voyagerfb.c revision 1.11
1 /* $NetBSD: voyagerfb.c,v 1.11 2011/12/22 07:32:33 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 1.11 2011/12/22 07:32:33 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 uint32_t reg; 206 bool is_console; 207 int i, j; 208 209 sc->sc_pc = vaa->vaa_pc; 210 sc->sc_pcitag = vaa->vaa_pcitag; 211 sc->sc_memt = vaa->vaa_tag; 212 sc->sc_dev = self; 213 214 aprint_normal("\n"); 215 216 dict = device_properties(self); 217 prop_dictionary_get_bool(dict, "is_console", &is_console); 218 219 sc->sc_fb = vaa->vaa_mem_pa; 220 sc->sc_fbh = vaa->vaa_memh; 221 sc->sc_fbsize = 16 * 1024 * 1024; 222 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 223 224 sc->sc_reg = vaa->vaa_reg_pa; 225 sc->sc_regh = vaa->vaa_regh; 226 sc->sc_regsize = 2 * 1024 * 1024; 227 sc->sc_dataport = bus_space_vaddr(sc->sc_memt, sc->sc_regh); 228 sc->sc_dataport += SM502_DATAPORT; 229 230 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 231 switch (reg & SM502_PDC_DEPTH_MASK) { 232 case SM502_PDC_8BIT: 233 sc->sc_depth = 8; 234 break; 235 case SM502_PDC_16BIT: 236 sc->sc_depth = 16; 237 break; 238 case SM502_PDC_32BIT: 239 sc->sc_depth = 24; 240 break; 241 default: 242 panic("%s: unsupported depth", device_xname(self)); 243 } 244 sc->sc_stride = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 245 SM502_PANEL_FB_OFFSET) & SM502_FBA_WIN_STRIDE_MASK) >> 16; 246 sc->sc_width = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 247 SM502_PANEL_FB_WIDTH) & SM502_FBW_WIN_WIDTH_MASK) >> 16; 248 sc->sc_height = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 249 SM502_PANEL_FB_HEIGHT) & SM502_FBH_WIN_HEIGHT_MASK) >> 16; 250 251 printf("%s: %d x %d, %d bit, stride %d\n", device_xname(self), 252 sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride); 253 /* 254 * XXX yeah, casting the fb address to uint32_t is formally wrong 255 * but as far as I know there are no SM502 with 64bit BARs 256 */ 257 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 258 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 259 260 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 261 "default", 262 0, 0, 263 NULL, 264 8, 16, 265 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 266 NULL 267 }; 268 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 269 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 270 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 271 sc->sc_locked = 0; 272 273 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 274 &voyagerfb_accessops); 275 sc->vd.init_screen = voyagerfb_init_screen; 276 277 /* backlight control */ 278 sc->sc_gpio_cookie = device_private(parent); 279 voyagerfb_setup_backlight(sc); 280 281 #ifdef VOYAGERFB_ANTIALIAS 282 sc->sc_depth = 32; 283 #else 284 sc->sc_depth = 8; 285 #endif 286 287 /* init engine here */ 288 voyagerfb_init(sc); 289 290 ri = &sc->sc_console_screen.scr_ri; 291 292 if (is_console) { 293 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 294 &defattr); 295 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 296 297 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 298 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 299 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 300 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 301 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 302 defattr); 303 } else { 304 /* 305 * since we're not the console we can postpone the rest 306 * until someone actually allocates a screen for us 307 */ 308 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 309 } 310 311 j = 0; 312 if (sc->sc_depth <= 8) { 313 for (i = 0; i < (1 << sc->sc_depth); i++) { 314 315 sc->sc_cmap_red[i] = rasops_cmap[j]; 316 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 317 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 318 voyagerfb_putpalreg(sc, i, rasops_cmap[j], 319 rasops_cmap[j + 1], rasops_cmap[j + 2]); 320 j += 3; 321 } 322 } 323 324 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 325 ri->ri_devcmap[(defattr >> 16) & 0xff]); 326 327 if (is_console) 328 vcons_replay_msgbuf(&sc->sc_console_screen); 329 330 aa.console = is_console; 331 aa.scrdata = &sc->sc_screenlist; 332 aa.accessops = &voyagerfb_accessops; 333 aa.accesscookie = &sc->vd; 334 335 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 336 } 337 338 static int 339 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 340 struct lwp *l) 341 { 342 struct vcons_data *vd = v; 343 struct voyagerfb_softc *sc = vd->cookie; 344 struct wsdisplay_fbinfo *wdf; 345 struct vcons_screen *ms = vd->active; 346 struct wsdisplay_param *param; 347 348 switch (cmd) { 349 case WSDISPLAYIO_GTYPE: 350 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 351 return 0; 352 353 /* PCI config read/write passthrough. */ 354 case PCI_IOC_CFGREAD: 355 case PCI_IOC_CFGWRITE: 356 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 357 cmd, data, flag, l); 358 359 case WSDISPLAYIO_GET_BUSID: 360 return wsdisplayio_busid_pci(device_parent(sc->sc_dev), 361 sc->sc_pc, sc->sc_pcitag, data); 362 363 case WSDISPLAYIO_GINFO: 364 if (ms == NULL) 365 return ENODEV; 366 wdf = (void *)data; 367 wdf->height = ms->scr_ri.ri_height; 368 wdf->width = ms->scr_ri.ri_width; 369 wdf->depth = 32; 370 wdf->cmsize = 256; 371 return 0; 372 373 case WSDISPLAYIO_GETCMAP: 374 return voyagerfb_getcmap(sc, 375 (struct wsdisplay_cmap *)data); 376 377 case WSDISPLAYIO_PUTCMAP: 378 return voyagerfb_putcmap(sc, 379 (struct wsdisplay_cmap *)data); 380 381 case WSDISPLAYIO_LINEBYTES: 382 *(u_int *)data = sc->sc_stride; 383 return 0; 384 385 case WSDISPLAYIO_SMODE: { 386 int new_mode = *(int*)data; 387 if (new_mode != sc->sc_mode) { 388 sc->sc_mode = new_mode; 389 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 390 #ifdef VOYAGERFB_ANTIALIAS 391 sc->sc_depth = 32; 392 #else 393 sc->sc_depth = 8; 394 #endif 395 voyagerfb_init(sc); 396 voyagerfb_restore_palette(sc); 397 vcons_redraw_screen(ms); 398 } else { 399 sc->sc_depth = 32; 400 voyagerfb_init(sc); 401 } 402 } 403 } 404 return 0; 405 406 case WSDISPLAYIO_GVIDEO: 407 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON : 408 WSDISPLAYIO_VIDEO_OFF; 409 return 0; 410 411 case WSDISPLAYIO_SVIDEO: { 412 int new_bl = *(int *)data; 413 414 voyagerfb_switch_backlight(sc, new_bl); 415 } 416 return 0; 417 418 case WSDISPLAYIO_GETPARAM: 419 param = (struct wsdisplay_param *)data; 420 switch (param->param) { 421 case WSDISPLAYIO_PARAM_BRIGHTNESS: 422 param->min = 0; 423 param->max = 255; 424 param->curval = sc->sc_bl_level; 425 return 0; 426 case WSDISPLAYIO_PARAM_BACKLIGHT: 427 param->min = 0; 428 param->max = 1; 429 param->curval = sc->sc_bl_on; 430 return 0; 431 } 432 return EPASSTHROUGH; 433 434 case WSDISPLAYIO_SETPARAM: 435 param = (struct wsdisplay_param *)data; 436 switch (param->param) { 437 case WSDISPLAYIO_PARAM_BRIGHTNESS: 438 voyagerfb_set_backlight(sc, param->curval); 439 return 0; 440 case WSDISPLAYIO_PARAM_BACKLIGHT: 441 voyagerfb_switch_backlight(sc, param->curval); 442 return 0; 443 } 444 return EPASSTHROUGH; 445 446 case WSDISPLAYIO_GCURPOS: 447 { 448 struct wsdisplay_curpos *pos; 449 450 pos = (struct wsdisplay_curpos *)data; 451 pos->x = sc->sc_cur_x; 452 pos->y = sc->sc_cur_y; 453 } 454 return 0; 455 456 case WSDISPLAYIO_SCURPOS: 457 { 458 struct wsdisplay_curpos *pos; 459 460 pos = (struct wsdisplay_curpos *)data; 461 voyagerfb_set_curpos(sc, pos->x, pos->y); 462 } 463 return 0; 464 465 case WSDISPLAYIO_GCURMAX: 466 { 467 struct wsdisplay_curpos *pos; 468 469 pos = (struct wsdisplay_curpos *)data; 470 pos->x = 64; 471 pos->y = 64; 472 } 473 return 0; 474 475 case WSDISPLAYIO_GCURSOR: 476 { 477 struct wsdisplay_cursor *cu; 478 479 cu = (struct wsdisplay_cursor *)data; 480 return voyagerfb_gcursor(sc, cu); 481 } 482 483 case WSDISPLAYIO_SCURSOR: 484 { 485 struct wsdisplay_cursor *cu; 486 487 cu = (struct wsdisplay_cursor *)data; 488 return voyagerfb_scursor(sc, cu); 489 } 490 } 491 return EPASSTHROUGH; 492 } 493 494 static paddr_t 495 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot) 496 { 497 struct vcons_data *vd = v; 498 struct voyagerfb_softc *sc = vd->cookie; 499 paddr_t pa; 500 501 /* 'regular' framebuffer mmap()ing */ 502 if (offset < sc->sc_fbsize) { 503 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 504 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 505 return pa; 506 } 507 508 /* 509 * restrict all other mappings to processes with superuser privileges 510 * or the kernel itself 511 */ 512 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 513 NULL) != 0) { 514 aprint_normal("%s: mmap() rejected.\n", 515 device_xname(sc->sc_dev)); 516 return -1; 517 } 518 519 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 520 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 521 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 522 return pa; 523 } 524 525 if ((offset >= sc->sc_reg) && 526 (offset < (sc->sc_reg + sc->sc_regsize))) { 527 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0); 528 return pa; 529 } 530 531 return -1; 532 } 533 534 static void 535 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr, 536 int existing, long *defattr) 537 { 538 struct voyagerfb_softc *sc = cookie; 539 struct rasops_info *ri = &scr->scr_ri; 540 541 ri->ri_depth = sc->sc_depth; 542 ri->ri_width = sc->sc_width; 543 ri->ri_height = sc->sc_height; 544 ri->ri_stride = sc->sc_stride; 545 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 546 547 ri->ri_bits = (char *)sc->sc_fbaddr; 548 549 if (existing) { 550 ri->ri_flg |= RI_CLEAR; 551 } 552 #ifdef VOYAGERFB_ANTIALIAS 553 ri->ri_flg |= RI_ENABLE_ALPHA; 554 #endif 555 556 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 557 ri->ri_caps = WSSCREEN_WSCOLORS; 558 559 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 560 sc->sc_width / ri->ri_font->fontwidth); 561 562 ri->ri_hw = scr; 563 ri->ri_ops.copyrows = voyagerfb_copyrows; 564 ri->ri_ops.copycols = voyagerfb_copycols; 565 ri->ri_ops.eraserows = voyagerfb_eraserows; 566 ri->ri_ops.erasecols = voyagerfb_erasecols; 567 ri->ri_ops.cursor = voyagerfb_cursor; 568 ri->ri_ops.putchar = voyagerfb_putchar; 569 } 570 571 static int 572 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 573 { 574 u_char *r, *g, *b; 575 u_int index = cm->index; 576 u_int count = cm->count; 577 int i, error; 578 u_char rbuf[256], gbuf[256], bbuf[256]; 579 580 #ifdef VOYAGERFB_DEBUG 581 aprint_debug("putcmap: %d %d\n",index, count); 582 #endif 583 if (cm->index >= 256 || cm->count > 256 || 584 (cm->index + cm->count) > 256) 585 return EINVAL; 586 error = copyin(cm->red, &rbuf[index], count); 587 if (error) 588 return error; 589 error = copyin(cm->green, &gbuf[index], count); 590 if (error) 591 return error; 592 error = copyin(cm->blue, &bbuf[index], count); 593 if (error) 594 return error; 595 596 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 597 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 598 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 599 600 r = &sc->sc_cmap_red[index]; 601 g = &sc->sc_cmap_green[index]; 602 b = &sc->sc_cmap_blue[index]; 603 604 for (i = 0; i < count; i++) { 605 voyagerfb_putpalreg(sc, index, *r, *g, *b); 606 index++; 607 r++, g++, b++; 608 } 609 return 0; 610 } 611 612 static int 613 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 614 { 615 u_int index = cm->index; 616 u_int count = cm->count; 617 int error; 618 619 if (index >= 255 || count > 256 || index + count > 256) 620 return EINVAL; 621 622 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 623 if (error) 624 return error; 625 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 626 if (error) 627 return error; 628 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 629 if (error) 630 return error; 631 632 return 0; 633 } 634 635 static void 636 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 637 { 638 int i; 639 640 for (i = 0; i < (1 << sc->sc_depth); i++) { 641 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 642 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 643 } 644 } 645 646 static int 647 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 648 uint8_t g, uint8_t b) 649 { 650 uint32_t reg; 651 652 reg = (r << 16) | (g << 8) | b; 653 /* XXX we should probably write the CRT palette too */ 654 bus_space_write_4(sc->sc_memt, sc->sc_regh, 655 SM502_PALETTE_PANEL + (idx << 2), reg); 656 return 0; 657 } 658 659 static void 660 voyagerfb_init(struct voyagerfb_softc *sc) 661 { 662 int reg; 663 664 voyagerfb_wait(sc); 665 /* disable colour compare */ 666 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 667 /* allow writes to all planes */ 668 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 669 0xffffffff); 670 /* disable clipping */ 671 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 672 /* source and destination in local memory, no offset */ 673 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 674 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 675 /* pitch is screen stride */ 676 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 677 sc->sc_width | (sc->sc_width << 16)); 678 /* window is screen width */ 679 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 680 sc->sc_width | (sc->sc_width << 16)); 681 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 682 reg &= ~SM502_PDC_DEPTH_MASK; 683 684 switch (sc->sc_depth) { 685 case 8: 686 bus_space_write_4(sc->sc_memt, sc->sc_regh, 687 SM502_STRETCH, SM502_STRETCH_8BIT); 688 sc->sc_stride = sc->sc_width; 689 reg |= SM502_PDC_8BIT; 690 break; 691 case 16: 692 bus_space_write_4(sc->sc_memt, sc->sc_regh, 693 SM502_STRETCH, SM502_STRETCH_16BIT); 694 sc->sc_stride = sc->sc_width << 1; 695 reg |= SM502_PDC_16BIT; 696 break; 697 case 24: 698 case 32: 699 bus_space_write_4(sc->sc_memt, sc->sc_regh, 700 SM502_STRETCH, SM502_STRETCH_32BIT); 701 sc->sc_stride = sc->sc_width << 2; 702 reg |= SM502_PDC_32BIT; 703 break; 704 } 705 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 706 (sc->sc_stride << 16) | sc->sc_stride); 707 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 708 reg); 709 710 /* put the cursor at the end of video memory */ 711 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */ 712 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 713 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, sc->sc_fbh) 714 + sc->sc_cursor_addr); 715 #ifdef VOYAGERFB_DEBUG 716 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 0x00100010); 717 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 0x0000ffff); 718 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 0x0000f800); 719 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 720 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 721 sc->sc_cursor[0] = 0x00000000; 722 sc->sc_cursor[1] = 0x00000000; 723 sc->sc_cursor[2] = 0xffffffff; 724 sc->sc_cursor[3] = 0xffffffff; 725 sc->sc_cursor[4] = 0xaaaaaaaa; 726 sc->sc_cursor[5] = 0xaaaaaaaa; 727 sc->sc_cursor[6] = 0xffffffff; 728 sc->sc_cursor[7] = 0x00000000; 729 #else 730 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 731 sc->sc_cursor_addr); 732 #endif 733 } 734 735 static void 736 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 737 uint32_t colour) 738 { 739 740 voyagerfb_ready(sc); 741 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 742 ROP_COPY | 743 SM502_CTRL_USE_ROP2 | 744 SM502_CTRL_CMD_RECTFILL | 745 SM502_CTRL_QUICKSTART_E); 746 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 747 colour); 748 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 749 (x << 16) | y); 750 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 751 (wi << 16) | he); 752 } 753 754 static void 755 voyagerfb_bitblt(struct voyagerfb_softc *sc, int xs, int ys, int xd, int yd, 756 int wi, int he, int rop) 757 { 758 uint32_t cmd; 759 760 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 761 SM502_CTRL_QUICKSTART_E; 762 763 voyagerfb_ready(sc); 764 765 if (xd <= xs) { 766 /* left to right */ 767 } else { 768 /* 769 * According to the manual this flag reverses only the blitter's 770 * X direction. At least on my Gdium it also reverses the Y 771 * direction 772 */ 773 cmd |= SM502_CTRL_R_TO_L; 774 xs += wi - 1; 775 xd += wi - 1; 776 ys += he - 1; 777 yd += he - 1; 778 } 779 780 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 781 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 782 (xs << 16) | ys); 783 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 784 (xd << 16) | yd); 785 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 786 (wi << 16) | he); 787 } 788 789 static void 790 voyagerfb_cursor(void *cookie, int on, int row, int col) 791 { 792 struct rasops_info *ri = cookie; 793 struct vcons_screen *scr = ri->ri_hw; 794 struct voyagerfb_softc *sc = scr->scr_cookie; 795 int x, y, wi, he; 796 797 wi = ri->ri_font->fontwidth; 798 he = ri->ri_font->fontheight; 799 800 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 801 x = ri->ri_ccol * wi + ri->ri_xorigin; 802 y = ri->ri_crow * he + ri->ri_yorigin; 803 if (ri->ri_flg & RI_CURSOR) { 804 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 805 ri->ri_flg &= ~RI_CURSOR; 806 } 807 ri->ri_crow = row; 808 ri->ri_ccol = col; 809 if (on) { 810 x = ri->ri_ccol * wi + ri->ri_xorigin; 811 y = ri->ri_crow * he + ri->ri_yorigin; 812 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 813 ri->ri_flg |= RI_CURSOR; 814 } 815 } else { 816 scr->scr_ri.ri_crow = row; 817 scr->scr_ri.ri_ccol = col; 818 scr->scr_ri.ri_flg &= ~RI_CURSOR; 819 } 820 821 } 822 823 static inline void 824 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 825 { 826 uint32_t *port = (uint32_t *)sc->sc_dataport; 827 int i; 828 829 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 830 *port = *data; 831 data++; 832 } 833 } 834 835 static inline void 836 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 837 { 838 uint32_t *port = (uint32_t *)sc->sc_dataport; 839 int i; 840 841 len = len << 1; 842 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 843 *port = *data; 844 data++; 845 } 846 } 847 848 849 static void 850 voyagerfb_putchar(void *cookie, int row, int col, u_int c, long attr) 851 { 852 struct rasops_info *ri = cookie; 853 struct wsdisplay_font *font = PICK_FONT(ri, c); 854 struct vcons_screen *scr = ri->ri_hw; 855 struct voyagerfb_softc *sc = scr->scr_cookie; 856 uint32_t cmd; 857 858 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 859 int fg, bg, uc; 860 uint8_t *data; 861 int x, y, wi, he; 862 wi = font->fontwidth; 863 he = font->fontheight; 864 865 if (!CHAR_IN_FONT(c, font)) 866 return; 867 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 868 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 869 x = ri->ri_xorigin + col * wi; 870 y = ri->ri_yorigin + row * he; 871 if (c == 0x20) { 872 voyagerfb_rectfill(sc, x, y, wi, he, bg); 873 return; 874 } 875 uc = c - font->firstchar; 876 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 877 if (font->stride < font->fontwidth) { 878 /* this is a mono font */ 879 cmd = ROP_COPY | 880 SM502_CTRL_USE_ROP2 | 881 SM502_CTRL_CMD_HOSTWRT | 882 SM502_CTRL_HOSTBLT_MONO | 883 SM502_CTRL_QUICKSTART_E | 884 SM502_CTRL_MONO_PACK_32BIT; 885 voyagerfb_ready(sc); 886 bus_space_write_4(sc->sc_memt, sc->sc_regh, 887 SM502_CONTROL, cmd); 888 bus_space_write_4(sc->sc_memt, sc->sc_regh, 889 SM502_FOREGROUND, fg); 890 bus_space_write_4(sc->sc_memt, sc->sc_regh, 891 SM502_BACKGROUND, bg); 892 bus_space_write_4(sc->sc_memt, sc->sc_regh, 893 SM502_SRC, 0); 894 bus_space_write_4(sc->sc_memt, sc->sc_regh, 895 SM502_DST, (x << 16) | y); 896 bus_space_write_4(sc->sc_memt, sc->sc_regh, 897 SM502_DIMENSION, (wi << 16) | he); 898 /* now feed the data, padded to 32bit */ 899 switch (ri->ri_font->stride) { 900 case 1: 901 voyagerfb_feed8(sc, data, ri->ri_fontscale); 902 break; 903 case 2: 904 voyagerfb_feed16(sc, (uint16_t *)data, 905 ri->ri_fontscale); 906 break; 907 908 } 909 } else { 910 /* 911 * alpha font 912 * we can't accelerate the actual alpha blending but 913 * we can at least use a host blit to go through the 914 * pipeline instead of having to sync the engine 915 */ 916 int i, r, g, b, alpha; 917 int rf, gf, bf, rb, gb, bb; 918 uint32_t pixel; 919 920 cmd = ROP_COPY | 921 SM502_CTRL_USE_ROP2 | 922 SM502_CTRL_CMD_HOSTWRT | 923 SM502_CTRL_QUICKSTART_E; 924 voyagerfb_ready(sc); 925 bus_space_write_4(sc->sc_memt, sc->sc_regh, 926 SM502_CONTROL, cmd); 927 bus_space_write_4(sc->sc_memt, sc->sc_regh, 928 SM502_SRC, 0); 929 bus_space_write_4(sc->sc_memt, sc->sc_regh, 930 SM502_DST, (x << 16) | y); 931 bus_space_write_4(sc->sc_memt, sc->sc_regh, 932 SM502_DIMENSION, (wi << 16) | he); 933 rf = (fg >> 16) & 0xff; 934 rb = (bg >> 16) & 0xff; 935 gf = (fg >> 8) & 0xff; 936 gb = (bg >> 8) & 0xff; 937 bf = fg & 0xff; 938 bb = bg & 0xff; 939 for (i = 0; i < wi * he; i++) { 940 alpha = *data; 941 data++; 942 r = alpha * rf + (255 - alpha) * rb; 943 g = alpha * gf + (255 - alpha) * gb; 944 b = alpha * bf + (255 - alpha) * bb; 945 pixel = (r & 0xff00) << 8 | 946 (g & 0xff00) | 947 (b & 0xff00) >> 8; 948 bus_space_write_4(sc->sc_memt, sc->sc_regh, 949 SM502_DATAPORT, pixel); 950 } 951 } 952 } 953 } 954 955 static void 956 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 957 { 958 struct rasops_info *ri = cookie; 959 struct vcons_screen *scr = ri->ri_hw; 960 struct voyagerfb_softc *sc = scr->scr_cookie; 961 int32_t xs, xd, y, width, height; 962 963 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 964 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 965 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 966 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 967 width = ri->ri_font->fontwidth * ncols; 968 height = ri->ri_font->fontheight; 969 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY); 970 } 971 } 972 973 static void 974 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols, 975 long fillattr) 976 { 977 struct rasops_info *ri = cookie; 978 struct vcons_screen *scr = ri->ri_hw; 979 struct voyagerfb_softc *sc = scr->scr_cookie; 980 int32_t x, y, width, height, fg, bg, ul; 981 982 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 983 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 984 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 985 width = ri->ri_font->fontwidth * ncols; 986 height = ri->ri_font->fontheight; 987 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 988 989 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 990 } 991 } 992 993 static void 994 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 995 { 996 struct rasops_info *ri = cookie; 997 struct vcons_screen *scr = ri->ri_hw; 998 struct voyagerfb_softc *sc = scr->scr_cookie; 999 int32_t x, ys, yd, width, height; 1000 int i; 1001 1002 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1003 x = ri->ri_xorigin; 1004 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1005 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1006 width = ri->ri_emuwidth; 1007 height = ri->ri_font->fontheight * nrows; 1008 if ((nrows > 1) && (dstrow > srcrow)) { 1009 /* 1010 * the blitter can't do bottom-up copies so we have 1011 * to copy line by line here 1012 * should probably use a command sequence 1013 */ 1014 ys += (height - ri->ri_font->fontheight); 1015 yd += (height - ri->ri_font->fontheight); 1016 for (i = 0; i < nrows; i++) { 1017 voyagerfb_bitblt(sc, x, ys, x, yd, width, 1018 ri->ri_font->fontheight, ROP_COPY); 1019 ys -= ri->ri_font->fontheight; 1020 yd -= ri->ri_font->fontheight; 1021 } 1022 } else 1023 voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 1024 ROP_COPY); 1025 } 1026 } 1027 1028 static void 1029 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr) 1030 { 1031 struct rasops_info *ri = cookie; 1032 struct vcons_screen *scr = ri->ri_hw; 1033 struct voyagerfb_softc *sc = scr->scr_cookie; 1034 int32_t x, y, width, height, fg, bg, ul; 1035 1036 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1037 x = ri->ri_xorigin; 1038 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1039 width = ri->ri_emuwidth; 1040 height = ri->ri_font->fontheight * nrows; 1041 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1042 1043 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1044 } 1045 } 1046 1047 /* backlight control */ 1048 static void 1049 voyagerfb_setup_backlight(struct voyagerfb_softc *sc) 1050 { 1051 /* switch the pin to gpio mode if it isn't already */ 1052 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1053 /* turn it on */ 1054 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1055 sc->sc_bl_on = 1; 1056 sc->sc_bl_level = 255; 1057 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 1058 voyagerfb_brightness_up, TRUE); 1059 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 1060 voyagerfb_brightness_down, TRUE); 1061 } 1062 1063 static void 1064 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level) 1065 { 1066 1067 /* 1068 * should we do nothing when backlight is off, should we just store the 1069 * level and use it when turning back on or should we just flip sc_bl_on 1070 * and turn the backlight on? 1071 * For now turn it on so a crashed screensaver can't get the user stuck 1072 * with a dark screen as long as hotkeys work 1073 */ 1074 if (level > 255) level = 255; 1075 if (level < 0) level = 0; 1076 if (level == sc->sc_bl_level) 1077 return; 1078 sc->sc_bl_level = level; 1079 if (sc->sc_bl_on == 0) 1080 sc->sc_bl_on = 1; 1081 /* and here we would actually muck with the hardware */ 1082 if ((level == 0) || (level == 255)) { 1083 /* in these cases bypass the PWM and use the gpio */ 1084 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1085 if (level == 0) { 1086 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1087 } else { 1088 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1089 } 1090 } else { 1091 uint32_t pwm; 1092 1093 pwm = voyager_set_pwm(20000, level * 1000 / 256); 1094 pwm |= SM502_PWM_ENABLE; 1095 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm); 1096 1097 /* let the PWM take over */ 1098 voyager_control_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1099 } 1100 } 1101 1102 static void 1103 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on) 1104 { 1105 1106 if (on == sc->sc_bl_on) 1107 return; 1108 sc->sc_bl_on = on; 1109 if (on) { 1110 int level = sc->sc_bl_level; 1111 1112 sc->sc_bl_level = -1; 1113 voyagerfb_set_backlight(sc, level); 1114 } else { 1115 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1116 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1117 } 1118 } 1119 1120 1121 static void 1122 voyagerfb_brightness_up(device_t dev) 1123 { 1124 struct voyagerfb_softc *sc = device_private(dev); 1125 1126 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8); 1127 } 1128 1129 static void 1130 voyagerfb_brightness_down(device_t dev) 1131 { 1132 struct voyagerfb_softc *sc = device_private(dev); 1133 1134 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8); 1135 } 1136 1137 static int 1138 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y) 1139 { 1140 uint32_t val; 1141 int xx, yy; 1142 1143 sc->sc_cur_x = x; 1144 sc->sc_cur_y = y; 1145 1146 xx = x - sc->sc_hot_x; 1147 yy = y - sc->sc_hot_y; 1148 1149 if (xx < 0) xx = abs(xx) | 0x800; 1150 if (yy < 0) yy = abs(yy) | 0x800; 1151 1152 val = (xx & 0xffff) | (yy << 16); 1153 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val); 1154 1155 return 0; 1156 } 1157 1158 static int 1159 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1160 { 1161 /* do nothing for now */ 1162 return 0; 1163 } 1164 1165 static int 1166 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1167 { 1168 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1169 1170 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1171 SM502_PANEL_CRSR_ADDR, 1172 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0)); 1173 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 1174 } 1175 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1176 1177 sc->sc_hot_x = cur->hot.x; 1178 sc->sc_hot_y = cur->hot.y; 1179 } 1180 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1181 1182 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y); 1183 } 1184 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1185 int i, idx; 1186 uint32_t val; 1187 1188 for (i = 0; i < cur->cmap.count; i++) { 1189 val = ((cur->cmap.red[i] & 0xf8) << 8) | 1190 ((cur->cmap.green[i] & 0xfc) << 3) | 1191 ((cur->cmap.blue[i] & 0xf8) >> 3); 1192 idx = i + cur->cmap.index; 1193 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1194 SM502_PANEL_CRSR_COL12 + (idx << 1), 1195 val); 1196 /* 1197 * if userland doesn't try to set the 3rd colour we 1198 * assume it expects an X11-style 2 colour cursor 1199 * X should be our main user anyway 1200 */ 1201 if ((idx == 1) && 1202 ((cur->cmap.count + cur->cmap.index) < 3)) { 1203 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1204 SM502_PANEL_CRSR_COL3, 1205 val); 1206 } 1207 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index, val); 1208 } 1209 } 1210 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1211 1212 int i, j, cnt = 0; 1213 uint32_t latch = 0, omask; 1214 uint8_t imask; 1215 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y); 1216 for (i = 0; i < 256; i++) { 1217 omask = 0x00000001; 1218 imask = 0x01; 1219 cur->image[cnt] &= cur->mask[cnt]; 1220 for (j = 0; j < 8; j++) { 1221 if (cur->mask[cnt] & imask) 1222 latch |= omask; 1223 omask <<= 1; 1224 if (cur->image[cnt] & imask) 1225 latch |= omask; 1226 omask <<= 1; 1227 imask <<= 1; 1228 } 1229 cnt++; 1230 imask = 0x01; 1231 cur->image[cnt] &= cur->mask[cnt]; 1232 for (j = 0; j < 8; j++) { 1233 if (cur->mask[cnt] & imask) 1234 latch |= omask; 1235 omask <<= 1; 1236 if (cur->image[cnt] & imask) 1237 latch |= omask; 1238 omask <<= 1; 1239 imask <<= 1; 1240 } 1241 cnt++; 1242 sc->sc_cursor[i] = latch; 1243 latch = 0; 1244 } 1245 } 1246 return 0; 1247 } 1248
Indexes created Tue Sep 30 20:09:53 GMT 2025