r128fb.c revision 1.5
1 /* $NetBSD: r128fb.c,v 1.5 2008/05/30 19:56:14 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * A console driver for ATI Rage 128 graphics controllers 30 * tested on macppc only so far 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: r128fb.c,v 1.5 2008/05/30 19:56:14 macallan Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/lwp.h> 42 #include <sys/kauth.h> 43 44 #include <uvm/uvm_extern.h> 45 46 #include <dev/videomode/videomode.h> 47 48 #include <dev/pci/pcivar.h> 49 #include <dev/pci/pcireg.h> 50 #include <dev/pci/pcidevs.h> 51 #include <dev/pci/pciio.h> 52 #include <dev/pci/r128fbreg.h> 53 54 #include <dev/wscons/wsdisplayvar.h> 55 #include <dev/wscons/wsconsio.h> 56 #include <dev/wsfont/wsfont.h> 57 #include <dev/rasops/rasops.h> 58 #include <dev/wscons/wsdisplay_vconsvar.h> 59 60 #include <dev/i2c/i2cvar.h> 61 62 struct r128fb_softc { 63 device_t sc_dev; 64 65 pci_chipset_tag_t sc_pc; 66 pcitag_t sc_pcitag; 67 68 bus_space_tag_t sc_memt; 69 bus_space_tag_t sc_iot; 70 71 bus_space_handle_t sc_fbh; 72 bus_space_handle_t sc_regh; 73 bus_addr_t sc_fb, sc_reg; 74 bus_size_t sc_fbsize, sc_regsize; 75 76 int sc_width, sc_height, sc_depth, sc_stride; 77 int sc_locked; 78 void *sc_fbaddr; 79 struct vcons_screen sc_console_screen; 80 struct wsscreen_descr sc_defaultscreen_descr; 81 const struct wsscreen_descr *sc_screens[1]; 82 struct wsscreen_list sc_screenlist; 83 struct vcons_data vd; 84 int sc_mode; 85 u_char sc_cmap_red[256]; 86 u_char sc_cmap_green[256]; 87 u_char sc_cmap_blue[256]; 88 /* engine stuff */ 89 uint32_t sc_master_cntl; 90 }; 91 92 static int r128fb_match(device_t, cfdata_t, void *); 93 static void r128fb_attach(device_t, device_t, void *); 94 95 CFATTACH_DECL_NEW(r128fb, sizeof(struct r128fb_softc), 96 r128fb_match, r128fb_attach, NULL, NULL); 97 98 extern const u_char rasops_cmap[768]; 99 100 static int r128fb_ioctl(void *, void *, u_long, void *, int, 101 struct lwp *); 102 static paddr_t r128fb_mmap(void *, void *, off_t, int); 103 static void r128fb_init_screen(void *, struct vcons_screen *, int, long *); 104 105 static int r128fb_putcmap(struct r128fb_softc *, struct wsdisplay_cmap *); 106 static int r128fb_getcmap(struct r128fb_softc *, struct wsdisplay_cmap *); 107 static void r128fb_restore_palette(struct r128fb_softc *); 108 static int r128fb_putpalreg(struct r128fb_softc *, uint8_t, uint8_t, 109 uint8_t, uint8_t); 110 111 static void r128fb_init(struct r128fb_softc *); 112 static void r128fb_flush_engine(struct r128fb_softc *); 113 static void r128fb_rectfill(struct r128fb_softc *, int, int, int, int, 114 uint32_t); 115 static void r128fb_bitblt(struct r128fb_softc *, int, int, int, int, int, 116 int, int); 117 118 static void r128fb_cursor(void *, int, int, int); 119 #if 0 120 static void r128fb_putchar(void *, int, int, u_int, long); 121 #endif 122 static void r128fb_copycols(void *, int, int, int, int); 123 static void r128fb_erasecols(void *, int, int, int, long); 124 static void r128fb_copyrows(void *, int, int, int); 125 static void r128fb_eraserows(void *, int, int, long); 126 127 struct wsdisplay_accessops r128fb_accessops = { 128 r128fb_ioctl, 129 r128fb_mmap, 130 NULL, /* alloc_screen */ 131 NULL, /* free_screen */ 132 NULL, /* show_screen */ 133 NULL, /* load_font */ 134 NULL, /* pollc */ 135 NULL /* scroll */ 136 }; 137 138 static inline void 139 r128fb_wait(struct r128fb_softc *sc, int slots) 140 { 141 uint32_t reg; 142 143 do { 144 reg = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 145 R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK); 146 } while (reg <= slots); 147 } 148 149 static void 150 r128fb_flush_engine(struct r128fb_softc *sc) 151 { 152 uint32_t reg; 153 154 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT); 155 reg |= R128_PC_FLUSH_ALL; 156 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT, reg); 157 do { 158 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 159 R128_PC_NGUI_CTLSTAT); 160 } while (reg & R128_PC_BUSY); 161 } 162 163 static int 164 r128fb_match(device_t parent, cfdata_t match, void *aux) 165 { 166 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 167 168 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) 169 return 0; 170 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI) 171 return 0; 172 173 /* only cards tested on so far - likely need a list */ 174 if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE1AGP4XT) || 175 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE3AGP4XT)) 176 return 100; 177 return (0); 178 } 179 180 static void 181 r128fb_attach(device_t parent, device_t self, void *aux) 182 { 183 struct r128fb_softc *sc = device_private(self); 184 struct pci_attach_args *pa = aux; 185 struct rasops_info *ri; 186 char devinfo[256]; 187 struct wsemuldisplaydev_attach_args aa; 188 prop_dictionary_t dict; 189 unsigned long defattr; 190 bool is_console; 191 int i, j; 192 193 sc->sc_pc = pa->pa_pc; 194 sc->sc_pcitag = pa->pa_tag; 195 sc->sc_memt = pa->pa_memt; 196 sc->sc_iot = pa->pa_iot; 197 sc->sc_dev = self; 198 199 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 200 aprint_normal(": %s\n", devinfo); 201 202 /* fill in parameters from properties */ 203 dict = device_properties(self); 204 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 205 aprint_error("%s: no width property\n", device_xname(self)); 206 return; 207 } 208 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 209 aprint_error("%s: no height property\n", device_xname(self)); 210 return; 211 } 212 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 213 aprint_error("%s: no depth property\n", device_xname(self)); 214 return; 215 } 216 if (!prop_dictionary_get_uint32(dict, "linebytes", &sc->sc_stride)) { 217 aprint_error("%s: no linebytes property\n", 218 device_xname(self)); 219 return; 220 } 221 222 prop_dictionary_get_bool(dict, "is_console", &is_console); 223 224 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 225 BUS_SPACE_MAP_LINEAR, 226 &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) { 227 aprint_error("%s: failed to map the frame buffer.\n", 228 device_xname(sc->sc_dev)); 229 } 230 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 231 232 if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0, 233 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 234 aprint_error("%s: failed to map registers.\n", 235 device_xname(sc->sc_dev)); 236 } 237 238 /* 239 * XXX yeah, casting the fb address to uint32_t is formally wrong 240 * but as far as I know there are no mach64 with 64bit BARs 241 */ 242 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 243 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 244 245 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 246 "default", 247 0, 0, 248 NULL, 249 8, 16, 250 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 251 NULL 252 }; 253 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 254 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 255 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 256 sc->sc_locked = 0; 257 258 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 259 &r128fb_accessops); 260 sc->vd.init_screen = r128fb_init_screen; 261 262 /* init engine here */ 263 r128fb_init(sc); 264 265 ri = &sc->sc_console_screen.scr_ri; 266 267 if (is_console) { 268 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 269 &defattr); 270 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 271 272 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 273 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 274 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 275 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 276 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 277 defattr); 278 } else { 279 /* 280 * since we're not the console we can postpone the rest 281 * until someone actually allocates a screen for us 282 */ 283 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 284 } 285 286 j = 0; 287 for (i = 0; i < (1 << sc->sc_depth); i++) { 288 289 sc->sc_cmap_red[i] = rasops_cmap[j]; 290 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 291 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 292 r128fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 293 rasops_cmap[j + 2]); 294 j += 3; 295 } 296 297 r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 298 ri->ri_devcmap[(defattr >> 16) & 0xff]); 299 300 aa.console = is_console; 301 aa.scrdata = &sc->sc_screenlist; 302 aa.accessops = &r128fb_accessops; 303 aa.accesscookie = &sc->vd; 304 305 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 306 307 } 308 309 static int 310 r128fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 311 struct lwp *l) 312 { 313 struct vcons_data *vd = v; 314 struct r128fb_softc *sc = vd->cookie; 315 struct wsdisplay_fbinfo *wdf; 316 struct vcons_screen *ms = vd->active; 317 318 switch (cmd) { 319 320 case WSDISPLAYIO_GTYPE: 321 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 322 return 0; 323 324 /* PCI config read/write passthrough. */ 325 case PCI_IOC_CFGREAD: 326 case PCI_IOC_CFGWRITE: 327 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag, 328 cmd, data, flag, l)); 329 330 case WSDISPLAYIO_GINFO: 331 if (ms == NULL) 332 return ENODEV; 333 wdf = (void *)data; 334 wdf->height = ms->scr_ri.ri_height; 335 wdf->width = ms->scr_ri.ri_width; 336 wdf->depth = ms->scr_ri.ri_depth; 337 wdf->cmsize = 256; 338 return 0; 339 340 case WSDISPLAYIO_GETCMAP: 341 return r128fb_getcmap(sc, 342 (struct wsdisplay_cmap *)data); 343 344 case WSDISPLAYIO_PUTCMAP: 345 return r128fb_putcmap(sc, 346 (struct wsdisplay_cmap *)data); 347 348 case WSDISPLAYIO_LINEBYTES: 349 *(u_int *)data = sc->sc_stride; 350 return 0; 351 352 case WSDISPLAYIO_SMODE: 353 { 354 int new_mode = *(int*)data; 355 356 /* notify the bus backend */ 357 if (new_mode != sc->sc_mode) { 358 sc->sc_mode = new_mode; 359 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 360 r128fb_restore_palette(sc); 361 vcons_redraw_screen(ms); 362 } 363 } 364 } 365 return 0; 366 } 367 return EPASSTHROUGH; 368 } 369 370 static paddr_t 371 r128fb_mmap(void *v, void *vs, off_t offset, int prot) 372 { 373 struct vcons_data *vd = v; 374 struct r128fb_softc *sc = vd->cookie; 375 struct lwp *me; 376 paddr_t pa; 377 378 /* 'regular' framebuffer mmap()ing */ 379 if (offset < sc->sc_fbsize) { 380 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 381 BUS_SPACE_MAP_LINEAR); 382 return pa; 383 } 384 385 /* 386 * restrict all other mappings to processes with superuser privileges 387 * or the kernel itself 388 */ 389 me = curlwp; 390 if (me != NULL) { 391 if (kauth_authorize_generic(me->l_cred, KAUTH_GENERIC_ISSUSER, 392 NULL) != 0) { 393 aprint_normal("%s: mmap() rejected.\n", 394 device_xname(sc->sc_dev)); 395 return -1; 396 } 397 } 398 399 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 400 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 401 BUS_SPACE_MAP_LINEAR); 402 return pa; 403 } 404 405 if ((offset >= sc->sc_reg) && 406 (offset < (sc->sc_reg + sc->sc_regsize))) { 407 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 408 BUS_SPACE_MAP_LINEAR); 409 return pa; 410 } 411 412 #ifdef PCI_MAGIC_IO_RANGE 413 /* allow mapping of IO space */ 414 if ((offset >= PCI_MAGIC_IO_RANGE) && 415 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 416 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 417 0, prot, BUS_SPACE_MAP_LINEAR); 418 return pa; 419 } 420 #endif 421 422 #ifdef OFB_ALLOW_OTHERS 423 if (offset >= 0x80000000) { 424 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 425 BUS_SPACE_MAP_LINEAR); 426 return pa; 427 } 428 #endif 429 return -1; 430 } 431 432 static void 433 r128fb_init_screen(void *cookie, struct vcons_screen *scr, 434 int existing, long *defattr) 435 { 436 struct r128fb_softc *sc = cookie; 437 struct rasops_info *ri = &scr->scr_ri; 438 439 ri->ri_depth = sc->sc_depth; 440 ri->ri_width = sc->sc_width; 441 ri->ri_height = sc->sc_height; 442 ri->ri_stride = sc->sc_stride; 443 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 444 445 ri->ri_bits = (char *)sc->sc_fbaddr; 446 447 if (existing) { 448 ri->ri_flg |= RI_CLEAR; 449 } 450 451 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 452 ri->ri_caps = WSSCREEN_WSCOLORS; 453 454 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 455 sc->sc_width / ri->ri_font->fontwidth); 456 457 ri->ri_hw = scr; 458 ri->ri_ops.copyrows = r128fb_copyrows; 459 ri->ri_ops.copycols = r128fb_copycols; 460 ri->ri_ops.eraserows = r128fb_eraserows; 461 ri->ri_ops.erasecols = r128fb_erasecols; 462 ri->ri_ops.cursor = r128fb_cursor; 463 #if 0 464 ri->ri_ops.putchar = r128fb_putchar; 465 #endif 466 } 467 468 static int 469 r128fb_putcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 470 { 471 u_char *r, *g, *b; 472 u_int index = cm->index; 473 u_int count = cm->count; 474 int i, error; 475 u_char rbuf[256], gbuf[256], bbuf[256]; 476 477 #ifdef R128FB_DEBUG 478 aprint_debug("putcmap: %d %d\n",index, count); 479 #endif 480 if (cm->index >= 256 || cm->count > 256 || 481 (cm->index + cm->count) > 256) 482 return EINVAL; 483 error = copyin(cm->red, &rbuf[index], count); 484 if (error) 485 return error; 486 error = copyin(cm->green, &gbuf[index], count); 487 if (error) 488 return error; 489 error = copyin(cm->blue, &bbuf[index], count); 490 if (error) 491 return error; 492 493 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 494 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 495 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 496 497 r = &sc->sc_cmap_red[index]; 498 g = &sc->sc_cmap_green[index]; 499 b = &sc->sc_cmap_blue[index]; 500 501 for (i = 0; i < count; i++) { 502 r128fb_putpalreg(sc, index, *r, *g, *b); 503 index++; 504 r++, g++, b++; 505 } 506 return 0; 507 } 508 509 static int 510 r128fb_getcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 511 { 512 u_int index = cm->index; 513 u_int count = cm->count; 514 int error; 515 516 if (index >= 255 || count > 256 || index + count > 256) 517 return EINVAL; 518 519 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 520 if (error) 521 return error; 522 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 523 if (error) 524 return error; 525 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 526 if (error) 527 return error; 528 529 return 0; 530 } 531 532 static void 533 r128fb_restore_palette(struct r128fb_softc *sc) 534 { 535 int i; 536 537 for (i = 0; i < (1 << sc->sc_depth); i++) { 538 r128fb_putpalreg(sc, i, sc->sc_cmap_red[i], 539 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 540 } 541 } 542 543 static int 544 r128fb_putpalreg(struct r128fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 545 uint8_t b) 546 { 547 uint32_t reg; 548 549 /* whack the DAC */ 550 reg = (r << 16) | (g << 8) | b; 551 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_INDEX, idx); 552 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_DATA, reg); 553 return 0; 554 } 555 556 static void 557 r128fb_init(struct r128fb_softc *sc) 558 { 559 uint32_t datatype; 560 561 r128fb_flush_engine(sc); 562 563 r128fb_wait(sc, 8); 564 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_OFFSET, 0); 565 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_OFFSET, 0); 566 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_PITCH, 567 sc->sc_stride >> 3); 568 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_AUX_SC_CNTL, 0); 569 bus_space_write_4(sc->sc_memt, sc->sc_regh, 570 R128_DEFAULT_SC_BOTTOM_RIGHT, 571 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 572 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_TOP_LEFT, 0); 573 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_BOTTOM_RIGHT, 574 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 575 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, 576 R128_HOST_BIG_ENDIAN_EN); 577 578 r128fb_wait(sc, 5); 579 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_PITCH, 580 sc->sc_stride >> 3); 581 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_PITCH, 582 sc->sc_stride >> 3); 583 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_OFFSET, 0); 584 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_OFFSET, 0); 585 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_WRITE_MASK, 586 0xffffffff); 587 588 switch (sc->sc_depth) { 589 case 8: 590 datatype = R128_GMC_DST_8BPP_CI; 591 break; 592 case 15: 593 datatype = R128_GMC_DST_15BPP; 594 break; 595 case 16: 596 datatype = R128_GMC_DST_16BPP; 597 break; 598 case 24: 599 datatype = R128_GMC_DST_24BPP; 600 break; 601 case 32: 602 datatype = R128_GMC_DST_32BPP; 603 break; 604 default: 605 aprint_error("%s: unsupported depth %d\n", 606 device_xname(sc->sc_dev), sc->sc_depth); 607 return; 608 } 609 sc->sc_master_cntl = R128_GMC_CLR_CMP_CNTL_DIS | 610 R128_GMC_AUX_CLIP_DIS | datatype; 611 612 r128fb_flush_engine(sc); 613 } 614 615 static void 616 r128fb_rectfill(struct r128fb_softc *sc, int x, int y, int wi, int he, 617 uint32_t colour) 618 { 619 620 r128fb_wait(sc, 6); 621 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 622 R128_GMC_BRUSH_SOLID_COLOR | 623 R128_GMC_SRC_DATATYPE_COLOR | 624 R128_ROP3_P | 625 sc->sc_master_cntl); 626 627 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_BRUSH_FRGD_CLR, 628 colour); 629 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, 630 R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM); 631 /* now feed it coordinates */ 632 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 633 (x << 16) | y); 634 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 635 (wi << 16) | he); 636 r128fb_flush_engine(sc); 637 } 638 639 static void 640 r128fb_bitblt(struct r128fb_softc *sc, int xs, int ys, int xd, int yd, 641 int wi, int he, int rop) 642 { 643 uint32_t dp_cntl = 0; 644 645 r128fb_wait(sc, 5); 646 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 647 R128_GMC_BRUSH_SOLID_COLOR | 648 R128_GMC_SRC_DATATYPE_COLOR | 649 rop | 650 R128_DP_SRC_SOURCE_MEMORY | 651 sc->sc_master_cntl); 652 653 if (yd <= ys) { 654 dp_cntl = R128_DST_Y_TOP_TO_BOTTOM; 655 } else { 656 ys += he - 1; 657 yd += he - 1; 658 } 659 if (xd <= xs) { 660 dp_cntl |= R128_DST_X_LEFT_TO_RIGHT; 661 } else { 662 xs += wi - 1; 663 xd += wi - 1; 664 } 665 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, dp_cntl); 666 667 /* now feed it coordinates */ 668 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 669 (xs << 16) | ys); 670 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 671 (xd << 16) | yd); 672 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 673 (wi << 16) | he); 674 r128fb_flush_engine(sc); 675 } 676 677 static void 678 r128fb_cursor(void *cookie, int on, int row, int col) 679 { 680 struct rasops_info *ri = cookie; 681 struct vcons_screen *scr = ri->ri_hw; 682 struct r128fb_softc *sc = scr->scr_cookie; 683 int x, y, wi, he; 684 685 wi = ri->ri_font->fontwidth; 686 he = ri->ri_font->fontheight; 687 688 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 689 x = ri->ri_ccol * wi + ri->ri_xorigin; 690 y = ri->ri_crow * he + ri->ri_yorigin; 691 if (ri->ri_flg & RI_CURSOR) { 692 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 693 ri->ri_flg &= ~RI_CURSOR; 694 } 695 ri->ri_crow = row; 696 ri->ri_ccol = col; 697 if (on) { 698 x = ri->ri_ccol * wi + ri->ri_xorigin; 699 y = ri->ri_crow * he + ri->ri_yorigin; 700 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 701 ri->ri_flg |= RI_CURSOR;; 702 } 703 } else { 704 scr->scr_ri.ri_crow = row; 705 scr->scr_ri.ri_ccol = col; 706 scr->scr_ri.ri_flg &= ~RI_CURSOR; 707 } 708 709 } 710 711 #if 0 712 static void 713 r128fb_putchar(void *cookie, int row, int col, u_int c, long attr) 714 { 715 } 716 #endif 717 718 static void 719 r128fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 720 { 721 struct rasops_info *ri = cookie; 722 struct vcons_screen *scr = ri->ri_hw; 723 struct r128fb_softc *sc = scr->scr_cookie; 724 int32_t xs, xd, y, width, height; 725 726 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 727 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 728 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 729 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 730 width = ri->ri_font->fontwidth * ncols; 731 height = ri->ri_font->fontheight; 732 r128fb_bitblt(sc, xs, y, xd, y, width, height, R128_ROP3_S); 733 } 734 } 735 736 static void 737 r128fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 738 { 739 struct rasops_info *ri = cookie; 740 struct vcons_screen *scr = ri->ri_hw; 741 struct r128fb_softc *sc = scr->scr_cookie; 742 int32_t x, y, width, height, fg, bg, ul; 743 744 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 745 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 746 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 747 width = ri->ri_font->fontwidth * ncols; 748 height = ri->ri_font->fontheight; 749 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 750 751 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 752 } 753 } 754 755 static void 756 r128fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 757 { 758 struct rasops_info *ri = cookie; 759 struct vcons_screen *scr = ri->ri_hw; 760 struct r128fb_softc *sc = scr->scr_cookie; 761 int32_t x, ys, yd, width, height; 762 763 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 764 x = ri->ri_xorigin; 765 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 766 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 767 width = ri->ri_emuwidth; 768 height = ri->ri_font->fontheight*nrows; 769 r128fb_bitblt(sc, x, ys, x, yd, width, height, R128_ROP3_S); 770 } 771 } 772 773 static void 774 r128fb_eraserows(void *cookie, int row, int nrows, long fillattr) 775 { 776 struct rasops_info *ri = cookie; 777 struct vcons_screen *scr = ri->ri_hw; 778 struct r128fb_softc *sc = scr->scr_cookie; 779 int32_t x, y, width, height, fg, bg, ul; 780 781 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 782 x = ri->ri_xorigin; 783 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 784 width = ri->ri_emuwidth; 785 height = ri->ri_font->fontheight * nrows; 786 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 787 788 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 789 } 790 } 791 792
Indexes created Mon Sep 29 21:09:56 GMT 2025