1 /* $NetBSD: igsfb.c,v 1.48 2009/12/24 19:16:28 elad Exp $ */ 2 3 /* 4 * Copyright (c) 2002, 2003 Valeriy E. Ushakov 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * Integraphics Systems IGA 168x and CyberPro series. 32 */ 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: igsfb.c,v 1.48 2009/12/24 19:16:28 elad Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/ioctl.h> 42 43 #include <sys/bus.h> 44 45 #include <dev/wscons/wsdisplayvar.h> 46 #include <dev/wscons/wsconsio.h> 47 #include <dev/wsfont/wsfont.h> 48 #include <dev/rasops/rasops.h> 49 50 #include <dev/wscons/wsdisplay_vconsvar.h> 51 52 #include <dev/ic/igsfbreg.h> 53 #include <dev/ic/igsfbvar.h> 54 55 56 struct igsfb_devconfig igsfb_console_dc = { 57 .dc_mmap = NULL, 58 .dc_modestring = "", 59 }; 60 61 /* 62 * wsscreen 63 */ 64 65 /* filled from rasops_info in igsfb_init_wsdisplay */ 66 static struct wsscreen_descr igsfb_stdscreen = { 67 .name = "std", 68 }; 69 70 static const struct wsscreen_descr *_igsfb_scrlist[] = { 71 &igsfb_stdscreen, 72 }; 73 74 static const struct wsscreen_list igsfb_screenlist = { 75 .nscreens = sizeof(_igsfb_scrlist) / sizeof(_igsfb_scrlist[0]), 76 .screens = _igsfb_scrlist, 77 }; 78 79 80 /* 81 * wsdisplay_accessops 82 */ 83 84 static int igsfb_ioctl(void *, void *, u_long, void *, int, struct lwp *); 85 static paddr_t igsfb_mmap(void *, void *, off_t, int); 86 87 static struct wsdisplay_accessops igsfb_accessops = { 88 .ioctl = igsfb_ioctl, 89 .mmap = igsfb_mmap, 90 }; 91 92 93 /* 94 * acceleration 95 */ 96 static int igsfb_make_text_cursor(struct igsfb_devconfig *, 97 struct vcons_screen *); 98 static void igsfb_accel_cursor(void *, int, int, int); 99 100 static int igsfb_accel_wait(struct igsfb_devconfig *); 101 static void igsfb_accel_fill(struct igsfb_devconfig *, 102 uint32_t, uint32_t, uint16_t, uint16_t); 103 static void igsfb_accel_copy(struct igsfb_devconfig *, 104 uint32_t, uint32_t, uint16_t, uint16_t); 105 106 static void igsfb_accel_copycols(void *, int, int, int, int); 107 static void igsfb_accel_erasecols(void *, int, int, int, long); 108 static void igsfb_accel_copyrows(void *, int, int, int); 109 static void igsfb_accel_eraserows(void *, int, int, long); 110 static void igsfb_accel_putchar(void *, int, int, u_int, long); 111 112 113 /* 114 * internal functions 115 */ 116 static int igsfb_init_video(struct igsfb_devconfig *); 117 static void igsfb_init_cmap(struct igsfb_devconfig *); 118 static uint16_t igsfb_spread_bits_8(uint8_t); 119 static void igsfb_init_bit_table(struct igsfb_devconfig *); 120 static void igsfb_init_wsdisplay(void *, struct vcons_screen *, int, 121 long *); 122 123 124 static void igsfb_blank_screen(struct igsfb_devconfig *, int); 125 static int igsfb_get_cmap(struct igsfb_devconfig *, 126 struct wsdisplay_cmap *); 127 static int igsfb_set_cmap(struct igsfb_devconfig *, 128 const struct wsdisplay_cmap *); 129 static void igsfb_update_cmap(struct igsfb_devconfig *, u_int, u_int); 130 static void igsfb_set_curpos(struct igsfb_devconfig *, 131 const struct wsdisplay_curpos *); 132 static void igsfb_update_curpos(struct igsfb_devconfig *); 133 static int igsfb_get_cursor(struct igsfb_devconfig *, 134 struct wsdisplay_cursor *); 135 static int igsfb_set_cursor(struct igsfb_devconfig *, 136 const struct wsdisplay_cursor *); 137 static void igsfb_update_cursor(struct igsfb_devconfig *, u_int); 138 static void igsfb_convert_cursor_data(struct igsfb_devconfig *, 139 u_int, u_int); 140 141 142 int 143 igsfb_cnattach_subr(struct igsfb_devconfig *dc) 144 { 145 struct rasops_info *ri; 146 long defattr; 147 148 KASSERT(dc == &igsfb_console_dc); 149 150 igsfb_init_video(dc); 151 dc->dc_vd.active = NULL; 152 igsfb_init_wsdisplay(dc, &dc->dc_console, 1, &defattr); 153 154 ri = &dc->dc_console.scr_ri; 155 ri->ri_hw = &dc->dc_console; 156 dc->dc_console.scr_cookie = dc; 157 158 (*ri->ri_ops.allocattr)(ri, 159 WS_DEFAULT_FG, /* fg */ 160 WS_DEFAULT_BG, /* bg */ 161 0, /* wsattrs */ 162 &defattr); 163 164 wsdisplay_cnattach(&igsfb_stdscreen, 165 ri, /* emulcookie */ 166 0, 0, /* cursor position */ 167 defattr); 168 return 0; 169 } 170 171 172 /* 173 * Finish off the attach. Bus specific attach method should have 174 * enabled io and memory accesses and mapped io (and cop?) registers. 175 */ 176 void 177 igsfb_attach_subr(struct igsfb_softc *sc, int isconsole) 178 { 179 struct igsfb_devconfig *dc = sc->sc_dc; 180 struct wsemuldisplaydev_attach_args waa; 181 struct rasops_info *ri; 182 long defattr; 183 184 KASSERT(dc != NULL); 185 186 if (!isconsole) { 187 igsfb_init_video(dc); 188 } 189 190 vcons_init(&dc->dc_vd, dc, &igsfb_stdscreen, &igsfb_accessops); 191 dc->dc_vd.init_screen = igsfb_init_wsdisplay; 192 193 vcons_init_screen(&dc->dc_vd, &dc->dc_console, 1, &defattr); 194 dc->dc_console.scr_flags |= VCONS_SCREEN_IS_STATIC; 195 196 printf("%s: %dMB, %s%dx%d, %dbpp\n", 197 device_xname(&sc->sc_dev), 198 (uint32_t)(dc->dc_vmemsz >> 20), 199 (dc->dc_hwflags & IGSFB_HW_BSWAP) 200 ? (dc->dc_hwflags & IGSFB_HW_BE_SELECT) 201 ? "hardware bswap, " : "software bswap, " 202 : "", 203 dc->dc_width, dc->dc_height, dc->dc_depth); 204 printf("%s: using %dbpp for X\n", device_xname(&sc->sc_dev), 205 dc->dc_maxdepth); 206 ri = &dc->dc_console.scr_ri; 207 ri->ri_ops.eraserows(ri, 0, ri->ri_rows, defattr); 208 209 if (isconsole) 210 vcons_replay_msgbuf(&dc->dc_console); 211 212 /* attach wsdisplay */ 213 waa.console = isconsole; 214 waa.scrdata = &igsfb_screenlist; 215 waa.accessops = &igsfb_accessops; 216 waa.accesscookie = &dc->dc_vd; 217 218 config_found(&sc->sc_dev, &waa, wsemuldisplaydevprint); 219 } 220 221 222 static int 223 igsfb_init_video(struct igsfb_devconfig *dc) 224 { 225 bus_space_handle_t tmph; 226 uint8_t *p; 227 int need_bswap; 228 bus_addr_t fbaddr, craddr; 229 off_t croffset; 230 uint8_t busctl, curctl; 231 void *va; 232 233 /* Total amount of video memory. */ 234 busctl = igs_ext_read(dc->dc_iot, dc->dc_ioh, IGS_EXT_BUS_CTL); 235 if (busctl & 0x2) 236 dc->dc_vmemsz = 4; 237 else if (busctl & 0x1) 238 dc->dc_vmemsz = 2; 239 else 240 dc->dc_vmemsz = 1; 241 dc->dc_vmemsz <<= 20; /* megabytes -> bytes */ 242 243 /* 244 * Check for endianness mismatch by writing a word at the end of 245 * the video memory (off-screen) and reading it back byte-by-byte. 246 */ 247 if (bus_space_map(dc->dc_memt, 248 dc->dc_memaddr + dc->dc_vmemsz - sizeof(uint32_t), 249 sizeof(uint32_t), 250 dc->dc_memflags | BUS_SPACE_MAP_LINEAR, 251 &tmph) != 0) 252 { 253 printf("unable to map video memory for endianness test\n"); 254 return 1; 255 } 256 257 p = bus_space_vaddr(dc->dc_memt, tmph); 258 #if BYTE_ORDER == BIG_ENDIAN 259 *((uint32_t *)p) = 0x12345678; 260 #else 261 *((uint32_t *)p) = 0x78563412; 262 #endif 263 if (p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78) 264 need_bswap = 0; 265 else 266 need_bswap = 1; 267 268 bus_space_unmap(dc->dc_memt, tmph, sizeof(uint32_t)); 269 270 /* 271 * On CyberPro we can use magic bswap bit in linear address. 272 */ 273 fbaddr = dc->dc_memaddr; 274 if (need_bswap) { 275 dc->dc_hwflags |= IGSFB_HW_BSWAP; 276 if (dc->dc_id >= 0x2000) { 277 dc->dc_hwflags |= IGSFB_HW_BE_SELECT; 278 fbaddr |= IGS_MEM_BE_SELECT; 279 } 280 } 281 282 /* 283 * XXX: TODO: make it possible to select the desired video mode. 284 * For now - hardcode to 1024x768/8bpp. This is what Krups OFW uses. 285 */ 286 igsfb_hw_setup(dc); 287 288 /* 289 * Don't map in all N megs, just the amount we need for the wsscreen. 290 */ 291 dc->dc_fbsz = dc->dc_stride * dc->dc_height; 292 if (bus_space_map(dc->dc_memt, fbaddr, dc->dc_fbsz, 293 dc->dc_memflags | BUS_SPACE_MAP_LINEAR, 294 &dc->dc_fbh) != 0) 295 { 296 bus_space_unmap(dc->dc_iot, dc->dc_ioh, IGS_REG_SIZE); 297 printf("unable to map framebuffer\n"); 298 return 1; 299 } 300 301 igsfb_init_cmap(dc); 302 303 /* 304 * 1KB for cursor sprite data at the very end of the video memory. 305 */ 306 croffset = dc->dc_vmemsz - IGS_CURSOR_DATA_SIZE; 307 craddr = fbaddr + croffset; 308 if (bus_space_map(dc->dc_memt, craddr, IGS_CURSOR_DATA_SIZE, 309 dc->dc_memflags | BUS_SPACE_MAP_LINEAR, 310 &dc->dc_crh) != 0) 311 { 312 bus_space_unmap(dc->dc_iot, dc->dc_ioh, IGS_REG_SIZE); 313 bus_space_unmap(dc->dc_memt, dc->dc_fbh, dc->dc_fbsz); 314 printf("unable to map cursor sprite region\n"); 315 return 1; 316 } 317 318 /* 319 * Tell the device where cursor sprite data are located in the 320 * linear space (it takes data offset in 1KB units). 321 */ 322 croffset >>= 10; /* bytes -> kilobytes */ 323 igs_ext_write(dc->dc_iot, dc->dc_ioh, 324 IGS_EXT_SPRITE_DATA_LO, croffset & 0xff); 325 igs_ext_write(dc->dc_iot, dc->dc_ioh, 326 IGS_EXT_SPRITE_DATA_HI, (croffset >> 8) & 0xf); 327 328 /* init the bit expansion table for cursor sprite data conversion */ 329 igsfb_init_bit_table(dc); 330 331 /* XXX: fill dc_cursor and use igsfb_update_cursor() instead? */ 332 memset(&dc->dc_cursor, 0, sizeof(struct igs_hwcursor)); 333 va = bus_space_vaddr(dc->dc_memt, dc->dc_crh); 334 memset(va, /* transparent */ 0xaa, IGS_CURSOR_DATA_SIZE); 335 336 curctl = igs_ext_read(dc->dc_iot, dc->dc_ioh, IGS_EXT_SPRITE_CTL); 337 curctl |= IGS_EXT_SPRITE_64x64; 338 curctl &= ~IGS_EXT_SPRITE_VISIBLE; 339 igs_ext_write(dc->dc_iot, dc->dc_ioh, IGS_EXT_SPRITE_CTL, curctl); 340 dc->dc_curenb = 0; 341 342 /* 343 * Map and init graphic coprocessor for accelerated rasops. 344 */ 345 if (dc->dc_id >= 0x2000) { /* XXX */ 346 if (bus_space_map(dc->dc_iot, 347 dc->dc_iobase + IGS_COP_BASE_B, IGS_COP_SIZE, 348 dc->dc_ioflags, 349 &dc->dc_coph) != 0) 350 { 351 printf("unable to map COP registers\n"); 352 return 1; 353 } 354 355 /* XXX: hardcoded 8bpp */ 356 bus_space_write_2(dc->dc_iot, dc->dc_coph, 357 IGS_COP_SRC_MAP_WIDTH_REG, 358 dc->dc_width - 1); 359 bus_space_write_2(dc->dc_iot, dc->dc_coph, 360 IGS_COP_DST_MAP_WIDTH_REG, 361 dc->dc_width - 1); 362 363 bus_space_write_1(dc->dc_iot, dc->dc_coph, 364 IGS_COP_MAP_FMT_REG, 365 IGS_COP_MAP_8BPP); 366 } 367 368 /* make sure screen is not blanked */ 369 dc->dc_blanked = 0; 370 igsfb_blank_screen(dc, dc->dc_blanked); 371 372 return 0; 373 } 374 375 376 static void 377 igsfb_init_cmap(struct igsfb_devconfig *dc) 378 { 379 bus_space_tag_t iot = dc->dc_iot; 380 bus_space_handle_t ioh = dc->dc_ioh; 381 const uint8_t *p; 382 int i; 383 384 p = rasops_cmap; /* "ANSI" color map */ 385 386 /* init software copy */ 387 for (i = 0; i < IGS_CMAP_SIZE; ++i, p += 3) { 388 dc->dc_cmap.r[i] = p[0]; 389 dc->dc_cmap.g[i] = p[1]; 390 dc->dc_cmap.b[i] = p[2]; 391 } 392 393 /* propagate to the device */ 394 igsfb_update_cmap(dc, 0, IGS_CMAP_SIZE); 395 396 /* set overscan color (XXX: use defattr's background?) */ 397 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_RED, 0); 398 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_GREEN, 0); 399 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_BLUE, 0); 400 } 401 402 403 static void 404 igsfb_init_wsdisplay(void *cookie, struct vcons_screen *scr, int existing, 405 long *defattr) 406 { 407 struct igsfb_devconfig *dc = cookie; 408 struct rasops_info *ri = &scr->scr_ri; 409 int wsfcookie; 410 411 if ((scr == &dc->dc_console) && (dc->dc_vd.active != NULL)) 412 return; 413 414 415 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 416 if (IGSFB_HW_SOFT_BSWAP(dc)) 417 ri->ri_flg |= RI_BSWAP; 418 419 ri->ri_depth = dc->dc_depth; 420 ri->ri_width = dc->dc_width; 421 ri->ri_height = dc->dc_height; 422 ri->ri_stride = dc->dc_stride; 423 ri->ri_bits = bus_space_vaddr(dc->dc_memt, dc->dc_fbh); 424 425 /* 426 * Initialize wsfont related stuff. 427 */ 428 wsfont_init(); 429 430 /* prefer gallant that is identical to the one the prom uses */ 431 wsfcookie = wsfont_find("Gallant", 12, 22, 0, 432 WSDISPLAY_FONTORDER_L2R, 433 WSDISPLAY_FONTORDER_L2R); 434 if (wsfcookie <= 0) { 435 #ifdef DIAGNOSTIC 436 printf("unable to find font Gallant 12x22\n"); 437 #endif 438 wsfcookie = wsfont_find(NULL, 0, 0, 0, /* any font at all? */ 439 WSDISPLAY_FONTORDER_L2R, 440 WSDISPLAY_FONTORDER_L2R); 441 } 442 443 if (wsfcookie <= 0) { 444 printf("unable to find any fonts\n"); 445 return; 446 } 447 448 if (wsfont_lock(wsfcookie, &ri->ri_font) != 0) { 449 printf("unable to lock font\n"); 450 return; 451 } 452 ri->ri_wsfcookie = wsfcookie; 453 454 455 /* XXX: TODO: compute term size based on font dimensions? */ 456 rasops_init(ri, 34, 80); 457 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 458 ri->ri_width / ri->ri_font->fontwidth); 459 460 461 /* use the sprite for the text mode cursor */ 462 igsfb_make_text_cursor(dc, scr); 463 464 /* the cursor is "busy" while we are in the text mode */ 465 dc->dc_hwflags |= IGSFB_HW_TEXT_CURSOR; 466 467 /* propagate sprite data to the device */ 468 igsfb_update_cursor(dc, WSDISPLAY_CURSOR_DOSHAPE); 469 470 /* accelerated text cursor */ 471 ri->ri_ops.cursor = igsfb_accel_cursor; 472 473 if (dc->dc_id >= 0x2000) { /* XXX */ 474 /* accelerated erase/copy */ 475 ri->ri_ops.copycols = igsfb_accel_copycols; 476 ri->ri_ops.erasecols = igsfb_accel_erasecols; 477 ri->ri_ops.copyrows = igsfb_accel_copyrows; 478 ri->ri_ops.eraserows = igsfb_accel_eraserows; 479 480 /* putchar hook to sync with the cop */ 481 dc->dc_ri_putchar = ri->ri_ops.putchar; 482 ri->ri_ops.putchar = igsfb_accel_putchar; 483 } 484 485 igsfb_stdscreen.nrows = ri->ri_rows; 486 igsfb_stdscreen.ncols = ri->ri_cols; 487 igsfb_stdscreen.textops = &ri->ri_ops; 488 igsfb_stdscreen.capabilities = ri->ri_caps; 489 } 490 491 492 /* 493 * Init cursor data in dc_cursor for the accelerated text cursor. 494 */ 495 static int 496 igsfb_make_text_cursor(struct igsfb_devconfig *dc, struct vcons_screen *scr) 497 { 498 struct rasops_info *ri = &scr->scr_ri; 499 struct wsdisplay_font *f = ri->ri_font; 500 uint16_t cc_scan[8]; /* one sprite scanline */ 501 uint16_t s; 502 int w, i; 503 504 KASSERT(f->fontwidth <= IGS_CURSOR_MAX_SIZE); 505 KASSERT(f->fontheight <= IGS_CURSOR_MAX_SIZE); 506 507 w = f->fontwidth; 508 for (i = 0; i < f->stride; ++i) { 509 if (w >= 8) { 510 s = 0xffff; /* all inverted */ 511 w -= 8; 512 } else { 513 /* first w pixels inverted, the rest is transparent */ 514 s = ~(0x5555 << (w * 2)); 515 s = htole16(s); 516 w = 0; 517 } 518 cc_scan[i] = s; 519 } 520 521 dc->dc_cursor.cc_size.x = f->fontwidth; 522 dc->dc_cursor.cc_size.y = f->fontheight; 523 524 dc->dc_cursor.cc_hot.x = 0; 525 dc->dc_cursor.cc_hot.y = 0; 526 527 /* init sprite array to be all transparent */ 528 memset(dc->dc_cursor.cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE); 529 530 for (i = 0; i < f->fontheight; ++i) 531 memcpy(&dc->dc_cursor.cc_sprite[i * 8], 532 cc_scan, f->stride * sizeof(uint16_t)); 533 534 return 0; 535 } 536 537 538 /* 539 * Spread a byte (abcd.efgh) into two (0a0b.0c0d 0e0f.0g0h). 540 * Helper function for igsfb_init_bit_table(). 541 */ 542 static uint16_t 543 igsfb_spread_bits_8(uint8_t b) 544 { 545 uint16_t s = b; 546 547 s = ((s & 0x00f0) << 4) | (s & 0x000f); 548 s = ((s & 0x0c0c) << 2) | (s & 0x0303); 549 s = ((s & 0x2222) << 1) | (s & 0x1111); 550 return s; 551 } 552 553 554 /* 555 * Cursor sprite data are in 2bpp. Incoming image/mask are in 1bpp. 556 * Prebuild the table to expand 1bpp->2bpp, with bswapping if necessary. 557 */ 558 static void 559 igsfb_init_bit_table(struct igsfb_devconfig *dc) 560 { 561 uint16_t *expand = dc->dc_bexpand; 562 uint16_t s; 563 u_int i; 564 565 for (i = 0; i < 256; ++i) { 566 s = igsfb_spread_bits_8(i); 567 expand[i] = htole16(s); 568 } 569 } 570 571 572 /* 573 * wsdisplay_accessops: mmap() 574 * XXX: security considerations for allowing mmapping i/o mapped i/o regs? 575 */ 576 static paddr_t 577 igsfb_mmap(void *v, void *vs, off_t offset, int prot) 578 { 579 struct vcons_data *vd = v; 580 struct igsfb_devconfig *dc = vd->cookie; 581 582 if (offset < dc->dc_memsz && offset >= 0) 583 return bus_space_mmap(dc->dc_memt, dc->dc_memaddr, offset, 584 prot, dc->dc_memflags | BUS_SPACE_MAP_LINEAR); 585 if (dc->dc_mmap) 586 return dc->dc_mmap(v, vs, offset, prot); 587 return -1; 588 } 589 590 591 /* 592 * wsdisplay_accessops: ioctl() 593 */ 594 static int 595 igsfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 596 struct lwp *l) 597 { 598 struct vcons_data *vd = v; 599 struct igsfb_devconfig *dc = vd->cookie; 600 int cursor_busy; 601 int turnoff; 602 603 /* don't permit cursor ioctls if we use sprite for text cursor */ 604 cursor_busy = !dc->dc_mapped 605 && (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR); 606 607 switch (cmd) { 608 609 case WSDISPLAYIO_GTYPE: 610 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 611 return 0; 612 613 case WSDISPLAYIO_GINFO: 614 #define wsd_fbip ((struct wsdisplay_fbinfo *)data) 615 wsd_fbip->height = dc->dc_height; 616 wsd_fbip->width = dc->dc_width; 617 wsd_fbip->depth = dc->dc_maxdepth; 618 wsd_fbip->cmsize = IGS_CMAP_SIZE; 619 #undef wsd_fbip 620 return 0; 621 622 case WSDISPLAYIO_LINEBYTES: 623 *(int *)data = dc->dc_width * (dc->dc_maxdepth >> 3); 624 return 0; 625 626 case WSDISPLAYIO_SMODE: 627 #define d (*(int *)data) 628 if (d != WSDISPLAYIO_MODE_EMUL) { 629 dc->dc_mapped = 1; 630 /* turn off hardware cursor */ 631 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) { 632 dc->dc_curenb = 0; 633 igsfb_update_cursor(dc, 634 WSDISPLAY_CURSOR_DOCUR); 635 } 636 if ((dc->dc_mode != NULL) && (dc->dc_maxdepth != 8)) 637 igsfb_set_mode(dc, dc->dc_mode, 638 dc->dc_maxdepth); 639 } else { 640 dc->dc_mapped = 0; 641 if ((dc->dc_mode != NULL) && (dc->dc_maxdepth != 8)) 642 igsfb_set_mode(dc, dc->dc_mode, 8); 643 igsfb_init_cmap(dc); 644 /* reinit sprite for text cursor */ 645 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) { 646 igsfb_make_text_cursor(dc, dc->dc_vd.active); 647 dc->dc_curenb = 0; 648 igsfb_update_cursor(dc, 649 WSDISPLAY_CURSOR_DOSHAPE 650 | WSDISPLAY_CURSOR_DOCUR); 651 } 652 vcons_redraw_screen(vd->active); 653 } 654 return 0; 655 656 case WSDISPLAYIO_GVIDEO: 657 *(u_int *)data = dc->dc_blanked ? 658 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; 659 return 0; 660 661 case WSDISPLAYIO_SVIDEO: 662 turnoff = (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF); 663 if (dc->dc_blanked != turnoff) { 664 dc->dc_blanked = turnoff; 665 igsfb_blank_screen(dc, dc->dc_blanked); 666 } 667 return 0; 668 669 case WSDISPLAYIO_GETCMAP: 670 return igsfb_get_cmap(dc, (struct wsdisplay_cmap *)data); 671 672 case WSDISPLAYIO_PUTCMAP: 673 return igsfb_set_cmap(dc, (struct wsdisplay_cmap *)data); 674 675 case WSDISPLAYIO_GCURMAX: 676 ((struct wsdisplay_curpos *)data)->x = IGS_CURSOR_MAX_SIZE; 677 ((struct wsdisplay_curpos *)data)->y = IGS_CURSOR_MAX_SIZE; 678 return 0; 679 680 case WSDISPLAYIO_GCURPOS: 681 if (cursor_busy) 682 return EBUSY; 683 *(struct wsdisplay_curpos *)data = dc->dc_cursor.cc_pos; 684 return 0; 685 686 case WSDISPLAYIO_SCURPOS: 687 if (cursor_busy) 688 return EBUSY; 689 igsfb_set_curpos(dc, (struct wsdisplay_curpos *)data); 690 return 0; 691 692 case WSDISPLAYIO_GCURSOR: 693 if (cursor_busy) 694 return EBUSY; 695 return igsfb_get_cursor(dc, (struct wsdisplay_cursor *)data); 696 697 case WSDISPLAYIO_SCURSOR: 698 if (cursor_busy) 699 return EBUSY; 700 return igsfb_set_cursor(dc, (struct wsdisplay_cursor *)data); 701 } 702 703 return EPASSTHROUGH; 704 } 705 706 707 /* 708 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SVIDEO) 709 */ 710 static void 711 igsfb_blank_screen(struct igsfb_devconfig *dc, int blank) 712 { 713 714 igs_ext_write(dc->dc_iot, dc->dc_ioh, 715 IGS_EXT_SYNC_CTL, 716 blank ? IGS_EXT_SYNC_H0 | IGS_EXT_SYNC_V0 717 : 0); 718 } 719 720 721 /* 722 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GETCMAP) 723 * Served from the software cmap copy. 724 */ 725 static int 726 igsfb_get_cmap(struct igsfb_devconfig *dc, struct wsdisplay_cmap *p) 727 { 728 u_int index, count; 729 int err; 730 731 index = p->index; 732 count = p->count; 733 734 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index) 735 return EINVAL; 736 737 err = copyout(&dc->dc_cmap.r[index], p->red, count); 738 if (err) 739 return err; 740 err = copyout(&dc->dc_cmap.g[index], p->green, count); 741 if (err) 742 return err; 743 err = copyout(&dc->dc_cmap.b[index], p->blue, count); 744 if (err) 745 return err; 746 747 return 0; 748 } 749 750 751 /* 752 * wsdisplay_accessops: ioctl(WSDISPLAYIO_PUTCMAP) 753 * Set the software cmap copy and propagate changed range to the device. 754 */ 755 static int 756 igsfb_set_cmap(struct igsfb_devconfig *dc, const struct wsdisplay_cmap *p) 757 { 758 u_int index, count; 759 uint8_t r[IGS_CMAP_SIZE]; 760 uint8_t g[IGS_CMAP_SIZE]; 761 uint8_t b[IGS_CMAP_SIZE]; 762 int error; 763 764 index = p->index; 765 count = p->count; 766 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index) 767 return EINVAL; 768 error = copyin(p->red, &r[index], count); 769 if (error) 770 return error; 771 error = copyin(p->green, &g[index], count); 772 if (error) 773 return error; 774 error = copyin(p->blue, &b[index], count); 775 if (error) 776 return error; 777 778 memcpy(&dc->dc_cmap.r[index], &r[index], count); 779 memcpy(&dc->dc_cmap.g[index], &g[index], count); 780 memcpy(&dc->dc_cmap.b[index], &b[index], count); 781 782 /* propagate changes to the device */ 783 igsfb_update_cmap(dc, index, count); 784 return 0; 785 } 786 787 788 /* 789 * Propagate specified part of the software cmap copy to the device. 790 */ 791 static void 792 igsfb_update_cmap(struct igsfb_devconfig *dc, u_int index, u_int count) 793 { 794 bus_space_tag_t t; 795 bus_space_handle_t h; 796 u_int last, i; 797 798 if (index >= IGS_CMAP_SIZE) 799 return; 800 801 last = index + count; 802 if (last > IGS_CMAP_SIZE) 803 last = IGS_CMAP_SIZE; 804 805 t = dc->dc_iot; 806 h = dc->dc_ioh; 807 808 /* start palette writing, index is autoincremented by hardware */ 809 bus_space_write_1(t, h, IGS_DAC_PEL_WRITE_IDX, index); 810 811 for (i = index; i < last; ++i) { 812 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.r[i]); 813 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.g[i]); 814 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.b[i]); 815 } 816 } 817 818 819 /* 820 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURPOS) 821 */ 822 static void 823 igsfb_set_curpos(struct igsfb_devconfig *dc, 824 const struct wsdisplay_curpos *curpos) 825 { 826 struct rasops_info *ri = &dc->dc_vd.active->scr_ri; 827 u_int x = curpos->x, y = curpos->y; 828 829 if (x >= ri->ri_width) 830 x = ri->ri_width - 1; 831 if (y >= ri->ri_height) 832 y = ri->ri_height - 1; 833 834 dc->dc_cursor.cc_pos.x = x; 835 dc->dc_cursor.cc_pos.y = y; 836 837 /* propagate changes to the device */ 838 igsfb_update_curpos(dc); 839 } 840 841 842 static void 843 igsfb_update_curpos(struct igsfb_devconfig *dc) 844 { 845 bus_space_tag_t t; 846 bus_space_handle_t h; 847 int x, xoff, y, yoff; 848 849 xoff = 0; 850 x = dc->dc_cursor.cc_pos.x - dc->dc_cursor.cc_hot.x; 851 if (x < 0) { 852 xoff = -x; 853 x = 0; 854 } 855 856 yoff = 0; 857 y = dc->dc_cursor.cc_pos.y - dc->dc_cursor.cc_hot.y; 858 if (y < 0) { 859 yoff = -y; 860 y = 0; 861 } 862 863 t = dc->dc_iot; 864 h = dc->dc_ioh; 865 866 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_LO, x & 0xff); 867 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_HI, (x >> 8) & 0x07); 868 igs_ext_write(t, h, IGS_EXT_SPRITE_HPRESET, xoff & 0x3f); 869 870 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_LO, y & 0xff); 871 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_HI, (y >> 8) & 0x07); 872 igs_ext_write(t, h, IGS_EXT_SPRITE_VPRESET, yoff & 0x3f); 873 } 874 875 876 /* 877 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GCURSOR) 878 */ 879 static int 880 igsfb_get_cursor(struct igsfb_devconfig *dc, struct wsdisplay_cursor *p) 881 { 882 883 /* XXX: TODO */ 884 return 0; 885 } 886 887 888 /* 889 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURSOR) 890 */ 891 static int 892 igsfb_set_cursor(struct igsfb_devconfig *dc, const struct wsdisplay_cursor *p) 893 { 894 struct igs_hwcursor *cc; 895 struct wsdisplay_curpos pos, hot; 896 u_int v, index, count, icount, iwidth; 897 uint8_t r[2], g[2], b[2], image[512], mask[512]; 898 int error; 899 900 cc = &dc->dc_cursor; 901 v = p->which; 902 index = count = icount = iwidth = 0; /* XXX: gcc */ 903 pos.x = pos.y = 0; /* XXX: gcc */ 904 905 /* copy in the new cursor colormap */ 906 if (v & WSDISPLAY_CURSOR_DOCMAP) { 907 index = p->cmap.index; 908 count = p->cmap.count; 909 if (index >= 2 || (index + count) > 2) 910 return EINVAL; 911 error = copyin(p->cmap.red, &r[index], count); 912 if (error) 913 return error; 914 error = copyin(p->cmap.green, &g[index], count); 915 if (error) 916 return error; 917 error = copyin(p->cmap.blue, &b[index], count); 918 if (error) 919 return error; 920 } 921 922 /* verify that the new cursor data are valid */ 923 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 924 if (p->size.x > IGS_CURSOR_MAX_SIZE 925 || p->size.y > IGS_CURSOR_MAX_SIZE) 926 return EINVAL; 927 928 iwidth = (p->size.x + 7) >> 3; /* bytes per scan line */ 929 icount = iwidth * p->size.y; 930 error = copyin(p->image, image, icount); 931 if (error) 932 return error; 933 error = copyin(p->mask, mask, icount); 934 if (error) 935 return error; 936 } 937 938 /* enforce that the position is within screen bounds */ 939 if (v & WSDISPLAY_CURSOR_DOPOS) { 940 struct rasops_info *ri = &dc->dc_vd.active->scr_ri; 941 942 pos = p->pos; /* local copy we can write to */ 943 if (pos.x >= ri->ri_width) 944 pos.x = ri->ri_width - 1; 945 if (pos.y >= ri->ri_height) 946 pos.y = ri->ri_height - 1; 947 } 948 949 /* enforce that the hot spot is within sprite bounds */ 950 if (v & WSDISPLAY_CURSOR_DOHOT) 951 hot = p->hot; /* local copy we can write to */ 952 953 if (v & (WSDISPLAY_CURSOR_DOHOT | WSDISPLAY_CURSOR_DOSHAPE)) { 954 const struct wsdisplay_curpos *nsize; 955 struct wsdisplay_curpos *nhot; 956 957 nsize = (v & WSDISPLAY_CURSOR_DOSHAPE) ? 958 &p->size : &cc->cc_size; 959 nhot = (v & WSDISPLAY_CURSOR_DOHOT) ? &hot : &cc->cc_hot; 960 961 if (nhot->x >= nsize->x) 962 nhot->x = nsize->x - 1; 963 if (nhot->y >= nsize->y) 964 nhot->y = nsize->y - 1; 965 } 966 967 /* copy data to the driver's cursor info */ 968 if (v & WSDISPLAY_CURSOR_DOCUR) 969 dc->dc_curenb = p->enable; 970 if (v & WSDISPLAY_CURSOR_DOPOS) 971 cc->cc_pos = pos; /* local copy, possibly corrected */ 972 if (v & WSDISPLAY_CURSOR_DOHOT) 973 cc->cc_hot = hot; /* local copy, possibly corrected */ 974 if (v & WSDISPLAY_CURSOR_DOCMAP) { 975 memcpy(&cc->cc_color[index], &r[index], count); 976 memcpy(&cc->cc_color[index + 2], &g[index], count); 977 memcpy(&cc->cc_color[index + 4], &b[index], count); 978 } 979 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 980 u_int trailing_bits; 981 982 memcpy(cc->cc_image, image, icount); 983 memcpy(cc->cc_mask, mask, icount); 984 cc->cc_size = p->size; 985 986 /* clear trailing bits in the "partial" mask bytes */ 987 trailing_bits = p->size.x & 0x07; 988 if (trailing_bits != 0) { 989 const u_int cutmask = ~((~0) << trailing_bits); 990 u_char *mp; 991 u_int i; 992 993 mp = cc->cc_mask + iwidth - 1; 994 for (i = 0; i < p->size.y; ++i) { 995 *mp &= cutmask; 996 mp += iwidth; 997 } 998 } 999 igsfb_convert_cursor_data(dc, iwidth, p->size.y); 1000 } 1001 1002 /* propagate changes to the device */ 1003 igsfb_update_cursor(dc, v); 1004 1005 return 0; 1006 } 1007 1008 1009 /* 1010 * Convert incoming 1bpp cursor image/mask into native 2bpp format. 1011 */ 1012 static void 1013 igsfb_convert_cursor_data(struct igsfb_devconfig *dc, 1014 u_int width, u_int height) 1015 { 1016 struct igs_hwcursor *cc = &dc->dc_cursor; 1017 uint16_t *expand = dc->dc_bexpand; 1018 uint8_t *ip, *mp; 1019 uint16_t is, ms, *dp; 1020 u_int line, i; 1021 1022 /* init sprite to be all transparent */ 1023 memset(cc->cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE); 1024 1025 /* first scanline */ 1026 ip = cc->cc_image; 1027 mp = cc->cc_mask; 1028 dp = cc->cc_sprite; 1029 1030 for (line = 0; line < height; ++line) { 1031 for (i = 0; i < width; ++i) { 1032 is = expand[ip[i]]; /* image: 0 -> 00, 1 -> 01 */ 1033 ms = expand[mp[i]]; /* mask: 0 -> 00, 1 -> 11 */ 1034 ms |= (ms << 1); 1035 dp[i] = (0xaaaa & ~ms) | (is & ms); 1036 } 1037 1038 /* next scanline */ 1039 ip += width; 1040 mp += width; 1041 dp += 8; /* 64 pixels, 2bpp, 8 pixels per short = 8 shorts */ 1042 } 1043 } 1044 1045 1046 /* 1047 * Propagate cursor changes to the device. 1048 * "which" is composed of WSDISPLAY_CURSOR_DO* bits. 1049 */ 1050 static void 1051 igsfb_update_cursor(struct igsfb_devconfig *dc, u_int which) 1052 { 1053 bus_space_tag_t iot = dc->dc_iot; 1054 bus_space_handle_t ioh = dc->dc_ioh; 1055 uint8_t curctl; 1056 1057 curctl = 0; /* XXX: gcc */ 1058 1059 /* 1060 * We will need to tweak sprite control register for cursor 1061 * visibility and cursor color map manipulation. 1062 */ 1063 if (which & (WSDISPLAY_CURSOR_DOCUR | WSDISPLAY_CURSOR_DOCMAP)) { 1064 curctl = igs_ext_read(iot, ioh, IGS_EXT_SPRITE_CTL); 1065 } 1066 1067 if (which & WSDISPLAY_CURSOR_DOSHAPE) { 1068 uint8_t *dst = bus_space_vaddr(dc->dc_memt, dc->dc_crh); 1069 1070 /* 1071 * memcpy between spaces of different endianness would 1072 * be ... special. We cannot be sure if memcpy gonna 1073 * push data in 4-byte chunks, we can't pre-bswap it, 1074 * so do it byte-by-byte to preserve byte ordering. 1075 */ 1076 if (IGSFB_HW_SOFT_BSWAP(dc)) { 1077 uint8_t *src = (uint8_t *)dc->dc_cursor.cc_sprite; 1078 int i; 1079 1080 for (i = 0; i < IGS_CURSOR_DATA_SIZE; ++i) 1081 *dst++ = *src++; 1082 } else { 1083 memcpy(dst, dc->dc_cursor.cc_sprite, 1084 IGS_CURSOR_DATA_SIZE); 1085 } 1086 } 1087 1088 if (which & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) { 1089 /* code shared with WSDISPLAYIO_SCURPOS */ 1090 igsfb_update_curpos(dc); 1091 } 1092 1093 if (which & WSDISPLAY_CURSOR_DOCMAP) { 1094 uint8_t *p; 1095 1096 /* tell DAC we want access to the cursor palette */ 1097 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1098 curctl | IGS_EXT_SPRITE_DAC_PEL); 1099 1100 p = dc->dc_cursor.cc_color; 1101 1102 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 0); 1103 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[0]); 1104 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[2]); 1105 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[4]); 1106 1107 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 1); 1108 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[1]); 1109 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[3]); 1110 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[5]); 1111 1112 /* restore access to the normal palette */ 1113 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, curctl); 1114 } 1115 1116 if (which & WSDISPLAY_CURSOR_DOCUR) { 1117 if ((curctl & IGS_EXT_SPRITE_VISIBLE) == 0 1118 && dc->dc_curenb) 1119 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1120 curctl | IGS_EXT_SPRITE_VISIBLE); 1121 else if ((curctl & IGS_EXT_SPRITE_VISIBLE) != 0 1122 && !dc->dc_curenb) 1123 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1124 curctl & ~IGS_EXT_SPRITE_VISIBLE); 1125 } 1126 } 1127 1128 1129 /* 1130 * Accelerated text mode cursor that uses hardware sprite. 1131 */ 1132 static void 1133 igsfb_accel_cursor(void *cookie, int on, int row, int col) 1134 { 1135 struct rasops_info *ri = (struct rasops_info *)cookie; 1136 struct vcons_screen *scr = ri->ri_hw; 1137 struct igsfb_devconfig *dc = scr->scr_cookie; 1138 struct igs_hwcursor *cc = &dc->dc_cursor; 1139 u_int which; 1140 1141 ri->ri_crow = row; 1142 ri->ri_ccol = col; 1143 1144 which = 0; 1145 if (on) { 1146 ri->ri_flg |= RI_CURSOR; 1147 1148 /* only bother to move the cursor if it's visible */ 1149 cc->cc_pos.x = ri->ri_xorigin 1150 + ri->ri_ccol * ri->ri_font->fontwidth; 1151 cc->cc_pos.y = ri->ri_yorigin 1152 + ri->ri_crow * ri->ri_font->fontheight; 1153 which |= WSDISPLAY_CURSOR_DOPOS; 1154 } else 1155 ri->ri_flg &= ~RI_CURSOR; 1156 1157 if (dc->dc_curenb != on) { 1158 dc->dc_curenb = on; 1159 which |= WSDISPLAY_CURSOR_DOCUR; 1160 } 1161 1162 /* propagate changes to the device */ 1163 igsfb_update_cursor(dc, which); 1164 } 1165 1166 1167 1168 /* 1169 * Accelerated raster ops that use graphic coprocessor. 1170 */ 1171 1172 static int 1173 igsfb_accel_wait(struct igsfb_devconfig *dc) 1174 { 1175 bus_space_tag_t t = dc->dc_iot; 1176 bus_space_handle_t h = dc->dc_coph; 1177 int timo = 100000; 1178 uint8_t reg; 1179 1180 bus_space_write_1(t, h, IGS_COP_MAP_FMT_REG, (dc->dc_depth >> 3) - 1); 1181 while (timo--) { 1182 reg = bus_space_read_1(t, h, IGS_COP_CTL_REG); 1183 if ((reg & IGS_COP_CTL_BUSY) == 0) 1184 return 0; 1185 } 1186 1187 return 1; 1188 } 1189 1190 1191 static void 1192 igsfb_accel_copy(struct igsfb_devconfig *dc, uint32_t src, uint32_t dst, 1193 uint16_t width, uint16_t height) 1194 { 1195 bus_space_tag_t t = dc->dc_iot; 1196 bus_space_handle_t h = dc->dc_coph; 1197 uint32_t toend; 1198 uint8_t drawcmd; 1199 1200 drawcmd = IGS_COP_DRAW_ALL; 1201 if (dst > src) { 1202 toend = dc->dc_vd.active->scr_ri.ri_width * (height - 1) + (width - 1); 1203 src += toend; 1204 dst += toend; 1205 drawcmd |= IGS_COP_OCTANT_X_NEG | IGS_COP_OCTANT_Y_NEG; 1206 } 1207 1208 igsfb_accel_wait(dc); 1209 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0); 1210 1211 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S); 1212 1213 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1); 1214 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1); 1215 1216 bus_space_write_4(t, h, IGS_COP_SRC_START_REG, src); 1217 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst); 1218 1219 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, drawcmd); 1220 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG); 1221 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0); 1222 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, 1223 IGS_COP_OP_PXBLT | IGS_COP_OP_FG_FROM_SRC); 1224 } 1225 1226 1227 static void 1228 igsfb_accel_fill(struct igsfb_devconfig *dc, uint32_t color, uint32_t dst, 1229 uint16_t width, uint16_t height) 1230 { 1231 bus_space_tag_t t = dc->dc_iot; 1232 bus_space_handle_t h = dc->dc_coph; 1233 1234 igsfb_accel_wait(dc); 1235 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0); 1236 1237 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S); 1238 1239 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1); 1240 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1); 1241 1242 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst); 1243 bus_space_write_4(t, h, IGS_COP_FG_REG, color); 1244 1245 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, IGS_COP_DRAW_ALL); 1246 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG); 1247 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0); 1248 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, IGS_COP_OP_PXBLT); 1249 } 1250 1251 1252 static void 1253 igsfb_accel_copyrows(void *cookie, int src, int dst, int num) 1254 { 1255 struct rasops_info *ri = (struct rasops_info *)cookie; 1256 struct vcons_screen *scr = ri->ri_hw; 1257 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1258 uint32_t srp, dsp; 1259 uint16_t width, height; 1260 1261 width = ri->ri_emuwidth; 1262 height = num * ri->ri_font->fontheight; 1263 1264 srp = ri->ri_xorigin 1265 + ri->ri_width * (ri->ri_yorigin 1266 + src * ri->ri_font->fontheight); 1267 dsp = ri->ri_xorigin 1268 + ri->ri_width * (ri->ri_yorigin 1269 + dst * ri->ri_font->fontheight); 1270 1271 igsfb_accel_copy(dc, srp, dsp, width, height); 1272 } 1273 1274 1275 static void 1276 igsfb_accel_copycols(void *cookie, int row, int src, int dst, int num) 1277 { 1278 struct rasops_info *ri = (struct rasops_info *)cookie; 1279 struct vcons_screen *scr = ri->ri_hw; 1280 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1281 uint32_t rowp, srp, dsp; 1282 uint16_t width, height; 1283 1284 width = num * ri->ri_font->fontwidth; 1285 height = ri->ri_font->fontheight; 1286 1287 rowp = ri->ri_xorigin 1288 + ri->ri_width * (ri->ri_yorigin 1289 + row * ri->ri_font->fontheight); 1290 1291 srp = rowp + src * ri->ri_font->fontwidth; 1292 dsp = rowp + dst * ri->ri_font->fontwidth; 1293 1294 igsfb_accel_copy(dc, srp, dsp, width, height); 1295 } 1296 1297 1298 static void 1299 igsfb_accel_eraserows(void *cookie, int row, int num, long attr) 1300 { 1301 struct rasops_info *ri = (struct rasops_info *)cookie; 1302 struct vcons_screen *scr = ri->ri_hw; 1303 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1304 uint32_t color; 1305 uint32_t dsp; 1306 uint16_t width, height; 1307 1308 if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) { 1309 width = ri->ri_width; 1310 height = ri->ri_height; 1311 dsp = 0; 1312 } else { 1313 width = ri->ri_emuwidth; 1314 height = num * ri->ri_font->fontheight; 1315 1316 dsp = ri->ri_xorigin 1317 + ri->ri_width * (ri->ri_yorigin 1318 + row * ri->ri_font->fontheight); 1319 } 1320 1321 /* XXX: we "know" the encoding that rasops' allocattr uses */ 1322 color = (attr >> 16) & 0xff; 1323 1324 igsfb_accel_fill(dc, color, dsp, width, height); 1325 } 1326 1327 1328 static void 1329 igsfb_accel_erasecols(void *cookie, int row, int col, int num, long attr) 1330 { 1331 struct rasops_info *ri = (struct rasops_info *)cookie; 1332 struct vcons_screen *scr = ri->ri_hw; 1333 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1334 uint32_t color; 1335 uint32_t rowp, dsp; 1336 uint16_t width, height; 1337 1338 width = num * ri->ri_font->fontwidth; 1339 height = ri->ri_font->fontheight; 1340 1341 rowp = ri->ri_xorigin 1342 + ri->ri_width * (ri->ri_yorigin 1343 + row * ri->ri_font->fontheight); 1344 1345 dsp = rowp + col * ri->ri_font->fontwidth; 1346 1347 /* XXX: we "know" the encoding that rasops' allocattr uses */ 1348 color = (attr >> 16) & 0xff; 1349 1350 igsfb_accel_fill(dc, color, dsp, width, height); 1351 } 1352 1353 1354 /* 1355 * Not really implemented here, but we need to hook into the one 1356 * supplied by rasops so that we can synchronize with the COP. 1357 */ 1358 static void 1359 igsfb_accel_putchar(void *cookie, int row, int col, u_int uc, long attr) 1360 { 1361 struct rasops_info *ri = (struct rasops_info *)cookie; 1362 struct vcons_screen *scr = ri->ri_hw; 1363 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1364 1365 igsfb_accel_wait(dc); 1366 (*dc->dc_ri_putchar)(cookie, row, col, uc, attr); 1367 } 1368