agten.c revision 1.12
1 /* $NetBSD: agten.c,v 1.12 2008/05/17 00:22:31 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 * 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 1.12 2008/05/17 00:22:31 macallan 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 - 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 72 #include <dev/sbus/p9100reg.h> 73 #include <dev/ic/ibm561reg.h> 74 #include <dev/ic/i128reg.h> 75 #include <dev/ic/i128var.h> 76 77 #include "opt_agten.h" 78 79 static int agten_match(device_t, struct cfdata *, void *); 80 static void agten_attach(device_t, device_t, void *); 81 82 static int agten_ioctl(void *, void *, u_long, void *, int, struct lwp *); 83 static paddr_t agten_mmap(void *, void *, off_t, int); 84 static void agten_init_screen(void *, struct vcons_screen *, int, long *); 85 86 struct agten_softc { 87 device_t sc_dev; /* base device */ 88 struct sbusdev sc_sd; /* sbus device */ 89 struct fbdevice sc_fb; /* frame buffer device */ 90 91 struct vcons_screen sc_console_screen; 92 struct wsscreen_descr sc_defaultscreen_descr; 93 const struct wsscreen_descr *sc_screens[1]; 94 struct wsscreen_list sc_screenlist; 95 96 bus_space_tag_t sc_bustag; 97 98 bus_space_handle_t sc_i128_fbh; 99 bus_size_t sc_i128_fbsz; 100 bus_space_handle_t sc_i128_regh; 101 bus_space_handle_t sc_p9100_regh; 102 bus_addr_t sc_glint_fb; 103 bus_addr_t sc_glint_regs; 104 uint32_t sc_glint_fbsz; 105 106 uint32_t sc_width; 107 uint32_t sc_height; /* panel width / height */ 108 uint32_t sc_stride; 109 uint32_t sc_depth; 110 111 int sc_cursor_x; 112 int sc_cursor_y; 113 int sc_video; /* video output enabled */ 114 115 /* some /dev/fb* stuff */ 116 int sc_fb_is_open; 117 118 union bt_cmap sc_cmap; /* Brooktree color map */ 119 120 int sc_mode; 121 uint32_t sc_bg; 122 struct vcons_data vd; 123 }; 124 125 CFATTACH_DECL(agten, sizeof(struct agten_softc), 126 agten_match, agten_attach, NULL, NULL); 127 128 129 static int agten_putcmap(struct agten_softc *, struct wsdisplay_cmap *); 130 static int agten_getcmap(struct agten_softc *, struct wsdisplay_cmap *); 131 static int agten_putpalreg(struct agten_softc *, uint8_t, uint8_t, 132 uint8_t, uint8_t); 133 static void agten_init(struct agten_softc *); 134 static void agten_gfx(struct agten_softc *); 135 static void agten_set_video(struct agten_softc *, int); 136 static int agten_get_video(struct agten_softc *); 137 138 static void agten_copycols(void *, int, int, int, int); 139 static void agten_erasecols(void *, int, int, int, long); 140 static void agten_copyrows(void *, int, int, int); 141 static void agten_eraserows(void *, int, int, long); 142 143 static void agten_move_cursor(struct agten_softc *, int, int); 144 static int agten_do_cursor(struct agten_softc *sc, 145 struct wsdisplay_cursor *); 146 static int agten_do_sun_cursor(struct agten_softc *sc, 147 struct fbcursor *); 148 149 static uint16_t util_interleave(uint8_t, uint8_t); 150 static uint16_t util_interleave_lin(uint8_t, uint8_t); 151 152 extern const u_char rasops_cmap[768]; 153 154 struct wsdisplay_accessops agten_accessops = { 155 agten_ioctl, 156 agten_mmap, 157 NULL, /* alloc_screen */ 158 NULL, /* free_screen */ 159 NULL, /* show_screen */ 160 NULL, /* load_font */ 161 NULL, /* pollc */ 162 NULL /* scroll */ 163 }; 164 165 /* /dev/fb* stuff */ 166 extern struct cfdriver agten_cd; 167 168 static int agten_fb_open(dev_t, int, int, struct lwp *); 169 static int agten_fb_close(dev_t, int, int, struct lwp *); 170 static int agten_fb_ioctl(dev_t, u_long, void *, int, struct lwp *); 171 static paddr_t agten_fb_mmap(dev_t, off_t, int); 172 static void agten_fb_unblank(device_t); 173 174 static struct fbdriver agtenfbdriver = { 175 agten_fb_unblank, agten_fb_open, agten_fb_close, agten_fb_ioctl, 176 nopoll, agten_fb_mmap, nokqfilter 177 }; 178 179 static inline void 180 agten_write_dac(struct agten_softc *sc, int reg, uint8_t val) 181 { 182 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 183 0x200 + (reg << 2), (uint32_t)val << 16); 184 } 185 186 static inline void 187 agten_write_idx(struct agten_softc *sc, int offset) 188 { 189 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 190 0x200 + (IBM561_ADDR_LOW << 2), (offset & 0xff) << 16); 191 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 192 0x200 + (IBM561_ADDR_HIGH << 2), ((offset >> 8) & 0xff) << 16); 193 } 194 195 static inline void 196 agten_write_dac_10(struct agten_softc *sc, int reg, uint16_t val) 197 { 198 agten_write_dac(sc, reg, (val >> 2) & 0xff); 199 agten_write_dac(sc, reg, (val & 0x3) << 6); 200 } 201 202 static int 203 agten_match(device_t dev, struct cfdata *cf, void *aux) 204 { 205 struct sbus_attach_args *sa = aux; 206 207 if (strcmp("PFU,aga", sa->sa_name) == 0) 208 return 100; 209 return 0; 210 } 211 212 static void 213 agten_attach(device_t parent, device_t dev, void *aux) 214 { 215 struct agten_softc *sc = device_private(dev); 216 struct sbus_attach_args *sa = aux; 217 struct fbdevice *fb = &sc->sc_fb; 218 struct wsemuldisplaydev_attach_args aa; 219 struct rasops_info *ri; 220 long defattr; 221 uint32_t reg; 222 int node = sa->sa_node; 223 int console; 224 225 sc->sc_dev = dev; 226 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 227 "default", 228 0, 0, 229 NULL, 230 8, 16, 231 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 232 NULL 233 }; 234 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 235 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 236 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 237 sc->sc_fb_is_open = 0; 238 sc->sc_video = -1; 239 sc->sc_bustag = sa->sa_bustag; 240 241 sc->sc_width = prom_getpropint(node, "ffb_width", 1152); 242 sc->sc_height = prom_getpropint(node, "ffb_height", 900); 243 sc->sc_depth = prom_getpropint(node, "ffb_depth", 8); 244 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 245 246 reg = prom_getpropint(node, "i128_fb_physaddr", -1); 247 sc->sc_i128_fbsz = prom_getpropint(node, "i128_fb_size", -1); 248 if (sbus_bus_map(sc->sc_bustag, 249 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 250 sc->sc_stride * sc->sc_height, BUS_SPACE_MAP_LINEAR, 251 &sc->sc_i128_fbh) != 0) { 252 253 aprint_error_dev(dev, "unable to map the framebuffer\n"); 254 return; 255 } 256 fb->fb_pixels = bus_space_vaddr(sc->sc_bustag, sc->sc_i128_fbh); 257 258 reg = prom_getpropint(node, "i128_reg_physaddr", -1); 259 if (sbus_bus_map(sc->sc_bustag, 260 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 261 0x10000, 0, &sc->sc_i128_regh) != 0) { 262 263 aprint_error_dev(dev, "unable to map I128 registers\n"); 264 return; 265 } 266 267 reg = prom_getpropint(node, "p9100_reg_physaddr", -1); 268 if (sbus_bus_map(sc->sc_bustag, 269 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 270 0x8000, 0, &sc->sc_p9100_regh) != 0) { 271 272 aprint_error_dev(dev, "unable to map P9100 registers\n"); 273 return; 274 } 275 276 reg = prom_getpropint(node, "glint_fb0_physaddr", -1); 277 sc->sc_glint_fb = sbus_bus_addr(sc->sc_bustag, 278 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 279 sc->sc_glint_fbsz = prom_getpropint(node, "glint_lb_size", -1); 280 reg = prom_getpropint(node, "glint_reg_physaddr", -1); 281 sc->sc_glint_regs = sbus_bus_addr(sc->sc_bustag, 282 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 283 284 sbus_establish(&sc->sc_sd, sc->sc_dev); 285 286 #if 0 287 bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO, 288 agten_intr, sc); 289 #endif 290 291 printf(": %dx%d\n", sc->sc_width, sc->sc_height); 292 agten_init(sc); 293 294 console = fb_is_console(node); 295 296 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 297 &agten_accessops); 298 sc->vd.init_screen = agten_init_screen; 299 300 ri = &sc->sc_console_screen.scr_ri; 301 302 if (console) { 303 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 304 &defattr); 305 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 306 307 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 308 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 309 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 310 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 311 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 312 defattr); 313 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, 314 sc->sc_width, sc->sc_height, 315 ri->ri_devcmap[(defattr >> 16) & 0xff]); 316 } else { 317 /* 318 * since we're not the console we can postpone the rest 319 * until someone actually allocates a screen for us 320 */ 321 } 322 323 /* Initialize the default color map. */ 324 325 aa.console = console; 326 aa.scrdata = &sc->sc_screenlist; 327 aa.accessops = &agten_accessops; 328 aa.accesscookie = &sc->vd; 329 330 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 331 332 fb->fb_driver = &agtenfbdriver; 333 fb->fb_device = sc->sc_dev; 334 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 335 fb->fb_type.fb_type = FBTYPE_AG10E; 336 fb->fb_type.fb_cmsize = 256; /* doesn't matter, we're always 24bit */ 337 fb->fb_type.fb_size = sc->sc_glint_fbsz; 338 fb->fb_type.fb_width = sc->sc_width; 339 fb->fb_type.fb_height = sc->sc_height; 340 fb->fb_type.fb_depth = 32; 341 fb->fb_linebytes = sc->sc_stride; 342 fb_attach(fb, console); 343 agten_set_video(sc, 1); /* make sure video's on */ 344 } 345 346 static int 347 agten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 348 struct lwp *l) 349 { 350 struct vcons_data *vd = v; 351 struct agten_softc *sc = vd->cookie; 352 struct wsdisplay_fbinfo *wdf; 353 struct vcons_screen *ms = vd->active; 354 355 switch (cmd) { 356 357 case WSDISPLAYIO_GTYPE: 358 *(u_int *)data = WSDISPLAY_TYPE_AG10; 359 return 0; 360 361 case WSDISPLAYIO_GINFO: 362 if (ms == NULL) 363 return ENODEV; 364 wdf = (void *)data; 365 wdf->height = ms->scr_ri.ri_height; 366 wdf->width = ms->scr_ri.ri_width; 367 wdf->depth = 32; 368 wdf->cmsize = 256; 369 return 0; 370 371 case WSDISPLAYIO_GVIDEO: 372 *(int *)data = sc->sc_video; 373 return 0; 374 375 case WSDISPLAYIO_SVIDEO: 376 agten_set_video(sc, *(int *)data); 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 outputs, 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 /* use internal PLL, enable video output */ 611 agten_write_idx(sc, IBM561_CONFIG_REG2); 612 agten_write_dac(sc, IBM561_CMD, CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | 613 CR2_PIXEL_CLOCK_SELECT | CR2_ENABLE_RGB_OUTPUT); 614 615 /* now set up some window attributes */ 616 617 /* 618 * direct colour, 24 bit, transparency off, LUT from 0x100 619 * we need to use direct colour and a linear LUT because for some 620 * reason true color mode gives messed up colours 621 */ 622 agten_write_idx(sc, IBM561_FB_WINTYPE); 623 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x134); 624 625 /* use gamma LUTs, no crosshair, 0 is transparent */ 626 agten_write_idx(sc, IBM561_AUXFB_WINTYPE); 627 agten_write_dac(sc, IBM561_CMD_FB_WAT, 0x0); 628 629 /* overlay is 8 bit, opaque */ 630 agten_write_idx(sc, IBM561_OL_WINTYPE); 631 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x00); 632 633 /* now we fill the WID fb with zeroes */ 634 src = 0; 635 srcw = sc->sc_width << 16 | sc->sc_height; 636 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, FOREGROUND_COLOR, 637 0x0); 638 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, BACKGROUND_COLOR, 639 0x0); 640 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RASTER_OP, ROP_PAT); 641 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, COORD_INDEX, 0); 642 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, src); 643 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, srcw); 644 junk = bus_space_read_4(sc->sc_bustag, sc->sc_p9100_regh, COMMAND_QUAD); 645 646 /* initialize the cursor registers */ 647 648 /* initialize the Imagine 128 */ 649 i128_init(sc->sc_bustag, sc->sc_i128_regh, sc->sc_stride, 8); 650 } 651 652 static void 653 agten_gfx(struct agten_softc *sc) 654 { 655 /* enable overlay transparency on colour 0x00 */ 656 agten_write_idx(sc, IBM561_OL_WINTYPE); 657 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x01); 658 659 /* then blit the overlay full of 0x00 */ 660 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, sc->sc_width, 661 sc->sc_height, 0); 662 663 /* ... so we can see the 24bit framebuffer */ 664 } 665 666 static void 667 agten_set_video(struct agten_softc *sc, int flag) 668 { 669 uint8_t reg = 670 CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | CR2_PIXEL_CLOCK_SELECT; 671 672 if (flag == sc->sc_video) 673 return; 674 675 agten_write_idx(sc, IBM561_CONFIG_REG2); 676 agten_write_dac(sc, IBM561_CMD, flag ? reg | CR2_ENABLE_RGB_OUTPUT : 677 reg); 678 679 sc->sc_video = flag; 680 } 681 682 static int 683 agten_get_video(struct agten_softc *sc) 684 { 685 686 return sc->sc_video; 687 } 688 689 static void 690 agten_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 691 { 692 struct rasops_info *ri = cookie; 693 struct vcons_screen *scr = ri->ri_hw; 694 struct agten_softc *sc = scr->scr_cookie; 695 int32_t xs, xd, y, width, height; 696 697 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 698 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 699 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 700 width = ri->ri_font->fontwidth * ncols; 701 height = ri->ri_font->fontheight; 702 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, xs, y, xd, y, width, 703 height, CR_COPY); 704 } 705 706 static void 707 agten_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 708 { 709 struct rasops_info *ri = cookie; 710 struct vcons_screen *scr = ri->ri_hw; 711 struct agten_softc *sc = scr->scr_cookie; 712 int32_t x, y, width, height, bg; 713 714 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 715 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 716 width = ri->ri_font->fontwidth * ncols; 717 height = ri->ri_font->fontheight; 718 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 719 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 720 } 721 722 static void 723 agten_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 724 { 725 struct rasops_info *ri = cookie; 726 struct vcons_screen *scr = ri->ri_hw; 727 struct agten_softc *sc = scr->scr_cookie; 728 int32_t x, ys, yd, width, height; 729 730 x = ri->ri_xorigin; 731 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 732 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 733 width = ri->ri_emuwidth; 734 height = ri->ri_font->fontheight * nrows; 735 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, ys, x, yd, width, 736 height, CR_COPY); 737 } 738 739 static void 740 agten_eraserows(void *cookie, int row, int nrows, long fillattr) 741 { 742 struct rasops_info *ri = cookie; 743 struct vcons_screen *scr = ri->ri_hw; 744 struct agten_softc *sc = scr->scr_cookie; 745 int32_t x, y, width, height, bg; 746 747 if ((row == 0) && (nrows == ri->ri_rows)) { 748 x = y = 0; 749 width = ri->ri_width; 750 height = ri->ri_height; 751 } else { 752 x = ri->ri_xorigin; 753 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 754 width = ri->ri_emuwidth; 755 height = ri->ri_font->fontheight * nrows; 756 } 757 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 758 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 759 } 760 761 static void 762 agten_move_cursor(struct agten_softc *sc, int x, int y) 763 { 764 765 sc->sc_cursor_x = x; 766 sc->sc_cursor_y = y; 767 agten_write_idx(sc, IBM561_CURSOR_X_REG); 768 agten_write_dac(sc, IBM561_CMD, x & 0xff); 769 agten_write_dac(sc, IBM561_CMD, (x >> 8) & 0xff); 770 agten_write_dac(sc, IBM561_CMD, y & 0xff); 771 agten_write_dac(sc, IBM561_CMD, (y >> 8) & 0xff); 772 } 773 774 static int 775 agten_do_cursor(struct agten_softc *sc, struct wsdisplay_cursor *cur) 776 { 777 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 778 779 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 780 agten_write_dac(sc, IBM561_CMD, cur->enable ? 781 CURS_ENABLE : 0); 782 } 783 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 784 785 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 786 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 787 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 788 } 789 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 790 791 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 792 } 793 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 794 int i; 795 796 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 797 for (i = 0; i < cur->cmap.count; i++) { 798 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 799 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.green[i]); 800 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 801 } 802 } 803 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 804 int i; 805 uint16_t tmp; 806 807 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 808 for (i = 0; i < 512; i++) { 809 tmp = util_interleave(cur->mask[i], cur->image[i]); 810 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 811 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 812 } 813 } 814 return 0; 815 } 816 817 static int 818 agten_do_sun_cursor(struct agten_softc *sc, struct fbcursor *cur) 819 { 820 if (cur->set & FB_CUR_SETCUR) { 821 822 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 823 agten_write_dac(sc, IBM561_CMD, cur->enable ? 824 CURS_ENABLE : 0); 825 } 826 if (cur->set & FB_CUR_SETHOT) { 827 828 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 829 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 830 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 831 } 832 if (cur->set & FB_CUR_SETPOS) { 833 834 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 835 } 836 if (cur->set & FB_CUR_SETCMAP) { 837 int i; 838 839 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 840 for (i = 0; i < cur->cmap.count; i++) { 841 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 842 agten_write_dac(sc, IBM561_CMD_CMAP, 843 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(device_t dev) 904 { 905 struct agten_softc *sc = device_private(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 = device_private(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 = device_private(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 = device_private(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 = device_private(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 Thu Oct 23 22:10:10 GMT 2025