agten.c revision 1.11
1 /* $NetBSD: agten.c,v 1.11 2008/05/16 15:57:21 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 1.11 2008/05/16 15:57:21 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 reg = prom_getpropint(node, "i128_fb_physaddr", -1); 242 sc->sc_i128_fbsz = prom_getpropint(node, "i128_fb_size", -1); 243 if (sbus_bus_map(sc->sc_bustag, 244 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 245 sc->sc_i128_fbsz, BUS_SPACE_MAP_LINEAR, &sc->sc_i128_fbh) != 0) { 246 247 aprint_error_dev(dev, "unable to map the framebuffer\n"); 248 return; 249 } 250 fb->fb_pixels = bus_space_vaddr(sc->sc_bustag, sc->sc_i128_fbh); 251 252 reg = prom_getpropint(node, "i128_reg_physaddr", -1); 253 if (sbus_bus_map(sc->sc_bustag, 254 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 255 0x10000, 0, &sc->sc_i128_regh) != 0) { 256 257 aprint_error_dev(dev, "unable to map I128 registers\n"); 258 return; 259 } 260 261 reg = prom_getpropint(node, "p9100_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 0x8000, 0, &sc->sc_p9100_regh) != 0) { 265 266 aprint_error_dev(dev, "unable to map P9100 registers\n"); 267 return; 268 } 269 270 reg = prom_getpropint(node, "glint_fb0_physaddr", -1); 271 sc->sc_glint_fb = sbus_bus_addr(sc->sc_bustag, 272 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 273 sc->sc_glint_fbsz = prom_getpropint(node, "glint_lb_size", -1); 274 reg = prom_getpropint(node, "glint_reg_physaddr", -1); 275 sc->sc_glint_regs = sbus_bus_addr(sc->sc_bustag, 276 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 277 278 sbus_establish(&sc->sc_sd, sc->sc_dev); 279 280 #if 0 281 bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO, 282 agten_intr, sc); 283 #endif 284 285 sc->sc_width = prom_getpropint(node, "ffb_width", 1152); 286 sc->sc_height = prom_getpropint(node, "ffb_height", 900); 287 sc->sc_depth = prom_getpropint(node, "ffb_depth", 8); 288 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 289 290 printf(": %dx%d\n", sc->sc_width, sc->sc_height); 291 agten_init(sc); 292 293 console = fb_is_console(node); 294 295 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 296 &agten_accessops); 297 sc->vd.init_screen = agten_init_screen; 298 299 ri = &sc->sc_console_screen.scr_ri; 300 301 if (console) { 302 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 303 &defattr); 304 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 305 306 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 307 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 308 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 309 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 310 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 311 defattr); 312 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, 313 sc->sc_width, sc->sc_height, 314 ri->ri_devcmap[(defattr >> 16) & 0xff]); 315 } else { 316 /* 317 * since we're not the console we can postpone the rest 318 * until someone actually allocates a screen for us 319 */ 320 } 321 322 /* Initialize the default color map. */ 323 324 aa.console = console; 325 aa.scrdata = &sc->sc_screenlist; 326 aa.accessops = &agten_accessops; 327 aa.accesscookie = &sc->vd; 328 329 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 330 331 fb->fb_driver = &agtenfbdriver; 332 fb->fb_device = sc->sc_dev; 333 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 334 fb->fb_type.fb_type = FBTYPE_AG10E; 335 fb->fb_type.fb_cmsize = 256; /* doesn't matter, we're always 24bit */ 336 fb->fb_type.fb_size = sc->sc_glint_fbsz; 337 fb->fb_type.fb_width = sc->sc_width; 338 fb->fb_type.fb_height = sc->sc_height; 339 fb->fb_type.fb_depth = 32; 340 fb->fb_linebytes = sc->sc_stride; 341 fb_attach(fb, console); 342 agten_set_video(sc, 1); /* make sure video's on */ 343 } 344 345 static int 346 agten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 347 struct lwp *l) 348 { 349 struct vcons_data *vd = v; 350 struct agten_softc *sc = vd->cookie; 351 struct wsdisplay_fbinfo *wdf; 352 struct vcons_screen *ms = vd->active; 353 354 switch (cmd) { 355 356 case WSDISPLAYIO_GTYPE: 357 *(u_int *)data = WSDISPLAY_TYPE_AG10; 358 return 0; 359 360 case WSDISPLAYIO_GINFO: 361 if (ms == NULL) 362 return ENODEV; 363 wdf = (void *)data; 364 wdf->height = ms->scr_ri.ri_height; 365 wdf->width = ms->scr_ri.ri_width; 366 wdf->depth = 32; 367 wdf->cmsize = 256; 368 return 0; 369 370 case WSDISPLAYIO_GVIDEO: 371 *(int *)data = sc->sc_video; 372 return 0; 373 374 case WSDISPLAYIO_SVIDEO: 375 agten_set_video(sc, *(int *)data); 376 return 0; 377 378 case WSDISPLAYIO_GETCMAP: 379 return agten_getcmap(sc, 380 (struct wsdisplay_cmap *)data); 381 382 case WSDISPLAYIO_PUTCMAP: 383 return agten_putcmap(sc, 384 (struct wsdisplay_cmap *)data); 385 386 case WSDISPLAYIO_LINEBYTES: 387 *(u_int *)data = sc->sc_stride << 2; 388 return 0; 389 390 case WSDISPLAYIO_SMODE: 391 { 392 int new_mode = *(int*)data; 393 if (new_mode != sc->sc_mode) { 394 sc->sc_mode = new_mode; 395 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 396 agten_init(sc); 397 vcons_redraw_screen(ms); 398 } else { 399 agten_gfx(sc); 400 } 401 } 402 } 403 return 0; 404 405 case WSDISPLAYIO_GCURPOS: 406 { 407 struct wsdisplay_curpos *cp = (void *)data; 408 409 cp->x = sc->sc_cursor_x; 410 cp->y = sc->sc_cursor_y; 411 } 412 return 0; 413 414 case WSDISPLAYIO_SCURPOS: 415 { 416 struct wsdisplay_curpos *cp = (void *)data; 417 418 agten_move_cursor(sc, cp->x, cp->y); 419 } 420 return 0; 421 422 case WSDISPLAYIO_GCURMAX: 423 { 424 struct wsdisplay_curpos *cp = (void *)data; 425 426 cp->x = 64; 427 cp->y = 64; 428 } 429 return 0; 430 431 case WSDISPLAYIO_SCURSOR: 432 { 433 struct wsdisplay_cursor *cursor = (void *)data; 434 435 return agten_do_cursor(sc, cursor); 436 } 437 } 438 return EPASSTHROUGH; 439 } 440 441 static paddr_t 442 agten_mmap(void *v, void *vs, off_t offset, int prot) 443 { 444 struct vcons_data *vd = v; 445 struct agten_softc *sc = vd->cookie; 446 447 if (offset < sc->sc_glint_fbsz) 448 return bus_space_mmap(sc->sc_bustag, sc->sc_glint_fb, offset, 449 prot, BUS_SPACE_MAP_LINEAR); 450 return -1; 451 } 452 453 static void 454 agten_init_screen(void *cookie, struct vcons_screen *scr, 455 int existing, long *defattr) 456 { 457 struct agten_softc *sc = cookie; 458 struct rasops_info *ri = &scr->scr_ri; 459 460 ri->ri_depth = sc->sc_depth; 461 ri->ri_width = sc->sc_width; 462 ri->ri_height = sc->sc_height; 463 ri->ri_stride = sc->sc_stride; 464 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 465 466 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 467 468 if (existing) { 469 ri->ri_flg |= RI_CLEAR; 470 } 471 472 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 473 ri->ri_caps = WSSCREEN_WSCOLORS; 474 475 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 476 sc->sc_width / ri->ri_font->fontwidth); 477 478 ri->ri_hw = scr; 479 ri->ri_ops.copyrows = agten_copyrows; 480 ri->ri_ops.eraserows = agten_eraserows; 481 ri->ri_ops.copycols = agten_copycols; 482 ri->ri_ops.erasecols = agten_erasecols; 483 484 } 485 486 static int 487 agten_putcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 488 { 489 u_int index = cm->index; 490 u_int count = cm->count; 491 int i, error; 492 u_char rbuf[256], gbuf[256], bbuf[256]; 493 u_char *r, *g, *b; 494 495 if (cm->index >= 256 || cm->count > 256 || 496 (cm->index + cm->count) > 256) 497 return EINVAL; 498 error = copyin(cm->red, &rbuf[index], count); 499 if (error) 500 return error; 501 error = copyin(cm->green, &gbuf[index], count); 502 if (error) 503 return error; 504 error = copyin(cm->blue, &bbuf[index], count); 505 if (error) 506 return error; 507 508 r = &rbuf[index]; 509 g = &gbuf[index]; 510 b = &bbuf[index]; 511 512 for (i = 0; i < count; i++) { 513 agten_putpalreg(sc, index, *r, *g, *b); 514 index++; 515 r++, g++, b++; 516 } 517 return 0; 518 } 519 520 static int 521 agten_getcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 522 { 523 u_int index = cm->index; 524 u_int count = cm->count; 525 int error, i; 526 uint8_t red[256], green[256], blue[256]; 527 528 if (index >= 255 || count > 256 || index + count > 256) 529 return EINVAL; 530 531 i = index; 532 while (i < (index + count)) { 533 red[i] = sc->sc_cmap.cm_map[i][0]; 534 green[i] = sc->sc_cmap.cm_map[i][1]; 535 blue[i] = sc->sc_cmap.cm_map[i][2]; 536 i++; 537 } 538 error = copyout(&red[index], cm->red, count); 539 if (error) 540 return error; 541 error = copyout(&green[index], cm->green, count); 542 if (error) 543 return error; 544 error = copyout(&blue[index], cm->blue, count); 545 if (error) 546 return error; 547 548 return 0; 549 } 550 551 static int 552 agten_putpalreg(struct agten_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 553 uint8_t b) 554 { 555 556 sc->sc_cmap.cm_map[idx][0] = r; 557 sc->sc_cmap.cm_map[idx][1] = g; 558 sc->sc_cmap.cm_map[idx][2] = b; 559 agten_write_idx(sc, IBM561_CMAP_TABLE + idx); 560 agten_write_dac(sc, IBM561_CMD_CMAP, r); 561 agten_write_dac(sc, IBM561_CMD_CMAP, g); 562 agten_write_dac(sc, IBM561_CMD_CMAP, b); 563 return 0; 564 } 565 566 static void 567 agten_init(struct agten_softc *sc) 568 { 569 int i, j; 570 uint32_t src, srcw; 571 volatile uint32_t junk; 572 573 /* first we set up the colour map */ 574 j = 0; 575 for (i = 0; i < 256; i++) { 576 577 agten_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 578 rasops_cmap[j + 2]); 579 j += 3; 580 } 581 582 /* then we set up a linear LUT for 24bit colour */ 583 agten_write_idx(sc, IBM561_CMAP_TABLE + 256); 584 for (i = 0; i < 256; i++) { 585 agten_write_dac(sc, IBM561_CMD_CMAP, i); 586 agten_write_dac(sc, IBM561_CMD_CMAP, i); 587 agten_write_dac(sc, IBM561_CMD_CMAP, i); 588 } 589 590 /* and the linear gamma maps */ 591 agten_write_idx(sc, IBM561_RED_GAMMA_TABLE); 592 for (i = 0; i < 0x3ff; i+= 4) 593 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 594 agten_write_idx(sc, IBM561_GREEN_GAMMA_TABLE); 595 for (i = 0; i < 0x3ff; i+= 4) 596 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 597 agten_write_idx(sc, IBM561_BLUE_GAMMA_TABLE); 598 for (i = 0; i < 0x3ff; i+= 4) 599 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 600 601 /* enable outputs, RGB mode */ 602 agten_write_idx(sc, IBM561_CONFIG_REG3); 603 agten_write_dac(sc, IBM561_CMD, 0x41); 604 605 /* MUX 4:1 basic, 8bit overlay, 8bit WIDs */ 606 agten_write_idx(sc, IBM561_CONFIG_REG1); 607 agten_write_dac(sc, IBM561_CMD, 0x2c); 608 609 /* use internal PLL, enable video output */ 610 agten_write_idx(sc, IBM561_CONFIG_REG2); 611 agten_write_dac(sc, IBM561_CMD, CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | 612 CR2_PIXEL_CLOCK_SELECT | CR2_ENABLE_RGB_OUTPUT); 613 614 /* now set up some window attributes */ 615 616 /* 617 * direct colour, 24 bit, transparency off, LUT from 0x100 618 * we need to use direct colour and a linear LUT because for some 619 * reason true color mode gives messed up colours 620 */ 621 agten_write_idx(sc, IBM561_FB_WINTYPE); 622 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x134); 623 624 /* use gamma LUTs, no crosshair, 0 is transparent */ 625 agten_write_idx(sc, IBM561_AUXFB_WINTYPE); 626 agten_write_dac(sc, IBM561_CMD_FB_WAT, 0x0); 627 628 /* overlay is 8 bit, opaque */ 629 agten_write_idx(sc, IBM561_OL_WINTYPE); 630 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x00); 631 632 /* now we fill the WID fb with zeroes */ 633 src = 0; 634 srcw = sc->sc_width << 16 | sc->sc_height; 635 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, FOREGROUND_COLOR, 636 0x0); 637 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, BACKGROUND_COLOR, 638 0x0); 639 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RASTER_OP, ROP_PAT); 640 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, COORD_INDEX, 0); 641 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, src); 642 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, srcw); 643 junk = bus_space_read_4(sc->sc_bustag, sc->sc_p9100_regh, COMMAND_QUAD); 644 645 /* initialize the cursor registers */ 646 647 /* initialize the Imagine 128 */ 648 i128_init(sc->sc_bustag, sc->sc_i128_regh, sc->sc_stride, 8); 649 } 650 651 static void 652 agten_gfx(struct agten_softc *sc) 653 { 654 /* enable overlay transparency on colour 0x00 */ 655 agten_write_idx(sc, IBM561_OL_WINTYPE); 656 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x01); 657 658 /* then blit the overlay full of 0x00 */ 659 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, sc->sc_width, 660 sc->sc_height, 0); 661 662 /* ... so we can see the 24bit framebuffer */ 663 } 664 665 static void 666 agten_set_video(struct agten_softc *sc, int flag) 667 { 668 uint8_t reg = 669 CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | CR2_PIXEL_CLOCK_SELECT; 670 671 if (flag == sc->sc_video) 672 return; 673 674 agten_write_idx(sc, IBM561_CONFIG_REG2); 675 agten_write_dac(sc, IBM561_CMD, flag ? reg | CR2_ENABLE_RGB_OUTPUT : 676 reg); 677 678 sc->sc_video = flag; 679 } 680 681 static int 682 agten_get_video(struct agten_softc *sc) 683 { 684 685 return sc->sc_video; 686 } 687 688 static void 689 agten_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 690 { 691 struct rasops_info *ri = cookie; 692 struct vcons_screen *scr = ri->ri_hw; 693 struct agten_softc *sc = scr->scr_cookie; 694 int32_t xs, xd, y, width, height; 695 696 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 697 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 698 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 699 width = ri->ri_font->fontwidth * ncols; 700 height = ri->ri_font->fontheight; 701 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, xs, y, xd, y, width, 702 height, CR_COPY); 703 } 704 705 static void 706 agten_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 707 { 708 struct rasops_info *ri = cookie; 709 struct vcons_screen *scr = ri->ri_hw; 710 struct agten_softc *sc = scr->scr_cookie; 711 int32_t x, y, width, height, bg; 712 713 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 714 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 715 width = ri->ri_font->fontwidth * ncols; 716 height = ri->ri_font->fontheight; 717 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 718 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 719 } 720 721 static void 722 agten_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 723 { 724 struct rasops_info *ri = cookie; 725 struct vcons_screen *scr = ri->ri_hw; 726 struct agten_softc *sc = scr->scr_cookie; 727 int32_t x, ys, yd, width, height; 728 729 x = ri->ri_xorigin; 730 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 731 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 732 width = ri->ri_emuwidth; 733 height = ri->ri_font->fontheight * nrows; 734 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, ys, x, yd, width, 735 height, CR_COPY); 736 } 737 738 static void 739 agten_eraserows(void *cookie, int row, int nrows, long fillattr) 740 { 741 struct rasops_info *ri = cookie; 742 struct vcons_screen *scr = ri->ri_hw; 743 struct agten_softc *sc = scr->scr_cookie; 744 int32_t x, y, width, height, bg; 745 746 if ((row == 0) && (nrows == ri->ri_rows)) { 747 x = y = 0; 748 width = ri->ri_width; 749 height = ri->ri_height; 750 } else { 751 x = ri->ri_xorigin; 752 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 753 width = ri->ri_emuwidth; 754 height = ri->ri_font->fontheight * nrows; 755 } 756 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 757 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 758 } 759 760 static void 761 agten_move_cursor(struct agten_softc *sc, int x, int y) 762 { 763 764 sc->sc_cursor_x = x; 765 sc->sc_cursor_y = y; 766 agten_write_idx(sc, IBM561_CURSOR_X_REG); 767 agten_write_dac(sc, IBM561_CMD, x & 0xff); 768 agten_write_dac(sc, IBM561_CMD, (x >> 8) & 0xff); 769 agten_write_dac(sc, IBM561_CMD, y & 0xff); 770 agten_write_dac(sc, IBM561_CMD, (y >> 8) & 0xff); 771 } 772 773 static int 774 agten_do_cursor(struct agten_softc *sc, struct wsdisplay_cursor *cur) 775 { 776 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 777 778 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 779 agten_write_dac(sc, IBM561_CMD, cur->enable ? 780 CURS_ENABLE : 0); 781 } 782 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 783 784 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 785 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 786 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 787 } 788 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 789 790 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 791 } 792 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 793 int i; 794 795 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 796 for (i = 0; i < cur->cmap.count; i++) { 797 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 798 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.green[i]); 799 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 800 } 801 } 802 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 803 int i; 804 uint16_t tmp; 805 806 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 807 for (i = 0; i < 512; i++) { 808 tmp = util_interleave(cur->mask[i], cur->image[i]); 809 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 810 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 811 } 812 } 813 return 0; 814 } 815 816 static int 817 agten_do_sun_cursor(struct agten_softc *sc, struct fbcursor *cur) 818 { 819 if (cur->set & FB_CUR_SETCUR) { 820 821 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 822 agten_write_dac(sc, IBM561_CMD, cur->enable ? 823 CURS_ENABLE : 0); 824 } 825 if (cur->set & FB_CUR_SETHOT) { 826 827 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 828 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 829 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 830 } 831 if (cur->set & FB_CUR_SETPOS) { 832 833 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 834 } 835 if (cur->set & FB_CUR_SETCMAP) { 836 int i; 837 838 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 839 for (i = 0; i < cur->cmap.count; i++) { 840 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 841 agten_write_dac(sc, IBM561_CMD_CMAP, 842 cur->cmap.green[i]); 843 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 844 } 845 } 846 if (cur->set & FB_CUR_SETSHAPE) { 847 int i; 848 uint16_t tmp; 849 850 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 851 for (i = 0; i < 512; i++) { 852 tmp = util_interleave_lin(cur->mask[i], cur->image[i]); 853 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 854 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 855 } 856 } 857 return 0; 858 } 859 860 uint16_t 861 util_interleave(uint8_t b1, uint8_t b2) 862 { 863 int i; 864 uint16_t ret = 0; 865 uint16_t mask = 0x8000; 866 uint8_t mask8 = 0x01; 867 868 for (i = 0; i < 8; i++) { 869 if (b1 & mask8) 870 ret |= mask; 871 mask = mask >> 1; 872 if (b2 & mask8) 873 ret |= mask; 874 mask = mask >> 1; 875 mask8 = mask8 << 1; 876 } 877 return ret; 878 } 879 880 uint16_t 881 util_interleave_lin(uint8_t b1, uint8_t b2) 882 { 883 int i; 884 uint16_t ret = 0; 885 uint16_t mask = 0x8000; 886 uint8_t mask8 = 0x80; 887 888 for (i = 0; i < 8; i++) { 889 if (b1 & mask8) 890 ret |= mask; 891 mask = mask >> 1; 892 if (b2 & mask8) 893 ret |= mask; 894 mask = mask >> 1; 895 mask8 = mask8 >> 1; 896 } 897 return ret; 898 } 899 900 /* and now the /dev/fb* stuff */ 901 static void 902 agten_fb_unblank(device_t dev) 903 { 904 struct agten_softc *sc = device_private(dev); 905 906 agten_init(sc); 907 agten_set_video(sc, 1); 908 } 909 910 static int 911 agten_fb_open(dev_t dev, int flags, int mode, struct lwp *l) 912 { 913 struct agten_softc *sc = device_private(agten_cd.cd_devs[minor(dev)]); 914 int unit = minor(dev); 915 916 if (unit >= agten_cd.cd_ndevs || agten_cd.cd_devs[unit] == NULL) 917 return (ENXIO); 918 if (sc->sc_fb_is_open) 919 return 0; 920 921 sc->sc_fb_is_open++; 922 agten_gfx(sc); 923 924 return (0); 925 } 926 927 static int 928 agten_fb_close(dev_t dev, int flags, int mode, struct lwp *l) 929 { 930 struct agten_softc *sc = device_private(agten_cd.cd_devs[minor(dev)]); 931 932 sc->sc_fb_is_open--; 933 if (sc->sc_fb_is_open < 0) 934 sc->sc_fb_is_open = 0; 935 936 if (sc->sc_fb_is_open == 0) { 937 agten_init(sc); 938 vcons_redraw_screen(sc->vd.active); 939 } 940 941 return (0); 942 } 943 944 static int 945 agten_fb_ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 946 { 947 struct agten_softc *sc = device_private(agten_cd.cd_devs[minor(dev)]); 948 struct fbgattr *fba; 949 int error; 950 951 switch (cmd) { 952 953 case FBIOGTYPE: 954 *(struct fbtype *)data = sc->sc_fb.fb_type; 955 break; 956 957 case FBIOGATTR: 958 fba = (struct fbgattr *)data; 959 fba->real_type = sc->sc_fb.fb_type.fb_type; 960 fba->owner = 0; /* XXX ??? */ 961 fba->fbtype = sc->sc_fb.fb_type; 962 fba->sattr.flags = 0; 963 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 964 fba->sattr.dev_specific[0] = -1; 965 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 966 fba->emu_types[1] = -1; 967 break; 968 969 case FBIOGETCMAP: 970 #define p ((struct fbcmap *)data) 971 return (bt_getcmap(p, &sc->sc_cmap, 256, 1)); 972 973 case FBIOPUTCMAP: 974 /* copy to software map */ 975 error = bt_putcmap(p, &sc->sc_cmap, 256, 1); 976 if (error) 977 return (error); 978 /* now blast them into the chip */ 979 /* don't bother - we're 24bit */ 980 #undef p 981 break; 982 983 case FBIOGVIDEO: 984 *(int *)data = agten_get_video(sc); 985 break; 986 987 case FBIOSVIDEO: 988 agten_set_video(sc, *(int *)data); 989 break; 990 991 /* these are for both FBIOSCURSOR and FBIOGCURSOR */ 992 #define p ((struct fbcursor *)data) 993 #define pc (&sc->sc_cursor) 994 995 case FBIOGCURSOR: 996 /* does anyone use this ioctl?! */ 997 p->set = FB_CUR_SETALL; /* close enough, anyway */ 998 p->enable = 1; 999 p->pos.x = sc->sc_cursor_x; 1000 p->pos.y = sc->sc_cursor_y; 1001 p->size.x = 64; 1002 p->size.y = 64; 1003 break; 1004 1005 case FBIOSCURSOR: 1006 agten_do_sun_cursor(sc, p); 1007 break; 1008 1009 #undef p 1010 #undef cc 1011 1012 case FBIOGCURPOS: 1013 { 1014 struct fbcurpos *cp = (struct fbcurpos *)data; 1015 cp->x = sc->sc_cursor_x; 1016 cp->y = sc->sc_cursor_y; 1017 } 1018 break; 1019 1020 case FBIOSCURPOS: 1021 { 1022 struct fbcurpos *cp = (struct fbcurpos *)data; 1023 agten_move_cursor(sc, cp->x, cp->y); 1024 } 1025 break; 1026 1027 case FBIOGCURMAX: 1028 /* max cursor size is 64x64 */ 1029 ((struct fbcurpos *)data)->x = 64; 1030 ((struct fbcurpos *)data)->y = 64; 1031 break; 1032 1033 default: 1034 return (ENOTTY); 1035 } 1036 return (0); 1037 } 1038 1039 static paddr_t 1040 agten_fb_mmap(dev_t dev, off_t off, int prot) 1041 { 1042 struct agten_softc *sc = device_private(agten_cd.cd_devs[minor(dev)]); 1043 1044 /* 1045 * mappings are subject to change 1046 * for now we put the framebuffer at offset 0 and the GLint registers 1047 * right after that. We may want to expose more register ranges and 1048 * probably will want to map the 2nd framebuffer as well 1049 */ 1050 1051 if (off < 0) 1052 return EINVAL; 1053 1054 if (off >= sc->sc_glint_fbsz + 0x10000) 1055 return EINVAL; 1056 1057 if (off < sc->sc_glint_fbsz) { 1058 return (bus_space_mmap(sc->sc_bustag, 1059 sc->sc_glint_fb, 1060 off, 1061 prot, 1062 BUS_SPACE_MAP_LINEAR)); 1063 } 1064 1065 off -= sc->sc_glint_fbsz; 1066 if (off < 0x10000) { 1067 return (bus_space_mmap(sc->sc_bustag, 1068 sc->sc_glint_regs, 1069 off, 1070 prot, 1071 BUS_SPACE_MAP_LINEAR)); 1072 } 1073 return EINVAL; 1074 } 1075
Indexes created Thu Oct 23 22:10:10 GMT 2025