1 /* $NetBSD: igsfb.c,v 1.52 2012/01/11 20:41:28 macallan 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 1.52 2012/01/11 20:41:28 macallan 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 igsfb_hw_setup(dc); 283 284 /* 285 * Don't map in all N megs, just the amount we need for the wsscreen. 286 */ 287 dc->dc_fbsz = dc->dc_stride * dc->dc_height; 288 if (bus_space_map(dc->dc_memt, fbaddr, dc->dc_fbsz, 289 dc->dc_memflags | BUS_SPACE_MAP_LINEAR, 290 &dc->dc_fbh) != 0) 291 { 292 bus_space_unmap(dc->dc_iot, dc->dc_ioh, IGS_REG_SIZE); 293 printf("unable to map framebuffer\n"); 294 return 1; 295 } 296 297 igsfb_init_cmap(dc); 298 299 /* 300 * 1KB for cursor sprite data at the very end of the video memory. 301 */ 302 croffset = dc->dc_vmemsz - IGS_CURSOR_DATA_SIZE; 303 craddr = fbaddr + croffset; 304 if (bus_space_map(dc->dc_memt, craddr, IGS_CURSOR_DATA_SIZE, 305 dc->dc_memflags | BUS_SPACE_MAP_LINEAR, 306 &dc->dc_crh) != 0) 307 { 308 bus_space_unmap(dc->dc_iot, dc->dc_ioh, IGS_REG_SIZE); 309 bus_space_unmap(dc->dc_memt, dc->dc_fbh, dc->dc_fbsz); 310 printf("unable to map cursor sprite region\n"); 311 return 1; 312 } 313 314 /* 315 * Tell the device where cursor sprite data are located in the 316 * linear space (it takes data offset in 1KB units). 317 */ 318 croffset >>= 10; /* bytes -> kilobytes */ 319 igs_ext_write(dc->dc_iot, dc->dc_ioh, 320 IGS_EXT_SPRITE_DATA_LO, croffset & 0xff); 321 igs_ext_write(dc->dc_iot, dc->dc_ioh, 322 IGS_EXT_SPRITE_DATA_HI, (croffset >> 8) & 0xf); 323 324 /* init the bit expansion table for cursor sprite data conversion */ 325 igsfb_init_bit_table(dc); 326 327 /* XXX: fill dc_cursor and use igsfb_update_cursor() instead? */ 328 memset(&dc->dc_cursor, 0, sizeof(struct igs_hwcursor)); 329 va = bus_space_vaddr(dc->dc_memt, dc->dc_crh); 330 memset(va, /* transparent */ 0xaa, IGS_CURSOR_DATA_SIZE); 331 332 curctl = igs_ext_read(dc->dc_iot, dc->dc_ioh, IGS_EXT_SPRITE_CTL); 333 curctl |= IGS_EXT_SPRITE_64x64; 334 curctl &= ~IGS_EXT_SPRITE_VISIBLE; 335 igs_ext_write(dc->dc_iot, dc->dc_ioh, IGS_EXT_SPRITE_CTL, curctl); 336 dc->dc_curenb = 0; 337 338 /* 339 * Map and init graphic coprocessor for accelerated rasops. 340 */ 341 if (dc->dc_id >= 0x2000) { /* XXX */ 342 if (bus_space_map(dc->dc_iot, 343 dc->dc_iobase + IGS_COP_BASE_B, IGS_COP_SIZE, 344 dc->dc_ioflags, 345 &dc->dc_coph) != 0) 346 { 347 printf("unable to map COP registers\n"); 348 return 1; 349 } 350 351 /* XXX: hardcoded 8bpp */ 352 bus_space_write_2(dc->dc_iot, dc->dc_coph, 353 IGS_COP_SRC_MAP_WIDTH_REG, 354 dc->dc_width - 1); 355 bus_space_write_2(dc->dc_iot, dc->dc_coph, 356 IGS_COP_DST_MAP_WIDTH_REG, 357 dc->dc_width - 1); 358 359 bus_space_write_1(dc->dc_iot, dc->dc_coph, 360 IGS_COP_MAP_FMT_REG, 361 IGS_COP_MAP_8BPP); 362 } 363 364 /* make sure screen is not blanked */ 365 dc->dc_blanked = 0; 366 igsfb_blank_screen(dc, dc->dc_blanked); 367 368 return 0; 369 } 370 371 372 static void 373 igsfb_init_cmap(struct igsfb_devconfig *dc) 374 { 375 bus_space_tag_t iot = dc->dc_iot; 376 bus_space_handle_t ioh = dc->dc_ioh; 377 const uint8_t *p; 378 int i; 379 380 p = rasops_cmap; /* "ANSI" color map */ 381 382 /* init software copy */ 383 for (i = 0; i < IGS_CMAP_SIZE; ++i, p += 3) { 384 dc->dc_cmap.r[i] = p[0]; 385 dc->dc_cmap.g[i] = p[1]; 386 dc->dc_cmap.b[i] = p[2]; 387 } 388 389 /* propagate to the device */ 390 igsfb_update_cmap(dc, 0, IGS_CMAP_SIZE); 391 392 /* set overscan color (XXX: use defattr's background?) */ 393 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_RED, 0); 394 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_GREEN, 0); 395 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_BLUE, 0); 396 } 397 398 399 static void 400 igsfb_init_wsdisplay(void *cookie, struct vcons_screen *scr, int existing, 401 long *defattr) 402 { 403 struct igsfb_devconfig *dc = cookie; 404 struct rasops_info *ri = &scr->scr_ri; 405 int wsfcookie; 406 407 if (scr == &dc->dc_console) { 408 if (ri->ri_flg == 0) { 409 /* first time, need to set RI_NO_AUTO */ 410 ri->ri_flg |= RI_NO_AUTO; 411 } else { 412 /* clear it on 2nd run */ 413 ri->ri_flg &= ~RI_NO_AUTO; 414 } 415 } 416 ri->ri_flg |= RI_CENTER | RI_FULLCLEAR; 417 418 if (IGSFB_HW_SOFT_BSWAP(dc)) 419 ri->ri_flg |= RI_BSWAP; 420 421 ri->ri_depth = dc->dc_depth; 422 ri->ri_width = dc->dc_width; 423 ri->ri_height = dc->dc_height; 424 ri->ri_stride = dc->dc_stride; 425 ri->ri_bits = bus_space_vaddr(dc->dc_memt, dc->dc_fbh); 426 427 /* 428 * Initialize wsfont related stuff. 429 */ 430 wsfont_init(); 431 432 /* prefer gallant that is identical to the one the prom uses */ 433 wsfcookie = wsfont_find("Gallant", 12, 22, 0, 434 WSDISPLAY_FONTORDER_L2R, 435 WSDISPLAY_FONTORDER_L2R, WSFONT_FIND_BITMAP); 436 if (wsfcookie <= 0) { 437 #ifdef DIAGNOSTIC 438 printf("unable to find font Gallant 12x22\n"); 439 #endif 440 wsfcookie = wsfont_find(NULL, 0, 0, 0, /* any font at all? */ 441 WSDISPLAY_FONTORDER_L2R, 442 WSDISPLAY_FONTORDER_L2R, 443 WSFONT_FIND_BITMAP); 444 } 445 446 if (wsfcookie <= 0) { 447 printf("unable to find any fonts\n"); 448 return; 449 } 450 451 if (wsfont_lock(wsfcookie, &ri->ri_font) != 0) { 452 printf("unable to lock font\n"); 453 return; 454 } 455 ri->ri_wsfcookie = wsfcookie; 456 457 458 /* XXX: TODO: compute term size based on font dimensions? */ 459 rasops_init(ri, 0, 0); 460 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 461 ri->ri_width / ri->ri_font->fontwidth); 462 463 464 /* use the sprite for the text mode cursor */ 465 igsfb_make_text_cursor(dc, scr); 466 467 /* the cursor is "busy" while we are in the text mode */ 468 dc->dc_hwflags |= IGSFB_HW_TEXT_CURSOR; 469 470 /* propagate sprite data to the device */ 471 igsfb_update_cursor(dc, WSDISPLAY_CURSOR_DOSHAPE); 472 473 /* accelerated text cursor */ 474 ri->ri_ops.cursor = igsfb_accel_cursor; 475 476 if (dc->dc_id >= 0x2000) { /* XXX */ 477 /* accelerated erase/copy */ 478 ri->ri_ops.copycols = igsfb_accel_copycols; 479 ri->ri_ops.erasecols = igsfb_accel_erasecols; 480 ri->ri_ops.copyrows = igsfb_accel_copyrows; 481 ri->ri_ops.eraserows = igsfb_accel_eraserows; 482 483 /* putchar hook to sync with the cop */ 484 dc->dc_ri_putchar = ri->ri_ops.putchar; 485 ri->ri_ops.putchar = igsfb_accel_putchar; 486 } 487 488 igsfb_stdscreen.nrows = ri->ri_rows; 489 igsfb_stdscreen.ncols = ri->ri_cols; 490 igsfb_stdscreen.textops = &ri->ri_ops; 491 igsfb_stdscreen.capabilities = ri->ri_caps; 492 } 493 494 495 /* 496 * Init cursor data in dc_cursor for the accelerated text cursor. 497 */ 498 static int 499 igsfb_make_text_cursor(struct igsfb_devconfig *dc, struct vcons_screen *scr) 500 { 501 struct rasops_info *ri = &scr->scr_ri; 502 struct wsdisplay_font *f = ri->ri_font; 503 uint16_t cc_scan[8]; /* one sprite scanline */ 504 uint16_t s; 505 int w, i; 506 507 KASSERT(f->fontwidth <= IGS_CURSOR_MAX_SIZE); 508 KASSERT(f->fontheight <= IGS_CURSOR_MAX_SIZE); 509 510 w = f->fontwidth; 511 for (i = 0; i < f->stride; ++i) { 512 if (w >= 8) { 513 s = 0xffff; /* all inverted */ 514 w -= 8; 515 } else { 516 /* first w pixels inverted, the rest is transparent */ 517 s = ~(0x5555 << (w * 2)); 518 s = htole16(s); 519 w = 0; 520 } 521 cc_scan[i] = s; 522 } 523 524 dc->dc_cursor.cc_size.x = f->fontwidth; 525 dc->dc_cursor.cc_size.y = f->fontheight; 526 527 dc->dc_cursor.cc_hot.x = 0; 528 dc->dc_cursor.cc_hot.y = 0; 529 530 /* init sprite array to be all transparent */ 531 memset(dc->dc_cursor.cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE); 532 533 for (i = 0; i < f->fontheight; ++i) 534 memcpy(&dc->dc_cursor.cc_sprite[i * 8], 535 cc_scan, f->stride * sizeof(uint16_t)); 536 537 return 0; 538 } 539 540 541 /* 542 * Spread a byte (abcd.efgh) into two (0a0b.0c0d 0e0f.0g0h). 543 * Helper function for igsfb_init_bit_table(). 544 */ 545 static uint16_t 546 igsfb_spread_bits_8(uint8_t b) 547 { 548 uint16_t s = b; 549 550 s = ((s & 0x00f0) << 4) | (s & 0x000f); 551 s = ((s & 0x0c0c) << 2) | (s & 0x0303); 552 s = ((s & 0x2222) << 1) | (s & 0x1111); 553 return s; 554 } 555 556 557 /* 558 * Cursor sprite data are in 2bpp. Incoming image/mask are in 1bpp. 559 * Prebuild the table to expand 1bpp->2bpp, with bswapping if necessary. 560 */ 561 static void 562 igsfb_init_bit_table(struct igsfb_devconfig *dc) 563 { 564 uint16_t *expand = dc->dc_bexpand; 565 uint16_t s; 566 u_int i; 567 568 for (i = 0; i < 256; ++i) { 569 s = igsfb_spread_bits_8(i); 570 expand[i] = htole16(s); 571 } 572 } 573 574 575 /* 576 * wsdisplay_accessops: mmap() 577 * XXX: security considerations for allowing mmapping i/o mapped i/o regs? 578 */ 579 static paddr_t 580 igsfb_mmap(void *v, void *vs, off_t offset, int prot) 581 { 582 struct vcons_data *vd = v; 583 struct igsfb_devconfig *dc = vd->cookie; 584 585 if (offset < dc->dc_memsz && offset >= 0) 586 return bus_space_mmap(dc->dc_memt, dc->dc_memaddr, offset, 587 prot, dc->dc_memflags | BUS_SPACE_MAP_LINEAR); 588 if (dc->dc_mmap) 589 return dc->dc_mmap(v, vs, offset, prot); 590 return -1; 591 } 592 593 594 /* 595 * wsdisplay_accessops: ioctl() 596 */ 597 static int 598 igsfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 599 struct lwp *l) 600 { 601 struct vcons_data *vd = v; 602 struct igsfb_devconfig *dc = vd->cookie; 603 int cursor_busy; 604 int turnoff; 605 606 /* don't permit cursor ioctls if we use sprite for text cursor */ 607 cursor_busy = !dc->dc_mapped 608 && (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR); 609 610 switch (cmd) { 611 612 case WSDISPLAYIO_GTYPE: 613 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 614 return 0; 615 616 case WSDISPLAYIO_GINFO: 617 #define wsd_fbip ((struct wsdisplay_fbinfo *)data) 618 wsd_fbip->height = dc->dc_height; 619 wsd_fbip->width = dc->dc_width; 620 wsd_fbip->depth = dc->dc_maxdepth; 621 wsd_fbip->cmsize = IGS_CMAP_SIZE; 622 #undef wsd_fbip 623 return 0; 624 625 case WSDISPLAYIO_LINEBYTES: 626 *(int *)data = dc->dc_width * (dc->dc_maxdepth >> 3); 627 return 0; 628 629 case WSDISPLAYIO_SMODE: 630 #define d (*(int *)data) 631 if (d != WSDISPLAYIO_MODE_EMUL) { 632 dc->dc_mapped = 1; 633 /* turn off hardware cursor */ 634 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) { 635 dc->dc_curenb = 0; 636 igsfb_update_cursor(dc, 637 WSDISPLAY_CURSOR_DOCUR); 638 } 639 if ((dc->dc_mode != NULL) && (dc->dc_maxdepth != 8)) 640 igsfb_set_mode(dc, dc->dc_mode, 641 dc->dc_maxdepth); 642 } else { 643 dc->dc_mapped = 0; 644 if ((dc->dc_mode != NULL) && (dc->dc_maxdepth != 8)) 645 igsfb_set_mode(dc, dc->dc_mode, 8); 646 igsfb_init_cmap(dc); 647 /* reinit sprite for text cursor */ 648 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) { 649 igsfb_make_text_cursor(dc, dc->dc_vd.active); 650 dc->dc_curenb = 0; 651 igsfb_update_cursor(dc, 652 WSDISPLAY_CURSOR_DOSHAPE 653 | WSDISPLAY_CURSOR_DOCUR); 654 } 655 vcons_redraw_screen(vd->active); 656 } 657 return 0; 658 659 case WSDISPLAYIO_GVIDEO: 660 *(u_int *)data = dc->dc_blanked ? 661 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; 662 return 0; 663 664 case WSDISPLAYIO_SVIDEO: 665 turnoff = (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF); 666 if (dc->dc_blanked != turnoff) { 667 dc->dc_blanked = turnoff; 668 igsfb_blank_screen(dc, dc->dc_blanked); 669 } 670 return 0; 671 672 case WSDISPLAYIO_GETCMAP: 673 return igsfb_get_cmap(dc, (struct wsdisplay_cmap *)data); 674 675 case WSDISPLAYIO_PUTCMAP: 676 return igsfb_set_cmap(dc, (struct wsdisplay_cmap *)data); 677 678 case WSDISPLAYIO_GCURMAX: 679 ((struct wsdisplay_curpos *)data)->x = IGS_CURSOR_MAX_SIZE; 680 ((struct wsdisplay_curpos *)data)->y = IGS_CURSOR_MAX_SIZE; 681 return 0; 682 683 case WSDISPLAYIO_GCURPOS: 684 if (cursor_busy) 685 return EBUSY; 686 *(struct wsdisplay_curpos *)data = dc->dc_cursor.cc_pos; 687 return 0; 688 689 case WSDISPLAYIO_SCURPOS: 690 if (cursor_busy) 691 return EBUSY; 692 igsfb_set_curpos(dc, (struct wsdisplay_curpos *)data); 693 return 0; 694 695 case WSDISPLAYIO_GCURSOR: 696 if (cursor_busy) 697 return EBUSY; 698 return igsfb_get_cursor(dc, (struct wsdisplay_cursor *)data); 699 700 case WSDISPLAYIO_SCURSOR: 701 if (cursor_busy) 702 return EBUSY; 703 return igsfb_set_cursor(dc, (struct wsdisplay_cursor *)data); 704 } 705 706 return EPASSTHROUGH; 707 } 708 709 710 /* 711 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SVIDEO) 712 */ 713 static void 714 igsfb_blank_screen(struct igsfb_devconfig *dc, int blank) 715 { 716 717 igs_ext_write(dc->dc_iot, dc->dc_ioh, 718 IGS_EXT_SYNC_CTL, 719 blank ? IGS_EXT_SYNC_H0 | IGS_EXT_SYNC_V0 720 : 0); 721 } 722 723 724 /* 725 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GETCMAP) 726 * Served from the software cmap copy. 727 */ 728 static int 729 igsfb_get_cmap(struct igsfb_devconfig *dc, struct wsdisplay_cmap *p) 730 { 731 u_int index, count; 732 int err; 733 734 index = p->index; 735 count = p->count; 736 737 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index) 738 return EINVAL; 739 740 err = copyout(&dc->dc_cmap.r[index], p->red, count); 741 if (err) 742 return err; 743 err = copyout(&dc->dc_cmap.g[index], p->green, count); 744 if (err) 745 return err; 746 err = copyout(&dc->dc_cmap.b[index], p->blue, count); 747 if (err) 748 return err; 749 750 return 0; 751 } 752 753 754 /* 755 * wsdisplay_accessops: ioctl(WSDISPLAYIO_PUTCMAP) 756 * Set the software cmap copy and propagate changed range to the device. 757 */ 758 static int 759 igsfb_set_cmap(struct igsfb_devconfig *dc, const struct wsdisplay_cmap *p) 760 { 761 u_int index, count; 762 uint8_t r[IGS_CMAP_SIZE]; 763 uint8_t g[IGS_CMAP_SIZE]; 764 uint8_t b[IGS_CMAP_SIZE]; 765 int error; 766 767 index = p->index; 768 count = p->count; 769 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index) 770 return EINVAL; 771 error = copyin(p->red, &r[index], count); 772 if (error) 773 return error; 774 error = copyin(p->green, &g[index], count); 775 if (error) 776 return error; 777 error = copyin(p->blue, &b[index], count); 778 if (error) 779 return error; 780 781 memcpy(&dc->dc_cmap.r[index], &r[index], count); 782 memcpy(&dc->dc_cmap.g[index], &g[index], count); 783 memcpy(&dc->dc_cmap.b[index], &b[index], count); 784 785 /* propagate changes to the device */ 786 igsfb_update_cmap(dc, index, count); 787 return 0; 788 } 789 790 791 /* 792 * Propagate specified part of the software cmap copy to the device. 793 */ 794 static void 795 igsfb_update_cmap(struct igsfb_devconfig *dc, u_int index, u_int count) 796 { 797 bus_space_tag_t t; 798 bus_space_handle_t h; 799 u_int last, i; 800 801 if (index >= IGS_CMAP_SIZE) 802 return; 803 804 last = index + count; 805 if (last > IGS_CMAP_SIZE) 806 last = IGS_CMAP_SIZE; 807 808 t = dc->dc_iot; 809 h = dc->dc_ioh; 810 811 /* start palette writing, index is autoincremented by hardware */ 812 bus_space_write_1(t, h, IGS_DAC_PEL_WRITE_IDX, index); 813 814 for (i = index; i < last; ++i) { 815 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.r[i]); 816 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.g[i]); 817 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.b[i]); 818 } 819 } 820 821 822 /* 823 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURPOS) 824 */ 825 static void 826 igsfb_set_curpos(struct igsfb_devconfig *dc, 827 const struct wsdisplay_curpos *curpos) 828 { 829 struct rasops_info *ri = &dc->dc_vd.active->scr_ri; 830 u_int x = curpos->x, y = curpos->y; 831 832 if (x >= ri->ri_width) 833 x = ri->ri_width - 1; 834 if (y >= ri->ri_height) 835 y = ri->ri_height - 1; 836 837 dc->dc_cursor.cc_pos.x = x; 838 dc->dc_cursor.cc_pos.y = y; 839 840 /* propagate changes to the device */ 841 igsfb_update_curpos(dc); 842 } 843 844 845 static void 846 igsfb_update_curpos(struct igsfb_devconfig *dc) 847 { 848 bus_space_tag_t t; 849 bus_space_handle_t h; 850 int x, xoff, y, yoff; 851 852 xoff = 0; 853 x = dc->dc_cursor.cc_pos.x - dc->dc_cursor.cc_hot.x; 854 if (x < 0) { 855 xoff = -x; 856 x = 0; 857 } 858 859 yoff = 0; 860 y = dc->dc_cursor.cc_pos.y - dc->dc_cursor.cc_hot.y; 861 if (y < 0) { 862 yoff = -y; 863 y = 0; 864 } 865 866 t = dc->dc_iot; 867 h = dc->dc_ioh; 868 869 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_LO, x & 0xff); 870 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_HI, (x >> 8) & 0x07); 871 igs_ext_write(t, h, IGS_EXT_SPRITE_HPRESET, xoff & 0x3f); 872 873 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_LO, y & 0xff); 874 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_HI, (y >> 8) & 0x07); 875 igs_ext_write(t, h, IGS_EXT_SPRITE_VPRESET, yoff & 0x3f); 876 } 877 878 879 /* 880 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GCURSOR) 881 */ 882 static int 883 igsfb_get_cursor(struct igsfb_devconfig *dc, struct wsdisplay_cursor *p) 884 { 885 886 /* XXX: TODO */ 887 return 0; 888 } 889 890 891 /* 892 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURSOR) 893 */ 894 static int 895 igsfb_set_cursor(struct igsfb_devconfig *dc, const struct wsdisplay_cursor *p) 896 { 897 struct igs_hwcursor *cc; 898 struct wsdisplay_curpos pos, hot; 899 u_int v, index, count, icount, iwidth; 900 uint8_t r[2], g[2], b[2], image[512], mask[512]; 901 int error; 902 903 cc = &dc->dc_cursor; 904 v = p->which; 905 index = count = icount = iwidth = 0; /* XXX: gcc */ 906 pos.x = pos.y = 0; /* XXX: gcc */ 907 908 /* copy in the new cursor colormap */ 909 if (v & WSDISPLAY_CURSOR_DOCMAP) { 910 index = p->cmap.index; 911 count = p->cmap.count; 912 if (index >= 2 || (index + count) > 2) 913 return EINVAL; 914 error = copyin(p->cmap.red, &r[index], count); 915 if (error) 916 return error; 917 error = copyin(p->cmap.green, &g[index], count); 918 if (error) 919 return error; 920 error = copyin(p->cmap.blue, &b[index], count); 921 if (error) 922 return error; 923 } 924 925 /* verify that the new cursor data are valid */ 926 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 927 if (p->size.x > IGS_CURSOR_MAX_SIZE 928 || p->size.y > IGS_CURSOR_MAX_SIZE) 929 return EINVAL; 930 931 iwidth = (p->size.x + 7) >> 3; /* bytes per scan line */ 932 icount = iwidth * p->size.y; 933 error = copyin(p->image, image, icount); 934 if (error) 935 return error; 936 error = copyin(p->mask, mask, icount); 937 if (error) 938 return error; 939 } 940 941 /* enforce that the position is within screen bounds */ 942 if (v & WSDISPLAY_CURSOR_DOPOS) { 943 struct rasops_info *ri = &dc->dc_vd.active->scr_ri; 944 945 pos = p->pos; /* local copy we can write to */ 946 if (pos.x >= ri->ri_width) 947 pos.x = ri->ri_width - 1; 948 if (pos.y >= ri->ri_height) 949 pos.y = ri->ri_height - 1; 950 } 951 952 /* enforce that the hot spot is within sprite bounds */ 953 if (v & WSDISPLAY_CURSOR_DOHOT) 954 hot = p->hot; /* local copy we can write to */ 955 956 if (v & (WSDISPLAY_CURSOR_DOHOT | WSDISPLAY_CURSOR_DOSHAPE)) { 957 const struct wsdisplay_curpos *nsize; 958 struct wsdisplay_curpos *nhot; 959 960 nsize = (v & WSDISPLAY_CURSOR_DOSHAPE) ? 961 &p->size : &cc->cc_size; 962 nhot = (v & WSDISPLAY_CURSOR_DOHOT) ? &hot : &cc->cc_hot; 963 964 if (nhot->x >= nsize->x) 965 nhot->x = nsize->x - 1; 966 if (nhot->y >= nsize->y) 967 nhot->y = nsize->y - 1; 968 } 969 970 /* copy data to the driver's cursor info */ 971 if (v & WSDISPLAY_CURSOR_DOCUR) 972 dc->dc_curenb = p->enable; 973 if (v & WSDISPLAY_CURSOR_DOPOS) 974 cc->cc_pos = pos; /* local copy, possibly corrected */ 975 if (v & WSDISPLAY_CURSOR_DOHOT) 976 cc->cc_hot = hot; /* local copy, possibly corrected */ 977 if (v & WSDISPLAY_CURSOR_DOCMAP) { 978 memcpy(&cc->cc_color[index], &r[index], count); 979 memcpy(&cc->cc_color[index + 2], &g[index], count); 980 memcpy(&cc->cc_color[index + 4], &b[index], count); 981 } 982 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 983 u_int trailing_bits; 984 985 memcpy(cc->cc_image, image, icount); 986 memcpy(cc->cc_mask, mask, icount); 987 cc->cc_size = p->size; 988 989 /* clear trailing bits in the "partial" mask bytes */ 990 trailing_bits = p->size.x & 0x07; 991 if (trailing_bits != 0) { 992 const u_int cutmask = ~((~0) << trailing_bits); 993 u_char *mp; 994 u_int i; 995 996 mp = cc->cc_mask + iwidth - 1; 997 for (i = 0; i < p->size.y; ++i) { 998 *mp &= cutmask; 999 mp += iwidth; 1000 } 1001 } 1002 igsfb_convert_cursor_data(dc, iwidth, p->size.y); 1003 } 1004 1005 /* propagate changes to the device */ 1006 igsfb_update_cursor(dc, v); 1007 1008 return 0; 1009 } 1010 1011 1012 /* 1013 * Convert incoming 1bpp cursor image/mask into native 2bpp format. 1014 */ 1015 static void 1016 igsfb_convert_cursor_data(struct igsfb_devconfig *dc, 1017 u_int width, u_int height) 1018 { 1019 struct igs_hwcursor *cc = &dc->dc_cursor; 1020 uint16_t *expand = dc->dc_bexpand; 1021 uint8_t *ip, *mp; 1022 uint16_t is, ms, *dp; 1023 u_int line, i; 1024 1025 /* init sprite to be all transparent */ 1026 memset(cc->cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE); 1027 1028 /* first scanline */ 1029 ip = cc->cc_image; 1030 mp = cc->cc_mask; 1031 dp = cc->cc_sprite; 1032 1033 for (line = 0; line < height; ++line) { 1034 for (i = 0; i < width; ++i) { 1035 is = expand[ip[i]]; /* image: 0 -> 00, 1 -> 01 */ 1036 ms = expand[mp[i]]; /* mask: 0 -> 00, 1 -> 11 */ 1037 ms |= (ms << 1); 1038 dp[i] = (0xaaaa & ~ms) | (is & ms); 1039 } 1040 1041 /* next scanline */ 1042 ip += width; 1043 mp += width; 1044 dp += 8; /* 64 pixels, 2bpp, 8 pixels per short = 8 shorts */ 1045 } 1046 } 1047 1048 1049 /* 1050 * Propagate cursor changes to the device. 1051 * "which" is composed of WSDISPLAY_CURSOR_DO* bits. 1052 */ 1053 static void 1054 igsfb_update_cursor(struct igsfb_devconfig *dc, u_int which) 1055 { 1056 bus_space_tag_t iot = dc->dc_iot; 1057 bus_space_handle_t ioh = dc->dc_ioh; 1058 uint8_t curctl; 1059 1060 curctl = 0; /* XXX: gcc */ 1061 1062 /* 1063 * We will need to tweak sprite control register for cursor 1064 * visibility and cursor color map manipulation. 1065 */ 1066 if (which & (WSDISPLAY_CURSOR_DOCUR | WSDISPLAY_CURSOR_DOCMAP)) { 1067 curctl = igs_ext_read(iot, ioh, IGS_EXT_SPRITE_CTL); 1068 } 1069 1070 if (which & WSDISPLAY_CURSOR_DOSHAPE) { 1071 uint8_t *dst = bus_space_vaddr(dc->dc_memt, dc->dc_crh); 1072 1073 /* 1074 * memcpy between spaces of different endianness would 1075 * be ... special. We cannot be sure if memcpy gonna 1076 * push data in 4-byte chunks, we can't pre-bswap it, 1077 * so do it byte-by-byte to preserve byte ordering. 1078 */ 1079 if (IGSFB_HW_SOFT_BSWAP(dc)) { 1080 uint8_t *src = (uint8_t *)dc->dc_cursor.cc_sprite; 1081 int i; 1082 1083 for (i = 0; i < IGS_CURSOR_DATA_SIZE; ++i) 1084 *dst++ = *src++; 1085 } else { 1086 memcpy(dst, dc->dc_cursor.cc_sprite, 1087 IGS_CURSOR_DATA_SIZE); 1088 } 1089 } 1090 1091 if (which & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) { 1092 /* code shared with WSDISPLAYIO_SCURPOS */ 1093 igsfb_update_curpos(dc); 1094 } 1095 1096 if (which & WSDISPLAY_CURSOR_DOCMAP) { 1097 uint8_t *p; 1098 1099 /* tell DAC we want access to the cursor palette */ 1100 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1101 curctl | IGS_EXT_SPRITE_DAC_PEL); 1102 1103 p = dc->dc_cursor.cc_color; 1104 1105 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 0); 1106 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[0]); 1107 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[2]); 1108 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[4]); 1109 1110 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 1); 1111 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[1]); 1112 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[3]); 1113 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[5]); 1114 1115 /* restore access to the normal palette */ 1116 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, curctl); 1117 } 1118 1119 if (which & WSDISPLAY_CURSOR_DOCUR) { 1120 if ((curctl & IGS_EXT_SPRITE_VISIBLE) == 0 1121 && dc->dc_curenb) 1122 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1123 curctl | IGS_EXT_SPRITE_VISIBLE); 1124 else if ((curctl & IGS_EXT_SPRITE_VISIBLE) != 0 1125 && !dc->dc_curenb) 1126 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1127 curctl & ~IGS_EXT_SPRITE_VISIBLE); 1128 } 1129 } 1130 1131 1132 /* 1133 * Accelerated text mode cursor that uses hardware sprite. 1134 */ 1135 static void 1136 igsfb_accel_cursor(void *cookie, int on, int row, int col) 1137 { 1138 struct rasops_info *ri = (struct rasops_info *)cookie; 1139 struct vcons_screen *scr = ri->ri_hw; 1140 struct igsfb_devconfig *dc = scr->scr_cookie; 1141 struct igs_hwcursor *cc = &dc->dc_cursor; 1142 u_int which; 1143 1144 ri->ri_crow = row; 1145 ri->ri_ccol = col; 1146 1147 which = 0; 1148 if (on) { 1149 ri->ri_flg |= RI_CURSOR; 1150 1151 /* only bother to move the cursor if it's visible */ 1152 cc->cc_pos.x = ri->ri_xorigin 1153 + ri->ri_ccol * ri->ri_font->fontwidth; 1154 cc->cc_pos.y = ri->ri_yorigin 1155 + ri->ri_crow * ri->ri_font->fontheight; 1156 which |= WSDISPLAY_CURSOR_DOPOS; 1157 } else 1158 ri->ri_flg &= ~RI_CURSOR; 1159 1160 if (dc->dc_curenb != on) { 1161 dc->dc_curenb = on; 1162 which |= WSDISPLAY_CURSOR_DOCUR; 1163 } 1164 1165 /* propagate changes to the device */ 1166 igsfb_update_cursor(dc, which); 1167 } 1168 1169 1170 1171 /* 1172 * Accelerated raster ops that use graphic coprocessor. 1173 */ 1174 1175 static int 1176 igsfb_accel_wait(struct igsfb_devconfig *dc) 1177 { 1178 bus_space_tag_t t = dc->dc_iot; 1179 bus_space_handle_t h = dc->dc_coph; 1180 int timo = 100000; 1181 uint8_t reg; 1182 1183 bus_space_write_1(t, h, IGS_COP_MAP_FMT_REG, (dc->dc_depth >> 3) - 1); 1184 while (timo--) { 1185 reg = bus_space_read_1(t, h, IGS_COP_CTL_REG); 1186 if ((reg & IGS_COP_CTL_BUSY) == 0) 1187 return 0; 1188 } 1189 1190 return 1; 1191 } 1192 1193 1194 static void 1195 igsfb_accel_copy(struct igsfb_devconfig *dc, uint32_t src, uint32_t dst, 1196 uint16_t width, uint16_t height) 1197 { 1198 bus_space_tag_t t = dc->dc_iot; 1199 bus_space_handle_t h = dc->dc_coph; 1200 uint32_t toend; 1201 uint8_t drawcmd; 1202 1203 drawcmd = IGS_COP_DRAW_ALL; 1204 if (dst > src) { 1205 toend = dc->dc_vd.active->scr_ri.ri_width * (height - 1) + (width - 1); 1206 src += toend; 1207 dst += toend; 1208 drawcmd |= IGS_COP_OCTANT_X_NEG | IGS_COP_OCTANT_Y_NEG; 1209 } 1210 1211 igsfb_accel_wait(dc); 1212 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0); 1213 1214 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S); 1215 1216 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1); 1217 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1); 1218 1219 bus_space_write_4(t, h, IGS_COP_SRC_START_REG, src); 1220 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst); 1221 1222 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, drawcmd); 1223 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG); 1224 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0); 1225 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, 1226 IGS_COP_OP_PXBLT | IGS_COP_OP_FG_FROM_SRC); 1227 } 1228 1229 1230 static void 1231 igsfb_accel_fill(struct igsfb_devconfig *dc, uint32_t color, uint32_t dst, 1232 uint16_t width, uint16_t height) 1233 { 1234 bus_space_tag_t t = dc->dc_iot; 1235 bus_space_handle_t h = dc->dc_coph; 1236 1237 igsfb_accel_wait(dc); 1238 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0); 1239 1240 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S); 1241 1242 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1); 1243 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1); 1244 1245 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst); 1246 bus_space_write_4(t, h, IGS_COP_FG_REG, color); 1247 1248 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, IGS_COP_DRAW_ALL); 1249 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG); 1250 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0); 1251 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, IGS_COP_OP_PXBLT); 1252 } 1253 1254 1255 static void 1256 igsfb_accel_copyrows(void *cookie, int src, int dst, int num) 1257 { 1258 struct rasops_info *ri = (struct rasops_info *)cookie; 1259 struct vcons_screen *scr = ri->ri_hw; 1260 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1261 uint32_t srp, dsp; 1262 uint16_t width, height; 1263 1264 width = ri->ri_emuwidth; 1265 height = num * ri->ri_font->fontheight; 1266 1267 srp = ri->ri_xorigin 1268 + ri->ri_width * (ri->ri_yorigin 1269 + src * ri->ri_font->fontheight); 1270 dsp = ri->ri_xorigin 1271 + ri->ri_width * (ri->ri_yorigin 1272 + dst * ri->ri_font->fontheight); 1273 1274 igsfb_accel_copy(dc, srp, dsp, width, height); 1275 } 1276 1277 1278 static void 1279 igsfb_accel_copycols(void *cookie, int row, int src, int dst, int num) 1280 { 1281 struct rasops_info *ri = (struct rasops_info *)cookie; 1282 struct vcons_screen *scr = ri->ri_hw; 1283 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1284 uint32_t rowp, srp, dsp; 1285 uint16_t width, height; 1286 1287 width = num * ri->ri_font->fontwidth; 1288 height = ri->ri_font->fontheight; 1289 1290 rowp = ri->ri_xorigin 1291 + ri->ri_width * (ri->ri_yorigin 1292 + row * ri->ri_font->fontheight); 1293 1294 srp = rowp + src * ri->ri_font->fontwidth; 1295 dsp = rowp + dst * ri->ri_font->fontwidth; 1296 1297 igsfb_accel_copy(dc, srp, dsp, width, height); 1298 } 1299 1300 1301 static void 1302 igsfb_accel_eraserows(void *cookie, int row, int num, long attr) 1303 { 1304 struct rasops_info *ri = (struct rasops_info *)cookie; 1305 struct vcons_screen *scr = ri->ri_hw; 1306 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1307 uint32_t color; 1308 uint32_t dsp; 1309 uint16_t width, height; 1310 1311 if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) { 1312 width = ri->ri_width; 1313 height = ri->ri_height; 1314 dsp = 0; 1315 } else { 1316 width = ri->ri_emuwidth; 1317 height = num * ri->ri_font->fontheight; 1318 1319 dsp = ri->ri_xorigin 1320 + ri->ri_width * (ri->ri_yorigin 1321 + row * ri->ri_font->fontheight); 1322 } 1323 1324 /* XXX: we "know" the encoding that rasops' allocattr uses */ 1325 color = (attr >> 16) & 0xff; 1326 1327 igsfb_accel_fill(dc, color, dsp, width, height); 1328 } 1329 1330 1331 static void 1332 igsfb_accel_erasecols(void *cookie, int row, int col, int num, long attr) 1333 { 1334 struct rasops_info *ri = (struct rasops_info *)cookie; 1335 struct vcons_screen *scr = ri->ri_hw; 1336 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1337 uint32_t color; 1338 uint32_t rowp, dsp; 1339 uint16_t width, height; 1340 1341 width = num * ri->ri_font->fontwidth; 1342 height = ri->ri_font->fontheight; 1343 1344 rowp = ri->ri_xorigin 1345 + ri->ri_width * (ri->ri_yorigin 1346 + row * ri->ri_font->fontheight); 1347 1348 dsp = rowp + col * ri->ri_font->fontwidth; 1349 1350 /* XXX: we "know" the encoding that rasops' allocattr uses */ 1351 color = (attr >> 16) & 0xff; 1352 1353 igsfb_accel_fill(dc, color, dsp, width, height); 1354 } 1355 1356 1357 /* 1358 * Not really implemented here, but we need to hook into the one 1359 * supplied by rasops so that we can synchronize with the COP. 1360 */ 1361 static void 1362 igsfb_accel_putchar(void *cookie, int row, int col, u_int uc, long attr) 1363 { 1364 struct rasops_info *ri = (struct rasops_info *)cookie; 1365 struct vcons_screen *scr = ri->ri_hw; 1366 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1367 1368 igsfb_accel_wait(dc); 1369 (*dc->dc_ri_putchar)(cookie, row, col, uc, attr); 1370 } 1371