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 return; 244 } 245 246 config_intrhook_disestablish(&sc->init_hook); 247 } 248 249 static int 250 bcm_fb_probe(device_t dev) 251 { 252 int error = 0; 253 254 if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-fb")) 255 return (ENXIO); 256 257 device_set_desc(dev, "BCM2835 framebuffer device"); 258 259 error = sc_probe_unit(device_get_unit(dev), 260 device_get_flags(dev) | SC_AUTODETECT_KBD); 261 if (error != 0) 262 return (error); 263 264 265 return (BUS_PROBE_DEFAULT); 266 } 267 268 static int 269 bcm_fb_attach(device_t dev) 270 { 271 struct bcmsc_softc *sc = device_get_softc(dev); 272 int dma_size = sizeof(struct bcm_fb_config); 273 int err; 274 275 if (bcmsc_softc) 276 return (ENXIO); 277 278 bcmsc_softc = sc; 279 280 sc->dev = dev; 281 mtx_init(&sc->mtx, "bcm2835fb", "fb", MTX_DEF); 282 283 err = bus_dma_tag_create( 284 bus_get_dma_tag(sc->dev), 285 PAGE_SIZE, 0, /* alignment, boundary */ 286 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 287 BUS_SPACE_MAXADDR, /* highaddr */ 288 NULL, NULL, /* filter, filterarg */ 289 dma_size, 1, /* maxsize, nsegments */ 290 dma_size, 0, /* maxsegsize, flags */ 291 NULL, NULL, /* lockfunc, lockarg */ 292 &sc->dma_tag); 293 294 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_config, 295 0, &sc->dma_map); 296 if (err) { 297 device_printf(dev, "cannot allocate framebuffer\n"); 298 goto fail; 299 } 300 301 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_config, 302 dma_size, bcm_fb_dmamap_cb, &sc->fb_config_phys, BUS_DMA_NOWAIT); 303 304 if (err) { 305 device_printf(dev, "cannot load DMA map\n"); 306 goto fail; 307 } 308 309 err = (sc_attach_unit(device_get_unit(dev), 310 device_get_flags(dev) | SC_AUTODETECT_KBD)); 311 312 if (err) { 313 device_printf(dev, "failed to attach syscons\n"); 314 goto fail; 315 } 316 317 /* 318 * We have to wait until interrupts are enabled. 319 * Mailbox relies on it to get data from VideoCore 320 */ 321 sc->init_hook.ich_func = bcm_fb_init; 322 sc->init_hook.ich_arg = sc; 323 324 if (config_intrhook_establish(&sc->init_hook) != 0) { 325 device_printf(dev, "failed to establish intrhook\n"); 326 return (ENOMEM); 327 } 328 329 return (0); 330 331 fail: 332 return (ENXIO); 333 } 334 335 336 static void 337 bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) 338 { 339 bus_addr_t *addr; 340 341 if (err) 342 return; 343 344 addr = (bus_addr_t*)arg; 345 *addr = PHYS_TO_VCBUS(segs[0].ds_addr); 346 } 347 348 static device_method_t bcm_fb_methods[] = { 349 /* Device interface */ 350 DEVMETHOD(device_probe, bcm_fb_probe), 351 DEVMETHOD(device_attach, bcm_fb_attach), 352 353 { 0, 0 } 354 }; 355 356 static devclass_t bcm_fb_devclass; 357 358 static driver_t bcm_fb_driver = { 359 "fb", 360 bcm_fb_methods, 361 sizeof(struct bcmsc_softc), 362 }; 363 364 DRIVER_MODULE(bcm2835fb, ofwbus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 365 366 /* 367 * Video driver routines and glue. 368 */ 369 static vi_probe_t bcmfb_probe; 370 static vi_init_t bcmfb_init; 371 static vi_get_info_t bcmfb_get_info; 372 static vi_query_mode_t bcmfb_query_mode; 373 static vi_set_mode_t bcmfb_set_mode; 374 static vi_save_font_t bcmfb_save_font; 375 static vi_load_font_t bcmfb_load_font; 376 static vi_show_font_t bcmfb_show_font; 377 static vi_save_palette_t bcmfb_save_palette; 378 static vi_load_palette_t bcmfb_load_palette; 379 static vi_set_border_t bcmfb_set_border; 380 static vi_save_state_t bcmfb_save_state; 381 static vi_load_state_t bcmfb_load_state; 382 static vi_set_win_org_t bcmfb_set_win_org; 383 static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 384 static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 385 static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 386 static vi_blank_display_t bcmfb_blank_display; 387 static vi_mmap_t bcmfb_mmap; 388 static vi_ioctl_t bcmfb_ioctl; 389 static vi_clear_t bcmfb_clear; 390 static vi_fill_rect_t bcmfb_fill_rect; 391 static vi_bitblt_t bcmfb_bitblt; 392 static vi_diag_t bcmfb_diag; 393 static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 394 static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 395 static vi_copy_t bcmfb_copy; 396 static vi_putp_t bcmfb_putp; 397 static vi_putc_t bcmfb_putc; 398 static vi_puts_t bcmfb_puts; 399 static vi_putm_t bcmfb_putm; 400 401 static video_switch_t bcmfbvidsw = { 402 .probe = bcmfb_probe, 403 .init = bcmfb_init, 404 .get_info = bcmfb_get_info, 405 .query_mode = bcmfb_query_mode, 406 .set_mode = bcmfb_set_mode, 407 .save_font = bcmfb_save_font, 408 .load_font = bcmfb_load_font, 409 .show_font = bcmfb_show_font, 410 .save_palette = bcmfb_save_palette, 411 .load_palette = bcmfb_load_palette, 412 .set_border = bcmfb_set_border, 413 .save_state = bcmfb_save_state, 414 .load_state = bcmfb_load_state, 415 .set_win_org = bcmfb_set_win_org, 416 .read_hw_cursor = bcmfb_read_hw_cursor, 417 .set_hw_cursor = bcmfb_set_hw_cursor, 418 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 419 .blank_display = bcmfb_blank_display, 420 .mmap = bcmfb_mmap, 421 .ioctl = bcmfb_ioctl, 422 .clear = bcmfb_clear, 423 .fill_rect = bcmfb_fill_rect, 424 .bitblt = bcmfb_bitblt, 425 .diag = bcmfb_diag, 426 .save_cursor_palette = bcmfb_save_cursor_palette, 427 .load_cursor_palette = bcmfb_load_cursor_palette, 428 .copy = bcmfb_copy, 429 .putp = bcmfb_putp, 430 .putc = bcmfb_putc, 431 .puts = bcmfb_puts, 432 .putm = bcmfb_putm, 433 }; 434 435 VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 436 437 static vr_init_t bcmrend_init; 438 static vr_clear_t bcmrend_clear; 439 static vr_draw_border_t bcmrend_draw_border; 440 static vr_draw_t bcmrend_draw; 441 static vr_set_cursor_t bcmrend_set_cursor; 442 static vr_draw_cursor_t bcmrend_draw_cursor; 443 static vr_blink_cursor_t bcmrend_blink_cursor; 444 static vr_set_mouse_t bcmrend_set_mouse; 445 static vr_draw_mouse_t bcmrend_draw_mouse; 446 447 /* 448 * We use our own renderer; this is because we must emulate a hardware 449 * cursor. 450 */ 451 static sc_rndr_sw_t bcmrend = { 452 bcmrend_init, 453 bcmrend_clear, 454 bcmrend_draw_border, 455 bcmrend_draw, 456 bcmrend_set_cursor, 457 bcmrend_draw_cursor, 458 bcmrend_blink_cursor, 459 bcmrend_set_mouse, 460 bcmrend_draw_mouse 461 }; 462 463 RENDERER(bcmfb, 0, bcmrend, gfb_set); 464 RENDERER_MODULE(bcmfb, gfb_set); 465 466 static void 467 bcmrend_init(scr_stat* scp) 468 { 469 } 470 471 static void 472 bcmrend_clear(scr_stat* scp, int c, int attr) 473 { 474 } 475 476 static void 477 bcmrend_draw_border(scr_stat* scp, int color) 478 { 479 } 480 481 static void 482 bcmrend_draw(scr_stat* scp, int from, int count, int flip) 483 { 484 video_adapter_t* adp = scp->sc->adp; 485 int i, c, a; 486 487 if (!flip) { 488 /* Normal printing */ 489 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 490 } else { 491 /* This is for selections and such: invert the color attribute */ 492 for (i = count; i-- > 0; ++from) { 493 c = sc_vtb_getc(&scp->vtb, from); 494 a = sc_vtb_geta(&scp->vtb, from) >> 8; 495 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 496 } 497 } 498 } 499 500 static void 501 bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 502 { 503 } 504 505 static void 506 bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 507 { 508 video_adapter_t* adp = scp->sc->adp; 509 struct video_adapter_softc *sc; 510 int row, col; 511 uint8_t *addr; 512 int i, j, bytes; 513 514 sc = (struct video_adapter_softc *)adp; 515 516 if (scp->curs_attr.height <= 0) 517 return; 518 519 if (sc->fb_addr == 0) 520 return; 521 522 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 523 return; 524 525 /* calculate the coordinates in the video buffer */ 526 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 527 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 528 529 addr = (uint8_t *)sc->fb_addr 530 + (row + sc->ymargin)*(sc->stride) 531 + (sc->depth/8) * (col + sc->xmargin); 532 533 bytes = sc->depth/8; 534 535 /* our cursor consists of simply inverting the char under it */ 536 for (i = 0; i < adp->va_info.vi_cheight; i++) { 537 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 538 switch (sc->depth) { 539 case 32: 540 case 24: 541 addr[bytes*j + 2] ^= 0xff; 542 /* FALLTHROUGH */ 543 case 16: 544 addr[bytes*j + 1] ^= 0xff; 545 addr[bytes*j] ^= 0xff; 546 break; 547 default: 548 break; 549 } 550 } 551 552 addr += sc->stride; 553 } 554 } 555 556 static void 557 bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 558 { 559 } 560 561 static void 562 bcmrend_set_mouse(scr_stat* scp) 563 { 564 } 565 566 static void 567 bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 568 { 569 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 570 } 571 572 static uint16_t bcmfb_static_window[ROW*COL]; 573 extern u_char dflt_font_16[]; 574 575 /* 576 * Update videoadapter settings after changing resolution 577 */ 578 static void 579 bcmfb_update_margins(video_adapter_t *adp) 580 { 581 struct video_adapter_softc *sc; 582 video_info_t *vi; 583 584 sc = (struct video_adapter_softc *)adp; 585 vi = &adp->va_info; 586 587 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 588 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 589 } 590 591 static int 592 bcmfb_configure(int flags) 593 { 594 struct video_adapter_softc *va_sc; 595 596 va_sc = &va_softc; 597 phandle_t display, root; 598 pcell_t cell; 599 600 if (va_sc->initialized) 601 return (0); 602 603 va_sc->width = 0; 604 va_sc->height = 0; 605 606 /* 607 * It seems there is no way to let syscons framework know 608 * that framebuffer resolution has changed. So just try 609 * to fetch data from FDT and go with defaults if failed 610 */ 611 root = OF_finddevice("/"); 612 if ((root != 0) && 613 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 614 if ((OF_getprop(display, "broadcom,width", 615 &cell, sizeof(cell))) > 0) 616 va_sc->width = (int)fdt32_to_cpu(cell); 617 618 if ((OF_getprop(display, "broadcom,height", 619 &cell, sizeof(cell))) > 0) 620 va_sc->height = (int)fdt32_to_cpu(cell); 621 } 622 623 if (va_sc->width == 0) 624 va_sc->width = FB_WIDTH; 625 if (va_sc->height == 0) 626 va_sc->height = FB_HEIGHT; 627 628 bcmfb_init(0, &va_sc->va, 0); 629 630 va_sc->initialized = 1; 631 632 return (0); 633 } 634 635 static int 636 bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 637 { 638 639 return (0); 640 } 641 642 static int 643 bcmfb_init(int unit, video_adapter_t *adp, int flags) 644 { 645 struct video_adapter_softc *sc; 646 video_info_t *vi; 647 648 sc = (struct video_adapter_softc *)adp; 649 vi = &adp->va_info; 650 651 vid_init_struct(adp, "bcmfb", -1, unit); 652 653 sc->font = dflt_font_16; 654 vi->vi_cheight = BCMFB_FONT_HEIGHT; 655 vi->vi_cwidth = 8; 656 657 vi->vi_width = sc->width/8; 658 vi->vi_height = sc->height/vi->vi_cheight; 659 660 /* 661 * Clamp width/height to syscons maximums 662 */ 663 if (vi->vi_width > COL) 664 vi->vi_width = COL; 665 if (vi->vi_height > ROW) 666 vi->vi_height = ROW; 667 668 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 669 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 670 671 672 adp->va_window = (vm_offset_t) bcmfb_static_window; 673 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 674 675 vid_register(&sc->va); 676 677 return (0); 678 } 679 680 static int 681 bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 682 { 683 bcopy(&adp->va_info, info, sizeof(*info)); 684 return (0); 685 } 686 687 static int 688 bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 689 { 690 return (0); 691 } 692 693 static int 694 bcmfb_set_mode(video_adapter_t *adp, int mode) 695 { 696 return (0); 697 } 698 699 static int 700 bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 701 u_char *data, int c, int count) 702 { 703 return (0); 704 } 705 706 static int 707 bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 708 u_char *data, int c, int count) 709 { 710 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 711 712 sc->font = data; 713 714 return (0); 715 } 716 717 static int 718 bcmfb_show_font(video_adapter_t *adp, int page) 719 { 720 return (0); 721 } 722 723 static int 724 bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 725 { 726 return (0); 727 } 728 729 static int 730 bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 731 { 732 return (0); 733 } 734 735 static int 736 bcmfb_set_border(video_adapter_t *adp, int border) 737 { 738 return (bcmfb_blank_display(adp, border)); 739 } 740 741 static int 742 bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 743 { 744 return (0); 745 } 746 747 static int 748 bcmfb_load_state(video_adapter_t *adp, void *p) 749 { 750 return (0); 751 } 752 753 static int 754 bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 755 { 756 return (0); 757 } 758 759 static int 760 bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 761 { 762 *col = *row = 0; 763 764 return (0); 765 } 766 767 static int 768 bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 769 { 770 return (0); 771 } 772 773 static int 774 bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 775 int celsize, int blink) 776 { 777 return (0); 778 } 779 780 static int 781 bcmfb_blank_display(video_adapter_t *adp, int mode) 782 { 783 784 struct video_adapter_softc *sc; 785 786 sc = (struct video_adapter_softc *)adp; 787 if (sc && sc->fb_addr) 788 memset((void*)sc->fb_addr, 0, sc->fb_size); 789 790 return (0); 791 } 792 793 static int 794 bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 795 int prot, vm_memattr_t *memattr) 796 { 797 struct video_adapter_softc *sc; 798 799 sc = (struct video_adapter_softc *)adp; 800 801 /* 802 * This might be a legacy VGA mem request: if so, just point it at the 803 * framebuffer, since it shouldn't be touched 804 */ 805 if (offset < sc->stride*sc->height) { 806 *paddr = sc->fb_paddr + offset; 807 return (0); 808 } 809 810 return (EINVAL); 811 } 812 813 static int 814 bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 815 { 816 struct video_adapter_softc *sc; 817 struct fbtype *fb; 818 819 sc = (struct video_adapter_softc *)adp; 820 821 switch (cmd) { 822 case FBIOGTYPE: 823 fb = (struct fbtype *)data; 824 fb->fb_type = FBTYPE_PCIMISC; 825 fb->fb_height = sc->height; 826 fb->fb_width = sc->width; 827 fb->fb_depth = sc->depth; 828 if (sc->depth <= 1 || sc->depth > 8) 829 fb->fb_cmsize = 0; 830 else 831 fb->fb_cmsize = 1 << sc->depth; 832 fb->fb_size = sc->fb_size; 833 break; 834 default: 835 return (fb_commonioctl(adp, cmd, data)); 836 } 837 838 return (0); 839 } 840 841 static int 842 bcmfb_clear(video_adapter_t *adp) 843 { 844 845 return (bcmfb_blank_display(adp, 0)); 846 } 847 848 static int 849 bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 850 { 851 852 return (0); 853 } 854 855 static int 856 bcmfb_bitblt(video_adapter_t *adp, ...) 857 { 858 859 return (0); 860 } 861 862 static int 863 bcmfb_diag(video_adapter_t *adp, int level) 864 { 865 866 return (0); 867 } 868 869 static int 870 bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 871 { 872 873 return (0); 874 } 875 876 static int 877 bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 878 { 879 880 return (0); 881 } 882 883 static int 884 bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 885 { 886 887 return (0); 888 } 889 890 static int 891 bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 892 int size, int bpp, int bit_ltor, int byte_ltor) 893 { 894 895 return (0); 896 } 897 898 static int 899 bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 900 { 901 struct video_adapter_softc *sc; 902 int row; 903 int col; 904 int i, j, k; 905 uint8_t *addr; 906 u_char *p; 907 uint8_t fg, bg, color; 908 uint16_t rgb; 909 910 sc = (struct video_adapter_softc *)adp; 911 912 if (sc->fb_addr == 0) 913 return (0); 914 915 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 916 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 917 p = sc->font + c*BCMFB_FONT_HEIGHT; 918 addr = (uint8_t *)sc->fb_addr 919 + (row + sc->ymargin)*(sc->stride) 920 + (sc->depth/8) * (col + sc->xmargin); 921 922 fg = a & 0xf ; 923 bg = (a >> 4) & 0xf; 924 925 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 926 for (j = 0, k = 7; j < 8; j++, k--) { 927 if ((p[i] & (1 << k)) == 0) 928 color = bg; 929 else 930 color = fg; 931 932 switch (sc->depth) { 933 case 32: 934 addr[4*j+0] = bcmfb_palette[color].r; 935 addr[4*j+1] = bcmfb_palette[color].g; 936 addr[4*j+2] = bcmfb_palette[color].b; 937 addr[4*j+3] = bcmfb_palette[color].a; 938 break; 939 case 24: 940 addr[3*j] = bcmfb_palette[color].r; 941 addr[3*j+1] = bcmfb_palette[color].g; 942 addr[3*j+2] = bcmfb_palette[color].b; 943 break; 944 case 16: 945 rgb = (bcmfb_palette[color].r >> 3) << 11; 946 rgb |= (bcmfb_palette[color].g >> 2) << 5; 947 rgb |= (bcmfb_palette[color].b >> 3); 948 addr[2*j] = rgb & 0xff; 949 addr[2*j + 1] = (rgb >> 8) & 0xff; 950 default: 951 /* Not supported yet */ 952 break; 953 } 954 } 955 956 addr += (sc->stride); 957 } 958 959 return (0); 960 } 961 962 static int 963 bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 964 { 965 int i; 966 967 for (i = 0; i < len; i++) 968 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 969 970 return (0); 971 } 972 973 static int 974 bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 975 uint32_t pixel_mask, int size, int width) 976 { 977 978 return (0); 979 } 980 981 /* 982 * Define a stub keyboard driver in case one hasn't been 983 * compiled into the kernel 984 */ 985 #include <sys/kbio.h> 986 #include <dev/kbd/kbdreg.h> 987 988 static int dummy_kbd_configure(int flags); 989 990 keyboard_switch_t bcmdummysw; 991 992 static int 993 dummy_kbd_configure(int flags) 994 { 995 996 return (0); 997 } 998 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); 999