1 /* $NetBSD: cgsix.c,v 1.64 2014/03/16 05:20:29 dholland Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * This software was developed by the Computer Systems Engineering group 37 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 38 * contributed to Berkeley. 39 * 40 * All advertising materials mentioning features or use of this software 41 * must display the following acknowledgement: 42 * This product includes software developed by the University of 43 * California, Lawrence Berkeley Laboratory. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 3. Neither the name of the University nor the names of its contributors 54 * may be used to endorse or promote products derived from this software 55 * without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 67 * SUCH DAMAGE. 68 * 69 * @(#)cgsix.c 8.4 (Berkeley) 1/21/94 70 */ 71 72 /* 73 * color display (cgsix) driver. 74 * 75 * Does not handle interrupts, even though they can occur. 76 * 77 * XXX should defer colormap updates to vertical retrace interrupts 78 */ 79 80 #include <sys/cdefs.h> 81 __KERNEL_RCSID(0, "$NetBSD: cgsix.c,v 1.64 2014/03/16 05:20:29 dholland Exp $"); 82 83 #include <sys/param.h> 84 #include <sys/systm.h> 85 #include <sys/buf.h> 86 #include <sys/device.h> 87 #include <sys/ioctl.h> 88 #include <sys/malloc.h> 89 #include <sys/mman.h> 90 #include <sys/tty.h> 91 #include <sys/conf.h> 92 93 #ifdef DEBUG 94 #include <sys/proc.h> 95 #include <sys/syslog.h> 96 #endif 97 98 #include <sys/bus.h> 99 100 #include <dev/sun/fbio.h> 101 #include <dev/sun/fbvar.h> 102 103 #include <dev/sun/btreg.h> 104 #include <dev/sun/btvar.h> 105 #include <dev/sun/pfourreg.h> 106 107 #include <dev/wscons/wsconsio.h> 108 #include <dev/wsfont/wsfont.h> 109 #include <dev/rasops/rasops.h> 110 111 #include "opt_wsemul.h" 112 #include "rasops_glue.h" 113 114 #include <dev/sun/cgsixreg.h> 115 #include <dev/sun/cgsixvar.h> 116 117 #include "ioconf.h" 118 119 static void cg6_unblank(device_t); 120 static void cg6_blank(struct cgsix_softc *, int); 121 122 dev_type_open(cgsixopen); 123 dev_type_close(cgsixclose); 124 dev_type_ioctl(cgsixioctl); 125 dev_type_mmap(cgsixmmap); 126 127 const struct cdevsw cgsix_cdevsw = { 128 .d_open = cgsixopen, 129 .d_close = cgsixclose, 130 .d_read = noread, 131 .d_write = nowrite, 132 .d_ioctl = cgsixioctl, 133 .d_stop = nostop, 134 .d_tty = notty, 135 .d_poll = nopoll, 136 .d_mmap = cgsixmmap, 137 .d_kqfilter = nokqfilter, 138 .d_flag = D_OTHER 139 }; 140 141 /* frame buffer generic driver */ 142 static struct fbdriver cg6_fbdriver = { 143 cg6_unblank, cgsixopen, cgsixclose, cgsixioctl, nopoll, cgsixmmap, 144 nokqfilter 145 }; 146 147 static void cg6_reset (struct cgsix_softc *); 148 static void cg6_loadcmap (struct cgsix_softc *, int, int); 149 static void cg6_loadomap (struct cgsix_softc *); 150 static void cg6_setcursor (struct cgsix_softc *);/* set position */ 151 static void cg6_loadcursor (struct cgsix_softc *);/* set shape */ 152 153 #if NWSDISPLAY > 0 154 #ifdef RASTERCONSOLE 155 #error RASTERCONSOLE and wsdisplay are mutually exclusive 156 #endif 157 158 static void cg6_setup_palette(struct cgsix_softc *); 159 160 struct wsscreen_descr cgsix_defaultscreen = { 161 "std", 162 0, 0, /* will be filled in -- XXX shouldn't, it's global */ 163 NULL, /* textops */ 164 8, 16, /* font width/height */ 165 WSSCREEN_WSCOLORS, /* capabilities */ 166 NULL /* modecookie */ 167 }; 168 169 static int cgsix_ioctl(void *, void *, u_long, void *, int, struct lwp *); 170 static paddr_t cgsix_mmap(void *, void *, off_t, int); 171 static void cgsix_init_screen(void *, struct vcons_screen *, int, long *); 172 173 static void cgsix_clearscreen(struct cgsix_softc *); 174 175 void cgsix_setup_mono(struct cgsix_softc *, int, int, int, int, uint32_t, 176 uint32_t); 177 void cgsix_feed_line(struct cgsix_softc *, int, uint8_t *); 178 void cgsix_rectfill(struct cgsix_softc *, int, int, int, int, uint32_t); 179 void cgsix_bitblt(void *, int, int, int, int, int, int, int); 180 181 int cgsix_putcmap(struct cgsix_softc *, struct wsdisplay_cmap *); 182 int cgsix_getcmap(struct cgsix_softc *, struct wsdisplay_cmap *); 183 void cgsix_putchar(void *, int, int, u_int, long); 184 void cgsix_putchar_aa(void *, int, int, u_int, long); 185 void cgsix_cursor(void *, int, int, int); 186 187 struct wsdisplay_accessops cgsix_accessops = { 188 cgsix_ioctl, 189 cgsix_mmap, 190 NULL, /* alloc_screen */ 191 NULL, /* free_screen */ 192 NULL, /* show_screen */ 193 NULL, /* load_font */ 194 NULL, /* pollc */ 195 NULL /* scroll */ 196 }; 197 198 const struct wsscreen_descr *_cgsix_scrlist[] = { 199 &cgsix_defaultscreen 200 }; 201 202 struct wsscreen_list cgsix_screenlist = { 203 sizeof(_cgsix_scrlist) / sizeof(struct wsscreen_descr *), 204 _cgsix_scrlist 205 }; 206 207 208 extern const u_char rasops_cmap[768]; 209 210 #endif /* NWSDISPLAY > 0 */ 211 212 #if (NWSDISPLAY > 0) || defined(RASTERCONSOLE) 213 void cg6_invert(struct cgsix_softc *, int, int, int, int); 214 215 /* need this for both cases because ri_hw points to it */ 216 static struct vcons_screen cg6_console_screen; 217 #endif 218 219 #ifdef RASTERCONSOLE 220 int cgsix_use_rasterconsole = 1; 221 #endif 222 223 /* 224 * cg6 accelerated console routines. 225 * 226 * Note that buried in this code in several places is the assumption 227 * that pixels are exactly one byte wide. Since this is cg6-specific 228 * code, this seems safe. This assumption resides in things like the 229 * use of ri_emuwidth without messing around with ri_pelbytes, or the 230 * assumption that ri_font->fontwidth is the right thing to multiply 231 * character-cell counts by to get byte counts. 232 */ 233 234 /* 235 * Magic values for blitter 236 */ 237 238 /* Values for the mode register */ 239 #define CG6_MODE ( \ 240 0x00200000 /* GX_BLIT_SRC */ \ 241 | 0x00020000 /* GX_MODE_COLOR8 */ \ 242 | 0x00008000 /* GX_DRAW_RENDER */ \ 243 | 0x00002000 /* GX_BWRITE0_ENABLE */ \ 244 | 0x00001000 /* GX_BWRITE1_DISABLE */ \ 245 | 0x00000200 /* GX_BREAD_0 */ \ 246 | 0x00000080 /* GX_BDISP_0 */ \ 247 ) 248 #define CG6_MODE_MASK ( \ 249 0x00300000 /* GX_BLIT_ALL */ \ 250 | 0x00060000 /* GX_MODE_ALL */ \ 251 | 0x00018000 /* GX_DRAW_ALL */ \ 252 | 0x00006000 /* GX_BWRITE0_ALL */ \ 253 | 0x00001800 /* GX_BWRITE1_ALL */ \ 254 | 0x00000600 /* GX_BREAD_ALL */ \ 255 | 0x00000180 /* GX_BDISP_ALL */ \ 256 ) 257 258 /* Value for the alu register for screen-to-screen copies */ 259 #define CG6_ALU_COPY ( \ 260 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ 261 | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ 262 | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ 263 | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ 264 | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ 265 | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ 266 | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ 267 | 0x0000cccc /* ALU = src */ \ 268 ) 269 270 /* Value for the alu register for region fills */ 271 #define CG6_ALU_FILL ( \ 272 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ 273 | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ 274 | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ 275 | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ 276 | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ 277 | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ 278 | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ 279 | 0x0000ff00 /* ALU = fg color */ \ 280 ) 281 282 /* Value for the alu register for toggling an area */ 283 #define CG6_ALU_FLIP ( \ 284 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ 285 | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ 286 | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ 287 | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ 288 | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ 289 | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ 290 | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ 291 | 0x00005555 /* ALU = ~dst */ \ 292 ) 293 294 /* 295 * Run a blitter command 296 */ 297 #define CG6_BLIT(f) { (void)f->fbc_blit; } 298 299 /* 300 * Run a drawing command 301 */ 302 #define CG6_DRAW(f) { (void)f->fbc_draw; } 303 304 /* 305 * Wait for the whole engine to go idle. This may not matter in our case; 306 * I'm not sure whether blits are actually queued or not. It more likely 307 * is intended for lines and such that do get queued. 308 * 0x10000000 bit: GX_INPROGRESS 309 */ 310 #define CG6_DRAIN(fbc) do { \ 311 while ((fbc)->fbc_s & GX_INPROGRESS) \ 312 /*EMPTY*/; \ 313 } while (0) 314 315 /* 316 * something is missing here 317 * Waiting for GX_FULL to clear should be enough to send another command 318 * but some CG6 ( LX onboard for example ) lock up if we do that while 319 * it works fine on others ( a 4MB TGX+ I've got here ) 320 * So, until I figure out what's going on we wait for the blitter to go 321 * fully idle. 322 */ 323 #define CG6_WAIT_READY(fbc) do { \ 324 while (((fbc)->fbc_s & GX_INPROGRESS/*GX_FULL*/) != 0) \ 325 /*EMPTY*/; \ 326 } while (0) 327 328 #if (NWSDISPLAY > 0) || defined(RASTERCONSOLE) 329 static void cg6_ras_init(struct cgsix_softc *); 330 static void cg6_ras_copyrows(void *, int, int, int); 331 static void cg6_ras_copycols(void *, int, int, int, int); 332 static void cg6_ras_erasecols(void *, int, int, int, long int); 333 static void cg6_ras_eraserows(void *, int, int, long int); 334 #if defined(RASTERCONSOLE) && defined(CG6_BLIT_CURSOR) 335 static void cg6_ras_do_cursor(struct rasops_info *); 336 #endif 337 338 static void 339 cg6_ras_init(struct cgsix_softc *sc) 340 { 341 volatile struct cg6_fbc *fbc = sc->sc_fbc; 342 343 CG6_DRAIN(fbc); 344 fbc->fbc_mode &= ~CG6_MODE_MASK; 345 fbc->fbc_mode |= CG6_MODE; 346 347 /* set some common drawing engine parameters */ 348 fbc->fbc_clip = 0; 349 fbc->fbc_s = 0; 350 fbc->fbc_offx = 0; 351 fbc->fbc_offy = 0; 352 fbc->fbc_clipminx = 0; 353 fbc->fbc_clipminy = 0; 354 fbc->fbc_clipmaxx = 0x3fff; 355 fbc->fbc_clipmaxy = 0x3fff; 356 } 357 358 static void 359 cg6_ras_copyrows(void *cookie, int src, int dst, int n) 360 { 361 struct rasops_info *ri = cookie; 362 struct vcons_screen *scr = ri->ri_hw; 363 struct cgsix_softc *sc = scr->scr_cookie; 364 volatile struct cg6_fbc *fbc = sc->sc_fbc; 365 366 if (dst == src) 367 return; 368 if (src < 0) { 369 n += src; 370 src = 0; 371 } 372 if (src+n > ri->ri_rows) 373 n = ri->ri_rows - src; 374 if (dst < 0) { 375 n += dst; 376 dst = 0; 377 } 378 if (dst+n > ri->ri_rows) 379 n = ri->ri_rows - dst; 380 if (n <= 0) 381 return; 382 n *= ri->ri_font->fontheight; 383 src *= ri->ri_font->fontheight; 384 dst *= ri->ri_font->fontheight; 385 386 CG6_WAIT_READY(fbc); 387 388 fbc->fbc_alu = CG6_ALU_COPY; 389 fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8; 390 391 fbc->fbc_x0 = ri->ri_xorigin; 392 fbc->fbc_y0 = ri->ri_yorigin + src; 393 fbc->fbc_x1 = ri->ri_xorigin + ri->ri_emuwidth - 1; 394 fbc->fbc_y1 = ri->ri_yorigin + src + n - 1; 395 fbc->fbc_x2 = ri->ri_xorigin; 396 fbc->fbc_y2 = ri->ri_yorigin + dst; 397 fbc->fbc_x3 = ri->ri_xorigin + ri->ri_emuwidth - 1; 398 fbc->fbc_y3 = ri->ri_yorigin + dst + n - 1; 399 CG6_BLIT(fbc); 400 } 401 402 static void 403 cg6_ras_copycols(void *cookie, int row, int src, int dst, int n) 404 { 405 struct rasops_info *ri = cookie; 406 struct vcons_screen *scr = ri->ri_hw; 407 struct cgsix_softc *sc = scr->scr_cookie; 408 volatile struct cg6_fbc *fbc = sc->sc_fbc; 409 410 if (dst == src) 411 return; 412 if ((row < 0) || (row >= ri->ri_rows)) 413 return; 414 if (src < 0) { 415 n += src; 416 src = 0; 417 } 418 if (src+n > ri->ri_cols) 419 n = ri->ri_cols - src; 420 if (dst < 0) { 421 n += dst; 422 dst = 0; 423 } 424 if (dst+n > ri->ri_cols) 425 n = ri->ri_cols - dst; 426 if (n <= 0) 427 return; 428 n *= ri->ri_font->fontwidth; 429 src *= ri->ri_font->fontwidth; 430 dst *= ri->ri_font->fontwidth; 431 row *= ri->ri_font->fontheight; 432 433 CG6_WAIT_READY(fbc); 434 435 fbc->fbc_alu = CG6_ALU_COPY; 436 fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8; 437 438 fbc->fbc_x0 = ri->ri_xorigin + src; 439 fbc->fbc_y0 = ri->ri_yorigin + row; 440 fbc->fbc_x1 = ri->ri_xorigin + src + n - 1; 441 fbc->fbc_y1 = ri->ri_yorigin + row + 442 ri->ri_font->fontheight - 1; 443 fbc->fbc_x2 = ri->ri_xorigin + dst; 444 fbc->fbc_y2 = ri->ri_yorigin + row; 445 fbc->fbc_x3 = ri->ri_xorigin + dst + n - 1; 446 fbc->fbc_y3 = ri->ri_yorigin + row + 447 ri->ri_font->fontheight - 1; 448 CG6_BLIT(fbc); 449 } 450 451 static void 452 cg6_ras_erasecols(void *cookie, int row, int col, int n, long int attr) 453 { 454 struct rasops_info *ri = cookie; 455 struct vcons_screen *scr = ri->ri_hw; 456 struct cgsix_softc *sc = scr->scr_cookie; 457 volatile struct cg6_fbc *fbc = sc->sc_fbc; 458 459 if ((row < 0) || (row >= ri->ri_rows)) 460 return; 461 if (col < 0) { 462 n += col; 463 col = 0; 464 } 465 if (col+n > ri->ri_cols) 466 n = ri->ri_cols - col; 467 if (n <= 0) 468 return; 469 n *= ri->ri_font->fontwidth; 470 col *= ri->ri_font->fontwidth; 471 row *= ri->ri_font->fontheight; 472 473 CG6_WAIT_READY(fbc); 474 fbc->fbc_alu = CG6_ALU_FILL; 475 fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8; 476 477 fbc->fbc_fg = ri->ri_devcmap[(attr >> 16) & 0xff]; 478 fbc->fbc_arecty = ri->ri_yorigin + row; 479 fbc->fbc_arectx = ri->ri_xorigin + col; 480 fbc->fbc_arecty = ri->ri_yorigin + row + 481 ri->ri_font->fontheight - 1; 482 fbc->fbc_arectx = ri->ri_xorigin + col + n - 1; 483 CG6_DRAW(fbc); 484 } 485 486 static void 487 cg6_ras_eraserows(void *cookie, int row, int n, long int attr) 488 { 489 struct rasops_info *ri = cookie; 490 struct vcons_screen *scr = ri->ri_hw; 491 struct cgsix_softc *sc = scr->scr_cookie; 492 volatile struct cg6_fbc *fbc = sc->sc_fbc; 493 494 if (row < 0) { 495 n += row; 496 row = 0; 497 } 498 if (row+n > ri->ri_rows) 499 n = ri->ri_rows - row; 500 if (n <= 0) 501 return; 502 503 CG6_WAIT_READY(fbc); 504 fbc->fbc_alu = CG6_ALU_FILL; 505 fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8; 506 507 fbc->fbc_fg = ri->ri_devcmap[(attr >> 16) & 0xff]; 508 if ((n == ri->ri_rows) && (ri->ri_flg & RI_FULLCLEAR)) { 509 fbc->fbc_arecty = 0; 510 fbc->fbc_arectx = 0; 511 fbc->fbc_arecty = ri->ri_height - 1; 512 fbc->fbc_arectx = ri->ri_width - 1; 513 } else { 514 row *= ri->ri_font->fontheight; 515 fbc->fbc_arecty = ri->ri_yorigin + row; 516 fbc->fbc_arectx = ri->ri_xorigin; 517 fbc->fbc_arecty = ri->ri_yorigin + row + 518 (n * ri->ri_font->fontheight) - 1; 519 fbc->fbc_arectx = ri->ri_xorigin + ri->ri_emuwidth - 1; 520 } 521 CG6_DRAW(fbc); 522 } 523 524 #if defined(RASTERCONSOLE) && defined(CG6_BLIT_CURSOR) 525 /* 526 * Really want something more like fg^bg here, but that would be more 527 * or less impossible to migrate to colors. So we hope there's 528 * something not too inappropriate in the colormap...besides, it's what 529 * the non-accelerated code did. :-) 530 */ 531 static void 532 cg6_ras_do_cursor(struct rasops_info *ri) 533 { 534 struct vcons_screen *scr = ri->ri_hw; 535 struct cgsix_softc *sc = scr->cookie; 536 int row, col; 537 538 row = ri->ri_crow * ri->ri_font->fontheight; 539 col = ri->ri_ccol * ri->ri_font->fontwidth; 540 cg6_invert(sc, ri->ri_xorigin + col,ri->ri_yorigin + 541 row, ri->ri_font->fontwidth, ri->ri_font->fontheight); 542 } 543 #endif /* RASTERCONSOLE */ 544 545 #endif /* (NWSDISPLAY > 0) || defined(RASTERCONSOLE) */ 546 547 void 548 cg6attach(struct cgsix_softc *sc, const char *name, int isconsole) 549 { 550 struct fbdevice *fb = &sc->sc_fb; 551 #if NWSDISPLAY > 0 552 struct wsemuldisplaydev_attach_args aa; 553 struct rasops_info *ri = &cg6_console_screen.scr_ri; 554 unsigned long defattr; 555 #endif 556 557 fb->fb_driver = &cg6_fbdriver; 558 559 /* Don't have to map the pfour register on the cgsix. */ 560 fb->fb_pfour = NULL; 561 562 fb->fb_type.fb_cmsize = 256; 563 fb->fb_type.fb_size = sc->sc_ramsize; 564 565 printf(": %s, %d x %d", name, 566 fb->fb_type.fb_width, fb->fb_type.fb_height); 567 if(sc->sc_fhc) { 568 sc->sc_fhcrev = (*sc->sc_fhc >> FHC_REV_SHIFT) & 569 (FHC_REV_MASK >> FHC_REV_SHIFT); 570 } else 571 sc->sc_fhcrev=-1; 572 printf(", rev %d", sc->sc_fhcrev); 573 574 /* reset cursor & frame buffer controls */ 575 cg6_reset(sc); 576 577 /* enable video */ 578 sc->sc_thc->thc_misc |= THC_MISC_VIDEN; 579 580 if (isconsole) { 581 printf(" (console)"); 582 583 /* this is the old console attachment stuff - sparc still needs it */ 584 #ifdef RASTERCONSOLE 585 if (cgsix_use_rasterconsole) { 586 fbrcons_init(&sc->sc_fb); 587 /* 588 * we don't use the screen struct but keep it here to 589 * avoid ugliness in the cg6_ras_* functions 590 */ 591 cg6_console_screen.scr_cookie = sc; 592 sc->sc_fb.fb_rinfo.ri_hw = &cg6_console_screen; 593 sc->sc_fb.fb_rinfo.ri_ops.copyrows = cg6_ras_copyrows; 594 sc->sc_fb.fb_rinfo.ri_ops.copycols = cg6_ras_copycols; 595 sc->sc_fb.fb_rinfo.ri_ops.erasecols = cg6_ras_erasecols; 596 sc->sc_fb.fb_rinfo.ri_ops.eraserows = cg6_ras_eraserows; 597 #ifdef CG6_BLIT_CURSOR 598 sc->sc_fb.fb_rinfo.ri_do_cursor = cg6_ras_do_cursor; 599 #endif 600 cg6_ras_init(sc); 601 } 602 #endif 603 } 604 printf("\n"); 605 606 fb_attach(&sc->sc_fb, isconsole); 607 sc->sc_width = fb->fb_type.fb_width; 608 sc->sc_stride = fb->fb_type.fb_width; 609 sc->sc_height = fb->fb_type.fb_height; 610 611 printf("%s: framebuffer size: %d MB\n", device_xname(sc->sc_dev), 612 sc->sc_ramsize >> 20); 613 614 #if NWSDISPLAY 615 /* setup rasops and so on for wsdisplay */ 616 memcpy(sc->sc_default_cmap, rasops_cmap, 768); 617 wsfont_init(); 618 cg6_ras_init(sc); 619 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 620 sc->sc_bg = WS_DEFAULT_BG; 621 sc->sc_fb_is_open = FALSE; 622 623 vcons_init(&sc->vd, sc, &cgsix_defaultscreen, &cgsix_accessops); 624 sc->vd.init_screen = cgsix_init_screen; 625 626 sc->sc_gc.gc_bitblt = cgsix_bitblt; 627 sc->sc_gc.gc_blitcookie = sc; 628 sc->sc_gc.gc_rop = CG6_ALU_COPY; 629 630 if(isconsole) { 631 /* we mess with cg6_console_screen only once */ 632 vcons_init_screen(&sc->vd, &cg6_console_screen, 1, 633 &defattr); 634 sc->sc_bg = (defattr >> 16) & 0xf; /* yes, this is an index into devcmap */ 635 636 /* 637 * XXX 638 * Is this actually necessary? We're going to use the blitter later on anyway. 639 */ 640 /* We need unaccelerated initial screen clear on old revisions */ 641 if (sc->sc_fhcrev < 2) { 642 memset(sc->sc_fb.fb_pixels, ri->ri_devcmap[sc->sc_bg], 643 sc->sc_stride * sc->sc_height); 644 } else 645 cgsix_clearscreen(sc); 646 647 cg6_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 648 649 cgsix_defaultscreen.textops = &ri->ri_ops; 650 cgsix_defaultscreen.capabilities = ri->ri_caps; 651 cgsix_defaultscreen.nrows = ri->ri_rows; 652 cgsix_defaultscreen.ncols = ri->ri_cols; 653 SCREEN_VISIBLE(&cg6_console_screen); 654 sc->vd.active = &cg6_console_screen; 655 wsdisplay_cnattach(&cgsix_defaultscreen, ri, 0, 0, defattr); 656 if (ri->ri_flg & RI_ENABLE_ALPHA) { 657 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 658 (sc->sc_ramsize / sc->sc_stride) - 659 sc->sc_height - 5, 660 sc->sc_width, 661 ri->ri_font->fontwidth, 662 ri->ri_font->fontheight, 663 defattr); 664 } 665 vcons_replay_msgbuf(&cg6_console_screen); 666 } else { 667 /* 668 * since we're not the console we can postpone the rest 669 * until someone actually allocates a screen for us 670 */ 671 if (cg6_console_screen.scr_ri.ri_rows == 0) { 672 /* do some minimal setup to avoid weirdnesses later */ 673 vcons_init_screen(&sc->vd, &cg6_console_screen, 1, 674 &defattr); 675 } else 676 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 677 sc->sc_bg = (defattr >> 16) & 0xf; 678 if (ri->ri_flg & RI_ENABLE_ALPHA) { 679 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 680 (sc->sc_ramsize / sc->sc_stride) - 681 sc->sc_height - 5, 682 sc->sc_width, 683 ri->ri_font->fontwidth, 684 ri->ri_font->fontheight, 685 defattr); 686 } 687 } 688 cg6_setup_palette(sc); 689 690 aa.scrdata = &cgsix_screenlist; 691 aa.console = isconsole; 692 aa.accessops = &cgsix_accessops; 693 aa.accesscookie = &sc->vd; 694 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 695 #else 696 bt_initcmap(&sc->sc_cmap, 256); 697 cg6_loadcmap(sc, 0, 256); 698 699 #endif 700 } 701 702 703 int 704 cgsixopen(dev_t dev, int flags, int mode, struct lwp *l) 705 { 706 device_t dv = device_lookup(&cgsix_cd, minor(dev)); 707 struct cgsix_softc *sc = device_private(dv); 708 709 if (dv == NULL) 710 return ENXIO; 711 sc->sc_fb_is_open = TRUE; 712 713 return 0; 714 } 715 716 int 717 cgsixclose(dev_t dev, int flags, int mode, struct lwp *l) 718 { 719 device_t dv = device_lookup(&cgsix_cd, minor(dev)); 720 struct cgsix_softc *sc = device_private(dv); 721 722 cg6_reset(sc); 723 sc->sc_fb_is_open = FALSE; 724 725 #if NWSDISPLAY > 0 726 if (IS_IN_EMUL_MODE(sc)) { 727 struct vcons_screen *ms = sc->vd.active; 728 729 cg6_ras_init(sc); 730 cg6_setup_palette(sc); 731 glyphcache_wipe(&sc->sc_gc); 732 733 /* we don't know if the screen exists */ 734 if (ms != NULL) 735 vcons_redraw_screen(ms); 736 } 737 #else 738 /* (re-)initialize the default color map */ 739 bt_initcmap(&sc->sc_cmap, 256); 740 741 cg6_loadcmap(sc, 0, 256); 742 #endif 743 return 0; 744 } 745 746 int 747 cgsixioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 748 { 749 struct cgsix_softc *sc = device_lookup_private(&cgsix_cd, minor(dev)); 750 union cursor_cmap tcm; 751 uint32_t image[32], mask[32]; 752 u_int count; 753 int v, error; 754 755 #ifdef CGSIX_DEBUG 756 printf("cgsixioctl(%lx)\n",cmd); 757 #endif 758 759 switch (cmd) { 760 761 case FBIOGTYPE: 762 *(struct fbtype *)data = sc->sc_fb.fb_type; 763 break; 764 765 case FBIOGATTR: 766 #define fba ((struct fbgattr *)data) 767 fba->real_type = sc->sc_fb.fb_type.fb_type; 768 fba->owner = 0; /* XXX ??? */ 769 fba->fbtype = sc->sc_fb.fb_type; 770 fba->sattr.flags = 0; 771 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 772 fba->sattr.dev_specific[0] = -1; 773 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 774 fba->emu_types[1] = -1; 775 #undef fba 776 break; 777 778 case FBIOGETCMAP: 779 #define p ((struct fbcmap *)data) 780 return (bt_getcmap(p, &sc->sc_cmap, 256, 1)); 781 782 case FBIOPUTCMAP: 783 /* copy to software map */ 784 error = bt_putcmap(p, &sc->sc_cmap, 256, 1); 785 if (error) 786 return error; 787 /* now blast them into the chip */ 788 /* XXX should use retrace interrupt */ 789 cg6_loadcmap(sc, p->index, p->count); 790 #undef p 791 break; 792 793 case FBIOGVIDEO: 794 *(int *)data = sc->sc_blanked; 795 break; 796 797 case FBIOSVIDEO: 798 cg6_blank(sc, !(*(int *)data)); 799 break; 800 801 /* these are for both FBIOSCURSOR and FBIOGCURSOR */ 802 #define p ((struct fbcursor *)data) 803 #define cc (&sc->sc_cursor) 804 805 case FBIOGCURSOR: 806 /* do not quite want everything here... */ 807 p->set = FB_CUR_SETALL; /* close enough, anyway */ 808 p->enable = cc->cc_enable; 809 p->pos = cc->cc_pos; 810 p->hot = cc->cc_hot; 811 p->size = cc->cc_size; 812 813 /* begin ugh ... can we lose some of this crap?? */ 814 if (p->image != NULL) { 815 count = cc->cc_size.y * 32 / NBBY; 816 error = copyout(cc->cc_bits[1], p->image, count); 817 if (error) 818 return error; 819 error = copyout(cc->cc_bits[0], p->mask, count); 820 if (error) 821 return error; 822 } 823 if (p->cmap.red != NULL) { 824 error = bt_getcmap(&p->cmap, 825 (union bt_cmap *)&cc->cc_color, 2, 1); 826 if (error) 827 return error; 828 } else { 829 p->cmap.index = 0; 830 p->cmap.count = 2; 831 } 832 /* end ugh */ 833 break; 834 835 case FBIOSCURSOR: 836 /* 837 * For setcmap and setshape, verify parameters, so that 838 * we do not get halfway through an update and then crap 839 * out with the software state screwed up. 840 */ 841 v = p->set; 842 if (v & FB_CUR_SETCMAP) { 843 /* 844 * This use of a temporary copy of the cursor 845 * colormap is not terribly efficient, but these 846 * copies are small (8 bytes)... 847 */ 848 tcm = cc->cc_color; 849 error = bt_putcmap(&p->cmap, (union bt_cmap *)&tcm, 2, 850 1); 851 if (error) 852 return error; 853 } 854 if (v & FB_CUR_SETSHAPE) { 855 if ((u_int)p->size.x > 32 || (u_int)p->size.y > 32) 856 return EINVAL; 857 count = p->size.y * 32 / NBBY; 858 error = copyin(p->image, image, count); 859 if (error) 860 return error; 861 error = copyin(p->mask, mask, count); 862 if (error) 863 return error; 864 } 865 866 /* parameters are OK; do it */ 867 if (v & (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT)) { 868 if (v & FB_CUR_SETCUR) 869 cc->cc_enable = p->enable; 870 if (v & FB_CUR_SETPOS) 871 cc->cc_pos = p->pos; 872 if (v & FB_CUR_SETHOT) 873 cc->cc_hot = p->hot; 874 cg6_setcursor(sc); 875 } 876 if (v & FB_CUR_SETCMAP) { 877 cc->cc_color = tcm; 878 cg6_loadomap(sc); /* XXX defer to vertical retrace */ 879 } 880 if (v & FB_CUR_SETSHAPE) { 881 cc->cc_size = p->size; 882 count = p->size.y * 32 / NBBY; 883 memset(cc->cc_bits, 0, sizeof cc->cc_bits); 884 memcpy(cc->cc_bits[1], image, count); 885 memcpy(cc->cc_bits[0], mask, count); 886 cg6_loadcursor(sc); 887 } 888 break; 889 890 #undef p 891 #undef cc 892 893 case FBIOGCURPOS: 894 *(struct fbcurpos *)data = sc->sc_cursor.cc_pos; 895 break; 896 897 case FBIOSCURPOS: 898 sc->sc_cursor.cc_pos = *(struct fbcurpos *)data; 899 cg6_setcursor(sc); 900 break; 901 902 case FBIOGCURMAX: 903 /* max cursor size is 32x32 */ 904 ((struct fbcurpos *)data)->x = 32; 905 ((struct fbcurpos *)data)->y = 32; 906 break; 907 908 default: 909 #ifdef DEBUG 910 log(LOG_NOTICE, "cgsixioctl(0x%lx) (%s[%d])\n", cmd, 911 l->l_proc->p_comm, l->l_proc->p_pid); 912 #endif 913 return ENOTTY; 914 } 915 return 0; 916 } 917 918 /* 919 * Clean up hardware state (e.g., after bootup or after X crashes). 920 */ 921 static void 922 cg6_reset(struct cgsix_softc *sc) 923 { 924 volatile struct cg6_tec_xxx *tec; 925 int fhc; 926 volatile struct bt_regs *bt; 927 928 /* hide the cursor, just in case */ 929 sc->sc_thc->thc_cursxy = (THC_CURSOFF << 16) | THC_CURSOFF; 930 931 /* turn off frobs in transform engine (makes X11 work) */ 932 tec = sc->sc_tec; 933 tec->tec_mv = 0; 934 tec->tec_clip = 0; 935 tec->tec_vdc = 0; 936 937 /* take care of hardware bugs in old revisions */ 938 if (sc->sc_fhcrev < 5) { 939 /* 940 * Keep current resolution; set CPU to 68020, set test 941 * window (size 1Kx1K), and for rev 1, disable dest cache. 942 */ 943 fhc = (*sc->sc_fhc & FHC_RES_MASK) | FHC_CPU_68020 | 944 FHC_TEST | 945 (11 << FHC_TESTX_SHIFT) | (11 << FHC_TESTY_SHIFT); 946 if (sc->sc_fhcrev < 2) 947 fhc |= FHC_DST_DISABLE; 948 *sc->sc_fhc = fhc; 949 } 950 951 /* Enable cursor in Brooktree DAC. */ 952 bt = sc->sc_bt; 953 bt->bt_addr = 0x06 << 24; 954 bt->bt_ctrl |= 0x03 << 24; 955 } 956 957 static void 958 cg6_setcursor(struct cgsix_softc *sc) 959 { 960 961 /* we need to subtract the hot-spot value here */ 962 #define COORD(f) (sc->sc_cursor.cc_pos.f - sc->sc_cursor.cc_hot.f) 963 sc->sc_thc->thc_cursxy = sc->sc_cursor.cc_enable ? 964 ((COORD(x) << 16) | (COORD(y) & 0xffff)) : 965 (THC_CURSOFF << 16) | THC_CURSOFF; 966 #undef COORD 967 } 968 969 static void 970 cg6_loadcursor(struct cgsix_softc *sc) 971 { 972 volatile struct cg6_thc *thc; 973 u_int edgemask, m; 974 int i; 975 976 /* 977 * Keep the top size.x bits. Here we *throw out* the top 978 * size.x bits from an all-one-bits word, introducing zeros in 979 * the top size.x bits, then invert all the bits to get what 980 * we really wanted as our mask. But this fails if size.x is 981 * 32---a sparc uses only the low 5 bits of the shift count--- 982 * so we have to special case that. 983 */ 984 edgemask = ~0; 985 if (sc->sc_cursor.cc_size.x < 32) 986 edgemask = ~(edgemask >> sc->sc_cursor.cc_size.x); 987 thc = sc->sc_thc; 988 for (i = 0; i < 32; i++) { 989 m = sc->sc_cursor.cc_bits[0][i] & edgemask; 990 thc->thc_cursmask[i] = m; 991 thc->thc_cursbits[i] = m & sc->sc_cursor.cc_bits[1][i]; 992 } 993 } 994 995 /* 996 * Load a subset of the current (new) colormap into the color DAC. 997 */ 998 static void 999 cg6_loadcmap(struct cgsix_softc *sc, int start, int ncolors) 1000 { 1001 volatile struct bt_regs *bt; 1002 u_int *ip, i; 1003 int count; 1004 1005 ip = &sc->sc_cmap.cm_chip[BT_D4M3(start)]; /* start/4 * 3 */ 1006 count = BT_D4M3(start + ncolors - 1) - BT_D4M3(start) + 3; 1007 bt = sc->sc_bt; 1008 bt->bt_addr = BT_D4M4(start) << 24; 1009 while (--count >= 0) { 1010 i = *ip++; 1011 /* hardware that makes one want to pound boards with hammers */ 1012 bt->bt_cmap = i; 1013 bt->bt_cmap = i << 8; 1014 bt->bt_cmap = i << 16; 1015 bt->bt_cmap = i << 24; 1016 } 1017 } 1018 1019 /* 1020 * Load the cursor (overlay `foreground' and `background') colors. 1021 */ 1022 static void 1023 cg6_loadomap(struct cgsix_softc *sc) 1024 { 1025 volatile struct bt_regs *bt; 1026 u_int i; 1027 1028 bt = sc->sc_bt; 1029 bt->bt_addr = 0x01 << 24; /* set background color */ 1030 i = sc->sc_cursor.cc_color.cm_chip[0]; 1031 bt->bt_omap = i; /* R */ 1032 bt->bt_omap = i << 8; /* G */ 1033 bt->bt_omap = i << 16; /* B */ 1034 1035 bt->bt_addr = 0x03 << 24; /* set foreground color */ 1036 bt->bt_omap = i << 24; /* R */ 1037 i = sc->sc_cursor.cc_color.cm_chip[1]; 1038 bt->bt_omap = i; /* G */ 1039 bt->bt_omap = i << 8; /* B */ 1040 } 1041 1042 /* blank or unblank the screen */ 1043 static void 1044 cg6_blank(struct cgsix_softc *sc, int flag) 1045 { 1046 1047 if (sc->sc_blanked != flag) { 1048 sc->sc_blanked = flag; 1049 if (flag) { 1050 sc->sc_thc->thc_misc &= ~THC_MISC_VIDEN; 1051 } else { 1052 sc->sc_thc->thc_misc |= THC_MISC_VIDEN; 1053 } 1054 } 1055 } 1056 1057 /* 1058 * this is called on panic or ddb entry - force the console to the front, reset 1059 * the colour map and enable drawing so we actually see the message even when X 1060 * is running 1061 */ 1062 static void 1063 cg6_unblank(device_t dev) 1064 { 1065 struct cgsix_softc *sc = device_private(dev); 1066 1067 cg6_blank(sc, 0); 1068 } 1069 1070 /* XXX the following should be moved to a "user interface" header */ 1071 /* 1072 * Base addresses at which users can mmap() the various pieces of a cg6. 1073 * Note that although the Brooktree color registers do not occupy 8K, 1074 * the X server dies if we do not allow it to map 8K there (it just maps 1075 * from 0x70000000 forwards, as a contiguous chunk). 1076 */ 1077 #define CG6_USER_FBC 0x70000000 1078 #define CG6_USER_TEC 0x70001000 1079 #define CG6_USER_BTREGS 0x70002000 1080 #define CG6_USER_FHC 0x70004000 1081 #define CG6_USER_THC 0x70005000 1082 #define CG6_USER_ROM 0x70006000 1083 #define CG6_USER_RAM 0x70016000 1084 #define CG6_USER_DHC 0x80000000 1085 1086 struct mmo { 1087 u_long mo_uaddr; /* user (virtual) address */ 1088 u_long mo_size; /* size, or 0 for video ram size */ 1089 u_long mo_physoff; /* offset from sc_physadr */ 1090 }; 1091 1092 /* 1093 * Return the address that would map the given device at the given 1094 * offset, allowing for the given protection, or return -1 for error. 1095 * 1096 * XXX needs testing against `demanding' applications (e.g., aviator) 1097 */ 1098 paddr_t 1099 cgsixmmap(dev_t dev, off_t off, int prot) 1100 { 1101 struct cgsix_softc *sc = device_lookup_private(&cgsix_cd, minor(dev)); 1102 struct mmo *mo; 1103 u_int u, sz; 1104 static struct mmo mmo[] = { 1105 { CG6_USER_RAM, 0, CGSIX_RAM_OFFSET }, 1106 1107 /* do not actually know how big most of these are! */ 1108 { CG6_USER_FBC, 1, CGSIX_FBC_OFFSET }, 1109 { CG6_USER_TEC, 1, CGSIX_TEC_OFFSET }, 1110 { CG6_USER_BTREGS, 8192 /* XXX */, CGSIX_BT_OFFSET }, 1111 { CG6_USER_FHC, 1, CGSIX_FHC_OFFSET }, 1112 { CG6_USER_THC, sizeof(struct cg6_thc), CGSIX_THC_OFFSET }, 1113 { CG6_USER_ROM, 65536, CGSIX_ROM_OFFSET }, 1114 { CG6_USER_DHC, 1, CGSIX_DHC_OFFSET }, 1115 }; 1116 #define NMMO (sizeof mmo / sizeof *mmo) 1117 1118 if (off & PGOFSET) 1119 panic("cgsixmmap"); 1120 1121 /* 1122 * Entries with size 0 map video RAM (i.e., the size in fb data). 1123 * 1124 * Since we work in pages, the fact that the map offset table's 1125 * sizes are sometimes bizarre (e.g., 1) is effectively ignored: 1126 * one byte is as good as one page. 1127 */ 1128 for (mo = mmo; mo < &mmo[NMMO]; mo++) { 1129 if ((u_long)off < mo->mo_uaddr) 1130 continue; 1131 u = off - mo->mo_uaddr; 1132 sz = mo->mo_size ? mo->mo_size : 1133 sc->sc_ramsize; 1134 if (u < sz) { 1135 return (bus_space_mmap(sc->sc_bustag, 1136 sc->sc_paddr, u+mo->mo_physoff, 1137 prot, BUS_SPACE_MAP_LINEAR)); 1138 } 1139 } 1140 1141 #ifdef DEBUG 1142 { 1143 struct proc *p = curlwp->l_proc; /* XXX */ 1144 log(LOG_NOTICE, "cgsixmmap(0x%llx) (%s[%d])\n", 1145 (long long)off, p->p_comm, p->p_pid); 1146 } 1147 #endif 1148 return -1; /* not a user-map offset */ 1149 } 1150 1151 #if NWSDISPLAY > 0 1152 1153 static void 1154 cg6_setup_palette(struct cgsix_softc *sc) 1155 { 1156 int i, j; 1157 1158 rasops_get_cmap(&cg6_console_screen.scr_ri, sc->sc_default_cmap, 1159 sizeof(sc->sc_default_cmap)); 1160 j = 0; 1161 for (i = 0; i < 256; i++) { 1162 sc->sc_cmap.cm_map[i][0] = sc->sc_default_cmap[j]; 1163 j++; 1164 sc->sc_cmap.cm_map[i][1] = sc->sc_default_cmap[j]; 1165 j++; 1166 sc->sc_cmap.cm_map[i][2] = sc->sc_default_cmap[j]; 1167 j++; 1168 } 1169 cg6_loadcmap(sc, 0, 256); 1170 } 1171 1172 int 1173 cgsix_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 1174 struct lwp *l) 1175 { 1176 /* we'll probably need to add more stuff here */ 1177 struct vcons_data *vd = v; 1178 struct cgsix_softc *sc = vd->cookie; 1179 struct wsdisplay_fbinfo *wdf; 1180 struct rasops_info *ri = &sc->sc_fb.fb_rinfo; 1181 struct vcons_screen *ms = sc->vd.active; 1182 1183 #ifdef CGSIX_DEBUG 1184 printf("cgsix_ioctl(%lx)\n",cmd); 1185 #endif 1186 switch (cmd) { 1187 case WSDISPLAYIO_GTYPE: 1188 *(u_int *)data = WSDISPLAY_TYPE_SUNTCX; 1189 return 0; 1190 case WSDISPLAYIO_GINFO: 1191 wdf = (void *)data; 1192 wdf->height = ri->ri_height; 1193 wdf->width = ri->ri_width; 1194 wdf->depth = ri->ri_depth; 1195 wdf->cmsize = 256; 1196 return 0; 1197 1198 case WSDISPLAYIO_GETCMAP: 1199 return cgsix_getcmap(sc, 1200 (struct wsdisplay_cmap *)data); 1201 case WSDISPLAYIO_PUTCMAP: 1202 return cgsix_putcmap(sc, 1203 (struct wsdisplay_cmap *)data); 1204 1205 case WSDISPLAYIO_LINEBYTES: 1206 *(u_int *)data = sc->sc_stride; 1207 return 0; 1208 1209 case WSDISPLAYIO_SMODE: 1210 { 1211 int new_mode = *(int*)data; 1212 1213 if (new_mode != sc->sc_mode) { 1214 sc->sc_mode = new_mode; 1215 if (IS_IN_EMUL_MODE(sc)) { 1216 cg6_reset(sc); 1217 cg6_ras_init(sc); 1218 cg6_setup_palette(sc); 1219 glyphcache_wipe(&sc->sc_gc); 1220 vcons_redraw_screen(ms); 1221 } 1222 } 1223 } 1224 } 1225 return EPASSTHROUGH; 1226 } 1227 1228 paddr_t 1229 cgsix_mmap(void *v, void *vs, off_t offset, int prot) 1230 { 1231 struct vcons_data *vd = v; 1232 struct cgsix_softc *sc = vd->cookie; 1233 1234 if (offset < sc->sc_ramsize) { 1235 return bus_space_mmap(sc->sc_bustag, sc->sc_paddr, 1236 CGSIX_RAM_OFFSET + offset, prot, BUS_SPACE_MAP_LINEAR); 1237 } 1238 return -1; 1239 } 1240 1241 int 1242 cgsix_putcmap(struct cgsix_softc *sc, struct wsdisplay_cmap *cm) 1243 { 1244 u_int index = cm->index; 1245 u_int count = cm->count; 1246 int error, i; 1247 1248 if (index >= 256 || count > 256 || index + count > 256) 1249 return EINVAL; 1250 1251 for (i = 0; i < count; i++) 1252 { 1253 error = copyin(&cm->red[i], 1254 &sc->sc_cmap.cm_map[index + i][0], 1); 1255 if (error) 1256 return error; 1257 error = copyin(&cm->green[i], 1258 &sc->sc_cmap.cm_map[index + i][1], 1259 1); 1260 if (error) 1261 return error; 1262 error = copyin(&cm->blue[i], 1263 &sc->sc_cmap.cm_map[index + i][2], 1); 1264 if (error) 1265 return error; 1266 } 1267 cg6_loadcmap(sc, index, count); 1268 1269 return 0; 1270 } 1271 1272 int 1273 cgsix_getcmap(struct cgsix_softc *sc, struct wsdisplay_cmap *cm) 1274 { 1275 u_int index = cm->index; 1276 u_int count = cm->count; 1277 int error,i; 1278 1279 if (index >= 256 || count > 256 || index + count > 256) 1280 return EINVAL; 1281 1282 for (i = 0; i < count; i++) 1283 { 1284 error = copyout(&sc->sc_cmap.cm_map[index + i][0], 1285 &cm->red[i], 1); 1286 if (error) 1287 return error; 1288 error = copyout(&sc->sc_cmap.cm_map[index + i][1], 1289 &cm->green[i], 1); 1290 if (error) 1291 return error; 1292 error = copyout(&sc->sc_cmap.cm_map[index + i][2], 1293 &cm->blue[i], 1); 1294 if (error) 1295 return error; 1296 } 1297 1298 return 0; 1299 } 1300 1301 void 1302 cgsix_init_screen(void *cookie, struct vcons_screen *scr, 1303 int existing, long *defattr) 1304 { 1305 struct cgsix_softc *sc = cookie; 1306 struct rasops_info *ri = &scr->scr_ri; 1307 int av; 1308 1309 ri->ri_depth = 8; 1310 ri->ri_width = sc->sc_width; 1311 ri->ri_height = sc->sc_height; 1312 ri->ri_stride = sc->sc_stride; 1313 av = sc->sc_ramsize - (sc->sc_height * sc->sc_stride); 1314 ri->ri_flg = RI_CENTER | RI_8BIT_IS_RGB; 1315 if (av > (128 * 1024)) { 1316 ri->ri_flg |= RI_ENABLE_ALPHA; 1317 } 1318 ri->ri_bits = sc->sc_fb.fb_pixels; 1319 1320 rasops_init(ri, 0, 0); 1321 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_REVERSE; 1322 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 1323 sc->sc_width / ri->ri_font->fontwidth); 1324 1325 /* enable acceleration */ 1326 ri->ri_hw = scr; 1327 ri->ri_ops.copyrows = cg6_ras_copyrows; 1328 ri->ri_ops.copycols = cg6_ras_copycols; 1329 ri->ri_ops.eraserows = cg6_ras_eraserows; 1330 ri->ri_ops.erasecols = cg6_ras_erasecols; 1331 ri->ri_ops.cursor = cgsix_cursor; 1332 if (FONT_IS_ALPHA(ri->ri_font)) { 1333 ri->ri_ops.putchar = cgsix_putchar_aa; 1334 } else 1335 ri->ri_ops.putchar = cgsix_putchar; 1336 } 1337 1338 void 1339 cgsix_rectfill(struct cgsix_softc *sc, int xs, int ys, int wi, int he, 1340 uint32_t col) 1341 { 1342 volatile struct cg6_fbc *fbc = sc->sc_fbc; 1343 1344 CG6_WAIT_READY(fbc); 1345 1346 fbc->fbc_alu = CG6_ALU_FILL; 1347 fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8; 1348 1349 fbc->fbc_fg = col; 1350 fbc->fbc_arecty = ys; 1351 fbc->fbc_arectx = xs; 1352 fbc->fbc_arecty = ys + he - 1; 1353 fbc->fbc_arectx = xs + wi - 1; 1354 CG6_DRAW(fbc); 1355 } 1356 1357 void 1358 cgsix_bitblt(void *cookie, int xs, int ys, int xd, int yd, 1359 int wi, int he, int rop) 1360 { 1361 struct cgsix_softc *sc = cookie; 1362 volatile struct cg6_fbc *fbc = sc->sc_fbc; 1363 CG6_WAIT_READY(fbc); 1364 1365 fbc->fbc_alu = rop; 1366 fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8; 1367 1368 fbc->fbc_x0 = xs; 1369 fbc->fbc_y0 = ys; 1370 fbc->fbc_x1 = xs + wi - 1; 1371 fbc->fbc_y1 = ys + he - 1; 1372 fbc->fbc_x2 = xd; 1373 fbc->fbc_y2 = yd; 1374 fbc->fbc_x3 = xd + wi - 1; 1375 fbc->fbc_y3 = yd + he - 1; 1376 CG6_BLIT(fbc); 1377 } 1378 1379 void 1380 cgsix_setup_mono(struct cgsix_softc *sc, int x, int y, int wi, int he, 1381 uint32_t fg, uint32_t bg) 1382 { 1383 volatile struct cg6_fbc *fbc=sc->sc_fbc; 1384 1385 CG6_WAIT_READY(fbc); 1386 1387 fbc->fbc_x0 = x; 1388 fbc->fbc_x1 = x + wi - 1; 1389 fbc->fbc_y0 = y; 1390 fbc->fbc_incx = 0; 1391 fbc->fbc_incy = 1; 1392 fbc->fbc_fg = fg; 1393 fbc->fbc_bg = bg; 1394 fbc->fbc_mode = GX_BLIT_NOSRC | GX_MODE_COLOR1; 1395 fbc->fbc_alu = GX_PATTERN_ONES | ROP_OSTP(GX_ROP_CLEAR, GX_ROP_SET); 1396 sc->sc_mono_width = wi; 1397 /* now feed the data into the chip */ 1398 } 1399 1400 void 1401 cgsix_feed_line(struct cgsix_softc *sc, int count, uint8_t *data) 1402 { 1403 int i; 1404 uint32_t latch, res = 0, shift; 1405 volatile struct cg6_fbc *fbc = sc->sc_fbc; 1406 1407 if (sc->sc_mono_width > 32) { 1408 /* ARGH! */ 1409 } else 1410 { 1411 shift = 24; 1412 for (i = 0; i < count; i++) { 1413 latch = data[i]; 1414 res |= latch << shift; 1415 shift -= 8; 1416 } 1417 fbc->fbc_font = res; 1418 } 1419 } 1420 1421 void 1422 cgsix_putchar(void *cookie, int row, int col, u_int c, long attr) 1423 { 1424 struct rasops_info *ri = cookie; 1425 struct wsdisplay_font *font = PICK_FONT(ri, c); 1426 struct vcons_screen *scr = ri->ri_hw; 1427 struct cgsix_softc *sc = scr->scr_cookie; 1428 int inv; 1429 1430 if ((row >= 0) && (row < ri->ri_rows) && (col >= 0) && 1431 (col < ri->ri_cols)) { 1432 1433 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1434 1435 int fg, bg, uc, i; 1436 uint8_t *data; 1437 int x, y, wi, he; 1438 volatile struct cg6_fbc *fbc = sc->sc_fbc; 1439 1440 wi = font->fontwidth; 1441 he = font->fontheight; 1442 1443 if (!CHAR_IN_FONT(c, font)) 1444 return; 1445 inv = ((attr >> 8) & WSATTR_REVERSE); 1446 if (inv) { 1447 fg = (u_char)ri->ri_devcmap[(attr >> 16) & 1448 0xff]; 1449 bg = (u_char)ri->ri_devcmap[(attr >> 24) & 1450 0xff]; 1451 } else { 1452 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 1453 0xff]; 1454 fg = (u_char)ri->ri_devcmap[(attr >> 24) & 1455 0xff]; 1456 } 1457 1458 x = ri->ri_xorigin + col * wi; 1459 y = ri->ri_yorigin + row * he; 1460 1461 if (c == 0x20) { 1462 cgsix_rectfill(sc, x, y, wi, he, bg); 1463 } else { 1464 uc = c - font->firstchar; 1465 data = (uint8_t *)font->data + uc * 1466 ri->ri_fontscale; 1467 1468 cgsix_setup_mono(sc, x, y, wi, 1, fg, bg); 1469 for (i = 0; i < he; i++) { 1470 cgsix_feed_line(sc, font->stride, 1471 data); 1472 data += font->stride; 1473 } 1474 /* put the chip back to normal */ 1475 fbc->fbc_incy = 0; 1476 } 1477 } 1478 } 1479 } 1480 1481 void 1482 cgsix_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1483 { 1484 struct rasops_info *ri = cookie; 1485 struct wsdisplay_font *font = PICK_FONT(ri, c); 1486 struct vcons_screen *scr = ri->ri_hw; 1487 struct cgsix_softc *sc = scr->scr_cookie; 1488 volatile struct cg6_fbc *fbc = sc->sc_fbc; 1489 1490 uint32_t bg, latch = 0, bg8, fg8, pixel; 1491 int i, j, shift, x, y, wi, he, r, g, b, aval; 1492 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1493 uint8_t *data8; 1494 int rv; 1495 1496 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1497 return; 1498 1499 if (!CHAR_IN_FONT(c, font)) 1500 return; 1501 1502 wi = font->fontwidth; 1503 he = font->fontheight; 1504 1505 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1506 x = ri->ri_xorigin + col * wi; 1507 y = ri->ri_yorigin + row * he; 1508 if (c == 0x20) { 1509 cgsix_rectfill(sc, x, y, wi, he, bg); 1510 return; 1511 } 1512 1513 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1514 if (rv == GC_OK) 1515 return; 1516 1517 data8 = WSFONT_GLYPH(c, font); 1518 1519 CG6_WAIT_READY(sc->sc_fbc); 1520 fbc->fbc_incx = 4; 1521 fbc->fbc_incy = 0; 1522 fbc->fbc_mode = GX_BLIT_NOSRC | GX_MODE_COLOR8; 1523 fbc->fbc_alu = CG6_ALU_COPY; 1524 fbc->fbc_clipmaxx = x + wi - 1; 1525 1526 /* 1527 * we need the RGB colours here, so get offsets into rasops_cmap 1528 */ 1529 fgo = ((attr >> 24) & 0xf) * 3; 1530 bgo = ((attr >> 16) & 0xf) * 3; 1531 1532 r0 = rasops_cmap[bgo]; 1533 r1 = rasops_cmap[fgo]; 1534 g0 = rasops_cmap[bgo + 1]; 1535 g1 = rasops_cmap[fgo + 1]; 1536 b0 = rasops_cmap[bgo + 2]; 1537 b1 = rasops_cmap[fgo + 2]; 1538 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1539 bg8 = R3G3B2(r0, g0, b0); 1540 fg8 = R3G3B2(r1, g1, b1); 1541 1542 for (i = 0; i < he; i++) { 1543 1544 CG6_WAIT_READY(fbc); 1545 fbc->fbc_x0 = x; 1546 fbc->fbc_x1 = x + 3; 1547 fbc->fbc_y0 = y + i; 1548 1549 shift = 24; 1550 for (j = 0; j < wi; j++) { 1551 aval = *data8; 1552 if (aval == 0) { 1553 pixel = bg8; 1554 } else if (aval == 255) { 1555 pixel = fg8; 1556 } else { 1557 r = aval * r1 + (255 - aval) * r0; 1558 g = aval * g1 + (255 - aval) * g0; 1559 b = aval * b1 + (255 - aval) * b0; 1560 pixel = ((r & 0xe000) >> 8) | 1561 ((g & 0xe000) >> 11) | 1562 ((b & 0xc000) >> 14); 1563 } 1564 data8++; 1565 1566 latch |= pixel << shift; 1567 if (shift == 0) { 1568 fbc->fbc_font = latch; 1569 latch = 0; 1570 shift = 24; 1571 } else 1572 shift -= 8; 1573 } 1574 if (shift != 24) 1575 fbc->fbc_font = latch; 1576 } 1577 fbc->fbc_clipmaxx = 0x3fff; 1578 1579 if (rv == GC_ADD) { 1580 glyphcache_add(&sc->sc_gc, c, x, y); 1581 } 1582 } 1583 1584 void 1585 cgsix_cursor(void *cookie, int on, int row, int col) 1586 { 1587 struct rasops_info *ri = cookie; 1588 struct vcons_screen *scr = ri->ri_hw; 1589 struct cgsix_softc *sc = scr->scr_cookie; 1590 int x, y, wi, he; 1591 1592 wi = ri->ri_font->fontwidth; 1593 he = ri->ri_font->fontheight; 1594 1595 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1596 x = ri->ri_ccol * wi + ri->ri_xorigin; 1597 y = ri->ri_crow * he + ri->ri_yorigin; 1598 if (ri->ri_flg & RI_CURSOR) { 1599 cg6_invert(sc, x, y, wi, he); 1600 ri->ri_flg &= ~RI_CURSOR; 1601 } 1602 ri->ri_crow = row; 1603 ri->ri_ccol = col; 1604 if (on) 1605 { 1606 x = ri->ri_ccol * wi + ri->ri_xorigin; 1607 y = ri->ri_crow * he + ri->ri_yorigin; 1608 cg6_invert(sc, x, y, wi, he); 1609 ri->ri_flg |= RI_CURSOR; 1610 } 1611 } else 1612 { 1613 ri->ri_crow = row; 1614 ri->ri_ccol = col; 1615 ri->ri_flg &= ~RI_CURSOR; 1616 } 1617 } 1618 1619 void 1620 cgsix_clearscreen(struct cgsix_softc *sc) 1621 { 1622 struct rasops_info *ri = &cg6_console_screen.scr_ri; 1623 1624 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1625 volatile struct cg6_fbc *fbc = sc->sc_fbc; 1626 1627 CG6_WAIT_READY(fbc); 1628 1629 fbc->fbc_alu = CG6_ALU_FILL; 1630 fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8; 1631 1632 fbc->fbc_fg = ri->ri_devcmap[sc->sc_bg]; 1633 fbc->fbc_arectx = 0; 1634 fbc->fbc_arecty = 0; 1635 fbc->fbc_arectx = ri->ri_width - 1; 1636 fbc->fbc_arecty = ri->ri_height - 1; 1637 CG6_DRAW(fbc); 1638 } 1639 } 1640 1641 #endif /* NWSDISPLAY > 0 */ 1642 1643 #if (NWSDISPLAY > 0) || defined(RASTERCONSOLE) 1644 void 1645 cg6_invert(struct cgsix_softc *sc, int x, int y, int wi, int he) 1646 { 1647 volatile struct cg6_fbc *fbc = sc->sc_fbc; 1648 1649 CG6_WAIT_READY(fbc); 1650 1651 fbc->fbc_alu = CG6_ALU_FLIP; 1652 fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8; 1653 fbc->fbc_arecty = y; 1654 fbc->fbc_arectx = x; 1655 fbc->fbc_arecty = y + he - 1; 1656 fbc->fbc_arectx = x + wi - 1; 1657 CG6_DRAW(fbc); 1658 } 1659 1660 #endif 1661 1662