1 /*- 2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 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/bus.h> 33 #include <sys/consio.h> 34 #include <sys/fbio.h> 35 #include <sys/kdb.h> 36 #include <sys/kernel.h> 37 #include <sys/malloc.h> 38 #include <sys/module.h> 39 40 #include <vm/vm.h> 41 #include <vm/pmap.h> 42 43 #include <dev/fb/fbreg.h> 44 #include <dev/fdt/fdt_common.h> 45 #include <dev/ofw/ofw_bus.h> 46 #include <dev/ofw/ofw_bus_subr.h> 47 #include <dev/syscons/syscons.h> 48 49 #include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h> 50 51 #include "mbox_if.h" 52 53 struct argb { 54 uint8_t a; 55 uint8_t r; 56 uint8_t g; 57 uint8_t b; 58 }; 59 60 static struct argb bcmfb_palette[16] = { 61 {0x00, 0x00, 0x00, 0x00}, 62 {0x00, 0x00, 0x00, 0xaa}, 63 {0x00, 0x00, 0xaa, 0x00}, 64 {0x00, 0x00, 0xaa, 0xaa}, 65 {0x00, 0xaa, 0x00, 0x00}, 66 {0x00, 0xaa, 0x00, 0xaa}, 67 {0x00, 0xaa, 0x55, 0x00}, 68 {0x00, 0xaa, 0xaa, 0xaa}, 69 {0x00, 0x55, 0x55, 0x55}, 70 {0x00, 0x55, 0x55, 0xff}, 71 {0x00, 0x55, 0xff, 0x55}, 72 {0x00, 0x55, 0xff, 0xff}, 73 {0x00, 0xff, 0x55, 0x55}, 74 {0x00, 0xff, 0x55, 0xff}, 75 {0x00, 0xff, 0xff, 0x55}, 76 {0x00, 0xff, 0xff, 0xff} 77 }; 78 79 /* mouse pointer from dev/syscons/scgfbrndr.c */ 80 static u_char mouse_pointer[16] = { 81 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 82 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 83 }; 84 85 #define BCMFB_FONT_HEIGHT 16 86 #define BCMFB_FONT_WIDTH 8 87 #define FB_WIDTH 640 88 #define FB_HEIGHT 480 89 #define FB_DEPTH 24 90 91 struct bcmsc_softc { 92 /* Videoadpater part */ 93 video_adapter_t va; 94 95 intptr_t fb_addr; 96 intptr_t fb_paddr; 97 unsigned int fb_size; 98 99 unsigned int height; 100 unsigned int width; 101 unsigned int depth; 102 unsigned int stride; 103 104 unsigned int xmargin; 105 unsigned int ymargin; 106 107 unsigned char *font; 108 int fbswap; 109 int initialized; 110 }; 111 112 static struct bcmsc_softc bcmsc; 113 114 static int bcm_fb_probe(device_t); 115 static int bcm_fb_attach(device_t); 116 static void bcmfb_update_margins(video_adapter_t *adp); 117 static int bcmfb_configure(int); 118 119 static int 120 bcm_fb_probe(device_t dev) 121 { 122 int error; 123 124 if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-fb")) 125 return (ENXIO); 126 device_set_desc(dev, "BCM2835 framebuffer device"); 127 error = sc_probe_unit(device_get_unit(dev), 128 device_get_flags(dev) | SC_AUTODETECT_KBD); 129 if (error != 0) 130 return (error); 131 132 return (BUS_PROBE_DEFAULT); 133 } 134 135 static int 136 bcm_fb_attach(device_t dev) 137 { 138 struct bcm2835_fb_config fb; 139 struct bcmsc_softc *sc; 140 141 sc = (struct bcmsc_softc *)vid_get_adapter(vid_find_adapter( 142 "bcmfb", 0)); 143 if (sc != NULL) 144 device_set_softc(dev, sc); 145 else 146 sc = device_get_softc(dev); 147 148 memset(&fb, 0, sizeof(fb)); 149 if (bcm2835_mbox_fb_get_w_h(&fb) != 0) 150 return (ENXIO); 151 fb.bpp = FB_DEPTH; 152 if (bcm2835_mbox_fb_init(&fb) != 0) 153 return (ENXIO); 154 155 sc->fb_addr = (intptr_t)pmap_mapdev(fb.base, fb.size); 156 sc->fb_paddr = fb.base; 157 sc->fb_size = fb.size; 158 sc->depth = fb.bpp; 159 sc->stride = fb.pitch; 160 sc->width = fb.xres; 161 sc->height = fb.yres; 162 bcmfb_update_margins(&sc->va); 163 164 if (sc_attach_unit(device_get_unit(dev), 165 device_get_flags(dev) | SC_AUTODETECT_KBD) != 0) { 166 device_printf(dev, "failed to attach syscons\n"); 167 return (ENXIO); 168 } 169 170 device_printf(dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", fb.xres, fb.yres, 171 fb.vxres, fb.vyres, fb.xoffset, fb.yoffset, fb.bpp); 172 device_printf(dev, 173 "fbswap: %d, pitch %d, base 0x%08x, screen_size %d\n", 174 sc->fbswap, fb.pitch, fb.base, fb.size); 175 176 return (0); 177 } 178 179 static device_method_t bcm_fb_methods[] = { 180 /* Device interface */ 181 DEVMETHOD(device_probe, bcm_fb_probe), 182 DEVMETHOD(device_attach, bcm_fb_attach), 183 184 { 0, 0 } 185 }; 186 187 static devclass_t bcm_fb_devclass; 188 189 static driver_t bcm_fb_driver = { 190 "fb", 191 bcm_fb_methods, 192 sizeof(struct bcmsc_softc), 193 }; 194 195 DRIVER_MODULE(bcm2835fb, ofwbus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 196 197 /* 198 * Video driver routines and glue. 199 */ 200 static vi_probe_t bcmfb_probe; 201 static vi_init_t bcmfb_init; 202 static vi_get_info_t bcmfb_get_info; 203 static vi_query_mode_t bcmfb_query_mode; 204 static vi_set_mode_t bcmfb_set_mode; 205 static vi_save_font_t bcmfb_save_font; 206 static vi_load_font_t bcmfb_load_font; 207 static vi_show_font_t bcmfb_show_font; 208 static vi_save_palette_t bcmfb_save_palette; 209 static vi_load_palette_t bcmfb_load_palette; 210 static vi_set_border_t bcmfb_set_border; 211 static vi_save_state_t bcmfb_save_state; 212 static vi_load_state_t bcmfb_load_state; 213 static vi_set_win_org_t bcmfb_set_win_org; 214 static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 215 static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 216 static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 217 static vi_blank_display_t bcmfb_blank_display; 218 static vi_mmap_t bcmfb_mmap; 219 static vi_ioctl_t bcmfb_ioctl; 220 static vi_clear_t bcmfb_clear; 221 static vi_fill_rect_t bcmfb_fill_rect; 222 static vi_bitblt_t bcmfb_bitblt; 223 static vi_diag_t bcmfb_diag; 224 static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 225 static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 226 static vi_copy_t bcmfb_copy; 227 static vi_putp_t bcmfb_putp; 228 static vi_putc_t bcmfb_putc; 229 static vi_puts_t bcmfb_puts; 230 static vi_putm_t bcmfb_putm; 231 232 static video_switch_t bcmfbvidsw = { 233 .probe = bcmfb_probe, 234 .init = bcmfb_init, 235 .get_info = bcmfb_get_info, 236 .query_mode = bcmfb_query_mode, 237 .set_mode = bcmfb_set_mode, 238 .save_font = bcmfb_save_font, 239 .load_font = bcmfb_load_font, 240 .show_font = bcmfb_show_font, 241 .save_palette = bcmfb_save_palette, 242 .load_palette = bcmfb_load_palette, 243 .set_border = bcmfb_set_border, 244 .save_state = bcmfb_save_state, 245 .load_state = bcmfb_load_state, 246 .set_win_org = bcmfb_set_win_org, 247 .read_hw_cursor = bcmfb_read_hw_cursor, 248 .set_hw_cursor = bcmfb_set_hw_cursor, 249 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 250 .blank_display = bcmfb_blank_display, 251 .mmap = bcmfb_mmap, 252 .ioctl = bcmfb_ioctl, 253 .clear = bcmfb_clear, 254 .fill_rect = bcmfb_fill_rect, 255 .bitblt = bcmfb_bitblt, 256 .diag = bcmfb_diag, 257 .save_cursor_palette = bcmfb_save_cursor_palette, 258 .load_cursor_palette = bcmfb_load_cursor_palette, 259 .copy = bcmfb_copy, 260 .putp = bcmfb_putp, 261 .putc = bcmfb_putc, 262 .puts = bcmfb_puts, 263 .putm = bcmfb_putm, 264 }; 265 266 VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 267 268 static vr_init_t bcmrend_init; 269 static vr_clear_t bcmrend_clear; 270 static vr_draw_border_t bcmrend_draw_border; 271 static vr_draw_t bcmrend_draw; 272 static vr_set_cursor_t bcmrend_set_cursor; 273 static vr_draw_cursor_t bcmrend_draw_cursor; 274 static vr_blink_cursor_t bcmrend_blink_cursor; 275 static vr_set_mouse_t bcmrend_set_mouse; 276 static vr_draw_mouse_t bcmrend_draw_mouse; 277 278 /* 279 * We use our own renderer; this is because we must emulate a hardware 280 * cursor. 281 */ 282 static sc_rndr_sw_t bcmrend = { 283 bcmrend_init, 284 bcmrend_clear, 285 bcmrend_draw_border, 286 bcmrend_draw, 287 bcmrend_set_cursor, 288 bcmrend_draw_cursor, 289 bcmrend_blink_cursor, 290 bcmrend_set_mouse, 291 bcmrend_draw_mouse 292 }; 293 294 RENDERER(bcmfb, 0, bcmrend, gfb_set); 295 RENDERER_MODULE(bcmfb, gfb_set); 296 297 static void 298 bcmrend_init(scr_stat* scp) 299 { 300 } 301 302 static void 303 bcmrend_clear(scr_stat* scp, int c, int attr) 304 { 305 } 306 307 static void 308 bcmrend_draw_border(scr_stat* scp, int color) 309 { 310 } 311 312 static void 313 bcmrend_draw(scr_stat* scp, int from, int count, int flip) 314 { 315 video_adapter_t* adp = scp->sc->adp; 316 int i, c, a; 317 318 if (!flip) { 319 /* Normal printing */ 320 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 321 } else { 322 /* This is for selections and such: invert the color attribute */ 323 for (i = count; i-- > 0; ++from) { 324 c = sc_vtb_getc(&scp->vtb, from); 325 a = sc_vtb_geta(&scp->vtb, from) >> 8; 326 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 327 } 328 } 329 } 330 331 static void 332 bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 333 { 334 } 335 336 static void 337 bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 338 { 339 int bytes, col, i, j, row; 340 struct bcmsc_softc *sc; 341 uint8_t *addr; 342 video_adapter_t *adp; 343 344 adp = scp->sc->adp; 345 sc = (struct bcmsc_softc *)adp; 346 347 if (scp->curs_attr.height <= 0) 348 return; 349 350 if (sc->fb_addr == 0) 351 return; 352 353 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 354 return; 355 356 /* calculate the coordinates in the video buffer */ 357 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 358 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 359 360 addr = (uint8_t *)sc->fb_addr 361 + (row + sc->ymargin)*(sc->stride) 362 + (sc->depth/8) * (col + sc->xmargin); 363 364 bytes = sc->depth / 8; 365 /* our cursor consists of simply inverting the char under it */ 366 for (i = 0; i < adp->va_info.vi_cheight; i++) { 367 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 368 switch (sc->depth) { 369 case 32: 370 case 24: 371 addr[bytes*j + 2] ^= 0xff; 372 /* FALLTHROUGH */ 373 case 16: 374 addr[bytes*j + 1] ^= 0xff; 375 addr[bytes*j] ^= 0xff; 376 break; 377 default: 378 break; 379 } 380 } 381 382 addr += sc->stride; 383 } 384 } 385 386 static void 387 bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 388 { 389 } 390 391 static void 392 bcmrend_set_mouse(scr_stat* scp) 393 { 394 } 395 396 static void 397 bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 398 { 399 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 400 } 401 402 static uint16_t bcmfb_static_window[ROW*COL]; 403 extern u_char dflt_font_16[]; 404 405 /* 406 * Update videoadapter settings after changing resolution 407 */ 408 static void 409 bcmfb_update_margins(video_adapter_t *adp) 410 { 411 struct bcmsc_softc *sc; 412 video_info_t *vi; 413 414 sc = (struct bcmsc_softc *)adp; 415 vi = &adp->va_info; 416 417 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 418 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 419 } 420 421 static int 422 bcmfb_configure(int flags) 423 { 424 char bootargs[2048], *n, *p, *v; 425 pcell_t cell; 426 phandle_t chosen, display, root; 427 struct bcmsc_softc *sc; 428 429 sc = &bcmsc; 430 if (sc->initialized) 431 return (0); 432 433 sc->width = 0; 434 sc->height = 0; 435 436 /* 437 * It seems there is no way to let syscons framework know 438 * that framebuffer resolution has changed. So just try 439 * to fetch data from FDT bootargs, FDT display data and 440 * finally go with defaults if everything else has failed. 441 */ 442 chosen = OF_finddevice("/chosen"); 443 if (chosen != 0 && 444 OF_getprop(chosen, "bootargs", &bootargs, sizeof(bootargs)) > 0) { 445 p = bootargs; 446 while ((v = strsep(&p, " ")) != NULL) { 447 if (*v == '\0') 448 continue; 449 n = strsep(&v, "="); 450 if (strcmp(n, "bcm2708_fb.fbwidth") == 0 && v != NULL) 451 sc->width = (unsigned int)strtol(v, NULL, 0); 452 else if (strcmp(n, "bcm2708_fb.fbheight") == 0 && 453 v != NULL) 454 sc->height = (unsigned int)strtol(v, NULL, 0); 455 else if (strcmp(n, "bcm2708_fb.fbswap") == 0 && 456 v != NULL) 457 if (*v == '1') 458 sc->fbswap = 1; 459 } 460 } 461 462 root = OF_finddevice("/"); 463 if ((root != 0) && 464 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 465 if (sc->width == 0) { 466 if ((OF_getprop(display, "broadcom,width", 467 &cell, sizeof(cell))) > 0) 468 sc->width = (int)fdt32_to_cpu(cell); 469 } 470 471 if (sc->height == 0) { 472 if ((OF_getprop(display, "broadcom,height", 473 &cell, sizeof(cell))) > 0) 474 sc->height = (int)fdt32_to_cpu(cell); 475 } 476 } 477 478 if (sc->width == 0) 479 sc->width = FB_WIDTH; 480 if (sc->height == 0) 481 sc->height = FB_HEIGHT; 482 483 bcmfb_init(0, &sc->va, 0); 484 sc->initialized = 1; 485 486 return (0); 487 } 488 489 static int 490 bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 491 { 492 493 return (0); 494 } 495 496 static int 497 bcmfb_init(int unit, video_adapter_t *adp, int flags) 498 { 499 struct bcmsc_softc *sc; 500 video_info_t *vi; 501 502 sc = (struct bcmsc_softc *)adp; 503 vi = &adp->va_info; 504 505 vid_init_struct(adp, "bcmfb", -1, unit); 506 507 sc->font = dflt_font_16; 508 vi->vi_cheight = BCMFB_FONT_HEIGHT; 509 vi->vi_cwidth = BCMFB_FONT_WIDTH; 510 vi->vi_width = sc->width / vi->vi_cwidth; 511 vi->vi_height = sc->height / vi->vi_cheight; 512 513 /* 514 * Clamp width/height to syscons maximums 515 */ 516 if (vi->vi_width > COL) 517 vi->vi_width = COL; 518 if (vi->vi_height > ROW) 519 vi->vi_height = ROW; 520 521 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 522 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 523 524 adp->va_window = (vm_offset_t) bcmfb_static_window; 525 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 526 527 vid_register(&sc->va); 528 529 return (0); 530 } 531 532 static int 533 bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 534 { 535 bcopy(&adp->va_info, info, sizeof(*info)); 536 return (0); 537 } 538 539 static int 540 bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 541 { 542 return (0); 543 } 544 545 static int 546 bcmfb_set_mode(video_adapter_t *adp, int mode) 547 { 548 return (0); 549 } 550 551 static int 552 bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 553 u_char *data, int c, int count) 554 { 555 return (0); 556 } 557 558 static int 559 bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 560 u_char *data, int c, int count) 561 { 562 struct bcmsc_softc *sc; 563 564 sc = (struct bcmsc_softc *)adp; 565 sc->font = data; 566 567 return (0); 568 } 569 570 static int 571 bcmfb_show_font(video_adapter_t *adp, int page) 572 { 573 return (0); 574 } 575 576 static int 577 bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 578 { 579 return (0); 580 } 581 582 static int 583 bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 584 { 585 return (0); 586 } 587 588 static int 589 bcmfb_set_border(video_adapter_t *adp, int border) 590 { 591 return (bcmfb_blank_display(adp, border)); 592 } 593 594 static int 595 bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 596 { 597 return (0); 598 } 599 600 static int 601 bcmfb_load_state(video_adapter_t *adp, void *p) 602 { 603 return (0); 604 } 605 606 static int 607 bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 608 { 609 return (0); 610 } 611 612 static int 613 bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 614 { 615 *col = *row = 0; 616 617 return (0); 618 } 619 620 static int 621 bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 622 { 623 return (0); 624 } 625 626 static int 627 bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 628 int celsize, int blink) 629 { 630 return (0); 631 } 632 633 static int 634 bcmfb_blank_display(video_adapter_t *adp, int mode) 635 { 636 637 struct bcmsc_softc *sc; 638 639 sc = (struct bcmsc_softc *)adp; 640 if (sc && sc->fb_addr) 641 memset((void*)sc->fb_addr, 0, sc->fb_size); 642 643 return (0); 644 } 645 646 static int 647 bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 648 int prot, vm_memattr_t *memattr) 649 { 650 struct bcmsc_softc *sc; 651 652 sc = (struct bcmsc_softc *)adp; 653 654 /* 655 * This might be a legacy VGA mem request: if so, just point it at the 656 * framebuffer, since it shouldn't be touched 657 */ 658 if (offset < sc->stride*sc->height) { 659 *paddr = sc->fb_paddr + offset; 660 return (0); 661 } 662 663 return (EINVAL); 664 } 665 666 static int 667 bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 668 { 669 struct bcmsc_softc *sc; 670 struct fbtype *fb; 671 672 sc = (struct bcmsc_softc *)adp; 673 674 switch (cmd) { 675 case FBIOGTYPE: 676 fb = (struct fbtype *)data; 677 fb->fb_type = FBTYPE_PCIMISC; 678 fb->fb_height = sc->height; 679 fb->fb_width = sc->width; 680 fb->fb_depth = sc->depth; 681 if (sc->depth <= 1 || sc->depth > 8) 682 fb->fb_cmsize = 0; 683 else 684 fb->fb_cmsize = 1 << sc->depth; 685 fb->fb_size = sc->fb_size; 686 break; 687 default: 688 return (fb_commonioctl(adp, cmd, data)); 689 } 690 691 return (0); 692 } 693 694 static int 695 bcmfb_clear(video_adapter_t *adp) 696 { 697 698 return (bcmfb_blank_display(adp, 0)); 699 } 700 701 static int 702 bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 703 { 704 705 return (0); 706 } 707 708 static int 709 bcmfb_bitblt(video_adapter_t *adp, ...) 710 { 711 712 return (0); 713 } 714 715 static int 716 bcmfb_diag(video_adapter_t *adp, int level) 717 { 718 719 return (0); 720 } 721 722 static int 723 bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 724 { 725 726 return (0); 727 } 728 729 static int 730 bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 731 { 732 733 return (0); 734 } 735 736 static int 737 bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 738 { 739 740 return (0); 741 } 742 743 static int 744 bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 745 int size, int bpp, int bit_ltor, int byte_ltor) 746 { 747 748 return (0); 749 } 750 751 static int 752 bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 753 { 754 int bytes, col, i, j, k, row; 755 struct bcmsc_softc *sc; 756 u_char *p; 757 uint8_t *addr, fg, bg, color; 758 uint16_t rgb; 759 760 sc = (struct bcmsc_softc *)adp; 761 762 if (sc->fb_addr == 0) 763 return (0); 764 765 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 766 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 767 p = sc->font + c*BCMFB_FONT_HEIGHT; 768 addr = (uint8_t *)sc->fb_addr 769 + (row + sc->ymargin)*(sc->stride) 770 + (sc->depth/8) * (col + sc->xmargin); 771 772 fg = a & 0xf ; 773 bg = (a >> 4) & 0xf; 774 775 bytes = sc->depth / 8; 776 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 777 for (j = 0, k = 7; j < 8; j++, k--) { 778 if ((p[i] & (1 << k)) == 0) 779 color = bg; 780 else 781 color = fg; 782 783 switch (sc->depth) { 784 case 32: 785 case 24: 786 if (sc->fbswap) { 787 addr[bytes * j + 0] = 788 bcmfb_palette[color].b; 789 addr[bytes * j + 1] = 790 bcmfb_palette[color].g; 791 addr[bytes * j + 2] = 792 bcmfb_palette[color].r; 793 } else { 794 addr[bytes * j + 0] = 795 bcmfb_palette[color].r; 796 addr[bytes * j + 1] = 797 bcmfb_palette[color].g; 798 addr[bytes * j + 2] = 799 bcmfb_palette[color].b; 800 } 801 if (sc->depth == 32) 802 addr[bytes * j + 3] = 803 bcmfb_palette[color].a; 804 break; 805 case 16: 806 rgb = (bcmfb_palette[color].r >> 3) << 11; 807 rgb |= (bcmfb_palette[color].g >> 2) << 5; 808 rgb |= (bcmfb_palette[color].b >> 3); 809 addr[bytes * j] = rgb & 0xff; 810 addr[bytes * j + 1] = (rgb >> 8) & 0xff; 811 default: 812 /* Not supported yet */ 813 break; 814 } 815 } 816 817 addr += (sc->stride); 818 } 819 820 return (0); 821 } 822 823 static int 824 bcmfb_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 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 830 831 return (0); 832 } 833 834 static int 835 bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 836 uint32_t pixel_mask, int size, int width) 837 { 838 839 return (0); 840 } 841 842 /* 843 * Define a stub keyboard driver in case one hasn't been 844 * compiled into the kernel 845 */ 846 #include <sys/kbio.h> 847 #include <dev/kbd/kbdreg.h> 848 849 static int dummy_kbd_configure(int flags); 850 851 keyboard_switch_t bcmdummysw; 852 853 static int 854 dummy_kbd_configure(int flags) 855 { 856 857 return (0); 858 } 859 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); 860