r128fb.c revision 1.3
1 /* $NetBSD: r128fb.c,v 1.3 2008/02/27 23:59:37 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * A console driver for ATI Rage 128 graphics controllers 32 * tested on macppc only so far 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: r128fb.c,v 1.3 2008/02/27 23:59:37 macallan Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/device.h> 42 #include <sys/malloc.h> 43 #include <sys/lwp.h> 44 #include <sys/kauth.h> 45 46 #include <uvm/uvm_extern.h> 47 48 #include <dev/videomode/videomode.h> 49 50 #include <dev/pci/pcivar.h> 51 #include <dev/pci/pcireg.h> 52 #include <dev/pci/pcidevs.h> 53 #include <dev/pci/pciio.h> 54 #include <dev/pci/r128fbreg.h> 55 56 #include <dev/wscons/wsdisplayvar.h> 57 #include <dev/wscons/wsconsio.h> 58 #include <dev/wsfont/wsfont.h> 59 #include <dev/rasops/rasops.h> 60 #include <dev/wscons/wsdisplay_vconsvar.h> 61 62 #include <dev/i2c/i2cvar.h> 63 64 struct r128fb_softc { 65 device_t sc_dev; 66 67 pci_chipset_tag_t sc_pc; 68 pcitag_t sc_pcitag; 69 70 bus_space_tag_t sc_memt; 71 bus_space_tag_t sc_iot; 72 73 bus_space_handle_t sc_fbh; 74 bus_space_handle_t sc_regh; 75 bus_addr_t sc_fb, sc_reg; 76 bus_size_t sc_fbsize, sc_regsize; 77 78 int sc_width, sc_height, sc_depth, sc_stride; 79 int sc_locked; 80 void *sc_fbaddr; 81 struct vcons_screen sc_console_screen; 82 struct wsscreen_descr sc_defaultscreen_descr; 83 const struct wsscreen_descr *sc_screens[1]; 84 struct wsscreen_list sc_screenlist; 85 struct vcons_data vd; 86 int sc_mode; 87 u_char sc_cmap_red[256]; 88 u_char sc_cmap_green[256]; 89 u_char sc_cmap_blue[256]; 90 /* engine stuff */ 91 uint32_t sc_master_cntl; 92 }; 93 94 static int r128fb_match(device_t, cfdata_t, void *); 95 static void r128fb_attach(device_t, device_t, void *); 96 97 CFATTACH_DECL_NEW(r128fb, sizeof(struct r128fb_softc), 98 r128fb_match, r128fb_attach, NULL, NULL); 99 100 extern const u_char rasops_cmap[768]; 101 102 static int r128fb_ioctl(void *, void *, u_long, void *, int, 103 struct lwp *); 104 static paddr_t r128fb_mmap(void *, void *, off_t, int); 105 static void r128fb_init_screen(void *, struct vcons_screen *, int, long *); 106 107 static int r128fb_putcmap(struct r128fb_softc *, struct wsdisplay_cmap *); 108 static int r128fb_getcmap(struct r128fb_softc *, struct wsdisplay_cmap *); 109 static void r128fb_restore_palette(struct r128fb_softc *); 110 static int r128fb_putpalreg(struct r128fb_softc *, uint8_t, uint8_t, 111 uint8_t, uint8_t); 112 113 static void r128fb_init(struct r128fb_softc *); 114 static void r128fb_flush_engine(struct r128fb_softc *); 115 static void r128fb_rectfill(struct r128fb_softc *, int, int, int, int, 116 uint32_t); 117 static void r128fb_bitblt(struct r128fb_softc *, int, int, int, int, int, 118 int, int); 119 120 static void r128fb_cursor(void *, int, int, int); 121 #if 0 122 static void r128fb_putchar(void *, int, int, u_int, long); 123 #endif 124 static void r128fb_copycols(void *, int, int, int, int); 125 static void r128fb_erasecols(void *, int, int, int, long); 126 static void r128fb_copyrows(void *, int, int, int); 127 static void r128fb_eraserows(void *, int, int, long); 128 129 struct wsdisplay_accessops r128fb_accessops = { 130 r128fb_ioctl, 131 r128fb_mmap, 132 NULL, /* alloc_screen */ 133 NULL, /* free_screen */ 134 NULL, /* show_screen */ 135 NULL, /* load_font */ 136 NULL, /* pollc */ 137 NULL /* scroll */ 138 }; 139 140 static inline void 141 r128fb_wait(struct r128fb_softc *sc, int slots) 142 { 143 uint32_t reg; 144 145 do { 146 reg = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 147 R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK); 148 } while (reg <= slots); 149 } 150 151 static void 152 r128fb_flush_engine(struct r128fb_softc *sc) 153 { 154 uint32_t reg; 155 156 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT); 157 reg |= R128_PC_FLUSH_ALL; 158 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT, reg); 159 do { 160 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 161 R128_PC_NGUI_CTLSTAT); 162 } while (reg & R128_PC_BUSY); 163 } 164 165 static int 166 r128fb_match(device_t parent, cfdata_t match, void *aux) 167 { 168 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 169 170 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY || 171 PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_DISPLAY_VGA) 172 return 0; 173 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI) 174 return 0; 175 176 /* only card tested on so far - likely need a list */ 177 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE1AGP4XT) 178 return 100; 179 return (0); 180 } 181 182 static void 183 r128fb_attach(device_t parent, device_t self, void *aux) 184 { 185 struct r128fb_softc *sc = device_private(self); 186 struct pci_attach_args *pa = aux; 187 struct rasops_info *ri; 188 char devinfo[256]; 189 struct wsemuldisplaydev_attach_args aa; 190 prop_dictionary_t dict; 191 unsigned long defattr; 192 bool is_console; 193 int i, j; 194 195 sc->sc_pc = pa->pa_pc; 196 sc->sc_pcitag = pa->pa_tag; 197 sc->sc_memt = pa->pa_memt; 198 sc->sc_iot = pa->pa_iot; 199 sc->sc_dev = self; 200 201 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 202 aprint_normal(": %s\n", devinfo); 203 204 /* fill in parameters from properties */ 205 dict = device_properties(self); 206 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 207 aprint_error("%s: no width property\n", device_xname(self)); 208 return; 209 } 210 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 211 aprint_error("%s: no height property\n", device_xname(self)); 212 return; 213 } 214 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 215 aprint_error("%s: no depth property\n", device_xname(self)); 216 return; 217 } 218 if (!prop_dictionary_get_uint32(dict, "linebytes", &sc->sc_stride)) { 219 aprint_error("%s: no linebytes property\n", 220 device_xname(self)); 221 return; 222 } 223 224 prop_dictionary_get_bool(dict, "is_console", &is_console); 225 226 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 227 BUS_SPACE_MAP_LINEAR, 228 &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) { 229 aprint_error("%s: failed to map the frame buffer.\n", 230 device_xname(sc->sc_dev)); 231 } 232 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 233 234 if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0, 235 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 236 aprint_error("%s: failed to map registers.\n", 237 device_xname(sc->sc_dev)); 238 } 239 240 /* 241 * XXX yeah, casting the fb address to uint32_t is formally wrong 242 * but as far as I know there are no mach64 with 64bit BARs 243 */ 244 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 245 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 246 247 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 248 "default", 249 0, 0, 250 NULL, 251 8, 16, 252 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 253 NULL 254 }; 255 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 256 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 257 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 258 sc->sc_locked = 0; 259 260 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 261 &r128fb_accessops); 262 sc->vd.init_screen = r128fb_init_screen; 263 264 /* init engine here */ 265 r128fb_init(sc); 266 267 ri = &sc->sc_console_screen.scr_ri; 268 269 if (is_console) { 270 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 271 &defattr); 272 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 273 274 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 275 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 276 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 277 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 278 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 279 defattr); 280 } else { 281 /* 282 * since we're not the console we can postpone the rest 283 * until someone actually allocates a screen for us 284 */ 285 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 286 } 287 288 j = 0; 289 for (i = 0; i < (1 << sc->sc_depth); i++) { 290 291 sc->sc_cmap_red[i] = rasops_cmap[j]; 292 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 293 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 294 r128fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 295 rasops_cmap[j + 2]); 296 j += 3; 297 } 298 299 r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 300 ri->ri_devcmap[(defattr >> 16) & 0xff]); 301 302 aa.console = is_console; 303 aa.scrdata = &sc->sc_screenlist; 304 aa.accessops = &r128fb_accessops; 305 aa.accesscookie = &sc->vd; 306 307 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 308 309 } 310 311 static int 312 r128fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 313 struct lwp *l) 314 { 315 struct vcons_data *vd = v; 316 struct r128fb_softc *sc = vd->cookie; 317 struct wsdisplay_fbinfo *wdf; 318 struct vcons_screen *ms = vd->active; 319 320 switch (cmd) { 321 322 case WSDISPLAYIO_GTYPE: 323 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 324 return 0; 325 326 /* PCI config read/write passthrough. */ 327 case PCI_IOC_CFGREAD: 328 case PCI_IOC_CFGWRITE: 329 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag, 330 cmd, data, flag, l)); 331 332 case WSDISPLAYIO_GINFO: 333 if (ms == NULL) 334 return ENODEV; 335 wdf = (void *)data; 336 wdf->height = ms->scr_ri.ri_height; 337 wdf->width = ms->scr_ri.ri_width; 338 wdf->depth = ms->scr_ri.ri_depth; 339 wdf->cmsize = 256; 340 return 0; 341 342 case WSDISPLAYIO_GETCMAP: 343 return r128fb_getcmap(sc, 344 (struct wsdisplay_cmap *)data); 345 346 case WSDISPLAYIO_PUTCMAP: 347 return r128fb_putcmap(sc, 348 (struct wsdisplay_cmap *)data); 349 350 case WSDISPLAYIO_LINEBYTES: 351 *(u_int *)data = sc->sc_stride; 352 return 0; 353 354 case WSDISPLAYIO_SMODE: 355 { 356 int new_mode = *(int*)data; 357 358 /* notify the bus backend */ 359 if (new_mode != sc->sc_mode) { 360 sc->sc_mode = new_mode; 361 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 362 r128fb_restore_palette(sc); 363 vcons_redraw_screen(ms); 364 } 365 } 366 } 367 return 0; 368 } 369 return EPASSTHROUGH; 370 } 371 372 static paddr_t 373 r128fb_mmap(void *v, void *vs, off_t offset, int prot) 374 { 375 struct vcons_data *vd = v; 376 struct r128fb_softc *sc = vd->cookie; 377 struct lwp *me; 378 paddr_t pa; 379 380 /* 'regular' framebuffer mmap()ing */ 381 if (offset < sc->sc_fbsize) { 382 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 383 BUS_SPACE_MAP_LINEAR); 384 return pa; 385 } 386 387 /* 388 * restrict all other mappings to processes with superuser privileges 389 * or the kernel itself 390 */ 391 me = curlwp; 392 if (me != NULL) { 393 if (kauth_authorize_generic(me->l_cred, KAUTH_GENERIC_ISSUSER, 394 NULL) != 0) { 395 aprint_normal("%s: mmap() rejected.\n", 396 device_xname(sc->sc_dev)); 397 return -1; 398 } 399 } 400 401 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 402 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 403 BUS_SPACE_MAP_LINEAR); 404 return pa; 405 } 406 407 if ((offset >= sc->sc_reg) && 408 (offset < (sc->sc_reg + sc->sc_regsize))) { 409 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 410 BUS_SPACE_MAP_LINEAR); 411 return pa; 412 } 413 414 #ifdef PCI_MAGIC_IO_RANGE 415 /* allow mapping of IO space */ 416 if ((offset >= PCI_MAGIC_IO_RANGE) && 417 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 418 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 419 0, prot, BUS_SPACE_MAP_LINEAR); 420 return pa; 421 } 422 #endif 423 424 #ifdef OFB_ALLOW_OTHERS 425 if (offset >= 0x80000000) { 426 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 427 BUS_SPACE_MAP_LINEAR); 428 return pa; 429 } 430 #endif 431 return -1; 432 } 433 434 static void 435 r128fb_init_screen(void *cookie, struct vcons_screen *scr, 436 int existing, long *defattr) 437 { 438 struct r128fb_softc *sc = cookie; 439 struct rasops_info *ri = &scr->scr_ri; 440 441 ri->ri_depth = sc->sc_depth; 442 ri->ri_width = sc->sc_width; 443 ri->ri_height = sc->sc_height; 444 ri->ri_stride = sc->sc_stride; 445 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 446 447 ri->ri_bits = (char *)sc->sc_fbaddr; 448 449 if (existing) { 450 ri->ri_flg |= RI_CLEAR; 451 } 452 453 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 454 ri->ri_caps = WSSCREEN_WSCOLORS; 455 456 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 457 sc->sc_width / ri->ri_font->fontwidth); 458 459 ri->ri_hw = scr; 460 ri->ri_ops.copyrows = r128fb_copyrows; 461 ri->ri_ops.copycols = r128fb_copycols; 462 ri->ri_ops.eraserows = r128fb_eraserows; 463 ri->ri_ops.erasecols = r128fb_erasecols; 464 ri->ri_ops.cursor = r128fb_cursor; 465 #if 0 466 ri->ri_ops.putchar = r128fb_putchar; 467 #endif 468 } 469 470 static int 471 r128fb_putcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 472 { 473 u_char *r, *g, *b; 474 u_int index = cm->index; 475 u_int count = cm->count; 476 int i, error; 477 u_char rbuf[256], gbuf[256], bbuf[256]; 478 479 #ifdef R128FB_DEBUG 480 aprint_debug("putcmap: %d %d\n",index, count); 481 #endif 482 if (cm->index >= 256 || cm->count > 256 || 483 (cm->index + cm->count) > 256) 484 return EINVAL; 485 error = copyin(cm->red, &rbuf[index], count); 486 if (error) 487 return error; 488 error = copyin(cm->green, &gbuf[index], count); 489 if (error) 490 return error; 491 error = copyin(cm->blue, &bbuf[index], count); 492 if (error) 493 return error; 494 495 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 496 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 497 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 498 499 r = &sc->sc_cmap_red[index]; 500 g = &sc->sc_cmap_green[index]; 501 b = &sc->sc_cmap_blue[index]; 502 503 for (i = 0; i < count; i++) { 504 r128fb_putpalreg(sc, index, *r, *g, *b); 505 index++; 506 r++, g++, b++; 507 } 508 return 0; 509 } 510 511 static int 512 r128fb_getcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 513 { 514 u_int index = cm->index; 515 u_int count = cm->count; 516 int error; 517 518 if (index >= 255 || count > 256 || index + count > 256) 519 return EINVAL; 520 521 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 522 if (error) 523 return error; 524 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 525 if (error) 526 return error; 527 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 528 if (error) 529 return error; 530 531 return 0; 532 } 533 534 static void 535 r128fb_restore_palette(struct r128fb_softc *sc) 536 { 537 int i; 538 539 for (i = 0; i < (1 << sc->sc_depth); i++) { 540 r128fb_putpalreg(sc, i, sc->sc_cmap_red[i], 541 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 542 } 543 } 544 545 static int 546 r128fb_putpalreg(struct r128fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 547 uint8_t b) 548 { 549 uint32_t reg; 550 551 /* whack the DAC */ 552 reg = (r << 16) | (g << 8) | b; 553 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_INDEX, idx); 554 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_DATA, reg); 555 return 0; 556 } 557 558 static void 559 r128fb_init(struct r128fb_softc *sc) 560 { 561 uint32_t datatype; 562 563 r128fb_flush_engine(sc); 564 565 r128fb_wait(sc, 8); 566 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_OFFSET, 0); 567 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_OFFSET, 0); 568 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_PITCH, 569 sc->sc_stride >> 3); 570 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_AUX_SC_CNTL, 0); 571 bus_space_write_4(sc->sc_memt, sc->sc_regh, 572 R128_DEFAULT_SC_BOTTOM_RIGHT, 573 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 574 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_TOP_LEFT, 0); 575 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_BOTTOM_RIGHT, 576 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 577 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, 578 R128_HOST_BIG_ENDIAN_EN); 579 580 r128fb_wait(sc, 5); 581 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_PITCH, 582 sc->sc_stride >> 3); 583 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_PITCH, 584 sc->sc_stride >> 3); 585 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_OFFSET, 0); 586 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_OFFSET, 0); 587 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_WRITE_MASK, 588 0xffffffff); 589 590 switch (sc->sc_depth) { 591 case 8: 592 datatype = R128_GMC_DST_8BPP_CI; 593 break; 594 case 15: 595 datatype = R128_GMC_DST_15BPP; 596 break; 597 case 16: 598 datatype = R128_GMC_DST_16BPP; 599 break; 600 case 24: 601 datatype = R128_GMC_DST_24BPP; 602 break; 603 case 32: 604 datatype = R128_GMC_DST_32BPP; 605 break; 606 default: 607 aprint_error("%s: unsupported depth %d\n", 608 device_xname(sc->sc_dev), sc->sc_depth); 609 return; 610 } 611 sc->sc_master_cntl = R128_GMC_CLR_CMP_CNTL_DIS | 612 R128_GMC_AUX_CLIP_DIS | datatype; 613 614 r128fb_flush_engine(sc); 615 } 616 617 static void 618 r128fb_rectfill(struct r128fb_softc *sc, int x, int y, int wi, int he, 619 uint32_t colour) 620 { 621 622 r128fb_wait(sc, 6); 623 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 624 R128_GMC_BRUSH_SOLID_COLOR | 625 R128_GMC_SRC_DATATYPE_COLOR | 626 R128_ROP3_P | 627 sc->sc_master_cntl); 628 629 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_BRUSH_FRGD_CLR, 630 colour); 631 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, 632 R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM); 633 /* now feed it coordinates */ 634 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 635 (x << 16) | y); 636 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 637 (wi << 16) | he); 638 r128fb_flush_engine(sc); 639 } 640 641 static void 642 r128fb_bitblt(struct r128fb_softc *sc, int xs, int ys, int xd, int yd, 643 int wi, int he, int rop) 644 { 645 uint32_t dp_cntl = 0; 646 647 r128fb_wait(sc, 5); 648 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 649 R128_GMC_BRUSH_SOLID_COLOR | 650 R128_GMC_SRC_DATATYPE_COLOR | 651 rop | 652 R128_DP_SRC_SOURCE_MEMORY | 653 sc->sc_master_cntl); 654 655 if (yd <= ys) { 656 dp_cntl = R128_DST_Y_TOP_TO_BOTTOM; 657 } else { 658 ys += he - 1; 659 yd += he - 1; 660 } 661 if (xd <= xs) { 662 dp_cntl |= R128_DST_X_LEFT_TO_RIGHT; 663 } else { 664 xs += wi - 1; 665 xd += wi - 1; 666 } 667 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, dp_cntl); 668 669 /* now feed it coordinates */ 670 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 671 (xs << 16) | ys); 672 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 673 (xd << 16) | yd); 674 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 675 (wi << 16) | he); 676 r128fb_flush_engine(sc); 677 } 678 679 static void 680 r128fb_cursor(void *cookie, int on, int row, int col) 681 { 682 struct rasops_info *ri = cookie; 683 struct vcons_screen *scr = ri->ri_hw; 684 struct r128fb_softc *sc = scr->scr_cookie; 685 int x, y, wi, he; 686 687 wi = ri->ri_font->fontwidth; 688 he = ri->ri_font->fontheight; 689 690 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 691 x = ri->ri_ccol * wi + ri->ri_xorigin; 692 y = ri->ri_crow * he + ri->ri_yorigin; 693 if (ri->ri_flg & RI_CURSOR) { 694 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 695 ri->ri_flg &= ~RI_CURSOR; 696 } 697 ri->ri_crow = row; 698 ri->ri_ccol = col; 699 if (on) { 700 x = ri->ri_ccol * wi + ri->ri_xorigin; 701 y = ri->ri_crow * he + ri->ri_yorigin; 702 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 703 ri->ri_flg |= RI_CURSOR;; 704 } 705 } else { 706 scr->scr_ri.ri_crow = row; 707 scr->scr_ri.ri_ccol = col; 708 scr->scr_ri.ri_flg &= ~RI_CURSOR; 709 } 710 711 } 712 713 #if 0 714 static void 715 r128fb_putchar(void *cookie, int row, int col, u_int c, long attr) 716 { 717 } 718 #endif 719 720 static void 721 r128fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 722 { 723 struct rasops_info *ri = cookie; 724 struct vcons_screen *scr = ri->ri_hw; 725 struct r128fb_softc *sc = scr->scr_cookie; 726 int32_t xs, xd, y, width, height; 727 728 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 729 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 730 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 731 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 732 width = ri->ri_font->fontwidth * ncols; 733 height = ri->ri_font->fontheight; 734 r128fb_bitblt(sc, xs, y, xd, y, width, height, R128_ROP3_S); 735 } 736 } 737 738 static void 739 r128fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 740 { 741 struct rasops_info *ri = cookie; 742 struct vcons_screen *scr = ri->ri_hw; 743 struct r128fb_softc *sc = scr->scr_cookie; 744 int32_t x, y, width, height, fg, bg, ul; 745 746 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 747 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 748 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 749 width = ri->ri_font->fontwidth * ncols; 750 height = ri->ri_font->fontheight; 751 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 752 753 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 754 } 755 } 756 757 static void 758 r128fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 759 { 760 struct rasops_info *ri = cookie; 761 struct vcons_screen *scr = ri->ri_hw; 762 struct r128fb_softc *sc = scr->scr_cookie; 763 int32_t x, ys, yd, width, height; 764 765 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 766 x = ri->ri_xorigin; 767 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 768 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 769 width = ri->ri_emuwidth; 770 height = ri->ri_font->fontheight*nrows; 771 r128fb_bitblt(sc, x, ys, x, yd, width, height, R128_ROP3_S); 772 } 773 } 774 775 static void 776 r128fb_eraserows(void *cookie, int row, int nrows, long fillattr) 777 { 778 struct rasops_info *ri = cookie; 779 struct vcons_screen *scr = ri->ri_hw; 780 struct r128fb_softc *sc = scr->scr_cookie; 781 int32_t x, y, width, height, fg, bg, ul; 782 783 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 784 x = ri->ri_xorigin; 785 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 786 width = ri->ri_emuwidth; 787 height = ri->ri_font->fontheight * nrows; 788 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 789 790 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 791 } 792 } 793 794
Indexes created Sat Sep 27 22:09:54 GMT 2025