ofw_syscons.c revision 227309
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: head/sys/powerpc/ofw/ofw_syscons.c 227309 2011-11-07 15:43:11Z ed $"); 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 59static int ofwfb_ignore_mmap_checks = 1; 60static SYSCTL_NODE(_hw, OID_AUTO, ofwfb, CTLFLAG_RD, 0, "ofwfb"); 61SYSCTL_INT(_hw_ofwfb, OID_AUTO, relax_mmap, CTLFLAG_RW, 62 &ofwfb_ignore_mmap_checks, 0, "relaxed mmap bounds checking"); 63 64extern u_char dflt_font_16[]; 65extern u_char dflt_font_14[]; 66extern u_char dflt_font_8[]; 67 68static int ofwfb_configure(int flags); 69 70static vi_probe_t ofwfb_probe; 71static vi_init_t ofwfb_init; 72static vi_get_info_t ofwfb_get_info; 73static vi_query_mode_t ofwfb_query_mode; 74static vi_set_mode_t ofwfb_set_mode; 75static vi_save_font_t ofwfb_save_font; 76static vi_load_font_t ofwfb_load_font; 77static vi_show_font_t ofwfb_show_font; 78static vi_save_palette_t ofwfb_save_palette; 79static vi_load_palette_t ofwfb_load_palette; 80static vi_set_border_t ofwfb_set_border; 81static vi_save_state_t ofwfb_save_state; 82static vi_load_state_t ofwfb_load_state; 83static vi_set_win_org_t ofwfb_set_win_org; 84static vi_read_hw_cursor_t ofwfb_read_hw_cursor; 85static vi_set_hw_cursor_t ofwfb_set_hw_cursor; 86static vi_set_hw_cursor_shape_t ofwfb_set_hw_cursor_shape; 87static vi_blank_display_t ofwfb_blank_display; 88static vi_mmap_t ofwfb_mmap; 89static vi_ioctl_t ofwfb_ioctl; 90static vi_clear_t ofwfb_clear; 91static vi_fill_rect_t ofwfb_fill_rect; 92static vi_bitblt_t ofwfb_bitblt; 93static vi_diag_t ofwfb_diag; 94static vi_save_cursor_palette_t ofwfb_save_cursor_palette; 95static vi_load_cursor_palette_t ofwfb_load_cursor_palette; 96static vi_copy_t ofwfb_copy; 97static vi_putp_t ofwfb_putp; 98static vi_putc_t ofwfb_putc; 99static vi_puts_t ofwfb_puts; 100static vi_putm_t ofwfb_putm; 101 102static 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 */ 139static vi_blank_display_t ofwfb_blank_display8; 140static vi_putc_t ofwfb_putc8; 141static vi_putm_t ofwfb_putm8; 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_putm_t ofwfb_putm32; 147static vi_set_border_t ofwfb_set_border32; 148 149VIDEO_DRIVER(ofwfb, ofwfbvidsw, ofwfb_configure); 150 151extern sc_rndr_sw_t txtrndrsw; 152RENDERER(ofwfb, 0, txtrndrsw, gfb_set); 153 154RENDERER_MODULE(ofwfb, gfb_set); 155 156/* 157 * Define the iso6429-1983 colormap 158 */ 159static 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 185static u_int16_t ofwfb_static_window[ROW*COL]; 186 187static struct ofwfb_softc ofwfb_softc; 188 189static __inline int 190ofwfb_background(uint8_t attr) 191{ 192 return (attr >> 4); 193} 194 195static __inline int 196ofwfb_foreground(uint8_t attr) 197{ 198 return (attr & 0x0f); 199} 200 201static u_int 202ofwfb_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 213static int 214ofwfb_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 307static int 308ofwfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 309{ 310 TODO; 311 return (0); 312} 313 314static int 315ofwfb_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 383static int 384ofwfb_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 390static int 391ofwfb_query_mode(video_adapter_t *adp, video_info_t *info) 392{ 393 TODO; 394 return (0); 395} 396 397static int 398ofwfb_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 435static int 436ofwfb_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 443static int 444ofwfb_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 459static int 460ofwfb_show_font(video_adapter_t *adp, int page) 461{ 462 463 return (0); 464} 465 466static int 467ofwfb_save_palette(video_adapter_t *adp, u_char *palette) 468{ 469 /* TODO; */ 470 return (0); 471} 472 473static int 474ofwfb_load_palette(video_adapter_t *adp, u_char *palette) 475{ 476 /* TODO; */ 477 return (0); 478} 479 480static int 481ofwfb_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 523static int 524ofwfb_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 530static int 531ofwfb_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 540static int 541ofwfb_save_state(video_adapter_t *adp, void *p, size_t size) 542{ 543 TODO; 544 return (0); 545} 546 547static int 548ofwfb_load_state(video_adapter_t *adp, void *p) 549{ 550 TODO; 551 return (0); 552} 553 554static int 555ofwfb_set_win_org(video_adapter_t *adp, off_t offset) 556{ 557 TODO; 558 return (0); 559} 560 561static int 562ofwfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 563{ 564 *col = 0; 565 *row = 0; 566 567 return (0); 568} 569 570static int 571ofwfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 572{ 573 574 return (0); 575} 576 577static int 578ofwfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 579 int celsize, int blink) 580{ 581 return (0); 582} 583 584static int 585ofwfb_blank_display8(video_adapter_t *adp, int mode) 586{ 587 struct ofwfb_softc *sc; 588 int i; 589 uint8_t *addr; 590 591 sc = (struct ofwfb_softc *)adp; 592 addr = (uint8_t *) sc->sc_addr; 593 594 /* Could be done a lot faster e.g. 32-bits, or Altivec'd */ 595 for (i = 0; i < sc->sc_stride*sc->sc_height; i++) 596 *(addr + i) = ofwfb_background(SC_NORM_ATTR); 597 598 return (0); 599} 600 601static int 602ofwfb_blank_display32(video_adapter_t *adp, int mode) 603{ 604 struct ofwfb_softc *sc; 605 int i; 606 uint32_t *addr; 607 608 sc = (struct ofwfb_softc *)adp; 609 addr = (uint32_t *) sc->sc_addr; 610 611 for (i = 0; i < (sc->sc_stride/4)*sc->sc_height; i++) 612 *(addr + i) = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR)); 613 614 return (0); 615} 616 617static int 618ofwfb_blank_display(video_adapter_t *adp, int mode) 619{ 620 struct ofwfb_softc *sc; 621 622 sc = (struct ofwfb_softc *)adp; 623 624 return ((*sc->sc_blank)(adp, mode)); 625} 626 627static int 628ofwfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 629 int prot, vm_memattr_t *memattr) 630{ 631 struct ofwfb_softc *sc; 632 int i; 633 634 sc = (struct ofwfb_softc *)adp; 635 636 /* 637 * Make sure the requested address lies within the PCI device's 638 * assigned addrs 639 */ 640 for (i = 0; i < sc->sc_num_pciaddrs; i++) 641 if (offset >= sc->sc_pciaddrs[i].phys_lo && 642 offset < (sc->sc_pciaddrs[i].phys_lo + sc->sc_pciaddrs[i].size_lo)) 643 { 644 /* 645 * If this is a prefetchable BAR, we can (and should) 646 * enable write-combining. 647 */ 648 if (sc->sc_pciaddrs[i].phys_hi & 649 OFW_PCI_PHYS_HI_PREFETCHABLE) 650 *memattr = VM_MEMATTR_WRITE_COMBINING; 651 652 *paddr = offset; 653 return (0); 654 } 655 656 /* 657 * Hack for Radeon... 658 */ 659 if (ofwfb_ignore_mmap_checks) { 660 *paddr = offset; 661 return (0); 662 } 663 664 /* 665 * This might be a legacy VGA mem request: if so, just point it at the 666 * framebuffer, since it shouldn't be touched 667 */ 668 if (offset < sc->sc_stride*sc->sc_height) { 669 *paddr = sc->sc_addr + offset; 670 return (0); 671 } 672 673 /* 674 * Error if we didn't have a better idea. 675 */ 676 if (sc->sc_num_pciaddrs == 0) 677 return (ENOMEM); 678 679 return (EINVAL); 680} 681 682static int 683ofwfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 684{ 685 686 return (0); 687} 688 689static int 690ofwfb_clear(video_adapter_t *adp) 691{ 692 TODO; 693 return (0); 694} 695 696static int 697ofwfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 698{ 699 TODO; 700 return (0); 701} 702 703static int 704ofwfb_bitblt(video_adapter_t *adp, ...) 705{ 706 TODO; 707 return (0); 708} 709 710static int 711ofwfb_diag(video_adapter_t *adp, int level) 712{ 713 TODO; 714 return (0); 715} 716 717static int 718ofwfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 719{ 720 TODO; 721 return (0); 722} 723 724static int 725ofwfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 726{ 727 TODO; 728 return (0); 729} 730 731static int 732ofwfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 733{ 734 TODO; 735 return (0); 736} 737 738static int 739ofwfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 740 int size, int bpp, int bit_ltor, int byte_ltor) 741{ 742 TODO; 743 return (0); 744} 745 746static int 747ofwfb_putc8(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 748{ 749 struct ofwfb_softc *sc; 750 int row; 751 int col; 752 int i; 753 uint32_t *addr; 754 u_char *p, fg, bg; 755 union { 756 uint32_t l; 757 uint8_t c[4]; 758 } ch1, ch2; 759 760 761 sc = (struct ofwfb_softc *)adp; 762 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 763 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 764 p = sc->sc_font + c*sc->sc_font_height; 765 addr = (u_int32_t *)((uintptr_t)sc->sc_addr 766 + (row + sc->sc_ymargin)*sc->sc_stride 767 + col + sc->sc_xmargin); 768 769 fg = ofwfb_foreground(a); 770 bg = ofwfb_background(a); 771 772 for (i = 0; i < sc->sc_font_height; i++) { 773 u_char fline = p[i]; 774 775 /* 776 * Assume that there is more background than foreground 777 * in characters and init accordingly 778 */ 779 ch1.l = ch2.l = (bg << 24) | (bg << 16) | (bg << 8) | bg; 780 781 /* 782 * Calculate 2 x 4-chars at a time, and then 783 * write these out. 784 */ 785 if (fline & 0x80) ch1.c[0] = fg; 786 if (fline & 0x40) ch1.c[1] = fg; 787 if (fline & 0x20) ch1.c[2] = fg; 788 if (fline & 0x10) ch1.c[3] = fg; 789 790 if (fline & 0x08) ch2.c[0] = fg; 791 if (fline & 0x04) ch2.c[1] = fg; 792 if (fline & 0x02) ch2.c[2] = fg; 793 if (fline & 0x01) ch2.c[3] = fg; 794 795 addr[0] = ch1.l; 796 addr[1] = ch2.l; 797 addr += (sc->sc_stride / sizeof(u_int32_t)); 798 } 799 800 return (0); 801} 802 803static int 804ofwfb_putc32(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 805{ 806 struct ofwfb_softc *sc; 807 int row; 808 int col; 809 int i, j, k; 810 uint32_t *addr; 811 u_char *p; 812 813 sc = (struct ofwfb_softc *)adp; 814 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 815 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 816 p = sc->sc_font + c*sc->sc_font_height; 817 addr = (uint32_t *)sc->sc_addr 818 + (row + sc->sc_ymargin)*(sc->sc_stride/4) 819 + col + sc->sc_xmargin; 820 821 for (i = 0; i < sc->sc_font_height; i++) { 822 for (j = 0, k = 7; j < 8; j++, k--) { 823 if ((p[i] & (1 << k)) == 0) 824 *(addr + j) = ofwfb_pix32(ofwfb_background(a)); 825 else 826 *(addr + j) = ofwfb_pix32(ofwfb_foreground(a)); 827 } 828 addr += (sc->sc_stride/4); 829 } 830 831 return (0); 832} 833 834static int 835ofwfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 836{ 837 struct ofwfb_softc *sc; 838 839 sc = (struct ofwfb_softc *)adp; 840 841 return ((*sc->sc_putc)(adp, off, c, a)); 842} 843 844static int 845ofwfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 846{ 847 int i; 848 849 for (i = 0; i < len; i++) { 850 ofwfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 851 } 852 return (0); 853} 854 855static int 856ofwfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 857 uint32_t pixel_mask, int size, int width) 858{ 859 struct ofwfb_softc *sc; 860 861 sc = (struct ofwfb_softc *)adp; 862 863 return ((*sc->sc_putm)(adp, x, y, pixel_image, pixel_mask, size, 864 width)); 865} 866 867static int 868ofwfb_putm8(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 869 uint32_t pixel_mask, int size, int width) 870{ 871 struct ofwfb_softc *sc; 872 int i, j, k; 873 uint8_t *addr; 874 u_char fg, bg; 875 876 sc = (struct ofwfb_softc *)adp; 877 addr = (u_int8_t *)((uintptr_t)sc->sc_addr 878 + (y + sc->sc_ymargin)*sc->sc_stride 879 + x + sc->sc_xmargin); 880 881 fg = ofwfb_foreground(SC_NORM_ATTR); 882 bg = ofwfb_background(SC_NORM_ATTR); 883 884 for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) { 885 /* 886 * Calculate 2 x 4-chars at a time, and then 887 * write these out. 888 */ 889 for (j = 0, k = width; j < 8; j++, k--) { 890 if (x + j >= sc->sc_width - 2*sc->sc_xmargin) 891 continue; 892 893 if (pixel_image[i] & (1 << k)) 894 addr[j] = (addr[j] == fg) ? bg : fg; 895 } 896 897 addr += (sc->sc_stride / sizeof(u_int8_t)); 898 } 899 900 return (0); 901} 902 903static int 904ofwfb_putm32(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 905 uint32_t pixel_mask, int size, int width) 906{ 907 struct ofwfb_softc *sc; 908 int i, j, k; 909 uint32_t fg, bg; 910 uint32_t *addr; 911 912 sc = (struct ofwfb_softc *)adp; 913 addr = (uint32_t *)sc->sc_addr 914 + (y + sc->sc_ymargin)*(sc->sc_stride/4) 915 + x + sc->sc_xmargin; 916 917 fg = ofwfb_pix32(ofwfb_foreground(SC_NORM_ATTR)); 918 bg = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR)); 919 920 for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) { 921 for (j = 0, k = width; j < 8; j++, k--) { 922 if (x + j >= sc->sc_width - 2*sc->sc_xmargin) 923 continue; 924 925 if (pixel_image[i] & (1 << k)) 926 *(addr + j) = (*(addr + j) == fg) ? bg : fg; 927 } 928 addr += (sc->sc_stride/4); 929 } 930 931 return (0); 932} 933 934/* 935 * Define the syscons nexus device attachment 936 */ 937static void 938ofwfb_scidentify(driver_t *driver, device_t parent) 939{ 940 device_t child; 941 942 /* 943 * Add with a priority guaranteed to make it last on 944 * the device list 945 */ 946 child = BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0); 947} 948 949static int 950ofwfb_scprobe(device_t dev) 951{ 952 int error; 953 954 device_set_desc(dev, "System console"); 955 956 error = sc_probe_unit(device_get_unit(dev), 957 device_get_flags(dev) | SC_AUTODETECT_KBD); 958 if (error != 0) 959 return (error); 960 961 /* This is a fake device, so make sure we added it ourselves */ 962 return (BUS_PROBE_NOWILDCARD); 963} 964 965static int 966ofwfb_scattach(device_t dev) 967{ 968 return (sc_attach_unit(device_get_unit(dev), 969 device_get_flags(dev) | SC_AUTODETECT_KBD)); 970} 971 972static device_method_t ofwfb_sc_methods[] = { 973 DEVMETHOD(device_identify, ofwfb_scidentify), 974 DEVMETHOD(device_probe, ofwfb_scprobe), 975 DEVMETHOD(device_attach, ofwfb_scattach), 976 { 0, 0 } 977}; 978 979static driver_t ofwfb_sc_driver = { 980 SC_DRIVER_NAME, 981 ofwfb_sc_methods, 982 sizeof(sc_softc_t), 983}; 984 985static devclass_t sc_devclass; 986 987DRIVER_MODULE(sc, nexus, ofwfb_sc_driver, sc_devclass, 0, 0); 988 989/* 990 * Define a stub keyboard driver in case one hasn't been 991 * compiled into the kernel 992 */ 993#include <sys/kbio.h> 994#include <dev/kbd/kbdreg.h> 995 996static int dummy_kbd_configure(int flags); 997 998keyboard_switch_t dummysw; 999 1000static int 1001dummy_kbd_configure(int flags) 1002{ 1003 1004 return (0); 1005} 1006KEYBOARD_DRIVER(dummy, dummysw, dummy_kbd_configure); 1007 1008/* 1009 * Utility routines from <dev/fb/fbreg.h> 1010 */ 1011void 1012ofwfb_bcopy(const void *s, void *d, size_t c) 1013{ 1014 bcopy(s, d, c); 1015} 1016 1017void 1018ofwfb_bzero(void *d, size_t c) 1019{ 1020 bzero(d, c); 1021} 1022 1023void 1024ofwfb_fillw(int pat, void *base, size_t cnt) 1025{ 1026 u_int16_t *bptr = base; 1027 1028 while (cnt--) 1029 *bptr++ = pat; 1030} 1031 1032u_int16_t 1033ofwfb_readw(u_int16_t *addr) 1034{ 1035 return (*addr); 1036} 1037 1038void 1039ofwfb_writew(u_int16_t *addr, u_int16_t val) 1040{ 1041 *addr = val; 1042} 1043