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sys/arm/broadcom/bcm2835/bcm2835_fb.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/bus.h> 35 #include <sys/consio.h> 36 #include <sys/fbio.h> 37 #include <sys/kdb.h> 38 #include <sys/kernel.h> 39 #include <sys/malloc.h> 40 #include <sys/module.h> 41 42 #include <vm/vm.h> 43 #include <vm/pmap.h> 44 45 #include <dev/fb/fbreg.h> 46 #include <dev/ofw/ofw_bus.h> 47 #include <dev/ofw/ofw_bus_subr.h> 48 #include <dev/syscons/syscons.h> 49 50 #include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h> 51 52 #include "mbox_if.h" 53 54 struct argb { 55 uint8_t a; 56 uint8_t r; 57 uint8_t g; 58 uint8_t b; 59 }; 60 61 static struct argb bcmfb_palette[16] = { 62 {0x00, 0x00, 0x00, 0x00}, 63 {0x00, 0x00, 0x00, 0xaa}, 64 {0x00, 0x00, 0xaa, 0x00}, 65 {0x00, 0x00, 0xaa, 0xaa}, 66 {0x00, 0xaa, 0x00, 0x00}, 67 {0x00, 0xaa, 0x00, 0xaa}, 68 {0x00, 0xaa, 0x55, 0x00}, 69 {0x00, 0xaa, 0xaa, 0xaa}, 70 {0x00, 0x55, 0x55, 0x55}, 71 {0x00, 0x55, 0x55, 0xff}, 72 {0x00, 0x55, 0xff, 0x55}, 73 {0x00, 0x55, 0xff, 0xff}, 74 {0x00, 0xff, 0x55, 0x55}, 75 {0x00, 0xff, 0x55, 0xff}, 76 {0x00, 0xff, 0xff, 0x55}, 77 {0x00, 0xff, 0xff, 0xff} 78 }; 79 80 /* mouse pointer from dev/syscons/scgfbrndr.c */ 81 static u_char mouse_pointer[16] = { 82 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 83 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 84 }; 85 86 #define BCMFB_FONT_HEIGHT 16 87 #define BCMFB_FONT_WIDTH 8 88 #define FB_WIDTH 640 89 #define FB_HEIGHT 480 90 #define FB_DEPTH 24 91 92 struct bcmsc_softc { 93 /* Videoadpater part */ 94 video_adapter_t va; 95 96 intptr_t fb_addr; 97 intptr_t fb_paddr; 98 unsigned int fb_size; 99 100 unsigned int height; 101 unsigned int width; 102 unsigned int depth; 103 unsigned int stride; 104 105 unsigned int xmargin; 106 unsigned int ymargin; 107 108 unsigned char *font; 109 int fbswap; 110 int initialized; 111 }; 112 113 static struct bcmsc_softc bcmsc; 114 115 static struct ofw_compat_data compat_data[] = { 116 {"broadcom,bcm2835-fb", 1}, 117 {"brcm,bcm2708-fb", 1}, 118 {NULL, 0} 119 }; 120 121 static int bcm_fb_probe(device_t); 122 static int bcm_fb_attach(device_t); 123 static void bcmfb_update_margins(video_adapter_t *adp); 124 static int bcmfb_configure(int); 125 126 static int 127 bcm_fb_probe(device_t dev) 128 { 129 int error; 130 131 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) 132 return (ENXIO); 133 134 device_set_desc(dev, "BCM2835 framebuffer device"); 135 error = sc_probe_unit(device_get_unit(dev), 136 device_get_flags(dev) | SC_AUTODETECT_KBD); 137 if (error != 0) 138 return (error); 139 140 return (BUS_PROBE_DEFAULT); 141 } 142 143 static int 144 bcm_fb_attach(device_t dev) 145 { 146 struct bcm2835_fb_config fb; 147 struct bcmsc_softc *sc; 148 149 sc = (struct bcmsc_softc *)vid_get_adapter(vid_find_adapter( 150 "bcmfb", 0)); 151 if (sc != NULL) 152 device_set_softc(dev, sc); 153 else 154 sc = device_get_softc(dev); 155 156 memset(&fb, 0, sizeof(fb)); 157 if (bcm2835_mbox_fb_get_w_h(&fb) != 0) 158 return (ENXIO); 159 fb.bpp = FB_DEPTH; 160 fb.vxres = fb.xres; 161 fb.vyres = fb.yres; 162 fb.xoffset = fb.yoffset = 0; 163 if (bcm2835_mbox_fb_init(&fb) != 0) 164 return (ENXIO); 165 166 sc->fb_addr = (intptr_t)pmap_mapdev(fb.base, fb.size); 167 sc->fb_paddr = fb.base; 168 sc->fb_size = fb.size; 169 sc->depth = fb.bpp; 170 sc->stride = fb.pitch; 171 sc->width = fb.xres; 172 sc->height = fb.yres; 173 bcmfb_update_margins(&sc->va); 174 175 if (sc_attach_unit(device_get_unit(dev), 176 device_get_flags(dev) | SC_AUTODETECT_KBD) != 0) { 177 device_printf(dev, "failed to attach syscons\n"); 178 return (ENXIO); 179 } 180 181 device_printf(dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", fb.xres, fb.yres, 182 fb.vxres, fb.vyres, fb.xoffset, fb.yoffset, fb.bpp); 183 device_printf(dev, 184 "fbswap: %d, pitch %d, base 0x%08x, screen_size %d\n", 185 sc->fbswap, fb.pitch, fb.base, fb.size); 186 187 return (0); 188 } 189 190 static device_method_t bcm_fb_methods[] = { 191 /* Device interface */ 192 DEVMETHOD(device_probe, bcm_fb_probe), 193 DEVMETHOD(device_attach, bcm_fb_attach), 194 { 0, 0 } 195 }; 196 197 static driver_t bcm_fb_driver = { 198 "fb", 199 bcm_fb_methods, 200 sizeof(struct bcmsc_softc), 201 }; 202 203 DRIVER_MODULE(bcm2835fb, ofwbus, bcm_fb_driver, 0, 0); 204 DRIVER_MODULE(bcm2835fb, simplebus, bcm_fb_driver, 0, 0); 205 206 /* 207 * Video driver routines and glue. 208 */ 209 static vi_probe_t bcmfb_probe; 210 static vi_init_t bcmfb_init; 211 static vi_get_info_t bcmfb_get_info; 212 static vi_query_mode_t bcmfb_query_mode; 213 static vi_set_mode_t bcmfb_set_mode; 214 static vi_save_font_t bcmfb_save_font; 215 static vi_load_font_t bcmfb_load_font; 216 static vi_show_font_t bcmfb_show_font; 217 static vi_save_palette_t bcmfb_save_palette; 218 static vi_load_palette_t bcmfb_load_palette; 219 static vi_set_border_t bcmfb_set_border; 220 static vi_save_state_t bcmfb_save_state; 221 static vi_load_state_t bcmfb_load_state; 222 static vi_set_win_org_t bcmfb_set_win_org; 223 static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 224 static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 225 static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 226 static vi_blank_display_t bcmfb_blank_display; 227 static vi_mmap_t bcmfb_mmap; 228 static vi_ioctl_t bcmfb_ioctl; 229 static vi_clear_t bcmfb_clear; 230 static vi_fill_rect_t bcmfb_fill_rect; 231 static vi_bitblt_t bcmfb_bitblt; 232 static vi_diag_t bcmfb_diag; 233 static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 234 static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 235 static vi_copy_t bcmfb_copy; 236 static vi_putp_t bcmfb_putp; 237 static vi_putc_t bcmfb_putc; 238 static vi_puts_t bcmfb_puts; 239 static vi_putm_t bcmfb_putm; 240 241 static video_switch_t bcmfbvidsw = { 242 .probe = bcmfb_probe, 243 .init = bcmfb_init, 244 .get_info = bcmfb_get_info, 245 .query_mode = bcmfb_query_mode, 246 .set_mode = bcmfb_set_mode, 247 .save_font = bcmfb_save_font, 248 .load_font = bcmfb_load_font, 249 .show_font = bcmfb_show_font, 250 .save_palette = bcmfb_save_palette, 251 .load_palette = bcmfb_load_palette, 252 .set_border = bcmfb_set_border, 253 .save_state = bcmfb_save_state, 254 .load_state = bcmfb_load_state, 255 .set_win_org = bcmfb_set_win_org, 256 .read_hw_cursor = bcmfb_read_hw_cursor, 257 .set_hw_cursor = bcmfb_set_hw_cursor, 258 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 259 .blank_display = bcmfb_blank_display, 260 .mmap = bcmfb_mmap, 261 .ioctl = bcmfb_ioctl, 262 .clear = bcmfb_clear, 263 .fill_rect = bcmfb_fill_rect, 264 .bitblt = bcmfb_bitblt, 265 .diag = bcmfb_diag, 266 .save_cursor_palette = bcmfb_save_cursor_palette, 267 .load_cursor_palette = bcmfb_load_cursor_palette, 268 .copy = bcmfb_copy, 269 .putp = bcmfb_putp, 270 .putc = bcmfb_putc, 271 .puts = bcmfb_puts, 272 .putm = bcmfb_putm, 273 }; 274 275 VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 276 277 static vr_init_t bcmrend_init; 278 static vr_clear_t bcmrend_clear; 279 static vr_draw_border_t bcmrend_draw_border; 280 static vr_draw_t bcmrend_draw; 281 static vr_set_cursor_t bcmrend_set_cursor; 282 static vr_draw_cursor_t bcmrend_draw_cursor; 283 static vr_blink_cursor_t bcmrend_blink_cursor; 284 static vr_set_mouse_t bcmrend_set_mouse; 285 static vr_draw_mouse_t bcmrend_draw_mouse; 286 287 /* 288 * We use our own renderer; this is because we must emulate a hardware 289 * cursor. 290 */ 291 static sc_rndr_sw_t bcmrend = { 292 bcmrend_init, 293 bcmrend_clear, 294 bcmrend_draw_border, 295 bcmrend_draw, 296 bcmrend_set_cursor, 297 bcmrend_draw_cursor, 298 bcmrend_blink_cursor, 299 bcmrend_set_mouse, 300 bcmrend_draw_mouse 301 }; 302 303 RENDERER(bcmfb, 0, bcmrend, gfb_set); 304 RENDERER_MODULE(bcmfb, gfb_set); 305 306 static void 307 bcmrend_init(scr_stat* scp) 308 { 309 } 310 311 static void 312 bcmrend_clear(scr_stat* scp, int c, int attr) 313 { 314 } 315 316 static void 317 bcmrend_draw_border(scr_stat* scp, int color) 318 { 319 } 320 321 static void 322 bcmrend_draw(scr_stat* scp, int from, int count, int flip) 323 { 324 video_adapter_t* adp = scp->sc->adp; 325 int i, c, a; 326 327 if (!flip) { 328 /* Normal printing */ 329 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 330 } else { 331 /* This is for selections and such: invert the color attribute */ 332 for (i = count; i-- > 0; ++from) { 333 c = sc_vtb_getc(&scp->vtb, from); 334 a = sc_vtb_geta(&scp->vtb, from) >> 8; 335 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 336 } 337 } 338 } 339 340 static void 341 bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 342 { 343 } 344 345 static void 346 bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 347 { 348 int bytes, col, i, j, row; 349 struct bcmsc_softc *sc; 350 uint8_t *addr; 351 video_adapter_t *adp; 352 353 adp = scp->sc->adp; 354 sc = (struct bcmsc_softc *)adp; 355 356 if (scp->curs_attr.height <= 0) 357 return; 358 359 if (sc->fb_addr == 0) 360 return; 361 362 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 363 return; 364 365 /* calculate the coordinates in the video buffer */ 366 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 367 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 368 369 addr = (uint8_t *)sc->fb_addr 370 + (row + sc->ymargin)*(sc->stride) 371 + (sc->depth/8) * (col + sc->xmargin); 372 373 bytes = sc->depth / 8; 374 /* our cursor consists of simply inverting the char under it */ 375 for (i = 0; i < adp->va_info.vi_cheight; i++) { 376 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 377 switch (sc->depth) { 378 case 32: 379 case 24: 380 addr[bytes*j + 2] ^= 0xff; 381 /* FALLTHROUGH */ 382 case 16: 383 addr[bytes*j + 1] ^= 0xff; 384 addr[bytes*j] ^= 0xff; 385 break; 386 default: 387 break; 388 } 389 } 390 391 addr += sc->stride; 392 } 393 } 394 395 static void 396 bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 397 { 398 } 399 400 static void 401 bcmrend_set_mouse(scr_stat* scp) 402 { 403 } 404 405 static void 406 bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 407 { 408 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 409 } 410 411 static uint16_t bcmfb_static_window[ROW*COL]; 412 extern u_char dflt_font_16[]; 413 414 /* 415 * Update videoadapter settings after changing resolution 416 */ 417 static void 418 bcmfb_update_margins(video_adapter_t *adp) 419 { 420 struct bcmsc_softc *sc; 421 video_info_t *vi; 422 423 sc = (struct bcmsc_softc *)adp; 424 vi = &adp->va_info; 425 426 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 427 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 428 } 429 430 static int 431 bcmfb_configure(int flags) 432 { 433 char bootargs[2048], *n, *p, *v; 434 pcell_t cell; 435 phandle_t chosen, display, root; 436 struct bcmsc_softc *sc; 437 438 sc = &bcmsc; 439 if (sc->initialized) 440 return (0); 441 442 sc->width = 0; 443 sc->height = 0; 444 445 /* 446 * It seems there is no way to let syscons framework know 447 * that framebuffer resolution has changed. So just try 448 * to fetch data from FDT bootargs, FDT display data and 449 * finally go with defaults if everything else has failed. 450 */ 451 chosen = OF_finddevice("/chosen"); 452 if (chosen != -1 && 453 OF_getprop(chosen, "bootargs", &bootargs, sizeof(bootargs)) > 0) { 454 p = bootargs; 455 while ((v = strsep(&p, " ")) != NULL) { 456 if (*v == '\0') 457 continue; 458 n = strsep(&v, "="); 459 if (strcmp(n, "bcm2708_fb.fbwidth") == 0 && v != NULL) 460 sc->width = (unsigned int)strtol(v, NULL, 0); 461 else if (strcmp(n, "bcm2708_fb.fbheight") == 0 && 462 v != NULL) 463 sc->height = (unsigned int)strtol(v, NULL, 0); 464 else if (strcmp(n, "bcm2708_fb.fbswap") == 0 && 465 v != NULL) 466 if (*v == '1') 467 sc->fbswap = 1; 468 } 469 } 470 471 root = OF_finddevice("/"); 472 if ((root != -1) && 473 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 474 if (sc->width == 0) { 475 if ((OF_getencprop(display, "broadcom,width", 476 &cell, sizeof(cell))) > 0) 477 sc->width = cell; 478 } 479 480 if (sc->height == 0) { 481 if ((OF_getencprop(display, "broadcom,height", 482 &cell, sizeof(cell))) > 0) 483 sc->height = cell; 484 } 485 } 486 487 if (sc->width == 0) 488 sc->width = FB_WIDTH; 489 if (sc->height == 0) 490 sc->height = FB_HEIGHT; 491 492 bcmfb_init(0, &sc->va, 0); 493 sc->initialized = 1; 494 495 return (0); 496 } 497 498 static int 499 bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 500 { 501 502 return (0); 503 } 504 505 static int 506 bcmfb_init(int unit, video_adapter_t *adp, int flags) 507 { 508 struct bcmsc_softc *sc; 509 video_info_t *vi; 510 511 sc = (struct bcmsc_softc *)adp; 512 vi = &adp->va_info; 513 514 vid_init_struct(adp, "bcmfb", -1, unit); 515 516 sc->font = dflt_font_16; 517 vi->vi_cheight = BCMFB_FONT_HEIGHT; 518 vi->vi_cwidth = BCMFB_FONT_WIDTH; 519 vi->vi_width = sc->width / vi->vi_cwidth; 520 vi->vi_height = sc->height / vi->vi_cheight; 521 522 /* 523 * Clamp width/height to syscons maximums 524 */ 525 if (vi->vi_width > COL) 526 vi->vi_width = COL; 527 if (vi->vi_height > ROW) 528 vi->vi_height = ROW; 529 530 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 531 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 532 533 adp->va_window = (vm_offset_t) bcmfb_static_window; 534 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 535 536 vid_register(&sc->va); 537 538 return (0); 539 } 540 541 static int 542 bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 543 { 544 bcopy(&adp->va_info, info, sizeof(*info)); 545 return (0); 546 } 547 548 static int 549 bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 550 { 551 return (0); 552 } 553 554 static int 555 bcmfb_set_mode(video_adapter_t *adp, int mode) 556 { 557 return (0); 558 } 559 560 static int 561 bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 562 u_char *data, int c, int count) 563 { 564 return (0); 565 } 566 567 static int 568 bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 569 u_char *data, int c, int count) 570 { 571 struct bcmsc_softc *sc; 572 573 sc = (struct bcmsc_softc *)adp; 574 sc->font = data; 575 576 return (0); 577 } 578 579 static int 580 bcmfb_show_font(video_adapter_t *adp, int page) 581 { 582 return (0); 583 } 584 585 static int 586 bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 587 { 588 return (0); 589 } 590 591 static int 592 bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 593 { 594 return (0); 595 } 596 597 static int 598 bcmfb_set_border(video_adapter_t *adp, int border) 599 { 600 return (bcmfb_blank_display(adp, border)); 601 } 602 603 static int 604 bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 605 { 606 return (0); 607 } 608 609 static int 610 bcmfb_load_state(video_adapter_t *adp, void *p) 611 { 612 return (0); 613 } 614 615 static int 616 bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 617 { 618 return (0); 619 } 620 621 static int 622 bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 623 { 624 *col = *row = 0; 625 626 return (0); 627 } 628 629 static int 630 bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 631 { 632 return (0); 633 } 634 635 static int 636 bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 637 int celsize, int blink) 638 { 639 return (0); 640 } 641 642 static int 643 bcmfb_blank_display(video_adapter_t *adp, int mode) 644 { 645 646 struct bcmsc_softc *sc; 647 648 sc = (struct bcmsc_softc *)adp; 649 if (sc && sc->fb_addr) 650 memset((void*)sc->fb_addr, 0, sc->fb_size); 651 652 return (0); 653 } 654 655 static int 656 bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 657 int prot, vm_memattr_t *memattr) 658 { 659 struct bcmsc_softc *sc; 660 661 sc = (struct bcmsc_softc *)adp; 662 663 /* 664 * This might be a legacy VGA mem request: if so, just point it at the 665 * framebuffer, since it shouldn't be touched 666 */ 667 if (offset < sc->stride*sc->height) { 668 *paddr = sc->fb_paddr + offset; 669 return (0); 670 } 671 672 return (EINVAL); 673 } 674 675 static int 676 bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 677 { 678 struct bcmsc_softc *sc; 679 struct fbtype *fb; 680 681 sc = (struct bcmsc_softc *)adp; 682 683 switch (cmd) { 684 case FBIOGTYPE: 685 fb = (struct fbtype *)data; 686 fb->fb_type = FBTYPE_PCIMISC; 687 fb->fb_height = sc->height; 688 fb->fb_width = sc->width; 689 fb->fb_depth = sc->depth; 690 if (sc->depth <= 1 || sc->depth > 8) 691 fb->fb_cmsize = 0; 692 else 693 fb->fb_cmsize = 1 << sc->depth; 694 fb->fb_size = sc->fb_size; 695 break; 696 default: 697 return (fb_commonioctl(adp, cmd, data)); 698 } 699 700 return (0); 701 } 702 703 static int 704 bcmfb_clear(video_adapter_t *adp) 705 { 706 707 return (bcmfb_blank_display(adp, 0)); 708 } 709 710 static int 711 bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 712 { 713 714 return (0); 715 } 716 717 static int 718 bcmfb_bitblt(video_adapter_t *adp, ...) 719 { 720 721 return (0); 722 } 723 724 static int 725 bcmfb_diag(video_adapter_t *adp, int level) 726 { 727 728 return (0); 729 } 730 731 static int 732 bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 733 { 734 735 return (0); 736 } 737 738 static int 739 bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 740 { 741 742 return (0); 743 } 744 745 static int 746 bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 747 { 748 749 return (0); 750 } 751 752 static int 753 bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 754 int size, int bpp, int bit_ltor, int byte_ltor) 755 { 756 757 return (0); 758 } 759 760 static int 761 bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 762 { 763 int bytes, col, i, j, k, row; 764 struct bcmsc_softc *sc; 765 u_char *p; 766 uint8_t *addr, fg, bg, color; 767 uint16_t rgb; 768 769 sc = (struct bcmsc_softc *)adp; 770 771 if (sc->fb_addr == 0) 772 return (0); 773 774 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 775 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 776 p = sc->font + c*BCMFB_FONT_HEIGHT; 777 addr = (uint8_t *)sc->fb_addr 778 + (row + sc->ymargin)*(sc->stride) 779 + (sc->depth/8) * (col + sc->xmargin); 780 781 fg = a & 0xf ; 782 bg = (a >> 4) & 0xf; 783 784 bytes = sc->depth / 8; 785 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 786 for (j = 0, k = 7; j < 8; j++, k--) { 787 if ((p[i] & (1 << k)) == 0) 788 color = bg; 789 else 790 color = fg; 791 792 switch (sc->depth) { 793 case 32: 794 case 24: 795 if (sc->fbswap) { 796 addr[bytes * j + 0] = 797 bcmfb_palette[color].b; 798 addr[bytes * j + 1] = 799 bcmfb_palette[color].g; 800 addr[bytes * j + 2] = 801 bcmfb_palette[color].r; 802 } else { 803 addr[bytes * j + 0] = 804 bcmfb_palette[color].r; 805 addr[bytes * j + 1] = 806 bcmfb_palette[color].g; 807 addr[bytes * j + 2] = 808 bcmfb_palette[color].b; 809 } 810 if (sc->depth == 32) 811 addr[bytes * j + 3] = 812 bcmfb_palette[color].a; 813 break; 814 case 16: 815 rgb = (bcmfb_palette[color].r >> 3) << 11; 816 rgb |= (bcmfb_palette[color].g >> 2) << 5; 817 rgb |= (bcmfb_palette[color].b >> 3); 818 addr[bytes * j] = rgb & 0xff; 819 addr[bytes * j + 1] = (rgb >> 8) & 0xff; 820 default: 821 /* Not supported yet */ 822 break; 823 } 824 } 825 826 addr += (sc->stride); 827 } 828 829 return (0); 830 } 831 832 static int 833 bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 834 { 835 int i; 836 837 for (i = 0; i < len; i++) 838 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 839 840 return (0); 841 } 842 843 static int 844 bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 845 uint32_t pixel_mask, int size, int width) 846 { 847 848 return (0); 849 }
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