versatile_clcd.c revision 261410
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/versatile/versatile_clcd.c 261410 2014-02-02 19:17:28Z ian $"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/kernel.h> 34#include <sys/module.h> 35#include <sys/malloc.h> 36#include <sys/rman.h> 37#include <sys/fbio.h> 38#include <sys/consio.h> 39#include <sys/kdb.h> 40 41#include <machine/bus.h> 42#include <machine/cpu.h> 43#include <machine/intr.h> 44 45#include <dev/fdt/fdt_common.h> 46#include <dev/ofw/openfirm.h> 47#include <dev/ofw/ofw_bus.h> 48#include <dev/ofw/ofw_bus_subr.h> 49 50#include <dev/fb/fbreg.h> 51#include <dev/syscons/syscons.h> 52 53#include <machine/bus.h> 54#include <machine/fdt.h> 55 56#define PL110_VENDOR_ARM926PXP 1 57 58#define MEM_SYS 0 59#define MEM_CLCD 1 60#define MEM_REGIONS 2 61 62#define SYS_CLCD 0x00 63#define SYS_CLCD_CLCDID_SHIFT 0x08 64#define SYS_CLCD_CLCDID_MASK 0x1f 65#define SYS_CLCD_PWR3V5VSWITCH (1 << 4) 66#define SYS_CLCD_VDDPOSSWITCH (1 << 3) 67#define SYS_CLCD_NLCDIOON (1 << 2) 68#define SYS_CLCD_LCD_MODE_MASK 0x03 69 70#define CLCD_MODE_RGB888 0x0 71#define CLCD_MODE_RGB555 0x01 72#define CLCD_MODE_RBG565 0x02 73#define CLCD_MODE_RGB565 0x03 74 75#define CLCDC_TIMING0 0x00 76#define CLCDC_TIMING1 0x04 77#define CLCDC_TIMING2 0x08 78#define CLCDC_TIMING3 0x0C 79#define CLCDC_TIMING3 0x0C 80#define CLCDC_UPBASE 0x10 81#define CLCDC_LPBASE 0x14 82#ifdef PL110_VENDOR_ARM926PXP 83#define CLCDC_CONTROL 0x18 84#define CLCDC_IMSC 0x1C 85#else 86#define CLCDC_IMSC 0x18 87#define CLCDC_CONTROL 0x1C 88#endif 89#define CONTROL_WATERMARK (1 << 16) 90#define CONTROL_VCOMP_VS (0 << 12) 91#define CONTROL_VCOMP_BP (1 << 12) 92#define CONTROL_VCOMP_SAV (2 << 12) 93#define CONTROL_VCOMP_FP (3 << 12) 94#define CONTROL_PWR (1 << 11) 95#define CONTROL_BEPO (1 << 10) 96#define CONTROL_BEBO (1 << 9) 97#define CONTROL_BGR (1 << 8) 98#define CONTROL_DUAL (1 << 7) 99#define CONTROL_MONO8 (1 << 6) 100#define CONTROL_TFT (1 << 5) 101#define CONTROL_BW (1 << 4) 102#define CONTROL_BPP1 (0x00 << 1) 103#define CONTROL_BPP2 (0x01 << 1) 104#define CONTROL_BPP4 (0x02 << 1) 105#define CONTROL_BPP8 (0x03 << 1) 106#define CONTROL_BPP16 (0x04 << 1) 107#define CONTROL_BPP24 (0x05 << 1) 108#define CONTROL_EN (1 << 0) 109#define CLCDC_RIS 0x20 110#define CLCDC_MIS 0x24 111#define INTR_MBERR (1 << 4) 112#define INTR_VCOMP (1 << 3) 113#define INTR_LNB (1 << 2) 114#define INTR_FUF (1 << 1) 115#define CLCDC_ICR 0x28 116 117#ifdef DEBUG 118#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \ 119 printf(fmt,##args); } while (0) 120#else 121#define dprintf(fmt, args...) 122#endif 123 124#define versatile_clcdc_sys_read_4(sc, reg) \ 125 bus_read_4((sc)->mem_res[MEM_SYS], (reg)) 126#define versatile_clcdc_sys_write_4(sc, reg, val) \ 127 bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val)) 128 129#define versatile_clcdc_read_4(sc, reg) \ 130 bus_read_4((sc)->mem_res[MEM_CLCD], (reg)) 131#define versatile_clcdc_write_4(sc, reg, val) \ 132 bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val)) 133 134struct versatile_clcdc_softc { 135 struct resource* mem_res[MEM_REGIONS]; 136 137 struct mtx mtx; 138 139 int width; 140 int height; 141 int mode; 142 143 bus_dma_tag_t dma_tag; 144 bus_dmamap_t dma_map; 145 bus_addr_t fb_phys; 146 uint8_t *fb_base; 147 148}; 149 150struct video_adapter_softc { 151 /* Videoadpater part */ 152 video_adapter_t va; 153 int console; 154 155 intptr_t fb_addr; 156 unsigned int fb_size; 157 158 unsigned int height; 159 unsigned int width; 160 unsigned int depth; 161 unsigned int stride; 162 163 unsigned int xmargin; 164 unsigned int ymargin; 165 166 unsigned char *font; 167 int initialized; 168}; 169 170struct argb { 171 uint8_t a; 172 uint8_t r; 173 uint8_t g; 174 uint8_t b; 175}; 176 177static struct argb versatilefb_palette[16] = { 178 {0x00, 0x00, 0x00, 0x00}, 179 {0x00, 0x00, 0x00, 0xaa}, 180 {0x00, 0x00, 0xaa, 0x00}, 181 {0x00, 0x00, 0xaa, 0xaa}, 182 {0x00, 0xaa, 0x00, 0x00}, 183 {0x00, 0xaa, 0x00, 0xaa}, 184 {0x00, 0xaa, 0x55, 0x00}, 185 {0x00, 0xaa, 0xaa, 0xaa}, 186 {0x00, 0x55, 0x55, 0x55}, 187 {0x00, 0x55, 0x55, 0xff}, 188 {0x00, 0x55, 0xff, 0x55}, 189 {0x00, 0x55, 0xff, 0xff}, 190 {0x00, 0xff, 0x55, 0x55}, 191 {0x00, 0xff, 0x55, 0xff}, 192 {0x00, 0xff, 0xff, 0x55}, 193 {0x00, 0xff, 0xff, 0xff} 194}; 195 196/* mouse pointer from dev/syscons/scgfbrndr.c */ 197static u_char mouse_pointer[16] = { 198 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 199 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 200}; 201 202#define FB_WIDTH 640 203#define FB_HEIGHT 480 204#define FB_DEPTH 16 205 206#define VERSATILE_FONT_HEIGHT 16 207 208static struct video_adapter_softc va_softc; 209 210static struct resource_spec versatile_clcdc_mem_spec[] = { 211 { SYS_RES_MEMORY, 0, RF_ACTIVE }, 212 { SYS_RES_MEMORY, 1, RF_ACTIVE }, 213 { -1, 0, 0 } 214}; 215 216static int versatilefb_configure(int); 217static void versatilefb_update_margins(video_adapter_t *adp); 218 219static void 220versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) 221{ 222 bus_addr_t *addr; 223 224 if (err) 225 return; 226 227 addr = (bus_addr_t*)arg; 228 *addr = segs[0].ds_addr; 229} 230 231static int 232versatile_clcdc_probe(device_t dev) 233{ 234 235 if (!ofw_bus_status_okay(dev)) 236 return (ENXIO); 237 238 if (ofw_bus_is_compatible(dev, "arm,pl110")) { 239 device_set_desc(dev, "PL110 CLCD controller"); 240 return (BUS_PROBE_DEFAULT); 241 } 242 243 return (ENXIO); 244} 245 246static int 247versatile_clcdc_attach(device_t dev) 248{ 249 struct versatile_clcdc_softc *sc = device_get_softc(dev); 250 struct video_adapter_softc *va_sc = &va_softc; 251 int err; 252 uint32_t reg; 253 int clcdid; 254 int dma_size; 255 256 /* Request memory resources */ 257 err = bus_alloc_resources(dev, versatile_clcdc_mem_spec, 258 sc->mem_res); 259 if (err) { 260 device_printf(dev, "Error: could not allocate memory resources\n"); 261 return (ENXIO); 262 } 263 264 reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD); 265 clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK; 266 switch (clcdid) { 267 case 31: 268 device_printf(dev, "QEMU VGA 640x480\n"); 269 sc->width = 640; 270 sc->height = 480; 271 break; 272 default: 273 device_printf(dev, "Unsupported: %d\n", clcdid); 274 goto fail; 275 } 276 277 reg &= ~SYS_CLCD_LCD_MODE_MASK; 278 reg |= CLCD_MODE_RGB565; 279 sc->mode = CLCD_MODE_RGB565; 280 versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg); 281 dma_size = sc->width*sc->height*2; 282 283 /* 284 * Power on LCD 285 */ 286 reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON; 287 versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg); 288 289 /* 290 * XXX: hardcoded timing for VGA. For other modes/panels 291 * we need to keep table of timing register values 292 */ 293 /* 294 * XXX: set SYS_OSC1 295 */ 296 versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C); 297 versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF); 298 versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800); 299 /* XXX: timing 3? */ 300 301 /* 302 * Now allocate framebuffer memory 303 */ 304 err = bus_dma_tag_create( 305 bus_get_dma_tag(dev), 306 4, 0, /* alignment, boundary */ 307 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 308 BUS_SPACE_MAXADDR, /* highaddr */ 309 NULL, NULL, /* filter, filterarg */ 310 dma_size, 1, /* maxsize, nsegments */ 311 dma_size, 0, /* maxsegsize, flags */ 312 NULL, NULL, /* lockfunc, lockarg */ 313 &sc->dma_tag); 314 315 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base, 316 0, &sc->dma_map); 317 if (err) { 318 device_printf(dev, "cannot allocate framebuffer\n"); 319 goto fail; 320 } 321 322 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base, 323 dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT); 324 325 if (err) { 326 device_printf(dev, "cannot load DMA map\n"); 327 goto fail; 328 } 329 330 /* Make sure it's blank */ 331 memset(sc->fb_base, 0x00, dma_size); 332 333 versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys); 334 335 err = (sc_attach_unit(device_get_unit(dev), 336 device_get_flags(dev) | SC_AUTODETECT_KBD)); 337 338 if (err) { 339 device_printf(dev, "failed to attach syscons\n"); 340 goto fail; 341 } 342 343 /* 344 * XXX: hardcoded for VGA 345 */ 346 reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN; 347 reg |= CONTROL_BPP16; 348 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg); 349 DELAY(20); 350 reg |= CONTROL_PWR; 351 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg); 352 353 va_sc->fb_addr = (vm_offset_t)sc->fb_base; 354 va_sc->fb_size = dma_size; 355 va_sc->width = sc->width; 356 va_sc->height = sc->height; 357 va_sc->depth = 16; 358 va_sc->stride = sc->width * 2; 359 versatilefb_update_margins(&va_sc->va); 360 361 return (0); 362 363fail: 364 if (sc->fb_base) 365 bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map); 366 if (sc->dma_map) 367 bus_dmamap_destroy(sc->dma_tag, sc->dma_map); 368 if (sc->dma_tag) 369 bus_dma_tag_destroy(sc->dma_tag); 370 return (err); 371} 372 373static device_method_t versatile_clcdc_methods[] = { 374 DEVMETHOD(device_probe, versatile_clcdc_probe), 375 DEVMETHOD(device_attach, versatile_clcdc_attach), 376 377 DEVMETHOD_END 378}; 379 380static driver_t versatile_clcdc_driver = { 381 "clcdc", 382 versatile_clcdc_methods, 383 sizeof(struct versatile_clcdc_softc), 384}; 385 386static devclass_t versatile_clcdc_devclass; 387 388DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0); 389 390/* 391 * Video driver routines and glue. 392 */ 393static vi_probe_t versatilefb_probe; 394static vi_init_t versatilefb_init; 395static vi_get_info_t versatilefb_get_info; 396static vi_query_mode_t versatilefb_query_mode; 397static vi_set_mode_t versatilefb_set_mode; 398static vi_save_font_t versatilefb_save_font; 399static vi_load_font_t versatilefb_load_font; 400static vi_show_font_t versatilefb_show_font; 401static vi_save_palette_t versatilefb_save_palette; 402static vi_load_palette_t versatilefb_load_palette; 403static vi_set_border_t versatilefb_set_border; 404static vi_save_state_t versatilefb_save_state; 405static vi_load_state_t versatilefb_load_state; 406static vi_set_win_org_t versatilefb_set_win_org; 407static vi_read_hw_cursor_t versatilefb_read_hw_cursor; 408static vi_set_hw_cursor_t versatilefb_set_hw_cursor; 409static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape; 410static vi_blank_display_t versatilefb_blank_display; 411static vi_mmap_t versatilefb_mmap; 412static vi_ioctl_t versatilefb_ioctl; 413static vi_clear_t versatilefb_clear; 414static vi_fill_rect_t versatilefb_fill_rect; 415static vi_bitblt_t versatilefb_bitblt; 416static vi_diag_t versatilefb_diag; 417static vi_save_cursor_palette_t versatilefb_save_cursor_palette; 418static vi_load_cursor_palette_t versatilefb_load_cursor_palette; 419static vi_copy_t versatilefb_copy; 420static vi_putp_t versatilefb_putp; 421static vi_putc_t versatilefb_putc; 422static vi_puts_t versatilefb_puts; 423static vi_putm_t versatilefb_putm; 424 425static video_switch_t versatilefbvidsw = { 426 .probe = versatilefb_probe, 427 .init = versatilefb_init, 428 .get_info = versatilefb_get_info, 429 .query_mode = versatilefb_query_mode, 430 .set_mode = versatilefb_set_mode, 431 .save_font = versatilefb_save_font, 432 .load_font = versatilefb_load_font, 433 .show_font = versatilefb_show_font, 434 .save_palette = versatilefb_save_palette, 435 .load_palette = versatilefb_load_palette, 436 .set_border = versatilefb_set_border, 437 .save_state = versatilefb_save_state, 438 .load_state = versatilefb_load_state, 439 .set_win_org = versatilefb_set_win_org, 440 .read_hw_cursor = versatilefb_read_hw_cursor, 441 .set_hw_cursor = versatilefb_set_hw_cursor, 442 .set_hw_cursor_shape = versatilefb_set_hw_cursor_shape, 443 .blank_display = versatilefb_blank_display, 444 .mmap = versatilefb_mmap, 445 .ioctl = versatilefb_ioctl, 446 .clear = versatilefb_clear, 447 .fill_rect = versatilefb_fill_rect, 448 .bitblt = versatilefb_bitblt, 449 .diag = versatilefb_diag, 450 .save_cursor_palette = versatilefb_save_cursor_palette, 451 .load_cursor_palette = versatilefb_load_cursor_palette, 452 .copy = versatilefb_copy, 453 .putp = versatilefb_putp, 454 .putc = versatilefb_putc, 455 .puts = versatilefb_puts, 456 .putm = versatilefb_putm, 457}; 458 459VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure); 460 461static vr_init_t clcdr_init; 462static vr_clear_t clcdr_clear; 463static vr_draw_border_t clcdr_draw_border; 464static vr_draw_t clcdr_draw; 465static vr_set_cursor_t clcdr_set_cursor; 466static vr_draw_cursor_t clcdr_draw_cursor; 467static vr_blink_cursor_t clcdr_blink_cursor; 468static vr_set_mouse_t clcdr_set_mouse; 469static vr_draw_mouse_t clcdr_draw_mouse; 470 471/* 472 * We use our own renderer; this is because we must emulate a hardware 473 * cursor. 474 */ 475static sc_rndr_sw_t clcdrend = { 476 clcdr_init, 477 clcdr_clear, 478 clcdr_draw_border, 479 clcdr_draw, 480 clcdr_set_cursor, 481 clcdr_draw_cursor, 482 clcdr_blink_cursor, 483 clcdr_set_mouse, 484 clcdr_draw_mouse 485}; 486 487RENDERER(versatilefb, 0, clcdrend, gfb_set); 488RENDERER_MODULE(versatilefb, gfb_set); 489 490static void 491clcdr_init(scr_stat* scp) 492{ 493} 494 495static void 496clcdr_clear(scr_stat* scp, int c, int attr) 497{ 498} 499 500static void 501clcdr_draw_border(scr_stat* scp, int color) 502{ 503} 504 505static void 506clcdr_draw(scr_stat* scp, int from, int count, int flip) 507{ 508 video_adapter_t* adp = scp->sc->adp; 509 int i, c, a; 510 511 if (!flip) { 512 /* Normal printing */ 513 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 514 } else { 515 /* This is for selections and such: invert the color attribute */ 516 for (i = count; i-- > 0; ++from) { 517 c = sc_vtb_getc(&scp->vtb, from); 518 a = sc_vtb_geta(&scp->vtb, from) >> 8; 519 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 520 } 521 } 522} 523 524static void 525clcdr_set_cursor(scr_stat* scp, int base, int height, int blink) 526{ 527} 528 529static void 530clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 531{ 532 video_adapter_t* adp = scp->sc->adp; 533 struct video_adapter_softc *sc; 534 int row, col; 535 uint8_t *addr; 536 int i,j; 537 538 sc = (struct video_adapter_softc *)adp; 539 540 if (scp->curs_attr.height <= 0) 541 return; 542 543 if (sc->fb_addr == 0) 544 return; 545 546 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 547 return; 548 549 /* calculate the coordinates in the video buffer */ 550 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 551 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 552 553 addr = (uint8_t *)sc->fb_addr 554 + (row + sc->ymargin)*(sc->stride) 555 + (sc->depth/8) * (col + sc->xmargin); 556 557 /* our cursor consists of simply inverting the char under it */ 558 for (i = 0; i < adp->va_info.vi_cheight; i++) { 559 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 560 561 addr[2*j] ^= 0xff; 562 addr[2*j + 1] ^= 0xff; 563 } 564 565 addr += sc->stride; 566 } 567} 568 569static void 570clcdr_blink_cursor(scr_stat* scp, int at, int flip) 571{ 572} 573 574static void 575clcdr_set_mouse(scr_stat* scp) 576{ 577} 578 579static void 580clcdr_draw_mouse(scr_stat* scp, int x, int y, int on) 581{ 582 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 583 584} 585 586static uint16_t versatilefb_static_window[ROW*COL]; 587extern u_char dflt_font_16[]; 588 589/* 590 * Update videoadapter settings after changing resolution 591 */ 592static void 593versatilefb_update_margins(video_adapter_t *adp) 594{ 595 struct video_adapter_softc *sc; 596 video_info_t *vi; 597 598 sc = (struct video_adapter_softc *)adp; 599 vi = &adp->va_info; 600 601 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 602 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 603} 604 605static int 606versatilefb_configure(int flags) 607{ 608 struct video_adapter_softc *va_sc; 609 610 va_sc = &va_softc; 611 612 if (va_sc->initialized) 613 return (0); 614 615 va_sc->width = FB_WIDTH; 616 va_sc->height = FB_HEIGHT; 617 va_sc->depth = FB_DEPTH; 618 619 versatilefb_init(0, &va_sc->va, 0); 620 621 va_sc->initialized = 1; 622 623 return (0); 624} 625 626static int 627versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 628{ 629 630 return (0); 631} 632 633static int 634versatilefb_init(int unit, video_adapter_t *adp, int flags) 635{ 636 struct video_adapter_softc *sc; 637 video_info_t *vi; 638 639 sc = (struct video_adapter_softc *)adp; 640 vi = &adp->va_info; 641 642 vid_init_struct(adp, "versatilefb", -1, unit); 643 644 sc->font = dflt_font_16; 645 vi->vi_cheight = VERSATILE_FONT_HEIGHT; 646 vi->vi_cwidth = 8; 647 648 vi->vi_width = sc->width/8; 649 vi->vi_height = sc->height/vi->vi_cheight; 650 651 /* 652 * Clamp width/height to syscons maximums 653 */ 654 if (vi->vi_width > COL) 655 vi->vi_width = COL; 656 if (vi->vi_height > ROW) 657 vi->vi_height = ROW; 658 659 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 660 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 661 662 663 adp->va_window = (vm_offset_t) versatilefb_static_window; 664 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 665 666 vid_register(&sc->va); 667 668 return (0); 669} 670 671static int 672versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 673{ 674 bcopy(&adp->va_info, info, sizeof(*info)); 675 return (0); 676} 677 678static int 679versatilefb_query_mode(video_adapter_t *adp, video_info_t *info) 680{ 681 return (0); 682} 683 684static int 685versatilefb_set_mode(video_adapter_t *adp, int mode) 686{ 687 return (0); 688} 689 690static int 691versatilefb_save_font(video_adapter_t *adp, int page, int size, int width, 692 u_char *data, int c, int count) 693{ 694 return (0); 695} 696 697static int 698versatilefb_load_font(video_adapter_t *adp, int page, int size, int width, 699 u_char *data, int c, int count) 700{ 701 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 702 703 sc->font = data; 704 705 return (0); 706} 707 708static int 709versatilefb_show_font(video_adapter_t *adp, int page) 710{ 711 return (0); 712} 713 714static int 715versatilefb_save_palette(video_adapter_t *adp, u_char *palette) 716{ 717 return (0); 718} 719 720static int 721versatilefb_load_palette(video_adapter_t *adp, u_char *palette) 722{ 723 return (0); 724} 725 726static int 727versatilefb_set_border(video_adapter_t *adp, int border) 728{ 729 return (versatilefb_blank_display(adp, border)); 730} 731 732static int 733versatilefb_save_state(video_adapter_t *adp, void *p, size_t size) 734{ 735 return (0); 736} 737 738static int 739versatilefb_load_state(video_adapter_t *adp, void *p) 740{ 741 return (0); 742} 743 744static int 745versatilefb_set_win_org(video_adapter_t *adp, off_t offset) 746{ 747 return (0); 748} 749 750static int 751versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 752{ 753 *col = *row = 0; 754 755 return (0); 756} 757 758static int 759versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row) 760{ 761 762 return (0); 763} 764 765static int 766versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 767 int celsize, int blink) 768{ 769 return (0); 770} 771 772static int 773versatilefb_blank_display(video_adapter_t *adp, int mode) 774{ 775 776 struct video_adapter_softc *sc; 777 778 sc = (struct video_adapter_softc *)adp; 779 if (sc && sc->fb_addr) 780 memset((void*)sc->fb_addr, 0, sc->fb_size); 781 782 return (0); 783} 784 785static int 786versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 787 int prot, vm_memattr_t *memattr) 788{ 789 struct video_adapter_softc *sc; 790 791 sc = (struct video_adapter_softc *)adp; 792 793 /* 794 * This might be a legacy VGA mem request: if so, just point it at the 795 * framebuffer, since it shouldn't be touched 796 */ 797 if (offset < sc->stride*sc->height) { 798 *paddr = sc->fb_addr + offset; 799 return (0); 800 } 801 802 return (EINVAL); 803} 804 805static int 806versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 807{ 808 809 return (0); 810} 811 812static int 813versatilefb_clear(video_adapter_t *adp) 814{ 815 816 return (versatilefb_blank_display(adp, 0)); 817} 818 819static int 820versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 821{ 822 823 return (0); 824} 825 826static int 827versatilefb_bitblt(video_adapter_t *adp, ...) 828{ 829 830 return (0); 831} 832 833static int 834versatilefb_diag(video_adapter_t *adp, int level) 835{ 836 837 return (0); 838} 839 840static int 841versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 842{ 843 844 return (0); 845} 846 847static int 848versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 849{ 850 851 return (0); 852} 853 854static int 855versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 856{ 857 858 return (0); 859} 860 861static int 862versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 863 int size, int bpp, int bit_ltor, int byte_ltor) 864{ 865 866 return (0); 867} 868 869static int 870versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 871{ 872 struct video_adapter_softc *sc; 873 int row; 874 int col; 875 int i, j, k; 876 uint8_t *addr; 877 u_char *p; 878 uint8_t fg, bg, color; 879 uint16_t rgb; 880 881 sc = (struct video_adapter_softc *)adp; 882 883 if (sc->fb_addr == 0) 884 return (0); 885 886 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 887 return (0); 888 889 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 890 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 891 p = sc->font + c*VERSATILE_FONT_HEIGHT; 892 addr = (uint8_t *)sc->fb_addr 893 + (row + sc->ymargin)*(sc->stride) 894 + (sc->depth/8) * (col + sc->xmargin); 895 896 fg = a & 0xf ; 897 bg = (a >> 4) & 0xf; 898 899 for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) { 900 for (j = 0, k = 7; j < 8; j++, k--) { 901 if ((p[i] & (1 << k)) == 0) 902 color = bg; 903 else 904 color = fg; 905 906 switch (sc->depth) { 907 case 16: 908 rgb = (versatilefb_palette[color].r >> 3) << 11; 909 rgb |= (versatilefb_palette[color].g >> 2) << 5; 910 rgb |= (versatilefb_palette[color].b >> 3); 911 addr[2*j] = rgb & 0xff; 912 addr[2*j + 1] = (rgb >> 8) & 0xff; 913 default: 914 /* Not supported yet */ 915 break; 916 } 917 } 918 919 addr += (sc->stride); 920 } 921 922 return (0); 923} 924 925static int 926versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 927{ 928 int i; 929 930 for (i = 0; i < len; i++) 931 versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 932 933 return (0); 934} 935 936static int 937versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 938 uint32_t pixel_mask, int size, int width) 939{ 940 941 return (0); 942} 943 944/* 945 * Define a stub keyboard driver in case one hasn't been 946 * compiled into the kernel 947 */ 948#include <sys/kbio.h> 949#include <dev/kbd/kbdreg.h> 950 951static int dummy_kbd_configure(int flags); 952 953keyboard_switch_t bcmdummysw; 954 955static int 956dummy_kbd_configure(int flags) 957{ 958 959 return (0); 960} 961KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); 962