ofw_syscons.c revision 146462
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 * $FreeBSD: head/sys/powerpc/ofw/ofw_syscons.c 146462 2005-05-21 00:22:57Z grehan $ 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD: head/sys/powerpc/ofw/ofw_syscons.c 146462 2005-05-21 00:22:57Z grehan $"); 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/module.h> 35#include <sys/bus.h> 36#include <sys/kernel.h> 37#include <sys/sysctl.h> 38#include <sys/limits.h> 39#include <sys/conf.h> 40#include <sys/cons.h> 41#include <sys/proc.h> 42#include <sys/fcntl.h> 43#include <sys/malloc.h> 44#include <sys/fbio.h> 45#include <sys/consio.h> 46 47#include <machine/bus.h> 48#include <machine/sc_machdep.h> 49 50#include <sys/rman.h> 51 52#include <dev/fb/fbreg.h> 53#include <dev/syscons/syscons.h> 54 55#include <dev/ofw/openfirm.h> 56#include <dev/ofw/ofw_pci.h> 57#include <powerpc/ofw/ofw_syscons.h> 58#include <machine/nexusvar.h> 59 60static int ofwfb_ignore_mmap_checks; 61SYSCTL_NODE(_hw, OID_AUTO, ofwfb, CTLFLAG_RD, 0, "ofwfb"); 62SYSCTL_INT(_hw_ofwfb, OID_AUTO, relax_mmap, CTLFLAG_RW, 63 &ofwfb_ignore_mmap_checks, 0, "relax mmap bounds checking"); 64 65extern u_char dflt_font_16[]; 66extern u_char dflt_font_14[]; 67extern u_char dflt_font_8[]; 68 69static int ofwfb_configure(int flags); 70 71static vi_probe_t ofwfb_probe; 72static vi_init_t ofwfb_init; 73static vi_get_info_t ofwfb_get_info; 74static vi_query_mode_t ofwfb_query_mode; 75static vi_set_mode_t ofwfb_set_mode; 76static vi_save_font_t ofwfb_save_font; 77static vi_load_font_t ofwfb_load_font; 78static vi_show_font_t ofwfb_show_font; 79static vi_save_palette_t ofwfb_save_palette; 80static vi_load_palette_t ofwfb_load_palette; 81static vi_set_border_t ofwfb_set_border; 82static vi_save_state_t ofwfb_save_state; 83static vi_load_state_t ofwfb_load_state; 84static vi_set_win_org_t ofwfb_set_win_org; 85static vi_read_hw_cursor_t ofwfb_read_hw_cursor; 86static vi_set_hw_cursor_t ofwfb_set_hw_cursor; 87static vi_set_hw_cursor_shape_t ofwfb_set_hw_cursor_shape; 88static vi_blank_display_t ofwfb_blank_display; 89static vi_mmap_t ofwfb_mmap; 90static vi_ioctl_t ofwfb_ioctl; 91static vi_clear_t ofwfb_clear; 92static vi_fill_rect_t ofwfb_fill_rect; 93static vi_bitblt_t ofwfb_bitblt; 94static vi_diag_t ofwfb_diag; 95static vi_save_cursor_palette_t ofwfb_save_cursor_palette; 96static vi_load_cursor_palette_t ofwfb_load_cursor_palette; 97static vi_copy_t ofwfb_copy; 98static vi_putp_t ofwfb_putp; 99static vi_putc_t ofwfb_putc; 100static vi_puts_t ofwfb_puts; 101static vi_putm_t ofwfb_putm; 102 103static video_switch_t ofwfbvidsw = { 104 .probe = ofwfb_probe, 105 .init = ofwfb_init, 106 .get_info = ofwfb_get_info, 107 .query_mode = ofwfb_query_mode, 108 .set_mode = ofwfb_set_mode, 109 .save_font = ofwfb_save_font, 110 .load_font = ofwfb_load_font, 111 .show_font = ofwfb_show_font, 112 .save_palette = ofwfb_save_palette, 113 .load_palette = ofwfb_load_palette, 114 .set_border = ofwfb_set_border, 115 .save_state = ofwfb_save_state, 116 .load_state = ofwfb_load_state, 117 .set_win_org = ofwfb_set_win_org, 118 .read_hw_cursor = ofwfb_read_hw_cursor, 119 .set_hw_cursor = ofwfb_set_hw_cursor, 120 .set_hw_cursor_shape = ofwfb_set_hw_cursor_shape, 121 .blank_display = ofwfb_blank_display, 122 .mmap = ofwfb_mmap, 123 .ioctl = ofwfb_ioctl, 124 .clear = ofwfb_clear, 125 .fill_rect = ofwfb_fill_rect, 126 .bitblt = ofwfb_bitblt, 127 .diag = ofwfb_diag, 128 .save_cursor_palette = ofwfb_save_cursor_palette, 129 .load_cursor_palette = ofwfb_load_cursor_palette, 130 .copy = ofwfb_copy, 131 .putp = ofwfb_putp, 132 .putc = ofwfb_putc, 133 .puts = ofwfb_puts, 134 .putm = ofwfb_putm, 135}; 136 137/* 138 * bitmap depth-specific routines 139 */ 140static vi_blank_display_t ofwfb_blank_display8; 141static vi_putc_t ofwfb_putc8; 142static vi_set_border_t ofwfb_set_border8; 143 144static vi_blank_display_t ofwfb_blank_display32; 145static vi_putc_t ofwfb_putc32; 146static vi_set_border_t ofwfb_set_border32; 147 148VIDEO_DRIVER(ofwfb, ofwfbvidsw, ofwfb_configure); 149 150extern sc_rndr_sw_t txtrndrsw; 151RENDERER(ofwfb, 0, txtrndrsw, gfb_set); 152 153RENDERER_MODULE(ofwfb, gfb_set); 154 155/* 156 * Define the iso6429-1983 colormap 157 */ 158static struct { 159 uint8_t red; 160 uint8_t green; 161 uint8_t blue; 162} ofwfb_cmap[16] = { /* # R G B Color */ 163 /* - - - - ----- */ 164 { 0x00, 0x00, 0x00 }, /* 0 0 0 0 Black */ 165 { 0x00, 0x00, 0xaa }, /* 1 0 0 2/3 Blue */ 166 { 0x00, 0xaa, 0x00 }, /* 2 0 2/3 0 Green */ 167 { 0x00, 0xaa, 0xaa }, /* 3 0 2/3 2/3 Cyan */ 168 { 0xaa, 0x00, 0x00 }, /* 4 2/3 0 0 Red */ 169 { 0xaa, 0x00, 0xaa }, /* 5 2/3 0 2/3 Magenta */ 170 { 0xaa, 0x55, 0x00 }, /* 6 2/3 1/3 0 Brown */ 171 { 0xaa, 0xaa, 0xaa }, /* 7 2/3 2/3 2/3 White */ 172 { 0x55, 0x55, 0x55 }, /* 8 1/3 1/3 1/3 Gray */ 173 { 0x55, 0x55, 0xff }, /* 9 1/3 1/3 1 Bright Blue */ 174 { 0x55, 0xff, 0x55 }, /* 10 1/3 1 1/3 Bright Green */ 175 { 0x55, 0xff, 0xff }, /* 11 1/3 1 1 Bright Cyan */ 176 { 0xff, 0x55, 0x55 }, /* 12 1 1/3 1/3 Bright Red */ 177 { 0xff, 0x55, 0xff }, /* 13 1 1/3 1 Bright Magenta */ 178 { 0xff, 0xff, 0x80 }, /* 14 1 1 1/3 Bright Yellow */ 179 { 0xff, 0xff, 0xff } /* 15 1 1 1 Bright White */ 180}; 181 182#define TODO printf("%s: unimplemented\n", __func__) 183 184static u_int16_t ofwfb_static_window[ROW*COL]; 185 186static struct ofwfb_softc ofwfb_softc; 187 188static __inline int 189ofwfb_background(uint8_t attr) 190{ 191 return (attr >> 4); 192} 193 194static __inline int 195ofwfb_foreground(uint8_t attr) 196{ 197 return (attr & 0x0f); 198} 199 200static u_int 201ofwfb_pix32(int attr) 202{ 203 u_int retval; 204 205 retval = (ofwfb_cmap[attr].blue << 16) | 206 (ofwfb_cmap[attr].green << 8) | 207 ofwfb_cmap[attr].red; 208 209 return (retval); 210} 211 212static int 213ofwfb_configure(int flags) 214{ 215 struct ofwfb_softc *sc; 216 phandle_t chosen; 217 ihandle_t stdout; 218 phandle_t node; 219 int depth; 220 int disable; 221 int len; 222 char type[16]; 223 static int done = 0; 224 225 disable = 0; 226 TUNABLE_INT_FETCH("hw.syscons.disable", &disable); 227 if (disable != 0) 228 return (0); 229 230 if (done != 0) 231 return (0); 232 done = 1; 233 234 sc = &ofwfb_softc; 235 236 chosen = OF_finddevice("/chosen"); 237 OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)); 238 node = OF_instance_to_package(stdout); 239 OF_getprop(node, "device_type", type, sizeof(type)); 240 if (strcmp(type, "display") != 0) 241 return (0); 242 243 /* Only support 8 and 32-bit framebuffers */ 244 OF_getprop(node, "depth", &depth, sizeof(depth)); 245 if (depth == 8) { 246 sc->sc_blank = ofwfb_blank_display8; 247 sc->sc_putc = ofwfb_putc8; 248 sc->sc_set_border = ofwfb_set_border8; 249 } else if (depth == 32) { 250 sc->sc_blank = ofwfb_blank_display32; 251 sc->sc_putc = ofwfb_putc32; 252 sc->sc_set_border = ofwfb_set_border32; 253 } else 254 return (0); 255 256 sc->sc_depth = depth; 257 sc->sc_node = node; 258 sc->sc_console = 1; 259 OF_getprop(node, "height", &sc->sc_height, sizeof(sc->sc_height)); 260 OF_getprop(node, "width", &sc->sc_width, sizeof(sc->sc_width)); 261 OF_getprop(node, "linebytes", &sc->sc_stride, sizeof(sc->sc_stride)); 262 263 /* 264 * XXX the physical address of the frame buffer is assumed to be 265 * BAT-mapped so it can be accessed directly 266 */ 267 OF_getprop(node, "address", &sc->sc_addr, sizeof(sc->sc_addr)); 268 269 /* 270 * Get the PCI addresses of the adapter. The node may be the 271 * child of the PCI device: in that case, try the parent for 272 * the assigned-addresses property. 273 */ 274 len = OF_getprop(node, "assigned-addresses", sc->sc_pciaddrs, 275 sizeof(sc->sc_pciaddrs)); 276 if (len == -1) { 277 len = OF_getprop(OF_parent(node), "assigned-addresses", sc->sc_pciaddrs, 278 sizeof(sc->sc_pciaddrs)); 279 } 280 281 if (len != -1) { 282 sc->sc_num_pciaddrs = len / sizeof(struct ofw_pci_register); 283 } 284 285 ofwfb_init(0, &sc->sc_va, 0); 286 287 return (0); 288} 289 290static int 291ofwfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 292{ 293 TODO; 294 return (0); 295} 296 297static int 298ofwfb_init(int unit, video_adapter_t *adp, int flags) 299{ 300 struct ofwfb_softc *sc; 301 video_info_t *vi; 302 char name[64]; 303 ihandle_t ih; 304 int i; 305 int cborder; 306 int font_height; 307 int retval; 308 309 sc = (struct ofwfb_softc *)adp; 310 vi = &adp->va_info; 311 312 vid_init_struct(adp, "ofwfb", -1, unit); 313 314 if (sc->sc_depth == 8) { 315 /* 316 * Install the ISO6429 colormap - older OFW systems 317 * don't do this by default 318 */ 319 memset(name, 0, sizeof(name)); 320 OF_package_to_path(sc->sc_node, name, sizeof(name)); 321 ih = OF_open(name); 322 for (i = 0; i < 16; i++) { 323 OF_call_method("color!", ih, 4, 1, 324 ofwfb_cmap[i].red, 325 ofwfb_cmap[i].green, 326 ofwfb_cmap[i].blue, 327 i, 328 &retval); 329 } 330 } 331 332 /* The default font size can be overridden by loader */ 333 font_height = 16; 334 TUNABLE_INT_FETCH("hw.syscons.fsize", &font_height); 335 if (font_height == 8) { 336 sc->sc_font = dflt_font_8; 337 sc->sc_font_height = 8; 338 } else if (font_height == 14) { 339 sc->sc_font = dflt_font_14; 340 sc->sc_font_height = 14; 341 } else { 342 /* default is 8x16 */ 343 sc->sc_font = dflt_font_16; 344 sc->sc_font_height = 16; 345 } 346 347 /* The user can set a border in chars - default is 1 char width */ 348 cborder = 1; 349 TUNABLE_INT_FETCH("hw.syscons.border", &cborder); 350 351 vi->vi_cheight = sc->sc_font_height; 352 vi->vi_width = sc->sc_width/8 - 2*cborder; 353 vi->vi_height = sc->sc_height/sc->sc_font_height - 2*cborder; 354 vi->vi_cwidth = 8; 355 356 /* 357 * Clamp width/height to syscons maximums 358 */ 359 if (vi->vi_width > COL) 360 vi->vi_width = COL; 361 if (vi->vi_height > ROW) 362 vi->vi_height = ROW; 363 364 sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2; 365 sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight))/2; 366 367 /* 368 * Avoid huge amounts of conditional code in syscons by 369 * defining a dummy h/w text display buffer. 370 */ 371 adp->va_window = (vm_offset_t) ofwfb_static_window; 372 373 /* Enable future font-loading and flag color support */ 374 adp->va_flags |= V_ADP_FONT | V_ADP_COLOR; 375 376 ofwfb_blank_display(&sc->sc_va, V_DISPLAY_ON); 377 378 ofwfb_set_mode(&sc->sc_va, 0); 379 380 vid_register(&sc->sc_va); 381 382 return (0); 383} 384 385static int 386ofwfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 387{ 388 bcopy(&adp->va_info, info, sizeof(*info)); 389 return (0); 390} 391 392static int 393ofwfb_query_mode(video_adapter_t *adp, video_info_t *info) 394{ 395 TODO; 396 return (0); 397} 398 399static int 400ofwfb_set_mode(video_adapter_t *adp, int mode) 401{ 402 403 return (0); 404} 405 406static int 407ofwfb_save_font(video_adapter_t *adp, int page, int size, u_char *data, 408 int c, int count) 409{ 410 TODO; 411 return (0); 412} 413 414static int 415ofwfb_load_font(video_adapter_t *adp, int page, int size, u_char *data, 416 int c, int count) 417{ 418 struct ofwfb_softc *sc; 419 420 sc = (struct ofwfb_softc *)adp; 421 422 /* 423 * syscons code has already determined that current width/height 424 * are unchanged for this new font 425 */ 426 sc->sc_font = data; 427 return (0); 428} 429 430static int 431ofwfb_show_font(video_adapter_t *adp, int page) 432{ 433 434 return (0); 435} 436 437static int 438ofwfb_save_palette(video_adapter_t *adp, u_char *palette) 439{ 440 /* TODO; */ 441 return (0); 442} 443 444static int 445ofwfb_load_palette(video_adapter_t *adp, u_char *palette) 446{ 447 /* TODO; */ 448 return (0); 449} 450 451static int 452ofwfb_set_border8(video_adapter_t *adp, int border) 453{ 454 struct ofwfb_softc *sc; 455 int i, j; 456 uint8_t *addr; 457 uint8_t bground; 458 459 sc = (struct ofwfb_softc *)adp; 460 461 bground = ofwfb_background(border); 462 463 /* Set top margin */ 464 addr = (uint8_t *) sc->sc_addr; 465 for (i = 0; i < sc->sc_ymargin; i++) { 466 for (j = 0; j < sc->sc_width; j++) { 467 *(addr + j) = bground; 468 } 469 addr += sc->sc_stride; 470 } 471 472 /* bottom margin */ 473 addr = (uint8_t *) sc->sc_addr + (sc->sc_height - sc->sc_ymargin)*sc->sc_stride; 474 for (i = 0; i < sc->sc_ymargin; i++) { 475 for (j = 0; j < sc->sc_width; j++) { 476 *(addr + j) = bground; 477 } 478 addr += sc->sc_stride; 479 } 480 481 /* remaining left and right borders */ 482 addr = (uint8_t *) sc->sc_addr + sc->sc_ymargin*sc->sc_stride; 483 for (i = 0; i < sc->sc_height - 2*sc->sc_xmargin; i++) { 484 for (j = 0; j < sc->sc_xmargin; j++) { 485 *(addr + j) = bground; 486 *(addr + j + sc->sc_width - sc->sc_xmargin) = bground; 487 } 488 addr += sc->sc_stride; 489 } 490 491 return (0); 492} 493 494static int 495ofwfb_set_border32(video_adapter_t *adp, int border) 496{ 497 /* XXX Be lazy for now and blank entire screen */ 498 return (ofwfb_blank_display32(adp, border)); 499} 500 501static int 502ofwfb_set_border(video_adapter_t *adp, int border) 503{ 504 struct ofwfb_softc *sc; 505 506 sc = (struct ofwfb_softc *)adp; 507 508 return ((*sc->sc_set_border)(adp, border)); 509} 510 511static int 512ofwfb_save_state(video_adapter_t *adp, void *p, size_t size) 513{ 514 TODO; 515 return (0); 516} 517 518static int 519ofwfb_load_state(video_adapter_t *adp, void *p) 520{ 521 TODO; 522 return (0); 523} 524 525static int 526ofwfb_set_win_org(video_adapter_t *adp, off_t offset) 527{ 528 TODO; 529 return (0); 530} 531 532static int 533ofwfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 534{ 535 *col = 0; 536 *row = 0; 537 538 return (0); 539} 540 541static int 542ofwfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 543{ 544 545 return (0); 546} 547 548static int 549ofwfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 550 int celsize, int blink) 551{ 552 return (0); 553} 554 555static int 556ofwfb_blank_display8(video_adapter_t *adp, int mode) 557{ 558 struct ofwfb_softc *sc; 559 int i; 560 uint8_t *addr; 561 562 sc = (struct ofwfb_softc *)adp; 563 addr = (uint8_t *) sc->sc_addr; 564 565 /* Could be done a lot faster e.g. 32-bits, or Altivec'd */ 566 for (i = 0; i < sc->sc_stride*sc->sc_height; i++) 567 *(addr + i) = ofwfb_background(SC_NORM_ATTR); 568 569 return (0); 570} 571 572static int 573ofwfb_blank_display32(video_adapter_t *adp, int mode) 574{ 575 struct ofwfb_softc *sc; 576 int i; 577 uint32_t *addr; 578 579 sc = (struct ofwfb_softc *)adp; 580 addr = (uint32_t *) sc->sc_addr; 581 582 for (i = 0; i < (sc->sc_stride/4)*sc->sc_height; i++) 583 *(addr + i) = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR)); 584 585 return (0); 586} 587 588static int 589ofwfb_blank_display(video_adapter_t *adp, int mode) 590{ 591 struct ofwfb_softc *sc; 592 593 sc = (struct ofwfb_softc *)adp; 594 595 return ((*sc->sc_blank)(adp, mode)); 596} 597 598static int 599ofwfb_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr, 600 int prot) 601{ 602 struct ofwfb_softc *sc; 603 int i; 604 605 sc = (struct ofwfb_softc *)adp; 606 607 if (sc->sc_num_pciaddrs == 0) 608 return (ENOMEM); 609 610 /* 611 * Hack for Radeon... 612 */ 613 if (ofwfb_ignore_mmap_checks) { 614 *paddr = offset; 615 return (0); 616 } 617 618 /* 619 * Make sure the requested address lies within the PCI device's assigned addrs 620 */ 621 for (i = 0; i < sc->sc_num_pciaddrs; i++) 622 if (offset >= sc->sc_pciaddrs[i].phys_lo && 623 offset < (sc->sc_pciaddrs[i].phys_lo + sc->sc_pciaddrs[i].size_lo)) { 624 *paddr = offset; 625 return (0); 626 } 627 628 /* 629 * This might be a legacy VGA mem request: if so, just point it at the 630 * framebuffer, since it shouldn't be touched 631 */ 632 if (offset < sc->sc_stride*sc->sc_height) { 633 *paddr = sc->sc_addr + offset; 634 return (0); 635 } 636 637 return (EINVAL); 638} 639 640static int 641ofwfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 642{ 643 TODO; 644 return (0); 645} 646 647static int 648ofwfb_clear(video_adapter_t *adp) 649{ 650 TODO; 651 return (0); 652} 653 654static int 655ofwfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 656{ 657 TODO; 658 return (0); 659} 660 661static int 662ofwfb_bitblt(video_adapter_t *adp, ...) 663{ 664 TODO; 665 return (0); 666} 667 668static int 669ofwfb_diag(video_adapter_t *adp, int level) 670{ 671 TODO; 672 return (0); 673} 674 675static int 676ofwfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 677{ 678 TODO; 679 return (0); 680} 681 682static int 683ofwfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 684{ 685 TODO; 686 return (0); 687} 688 689static int 690ofwfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 691{ 692 TODO; 693 return (0); 694} 695 696static int 697ofwfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 698 int size, int bpp, int bit_ltor, int byte_ltor) 699{ 700 TODO; 701 return (0); 702} 703 704static int 705ofwfb_putc8(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 706{ 707 struct ofwfb_softc *sc; 708 int row; 709 int col; 710 int i; 711 uint32_t *addr; 712 u_char *p, fg, bg; 713 union { 714 uint32_t l; 715 uint8_t c[4]; 716 } ch1, ch2; 717 718 719 sc = (struct ofwfb_softc *)adp; 720 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 721 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 722 p = sc->sc_font + c*sc->sc_font_height; 723 addr = (u_int32_t *)((int)sc->sc_addr 724 + (row + sc->sc_ymargin)*sc->sc_stride 725 + col + sc->sc_xmargin); 726 727 fg = ofwfb_foreground(a); 728 bg = ofwfb_background(a); 729 730 for (i = 0; i < sc->sc_font_height; i++) { 731 u_char fline = p[i]; 732 733 /* 734 * Assume that there is more background than foreground 735 * in characters and init accordingly 736 */ 737 ch1.l = ch2.l = (bg << 24) | (bg << 16) | (bg << 8) | bg; 738 739 /* 740 * Calculate 2 x 4-chars at a time, and then 741 * write these out. 742 */ 743 if (fline & 0x80) ch1.c[0] = fg; 744 if (fline & 0x40) ch1.c[1] = fg; 745 if (fline & 0x20) ch1.c[2] = fg; 746 if (fline & 0x10) ch1.c[3] = fg; 747 748 if (fline & 0x08) ch2.c[0] = fg; 749 if (fline & 0x04) ch2.c[1] = fg; 750 if (fline & 0x02) ch2.c[2] = fg; 751 if (fline & 0x01) ch2.c[3] = fg; 752 753 addr[0] = ch1.l; 754 addr[1] = ch2.l; 755 addr += (sc->sc_stride / sizeof(u_int32_t)); 756 } 757 758 return (0); 759} 760 761static int 762ofwfb_putc32(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 763{ 764 struct ofwfb_softc *sc; 765 int row; 766 int col; 767 int i, j, k; 768 uint32_t *addr; 769 u_char *p; 770 771 sc = (struct ofwfb_softc *)adp; 772 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 773 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 774 p = sc->sc_font + c*sc->sc_font_height; 775 addr = (uint32_t *)sc->sc_addr 776 + (row + sc->sc_ymargin)*(sc->sc_stride/4) 777 + col + sc->sc_xmargin; 778 779 for (i = 0; i < sc->sc_font_height; i++) { 780 for (j = 0, k = 7; j < 8; j++, k--) { 781 if ((p[i] & (1 << k)) == 0) 782 *(addr + j) = ofwfb_pix32(ofwfb_background(a)); 783 else 784 *(addr + j) = ofwfb_pix32(ofwfb_foreground(a)); 785 } 786 addr += (sc->sc_stride/4); 787 } 788 789 return (0); 790} 791 792static int 793ofwfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 794{ 795 struct ofwfb_softc *sc; 796 797 sc = (struct ofwfb_softc *)adp; 798 799 return ((*sc->sc_putc)(adp, off, c, a)); 800} 801 802static int 803ofwfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 804{ 805 int i; 806 807 for (i = 0; i < len; i++) { 808 ofwfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 809 } 810 return (0); 811} 812 813static int 814ofwfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 815 uint32_t pixel_mask, int size) 816{ 817 struct ofwfb_softc *sc; 818 819 sc = (struct ofwfb_softc *)adp; 820 821 /* put mouse */ 822 823 return (0); 824} 825 826/* 827 * Define the syscons nexus device attachment 828 */ 829static void 830ofwfb_scidentify(driver_t *driver, device_t parent) 831{ 832 device_t child; 833 834 /* 835 * Add with a priority guaranteed to make it last on 836 * the device list 837 */ 838 child = BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0); 839 if (child != NULL) 840 nexus_set_device_type(child, "syscons"); 841} 842 843static int 844ofwfb_scprobe(device_t dev) 845{ 846 char *name; 847 848 name = nexus_get_name(dev); 849 if (strcmp(SC_DRIVER_NAME, name) != 0) 850 return (ENXIO); 851 852 device_set_desc(dev, "System console"); 853 return (sc_probe_unit(device_get_unit(dev), 854 device_get_flags(dev) | SC_AUTODETECT_KBD)); 855} 856 857static int 858ofwfb_scattach(device_t dev) 859{ 860 return (sc_attach_unit(device_get_unit(dev), 861 device_get_flags(dev) | SC_AUTODETECT_KBD)); 862} 863 864static device_method_t ofwfb_sc_methods[] = { 865 DEVMETHOD(device_identify, ofwfb_scidentify), 866 DEVMETHOD(device_probe, ofwfb_scprobe), 867 DEVMETHOD(device_attach, ofwfb_scattach), 868 { 0, 0 } 869}; 870 871static driver_t ofwfb_sc_driver = { 872 SC_DRIVER_NAME, 873 ofwfb_sc_methods, 874 sizeof(sc_softc_t), 875}; 876 877static devclass_t sc_devclass; 878 879DRIVER_MODULE(sc, nexus, ofwfb_sc_driver, sc_devclass, 0, 0); 880 881/* 882 * Define a stub keyboard driver in case one hasn't been 883 * compiled into the kernel 884 */ 885#include <sys/kbio.h> 886#include <dev/kbd/kbdreg.h> 887 888static int dummy_kbd_configure(int flags); 889 890keyboard_switch_t dummysw; 891 892static int 893dummy_kbd_configure(int flags) 894{ 895 896 return (0); 897} 898KEYBOARD_DRIVER(dummy, dummysw, dummy_kbd_configure); 899 900/* 901 * Utility routines from <dev/fb/fbreg.h> 902 */ 903void 904ofwfb_bcopy(const void *s, void *d, size_t c) 905{ 906 bcopy(s, d, c); 907} 908 909void 910ofwfb_bzero(void *d, size_t c) 911{ 912 bzero(d, c); 913} 914 915void 916ofwfb_fillw(int pat, void *base, size_t cnt) 917{ 918 u_int16_t *bptr = base; 919 920 while (cnt--) 921 *bptr++ = pat; 922} 923 924u_int16_t 925ofwfb_readw(u_int16_t *addr) 926{ 927 return (*addr); 928} 929 930void 931ofwfb_writew(u_int16_t *addr, u_int16_t val) 932{ 933 *addr = val; 934} 935