voyagerfb.c revision 1.10
1 /* $NetBSD: voyagerfb.c,v 1.10 2011/12/22 05:05:24 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 1.10 2011/12/22 05:05:24 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 sc->sc_depth = 8; 391 voyagerfb_init(sc); 392 voyagerfb_restore_palette(sc); 393 vcons_redraw_screen(ms); 394 } else { 395 sc->sc_depth = 32; 396 voyagerfb_init(sc); 397 } 398 } 399 } 400 return 0; 401 402 case WSDISPLAYIO_GVIDEO: 403 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON : 404 WSDISPLAYIO_VIDEO_OFF; 405 return 0; 406 407 case WSDISPLAYIO_SVIDEO: { 408 int new_bl = *(int *)data; 409 410 voyagerfb_switch_backlight(sc, new_bl); 411 } 412 return 0; 413 414 case WSDISPLAYIO_GETPARAM: 415 param = (struct wsdisplay_param *)data; 416 switch (param->param) { 417 case WSDISPLAYIO_PARAM_BRIGHTNESS: 418 param->min = 0; 419 param->max = 255; 420 param->curval = sc->sc_bl_level; 421 return 0; 422 case WSDISPLAYIO_PARAM_BACKLIGHT: 423 param->min = 0; 424 param->max = 1; 425 param->curval = sc->sc_bl_on; 426 return 0; 427 } 428 return EPASSTHROUGH; 429 430 case WSDISPLAYIO_SETPARAM: 431 param = (struct wsdisplay_param *)data; 432 switch (param->param) { 433 case WSDISPLAYIO_PARAM_BRIGHTNESS: 434 voyagerfb_set_backlight(sc, param->curval); 435 return 0; 436 case WSDISPLAYIO_PARAM_BACKLIGHT: 437 voyagerfb_switch_backlight(sc, param->curval); 438 return 0; 439 } 440 return EPASSTHROUGH; 441 442 case WSDISPLAYIO_GCURPOS: 443 { 444 struct wsdisplay_curpos *pos; 445 446 pos = (struct wsdisplay_curpos *)data; 447 pos->x = sc->sc_cur_x; 448 pos->y = sc->sc_cur_y; 449 } 450 return 0; 451 452 case WSDISPLAYIO_SCURPOS: 453 { 454 struct wsdisplay_curpos *pos; 455 456 pos = (struct wsdisplay_curpos *)data; 457 voyagerfb_set_curpos(sc, pos->x, pos->y); 458 } 459 return 0; 460 461 case WSDISPLAYIO_GCURMAX: 462 { 463 struct wsdisplay_curpos *pos; 464 465 pos = (struct wsdisplay_curpos *)data; 466 pos->x = 64; 467 pos->y = 64; 468 } 469 return 0; 470 471 case WSDISPLAYIO_GCURSOR: 472 { 473 struct wsdisplay_cursor *cu; 474 475 cu = (struct wsdisplay_cursor *)data; 476 return voyagerfb_gcursor(sc, cu); 477 } 478 479 case WSDISPLAYIO_SCURSOR: 480 { 481 struct wsdisplay_cursor *cu; 482 483 cu = (struct wsdisplay_cursor *)data; 484 return voyagerfb_scursor(sc, cu); 485 } 486 } 487 return EPASSTHROUGH; 488 } 489 490 static paddr_t 491 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot) 492 { 493 struct vcons_data *vd = v; 494 struct voyagerfb_softc *sc = vd->cookie; 495 paddr_t pa; 496 497 /* 'regular' framebuffer mmap()ing */ 498 if (offset < sc->sc_fbsize) { 499 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 500 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 501 return pa; 502 } 503 504 /* 505 * restrict all other mappings to processes with superuser privileges 506 * or the kernel itself 507 */ 508 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 509 NULL) != 0) { 510 aprint_normal("%s: mmap() rejected.\n", 511 device_xname(sc->sc_dev)); 512 return -1; 513 } 514 515 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 516 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 517 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 518 return pa; 519 } 520 521 if ((offset >= sc->sc_reg) && 522 (offset < (sc->sc_reg + sc->sc_regsize))) { 523 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0); 524 return pa; 525 } 526 527 return -1; 528 } 529 530 static void 531 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr, 532 int existing, long *defattr) 533 { 534 struct voyagerfb_softc *sc = cookie; 535 struct rasops_info *ri = &scr->scr_ri; 536 537 ri->ri_depth = sc->sc_depth; 538 ri->ri_width = sc->sc_width; 539 ri->ri_height = sc->sc_height; 540 ri->ri_stride = sc->sc_stride; 541 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 542 543 ri->ri_bits = (char *)sc->sc_fbaddr; 544 545 if (existing) { 546 ri->ri_flg |= RI_CLEAR; 547 } 548 #ifdef VOYAGERFB_ANTIALIAS 549 ri->ri_flg |= RI_ENABLE_ALPHA; 550 #endif 551 552 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 553 ri->ri_caps = WSSCREEN_WSCOLORS; 554 555 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 556 sc->sc_width / ri->ri_font->fontwidth); 557 558 ri->ri_hw = scr; 559 ri->ri_ops.copyrows = voyagerfb_copyrows; 560 ri->ri_ops.copycols = voyagerfb_copycols; 561 ri->ri_ops.eraserows = voyagerfb_eraserows; 562 ri->ri_ops.erasecols = voyagerfb_erasecols; 563 ri->ri_ops.cursor = voyagerfb_cursor; 564 ri->ri_ops.putchar = voyagerfb_putchar; 565 } 566 567 static int 568 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 569 { 570 u_char *r, *g, *b; 571 u_int index = cm->index; 572 u_int count = cm->count; 573 int i, error; 574 u_char rbuf[256], gbuf[256], bbuf[256]; 575 576 #ifdef VOYAGERFB_DEBUG 577 aprint_debug("putcmap: %d %d\n",index, count); 578 #endif 579 if (cm->index >= 256 || cm->count > 256 || 580 (cm->index + cm->count) > 256) 581 return EINVAL; 582 error = copyin(cm->red, &rbuf[index], count); 583 if (error) 584 return error; 585 error = copyin(cm->green, &gbuf[index], count); 586 if (error) 587 return error; 588 error = copyin(cm->blue, &bbuf[index], count); 589 if (error) 590 return error; 591 592 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 593 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 594 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 595 596 r = &sc->sc_cmap_red[index]; 597 g = &sc->sc_cmap_green[index]; 598 b = &sc->sc_cmap_blue[index]; 599 600 for (i = 0; i < count; i++) { 601 voyagerfb_putpalreg(sc, index, *r, *g, *b); 602 index++; 603 r++, g++, b++; 604 } 605 return 0; 606 } 607 608 static int 609 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 610 { 611 u_int index = cm->index; 612 u_int count = cm->count; 613 int error; 614 615 if (index >= 255 || count > 256 || index + count > 256) 616 return EINVAL; 617 618 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 619 if (error) 620 return error; 621 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 622 if (error) 623 return error; 624 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 625 if (error) 626 return error; 627 628 return 0; 629 } 630 631 static void 632 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 633 { 634 int i; 635 636 for (i = 0; i < (1 << sc->sc_depth); i++) { 637 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 638 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 639 } 640 } 641 642 static int 643 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 644 uint8_t g, uint8_t b) 645 { 646 uint32_t reg; 647 648 reg = (r << 16) | (g << 8) | b; 649 /* XXX we should probably write the CRT palette too */ 650 bus_space_write_4(sc->sc_memt, sc->sc_regh, 651 SM502_PALETTE_PANEL + (idx << 2), reg); 652 return 0; 653 } 654 655 static void 656 voyagerfb_init(struct voyagerfb_softc *sc) 657 { 658 int reg; 659 660 voyagerfb_wait(sc); 661 /* disable colour compare */ 662 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 663 /* allow writes to all planes */ 664 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 665 0xffffffff); 666 /* disable clipping */ 667 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 668 /* source and destination in local memory, no offset */ 669 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 670 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 671 /* pitch is screen stride */ 672 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 673 sc->sc_width | (sc->sc_width << 16)); 674 /* window is screen width */ 675 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 676 sc->sc_width | (sc->sc_width << 16)); 677 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 678 reg &= ~SM502_PDC_DEPTH_MASK; 679 680 switch (sc->sc_depth) { 681 case 8: 682 bus_space_write_4(sc->sc_memt, sc->sc_regh, 683 SM502_STRETCH, SM502_STRETCH_8BIT); 684 sc->sc_stride = sc->sc_width; 685 reg |= SM502_PDC_8BIT; 686 break; 687 case 16: 688 bus_space_write_4(sc->sc_memt, sc->sc_regh, 689 SM502_STRETCH, SM502_STRETCH_16BIT); 690 sc->sc_stride = sc->sc_width << 1; 691 reg |= SM502_PDC_16BIT; 692 break; 693 case 24: 694 case 32: 695 bus_space_write_4(sc->sc_memt, sc->sc_regh, 696 SM502_STRETCH, SM502_STRETCH_32BIT); 697 sc->sc_stride = sc->sc_width << 2; 698 reg |= SM502_PDC_32BIT; 699 break; 700 } 701 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 702 (sc->sc_stride << 16) | sc->sc_stride); 703 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 704 reg); 705 706 /* put the cursor at the end of video memory */ 707 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */ 708 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 709 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, sc->sc_fbh) 710 + sc->sc_cursor_addr); 711 #ifdef VOYAGERFB_DEBUG 712 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 0x00100010); 713 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 0x0000ffff); 714 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 0x0000f800); 715 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 716 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 717 sc->sc_cursor[0] = 0x00000000; 718 sc->sc_cursor[1] = 0x00000000; 719 sc->sc_cursor[2] = 0xffffffff; 720 sc->sc_cursor[3] = 0xffffffff; 721 sc->sc_cursor[4] = 0xaaaaaaaa; 722 sc->sc_cursor[5] = 0xaaaaaaaa; 723 sc->sc_cursor[6] = 0xffffffff; 724 sc->sc_cursor[7] = 0x00000000; 725 #else 726 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 727 sc->sc_cursor_addr); 728 #endif 729 } 730 731 static void 732 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 733 uint32_t colour) 734 { 735 736 voyagerfb_ready(sc); 737 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 738 ROP_COPY | 739 SM502_CTRL_USE_ROP2 | 740 SM502_CTRL_CMD_RECTFILL | 741 SM502_CTRL_QUICKSTART_E); 742 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 743 colour); 744 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 745 (x << 16) | y); 746 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 747 (wi << 16) | he); 748 } 749 750 static void 751 voyagerfb_bitblt(struct voyagerfb_softc *sc, int xs, int ys, int xd, int yd, 752 int wi, int he, int rop) 753 { 754 uint32_t cmd; 755 756 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 757 SM502_CTRL_QUICKSTART_E; 758 759 voyagerfb_ready(sc); 760 761 if (xd <= xs) { 762 /* left to right */ 763 } else { 764 /* 765 * According to the manual this flag reverses only the blitter's 766 * X direction. At least on my Gdium it also reverses the Y 767 * direction 768 */ 769 cmd |= SM502_CTRL_R_TO_L; 770 xs += wi - 1; 771 xd += wi - 1; 772 ys += he - 1; 773 yd += he - 1; 774 } 775 776 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 777 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 778 (xs << 16) | ys); 779 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 780 (xd << 16) | yd); 781 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 782 (wi << 16) | he); 783 } 784 785 static void 786 voyagerfb_cursor(void *cookie, int on, int row, int col) 787 { 788 struct rasops_info *ri = cookie; 789 struct vcons_screen *scr = ri->ri_hw; 790 struct voyagerfb_softc *sc = scr->scr_cookie; 791 int x, y, wi, he; 792 793 wi = ri->ri_font->fontwidth; 794 he = ri->ri_font->fontheight; 795 796 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 797 x = ri->ri_ccol * wi + ri->ri_xorigin; 798 y = ri->ri_crow * he + ri->ri_yorigin; 799 if (ri->ri_flg & RI_CURSOR) { 800 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 801 ri->ri_flg &= ~RI_CURSOR; 802 } 803 ri->ri_crow = row; 804 ri->ri_ccol = col; 805 if (on) { 806 x = ri->ri_ccol * wi + ri->ri_xorigin; 807 y = ri->ri_crow * he + ri->ri_yorigin; 808 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 809 ri->ri_flg |= RI_CURSOR; 810 } 811 } else { 812 scr->scr_ri.ri_crow = row; 813 scr->scr_ri.ri_ccol = col; 814 scr->scr_ri.ri_flg &= ~RI_CURSOR; 815 } 816 817 } 818 819 static inline void 820 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 821 { 822 uint32_t *port = (uint32_t *)sc->sc_dataport; 823 int i; 824 825 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 826 *port = *data; 827 data++; 828 } 829 } 830 831 static inline void 832 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 833 { 834 uint32_t *port = (uint32_t *)sc->sc_dataport; 835 int i; 836 837 len = len << 1; 838 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 839 *port = *data; 840 data++; 841 } 842 } 843 844 845 static void 846 voyagerfb_putchar(void *cookie, int row, int col, u_int c, long attr) 847 { 848 struct rasops_info *ri = cookie; 849 struct wsdisplay_font *font = PICK_FONT(ri, c); 850 struct vcons_screen *scr = ri->ri_hw; 851 struct voyagerfb_softc *sc = scr->scr_cookie; 852 uint32_t cmd; 853 854 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 855 int fg, bg, uc; 856 uint8_t *data; 857 int x, y, wi, he; 858 wi = font->fontwidth; 859 he = font->fontheight; 860 861 if (!CHAR_IN_FONT(c, font)) 862 return; 863 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 864 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 865 x = ri->ri_xorigin + col * wi; 866 y = ri->ri_yorigin + row * he; 867 if (c == 0x20) { 868 voyagerfb_rectfill(sc, x, y, wi, he, bg); 869 return; 870 } 871 uc = c - font->firstchar; 872 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 873 if (font->stride < font->fontwidth) { 874 /* this is a mono font */ 875 cmd = ROP_COPY | 876 SM502_CTRL_USE_ROP2 | 877 SM502_CTRL_CMD_HOSTWRT | 878 SM502_CTRL_HOSTBLT_MONO | 879 SM502_CTRL_QUICKSTART_E | 880 SM502_CTRL_MONO_PACK_32BIT; 881 voyagerfb_ready(sc); 882 bus_space_write_4(sc->sc_memt, sc->sc_regh, 883 SM502_CONTROL, cmd); 884 bus_space_write_4(sc->sc_memt, sc->sc_regh, 885 SM502_FOREGROUND, fg); 886 bus_space_write_4(sc->sc_memt, sc->sc_regh, 887 SM502_BACKGROUND, bg); 888 bus_space_write_4(sc->sc_memt, sc->sc_regh, 889 SM502_SRC, 0); 890 bus_space_write_4(sc->sc_memt, sc->sc_regh, 891 SM502_DST, (x << 16) | y); 892 bus_space_write_4(sc->sc_memt, sc->sc_regh, 893 SM502_DIMENSION, (wi << 16) | he); 894 /* now feed the data, padded to 32bit */ 895 switch (ri->ri_font->stride) { 896 case 1: 897 voyagerfb_feed8(sc, data, ri->ri_fontscale); 898 break; 899 case 2: 900 voyagerfb_feed16(sc, (uint16_t *)data, 901 ri->ri_fontscale); 902 break; 903 904 } 905 } else { 906 /* 907 * alpha font 908 * we can't accelerate the actual alpha blending but 909 * we can at least use a host blit to go through the 910 * pipeline instead of having to sync the engine 911 */ 912 int i, r, g, b, alpha; 913 int rf, gf, bf, rb, gb, bb; 914 uint32_t pixel; 915 916 cmd = ROP_COPY | 917 SM502_CTRL_USE_ROP2 | 918 SM502_CTRL_CMD_HOSTWRT | 919 SM502_CTRL_QUICKSTART_E; 920 voyagerfb_ready(sc); 921 bus_space_write_4(sc->sc_memt, sc->sc_regh, 922 SM502_CONTROL, cmd); 923 bus_space_write_4(sc->sc_memt, sc->sc_regh, 924 SM502_SRC, 0); 925 bus_space_write_4(sc->sc_memt, sc->sc_regh, 926 SM502_DST, (x << 16) | y); 927 bus_space_write_4(sc->sc_memt, sc->sc_regh, 928 SM502_DIMENSION, (wi << 16) | he); 929 rf = (fg >> 16) & 0xff; 930 rb = (bg >> 16) & 0xff; 931 gf = (fg >> 8) & 0xff; 932 gb = (bg >> 8) & 0xff; 933 bf = fg & 0xff; 934 bb = bg & 0xff; 935 for (i = 0; i < wi * he; i++) { 936 alpha = *data; 937 data++; 938 r = alpha * rf + (255 - alpha) * rb; 939 g = alpha * gf + (255 - alpha) * gb; 940 b = alpha * bf + (255 - alpha) * bb; 941 pixel = (r & 0xff00) << 8 | 942 (g & 0xff00) | 943 (b & 0xff00) >> 8; 944 bus_space_write_4(sc->sc_memt, sc->sc_regh, 945 SM502_DATAPORT, pixel); 946 } 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