voyagerfb.c revision 1.16
1 /* $NetBSD: voyagerfb.c,v 1.16 2012/01/11 16:07:29 macallan 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 1.16 2012/01/11 16:07:29 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 <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 62 #include "opt_voyagerfb.h" 63 64 #ifdef VOYAGERFB_DEBUG 65 #define DPRINTF aprint_error 66 #else 67 #define DPRINTF while (0) printf 68 #endif 69 70 /* there are probably gdium-specific */ 71 #define GPIO_BACKLIGHT 0x20000000 72 73 struct voyagerfb_softc { 74 device_t sc_dev; 75 76 pci_chipset_tag_t sc_pc; 77 pcitag_t sc_pcitag; 78 bus_space_tag_t sc_memt; 79 80 bus_space_handle_t sc_fbh; 81 bus_space_handle_t sc_regh; 82 bus_addr_t sc_fb, sc_reg; 83 bus_size_t sc_fbsize, sc_regsize; 84 85 int sc_width, sc_height, sc_depth, sc_stride; 86 int sc_locked; 87 void *sc_fbaddr; 88 struct vcons_screen sc_console_screen; 89 struct wsscreen_descr sc_defaultscreen_descr; 90 const struct wsscreen_descr *sc_screens[1]; 91 struct wsscreen_list sc_screenlist; 92 struct vcons_data vd; 93 uint8_t *sc_dataport; 94 int sc_mode; 95 int sc_bl_on, sc_bl_level; 96 void *sc_gpio_cookie; 97 98 /* cursor stuff */ 99 int sc_cur_x; 100 int sc_cur_y; 101 int sc_hot_x; 102 int sc_hot_y; 103 uint32_t sc_cursor_addr; 104 uint32_t *sc_cursor; 105 106 /* colour map */ 107 u_char sc_cmap_red[256]; 108 u_char sc_cmap_green[256]; 109 u_char sc_cmap_blue[256]; 110 }; 111 112 static int voyagerfb_match(device_t, cfdata_t, void *); 113 static void voyagerfb_attach(device_t, device_t, void *); 114 115 CFATTACH_DECL_NEW(voyagerfb, sizeof(struct voyagerfb_softc), 116 voyagerfb_match, voyagerfb_attach, NULL, NULL); 117 118 extern const u_char rasops_cmap[768]; 119 120 static int voyagerfb_ioctl(void *, void *, u_long, void *, int, 121 struct lwp *); 122 static paddr_t voyagerfb_mmap(void *, void *, off_t, int); 123 static void voyagerfb_init_screen(void *, struct vcons_screen *, int, 124 long *); 125 126 static int voyagerfb_putcmap(struct voyagerfb_softc *, 127 struct wsdisplay_cmap *); 128 static int voyagerfb_getcmap(struct voyagerfb_softc *, 129 struct wsdisplay_cmap *); 130 static void voyagerfb_restore_palette(struct voyagerfb_softc *); 131 static int voyagerfb_putpalreg(struct voyagerfb_softc *, int, uint8_t, 132 uint8_t, uint8_t); 133 134 static void voyagerfb_init(struct voyagerfb_softc *); 135 136 static void voyagerfb_rectfill(struct voyagerfb_softc *, int, int, int, int, 137 uint32_t); 138 static void voyagerfb_bitblt(struct voyagerfb_softc *, int, int, int, int, 139 int, int, int); 140 141 static void voyagerfb_cursor(void *, int, int, int); 142 static void voyagerfb_putchar(void *, int, int, u_int, long); 143 static void voyagerfb_copycols(void *, int, int, int, int); 144 static void voyagerfb_erasecols(void *, int, int, int, long); 145 static void voyagerfb_copyrows(void *, int, int, int); 146 static void voyagerfb_eraserows(void *, int, int, long); 147 148 static int voyagerfb_set_curpos(struct voyagerfb_softc *, int, int); 149 static int voyagerfb_gcursor(struct voyagerfb_softc *, struct wsdisplay_cursor *); 150 static int voyagerfb_scursor(struct voyagerfb_softc *, struct wsdisplay_cursor *); 151 152 struct wsdisplay_accessops voyagerfb_accessops = { 153 voyagerfb_ioctl, 154 voyagerfb_mmap, 155 NULL, /* alloc_screen */ 156 NULL, /* free_screen */ 157 NULL, /* show_screen */ 158 NULL, /* load_font */ 159 NULL, /* pollc */ 160 NULL /* scroll */ 161 }; 162 163 static void voyagerfb_setup_backlight(struct voyagerfb_softc *); 164 static void voyagerfb_brightness_up(device_t); 165 static void voyagerfb_brightness_down(device_t); 166 /* set backlight level */ 167 static void voyagerfb_set_backlight(struct voyagerfb_softc *, int); 168 /* turn backlight on and off without messing with the level */ 169 static void voyagerfb_switch_backlight(struct voyagerfb_softc *, int); 170 171 /* wait for FIFO empty so we can feed it another command */ 172 static inline void 173 voyagerfb_ready(struct voyagerfb_softc *sc) 174 { 175 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 176 SM502_SYSTEM_CTRL) & SM502_SYSCTL_FIFO_EMPTY) == 0); 177 } 178 179 /* wait for the drawing engine to be idle */ 180 static inline void 181 voyagerfb_wait(struct voyagerfb_softc *sc) 182 { 183 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 184 SM502_SYSTEM_CTRL) & SM502_SYSCTL_ENGINE_BUSY) != 0); 185 } 186 187 static int 188 voyagerfb_match(device_t parent, cfdata_t match, void *aux) 189 { 190 struct voyager_attach_args *vaa = (struct voyager_attach_args *)aux; 191 192 if (strcmp(vaa->vaa_name, "voyagerfb") == 0) return 100; 193 return 0; 194 } 195 196 static void 197 voyagerfb_attach(device_t parent, device_t self, void *aux) 198 { 199 struct voyagerfb_softc *sc = device_private(self); 200 struct voyager_attach_args *vaa = aux; 201 struct rasops_info *ri; 202 struct wsemuldisplaydev_attach_args aa; 203 prop_dictionary_t dict; 204 unsigned long defattr; 205 bool is_console; 206 int i, j; 207 208 sc->sc_pc = vaa->vaa_pc; 209 sc->sc_pcitag = vaa->vaa_pcitag; 210 sc->sc_memt = vaa->vaa_tag; 211 sc->sc_dev = self; 212 213 aprint_normal("\n"); 214 215 dict = device_properties(self); 216 prop_dictionary_get_bool(dict, "is_console", &is_console); 217 218 sc->sc_fb = vaa->vaa_mem_pa; 219 sc->sc_fbh = vaa->vaa_memh; 220 sc->sc_fbsize = 16 * 1024 * 1024; 221 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 222 223 sc->sc_reg = vaa->vaa_reg_pa; 224 sc->sc_regh = vaa->vaa_regh; 225 sc->sc_regsize = 2 * 1024 * 1024; 226 sc->sc_dataport = bus_space_vaddr(sc->sc_memt, sc->sc_regh); 227 sc->sc_dataport += SM502_DATAPORT; 228 229 sc->sc_width = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 230 SM502_PANEL_FB_WIDTH) & SM502_FBW_WIN_WIDTH_MASK) >> 16; 231 sc->sc_height = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 232 SM502_PANEL_FB_HEIGHT) & SM502_FBH_WIN_HEIGHT_MASK) >> 16; 233 234 #ifdef VOYAGERFB_ANTIALIAS 235 sc->sc_depth = 32; 236 #else 237 sc->sc_depth = 8; 238 #endif 239 240 /* init engine here */ 241 voyagerfb_init(sc); 242 243 printf("%s: %d x %d, %d bit, stride %d\n", device_xname(self), 244 sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride); 245 246 /* 247 * XXX yeah, casting the fb address to uint32_t is formally wrong 248 * but as far as I know there are no SM502 with 64bit BARs 249 */ 250 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 251 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 252 253 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 254 "default", 255 0, 0, 256 NULL, 257 8, 16, 258 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 259 NULL 260 }; 261 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 262 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 263 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 264 sc->sc_locked = 0; 265 266 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 267 &voyagerfb_accessops); 268 sc->vd.init_screen = voyagerfb_init_screen; 269 270 /* backlight control */ 271 sc->sc_gpio_cookie = device_private(parent); 272 voyagerfb_setup_backlight(sc); 273 274 ri = &sc->sc_console_screen.scr_ri; 275 276 if (is_console) { 277 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 278 &defattr); 279 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 280 281 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 282 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 283 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 284 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 285 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 286 defattr); 287 } else { 288 /* 289 * since we're not the console we can postpone the rest 290 * until someone actually allocates a screen for us 291 */ 292 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 293 } 294 295 j = 0; 296 if (sc->sc_depth <= 8) { 297 for (i = 0; i < (1 << sc->sc_depth); i++) { 298 299 sc->sc_cmap_red[i] = rasops_cmap[j]; 300 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 301 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 302 voyagerfb_putpalreg(sc, i, rasops_cmap[j], 303 rasops_cmap[j + 1], rasops_cmap[j + 2]); 304 j += 3; 305 } 306 } 307 308 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 309 ri->ri_devcmap[(defattr >> 16) & 0xff]); 310 311 if (is_console) 312 vcons_replay_msgbuf(&sc->sc_console_screen); 313 314 aa.console = is_console; 315 aa.scrdata = &sc->sc_screenlist; 316 aa.accessops = &voyagerfb_accessops; 317 aa.accesscookie = &sc->vd; 318 319 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 320 } 321 322 static int 323 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 324 struct lwp *l) 325 { 326 struct vcons_data *vd = v; 327 struct voyagerfb_softc *sc = vd->cookie; 328 struct wsdisplay_fbinfo *wdf; 329 struct vcons_screen *ms = vd->active; 330 struct wsdisplay_param *param; 331 332 switch (cmd) { 333 case WSDISPLAYIO_GTYPE: 334 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 335 return 0; 336 337 /* PCI config read/write passthrough. */ 338 case PCI_IOC_CFGREAD: 339 case PCI_IOC_CFGWRITE: 340 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 341 cmd, data, flag, l); 342 343 case WSDISPLAYIO_GET_BUSID: 344 return wsdisplayio_busid_pci(device_parent(sc->sc_dev), 345 sc->sc_pc, sc->sc_pcitag, data); 346 347 case WSDISPLAYIO_GINFO: 348 if (ms == NULL) 349 return ENODEV; 350 wdf = (void *)data; 351 wdf->height = ms->scr_ri.ri_height; 352 wdf->width = ms->scr_ri.ri_width; 353 wdf->depth = 32; 354 wdf->cmsize = 256; 355 return 0; 356 357 case WSDISPLAYIO_GETCMAP: 358 return voyagerfb_getcmap(sc, 359 (struct wsdisplay_cmap *)data); 360 361 case WSDISPLAYIO_PUTCMAP: 362 return voyagerfb_putcmap(sc, 363 (struct wsdisplay_cmap *)data); 364 365 case WSDISPLAYIO_LINEBYTES: 366 *(u_int *)data = sc->sc_stride; 367 return 0; 368 369 case WSDISPLAYIO_SMODE: { 370 int new_mode = *(int*)data; 371 if (new_mode != sc->sc_mode) { 372 sc->sc_mode = new_mode; 373 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 374 #ifdef VOYAGERFB_ANTIALIAS 375 sc->sc_depth = 32; 376 #else 377 sc->sc_depth = 8; 378 #endif 379 voyagerfb_init(sc); 380 voyagerfb_restore_palette(sc); 381 vcons_redraw_screen(ms); 382 } else { 383 sc->sc_depth = 32; 384 voyagerfb_init(sc); 385 } 386 } 387 } 388 return 0; 389 390 case WSDISPLAYIO_GVIDEO: 391 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON : 392 WSDISPLAYIO_VIDEO_OFF; 393 return 0; 394 395 case WSDISPLAYIO_SVIDEO: { 396 int new_bl = *(int *)data; 397 398 voyagerfb_switch_backlight(sc, new_bl); 399 } 400 return 0; 401 402 case WSDISPLAYIO_GETPARAM: 403 param = (struct wsdisplay_param *)data; 404 switch (param->param) { 405 case WSDISPLAYIO_PARAM_BRIGHTNESS: 406 param->min = 0; 407 param->max = 255; 408 param->curval = sc->sc_bl_level; 409 return 0; 410 case WSDISPLAYIO_PARAM_BACKLIGHT: 411 param->min = 0; 412 param->max = 1; 413 param->curval = sc->sc_bl_on; 414 return 0; 415 } 416 return EPASSTHROUGH; 417 418 case WSDISPLAYIO_SETPARAM: 419 param = (struct wsdisplay_param *)data; 420 switch (param->param) { 421 case WSDISPLAYIO_PARAM_BRIGHTNESS: 422 voyagerfb_set_backlight(sc, param->curval); 423 return 0; 424 case WSDISPLAYIO_PARAM_BACKLIGHT: 425 voyagerfb_switch_backlight(sc, param->curval); 426 return 0; 427 } 428 return EPASSTHROUGH; 429 430 case WSDISPLAYIO_GCURPOS: 431 { 432 struct wsdisplay_curpos *pos; 433 434 pos = (struct wsdisplay_curpos *)data; 435 pos->x = sc->sc_cur_x; 436 pos->y = sc->sc_cur_y; 437 } 438 return 0; 439 440 case WSDISPLAYIO_SCURPOS: 441 { 442 struct wsdisplay_curpos *pos; 443 444 pos = (struct wsdisplay_curpos *)data; 445 voyagerfb_set_curpos(sc, pos->x, pos->y); 446 } 447 return 0; 448 449 case WSDISPLAYIO_GCURMAX: 450 { 451 struct wsdisplay_curpos *pos; 452 453 pos = (struct wsdisplay_curpos *)data; 454 pos->x = 64; 455 pos->y = 64; 456 } 457 return 0; 458 459 case WSDISPLAYIO_GCURSOR: 460 { 461 struct wsdisplay_cursor *cu; 462 463 cu = (struct wsdisplay_cursor *)data; 464 return voyagerfb_gcursor(sc, cu); 465 } 466 467 case WSDISPLAYIO_SCURSOR: 468 { 469 struct wsdisplay_cursor *cu; 470 471 cu = (struct wsdisplay_cursor *)data; 472 return voyagerfb_scursor(sc, cu); 473 } 474 } 475 return EPASSTHROUGH; 476 } 477 478 static paddr_t 479 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot) 480 { 481 struct vcons_data *vd = v; 482 struct voyagerfb_softc *sc = vd->cookie; 483 paddr_t pa; 484 485 /* 'regular' framebuffer mmap()ing */ 486 if (offset < sc->sc_fbsize) { 487 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 488 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 489 return pa; 490 } 491 492 /* 493 * restrict all other mappings to processes with superuser privileges 494 * or the kernel itself 495 */ 496 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 497 NULL) != 0) { 498 aprint_normal("%s: mmap() rejected.\n", 499 device_xname(sc->sc_dev)); 500 return -1; 501 } 502 503 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 504 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 505 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 506 return pa; 507 } 508 509 if ((offset >= sc->sc_reg) && 510 (offset < (sc->sc_reg + sc->sc_regsize))) { 511 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0); 512 return pa; 513 } 514 515 return -1; 516 } 517 518 static void 519 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr, 520 int existing, long *defattr) 521 { 522 struct voyagerfb_softc *sc = cookie; 523 struct rasops_info *ri = &scr->scr_ri; 524 525 ri->ri_depth = sc->sc_depth; 526 ri->ri_width = sc->sc_width; 527 ri->ri_height = sc->sc_height; 528 ri->ri_stride = sc->sc_stride; 529 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 530 531 ri->ri_bits = (char *)sc->sc_fbaddr; 532 533 if (existing) { 534 ri->ri_flg |= RI_CLEAR; 535 } 536 #ifdef VOYAGERFB_ANTIALIAS 537 ri->ri_flg |= RI_ENABLE_ALPHA; 538 #endif 539 540 rasops_init(ri, 0, 0); 541 ri->ri_caps = WSSCREEN_WSCOLORS; 542 543 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 544 sc->sc_width / ri->ri_font->fontwidth); 545 546 ri->ri_hw = scr; 547 ri->ri_ops.copyrows = voyagerfb_copyrows; 548 ri->ri_ops.copycols = voyagerfb_copycols; 549 ri->ri_ops.eraserows = voyagerfb_eraserows; 550 ri->ri_ops.erasecols = voyagerfb_erasecols; 551 ri->ri_ops.cursor = voyagerfb_cursor; 552 ri->ri_ops.putchar = voyagerfb_putchar; 553 } 554 555 static int 556 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 557 { 558 u_char *r, *g, *b; 559 u_int index = cm->index; 560 u_int count = cm->count; 561 int i, error; 562 u_char rbuf[256], gbuf[256], bbuf[256]; 563 564 #ifdef VOYAGERFB_DEBUG 565 aprint_debug("putcmap: %d %d\n",index, count); 566 #endif 567 if (cm->index >= 256 || cm->count > 256 || 568 (cm->index + cm->count) > 256) 569 return EINVAL; 570 error = copyin(cm->red, &rbuf[index], count); 571 if (error) 572 return error; 573 error = copyin(cm->green, &gbuf[index], count); 574 if (error) 575 return error; 576 error = copyin(cm->blue, &bbuf[index], count); 577 if (error) 578 return error; 579 580 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 581 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 582 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 583 584 r = &sc->sc_cmap_red[index]; 585 g = &sc->sc_cmap_green[index]; 586 b = &sc->sc_cmap_blue[index]; 587 588 for (i = 0; i < count; i++) { 589 voyagerfb_putpalreg(sc, index, *r, *g, *b); 590 index++; 591 r++, g++, b++; 592 } 593 return 0; 594 } 595 596 static int 597 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 598 { 599 u_int index = cm->index; 600 u_int count = cm->count; 601 int error; 602 603 if (index >= 255 || count > 256 || index + count > 256) 604 return EINVAL; 605 606 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 607 if (error) 608 return error; 609 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 610 if (error) 611 return error; 612 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 613 if (error) 614 return error; 615 616 return 0; 617 } 618 619 static void 620 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 621 { 622 int i; 623 624 for (i = 0; i < (1 << sc->sc_depth); i++) { 625 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 626 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 627 } 628 } 629 630 static int 631 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 632 uint8_t g, uint8_t b) 633 { 634 uint32_t reg; 635 636 reg = (r << 16) | (g << 8) | b; 637 /* XXX we should probably write the CRT palette too */ 638 bus_space_write_4(sc->sc_memt, sc->sc_regh, 639 SM502_PALETTE_PANEL + (idx << 2), reg); 640 return 0; 641 } 642 643 static void 644 voyagerfb_init(struct voyagerfb_softc *sc) 645 { 646 int reg; 647 648 voyagerfb_wait(sc); 649 /* disable colour compare */ 650 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 651 /* allow writes to all planes */ 652 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 653 0xffffffff); 654 /* disable clipping */ 655 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 656 /* source and destination in local memory, no offset */ 657 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 658 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 659 /* pitch is screen stride */ 660 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 661 sc->sc_width | (sc->sc_width << 16)); 662 /* window is screen width */ 663 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 664 sc->sc_width | (sc->sc_width << 16)); 665 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 666 reg &= ~SM502_PDC_DEPTH_MASK; 667 668 switch (sc->sc_depth) { 669 case 8: 670 bus_space_write_4(sc->sc_memt, sc->sc_regh, 671 SM502_STRETCH, SM502_STRETCH_8BIT); 672 sc->sc_stride = sc->sc_width; 673 reg |= SM502_PDC_8BIT; 674 break; 675 case 16: 676 bus_space_write_4(sc->sc_memt, sc->sc_regh, 677 SM502_STRETCH, SM502_STRETCH_16BIT); 678 sc->sc_stride = sc->sc_width << 1; 679 reg |= SM502_PDC_16BIT; 680 break; 681 case 24: 682 case 32: 683 bus_space_write_4(sc->sc_memt, sc->sc_regh, 684 SM502_STRETCH, SM502_STRETCH_32BIT); 685 sc->sc_stride = sc->sc_width << 2; 686 reg |= SM502_PDC_32BIT; 687 break; 688 } 689 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 690 (sc->sc_stride << 16) | sc->sc_stride); 691 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 692 reg); 693 694 /* put the cursor at the end of video memory */ 695 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */ 696 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 697 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, sc->sc_fbh) 698 + sc->sc_cursor_addr); 699 #ifdef VOYAGERFB_DEBUG 700 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 0x00100010); 701 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 0x0000ffff); 702 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 0x0000f800); 703 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 704 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 705 sc->sc_cursor[0] = 0x00000000; 706 sc->sc_cursor[1] = 0x00000000; 707 sc->sc_cursor[2] = 0xffffffff; 708 sc->sc_cursor[3] = 0xffffffff; 709 sc->sc_cursor[4] = 0xaaaaaaaa; 710 sc->sc_cursor[5] = 0xaaaaaaaa; 711 sc->sc_cursor[6] = 0xffffffff; 712 sc->sc_cursor[7] = 0x00000000; 713 #else 714 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 715 sc->sc_cursor_addr); 716 #endif 717 } 718 719 static void 720 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 721 uint32_t colour) 722 { 723 724 voyagerfb_ready(sc); 725 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 726 ROP_COPY | 727 SM502_CTRL_USE_ROP2 | 728 SM502_CTRL_CMD_RECTFILL | 729 SM502_CTRL_QUICKSTART_E); 730 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 731 colour); 732 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 733 (x << 16) | y); 734 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 735 (wi << 16) | he); 736 } 737 738 static void 739 voyagerfb_bitblt(struct voyagerfb_softc *sc, int xs, int ys, int xd, int yd, 740 int wi, int he, int rop) 741 { 742 uint32_t cmd; 743 744 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 745 SM502_CTRL_QUICKSTART_E; 746 747 voyagerfb_ready(sc); 748 749 if (xd <= xs) { 750 /* left to right */ 751 } else { 752 /* 753 * According to the manual this flag reverses only the blitter's 754 * X direction. At least on my Gdium it also reverses the Y 755 * direction 756 */ 757 cmd |= SM502_CTRL_R_TO_L; 758 xs += wi - 1; 759 xd += wi - 1; 760 ys += he - 1; 761 yd += he - 1; 762 } 763 764 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 765 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 766 (xs << 16) | ys); 767 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 768 (xd << 16) | yd); 769 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 770 (wi << 16) | he); 771 } 772 773 static void 774 voyagerfb_cursor(void *cookie, int on, int row, int col) 775 { 776 struct rasops_info *ri = cookie; 777 struct vcons_screen *scr = ri->ri_hw; 778 struct voyagerfb_softc *sc = scr->scr_cookie; 779 int x, y, wi, he; 780 781 wi = ri->ri_font->fontwidth; 782 he = ri->ri_font->fontheight; 783 784 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 785 x = ri->ri_ccol * wi + ri->ri_xorigin; 786 y = ri->ri_crow * he + ri->ri_yorigin; 787 if (ri->ri_flg & RI_CURSOR) { 788 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 789 ri->ri_flg &= ~RI_CURSOR; 790 } 791 ri->ri_crow = row; 792 ri->ri_ccol = col; 793 if (on) { 794 x = ri->ri_ccol * wi + ri->ri_xorigin; 795 y = ri->ri_crow * he + ri->ri_yorigin; 796 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 797 ri->ri_flg |= RI_CURSOR; 798 } 799 } else { 800 scr->scr_ri.ri_crow = row; 801 scr->scr_ri.ri_ccol = col; 802 scr->scr_ri.ri_flg &= ~RI_CURSOR; 803 } 804 805 } 806 807 static inline void 808 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 809 { 810 uint32_t *port = (uint32_t *)sc->sc_dataport; 811 int i; 812 813 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 814 *port = *data; 815 data++; 816 } 817 } 818 819 static inline void 820 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 821 { 822 uint32_t *port = (uint32_t *)sc->sc_dataport; 823 int i; 824 825 len = len << 1; 826 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 827 *port = *data; 828 data++; 829 } 830 } 831 832 833 static void 834 voyagerfb_putchar(void *cookie, int row, int col, u_int c, long attr) 835 { 836 struct rasops_info *ri = cookie; 837 struct wsdisplay_font *font = PICK_FONT(ri, c); 838 struct vcons_screen *scr = ri->ri_hw; 839 struct voyagerfb_softc *sc = scr->scr_cookie; 840 uint32_t cmd; 841 int fg, bg; 842 uint8_t *data; 843 int x, y, wi, he; 844 845 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 846 return; 847 848 if (!CHAR_IN_FONT(c, font)) 849 return; 850 851 wi = font->fontwidth; 852 he = font->fontheight; 853 854 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 855 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 856 x = ri->ri_xorigin + col * wi; 857 y = ri->ri_yorigin + row * he; 858 if (c == 0x20) { 859 voyagerfb_rectfill(sc, x, y, wi, he, bg); 860 return; 861 } 862 data = WSFONT_GLYPH(c, font); 863 if (!FONT_IS_ALPHA(font)) { 864 /* this is a mono font */ 865 cmd = ROP_COPY | 866 SM502_CTRL_USE_ROP2 | 867 SM502_CTRL_CMD_HOSTWRT | 868 SM502_CTRL_HOSTBLT_MONO | 869 SM502_CTRL_QUICKSTART_E | 870 SM502_CTRL_MONO_PACK_32BIT; 871 voyagerfb_ready(sc); 872 bus_space_write_4(sc->sc_memt, sc->sc_regh, 873 SM502_CONTROL, cmd); 874 bus_space_write_4(sc->sc_memt, sc->sc_regh, 875 SM502_FOREGROUND, fg); 876 bus_space_write_4(sc->sc_memt, sc->sc_regh, 877 SM502_BACKGROUND, bg); 878 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 879 bus_space_write_4(sc->sc_memt, sc->sc_regh, 880 SM502_DST, (x << 16) | y); 881 bus_space_write_4(sc->sc_memt, sc->sc_regh, 882 SM502_DIMENSION, (wi << 16) | he); 883 /* now feed the data, padded to 32bit */ 884 switch (ri->ri_font->stride) { 885 case 1: 886 voyagerfb_feed8(sc, data, ri->ri_fontscale); 887 break; 888 case 2: 889 voyagerfb_feed16(sc, (uint16_t *)data, 890 ri->ri_fontscale); 891 break; 892 893 } 894 } else { 895 /* 896 * alpha font 897 * we can't accelerate the actual alpha blending but 898 * we can at least use a host blit to go through the 899 * pipeline instead of having to sync the engine 900 */ 901 int i, j, r, g, b, aval, pad; 902 int rf, gf, bf, rb, gb, bb; 903 uint32_t pixel; 904 905 cmd = ROP_COPY | 906 SM502_CTRL_USE_ROP2 | 907 SM502_CTRL_CMD_HOSTWRT | 908 SM502_CTRL_QUICKSTART_E; 909 voyagerfb_ready(sc); 910 bus_space_write_4(sc->sc_memt, sc->sc_regh, 911 SM502_CONTROL, cmd); 912 bus_space_write_4(sc->sc_memt, sc->sc_regh, 913 SM502_SRC, 0); 914 bus_space_write_4(sc->sc_memt, sc->sc_regh, 915 SM502_DST, (x << 16) | y); 916 bus_space_write_4(sc->sc_memt, sc->sc_regh, 917 SM502_DIMENSION, (wi << 16) | he); 918 rf = (fg >> 16) & 0xff; 919 rb = (bg >> 16) & 0xff; 920 gf = (fg >> 8) & 0xff; 921 gb = (bg >> 8) & 0xff; 922 bf = fg & 0xff; 923 bb = bg & 0xff; 924 pad = wi & 1; 925 for (i = 0; i < he; i++) { 926 for (j = 0; j < wi; j++) { 927 aval = *data; 928 data++; 929 if (aval == 0) { 930 pixel = bg; 931 } else if (aval == 255) { 932 pixel = fg; 933 } else { 934 r = aval * rf + (255 - aval) * rb; 935 g = aval * gf + (255 - aval) * gb; 936 b = aval * bf + (255 - aval) * bb; 937 pixel = (r & 0xff00) << 8 | 938 (g & 0xff00) | 939 (b & 0xff00) >> 8; 940 } 941 bus_space_write_4(sc->sc_memt, sc->sc_regh, 942 SM502_DATAPORT, pixel); 943 } 944 if (pad) 945 bus_space_write_4(sc->sc_memt, sc->sc_regh, 946 SM502_DATAPORT, 0); 947 } 948 } 949 } 950 951 static void 952 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 953 { 954 struct rasops_info *ri = cookie; 955 struct vcons_screen *scr = ri->ri_hw; 956 struct voyagerfb_softc *sc = scr->scr_cookie; 957 int32_t xs, xd, y, width, height; 958 959 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 960 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 961 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 962 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 963 width = ri->ri_font->fontwidth * ncols; 964 height = ri->ri_font->fontheight; 965 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY); 966 } 967 } 968 969 static void 970 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols, 971 long fillattr) 972 { 973 struct rasops_info *ri = cookie; 974 struct vcons_screen *scr = ri->ri_hw; 975 struct voyagerfb_softc *sc = scr->scr_cookie; 976 int32_t x, y, width, height, fg, bg, ul; 977 978 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 979 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 980 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 981 width = ri->ri_font->fontwidth * ncols; 982 height = ri->ri_font->fontheight; 983 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 984 985 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 986 } 987 } 988 989 static void 990 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 991 { 992 struct rasops_info *ri = cookie; 993 struct vcons_screen *scr = ri->ri_hw; 994 struct voyagerfb_softc *sc = scr->scr_cookie; 995 int32_t x, ys, yd, width, height; 996 int i; 997 998 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 999 x = ri->ri_xorigin; 1000 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1001 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1002 width = ri->ri_emuwidth; 1003 height = ri->ri_font->fontheight * nrows; 1004 if ((nrows > 1) && (dstrow > srcrow)) { 1005 /* 1006 * the blitter can't do bottom-up copies so we have 1007 * to copy line by line here 1008 * should probably use a command sequence 1009 */ 1010 ys += (height - ri->ri_font->fontheight); 1011 yd += (height - ri->ri_font->fontheight); 1012 for (i = 0; i < nrows; i++) { 1013 voyagerfb_bitblt(sc, x, ys, x, yd, width, 1014 ri->ri_font->fontheight, ROP_COPY); 1015 ys -= ri->ri_font->fontheight; 1016 yd -= ri->ri_font->fontheight; 1017 } 1018 } else 1019 voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 1020 ROP_COPY); 1021 } 1022 } 1023 1024 static void 1025 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr) 1026 { 1027 struct rasops_info *ri = cookie; 1028 struct vcons_screen *scr = ri->ri_hw; 1029 struct voyagerfb_softc *sc = scr->scr_cookie; 1030 int32_t x, y, width, height, fg, bg, ul; 1031 1032 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1033 x = ri->ri_xorigin; 1034 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1035 width = ri->ri_emuwidth; 1036 height = ri->ri_font->fontheight * nrows; 1037 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1038 1039 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1040 } 1041 } 1042 1043 /* backlight control */ 1044 static void 1045 voyagerfb_setup_backlight(struct voyagerfb_softc *sc) 1046 { 1047 /* switch the pin to gpio mode if it isn't already */ 1048 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1049 /* turn it on */ 1050 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1051 sc->sc_bl_on = 1; 1052 sc->sc_bl_level = 255; 1053 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 1054 voyagerfb_brightness_up, TRUE); 1055 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 1056 voyagerfb_brightness_down, TRUE); 1057 } 1058 1059 static void 1060 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level) 1061 { 1062 1063 /* 1064 * should we do nothing when backlight is off, should we just store the 1065 * level and use it when turning back on or should we just flip sc_bl_on 1066 * and turn the backlight on? 1067 * For now turn it on so a crashed screensaver can't get the user stuck 1068 * with a dark screen as long as hotkeys work 1069 */ 1070 if (level > 255) level = 255; 1071 if (level < 0) level = 0; 1072 if (level == sc->sc_bl_level) 1073 return; 1074 sc->sc_bl_level = level; 1075 if (sc->sc_bl_on == 0) 1076 sc->sc_bl_on = 1; 1077 /* and here we would actually muck with the hardware */ 1078 if ((level == 0) || (level == 255)) { 1079 /* in these cases bypass the PWM and use the gpio */ 1080 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1081 if (level == 0) { 1082 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1083 } else { 1084 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1085 } 1086 } else { 1087 uint32_t pwm; 1088 1089 pwm = voyager_set_pwm(20000, level * 1000 / 256); 1090 pwm |= SM502_PWM_ENABLE; 1091 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm); 1092 1093 /* let the PWM take over */ 1094 voyager_control_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1095 } 1096 } 1097 1098 static void 1099 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on) 1100 { 1101 1102 if (on == sc->sc_bl_on) 1103 return; 1104 sc->sc_bl_on = on; 1105 if (on) { 1106 int level = sc->sc_bl_level; 1107 1108 sc->sc_bl_level = -1; 1109 voyagerfb_set_backlight(sc, level); 1110 } else { 1111 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1112 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1113 } 1114 } 1115 1116 1117 static void 1118 voyagerfb_brightness_up(device_t dev) 1119 { 1120 struct voyagerfb_softc *sc = device_private(dev); 1121 1122 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8); 1123 } 1124 1125 static void 1126 voyagerfb_brightness_down(device_t dev) 1127 { 1128 struct voyagerfb_softc *sc = device_private(dev); 1129 1130 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8); 1131 } 1132 1133 static int 1134 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y) 1135 { 1136 uint32_t val; 1137 int xx, yy; 1138 1139 sc->sc_cur_x = x; 1140 sc->sc_cur_y = y; 1141 1142 xx = x - sc->sc_hot_x; 1143 yy = y - sc->sc_hot_y; 1144 1145 if (xx < 0) xx = abs(xx) | 0x800; 1146 if (yy < 0) yy = abs(yy) | 0x800; 1147 1148 val = (xx & 0xffff) | (yy << 16); 1149 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val); 1150 1151 return 0; 1152 } 1153 1154 static int 1155 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1156 { 1157 /* do nothing for now */ 1158 return 0; 1159 } 1160 1161 static int 1162 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1163 { 1164 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1165 1166 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1167 SM502_PANEL_CRSR_ADDR, 1168 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0)); 1169 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 1170 } 1171 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1172 1173 sc->sc_hot_x = cur->hot.x; 1174 sc->sc_hot_y = cur->hot.y; 1175 } 1176 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1177 1178 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y); 1179 } 1180 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1181 int i, idx; 1182 uint32_t val; 1183 1184 for (i = 0; i < cur->cmap.count; i++) { 1185 val = ((cur->cmap.red[i] & 0xf8) << 8) | 1186 ((cur->cmap.green[i] & 0xfc) << 3) | 1187 ((cur->cmap.blue[i] & 0xf8) >> 3); 1188 idx = i + cur->cmap.index; 1189 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1190 SM502_PANEL_CRSR_COL12 + (idx << 1), 1191 val); 1192 /* 1193 * if userland doesn't try to set the 3rd colour we 1194 * assume it expects an X11-style 2 colour cursor 1195 * X should be our main user anyway 1196 */ 1197 if ((idx == 1) && 1198 ((cur->cmap.count + cur->cmap.index) < 3)) { 1199 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1200 SM502_PANEL_CRSR_COL3, 1201 val); 1202 } 1203 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index, val); 1204 } 1205 } 1206 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1207 1208 int i, j, cnt = 0; 1209 uint32_t latch = 0, omask; 1210 uint8_t imask; 1211 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y); 1212 for (i = 0; i < 256; i++) { 1213 omask = 0x00000001; 1214 imask = 0x01; 1215 cur->image[cnt] &= cur->mask[cnt]; 1216 for (j = 0; j < 8; j++) { 1217 if (cur->mask[cnt] & imask) 1218 latch |= omask; 1219 omask <<= 1; 1220 if (cur->image[cnt] & imask) 1221 latch |= omask; 1222 omask <<= 1; 1223 imask <<= 1; 1224 } 1225 cnt++; 1226 imask = 0x01; 1227 cur->image[cnt] &= cur->mask[cnt]; 1228 for (j = 0; j < 8; j++) { 1229 if (cur->mask[cnt] & imask) 1230 latch |= omask; 1231 omask <<= 1; 1232 if (cur->image[cnt] & imask) 1233 latch |= omask; 1234 omask <<= 1; 1235 imask <<= 1; 1236 } 1237 cnt++; 1238 sc->sc_cursor[i] = latch; 1239 latch = 0; 1240 } 1241 } 1242 return 0; 1243 } 1244
Indexes created Tue Sep 30 11:09:46 GMT 2025