voyagerfb.c revision 1.8
1 /* $NetBSD: voyagerfb.c,v 1.8 2011/11/08 06:56:07 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 2009 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 1.8 2011/11/08 06:56:07 macallan Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/lwp.h> 42 #include <sys/kauth.h> 43 44 #include <dev/videomode/videomode.h> 45 46 #include <dev/pci/pcivar.h> 47 #include <dev/pci/pcireg.h> 48 #include <dev/pci/pcidevs.h> 49 #include <dev/pci/pciio.h> 50 #include <dev/ic/sm502reg.h> 51 52 #include <dev/wscons/wsdisplayvar.h> 53 #include <dev/wscons/wsconsio.h> 54 #include <dev/wsfont/wsfont.h> 55 #include <dev/rasops/rasops.h> 56 #include <dev/wscons/wsdisplay_vconsvar.h> 57 #include <dev/pci/wsdisplay_pci.h> 58 59 #include <dev/i2c/i2cvar.h> 60 #include <dev/pci/voyagervar.h> 61 62 #ifdef VOYAGERFB_DEBUG 63 #define DPRINTF aprint_error 64 #else 65 #define DPRINTF while (0) printf 66 #endif 67 68 /* there are probably gdium-specific */ 69 #define GPIO_BACKLIGHT 0x20000000 70 71 struct voyagerfb_softc { 72 device_t sc_dev; 73 74 pci_chipset_tag_t sc_pc; 75 pcitag_t sc_pcitag; 76 bus_space_tag_t sc_memt; 77 78 bus_space_handle_t sc_fbh; 79 bus_space_handle_t sc_regh; 80 bus_addr_t sc_fb, sc_reg; 81 bus_size_t sc_fbsize, sc_regsize; 82 83 int sc_width, sc_height, sc_depth, sc_stride; 84 int sc_locked; 85 void *sc_fbaddr; 86 struct vcons_screen sc_console_screen; 87 struct wsscreen_descr sc_defaultscreen_descr; 88 const struct wsscreen_descr *sc_screens[1]; 89 struct wsscreen_list sc_screenlist; 90 struct vcons_data vd; 91 uint8_t *sc_dataport; 92 int sc_mode; 93 int sc_bl_on, sc_bl_level; 94 void *sc_gpio_cookie; 95 96 /* cursor stuff */ 97 int sc_cur_x; 98 int sc_cur_y; 99 int sc_hot_x; 100 int sc_hot_y; 101 uint32_t sc_cursor_addr; 102 uint32_t *sc_cursor; 103 104 /* colour map */ 105 u_char sc_cmap_red[256]; 106 u_char sc_cmap_green[256]; 107 u_char sc_cmap_blue[256]; 108 }; 109 110 static int voyagerfb_match(device_t, cfdata_t, void *); 111 static void voyagerfb_attach(device_t, device_t, void *); 112 113 CFATTACH_DECL_NEW(voyagerfb, sizeof(struct voyagerfb_softc), 114 voyagerfb_match, voyagerfb_attach, NULL, NULL); 115 116 extern const u_char rasops_cmap[768]; 117 118 static int voyagerfb_ioctl(void *, void *, u_long, void *, int, 119 struct lwp *); 120 static paddr_t voyagerfb_mmap(void *, void *, off_t, int); 121 static void voyagerfb_init_screen(void *, struct vcons_screen *, int, 122 long *); 123 124 static int voyagerfb_putcmap(struct voyagerfb_softc *, 125 struct wsdisplay_cmap *); 126 static int voyagerfb_getcmap(struct voyagerfb_softc *, 127 struct wsdisplay_cmap *); 128 static void voyagerfb_restore_palette(struct voyagerfb_softc *); 129 static int voyagerfb_putpalreg(struct voyagerfb_softc *, int, uint8_t, 130 uint8_t, uint8_t); 131 132 static void voyagerfb_init(struct voyagerfb_softc *); 133 134 static void voyagerfb_rectfill(struct voyagerfb_softc *, int, int, int, int, 135 uint32_t); 136 static void voyagerfb_bitblt(struct voyagerfb_softc *, int, int, int, int, 137 int, int, int); 138 139 static void voyagerfb_cursor(void *, int, int, int); 140 static void voyagerfb_putchar(void *, int, int, u_int, long); 141 static void voyagerfb_copycols(void *, int, int, int, int); 142 static void voyagerfb_erasecols(void *, int, int, int, long); 143 static void voyagerfb_copyrows(void *, int, int, int); 144 static void voyagerfb_eraserows(void *, int, int, long); 145 146 static int voyagerfb_set_curpos(struct voyagerfb_softc *, int, int); 147 static int voyagerfb_gcursor(struct voyagerfb_softc *, struct wsdisplay_cursor *); 148 static int voyagerfb_scursor(struct voyagerfb_softc *, struct wsdisplay_cursor *); 149 150 struct wsdisplay_accessops voyagerfb_accessops = { 151 voyagerfb_ioctl, 152 voyagerfb_mmap, 153 NULL, /* alloc_screen */ 154 NULL, /* free_screen */ 155 NULL, /* show_screen */ 156 NULL, /* load_font */ 157 NULL, /* pollc */ 158 NULL /* scroll */ 159 }; 160 161 static void voyagerfb_setup_backlight(struct voyagerfb_softc *); 162 static void voyagerfb_brightness_up(device_t); 163 static void voyagerfb_brightness_down(device_t); 164 /* set backlight level */ 165 static void voyagerfb_set_backlight(struct voyagerfb_softc *, int); 166 /* turn backlight on and off without messing with the level */ 167 static void voyagerfb_switch_backlight(struct voyagerfb_softc *, int); 168 169 /* wait for FIFO empty so we can feed it another command */ 170 static inline void 171 voyagerfb_ready(struct voyagerfb_softc *sc) 172 { 173 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 174 SM502_SYSTEM_CTRL) & SM502_SYSCTL_FIFO_EMPTY) == 0); 175 } 176 177 /* wait for the drawing engine to be idle */ 178 static inline void 179 voyagerfb_wait(struct voyagerfb_softc *sc) 180 { 181 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh, 182 SM502_SYSTEM_CTRL) & SM502_SYSCTL_ENGINE_BUSY) != 0); 183 } 184 185 static int 186 voyagerfb_match(device_t parent, cfdata_t match, void *aux) 187 { 188 struct voyager_attach_args *vaa = (struct voyager_attach_args *)aux; 189 190 if (strcmp(vaa->vaa_name, "voyagerfb") == 0) return 100; 191 return 0; 192 } 193 194 static void 195 voyagerfb_attach(device_t parent, device_t self, void *aux) 196 { 197 struct voyagerfb_softc *sc = device_private(self); 198 struct voyager_attach_args *vaa = aux; 199 struct rasops_info *ri; 200 struct wsemuldisplaydev_attach_args aa; 201 prop_dictionary_t dict; 202 unsigned long defattr; 203 uint32_t reg; 204 bool is_console; 205 int i, j; 206 207 sc->sc_pc = vaa->vaa_pc; 208 sc->sc_pcitag = vaa->vaa_pcitag; 209 sc->sc_memt = vaa->vaa_tag; 210 sc->sc_dev = self; 211 212 aprint_normal("\n"); 213 214 dict = device_properties(self); 215 prop_dictionary_get_bool(dict, "is_console", &is_console); 216 217 sc->sc_fb = vaa->vaa_mem_pa; 218 sc->sc_fbh = vaa->vaa_memh; 219 sc->sc_fbsize = 16 * 1024 * 1024; 220 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh); 221 222 sc->sc_reg = vaa->vaa_reg_pa; 223 sc->sc_regh = vaa->vaa_regh; 224 sc->sc_regsize = 2 * 1024 * 1024; 225 sc->sc_dataport = bus_space_vaddr(sc->sc_memt, sc->sc_regh); 226 sc->sc_dataport += SM502_DATAPORT; 227 228 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 229 switch (reg & SM502_PDC_DEPTH_MASK) { 230 case SM502_PDC_8BIT: 231 sc->sc_depth = 8; 232 break; 233 case SM502_PDC_16BIT: 234 sc->sc_depth = 16; 235 break; 236 case SM502_PDC_32BIT: 237 sc->sc_depth = 24; 238 break; 239 default: 240 panic("%s: unsupported depth", device_xname(self)); 241 } 242 sc->sc_stride = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 243 SM502_PANEL_FB_OFFSET) & SM502_FBA_WIN_STRIDE_MASK) >> 16; 244 sc->sc_width = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 245 SM502_PANEL_FB_WIDTH) & SM502_FBW_WIN_WIDTH_MASK) >> 16; 246 sc->sc_height = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 247 SM502_PANEL_FB_HEIGHT) & SM502_FBH_WIN_HEIGHT_MASK) >> 16; 248 249 printf("%s: %d x %d, %d bit, stride %d\n", device_xname(self), 250 sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride); 251 /* 252 * XXX yeah, casting the fb address to uint32_t is formally wrong 253 * but as far as I know there are no SM502 with 64bit BARs 254 */ 255 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 256 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 257 258 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 259 "default", 260 0, 0, 261 NULL, 262 8, 16, 263 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 264 NULL 265 }; 266 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 267 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 268 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 269 sc->sc_locked = 0; 270 271 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 272 &voyagerfb_accessops); 273 sc->vd.init_screen = voyagerfb_init_screen; 274 275 /* backlight control */ 276 sc->sc_gpio_cookie = device_private(parent); 277 voyagerfb_setup_backlight(sc); 278 279 /* init engine here */ 280 sc->sc_depth = 8; 281 voyagerfb_init(sc); 282 283 ri = &sc->sc_console_screen.scr_ri; 284 285 if (is_console) { 286 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 287 &defattr); 288 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 289 290 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 291 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 292 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 293 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 294 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 295 defattr); 296 } else { 297 /* 298 * since we're not the console we can postpone the rest 299 * until someone actually allocates a screen for us 300 */ 301 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 302 } 303 304 j = 0; 305 if (sc->sc_depth <= 8) { 306 for (i = 0; i < (1 << sc->sc_depth); i++) { 307 308 sc->sc_cmap_red[i] = rasops_cmap[j]; 309 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 310 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 311 voyagerfb_putpalreg(sc, i, rasops_cmap[j], 312 rasops_cmap[j + 1], rasops_cmap[j + 2]); 313 j += 3; 314 } 315 } 316 317 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 318 ri->ri_devcmap[(defattr >> 16) & 0xff]); 319 320 if (is_console) 321 vcons_replay_msgbuf(&sc->sc_console_screen); 322 323 aa.console = is_console; 324 aa.scrdata = &sc->sc_screenlist; 325 aa.accessops = &voyagerfb_accessops; 326 aa.accesscookie = &sc->vd; 327 328 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 329 } 330 331 static int 332 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 333 struct lwp *l) 334 { 335 struct vcons_data *vd = v; 336 struct voyagerfb_softc *sc = vd->cookie; 337 struct wsdisplay_fbinfo *wdf; 338 struct vcons_screen *ms = vd->active; 339 struct wsdisplay_param *param; 340 341 switch (cmd) { 342 case WSDISPLAYIO_GTYPE: 343 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 344 return 0; 345 346 /* PCI config read/write passthrough. */ 347 case PCI_IOC_CFGREAD: 348 case PCI_IOC_CFGWRITE: 349 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 350 cmd, data, flag, l); 351 352 case WSDISPLAYIO_GET_BUSID: 353 return wsdisplayio_busid_pci(device_parent(sc->sc_dev), 354 sc->sc_pc, sc->sc_pcitag, data); 355 356 case WSDISPLAYIO_GINFO: 357 if (ms == NULL) 358 return ENODEV; 359 wdf = (void *)data; 360 wdf->height = ms->scr_ri.ri_height; 361 wdf->width = ms->scr_ri.ri_width; 362 wdf->depth = ms->scr_ri.ri_depth; 363 wdf->cmsize = 256; 364 return 0; 365 366 case WSDISPLAYIO_GETCMAP: 367 return voyagerfb_getcmap(sc, 368 (struct wsdisplay_cmap *)data); 369 370 case WSDISPLAYIO_PUTCMAP: 371 return voyagerfb_putcmap(sc, 372 (struct wsdisplay_cmap *)data); 373 374 case WSDISPLAYIO_LINEBYTES: 375 *(u_int *)data = sc->sc_stride; 376 return 0; 377 378 case WSDISPLAYIO_SMODE: { 379 int new_mode = *(int*)data; 380 if (new_mode != sc->sc_mode) { 381 sc->sc_mode = new_mode; 382 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 383 voyagerfb_restore_palette(sc); 384 vcons_redraw_screen(ms); 385 } 386 } 387 } 388 return 0; 389 390 case WSDISPLAYIO_GVIDEO: 391 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON : 392 WSDISPLAYIO_VIDEO_OFF; 393 return 0; 394 395 case WSDISPLAYIO_SVIDEO: { 396 int new_bl = *(int *)data; 397 398 voyagerfb_switch_backlight(sc, new_bl); 399 } 400 return 0; 401 402 case WSDISPLAYIO_GETPARAM: 403 param = (struct wsdisplay_param *)data; 404 switch (param->param) { 405 case WSDISPLAYIO_PARAM_BRIGHTNESS: 406 param->min = 0; 407 param->max = 255; 408 param->curval = sc->sc_bl_level; 409 return 0; 410 case WSDISPLAYIO_PARAM_BACKLIGHT: 411 param->min = 0; 412 param->max = 1; 413 param->curval = sc->sc_bl_on; 414 return 0; 415 } 416 return EPASSTHROUGH; 417 418 case WSDISPLAYIO_SETPARAM: 419 param = (struct wsdisplay_param *)data; 420 switch (param->param) { 421 case WSDISPLAYIO_PARAM_BRIGHTNESS: 422 voyagerfb_set_backlight(sc, param->curval); 423 return 0; 424 case WSDISPLAYIO_PARAM_BACKLIGHT: 425 voyagerfb_switch_backlight(sc, param->curval); 426 return 0; 427 } 428 return EPASSTHROUGH; 429 430 case WSDISPLAYIO_GCURPOS: 431 { 432 struct wsdisplay_curpos *pos; 433 434 pos = (struct wsdisplay_curpos *)data; 435 pos->x = sc->sc_cur_x; 436 pos->y = sc->sc_cur_y; 437 } 438 return 0; 439 440 case WSDISPLAYIO_SCURPOS: 441 { 442 struct wsdisplay_curpos *pos; 443 444 pos = (struct wsdisplay_curpos *)data; 445 voyagerfb_set_curpos(sc, pos->x, pos->y); 446 } 447 return 0; 448 449 case WSDISPLAYIO_GCURMAX: 450 { 451 struct wsdisplay_curpos *pos; 452 453 pos = (struct wsdisplay_curpos *)data; 454 pos->x = 64; 455 pos->y = 64; 456 } 457 return 0; 458 459 case WSDISPLAYIO_GCURSOR: 460 { 461 struct wsdisplay_cursor *cu; 462 463 cu = (struct wsdisplay_cursor *)data; 464 return voyagerfb_gcursor(sc, cu); 465 } 466 467 case WSDISPLAYIO_SCURSOR: 468 { 469 struct wsdisplay_cursor *cu; 470 471 cu = (struct wsdisplay_cursor *)data; 472 return voyagerfb_scursor(sc, cu); 473 } 474 } 475 return EPASSTHROUGH; 476 } 477 478 static paddr_t 479 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot) 480 { 481 struct vcons_data *vd = v; 482 struct voyagerfb_softc *sc = vd->cookie; 483 paddr_t pa; 484 485 /* 'regular' framebuffer mmap()ing */ 486 if (offset < sc->sc_fbsize) { 487 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 488 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 489 return pa; 490 } 491 492 /* 493 * restrict all other mappings to processes with superuser privileges 494 * or the kernel itself 495 */ 496 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 497 NULL) != 0) { 498 aprint_normal("%s: mmap() rejected.\n", 499 device_xname(sc->sc_dev)); 500 return -1; 501 } 502 503 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 504 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 505 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE); 506 return pa; 507 } 508 509 if ((offset >= sc->sc_reg) && 510 (offset < (sc->sc_reg + sc->sc_regsize))) { 511 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0); 512 return pa; 513 } 514 515 return -1; 516 } 517 518 static void 519 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr, 520 int existing, long *defattr) 521 { 522 struct voyagerfb_softc *sc = cookie; 523 struct rasops_info *ri = &scr->scr_ri; 524 525 ri->ri_depth = sc->sc_depth; 526 ri->ri_width = sc->sc_width; 527 ri->ri_height = sc->sc_height; 528 ri->ri_stride = sc->sc_stride; 529 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 530 531 ri->ri_bits = (char *)sc->sc_fbaddr; 532 533 if (existing) { 534 ri->ri_flg |= RI_CLEAR; 535 } 536 537 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 538 ri->ri_caps = WSSCREEN_WSCOLORS; 539 540 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 541 sc->sc_width / ri->ri_font->fontwidth); 542 543 ri->ri_hw = scr; 544 ri->ri_ops.copyrows = voyagerfb_copyrows; 545 ri->ri_ops.copycols = voyagerfb_copycols; 546 ri->ri_ops.eraserows = voyagerfb_eraserows; 547 ri->ri_ops.erasecols = voyagerfb_erasecols; 548 ri->ri_ops.cursor = voyagerfb_cursor; 549 ri->ri_ops.putchar = voyagerfb_putchar; 550 } 551 552 static int 553 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 554 { 555 u_char *r, *g, *b; 556 u_int index = cm->index; 557 u_int count = cm->count; 558 int i, error; 559 u_char rbuf[256], gbuf[256], bbuf[256]; 560 561 #ifdef VOYAGERFB_DEBUG 562 aprint_debug("putcmap: %d %d\n",index, count); 563 #endif 564 if (cm->index >= 256 || cm->count > 256 || 565 (cm->index + cm->count) > 256) 566 return EINVAL; 567 error = copyin(cm->red, &rbuf[index], count); 568 if (error) 569 return error; 570 error = copyin(cm->green, &gbuf[index], count); 571 if (error) 572 return error; 573 error = copyin(cm->blue, &bbuf[index], count); 574 if (error) 575 return error; 576 577 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 578 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 579 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 580 581 r = &sc->sc_cmap_red[index]; 582 g = &sc->sc_cmap_green[index]; 583 b = &sc->sc_cmap_blue[index]; 584 585 for (i = 0; i < count; i++) { 586 voyagerfb_putpalreg(sc, index, *r, *g, *b); 587 index++; 588 r++, g++, b++; 589 } 590 return 0; 591 } 592 593 static int 594 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm) 595 { 596 u_int index = cm->index; 597 u_int count = cm->count; 598 int error; 599 600 if (index >= 255 || count > 256 || index + count > 256) 601 return EINVAL; 602 603 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 604 if (error) 605 return error; 606 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 607 if (error) 608 return error; 609 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 610 if (error) 611 return error; 612 613 return 0; 614 } 615 616 static void 617 voyagerfb_restore_palette(struct voyagerfb_softc *sc) 618 { 619 int i; 620 621 for (i = 0; i < (1 << sc->sc_depth); i++) { 622 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i], 623 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 624 } 625 } 626 627 static int 628 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r, 629 uint8_t g, uint8_t b) 630 { 631 uint32_t reg; 632 633 reg = (r << 16) | (g << 8) | b; 634 /* XXX we should probably write the CRT palette too */ 635 bus_space_write_4(sc->sc_memt, sc->sc_regh, 636 SM502_PALETTE_PANEL + (idx << 2), reg); 637 return 0; 638 } 639 640 static void 641 voyagerfb_init(struct voyagerfb_softc *sc) 642 { 643 int reg; 644 645 voyagerfb_wait(sc); 646 /* disable colour compare */ 647 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0); 648 /* allow writes to all planes */ 649 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK, 650 0xffffffff); 651 /* disable clipping */ 652 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0); 653 /* source and destination in local memory, no offset */ 654 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0); 655 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0); 656 /* pitch is screen stride */ 657 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH, 658 sc->sc_width | (sc->sc_width << 16)); 659 /* window is screen width */ 660 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH, 661 sc->sc_width | (sc->sc_width << 16)); 662 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL); 663 reg &= ~SM502_PDC_DEPTH_MASK; 664 665 switch (sc->sc_depth) { 666 case 8: 667 bus_space_write_4(sc->sc_memt, sc->sc_regh, 668 SM502_STRETCH, SM502_STRETCH_8BIT); 669 sc->sc_stride = sc->sc_width; 670 reg |= SM502_PDC_8BIT; 671 break; 672 case 16: 673 bus_space_write_4(sc->sc_memt, sc->sc_regh, 674 SM502_STRETCH, SM502_STRETCH_16BIT); 675 sc->sc_stride = sc->sc_width << 1; 676 reg |= SM502_PDC_16BIT; 677 break; 678 case 24: 679 case 32: 680 bus_space_write_4(sc->sc_memt, sc->sc_regh, 681 SM502_STRETCH, SM502_STRETCH_32BIT); 682 sc->sc_stride = sc->sc_width << 2; 683 reg |= SM502_PDC_32BIT; 684 break; 685 } 686 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET, 687 (sc->sc_stride << 16) | sc->sc_stride); 688 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL, 689 reg); 690 691 /* put the cursor at the end of video memory */ 692 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */ 693 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 694 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt, sc->sc_fbh) 695 + sc->sc_cursor_addr); 696 #ifdef VOYAGERFB_DEBUG 697 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, 0x00100010); 698 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12, 0x0000ffff); 699 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3, 0x0000f800); 700 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 701 SM502_CRSR_ENABLE | sc->sc_cursor_addr); 702 sc->sc_cursor[0] = 0x00000000; 703 sc->sc_cursor[1] = 0x00000000; 704 sc->sc_cursor[2] = 0xffffffff; 705 sc->sc_cursor[3] = 0xffffffff; 706 sc->sc_cursor[4] = 0xaaaaaaaa; 707 sc->sc_cursor[5] = 0xaaaaaaaa; 708 sc->sc_cursor[6] = 0xffffffff; 709 sc->sc_cursor[7] = 0x00000000; 710 #else 711 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR, 712 sc->sc_cursor_addr); 713 #endif 714 } 715 716 static void 717 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he, 718 uint32_t colour) 719 { 720 721 voyagerfb_ready(sc); 722 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, 723 ROP_COPY | 724 SM502_CTRL_USE_ROP2 | 725 SM502_CTRL_CMD_RECTFILL | 726 SM502_CTRL_QUICKSTART_E); 727 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, 728 colour); 729 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 730 (x << 16) | y); 731 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 732 (wi << 16) | he); 733 } 734 735 static void 736 voyagerfb_bitblt(struct voyagerfb_softc *sc, int xs, int ys, int xd, int yd, 737 int wi, int he, int rop) 738 { 739 uint32_t cmd; 740 741 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT | 742 SM502_CTRL_QUICKSTART_E; 743 744 voyagerfb_ready(sc); 745 746 if (xd <= xs) { 747 /* left to right */ 748 } else { 749 /* 750 * According to the manual this flag reverses only the blitter's 751 * X direction. At least on my Gdium it also reverses the Y 752 * direction 753 */ 754 cmd |= SM502_CTRL_R_TO_L; 755 xs += wi - 1; 756 xd += wi - 1; 757 ys += he - 1; 758 yd += he - 1; 759 } 760 761 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd); 762 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 763 (xs << 16) | ys); 764 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, 765 (xd << 16) | yd); 766 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION, 767 (wi << 16) | he); 768 } 769 770 static void 771 voyagerfb_cursor(void *cookie, int on, int row, int col) 772 { 773 struct rasops_info *ri = cookie; 774 struct vcons_screen *scr = ri->ri_hw; 775 struct voyagerfb_softc *sc = scr->scr_cookie; 776 int x, y, wi, he; 777 778 wi = ri->ri_font->fontwidth; 779 he = ri->ri_font->fontheight; 780 781 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 782 x = ri->ri_ccol * wi + ri->ri_xorigin; 783 y = ri->ri_crow * he + ri->ri_yorigin; 784 if (ri->ri_flg & RI_CURSOR) { 785 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 786 ri->ri_flg &= ~RI_CURSOR; 787 } 788 ri->ri_crow = row; 789 ri->ri_ccol = col; 790 if (on) { 791 x = ri->ri_ccol * wi + ri->ri_xorigin; 792 y = ri->ri_crow * he + ri->ri_yorigin; 793 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT); 794 ri->ri_flg |= RI_CURSOR; 795 } 796 } else { 797 scr->scr_ri.ri_crow = row; 798 scr->scr_ri.ri_ccol = col; 799 scr->scr_ri.ri_flg &= ~RI_CURSOR; 800 } 801 802 } 803 804 static inline void 805 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len) 806 { 807 uint32_t *port = (uint32_t *)sc->sc_dataport; 808 int i; 809 810 for (i = 0; i < ((len + 3) & 0xfffc); i++) { 811 *port = *data; 812 data++; 813 } 814 } 815 816 static inline void 817 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len) 818 { 819 uint32_t *port = (uint32_t *)sc->sc_dataport; 820 int i; 821 822 len = len << 1; 823 for (i = 0; i < ((len + 1) & 0xfffe); i++) { 824 *port = *data; 825 data++; 826 } 827 } 828 829 830 static void 831 voyagerfb_putchar(void *cookie, int row, int col, u_int c, long attr) 832 { 833 struct rasops_info *ri = cookie; 834 struct wsdisplay_font *font = PICK_FONT(ri, c); 835 struct vcons_screen *scr = ri->ri_hw; 836 struct voyagerfb_softc *sc = scr->scr_cookie; 837 uint32_t cmd; 838 839 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 840 int fg, bg, uc; 841 uint8_t *data; 842 int x, y, wi, he; 843 wi = font->fontwidth; 844 he = font->fontheight; 845 846 if (!CHAR_IN_FONT(c, font)) 847 return; 848 bg = ri->ri_devcmap[(attr >> 16) & 0x0f]; 849 fg = ri->ri_devcmap[(attr >> 24) & 0x0f]; 850 x = ri->ri_xorigin + col * wi; 851 y = ri->ri_yorigin + row * he; 852 if (c == 0x20) { 853 voyagerfb_rectfill(sc, x, y, wi, he, bg); 854 } else { 855 uc = c - font->firstchar; 856 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 857 cmd = ROP_COPY | 858 SM502_CTRL_USE_ROP2 | 859 SM502_CTRL_CMD_HOSTWRT | 860 SM502_CTRL_HOSTBLT_MONO | 861 SM502_CTRL_QUICKSTART_E | 862 SM502_CTRL_MONO_PACK_32BIT; 863 voyagerfb_ready(sc); 864 bus_space_write_4(sc->sc_memt, sc->sc_regh, 865 SM502_CONTROL, cmd); 866 bus_space_write_4(sc->sc_memt, sc->sc_regh, 867 SM502_FOREGROUND, fg); 868 bus_space_write_4(sc->sc_memt, sc->sc_regh, 869 SM502_BACKGROUND, bg); 870 bus_space_write_4(sc->sc_memt, sc->sc_regh, 871 SM502_SRC, 0); 872 bus_space_write_4(sc->sc_memt, sc->sc_regh, 873 SM502_DST, (x << 16) | y); 874 bus_space_write_4(sc->sc_memt, sc->sc_regh, 875 SM502_DIMENSION, (wi << 16) | he); 876 /* now feed the data, padded to 32bit */ 877 switch (ri->ri_font->stride) { 878 case 1: 879 voyagerfb_feed8(sc, data, ri->ri_fontscale); 880 break; 881 case 2: 882 voyagerfb_feed16(sc, (uint16_t *)data, 883 ri->ri_fontscale); 884 break; 885 886 } 887 } 888 } 889 } 890 891 static void 892 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 893 { 894 struct rasops_info *ri = cookie; 895 struct vcons_screen *scr = ri->ri_hw; 896 struct voyagerfb_softc *sc = scr->scr_cookie; 897 int32_t xs, xd, y, width, height; 898 899 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 900 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 901 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 902 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 903 width = ri->ri_font->fontwidth * ncols; 904 height = ri->ri_font->fontheight; 905 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY); 906 } 907 } 908 909 static void 910 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols, 911 long fillattr) 912 { 913 struct rasops_info *ri = cookie; 914 struct vcons_screen *scr = ri->ri_hw; 915 struct voyagerfb_softc *sc = scr->scr_cookie; 916 int32_t x, y, width, height, fg, bg, ul; 917 918 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 919 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 920 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 921 width = ri->ri_font->fontwidth * ncols; 922 height = ri->ri_font->fontheight; 923 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 924 925 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 926 } 927 } 928 929 static void 930 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 931 { 932 struct rasops_info *ri = cookie; 933 struct vcons_screen *scr = ri->ri_hw; 934 struct voyagerfb_softc *sc = scr->scr_cookie; 935 int32_t x, ys, yd, width, height; 936 int i; 937 938 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 939 x = ri->ri_xorigin; 940 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 941 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 942 width = ri->ri_emuwidth; 943 height = ri->ri_font->fontheight * nrows; 944 if ((nrows > 1) && (dstrow > srcrow)) { 945 /* 946 * the blitter can't do bottom-up copies so we have 947 * to copy line by line here 948 * should probably use a command sequence 949 */ 950 ys += (height - ri->ri_font->fontheight); 951 yd += (height - ri->ri_font->fontheight); 952 for (i = 0; i < nrows; i++) { 953 voyagerfb_bitblt(sc, x, ys, x, yd, width, 954 ri->ri_font->fontheight, ROP_COPY); 955 ys -= ri->ri_font->fontheight; 956 yd -= ri->ri_font->fontheight; 957 } 958 } else 959 voyagerfb_bitblt(sc, x, ys, x, yd, width, height, 960 ROP_COPY); 961 } 962 } 963 964 static void 965 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr) 966 { 967 struct rasops_info *ri = cookie; 968 struct vcons_screen *scr = ri->ri_hw; 969 struct voyagerfb_softc *sc = scr->scr_cookie; 970 int32_t x, y, width, height, fg, bg, ul; 971 972 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 973 x = ri->ri_xorigin; 974 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 975 width = ri->ri_emuwidth; 976 height = ri->ri_font->fontheight * nrows; 977 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 978 979 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 980 } 981 } 982 983 /* backlight control */ 984 static void 985 voyagerfb_setup_backlight(struct voyagerfb_softc *sc) 986 { 987 /* switch the pin to gpio mode if it isn't already */ 988 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 989 /* turn it on */ 990 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 991 sc->sc_bl_on = 1; 992 sc->sc_bl_level = 255; 993 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 994 voyagerfb_brightness_up, TRUE); 995 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 996 voyagerfb_brightness_down, TRUE); 997 } 998 999 static void 1000 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level) 1001 { 1002 1003 /* 1004 * should we do nothing when backlight is off, should we just store the 1005 * level and use it when turning back on or should we just flip sc_bl_on 1006 * and turn the backlight on? 1007 * For now turn it on so a crashed screensaver can't get the user stuck 1008 * with a dark screen as long as hotkeys work 1009 */ 1010 if (level > 255) level = 255; 1011 if (level < 0) level = 0; 1012 if (level == sc->sc_bl_level) 1013 return; 1014 sc->sc_bl_level = level; 1015 if (sc->sc_bl_on == 0) 1016 sc->sc_bl_on = 1; 1017 /* and here we would actually muck with the hardware */ 1018 if ((level == 0) || (level == 255)) { 1019 /* in these cases bypass the PWM and use the gpio */ 1020 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1021 if (level == 0) { 1022 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1023 } else { 1024 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1025 } 1026 } else { 1027 uint32_t pwm; 1028 1029 pwm = voyager_set_pwm(20000, level * 1000 / 256); 1030 pwm |= SM502_PWM_ENABLE; 1031 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm); 1032 1033 /* let the PWM take over */ 1034 voyager_control_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT); 1035 } 1036 } 1037 1038 static void 1039 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on) 1040 { 1041 1042 if (on == sc->sc_bl_on) 1043 return; 1044 sc->sc_bl_on = on; 1045 if (on) { 1046 int level = sc->sc_bl_level; 1047 1048 sc->sc_bl_level = -1; 1049 voyagerfb_set_backlight(sc, level); 1050 } else { 1051 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1052 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0); 1053 } 1054 } 1055 1056 1057 static void 1058 voyagerfb_brightness_up(device_t dev) 1059 { 1060 struct voyagerfb_softc *sc = device_private(dev); 1061 1062 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8); 1063 } 1064 1065 static void 1066 voyagerfb_brightness_down(device_t dev) 1067 { 1068 struct voyagerfb_softc *sc = device_private(dev); 1069 1070 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8); 1071 } 1072 1073 static int 1074 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y) 1075 { 1076 uint32_t val; 1077 int xx, yy; 1078 1079 sc->sc_cur_x = x; 1080 sc->sc_cur_y = y; 1081 1082 xx = x - sc->sc_hot_x; 1083 yy = y - sc->sc_hot_y; 1084 1085 if (xx < 0) xx = abs(xx) | 0x800; 1086 if (yy < 0) yy = abs(yy) | 0x800; 1087 1088 val = (xx & 0xffff) | (yy << 16); 1089 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val); 1090 1091 return 0; 1092 } 1093 1094 static int 1095 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1096 { 1097 /* do nothing for now */ 1098 return 0; 1099 } 1100 1101 static int 1102 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur) 1103 { 1104 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1105 1106 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1107 SM502_PANEL_CRSR_ADDR, 1108 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0)); 1109 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr); 1110 } 1111 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1112 1113 sc->sc_hot_x = cur->hot.x; 1114 sc->sc_hot_y = cur->hot.y; 1115 } 1116 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1117 1118 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y); 1119 } 1120 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1121 int i, idx; 1122 uint32_t val; 1123 1124 for (i = 0; i < cur->cmap.count; i++) { 1125 val = ((cur->cmap.red[i] & 0xf8) << 8) | 1126 ((cur->cmap.green[i] & 0xfc) << 3) | 1127 ((cur->cmap.blue[i] & 0xf8) >> 3); 1128 idx = i + cur->cmap.index; 1129 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1130 SM502_PANEL_CRSR_COL12 + (idx << 1), 1131 val); 1132 /* 1133 * if userland doesn't try to set the 3rd colour we 1134 * assume it expects an X11-style 2 colour cursor 1135 * X should be our main user anyway 1136 */ 1137 if ((idx == 1) && 1138 ((cur->cmap.count + cur->cmap.index) < 3)) { 1139 bus_space_write_2(sc->sc_memt, sc->sc_regh, 1140 SM502_PANEL_CRSR_COL3, 1141 val); 1142 } 1143 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index, val); 1144 } 1145 } 1146 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1147 1148 int i, j, cnt = 0; 1149 uint32_t latch = 0, omask; 1150 uint8_t imask; 1151 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y); 1152 for (i = 0; i < 256; i++) { 1153 omask = 0x00000001; 1154 imask = 0x01; 1155 cur->image[cnt] &= cur->mask[cnt]; 1156 for (j = 0; j < 8; j++) { 1157 if (cur->mask[cnt] & imask) 1158 latch |= omask; 1159 omask <<= 1; 1160 if (cur->image[cnt] & imask) 1161 latch |= omask; 1162 omask <<= 1; 1163 imask <<= 1; 1164 } 1165 cnt++; 1166 imask = 0x01; 1167 cur->image[cnt] &= cur->mask[cnt]; 1168 for (j = 0; j < 8; j++) { 1169 if (cur->mask[cnt] & imask) 1170 latch |= omask; 1171 omask <<= 1; 1172 if (cur->image[cnt] & imask) 1173 latch |= omask; 1174 omask <<= 1; 1175 imask <<= 1; 1176 } 1177 cnt++; 1178 sc->sc_cursor[i] = latch; 1179 latch = 0; 1180 } 1181 } 1182 return 0; 1183 } 1184
Indexes created Tue Sep 30 11:09:46 GMT 2025