Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/arm/ti/am335x/am335x_lcd_syscons.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 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 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/bus.h> 34 #include <sys/conf.h> 35 #include <sys/endian.h> 36 #include <sys/kernel.h> 37 #include <sys/lock.h> 38 #include <sys/malloc.h> 39 #include <sys/module.h> 40 #include <sys/mutex.h> 41 #include <sys/resource.h> 42 #include <sys/rman.h> 43 #include <sys/fbio.h> 44 #include <sys/consio.h> 45 46 #include <sys/kdb.h> 47 48 #include <machine/bus.h> 49 #include <machine/resource.h> 50 #include <machine/intr.h> 51 52 #include <dev/ofw/ofw_bus.h> 53 #include <dev/ofw/ofw_bus_subr.h> 54 55 #include <dev/fb/fbreg.h> 56 #include <dev/syscons/syscons.h> 57 58 #include "am335x_lcd.h" 59 60 struct video_adapter_softc { 61 /* Videoadpater part */ 62 video_adapter_t va; 63 int console; 64 65 intptr_t fb_addr; 66 intptr_t fb_paddr; 67 unsigned int fb_size; 68 69 unsigned int height; 70 unsigned int width; 71 unsigned int depth; 72 unsigned int stride; 73 74 unsigned int xmargin; 75 unsigned int ymargin; 76 77 unsigned char *font; 78 int initialized; 79 }; 80 81 struct argb { 82 uint8_t a; 83 uint8_t r; 84 uint8_t g; 85 uint8_t b; 86 }; 87 88 static struct argb am335x_syscons_palette[16] = { 89 {0x00, 0x00, 0x00, 0x00}, 90 {0x00, 0x00, 0x00, 0xaa}, 91 {0x00, 0x00, 0xaa, 0x00}, 92 {0x00, 0x00, 0xaa, 0xaa}, 93 {0x00, 0xaa, 0x00, 0x00}, 94 {0x00, 0xaa, 0x00, 0xaa}, 95 {0x00, 0xaa, 0x55, 0x00}, 96 {0x00, 0xaa, 0xaa, 0xaa}, 97 {0x00, 0x55, 0x55, 0x55}, 98 {0x00, 0x55, 0x55, 0xff}, 99 {0x00, 0x55, 0xff, 0x55}, 100 {0x00, 0x55, 0xff, 0xff}, 101 {0x00, 0xff, 0x55, 0x55}, 102 {0x00, 0xff, 0x55, 0xff}, 103 {0x00, 0xff, 0xff, 0x55}, 104 {0x00, 0xff, 0xff, 0xff} 105 }; 106 107 /* mouse pointer from dev/syscons/scgfbrndr.c */ 108 static u_char mouse_pointer[16] = { 109 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 110 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 111 }; 112 113 #define AM335X_FONT_HEIGHT 16 114 115 #define FB_WIDTH 640 116 #define FB_HEIGHT 480 117 #define FB_DEPTH 24 118 119 static struct video_adapter_softc va_softc; 120 121 static int am335x_syscons_configure(int flags); 122 123 /* 124 * Video driver routines and glue. 125 */ 126 static vi_probe_t am335x_syscons_probe; 127 static vi_init_t am335x_syscons_init; 128 static vi_get_info_t am335x_syscons_get_info; 129 static vi_query_mode_t am335x_syscons_query_mode; 130 static vi_set_mode_t am335x_syscons_set_mode; 131 static vi_save_font_t am335x_syscons_save_font; 132 static vi_load_font_t am335x_syscons_load_font; 133 static vi_show_font_t am335x_syscons_show_font; 134 static vi_save_palette_t am335x_syscons_save_palette; 135 static vi_load_palette_t am335x_syscons_load_palette; 136 static vi_set_border_t am335x_syscons_set_border; 137 static vi_save_state_t am335x_syscons_save_state; 138 static vi_load_state_t am335x_syscons_load_state; 139 static vi_set_win_org_t am335x_syscons_set_win_org; 140 static vi_read_hw_cursor_t am335x_syscons_read_hw_cursor; 141 static vi_set_hw_cursor_t am335x_syscons_set_hw_cursor; 142 static vi_set_hw_cursor_shape_t am335x_syscons_set_hw_cursor_shape; 143 static vi_blank_display_t am335x_syscons_blank_display; 144 static vi_mmap_t am335x_syscons_mmap; 145 static vi_ioctl_t am335x_syscons_ioctl; 146 static vi_clear_t am335x_syscons_clear; 147 static vi_fill_rect_t am335x_syscons_fill_rect; 148 static vi_bitblt_t am335x_syscons_bitblt; 149 static vi_diag_t am335x_syscons_diag; 150 static vi_save_cursor_palette_t am335x_syscons_save_cursor_palette; 151 static vi_load_cursor_palette_t am335x_syscons_load_cursor_palette; 152 static vi_copy_t am335x_syscons_copy; 153 static vi_putp_t am335x_syscons_putp; 154 static vi_putc_t am335x_syscons_putc; 155 static vi_puts_t am335x_syscons_puts; 156 static vi_putm_t am335x_syscons_putm; 157 158 static video_switch_t am335x_sysconsvidsw = { 159 .probe = am335x_syscons_probe, 160 .init = am335x_syscons_init, 161 .get_info = am335x_syscons_get_info, 162 .query_mode = am335x_syscons_query_mode, 163 .set_mode = am335x_syscons_set_mode, 164 .save_font = am335x_syscons_save_font, 165 .load_font = am335x_syscons_load_font, 166 .show_font = am335x_syscons_show_font, 167 .save_palette = am335x_syscons_save_palette, 168 .load_palette = am335x_syscons_load_palette, 169 .set_border = am335x_syscons_set_border, 170 .save_state = am335x_syscons_save_state, 171 .load_state = am335x_syscons_load_state, 172 .set_win_org = am335x_syscons_set_win_org, 173 .read_hw_cursor = am335x_syscons_read_hw_cursor, 174 .set_hw_cursor = am335x_syscons_set_hw_cursor, 175 .set_hw_cursor_shape = am335x_syscons_set_hw_cursor_shape, 176 .blank_display = am335x_syscons_blank_display, 177 .mmap = am335x_syscons_mmap, 178 .ioctl = am335x_syscons_ioctl, 179 .clear = am335x_syscons_clear, 180 .fill_rect = am335x_syscons_fill_rect, 181 .bitblt = am335x_syscons_bitblt, 182 .diag = am335x_syscons_diag, 183 .save_cursor_palette = am335x_syscons_save_cursor_palette, 184 .load_cursor_palette = am335x_syscons_load_cursor_palette, 185 .copy = am335x_syscons_copy, 186 .putp = am335x_syscons_putp, 187 .putc = am335x_syscons_putc, 188 .puts = am335x_syscons_puts, 189 .putm = am335x_syscons_putm, 190 }; 191 192 VIDEO_DRIVER(am335x_syscons, am335x_sysconsvidsw, am335x_syscons_configure); 193 194 static vr_init_t am335x_rend_init; 195 static vr_clear_t am335x_rend_clear; 196 static vr_draw_border_t am335x_rend_draw_border; 197 static vr_draw_t am335x_rend_draw; 198 static vr_set_cursor_t am335x_rend_set_cursor; 199 static vr_draw_cursor_t am335x_rend_draw_cursor; 200 static vr_blink_cursor_t am335x_rend_blink_cursor; 201 static vr_set_mouse_t am335x_rend_set_mouse; 202 static vr_draw_mouse_t am335x_rend_draw_mouse; 203 204 /* 205 * We use our own renderer; this is because we must emulate a hardware 206 * cursor. 207 */ 208 static sc_rndr_sw_t am335x_rend = { 209 am335x_rend_init, 210 am335x_rend_clear, 211 am335x_rend_draw_border, 212 am335x_rend_draw, 213 am335x_rend_set_cursor, 214 am335x_rend_draw_cursor, 215 am335x_rend_blink_cursor, 216 am335x_rend_set_mouse, 217 am335x_rend_draw_mouse 218 }; 219 220 RENDERER(am335x_syscons, 0, am335x_rend, gfb_set); 221 RENDERER_MODULE(am335x_syscons, gfb_set); 222 223 static void 224 am335x_rend_init(scr_stat* scp) 225 { 226 } 227 228 static void 229 am335x_rend_clear(scr_stat* scp, int c, int attr) 230 { 231 } 232 233 static void 234 am335x_rend_draw_border(scr_stat* scp, int color) 235 { 236 } 237 238 static void 239 am335x_rend_draw(scr_stat* scp, int from, int count, int flip) 240 { 241 video_adapter_t* adp = scp->sc->adp; 242 int i, c, a; 243 244 if (!flip) { 245 /* Normal printing */ 246 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 247 } else { 248 /* This is for selections and such: invert the color attribute */ 249 for (i = count; i-- > 0; ++from) { 250 c = sc_vtb_getc(&scp->vtb, from); 251 a = sc_vtb_geta(&scp->vtb, from) >> 8; 252 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 253 } 254 } 255 } 256 257 static void 258 am335x_rend_set_cursor(scr_stat* scp, int base, int height, int blink) 259 { 260 } 261 262 static void 263 am335x_rend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 264 { 265 video_adapter_t* adp = scp->sc->adp; 266 struct video_adapter_softc *sc; 267 int row, col; 268 uint8_t *addr; 269 int i, j, bytes; 270 271 sc = (struct video_adapter_softc *)adp; 272 273 if (scp->curs_attr.height <= 0) 274 return; 275 276 if (sc->fb_addr == 0) 277 return; 278 279 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 280 return; 281 282 /* calculate the coordinates in the video buffer */ 283 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 284 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 285 286 addr = (uint8_t *)sc->fb_addr 287 + (row + sc->ymargin)*(sc->stride) 288 + (sc->depth/8) * (col + sc->xmargin); 289 290 bytes = sc->depth/8; 291 292 /* our cursor consists of simply inverting the char under it */ 293 for (i = 0; i < adp->va_info.vi_cheight; i++) { 294 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 295 switch (sc->depth) { 296 case 32: 297 case 24: 298 addr[bytes*j + 2] ^= 0xff; 299 /* FALLTHROUGH */ 300 case 16: 301 addr[bytes*j + 1] ^= 0xff; 302 addr[bytes*j] ^= 0xff; 303 break; 304 default: 305 break; 306 } 307 } 308 309 addr += sc->stride; 310 } 311 } 312 313 static void 314 am335x_rend_blink_cursor(scr_stat* scp, int at, int flip) 315 { 316 } 317 318 static void 319 am335x_rend_set_mouse(scr_stat* scp) 320 { 321 } 322 323 static void 324 am335x_rend_draw_mouse(scr_stat* scp, int x, int y, int on) 325 { 326 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 327 } 328 329 static uint16_t am335x_syscons_static_window[ROW*COL]; 330 extern u_char dflt_font_16[]; 331 332 /* 333 * Update videoadapter settings after changing resolution 334 */ 335 static void 336 am335x_syscons_update_margins(video_adapter_t *adp) 337 { 338 struct video_adapter_softc *sc; 339 video_info_t *vi; 340 341 sc = (struct video_adapter_softc *)adp; 342 vi = &adp->va_info; 343 344 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 345 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 346 } 347 348 static phandle_t 349 am335x_syscons_find_panel_node(phandle_t start) 350 { 351 phandle_t child; 352 phandle_t result; 353 354 for (child = OF_child(start); child != 0; child = OF_peer(child)) { 355 if (ofw_bus_node_is_compatible(child, "ti,am335x-lcd")) 356 return (child); 357 if ((result = am335x_syscons_find_panel_node(child))) 358 return (result); 359 } 360 361 return (0); 362 } 363 364 static int 365 am335x_syscons_configure(int flags) 366 { 367 struct video_adapter_softc *va_sc; 368 369 va_sc = &va_softc; 370 phandle_t display, root; 371 pcell_t cell; 372 373 if (va_sc->initialized) 374 return (0); 375 376 va_sc->width = 0; 377 va_sc->height = 0; 378 379 /* 380 * It seems there is no way to let syscons framework know 381 * that framebuffer resolution has changed. So just try 382 * to fetch data from FDT and go with defaults if failed 383 */ 384 root = OF_finddevice("/"); 385 if ((root != -1) && 386 (display = am335x_syscons_find_panel_node(root))) { 387 if ((OF_getencprop(display, "panel_width", &cell, 388 sizeof(cell))) > 0) 389 va_sc->width = cell; 390 391 if ((OF_getencprop(display, "panel_height", &cell, 392 sizeof(cell))) > 0) 393 va_sc->height = cell; 394 } 395 396 if (va_sc->width == 0) 397 va_sc->width = FB_WIDTH; 398 if (va_sc->height == 0) 399 va_sc->height = FB_HEIGHT; 400 401 am335x_syscons_init(0, &va_sc->va, 0); 402 403 va_sc->initialized = 1; 404 405 return (0); 406 } 407 408 static int 409 am335x_syscons_probe(int unit, video_adapter_t **adp, void *arg, int flags) 410 { 411 412 return (0); 413 } 414 415 static int 416 am335x_syscons_init(int unit, video_adapter_t *adp, int flags) 417 { 418 struct video_adapter_softc *sc; 419 video_info_t *vi; 420 421 sc = (struct video_adapter_softc *)adp; 422 vi = &adp->va_info; 423 424 vid_init_struct(adp, "am335x_syscons", -1, unit); 425 426 sc->font = dflt_font_16; 427 vi->vi_cheight = AM335X_FONT_HEIGHT; 428 vi->vi_cwidth = 8; 429 430 vi->vi_width = sc->width/8; 431 vi->vi_height = sc->height/vi->vi_cheight; 432 433 /* 434 * Clamp width/height to syscons maximums 435 */ 436 if (vi->vi_width > COL) 437 vi->vi_width = COL; 438 if (vi->vi_height > ROW) 439 vi->vi_height = ROW; 440 441 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 442 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 443 444 adp->va_window = (vm_offset_t) am335x_syscons_static_window; 445 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 446 447 vid_register(&sc->va); 448 449 return (0); 450 } 451 452 static int 453 am335x_syscons_get_info(video_adapter_t *adp, int mode, video_info_t *info) 454 { 455 bcopy(&adp->va_info, info, sizeof(*info)); 456 return (0); 457 } 458 459 static int 460 am335x_syscons_query_mode(video_adapter_t *adp, video_info_t *info) 461 { 462 return (0); 463 } 464 465 static int 466 am335x_syscons_set_mode(video_adapter_t *adp, int mode) 467 { 468 return (0); 469 } 470 471 static int 472 am335x_syscons_save_font(video_adapter_t *adp, int page, int size, int width, 473 u_char *data, int c, int count) 474 { 475 return (0); 476 } 477 478 static int 479 am335x_syscons_load_font(video_adapter_t *adp, int page, int size, int width, 480 u_char *data, int c, int count) 481 { 482 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 483 484 sc->font = data; 485 486 return (0); 487 } 488 489 static int 490 am335x_syscons_show_font(video_adapter_t *adp, int page) 491 { 492 return (0); 493 } 494 495 static int 496 am335x_syscons_save_palette(video_adapter_t *adp, u_char *palette) 497 { 498 return (0); 499 } 500 501 static int 502 am335x_syscons_load_palette(video_adapter_t *adp, u_char *palette) 503 { 504 return (0); 505 } 506 507 static int 508 am335x_syscons_set_border(video_adapter_t *adp, int border) 509 { 510 return (am335x_syscons_blank_display(adp, border)); 511 } 512 513 static int 514 am335x_syscons_save_state(video_adapter_t *adp, void *p, size_t size) 515 { 516 return (0); 517 } 518 519 static int 520 am335x_syscons_load_state(video_adapter_t *adp, void *p) 521 { 522 return (0); 523 } 524 525 static int 526 am335x_syscons_set_win_org(video_adapter_t *adp, off_t offset) 527 { 528 return (0); 529 } 530 531 static int 532 am335x_syscons_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 533 { 534 *col = *row = 0; 535 536 return (0); 537 } 538 539 static int 540 am335x_syscons_set_hw_cursor(video_adapter_t *adp, int col, int row) 541 { 542 return (0); 543 } 544 545 static int 546 am335x_syscons_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 547 int celsize, int blink) 548 { 549 return (0); 550 } 551 552 static int 553 am335x_syscons_blank_display(video_adapter_t *adp, int mode) 554 { 555 556 struct video_adapter_softc *sc; 557 558 sc = (struct video_adapter_softc *)adp; 559 if (sc && sc->fb_addr) 560 memset((void*)sc->fb_addr, 0, sc->fb_size); 561 562 return (0); 563 } 564 565 static int 566 am335x_syscons_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 567 int prot, vm_memattr_t *memattr) 568 { 569 struct video_adapter_softc *sc; 570 571 sc = (struct video_adapter_softc *)adp; 572 573 /* 574 * This might be a legacy VGA mem request: if so, just point it at the 575 * framebuffer, since it shouldn't be touched 576 */ 577 if (offset < sc->stride*sc->height) { 578 *paddr = sc->fb_paddr + offset; 579 return (0); 580 } 581 582 return (EINVAL); 583 } 584 585 static int 586 am335x_syscons_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 587 { 588 struct video_adapter_softc *sc; 589 struct fbtype *fb; 590 591 sc = (struct video_adapter_softc *)adp; 592 593 switch (cmd) { 594 case FBIOGTYPE: 595 fb = (struct fbtype *)data; 596 fb->fb_type = FBTYPE_PCIMISC; 597 fb->fb_height = sc->height; 598 fb->fb_width = sc->width; 599 fb->fb_depth = sc->depth; 600 if (sc->depth <= 1 || sc->depth > 8) 601 fb->fb_cmsize = 0; 602 else 603 fb->fb_cmsize = 1 << sc->depth; 604 fb->fb_size = sc->fb_size; 605 break; 606 default: 607 return (fb_commonioctl(adp, cmd, data)); 608 } 609 610 return (0); 611 } 612 613 static int 614 am335x_syscons_clear(video_adapter_t *adp) 615 { 616 617 return (am335x_syscons_blank_display(adp, 0)); 618 } 619 620 static int 621 am335x_syscons_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 622 { 623 624 return (0); 625 } 626 627 static int 628 am335x_syscons_bitblt(video_adapter_t *adp, ...) 629 { 630 631 return (0); 632 } 633 634 static int 635 am335x_syscons_diag(video_adapter_t *adp, int level) 636 { 637 638 return (0); 639 } 640 641 static int 642 am335x_syscons_save_cursor_palette(video_adapter_t *adp, u_char *palette) 643 { 644 645 return (0); 646 } 647 648 static int 649 am335x_syscons_load_cursor_palette(video_adapter_t *adp, u_char *palette) 650 { 651 652 return (0); 653 } 654 655 static int 656 am335x_syscons_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 657 { 658 659 return (0); 660 } 661 662 static int 663 am335x_syscons_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 664 int size, int bpp, int bit_ltor, int byte_ltor) 665 { 666 667 return (0); 668 } 669 670 static int 671 am335x_syscons_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 672 { 673 struct video_adapter_softc *sc; 674 int row; 675 int col; 676 int i, j, k; 677 uint8_t *addr; 678 u_char *p; 679 uint8_t fg, bg, color; 680 uint16_t rgb; 681 682 sc = (struct video_adapter_softc *)adp; 683 684 if (sc->fb_addr == 0) 685 return (0); 686 687 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 688 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 689 p = sc->font + c*AM335X_FONT_HEIGHT; 690 addr = (uint8_t *)sc->fb_addr 691 + (row + sc->ymargin)*(sc->stride) 692 + (sc->depth/8) * (col + sc->xmargin); 693 694 fg = a & 0xf ; 695 bg = (a >> 4) & 0xf; 696 697 for (i = 0; i < AM335X_FONT_HEIGHT; i++) { 698 for (j = 0, k = 7; j < 8; j++, k--) { 699 if ((p[i] & (1 << k)) == 0) 700 color = bg; 701 else 702 color = fg; 703 704 switch (sc->depth) { 705 case 32: 706 addr[4*j+0] = am335x_syscons_palette[color].r; 707 addr[4*j+1] = am335x_syscons_palette[color].g; 708 addr[4*j+2] = am335x_syscons_palette[color].b; 709 addr[4*j+3] = am335x_syscons_palette[color].a; 710 break; 711 case 24: 712 addr[3*j] = am335x_syscons_palette[color].r; 713 addr[3*j+1] = am335x_syscons_palette[color].g; 714 addr[3*j+2] = am335x_syscons_palette[color].b; 715 break; 716 case 16: 717 rgb = (am335x_syscons_palette[color].r >> 3) << 11; 718 rgb |= (am335x_syscons_palette[color].g >> 2) << 5; 719 rgb |= (am335x_syscons_palette[color].b >> 3); 720 addr[2*j] = rgb & 0xff; 721 addr[2*j + 1] = (rgb >> 8) & 0xff; 722 default: 723 /* Not supported yet */ 724 break; 725 } 726 } 727 728 addr += (sc->stride); 729 } 730 731 return (0); 732 } 733 734 static int 735 am335x_syscons_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 736 { 737 int i; 738 739 for (i = 0; i < len; i++) 740 am335x_syscons_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 741 742 return (0); 743 } 744 745 static int 746 am335x_syscons_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 747 uint32_t pixel_mask, int size, int width) 748 { 749 750 return (0); 751 } 752 753 /* Initialization function */ 754 int am335x_lcd_syscons_setup(vm_offset_t vaddr, vm_paddr_t paddr, 755 struct panel_info *panel) 756 { 757 struct video_adapter_softc *va_sc = &va_softc; 758 759 va_sc->fb_addr = vaddr; 760 va_sc->fb_paddr = paddr; 761 va_sc->depth = panel->bpp; 762 va_sc->stride = panel->bpp*panel->panel_width/8; 763 764 va_sc->width = panel->panel_width; 765 va_sc->height = panel->panel_height; 766 va_sc->fb_size = va_sc->width * va_sc->height 767 * va_sc->depth/8; 768 am335x_syscons_update_margins(&va_sc->va); 769 770 return (0); 771 }
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