1 /* $NetBSD: igsfb.c,v 1.49 2010/05/12 20:58:52 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 1.49 2010/05/12 20:58:52 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); 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 } 444 445 if (wsfcookie <= 0) { 446 printf("unable to find any fonts\n"); 447 return; 448 } 449 450 if (wsfont_lock(wsfcookie, &ri->ri_font) != 0) { 451 printf("unable to lock font\n"); 452 return; 453 } 454 ri->ri_wsfcookie = wsfcookie; 455 456 457 /* XXX: TODO: compute term size based on font dimensions? */ 458 rasops_init(ri, 34, 80); 459 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 460 ri->ri_width / ri->ri_font->fontwidth); 461 462 463 /* use the sprite for the text mode cursor */ 464 igsfb_make_text_cursor(dc, scr); 465 466 /* the cursor is "busy" while we are in the text mode */ 467 dc->dc_hwflags |= IGSFB_HW_TEXT_CURSOR; 468 469 /* propagate sprite data to the device */ 470 igsfb_update_cursor(dc, WSDISPLAY_CURSOR_DOSHAPE); 471 472 /* accelerated text cursor */ 473 ri->ri_ops.cursor = igsfb_accel_cursor; 474 475 if (dc->dc_id >= 0x2000) { /* XXX */ 476 /* accelerated erase/copy */ 477 ri->ri_ops.copycols = igsfb_accel_copycols; 478 ri->ri_ops.erasecols = igsfb_accel_erasecols; 479 ri->ri_ops.copyrows = igsfb_accel_copyrows; 480 ri->ri_ops.eraserows = igsfb_accel_eraserows; 481 482 /* putchar hook to sync with the cop */ 483 dc->dc_ri_putchar = ri->ri_ops.putchar; 484 ri->ri_ops.putchar = igsfb_accel_putchar; 485 } 486 487 igsfb_stdscreen.nrows = ri->ri_rows; 488 igsfb_stdscreen.ncols = ri->ri_cols; 489 igsfb_stdscreen.textops = &ri->ri_ops; 490 igsfb_stdscreen.capabilities = ri->ri_caps; 491 } 492 493 494 /* 495 * Init cursor data in dc_cursor for the accelerated text cursor. 496 */ 497 static int 498 igsfb_make_text_cursor(struct igsfb_devconfig *dc, struct vcons_screen *scr) 499 { 500 struct rasops_info *ri = &scr->scr_ri; 501 struct wsdisplay_font *f = ri->ri_font; 502 uint16_t cc_scan[8]; /* one sprite scanline */ 503 uint16_t s; 504 int w, i; 505 506 KASSERT(f->fontwidth <= IGS_CURSOR_MAX_SIZE); 507 KASSERT(f->fontheight <= IGS_CURSOR_MAX_SIZE); 508 509 w = f->fontwidth; 510 for (i = 0; i < f->stride; ++i) { 511 if (w >= 8) { 512 s = 0xffff; /* all inverted */ 513 w -= 8; 514 } else { 515 /* first w pixels inverted, the rest is transparent */ 516 s = ~(0x5555 << (w * 2)); 517 s = htole16(s); 518 w = 0; 519 } 520 cc_scan[i] = s; 521 } 522 523 dc->dc_cursor.cc_size.x = f->fontwidth; 524 dc->dc_cursor.cc_size.y = f->fontheight; 525 526 dc->dc_cursor.cc_hot.x = 0; 527 dc->dc_cursor.cc_hot.y = 0; 528 529 /* init sprite array to be all transparent */ 530 memset(dc->dc_cursor.cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE); 531 532 for (i = 0; i < f->fontheight; ++i) 533 memcpy(&dc->dc_cursor.cc_sprite[i * 8], 534 cc_scan, f->stride * sizeof(uint16_t)); 535 536 return 0; 537 } 538 539 540 /* 541 * Spread a byte (abcd.efgh) into two (0a0b.0c0d 0e0f.0g0h). 542 * Helper function for igsfb_init_bit_table(). 543 */ 544 static uint16_t 545 igsfb_spread_bits_8(uint8_t b) 546 { 547 uint16_t s = b; 548 549 s = ((s & 0x00f0) << 4) | (s & 0x000f); 550 s = ((s & 0x0c0c) << 2) | (s & 0x0303); 551 s = ((s & 0x2222) << 1) | (s & 0x1111); 552 return s; 553 } 554 555 556 /* 557 * Cursor sprite data are in 2bpp. Incoming image/mask are in 1bpp. 558 * Prebuild the table to expand 1bpp->2bpp, with bswapping if necessary. 559 */ 560 static void 561 igsfb_init_bit_table(struct igsfb_devconfig *dc) 562 { 563 uint16_t *expand = dc->dc_bexpand; 564 uint16_t s; 565 u_int i; 566 567 for (i = 0; i < 256; ++i) { 568 s = igsfb_spread_bits_8(i); 569 expand[i] = htole16(s); 570 } 571 } 572 573 574 /* 575 * wsdisplay_accessops: mmap() 576 * XXX: security considerations for allowing mmapping i/o mapped i/o regs? 577 */ 578 static paddr_t 579 igsfb_mmap(void *v, void *vs, off_t offset, int prot) 580 { 581 struct vcons_data *vd = v; 582 struct igsfb_devconfig *dc = vd->cookie; 583 584 if (offset < dc->dc_memsz && offset >= 0) 585 return bus_space_mmap(dc->dc_memt, dc->dc_memaddr, offset, 586 prot, dc->dc_memflags | BUS_SPACE_MAP_LINEAR); 587 if (dc->dc_mmap) 588 return dc->dc_mmap(v, vs, offset, prot); 589 return -1; 590 } 591 592 593 /* 594 * wsdisplay_accessops: ioctl() 595 */ 596 static int 597 igsfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 598 struct lwp *l) 599 { 600 struct vcons_data *vd = v; 601 struct igsfb_devconfig *dc = vd->cookie; 602 int cursor_busy; 603 int turnoff; 604 605 /* don't permit cursor ioctls if we use sprite for text cursor */ 606 cursor_busy = !dc->dc_mapped 607 && (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR); 608 609 switch (cmd) { 610 611 case WSDISPLAYIO_GTYPE: 612 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 613 return 0; 614 615 case WSDISPLAYIO_GINFO: 616 #define wsd_fbip ((struct wsdisplay_fbinfo *)data) 617 wsd_fbip->height = dc->dc_height; 618 wsd_fbip->width = dc->dc_width; 619 wsd_fbip->depth = dc->dc_maxdepth; 620 wsd_fbip->cmsize = IGS_CMAP_SIZE; 621 #undef wsd_fbip 622 return 0; 623 624 case WSDISPLAYIO_LINEBYTES: 625 *(int *)data = dc->dc_width * (dc->dc_maxdepth >> 3); 626 return 0; 627 628 case WSDISPLAYIO_SMODE: 629 #define d (*(int *)data) 630 if (d != WSDISPLAYIO_MODE_EMUL) { 631 dc->dc_mapped = 1; 632 /* turn off hardware cursor */ 633 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) { 634 dc->dc_curenb = 0; 635 igsfb_update_cursor(dc, 636 WSDISPLAY_CURSOR_DOCUR); 637 } 638 if ((dc->dc_mode != NULL) && (dc->dc_maxdepth != 8)) 639 igsfb_set_mode(dc, dc->dc_mode, 640 dc->dc_maxdepth); 641 } else { 642 dc->dc_mapped = 0; 643 if ((dc->dc_mode != NULL) && (dc->dc_maxdepth != 8)) 644 igsfb_set_mode(dc, dc->dc_mode, 8); 645 igsfb_init_cmap(dc); 646 /* reinit sprite for text cursor */ 647 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) { 648 igsfb_make_text_cursor(dc, dc->dc_vd.active); 649 dc->dc_curenb = 0; 650 igsfb_update_cursor(dc, 651 WSDISPLAY_CURSOR_DOSHAPE 652 | WSDISPLAY_CURSOR_DOCUR); 653 } 654 vcons_redraw_screen(vd->active); 655 } 656 return 0; 657 658 case WSDISPLAYIO_GVIDEO: 659 *(u_int *)data = dc->dc_blanked ? 660 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; 661 return 0; 662 663 case WSDISPLAYIO_SVIDEO: 664 turnoff = (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF); 665 if (dc->dc_blanked != turnoff) { 666 dc->dc_blanked = turnoff; 667 igsfb_blank_screen(dc, dc->dc_blanked); 668 } 669 return 0; 670 671 case WSDISPLAYIO_GETCMAP: 672 return igsfb_get_cmap(dc, (struct wsdisplay_cmap *)data); 673 674 case WSDISPLAYIO_PUTCMAP: 675 return igsfb_set_cmap(dc, (struct wsdisplay_cmap *)data); 676 677 case WSDISPLAYIO_GCURMAX: 678 ((struct wsdisplay_curpos *)data)->x = IGS_CURSOR_MAX_SIZE; 679 ((struct wsdisplay_curpos *)data)->y = IGS_CURSOR_MAX_SIZE; 680 return 0; 681 682 case WSDISPLAYIO_GCURPOS: 683 if (cursor_busy) 684 return EBUSY; 685 *(struct wsdisplay_curpos *)data = dc->dc_cursor.cc_pos; 686 return 0; 687 688 case WSDISPLAYIO_SCURPOS: 689 if (cursor_busy) 690 return EBUSY; 691 igsfb_set_curpos(dc, (struct wsdisplay_curpos *)data); 692 return 0; 693 694 case WSDISPLAYIO_GCURSOR: 695 if (cursor_busy) 696 return EBUSY; 697 return igsfb_get_cursor(dc, (struct wsdisplay_cursor *)data); 698 699 case WSDISPLAYIO_SCURSOR: 700 if (cursor_busy) 701 return EBUSY; 702 return igsfb_set_cursor(dc, (struct wsdisplay_cursor *)data); 703 } 704 705 return EPASSTHROUGH; 706 } 707 708 709 /* 710 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SVIDEO) 711 */ 712 static void 713 igsfb_blank_screen(struct igsfb_devconfig *dc, int blank) 714 { 715 716 igs_ext_write(dc->dc_iot, dc->dc_ioh, 717 IGS_EXT_SYNC_CTL, 718 blank ? IGS_EXT_SYNC_H0 | IGS_EXT_SYNC_V0 719 : 0); 720 } 721 722 723 /* 724 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GETCMAP) 725 * Served from the software cmap copy. 726 */ 727 static int 728 igsfb_get_cmap(struct igsfb_devconfig *dc, struct wsdisplay_cmap *p) 729 { 730 u_int index, count; 731 int err; 732 733 index = p->index; 734 count = p->count; 735 736 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index) 737 return EINVAL; 738 739 err = copyout(&dc->dc_cmap.r[index], p->red, count); 740 if (err) 741 return err; 742 err = copyout(&dc->dc_cmap.g[index], p->green, count); 743 if (err) 744 return err; 745 err = copyout(&dc->dc_cmap.b[index], p->blue, count); 746 if (err) 747 return err; 748 749 return 0; 750 } 751 752 753 /* 754 * wsdisplay_accessops: ioctl(WSDISPLAYIO_PUTCMAP) 755 * Set the software cmap copy and propagate changed range to the device. 756 */ 757 static int 758 igsfb_set_cmap(struct igsfb_devconfig *dc, const struct wsdisplay_cmap *p) 759 { 760 u_int index, count; 761 uint8_t r[IGS_CMAP_SIZE]; 762 uint8_t g[IGS_CMAP_SIZE]; 763 uint8_t b[IGS_CMAP_SIZE]; 764 int error; 765 766 index = p->index; 767 count = p->count; 768 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index) 769 return EINVAL; 770 error = copyin(p->red, &r[index], count); 771 if (error) 772 return error; 773 error = copyin(p->green, &g[index], count); 774 if (error) 775 return error; 776 error = copyin(p->blue, &b[index], count); 777 if (error) 778 return error; 779 780 memcpy(&dc->dc_cmap.r[index], &r[index], count); 781 memcpy(&dc->dc_cmap.g[index], &g[index], count); 782 memcpy(&dc->dc_cmap.b[index], &b[index], count); 783 784 /* propagate changes to the device */ 785 igsfb_update_cmap(dc, index, count); 786 return 0; 787 } 788 789 790 /* 791 * Propagate specified part of the software cmap copy to the device. 792 */ 793 static void 794 igsfb_update_cmap(struct igsfb_devconfig *dc, u_int index, u_int count) 795 { 796 bus_space_tag_t t; 797 bus_space_handle_t h; 798 u_int last, i; 799 800 if (index >= IGS_CMAP_SIZE) 801 return; 802 803 last = index + count; 804 if (last > IGS_CMAP_SIZE) 805 last = IGS_CMAP_SIZE; 806 807 t = dc->dc_iot; 808 h = dc->dc_ioh; 809 810 /* start palette writing, index is autoincremented by hardware */ 811 bus_space_write_1(t, h, IGS_DAC_PEL_WRITE_IDX, index); 812 813 for (i = index; i < last; ++i) { 814 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.r[i]); 815 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.g[i]); 816 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.b[i]); 817 } 818 } 819 820 821 /* 822 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURPOS) 823 */ 824 static void 825 igsfb_set_curpos(struct igsfb_devconfig *dc, 826 const struct wsdisplay_curpos *curpos) 827 { 828 struct rasops_info *ri = &dc->dc_vd.active->scr_ri; 829 u_int x = curpos->x, y = curpos->y; 830 831 if (x >= ri->ri_width) 832 x = ri->ri_width - 1; 833 if (y >= ri->ri_height) 834 y = ri->ri_height - 1; 835 836 dc->dc_cursor.cc_pos.x = x; 837 dc->dc_cursor.cc_pos.y = y; 838 839 /* propagate changes to the device */ 840 igsfb_update_curpos(dc); 841 } 842 843 844 static void 845 igsfb_update_curpos(struct igsfb_devconfig *dc) 846 { 847 bus_space_tag_t t; 848 bus_space_handle_t h; 849 int x, xoff, y, yoff; 850 851 xoff = 0; 852 x = dc->dc_cursor.cc_pos.x - dc->dc_cursor.cc_hot.x; 853 if (x < 0) { 854 xoff = -x; 855 x = 0; 856 } 857 858 yoff = 0; 859 y = dc->dc_cursor.cc_pos.y - dc->dc_cursor.cc_hot.y; 860 if (y < 0) { 861 yoff = -y; 862 y = 0; 863 } 864 865 t = dc->dc_iot; 866 h = dc->dc_ioh; 867 868 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_LO, x & 0xff); 869 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_HI, (x >> 8) & 0x07); 870 igs_ext_write(t, h, IGS_EXT_SPRITE_HPRESET, xoff & 0x3f); 871 872 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_LO, y & 0xff); 873 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_HI, (y >> 8) & 0x07); 874 igs_ext_write(t, h, IGS_EXT_SPRITE_VPRESET, yoff & 0x3f); 875 } 876 877 878 /* 879 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GCURSOR) 880 */ 881 static int 882 igsfb_get_cursor(struct igsfb_devconfig *dc, struct wsdisplay_cursor *p) 883 { 884 885 /* XXX: TODO */ 886 return 0; 887 } 888 889 890 /* 891 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURSOR) 892 */ 893 static int 894 igsfb_set_cursor(struct igsfb_devconfig *dc, const struct wsdisplay_cursor *p) 895 { 896 struct igs_hwcursor *cc; 897 struct wsdisplay_curpos pos, hot; 898 u_int v, index, count, icount, iwidth; 899 uint8_t r[2], g[2], b[2], image[512], mask[512]; 900 int error; 901 902 cc = &dc->dc_cursor; 903 v = p->which; 904 index = count = icount = iwidth = 0; /* XXX: gcc */ 905 pos.x = pos.y = 0; /* XXX: gcc */ 906 907 /* copy in the new cursor colormap */ 908 if (v & WSDISPLAY_CURSOR_DOCMAP) { 909 index = p->cmap.index; 910 count = p->cmap.count; 911 if (index >= 2 || (index + count) > 2) 912 return EINVAL; 913 error = copyin(p->cmap.red, &r[index], count); 914 if (error) 915 return error; 916 error = copyin(p->cmap.green, &g[index], count); 917 if (error) 918 return error; 919 error = copyin(p->cmap.blue, &b[index], count); 920 if (error) 921 return error; 922 } 923 924 /* verify that the new cursor data are valid */ 925 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 926 if (p->size.x > IGS_CURSOR_MAX_SIZE 927 || p->size.y > IGS_CURSOR_MAX_SIZE) 928 return EINVAL; 929 930 iwidth = (p->size.x + 7) >> 3; /* bytes per scan line */ 931 icount = iwidth * p->size.y; 932 error = copyin(p->image, image, icount); 933 if (error) 934 return error; 935 error = copyin(p->mask, mask, icount); 936 if (error) 937 return error; 938 } 939 940 /* enforce that the position is within screen bounds */ 941 if (v & WSDISPLAY_CURSOR_DOPOS) { 942 struct rasops_info *ri = &dc->dc_vd.active->scr_ri; 943 944 pos = p->pos; /* local copy we can write to */ 945 if (pos.x >= ri->ri_width) 946 pos.x = ri->ri_width - 1; 947 if (pos.y >= ri->ri_height) 948 pos.y = ri->ri_height - 1; 949 } 950 951 /* enforce that the hot spot is within sprite bounds */ 952 if (v & WSDISPLAY_CURSOR_DOHOT) 953 hot = p->hot; /* local copy we can write to */ 954 955 if (v & (WSDISPLAY_CURSOR_DOHOT | WSDISPLAY_CURSOR_DOSHAPE)) { 956 const struct wsdisplay_curpos *nsize; 957 struct wsdisplay_curpos *nhot; 958 959 nsize = (v & WSDISPLAY_CURSOR_DOSHAPE) ? 960 &p->size : &cc->cc_size; 961 nhot = (v & WSDISPLAY_CURSOR_DOHOT) ? &hot : &cc->cc_hot; 962 963 if (nhot->x >= nsize->x) 964 nhot->x = nsize->x - 1; 965 if (nhot->y >= nsize->y) 966 nhot->y = nsize->y - 1; 967 } 968 969 /* copy data to the driver's cursor info */ 970 if (v & WSDISPLAY_CURSOR_DOCUR) 971 dc->dc_curenb = p->enable; 972 if (v & WSDISPLAY_CURSOR_DOPOS) 973 cc->cc_pos = pos; /* local copy, possibly corrected */ 974 if (v & WSDISPLAY_CURSOR_DOHOT) 975 cc->cc_hot = hot; /* local copy, possibly corrected */ 976 if (v & WSDISPLAY_CURSOR_DOCMAP) { 977 memcpy(&cc->cc_color[index], &r[index], count); 978 memcpy(&cc->cc_color[index + 2], &g[index], count); 979 memcpy(&cc->cc_color[index + 4], &b[index], count); 980 } 981 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 982 u_int trailing_bits; 983 984 memcpy(cc->cc_image, image, icount); 985 memcpy(cc->cc_mask, mask, icount); 986 cc->cc_size = p->size; 987 988 /* clear trailing bits in the "partial" mask bytes */ 989 trailing_bits = p->size.x & 0x07; 990 if (trailing_bits != 0) { 991 const u_int cutmask = ~((~0) << trailing_bits); 992 u_char *mp; 993 u_int i; 994 995 mp = cc->cc_mask + iwidth - 1; 996 for (i = 0; i < p->size.y; ++i) { 997 *mp &= cutmask; 998 mp += iwidth; 999 } 1000 } 1001 igsfb_convert_cursor_data(dc, iwidth, p->size.y); 1002 } 1003 1004 /* propagate changes to the device */ 1005 igsfb_update_cursor(dc, v); 1006 1007 return 0; 1008 } 1009 1010 1011 /* 1012 * Convert incoming 1bpp cursor image/mask into native 2bpp format. 1013 */ 1014 static void 1015 igsfb_convert_cursor_data(struct igsfb_devconfig *dc, 1016 u_int width, u_int height) 1017 { 1018 struct igs_hwcursor *cc = &dc->dc_cursor; 1019 uint16_t *expand = dc->dc_bexpand; 1020 uint8_t *ip, *mp; 1021 uint16_t is, ms, *dp; 1022 u_int line, i; 1023 1024 /* init sprite to be all transparent */ 1025 memset(cc->cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE); 1026 1027 /* first scanline */ 1028 ip = cc->cc_image; 1029 mp = cc->cc_mask; 1030 dp = cc->cc_sprite; 1031 1032 for (line = 0; line < height; ++line) { 1033 for (i = 0; i < width; ++i) { 1034 is = expand[ip[i]]; /* image: 0 -> 00, 1 -> 01 */ 1035 ms = expand[mp[i]]; /* mask: 0 -> 00, 1 -> 11 */ 1036 ms |= (ms << 1); 1037 dp[i] = (0xaaaa & ~ms) | (is & ms); 1038 } 1039 1040 /* next scanline */ 1041 ip += width; 1042 mp += width; 1043 dp += 8; /* 64 pixels, 2bpp, 8 pixels per short = 8 shorts */ 1044 } 1045 } 1046 1047 1048 /* 1049 * Propagate cursor changes to the device. 1050 * "which" is composed of WSDISPLAY_CURSOR_DO* bits. 1051 */ 1052 static void 1053 igsfb_update_cursor(struct igsfb_devconfig *dc, u_int which) 1054 { 1055 bus_space_tag_t iot = dc->dc_iot; 1056 bus_space_handle_t ioh = dc->dc_ioh; 1057 uint8_t curctl; 1058 1059 curctl = 0; /* XXX: gcc */ 1060 1061 /* 1062 * We will need to tweak sprite control register for cursor 1063 * visibility and cursor color map manipulation. 1064 */ 1065 if (which & (WSDISPLAY_CURSOR_DOCUR | WSDISPLAY_CURSOR_DOCMAP)) { 1066 curctl = igs_ext_read(iot, ioh, IGS_EXT_SPRITE_CTL); 1067 } 1068 1069 if (which & WSDISPLAY_CURSOR_DOSHAPE) { 1070 uint8_t *dst = bus_space_vaddr(dc->dc_memt, dc->dc_crh); 1071 1072 /* 1073 * memcpy between spaces of different endianness would 1074 * be ... special. We cannot be sure if memcpy gonna 1075 * push data in 4-byte chunks, we can't pre-bswap it, 1076 * so do it byte-by-byte to preserve byte ordering. 1077 */ 1078 if (IGSFB_HW_SOFT_BSWAP(dc)) { 1079 uint8_t *src = (uint8_t *)dc->dc_cursor.cc_sprite; 1080 int i; 1081 1082 for (i = 0; i < IGS_CURSOR_DATA_SIZE; ++i) 1083 *dst++ = *src++; 1084 } else { 1085 memcpy(dst, dc->dc_cursor.cc_sprite, 1086 IGS_CURSOR_DATA_SIZE); 1087 } 1088 } 1089 1090 if (which & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) { 1091 /* code shared with WSDISPLAYIO_SCURPOS */ 1092 igsfb_update_curpos(dc); 1093 } 1094 1095 if (which & WSDISPLAY_CURSOR_DOCMAP) { 1096 uint8_t *p; 1097 1098 /* tell DAC we want access to the cursor palette */ 1099 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1100 curctl | IGS_EXT_SPRITE_DAC_PEL); 1101 1102 p = dc->dc_cursor.cc_color; 1103 1104 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 0); 1105 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[0]); 1106 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[2]); 1107 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[4]); 1108 1109 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 1); 1110 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[1]); 1111 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[3]); 1112 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[5]); 1113 1114 /* restore access to the normal palette */ 1115 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, curctl); 1116 } 1117 1118 if (which & WSDISPLAY_CURSOR_DOCUR) { 1119 if ((curctl & IGS_EXT_SPRITE_VISIBLE) == 0 1120 && dc->dc_curenb) 1121 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1122 curctl | IGS_EXT_SPRITE_VISIBLE); 1123 else if ((curctl & IGS_EXT_SPRITE_VISIBLE) != 0 1124 && !dc->dc_curenb) 1125 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1126 curctl & ~IGS_EXT_SPRITE_VISIBLE); 1127 } 1128 } 1129 1130 1131 /* 1132 * Accelerated text mode cursor that uses hardware sprite. 1133 */ 1134 static void 1135 igsfb_accel_cursor(void *cookie, int on, int row, int col) 1136 { 1137 struct rasops_info *ri = (struct rasops_info *)cookie; 1138 struct vcons_screen *scr = ri->ri_hw; 1139 struct igsfb_devconfig *dc = scr->scr_cookie; 1140 struct igs_hwcursor *cc = &dc->dc_cursor; 1141 u_int which; 1142 1143 ri->ri_crow = row; 1144 ri->ri_ccol = col; 1145 1146 which = 0; 1147 if (on) { 1148 ri->ri_flg |= RI_CURSOR; 1149 1150 /* only bother to move the cursor if it's visible */ 1151 cc->cc_pos.x = ri->ri_xorigin 1152 + ri->ri_ccol * ri->ri_font->fontwidth; 1153 cc->cc_pos.y = ri->ri_yorigin 1154 + ri->ri_crow * ri->ri_font->fontheight; 1155 which |= WSDISPLAY_CURSOR_DOPOS; 1156 } else 1157 ri->ri_flg &= ~RI_CURSOR; 1158 1159 if (dc->dc_curenb != on) { 1160 dc->dc_curenb = on; 1161 which |= WSDISPLAY_CURSOR_DOCUR; 1162 } 1163 1164 /* propagate changes to the device */ 1165 igsfb_update_cursor(dc, which); 1166 } 1167 1168 1169 1170 /* 1171 * Accelerated raster ops that use graphic coprocessor. 1172 */ 1173 1174 static int 1175 igsfb_accel_wait(struct igsfb_devconfig *dc) 1176 { 1177 bus_space_tag_t t = dc->dc_iot; 1178 bus_space_handle_t h = dc->dc_coph; 1179 int timo = 100000; 1180 uint8_t reg; 1181 1182 bus_space_write_1(t, h, IGS_COP_MAP_FMT_REG, (dc->dc_depth >> 3) - 1); 1183 while (timo--) { 1184 reg = bus_space_read_1(t, h, IGS_COP_CTL_REG); 1185 if ((reg & IGS_COP_CTL_BUSY) == 0) 1186 return 0; 1187 } 1188 1189 return 1; 1190 } 1191 1192 1193 static void 1194 igsfb_accel_copy(struct igsfb_devconfig *dc, uint32_t src, uint32_t dst, 1195 uint16_t width, uint16_t height) 1196 { 1197 bus_space_tag_t t = dc->dc_iot; 1198 bus_space_handle_t h = dc->dc_coph; 1199 uint32_t toend; 1200 uint8_t drawcmd; 1201 1202 drawcmd = IGS_COP_DRAW_ALL; 1203 if (dst > src) { 1204 toend = dc->dc_vd.active->scr_ri.ri_width * (height - 1) + (width - 1); 1205 src += toend; 1206 dst += toend; 1207 drawcmd |= IGS_COP_OCTANT_X_NEG | IGS_COP_OCTANT_Y_NEG; 1208 } 1209 1210 igsfb_accel_wait(dc); 1211 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0); 1212 1213 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S); 1214 1215 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1); 1216 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1); 1217 1218 bus_space_write_4(t, h, IGS_COP_SRC_START_REG, src); 1219 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst); 1220 1221 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, drawcmd); 1222 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG); 1223 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0); 1224 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, 1225 IGS_COP_OP_PXBLT | IGS_COP_OP_FG_FROM_SRC); 1226 } 1227 1228 1229 static void 1230 igsfb_accel_fill(struct igsfb_devconfig *dc, uint32_t color, uint32_t dst, 1231 uint16_t width, uint16_t height) 1232 { 1233 bus_space_tag_t t = dc->dc_iot; 1234 bus_space_handle_t h = dc->dc_coph; 1235 1236 igsfb_accel_wait(dc); 1237 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0); 1238 1239 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S); 1240 1241 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1); 1242 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1); 1243 1244 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst); 1245 bus_space_write_4(t, h, IGS_COP_FG_REG, color); 1246 1247 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, IGS_COP_DRAW_ALL); 1248 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG); 1249 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0); 1250 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, IGS_COP_OP_PXBLT); 1251 } 1252 1253 1254 static void 1255 igsfb_accel_copyrows(void *cookie, int src, int dst, int num) 1256 { 1257 struct rasops_info *ri = (struct rasops_info *)cookie; 1258 struct vcons_screen *scr = ri->ri_hw; 1259 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1260 uint32_t srp, dsp; 1261 uint16_t width, height; 1262 1263 width = ri->ri_emuwidth; 1264 height = num * ri->ri_font->fontheight; 1265 1266 srp = ri->ri_xorigin 1267 + ri->ri_width * (ri->ri_yorigin 1268 + src * ri->ri_font->fontheight); 1269 dsp = ri->ri_xorigin 1270 + ri->ri_width * (ri->ri_yorigin 1271 + dst * ri->ri_font->fontheight); 1272 1273 igsfb_accel_copy(dc, srp, dsp, width, height); 1274 } 1275 1276 1277 static void 1278 igsfb_accel_copycols(void *cookie, int row, int src, int dst, int num) 1279 { 1280 struct rasops_info *ri = (struct rasops_info *)cookie; 1281 struct vcons_screen *scr = ri->ri_hw; 1282 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1283 uint32_t rowp, srp, dsp; 1284 uint16_t width, height; 1285 1286 width = num * ri->ri_font->fontwidth; 1287 height = ri->ri_font->fontheight; 1288 1289 rowp = ri->ri_xorigin 1290 + ri->ri_width * (ri->ri_yorigin 1291 + row * ri->ri_font->fontheight); 1292 1293 srp = rowp + src * ri->ri_font->fontwidth; 1294 dsp = rowp + dst * ri->ri_font->fontwidth; 1295 1296 igsfb_accel_copy(dc, srp, dsp, width, height); 1297 } 1298 1299 1300 static void 1301 igsfb_accel_eraserows(void *cookie, int row, int num, long attr) 1302 { 1303 struct rasops_info *ri = (struct rasops_info *)cookie; 1304 struct vcons_screen *scr = ri->ri_hw; 1305 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1306 uint32_t color; 1307 uint32_t dsp; 1308 uint16_t width, height; 1309 1310 if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) { 1311 width = ri->ri_width; 1312 height = ri->ri_height; 1313 dsp = 0; 1314 } else { 1315 width = ri->ri_emuwidth; 1316 height = num * ri->ri_font->fontheight; 1317 1318 dsp = ri->ri_xorigin 1319 + ri->ri_width * (ri->ri_yorigin 1320 + row * ri->ri_font->fontheight); 1321 } 1322 1323 /* XXX: we "know" the encoding that rasops' allocattr uses */ 1324 color = (attr >> 16) & 0xff; 1325 1326 igsfb_accel_fill(dc, color, dsp, width, height); 1327 } 1328 1329 1330 static void 1331 igsfb_accel_erasecols(void *cookie, int row, int col, int num, long attr) 1332 { 1333 struct rasops_info *ri = (struct rasops_info *)cookie; 1334 struct vcons_screen *scr = ri->ri_hw; 1335 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1336 uint32_t color; 1337 uint32_t rowp, dsp; 1338 uint16_t width, height; 1339 1340 width = num * ri->ri_font->fontwidth; 1341 height = ri->ri_font->fontheight; 1342 1343 rowp = ri->ri_xorigin 1344 + ri->ri_width * (ri->ri_yorigin 1345 + row * ri->ri_font->fontheight); 1346 1347 dsp = rowp + col * ri->ri_font->fontwidth; 1348 1349 /* XXX: we "know" the encoding that rasops' allocattr uses */ 1350 color = (attr >> 16) & 0xff; 1351 1352 igsfb_accel_fill(dc, color, dsp, width, height); 1353 } 1354 1355 1356 /* 1357 * Not really implemented here, but we need to hook into the one 1358 * supplied by rasops so that we can synchronize with the COP. 1359 */ 1360 static void 1361 igsfb_accel_putchar(void *cookie, int row, int col, u_int uc, long attr) 1362 { 1363 struct rasops_info *ri = (struct rasops_info *)cookie; 1364 struct vcons_screen *scr = ri->ri_hw; 1365 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)scr->scr_cookie; 1366 1367 igsfb_accel_wait(dc); 1368 (*dc->dc_ri_putchar)(cookie, row, col, uc, attr); 1369 } 1370