agten.c revision 1.5
1 /* $NetBSD: agten.c,v 1.5 2007/08/30 04:18:18 macallan 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 * 3. Neither the name of The NetBSD Foundation nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: agten.c,v 1.5 2007/08/30 04:18:18 macallan Exp $"); 34 35 /* 36 * a driver for the Fujitsu AG-10e SBus framebuffer 37 * 38 * this thing is Frankenstein's Monster among graphics boards. 39 * it contains three graphics chips: 40 * a GLint - 24bit stuff, double-buffered 41 * an Imagine 128 which provides an 8bit overlay 42 * a Weitek P9100 which provides WIDs 43 * so here we need to mess only with the P9100 and the I128 - for X we just 44 * hide the overlay and let the Xserver mess with the GLint 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/device.h> 51 #include <sys/proc.h> 52 #include <sys/mutex.h> 53 #include <sys/ioctl.h> 54 #include <sys/kernel.h> 55 #include <sys/systm.h> 56 #include <sys/conf.h> 57 58 #include <dev/sun/fbio.h> 59 #include <dev/sun/fbvar.h> 60 #include <dev/sun/btreg.h> 61 #include <dev/sun/btvar.h> 62 63 #include <machine/bus.h> 64 #include <machine/autoconf.h> 65 66 #include <dev/sbus/sbusvar.h> 67 68 #include <dev/wscons/wsconsio.h> 69 #include <dev/wscons/wsdisplayvar.h> 70 #include <dev/rasops/rasops.h> 71 #include <dev/wsfont/wsfont.h> 72 73 #include <dev/wscons/wsdisplay_vconsvar.h> 74 75 #include <dev/sbus/p9100reg.h> 76 #include <dev/ic/ibm561reg.h> 77 #include <dev/ic/i128reg.h> 78 #include <dev/ic/i128var.h> 79 80 #include "opt_agten.h" 81 82 static int agten_match(struct device *, struct cfdata *, void *); 83 static void agten_attach(struct device *, struct device *, void *); 84 85 static int agten_ioctl(void *, void *, u_long, void *, int, struct lwp *); 86 static paddr_t agten_mmap(void *, void *, off_t, int); 87 static void agten_init_screen(void *, struct vcons_screen *, int, long *); 88 89 struct agten_softc { 90 struct device sc_dev; /* base device */ 91 struct sbusdev sc_sd; /* sbus device */ 92 struct fbdevice sc_fb; /* frame buffer device */ 93 94 struct vcons_screen sc_console_screen; 95 struct wsscreen_descr sc_defaultscreen_descr; 96 const struct wsscreen_descr *sc_screens[1]; 97 struct wsscreen_list sc_screenlist; 98 99 bus_space_tag_t sc_bustag; 100 101 bus_space_handle_t sc_i128_fbh; 102 bus_size_t sc_i128_fbsz; 103 bus_space_handle_t sc_i128_regh; 104 bus_space_handle_t sc_p9100_regh; 105 bus_addr_t sc_glint_fb; 106 bus_addr_t sc_glint_regs; 107 uint32_t sc_glint_fbsz; 108 109 uint32_t sc_width; 110 uint32_t sc_height; /* panel width / height */ 111 uint32_t sc_stride; 112 uint32_t sc_depth; 113 114 int sc_cursor_x; 115 int sc_cursor_y; 116 117 /* some /dev/fb* stuff */ 118 int sc_fb_is_open; 119 120 union bt_cmap sc_cmap; /* Brooktree color map */ 121 122 int sc_mode; 123 int sc_video, sc_powerstate; 124 uint32_t sc_bg; 125 struct vcons_data vd; 126 }; 127 128 CFATTACH_DECL(agten, sizeof(struct agten_softc), 129 agten_match, agten_attach, NULL, NULL); 130 131 132 static int agten_putcmap(struct agten_softc *, struct wsdisplay_cmap *); 133 static int agten_getcmap(struct agten_softc *, struct wsdisplay_cmap *); 134 static int agten_putpalreg(struct agten_softc *, uint8_t, uint8_t, 135 uint8_t, uint8_t); 136 static void agten_init(struct agten_softc *); 137 static void agten_gfx(struct agten_softc *); 138 static void agten_set_video(struct agten_softc *, int); 139 static int agten_get_video(struct agten_softc *); 140 141 static void agten_copycols(void *, int, int, int, int); 142 static void agten_erasecols(void *, int, int, int, long); 143 static void agten_copyrows(void *, int, int, int); 144 static void agten_eraserows(void *, int, int, long); 145 146 static void agten_move_cursor(struct agten_softc *, int, int); 147 static int agten_do_cursor(struct agten_softc *sc, 148 struct wsdisplay_cursor *); 149 static int agten_do_sun_cursor(struct agten_softc *sc, 150 struct fbcursor *); 151 152 uint16_t util_interleave(uint8_t, uint8_t); 153 uint16_t util_interleave_lin(uint8_t, uint8_t); 154 155 extern const u_char rasops_cmap[768]; 156 157 struct wsdisplay_accessops agten_accessops = { 158 agten_ioctl, 159 agten_mmap, 160 NULL, /* alloc_screen */ 161 NULL, /* free_screen */ 162 NULL, /* show_screen */ 163 NULL, /* load_font */ 164 NULL, /* pollc */ 165 NULL /* scroll */ 166 }; 167 168 /* /dev/fb* stuff */ 169 extern struct cfdriver agten_cd; 170 171 static int agten_fb_open(dev_t, int, int, struct lwp *); 172 static int agten_fb_close(dev_t, int, int, struct lwp *); 173 static int agten_fb_ioctl(dev_t, u_long, void *, int, struct lwp *); 174 static paddr_t agten_fb_mmap(dev_t, off_t, int); 175 static void agten_fb_unblank(struct device *); 176 177 static struct fbdriver agtenfbdriver = { 178 agten_fb_unblank, agten_fb_open, agten_fb_close, agten_fb_ioctl, 179 nopoll, agten_fb_mmap, nokqfilter 180 }; 181 182 static inline void 183 agten_write_dac(struct agten_softc *sc, int reg, uint8_t val) 184 { 185 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 186 0x200 + (reg << 2), (uint32_t)val << 16); 187 } 188 189 static inline void 190 agten_write_idx(struct agten_softc *sc, int offset) 191 { 192 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 193 0x200 + (IBM561_ADDR_LOW << 2), (offset & 0xff) << 16); 194 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 195 0x200 + (IBM561_ADDR_HIGH << 2), ((offset >> 8) & 0xff) << 16); 196 } 197 198 static inline void 199 agten_write_dac_10(struct agten_softc *sc, int reg, uint16_t val) 200 { 201 agten_write_dac(sc, reg, (val >> 2) & 0xff); 202 agten_write_dac(sc, reg, (val & 0x3) << 6); 203 } 204 205 static int 206 agten_match(struct device *dev, struct cfdata *cf, void *aux) 207 { 208 struct sbus_attach_args *sa = aux; 209 210 if (strcmp("PFU,aga", sa->sa_name) == 0) 211 return 100; 212 return 0; 213 } 214 215 static void 216 agten_attach(struct device *parent, struct device *dev, void *aux) 217 { 218 struct agten_softc *sc = (struct agten_softc *)dev; 219 struct sbus_attach_args *sa = aux; 220 struct fbdevice *fb = &sc->sc_fb; 221 struct wsemuldisplaydev_attach_args aa; 222 struct rasops_info *ri; 223 long defattr; 224 uint32_t reg; 225 int node = sa->sa_node; 226 int console; 227 228 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 229 "default", 230 0, 0, 231 NULL, 232 8, 16, 233 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 234 NULL 235 }; 236 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 237 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 238 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 239 sc->sc_fb_is_open = 0; 240 sc->sc_bustag = sa->sa_bustag; 241 #if 0 242 sc->sc_shadowfb = malloc(sc->sc_fbsize, M_DEVBUF, M_WAITOK); 243 244 dict = device_properties(&sc->sc_dev); 245 246 prop_dictionary_get_bool(dict, "is_console", &console); 247 #endif 248 249 reg = prom_getpropint(node, "i128_fb_physaddr", -1); 250 sc->sc_i128_fbsz = prom_getpropint(node, "i128_fb_size", -1); 251 if (sbus_bus_map(sc->sc_bustag, 252 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 253 sc->sc_i128_fbsz, BUS_SPACE_MAP_LINEAR, &sc->sc_i128_fbh) != 0) { 254 255 aprint_error("%s: unable to map the framebuffer\n", 256 dev->dv_xname); 257 return; 258 } 259 fb->fb_pixels = bus_space_vaddr(sc->sc_bustag, sc->sc_i128_fbh); 260 261 reg = prom_getpropint(node, "i128_reg_physaddr", -1); 262 if (sbus_bus_map(sc->sc_bustag, 263 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 264 0x10000, 0, &sc->sc_i128_regh) != 0) { 265 266 aprint_error("%s: unable to map I128 registers\n", 267 dev->dv_xname); 268 return; 269 } 270 271 reg = prom_getpropint(node, "p9100_reg_physaddr", -1); 272 if (sbus_bus_map(sc->sc_bustag, 273 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 274 0x8000, 0, &sc->sc_p9100_regh) != 0) { 275 276 aprint_error("%s: unable to map P9100 registers\n", 277 dev->dv_xname); 278 return; 279 } 280 281 reg = prom_getpropint(node, "glint_fb0_physaddr", -1); 282 sc->sc_glint_fb = sbus_bus_addr(sc->sc_bustag, 283 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 284 sc->sc_glint_fbsz = prom_getpropint(node, "glint_fb0_size", -1); 285 reg = prom_getpropint(node, "glint_reg_physaddr", -1); 286 sc->sc_glint_regs = sbus_bus_addr(sc->sc_bustag, 287 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 288 289 sbus_establish(&sc->sc_sd, &sc->sc_dev); 290 #if 0 291 bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO, 292 agten_intr, sc); 293 #endif 294 295 sc->sc_width = prom_getpropint(node, "ffb_width", 800); 296 sc->sc_height = prom_getpropint(node, "ffb_height", 600); 297 sc->sc_depth = prom_getpropint(node, "ffb_depth", 8); 298 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 299 300 agten_init(sc); 301 302 console = fb_is_console(node); 303 304 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 305 &agten_accessops); 306 sc->vd.init_screen = agten_init_screen; 307 308 ri = &sc->sc_console_screen.scr_ri; 309 310 if (console) { 311 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 312 &defattr); 313 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 314 315 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 316 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 317 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 318 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 319 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 320 defattr); 321 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, 322 sc->sc_width, sc->sc_height, 323 ri->ri_devcmap[(defattr >> 16) & 0xff]); 324 } else { 325 /* 326 * since we're not the console we can postpone the rest 327 * until someone actually allocates a screen for us 328 */ 329 } 330 331 /* Initialize the default color map. */ 332 333 aa.console = console; 334 aa.scrdata = &sc->sc_screenlist; 335 aa.accessops = &agten_accessops; 336 aa.accesscookie = &sc->vd; 337 338 config_found(&sc->sc_dev, &aa, wsemuldisplaydevprint); 339 340 fb->fb_driver = &agtenfbdriver; 341 fb->fb_device = &sc->sc_dev; 342 fb->fb_flags = device_cfdata(&sc->sc_dev)->cf_flags & FB_USERMASK; 343 fb->fb_type.fb_type = FBTYPE_AG10E; 344 fb->fb_type.fb_cmsize = 256; /* doesn't matter, we're always 24bit */ 345 fb->fb_type.fb_size = sc->sc_glint_fbsz; 346 fb->fb_type.fb_width = sc->sc_width; 347 fb->fb_type.fb_height = sc->sc_height; 348 fb->fb_type.fb_depth = 32; 349 fb->fb_linebytes = sc->sc_stride; 350 fb_attach(fb, console); 351 352 } 353 354 static int 355 agten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 356 struct lwp *l) 357 { 358 struct vcons_data *vd = v; 359 struct agten_softc *sc = vd->cookie; 360 struct wsdisplay_fbinfo *wdf; 361 struct vcons_screen *ms = vd->active; 362 363 switch (cmd) { 364 365 case WSDISPLAYIO_GTYPE: 366 *(u_int *)data = WSDISPLAY_TYPE_AG10; 367 return 0; 368 369 case WSDISPLAYIO_GINFO: 370 if (ms == NULL) 371 return ENODEV; 372 wdf = (void *)data; 373 wdf->height = ms->scr_ri.ri_height; 374 wdf->width = ms->scr_ri.ri_width; 375 wdf->depth = 32; 376 wdf->cmsize = 256; 377 return 0; 378 379 case WSDISPLAYIO_GETCMAP: 380 return agten_getcmap(sc, 381 (struct wsdisplay_cmap *)data); 382 383 case WSDISPLAYIO_PUTCMAP: 384 return agten_putcmap(sc, 385 (struct wsdisplay_cmap *)data); 386 387 case WSDISPLAYIO_LINEBYTES: 388 *(u_int *)data = sc->sc_stride << 2; 389 return 0; 390 391 case WSDISPLAYIO_SMODE: 392 { 393 int new_mode = *(int*)data; 394 if (new_mode != sc->sc_mode) { 395 sc->sc_mode = new_mode; 396 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 397 agten_init(sc); 398 vcons_redraw_screen(ms); 399 } else { 400 agten_gfx(sc); 401 } 402 } 403 } 404 return 0; 405 406 case WSDISPLAYIO_GCURPOS: 407 { 408 struct wsdisplay_curpos *cp = (void *)data; 409 410 cp->x = sc->sc_cursor_x; 411 cp->y = sc->sc_cursor_y; 412 } 413 return 0; 414 415 case WSDISPLAYIO_SCURPOS: 416 { 417 struct wsdisplay_curpos *cp = (void *)data; 418 419 agten_move_cursor(sc, cp->x, cp->y); 420 } 421 return 0; 422 423 case WSDISPLAYIO_GCURMAX: 424 { 425 struct wsdisplay_curpos *cp = (void *)data; 426 427 cp->x = 64; 428 cp->y = 64; 429 } 430 return 0; 431 432 case WSDISPLAYIO_SCURSOR: 433 { 434 struct wsdisplay_cursor *cursor = (void *)data; 435 436 return agten_do_cursor(sc, cursor); 437 } 438 } 439 return EPASSTHROUGH; 440 } 441 442 static paddr_t 443 agten_mmap(void *v, void *vs, off_t offset, int prot) 444 { 445 struct vcons_data *vd = v; 446 struct agten_softc *sc = vd->cookie; 447 448 if (offset < sc->sc_glint_fbsz) 449 return bus_space_mmap(sc->sc_bustag, sc->sc_glint_fb, offset, 450 prot, BUS_SPACE_MAP_LINEAR); 451 return -1; 452 } 453 454 static void 455 agten_init_screen(void *cookie, struct vcons_screen *scr, 456 int existing, long *defattr) 457 { 458 struct agten_softc *sc = cookie; 459 struct rasops_info *ri = &scr->scr_ri; 460 461 ri->ri_depth = sc->sc_depth; 462 ri->ri_width = sc->sc_width; 463 ri->ri_height = sc->sc_height; 464 ri->ri_stride = sc->sc_stride; 465 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 466 467 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 468 469 if (existing) { 470 ri->ri_flg |= RI_CLEAR; 471 } 472 473 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 474 ri->ri_caps = WSSCREEN_WSCOLORS; 475 476 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 477 sc->sc_width / ri->ri_font->fontwidth); 478 479 ri->ri_hw = scr; 480 ri->ri_ops.copyrows = agten_copyrows; 481 ri->ri_ops.eraserows = agten_eraserows; 482 ri->ri_ops.copycols = agten_copycols; 483 ri->ri_ops.erasecols = agten_erasecols; 484 485 } 486 487 static int 488 agten_putcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 489 { 490 u_int index = cm->index; 491 u_int count = cm->count; 492 int i, error; 493 u_char rbuf[256], gbuf[256], bbuf[256]; 494 u_char *r, *g, *b; 495 496 if (cm->index >= 256 || cm->count > 256 || 497 (cm->index + cm->count) > 256) 498 return EINVAL; 499 error = copyin(cm->red, &rbuf[index], count); 500 if (error) 501 return error; 502 error = copyin(cm->green, &gbuf[index], count); 503 if (error) 504 return error; 505 error = copyin(cm->blue, &bbuf[index], count); 506 if (error) 507 return error; 508 509 r = &rbuf[index]; 510 g = &gbuf[index]; 511 b = &bbuf[index]; 512 513 for (i = 0; i < count; i++) { 514 agten_putpalreg(sc, index, *r, *g, *b); 515 index++; 516 r++, g++, b++; 517 } 518 return 0; 519 } 520 521 static int 522 agten_getcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 523 { 524 u_int index = cm->index; 525 u_int count = cm->count; 526 int error, i; 527 uint8_t red[256], green[256], blue[256]; 528 529 if (index >= 255 || count > 256 || index + count > 256) 530 return EINVAL; 531 532 i = index; 533 while (i < (index + count)) { 534 red[i] = sc->sc_cmap.cm_map[i][0]; 535 green[i] = sc->sc_cmap.cm_map[i][1]; 536 blue[i] = sc->sc_cmap.cm_map[i][2]; 537 i++; 538 } 539 error = copyout(&red[index], cm->red, count); 540 if (error) 541 return error; 542 error = copyout(&green[index], cm->green, count); 543 if (error) 544 return error; 545 error = copyout(&blue[index], cm->blue, count); 546 if (error) 547 return error; 548 549 return 0; 550 } 551 552 static int 553 agten_putpalreg(struct agten_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 554 uint8_t b) 555 { 556 557 sc->sc_cmap.cm_map[idx][0] = r; 558 sc->sc_cmap.cm_map[idx][1] = g; 559 sc->sc_cmap.cm_map[idx][2] = b; 560 agten_write_idx(sc, IBM561_CMAP_TABLE + idx); 561 agten_write_dac(sc, IBM561_CMD_CMAP, r); 562 agten_write_dac(sc, IBM561_CMD_CMAP, g); 563 agten_write_dac(sc, IBM561_CMD_CMAP, b); 564 return 0; 565 } 566 567 static void 568 agten_init(struct agten_softc *sc) 569 { 570 int i, j; 571 uint32_t src, srcw; 572 volatile uint32_t junk; 573 574 /* first we set up the colour map */ 575 j = 0; 576 for (i = 0; i < 256; i++) { 577 578 agten_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 579 rasops_cmap[j + 2]); 580 j += 3; 581 } 582 583 /* then we set up a linear LUT for 24bit colour */ 584 agten_write_idx(sc, IBM561_CMAP_TABLE + 256); 585 for (i = 0; i < 256; i++) { 586 agten_write_dac(sc, IBM561_CMD_CMAP, i); 587 agten_write_dac(sc, IBM561_CMD_CMAP, i); 588 agten_write_dac(sc, IBM561_CMD_CMAP, i); 589 } 590 591 /* and the linear gamma maps */ 592 agten_write_idx(sc, IBM561_RED_GAMMA_TABLE); 593 for (i = 0; i < 0x3ff; i+= 4) 594 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 595 agten_write_idx(sc, IBM561_GREEN_GAMMA_TABLE); 596 for (i = 0; i < 0x3ff; i+= 4) 597 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 598 agten_write_idx(sc, IBM561_BLUE_GAMMA_TABLE); 599 for (i = 0; i < 0x3ff; i+= 4) 600 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 601 602 /* enable outouts, RGB mode */ 603 agten_write_idx(sc, IBM561_CONFIG_REG3); 604 agten_write_dac(sc, IBM561_CMD, 0x41); 605 606 /* MUX 4:1 basic, 8bit overlay, 8bit WIDs */ 607 agten_write_idx(sc, IBM561_CONFIG_REG1); 608 agten_write_dac(sc, IBM561_CMD, 0x2c); 609 610 /* now set up some window attributes */ 611 612 /* 613 * direct colour, 24 bit, transparency off, LUT from 0x100 614 * we need to use direct colour and a linear LUT because for some 615 * reason true color mode gives messed up colours 616 */ 617 agten_write_idx(sc, IBM561_FB_WINTYPE); 618 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x134); 619 620 /* use gamma LUTs, no crosshair, 0 is transparent */ 621 agten_write_idx(sc, IBM561_AUXFB_WINTYPE); 622 agten_write_dac(sc, IBM561_CMD_FB_WAT, 0x0); 623 624 /* overlay is 8 bit, opaque */ 625 agten_write_idx(sc, IBM561_OL_WINTYPE); 626 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x00); 627 628 /* now we fill the WID fb with zeroes */ 629 src = 0; 630 srcw = sc->sc_width << 16 | sc->sc_height; 631 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, FOREGROUND_COLOR, 632 0x0); 633 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, BACKGROUND_COLOR, 634 0x0); 635 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RASTER_OP, ROP_PAT); 636 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, COORD_INDEX, 0); 637 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, src); 638 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, srcw); 639 junk = bus_space_read_4(sc->sc_bustag, sc->sc_p9100_regh, COMMAND_QUAD); 640 641 /* initialize the cursor registers */ 642 643 /* initialize the Imagine 128 */ 644 i128_init(sc->sc_bustag, sc->sc_i128_regh, sc->sc_stride, 8); 645 } 646 647 static void 648 agten_gfx(struct agten_softc *sc) 649 { 650 /* enable overlay transparency on colour 0x00 */ 651 agten_write_idx(sc, IBM561_OL_WINTYPE); 652 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x01); 653 654 /* then blit the overlay full of 0x00 */ 655 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, sc->sc_width, 656 sc->sc_height, 0); 657 658 /* ... so we can see the 24bit framebuffer */ 659 } 660 661 static void 662 agten_set_video(struct agten_softc *sc, int flag) 663 { 664 /* not there yet */ 665 } 666 667 static int 668 agten_get_video(struct agten_softc *sc) 669 { 670 /* since we don't turn video off yet */ 671 return 1; 672 } 673 674 static void 675 agten_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 676 { 677 struct rasops_info *ri = cookie; 678 struct vcons_screen *scr = ri->ri_hw; 679 struct agten_softc *sc = scr->scr_cookie; 680 int32_t xs, xd, y, width, height; 681 682 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 683 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 684 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 685 width = ri->ri_font->fontwidth * ncols; 686 height = ri->ri_font->fontheight; 687 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, xs, y, xd, y, width, 688 height, CR_COPY); 689 } 690 691 static void 692 agten_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 693 { 694 struct rasops_info *ri = cookie; 695 struct vcons_screen *scr = ri->ri_hw; 696 struct agten_softc *sc = scr->scr_cookie; 697 int32_t x, y, width, height, bg; 698 699 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 700 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 701 width = ri->ri_font->fontwidth * ncols; 702 height = ri->ri_font->fontheight; 703 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 704 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 705 } 706 707 static void 708 agten_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 709 { 710 struct rasops_info *ri = cookie; 711 struct vcons_screen *scr = ri->ri_hw; 712 struct agten_softc *sc = scr->scr_cookie; 713 int32_t x, ys, yd, width, height; 714 715 x = ri->ri_xorigin; 716 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 717 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 718 width = ri->ri_emuwidth; 719 height = ri->ri_font->fontheight * nrows; 720 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, ys, x, yd, width, 721 height, CR_COPY); 722 } 723 724 static void 725 agten_eraserows(void *cookie, int row, int nrows, long fillattr) 726 { 727 struct rasops_info *ri = cookie; 728 struct vcons_screen *scr = ri->ri_hw; 729 struct agten_softc *sc = scr->scr_cookie; 730 int32_t x, y, width, height, bg; 731 732 if ((row == 0) && (nrows == ri->ri_rows)) { 733 x = y = 0; 734 width = ri->ri_width; 735 height = ri->ri_height; 736 } else { 737 x = ri->ri_xorigin; 738 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 739 width = ri->ri_emuwidth; 740 height = ri->ri_font->fontheight * nrows; 741 } 742 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 743 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 744 } 745 746 static void 747 agten_move_cursor(struct agten_softc *sc, int x, int y) 748 { 749 750 sc->sc_cursor_x = x; 751 sc->sc_cursor_y = y; 752 agten_write_idx(sc, IBM561_CURSOR_X_REG); 753 agten_write_dac(sc, IBM561_CMD, x & 0xff); 754 agten_write_dac(sc, IBM561_CMD, (x >> 8) & 0xff); 755 agten_write_dac(sc, IBM561_CMD, y & 0xff); 756 agten_write_dac(sc, IBM561_CMD, (y >> 8) & 0xff); 757 } 758 759 static int 760 agten_do_cursor(struct agten_softc *sc, struct wsdisplay_cursor *cur) 761 { 762 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 763 764 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 765 agten_write_dac(sc, IBM561_CMD, cur->enable ? 766 CURS_ENABLE : 0); 767 } 768 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 769 770 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 771 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 772 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 773 } 774 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 775 776 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 777 } 778 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 779 int i; 780 781 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 782 for (i = 0; i < cur->cmap.count; i++) { 783 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 784 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.green[i]); 785 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 786 } 787 } 788 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 789 int i; 790 uint16_t tmp; 791 792 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 793 for (i = 0; i < 512; i++) { 794 tmp = util_interleave(cur->mask[i], cur->image[i]); 795 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 796 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 797 } 798 } 799 return 0; 800 } 801 802 static int 803 agten_do_sun_cursor(struct agten_softc *sc, struct fbcursor *cur) 804 { 805 if (cur->set & FB_CUR_SETCUR) { 806 807 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 808 agten_write_dac(sc, IBM561_CMD, cur->enable ? 809 CURS_ENABLE : 0); 810 } 811 if (cur->set & FB_CUR_SETHOT) { 812 813 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 814 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 815 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 816 } 817 if (cur->set & FB_CUR_SETPOS) { 818 819 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 820 } 821 if (cur->set & FB_CUR_SETCMAP) { 822 int i; 823 824 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 825 for (i = 0; i < cur->cmap.count; i++) { 826 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 827 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.green[i]); 828 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 829 } 830 } 831 if (cur->set & FB_CUR_SETSHAPE) { 832 int i; 833 uint16_t tmp; 834 835 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 836 for (i = 0; i < 512; i++) { 837 tmp = util_interleave_lin(cur->mask[i], cur->image[i]); 838 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 839 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 840 } 841 } 842 return 0; 843 } 844 845 uint16_t 846 util_interleave(uint8_t b1, uint8_t b2) 847 { 848 int i; 849 uint16_t ret = 0; 850 uint16_t mask = 0x8000; 851 uint8_t mask8 = 0x01; 852 853 for (i = 0; i < 8; i++) { 854 if (b1 & mask8) 855 ret |= mask; 856 mask = mask >> 1; 857 if (b2 & mask8) 858 ret |= mask; 859 mask = mask >> 1; 860 mask8 = mask8 << 1; 861 } 862 return ret; 863 } 864 865 uint16_t 866 util_interleave_lin(uint8_t b1, uint8_t b2) 867 { 868 int i; 869 uint16_t ret = 0; 870 uint16_t mask = 0x8000; 871 uint8_t mask8 = 0x80; 872 873 for (i = 0; i < 8; i++) { 874 if (b1 & mask8) 875 ret |= mask; 876 mask = mask >> 1; 877 if (b2 & mask8) 878 ret |= mask; 879 mask = mask >> 1; 880 mask8 = mask8 >> 1; 881 } 882 return ret; 883 } 884 885 /* and now the /dev/fb* stuff */ 886 static void 887 agten_fb_unblank(struct device *dev) 888 { 889 /* nothing yet */ 890 } 891 892 static int 893 agten_fb_open(dev_t dev, int flags, int mode, struct lwp *l) 894 { 895 struct agten_softc *sc = agten_cd.cd_devs[minor(dev)]; 896 int unit = minor(dev); 897 898 if (unit >= agten_cd.cd_ndevs || agten_cd.cd_devs[unit] == NULL) 899 return (ENXIO); 900 if (sc->sc_fb_is_open) 901 return 0; 902 903 sc->sc_fb_is_open++; 904 agten_gfx(sc); 905 906 return (0); 907 } 908 909 static int 910 agten_fb_close(dev_t dev, int flags, int mode, struct lwp *l) 911 { 912 struct agten_softc *sc = agten_cd.cd_devs[minor(dev)]; 913 914 sc->sc_fb_is_open--; 915 if (sc->sc_fb_is_open < 0) 916 sc->sc_fb_is_open = 0; 917 918 if (sc->sc_fb_is_open == 0) { 919 agten_init(sc); 920 vcons_redraw_screen(sc->vd.active); 921 } 922 923 return (0); 924 } 925 926 static int 927 agten_fb_ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 928 { 929 struct agten_softc *sc = agten_cd.cd_devs[minor(dev)]; 930 struct fbgattr *fba; 931 int error; 932 933 switch (cmd) { 934 935 case FBIOGTYPE: 936 *(struct fbtype *)data = sc->sc_fb.fb_type; 937 break; 938 939 case FBIOGATTR: 940 fba = (struct fbgattr *)data; 941 fba->real_type = sc->sc_fb.fb_type.fb_type; 942 fba->owner = 0; /* XXX ??? */ 943 fba->fbtype = sc->sc_fb.fb_type; 944 fba->sattr.flags = 0; 945 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 946 fba->sattr.dev_specific[0] = -1; 947 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 948 fba->emu_types[1] = -1; 949 break; 950 951 case FBIOGETCMAP: 952 #define p ((struct fbcmap *)data) 953 return (bt_getcmap(p, &sc->sc_cmap, 256, 1)); 954 955 case FBIOPUTCMAP: 956 /* copy to software map */ 957 error = bt_putcmap(p, &sc->sc_cmap, 256, 1); 958 if (error) 959 return (error); 960 /* now blast them into the chip */ 961 /* don't bother - we're 24bit */ 962 #undef p 963 break; 964 965 case FBIOGVIDEO: 966 *(int *)data = agten_get_video(sc); 967 break; 968 969 case FBIOSVIDEO: 970 agten_set_video(sc, *(int *)data); 971 break; 972 973 /* these are for both FBIOSCURSOR and FBIOGCURSOR */ 974 #define p ((struct fbcursor *)data) 975 #define pc (&sc->sc_cursor) 976 977 case FBIOGCURSOR: 978 /* does anyone use this ioctl?! */ 979 p->set = FB_CUR_SETALL; /* close enough, anyway */ 980 p->enable = 1; 981 p->pos.x = sc->sc_cursor_x; 982 p->pos.y = sc->sc_cursor_y; 983 p->size.x = 64; 984 p->size.y = 64; 985 break; 986 987 case FBIOSCURSOR: 988 agten_do_sun_cursor(sc, p); 989 break; 990 991 #undef p 992 #undef cc 993 994 case FBIOGCURPOS: 995 { 996 struct fbcurpos *cp = (struct fbcurpos *)data; 997 cp->x = sc->sc_cursor_x; 998 cp->y = sc->sc_cursor_y; 999 } 1000 break; 1001 1002 case FBIOSCURPOS: 1003 { 1004 struct fbcurpos *cp = (struct fbcurpos *)data; 1005 agten_move_cursor(sc, cp->x, cp->y); 1006 } 1007 break; 1008 1009 case FBIOGCURMAX: 1010 /* max cursor size is 64x64 */ 1011 ((struct fbcurpos *)data)->x = 64; 1012 ((struct fbcurpos *)data)->y = 64; 1013 break; 1014 1015 default: 1016 return (ENOTTY); 1017 } 1018 return (0); 1019 } 1020 1021 static paddr_t 1022 agten_fb_mmap(dev_t dev, off_t off, int prot) 1023 { 1024 struct agten_softc *sc = agten_cd.cd_devs[minor(dev)]; 1025 1026 /* 1027 * mappings are subject to change 1028 * for now we put the framebuffer at offset 0 and the GLint registers 1029 * right after that. We may want to expose more register ranges and 1030 * probably will want to map the 2nd framebuffer as well 1031 */ 1032 1033 if (off < 0) 1034 return EINVAL; 1035 1036 if (off >= sc->sc_glint_fbsz + 0x10000) 1037 return EINVAL; 1038 1039 if (off < sc->sc_glint_fbsz) { 1040 return (bus_space_mmap(sc->sc_bustag, 1041 sc->sc_glint_fb, 1042 off, 1043 prot, 1044 BUS_SPACE_MAP_LINEAR)); 1045 } 1046 1047 off -= sc->sc_glint_fbsz; 1048 if (off < 0x10000) { 1049 return (bus_space_mmap(sc->sc_bustag, 1050 sc->sc_glint_regs, 1051 off, 1052 prot, 1053 BUS_SPACE_MAP_LINEAR)); 1054 } 1055 return EINVAL; 1056 } 1057
Indexes created Sun Oct 26 13:09:57 GMT 2025