1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/bus.h> 35 #include <sys/consio.h> 36 #include <sys/fbio.h> 37 #include <sys/kdb.h> 38 #include <sys/kernel.h> 39 #include <sys/malloc.h> 40 #include <sys/module.h> 41 42 #include <vm/vm.h> 43 #include <vm/pmap.h> 44 45 #include <dev/fb/fbreg.h> 46 #include <dev/ofw/ofw_bus.h> 47 #include <dev/ofw/ofw_bus_subr.h> 48 #include <dev/syscons/syscons.h> 49 50 #include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h> 51 52 #include "mbox_if.h" 53 54 struct argb { 55 uint8_t a; 56 uint8_t r; 57 uint8_t g; 58 uint8_t b; 59 }; 60 61 static struct argb bcmfb_palette[16] = { 62 {0x00, 0x00, 0x00, 0x00}, 63 {0x00, 0x00, 0x00, 0xaa}, 64 {0x00, 0x00, 0xaa, 0x00}, 65 {0x00, 0x00, 0xaa, 0xaa}, 66 {0x00, 0xaa, 0x00, 0x00}, 67 {0x00, 0xaa, 0x00, 0xaa}, 68 {0x00, 0xaa, 0x55, 0x00}, 69 {0x00, 0xaa, 0xaa, 0xaa}, 70 {0x00, 0x55, 0x55, 0x55}, 71 {0x00, 0x55, 0x55, 0xff}, 72 {0x00, 0x55, 0xff, 0x55}, 73 {0x00, 0x55, 0xff, 0xff}, 74 {0x00, 0xff, 0x55, 0x55}, 75 {0x00, 0xff, 0x55, 0xff}, 76 {0x00, 0xff, 0xff, 0x55}, 77 {0x00, 0xff, 0xff, 0xff} 78 }; 79 80 /* mouse pointer from dev/syscons/scgfbrndr.c */ 81 static u_char mouse_pointer[16] = { 82 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 83 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 84 }; 85 86 #define BCMFB_FONT_HEIGHT 16 87 #define BCMFB_FONT_WIDTH 8 88 #define FB_WIDTH 640 89 #define FB_HEIGHT 480 90 #define FB_DEPTH 24 91 92 struct bcmsc_softc { 93 /* Videoadpater part */ 94 video_adapter_t va; 95 96 intptr_t fb_addr; 97 intptr_t fb_paddr; 98 unsigned int fb_size; 99 100 unsigned int height; 101 unsigned int width; 102 unsigned int depth; 103 unsigned int stride; 104 105 unsigned int xmargin; 106 unsigned int ymargin; 107 108 unsigned char *font; 109 int fbswap; 110 int initialized; 111 }; 112 113 static struct bcmsc_softc bcmsc; 114 115 static struct ofw_compat_data compat_data[] = { 116 {"broadcom,bcm2835-fb", 1}, 117 {"brcm,bcm2708-fb", 1}, 118 {NULL, 0} 119 }; 120 121 static int bcm_fb_probe(device_t); 122 static int bcm_fb_attach(device_t); 123 static void bcmfb_update_margins(video_adapter_t *adp); 124 static int bcmfb_configure(int); 125 126 static int 127 bcm_fb_probe(device_t dev) 128 { 129 int error; 130 131 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) 132 return (ENXIO); 133 134 device_set_desc(dev, "BCM2835 framebuffer device"); 135 error = sc_probe_unit(device_get_unit(dev), 136 device_get_flags(dev) | SC_AUTODETECT_KBD); 137 if (error != 0) 138 return (error); 139 140 return (BUS_PROBE_DEFAULT); 141 } 142 143 static int 144 bcm_fb_attach(device_t dev) 145 { 146 struct bcm2835_fb_config fb; 147 struct bcmsc_softc *sc; 148 149 sc = (struct bcmsc_softc *)vid_get_adapter(vid_find_adapter( 150 "bcmfb", 0)); 151 if (sc != NULL) 152 device_set_softc(dev, sc); 153 else 154 sc = device_get_softc(dev); 155 156 memset(&fb, 0, sizeof(fb)); 157 if (bcm2835_mbox_fb_get_w_h(&fb) != 0) 158 return (ENXIO); 159 fb.bpp = FB_DEPTH; 160 fb.vxres = fb.xres; 161 fb.vyres = fb.yres; 162 fb.xoffset = fb.yoffset = 0; 163 if (bcm2835_mbox_fb_init(&fb) != 0) 164 return (ENXIO); 165 166 sc->fb_addr = (intptr_t)pmap_mapdev(fb.base, fb.size); 167 sc->fb_paddr = fb.base; 168 sc->fb_size = fb.size; 169 sc->depth = fb.bpp; 170 sc->stride = fb.pitch; 171 sc->width = fb.xres; 172 sc->height = fb.yres; 173 bcmfb_update_margins(&sc->va); 174 175 if (sc_attach_unit(device_get_unit(dev), 176 device_get_flags(dev) | SC_AUTODETECT_KBD) != 0) { 177 device_printf(dev, "failed to attach syscons\n"); 178 return (ENXIO); 179 } 180 181 device_printf(dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", fb.xres, fb.yres, 182 fb.vxres, fb.vyres, fb.xoffset, fb.yoffset, fb.bpp); 183 device_printf(dev, 184 "fbswap: %d, pitch %d, base 0x%08x, screen_size %d\n", 185 sc->fbswap, fb.pitch, fb.base, fb.size); 186 187 return (0); 188 } 189 190 static device_method_t bcm_fb_methods[] = { 191 /* Device interface */ 192 DEVMETHOD(device_probe, bcm_fb_probe), 193 DEVMETHOD(device_attach, bcm_fb_attach), 194 195 { 0, 0 } 196 }; 197 198 static devclass_t bcm_fb_devclass; 199 200 static driver_t bcm_fb_driver = { 201 "fb", 202 bcm_fb_methods, 203 sizeof(struct bcmsc_softc), 204 }; 205 206 DRIVER_MODULE(bcm2835fb, ofwbus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 207 DRIVER_MODULE(bcm2835fb, simplebus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 208 209 /* 210 * Video driver routines and glue. 211 */ 212 static vi_probe_t bcmfb_probe; 213 static vi_init_t bcmfb_init; 214 static vi_get_info_t bcmfb_get_info; 215 static vi_query_mode_t bcmfb_query_mode; 216 static vi_set_mode_t bcmfb_set_mode; 217 static vi_save_font_t bcmfb_save_font; 218 static vi_load_font_t bcmfb_load_font; 219 static vi_show_font_t bcmfb_show_font; 220 static vi_save_palette_t bcmfb_save_palette; 221 static vi_load_palette_t bcmfb_load_palette; 222 static vi_set_border_t bcmfb_set_border; 223 static vi_save_state_t bcmfb_save_state; 224 static vi_load_state_t bcmfb_load_state; 225 static vi_set_win_org_t bcmfb_set_win_org; 226 static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 227 static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 228 static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 229 static vi_blank_display_t bcmfb_blank_display; 230 static vi_mmap_t bcmfb_mmap; 231 static vi_ioctl_t bcmfb_ioctl; 232 static vi_clear_t bcmfb_clear; 233 static vi_fill_rect_t bcmfb_fill_rect; 234 static vi_bitblt_t bcmfb_bitblt; 235 static vi_diag_t bcmfb_diag; 236 static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 237 static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 238 static vi_copy_t bcmfb_copy; 239 static vi_putp_t bcmfb_putp; 240 static vi_putc_t bcmfb_putc; 241 static vi_puts_t bcmfb_puts; 242 static vi_putm_t bcmfb_putm; 243 244 static video_switch_t bcmfbvidsw = { 245 .probe = bcmfb_probe, 246 .init = bcmfb_init, 247 .get_info = bcmfb_get_info, 248 .query_mode = bcmfb_query_mode, 249 .set_mode = bcmfb_set_mode, 250 .save_font = bcmfb_save_font, 251 .load_font = bcmfb_load_font, 252 .show_font = bcmfb_show_font, 253 .save_palette = bcmfb_save_palette, 254 .load_palette = bcmfb_load_palette, 255 .set_border = bcmfb_set_border, 256 .save_state = bcmfb_save_state, 257 .load_state = bcmfb_load_state, 258 .set_win_org = bcmfb_set_win_org, 259 .read_hw_cursor = bcmfb_read_hw_cursor, 260 .set_hw_cursor = bcmfb_set_hw_cursor, 261 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 262 .blank_display = bcmfb_blank_display, 263 .mmap = bcmfb_mmap, 264 .ioctl = bcmfb_ioctl, 265 .clear = bcmfb_clear, 266 .fill_rect = bcmfb_fill_rect, 267 .bitblt = bcmfb_bitblt, 268 .diag = bcmfb_diag, 269 .save_cursor_palette = bcmfb_save_cursor_palette, 270 .load_cursor_palette = bcmfb_load_cursor_palette, 271 .copy = bcmfb_copy, 272 .putp = bcmfb_putp, 273 .putc = bcmfb_putc, 274 .puts = bcmfb_puts, 275 .putm = bcmfb_putm, 276 }; 277 278 VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 279 280 static vr_init_t bcmrend_init; 281 static vr_clear_t bcmrend_clear; 282 static vr_draw_border_t bcmrend_draw_border; 283 static vr_draw_t bcmrend_draw; 284 static vr_set_cursor_t bcmrend_set_cursor; 285 static vr_draw_cursor_t bcmrend_draw_cursor; 286 static vr_blink_cursor_t bcmrend_blink_cursor; 287 static vr_set_mouse_t bcmrend_set_mouse; 288 static vr_draw_mouse_t bcmrend_draw_mouse; 289 290 /* 291 * We use our own renderer; this is because we must emulate a hardware 292 * cursor. 293 */ 294 static sc_rndr_sw_t bcmrend = { 295 bcmrend_init, 296 bcmrend_clear, 297 bcmrend_draw_border, 298 bcmrend_draw, 299 bcmrend_set_cursor, 300 bcmrend_draw_cursor, 301 bcmrend_blink_cursor, 302 bcmrend_set_mouse, 303 bcmrend_draw_mouse 304 }; 305 306 RENDERER(bcmfb, 0, bcmrend, gfb_set); 307 RENDERER_MODULE(bcmfb, gfb_set); 308 309 static void 310 bcmrend_init(scr_stat* scp) 311 { 312 } 313 314 static void 315 bcmrend_clear(scr_stat* scp, int c, int attr) 316 { 317 } 318 319 static void 320 bcmrend_draw_border(scr_stat* scp, int color) 321 { 322 } 323 324 static void 325 bcmrend_draw(scr_stat* scp, int from, int count, int flip) 326 { 327 video_adapter_t* adp = scp->sc->adp; 328 int i, c, a; 329 330 if (!flip) { 331 /* Normal printing */ 332 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 333 } else { 334 /* This is for selections and such: invert the color attribute */ 335 for (i = count; i-- > 0; ++from) { 336 c = sc_vtb_getc(&scp->vtb, from); 337 a = sc_vtb_geta(&scp->vtb, from) >> 8; 338 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 339 } 340 } 341 } 342 343 static void 344 bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 345 { 346 } 347 348 static void 349 bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 350 { 351 int bytes, col, i, j, row; 352 struct bcmsc_softc *sc; 353 uint8_t *addr; 354 video_adapter_t *adp; 355 356 adp = scp->sc->adp; 357 sc = (struct bcmsc_softc *)adp; 358 359 if (scp->curs_attr.height <= 0) 360 return; 361 362 if (sc->fb_addr == 0) 363 return; 364 365 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 366 return; 367 368 /* calculate the coordinates in the video buffer */ 369 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 370 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 371 372 addr = (uint8_t *)sc->fb_addr 373 + (row + sc->ymargin)*(sc->stride) 374 + (sc->depth/8) * (col + sc->xmargin); 375 376 bytes = sc->depth / 8; 377 /* our cursor consists of simply inverting the char under it */ 378 for (i = 0; i < adp->va_info.vi_cheight; i++) { 379 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 380 switch (sc->depth) { 381 case 32: 382 case 24: 383 addr[bytes*j + 2] ^= 0xff; 384 /* FALLTHROUGH */ 385 case 16: 386 addr[bytes*j + 1] ^= 0xff; 387 addr[bytes*j] ^= 0xff; 388 break; 389 default: 390 break; 391 } 392 } 393 394 addr += sc->stride; 395 } 396 } 397 398 static void 399 bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 400 { 401 } 402 403 static void 404 bcmrend_set_mouse(scr_stat* scp) 405 { 406 } 407 408 static void 409 bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 410 { 411 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 412 } 413 414 static uint16_t bcmfb_static_window[ROW*COL]; 415 extern u_char dflt_font_16[]; 416 417 /* 418 * Update videoadapter settings after changing resolution 419 */ 420 static void 421 bcmfb_update_margins(video_adapter_t *adp) 422 { 423 struct bcmsc_softc *sc; 424 video_info_t *vi; 425 426 sc = (struct bcmsc_softc *)adp; 427 vi = &adp->va_info; 428 429 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 430 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 431 } 432 433 static int 434 bcmfb_configure(int flags) 435 { 436 char bootargs[2048], *n, *p, *v; 437 pcell_t cell; 438 phandle_t chosen, display, root; 439 struct bcmsc_softc *sc; 440 441 sc = &bcmsc; 442 if (sc->initialized) 443 return (0); 444 445 sc->width = 0; 446 sc->height = 0; 447 448 /* 449 * It seems there is no way to let syscons framework know 450 * that framebuffer resolution has changed. So just try 451 * to fetch data from FDT bootargs, FDT display data and 452 * finally go with defaults if everything else has failed. 453 */ 454 chosen = OF_finddevice("/chosen"); 455 if (chosen != 0 && 456 OF_getprop(chosen, "bootargs", &bootargs, sizeof(bootargs)) > 0) { 457 p = bootargs; 458 while ((v = strsep(&p, " ")) != NULL) { 459 if (*v == '\0') 460 continue; 461 n = strsep(&v, "="); 462 if (strcmp(n, "bcm2708_fb.fbwidth") == 0 && v != NULL) 463 sc->width = (unsigned int)strtol(v, NULL, 0); 464 else if (strcmp(n, "bcm2708_fb.fbheight") == 0 && 465 v != NULL) 466 sc->height = (unsigned int)strtol(v, NULL, 0); 467 else if (strcmp(n, "bcm2708_fb.fbswap") == 0 && 468 v != NULL) 469 if (*v == '1') 470 sc->fbswap = 1; 471 } 472 } 473 474 root = OF_finddevice("/"); 475 if ((root != 0) && 476 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 477 if (sc->width == 0) { 478 if ((OF_getencprop(display, "broadcom,width", 479 &cell, sizeof(cell))) > 0) 480 sc->width = cell; 481 } 482 483 if (sc->height == 0) { 484 if ((OF_getencprop(display, "broadcom,height", 485 &cell, sizeof(cell))) > 0) 486 sc->height = cell; 487 } 488 } 489 490 if (sc->width == 0) 491 sc->width = FB_WIDTH; 492 if (sc->height == 0) 493 sc->height = FB_HEIGHT; 494 495 bcmfb_init(0, &sc->va, 0); 496 sc->initialized = 1; 497 498 return (0); 499 } 500 501 static int 502 bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 503 { 504 505 return (0); 506 } 507 508 static int 509 bcmfb_init(int unit, video_adapter_t *adp, int flags) 510 { 511 struct bcmsc_softc *sc; 512 video_info_t *vi; 513 514 sc = (struct bcmsc_softc *)adp; 515 vi = &adp->va_info; 516 517 vid_init_struct(adp, "bcmfb", -1, unit); 518 519 sc->font = dflt_font_16; 520 vi->vi_cheight = BCMFB_FONT_HEIGHT; 521 vi->vi_cwidth = BCMFB_FONT_WIDTH; 522 vi->vi_width = sc->width / vi->vi_cwidth; 523 vi->vi_height = sc->height / vi->vi_cheight; 524 525 /* 526 * Clamp width/height to syscons maximums 527 */ 528 if (vi->vi_width > COL) 529 vi->vi_width = COL; 530 if (vi->vi_height > ROW) 531 vi->vi_height = ROW; 532 533 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 534 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 535 536 adp->va_window = (vm_offset_t) bcmfb_static_window; 537 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 538 539 vid_register(&sc->va); 540 541 return (0); 542 } 543 544 static int 545 bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 546 { 547 bcopy(&adp->va_info, info, sizeof(*info)); 548 return (0); 549 } 550 551 static int 552 bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 553 { 554 return (0); 555 } 556 557 static int 558 bcmfb_set_mode(video_adapter_t *adp, int mode) 559 { 560 return (0); 561 } 562 563 static int 564 bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 565 u_char *data, int c, int count) 566 { 567 return (0); 568 } 569 570 static int 571 bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 572 u_char *data, int c, int count) 573 { 574 struct bcmsc_softc *sc; 575 576 sc = (struct bcmsc_softc *)adp; 577 sc->font = data; 578 579 return (0); 580 } 581 582 static int 583 bcmfb_show_font(video_adapter_t *adp, int page) 584 { 585 return (0); 586 } 587 588 static int 589 bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 590 { 591 return (0); 592 } 593 594 static int 595 bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 596 { 597 return (0); 598 } 599 600 static int 601 bcmfb_set_border(video_adapter_t *adp, int border) 602 { 603 return (bcmfb_blank_display(adp, border)); 604 } 605 606 static int 607 bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 608 { 609 return (0); 610 } 611 612 static int 613 bcmfb_load_state(video_adapter_t *adp, void *p) 614 { 615 return (0); 616 } 617 618 static int 619 bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 620 { 621 return (0); 622 } 623 624 static int 625 bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 626 { 627 *col = *row = 0; 628 629 return (0); 630 } 631 632 static int 633 bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 634 { 635 return (0); 636 } 637 638 static int 639 bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 640 int celsize, int blink) 641 { 642 return (0); 643 } 644 645 static int 646 bcmfb_blank_display(video_adapter_t *adp, int mode) 647 { 648 649 struct bcmsc_softc *sc; 650 651 sc = (struct bcmsc_softc *)adp; 652 if (sc && sc->fb_addr) 653 memset((void*)sc->fb_addr, 0, sc->fb_size); 654 655 return (0); 656 } 657 658 static int 659 bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 660 int prot, vm_memattr_t *memattr) 661 { 662 struct bcmsc_softc *sc; 663 664 sc = (struct bcmsc_softc *)adp; 665 666 /* 667 * This might be a legacy VGA mem request: if so, just point it at the 668 * framebuffer, since it shouldn't be touched 669 */ 670 if (offset < sc->stride*sc->height) { 671 *paddr = sc->fb_paddr + offset; 672 return (0); 673 } 674 675 return (EINVAL); 676 } 677 678 static int 679 bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 680 { 681 struct bcmsc_softc *sc; 682 struct fbtype *fb; 683 684 sc = (struct bcmsc_softc *)adp; 685 686 switch (cmd) { 687 case FBIOGTYPE: 688 fb = (struct fbtype *)data; 689 fb->fb_type = FBTYPE_PCIMISC; 690 fb->fb_height = sc->height; 691 fb->fb_width = sc->width; 692 fb->fb_depth = sc->depth; 693 if (sc->depth <= 1 || sc->depth > 8) 694 fb->fb_cmsize = 0; 695 else 696 fb->fb_cmsize = 1 << sc->depth; 697 fb->fb_size = sc->fb_size; 698 break; 699 default: 700 return (fb_commonioctl(adp, cmd, data)); 701 } 702 703 return (0); 704 } 705 706 static int 707 bcmfb_clear(video_adapter_t *adp) 708 { 709 710 return (bcmfb_blank_display(adp, 0)); 711 } 712 713 static int 714 bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 715 { 716 717 return (0); 718 } 719 720 static int 721 bcmfb_bitblt(video_adapter_t *adp, ...) 722 { 723 724 return (0); 725 } 726 727 static int 728 bcmfb_diag(video_adapter_t *adp, int level) 729 { 730 731 return (0); 732 } 733 734 static int 735 bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 736 { 737 738 return (0); 739 } 740 741 static int 742 bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 743 { 744 745 return (0); 746 } 747 748 static int 749 bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 750 { 751 752 return (0); 753 } 754 755 static int 756 bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 757 int size, int bpp, int bit_ltor, int byte_ltor) 758 { 759 760 return (0); 761 } 762 763 static int 764 bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 765 { 766 int bytes, col, i, j, k, row; 767 struct bcmsc_softc *sc; 768 u_char *p; 769 uint8_t *addr, fg, bg, color; 770 uint16_t rgb; 771 772 sc = (struct bcmsc_softc *)adp; 773 774 if (sc->fb_addr == 0) 775 return (0); 776 777 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 778 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 779 p = sc->font + c*BCMFB_FONT_HEIGHT; 780 addr = (uint8_t *)sc->fb_addr 781 + (row + sc->ymargin)*(sc->stride) 782 + (sc->depth/8) * (col + sc->xmargin); 783 784 fg = a & 0xf ; 785 bg = (a >> 4) & 0xf; 786 787 bytes = sc->depth / 8; 788 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 789 for (j = 0, k = 7; j < 8; j++, k--) { 790 if ((p[i] & (1 << k)) == 0) 791 color = bg; 792 else 793 color = fg; 794 795 switch (sc->depth) { 796 case 32: 797 case 24: 798 if (sc->fbswap) { 799 addr[bytes * j + 0] = 800 bcmfb_palette[color].b; 801 addr[bytes * j + 1] = 802 bcmfb_palette[color].g; 803 addr[bytes * j + 2] = 804 bcmfb_palette[color].r; 805 } else { 806 addr[bytes * j + 0] = 807 bcmfb_palette[color].r; 808 addr[bytes * j + 1] = 809 bcmfb_palette[color].g; 810 addr[bytes * j + 2] = 811 bcmfb_palette[color].b; 812 } 813 if (sc->depth == 32) 814 addr[bytes * j + 3] = 815 bcmfb_palette[color].a; 816 break; 817 case 16: 818 rgb = (bcmfb_palette[color].r >> 3) << 11; 819 rgb |= (bcmfb_palette[color].g >> 2) << 5; 820 rgb |= (bcmfb_palette[color].b >> 3); 821 addr[bytes * j] = rgb & 0xff; 822 addr[bytes * j + 1] = (rgb >> 8) & 0xff; 823 default: 824 /* Not supported yet */ 825 break; 826 } 827 } 828 829 addr += (sc->stride); 830 } 831 832 return (0); 833 } 834 835 static int 836 bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 837 { 838 int i; 839 840 for (i = 0; i < len; i++) 841 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 842 843 return (0); 844 } 845 846 static int 847 bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 848 uint32_t pixel_mask, int size, int width) 849 { 850 851 return (0); 852 } 853 854 /* 855 * Define a stub keyboard driver in case one hasn't been 856 * compiled into the kernel 857 */ 858 #include <sys/kbio.h> 859 #include <dev/kbd/kbdreg.h> 860 861 static int dummy_kbd_configure(int flags); 862 863 keyboard_switch_t bcmdummysw; 864 865 static int 866 dummy_kbd_configure(int flags) 867 { 868 869 return (0); 870 } 871 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); 872