1 /* $NetBSD: wcfb.c,v 1.21 2022/07/17 10:28:09 riastradh Exp $ */ 2 3 /* 4 * Copyright (c) 2007, 2008, 2009 Miodrag Vallat. 5 * 2010 Michael Lorenz 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* a driver for (some) 3DLabs Wildcat cards, based on OpenBSD's ifb driver */ 21 22 #include <sys/cdefs.h> 23 __KERNEL_RCSID(0, "$NetBSD: wcfb.c,v 1.21 2022/07/17 10:28:09 riastradh Exp $"); 24 25 #include <sys/param.h> 26 #include <sys/systm.h> 27 #include <sys/kernel.h> 28 #include <sys/device.h> 29 #include <sys/proc.h> 30 #include <sys/mutex.h> 31 #include <sys/ioctl.h> 32 #include <sys/kernel.h> 33 #include <sys/systm.h> 34 #include <sys/kauth.h> 35 #include <sys/kmem.h> 36 37 #include <dev/pci/pcidevs.h> 38 #include <dev/pci/pcireg.h> 39 #include <dev/pci/pcivar.h> 40 #include <dev/pci/pciio.h> 41 #include <dev/pci/wcfbreg.h> 42 43 #include <dev/wscons/wsdisplayvar.h> 44 #include <dev/wscons/wsconsio.h> 45 #include <dev/wsfont/wsfont.h> 46 #include <dev/rasops/rasops.h> 47 #include <dev/wscons/wsdisplay_vconsvar.h> 48 #include <dev/pci/wsdisplay_pci.h> 49 50 #include "opt_wsfb.h" 51 #include "opt_wsdisplay_compat.h" 52 53 #ifdef WCFB_DEBUG 54 # define DPRINTF printf 55 #else 56 # define DPRINTF while (0) printf 57 #endif 58 59 static int wcfb_match(device_t, cfdata_t, void *); 60 static void wcfb_attach(device_t, device_t, void *); 61 static int wcfb_ioctl(void *, void *, u_long, void *, int, 62 struct lwp *); 63 static paddr_t wcfb_mmap(void *, void *, off_t, int); 64 65 struct wcfb_softc { 66 device_t sc_dev; 67 68 pci_chipset_tag_t sc_pc; 69 pcitag_t sc_pcitag; 70 71 bus_space_tag_t sc_memt; 72 bus_space_tag_t sc_regt, sc_wtft; 73 bus_space_tag_t sc_iot; 74 75 bus_space_handle_t sc_fbh; 76 bus_space_handle_t sc_regh; 77 bus_addr_t sc_fb, sc_reg; 78 bus_size_t sc_fbsize, sc_regsize; 79 80 int sc_width, sc_height, sc_stride; 81 int sc_locked; 82 uint8_t *sc_fbaddr, *sc_fb0, *sc_fb1, *sc_shadow; 83 struct vcons_screen sc_console_screen; 84 struct wsscreen_descr sc_defaultscreen_descr; 85 const struct wsscreen_descr *sc_screens[1]; 86 struct wsscreen_list sc_screenlist; 87 struct vcons_data vd; 88 int sc_mode, sc_dpms; 89 u_char sc_cmap_red[256]; 90 u_char sc_cmap_green[256]; 91 u_char sc_cmap_blue[256]; 92 uint32_t sc_fb0off, sc_fb1off, sc_fb8size; 93 94 void (*copycols)(void *, int, int, int, int); 95 void (*erasecols)(void *, int, int, int, long); 96 void (*copyrows)(void *, int, int, int); 97 void (*eraserows)(void *, int, int, long); 98 void (*putchar)(void *, int, int, u_int, long); 99 void (*cursor)(void *, int, int, int); 100 int sc_is_jfb; 101 }; 102 103 static void wcfb_init_screen(void *, struct vcons_screen *, int, long *); 104 105 CFATTACH_DECL_NEW(wcfb, sizeof(struct wcfb_softc), 106 wcfb_match, wcfb_attach, NULL, NULL); 107 108 struct wsdisplay_accessops wcfb_accessops = { 109 wcfb_ioctl, 110 wcfb_mmap, 111 NULL, /* alloc_screen */ 112 NULL, /* free_screen */ 113 NULL, /* show_screen */ 114 NULL, /* load_font */ 115 NULL, /* pollc */ 116 NULL /* scroll */ 117 }; 118 119 static void wcfb_putchar(void *, int, int, u_int, long); 120 static void wcfb_cursor(void *, int, int, int); 121 static void wcfb_copycols(void *, int, int, int, int); 122 static void wcfb_erasecols(void *, int, int, int, long); 123 static void wcfb_copyrows(void *, int, int, int); 124 static void wcfb_eraserows(void *, int, int, long); 125 126 static void wcfb_acc_putchar(void *, int, int, u_int, long); 127 static void wcfb_acc_cursor(void *, int, int, int); 128 static void wcfb_acc_copycols(void *, int, int, int, int); 129 static void wcfb_acc_erasecols(void *, int, int, int, long); 130 static void wcfb_acc_copyrows(void *, int, int, int); 131 static void wcfb_acc_eraserows(void *, int, int, long); 132 133 static void wcfb_putpalreg(struct wcfb_softc *, int, int, int, int); 134 135 static void wcfb_bitblt(struct wcfb_softc *, int, int, int, int, int, 136 int, uint32_t); 137 static void wcfb_rectfill(struct wcfb_softc *, int, int, int, int, int); 138 static void wcfb_rop_common(struct wcfb_softc *, bus_addr_t, int, int, int, 139 int, int, int, uint32_t, int32_t); 140 static void wcfb_rop_jfb(struct wcfb_softc *, int, int, int, int, int, int, 141 uint32_t, int32_t); 142 static int wcfb_rop_wait(struct wcfb_softc *); 143 144 static int 145 wcfb_match(device_t parent, cfdata_t match, void *aux) 146 { 147 struct pci_attach_args *pa = aux; 148 149 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_3DLABS && 150 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_WILDCAT5110) 151 return 100; 152 153 return 0; 154 } 155 156 static void 157 wcfb_attach(device_t parent, device_t self, void *aux) 158 { 159 struct wcfb_softc *sc = device_private(self); 160 struct pci_attach_args *pa = aux; 161 struct rasops_info *ri; 162 prop_dictionary_t dict; 163 struct wsemuldisplaydev_attach_args aa; 164 int i, j; 165 uint32_t reg; 166 unsigned long defattr; 167 bool is_console = 0; 168 uint32_t sub; 169 170 sc->sc_dev = self; 171 sc->putchar = NULL; 172 pci_aprint_devinfo(pa, NULL); 173 174 dict = device_properties(self); 175 prop_dictionary_get_bool(dict, "is_console", &is_console); 176 #ifndef WCFB_DEBUG 177 if (!is_console) return; 178 #endif 179 sc->sc_memt = pa->pa_memt; 180 sc->sc_iot = pa->pa_iot; 181 sc->sc_pc = pa->pa_pc; 182 sc->sc_pcitag = pa->pa_tag; 183 184 if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_MEM, 0, 185 &sc->sc_regt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 186 aprint_error("%s: failed to map registers.\n", 187 device_xname(sc->sc_dev)); 188 } 189 190 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 191 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE, 192 &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) { 193 aprint_error("%s: failed to map framebuffer.\n", 194 device_xname(sc->sc_dev)); 195 } 196 197 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 198 #ifdef DEBUG 199 memset(sc->sc_fbaddr, 0, sc->sc_fbsize); 200 #endif 201 sc->sc_fb0off = 202 bus_space_read_4(sc->sc_regt, sc->sc_regh, 203 WC_FB8_ADDR0) - sc->sc_fb; 204 sc->sc_fb0 = sc->sc_fbaddr + sc->sc_fb0off; 205 sc->sc_fb1off = 206 bus_space_read_4(sc->sc_regt, sc->sc_regh, 207 WC_FB8_ADDR1) - sc->sc_fb; 208 sc->sc_fb1 = sc->sc_fbaddr + sc->sc_fb1off; 209 sc->sc_fb8size = 2 * (sc->sc_fb1off - sc->sc_fb0off); 210 211 sub = pci_conf_read(sc->sc_pc, sc->sc_pcitag, PCI_SUBSYS_ID_REG); 212 aprint_normal("subsys: %08x\n", sub); 213 switch (sub) { 214 case WC_XVR1200: 215 sc->sc_is_jfb = 1; 216 break; 217 default: 218 sc->sc_is_jfb = 0; 219 } 220 221 reg = bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_RESOLUTION); 222 sc->sc_height = (reg >> 16) + 1; 223 #ifdef WCFB_DEBUG 224 sc->sc_height -= 200; 225 #endif 226 sc->sc_width = (reg & 0xffff) + 1; 227 sc->sc_stride = 1 << 228 ((bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_CONFIG) & 229 0x00ff0000) >> 16); 230 aprint_normal_dev(self, "%d x %d, %d\n", 231 sc->sc_width, sc->sc_height, sc->sc_stride); 232 233 if (sc->sc_is_jfb == 0) { 234 sc->sc_shadow = kmem_alloc(sc->sc_stride * sc->sc_height, 235 KM_SLEEP); 236 } 237 238 for (i = 0x40; i < 0x100; i += 16) { 239 aprint_normal("%04x:", i); 240 for (j = 0; j < 16; j += 4) { 241 aprint_normal(" %08x", bus_space_read_4(sc->sc_regt, 242 sc->sc_regh, 0x8000 + i + j)); 243 } 244 aprint_normal("\n"); 245 } 246 247 /* make sure video output is on */ 248 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_DPMS_STATE, WC_DPMS_ON); 249 sc->sc_dpms = WSDISPLAYIO_VIDEO_ON; 250 251 #if 0 252 /* testing & debugging voodoo */ 253 memset(sc->sc_fb0, 0x01, 0x00100000); 254 memset(sc->sc_fb1, 0x00, 0x00100000); 255 wcfb_rop_wait(sc); 256 wcfb_rop_jfb(sc, 0, 0, 0, 0, 600, 600, WC_ROP_SET, 0xffffffff); 257 wcfb_rop_wait(sc); 258 delay(4000000); 259 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_FB8_ADDR1, 260 bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_FB8_ADDR0)); 261 delay(8000000); 262 #endif 263 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 264 "default", 265 0, 0, 266 NULL, 267 8, 16, 268 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 269 NULL 270 }; 271 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 272 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 273 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 274 sc->sc_locked = 0; 275 276 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 277 &wcfb_accessops); 278 sc->vd.init_screen = wcfb_init_screen; 279 280 /* init engine here */ 281 #if 0 282 wcfb_init(sc); 283 #endif 284 285 ri = &sc->sc_console_screen.scr_ri; 286 287 j = 0; 288 for (i = 0; i < 256; i++) { 289 290 sc->sc_cmap_red[i] = rasops_cmap[j]; 291 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 292 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 293 wcfb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 294 rasops_cmap[j + 2]); 295 j += 3; 296 } 297 298 if (is_console) { 299 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 300 &defattr); 301 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 302 303 if (sc->sc_is_jfb) { 304 wcfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 305 ri->ri_devcmap[(defattr >> 16) & 0xff]); 306 } else { 307 memset(sc->sc_fb0, 308 ri->ri_devcmap[(defattr >> 16) & 0xff], 309 sc->sc_stride * sc->sc_height); 310 memset(sc->sc_fb1, 311 ri->ri_devcmap[(defattr >> 16) & 0xff], 312 sc->sc_stride * sc->sc_height); 313 } 314 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 315 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 316 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 317 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 318 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 319 defattr); 320 vcons_replay_msgbuf(&sc->sc_console_screen); 321 } else { 322 /* 323 * since we're not the console we can postpone the rest 324 * until someone actually allocates a screen for us 325 */ 326 memset(sc->sc_fb0, WS_DEFAULT_BG, 327 sc->sc_stride * sc->sc_height); 328 memset(sc->sc_fb1, WS_DEFAULT_BG, 329 sc->sc_stride * sc->sc_height); 330 return; 331 } 332 333 aa.console = is_console; 334 aa.scrdata = &sc->sc_screenlist; 335 aa.accessops = &wcfb_accessops; 336 aa.accesscookie = &sc->vd; 337 338 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint, CFARGS_NONE); 339 } 340 341 static int 342 wcfb_putcmap(struct wcfb_softc *sc, struct wsdisplay_cmap *cm) 343 { 344 u_char *r, *g, *b; 345 u_int index = cm->index; 346 u_int count = cm->count; 347 int i, error; 348 u_char rbuf[256], gbuf[256], bbuf[256]; 349 350 if (cm->index >= 256 || cm->count > 256 || 351 (cm->index + cm->count) > 256) 352 return EINVAL; 353 error = copyin(cm->red, &rbuf[index], count); 354 if (error) 355 return error; 356 error = copyin(cm->green, &gbuf[index], count); 357 if (error) 358 return error; 359 error = copyin(cm->blue, &bbuf[index], count); 360 if (error) 361 return error; 362 363 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 364 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 365 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 366 367 r = &sc->sc_cmap_red[index]; 368 g = &sc->sc_cmap_green[index]; 369 b = &sc->sc_cmap_blue[index]; 370 371 for (i = 0; i < count; i++) { 372 wcfb_putpalreg(sc, index, *r, *g, *b); 373 index++; 374 r++, g++, b++; 375 } 376 return 0; 377 } 378 379 static int 380 wcfb_getcmap(struct wcfb_softc *sc, struct wsdisplay_cmap *cm) 381 { 382 u_int index = cm->index; 383 u_int count = cm->count; 384 int error; 385 386 if (index >= 255 || count > 256 || index + count > 256) 387 return EINVAL; 388 389 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 390 if (error) 391 return error; 392 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 393 if (error) 394 return error; 395 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 396 if (error) 397 return error; 398 399 return 0; 400 } 401 402 static int 403 wcfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 404 struct lwp *l) 405 { 406 struct vcons_data *vd = v; 407 struct wcfb_softc *sc = vd->cookie; 408 409 switch (cmd) { 410 case WSDISPLAYIO_GTYPE: 411 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 412 return 0; 413 414 /* PCI config read/write passthrough. */ 415 case PCI_IOC_CFGREAD: 416 case PCI_IOC_CFGWRITE: 417 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 418 cmd, data, flag, l); 419 420 case WSDISPLAYIO_GET_BUSID: 421 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, 422 sc->sc_pcitag, data); 423 424 case WSDISPLAYIO_SVIDEO: { 425 int new_mode = *(int*)data; 426 if (new_mode != sc->sc_dpms) { 427 sc->sc_dpms = new_mode; 428 bus_space_write_4(sc->sc_regt, sc->sc_regh, 429 WC_DPMS_STATE, 430 (new_mode == WSDISPLAYIO_VIDEO_ON) ? 431 WC_DPMS_ON : WC_DPMS_STANDBY); 432 } 433 } 434 return 0; 435 436 case WSDISPLAYIO_GVIDEO: 437 *(int*)data = sc->sc_dpms; 438 return 0; 439 440 case WSDISPLAYIO_GETCMAP: 441 return wcfb_getcmap(sc, 442 (struct wsdisplay_cmap *)data); 443 444 case WSDISPLAYIO_PUTCMAP: 445 return wcfb_putcmap(sc, 446 (struct wsdisplay_cmap *)data); 447 448 case WSDISPLAYIO_GET_FBINFO: { 449 struct wsdisplayio_fbinfo *fbi = data; 450 451 fbi->fbi_fbsize = sc->sc_fb8size; 452 fbi->fbi_fboffset = 0; 453 fbi->fbi_width = sc->sc_width; 454 fbi->fbi_height = sc->sc_height; 455 fbi->fbi_bitsperpixel = 8; 456 fbi->fbi_stride = sc->sc_stride; 457 fbi->fbi_pixeltype = WSFB_CI; 458 fbi->fbi_subtype.fbi_cmapinfo.cmap_entries = 256; 459 fbi->fbi_flags = WSFB_VRAM_IS_SPLIT; 460 return 0; 461 } 462 } 463 return EPASSTHROUGH; 464 } 465 466 static paddr_t 467 wcfb_mmap(void *v, void *vs, off_t offset, int prot) 468 { 469 struct vcons_data *vd = v; 470 struct wcfb_softc *sc = vd->cookie; 471 472 /* XXX in theory the order is not fixed... */ 473 474 if (offset < sc->sc_fb8size) 475 return bus_space_mmap(sc->sc_memt, sc->sc_fb + sc->sc_fb0off, 476 offset, prot, 477 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 478 /* 479 * restrict all other mappings to processes with superuser privileges 480 * or the kernel itself 481 */ 482 if (kauth_authorize_machdep(kauth_cred_get(), 483 KAUTH_MACHDEP_UNMANAGEDMEM, 484 NULL, NULL, NULL, NULL) != 0) { 485 aprint_normal_dev(sc->sc_dev, "mmap() rejected.\n"); 486 return -1; 487 } 488 489 /* may want to mmap() registers at some point */ 490 491 return -1; 492 } 493 494 static void 495 wcfb_init_screen(void *cookie, struct vcons_screen *scr, 496 int existing, long *defattr) 497 { 498 struct wcfb_softc *sc = cookie; 499 struct rasops_info *ri = &scr->scr_ri; 500 501 ri->ri_depth = 8; 502 ri->ri_width = sc->sc_width; 503 ri->ri_height = sc->sc_height; 504 ri->ri_stride = sc->sc_stride; 505 ri->ri_flg = RI_CENTER /*| RI_FULLCLEAR*/; 506 507 if (sc->sc_is_jfb) { 508 ri->ri_bits = sc->sc_fb0; 509 } else { 510 ri->ri_bits = sc->sc_shadow; 511 } 512 if (existing) { 513 ri->ri_flg |= RI_CLEAR; 514 } 515 516 rasops_init(ri, 0, 0); 517 ri->ri_caps = WSSCREEN_WSCOLORS; 518 519 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 520 sc->sc_width / ri->ri_font->fontwidth); 521 522 ri->ri_hw = scr; 523 sc->putchar = ri->ri_ops.putchar; 524 sc->copyrows = ri->ri_ops.copyrows; 525 sc->eraserows = ri->ri_ops.eraserows; 526 sc->copycols = ri->ri_ops.copycols; 527 sc->erasecols = ri->ri_ops.erasecols; 528 529 if (sc->sc_is_jfb) { 530 ri->ri_ops.copyrows = wcfb_acc_copyrows; 531 ri->ri_ops.copycols = wcfb_acc_copycols; 532 ri->ri_ops.eraserows = wcfb_acc_eraserows; 533 ri->ri_ops.erasecols = wcfb_acc_erasecols; 534 ri->ri_ops.putchar = wcfb_acc_putchar; 535 ri->ri_ops.cursor = wcfb_acc_cursor; 536 } else { 537 ri->ri_ops.copyrows = wcfb_copyrows; 538 ri->ri_ops.copycols = wcfb_copycols; 539 ri->ri_ops.eraserows = wcfb_eraserows; 540 ri->ri_ops.erasecols = wcfb_erasecols; 541 ri->ri_ops.putchar = wcfb_putchar; 542 ri->ri_ops.cursor = wcfb_cursor; 543 } 544 } 545 546 static void 547 wcfb_putchar(void *cookie, int row, int col, u_int c, long attr) 548 { 549 struct rasops_info *ri = cookie; 550 struct vcons_screen *scr = ri->ri_hw; 551 struct wcfb_softc *sc = scr->scr_cookie; 552 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) * 553 sc->sc_stride + ri->ri_xorigin + col * ri->ri_font->fontwidth; 554 uint8_t *from, *to0, *to1; 555 int i; 556 557 sc->putchar(ri, row, col, c, attr); 558 from = sc->sc_shadow + offset; 559 to0 = sc->sc_fb0 + offset; 560 to1 = sc->sc_fb1 + offset; 561 for (i = 0; i < ri->ri_font->fontheight; i++) { 562 memcpy(to0, from, ri->ri_font->fontwidth); 563 memcpy(to1, from, ri->ri_font->fontwidth); 564 to0 += sc->sc_stride; 565 to1 += sc->sc_stride; 566 from += sc->sc_stride; 567 } 568 } 569 570 static void 571 wcfb_putpalreg(struct wcfb_softc *sc, int i, int r, int g, int b) 572 { 573 uint32_t rgb; 574 575 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_CMAP_INDEX, i); 576 rgb = (b << 22) | (g << 12) | (r << 2); 577 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_CMAP_DATA, rgb); 578 } 579 580 static void 581 wcfb_cursor(void *cookie, int on, int row, int col) 582 { 583 struct rasops_info *ri = cookie; 584 struct vcons_screen *scr = ri->ri_hw; 585 struct wcfb_softc *sc = scr->scr_cookie; 586 int coffset; 587 588 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 589 590 if (ri->ri_flg & RI_CURSOR) { 591 /* remove cursor */ 592 coffset = ri->ri_ccol + (ri->ri_crow * ri->ri_cols); 593 coffset += vcons_offset_to_zero(scr); 594 wcfb_putchar(cookie, ri->ri_crow, 595 ri->ri_ccol, scr->scr_chars[coffset], 596 scr->scr_attrs[coffset]); 597 ri->ri_flg &= ~RI_CURSOR; 598 } 599 ri->ri_crow = row; 600 ri->ri_ccol = col; 601 if (on) { 602 long attr, revattr; 603 coffset = col + (row * ri->ri_cols); 604 #ifdef WSDISPLAY_SCROLLSUPPORT 605 coffset += scr->scr_offset_to_zero; 606 #endif 607 attr = scr->scr_attrs[coffset]; 608 revattr = attr ^ 0xffff0000; 609 610 wcfb_putchar(cookie, ri->ri_crow, ri->ri_ccol, 611 scr->scr_chars[coffset], revattr); 612 ri->ri_flg |= RI_CURSOR; 613 } 614 } else { 615 ri->ri_crow = row; 616 ri->ri_ccol = col; 617 ri->ri_flg &= ~RI_CURSOR; 618 } 619 } 620 621 static void 622 wcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 623 { 624 struct rasops_info *ri = cookie; 625 struct vcons_screen *scr = ri->ri_hw; 626 struct wcfb_softc *sc = scr->scr_cookie; 627 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) * 628 sc->sc_stride + ri->ri_xorigin + dstcol * ri->ri_font->fontwidth; 629 uint8_t *from, *to0, *to1; 630 int i; 631 632 sc->copycols(ri, row, srccol, dstcol, ncols); 633 from = sc->sc_shadow + offset; 634 to0 = sc->sc_fb0 + offset; 635 to1 = sc->sc_fb1 + offset; 636 for (i = 0; i < ri->ri_font->fontheight; i++) { 637 memcpy(to0, from, ri->ri_font->fontwidth * ncols); 638 memcpy(to1, from, ri->ri_font->fontwidth * ncols); 639 to0 += sc->sc_stride; 640 to1 += sc->sc_stride; 641 from += sc->sc_stride; 642 } 643 } 644 645 static void 646 wcfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 647 { 648 struct rasops_info *ri = cookie; 649 struct vcons_screen *scr = ri->ri_hw; 650 struct wcfb_softc *sc = scr->scr_cookie; 651 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) * 652 sc->sc_stride + ri->ri_xorigin + startcol * ri->ri_font->fontwidth; 653 uint8_t *to0, *to1; 654 int i; 655 656 sc->erasecols(ri, row, startcol, ncols, fillattr); 657 658 to0 = sc->sc_fb0 + offset; 659 to1 = sc->sc_fb1 + offset; 660 for (i = 0; i < ri->ri_font->fontheight; i++) { 661 memset(to0, ri->ri_devcmap[(fillattr >> 16) & 0xff], 662 ri->ri_font->fontwidth * ncols); 663 memset(to1, ri->ri_devcmap[(fillattr >> 16) & 0xff], 664 ri->ri_font->fontwidth * ncols); 665 to0 += sc->sc_stride; 666 to1 += sc->sc_stride; 667 } 668 } 669 670 static void 671 wcfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 672 { 673 struct rasops_info *ri = cookie; 674 struct vcons_screen *scr = ri->ri_hw; 675 struct wcfb_softc *sc = scr->scr_cookie; 676 int offset = (ri->ri_yorigin + dstrow * ri->ri_font->fontheight) * 677 sc->sc_stride + ri->ri_xorigin; 678 uint8_t *from, *to0, *to1; 679 int i; 680 681 sc->copyrows(ri, srcrow, dstrow, nrows); 682 683 from = sc->sc_shadow + offset; 684 to0 = sc->sc_fb0 + offset; 685 to1 = sc->sc_fb1 + offset; 686 for (i = 0; i < ri->ri_font->fontheight * nrows; i++) { 687 memcpy(to0, from, ri->ri_emuwidth); 688 memcpy(to1, from, ri->ri_emuwidth); 689 to0 += sc->sc_stride; 690 to1 += sc->sc_stride; 691 from += sc->sc_stride; 692 } 693 } 694 695 static void 696 wcfb_eraserows(void *cookie, int row, int nrows, long fillattr) 697 { 698 struct rasops_info *ri = cookie; 699 struct vcons_screen *scr = ri->ri_hw; 700 struct wcfb_softc *sc = scr->scr_cookie; 701 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) * 702 sc->sc_stride + ri->ri_xorigin; 703 uint8_t *to0, *to1; 704 int i; 705 706 sc->eraserows(ri, row, nrows, fillattr); 707 708 to0 = sc->sc_fb0 + offset; 709 to1 = sc->sc_fb1 + offset; 710 for (i = 0; i < ri->ri_font->fontheight * nrows; i++) { 711 memset(to0, ri->ri_devcmap[(fillattr >> 16) & 0xff], 712 ri->ri_emuwidth); 713 memset(to1, ri->ri_devcmap[(fillattr >> 16) & 0xff], 714 ri->ri_emuwidth); 715 to0 += sc->sc_stride; 716 to1 += sc->sc_stride; 717 } 718 } 719 720 static void 721 wcfb_bitblt(struct wcfb_softc *sc, int sx, int sy, int dx, int dy, int w, 722 int h, uint32_t rop) 723 { 724 wcfb_rop_wait(sc); 725 wcfb_rop_jfb(sc, sx, sy, dx, dy, w, h, rop, 0x0f); 726 } 727 728 static void 729 wcfb_rectfill(struct wcfb_softc *sc, int x, int y, int w, int h, int bg) 730 { 731 int32_t mask; 732 733 /* clear everything just in case... */ 734 wcfb_rop_wait(sc); 735 wcfb_rop_jfb(sc, x, y, x, y, w, h, WC_ROP_CLEAR, 0xffffffff); 736 737 /* pixels to set... */ 738 mask = 0x0f & bg; 739 if (mask != 0) { 740 wcfb_rop_wait(sc); 741 wcfb_rop_jfb(sc, x, y, x, y, w, h, WC_ROP_SET, mask); 742 } 743 744 } 745 746 void 747 wcfb_rop_common(struct wcfb_softc *sc, bus_addr_t reg, int sx, int sy, 748 int dx, int dy, int w, int h, uint32_t rop, int32_t planemask) 749 { 750 int dir = 0; 751 752 /* 753 * Compute rop direction. This only really matters for 754 * screen-to-screen copies. 755 */ 756 if (sy < dy /* && sy + h > dy */) { 757 sy += h - 1; 758 dy += h; 759 dir |= WC_BLT_DIR_BACKWARDS_Y; 760 } 761 if (sx < dx /* && sx + w > dx */) { 762 sx += w - 1; 763 dx += w; 764 dir |= WC_BLT_DIR_BACKWARDS_X; 765 } 766 767 /* Which one of those below is your magic number for today? */ 768 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x61000001); 769 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0); 770 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x6301c080); 771 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x80000000); 772 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, rop); 773 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, planemask); 774 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0); 775 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x64000303); 776 /* 777 * This value is a pixel offset within the destination area. It is 778 * probably used to define complex polygon shapes, with the 779 * last pixel in the list being back to (0,0). 780 */ 781 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(0, 0)); 782 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0); 783 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x00030000); 784 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x2200010d); 785 786 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x33f01000 | dir); 787 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(dx, dy)); 788 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(w, h)); 789 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(sx, sy)); 790 } 791 792 793 static void 794 wcfb_rop_jfb(struct wcfb_softc *sc, int sx, int sy, int dx, int dy, 795 int w, int h, uint32_t rop, int32_t planemask) 796 { 797 bus_addr_t reg = WC_JFB_ENGINE; 798 uint32_t spr, splr; 799 800 #if 0 801 /* 802 * Pick the current spr and splr values from the communication 803 * area if possible. 804 */ 805 if (sc->sc_comm != NULL) { 806 spr = sc->sc_comm[IFB_SHARED_TERM8_SPR >> 2]; 807 splr = sc->sc_comm[IFB_SHARED_TERM8_SPLR >> 2]; 808 } else 809 #endif 810 { 811 /* supposedly sane defaults */ 812 spr = 0x54ff0303; 813 splr = 0x5c0000ff; 814 } 815 816 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x00400016); 817 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5b000002); 818 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5a000000); 819 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, spr); 820 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, splr); 821 822 wcfb_rop_common(sc, reg, sx, sy, dx, dy, w, h, rop, planemask); 823 824 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5a000001); 825 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5b000001); 826 } 827 828 static int 829 wcfb_rop_wait(struct wcfb_softc *sc) 830 { 831 int i; 832 833 for (i = 1000000; i != 0; i--) { 834 if (bus_space_read_4(sc->sc_regt, sc->sc_regh, 835 WC_STATUS) & WC_STATUS_DONE) 836 break; 837 delay(1); 838 } 839 840 return i; 841 } 842 843 static void 844 wcfb_acc_putchar(void *cookie, int row, int col, u_int c, long attr) 845 { 846 struct rasops_info *ri = cookie; 847 struct vcons_screen *scr = ri->ri_hw; 848 struct wcfb_softc *sc = scr->scr_cookie; 849 struct wsdisplay_font *font = PICK_FONT(ri, c); 850 int x, y, wi, he; 851 uint32_t bg; 852 853 wi = font->fontwidth; 854 he = font->fontheight; 855 x = ri->ri_xorigin + col * wi; 856 y = ri->ri_yorigin + row * he; 857 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 858 if (c == 0x20) { 859 wcfb_rectfill(sc, x, y, wi, he, bg); 860 return; 861 } 862 /* we wait until the blitter is idle... */ 863 wcfb_rop_wait(sc); 864 /* ... draw the character into buffer 0 ... */ 865 sc->putchar(ri, row, col, c, attr); 866 /* ... and then blit it into buffer 1 */ 867 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_COPY); 868 } 869 870 static void 871 wcfb_acc_cursor(void *cookie, int on, int row, int col) 872 { 873 struct rasops_info *ri = cookie; 874 struct vcons_screen *scr = ri->ri_hw; 875 struct wcfb_softc *sc = scr->scr_cookie; 876 int x, y, wi, he; 877 878 wi = ri->ri_font->fontwidth; 879 he = ri->ri_font->fontheight; 880 881 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 882 x = ri->ri_ccol * wi + ri->ri_xorigin; 883 y = ri->ri_crow * he + ri->ri_yorigin; 884 if (ri->ri_flg & RI_CURSOR) { 885 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_XOR); 886 ri->ri_flg &= ~RI_CURSOR; 887 } 888 ri->ri_crow = row; 889 ri->ri_ccol = col; 890 if (on) { 891 x = ri->ri_ccol * wi + ri->ri_xorigin; 892 y = ri->ri_crow * he + ri->ri_yorigin; 893 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_XOR); 894 ri->ri_flg |= RI_CURSOR; 895 } 896 } else { 897 scr->scr_ri.ri_crow = row; 898 scr->scr_ri.ri_ccol = col; 899 scr->scr_ri.ri_flg &= ~RI_CURSOR; 900 } 901 902 } 903 904 static void 905 wcfb_acc_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 906 { 907 struct rasops_info *ri = cookie; 908 struct vcons_screen *scr = ri->ri_hw; 909 struct wcfb_softc *sc = scr->scr_cookie; 910 int32_t xs, xd, y, width, height; 911 912 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 913 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 914 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 915 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 916 width = ri->ri_font->fontwidth * ncols; 917 height = ri->ri_font->fontheight; 918 wcfb_bitblt(sc, xs, y, xd, y, width, height, WC_ROP_COPY); 919 } 920 } 921 922 static void 923 wcfb_acc_erasecols(void *cookie, int row, int startcol, int ncols, 924 long fillattr) 925 { 926 struct rasops_info *ri = cookie; 927 struct vcons_screen *scr = ri->ri_hw; 928 struct wcfb_softc *sc = scr->scr_cookie; 929 int32_t x, y, width, height, fg, bg, ul; 930 931 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 932 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 933 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 934 width = ri->ri_font->fontwidth * ncols; 935 height = ri->ri_font->fontheight; 936 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 937 938 wcfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 939 } 940 } 941 942 static void 943 wcfb_acc_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 944 { 945 struct rasops_info *ri = cookie; 946 struct vcons_screen *scr = ri->ri_hw; 947 struct wcfb_softc *sc = scr->scr_cookie; 948 int32_t x, ys, yd, width, height; 949 950 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 951 x = ri->ri_xorigin; 952 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 953 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 954 width = ri->ri_emuwidth; 955 height = ri->ri_font->fontheight * nrows; 956 wcfb_bitblt(sc, x, ys, x, yd, width, height, WC_ROP_COPY); 957 } 958 } 959 960 static void 961 wcfb_acc_eraserows(void *cookie, int row, int nrows, long fillattr) 962 { 963 struct rasops_info *ri = cookie; 964 struct vcons_screen *scr = ri->ri_hw; 965 struct wcfb_softc *sc = scr->scr_cookie; 966 int32_t x, y, width, height, fg, bg, ul; 967 968 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 969 x = ri->ri_xorigin; 970 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 971 width = ri->ri_emuwidth; 972 height = ri->ri_font->fontheight * nrows; 973 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 974 975 wcfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 976 } 977 } 978
Indexes created Sun Sep 21 20:09:37 GMT 2025