agten.c revision 1.9
1 /* $NetBSD: agten.c,v 1.9 2008/04/05 18:35:31 cegger 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 1.9 2008/04/05 18:35:31 cegger 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 <sys/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 int sc_video; /* video output enabled */ 117 118 /* some /dev/fb* stuff */ 119 int sc_fb_is_open; 120 121 union bt_cmap sc_cmap; /* Brooktree color map */ 122 123 int sc_mode; 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 static uint16_t util_interleave(uint8_t, uint8_t); 153 static 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_video = -1; 241 sc->sc_bustag = sa->sa_bustag; 242 243 reg = prom_getpropint(node, "i128_fb_physaddr", -1); 244 sc->sc_i128_fbsz = prom_getpropint(node, "i128_fb_size", -1); 245 if (sbus_bus_map(sc->sc_bustag, 246 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 247 sc->sc_i128_fbsz, BUS_SPACE_MAP_LINEAR, &sc->sc_i128_fbh) != 0) { 248 249 aprint_error_dev(dev, "unable to map the framebuffer\n"); 250 return; 251 } 252 fb->fb_pixels = bus_space_vaddr(sc->sc_bustag, sc->sc_i128_fbh); 253 254 reg = prom_getpropint(node, "i128_reg_physaddr", -1); 255 if (sbus_bus_map(sc->sc_bustag, 256 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 257 0x10000, 0, &sc->sc_i128_regh) != 0) { 258 259 aprint_error_dev(dev, "unable to map I128 registers\n"); 260 return; 261 } 262 263 reg = prom_getpropint(node, "p9100_reg_physaddr", -1); 264 if (sbus_bus_map(sc->sc_bustag, 265 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 266 0x8000, 0, &sc->sc_p9100_regh) != 0) { 267 268 aprint_error_dev(dev, "unable to map P9100 registers\n"); 269 return; 270 } 271 272 reg = prom_getpropint(node, "glint_fb0_physaddr", -1); 273 sc->sc_glint_fb = sbus_bus_addr(sc->sc_bustag, 274 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 275 sc->sc_glint_fbsz = prom_getpropint(node, "glint_lb_size", -1); 276 reg = prom_getpropint(node, "glint_reg_physaddr", -1); 277 sc->sc_glint_regs = sbus_bus_addr(sc->sc_bustag, 278 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 279 280 sbus_establish(&sc->sc_sd, &sc->sc_dev); 281 282 #if 0 283 bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO, 284 agten_intr, sc); 285 #endif 286 287 sc->sc_width = prom_getpropint(node, "ffb_width", 1152); 288 sc->sc_height = prom_getpropint(node, "ffb_height", 900); 289 sc->sc_depth = prom_getpropint(node, "ffb_depth", 8); 290 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 291 292 printf(": %dx%d\n", sc->sc_width, sc->sc_height); 293 agten_init(sc); 294 295 console = fb_is_console(node); 296 297 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 298 &agten_accessops); 299 sc->vd.init_screen = agten_init_screen; 300 301 ri = &sc->sc_console_screen.scr_ri; 302 303 if (console) { 304 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 305 &defattr); 306 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 307 308 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 309 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 310 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 311 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 312 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 313 defattr); 314 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, 315 sc->sc_width, sc->sc_height, 316 ri->ri_devcmap[(defattr >> 16) & 0xff]); 317 } else { 318 /* 319 * since we're not the console we can postpone the rest 320 * until someone actually allocates a screen for us 321 */ 322 } 323 324 /* Initialize the default color map. */ 325 326 aa.console = console; 327 aa.scrdata = &sc->sc_screenlist; 328 aa.accessops = &agten_accessops; 329 aa.accesscookie = &sc->vd; 330 331 config_found(&sc->sc_dev, &aa, wsemuldisplaydevprint); 332 333 fb->fb_driver = &agtenfbdriver; 334 fb->fb_device = &sc->sc_dev; 335 fb->fb_flags = device_cfdata(&sc->sc_dev)->cf_flags & FB_USERMASK; 336 fb->fb_type.fb_type = FBTYPE_AG10E; 337 fb->fb_type.fb_cmsize = 256; /* doesn't matter, we're always 24bit */ 338 fb->fb_type.fb_size = sc->sc_glint_fbsz; 339 fb->fb_type.fb_width = sc->sc_width; 340 fb->fb_type.fb_height = sc->sc_height; 341 fb->fb_type.fb_depth = 32; 342 fb->fb_linebytes = sc->sc_stride; 343 fb_attach(fb, console); 344 agten_set_video(sc, 1); /* make sure video's on */ 345 } 346 347 static int 348 agten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 349 struct lwp *l) 350 { 351 struct vcons_data *vd = v; 352 struct agten_softc *sc = vd->cookie; 353 struct wsdisplay_fbinfo *wdf; 354 struct vcons_screen *ms = vd->active; 355 356 switch (cmd) { 357 358 case WSDISPLAYIO_GTYPE: 359 *(u_int *)data = WSDISPLAY_TYPE_AG10; 360 return 0; 361 362 case WSDISPLAYIO_GINFO: 363 if (ms == NULL) 364 return ENODEV; 365 wdf = (void *)data; 366 wdf->height = ms->scr_ri.ri_height; 367 wdf->width = ms->scr_ri.ri_width; 368 wdf->depth = 32; 369 wdf->cmsize = 256; 370 return 0; 371 372 case WSDISPLAYIO_GVIDEO: 373 *(int *)data = sc->sc_video; 374 return 0; 375 376 case WSDISPLAYIO_SVIDEO: 377 agten_set_video(sc, *(int *)data); 378 return 0; 379 380 case WSDISPLAYIO_GETCMAP: 381 return agten_getcmap(sc, 382 (struct wsdisplay_cmap *)data); 383 384 case WSDISPLAYIO_PUTCMAP: 385 return agten_putcmap(sc, 386 (struct wsdisplay_cmap *)data); 387 388 case WSDISPLAYIO_LINEBYTES: 389 *(u_int *)data = sc->sc_stride << 2; 390 return 0; 391 392 case WSDISPLAYIO_SMODE: 393 { 394 int new_mode = *(int*)data; 395 if (new_mode != sc->sc_mode) { 396 sc->sc_mode = new_mode; 397 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 398 agten_init(sc); 399 vcons_redraw_screen(ms); 400 } else { 401 agten_gfx(sc); 402 } 403 } 404 } 405 return 0; 406 407 case WSDISPLAYIO_GCURPOS: 408 { 409 struct wsdisplay_curpos *cp = (void *)data; 410 411 cp->x = sc->sc_cursor_x; 412 cp->y = sc->sc_cursor_y; 413 } 414 return 0; 415 416 case WSDISPLAYIO_SCURPOS: 417 { 418 struct wsdisplay_curpos *cp = (void *)data; 419 420 agten_move_cursor(sc, cp->x, cp->y); 421 } 422 return 0; 423 424 case WSDISPLAYIO_GCURMAX: 425 { 426 struct wsdisplay_curpos *cp = (void *)data; 427 428 cp->x = 64; 429 cp->y = 64; 430 } 431 return 0; 432 433 case WSDISPLAYIO_SCURSOR: 434 { 435 struct wsdisplay_cursor *cursor = (void *)data; 436 437 return agten_do_cursor(sc, cursor); 438 } 439 } 440 return EPASSTHROUGH; 441 } 442 443 static paddr_t 444 agten_mmap(void *v, void *vs, off_t offset, int prot) 445 { 446 struct vcons_data *vd = v; 447 struct agten_softc *sc = vd->cookie; 448 449 if (offset < sc->sc_glint_fbsz) 450 return bus_space_mmap(sc->sc_bustag, sc->sc_glint_fb, offset, 451 prot, BUS_SPACE_MAP_LINEAR); 452 return -1; 453 } 454 455 static void 456 agten_init_screen(void *cookie, struct vcons_screen *scr, 457 int existing, long *defattr) 458 { 459 struct agten_softc *sc = cookie; 460 struct rasops_info *ri = &scr->scr_ri; 461 462 ri->ri_depth = sc->sc_depth; 463 ri->ri_width = sc->sc_width; 464 ri->ri_height = sc->sc_height; 465 ri->ri_stride = sc->sc_stride; 466 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 467 468 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 469 470 if (existing) { 471 ri->ri_flg |= RI_CLEAR; 472 } 473 474 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 475 ri->ri_caps = WSSCREEN_WSCOLORS; 476 477 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 478 sc->sc_width / ri->ri_font->fontwidth); 479 480 ri->ri_hw = scr; 481 ri->ri_ops.copyrows = agten_copyrows; 482 ri->ri_ops.eraserows = agten_eraserows; 483 ri->ri_ops.copycols = agten_copycols; 484 ri->ri_ops.erasecols = agten_erasecols; 485 486 } 487 488 static int 489 agten_putcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 490 { 491 u_int index = cm->index; 492 u_int count = cm->count; 493 int i, error; 494 u_char rbuf[256], gbuf[256], bbuf[256]; 495 u_char *r, *g, *b; 496 497 if (cm->index >= 256 || cm->count > 256 || 498 (cm->index + cm->count) > 256) 499 return EINVAL; 500 error = copyin(cm->red, &rbuf[index], count); 501 if (error) 502 return error; 503 error = copyin(cm->green, &gbuf[index], count); 504 if (error) 505 return error; 506 error = copyin(cm->blue, &bbuf[index], count); 507 if (error) 508 return error; 509 510 r = &rbuf[index]; 511 g = &gbuf[index]; 512 b = &bbuf[index]; 513 514 for (i = 0; i < count; i++) { 515 agten_putpalreg(sc, index, *r, *g, *b); 516 index++; 517 r++, g++, b++; 518 } 519 return 0; 520 } 521 522 static int 523 agten_getcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 524 { 525 u_int index = cm->index; 526 u_int count = cm->count; 527 int error, i; 528 uint8_t red[256], green[256], blue[256]; 529 530 if (index >= 255 || count > 256 || index + count > 256) 531 return EINVAL; 532 533 i = index; 534 while (i < (index + count)) { 535 red[i] = sc->sc_cmap.cm_map[i][0]; 536 green[i] = sc->sc_cmap.cm_map[i][1]; 537 blue[i] = sc->sc_cmap.cm_map[i][2]; 538 i++; 539 } 540 error = copyout(&red[index], cm->red, count); 541 if (error) 542 return error; 543 error = copyout(&green[index], cm->green, count); 544 if (error) 545 return error; 546 error = copyout(&blue[index], cm->blue, count); 547 if (error) 548 return error; 549 550 return 0; 551 } 552 553 static int 554 agten_putpalreg(struct agten_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 555 uint8_t b) 556 { 557 558 sc->sc_cmap.cm_map[idx][0] = r; 559 sc->sc_cmap.cm_map[idx][1] = g; 560 sc->sc_cmap.cm_map[idx][2] = b; 561 agten_write_idx(sc, IBM561_CMAP_TABLE + idx); 562 agten_write_dac(sc, IBM561_CMD_CMAP, r); 563 agten_write_dac(sc, IBM561_CMD_CMAP, g); 564 agten_write_dac(sc, IBM561_CMD_CMAP, b); 565 return 0; 566 } 567 568 static void 569 agten_init(struct agten_softc *sc) 570 { 571 int i, j; 572 uint32_t src, srcw; 573 volatile uint32_t junk; 574 575 /* first we set up the colour map */ 576 j = 0; 577 for (i = 0; i < 256; i++) { 578 579 agten_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 580 rasops_cmap[j + 2]); 581 j += 3; 582 } 583 584 /* then we set up a linear LUT for 24bit colour */ 585 agten_write_idx(sc, IBM561_CMAP_TABLE + 256); 586 for (i = 0; i < 256; i++) { 587 agten_write_dac(sc, IBM561_CMD_CMAP, i); 588 agten_write_dac(sc, IBM561_CMD_CMAP, i); 589 agten_write_dac(sc, IBM561_CMD_CMAP, i); 590 } 591 592 /* and the linear gamma maps */ 593 agten_write_idx(sc, IBM561_RED_GAMMA_TABLE); 594 for (i = 0; i < 0x3ff; i+= 4) 595 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 596 agten_write_idx(sc, IBM561_GREEN_GAMMA_TABLE); 597 for (i = 0; i < 0x3ff; i+= 4) 598 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 599 agten_write_idx(sc, IBM561_BLUE_GAMMA_TABLE); 600 for (i = 0; i < 0x3ff; i+= 4) 601 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 602 603 /* enable outouts, RGB mode */ 604 agten_write_idx(sc, IBM561_CONFIG_REG3); 605 agten_write_dac(sc, IBM561_CMD, 0x41); 606 607 /* MUX 4:1 basic, 8bit overlay, 8bit WIDs */ 608 agten_write_idx(sc, IBM561_CONFIG_REG1); 609 agten_write_dac(sc, IBM561_CMD, 0x2c); 610 611 /* use internal PLL, enable video output */ 612 agten_write_idx(sc, IBM561_CONFIG_REG2); 613 agten_write_dac(sc, IBM561_CMD, CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | 614 CR2_PIXEL_CLOCK_SELECT | CR2_ENABLE_RGB_OUTPUT); 615 616 /* now set up some window attributes */ 617 618 /* 619 * direct colour, 24 bit, transparency off, LUT from 0x100 620 * we need to use direct colour and a linear LUT because for some 621 * reason true color mode gives messed up colours 622 */ 623 agten_write_idx(sc, IBM561_FB_WINTYPE); 624 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x134); 625 626 /* use gamma LUTs, no crosshair, 0 is transparent */ 627 agten_write_idx(sc, IBM561_AUXFB_WINTYPE); 628 agten_write_dac(sc, IBM561_CMD_FB_WAT, 0x0); 629 630 /* overlay is 8 bit, opaque */ 631 agten_write_idx(sc, IBM561_OL_WINTYPE); 632 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x00); 633 634 /* now we fill the WID fb with zeroes */ 635 src = 0; 636 srcw = sc->sc_width << 16 | sc->sc_height; 637 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, FOREGROUND_COLOR, 638 0x0); 639 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, BACKGROUND_COLOR, 640 0x0); 641 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RASTER_OP, ROP_PAT); 642 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, COORD_INDEX, 0); 643 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, src); 644 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, srcw); 645 junk = bus_space_read_4(sc->sc_bustag, sc->sc_p9100_regh, COMMAND_QUAD); 646 647 /* initialize the cursor registers */ 648 649 /* initialize the Imagine 128 */ 650 i128_init(sc->sc_bustag, sc->sc_i128_regh, sc->sc_stride, 8); 651 } 652 653 static void 654 agten_gfx(struct agten_softc *sc) 655 { 656 /* enable overlay transparency on colour 0x00 */ 657 agten_write_idx(sc, IBM561_OL_WINTYPE); 658 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x01); 659 660 /* then blit the overlay full of 0x00 */ 661 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, sc->sc_width, 662 sc->sc_height, 0); 663 664 /* ... so we can see the 24bit framebuffer */ 665 } 666 667 static void 668 agten_set_video(struct agten_softc *sc, int flag) 669 { 670 uint8_t reg = 671 CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | CR2_PIXEL_CLOCK_SELECT; 672 673 if (flag == sc->sc_video) 674 return; 675 676 agten_write_idx(sc, IBM561_CONFIG_REG2); 677 agten_write_dac(sc, IBM561_CMD, flag ? reg | CR2_ENABLE_RGB_OUTPUT : 678 reg); 679 680 sc->sc_video = flag; 681 } 682 683 static int 684 agten_get_video(struct agten_softc *sc) 685 { 686 687 return sc->sc_video; 688 } 689 690 static void 691 agten_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 692 { 693 struct rasops_info *ri = cookie; 694 struct vcons_screen *scr = ri->ri_hw; 695 struct agten_softc *sc = scr->scr_cookie; 696 int32_t xs, xd, y, width, height; 697 698 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 699 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 700 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 701 width = ri->ri_font->fontwidth * ncols; 702 height = ri->ri_font->fontheight; 703 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, xs, y, xd, y, width, 704 height, CR_COPY); 705 } 706 707 static void 708 agten_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 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, y, width, height, bg; 714 715 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 716 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 717 width = ri->ri_font->fontwidth * ncols; 718 height = ri->ri_font->fontheight; 719 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 720 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 721 } 722 723 static void 724 agten_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 725 { 726 struct rasops_info *ri = cookie; 727 struct vcons_screen *scr = ri->ri_hw; 728 struct agten_softc *sc = scr->scr_cookie; 729 int32_t x, ys, yd, width, height; 730 731 x = ri->ri_xorigin; 732 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 733 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 734 width = ri->ri_emuwidth; 735 height = ri->ri_font->fontheight * nrows; 736 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, ys, x, yd, width, 737 height, CR_COPY); 738 } 739 740 static void 741 agten_eraserows(void *cookie, int row, int nrows, long fillattr) 742 { 743 struct rasops_info *ri = cookie; 744 struct vcons_screen *scr = ri->ri_hw; 745 struct agten_softc *sc = scr->scr_cookie; 746 int32_t x, y, width, height, bg; 747 748 if ((row == 0) && (nrows == ri->ri_rows)) { 749 x = y = 0; 750 width = ri->ri_width; 751 height = ri->ri_height; 752 } else { 753 x = ri->ri_xorigin; 754 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 755 width = ri->ri_emuwidth; 756 height = ri->ri_font->fontheight * nrows; 757 } 758 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 759 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 760 } 761 762 static void 763 agten_move_cursor(struct agten_softc *sc, int x, int y) 764 { 765 766 sc->sc_cursor_x = x; 767 sc->sc_cursor_y = y; 768 agten_write_idx(sc, IBM561_CURSOR_X_REG); 769 agten_write_dac(sc, IBM561_CMD, x & 0xff); 770 agten_write_dac(sc, IBM561_CMD, (x >> 8) & 0xff); 771 agten_write_dac(sc, IBM561_CMD, y & 0xff); 772 agten_write_dac(sc, IBM561_CMD, (y >> 8) & 0xff); 773 } 774 775 static int 776 agten_do_cursor(struct agten_softc *sc, struct wsdisplay_cursor *cur) 777 { 778 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 779 780 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 781 agten_write_dac(sc, IBM561_CMD, cur->enable ? 782 CURS_ENABLE : 0); 783 } 784 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 785 786 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 787 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 788 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 789 } 790 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 791 792 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 793 } 794 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 795 int i; 796 797 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 798 for (i = 0; i < cur->cmap.count; i++) { 799 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 800 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.green[i]); 801 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 802 } 803 } 804 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 805 int i; 806 uint16_t tmp; 807 808 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 809 for (i = 0; i < 512; i++) { 810 tmp = util_interleave(cur->mask[i], cur->image[i]); 811 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 812 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 813 } 814 } 815 return 0; 816 } 817 818 static int 819 agten_do_sun_cursor(struct agten_softc *sc, struct fbcursor *cur) 820 { 821 if (cur->set & FB_CUR_SETCUR) { 822 823 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 824 agten_write_dac(sc, IBM561_CMD, cur->enable ? 825 CURS_ENABLE : 0); 826 } 827 if (cur->set & FB_CUR_SETHOT) { 828 829 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 830 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 831 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 832 } 833 if (cur->set & FB_CUR_SETPOS) { 834 835 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 836 } 837 if (cur->set & FB_CUR_SETCMAP) { 838 int i; 839 840 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 841 for (i = 0; i < cur->cmap.count; i++) { 842 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 843 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.green[i]); 844 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 845 } 846 } 847 if (cur->set & FB_CUR_SETSHAPE) { 848 int i; 849 uint16_t tmp; 850 851 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 852 for (i = 0; i < 512; i++) { 853 tmp = util_interleave_lin(cur->mask[i], cur->image[i]); 854 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 855 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 856 } 857 } 858 return 0; 859 } 860 861 uint16_t 862 util_interleave(uint8_t b1, uint8_t b2) 863 { 864 int i; 865 uint16_t ret = 0; 866 uint16_t mask = 0x8000; 867 uint8_t mask8 = 0x01; 868 869 for (i = 0; i < 8; i++) { 870 if (b1 & mask8) 871 ret |= mask; 872 mask = mask >> 1; 873 if (b2 & mask8) 874 ret |= mask; 875 mask = mask >> 1; 876 mask8 = mask8 << 1; 877 } 878 return ret; 879 } 880 881 uint16_t 882 util_interleave_lin(uint8_t b1, uint8_t b2) 883 { 884 int i; 885 uint16_t ret = 0; 886 uint16_t mask = 0x8000; 887 uint8_t mask8 = 0x80; 888 889 for (i = 0; i < 8; i++) { 890 if (b1 & mask8) 891 ret |= mask; 892 mask = mask >> 1; 893 if (b2 & mask8) 894 ret |= mask; 895 mask = mask >> 1; 896 mask8 = mask8 >> 1; 897 } 898 return ret; 899 } 900 901 /* and now the /dev/fb* stuff */ 902 static void 903 agten_fb_unblank(struct device *dev) 904 { 905 struct agten_softc *sc = (void *)dev; 906 907 agten_init(sc); 908 agten_set_video(sc, 1); 909 } 910 911 static int 912 agten_fb_open(dev_t dev, int flags, int mode, struct lwp *l) 913 { 914 struct agten_softc *sc = agten_cd.cd_devs[minor(dev)]; 915 int unit = minor(dev); 916 917 if (unit >= agten_cd.cd_ndevs || agten_cd.cd_devs[unit] == NULL) 918 return (ENXIO); 919 if (sc->sc_fb_is_open) 920 return 0; 921 922 sc->sc_fb_is_open++; 923 agten_gfx(sc); 924 925 return (0); 926 } 927 928 static int 929 agten_fb_close(dev_t dev, int flags, int mode, struct lwp *l) 930 { 931 struct agten_softc *sc = agten_cd.cd_devs[minor(dev)]; 932 933 sc->sc_fb_is_open--; 934 if (sc->sc_fb_is_open < 0) 935 sc->sc_fb_is_open = 0; 936 937 if (sc->sc_fb_is_open == 0) { 938 agten_init(sc); 939 vcons_redraw_screen(sc->vd.active); 940 } 941 942 return (0); 943 } 944 945 static int 946 agten_fb_ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 947 { 948 struct agten_softc *sc = agten_cd.cd_devs[minor(dev)]; 949 struct fbgattr *fba; 950 int error; 951 952 switch (cmd) { 953 954 case FBIOGTYPE: 955 *(struct fbtype *)data = sc->sc_fb.fb_type; 956 break; 957 958 case FBIOGATTR: 959 fba = (struct fbgattr *)data; 960 fba->real_type = sc->sc_fb.fb_type.fb_type; 961 fba->owner = 0; /* XXX ??? */ 962 fba->fbtype = sc->sc_fb.fb_type; 963 fba->sattr.flags = 0; 964 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 965 fba->sattr.dev_specific[0] = -1; 966 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 967 fba->emu_types[1] = -1; 968 break; 969 970 case FBIOGETCMAP: 971 #define p ((struct fbcmap *)data) 972 return (bt_getcmap(p, &sc->sc_cmap, 256, 1)); 973 974 case FBIOPUTCMAP: 975 /* copy to software map */ 976 error = bt_putcmap(p, &sc->sc_cmap, 256, 1); 977 if (error) 978 return (error); 979 /* now blast them into the chip */ 980 /* don't bother - we're 24bit */ 981 #undef p 982 break; 983 984 case FBIOGVIDEO: 985 *(int *)data = agten_get_video(sc); 986 break; 987 988 case FBIOSVIDEO: 989 agten_set_video(sc, *(int *)data); 990 break; 991 992 /* these are for both FBIOSCURSOR and FBIOGCURSOR */ 993 #define p ((struct fbcursor *)data) 994 #define pc (&sc->sc_cursor) 995 996 case FBIOGCURSOR: 997 /* does anyone use this ioctl?! */ 998 p->set = FB_CUR_SETALL; /* close enough, anyway */ 999 p->enable = 1; 1000 p->pos.x = sc->sc_cursor_x; 1001 p->pos.y = sc->sc_cursor_y; 1002 p->size.x = 64; 1003 p->size.y = 64; 1004 break; 1005 1006 case FBIOSCURSOR: 1007 agten_do_sun_cursor(sc, p); 1008 break; 1009 1010 #undef p 1011 #undef cc 1012 1013 case FBIOGCURPOS: 1014 { 1015 struct fbcurpos *cp = (struct fbcurpos *)data; 1016 cp->x = sc->sc_cursor_x; 1017 cp->y = sc->sc_cursor_y; 1018 } 1019 break; 1020 1021 case FBIOSCURPOS: 1022 { 1023 struct fbcurpos *cp = (struct fbcurpos *)data; 1024 agten_move_cursor(sc, cp->x, cp->y); 1025 } 1026 break; 1027 1028 case FBIOGCURMAX: 1029 /* max cursor size is 64x64 */ 1030 ((struct fbcurpos *)data)->x = 64; 1031 ((struct fbcurpos *)data)->y = 64; 1032 break; 1033 1034 default: 1035 return (ENOTTY); 1036 } 1037 return (0); 1038 } 1039 1040 static paddr_t 1041 agten_fb_mmap(dev_t dev, off_t off, int prot) 1042 { 1043 struct agten_softc *sc = agten_cd.cd_devs[minor(dev)]; 1044 1045 /* 1046 * mappings are subject to change 1047 * for now we put the framebuffer at offset 0 and the GLint registers 1048 * right after that. We may want to expose more register ranges and 1049 * probably will want to map the 2nd framebuffer as well 1050 */ 1051 1052 if (off < 0) 1053 return EINVAL; 1054 1055 if (off >= sc->sc_glint_fbsz + 0x10000) 1056 return EINVAL; 1057 1058 if (off < sc->sc_glint_fbsz) { 1059 return (bus_space_mmap(sc->sc_bustag, 1060 sc->sc_glint_fb, 1061 off, 1062 prot, 1063 BUS_SPACE_MAP_LINEAR)); 1064 } 1065 1066 off -= sc->sc_glint_fbsz; 1067 if (off < 0x10000) { 1068 return (bus_space_mmap(sc->sc_bustag, 1069 sc->sc_glint_regs, 1070 off, 1071 prot, 1072 BUS_SPACE_MAP_LINEAR)); 1073 } 1074 return EINVAL; 1075 } 1076
Indexes created Sat Oct 25 10:09:55 GMT 2025