalid flags from the user. */ 247 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 248 249 fb->fb_type.fb_type = FBTYPE_MDICOLOR; 250 fb->fb_type.fb_depth = 32; 251 252 fb_setsize_obp(fb, sc->sc_fb.fb_type.fb_depth, 1152, 900, node); 253 254 fb->fb_type.fb_cmsize = CG14_CLUT_SIZE; 255 256 if (sa->sa_nreg < 2) { 257 printf("%s: only %d register sets\n", 258 device_xname(self), sa->sa_nreg); 259 return; 260 } 261 memcpy(sc->sc_physadr, sa->sa_reg, 262 sa->sa_nreg * sizeof(struct sbus_reg)); 263 264 sc->sc_vramsize = sc->sc_physadr[CG14_PXL_IDX].sbr_size; 265 fb->fb_type.fb_size = sc->sc_vramsize; 266 267 printf(": %d MB VRAM", (uint32_t)(sc->sc_vramsize >> 20)); 268 /* 269 * Now map in the 8 useful pages of registers 270 */ 271 if (sa->sa_size < 0x10000) { 272 #ifdef DIAGNOSTIC 273 printf("warning: can't find all cgfourteen registers...\n"); 274 #endif 275 sa->sa_size = 0x10000; 276 } 277 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 278 sa->sa_offset, 279 sa->sa_size, 280 BUS_SPACE_MAP_LINEAR, 281 &bh) != 0) { 282 printf("%s: cannot map control registers\n", 283 device_xname(self)); 284 return; 285 } 286 sc->sc_regh = bh; 287 sc->sc_regaddr = BUS_ADDR(sa->sa_slot, sa->sa_offset); 288 sc->sc_fbaddr = BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 289 sc->sc_physadr[CG14_PXL_IDX].sbr_offset); 290 291 sc->sc_ctl = (struct cg14ctl *) (bh); 292 sc->sc_hwc = (struct cg14curs *) (bh + CG14_OFFSET_CURS); 293 sc->sc_dac = (struct cg14dac *) (bh + CG14_OFFSET_DAC); 294 sc->sc_xlut = (struct cg14xlut *) (bh + CG14_OFFSET_XLUT); 295 sc->sc_clut1 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT1); 296 sc->sc_clut2 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT2); 297 sc->sc_clut3 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT3); 298 sc->sc_clutincr = (u_int *) (bh + CG14_OFFSET_CLUTINCR); 299 300 /* 301 * Let the user know that we're here 302 */ 303 printf(": %dx%d", 304 fb->fb_type.fb_width, fb->fb_type.fb_height); 305 306 /* 307 * Enable the video. 308 */ 309 cg14_set_video(sc, 1); 310 311 /* 312 * Grab the initial colormap 313 */ 314 lut = sc->sc_clut1->clut_lut; 315 for (i = 0; i < CG14_CLUT_SIZE; i++) 316 sc->sc_cmap.cm_chip[i] = lut[i]; 317 318 /* See if we're the console */ 319 isconsole = fb_is_console(node); 320 321 #if NWSDISPLAY > 0 322 prom_getprop(sa->sa_node, "address", 4, &items, &ptr); 323 if (fbva[1] == 0) { 324 if (sbus_bus_map( sc->sc_bustag, 325 sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 326 sc->sc_physadr[CG14_PXL_IDX].sbr_offset, 327 sc->sc_vramsize, BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 328 &bh) != 0) { 329 printf("%s: cannot map pixels\n", 330 device_xname(sc->sc_dev)); 331 return; 332 } 333 sc->sc_fb.fb_pixels = bus_space_vaddr(sc->sc_bustag, bh); 334 } else { 335 sc->sc_fb.fb_pixels = (void *)fbva[1]; 336 } 337 338 if (isconsole) 339 printf(" (console)\n"); 340 else 341 printf("\n"); 342 343 sc->sc_depth = 8; 344 345 #if NSX > 0 346 /* see if we've got an SX to help us */ 347 sc->sc_sx = NULL; 348 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); 349 dv != NULL; 350 dv = deviter_next(&di)) { 351 if (device_is_a(dv, "sx")) { 352 sc->sc_sx = device_private(dv); 353 } 354 } 355 deviter_release(&di); 356 if (sc->sc_sx != NULL) { 357 sc->sc_fb_paddr = bus_space_mmap(sc->sc_bustag, 358 sc->sc_fbaddr, 0, 0, 0) & 0xfffff000; 359 aprint_normal_dev(sc->sc_dev, "using %s\n", 360 device_xname(sc->sc_sx->sc_dev)); 361 aprint_debug_dev(sc->sc_dev, "fb paddr: %08x\n", 362 sc->sc_fb_paddr); 363 sx_write(sc->sc_sx, SX_PAGE_BOUND_LOWER, sc->sc_fb_paddr); 364 sx_write(sc->sc_sx, SX_PAGE_BOUND_UPPER, 365 sc->sc_fb_paddr + 0x03ffffff); 366 } 367 cg14_wait_idle(sc); 368 #endif 369 cg14_setup_wsdisplay(sc, isconsole); 370 #endif 371 372 /* Attach to /dev/fb */ 373 fb_attach(&sc->sc_fb, isconsole); 374 } 375 376 /* 377 * Keep track of the number of opens made. In the 24-bit driver, we need to 378 * switch to 24-bit mode on the first open, and switch back to 8-bit on 379 * the last close. This kind of nonsense is needed to give screenblank 380 * a fighting chance of working. 381 */ 382 383 int 384 cgfourteenopen(dev_t dev, int flags, int mode, struct lwp *l) 385 { 386 struct cgfourteen_softc *sc; 387 int oldopens; 388 389 sc = device_lookup_private(&cgfourteen_cd, minor(dev)); 390 if (sc == NULL) 391 return(ENXIO); 392 oldopens = sc->sc_opens++; 393 394 /* Setup the cg14 as we want it, and save the original PROM state */ 395 if (oldopens == 0) /* first open only, to make screenblank work */ 396 cg14_init(sc); 397 398 return (0); 399 } 400 401 int 402 cgfourteenclose(dev_t dev, int flags, int mode, struct lwp *l) 403 { 404 struct cgfourteen_softc *sc = 405 device_lookup_private(&cgfourteen_cd, minor(dev)); 406 int opens; 407 408 opens = --sc->sc_opens; 409 if (sc->sc_opens < 0) 410 opens = sc->sc_opens = 0; 411 412 /* 413 * Restore video state to make the PROM happy, on last close. 414 */ 415 if (opens == 0) { 416 cg14_reset(sc); 417 #if NSX > 0 418 if (sc->sc_sx) 419 glyphcache_wipe(&sc->sc_gc); 420 #endif 421 } 422 return (0); 423 } 424 425 int 426 cgfourteenioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 427 { 428 struct cgfourteen_softc *sc = 429 device_lookup_private(&cgfourteen_cd, minor(dev)); 430 struct fbgattr *fba; 431 int error; 432 433 switch (cmd) { 434 435 case FBIOGTYPE: 436 *(struct fbtype *)data = sc->sc_fb.fb_type; 437 break; 438 439 case FBIOGATTR: 440 fba = (struct fbgattr *)data; 441 fba->real_type = FBTYPE_MDICOLOR; 442 fba->owner = 0; /* XXX ??? */ 443 fba->fbtype = sc->sc_fb.fb_type; 444 fba->sattr.flags = 0; 445 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 446 fba->sattr.dev_specific[0] = -1; 447 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 448 fba->emu_types[1] = -1; 449 break; 450 451 case FBIOGETCMAP: 452 return(cg14_get_cmap((struct fbcmap *)data, &sc->sc_cmap, 453 CG14_CLUT_SIZE)); 454 455 case FBIOPUTCMAP: 456 /* copy to software map */ 457 #define p ((struct fbcmap *)data) 458 error = cg14_put_cmap(p, &sc->sc_cmap, CG14_CLUT_SIZE); 459 if (error) 460 return (error); 461 /* now blast them into the chip */ 462 /* XXX should use retrace interrupt */ 463 cg14_load_hwcmap(sc, p->index, p->count); 464 #undef p 465 break; 466 467 case FBIOGVIDEO: 468 *(int *)data = cg14_get_video(sc); 469 break; 470 471 case FBIOSVIDEO: 472 cg14_set_video(sc, *(int *)data); 473 break; 474 475 case CG14_SET_PIXELMODE: { 476 int depth = *(int *)data; 477 478 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) 479 return EINVAL; 480 481 cg14_set_depth(sc, depth); 482 } 483 break; 484 default: 485 return (ENOTTY); 486 } 487 return (0); 488 } 489 490 /* 491 * Undo the effect of an FBIOSVIDEO that turns the video off. 492 */ 493 static void 494 cgfourteenunblank(device_t dev) 495 { 496 struct cgfourteen_softc *sc = device_private(dev); 497 498 cg14_set_video(sc, 1); 499 #if NWSDISPLAY > 0 500 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) { 501 cg14_set_depth(sc, 8); 502 cg14_init_cmap(sc); 503 vcons_redraw_screen(sc->sc_vd.active); 504 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 505 } 506 #endif 507 } 508 509 /* 510 * Return the address that would map the given device at the given 511 * offset, allowing for the given protection, or return -1 for error. 512 */ 513 paddr_t 514 cgfourteenmmap(dev_t dev, off_t off, int prot) 515 { 516 struct cgfourteen_softc *sc = 517 device_lookup_private(&cgfourteen_cd, minor(dev)); 518 off_t offset = -1; 519 520 if (off & PGOFSET) 521 panic("cgfourteenmmap"); 522 523 if (off < 0) 524 return (-1); 525 526 if (off >= 0 && off < 0x10000) { 527 offset = sc->sc_regaddr; 528 } else if (off >= CG14_CURSOR_VOFF && 529 off < (CG14_CURSOR_VOFF + 0x1000)) { 530 offset = sc->sc_regaddr + CG14_OFFSET_CURS; 531 off -= CG14_CURSOR_VOFF; 532 } else if (off >= CG14_DIRECT_VOFF && 533 off < (CG14_DIRECT_VOFF + sc->sc_vramsize)) { 534 offset = sc->sc_fbaddr + CG14_FB_VRAM; 535 off -= CG14_DIRECT_VOFF; 536 } else if (off >= CG14_BGR_VOFF && 537 off < (CG14_BGR_VOFF + sc->sc_vramsize)) { 538 offset = sc->sc_fbaddr + CG14_FB_CBGR; 539 off -= CG14_BGR_VOFF; 540 } else if (off >= CG14_X32_VOFF && 541 off < (CG14_X32_VOFF + (sc->sc_vramsize >> 2))) { 542 offset = sc->sc_fbaddr + CG14_FB_PX32; 543 off -= CG14_X32_VOFF; 544 } else if (off >= CG14_B32_VOFF && 545 off < (CG14_B32_VOFF + (sc->sc_vramsize >> 2))) { 546 offset = sc->sc_fbaddr + CG14_FB_PB32; 547 off -= CG14_B32_VOFF; 548 } else if (off >= CG14_G32_VOFF && 549 off < (CG14_G32_VOFF + (sc->sc_vramsize >> 2))) { 550 offset = sc->sc_fbaddr + CG14_FB_PG32; 551 off -= CG14_G32_VOFF; 552 } else if (off >= CG14_R32_VOFF && 553 off < CG14_R32_VOFF + (sc->sc_vramsize >> 2)) { 554 offset = sc->sc_fbaddr + CG14_FB_PR32; 555 off -= CG14_R32_VOFF; 556 #if NSX > 0 557 /* 558 * for convenience we also map the SX ranges here: 559 * - one page userland registers 560 * - CG14-sized IO space at 0x800000000 ( not a typo, it's above 4GB ) 561 */ 562 } else if (sc->sc_sx == NULL) { 563 return -1; 564 } else if (off >= CG14_SXREG_VOFF && 565 off < (CG14_SXREG_VOFF + 0x400)) { 566 return (bus_space_mmap(sc->sc_sx->sc_tag, sc->sc_sx->sc_uregs, 567 0, prot, BUS_SPACE_MAP_LINEAR)); 568 } else if (off >= CG14_SXIO_VOFF && 569 off < (CG14_SXIO_VOFF + 0x03ffffff)) { 570 return (bus_space_mmap(sc->sc_sx->sc_tag, 0x800000000LL, 571 sc->sc_fb_paddr + (off - CG14_SXIO_VOFF), 572 prot, BUS_SPACE_MAP_LINEAR)); 573 #endif 574 } else 575 return -1; 576 577 return (bus_space_mmap(sc->sc_bustag, offset, off, prot, 578 BUS_SPACE_MAP_LINEAR)); 579 } 580 581 int 582 cgfourteenpoll(dev_t dev, int events, struct lwp *l) 583 { 584 585 return (seltrue(dev, events, l)); 586 } 587 588 /* 589 * Miscellaneous helper functions 590 */ 591 592 /* Initialize the framebuffer, storing away useful state for later reset */ 593 static void 594 cg14_init(struct cgfourteen_softc *sc) 595 { 596 cg14_set_depth(sc, 32); 597 } 598 599 static void 600 /* Restore the state saved on cg14_init */ 601 cg14_reset(struct cgfourteen_softc *sc) 602 { 603 cg14_set_depth(sc, 8); 604 } 605 606 /* Enable/disable video display; power down monitor if DPMS-capable */ 607 static void 608 cg14_set_video(struct cgfourteen_softc *sc, int enable) 609 { 610 /* 611 * We can only use DPMS to power down the display if the chip revision 612 * is greater than 0. 613 */ 614 if (enable) { 615 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 616 sc->sc_ctl->ctl_mctl |= (CG14_MCTL_ENABLEVID | 617 CG14_MCTL_POWERCTL); 618 else 619 sc->sc_ctl->ctl_mctl |= CG14_MCTL_ENABLEVID; 620 } else { 621 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 622 sc->sc_ctl->ctl_mctl &= ~(CG14_MCTL_ENABLEVID | 623 CG14_MCTL_POWERCTL); 624 else 625 sc->sc_ctl->ctl_mctl &= ~CG14_MCTL_ENABLEVID; 626 } 627 } 628 629 /* Get status of video display */ 630 static int 631 cg14_get_video(struct cgfourteen_softc *sc) 632 { 633 return ((sc->sc_ctl->ctl_mctl & CG14_MCTL_ENABLEVID) != 0); 634 } 635 636 /* Read the software shadow colormap */ 637 static int 638 cg14_get_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 639 { 640 u_int i, start, count; 641 u_char *cp; 642 int error; 643 644 start = p->index; 645 count = p->count; 646 if (start >= cmsize || count > cmsize - start) 647 return (EINVAL); 648 649 for (cp = &cm->cm_map[start][0], i = 0; i < count; cp += 4, i++) { 650 error = copyout(&cp[3], &p->red[i], 1); 651 if (error) 652 return error; 653 error = copyout(&cp[2], &p->green[i], 1); 654 if (error) 655 return error; 656 error = copyout(&cp[1], &p->blue[i], 1); 657 if (error) 658 return error; 659 } 660 return (0); 661 } 662 663 /* Write the software shadow colormap */ 664 static int 665 cg14_put_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 666 { 667 u_int i, start, count; 668 u_char *cp; 669 u_char cmap[256][4]; 670 int error; 671 672 start = p->index; 673 count = p->count; 674 if (start >= cmsize || count > cmsize - start) 675 return (EINVAL); 676 677 memcpy(&cmap, &cm->cm_map, sizeof cmap); 678 for (cp = &cmap[start][0], i = 0; i < count; cp += 4, i++) { 679 error = copyin(&p->red[i], &cp[3], 1); 680 if (error) 681 return error; 682 error = copyin(&p->green[i], &cp[2], 1); 683 if (error) 684 return error; 685 error = copyin(&p->blue[i], &cp[1], 1); 686 if (error) 687 return error; 688 cp[0] = 0; /* no alpha channel */ 689 } 690 memcpy(&cm->cm_map, &cmap, sizeof cmap); 691 return (0); 692 } 693 694 static void 695 cg14_load_hwcmap(struct cgfourteen_softc *sc, int start, int ncolors) 696 { 697 /* XXX switch to auto-increment, and on retrace intr */ 698 699 /* Setup pointers to source and dest */ 700 uint32_t *colp = &sc->sc_cmap.cm_chip[start]; 701 volatile uint32_t *lutp = &sc->sc_clut1->clut_lut[start]; 702 703 /* Copy by words */ 704 while (--ncolors >= 0) 705 *lutp++ = *colp++; 706 } 707 708 static void 709 cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons) 710 { 711 struct wsemuldisplaydev_attach_args aa; 712 struct rasops_info *ri; 713 long defattr; 714 715 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 716 "default", 717 0, 0, 718 NULL, 719 8, 16, 720 WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | 721 WSSCREEN_RESIZE, 722 NULL 723 }; 724 cg14_set_depth(sc, 8); 725 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 726 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 727 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 728 vcons_init(&sc->sc_vd, sc, &sc->sc_defaultscreen_descr, 729 &cg14_accessops); 730 sc->sc_vd.init_screen = cg14_init_screen; 731 sc->sc_vd.show_screen_cookie = &sc->sc_gc; 732 sc->sc_vd.show_screen_cb = glyphcache_adapt; 733 734 ri = &sc->sc_console_screen.scr_ri; 735 736 sc->sc_gc.gc_bitblt = cg14_bitblt_gc; 737 sc->sc_gc.gc_blitcookie = sc; 738 sc->sc_gc.gc_rectfill = cg14_rectfill_a; 739 sc->sc_gc.gc_rop = 0xc; 740 741 vcons_init_screen(&sc->sc_vd, &sc->sc_console_screen, 1, 742 &defattr); 743 744 /* clear the screen with the default background colour */ 745 if (sc->sc_sx != NULL) { 746 cg14_rectfill(sc, 0, 0, ri->ri_width, ri->ri_height, 747 ri->ri_devcmap[(defattr >> 16) & 0xf]); 748 } else { 749 memset(sc->sc_fb.fb_pixels, 750 ri->ri_devcmap[(defattr >> 16) & 0xf], 751 ri->ri_stride * ri->ri_height); 752 } 753 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 754 755 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 756 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 757 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 758 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 759 glyphcache_init(&sc->sc_gc, sc->sc_fb.fb_type.fb_height + 5, 760 (sc->sc_vramsize / sc->sc_fb.fb_type.fb_width) - 761 sc->sc_fb.fb_type.fb_height - 5, 762 sc->sc_fb.fb_type.fb_width, 763 ri->ri_font->fontwidth, 764 ri->ri_font->fontheight, 765 defattr); 766 if (is_cons) { 767 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 768 defattr); 769 vcons_replay_msgbuf(&sc->sc_console_screen); 770 } 771 772 cg14_init_cmap(sc); 773 774 aa.console = is_cons; 775 aa.scrdata = &sc->sc_screenlist; 776 aa.accessops = &cg14_accessops; 777 aa.accesscookie = &sc->sc_vd; 778 779 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint, CFARGS_NONE); 780 } 781 782 static void 783 cg14_init_cmap(struct cgfourteen_softc *sc) 784 { 785 struct rasops_info *ri = &sc->sc_console_screen.scr_ri; 786 int i, j = 0; 787 uint8_t cmap[768]; 788 789 rasops_get_cmap(ri, cmap, sizeof(cmap)); 790 791 for (i = 0; i < 256; i++) { 792 793 sc->sc_cmap.cm_map[i][3] = cmap[j]; 794 sc->sc_cmap.cm_map[i][2] = cmap[j + 1]; 795 sc->sc_cmap.cm_map[i][1] = cmap[j + 2]; 796 j += 3; 797 } 798 cg14_load_hwcmap(sc, 0, 256); 799 } 800 801 static int 802 cg14_putcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 803 { 804 u_int index = cm->index; 805 u_int count = cm->count; 806 int i, error; 807 u_char rbuf[256], gbuf[256], bbuf[256]; 808 809 if (cm->index >= 256 || cm->count > 256 || 810 (cm->index + cm->count) > 256) 811 return EINVAL; 812 error = copyin(cm->red, &rbuf[index], count); 813 if (error) 814 return error; 815 error = copyin(cm->green, &gbuf[index], count); 816 if (error) 817 return error; 818 error = copyin(cm->blue, &bbuf[index], count); 819 if (error) 820 return error; 821 822 for (i = 0; i < count; i++) { 823 sc->sc_cmap.cm_map[index][3] = rbuf[index]; 824 sc->sc_cmap.cm_map[index][2] = gbuf[index]; 825 sc->sc_cmap.cm_map[index][1] = bbuf[index]; 826 827 index++; 828 } 829 cg14_load_hwcmap(sc, 0, 256); 830 return 0; 831 } 832 833 static int 834 cg14_getcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 835 { 836 uint8_t rbuf[256], gbuf[256], bbuf[256]; 837 u_int index = cm->index; 838 u_int count = cm->count; 839 int error, i; 840 841 if (index >= 255 || count > 256 || index + count > 256) 842 return EINVAL; 843 844 845 for (i = 0; i < count; i++) { 846 rbuf[i] = sc->sc_cmap.cm_map[index][3]; 847 gbuf[i] = sc->sc_cmap.cm_map[index][2]; 848 bbuf[i] = sc->sc_cmap.cm_map[index][1]; 849 850 index++; 851 } 852 error = copyout(rbuf, cm->red, count); 853 if (error) 854 return error; 855 error = copyout(gbuf, cm->green, count); 856 if (error) 857 return error; 858 error = copyout(bbuf, cm->blue, count); 859 if (error) 860 return error; 861 862 return 0; 863 } 864 865 static int 866 cg14_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 867 struct lwp *l) 868 { 869 struct vcons_data *vd = v; 870 struct cgfourteen_softc *sc = vd->cookie; 871 struct wsdisplay_fbinfo *wdf; 872 struct vcons_screen *ms = vd->active; 873 874 switch (cmd) { 875 876 case WSDISPLAYIO_GTYPE: 877 *(uint32_t *)data = WSDISPLAY_TYPE_SUNCG14; 878 return 0; 879 880 case WSDISPLAYIO_GINFO: 881 wdf = (void *)data; 882 wdf->height = ms->scr_ri.ri_height; 883 wdf->width = ms->scr_ri.ri_width; 884 wdf->depth = 32; 885 wdf->cmsize = 256; 886 return 0; 887 888 case WSDISPLAYIO_GETCMAP: 889 return cg14_getcmap(sc, 890 (struct wsdisplay_cmap *)data); 891 892 case WSDISPLAYIO_PUTCMAP: 893 return cg14_putcmap(sc, 894 (struct wsdisplay_cmap *)data); 895 896 case WSDISPLAYIO_LINEBYTES: 897 *(u_int *)data = ms->scr_ri.ri_stride << 2; 898 return 0; 899 900 case WSDISPLAYIO_SMODE: 901 { 902 int new_mode = *(int*)data; 903 if (new_mode != sc->sc_mode) { 904 sc->sc_mode = new_mode; 905 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 906 bus_space_write_1(sc->sc_bustag, 907 sc->sc_regh, 908 CG14_CURSOR_CONTROL, 0); 909 910 cg14_set_depth(sc, 8); 911 cg14_init_cmap(sc); 912 #if NSX > 0 913 if (sc->sc_sx) 914 glyphcache_wipe(&sc->sc_gc); 915 #endif 916 vcons_redraw_screen(ms); 917 } else { 918 919 cg14_set_depth(sc, 32); 920 } 921 } 922 } 923 return 0; 924 case WSDISPLAYIO_SVIDEO: 925 cg14_set_video(sc, *(int *)data); 926 return 0; 927 case WSDISPLAYIO_GVIDEO: 928 return cg14_get_video(sc) ? 929 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 930 case WSDISPLAYIO_GCURPOS: 931 { 932 struct wsdisplay_curpos *cp = (void *)data; 933 934 cp->x = sc->sc_cursor.cc_pos.x; 935 cp->y = sc->sc_cursor.cc_pos.y; 936 } 937 return 0; 938 case WSDISPLAYIO_SCURPOS: 939 { 940 struct wsdisplay_curpos *cp = (void *)data; 941 942 cg14_move_cursor(sc, cp->x, cp->y); 943 } 944 return 0; 945 case WSDISPLAYIO_GCURMAX: 946 { 947 struct wsdisplay_curpos *cp = (void *)data; 948 949 cp->x = 32; 950 cp->y = 32; 951 } 952 return 0; 953 case WSDISPLAYIO_SCURSOR: 954 { 955 struct wsdisplay_cursor *cursor = (void *)data; 956 957 return cg14_do_cursor(sc, cursor); 958 } 959 case PCI_IOC_CFGREAD: 960 case PCI_IOC_CFGWRITE: 961 return EINVAL; 962 963 } 964 return EPASSTHROUGH; 965 } 966 967 static paddr_t 968 cg14_mmap(void *v, void *vs, off_t offset, int prot) 969 { 970 struct vcons_data *vd = v; 971 struct cgfourteen_softc *sc = vd->cookie; 972 973 /* allow mmap()ing the full framebuffer, not just what we use */ 974 if (offset < sc->sc_vramsize) 975 return bus_space_mmap(sc->sc_bustag, 976 BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 977 sc->sc_physadr[CG14_PXL_IDX].sbr_offset), 978 offset + CG14_FB_CBGR, prot, BUS_SPACE_MAP_LINEAR); 979 980 return -1; 981 } 982 983 static void 984 cg14_init_screen(void *cookie, struct vcons_screen *scr, 985 int existing, long *defattr) 986 { 987 struct cgfourteen_softc *sc = cookie; 988 struct rasops_info *ri = &scr->scr_ri; 989 990 ri->ri_depth = 8; 991 ri->ri_width = sc->sc_fb.fb_type.fb_width; 992 ri->ri_height = sc->sc_fb.fb_type.fb_height; 993 ri->ri_stride = ri->ri_width; 994 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 995 996 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 997 998 scr->scr_flags |= VCONS_LOADFONT; 999 #if NSX > 0 1000 ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA | RI_PREFER_ALPHA; 1001 1002 /* 1003 * unaligned copies with horizontal overlap are slow, so don't bother 1004 * handling them in cg14_bitblt() and use putchar() instead 1005 */ 1006 if (sc->sc_sx != NULL) { 1007 scr->scr_flags |= VCONS_NO_COPYCOLS; 1008 } else 1009 #endif 1010 scr->scr_flags |= VCONS_DONT_READ; 1011 1012 if (existing) { 1013 ri->ri_flg |= RI_CLEAR; 1014 } 1015 1016 rasops_init(ri, 0, 0); 1017 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | 1018 WSSCREEN_RESIZE; 1019 1020 rasops_reconfig(ri, 1021 sc->sc_fb.fb_type.fb_height / ri->ri_font->fontheight, 1022 sc->sc_fb.fb_type.fb_width / ri->ri_font->fontwidth); 1023 1024 ri->ri_hw = scr; 1025 #if NSX > 0 1026 if (sc->sc_sx != NULL) { 1027 ri->ri_ops.copyrows = cg14_copyrows; 1028 ri->ri_ops.copycols = cg14_copycols; 1029 ri->ri_ops.eraserows = cg14_eraserows; 1030 ri->ri_ops.erasecols = cg14_erasecols; 1031 ri->ri_ops.cursor = cg14_cursor; 1032 if (FONT_IS_ALPHA(ri->ri_font)) { 1033 ri->ri_ops.putchar = cg14_putchar_aa; 1034 } else 1035 ri->ri_ops.putchar = cg14_putchar; 1036 } 1037 #endif /* NSX > 0 */ 1038 } 1039 1040 static void 1041 cg14_set_depth(struct cgfourteen_softc *sc, int depth) 1042 { 1043 int i; 1044 1045 if (sc->sc_depth == depth) 1046 return; 1047 1048 switch (depth) { 1049 case 8: 1050 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1051 CG14_MCTL, CG14_MCTL_ENABLEVID | 1052 CG14_MCTL_PIXMODE_8 | CG14_MCTL_POWERCTL); 1053 sc->sc_depth = 8; 1054 /* everything is CLUT1 */ 1055 for (i = 0; i < CG14_CLUT_SIZE; i++) 1056 sc->sc_xlut->xlut_lut[i] = 0; 1057 break; 1058 case 32: 1059 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1060 CG14_MCTL, CG14_MCTL_ENABLEVID | 1061 CG14_MCTL_PIXMODE_32 | CG14_MCTL_POWERCTL); 1062 sc->sc_depth = 32; 1063 for (i = 0; i < CG14_CLUT_SIZE; i++) 1064 sc->sc_xlut->xlut_lut[i] = 0; 1065 break; 1066 default: 1067 printf("%s: can't change to depth %d\n", 1068 device_xname(sc->sc_dev), depth); 1069 } 1070 } 1071 1072 static void 1073 cg14_move_cursor(struct cgfourteen_softc *sc, int x, int y) 1074 { 1075 uint32_t pos; 1076 1077 sc->sc_cursor.cc_pos.x = x; 1078 sc->sc_cursor.cc_pos.y = y; 1079 pos = ((sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x ) << 16) | 1080 ((sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y ) & 0xffff); 1081 bus_space_write_4(sc->sc_bustag, sc->sc_regh, CG14_CURSOR_X, pos); 1082 } 1083 1084 static int 1085 cg14_do_cursor(struct cgfourteen_softc *sc, struct wsdisplay_cursor *cur) 1086 { 1087 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1088 1089 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1090 CG14_CURSOR_CONTROL, cur->enable ? CG14_CRSR_ENABLE : 0); 1091 } 1092 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1093 1094 sc->sc_cursor.cc_hot.x = cur->hot.x; 1095 sc->sc_cursor.cc_hot.y = cur->hot.y; 1096 cur->which |= WSDISPLAY_CURSOR_DOPOS; 1097 } 1098 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1099 1100 cg14_move_cursor(sc, cur->pos.x, cur->pos.y); 1101 } 1102 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1103 int i; 1104 uint32_t val; 1105 1106 if ((cur->cmap.index > 2) || (cur->cmap.count > 3) || 1107 (cur->cmap.index + cur->cmap.count > 3)) 1108 return EINVAL; 1109 1110 for (i = 0; i < uimin(cur->cmap.count, 3); i++) { 1111 val = (cur->cmap.red[i] ) | 1112 (cur->cmap.green[i] << 8) | 1113 (cur->cmap.blue[i] << 16); 1114 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1115 CG14_CURSOR_COLOR1 + ((i + cur->cmap.index) << 2), 1116 val); 1117 } 1118 } 1119 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1120 uint32_t buffer[32], latch, tmp; 1121 int i; 1122 1123 copyin(cur->mask, buffer, 128); 1124 for (i = 0; i < 32; i++) { 1125 latch = 0; 1126 tmp = buffer[i] & 0x80808080; 1127 latch |= tmp >> 7; 1128 tmp = buffer[i] & 0x40404040; 1129 latch |= tmp >> 5; 1130 tmp = buffer[i] & 0x20202020; 1131 latch |= tmp >> 3; 1132 tmp = buffer[i] & 0x10101010; 1133 latch |= tmp >> 1; 1134 tmp = buffer[i] & 0x08080808; 1135 latch |= tmp << 1; 1136 tmp = buffer[i] & 0x04040404; 1137 latch |= tmp << 3; 1138 tmp = buffer[i] & 0x02020202; 1139 latch |= tmp << 5; 1140 tmp = buffer[i] & 0x01010101; 1141 latch |= tmp << 7; 1142 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1143 CG14_CURSOR_PLANE0 + (i << 2), latch); 1144 } 1145 copyin(cur->image, buffer, 128); 1146 for (i = 0; i < 32; i++) { 1147 latch = 0; 1148 tmp = buffer[i] & 0x80808080; 1149 latch |= tmp >> 7; 1150 tmp = buffer[i] & 0x40404040; 1151 latch |= tmp >> 5; 1152 tmp = buffer[i] & 0x20202020; 1153 latch |= tmp >> 3; 1154 tmp = buffer[i] & 0x10101010; 1155 latch |= tmp >> 1; 1156 tmp = buffer[i] & 0x08080808; 1157 latch |= tmp << 1; 1158 tmp = buffer[i] & 0x04040404; 1159 latch |= tmp << 3; 1160 tmp = buffer[i] & 0x02020202; 1161 latch |= tmp << 5; 1162 tmp = buffer[i] & 0x01010101; 1163 latch |= tmp << 7; 1164 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1165 CG14_CURSOR_PLANE1 + (i << 2), latch); 1166 } 1167 } 1168 return 0; 1169 } 1170 1171 #if NSX > 0 1172 1173 static void 1174 cg14_wait_idle(struct cgfourteen_softc *sc) 1175 { 1176 } 1177 1178 static void 1179 cg14_rectfill(struct cgfourteen_softc *sc, int x, int y, int wi, int he, 1180 uint32_t colour) 1181 { 1182 uint32_t addr, pptr; 1183 int line, cnt, pre, words; 1184 int stride = sc->sc_fb.fb_type.fb_width; 1185 1186 addr = sc->sc_fb_paddr + x + stride * y; 1187 sx_write(sc->sc_sx, SX_QUEUED(8), colour); 1188 sx_write(sc->sc_sx, SX_QUEUED(9), colour); 1189 /* 1190 * Calculate the number of pixels we need to do one by one 1191 * until we're 32bit aligned, then do the rest in 32bit 1192 * mode. Assumes that stride is always a multiple of 4. 1193 */ 1194 /* TODO: use 32bit writes with byte mask instead */ 1195 pre = addr & 3; 1196 if (pre != 0) pre = 4 - pre; 1197 for (line = 0; line < he; line++) { 1198 pptr = addr; 1199 cnt = wi; 1200 if (pre) { 1201 sta(pptr & ~7, ASI_SX, SX_STBS(8, pre - 1, pptr & 7)); 1202 pptr += pre; 1203 cnt -= pre; 1204 } 1205 /* now do the aligned pixels in 32bit chunks */ 1206 while(cnt > 3) { 1207 words = uimin(32, cnt >> 2); 1208 sta(pptr & ~7, ASI_SX, SX_STS(8, words - 1, pptr & 7)); 1209 pptr += words << 2; 1210 cnt -= words << 2; 1211 } 1212 /* do any remaining pixels byte-wise again */ 1213 if (cnt > 0) 1214 sta(pptr & ~7, ASI_SX, SX_STBS(8, cnt - 1, pptr & 7)); 1215 addr += stride; 1216 } 1217 } 1218 1219 static void 1220 cg14_rectfill_a(void *cookie, int dstx, int dsty, 1221 int width, int height, long attr) 1222 { 1223 struct cgfourteen_softc *sc = cookie; 1224 1225 cg14_rectfill(sc, dstx, dsty, width, height, 1226 sc->sc_vd.active->scr_ri.ri_devcmap[(attr >> 24 & 0xf)]); 1227 } 1228 1229 /* 1230 * invert a rectangle, used only to (un)draw the cursor. 1231 * - does a scanline at a time 1232 * - does not handle wi > 64 or wi < 4, not that we need it for our fonts 1233 * - uses all 32bit accesses 1234 */ 1235 static void 1236 cg14_invert(struct cgfourteen_softc *sc, int x, int y, int wi, int he) 1237 { 1238 uint32_t addr, pptr, lmask, rmask; 1239 int line, cnt, pre, words, pwrds = 0, post, reg; 1240 int stride = sc->sc_fb.fb_type.fb_width; 1241 1242 addr = (sc->sc_fb_paddr + x + stride * y) & ~3; 1243 sx_write(sc->sc_sx, SX_ROP_CONTROL, 0x3C); /* ~src a / src a */ 1244 /* 1245 * Calculate the number of pixels we need to mask on each end of the 1246 * scanline and how many we can do without mask, if any 1247 */ 1248 pre = x & 3; 1249 if (pre != 0) { 1250 lmask = 0xffffffff >> pre; 1251 pre = 4 - pre; 1252 pwrds++; 1253 } 1254 post = (x + wi) & 3; 1255 if (post != 0) { 1256 rmask = ~(0xffffffff >> post); 1257 pwrds++; 1258 } 1259 words = (wi + pre + 3) >> 2; 1260 cnt = words - pwrds; 1261 sx_write(sc->sc_sx, SX_QUEUED(7), 0xe0e0e0e0); /* four red pixels */ 1262 for (line = 0; line < he; line++) { 1263 pptr = addr; 1264 /* load a whole scanline */ 1265 sta(pptr & ~7, ASI_SX, SX_LD(8, words - 1, pptr & 7)); 1266 reg = 8; 1267 if (pre) { 1268 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), lmask); 1269 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1270 SX_ROPB(8, 8, 40, 0)); 1271 reg++; 1272 } 1273 if (cnt > 0) { 1274 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 0xffffffff); 1275 /* XXX handle cnt > 16 */ 1276 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1277 SX_ROP(reg, reg, reg + 32, cnt - 1)); 1278 reg += cnt; 1279 } 1280 if (post) { 1281 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), rmask); 1282 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1283 SX_ROPB(reg, 7, reg + 32, 0)); 1284 reg++; 1285 } 1286 sta(pptr & ~7, ASI_SX, SX_ST(40, words - 1, pptr & 7)); 1287 addr += stride; 1288 } 1289 } 1290 1291 static inline void 1292 cg14_slurp(int reg, uint32_t addr, int cnt) 1293 { 1294 int num; 1295 while (cnt > 0) { 1296 num = uimin(32, cnt); 1297 sta(addr & ~7, ASI_SX, SX_LD(reg, num - 1, addr & 7)); 1298 cnt -= num; 1299 reg += num; 1300 addr += (num << 2); 1301 } 1302 } 1303 1304 static inline void 1305 cg14_spit(int reg, uint32_t addr, int cnt) 1306 { 1307 int num; 1308 while (cnt > 0) { 1309 num = uimin(32, cnt); 1310 sta(addr & ~7, ASI_SX, SX_ST(reg, num - 1, addr & 7)); 1311 cnt -= num; 1312 reg += num; 1313 addr += (num << 2); 1314 } 1315 } 1316 1317 static void 1318 cg14_bitblt(void *cookie, int xs, int ys, int xd, int yd, 1319 int wi, int he, int rop) 1320 { 1321 struct cgfourteen_softc *sc = cookie; 1322 uint32_t saddr, daddr, sptr, dptr; 1323 int line, cnt, stride = sc->sc_fb.fb_type.fb_width; 1324 int num, words, skip; 1325 1326 if (ys < yd) { 1327 /* need to go bottom-up */ 1328 saddr = sc->sc_fb_paddr + xs + stride * (ys + he - 1); 1329 daddr = sc->sc_fb_paddr + xd + stride * (yd + he - 1); 1330 skip = -stride; 1331 } else { 1332 saddr = sc->sc_fb_paddr + xs + stride * ys; 1333 daddr = sc->sc_fb_paddr + xd + stride * yd; 1334 skip = stride; 1335 } 1336 1337 if ((saddr & 3) == (daddr & 3)) { 1338 int pre = saddr & 3; /* pixels to copy byte-wise */ 1339 if (pre != 0) pre = 4 - pre; 1340 for (line = 0; line < he; line++) { 1341 sptr = saddr; 1342 dptr = daddr; 1343 cnt = wi; 1344 if (pre > 0) { 1345 sta(sptr & ~7, ASI_SX, 1346 SX_LDB(32, pre - 1, sptr & 7)); 1347 sta(dptr & ~7, ASI_SX, 1348 SX_STB(32, pre - 1, dptr & 7)); 1349 cnt -= pre; 1350 sptr += pre; 1351 dptr += pre; 1352 } 1353 words = cnt >> 2; 1354 while(cnt > 3) { 1355 num = uimin(120, words); 1356 cg14_slurp(8, sptr, num); 1357 cg14_spit(8, dptr, num); 1358 sptr += num << 2; 1359 dptr += num << 2; 1360 cnt -= num << 2; 1361 } 1362 if (cnt > 0) { 1363 sta(sptr & ~7, ASI_SX, 1364 SX_LDB(32, cnt - 1, sptr & 7)); 1365 sta(dptr & ~7, ASI_SX, 1366 SX_STB(32, cnt - 1, dptr & 7)); 1367 } 1368 saddr += skip; 1369 daddr += skip; 1370 } 1371 } else { 1372 /* unaligned, have to use byte mode */ 1373 /* funnel shifter & byte mask trickery? */ 1374 for (line = 0; line < he; line++) { 1375 sptr = saddr; 1376 dptr = daddr; 1377 cnt = wi; 1378 while(cnt > 31) { 1379 sta(sptr & ~7, ASI_SX, SX_LDB(32, 31, sptr & 7)); 1380 sta(dptr & ~7, ASI_SX, SX_STB(32, 31, dptr & 7)); 1381 sptr += 32; 1382 dptr += 32; 1383 cnt -= 32; 1384 } 1385 if (cnt > 0) { 1386 sta(sptr & ~7, ASI_SX, 1387 SX_LDB(32, cnt - 1, sptr & 7)); 1388 sta(dptr & ~7, ASI_SX, 1389 SX_STB(32, cnt - 1, dptr & 7)); 1390 } 1391 saddr += skip; 1392 daddr += skip; 1393 } 1394 } 1395 } 1396 1397 /* 1398 * for copying glyphs around 1399 * - uses all quads for reads 1400 * - uses quads for writes as far as possible 1401 * - limited by number of registers - won't do more than 120 wide 1402 * - doesn't handle overlaps 1403 */ 1404 static void 1405 cg14_bitblt_gc(void *cookie, int xs, int ys, int xd, int yd, 1406 int wi, int he, int rop) 1407 { 1408 struct cgfourteen_softc *sc = cookie; 1409 uint32_t saddr, daddr; 1410 int line, cnt = wi, stride = sc->sc_fb.fb_type.fb_width; 1411 int dreg = 8, swi = wi, dd; 1412 int in = 0, q = 0, out = 0, r; 1413 1414 saddr = sc->sc_fb_paddr + xs + stride * ys; 1415 daddr = sc->sc_fb_paddr + xd + stride * yd; 1416 1417 if (saddr & 3) { 1418 swi += saddr & 3; 1419 dreg += saddr & 3; 1420 saddr &= ~3; 1421 } 1422 swi = (swi + 3) >> 2; /* round up, number of quads to read */ 1423 1424 if (daddr & 3) { 1425 in = 4 - (daddr & 3); /* pixels to write in byte mode */ 1426 cnt -= in; 1427 } 1428 1429 q = cnt >> 2; 1430 out = cnt & 3; 1431 1432 for (line = 0; line < he; line++) { 1433 /* read source line, in all quads */ 1434 sta(saddr & ~7, ASI_SX, SX_LDUQ0(8, swi - 1, saddr & 7)); 1435 /* now write it out */ 1436 dd = daddr; 1437 r = dreg; 1438 if (in > 0) { 1439 sta(dd & ~7, ASI_SX, SX_STB(r, in - 1, dd & 7)); 1440 dd += in; 1441 r += in; 1442 } 1443 if (q > 0) { 1444 sta(dd & ~7, ASI_SX, SX_STUQ0(r, q - 1, dd & 7)); 1445 r += q << 2; 1446 dd += q << 2; 1447 } 1448 if (out > 0) { 1449 sta(dd & ~7, ASI_SX, SX_STB(r, out - 1, dd & 7)); 1450 } 1451 saddr += stride; 1452 daddr += stride; 1453 } 1454 } 1455 1456 static void 1457 cg14_putchar(void *cookie, int row, int col, u_int c, long attr) 1458 { 1459 struct rasops_info *ri = cookie; 1460 struct wsdisplay_font *font = PICK_FONT(ri, c); 1461 struct vcons_screen *scr = ri->ri_hw; 1462 struct cgfourteen_softc *sc = scr->scr_cookie; 1463 void *data; 1464 uint32_t fg, bg; 1465 int i, x, y, wi, he; 1466 uint32_t addr; 1467 int stride = sc->sc_fb.fb_type.fb_width; 1468 1469 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1470 return; 1471 1472 if (!CHAR_IN_FONT(c, font)) 1473 return; 1474 1475 wi = font->fontwidth; 1476 he = font->fontheight; 1477 1478 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1479 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1480 1481 x = ri->ri_xorigin + col * wi; 1482 y = ri->ri_yorigin + row * he; 1483 1484 if (c == 0x20) { 1485 cg14_rectfill(sc, x, y, wi, he, bg); 1486 if (attr & 1) 1487 cg14_rectfill(sc, x, y + he - 2, wi, 1, fg); 1488 return; 1489 } 1490 1491 sx_write(sc->sc_sx, SX_QUEUED(8), bg); 1492 sx_write(sc->sc_sx, SX_QUEUED(9), fg); 1493 1494 data = WSFONT_GLYPH(c, font); 1495 addr = sc->sc_fb_paddr + x + stride * y; 1496 1497 switch (font->stride) { 1498 case 1: { 1499 uint8_t *data8 = data; 1500 uint32_t reg; 1501 for (i = 0; i < he; i++) { 1502 reg = *data8; 1503 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1504 reg << 24); 1505 sta(addr & ~7, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1506 data8++; 1507 addr += stride; 1508 } 1509 break; 1510 } 1511 case 2: { 1512 uint16_t *data16 = data; 1513 uint32_t reg; 1514 for (i = 0; i < he; i++) { 1515 reg = *data16; 1516 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1517 reg << 16); 1518 sta(addr & ~7, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1519 data16++; 1520 addr += stride; 1521 } 1522 break; 1523 } 1524 } 1525 if (attr & 1) 1526 cg14_rectfill(sc, x, y + he - 2, wi, 1, fg); 1527 } 1528 1529 static void 1530 cg14_cursor(void *cookie, int on, int row, int col) 1531 { 1532 struct rasops_info *ri = cookie; 1533 struct vcons_screen *scr = ri->ri_hw; 1534 struct cgfourteen_softc *sc = scr->scr_cookie; 1535 int x, y, wi, he; 1536 1537 wi = ri->ri_font->fontwidth; 1538 he = ri->ri_font->fontheight; 1539 1540 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1541 x = ri->ri_ccol * wi + ri->ri_xorigin; 1542 y = ri->ri_crow * he + ri->ri_yorigin; 1543 if (ri->ri_flg & RI_CURSOR) { 1544 cg14_invert(sc, x, y, wi, he); 1545 ri->ri_flg &= ~RI_CURSOR; 1546 } 1547 ri->ri_crow = row; 1548 ri->ri_ccol = col; 1549 if (on) { 1550 x = ri->ri_ccol * wi + ri->ri_xorigin; 1551 y = ri->ri_crow * he + ri->ri_yorigin; 1552 cg14_invert(sc, x, y, wi, he); 1553 ri->ri_flg |= RI_CURSOR; 1554 } 1555 } else { 1556 scr->scr_ri.ri_crow = row; 1557 scr->scr_ri.ri_ccol = col; 1558 scr->scr_ri.ri_flg &= ~RI_CURSOR; 1559 } 1560 1561 } 1562 1563 static void 1564 cg14_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1565 { 1566 struct rasops_info *ri = cookie; 1567 struct wsdisplay_font *font = PICK_FONT(ri, c); 1568 struct vcons_screen *scr = ri->ri_hw; 1569 struct cgfourteen_softc *sc = scr->scr_cookie; 1570 int stride = sc->sc_fb.fb_type.fb_width; 1571 uint32_t bg, fg, addr, bg8, fg8, pixel, in, q, next; 1572 int i, j, x, y, wi, he, r, g, b, aval, cnt, reg; 1573 int r1, g1, b1, r0, g0, b0, fgo, bgo, rv; 1574 uint8_t *data8; 1575 1576 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1577 return; 1578 1579 if (!CHAR_IN_FONT(c, font)) 1580 return; 1581 1582 wi = font->fontwidth; 1583 he = font->fontheight; 1584 1585 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1586 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1587 x = ri->ri_xorigin + col * wi; 1588 y = ri->ri_yorigin + row * he; 1589 if (c == 0x20) { 1590 cg14_rectfill(sc, x, y, wi, he, bg); 1591 if (attr & 1) 1592 cg14_rectfill(sc, x, y + he - 2, wi, 1, fg); 1593 return; 1594 } 1595 1596 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1597 if (rv == GC_OK) 1598 return; 1599 1600 addr = sc->sc_fb_paddr + x + stride * y; 1601 data8 = WSFONT_GLYPH(c, font); 1602 1603 /* 1604 * we need the RGB colours here, so get offsets into rasops_cmap 1605 */ 1606 fgo = ((attr >> 24) & 0xf) * 3; 1607 bgo = ((attr >> 16) & 0xf) * 3; 1608 1609 r0 = rasops_cmap[bgo]; 1610 r1 = rasops_cmap[fgo]; 1611 g0 = rasops_cmap[bgo + 1]; 1612 g1 = rasops_cmap[fgo + 1]; 1613 b0 = rasops_cmap[bgo + 2]; 1614 b1 = rasops_cmap[fgo + 2]; 1615 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1616 bg8 = R3G3B2(r0, g0, b0); 1617 fg8 = R3G3B2(r1, g1, b1); 1618 1619 for (i = 0; i < he; i++) { 1620 /* calculate one line of pixels */ 1621 for (j = 0; j < wi; j++) { 1622 aval = *data8; 1623 if (aval == 0) { 1624 pixel = bg8; 1625 } else if (aval == 255) { 1626 pixel = fg8; 1627 } else { 1628 r = aval * r1 + (255 - aval) * r0; 1629 g = aval * g1 + (255 - aval) * g0; 1630 b = aval * b1 + (255 - aval) * b0; 1631 pixel = ((r & 0xe000) >> 8) | 1632 ((g & 0xe000) >> 11) | 1633 ((b & 0xc000) >> 14); 1634 } 1635 /* 1636 * stick them into SX registers and hope we never have 1637 * to deal with fonts more than 120 pixels wide 1638 */ 1639 sx_write(sc->sc_sx, SX_QUEUED(j + 8), pixel); 1640 data8++; 1641 } 1642 /* now write them into video memory */ 1643 in = (addr & 3); 1644 next = addr; 1645 reg = 8; 1646 cnt = wi; 1647 if (in != 0) { 1648 in = 4 - in; /* pixels to write until aligned */ 1649 sta(next & ~7, ASI_SX, SX_STB(8, in - 1, next & 7)); 1650 next += in; 1651 reg = 8 + in; 1652 cnt -= in; 1653 } 1654 q = cnt >> 2; /* number of writes we can do in quads */ 1655 if (q > 0) { 1656 sta(next & ~7, ASI_SX, SX_STUQ0(reg, q - 1, next & 7)); 1657 next += (q << 2); 1658 cnt -= (q << 2); 1659 reg += (q << 2); 1660 } 1661 if (cnt > 0) { 1662 sta(next & ~7, ASI_SX, SX_STB(reg, cnt - 1, next & 7)); 1663 } 1664 1665 addr += stride; 1666 } 1667 1668 if (rv == GC_ADD) { 1669 glyphcache_add(&sc->sc_gc, c, x, y); 1670 } else if (attr & 1) 1671 cg14_rectfill(sc, x, y + he - 2, wi, 1, fg); 1672 1673 } 1674 1675 static void 1676 cg14_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1677 { 1678 struct rasops_info *ri = cookie; 1679 struct vcons_screen *scr = ri->ri_hw; 1680 struct cgfourteen_softc *sc = scr->scr_cookie; 1681 int32_t xs, xd, y, width, height; 1682 1683 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1684 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1685 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1686 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1687 width = ri->ri_font->fontwidth * ncols; 1688 height = ri->ri_font->fontheight; 1689 cg14_bitblt(sc, xs, y, xd, y, width, height, 0x0c); 1690 } 1691 } 1692 1693 static void 1694 cg14_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1695 { 1696 struct rasops_info *ri = cookie; 1697 struct vcons_screen *scr = ri->ri_hw; 1698 struct cgfourteen_softc *sc = scr->scr_cookie; 1699 int32_t x, y, width, height, fg, bg, ul; 1700 1701 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1702 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1703 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1704 width = ri->ri_font->fontwidth * ncols; 1705 height = ri->ri_font->fontheight; 1706 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1707 1708 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1709 } 1710 } 1711 1712 static void 1713 cg14_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1714 { 1715 struct rasops_info *ri = cookie; 1716 struct vcons_screen *scr = ri->ri_hw; 1717 struct cgfourteen_softc *sc = scr->scr_cookie; 1718 int32_t x, ys, yd, width, height; 1719 1720 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1721 x = ri->ri_xorigin; 1722 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1723 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1724 width = ri->ri_emuwidth; 1725 height = ri->ri_font->fontheight * nrows; 1726 cg14_bitblt(sc, x, ys, x, yd, width, height, 0x0c); 1727 } 1728 } 1729 1730 static void 1731 cg14_eraserows(void *cookie, int row, int nrows, long fillattr) 1732 { 1733 struct rasops_info *ri = cookie; 1734 struct vcons_screen *scr = ri->ri_hw; 1735 struct cgfourteen_softc *sc = scr->scr_cookie; 1736 int32_t x, y, width, height, fg, bg, ul; 1737 1738 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1739 x = ri->ri_xorigin; 1740 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1741 width = ri->ri_emuwidth; 1742 height = ri->ri_font->fontheight * nrows; 1743 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1744 1745 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1746 } 1747 } 1748 1749 #endif /* NSX > 0 */ 1750 1751
Indexes created Tue Sep 30 06:09:59 GMT 2025