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/intr.h> 57 58 #include <dev/fdt/fdt_common.h> 59 #include <dev/ofw/ofw_bus.h> 60 #include <dev/ofw/ofw_bus_subr.h> 61 62 #include <dev/fb/fbreg.h> 63 #include <dev/syscons/syscons.h> 64 65 #include <arm/broadcom/bcm2835/bcm2835_mbox.h> 66 #include <arm/broadcom/bcm2835/bcm2835_vcbus.h> 67 68 #include "mbox_if.h" 69 70 #define BCMFB_FONT_HEIGHT 16 71 72 struct argb { 73 uint8_t a; 74 uint8_t r; 75 uint8_t g; 76 uint8_t b; 77 }; 78 79 static struct argb bcmfb_palette[16] = { 80 {0x00, 0x00, 0x00, 0x00}, 81 {0x00, 0x00, 0x00, 0xaa}, 82 {0x00, 0x00, 0xaa, 0x00}, 83 {0x00, 0x00, 0xaa, 0xaa}, 84 {0x00, 0xaa, 0x00, 0x00}, 85 {0x00, 0xaa, 0x00, 0xaa}, 86 {0x00, 0xaa, 0x55, 0x00}, 87 {0x00, 0xaa, 0xaa, 0xaa}, 88 {0x00, 0x55, 0x55, 0x55}, 89 {0x00, 0x55, 0x55, 0xff}, 90 {0x00, 0x55, 0xff, 0x55}, 91 {0x00, 0x55, 0xff, 0xff}, 92 {0x00, 0xff, 0x55, 0x55}, 93 {0x00, 0xff, 0x55, 0xff}, 94 {0x00, 0xff, 0xff, 0x55}, 95 {0x00, 0xff, 0xff, 0xff} 96 }; 97 98 /* mouse pointer from dev/syscons/scgfbrndr.c */ 99 static u_char mouse_pointer[16] = { 100 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 101 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 102 }; 103 104 #define FB_WIDTH 640 105 #define FB_HEIGHT 480 106 #define FB_DEPTH 24 107 108 struct bcm_fb_config { 109 uint32_t xres; 110 uint32_t yres; 111 uint32_t vxres; 112 uint32_t vyres; 113 uint32_t pitch; 114 uint32_t bpp; 115 uint32_t xoffset; 116 uint32_t yoffset; 117 /* Filled by videocore */ 118 uint32_t base; 119 uint32_t screen_size; 120 }; 121 122 struct bcmsc_softc { 123 device_t dev; 124 struct cdev * cdev; 125 struct mtx mtx; 126 bus_dma_tag_t dma_tag; 127 bus_dmamap_t dma_map; 128 struct bcm_fb_config* fb_config; 129 bus_addr_t fb_config_phys; 130 struct intr_config_hook init_hook; 131 132 }; 133 134 struct video_adapter_softc { 135 /* Videoadpater part */ 136 video_adapter_t va; 137 int console; 138 139 intptr_t fb_addr; 140 intptr_t fb_paddr; 141 unsigned int fb_size; 142 143 unsigned int height; 144 unsigned int width; 145 unsigned int depth; 146 unsigned int stride; 147 148 unsigned int xmargin; 149 unsigned int ymargin; 150 151 unsigned char *font; 152 int initialized; 153 }; 154 155 static struct bcmsc_softc *bcmsc_softc; 156 static struct video_adapter_softc va_softc; 157 158 #define bcm_fb_lock(_sc) mtx_lock(&(_sc)->mtx) 159 #define bcm_fb_unlock(_sc) mtx_unlock(&(_sc)->mtx) 160 #define bcm_fb_lock_assert(sc) mtx_assert(&(_sc)->mtx, MA_OWNED) 161 162 static int bcm_fb_probe(device_t); 163 static int bcm_fb_attach(device_t); 164 static void bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err); 165 static void bcmfb_update_margins(video_adapter_t *adp); 166 static int bcmfb_configure(int); 167 168 static void 169 bcm_fb_init(void *arg) 170 { 171 struct bcmsc_softc *sc = arg; 172 struct video_adapter_softc *va_sc = &va_softc; 173 int err; 174 volatile struct bcm_fb_config* fb_config = sc->fb_config; 175 phandle_t node; 176 pcell_t cell; 177 device_t mbox; 178 179 node = ofw_bus_get_node(sc->dev); 180 181 fb_config->xres = 0; 182 fb_config->yres = 0; 183 fb_config->bpp = 0; 184 185 if ((OF_getprop(node, "broadcom,width", &cell, sizeof(cell))) > 0) 186 fb_config->xres = (int)fdt32_to_cpu(cell); 187 if (fb_config->xres == 0) 188 fb_config->xres = FB_WIDTH; 189 190 if ((OF_getprop(node, "broadcom,height", &cell, sizeof(cell))) > 0) 191 fb_config->yres = (uint32_t)fdt32_to_cpu(cell); 192 if (fb_config->yres == 0) 193 fb_config->yres = FB_HEIGHT; 194 195 if ((OF_getprop(node, "broadcom,depth", &cell, sizeof(cell))) > 0) 196 fb_config->bpp = (uint32_t)fdt32_to_cpu(cell); 197 if (fb_config->bpp == 0) 198 fb_config->bpp = FB_DEPTH; 199 200 fb_config->vxres = 0; 201 fb_config->vyres = 0; 202 fb_config->xoffset = 0; 203 fb_config->yoffset = 0; 204 fb_config->base = 0; 205 fb_config->pitch = 0; 206 fb_config->screen_size = 0; 207 208 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 209 BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); 210 211 mbox = devclass_get_device(devclass_find("mbox"), 0); 212 if (mbox) { 213 MBOX_WRITE(mbox, BCM2835_MBOX_CHAN_FB, sc->fb_config_phys); 214 MBOX_READ(mbox, BCM2835_MBOX_CHAN_FB, &err); 215 } 216 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 217 BUS_DMASYNC_POSTREAD); 218 219 if (fb_config->base != 0) { 220 device_printf(sc->dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", 221 fb_config->xres, fb_config->yres, 222 fb_config->vxres, fb_config->vyres, 223 fb_config->xoffset, fb_config->yoffset, 224 fb_config->bpp); 225 226 227 device_printf(sc->dev, "pitch %d, base 0x%08x, screen_size %d\n", 228 fb_config->pitch, fb_config->base, 229 fb_config->screen_size); 230 231 va_sc->fb_addr = (intptr_t)pmap_mapdev(fb_config->base, fb_config->screen_size); 232 va_sc->fb_paddr = fb_config->base; 233 va_sc->fb_size = fb_config->screen_size; 234 va_sc->depth = fb_config->bpp; 235 va_sc->stride = fb_config->pitch; 236 237 va_sc->width = fb_config->xres; 238 va_sc->height = fb_config->yres; 239 bcmfb_update_margins(&va_sc->va); 240 } 241 else { 242 device_printf(sc->dev, "Failed to set framebuffer info\n"); 243 } 244 245 config_intrhook_disestablish(&sc->init_hook); 246 } 247 248 static int 249 bcm_fb_probe(device_t dev) 250 { 251 int error = 0; 252 253 if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-fb")) 254 return (ENXIO); 255 256 device_set_desc(dev, "BCM2835 framebuffer device"); 257 258 error = sc_probe_unit(device_get_unit(dev), 259 device_get_flags(dev) | SC_AUTODETECT_KBD); 260 if (error != 0) 261 return (error); 262 263 264 return (BUS_PROBE_DEFAULT); 265 } 266 267 static int 268 bcm_fb_attach(device_t dev) 269 { 270 struct bcmsc_softc *sc = device_get_softc(dev); 271 int dma_size = sizeof(struct bcm_fb_config); 272 int err; 273 274 if (bcmsc_softc) 275 return (ENXIO); 276 277 bcmsc_softc = sc; 278 279 sc->dev = dev; 280 mtx_init(&sc->mtx, "bcm2835fb", "fb", MTX_DEF); 281 282 err = bus_dma_tag_create( 283 bus_get_dma_tag(sc->dev), 284 PAGE_SIZE, 0, /* alignment, boundary */ 285 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 286 BUS_SPACE_MAXADDR, /* highaddr */ 287 NULL, NULL, /* filter, filterarg */ 288 dma_size, 1, /* maxsize, nsegments */ 289 dma_size, 0, /* maxsegsize, flags */ 290 NULL, NULL, /* lockfunc, lockarg */ 291 &sc->dma_tag); 292 293 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_config, 294 0, &sc->dma_map); 295 if (err) { 296 device_printf(dev, "cannot allocate framebuffer\n"); 297 goto fail; 298 } 299 300 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_config, 301 dma_size, bcm_fb_dmamap_cb, &sc->fb_config_phys, BUS_DMA_NOWAIT); 302 303 if (err) { 304 device_printf(dev, "cannot load DMA map\n"); 305 goto fail; 306 } 307 308 err = (sc_attach_unit(device_get_unit(dev), 309 device_get_flags(dev) | SC_AUTODETECT_KBD)); 310 311 if (err) { 312 device_printf(dev, "failed to attach syscons\n"); 313 goto fail; 314 } 315 316 /* 317 * We have to wait until interrupts are enabled. 318 * Mailbox relies on it to get data from VideoCore 319 */ 320 sc->init_hook.ich_func = bcm_fb_init; 321 sc->init_hook.ich_arg = sc; 322 323 if (config_intrhook_establish(&sc->init_hook) != 0) { 324 device_printf(dev, "failed to establish intrhook\n"); 325 return (ENOMEM); 326 } 327 328 return (0); 329 330 fail: 331 return (ENXIO); 332 } 333 334 335 static void 336 bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) 337 { 338 bus_addr_t *addr; 339 340 if (err) 341 return; 342 343 addr = (bus_addr_t*)arg; 344 *addr = PHYS_TO_VCBUS(segs[0].ds_addr); 345 } 346 347 static device_method_t bcm_fb_methods[] = { 348 /* Device interface */ 349 DEVMETHOD(device_probe, bcm_fb_probe), 350 DEVMETHOD(device_attach, bcm_fb_attach), 351 352 { 0, 0 } 353 }; 354 355 static devclass_t bcm_fb_devclass; 356 357 static driver_t bcm_fb_driver = { 358 "fb", 359 bcm_fb_methods, 360 sizeof(struct bcmsc_softc), 361 }; 362 363 DRIVER_MODULE(bcm2835fb, ofwbus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 364 365 /* 366 * Video driver routines and glue. 367 */ 368 static vi_probe_t bcmfb_probe; 369 static vi_init_t bcmfb_init; 370 static vi_get_info_t bcmfb_get_info; 371 static vi_query_mode_t bcmfb_query_mode; 372 static vi_set_mode_t bcmfb_set_mode; 373 static vi_save_font_t bcmfb_save_font; 374 static vi_load_font_t bcmfb_load_font; 375 static vi_show_font_t bcmfb_show_font; 376 static vi_save_palette_t bcmfb_save_palette; 377 static vi_load_palette_t bcmfb_load_palette; 378 static vi_set_border_t bcmfb_set_border; 379 static vi_save_state_t bcmfb_save_state; 380 static vi_load_state_t bcmfb_load_state; 381 static vi_set_win_org_t bcmfb_set_win_org; 382 static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 383 static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 384 static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 385 static vi_blank_display_t bcmfb_blank_display; 386 static vi_mmap_t bcmfb_mmap; 387 static vi_ioctl_t bcmfb_ioctl; 388 static vi_clear_t bcmfb_clear; 389 static vi_fill_rect_t bcmfb_fill_rect; 390 static vi_bitblt_t bcmfb_bitblt; 391 static vi_diag_t bcmfb_diag; 392 static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 393 static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 394 static vi_copy_t bcmfb_copy; 395 static vi_putp_t bcmfb_putp; 396 static vi_putc_t bcmfb_putc; 397 static vi_puts_t bcmfb_puts; 398 static vi_putm_t bcmfb_putm; 399 400 static video_switch_t bcmfbvidsw = { 401 .probe = bcmfb_probe, 402 .init = bcmfb_init, 403 .get_info = bcmfb_get_info, 404 .query_mode = bcmfb_query_mode, 405 .set_mode = bcmfb_set_mode, 406 .save_font = bcmfb_save_font, 407 .load_font = bcmfb_load_font, 408 .show_font = bcmfb_show_font, 409 .save_palette = bcmfb_save_palette, 410 .load_palette = bcmfb_load_palette, 411 .set_border = bcmfb_set_border, 412 .save_state = bcmfb_save_state, 413 .load_state = bcmfb_load_state, 414 .set_win_org = bcmfb_set_win_org, 415 .read_hw_cursor = bcmfb_read_hw_cursor, 416 .set_hw_cursor = bcmfb_set_hw_cursor, 417 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 418 .blank_display = bcmfb_blank_display, 419 .mmap = bcmfb_mmap, 420 .ioctl = bcmfb_ioctl, 421 .clear = bcmfb_clear, 422 .fill_rect = bcmfb_fill_rect, 423 .bitblt = bcmfb_bitblt, 424 .diag = bcmfb_diag, 425 .save_cursor_palette = bcmfb_save_cursor_palette, 426 .load_cursor_palette = bcmfb_load_cursor_palette, 427 .copy = bcmfb_copy, 428 .putp = bcmfb_putp, 429 .putc = bcmfb_putc, 430 .puts = bcmfb_puts, 431 .putm = bcmfb_putm, 432 }; 433 434 VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 435 436 static vr_init_t bcmrend_init; 437 static vr_clear_t bcmrend_clear; 438 static vr_draw_border_t bcmrend_draw_border; 439 static vr_draw_t bcmrend_draw; 440 static vr_set_cursor_t bcmrend_set_cursor; 441 static vr_draw_cursor_t bcmrend_draw_cursor; 442 static vr_blink_cursor_t bcmrend_blink_cursor; 443 static vr_set_mouse_t bcmrend_set_mouse; 444 static vr_draw_mouse_t bcmrend_draw_mouse; 445 446 /* 447 * We use our own renderer; this is because we must emulate a hardware 448 * cursor. 449 */ 450 static sc_rndr_sw_t bcmrend = { 451 bcmrend_init, 452 bcmrend_clear, 453 bcmrend_draw_border, 454 bcmrend_draw, 455 bcmrend_set_cursor, 456 bcmrend_draw_cursor, 457 bcmrend_blink_cursor, 458 bcmrend_set_mouse, 459 bcmrend_draw_mouse 460 }; 461 462 RENDERER(bcmfb, 0, bcmrend, gfb_set); 463 RENDERER_MODULE(bcmfb, gfb_set); 464 465 static void 466 bcmrend_init(scr_stat* scp) 467 { 468 } 469 470 static void 471 bcmrend_clear(scr_stat* scp, int c, int attr) 472 { 473 } 474 475 static void 476 bcmrend_draw_border(scr_stat* scp, int color) 477 { 478 } 479 480 static void 481 bcmrend_draw(scr_stat* scp, int from, int count, int flip) 482 { 483 video_adapter_t* adp = scp->sc->adp; 484 int i, c, a; 485 486 if (!flip) { 487 /* Normal printing */ 488 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 489 } else { 490 /* This is for selections and such: invert the color attribute */ 491 for (i = count; i-- > 0; ++from) { 492 c = sc_vtb_getc(&scp->vtb, from); 493 a = sc_vtb_geta(&scp->vtb, from) >> 8; 494 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 495 } 496 } 497 } 498 499 static void 500 bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 501 { 502 } 503 504 static void 505 bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 506 { 507 video_adapter_t* adp = scp->sc->adp; 508 struct video_adapter_softc *sc; 509 int row, col; 510 uint8_t *addr; 511 int i, j, bytes; 512 513 sc = (struct video_adapter_softc *)adp; 514 515 if (scp->curs_attr.height <= 0) 516 return; 517 518 if (sc->fb_addr == 0) 519 return; 520 521 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 522 return; 523 524 /* calculate the coordinates in the video buffer */ 525 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 526 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 527 528 addr = (uint8_t *)sc->fb_addr 529 + (row + sc->ymargin)*(sc->stride) 530 + (sc->depth/8) * (col + sc->xmargin); 531 532 bytes = sc->depth/8; 533 534 /* our cursor consists of simply inverting the char under it */ 535 for (i = 0; i < adp->va_info.vi_cheight; i++) { 536 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 537 switch (sc->depth) { 538 case 32: 539 case 24: 540 addr[bytes*j + 2] ^= 0xff; 541 /* FALLTHROUGH */ 542 case 16: 543 addr[bytes*j + 1] ^= 0xff; 544 addr[bytes*j] ^= 0xff; 545 break; 546 default: 547 break; 548 } 549 } 550 551 addr += sc->stride; 552 } 553 } 554 555 static void 556 bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 557 { 558 } 559 560 static void 561 bcmrend_set_mouse(scr_stat* scp) 562 { 563 } 564 565 static void 566 bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 567 { 568 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 569 } 570 571 static uint16_t bcmfb_static_window[ROW*COL]; 572 extern u_char dflt_font_16[]; 573 574 /* 575 * Update videoadapter settings after changing resolution 576 */ 577 static void 578 bcmfb_update_margins(video_adapter_t *adp) 579 { 580 struct video_adapter_softc *sc; 581 video_info_t *vi; 582 583 sc = (struct video_adapter_softc *)adp; 584 vi = &adp->va_info; 585 586 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 587 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 588 } 589 590 static int 591 bcmfb_configure(int flags) 592 { 593 struct video_adapter_softc *va_sc; 594 595 va_sc = &va_softc; 596 phandle_t display, root; 597 pcell_t cell; 598 599 if (va_sc->initialized) 600 return (0); 601 602 va_sc->width = 0; 603 va_sc->height = 0; 604 605 /* 606 * It seems there is no way to let syscons framework know 607 * that framebuffer resolution has changed. So just try 608 * to fetch data from FDT and go with defaults if failed 609 */ 610 root = OF_finddevice("/"); 611 if ((root != 0) && 612 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 613 if ((OF_getprop(display, "broadcom,width", 614 &cell, sizeof(cell))) > 0) 615 va_sc->width = (int)fdt32_to_cpu(cell); 616 617 if ((OF_getprop(display, "broadcom,height", 618 &cell, sizeof(cell))) > 0) 619 va_sc->height = (int)fdt32_to_cpu(cell); 620 } 621 622 if (va_sc->width == 0) 623 va_sc->width = FB_WIDTH; 624 if (va_sc->height == 0) 625 va_sc->height = FB_HEIGHT; 626 627 bcmfb_init(0, &va_sc->va, 0); 628 629 va_sc->initialized = 1; 630 631 return (0); 632 } 633 634 static int 635 bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 636 { 637 638 return (0); 639 } 640 641 static int 642 bcmfb_init(int unit, video_adapter_t *adp, int flags) 643 { 644 struct video_adapter_softc *sc; 645 video_info_t *vi; 646 647 sc = (struct video_adapter_softc *)adp; 648 vi = &adp->va_info; 649 650 vid_init_struct(adp, "bcmfb", -1, unit); 651 652 sc->font = dflt_font_16; 653 vi->vi_cheight = BCMFB_FONT_HEIGHT; 654 vi->vi_cwidth = 8; 655 656 vi->vi_width = sc->width/8; 657 vi->vi_height = sc->height/vi->vi_cheight; 658 659 /* 660 * Clamp width/height to syscons maximums 661 */ 662 if (vi->vi_width > COL) 663 vi->vi_width = COL; 664 if (vi->vi_height > ROW) 665 vi->vi_height = ROW; 666 667 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 668 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 669 670 671 adp->va_window = (vm_offset_t) bcmfb_static_window; 672 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 673 674 vid_register(&sc->va); 675 676 return (0); 677 } 678 679 static int 680 bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 681 { 682 bcopy(&adp->va_info, info, sizeof(*info)); 683 return (0); 684 } 685 686 static int 687 bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 688 { 689 return (0); 690 } 691 692 static int 693 bcmfb_set_mode(video_adapter_t *adp, int mode) 694 { 695 return (0); 696 } 697 698 static int 699 bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 700 u_char *data, int c, int count) 701 { 702 return (0); 703 } 704 705 static int 706 bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 707 u_char *data, int c, int count) 708 { 709 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 710 711 sc->font = data; 712 713 return (0); 714 } 715 716 static int 717 bcmfb_show_font(video_adapter_t *adp, int page) 718 { 719 return (0); 720 } 721 722 static int 723 bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 724 { 725 return (0); 726 } 727 728 static int 729 bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 730 { 731 return (0); 732 } 733 734 static int 735 bcmfb_set_border(video_adapter_t *adp, int border) 736 { 737 return (bcmfb_blank_display(adp, border)); 738 } 739 740 static int 741 bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 742 { 743 return (0); 744 } 745 746 static int 747 bcmfb_load_state(video_adapter_t *adp, void *p) 748 { 749 return (0); 750 } 751 752 static int 753 bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 754 { 755 return (0); 756 } 757 758 static int 759 bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 760 { 761 *col = *row = 0; 762 763 return (0); 764 } 765 766 static int 767 bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 768 { 769 return (0); 770 } 771 772 static int 773 bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 774 int celsize, int blink) 775 { 776 return (0); 777 } 778 779 static int 780 bcmfb_blank_display(video_adapter_t *adp, int mode) 781 { 782 783 struct video_adapter_softc *sc; 784 785 sc = (struct video_adapter_softc *)adp; 786 if (sc && sc->fb_addr) 787 memset((void*)sc->fb_addr, 0, sc->fb_size); 788 789 return (0); 790 } 791 792 static int 793 bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 794 int prot, vm_memattr_t *memattr) 795 { 796 struct video_adapter_softc *sc; 797 798 sc = (struct video_adapter_softc *)adp; 799 800 /* 801 * This might be a legacy VGA mem request: if so, just point it at the 802 * framebuffer, since it shouldn't be touched 803 */ 804 if (offset < sc->stride*sc->height) { 805 *paddr = sc->fb_paddr + offset; 806 return (0); 807 } 808 809 return (EINVAL); 810 } 811 812 static int 813 bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 814 { 815 struct video_adapter_softc *sc; 816 struct fbtype *fb; 817 818 sc = (struct video_adapter_softc *)adp; 819 820 switch (cmd) { 821 case FBIOGTYPE: 822 fb = (struct fbtype *)data; 823 fb->fb_type = FBTYPE_PCIMISC; 824 fb->fb_height = sc->height; 825 fb->fb_width = sc->width; 826 fb->fb_depth = sc->depth; 827 if (sc->depth <= 1 || sc->depth > 8) 828 fb->fb_cmsize = 0; 829 else 830 fb->fb_cmsize = 1 << sc->depth; 831 fb->fb_size = sc->fb_size; 832 break; 833 default: 834 return (fb_commonioctl(adp, cmd, data)); 835 } 836 837 return (0); 838 } 839 840 static int 841 bcmfb_clear(video_adapter_t *adp) 842 { 843 844 return (bcmfb_blank_display(adp, 0)); 845 } 846 847 static int 848 bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 849 { 850 851 return (0); 852 } 853 854 static int 855 bcmfb_bitblt(video_adapter_t *adp, ...) 856 { 857 858 return (0); 859 } 860 861 static int 862 bcmfb_diag(video_adapter_t *adp, int level) 863 { 864 865 return (0); 866 } 867 868 static int 869 bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 870 { 871 872 return (0); 873 } 874 875 static int 876 bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 877 { 878 879 return (0); 880 } 881 882 static int 883 bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 884 { 885 886 return (0); 887 } 888 889 static int 890 bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 891 int size, int bpp, int bit_ltor, int byte_ltor) 892 { 893 894 return (0); 895 } 896 897 static int 898 bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 899 { 900 struct video_adapter_softc *sc; 901 int row; 902 int col; 903 int i, j, k; 904 uint8_t *addr; 905 u_char *p; 906 uint8_t fg, bg, color; 907 uint16_t rgb; 908 909 sc = (struct video_adapter_softc *)adp; 910 911 if (sc->fb_addr == 0) 912 return (0); 913 914 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 915 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 916 p = sc->font + c*BCMFB_FONT_HEIGHT; 917 addr = (uint8_t *)sc->fb_addr 918 + (row + sc->ymargin)*(sc->stride) 919 + (sc->depth/8) * (col + sc->xmargin); 920 921 fg = a & 0xf ; 922 bg = (a >> 4) & 0xf; 923 924 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 925 for (j = 0, k = 7; j < 8; j++, k--) { 926 if ((p[i] & (1 << k)) == 0) 927 color = bg; 928 else 929 color = fg; 930 931 switch (sc->depth) { 932 case 32: 933 addr[4*j+0] = bcmfb_palette[color].r; 934 addr[4*j+1] = bcmfb_palette[color].g; 935 addr[4*j+2] = bcmfb_palette[color].b; 936 addr[4*j+3] = bcmfb_palette[color].a; 937 break; 938 case 24: 939 addr[3*j] = bcmfb_palette[color].r; 940 addr[3*j+1] = bcmfb_palette[color].g; 941 addr[3*j+2] = bcmfb_palette[color].b; 942 break; 943 case 16: 944 rgb = (bcmfb_palette[color].r >> 3) << 11; 945 rgb |= (bcmfb_palette[color].g >> 2) << 5; 946 rgb |= (bcmfb_palette[color].b >> 3); 947 addr[2*j] = rgb & 0xff; 948 addr[2*j + 1] = (rgb >> 8) & 0xff; 949 default: 950 /* Not supported yet */ 951 break; 952 } 953 } 954 955 addr += (sc->stride); 956 } 957 958 return (0); 959 } 960 961 static int 962 bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 963 { 964 int i; 965 966 for (i = 0; i < len; i++) 967 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 968 969 return (0); 970 } 971 972 static int 973 bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 974 uint32_t pixel_mask, int size, int width) 975 { 976 977 return (0); 978 } 979 980 /* 981 * Define a stub keyboard driver in case one hasn't been 982 * compiled into the kernel 983 */ 984 #include <sys/kbio.h> 985 #include <dev/kbd/kbdreg.h> 986 987 static int dummy_kbd_configure(int flags); 988 989 keyboard_switch_t bcmdummysw; 990 991 static int 992 dummy_kbd_configure(int flags) 993 { 994 995 return (0); 996 } 997 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); 998