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_bus.h> 55 #include <dev/ofw/ofw_pci.h> 56 #include <powerpc/ofw/ofw_syscons.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_putm_t ofwfb_putm8; 141 static vi_set_border_t ofwfb_set_border8; 142 143 static vi_blank_display_t ofwfb_blank_display32; 144 static vi_putc_t ofwfb_putc32; 145 static vi_putm_t ofwfb_putm32; 146 static vi_set_border_t ofwfb_set_border32; 147 148 VIDEO_DRIVER(ofwfb, ofwfbvidsw, ofwfb_configure); 149 150 extern sc_rndr_sw_t txtrndrsw; 151 RENDERER(ofwfb, 0, txtrndrsw, gfb_set); 152 153 RENDERER_MODULE(ofwfb, gfb_set); 154 155 /* 156 * Define the iso6429-1983 colormap 157 */ 158 static 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__) 183 184 static u_int16_t ofwfb_static_window[ROW*COL]; 185 186 static struct ofwfb_softc ofwfb_softc; 187 188 static __inline int 189 ofwfb_background(uint8_t attr) 190 { 191 return (attr >> 4); 192 } 193 194 static __inline int 195 ofwfb_foreground(uint8_t attr) 196 { 197 return (attr & 0x0f); 198 } 199 200 static u_int 201 ofwfb_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 } 211 212 static int 213 ofwfb_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 if (node == -1) { 240 /* 241 * The "/chosen/stdout" does not exist try 242 * using "screen" directly. 243 */ 244 node = OF_finddevice("screen"); 245 } 246 OF_getprop(node, "device_type", type, sizeof(type)); 247 if (strcmp(type, "display") != 0) 248 return (0); 249 250 /* Only support 8 and 32-bit framebuffers */ 251 OF_getprop(node, "depth", &depth, sizeof(depth)); 252 if (depth == 8) { 253 sc->sc_blank = ofwfb_blank_display8; 254 sc->sc_putc = ofwfb_putc8; 255 sc->sc_putm = ofwfb_putm8; 256 sc->sc_set_border = ofwfb_set_border8; 257 } else if (depth == 32) { 258 sc->sc_blank = ofwfb_blank_display32; 259 sc->sc_putc = ofwfb_putc32; 260 sc->sc_putm = ofwfb_putm32; 261 sc->sc_set_border = ofwfb_set_border32; 262 } else 263 return (0); 264 265 sc->sc_depth = depth; 266 sc->sc_node = node; 267 sc->sc_console = 1; 268 OF_getprop(node, "height", &sc->sc_height, sizeof(sc->sc_height)); 269 OF_getprop(node, "width", &sc->sc_width, sizeof(sc->sc_width)); 270 OF_getprop(node, "linebytes", &sc->sc_stride, sizeof(sc->sc_stride)); 271 272 /* 273 * XXX the physical address of the frame buffer is assumed to be 274 * BAT-mapped so it can be accessed directly 275 */ 276 OF_getprop(node, "address", &sc->sc_addr, sizeof(sc->sc_addr)); 277 278 /* 279 * Get the PCI addresses of the adapter. The node may be the 280 * child of the PCI device: in that case, try the parent for 281 * the assigned-addresses property. 282 */ 283 len = OF_getprop(node, "assigned-addresses", sc->sc_pciaddrs, 284 sizeof(sc->sc_pciaddrs)); 285 if (len == -1) { 286 len = OF_getprop(OF_parent(node), "assigned-addresses", sc->sc_pciaddrs, 287 sizeof(sc->sc_pciaddrs)); 288 } 289 290 if (len != -1) { 291 sc->sc_num_pciaddrs = len / sizeof(struct ofw_pci_register); 292 } 293 294 ofwfb_init(0, &sc->sc_va, 0); 295 296 return (0); 297 } 298 299 static int 300 ofwfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 301 { 302 TODO; 303 return (0); 304 } 305 306 static int 307 ofwfb_init(int unit, video_adapter_t *adp, int flags) 308 { 309 struct ofwfb_softc *sc; 310 video_info_t *vi; 311 int cborder; 312 int font_height; 313 314 sc = (struct ofwfb_softc *)adp; 315 vi = &adp->va_info; 316 317 vid_init_struct(adp, "ofwfb", -1, unit); 318 319 /* The default font size can be overridden by loader */ 320 font_height = 16; 321 TUNABLE_INT_FETCH("hw.syscons.fsize", &font_height); 322 if (font_height == 8) { 323 sc->sc_font = dflt_font_8; 324 sc->sc_font_height = 8; 325 } else if (font_height == 14) { 326 sc->sc_font = dflt_font_14; 327 sc->sc_font_height = 14; 328 } else { 329 /* default is 8x16 */ 330 sc->sc_font = dflt_font_16; 331 sc->sc_font_height = 16; 332 } 333 334 /* The user can set a border in chars - default is 1 char width */ 335 cborder = 1; 336 TUNABLE_INT_FETCH("hw.syscons.border", &cborder); 337 338 vi->vi_cheight = sc->sc_font_height; 339 vi->vi_width = sc->sc_width/8 - 2*cborder; 340 vi->vi_height = sc->sc_height/sc->sc_font_height - 2*cborder; 341 vi->vi_cwidth = 8; 342 343 /* 344 * Clamp width/height to syscons maximums 345 */ 346 if (vi->vi_width > COL) 347 vi->vi_width = COL; 348 if (vi->vi_height > ROW) 349 vi->vi_height = ROW; 350 351 sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2; 352 sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight))/2; 353 354 /* 355 * Avoid huge amounts of conditional code in syscons by 356 * defining a dummy h/w text display buffer. 357 */ 358 adp->va_window = (vm_offset_t) ofwfb_static_window; 359 360 /* 361 * Enable future font-loading and flag color support, as well as 362 * adding V_ADP_MODECHANGE so that we ofwfb_set_mode() gets called 363 * when the X server shuts down. This enables us to get the console 364 * back when X disappears. 365 */ 366 adp->va_flags |= V_ADP_FONT | V_ADP_COLOR | V_ADP_MODECHANGE; 367 368 ofwfb_set_mode(&sc->sc_va, 0); 369 370 vid_register(&sc->sc_va); 371 372 return (0); 373 } 374 375 static int 376 ofwfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 377 { 378 bcopy(&adp->va_info, info, sizeof(*info)); 379 return (0); 380 } 381 382 static int 383 ofwfb_query_mode(video_adapter_t *adp, video_info_t *info) 384 { 385 TODO; 386 return (0); 387 } 388 389 static int 390 ofwfb_set_mode(video_adapter_t *adp, int mode) 391 { 392 struct ofwfb_softc *sc; 393 char name[64]; 394 ihandle_t ih; 395 int i, retval; 396 397 sc = (struct ofwfb_softc *)adp; 398 399 /* 400 * Open the display device, which will initialize it. 401 */ 402 403 memset(name, 0, sizeof(name)); 404 OF_package_to_path(sc->sc_node, name, sizeof(name)); 405 ih = OF_open(name); 406 407 if (sc->sc_depth == 8) { 408 /* 409 * Install the ISO6429 colormap - older OFW systems 410 * don't do this by default 411 */ 412 for (i = 0; i < 16; i++) { 413 OF_call_method("color!", ih, 4, 1, 414 ofwfb_cmap[i].red, 415 ofwfb_cmap[i].green, 416 ofwfb_cmap[i].blue, 417 i, 418 &retval); 419 } 420 } 421 422 ofwfb_blank_display(&sc->sc_va, V_DISPLAY_ON); 423 424 return (0); 425 } 426 427 static int 428 ofwfb_save_font(video_adapter_t *adp, int page, int size, int width, 429 u_char *data, int c, int count) 430 { 431 TODO; 432 return (0); 433 } 434 435 static int 436 ofwfb_load_font(video_adapter_t *adp, int page, int size, int width, 437 u_char *data, int c, int count) 438 { 439 struct ofwfb_softc *sc; 440 441 sc = (struct ofwfb_softc *)adp; 442 443 /* 444 * syscons code has already determined that current width/height 445 * are unchanged for this new font 446 */ 447 sc->sc_font = data; 448 return (0); 449 } 450 451 static int 452 ofwfb_show_font(video_adapter_t *adp, int page) 453 { 454 455 return (0); 456 } 457 458 static int 459 ofwfb_save_palette(video_adapter_t *adp, u_char *palette) 460 { 461 /* TODO; */ 462 return (0); 463 } 464 465 static int 466 ofwfb_load_palette(video_adapter_t *adp, u_char *palette) 467 { 468 /* TODO; */ 469 return (0); 470 } 471 472 static int 473 ofwfb_set_border8(video_adapter_t *adp, int border) 474 { 475 struct ofwfb_softc *sc; 476 int i, j; 477 uint8_t *addr; 478 uint8_t bground; 479 480 sc = (struct ofwfb_softc *)adp; 481 482 bground = ofwfb_background(border); 483 484 /* Set top margin */ 485 addr = (uint8_t *) sc->sc_addr; 486 for (i = 0; i < sc->sc_ymargin; i++) { 487 for (j = 0; j < sc->sc_width; j++) { 488 *(addr + j) = bground; 489 } 490 addr += sc->sc_stride; 491 } 492 493 /* bottom margin */ 494 addr = (uint8_t *) sc->sc_addr + (sc->sc_height - sc->sc_ymargin)*sc->sc_stride; 495 for (i = 0; i < sc->sc_ymargin; i++) { 496 for (j = 0; j < sc->sc_width; j++) { 497 *(addr + j) = bground; 498 } 499 addr += sc->sc_stride; 500 } 501 502 /* remaining left and right borders */ 503 addr = (uint8_t *) sc->sc_addr + sc->sc_ymargin*sc->sc_stride; 504 for (i = 0; i < sc->sc_height - 2*sc->sc_xmargin; i++) { 505 for (j = 0; j < sc->sc_xmargin; j++) { 506 *(addr + j) = bground; 507 *(addr + j + sc->sc_width - sc->sc_xmargin) = bground; 508 } 509 addr += sc->sc_stride; 510 } 511 512 return (0); 513 } 514 515 static int 516 ofwfb_set_border32(video_adapter_t *adp, int border) 517 { 518 /* XXX Be lazy for now and blank entire screen */ 519 return (ofwfb_blank_display32(adp, border)); 520 } 521 522 static int 523 ofwfb_set_border(video_adapter_t *adp, int border) 524 { 525 struct ofwfb_softc *sc; 526 527 sc = (struct ofwfb_softc *)adp; 528 529 return ((*sc->sc_set_border)(adp, border)); 530 } 531 532 static int 533 ofwfb_save_state(video_adapter_t *adp, void *p, size_t size) 534 { 535 TODO; 536 return (0); 537 } 538 539 static int 540 ofwfb_load_state(video_adapter_t *adp, void *p) 541 { 542 TODO; 543 return (0); 544 } 545 546 static int 547 ofwfb_set_win_org(video_adapter_t *adp, off_t offset) 548 { 549 TODO; 550 return (0); 551 } 552 553 static int 554 ofwfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 555 { 556 *col = 0; 557 *row = 0; 558 559 return (0); 560 } 561 562 static int 563 ofwfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 564 { 565 566 return (0); 567 } 568 569 static int 570 ofwfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 571 int celsize, int blink) 572 { 573 return (0); 574 } 575 576 static int 577 ofwfb_blank_display8(video_adapter_t *adp, int mode) 578 { 579 struct ofwfb_softc *sc; 580 int i; 581 uint8_t *addr; 582 583 sc = (struct ofwfb_softc *)adp; 584 addr = (uint8_t *) sc->sc_addr; 585 586 /* Could be done a lot faster e.g. 32-bits, or Altivec'd */ 587 for (i = 0; i < sc->sc_stride*sc->sc_height; i++) 588 *(addr + i) = ofwfb_background(SC_NORM_ATTR); 589 590 return (0); 591 } 592 593 static int 594 ofwfb_blank_display32(video_adapter_t *adp, int mode) 595 { 596 struct ofwfb_softc *sc; 597 int i; 598 uint32_t *addr; 599 600 sc = (struct ofwfb_softc *)adp; 601 addr = (uint32_t *) sc->sc_addr; 602 603 for (i = 0; i < (sc->sc_stride/4)*sc->sc_height; i++) 604 *(addr + i) = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR)); 605 606 return (0); 607 } 608 609 static int 610 ofwfb_blank_display(video_adapter_t *adp, int mode) 611 { 612 struct ofwfb_softc *sc; 613 614 sc = (struct ofwfb_softc *)adp; 615 616 return ((*sc->sc_blank)(adp, mode)); 617 } 618 619 static int 620 ofwfb_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr, 621 int prot) 622 { 623 struct ofwfb_softc *sc; 624 int i; 625 626 sc = (struct ofwfb_softc *)adp; 627 628 if (sc->sc_num_pciaddrs == 0) 629 return (ENOMEM); 630 631 /* 632 * Hack for Radeon... 633 */ 634 if (ofwfb_ignore_mmap_checks) { 635 *paddr = offset; 636 return (0); 637 } 638 639 /* 640 * Make sure the requested address lies within the PCI device's assigned addrs 641 */ 642 for (i = 0; i < sc->sc_num_pciaddrs; i++) 643 if (offset >= sc->sc_pciaddrs[i].phys_lo && 644 offset < (sc->sc_pciaddrs[i].phys_lo + sc->sc_pciaddrs[i].size_lo)) { 645 *paddr = offset; 646 return (0); 647 } 648 649 /* 650 * This might be a legacy VGA mem request: if so, just point it at the 651 * framebuffer, since it shouldn't be touched 652 */ 653 if (offset < sc->sc_stride*sc->sc_height) { 654 *paddr = sc->sc_addr + offset; 655 return (0); 656 } 657 658 return (EINVAL); 659 } 660 661 static int 662 ofwfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 663 { 664 665 return (0); 666 } 667 668 static int 669 ofwfb_clear(video_adapter_t *adp) 670 { 671 TODO; 672 return (0); 673 } 674 675 static int 676 ofwfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 677 { 678 TODO; 679 return (0); 680 } 681 682 static int 683 ofwfb_bitblt(video_adapter_t *adp, ...) 684 { 685 TODO; 686 return (0); 687 } 688 689 static int 690 ofwfb_diag(video_adapter_t *adp, int level) 691 { 692 TODO; 693 return (0); 694 } 695 696 static int 697 ofwfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 698 { 699 TODO; 700 return (0); 701 } 702 703 static int 704 ofwfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 705 { 706 TODO; 707 return (0); 708 } 709 710 static int 711 ofwfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 712 { 713 TODO; 714 return (0); 715 } 716 717 static int 718 ofwfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 719 int size, int bpp, int bit_ltor, int byte_ltor) 720 { 721 TODO; 722 return (0); 723 } 724 725 static int 726 ofwfb_putc8(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 727 { 728 struct ofwfb_softc *sc; 729 int row; 730 int col; 731 int i; 732 uint32_t *addr; 733 u_char *p, fg, bg; 734 union { 735 uint32_t l; 736 uint8_t c[4]; 737 } ch1, ch2; 738 739 740 sc = (struct ofwfb_softc *)adp; 741 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 742 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 743 p = sc->sc_font + c*sc->sc_font_height; 744 addr = (u_int32_t *)((int)sc->sc_addr 745 + (row + sc->sc_ymargin)*sc->sc_stride 746 + col + sc->sc_xmargin); 747 748 fg = ofwfb_foreground(a); 749 bg = ofwfb_background(a); 750 751 for (i = 0; i < sc->sc_font_height; i++) { 752 u_char fline = p[i]; 753 754 /* 755 * Assume that there is more background than foreground 756 * in characters and init accordingly 757 */ 758 ch1.l = ch2.l = (bg << 24) | (bg << 16) | (bg << 8) | bg; 759 760 /* 761 * Calculate 2 x 4-chars at a time, and then 762 * write these out. 763 */ 764 if (fline & 0x80) ch1.c[0] = fg; 765 if (fline & 0x40) ch1.c[1] = fg; 766 if (fline & 0x20) ch1.c[2] = fg; 767 if (fline & 0x10) ch1.c[3] = fg; 768 769 if (fline & 0x08) ch2.c[0] = fg; 770 if (fline & 0x04) ch2.c[1] = fg; 771 if (fline & 0x02) ch2.c[2] = fg; 772 if (fline & 0x01) ch2.c[3] = fg; 773 774 addr[0] = ch1.l; 775 addr[1] = ch2.l; 776 addr += (sc->sc_stride / sizeof(u_int32_t)); 777 } 778 779 return (0); 780 } 781 782 static int 783 ofwfb_putc32(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 784 { 785 struct ofwfb_softc *sc; 786 int row; 787 int col; 788 int i, j, k; 789 uint32_t *addr; 790 u_char *p; 791 792 sc = (struct ofwfb_softc *)adp; 793 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 794 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 795 p = sc->sc_font + c*sc->sc_font_height; 796 addr = (uint32_t *)sc->sc_addr 797 + (row + sc->sc_ymargin)*(sc->sc_stride/4) 798 + col + sc->sc_xmargin; 799 800 for (i = 0; i < sc->sc_font_height; i++) { 801 for (j = 0, k = 7; j < 8; j++, k--) { 802 if ((p[i] & (1 << k)) == 0) 803 *(addr + j) = ofwfb_pix32(ofwfb_background(a)); 804 else 805 *(addr + j) = ofwfb_pix32(ofwfb_foreground(a)); 806 } 807 addr += (sc->sc_stride/4); 808 } 809 810 return (0); 811 } 812 813 static int 814 ofwfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 815 { 816 struct ofwfb_softc *sc; 817 818 sc = (struct ofwfb_softc *)adp; 819 820 return ((*sc->sc_putc)(adp, off, c, a)); 821 } 822 823 static int 824 ofwfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 825 { 826 int i; 827 828 for (i = 0; i < len; i++) { 829 ofwfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 830 } 831 return (0); 832 } 833 834 static int 835 ofwfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 836 uint32_t pixel_mask, int size, int width) 837 { 838 struct ofwfb_softc *sc; 839 840 sc = (struct ofwfb_softc *)adp; 841 842 return ((*sc->sc_putm)(adp, x, y, pixel_image, pixel_mask, size, 843 width)); 844 } 845 846 static int 847 ofwfb_putm8(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 848 uint32_t pixel_mask, int size, int width) 849 { 850 struct ofwfb_softc *sc; 851 int i, j, k; 852 uint32_t *addr; 853 u_char fg, bg; 854 union { 855 uint32_t l[2]; 856 uint8_t c[8]; 857 } ch; 858 859 860 sc = (struct ofwfb_softc *)adp; 861 addr = (u_int32_t *)((int)sc->sc_addr 862 + (y + sc->sc_ymargin)*sc->sc_stride 863 + x + sc->sc_xmargin); 864 865 fg = ofwfb_foreground(SC_NORM_ATTR); 866 bg = ofwfb_background(SC_NORM_ATTR); 867 868 for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) { 869 /* 870 * Use the current values for the line 871 */ 872 ch.l[0] = addr[0]; 873 ch.l[1] = addr[1]; 874 875 /* 876 * Calculate 2 x 4-chars at a time, and then 877 * write these out. 878 */ 879 for (j = 0, k = width; j < 8; j++, k--) { 880 if (x + j >= sc->sc_width - 2*sc->sc_xmargin) 881 continue; 882 883 if (pixel_image[i] & (1 << k)) 884 ch.c[j] = (ch.c[j] == fg) ? bg : fg; 885 } 886 887 addr[0] = ch.l[0]; 888 addr[1] = ch.l[1]; 889 addr += (sc->sc_stride / sizeof(u_int32_t)); 890 } 891 892 return (0); 893 } 894 895 static int 896 ofwfb_putm32(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 897 uint32_t pixel_mask, int size, int width) 898 { 899 struct ofwfb_softc *sc; 900 int i, j, k; 901 uint32_t fg, bg; 902 uint32_t *addr; 903 904 sc = (struct ofwfb_softc *)adp; 905 addr = (uint32_t *)sc->sc_addr 906 + (y + sc->sc_ymargin)*(sc->sc_stride/4) 907 + x + sc->sc_xmargin; 908 909 fg = ofwfb_pix32(ofwfb_foreground(SC_NORM_ATTR)); 910 bg = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR)); 911 912 for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) { 913 for (j = 0, k = width; j < 8; j++, k--) { 914 if (x + j >= sc->sc_width - 2*sc->sc_xmargin) 915 continue; 916 917 if (pixel_image[i] & (1 << k)) 918 *(addr + j) = (*(addr + j) == fg) ? bg : fg; 919 } 920 addr += (sc->sc_stride/4); 921 } 922 923 return (0); 924 } 925 926 /* 927 * Define the syscons nexus device attachment 928 */ 929 static void 930 ofwfb_scidentify(driver_t *driver, device_t parent) 931 { 932 device_t child; 933 934 /* 935 * Add with a priority guaranteed to make it last on 936 * the device list 937 */ 938 child = BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0); 939 } 940 941 static int 942 ofwfb_scprobe(device_t dev) 943 { 944 /* This is a fake device, so make sure there is no OF node for it */ 945 if (ofw_bus_get_node(dev) != -1) 946 return ENXIO; 947 948 device_set_desc(dev, "System console"); 949 return (sc_probe_unit(device_get_unit(dev), 950 device_get_flags(dev) | SC_AUTODETECT_KBD)); 951 } 952 953 static int 954 ofwfb_scattach(device_t dev) 955 { 956 return (sc_attach_unit(device_get_unit(dev), 957 device_get_flags(dev) | SC_AUTODETECT_KBD)); 958 } 959 960 static device_method_t ofwfb_sc_methods[] = { 961 DEVMETHOD(device_identify, ofwfb_scidentify), 962 DEVMETHOD(device_probe, ofwfb_scprobe), 963 DEVMETHOD(device_attach, ofwfb_scattach), 964 { 0, 0 } 965 }; 966 967 static driver_t ofwfb_sc_driver = { 968 SC_DRIVER_NAME, 969 ofwfb_sc_methods, 970 sizeof(sc_softc_t), 971 }; 972 973 static devclass_t sc_devclass; 974 975 DRIVER_MODULE(sc, nexus, ofwfb_sc_driver, sc_devclass, 0, 0); 976 977 /* 978 * Define a stub keyboard driver in case one hasn't been 979 * compiled into the kernel 980 */ 981 #include <sys/kbio.h> 982 #include <dev/kbd/kbdreg.h> 983 984 static int dummy_kbd_configure(int flags); 985 986 keyboard_switch_t dummysw; 987 988 static int 989 dummy_kbd_configure(int flags) 990 { 991 992 return (0); 993 } 994 KEYBOARD_DRIVER(dummy, dummysw, dummy_kbd_configure); 995 996 /* 997 * Utility routines from <dev/fb/fbreg.h> 998 */ 999 void 1000 ofwfb_bcopy(const void *s, void *d, size_t c) 1001 { 1002 bcopy(s, d, c); 1003 } 1004 1005 void 1006 ofwfb_bzero(void *d, size_t c) 1007 { 1008 bzero(d, c); 1009 } 1010 1011 void 1012 ofwfb_fillw(int pat, void *base, size_t cnt) 1013 { 1014 u_int16_t *bptr = base; 1015 1016 while (cnt--) 1017 *bptr++ = pat; 1018 } 1019 1020 u_int16_t 1021 ofwfb_readw(u_int16_t *addr) 1022 { 1023 return (*addr); 1024 } 1025 1026 void 1027 ofwfb_writew(u_int16_t *addr, u_int16_t val) 1028 { 1029 *addr = val; 1030 } 1031