1 /*- 2 * Copyright (c) 2003 Peter Grehan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/module.h> 33 #include <sys/bus.h> 34 #include <sys/kernel.h> 35 #include <sys/sysctl.h> 36 #include <sys/limits.h> 37 #include <sys/conf.h> 38 #include <sys/cons.h> 39 #include <sys/proc.h> 40 #include <sys/fcntl.h> 41 #include <sys/malloc.h> 42 #include <sys/fbio.h> 43 #include <sys/consio.h> 44 45 #include <machine/bus.h> 46 #include <machine/sc_machdep.h> 47 48 #include <sys/rman.h> 49 50 #include <dev/fb/fbreg.h> 51 #include <dev/syscons/syscons.h> 52 53 #include <dev/ofw/openfirm.h> 54 #include <dev/ofw/ofw_pci.h> 55 #include <powerpc/ofw/ofw_syscons.h> 56 #include <machine/nexusvar.h> 57 58 static int ofwfb_ignore_mmap_checks; 59 SYSCTL_NODE(_hw, OID_AUTO, ofwfb, CTLFLAG_RD, 0, "ofwfb"); 60 SYSCTL_INT(_hw_ofwfb, OID_AUTO, relax_mmap, CTLFLAG_RW, 61 &ofwfb_ignore_mmap_checks, 0, "relax mmap bounds checking"); 62 63 extern u_char dflt_font_16[]; 64 extern u_char dflt_font_14[]; 65 extern u_char dflt_font_8[]; 66 67 static int ofwfb_configure(int flags); 68 69 static vi_probe_t ofwfb_probe; 70 static vi_init_t ofwfb_init; 71 static vi_get_info_t ofwfb_get_info; 72 static vi_query_mode_t ofwfb_query_mode; 73 static vi_set_mode_t ofwfb_set_mode; 74 static vi_save_font_t ofwfb_save_font; 75 static vi_load_font_t ofwfb_load_font; 76 static vi_show_font_t ofwfb_show_font; 77 static vi_save_palette_t ofwfb_save_palette; 78 static vi_load_palette_t ofwfb_load_palette; 79 static vi_set_border_t ofwfb_set_border; 80 static vi_save_state_t ofwfb_save_state; 81 static vi_load_state_t ofwfb_load_state; 82 static vi_set_win_org_t ofwfb_set_win_org; 83 static vi_read_hw_cursor_t ofwfb_read_hw_cursor; 84 static vi_set_hw_cursor_t ofwfb_set_hw_cursor; 85 static vi_set_hw_cursor_shape_t ofwfb_set_hw_cursor_shape; 86 static vi_blank_display_t ofwfb_blank_display; 87 static vi_mmap_t ofwfb_mmap; 88 static vi_ioctl_t ofwfb_ioctl; 89 static vi_clear_t ofwfb_clear; 90 static vi_fill_rect_t ofwfb_fill_rect; 91 static vi_bitblt_t ofwfb_bitblt; 92 static vi_diag_t ofwfb_diag; 93 static vi_save_cursor_palette_t ofwfb_save_cursor_palette; 94 static vi_load_cursor_palette_t ofwfb_load_cursor_palette; 95 static vi_copy_t ofwfb_copy; 96 static vi_putp_t ofwfb_putp; 97 static vi_putc_t ofwfb_putc; 98 static vi_puts_t ofwfb_puts; 99 static vi_putm_t ofwfb_putm; 100 101 static video_switch_t ofwfbvidsw = { 102 .probe = ofwfb_probe, 103 .init = ofwfb_init, 104 .get_info = ofwfb_get_info, 105 .query_mode = ofwfb_query_mode, 106 .set_mode = ofwfb_set_mode, 107 .save_font = ofwfb_save_font, 108 .load_font = ofwfb_load_font, 109 .show_font = ofwfb_show_font, 110 .save_palette = ofwfb_save_palette, 111 .load_palette = ofwfb_load_palette, 112 .set_border = ofwfb_set_border, 113 .save_state = ofwfb_save_state, 114 .load_state = ofwfb_load_state, 115 .set_win_org = ofwfb_set_win_org, 116 .read_hw_cursor = ofwfb_read_hw_cursor, 117 .set_hw_cursor = ofwfb_set_hw_cursor, 118 .set_hw_cursor_shape = ofwfb_set_hw_cursor_shape, 119 .blank_display = ofwfb_blank_display, 120 .mmap = ofwfb_mmap, 121 .ioctl = ofwfb_ioctl, 122 .clear = ofwfb_clear, 123 .fill_rect = ofwfb_fill_rect, 124 .bitblt = ofwfb_bitblt, 125 .diag = ofwfb_diag, 126 .save_cursor_palette = ofwfb_save_cursor_palette, 127 .load_cursor_palette = ofwfb_load_cursor_palette, 128 .copy = ofwfb_copy, 129 .putp = ofwfb_putp, 130 .putc = ofwfb_putc, 131 .puts = ofwfb_puts, 132 .putm = ofwfb_putm, 133 }; 134 135 /* 136 * bitmap depth-specific routines 137 */ 138 static vi_blank_display_t ofwfb_blank_display8; 139 static vi_putc_t ofwfb_putc8; 140 static vi_set_border_t ofwfb_set_border8; 141 142 static vi_blank_display_t ofwfb_blank_display32; 143 static vi_putc_t ofwfb_putc32; 144 static vi_set_border_t ofwfb_set_border32; 145 146 VIDEO_DRIVER(ofwfb, ofwfbvidsw, ofwfb_configure); 147 148 extern sc_rndr_sw_t txtrndrsw; 149 RENDERER(ofwfb, 0, txtrndrsw, gfb_set); 150 151 RENDERER_MODULE(ofwfb, gfb_set); 152 153 /* 154 * Define the iso6429-1983 colormap 155 */ 156 static struct { 157 uint8_t red; 158 uint8_t green; 159 uint8_t blue; 160 } ofwfb_cmap[16] = { /* # R G B Color */ 161 /* - - - - ----- */ 162 { 0x00, 0x00, 0x00 }, /* 0 0 0 0 Black */ 163 { 0x00, 0x00, 0xaa }, /* 1 0 0 2/3 Blue */ 164 { 0x00, 0xaa, 0x00 }, /* 2 0 2/3 0 Green */ 165 { 0x00, 0xaa, 0xaa }, /* 3 0 2/3 2/3 Cyan */ 166 { 0xaa, 0x00, 0x00 }, /* 4 2/3 0 0 Red */ 167 { 0xaa, 0x00, 0xaa }, /* 5 2/3 0 2/3 Magenta */ 168 { 0xaa, 0x55, 0x00 }, /* 6 2/3 1/3 0 Brown */ 169 { 0xaa, 0xaa, 0xaa }, /* 7 2/3 2/3 2/3 White */ 170 { 0x55, 0x55, 0x55 }, /* 8 1/3 1/3 1/3 Gray */ 171 { 0x55, 0x55, 0xff }, /* 9 1/3 1/3 1 Bright Blue */ 172 { 0x55, 0xff, 0x55 }, /* 10 1/3 1 1/3 Bright Green */ 173 { 0x55, 0xff, 0xff }, /* 11 1/3 1 1 Bright Cyan */ 174 { 0xff, 0x55, 0x55 }, /* 12 1 1/3 1/3 Bright Red */ 175 { 0xff, 0x55, 0xff }, /* 13 1 1/3 1 Bright Magenta */ 176 { 0xff, 0xff, 0x80 }, /* 14 1 1 1/3 Bright Yellow */ 177 { 0xff, 0xff, 0xff } /* 15 1 1 1 Bright White */ 178 }; 179 180 #define TODO printf("%s: unimplemented\n", __func__) 181 182 static u_int16_t ofwfb_static_window[ROW*COL]; 183 184 static struct ofwfb_softc ofwfb_softc; 185 186 static __inline int 187 ofwfb_background(uint8_t attr) 188 { 189 return (attr >> 4); 190 } 191 192 static __inline int 193 ofwfb_foreground(uint8_t attr) 194 { 195 return (attr & 0x0f); 196 } 197 198 static u_int 199 ofwfb_pix32(int attr) 200 { 201 u_int retval; 202 203 retval = (ofwfb_cmap[attr].blue << 16) | 204 (ofwfb_cmap[attr].green << 8) | 205 ofwfb_cmap[attr].red; 206 207 return (retval); 208 } 209 210 static int 211 ofwfb_configure(int flags) 212 { 213 struct ofwfb_softc *sc; 214 phandle_t chosen; 215 ihandle_t stdout; 216 phandle_t node; 217 int depth; 218 int disable; 219 int len; 220 char type[16]; 221 static int done = 0; 222 223 disable = 0; 224 TUNABLE_INT_FETCH("hw.syscons.disable", &disable); 225 if (disable != 0) 226 return (0); 227 228 if (done != 0) 229 return (0); 230 done = 1; 231 232 sc = &ofwfb_softc; 233 234 chosen = OF_finddevice("/chosen"); 235 OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)); 236 node = OF_instance_to_package(stdout); 237 OF_getprop(node, "device_type", type, sizeof(type)); 238 if (strcmp(type, "display") != 0) 239 return (0); 240 241 /* Only support 8 and 32-bit framebuffers */ 242 OF_getprop(node, "depth", &depth, sizeof(depth)); 243 if (depth == 8) { 244 sc->sc_blank = ofwfb_blank_display8; 245 sc->sc_putc = ofwfb_putc8; 246 sc->sc_set_border = ofwfb_set_border8; 247 } else if (depth == 32) { 248 sc->sc_blank = ofwfb_blank_display32; 249 sc->sc_putc = ofwfb_putc32; 250 sc->sc_set_border = ofwfb_set_border32; 251 } else 252 return (0); 253 254 sc->sc_depth = depth; 255 sc->sc_node = node; 256 sc->sc_console = 1; 257 OF_getprop(node, "height", &sc->sc_height, sizeof(sc->sc_height)); 258 OF_getprop(node, "width", &sc->sc_width, sizeof(sc->sc_width)); 259 OF_getprop(node, "linebytes", &sc->sc_stride, sizeof(sc->sc_stride)); 260 261 /* 262 * XXX the physical address of the frame buffer is assumed to be 263 * BAT-mapped so it can be accessed directly 264 */ 265 OF_getprop(node, "address", &sc->sc_addr, sizeof(sc->sc_addr)); 266 267 /* 268 * Get the PCI addresses of the adapter. The node may be the 269 * child of the PCI device: in that case, try the parent for 270 * the assigned-addresses property. 271 */ 272 len = OF_getprop(node, "assigned-addresses", sc->sc_pciaddrs, 273 sizeof(sc->sc_pciaddrs)); 274 if (len == -1) { 275 len = OF_getprop(OF_parent(node), "assigned-addresses", sc->sc_pciaddrs, 276 sizeof(sc->sc_pciaddrs)); 277 } 278 279 if (len != -1) { 280 sc->sc_num_pciaddrs = len / sizeof(struct ofw_pci_register); 281 } 282 283 ofwfb_init(0, &sc->sc_va, 0); 284 285 return (0); 286 } 287 288 static int 289 ofwfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 290 { 291 TODO; 292 return (0); 293 } 294 295 static int 296 ofwfb_init(int unit, video_adapter_t *adp, int flags) 297 { 298 struct ofwfb_softc *sc; 299 video_info_t *vi; 300 char name[64]; 301 ihandle_t ih; 302 int i; 303 int cborder; 304 int font_height; 305 int retval; 306 307 sc = (struct ofwfb_softc *)adp; 308 vi = &adp->va_info; 309 310 vid_init_struct(adp, "ofwfb", -1, unit); 311 312 if (sc->sc_depth == 8) { 313 /* 314 * Install the ISO6429 colormap - older OFW systems 315 * don't do this by default 316 */ 317 memset(name, 0, sizeof(name)); 318 OF_package_to_path(sc->sc_node, name, sizeof(name)); 319 ih = OF_open(name); 320 for (i = 0; i < 16; i++) { 321 OF_call_method("color!", ih, 4, 1, 322 ofwfb_cmap[i].red, 323 ofwfb_cmap[i].green, 324 ofwfb_cmap[i].blue, 325 i, 326 &retval); 327 } 328 } 329 330 /* The default font size can be overridden by loader */ 331 font_height = 16; 332 TUNABLE_INT_FETCH("hw.syscons.fsize", &font_height); 333 if (font_height == 8) { 334 sc->sc_font = dflt_font_8; 335 sc->sc_font_height = 8; 336 } else if (font_height == 14) { 337 sc->sc_font = dflt_font_14; 338 sc->sc_font_height = 14; 339 } else { 340 /* default is 8x16 */ 341 sc->sc_font = dflt_font_16; 342 sc->sc_font_height = 16; 343 } 344 345 /* The user can set a border in chars - default is 1 char width */ 346 cborder = 1; 347 TUNABLE_INT_FETCH("hw.syscons.border", &cborder); 348 349 vi->vi_cheight = sc->sc_font_height; 350 vi->vi_width = sc->sc_width/8 - 2*cborder; 351 vi->vi_height = sc->sc_height/sc->sc_font_height - 2*cborder; 352 vi->vi_cwidth = 8; 353 354 /* 355 * Clamp width/height to syscons maximums 356 */ 357 if (vi->vi_width > COL) 358 vi->vi_width = COL; 359 if (vi->vi_height > ROW) 360 vi->vi_height = ROW; 361 362 sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2; 363 sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight))/2; 364 365 /* 366 * Avoid huge amounts of conditional code in syscons by 367 * defining a dummy h/w text display buffer. 368 */ 369 adp->va_window = (vm_offset_t) ofwfb_static_window; 370 371 /* Enable future font-loading and flag color support */ 372 adp->va_flags |= V_ADP_FONT | V_ADP_COLOR; 373 374 ofwfb_blank_display(&sc->sc_va, V_DISPLAY_ON); 375 376 ofwfb_set_mode(&sc->sc_va, 0); 377 378 vid_register(&sc->sc_va); 379 380 return (0); 381 } 382 383 static int 384 ofwfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 385 { 386 bcopy(&adp->va_info, info, sizeof(*info)); 387 return (0); 388 } 389 390 static int 391 ofwfb_query_mode(video_adapter_t *adp, video_info_t *info) 392 { 393 TODO; 394 return (0); 395 } 396 397 static int 398 ofwfb_set_mode(video_adapter_t *adp, int mode) 399 { 400 401 return (0); 402 } 403 404 static int 405 ofwfb_save_font(video_adapter_t *adp, int page, int size, int width, 406 u_char *data, int c, int count) 407 { 408 TODO; 409 return (0); 410 } 411 412 static int 413 ofwfb_load_font(video_adapter_t *adp, int page, int size, int width, 414 u_char *data, int c, int count) 415 { 416 struct ofwfb_softc *sc; 417 418 sc = (struct ofwfb_softc *)adp; 419 420 /* 421 * syscons code has already determined that current width/height 422 * are unchanged for this new font 423 */ 424 sc->sc_font = data; 425 return (0); 426 } 427 428 static int 429 ofwfb_show_font(video_adapter_t *adp, int page) 430 { 431 432 return (0); 433 } 434 435 static int 436 ofwfb_save_palette(video_adapter_t *adp, u_char *palette) 437 { 438 /* TODO; */ 439 return (0); 440 } 441 442 static int 443 ofwfb_load_palette(video_adapter_t *adp, u_char *palette) 444 { 445 /* TODO; */ 446 return (0); 447 } 448 449 static int 450 ofwfb_set_border8(video_adapter_t *adp, int border) 451 { 452 struct ofwfb_softc *sc; 453 int i, j; 454 uint8_t *addr; 455 uint8_t bground; 456 457 sc = (struct ofwfb_softc *)adp; 458 459 bground = ofwfb_background(border); 460 461 /* Set top margin */ 462 addr = (uint8_t *) sc->sc_addr; 463 for (i = 0; i < sc->sc_ymargin; i++) { 464 for (j = 0; j < sc->sc_width; j++) { 465 *(addr + j) = bground; 466 } 467 addr += sc->sc_stride; 468 } 469 470 /* bottom margin */ 471 addr = (uint8_t *) sc->sc_addr + (sc->sc_height - sc->sc_ymargin)*sc->sc_stride; 472 for (i = 0; i < sc->sc_ymargin; i++) { 473 for (j = 0; j < sc->sc_width; j++) { 474 *(addr + j) = bground; 475 } 476 addr += sc->sc_stride; 477 } 478 479 /* remaining left and right borders */ 480 addr = (uint8_t *) sc->sc_addr + sc->sc_ymargin*sc->sc_stride; 481 for (i = 0; i < sc->sc_height - 2*sc->sc_xmargin; i++) { 482 for (j = 0; j < sc->sc_xmargin; j++) { 483 *(addr + j) = bground; 484 *(addr + j + sc->sc_width - sc->sc_xmargin) = bground; 485 } 486 addr += sc->sc_stride; 487 } 488 489 return (0); 490 } 491 492 static int 493 ofwfb_set_border32(video_adapter_t *adp, int border) 494 { 495 /* XXX Be lazy for now and blank entire screen */ 496 return (ofwfb_blank_display32(adp, border)); 497 } 498 499 static int 500 ofwfb_set_border(video_adapter_t *adp, int border) 501 { 502 struct ofwfb_softc *sc; 503 504 sc = (struct ofwfb_softc *)adp; 505 506 return ((*sc->sc_set_border)(adp, border)); 507 } 508 509 static int 510 ofwfb_save_state(video_adapter_t *adp, void *p, size_t size) 511 { 512 TODO; 513 return (0); 514 } 515 516 static int 517 ofwfb_load_state(video_adapter_t *adp, void *p) 518 { 519 TODO; 520 return (0); 521 } 522 523 static int 524 ofwfb_set_win_org(video_adapter_t *adp, off_t offset) 525 { 526 TODO; 527 return (0); 528 } 529 530 static int 531 ofwfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 532 { 533 *col = 0; 534 *row = 0; 535 536 return (0); 537 } 538 539 static int 540 ofwfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 541 { 542 543 return (0); 544 } 545 546 static int 547 ofwfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 548 int celsize, int blink) 549 { 550 return (0); 551 } 552 553 static int 554 ofwfb_blank_display8(video_adapter_t *adp, int mode) 555 { 556 struct ofwfb_softc *sc; 557 int i; 558 uint8_t *addr; 559 560 sc = (struct ofwfb_softc *)adp; 561 addr = (uint8_t *) sc->sc_addr; 562 563 /* Could be done a lot faster e.g. 32-bits, or Altivec'd */ 564 for (i = 0; i < sc->sc_stride*sc->sc_height; i++) 565 *(addr + i) = ofwfb_background(SC_NORM_ATTR); 566 567 return (0); 568 } 569 570 static int 571 ofwfb_blank_display32(video_adapter_t *adp, int mode) 572 { 573 struct ofwfb_softc *sc; 574 int i; 575 uint32_t *addr; 576 577 sc = (struct ofwfb_softc *)adp; 578 addr = (uint32_t *) sc->sc_addr; 579 580 for (i = 0; i < (sc->sc_stride/4)*sc->sc_height; i++) 581 *(addr + i) = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR)); 582 583 return (0); 584 } 585 586 static int 587 ofwfb_blank_display(video_adapter_t *adp, int mode) 588 { 589 struct ofwfb_softc *sc; 590 591 sc = (struct ofwfb_softc *)adp; 592 593 return ((*sc->sc_blank)(adp, mode)); 594 } 595 596 static int 597 ofwfb_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr, 598 int prot) 599 { 600 struct ofwfb_softc *sc; 601 int i; 602 603 sc = (struct ofwfb_softc *)adp; 604 605 if (sc->sc_num_pciaddrs == 0) 606 return (ENOMEM); 607 608 /* 609 * Hack for Radeon... 610 */ 611 if (ofwfb_ignore_mmap_checks) { 612 *paddr = offset; 613 return (0); 614 } 615 616 /* 617 * Make sure the requested address lies within the PCI device's assigned addrs 618 */ 619 for (i = 0; i < sc->sc_num_pciaddrs; i++) 620 if (offset >= sc->sc_pciaddrs[i].phys_lo && 621 offset < (sc->sc_pciaddrs[i].phys_lo + sc->sc_pciaddrs[i].size_lo)) { 622 *paddr = offset; 623 return (0); 624 } 625 626 /* 627 * This might be a legacy VGA mem request: if so, just point it at the 628 * framebuffer, since it shouldn't be touched 629 */ 630 if (offset < sc->sc_stride*sc->sc_height) { 631 *paddr = sc->sc_addr + offset; 632 return (0); 633 } 634 635 return (EINVAL); 636 } 637 638 static int 639 ofwfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 640 { 641 642 return (0); 643 } 644 645 static int 646 ofwfb_clear(video_adapter_t *adp) 647 { 648 TODO; 649 return (0); 650 } 651 652 static int 653 ofwfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 654 { 655 TODO; 656 return (0); 657 } 658 659 static int 660 ofwfb_bitblt(video_adapter_t *adp, ...) 661 { 662 TODO; 663 return (0); 664 } 665 666 static int 667 ofwfb_diag(video_adapter_t *adp, int level) 668 { 669 TODO; 670 return (0); 671 } 672 673 static int 674 ofwfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 675 { 676 TODO; 677 return (0); 678 } 679 680 static int 681 ofwfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 682 { 683 TODO; 684 return (0); 685 } 686 687 static int 688 ofwfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 689 { 690 TODO; 691 return (0); 692 } 693 694 static int 695 ofwfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 696 int size, int bpp, int bit_ltor, int byte_ltor) 697 { 698 TODO; 699 return (0); 700 } 701 702 static int 703 ofwfb_putc8(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 704 { 705 struct ofwfb_softc *sc; 706 int row; 707 int col; 708 int i; 709 uint32_t *addr; 710 u_char *p, fg, bg; 711 union { 712 uint32_t l; 713 uint8_t c[4]; 714 } ch1, ch2; 715 716 717 sc = (struct ofwfb_softc *)adp; 718 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 719 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 720 p = sc->sc_font + c*sc->sc_font_height; 721 addr = (u_int32_t *)((int)sc->sc_addr 722 + (row + sc->sc_ymargin)*sc->sc_stride 723 + col + sc->sc_xmargin); 724 725 fg = ofwfb_foreground(a); 726 bg = ofwfb_background(a); 727 728 for (i = 0; i < sc->sc_font_height; i++) { 729 u_char fline = p[i]; 730 731 /* 732 * Assume that there is more background than foreground 733 * in characters and init accordingly 734 */ 735 ch1.l = ch2.l = (bg << 24) | (bg << 16) | (bg << 8) | bg; 736 737 /* 738 * Calculate 2 x 4-chars at a time, and then 739 * write these out. 740 */ 741 if (fline & 0x80) ch1.c[0] = fg; 742 if (fline & 0x40) ch1.c[1] = fg; 743 if (fline & 0x20) ch1.c[2] = fg; 744 if (fline & 0x10) ch1.c[3] = fg; 745 746 if (fline & 0x08) ch2.c[0] = fg; 747 if (fline & 0x04) ch2.c[1] = fg; 748 if (fline & 0x02) ch2.c[2] = fg; 749 if (fline & 0x01) ch2.c[3] = fg; 750 751 addr[0] = ch1.l; 752 addr[1] = ch2.l; 753 addr += (sc->sc_stride / sizeof(u_int32_t)); 754 } 755 756 return (0); 757 } 758 759 static int 760 ofwfb_putc32(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 761 { 762 struct ofwfb_softc *sc; 763 int row; 764 int col; 765 int i, j, k; 766 uint32_t *addr; 767 u_char *p; 768 769 sc = (struct ofwfb_softc *)adp; 770 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 771 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 772 p = sc->sc_font + c*sc->sc_font_height; 773 addr = (uint32_t *)sc->sc_addr 774 + (row + sc->sc_ymargin)*(sc->sc_stride/4) 775 + col + sc->sc_xmargin; 776 777 for (i = 0; i < sc->sc_font_height; i++) { 778 for (j = 0, k = 7; j < 8; j++, k--) { 779 if ((p[i] & (1 << k)) == 0) 780 *(addr + j) = ofwfb_pix32(ofwfb_background(a)); 781 else 782 *(addr + j) = ofwfb_pix32(ofwfb_foreground(a)); 783 } 784 addr += (sc->sc_stride/4); 785 } 786 787 return (0); 788 } 789 790 static int 791 ofwfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 792 { 793 struct ofwfb_softc *sc; 794 795 sc = (struct ofwfb_softc *)adp; 796 797 return ((*sc->sc_putc)(adp, off, c, a)); 798 } 799 800 static int 801 ofwfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 802 { 803 int i; 804 805 for (i = 0; i < len; i++) { 806 ofwfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 807 } 808 return (0); 809 } 810 811 static int 812 ofwfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 813 uint32_t pixel_mask, int size, int width) 814 { 815 struct ofwfb_softc *sc; 816 817 sc = (struct ofwfb_softc *)adp; 818 819 /* put mouse */ 820 821 return (0); 822 } 823 824 /* 825 * Define the syscons nexus device attachment 826 */ 827 static void 828 ofwfb_scidentify(driver_t *driver, device_t parent) 829 { 830 device_t child; 831 832 /* 833 * Add with a priority guaranteed to make it last on 834 * the device list 835 */ 836 child = BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0); 837 if (child != NULL) 838 nexus_set_device_type(child, "syscons"); 839 } 840 841 static int 842 ofwfb_scprobe(device_t dev) 843 { 844 char *name; 845 846 name = nexus_get_name(dev); 847 if (strcmp(SC_DRIVER_NAME, name) != 0) 848 return (ENXIO); 849 850 device_set_desc(dev, "System console"); 851 return (sc_probe_unit(device_get_unit(dev), 852 device_get_flags(dev) | SC_AUTODETECT_KBD)); 853 } 854 855 static int 856 ofwfb_scattach(device_t dev) 857 { 858 return (sc_attach_unit(device_get_unit(dev), 859 device_get_flags(dev) | SC_AUTODETECT_KBD)); 860 } 861 862 static device_method_t ofwfb_sc_methods[] = { 863 DEVMETHOD(device_identify, ofwfb_scidentify), 864 DEVMETHOD(device_probe, ofwfb_scprobe), 865 DEVMETHOD(device_attach, ofwfb_scattach), 866 { 0, 0 } 867 }; 868 869 static driver_t ofwfb_sc_driver = { 870 SC_DRIVER_NAME, 871 ofwfb_sc_methods, 872 sizeof(sc_softc_t), 873 }; 874 875 static devclass_t sc_devclass; 876 877 DRIVER_MODULE(sc, nexus, ofwfb_sc_driver, sc_devclass, 0, 0); 878 879 /* 880 * Define a stub keyboard driver in case one hasn't been 881 * compiled into the kernel 882 */ 883 #include <sys/kbio.h> 884 #include <dev/kbd/kbdreg.h> 885 886 static int dummy_kbd_configure(int flags); 887 888 keyboard_switch_t dummysw; 889 890 static int 891 dummy_kbd_configure(int flags) 892 { 893 894 return (0); 895 } 896 KEYBOARD_DRIVER(dummy, dummysw, dummy_kbd_configure); 897 898 /* 899 * Utility routines from <dev/fb/fbreg.h> 900 */ 901 void 902 ofwfb_bcopy(const void *s, void *d, size_t c) 903 { 904 bcopy(s, d, c); 905 } 906 907 void 908 ofwfb_bzero(void *d, size_t c) 909 { 910 bzero(d, c); 911 } 912 913 void 914 ofwfb_fillw(int pat, void *base, size_t cnt) 915 { 916 u_int16_t *bptr = base; 917 918 while (cnt--) 919 *bptr++ = pat; 920 } 921 922 u_int16_t 923 ofwfb_readw(u_int16_t *addr) 924 { 925 return (*addr); 926 } 927 928 void 929 ofwfb_writew(u_int16_t *addr, u_int16_t val) 930 { 931 *addr = val; 932 } 933