pvr.c revision 1.25
1 /* $NetBSD: pvr.c,v 1.25 2008/05/26 10:31:22 nisimura Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Marcus Comstedt. 5 * Copyright (c) 2001 Jason R. Thorpe. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Marcus Comstedt. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 37 38 __KERNEL_RCSID(0, "$NetBSD: pvr.c,v 1.25 2008/05/26 10:31:22 nisimura Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/device.h> 44 #include <sys/malloc.h> 45 #include <sys/buf.h> 46 #include <sys/ioctl.h> 47 48 #include <machine/vmparam.h> 49 #include <machine/cpu.h> 50 #include <machine/bus.h> 51 52 #include <dev/cons.h> 53 54 #include <dev/wscons/wsconsio.h> 55 #include <dev/wscons/wsdisplayvar.h> 56 57 #include <dev/wscons/wscons_callbacks.h> 58 59 #include <dev/rasops/rasops.h> 60 #include <dev/wsfont/wsfont.h> 61 62 #include <dreamcast/dev/pvrvar.h> 63 #include <dreamcast/dev/maple/mkbdvar.h> 64 65 #include "mkbd.h" 66 67 #define PVRREG_FBSTART 0x05000000 68 #define PVRREG_REGSTART 0x005f8000 69 70 #define PVRREG_BRDCOLR 0x40 71 #define BRDCOLR_BLUE(x) ((x) << 0) 72 #define BRDCOLR_GREEN(x) ((x) << 8) 73 #define BRDCOLR_RED(x) ((x) << 16) 74 75 #define PVRREG_DIWMODE 0x44 76 #define DIWMODE_DE (1U << 0) /* display enable */ 77 #define DIWMODE_SD (1U << 1) /* scan double enable */ 78 #define DIWMODE_COL(x) ((x) << 2) 79 #define DIWMODE_COL_RGB555 DIWMODE_COL(0) /* RGB555, 16-bit */ 80 #define DIWMODE_COL_RGB565 DIWMODE_COL(1) /* RGB565, 16-bit */ 81 #define DIWMODE_COL_RGB888 DIWMODE_COL(2) /* RGB888, 24-bit */ 82 #define DIWMODE_COL_ARGB888 DIWMODE_COL(3) /* RGB888, 32-bit */ 83 #define DIWMODE_C (1U << 23) /* 2x clock enable (VGA) */ 84 85 #define PVRREG_DIWADDRL 0x50 86 87 #define PVRREG_DIWADDRS 0x54 88 89 #define PVRREG_DIWSIZE 0x5c 90 #define DIWSIZE_DPL(x) ((x) << 0) /* pixel data per line */ 91 #define DIWSIZE_LPF(x) ((x) << 10) /* lines per field */ 92 #define DIWSIZE_MODULO(x) ((x) << 20) /* words to skip + 1 */ 93 94 #define PVRREG_RASEVTPOS 0xcc 95 #define RASEVTPOS_BOTTOM(x) ((x) << 0) 96 #define RASEVTPOS_TOP(x) ((x) << 16) 97 98 #define PVRREG_SYNCCONF 0xd0 99 #define SYNCCONF_VP (1U << 0) /* V-sync polarity */ 100 #define SYNCCONF_HP (1U << 1) /* H-sync polarity */ 101 #define SYNCCONF_I (1U << 4) /* interlace */ 102 #define SYNCCONF_BC(x) (1U << 6) /* broadcast standard */ 103 #define SYNCCONF_VO (1U << 8) /* video output enable */ 104 105 #define PVRREG_BRDHORZ 0xd4 106 #define BRDHORZ_STOP(x) ((x) << 0) 107 #define BRDHORZ_START(x) ((x) << 16) 108 109 #define PVRREG_SYNCSIZE 0xd8 110 #define SYNCSIZE_H(x) ((x) << 0) 111 #define SYNCSIZE_V(x) ((x) << 16) 112 113 #define PVRREG_BRDVERT 0xdc 114 #define BRDVERT_STOP(x) ((x) << 0) 115 #define BRDVERT_START(x) ((x) << 16) 116 117 #define PVRREG_DIWCONF 0xe8 118 #define DIWCONF_LR (1U << 8) /* low-res */ 119 #define DIWCONF_MAGIC (22 << 16) 120 121 #define PVRREG_DIWHSTRT 0xec 122 123 #define PVRREG_DIWVSTRT 0xf0 124 #define DIWVSTRT_V1(x) ((x) << 0) 125 #define DIWVSTRT_V2(x) ((x) << 16) 126 127 #define PVR_REG_READ(dc, reg) \ 128 ((volatile uint32_t *)(dc)->dc_regvaddr)[(reg) >> 2] 129 #define PVR_REG_WRITE(dc, reg, val) \ 130 ((volatile uint32_t *)(dc)->dc_regvaddr)[(reg) >> 2] = (val) 131 132 struct fb_devconfig { 133 vaddr_t dc_vaddr; /* framebuffer virtual address */ 134 vaddr_t dc_paddr; /* framebuffer physical address */ 135 vaddr_t dc_regvaddr; /* registers virtual address */ 136 vaddr_t dc_regpaddr; /* registers physical address */ 137 int dc_wid; /* width of frame buffer */ 138 int dc_ht; /* height of frame buffer */ 139 int dc_depth; /* depth, bits per pixel */ 140 int dc_rowbytes; /* bytes in a FB scan line */ 141 vaddr_t dc_videobase; /* base of flat frame buffer */ 142 int dc_blanked; /* currently has video disabled */ 143 int dc_dispflags; /* display flags */ 144 int dc_tvsystem; /* TV broadcast system */ 145 146 struct rasops_info rinfo; 147 }; 148 149 #define PVR_RGBMODE 0x01 /* RGB or composite */ 150 #define PVR_VGAMODE 0x02 /* VGA */ 151 152 struct pvr_softc { 153 struct device sc_dev; 154 struct fb_devconfig *sc_dc; /* device configuration */ 155 int nscreens; 156 }; 157 158 int pvr_match(struct device *, struct cfdata *, void *); 159 void pvr_attach(struct device *, struct device *, void *); 160 161 CFATTACH_DECL(pvr, sizeof(struct pvr_softc), 162 pvr_match, pvr_attach, NULL, NULL); 163 164 void pvr_getdevconfig(struct fb_devconfig *); 165 166 struct fb_devconfig pvr_console_dc; 167 168 char pvr_stdscreen_textgeom[32] = { "std" }; /* XXX yuck */ 169 170 struct wsscreen_descr pvr_stdscreen = { 171 pvr_stdscreen_textgeom, 0, 0, 172 0, /* textops */ 173 0, 0, 174 WSSCREEN_WSCOLORS, 175 }; 176 177 const struct wsscreen_descr *_pvr_scrlist[] = { 178 &pvr_stdscreen, 179 }; 180 181 const struct wsscreen_list pvr_screenlist = { 182 sizeof(_pvr_scrlist) / sizeof(struct wsscreen_descr *), _pvr_scrlist 183 }; 184 185 int pvrioctl(void *, void *, u_long, void *, int, struct lwp *); 186 paddr_t pvrmmap(void *, void *, off_t, int); 187 188 int pvr_alloc_screen(void *, const struct wsscreen_descr *, 189 void **, int *, int *, long *); 190 void pvr_free_screen(void *, void *); 191 int pvr_show_screen(void *, void *, int, 192 void (*)(void *, int, int), void *); 193 194 const struct wsdisplay_accessops pvr_accessops = { 195 pvrioctl, 196 pvrmmap, 197 pvr_alloc_screen, 198 pvr_free_screen, 199 pvr_show_screen, 200 NULL, /* load_font */ 201 }; 202 203 void pvrinit(struct fb_devconfig *); 204 205 int pvr_is_console; 206 207 int 208 pvr_match(struct device *parent, struct cfdata *match, void *aux) 209 { 210 211 return 1; 212 } 213 214 void 215 pvr_getdevconfig(struct fb_devconfig *dc) 216 { 217 int i, cookie; 218 219 dc->dc_paddr = PVRREG_FBSTART; 220 dc->dc_vaddr = SH3_PHYS_TO_P2SEG(dc->dc_paddr); 221 222 dc->dc_regpaddr = PVRREG_REGSTART; 223 dc->dc_regvaddr = SH3_PHYS_TO_P2SEG(dc->dc_regpaddr); 224 225 dc->dc_wid = 640; 226 dc->dc_ht = 480; 227 dc->dc_depth = 16; 228 dc->dc_rowbytes = dc->dc_wid * (dc->dc_depth / 8); 229 dc->dc_videobase = dc->dc_vaddr; 230 dc->dc_blanked = 0; 231 dc->dc_dispflags = 0; 232 233 /* Clear the screen. */ 234 for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(uint32_t)) 235 *(uint32_t *)(dc->dc_videobase + i) = 0x0; 236 237 /* Initialize the device. */ 238 pvrinit(dc); 239 240 dc->rinfo.ri_flg = 0; 241 dc->rinfo.ri_depth = dc->dc_depth; 242 dc->rinfo.ri_bits = (void *) dc->dc_videobase; 243 dc->rinfo.ri_width = dc->dc_wid; 244 dc->rinfo.ri_height = dc->dc_ht; 245 dc->rinfo.ri_stride = dc->dc_rowbytes; 246 247 wsfont_init(); 248 /* prefer 8 pixel wide font */ 249 cookie = wsfont_find(NULL, 8, 0, 0, WSDISPLAY_FONTORDER_L2R, 250 WSDISPLAY_FONTORDER_L2R); 251 if (cookie <= 0) 252 cookie = wsfont_find(NULL, 0, 0, 0, WSDISPLAY_FONTORDER_L2R, 253 WSDISPLAY_FONTORDER_L2R); 254 if (cookie <= 0) { 255 printf("pvr: font table is empty\n"); 256 return; 257 } 258 259 if (wsfont_lock(cookie, &dc->rinfo.ri_font)) { 260 printf("pvr: unable to lock font\n"); 261 return; 262 } 263 dc->rinfo.ri_wsfcookie = cookie; 264 265 rasops_init(&dc->rinfo, 500, 500); 266 267 /* XXX shouldn't be global */ 268 pvr_stdscreen.nrows = dc->rinfo.ri_rows; 269 pvr_stdscreen.ncols = dc->rinfo.ri_cols; 270 pvr_stdscreen.textops = &dc->rinfo.ri_ops; 271 pvr_stdscreen.capabilities = dc->rinfo.ri_caps; 272 273 /* XXX yuck */ 274 sprintf(pvr_stdscreen_textgeom, "%dx%d", pvr_stdscreen.ncols, 275 pvr_stdscreen.nrows); 276 } 277 278 void 279 pvr_attach(struct device *parent, struct device *self, void *aux) 280 { 281 struct pvr_softc *sc = (void *) self; 282 struct wsemuldisplaydev_attach_args waa; 283 int console; 284 static const char *tvsystem_name[4] = 285 { "NTSC", "PAL", "PAL-M", "PAL-N" }; 286 287 console = pvr_is_console; 288 if (console) { 289 sc->sc_dc = &pvr_console_dc; 290 sc->nscreens = 1; 291 } else { 292 sc->sc_dc = malloc(sizeof(struct fb_devconfig), M_DEVBUF, 293 M_WAITOK); 294 pvr_getdevconfig(sc->sc_dc); 295 } 296 printf(": %d x %d, %dbpp, %s, %s\n", sc->sc_dc->dc_wid, 297 sc->sc_dc->dc_ht, sc->sc_dc->dc_depth, 298 (sc->sc_dc->dc_dispflags & PVR_VGAMODE) ? "VGA" : 299 tvsystem_name[sc->sc_dc->dc_tvsystem], 300 (sc->sc_dc->dc_dispflags & PVR_RGBMODE) ? "RGB" : "composite"); 301 302 /* XXX Colormap initialization? */ 303 304 waa.console = console; 305 waa.scrdata = &pvr_screenlist; 306 waa.accessops = &pvr_accessops; 307 waa.accesscookie = sc; 308 309 (void) config_found(self, &waa, wsemuldisplaydevprint); 310 } 311 312 int 313 pvrioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) 314 { 315 struct pvr_softc *sc = v; 316 struct fb_devconfig *dc = sc->sc_dc; 317 318 switch (cmd) { 319 case WSDISPLAYIO_GTYPE: 320 *(u_int *)data = WSDISPLAY_TYPE_DCPVR; 321 return 0; 322 323 case WSDISPLAYIO_GINFO: 324 #define wsd_fbip ((struct wsdisplay_fbinfo *)data) 325 wsd_fbip->height = sc->sc_dc->dc_ht; 326 wsd_fbip->width = sc->sc_dc->dc_wid; 327 wsd_fbip->depth = sc->sc_dc->dc_depth; 328 wsd_fbip->cmsize = 0; /* XXX Colormap */ 329 #undef wsd_fbip 330 return 0; 331 332 case WSDISPLAYIO_GETCMAP: 333 case WSDISPLAYIO_PUTCMAP: 334 return EPASSTHROUGH; /* XXX Colormap */ 335 336 case WSDISPLAYIO_SVIDEO: 337 switch (*(u_int *)data) { 338 case WSDISPLAYIO_VIDEO_OFF: 339 if (!dc->dc_blanked) { 340 dc->dc_blanked = 1; 341 PVR_REG_WRITE(dc, PVRREG_DIWMODE, 342 PVR_REG_READ(dc, PVRREG_DIWMODE) & 343 ~DIWMODE_DE); 344 } 345 break; 346 case WSDISPLAYIO_VIDEO_ON: 347 if (dc->dc_blanked) { 348 dc->dc_blanked = 0; 349 PVR_REG_WRITE(dc, PVRREG_DIWMODE, 350 PVR_REG_READ(dc, PVRREG_DIWMODE) | 351 DIWMODE_DE); 352 } 353 break; 354 default: 355 return EPASSTHROUGH; /* XXX */ 356 } 357 return 0; 358 359 case WSDISPLAYIO_GVIDEO: 360 *(u_int *)data = dc->dc_blanked ? 361 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; 362 return 0; 363 364 case WSDISPLAYIO_GCURPOS: 365 case WSDISPLAYIO_SCURPOS: 366 case WSDISPLAYIO_GCURMAX: 367 case WSDISPLAYIO_GCURSOR: 368 case WSDISPLAYIO_SCURSOR: 369 return EPASSTHROUGH; /* XXX */ 370 } 371 372 return EPASSTHROUGH; 373 } 374 375 paddr_t 376 pvrmmap(void *v, void *vs, off_t offset, int prot) 377 { 378 379 /* 380 * XXX This should be easy to support -- just need to define 381 * XXX offsets for the contol regs, etc. 382 */ 383 384 struct pvr_softc *sc = v; 385 struct fb_devconfig *dc = sc->sc_dc; 386 paddr_t addr; 387 388 if (offset >= 0 && 389 offset < sh3_round_page(dc->dc_rowbytes * dc->dc_ht)) 390 addr = sh3_btop(dc->dc_paddr + offset); 391 else 392 addr = (-1); /* XXX bogus */ 393 394 return addr; 395 } 396 397 int 398 pvr_alloc_screen(void *v, const struct wsscreen_descr *type, 399 void **cookiep, int *curxp, int *curyp, long *attrp) 400 { 401 struct pvr_softc *sc = v; 402 long defattr; 403 404 if (sc->nscreens > 0) 405 return ENOMEM; 406 407 *cookiep = &sc->sc_dc->rinfo; /* one and only for now */ 408 *curxp = 0; 409 *curyp = 0; 410 (*sc->sc_dc->rinfo.ri_ops.allocattr)(&sc->sc_dc->rinfo, 0, 0, 0, 411 &defattr); 412 *attrp = defattr; 413 sc->nscreens++; 414 return 0; 415 } 416 417 void 418 pvr_free_screen(void *v, void *cookie) 419 { 420 struct pvr_softc *sc = v; 421 422 if (sc->sc_dc == &pvr_console_dc) 423 panic("pvr_free_screen: console"); 424 425 sc->nscreens--; 426 } 427 428 int 429 pvr_show_screen(void *v, void *cookie, int waitok, 430 void (*cb)(void *, int, int), void *cbarg) 431 { 432 433 return 0; 434 } 435 436 static void 437 pvr_check_cable(struct fb_devconfig *dc) 438 { 439 volatile uint32_t *porta = 440 (volatile uint32_t *)0xff80002c; 441 uint16_t v; 442 443 /* PORT8 and PORT9 is input */ 444 *porta = (*porta & ~0xf0000) | 0xa0000; 445 446 /* Read PORT8 and PORT9 */ 447 v = ((*(volatile uint16_t *)(porta + 1)) >> 8) & 3; 448 449 if ((v & 2) == 0) 450 dc->dc_dispflags |= PVR_VGAMODE|PVR_RGBMODE; 451 else if ((v & 1) == 0) 452 dc->dc_dispflags |= PVR_RGBMODE; 453 } 454 455 static void 456 pvr_check_tvsys(struct fb_devconfig *dc) 457 { 458 459 /* XXX should use flashmem device when one exists */ 460 dc->dc_tvsystem = (*(volatile uint8_t *)0xa021a004) & 3; 461 } 462 463 void 464 pvrinit(struct fb_devconfig *dc) 465 { 466 int display_lines_per_field; 467 int v_absolute_size; 468 int h_absolute_size; 469 int vborder_start, vborder_stop; 470 int hborder_start, hborder_stop; 471 int modulo = 1, voffset, hoffset; 472 473 pvr_check_cable(dc); 474 pvr_check_tvsys(dc); 475 476 PVR_REG_WRITE(dc, 8, 0); /* reset */ 477 PVR_REG_WRITE(dc, PVRREG_BRDCOLR, 0); /* black border */ 478 479 if (dc->dc_dispflags & PVR_VGAMODE) { 480 v_absolute_size = 524; 481 h_absolute_size = 857; 482 483 display_lines_per_field = 480; 484 hoffset = 164; 485 voffset = 36; 486 487 hborder_start = 126; 488 hborder_stop = 837; 489 490 vborder_start = 40; 491 vborder_stop = 444; /* XXX */ 492 493 /* 31kHz, RGB565 */ 494 PVR_REG_WRITE(dc, PVRREG_DIWMODE, 495 DIWMODE_C | DIWMODE_COL_RGB565); 496 497 /* video output */ 498 PVR_REG_WRITE(dc, PVRREG_SYNCCONF, SYNCCONF_VO); 499 } else { 500 if (dc->dc_tvsystem & 1) { 501 /* 50 Hz PAL */ 502 v_absolute_size = 624; 503 h_absolute_size = 863; 504 505 display_lines_per_field = 240; 506 hoffset = 174; 507 voffset = 18; 508 509 hborder_start = 116; 510 hborder_stop = 843; 511 512 vborder_start = 44; 513 vborder_stop = 536; /* XXX */ 514 } else { 515 /* 60 Hz NTSC */ 516 v_absolute_size = 524; 517 h_absolute_size = 857; 518 519 display_lines_per_field = 240; 520 hoffset = 170; 521 voffset = 28; 522 523 hborder_start = 126; 524 hborder_stop = 837; 525 526 vborder_start = 18; 527 vborder_stop = 506; /* XXX */ 528 } 529 530 modulo += 640 * 2 / 4; /* interlace -> skip every other line */ 531 532 /* 15kHz, RGB565 */ 533 PVR_REG_WRITE(dc, PVRREG_DIWMODE, 534 DIWMODE_COL_RGB565); 535 536 /* video output, PAL/NTSC, interlace */ 537 PVR_REG_WRITE(dc, PVRREG_SYNCCONF, 538 SYNCCONF_VO | SYNCCONF_I | SYNCCONF_BC(dc->dc_tvsystem)); 539 } 540 541 /* video base address, long field */ 542 PVR_REG_WRITE(dc, PVRREG_DIWADDRL, 0); 543 544 /* video base address, short field */ 545 PVR_REG_WRITE(dc, PVRREG_DIWADDRS, 640 * 2); 546 547 /* video size */ 548 PVR_REG_WRITE(dc, PVRREG_DIWSIZE, DIWSIZE_MODULO(modulo) | 549 DIWSIZE_LPF(display_lines_per_field - 1) | 550 DIWSIZE_DPL(640 * 2 / 4 - 1)); 551 552 PVR_REG_WRITE(dc, PVRREG_DIWVSTRT, /* V start */ 553 DIWVSTRT_V1(voffset) | DIWVSTRT_V2(voffset)); 554 PVR_REG_WRITE(dc, PVRREG_BRDVERT, /* V border */ 555 BRDVERT_START(vborder_start) | BRDVERT_STOP(vborder_stop)); 556 PVR_REG_WRITE(dc, PVRREG_DIWHSTRT, hoffset); /* H start */ 557 PVR_REG_WRITE(dc, PVRREG_SYNCSIZE, /* HV counter */ 558 SYNCSIZE_V(v_absolute_size) | SYNCSIZE_H(h_absolute_size)); 559 PVR_REG_WRITE(dc, PVRREG_BRDHORZ, /* H border */ 560 BRDHORZ_START(hborder_start) | BRDHORZ_STOP(hborder_stop)); 561 PVR_REG_WRITE(dc, PVRREG_DIWCONF, DIWCONF_MAGIC); 562 563 /* RGB / composite */ 564 *(volatile uint32_t *) 565 SH3_PHYS_TO_P2SEG(0x00702c00) = 566 ((dc->dc_dispflags & PVR_RGBMODE) ? 0 : 3) << 8; 567 568 /* display on */ 569 PVR_REG_WRITE(dc, PVRREG_DIWMODE, 570 PVR_REG_READ(dc, PVRREG_DIWMODE) | DIWMODE_DE); 571 } 572 573 /* Console support. */ 574 575 void pvrcnprobe(struct consdev *); 576 void pvrcninit(struct consdev *); 577 578 void 579 pvrcninit(struct consdev *cndev) 580 { 581 struct fb_devconfig *dcp = &pvr_console_dc; 582 long defattr; 583 584 pvr_getdevconfig(dcp); 585 (*dcp->rinfo.ri_ops.allocattr)(&dcp->rinfo, 0, 0, 0, &defattr); 586 wsdisplay_cnattach(&pvr_stdscreen, &dcp->rinfo, 0, 0, defattr); 587 588 pvr_is_console = 1; 589 590 cn_tab->cn_pri = CN_INTERNAL; 591 592 #if NMKBD > 0 593 mkbd_cnattach(); /* connect keyboard and screen together */ 594 #endif 595 } 596 597 void 598 pvrcnprobe(struct consdev *cndev) 599 { 600 #if NWSDISPLAY > 0 601 int maj, unit; 602 extern const struct cdevsw wsdisplay_cdevsw; 603 #endif 604 cndev->cn_dev = NODEV; 605 cndev->cn_pri = CN_NORMAL; 606 607 #if NWSDISPLAY > 0 608 unit = 0; 609 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 610 if (maj != -1) { 611 cndev->cn_pri = CN_INTERNAL; 612 cndev->cn_dev = makedev(maj, unit); 613 } 614 #endif 615 } 616
Indexes created Mon Oct 20 20:10:13 GMT 2025