cgfourteen.c revision 1.73
1 /* $NetBSD: cgfourteen.c,v 1.73 2013/05/29 22:26:39 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 cgfourteenopen, cgfourteenclose, noread, nowrite, cgfourteenioctl, 124 nostop, notty, cgfourteenpoll, cgfourteenmmap, nokqfilter, 125 }; 126 127 /* frame buffer generic driver */ 128 static struct fbdriver cgfourteenfbdriver = { 129 cgfourteenunblank, cgfourteenopen, cgfourteenclose, cgfourteenioctl, 130 cgfourteenpoll, cgfourteenmmap, nokqfilter 131 }; 132 133 static void cg14_set_video(struct cgfourteen_softc *, int); 134 static int cg14_get_video(struct cgfourteen_softc *); 135 static int cg14_get_cmap(struct fbcmap *, union cg14cmap *, int); 136 static int cg14_put_cmap(struct fbcmap *, union cg14cmap *, int); 137 static void cg14_load_hwcmap(struct cgfourteen_softc *, int, int); 138 static void cg14_init(struct cgfourteen_softc *); 139 static void cg14_reset(struct cgfourteen_softc *); 140 141 #if NWSDISPLAY > 0 142 static void cg14_setup_wsdisplay(struct cgfourteen_softc *, int); 143 static void cg14_init_cmap(struct cgfourteen_softc *); 144 static int cg14_putcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 145 static int cg14_getcmap(struct cgfourteen_softc *, struct wsdisplay_cmap *); 146 static void cg14_set_depth(struct cgfourteen_softc *, int); 147 static void cg14_move_cursor(struct cgfourteen_softc *, int, int); 148 static int cg14_do_cursor(struct cgfourteen_softc *, 149 struct wsdisplay_cursor *); 150 151 #if NSX > 0 152 static void cg14_wait_idle(struct cgfourteen_softc *); 153 static void cg14_rectfill(struct cgfourteen_softc *, int, int, int, int, 154 uint32_t); 155 static void cg14_invert(struct cgfourteen_softc *, int, int, int, int); 156 static void cg14_bitblt(void *, int, int, int, int, int, int, int); 157 158 #if 0 159 static void cg14_putchar_aa(void *, int, int, u_int, long); 160 #endif 161 static void cg14_cursor(void *, int, int, int); 162 static void cg14_putchar(void *, int, int, u_int, long); 163 static void cg14_copycols(void *, int, int, int, int); 164 static void cg14_erasecols(void *, int, int, int, long); 165 static void cg14_copyrows(void *, int, int, int); 166 static void cg14_eraserows(void *, int, int, long); 167 #endif /* NSX > 0 */ 168 169 #endif 170 171 /* 172 * Match a cgfourteen. 173 */ 174 int 175 cgfourteenmatch(device_t parent, struct cfdata *cf, void *aux) 176 { 177 union obio_attach_args *uoba = aux; 178 struct sbus_attach_args *sa = &uoba->uoba_sbus; 179 180 /* 181 * The cgfourteen is a local-bus video adaptor, accessed directly 182 * via the processor, and not through device space or an external 183 * bus. Thus we look _only_ at the obio bus. 184 * Additionally, these things exist only on the Sun4m. 185 */ 186 187 if (uoba->uoba_isobio4 != 0 || !CPU_ISSUN4M) 188 return (0); 189 190 /* Check driver name */ 191 return (strcmp(cf->cf_name, sa->sa_name) == 0); 192 } 193 194 /* 195 * Set COLOUR_OFFSET to the offset of the video RAM. This is to provide 196 * space for faked overlay junk for the cg8 emulation. 197 * 198 * As it happens, this value is correct for both cg3 and cg8 emulation! 199 */ 200 #define COLOUR_OFFSET (256*1024) 201 202 #if NWSDISPLAY > 0 203 static int cg14_ioctl(void *, void *, u_long, void *, int, struct lwp *); 204 static paddr_t cg14_mmap(void *, void *, off_t, int); 205 static void cg14_init_screen(void *, struct vcons_screen *, int, long *); 206 207 208 struct wsdisplay_accessops cg14_accessops = { 209 cg14_ioctl, 210 cg14_mmap, 211 NULL, /* alloc_screen */ 212 NULL, /* free_screen */ 213 NULL, /* show_screen */ 214 NULL, /* load_font */ 215 NULL, /* pollc */ 216 NULL /* scroll */ 217 }; 218 #endif 219 220 /* 221 * Attach a display. We need to notice if it is the console, too. 222 */ 223 void 224 cgfourteenattach(device_t parent, device_t self, void *aux) 225 { 226 union obio_attach_args *uoba = aux; 227 struct sbus_attach_args *sa = &uoba->uoba_sbus; 228 struct cgfourteen_softc *sc = device_private(self); 229 struct fbdevice *fb = &sc->sc_fb; 230 bus_space_handle_t bh; 231 int node, ramsize; 232 volatile uint32_t *lut; 233 int i, isconsole, items; 234 uint32_t fbva[2] = {0, 0}; 235 uint32_t *ptr = fbva; 236 #if NSX > 0 237 device_t dv; 238 deviter_t di; 239 #endif 240 241 sc->sc_dev = self; 242 sc->sc_opens = 0; 243 node = sa->sa_node; 244 245 /* Remember cookies for cgfourteenmmap() */ 246 sc->sc_bustag = sa->sa_bustag; 247 248 fb->fb_driver = &cgfourteenfbdriver; 249 fb->fb_device = sc->sc_dev; 250 /* Mask out invalid flags from the user. */ 251 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 252 253 fb->fb_type.fb_type = FBTYPE_MDICOLOR; 254 fb->fb_type.fb_depth = 32; 255 256 fb_setsize_obp(fb, sc->sc_fb.fb_type.fb_depth, 1152, 900, node); 257 ramsize = roundup(fb->fb_type.fb_height * fb->fb_linebytes, NBPG); 258 259 fb->fb_type.fb_cmsize = CG14_CLUT_SIZE; 260 fb->fb_type.fb_size = ramsize + COLOUR_OFFSET; 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; 271 272 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 ramsize, 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 } else if (sc->sc_sx == NULL) { 559 return -1; 560 } else if (off >= CG14_SXREG_VOFF && 561 off < (CG14_SXREG_VOFF + 0x400)) { 562 return (bus_space_mmap(sc->sc_sx->sc_tag, sc->sc_sx->sc_uregs, 563 0, prot, BUS_SPACE_MAP_LINEAR)); 564 } else if (off >= CG14_SXIO_VOFF && 565 off < (CG14_SXIO_VOFF + 0x03ffffff)) { 566 return (bus_space_mmap(sc->sc_sx->sc_tag, 0x800000000LL, 567 sc->sc_fb_paddr, prot, BUS_SPACE_MAP_LINEAR)); 568 #endif 569 } else 570 return -1; 571 /* 572 * for convenience we also map the SX ranges here: 573 * - one page userland registers 574 * - CG14-sized IO space at 0x800000000 ( not a typo, it's above 4GB ) 575 * bus_space_mmap() should accept 64bit bus_addr_t's by the look of it 576 */ 577 return (bus_space_mmap(sc->sc_bustag, offset, off, prot, 578 BUS_SPACE_MAP_LINEAR)); 579 } 580 581 int 582 cgfourteenpoll(dev_t dev, int events, struct lwp *l) 583 { 584 585 return (seltrue(dev, events, l)); 586 } 587 588 /* 589 * Miscellaneous helper functions 590 */ 591 592 /* Initialize the framebuffer, storing away useful state for later reset */ 593 static void 594 cg14_init(struct cgfourteen_softc *sc) 595 { 596 #if 0 597 volatile uint32_t *clut; 598 volatile uint8_t *xlut; 599 int i; 600 601 /* 602 * We stash away the following to restore on close: 603 * 604 * color look-up table 1 (sc->sc_saveclut) 605 * x look-up table (sc->sc_savexlut) 606 * control register (sc->sc_savectl) 607 * cursor control register (sc->sc_savehwc) 608 */ 609 sc->sc_savectl = sc->sc_ctl->ctl_mctl; 610 sc->sc_savehwc = sc->sc_hwc->curs_ctl; 611 612 clut = (volatile uint32_t *) sc->sc_clut1->clut_lut; 613 xlut = (volatile uint8_t *) sc->sc_xlut->xlut_lut; 614 for (i = 0; i < CG14_CLUT_SIZE; i++) { 615 sc->sc_saveclut.cm_chip[i] = clut[i]; 616 sc->sc_savexlut[i] = xlut[i]; 617 } 618 619 /* 620 * Enable the video and put it in 8 bit mode 621 */ 622 sc->sc_ctl->ctl_mctl = CG14_MCTL_ENABLEVID | CG14_MCTL_PIXMODE_8 | 623 CG14_MCTL_POWERCTL; 624 #else 625 cg14_set_depth(sc, 32); 626 #endif 627 } 628 629 static void 630 /* Restore the state saved on cg14_init */ 631 cg14_reset(struct cgfourteen_softc *sc) 632 { 633 #if 0 634 volatile uint32_t *clut; 635 volatile uint8_t *xlut; 636 int i; 637 638 /* 639 * We restore the following, saved in cg14_init: 640 * 641 * color look-up table 1 (sc->sc_saveclut) 642 * x look-up table (sc->sc_savexlut) 643 * control register (sc->sc_savectl) 644 * cursor control register (sc->sc_savehwc) 645 * 646 * Note that we don't touch the video enable bits in the 647 * control register; otherwise, screenblank wouldn't work. 648 */ 649 sc->sc_ctl->ctl_mctl = (sc->sc_ctl->ctl_mctl & (CG14_MCTL_ENABLEVID | 650 CG14_MCTL_POWERCTL)) | 651 (sc->sc_savectl & ~(CG14_MCTL_ENABLEVID | 652 CG14_MCTL_POWERCTL)); 653 sc->sc_hwc->curs_ctl = sc->sc_savehwc; 654 655 clut = sc->sc_clut1->clut_lut; 656 xlut = sc->sc_xlut->xlut_lut; 657 for (i = 0; i < CG14_CLUT_SIZE; i++) { 658 clut[i] = sc->sc_saveclut.cm_chip[i]; 659 xlut[i] = sc->sc_savexlut[i]; 660 } 661 #else 662 cg14_set_depth(sc, 8); 663 #endif 664 } 665 666 /* Enable/disable video display; power down monitor if DPMS-capable */ 667 static void 668 cg14_set_video(struct cgfourteen_softc *sc, int enable) 669 { 670 /* 671 * We can only use DPMS to power down the display if the chip revision 672 * is greater than 0. 673 */ 674 if (enable) { 675 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 676 sc->sc_ctl->ctl_mctl |= (CG14_MCTL_ENABLEVID | 677 CG14_MCTL_POWERCTL); 678 else 679 sc->sc_ctl->ctl_mctl |= CG14_MCTL_ENABLEVID; 680 } else { 681 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 682 sc->sc_ctl->ctl_mctl &= ~(CG14_MCTL_ENABLEVID | 683 CG14_MCTL_POWERCTL); 684 else 685 sc->sc_ctl->ctl_mctl &= ~CG14_MCTL_ENABLEVID; 686 } 687 } 688 689 /* Get status of video display */ 690 static int 691 cg14_get_video(struct cgfourteen_softc *sc) 692 { 693 return ((sc->sc_ctl->ctl_mctl & CG14_MCTL_ENABLEVID) != 0); 694 } 695 696 /* Read the software shadow colormap */ 697 static int 698 cg14_get_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 699 { 700 u_int i, start, count; 701 u_char *cp; 702 int error; 703 704 start = p->index; 705 count = p->count; 706 if (start >= cmsize || count > cmsize - start) 707 return (EINVAL); 708 709 for (cp = &cm->cm_map[start][0], i = 0; i < count; cp += 4, i++) { 710 error = copyout(&cp[3], &p->red[i], 1); 711 if (error) 712 return error; 713 error = copyout(&cp[2], &p->green[i], 1); 714 if (error) 715 return error; 716 error = copyout(&cp[1], &p->blue[i], 1); 717 if (error) 718 return error; 719 } 720 return (0); 721 } 722 723 /* Write the software shadow colormap */ 724 static int 725 cg14_put_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 726 { 727 u_int i, start, count; 728 u_char *cp; 729 u_char cmap[256][4]; 730 int error; 731 732 start = p->index; 733 count = p->count; 734 if (start >= cmsize || count > cmsize - start) 735 return (EINVAL); 736 737 memcpy(&cmap, &cm->cm_map, sizeof cmap); 738 for (cp = &cmap[start][0], i = 0; i < count; cp += 4, i++) { 739 error = copyin(&p->red[i], &cp[3], 1); 740 if (error) 741 return error; 742 error = copyin(&p->green[i], &cp[2], 1); 743 if (error) 744 return error; 745 error = copyin(&p->blue[i], &cp[1], 1); 746 if (error) 747 return error; 748 cp[0] = 0; /* no alpha channel */ 749 } 750 memcpy(&cm->cm_map, &cmap, sizeof cmap); 751 return (0); 752 } 753 754 static void 755 cg14_load_hwcmap(struct cgfourteen_softc *sc, int start, int ncolors) 756 { 757 /* XXX switch to auto-increment, and on retrace intr */ 758 759 /* Setup pointers to source and dest */ 760 uint32_t *colp = &sc->sc_cmap.cm_chip[start]; 761 volatile uint32_t *lutp = &sc->sc_clut1->clut_lut[start]; 762 763 /* Copy by words */ 764 while (--ncolors >= 0) 765 *lutp++ = *colp++; 766 } 767 768 #if NWSDISPLAY > 0 769 static void 770 cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons) 771 { 772 struct wsemuldisplaydev_attach_args aa; 773 struct rasops_info *ri; 774 long defattr; 775 776 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 777 "default", 778 0, 0, 779 NULL, 780 8, 16, 781 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 782 NULL 783 }; 784 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 785 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 786 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 787 vcons_init(&sc->sc_vd, sc, &sc->sc_defaultscreen_descr, 788 &cg14_accessops); 789 sc->sc_vd.init_screen = cg14_init_screen; 790 791 ri = &sc->sc_console_screen.scr_ri; 792 793 if (is_cons) { 794 vcons_init_screen(&sc->sc_vd, &sc->sc_console_screen, 1, 795 &defattr); 796 797 /* clear the screen with the default background colour */ 798 memset(sc->sc_fb.fb_pixels, 799 (defattr >> 16) & 0xff, 800 ri->ri_stride * ri->ri_height); 801 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 802 803 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 804 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 805 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 806 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 807 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 808 defattr); 809 vcons_replay_msgbuf(&sc->sc_console_screen); 810 } else { 811 /* 812 * since we're not the console we can postpone the rest 813 * until someone actually allocates a screen for us 814 */ 815 } 816 817 cg14_init_cmap(sc); 818 819 aa.console = is_cons; 820 aa.scrdata = &sc->sc_screenlist; 821 aa.accessops = &cg14_accessops; 822 aa.accesscookie = &sc->sc_vd; 823 824 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 825 } 826 827 static void 828 cg14_init_cmap(struct cgfourteen_softc *sc) 829 { 830 int i, j = 0; 831 832 for (i = 0; i < 256; i++) { 833 834 sc->sc_cmap.cm_map[i][3] = rasops_cmap[j]; 835 sc->sc_cmap.cm_map[i][2] = rasops_cmap[j + 1]; 836 sc->sc_cmap.cm_map[i][1] = rasops_cmap[j + 2]; 837 j += 3; 838 } 839 cg14_load_hwcmap(sc, 0, 256); 840 } 841 842 static int 843 cg14_putcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 844 { 845 u_int index = cm->index; 846 u_int count = cm->count; 847 int i, error; 848 u_char rbuf[256], gbuf[256], bbuf[256]; 849 850 if (cm->index >= 256 || cm->count > 256 || 851 (cm->index + cm->count) > 256) 852 return EINVAL; 853 error = copyin(cm->red, &rbuf[index], count); 854 if (error) 855 return error; 856 error = copyin(cm->green, &gbuf[index], count); 857 if (error) 858 return error; 859 error = copyin(cm->blue, &bbuf[index], count); 860 if (error) 861 return error; 862 863 for (i = 0; i < count; i++) { 864 sc->sc_cmap.cm_map[index][3] = rbuf[index]; 865 sc->sc_cmap.cm_map[index][2] = gbuf[index]; 866 sc->sc_cmap.cm_map[index][1] = bbuf[index]; 867 868 index++; 869 } 870 cg14_load_hwcmap(sc, 0, 256); 871 return 0; 872 } 873 874 static int 875 cg14_getcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 876 { 877 uint8_t rbuf[256], gbuf[256], bbuf[256]; 878 u_int index = cm->index; 879 u_int count = cm->count; 880 int error, i; 881 882 if (index >= 255 || count > 256 || index + count > 256) 883 return EINVAL; 884 885 886 for (i = 0; i < count; i++) { 887 rbuf[i] = sc->sc_cmap.cm_map[index][3]; 888 gbuf[i] = sc->sc_cmap.cm_map[index][2]; 889 bbuf[i] = sc->sc_cmap.cm_map[index][1]; 890 891 index++; 892 } 893 error = copyout(rbuf, cm->red, count); 894 if (error) 895 return error; 896 error = copyout(gbuf, cm->green, count); 897 if (error) 898 return error; 899 error = copyout(bbuf, cm->blue, count); 900 if (error) 901 return error; 902 903 return 0; 904 } 905 906 static int 907 cg14_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 908 struct lwp *l) 909 { 910 struct vcons_data *vd = v; 911 struct cgfourteen_softc *sc = vd->cookie; 912 struct wsdisplay_fbinfo *wdf; 913 struct vcons_screen *ms = vd->active; 914 915 switch (cmd) { 916 917 case WSDISPLAYIO_GTYPE: 918 *(uint32_t *)data = WSDISPLAY_TYPE_SUNCG14; 919 return 0; 920 921 case WSDISPLAYIO_GINFO: 922 wdf = (void *)data; 923 wdf->height = ms->scr_ri.ri_height; 924 wdf->width = ms->scr_ri.ri_width; 925 wdf->depth = 32; 926 wdf->cmsize = 256; 927 return 0; 928 929 case WSDISPLAYIO_GETCMAP: 930 return cg14_getcmap(sc, 931 (struct wsdisplay_cmap *)data); 932 933 case WSDISPLAYIO_PUTCMAP: 934 return cg14_putcmap(sc, 935 (struct wsdisplay_cmap *)data); 936 937 case WSDISPLAYIO_LINEBYTES: 938 *(u_int *)data = ms->scr_ri.ri_stride << 2; 939 return 0; 940 941 case WSDISPLAYIO_SMODE: 942 { 943 int new_mode = *(int*)data; 944 if (new_mode != sc->sc_mode) { 945 sc->sc_mode = new_mode; 946 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 947 bus_space_write_1(sc->sc_bustag, 948 sc->sc_regh, 949 CG14_CURSOR_CONTROL, 0); 950 951 cg14_set_depth(sc, 8); 952 cg14_init_cmap(sc); 953 vcons_redraw_screen(ms); 954 } else { 955 956 cg14_set_depth(sc, 32); 957 } 958 } 959 } 960 return 0; 961 case WSDISPLAYIO_SVIDEO: 962 cg14_set_video(sc, *(int *)data); 963 return 0; 964 case WSDISPLAYIO_GVIDEO: 965 return cg14_get_video(sc) ? 966 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 967 case WSDISPLAYIO_GCURPOS: 968 { 969 struct wsdisplay_curpos *cp = (void *)data; 970 971 cp->x = sc->sc_cursor.cc_pos.x; 972 cp->y = sc->sc_cursor.cc_pos.y; 973 } 974 return 0; 975 case WSDISPLAYIO_SCURPOS: 976 { 977 struct wsdisplay_curpos *cp = (void *)data; 978 979 cg14_move_cursor(sc, cp->x, cp->y); 980 } 981 return 0; 982 case WSDISPLAYIO_GCURMAX: 983 { 984 struct wsdisplay_curpos *cp = (void *)data; 985 986 cp->x = 32; 987 cp->y = 32; 988 } 989 return 0; 990 case WSDISPLAYIO_SCURSOR: 991 { 992 struct wsdisplay_cursor *cursor = (void *)data; 993 994 return cg14_do_cursor(sc, cursor); 995 } 996 case PCI_IOC_CFGREAD: 997 case PCI_IOC_CFGWRITE: 998 return EINVAL; 999 1000 } 1001 return EPASSTHROUGH; 1002 } 1003 1004 static paddr_t 1005 cg14_mmap(void *v, void *vs, off_t offset, int prot) 1006 { 1007 struct vcons_data *vd = v; 1008 struct cgfourteen_softc *sc = vd->cookie; 1009 1010 /* allow mmap()ing the full framebuffer, not just what we use */ 1011 if (offset < sc->sc_vramsize) 1012 return bus_space_mmap(sc->sc_bustag, 1013 BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 1014 sc->sc_physadr[CG14_PXL_IDX].sbr_offset), 1015 offset + CG14_FB_CBGR, prot, BUS_SPACE_MAP_LINEAR); 1016 1017 return -1; 1018 } 1019 1020 static void 1021 cg14_init_screen(void *cookie, struct vcons_screen *scr, 1022 int existing, long *defattr) 1023 { 1024 struct cgfourteen_softc *sc = cookie; 1025 struct rasops_info *ri = &scr->scr_ri; 1026 1027 ri->ri_depth = 8; 1028 ri->ri_width = sc->sc_fb.fb_type.fb_width; 1029 ri->ri_height = sc->sc_fb.fb_type.fb_height; 1030 ri->ri_stride = ri->ri_width; 1031 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 1032 1033 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 1034 #if NSX > 0 1035 /* 1036 * unaligned copies with horizontal overlap are slow, so don't bother 1037 * handling them in cg14_bitblt() and use putchar() instead 1038 */ 1039 if (sc->sc_sx != NULL) { 1040 scr->scr_flags |= VCONS_NO_COPYCOLS; 1041 } else 1042 #endif 1043 scr->scr_flags |= VCONS_DONT_READ; 1044 1045 if (existing) { 1046 ri->ri_flg |= RI_CLEAR; 1047 } 1048 1049 rasops_init(ri, 0, 0); 1050 ri->ri_caps = WSSCREEN_WSCOLORS; 1051 1052 rasops_reconfig(ri, 1053 sc->sc_fb.fb_type.fb_height / ri->ri_font->fontheight, 1054 sc->sc_fb.fb_type.fb_width / ri->ri_font->fontwidth); 1055 1056 ri->ri_hw = scr; 1057 #if NSX > 0 1058 if (sc->sc_sx != NULL) { 1059 ri->ri_ops.copyrows = cg14_copyrows; 1060 ri->ri_ops.copycols = cg14_copycols; 1061 ri->ri_ops.eraserows = cg14_eraserows; 1062 ri->ri_ops.erasecols = cg14_erasecols; 1063 ri->ri_ops.cursor = cg14_cursor; 1064 #if 0 1065 if (FONT_IS_ALPHA(ri->ri_font)) { 1066 ri->ri_ops.putchar = cg14_putchar_aa; 1067 } else 1068 #endif 1069 ri->ri_ops.putchar = cg14_putchar; 1070 } 1071 #endif /* NSX > 0 */ 1072 } 1073 1074 static void 1075 cg14_set_depth(struct cgfourteen_softc *sc, int depth) 1076 { 1077 int i; 1078 1079 if (sc->sc_depth == depth) 1080 return; 1081 1082 switch (depth) { 1083 case 8: 1084 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1085 CG14_MCTL, CG14_MCTL_ENABLEVID | 1086 CG14_MCTL_PIXMODE_8 | CG14_MCTL_POWERCTL); 1087 sc->sc_depth = 8; 1088 /* everything is CLUT1 */ 1089 for (i = 0; i < CG14_CLUT_SIZE; i++) 1090 sc->sc_xlut->xlut_lut[i] = 0; 1091 break; 1092 case 32: 1093 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1094 CG14_MCTL, CG14_MCTL_ENABLEVID | 1095 CG14_MCTL_PIXMODE_32 | CG14_MCTL_POWERCTL); 1096 sc->sc_depth = 32; 1097 for (i = 0; i < CG14_CLUT_SIZE; i++) 1098 sc->sc_xlut->xlut_lut[i] = 0; 1099 break; 1100 default: 1101 printf("%s: can't change to depth %d\n", 1102 device_xname(sc->sc_dev), depth); 1103 } 1104 } 1105 1106 static void 1107 cg14_move_cursor(struct cgfourteen_softc *sc, int x, int y) 1108 { 1109 uint32_t pos; 1110 1111 sc->sc_cursor.cc_pos.x = x; 1112 sc->sc_cursor.cc_pos.y = y; 1113 pos = ((sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x ) << 16) | 1114 ((sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y ) & 0xffff); 1115 bus_space_write_4(sc->sc_bustag, sc->sc_regh, CG14_CURSOR_X, pos); 1116 } 1117 1118 static int 1119 cg14_do_cursor(struct cgfourteen_softc *sc, struct wsdisplay_cursor *cur) 1120 { 1121 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1122 1123 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1124 CG14_CURSOR_CONTROL, cur->enable ? CG14_CRSR_ENABLE : 0); 1125 } 1126 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1127 1128 sc->sc_cursor.cc_hot.x = cur->hot.x; 1129 sc->sc_cursor.cc_hot.y = cur->hot.y; 1130 cur->which |= WSDISPLAY_CURSOR_DOPOS; 1131 } 1132 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1133 1134 cg14_move_cursor(sc, cur->pos.x, cur->pos.y); 1135 } 1136 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1137 int i; 1138 uint32_t val; 1139 1140 for (i = 0; i < min(cur->cmap.count, 3); i++) { 1141 val = (cur->cmap.red[i] ) | 1142 (cur->cmap.green[i] << 8) | 1143 (cur->cmap.blue[i] << 16); 1144 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1145 CG14_CURSOR_COLOR1 + ((i + cur->cmap.index) << 2), 1146 val); 1147 } 1148 } 1149 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1150 uint32_t buffer[32], latch, tmp; 1151 int i; 1152 1153 copyin(cur->mask, buffer, 128); 1154 for (i = 0; i < 32; i++) { 1155 latch = 0; 1156 tmp = buffer[i] & 0x80808080; 1157 latch |= tmp >> 7; 1158 tmp = buffer[i] & 0x40404040; 1159 latch |= tmp >> 5; 1160 tmp = buffer[i] & 0x20202020; 1161 latch |= tmp >> 3; 1162 tmp = buffer[i] & 0x10101010; 1163 latch |= tmp >> 1; 1164 tmp = buffer[i] & 0x08080808; 1165 latch |= tmp << 1; 1166 tmp = buffer[i] & 0x04040404; 1167 latch |= tmp << 3; 1168 tmp = buffer[i] & 0x02020202; 1169 latch |= tmp << 5; 1170 tmp = buffer[i] & 0x01010101; 1171 latch |= tmp << 7; 1172 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1173 CG14_CURSOR_PLANE0 + (i << 2), latch); 1174 } 1175 copyin(cur->image, buffer, 128); 1176 for (i = 0; i < 32; i++) { 1177 latch = 0; 1178 tmp = buffer[i] & 0x80808080; 1179 latch |= tmp >> 7; 1180 tmp = buffer[i] & 0x40404040; 1181 latch |= tmp >> 5; 1182 tmp = buffer[i] & 0x20202020; 1183 latch |= tmp >> 3; 1184 tmp = buffer[i] & 0x10101010; 1185 latch |= tmp >> 1; 1186 tmp = buffer[i] & 0x08080808; 1187 latch |= tmp << 1; 1188 tmp = buffer[i] & 0x04040404; 1189 latch |= tmp << 3; 1190 tmp = buffer[i] & 0x02020202; 1191 latch |= tmp << 5; 1192 tmp = buffer[i] & 0x01010101; 1193 latch |= tmp << 7; 1194 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1195 CG14_CURSOR_PLANE1 + (i << 2), latch); 1196 } 1197 } 1198 return 0; 1199 } 1200 1201 #if NSX > 0 1202 1203 static void 1204 cg14_wait_idle(struct cgfourteen_softc *sc) 1205 { 1206 } 1207 1208 static void 1209 cg14_rectfill(struct cgfourteen_softc *sc, int x, int y, int wi, int he, 1210 uint32_t colour) 1211 { 1212 uint32_t addr, pptr; 1213 int line, cnt, pre, words; 1214 int stride = sc->sc_fb.fb_type.fb_width; 1215 1216 addr = sc->sc_fb_paddr + x + stride * y; 1217 sx_write(sc->sc_sx, SX_QUEUED(8), colour); 1218 sx_write(sc->sc_sx, SX_QUEUED(9), colour); 1219 /* 1220 * Calculate the number of pixels we need to do one by one 1221 * until we're 32bit aligned, then do the rest in 32bit 1222 * mode. Assumes that stride is always a multiple of 4. 1223 */ 1224 /* TODO: use 32bit writes with byte mask instead */ 1225 pre = addr & 3; 1226 if (pre != 0) pre = 4 - pre; 1227 for (line = 0; line < he; line++) { 1228 pptr = addr; 1229 cnt = wi; 1230 if (pre) { 1231 sta(pptr, ASI_SX, SX_STBS(8, pre - 1, pptr & 7)); 1232 pptr += pre; 1233 cnt -= pre; 1234 } 1235 /* now do the aligned pixels in 32bit chunks */ 1236 while(cnt > 31) { 1237 words = min(32, cnt >> 2); 1238 sta(pptr, ASI_SX, SX_STS(8, words - 1, pptr & 7)); 1239 pptr += words << 2; 1240 cnt -= words << 2; 1241 } 1242 /* do any remaining pixels byte-wise again */ 1243 if (cnt > 0) 1244 sta(pptr, ASI_SX, SX_STBS(8, cnt - 1, pptr & 7)); 1245 addr += stride; 1246 } 1247 } 1248 1249 static void 1250 cg14_invert(struct cgfourteen_softc *sc, int x, int y, int wi, int he) 1251 { 1252 uint32_t addr, pptr; 1253 int line, cnt, pre, words; 1254 int stride = sc->sc_fb.fb_type.fb_width; 1255 1256 addr = sc->sc_fb_paddr + x + stride * y; 1257 sx_write(sc->sc_sx, SX_ROP_CONTROL, 0x33); /* ~src a */ 1258 /* 1259 * Calculate the number of pixels we need to do one by one 1260 * until we're 32bit aligned, then do the rest in 32bit 1261 * mode. Assumes that stride is always a multiple of 4. 1262 */ 1263 /* TODO: use 32bit writes with byte mask instead */ 1264 pre = addr & 3; 1265 if (pre != 0) pre = 4 - pre; 1266 for (line = 0; line < he; line++) { 1267 pptr = addr; 1268 cnt = wi; 1269 if (pre) { 1270 sta(pptr, ASI_SX, SX_LDB(8, pre - 1, pptr & 7)); 1271 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1272 SX_ROP(8, 8, 32, pre - 1)); 1273 sta(pptr, ASI_SX, SX_STB(32, pre - 1, pptr & 7)); 1274 pptr += pre; 1275 cnt -= pre; 1276 } 1277 /* now do the aligned pixels in 32bit chunks */ 1278 while(cnt > 15) { 1279 words = min(16, cnt >> 2); 1280 sta(pptr, ASI_SX, SX_LD(8, words - 1, pptr & 7)); 1281 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1282 SX_ROP(8, 8, 32, words - 1)); 1283 sta(pptr, ASI_SX, SX_ST(32, words - 1, pptr & 7)); 1284 pptr += words << 2; 1285 cnt -= words << 2; 1286 } 1287 /* do any remaining pixels byte-wise again */ 1288 if (cnt > 0) 1289 sta(pptr, ASI_SX, SX_LDB(8, cnt - 1, pptr & 7)); 1290 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1291 SX_ROP(8, 8, 32, cnt - 1)); 1292 sta(pptr, ASI_SX, SX_STB(32, cnt - 1, pptr & 7)); 1293 addr += stride; 1294 } 1295 } 1296 1297 static inline void 1298 cg14_slurp(int reg, uint32_t addr, int cnt) 1299 { 1300 int num; 1301 while (cnt > 0) { 1302 num = min(32, cnt); 1303 sta(addr, ASI_SX, SX_LD(reg, num - 1, addr & 7)); 1304 cnt -= num; 1305 reg += num; 1306 addr += (num << 2); 1307 } 1308 } 1309 1310 static inline void 1311 cg14_spit(int reg, uint32_t addr, int cnt) 1312 { 1313 int num; 1314 while (cnt > 0) { 1315 num = min(32, cnt); 1316 sta(addr, ASI_SX, SX_ST(reg, num - 1, addr & 7)); 1317 cnt -= num; 1318 reg += num; 1319 addr += (num << 2); 1320 } 1321 } 1322 1323 static void 1324 cg14_bitblt(void *cookie, int xs, int ys, int xd, int yd, 1325 int wi, int he, int rop) 1326 { 1327 struct cgfourteen_softc *sc = cookie; 1328 uint32_t saddr, daddr, sptr, dptr; 1329 int line, cnt, stride = sc->sc_fb.fb_type.fb_width; 1330 int num, words, skip; 1331 1332 if (ys < yd) { 1333 /* need to go bottom-up */ 1334 saddr = sc->sc_fb_paddr + xs + stride * (ys + he - 1); 1335 daddr = sc->sc_fb_paddr + xd + stride * (yd + he - 1); 1336 skip = -stride; 1337 } else { 1338 saddr = sc->sc_fb_paddr + xs + stride * ys; 1339 daddr = sc->sc_fb_paddr + xd + stride * yd; 1340 skip = stride; 1341 } 1342 1343 if ((saddr & 3) == (daddr & 3)) { 1344 int pre = saddr & 3; /* pixels to copy byte-wise */ 1345 if (pre != 0) pre = 4 - pre; 1346 for (line = 0; line < he; line++) { 1347 sptr = saddr; 1348 dptr = daddr; 1349 cnt = wi; 1350 if (pre > 0) { 1351 sta(sptr, ASI_SX, 1352 SX_LDB(32, pre - 1, sptr & 7)); 1353 sta(dptr, ASI_SX, 1354 SX_STB(32, pre - 1, dptr & 7)); 1355 cnt -= pre; 1356 sptr += pre; 1357 dptr += pre; 1358 } 1359 words = cnt >> 2; 1360 while(cnt > 3) { 1361 num = min(120, words); 1362 cg14_slurp(8, sptr, num); 1363 cg14_spit(8, dptr, num); 1364 sptr += num << 2; 1365 dptr += num << 2; 1366 cnt -= num << 2; 1367 } 1368 if (cnt > 0) { 1369 sta(sptr, ASI_SX, 1370 SX_LDB(32, cnt - 1, sptr & 7)); 1371 sta(dptr, ASI_SX, 1372 SX_STB(32, cnt - 1, dptr & 7)); 1373 } 1374 saddr += skip; 1375 daddr += skip; 1376 } 1377 } else { 1378 /* unaligned, have to use byte mode */ 1379 /* funnel shifter & byte mask trickery? */ 1380 for (line = 0; line < he; line++) { 1381 sptr = saddr; 1382 dptr = daddr; 1383 cnt = wi; 1384 while(cnt > 31) { 1385 sta(sptr, ASI_SX, SX_LDB(32, 31, sptr & 7)); 1386 sta(dptr, ASI_SX, SX_STB(32, 31, dptr & 7)); 1387 sptr += 32; 1388 dptr += 32; 1389 cnt -= 32; 1390 } 1391 if (cnt > 0) { 1392 sta(sptr, ASI_SX, 1393 SX_LDB(32, cnt - 1, sptr & 7)); 1394 sta(dptr, ASI_SX, 1395 SX_STB(32, cnt - 1, dptr & 7)); 1396 } 1397 saddr += skip; 1398 daddr += skip; 1399 } 1400 } 1401 } 1402 1403 1404 static void 1405 cg14_putchar(void *cookie, int row, int col, u_int c, long attr) 1406 { 1407 struct rasops_info *ri = cookie; 1408 struct wsdisplay_font *font = PICK_FONT(ri, c); 1409 struct vcons_screen *scr = ri->ri_hw; 1410 struct cgfourteen_softc *sc = scr->scr_cookie; 1411 void *data; 1412 uint32_t fg, bg; 1413 int i, x, y, wi, he; 1414 uint32_t addr; 1415 int stride = sc->sc_fb.fb_type.fb_width; 1416 1417 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1418 return; 1419 1420 if (!CHAR_IN_FONT(c, font)) 1421 return; 1422 1423 wi = font->fontwidth; 1424 he = font->fontheight; 1425 1426 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1427 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1428 sx_write(sc->sc_sx, SX_QUEUED(8), bg); 1429 sx_write(sc->sc_sx, SX_QUEUED(9), fg); 1430 1431 x = ri->ri_xorigin + col * wi; 1432 y = ri->ri_yorigin + row * he; 1433 1434 if (c == 0x20) { 1435 cg14_rectfill(sc, x, y, wi, he, bg); 1436 return; 1437 } 1438 1439 data = WSFONT_GLYPH(c, font); 1440 addr = sc->sc_fb_paddr + x + stride * y; 1441 1442 switch (font->stride) { 1443 case 1: { 1444 uint8_t *data8 = data; 1445 uint32_t reg; 1446 for (i = 0; i < he; i++) { 1447 reg = *data8; 1448 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1449 reg << 24); 1450 sta(addr, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1451 data8++; 1452 addr += stride; 1453 } 1454 break; 1455 } 1456 case 2: { 1457 uint16_t *data16 = data; 1458 uint32_t reg; 1459 for (i = 0; i < he; i++) { 1460 reg = *data16; 1461 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1462 reg << 16); 1463 sta(addr, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1464 data16++; 1465 addr += stride; 1466 } 1467 break; 1468 } 1469 } 1470 } 1471 1472 static void 1473 cg14_cursor(void *cookie, int on, int row, int col) 1474 { 1475 struct rasops_info *ri = cookie; 1476 struct vcons_screen *scr = ri->ri_hw; 1477 struct cgfourteen_softc *sc = scr->scr_cookie; 1478 int x, y, wi, he; 1479 1480 wi = ri->ri_font->fontwidth; 1481 he = ri->ri_font->fontheight; 1482 1483 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1484 x = ri->ri_ccol * wi + ri->ri_xorigin; 1485 y = ri->ri_crow * he + ri->ri_yorigin; 1486 if (ri->ri_flg & RI_CURSOR) { 1487 cg14_invert(sc, x, y, wi, he); 1488 ri->ri_flg &= ~RI_CURSOR; 1489 } 1490 ri->ri_crow = row; 1491 ri->ri_ccol = col; 1492 if (on) { 1493 x = ri->ri_ccol * wi + ri->ri_xorigin; 1494 y = ri->ri_crow * he + ri->ri_yorigin; 1495 cg14_invert(sc, x, y, wi, he); 1496 ri->ri_flg |= RI_CURSOR; 1497 } 1498 } else { 1499 scr->scr_ri.ri_crow = row; 1500 scr->scr_ri.ri_ccol = col; 1501 scr->scr_ri.ri_flg &= ~RI_CURSOR; 1502 } 1503 1504 } 1505 1506 #if 0 1507 static void 1508 r128fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1509 { 1510 struct rasops_info *ri = cookie; 1511 struct wsdisplay_font *font = PICK_FONT(ri, c); 1512 struct vcons_screen *scr = ri->ri_hw; 1513 struct r128fb_softc *sc = scr->scr_cookie; 1514 uint32_t bg, latch = 0, bg8, fg8, pixel; 1515 int i, x, y, wi, he, r, g, b, aval; 1516 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1517 uint8_t *data8; 1518 int rv, cnt = 0; 1519 1520 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1521 return; 1522 1523 if (!CHAR_IN_FONT(c, font)) 1524 return; 1525 1526 wi = font->fontwidth; 1527 he = font->fontheight; 1528 1529 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1530 x = ri->ri_xorigin + col * wi; 1531 y = ri->ri_yorigin + row * he; 1532 if (c == 0x20) { 1533 r128fb_rectfill(sc, x, y, wi, he, bg); 1534 return; 1535 } 1536 1537 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1538 if (rv == GC_OK) 1539 return; 1540 1541 data8 = WSFONT_GLYPH(c, font); 1542 1543 r128fb_wait(sc, 5); 1544 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1545 R128_DP_GUI_MASTER_CNTL, 1546 R128_GMC_BRUSH_SOLID_COLOR | 1547 R128_GMC_SRC_DATATYPE_COLOR | 1548 R128_ROP3_S | 1549 R128_DP_SRC_SOURCE_HOST_DATA | 1550 sc->sc_master_cntl); 1551 1552 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1553 R128_DP_CNTL, 1554 R128_DST_Y_TOP_TO_BOTTOM | 1555 R128_DST_X_LEFT_TO_RIGHT); 1556 1557 /* needed? */ 1558 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 0); 1559 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 1560 (x << 16) | y); 1561 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 1562 (wi << 16) | he); 1563 1564 /* 1565 * we need the RGB colours here, so get offsets into rasops_cmap 1566 */ 1567 fgo = ((attr >> 24) & 0xf) * 3; 1568 bgo = ((attr >> 16) & 0xf) * 3; 1569 1570 r0 = rasops_cmap[bgo]; 1571 r1 = rasops_cmap[fgo]; 1572 g0 = rasops_cmap[bgo + 1]; 1573 g1 = rasops_cmap[fgo + 1]; 1574 b0 = rasops_cmap[bgo + 2]; 1575 b1 = rasops_cmap[fgo + 2]; 1576 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1577 bg8 = R3G3B2(r0, g0, b0); 1578 fg8 = R3G3B2(r1, g1, b1); 1579 1580 r128fb_wait(sc, 16); 1581 1582 for (i = 0; i < ri->ri_fontscale; i++) { 1583 aval = *data8; 1584 if (aval == 0) { 1585 pixel = bg8; 1586 } else if (aval == 255) { 1587 pixel = fg8; 1588 } else { 1589 r = aval * r1 + (255 - aval) * r0; 1590 g = aval * g1 + (255 - aval) * g0; 1591 b = aval * b1 + (255 - aval) * b0; 1592 pixel = ((r & 0xe000) >> 8) | 1593 ((g & 0xe000) >> 11) | 1594 ((b & 0xc000) >> 14); 1595 } 1596 latch = (latch << 8) | pixel; 1597 /* write in 32bit chunks */ 1598 if ((i & 3) == 3) { 1599 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1600 R128_HOST_DATA0, latch); 1601 /* 1602 * not strictly necessary, old data should be shifted 1603 * out 1604 */ 1605 latch = 0; 1606 cnt++; 1607 if (cnt > 15) { 1608 r128fb_wait(sc, 16); 1609 cnt = 0; 1610 } 1611 } 1612 data8++; 1613 } 1614 /* if we have pixels left in latch write them out */ 1615 if ((i & 3) != 0) { 1616 latch = latch << ((4 - (i & 3)) << 3); 1617 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1618 R128_HOST_DATA0, latch); 1619 } 1620 if (rv == GC_ADD) { 1621 glyphcache_add(&sc->sc_gc, c, x, y); 1622 } 1623 } 1624 #endif 1625 1626 static void 1627 cg14_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1628 { 1629 struct rasops_info *ri = cookie; 1630 struct vcons_screen *scr = ri->ri_hw; 1631 struct cgfourteen_softc *sc = scr->scr_cookie; 1632 int32_t xs, xd, y, width, height; 1633 1634 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1635 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1636 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1637 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1638 width = ri->ri_font->fontwidth * ncols; 1639 height = ri->ri_font->fontheight; 1640 cg14_bitblt(sc, xs, y, xd, y, width, height, 0x0c); 1641 } 1642 } 1643 1644 static void 1645 cg14_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1646 { 1647 struct rasops_info *ri = cookie; 1648 struct vcons_screen *scr = ri->ri_hw; 1649 struct cgfourteen_softc *sc = scr->scr_cookie; 1650 int32_t x, y, width, height, fg, bg, ul; 1651 1652 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1653 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1654 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1655 width = ri->ri_font->fontwidth * ncols; 1656 height = ri->ri_font->fontheight; 1657 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1658 1659 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1660 } 1661 } 1662 1663 static void 1664 cg14_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1665 { 1666 struct rasops_info *ri = cookie; 1667 struct vcons_screen *scr = ri->ri_hw; 1668 struct cgfourteen_softc *sc = scr->scr_cookie; 1669 int32_t x, ys, yd, width, height; 1670 1671 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1672 x = ri->ri_xorigin; 1673 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1674 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1675 width = ri->ri_emuwidth; 1676 height = ri->ri_font->fontheight * nrows; 1677 cg14_bitblt(sc, x, ys, x, yd, width, height, 0x0c); 1678 } 1679 } 1680 1681 static void 1682 cg14_eraserows(void *cookie, int row, int nrows, long fillattr) 1683 { 1684 struct rasops_info *ri = cookie; 1685 struct vcons_screen *scr = ri->ri_hw; 1686 struct cgfourteen_softc *sc = scr->scr_cookie; 1687 int32_t x, y, width, height, fg, bg, ul; 1688 1689 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1690 x = ri->ri_xorigin; 1691 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1692 width = ri->ri_emuwidth; 1693 height = ri->ri_font->fontheight * nrows; 1694 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1695 1696 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1697 } 1698 } 1699 1700 #endif /* NSX > 0 */ 1701 1702 #endif 1703
Indexes created Fri Sep 26 20:09:58 GMT 2025