voyagerfb.c revision 1.19
1 /* $NetBSD: voyagerfb.c,v 1.19 2012/03/20 14:59:36 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 1.19 2012/03/20 14:59:36 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 #include <dev/wscons/wsdisplay_glyphcachevar.h> 62 63 #include "opt_voyagerfb.h" 64 65 #ifdef VOYAGERFB_DEBUG 66 #define DPRINTF aprint_error 67 #else 68 #define DPRINTF while (0) printf 69 #endif 70 71 /* there are probably gdium-specific */ 72 #define GPIO_BACKLIGHT 0x20000000 73 74 struct voyagerfb_softc { 75 device_t sc_dev; 76 77 pci_chipset_tag_t sc_pc; 78 pcitag_t sc_pcitag; 79 bus_space_tag_t sc_memt; 80 81 bus_space_handle_t sc_fbh; 82 bus_space_handle_t sc_regh; 83 bus_addr_t sc_fb, sc_reg; 84 bus_size_t sc_fbsize, sc_regsize; 85 86 int sc_width, sc_height, sc_depth, sc_stride; 87 int sc_locked; 88 void *sc_fbaddr; 89 struct vcons_screen sc_console_screen; 90 struct wsscreen_descr sc_defaultscreen_descr; 91 const struct wsscreen_descr *sc_screens[1]; 92 struct wsscreen_list sc_screenlist; 93 struct vcons_data vd; 94 uint8_t *sc_dataport; 95 int sc_mode; 96 int sc_bl_on, sc_bl_level; 97 void *sc_gpio_cookie; 98 99 /* cursor stuff */ 100 int sc_cur_x; 101 int sc_cur_y; 102 int sc_hot_x; 103 int sc_hot_y; 104 uint32_t sc_cursor_addr; 105 uint32_t *sc_cursor; 106 107 /* colour map */ 108 u_char sc_cmap_red[256]; 109 u_char sc_cmap_green[256]; 110 u_char sc_cmap_blue[256]; 111 112 glyphcache sc_gc; 113 }; 114 115 static int voyagerfb_match(device_t, cfdata_t, void *); 116 static void voyagerfb_attach(device_t, device_t, void *); 117 118 CFATTACH_DECL_NEW(voyagerfb, sizeof(struct voyagerfb_softc), 119 voyagerfb_match, voyagerfb_attach, NULL, NULL); 120 121 extern const u_char rasops_cmap[768]; 122 123 static int voyagerfb_ioctl(void *, void *, u_long, void *, int, 124 struct lwp *); 125 static paddr_t voyagerfb_mmap(void *, void *, off_t, int); 126 static void voyagerfb_init_screen(void *, struct vcons_screen *, int, 127 long *); 128 129 static int voyagerfb_putcmap(struct voyagerfb_softc *, 130 struct wsdisplay_cmap *); 131 static int voyagerfb_getcmap(struct voyagerfb_softc *, 132 struct wsdisplay_cmap *); 133 static void voyagerfb_restore_palette(struct voyagerfb_softc *); 134 static int voyagerfb_putpalreg(struct voyagerfb_softc *, int, uint8_t, 135 uint8_t, uint8_t); 136 137 static void voyagerfb_init(struct voyagerfb_softc *); 138 139 static void voyagerfb_rectfill(struct voyagerfb_softc *, int, int, int, int, 140 uint32_t); 141 static void voyagerfb_bitblt(void *, int, int, int, int, 142 int, int, int); 143 144 static void voyagerfb_cursor(void *, int, int, int); 145 static void voyagerfb_putchar_mono(void *, int, int, u_int, long); 146 static void voyagerfb_putchar_aa32(void *, int, int, u_int, long); 147 static void voyagerfb_copycols(void *, int, int, int, int); 148 static void voyagerfb_erasecols(void *, int, int, int, long); 149 static void voyagerfb_copyrows(void *, int, int, int); 150 static void voyagerfb_eraserows(void *, int, int, long); 151 152 static int voyagerfb_set_curpos(struct voyagerfb_softc *, int, int); 153 static int voyagerfb_gcursor(struct voyagerfb_softc *, struct wsdisplay_cursor *); 154 static int voyagerfb_scursor(struct voyagerfb_softc *, struct wsdisplay_cursor *); 155 156 struct wsdisplay_accessops voyagerfb_accessops = { 157 voyagerfb_ioctl, 158 voyagerfb_mmap, 159 NULL, /* alloc_screen */ 160 NULL, /* free_screen */ 161 NULL, /* show_screen */ 162 NULL, /* load_font */ 163 NULL, /* pollc */ 164 NULL /* scroll */ 165 }; 166 167 static void voyagerfb_setup_backlight(struct voyagerfb_softc *); 168 static void voyagerfb_brightness_up(device_t); 169 static void voyagerfb_brightness_down(device_t); 170 /* set backlight level */ 171 static void voyagerfb_set_backlight(struct voyagerfb_softc *, int); 172 /* turn backlight on and off without messing with the level */ 173 static void voyagerfb_switch_backlight(struct voyagerfb_softc *, int); 174 175 /* wait for FIFO empty so we can feed it another command */ 176 static inline void 177 voyagerfb_ready(struct voyagerfb_softc *sc) 178 { 179 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 180 SM502_SYSTEM_CTRL) & SM502_SYSCTL_FIFO_EMPTY) == 0); 181 } 182 183 /* wait for the drawing engine to be idle */ 184 static inline void 185 voyagerfb_wait(struct voyagerfb_softc *sc) 186 { 187 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 188 SM502_SYSTEM_CTRL) & SM502_SYSCTL_ENGINE_BUSY) != 0); 189 } 190 191 static int 192 voyagerfb_match(device_t parent, cfdata_t match, void *aux) 193 { 194 struct voyager_attach_args *vaa = (struct voyager_attach_args *)aux; 195 196 if (strcmp(vaa->vaa_name, "voyagerfb") == 0) return 100; 197 return 0; 198 } 199 200 static void 201 voyagerfb_attach(device_t parent, device_t self, void *aux) 202 { 203 struct voyagerfb_softc *sc = device_private(self); 204 struct voyager_attach_args *vaa = aux; 205 struct rasops_info *ri; 206 struct wsemuldisplaydev_attach_args aa; 207 prop_dictionary_t dict; 208 unsigned long defattr; 209 bool is_console; 210 int i, j; 211 212 sc->sc_pc = vaa->vaa_pc; 213 sc->sc_pcitag = vaa->vaa_pcitag; 214 sc->sc_memt = vaa->vaa_tag; 215 sc->sc_dev = self; 216 217 aprint_normal("\n"); 218 219 dict = device_properties(self); 220 prop_dictionary_get_bool(dict, "is_console", &is_console); 221 222 sc->sc_fb = vaa->vaa_mem_pa; 223 sc->sc_fbh = vaa->vaa_memh; 224 sc->sc_fbsize = 16 * 1024 * 1024; 225 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 226 227 sc->sc_reg = vaa->vaa_reg_pa; 228 sc->sc_regh = vaa->vaa_regh; 229 sc->sc_regsize = 2 * 1024 * 1024; 230 sc->sc_dataport = bus_space_vaddr(sc->sc_memt, sc->sc_regh); 231 sc->sc_dataport += SM502_DATAPORT; 232 233 sc->sc_width = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 234 SM502_PANEL_FB_WIDTH) & SM502_FBW_WIN_WIDTH_MASK) >> 16; 235 sc->sc_height = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 236 SM502_PANEL_FB_HEIGHT) & SM502_FBH_WIN_HEIGHT_MASK) >> 16; 237 238 #ifdef VOYAGERFB_ANTIALIAS 239 sc->sc_depth = 32; 240 #else 241 sc->sc_depth = 8; 242 #endif 243 244 /* init engine here */ 245 voyagerfb_init(sc); 246 247 printf("%s: %d x %d, %d bit, stride %d\n", device_xname(self), 248 sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride); 249 250 /* 251 * XXX yeah, casting the fb address to uint32_t is formally wrong 252 * but as far as I know there are no SM502 with 64bit BARs 253 */ 254 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 255 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 256 257 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 258 "default", 259 0, 0, 260 NULL, 261 8, 16, 262 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 263 NULL 264 }; 265 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 266 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 267 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 268 sc->sc_locked = 0; 269 270 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 271 &voyagerfb_accessops); 272 sc->vd.init_screen = voyagerfb_init_screen; 273 274 /* backlight control */ 275 sc->sc_gpio_cookie = device_private(parent); 276 voyagerfb_setup_backlight(sc); 277 278 ri = &sc->sc_console_screen.scr_ri; 279 280 sc->sc_gc.gc_bitblt = voyagerfb_bitblt; 281 sc->sc_gc.gc_blitcookie = sc; 282 sc->sc_gc.gc_rop = ROP_COPY; 283 if (is_console) { 284 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 285 &defattr); 286 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 287 288 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 289 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 290 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 291 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 292 } else { 293 /* 294 * since we're not the console we can postpone the rest 295 * until someone actually allocates a screen for us 296 */ 297 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 298 } 299 glyphcache_init(&sc->sc_gc, sc->sc_height, 300 sc->sc_width, 301 (sc->sc_fbsize / sc->sc_stride) - sc->sc_height, 302 ri->ri_font->fontwidth, 303 ri->ri_font->fontheight, 304 defattr); 305 if (is_console) 306 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 307 defattr); 308 309 j = 0; 310 if (sc->sc_depth <= 8) { 311 for (i = 0; i < (1 << sc->sc_depth); i++) { 312 313 sc->sc_cmap_red[i] = rasops_cmap[j]; 314 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 315 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 316 voyagerfb_putpalreg(sc, i, rasops_cmap[j], 317 rasops_cmap[j + 1], rasops_cmap[j + 2]); 318 j += 3; 319 } 320 } 321 322 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 323 ri->ri_devcmap[(defattr >> 16) & 0xff]); 324 325 if (is_console) 326 vcons_replay_msgbuf(&sc->sc_console_screen); 327 328 aa.console = is_console; 329 aa.scrdata = &sc->sc_screenlist; 330 aa.accessops = &voyagerfb_accessops; 331 aa.accesscookie = &sc->vd; 332 333 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 334 } 335 336 static int 337 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 338 struct lwp *l) 339 { 340 struct vcons_data *vd = v; 341 struct voyagerfb_softc *sc = vd->cookie; 342 struct wsdisplay_fbinfo *wdf; 343 struct vcons_screen *ms = vd->active; 344 struct wsdisplay_param *param; 345 346 switch (cmd) { 347 case WSDISPLAYIO_GTYPE: 348 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 349 return 0; 350 351 /* PCI config read/write passthrough. */ 352 case PCI_IOC_CFGREAD: 353 case PCI_IOC_CFGWRITE: 354 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 355 cmd, data, flag, l); 356 357 case WSDISPLAYIO_GET_BUSID: 358 return wsdisplayio_busid_pci(device_parent(sc->sc_dev), 359 sc->sc_pc, sc->sc_pcitag, data); 360 361 case WSDISPLAYIO_GINFO: 362 if (ms == NULL) 363 return ENODEV; 364 wdf = (void *)data; 365 wdf->height = ms->scr_ri.ri_height; 366 wdf->width = ms->scr_ri.ri_width; 367 wdf->depth = 32; 368 wdf->cmsize = 256; 369 return 0; 370 371 case WSDISPLAYIO_GETCMAP: 372 return voyagerfb_getcmap(sc, 373 (struct wsdisplay_cmap *)data); 374 375 case WSDISPLAYIO_PUTCMAP: 376 return voyagerfb_putcmap(sc, 377 (struct wsdisplay_cmap *)data); 378 379 case WSDISPLAYIO_LINEBYTES: 380 *(u_int *)data = sc->sc_stride; 381 return 0; 382 383 case WSDISPLAYIO_SMODE: { 384 int new_mode = *(int*)data; 385 if (new_mode != sc->sc_mode) { 386 sc->sc_mode = new_mode; 387 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 388 #ifdef VOYAGERFB_ANTIALIAS 389 sc->sc_depth = 32; 390 #else 391 sc->sc_depth = 8; 392 #endif 393 glyphcache_wipe(&sc->sc_gc); 394 voyagerfb_init(sc); 395 voyagerfb_restore_palette(sc); 396 vcons_redraw_screen(ms); 397 } else { 398 sc->sc_depth = 32; 399 voyagerfb_init(sc); 400 } 401 } 402 } 403 return 0; 404 405 case WSDISPLAYIO_GVIDEO: 406 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON : 407 WSDISPLAYIO_VIDEO_OFF; 408 return 0; 409 410 case WSDISPLAYIO_SVIDEO: { 411 int new_bl = *(int *)data; 412 413 voyagerfb_switch_backlight(sc, new_bl); 414 } 415 return 0; 416 417 case WSDISPLAYIO_GETPARAM: 418 param = (struct wsdisplay_param *)data; 419 switch (param->param) { 420 case WSDISPLAYIO_PARAM_BRIGHTNESS: 421 param->min = 0; 422 param->max = 255; 423 param->curval = sc->sc_bl_level; 424 return 0; 425 case WSDISPLAYIO_PARAM_BACKLIGHT: 426 param->min = 0; 427 param->max = 1; 428 param->curval = sc->sc_bl_on; 429 return 0; 430 } 431 return EPASSTHROUGH; 432 433 case WSDISPLAYIO_SETPARAM: 434 param = (struct wsdisplay_param *)data; 435 switch (param->param) { 436 case WSDISPLAYIO_PARAM_BRIGHTNESS: 437 voyagerfb_set_backlight(sc, param->curval); 438 return 0; 439 case WSDISPLAYIO_PARAM_BACKLIGHT: 440 voyagerfb_switch_backlight(sc, param->curval); 441 return 0; 442 } 443 return EPASSTHROUGH; 444 445 case WSDISPLAYIO_GCURPOS: 446 { 447 struct wsdisplay_curpos *pos; 448 449 pos = (struct wsdisplay_curpos *)data; 450 pos->x = sc->sc_cur_x; 451 pos->y = sc->sc_cur_y; 452 } 453 return 0; 454 455 case WSDISPLAYIO_SCURPOS: 456 { 457 struct wsdisplay_curpos *pos; 458 459 pos = (struct wsdisplay_curpos *)data; 460 voyagerfb_set_curpos(sc, pos->x, pos->y); 461 } 462 return 0; 463 464 case WSDISPLAYIO_GCURMAX: 465 { 466 struct wsdisplay_curpos *pos; 467 468 pos = (struct wsdisplay_curpos *)data; 469 pos->x = 64; 470 pos->y = 64; 471 } 472 return 0; 473 474 case WSDISPLAYIO_GCURSOR: 475 { 476 struct wsdisplay_cursor *cu; 477 478 cu = (struct wsdisplay_cursor *)data; 479 return voyagerfb_gcursor(sc, cu); 480 } 481 482 case WSDISPLAYIO_SCURSOR: 483 { 484 struct wsdisplay_cursor *cu; 485 486 cu = (struct wsdisplay_cursor *)data; 487 return voyagerfb_scursor(sc, cu); 488 } 489 } 490 return EPASSTHROUGH; 491 } 492 493 static paddr_t 494 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot) 495 { 496 struct vcons_data *vd = v; 497 struct voyagerfb_softc *sc = vd->cookie; 498 paddr_t pa; 499 500 /* 'regular' framebuffer mmap()ing */ 501 if (offset < sc->sc_fbsize) { 502 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 503 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 504 return pa; 505 } 506 507 /* 508 * restrict all other mappings to processes with superuser privileges 509 * or the kernel itself 510 */ 511 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM, 512 NULL, NULL, NULL, NULL) != 0) { 513 aprint_normal("%s: mmap() rejected.\n", 514 device_xname(sc->sc_dev)); 515 return -1; 516 } 517 518 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 519 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 520 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 521 return pa; 522 } 523 524 if ((offset >= sc->sc_reg) && 525 (offset < (sc->sc_reg + sc->sc_regsize))) { 526 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0); 527 return pa; 528 } 529 530 return -1; 531 } 532 533 static void 534 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr, 535 int existing, long *defattr) 536 { 537 struct voyagerfb_softc *sc = cookie; 538 struct rasops_info *ri = &scr->scr_ri; 539 540 ri->ri_depth = sc->sc_depth; 541 ri->ri_width = sc->sc_width; 542 ri->ri_height = sc->sc_height; 543 ri->ri_stride = sc->sc_stride; 544 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 545 546 ri->ri_bits = (char *)sc->sc_fbaddr; 547 548 if (existing) { 549 ri->ri_flg |= RI_CLEAR; 550 } 551 #ifdef VOYAGERFB_ANTIALIAS 552 if (sc->sc_depth == 32) 553 ri->ri_flg |= RI_ENABLE_ALPHA; 554 #endif 555 556 rasops_init(ri, 0, 0); 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 if (FONT_IS_ALPHA(ri->ri_font)) { 569 ri->ri_ops.putchar = voyagerfb_putchar_aa32; 570 } else 571 ri->ri_ops.putchar = voyagerfb_putchar_mono; 572 } 573 574 static int 575 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 576 { 577 u_char *r, *g, *b; 578 u_int index = cm->index; 579 u_int count = cm->count; 580 int i, error; 581 u_char rbuf[256], gbuf[256], bbuf[256]; 582 583 #ifdef VOYAGERFB_DEBUG 584 aprint_debug("putcmap: %d %d\n",index, count); 585 #endif 586 if (cm->index >= 256 || cm->count > 256 || 587 (cm->index + cm->count) > 256) 588 return EINVAL; 589 error = copyin(cm->red, &rbuf[index], count); 590 if (error) 591 return error; 592 error = copyin(cm->green, &gbuf[index], count); 593 if (error) 594 return error; 595 error = copyin(cm->blue, &bbuf[index], count); 596 if (error) 597 return error; 598 599 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 600 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 601 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 602 603 r = &sc->sc_cmap_red[index]; 604 g = &sc->sc_cmap_green[index]; 605 b = &sc->sc_cmap_blue[index]; 606 607 for (i = 0; i < count; i++) { 608 voyagerfb_putpalreg(sc, index, *r, *g, *b); 609 index++; 610 r++, g++, b++; 611 } 612 return 0; 613 } 614 615 static int 616 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 617 { 618 u_int index = cm->index; 619 u_int count = cm->count; 620 int error; 621 622 if (index >= 255 || count > 256 || index + count > 256) 623 return EINVAL; 624 625 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 626 if (error) 627 return error; 628 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 629 if (error) 630 return error; 631 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 632 if (error) 633 return error; 634 635 return 0; 636 } 637 638 static void 639 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 640 { 641 int i; 642 643 for (i = 0; i < (1 << sc->sc_depth); i++) { 644 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 645 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 646 } 647 } 648 649 static int 650 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 651 uint8_t g, uint8_t b) 652 { 653 uint32_t reg; 654 655 reg = (r << 16) | (g << 8) | b; 656 /* XXX we should probably write the CRT palette too */ 657 bus_space_write_4(sc->sc_memt, sc->sc_regh, 658 SM502_PALETTE_PANEL + (idx << 2), reg); 659 return 0; 660 } 661 662 static void 663 voyagerfb_init(struct voyagerfb_softc *sc) 664 { 665 int reg; 666 667 voyagerfb_wait(sc); 668 /* disable colour compare */ 669 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 670 /* allow writes to all planes */ 671 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 672 0xffffffff); 673 /* disable clipping */ 674 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 675 /* source and destination in local memory, no offset */ 676 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 677 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 678 /* pitch is screen stride */ 679 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 680 sc->sc_width | (sc->sc_width << 16)); 681 /* window is screen width */ 682 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 683 sc->sc_width | (sc->sc_width << 16)); 684 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 685 reg &= ~SM502_PDC_DEPTH_MASK; 686 687 switch (sc->sc_depth) { 688 case 8: 689 bus_space_write_4(sc->sc_memt, sc->sc_regh, 690 SM502_STRETCH, SM502_STRETCH_8BIT); 691 sc->sc_stride = sc->sc_width; 692 reg |= SM502_PDC_8BIT; 693 break; 694 case 16: 695 bus_space_write_4(sc->sc_memt, sc->sc_regh, 696 SM502_STRETCH, SM502_STRETCH_16BIT); 697 sc->sc_stride = sc->sc_width << 1; 698 reg |= SM502_PDC_16BIT; 699 break; 700 case 24: 701 case 32: 702 bus_space_write_4(sc->sc_memt, sc->sc_regh, 703 SM502_STRETCH, SM502_STRETCH_32BIT); 704 sc->sc_stride = sc->sc_width << 2; 705 reg |= SM502_PDC_32BIT; 706 break; 707 } 708 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 709 (sc->sc_stride << 16) | sc->sc_stride); 710 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 711 reg); 712 713 /* put the cursor at the end of video memory */ 714 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */ 715 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 716 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, sc->sc_fbh) 717 + sc->sc_cursor_addr); 718 #ifdef VOYAGERFB_DEBUG 719 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 0x00100010); 720 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 0x0000ffff); 721 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 0x0000f800); 722 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 723 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 724 sc->sc_cursor[0] = 0x00000000; 725 sc->sc_cursor[1] = 0x00000000; 726 sc->sc_cursor[2] = 0xffffffff; 727 sc->sc_cursor[3] = 0xffffffff; 728 sc->sc_cursor[4] = 0xaaaaaaaa; 729 sc->sc_cursor[5] = 0xaaaaaaaa; 730 sc->sc_cursor[6] = 0xffffffff; 731 sc->sc_cursor[7] = 0x00000000; 732 #else 733 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 734 sc->sc_cursor_addr); 735 #endif 736 } 737 738 static void 739 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 740 uint32_t colour) 741 { 742 743 voyagerfb_ready(sc); 744 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 745 ROP_COPY | 746 SM502_CTRL_USE_ROP2 | 747 SM502_CTRL_CMD_RECTFILL | 748 SM502_CTRL_QUICKSTART_E); 749 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 750 colour); 751 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 752 (x << 16) | y); 753 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 754 (wi << 16) | he); 755 } 756 757 static void 758 voyagerfb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 759 int wi, int he, int rop) 760 { 761 struct voyagerfb_softc *sc = cookie; 762 uint32_t cmd; 763 764 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 765 SM502_CTRL_QUICKSTART_E; 766 767 voyagerfb_ready(sc); 768 769 if (xd <= xs) { 770 /* left to right */ 771 } else { 772 /* 773 * According to the manual this flag reverses only the blitter's 774 * X direction. At least on my Gdium it also reverses the Y 775 * direction 776 */ 777 cmd |= SM502_CTRL_R_TO_L; 778 xs += wi - 1; 779 xd += wi - 1; 780 ys += he - 1; 781 yd += he - 1; 782 } 783 784 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 785 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 786 (xs << 16) | ys); 787 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 788 (xd << 16) | yd); 789 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 790 (wi << 16) | he); 791 } 792 793 static void 794 voyagerfb_cursor(void *cookie, int on, int row, int col) 795 { 796 struct rasops_info *ri = cookie; 797 struct vcons_screen *scr = ri->ri_hw; 798 struct voyagerfb_softc *sc = scr->scr_cookie; 799 int x, y, wi, he; 800 801 wi = ri->ri_font->fontwidth; 802 he = ri->ri_font->fontheight; 803 804 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 805 x = ri->ri_ccol * wi + ri->ri_xorigin; 806 y = ri->ri_crow * he + ri->ri_yorigin; 807 if (ri->ri_flg & RI_CURSOR) { 808 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 809 ri->ri_flg &= ~RI_CURSOR; 810 } 811 ri->ri_crow = row; 812 ri->ri_ccol = col; 813 if (on) { 814 x = ri->ri_ccol * wi + ri->ri_xorigin; 815 y = ri->ri_crow * he + ri->ri_yorigin; 816 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 817 ri->ri_flg |= RI_CURSOR; 818 } 819 } else { 820 scr->scr_ri.ri_crow = row; 821 scr->scr_ri.ri_ccol = col; 822 scr->scr_ri.ri_flg &= ~RI_CURSOR; 823 } 824 825 } 826 827 static inline void 828 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 829 { 830 uint32_t *port = (uint32_t *)sc->sc_dataport; 831 int i; 832 833 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 834 *port = *data; 835 data++; 836 } 837 } 838 839 static inline void 840 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 841 { 842 uint32_t *port = (uint32_t *)sc->sc_dataport; 843 int i; 844 845 len = len << 1; 846 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 847 *port = *data; 848 data++; 849 } 850 } 851 852 static void 853 voyagerfb_putchar_mono(void *cookie, int row, int col, u_int c, long attr) 854 { 855 struct rasops_info *ri = cookie; 856 struct wsdisplay_font *font = PICK_FONT(ri, c); 857 struct vcons_screen *scr = ri->ri_hw; 858 struct voyagerfb_softc *sc = scr->scr_cookie; 859 uint32_t cmd; 860 int fg, bg; 861 uint8_t *data; 862 int x, y, wi, he; 863 864 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 865 return; 866 867 if (!CHAR_IN_FONT(c, font)) 868 return; 869 870 wi = font->fontwidth; 871 he = font->fontheight; 872 873 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 874 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 875 x = ri->ri_xorigin + col * wi; 876 y = ri->ri_yorigin + row * he; 877 if (c == 0x20) { 878 voyagerfb_rectfill(sc, x, y, wi, he, bg); 879 return; 880 } 881 882 data = WSFONT_GLYPH(c, font); 883 884 cmd = ROP_COPY | 885 SM502_CTRL_USE_ROP2 | 886 SM502_CTRL_CMD_HOSTWRT | 887 SM502_CTRL_HOSTBLT_MONO | 888 SM502_CTRL_QUICKSTART_E | 889 SM502_CTRL_MONO_PACK_32BIT; 890 voyagerfb_ready(sc); 891 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 892 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, fg); 893 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_BACKGROUND, bg); 894 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 895 bus_space_write_4(sc->sc_memt, sc->sc_regh, 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 } 909 910 static void 911 voyagerfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr) 912 { 913 struct rasops_info *ri = cookie; 914 struct wsdisplay_font *font = PICK_FONT(ri, c); 915 struct vcons_screen *scr = ri->ri_hw; 916 struct voyagerfb_softc *sc = scr->scr_cookie; 917 uint32_t cmd; 918 int fg, bg; 919 uint8_t *data; 920 int x, y, wi, he; 921 int i, j, r, g, b, aval, pad; 922 int rf, gf, bf, rb, gb, bb; 923 uint32_t pixel; 924 int rv; 925 926 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 927 return; 928 929 if (!CHAR_IN_FONT(c, font)) 930 return; 931 932 wi = font->fontwidth; 933 he = font->fontheight; 934 935 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 936 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 937 x = ri->ri_xorigin + col * wi; 938 y = ri->ri_yorigin + row * he; 939 if (c == 0x20) { 940 voyagerfb_rectfill(sc, x, y, wi, he, bg); 941 return; 942 } 943 944 data = WSFONT_GLYPH(c, font); 945 /* 946 * we can't accelerate the actual alpha blending but 947 * we can at least use a host blit to go through the 948 * pipeline instead of having to sync the engine 949 */ 950 951 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 952 if (rv == GC_OK) 953 return; 954 955 cmd = ROP_COPY | 956 SM502_CTRL_USE_ROP2 | 957 SM502_CTRL_CMD_HOSTWRT | 958 SM502_CTRL_QUICKSTART_E; 959 voyagerfb_ready(sc); 960 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 961 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 962 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y); 963 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, (wi << 16) | he); 964 rf = (fg >> 16) & 0xff; 965 rb = (bg >> 16) & 0xff; 966 gf = (fg >> 8) & 0xff; 967 gb = (bg >> 8) & 0xff; 968 bf = fg & 0xff; 969 bb = bg & 0xff; 970 pad = wi & 1; 971 for (i = 0; i < he; i++) { 972 for (j = 0; j < wi; j++) { 973 aval = *data; 974 data++; 975 if (aval == 0) { 976 pixel = bg; 977 } else if (aval == 255) { 978 pixel = fg; 979 } else { 980 r = aval * rf + (255 - aval) * rb; 981 g = aval * gf + (255 - aval) * gb; 982 b = aval * bf + (255 - aval) * bb; 983 pixel = (r & 0xff00) << 8 | 984 (g & 0xff00) | 985 (b & 0xff00) >> 8; 986 } 987 bus_space_write_4(sc->sc_memt, sc->sc_regh, 988 SM502_DATAPORT, pixel); 989 } 990 if (pad) 991 bus_space_write_4(sc->sc_memt, sc->sc_regh, 992 SM502_DATAPORT, 0); 993 } 994 if (rv == GC_ADD) { 995 glyphcache_add(&sc->sc_gc, c, x, y); 996 } 997 } 998 999 static void 1000 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1001 { 1002 struct rasops_info *ri = cookie; 1003 struct vcons_screen *scr = ri->ri_hw; 1004 struct voyagerfb_softc *sc = scr->scr_cookie; 1005 int32_t xs, xd, y, width, height; 1006 1007 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1008 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1009 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1010 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1011 width = ri->ri_font->fontwidth * ncols; 1012 height = ri->ri_font->fontheight; 1013 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY); 1014 } 1015 } 1016 1017 static void 1018 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols, 1019 long fillattr) 1020 { 1021 struct rasops_info *ri = cookie; 1022 struct vcons_screen *scr = ri->ri_hw; 1023 struct voyagerfb_softc *sc = scr->scr_cookie; 1024 int32_t x, y, width, height, fg, bg, ul; 1025 1026 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1027 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1028 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1029 width = ri->ri_font->fontwidth * ncols; 1030 height = ri->ri_font->fontheight; 1031 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1032 1033 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1034 } 1035 } 1036 1037 static void 1038 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1039 { 1040 struct rasops_info *ri = cookie; 1041 struct vcons_screen *scr = ri->ri_hw; 1042 struct voyagerfb_softc *sc = scr->scr_cookie; 1043 int32_t x, ys, yd, width, height; 1044 int i; 1045 1046 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1047 x = ri->ri_xorigin; 1048 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1049 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1050 width = ri->ri_emuwidth; 1051 height = ri->ri_font->fontheight * nrows; 1052 if ((nrows > 1) && (dstrow > srcrow)) { 1053 /* 1054 * the blitter can't do bottom-up copies so we have 1055 * to copy line by line here 1056 * should probably use a command sequence 1057 */ 1058 ys += (height - ri->ri_font->fontheight); 1059 yd += (height - ri->ri_font->fontheight); 1060 for (i = 0; i < nrows; i++) { 1061 voyagerfb_bitblt(sc, x, ys, x, yd, width, 1062 ri->ri_font->fontheight, ROP_COPY); 1063 ys -= ri->ri_font->fontheight; 1064 yd -= ri->ri_font->fontheight; 1065 } 1066 } else 1067 voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 1068 ROP_COPY); 1069 } 1070 } 1071 1072 static void 1073 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr) 1074 { 1075 struct rasops_info *ri = cookie; 1076 struct vcons_screen *scr = ri->ri_hw; 1077 struct voyagerfb_softc *sc = scr->scr_cookie; 1078 int32_t x, y, width, height, fg, bg, ul; 1079 1080 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1081 x = ri->ri_xorigin; 1082 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1083 width = ri->ri_emuwidth; 1084 height = ri->ri_font->fontheight * nrows; 1085 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1086 1087 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1088 } 1089 } 1090 1091 /* backlight control */ 1092 static void 1093 voyagerfb_setup_backlight(struct voyagerfb_softc *sc) 1094 { 1095 /* switch the pin to gpio mode if it isn't already */ 1096 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1097 /* turn it on */ 1098 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1099 sc->sc_bl_on = 1; 1100 sc->sc_bl_level = 255; 1101 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 1102 voyagerfb_brightness_up, TRUE); 1103 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 1104 voyagerfb_brightness_down, TRUE); 1105 } 1106 1107 static void 1108 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level) 1109 { 1110 1111 /* 1112 * should we do nothing when backlight is off, should we just store the 1113 * level and use it when turning back on or should we just flip sc_bl_on 1114 * and turn the backlight on? 1115 * For now turn it on so a crashed screensaver can't get the user stuck 1116 * with a dark screen as long as hotkeys work 1117 */ 1118 if (level > 255) level = 255; 1119 if (level < 0) level = 0; 1120 if (level == sc->sc_bl_level) 1121 return; 1122 sc->sc_bl_level = level; 1123 if (sc->sc_bl_on == 0) 1124 sc->sc_bl_on = 1; 1125 /* and here we would actually muck with the hardware */ 1126 if ((level == 0) || (level == 255)) { 1127 /* in these cases bypass the PWM and use the gpio */ 1128 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1129 if (level == 0) { 1130 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1131 } else { 1132 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1133 } 1134 } else { 1135 uint32_t pwm; 1136 1137 pwm = voyager_set_pwm(20000, level * 1000 / 256); 1138 pwm |= SM502_PWM_ENABLE; 1139 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm); 1140 1141 /* let the PWM take over */ 1142 voyager_control_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1143 } 1144 } 1145 1146 static void 1147 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on) 1148 { 1149 1150 if (on == sc->sc_bl_on) 1151 return; 1152 sc->sc_bl_on = on; 1153 if (on) { 1154 int level = sc->sc_bl_level; 1155 1156 sc->sc_bl_level = -1; 1157 voyagerfb_set_backlight(sc, level); 1158 } else { 1159 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1160 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1161 } 1162 } 1163 1164 1165 static void 1166 voyagerfb_brightness_up(device_t dev) 1167 { 1168 struct voyagerfb_softc *sc = device_private(dev); 1169 1170 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8); 1171 } 1172 1173 static void 1174 voyagerfb_brightness_down(device_t dev) 1175 { 1176 struct voyagerfb_softc *sc = device_private(dev); 1177 1178 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8); 1179 } 1180 1181 static int 1182 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y) 1183 { 1184 uint32_t val; 1185 int xx, yy; 1186 1187 sc->sc_cur_x = x; 1188 sc->sc_cur_y = y; 1189 1190 xx = x - sc->sc_hot_x; 1191 yy = y - sc->sc_hot_y; 1192 1193 if (xx < 0) xx = abs(xx) | 0x800; 1194 if (yy < 0) yy = abs(yy) | 0x800; 1195 1196 val = (xx & 0xffff) | (yy << 16); 1197 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val); 1198 1199 return 0; 1200 } 1201 1202 static int 1203 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1204 { 1205 /* do nothing for now */ 1206 return 0; 1207 } 1208 1209 static int 1210 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1211 { 1212 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1213 1214 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1215 SM502_PANEL_CRSR_ADDR, 1216 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0)); 1217 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 1218 } 1219 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1220 1221 sc->sc_hot_x = cur->hot.x; 1222 sc->sc_hot_y = cur->hot.y; 1223 } 1224 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1225 1226 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y); 1227 } 1228 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1229 int i, idx; 1230 uint32_t val; 1231 1232 for (i = 0; i < cur->cmap.count; i++) { 1233 val = ((cur->cmap.red[i] & 0xf8) << 8) | 1234 ((cur->cmap.green[i] & 0xfc) << 3) | 1235 ((cur->cmap.blue[i] & 0xf8) >> 3); 1236 idx = i + cur->cmap.index; 1237 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1238 SM502_PANEL_CRSR_COL12 + (idx << 1), 1239 val); 1240 /* 1241 * if userland doesn't try to set the 3rd colour we 1242 * assume it expects an X11-style 2 colour cursor 1243 * X should be our main user anyway 1244 */ 1245 if ((idx == 1) && 1246 ((cur->cmap.count + cur->cmap.index) < 3)) { 1247 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1248 SM502_PANEL_CRSR_COL3, 1249 val); 1250 } 1251 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index, val); 1252 } 1253 } 1254 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1255 1256 int i, j, cnt = 0; 1257 uint32_t latch = 0, omask; 1258 uint8_t imask; 1259 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y); 1260 for (i = 0; i < 256; i++) { 1261 omask = 0x00000001; 1262 imask = 0x01; 1263 cur->image[cnt] &= cur->mask[cnt]; 1264 for (j = 0; j < 8; j++) { 1265 if (cur->mask[cnt] & imask) 1266 latch |= omask; 1267 omask <<= 1; 1268 if (cur->image[cnt] & imask) 1269 latch |= omask; 1270 omask <<= 1; 1271 imask <<= 1; 1272 } 1273 cnt++; 1274 imask = 0x01; 1275 cur->image[cnt] &= cur->mask[cnt]; 1276 for (j = 0; j < 8; j++) { 1277 if (cur->mask[cnt] & imask) 1278 latch |= omask; 1279 omask <<= 1; 1280 if (cur->image[cnt] & imask) 1281 latch |= omask; 1282 omask <<= 1; 1283 imask <<= 1; 1284 } 1285 cnt++; 1286 sc->sc_cursor[i] = latch; 1287 latch = 0; 1288 } 1289 } 1290 return 0; 1291 } 1292
Indexes created Tue Sep 30 17:09:57 GMT 2025