1 /* $NetBSD: r128fb.c,v 1.10 2009/10/01 19:02:27 jmmv 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 1.10 2009/10/01 19:02:27 jmmv 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 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGEGLPCI) || 177 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE_MOB_M3_AGP)) 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 j = 0; 270 for (i = 0; i < (1 << sc->sc_depth); i++) { 271 272 sc->sc_cmap_red[i] = rasops_cmap[j]; 273 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 274 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 275 r128fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 276 rasops_cmap[j + 2]); 277 j += 3; 278 } 279 280 if (is_console) { 281 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 282 &defattr); 283 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 284 285 r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 286 ri->ri_devcmap[(defattr >> 16) & 0xff]); 287 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 288 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 289 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 290 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 291 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 292 defattr); 293 vcons_replay_msgbuf(&sc->sc_console_screen); 294 } else { 295 /* 296 * since we're not the console we can postpone the rest 297 * until someone actually allocates a screen for us 298 */ 299 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 300 } 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 paddr_t pa; 378 379 /* 'regular' framebuffer mmap()ing */ 380 if (offset < sc->sc_fbsize) { 381 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 382 BUS_SPACE_MAP_LINEAR); 383 return pa; 384 } 385 386 /* 387 * restrict all other mappings to processes with superuser privileges 388 * or the kernel itself 389 */ 390 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 391 NULL) != 0) { 392 aprint_normal("%s: mmap() rejected.\n", 393 device_xname(sc->sc_dev)); 394 return -1; 395 } 396 397 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 398 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 399 BUS_SPACE_MAP_LINEAR); 400 return pa; 401 } 402 403 if ((offset >= sc->sc_reg) && 404 (offset < (sc->sc_reg + sc->sc_regsize))) { 405 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 406 BUS_SPACE_MAP_LINEAR); 407 return pa; 408 } 409 410 #ifdef PCI_MAGIC_IO_RANGE 411 /* allow mapping of IO space */ 412 if ((offset >= PCI_MAGIC_IO_RANGE) && 413 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 414 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 415 0, prot, BUS_SPACE_MAP_LINEAR); 416 return pa; 417 } 418 #endif 419 420 #ifdef OFB_ALLOW_OTHERS 421 if (offset >= 0x80000000) { 422 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 423 BUS_SPACE_MAP_LINEAR); 424 return pa; 425 } 426 #endif 427 return -1; 428 } 429 430 static void 431 r128fb_init_screen(void *cookie, struct vcons_screen *scr, 432 int existing, long *defattr) 433 { 434 struct r128fb_softc *sc = cookie; 435 struct rasops_info *ri = &scr->scr_ri; 436 437 ri->ri_depth = sc->sc_depth; 438 ri->ri_width = sc->sc_width; 439 ri->ri_height = sc->sc_height; 440 ri->ri_stride = sc->sc_stride; 441 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 442 443 ri->ri_bits = (char *)sc->sc_fbaddr; 444 445 if (existing) { 446 ri->ri_flg |= RI_CLEAR; 447 } 448 449 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 450 ri->ri_caps = WSSCREEN_WSCOLORS; 451 452 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 453 sc->sc_width / ri->ri_font->fontwidth); 454 455 ri->ri_hw = scr; 456 ri->ri_ops.copyrows = r128fb_copyrows; 457 ri->ri_ops.copycols = r128fb_copycols; 458 ri->ri_ops.eraserows = r128fb_eraserows; 459 ri->ri_ops.erasecols = r128fb_erasecols; 460 ri->ri_ops.cursor = r128fb_cursor; 461 #if 0 462 ri->ri_ops.putchar = r128fb_putchar; 463 #endif 464 } 465 466 static int 467 r128fb_putcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 468 { 469 u_char *r, *g, *b; 470 u_int index = cm->index; 471 u_int count = cm->count; 472 int i, error; 473 u_char rbuf[256], gbuf[256], bbuf[256]; 474 475 #ifdef R128FB_DEBUG 476 aprint_debug("putcmap: %d %d\n",index, count); 477 #endif 478 if (cm->index >= 256 || cm->count > 256 || 479 (cm->index + cm->count) > 256) 480 return EINVAL; 481 error = copyin(cm->red, &rbuf[index], count); 482 if (error) 483 return error; 484 error = copyin(cm->green, &gbuf[index], count); 485 if (error) 486 return error; 487 error = copyin(cm->blue, &bbuf[index], count); 488 if (error) 489 return error; 490 491 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 492 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 493 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 494 495 r = &sc->sc_cmap_red[index]; 496 g = &sc->sc_cmap_green[index]; 497 b = &sc->sc_cmap_blue[index]; 498 499 for (i = 0; i < count; i++) { 500 r128fb_putpalreg(sc, index, *r, *g, *b); 501 index++; 502 r++, g++, b++; 503 } 504 return 0; 505 } 506 507 static int 508 r128fb_getcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 509 { 510 u_int index = cm->index; 511 u_int count = cm->count; 512 int error; 513 514 if (index >= 255 || count > 256 || index + count > 256) 515 return EINVAL; 516 517 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 518 if (error) 519 return error; 520 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 521 if (error) 522 return error; 523 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 524 if (error) 525 return error; 526 527 return 0; 528 } 529 530 static void 531 r128fb_restore_palette(struct r128fb_softc *sc) 532 { 533 int i; 534 535 for (i = 0; i < (1 << sc->sc_depth); i++) { 536 r128fb_putpalreg(sc, i, sc->sc_cmap_red[i], 537 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 538 } 539 } 540 541 static int 542 r128fb_putpalreg(struct r128fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 543 uint8_t b) 544 { 545 uint32_t reg; 546 547 /* whack the DAC */ 548 reg = (r << 16) | (g << 8) | b; 549 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_INDEX, idx); 550 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_DATA, reg); 551 return 0; 552 } 553 554 static void 555 r128fb_init(struct r128fb_softc *sc) 556 { 557 uint32_t datatype; 558 559 r128fb_flush_engine(sc); 560 561 r128fb_wait(sc, 8); 562 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_OFFSET, 0); 563 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_OFFSET, 0); 564 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_PITCH, 565 sc->sc_stride >> 3); 566 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_AUX_SC_CNTL, 0); 567 bus_space_write_4(sc->sc_memt, sc->sc_regh, 568 R128_DEFAULT_SC_BOTTOM_RIGHT, 569 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 570 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_TOP_LEFT, 0); 571 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_BOTTOM_RIGHT, 572 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 573 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, 574 R128_HOST_BIG_ENDIAN_EN); 575 576 r128fb_wait(sc, 5); 577 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_PITCH, 578 sc->sc_stride >> 3); 579 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_PITCH, 580 sc->sc_stride >> 3); 581 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_OFFSET, 0); 582 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_OFFSET, 0); 583 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_WRITE_MASK, 584 0xffffffff); 585 586 switch (sc->sc_depth) { 587 case 8: 588 datatype = R128_GMC_DST_8BPP_CI; 589 break; 590 case 15: 591 datatype = R128_GMC_DST_15BPP; 592 break; 593 case 16: 594 datatype = R128_GMC_DST_16BPP; 595 break; 596 case 24: 597 datatype = R128_GMC_DST_24BPP; 598 break; 599 case 32: 600 datatype = R128_GMC_DST_32BPP; 601 break; 602 default: 603 aprint_error("%s: unsupported depth %d\n", 604 device_xname(sc->sc_dev), sc->sc_depth); 605 return; 606 } 607 sc->sc_master_cntl = R128_GMC_CLR_CMP_CNTL_DIS | 608 R128_GMC_AUX_CLIP_DIS | datatype; 609 610 r128fb_flush_engine(sc); 611 } 612 613 static void 614 r128fb_rectfill(struct r128fb_softc *sc, int x, int y, int wi, int he, 615 uint32_t colour) 616 { 617 618 r128fb_wait(sc, 6); 619 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 620 R128_GMC_BRUSH_SOLID_COLOR | 621 R128_GMC_SRC_DATATYPE_COLOR | 622 R128_ROP3_P | 623 sc->sc_master_cntl); 624 625 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_BRUSH_FRGD_CLR, 626 colour); 627 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, 628 R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM); 629 /* now feed it coordinates */ 630 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 631 (x << 16) | y); 632 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 633 (wi << 16) | he); 634 r128fb_flush_engine(sc); 635 } 636 637 static void 638 r128fb_bitblt(struct r128fb_softc *sc, int xs, int ys, int xd, int yd, 639 int wi, int he, int rop) 640 { 641 uint32_t dp_cntl = 0; 642 643 r128fb_wait(sc, 5); 644 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 645 R128_GMC_BRUSH_SOLID_COLOR | 646 R128_GMC_SRC_DATATYPE_COLOR | 647 rop | 648 R128_DP_SRC_SOURCE_MEMORY | 649 sc->sc_master_cntl); 650 651 if (yd <= ys) { 652 dp_cntl = R128_DST_Y_TOP_TO_BOTTOM; 653 } else { 654 ys += he - 1; 655 yd += he - 1; 656 } 657 if (xd <= xs) { 658 dp_cntl |= R128_DST_X_LEFT_TO_RIGHT; 659 } else { 660 xs += wi - 1; 661 xd += wi - 1; 662 } 663 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, dp_cntl); 664 665 /* now feed it coordinates */ 666 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 667 (xs << 16) | ys); 668 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 669 (xd << 16) | yd); 670 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 671 (wi << 16) | he); 672 r128fb_flush_engine(sc); 673 } 674 675 static void 676 r128fb_cursor(void *cookie, int on, int row, int col) 677 { 678 struct rasops_info *ri = cookie; 679 struct vcons_screen *scr = ri->ri_hw; 680 struct r128fb_softc *sc = scr->scr_cookie; 681 int x, y, wi, he; 682 683 wi = ri->ri_font->fontwidth; 684 he = ri->ri_font->fontheight; 685 686 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 687 x = ri->ri_ccol * wi + ri->ri_xorigin; 688 y = ri->ri_crow * he + ri->ri_yorigin; 689 if (ri->ri_flg & RI_CURSOR) { 690 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 691 ri->ri_flg &= ~RI_CURSOR; 692 } 693 ri->ri_crow = row; 694 ri->ri_ccol = col; 695 if (on) { 696 x = ri->ri_ccol * wi + ri->ri_xorigin; 697 y = ri->ri_crow * he + ri->ri_yorigin; 698 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 699 ri->ri_flg |= RI_CURSOR; 700 } 701 } else { 702 scr->scr_ri.ri_crow = row; 703 scr->scr_ri.ri_ccol = col; 704 scr->scr_ri.ri_flg &= ~RI_CURSOR; 705 } 706 707 } 708 709 #if 0 710 static void 711 r128fb_putchar(void *cookie, int row, int col, u_int c, long attr) 712 { 713 } 714 #endif 715 716 static void 717 r128fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 718 { 719 struct rasops_info *ri = cookie; 720 struct vcons_screen *scr = ri->ri_hw; 721 struct r128fb_softc *sc = scr->scr_cookie; 722 int32_t xs, xd, y, width, height; 723 724 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 725 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 726 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 727 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 728 width = ri->ri_font->fontwidth * ncols; 729 height = ri->ri_font->fontheight; 730 r128fb_bitblt(sc, xs, y, xd, y, width, height, R128_ROP3_S); 731 } 732 } 733 734 static void 735 r128fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 736 { 737 struct rasops_info *ri = cookie; 738 struct vcons_screen *scr = ri->ri_hw; 739 struct r128fb_softc *sc = scr->scr_cookie; 740 int32_t x, y, width, height, fg, bg, ul; 741 742 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 743 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 744 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 745 width = ri->ri_font->fontwidth * ncols; 746 height = ri->ri_font->fontheight; 747 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 748 749 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 750 } 751 } 752 753 static void 754 r128fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 755 { 756 struct rasops_info *ri = cookie; 757 struct vcons_screen *scr = ri->ri_hw; 758 struct r128fb_softc *sc = scr->scr_cookie; 759 int32_t x, ys, yd, width, height; 760 761 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 762 x = ri->ri_xorigin; 763 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 764 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 765 width = ri->ri_emuwidth; 766 height = ri->ri_font->fontheight*nrows; 767 r128fb_bitblt(sc, x, ys, x, yd, width, height, R128_ROP3_S); 768 } 769 } 770 771 static void 772 r128fb_eraserows(void *cookie, int row, int nrows, long fillattr) 773 { 774 struct rasops_info *ri = cookie; 775 struct vcons_screen *scr = ri->ri_hw; 776 struct r128fb_softc *sc = scr->scr_cookie; 777 int32_t x, y, width, height, fg, bg, ul; 778 779 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 780 x = ri->ri_xorigin; 781 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 782 width = ri->ri_emuwidth; 783 height = ri->ri_font->fontheight * nrows; 784 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 785 786 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 787 } 788 } 789 790