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 #include <machine/vm.h> 48 49 #include <sys/rman.h> 50 51 #include <dev/fb/fbreg.h> 52 #include <dev/syscons/syscons.h> 53 54 #include <dev/ofw/openfirm.h> 55 #include <dev/ofw/ofw_bus.h> 56 #include <dev/ofw/ofw_pci.h> 57 #include <powerpc/ofw/ofw_syscons.h> 58 59 static int ofwfb_ignore_mmap_checks = 1; 60 static SYSCTL_NODE(_hw, OID_AUTO, ofwfb, CTLFLAG_RD, 0, "ofwfb"); 61 SYSCTL_INT(_hw_ofwfb, OID_AUTO, relax_mmap, CTLFLAG_RW, 62 &ofwfb_ignore_mmap_checks, 0, "relaxed mmap bounds checking"); 63 64 extern u_char dflt_font_16[]; 65 extern u_char dflt_font_14[]; 66 extern u_char dflt_font_8[]; 67 68 static int ofwfb_configure(int flags); 69 70 static vi_probe_t ofwfb_probe; 71 static vi_init_t ofwfb_init; 72 static vi_get_info_t ofwfb_get_info; 73 static vi_query_mode_t ofwfb_query_mode; 74 static vi_set_mode_t ofwfb_set_mode; 75 static vi_save_font_t ofwfb_save_font; 76 static vi_load_font_t ofwfb_load_font; 77 static vi_show_font_t ofwfb_show_font; 78 static vi_save_palette_t ofwfb_save_palette; 79 static vi_load_palette_t ofwfb_load_palette; 80 static vi_set_border_t ofwfb_set_border; 81 static vi_save_state_t ofwfb_save_state; 82 static vi_load_state_t ofwfb_load_state; 83 static vi_set_win_org_t ofwfb_set_win_org; 84 static vi_read_hw_cursor_t ofwfb_read_hw_cursor; 85 static vi_set_hw_cursor_t ofwfb_set_hw_cursor; 86 static vi_set_hw_cursor_shape_t ofwfb_set_hw_cursor_shape; 87 static vi_blank_display_t ofwfb_blank_display; 88 static vi_mmap_t ofwfb_mmap; 89 static vi_ioctl_t ofwfb_ioctl; 90 static vi_clear_t ofwfb_clear; 91 static vi_fill_rect_t ofwfb_fill_rect; 92 static vi_bitblt_t ofwfb_bitblt; 93 static vi_diag_t ofwfb_diag; 94 static vi_save_cursor_palette_t ofwfb_save_cursor_palette; 95 static vi_load_cursor_palette_t ofwfb_load_cursor_palette; 96 static vi_copy_t ofwfb_copy; 97 static vi_putp_t ofwfb_putp; 98 static vi_putc_t ofwfb_putc; 99 static vi_puts_t ofwfb_puts; 100 static vi_putm_t ofwfb_putm; 101 102 static video_switch_t ofwfbvidsw = { 103 .probe = ofwfb_probe, 104 .init = ofwfb_init, 105 .get_info = ofwfb_get_info, 106 .query_mode = ofwfb_query_mode, 107 .set_mode = ofwfb_set_mode, 108 .save_font = ofwfb_save_font, 109 .load_font = ofwfb_load_font, 110 .show_font = ofwfb_show_font, 111 .save_palette = ofwfb_save_palette, 112 .load_palette = ofwfb_load_palette, 113 .set_border = ofwfb_set_border, 114 .save_state = ofwfb_save_state, 115 .load_state = ofwfb_load_state, 116 .set_win_org = ofwfb_set_win_org, 117 .read_hw_cursor = ofwfb_read_hw_cursor, 118 .set_hw_cursor = ofwfb_set_hw_cursor, 119 .set_hw_cursor_shape = ofwfb_set_hw_cursor_shape, 120 .blank_display = ofwfb_blank_display, 121 .mmap = ofwfb_mmap, 122 .ioctl = ofwfb_ioctl, 123 .clear = ofwfb_clear, 124 .fill_rect = ofwfb_fill_rect, 125 .bitblt = ofwfb_bitblt, 126 .diag = ofwfb_diag, 127 .save_cursor_palette = ofwfb_save_cursor_palette, 128 .load_cursor_palette = ofwfb_load_cursor_palette, 129 .copy = ofwfb_copy, 130 .putp = ofwfb_putp, 131 .putc = ofwfb_putc, 132 .puts = ofwfb_puts, 133 .putm = ofwfb_putm, 134 }; 135 136 /* 137 * bitmap depth-specific routines 138 */ 139 static vi_blank_display_t ofwfb_blank_display8; 140 static vi_putc_t ofwfb_putc8; 141 static vi_putm_t ofwfb_putm8; 142 static vi_set_border_t ofwfb_set_border8; 143 144 static vi_blank_display_t ofwfb_blank_display32; 145 static vi_putc_t ofwfb_putc32; 146 static vi_putm_t ofwfb_putm32; 147 static vi_set_border_t ofwfb_set_border32; 148 149 VIDEO_DRIVER(ofwfb, ofwfbvidsw, ofwfb_configure); 150 151 extern sc_rndr_sw_t txtrndrsw; 152 RENDERER(ofwfb, 0, txtrndrsw, gfb_set); 153 154 RENDERER_MODULE(ofwfb, gfb_set); 155 156 /* 157 * Define the iso6429-1983 colormap 158 */ 159 static struct { 160 uint8_t red; 161 uint8_t green; 162 uint8_t blue; 163 } ofwfb_cmap[16] = { /* # R G B Color */ 164 /* - - - - ----- */ 165 { 0x00, 0x00, 0x00 }, /* 0 0 0 0 Black */ 166 { 0x00, 0x00, 0xaa }, /* 1 0 0 2/3 Blue */ 167 { 0x00, 0xaa, 0x00 }, /* 2 0 2/3 0 Green */ 168 { 0x00, 0xaa, 0xaa }, /* 3 0 2/3 2/3 Cyan */ 169 { 0xaa, 0x00, 0x00 }, /* 4 2/3 0 0 Red */ 170 { 0xaa, 0x00, 0xaa }, /* 5 2/3 0 2/3 Magenta */ 171 { 0xaa, 0x55, 0x00 }, /* 6 2/3 1/3 0 Brown */ 172 { 0xaa, 0xaa, 0xaa }, /* 7 2/3 2/3 2/3 White */ 173 { 0x55, 0x55, 0x55 }, /* 8 1/3 1/3 1/3 Gray */ 174 { 0x55, 0x55, 0xff }, /* 9 1/3 1/3 1 Bright Blue */ 175 { 0x55, 0xff, 0x55 }, /* 10 1/3 1 1/3 Bright Green */ 176 { 0x55, 0xff, 0xff }, /* 11 1/3 1 1 Bright Cyan */ 177 { 0xff, 0x55, 0x55 }, /* 12 1 1/3 1/3 Bright Red */ 178 { 0xff, 0x55, 0xff }, /* 13 1 1/3 1 Bright Magenta */ 179 { 0xff, 0xff, 0x80 }, /* 14 1 1 1/3 Bright Yellow */ 180 { 0xff, 0xff, 0xff } /* 15 1 1 1 Bright White */ 181 }; 182 183 #define TODO printf("%s: unimplemented\n", __func__) 184 185 static u_int16_t ofwfb_static_window[ROW*COL]; 186 187 static struct ofwfb_softc ofwfb_softc; 188 189 static __inline int 190 ofwfb_background(uint8_t attr) 191 { 192 return (attr >> 4); 193 } 194 195 static __inline int 196 ofwfb_foreground(uint8_t attr) 197 { 198 return (attr & 0x0f); 199 } 200 201 static u_int 202 ofwfb_pix32(int attr) 203 { 204 u_int retval; 205 206 retval = (ofwfb_cmap[attr].blue << 16) | 207 (ofwfb_cmap[attr].green << 8) | 208 ofwfb_cmap[attr].red; 209 210 return (retval); 211 } 212 213 static int 214 ofwfb_configure(int flags) 215 { 216 struct ofwfb_softc *sc; 217 phandle_t chosen; 218 ihandle_t stdout; 219 phandle_t node; 220 uint32_t fb_phys; 221 int depth; 222 int disable; 223 int len; 224 char type[16]; 225 static int done = 0; 226 227 disable = 0; 228 TUNABLE_INT_FETCH("hw.syscons.disable", &disable); 229 if (disable != 0) 230 return (0); 231 232 if (done != 0) 233 return (0); 234 done = 1; 235 236 sc = &ofwfb_softc; 237 238 chosen = OF_finddevice("/chosen"); 239 OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)); 240 node = OF_instance_to_package(stdout); 241 if (node == -1) { 242 /* 243 * The "/chosen/stdout" does not exist try 244 * using "screen" directly. 245 */ 246 node = OF_finddevice("screen"); 247 } 248 OF_getprop(node, "device_type", type, sizeof(type)); 249 if (strcmp(type, "display") != 0) 250 return (0); 251 252 /* Only support 8 and 32-bit framebuffers */ 253 OF_getprop(node, "depth", &depth, sizeof(depth)); 254 if (depth == 8) { 255 sc->sc_blank = ofwfb_blank_display8; 256 sc->sc_putc = ofwfb_putc8; 257 sc->sc_putm = ofwfb_putm8; 258 sc->sc_set_border = ofwfb_set_border8; 259 } else if (depth == 32) { 260 sc->sc_blank = ofwfb_blank_display32; 261 sc->sc_putc = ofwfb_putc32; 262 sc->sc_putm = ofwfb_putm32; 263 sc->sc_set_border = ofwfb_set_border32; 264 } else 265 return (0); 266 267 sc->sc_depth = depth; 268 sc->sc_node = node; 269 sc->sc_console = 1; 270 OF_getprop(node, "height", &sc->sc_height, sizeof(sc->sc_height)); 271 OF_getprop(node, "width", &sc->sc_width, sizeof(sc->sc_width)); 272 OF_getprop(node, "linebytes", &sc->sc_stride, sizeof(sc->sc_stride)); 273 274 /* 275 * Grab the physical address of the framebuffer, and then map it 276 * into our memory space. If the MMU is not yet up, it will be 277 * remapped for us when relocation turns on. 278 * 279 * XXX We assume #address-cells is 1 at this point. 280 */ 281 OF_getprop(node, "address", &fb_phys, sizeof(fb_phys)); 282 283 bus_space_map(&bs_be_tag, fb_phys, sc->sc_height * sc->sc_stride, 284 BUS_SPACE_MAP_PREFETCHABLE, &sc->sc_addr); 285 286 /* 287 * Get the PCI addresses of the adapter. The node may be the 288 * child of the PCI device: in that case, try the parent for 289 * the assigned-addresses property. 290 */ 291 len = OF_getprop(node, "assigned-addresses", sc->sc_pciaddrs, 292 sizeof(sc->sc_pciaddrs)); 293 if (len == -1) { 294 len = OF_getprop(OF_parent(node), "assigned-addresses", 295 sc->sc_pciaddrs, sizeof(sc->sc_pciaddrs)); 296 } 297 298 if (len != -1) { 299 sc->sc_num_pciaddrs = len / sizeof(struct ofw_pci_register); 300 } 301 302 ofwfb_init(0, &sc->sc_va, 0); 303 304 return (0); 305 } 306 307 static int 308 ofwfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 309 { 310 TODO; 311 return (0); 312 } 313 314 static int 315 ofwfb_init(int unit, video_adapter_t *adp, int flags) 316 { 317 struct ofwfb_softc *sc; 318 video_info_t *vi; 319 int cborder; 320 int font_height; 321 322 sc = (struct ofwfb_softc *)adp; 323 vi = &adp->va_info; 324 325 vid_init_struct(adp, "ofwfb", -1, unit); 326 327 /* The default font size can be overridden by loader */ 328 font_height = 16; 329 TUNABLE_INT_FETCH("hw.syscons.fsize", &font_height); 330 if (font_height == 8) { 331 sc->sc_font = dflt_font_8; 332 sc->sc_font_height = 8; 333 } else if (font_height == 14) { 334 sc->sc_font = dflt_font_14; 335 sc->sc_font_height = 14; 336 } else { 337 /* default is 8x16 */ 338 sc->sc_font = dflt_font_16; 339 sc->sc_font_height = 16; 340 } 341 342 /* The user can set a border in chars - default is 1 char width */ 343 cborder = 1; 344 TUNABLE_INT_FETCH("hw.syscons.border", &cborder); 345 346 vi->vi_cheight = sc->sc_font_height; 347 vi->vi_width = sc->sc_width/8 - 2*cborder; 348 vi->vi_height = sc->sc_height/sc->sc_font_height - 2*cborder; 349 vi->vi_cwidth = 8; 350 351 /* 352 * Clamp width/height to syscons maximums 353 */ 354 if (vi->vi_width > COL) 355 vi->vi_width = COL; 356 if (vi->vi_height > ROW) 357 vi->vi_height = ROW; 358 359 sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2; 360 sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight))/2; 361 362 /* 363 * Avoid huge amounts of conditional code in syscons by 364 * defining a dummy h/w text display buffer. 365 */ 366 adp->va_window = (vm_offset_t) ofwfb_static_window; 367 368 /* 369 * Enable future font-loading and flag color support, as well as 370 * adding V_ADP_MODECHANGE so that we ofwfb_set_mode() gets called 371 * when the X server shuts down. This enables us to get the console 372 * back when X disappears. 373 */ 374 adp->va_flags |= V_ADP_FONT | V_ADP_COLOR | V_ADP_MODECHANGE; 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 struct ofwfb_softc *sc; 401 char name[64]; 402 ihandle_t ih; 403 int i, retval; 404 405 sc = (struct ofwfb_softc *)adp; 406 407 /* 408 * Open the display device, which will initialize it. 409 */ 410 411 memset(name, 0, sizeof(name)); 412 OF_package_to_path(sc->sc_node, name, sizeof(name)); 413 ih = OF_open(name); 414 415 if (sc->sc_depth == 8) { 416 /* 417 * Install the ISO6429 colormap - older OFW systems 418 * don't do this by default 419 */ 420 for (i = 0; i < 16; i++) { 421 OF_call_method("color!", ih, 4, 1, 422 ofwfb_cmap[i].red, 423 ofwfb_cmap[i].green, 424 ofwfb_cmap[i].blue, 425 i, 426 &retval); 427 } 428 } 429 430 ofwfb_blank_display(&sc->sc_va, V_DISPLAY_ON); 431 432 return (0); 433 } 434 435 static int 436 ofwfb_save_font(video_adapter_t *adp, int page, int size, int width, 437 u_char *data, int c, int count) 438 { 439 TODO; 440 return (0); 441 } 442 443 static int 444 ofwfb_load_font(video_adapter_t *adp, int page, int size, int width, 445 u_char *data, int c, int count) 446 { 447 struct ofwfb_softc *sc; 448 449 sc = (struct ofwfb_softc *)adp; 450 451 /* 452 * syscons code has already determined that current width/height 453 * are unchanged for this new font 454 */ 455 sc->sc_font = data; 456 return (0); 457 } 458 459 static int 460 ofwfb_show_font(video_adapter_t *adp, int page) 461 { 462 463 return (0); 464 } 465 466 static int 467 ofwfb_save_palette(video_adapter_t *adp, u_char *palette) 468 { 469 /* TODO; */ 470 return (0); 471 } 472 473 static int 474 ofwfb_load_palette(video_adapter_t *adp, u_char *palette) 475 { 476 /* TODO; */ 477 return (0); 478 } 479 480 static int 481 ofwfb_set_border8(video_adapter_t *adp, int border) 482 { 483 struct ofwfb_softc *sc; 484 int i, j; 485 uint8_t *addr; 486 uint8_t bground; 487 488 sc = (struct ofwfb_softc *)adp; 489 490 bground = ofwfb_background(border); 491 492 /* Set top margin */ 493 addr = (uint8_t *) sc->sc_addr; 494 for (i = 0; i < sc->sc_ymargin; i++) { 495 for (j = 0; j < sc->sc_width; j++) { 496 *(addr + j) = bground; 497 } 498 addr += sc->sc_stride; 499 } 500 501 /* bottom margin */ 502 addr = (uint8_t *) sc->sc_addr + (sc->sc_height - sc->sc_ymargin)*sc->sc_stride; 503 for (i = 0; i < sc->sc_ymargin; i++) { 504 for (j = 0; j < sc->sc_width; j++) { 505 *(addr + j) = bground; 506 } 507 addr += sc->sc_stride; 508 } 509 510 /* remaining left and right borders */ 511 addr = (uint8_t *) sc->sc_addr + sc->sc_ymargin*sc->sc_stride; 512 for (i = 0; i < sc->sc_height - 2*sc->sc_xmargin; i++) { 513 for (j = 0; j < sc->sc_xmargin; j++) { 514 *(addr + j) = bground; 515 *(addr + j + sc->sc_width - sc->sc_xmargin) = bground; 516 } 517 addr += sc->sc_stride; 518 } 519 520 return (0); 521 } 522 523 static int 524 ofwfb_set_border32(video_adapter_t *adp, int border) 525 { 526 /* XXX Be lazy for now and blank entire screen */ 527 return (ofwfb_blank_display32(adp, border)); 528 } 529 530 static int 531 ofwfb_set_border(video_adapter_t *adp, int border) 532 { 533 struct ofwfb_softc *sc; 534 535 sc = (struct ofwfb_softc *)adp; 536 537 return ((*sc->sc_set_border)(adp, border)); 538 } 539 540 static int 541 ofwfb_save_state(video_adapter_t *adp, void *p, size_t size) 542 { 543 TODO; 544 return (0); 545 } 546 547 static int 548 ofwfb_load_state(video_adapter_t *adp, void *p) 549 { 550 TODO; 551 return (0); 552 } 553 554 static int 555 ofwfb_set_win_org(video_adapter_t *adp, off_t offset) 556 { 557 TODO; 558 return (0); 559 } 560 561 static int 562 ofwfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 563 { 564 *col = 0; 565 *row = 0; 566 567 return (0); 568 } 569 570 static int 571 ofwfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 572 { 573 574 return (0); 575 } 576 577 static int 578 ofwfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 579 int celsize, int blink) 580 { 581 return (0); 582 } 583 584 static int 585 ofwfb_blank_display8(video_adapter_t *adp, int mode) 586 { 587 struct ofwfb_softc *sc; 588 int i; 589 uint32_t *addr; 590 uint32_t color; 591 uint32_t end; 592 593 sc = (struct ofwfb_softc *)adp; 594 addr = (uint32_t *) sc->sc_addr; 595 end = (sc->sc_stride/4) * sc->sc_height; 596 597 /* Splat 4 pixels at once. */ 598 color = (ofwfb_background(SC_NORM_ATTR) << 24) | 599 (ofwfb_background(SC_NORM_ATTR) << 16) | 600 (ofwfb_background(SC_NORM_ATTR) << 8) | 601 (ofwfb_background(SC_NORM_ATTR)); 602 603 for (i = 0; i < end; i++) 604 *(addr + i) = color; 605 606 return (0); 607 } 608 609 static int 610 ofwfb_blank_display32(video_adapter_t *adp, int mode) 611 { 612 struct ofwfb_softc *sc; 613 int i; 614 uint32_t *addr; 615 616 sc = (struct ofwfb_softc *)adp; 617 addr = (uint32_t *) sc->sc_addr; 618 619 for (i = 0; i < (sc->sc_stride/4)*sc->sc_height; i++) 620 *(addr + i) = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR)); 621 622 return (0); 623 } 624 625 static int 626 ofwfb_blank_display(video_adapter_t *adp, int mode) 627 { 628 struct ofwfb_softc *sc; 629 630 sc = (struct ofwfb_softc *)adp; 631 632 return ((*sc->sc_blank)(adp, mode)); 633 } 634 635 static int 636 ofwfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 637 int prot, vm_memattr_t *memattr) 638 { 639 struct ofwfb_softc *sc; 640 int i; 641 642 sc = (struct ofwfb_softc *)adp; 643 644 /* 645 * Make sure the requested address lies within the PCI device's 646 * assigned addrs 647 */ 648 for (i = 0; i < sc->sc_num_pciaddrs; i++) 649 if (offset >= sc->sc_pciaddrs[i].phys_lo && 650 offset < (sc->sc_pciaddrs[i].phys_lo + sc->sc_pciaddrs[i].size_lo)) 651 { 652 /* 653 * If this is a prefetchable BAR, we can (and should) 654 * enable write-combining. 655 */ 656 if (sc->sc_pciaddrs[i].phys_hi & 657 OFW_PCI_PHYS_HI_PREFETCHABLE) 658 *memattr = VM_MEMATTR_WRITE_COMBINING; 659 660 *paddr = offset; 661 return (0); 662 } 663 664 /* 665 * Hack for Radeon... 666 */ 667 if (ofwfb_ignore_mmap_checks) { 668 *paddr = offset; 669 return (0); 670 } 671 672 /* 673 * This might be a legacy VGA mem request: if so, just point it at the 674 * framebuffer, since it shouldn't be touched 675 */ 676 if (offset < sc->sc_stride*sc->sc_height) { 677 *paddr = sc->sc_addr + offset; 678 return (0); 679 } 680 681 /* 682 * Error if we didn't have a better idea. 683 */ 684 if (sc->sc_num_pciaddrs == 0) 685 return (ENOMEM); 686 687 return (EINVAL); 688 } 689 690 static int 691 ofwfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 692 { 693 694 return (0); 695 } 696 697 static int 698 ofwfb_clear(video_adapter_t *adp) 699 { 700 TODO; 701 return (0); 702 } 703 704 static int 705 ofwfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 706 { 707 TODO; 708 return (0); 709 } 710 711 static int 712 ofwfb_bitblt(video_adapter_t *adp, ...) 713 { 714 TODO; 715 return (0); 716 } 717 718 static int 719 ofwfb_diag(video_adapter_t *adp, int level) 720 { 721 TODO; 722 return (0); 723 } 724 725 static int 726 ofwfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 727 { 728 TODO; 729 return (0); 730 } 731 732 static int 733 ofwfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 734 { 735 TODO; 736 return (0); 737 } 738 739 static int 740 ofwfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 741 { 742 TODO; 743 return (0); 744 } 745 746 static int 747 ofwfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 748 int size, int bpp, int bit_ltor, int byte_ltor) 749 { 750 TODO; 751 return (0); 752 } 753 754 static int 755 ofwfb_putc8(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 756 { 757 struct ofwfb_softc *sc; 758 int row; 759 int col; 760 int i; 761 uint32_t *addr; 762 u_char *p, fg, bg; 763 union { 764 uint32_t l; 765 uint8_t c[4]; 766 } ch1, ch2; 767 768 769 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 = (u_int32_t *)((uintptr_t)sc->sc_addr 774 + (row + sc->sc_ymargin)*sc->sc_stride 775 + col + sc->sc_xmargin); 776 777 fg = ofwfb_foreground(a); 778 bg = ofwfb_background(a); 779 780 for (i = 0; i < sc->sc_font_height; i++) { 781 u_char fline = p[i]; 782 783 /* 784 * Assume that there is more background than foreground 785 * in characters and init accordingly 786 */ 787 ch1.l = ch2.l = (bg << 24) | (bg << 16) | (bg << 8) | bg; 788 789 /* 790 * Calculate 2 x 4-chars at a time, and then 791 * write these out. 792 */ 793 if (fline & 0x80) ch1.c[0] = fg; 794 if (fline & 0x40) ch1.c[1] = fg; 795 if (fline & 0x20) ch1.c[2] = fg; 796 if (fline & 0x10) ch1.c[3] = fg; 797 798 if (fline & 0x08) ch2.c[0] = fg; 799 if (fline & 0x04) ch2.c[1] = fg; 800 if (fline & 0x02) ch2.c[2] = fg; 801 if (fline & 0x01) ch2.c[3] = fg; 802 803 addr[0] = ch1.l; 804 addr[1] = ch2.l; 805 addr += (sc->sc_stride / sizeof(u_int32_t)); 806 } 807 808 return (0); 809 } 810 811 static int 812 ofwfb_putc32(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 813 { 814 struct ofwfb_softc *sc; 815 int row; 816 int col; 817 int i, j, k; 818 uint32_t *addr; 819 u_char *p; 820 821 sc = (struct ofwfb_softc *)adp; 822 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 823 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 824 p = sc->sc_font + c*sc->sc_font_height; 825 addr = (uint32_t *)sc->sc_addr 826 + (row + sc->sc_ymargin)*(sc->sc_stride/4) 827 + col + sc->sc_xmargin; 828 829 for (i = 0; i < sc->sc_font_height; i++) { 830 for (j = 0, k = 7; j < 8; j++, k--) { 831 if ((p[i] & (1 << k)) == 0) 832 *(addr + j) = ofwfb_pix32(ofwfb_background(a)); 833 else 834 *(addr + j) = ofwfb_pix32(ofwfb_foreground(a)); 835 } 836 addr += (sc->sc_stride/4); 837 } 838 839 return (0); 840 } 841 842 static int 843 ofwfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 844 { 845 struct ofwfb_softc *sc; 846 847 sc = (struct ofwfb_softc *)adp; 848 849 return ((*sc->sc_putc)(adp, off, c, a)); 850 } 851 852 static int 853 ofwfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 854 { 855 int i; 856 857 for (i = 0; i < len; i++) { 858 ofwfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 859 } 860 return (0); 861 } 862 863 static int 864 ofwfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 865 uint32_t pixel_mask, int size, int width) 866 { 867 struct ofwfb_softc *sc; 868 869 sc = (struct ofwfb_softc *)adp; 870 871 return ((*sc->sc_putm)(adp, x, y, pixel_image, pixel_mask, size, 872 width)); 873 } 874 875 static int 876 ofwfb_putm8(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 877 uint32_t pixel_mask, int size, int width) 878 { 879 struct ofwfb_softc *sc; 880 int i, j, k; 881 uint8_t *addr; 882 u_char fg, bg; 883 884 sc = (struct ofwfb_softc *)adp; 885 addr = (u_int8_t *)((uintptr_t)sc->sc_addr 886 + (y + sc->sc_ymargin)*sc->sc_stride 887 + x + sc->sc_xmargin); 888 889 fg = ofwfb_foreground(SC_NORM_ATTR); 890 bg = ofwfb_background(SC_NORM_ATTR); 891 892 for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) { 893 /* 894 * Calculate 2 x 4-chars at a time, and then 895 * write these out. 896 */ 897 for (j = 0, k = width; j < 8; j++, k--) { 898 if (x + j >= sc->sc_width - 2*sc->sc_xmargin) 899 continue; 900 901 if (pixel_image[i] & (1 << k)) 902 addr[j] = (addr[j] == fg) ? bg : fg; 903 } 904 905 addr += (sc->sc_stride / sizeof(u_int8_t)); 906 } 907 908 return (0); 909 } 910 911 static int 912 ofwfb_putm32(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 913 uint32_t pixel_mask, int size, int width) 914 { 915 struct ofwfb_softc *sc; 916 int i, j, k; 917 uint32_t fg, bg; 918 uint32_t *addr; 919 920 sc = (struct ofwfb_softc *)adp; 921 addr = (uint32_t *)sc->sc_addr 922 + (y + sc->sc_ymargin)*(sc->sc_stride/4) 923 + x + sc->sc_xmargin; 924 925 fg = ofwfb_pix32(ofwfb_foreground(SC_NORM_ATTR)); 926 bg = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR)); 927 928 for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) { 929 for (j = 0, k = width; j < 8; j++, k--) { 930 if (x + j >= sc->sc_width - 2*sc->sc_xmargin) 931 continue; 932 933 if (pixel_image[i] & (1 << k)) 934 *(addr + j) = (*(addr + j) == fg) ? bg : fg; 935 } 936 addr += (sc->sc_stride/4); 937 } 938 939 return (0); 940 } 941 942 /* 943 * Define the syscons nexus device attachment 944 */ 945 static void 946 ofwfb_scidentify(driver_t *driver, device_t parent) 947 { 948 device_t child; 949 950 /* 951 * The Nintendo Wii doesn't have open firmware, so don't probe ofwfb 952 * because otherwise we will crash. 953 */ 954 if (strcmp(installed_platform(), "wii") == 0) 955 return; 956 /* 957 * Add with a priority guaranteed to make it last on 958 * the device list 959 */ 960 child = BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0); 961 } 962 963 static int 964 ofwfb_scprobe(device_t dev) 965 { 966 int error; 967 968 device_set_desc(dev, "System console"); 969 970 error = sc_probe_unit(device_get_unit(dev), 971 device_get_flags(dev) | SC_AUTODETECT_KBD); 972 if (error != 0) 973 return (error); 974 975 /* This is a fake device, so make sure we added it ourselves */ 976 return (BUS_PROBE_NOWILDCARD); 977 } 978 979 static int 980 ofwfb_scattach(device_t dev) 981 { 982 return (sc_attach_unit(device_get_unit(dev), 983 device_get_flags(dev) | SC_AUTODETECT_KBD)); 984 } 985 986 static device_method_t ofwfb_sc_methods[] = { 987 DEVMETHOD(device_identify, ofwfb_scidentify), 988 DEVMETHOD(device_probe, ofwfb_scprobe), 989 DEVMETHOD(device_attach, ofwfb_scattach), 990 { 0, 0 } 991 }; 992 993 static driver_t ofwfb_sc_driver = { 994 SC_DRIVER_NAME, 995 ofwfb_sc_methods, 996 sizeof(sc_softc_t), 997 }; 998 999 static devclass_t sc_devclass; 1000 1001 DRIVER_MODULE(ofwfb, nexus, ofwfb_sc_driver, sc_devclass, 0, 0); 1002 1003 /* 1004 * Define a stub keyboard driver in case one hasn't been 1005 * compiled into the kernel 1006 */ 1007 #include <sys/kbio.h> 1008 #include <dev/kbd/kbdreg.h> 1009 1010 static int dummy_kbd_configure(int flags); 1011 1012 keyboard_switch_t dummysw; 1013 1014 static int 1015 dummy_kbd_configure(int flags) 1016 { 1017 1018 return (0); 1019 } 1020 KEYBOARD_DRIVER(dummy, dummysw, dummy_kbd_configure); 1021 1022 /* 1023 * Utility routines from <dev/fb/fbreg.h> 1024 */ 1025 void 1026 ofwfb_bcopy(const void *s, void *d, size_t c) 1027 { 1028 bcopy(s, d, c); 1029 } 1030 1031 void 1032 ofwfb_bzero(void *d, size_t c) 1033 { 1034 bzero(d, c); 1035 } 1036 1037 void 1038 ofwfb_fillw(int pat, void *base, size_t cnt) 1039 { 1040 u_int16_t *bptr = base; 1041 1042 while (cnt--) 1043 *bptr++ = pat; 1044 } 1045 1046 u_int16_t 1047 ofwfb_readw(u_int16_t *addr) 1048 { 1049 return (*addr); 1050 } 1051 1052 void 1053 ofwfb_writew(u_int16_t *addr, u_int16_t val) 1054 { 1055 *addr = val; 1056 } 1057