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/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 71 struct argb { 72 uint8_t a; 73 uint8_t r; 74 uint8_t g; 75 uint8_t b; 76 }; 77 78 static 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 /* mouse pointer from dev/syscons/scgfbrndr.c */ 98 static u_char mouse_pointer[16] = { 99 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 100 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 101 }; 102 103 #define FB_WIDTH 640 104 #define FB_HEIGHT 480 105 #define FB_DEPTH 24 106 107 struct bcm_fb_config { 108 uint32_t xres; 109 uint32_t yres; 110 uint32_t vxres; 111 uint32_t vyres; 112 uint32_t pitch; 113 uint32_t bpp; 114 uint32_t xoffset; 115 uint32_t yoffset; 116 /* Filled by videocore */ 117 uint32_t base; 118 uint32_t screen_size; 119 }; 120 121 struct bcmsc_softc { 122 device_t dev; 123 struct cdev * cdev; 124 struct mtx mtx; 125 bus_dma_tag_t dma_tag; 126 bus_dmamap_t dma_map; 127 struct bcm_fb_config* fb_config; 128 bus_addr_t fb_config_phys; 129 struct intr_config_hook init_hook; 130 131 }; 132 133 struct video_adapter_softc { 134 /* Videoadpater part */ 135 video_adapter_t va; 136 int console; 137 138 intptr_t fb_addr; 139 intptr_t fb_paddr; 140 unsigned int fb_size; 141 142 unsigned int height; 143 unsigned int width; 144 unsigned int depth; 145 unsigned int stride; 146 147 unsigned int xmargin; 148 unsigned int ymargin; 149 150 unsigned char *font; 151 int initialized; 152 }; 153 154 static struct bcmsc_softc *bcmsc_softc; 155 static struct video_adapter_softc va_softc; 156 157 #define bcm_fb_lock(_sc) mtx_lock(&(_sc)->mtx) 158 #define bcm_fb_unlock(_sc) mtx_unlock(&(_sc)->mtx) 159 #define bcm_fb_lock_assert(sc) mtx_assert(&(_sc)->mtx, MA_OWNED) 160 161 static int bcm_fb_probe(device_t); 162 static int bcm_fb_attach(device_t); 163 static void bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err); 164 static void bcmfb_update_margins(video_adapter_t *adp); 165 static int bcmfb_configure(int); 166 167 static void 168 bcm_fb_init(void *arg) 169 { 170 struct bcmsc_softc *sc = arg; 171 struct video_adapter_softc *va_sc = &va_softc; 172 int err; 173 volatile struct bcm_fb_config* fb_config = sc->fb_config; 174 phandle_t node; 175 pcell_t cell; 176 177 node = ofw_bus_get_node(sc->dev); 178 179 fb_config->xres = 0; 180 fb_config->yres = 0; 181 fb_config->bpp = 0; 182 183 if ((OF_getprop(node, "broadcom,width", &cell, sizeof(cell))) > 0) 184 fb_config->xres = (int)fdt32_to_cpu(cell); 185 if (fb_config->xres == 0) 186 fb_config->xres = FB_WIDTH; 187 188 if ((OF_getprop(node, "broadcom,height", &cell, sizeof(cell))) > 0) 189 fb_config->yres = (uint32_t)fdt32_to_cpu(cell); 190 if (fb_config->yres == 0) 191 fb_config->yres = FB_HEIGHT; 192 193 if ((OF_getprop(node, "broadcom,depth", &cell, sizeof(cell))) > 0) 194 fb_config->bpp = (uint32_t)fdt32_to_cpu(cell); 195 if (fb_config->bpp == 0) 196 fb_config->bpp = FB_DEPTH; 197 198 fb_config->vxres = 0; 199 fb_config->vyres = 0; 200 fb_config->xoffset = 0; 201 fb_config->yoffset = 0; 202 fb_config->base = 0; 203 fb_config->pitch = 0; 204 fb_config->screen_size = 0; 205 206 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 207 BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); 208 bcm_mbox_write(BCM2835_MBOX_CHAN_FB, sc->fb_config_phys); 209 bcm_mbox_read(BCM2835_MBOX_CHAN_FB, &err); 210 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 211 BUS_DMASYNC_POSTREAD); 212 213 if (fb_config->base != 0) { 214 device_printf(sc->dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", 215 fb_config->xres, fb_config->yres, 216 fb_config->vxres, fb_config->vyres, 217 fb_config->xoffset, fb_config->yoffset, 218 fb_config->bpp); 219 220 221 device_printf(sc->dev, "pitch %d, base 0x%08x, screen_size %d\n", 222 fb_config->pitch, fb_config->base, 223 fb_config->screen_size); 224 225 va_sc->fb_addr = (intptr_t)pmap_mapdev(fb_config->base, fb_config->screen_size); 226 va_sc->fb_paddr = fb_config->base; 227 va_sc->fb_size = fb_config->screen_size; 228 va_sc->depth = fb_config->bpp; 229 va_sc->stride = fb_config->pitch; 230 231 va_sc->width = fb_config->xres; 232 va_sc->height = fb_config->yres; 233 bcmfb_update_margins(&va_sc->va); 234 } 235 else { 236 device_printf(sc->dev, "Failed to set framebuffer info\n"); 237 return; 238 } 239 240 config_intrhook_disestablish(&sc->init_hook); 241 } 242 243 static int 244 bcm_fb_probe(device_t dev) 245 { 246 int error = 0; 247 248 if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-fb")) 249 return (ENXIO); 250 251 device_set_desc(dev, "BCM2835 framebuffer device"); 252 253 error = sc_probe_unit(device_get_unit(dev), 254 device_get_flags(dev) | SC_AUTODETECT_KBD); 255 if (error != 0) 256 return (error); 257 258 259 return (BUS_PROBE_DEFAULT); 260 } 261 262 static int 263 bcm_fb_attach(device_t dev) 264 { 265 struct bcmsc_softc *sc = device_get_softc(dev); 266 int dma_size = sizeof(struct bcm_fb_config); 267 int err; 268 269 if (bcmsc_softc) 270 return (ENXIO); 271 272 bcmsc_softc = sc; 273 274 sc->dev = dev; 275 mtx_init(&sc->mtx, "bcm2835fb", "fb", MTX_DEF); 276 277 err = bus_dma_tag_create( 278 bus_get_dma_tag(sc->dev), 279 PAGE_SIZE, 0, /* alignment, boundary */ 280 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 281 BUS_SPACE_MAXADDR, /* highaddr */ 282 NULL, NULL, /* filter, filterarg */ 283 dma_size, 1, /* maxsize, nsegments */ 284 dma_size, 0, /* maxsegsize, flags */ 285 NULL, NULL, /* lockfunc, lockarg */ 286 &sc->dma_tag); 287 288 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_config, 289 0, &sc->dma_map); 290 if (err) { 291 device_printf(dev, "cannot allocate framebuffer\n"); 292 goto fail; 293 } 294 295 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_config, 296 dma_size, bcm_fb_dmamap_cb, &sc->fb_config_phys, BUS_DMA_NOWAIT); 297 298 if (err) { 299 device_printf(dev, "cannot load DMA map\n"); 300 goto fail; 301 } 302 303 err = (sc_attach_unit(device_get_unit(dev), 304 device_get_flags(dev) | SC_AUTODETECT_KBD)); 305 306 if (err) { 307 device_printf(dev, "failed to attach syscons\n"); 308 goto fail; 309 } 310 311 /* 312 * We have to wait until interrupts are enabled. 313 * Mailbox relies on it to get data from VideoCore 314 */ 315 sc->init_hook.ich_func = bcm_fb_init; 316 sc->init_hook.ich_arg = sc; 317 318 if (config_intrhook_establish(&sc->init_hook) != 0) { 319 device_printf(dev, "failed to establish intrhook\n"); 320 return (ENOMEM); 321 } 322 323 return (0); 324 325 fail: 326 return (ENXIO); 327 } 328 329 330 static void 331 bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) 332 { 333 bus_addr_t *addr; 334 335 if (err) 336 return; 337 338 addr = (bus_addr_t*)arg; 339 *addr = PHYS_TO_VCBUS(segs[0].ds_addr); 340 } 341 342 static device_method_t bcm_fb_methods[] = { 343 /* Device interface */ 344 DEVMETHOD(device_probe, bcm_fb_probe), 345 DEVMETHOD(device_attach, bcm_fb_attach), 346 347 { 0, 0 } 348 }; 349 350 static devclass_t bcm_fb_devclass; 351 352 static driver_t bcm_fb_driver = { 353 "fb", 354 bcm_fb_methods, 355 sizeof(struct bcmsc_softc), 356 }; 357 358 DRIVER_MODULE(bcm2835fb, fdtbus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 359 360 /* 361 * Video driver routines and glue. 362 */ 363 static vi_probe_t bcmfb_probe; 364 static vi_init_t bcmfb_init; 365 static vi_get_info_t bcmfb_get_info; 366 static vi_query_mode_t bcmfb_query_mode; 367 static vi_set_mode_t bcmfb_set_mode; 368 static vi_save_font_t bcmfb_save_font; 369 static vi_load_font_t bcmfb_load_font; 370 static vi_show_font_t bcmfb_show_font; 371 static vi_save_palette_t bcmfb_save_palette; 372 static vi_load_palette_t bcmfb_load_palette; 373 static vi_set_border_t bcmfb_set_border; 374 static vi_save_state_t bcmfb_save_state; 375 static vi_load_state_t bcmfb_load_state; 376 static vi_set_win_org_t bcmfb_set_win_org; 377 static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 378 static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 379 static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 380 static vi_blank_display_t bcmfb_blank_display; 381 static vi_mmap_t bcmfb_mmap; 382 static vi_ioctl_t bcmfb_ioctl; 383 static vi_clear_t bcmfb_clear; 384 static vi_fill_rect_t bcmfb_fill_rect; 385 static vi_bitblt_t bcmfb_bitblt; 386 static vi_diag_t bcmfb_diag; 387 static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 388 static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 389 static vi_copy_t bcmfb_copy; 390 static vi_putp_t bcmfb_putp; 391 static vi_putc_t bcmfb_putc; 392 static vi_puts_t bcmfb_puts; 393 static vi_putm_t bcmfb_putm; 394 395 static video_switch_t bcmfbvidsw = { 396 .probe = bcmfb_probe, 397 .init = bcmfb_init, 398 .get_info = bcmfb_get_info, 399 .query_mode = bcmfb_query_mode, 400 .set_mode = bcmfb_set_mode, 401 .save_font = bcmfb_save_font, 402 .load_font = bcmfb_load_font, 403 .show_font = bcmfb_show_font, 404 .save_palette = bcmfb_save_palette, 405 .load_palette = bcmfb_load_palette, 406 .set_border = bcmfb_set_border, 407 .save_state = bcmfb_save_state, 408 .load_state = bcmfb_load_state, 409 .set_win_org = bcmfb_set_win_org, 410 .read_hw_cursor = bcmfb_read_hw_cursor, 411 .set_hw_cursor = bcmfb_set_hw_cursor, 412 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 413 .blank_display = bcmfb_blank_display, 414 .mmap = bcmfb_mmap, 415 .ioctl = bcmfb_ioctl, 416 .clear = bcmfb_clear, 417 .fill_rect = bcmfb_fill_rect, 418 .bitblt = bcmfb_bitblt, 419 .diag = bcmfb_diag, 420 .save_cursor_palette = bcmfb_save_cursor_palette, 421 .load_cursor_palette = bcmfb_load_cursor_palette, 422 .copy = bcmfb_copy, 423 .putp = bcmfb_putp, 424 .putc = bcmfb_putc, 425 .puts = bcmfb_puts, 426 .putm = bcmfb_putm, 427 }; 428 429 VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 430 431 static vr_init_t bcmrend_init; 432 static vr_clear_t bcmrend_clear; 433 static vr_draw_border_t bcmrend_draw_border; 434 static vr_draw_t bcmrend_draw; 435 static vr_set_cursor_t bcmrend_set_cursor; 436 static vr_draw_cursor_t bcmrend_draw_cursor; 437 static vr_blink_cursor_t bcmrend_blink_cursor; 438 static vr_set_mouse_t bcmrend_set_mouse; 439 static vr_draw_mouse_t bcmrend_draw_mouse; 440 441 /* 442 * We use our own renderer; this is because we must emulate a hardware 443 * cursor. 444 */ 445 static sc_rndr_sw_t bcmrend = { 446 bcmrend_init, 447 bcmrend_clear, 448 bcmrend_draw_border, 449 bcmrend_draw, 450 bcmrend_set_cursor, 451 bcmrend_draw_cursor, 452 bcmrend_blink_cursor, 453 bcmrend_set_mouse, 454 bcmrend_draw_mouse 455 }; 456 457 RENDERER(bcmfb, 0, bcmrend, gfb_set); 458 RENDERER_MODULE(bcmfb, gfb_set); 459 460 static void 461 bcmrend_init(scr_stat* scp) 462 { 463 } 464 465 static void 466 bcmrend_clear(scr_stat* scp, int c, int attr) 467 { 468 } 469 470 static void 471 bcmrend_draw_border(scr_stat* scp, int color) 472 { 473 } 474 475 static void 476 bcmrend_draw(scr_stat* scp, int from, int count, int flip) 477 { 478 video_adapter_t* adp = scp->sc->adp; 479 int i, c, a; 480 481 if (!flip) { 482 /* Normal printing */ 483 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 484 } else { 485 /* This is for selections and such: invert the color attribute */ 486 for (i = count; i-- > 0; ++from) { 487 c = sc_vtb_getc(&scp->vtb, from); 488 a = sc_vtb_geta(&scp->vtb, from) >> 8; 489 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 490 } 491 } 492 } 493 494 static void 495 bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 496 { 497 } 498 499 static void 500 bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 501 { 502 video_adapter_t* adp = scp->sc->adp; 503 struct video_adapter_softc *sc; 504 int row, col; 505 uint8_t *addr; 506 int i, j, bytes; 507 508 sc = (struct video_adapter_softc *)adp; 509 510 if (scp->curs_attr.height <= 0) 511 return; 512 513 if (sc->fb_addr == 0) 514 return; 515 516 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 517 return; 518 519 /* calculate the coordinates in the video buffer */ 520 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 521 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 522 523 addr = (uint8_t *)sc->fb_addr 524 + (row + sc->ymargin)*(sc->stride) 525 + (sc->depth/8) * (col + sc->xmargin); 526 527 bytes = sc->depth/8; 528 529 /* our cursor consists of simply inverting the char under it */ 530 for (i = 0; i < adp->va_info.vi_cheight; i++) { 531 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 532 switch (sc->depth) { 533 case 32: 534 case 24: 535 addr[bytes*j + 2] ^= 0xff; 536 /* FALLTHROUGH */ 537 case 16: 538 addr[bytes*j + 1] ^= 0xff; 539 addr[bytes*j] ^= 0xff; 540 break; 541 default: 542 break; 543 } 544 } 545 546 addr += sc->stride; 547 } 548 } 549 550 static void 551 bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 552 { 553 } 554 555 static void 556 bcmrend_set_mouse(scr_stat* scp) 557 { 558 } 559 560 static void 561 bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 562 { 563 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 564 } 565 566 static uint16_t bcmfb_static_window[ROW*COL]; 567 extern u_char dflt_font_16[]; 568 569 /* 570 * Update videoadapter settings after changing resolution 571 */ 572 static void 573 bcmfb_update_margins(video_adapter_t *adp) 574 { 575 struct video_adapter_softc *sc; 576 video_info_t *vi; 577 578 sc = (struct video_adapter_softc *)adp; 579 vi = &adp->va_info; 580 581 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 582 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 583 } 584 585 static int 586 bcmfb_configure(int flags) 587 { 588 struct video_adapter_softc *va_sc; 589 590 va_sc = &va_softc; 591 phandle_t display, root; 592 pcell_t cell; 593 594 if (va_sc->initialized) 595 return (0); 596 597 va_sc->width = 0; 598 va_sc->height = 0; 599 600 /* 601 * It seems there is no way to let syscons framework know 602 * that framebuffer resolution has changed. So just try 603 * to fetch data from FDT and go with defaults if failed 604 */ 605 root = OF_finddevice("/"); 606 if ((root != 0) && 607 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 608 if ((OF_getprop(display, "broadcom,width", 609 &cell, sizeof(cell))) > 0) 610 va_sc->width = (int)fdt32_to_cpu(cell); 611 612 if ((OF_getprop(display, "broadcom,height", 613 &cell, sizeof(cell))) > 0) 614 va_sc->height = (int)fdt32_to_cpu(cell); 615 } 616 617 if (va_sc->width == 0) 618 va_sc->width = FB_WIDTH; 619 if (va_sc->height == 0) 620 va_sc->height = FB_HEIGHT; 621 622 bcmfb_init(0, &va_sc->va, 0); 623 624 va_sc->initialized = 1; 625 626 return (0); 627 } 628 629 static int 630 bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 631 { 632 633 return (0); 634 } 635 636 static int 637 bcmfb_init(int unit, video_adapter_t *adp, int flags) 638 { 639 struct video_adapter_softc *sc; 640 video_info_t *vi; 641 642 sc = (struct video_adapter_softc *)adp; 643 vi = &adp->va_info; 644 645 vid_init_struct(adp, "bcmfb", -1, unit); 646 647 sc->font = dflt_font_16; 648 vi->vi_cheight = BCMFB_FONT_HEIGHT; 649 vi->vi_cwidth = 8; 650 651 vi->vi_width = sc->width/8; 652 vi->vi_height = sc->height/vi->vi_cheight; 653 654 /* 655 * Clamp width/height to syscons maximums 656 */ 657 if (vi->vi_width > COL) 658 vi->vi_width = COL; 659 if (vi->vi_height > ROW) 660 vi->vi_height = ROW; 661 662 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 663 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 664 665 666 adp->va_window = (vm_offset_t) bcmfb_static_window; 667 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 668 669 vid_register(&sc->va); 670 671 return (0); 672 } 673 674 static int 675 bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 676 { 677 bcopy(&adp->va_info, info, sizeof(*info)); 678 return (0); 679 } 680 681 static int 682 bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 683 { 684 return (0); 685 } 686 687 static int 688 bcmfb_set_mode(video_adapter_t *adp, int mode) 689 { 690 return (0); 691 } 692 693 static int 694 bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 695 u_char *data, int c, int count) 696 { 697 return (0); 698 } 699 700 static int 701 bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 702 u_char *data, int c, int count) 703 { 704 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 705 706 sc->font = data; 707 708 return (0); 709 } 710 711 static int 712 bcmfb_show_font(video_adapter_t *adp, int page) 713 { 714 return (0); 715 } 716 717 static int 718 bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 719 { 720 return (0); 721 } 722 723 static int 724 bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 725 { 726 return (0); 727 } 728 729 static int 730 bcmfb_set_border(video_adapter_t *adp, int border) 731 { 732 return (bcmfb_blank_display(adp, border)); 733 } 734 735 static int 736 bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 737 { 738 return (0); 739 } 740 741 static int 742 bcmfb_load_state(video_adapter_t *adp, void *p) 743 { 744 return (0); 745 } 746 747 static int 748 bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 749 { 750 return (0); 751 } 752 753 static int 754 bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 755 { 756 *col = *row = 0; 757 758 return (0); 759 } 760 761 static int 762 bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 763 { 764 return (0); 765 } 766 767 static int 768 bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 769 int celsize, int blink) 770 { 771 return (0); 772 } 773 774 static int 775 bcmfb_blank_display(video_adapter_t *adp, int mode) 776 { 777 778 struct video_adapter_softc *sc; 779 780 sc = (struct video_adapter_softc *)adp; 781 if (sc && sc->fb_addr) 782 memset((void*)sc->fb_addr, 0, sc->fb_size); 783 784 return (0); 785 } 786 787 static int 788 bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 789 int prot, vm_memattr_t *memattr) 790 { 791 struct video_adapter_softc *sc; 792 793 sc = (struct video_adapter_softc *)adp; 794 795 /* 796 * This might be a legacy VGA mem request: if so, just point it at the 797 * framebuffer, since it shouldn't be touched 798 */ 799 if (offset < sc->stride*sc->height) { 800 *paddr = sc->fb_paddr + offset; 801 return (0); 802 } 803 804 return (EINVAL); 805 } 806 807 static int 808 bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 809 { 810 struct video_adapter_softc *sc; 811 struct fbtype *fb; 812 813 sc = (struct video_adapter_softc *)adp; 814 815 switch (cmd) { 816 case FBIOGTYPE: 817 fb = (struct fbtype *)data; 818 fb->fb_type = FBTYPE_PCIMISC; 819 fb->fb_height = sc->height; 820 fb->fb_width = sc->width; 821 fb->fb_depth = sc->depth; 822 if (sc->depth <= 1 || sc->depth > 8) 823 fb->fb_cmsize = 0; 824 else 825 fb->fb_cmsize = 1 << sc->depth; 826 fb->fb_size = sc->fb_size; 827 break; 828 default: 829 return (fb_commonioctl(adp, cmd, data)); 830 } 831 832 return (0); 833 } 834 835 static int 836 bcmfb_clear(video_adapter_t *adp) 837 { 838 839 return (bcmfb_blank_display(adp, 0)); 840 } 841 842 static int 843 bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 844 { 845 846 return (0); 847 } 848 849 static int 850 bcmfb_bitblt(video_adapter_t *adp, ...) 851 { 852 853 return (0); 854 } 855 856 static int 857 bcmfb_diag(video_adapter_t *adp, int level) 858 { 859 860 return (0); 861 } 862 863 static int 864 bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 865 { 866 867 return (0); 868 } 869 870 static int 871 bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 872 { 873 874 return (0); 875 } 876 877 static int 878 bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 879 { 880 881 return (0); 882 } 883 884 static int 885 bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 886 int size, int bpp, int bit_ltor, int byte_ltor) 887 { 888 889 return (0); 890 } 891 892 static int 893 bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 894 { 895 struct video_adapter_softc *sc; 896 int row; 897 int col; 898 int i, j, k; 899 uint8_t *addr; 900 u_char *p; 901 uint8_t fg, bg, color; 902 uint16_t rgb; 903 904 sc = (struct video_adapter_softc *)adp; 905 906 if (sc->fb_addr == 0) 907 return (0); 908 909 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 910 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 911 p = sc->font + c*BCMFB_FONT_HEIGHT; 912 addr = (uint8_t *)sc->fb_addr 913 + (row + sc->ymargin)*(sc->stride) 914 + (sc->depth/8) * (col + sc->xmargin); 915 916 fg = a & 0xf ; 917 bg = (a >> 4) & 0xf; 918 919 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 920 for (j = 0, k = 7; j < 8; j++, k--) { 921 if ((p[i] & (1 << k)) == 0) 922 color = bg; 923 else 924 color = fg; 925 926 switch (sc->depth) { 927 case 32: 928 addr[4*j+0] = bcmfb_palette[color].r; 929 addr[4*j+1] = bcmfb_palette[color].g; 930 addr[4*j+2] = bcmfb_palette[color].b; 931 addr[4*j+3] = bcmfb_palette[color].a; 932 break; 933 case 24: 934 addr[3*j] = bcmfb_palette[color].r; 935 addr[3*j+1] = bcmfb_palette[color].g; 936 addr[3*j+2] = bcmfb_palette[color].b; 937 break; 938 case 16: 939 rgb = (bcmfb_palette[color].r >> 3) << 11; 940 rgb |= (bcmfb_palette[color].g >> 2) << 5; 941 rgb |= (bcmfb_palette[color].b >> 3); 942 addr[2*j] = rgb & 0xff; 943 addr[2*j + 1] = (rgb >> 8) & 0xff; 944 default: 945 /* Not supported yet */ 946 break; 947 } 948 } 949 950 addr += (sc->stride); 951 } 952 953 return (0); 954 } 955 956 static int 957 bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 958 { 959 int i; 960 961 for (i = 0; i < len; i++) 962 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 963 964 return (0); 965 } 966 967 static int 968 bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 969 uint32_t pixel_mask, int size, int width) 970 { 971 972 return (0); 973 } 974 975 /* 976 * Define a stub keyboard driver in case one hasn't been 977 * compiled into the kernel 978 */ 979 #include <sys/kbio.h> 980 #include <dev/kbd/kbdreg.h> 981 982 static int dummy_kbd_configure(int flags); 983 984 keyboard_switch_t bcmdummysw; 985 986 static int 987 dummy_kbd_configure(int flags) 988 { 989 990 return (0); 991 } 992 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); 993