voyagerfb.c revision 1.32
1 /* $NetBSD: voyagerfb.c,v 1.32 2021/05/21 20:23:35 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 1.32 2021/05/21 20:23:35 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 /* 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_putchar_aa8(void *, int, int, u_int, long); 148 static void voyagerfb_copycols(void *, int, int, int, int); 149 static void voyagerfb_erasecols(void *, int, int, int, long); 150 static void voyagerfb_copyrows(void *, int, int, int); 151 static void voyagerfb_eraserows(void *, int, int, long); 152 153 static int voyagerfb_set_curpos(struct voyagerfb_softc *, int, int); 154 static int voyagerfb_gcursor(struct voyagerfb_softc *, 155 struct wsdisplay_cursor *); 156 static int voyagerfb_scursor(struct voyagerfb_softc *, 157 struct wsdisplay_cursor *); 158 159 struct wsdisplay_accessops voyagerfb_accessops = { 160 voyagerfb_ioctl, 161 voyagerfb_mmap, 162 NULL, /* alloc_screen */ 163 NULL, /* free_screen */ 164 NULL, /* show_screen */ 165 NULL, /* load_font */ 166 NULL, /* pollc */ 167 NULL /* scroll */ 168 }; 169 170 static void voyagerfb_setup_backlight(struct voyagerfb_softc *); 171 static void voyagerfb_brightness_up(device_t); 172 static void voyagerfb_brightness_down(device_t); 173 /* set backlight level */ 174 static void voyagerfb_set_backlight(struct voyagerfb_softc *, int); 175 /* turn backlight on and off without messing with the level */ 176 static void voyagerfb_switch_backlight(struct voyagerfb_softc *, int); 177 178 /* wait for FIFO empty so we can feed it another command */ 179 static inline void 180 voyagerfb_ready(struct voyagerfb_softc *sc) 181 { 182 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 183 SM502_SYSTEM_CTRL) & SM502_SYSCTL_FIFO_EMPTY) == 0); 184 } 185 186 /* wait for the drawing engine to be idle */ 187 static inline void 188 voyagerfb_wait(struct voyagerfb_softc *sc) 189 { 190 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 191 SM502_SYSTEM_CTRL) & SM502_SYSCTL_ENGINE_BUSY) != 0); 192 } 193 194 static int 195 voyagerfb_match(device_t parent, cfdata_t match, void *aux) 196 { 197 struct voyager_attach_args *vaa = (struct voyager_attach_args *)aux; 198 199 if (strcmp(vaa->vaa_name, "voyagerfb") == 0) return 100; 200 return 0; 201 } 202 203 static void 204 voyagerfb_attach(device_t parent, device_t self, void *aux) 205 { 206 struct voyagerfb_softc *sc = device_private(self); 207 struct voyager_attach_args *vaa = aux; 208 struct rasops_info *ri; 209 struct wsemuldisplaydev_attach_args aa; 210 prop_dictionary_t dict; 211 unsigned long defattr; 212 uint32_t reg; 213 bool is_console; 214 int i, j; 215 uint8_t cmap[768]; 216 217 sc->sc_pc = vaa->vaa_pc; 218 sc->sc_pcitag = vaa->vaa_pcitag; 219 sc->sc_memt = vaa->vaa_tag; 220 sc->sc_dev = self; 221 222 aprint_normal("\n"); 223 224 dict = device_properties(self); 225 prop_dictionary_get_bool(dict, "is_console", &is_console); 226 227 sc->sc_fb = vaa->vaa_mem_pa; 228 sc->sc_fbh = vaa->vaa_memh; 229 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 230 231 sc->sc_reg = vaa->vaa_reg_pa; 232 sc->sc_regh = vaa->vaa_regh; 233 sc->sc_regsize = 2 * 1024 * 1024; 234 sc->sc_dataport = bus_space_vaddr(sc->sc_memt, sc->sc_regh); 235 sc->sc_dataport += SM502_DATAPORT; 236 237 sc->sc_gpio_cookie = device_private(parent); 238 239 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_DRAM_CONTROL); 240 switch(reg & 0x0000e000) { 241 case SM502_MEM_2M: 242 sc->sc_fbsize = 2 * 1024 * 1024; 243 break; 244 case SM502_MEM_4M: 245 sc->sc_fbsize = 4 * 1024 * 1024; 246 break; 247 case SM502_MEM_8M: 248 sc->sc_fbsize = 8 * 1024 * 1024; 249 break; 250 case SM502_MEM_16M: 251 sc->sc_fbsize = 16 * 1024 * 1024; 252 break; 253 case SM502_MEM_32M: 254 sc->sc_fbsize = 32 * 1024 * 1024; 255 break; 256 case SM502_MEM_64M: 257 sc->sc_fbsize = 64 * 1024 * 1024; 258 break; 259 } 260 261 sc->sc_width = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 262 SM502_PANEL_FB_WIDTH) & SM502_FBW_WIN_WIDTH_MASK) >> 16; 263 sc->sc_height = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 264 SM502_PANEL_FB_HEIGHT) & SM502_FBH_WIN_HEIGHT_MASK) >> 16; 265 266 #ifdef VOYAGERFB_DEPTH_32 267 sc->sc_depth = 32; 268 #else 269 sc->sc_depth = 8; 270 #endif 271 272 /* 273 * XXX yeah, casting the fb address to uint32_t is formally wrong 274 * but as far as I know there are no SM502 with 64bit BARs 275 */ 276 aprint_normal_dev(self, "%d MB video memory at 0x%08x\n", 277 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 278 279 /* init engine here */ 280 voyagerfb_init(sc); 281 282 aprint_normal_dev(self, "%d x %d, %d bit, stride %d\n", 283 sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride); 284 285 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 286 "default", 287 0, 0, 288 NULL, 289 8, 16, 290 WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | 291 WSSCREEN_RESIZE, 292 NULL 293 }; 294 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 295 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 296 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 297 sc->sc_locked = 0; 298 299 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 300 &voyagerfb_accessops); 301 sc->vd.init_screen = voyagerfb_init_screen; 302 sc->vd.show_screen_cookie = &sc->sc_gc; 303 sc->vd.show_screen_cb = glyphcache_adapt; 304 305 /* backlight control */ 306 voyagerfb_setup_backlight(sc); 307 308 ri = &sc->sc_console_screen.scr_ri; 309 310 sc->sc_gc.gc_bitblt = voyagerfb_bitblt; 311 sc->sc_gc.gc_blitcookie = sc; 312 sc->sc_gc.gc_rop = ROP_COPY; 313 if (is_console) { 314 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 315 &defattr); 316 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 317 318 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 319 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 320 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 321 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 322 } else { 323 if (sc->sc_console_screen.scr_ri.ri_rows == 0) { 324 /* do some minimal setup to avoid weirdness later */ 325 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 326 &defattr); 327 } else 328 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 329 } 330 glyphcache_init(&sc->sc_gc, sc->sc_height, 331 ((sc->sc_fbsize - 16 * 64) / sc->sc_stride) - 332 sc->sc_height, 333 sc->sc_width, 334 ri->ri_font->fontwidth, 335 ri->ri_font->fontheight, 336 defattr); 337 if (is_console) 338 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 339 defattr); 340 341 rasops_get_cmap(ri, cmap, sizeof(cmap)); 342 j = 0; 343 if (sc->sc_depth <= 8) { 344 for (i = 0; i < 256; i++) { 345 346 sc->sc_cmap_red[i] = cmap[j]; 347 sc->sc_cmap_green[i] = cmap[j + 1]; 348 sc->sc_cmap_blue[i] = cmap[j + 2]; 349 voyagerfb_putpalreg(sc, i, cmap[j], cmap[j + 1], 350 cmap[j + 2]); 351 j += 3; 352 } 353 } 354 355 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 356 ri->ri_devcmap[(defattr >> 16) & 0xff]); 357 358 if (is_console) 359 vcons_replay_msgbuf(&sc->sc_console_screen); 360 361 aa.console = is_console; 362 aa.scrdata = &sc->sc_screenlist; 363 aa.accessops = &voyagerfb_accessops; 364 aa.accesscookie = &sc->vd; 365 366 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint, 367 CFARG_IATTR, "wsemuldisplaydev", 368 CFARG_EOL); 369 } 370 371 static int 372 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 373 struct lwp *l) 374 { 375 struct vcons_data *vd = v; 376 struct voyagerfb_softc *sc = vd->cookie; 377 struct wsdisplay_fbinfo *wdf; 378 struct vcons_screen *ms = vd->active; 379 struct wsdisplay_param *param; 380 381 switch (cmd) { 382 case WSDISPLAYIO_GTYPE: 383 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 384 return 0; 385 386 /* PCI config read/write pass through. */ 387 case PCI_IOC_CFGREAD: 388 case PCI_IOC_CFGWRITE: 389 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 390 cmd, data, flag, l); 391 392 case WSDISPLAYIO_GET_BUSID: 393 return wsdisplayio_busid_pci(device_parent(sc->sc_dev), 394 sc->sc_pc, sc->sc_pcitag, data); 395 396 case WSDISPLAYIO_GINFO: 397 if (ms == NULL) 398 return ENODEV; 399 wdf = (void *)data; 400 wdf->height = ms->scr_ri.ri_height; 401 wdf->width = ms->scr_ri.ri_width; 402 wdf->depth = 32; 403 wdf->cmsize = 256; 404 return 0; 405 406 case WSDISPLAYIO_GETCMAP: 407 return voyagerfb_getcmap(sc, 408 (struct wsdisplay_cmap *)data); 409 410 case WSDISPLAYIO_PUTCMAP: 411 return voyagerfb_putcmap(sc, 412 (struct wsdisplay_cmap *)data); 413 414 case WSDISPLAYIO_LINEBYTES: 415 *(u_int *)data = sc->sc_stride; 416 return 0; 417 418 case WSDISPLAYIO_SMODE: { 419 int new_mode = *(int*)data; 420 if (new_mode != sc->sc_mode) { 421 sc->sc_mode = new_mode; 422 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 423 #ifdef VOYAGERFB_DEPTH_32 424 sc->sc_depth = 32; 425 #else 426 sc->sc_depth = 8; 427 #endif 428 glyphcache_wipe(&sc->sc_gc); 429 voyagerfb_init(sc); 430 voyagerfb_restore_palette(sc); 431 vcons_redraw_screen(ms); 432 } else { 433 sc->sc_depth = 32; 434 voyagerfb_init(sc); 435 } 436 } 437 } 438 return 0; 439 440 case WSDISPLAYIO_GVIDEO: 441 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON : 442 WSDISPLAYIO_VIDEO_OFF; 443 return 0; 444 445 case WSDISPLAYIO_SVIDEO: { 446 int new_bl = *(int *)data; 447 448 voyagerfb_switch_backlight(sc, new_bl); 449 } 450 return 0; 451 452 case WSDISPLAYIO_GETPARAM: 453 param = (struct wsdisplay_param *)data; 454 switch (param->param) { 455 case WSDISPLAYIO_PARAM_BRIGHTNESS: 456 param->min = 0; 457 param->max = 255; 458 param->curval = sc->sc_bl_level; 459 return 0; 460 case WSDISPLAYIO_PARAM_BACKLIGHT: 461 param->min = 0; 462 param->max = 1; 463 param->curval = sc->sc_bl_on; 464 return 0; 465 } 466 return EPASSTHROUGH; 467 468 case WSDISPLAYIO_SETPARAM: 469 param = (struct wsdisplay_param *)data; 470 switch (param->param) { 471 case WSDISPLAYIO_PARAM_BRIGHTNESS: 472 voyagerfb_set_backlight(sc, param->curval); 473 return 0; 474 case WSDISPLAYIO_PARAM_BACKLIGHT: 475 voyagerfb_switch_backlight(sc, param->curval); 476 return 0; 477 } 478 return EPASSTHROUGH; 479 480 case WSDISPLAYIO_GCURPOS: 481 { 482 struct wsdisplay_curpos *pos; 483 484 pos = (struct wsdisplay_curpos *)data; 485 pos->x = sc->sc_cur_x; 486 pos->y = sc->sc_cur_y; 487 } 488 return 0; 489 490 case WSDISPLAYIO_SCURPOS: 491 { 492 struct wsdisplay_curpos *pos; 493 494 pos = (struct wsdisplay_curpos *)data; 495 voyagerfb_set_curpos(sc, pos->x, pos->y); 496 } 497 return 0; 498 499 case WSDISPLAYIO_GCURMAX: 500 { 501 struct wsdisplay_curpos *pos; 502 503 pos = (struct wsdisplay_curpos *)data; 504 pos->x = 64; 505 pos->y = 64; 506 } 507 return 0; 508 509 case WSDISPLAYIO_GCURSOR: 510 { 511 struct wsdisplay_cursor *cu; 512 513 cu = (struct wsdisplay_cursor *)data; 514 return voyagerfb_gcursor(sc, cu); 515 } 516 517 case WSDISPLAYIO_SCURSOR: 518 { 519 struct wsdisplay_cursor *cu; 520 521 cu = (struct wsdisplay_cursor *)data; 522 return voyagerfb_scursor(sc, cu); 523 } 524 525 case WSDISPLAYIO_GET_FBINFO: 526 { 527 struct wsdisplayio_fbinfo *fbi = data; 528 return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi); 529 } 530 } 531 return EPASSTHROUGH; 532 } 533 534 static paddr_t 535 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot) 536 { 537 struct vcons_data *vd = v; 538 struct voyagerfb_softc *sc = vd->cookie; 539 paddr_t pa; 540 541 /* 'regular' framebuffer mmap()ing */ 542 if (offset < sc->sc_fbsize) { 543 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 544 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 545 return pa; 546 } 547 548 /* 549 * restrict all other mappings to processes with privileges 550 */ 551 if (kauth_authorize_machdep(kauth_cred_get(), 552 KAUTH_MACHDEP_UNMANAGEDMEM, NULL, NULL, NULL, NULL) != 0) { 553 aprint_normal("%s: mmap() rejected.\n", 554 device_xname(sc->sc_dev)); 555 return -1; 556 } 557 558 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 559 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 560 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 561 return pa; 562 } 563 564 if ((offset >= sc->sc_reg) && 565 (offset < (sc->sc_reg + sc->sc_regsize))) { 566 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0); 567 return pa; 568 } 569 570 return -1; 571 } 572 573 static void 574 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr, 575 int existing, long *defattr) 576 { 577 struct voyagerfb_softc *sc = cookie; 578 struct rasops_info *ri = &scr->scr_ri; 579 580 ri->ri_depth = sc->sc_depth; 581 ri->ri_width = sc->sc_width; 582 ri->ri_height = sc->sc_height; 583 ri->ri_stride = sc->sc_stride; 584 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 585 586 ri->ri_bits = (char *)sc->sc_fbaddr; 587 588 if (existing) { 589 ri->ri_flg |= RI_CLEAR; 590 } 591 592 if (sc->sc_depth == 8) { 593 ri->ri_flg |= RI_8BIT_IS_RGB; 594 #ifdef VOYAGERFB_ANTIALIAS 595 ri->ri_flg |= RI_ENABLE_ALPHA | RI_PREFER_ALPHA; 596 #endif 597 } 598 if (sc->sc_depth == 32) { 599 #ifdef VOYAGERFB_ANTIALIAS 600 ri->ri_flg |= RI_ENABLE_ALPHA; 601 #endif 602 /* we always run in RGB */ 603 ri->ri_rnum = 8; 604 ri->ri_gnum = 8; 605 ri->ri_bnum = 8; 606 ri->ri_rpos = 16; 607 ri->ri_gpos = 8; 608 ri->ri_bpos = 0; 609 } 610 611 scr->scr_flags |= VCONS_LOADFONT; 612 613 rasops_init(ri, 0, 0); 614 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | 615 WSSCREEN_RESIZE; 616 617 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 618 sc->sc_width / ri->ri_font->fontwidth); 619 620 ri->ri_hw = scr; 621 ri->ri_ops.copyrows = voyagerfb_copyrows; 622 ri->ri_ops.copycols = voyagerfb_copycols; 623 ri->ri_ops.eraserows = voyagerfb_eraserows; 624 ri->ri_ops.erasecols = voyagerfb_erasecols; 625 ri->ri_ops.cursor = voyagerfb_cursor; 626 if (FONT_IS_ALPHA(ri->ri_font)) { 627 switch (sc->sc_depth) { 628 case 32: 629 ri->ri_ops.putchar = voyagerfb_putchar_aa32; 630 break; 631 case 8: 632 ri->ri_ops.putchar = voyagerfb_putchar_aa8; 633 break; 634 default: 635 printf("alpha font at %d!?\n", sc->sc_depth); 636 } 637 } else 638 ri->ri_ops.putchar = voyagerfb_putchar_mono; 639 } 640 641 static int 642 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 643 { 644 u_char *r, *g, *b; 645 u_int index = cm->index; 646 u_int count = cm->count; 647 int i, error; 648 u_char rbuf[256], gbuf[256], bbuf[256]; 649 650 #ifdef VOYAGERFB_DEBUG 651 aprint_debug("putcmap: %d %d\n",index, count); 652 #endif 653 if (cm->index >= 256 || cm->count > 256 || 654 (cm->index + cm->count) > 256) 655 return EINVAL; 656 error = copyin(cm->red, &rbuf[index], count); 657 if (error) 658 return error; 659 error = copyin(cm->green, &gbuf[index], count); 660 if (error) 661 return error; 662 error = copyin(cm->blue, &bbuf[index], count); 663 if (error) 664 return error; 665 666 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 667 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 668 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 669 670 r = &sc->sc_cmap_red[index]; 671 g = &sc->sc_cmap_green[index]; 672 b = &sc->sc_cmap_blue[index]; 673 674 for (i = 0; i < count; i++) { 675 voyagerfb_putpalreg(sc, index, *r, *g, *b); 676 index++; 677 r++, g++, b++; 678 } 679 return 0; 680 } 681 682 static int 683 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 684 { 685 u_int index = cm->index; 686 u_int count = cm->count; 687 int error; 688 689 if (index >= 255 || count > 256 || index + count > 256) 690 return EINVAL; 691 692 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 693 if (error) 694 return error; 695 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 696 if (error) 697 return error; 698 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 699 if (error) 700 return error; 701 702 return 0; 703 } 704 705 static void 706 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 707 { 708 int i; 709 710 for (i = 0; i < 256; i++) { 711 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 712 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 713 } 714 } 715 716 static int 717 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 718 uint8_t g, uint8_t b) 719 { 720 uint32_t reg; 721 722 reg = (r << 16) | (g << 8) | b; 723 /* XXX we should probably write the CRT palette too */ 724 bus_space_write_4(sc->sc_memt, sc->sc_regh, 725 SM502_PALETTE_PANEL + (idx << 2), reg); 726 return 0; 727 } 728 729 static void 730 voyagerfb_init(struct voyagerfb_softc *sc) 731 { 732 int reg; 733 734 voyagerfb_wait(sc); 735 /* disable colour compare */ 736 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 737 /* allow writes to all planes */ 738 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 739 0xffffffff); 740 /* disable clipping */ 741 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 742 /* source and destination in local memory, no offset */ 743 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 744 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 745 /* pitch is screen stride */ 746 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 747 sc->sc_width | (sc->sc_width << 16)); 748 /* window is screen width */ 749 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 750 sc->sc_width | (sc->sc_width << 16)); 751 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 752 reg &= ~SM502_PDC_DEPTH_MASK; 753 754 switch (sc->sc_depth) { 755 case 8: 756 bus_space_write_4(sc->sc_memt, sc->sc_regh, 757 SM502_STRETCH, SM502_STRETCH_8BIT); 758 sc->sc_stride = sc->sc_width; 759 reg |= SM502_PDC_8BIT; 760 break; 761 case 16: 762 bus_space_write_4(sc->sc_memt, sc->sc_regh, 763 SM502_STRETCH, SM502_STRETCH_16BIT); 764 sc->sc_stride = sc->sc_width << 1; 765 reg |= SM502_PDC_16BIT; 766 break; 767 case 24: 768 case 32: 769 bus_space_write_4(sc->sc_memt, sc->sc_regh, 770 SM502_STRETCH, SM502_STRETCH_32BIT); 771 sc->sc_stride = sc->sc_width << 2; 772 reg |= SM502_PDC_32BIT; 773 break; 774 } 775 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 776 (sc->sc_stride << 16) | sc->sc_stride); 777 778 /* clear the screen... */ 779 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 0); 780 781 /* ...and then switch colour depth. For aesthetic reasons. */ 782 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 783 reg); 784 785 /* put the cursor at the end of video memory */ 786 sc->sc_cursor_addr = sc->sc_fbsize - 16 * 64; /* XXX */ 787 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 788 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, 789 sc->sc_fbh) + sc->sc_cursor_addr); 790 #ifdef VOYAGERFB_DEBUG 791 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 792 0x00100010); 793 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 794 0x0000ffff); 795 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 796 0x0000f800); 797 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 798 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 799 sc->sc_cursor[0] = 0x00000000; 800 sc->sc_cursor[1] = 0x00000000; 801 sc->sc_cursor[2] = 0xffffffff; 802 sc->sc_cursor[3] = 0xffffffff; 803 sc->sc_cursor[4] = 0xaaaaaaaa; 804 sc->sc_cursor[5] = 0xaaaaaaaa; 805 sc->sc_cursor[6] = 0xffffffff; 806 sc->sc_cursor[7] = 0x00000000; 807 #else 808 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 809 sc->sc_cursor_addr); 810 #endif 811 } 812 813 static void 814 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 815 uint32_t colour) 816 { 817 818 voyagerfb_ready(sc); 819 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 820 ROP_COPY | 821 SM502_CTRL_USE_ROP2 | 822 SM502_CTRL_CMD_RECTFILL | 823 SM502_CTRL_QUICKSTART_E); 824 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 825 colour); 826 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 827 (x << 16) | y); 828 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 829 (wi << 16) | he); 830 } 831 832 static void 833 voyagerfb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 834 int wi, int he, int rop) 835 { 836 struct voyagerfb_softc *sc = cookie; 837 uint32_t cmd; 838 839 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 840 SM502_CTRL_QUICKSTART_E; 841 842 voyagerfb_ready(sc); 843 844 if (xd <= xs) { 845 /* left to right */ 846 } else { 847 /* 848 * According to the manual this flag reverses only the blitter's 849 * X direction. At least on my Gdium it also reverses the Y 850 * direction 851 */ 852 cmd |= SM502_CTRL_R_TO_L; 853 xs += wi - 1; 854 xd += wi - 1; 855 ys += he - 1; 856 yd += he - 1; 857 } 858 859 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 860 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 861 (xs << 16) | ys); 862 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 863 (xd << 16) | yd); 864 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 865 (wi << 16) | he); 866 } 867 868 static void 869 voyagerfb_cursor(void *cookie, int on, int row, int col) 870 { 871 struct rasops_info *ri = cookie; 872 struct vcons_screen *scr = ri->ri_hw; 873 struct voyagerfb_softc *sc = scr->scr_cookie; 874 int x, y, wi, he; 875 876 wi = ri->ri_font->fontwidth; 877 he = ri->ri_font->fontheight; 878 879 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 880 x = ri->ri_ccol * wi + ri->ri_xorigin; 881 y = ri->ri_crow * he + ri->ri_yorigin; 882 if (ri->ri_flg & RI_CURSOR) { 883 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 884 ri->ri_flg &= ~RI_CURSOR; 885 } 886 ri->ri_crow = row; 887 ri->ri_ccol = col; 888 if (on) { 889 x = ri->ri_ccol * wi + ri->ri_xorigin; 890 y = ri->ri_crow * he + ri->ri_yorigin; 891 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 892 ri->ri_flg |= RI_CURSOR; 893 } 894 } else { 895 scr->scr_ri.ri_crow = row; 896 scr->scr_ri.ri_ccol = col; 897 scr->scr_ri.ri_flg &= ~RI_CURSOR; 898 } 899 900 } 901 902 static inline void 903 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 904 { 905 uint32_t *port = (uint32_t *)sc->sc_dataport; 906 int i; 907 908 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 909 *port = *data; 910 data++; 911 } 912 } 913 914 static inline void 915 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 916 { 917 uint32_t *port = (uint32_t *)sc->sc_dataport; 918 int i; 919 920 len = len << 1; 921 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 922 *port = *data; 923 data++; 924 } 925 } 926 927 static void 928 voyagerfb_putchar_mono(void *cookie, int row, int col, u_int c, long attr) 929 { 930 struct rasops_info *ri = cookie; 931 struct wsdisplay_font *font = PICK_FONT(ri, c); 932 struct vcons_screen *scr = ri->ri_hw; 933 struct voyagerfb_softc *sc = scr->scr_cookie; 934 uint32_t cmd; 935 int fg, bg; 936 uint8_t *data; 937 int x, y, wi, he; 938 939 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 940 return; 941 942 if (!CHAR_IN_FONT(c, font)) 943 return; 944 945 wi = font->fontwidth; 946 he = font->fontheight; 947 948 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 949 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 950 x = ri->ri_xorigin + col * wi; 951 y = ri->ri_yorigin + row * he; 952 if (c == 0x20) { 953 voyagerfb_rectfill(sc, x, y, wi, he, bg); 954 return; 955 } 956 957 data = WSFONT_GLYPH(c, font); 958 959 cmd = ROP_COPY | 960 SM502_CTRL_USE_ROP2 | 961 SM502_CTRL_CMD_HOSTWRT | 962 SM502_CTRL_HOSTBLT_MONO | 963 SM502_CTRL_QUICKSTART_E | 964 SM502_CTRL_MONO_PACK_32BIT; 965 voyagerfb_ready(sc); 966 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 967 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, fg); 968 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_BACKGROUND, bg); 969 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 970 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y); 971 bus_space_write_4(sc->sc_memt, sc->sc_regh, 972 SM502_DIMENSION, (wi << 16) | he); 973 /* now feed the data, padded to 32bit */ 974 switch (ri->ri_font->stride) { 975 case 1: 976 voyagerfb_feed8(sc, data, ri->ri_fontscale); 977 break; 978 case 2: 979 voyagerfb_feed16(sc, (uint16_t *)data, 980 ri->ri_fontscale); 981 break; 982 } 983 } 984 985 static void 986 voyagerfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr) 987 { 988 struct rasops_info *ri = cookie; 989 struct wsdisplay_font *font = PICK_FONT(ri, c); 990 struct vcons_screen *scr = ri->ri_hw; 991 struct voyagerfb_softc *sc = scr->scr_cookie; 992 uint32_t cmd; 993 int fg, bg; 994 uint8_t *data; 995 int x, y, wi, he; 996 int i, j, r, g, b, aval, pad; 997 int rf, gf, bf, rb, gb, bb; 998 uint32_t pixel; 999 int rv; 1000 1001 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1002 return; 1003 1004 if (!CHAR_IN_FONT(c, font)) 1005 return; 1006 1007 wi = font->fontwidth; 1008 he = font->fontheight; 1009 1010 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 1011 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 1012 x = ri->ri_xorigin + col * wi; 1013 y = ri->ri_yorigin + row * he; 1014 if (c == 0x20) { 1015 voyagerfb_rectfill(sc, x, y, wi, he, bg); 1016 return; 1017 } 1018 1019 data = WSFONT_GLYPH(c, font); 1020 /* 1021 * we can't accelerate the actual alpha blending but 1022 * we can at least use a host blit to go through the 1023 * pipeline instead of having to sync the engine 1024 */ 1025 1026 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1027 if (rv == GC_OK) 1028 return; 1029 1030 cmd = ROP_COPY | 1031 SM502_CTRL_USE_ROP2 | 1032 SM502_CTRL_CMD_HOSTWRT | 1033 SM502_CTRL_QUICKSTART_E; 1034 voyagerfb_ready(sc); 1035 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 1036 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 1037 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y); 1038 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 1039 (wi << 16) | he); 1040 rf = (fg >> 16) & 0xff; 1041 rb = (bg >> 16) & 0xff; 1042 gf = (fg >> 8) & 0xff; 1043 gb = (bg >> 8) & 0xff; 1044 bf = fg & 0xff; 1045 bb = bg & 0xff; 1046 pad = wi & 1; 1047 for (i = 0; i < he; i++) { 1048 for (j = 0; j < wi; j++) { 1049 aval = *data; 1050 data++; 1051 if (aval == 0) { 1052 pixel = bg; 1053 } else if (aval == 255) { 1054 pixel = fg; 1055 } else { 1056 r = aval * rf + (255 - aval) * rb; 1057 g = aval * gf + (255 - aval) * gb; 1058 b = aval * bf + (255 - aval) * bb; 1059 pixel = (r & 0xff00) << 8 | 1060 (g & 0xff00) | 1061 (b & 0xff00) >> 8; 1062 } 1063 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1064 SM502_DATAPORT, pixel); 1065 } 1066 if (pad) 1067 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1068 SM502_DATAPORT, 0); 1069 } 1070 if (rv == GC_ADD) { 1071 glyphcache_add(&sc->sc_gc, c, x, y); 1072 } 1073 } 1074 1075 static void 1076 voyagerfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr) 1077 { 1078 struct rasops_info *ri = cookie; 1079 struct wsdisplay_font *font = PICK_FONT(ri, c); 1080 struct vcons_screen *scr = ri->ri_hw; 1081 struct voyagerfb_softc *sc = scr->scr_cookie; 1082 uint32_t cmd; 1083 int bg; 1084 uint8_t *data; 1085 int x, y, wi, he; 1086 int i, j, r, g, b, aval, pad; 1087 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1088 uint32_t pixel = 0, latch = 0, bg8, fg8; 1089 int rv; 1090 1091 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1092 return; 1093 1094 if (!CHAR_IN_FONT(c, font)) 1095 return; 1096 1097 wi = font->fontwidth; 1098 he = font->fontheight; 1099 1100 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 1101 x = ri->ri_xorigin + col * wi; 1102 y = ri->ri_yorigin + row * he; 1103 if (c == 0x20) { 1104 voyagerfb_rectfill(sc, x, y, wi, he, bg); 1105 return; 1106 } 1107 1108 data = WSFONT_GLYPH(c, font); 1109 /* 1110 * we can't accelerate the actual alpha blending but 1111 * we can at least use a host blit to go through the 1112 * pipeline instead of having to sync the engine 1113 */ 1114 1115 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1116 if (rv == GC_OK) 1117 return; 1118 1119 cmd = ROP_COPY | 1120 SM502_CTRL_USE_ROP2 | 1121 SM502_CTRL_CMD_HOSTWRT | 1122 SM502_CTRL_QUICKSTART_E; 1123 voyagerfb_ready(sc); 1124 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 1125 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0); 1126 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y); 1127 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 1128 (wi << 16) | he); 1129 1130 /* 1131 * we need the RGB colours here, so get offsets into rasops_cmap 1132 */ 1133 fgo = ((attr >> 24) & 0xf) * 3; 1134 bgo = ((attr >> 16) & 0xf) * 3; 1135 1136 r0 = rasops_cmap[bgo]; 1137 r1 = rasops_cmap[fgo]; 1138 g0 = rasops_cmap[bgo + 1]; 1139 g1 = rasops_cmap[fgo + 1]; 1140 b0 = rasops_cmap[bgo + 2]; 1141 b1 = rasops_cmap[fgo + 2]; 1142 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1143 bg8 = R3G3B2(r0, g0, b0); 1144 fg8 = R3G3B2(r1, g1, b1); 1145 1146 pad = wi & 4; 1147 for (i = 0; i < he; i++) { 1148 for (j = 0; j < wi; j++) { 1149 aval = *data; 1150 data++; 1151 if (aval == 0) { 1152 pixel = bg8; 1153 } else if (aval == 255) { 1154 pixel = fg8; 1155 } else { 1156 r = aval * r1 + (255 - aval) * r0; 1157 g = aval * g1 + (255 - aval) * g0; 1158 b = aval * b1 + (255 - aval) * b0; 1159 pixel = ((r & 0xe000) >> 8) | 1160 ((g & 0xe000) >> 11) | 1161 ((b & 0xc000) >> 14); 1162 } 1163 latch = (latch << 8) | pixel; 1164 /* write in 32bit chunks */ 1165 if ((j & 3) == 3) { 1166 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1167 SM502_DATAPORT, be32toh(latch)); 1168 latch = 0; 1169 } 1170 } 1171 /* if we have pixels left in latch write them out */ 1172 if ((j & 3) != 0) { 1173 latch = latch << ((4 - (i & 3)) << 3); 1174 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1175 SM502_DATAPORT, be32toh(latch)); 1176 } 1177 if (pad) 1178 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1179 SM502_DATAPORT, 0); 1180 } 1181 if (rv == GC_ADD) { 1182 glyphcache_add(&sc->sc_gc, c, x, y); 1183 } 1184 } 1185 1186 static void 1187 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1188 { 1189 struct rasops_info *ri = cookie; 1190 struct vcons_screen *scr = ri->ri_hw; 1191 struct voyagerfb_softc *sc = scr->scr_cookie; 1192 int32_t xs, xd, y, width, height; 1193 1194 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1195 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1196 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1197 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1198 width = ri->ri_font->fontwidth * ncols; 1199 height = ri->ri_font->fontheight; 1200 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY); 1201 } 1202 } 1203 1204 static void 1205 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols, 1206 long fillattr) 1207 { 1208 struct rasops_info *ri = cookie; 1209 struct vcons_screen *scr = ri->ri_hw; 1210 struct voyagerfb_softc *sc = scr->scr_cookie; 1211 int32_t x, y, width, height, fg, bg, ul; 1212 1213 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1214 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1215 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1216 width = ri->ri_font->fontwidth * ncols; 1217 height = ri->ri_font->fontheight; 1218 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1219 1220 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1221 } 1222 } 1223 1224 static void 1225 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1226 { 1227 struct rasops_info *ri = cookie; 1228 struct vcons_screen *scr = ri->ri_hw; 1229 struct voyagerfb_softc *sc = scr->scr_cookie; 1230 int32_t x, ys, yd, width, height; 1231 int i; 1232 1233 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1234 x = ri->ri_xorigin; 1235 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1236 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1237 width = ri->ri_emuwidth; 1238 height = ri->ri_font->fontheight * nrows; 1239 if ((nrows > 1) && (dstrow > srcrow)) { 1240 /* 1241 * the blitter can't do bottom-up copies so we have 1242 * to copy line by line here 1243 * should probably use a command sequence 1244 */ 1245 ys += (height - ri->ri_font->fontheight); 1246 yd += (height - ri->ri_font->fontheight); 1247 for (i = 0; i < nrows; i++) { 1248 voyagerfb_bitblt(sc, x, ys, x, yd, width, 1249 ri->ri_font->fontheight, ROP_COPY); 1250 ys -= ri->ri_font->fontheight; 1251 yd -= ri->ri_font->fontheight; 1252 } 1253 } else 1254 voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 1255 ROP_COPY); 1256 } 1257 } 1258 1259 static void 1260 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr) 1261 { 1262 struct rasops_info *ri = cookie; 1263 struct vcons_screen *scr = ri->ri_hw; 1264 struct voyagerfb_softc *sc = scr->scr_cookie; 1265 int32_t x, y, width, height, fg, bg, ul; 1266 1267 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1268 x = ri->ri_xorigin; 1269 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1270 width = ri->ri_emuwidth; 1271 height = ri->ri_font->fontheight * nrows; 1272 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1273 1274 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1275 } 1276 } 1277 1278 /* backlight control */ 1279 static void 1280 voyagerfb_setup_backlight(struct voyagerfb_softc *sc) 1281 { 1282 /* switch the pin to gpio mode if it isn't already */ 1283 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1284 /* turn it on */ 1285 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1286 sc->sc_bl_on = 1; 1287 sc->sc_bl_level = 255; 1288 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 1289 voyagerfb_brightness_up, TRUE); 1290 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 1291 voyagerfb_brightness_down, TRUE); 1292 } 1293 1294 static void 1295 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level) 1296 { 1297 1298 /* 1299 * should we do nothing when backlight is off, should we just store the 1300 * level and use it when turning back on or should we just flip sc_bl_on 1301 * and turn the backlight on? 1302 * For now turn it on so a crashed screensaver can't get the user stuck 1303 * with a dark screen as long as hotkeys work 1304 */ 1305 if (level > 255) level = 255; 1306 if (level < 0) level = 0; 1307 if (level == sc->sc_bl_level) 1308 return; 1309 sc->sc_bl_level = level; 1310 if (sc->sc_bl_on == 0) 1311 sc->sc_bl_on = 1; 1312 /* and here we would actually muck with the hardware */ 1313 if ((level == 0) || (level == 255)) { 1314 /* in these cases bypass the PWM and use the gpio */ 1315 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1316 if (level == 0) { 1317 voyager_write_gpio(sc->sc_gpio_cookie, 1318 ~GPIO_BACKLIGHT, 0); 1319 } else { 1320 voyager_write_gpio(sc->sc_gpio_cookie, 1321 0xffffffff, GPIO_BACKLIGHT); 1322 } 1323 } else { 1324 uint32_t pwm; 1325 1326 pwm = voyager_set_pwm(20000, level * 1000 / 256); 1327 pwm |= SM502_PWM_ENABLE; 1328 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm); 1329 1330 /* let the PWM take over */ 1331 voyager_control_gpio(sc->sc_gpio_cookie, 1332 0xffffffff, GPIO_BACKLIGHT); 1333 } 1334 } 1335 1336 static void 1337 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on) 1338 { 1339 1340 if (on == sc->sc_bl_on) 1341 return; 1342 sc->sc_bl_on = on; 1343 if (on) { 1344 int level = sc->sc_bl_level; 1345 1346 sc->sc_bl_level = -1; 1347 voyagerfb_set_backlight(sc, level); 1348 } else { 1349 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1350 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1351 } 1352 } 1353 1354 1355 static void 1356 voyagerfb_brightness_up(device_t dev) 1357 { 1358 struct voyagerfb_softc *sc = device_private(dev); 1359 1360 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8); 1361 } 1362 1363 static void 1364 voyagerfb_brightness_down(device_t dev) 1365 { 1366 struct voyagerfb_softc *sc = device_private(dev); 1367 1368 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8); 1369 } 1370 1371 static int 1372 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y) 1373 { 1374 uint32_t val; 1375 int xx, yy; 1376 1377 sc->sc_cur_x = x; 1378 sc->sc_cur_y = y; 1379 1380 xx = x - sc->sc_hot_x; 1381 yy = y - sc->sc_hot_y; 1382 1383 if (xx < 0) xx = abs(xx) | 0x800; 1384 if (yy < 0) yy = abs(yy) | 0x800; 1385 1386 val = (xx & 0xffff) | (yy << 16); 1387 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val); 1388 1389 return 0; 1390 } 1391 1392 static int 1393 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1394 { 1395 /* do nothing for now */ 1396 return 0; 1397 } 1398 1399 static int 1400 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1401 { 1402 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1403 1404 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1405 SM502_PANEL_CRSR_ADDR, 1406 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0)); 1407 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 1408 } 1409 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1410 1411 sc->sc_hot_x = cur->hot.x; 1412 sc->sc_hot_y = cur->hot.y; 1413 } 1414 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1415 1416 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y); 1417 } 1418 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1419 int i, idx; 1420 uint32_t val; 1421 1422 for (i = 0; i < cur->cmap.count; i++) { 1423 val = ((cur->cmap.red[i] & 0xf8) << 8) | 1424 ((cur->cmap.green[i] & 0xfc) << 3) | 1425 ((cur->cmap.blue[i] & 0xf8) >> 3); 1426 idx = i + cur->cmap.index; 1427 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1428 SM502_PANEL_CRSR_COL12 + (idx << 1), 1429 val); 1430 /* 1431 * if userland doesn't try to set the 3rd colour we 1432 * assume it expects an X11-style 2 colour cursor 1433 * X should be our main user anyway 1434 */ 1435 if ((idx == 1) && 1436 ((cur->cmap.count + cur->cmap.index) < 3)) { 1437 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1438 SM502_PANEL_CRSR_COL3, 1439 val); 1440 } 1441 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index, 1442 val); 1443 } 1444 } 1445 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1446 1447 int i, j, cnt = 0; 1448 uint32_t latch = 0, omask; 1449 uint8_t imask; 1450 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y); 1451 for (i = 0; i < 256; i++) { 1452 omask = 0x00000001; 1453 imask = 0x01; 1454 cur->image[cnt] &= cur->mask[cnt]; 1455 for (j = 0; j < 8; j++) { 1456 if (cur->mask[cnt] & imask) 1457 latch |= omask; 1458 omask <<= 1; 1459 if (cur->image[cnt] & imask) 1460 latch |= omask; 1461 omask <<= 1; 1462 imask <<= 1; 1463 } 1464 cnt++; 1465 imask = 0x01; 1466 cur->image[cnt] &= cur->mask[cnt]; 1467 for (j = 0; j < 8; j++) { 1468 if (cur->mask[cnt] & imask) 1469 latch |= omask; 1470 omask <<= 1; 1471 if (cur->image[cnt] & imask) 1472 latch |= omask; 1473 omask <<= 1; 1474 imask <<= 1; 1475 } 1476 cnt++; 1477 sc->sc_cursor[i] = latch; 1478 latch = 0; 1479 } 1480 } 1481 return 0; 1482 } 1483
Indexes created Tue Sep 30 11:09:46 GMT 2025