voyagerfb.c revision 1.18
1 /* $NetBSD: voyagerfb.c,v 1.18 2012/03/13 18:40:34 elad Exp $ */ 2 3 /* 4 * Copyright (c) 2009, 2011 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 Silicon Motion SM502 / Voyager GX graphics controllers 30 * tested on GDIUM only so far 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: voyagerfb.c,v 1.18 2012/03/13 18:40:34 elad 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 <dev/videomode/videomode.h> 45 46 #include <dev/pci/pcivar.h> 47 #include <dev/pci/pcireg.h> 48 #include <dev/pci/pcidevs.h> 49 #include <dev/pci/pciio.h> 50 #include <dev/ic/sm502reg.h> 51 52 #include <dev/wscons/wsdisplayvar.h> 53 #include <dev/wscons/wsconsio.h> 54 #include <dev/wsfont/wsfont.h> 55 #include <dev/rasops/rasops.h> 56 #include <dev/wscons/wsdisplay_vconsvar.h> 57 #include <dev/pci/wsdisplay_pci.h> 58 59 #include <dev/i2c/i2cvar.h> 60 #include <dev/pci/voyagervar.h> 61 #include <dev/wscons/wsdisplay_glyphcachevar.h> 62 63 #include "opt_voyagerfb.h" 64 65 #ifdef VOYAGERFB_DEBUG 66 #define DPRINTF aprint_error 67 #else 68 #define DPRINTF while (0) printf 69 #endif 70 71 /* there are probably gdium-specific */ 72 #define GPIO_BACKLIGHT 0x20000000 73 74 struct voyagerfb_softc { 75 device_t sc_dev; 76 77 pci_chipset_tag_t sc_pc; 78 pcitag_t sc_pcitag; 79 bus_space_tag_t sc_memt; 80 81 bus_space_handle_t sc_fbh; 82 bus_space_handle_t sc_regh; 83 bus_addr_t sc_fb, sc_reg; 84 bus_size_t sc_fbsize, sc_regsize; 85 86 int sc_width, sc_height, sc_depth, sc_stride; 87 int sc_locked; 88 void *sc_fbaddr; 89 struct vcons_screen sc_console_screen; 90 struct wsscreen_descr sc_defaultscreen_descr; 91 const struct wsscreen_descr *sc_screens[1]; 92 struct wsscreen_list sc_screenlist; 93 struct vcons_data vd; 94 uint8_t *sc_dataport; 95 int sc_mode; 96 int sc_bl_on, sc_bl_level; 97 void *sc_gpio_cookie; 98 99 /* cursor stuff */ 100 int sc_cur_x; 101 int sc_cur_y; 102 int sc_hot_x; 103 int sc_hot_y; 104 uint32_t sc_cursor_addr; 105 uint32_t *sc_cursor; 106 107 /* colour map */ 108 u_char sc_cmap_red[256]; 109 u_char sc_cmap_green[256]; 110 u_char sc_cmap_blue[256]; 111 112 glyphcache sc_gc; 113 }; 114 115 static int voyagerfb_match(device_t, cfdata_t, void *); 116 static void voyagerfb_attach(device_t, device_t, void *); 117 118 CFATTACH_DECL_NEW(voyagerfb, sizeof(struct voyagerfb_softc), 119 voyagerfb_match, voyagerfb_attach, NULL, NULL); 120 121 extern const u_char rasops_cmap[768]; 122 123 static int voyagerfb_ioctl(void *, void *, u_long, void *, int, 124 struct lwp *); 125 static paddr_t voyagerfb_mmap(void *, void *, off_t, int); 126 static void voyagerfb_init_screen(void *, struct vcons_screen *, int, 127 long *); 128 129 static int voyagerfb_putcmap(struct voyagerfb_softc *, 130 struct wsdisplay_cmap *); 131 static int voyagerfb_getcmap(struct voyagerfb_softc *, 132 struct wsdisplay_cmap *); 133 static void voyagerfb_restore_palette(struct voyagerfb_softc *); 134 static int voyagerfb_putpalreg(struct voyagerfb_softc *, int, uint8_t, 135 uint8_t, uint8_t); 136 137 static void voyagerfb_init(struct voyagerfb_softc *); 138 139 static void voyagerfb_rectfill(struct voyagerfb_softc *, int, int, int, int, 140 uint32_t); 141 static void voyagerfb_bitblt(void *, int, int, int, int, 142 int, int, int); 143 144 static void voyagerfb_cursor(void *, int, int, int); 145 static void voyagerfb_putchar(void *, int, int, u_int, long); 146 static void voyagerfb_copycols(void *, int, int, int, int); 147 static void voyagerfb_erasecols(void *, int, int, int, long); 148 static void voyagerfb_copyrows(void *, int, int, int); 149 static void voyagerfb_eraserows(void *, int, int, long); 150 151 static int voyagerfb_set_curpos(struct voyagerfb_softc *, int, int); 152 static int voyagerfb_gcursor(struct voyagerfb_softc *, struct wsdisplay_cursor *); 153 static int voyagerfb_scursor(struct voyagerfb_softc *, struct wsdisplay_cursor *); 154 155 struct wsdisplay_accessops voyagerfb_accessops = { 156 voyagerfb_ioctl, 157 voyagerfb_mmap, 158 NULL, /* alloc_screen */ 159 NULL, /* free_screen */ 160 NULL, /* show_screen */ 161 NULL, /* load_font */ 162 NULL, /* pollc */ 163 NULL /* scroll */ 164 }; 165 166 static void voyagerfb_setup_backlight(struct voyagerfb_softc *); 167 static void voyagerfb_brightness_up(device_t); 168 static void voyagerfb_brightness_down(device_t); 169 /* set backlight level */ 170 static void voyagerfb_set_backlight(struct voyagerfb_softc *, int); 171 /* turn backlight on and off without messing with the level */ 172 static void voyagerfb_switch_backlight(struct voyagerfb_softc *, int); 173 174 /* wait for FIFO empty so we can feed it another command */ 175 static inline void 176 voyagerfb_ready(struct voyagerfb_softc *sc) 177 { 178 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 179 SM502_SYSTEM_CTRL) & SM502_SYSCTL_FIFO_EMPTY) == 0); 180 } 181 182 /* wait for the drawing engine to be idle */ 183 static inline void 184 voyagerfb_wait(struct voyagerfb_softc *sc) 185 { 186 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 187 SM502_SYSTEM_CTRL) & SM502_SYSCTL_ENGINE_BUSY) != 0); 188 } 189 190 static int 191 voyagerfb_match(device_t parent, cfdata_t match, void *aux) 192 { 193 struct voyager_attach_args *vaa = (struct voyager_attach_args *)aux; 194 195 if (strcmp(vaa->vaa_name, "voyagerfb") == 0) return 100; 196 return 0; 197 } 198 199 static void 200 voyagerfb_attach(device_t parent, device_t self, void *aux) 201 { 202 struct voyagerfb_softc *sc = device_private(self); 203 struct voyager_attach_args *vaa = aux; 204 struct rasops_info *ri; 205 struct wsemuldisplaydev_attach_args aa; 206 prop_dictionary_t dict; 207 unsigned long defattr; 208 bool is_console; 209 int i, j; 210 211 sc->sc_pc = vaa->vaa_pc; 212 sc->sc_pcitag = vaa->vaa_pcitag; 213 sc->sc_memt = vaa->vaa_tag; 214 sc->sc_dev = self; 215 216 aprint_normal("\n"); 217 218 dict = device_properties(self); 219 prop_dictionary_get_bool(dict, "is_console", &is_console); 220 221 sc->sc_fb = vaa->vaa_mem_pa; 222 sc->sc_fbh = vaa->vaa_memh; 223 sc->sc_fbsize = 16 * 1024 * 1024; 224 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 225 226 sc->sc_reg = vaa->vaa_reg_pa; 227 sc->sc_regh = vaa->vaa_regh; 228 sc->sc_regsize = 2 * 1024 * 1024; 229 sc->sc_dataport = bus_space_vaddr(sc->sc_memt, sc->sc_regh); 230 sc->sc_dataport += SM502_DATAPORT; 231 232 sc->sc_width = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 233 SM502_PANEL_FB_WIDTH) & SM502_FBW_WIN_WIDTH_MASK) >> 16; 234 sc->sc_height = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 235 SM502_PANEL_FB_HEIGHT) & SM502_FBH_WIN_HEIGHT_MASK) >> 16; 236 237 #ifdef VOYAGERFB_ANTIALIAS 238 sc->sc_depth = 32; 239 #else 240 sc->sc_depth = 8; 241 #endif 242 243 /* init engine here */ 244 voyagerfb_init(sc); 245 246 printf("%s: %d x %d, %d bit, stride %d\n", device_xname(self), 247 sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride); 248 249 /* 250 * XXX yeah, casting the fb address to uint32_t is formally wrong 251 * but as far as I know there are no SM502 with 64bit BARs 252 */ 253 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 254 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 255 256 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 257 "default", 258 0, 0, 259 NULL, 260 8, 16, 261 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 262 NULL 263 }; 264 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 265 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 266 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 267 sc->sc_locked = 0; 268 269 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 270 &voyagerfb_accessops); 271 sc->vd.init_screen = voyagerfb_init_screen; 272 273 /* backlight control */ 274 sc->sc_gpio_cookie = device_private(parent); 275 voyagerfb_setup_backlight(sc); 276 277 ri = &sc->sc_console_screen.scr_ri; 278 279 sc->sc_gc.gc_bitblt = voyagerfb_bitblt; 280 sc->sc_gc.gc_blitcookie = sc; 281 sc->sc_gc.gc_rop = ROP_COPY; 282 if (is_console) { 283 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 284 &defattr); 285 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 286 287 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 } else { 292 /* 293 * since we're not the console we can postpone the rest 294 * until someone actually allocates a screen for us 295 */ 296 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 297 } 298 glyphcache_init(&sc->sc_gc, sc->sc_height, 299 sc->sc_width, 300 (sc->sc_fbsize / sc->sc_stride) - sc->sc_height, 301 ri->ri_font->fontwidth, 302 ri->ri_font->fontheight, 303 defattr); 304 if (is_console) 305 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 306 defattr); 307 308 j = 0; 309 if (sc->sc_depth <= 8) { 310 for (i = 0; i < (1 << sc->sc_depth); i++) { 311 312 sc->sc_cmap_red[i] = rasops_cmap[j]; 313 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 314 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 315 voyagerfb_putpalreg(sc, i, rasops_cmap[j], 316 rasops_cmap[j + 1], rasops_cmap[j + 2]); 317 j += 3; 318 } 319 } 320 321 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 322 ri->ri_devcmap[(defattr >> 16) & 0xff]); 323 324 if (is_console) 325 vcons_replay_msgbuf(&sc->sc_console_screen); 326 327 aa.console = is_console; 328 aa.scrdata = &sc->sc_screenlist; 329 aa.accessops = &voyagerfb_accessops; 330 aa.accesscookie = &sc->vd; 331 332 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 333 } 334 335 static int 336 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 337 struct lwp *l) 338 { 339 struct vcons_data *vd = v; 340 struct voyagerfb_softc *sc = vd->cookie; 341 struct wsdisplay_fbinfo *wdf; 342 struct vcons_screen *ms = vd->active; 343 struct wsdisplay_param *param; 344 345 switch (cmd) { 346 case WSDISPLAYIO_GTYPE: 347 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 348 return 0; 349 350 /* PCI config read/write passthrough. */ 351 case PCI_IOC_CFGREAD: 352 case PCI_IOC_CFGWRITE: 353 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 354 cmd, data, flag, l); 355 356 case WSDISPLAYIO_GET_BUSID: 357 return wsdisplayio_busid_pci(device_parent(sc->sc_dev), 358 sc->sc_pc, sc->sc_pcitag, data); 359 360 case WSDISPLAYIO_GINFO: 361 if (ms == NULL) 362 return ENODEV; 363 wdf = (void *)data; 364 wdf->height = ms->scr_ri.ri_height; 365 wdf->width = ms->scr_ri.ri_width; 366 wdf->depth = 32; 367 wdf->cmsize = 256; 368 return 0; 369 370 case WSDISPLAYIO_GETCMAP: 371 return voyagerfb_getcmap(sc, 372 (struct wsdisplay_cmap *)data); 373 374 case WSDISPLAYIO_PUTCMAP: 375 return voyagerfb_putcmap(sc, 376 (struct wsdisplay_cmap *)data); 377 378 case WSDISPLAYIO_LINEBYTES: 379 *(u_int *)data = sc->sc_stride; 380 return 0; 381 382 case WSDISPLAYIO_SMODE: { 383 int new_mode = *(int*)data; 384 if (new_mode != sc->sc_mode) { 385 sc->sc_mode = new_mode; 386 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 387 #ifdef VOYAGERFB_ANTIALIAS 388 sc->sc_depth = 32; 389 #else 390 sc->sc_depth = 8; 391 #endif 392 glyphcache_wipe(&sc->sc_gc); 393 voyagerfb_init(sc); 394 voyagerfb_restore_palette(sc); 395 vcons_redraw_screen(ms); 396 } else { 397 sc->sc_depth = 32; 398 voyagerfb_init(sc); 399 } 400 } 401 } 402 return 0; 403 404 case WSDISPLAYIO_GVIDEO: 405 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON : 406 WSDISPLAYIO_VIDEO_OFF; 407 return 0; 408 409 case WSDISPLAYIO_SVIDEO: { 410 int new_bl = *(int *)data; 411 412 voyagerfb_switch_backlight(sc, new_bl); 413 } 414 return 0; 415 416 case WSDISPLAYIO_GETPARAM: 417 param = (struct wsdisplay_param *)data; 418 switch (param->param) { 419 case WSDISPLAYIO_PARAM_BRIGHTNESS: 420 param->min = 0; 421 param->max = 255; 422 param->curval = sc->sc_bl_level; 423 return 0; 424 case WSDISPLAYIO_PARAM_BACKLIGHT: 425 param->min = 0; 426 param->max = 1; 427 param->curval = sc->sc_bl_on; 428 return 0; 429 } 430 return EPASSTHROUGH; 431 432 case WSDISPLAYIO_SETPARAM: 433 param = (struct wsdisplay_param *)data; 434 switch (param->param) { 435 case WSDISPLAYIO_PARAM_BRIGHTNESS: 436 voyagerfb_set_backlight(sc, param->curval); 437 return 0; 438 case WSDISPLAYIO_PARAM_BACKLIGHT: 439 voyagerfb_switch_backlight(sc, param->curval); 440 return 0; 441 } 442 return EPASSTHROUGH; 443 444 case WSDISPLAYIO_GCURPOS: 445 { 446 struct wsdisplay_curpos *pos; 447 448 pos = (struct wsdisplay_curpos *)data; 449 pos->x = sc->sc_cur_x; 450 pos->y = sc->sc_cur_y; 451 } 452 return 0; 453 454 case WSDISPLAYIO_SCURPOS: 455 { 456 struct wsdisplay_curpos *pos; 457 458 pos = (struct wsdisplay_curpos *)data; 459 voyagerfb_set_curpos(sc, pos->x, pos->y); 460 } 461 return 0; 462 463 case WSDISPLAYIO_GCURMAX: 464 { 465 struct wsdisplay_curpos *pos; 466 467 pos = (struct wsdisplay_curpos *)data; 468 pos->x = 64; 469 pos->y = 64; 470 } 471 return 0; 472 473 case WSDISPLAYIO_GCURSOR: 474 { 475 struct wsdisplay_cursor *cu; 476 477 cu = (struct wsdisplay_cursor *)data; 478 return voyagerfb_gcursor(sc, cu); 479 } 480 481 case WSDISPLAYIO_SCURSOR: 482 { 483 struct wsdisplay_cursor *cu; 484 485 cu = (struct wsdisplay_cursor *)data; 486 return voyagerfb_scursor(sc, cu); 487 } 488 } 489 return EPASSTHROUGH; 490 } 491 492 static paddr_t 493 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot) 494 { 495 struct vcons_data *vd = v; 496 struct voyagerfb_softc *sc = vd->cookie; 497 paddr_t pa; 498 499 /* 'regular' framebuffer mmap()ing */ 500 if (offset < sc->sc_fbsize) { 501 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 502 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 503 return pa; 504 } 505 506 /* 507 * restrict all other mappings to processes with superuser privileges 508 * or the kernel itself 509 */ 510 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM, 511 NULL, NULL, NULL, NULL) != 0) { 512 aprint_normal("%s: mmap() rejected.\n", 513 device_xname(sc->sc_dev)); 514 return -1; 515 } 516 517 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 518 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 519 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 520 return pa; 521 } 522 523 if ((offset >= sc->sc_reg) && 524 (offset < (sc->sc_reg + sc->sc_regsize))) { 525 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0); 526 return pa; 527 } 528 529 return -1; 530 } 531 532 static void 533 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr, 534 int existing, long *defattr) 535 { 536 struct voyagerfb_softc *sc = cookie; 537 struct rasops_info *ri = &scr->scr_ri; 538 539 ri->ri_depth = sc->sc_depth; 540 ri->ri_width = sc->sc_width; 541 ri->ri_height = sc->sc_height; 542 ri->ri_stride = sc->sc_stride; 543 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 544 545 ri->ri_bits = (char *)sc->sc_fbaddr; 546 547 if (existing) { 548 ri->ri_flg |= RI_CLEAR; 549 } 550 #ifdef VOYAGERFB_ANTIALIAS 551 ri->ri_flg |= RI_ENABLE_ALPHA; 552 #endif 553 554 rasops_init(ri, 0, 0); 555 ri->ri_caps = WSSCREEN_WSCOLORS; 556 557 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 558 sc->sc_width / ri->ri_font->fontwidth); 559 560 ri->ri_hw = scr; 561 ri->ri_ops.copyrows = voyagerfb_copyrows; 562 ri->ri_ops.copycols = voyagerfb_copycols; 563 ri->ri_ops.eraserows = voyagerfb_eraserows; 564 ri->ri_ops.erasecols = voyagerfb_erasecols; 565 ri->ri_ops.cursor = voyagerfb_cursor; 566 ri->ri_ops.putchar = voyagerfb_putchar; 567 } 568 569 static int 570 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 571 { 572 u_char *r, *g, *b; 573 u_int index = cm->index; 574 u_int count = cm->count; 575 int i, error; 576 u_char rbuf[256], gbuf[256], bbuf[256]; 577 578 #ifdef VOYAGERFB_DEBUG 579 aprint_debug("putcmap: %d %d\n",index, count); 580 #endif 581 if (cm->index >= 256 || cm->count > 256 || 582 (cm->index + cm->count) > 256) 583 return EINVAL; 584 error = copyin(cm->red, &rbuf[index], count); 585 if (error) 586 return error; 587 error = copyin(cm->green, &gbuf[index], count); 588 if (error) 589 return error; 590 error = copyin(cm->blue, &bbuf[index], count); 591 if (error) 592 return error; 593 594 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 595 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 596 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 597 598 r = &sc->sc_cmap_red[index]; 599 g = &sc->sc_cmap_green[index]; 600 b = &sc->sc_cmap_blue[index]; 601 602 for (i = 0; i < count; i++) { 603 voyagerfb_putpalreg(sc, index, *r, *g, *b); 604 index++; 605 r++, g++, b++; 606 } 607 return 0; 608 } 609 610 static int 611 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 612 { 613 u_int index = cm->index; 614 u_int count = cm->count; 615 int error; 616 617 if (index >= 255 || count > 256 || index + count > 256) 618 return EINVAL; 619 620 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 621 if (error) 622 return error; 623 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 624 if (error) 625 return error; 626 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 627 if (error) 628 return error; 629 630 return 0; 631 } 632 633 static void 634 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 635 { 636 int i; 637 638 for (i = 0; i < (1 << sc->sc_depth); i++) { 639 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 640 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 641 } 642 } 643 644 static int 645 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 646 uint8_t g, uint8_t b) 647 { 648 uint32_t reg; 649 650 reg = (r << 16) | (g << 8) | b; 651 /* XXX we should probably write the CRT palette too */ 652 bus_space_write_4(sc->sc_memt, sc->sc_regh, 653 SM502_PALETTE_PANEL + (idx << 2), reg); 654 return 0; 655 } 656 657 static void 658 voyagerfb_init(struct voyagerfb_softc *sc) 659 { 660 int reg; 661 662 voyagerfb_wait(sc); 663 /* disable colour compare */ 664 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 665 /* allow writes to all planes */ 666 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 667 0xffffffff); 668 /* disable clipping */ 669 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 670 /* source and destination in local memory, no offset */ 671 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 672 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 673 /* pitch is screen stride */ 674 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 675 sc->sc_width | (sc->sc_width << 16)); 676 /* window is screen width */ 677 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 678 sc->sc_width | (sc->sc_width << 16)); 679 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 680 reg &= ~SM502_PDC_DEPTH_MASK; 681 682 switch (sc->sc_depth) { 683 case 8: 684 bus_space_write_4(sc->sc_memt, sc->sc_regh, 685 SM502_STRETCH, SM502_STRETCH_8BIT); 686 sc->sc_stride = sc->sc_width; 687 reg |= SM502_PDC_8BIT; 688 break; 689 case 16: 690 bus_space_write_4(sc->sc_memt, sc->sc_regh, 691 SM502_STRETCH, SM502_STRETCH_16BIT); 692 sc->sc_stride = sc->sc_width << 1; 693 reg |= SM502_PDC_16BIT; 694 break; 695 case 24: 696 case 32: 697 bus_space_write_4(sc->sc_memt, sc->sc_regh, 698 SM502_STRETCH, SM502_STRETCH_32BIT); 699 sc->sc_stride = sc->sc_width << 2; 700 reg |= SM502_PDC_32BIT; 701 break; 702 } 703 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 704 (sc->sc_stride << 16) | sc->sc_stride); 705 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 706 reg); 707 708 /* put the cursor at the end of video memory */ 709 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */ 710 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 711 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, sc->sc_fbh) 712 + sc->sc_cursor_addr); 713 #ifdef VOYAGERFB_DEBUG 714 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 0x00100010); 715 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 0x0000ffff); 716 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 0x0000f800); 717 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 718 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 719 sc->sc_cursor[0] = 0x00000000; 720 sc->sc_cursor[1] = 0x00000000; 721 sc->sc_cursor[2] = 0xffffffff; 722 sc->sc_cursor[3] = 0xffffffff; 723 sc->sc_cursor[4] = 0xaaaaaaaa; 724 sc->sc_cursor[5] = 0xaaaaaaaa; 725 sc->sc_cursor[6] = 0xffffffff; 726 sc->sc_cursor[7] = 0x00000000; 727 #else 728 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 729 sc->sc_cursor_addr); 730 #endif 731 } 732 733 static void 734 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 735 uint32_t colour) 736 { 737 738 voyagerfb_ready(sc); 739 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 740 ROP_COPY | 741 SM502_CTRL_USE_ROP2 | 742 SM502_CTRL_CMD_RECTFILL | 743 SM502_CTRL_QUICKSTART_E); 744 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 745 colour); 746 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 747 (x << 16) | y); 748 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 749 (wi << 16) | he); 750 } 751 752 static void 753 voyagerfb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 754 int wi, int he, int rop) 755 { 756 struct voyagerfb_softc *sc = cookie; 757 uint32_t cmd; 758 759 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 760 SM502_CTRL_QUICKSTART_E; 761 762 voyagerfb_ready(sc); 763 764 if (xd <= xs) { 765 /* left to right */ 766 } else { 767 /* 768 * According to the manual this flag reverses only the blitter's 769 * X direction. At least on my Gdium it also reverses the Y 770 * direction 771 */ 772 cmd |= SM502_CTRL_R_TO_L; 773 xs += wi - 1; 774 xd += wi - 1; 775 ys += he - 1; 776 yd += he - 1; 777 } 778 779 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 780 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 781 (xs << 16) | ys); 782 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 783 (xd << 16) | yd); 784 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 785 (wi << 16) | he); 786 } 787 788 static void 789 voyagerfb_cursor(void *cookie, int on, int row, int col) 790 { 791 struct rasops_info *ri = cookie; 792 struct vcons_screen *scr = ri->ri_hw; 793 struct voyagerfb_softc *sc = scr->scr_cookie; 794 int x, y, wi, he; 795 796 wi = ri->ri_font->fontwidth; 797 he = ri->ri_font->fontheight; 798 799 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 800 x = ri->ri_ccol * wi + ri->ri_xorigin; 801 y = ri->ri_crow * he + ri->ri_yorigin; 802 if (ri->ri_flg & RI_CURSOR) { 803 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 804 ri->ri_flg &= ~RI_CURSOR; 805 } 806 ri->ri_crow = row; 807 ri->ri_ccol = col; 808 if (on) { 809 x = ri->ri_ccol * wi + ri->ri_xorigin; 810 y = ri->ri_crow * he + ri->ri_yorigin; 811 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 812 ri->ri_flg |= RI_CURSOR; 813 } 814 } else { 815 scr->scr_ri.ri_crow = row; 816 scr->scr_ri.ri_ccol = col; 817 scr->scr_ri.ri_flg &= ~RI_CURSOR; 818 } 819 820 } 821 822 static inline void 823 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 824 { 825 uint32_t *port = (uint32_t *)sc->sc_dataport; 826 int i; 827 828 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 829 *port = *data; 830 data++; 831 } 832 } 833 834 static inline void 835 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 836 { 837 uint32_t *port = (uint32_t *)sc->sc_dataport; 838 int i; 839 840 len = len << 1; 841 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 842 *port = *data; 843 data++; 844 } 845 } 846 847 848 static void 849 voyagerfb_putchar(void *cookie, int row, int col, u_int c, long attr) 850 { 851 struct rasops_info *ri = cookie; 852 struct wsdisplay_font *font = PICK_FONT(ri, c); 853 struct vcons_screen *scr = ri->ri_hw; 854 struct voyagerfb_softc *sc = scr->scr_cookie; 855 uint32_t cmd; 856 int fg, bg; 857 uint8_t *data; 858 int x, y, wi, he; 859 int rv; 860 861 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 862 return; 863 864 if (!CHAR_IN_FONT(c, font)) 865 return; 866 867 wi = font->fontwidth; 868 he = font->fontheight; 869 870 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 871 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 872 x = ri->ri_xorigin + col * wi; 873 y = ri->ri_yorigin + row * he; 874 if (c == 0x20) { 875 voyagerfb_rectfill(sc, x, y, wi, he, bg); 876 return; 877 } 878 879 data = WSFONT_GLYPH(c, font); 880 if (!FONT_IS_ALPHA(font)) { 881 /* this is a mono font */ 882 cmd = ROP_COPY | 883 SM502_CTRL_USE_ROP2 | 884 SM502_CTRL_CMD_HOSTWRT | 885 SM502_CTRL_HOSTBLT_MONO | 886 SM502_CTRL_QUICKSTART_E | 887 SM502_CTRL_MONO_PACK_32BIT; 888 voyagerfb_ready(sc); 889 bus_space_write_4(sc->sc_memt, sc->sc_regh, 890 SM502_CONTROL, cmd); 891 bus_space_write_4(sc->sc_memt, sc->sc_regh, 892 SM502_FOREGROUND, fg); 893 bus_space_write_4(sc->sc_memt, sc->sc_regh, 894 SM502_BACKGROUND, bg); 895 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 896 bus_space_write_4(sc->sc_memt, sc->sc_regh, 897 SM502_DST, (x << 16) | y); 898 bus_space_write_4(sc->sc_memt, sc->sc_regh, 899 SM502_DIMENSION, (wi << 16) | he); 900 /* now feed the data, padded to 32bit */ 901 switch (ri->ri_font->stride) { 902 case 1: 903 voyagerfb_feed8(sc, data, ri->ri_fontscale); 904 break; 905 case 2: 906 voyagerfb_feed16(sc, (uint16_t *)data, 907 ri->ri_fontscale); 908 break; 909 910 } 911 } else { 912 /* 913 * alpha font 914 * we can't accelerate the actual alpha blending but 915 * we can at least use a host blit to go through the 916 * pipeline instead of having to sync the engine 917 */ 918 int i, j, r, g, b, aval, pad; 919 int rf, gf, bf, rb, gb, bb; 920 uint32_t pixel; 921 922 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 923 if (rv == GC_OK) 924 return; 925 926 cmd = ROP_COPY | 927 SM502_CTRL_USE_ROP2 | 928 SM502_CTRL_CMD_HOSTWRT | 929 SM502_CTRL_QUICKSTART_E; 930 voyagerfb_ready(sc); 931 bus_space_write_4(sc->sc_memt, sc->sc_regh, 932 SM502_CONTROL, cmd); 933 bus_space_write_4(sc->sc_memt, sc->sc_regh, 934 SM502_SRC, 0); 935 bus_space_write_4(sc->sc_memt, sc->sc_regh, 936 SM502_DST, (x << 16) | y); 937 bus_space_write_4(sc->sc_memt, sc->sc_regh, 938 SM502_DIMENSION, (wi << 16) | he); 939 rf = (fg >> 16) & 0xff; 940 rb = (bg >> 16) & 0xff; 941 gf = (fg >> 8) & 0xff; 942 gb = (bg >> 8) & 0xff; 943 bf = fg & 0xff; 944 bb = bg & 0xff; 945 pad = wi & 1; 946 for (i = 0; i < he; i++) { 947 for (j = 0; j < wi; j++) { 948 aval = *data; 949 data++; 950 if (aval == 0) { 951 pixel = bg; 952 } else if (aval == 255) { 953 pixel = fg; 954 } else { 955 r = aval * rf + (255 - aval) * rb; 956 g = aval * gf + (255 - aval) * gb; 957 b = aval * bf + (255 - aval) * bb; 958 pixel = (r & 0xff00) << 8 | 959 (g & 0xff00) | 960 (b & 0xff00) >> 8; 961 } 962 bus_space_write_4(sc->sc_memt, sc->sc_regh, 963 SM502_DATAPORT, pixel); 964 } 965 if (pad) 966 bus_space_write_4(sc->sc_memt, sc->sc_regh, 967 SM502_DATAPORT, 0); 968 } 969 if (rv == GC_ADD) { 970 glyphcache_add(&sc->sc_gc, c, x, y); 971 } 972 } 973 } 974 975 static void 976 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 977 { 978 struct rasops_info *ri = cookie; 979 struct vcons_screen *scr = ri->ri_hw; 980 struct voyagerfb_softc *sc = scr->scr_cookie; 981 int32_t xs, xd, y, width, height; 982 983 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 984 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 985 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 986 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 987 width = ri->ri_font->fontwidth * ncols; 988 height = ri->ri_font->fontheight; 989 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY); 990 } 991 } 992 993 static void 994 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols, 995 long fillattr) 996 { 997 struct rasops_info *ri = cookie; 998 struct vcons_screen *scr = ri->ri_hw; 999 struct voyagerfb_softc *sc = scr->scr_cookie; 1000 int32_t x, y, width, height, fg, bg, ul; 1001 1002 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1003 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1004 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1005 width = ri->ri_font->fontwidth * ncols; 1006 height = ri->ri_font->fontheight; 1007 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1008 1009 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1010 } 1011 } 1012 1013 static void 1014 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1015 { 1016 struct rasops_info *ri = cookie; 1017 struct vcons_screen *scr = ri->ri_hw; 1018 struct voyagerfb_softc *sc = scr->scr_cookie; 1019 int32_t x, ys, yd, width, height; 1020 int i; 1021 1022 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1023 x = ri->ri_xorigin; 1024 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1025 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1026 width = ri->ri_emuwidth; 1027 height = ri->ri_font->fontheight * nrows; 1028 if ((nrows > 1) && (dstrow > srcrow)) { 1029 /* 1030 * the blitter can't do bottom-up copies so we have 1031 * to copy line by line here 1032 * should probably use a command sequence 1033 */ 1034 ys += (height - ri->ri_font->fontheight); 1035 yd += (height - ri->ri_font->fontheight); 1036 for (i = 0; i < nrows; i++) { 1037 voyagerfb_bitblt(sc, x, ys, x, yd, width, 1038 ri->ri_font->fontheight, ROP_COPY); 1039 ys -= ri->ri_font->fontheight; 1040 yd -= ri->ri_font->fontheight; 1041 } 1042 } else 1043 voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 1044 ROP_COPY); 1045 } 1046 } 1047 1048 static void 1049 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr) 1050 { 1051 struct rasops_info *ri = cookie; 1052 struct vcons_screen *scr = ri->ri_hw; 1053 struct voyagerfb_softc *sc = scr->scr_cookie; 1054 int32_t x, y, width, height, fg, bg, ul; 1055 1056 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1057 x = ri->ri_xorigin; 1058 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1059 width = ri->ri_emuwidth; 1060 height = ri->ri_font->fontheight * nrows; 1061 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1062 1063 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1064 } 1065 } 1066 1067 /* backlight control */ 1068 static void 1069 voyagerfb_setup_backlight(struct voyagerfb_softc *sc) 1070 { 1071 /* switch the pin to gpio mode if it isn't already */ 1072 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1073 /* turn it on */ 1074 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1075 sc->sc_bl_on = 1; 1076 sc->sc_bl_level = 255; 1077 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 1078 voyagerfb_brightness_up, TRUE); 1079 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 1080 voyagerfb_brightness_down, TRUE); 1081 } 1082 1083 static void 1084 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level) 1085 { 1086 1087 /* 1088 * should we do nothing when backlight is off, should we just store the 1089 * level and use it when turning back on or should we just flip sc_bl_on 1090 * and turn the backlight on? 1091 * For now turn it on so a crashed screensaver can't get the user stuck 1092 * with a dark screen as long as hotkeys work 1093 */ 1094 if (level > 255) level = 255; 1095 if (level < 0) level = 0; 1096 if (level == sc->sc_bl_level) 1097 return; 1098 sc->sc_bl_level = level; 1099 if (sc->sc_bl_on == 0) 1100 sc->sc_bl_on = 1; 1101 /* and here we would actually muck with the hardware */ 1102 if ((level == 0) || (level == 255)) { 1103 /* in these cases bypass the PWM and use the gpio */ 1104 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1105 if (level == 0) { 1106 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1107 } else { 1108 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1109 } 1110 } else { 1111 uint32_t pwm; 1112 1113 pwm = voyager_set_pwm(20000, level * 1000 / 256); 1114 pwm |= SM502_PWM_ENABLE; 1115 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm); 1116 1117 /* let the PWM take over */ 1118 voyager_control_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1119 } 1120 } 1121 1122 static void 1123 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on) 1124 { 1125 1126 if (on == sc->sc_bl_on) 1127 return; 1128 sc->sc_bl_on = on; 1129 if (on) { 1130 int level = sc->sc_bl_level; 1131 1132 sc->sc_bl_level = -1; 1133 voyagerfb_set_backlight(sc, level); 1134 } else { 1135 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1136 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1137 } 1138 } 1139 1140 1141 static void 1142 voyagerfb_brightness_up(device_t dev) 1143 { 1144 struct voyagerfb_softc *sc = device_private(dev); 1145 1146 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8); 1147 } 1148 1149 static void 1150 voyagerfb_brightness_down(device_t dev) 1151 { 1152 struct voyagerfb_softc *sc = device_private(dev); 1153 1154 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8); 1155 } 1156 1157 static int 1158 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y) 1159 { 1160 uint32_t val; 1161 int xx, yy; 1162 1163 sc->sc_cur_x = x; 1164 sc->sc_cur_y = y; 1165 1166 xx = x - sc->sc_hot_x; 1167 yy = y - sc->sc_hot_y; 1168 1169 if (xx < 0) xx = abs(xx) | 0x800; 1170 if (yy < 0) yy = abs(yy) | 0x800; 1171 1172 val = (xx & 0xffff) | (yy << 16); 1173 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val); 1174 1175 return 0; 1176 } 1177 1178 static int 1179 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1180 { 1181 /* do nothing for now */ 1182 return 0; 1183 } 1184 1185 static int 1186 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1187 { 1188 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1189 1190 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1191 SM502_PANEL_CRSR_ADDR, 1192 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0)); 1193 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 1194 } 1195 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1196 1197 sc->sc_hot_x = cur->hot.x; 1198 sc->sc_hot_y = cur->hot.y; 1199 } 1200 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1201 1202 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y); 1203 } 1204 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1205 int i, idx; 1206 uint32_t val; 1207 1208 for (i = 0; i < cur->cmap.count; i++) { 1209 val = ((cur->cmap.red[i] & 0xf8) << 8) | 1210 ((cur->cmap.green[i] & 0xfc) << 3) | 1211 ((cur->cmap.blue[i] & 0xf8) >> 3); 1212 idx = i + cur->cmap.index; 1213 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1214 SM502_PANEL_CRSR_COL12 + (idx << 1), 1215 val); 1216 /* 1217 * if userland doesn't try to set the 3rd colour we 1218 * assume it expects an X11-style 2 colour cursor 1219 * X should be our main user anyway 1220 */ 1221 if ((idx == 1) && 1222 ((cur->cmap.count + cur->cmap.index) < 3)) { 1223 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1224 SM502_PANEL_CRSR_COL3, 1225 val); 1226 } 1227 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index, val); 1228 } 1229 } 1230 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1231 1232 int i, j, cnt = 0; 1233 uint32_t latch = 0, omask; 1234 uint8_t imask; 1235 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y); 1236 for (i = 0; i < 256; i++) { 1237 omask = 0x00000001; 1238 imask = 0x01; 1239 cur->image[cnt] &= cur->mask[cnt]; 1240 for (j = 0; j < 8; j++) { 1241 if (cur->mask[cnt] & imask) 1242 latch |= omask; 1243 omask <<= 1; 1244 if (cur->image[cnt] & imask) 1245 latch |= omask; 1246 omask <<= 1; 1247 imask <<= 1; 1248 } 1249 cnt++; 1250 imask = 0x01; 1251 cur->image[cnt] &= cur->mask[cnt]; 1252 for (j = 0; j < 8; j++) { 1253 if (cur->mask[cnt] & imask) 1254 latch |= omask; 1255 omask <<= 1; 1256 if (cur->image[cnt] & imask) 1257 latch |= omask; 1258 omask <<= 1; 1259 imask <<= 1; 1260 } 1261 cnt++; 1262 sc->sc_cursor[i] = latch; 1263 latch = 0; 1264 } 1265 } 1266 return 0; 1267 } 1268
Indexes created Tue Sep 30 17:09:57 GMT 2025