voyagerfb.c revision 1.20
1 /* $NetBSD: voyagerfb.c,v 1.20 2012/04/19 09:03:01 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 1.20 2012/04/19 09:03:01 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_fbsize / sc->sc_stride) - sc->sc_height, 301 sc->sc_width, 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 } 551 552 if (sc->sc_depth == 32) { 553 #ifdef VOYAGERFB_ANTIALIAS 554 ri->ri_flg |= RI_ENABLE_ALPHA; 555 #endif 556 /* we always run in RGB */ 557 ri->ri_rnum = 8; 558 ri->ri_gnum = 8; 559 ri->ri_bnum = 8; 560 ri->ri_rpos = 16; 561 ri->ri_gpos = 8; 562 ri->ri_bpos = 0; 563 } 564 565 rasops_init(ri, 0, 0); 566 ri->ri_caps = WSSCREEN_WSCOLORS; 567 568 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 569 sc->sc_width / ri->ri_font->fontwidth); 570 571 ri->ri_hw = scr; 572 ri->ri_ops.copyrows = voyagerfb_copyrows; 573 ri->ri_ops.copycols = voyagerfb_copycols; 574 ri->ri_ops.eraserows = voyagerfb_eraserows; 575 ri->ri_ops.erasecols = voyagerfb_erasecols; 576 ri->ri_ops.cursor = voyagerfb_cursor; 577 if (FONT_IS_ALPHA(ri->ri_font)) { 578 ri->ri_ops.putchar = voyagerfb_putchar_aa32; 579 } else 580 ri->ri_ops.putchar = voyagerfb_putchar_mono; 581 } 582 583 static int 584 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 585 { 586 u_char *r, *g, *b; 587 u_int index = cm->index; 588 u_int count = cm->count; 589 int i, error; 590 u_char rbuf[256], gbuf[256], bbuf[256]; 591 592 #ifdef VOYAGERFB_DEBUG 593 aprint_debug("putcmap: %d %d\n",index, count); 594 #endif 595 if (cm->index >= 256 || cm->count > 256 || 596 (cm->index + cm->count) > 256) 597 return EINVAL; 598 error = copyin(cm->red, &rbuf[index], count); 599 if (error) 600 return error; 601 error = copyin(cm->green, &gbuf[index], count); 602 if (error) 603 return error; 604 error = copyin(cm->blue, &bbuf[index], count); 605 if (error) 606 return error; 607 608 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 609 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 610 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 611 612 r = &sc->sc_cmap_red[index]; 613 g = &sc->sc_cmap_green[index]; 614 b = &sc->sc_cmap_blue[index]; 615 616 for (i = 0; i < count; i++) { 617 voyagerfb_putpalreg(sc, index, *r, *g, *b); 618 index++; 619 r++, g++, b++; 620 } 621 return 0; 622 } 623 624 static int 625 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 626 { 627 u_int index = cm->index; 628 u_int count = cm->count; 629 int error; 630 631 if (index >= 255 || count > 256 || index + count > 256) 632 return EINVAL; 633 634 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 635 if (error) 636 return error; 637 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 638 if (error) 639 return error; 640 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 641 if (error) 642 return error; 643 644 return 0; 645 } 646 647 static void 648 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 649 { 650 int i; 651 652 for (i = 0; i < (1 << sc->sc_depth); i++) { 653 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 654 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 655 } 656 } 657 658 static int 659 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 660 uint8_t g, uint8_t b) 661 { 662 uint32_t reg; 663 664 reg = (r << 16) | (g << 8) | b; 665 /* XXX we should probably write the CRT palette too */ 666 bus_space_write_4(sc->sc_memt, sc->sc_regh, 667 SM502_PALETTE_PANEL + (idx << 2), reg); 668 return 0; 669 } 670 671 static void 672 voyagerfb_init(struct voyagerfb_softc *sc) 673 { 674 int reg; 675 676 voyagerfb_wait(sc); 677 /* disable colour compare */ 678 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 679 /* allow writes to all planes */ 680 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 681 0xffffffff); 682 /* disable clipping */ 683 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 684 /* source and destination in local memory, no offset */ 685 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 686 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 687 /* pitch is screen stride */ 688 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 689 sc->sc_width | (sc->sc_width << 16)); 690 /* window is screen width */ 691 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 692 sc->sc_width | (sc->sc_width << 16)); 693 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 694 reg &= ~SM502_PDC_DEPTH_MASK; 695 696 switch (sc->sc_depth) { 697 case 8: 698 bus_space_write_4(sc->sc_memt, sc->sc_regh, 699 SM502_STRETCH, SM502_STRETCH_8BIT); 700 sc->sc_stride = sc->sc_width; 701 reg |= SM502_PDC_8BIT; 702 break; 703 case 16: 704 bus_space_write_4(sc->sc_memt, sc->sc_regh, 705 SM502_STRETCH, SM502_STRETCH_16BIT); 706 sc->sc_stride = sc->sc_width << 1; 707 reg |= SM502_PDC_16BIT; 708 break; 709 case 24: 710 case 32: 711 bus_space_write_4(sc->sc_memt, sc->sc_regh, 712 SM502_STRETCH, SM502_STRETCH_32BIT); 713 sc->sc_stride = sc->sc_width << 2; 714 reg |= SM502_PDC_32BIT; 715 break; 716 } 717 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 718 (sc->sc_stride << 16) | sc->sc_stride); 719 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 720 reg); 721 722 /* put the cursor at the end of video memory */ 723 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */ 724 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 725 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, sc->sc_fbh) 726 + sc->sc_cursor_addr); 727 #ifdef VOYAGERFB_DEBUG 728 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 0x00100010); 729 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 0x0000ffff); 730 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 0x0000f800); 731 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 732 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 733 sc->sc_cursor[0] = 0x00000000; 734 sc->sc_cursor[1] = 0x00000000; 735 sc->sc_cursor[2] = 0xffffffff; 736 sc->sc_cursor[3] = 0xffffffff; 737 sc->sc_cursor[4] = 0xaaaaaaaa; 738 sc->sc_cursor[5] = 0xaaaaaaaa; 739 sc->sc_cursor[6] = 0xffffffff; 740 sc->sc_cursor[7] = 0x00000000; 741 #else 742 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 743 sc->sc_cursor_addr); 744 #endif 745 } 746 747 static void 748 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 749 uint32_t colour) 750 { 751 752 voyagerfb_ready(sc); 753 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 754 ROP_COPY | 755 SM502_CTRL_USE_ROP2 | 756 SM502_CTRL_CMD_RECTFILL | 757 SM502_CTRL_QUICKSTART_E); 758 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 759 colour); 760 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 761 (x << 16) | y); 762 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 763 (wi << 16) | he); 764 } 765 766 static void 767 voyagerfb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 768 int wi, int he, int rop) 769 { 770 struct voyagerfb_softc *sc = cookie; 771 uint32_t cmd; 772 773 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 774 SM502_CTRL_QUICKSTART_E; 775 776 voyagerfb_ready(sc); 777 778 if (xd <= xs) { 779 /* left to right */ 780 } else { 781 /* 782 * According to the manual this flag reverses only the blitter's 783 * X direction. At least on my Gdium it also reverses the Y 784 * direction 785 */ 786 cmd |= SM502_CTRL_R_TO_L; 787 xs += wi - 1; 788 xd += wi - 1; 789 ys += he - 1; 790 yd += he - 1; 791 } 792 793 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 794 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 795 (xs << 16) | ys); 796 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 797 (xd << 16) | yd); 798 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 799 (wi << 16) | he); 800 } 801 802 static void 803 voyagerfb_cursor(void *cookie, int on, int row, int col) 804 { 805 struct rasops_info *ri = cookie; 806 struct vcons_screen *scr = ri->ri_hw; 807 struct voyagerfb_softc *sc = scr->scr_cookie; 808 int x, y, wi, he; 809 810 wi = ri->ri_font->fontwidth; 811 he = ri->ri_font->fontheight; 812 813 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 814 x = ri->ri_ccol * wi + ri->ri_xorigin; 815 y = ri->ri_crow * he + ri->ri_yorigin; 816 if (ri->ri_flg & RI_CURSOR) { 817 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 818 ri->ri_flg &= ~RI_CURSOR; 819 } 820 ri->ri_crow = row; 821 ri->ri_ccol = col; 822 if (on) { 823 x = ri->ri_ccol * wi + ri->ri_xorigin; 824 y = ri->ri_crow * he + ri->ri_yorigin; 825 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 826 ri->ri_flg |= RI_CURSOR; 827 } 828 } else { 829 scr->scr_ri.ri_crow = row; 830 scr->scr_ri.ri_ccol = col; 831 scr->scr_ri.ri_flg &= ~RI_CURSOR; 832 } 833 834 } 835 836 static inline void 837 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 838 { 839 uint32_t *port = (uint32_t *)sc->sc_dataport; 840 int i; 841 842 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 843 *port = *data; 844 data++; 845 } 846 } 847 848 static inline void 849 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 850 { 851 uint32_t *port = (uint32_t *)sc->sc_dataport; 852 int i; 853 854 len = len << 1; 855 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 856 *port = *data; 857 data++; 858 } 859 } 860 861 static void 862 voyagerfb_putchar_mono(void *cookie, int row, int col, u_int c, long attr) 863 { 864 struct rasops_info *ri = cookie; 865 struct wsdisplay_font *font = PICK_FONT(ri, c); 866 struct vcons_screen *scr = ri->ri_hw; 867 struct voyagerfb_softc *sc = scr->scr_cookie; 868 uint32_t cmd; 869 int fg, bg; 870 uint8_t *data; 871 int x, y, wi, he; 872 873 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 874 return; 875 876 if (!CHAR_IN_FONT(c, font)) 877 return; 878 879 wi = font->fontwidth; 880 he = font->fontheight; 881 882 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 883 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 884 x = ri->ri_xorigin + col * wi; 885 y = ri->ri_yorigin + row * he; 886 if (c == 0x20) { 887 voyagerfb_rectfill(sc, x, y, wi, he, bg); 888 return; 889 } 890 891 data = WSFONT_GLYPH(c, font); 892 893 cmd = ROP_COPY | 894 SM502_CTRL_USE_ROP2 | 895 SM502_CTRL_CMD_HOSTWRT | 896 SM502_CTRL_HOSTBLT_MONO | 897 SM502_CTRL_QUICKSTART_E | 898 SM502_CTRL_MONO_PACK_32BIT; 899 voyagerfb_ready(sc); 900 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 901 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, fg); 902 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_BACKGROUND, bg); 903 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 904 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y); 905 bus_space_write_4(sc->sc_memt, sc->sc_regh, 906 SM502_DIMENSION, (wi << 16) | he); 907 /* now feed the data, padded to 32bit */ 908 switch (ri->ri_font->stride) { 909 case 1: 910 voyagerfb_feed8(sc, data, ri->ri_fontscale); 911 break; 912 case 2: 913 voyagerfb_feed16(sc, (uint16_t *)data, 914 ri->ri_fontscale); 915 break; 916 } 917 } 918 919 static void 920 voyagerfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr) 921 { 922 struct rasops_info *ri = cookie; 923 struct wsdisplay_font *font = PICK_FONT(ri, c); 924 struct vcons_screen *scr = ri->ri_hw; 925 struct voyagerfb_softc *sc = scr->scr_cookie; 926 uint32_t cmd; 927 int fg, bg; 928 uint8_t *data; 929 int x, y, wi, he; 930 int i, j, r, g, b, aval, pad; 931 int rf, gf, bf, rb, gb, bb; 932 uint32_t pixel; 933 int rv; 934 935 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 936 return; 937 938 if (!CHAR_IN_FONT(c, font)) 939 return; 940 941 wi = font->fontwidth; 942 he = font->fontheight; 943 944 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 945 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 946 x = ri->ri_xorigin + col * wi; 947 y = ri->ri_yorigin + row * he; 948 if (c == 0x20) { 949 voyagerfb_rectfill(sc, x, y, wi, he, bg); 950 return; 951 } 952 953 data = WSFONT_GLYPH(c, font); 954 /* 955 * we can't accelerate the actual alpha blending but 956 * we can at least use a host blit to go through the 957 * pipeline instead of having to sync the engine 958 */ 959 960 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 961 if (rv == GC_OK) 962 return; 963 964 cmd = ROP_COPY | 965 SM502_CTRL_USE_ROP2 | 966 SM502_CTRL_CMD_HOSTWRT | 967 SM502_CTRL_QUICKSTART_E; 968 voyagerfb_ready(sc); 969 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 970 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 971 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y); 972 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, (wi << 16) | he); 973 rf = (fg >> 16) & 0xff; 974 rb = (bg >> 16) & 0xff; 975 gf = (fg >> 8) & 0xff; 976 gb = (bg >> 8) & 0xff; 977 bf = fg & 0xff; 978 bb = bg & 0xff; 979 pad = wi & 1; 980 for (i = 0; i < he; i++) { 981 for (j = 0; j < wi; j++) { 982 aval = *data; 983 data++; 984 if (aval == 0) { 985 pixel = bg; 986 } else if (aval == 255) { 987 pixel = fg; 988 } else { 989 r = aval * rf + (255 - aval) * rb; 990 g = aval * gf + (255 - aval) * gb; 991 b = aval * bf + (255 - aval) * bb; 992 pixel = (r & 0xff00) << 8 | 993 (g & 0xff00) | 994 (b & 0xff00) >> 8; 995 } 996 bus_space_write_4(sc->sc_memt, sc->sc_regh, 997 SM502_DATAPORT, pixel); 998 } 999 if (pad) 1000 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1001 SM502_DATAPORT, 0); 1002 } 1003 if (rv == GC_ADD) { 1004 glyphcache_add(&sc->sc_gc, c, x, y); 1005 } 1006 } 1007 1008 static void 1009 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1010 { 1011 struct rasops_info *ri = cookie; 1012 struct vcons_screen *scr = ri->ri_hw; 1013 struct voyagerfb_softc *sc = scr->scr_cookie; 1014 int32_t xs, xd, y, width, height; 1015 1016 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1017 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1018 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1019 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1020 width = ri->ri_font->fontwidth * ncols; 1021 height = ri->ri_font->fontheight; 1022 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY); 1023 } 1024 } 1025 1026 static void 1027 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols, 1028 long fillattr) 1029 { 1030 struct rasops_info *ri = cookie; 1031 struct vcons_screen *scr = ri->ri_hw; 1032 struct voyagerfb_softc *sc = scr->scr_cookie; 1033 int32_t x, y, width, height, fg, bg, ul; 1034 1035 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1036 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1037 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1038 width = ri->ri_font->fontwidth * ncols; 1039 height = ri->ri_font->fontheight; 1040 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1041 1042 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1043 } 1044 } 1045 1046 static void 1047 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1048 { 1049 struct rasops_info *ri = cookie; 1050 struct vcons_screen *scr = ri->ri_hw; 1051 struct voyagerfb_softc *sc = scr->scr_cookie; 1052 int32_t x, ys, yd, width, height; 1053 int i; 1054 1055 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1056 x = ri->ri_xorigin; 1057 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1058 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1059 width = ri->ri_emuwidth; 1060 height = ri->ri_font->fontheight * nrows; 1061 if ((nrows > 1) && (dstrow > srcrow)) { 1062 /* 1063 * the blitter can't do bottom-up copies so we have 1064 * to copy line by line here 1065 * should probably use a command sequence 1066 */ 1067 ys += (height - ri->ri_font->fontheight); 1068 yd += (height - ri->ri_font->fontheight); 1069 for (i = 0; i < nrows; i++) { 1070 voyagerfb_bitblt(sc, x, ys, x, yd, width, 1071 ri->ri_font->fontheight, ROP_COPY); 1072 ys -= ri->ri_font->fontheight; 1073 yd -= ri->ri_font->fontheight; 1074 } 1075 } else 1076 voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 1077 ROP_COPY); 1078 } 1079 } 1080 1081 static void 1082 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr) 1083 { 1084 struct rasops_info *ri = cookie; 1085 struct vcons_screen *scr = ri->ri_hw; 1086 struct voyagerfb_softc *sc = scr->scr_cookie; 1087 int32_t x, y, width, height, fg, bg, ul; 1088 1089 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1090 x = ri->ri_xorigin; 1091 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1092 width = ri->ri_emuwidth; 1093 height = ri->ri_font->fontheight * nrows; 1094 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1095 1096 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1097 } 1098 } 1099 1100 /* backlight control */ 1101 static void 1102 voyagerfb_setup_backlight(struct voyagerfb_softc *sc) 1103 { 1104 /* switch the pin to gpio mode if it isn't already */ 1105 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1106 /* turn it on */ 1107 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1108 sc->sc_bl_on = 1; 1109 sc->sc_bl_level = 255; 1110 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 1111 voyagerfb_brightness_up, TRUE); 1112 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 1113 voyagerfb_brightness_down, TRUE); 1114 } 1115 1116 static void 1117 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level) 1118 { 1119 1120 /* 1121 * should we do nothing when backlight is off, should we just store the 1122 * level and use it when turning back on or should we just flip sc_bl_on 1123 * and turn the backlight on? 1124 * For now turn it on so a crashed screensaver can't get the user stuck 1125 * with a dark screen as long as hotkeys work 1126 */ 1127 if (level > 255) level = 255; 1128 if (level < 0) level = 0; 1129 if (level == sc->sc_bl_level) 1130 return; 1131 sc->sc_bl_level = level; 1132 if (sc->sc_bl_on == 0) 1133 sc->sc_bl_on = 1; 1134 /* and here we would actually muck with the hardware */ 1135 if ((level == 0) || (level == 255)) { 1136 /* in these cases bypass the PWM and use the gpio */ 1137 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1138 if (level == 0) { 1139 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1140 } else { 1141 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1142 } 1143 } else { 1144 uint32_t pwm; 1145 1146 pwm = voyager_set_pwm(20000, level * 1000 / 256); 1147 pwm |= SM502_PWM_ENABLE; 1148 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm); 1149 1150 /* let the PWM take over */ 1151 voyager_control_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1152 } 1153 } 1154 1155 static void 1156 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on) 1157 { 1158 1159 if (on == sc->sc_bl_on) 1160 return; 1161 sc->sc_bl_on = on; 1162 if (on) { 1163 int level = sc->sc_bl_level; 1164 1165 sc->sc_bl_level = -1; 1166 voyagerfb_set_backlight(sc, level); 1167 } else { 1168 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1169 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1170 } 1171 } 1172 1173 1174 static void 1175 voyagerfb_brightness_up(device_t dev) 1176 { 1177 struct voyagerfb_softc *sc = device_private(dev); 1178 1179 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8); 1180 } 1181 1182 static void 1183 voyagerfb_brightness_down(device_t dev) 1184 { 1185 struct voyagerfb_softc *sc = device_private(dev); 1186 1187 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8); 1188 } 1189 1190 static int 1191 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y) 1192 { 1193 uint32_t val; 1194 int xx, yy; 1195 1196 sc->sc_cur_x = x; 1197 sc->sc_cur_y = y; 1198 1199 xx = x - sc->sc_hot_x; 1200 yy = y - sc->sc_hot_y; 1201 1202 if (xx < 0) xx = abs(xx) | 0x800; 1203 if (yy < 0) yy = abs(yy) | 0x800; 1204 1205 val = (xx & 0xffff) | (yy << 16); 1206 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val); 1207 1208 return 0; 1209 } 1210 1211 static int 1212 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1213 { 1214 /* do nothing for now */ 1215 return 0; 1216 } 1217 1218 static int 1219 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1220 { 1221 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1222 1223 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1224 SM502_PANEL_CRSR_ADDR, 1225 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0)); 1226 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 1227 } 1228 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1229 1230 sc->sc_hot_x = cur->hot.x; 1231 sc->sc_hot_y = cur->hot.y; 1232 } 1233 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1234 1235 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y); 1236 } 1237 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1238 int i, idx; 1239 uint32_t val; 1240 1241 for (i = 0; i < cur->cmap.count; i++) { 1242 val = ((cur->cmap.red[i] & 0xf8) << 8) | 1243 ((cur->cmap.green[i] & 0xfc) << 3) | 1244 ((cur->cmap.blue[i] & 0xf8) >> 3); 1245 idx = i + cur->cmap.index; 1246 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1247 SM502_PANEL_CRSR_COL12 + (idx << 1), 1248 val); 1249 /* 1250 * if userland doesn't try to set the 3rd colour we 1251 * assume it expects an X11-style 2 colour cursor 1252 * X should be our main user anyway 1253 */ 1254 if ((idx == 1) && 1255 ((cur->cmap.count + cur->cmap.index) < 3)) { 1256 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1257 SM502_PANEL_CRSR_COL3, 1258 val); 1259 } 1260 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index, val); 1261 } 1262 } 1263 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1264 1265 int i, j, cnt = 0; 1266 uint32_t latch = 0, omask; 1267 uint8_t imask; 1268 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y); 1269 for (i = 0; i < 256; i++) { 1270 omask = 0x00000001; 1271 imask = 0x01; 1272 cur->image[cnt] &= cur->mask[cnt]; 1273 for (j = 0; j < 8; j++) { 1274 if (cur->mask[cnt] & imask) 1275 latch |= omask; 1276 omask <<= 1; 1277 if (cur->image[cnt] & imask) 1278 latch |= omask; 1279 omask <<= 1; 1280 imask <<= 1; 1281 } 1282 cnt++; 1283 imask = 0x01; 1284 cur->image[cnt] &= cur->mask[cnt]; 1285 for (j = 0; j < 8; j++) { 1286 if (cur->mask[cnt] & imask) 1287 latch |= omask; 1288 omask <<= 1; 1289 if (cur->image[cnt] & imask) 1290 latch |= omask; 1291 omask <<= 1; 1292 imask <<= 1; 1293 } 1294 cnt++; 1295 sc->sc_cursor[i] = latch; 1296 latch = 0; 1297 } 1298 } 1299 return 0; 1300 } 1301
Indexes created Tue Sep 30 17:09:57 GMT 2025