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FreeBSD/Linux Kernel Cross Reference
sys/arm/versatile/versatile_clcd.c
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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: releng/10.0/sys/arm/versatile/versatile_clcd.c 245071 2013-01-05 21:05:16Z gonzo $"); 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/frame.h> 44 #include <machine/intr.h> 45 46 #include <dev/fdt/fdt_common.h> 47 #include <dev/ofw/openfirm.h> 48 #include <dev/ofw/ofw_bus.h> 49 #include <dev/ofw/ofw_bus_subr.h> 50 51 #include <dev/fb/fbreg.h> 52 #include <dev/syscons/syscons.h> 53 54 #include <machine/bus.h> 55 #include <machine/fdt.h> 56 57 #define PL110_VENDOR_ARM926PXP 1 58 59 #define MEM_SYS 0 60 #define MEM_CLCD 1 61 #define MEM_REGIONS 2 62 63 #define SYS_CLCD 0x00 64 #define SYS_CLCD_CLCDID_SHIFT 0x08 65 #define SYS_CLCD_CLCDID_MASK 0x1f 66 #define SYS_CLCD_PWR3V5VSWITCH (1 << 4) 67 #define SYS_CLCD_VDDPOSSWITCH (1 << 3) 68 #define SYS_CLCD_NLCDIOON (1 << 2) 69 #define SYS_CLCD_LCD_MODE_MASK 0x03 70 71 #define CLCD_MODE_RGB888 0x0 72 #define CLCD_MODE_RGB555 0x01 73 #define CLCD_MODE_RBG565 0x02 74 #define CLCD_MODE_RGB565 0x03 75 76 #define CLCDC_TIMING0 0x00 77 #define CLCDC_TIMING1 0x04 78 #define CLCDC_TIMING2 0x08 79 #define CLCDC_TIMING3 0x0C 80 #define CLCDC_TIMING3 0x0C 81 #define CLCDC_UPBASE 0x10 82 #define CLCDC_LPBASE 0x14 83 #ifdef PL110_VENDOR_ARM926PXP 84 #define CLCDC_CONTROL 0x18 85 #define CLCDC_IMSC 0x1C 86 #else 87 #define CLCDC_IMSC 0x18 88 #define CLCDC_CONTROL 0x1C 89 #endif 90 #define CONTROL_WATERMARK (1 << 16) 91 #define CONTROL_VCOMP_VS (0 << 12) 92 #define CONTROL_VCOMP_BP (1 << 12) 93 #define CONTROL_VCOMP_SAV (2 << 12) 94 #define CONTROL_VCOMP_FP (3 << 12) 95 #define CONTROL_PWR (1 << 11) 96 #define CONTROL_BEPO (1 << 10) 97 #define CONTROL_BEBO (1 << 9) 98 #define CONTROL_BGR (1 << 8) 99 #define CONTROL_DUAL (1 << 7) 100 #define CONTROL_MONO8 (1 << 6) 101 #define CONTROL_TFT (1 << 5) 102 #define CONTROL_BW (1 << 4) 103 #define CONTROL_BPP1 (0x00 << 1) 104 #define CONTROL_BPP2 (0x01 << 1) 105 #define CONTROL_BPP4 (0x02 << 1) 106 #define CONTROL_BPP8 (0x03 << 1) 107 #define CONTROL_BPP16 (0x04 << 1) 108 #define CONTROL_BPP24 (0x05 << 1) 109 #define CONTROL_EN (1 << 0) 110 #define CLCDC_RIS 0x20 111 #define CLCDC_MIS 0x24 112 #define INTR_MBERR (1 << 4) 113 #define INTR_VCOMP (1 << 3) 114 #define INTR_LNB (1 << 2) 115 #define INTR_FUF (1 << 1) 116 #define CLCDC_ICR 0x28 117 118 #ifdef DEBUG 119 #define dprintf(fmt, args...) do { printf("%s(): ", __func__); \ 120 printf(fmt,##args); } while (0) 121 #else 122 #define dprintf(fmt, args...) 123 #endif 124 125 #define versatile_clcdc_sys_read_4(sc, reg) \ 126 bus_read_4((sc)->mem_res[MEM_SYS], (reg)) 127 #define versatile_clcdc_sys_write_4(sc, reg, val) \ 128 bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val)) 129 130 #define versatile_clcdc_read_4(sc, reg) \ 131 bus_read_4((sc)->mem_res[MEM_CLCD], (reg)) 132 #define versatile_clcdc_write_4(sc, reg, val) \ 133 bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val)) 134 135 struct versatile_clcdc_softc { 136 struct resource* mem_res[MEM_REGIONS]; 137 138 struct mtx mtx; 139 140 int width; 141 int height; 142 int mode; 143 144 bus_dma_tag_t dma_tag; 145 bus_dmamap_t dma_map; 146 bus_addr_t fb_phys; 147 uint8_t *fb_base; 148 149 }; 150 151 struct video_adapter_softc { 152 /* Videoadpater part */ 153 video_adapter_t va; 154 int console; 155 156 intptr_t fb_addr; 157 unsigned int fb_size; 158 159 unsigned int height; 160 unsigned int width; 161 unsigned int depth; 162 unsigned int stride; 163 164 unsigned int xmargin; 165 unsigned int ymargin; 166 167 unsigned char *font; 168 int initialized; 169 }; 170 171 struct argb { 172 uint8_t a; 173 uint8_t r; 174 uint8_t g; 175 uint8_t b; 176 }; 177 178 static struct argb versatilefb_palette[16] = { 179 {0x00, 0x00, 0x00, 0x00}, 180 {0x00, 0x00, 0x00, 0xaa}, 181 {0x00, 0x00, 0xaa, 0x00}, 182 {0x00, 0x00, 0xaa, 0xaa}, 183 {0x00, 0xaa, 0x00, 0x00}, 184 {0x00, 0xaa, 0x00, 0xaa}, 185 {0x00, 0xaa, 0x55, 0x00}, 186 {0x00, 0xaa, 0xaa, 0xaa}, 187 {0x00, 0x55, 0x55, 0x55}, 188 {0x00, 0x55, 0x55, 0xff}, 189 {0x00, 0x55, 0xff, 0x55}, 190 {0x00, 0x55, 0xff, 0xff}, 191 {0x00, 0xff, 0x55, 0x55}, 192 {0x00, 0xff, 0x55, 0xff}, 193 {0x00, 0xff, 0xff, 0x55}, 194 {0x00, 0xff, 0xff, 0xff} 195 }; 196 197 /* mouse pointer from dev/syscons/scgfbrndr.c */ 198 static u_char mouse_pointer[16] = { 199 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 200 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 201 }; 202 203 #define FB_WIDTH 640 204 #define FB_HEIGHT 480 205 #define FB_DEPTH 16 206 207 #define VERSATILE_FONT_HEIGHT 16 208 209 static struct video_adapter_softc va_softc; 210 211 static struct resource_spec versatile_clcdc_mem_spec[] = { 212 { SYS_RES_MEMORY, 0, RF_ACTIVE }, 213 { SYS_RES_MEMORY, 1, RF_ACTIVE }, 214 { -1, 0, 0 } 215 }; 216 217 static int versatilefb_configure(int); 218 static void versatilefb_update_margins(video_adapter_t *adp); 219 220 static void 221 versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) 222 { 223 bus_addr_t *addr; 224 225 if (err) 226 return; 227 228 addr = (bus_addr_t*)arg; 229 *addr = segs[0].ds_addr; 230 } 231 232 static int 233 versatile_clcdc_probe(device_t dev) 234 { 235 236 if (ofw_bus_is_compatible(dev, "arm,pl110")) { 237 device_set_desc(dev, "PL110 CLCD controller"); 238 return (BUS_PROBE_DEFAULT); 239 } 240 241 return (ENXIO); 242 } 243 244 static int 245 versatile_clcdc_attach(device_t dev) 246 { 247 struct versatile_clcdc_softc *sc = device_get_softc(dev); 248 struct video_adapter_softc *va_sc = &va_softc; 249 int err; 250 uint32_t reg; 251 int clcdid; 252 int dma_size; 253 254 /* Request memory resources */ 255 err = bus_alloc_resources(dev, versatile_clcdc_mem_spec, 256 sc->mem_res); 257 if (err) { 258 device_printf(dev, "Error: could not allocate memory resources\n"); 259 return (ENXIO); 260 } 261 262 reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD); 263 clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK; 264 switch (clcdid) { 265 case 31: 266 device_printf(dev, "QEMU VGA 640x480\n"); 267 sc->width = 640; 268 sc->height = 480; 269 break; 270 default: 271 device_printf(dev, "Unsupported: %d\n", clcdid); 272 goto fail; 273 } 274 275 reg &= ~SYS_CLCD_LCD_MODE_MASK; 276 reg |= CLCD_MODE_RGB565; 277 sc->mode = CLCD_MODE_RGB565; 278 versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg); 279 dma_size = sc->width*sc->height*2; 280 281 /* 282 * Power on LCD 283 */ 284 reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON; 285 versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg); 286 287 /* 288 * XXX: hardcoded timing for VGA. For other modes/panels 289 * we need to keep table of timing register values 290 */ 291 /* 292 * XXX: set SYS_OSC1 293 */ 294 versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C); 295 versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF); 296 versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800); 297 /* XXX: timing 3? */ 298 299 /* 300 * Now allocate framebuffer memory 301 */ 302 err = bus_dma_tag_create( 303 bus_get_dma_tag(dev), 304 4, 0, /* alignment, boundary */ 305 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 306 BUS_SPACE_MAXADDR, /* highaddr */ 307 NULL, NULL, /* filter, filterarg */ 308 dma_size, 1, /* maxsize, nsegments */ 309 dma_size, 0, /* maxsegsize, flags */ 310 NULL, NULL, /* lockfunc, lockarg */ 311 &sc->dma_tag); 312 313 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base, 314 0, &sc->dma_map); 315 if (err) { 316 device_printf(dev, "cannot allocate framebuffer\n"); 317 goto fail; 318 } 319 320 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base, 321 dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT); 322 323 if (err) { 324 device_printf(dev, "cannot load DMA map\n"); 325 goto fail; 326 } 327 328 /* Make sure it's blank */ 329 memset(sc->fb_base, 0x00, dma_size); 330 331 versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys); 332 333 err = (sc_attach_unit(device_get_unit(dev), 334 device_get_flags(dev) | SC_AUTODETECT_KBD)); 335 336 if (err) { 337 device_printf(dev, "failed to attach syscons\n"); 338 goto fail; 339 } 340 341 /* 342 * XXX: hardcoded for VGA 343 */ 344 reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN; 345 reg |= CONTROL_BPP16; 346 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg); 347 DELAY(20); 348 reg |= CONTROL_PWR; 349 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg); 350 351 va_sc->fb_addr = (vm_offset_t)sc->fb_base; 352 va_sc->fb_size = dma_size; 353 va_sc->width = sc->width; 354 va_sc->height = sc->height; 355 va_sc->depth = 16; 356 va_sc->stride = sc->width * 2; 357 versatilefb_update_margins(&va_sc->va); 358 359 return (0); 360 361 fail: 362 if (sc->fb_base) 363 bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map); 364 if (sc->dma_map) 365 bus_dmamap_destroy(sc->dma_tag, sc->dma_map); 366 if (sc->dma_tag) 367 bus_dma_tag_destroy(sc->dma_tag); 368 return (err); 369 } 370 371 static device_method_t versatile_clcdc_methods[] = { 372 DEVMETHOD(device_probe, versatile_clcdc_probe), 373 DEVMETHOD(device_attach, versatile_clcdc_attach), 374 375 DEVMETHOD_END 376 }; 377 378 static driver_t versatile_clcdc_driver = { 379 "clcdc", 380 versatile_clcdc_methods, 381 sizeof(struct versatile_clcdc_softc), 382 }; 383 384 static devclass_t versatile_clcdc_devclass; 385 386 DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0); 387 388 /* 389 * Video driver routines and glue. 390 */ 391 static vi_probe_t versatilefb_probe; 392 static vi_init_t versatilefb_init; 393 static vi_get_info_t versatilefb_get_info; 394 static vi_query_mode_t versatilefb_query_mode; 395 static vi_set_mode_t versatilefb_set_mode; 396 static vi_save_font_t versatilefb_save_font; 397 static vi_load_font_t versatilefb_load_font; 398 static vi_show_font_t versatilefb_show_font; 399 static vi_save_palette_t versatilefb_save_palette; 400 static vi_load_palette_t versatilefb_load_palette; 401 static vi_set_border_t versatilefb_set_border; 402 static vi_save_state_t versatilefb_save_state; 403 static vi_load_state_t versatilefb_load_state; 404 static vi_set_win_org_t versatilefb_set_win_org; 405 static vi_read_hw_cursor_t versatilefb_read_hw_cursor; 406 static vi_set_hw_cursor_t versatilefb_set_hw_cursor; 407 static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape; 408 static vi_blank_display_t versatilefb_blank_display; 409 static vi_mmap_t versatilefb_mmap; 410 static vi_ioctl_t versatilefb_ioctl; 411 static vi_clear_t versatilefb_clear; 412 static vi_fill_rect_t versatilefb_fill_rect; 413 static vi_bitblt_t versatilefb_bitblt; 414 static vi_diag_t versatilefb_diag; 415 static vi_save_cursor_palette_t versatilefb_save_cursor_palette; 416 static vi_load_cursor_palette_t versatilefb_load_cursor_palette; 417 static vi_copy_t versatilefb_copy; 418 static vi_putp_t versatilefb_putp; 419 static vi_putc_t versatilefb_putc; 420 static vi_puts_t versatilefb_puts; 421 static vi_putm_t versatilefb_putm; 422 423 static video_switch_t versatilefbvidsw = { 424 .probe = versatilefb_probe, 425 .init = versatilefb_init, 426 .get_info = versatilefb_get_info, 427 .query_mode = versatilefb_query_mode, 428 .set_mode = versatilefb_set_mode, 429 .save_font = versatilefb_save_font, 430 .load_font = versatilefb_load_font, 431 .show_font = versatilefb_show_font, 432 .save_palette = versatilefb_save_palette, 433 .load_palette = versatilefb_load_palette, 434 .set_border = versatilefb_set_border, 435 .save_state = versatilefb_save_state, 436 .load_state = versatilefb_load_state, 437 .set_win_org = versatilefb_set_win_org, 438 .read_hw_cursor = versatilefb_read_hw_cursor, 439 .set_hw_cursor = versatilefb_set_hw_cursor, 440 .set_hw_cursor_shape = versatilefb_set_hw_cursor_shape, 441 .blank_display = versatilefb_blank_display, 442 .mmap = versatilefb_mmap, 443 .ioctl = versatilefb_ioctl, 444 .clear = versatilefb_clear, 445 .fill_rect = versatilefb_fill_rect, 446 .bitblt = versatilefb_bitblt, 447 .diag = versatilefb_diag, 448 .save_cursor_palette = versatilefb_save_cursor_palette, 449 .load_cursor_palette = versatilefb_load_cursor_palette, 450 .copy = versatilefb_copy, 451 .putp = versatilefb_putp, 452 .putc = versatilefb_putc, 453 .puts = versatilefb_puts, 454 .putm = versatilefb_putm, 455 }; 456 457 VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure); 458 459 static vr_init_t clcdr_init; 460 static vr_clear_t clcdr_clear; 461 static vr_draw_border_t clcdr_draw_border; 462 static vr_draw_t clcdr_draw; 463 static vr_set_cursor_t clcdr_set_cursor; 464 static vr_draw_cursor_t clcdr_draw_cursor; 465 static vr_blink_cursor_t clcdr_blink_cursor; 466 static vr_set_mouse_t clcdr_set_mouse; 467 static vr_draw_mouse_t clcdr_draw_mouse; 468 469 /* 470 * We use our own renderer; this is because we must emulate a hardware 471 * cursor. 472 */ 473 static sc_rndr_sw_t clcdrend = { 474 clcdr_init, 475 clcdr_clear, 476 clcdr_draw_border, 477 clcdr_draw, 478 clcdr_set_cursor, 479 clcdr_draw_cursor, 480 clcdr_blink_cursor, 481 clcdr_set_mouse, 482 clcdr_draw_mouse 483 }; 484 485 RENDERER(versatilefb, 0, clcdrend, gfb_set); 486 RENDERER_MODULE(versatilefb, gfb_set); 487 488 static void 489 clcdr_init(scr_stat* scp) 490 { 491 } 492 493 static void 494 clcdr_clear(scr_stat* scp, int c, int attr) 495 { 496 } 497 498 static void 499 clcdr_draw_border(scr_stat* scp, int color) 500 { 501 } 502 503 static void 504 clcdr_draw(scr_stat* scp, int from, int count, int flip) 505 { 506 video_adapter_t* adp = scp->sc->adp; 507 int i, c, a; 508 509 if (!flip) { 510 /* Normal printing */ 511 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 512 } else { 513 /* This is for selections and such: invert the color attribute */ 514 for (i = count; i-- > 0; ++from) { 515 c = sc_vtb_getc(&scp->vtb, from); 516 a = sc_vtb_geta(&scp->vtb, from) >> 8; 517 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 518 } 519 } 520 } 521 522 static void 523 clcdr_set_cursor(scr_stat* scp, int base, int height, int blink) 524 { 525 } 526 527 static void 528 clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 529 { 530 video_adapter_t* adp = scp->sc->adp; 531 struct video_adapter_softc *sc; 532 int row, col; 533 uint8_t *addr; 534 int i,j; 535 536 sc = (struct video_adapter_softc *)adp; 537 538 if (scp->curs_attr.height <= 0) 539 return; 540 541 if (sc->fb_addr == 0) 542 return; 543 544 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 545 return; 546 547 /* calculate the coordinates in the video buffer */ 548 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 549 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 550 551 addr = (uint8_t *)sc->fb_addr 552 + (row + sc->ymargin)*(sc->stride) 553 + (sc->depth/8) * (col + sc->xmargin); 554 555 /* our cursor consists of simply inverting the char under it */ 556 for (i = 0; i < adp->va_info.vi_cheight; i++) { 557 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 558 559 addr[2*j] ^= 0xff; 560 addr[2*j + 1] ^= 0xff; 561 } 562 563 addr += sc->stride; 564 } 565 } 566 567 static void 568 clcdr_blink_cursor(scr_stat* scp, int at, int flip) 569 { 570 } 571 572 static void 573 clcdr_set_mouse(scr_stat* scp) 574 { 575 } 576 577 static void 578 clcdr_draw_mouse(scr_stat* scp, int x, int y, int on) 579 { 580 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 581 582 } 583 584 static uint16_t versatilefb_static_window[ROW*COL]; 585 extern u_char dflt_font_16[]; 586 587 /* 588 * Update videoadapter settings after changing resolution 589 */ 590 static void 591 versatilefb_update_margins(video_adapter_t *adp) 592 { 593 struct video_adapter_softc *sc; 594 video_info_t *vi; 595 596 sc = (struct video_adapter_softc *)adp; 597 vi = &adp->va_info; 598 599 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 600 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 601 } 602 603 static int 604 versatilefb_configure(int flags) 605 { 606 struct video_adapter_softc *va_sc; 607 608 va_sc = &va_softc; 609 610 if (va_sc->initialized) 611 return (0); 612 613 va_sc->width = FB_WIDTH; 614 va_sc->height = FB_HEIGHT; 615 va_sc->depth = FB_DEPTH; 616 617 versatilefb_init(0, &va_sc->va, 0); 618 619 va_sc->initialized = 1; 620 621 return (0); 622 } 623 624 static int 625 versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 626 { 627 628 return (0); 629 } 630 631 static int 632 versatilefb_init(int unit, video_adapter_t *adp, int flags) 633 { 634 struct video_adapter_softc *sc; 635 video_info_t *vi; 636 637 sc = (struct video_adapter_softc *)adp; 638 vi = &adp->va_info; 639 640 vid_init_struct(adp, "versatilefb", -1, unit); 641 642 sc->font = dflt_font_16; 643 vi->vi_cheight = VERSATILE_FONT_HEIGHT; 644 vi->vi_cwidth = 8; 645 646 vi->vi_width = sc->width/8; 647 vi->vi_height = sc->height/vi->vi_cheight; 648 649 /* 650 * Clamp width/height to syscons maximums 651 */ 652 if (vi->vi_width > COL) 653 vi->vi_width = COL; 654 if (vi->vi_height > ROW) 655 vi->vi_height = ROW; 656 657 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 658 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 659 660 661 adp->va_window = (vm_offset_t) versatilefb_static_window; 662 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 663 664 vid_register(&sc->va); 665 666 return (0); 667 } 668 669 static int 670 versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 671 { 672 bcopy(&adp->va_info, info, sizeof(*info)); 673 return (0); 674 } 675 676 static int 677 versatilefb_query_mode(video_adapter_t *adp, video_info_t *info) 678 { 679 return (0); 680 } 681 682 static int 683 versatilefb_set_mode(video_adapter_t *adp, int mode) 684 { 685 return (0); 686 } 687 688 static int 689 versatilefb_save_font(video_adapter_t *adp, int page, int size, int width, 690 u_char *data, int c, int count) 691 { 692 return (0); 693 } 694 695 static int 696 versatilefb_load_font(video_adapter_t *adp, int page, int size, int width, 697 u_char *data, int c, int count) 698 { 699 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 700 701 sc->font = data; 702 703 return (0); 704 } 705 706 static int 707 versatilefb_show_font(video_adapter_t *adp, int page) 708 { 709 return (0); 710 } 711 712 static int 713 versatilefb_save_palette(video_adapter_t *adp, u_char *palette) 714 { 715 return (0); 716 } 717 718 static int 719 versatilefb_load_palette(video_adapter_t *adp, u_char *palette) 720 { 721 return (0); 722 } 723 724 static int 725 versatilefb_set_border(video_adapter_t *adp, int border) 726 { 727 return (versatilefb_blank_display(adp, border)); 728 } 729 730 static int 731 versatilefb_save_state(video_adapter_t *adp, void *p, size_t size) 732 { 733 return (0); 734 } 735 736 static int 737 versatilefb_load_state(video_adapter_t *adp, void *p) 738 { 739 return (0); 740 } 741 742 static int 743 versatilefb_set_win_org(video_adapter_t *adp, off_t offset) 744 { 745 return (0); 746 } 747 748 static int 749 versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 750 { 751 *col = *row = 0; 752 753 return (0); 754 } 755 756 static int 757 versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row) 758 { 759 760 return (0); 761 } 762 763 static int 764 versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 765 int celsize, int blink) 766 { 767 return (0); 768 } 769 770 static int 771 versatilefb_blank_display(video_adapter_t *adp, int mode) 772 { 773 774 struct video_adapter_softc *sc; 775 776 sc = (struct video_adapter_softc *)adp; 777 if (sc && sc->fb_addr) 778 memset((void*)sc->fb_addr, 0, sc->fb_size); 779 780 return (0); 781 } 782 783 static int 784 versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 785 int prot, vm_memattr_t *memattr) 786 { 787 struct video_adapter_softc *sc; 788 789 sc = (struct video_adapter_softc *)adp; 790 791 /* 792 * This might be a legacy VGA mem request: if so, just point it at the 793 * framebuffer, since it shouldn't be touched 794 */ 795 if (offset < sc->stride*sc->height) { 796 *paddr = sc->fb_addr + offset; 797 return (0); 798 } 799 800 return (EINVAL); 801 } 802 803 static int 804 versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 805 { 806 807 return (0); 808 } 809 810 static int 811 versatilefb_clear(video_adapter_t *adp) 812 { 813 814 return (versatilefb_blank_display(adp, 0)); 815 } 816 817 static int 818 versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 819 { 820 821 return (0); 822 } 823 824 static int 825 versatilefb_bitblt(video_adapter_t *adp, ...) 826 { 827 828 return (0); 829 } 830 831 static int 832 versatilefb_diag(video_adapter_t *adp, int level) 833 { 834 835 return (0); 836 } 837 838 static int 839 versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 840 { 841 842 return (0); 843 } 844 845 static int 846 versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 847 { 848 849 return (0); 850 } 851 852 static int 853 versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 854 { 855 856 return (0); 857 } 858 859 static int 860 versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 861 int size, int bpp, int bit_ltor, int byte_ltor) 862 { 863 864 return (0); 865 } 866 867 static int 868 versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 869 { 870 struct video_adapter_softc *sc; 871 int row; 872 int col; 873 int i, j, k; 874 uint8_t *addr; 875 u_char *p; 876 uint8_t fg, bg, color; 877 uint16_t rgb; 878 879 sc = (struct video_adapter_softc *)adp; 880 881 if (sc->fb_addr == 0) 882 return (0); 883 884 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 885 return (0); 886 887 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 888 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 889 p = sc->font + c*VERSATILE_FONT_HEIGHT; 890 addr = (uint8_t *)sc->fb_addr 891 + (row + sc->ymargin)*(sc->stride) 892 + (sc->depth/8) * (col + sc->xmargin); 893 894 fg = a & 0xf ; 895 bg = (a >> 4) & 0xf; 896 897 for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) { 898 for (j = 0, k = 7; j < 8; j++, k--) { 899 if ((p[i] & (1 << k)) == 0) 900 color = bg; 901 else 902 color = fg; 903 904 switch (sc->depth) { 905 case 16: 906 rgb = (versatilefb_palette[color].r >> 3) << 11; 907 rgb |= (versatilefb_palette[color].g >> 2) << 5; 908 rgb |= (versatilefb_palette[color].b >> 3); 909 addr[2*j] = rgb & 0xff; 910 addr[2*j + 1] = (rgb >> 8) & 0xff; 911 default: 912 /* Not supported yet */ 913 break; 914 } 915 } 916 917 addr += (sc->stride); 918 } 919 920 return (0); 921 } 922 923 static int 924 versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 925 { 926 int i; 927 928 for (i = 0; i < len; i++) 929 versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 930 931 return (0); 932 } 933 934 static int 935 versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 936 uint32_t pixel_mask, int size, int width) 937 { 938 939 return (0); 940 } 941 942 /* 943 * Define a stub keyboard driver in case one hasn't been 944 * compiled into the kernel 945 */ 946 #include <sys/kbio.h> 947 #include <dev/kbd/kbdreg.h> 948 949 static int dummy_kbd_configure(int flags); 950 951 keyboard_switch_t bcmdummysw; 952 953 static int 954 dummy_kbd_configure(int flags) 955 { 956 957 return (0); 958 } 959 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure);
Cache object: 4d85211b7432fcfb09beea6252f28980
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