bcm2835_fb.c revision 243687
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: head/sys/arm/broadcom/bcm2835/bcm2835_fb.c 243687 2012-11-30 02:31:08Z gonzo $"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bio.h> 33#include <sys/bus.h> 34#include <sys/conf.h> 35#include <sys/endian.h> 36#include <sys/kernel.h> 37#include <sys/kthread.h> 38#include <sys/lock.h> 39#include <sys/malloc.h> 40#include <sys/module.h> 41#include <sys/mutex.h> 42#include <sys/queue.h> 43#include <sys/resource.h> 44#include <sys/rman.h> 45#include <sys/time.h> 46#include <sys/timetc.h> 47#include <sys/fbio.h> 48#include <sys/consio.h> 49 50#include <sys/kdb.h> 51 52#include <machine/bus.h> 53#include <machine/cpu.h> 54#include <machine/cpufunc.h> 55#include <machine/resource.h> 56#include <machine/frame.h> 57#include <machine/intr.h> 58 59#include <dev/fdt/fdt_common.h> 60#include <dev/ofw/ofw_bus.h> 61#include <dev/ofw/ofw_bus_subr.h> 62 63#include <dev/fb/fbreg.h> 64#include <dev/syscons/syscons.h> 65 66#include <arm/broadcom/bcm2835/bcm2835_mbox.h> 67#include <arm/broadcom/bcm2835/bcm2835_vcbus.h> 68 69#define BCMFB_FONT_HEIGHT 16 70 71struct argb { 72 uint8_t a; 73 uint8_t r; 74 uint8_t g; 75 uint8_t b; 76}; 77 78static struct argb bcmfb_palette[16] = { 79 {0x00, 0x00, 0x00, 0x00}, 80 {0x00, 0x00, 0x00, 0xaa}, 81 {0x00, 0x00, 0xaa, 0x00}, 82 {0x00, 0x00, 0xaa, 0xaa}, 83 {0x00, 0xaa, 0x00, 0x00}, 84 {0x00, 0xaa, 0x00, 0xaa}, 85 {0x00, 0xaa, 0x55, 0x00}, 86 {0x00, 0xaa, 0xaa, 0xaa}, 87 {0x00, 0x55, 0x55, 0x55}, 88 {0x00, 0x55, 0x55, 0xff}, 89 {0x00, 0x55, 0xff, 0x55}, 90 {0x00, 0x55, 0xff, 0xff}, 91 {0x00, 0xff, 0x55, 0x55}, 92 {0x00, 0xff, 0x55, 0xff}, 93 {0x00, 0xff, 0xff, 0x55}, 94 {0x00, 0xff, 0xff, 0xff} 95}; 96 97#define FB_WIDTH 640 98#define FB_HEIGHT 480 99#define FB_DEPTH 24 100 101struct bcm_fb_config { 102 uint32_t xres; 103 uint32_t yres; 104 uint32_t vxres; 105 uint32_t vyres; 106 uint32_t pitch; 107 uint32_t bpp; 108 uint32_t xoffset; 109 uint32_t yoffset; 110 /* Filled by videocore */ 111 uint32_t base; 112 uint32_t screen_size; 113}; 114 115struct bcmsc_softc { 116 device_t dev; 117 struct cdev * cdev; 118 struct mtx mtx; 119 bus_dma_tag_t dma_tag; 120 bus_dmamap_t dma_map; 121 struct bcm_fb_config* fb_config; 122 bus_addr_t fb_config_phys; 123 struct intr_config_hook init_hook; 124 125}; 126 127struct video_adapter_softc { 128 /* Videoadpater part */ 129 video_adapter_t va; 130 int console; 131 132 intptr_t fb_addr; 133 unsigned int fb_size; 134 135 unsigned int height; 136 unsigned int width; 137 unsigned int depth; 138 unsigned int stride; 139 140 unsigned int xmargin; 141 unsigned int ymargin; 142 143 unsigned char *font; 144 int initialized; 145}; 146 147static struct bcmsc_softc *bcmsc_softc; 148static struct video_adapter_softc va_softc; 149 150#define bcm_fb_lock(_sc) mtx_lock(&(_sc)->mtx) 151#define bcm_fb_unlock(_sc) mtx_unlock(&(_sc)->mtx) 152#define bcm_fb_lock_assert(sc) mtx_assert(&(_sc)->mtx, MA_OWNED) 153 154static int bcm_fb_probe(device_t); 155static int bcm_fb_attach(device_t); 156static void bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err); 157static void bcmfb_update_margins(video_adapter_t *adp); 158static int bcmfb_configure(int); 159 160static void 161bcm_fb_init(void *arg) 162{ 163 struct bcmsc_softc *sc = arg; 164 struct video_adapter_softc *va_sc = &va_softc; 165 int err; 166 volatile struct bcm_fb_config* fb_config = sc->fb_config; 167 phandle_t node; 168 pcell_t cell; 169 170 node = ofw_bus_get_node(sc->dev); 171 172 fb_config->xres = 0; 173 fb_config->yres = 0; 174 fb_config->bpp = 0; 175 176 if ((OF_getprop(node, "broadcom,width", &cell, sizeof(cell))) > 0) 177 fb_config->xres = (int)fdt32_to_cpu(cell); 178 if (fb_config->xres == 0) 179 fb_config->xres = FB_WIDTH; 180 181 if ((OF_getprop(node, "broadcom,height", &cell, sizeof(cell))) > 0) 182 fb_config->yres = (uint32_t)fdt32_to_cpu(cell); 183 if (fb_config->yres == 0) 184 fb_config->yres = FB_HEIGHT; 185 186 if ((OF_getprop(node, "broadcom,depth", &cell, sizeof(cell))) > 0) 187 fb_config->bpp = (uint32_t)fdt32_to_cpu(cell); 188 if (fb_config->bpp == 0) 189 fb_config->bpp = FB_DEPTH; 190 191 fb_config->vxres = 0; 192 fb_config->vyres = 0; 193 fb_config->xoffset = 0; 194 fb_config->yoffset = 0; 195 fb_config->base = 0; 196 fb_config->pitch = 0; 197 fb_config->screen_size = 0; 198 199 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 200 BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); 201 bcm_mbox_write(BCM2835_MBOX_CHAN_FB, sc->fb_config_phys); 202 bcm_mbox_read(BCM2835_MBOX_CHAN_FB, &err); 203 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 204 BUS_DMASYNC_POSTREAD); 205 206 if (fb_config->base != 0) { 207 device_printf(sc->dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", 208 fb_config->xres, fb_config->yres, 209 fb_config->vxres, fb_config->vyres, 210 fb_config->xoffset, fb_config->yoffset, 211 fb_config->bpp); 212 213 214 device_printf(sc->dev, "pitch %d, base 0x%08x, screen_size %d\n", 215 fb_config->pitch, fb_config->base, 216 fb_config->screen_size); 217 218 va_sc->fb_addr = (intptr_t)pmap_mapdev(fb_config->base, fb_config->screen_size); 219 va_sc->fb_size = fb_config->screen_size; 220 va_sc->depth = fb_config->bpp; 221 va_sc->stride = fb_config->pitch; 222 223 va_sc->width = fb_config->xres; 224 va_sc->height = fb_config->yres; 225 bcmfb_update_margins(&va_sc->va); 226 } 227 else { 228 device_printf(sc->dev, "Failed to set framebuffer info\n"); 229 return; 230 } 231 232 config_intrhook_disestablish(&sc->init_hook); 233} 234 235static int 236bcm_fb_probe(device_t dev) 237{ 238 int error = 0; 239 240 if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-fb")) 241 return (ENXIO); 242 243 device_set_desc(dev, "BCM2835 framebuffer device"); 244 245 error = sc_probe_unit(device_get_unit(dev), 246 device_get_flags(dev) | SC_AUTODETECT_KBD); 247 if (error != 0) 248 return (error); 249 250 251 return (BUS_PROBE_DEFAULT); 252} 253 254static int 255bcm_fb_attach(device_t dev) 256{ 257 struct bcmsc_softc *sc = device_get_softc(dev); 258 int dma_size = sizeof(struct bcm_fb_config); 259 int err; 260 261 if (bcmsc_softc) 262 return (ENXIO); 263 264 bcmsc_softc = sc; 265 266 sc->dev = dev; 267 mtx_init(&sc->mtx, "bcm2835fb", "fb", MTX_DEF); 268 269 err = bus_dma_tag_create( 270 bus_get_dma_tag(sc->dev), 271 PAGE_SIZE, 0, /* alignment, boundary */ 272 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 273 BUS_SPACE_MAXADDR, /* highaddr */ 274 NULL, NULL, /* filter, filterarg */ 275 dma_size, 1, /* maxsize, nsegments */ 276 dma_size, 0, /* maxsegsize, flags */ 277 NULL, NULL, /* lockfunc, lockarg */ 278 &sc->dma_tag); 279 280 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_config, 281 0, &sc->dma_map); 282 if (err) { 283 device_printf(dev, "cannot allocate framebuffer\n"); 284 goto fail; 285 } 286 287 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_config, 288 dma_size, bcm_fb_dmamap_cb, &sc->fb_config_phys, BUS_DMA_NOWAIT); 289 290 if (err) { 291 device_printf(dev, "cannot load DMA map\n"); 292 goto fail; 293 } 294 295 err = (sc_attach_unit(device_get_unit(dev), 296 device_get_flags(dev) | SC_AUTODETECT_KBD)); 297 298 if (err) { 299 device_printf(dev, "failed to attach syscons\n"); 300 goto fail; 301 } 302 303 /* 304 * We have to wait until interrupts are enabled. 305 * Mailbox relies on it to get data from VideoCore 306 */ 307 sc->init_hook.ich_func = bcm_fb_init; 308 sc->init_hook.ich_arg = sc; 309 310 if (config_intrhook_establish(&sc->init_hook) != 0) { 311 device_printf(dev, "failed to establish intrhook\n"); 312 return (ENOMEM); 313 } 314 315 return (0); 316 317fail: 318 return (ENXIO); 319} 320 321 322static void 323bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) 324{ 325 bus_addr_t *addr; 326 327 if (err) 328 return; 329 330 addr = (bus_addr_t*)arg; 331 *addr = PHYS_TO_VCBUS(segs[0].ds_addr); 332} 333 334static device_method_t bcm_fb_methods[] = { 335 /* Device interface */ 336 DEVMETHOD(device_probe, bcm_fb_probe), 337 DEVMETHOD(device_attach, bcm_fb_attach), 338 339 { 0, 0 } 340}; 341 342static devclass_t bcm_fb_devclass; 343 344static driver_t bcm_fb_driver = { 345 "fb", 346 bcm_fb_methods, 347 sizeof(struct bcmsc_softc), 348}; 349 350DRIVER_MODULE(bcm2835fb, fdtbus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 351 352/* 353 * Video driver routines and glue. 354 */ 355static vi_probe_t bcmfb_probe; 356static vi_init_t bcmfb_init; 357static vi_get_info_t bcmfb_get_info; 358static vi_query_mode_t bcmfb_query_mode; 359static vi_set_mode_t bcmfb_set_mode; 360static vi_save_font_t bcmfb_save_font; 361static vi_load_font_t bcmfb_load_font; 362static vi_show_font_t bcmfb_show_font; 363static vi_save_palette_t bcmfb_save_palette; 364static vi_load_palette_t bcmfb_load_palette; 365static vi_set_border_t bcmfb_set_border; 366static vi_save_state_t bcmfb_save_state; 367static vi_load_state_t bcmfb_load_state; 368static vi_set_win_org_t bcmfb_set_win_org; 369static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 370static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 371static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 372static vi_blank_display_t bcmfb_blank_display; 373static vi_mmap_t bcmfb_mmap; 374static vi_ioctl_t bcmfb_ioctl; 375static vi_clear_t bcmfb_clear; 376static vi_fill_rect_t bcmfb_fill_rect; 377static vi_bitblt_t bcmfb_bitblt; 378static vi_diag_t bcmfb_diag; 379static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 380static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 381static vi_copy_t bcmfb_copy; 382static vi_putp_t bcmfb_putp; 383static vi_putc_t bcmfb_putc; 384static vi_puts_t bcmfb_puts; 385static vi_putm_t bcmfb_putm; 386 387static video_switch_t bcmfbvidsw = { 388 .probe = bcmfb_probe, 389 .init = bcmfb_init, 390 .get_info = bcmfb_get_info, 391 .query_mode = bcmfb_query_mode, 392 .set_mode = bcmfb_set_mode, 393 .save_font = bcmfb_save_font, 394 .load_font = bcmfb_load_font, 395 .show_font = bcmfb_show_font, 396 .save_palette = bcmfb_save_palette, 397 .load_palette = bcmfb_load_palette, 398 .set_border = bcmfb_set_border, 399 .save_state = bcmfb_save_state, 400 .load_state = bcmfb_load_state, 401 .set_win_org = bcmfb_set_win_org, 402 .read_hw_cursor = bcmfb_read_hw_cursor, 403 .set_hw_cursor = bcmfb_set_hw_cursor, 404 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 405 .blank_display = bcmfb_blank_display, 406 .mmap = bcmfb_mmap, 407 .ioctl = bcmfb_ioctl, 408 .clear = bcmfb_clear, 409 .fill_rect = bcmfb_fill_rect, 410 .bitblt = bcmfb_bitblt, 411 .diag = bcmfb_diag, 412 .save_cursor_palette = bcmfb_save_cursor_palette, 413 .load_cursor_palette = bcmfb_load_cursor_palette, 414 .copy = bcmfb_copy, 415 .putp = bcmfb_putp, 416 .putc = bcmfb_putc, 417 .puts = bcmfb_puts, 418 .putm = bcmfb_putm, 419}; 420 421VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 422 423extern sc_rndr_sw_t txtrndrsw; 424RENDERER(bcmfb, 0, txtrndrsw, gfb_set); 425RENDERER_MODULE(bcmfb, gfb_set); 426 427static uint16_t bcmfb_static_window[ROW*COL]; 428extern u_char dflt_font_16[]; 429 430/* 431 * Update videoadapter settings after changing resolution 432 */ 433static void 434bcmfb_update_margins(video_adapter_t *adp) 435{ 436 struct video_adapter_softc *sc; 437 video_info_t *vi; 438 439 sc = (struct video_adapter_softc *)adp; 440 vi = &adp->va_info; 441 442 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 443 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 444} 445 446static int 447bcmfb_configure(int flags) 448{ 449 struct video_adapter_softc *va_sc; 450 451 va_sc = &va_softc; 452 phandle_t display, root; 453 pcell_t cell; 454 455 if (va_sc->initialized) 456 return (0); 457 458 va_sc->width = 0; 459 va_sc->height = 0; 460 461 /* 462 * It seems there is no way to let syscons framework know 463 * that framebuffer resolution has changed. So just try 464 * to fetch data from FDT and go with defaults if failed 465 */ 466 root = OF_finddevice("/"); 467 if ((root != 0) && 468 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 469 if ((OF_getprop(display, "broadcom,width", 470 &cell, sizeof(cell))) > 0) 471 va_sc->width = (int)fdt32_to_cpu(cell); 472 473 if ((OF_getprop(display, "broadcom,height", 474 &cell, sizeof(cell))) > 0) 475 va_sc->height = (int)fdt32_to_cpu(cell); 476 } 477 478 if (va_sc->width == 0) 479 va_sc->width = FB_WIDTH; 480 if (va_sc->height == 0) 481 va_sc->height = FB_HEIGHT; 482 483 bcmfb_init(0, &va_sc->va, 0); 484 485 va_sc->initialized = 1; 486 487 return (0); 488} 489 490static int 491bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 492{ 493 494 return (0); 495} 496 497static int 498bcmfb_init(int unit, video_adapter_t *adp, int flags) 499{ 500 struct video_adapter_softc *sc; 501 video_info_t *vi; 502 503 sc = (struct video_adapter_softc *)adp; 504 vi = &adp->va_info; 505 506 vid_init_struct(adp, "bcmfb", -1, unit); 507 508 sc->font = dflt_font_16; 509 vi->vi_cheight = BCMFB_FONT_HEIGHT; 510 vi->vi_cwidth = 8; 511 512 vi->vi_width = sc->width/8; 513 vi->vi_height = sc->height/vi->vi_cheight; 514 515 /* 516 * Clamp width/height to syscons maximums 517 */ 518 if (vi->vi_width > COL) 519 vi->vi_width = COL; 520 if (vi->vi_height > ROW) 521 vi->vi_height = ROW; 522 523 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 524 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 525 526 527 adp->va_window = (vm_offset_t) bcmfb_static_window; 528 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 529 530 vid_register(&sc->va); 531 532 return (0); 533} 534 535static int 536bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 537{ 538 bcopy(&adp->va_info, info, sizeof(*info)); 539 return (0); 540} 541 542static int 543bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 544{ 545 return (0); 546} 547 548static int 549bcmfb_set_mode(video_adapter_t *adp, int mode) 550{ 551 return (0); 552} 553 554static int 555bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 556 u_char *data, int c, int count) 557{ 558 return (0); 559} 560 561static int 562bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 563 u_char *data, int c, int count) 564{ 565 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 566 567 sc->font = data; 568 569 return (0); 570} 571 572static int 573bcmfb_show_font(video_adapter_t *adp, int page) 574{ 575 return (0); 576} 577 578static int 579bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 580{ 581 return (0); 582} 583 584static int 585bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 586{ 587 return (0); 588} 589 590static int 591bcmfb_set_border(video_adapter_t *adp, int border) 592{ 593 return (bcmfb_blank_display(adp, border)); 594} 595 596static int 597bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 598{ 599 return (0); 600} 601 602static int 603bcmfb_load_state(video_adapter_t *adp, void *p) 604{ 605 return (0); 606} 607 608static int 609bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 610{ 611 return (0); 612} 613 614static int 615bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 616{ 617 *col = *row = 0; 618 619 return (0); 620} 621 622static int 623bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 624{ 625 return (0); 626} 627 628static int 629bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 630 int celsize, int blink) 631{ 632 return (0); 633} 634 635static int 636bcmfb_blank_display(video_adapter_t *adp, int mode) 637{ 638 639 struct video_adapter_softc *sc; 640 641 sc = (struct video_adapter_softc *)adp; 642 if (sc && sc->fb_addr) 643 memset((void*)sc->fb_addr, 0, sc->fb_size); 644 645 return (0); 646} 647 648static int 649bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 650 int prot, vm_memattr_t *memattr) 651{ 652 struct video_adapter_softc *sc; 653 654 sc = (struct video_adapter_softc *)adp; 655 656 /* 657 * This might be a legacy VGA mem request: if so, just point it at the 658 * framebuffer, since it shouldn't be touched 659 */ 660 if (offset < sc->stride*sc->height) { 661 *paddr = sc->fb_addr + offset; 662 return (0); 663 } 664 665 return (EINVAL); 666} 667 668static int 669bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 670{ 671 672 return (0); 673} 674 675static int 676bcmfb_clear(video_adapter_t *adp) 677{ 678 679 return (bcmfb_blank_display(adp, 0)); 680} 681 682static int 683bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 684{ 685 686 return (0); 687} 688 689static int 690bcmfb_bitblt(video_adapter_t *adp, ...) 691{ 692 693 return (0); 694} 695 696static int 697bcmfb_diag(video_adapter_t *adp, int level) 698{ 699 700 return (0); 701} 702 703static int 704bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 705{ 706 707 return (0); 708} 709 710static int 711bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 712{ 713 714 return (0); 715} 716 717static int 718bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 719{ 720 721 return (0); 722} 723 724static int 725bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 726 int size, int bpp, int bit_ltor, int byte_ltor) 727{ 728 729 return (0); 730} 731 732static int 733bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 734{ 735 struct video_adapter_softc *sc; 736 int row; 737 int col; 738 int i, j, k; 739 uint8_t *addr; 740 u_char *p; 741 uint8_t fg, bg, color; 742 uint16_t rgb; 743 744 sc = (struct video_adapter_softc *)adp; 745 746 if (sc->fb_addr == 0) 747 return (0); 748 749 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 750 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 751 p = sc->font + c*BCMFB_FONT_HEIGHT; 752 addr = (uint8_t *)sc->fb_addr 753 + (row + sc->ymargin)*(sc->stride) 754 + (sc->depth/8) * (col + sc->xmargin); 755 756 fg = a & 0xf ; 757 bg = (a >> 8) & 0xf; 758 759 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 760 for (j = 0, k = 7; j < 8; j++, k--) { 761 if ((p[i] & (1 << k)) == 0) 762 color = bg; 763 else 764 color = fg; 765 766 switch (sc->depth) { 767 case 32: 768 addr[4*j+0] = bcmfb_palette[color].r; 769 addr[4*j+1] = bcmfb_palette[color].g; 770 addr[4*j+2] = bcmfb_palette[color].b; 771 addr[4*j+3] = bcmfb_palette[color].a; 772 break; 773 case 24: 774 addr[3*j] = bcmfb_palette[color].r; 775 addr[3*j+1] = bcmfb_palette[color].g; 776 addr[3*j+2] = bcmfb_palette[color].b; 777 break; 778 case 16: 779 rgb = (bcmfb_palette[color].r >> 3) << 11; 780 rgb |= (bcmfb_palette[color].g >> 2) << 5; 781 rgb |= (bcmfb_palette[color].b >> 3); 782 addr[2*j] = rgb & 0xff; 783 addr[2*j + 1] = (rgb >> 8) & 0xff; 784 default: 785 /* Not supported yet */ 786 break; 787 } 788 } 789 790 addr += (sc->stride); 791 } 792 793 return (0); 794} 795 796static int 797bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 798{ 799 int i; 800 801 for (i = 0; i < len; i++) 802 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 803 804 return (0); 805} 806 807static int 808bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 809 uint32_t pixel_mask, int size, int width) 810{ 811 812 return (0); 813} 814 815/* 816 * Define a stub keyboard driver in case one hasn't been 817 * compiled into the kernel 818 */ 819#include <sys/kbio.h> 820#include <dev/kbd/kbdreg.h> 821 822static int dummy_kbd_configure(int flags); 823 824keyboard_switch_t bcmdummysw; 825 826static int 827dummy_kbd_configure(int flags) 828{ 829 830 return (0); 831} 832KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); 833