1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 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/ofw/ofw_bus.h> 45 #include <dev/ofw/ofw_bus_subr.h> 46 #include <dev/syscons/syscons.h> 47 48 #include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h> 49 50 #include "mbox_if.h" 51 52 struct argb { 53 uint8_t a; 54 uint8_t r; 55 uint8_t g; 56 uint8_t b; 57 }; 58 59 static struct argb bcmfb_palette[16] = { 60 {0x00, 0x00, 0x00, 0x00}, 61 {0x00, 0x00, 0x00, 0xaa}, 62 {0x00, 0x00, 0xaa, 0x00}, 63 {0x00, 0x00, 0xaa, 0xaa}, 64 {0x00, 0xaa, 0x00, 0x00}, 65 {0x00, 0xaa, 0x00, 0xaa}, 66 {0x00, 0xaa, 0x55, 0x00}, 67 {0x00, 0xaa, 0xaa, 0xaa}, 68 {0x00, 0x55, 0x55, 0x55}, 69 {0x00, 0x55, 0x55, 0xff}, 70 {0x00, 0x55, 0xff, 0x55}, 71 {0x00, 0x55, 0xff, 0xff}, 72 {0x00, 0xff, 0x55, 0x55}, 73 {0x00, 0xff, 0x55, 0xff}, 74 {0x00, 0xff, 0xff, 0x55}, 75 {0x00, 0xff, 0xff, 0xff} 76 }; 77 78 /* mouse pointer from dev/syscons/scgfbrndr.c */ 79 static u_char mouse_pointer[16] = { 80 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 81 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 82 }; 83 84 #define BCMFB_FONT_HEIGHT 16 85 #define BCMFB_FONT_WIDTH 8 86 #define FB_WIDTH 640 87 #define FB_HEIGHT 480 88 #define FB_DEPTH 24 89 90 struct bcmsc_softc { 91 /* Videoadpater part */ 92 video_adapter_t va; 93 94 intptr_t fb_addr; 95 intptr_t fb_paddr; 96 unsigned int fb_size; 97 98 unsigned int height; 99 unsigned int width; 100 unsigned int depth; 101 unsigned int stride; 102 103 unsigned int xmargin; 104 unsigned int ymargin; 105 106 unsigned char *font; 107 int fbswap; 108 int initialized; 109 }; 110 111 static struct bcmsc_softc bcmsc; 112 113 static struct ofw_compat_data compat_data[] = { 114 {"broadcom,bcm2835-fb", 1}, 115 {"brcm,bcm2708-fb", 1}, 116 {NULL, 0} 117 }; 118 119 static int bcm_fb_probe(device_t); 120 static int bcm_fb_attach(device_t); 121 static void bcmfb_update_margins(video_adapter_t *adp); 122 static int bcmfb_configure(int); 123 124 static int 125 bcm_fb_probe(device_t dev) 126 { 127 int error; 128 129 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) 130 return (ENXIO); 131 132 device_set_desc(dev, "BCM2835 framebuffer device"); 133 error = sc_probe_unit(device_get_unit(dev), 134 device_get_flags(dev) | SC_AUTODETECT_KBD); 135 if (error != 0) 136 return (error); 137 138 return (BUS_PROBE_DEFAULT); 139 } 140 141 static int 142 bcm_fb_attach(device_t dev) 143 { 144 struct bcm2835_fb_config fb; 145 struct bcmsc_softc *sc; 146 147 sc = (struct bcmsc_softc *)vid_get_adapter(vid_find_adapter( 148 "bcmfb", 0)); 149 if (sc != NULL) 150 device_set_softc(dev, sc); 151 else 152 sc = device_get_softc(dev); 153 154 memset(&fb, 0, sizeof(fb)); 155 if (bcm2835_mbox_fb_get_w_h(&fb) != 0) 156 return (ENXIO); 157 fb.bpp = FB_DEPTH; 158 fb.vxres = fb.xres; 159 fb.vyres = fb.yres; 160 fb.xoffset = fb.yoffset = 0; 161 if (bcm2835_mbox_fb_init(&fb) != 0) 162 return (ENXIO); 163 164 sc->fb_addr = (intptr_t)pmap_mapdev(fb.base, fb.size); 165 sc->fb_paddr = fb.base; 166 sc->fb_size = fb.size; 167 sc->depth = fb.bpp; 168 sc->stride = fb.pitch; 169 sc->width = fb.xres; 170 sc->height = fb.yres; 171 bcmfb_update_margins(&sc->va); 172 173 if (sc_attach_unit(device_get_unit(dev), 174 device_get_flags(dev) | SC_AUTODETECT_KBD) != 0) { 175 device_printf(dev, "failed to attach syscons\n"); 176 return (ENXIO); 177 } 178 179 device_printf(dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", fb.xres, fb.yres, 180 fb.vxres, fb.vyres, fb.xoffset, fb.yoffset, fb.bpp); 181 device_printf(dev, 182 "fbswap: %d, pitch %d, base 0x%08x, screen_size %d\n", 183 sc->fbswap, fb.pitch, fb.base, fb.size); 184 185 return (0); 186 } 187 188 static device_method_t bcm_fb_methods[] = { 189 /* Device interface */ 190 DEVMETHOD(device_probe, bcm_fb_probe), 191 DEVMETHOD(device_attach, bcm_fb_attach), 192 { 0, 0 } 193 }; 194 195 static driver_t bcm_fb_driver = { 196 "fb", 197 bcm_fb_methods, 198 sizeof(struct bcmsc_softc), 199 }; 200 201 DRIVER_MODULE(bcm2835fb, ofwbus, bcm_fb_driver, 0, 0); 202 DRIVER_MODULE(bcm2835fb, simplebus, bcm_fb_driver, 0, 0); 203 204 /* 205 * Video driver routines and glue. 206 */ 207 static vi_probe_t bcmfb_probe; 208 static vi_init_t bcmfb_init; 209 static vi_get_info_t bcmfb_get_info; 210 static vi_query_mode_t bcmfb_query_mode; 211 static vi_set_mode_t bcmfb_set_mode; 212 static vi_save_font_t bcmfb_save_font; 213 static vi_load_font_t bcmfb_load_font; 214 static vi_show_font_t bcmfb_show_font; 215 static vi_save_palette_t bcmfb_save_palette; 216 static vi_load_palette_t bcmfb_load_palette; 217 static vi_set_border_t bcmfb_set_border; 218 static vi_save_state_t bcmfb_save_state; 219 static vi_load_state_t bcmfb_load_state; 220 static vi_set_win_org_t bcmfb_set_win_org; 221 static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 222 static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 223 static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 224 static vi_blank_display_t bcmfb_blank_display; 225 static vi_mmap_t bcmfb_mmap; 226 static vi_ioctl_t bcmfb_ioctl; 227 static vi_clear_t bcmfb_clear; 228 static vi_fill_rect_t bcmfb_fill_rect; 229 static vi_bitblt_t bcmfb_bitblt; 230 static vi_diag_t bcmfb_diag; 231 static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 232 static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 233 static vi_copy_t bcmfb_copy; 234 static vi_putp_t bcmfb_putp; 235 static vi_putc_t bcmfb_putc; 236 static vi_puts_t bcmfb_puts; 237 static vi_putm_t bcmfb_putm; 238 239 static video_switch_t bcmfbvidsw = { 240 .probe = bcmfb_probe, 241 .init = bcmfb_init, 242 .get_info = bcmfb_get_info, 243 .query_mode = bcmfb_query_mode, 244 .set_mode = bcmfb_set_mode, 245 .save_font = bcmfb_save_font, 246 .load_font = bcmfb_load_font, 247 .show_font = bcmfb_show_font, 248 .save_palette = bcmfb_save_palette, 249 .load_palette = bcmfb_load_palette, 250 .set_border = bcmfb_set_border, 251 .save_state = bcmfb_save_state, 252 .load_state = bcmfb_load_state, 253 .set_win_org = bcmfb_set_win_org, 254 .read_hw_cursor = bcmfb_read_hw_cursor, 255 .set_hw_cursor = bcmfb_set_hw_cursor, 256 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 257 .blank_display = bcmfb_blank_display, 258 .mmap = bcmfb_mmap, 259 .ioctl = bcmfb_ioctl, 260 .clear = bcmfb_clear, 261 .fill_rect = bcmfb_fill_rect, 262 .bitblt = bcmfb_bitblt, 263 .diag = bcmfb_diag, 264 .save_cursor_palette = bcmfb_save_cursor_palette, 265 .load_cursor_palette = bcmfb_load_cursor_palette, 266 .copy = bcmfb_copy, 267 .putp = bcmfb_putp, 268 .putc = bcmfb_putc, 269 .puts = bcmfb_puts, 270 .putm = bcmfb_putm, 271 }; 272 273 VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 274 275 static vr_init_t bcmrend_init; 276 static vr_clear_t bcmrend_clear; 277 static vr_draw_border_t bcmrend_draw_border; 278 static vr_draw_t bcmrend_draw; 279 static vr_set_cursor_t bcmrend_set_cursor; 280 static vr_draw_cursor_t bcmrend_draw_cursor; 281 static vr_blink_cursor_t bcmrend_blink_cursor; 282 static vr_set_mouse_t bcmrend_set_mouse; 283 static vr_draw_mouse_t bcmrend_draw_mouse; 284 285 /* 286 * We use our own renderer; this is because we must emulate a hardware 287 * cursor. 288 */ 289 static sc_rndr_sw_t bcmrend = { 290 bcmrend_init, 291 bcmrend_clear, 292 bcmrend_draw_border, 293 bcmrend_draw, 294 bcmrend_set_cursor, 295 bcmrend_draw_cursor, 296 bcmrend_blink_cursor, 297 bcmrend_set_mouse, 298 bcmrend_draw_mouse 299 }; 300 301 RENDERER(bcmfb, 0, bcmrend, gfb_set); 302 RENDERER_MODULE(bcmfb, gfb_set); 303 304 static void 305 bcmrend_init(scr_stat* scp) 306 { 307 } 308 309 static void 310 bcmrend_clear(scr_stat* scp, int c, int attr) 311 { 312 } 313 314 static void 315 bcmrend_draw_border(scr_stat* scp, int color) 316 { 317 } 318 319 static void 320 bcmrend_draw(scr_stat* scp, int from, int count, int flip) 321 { 322 video_adapter_t* adp = scp->sc->adp; 323 int i, c, a; 324 325 if (!flip) { 326 /* Normal printing */ 327 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 328 } else { 329 /* This is for selections and such: invert the color attribute */ 330 for (i = count; i-- > 0; ++from) { 331 c = sc_vtb_getc(&scp->vtb, from); 332 a = sc_vtb_geta(&scp->vtb, from) >> 8; 333 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 334 } 335 } 336 } 337 338 static void 339 bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 340 { 341 } 342 343 static void 344 bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 345 { 346 int bytes, col, i, j, row; 347 struct bcmsc_softc *sc; 348 uint8_t *addr; 349 video_adapter_t *adp; 350 351 adp = scp->sc->adp; 352 sc = (struct bcmsc_softc *)adp; 353 354 if (scp->curs_attr.height <= 0) 355 return; 356 357 if (sc->fb_addr == 0) 358 return; 359 360 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 361 return; 362 363 /* calculate the coordinates in the video buffer */ 364 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 365 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 366 367 addr = (uint8_t *)sc->fb_addr 368 + (row + sc->ymargin)*(sc->stride) 369 + (sc->depth/8) * (col + sc->xmargin); 370 371 bytes = sc->depth / 8; 372 /* our cursor consists of simply inverting the char under it */ 373 for (i = 0; i < adp->va_info.vi_cheight; i++) { 374 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 375 switch (sc->depth) { 376 case 32: 377 case 24: 378 addr[bytes*j + 2] ^= 0xff; 379 /* FALLTHROUGH */ 380 case 16: 381 addr[bytes*j + 1] ^= 0xff; 382 addr[bytes*j] ^= 0xff; 383 break; 384 default: 385 break; 386 } 387 } 388 389 addr += sc->stride; 390 } 391 } 392 393 static void 394 bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 395 { 396 } 397 398 static void 399 bcmrend_set_mouse(scr_stat* scp) 400 { 401 } 402 403 static void 404 bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 405 { 406 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 407 } 408 409 static uint16_t bcmfb_static_window[ROW*COL]; 410 extern u_char dflt_font_16[]; 411 412 /* 413 * Update videoadapter settings after changing resolution 414 */ 415 static void 416 bcmfb_update_margins(video_adapter_t *adp) 417 { 418 struct bcmsc_softc *sc; 419 video_info_t *vi; 420 421 sc = (struct bcmsc_softc *)adp; 422 vi = &adp->va_info; 423 424 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 425 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 426 } 427 428 static int 429 bcmfb_configure(int flags) 430 { 431 char bootargs[2048], *n, *p, *v; 432 pcell_t cell; 433 phandle_t chosen, display, root; 434 struct bcmsc_softc *sc; 435 436 sc = &bcmsc; 437 if (sc->initialized) 438 return (0); 439 440 sc->width = 0; 441 sc->height = 0; 442 443 /* 444 * It seems there is no way to let syscons framework know 445 * that framebuffer resolution has changed. So just try 446 * to fetch data from FDT bootargs, FDT display data and 447 * finally go with defaults if everything else has failed. 448 */ 449 chosen = OF_finddevice("/chosen"); 450 if (chosen != -1 && 451 OF_getprop(chosen, "bootargs", &bootargs, sizeof(bootargs)) > 0) { 452 p = bootargs; 453 while ((v = strsep(&p, " ")) != NULL) { 454 if (*v == '\0') 455 continue; 456 n = strsep(&v, "="); 457 if (strcmp(n, "bcm2708_fb.fbwidth") == 0 && v != NULL) 458 sc->width = (unsigned int)strtol(v, NULL, 0); 459 else if (strcmp(n, "bcm2708_fb.fbheight") == 0 && 460 v != NULL) 461 sc->height = (unsigned int)strtol(v, NULL, 0); 462 else if (strcmp(n, "bcm2708_fb.fbswap") == 0 && 463 v != NULL) 464 if (*v == '1') 465 sc->fbswap = 1; 466 } 467 } 468 469 root = OF_finddevice("/"); 470 if ((root != -1) && 471 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 472 if (sc->width == 0) { 473 if ((OF_getencprop(display, "broadcom,width", 474 &cell, sizeof(cell))) > 0) 475 sc->width = cell; 476 } 477 478 if (sc->height == 0) { 479 if ((OF_getencprop(display, "broadcom,height", 480 &cell, sizeof(cell))) > 0) 481 sc->height = cell; 482 } 483 } 484 485 if (sc->width == 0) 486 sc->width = FB_WIDTH; 487 if (sc->height == 0) 488 sc->height = FB_HEIGHT; 489 490 bcmfb_init(0, &sc->va, 0); 491 sc->initialized = 1; 492 493 return (0); 494 } 495 496 static int 497 bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 498 { 499 500 return (0); 501 } 502 503 static int 504 bcmfb_init(int unit, video_adapter_t *adp, int flags) 505 { 506 struct bcmsc_softc *sc; 507 video_info_t *vi; 508 509 sc = (struct bcmsc_softc *)adp; 510 vi = &adp->va_info; 511 512 vid_init_struct(adp, "bcmfb", -1, unit); 513 514 sc->font = dflt_font_16; 515 vi->vi_cheight = BCMFB_FONT_HEIGHT; 516 vi->vi_cwidth = BCMFB_FONT_WIDTH; 517 vi->vi_width = sc->width / vi->vi_cwidth; 518 vi->vi_height = sc->height / vi->vi_cheight; 519 520 /* 521 * Clamp width/height to syscons maximums 522 */ 523 if (vi->vi_width > COL) 524 vi->vi_width = COL; 525 if (vi->vi_height > ROW) 526 vi->vi_height = ROW; 527 528 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 529 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 530 531 adp->va_window = (vm_offset_t) bcmfb_static_window; 532 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 533 534 vid_register(&sc->va); 535 536 return (0); 537 } 538 539 static int 540 bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 541 { 542 bcopy(&adp->va_info, info, sizeof(*info)); 543 return (0); 544 } 545 546 static int 547 bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 548 { 549 return (0); 550 } 551 552 static int 553 bcmfb_set_mode(video_adapter_t *adp, int mode) 554 { 555 return (0); 556 } 557 558 static int 559 bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 560 u_char *data, int c, int count) 561 { 562 return (0); 563 } 564 565 static int 566 bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 567 u_char *data, int c, int count) 568 { 569 struct bcmsc_softc *sc; 570 571 sc = (struct bcmsc_softc *)adp; 572 sc->font = data; 573 574 return (0); 575 } 576 577 static int 578 bcmfb_show_font(video_adapter_t *adp, int page) 579 { 580 return (0); 581 } 582 583 static int 584 bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 585 { 586 return (0); 587 } 588 589 static int 590 bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 591 { 592 return (0); 593 } 594 595 static int 596 bcmfb_set_border(video_adapter_t *adp, int border) 597 { 598 return (bcmfb_blank_display(adp, border)); 599 } 600 601 static int 602 bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 603 { 604 return (0); 605 } 606 607 static int 608 bcmfb_load_state(video_adapter_t *adp, void *p) 609 { 610 return (0); 611 } 612 613 static int 614 bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 615 { 616 return (0); 617 } 618 619 static int 620 bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 621 { 622 *col = *row = 0; 623 624 return (0); 625 } 626 627 static int 628 bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 629 { 630 return (0); 631 } 632 633 static int 634 bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 635 int celsize, int blink) 636 { 637 return (0); 638 } 639 640 static int 641 bcmfb_blank_display(video_adapter_t *adp, int mode) 642 { 643 644 struct bcmsc_softc *sc; 645 646 sc = (struct bcmsc_softc *)adp; 647 if (sc && sc->fb_addr) 648 memset((void*)sc->fb_addr, 0, sc->fb_size); 649 650 return (0); 651 } 652 653 static int 654 bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 655 int prot, vm_memattr_t *memattr) 656 { 657 struct bcmsc_softc *sc; 658 659 sc = (struct bcmsc_softc *)adp; 660 661 /* 662 * This might be a legacy VGA mem request: if so, just point it at the 663 * framebuffer, since it shouldn't be touched 664 */ 665 if (offset < sc->stride*sc->height) { 666 *paddr = sc->fb_paddr + offset; 667 return (0); 668 } 669 670 return (EINVAL); 671 } 672 673 static int 674 bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 675 { 676 struct bcmsc_softc *sc; 677 struct fbtype *fb; 678 679 sc = (struct bcmsc_softc *)adp; 680 681 switch (cmd) { 682 case FBIOGTYPE: 683 fb = (struct fbtype *)data; 684 fb->fb_type = FBTYPE_PCIMISC; 685 fb->fb_height = sc->height; 686 fb->fb_width = sc->width; 687 fb->fb_depth = sc->depth; 688 if (sc->depth <= 1 || sc->depth > 8) 689 fb->fb_cmsize = 0; 690 else 691 fb->fb_cmsize = 1 << sc->depth; 692 fb->fb_size = sc->fb_size; 693 break; 694 default: 695 return (fb_commonioctl(adp, cmd, data)); 696 } 697 698 return (0); 699 } 700 701 static int 702 bcmfb_clear(video_adapter_t *adp) 703 { 704 705 return (bcmfb_blank_display(adp, 0)); 706 } 707 708 static int 709 bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 710 { 711 712 return (0); 713 } 714 715 static int 716 bcmfb_bitblt(video_adapter_t *adp, ...) 717 { 718 719 return (0); 720 } 721 722 static int 723 bcmfb_diag(video_adapter_t *adp, int level) 724 { 725 726 return (0); 727 } 728 729 static int 730 bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 731 { 732 733 return (0); 734 } 735 736 static int 737 bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 738 { 739 740 return (0); 741 } 742 743 static int 744 bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 745 { 746 747 return (0); 748 } 749 750 static int 751 bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 752 int size, int bpp, int bit_ltor, int byte_ltor) 753 { 754 755 return (0); 756 } 757 758 static int 759 bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 760 { 761 int bytes, col, i, j, k, row; 762 struct bcmsc_softc *sc; 763 u_char *p; 764 uint8_t *addr, fg, bg, color; 765 uint16_t rgb; 766 767 sc = (struct bcmsc_softc *)adp; 768 769 if (sc->fb_addr == 0) 770 return (0); 771 772 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 773 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 774 p = sc->font + c*BCMFB_FONT_HEIGHT; 775 addr = (uint8_t *)sc->fb_addr 776 + (row + sc->ymargin)*(sc->stride) 777 + (sc->depth/8) * (col + sc->xmargin); 778 779 fg = a & 0xf ; 780 bg = (a >> 4) & 0xf; 781 782 bytes = sc->depth / 8; 783 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 784 for (j = 0, k = 7; j < 8; j++, k--) { 785 if ((p[i] & (1 << k)) == 0) 786 color = bg; 787 else 788 color = fg; 789 790 switch (sc->depth) { 791 case 32: 792 case 24: 793 if (sc->fbswap) { 794 addr[bytes * j + 0] = 795 bcmfb_palette[color].b; 796 addr[bytes * j + 1] = 797 bcmfb_palette[color].g; 798 addr[bytes * j + 2] = 799 bcmfb_palette[color].r; 800 } else { 801 addr[bytes * j + 0] = 802 bcmfb_palette[color].r; 803 addr[bytes * j + 1] = 804 bcmfb_palette[color].g; 805 addr[bytes * j + 2] = 806 bcmfb_palette[color].b; 807 } 808 if (sc->depth == 32) 809 addr[bytes * j + 3] = 810 bcmfb_palette[color].a; 811 break; 812 case 16: 813 rgb = (bcmfb_palette[color].r >> 3) << 11; 814 rgb |= (bcmfb_palette[color].g >> 2) << 5; 815 rgb |= (bcmfb_palette[color].b >> 3); 816 addr[bytes * j] = rgb & 0xff; 817 addr[bytes * j + 1] = (rgb >> 8) & 0xff; 818 default: 819 /* Not supported yet */ 820 break; 821 } 822 } 823 824 addr += (sc->stride); 825 } 826 827 return (0); 828 } 829 830 static int 831 bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 832 { 833 int i; 834 835 for (i = 0; i < len; i++) 836 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 837 838 return (0); 839 } 840 841 static int 842 bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 843 uint32_t pixel_mask, int size, int width) 844 { 845 846 return (0); 847 } 848