r128fb.c revision 1.13
1 /* $NetBSD: r128fb.c,v 1.13 2010/09/30 03:16:51 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 1.13 2010/09/30 03:16:51 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 #include "opt_r128fb.h" 63 64 #ifdef R128FB_DEBUG 65 #define DPRINTF printf 66 #else 67 #define DPRINTF while(0) printf 68 #endif 69 70 struct r128fb_softc { 71 device_t sc_dev; 72 73 pci_chipset_tag_t sc_pc; 74 pcitag_t sc_pcitag; 75 76 bus_space_tag_t sc_memt; 77 bus_space_tag_t sc_iot; 78 79 bus_space_handle_t sc_regh; 80 bus_addr_t sc_fb, sc_reg; 81 bus_size_t sc_fbsize, sc_regsize; 82 83 int sc_width, sc_height, sc_depth, sc_stride; 84 int sc_locked, sc_have_backlight, sc_bl_level; 85 struct vcons_screen sc_console_screen; 86 struct wsscreen_descr sc_defaultscreen_descr; 87 const struct wsscreen_descr *sc_screens[1]; 88 struct wsscreen_list sc_screenlist; 89 struct vcons_data vd; 90 int sc_mode; 91 u_char sc_cmap_red[256]; 92 u_char sc_cmap_green[256]; 93 u_char sc_cmap_blue[256]; 94 /* engine stuff */ 95 uint32_t sc_master_cntl; 96 }; 97 98 static int r128fb_match(device_t, cfdata_t, void *); 99 static void r128fb_attach(device_t, device_t, void *); 100 101 CFATTACH_DECL_NEW(r128fb, sizeof(struct r128fb_softc), 102 r128fb_match, r128fb_attach, NULL, NULL); 103 104 extern const u_char rasops_cmap[768]; 105 106 static int r128fb_ioctl(void *, void *, u_long, void *, int, 107 struct lwp *); 108 static paddr_t r128fb_mmap(void *, void *, off_t, int); 109 static void r128fb_init_screen(void *, struct vcons_screen *, int, long *); 110 111 static int r128fb_putcmap(struct r128fb_softc *, struct wsdisplay_cmap *); 112 static int r128fb_getcmap(struct r128fb_softc *, struct wsdisplay_cmap *); 113 static void r128fb_restore_palette(struct r128fb_softc *); 114 static int r128fb_putpalreg(struct r128fb_softc *, uint8_t, uint8_t, 115 uint8_t, uint8_t); 116 117 static void r128fb_init(struct r128fb_softc *); 118 static void r128fb_flush_engine(struct r128fb_softc *); 119 static void r128fb_rectfill(struct r128fb_softc *, int, int, int, int, 120 uint32_t); 121 static void r128fb_bitblt(struct r128fb_softc *, int, int, int, int, int, 122 int, int); 123 124 static void r128fb_cursor(void *, int, int, int); 125 static void r128fb_putchar(void *, int, int, u_int, long); 126 static void r128fb_copycols(void *, int, int, int, int); 127 static void r128fb_erasecols(void *, int, int, int, long); 128 static void r128fb_copyrows(void *, int, int, int); 129 static void r128fb_eraserows(void *, int, int, long); 130 131 static void r128fb_brightness_up(device_t); 132 static void r128fb_brightness_down(device_t); 133 static void r128fb_set_backlight(struct r128fb_softc *, int); 134 135 struct wsdisplay_accessops r128fb_accessops = { 136 r128fb_ioctl, 137 r128fb_mmap, 138 NULL, /* alloc_screen */ 139 NULL, /* free_screen */ 140 NULL, /* show_screen */ 141 NULL, /* load_font */ 142 NULL, /* pollc */ 143 NULL /* scroll */ 144 }; 145 146 static inline void 147 r128fb_wait(struct r128fb_softc *sc, int slots) 148 { 149 uint32_t reg; 150 151 do { 152 reg = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 153 R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK); 154 } while (reg <= slots); 155 } 156 157 static void 158 r128fb_flush_engine(struct r128fb_softc *sc) 159 { 160 uint32_t reg; 161 162 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT); 163 reg |= R128_PC_FLUSH_ALL; 164 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT, reg); 165 do { 166 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 167 R128_PC_NGUI_CTLSTAT); 168 } while (reg & R128_PC_BUSY); 169 } 170 171 static int 172 r128fb_match(device_t parent, cfdata_t match, void *aux) 173 { 174 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 175 176 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) 177 return 0; 178 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI) 179 return 0; 180 181 /* only cards tested on so far - likely need a list */ 182 if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE1AGP4XT) || 183 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE3AGP4XT) || 184 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGEGLPCI) || 185 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE_MOB_M3_AGP)) 186 return 100; 187 return (0); 188 } 189 190 static void 191 r128fb_attach(device_t parent, device_t self, void *aux) 192 { 193 struct r128fb_softc *sc = device_private(self); 194 struct pci_attach_args *pa = aux; 195 struct rasops_info *ri; 196 char devinfo[256]; 197 struct wsemuldisplaydev_attach_args aa; 198 prop_dictionary_t dict; 199 unsigned long defattr; 200 bool is_console; 201 int i, j; 202 uint32_t reg, flags; 203 204 sc->sc_pc = pa->pa_pc; 205 sc->sc_pcitag = pa->pa_tag; 206 sc->sc_memt = pa->pa_memt; 207 sc->sc_iot = pa->pa_iot; 208 sc->sc_dev = self; 209 210 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 211 aprint_normal(": %s\n", devinfo); 212 213 /* fill in parameters from properties */ 214 dict = device_properties(self); 215 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 216 aprint_error("%s: no width property\n", device_xname(self)); 217 return; 218 } 219 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 220 aprint_error("%s: no height property\n", device_xname(self)); 221 return; 222 } 223 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 224 aprint_error("%s: no depth property\n", device_xname(self)); 225 return; 226 } 227 if (!prop_dictionary_get_uint32(dict, "linebytes", &sc->sc_stride)) { 228 aprint_error("%s: no linebytes property\n", 229 device_xname(self)); 230 return; 231 } 232 233 prop_dictionary_get_bool(dict, "is_console", &is_console); 234 235 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x10, PCI_MAPREG_TYPE_MEM, 236 &sc->sc_fb, &sc->sc_fbsize, &flags)) { 237 aprint_error("%s: failed to map the frame buffer.\n", 238 device_xname(sc->sc_dev)); 239 } 240 241 if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0, 242 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 243 aprint_error("%s: failed to map registers.\n", 244 device_xname(sc->sc_dev)); 245 } 246 247 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 248 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 249 250 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 251 "default", 252 0, 0, 253 NULL, 254 8, 16, 255 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 256 NULL 257 }; 258 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 259 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 260 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 261 sc->sc_locked = 0; 262 263 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 264 &r128fb_accessops); 265 sc->vd.init_screen = r128fb_init_screen; 266 267 /* init engine here */ 268 r128fb_init(sc); 269 270 ri = &sc->sc_console_screen.scr_ri; 271 272 j = 0; 273 for (i = 0; i < (1 << sc->sc_depth); i++) { 274 275 sc->sc_cmap_red[i] = rasops_cmap[j]; 276 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 277 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 278 r128fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 279 rasops_cmap[j + 2]); 280 j += 3; 281 } 282 283 if (is_console) { 284 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 285 &defattr); 286 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 287 288 r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 289 ri->ri_devcmap[(defattr >> 16) & 0xff]); 290 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 291 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 292 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 293 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 294 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 295 defattr); 296 vcons_replay_msgbuf(&sc->sc_console_screen); 297 } else { 298 /* 299 * since we're not the console we can postpone the rest 300 * until someone actually allocates a screen for us 301 */ 302 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 303 } 304 305 /* no suspend/resume support yet */ 306 pmf_device_register(sc->sc_dev, NULL, NULL); 307 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL); 308 DPRINTF("reg: %08x\n", reg); 309 if (reg & R128_LVDS_ON) { 310 sc->sc_have_backlight = 1; 311 sc->sc_bl_level = 255 - 312 ((reg & R128_LEVEL_MASK) >> R128_LEVEL_SHIFT); 313 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 314 r128fb_brightness_up, TRUE); 315 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 316 r128fb_brightness_down, TRUE); 317 aprint_verbose("%s: LVDS output is active, enabling backlight" 318 " control\n", device_xname(self)); 319 } else 320 sc->sc_have_backlight = 0; 321 322 aa.console = is_console; 323 aa.scrdata = &sc->sc_screenlist; 324 aa.accessops = &r128fb_accessops; 325 aa.accesscookie = &sc->vd; 326 327 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 328 } 329 330 static int 331 r128fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 332 struct lwp *l) 333 { 334 struct vcons_data *vd = v; 335 struct r128fb_softc *sc = vd->cookie; 336 struct wsdisplay_fbinfo *wdf; 337 struct vcons_screen *ms = vd->active; 338 struct wsdisplay_param *param; 339 340 switch (cmd) { 341 342 case WSDISPLAYIO_GTYPE: 343 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 344 return 0; 345 346 /* PCI config read/write passthrough. */ 347 case PCI_IOC_CFGREAD: 348 case PCI_IOC_CFGWRITE: 349 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag, 350 cmd, data, flag, l)); 351 352 case WSDISPLAYIO_GINFO: 353 if (ms == NULL) 354 return ENODEV; 355 wdf = (void *)data; 356 wdf->height = ms->scr_ri.ri_height; 357 wdf->width = ms->scr_ri.ri_width; 358 wdf->depth = ms->scr_ri.ri_depth; 359 wdf->cmsize = 256; 360 return 0; 361 362 case WSDISPLAYIO_GETCMAP: 363 return r128fb_getcmap(sc, 364 (struct wsdisplay_cmap *)data); 365 366 case WSDISPLAYIO_PUTCMAP: 367 return r128fb_putcmap(sc, 368 (struct wsdisplay_cmap *)data); 369 370 case WSDISPLAYIO_LINEBYTES: 371 *(u_int *)data = sc->sc_stride; 372 return 0; 373 374 case WSDISPLAYIO_SMODE: 375 { 376 int new_mode = *(int*)data; 377 378 if (new_mode != sc->sc_mode) { 379 sc->sc_mode = new_mode; 380 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 381 r128fb_restore_palette(sc); 382 vcons_redraw_screen(ms); 383 } 384 } 385 } 386 return 0; 387 388 case WSDISPLAYIO_GETPARAM: 389 param = (struct wsdisplay_param *)data; 390 if ((param->param == WSDISPLAYIO_PARAM_BACKLIGHT) && 391 (sc->sc_have_backlight != 0)) { 392 param->min = 0; 393 param->max = 255; 394 param->curval = sc->sc_bl_level; 395 return 0; 396 } 397 return EPASSTHROUGH; 398 399 case WSDISPLAYIO_SETPARAM: 400 param = (struct wsdisplay_param *)data; 401 if ((param->param == WSDISPLAYIO_PARAM_BACKLIGHT) && 402 (sc->sc_have_backlight != 0)) { 403 r128fb_set_backlight(sc, param->curval); 404 return 0; 405 } 406 return EPASSTHROUGH; 407 } 408 return EPASSTHROUGH; 409 } 410 411 static paddr_t 412 r128fb_mmap(void *v, void *vs, off_t offset, int prot) 413 { 414 struct vcons_data *vd = v; 415 struct r128fb_softc *sc = vd->cookie; 416 paddr_t pa; 417 418 /* 'regular' framebuffer mmap()ing */ 419 if (offset < sc->sc_fbsize) { 420 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 421 BUS_SPACE_MAP_LINEAR); 422 return pa; 423 } 424 425 /* 426 * restrict all other mappings to processes with superuser privileges 427 * or the kernel itself 428 */ 429 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 430 NULL) != 0) { 431 aprint_normal("%s: mmap() rejected.\n", 432 device_xname(sc->sc_dev)); 433 return -1; 434 } 435 436 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 437 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 438 BUS_SPACE_MAP_LINEAR); 439 return pa; 440 } 441 442 if ((offset >= sc->sc_reg) && 443 (offset < (sc->sc_reg + sc->sc_regsize))) { 444 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 445 BUS_SPACE_MAP_LINEAR); 446 return pa; 447 } 448 449 #ifdef PCI_MAGIC_IO_RANGE 450 /* allow mapping of IO space */ 451 if ((offset >= PCI_MAGIC_IO_RANGE) && 452 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 453 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 454 0, prot, BUS_SPACE_MAP_LINEAR); 455 return pa; 456 } 457 #endif 458 459 #ifdef OFB_ALLOW_OTHERS 460 if (offset >= 0x80000000) { 461 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 462 BUS_SPACE_MAP_LINEAR); 463 return pa; 464 } 465 #endif 466 return -1; 467 } 468 469 static void 470 r128fb_init_screen(void *cookie, struct vcons_screen *scr, 471 int existing, long *defattr) 472 { 473 struct r128fb_softc *sc = cookie; 474 struct rasops_info *ri = &scr->scr_ri; 475 476 ri->ri_depth = sc->sc_depth; 477 ri->ri_width = sc->sc_width; 478 ri->ri_height = sc->sc_height; 479 ri->ri_stride = sc->sc_stride; 480 ri->ri_flg = RI_CENTER; 481 482 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 483 ri->ri_caps = WSSCREEN_WSCOLORS; 484 485 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 486 sc->sc_width / ri->ri_font->fontwidth); 487 488 ri->ri_hw = scr; 489 ri->ri_ops.copyrows = r128fb_copyrows; 490 ri->ri_ops.copycols = r128fb_copycols; 491 ri->ri_ops.eraserows = r128fb_eraserows; 492 ri->ri_ops.erasecols = r128fb_erasecols; 493 ri->ri_ops.cursor = r128fb_cursor; 494 ri->ri_ops.putchar = r128fb_putchar; 495 } 496 497 static int 498 r128fb_putcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 499 { 500 u_char *r, *g, *b; 501 u_int index = cm->index; 502 u_int count = cm->count; 503 int i, error; 504 u_char rbuf[256], gbuf[256], bbuf[256]; 505 506 #ifdef R128FB_DEBUG 507 aprint_debug("putcmap: %d %d\n",index, count); 508 #endif 509 if (cm->index >= 256 || cm->count > 256 || 510 (cm->index + cm->count) > 256) 511 return EINVAL; 512 error = copyin(cm->red, &rbuf[index], count); 513 if (error) 514 return error; 515 error = copyin(cm->green, &gbuf[index], count); 516 if (error) 517 return error; 518 error = copyin(cm->blue, &bbuf[index], count); 519 if (error) 520 return error; 521 522 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 523 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 524 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 525 526 r = &sc->sc_cmap_red[index]; 527 g = &sc->sc_cmap_green[index]; 528 b = &sc->sc_cmap_blue[index]; 529 530 for (i = 0; i < count; i++) { 531 r128fb_putpalreg(sc, index, *r, *g, *b); 532 index++; 533 r++, g++, b++; 534 } 535 return 0; 536 } 537 538 static int 539 r128fb_getcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 540 { 541 u_int index = cm->index; 542 u_int count = cm->count; 543 int error; 544 545 if (index >= 255 || count > 256 || index + count > 256) 546 return EINVAL; 547 548 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 549 if (error) 550 return error; 551 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 552 if (error) 553 return error; 554 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 555 if (error) 556 return error; 557 558 return 0; 559 } 560 561 static void 562 r128fb_restore_palette(struct r128fb_softc *sc) 563 { 564 int i; 565 566 for (i = 0; i < (1 << sc->sc_depth); i++) { 567 r128fb_putpalreg(sc, i, sc->sc_cmap_red[i], 568 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 569 } 570 } 571 572 static int 573 r128fb_putpalreg(struct r128fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 574 uint8_t b) 575 { 576 uint32_t reg; 577 578 /* whack the DAC */ 579 reg = (r << 16) | (g << 8) | b; 580 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_INDEX, idx); 581 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_DATA, reg); 582 return 0; 583 } 584 585 static void 586 r128fb_init(struct r128fb_softc *sc) 587 { 588 uint32_t datatype; 589 590 r128fb_flush_engine(sc); 591 592 r128fb_wait(sc, 9); 593 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_OFFSET, 0); 594 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_OFFSET, 0); 595 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_PITCH, 596 sc->sc_stride >> 3); 597 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_AUX_SC_CNTL, 0); 598 bus_space_write_4(sc->sc_memt, sc->sc_regh, 599 R128_DEFAULT_SC_BOTTOM_RIGHT, 600 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 601 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_TOP_LEFT, 0); 602 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_BOTTOM_RIGHT, 603 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 604 bus_space_write_4(sc->sc_memt, sc->sc_regh, 605 R128_DEFAULT_SC_BOTTOM_RIGHT, 606 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 607 608 #if BYTE_ORDER == BIG_ENDIAN 609 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, 610 R128_HOST_BIG_ENDIAN_EN); 611 #else 612 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, 613 R128_HOST_LITTLE_ENDIAN_EN); 614 #endif 615 616 r128fb_wait(sc, 5); 617 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_PITCH, 618 sc->sc_stride >> 3); 619 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_PITCH, 620 sc->sc_stride >> 3); 621 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_OFFSET, 0); 622 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_OFFSET, 0); 623 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_WRITE_MASK, 624 0xffffffff); 625 626 switch (sc->sc_depth) { 627 case 8: 628 datatype = R128_GMC_DST_8BPP_CI; 629 break; 630 case 15: 631 datatype = R128_GMC_DST_15BPP; 632 break; 633 case 16: 634 datatype = R128_GMC_DST_16BPP; 635 break; 636 case 24: 637 datatype = R128_GMC_DST_24BPP; 638 break; 639 case 32: 640 datatype = R128_GMC_DST_32BPP; 641 break; 642 default: 643 aprint_error("%s: unsupported depth %d\n", 644 device_xname(sc->sc_dev), sc->sc_depth); 645 return; 646 } 647 sc->sc_master_cntl = R128_GMC_CLR_CMP_CNTL_DIS | 648 R128_GMC_AUX_CLIP_DIS | datatype; 649 650 r128fb_flush_engine(sc); 651 } 652 653 static void 654 r128fb_rectfill(struct r128fb_softc *sc, int x, int y, int wi, int he, 655 uint32_t colour) 656 { 657 658 r128fb_wait(sc, 5); 659 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 660 R128_GMC_BRUSH_SOLID_COLOR | 661 R128_GMC_SRC_DATATYPE_COLOR | 662 R128_ROP3_P | 663 sc->sc_master_cntl); 664 665 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_BRUSH_FRGD_CLR, 666 colour); 667 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, 668 R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM); 669 /* now feed it coordinates */ 670 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 671 (x << 16) | y); 672 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 673 (wi << 16) | he); 674 } 675 676 static void 677 r128fb_bitblt(struct r128fb_softc *sc, int xs, int ys, int xd, int yd, 678 int wi, int he, int rop) 679 { 680 uint32_t dp_cntl = 0; 681 682 r128fb_wait(sc, 5); 683 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 684 R128_GMC_BRUSH_SOLID_COLOR | 685 R128_GMC_SRC_DATATYPE_COLOR | 686 rop | 687 R128_DP_SRC_SOURCE_MEMORY | 688 sc->sc_master_cntl); 689 690 if (yd <= ys) { 691 dp_cntl = R128_DST_Y_TOP_TO_BOTTOM; 692 } else { 693 ys += he - 1; 694 yd += he - 1; 695 } 696 if (xd <= xs) { 697 dp_cntl |= R128_DST_X_LEFT_TO_RIGHT; 698 } else { 699 xs += wi - 1; 700 xd += wi - 1; 701 } 702 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, dp_cntl); 703 704 /* now feed it coordinates */ 705 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 706 (xs << 16) | ys); 707 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 708 (xd << 16) | yd); 709 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 710 (wi << 16) | he); 711 } 712 713 static void 714 r128fb_cursor(void *cookie, int on, int row, int col) 715 { 716 struct rasops_info *ri = cookie; 717 struct vcons_screen *scr = ri->ri_hw; 718 struct r128fb_softc *sc = scr->scr_cookie; 719 int x, y, wi, he; 720 721 wi = ri->ri_font->fontwidth; 722 he = ri->ri_font->fontheight; 723 724 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 725 x = ri->ri_ccol * wi + ri->ri_xorigin; 726 y = ri->ri_crow * he + ri->ri_yorigin; 727 if (ri->ri_flg & RI_CURSOR) { 728 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 729 ri->ri_flg &= ~RI_CURSOR; 730 } 731 ri->ri_crow = row; 732 ri->ri_ccol = col; 733 if (on) { 734 x = ri->ri_ccol * wi + ri->ri_xorigin; 735 y = ri->ri_crow * he + ri->ri_yorigin; 736 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 737 ri->ri_flg |= RI_CURSOR; 738 } 739 } else { 740 scr->scr_ri.ri_crow = row; 741 scr->scr_ri.ri_ccol = col; 742 scr->scr_ri.ri_flg &= ~RI_CURSOR; 743 } 744 745 } 746 747 static void 748 r128fb_putchar(void *cookie, int row, int col, u_int c, long attr) 749 { 750 struct rasops_info *ri = cookie; 751 struct wsdisplay_font *font = PICK_FONT(ri, c); 752 struct vcons_screen *scr = ri->ri_hw; 753 struct r128fb_softc *sc = scr->scr_cookie; 754 755 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 756 void *data; 757 uint32_t fg, bg; 758 int uc, i; 759 int x, y, wi, he, offset; 760 761 wi = font->fontwidth; 762 he = font->fontheight; 763 764 if (!CHAR_IN_FONT(c, font)) 765 return; 766 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 767 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 768 x = ri->ri_xorigin + col * wi; 769 y = ri->ri_yorigin + row * he; 770 if (c == 0x20) { 771 r128fb_rectfill(sc, x, y, wi, he, bg); 772 } else { 773 uc = c - font->firstchar; 774 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 775 776 r128fb_wait(sc, 8); 777 778 bus_space_write_4(sc->sc_memt, sc->sc_regh, 779 R128_DP_GUI_MASTER_CNTL, 780 R128_GMC_BRUSH_SOLID_COLOR | 781 R128_GMC_SRC_DATATYPE_MONO_FG_BG | 782 R128_ROP3_S | 783 R128_DP_SRC_SOURCE_HOST_DATA | 784 R128_GMC_DST_CLIPPING | 785 sc->sc_master_cntl); 786 787 bus_space_write_4(sc->sc_memt, sc->sc_regh, 788 R128_DP_CNTL, 789 R128_DST_Y_TOP_TO_BOTTOM | 790 R128_DST_X_LEFT_TO_RIGHT); 791 792 bus_space_write_4(sc->sc_memt, sc->sc_regh, 793 R128_DP_SRC_FRGD_CLR, fg); 794 bus_space_write_4(sc->sc_memt, sc->sc_regh, 795 R128_DP_SRC_BKGD_CLR, bg); 796 797 /* 798 * The Rage 128 doesn't have anything to skip pixels 799 * when colour expanding but all coordinates 800 * are signed so we just clip the leading bytes and 801 * trailing bits away 802 */ 803 bus_space_write_4(sc->sc_memt, sc->sc_regh, 804 R128_SC_RIGHT, x + wi - 1); 805 bus_space_write_4(sc->sc_memt, sc->sc_regh, 806 R128_SC_LEFT, x); 807 808 /* needed? */ 809 bus_space_write_4(sc->sc_memt, sc->sc_regh, 810 R128_SRC_X_Y, 0); 811 812 offset = 32 - (ri->ri_font->stride << 3); 813 bus_space_write_4(sc->sc_memt, sc->sc_regh, 814 R128_DST_X_Y, ((x - offset) << 16) | y); 815 bus_space_write_4(sc->sc_memt, sc->sc_regh, 816 R128_DST_WIDTH_HEIGHT, (32 << 16) | he); 817 818 r128fb_wait(sc, he); 819 switch (ri->ri_font->stride) { 820 case 1: { 821 uint8_t *data8 = data; 822 uint32_t reg; 823 for (i = 0; i < he; i++) { 824 reg = *data8; 825 bus_space_write_stream_4(sc->sc_memt, 826 sc->sc_regh, 827 R128_HOST_DATA0, reg); 828 data8++; 829 } 830 break; 831 } 832 case 2: { 833 uint16_t *data16 = data; 834 uint32_t reg; 835 for (i = 0; i < he; i++) { 836 reg = *data16; 837 bus_space_write_stream_4(sc->sc_memt, 838 sc->sc_regh, 839 R128_HOST_DATA0, reg); 840 data16++; 841 } 842 break; 843 } 844 } 845 } 846 } 847 } 848 849 static void 850 r128fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 851 { 852 struct rasops_info *ri = cookie; 853 struct vcons_screen *scr = ri->ri_hw; 854 struct r128fb_softc *sc = scr->scr_cookie; 855 int32_t xs, xd, y, width, height; 856 857 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 858 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 859 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 860 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 861 width = ri->ri_font->fontwidth * ncols; 862 height = ri->ri_font->fontheight; 863 r128fb_bitblt(sc, xs, y, xd, y, width, height, R128_ROP3_S); 864 } 865 } 866 867 static void 868 r128fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 869 { 870 struct rasops_info *ri = cookie; 871 struct vcons_screen *scr = ri->ri_hw; 872 struct r128fb_softc *sc = scr->scr_cookie; 873 int32_t x, y, width, height, fg, bg, ul; 874 875 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 876 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 877 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 878 width = ri->ri_font->fontwidth * ncols; 879 height = ri->ri_font->fontheight; 880 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 881 882 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 883 } 884 } 885 886 static void 887 r128fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 888 { 889 struct rasops_info *ri = cookie; 890 struct vcons_screen *scr = ri->ri_hw; 891 struct r128fb_softc *sc = scr->scr_cookie; 892 int32_t x, ys, yd, width, height; 893 894 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 895 x = ri->ri_xorigin; 896 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 897 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 898 width = ri->ri_emuwidth; 899 height = ri->ri_font->fontheight * nrows; 900 r128fb_bitblt(sc, x, ys, x, yd, width, height, R128_ROP3_S); 901 } 902 } 903 904 static void 905 r128fb_eraserows(void *cookie, int row, int nrows, long fillattr) 906 { 907 struct rasops_info *ri = cookie; 908 struct vcons_screen *scr = ri->ri_hw; 909 struct r128fb_softc *sc = scr->scr_cookie; 910 int32_t x, y, width, height, fg, bg, ul; 911 912 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 913 x = ri->ri_xorigin; 914 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 915 width = ri->ri_emuwidth; 916 height = ri->ri_font->fontheight * nrows; 917 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 918 919 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 920 } 921 } 922 923 static void 924 r128fb_set_backlight(struct r128fb_softc *sc, int level) 925 { 926 uint32_t reg; 927 928 if (level > 255) level = 255; 929 if (level < 0) level = 0; 930 if (level == sc->sc_bl_level) 931 return; 932 sc->sc_bl_level = level; 933 level = 255 - level; 934 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL); 935 reg &= ~R128_LEVEL_MASK; 936 reg |= level << R128_LEVEL_SHIFT; 937 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL, reg); 938 DPRINTF("level: %d reg %08x\n", level, reg); 939 } 940 941 942 static void 943 r128fb_brightness_up(device_t dev) 944 { 945 struct r128fb_softc *sc = device_private(dev); 946 947 r128fb_set_backlight(sc, sc->sc_bl_level + 8); 948 } 949 950 static void 951 r128fb_brightness_down(device_t dev) 952 { 953 struct r128fb_softc *sc = device_private(dev); 954 955 r128fb_set_backlight(sc, sc->sc_bl_level - 8); 956 } 957
Indexes created Mon Sep 29 21:09:56 GMT 2025