voyagerfb.c revision 1.7.2.4
1 /* $NetBSD: voyagerfb.c,v 1.7.2.4 2012/10/30 17:21:56 yamt 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 1.7.2.4 2012/10/30 17:21:56 yamt 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 /* XXX these are 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 if (sc->sc_console_screen.scr_ri.ri_rows == 0) { 294 /* do some minimal setup to avoid weirdness later */ 295 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr); 296 } 297 } 298 glyphcache_init(&sc->sc_gc, sc->sc_height, 299 (sc->sc_fbsize / sc->sc_stride) - sc->sc_height, 300 sc->sc_width, 301 ri->ri_font->fontwidth, 302 ri->ri_font->fontheight, 303 defattr); 304 if (is_console) 305 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 306 defattr); 307 308 j = 0; 309 if (sc->sc_depth <= 8) { 310 for (i = 0; i < (1 << sc->sc_depth); i++) { 311 312 sc->sc_cmap_red[i] = rasops_cmap[j]; 313 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 314 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 315 voyagerfb_putpalreg(sc, i, rasops_cmap[j], 316 rasops_cmap[j + 1], rasops_cmap[j + 2]); 317 j += 3; 318 } 319 } 320 321 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 322 ri->ri_devcmap[(defattr >> 16) & 0xff]); 323 324 if (is_console) 325 vcons_replay_msgbuf(&sc->sc_console_screen); 326 327 aa.console = is_console; 328 aa.scrdata = &sc->sc_screenlist; 329 aa.accessops = &voyagerfb_accessops; 330 aa.accesscookie = &sc->vd; 331 332 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 333 } 334 335 static int 336 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 337 struct lwp *l) 338 { 339 struct vcons_data *vd = v; 340 struct voyagerfb_softc *sc = vd->cookie; 341 struct wsdisplay_fbinfo *wdf; 342 struct vcons_screen *ms = vd->active; 343 struct wsdisplay_param *param; 344 345 switch (cmd) { 346 case WSDISPLAYIO_GTYPE: 347 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 348 return 0; 349 350 /* PCI config read/write pass through. */ 351 case PCI_IOC_CFGREAD: 352 case PCI_IOC_CFGWRITE: 353 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 354 cmd, data, flag, l); 355 356 case WSDISPLAYIO_GET_BUSID: 357 return wsdisplayio_busid_pci(device_parent(sc->sc_dev), 358 sc->sc_pc, sc->sc_pcitag, data); 359 360 case WSDISPLAYIO_GINFO: 361 if (ms == NULL) 362 return ENODEV; 363 wdf = (void *)data; 364 wdf->height = ms->scr_ri.ri_height; 365 wdf->width = ms->scr_ri.ri_width; 366 wdf->depth = 32; 367 wdf->cmsize = 256; 368 return 0; 369 370 case WSDISPLAYIO_GETCMAP: 371 return voyagerfb_getcmap(sc, 372 (struct wsdisplay_cmap *)data); 373 374 case WSDISPLAYIO_PUTCMAP: 375 return voyagerfb_putcmap(sc, 376 (struct wsdisplay_cmap *)data); 377 378 case WSDISPLAYIO_LINEBYTES: 379 *(u_int *)data = sc->sc_stride; 380 return 0; 381 382 case WSDISPLAYIO_SMODE: { 383 int new_mode = *(int*)data; 384 if (new_mode != sc->sc_mode) { 385 sc->sc_mode = new_mode; 386 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 387 #ifdef VOYAGERFB_ANTIALIAS 388 sc->sc_depth = 32; 389 #else 390 sc->sc_depth = 8; 391 #endif 392 glyphcache_wipe(&sc->sc_gc); 393 voyagerfb_init(sc); 394 voyagerfb_restore_palette(sc); 395 vcons_redraw_screen(ms); 396 } else { 397 sc->sc_depth = 32; 398 voyagerfb_init(sc); 399 } 400 } 401 } 402 return 0; 403 404 case WSDISPLAYIO_GVIDEO: 405 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON : 406 WSDISPLAYIO_VIDEO_OFF; 407 return 0; 408 409 case WSDISPLAYIO_SVIDEO: { 410 int new_bl = *(int *)data; 411 412 voyagerfb_switch_backlight(sc, new_bl); 413 } 414 return 0; 415 416 case WSDISPLAYIO_GETPARAM: 417 param = (struct wsdisplay_param *)data; 418 switch (param->param) { 419 case WSDISPLAYIO_PARAM_BRIGHTNESS: 420 param->min = 0; 421 param->max = 255; 422 param->curval = sc->sc_bl_level; 423 return 0; 424 case WSDISPLAYIO_PARAM_BACKLIGHT: 425 param->min = 0; 426 param->max = 1; 427 param->curval = sc->sc_bl_on; 428 return 0; 429 } 430 return EPASSTHROUGH; 431 432 case WSDISPLAYIO_SETPARAM: 433 param = (struct wsdisplay_param *)data; 434 switch (param->param) { 435 case WSDISPLAYIO_PARAM_BRIGHTNESS: 436 voyagerfb_set_backlight(sc, param->curval); 437 return 0; 438 case WSDISPLAYIO_PARAM_BACKLIGHT: 439 voyagerfb_switch_backlight(sc, param->curval); 440 return 0; 441 } 442 return EPASSTHROUGH; 443 444 case WSDISPLAYIO_GCURPOS: 445 { 446 struct wsdisplay_curpos *pos; 447 448 pos = (struct wsdisplay_curpos *)data; 449 pos->x = sc->sc_cur_x; 450 pos->y = sc->sc_cur_y; 451 } 452 return 0; 453 454 case WSDISPLAYIO_SCURPOS: 455 { 456 struct wsdisplay_curpos *pos; 457 458 pos = (struct wsdisplay_curpos *)data; 459 voyagerfb_set_curpos(sc, pos->x, pos->y); 460 } 461 return 0; 462 463 case WSDISPLAYIO_GCURMAX: 464 { 465 struct wsdisplay_curpos *pos; 466 467 pos = (struct wsdisplay_curpos *)data; 468 pos->x = 64; 469 pos->y = 64; 470 } 471 return 0; 472 473 case WSDISPLAYIO_GCURSOR: 474 { 475 struct wsdisplay_cursor *cu; 476 477 cu = (struct wsdisplay_cursor *)data; 478 return voyagerfb_gcursor(sc, cu); 479 } 480 481 case WSDISPLAYIO_SCURSOR: 482 { 483 struct wsdisplay_cursor *cu; 484 485 cu = (struct wsdisplay_cursor *)data; 486 return voyagerfb_scursor(sc, cu); 487 } 488 } 489 return EPASSTHROUGH; 490 } 491 492 static paddr_t 493 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot) 494 { 495 struct vcons_data *vd = v; 496 struct voyagerfb_softc *sc = vd->cookie; 497 paddr_t pa; 498 499 /* 'regular' framebuffer mmap()ing */ 500 if (offset < sc->sc_fbsize) { 501 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 502 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 503 return pa; 504 } 505 506 /* 507 * restrict all other mappings to processes with privileges 508 */ 509 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM, 510 NULL, NULL, NULL, NULL) != 0) { 511 aprint_normal("%s: mmap() rejected.\n", 512 device_xname(sc->sc_dev)); 513 return -1; 514 } 515 516 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 517 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 518 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 519 return pa; 520 } 521 522 if ((offset >= sc->sc_reg) && 523 (offset < (sc->sc_reg + sc->sc_regsize))) { 524 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0); 525 return pa; 526 } 527 528 return -1; 529 } 530 531 static void 532 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr, 533 int existing, long *defattr) 534 { 535 struct voyagerfb_softc *sc = cookie; 536 struct rasops_info *ri = &scr->scr_ri; 537 538 ri->ri_depth = sc->sc_depth; 539 ri->ri_width = sc->sc_width; 540 ri->ri_height = sc->sc_height; 541 ri->ri_stride = sc->sc_stride; 542 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 543 544 ri->ri_bits = (char *)sc->sc_fbaddr; 545 546 if (existing) { 547 ri->ri_flg |= RI_CLEAR; 548 } 549 550 if (sc->sc_depth == 32) { 551 #ifdef VOYAGERFB_ANTIALIAS 552 ri->ri_flg |= RI_ENABLE_ALPHA; 553 #endif 554 /* we always run in RGB */ 555 ri->ri_rnum = 8; 556 ri->ri_gnum = 8; 557 ri->ri_bnum = 8; 558 ri->ri_rpos = 16; 559 ri->ri_gpos = 8; 560 ri->ri_bpos = 0; 561 } 562 563 rasops_init(ri, 0, 0); 564 ri->ri_caps = WSSCREEN_WSCOLORS; 565 566 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 567 sc->sc_width / ri->ri_font->fontwidth); 568 569 ri->ri_hw = scr; 570 ri->ri_ops.copyrows = voyagerfb_copyrows; 571 ri->ri_ops.copycols = voyagerfb_copycols; 572 ri->ri_ops.eraserows = voyagerfb_eraserows; 573 ri->ri_ops.erasecols = voyagerfb_erasecols; 574 ri->ri_ops.cursor = voyagerfb_cursor; 575 if (FONT_IS_ALPHA(ri->ri_font)) { 576 ri->ri_ops.putchar = voyagerfb_putchar_aa32; 577 } else 578 ri->ri_ops.putchar = voyagerfb_putchar_mono; 579 } 580 581 static int 582 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 583 { 584 u_char *r, *g, *b; 585 u_int index = cm->index; 586 u_int count = cm->count; 587 int i, error; 588 u_char rbuf[256], gbuf[256], bbuf[256]; 589 590 #ifdef VOYAGERFB_DEBUG 591 aprint_debug("putcmap: %d %d\n",index, count); 592 #endif 593 if (cm->index >= 256 || cm->count > 256 || 594 (cm->index + cm->count) > 256) 595 return EINVAL; 596 error = copyin(cm->red, &rbuf[index], count); 597 if (error) 598 return error; 599 error = copyin(cm->green, &gbuf[index], count); 600 if (error) 601 return error; 602 error = copyin(cm->blue, &bbuf[index], count); 603 if (error) 604 return error; 605 606 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 607 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 608 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 609 610 r = &sc->sc_cmap_red[index]; 611 g = &sc->sc_cmap_green[index]; 612 b = &sc->sc_cmap_blue[index]; 613 614 for (i = 0; i < count; i++) { 615 voyagerfb_putpalreg(sc, index, *r, *g, *b); 616 index++; 617 r++, g++, b++; 618 } 619 return 0; 620 } 621 622 static int 623 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 624 { 625 u_int index = cm->index; 626 u_int count = cm->count; 627 int error; 628 629 if (index >= 255 || count > 256 || index + count > 256) 630 return EINVAL; 631 632 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 633 if (error) 634 return error; 635 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 636 if (error) 637 return error; 638 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 639 if (error) 640 return error; 641 642 return 0; 643 } 644 645 static void 646 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 647 { 648 int i; 649 650 for (i = 0; i < (1 << sc->sc_depth); i++) { 651 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 652 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 653 } 654 } 655 656 static int 657 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 658 uint8_t g, uint8_t b) 659 { 660 uint32_t reg; 661 662 reg = (r << 16) | (g << 8) | b; 663 /* XXX we should probably write the CRT palette too */ 664 bus_space_write_4(sc->sc_memt, sc->sc_regh, 665 SM502_PALETTE_PANEL + (idx << 2), reg); 666 return 0; 667 } 668 669 static void 670 voyagerfb_init(struct voyagerfb_softc *sc) 671 { 672 int reg; 673 674 voyagerfb_wait(sc); 675 /* disable colour compare */ 676 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 677 /* allow writes to all planes */ 678 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 679 0xffffffff); 680 /* disable clipping */ 681 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 682 /* source and destination in local memory, no offset */ 683 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 684 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 685 /* pitch is screen stride */ 686 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 687 sc->sc_width | (sc->sc_width << 16)); 688 /* window is screen width */ 689 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 690 sc->sc_width | (sc->sc_width << 16)); 691 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 692 reg &= ~SM502_PDC_DEPTH_MASK; 693 694 switch (sc->sc_depth) { 695 case 8: 696 bus_space_write_4(sc->sc_memt, sc->sc_regh, 697 SM502_STRETCH, SM502_STRETCH_8BIT); 698 sc->sc_stride = sc->sc_width; 699 reg |= SM502_PDC_8BIT; 700 break; 701 case 16: 702 bus_space_write_4(sc->sc_memt, sc->sc_regh, 703 SM502_STRETCH, SM502_STRETCH_16BIT); 704 sc->sc_stride = sc->sc_width << 1; 705 reg |= SM502_PDC_16BIT; 706 break; 707 case 24: 708 case 32: 709 bus_space_write_4(sc->sc_memt, sc->sc_regh, 710 SM502_STRETCH, SM502_STRETCH_32BIT); 711 sc->sc_stride = sc->sc_width << 2; 712 reg |= SM502_PDC_32BIT; 713 break; 714 } 715 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 716 (sc->sc_stride << 16) | sc->sc_stride); 717 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 718 reg); 719 720 /* put the cursor at the end of video memory */ 721 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */ 722 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 723 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, sc->sc_fbh) 724 + sc->sc_cursor_addr); 725 #ifdef VOYAGERFB_DEBUG 726 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 0x00100010); 727 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 0x0000ffff); 728 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 0x0000f800); 729 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 730 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 731 sc->sc_cursor[0] = 0x00000000; 732 sc->sc_cursor[1] = 0x00000000; 733 sc->sc_cursor[2] = 0xffffffff; 734 sc->sc_cursor[3] = 0xffffffff; 735 sc->sc_cursor[4] = 0xaaaaaaaa; 736 sc->sc_cursor[5] = 0xaaaaaaaa; 737 sc->sc_cursor[6] = 0xffffffff; 738 sc->sc_cursor[7] = 0x00000000; 739 #else 740 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 741 sc->sc_cursor_addr); 742 #endif 743 } 744 745 static void 746 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 747 uint32_t colour) 748 { 749 750 voyagerfb_ready(sc); 751 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 752 ROP_COPY | 753 SM502_CTRL_USE_ROP2 | 754 SM502_CTRL_CMD_RECTFILL | 755 SM502_CTRL_QUICKSTART_E); 756 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 757 colour); 758 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 759 (x << 16) | y); 760 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 761 (wi << 16) | he); 762 } 763 764 static void 765 voyagerfb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 766 int wi, int he, int rop) 767 { 768 struct voyagerfb_softc *sc = cookie; 769 uint32_t cmd; 770 771 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 772 SM502_CTRL_QUICKSTART_E; 773 774 voyagerfb_ready(sc); 775 776 if (xd <= xs) { 777 /* left to right */ 778 } else { 779 /* 780 * According to the manual this flag reverses only the blitter's 781 * X direction. At least on my Gdium it also reverses the Y 782 * direction 783 */ 784 cmd |= SM502_CTRL_R_TO_L; 785 xs += wi - 1; 786 xd += wi - 1; 787 ys += he - 1; 788 yd += he - 1; 789 } 790 791 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 792 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 793 (xs << 16) | ys); 794 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 795 (xd << 16) | yd); 796 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 797 (wi << 16) | he); 798 } 799 800 static void 801 voyagerfb_cursor(void *cookie, int on, int row, int col) 802 { 803 struct rasops_info *ri = cookie; 804 struct vcons_screen *scr = ri->ri_hw; 805 struct voyagerfb_softc *sc = scr->scr_cookie; 806 int x, y, wi, he; 807 808 wi = ri->ri_font->fontwidth; 809 he = ri->ri_font->fontheight; 810 811 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 812 x = ri->ri_ccol * wi + ri->ri_xorigin; 813 y = ri->ri_crow * he + ri->ri_yorigin; 814 if (ri->ri_flg & RI_CURSOR) { 815 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 816 ri->ri_flg &= ~RI_CURSOR; 817 } 818 ri->ri_crow = row; 819 ri->ri_ccol = col; 820 if (on) { 821 x = ri->ri_ccol * wi + ri->ri_xorigin; 822 y = ri->ri_crow * he + ri->ri_yorigin; 823 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 824 ri->ri_flg |= RI_CURSOR; 825 } 826 } else { 827 scr->scr_ri.ri_crow = row; 828 scr->scr_ri.ri_ccol = col; 829 scr->scr_ri.ri_flg &= ~RI_CURSOR; 830 } 831 832 } 833 834 static inline void 835 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 836 { 837 uint32_t *port = (uint32_t *)sc->sc_dataport; 838 int i; 839 840 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 841 *port = *data; 842 data++; 843 } 844 } 845 846 static inline void 847 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 848 { 849 uint32_t *port = (uint32_t *)sc->sc_dataport; 850 int i; 851 852 len = len << 1; 853 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 854 *port = *data; 855 data++; 856 } 857 } 858 859 static void 860 voyagerfb_putchar_mono(void *cookie, int row, int col, u_int c, long attr) 861 { 862 struct rasops_info *ri = cookie; 863 struct wsdisplay_font *font = PICK_FONT(ri, c); 864 struct vcons_screen *scr = ri->ri_hw; 865 struct voyagerfb_softc *sc = scr->scr_cookie; 866 uint32_t cmd; 867 int fg, bg; 868 uint8_t *data; 869 int x, y, wi, he; 870 871 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 872 return; 873 874 if (!CHAR_IN_FONT(c, font)) 875 return; 876 877 wi = font->fontwidth; 878 he = font->fontheight; 879 880 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 881 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 882 x = ri->ri_xorigin + col * wi; 883 y = ri->ri_yorigin + row * he; 884 if (c == 0x20) { 885 voyagerfb_rectfill(sc, x, y, wi, he, bg); 886 return; 887 } 888 889 data = WSFONT_GLYPH(c, font); 890 891 cmd = ROP_COPY | 892 SM502_CTRL_USE_ROP2 | 893 SM502_CTRL_CMD_HOSTWRT | 894 SM502_CTRL_HOSTBLT_MONO | 895 SM502_CTRL_QUICKSTART_E | 896 SM502_CTRL_MONO_PACK_32BIT; 897 voyagerfb_ready(sc); 898 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 899 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, fg); 900 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_BACKGROUND, bg); 901 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 902 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y); 903 bus_space_write_4(sc->sc_memt, sc->sc_regh, 904 SM502_DIMENSION, (wi << 16) | he); 905 /* now feed the data, padded to 32bit */ 906 switch (ri->ri_font->stride) { 907 case 1: 908 voyagerfb_feed8(sc, data, ri->ri_fontscale); 909 break; 910 case 2: 911 voyagerfb_feed16(sc, (uint16_t *)data, 912 ri->ri_fontscale); 913 break; 914 } 915 } 916 917 static void 918 voyagerfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr) 919 { 920 struct rasops_info *ri = cookie; 921 struct wsdisplay_font *font = PICK_FONT(ri, c); 922 struct vcons_screen *scr = ri->ri_hw; 923 struct voyagerfb_softc *sc = scr->scr_cookie; 924 uint32_t cmd; 925 int fg, bg; 926 uint8_t *data; 927 int x, y, wi, he; 928 int i, j, r, g, b, aval, pad; 929 int rf, gf, bf, rb, gb, bb; 930 uint32_t pixel; 931 int rv; 932 933 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 934 return; 935 936 if (!CHAR_IN_FONT(c, font)) 937 return; 938 939 wi = font->fontwidth; 940 he = font->fontheight; 941 942 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 943 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 944 x = ri->ri_xorigin + col * wi; 945 y = ri->ri_yorigin + row * he; 946 if (c == 0x20) { 947 voyagerfb_rectfill(sc, x, y, wi, he, bg); 948 return; 949 } 950 951 data = WSFONT_GLYPH(c, font); 952 /* 953 * we can't accelerate the actual alpha blending but 954 * we can at least use a host blit to go through the 955 * pipeline instead of having to sync the engine 956 */ 957 958 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 959 if (rv == GC_OK) 960 return; 961 962 cmd = ROP_COPY | 963 SM502_CTRL_USE_ROP2 | 964 SM502_CTRL_CMD_HOSTWRT | 965 SM502_CTRL_QUICKSTART_E; 966 voyagerfb_ready(sc); 967 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 968 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 969 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y); 970 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, (wi << 16) | he); 971 rf = (fg >> 16) & 0xff; 972 rb = (bg >> 16) & 0xff; 973 gf = (fg >> 8) & 0xff; 974 gb = (bg >> 8) & 0xff; 975 bf = fg & 0xff; 976 bb = bg & 0xff; 977 pad = wi & 1; 978 for (i = 0; i < he; i++) { 979 for (j = 0; j < wi; j++) { 980 aval = *data; 981 data++; 982 if (aval == 0) { 983 pixel = bg; 984 } else if (aval == 255) { 985 pixel = fg; 986 } else { 987 r = aval * rf + (255 - aval) * rb; 988 g = aval * gf + (255 - aval) * gb; 989 b = aval * bf + (255 - aval) * bb; 990 pixel = (r & 0xff00) << 8 | 991 (g & 0xff00) | 992 (b & 0xff00) >> 8; 993 } 994 bus_space_write_4(sc->sc_memt, sc->sc_regh, 995 SM502_DATAPORT, pixel); 996 } 997 if (pad) 998 bus_space_write_4(sc->sc_memt, sc->sc_regh, 999 SM502_DATAPORT, 0); 1000 } 1001 if (rv == GC_ADD) { 1002 glyphcache_add(&sc->sc_gc, c, x, y); 1003 } 1004 } 1005 1006 static void 1007 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1008 { 1009 struct rasops_info *ri = cookie; 1010 struct vcons_screen *scr = ri->ri_hw; 1011 struct voyagerfb_softc *sc = scr->scr_cookie; 1012 int32_t xs, xd, y, width, height; 1013 1014 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1015 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1016 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1017 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1018 width = ri->ri_font->fontwidth * ncols; 1019 height = ri->ri_font->fontheight; 1020 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY); 1021 } 1022 } 1023 1024 static void 1025 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols, 1026 long fillattr) 1027 { 1028 struct rasops_info *ri = cookie; 1029 struct vcons_screen *scr = ri->ri_hw; 1030 struct voyagerfb_softc *sc = scr->scr_cookie; 1031 int32_t x, y, width, height, fg, bg, ul; 1032 1033 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1034 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1035 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1036 width = ri->ri_font->fontwidth * ncols; 1037 height = ri->ri_font->fontheight; 1038 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1039 1040 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1041 } 1042 } 1043 1044 static void 1045 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1046 { 1047 struct rasops_info *ri = cookie; 1048 struct vcons_screen *scr = ri->ri_hw; 1049 struct voyagerfb_softc *sc = scr->scr_cookie; 1050 int32_t x, ys, yd, width, height; 1051 int i; 1052 1053 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1054 x = ri->ri_xorigin; 1055 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1056 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1057 width = ri->ri_emuwidth; 1058 height = ri->ri_font->fontheight * nrows; 1059 if ((nrows > 1) && (dstrow > srcrow)) { 1060 /* 1061 * the blitter can't do bottom-up copies so we have 1062 * to copy line by line here 1063 * should probably use a command sequence 1064 */ 1065 ys += (height - ri->ri_font->fontheight); 1066 yd += (height - ri->ri_font->fontheight); 1067 for (i = 0; i < nrows; i++) { 1068 voyagerfb_bitblt(sc, x, ys, x, yd, width, 1069 ri->ri_font->fontheight, ROP_COPY); 1070 ys -= ri->ri_font->fontheight; 1071 yd -= ri->ri_font->fontheight; 1072 } 1073 } else 1074 voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 1075 ROP_COPY); 1076 } 1077 } 1078 1079 static void 1080 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr) 1081 { 1082 struct rasops_info *ri = cookie; 1083 struct vcons_screen *scr = ri->ri_hw; 1084 struct voyagerfb_softc *sc = scr->scr_cookie; 1085 int32_t x, y, width, height, fg, bg, ul; 1086 1087 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1088 x = ri->ri_xorigin; 1089 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1090 width = ri->ri_emuwidth; 1091 height = ri->ri_font->fontheight * nrows; 1092 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1093 1094 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1095 } 1096 } 1097 1098 /* backlight control */ 1099 static void 1100 voyagerfb_setup_backlight(struct voyagerfb_softc *sc) 1101 { 1102 /* switch the pin to gpio mode if it isn't already */ 1103 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1104 /* turn it on */ 1105 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1106 sc->sc_bl_on = 1; 1107 sc->sc_bl_level = 255; 1108 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 1109 voyagerfb_brightness_up, TRUE); 1110 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 1111 voyagerfb_brightness_down, TRUE); 1112 } 1113 1114 static void 1115 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level) 1116 { 1117 1118 /* 1119 * should we do nothing when backlight is off, should we just store the 1120 * level and use it when turning back on or should we just flip sc_bl_on 1121 * and turn the backlight on? 1122 * For now turn it on so a crashed screensaver can't get the user stuck 1123 * with a dark screen as long as hotkeys work 1124 */ 1125 if (level > 255) level = 255; 1126 if (level < 0) level = 0; 1127 if (level == sc->sc_bl_level) 1128 return; 1129 sc->sc_bl_level = level; 1130 if (sc->sc_bl_on == 0) 1131 sc->sc_bl_on = 1; 1132 /* and here we would actually muck with the hardware */ 1133 if ((level == 0) || (level == 255)) { 1134 /* in these cases bypass the PWM and use the gpio */ 1135 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1136 if (level == 0) { 1137 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1138 } else { 1139 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1140 } 1141 } else { 1142 uint32_t pwm; 1143 1144 pwm = voyager_set_pwm(20000, level * 1000 / 256); 1145 pwm |= SM502_PWM_ENABLE; 1146 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm); 1147 1148 /* let the PWM take over */ 1149 voyager_control_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1150 } 1151 } 1152 1153 static void 1154 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on) 1155 { 1156 1157 if (on == sc->sc_bl_on) 1158 return; 1159 sc->sc_bl_on = on; 1160 if (on) { 1161 int level = sc->sc_bl_level; 1162 1163 sc->sc_bl_level = -1; 1164 voyagerfb_set_backlight(sc, level); 1165 } else { 1166 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1167 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1168 } 1169 } 1170 1171 1172 static void 1173 voyagerfb_brightness_up(device_t dev) 1174 { 1175 struct voyagerfb_softc *sc = device_private(dev); 1176 1177 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8); 1178 } 1179 1180 static void 1181 voyagerfb_brightness_down(device_t dev) 1182 { 1183 struct voyagerfb_softc *sc = device_private(dev); 1184 1185 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8); 1186 } 1187 1188 static int 1189 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y) 1190 { 1191 uint32_t val; 1192 int xx, yy; 1193 1194 sc->sc_cur_x = x; 1195 sc->sc_cur_y = y; 1196 1197 xx = x - sc->sc_hot_x; 1198 yy = y - sc->sc_hot_y; 1199 1200 if (xx < 0) xx = abs(xx) | 0x800; 1201 if (yy < 0) yy = abs(yy) | 0x800; 1202 1203 val = (xx & 0xffff) | (yy << 16); 1204 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val); 1205 1206 return 0; 1207 } 1208 1209 static int 1210 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1211 { 1212 /* do nothing for now */ 1213 return 0; 1214 } 1215 1216 static int 1217 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1218 { 1219 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1220 1221 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1222 SM502_PANEL_CRSR_ADDR, 1223 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0)); 1224 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 1225 } 1226 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1227 1228 sc->sc_hot_x = cur->hot.x; 1229 sc->sc_hot_y = cur->hot.y; 1230 } 1231 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1232 1233 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y); 1234 } 1235 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1236 int i, idx; 1237 uint32_t val; 1238 1239 for (i = 0; i < cur->cmap.count; i++) { 1240 val = ((cur->cmap.red[i] & 0xf8) << 8) | 1241 ((cur->cmap.green[i] & 0xfc) << 3) | 1242 ((cur->cmap.blue[i] & 0xf8) >> 3); 1243 idx = i + cur->cmap.index; 1244 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1245 SM502_PANEL_CRSR_COL12 + (idx << 1), 1246 val); 1247 /* 1248 * if userland doesn't try to set the 3rd colour we 1249 * assume it expects an X11-style 2 colour cursor 1250 * X should be our main user anyway 1251 */ 1252 if ((idx == 1) && 1253 ((cur->cmap.count + cur->cmap.index) < 3)) { 1254 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1255 SM502_PANEL_CRSR_COL3, 1256 val); 1257 } 1258 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index, val); 1259 } 1260 } 1261 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1262 1263 int i, j, cnt = 0; 1264 uint32_t latch = 0, omask; 1265 uint8_t imask; 1266 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y); 1267 for (i = 0; i < 256; i++) { 1268 omask = 0x00000001; 1269 imask = 0x01; 1270 cur->image[cnt] &= cur->mask[cnt]; 1271 for (j = 0; j < 8; j++) { 1272 if (cur->mask[cnt] & imask) 1273 latch |= omask; 1274 omask <<= 1; 1275 if (cur->image[cnt] & imask) 1276 latch |= omask; 1277 omask <<= 1; 1278 imask <<= 1; 1279 } 1280 cnt++; 1281 imask = 0x01; 1282 cur->image[cnt] &= cur->mask[cnt]; 1283 for (j = 0; j < 8; j++) { 1284 if (cur->mask[cnt] & imask) 1285 latch |= omask; 1286 omask <<= 1; 1287 if (cur->image[cnt] & imask) 1288 latch |= omask; 1289 omask <<= 1; 1290 imask <<= 1; 1291 } 1292 cnt++; 1293 sc->sc_cursor[i] = latch; 1294 latch = 0; 1295 } 1296 } 1297 return 0; 1298 } 1299
Indexes created Wed Oct 15 16:09:53 GMT 2025