bcm2835_fb.c revision 253006
1/*- 2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/arm/broadcom/bcm2835/bcm2835_fb.c 253006 2013-07-07 21:23:58Z rpaulo $"); 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#include "mbox_if.h" 70 71#define BCMFB_FONT_HEIGHT 16 72 73struct argb { 74 uint8_t a; 75 uint8_t r; 76 uint8_t g; 77 uint8_t b; 78}; 79 80static struct argb bcmfb_palette[16] = { 81 {0x00, 0x00, 0x00, 0x00}, 82 {0x00, 0x00, 0x00, 0xaa}, 83 {0x00, 0x00, 0xaa, 0x00}, 84 {0x00, 0x00, 0xaa, 0xaa}, 85 {0x00, 0xaa, 0x00, 0x00}, 86 {0x00, 0xaa, 0x00, 0xaa}, 87 {0x00, 0xaa, 0x55, 0x00}, 88 {0x00, 0xaa, 0xaa, 0xaa}, 89 {0x00, 0x55, 0x55, 0x55}, 90 {0x00, 0x55, 0x55, 0xff}, 91 {0x00, 0x55, 0xff, 0x55}, 92 {0x00, 0x55, 0xff, 0xff}, 93 {0x00, 0xff, 0x55, 0x55}, 94 {0x00, 0xff, 0x55, 0xff}, 95 {0x00, 0xff, 0xff, 0x55}, 96 {0x00, 0xff, 0xff, 0xff} 97}; 98 99/* mouse pointer from dev/syscons/scgfbrndr.c */ 100static u_char mouse_pointer[16] = { 101 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 102 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 103}; 104 105#define FB_WIDTH 640 106#define FB_HEIGHT 480 107#define FB_DEPTH 24 108 109struct bcm_fb_config { 110 uint32_t xres; 111 uint32_t yres; 112 uint32_t vxres; 113 uint32_t vyres; 114 uint32_t pitch; 115 uint32_t bpp; 116 uint32_t xoffset; 117 uint32_t yoffset; 118 /* Filled by videocore */ 119 uint32_t base; 120 uint32_t screen_size; 121}; 122 123struct bcmsc_softc { 124 device_t dev; 125 struct cdev * cdev; 126 struct mtx mtx; 127 bus_dma_tag_t dma_tag; 128 bus_dmamap_t dma_map; 129 struct bcm_fb_config* fb_config; 130 bus_addr_t fb_config_phys; 131 struct intr_config_hook init_hook; 132 133}; 134 135struct video_adapter_softc { 136 /* Videoadpater part */ 137 video_adapter_t va; 138 int console; 139 140 intptr_t fb_addr; 141 intptr_t fb_paddr; 142 unsigned int fb_size; 143 144 unsigned int height; 145 unsigned int width; 146 unsigned int depth; 147 unsigned int stride; 148 149 unsigned int xmargin; 150 unsigned int ymargin; 151 152 unsigned char *font; 153 int initialized; 154}; 155 156static struct bcmsc_softc *bcmsc_softc; 157static struct video_adapter_softc va_softc; 158 159#define bcm_fb_lock(_sc) mtx_lock(&(_sc)->mtx) 160#define bcm_fb_unlock(_sc) mtx_unlock(&(_sc)->mtx) 161#define bcm_fb_lock_assert(sc) mtx_assert(&(_sc)->mtx, MA_OWNED) 162 163static int bcm_fb_probe(device_t); 164static int bcm_fb_attach(device_t); 165static void bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err); 166static void bcmfb_update_margins(video_adapter_t *adp); 167static int bcmfb_configure(int); 168 169static void 170bcm_fb_init(void *arg) 171{ 172 struct bcmsc_softc *sc = arg; 173 struct video_adapter_softc *va_sc = &va_softc; 174 int err; 175 volatile struct bcm_fb_config* fb_config = sc->fb_config; 176 phandle_t node; 177 pcell_t cell; 178 device_t mbox; 179 180 node = ofw_bus_get_node(sc->dev); 181 182 fb_config->xres = 0; 183 fb_config->yres = 0; 184 fb_config->bpp = 0; 185 186 if ((OF_getprop(node, "broadcom,width", &cell, sizeof(cell))) > 0) 187 fb_config->xres = (int)fdt32_to_cpu(cell); 188 if (fb_config->xres == 0) 189 fb_config->xres = FB_WIDTH; 190 191 if ((OF_getprop(node, "broadcom,height", &cell, sizeof(cell))) > 0) 192 fb_config->yres = (uint32_t)fdt32_to_cpu(cell); 193 if (fb_config->yres == 0) 194 fb_config->yres = FB_HEIGHT; 195 196 if ((OF_getprop(node, "broadcom,depth", &cell, sizeof(cell))) > 0) 197 fb_config->bpp = (uint32_t)fdt32_to_cpu(cell); 198 if (fb_config->bpp == 0) 199 fb_config->bpp = FB_DEPTH; 200 201 fb_config->vxres = 0; 202 fb_config->vyres = 0; 203 fb_config->xoffset = 0; 204 fb_config->yoffset = 0; 205 fb_config->base = 0; 206 fb_config->pitch = 0; 207 fb_config->screen_size = 0; 208 209 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 210 BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); 211 212 mbox = devclass_get_device(devclass_find("mbox"), 0); 213 if (mbox) { 214 MBOX_WRITE(mbox, BCM2835_MBOX_CHAN_FB, sc->fb_config_phys); 215 MBOX_READ(mbox, BCM2835_MBOX_CHAN_FB, &err); 216 } 217 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 218 BUS_DMASYNC_POSTREAD); 219 220 if (fb_config->base != 0) { 221 device_printf(sc->dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", 222 fb_config->xres, fb_config->yres, 223 fb_config->vxres, fb_config->vyres, 224 fb_config->xoffset, fb_config->yoffset, 225 fb_config->bpp); 226 227 228 device_printf(sc->dev, "pitch %d, base 0x%08x, screen_size %d\n", 229 fb_config->pitch, fb_config->base, 230 fb_config->screen_size); 231 232 va_sc->fb_addr = (intptr_t)pmap_mapdev(fb_config->base, fb_config->screen_size); 233 va_sc->fb_paddr = fb_config->base; 234 va_sc->fb_size = fb_config->screen_size; 235 va_sc->depth = fb_config->bpp; 236 va_sc->stride = fb_config->pitch; 237 238 va_sc->width = fb_config->xres; 239 va_sc->height = fb_config->yres; 240 bcmfb_update_margins(&va_sc->va); 241 } 242 else { 243 device_printf(sc->dev, "Failed to set framebuffer info\n"); 244 return; 245 } 246 247 config_intrhook_disestablish(&sc->init_hook); 248} 249 250static int 251bcm_fb_probe(device_t dev) 252{ 253 int error = 0; 254 255 if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-fb")) 256 return (ENXIO); 257 258 device_set_desc(dev, "BCM2835 framebuffer device"); 259 260 error = sc_probe_unit(device_get_unit(dev), 261 device_get_flags(dev) | SC_AUTODETECT_KBD); 262 if (error != 0) 263 return (error); 264 265 266 return (BUS_PROBE_DEFAULT); 267} 268 269static int 270bcm_fb_attach(device_t dev) 271{ 272 struct bcmsc_softc *sc = device_get_softc(dev); 273 int dma_size = sizeof(struct bcm_fb_config); 274 int err; 275 276 if (bcmsc_softc) 277 return (ENXIO); 278 279 bcmsc_softc = sc; 280 281 sc->dev = dev; 282 mtx_init(&sc->mtx, "bcm2835fb", "fb", MTX_DEF); 283 284 err = bus_dma_tag_create( 285 bus_get_dma_tag(sc->dev), 286 PAGE_SIZE, 0, /* alignment, boundary */ 287 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 288 BUS_SPACE_MAXADDR, /* highaddr */ 289 NULL, NULL, /* filter, filterarg */ 290 dma_size, 1, /* maxsize, nsegments */ 291 dma_size, 0, /* maxsegsize, flags */ 292 NULL, NULL, /* lockfunc, lockarg */ 293 &sc->dma_tag); 294 295 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_config, 296 0, &sc->dma_map); 297 if (err) { 298 device_printf(dev, "cannot allocate framebuffer\n"); 299 goto fail; 300 } 301 302 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_config, 303 dma_size, bcm_fb_dmamap_cb, &sc->fb_config_phys, BUS_DMA_NOWAIT); 304 305 if (err) { 306 device_printf(dev, "cannot load DMA map\n"); 307 goto fail; 308 } 309 310 err = (sc_attach_unit(device_get_unit(dev), 311 device_get_flags(dev) | SC_AUTODETECT_KBD)); 312 313 if (err) { 314 device_printf(dev, "failed to attach syscons\n"); 315 goto fail; 316 } 317 318 /* 319 * We have to wait until interrupts are enabled. 320 * Mailbox relies on it to get data from VideoCore 321 */ 322 sc->init_hook.ich_func = bcm_fb_init; 323 sc->init_hook.ich_arg = sc; 324 325 if (config_intrhook_establish(&sc->init_hook) != 0) { 326 device_printf(dev, "failed to establish intrhook\n"); 327 return (ENOMEM); 328 } 329 330 return (0); 331 332fail: 333 return (ENXIO); 334} 335 336 337static void 338bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) 339{ 340 bus_addr_t *addr; 341 342 if (err) 343 return; 344 345 addr = (bus_addr_t*)arg; 346 *addr = PHYS_TO_VCBUS(segs[0].ds_addr); 347} 348 349static device_method_t bcm_fb_methods[] = { 350 /* Device interface */ 351 DEVMETHOD(device_probe, bcm_fb_probe), 352 DEVMETHOD(device_attach, bcm_fb_attach), 353 354 { 0, 0 } 355}; 356 357static devclass_t bcm_fb_devclass; 358 359static driver_t bcm_fb_driver = { 360 "fb", 361 bcm_fb_methods, 362 sizeof(struct bcmsc_softc), 363}; 364 365DRIVER_MODULE(bcm2835fb, fdtbus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 366 367/* 368 * Video driver routines and glue. 369 */ 370static vi_probe_t bcmfb_probe; 371static vi_init_t bcmfb_init; 372static vi_get_info_t bcmfb_get_info; 373static vi_query_mode_t bcmfb_query_mode; 374static vi_set_mode_t bcmfb_set_mode; 375static vi_save_font_t bcmfb_save_font; 376static vi_load_font_t bcmfb_load_font; 377static vi_show_font_t bcmfb_show_font; 378static vi_save_palette_t bcmfb_save_palette; 379static vi_load_palette_t bcmfb_load_palette; 380static vi_set_border_t bcmfb_set_border; 381static vi_save_state_t bcmfb_save_state; 382static vi_load_state_t bcmfb_load_state; 383static vi_set_win_org_t bcmfb_set_win_org; 384static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 385static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 386static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 387static vi_blank_display_t bcmfb_blank_display; 388static vi_mmap_t bcmfb_mmap; 389static vi_ioctl_t bcmfb_ioctl; 390static vi_clear_t bcmfb_clear; 391static vi_fill_rect_t bcmfb_fill_rect; 392static vi_bitblt_t bcmfb_bitblt; 393static vi_diag_t bcmfb_diag; 394static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 395static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 396static vi_copy_t bcmfb_copy; 397static vi_putp_t bcmfb_putp; 398static vi_putc_t bcmfb_putc; 399static vi_puts_t bcmfb_puts; 400static vi_putm_t bcmfb_putm; 401 402static video_switch_t bcmfbvidsw = { 403 .probe = bcmfb_probe, 404 .init = bcmfb_init, 405 .get_info = bcmfb_get_info, 406 .query_mode = bcmfb_query_mode, 407 .set_mode = bcmfb_set_mode, 408 .save_font = bcmfb_save_font, 409 .load_font = bcmfb_load_font, 410 .show_font = bcmfb_show_font, 411 .save_palette = bcmfb_save_palette, 412 .load_palette = bcmfb_load_palette, 413 .set_border = bcmfb_set_border, 414 .save_state = bcmfb_save_state, 415 .load_state = bcmfb_load_state, 416 .set_win_org = bcmfb_set_win_org, 417 .read_hw_cursor = bcmfb_read_hw_cursor, 418 .set_hw_cursor = bcmfb_set_hw_cursor, 419 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 420 .blank_display = bcmfb_blank_display, 421 .mmap = bcmfb_mmap, 422 .ioctl = bcmfb_ioctl, 423 .clear = bcmfb_clear, 424 .fill_rect = bcmfb_fill_rect, 425 .bitblt = bcmfb_bitblt, 426 .diag = bcmfb_diag, 427 .save_cursor_palette = bcmfb_save_cursor_palette, 428 .load_cursor_palette = bcmfb_load_cursor_palette, 429 .copy = bcmfb_copy, 430 .putp = bcmfb_putp, 431 .putc = bcmfb_putc, 432 .puts = bcmfb_puts, 433 .putm = bcmfb_putm, 434}; 435 436VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 437 438static vr_init_t bcmrend_init; 439static vr_clear_t bcmrend_clear; 440static vr_draw_border_t bcmrend_draw_border; 441static vr_draw_t bcmrend_draw; 442static vr_set_cursor_t bcmrend_set_cursor; 443static vr_draw_cursor_t bcmrend_draw_cursor; 444static vr_blink_cursor_t bcmrend_blink_cursor; 445static vr_set_mouse_t bcmrend_set_mouse; 446static vr_draw_mouse_t bcmrend_draw_mouse; 447 448/* 449 * We use our own renderer; this is because we must emulate a hardware 450 * cursor. 451 */ 452static sc_rndr_sw_t bcmrend = { 453 bcmrend_init, 454 bcmrend_clear, 455 bcmrend_draw_border, 456 bcmrend_draw, 457 bcmrend_set_cursor, 458 bcmrend_draw_cursor, 459 bcmrend_blink_cursor, 460 bcmrend_set_mouse, 461 bcmrend_draw_mouse 462}; 463 464RENDERER(bcmfb, 0, bcmrend, gfb_set); 465RENDERER_MODULE(bcmfb, gfb_set); 466 467static void 468bcmrend_init(scr_stat* scp) 469{ 470} 471 472static void 473bcmrend_clear(scr_stat* scp, int c, int attr) 474{ 475} 476 477static void 478bcmrend_draw_border(scr_stat* scp, int color) 479{ 480} 481 482static void 483bcmrend_draw(scr_stat* scp, int from, int count, int flip) 484{ 485 video_adapter_t* adp = scp->sc->adp; 486 int i, c, a; 487 488 if (!flip) { 489 /* Normal printing */ 490 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 491 } else { 492 /* This is for selections and such: invert the color attribute */ 493 for (i = count; i-- > 0; ++from) { 494 c = sc_vtb_getc(&scp->vtb, from); 495 a = sc_vtb_geta(&scp->vtb, from) >> 8; 496 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 497 } 498 } 499} 500 501static void 502bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 503{ 504} 505 506static void 507bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 508{ 509 video_adapter_t* adp = scp->sc->adp; 510 struct video_adapter_softc *sc; 511 int row, col; 512 uint8_t *addr; 513 int i, j, bytes; 514 515 sc = (struct video_adapter_softc *)adp; 516 517 if (scp->curs_attr.height <= 0) 518 return; 519 520 if (sc->fb_addr == 0) 521 return; 522 523 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 524 return; 525 526 /* calculate the coordinates in the video buffer */ 527 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 528 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 529 530 addr = (uint8_t *)sc->fb_addr 531 + (row + sc->ymargin)*(sc->stride) 532 + (sc->depth/8) * (col + sc->xmargin); 533 534 bytes = sc->depth/8; 535 536 /* our cursor consists of simply inverting the char under it */ 537 for (i = 0; i < adp->va_info.vi_cheight; i++) { 538 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 539 switch (sc->depth) { 540 case 32: 541 case 24: 542 addr[bytes*j + 2] ^= 0xff; 543 /* FALLTHROUGH */ 544 case 16: 545 addr[bytes*j + 1] ^= 0xff; 546 addr[bytes*j] ^= 0xff; 547 break; 548 default: 549 break; 550 } 551 } 552 553 addr += sc->stride; 554 } 555} 556 557static void 558bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 559{ 560} 561 562static void 563bcmrend_set_mouse(scr_stat* scp) 564{ 565} 566 567static void 568bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 569{ 570 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 571} 572 573static uint16_t bcmfb_static_window[ROW*COL]; 574extern u_char dflt_font_16[]; 575 576/* 577 * Update videoadapter settings after changing resolution 578 */ 579static void 580bcmfb_update_margins(video_adapter_t *adp) 581{ 582 struct video_adapter_softc *sc; 583 video_info_t *vi; 584 585 sc = (struct video_adapter_softc *)adp; 586 vi = &adp->va_info; 587 588 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 589 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 590} 591 592static int 593bcmfb_configure(int flags) 594{ 595 struct video_adapter_softc *va_sc; 596 597 va_sc = &va_softc; 598 phandle_t display, root; 599 pcell_t cell; 600 601 if (va_sc->initialized) 602 return (0); 603 604 va_sc->width = 0; 605 va_sc->height = 0; 606 607 /* 608 * It seems there is no way to let syscons framework know 609 * that framebuffer resolution has changed. So just try 610 * to fetch data from FDT and go with defaults if failed 611 */ 612 root = OF_finddevice("/"); 613 if ((root != 0) && 614 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 615 if ((OF_getprop(display, "broadcom,width", 616 &cell, sizeof(cell))) > 0) 617 va_sc->width = (int)fdt32_to_cpu(cell); 618 619 if ((OF_getprop(display, "broadcom,height", 620 &cell, sizeof(cell))) > 0) 621 va_sc->height = (int)fdt32_to_cpu(cell); 622 } 623 624 if (va_sc->width == 0) 625 va_sc->width = FB_WIDTH; 626 if (va_sc->height == 0) 627 va_sc->height = FB_HEIGHT; 628 629 bcmfb_init(0, &va_sc->va, 0); 630 631 va_sc->initialized = 1; 632 633 return (0); 634} 635 636static int 637bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 638{ 639 640 return (0); 641} 642 643static int 644bcmfb_init(int unit, video_adapter_t *adp, int flags) 645{ 646 struct video_adapter_softc *sc; 647 video_info_t *vi; 648 649 sc = (struct video_adapter_softc *)adp; 650 vi = &adp->va_info; 651 652 vid_init_struct(adp, "bcmfb", -1, unit); 653 654 sc->font = dflt_font_16; 655 vi->vi_cheight = BCMFB_FONT_HEIGHT; 656 vi->vi_cwidth = 8; 657 658 vi->vi_width = sc->width/8; 659 vi->vi_height = sc->height/vi->vi_cheight; 660 661 /* 662 * Clamp width/height to syscons maximums 663 */ 664 if (vi->vi_width > COL) 665 vi->vi_width = COL; 666 if (vi->vi_height > ROW) 667 vi->vi_height = ROW; 668 669 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 670 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 671 672 673 adp->va_window = (vm_offset_t) bcmfb_static_window; 674 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 675 676 vid_register(&sc->va); 677 678 return (0); 679} 680 681static int 682bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 683{ 684 bcopy(&adp->va_info, info, sizeof(*info)); 685 return (0); 686} 687 688static int 689bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 690{ 691 return (0); 692} 693 694static int 695bcmfb_set_mode(video_adapter_t *adp, int mode) 696{ 697 return (0); 698} 699 700static int 701bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 702 u_char *data, int c, int count) 703{ 704 return (0); 705} 706 707static int 708bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 709 u_char *data, int c, int count) 710{ 711 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 712 713 sc->font = data; 714 715 return (0); 716} 717 718static int 719bcmfb_show_font(video_adapter_t *adp, int page) 720{ 721 return (0); 722} 723 724static int 725bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 726{ 727 return (0); 728} 729 730static int 731bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 732{ 733 return (0); 734} 735 736static int 737bcmfb_set_border(video_adapter_t *adp, int border) 738{ 739 return (bcmfb_blank_display(adp, border)); 740} 741 742static int 743bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 744{ 745 return (0); 746} 747 748static int 749bcmfb_load_state(video_adapter_t *adp, void *p) 750{ 751 return (0); 752} 753 754static int 755bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 756{ 757 return (0); 758} 759 760static int 761bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 762{ 763 *col = *row = 0; 764 765 return (0); 766} 767 768static int 769bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 770{ 771 return (0); 772} 773 774static int 775bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 776 int celsize, int blink) 777{ 778 return (0); 779} 780 781static int 782bcmfb_blank_display(video_adapter_t *adp, int mode) 783{ 784 785 struct video_adapter_softc *sc; 786 787 sc = (struct video_adapter_softc *)adp; 788 if (sc && sc->fb_addr) 789 memset((void*)sc->fb_addr, 0, sc->fb_size); 790 791 return (0); 792} 793 794static int 795bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 796 int prot, vm_memattr_t *memattr) 797{ 798 struct video_adapter_softc *sc; 799 800 sc = (struct video_adapter_softc *)adp; 801 802 /* 803 * This might be a legacy VGA mem request: if so, just point it at the 804 * framebuffer, since it shouldn't be touched 805 */ 806 if (offset < sc->stride*sc->height) { 807 *paddr = sc->fb_paddr + offset; 808 return (0); 809 } 810 811 return (EINVAL); 812} 813 814static int 815bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 816{ 817 struct video_adapter_softc *sc; 818 struct fbtype *fb; 819 820 sc = (struct video_adapter_softc *)adp; 821 822 switch (cmd) { 823 case FBIOGTYPE: 824 fb = (struct fbtype *)data; 825 fb->fb_type = FBTYPE_PCIMISC; 826 fb->fb_height = sc->height; 827 fb->fb_width = sc->width; 828 fb->fb_depth = sc->depth; 829 if (sc->depth <= 1 || sc->depth > 8) 830 fb->fb_cmsize = 0; 831 else 832 fb->fb_cmsize = 1 << sc->depth; 833 fb->fb_size = sc->fb_size; 834 break; 835 default: 836 return (fb_commonioctl(adp, cmd, data)); 837 } 838 839 return (0); 840} 841 842static int 843bcmfb_clear(video_adapter_t *adp) 844{ 845 846 return (bcmfb_blank_display(adp, 0)); 847} 848 849static int 850bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 851{ 852 853 return (0); 854} 855 856static int 857bcmfb_bitblt(video_adapter_t *adp, ...) 858{ 859 860 return (0); 861} 862 863static int 864bcmfb_diag(video_adapter_t *adp, int level) 865{ 866 867 return (0); 868} 869 870static int 871bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 872{ 873 874 return (0); 875} 876 877static int 878bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 879{ 880 881 return (0); 882} 883 884static int 885bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 886{ 887 888 return (0); 889} 890 891static int 892bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 893 int size, int bpp, int bit_ltor, int byte_ltor) 894{ 895 896 return (0); 897} 898 899static int 900bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 901{ 902 struct video_adapter_softc *sc; 903 int row; 904 int col; 905 int i, j, k; 906 uint8_t *addr; 907 u_char *p; 908 uint8_t fg, bg, color; 909 uint16_t rgb; 910 911 sc = (struct video_adapter_softc *)adp; 912 913 if (sc->fb_addr == 0) 914 return (0); 915 916 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 917 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 918 p = sc->font + c*BCMFB_FONT_HEIGHT; 919 addr = (uint8_t *)sc->fb_addr 920 + (row + sc->ymargin)*(sc->stride) 921 + (sc->depth/8) * (col + sc->xmargin); 922 923 fg = a & 0xf ; 924 bg = (a >> 4) & 0xf; 925 926 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 927 for (j = 0, k = 7; j < 8; j++, k--) { 928 if ((p[i] & (1 << k)) == 0) 929 color = bg; 930 else 931 color = fg; 932 933 switch (sc->depth) { 934 case 32: 935 addr[4*j+0] = bcmfb_palette[color].r; 936 addr[4*j+1] = bcmfb_palette[color].g; 937 addr[4*j+2] = bcmfb_palette[color].b; 938 addr[4*j+3] = bcmfb_palette[color].a; 939 break; 940 case 24: 941 addr[3*j] = bcmfb_palette[color].r; 942 addr[3*j+1] = bcmfb_palette[color].g; 943 addr[3*j+2] = bcmfb_palette[color].b; 944 break; 945 case 16: 946 rgb = (bcmfb_palette[color].r >> 3) << 11; 947 rgb |= (bcmfb_palette[color].g >> 2) << 5; 948 rgb |= (bcmfb_palette[color].b >> 3); 949 addr[2*j] = rgb & 0xff; 950 addr[2*j + 1] = (rgb >> 8) & 0xff; 951 default: 952 /* Not supported yet */ 953 break; 954 } 955 } 956 957 addr += (sc->stride); 958 } 959 960 return (0); 961} 962 963static int 964bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 965{ 966 int i; 967 968 for (i = 0; i < len; i++) 969 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 970 971 return (0); 972} 973 974static int 975bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 976 uint32_t pixel_mask, int size, int width) 977{ 978 979 return (0); 980} 981 982/* 983 * Define a stub keyboard driver in case one hasn't been 984 * compiled into the kernel 985 */ 986#include <sys/kbio.h> 987#include <dev/kbd/kbdreg.h> 988 989static int dummy_kbd_configure(int flags); 990 991keyboard_switch_t bcmdummysw; 992 993static int 994dummy_kbd_configure(int flags) 995{ 996 997 return (0); 998} 999KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); 1000