cgfourteen.c revision 1.72
1 /* $NetBSD: cgfourteen.c,v 1.72 2013/02/12 22:24:47 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 } else 558 return -1; 559 return (bus_space_mmap(sc->sc_bustag, offset, off, prot, 560 BUS_SPACE_MAP_LINEAR)); 561 } 562 563 int 564 cgfourteenpoll(dev_t dev, int events, struct lwp *l) 565 { 566 567 return (seltrue(dev, events, l)); 568 } 569 570 /* 571 * Miscellaneous helper functions 572 */ 573 574 /* Initialize the framebuffer, storing away useful state for later reset */ 575 static void 576 cg14_init(struct cgfourteen_softc *sc) 577 { 578 #if 0 579 volatile uint32_t *clut; 580 volatile uint8_t *xlut; 581 int i; 582 583 /* 584 * We stash away the following to restore on close: 585 * 586 * color look-up table 1 (sc->sc_saveclut) 587 * x look-up table (sc->sc_savexlut) 588 * control register (sc->sc_savectl) 589 * cursor control register (sc->sc_savehwc) 590 */ 591 sc->sc_savectl = sc->sc_ctl->ctl_mctl; 592 sc->sc_savehwc = sc->sc_hwc->curs_ctl; 593 594 clut = (volatile uint32_t *) sc->sc_clut1->clut_lut; 595 xlut = (volatile uint8_t *) sc->sc_xlut->xlut_lut; 596 for (i = 0; i < CG14_CLUT_SIZE; i++) { 597 sc->sc_saveclut.cm_chip[i] = clut[i]; 598 sc->sc_savexlut[i] = xlut[i]; 599 } 600 601 /* 602 * Enable the video and put it in 8 bit mode 603 */ 604 sc->sc_ctl->ctl_mctl = CG14_MCTL_ENABLEVID | CG14_MCTL_PIXMODE_8 | 605 CG14_MCTL_POWERCTL; 606 #else 607 cg14_set_depth(sc, 32); 608 #endif 609 } 610 611 static void 612 /* Restore the state saved on cg14_init */ 613 cg14_reset(struct cgfourteen_softc *sc) 614 { 615 #if 0 616 volatile uint32_t *clut; 617 volatile uint8_t *xlut; 618 int i; 619 620 /* 621 * We restore the following, saved in cg14_init: 622 * 623 * color look-up table 1 (sc->sc_saveclut) 624 * x look-up table (sc->sc_savexlut) 625 * control register (sc->sc_savectl) 626 * cursor control register (sc->sc_savehwc) 627 * 628 * Note that we don't touch the video enable bits in the 629 * control register; otherwise, screenblank wouldn't work. 630 */ 631 sc->sc_ctl->ctl_mctl = (sc->sc_ctl->ctl_mctl & (CG14_MCTL_ENABLEVID | 632 CG14_MCTL_POWERCTL)) | 633 (sc->sc_savectl & ~(CG14_MCTL_ENABLEVID | 634 CG14_MCTL_POWERCTL)); 635 sc->sc_hwc->curs_ctl = sc->sc_savehwc; 636 637 clut = sc->sc_clut1->clut_lut; 638 xlut = sc->sc_xlut->xlut_lut; 639 for (i = 0; i < CG14_CLUT_SIZE; i++) { 640 clut[i] = sc->sc_saveclut.cm_chip[i]; 641 xlut[i] = sc->sc_savexlut[i]; 642 } 643 #else 644 cg14_set_depth(sc, 8); 645 #endif 646 } 647 648 /* Enable/disable video display; power down monitor if DPMS-capable */ 649 static void 650 cg14_set_video(struct cgfourteen_softc *sc, int enable) 651 { 652 /* 653 * We can only use DPMS to power down the display if the chip revision 654 * is greater than 0. 655 */ 656 if (enable) { 657 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 658 sc->sc_ctl->ctl_mctl |= (CG14_MCTL_ENABLEVID | 659 CG14_MCTL_POWERCTL); 660 else 661 sc->sc_ctl->ctl_mctl |= CG14_MCTL_ENABLEVID; 662 } else { 663 if ((sc->sc_ctl->ctl_rsr & CG14_RSR_REVMASK) > 0) 664 sc->sc_ctl->ctl_mctl &= ~(CG14_MCTL_ENABLEVID | 665 CG14_MCTL_POWERCTL); 666 else 667 sc->sc_ctl->ctl_mctl &= ~CG14_MCTL_ENABLEVID; 668 } 669 } 670 671 /* Get status of video display */ 672 static int 673 cg14_get_video(struct cgfourteen_softc *sc) 674 { 675 return ((sc->sc_ctl->ctl_mctl & CG14_MCTL_ENABLEVID) != 0); 676 } 677 678 /* Read the software shadow colormap */ 679 static int 680 cg14_get_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 681 { 682 u_int i, start, count; 683 u_char *cp; 684 int error; 685 686 start = p->index; 687 count = p->count; 688 if (start >= cmsize || count > cmsize - start) 689 return (EINVAL); 690 691 for (cp = &cm->cm_map[start][0], i = 0; i < count; cp += 4, i++) { 692 error = copyout(&cp[3], &p->red[i], 1); 693 if (error) 694 return error; 695 error = copyout(&cp[2], &p->green[i], 1); 696 if (error) 697 return error; 698 error = copyout(&cp[1], &p->blue[i], 1); 699 if (error) 700 return error; 701 } 702 return (0); 703 } 704 705 /* Write the software shadow colormap */ 706 static int 707 cg14_put_cmap(struct fbcmap *p, union cg14cmap *cm, int cmsize) 708 { 709 u_int i, start, count; 710 u_char *cp; 711 u_char cmap[256][4]; 712 int error; 713 714 start = p->index; 715 count = p->count; 716 if (start >= cmsize || count > cmsize - start) 717 return (EINVAL); 718 719 memcpy(&cmap, &cm->cm_map, sizeof cmap); 720 for (cp = &cmap[start][0], i = 0; i < count; cp += 4, i++) { 721 error = copyin(&p->red[i], &cp[3], 1); 722 if (error) 723 return error; 724 error = copyin(&p->green[i], &cp[2], 1); 725 if (error) 726 return error; 727 error = copyin(&p->blue[i], &cp[1], 1); 728 if (error) 729 return error; 730 cp[0] = 0; /* no alpha channel */ 731 } 732 memcpy(&cm->cm_map, &cmap, sizeof cmap); 733 return (0); 734 } 735 736 static void 737 cg14_load_hwcmap(struct cgfourteen_softc *sc, int start, int ncolors) 738 { 739 /* XXX switch to auto-increment, and on retrace intr */ 740 741 /* Setup pointers to source and dest */ 742 uint32_t *colp = &sc->sc_cmap.cm_chip[start]; 743 volatile uint32_t *lutp = &sc->sc_clut1->clut_lut[start]; 744 745 /* Copy by words */ 746 while (--ncolors >= 0) 747 *lutp++ = *colp++; 748 } 749 750 #if NWSDISPLAY > 0 751 static void 752 cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons) 753 { 754 struct wsemuldisplaydev_attach_args aa; 755 struct rasops_info *ri; 756 long defattr; 757 758 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 759 "default", 760 0, 0, 761 NULL, 762 8, 16, 763 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 764 NULL 765 }; 766 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 767 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 768 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 769 vcons_init(&sc->sc_vd, sc, &sc->sc_defaultscreen_descr, 770 &cg14_accessops); 771 sc->sc_vd.init_screen = cg14_init_screen; 772 773 ri = &sc->sc_console_screen.scr_ri; 774 775 if (is_cons) { 776 vcons_init_screen(&sc->sc_vd, &sc->sc_console_screen, 1, 777 &defattr); 778 779 /* clear the screen with the default background colour */ 780 memset(sc->sc_fb.fb_pixels, 781 (defattr >> 16) & 0xff, 782 ri->ri_stride * ri->ri_height); 783 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 784 785 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 786 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 787 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 788 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 789 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 790 defattr); 791 vcons_replay_msgbuf(&sc->sc_console_screen); 792 } else { 793 /* 794 * since we're not the console we can postpone the rest 795 * until someone actually allocates a screen for us 796 */ 797 } 798 799 cg14_init_cmap(sc); 800 801 aa.console = is_cons; 802 aa.scrdata = &sc->sc_screenlist; 803 aa.accessops = &cg14_accessops; 804 aa.accesscookie = &sc->sc_vd; 805 806 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 807 } 808 809 static void 810 cg14_init_cmap(struct cgfourteen_softc *sc) 811 { 812 int i, j = 0; 813 814 for (i = 0; i < 256; i++) { 815 816 sc->sc_cmap.cm_map[i][3] = rasops_cmap[j]; 817 sc->sc_cmap.cm_map[i][2] = rasops_cmap[j + 1]; 818 sc->sc_cmap.cm_map[i][1] = rasops_cmap[j + 2]; 819 j += 3; 820 } 821 cg14_load_hwcmap(sc, 0, 256); 822 } 823 824 static int 825 cg14_putcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 826 { 827 u_int index = cm->index; 828 u_int count = cm->count; 829 int i, error; 830 u_char rbuf[256], gbuf[256], bbuf[256]; 831 832 if (cm->index >= 256 || cm->count > 256 || 833 (cm->index + cm->count) > 256) 834 return EINVAL; 835 error = copyin(cm->red, &rbuf[index], count); 836 if (error) 837 return error; 838 error = copyin(cm->green, &gbuf[index], count); 839 if (error) 840 return error; 841 error = copyin(cm->blue, &bbuf[index], count); 842 if (error) 843 return error; 844 845 for (i = 0; i < count; i++) { 846 sc->sc_cmap.cm_map[index][3] = rbuf[index]; 847 sc->sc_cmap.cm_map[index][2] = gbuf[index]; 848 sc->sc_cmap.cm_map[index][1] = bbuf[index]; 849 850 index++; 851 } 852 cg14_load_hwcmap(sc, 0, 256); 853 return 0; 854 } 855 856 static int 857 cg14_getcmap(struct cgfourteen_softc *sc, struct wsdisplay_cmap *cm) 858 { 859 uint8_t rbuf[256], gbuf[256], bbuf[256]; 860 u_int index = cm->index; 861 u_int count = cm->count; 862 int error, i; 863 864 if (index >= 255 || count > 256 || index + count > 256) 865 return EINVAL; 866 867 868 for (i = 0; i < count; i++) { 869 rbuf[i] = sc->sc_cmap.cm_map[index][3]; 870 gbuf[i] = sc->sc_cmap.cm_map[index][2]; 871 bbuf[i] = sc->sc_cmap.cm_map[index][1]; 872 873 index++; 874 } 875 error = copyout(rbuf, cm->red, count); 876 if (error) 877 return error; 878 error = copyout(gbuf, cm->green, count); 879 if (error) 880 return error; 881 error = copyout(bbuf, cm->blue, count); 882 if (error) 883 return error; 884 885 return 0; 886 } 887 888 static int 889 cg14_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 890 struct lwp *l) 891 { 892 struct vcons_data *vd = v; 893 struct cgfourteen_softc *sc = vd->cookie; 894 struct wsdisplay_fbinfo *wdf; 895 struct vcons_screen *ms = vd->active; 896 897 switch (cmd) { 898 899 case WSDISPLAYIO_GTYPE: 900 *(uint32_t *)data = WSDISPLAY_TYPE_SUNCG14; 901 return 0; 902 903 case WSDISPLAYIO_GINFO: 904 wdf = (void *)data; 905 wdf->height = ms->scr_ri.ri_height; 906 wdf->width = ms->scr_ri.ri_width; 907 wdf->depth = 32; 908 wdf->cmsize = 256; 909 return 0; 910 911 case WSDISPLAYIO_GETCMAP: 912 return cg14_getcmap(sc, 913 (struct wsdisplay_cmap *)data); 914 915 case WSDISPLAYIO_PUTCMAP: 916 return cg14_putcmap(sc, 917 (struct wsdisplay_cmap *)data); 918 919 case WSDISPLAYIO_LINEBYTES: 920 *(u_int *)data = ms->scr_ri.ri_stride << 2; 921 return 0; 922 923 case WSDISPLAYIO_SMODE: 924 { 925 int new_mode = *(int*)data; 926 if (new_mode != sc->sc_mode) { 927 sc->sc_mode = new_mode; 928 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 929 bus_space_write_1(sc->sc_bustag, 930 sc->sc_regh, 931 CG14_CURSOR_CONTROL, 0); 932 933 cg14_set_depth(sc, 8); 934 cg14_init_cmap(sc); 935 vcons_redraw_screen(ms); 936 } else { 937 938 cg14_set_depth(sc, 32); 939 } 940 } 941 } 942 return 0; 943 case WSDISPLAYIO_SVIDEO: 944 cg14_set_video(sc, *(int *)data); 945 return 0; 946 case WSDISPLAYIO_GVIDEO: 947 return cg14_get_video(sc) ? 948 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 949 case WSDISPLAYIO_GCURPOS: 950 { 951 struct wsdisplay_curpos *cp = (void *)data; 952 953 cp->x = sc->sc_cursor.cc_pos.x; 954 cp->y = sc->sc_cursor.cc_pos.y; 955 } 956 return 0; 957 case WSDISPLAYIO_SCURPOS: 958 { 959 struct wsdisplay_curpos *cp = (void *)data; 960 961 cg14_move_cursor(sc, cp->x, cp->y); 962 } 963 return 0; 964 case WSDISPLAYIO_GCURMAX: 965 { 966 struct wsdisplay_curpos *cp = (void *)data; 967 968 cp->x = 32; 969 cp->y = 32; 970 } 971 return 0; 972 case WSDISPLAYIO_SCURSOR: 973 { 974 struct wsdisplay_cursor *cursor = (void *)data; 975 976 return cg14_do_cursor(sc, cursor); 977 } 978 case PCI_IOC_CFGREAD: 979 case PCI_IOC_CFGWRITE: 980 return EINVAL; 981 982 } 983 return EPASSTHROUGH; 984 } 985 986 static paddr_t 987 cg14_mmap(void *v, void *vs, off_t offset, int prot) 988 { 989 struct vcons_data *vd = v; 990 struct cgfourteen_softc *sc = vd->cookie; 991 992 /* allow mmap()ing the full framebuffer, not just what we use */ 993 if (offset < sc->sc_vramsize) 994 return bus_space_mmap(sc->sc_bustag, 995 BUS_ADDR(sc->sc_physadr[CG14_PXL_IDX].sbr_slot, 996 sc->sc_physadr[CG14_PXL_IDX].sbr_offset), 997 offset + CG14_FB_CBGR, prot, BUS_SPACE_MAP_LINEAR); 998 999 return -1; 1000 } 1001 1002 static void 1003 cg14_init_screen(void *cookie, struct vcons_screen *scr, 1004 int existing, long *defattr) 1005 { 1006 struct cgfourteen_softc *sc = cookie; 1007 struct rasops_info *ri = &scr->scr_ri; 1008 1009 ri->ri_depth = 8; 1010 ri->ri_width = sc->sc_fb.fb_type.fb_width; 1011 ri->ri_height = sc->sc_fb.fb_type.fb_height; 1012 ri->ri_stride = ri->ri_width; 1013 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 1014 1015 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 1016 #if NSX > 0 1017 /* 1018 * unaligned copies with horizontal overlap are slow, so don't bother 1019 * handling them in cg14_bitblt() and use putchar() instead 1020 */ 1021 if (sc->sc_sx != NULL) { 1022 scr->scr_flags |= VCONS_NO_COPYCOLS; 1023 } else 1024 #endif 1025 scr->scr_flags |= VCONS_DONT_READ; 1026 1027 if (existing) { 1028 ri->ri_flg |= RI_CLEAR; 1029 } 1030 1031 rasops_init(ri, 0, 0); 1032 ri->ri_caps = WSSCREEN_WSCOLORS; 1033 1034 rasops_reconfig(ri, 1035 sc->sc_fb.fb_type.fb_height / ri->ri_font->fontheight, 1036 sc->sc_fb.fb_type.fb_width / ri->ri_font->fontwidth); 1037 1038 ri->ri_hw = scr; 1039 #if NSX > 0 1040 if (sc->sc_sx != NULL) { 1041 ri->ri_ops.copyrows = cg14_copyrows; 1042 ri->ri_ops.copycols = cg14_copycols; 1043 ri->ri_ops.eraserows = cg14_eraserows; 1044 ri->ri_ops.erasecols = cg14_erasecols; 1045 ri->ri_ops.cursor = cg14_cursor; 1046 #if 0 1047 if (FONT_IS_ALPHA(ri->ri_font)) { 1048 ri->ri_ops.putchar = cg14_putchar_aa; 1049 } else 1050 #endif 1051 ri->ri_ops.putchar = cg14_putchar; 1052 } 1053 #endif /* NSX > 0 */ 1054 } 1055 1056 static void 1057 cg14_set_depth(struct cgfourteen_softc *sc, int depth) 1058 { 1059 int i; 1060 1061 if (sc->sc_depth == depth) 1062 return; 1063 1064 switch (depth) { 1065 case 8: 1066 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1067 CG14_MCTL, CG14_MCTL_ENABLEVID | 1068 CG14_MCTL_PIXMODE_8 | CG14_MCTL_POWERCTL); 1069 sc->sc_depth = 8; 1070 /* everything is CLUT1 */ 1071 for (i = 0; i < CG14_CLUT_SIZE; i++) 1072 sc->sc_xlut->xlut_lut[i] = 0; 1073 break; 1074 case 32: 1075 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1076 CG14_MCTL, CG14_MCTL_ENABLEVID | 1077 CG14_MCTL_PIXMODE_32 | CG14_MCTL_POWERCTL); 1078 sc->sc_depth = 32; 1079 for (i = 0; i < CG14_CLUT_SIZE; i++) 1080 sc->sc_xlut->xlut_lut[i] = 0; 1081 break; 1082 default: 1083 printf("%s: can't change to depth %d\n", 1084 device_xname(sc->sc_dev), depth); 1085 } 1086 } 1087 1088 static void 1089 cg14_move_cursor(struct cgfourteen_softc *sc, int x, int y) 1090 { 1091 uint32_t pos; 1092 1093 sc->sc_cursor.cc_pos.x = x; 1094 sc->sc_cursor.cc_pos.y = y; 1095 pos = ((sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x ) << 16) | 1096 ((sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y ) & 0xffff); 1097 bus_space_write_4(sc->sc_bustag, sc->sc_regh, CG14_CURSOR_X, pos); 1098 } 1099 1100 static int 1101 cg14_do_cursor(struct cgfourteen_softc *sc, struct wsdisplay_cursor *cur) 1102 { 1103 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1104 1105 bus_space_write_1(sc->sc_bustag, sc->sc_regh, 1106 CG14_CURSOR_CONTROL, cur->enable ? CG14_CRSR_ENABLE : 0); 1107 } 1108 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1109 1110 sc->sc_cursor.cc_hot.x = cur->hot.x; 1111 sc->sc_cursor.cc_hot.y = cur->hot.y; 1112 cur->which |= WSDISPLAY_CURSOR_DOPOS; 1113 } 1114 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1115 1116 cg14_move_cursor(sc, cur->pos.x, cur->pos.y); 1117 } 1118 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1119 int i; 1120 uint32_t val; 1121 1122 for (i = 0; i < min(cur->cmap.count, 3); i++) { 1123 val = (cur->cmap.red[i] ) | 1124 (cur->cmap.green[i] << 8) | 1125 (cur->cmap.blue[i] << 16); 1126 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1127 CG14_CURSOR_COLOR1 + ((i + cur->cmap.index) << 2), 1128 val); 1129 } 1130 } 1131 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1132 uint32_t buffer[32], latch, tmp; 1133 int i; 1134 1135 copyin(cur->mask, buffer, 128); 1136 for (i = 0; i < 32; i++) { 1137 latch = 0; 1138 tmp = buffer[i] & 0x80808080; 1139 latch |= tmp >> 7; 1140 tmp = buffer[i] & 0x40404040; 1141 latch |= tmp >> 5; 1142 tmp = buffer[i] & 0x20202020; 1143 latch |= tmp >> 3; 1144 tmp = buffer[i] & 0x10101010; 1145 latch |= tmp >> 1; 1146 tmp = buffer[i] & 0x08080808; 1147 latch |= tmp << 1; 1148 tmp = buffer[i] & 0x04040404; 1149 latch |= tmp << 3; 1150 tmp = buffer[i] & 0x02020202; 1151 latch |= tmp << 5; 1152 tmp = buffer[i] & 0x01010101; 1153 latch |= tmp << 7; 1154 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1155 CG14_CURSOR_PLANE0 + (i << 2), latch); 1156 } 1157 copyin(cur->image, buffer, 128); 1158 for (i = 0; i < 32; i++) { 1159 latch = 0; 1160 tmp = buffer[i] & 0x80808080; 1161 latch |= tmp >> 7; 1162 tmp = buffer[i] & 0x40404040; 1163 latch |= tmp >> 5; 1164 tmp = buffer[i] & 0x20202020; 1165 latch |= tmp >> 3; 1166 tmp = buffer[i] & 0x10101010; 1167 latch |= tmp >> 1; 1168 tmp = buffer[i] & 0x08080808; 1169 latch |= tmp << 1; 1170 tmp = buffer[i] & 0x04040404; 1171 latch |= tmp << 3; 1172 tmp = buffer[i] & 0x02020202; 1173 latch |= tmp << 5; 1174 tmp = buffer[i] & 0x01010101; 1175 latch |= tmp << 7; 1176 bus_space_write_4(sc->sc_bustag, sc->sc_regh, 1177 CG14_CURSOR_PLANE1 + (i << 2), latch); 1178 } 1179 } 1180 return 0; 1181 } 1182 1183 #if NSX > 0 1184 1185 static void 1186 cg14_wait_idle(struct cgfourteen_softc *sc) 1187 { 1188 } 1189 1190 static void 1191 cg14_rectfill(struct cgfourteen_softc *sc, int x, int y, int wi, int he, 1192 uint32_t colour) 1193 { 1194 uint32_t addr, pptr; 1195 int line, cnt, pre, words; 1196 int stride = sc->sc_fb.fb_type.fb_width; 1197 1198 addr = sc->sc_fb_paddr + x + stride * y; 1199 sx_write(sc->sc_sx, SX_QUEUED(8), colour); 1200 sx_write(sc->sc_sx, SX_QUEUED(9), colour); 1201 /* 1202 * Calculate the number of pixels we need to do one by one 1203 * until we're 32bit aligned, then do the rest in 32bit 1204 * mode. Assumes that stride is always a multiple of 4. 1205 */ 1206 pre = addr & 3; 1207 if (pre != 0) pre = 4 - pre; 1208 for (line = 0; line < he; line++) { 1209 pptr = addr; 1210 cnt = wi; 1211 if (pre) { 1212 sta(pptr, ASI_SX, SX_STBS(8, pre - 1, pptr & 7)); 1213 pptr += pre; 1214 cnt -= pre; 1215 } 1216 /* now do the aligned pixels in 32bit chunks */ 1217 while(cnt > 31) { 1218 words = min(32, cnt >> 2); 1219 sta(pptr, ASI_SX, SX_STS(8, words - 1, pptr & 7)); 1220 pptr += words << 2; 1221 cnt -= words << 2; 1222 } 1223 /* do any remaining pixels byte-wise again */ 1224 if (cnt > 0) 1225 sta(pptr, ASI_SX, SX_STBS(8, cnt - 1, pptr & 7)); 1226 addr += stride; 1227 } 1228 } 1229 1230 static void 1231 cg14_invert(struct cgfourteen_softc *sc, int x, int y, int wi, int he) 1232 { 1233 uint32_t addr, pptr; 1234 int line, cnt, pre, words; 1235 int stride = sc->sc_fb.fb_type.fb_width; 1236 1237 addr = sc->sc_fb_paddr + x + stride * y; 1238 sx_write(sc->sc_sx, SX_ROP_CONTROL, 0x33); /* ~src a */ 1239 /* 1240 * Calculate the number of pixels we need to do one by one 1241 * until we're 32bit aligned, then do the rest in 32bit 1242 * mode. Assumes that stride is always a multiple of 4. 1243 */ 1244 pre = addr & 3; 1245 if (pre != 0) pre = 4 - pre; 1246 for (line = 0; line < he; line++) { 1247 pptr = addr; 1248 cnt = wi; 1249 if (pre) { 1250 sta(pptr, ASI_SX, SX_LDB(8, pre - 1, pptr & 7)); 1251 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1252 SX_ROP(8, 8, 32, pre - 1)); 1253 sta(pptr, ASI_SX, SX_STB(32, pre - 1, pptr & 7)); 1254 pptr += pre; 1255 cnt -= pre; 1256 } 1257 /* now do the aligned pixels in 32bit chunks */ 1258 while(cnt > 15) { 1259 words = min(16, cnt >> 2); 1260 sta(pptr, ASI_SX, SX_LD(8, words - 1, pptr & 7)); 1261 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1262 SX_ROP(8, 8, 32, words - 1)); 1263 sta(pptr, ASI_SX, SX_ST(32, words - 1, pptr & 7)); 1264 pptr += words << 2; 1265 cnt -= words << 2; 1266 } 1267 /* do any remaining pixels byte-wise again */ 1268 if (cnt > 0) 1269 sta(pptr, ASI_SX, SX_LDB(8, cnt - 1, pptr & 7)); 1270 sx_write(sc->sc_sx, SX_INSTRUCTIONS, 1271 SX_ROP(8, 8, 32, cnt - 1)); 1272 sta(pptr, ASI_SX, SX_STB(32, cnt - 1, pptr & 7)); 1273 addr += stride; 1274 } 1275 } 1276 1277 static inline void 1278 cg14_slurp(int reg, uint32_t addr, int cnt) 1279 { 1280 int num; 1281 while (cnt > 0) { 1282 num = min(32, cnt); 1283 sta(addr, ASI_SX, SX_LD(reg, num - 1, addr & 7)); 1284 cnt -= num; 1285 reg += num; 1286 addr += (num << 2); 1287 } 1288 } 1289 1290 static inline void 1291 cg14_spit(int reg, uint32_t addr, int cnt) 1292 { 1293 int num; 1294 while (cnt > 0) { 1295 num = min(32, cnt); 1296 sta(addr, ASI_SX, SX_ST(reg, num - 1, addr & 7)); 1297 cnt -= num; 1298 reg += num; 1299 addr += (num << 2); 1300 } 1301 } 1302 1303 static void 1304 cg14_bitblt(void *cookie, int xs, int ys, int xd, int yd, 1305 int wi, int he, int rop) 1306 { 1307 struct cgfourteen_softc *sc = cookie; 1308 uint32_t saddr, daddr, sptr, dptr; 1309 int line, cnt, stride = sc->sc_fb.fb_type.fb_width; 1310 int num, words, skip; 1311 1312 if (ys < yd) { 1313 /* need to go bottom-up */ 1314 saddr = sc->sc_fb_paddr + xs + stride * (ys + he - 1); 1315 daddr = sc->sc_fb_paddr + xd + stride * (yd + he - 1); 1316 skip = -stride; 1317 } else { 1318 saddr = sc->sc_fb_paddr + xs + stride * ys; 1319 daddr = sc->sc_fb_paddr + xd + stride * yd; 1320 skip = stride; 1321 } 1322 1323 if ((saddr & 3) == (daddr & 3)) { 1324 int pre = saddr & 3; /* pixels to copy byte-wise */ 1325 if (pre != 0) pre = 4 - pre; 1326 for (line = 0; line < he; line++) { 1327 sptr = saddr; 1328 dptr = daddr; 1329 cnt = wi; 1330 if (pre > 0) { 1331 sta(sptr, ASI_SX, 1332 SX_LDB(32, pre - 1, sptr & 7)); 1333 sta(dptr, ASI_SX, 1334 SX_STB(32, pre - 1, dptr & 7)); 1335 cnt -= pre; 1336 sptr += pre; 1337 dptr += pre; 1338 } 1339 words = cnt >> 2; 1340 while(cnt > 3) { 1341 num = min(120, words); 1342 cg14_slurp(8, sptr, num); 1343 cg14_spit(8, dptr, num); 1344 sptr += num << 2; 1345 dptr += num << 2; 1346 cnt -= num << 2; 1347 } 1348 if (cnt > 0) { 1349 sta(sptr, ASI_SX, 1350 SX_LDB(32, cnt - 1, sptr & 7)); 1351 sta(dptr, ASI_SX, 1352 SX_STB(32, cnt - 1, dptr & 7)); 1353 } 1354 saddr += skip; 1355 daddr += skip; 1356 } 1357 } else { 1358 /* unaligned, have to use byte mode */ 1359 for (line = 0; line < he; line++) { 1360 sptr = saddr; 1361 dptr = daddr; 1362 cnt = wi; 1363 while(cnt > 31) { 1364 sta(sptr, ASI_SX, SX_LDB(32, 31, sptr & 7)); 1365 sta(dptr, ASI_SX, SX_STB(32, 31, dptr & 7)); 1366 sptr += 32; 1367 dptr += 32; 1368 cnt -= 32; 1369 } 1370 if (cnt > 0) { 1371 sta(sptr, ASI_SX, 1372 SX_LDB(32, cnt - 1, sptr & 7)); 1373 sta(dptr, ASI_SX, 1374 SX_STB(32, cnt - 1, dptr & 7)); 1375 } 1376 saddr += skip; 1377 daddr += skip; 1378 } 1379 } 1380 } 1381 1382 1383 static void 1384 cg14_putchar(void *cookie, int row, int col, u_int c, long attr) 1385 { 1386 struct rasops_info *ri = cookie; 1387 struct wsdisplay_font *font = PICK_FONT(ri, c); 1388 struct vcons_screen *scr = ri->ri_hw; 1389 struct cgfourteen_softc *sc = scr->scr_cookie; 1390 void *data; 1391 uint32_t fg, bg; 1392 int i, x, y, wi, he; 1393 uint32_t addr; 1394 int stride = sc->sc_fb.fb_type.fb_width; 1395 1396 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1397 return; 1398 1399 if (!CHAR_IN_FONT(c, font)) 1400 return; 1401 1402 wi = font->fontwidth; 1403 he = font->fontheight; 1404 1405 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1406 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1407 sx_write(sc->sc_sx, SX_QUEUED(8), bg); 1408 sx_write(sc->sc_sx, SX_QUEUED(9), fg); 1409 1410 x = ri->ri_xorigin + col * wi; 1411 y = ri->ri_yorigin + row * he; 1412 1413 if (c == 0x20) { 1414 cg14_rectfill(sc, x, y, wi, he, bg); 1415 return; 1416 } 1417 1418 data = WSFONT_GLYPH(c, font); 1419 addr = sc->sc_fb_paddr + x + stride * y; 1420 1421 switch (font->stride) { 1422 case 1: { 1423 uint8_t *data8 = data; 1424 uint32_t reg; 1425 for (i = 0; i < he; i++) { 1426 reg = *data8; 1427 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1428 reg << 24); 1429 sta(addr, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1430 data8++; 1431 addr += stride; 1432 } 1433 break; 1434 } 1435 case 2: { 1436 uint16_t *data16 = data; 1437 uint32_t reg; 1438 for (i = 0; i < he; i++) { 1439 reg = *data16; 1440 sx_write(sc->sc_sx, SX_QUEUED(R_MASK), 1441 reg << 16); 1442 sta(addr, ASI_SX, SX_STBS(8, wi - 1, addr & 7)); 1443 data16++; 1444 addr += stride; 1445 } 1446 break; 1447 } 1448 } 1449 } 1450 1451 static void 1452 cg14_cursor(void *cookie, int on, int row, int col) 1453 { 1454 struct rasops_info *ri = cookie; 1455 struct vcons_screen *scr = ri->ri_hw; 1456 struct cgfourteen_softc *sc = scr->scr_cookie; 1457 int x, y, wi, he; 1458 1459 wi = ri->ri_font->fontwidth; 1460 he = ri->ri_font->fontheight; 1461 1462 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1463 x = ri->ri_ccol * wi + ri->ri_xorigin; 1464 y = ri->ri_crow * he + ri->ri_yorigin; 1465 if (ri->ri_flg & RI_CURSOR) { 1466 cg14_invert(sc, x, y, wi, he); 1467 ri->ri_flg &= ~RI_CURSOR; 1468 } 1469 ri->ri_crow = row; 1470 ri->ri_ccol = col; 1471 if (on) { 1472 x = ri->ri_ccol * wi + ri->ri_xorigin; 1473 y = ri->ri_crow * he + ri->ri_yorigin; 1474 cg14_invert(sc, x, y, wi, he); 1475 ri->ri_flg |= RI_CURSOR; 1476 } 1477 } else { 1478 scr->scr_ri.ri_crow = row; 1479 scr->scr_ri.ri_ccol = col; 1480 scr->scr_ri.ri_flg &= ~RI_CURSOR; 1481 } 1482 1483 } 1484 1485 #if 0 1486 static void 1487 r128fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1488 { 1489 struct rasops_info *ri = cookie; 1490 struct wsdisplay_font *font = PICK_FONT(ri, c); 1491 struct vcons_screen *scr = ri->ri_hw; 1492 struct r128fb_softc *sc = scr->scr_cookie; 1493 uint32_t bg, latch = 0, bg8, fg8, pixel; 1494 int i, x, y, wi, he, r, g, b, aval; 1495 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1496 uint8_t *data8; 1497 int rv, cnt = 0; 1498 1499 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1500 return; 1501 1502 if (!CHAR_IN_FONT(c, font)) 1503 return; 1504 1505 wi = font->fontwidth; 1506 he = font->fontheight; 1507 1508 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1509 x = ri->ri_xorigin + col * wi; 1510 y = ri->ri_yorigin + row * he; 1511 if (c == 0x20) { 1512 r128fb_rectfill(sc, x, y, wi, he, bg); 1513 return; 1514 } 1515 1516 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1517 if (rv == GC_OK) 1518 return; 1519 1520 data8 = WSFONT_GLYPH(c, font); 1521 1522 r128fb_wait(sc, 5); 1523 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1524 R128_DP_GUI_MASTER_CNTL, 1525 R128_GMC_BRUSH_SOLID_COLOR | 1526 R128_GMC_SRC_DATATYPE_COLOR | 1527 R128_ROP3_S | 1528 R128_DP_SRC_SOURCE_HOST_DATA | 1529 sc->sc_master_cntl); 1530 1531 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1532 R128_DP_CNTL, 1533 R128_DST_Y_TOP_TO_BOTTOM | 1534 R128_DST_X_LEFT_TO_RIGHT); 1535 1536 /* needed? */ 1537 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 0); 1538 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 1539 (x << 16) | y); 1540 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 1541 (wi << 16) | he); 1542 1543 /* 1544 * we need the RGB colours here, so get offsets into rasops_cmap 1545 */ 1546 fgo = ((attr >> 24) & 0xf) * 3; 1547 bgo = ((attr >> 16) & 0xf) * 3; 1548 1549 r0 = rasops_cmap[bgo]; 1550 r1 = rasops_cmap[fgo]; 1551 g0 = rasops_cmap[bgo + 1]; 1552 g1 = rasops_cmap[fgo + 1]; 1553 b0 = rasops_cmap[bgo + 2]; 1554 b1 = rasops_cmap[fgo + 2]; 1555 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1556 bg8 = R3G3B2(r0, g0, b0); 1557 fg8 = R3G3B2(r1, g1, b1); 1558 1559 r128fb_wait(sc, 16); 1560 1561 for (i = 0; i < ri->ri_fontscale; i++) { 1562 aval = *data8; 1563 if (aval == 0) { 1564 pixel = bg8; 1565 } else if (aval == 255) { 1566 pixel = fg8; 1567 } else { 1568 r = aval * r1 + (255 - aval) * r0; 1569 g = aval * g1 + (255 - aval) * g0; 1570 b = aval * b1 + (255 - aval) * b0; 1571 pixel = ((r & 0xe000) >> 8) | 1572 ((g & 0xe000) >> 11) | 1573 ((b & 0xc000) >> 14); 1574 } 1575 latch = (latch << 8) | pixel; 1576 /* write in 32bit chunks */ 1577 if ((i & 3) == 3) { 1578 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1579 R128_HOST_DATA0, latch); 1580 /* 1581 * not strictly necessary, old data should be shifted 1582 * out 1583 */ 1584 latch = 0; 1585 cnt++; 1586 if (cnt > 15) { 1587 r128fb_wait(sc, 16); 1588 cnt = 0; 1589 } 1590 } 1591 data8++; 1592 } 1593 /* if we have pixels left in latch write them out */ 1594 if ((i & 3) != 0) { 1595 latch = latch << ((4 - (i & 3)) << 3); 1596 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1597 R128_HOST_DATA0, latch); 1598 } 1599 if (rv == GC_ADD) { 1600 glyphcache_add(&sc->sc_gc, c, x, y); 1601 } 1602 } 1603 #endif 1604 1605 static void 1606 cg14_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1607 { 1608 struct rasops_info *ri = cookie; 1609 struct vcons_screen *scr = ri->ri_hw; 1610 struct cgfourteen_softc *sc = scr->scr_cookie; 1611 int32_t xs, xd, y, width, height; 1612 1613 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1614 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1615 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1616 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1617 width = ri->ri_font->fontwidth * ncols; 1618 height = ri->ri_font->fontheight; 1619 cg14_bitblt(sc, xs, y, xd, y, width, height, 0x0c); 1620 } 1621 } 1622 1623 static void 1624 cg14_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1625 { 1626 struct rasops_info *ri = cookie; 1627 struct vcons_screen *scr = ri->ri_hw; 1628 struct cgfourteen_softc *sc = scr->scr_cookie; 1629 int32_t x, y, width, height, fg, bg, ul; 1630 1631 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1632 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1633 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1634 width = ri->ri_font->fontwidth * ncols; 1635 height = ri->ri_font->fontheight; 1636 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1637 1638 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1639 } 1640 } 1641 1642 static void 1643 cg14_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1644 { 1645 struct rasops_info *ri = cookie; 1646 struct vcons_screen *scr = ri->ri_hw; 1647 struct cgfourteen_softc *sc = scr->scr_cookie; 1648 int32_t x, ys, yd, width, height; 1649 1650 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1651 x = ri->ri_xorigin; 1652 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1653 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1654 width = ri->ri_emuwidth; 1655 height = ri->ri_font->fontheight * nrows; 1656 cg14_bitblt(sc, x, ys, x, yd, width, height, 0x0c); 1657 } 1658 } 1659 1660 static void 1661 cg14_eraserows(void *cookie, int row, int nrows, long fillattr) 1662 { 1663 struct rasops_info *ri = cookie; 1664 struct vcons_screen *scr = ri->ri_hw; 1665 struct cgfourteen_softc *sc = scr->scr_cookie; 1666 int32_t x, y, width, height, fg, bg, ul; 1667 1668 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1669 x = ri->ri_xorigin; 1670 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1671 width = ri->ri_emuwidth; 1672 height = ri->ri_font->fontheight * nrows; 1673 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1674 1675 cg14_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1676 } 1677 } 1678 1679 #endif /* NSX > 0 */ 1680 1681 #endif 1682
Indexes created Mon Sep 29 21:09:56 GMT 2025