igsfb.c revision 1.24
1 /* $NetBSD: igsfb.c,v 1.24 2005/09/30 23:16:26 uwe 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 1.24 2005/09/30 23:16:26 uwe 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 #include <sys/buf.h> 43 #include <uvm/uvm_extern.h> 44 45 #include <machine/bus.h> 46 47 #include <dev/wscons/wsdisplayvar.h> 48 #include <dev/wscons/wsconsio.h> 49 #include <dev/wsfont/wsfont.h> 50 #include <dev/rasops/rasops.h> 51 52 #include <dev/ic/igsfbreg.h> 53 #include <dev/ic/igsfbvar.h> 54 55 56 struct igsfb_devconfig igsfb_console_dc; 57 58 /* 59 * wsscreen 60 */ 61 62 /* filled from rasops_info in igsfb_common_init */ 63 static struct wsscreen_descr igsfb_stdscreen = { 64 "std", /* name */ 65 0, 0, /* ncols, nrows */ 66 NULL, /* textops */ 67 0, 0, /* fontwidth, fontheight */ 68 0 /* capabilities */ 69 }; 70 71 static const struct wsscreen_descr *_igsfb_scrlist[] = { 72 &igsfb_stdscreen, 73 }; 74 75 static const struct wsscreen_list igsfb_screenlist = { 76 sizeof(_igsfb_scrlist) / sizeof(struct wsscreen_descr *), 77 _igsfb_scrlist 78 }; 79 80 81 /* 82 * wsdisplay_accessops 83 */ 84 85 static int igsfb_ioctl(void *, u_long, caddr_t, int, struct proc *); 86 static paddr_t igsfb_mmap(void *, off_t, int); 87 88 static int igsfb_alloc_screen(void *, const struct wsscreen_descr *, 89 void **, int *, int *, long *); 90 static void igsfb_free_screen(void *, void *); 91 static int igsfb_show_screen(void *, void *, int, 92 void (*) (void *, int, int), void *); 93 94 static const struct wsdisplay_accessops igsfb_accessops = { 95 igsfb_ioctl, 96 igsfb_mmap, 97 igsfb_alloc_screen, 98 igsfb_free_screen, 99 igsfb_show_screen, 100 NULL, /* load_font */ 101 NULL, /* pollc */ 102 NULL, /* getwschar */ 103 NULL /* putwschar */ 104 }; 105 106 107 /* 108 * acceleration 109 */ 110 static int igsfb_make_text_cursor(struct igsfb_devconfig *); 111 static void igsfb_accel_cursor(void *, int, int, int); 112 113 static int igsfb_accel_wait(struct igsfb_devconfig *); 114 static void igsfb_accel_fill(struct igsfb_devconfig *, 115 uint32_t, uint32_t, uint16_t, uint16_t); 116 static void igsfb_accel_copy(struct igsfb_devconfig *, 117 uint32_t, uint32_t, uint16_t, uint16_t); 118 119 static void igsfb_accel_copycols(void *, int, int, int, int); 120 static void igsfb_accel_erasecols(void *, int, int, int, long); 121 static void igsfb_accel_copyrows(void *, int, int, int); 122 static void igsfb_accel_eraserows(void *, int, int, long); 123 static void igsfb_accel_putchar(void *, int, int, u_int, long); 124 125 126 /* 127 * internal functions 128 */ 129 static int igsfb_init_video(struct igsfb_devconfig *); 130 static void igsfb_init_cmap(struct igsfb_devconfig *); 131 static uint16_t igsfb_spread_bits_8(uint8_t); 132 static void igsfb_init_bit_table(struct igsfb_devconfig *); 133 static void igsfb_init_wsdisplay(struct igsfb_devconfig *); 134 135 static void igsfb_blank_screen(struct igsfb_devconfig *, int); 136 static int igsfb_get_cmap(struct igsfb_devconfig *, 137 struct wsdisplay_cmap *); 138 static int igsfb_set_cmap(struct igsfb_devconfig *, 139 const struct wsdisplay_cmap *); 140 static void igsfb_update_cmap(struct igsfb_devconfig *, u_int, u_int); 141 static void igsfb_set_curpos(struct igsfb_devconfig *, 142 const struct wsdisplay_curpos *); 143 static void igsfb_update_curpos(struct igsfb_devconfig *); 144 static int igsfb_get_cursor(struct igsfb_devconfig *, 145 struct wsdisplay_cursor *); 146 static int igsfb_set_cursor(struct igsfb_devconfig *, 147 const struct wsdisplay_cursor *); 148 static void igsfb_update_cursor(struct igsfb_devconfig *, u_int); 149 static void igsfb_convert_cursor_data(struct igsfb_devconfig *, 150 u_int, u_int); 151 152 153 int 154 igsfb_cnattach_subr(dc) 155 struct igsfb_devconfig *dc; 156 { 157 struct rasops_info *ri; 158 long defattr; 159 160 KASSERT(dc == &igsfb_console_dc); 161 162 igsfb_init_video(dc); 163 igsfb_init_wsdisplay(dc); 164 165 dc->dc_nscreens = 1; 166 167 ri = &dc->dc_ri; 168 (*ri->ri_ops.allocattr)(ri, 169 WSCOL_BLACK, /* fg */ 170 WSCOL_BLACK, /* bg */ 171 0, /* wsattrs */ 172 &defattr); 173 174 wsdisplay_cnattach(&igsfb_stdscreen, 175 ri, /* emulcookie */ 176 0, 0, /* cursor position */ 177 defattr); 178 return (0); 179 } 180 181 182 /* 183 * Finish off the attach. Bus specific attach method should have 184 * enabled io and memory accesses and mapped io (and cop?) registers. 185 */ 186 void 187 igsfb_attach_subr(sc, isconsole) 188 struct igsfb_softc *sc; 189 int isconsole; 190 { 191 struct igsfb_devconfig *dc = sc->sc_dc; 192 struct wsemuldisplaydev_attach_args waa; 193 194 KASSERT(dc != NULL); 195 196 if (!isconsole) { 197 igsfb_init_video(dc); 198 igsfb_init_wsdisplay(dc); 199 } 200 201 printf("%s: %dMB, %s%dx%d, %dbpp\n", 202 sc->sc_dev.dv_xname, 203 (uint32_t)(dc->dc_vmemsz >> 20), 204 (dc->dc_hwflags & IGSFB_HW_BSWAP) 205 ? (dc->dc_hwflags & IGSFB_HW_BE_SELECT) 206 ? "hardware bswap, " : "software bswap, " 207 : "", 208 dc->dc_width, dc->dc_height, dc->dc_depth); 209 210 /* attach wsdisplay */ 211 waa.console = isconsole; 212 waa.scrdata = &igsfb_screenlist; 213 waa.accessops = &igsfb_accessops; 214 waa.accesscookie = dc; 215 216 config_found(&sc->sc_dev, &waa, wsemuldisplaydevprint); 217 } 218 219 220 static int 221 igsfb_init_video(dc) 222 struct igsfb_devconfig *dc; 223 { 224 bus_space_handle_t tmph; 225 uint8_t *p; 226 int need_bswap; 227 bus_addr_t fbaddr, craddr; 228 off_t croffset; 229 uint8_t busctl, curctl; 230 231 /* Total amount of video memory. */ 232 busctl = igs_ext_read(dc->dc_iot, dc->dc_ioh, IGS_EXT_BUS_CTL); 233 if (busctl & 0x2) 234 dc->dc_vmemsz = 4; 235 else if (busctl & 0x1) 236 dc->dc_vmemsz = 2; 237 else 238 dc->dc_vmemsz = 1; 239 dc->dc_vmemsz <<= 20; /* megabytes -> bytes */ 240 241 /* 242 * Check for endianness mismatch by writing a word at the end of 243 * the video memory (off-screen) and reading it back byte-by-byte. 244 */ 245 if (bus_space_map(dc->dc_memt, 246 dc->dc_memaddr + dc->dc_vmemsz - sizeof(uint32_t), 247 sizeof(uint32_t), 248 dc->dc_memflags | BUS_SPACE_MAP_LINEAR, 249 &tmph) != 0) 250 { 251 printf("unable to map video memory for endianness test\n"); 252 return (1); 253 } 254 255 p = bus_space_vaddr(dc->dc_memt, tmph); 256 #if BYTE_ORDER == BIG_ENDIAN 257 *((uint32_t *)p) = 0x12345678; 258 #else 259 *((uint32_t *)p) = 0x78563412; 260 #endif 261 if (p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78) 262 need_bswap = 0; 263 else 264 need_bswap = 1; 265 266 bus_space_unmap(dc->dc_memt, tmph, sizeof(uint32_t)); 267 268 /* 269 * On CyberPro we can use magic bswap bit in linear address. 270 */ 271 fbaddr = dc->dc_memaddr; 272 if (need_bswap) { 273 dc->dc_hwflags |= IGSFB_HW_BSWAP; 274 if (dc->dc_id >= 0x2000) { 275 dc->dc_hwflags |= IGSFB_HW_BE_SELECT; 276 fbaddr |= IGS_MEM_BE_SELECT; 277 } 278 } 279 280 /* 281 * XXX: TODO: make it possible to select the desired video mode. 282 * For now - hardcode to 1024x768/8bpp. This is what Krups OFW uses. 283 */ 284 igsfb_hw_setup(dc); 285 delay(10000); /* XXX: uwe */ 286 287 dc->dc_width = 1024; 288 dc->dc_height = 768; 289 dc->dc_depth = 8; 290 291 /* 292 * Don't map in all N megs, just the amount we need for the wsscreen. 293 */ 294 dc->dc_fbsz = dc->dc_width * dc->dc_height; /* XXX: 8bpp specific */ 295 if (bus_space_map(dc->dc_memt, fbaddr, dc->dc_fbsz, 296 dc->dc_memflags | BUS_SPACE_MAP_LINEAR, 297 &dc->dc_fbh) != 0) 298 { 299 bus_space_unmap(dc->dc_iot, dc->dc_ioh, IGS_REG_SIZE); 300 printf("unable to map framebuffer\n"); 301 return (1); 302 } 303 304 igsfb_init_cmap(dc); 305 306 /* 307 * 1KB for cursor sprite data at the very end of the video memory. 308 */ 309 croffset = dc->dc_vmemsz - IGS_CURSOR_DATA_SIZE; 310 craddr = fbaddr + croffset; 311 if (bus_space_map(dc->dc_memt, craddr, IGS_CURSOR_DATA_SIZE, 312 dc->dc_memflags | BUS_SPACE_MAP_LINEAR, 313 &dc->dc_crh) != 0) 314 { 315 bus_space_unmap(dc->dc_iot, dc->dc_ioh, IGS_REG_SIZE); 316 bus_space_unmap(dc->dc_memt, dc->dc_fbh, dc->dc_fbsz); 317 printf("unable to map cursor sprite region\n"); 318 return (1); 319 } 320 321 /* 322 * Tell the device where cursor sprite data are located in the 323 * linear space (it takes data offset in 1KB units). 324 */ 325 croffset >>= 10; /* bytes -> kilobytes */ 326 igs_ext_write(dc->dc_iot, dc->dc_ioh, 327 IGS_EXT_SPRITE_DATA_LO, croffset & 0xff); 328 igs_ext_write(dc->dc_iot, dc->dc_ioh, 329 IGS_EXT_SPRITE_DATA_HI, (croffset >> 8) & 0xf); 330 331 /* init the bit expansion table for cursor sprite data conversion */ 332 igsfb_init_bit_table(dc); 333 334 /* XXX: fill dc_cursor and use igsfb_update_cursor() instead? */ 335 memset(&dc->dc_cursor, 0, sizeof(struct igs_hwcursor)); 336 memset(bus_space_vaddr(dc->dc_memt, dc->dc_crh), 337 /* transparent */ 0xaa, IGS_CURSOR_DATA_SIZE); 338 339 curctl = igs_ext_read(dc->dc_iot, dc->dc_ioh, IGS_EXT_SPRITE_CTL); 340 curctl |= IGS_EXT_SPRITE_64x64; 341 curctl &= ~IGS_EXT_SPRITE_VISIBLE; 342 igs_ext_write(dc->dc_iot, dc->dc_ioh, IGS_EXT_SPRITE_CTL, curctl); 343 dc->dc_curenb = 0; 344 345 /* 346 * Map and init graphic coprocessor for accelerated rasops. 347 */ 348 if (dc->dc_id >= 0x2000) { /* XXX */ 349 if (bus_space_map(dc->dc_iot, 350 dc->dc_iobase + IGS_COP_BASE_B, IGS_COP_SIZE, 351 dc->dc_ioflags, 352 &dc->dc_coph) != 0) 353 { 354 printf("unable to map COP registers\n"); 355 return (1); 356 } 357 358 /* XXX: hardcoded 8bpp */ 359 bus_space_write_2(dc->dc_iot, dc->dc_coph, 360 IGS_COP_SRC_MAP_WIDTH_REG, 361 dc->dc_width - 1); 362 bus_space_write_2(dc->dc_iot, dc->dc_coph, 363 IGS_COP_DST_MAP_WIDTH_REG, 364 dc->dc_width - 1); 365 366 bus_space_write_1(dc->dc_iot, dc->dc_coph, 367 IGS_COP_MAP_FMT_REG, 368 IGS_COP_MAP_8BPP); 369 } 370 371 /* make sure screen is not blanked */ 372 dc->dc_blanked = 0; 373 igsfb_blank_screen(dc, dc->dc_blanked); 374 375 return (0); 376 } 377 378 379 static void 380 igsfb_init_cmap(dc) 381 struct igsfb_devconfig *dc; 382 { 383 bus_space_tag_t iot = dc->dc_iot; 384 bus_space_handle_t ioh = dc->dc_ioh; 385 const uint8_t *p; 386 int i; 387 388 p = rasops_cmap; /* "ANSI" color map */ 389 390 /* init software copy */ 391 for (i = 0; i < IGS_CMAP_SIZE; ++i, p += 3) { 392 dc->dc_cmap.r[i] = p[0]; 393 dc->dc_cmap.g[i] = p[1]; 394 dc->dc_cmap.b[i] = p[2]; 395 } 396 397 /* propagate to the device */ 398 igsfb_update_cmap(dc, 0, IGS_CMAP_SIZE); 399 400 /* set overscan color (XXX: use defattr's background?) */ 401 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_RED, 0); 402 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_GREEN, 0); 403 igs_ext_write(iot, ioh, IGS_EXT_OVERSCAN_BLUE, 0); 404 } 405 406 407 static void 408 igsfb_init_wsdisplay(dc) 409 struct igsfb_devconfig *dc; 410 { 411 struct rasops_info *ri; 412 int wsfcookie; 413 414 ri = &dc->dc_ri; 415 ri->ri_hw = dc; 416 417 ri->ri_flg = RI_CENTER | RI_CLEAR; 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; 424 425 ri->ri_stride = dc->dc_width; /* XXX: 8bpp specific */ 426 ri->ri_bits = (u_char *)dc->dc_fbh; 427 428 /* 429 * Initialize wsfont related stuff. 430 */ 431 wsfont_init(); 432 433 /* prefer gallant that is identical to the one the prom uses */ 434 wsfcookie = wsfont_find("Gallant", 12, 22, 0, 435 WSDISPLAY_FONTORDER_L2R, 436 WSDISPLAY_FONTORDER_L2R); 437 if (wsfcookie <= 0) { 438 #ifdef DIAGNOSTIC 439 printf("unable to find font Gallant 12x22\n"); 440 #endif 441 wsfcookie = wsfont_find(NULL, 0, 0, 0, /* any font at all? */ 442 WSDISPLAY_FONTORDER_L2R, 443 WSDISPLAY_FONTORDER_L2R); 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, 34, 80); 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); 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(dc) 500 struct igsfb_devconfig *dc; 501 { 502 struct wsdisplay_font *f = dc->dc_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 if (IGSFB_HW_SOFT_BSWAP(dc)) 519 s = bswap16(s); 520 w = 0; 521 } 522 cc_scan[i] = s; 523 } 524 525 dc->dc_cursor.cc_size.x = f->fontwidth; 526 dc->dc_cursor.cc_size.y = f->fontheight; 527 528 dc->dc_cursor.cc_hot.x = 0; 529 dc->dc_cursor.cc_hot.y = 0; 530 531 /* init sprite array to be all transparent */ 532 memset(dc->dc_cursor.cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE); 533 534 for (i = 0; i < f->fontheight; ++i) 535 memcpy(&dc->dc_cursor.cc_sprite[i * 8], 536 cc_scan, f->stride * sizeof(uint16_t)); 537 538 return (0); 539 } 540 541 542 /* 543 * Spread a byte (abcd.efgh) into two (0a0b.0c0d 0e0f.0g0h). 544 * Helper function for igsfb_init_bit_table(). 545 */ 546 static uint16_t 547 igsfb_spread_bits_8(b) 548 uint8_t b; 549 { 550 uint16_t s = b; 551 552 s = ((s & 0x00f0) << 4) | (s & 0x000f); 553 s = ((s & 0x0c0c) << 2) | (s & 0x0303); 554 s = ((s & 0x2222) << 1) | (s & 0x1111); 555 return (s); 556 } 557 558 559 /* 560 * Cursor sprite data are in 2bpp. Incoming image/mask are in 1bpp. 561 * Prebuild the table to expand 1bpp->2bpp, with bswapping if necessary. 562 */ 563 static void 564 igsfb_init_bit_table(dc) 565 struct igsfb_devconfig *dc; 566 { 567 uint16_t *expand = dc->dc_bexpand; 568 int need_bswap = IGSFB_HW_SOFT_BSWAP(dc); 569 uint16_t s; 570 u_int i; 571 572 for (i = 0; i < 256; ++i) { 573 s = igsfb_spread_bits_8(i); 574 expand[i] = need_bswap ? bswap16(s) : s; 575 } 576 } 577 578 579 /* 580 * wsdisplay_accessops: mmap() 581 * XXX: allow mmapping i/o mapped i/o regs if INSECURE??? 582 */ 583 static paddr_t 584 igsfb_mmap(v, offset, prot) 585 void *v; 586 off_t offset; 587 int prot; 588 { 589 struct igsfb_devconfig *dc = v; 590 591 if (offset >= dc->dc_memsz || offset < 0) 592 return (-1); 593 594 return (bus_space_mmap(dc->dc_memt, dc->dc_memaddr, offset, prot, 595 dc->dc_memflags | BUS_SPACE_MAP_LINEAR)); 596 } 597 598 599 /* 600 * wsdisplay_accessops: ioctl() 601 */ 602 static int 603 igsfb_ioctl(v, cmd, data, flag, p) 604 void *v; 605 u_long cmd; 606 caddr_t data; 607 int flag; 608 struct proc *p; 609 { 610 struct igsfb_devconfig *dc = v; 611 struct rasops_info *ri; 612 int cursor_busy; 613 int turnoff; 614 615 /* don't permit cursor ioctls if we use sprite for text cursor */ 616 cursor_busy = !dc->dc_mapped 617 && (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR); 618 619 switch (cmd) { 620 621 case WSDISPLAYIO_GTYPE: 622 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 623 return (0); 624 625 case WSDISPLAYIO_GINFO: 626 ri = &dc->dc_ri; 627 #define wsd_fbip ((struct wsdisplay_fbinfo *)data) 628 wsd_fbip->height = ri->ri_height; 629 wsd_fbip->width = ri->ri_width; 630 wsd_fbip->depth = ri->ri_depth; 631 wsd_fbip->cmsize = IGS_CMAP_SIZE; 632 #undef wsd_fbip 633 return (0); 634 635 case WSDISPLAYIO_LINEBYTES: 636 ri = &dc->dc_ri; 637 *(int *)data = ri->ri_stride; 638 return (0); 639 640 case WSDISPLAYIO_SMODE: 641 #define d (*(int *)data) 642 if (d != WSDISPLAYIO_MODE_EMUL) 643 dc->dc_mapped = 1; 644 /* turn off hardware cursor */ 645 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) { 646 dc->dc_curenb = 0; 647 igsfb_update_cursor(dc, 648 WSDISPLAY_CURSOR_DOCUR); 649 } 650 651 else { 652 dc->dc_mapped = 0; 653 /* reinit sprite for text cursor */ 654 if (dc->dc_hwflags & IGSFB_HW_TEXT_CURSOR) { 655 igsfb_make_text_cursor(dc); 656 dc->dc_curenb = 0; 657 igsfb_update_cursor(dc, 658 WSDISPLAY_CURSOR_DOSHAPE 659 | WSDISPLAY_CURSOR_DOCUR); 660 } 661 } 662 return (0); 663 664 case WSDISPLAYIO_GVIDEO: 665 *(u_int *)data = dc->dc_blanked ? 666 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; 667 return (0); 668 669 case WSDISPLAYIO_SVIDEO: 670 turnoff = (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF); 671 if (dc->dc_blanked != turnoff) { 672 dc->dc_blanked = turnoff; 673 igsfb_blank_screen(dc, dc->dc_blanked); 674 } 675 return (0); 676 677 case WSDISPLAYIO_GETCMAP: 678 return (igsfb_get_cmap(dc, (struct wsdisplay_cmap *)data)); 679 680 case WSDISPLAYIO_PUTCMAP: 681 return (igsfb_set_cmap(dc, (struct wsdisplay_cmap *)data)); 682 683 case WSDISPLAYIO_GCURMAX: 684 ((struct wsdisplay_curpos *)data)->x = IGS_CURSOR_MAX_SIZE; 685 ((struct wsdisplay_curpos *)data)->y = IGS_CURSOR_MAX_SIZE; 686 return (0); 687 688 case WSDISPLAYIO_GCURPOS: 689 if (cursor_busy) 690 return (EBUSY); 691 *(struct wsdisplay_curpos *)data = dc->dc_cursor.cc_pos; 692 return (0); 693 694 case WSDISPLAYIO_SCURPOS: 695 if (cursor_busy) 696 return (EBUSY); 697 igsfb_set_curpos(dc, (struct wsdisplay_curpos *)data); 698 return (0); 699 700 case WSDISPLAYIO_GCURSOR: 701 if (cursor_busy) 702 return (EBUSY); 703 return (igsfb_get_cursor(dc, (struct wsdisplay_cursor *)data)); 704 705 case WSDISPLAYIO_SCURSOR: 706 if (cursor_busy) 707 return (EBUSY); 708 return (igsfb_set_cursor(dc, (struct wsdisplay_cursor *)data)); 709 } 710 711 return (EPASSTHROUGH); 712 } 713 714 715 /* 716 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SVIDEO) 717 */ 718 static void 719 igsfb_blank_screen(dc, blank) 720 struct igsfb_devconfig *dc; 721 int blank; 722 { 723 724 igs_ext_write(dc->dc_iot, dc->dc_ioh, 725 IGS_EXT_SYNC_CTL, 726 blank ? IGS_EXT_SYNC_H0 | IGS_EXT_SYNC_V0 727 : 0); 728 } 729 730 731 /* 732 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GETCMAP) 733 * Served from the software cmap copy. 734 */ 735 static int 736 igsfb_get_cmap(dc, p) 737 struct igsfb_devconfig *dc; 738 struct wsdisplay_cmap *p; 739 { 740 u_int index, count; 741 int err; 742 743 index = p->index; 744 count = p->count; 745 746 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index) 747 return (EINVAL); 748 749 err = copyout(&dc->dc_cmap.r[index], p->red, count); 750 if (err) 751 return (err); 752 err = copyout(&dc->dc_cmap.g[index], p->green, count); 753 if (err) 754 return (err); 755 err = copyout(&dc->dc_cmap.b[index], p->blue, count); 756 if (err) 757 return (err); 758 759 return (0); 760 } 761 762 763 /* 764 * wsdisplay_accessops: ioctl(WSDISPLAYIO_PUTCMAP) 765 * Set the software cmap copy and propagate changed range to the device. 766 */ 767 static int 768 igsfb_set_cmap(dc, p) 769 struct igsfb_devconfig *dc; 770 const struct wsdisplay_cmap *p; 771 { 772 u_int index, count; 773 uint8_t r[IGS_CMAP_SIZE]; 774 uint8_t g[IGS_CMAP_SIZE]; 775 uint8_t b[IGS_CMAP_SIZE]; 776 int error; 777 778 index = p->index; 779 count = p->count; 780 if (index >= IGS_CMAP_SIZE || count > IGS_CMAP_SIZE - index) 781 return (EINVAL); 782 error = copyin(p->red, &r[index], count); 783 if (error) 784 return error; 785 error = copyin(p->green, &g[index], count); 786 if (error) 787 return error; 788 error = copyin(p->blue, &b[index], count); 789 if (error) 790 return error; 791 792 memcpy(&dc->dc_cmap.r[index], &r[index], count); 793 memcpy(&dc->dc_cmap.g[index], &g[index], count); 794 memcpy(&dc->dc_cmap.b[index], &b[index], count); 795 796 /* propagate changes to the device */ 797 igsfb_update_cmap(dc, index, count); 798 return (0); 799 } 800 801 802 /* 803 * Propagate specified part of the software cmap copy to the device. 804 */ 805 static void 806 igsfb_update_cmap(dc, index, count) 807 struct igsfb_devconfig *dc; 808 u_int index, count; 809 { 810 bus_space_tag_t t; 811 bus_space_handle_t h; 812 u_int last, i; 813 814 if (index >= IGS_CMAP_SIZE) 815 return; 816 817 last = index + count; 818 if (last > IGS_CMAP_SIZE) 819 last = IGS_CMAP_SIZE; 820 821 t = dc->dc_iot; 822 h = dc->dc_ioh; 823 824 /* start palette writing, index is autoincremented by hardware */ 825 bus_space_write_1(t, h, IGS_DAC_PEL_WRITE_IDX, index); 826 827 for (i = index; i < last; ++i) { 828 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.r[i]); 829 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.g[i]); 830 bus_space_write_1(t, h, IGS_DAC_PEL_DATA, dc->dc_cmap.b[i]); 831 } 832 } 833 834 835 /* 836 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURPOS) 837 */ 838 static void 839 igsfb_set_curpos(dc, curpos) 840 struct igsfb_devconfig *dc; 841 const struct wsdisplay_curpos *curpos; 842 { 843 struct rasops_info *ri = &dc->dc_ri; 844 u_int x = curpos->x, y = curpos->y; 845 846 if (x >= ri->ri_width) 847 x = ri->ri_width - 1; 848 if (y >= ri->ri_height) 849 y = ri->ri_height - 1; 850 851 dc->dc_cursor.cc_pos.x = x; 852 dc->dc_cursor.cc_pos.y = y; 853 854 /* propagate changes to the device */ 855 igsfb_update_curpos(dc); 856 } 857 858 859 static void 860 igsfb_update_curpos(dc) 861 struct igsfb_devconfig *dc; 862 { 863 bus_space_tag_t t; 864 bus_space_handle_t h; 865 int x, xoff, y, yoff; 866 867 xoff = 0; 868 x = dc->dc_cursor.cc_pos.x - dc->dc_cursor.cc_hot.x; 869 if (x < 0) { 870 xoff = -x; 871 x = 0; 872 } 873 874 yoff = 0; 875 y = dc->dc_cursor.cc_pos.y - dc->dc_cursor.cc_hot.y; 876 if (y < 0) { 877 yoff = -y; 878 y = 0; 879 } 880 881 t = dc->dc_iot; 882 h = dc->dc_ioh; 883 884 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_LO, x & 0xff); 885 igs_ext_write(t, h, IGS_EXT_SPRITE_HSTART_HI, (x >> 8) & 0x07); 886 igs_ext_write(t, h, IGS_EXT_SPRITE_HPRESET, xoff & 0x3f); 887 888 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_LO, y & 0xff); 889 igs_ext_write(t, h, IGS_EXT_SPRITE_VSTART_HI, (y >> 8) & 0x07); 890 igs_ext_write(t, h, IGS_EXT_SPRITE_VPRESET, yoff & 0x3f); 891 } 892 893 894 /* 895 * wsdisplay_accessops: ioctl(WSDISPLAYIO_GCURSOR) 896 */ 897 static int 898 igsfb_get_cursor(dc, p) 899 struct igsfb_devconfig *dc; 900 struct wsdisplay_cursor *p; 901 { 902 903 /* XXX: TODO */ 904 return (0); 905 } 906 907 908 /* 909 * wsdisplay_accessops: ioctl(WSDISPLAYIO_SCURSOR) 910 */ 911 static int 912 igsfb_set_cursor(dc, p) 913 struct igsfb_devconfig *dc; 914 const struct wsdisplay_cursor *p; 915 { 916 struct igs_hwcursor *cc; 917 struct wsdisplay_curpos pos, hot; 918 u_int v, index, count, icount, iwidth; 919 uint8_t r[2], g[2], b[2], image[512], mask[512]; 920 int error; 921 922 cc = &dc->dc_cursor; 923 v = p->which; 924 index = count = icount = iwidth = 0; /* XXX: gcc */ 925 926 /* copy in the new cursor colormap */ 927 if (v & WSDISPLAY_CURSOR_DOCMAP) { 928 index = p->cmap.index; 929 count = p->cmap.count; 930 if (index >= 2 || (index + count) > 2) 931 return (EINVAL); 932 error = copyin(p->cmap.red, &r[index], count); 933 if (error) 934 return error; 935 error = copyin(p->cmap.green, &g[index], count); 936 if (error) 937 return error; 938 error = copyin(p->cmap.blue, &b[index], count); 939 if (error) 940 return error; 941 } 942 943 /* verify that the new cursor data are valid */ 944 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 945 if (p->size.x > IGS_CURSOR_MAX_SIZE 946 || p->size.y > IGS_CURSOR_MAX_SIZE) 947 return (EINVAL); 948 949 iwidth = (p->size.x + 7) >> 3; /* bytes per scan line */ 950 icount = iwidth * p->size.y; 951 error = copyin(p->image, image, icount); 952 if (error) 953 return error; 954 error = copyin(p->mask, mask, icount); 955 if (error) 956 return error; 957 } 958 959 /* enforce that the position is within screen bounds */ 960 if (v & WSDISPLAY_CURSOR_DOPOS) { 961 struct rasops_info *ri = &dc->dc_ri; 962 963 pos = p->pos; /* local copy we can write to */ 964 if (pos.x >= (ri->ri_width + 64)) 965 pos.x = ri->ri_width +63; 966 if (pos.y >= (ri->ri_height + 64)) 967 pos.y = ri->ri_height + 63; 968 } 969 970 /* enforce that the hot spot is within sprite bounds */ 971 if (v & WSDISPLAY_CURSOR_DOHOT) 972 hot = p->hot; /* local copy we can write to */ 973 974 if (v & (WSDISPLAY_CURSOR_DOHOT | WSDISPLAY_CURSOR_DOSHAPE)) { 975 const struct wsdisplay_curpos *nsize; 976 struct wsdisplay_curpos *nhot; 977 978 nsize = (v & WSDISPLAY_CURSOR_DOSHAPE) ? 979 &p->size : &cc->cc_size; 980 nhot = (v & WSDISPLAY_CURSOR_DOHOT) ? &hot : &cc->cc_hot; 981 982 if (nhot->x >= nsize->x) 983 nhot->x = nsize->x - 1; 984 if (nhot->y >= nsize->y) 985 nhot->y = nsize->y - 1; 986 } 987 988 /* copy data to the driver's cursor info */ 989 if (v & WSDISPLAY_CURSOR_DOCUR) 990 dc->dc_curenb = p->enable; 991 if (v & WSDISPLAY_CURSOR_DOPOS) 992 cc->cc_pos = pos; /* local copy, possibly corrected */ 993 if (v & WSDISPLAY_CURSOR_DOHOT) 994 cc->cc_hot = hot; /* local copy, possibly corrected */ 995 if (v & WSDISPLAY_CURSOR_DOCMAP) { 996 memcpy(&cc->cc_color[index], &r[index], count); 997 memcpy(&cc->cc_color[index + 2], &g[index], count); 998 memcpy(&cc->cc_color[index + 4], &b[index], count); 999 } 1000 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 1001 u_int trailing_bits; 1002 1003 memcpy(cc->cc_image, image, icount); 1004 memcpy(cc->cc_mask, mask, icount); 1005 cc->cc_size = p->size; 1006 1007 /* clear trailing bits in the "partial" mask bytes */ 1008 trailing_bits = p->size.x & 0x07; 1009 if (trailing_bits != 0) { 1010 const u_int cutmask = ~((~0) << trailing_bits); 1011 u_char *mp; 1012 u_int i; 1013 1014 mp = cc->cc_mask + iwidth - 1; 1015 for (i = 0; i < p->size.y; ++i) { 1016 *mp &= cutmask; 1017 mp += iwidth; 1018 } 1019 } 1020 igsfb_convert_cursor_data(dc, iwidth, p->size.y); 1021 } 1022 1023 /* propagate changes to the device */ 1024 igsfb_update_cursor(dc, v); 1025 1026 return (0); 1027 } 1028 1029 1030 /* 1031 * Convert incoming 1bpp cursor image/mask into native 2bpp format. 1032 */ 1033 static void 1034 igsfb_convert_cursor_data(dc, width, height) 1035 struct igsfb_devconfig *dc; 1036 u_int width, height; 1037 { 1038 struct igs_hwcursor *cc = &dc->dc_cursor; 1039 uint16_t *expand = dc->dc_bexpand; 1040 uint8_t *ip, *mp; 1041 uint16_t is, ms, *dp; 1042 u_int line, i; 1043 1044 /* init sprite to be all transparent */ 1045 memset(cc->cc_sprite, 0xaa, IGS_CURSOR_DATA_SIZE); 1046 1047 /* first scanline */ 1048 ip = cc->cc_image; 1049 mp = cc->cc_mask; 1050 dp = cc->cc_sprite; 1051 1052 for (line = 0; line < height; ++line) { 1053 for (i = 0; i < width; ++i) { 1054 is = expand[ip[i]]; /* image: 0 -> 00, 1 -> 01 */ 1055 ms = expand[mp[i]]; /* mask: 0 -> 00, 1 -> 11 */ 1056 ms |= (ms << 1); 1057 dp[i] = (0xaaaa & ~ms) | (is & ms); 1058 } 1059 1060 /* next scanline */ 1061 ip += width; 1062 mp += width; 1063 dp += 8; /* 64 pixels, 2bpp, 8 pixels per short = 8 shorts */ 1064 } 1065 } 1066 1067 1068 /* 1069 * Propagate cursor changes to the device. 1070 * "which" is composed of WSDISPLAY_CURSOR_DO* bits. 1071 */ 1072 static void 1073 igsfb_update_cursor(dc, which) 1074 struct igsfb_devconfig *dc; 1075 u_int which; 1076 { 1077 bus_space_tag_t iot = dc->dc_iot; 1078 bus_space_handle_t ioh = dc->dc_ioh; 1079 uint8_t curctl; 1080 1081 curctl = 0; /* XXX: gcc */ 1082 1083 /* 1084 * We will need to tweak sprite control register for cursor 1085 * visibility and cursor color map manipulation. 1086 */ 1087 if (which & (WSDISPLAY_CURSOR_DOCUR | WSDISPLAY_CURSOR_DOCMAP)) { 1088 curctl = igs_ext_read(iot, ioh, IGS_EXT_SPRITE_CTL); 1089 } 1090 1091 if (which & WSDISPLAY_CURSOR_DOSHAPE) { 1092 uint8_t *dst = bus_space_vaddr(dc->dc_memt, dc->dc_crh); 1093 1094 /* 1095 * memcpy between spaces of different endianness would 1096 * be ... special. We cannot be sure if memcpy gonna 1097 * push data in 4-byte chunks, we can't pre-bswap it, 1098 * so do it byte-by-byte to preserve byte ordering. 1099 */ 1100 if (IGSFB_HW_SOFT_BSWAP(dc)) { 1101 uint8_t *src = (uint8_t *)dc->dc_cursor.cc_sprite; 1102 int i; 1103 1104 for (i = 0; i < IGS_CURSOR_DATA_SIZE; ++i) 1105 *dst++ = *src++; 1106 } else { 1107 memcpy(dst, dc->dc_cursor.cc_sprite, 1108 IGS_CURSOR_DATA_SIZE); 1109 } 1110 } 1111 1112 if (which & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) { 1113 /* code shared with WSDISPLAYIO_SCURPOS */ 1114 igsfb_update_curpos(dc); 1115 } 1116 1117 if (which & WSDISPLAY_CURSOR_DOCMAP) { 1118 uint8_t *p; 1119 1120 /* tell DAC we want access to the cursor palette */ 1121 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1122 curctl | IGS_EXT_SPRITE_DAC_PEL); 1123 1124 p = dc->dc_cursor.cc_color; 1125 1126 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 0); 1127 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[0]); 1128 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[2]); 1129 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[4]); 1130 1131 bus_space_write_1(iot, ioh, IGS_DAC_PEL_WRITE_IDX, 1); 1132 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[1]); 1133 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[3]); 1134 bus_space_write_1(iot, ioh, IGS_DAC_PEL_DATA, p[5]); 1135 1136 /* restore access to the normal palette */ 1137 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, curctl); 1138 } 1139 1140 if (which & WSDISPLAY_CURSOR_DOCUR) { 1141 if ((curctl & IGS_EXT_SPRITE_VISIBLE) == 0 1142 && dc->dc_curenb) 1143 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1144 curctl | IGS_EXT_SPRITE_VISIBLE); 1145 else if ((curctl & IGS_EXT_SPRITE_VISIBLE) != 0 1146 && !dc->dc_curenb) 1147 igs_ext_write(iot, ioh, IGS_EXT_SPRITE_CTL, 1148 curctl & ~IGS_EXT_SPRITE_VISIBLE); 1149 } 1150 } 1151 1152 1153 /* 1154 * wsdisplay_accessops: alloc_screen() 1155 */ 1156 static int 1157 igsfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp) 1158 void *v; 1159 const struct wsscreen_descr *type; 1160 void **cookiep; 1161 int *curxp, *curyp; 1162 long *attrp; 1163 { 1164 struct igsfb_devconfig *dc = v; 1165 struct rasops_info *ri = &dc->dc_ri; 1166 1167 if (dc->dc_nscreens > 0) /* only do single screen for now */ 1168 return (ENOMEM); 1169 1170 dc->dc_nscreens = 1; 1171 1172 *cookiep = ri; /* emulcookie for igsgfb_stdscreen.textops */ 1173 *curxp = *curyp = 0; /* cursor position */ 1174 (*ri->ri_ops.allocattr)(ri, 1175 WSCOL_BLACK, /* fg */ 1176 WSCOL_BLACK, /* bg */ 1177 0, /* wsattr */ 1178 attrp); 1179 return (0); 1180 } 1181 1182 1183 /* 1184 * wsdisplay_accessops: free_screen() 1185 */ 1186 static void 1187 igsfb_free_screen(v, cookie) 1188 void *v; 1189 void *cookie; 1190 { 1191 1192 /* XXX */ 1193 return; 1194 } 1195 1196 1197 /* 1198 * wsdisplay_accessops: show_screen() 1199 */ 1200 static int 1201 igsfb_show_screen(v, cookie, waitok, cb, cbarg) 1202 void *v; 1203 void *cookie; 1204 int waitok; 1205 void (*cb)(void *, int, int); 1206 void *cbarg; 1207 { 1208 1209 /* XXX */ 1210 return (0); 1211 } 1212 1213 1214 1215 /* 1216 * Accelerated text mode cursor that uses hardware sprite. 1217 */ 1218 static void 1219 igsfb_accel_cursor(cookie, on, row, col) 1220 void *cookie; 1221 int on, row, col; 1222 { 1223 struct rasops_info *ri = (struct rasops_info *)cookie; 1224 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)ri->ri_hw; 1225 struct igs_hwcursor *cc = &dc->dc_cursor; 1226 u_int which; 1227 1228 ri->ri_crow = row; 1229 ri->ri_ccol = col; 1230 1231 which = 0; 1232 if (on) { 1233 ri->ri_flg |= RI_CURSOR; 1234 1235 /* only bother to move the cursor if it's visible */ 1236 cc->cc_pos.x = ri->ri_xorigin 1237 + ri->ri_ccol * ri->ri_font->fontwidth; 1238 cc->cc_pos.y = ri->ri_yorigin 1239 + ri->ri_crow * ri->ri_font->fontheight; 1240 which |= WSDISPLAY_CURSOR_DOPOS; 1241 } else 1242 ri->ri_flg &= ~RI_CURSOR; 1243 1244 if (dc->dc_curenb != on) { 1245 dc->dc_curenb = on; 1246 which |= WSDISPLAY_CURSOR_DOCUR; 1247 } 1248 1249 /* propagate changes to the device */ 1250 igsfb_update_cursor(dc, which); 1251 } 1252 1253 1254 1255 /* 1256 * Accelerated raster ops that use graphic coprocessor. 1257 */ 1258 1259 static int 1260 igsfb_accel_wait(dc) 1261 struct igsfb_devconfig *dc; 1262 { 1263 bus_space_tag_t t = dc->dc_iot; 1264 bus_space_handle_t h = dc->dc_coph; 1265 int timo = 100000; 1266 uint8_t reg; 1267 1268 while (timo--) { 1269 reg = bus_space_read_1(t, h, IGS_COP_CTL_REG); 1270 if ((reg & IGS_COP_CTL_BUSY) == 0) 1271 return (0); 1272 } 1273 1274 return (1); 1275 } 1276 1277 1278 static void 1279 igsfb_accel_copy(dc, src, dst, width, height) 1280 struct igsfb_devconfig *dc; 1281 uint32_t src, dst; 1282 uint16_t width, height; 1283 { 1284 bus_space_tag_t t = dc->dc_iot; 1285 bus_space_handle_t h = dc->dc_coph; 1286 uint32_t toend; 1287 uint8_t drawcmd; 1288 1289 drawcmd = IGS_COP_DRAW_ALL; 1290 if (dst > src) { 1291 toend = dc->dc_ri.ri_width * (height - 1) + (width - 1); 1292 src += toend; 1293 dst += toend; 1294 drawcmd |= IGS_COP_OCTANT_X_NEG | IGS_COP_OCTANT_Y_NEG; 1295 } 1296 1297 igsfb_accel_wait(dc); 1298 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0); 1299 1300 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S); 1301 1302 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1); 1303 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1); 1304 1305 bus_space_write_4(t, h, IGS_COP_SRC_START_REG, src); 1306 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst); 1307 1308 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, drawcmd); 1309 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG); 1310 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0); 1311 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, 1312 IGS_COP_OP_PXBLT | IGS_COP_OP_FG_FROM_SRC); 1313 } 1314 1315 static void 1316 igsfb_accel_fill(dc, color, dst, width, height) 1317 struct igsfb_devconfig *dc; 1318 uint32_t color; 1319 uint32_t dst; 1320 uint16_t width, height; 1321 { 1322 bus_space_tag_t t = dc->dc_iot; 1323 bus_space_handle_t h = dc->dc_coph; 1324 1325 igsfb_accel_wait(dc); 1326 bus_space_write_1(t, h, IGS_COP_CTL_REG, 0); 1327 1328 bus_space_write_1(t, h, IGS_COP_FG_MIX_REG, IGS_COP_MIX_S); 1329 1330 bus_space_write_2(t, h, IGS_COP_WIDTH_REG, width - 1); 1331 bus_space_write_2(t, h, IGS_COP_HEIGHT_REG, height - 1); 1332 1333 bus_space_write_4(t, h, IGS_COP_DST_START_REG, dst); 1334 bus_space_write_4(t, h, IGS_COP_FG_REG, color); 1335 1336 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_0_REG, IGS_COP_DRAW_ALL); 1337 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_1_REG, IGS_COP_PPM_FIXED_FG); 1338 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_2_REG, 0); 1339 bus_space_write_1(t, h, IGS_COP_PIXEL_OP_3_REG, IGS_COP_OP_PXBLT); 1340 } 1341 1342 1343 static void 1344 igsfb_accel_copyrows(cookie, src, dst, num) 1345 void *cookie; 1346 int src, dst, num; 1347 { 1348 struct rasops_info *ri = (struct rasops_info *)cookie; 1349 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)ri->ri_hw; 1350 uint32_t srp, dsp; 1351 uint16_t width, height; 1352 1353 width = ri->ri_emuwidth; 1354 height = num * ri->ri_font->fontheight; 1355 1356 srp = ri->ri_xorigin 1357 + ri->ri_width * (ri->ri_yorigin 1358 + src * ri->ri_font->fontheight); 1359 dsp = ri->ri_xorigin 1360 + ri->ri_width * (ri->ri_yorigin 1361 + dst * ri->ri_font->fontheight); 1362 1363 igsfb_accel_copy(dc, srp, dsp, width, height); 1364 } 1365 1366 1367 void 1368 igsfb_accel_copycols(cookie, row, src, dst, num) 1369 void *cookie; 1370 int row, src, dst, num; 1371 { 1372 struct rasops_info *ri = (struct rasops_info *)cookie; 1373 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)ri->ri_hw; 1374 uint32_t rowp, srp, dsp; 1375 uint16_t width, height; 1376 1377 width = num * ri->ri_font->fontwidth; 1378 height = ri->ri_font->fontheight; 1379 1380 rowp = ri->ri_xorigin 1381 + ri->ri_width * (ri->ri_yorigin 1382 + row * ri->ri_font->fontheight); 1383 1384 srp = rowp + src * ri->ri_font->fontwidth; 1385 dsp = rowp + dst * ri->ri_font->fontwidth; 1386 1387 igsfb_accel_copy(dc, srp, dsp, width, height); 1388 } 1389 1390 1391 static void 1392 igsfb_accel_eraserows(cookie, row, num, attr) 1393 void *cookie; 1394 int row, num; 1395 long attr; 1396 { 1397 struct rasops_info *ri = (struct rasops_info *)cookie; 1398 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)ri->ri_hw; 1399 uint32_t color; 1400 uint32_t dsp; 1401 uint16_t width, height; 1402 1403 width = ri->ri_emuwidth; 1404 height = num * ri->ri_font->fontheight; 1405 1406 dsp = ri->ri_xorigin 1407 + ri->ri_width * (ri->ri_yorigin 1408 + row * ri->ri_font->fontheight); 1409 1410 /* XXX: we "know" the encoding that rasops' allocattr uses */ 1411 color = (attr >> 16) & 0xff; 1412 1413 igsfb_accel_fill(dc, color, dsp, width, height); 1414 } 1415 1416 1417 void 1418 igsfb_accel_erasecols(cookie, row, col, num, attr) 1419 void *cookie; 1420 int row, col, num; 1421 long attr; 1422 { 1423 struct rasops_info *ri = (struct rasops_info *)cookie; 1424 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)ri->ri_hw; 1425 uint32_t color; 1426 uint32_t rowp, dsp; 1427 uint16_t width, height; 1428 1429 width = num * ri->ri_font->fontwidth; 1430 height = ri->ri_font->fontheight; 1431 1432 rowp = ri->ri_xorigin 1433 + ri->ri_width * (ri->ri_yorigin 1434 + row * ri->ri_font->fontheight); 1435 1436 dsp = rowp + col * ri->ri_font->fontwidth; 1437 1438 /* XXX: we "know" the encoding that rasops' allocattr uses */ 1439 color = (attr >> 16) & 0xff; 1440 1441 igsfb_accel_fill(dc, color, dsp, width, height); 1442 } 1443 1444 1445 /* 1446 * Not really implemented here, but we need to hook into the one 1447 * supplied by rasops so that we can synchronize with the COP. 1448 */ 1449 static void 1450 igsfb_accel_putchar(cookie, row, col, uc, attr) 1451 void *cookie; 1452 int row, col; 1453 u_int uc; 1454 long attr; 1455 { 1456 struct rasops_info *ri = (struct rasops_info *)cookie; 1457 struct igsfb_devconfig *dc = (struct igsfb_devconfig *)ri->ri_hw; 1458 1459 igsfb_accel_wait(dc); 1460 (*dc->dc_ri_putchar)(cookie, row, col, uc, attr); 1461 } 1462
Indexes created Fri Sep 26 20:09:58 GMT 2025