cgfourteen.c revision 1.78
1 /* $NetBSD: cgfourteen.c,v 1.78 2014/04/23 16:54:21 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> 99 100 #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_flag = 0 134 }; 135 136 /* frame buffer generic driver */ 137 static struct fbdriver cgfourteenfbdriver = { 138 cgfourteenunblank, cgfourteenopen, cgfourteenclose, cgfourteenioctl, 139 cgfourteenpoll, cgfourteenmmap, nokqfilter 140 }; 141 142 static void cg14_set_video(struct cgfourteen_softc *, int); 143 static int cg14_get_video(struct cgfourteen_softc *); 144 static int cg14_get_cmap(struct fbcmap *, union cg14cmap *, int); 145 static int cg14_put_cmap(struct fbcmap *, union cg14cmap *, int); 146 static void cg14_load_hwcmap(struct cgfourteen_softc *, int, int); 147 static void cg14_init(struct cgfourteen_softc *); 148 static void cg14_reset(struct cgfourteen_softc *); 149 150 #if NWSDISPLAY > 0 151 static void cg14_setup_wsdisplay(struct cgfourteen_softc *, int); 152 static void cg14_init_cmap(struct cgfourteen_softc *); 153 static int cg14_putcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 154 static int cg14_getcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 155 static void cg14_set_depth(struct cgfourteen_softc *, int); 156 static void cg14_move_cursor(struct cgfourteen_softc *, int, int); 157 static int cg14_do_cursor(struct cgfourteen_softc *, 158 struct wsdisplay_cursor *); 159 160 #if NSX > 0 161 static void cg14_wait_idle(struct cgfourteen_softc *); 162 static void cg14_rectfill(struct cgfourteen_softc *, int, int, int, int, 163 uint32_t); 164 static void cg14_invert(struct cgfourteen_softc *, int, int, int, int); 165 static void cg14_bitblt(void *, int, int, int, int, int, int, int); 166 167 #if 0 168 static void cg14_putchar_aa(void *, int, int, u_int, long); 169 #endif 170 static void cg14_cursor(void *, int, int, int); 171 static void cg14_putchar(void *, int, int, u_int, long); 172 static void cg14_copycols(void *, int, int, int, int); 173 static void cg14_erasecols(void *, int, int, int, long); 174 static void cg14_copyrows(void *, int, int, int); 175 static void cg14_eraserows(void *, int, int, long); 176 #endif /* NSX > 0 */ 177 178 #endif 179 180 /* 181 * Match a cgfourteen. 182 */ 183 int 184 cgfourteenmatch(device_t parent, struct cfdata *cf, void *aux) 185 { 186 union obio_attach_args *uoba = aux; 187 struct sbus_attach_args *sa = &uoba->uoba_sbus; 188 189 /* 190 * The cgfourteen is a local-bus video adaptor, accessed directly 191 * via the processor, and not through device space or an external 192 * bus. Thus we look _only_ at the obio bus. 193 * Additionally, these things exist only on the Sun4m. 194 */ 195 196 if (uoba->uoba_isobio4 != 0 || !CPU_ISSUN4M) 197 return (0); 198 199 /* Check driver name */ 200 return (strcmp(cf->cf_name, sa->sa_name) == 0); 201 } 202 203 #if NWSDISPLAY > 0 204 static int cg14_ioctl(void *, void *, u_long, void *, int, struct lwp *); 205 static paddr_t cg14_mmap(void *, void *, off_t, int); 206 static void cg14_init_screen(void *, struct vcons_screen *, int, long *); 207 208 209 struct wsdisplay_accessops cg14_accessops = { 210 cg14_ioctl, 211 cg14_mmap, 212 NULL, /* alloc_screen */ 213 NULL, /* free_screen */ 214 NULL, /* show_screen */ 215 NULL, /* load_font */ 216 NULL, /* pollc */ 217 NULL /* scroll */ 218 }; 219 #endif 220 221 /* 222 * Attach a display. We need to notice if it is the console, too. 223 */ 224 void 225 cgfourteenattach(device_t parent, device_t self, void *aux) 226 { 227 union obio_attach_args *uoba = aux; 228 struct sbus_attach_args *sa = &uoba->uoba_sbus; 229 struct cgfourteen_softc *sc = device_private(self); 230 struct fbdevice *fb = &sc->sc_fb; 231 bus_space_handle_t bh; 232 int node; 233 volatile uint32_t *lut; 234 int i, isconsole, items; 235 uint32_t fbva[2] = {0, 0}; 236 uint32_t *ptr = fbva; 237 #if NSX > 0 238 device_t dv; 239 deviter_t di; 240 #endif 241 242 sc->sc_dev = self; 243 sc->sc_opens = 0; 244 node = sa->sa_node; 245 246 /* Remember cookies for cgfourteenmmap() */ 247 sc->sc_bustag = sa->sa_bustag; 248 249 fb->fb_driver = &cgfourteenfbdriver; 250 fb->fb_device = sc->sc_dev; 251 /* Mask out invalid flags from the user. */ 252 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 253 254 fb->fb_type.fb_type = FBTYPE_MDICOLOR; 255 fb->fb_type.fb_depth = 32; 256 257 fb_setsize_obp(fb, sc->sc_fb.fb_type.fb_depth, 1152, 900, node); 258 259 fb->fb_type.fb_cmsize = CG14_CLUT_SIZE; 260 261 if (sa->sa_nreg < 2) { 262 printf("%s: only %d register sets\n", 263 device_xname(self), sa->sa_nreg); 264 return; 265 } 266 memcpy(sc->sc_physadr, sa->sa_reg, 267 sa->sa_nreg * sizeof(struct sbus_reg)); 268 269 sc->sc_vramsize = sc->sc_physadr[CG14_PXL_IDX].sbr_size; 270 fb->fb_type.fb_size = sc->sc_vramsize; 271 272 printf(": %d MB VRAM", (uint32_t)(sc->sc_vramsize >> 20)); 273 /* 274 * Now map in the 8 useful pages of registers 275 */ 276 if (sa->sa_size < 0x10000) { 277 #ifdef DIAGNOSTIC 278 printf("warning: can't find all cgfourteen registers...\n"); 279 #endif 280 sa->sa_size = 0x10000; 281 } 282 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 283 sa->sa_offset, 284 sa->sa_size, 285 0 /*BUS_SPACE_MAP_LINEAR*/, 286 &bh) != 0) { 287 printf("%s: cannot map control registers\n", 288 device_xname(self)); 289 return; 290 } 291 sc->sc_regh = bh; 292 sc->sc_regaddr = BUS_ADDR(sa->sa_slot, sa->sa_offset); 293 sc->sc_fbaddr = BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 294 sc->sc_physadr[CG14_PXL_IDX].sbr_offset); 295 296 sc->sc_ctl = (struct cg14ctl *) (bh); 297 sc->sc_hwc = (struct cg14curs *) (bh + CG14_OFFSET_CURS); 298 sc->sc_dac = (struct cg14dac *) (bh + CG14_OFFSET_DAC); 299 sc->sc_xlut = (struct cg14xlut *) (bh + CG14_OFFSET_XLUT); 300 sc->sc_clut1 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT1); 301 sc->sc_clut2 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT2); 302 sc->sc_clut3 = (struct cg14clut *) (bh + CG14_OFFSET_CLUT3); 303 sc->sc_clutincr = (u_int *) (bh + CG14_OFFSET_CLUTINCR); 304 305 /* 306 * Let the user know that we're here 307 */ 308 printf(": %dx%d", 309 fb->fb_type.fb_width, fb->fb_type.fb_height); 310 311 /* 312 * Enable the video. 313 */ 314 cg14_set_video(sc, 1); 315 316 /* 317 * Grab the initial colormap 318 */ 319 lut = sc->sc_clut1->clut_lut; 320 for (i = 0; i < CG14_CLUT_SIZE; i++) 321 sc->sc_cmap.cm_chip[i] = lut[i]; 322 323 /* See if we're the console */ 324 isconsole = fb_is_console(node); 325 326 #if NWSDISPLAY > 0 327 prom_getprop(sa->sa_node, "address", 4, &items, &ptr); 328 if (fbva[1] == 0) { 329 if (sbus_bus_map( sc->sc_bustag, 330 sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 331 sc->sc_physadr[CG14_PXL_IDX].sbr_offset, 332 sc->sc_vramsize, BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 333 &bh) != 0) { 334 printf("%s: cannot map pixels\n", 335 device_xname(sc->sc_dev)); 336 return; 337 } 338 sc->sc_fb.fb_pixels = bus_space_vaddr(sc->sc_bustag, bh); 339 } else { 340 sc->sc_fb.fb_pixels = (void *)fbva[1]; 341 } 342 343 if (isconsole) 344 printf(" (console)\n"); 345 else 346 printf("\n"); 347 348 sc->sc_depth = 8; 349 350 #if NSX > 0 351 /* see if we've got an SX to help us */ 352 sc->sc_sx = NULL; 353 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); 354 dv != NULL; 355 dv = deviter_next(&di)) { 356 if (device_is_a(dv, "sx")) { 357 sc->sc_sx = device_private(dv); 358 } 359 } 360 deviter_release(&di); 361 if (sc->sc_sx != NULL) { 362 sc->sc_fb_paddr = bus_space_mmap(sc->sc_bustag, 363 sc->sc_fbaddr, 0, 0, 0) & 0xfffff000; 364 aprint_normal_dev(sc->sc_dev, "using %s\n", 365 device_xname(sc->sc_sx->sc_dev)); 366 aprint_debug_dev(sc->sc_dev, "fb paddr: %08x\n", 367 sc->sc_fb_paddr); 368 sx_write(sc->sc_sx, SX_PAGE_BOUND_LOWER, sc->sc_fb_paddr); 369 sx_write(sc->sc_sx, SX_PAGE_BOUND_UPPER, 370 sc->sc_fb_paddr + 0x03ffffff); 371 } 372 cg14_wait_idle(sc); 373 #endif 374 cg14_setup_wsdisplay(sc, isconsole); 375 #endif 376 377 /* Attach to /dev/fb */ 378 fb_attach(&sc->sc_fb, isconsole); 379 } 380 381 /* 382 * Keep track of the number of opens made. In the 24-bit driver, we need to 383 * switch to 24-bit mode on the first open, and switch back to 8-bit on 384 * the last close. This kind of nonsense is needed to give screenblank 385 * a fighting chance of working. 386 */ 387 388 int 389 cgfourteenopen(dev_t dev, int flags, int mode, struct lwp *l) 390 { 391 struct cgfourteen_softc *sc; 392 int oldopens; 393 394 sc = device_lookup_private(&cgfourteen_cd, minor(dev)); 395 if (sc == NULL) 396 return(ENXIO); 397 oldopens = sc->sc_opens++; 398 399 /* Setup the cg14 as we want it, and save the original PROM state */ 400 if (oldopens == 0) /* first open only, to make screenblank work */ 401 cg14_init(sc); 402 403 return (0); 404 } 405 406 int 407 cgfourteenclose(dev_t dev, int flags, int mode, struct lwp *l) 408 { 409 struct cgfourteen_softc *sc = 410 device_lookup_private(&cgfourteen_cd, minor(dev)); 411 int opens; 412 413 opens = --sc->sc_opens; 414 if (sc->sc_opens < 0) 415 opens = sc->sc_opens = 0; 416 417 /* 418 * Restore video state to make the PROM happy, on last close. 419 */ 420 if (opens == 0) 421 cg14_reset(sc); 422 423 return (0); 424 } 425 426 int 427 cgfourteenioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 428 { 429 struct cgfourteen_softc *sc = 430 device_lookup_private(&cgfourteen_cd, minor(dev)); 431 struct fbgattr *fba; 432 int error; 433 434 switch (cmd) { 435 436 case FBIOGTYPE: 437 *(struct fbtype *)data = sc->sc_fb.fb_type; 438 break; 439 440 case FBIOGATTR: 441 fba = (struct fbgattr *)data; 442 fba->real_type = FBTYPE_MDICOLOR; 443 fba->owner = 0; /* XXX ??? */ 444 fba->fbtype = sc->sc_fb.fb_type; 445 fba->sattr.flags = 0; 446 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 447 fba->sattr.dev_specific[0] = -1; 448 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 449 fba->emu_types[1] = -1; 450 break; 451 452 case FBIOGETCMAP: 453 return(cg14_get_cmap((struct fbcmap *)data, &sc->sc_cmap, 454 CG14_CLUT_SIZE)); 455 456 case FBIOPUTCMAP: 457 /* copy to software map */ 458 #define p ((struct fbcmap *)data) 459 error = cg14_put_cmap(p, &sc->sc_cmap, CG14_CLUT_SIZE); 460 if (error) 461 return (error); 462 /* now blast them into the chip */ 463 /* XXX should use retrace interrupt */ 464 cg14_load_hwcmap(sc, p->index, p->count); 465 #undef p 466 break; 467 468 case FBIOGVIDEO: 469 *(int *)data = cg14_get_video(sc); 470 break; 471 472 case FBIOSVIDEO: 473 cg14_set_video(sc, *(int *)data); 474 break; 475 476 case CG14_SET_PIXELMODE: { 477 int depth = *(int *)data; 478 479 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) 480 return EINVAL; 481 482 cg14_set_depth(sc, depth); 483 } 484 break; 485 default: 486 return (ENOTTY); 487 } 488 return (0); 489 } 490 491 /* 492 * Undo the effect of an FBIOSVIDEO that turns the video off. 493 */ 494 static void 495 cgfourteenunblank(device_t dev) 496 { 497 struct cgfourteen_softc *sc = device_private(dev); 498 499 cg14_set_video(sc, 1); 500 #if NWSDISPLAY > 0 501 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) { 502 cg14_set_depth(sc, 8); 503 cg14_init_cmap(sc); 504 vcons_redraw_screen(sc->sc_vd.active); 505 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 506 } 507 #endif 508 } 509 510 /* 511 * Return the address that would map the given device at the given 512 * offset, allowing for the given protection, or return -1 for error. 513 */ 514 paddr_t 515 cgfourteenmmap(dev_t dev, off_t off, int prot) 516 { 517 struct cgfourteen_softc *sc = 518 device_lookup_private(&cgfourteen_cd, minor(dev)); 519 off_t offset = -1; 520 521 if (off & PGOFSET) 522 panic("cgfourteenmmap"); 523 524 if (off < 0) 525 return (-1); 526 527 if (off >= 0 && off < 0x10000) { 528 offset = sc->sc_regaddr; 529 } else if (off >= CG14_CURSOR_VOFF && 530 off < (CG14_CURSOR_VOFF + 0x1000)) { 531 offset = sc->sc_regaddr + CG14_OFFSET_CURS; 532 off -= CG14_CURSOR_VOFF; 533 } else if (off >= CG14_DIRECT_VOFF && 534 off < (CG14_DIRECT_VOFF + sc->sc_vramsize)) { 535 offset = sc->sc_fbaddr + CG14_FB_VRAM; 536 off -= CG14_DIRECT_VOFF; 537 } else if (off >= CG14_BGR_VOFF && 538 off < (CG14_BGR_VOFF + sc->sc_vramsize)) { 539 offset = sc->sc_fbaddr + CG14_FB_CBGR; 540 off -= CG14_BGR_VOFF; 541 } else if (off >= CG14_X32_VOFF && 542 off < (CG14_X32_VOFF + (sc->sc_vramsize >> 2))) { 543 offset = sc->sc_fbaddr + CG14_FB_PX32; 544 off -= CG14_X32_VOFF; 545 } else if (off >= CG14_B32_VOFF && 546 off < (CG14_B32_VOFF + (sc->sc_vramsize >> 2))) { 547 offset = sc->sc_fbaddr + CG14_FB_PB32; 548 off -= CG14_B32_VOFF; 549 } else if (off >= CG14_G32_VOFF && 550 off < (CG14_G32_VOFF + (sc->sc_vramsize >> 2))) { 551 offset = sc->sc_fbaddr + CG14_FB_PG32; 552 off -= CG14_G32_VOFF; 553 } else if (off >= CG14_R32_VOFF && 554 off < CG14_R32_VOFF + (sc->sc_vramsize >> 2)) { 555 offset = sc->sc_fbaddr + CG14_FB_PR32; 556 off -= CG14_R32_VOFF; 557 #if NSX > 0 558 /* 559 * for convenience we also map the SX ranges here: 560 * - one page userland registers 561 * - CG14-sized IO space at 0x800000000 ( not a typo, it's above 4GB ) 562 */ 563 } else if (sc->sc_sx == NULL) { 564 return -1; 565 } else if (off >= CG14_SXREG_VOFF && 566 off < (CG14_SXREG_VOFF + 0x400)) { 567 return (bus_space_mmap(sc->sc_sx->sc_tag, sc->sc_sx->sc_uregs, 568 0, prot, BUS_SPACE_MAP_LINEAR)); 569 } else if (off >= CG14_SXIO_VOFF && 570 off < (CG14_SXIO_VOFF + 0x03ffffff)) { 571 return (bus_space_mmap(sc->sc_sx->sc_tag, 0x800000000LL, 572 sc->sc_fb_paddr + (off - CG14_SXIO_VOFF), 573 prot, BUS_SPACE_MAP_LINEAR)); 574 #endif 575 } else 576 return -1; 577 578 return (bus_space_mmap(sc->sc_bustag, offset, off, prot, 579 BUS_SPACE_MAP_LINEAR)); 580 } 581 582 int 583 cgfourteenpoll(dev_t dev, int events, struct lwp *l) 584 { 585 586 return (seltrue(dev, events, l)); 587 } 588 589 /* 590 * Miscellaneous helper functions 591 */ 592 593 /* Initialize the framebuffer, storing away useful state for later reset */ 594 static void 595 cg14_init(struct cgfourteen_softc *sc) 596 { 597 #if 0 598 volatile uint32_t *clut; 599 volatile uint8_t *xlut; 600 int i; 601 602 /* 603 * We stash away the following to restore on close: 604 * 605 * color look-up table 1 (sc->sc_saveclut) 606 * x look-up table (sc->sc_savexlut) 607 * control register (sc->sc_savectl) 608 * cursor control register (sc->sc_savehwc) 609 */ 610 sc->sc_savectl = sc->sc_ctl->ctl_mctl; 611 sc->sc_savehwc = sc->sc_hwc->curs_ctl; 612 613 clut = (volatile uint32_t *) sc->sc_clut1->clut_lut; 614 xlut = (volatile uint8_t *) sc->sc_xlut->xlut_lut; 615 for (i = 0; i < CG14_CLUT_SIZE; i++) { 616 sc->sc_saveclut.cm_chip[i] = clut[i]; 617 sc->sc_savexlut[i] = xlut[i]; 618 } 619 620 /* 621 * Enable the video and put it in 8 bit mode 622 */ 623 sc->sc_ctl->ctl_mctl = CG14_MCTL_ENABLEVID | CG14_MCTL_PIXMODE_8 | 624 CG14_MCTL_POWERCTL; 625 #else 626 cg14_set_depth(sc, 32); 627 #endif 628 } 629 630 static void 631 /* Restore the state saved on cg14_init */ 632 cg14_reset(struct cgfourteen_softc *sc) 633 { 634 #if 0 635 volatile uint32_t *clut; 636 volatile uint8_t *xlut; 637 int i; 638 639 /* 640 * We restore the following, saved in cg14_init: 641 * 642 * color look-up table 1 (sc->sc_saveclut) 643 * x look-up table (sc->sc_savexlut) 644 * control register (sc->sc_savectl) 645 * cursor control register (sc->sc_savehwc) 646 * 647 * Note that we don't touch the video enable bits in the 648 * control register; otherwise, screenblank wouldn't work. 649 */ 650 sc->sc_ctl->ctl_mctl = (sc->sc_ctl->ctl_mctl & (CG14_MCTL_ENABLEVID | 651 CG14_MCTL_POWERCTL)) | 652 (sc->sc_savectl & ~(CG14_MCTL_ENABLEVID | 653 CG14_MCTL_POWERCTL)); 654 sc->sc_hwc->curs_ctl = sc->sc_savehwc; 655 656 clut = sc->sc_clut1->clut_lut; 657 xlut = sc->sc_xlut->xlut_lut; 658 for (i = 0; i < CG14_CLUT_SIZE; i++) { 659 clut[i] = sc->sc_saveclut.cm_chip[i]; 660 xlut[i] = sc->sc_savexlut[i]; 661 } 662 #else 663 cg14_set_depth(sc, 8); 664 #endif 665 } 666 667 /* Enable/disable video display; power down monitor if DPMS-capable */ 668 static void 669 cg14_set_video(struct cgfourteen_softc *sc, int enable) 670 { 671 /* 672 * We can only use DPMS to power down the display if the chip revision 673 * is greater than 0. 674 */ 675 if (enable) { 676 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 677 sc->sc_ctl->ctl_mctl |= (CG14_MCTL_ENABLEVID | 678 CG14_MCTL_POWERCTL); 679 else 680 sc->sc_ctl->ctl_mctl |= CG14_MCTL_ENABLEVID; 681 } else { 682 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 683 sc->sc_ctl->ctl_mctl &= ~(CG14_MCTL_ENABLEVID | 684 CG14_MCTL_POWERCTL); 685 else 686 sc->sc_ctl->ctl_mctl &= ~CG14_MCTL_ENABLEVID; 687 } 688 } 689 690 /* Get status of video display */ 691 static int 692 cg14_get_video(struct cgfourteen_softc *sc) 693 { 694 return ((sc->sc_ctl->ctl_mctl & CG14_MCTL_ENABLEVID) != 0); 695 } 696 697 /* Read the software shadow colormap */ 698 static int 699 cg14_get_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 700 { 701 u_int i, start, count; 702 u_char *cp; 703 int error; 704 705 start = p->index; 706 count = p->count; 707 if (start >= cmsize || count > cmsize - start) 708 return (EINVAL); 709 710 for (cp = &cm->cm_map[start][0], i = 0; i < count; cp += 4, i++) { 711 error = copyout(&cp[3], &p->red[i], 1); 712 if (error) 713 return error; 714 error = copyout(&cp[2], &p->green[i], 1); 715 if (error) 716 return error; 717 error = copyout(&cp[1], &p->blue[i], 1); 718 if (error) 719 return error; 720 } 721 return (0); 722 } 723 724 /* Write the software shadow colormap */ 725 static int 726 cg14_put_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 727 { 728 u_int i, start, count; 729 u_char *cp; 730 u_char cmap[256][4]; 731 int error; 732 733 start = p->index; 734 count = p->count; 735 if (start >= cmsize || count > cmsize - start) 736 return (EINVAL); 737 738 memcpy(&cmap, &cm->cm_map, sizeof cmap); 739 for (cp = &cmap[start][0], i = 0; i < count; cp += 4, i++) { 740 error = copyin(&p->red[i], &cp[3], 1); 741 if (error) 742 return error; 743 error = copyin(&p->green[i], &cp[2], 1); 744 if (error) 745 return error; 746 error = copyin(&p->blue[i], &cp[1], 1); 747 if (error) 748 return error; 749 cp[0] = 0; /* no alpha channel */ 750 } 751 memcpy(&cm->cm_map, &cmap, sizeof cmap); 752 return (0); 753 } 754 755 static void 756 cg14_load_hwcmap(struct cgfourteen_softc *sc, int start, int ncolors) 757 { 758 /* XXX switch to auto-increment, and on retrace intr */ 759 760 /* Setup pointers to source and dest */ 761 uint32_t *colp = &sc->sc_cmap.cm_chip[start]; 762 volatile uint32_t *lutp = &sc->sc_clut1->clut_lut[start]; 763 764 /* Copy by words */ 765 while (--ncolors >= 0) 766 *lutp++ = *colp++; 767 } 768 769 #if NWSDISPLAY > 0 770 static void 771 cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons) 772 { 773 struct wsemuldisplaydev_attach_args aa; 774 struct rasops_info *ri; 775 long defattr; 776 777 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 778 "default", 779 0, 0, 780 NULL, 781 8, 16, 782 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 783 NULL 784 }; 785 cg14_set_depth(sc, 8); 786 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 787 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 788 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 789 vcons_init(&sc->sc_vd, sc, &sc->sc_defaultscreen_descr, 790 &cg14_accessops); 791 sc->sc_vd.init_screen = cg14_init_screen; 792 793 ri = &sc->sc_console_screen.scr_ri; 794 795 if (is_cons) { 796 vcons_init_screen(&sc->sc_vd, &sc->sc_console_screen, 1, 797 &defattr); 798 799 /* clear the screen with the default background colour */ 800 memset(sc->sc_fb.fb_pixels, 801 (defattr >> 16) & 0xff, 802 ri->ri_stride * ri->ri_height); 803 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 804 805 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 806 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 807 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 808 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 809 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 810 defattr); 811 vcons_replay_msgbuf(&sc->sc_console_screen); 812 } else { 813 /* 814 * since we're not the console we can postpone the rest 815 * until someone actually allocates a screen for us 816 */ 817 } 818 819 cg14_init_cmap(sc); 820 821 aa.console = is_cons; 822 aa.scrdata = &sc->sc_screenlist; 823 aa.accessops = &cg14_accessops; 824 aa.accesscookie = &sc->sc_vd; 825 826 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 827 } 828 829 static void 830 cg14_init_cmap(struct cgfourteen_softc *sc) 831 { 832 int i, j = 0; 833 834 for (i = 0; i < 256; i++) { 835 836 sc->sc_cmap.cm_map[i][3] = rasops_cmap[j]; 837 sc->sc_cmap.cm_map[i][2] = rasops_cmap[j + 1]; 838 sc->sc_cmap.cm_map[i][1] = rasops_cmap[j + 2]; 839 j += 3; 840 } 841 cg14_load_hwcmap(sc, 0, 256); 842 } 843 844 static int 845 cg14_putcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 846 { 847 u_int index = cm->index; 848 u_int count = cm->count; 849 int i, error; 850 u_char rbuf[256], gbuf[256], bbuf[256]; 851 852 if (cm->index >= 256 || cm->count > 256 || 853 (cm->index + cm->count) > 256) 854 return EINVAL; 855 error = copyin(cm->red, &rbuf[index], count); 856 if (error) 857 return error; 858 error = copyin(cm->green, &gbuf[index], count); 859 if (error) 860 return error; 861 error = copyin(cm->blue, &bbuf[index], count); 862 if (error) 863 return error; 864 865 for (i = 0; i < count; i++) { 866 sc->sc_cmap.cm_map[index][3] = rbuf[index]; 867 sc->sc_cmap.cm_map[index][2] = gbuf[index]; 868 sc->sc_cmap.cm_map[index][1] = bbuf[index]; 869 870 index++; 871 } 872 cg14_load_hwcmap(sc, 0, 256); 873 return 0; 874 } 875 876 static int 877 cg14_getcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 878 { 879 uint8_t rbuf[256], gbuf[256], bbuf[256]; 880 u_int index = cm->index; 881 u_int count = cm->count; 882 int error, i; 883 884 if (index >= 255 || count > 256 || index + count > 256) 885 return EINVAL; 886 887 888 for (i = 0; i < count; i++) { 889 rbuf[i] = sc->sc_cmap.cm_map[index][3]; 890 gbuf[i] = sc->sc_cmap.cm_map[index][2]; 891 bbuf[i] = sc->sc_cmap.cm_map[index][1]; 892 893 index++; 894 } 895 error = copyout(rbuf, cm->red, count); 896 if (error) 897 return error; 898 error = copyout(gbuf, cm->green, count); 899 if (error) 900 return error; 901 error = copyout(bbuf, cm->blue, count); 902 if (error) 903 return error; 904 905 return 0; 906 } 907 908 static int 909 cg14_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 910 struct lwp *l) 911 { 912 struct vcons_data *vd = v; 913 struct cgfourteen_softc *sc = vd->cookie; 914 struct wsdisplay_fbinfo *wdf; 915 struct vcons_screen *ms = vd->active; 916 917 switch (cmd) { 918 919 case WSDISPLAYIO_GTYPE: 920 *(uint32_t *)data = WSDISPLAY_TYPE_SUNCG14; 921 return 0; 922 923 case WSDISPLAYIO_GINFO: 924 wdf = (void *)data; 925 wdf->height = ms->scr_ri.ri_height; 926 wdf->width = ms->scr_ri.ri_width; 927 wdf->depth = 32; 928 wdf->cmsize = 256; 929 return 0; 930 931 case WSDISPLAYIO_GETCMAP: 932 return cg14_getcmap(sc, 933 (struct wsdisplay_cmap *)data); 934 935 case WSDISPLAYIO_PUTCMAP: 936 return cg14_putcmap(sc, 937 (struct wsdisplay_cmap *)data); 938 939 case WSDISPLAYIO_LINEBYTES: 940 *(u_int *)data = ms->scr_ri.ri_stride << 2; 941 return 0; 942 943 case WSDISPLAYIO_SMODE: 944 { 945 int new_mode = *(int*)data; 946 if (new_mode != sc->sc_mode) { 947 sc->sc_mode = new_mode; 948 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 949 bus_space_write_1(sc->sc_bustag, 950 sc->sc_regh, 951 CG14_CURSOR_CONTROL, 0); 952 953 cg14_set_depth(sc, 8); 954 cg14_init_cmap(sc); 955 vcons_redraw_screen(ms); 956 } else { 957 958 cg14_set_depth(sc, 32); 959 } 960 } 961 } 962 return 0; 963 case WSDISPLAYIO_SVIDEO: 964 cg14_set_video(sc, *(int *)data); 965 return 0; 966 case WSDISPLAYIO_GVIDEO: 967 return cg14_get_video(sc) ? 968 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 969 case WSDISPLAYIO_GCURPOS: 970 { 971 struct wsdisplay_curpos *cp = (void *)data; 972 973 cp->x = sc->sc_cursor.cc_pos.x; 974 cp->y = sc->sc_cursor.cc_pos.y; 975 } 976 return 0; 977 case WSDISPLAYIO_SCURPOS: 978 { 979 struct wsdisplay_curpos *cp = (void *)data; 980 981 cg14_move_cursor(sc, cp->x, cp->y); 982 } 983 return 0; 984 case WSDISPLAYIO_GCURMAX: 985 { 986 struct wsdisplay_curpos *cp = (void *)data; 987 988 cp->x = 32; 989 cp->y = 32; 990 } 991 return 0; 992 case WSDISPLAYIO_SCURSOR: 993 { 994 struct wsdisplay_cursor *cursor = (void *)data; 995 996 return cg14_do_cursor(sc, cursor); 997 } 998 case PCI_IOC_CFGREAD: 999 case PCI_IOC_CFGWRITE: 1000 return EINVAL; 1001 1002 } 1003 return EPASSTHROUGH; 1004 } 1005 1006 static paddr_t 1007 cg14_mmap(void *v, void *vs, off_t offset, int prot) 1008 { 1009 struct vcons_data *vd = v; 1010 struct cgfourteen_softc *sc = vd->cookie; 1011 1012 /* allow mmap()ing the full framebuffer, not just what we use */ 1013 if (offset < sc->sc_vramsize) 1014 return bus_space_mmap(sc->sc_bustag, 1015 BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 1016 sc->sc_physadr[CG14_PXL_IDX].sbr_offset), 1017 offset + CG14_FB_CBGR, prot, BUS_SPACE_MAP_LINEAR); 1018 1019 return -1; 1020 } 1021 1022 static void 1023 cg14_init_screen(void *cookie, struct vcons_screen *scr, 1024 int existing, long *defattr) 1025 { 1026 struct cgfourteen_softc *sc = cookie; 1027 struct rasops_info *ri = &scr->scr_ri; 1028 1029 ri->ri_depth = 8; 1030 ri->ri_width = sc->sc_fb.fb_type.fb_width; 1031 ri->ri_height = sc->sc_fb.fb_type.fb_height; 1032 ri->ri_stride = ri->ri_width; 1033 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 1034 1035 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 1036 #if NSX > 0 1037 /* 1038 * unaligned copies with horizontal overlap are slow, so don't bother 1039 * handling them in cg14_bitblt() and use putchar() instead 1040 */ 1041 if (sc->sc_sx != NULL) { 1042 scr->scr_flags |= VCONS_NO_COPYCOLS; 1043 } else 1044 #endif 1045 scr->scr_flags |= VCONS_DONT_READ; 1046 1047 if (existing) { 1048 ri->ri_flg |= RI_CLEAR; 1049 } 1050 1051 rasops_init(ri, 0, 0); 1052 ri->ri_caps = WSSCREEN_WSCOLORS; 1053 1054 rasops_reconfig(ri, 1055 sc->sc_fb.fb_type.fb_height / ri->ri_font->fontheight, 1056 sc->sc_fb.fb_type.fb_width / ri->ri_font->fontwidth); 1057 1058 ri->ri_hw = scr; 1059 #if NSX > 0 1060 if (sc->sc_sx != NULL) { 1061 ri->ri_ops.copyrows = cg14_copyrows; 1062 ri->ri_ops.copycols = cg14_copycols; 1063 ri->ri_ops.eraserows = cg14_eraserows; 1064 ri->ri_ops.erasecols = cg14_erasecols; 1065 ri->ri_ops.cursor = cg14_cursor; 1066 #if 0 1067 if (FONT_IS_ALPHA(ri->ri_font)) { 1068 ri->ri_ops.putchar = cg14_putchar_aa; 1069 } else 1070 #endif 1071 ri->ri_ops.putchar = cg14_putchar; 1072 } 1073 #endif /* NSX > 0 */ 1074 } 1075 1076 static void 1077 cg14_set_depth(struct cgfourteen_softc *sc, int depth) 1078 { 1079 int i; 1080 1081 if (sc->sc_depth == depth) 1082 return; 1083 1084 switch (depth) { 1085 case 8: 1086 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1087 CG14_MCTL, CG14_MCTL_ENABLEVID | 1088 CG14_MCTL_PIXMODE_8 | CG14_MCTL_POWERCTL); 1089 sc->sc_depth = 8; 1090 /* everything is CLUT1 */ 1091 for (i = 0; i < CG14_CLUT_SIZE; i++) 1092 sc->sc_xlut->xlut_lut[i] = 0; 1093 break; 1094 case 32: 1095 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1096 CG14_MCTL, CG14_MCTL_ENABLEVID | 1097 CG14_MCTL_PIXMODE_32 | CG14_MCTL_POWERCTL); 1098 sc->sc_depth = 32; 1099 for (i = 0; i < CG14_CLUT_SIZE; i++) 1100 sc->sc_xlut->xlut_lut[i] = 0; 1101 break; 1102 default: 1103 printf("%s: can't change to depth %d\n", 1104 device_xname(sc->sc_dev), depth); 1105 } 1106 } 1107 1108 static void 1109 cg14_move_cursor(struct cgfourteen_softc *sc, int x, int y) 1110 { 1111 uint32_t pos; 1112 1113 sc->sc_cursor.cc_pos.x = x; 1114 sc->sc_cursor.cc_pos.y = y; 1115 pos = ((sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x ) << 16) | 1116 ((sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y ) & 0xffff); 1117 bus_space_write_4(sc->sc_bustag, sc->sc_regh, CG14_CURSOR_X, pos); 1118 } 1119 1120 static int 1121 cg14_do_cursor(struct cgfourteen_softc *sc, struct wsdisplay_cursor *cur) 1122 { 1123 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1124 1125 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1126 CG14_CURSOR_CONTROL, cur->enable ? CG14_CRSR_ENABLE : 0); 1127 } 1128 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1129 1130 sc->sc_cursor.cc_hot.x = cur->hot.x; 1131 sc->sc_cursor.cc_hot.y = cur->hot.y; 1132 cur->which |= WSDISPLAY_CURSOR_DOPOS; 1133 } 1134 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1135 1136 cg14_move_cursor(sc, cur->pos.x, cur->pos.y); 1137 } 1138 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1139 int i; 1140 uint32_t val; 1141 1142 for (i = 0; i < min(cur->cmap.count, 3); i++) { 1143 val = (cur->cmap.red[i] ) | 1144 (cur->cmap.green[i] << 8) | 1145 (cur->cmap.blue[i] << 16); 1146 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1147 CG14_CURSOR_COLOR1 + ((i + cur->cmap.index) << 2), 1148 val); 1149 } 1150 } 1151 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1152 uint32_t buffer[32], latch, tmp; 1153 int i; 1154 1155 copyin(cur->mask, buffer, 128); 1156 for (i = 0; i < 32; i++) { 1157 latch = 0; 1158 tmp = buffer[i] & 0x80808080; 1159 latch |= tmp >> 7; 1160 tmp = buffer[i] & 0x40404040; 1161 latch |= tmp >> 5; 1162 tmp = buffer[i] & 0x20202020; 1163 latch |= tmp >> 3; 1164 tmp = buffer[i] & 0x10101010; 1165 latch |= tmp >> 1; 1166 tmp = buffer[i] & 0x08080808; 1167 latch |= tmp << 1; 1168 tmp = buffer[i] & 0x04040404; 1169 latch |= tmp << 3; 1170 tmp = buffer[i] & 0x02020202; 1171 latch |= tmp << 5; 1172 tmp = buffer[i] & 0x01010101; 1173 latch |= tmp << 7; 1174 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1175 CG14_CURSOR_PLANE0 + (i << 2), latch); 1176 } 1177 copyin(cur->image, buffer, 128); 1178 for (i = 0; i < 32; i++) { 1179 latch = 0; 1180 tmp = buffer[i] & 0x80808080; 1181 latch |= tmp >> 7; 1182 tmp = buffer[i] & 0x40404040; 1183 latch |= tmp >> 5; 1184 tmp = buffer[i] & 0x20202020; 1185 latch |= tmp >> 3; 1186 tmp = buffer[i] & 0x10101010; 1187 latch |= tmp >> 1; 1188 tmp = buffer[i] & 0x08080808; 1189 latch |= tmp << 1; 1190 tmp = buffer[i] & 0x04040404; 1191 latch |= tmp << 3; 1192 tmp = buffer[i] & 0x02020202; 1193 latch |= tmp << 5; 1194 tmp = buffer[i] & 0x01010101; 1195 latch |= tmp << 7; 1196 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1197 CG14_CURSOR_PLANE1 + (i << 2), latch); 1198 } 1199 } 1200 return 0; 1201 } 1202 1203 #if NSX > 0 1204 1205 static void 1206 cg14_wait_idle(struct cgfourteen_softc *sc) 1207 { 1208 } 1209 1210 static void 1211 cg14_rectfill(struct cgfourteen_softc *sc, int x, int y, int wi, int he, 1212 uint32_t colour) 1213 { 1214 uint32_t addr, pptr; 1215 int line, cnt, pre, words; 1216 int stride = sc->sc_fb.fb_type.fb_width; 1217 1218 addr = sc->sc_fb_paddr + x + stride * y; 1219 sx_write(sc->sc_sx, SX_QUEUED(8), colour); 1220 sx_write(sc->sc_sx, SX_QUEUED(9), colour); 1221 /* 1222 * Calculate the number of pixels we need to do one by one 1223 * until we're 32bit aligned, then do the rest in 32bit 1224 * mode. Assumes that stride is always a multiple of 4. 1225 */ 1226 /* TODO: use 32bit writes with byte mask instead */ 1227 pre = addr & 3; 1228 if (pre != 0) pre = 4 - pre; 1229 for (line = 0; line < he; line++) { 1230 pptr = addr; 1231 cnt = wi; 1232 if (pre) { 1233 sta(pptr & ~7, ASI_SX, SX_STBS(8, pre - 1, pptr & 7)); 1234 pptr += pre; 1235 cnt -= pre; 1236 } 1237 /* now do the aligned pixels in 32bit chunks */ 1238 while(cnt > 31) { 1239 words = min(32, cnt >> 2); 1240 sta(pptr & ~7, ASI_SX, SX_STS(8, words - 1, pptr & 7)); 1241 pptr += words << 2; 1242 cnt -= words << 2; 1243 } 1244 /* do any remaining pixels byte-wise again */ 1245 if (cnt > 0) 1246 sta(pptr & ~7, ASI_SX, SX_STBS(8, cnt - 1, pptr & 7)); 1247 addr += stride; 1248 } 1249 } 1250 1251 static void 1252 cg14_invert(struct cgfourteen_softc *sc, int x, int y, int wi, int he) 1253 { 1254 uint32_t addr, pptr; 1255 int line, cnt, pre, words; 1256 int stride = sc->sc_fb.fb_type.fb_width; 1257 1258 addr = sc->sc_fb_paddr + x + stride * y; 1259 sx_write(sc->sc_sx, SX_ROP_CONTROL, 0x33); /* ~src a */ 1260 /* 1261 * Calculate the number of pixels we need to do one by one 1262 * until we're 32bit aligned, then do the rest in 32bit 1263 * mode. Assumes that stride is always a multiple of 4. 1264 */ 1265 /* TODO: use 32bit writes with byte mask instead */ 1266 pre = addr & 3; 1267 if (pre != 0) pre = 4 - pre; 1268 for (line = 0; line < he; line++) { 1269 pptr = addr; 1270 cnt = wi; 1271 if (pre) { 1272 sta(pptr & ~7, ASI_SX, SX_LDB(8, pre - 1, pptr & 7)); 1273 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1274 SX_ROP(8, 8, 32, pre - 1)); 1275 sta(pptr & ~7, ASI_SX, SX_STB(32, pre - 1, pptr & 7)); 1276 pptr += pre; 1277 cnt -= pre; 1278 } 1279 /* now do the aligned pixels in 32bit chunks */ 1280 while(cnt > 15) { 1281 words = min(16, cnt >> 2); 1282 sta(pptr & ~7, ASI_SX, SX_LD(8, words - 1, pptr & 7)); 1283 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1284 SX_ROP(8, 8, 32, words - 1)); 1285 sta(pptr & ~7, ASI_SX, SX_ST(32, words - 1, pptr & 7)); 1286 pptr += words << 2; 1287 cnt -= words << 2; 1288 } 1289 /* do any remaining pixels byte-wise again */ 1290 if (cnt > 0) 1291 sta(pptr & ~7, ASI_SX, SX_LDB(8, cnt - 1, pptr & 7)); 1292 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1293 SX_ROP(8, 8, 32, cnt - 1)); 1294 sta(pptr & ~7, ASI_SX, SX_STB(32, cnt - 1, pptr & 7)); 1295 addr += stride; 1296 } 1297 } 1298 1299 static inline void 1300 cg14_slurp(int reg, uint32_t addr, int cnt) 1301 { 1302 int num; 1303 while (cnt > 0) { 1304 num = min(32, cnt); 1305 sta(addr & ~7, ASI_SX, SX_LD(reg, num - 1, addr & 7)); 1306 cnt -= num; 1307 reg += num; 1308 addr += (num << 2); 1309 } 1310 } 1311 1312 static inline void 1313 cg14_spit(int reg, uint32_t addr, int cnt) 1314 { 1315 int num; 1316 while (cnt > 0) { 1317 num = min(32, cnt); 1318 sta(addr & ~7, ASI_SX, SX_ST(reg, num - 1, addr & 7)); 1319 cnt -= num; 1320 reg += num; 1321 addr += (num << 2); 1322 } 1323 } 1324 1325 static void 1326 cg14_bitblt(void *cookie, int xs, int ys, int xd, int yd, 1327 int wi, int he, int rop) 1328 { 1329 struct cgfourteen_softc *sc = cookie; 1330 uint32_t saddr, daddr, sptr, dptr; 1331 int line, cnt, stride = sc->sc_fb.fb_type.fb_width; 1332 int num, words, skip; 1333 1334 if (ys < yd) { 1335 /* need to go bottom-up */ 1336 saddr = sc->sc_fb_paddr + xs + stride * (ys + he - 1); 1337 daddr = sc->sc_fb_paddr + xd + stride * (yd + he - 1); 1338 skip = -stride; 1339 } else { 1340 saddr = sc->sc_fb_paddr + xs + stride * ys; 1341 daddr = sc->sc_fb_paddr + xd + stride * yd; 1342 skip = stride; 1343 } 1344 1345 if ((saddr & 3) == (daddr & 3)) { 1346 int pre = saddr & 3; /* pixels to copy byte-wise */ 1347 if (pre != 0) pre = 4 - pre; 1348 for (line = 0; line < he; line++) { 1349 sptr = saddr; 1350 dptr = daddr; 1351 cnt = wi; 1352 if (pre > 0) { 1353 sta(sptr & ~7, ASI_SX, 1354 SX_LDB(32, pre - 1, sptr & 7)); 1355 sta(dptr & ~7, ASI_SX, 1356 SX_STB(32, pre - 1, dptr & 7)); 1357 cnt -= pre; 1358 sptr += pre; 1359 dptr += pre; 1360 } 1361 words = cnt >> 2; 1362 while(cnt > 3) { 1363 num = min(120, words); 1364 cg14_slurp(8, sptr, num); 1365 cg14_spit(8, dptr, num); 1366 sptr += num << 2; 1367 dptr += num << 2; 1368 cnt -= num << 2; 1369 } 1370 if (cnt > 0) { 1371 sta(sptr & ~7, ASI_SX, 1372 SX_LDB(32, cnt - 1, sptr & 7)); 1373 sta(dptr & ~7, ASI_SX, 1374 SX_STB(32, cnt - 1, dptr & 7)); 1375 } 1376 saddr += skip; 1377 daddr += skip; 1378 } 1379 } else { 1380 /* unaligned, have to use byte mode */ 1381 /* funnel shifter & byte mask trickery? */ 1382 for (line = 0; line < he; line++) { 1383 sptr = saddr; 1384 dptr = daddr; 1385 cnt = wi; 1386 while(cnt > 31) { 1387 sta(sptr & ~7, ASI_SX, SX_LDB(32, 31, sptr & 7)); 1388 sta(dptr & ~7, ASI_SX, SX_STB(32, 31, dptr & 7)); 1389 sptr += 32; 1390 dptr += 32; 1391 cnt -= 32; 1392 } 1393 if (cnt > 0) { 1394 sta(sptr & ~7, ASI_SX, 1395 SX_LDB(32, cnt - 1, sptr & 7)); 1396 sta(dptr & ~7, ASI_SX, 1397 SX_STB(32, cnt - 1, dptr & 7)); 1398 } 1399 saddr += skip; 1400 daddr += skip; 1401 } 1402 } 1403 } 1404 1405 1406 static void 1407 cg14_putchar(void *cookie, int row, int col, u_int c, long attr) 1408 { 1409 struct rasops_info *ri = cookie; 1410 struct wsdisplay_font *font = PICK_FONT(ri, c); 1411 struct vcons_screen *scr = ri->ri_hw; 1412 struct cgfourteen_softc *sc = scr->scr_cookie; 1413 void *data; 1414 uint32_t fg, bg; 1415 int i, x, y, wi, he; 1416 uint32_t addr; 1417 int stride = sc->sc_fb.fb_type.fb_width; 1418 1419 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1420 return; 1421 1422 if (!CHAR_IN_FONT(c, font)) 1423 return; 1424 1425 wi = font->fontwidth; 1426 he = font->fontheight; 1427 1428 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1429 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1430 sx_write(sc->sc_sx, SX_QUEUED(8), bg); 1431 sx_write(sc->sc_sx, SX_QUEUED(9), fg); 1432 1433 x = ri->ri_xorigin + col * wi; 1434 y = ri->ri_yorigin + row * he; 1435 1436 if (c == 0x20) { 1437 cg14_rectfill(sc, x, y, wi, he, bg); 1438 return; 1439 } 1440 1441 data = WSFONT_GLYPH(c, font); 1442 addr = sc->sc_fb_paddr + x + stride * y; 1443 1444 switch (font->stride) { 1445 case 1: { 1446 uint8_t *data8 = data; 1447 uint32_t reg; 1448 for (i = 0; i < he; i++) { 1449 reg = *data8; 1450 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1451 reg << 24); 1452 sta(addr & ~7, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1453 data8++; 1454 addr += stride; 1455 } 1456 break; 1457 } 1458 case 2: { 1459 uint16_t *data16 = data; 1460 uint32_t reg; 1461 for (i = 0; i < he; i++) { 1462 reg = *data16; 1463 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1464 reg << 16); 1465 sta(addr & ~7, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1466 data16++; 1467 addr += stride; 1468 } 1469 break; 1470 } 1471 } 1472 } 1473 1474 static void 1475 cg14_cursor(void *cookie, int on, int row, int col) 1476 { 1477 struct rasops_info *ri = cookie; 1478 struct vcons_screen *scr = ri->ri_hw; 1479 struct cgfourteen_softc *sc = scr->scr_cookie; 1480 int x, y, wi, he; 1481 1482 wi = ri->ri_font->fontwidth; 1483 he = ri->ri_font->fontheight; 1484 1485 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1486 x = ri->ri_ccol * wi + ri->ri_xorigin; 1487 y = ri->ri_crow * he + ri->ri_yorigin; 1488 if (ri->ri_flg & RI_CURSOR) { 1489 cg14_invert(sc, x, y, wi, he); 1490 ri->ri_flg &= ~RI_CURSOR; 1491 } 1492 ri->ri_crow = row; 1493 ri->ri_ccol = col; 1494 if (on) { 1495 x = ri->ri_ccol * wi + ri->ri_xorigin; 1496 y = ri->ri_crow * he + ri->ri_yorigin; 1497 cg14_invert(sc, x, y, wi, he); 1498 ri->ri_flg |= RI_CURSOR; 1499 } 1500 } else { 1501 scr->scr_ri.ri_crow = row; 1502 scr->scr_ri.ri_ccol = col; 1503 scr->scr_ri.ri_flg &= ~RI_CURSOR; 1504 } 1505 1506 } 1507 1508 #if 0 1509 static void 1510 r128fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1511 { 1512 struct rasops_info *ri = cookie; 1513 struct wsdisplay_font *font = PICK_FONT(ri, c); 1514 struct vcons_screen *scr = ri->ri_hw; 1515 struct r128fb_softc *sc = scr->scr_cookie; 1516 uint32_t bg, latch = 0, bg8, fg8, pixel; 1517 int i, x, y, wi, he, r, g, b, aval; 1518 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1519 uint8_t *data8; 1520 int rv, cnt = 0; 1521 1522 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1523 return; 1524 1525 if (!CHAR_IN_FONT(c, font)) 1526 return; 1527 1528 wi = font->fontwidth; 1529 he = font->fontheight; 1530 1531 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1532 x = ri->ri_xorigin + col * wi; 1533 y = ri->ri_yorigin + row * he; 1534 if (c == 0x20) { 1535 r128fb_rectfill(sc, x, y, wi, he, bg); 1536 return; 1537 } 1538 1539 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1540 if (rv == GC_OK) 1541 return; 1542 1543 data8 = WSFONT_GLYPH(c, font); 1544 1545 r128fb_wait(sc, 5); 1546 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1547 R128_DP_GUI_MASTER_CNTL, 1548 R128_GMC_BRUSH_SOLID_COLOR | 1549 R128_GMC_SRC_DATATYPE_COLOR | 1550 R128_ROP3_S | 1551 R128_DP_SRC_SOURCE_HOST_DATA | 1552 sc->sc_master_cntl); 1553 1554 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1555 R128_DP_CNTL, 1556 R128_DST_Y_TOP_TO_BOTTOM | 1557 R128_DST_X_LEFT_TO_RIGHT); 1558 1559 /* needed? */ 1560 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 0); 1561 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 1562 (x << 16) | y); 1563 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 1564 (wi << 16) | he); 1565 1566 /* 1567 * we need the RGB colours here, so get offsets into rasops_cmap 1568 */ 1569 fgo = ((attr >> 24) & 0xf) * 3; 1570 bgo = ((attr >> 16) & 0xf) * 3; 1571 1572 r0 = rasops_cmap[bgo]; 1573 r1 = rasops_cmap[fgo]; 1574 g0 = rasops_cmap[bgo + 1]; 1575 g1 = rasops_cmap[fgo + 1]; 1576 b0 = rasops_cmap[bgo + 2]; 1577 b1 = rasops_cmap[fgo + 2]; 1578 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1579 bg8 = R3G3B2(r0, g0, b0); 1580 fg8 = R3G3B2(r1, g1, b1); 1581 1582 r128fb_wait(sc, 16); 1583 1584 for (i = 0; i < ri->ri_fontscale; i++) { 1585 aval = *data8; 1586 if (aval == 0) { 1587 pixel = bg8; 1588 } else if (aval == 255) { 1589 pixel = fg8; 1590 } else { 1591 r = aval * r1 + (255 - aval) * r0; 1592 g = aval * g1 + (255 - aval) * g0; 1593 b = aval * b1 + (255 - aval) * b0; 1594 pixel = ((r & 0xe000) >> 8) | 1595 ((g & 0xe000) >> 11) | 1596 ((b & 0xc000) >> 14); 1597 } 1598 latch = (latch << 8) | pixel; 1599 /* write in 32bit chunks */ 1600 if ((i & 3) == 3) { 1601 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1602 R128_HOST_DATA0, latch); 1603 /* 1604 * not strictly necessary, old data should be shifted 1605 * out 1606 */ 1607 latch = 0; 1608 cnt++; 1609 if (cnt > 15) { 1610 r128fb_wait(sc, 16); 1611 cnt = 0; 1612 } 1613 } 1614 data8++; 1615 } 1616 /* if we have pixels left in latch write them out */ 1617 if ((i & 3) != 0) { 1618 latch = latch << ((4 - (i & 3)) << 3); 1619 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1620 R128_HOST_DATA0, latch); 1621 } 1622 if (rv == GC_ADD) { 1623 glyphcache_add(&sc->sc_gc, c, x, y); 1624 } 1625 } 1626 #endif 1627 1628 static void 1629 cg14_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1630 { 1631 struct rasops_info *ri = cookie; 1632 struct vcons_screen *scr = ri->ri_hw; 1633 struct cgfourteen_softc *sc = scr->scr_cookie; 1634 int32_t xs, xd, y, width, height; 1635 1636 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1637 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1638 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1639 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1640 width = ri->ri_font->fontwidth * ncols; 1641 height = ri->ri_font->fontheight; 1642 cg14_bitblt(sc, xs, y, xd, y, width, height, 0x0c); 1643 } 1644 } 1645 1646 static void 1647 cg14_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1648 { 1649 struct rasops_info *ri = cookie; 1650 struct vcons_screen *scr = ri->ri_hw; 1651 struct cgfourteen_softc *sc = scr->scr_cookie; 1652 int32_t x, y, width, height, fg, bg, ul; 1653 1654 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1655 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1656 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1657 width = ri->ri_font->fontwidth * ncols; 1658 height = ri->ri_font->fontheight; 1659 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1660 1661 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1662 } 1663 } 1664 1665 static void 1666 cg14_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1667 { 1668 struct rasops_info *ri = cookie; 1669 struct vcons_screen *scr = ri->ri_hw; 1670 struct cgfourteen_softc *sc = scr->scr_cookie; 1671 int32_t x, ys, yd, width, height; 1672 1673 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1674 x = ri->ri_xorigin; 1675 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1676 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1677 width = ri->ri_emuwidth; 1678 height = ri->ri_font->fontheight * nrows; 1679 cg14_bitblt(sc, x, ys, x, yd, width, height, 0x0c); 1680 } 1681 } 1682 1683 static void 1684 cg14_eraserows(void *cookie, int row, int nrows, long fillattr) 1685 { 1686 struct rasops_info *ri = cookie; 1687 struct vcons_screen *scr = ri->ri_hw; 1688 struct cgfourteen_softc *sc = scr->scr_cookie; 1689 int32_t x, y, width, height, fg, bg, ul; 1690 1691 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1692 x = ri->ri_xorigin; 1693 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1694 width = ri->ri_emuwidth; 1695 height = ri->ri_font->fontheight * nrows; 1696 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1697 1698 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1699 } 1700 } 1701 1702 #endif /* NSX > 0 */ 1703 1704 #endif 1705
Indexes created Mon Sep 29 21:09:56 GMT 2025