agten.c revision 1.28.6.1
1 /* $NetBSD: agten.c,v 1.28.6.1 2012/11/20 03:02:32 tls Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Michael Lorenz 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: agten.c,v 1.28.6.1 2012/11/20 03:02:32 tls Exp $"); 31 32 /* 33 * a driver for the Fujitsu AG-10e SBus framebuffer 34 * 35 * this thing is Frankenstein's Monster among graphics boards. 36 * it contains three graphics chips: 37 * a GLint 300SX - 24bit stuff, double-buffered 38 * an Imagine 128 which provides an 8bit overlay 39 * a Weitek P9100 which provides WIDs 40 * so here we need to mess only with the P9100 and the I128 - for X we just 41 * hide the overlay and let the Xserver mess with the GLint 42 */ 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/device.h> 48 #include <sys/proc.h> 49 #include <sys/mutex.h> 50 #include <sys/ioctl.h> 51 #include <sys/kernel.h> 52 #include <sys/systm.h> 53 #include <sys/conf.h> 54 55 #include <dev/sun/fbio.h> 56 #include <dev/sun/fbvar.h> 57 #include <dev/sun/btreg.h> 58 #include <dev/sun/btvar.h> 59 60 #include <sys/bus.h> 61 #include <machine/autoconf.h> 62 63 #include <dev/sbus/sbusvar.h> 64 65 #include <dev/wscons/wsconsio.h> 66 #include <dev/wscons/wsdisplayvar.h> 67 #include <dev/rasops/rasops.h> 68 #include <dev/wsfont/wsfont.h> 69 70 #include <dev/wscons/wsdisplay_vconsvar.h> 71 #include <dev/wscons/wsdisplay_glyphcachevar.h> 72 73 #include <dev/sbus/p9100reg.h> 74 #include <dev/ic/ibm561reg.h> 75 #include <dev/ic/i128reg.h> 76 #include <dev/ic/i128var.h> 77 78 #include "opt_agten.h" 79 #include "ioconf.h" 80 81 static int agten_match(device_t, cfdata_t, void *); 82 static void agten_attach(device_t, device_t, void *); 83 84 static int agten_ioctl(void *, void *, u_long, void *, int, struct lwp *); 85 static paddr_t agten_mmap(void *, void *, off_t, int); 86 static void agten_init_screen(void *, struct vcons_screen *, int, long *); 87 88 struct agten_softc { 89 device_t sc_dev; /* base device */ 90 struct fbdevice sc_fb; /* frame buffer device */ 91 92 struct vcons_screen sc_console_screen; 93 struct wsscreen_descr sc_defaultscreen_descr; 94 const struct wsscreen_descr *sc_screens[1]; 95 struct wsscreen_list sc_screenlist; 96 97 bus_space_tag_t sc_bustag; 98 99 bus_space_handle_t sc_i128_fbh; 100 bus_size_t sc_i128_fbsz; 101 bus_space_handle_t sc_i128_regh; 102 bus_space_handle_t sc_p9100_regh; 103 bus_addr_t sc_glint_fb; 104 bus_addr_t sc_glint_regs; 105 uint32_t sc_glint_fbsz; 106 107 uint32_t sc_width; 108 uint32_t sc_height; /* panel width / height */ 109 uint32_t sc_stride; 110 uint32_t sc_depth; 111 112 int sc_cursor_x; 113 int sc_cursor_y; 114 int sc_video; /* video output enabled */ 115 116 /* some /dev/fb* stuff */ 117 int sc_fb_is_open; 118 119 union bt_cmap sc_cmap; /* Brooktree color map */ 120 121 int sc_mode; 122 uint32_t sc_bg; 123 124 void (*sc_putchar)(void *, int, int, u_int, long); 125 126 struct vcons_data vd; 127 glyphcache sc_gc; 128 }; 129 130 CFATTACH_DECL_NEW(agten, sizeof(struct agten_softc), 131 agten_match, agten_attach, NULL, NULL); 132 133 134 static int agten_putcmap(struct agten_softc *, struct wsdisplay_cmap *); 135 static int agten_getcmap(struct agten_softc *, struct wsdisplay_cmap *); 136 static int agten_putpalreg(struct agten_softc *, uint8_t, uint8_t, 137 uint8_t, uint8_t); 138 static void agten_init(struct agten_softc *); 139 static void agten_init_cmap(struct agten_softc *, struct rasops_info *); 140 static void agten_gfx(struct agten_softc *); 141 static void agten_set_video(struct agten_softc *, int); 142 static int agten_get_video(struct agten_softc *); 143 144 static void agten_bitblt(void *, int, int, int, int, int, int, int); 145 static void agten_rectfill(void *, int, int, int, int, long); 146 147 static void agten_putchar(void *, int, int, u_int, long); 148 static void agten_cursor(void *, int, int, int); 149 static void agten_copycols(void *, int, int, int, int); 150 static void agten_erasecols(void *, int, int, int, long); 151 static void agten_copyrows(void *, int, int, int); 152 static void agten_eraserows(void *, int, int, long); 153 154 static void agten_move_cursor(struct agten_softc *, int, int); 155 static int agten_do_cursor(struct agten_softc *sc, 156 struct wsdisplay_cursor *); 157 static int agten_do_sun_cursor(struct agten_softc *sc, 158 struct fbcursor *); 159 160 static uint16_t util_interleave(uint8_t, uint8_t); 161 static uint16_t util_interleave_lin(uint8_t, uint8_t); 162 163 extern const u_char rasops_cmap[768]; 164 165 struct wsdisplay_accessops agten_accessops = { 166 agten_ioctl, 167 agten_mmap, 168 NULL, /* alloc_screen */ 169 NULL, /* free_screen */ 170 NULL, /* show_screen */ 171 NULL, /* load_font */ 172 NULL, /* pollc */ 173 NULL /* scroll */ 174 }; 175 176 /* /dev/fb* stuff */ 177 178 static int agten_fb_open(dev_t, int, int, struct lwp *); 179 static int agten_fb_close(dev_t, int, int, struct lwp *); 180 static int agten_fb_ioctl(dev_t, u_long, void *, int, struct lwp *); 181 static paddr_t agten_fb_mmap(dev_t, off_t, int); 182 static void agten_fb_unblank(device_t); 183 184 static struct fbdriver agtenfbdriver = { 185 agten_fb_unblank, agten_fb_open, agten_fb_close, agten_fb_ioctl, 186 nopoll, agten_fb_mmap, nokqfilter 187 }; 188 189 static inline void 190 agten_write_dac(struct agten_softc *sc, int reg, uint8_t val) 191 { 192 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 193 0x200 + (reg << 2), (uint32_t)val << 16); 194 } 195 196 static inline void 197 agten_write_idx(struct agten_softc *sc, int offset) 198 { 199 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 200 0x200 + (IBM561_ADDR_LOW << 2), (offset & 0xff) << 16); 201 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 202 0x200 + (IBM561_ADDR_HIGH << 2), ((offset >> 8) & 0xff) << 16); 203 } 204 205 static inline void 206 agten_write_dac_10(struct agten_softc *sc, int reg, uint16_t val) 207 { 208 agten_write_dac(sc, reg, (val >> 2) & 0xff); 209 agten_write_dac(sc, reg, (val & 0x3) << 6); 210 } 211 212 static int 213 agten_match(device_t dev, cfdata_t cf, void *aux) 214 { 215 struct sbus_attach_args *sa = aux; 216 217 if (strcmp("PFU,aga", sa->sa_name) == 0) 218 return 100; 219 return 0; 220 } 221 222 static void 223 agten_attach(device_t parent, device_t dev, void *aux) 224 { 225 struct agten_softc *sc = device_private(dev); 226 struct sbus_attach_args *sa = aux; 227 struct fbdevice *fb = &sc->sc_fb; 228 struct wsemuldisplaydev_attach_args aa; 229 struct rasops_info *ri; 230 long defattr; 231 uint32_t reg; 232 int node = sa->sa_node; 233 int console; 234 235 sc->sc_dev = dev; 236 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 237 "default", 238 0, 0, 239 NULL, 240 8, 16, 241 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 242 NULL 243 }; 244 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 245 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 246 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 247 sc->sc_fb_is_open = 0; 248 sc->sc_video = -1; 249 sc->sc_bustag = sa->sa_bustag; 250 sc->sc_putchar = NULL; 251 252 sc->sc_width = prom_getpropint(node, "ffb_width", 1152); 253 sc->sc_height = prom_getpropint(node, "ffb_height", 900); 254 sc->sc_depth = prom_getpropint(node, "ffb_depth", 8); 255 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 256 257 reg = prom_getpropint(node, "i128_fb_physaddr", -1); 258 sc->sc_i128_fbsz = prom_getpropint(node, "i128_fb_size", -1); 259 if (sbus_bus_map(sc->sc_bustag, 260 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 261 round_page(sc->sc_stride * sc->sc_height), 262 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 263 &sc->sc_i128_fbh) != 0) { 264 265 aprint_error_dev(dev, "unable to map the framebuffer\n"); 266 return; 267 } 268 fb->fb_pixels = bus_space_vaddr(sc->sc_bustag, sc->sc_i128_fbh); 269 270 reg = prom_getpropint(node, "i128_reg_physaddr", -1); 271 if (sbus_bus_map(sc->sc_bustag, 272 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 273 0x10000, 0, &sc->sc_i128_regh) != 0) { 274 275 aprint_error_dev(dev, "unable to map I128 registers\n"); 276 return; 277 } 278 279 reg = prom_getpropint(node, "p9100_reg_physaddr", -1); 280 if (sbus_bus_map(sc->sc_bustag, 281 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 282 0x8000, 0, &sc->sc_p9100_regh) != 0) { 283 284 aprint_error_dev(dev, "unable to map P9100 registers\n"); 285 return; 286 } 287 288 reg = prom_getpropint(node, "glint_fb0_physaddr", -1); 289 sc->sc_glint_fb = sbus_bus_addr(sc->sc_bustag, 290 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 291 sc->sc_glint_fbsz = prom_getpropint(node, "glint_lb_size", -1); 292 reg = prom_getpropint(node, "glint_reg_physaddr", -1); 293 sc->sc_glint_regs = sbus_bus_addr(sc->sc_bustag, 294 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 295 296 #if 0 297 bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO, 298 agten_intr, sc); 299 #endif 300 301 printf(": %dx%d\n", sc->sc_width, sc->sc_height); 302 agten_init(sc); 303 304 console = fb_is_console(node); 305 306 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 307 &agten_accessops); 308 sc->vd.init_screen = agten_init_screen; 309 310 ri = &sc->sc_console_screen.scr_ri; 311 312 sc->sc_gc.gc_bitblt = agten_bitblt; 313 sc->sc_gc.gc_rectfill = agten_rectfill; 314 sc->sc_gc.gc_blitcookie = sc; 315 sc->sc_gc.gc_rop = CR_COPY; 316 317 #if defined(AGTEN_DEBUG) 318 sc->sc_height -= 200; 319 #endif 320 321 if (console) { 322 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 323 &defattr); 324 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 325 326 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 327 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 328 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 329 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 330 glyphcache_init(&sc->sc_gc, 331 sc->sc_height + 5, 332 (0x400000 / sc->sc_stride) - sc->sc_height - 5, 333 sc->sc_width, 334 ri->ri_font->fontwidth, 335 ri->ri_font->fontheight, 336 defattr); 337 338 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 339 defattr); 340 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, 341 sc->sc_width, sc->sc_height, 342 ri->ri_devcmap[(defattr >> 16) & 0xff]); 343 vcons_replay_msgbuf(&sc->sc_console_screen); 344 } else { 345 /* 346 * since we're not the console we can postpone the rest 347 * until someone actually allocates a screen for us 348 */ 349 if (sc->sc_console_screen.scr_ri.ri_rows == 0) { 350 /* do some minimal setup to avoid weirdnesses later */ 351 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 352 &defattr); 353 } 354 glyphcache_init(&sc->sc_gc, 355 sc->sc_height + 5, 356 (0x400000 / sc->sc_stride) - sc->sc_height - 5, 357 sc->sc_width, 358 ri->ri_font->fontwidth, 359 ri->ri_font->fontheight, 360 defattr); 361 } 362 363 /* Initialize the default color map. */ 364 agten_init_cmap(sc, ri); 365 366 aa.console = console; 367 aa.scrdata = &sc->sc_screenlist; 368 aa.accessops = &agten_accessops; 369 aa.accesscookie = &sc->vd; 370 371 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 372 373 fb->fb_driver = &agtenfbdriver; 374 fb->fb_device = sc->sc_dev; 375 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 376 fb->fb_type.fb_type = FBTYPE_AG10E; 377 fb->fb_type.fb_cmsize = 256; /* doesn't matter, we're always 24bit */ 378 fb->fb_type.fb_size = sc->sc_glint_fbsz; 379 fb->fb_type.fb_width = sc->sc_width; 380 fb->fb_type.fb_height = sc->sc_height; 381 fb->fb_type.fb_depth = 32; 382 fb->fb_linebytes = sc->sc_stride << 2; 383 fb_attach(fb, console); 384 agten_set_video(sc, 1); /* make sure video's on */ 385 } 386 387 static int 388 agten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 389 struct lwp *l) 390 { 391 struct vcons_data *vd = v; 392 struct agten_softc *sc = vd->cookie; 393 struct wsdisplay_fbinfo *wdf; 394 struct vcons_screen *ms = vd->active; 395 396 switch (cmd) { 397 398 case WSDISPLAYIO_GTYPE: 399 *(u_int *)data = WSDISPLAY_TYPE_AG10; 400 return 0; 401 402 case WSDISPLAYIO_GINFO: 403 if (ms == NULL) 404 return ENODEV; 405 wdf = (void *)data; 406 wdf->height = ms->scr_ri.ri_height; 407 wdf->width = ms->scr_ri.ri_width; 408 wdf->depth = 32; 409 wdf->cmsize = 256; 410 return 0; 411 412 case WSDISPLAYIO_GVIDEO: 413 *(int *)data = sc->sc_video; 414 return 0; 415 416 case WSDISPLAYIO_SVIDEO: 417 agten_set_video(sc, *(int *)data); 418 return 0; 419 420 case WSDISPLAYIO_GETCMAP: 421 return agten_getcmap(sc, 422 (struct wsdisplay_cmap *)data); 423 424 case WSDISPLAYIO_PUTCMAP: 425 return agten_putcmap(sc, 426 (struct wsdisplay_cmap *)data); 427 428 case WSDISPLAYIO_LINEBYTES: 429 *(u_int *)data = sc->sc_stride << 2; 430 return 0; 431 432 case WSDISPLAYIO_SMODE: 433 { 434 int new_mode = *(int*)data; 435 if (new_mode != sc->sc_mode) { 436 sc->sc_mode = new_mode; 437 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 438 agten_init(sc); 439 agten_init_cmap(sc, 440 &ms->scr_ri); 441 vcons_redraw_screen(ms); 442 } else { 443 agten_gfx(sc); 444 } 445 } 446 } 447 return 0; 448 449 case WSDISPLAYIO_GCURPOS: 450 { 451 struct wsdisplay_curpos *cp = (void *)data; 452 453 cp->x = sc->sc_cursor_x; 454 cp->y = sc->sc_cursor_y; 455 } 456 return 0; 457 458 case WSDISPLAYIO_SCURPOS: 459 { 460 struct wsdisplay_curpos *cp = (void *)data; 461 462 agten_move_cursor(sc, cp->x, cp->y); 463 } 464 return 0; 465 466 case WSDISPLAYIO_GCURMAX: 467 { 468 struct wsdisplay_curpos *cp = (void *)data; 469 470 cp->x = 64; 471 cp->y = 64; 472 } 473 return 0; 474 475 case WSDISPLAYIO_SCURSOR: 476 { 477 struct wsdisplay_cursor *cursor = (void *)data; 478 479 return agten_do_cursor(sc, cursor); 480 } 481 } 482 return EPASSTHROUGH; 483 } 484 485 static paddr_t 486 agten_mmap(void *v, void *vs, off_t offset, int prot) 487 { 488 struct vcons_data *vd = v; 489 struct agten_softc *sc = vd->cookie; 490 491 if (offset < sc->sc_glint_fbsz) 492 return bus_space_mmap(sc->sc_bustag, sc->sc_glint_fb, offset, 493 prot, BUS_SPACE_MAP_LINEAR); 494 return -1; 495 } 496 497 static void 498 agten_init_screen(void *cookie, struct vcons_screen *scr, 499 int existing, long *defattr) 500 { 501 struct agten_softc *sc = cookie; 502 struct rasops_info *ri = &scr->scr_ri; 503 504 ri->ri_depth = sc->sc_depth; 505 ri->ri_width = sc->sc_width; 506 ri->ri_height = sc->sc_height; 507 ri->ri_stride = sc->sc_stride; 508 ri->ri_flg = RI_CENTER | RI_FULLCLEAR | RI_8BIT_IS_RGB | RI_ENABLE_ALPHA; 509 510 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 511 512 if (existing) { 513 ri->ri_flg |= RI_CLEAR; 514 } 515 516 rasops_init(ri, 0, 0); 517 sc->sc_putchar = ri->ri_ops.putchar; 518 519 ri->ri_caps = WSSCREEN_WSCOLORS; 520 521 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 522 sc->sc_width / ri->ri_font->fontwidth); 523 524 ri->ri_hw = scr; 525 ri->ri_ops.putchar = agten_putchar; 526 ri->ri_ops.cursor = agten_cursor; 527 ri->ri_ops.copyrows = agten_copyrows; 528 ri->ri_ops.eraserows = agten_eraserows; 529 ri->ri_ops.copycols = agten_copycols; 530 ri->ri_ops.erasecols = agten_erasecols; 531 532 } 533 534 static int 535 agten_putcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 536 { 537 u_int index = cm->index; 538 u_int count = cm->count; 539 int i, error; 540 u_char rbuf[256], gbuf[256], bbuf[256]; 541 u_char *r, *g, *b; 542 543 if (cm->index >= 256 || cm->count > 256 || 544 (cm->index + cm->count) > 256) 545 return EINVAL; 546 error = copyin(cm->red, &rbuf[index], count); 547 if (error) 548 return error; 549 error = copyin(cm->green, &gbuf[index], count); 550 if (error) 551 return error; 552 error = copyin(cm->blue, &bbuf[index], count); 553 if (error) 554 return error; 555 556 r = &rbuf[index]; 557 g = &gbuf[index]; 558 b = &bbuf[index]; 559 560 for (i = 0; i < count; i++) { 561 agten_putpalreg(sc, index, *r, *g, *b); 562 index++; 563 r++, g++, b++; 564 } 565 return 0; 566 } 567 568 static int 569 agten_getcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 570 { 571 u_int index = cm->index; 572 u_int count = cm->count; 573 int error, i; 574 uint8_t red[256], green[256], blue[256]; 575 576 if (index >= 255 || count > 256 || index + count > 256) 577 return EINVAL; 578 579 i = index; 580 while (i < (index + count)) { 581 red[i] = sc->sc_cmap.cm_map[i][0]; 582 green[i] = sc->sc_cmap.cm_map[i][1]; 583 blue[i] = sc->sc_cmap.cm_map[i][2]; 584 i++; 585 } 586 error = copyout(&red[index], cm->red, count); 587 if (error) 588 return error; 589 error = copyout(&green[index], cm->green, count); 590 if (error) 591 return error; 592 error = copyout(&blue[index], cm->blue, count); 593 if (error) 594 return error; 595 596 return 0; 597 } 598 599 static int 600 agten_putpalreg(struct agten_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 601 uint8_t b) 602 { 603 604 sc->sc_cmap.cm_map[idx][0] = r; 605 sc->sc_cmap.cm_map[idx][1] = g; 606 sc->sc_cmap.cm_map[idx][2] = b; 607 agten_write_idx(sc, IBM561_CMAP_TABLE + idx); 608 agten_write_dac(sc, IBM561_CMD_CMAP, r); 609 agten_write_dac(sc, IBM561_CMD_CMAP, g); 610 agten_write_dac(sc, IBM561_CMD_CMAP, b); 611 return 0; 612 } 613 614 static void 615 agten_init(struct agten_softc *sc) 616 { 617 int i; 618 uint32_t src, srcw; 619 volatile uint32_t junk; 620 621 /* then we set up a linear LUT for 24bit colour */ 622 agten_write_idx(sc, IBM561_CMAP_TABLE + 256); 623 for (i = 0; i < 256; i++) { 624 agten_write_dac(sc, IBM561_CMD_CMAP, i); 625 agten_write_dac(sc, IBM561_CMD_CMAP, i); 626 agten_write_dac(sc, IBM561_CMD_CMAP, i); 627 } 628 629 /* and the linear gamma maps */ 630 agten_write_idx(sc, IBM561_RED_GAMMA_TABLE); 631 for (i = 0; i < 0x3ff; i+= 4) 632 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 633 agten_write_idx(sc, IBM561_GREEN_GAMMA_TABLE); 634 for (i = 0; i < 0x3ff; i+= 4) 635 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 636 agten_write_idx(sc, IBM561_BLUE_GAMMA_TABLE); 637 for (i = 0; i < 0x3ff; i+= 4) 638 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 639 640 /* enable outputs, RGB mode */ 641 agten_write_idx(sc, IBM561_CONFIG_REG3); 642 agten_write_dac(sc, IBM561_CMD, CR3_SERIAL_CLK_CTRL | CR3_RGB); 643 644 /* MUX 4:1 basic, 8bit overlay, 8bit WIDs */ 645 agten_write_idx(sc, IBM561_CONFIG_REG1); 646 agten_write_dac(sc, IBM561_CMD, CR1_MODE_4_1_BASIC | CR1_OVL_8BPP | 647 CR1_WID_8); 648 649 /* use external clock, enable video output */ 650 agten_write_idx(sc, IBM561_CONFIG_REG2); 651 agten_write_dac(sc, IBM561_CMD, CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | 652 CR2_PIXEL_CLOCK_SELECT | CR2_ENABLE_RGB_OUTPUT); 653 654 /* now set up some window attributes */ 655 656 /* 657 * direct colour, 24 bit, transparency off, LUT from 0x100 658 * we need to use direct colour and a linear LUT because for some 659 * reason true color mode gives messed up colours 660 */ 661 agten_write_idx(sc, IBM561_FB_WINTYPE); 662 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x100 | FB_PIXEL_24BIT | 663 FB_MODE_DIRECT); 664 665 /* use gamma LUTs, no crosshair, 0 is transparent */ 666 agten_write_idx(sc, IBM561_AUXFB_WINTYPE); 667 agten_write_dac(sc, IBM561_CMD_FB_WAT, 0x0); 668 669 /* overlay is 8 bit, opaque */ 670 agten_write_idx(sc, IBM561_OL_WINTYPE); 671 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x00); 672 673 /* now we fill the WID fb with zeroes */ 674 src = 0; 675 srcw = sc->sc_width << 16 | sc->sc_height; 676 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, FOREGROUND_COLOR, 677 0x0); 678 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, BACKGROUND_COLOR, 679 0x0); 680 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RASTER_OP, ROP_PAT); 681 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, COORD_INDEX, 0); 682 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, src); 683 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, srcw); 684 junk = bus_space_read_4(sc->sc_bustag, sc->sc_p9100_regh, COMMAND_QUAD); 685 686 /* initialize the cursor registers */ 687 688 /* initialize the Imagine 128 */ 689 i128_init(sc->sc_bustag, sc->sc_i128_regh, sc->sc_stride, 8); 690 } 691 692 static void 693 agten_init_cmap(struct agten_softc *sc, struct rasops_info *ri) 694 { 695 int i, j; 696 uint8_t cmap[768]; 697 698 rasops_get_cmap(ri, cmap, 768); 699 j = 0; 700 for (i = 0; i < 256; i++) { 701 702 agten_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); 703 j += 3; 704 } 705 } 706 707 static void 708 agten_gfx(struct agten_softc *sc) 709 { 710 /* enable overlay transparency on colour 0x00 */ 711 agten_write_idx(sc, IBM561_OL_WINTYPE); 712 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, OL_MODE_TRANSP_ENABLE); 713 714 /* then blit the overlay full of 0x00 */ 715 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, sc->sc_width, 716 sc->sc_height, 0); 717 718 /* ... so we can see the 24bit framebuffer */ 719 } 720 721 static void 722 agten_set_video(struct agten_softc *sc, int flag) 723 { 724 uint8_t reg = 725 CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | CR2_PIXEL_CLOCK_SELECT; 726 727 if (flag == sc->sc_video) 728 return; 729 730 agten_write_idx(sc, IBM561_CONFIG_REG2); 731 agten_write_dac(sc, IBM561_CMD, flag ? reg | CR2_ENABLE_RGB_OUTPUT : 732 reg); 733 734 sc->sc_video = flag; 735 } 736 737 static int 738 agten_get_video(struct agten_softc *sc) 739 { 740 741 return sc->sc_video; 742 } 743 744 static void 745 agten_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi, int he, 746 int rop) 747 { 748 struct agten_softc *sc = cookie; 749 750 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, 751 xs, ys, xd, yd, wi, he, rop); 752 } 753 754 static void 755 agten_rectfill(void *cookie, int x, int y, int wi, int he, long fg) 756 { 757 struct agten_softc *sc = cookie; 758 struct vcons_screen *scr = sc->vd.active; 759 uint32_t col; 760 761 if (scr == NULL) 762 return; 763 col = scr->scr_ri.ri_devcmap[fg]; 764 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, wi, he, col); 765 } 766 767 static void 768 agten_putchar(void *cookie, int row, int col, u_int c, long attr) 769 { 770 struct rasops_info *ri = cookie; 771 struct wsdisplay_font *font = PICK_FONT(ri, c); 772 struct vcons_screen *scr = ri->ri_hw; 773 struct agten_softc *sc = scr->scr_cookie; 774 uint32_t fg, bg; 775 int x, y, wi, he, rv; 776 777 wi = font->fontwidth; 778 he = font->fontheight; 779 780 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 781 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 782 783 x = ri->ri_xorigin + col * wi; 784 y = ri->ri_yorigin + row * he; 785 786 if (c == 0x20) { 787 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, wi, he, 788 bg); 789 if (attr & 1) 790 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, 791 y + he - 2, wi, 1, fg); 792 return; 793 } 794 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 795 if (rv == GC_OK) 796 return; 797 i128_sync(sc->sc_bustag, sc->sc_i128_regh); 798 sc->sc_putchar(cookie, row, col, c, attr & ~1); 799 800 if (rv == GC_ADD) { 801 glyphcache_add(&sc->sc_gc, c, x, y); 802 } else { 803 if (attr & 1) 804 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, 805 y + he - 2, wi, 1, fg); 806 } 807 } 808 809 static void 810 agten_cursor(void *cookie, int on, int row, int col) 811 { 812 struct rasops_info *ri = cookie; 813 struct vcons_screen *scr = ri->ri_hw; 814 struct agten_softc *sc = scr->scr_cookie; 815 int x, y, wi,he; 816 817 wi = ri->ri_font->fontwidth; 818 he = ri->ri_font->fontheight; 819 820 if (ri->ri_flg & RI_CURSOR) { 821 x = ri->ri_ccol * wi + ri->ri_xorigin; 822 y = ri->ri_crow * he + ri->ri_yorigin; 823 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, y, x, y, wi, he, 824 CR_COPY_INV); 825 ri->ri_flg &= ~RI_CURSOR; 826 } 827 828 ri->ri_crow = row; 829 ri->ri_ccol = col; 830 831 if (on) 832 { 833 x = ri->ri_ccol * wi + ri->ri_xorigin; 834 y = ri->ri_crow * he + ri->ri_yorigin; 835 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, y, x, y, wi, he, 836 CR_COPY_INV); 837 ri->ri_flg |= RI_CURSOR; 838 } 839 } 840 841 static void 842 agten_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 843 { 844 struct rasops_info *ri = cookie; 845 struct vcons_screen *scr = ri->ri_hw; 846 struct agten_softc *sc = scr->scr_cookie; 847 int32_t xs, xd, y, width, height; 848 849 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 850 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 851 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 852 width = ri->ri_font->fontwidth * ncols; 853 height = ri->ri_font->fontheight; 854 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, xs, y, xd, y, width, 855 height, CR_COPY); 856 } 857 858 static void 859 agten_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 860 { 861 struct rasops_info *ri = cookie; 862 struct vcons_screen *scr = ri->ri_hw; 863 struct agten_softc *sc = scr->scr_cookie; 864 int32_t x, y, width, height, bg; 865 866 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 867 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 868 width = ri->ri_font->fontwidth * ncols; 869 height = ri->ri_font->fontheight; 870 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 871 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 872 } 873 874 static void 875 agten_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 876 { 877 struct rasops_info *ri = cookie; 878 struct vcons_screen *scr = ri->ri_hw; 879 struct agten_softc *sc = scr->scr_cookie; 880 int32_t x, ys, yd, width, height; 881 882 x = ri->ri_xorigin; 883 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 884 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 885 width = ri->ri_emuwidth; 886 height = ri->ri_font->fontheight * nrows; 887 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, ys, x, yd, width, 888 height, CR_COPY); 889 } 890 891 static void 892 agten_eraserows(void *cookie, int row, int nrows, long fillattr) 893 { 894 struct rasops_info *ri = cookie; 895 struct vcons_screen *scr = ri->ri_hw; 896 struct agten_softc *sc = scr->scr_cookie; 897 int32_t x, y, width, height, bg; 898 899 if ((row == 0) && (nrows == ri->ri_rows)) { 900 x = y = 0; 901 width = ri->ri_width; 902 height = ri->ri_height; 903 } else { 904 x = ri->ri_xorigin; 905 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 906 width = ri->ri_emuwidth; 907 height = ri->ri_font->fontheight * nrows; 908 } 909 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 910 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 911 } 912 913 static void 914 agten_move_cursor(struct agten_softc *sc, int x, int y) 915 { 916 917 sc->sc_cursor_x = x; 918 sc->sc_cursor_y = y; 919 agten_write_idx(sc, IBM561_CURSOR_X_REG); 920 agten_write_dac(sc, IBM561_CMD, x & 0xff); 921 agten_write_dac(sc, IBM561_CMD, (x >> 8) & 0xff); 922 agten_write_dac(sc, IBM561_CMD, y & 0xff); 923 agten_write_dac(sc, IBM561_CMD, (y >> 8) & 0xff); 924 } 925 926 static int 927 agten_do_cursor(struct agten_softc *sc, struct wsdisplay_cursor *cur) 928 { 929 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 930 931 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 932 agten_write_dac(sc, IBM561_CMD, cur->enable ? 933 CURS_ENABLE : 0); 934 } 935 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 936 937 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 938 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 939 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 940 } 941 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 942 943 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 944 } 945 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 946 int i; 947 948 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 949 for (i = 0; i < cur->cmap.count; i++) { 950 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 951 agten_write_dac(sc, IBM561_CMD_CMAP, 952 cur->cmap.green[i]); 953 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 954 } 955 } 956 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 957 int i; 958 uint16_t tmp; 959 960 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 961 for (i = 0; i < 512; i++) { 962 tmp = util_interleave(cur->mask[i], cur->image[i]); 963 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 964 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 965 } 966 } 967 return 0; 968 } 969 970 static int 971 agten_do_sun_cursor(struct agten_softc *sc, struct fbcursor *cur) 972 { 973 if (cur->set & FB_CUR_SETCUR) { 974 975 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 976 agten_write_dac(sc, IBM561_CMD, cur->enable ? 977 CURS_ENABLE : 0); 978 } 979 if (cur->set & FB_CUR_SETHOT) { 980 981 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 982 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 983 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 984 } 985 if (cur->set & FB_CUR_SETPOS) { 986 987 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 988 } 989 if (cur->set & FB_CUR_SETCMAP) { 990 int i; 991 992 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 993 for (i = 0; i < cur->cmap.count; i++) { 994 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 995 agten_write_dac(sc, IBM561_CMD_CMAP, 996 cur->cmap.green[i]); 997 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 998 } 999 } 1000 if (cur->set & FB_CUR_SETSHAPE) { 1001 int i; 1002 uint16_t tmp; 1003 1004 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 1005 for (i = 0; i < 512; i++) { 1006 tmp = util_interleave_lin(cur->mask[i], cur->image[i]); 1007 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 1008 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 1009 } 1010 } 1011 return 0; 1012 } 1013 1014 uint16_t 1015 util_interleave(uint8_t b1, uint8_t b2) 1016 { 1017 int i; 1018 uint16_t ret = 0; 1019 uint16_t mask = 0x8000; 1020 uint8_t mask8 = 0x01; 1021 1022 for (i = 0; i < 8; i++) { 1023 if (b1 & mask8) 1024 ret |= mask; 1025 mask = mask >> 1; 1026 if (b2 & mask8) 1027 ret |= mask; 1028 mask = mask >> 1; 1029 mask8 = mask8 << 1; 1030 } 1031 return ret; 1032 } 1033 1034 uint16_t 1035 util_interleave_lin(uint8_t b1, uint8_t b2) 1036 { 1037 int i; 1038 uint16_t ret = 0; 1039 uint16_t mask = 0x8000; 1040 uint8_t mask8 = 0x80; 1041 1042 for (i = 0; i < 8; i++) { 1043 if (b1 & mask8) 1044 ret |= mask; 1045 mask = mask >> 1; 1046 if (b2 & mask8) 1047 ret |= mask; 1048 mask = mask >> 1; 1049 mask8 = mask8 >> 1; 1050 } 1051 return ret; 1052 } 1053 1054 /* and now the /dev/fb* stuff */ 1055 static void 1056 agten_fb_unblank(device_t dev) 1057 { 1058 struct agten_softc *sc = device_private(dev); 1059 1060 agten_init(sc); 1061 agten_set_video(sc, 1); 1062 } 1063 1064 static int 1065 agten_fb_open(dev_t dev, int flags, int mode, struct lwp *l) 1066 { 1067 struct agten_softc *sc; 1068 1069 sc = device_lookup_private(&agten_cd, minor(dev)); 1070 if (sc == NULL) 1071 return (ENXIO); 1072 if (sc->sc_fb_is_open) 1073 return 0; 1074 1075 sc->sc_fb_is_open++; 1076 agten_gfx(sc); 1077 1078 return (0); 1079 } 1080 1081 static int 1082 agten_fb_close(dev_t dev, int flags, int mode, struct lwp *l) 1083 { 1084 struct agten_softc *sc; 1085 1086 sc = device_lookup_private(&agten_cd, minor(dev)); 1087 1088 sc->sc_fb_is_open--; 1089 if (sc->sc_fb_is_open < 0) 1090 sc->sc_fb_is_open = 0; 1091 1092 if (sc->sc_fb_is_open == 0) { 1093 agten_init(sc); 1094 vcons_redraw_screen(sc->vd.active); 1095 } 1096 1097 return (0); 1098 } 1099 1100 static int 1101 agten_fb_ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 1102 { 1103 struct agten_softc *sc = device_lookup_private(&agten_cd, minor(dev)); 1104 struct fbgattr *fba; 1105 int error; 1106 1107 switch (cmd) { 1108 1109 case FBIOGTYPE: 1110 *(struct fbtype *)data = sc->sc_fb.fb_type; 1111 break; 1112 1113 case FBIOGATTR: 1114 fba = (struct fbgattr *)data; 1115 fba->real_type = sc->sc_fb.fb_type.fb_type; 1116 fba->owner = 0; /* XXX ??? */ 1117 fba->fbtype = sc->sc_fb.fb_type; 1118 fba->sattr.flags = 0; 1119 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 1120 fba->sattr.dev_specific[0] = -1; 1121 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 1122 fba->emu_types[1] = -1; 1123 break; 1124 1125 case FBIOGETCMAP: 1126 #define p ((struct fbcmap *)data) 1127 return (bt_getcmap(p, &sc->sc_cmap, 256, 1)); 1128 1129 case FBIOPUTCMAP: 1130 /* copy to software map */ 1131 error = bt_putcmap(p, &sc->sc_cmap, 256, 1); 1132 if (error) 1133 return (error); 1134 /* now blast them into the chip */ 1135 /* don't bother - we're 24bit */ 1136 #undef p 1137 break; 1138 1139 case FBIOGVIDEO: 1140 *(int *)data = agten_get_video(sc); 1141 break; 1142 1143 case FBIOSVIDEO: 1144 agten_set_video(sc, *(int *)data); 1145 break; 1146 1147 /* these are for both FBIOSCURSOR and FBIOGCURSOR */ 1148 #define p ((struct fbcursor *)data) 1149 #define pc (&sc->sc_cursor) 1150 1151 case FBIOGCURSOR: 1152 /* does anyone use this ioctl?! */ 1153 p->set = FB_CUR_SETALL; /* close enough, anyway */ 1154 p->enable = 1; 1155 p->pos.x = sc->sc_cursor_x; 1156 p->pos.y = sc->sc_cursor_y; 1157 p->size.x = 64; 1158 p->size.y = 64; 1159 break; 1160 1161 case FBIOSCURSOR: 1162 agten_do_sun_cursor(sc, p); 1163 break; 1164 1165 #undef p 1166 #undef cc 1167 1168 case FBIOGCURPOS: 1169 { 1170 struct fbcurpos *cp = (struct fbcurpos *)data; 1171 cp->x = sc->sc_cursor_x; 1172 cp->y = sc->sc_cursor_y; 1173 } 1174 break; 1175 1176 case FBIOSCURPOS: 1177 { 1178 struct fbcurpos *cp = (struct fbcurpos *)data; 1179 agten_move_cursor(sc, cp->x, cp->y); 1180 } 1181 break; 1182 1183 case FBIOGCURMAX: 1184 /* max cursor size is 64x64 */ 1185 ((struct fbcurpos *)data)->x = 64; 1186 ((struct fbcurpos *)data)->y = 64; 1187 break; 1188 1189 default: 1190 return (ENOTTY); 1191 } 1192 return (0); 1193 } 1194 1195 static paddr_t 1196 agten_fb_mmap(dev_t dev, off_t off, int prot) 1197 { 1198 struct agten_softc *sc = device_lookup_private(&agten_cd, minor(dev)); 1199 1200 /* 1201 * mappings are subject to change 1202 * for now we put the framebuffer at offset 0 and the GLint registers 1203 * right after that. We may want to expose more register ranges and 1204 * probably will want to map the 2nd framebuffer as well 1205 */ 1206 1207 if (off < 0) 1208 return EINVAL; 1209 1210 if (off >= sc->sc_glint_fbsz + 0x10000) 1211 return EINVAL; 1212 1213 if (off < sc->sc_glint_fbsz) { 1214 return (bus_space_mmap(sc->sc_bustag, 1215 sc->sc_glint_fb, 1216 off, 1217 prot, 1218 BUS_SPACE_MAP_LINEAR)); 1219 } 1220 1221 off -= sc->sc_glint_fbsz; 1222 if (off < 0x10000) { 1223 return (bus_space_mmap(sc->sc_bustag, 1224 sc->sc_glint_regs, 1225 off, 1226 prot, 1227 BUS_SPACE_MAP_LINEAR)); 1228 } 1229 return EINVAL; 1230 } 1231
Indexes created Thu Oct 23 22:10:10 GMT 2025