1 /* $NetBSD: tcx.c,v 1.43 2010/05/04 05:10:25 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 1996, 1998, 2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg and Michael Lorenz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 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 /* 33 * color display (TCX) driver. 34 * 35 * Does not handle interrupts, even though they can occur. 36 * 37 * XXX should defer colormap updates to vertical retrace interrupts 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: tcx.c,v 1.43 2010/05/04 05:10:25 macallan Exp $"); 42 43 /* 44 * define for cg8 emulation on S24 (24-bit version of tcx) for the SS5; 45 * it is bypassed on the 8-bit version (onboard framebuffer for SS4) 46 */ 47 #undef TCX_CG8 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/buf.h> 52 #include <sys/device.h> 53 #include <sys/ioctl.h> 54 #include <sys/malloc.h> 55 #include <sys/mman.h> 56 #include <sys/tty.h> 57 #include <sys/conf.h> 58 59 #ifdef DEBUG 60 #include <sys/proc.h> 61 #include <sys/syslog.h> 62 #endif 63 64 #include <sys/bus.h> 65 #include <machine/autoconf.h> 66 67 #include <dev/sun/fbio.h> 68 #include <dev/sun/fbvar.h> 69 #include <dev/sun/btreg.h> 70 #include <dev/sun/btvar.h> 71 72 #include <dev/sbus/sbusvar.h> 73 #include <dev/sbus/tcxreg.h> 74 75 #include <dev/wscons/wsdisplayvar.h> 76 #include <dev/wscons/wsconsio.h> 77 #include <dev/wsfont/wsfont.h> 78 #include <dev/rasops/rasops.h> 79 80 #include <dev/wscons/wsdisplay_vconsvar.h> 81 82 #include "opt_wsemul.h" 83 84 #include "ioconf.h" 85 86 /* per-display variables */ 87 struct tcx_softc { 88 device_t sc_dev; /* base device */ 89 struct fbdevice sc_fb; /* frame buffer device */ 90 bus_space_tag_t sc_bustag; 91 struct openprom_addr sc_physaddr[TCX_NREG];/* phys addr of h/w */ 92 93 bus_space_handle_t sc_bt; /* Brooktree registers */ 94 bus_space_handle_t sc_thc; /* THC registers */ 95 uint8_t *sc_fbaddr; /* framebuffer */ 96 uint64_t *sc_rblit; /* blitspace */ 97 uint64_t *sc_rstip; /* stipple space */ 98 99 short sc_8bit; /* true if 8-bit hardware */ 100 short sc_blanked; /* true if blanked */ 101 u_char sc_cmap_red[256]; 102 u_char sc_cmap_green[256]; 103 u_char sc_cmap_blue[256]; 104 int sc_mode, sc_bg; 105 int sc_cursor_x, sc_cursor_y; 106 int sc_hotspot_x, sc_hotspot_y; 107 struct vcons_data vd; 108 }; 109 110 static struct vcons_screen tcx_console_screen; 111 112 extern const u_char rasops_cmap[768]; 113 114 struct wsscreen_descr tcx_defscreendesc = { 115 "default", 116 0, 0, 117 NULL, 118 8, 16, 119 WSSCREEN_WSCOLORS, 120 }; 121 122 const struct wsscreen_descr *_tcx_scrlist[] = { 123 &tcx_defscreendesc, 124 /* XXX other formats, graphics screen? */ 125 }; 126 127 struct wsscreen_list tcx_screenlist = { 128 sizeof(_tcx_scrlist) / sizeof(struct wsscreen_descr *), 129 _tcx_scrlist 130 }; 131 132 /* 133 * The S24 provides the framebuffer RAM mapped in three ways: 134 * 26 bits per pixel, in 32-bit words; the low-order 24 bits are 135 * blue, green, and red values, and the other two bits select the 136 * display modes, per pixel); 137 * 24 bits per pixel, in 32-bit words; the high-order byte reads as 138 * zero, and is ignored on writes (so the mode bits cannot be altered); 139 * 8 bits per pixel, unpadded; writes to this space do not modify the 140 * other 18 bits. 141 */ 142 #define TCX_CTL_8_MAPPED 0x00000000 /* 8 bits, uses color map */ 143 #define TCX_CTL_24_MAPPED 0x01000000 /* 24 bits, uses color map */ 144 #define TCX_CTL_24_LEVEL 0x03000000 /* 24 bits, ignores color map */ 145 #define TCX_CTL_PIXELMASK 0x00FFFFFF /* mask for index/level */ 146 147 /* autoconfiguration driver */ 148 static void tcxattach(device_t, device_t, void *); 149 static int tcxmatch(device_t, cfdata_t, void *); 150 static void tcx_unblank(device_t); 151 152 CFATTACH_DECL_NEW(tcx, sizeof(struct tcx_softc), 153 tcxmatch, tcxattach, NULL, NULL); 154 155 dev_type_open(tcxopen); 156 dev_type_close(tcxclose); 157 dev_type_ioctl(tcxioctl); 158 dev_type_mmap(tcxmmap); 159 160 const struct cdevsw tcx_cdevsw = { 161 tcxopen, tcxclose, noread, nowrite, tcxioctl, 162 nostop, notty, nopoll, tcxmmap, nokqfilter, 163 }; 164 165 /* frame buffer generic driver */ 166 static struct fbdriver tcx_fbdriver = { 167 tcx_unblank, tcxopen, tcxclose, tcxioctl, nopoll, tcxmmap, 168 nokqfilter 169 }; 170 171 static void tcx_reset(struct tcx_softc *); 172 static void tcx_loadcmap(struct tcx_softc *, int, int); 173 174 static int tcx_ioctl(void *, void *, u_long, void *, int, struct lwp *); 175 static paddr_t tcx_mmap(void *, void *, off_t, int); 176 177 static void tcx_init_screen(void *, struct vcons_screen *, int, long *); 178 static void tcx_clearscreen(struct tcx_softc *, int); 179 static void tcx_copyrows(void *, int, int, int); 180 static void tcx_eraserows(void *, int, int, long); 181 static void tcx_putchar(void *, int, int, u_int, long); 182 static void tcx_set_video(struct tcx_softc *, int); 183 static int tcx_do_cursor(struct tcx_softc *, struct wsdisplay_cursor *); 184 static void tcx_set_cursor(struct tcx_softc *); 185 186 struct wsdisplay_accessops tcx_accessops = { 187 tcx_ioctl, 188 tcx_mmap, 189 NULL, /* vcons_alloc_screen */ 190 NULL, /* vcons_free_screen */ 191 NULL, /* vcons_show_screen */ 192 NULL, /* load_font */ 193 NULL, /* polls */ 194 NULL, /* scroll */ 195 }; 196 197 #define OBPNAME "SUNW,tcx" 198 199 #ifdef TCX_CG8 200 /* 201 * For CG8 emulation, we map the 32-bit-deep framebuffer at an offset of 202 * 256K; the cg8 space begins with a mono overlay plane and an overlay 203 * enable plane (128K bytes each, 1 bit per pixel), immediately followed 204 * by the color planes, 32 bits per pixel. We also map just the 32-bit 205 * framebuffer at 0x04000000 (TCX_USER_RAM_COMPAT), for compatibility 206 * with the cg8 driver. 207 */ 208 #define TCX_CG8OVERLAY (256 * 1024) 209 #define TCX_SIZE_DFB32 (1152 * 900 * 4) /* max size of the framebuffer */ 210 #endif 211 212 /* 213 * Match a tcx. 214 */ 215 int 216 tcxmatch(device_t parent, cfdata_t cf, void *aux) 217 { 218 struct sbus_attach_args *sa = aux; 219 220 return (strcmp(sa->sa_name, OBPNAME) == 0); 221 } 222 223 /* 224 * Attach a display. 225 */ 226 void 227 tcxattach(device_t parent, device_t self, void *args) 228 { 229 struct tcx_softc *sc = device_private(self); 230 struct sbus_attach_args *sa = args; 231 struct wsemuldisplaydev_attach_args aa; 232 struct rasops_info *ri; 233 unsigned long defattr; 234 int node, ramsize; 235 struct fbdevice *fb = &sc->sc_fb; 236 bus_space_handle_t bh; 237 int isconsole, i, j; 238 uint32_t confreg; 239 240 sc->sc_dev = self; 241 sc->sc_bustag = sa->sa_bustag; 242 node = sa->sa_node; 243 244 sc->sc_cursor_x = 0x7fff; 245 sc->sc_cursor_y = 0x7fff; 246 sc->sc_hotspot_x = 0; 247 sc->sc_hotspot_y = 0; 248 249 fb->fb_driver = &tcx_fbdriver; 250 fb->fb_device = sc->sc_dev; 251 /* Mask out invalid flags from the user. */ 252 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 253 /* 254 * The onboard framebuffer on the SS4 supports only 8-bit mode; 255 * it can be distinguished from the S24 card for the SS5 by the 256 * presence of the "tcx-8-bit" attribute on the SS4 version. 257 */ 258 sc->sc_8bit = node_has_property(node, "tcx-8-bit"); 259 fb->fb_type.fb_depth = 8; 260 fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node); 261 262 if (sc->sc_8bit) { 263 printf(" (8bit only TCX)"); 264 ramsize = 1024 * 1024; 265 /* XXX - fix THC and TEC offsets */ 266 sc->sc_physaddr[TCX_REG_TEC].oa_base += 0x1000; 267 sc->sc_physaddr[TCX_REG_THC].oa_base += 0x1000; 268 } else { 269 printf(" (S24)\n"); 270 ramsize = 4 * 1024 * 1024; 271 } 272 273 fb->fb_type.fb_cmsize = 256; 274 fb->fb_type.fb_size = ramsize; 275 printf("%s: %s, %d x %d", device_xname(self), OBPNAME, 276 fb->fb_type.fb_width, 277 fb->fb_type.fb_height); 278 279 fb->fb_type.fb_type = FBTYPE_TCXCOLOR; 280 281 282 if (sa->sa_nreg != TCX_NREG) { 283 printf("%s: only %d register sets\n", 284 device_xname(self), sa->sa_nreg); 285 return; 286 } 287 memcpy(sc->sc_physaddr, sa->sa_reg, 288 sa->sa_nreg * sizeof(struct openprom_addr)); 289 290 /* Map the register banks we care about */ 291 if (sbus_bus_map(sa->sa_bustag, 292 sc->sc_physaddr[TCX_REG_THC].oa_space, 293 sc->sc_physaddr[TCX_REG_THC].oa_base, 294 0x1000, 295 BUS_SPACE_MAP_LINEAR, &sc->sc_thc) != 0) { 296 printf("tcxattach: cannot map thc registers\n"); 297 return; 298 } 299 300 if (sbus_bus_map(sa->sa_bustag, 301 sc->sc_physaddr[TCX_REG_CMAP].oa_space, 302 sc->sc_physaddr[TCX_REG_CMAP].oa_base, 303 0x1000, 304 BUS_SPACE_MAP_LINEAR, &sc->sc_bt) != 0) { 305 printf("tcxattach: cannot map bt registers\n"); 306 return; 307 } 308 309 /* map the 8bit dumb FB for the console */ 310 if (sbus_bus_map(sa->sa_bustag, 311 sc->sc_physaddr[TCX_REG_DFB8].oa_space, 312 sc->sc_physaddr[TCX_REG_DFB8].oa_base, 313 1024 * 1024, 314 BUS_SPACE_MAP_LINEAR, 315 &bh) != 0) { 316 printf("tcxattach: cannot map framebuffer\n"); 317 return; 318 } 319 sc->sc_fbaddr = bus_space_vaddr(sa->sa_bustag, bh); 320 321 /* RBLIT space */ 322 if (sbus_bus_map(sa->sa_bustag, 323 sc->sc_physaddr[TCX_REG_RBLIT].oa_space, 324 sc->sc_physaddr[TCX_REG_RBLIT].oa_base, 325 8 * 1024 * 1024, 326 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 327 &bh) != 0) { 328 printf("tcxattach: cannot map RBLIT space\n"); 329 return; 330 } 331 sc->sc_rblit = bus_space_vaddr(sa->sa_bustag, bh); 332 333 /* RSTIP space */ 334 if (sbus_bus_map(sa->sa_bustag, 335 sc->sc_physaddr[TCX_REG_RSTIP].oa_space, 336 sc->sc_physaddr[TCX_REG_RSTIP].oa_base, 337 8 * 1024 * 1024, 338 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 339 &bh) != 0) { 340 printf("tcxattach: cannot map RSTIP space\n"); 341 return; 342 } 343 sc->sc_rstip = bus_space_vaddr(sa->sa_bustag, bh); 344 345 isconsole = fb_is_console(node); 346 347 confreg = bus_space_read_4(sa->sa_bustag, sc->sc_thc, THC_CONFIG); 348 printf(", id %d, rev %d, sense %d", 349 (confreg & THC_CFG_FBID) >> THC_CFG_FBID_SHIFT, 350 (confreg & THC_CFG_REV) >> THC_CFG_REV_SHIFT, 351 (confreg & THC_CFG_SENSE) >> THC_CFG_SENSE_SHIFT 352 ); 353 354 /* reset cursor & frame buffer controls */ 355 tcx_reset(sc); 356 357 /* Initialize the default color map. */ 358 j = 0; 359 for (i = 0; i < 256; i++) { 360 361 sc->sc_cmap_red[i] = rasops_cmap[j]; 362 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 363 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 364 j += 3; 365 } 366 tcx_loadcmap(sc, 0, 256); 367 368 tcx_set_cursor(sc); 369 /* enable video */ 370 confreg = bus_space_read_4(sa->sa_bustag, sc->sc_thc, THC_MISC); 371 confreg |= THC_MISC_VIDEN; 372 bus_space_write_4(sa->sa_bustag, sc->sc_thc, THC_MISC, confreg); 373 374 if (isconsole) { 375 printf(" (console)\n"); 376 } else 377 printf("\n"); 378 379 fb_attach(&sc->sc_fb, isconsole); 380 381 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 382 wsfont_init(); 383 384 vcons_init(&sc->vd, sc, &tcx_defscreendesc, &tcx_accessops); 385 sc->vd.init_screen = tcx_init_screen; 386 387 vcons_init_screen(&sc->vd, &tcx_console_screen, 1, &defattr); 388 tcx_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 389 390 sc->sc_bg = (defattr >> 16) & 0xff; 391 tcx_clearscreen(sc, 0); 392 393 ri = &tcx_console_screen.scr_ri; 394 395 tcx_defscreendesc.nrows = ri->ri_rows; 396 tcx_defscreendesc.ncols = ri->ri_cols; 397 tcx_defscreendesc.textops = &ri->ri_ops; 398 tcx_defscreendesc.capabilities = ri->ri_caps; 399 400 if(isconsole) { 401 wsdisplay_cnattach(&tcx_defscreendesc, ri, 0, 0, defattr); 402 vcons_replay_msgbuf(&tcx_console_screen); 403 } 404 405 aa.console = isconsole; 406 aa.scrdata = &tcx_screenlist; 407 aa.accessops = &tcx_accessops; 408 aa.accesscookie = &sc->vd; 409 410 config_found(self, &aa, wsemuldisplaydevprint); 411 /* 412 * we need to do this again - something overwrites a handful 413 * palette registers and we end up with white in reg. 0 414 */ 415 tcx_loadcmap(sc, 0, 256); 416 } 417 418 int 419 tcxopen(dev_t dev, int flags, int mode, struct lwp *l) 420 { 421 return (0); 422 } 423 424 int 425 tcxclose(dev_t dev, int flags, int mode, struct lwp *l) 426 { 427 struct tcx_softc *sc = device_lookup_private(&tcx_cd, minor(dev)); 428 429 tcx_reset(sc); 430 /* we may want to clear and redraw the console here */ 431 return (0); 432 } 433 434 int 435 tcxioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 436 { 437 struct tcx_softc *sc = device_lookup_private(&tcx_cd, minor(dev)); 438 439 switch (cmd) { 440 441 case FBIOGTYPE: 442 *(struct fbtype *)data = sc->sc_fb.fb_type; 443 break; 444 445 case FBIOGATTR: 446 #define fba ((struct fbgattr *)data) 447 fba->real_type = sc->sc_fb.fb_type.fb_type; 448 fba->owner = 0; /* XXX ??? */ 449 fba->fbtype = sc->sc_fb.fb_type; 450 fba->sattr.flags = 0; 451 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 452 fba->sattr.dev_specific[0] = -1; 453 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 454 fba->emu_types[1] = FBTYPE_SUN3COLOR; 455 fba->emu_types[2] = -1; 456 #undef fba 457 break; 458 459 case FBIOGETCMAP: 460 #define p ((struct fbcmap *)data) 461 if (copyout(&sc->sc_cmap_red[p->index], p->red, p->count) != 0) 462 return EINVAL; 463 if (copyout(&sc->sc_cmap_green[p->index], p->green, p->count) 464 != 0) 465 return EINVAL; 466 if (copyout(&sc->sc_cmap_blue[p->index], p->blue, p->count) 467 != 0) 468 return EINVAL; 469 return 0; 470 471 case FBIOPUTCMAP: 472 /* copy to software map */ 473 if (copyin(p->red, &sc->sc_cmap_red[p->index], p->count) != 0) 474 return EINVAL; 475 if (copyin(p->green, &sc->sc_cmap_green[p->index], p->count) 476 != 0) 477 return EINVAL; 478 if (copyin(p->blue, &sc->sc_cmap_blue[p->index], p->count) != 0) 479 return EINVAL; 480 tcx_loadcmap(sc, p->index, p->count); 481 #undef p 482 break; 483 case FBIOGVIDEO: 484 *(int *)data = sc->sc_blanked; 485 break; 486 487 case FBIOSVIDEO: 488 tcx_set_video(sc, *(int *)data); 489 break; 490 491 default: 492 #ifdef DEBUG 493 log(LOG_NOTICE, "tcxioctl(0x%lx) (%s[%d])\n", cmd, 494 l->l_proc->p_comm, l->l_proc->p_pid); 495 #endif 496 return (ENOTTY); 497 } 498 return (0); 499 } 500 501 /* 502 * Clean up hardware state (e.g., after bootup or after X crashes). 503 */ 504 static void 505 tcx_reset(struct tcx_softc *sc) 506 { 507 uint32_t reg; 508 509 reg = bus_space_read_4(sc->sc_bustag, sc->sc_thc, THC_MISC); 510 reg |= THC_MISC_CURSRES; 511 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_MISC, reg); 512 } 513 514 static void 515 tcx_loadcmap(struct tcx_softc *sc, int start, int ncolors) 516 { 517 int i; 518 519 for (i = 0; i < ncolors; i++) { 520 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_ADDRESS, 521 (start + i) << 24); 522 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_FB_LUT, 523 sc->sc_cmap_red[i + start] << 24); 524 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_FB_LUT, 525 sc->sc_cmap_green[i + start] << 24); 526 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_FB_LUT, 527 sc->sc_cmap_blue[i + start] << 24); 528 } 529 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_ADDRESS, 0); 530 } 531 532 static void 533 tcx_unblank(device_t dev) 534 { 535 struct tcx_softc *sc = device_private(dev); 536 537 if (sc->sc_blanked) { 538 uint32_t reg; 539 sc->sc_blanked = 0; 540 reg = bus_space_read_4(sc->sc_bustag, sc->sc_thc, THC_MISC); 541 reg &= ~THC_MISC_VSYNC_DISABLE; 542 reg &= ~THC_MISC_HSYNC_DISABLE; 543 reg |= THC_MISC_VIDEN; 544 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_MISC, reg); 545 } 546 } 547 548 static void 549 tcx_set_video(struct tcx_softc *sc, int unblank) 550 { 551 uint32_t reg; 552 if (unblank) { 553 sc->sc_blanked = 0; 554 reg = bus_space_read_4(sc->sc_bustag, sc->sc_thc, THC_MISC); 555 reg &= ~THC_MISC_VSYNC_DISABLE; 556 reg &= ~THC_MISC_HSYNC_DISABLE; 557 reg |= THC_MISC_VIDEN; 558 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_MISC, reg); 559 } else { 560 sc->sc_blanked = 1; 561 reg = bus_space_read_4(sc->sc_bustag, sc->sc_thc, THC_MISC); 562 reg |= THC_MISC_VSYNC_DISABLE; 563 reg |= THC_MISC_HSYNC_DISABLE; 564 reg &= ~THC_MISC_VIDEN; 565 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_MISC, reg); 566 } 567 } 568 569 /* 570 * Base addresses at which users can mmap() the various pieces of a tcx. 571 */ 572 #define TCX_USER_RAM 0x00000000 573 #define TCX_USER_RAM24 0x01000000 574 #define TCX_USER_RAM_COMPAT 0x04000000 /* cg3 emulation */ 575 #define TCX_USER_STIP 0x10000000 576 #define TCX_USER_BLIT 0x20000000 577 #define TCX_USER_RDFB32 0x28000000 578 #define TCX_USER_RSTIP 0x30000000 579 #define TCX_USER_RBLIT 0x38000000 580 #define TCX_USER_TEC 0x70001000 581 #define TCX_USER_BTREGS 0x70002000 582 #define TCX_USER_THC 0x70004000 583 #define TCX_USER_DHC 0x70008000 584 #define TCX_USER_ALT 0x7000a000 585 #define TCX_USER_UART 0x7000c000 586 #define TCX_USER_VRT 0x7000e000 587 #define TCX_USER_ROM 0x70010000 588 589 struct mmo { 590 u_int mo_uaddr; /* user (virtual) address */ 591 u_int mo_size; /* size, or 0 for video ram size */ 592 u_int mo_bank; /* register bank number */ 593 }; 594 595 /* 596 * Return the address that would map the given device at the given 597 * offset, allowing for the given protection, or return -1 for error. 598 * 599 * XXX needs testing against `demanding' applications (e.g., aviator) 600 */ 601 paddr_t 602 tcxmmap(dev_t dev, off_t off, int prot) 603 { 604 struct tcx_softc *sc = device_lookup_private(&tcx_cd, minor(dev)); 605 struct openprom_addr *rr = sc->sc_physaddr; 606 struct mmo *mo, *mo_end; 607 u_int u, sz; 608 static struct mmo mmo[] = { 609 { TCX_USER_RAM, 0, TCX_REG_DFB8 }, 610 { TCX_USER_RAM24, 0, TCX_REG_DFB24 }, 611 { TCX_USER_RAM_COMPAT, 0, TCX_REG_DFB8 }, 612 613 { TCX_USER_STIP, 1, TCX_REG_STIP }, 614 { TCX_USER_BLIT, 1, TCX_REG_BLIT }, 615 { TCX_USER_RDFB32, 0, TCX_REG_RDFB32 }, 616 { TCX_USER_RSTIP, 1, TCX_REG_RSTIP }, 617 { TCX_USER_RBLIT, 1, TCX_REG_RBLIT }, 618 { TCX_USER_TEC, 1, TCX_REG_TEC }, 619 { TCX_USER_BTREGS, 8192 /* XXX */, TCX_REG_CMAP }, 620 { TCX_USER_THC, 0x2000, TCX_REG_THC }, 621 { TCX_USER_DHC, 1, TCX_REG_DHC }, 622 { TCX_USER_ALT, 1, TCX_REG_ALT }, 623 { TCX_USER_ROM, 65536, TCX_REG_ROM }, 624 }; 625 #define NMMO (sizeof mmo / sizeof *mmo) 626 627 if (off & PGOFSET) 628 panic("tcxmmap"); 629 630 /* 631 * Entries with size 0 map video RAM (i.e., the size in fb data). 632 * Entries that map 32-bit deep regions are adjusted for their 633 * depth (fb_size gives the size of the 8-bit-deep region). 634 * 635 * Since we work in pages, the fact that the map offset table's 636 * sizes are sometimes bizarre (e.g., 1) is effectively ignored: 637 * one byte is as good as one page. 638 */ 639 640 mo = mmo; 641 mo_end = &mmo[NMMO]; 642 643 for (; mo < mo_end; mo++) { 644 if ((u_int)off < mo->mo_uaddr) 645 continue; 646 647 u = off - mo->mo_uaddr; 648 sz = mo->mo_size; 649 650 if (sz == 0) { 651 sz = sc->sc_fb.fb_type.fb_size; 652 /* 653 * check for the 32-bit-deep regions and adjust 654 * accordingly 655 */ 656 if (mo->mo_uaddr == TCX_USER_RAM24 || 657 mo->mo_uaddr == TCX_USER_RDFB32) { 658 if (sc->sc_8bit) { 659 /* 660 * not present on 8-bit hardware 661 */ 662 continue; 663 } 664 sz *= 4; 665 } 666 } 667 if (sz == 1) 668 sz = rr[mo->mo_bank].oa_size; 669 670 if (u < sz) { 671 return (bus_space_mmap(sc->sc_bustag, 672 BUS_ADDR(rr[mo->mo_bank].oa_space, 673 rr[mo->mo_bank].oa_base), 674 u, 675 prot, 676 BUS_SPACE_MAP_LINEAR)); 677 } 678 } 679 return (-1); 680 } 681 682 int 683 tcx_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 684 struct lwp *l) 685 { 686 struct vcons_data *vd = v; 687 struct tcx_softc *sc = vd->cookie; 688 struct wsdisplay_fbinfo *wdf; 689 struct vcons_screen *ms = vd->active; 690 691 switch (cmd) { 692 case WSDISPLAYIO_GTYPE: 693 *(u_int *)data = WSDISPLAY_TYPE_SUNTCX; 694 return 0; 695 696 case FBIOGVIDEO: 697 case WSDISPLAYIO_GVIDEO: 698 *(int *)data = !sc->sc_blanked; 699 return 0; 700 701 case WSDISPLAYIO_SVIDEO: 702 case FBIOSVIDEO: 703 tcx_set_video(sc, *(int *)data); 704 return 0; 705 706 case WSDISPLAYIO_GINFO: 707 wdf = (void *)data; 708 wdf->height = ms->scr_ri.ri_height; 709 wdf->width = ms->scr_ri.ri_width; 710 if (sc->sc_8bit) { 711 wdf->depth = 8; 712 } else { 713 wdf->depth = 32; 714 } 715 wdf->cmsize = 256; 716 return 0; 717 case WSDISPLAYIO_LINEBYTES: 718 { 719 int *ret = (int *)data; 720 *ret = sc->sc_8bit ? ms->scr_ri.ri_width : 721 ms->scr_ri.ri_width << 2; 722 } 723 return 0; 724 #if 0 725 case WSDISPLAYIO_GETCMAP: 726 return tcx_getcmap(sc, (struct wsdisplay_cmap *)data); 727 728 case WSDISPLAYIO_PUTCMAP: 729 return tcx_putcmap(sc, (struct wsdisplay_cmap *)data); 730 #endif 731 case WSDISPLAYIO_SMODE: 732 { 733 int new_mode = *(int*)data; 734 if (new_mode != sc->sc_mode) 735 { 736 sc->sc_mode = new_mode; 737 if (new_mode == WSDISPLAYIO_MODE_EMUL) 738 { 739 tcx_loadcmap(sc, 0, 256); 740 tcx_clearscreen(sc, 0); 741 vcons_redraw_screen(ms); 742 } else if (!sc->sc_8bit) 743 tcx_clearscreen(sc, 3); 744 } 745 } 746 case WSDISPLAYIO_GCURPOS: 747 { 748 struct wsdisplay_curpos *cp = (void *)data; 749 750 cp->x = sc->sc_cursor_x; 751 cp->y = sc->sc_cursor_y; 752 } 753 return 0; 754 755 case WSDISPLAYIO_SCURPOS: 756 { 757 struct wsdisplay_curpos *cp = (void *)data; 758 759 sc->sc_cursor_x = cp->x; 760 sc->sc_cursor_y = cp->y; 761 tcx_set_cursor(sc); 762 } 763 return 0; 764 765 case WSDISPLAYIO_GCURMAX: 766 { 767 struct wsdisplay_curpos *cp = (void *)data; 768 769 cp->x = 32; 770 cp->y = 32; 771 } 772 return 0; 773 774 case WSDISPLAYIO_SCURSOR: 775 { 776 struct wsdisplay_cursor *cursor = (void *)data; 777 778 return tcx_do_cursor(sc, cursor); 779 } 780 } 781 return EPASSTHROUGH; 782 } 783 784 static paddr_t 785 tcx_mmap(void *v, void *vs, off_t offset, int prot) 786 { 787 struct vcons_data *vd = v; 788 struct tcx_softc *sc = vd->cookie; 789 790 /* 'regular' framebuffer mmap()ing */ 791 if (sc->sc_8bit) { 792 /* on 8Bit boards hand over the 8 bit aperture */ 793 if (offset > 1024 * 1024) 794 return -1; 795 return bus_space_mmap(sc->sc_bustag, 796 sc->sc_physaddr[TCX_REG_DFB8].oa_base + offset, 0, prot, 797 BUS_SPACE_MAP_LINEAR); 798 } else { 799 /* ... but if we have a 24bit aperture we use it */ 800 if (offset > 1024 * 1024 * 4) 801 return -1; 802 return bus_space_mmap(sc->sc_bustag, 803 sc->sc_physaddr[TCX_REG_DFB24].oa_base + offset, 0, prot, 804 BUS_SPACE_MAP_LINEAR); 805 } 806 return -1; 807 } 808 809 static void 810 tcx_init_screen(void *cookie, struct vcons_screen *scr, 811 int existing, long *defattr) 812 { 813 struct tcx_softc *sc = cookie; 814 struct rasops_info *ri = &scr->scr_ri; 815 816 ri->ri_depth = 8; 817 ri->ri_width = sc->sc_fb.fb_type.fb_width; 818 ri->ri_height = sc->sc_fb.fb_type.fb_height; 819 ri->ri_stride = sc->sc_fb.fb_linebytes; 820 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 821 822 ri->ri_bits = sc->sc_fbaddr; 823 824 rasops_init(ri, ri->ri_height/8, ri->ri_width/8); 825 ri->ri_caps = WSSCREEN_WSCOLORS; 826 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 827 ri->ri_width / ri->ri_font->fontwidth); 828 829 /* enable acceleration */ 830 ri->ri_ops.copyrows = tcx_copyrows; 831 ri->ri_ops.eraserows = tcx_eraserows; 832 ri->ri_ops.putchar = tcx_putchar; 833 #if 0 834 ri->ri_ops.cursor = tcx_cursor; 835 ri->ri_ops.copycols = tcx_copycols; 836 ri->ri_ops.erasecols = tcx_erasecols; 837 #endif 838 } 839 840 static void 841 tcx_clearscreen(struct tcx_softc *sc, int spc) 842 { 843 uint64_t bg = ((uint64_t)sc->sc_bg << 32) | 0xffffffffLL; 844 uint64_t spc64; 845 int i; 846 847 spc64 = spc & 3; 848 spc64 = spc64 << 56; 849 850 for (i = 0; i < 1024 * 1024; i += 32) 851 sc->sc_rstip[i] = bg | spc64; 852 } 853 854 static void 855 tcx_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 856 { 857 struct rasops_info *ri = cookie; 858 struct vcons_screen *scr = ri->ri_hw; 859 struct tcx_softc *sc = scr->scr_cookie; 860 int i, last, first, len, dest, leftover; 861 862 i = ri->ri_width * ri->ri_font->fontheight * nrows; 863 len = i & 0xffffe0; 864 leftover = i & 0x1f; 865 if (srcrow < dstrow) { 866 /* we must go bottom to top */ 867 first = ri->ri_width * 868 (ri->ri_font->fontheight * srcrow + ri->ri_yorigin); 869 last = first + len; 870 dest = ri->ri_width * 871 (ri->ri_font->fontheight * dstrow + ri->ri_yorigin) + len; 872 if (leftover > 0) { 873 sc->sc_rblit[dest + 32] = 874 (uint64_t)((leftover - 1) << 24) | 875 (uint64_t)(i + 32); 876 } 877 for (i = last; i >= first; i -= 32) { 878 sc->sc_rblit[dest] = 0x300000001f000000LL | (uint64_t)i; 879 dest -= 32; 880 } 881 } else { 882 /* top to bottom */ 883 first = ri->ri_width * 884 (ri->ri_font->fontheight * srcrow + ri->ri_yorigin); 885 dest = ri->ri_width * 886 (ri->ri_font->fontheight * dstrow + ri->ri_yorigin); 887 last = first + len; 888 for (i = first; i <= last; i+= 32) { 889 sc->sc_rblit[dest] = 0x300000001f000000LL | (uint64_t)i; 890 dest += 32; 891 } 892 if (leftover > 0) { 893 sc->sc_rblit[dest] = 894 (uint64_t)((leftover - 1) << 24) | (uint64_t)i; 895 } 896 } 897 } 898 899 static void 900 tcx_eraserows(void *cookie, int start, int nrows, long attr) 901 { 902 struct rasops_info *ri = cookie; 903 struct vcons_screen *scr = ri->ri_hw; 904 struct tcx_softc *sc = scr->scr_cookie; 905 uint64_t temp; 906 int i, last, first, len, leftover; 907 908 i = ri->ri_width * ri->ri_font->fontheight * nrows; 909 len = i & 0xffffe0; 910 leftover = i & 0x1f; 911 first = ri->ri_width * 912 (ri->ri_font->fontheight * start + ri->ri_yorigin); 913 last = first + len; 914 temp = 0x30000000ffffffffLL | 915 ((uint64_t)ri->ri_devcmap[(attr >> 16) & 0xff] << 32); 916 917 for (i = first; i <= last; i+= 32) 918 sc->sc_rblit[i] = temp; 919 920 if (leftover > 0) { 921 temp &= 0xffffffffffffffffLL << (32 - leftover); 922 sc->sc_rblit[i] = temp; 923 } 924 } 925 /* 926 * The stipple engine is 100% retarded. All drawing operations have to start 927 * at 32 pixel boundaries so we'll have to deal with characters being split. 928 */ 929 930 static void 931 tcx_putchar(void *cookie, int row, int col, u_int c, long attr) 932 { 933 struct rasops_info *ri = cookie; 934 struct wsdisplay_font *font = PICK_FONT(ri, c); 935 struct vcons_screen *scr = ri->ri_hw; 936 struct tcx_softc *sc = scr->scr_cookie; 937 uint64_t bg, fg, temp, mask; 938 int addr, i, uc, shift; 939 uint32_t fmask; 940 uint8_t *cdata; 941 uint16_t *wdata; 942 943 addr = ri->ri_xorigin + col * font->fontwidth + 944 (ri->ri_yorigin + row * font->fontheight) * ri->ri_width; 945 946 /* check if the character is crossing a 32 pixel boundary */ 947 if ((addr & 0xffffe0) == 948 ((addr + font->fontwidth - 1) & 0xffffe0)) { 949 /* phew, not split */ 950 shift = addr & 0x1f; 951 addr &= 0xffffe0; 952 fmask = 0xffffffff >> (32 - font->fontwidth); 953 fmask = fmask << (32 - font->fontwidth - shift); 954 mask = fmask; 955 bg = 0x3000000000000000LL | 956 ((uint64_t)ri->ri_devcmap[(attr >> 16) & 0xff] & 957 0xff) << 32; 958 bg |= mask; 959 temp = 0x3000000000000000LL | 960 ((uint64_t)ri->ri_devcmap[(attr >> 24) & 0xff] & 0xff) << 961 32; 962 uc = c - font->firstchar; 963 cdata = (uint8_t *)font->data + uc * ri->ri_fontscale; 964 965 if (font->fontwidth < 9) { 966 /* byte by byte */ 967 for (i = 0; i < font->fontheight; i++) { 968 sc->sc_rstip[addr] = bg; 969 if (*cdata != 0) { 970 if (shift > 24) { 971 fg = (uint64_t)*cdata >> 972 (shift - 24); 973 } else { 974 fg = (uint64_t)*cdata << 975 (24 - shift); 976 } 977 sc->sc_rstip[addr] = fg | temp; 978 } 979 cdata++; 980 addr += ri->ri_width; 981 } 982 } else if (font->fontwidth < 17) { 983 /* short by short */ 984 wdata = (uint16_t *)cdata; 985 for (i = 0; i < font->fontheight; i++) { 986 sc->sc_rstip[addr] = bg; 987 if (*wdata != 0) { 988 if (shift > 16) { 989 fg = temp | (uint64_t)*wdata >> 990 (shift - 16); 991 } else { 992 fg = temp | (uint64_t)*wdata << 993 (16 - shift); 994 } 995 sc->sc_rstip[addr] = fg; 996 } 997 wdata++; 998 addr += ri->ri_width; 999 } 1000 } 1001 } else { 1002 /* and now the split case ( man this hardware is dumb ) */ 1003 uint64_t bgr, maskr, fgr; 1004 uint32_t bork; 1005 1006 shift = addr & 0x1f; 1007 addr &= 0xffffe0; 1008 mask = 0xffffffff >> shift; 1009 maskr = (uint64_t)(0xffffffffUL << 1010 (32 - (font->fontwidth + shift - 32))); 1011 bg = 0x3000000000000000LL | 1012 ((uint64_t)ri->ri_devcmap[(attr >> 16) & 0xff] & 1013 0xff) << 32; 1014 bgr = bg | maskr; 1015 bg |= mask; 1016 temp = 0x3000000000000000LL | 1017 ((uint64_t)ri->ri_devcmap[(attr >> 24) & 0xff] & 0xff) << 1018 32; 1019 1020 uc = c - font->firstchar; 1021 cdata = (uint8_t *)font->data + uc * ri->ri_fontscale; 1022 1023 if (font->fontwidth < 9) { 1024 /* byte by byte */ 1025 for (i = 0; i < font->fontheight; i++) { 1026 sc->sc_rstip[addr] = bg; 1027 sc->sc_rstip[addr + 32] = bgr; 1028 bork = *cdata; 1029 if (bork != 0) { 1030 fg = (uint64_t)bork >> (shift - 24); 1031 sc->sc_rstip[addr] = fg | temp; 1032 fgr = (uint64_t)(bork << (52 - shift)); 1033 sc->sc_rstip[addr] = fgr | temp; 1034 } 1035 cdata++; 1036 addr += ri->ri_width; 1037 } 1038 } else if (font->fontwidth < 17) { 1039 /* short by short */ 1040 wdata = (uint16_t *)cdata; 1041 for (i = 0; i < font->fontheight; i++) { 1042 sc->sc_rstip[addr] = bg; 1043 sc->sc_rstip[addr + 32] = bgr; 1044 bork = *wdata; 1045 if (bork != 0) { 1046 fg = (uint64_t)bork >> (shift - 16); 1047 sc->sc_rstip[addr] = fg | temp; 1048 fgr = (uint64_t)(bork << (48 - shift)); 1049 sc->sc_rstip[addr + 32] = fgr | temp; 1050 } 1051 wdata++; 1052 addr += ri->ri_width; 1053 } 1054 } 1055 1056 } 1057 } 1058 1059 static int 1060 tcx_do_cursor(struct tcx_softc *sc, struct wsdisplay_cursor *cur) 1061 { 1062 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1063 1064 if (cur->enable) { 1065 tcx_set_cursor(sc); 1066 } else { 1067 /* move the cursor out of sight */ 1068 bus_space_write_4(sc->sc_bustag, sc->sc_thc, 1069 THC_CURSOR_POS, 0x7fff7fff); 1070 } 1071 } 1072 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1073 1074 sc->sc_hotspot_x = cur->hot.x; 1075 sc->sc_hotspot_y = cur->hot.y; 1076 tcx_set_cursor(sc); 1077 } 1078 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1079 1080 sc->sc_cursor_x = cur->pos.x; 1081 sc->sc_cursor_y = cur->pos.y; 1082 tcx_set_cursor(sc); 1083 } 1084 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1085 #if 0 1086 /* 1087 * apparently we're not writing in the right register here - if we do 1088 * this the screen goes all funky 1089 */ 1090 int i; 1091 1092 for (i = 0; i < cur->cmap.count; i++) { 1093 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_ADDRESS, 1094 (cur->cmap.index + i + 2) << 24); 1095 bus_space_write_4(sc->sc_bustag, sc->sc_bt, 1096 DAC_CURSOR_LUT, cur->cmap.red[i] << 24); 1097 bus_space_write_4(sc->sc_bustag, sc->sc_bt, 1098 DAC_CURSOR_LUT, cur->cmap.green[i] << 24); 1099 bus_space_write_4(sc->sc_bustag, sc->sc_bt, 1100 DAC_CURSOR_LUT, cur->cmap.blue[i] << 24); 1101 } 1102 #endif 1103 } 1104 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1105 int i; 1106 uint32_t temp, poof; 1107 1108 for (i = 0; i < 128; i += 4) { 1109 memcpy(&temp, &cur->mask[i], 4); 1110 printf("%08x -> ", temp); 1111 poof = ((temp & 0x80808080) >> 7) | 1112 ((temp & 0x40404040) >> 5) | 1113 ((temp & 0x20202020) >> 3) | 1114 ((temp & 0x10101010) >> 1) | 1115 ((temp & 0x08080808) << 1) | 1116 ((temp & 0x04040404) << 3) | 1117 ((temp & 0x02020202) << 5) | 1118 ((temp & 0x01010101) << 7); 1119 printf("%08x\n", poof); 1120 bus_space_write_4(sc->sc_bustag, sc->sc_thc, 1121 THC_CURSOR_1 + i, poof); 1122 memcpy(&temp, &cur->image[i], 4); 1123 poof = ((temp & 0x80808080) >> 7) | 1124 ((temp & 0x40404040) >> 5) | 1125 ((temp & 0x20202020) >> 3) | 1126 ((temp & 0x10101010) >> 1) | 1127 ((temp & 0x08080808) << 1) | 1128 ((temp & 0x04040404) << 3) | 1129 ((temp & 0x02020202) << 5) | 1130 ((temp & 0x01010101) << 7); 1131 bus_space_write_4(sc->sc_bustag, sc->sc_thc, 1132 THC_CURSOR_0 + i, poof); 1133 } 1134 } 1135 return 0; 1136 } 1137 1138 static void 1139 tcx_set_cursor(struct tcx_softc *sc) 1140 { 1141 uint32_t reg; 1142 1143 reg = (sc->sc_cursor_x - sc->sc_hotspot_x) << 16 | 1144 ((sc->sc_cursor_y - sc->sc_hotspot_y) & 0xffff); 1145 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_CURSOR_POS, reg); 1146 } 1147 1148