cgfourteen.c revision 1.79
1 /* $NetBSD: cgfourteen.c,v 1.79 2014/07/25 08:10:34 dholland 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> 99 100 #include <sparc/sparc/asm.h> 101 #include <sparc/dev/cgfourteenreg.h> 102 #include <sparc/dev/cgfourteenvar.h> 103 #include <sparc/dev/sxreg.h> 104 #include <sparc/dev/sxvar.h> 105 106 /* autoconfiguration driver */ 107 static int cgfourteenmatch(device_t, struct cfdata *, void *); 108 static void cgfourteenattach(device_t, device_t, void *); 109 static void cgfourteenunblank(device_t); 110 111 CFATTACH_DECL_NEW(cgfourteen, sizeof(struct cgfourteen_softc), 112 cgfourteenmatch, cgfourteenattach, NULL, NULL); 113 114 extern struct cfdriver cgfourteen_cd; 115 116 dev_type_open(cgfourteenopen); 117 dev_type_close(cgfourteenclose); 118 dev_type_ioctl(cgfourteenioctl); 119 dev_type_mmap(cgfourteenmmap); 120 dev_type_poll(cgfourteenpoll); 121 122 const struct cdevsw cgfourteen_cdevsw = { 123 .d_open = cgfourteenopen, 124 .d_close = cgfourteenclose, 125 .d_read = noread, 126 .d_write = nowrite, 127 .d_ioctl = cgfourteenioctl, 128 .d_stop = nostop, 129 .d_tty = notty, 130 .d_poll = cgfourteenpoll, 131 .d_mmap = cgfourteenmmap, 132 .d_kqfilter = nokqfilter, 133 .d_discard = nodiscard, 134 .d_flag = 0 135 }; 136 137 /* frame buffer generic driver */ 138 static struct fbdriver cgfourteenfbdriver = { 139 cgfourteenunblank, cgfourteenopen, cgfourteenclose, cgfourteenioctl, 140 cgfourteenpoll, cgfourteenmmap, nokqfilter 141 }; 142 143 static void cg14_set_video(struct cgfourteen_softc *, int); 144 static int cg14_get_video(struct cgfourteen_softc *); 145 static int cg14_get_cmap(struct fbcmap *, union cg14cmap *, int); 146 static int cg14_put_cmap(struct fbcmap *, union cg14cmap *, int); 147 static void cg14_load_hwcmap(struct cgfourteen_softc *, int, int); 148 static void cg14_init(struct cgfourteen_softc *); 149 static void cg14_reset(struct cgfourteen_softc *); 150 151 #if NWSDISPLAY > 0 152 static void cg14_setup_wsdisplay(struct cgfourteen_softc *, int); 153 static void cg14_init_cmap(struct cgfourteen_softc *); 154 static int cg14_putcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 155 static int cg14_getcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 156 static void cg14_set_depth(struct cgfourteen_softc *, int); 157 static void cg14_move_cursor(struct cgfourteen_softc *, int, int); 158 static int cg14_do_cursor(struct cgfourteen_softc *, 159 struct wsdisplay_cursor *); 160 161 #if NSX > 0 162 static void cg14_wait_idle(struct cgfourteen_softc *); 163 static void cg14_rectfill(struct cgfourteen_softc *, int, int, int, int, 164 uint32_t); 165 static void cg14_invert(struct cgfourteen_softc *, int, int, int, int); 166 static void cg14_bitblt(void *, int, int, int, int, int, int, int); 167 168 #if 0 169 static void cg14_putchar_aa(void *, int, int, u_int, long); 170 #endif 171 static void cg14_cursor(void *, int, int, int); 172 static void cg14_putchar(void *, int, int, u_int, long); 173 static void cg14_copycols(void *, int, int, int, int); 174 static void cg14_erasecols(void *, int, int, int, long); 175 static void cg14_copyrows(void *, int, int, int); 176 static void cg14_eraserows(void *, int, int, long); 177 #endif /* NSX > 0 */ 178 179 #endif 180 181 /* 182 * Match a cgfourteen. 183 */ 184 int 185 cgfourteenmatch(device_t parent, struct cfdata *cf, void *aux) 186 { 187 union obio_attach_args *uoba = aux; 188 struct sbus_attach_args *sa = &uoba->uoba_sbus; 189 190 /* 191 * The cgfourteen is a local-bus video adaptor, accessed directly 192 * via the processor, and not through device space or an external 193 * bus. Thus we look _only_ at the obio bus. 194 * Additionally, these things exist only on the Sun4m. 195 */ 196 197 if (uoba->uoba_isobio4 != 0 || !CPU_ISSUN4M) 198 return (0); 199 200 /* Check driver name */ 201 return (strcmp(cf->cf_name, sa->sa_name) == 0); 202 } 203 204 #if NWSDISPLAY > 0 205 static int cg14_ioctl(void *, void *, u_long, void *, int, struct lwp *); 206 static paddr_t cg14_mmap(void *, void *, off_t, int); 207 static void cg14_init_screen(void *, struct vcons_screen *, int, long *); 208 209 210 struct wsdisplay_accessops cg14_accessops = { 211 cg14_ioctl, 212 cg14_mmap, 213 NULL, /* alloc_screen */ 214 NULL, /* free_screen */ 215 NULL, /* show_screen */ 216 NULL, /* load_font */ 217 NULL, /* pollc */ 218 NULL /* scroll */ 219 }; 220 #endif 221 222 /* 223 * Attach a display. We need to notice if it is the console, too. 224 */ 225 void 226 cgfourteenattach(device_t parent, device_t self, void *aux) 227 { 228 union obio_attach_args *uoba = aux; 229 struct sbus_attach_args *sa = &uoba->uoba_sbus; 230 struct cgfourteen_softc *sc = device_private(self); 231 struct fbdevice *fb = &sc->sc_fb; 232 bus_space_handle_t bh; 233 int node; 234 volatile uint32_t *lut; 235 int i, isconsole, items; 236 uint32_t fbva[2] = {0, 0}; 237 uint32_t *ptr = fbva; 238 #if NSX > 0 239 device_t dv; 240 deviter_t di; 241 #endif 242 243 sc->sc_dev = self; 244 sc->sc_opens = 0; 245 node = sa->sa_node; 246 247 /* Remember cookies for cgfourteenmmap() */ 248 sc->sc_bustag = sa->sa_bustag; 249 250 fb->fb_driver = &cgfourteenfbdriver; 251 fb->fb_device = sc->sc_dev; 252 /* Mask out invalid flags from the user. */ 253 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 254 255 fb->fb_type.fb_type = FBTYPE_MDICOLOR; 256 fb->fb_type.fb_depth = 32; 257 258 fb_setsize_obp(fb, sc->sc_fb.fb_type.fb_depth, 1152, 900, node); 259 260 fb->fb_type.fb_cmsize = CG14_CLUT_SIZE; 261 262 if (sa->sa_nreg < 2) { 263 printf("%s: only %d register sets\n", 264 device_xname(self), sa->sa_nreg); 265 return; 266 } 267 memcpy(sc->sc_physadr, sa->sa_reg, 268 sa->sa_nreg * sizeof(struct sbus_reg)); 269 270 sc->sc_vramsize = sc->sc_physadr[CG14_PXL_IDX].sbr_size; 271 fb->fb_type.fb_size = sc->sc_vramsize; 272 273 printf(": %d MB VRAM", (uint32_t)(sc->sc_vramsize >> 20)); 274 /* 275 * Now map in the 8 useful pages of registers 276 */ 277 if (sa->sa_size < 0x10000) { 278 #ifdef DIAGNOSTIC 279 printf("warning: can't find all cgfourteen registers...\n"); 280 #endif 281 sa->sa_size = 0x10000; 282 } 283 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 284 sa->sa_offset, 285 sa->sa_size, 286 0 /*BUS_SPACE_MAP_LINEAR*/, 287 &bh) != 0) { 288 printf("%s: cannot map control registers\n", 289 device_xname(self)); 290 return; 291 } 292 sc->sc_regh = bh; 293 sc->sc_regaddr = BUS_ADDR(sa->sa_slot, sa->sa_offset); 294 sc->sc_fbaddr = BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 295 sc->sc_physadr[CG14_PXL_IDX].sbr_offset); 296 297 sc->sc_ctl = (struct cg14ctl *) (bh); 298 sc->sc_hwc = (struct cg14curs *) (bh + CG14_OFFSET_CURS); 299 sc->sc_dac = (struct cg14dac *) (bh + CG14_OFFSET_DAC); 300 sc->sc_xlut = (struct cg14xlut *) (bh + CG14_OFFSET_XLUT); 301 sc->sc_clut1 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT1); 302 sc->sc_clut2 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT2); 303 sc->sc_clut3 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT3); 304 sc->sc_clutincr = (u_int *) (bh + CG14_OFFSET_CLUTINCR); 305 306 /* 307 * Let the user know that we're here 308 */ 309 printf(": %dx%d", 310 fb->fb_type.fb_width, fb->fb_type.fb_height); 311 312 /* 313 * Enable the video. 314 */ 315 cg14_set_video(sc, 1); 316 317 /* 318 * Grab the initial colormap 319 */ 320 lut = sc->sc_clut1->clut_lut; 321 for (i = 0; i < CG14_CLUT_SIZE; i++) 322 sc->sc_cmap.cm_chip[i] = lut[i]; 323 324 /* See if we're the console */ 325 isconsole = fb_is_console(node); 326 327 #if NWSDISPLAY > 0 328 prom_getprop(sa->sa_node, "address", 4, &items, &ptr); 329 if (fbva[1] == 0) { 330 if (sbus_bus_map( sc->sc_bustag, 331 sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 332 sc->sc_physadr[CG14_PXL_IDX].sbr_offset, 333 sc->sc_vramsize, BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 334 &bh) != 0) { 335 printf("%s: cannot map pixels\n", 336 device_xname(sc->sc_dev)); 337 return; 338 } 339 sc->sc_fb.fb_pixels = bus_space_vaddr(sc->sc_bustag, bh); 340 } else { 341 sc->sc_fb.fb_pixels = (void *)fbva[1]; 342 } 343 344 if (isconsole) 345 printf(" (console)\n"); 346 else 347 printf("\n"); 348 349 sc->sc_depth = 8; 350 351 #if NSX > 0 352 /* see if we've got an SX to help us */ 353 sc->sc_sx = NULL; 354 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); 355 dv != NULL; 356 dv = deviter_next(&di)) { 357 if (device_is_a(dv, "sx")) { 358 sc->sc_sx = device_private(dv); 359 } 360 } 361 deviter_release(&di); 362 if (sc->sc_sx != NULL) { 363 sc->sc_fb_paddr = bus_space_mmap(sc->sc_bustag, 364 sc->sc_fbaddr, 0, 0, 0) & 0xfffff000; 365 aprint_normal_dev(sc->sc_dev, "using %s\n", 366 device_xname(sc->sc_sx->sc_dev)); 367 aprint_debug_dev(sc->sc_dev, "fb paddr: %08x\n", 368 sc->sc_fb_paddr); 369 sx_write(sc->sc_sx, SX_PAGE_BOUND_LOWER, sc->sc_fb_paddr); 370 sx_write(sc->sc_sx, SX_PAGE_BOUND_UPPER, 371 sc->sc_fb_paddr + 0x03ffffff); 372 } 373 cg14_wait_idle(sc); 374 #endif 375 cg14_setup_wsdisplay(sc, isconsole); 376 #endif 377 378 /* Attach to /dev/fb */ 379 fb_attach(&sc->sc_fb, isconsole); 380 } 381 382 /* 383 * Keep track of the number of opens made. In the 24-bit driver, we need to 384 * switch to 24-bit mode on the first open, and switch back to 8-bit on 385 * the last close. This kind of nonsense is needed to give screenblank 386 * a fighting chance of working. 387 */ 388 389 int 390 cgfourteenopen(dev_t dev, int flags, int mode, struct lwp *l) 391 { 392 struct cgfourteen_softc *sc; 393 int oldopens; 394 395 sc = device_lookup_private(&cgfourteen_cd, minor(dev)); 396 if (sc == NULL) 397 return(ENXIO); 398 oldopens = sc->sc_opens++; 399 400 /* Setup the cg14 as we want it, and save the original PROM state */ 401 if (oldopens == 0) /* first open only, to make screenblank work */ 402 cg14_init(sc); 403 404 return (0); 405 } 406 407 int 408 cgfourteenclose(dev_t dev, int flags, int mode, struct lwp *l) 409 { 410 struct cgfourteen_softc *sc = 411 device_lookup_private(&cgfourteen_cd, minor(dev)); 412 int opens; 413 414 opens = --sc->sc_opens; 415 if (sc->sc_opens < 0) 416 opens = sc->sc_opens = 0; 417 418 /* 419 * Restore video state to make the PROM happy, on last close. 420 */ 421 if (opens == 0) 422 cg14_reset(sc); 423 424 return (0); 425 } 426 427 int 428 cgfourteenioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 429 { 430 struct cgfourteen_softc *sc = 431 device_lookup_private(&cgfourteen_cd, minor(dev)); 432 struct fbgattr *fba; 433 int error; 434 435 switch (cmd) { 436 437 case FBIOGTYPE: 438 *(struct fbtype *)data = sc->sc_fb.fb_type; 439 break; 440 441 case FBIOGATTR: 442 fba = (struct fbgattr *)data; 443 fba->real_type = FBTYPE_MDICOLOR; 444 fba->owner = 0; /* XXX ??? */ 445 fba->fbtype = sc->sc_fb.fb_type; 446 fba->sattr.flags = 0; 447 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 448 fba->sattr.dev_specific[0] = -1; 449 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 450 fba->emu_types[1] = -1; 451 break; 452 453 case FBIOGETCMAP: 454 return(cg14_get_cmap((struct fbcmap *)data, &sc->sc_cmap, 455 CG14_CLUT_SIZE)); 456 457 case FBIOPUTCMAP: 458 /* copy to software map */ 459 #define p ((struct fbcmap *)data) 460 error = cg14_put_cmap(p, &sc->sc_cmap, CG14_CLUT_SIZE); 461 if (error) 462 return (error); 463 /* now blast them into the chip */ 464 /* XXX should use retrace interrupt */ 465 cg14_load_hwcmap(sc, p->index, p->count); 466 #undef p 467 break; 468 469 case FBIOGVIDEO: 470 *(int *)data = cg14_get_video(sc); 471 break; 472 473 case FBIOSVIDEO: 474 cg14_set_video(sc, *(int *)data); 475 break; 476 477 case CG14_SET_PIXELMODE: { 478 int depth = *(int *)data; 479 480 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) 481 return EINVAL; 482 483 cg14_set_depth(sc, depth); 484 } 485 break; 486 default: 487 return (ENOTTY); 488 } 489 return (0); 490 } 491 492 /* 493 * Undo the effect of an FBIOSVIDEO that turns the video off. 494 */ 495 static void 496 cgfourteenunblank(device_t dev) 497 { 498 struct cgfourteen_softc *sc = device_private(dev); 499 500 cg14_set_video(sc, 1); 501 #if NWSDISPLAY > 0 502 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) { 503 cg14_set_depth(sc, 8); 504 cg14_init_cmap(sc); 505 vcons_redraw_screen(sc->sc_vd.active); 506 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 507 } 508 #endif 509 } 510 511 /* 512 * Return the address that would map the given device at the given 513 * offset, allowing for the given protection, or return -1 for error. 514 */ 515 paddr_t 516 cgfourteenmmap(dev_t dev, off_t off, int prot) 517 { 518 struct cgfourteen_softc *sc = 519 device_lookup_private(&cgfourteen_cd, minor(dev)); 520 off_t offset = -1; 521 522 if (off & PGOFSET) 523 panic("cgfourteenmmap"); 524 525 if (off < 0) 526 return (-1); 527 528 if (off >= 0 && off < 0x10000) { 529 offset = sc->sc_regaddr; 530 } else if (off >= CG14_CURSOR_VOFF && 531 off < (CG14_CURSOR_VOFF + 0x1000)) { 532 offset = sc->sc_regaddr + CG14_OFFSET_CURS; 533 off -= CG14_CURSOR_VOFF; 534 } else if (off >= CG14_DIRECT_VOFF && 535 off < (CG14_DIRECT_VOFF + sc->sc_vramsize)) { 536 offset = sc->sc_fbaddr + CG14_FB_VRAM; 537 off -= CG14_DIRECT_VOFF; 538 } else if (off >= CG14_BGR_VOFF && 539 off < (CG14_BGR_VOFF + sc->sc_vramsize)) { 540 offset = sc->sc_fbaddr + CG14_FB_CBGR; 541 off -= CG14_BGR_VOFF; 542 } else if (off >= CG14_X32_VOFF && 543 off < (CG14_X32_VOFF + (sc->sc_vramsize >> 2))) { 544 offset = sc->sc_fbaddr + CG14_FB_PX32; 545 off -= CG14_X32_VOFF; 546 } else if (off >= CG14_B32_VOFF && 547 off < (CG14_B32_VOFF + (sc->sc_vramsize >> 2))) { 548 offset = sc->sc_fbaddr + CG14_FB_PB32; 549 off -= CG14_B32_VOFF; 550 } else if (off >= CG14_G32_VOFF && 551 off < (CG14_G32_VOFF + (sc->sc_vramsize >> 2))) { 552 offset = sc->sc_fbaddr + CG14_FB_PG32; 553 off -= CG14_G32_VOFF; 554 } else if (off >= CG14_R32_VOFF && 555 off < CG14_R32_VOFF + (sc->sc_vramsize >> 2)) { 556 offset = sc->sc_fbaddr + CG14_FB_PR32; 557 off -= CG14_R32_VOFF; 558 #if NSX > 0 559 /* 560 * for convenience we also map the SX ranges here: 561 * - one page userland registers 562 * - CG14-sized IO space at 0x800000000 ( not a typo, it's above 4GB ) 563 */ 564 } else if (sc->sc_sx == NULL) { 565 return -1; 566 } else if (off >= CG14_SXREG_VOFF && 567 off < (CG14_SXREG_VOFF + 0x400)) { 568 return (bus_space_mmap(sc->sc_sx->sc_tag, sc->sc_sx->sc_uregs, 569 0, prot, BUS_SPACE_MAP_LINEAR)); 570 } else if (off >= CG14_SXIO_VOFF && 571 off < (CG14_SXIO_VOFF + 0x03ffffff)) { 572 return (bus_space_mmap(sc->sc_sx->sc_tag, 0x800000000LL, 573 sc->sc_fb_paddr + (off - CG14_SXIO_VOFF), 574 prot, BUS_SPACE_MAP_LINEAR)); 575 #endif 576 } else 577 return -1; 578 579 return (bus_space_mmap(sc->sc_bustag, offset, off, prot, 580 BUS_SPACE_MAP_LINEAR)); 581 } 582 583 int 584 cgfourteenpoll(dev_t dev, int events, struct lwp *l) 585 { 586 587 return (seltrue(dev, events, l)); 588 } 589 590 /* 591 * Miscellaneous helper functions 592 */ 593 594 /* Initialize the framebuffer, storing away useful state for later reset */ 595 static void 596 cg14_init(struct cgfourteen_softc *sc) 597 { 598 #if 0 599 volatile uint32_t *clut; 600 volatile uint8_t *xlut; 601 int i; 602 603 /* 604 * We stash away the following to restore on close: 605 * 606 * color look-up table 1 (sc->sc_saveclut) 607 * x look-up table (sc->sc_savexlut) 608 * control register (sc->sc_savectl) 609 * cursor control register (sc->sc_savehwc) 610 */ 611 sc->sc_savectl = sc->sc_ctl->ctl_mctl; 612 sc->sc_savehwc = sc->sc_hwc->curs_ctl; 613 614 clut = (volatile uint32_t *) sc->sc_clut1->clut_lut; 615 xlut = (volatile uint8_t *) sc->sc_xlut->xlut_lut; 616 for (i = 0; i < CG14_CLUT_SIZE; i++) { 617 sc->sc_saveclut.cm_chip[i] = clut[i]; 618 sc->sc_savexlut[i] = xlut[i]; 619 } 620 621 /* 622 * Enable the video and put it in 8 bit mode 623 */ 624 sc->sc_ctl->ctl_mctl = CG14_MCTL_ENABLEVID | CG14_MCTL_PIXMODE_8 | 625 CG14_MCTL_POWERCTL; 626 #else 627 cg14_set_depth(sc, 32); 628 #endif 629 } 630 631 static void 632 /* Restore the state saved on cg14_init */ 633 cg14_reset(struct cgfourteen_softc *sc) 634 { 635 #if 0 636 volatile uint32_t *clut; 637 volatile uint8_t *xlut; 638 int i; 639 640 /* 641 * We restore the following, saved in cg14_init: 642 * 643 * color look-up table 1 (sc->sc_saveclut) 644 * x look-up table (sc->sc_savexlut) 645 * control register (sc->sc_savectl) 646 * cursor control register (sc->sc_savehwc) 647 * 648 * Note that we don't touch the video enable bits in the 649 * control register; otherwise, screenblank wouldn't work. 650 */ 651 sc->sc_ctl->ctl_mctl = (sc->sc_ctl->ctl_mctl & (CG14_MCTL_ENABLEVID | 652 CG14_MCTL_POWERCTL)) | 653 (sc->sc_savectl & ~(CG14_MCTL_ENABLEVID | 654 CG14_MCTL_POWERCTL)); 655 sc->sc_hwc->curs_ctl = sc->sc_savehwc; 656 657 clut = sc->sc_clut1->clut_lut; 658 xlut = sc->sc_xlut->xlut_lut; 659 for (i = 0; i < CG14_CLUT_SIZE; i++) { 660 clut[i] = sc->sc_saveclut.cm_chip[i]; 661 xlut[i] = sc->sc_savexlut[i]; 662 } 663 #else 664 cg14_set_depth(sc, 8); 665 #endif 666 } 667 668 /* Enable/disable video display; power down monitor if DPMS-capable */ 669 static void 670 cg14_set_video(struct cgfourteen_softc *sc, int enable) 671 { 672 /* 673 * We can only use DPMS to power down the display if the chip revision 674 * is greater than 0. 675 */ 676 if (enable) { 677 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 678 sc->sc_ctl->ctl_mctl |= (CG14_MCTL_ENABLEVID | 679 CG14_MCTL_POWERCTL); 680 else 681 sc->sc_ctl->ctl_mctl |= CG14_MCTL_ENABLEVID; 682 } else { 683 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 684 sc->sc_ctl->ctl_mctl &= ~(CG14_MCTL_ENABLEVID | 685 CG14_MCTL_POWERCTL); 686 else 687 sc->sc_ctl->ctl_mctl &= ~CG14_MCTL_ENABLEVID; 688 } 689 } 690 691 /* Get status of video display */ 692 static int 693 cg14_get_video(struct cgfourteen_softc *sc) 694 { 695 return ((sc->sc_ctl->ctl_mctl & CG14_MCTL_ENABLEVID) != 0); 696 } 697 698 /* Read the software shadow colormap */ 699 static int 700 cg14_get_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 701 { 702 u_int i, start, count; 703 u_char *cp; 704 int error; 705 706 start = p->index; 707 count = p->count; 708 if (start >= cmsize || count > cmsize - start) 709 return (EINVAL); 710 711 for (cp = &cm->cm_map[start][0], i = 0; i < count; cp += 4, i++) { 712 error = copyout(&cp[3], &p->red[i], 1); 713 if (error) 714 return error; 715 error = copyout(&cp[2], &p->green[i], 1); 716 if (error) 717 return error; 718 error = copyout(&cp[1], &p->blue[i], 1); 719 if (error) 720 return error; 721 } 722 return (0); 723 } 724 725 /* Write the software shadow colormap */ 726 static int 727 cg14_put_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 728 { 729 u_int i, start, count; 730 u_char *cp; 731 u_char cmap[256][4]; 732 int error; 733 734 start = p->index; 735 count = p->count; 736 if (start >= cmsize || count > cmsize - start) 737 return (EINVAL); 738 739 memcpy(&cmap, &cm->cm_map, sizeof cmap); 740 for (cp = &cmap[start][0], i = 0; i < count; cp += 4, i++) { 741 error = copyin(&p->red[i], &cp[3], 1); 742 if (error) 743 return error; 744 error = copyin(&p->green[i], &cp[2], 1); 745 if (error) 746 return error; 747 error = copyin(&p->blue[i], &cp[1], 1); 748 if (error) 749 return error; 750 cp[0] = 0; /* no alpha channel */ 751 } 752 memcpy(&cm->cm_map, &cmap, sizeof cmap); 753 return (0); 754 } 755 756 static void 757 cg14_load_hwcmap(struct cgfourteen_softc *sc, int start, int ncolors) 758 { 759 /* XXX switch to auto-increment, and on retrace intr */ 760 761 /* Setup pointers to source and dest */ 762 uint32_t *colp = &sc->sc_cmap.cm_chip[start]; 763 volatile uint32_t *lutp = &sc->sc_clut1->clut_lut[start]; 764 765 /* Copy by words */ 766 while (--ncolors >= 0) 767 *lutp++ = *colp++; 768 } 769 770 #if NWSDISPLAY > 0 771 static void 772 cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons) 773 { 774 struct wsemuldisplaydev_attach_args aa; 775 struct rasops_info *ri; 776 long defattr; 777 778 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 779 "default", 780 0, 0, 781 NULL, 782 8, 16, 783 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 784 NULL 785 }; 786 cg14_set_depth(sc, 8); 787 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 788 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 789 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 790 vcons_init(&sc->sc_vd, sc, &sc->sc_defaultscreen_descr, 791 &cg14_accessops); 792 sc->sc_vd.init_screen = cg14_init_screen; 793 794 ri = &sc->sc_console_screen.scr_ri; 795 796 if (is_cons) { 797 vcons_init_screen(&sc->sc_vd, &sc->sc_console_screen, 1, 798 &defattr); 799 800 /* clear the screen with the default background colour */ 801 memset(sc->sc_fb.fb_pixels, 802 (defattr >> 16) & 0xff, 803 ri->ri_stride * ri->ri_height); 804 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 805 806 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 807 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 808 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 809 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 810 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 811 defattr); 812 vcons_replay_msgbuf(&sc->sc_console_screen); 813 } else { 814 /* 815 * since we're not the console we can postpone the rest 816 * until someone actually allocates a screen for us 817 */ 818 } 819 820 cg14_init_cmap(sc); 821 822 aa.console = is_cons; 823 aa.scrdata = &sc->sc_screenlist; 824 aa.accessops = &cg14_accessops; 825 aa.accesscookie = &sc->sc_vd; 826 827 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 828 } 829 830 static void 831 cg14_init_cmap(struct cgfourteen_softc *sc) 832 { 833 int i, j = 0; 834 835 for (i = 0; i < 256; i++) { 836 837 sc->sc_cmap.cm_map[i][3] = rasops_cmap[j]; 838 sc->sc_cmap.cm_map[i][2] = rasops_cmap[j + 1]; 839 sc->sc_cmap.cm_map[i][1] = rasops_cmap[j + 2]; 840 j += 3; 841 } 842 cg14_load_hwcmap(sc, 0, 256); 843 } 844 845 static int 846 cg14_putcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 847 { 848 u_int index = cm->index; 849 u_int count = cm->count; 850 int i, error; 851 u_char rbuf[256], gbuf[256], bbuf[256]; 852 853 if (cm->index >= 256 || cm->count > 256 || 854 (cm->index + cm->count) > 256) 855 return EINVAL; 856 error = copyin(cm->red, &rbuf[index], count); 857 if (error) 858 return error; 859 error = copyin(cm->green, &gbuf[index], count); 860 if (error) 861 return error; 862 error = copyin(cm->blue, &bbuf[index], count); 863 if (error) 864 return error; 865 866 for (i = 0; i < count; i++) { 867 sc->sc_cmap.cm_map[index][3] = rbuf[index]; 868 sc->sc_cmap.cm_map[index][2] = gbuf[index]; 869 sc->sc_cmap.cm_map[index][1] = bbuf[index]; 870 871 index++; 872 } 873 cg14_load_hwcmap(sc, 0, 256); 874 return 0; 875 } 876 877 static int 878 cg14_getcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 879 { 880 uint8_t rbuf[256], gbuf[256], bbuf[256]; 881 u_int index = cm->index; 882 u_int count = cm->count; 883 int error, i; 884 885 if (index >= 255 || count > 256 || index + count > 256) 886 return EINVAL; 887 888 889 for (i = 0; i < count; i++) { 890 rbuf[i] = sc->sc_cmap.cm_map[index][3]; 891 gbuf[i] = sc->sc_cmap.cm_map[index][2]; 892 bbuf[i] = sc->sc_cmap.cm_map[index][1]; 893 894 index++; 895 } 896 error = copyout(rbuf, cm->red, count); 897 if (error) 898 return error; 899 error = copyout(gbuf, cm->green, count); 900 if (error) 901 return error; 902 error = copyout(bbuf, cm->blue, count); 903 if (error) 904 return error; 905 906 return 0; 907 } 908 909 static int 910 cg14_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 911 struct lwp *l) 912 { 913 struct vcons_data *vd = v; 914 struct cgfourteen_softc *sc = vd->cookie; 915 struct wsdisplay_fbinfo *wdf; 916 struct vcons_screen *ms = vd->active; 917 918 switch (cmd) { 919 920 case WSDISPLAYIO_GTYPE: 921 *(uint32_t *)data = WSDISPLAY_TYPE_SUNCG14; 922 return 0; 923 924 case WSDISPLAYIO_GINFO: 925 wdf = (void *)data; 926 wdf->height = ms->scr_ri.ri_height; 927 wdf->width = ms->scr_ri.ri_width; 928 wdf->depth = 32; 929 wdf->cmsize = 256; 930 return 0; 931 932 case WSDISPLAYIO_GETCMAP: 933 return cg14_getcmap(sc, 934 (struct wsdisplay_cmap *)data); 935 936 case WSDISPLAYIO_PUTCMAP: 937 return cg14_putcmap(sc, 938 (struct wsdisplay_cmap *)data); 939 940 case WSDISPLAYIO_LINEBYTES: 941 *(u_int *)data = ms->scr_ri.ri_stride << 2; 942 return 0; 943 944 case WSDISPLAYIO_SMODE: 945 { 946 int new_mode = *(int*)data; 947 if (new_mode != sc->sc_mode) { 948 sc->sc_mode = new_mode; 949 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 950 bus_space_write_1(sc->sc_bustag, 951 sc->sc_regh, 952 CG14_CURSOR_CONTROL, 0); 953 954 cg14_set_depth(sc, 8); 955 cg14_init_cmap(sc); 956 vcons_redraw_screen(ms); 957 } else { 958 959 cg14_set_depth(sc, 32); 960 } 961 } 962 } 963 return 0; 964 case WSDISPLAYIO_SVIDEO: 965 cg14_set_video(sc, *(int *)data); 966 return 0; 967 case WSDISPLAYIO_GVIDEO: 968 return cg14_get_video(sc) ? 969 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 970 case WSDISPLAYIO_GCURPOS: 971 { 972 struct wsdisplay_curpos *cp = (void *)data; 973 974 cp->x = sc->sc_cursor.cc_pos.x; 975 cp->y = sc->sc_cursor.cc_pos.y; 976 } 977 return 0; 978 case WSDISPLAYIO_SCURPOS: 979 { 980 struct wsdisplay_curpos *cp = (void *)data; 981 982 cg14_move_cursor(sc, cp->x, cp->y); 983 } 984 return 0; 985 case WSDISPLAYIO_GCURMAX: 986 { 987 struct wsdisplay_curpos *cp = (void *)data; 988 989 cp->x = 32; 990 cp->y = 32; 991 } 992 return 0; 993 case WSDISPLAYIO_SCURSOR: 994 { 995 struct wsdisplay_cursor *cursor = (void *)data; 996 997 return cg14_do_cursor(sc, cursor); 998 } 999 case PCI_IOC_CFGREAD: 1000 case PCI_IOC_CFGWRITE: 1001 return EINVAL; 1002 1003 } 1004 return EPASSTHROUGH; 1005 } 1006 1007 static paddr_t 1008 cg14_mmap(void *v, void *vs, off_t offset, int prot) 1009 { 1010 struct vcons_data *vd = v; 1011 struct cgfourteen_softc *sc = vd->cookie; 1012 1013 /* allow mmap()ing the full framebuffer, not just what we use */ 1014 if (offset < sc->sc_vramsize) 1015 return bus_space_mmap(sc->sc_bustag, 1016 BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 1017 sc->sc_physadr[CG14_PXL_IDX].sbr_offset), 1018 offset + CG14_FB_CBGR, prot, BUS_SPACE_MAP_LINEAR); 1019 1020 return -1; 1021 } 1022 1023 static void 1024 cg14_init_screen(void *cookie, struct vcons_screen *scr, 1025 int existing, long *defattr) 1026 { 1027 struct cgfourteen_softc *sc = cookie; 1028 struct rasops_info *ri = &scr->scr_ri; 1029 1030 ri->ri_depth = 8; 1031 ri->ri_width = sc->sc_fb.fb_type.fb_width; 1032 ri->ri_height = sc->sc_fb.fb_type.fb_height; 1033 ri->ri_stride = ri->ri_width; 1034 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 1035 1036 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 1037 #if NSX > 0 1038 /* 1039 * unaligned copies with horizontal overlap are slow, so don't bother 1040 * handling them in cg14_bitblt() and use putchar() instead 1041 */ 1042 if (sc->sc_sx != NULL) { 1043 scr->scr_flags |= VCONS_NO_COPYCOLS; 1044 } else 1045 #endif 1046 scr->scr_flags |= VCONS_DONT_READ; 1047 1048 if (existing) { 1049 ri->ri_flg |= RI_CLEAR; 1050 } 1051 1052 rasops_init(ri, 0, 0); 1053 ri->ri_caps = WSSCREEN_WSCOLORS; 1054 1055 rasops_reconfig(ri, 1056 sc->sc_fb.fb_type.fb_height / ri->ri_font->fontheight, 1057 sc->sc_fb.fb_type.fb_width / ri->ri_font->fontwidth); 1058 1059 ri->ri_hw = scr; 1060 #if NSX > 0 1061 if (sc->sc_sx != NULL) { 1062 ri->ri_ops.copyrows = cg14_copyrows; 1063 ri->ri_ops.copycols = cg14_copycols; 1064 ri->ri_ops.eraserows = cg14_eraserows; 1065 ri->ri_ops.erasecols = cg14_erasecols; 1066 ri->ri_ops.cursor = cg14_cursor; 1067 #if 0 1068 if (FONT_IS_ALPHA(ri->ri_font)) { 1069 ri->ri_ops.putchar = cg14_putchar_aa; 1070 } else 1071 #endif 1072 ri->ri_ops.putchar = cg14_putchar; 1073 } 1074 #endif /* NSX > 0 */ 1075 } 1076 1077 static void 1078 cg14_set_depth(struct cgfourteen_softc *sc, int depth) 1079 { 1080 int i; 1081 1082 if (sc->sc_depth == depth) 1083 return; 1084 1085 switch (depth) { 1086 case 8: 1087 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1088 CG14_MCTL, CG14_MCTL_ENABLEVID | 1089 CG14_MCTL_PIXMODE_8 | CG14_MCTL_POWERCTL); 1090 sc->sc_depth = 8; 1091 /* everything is CLUT1 */ 1092 for (i = 0; i < CG14_CLUT_SIZE; i++) 1093 sc->sc_xlut->xlut_lut[i] = 0; 1094 break; 1095 case 32: 1096 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1097 CG14_MCTL, CG14_MCTL_ENABLEVID | 1098 CG14_MCTL_PIXMODE_32 | CG14_MCTL_POWERCTL); 1099 sc->sc_depth = 32; 1100 for (i = 0; i < CG14_CLUT_SIZE; i++) 1101 sc->sc_xlut->xlut_lut[i] = 0; 1102 break; 1103 default: 1104 printf("%s: can't change to depth %d\n", 1105 device_xname(sc->sc_dev), depth); 1106 } 1107 } 1108 1109 static void 1110 cg14_move_cursor(struct cgfourteen_softc *sc, int x, int y) 1111 { 1112 uint32_t pos; 1113 1114 sc->sc_cursor.cc_pos.x = x; 1115 sc->sc_cursor.cc_pos.y = y; 1116 pos = ((sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x ) << 16) | 1117 ((sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y ) & 0xffff); 1118 bus_space_write_4(sc->sc_bustag, sc->sc_regh, CG14_CURSOR_X, pos); 1119 } 1120 1121 static int 1122 cg14_do_cursor(struct cgfourteen_softc *sc, struct wsdisplay_cursor *cur) 1123 { 1124 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1125 1126 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1127 CG14_CURSOR_CONTROL, cur->enable ? CG14_CRSR_ENABLE : 0); 1128 } 1129 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1130 1131 sc->sc_cursor.cc_hot.x = cur->hot.x; 1132 sc->sc_cursor.cc_hot.y = cur->hot.y; 1133 cur->which |= WSDISPLAY_CURSOR_DOPOS; 1134 } 1135 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1136 1137 cg14_move_cursor(sc, cur->pos.x, cur->pos.y); 1138 } 1139 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1140 int i; 1141 uint32_t val; 1142 1143 for (i = 0; i < min(cur->cmap.count, 3); i++) { 1144 val = (cur->cmap.red[i] ) | 1145 (cur->cmap.green[i] << 8) | 1146 (cur->cmap.blue[i] << 16); 1147 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1148 CG14_CURSOR_COLOR1 + ((i + cur->cmap.index) << 2), 1149 val); 1150 } 1151 } 1152 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1153 uint32_t buffer[32], latch, tmp; 1154 int i; 1155 1156 copyin(cur->mask, buffer, 128); 1157 for (i = 0; i < 32; i++) { 1158 latch = 0; 1159 tmp = buffer[i] & 0x80808080; 1160 latch |= tmp >> 7; 1161 tmp = buffer[i] & 0x40404040; 1162 latch |= tmp >> 5; 1163 tmp = buffer[i] & 0x20202020; 1164 latch |= tmp >> 3; 1165 tmp = buffer[i] & 0x10101010; 1166 latch |= tmp >> 1; 1167 tmp = buffer[i] & 0x08080808; 1168 latch |= tmp << 1; 1169 tmp = buffer[i] & 0x04040404; 1170 latch |= tmp << 3; 1171 tmp = buffer[i] & 0x02020202; 1172 latch |= tmp << 5; 1173 tmp = buffer[i] & 0x01010101; 1174 latch |= tmp << 7; 1175 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1176 CG14_CURSOR_PLANE0 + (i << 2), latch); 1177 } 1178 copyin(cur->image, buffer, 128); 1179 for (i = 0; i < 32; i++) { 1180 latch = 0; 1181 tmp = buffer[i] & 0x80808080; 1182 latch |= tmp >> 7; 1183 tmp = buffer[i] & 0x40404040; 1184 latch |= tmp >> 5; 1185 tmp = buffer[i] & 0x20202020; 1186 latch |= tmp >> 3; 1187 tmp = buffer[i] & 0x10101010; 1188 latch |= tmp >> 1; 1189 tmp = buffer[i] & 0x08080808; 1190 latch |= tmp << 1; 1191 tmp = buffer[i] & 0x04040404; 1192 latch |= tmp << 3; 1193 tmp = buffer[i] & 0x02020202; 1194 latch |= tmp << 5; 1195 tmp = buffer[i] & 0x01010101; 1196 latch |= tmp << 7; 1197 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1198 CG14_CURSOR_PLANE1 + (i << 2), latch); 1199 } 1200 } 1201 return 0; 1202 } 1203 1204 #if NSX > 0 1205 1206 static void 1207 cg14_wait_idle(struct cgfourteen_softc *sc) 1208 { 1209 } 1210 1211 static void 1212 cg14_rectfill(struct cgfourteen_softc *sc, int x, int y, int wi, int he, 1213 uint32_t colour) 1214 { 1215 uint32_t addr, pptr; 1216 int line, cnt, pre, words; 1217 int stride = sc->sc_fb.fb_type.fb_width; 1218 1219 addr = sc->sc_fb_paddr + x + stride * y; 1220 sx_write(sc->sc_sx, SX_QUEUED(8), colour); 1221 sx_write(sc->sc_sx, SX_QUEUED(9), colour); 1222 /* 1223 * Calculate the number of pixels we need to do one by one 1224 * until we're 32bit aligned, then do the rest in 32bit 1225 * mode. Assumes that stride is always a multiple of 4. 1226 */ 1227 /* TODO: use 32bit writes with byte mask instead */ 1228 pre = addr & 3; 1229 if (pre != 0) pre = 4 - pre; 1230 for (line = 0; line < he; line++) { 1231 pptr = addr; 1232 cnt = wi; 1233 if (pre) { 1234 sta(pptr & ~7, ASI_SX, SX_STBS(8, pre - 1, pptr & 7)); 1235 pptr += pre; 1236 cnt -= pre; 1237 } 1238 /* now do the aligned pixels in 32bit chunks */ 1239 while(cnt > 31) { 1240 words = min(32, cnt >> 2); 1241 sta(pptr & ~7, ASI_SX, SX_STS(8, words - 1, pptr & 7)); 1242 pptr += words << 2; 1243 cnt -= words << 2; 1244 } 1245 /* do any remaining pixels byte-wise again */ 1246 if (cnt > 0) 1247 sta(pptr & ~7, ASI_SX, SX_STBS(8, cnt - 1, pptr & 7)); 1248 addr += stride; 1249 } 1250 } 1251 1252 static void 1253 cg14_invert(struct cgfourteen_softc *sc, int x, int y, int wi, int he) 1254 { 1255 uint32_t addr, pptr; 1256 int line, cnt, pre, words; 1257 int stride = sc->sc_fb.fb_type.fb_width; 1258 1259 addr = sc->sc_fb_paddr + x + stride * y; 1260 sx_write(sc->sc_sx, SX_ROP_CONTROL, 0x33); /* ~src a */ 1261 /* 1262 * Calculate the number of pixels we need to do one by one 1263 * until we're 32bit aligned, then do the rest in 32bit 1264 * mode. Assumes that stride is always a multiple of 4. 1265 */ 1266 /* TODO: use 32bit writes with byte mask instead */ 1267 pre = addr & 3; 1268 if (pre != 0) pre = 4 - pre; 1269 for (line = 0; line < he; line++) { 1270 pptr = addr; 1271 cnt = wi; 1272 if (pre) { 1273 sta(pptr & ~7, ASI_SX, SX_LDB(8, pre - 1, pptr & 7)); 1274 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1275 SX_ROP(8, 8, 32, pre - 1)); 1276 sta(pptr & ~7, ASI_SX, SX_STB(32, pre - 1, pptr & 7)); 1277 pptr += pre; 1278 cnt -= pre; 1279 } 1280 /* now do the aligned pixels in 32bit chunks */ 1281 while(cnt > 15) { 1282 words = min(16, cnt >> 2); 1283 sta(pptr & ~7, ASI_SX, SX_LD(8, words - 1, pptr & 7)); 1284 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1285 SX_ROP(8, 8, 32, words - 1)); 1286 sta(pptr & ~7, ASI_SX, SX_ST(32, words - 1, pptr & 7)); 1287 pptr += words << 2; 1288 cnt -= words << 2; 1289 } 1290 /* do any remaining pixels byte-wise again */ 1291 if (cnt > 0) 1292 sta(pptr & ~7, ASI_SX, SX_LDB(8, cnt - 1, pptr & 7)); 1293 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1294 SX_ROP(8, 8, 32, cnt - 1)); 1295 sta(pptr & ~7, ASI_SX, SX_STB(32, cnt - 1, pptr & 7)); 1296 addr += stride; 1297 } 1298 } 1299 1300 static inline void 1301 cg14_slurp(int reg, uint32_t addr, int cnt) 1302 { 1303 int num; 1304 while (cnt > 0) { 1305 num = min(32, cnt); 1306 sta(addr & ~7, ASI_SX, SX_LD(reg, num - 1, addr & 7)); 1307 cnt -= num; 1308 reg += num; 1309 addr += (num << 2); 1310 } 1311 } 1312 1313 static inline void 1314 cg14_spit(int reg, uint32_t addr, int cnt) 1315 { 1316 int num; 1317 while (cnt > 0) { 1318 num = min(32, cnt); 1319 sta(addr & ~7, ASI_SX, SX_ST(reg, num - 1, addr & 7)); 1320 cnt -= num; 1321 reg += num; 1322 addr += (num << 2); 1323 } 1324 } 1325 1326 static void 1327 cg14_bitblt(void *cookie, int xs, int ys, int xd, int yd, 1328 int wi, int he, int rop) 1329 { 1330 struct cgfourteen_softc *sc = cookie; 1331 uint32_t saddr, daddr, sptr, dptr; 1332 int line, cnt, stride = sc->sc_fb.fb_type.fb_width; 1333 int num, words, skip; 1334 1335 if (ys < yd) { 1336 /* need to go bottom-up */ 1337 saddr = sc->sc_fb_paddr + xs + stride * (ys + he - 1); 1338 daddr = sc->sc_fb_paddr + xd + stride * (yd + he - 1); 1339 skip = -stride; 1340 } else { 1341 saddr = sc->sc_fb_paddr + xs + stride * ys; 1342 daddr = sc->sc_fb_paddr + xd + stride * yd; 1343 skip = stride; 1344 } 1345 1346 if ((saddr & 3) == (daddr & 3)) { 1347 int pre = saddr & 3; /* pixels to copy byte-wise */ 1348 if (pre != 0) pre = 4 - pre; 1349 for (line = 0; line < he; line++) { 1350 sptr = saddr; 1351 dptr = daddr; 1352 cnt = wi; 1353 if (pre > 0) { 1354 sta(sptr & ~7, ASI_SX, 1355 SX_LDB(32, pre - 1, sptr & 7)); 1356 sta(dptr & ~7, ASI_SX, 1357 SX_STB(32, pre - 1, dptr & 7)); 1358 cnt -= pre; 1359 sptr += pre; 1360 dptr += pre; 1361 } 1362 words = cnt >> 2; 1363 while(cnt > 3) { 1364 num = min(120, words); 1365 cg14_slurp(8, sptr, num); 1366 cg14_spit(8, dptr, num); 1367 sptr += num << 2; 1368 dptr += num << 2; 1369 cnt -= num << 2; 1370 } 1371 if (cnt > 0) { 1372 sta(sptr & ~7, ASI_SX, 1373 SX_LDB(32, cnt - 1, sptr & 7)); 1374 sta(dptr & ~7, ASI_SX, 1375 SX_STB(32, cnt - 1, dptr & 7)); 1376 } 1377 saddr += skip; 1378 daddr += skip; 1379 } 1380 } else { 1381 /* unaligned, have to use byte mode */ 1382 /* funnel shifter & byte mask trickery? */ 1383 for (line = 0; line < he; line++) { 1384 sptr = saddr; 1385 dptr = daddr; 1386 cnt = wi; 1387 while(cnt > 31) { 1388 sta(sptr & ~7, ASI_SX, SX_LDB(32, 31, sptr & 7)); 1389 sta(dptr & ~7, ASI_SX, SX_STB(32, 31, dptr & 7)); 1390 sptr += 32; 1391 dptr += 32; 1392 cnt -= 32; 1393 } 1394 if (cnt > 0) { 1395 sta(sptr & ~7, ASI_SX, 1396 SX_LDB(32, cnt - 1, sptr & 7)); 1397 sta(dptr & ~7, ASI_SX, 1398 SX_STB(32, cnt - 1, dptr & 7)); 1399 } 1400 saddr += skip; 1401 daddr += skip; 1402 } 1403 } 1404 } 1405 1406 1407 static void 1408 cg14_putchar(void *cookie, int row, int col, u_int c, long attr) 1409 { 1410 struct rasops_info *ri = cookie; 1411 struct wsdisplay_font *font = PICK_FONT(ri, c); 1412 struct vcons_screen *scr = ri->ri_hw; 1413 struct cgfourteen_softc *sc = scr->scr_cookie; 1414 void *data; 1415 uint32_t fg, bg; 1416 int i, x, y, wi, he; 1417 uint32_t addr; 1418 int stride = sc->sc_fb.fb_type.fb_width; 1419 1420 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1421 return; 1422 1423 if (!CHAR_IN_FONT(c, font)) 1424 return; 1425 1426 wi = font->fontwidth; 1427 he = font->fontheight; 1428 1429 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1430 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1431 sx_write(sc->sc_sx, SX_QUEUED(8), bg); 1432 sx_write(sc->sc_sx, SX_QUEUED(9), fg); 1433 1434 x = ri->ri_xorigin + col * wi; 1435 y = ri->ri_yorigin + row * he; 1436 1437 if (c == 0x20) { 1438 cg14_rectfill(sc, x, y, wi, he, bg); 1439 return; 1440 } 1441 1442 data = WSFONT_GLYPH(c, font); 1443 addr = sc->sc_fb_paddr + x + stride * y; 1444 1445 switch (font->stride) { 1446 case 1: { 1447 uint8_t *data8 = data; 1448 uint32_t reg; 1449 for (i = 0; i < he; i++) { 1450 reg = *data8; 1451 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1452 reg << 24); 1453 sta(addr & ~7, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1454 data8++; 1455 addr += stride; 1456 } 1457 break; 1458 } 1459 case 2: { 1460 uint16_t *data16 = data; 1461 uint32_t reg; 1462 for (i = 0; i < he; i++) { 1463 reg = *data16; 1464 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1465 reg << 16); 1466 sta(addr & ~7, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1467 data16++; 1468 addr += stride; 1469 } 1470 break; 1471 } 1472 } 1473 } 1474 1475 static void 1476 cg14_cursor(void *cookie, int on, int row, int col) 1477 { 1478 struct rasops_info *ri = cookie; 1479 struct vcons_screen *scr = ri->ri_hw; 1480 struct cgfourteen_softc *sc = scr->scr_cookie; 1481 int x, y, wi, he; 1482 1483 wi = ri->ri_font->fontwidth; 1484 he = ri->ri_font->fontheight; 1485 1486 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1487 x = ri->ri_ccol * wi + ri->ri_xorigin; 1488 y = ri->ri_crow * he + ri->ri_yorigin; 1489 if (ri->ri_flg & RI_CURSOR) { 1490 cg14_invert(sc, x, y, wi, he); 1491 ri->ri_flg &= ~RI_CURSOR; 1492 } 1493 ri->ri_crow = row; 1494 ri->ri_ccol = col; 1495 if (on) { 1496 x = ri->ri_ccol * wi + ri->ri_xorigin; 1497 y = ri->ri_crow * he + ri->ri_yorigin; 1498 cg14_invert(sc, x, y, wi, he); 1499 ri->ri_flg |= RI_CURSOR; 1500 } 1501 } else { 1502 scr->scr_ri.ri_crow = row; 1503 scr->scr_ri.ri_ccol = col; 1504 scr->scr_ri.ri_flg &= ~RI_CURSOR; 1505 } 1506 1507 } 1508 1509 #if 0 1510 static void 1511 r128fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1512 { 1513 struct rasops_info *ri = cookie; 1514 struct wsdisplay_font *font = PICK_FONT(ri, c); 1515 struct vcons_screen *scr = ri->ri_hw; 1516 struct r128fb_softc *sc = scr->scr_cookie; 1517 uint32_t bg, latch = 0, bg8, fg8, pixel; 1518 int i, x, y, wi, he, r, g, b, aval; 1519 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1520 uint8_t *data8; 1521 int rv, cnt = 0; 1522 1523 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1524 return; 1525 1526 if (!CHAR_IN_FONT(c, font)) 1527 return; 1528 1529 wi = font->fontwidth; 1530 he = font->fontheight; 1531 1532 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1533 x = ri->ri_xorigin + col * wi; 1534 y = ri->ri_yorigin + row * he; 1535 if (c == 0x20) { 1536 r128fb_rectfill(sc, x, y, wi, he, bg); 1537 return; 1538 } 1539 1540 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1541 if (rv == GC_OK) 1542 return; 1543 1544 data8 = WSFONT_GLYPH(c, font); 1545 1546 r128fb_wait(sc, 5); 1547 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1548 R128_DP_GUI_MASTER_CNTL, 1549 R128_GMC_BRUSH_SOLID_COLOR | 1550 R128_GMC_SRC_DATATYPE_COLOR | 1551 R128_ROP3_S | 1552 R128_DP_SRC_SOURCE_HOST_DATA | 1553 sc->sc_master_cntl); 1554 1555 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1556 R128_DP_CNTL, 1557 R128_DST_Y_TOP_TO_BOTTOM | 1558 R128_DST_X_LEFT_TO_RIGHT); 1559 1560 /* needed? */ 1561 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 0); 1562 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 1563 (x << 16) | y); 1564 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 1565 (wi << 16) | he); 1566 1567 /* 1568 * we need the RGB colours here, so get offsets into rasops_cmap 1569 */ 1570 fgo = ((attr >> 24) & 0xf) * 3; 1571 bgo = ((attr >> 16) & 0xf) * 3; 1572 1573 r0 = rasops_cmap[bgo]; 1574 r1 = rasops_cmap[fgo]; 1575 g0 = rasops_cmap[bgo + 1]; 1576 g1 = rasops_cmap[fgo + 1]; 1577 b0 = rasops_cmap[bgo + 2]; 1578 b1 = rasops_cmap[fgo + 2]; 1579 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1580 bg8 = R3G3B2(r0, g0, b0); 1581 fg8 = R3G3B2(r1, g1, b1); 1582 1583 r128fb_wait(sc, 16); 1584 1585 for (i = 0; i < ri->ri_fontscale; i++) { 1586 aval = *data8; 1587 if (aval == 0) { 1588 pixel = bg8; 1589 } else if (aval == 255) { 1590 pixel = fg8; 1591 } else { 1592 r = aval * r1 + (255 - aval) * r0; 1593 g = aval * g1 + (255 - aval) * g0; 1594 b = aval * b1 + (255 - aval) * b0; 1595 pixel = ((r & 0xe000) >> 8) | 1596 ((g & 0xe000) >> 11) | 1597 ((b & 0xc000) >> 14); 1598 } 1599 latch = (latch << 8) | pixel; 1600 /* write in 32bit chunks */ 1601 if ((i & 3) == 3) { 1602 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1603 R128_HOST_DATA0, latch); 1604 /* 1605 * not strictly necessary, old data should be shifted 1606 * out 1607 */ 1608 latch = 0; 1609 cnt++; 1610 if (cnt > 15) { 1611 r128fb_wait(sc, 16); 1612 cnt = 0; 1613 } 1614 } 1615 data8++; 1616 } 1617 /* if we have pixels left in latch write them out */ 1618 if ((i & 3) != 0) { 1619 latch = latch << ((4 - (i & 3)) << 3); 1620 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1621 R128_HOST_DATA0, latch); 1622 } 1623 if (rv == GC_ADD) { 1624 glyphcache_add(&sc->sc_gc, c, x, y); 1625 } 1626 } 1627 #endif 1628 1629 static void 1630 cg14_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1631 { 1632 struct rasops_info *ri = cookie; 1633 struct vcons_screen *scr = ri->ri_hw; 1634 struct cgfourteen_softc *sc = scr->scr_cookie; 1635 int32_t xs, xd, y, width, height; 1636 1637 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1638 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1639 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1640 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1641 width = ri->ri_font->fontwidth * ncols; 1642 height = ri->ri_font->fontheight; 1643 cg14_bitblt(sc, xs, y, xd, y, width, height, 0x0c); 1644 } 1645 } 1646 1647 static void 1648 cg14_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1649 { 1650 struct rasops_info *ri = cookie; 1651 struct vcons_screen *scr = ri->ri_hw; 1652 struct cgfourteen_softc *sc = scr->scr_cookie; 1653 int32_t x, y, width, height, fg, bg, ul; 1654 1655 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1656 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1657 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1658 width = ri->ri_font->fontwidth * ncols; 1659 height = ri->ri_font->fontheight; 1660 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1661 1662 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1663 } 1664 } 1665 1666 static void 1667 cg14_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1668 { 1669 struct rasops_info *ri = cookie; 1670 struct vcons_screen *scr = ri->ri_hw; 1671 struct cgfourteen_softc *sc = scr->scr_cookie; 1672 int32_t x, ys, yd, width, height; 1673 1674 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1675 x = ri->ri_xorigin; 1676 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1677 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1678 width = ri->ri_emuwidth; 1679 height = ri->ri_font->fontheight * nrows; 1680 cg14_bitblt(sc, x, ys, x, yd, width, height, 0x0c); 1681 } 1682 } 1683 1684 static void 1685 cg14_eraserows(void *cookie, int row, int nrows, long fillattr) 1686 { 1687 struct rasops_info *ri = cookie; 1688 struct vcons_screen *scr = ri->ri_hw; 1689 struct cgfourteen_softc *sc = scr->scr_cookie; 1690 int32_t x, y, width, height, fg, bg, ul; 1691 1692 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1693 x = ri->ri_xorigin; 1694 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1695 width = ri->ri_emuwidth; 1696 height = ri->ri_font->fontheight * nrows; 1697 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1698 1699 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1700 } 1701 } 1702 1703 #endif /* NSX > 0 */ 1704 1705 #endif 1706
Indexes created Mon Sep 29 21:09:56 GMT 2025