cgfourteen.c revision 1.87
1 /* $NetBSD: cgfourteen.c,v 1.87 2019/01/17 23:05:15 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 /* 63 * The following is for debugging only; it opens up a security hole 64 * enabled by allowing any user to map the control registers for the 65 * cg14 into their space. 66 */ 67 #undef CG14_MAP_REGS 68 69 #include "opt_wsemul.h" 70 #include "sx.h" 71 72 #include <sys/param.h> 73 #include <sys/systm.h> 74 #include <sys/buf.h> 75 #include <sys/device.h> 76 #include <sys/ioctl.h> 77 #include <sys/malloc.h> 78 #include <sys/kmem.h> 79 #include <sys/mman.h> 80 #include <sys/tty.h> 81 #include <sys/conf.h> 82 #include <dev/pci/pciio.h> 83 84 #include <uvm/uvm_extern.h> 85 86 #include <dev/sun/fbio.h> 87 #include <machine/autoconf.h> 88 #include <machine/pmap.h> 89 #include <dev/sun/fbvar.h> 90 #include <machine/cpu.h> 91 #include <dev/sbus/sbusvar.h> 92 93 #include "wsdisplay.h" 94 #include <dev/wscons/wsconsio.h> 95 #include <dev/wsfont/wsfont.h> 96 #include <dev/rasops/rasops.h> 97 98 #include <dev/wscons/wsdisplay_vconsvar.h> 99 #include <dev/wscons/wsdisplay_glyphcachevar.h> 100 101 #include <sparc/sparc/asm.h> 102 #include <sparc/dev/cgfourteenreg.h> 103 #include <sparc/dev/cgfourteenvar.h> 104 #include <sparc/dev/sxreg.h> 105 #include <sparc/dev/sxvar.h> 106 107 /* autoconfiguration driver */ 108 static int cgfourteenmatch(device_t, struct cfdata *, void *); 109 static void cgfourteenattach(device_t, device_t, void *); 110 static void cgfourteenunblank(device_t); 111 112 CFATTACH_DECL_NEW(cgfourteen, sizeof(struct cgfourteen_softc), 113 cgfourteenmatch, cgfourteenattach, NULL, NULL); 114 115 extern struct cfdriver cgfourteen_cd; 116 117 dev_type_open(cgfourteenopen); 118 dev_type_close(cgfourteenclose); 119 dev_type_ioctl(cgfourteenioctl); 120 dev_type_mmap(cgfourteenmmap); 121 dev_type_poll(cgfourteenpoll); 122 123 const struct cdevsw cgfourteen_cdevsw = { 124 .d_open = cgfourteenopen, 125 .d_close = cgfourteenclose, 126 .d_read = noread, 127 .d_write = nowrite, 128 .d_ioctl = cgfourteenioctl, 129 .d_stop = nostop, 130 .d_tty = notty, 131 .d_poll = cgfourteenpoll, 132 .d_mmap = cgfourteenmmap, 133 .d_kqfilter = nokqfilter, 134 .d_discard = nodiscard, 135 .d_flag = 0 136 }; 137 138 /* frame buffer generic driver */ 139 static struct fbdriver cgfourteenfbdriver = { 140 cgfourteenunblank, cgfourteenopen, cgfourteenclose, cgfourteenioctl, 141 cgfourteenpoll, cgfourteenmmap, nokqfilter 142 }; 143 144 static void cg14_set_video(struct cgfourteen_softc *, int); 145 static int cg14_get_video(struct cgfourteen_softc *); 146 static int cg14_get_cmap(struct fbcmap *, union cg14cmap *, int); 147 static int cg14_put_cmap(struct fbcmap *, union cg14cmap *, int); 148 static void cg14_load_hwcmap(struct cgfourteen_softc *, int, int); 149 static void cg14_init(struct cgfourteen_softc *); 150 static void cg14_reset(struct cgfourteen_softc *); 151 152 #if NWSDISPLAY > 0 153 static void cg14_setup_wsdisplay(struct cgfourteen_softc *, int); 154 static void cg14_init_cmap(struct cgfourteen_softc *); 155 static int cg14_putcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 156 static int cg14_getcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 157 static void cg14_set_depth(struct cgfourteen_softc *, int); 158 static void cg14_move_cursor(struct cgfourteen_softc *, int, int); 159 static int cg14_do_cursor(struct cgfourteen_softc *, 160 struct wsdisplay_cursor *); 161 162 #if NSX > 0 163 static void cg14_wait_idle(struct cgfourteen_softc *); 164 static void cg14_rectfill(struct cgfourteen_softc *, int, int, int, int, 165 uint32_t); 166 static void cg14_rectfill_a(void *, int, int, int, int, long); 167 static void cg14_invert(struct cgfourteen_softc *, int, int, int, int); 168 static void cg14_bitblt(void *, int, int, int, int, int, int, int); 169 static void cg14_bitblt_gc(void *, int, int, int, int, int, int, int); 170 171 static void cg14_putchar_aa(void *, int, int, u_int, long); 172 static void cg14_cursor(void *, int, int, int); 173 static void cg14_putchar(void *, int, int, u_int, long); 174 static void cg14_copycols(void *, int, int, int, int); 175 static void cg14_erasecols(void *, int, int, int, long); 176 static void cg14_copyrows(void *, int, int, int); 177 static void cg14_eraserows(void *, int, int, long); 178 #endif /* NSX > 0 */ 179 180 #endif 181 182 /* 183 * Match a cgfourteen. 184 */ 185 int 186 cgfourteenmatch(device_t parent, struct cfdata *cf, void *aux) 187 { 188 union obio_attach_args *uoba = aux; 189 struct sbus_attach_args *sa = &uoba->uoba_sbus; 190 191 /* 192 * The cgfourteen is a local-bus video adaptor, accessed directly 193 * via the processor, and not through device space or an external 194 * bus. Thus we look _only_ at the obio bus. 195 * Additionally, these things exist only on the Sun4m. 196 */ 197 198 if (uoba->uoba_isobio4 != 0 || !CPU_ISSUN4M) 199 return (0); 200 201 /* Check driver name */ 202 return (strcmp(cf->cf_name, sa->sa_name) == 0); 203 } 204 205 #if NWSDISPLAY > 0 206 static int cg14_ioctl(void *, void *, u_long, void *, int, struct lwp *); 207 static paddr_t cg14_mmap(void *, void *, off_t, int); 208 static void cg14_init_screen(void *, struct vcons_screen *, int, long *); 209 210 211 struct wsdisplay_accessops cg14_accessops = { 212 cg14_ioctl, 213 cg14_mmap, 214 NULL, /* alloc_screen */ 215 NULL, /* free_screen */ 216 NULL, /* show_screen */ 217 NULL, /* load_font */ 218 NULL, /* pollc */ 219 NULL /* scroll */ 220 }; 221 #endif 222 223 /* 224 * Attach a display. We need to notice if it is the console, too. 225 */ 226 void 227 cgfourteenattach(device_t parent, device_t self, void *aux) 228 { 229 union obio_attach_args *uoba = aux; 230 struct sbus_attach_args *sa = &uoba->uoba_sbus; 231 struct cgfourteen_softc *sc = device_private(self); 232 struct fbdevice *fb = &sc->sc_fb; 233 bus_space_handle_t bh; 234 int node; 235 volatile uint32_t *lut; 236 int i, isconsole, items; 237 uint32_t fbva[2] = {0, 0}; 238 uint32_t *ptr = fbva; 239 #if NSX > 0 240 device_t dv; 241 deviter_t di; 242 #endif 243 244 sc->sc_dev = self; 245 sc->sc_opens = 0; 246 node = sa->sa_node; 247 248 /* Remember cookies for cgfourteenmmap() */ 249 sc->sc_bustag = sa->sa_bustag; 250 251 fb->fb_driver = &cgfourteenfbdriver; 252 fb->fb_device = sc->sc_dev; 253 /* Mask out invalid flags from the user. */ 254 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 255 256 fb->fb_type.fb_type = FBTYPE_MDICOLOR; 257 fb->fb_type.fb_depth = 32; 258 259 fb_setsize_obp(fb, sc->sc_fb.fb_type.fb_depth, 1152, 900, node); 260 261 fb->fb_type.fb_cmsize = CG14_CLUT_SIZE; 262 263 if (sa->sa_nreg < 2) { 264 printf("%s: only %d register sets\n", 265 device_xname(self), sa->sa_nreg); 266 return; 267 } 268 memcpy(sc->sc_physadr, sa->sa_reg, 269 sa->sa_nreg * sizeof(struct sbus_reg)); 270 271 sc->sc_vramsize = sc->sc_physadr[CG14_PXL_IDX].sbr_size; 272 fb->fb_type.fb_size = sc->sc_vramsize; 273 274 printf(": %d MB VRAM", (uint32_t)(sc->sc_vramsize >> 20)); 275 /* 276 * Now map in the 8 useful pages of registers 277 */ 278 if (sa->sa_size < 0x10000) { 279 #ifdef DIAGNOSTIC 280 printf("warning: can't find all cgfourteen registers...\n"); 281 #endif 282 sa->sa_size = 0x10000; 283 } 284 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 285 sa->sa_offset, 286 sa->sa_size, 287 BUS_SPACE_MAP_LINEAR, 288 &bh) != 0) { 289 printf("%s: cannot map control registers\n", 290 device_xname(self)); 291 return; 292 } 293 sc->sc_regh = bh; 294 sc->sc_regaddr = BUS_ADDR(sa->sa_slot, sa->sa_offset); 295 sc->sc_fbaddr = BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 296 sc->sc_physadr[CG14_PXL_IDX].sbr_offset); 297 298 sc->sc_ctl = (struct cg14ctl *) (bh); 299 sc->sc_hwc = (struct cg14curs *) (bh + CG14_OFFSET_CURS); 300 sc->sc_dac = (struct cg14dac *) (bh + CG14_OFFSET_DAC); 301 sc->sc_xlut = (struct cg14xlut *) (bh + CG14_OFFSET_XLUT); 302 sc->sc_clut1 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT1); 303 sc->sc_clut2 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT2); 304 sc->sc_clut3 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT3); 305 sc->sc_clutincr = (u_int *) (bh + CG14_OFFSET_CLUTINCR); 306 307 /* 308 * Let the user know that we're here 309 */ 310 printf(": %dx%d", 311 fb->fb_type.fb_width, fb->fb_type.fb_height); 312 313 /* 314 * Enable the video. 315 */ 316 cg14_set_video(sc, 1); 317 318 /* 319 * Grab the initial colormap 320 */ 321 lut = sc->sc_clut1->clut_lut; 322 for (i = 0; i < CG14_CLUT_SIZE; i++) 323 sc->sc_cmap.cm_chip[i] = lut[i]; 324 325 /* See if we're the console */ 326 isconsole = fb_is_console(node); 327 328 #if NWSDISPLAY > 0 329 prom_getprop(sa->sa_node, "address", 4, &items, &ptr); 330 if (fbva[1] == 0) { 331 if (sbus_bus_map( sc->sc_bustag, 332 sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 333 sc->sc_physadr[CG14_PXL_IDX].sbr_offset, 334 sc->sc_vramsize, BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 335 &bh) != 0) { 336 printf("%s: cannot map pixels\n", 337 device_xname(sc->sc_dev)); 338 return; 339 } 340 sc->sc_fb.fb_pixels = bus_space_vaddr(sc->sc_bustag, bh); 341 } else { 342 sc->sc_fb.fb_pixels = (void *)fbva[1]; 343 } 344 345 if (isconsole) 346 printf(" (console)\n"); 347 else 348 printf("\n"); 349 350 sc->sc_depth = 8; 351 352 #if NSX > 0 353 /* see if we've got an SX to help us */ 354 sc->sc_sx = NULL; 355 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); 356 dv != NULL; 357 dv = deviter_next(&di)) { 358 if (device_is_a(dv, "sx")) { 359 sc->sc_sx = device_private(dv); 360 } 361 } 362 deviter_release(&di); 363 if (sc->sc_sx != NULL) { 364 sc->sc_fb_paddr = bus_space_mmap(sc->sc_bustag, 365 sc->sc_fbaddr, 0, 0, 0) & 0xfffff000; 366 aprint_normal_dev(sc->sc_dev, "using %s\n", 367 device_xname(sc->sc_sx->sc_dev)); 368 aprint_debug_dev(sc->sc_dev, "fb paddr: %08x\n", 369 sc->sc_fb_paddr); 370 sx_write(sc->sc_sx, SX_PAGE_BOUND_LOWER, sc->sc_fb_paddr); 371 sx_write(sc->sc_sx, SX_PAGE_BOUND_UPPER, 372 sc->sc_fb_paddr + 0x03ffffff); 373 } 374 cg14_wait_idle(sc); 375 #endif 376 cg14_setup_wsdisplay(sc, isconsole); 377 #endif 378 379 /* Attach to /dev/fb */ 380 fb_attach(&sc->sc_fb, isconsole); 381 } 382 383 /* 384 * Keep track of the number of opens made. In the 24-bit driver, we need to 385 * switch to 24-bit mode on the first open, and switch back to 8-bit on 386 * the last close. This kind of nonsense is needed to give screenblank 387 * a fighting chance of working. 388 */ 389 390 int 391 cgfourteenopen(dev_t dev, int flags, int mode, struct lwp *l) 392 { 393 struct cgfourteen_softc *sc; 394 int oldopens; 395 396 sc = device_lookup_private(&cgfourteen_cd, minor(dev)); 397 if (sc == NULL) 398 return(ENXIO); 399 oldopens = sc->sc_opens++; 400 401 /* Setup the cg14 as we want it, and save the original PROM state */ 402 if (oldopens == 0) /* first open only, to make screenblank work */ 403 cg14_init(sc); 404 405 return (0); 406 } 407 408 int 409 cgfourteenclose(dev_t dev, int flags, int mode, struct lwp *l) 410 { 411 struct cgfourteen_softc *sc = 412 device_lookup_private(&cgfourteen_cd, minor(dev)); 413 int opens; 414 415 opens = --sc->sc_opens; 416 if (sc->sc_opens < 0) 417 opens = sc->sc_opens = 0; 418 419 /* 420 * Restore video state to make the PROM happy, on last close. 421 */ 422 if (opens == 0) { 423 cg14_reset(sc); 424 #if NSX > 0 425 if (sc->sc_sx) 426 glyphcache_wipe(&sc->sc_gc); 427 #endif 428 } 429 return (0); 430 } 431 432 int 433 cgfourteenioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 434 { 435 struct cgfourteen_softc *sc = 436 device_lookup_private(&cgfourteen_cd, minor(dev)); 437 struct fbgattr *fba; 438 int error; 439 440 switch (cmd) { 441 442 case FBIOGTYPE: 443 *(struct fbtype *)data = sc->sc_fb.fb_type; 444 break; 445 446 case FBIOGATTR: 447 fba = (struct fbgattr *)data; 448 fba->real_type = FBTYPE_MDICOLOR; 449 fba->owner = 0; /* XXX ??? */ 450 fba->fbtype = sc->sc_fb.fb_type; 451 fba->sattr.flags = 0; 452 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 453 fba->sattr.dev_specific[0] = -1; 454 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 455 fba->emu_types[1] = -1; 456 break; 457 458 case FBIOGETCMAP: 459 return(cg14_get_cmap((struct fbcmap *)data, &sc->sc_cmap, 460 CG14_CLUT_SIZE)); 461 462 case FBIOPUTCMAP: 463 /* copy to software map */ 464 #define p ((struct fbcmap *)data) 465 error = cg14_put_cmap(p, &sc->sc_cmap, CG14_CLUT_SIZE); 466 if (error) 467 return (error); 468 /* now blast them into the chip */ 469 /* XXX should use retrace interrupt */ 470 cg14_load_hwcmap(sc, p->index, p->count); 471 #undef p 472 break; 473 474 case FBIOGVIDEO: 475 *(int *)data = cg14_get_video(sc); 476 break; 477 478 case FBIOSVIDEO: 479 cg14_set_video(sc, *(int *)data); 480 break; 481 482 case CG14_SET_PIXELMODE: { 483 int depth = *(int *)data; 484 485 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) 486 return EINVAL; 487 488 cg14_set_depth(sc, depth); 489 } 490 break; 491 default: 492 return (ENOTTY); 493 } 494 return (0); 495 } 496 497 /* 498 * Undo the effect of an FBIOSVIDEO that turns the video off. 499 */ 500 static void 501 cgfourteenunblank(device_t dev) 502 { 503 struct cgfourteen_softc *sc = device_private(dev); 504 505 cg14_set_video(sc, 1); 506 #if NWSDISPLAY > 0 507 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) { 508 cg14_set_depth(sc, 8); 509 cg14_init_cmap(sc); 510 vcons_redraw_screen(sc->sc_vd.active); 511 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 512 } 513 #endif 514 } 515 516 /* 517 * Return the address that would map the given device at the given 518 * offset, allowing for the given protection, or return -1 for error. 519 */ 520 paddr_t 521 cgfourteenmmap(dev_t dev, off_t off, int prot) 522 { 523 struct cgfourteen_softc *sc = 524 device_lookup_private(&cgfourteen_cd, minor(dev)); 525 off_t offset = -1; 526 527 if (off & PGOFSET) 528 panic("cgfourteenmmap"); 529 530 if (off < 0) 531 return (-1); 532 533 if (off >= 0 && off < 0x10000) { 534 offset = sc->sc_regaddr; 535 } else if (off >= CG14_CURSOR_VOFF && 536 off < (CG14_CURSOR_VOFF + 0x1000)) { 537 offset = sc->sc_regaddr + CG14_OFFSET_CURS; 538 off -= CG14_CURSOR_VOFF; 539 } else if (off >= CG14_DIRECT_VOFF && 540 off < (CG14_DIRECT_VOFF + sc->sc_vramsize)) { 541 offset = sc->sc_fbaddr + CG14_FB_VRAM; 542 off -= CG14_DIRECT_VOFF; 543 } else if (off >= CG14_BGR_VOFF && 544 off < (CG14_BGR_VOFF + sc->sc_vramsize)) { 545 offset = sc->sc_fbaddr + CG14_FB_CBGR; 546 off -= CG14_BGR_VOFF; 547 } else if (off >= CG14_X32_VOFF && 548 off < (CG14_X32_VOFF + (sc->sc_vramsize >> 2))) { 549 offset = sc->sc_fbaddr + CG14_FB_PX32; 550 off -= CG14_X32_VOFF; 551 } else if (off >= CG14_B32_VOFF && 552 off < (CG14_B32_VOFF + (sc->sc_vramsize >> 2))) { 553 offset = sc->sc_fbaddr + CG14_FB_PB32; 554 off -= CG14_B32_VOFF; 555 } else if (off >= CG14_G32_VOFF && 556 off < (CG14_G32_VOFF + (sc->sc_vramsize >> 2))) { 557 offset = sc->sc_fbaddr + CG14_FB_PG32; 558 off -= CG14_G32_VOFF; 559 } else if (off >= CG14_R32_VOFF && 560 off < CG14_R32_VOFF + (sc->sc_vramsize >> 2)) { 561 offset = sc->sc_fbaddr + CG14_FB_PR32; 562 off -= CG14_R32_VOFF; 563 #if NSX > 0 564 /* 565 * for convenience we also map the SX ranges here: 566 * - one page userland registers 567 * - CG14-sized IO space at 0x800000000 ( not a typo, it's above 4GB ) 568 */ 569 } else if (sc->sc_sx == NULL) { 570 return -1; 571 } else if (off >= CG14_SXREG_VOFF && 572 off < (CG14_SXREG_VOFF + 0x400)) { 573 return (bus_space_mmap(sc->sc_sx->sc_tag, sc->sc_sx->sc_uregs, 574 0, prot, BUS_SPACE_MAP_LINEAR)); 575 } else if (off >= CG14_SXIO_VOFF && 576 off < (CG14_SXIO_VOFF + 0x03ffffff)) { 577 return (bus_space_mmap(sc->sc_sx->sc_tag, 0x800000000LL, 578 sc->sc_fb_paddr + (off - CG14_SXIO_VOFF), 579 prot, BUS_SPACE_MAP_LINEAR)); 580 #endif 581 } else 582 return -1; 583 584 return (bus_space_mmap(sc->sc_bustag, offset, off, prot, 585 BUS_SPACE_MAP_LINEAR)); 586 } 587 588 int 589 cgfourteenpoll(dev_t dev, int events, struct lwp *l) 590 { 591 592 return (seltrue(dev, events, l)); 593 } 594 595 /* 596 * Miscellaneous helper functions 597 */ 598 599 /* Initialize the framebuffer, storing away useful state for later reset */ 600 static void 601 cg14_init(struct cgfourteen_softc *sc) 602 { 603 cg14_set_depth(sc, 32); 604 } 605 606 static void 607 /* Restore the state saved on cg14_init */ 608 cg14_reset(struct cgfourteen_softc *sc) 609 { 610 cg14_set_depth(sc, 8); 611 } 612 613 /* Enable/disable video display; power down monitor if DPMS-capable */ 614 static void 615 cg14_set_video(struct cgfourteen_softc *sc, int enable) 616 { 617 /* 618 * We can only use DPMS to power down the display if the chip revision 619 * is greater than 0. 620 */ 621 if (enable) { 622 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 623 sc->sc_ctl->ctl_mctl |= (CG14_MCTL_ENABLEVID | 624 CG14_MCTL_POWERCTL); 625 else 626 sc->sc_ctl->ctl_mctl |= CG14_MCTL_ENABLEVID; 627 } else { 628 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 629 sc->sc_ctl->ctl_mctl &= ~(CG14_MCTL_ENABLEVID | 630 CG14_MCTL_POWERCTL); 631 else 632 sc->sc_ctl->ctl_mctl &= ~CG14_MCTL_ENABLEVID; 633 } 634 } 635 636 /* Get status of video display */ 637 static int 638 cg14_get_video(struct cgfourteen_softc *sc) 639 { 640 return ((sc->sc_ctl->ctl_mctl & CG14_MCTL_ENABLEVID) != 0); 641 } 642 643 /* Read the software shadow colormap */ 644 static int 645 cg14_get_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 646 { 647 u_int i, start, count; 648 u_char *cp; 649 int error; 650 651 start = p->index; 652 count = p->count; 653 if (start >= cmsize || count > cmsize - start) 654 return (EINVAL); 655 656 for (cp = &cm->cm_map[start][0], i = 0; i < count; cp += 4, i++) { 657 error = copyout(&cp[3], &p->red[i], 1); 658 if (error) 659 return error; 660 error = copyout(&cp[2], &p->green[i], 1); 661 if (error) 662 return error; 663 error = copyout(&cp[1], &p->blue[i], 1); 664 if (error) 665 return error; 666 } 667 return (0); 668 } 669 670 /* Write the software shadow colormap */ 671 static int 672 cg14_put_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 673 { 674 u_int i, start, count; 675 u_char *cp; 676 u_char cmap[256][4]; 677 int error; 678 679 start = p->index; 680 count = p->count; 681 if (start >= cmsize || count > cmsize - start) 682 return (EINVAL); 683 684 memcpy(&cmap, &cm->cm_map, sizeof cmap); 685 for (cp = &cmap[start][0], i = 0; i < count; cp += 4, i++) { 686 error = copyin(&p->red[i], &cp[3], 1); 687 if (error) 688 return error; 689 error = copyin(&p->green[i], &cp[2], 1); 690 if (error) 691 return error; 692 error = copyin(&p->blue[i], &cp[1], 1); 693 if (error) 694 return error; 695 cp[0] = 0; /* no alpha channel */ 696 } 697 memcpy(&cm->cm_map, &cmap, sizeof cmap); 698 return (0); 699 } 700 701 static void 702 cg14_load_hwcmap(struct cgfourteen_softc *sc, int start, int ncolors) 703 { 704 /* XXX switch to auto-increment, and on retrace intr */ 705 706 /* Setup pointers to source and dest */ 707 uint32_t *colp = &sc->sc_cmap.cm_chip[start]; 708 volatile uint32_t *lutp = &sc->sc_clut1->clut_lut[start]; 709 710 /* Copy by words */ 711 while (--ncolors >= 0) 712 *lutp++ = *colp++; 713 } 714 715 static void 716 cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons) 717 { 718 struct wsemuldisplaydev_attach_args aa; 719 struct rasops_info *ri; 720 long defattr; 721 722 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 723 "default", 724 0, 0, 725 NULL, 726 8, 16, 727 WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | 728 WSSCREEN_RESIZE, 729 NULL 730 }; 731 cg14_set_depth(sc, 8); 732 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 733 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 734 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 735 vcons_init(&sc->sc_vd, sc, &sc->sc_defaultscreen_descr, 736 &cg14_accessops); 737 sc->sc_vd.init_screen = cg14_init_screen; 738 sc->sc_vd.show_screen_cookie = &sc->sc_gc; 739 sc->sc_vd.show_screen_cb = glyphcache_adapt; 740 741 ri = &sc->sc_console_screen.scr_ri; 742 743 sc->sc_gc.gc_bitblt = cg14_bitblt_gc; 744 sc->sc_gc.gc_blitcookie = sc; 745 sc->sc_gc.gc_rectfill = cg14_rectfill_a; 746 sc->sc_gc.gc_rop = 0xc; 747 748 vcons_init_screen(&sc->sc_vd, &sc->sc_console_screen, 1, 749 &defattr); 750 751 /* clear the screen with the default background colour */ 752 if (sc->sc_sx != NULL) { 753 cg14_rectfill(sc, 0, 0, ri->ri_width, ri->ri_height, 754 ri->ri_devcmap[(defattr >> 16) & 0xf]); 755 } else { 756 memset(sc->sc_fb.fb_pixels, 757 ri->ri_devcmap[(defattr >> 16) & 0xf], 758 ri->ri_stride * ri->ri_height); 759 } 760 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 761 762 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 763 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 764 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 765 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 766 glyphcache_init(&sc->sc_gc, sc->sc_fb.fb_type.fb_height + 5, 767 (sc->sc_vramsize / sc->sc_fb.fb_type.fb_width) - 768 sc->sc_fb.fb_type.fb_height - 5, 769 sc->sc_fb.fb_type.fb_width, 770 ri->ri_font->fontwidth, 771 ri->ri_font->fontheight, 772 defattr); 773 if (is_cons) { 774 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 775 defattr); 776 vcons_replay_msgbuf(&sc->sc_console_screen); 777 } 778 779 cg14_init_cmap(sc); 780 781 aa.console = is_cons; 782 aa.scrdata = &sc->sc_screenlist; 783 aa.accessops = &cg14_accessops; 784 aa.accesscookie = &sc->sc_vd; 785 786 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 787 } 788 789 static void 790 cg14_init_cmap(struct cgfourteen_softc *sc) 791 { 792 struct rasops_info *ri = &sc->sc_console_screen.scr_ri; 793 int i, j = 0; 794 uint8_t cmap[768]; 795 796 rasops_get_cmap(ri, cmap, sizeof(cmap)); 797 798 for (i = 0; i < 256; i++) { 799 800 sc->sc_cmap.cm_map[i][3] = cmap[j]; 801 sc->sc_cmap.cm_map[i][2] = cmap[j + 1]; 802 sc->sc_cmap.cm_map[i][1] = cmap[j + 2]; 803 j += 3; 804 } 805 cg14_load_hwcmap(sc, 0, 256); 806 } 807 808 static int 809 cg14_putcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 810 { 811 u_int index = cm->index; 812 u_int count = cm->count; 813 int i, error; 814 u_char rbuf[256], gbuf[256], bbuf[256]; 815 816 if (cm->index >= 256 || cm->count > 256 || 817 (cm->index + cm->count) > 256) 818 return EINVAL; 819 error = copyin(cm->red, &rbuf[index], count); 820 if (error) 821 return error; 822 error = copyin(cm->green, &gbuf[index], count); 823 if (error) 824 return error; 825 error = copyin(cm->blue, &bbuf[index], count); 826 if (error) 827 return error; 828 829 for (i = 0; i < count; i++) { 830 sc->sc_cmap.cm_map[index][3] = rbuf[index]; 831 sc->sc_cmap.cm_map[index][2] = gbuf[index]; 832 sc->sc_cmap.cm_map[index][1] = bbuf[index]; 833 834 index++; 835 } 836 cg14_load_hwcmap(sc, 0, 256); 837 return 0; 838 } 839 840 static int 841 cg14_getcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 842 { 843 uint8_t rbuf[256], gbuf[256], bbuf[256]; 844 u_int index = cm->index; 845 u_int count = cm->count; 846 int error, i; 847 848 if (index >= 255 || count > 256 || index + count > 256) 849 return EINVAL; 850 851 852 for (i = 0; i < count; i++) { 853 rbuf[i] = sc->sc_cmap.cm_map[index][3]; 854 gbuf[i] = sc->sc_cmap.cm_map[index][2]; 855 bbuf[i] = sc->sc_cmap.cm_map[index][1]; 856 857 index++; 858 } 859 error = copyout(rbuf, cm->red, count); 860 if (error) 861 return error; 862 error = copyout(gbuf, cm->green, count); 863 if (error) 864 return error; 865 error = copyout(bbuf, cm->blue, count); 866 if (error) 867 return error; 868 869 return 0; 870 } 871 872 static int 873 cg14_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 874 struct lwp *l) 875 { 876 struct vcons_data *vd = v; 877 struct cgfourteen_softc *sc = vd->cookie; 878 struct wsdisplay_fbinfo *wdf; 879 struct vcons_screen *ms = vd->active; 880 881 switch (cmd) { 882 883 case WSDISPLAYIO_GTYPE: 884 *(uint32_t *)data = WSDISPLAY_TYPE_SUNCG14; 885 return 0; 886 887 case WSDISPLAYIO_GINFO: 888 wdf = (void *)data; 889 wdf->height = ms->scr_ri.ri_height; 890 wdf->width = ms->scr_ri.ri_width; 891 wdf->depth = 32; 892 wdf->cmsize = 256; 893 return 0; 894 895 case WSDISPLAYIO_GETCMAP: 896 return cg14_getcmap(sc, 897 (struct wsdisplay_cmap *)data); 898 899 case WSDISPLAYIO_PUTCMAP: 900 return cg14_putcmap(sc, 901 (struct wsdisplay_cmap *)data); 902 903 case WSDISPLAYIO_LINEBYTES: 904 *(u_int *)data = ms->scr_ri.ri_stride << 2; 905 return 0; 906 907 case WSDISPLAYIO_SMODE: 908 { 909 int new_mode = *(int*)data; 910 if (new_mode != sc->sc_mode) { 911 sc->sc_mode = new_mode; 912 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 913 bus_space_write_1(sc->sc_bustag, 914 sc->sc_regh, 915 CG14_CURSOR_CONTROL, 0); 916 917 cg14_set_depth(sc, 8); 918 cg14_init_cmap(sc); 919 #if NSX > 0 920 if (sc->sc_sx) 921 glyphcache_wipe(&sc->sc_gc); 922 #endif 923 vcons_redraw_screen(ms); 924 } else { 925 926 cg14_set_depth(sc, 32); 927 } 928 } 929 } 930 return 0; 931 case WSDISPLAYIO_SVIDEO: 932 cg14_set_video(sc, *(int *)data); 933 return 0; 934 case WSDISPLAYIO_GVIDEO: 935 return cg14_get_video(sc) ? 936 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 937 case WSDISPLAYIO_GCURPOS: 938 { 939 struct wsdisplay_curpos *cp = (void *)data; 940 941 cp->x = sc->sc_cursor.cc_pos.x; 942 cp->y = sc->sc_cursor.cc_pos.y; 943 } 944 return 0; 945 case WSDISPLAYIO_SCURPOS: 946 { 947 struct wsdisplay_curpos *cp = (void *)data; 948 949 cg14_move_cursor(sc, cp->x, cp->y); 950 } 951 return 0; 952 case WSDISPLAYIO_GCURMAX: 953 { 954 struct wsdisplay_curpos *cp = (void *)data; 955 956 cp->x = 32; 957 cp->y = 32; 958 } 959 return 0; 960 case WSDISPLAYIO_SCURSOR: 961 { 962 struct wsdisplay_cursor *cursor = (void *)data; 963 964 return cg14_do_cursor(sc, cursor); 965 } 966 case PCI_IOC_CFGREAD: 967 case PCI_IOC_CFGWRITE: 968 return EINVAL; 969 970 } 971 return EPASSTHROUGH; 972 } 973 974 static paddr_t 975 cg14_mmap(void *v, void *vs, off_t offset, int prot) 976 { 977 struct vcons_data *vd = v; 978 struct cgfourteen_softc *sc = vd->cookie; 979 980 /* allow mmap()ing the full framebuffer, not just what we use */ 981 if (offset < sc->sc_vramsize) 982 return bus_space_mmap(sc->sc_bustag, 983 BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 984 sc->sc_physadr[CG14_PXL_IDX].sbr_offset), 985 offset + CG14_FB_CBGR, prot, BUS_SPACE_MAP_LINEAR); 986 987 return -1; 988 } 989 990 static void 991 cg14_init_screen(void *cookie, struct vcons_screen *scr, 992 int existing, long *defattr) 993 { 994 struct cgfourteen_softc *sc = cookie; 995 struct rasops_info *ri = &scr->scr_ri; 996 997 ri->ri_depth = 8; 998 ri->ri_width = sc->sc_fb.fb_type.fb_width; 999 ri->ri_height = sc->sc_fb.fb_type.fb_height; 1000 ri->ri_stride = ri->ri_width; 1001 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 1002 1003 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 1004 1005 scr->scr_flags |= VCONS_LOADFONT; 1006 #if NSX > 0 1007 ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA | RI_PREFER_ALPHA; 1008 1009 /* 1010 * unaligned copies with horizontal overlap are slow, so don't bother 1011 * handling them in cg14_bitblt() and use putchar() instead 1012 */ 1013 if (sc->sc_sx != NULL) { 1014 scr->scr_flags |= VCONS_NO_COPYCOLS; 1015 } else 1016 #endif 1017 scr->scr_flags |= VCONS_DONT_READ; 1018 1019 if (existing) { 1020 ri->ri_flg |= RI_CLEAR; 1021 } 1022 1023 rasops_init(ri, 0, 0); 1024 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | 1025 WSSCREEN_RESIZE; 1026 1027 rasops_reconfig(ri, 1028 sc->sc_fb.fb_type.fb_height / ri->ri_font->fontheight, 1029 sc->sc_fb.fb_type.fb_width / ri->ri_font->fontwidth); 1030 1031 ri->ri_hw = scr; 1032 #if NSX > 0 1033 if (sc->sc_sx != NULL) { 1034 ri->ri_ops.copyrows = cg14_copyrows; 1035 ri->ri_ops.copycols = cg14_copycols; 1036 ri->ri_ops.eraserows = cg14_eraserows; 1037 ri->ri_ops.erasecols = cg14_erasecols; 1038 ri->ri_ops.cursor = cg14_cursor; 1039 if (FONT_IS_ALPHA(ri->ri_font)) { 1040 ri->ri_ops.putchar = cg14_putchar_aa; 1041 } else 1042 ri->ri_ops.putchar = cg14_putchar; 1043 } 1044 #endif /* NSX > 0 */ 1045 } 1046 1047 static void 1048 cg14_set_depth(struct cgfourteen_softc *sc, int depth) 1049 { 1050 int i; 1051 1052 if (sc->sc_depth == depth) 1053 return; 1054 1055 switch (depth) { 1056 case 8: 1057 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1058 CG14_MCTL, CG14_MCTL_ENABLEVID | 1059 CG14_MCTL_PIXMODE_8 | CG14_MCTL_POWERCTL); 1060 sc->sc_depth = 8; 1061 /* everything is CLUT1 */ 1062 for (i = 0; i < CG14_CLUT_SIZE; i++) 1063 sc->sc_xlut->xlut_lut[i] = 0; 1064 break; 1065 case 32: 1066 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1067 CG14_MCTL, CG14_MCTL_ENABLEVID | 1068 CG14_MCTL_PIXMODE_32 | CG14_MCTL_POWERCTL); 1069 sc->sc_depth = 32; 1070 for (i = 0; i < CG14_CLUT_SIZE; i++) 1071 sc->sc_xlut->xlut_lut[i] = 0; 1072 break; 1073 default: 1074 printf("%s: can't change to depth %d\n", 1075 device_xname(sc->sc_dev), depth); 1076 } 1077 } 1078 1079 static void 1080 cg14_move_cursor(struct cgfourteen_softc *sc, int x, int y) 1081 { 1082 uint32_t pos; 1083 1084 sc->sc_cursor.cc_pos.x = x; 1085 sc->sc_cursor.cc_pos.y = y; 1086 pos = ((sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x ) << 16) | 1087 ((sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y ) & 0xffff); 1088 bus_space_write_4(sc->sc_bustag, sc->sc_regh, CG14_CURSOR_X, pos); 1089 } 1090 1091 static int 1092 cg14_do_cursor(struct cgfourteen_softc *sc, struct wsdisplay_cursor *cur) 1093 { 1094 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1095 1096 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1097 CG14_CURSOR_CONTROL, cur->enable ? CG14_CRSR_ENABLE : 0); 1098 } 1099 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1100 1101 sc->sc_cursor.cc_hot.x = cur->hot.x; 1102 sc->sc_cursor.cc_hot.y = cur->hot.y; 1103 cur->which |= WSDISPLAY_CURSOR_DOPOS; 1104 } 1105 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1106 1107 cg14_move_cursor(sc, cur->pos.x, cur->pos.y); 1108 } 1109 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1110 int i; 1111 uint32_t val; 1112 1113 if ((cur->cmap.index > 2) || (cur->cmap.count > 3) || 1114 (cur->cmap.index + cur->cmap.count > 3)) 1115 return EINVAL; 1116 1117 for (i = 0; i < uimin(cur->cmap.count, 3); i++) { 1118 val = (cur->cmap.red[i] ) | 1119 (cur->cmap.green[i] << 8) | 1120 (cur->cmap.blue[i] << 16); 1121 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1122 CG14_CURSOR_COLOR1 + ((i + cur->cmap.index) << 2), 1123 val); 1124 } 1125 } 1126 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1127 uint32_t buffer[32], latch, tmp; 1128 int i; 1129 1130 copyin(cur->mask, buffer, 128); 1131 for (i = 0; i < 32; i++) { 1132 latch = 0; 1133 tmp = buffer[i] & 0x80808080; 1134 latch |= tmp >> 7; 1135 tmp = buffer[i] & 0x40404040; 1136 latch |= tmp >> 5; 1137 tmp = buffer[i] & 0x20202020; 1138 latch |= tmp >> 3; 1139 tmp = buffer[i] & 0x10101010; 1140 latch |= tmp >> 1; 1141 tmp = buffer[i] & 0x08080808; 1142 latch |= tmp << 1; 1143 tmp = buffer[i] & 0x04040404; 1144 latch |= tmp << 3; 1145 tmp = buffer[i] & 0x02020202; 1146 latch |= tmp << 5; 1147 tmp = buffer[i] & 0x01010101; 1148 latch |= tmp << 7; 1149 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1150 CG14_CURSOR_PLANE0 + (i << 2), latch); 1151 } 1152 copyin(cur->image, buffer, 128); 1153 for (i = 0; i < 32; i++) { 1154 latch = 0; 1155 tmp = buffer[i] & 0x80808080; 1156 latch |= tmp >> 7; 1157 tmp = buffer[i] & 0x40404040; 1158 latch |= tmp >> 5; 1159 tmp = buffer[i] & 0x20202020; 1160 latch |= tmp >> 3; 1161 tmp = buffer[i] & 0x10101010; 1162 latch |= tmp >> 1; 1163 tmp = buffer[i] & 0x08080808; 1164 latch |= tmp << 1; 1165 tmp = buffer[i] & 0x04040404; 1166 latch |= tmp << 3; 1167 tmp = buffer[i] & 0x02020202; 1168 latch |= tmp << 5; 1169 tmp = buffer[i] & 0x01010101; 1170 latch |= tmp << 7; 1171 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1172 CG14_CURSOR_PLANE1 + (i << 2), latch); 1173 } 1174 } 1175 return 0; 1176 } 1177 1178 #if NSX > 0 1179 1180 static void 1181 cg14_wait_idle(struct cgfourteen_softc *sc) 1182 { 1183 } 1184 1185 static void 1186 cg14_rectfill(struct cgfourteen_softc *sc, int x, int y, int wi, int he, 1187 uint32_t colour) 1188 { 1189 uint32_t addr, pptr; 1190 int line, cnt, pre, words; 1191 int stride = sc->sc_fb.fb_type.fb_width; 1192 1193 addr = sc->sc_fb_paddr + x + stride * y; 1194 sx_write(sc->sc_sx, SX_QUEUED(8), colour); 1195 sx_write(sc->sc_sx, SX_QUEUED(9), colour); 1196 /* 1197 * Calculate the number of pixels we need to do one by one 1198 * until we're 32bit aligned, then do the rest in 32bit 1199 * mode. Assumes that stride is always a multiple of 4. 1200 */ 1201 /* TODO: use 32bit writes with byte mask instead */ 1202 pre = addr & 3; 1203 if (pre != 0) pre = 4 - pre; 1204 for (line = 0; line < he; line++) { 1205 pptr = addr; 1206 cnt = wi; 1207 if (pre) { 1208 sta(pptr & ~7, ASI_SX, SX_STBS(8, pre - 1, pptr & 7)); 1209 pptr += pre; 1210 cnt -= pre; 1211 } 1212 /* now do the aligned pixels in 32bit chunks */ 1213 while(cnt > 3) { 1214 words = uimin(32, cnt >> 2); 1215 sta(pptr & ~7, ASI_SX, SX_STS(8, words - 1, pptr & 7)); 1216 pptr += words << 2; 1217 cnt -= words << 2; 1218 } 1219 /* do any remaining pixels byte-wise again */ 1220 if (cnt > 0) 1221 sta(pptr & ~7, ASI_SX, SX_STBS(8, cnt - 1, pptr & 7)); 1222 addr += stride; 1223 } 1224 } 1225 1226 static void 1227 cg14_rectfill_a(void *cookie, int dstx, int dsty, 1228 int width, int height, long attr) 1229 { 1230 struct cgfourteen_softc *sc = cookie; 1231 1232 cg14_rectfill(sc, dstx, dsty, width, height, 1233 sc->sc_vd.active->scr_ri.ri_devcmap[(attr >> 24 & 0xf)]); 1234 } 1235 1236 static void 1237 cg14_invert(struct cgfourteen_softc *sc, int x, int y, int wi, int he) 1238 { 1239 uint32_t addr, pptr; 1240 int line, cnt, pre, words; 1241 int stride = sc->sc_fb.fb_type.fb_width; 1242 1243 addr = sc->sc_fb_paddr + x + stride * y; 1244 sx_write(sc->sc_sx, SX_ROP_CONTROL, 0x33); /* ~src a */ 1245 /* 1246 * Calculate the number of pixels we need to do one by one 1247 * until we're 32bit aligned, then do the rest in 32bit 1248 * mode. Assumes that stride is always a multiple of 4. 1249 */ 1250 /* TODO: use 32bit writes with byte mask instead */ 1251 pre = addr & 3; 1252 if (pre != 0) pre = 4 - pre; 1253 for (line = 0; line < he; line++) { 1254 pptr = addr; 1255 cnt = wi; 1256 if (pre) { 1257 sta(pptr & ~7, ASI_SX, SX_LDB(8, pre - 1, pptr & 7)); 1258 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1259 SX_ROP(8, 8, 32, pre - 1)); 1260 sta(pptr & ~7, ASI_SX, SX_STB(32, pre - 1, pptr & 7)); 1261 pptr += pre; 1262 cnt -= pre; 1263 } 1264 /* now do the aligned pixels in 32bit chunks */ 1265 while(cnt > 15) { 1266 words = uimin(16, cnt >> 2); 1267 sta(pptr & ~7, ASI_SX, SX_LD(8, words - 1, pptr & 7)); 1268 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1269 SX_ROP(8, 8, 32, words - 1)); 1270 sta(pptr & ~7, ASI_SX, SX_ST(32, words - 1, pptr & 7)); 1271 pptr += words << 2; 1272 cnt -= words << 2; 1273 } 1274 /* do any remaining pixels byte-wise again */ 1275 if (cnt > 0) 1276 sta(pptr & ~7, ASI_SX, SX_LDB(8, cnt - 1, pptr & 7)); 1277 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1278 SX_ROP(8, 8, 32, cnt - 1)); 1279 sta(pptr & ~7, ASI_SX, SX_STB(32, cnt - 1, pptr & 7)); 1280 addr += stride; 1281 } 1282 } 1283 1284 static inline void 1285 cg14_slurp(int reg, uint32_t addr, int cnt) 1286 { 1287 int num; 1288 while (cnt > 0) { 1289 num = uimin(32, cnt); 1290 sta(addr & ~7, ASI_SX, SX_LD(reg, num - 1, addr & 7)); 1291 cnt -= num; 1292 reg += num; 1293 addr += (num << 2); 1294 } 1295 } 1296 1297 static inline void 1298 cg14_spit(int reg, uint32_t addr, int cnt) 1299 { 1300 int num; 1301 while (cnt > 0) { 1302 num = uimin(32, cnt); 1303 sta(addr & ~7, ASI_SX, SX_ST(reg, num - 1, addr & 7)); 1304 cnt -= num; 1305 reg += num; 1306 addr += (num << 2); 1307 } 1308 } 1309 1310 static void 1311 cg14_bitblt(void *cookie, int xs, int ys, int xd, int yd, 1312 int wi, int he, int rop) 1313 { 1314 struct cgfourteen_softc *sc = cookie; 1315 uint32_t saddr, daddr, sptr, dptr; 1316 int line, cnt, stride = sc->sc_fb.fb_type.fb_width; 1317 int num, words, skip; 1318 1319 if (ys < yd) { 1320 /* need to go bottom-up */ 1321 saddr = sc->sc_fb_paddr + xs + stride * (ys + he - 1); 1322 daddr = sc->sc_fb_paddr + xd + stride * (yd + he - 1); 1323 skip = -stride; 1324 } else { 1325 saddr = sc->sc_fb_paddr + xs + stride * ys; 1326 daddr = sc->sc_fb_paddr + xd + stride * yd; 1327 skip = stride; 1328 } 1329 1330 if ((saddr & 3) == (daddr & 3)) { 1331 int pre = saddr & 3; /* pixels to copy byte-wise */ 1332 if (pre != 0) pre = 4 - pre; 1333 for (line = 0; line < he; line++) { 1334 sptr = saddr; 1335 dptr = daddr; 1336 cnt = wi; 1337 if (pre > 0) { 1338 sta(sptr & ~7, ASI_SX, 1339 SX_LDB(32, pre - 1, sptr & 7)); 1340 sta(dptr & ~7, ASI_SX, 1341 SX_STB(32, pre - 1, dptr & 7)); 1342 cnt -= pre; 1343 sptr += pre; 1344 dptr += pre; 1345 } 1346 words = cnt >> 2; 1347 while(cnt > 3) { 1348 num = uimin(120, words); 1349 cg14_slurp(8, sptr, num); 1350 cg14_spit(8, dptr, num); 1351 sptr += num << 2; 1352 dptr += num << 2; 1353 cnt -= num << 2; 1354 } 1355 if (cnt > 0) { 1356 sta(sptr & ~7, ASI_SX, 1357 SX_LDB(32, cnt - 1, sptr & 7)); 1358 sta(dptr & ~7, ASI_SX, 1359 SX_STB(32, cnt - 1, dptr & 7)); 1360 } 1361 saddr += skip; 1362 daddr += skip; 1363 } 1364 } else { 1365 /* unaligned, have to use byte mode */ 1366 /* funnel shifter & byte mask trickery? */ 1367 for (line = 0; line < he; line++) { 1368 sptr = saddr; 1369 dptr = daddr; 1370 cnt = wi; 1371 while(cnt > 31) { 1372 sta(sptr & ~7, ASI_SX, SX_LDB(32, 31, sptr & 7)); 1373 sta(dptr & ~7, ASI_SX, SX_STB(32, 31, dptr & 7)); 1374 sptr += 32; 1375 dptr += 32; 1376 cnt -= 32; 1377 } 1378 if (cnt > 0) { 1379 sta(sptr & ~7, ASI_SX, 1380 SX_LDB(32, cnt - 1, sptr & 7)); 1381 sta(dptr & ~7, ASI_SX, 1382 SX_STB(32, cnt - 1, dptr & 7)); 1383 } 1384 saddr += skip; 1385 daddr += skip; 1386 } 1387 } 1388 } 1389 1390 /* 1391 * for copying glyphs around 1392 * - uses all quads for reads 1393 * - uses quads for writes as far as possible 1394 * - limited by number of registers - won't do more than 120 wide 1395 * - doesn't handle overlaps 1396 */ 1397 static void 1398 cg14_bitblt_gc(void *cookie, int xs, int ys, int xd, int yd, 1399 int wi, int he, int rop) 1400 { 1401 struct cgfourteen_softc *sc = cookie; 1402 uint32_t saddr, daddr; 1403 int line, cnt = wi, stride = sc->sc_fb.fb_type.fb_width; 1404 int dreg = 8, swi = wi, dd; 1405 int in = 0, q = 0, out = 0, r; 1406 1407 saddr = sc->sc_fb_paddr + xs + stride * ys; 1408 daddr = sc->sc_fb_paddr + xd + stride * yd; 1409 1410 if (saddr & 3) { 1411 swi += saddr & 3; 1412 dreg += saddr & 3; 1413 saddr &= ~3; 1414 } 1415 swi = (swi + 3) >> 2; /* round up, number of quads to read */ 1416 1417 if (daddr & 3) { 1418 in = 4 - (daddr & 3); /* pixels to write in byte mode */ 1419 cnt -= in; 1420 } 1421 1422 q = cnt >> 2; 1423 out = cnt & 3; 1424 1425 for (line = 0; line < he; line++) { 1426 /* read source line, in all quads */ 1427 sta(saddr & ~7, ASI_SX, SX_LDUQ0(8, swi - 1, saddr & 7)); 1428 /* now write it out */ 1429 dd = daddr; 1430 r = dreg; 1431 if (in > 0) { 1432 sta(dd & ~7, ASI_SX, SX_STB(r, in - 1, dd & 7)); 1433 dd += in; 1434 r += in; 1435 } 1436 if (q > 0) { 1437 sta(dd & ~7, ASI_SX, SX_STUQ0(r, q - 1, dd & 7)); 1438 r += q << 2; 1439 dd += q << 2; 1440 } 1441 if (out > 0) { 1442 sta(dd & ~7, ASI_SX, SX_STB(r, out - 1, dd & 7)); 1443 } 1444 saddr += stride; 1445 daddr += stride; 1446 } 1447 } 1448 1449 static void 1450 cg14_putchar(void *cookie, int row, int col, u_int c, long attr) 1451 { 1452 struct rasops_info *ri = cookie; 1453 struct wsdisplay_font *font = PICK_FONT(ri, c); 1454 struct vcons_screen *scr = ri->ri_hw; 1455 struct cgfourteen_softc *sc = scr->scr_cookie; 1456 void *data; 1457 uint32_t fg, bg; 1458 int i, x, y, wi, he; 1459 uint32_t addr; 1460 int stride = sc->sc_fb.fb_type.fb_width; 1461 1462 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1463 return; 1464 1465 if (!CHAR_IN_FONT(c, font)) 1466 return; 1467 1468 wi = font->fontwidth; 1469 he = font->fontheight; 1470 1471 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1472 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1473 1474 x = ri->ri_xorigin + col * wi; 1475 y = ri->ri_yorigin + row * he; 1476 1477 if (c == 0x20) { 1478 cg14_rectfill(sc, x, y, wi, he, bg); 1479 if (attr & 1) 1480 cg14_rectfill(sc, x, y + he - 2, wi, 1, fg); 1481 return; 1482 } 1483 1484 sx_write(sc->sc_sx, SX_QUEUED(8), bg); 1485 sx_write(sc->sc_sx, SX_QUEUED(9), fg); 1486 1487 data = WSFONT_GLYPH(c, font); 1488 addr = sc->sc_fb_paddr + x + stride * y; 1489 1490 switch (font->stride) { 1491 case 1: { 1492 uint8_t *data8 = data; 1493 uint32_t reg; 1494 for (i = 0; i < he; i++) { 1495 reg = *data8; 1496 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1497 reg << 24); 1498 sta(addr & ~7, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1499 data8++; 1500 addr += stride; 1501 } 1502 break; 1503 } 1504 case 2: { 1505 uint16_t *data16 = data; 1506 uint32_t reg; 1507 for (i = 0; i < he; i++) { 1508 reg = *data16; 1509 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1510 reg << 16); 1511 sta(addr & ~7, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1512 data16++; 1513 addr += stride; 1514 } 1515 break; 1516 } 1517 } 1518 if (attr & 1) 1519 cg14_rectfill(sc, x, y + he - 2, wi, 1, fg); 1520 } 1521 1522 static void 1523 cg14_cursor(void *cookie, int on, int row, int col) 1524 { 1525 struct rasops_info *ri = cookie; 1526 struct vcons_screen *scr = ri->ri_hw; 1527 struct cgfourteen_softc *sc = scr->scr_cookie; 1528 int x, y, wi, he; 1529 1530 wi = ri->ri_font->fontwidth; 1531 he = ri->ri_font->fontheight; 1532 1533 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1534 x = ri->ri_ccol * wi + ri->ri_xorigin; 1535 y = ri->ri_crow * he + ri->ri_yorigin; 1536 if (ri->ri_flg & RI_CURSOR) { 1537 cg14_invert(sc, x, y, wi, he); 1538 ri->ri_flg &= ~RI_CURSOR; 1539 } 1540 ri->ri_crow = row; 1541 ri->ri_ccol = col; 1542 if (on) { 1543 x = ri->ri_ccol * wi + ri->ri_xorigin; 1544 y = ri->ri_crow * he + ri->ri_yorigin; 1545 cg14_invert(sc, x, y, wi, he); 1546 ri->ri_flg |= RI_CURSOR; 1547 } 1548 } else { 1549 scr->scr_ri.ri_crow = row; 1550 scr->scr_ri.ri_ccol = col; 1551 scr->scr_ri.ri_flg &= ~RI_CURSOR; 1552 } 1553 1554 } 1555 1556 static void 1557 cg14_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1558 { 1559 struct rasops_info *ri = cookie; 1560 struct wsdisplay_font *font = PICK_FONT(ri, c); 1561 struct vcons_screen *scr = ri->ri_hw; 1562 struct cgfourteen_softc *sc = scr->scr_cookie; 1563 int stride = sc->sc_fb.fb_type.fb_width; 1564 uint32_t bg, fg, addr, bg8, fg8, pixel, in, q, next; 1565 int i, j, x, y, wi, he, r, g, b, aval, cnt, reg; 1566 int r1, g1, b1, r0, g0, b0, fgo, bgo, rv; 1567 uint8_t *data8; 1568 1569 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1570 return; 1571 1572 if (!CHAR_IN_FONT(c, font)) 1573 return; 1574 1575 wi = font->fontwidth; 1576 he = font->fontheight; 1577 1578 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1579 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1580 x = ri->ri_xorigin + col * wi; 1581 y = ri->ri_yorigin + row * he; 1582 if (c == 0x20) { 1583 cg14_rectfill(sc, x, y, wi, he, bg); 1584 if (attr & 1) 1585 cg14_rectfill(sc, x, y + he - 2, wi, 1, fg); 1586 return; 1587 } 1588 1589 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1590 if (rv == GC_OK) 1591 return; 1592 1593 addr = sc->sc_fb_paddr + x + stride * y; 1594 data8 = WSFONT_GLYPH(c, font); 1595 1596 /* 1597 * we need the RGB colours here, so get offsets into rasops_cmap 1598 */ 1599 fgo = ((attr >> 24) & 0xf) * 3; 1600 bgo = ((attr >> 16) & 0xf) * 3; 1601 1602 r0 = rasops_cmap[bgo]; 1603 r1 = rasops_cmap[fgo]; 1604 g0 = rasops_cmap[bgo + 1]; 1605 g1 = rasops_cmap[fgo + 1]; 1606 b0 = rasops_cmap[bgo + 2]; 1607 b1 = rasops_cmap[fgo + 2]; 1608 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1609 bg8 = R3G3B2(r0, g0, b0); 1610 fg8 = R3G3B2(r1, g1, b1); 1611 1612 for (i = 0; i < he; i++) { 1613 /* calculate one line of pixels */ 1614 for (j = 0; j < wi; j++) { 1615 aval = *data8; 1616 if (aval == 0) { 1617 pixel = bg8; 1618 } else if (aval == 255) { 1619 pixel = fg8; 1620 } else { 1621 r = aval * r1 + (255 - aval) * r0; 1622 g = aval * g1 + (255 - aval) * g0; 1623 b = aval * b1 + (255 - aval) * b0; 1624 pixel = ((r & 0xe000) >> 8) | 1625 ((g & 0xe000) >> 11) | 1626 ((b & 0xc000) >> 14); 1627 } 1628 /* 1629 * stick them into SX registers and hope we never have 1630 * to deal with fonts more than 120 pixels wide 1631 */ 1632 sx_write(sc->sc_sx, SX_QUEUED(j + 8), pixel); 1633 data8++; 1634 } 1635 /* now write them into video memory */ 1636 in = (addr & 3); 1637 next = addr; 1638 reg = 8; 1639 cnt = wi; 1640 if (in != 0) { 1641 in = 4 - in; /* pixels to write until aligned */ 1642 sta(next & ~7, ASI_SX, SX_STB(8, in - 1, next & 7)); 1643 next += in; 1644 reg = 8 + in; 1645 cnt -= in; 1646 } 1647 q = cnt >> 2; /* number of writes we can do in quads */ 1648 if (q > 0) { 1649 sta(next & ~7, ASI_SX, SX_STUQ0(reg, q - 1, next & 7)); 1650 next += (q << 2); 1651 cnt -= (q << 2); 1652 reg += (q << 2); 1653 } 1654 if (cnt > 0) { 1655 sta(next & ~7, ASI_SX, SX_STB(reg, cnt - 1, next & 7)); 1656 } 1657 1658 addr += stride; 1659 } 1660 1661 if (rv == GC_ADD) { 1662 glyphcache_add(&sc->sc_gc, c, x, y); 1663 } else if (attr & 1) 1664 cg14_rectfill(sc, x, y + he - 2, wi, 1, fg); 1665 1666 } 1667 1668 static void 1669 cg14_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1670 { 1671 struct rasops_info *ri = cookie; 1672 struct vcons_screen *scr = ri->ri_hw; 1673 struct cgfourteen_softc *sc = scr->scr_cookie; 1674 int32_t xs, xd, y, width, height; 1675 1676 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1677 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1678 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1679 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1680 width = ri->ri_font->fontwidth * ncols; 1681 height = ri->ri_font->fontheight; 1682 cg14_bitblt(sc, xs, y, xd, y, width, height, 0x0c); 1683 } 1684 } 1685 1686 static void 1687 cg14_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1688 { 1689 struct rasops_info *ri = cookie; 1690 struct vcons_screen *scr = ri->ri_hw; 1691 struct cgfourteen_softc *sc = scr->scr_cookie; 1692 int32_t x, y, width, height, fg, bg, ul; 1693 1694 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1695 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1696 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1697 width = ri->ri_font->fontwidth * ncols; 1698 height = ri->ri_font->fontheight; 1699 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1700 1701 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1702 } 1703 } 1704 1705 static void 1706 cg14_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1707 { 1708 struct rasops_info *ri = cookie; 1709 struct vcons_screen *scr = ri->ri_hw; 1710 struct cgfourteen_softc *sc = scr->scr_cookie; 1711 int32_t x, ys, yd, width, height; 1712 1713 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1714 x = ri->ri_xorigin; 1715 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1716 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1717 width = ri->ri_emuwidth; 1718 height = ri->ri_font->fontheight * nrows; 1719 cg14_bitblt(sc, x, ys, x, yd, width, height, 0x0c); 1720 } 1721 } 1722 1723 static void 1724 cg14_eraserows(void *cookie, int row, int nrows, long fillattr) 1725 { 1726 struct rasops_info *ri = cookie; 1727 struct vcons_screen *scr = ri->ri_hw; 1728 struct cgfourteen_softc *sc = scr->scr_cookie; 1729 int32_t x, y, width, height, fg, bg, ul; 1730 1731 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1732 x = ri->ri_xorigin; 1733 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1734 width = ri->ri_emuwidth; 1735 height = ri->ri_font->fontheight * nrows; 1736 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1737 1738 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1739 } 1740 } 1741 1742 #endif /* NSX > 0 */ 1743 1744
Indexes created Mon Sep 29 18:09:42 GMT 2025