tcx.c revision 1.37
1 /* $NetBSD: tcx.c,v 1.37 2009/08/20 00:59:28 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 1.37 2009/08/20 00:59:28 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 /* per-display variables */ 85 struct tcx_softc { 86 device_t sc_dev; /* base device */ 87 struct sbusdev sc_sd; /* sbus device */ 88 struct fbdevice sc_fb; /* frame buffer device */ 89 bus_space_tag_t sc_bustag; 90 struct openprom_addr sc_physaddr[TCX_NREG];/* phys addr of h/w */ 91 92 bus_space_handle_t sc_bt; /* Brooktree registers */ 93 bus_space_handle_t sc_thc; /* THC registers */ 94 uint8_t *sc_fbaddr; /* framebuffer */ 95 uint64_t *sc_rblit; /* blitspace */ 96 uint64_t *sc_rstip; /* stipple space */ 97 98 short sc_8bit; /* true if 8-bit hardware */ 99 short sc_blanked; /* true if blanked */ 100 u_char sc_cmap_red[256]; 101 u_char sc_cmap_green[256]; 102 u_char sc_cmap_blue[256]; 103 int sc_mode, sc_bg; 104 int sc_cursor_x, sc_cursor_y; 105 int sc_hotspot_x, sc_hotspot_y; 106 struct vcons_data vd; 107 }; 108 109 static struct vcons_screen tcx_console_screen; 110 111 extern const u_char rasops_cmap[768]; 112 113 struct wsscreen_descr tcx_defscreendesc = { 114 "default", 115 0, 0, 116 NULL, 117 8, 16, 118 WSSCREEN_WSCOLORS, 119 }; 120 121 const struct wsscreen_descr *_tcx_scrlist[] = { 122 &tcx_defscreendesc, 123 /* XXX other formats, graphics screen? */ 124 }; 125 126 struct wsscreen_list tcx_screenlist = { 127 sizeof(_tcx_scrlist) / sizeof(struct wsscreen_descr *), 128 _tcx_scrlist 129 }; 130 131 /* 132 * The S24 provides the framebuffer RAM mapped in three ways: 133 * 26 bits per pixel, in 32-bit words; the low-order 24 bits are 134 * blue, green, and red values, and the other two bits select the 135 * display modes, per pixel); 136 * 24 bits per pixel, in 32-bit words; the high-order byte reads as 137 * zero, and is ignored on writes (so the mode bits cannot be altered); 138 * 8 bits per pixel, unpadded; writes to this space do not modify the 139 * other 18 bits. 140 */ 141 #define TCX_CTL_8_MAPPED 0x00000000 /* 8 bits, uses color map */ 142 #define TCX_CTL_24_MAPPED 0x01000000 /* 24 bits, uses color map */ 143 #define TCX_CTL_24_LEVEL 0x03000000 /* 24 bits, ignores color map */ 144 #define TCX_CTL_PIXELMASK 0x00FFFFFF /* mask for index/level */ 145 146 /* autoconfiguration driver */ 147 static void tcxattach(device_t, device_t, void *); 148 static int tcxmatch(device_t, cfdata_t, void *); 149 static void tcx_unblank(device_t); 150 151 CFATTACH_DECL_NEW(tcx, sizeof(struct tcx_softc), 152 tcxmatch, tcxattach, NULL, NULL); 153 154 extern struct cfdriver tcx_cd; 155 156 dev_type_open(tcxopen); 157 dev_type_close(tcxclose); 158 dev_type_ioctl(tcxioctl); 159 dev_type_mmap(tcxmmap); 160 161 const struct cdevsw tcx_cdevsw = { 162 tcxopen, tcxclose, noread, nowrite, tcxioctl, 163 nostop, notty, nopoll, tcxmmap, nokqfilter, 164 }; 165 166 /* frame buffer generic driver */ 167 static struct fbdriver tcx_fbdriver = { 168 tcx_unblank, tcxopen, tcxclose, tcxioctl, nopoll, tcxmmap, 169 nokqfilter 170 }; 171 172 static void tcx_reset(struct tcx_softc *); 173 static void tcx_loadcmap(struct tcx_softc *, int, int); 174 175 static int tcx_ioctl(void *, void *, u_long, void *, int, struct lwp *); 176 static paddr_t tcx_mmap(void *, void *, off_t, int); 177 178 static void tcx_init_screen(void *, struct vcons_screen *, int, long *); 179 static void tcx_clearscreen(struct tcx_softc *, int); 180 static void tcx_copyrows(void *, int, int, int); 181 static void tcx_eraserows(void *, int, int, long); 182 static void tcx_putchar(void *, int, int, u_int, long); 183 static void tcx_set_video(struct tcx_softc *, int); 184 static int tcx_do_cursor(struct tcx_softc *, struct wsdisplay_cursor *); 185 static void tcx_set_cursor(struct tcx_softc *); 186 187 struct wsdisplay_accessops tcx_accessops = { 188 tcx_ioctl, 189 tcx_mmap, 190 NULL, /* vcons_alloc_screen */ 191 NULL, /* vcons_free_screen */ 192 NULL, /* vcons_show_screen */ 193 NULL, /* load_font */ 194 NULL, /* polls */ 195 NULL, /* scroll */ 196 }; 197 198 #define OBPNAME "SUNW,tcx" 199 200 #ifdef TCX_CG8 201 /* 202 * For CG8 emulation, we map the 32-bit-deep framebuffer at an offset of 203 * 256K; the cg8 space begins with a mono overlay plane and an overlay 204 * enable plane (128K bytes each, 1 bit per pixel), immediately followed 205 * by the color planes, 32 bits per pixel. We also map just the 32-bit 206 * framebuffer at 0x04000000 (TCX_USER_RAM_COMPAT), for compatibility 207 * with the cg8 driver. 208 */ 209 #define TCX_CG8OVERLAY (256 * 1024) 210 #define TCX_SIZE_DFB32 (1152 * 900 * 4) /* max size of the framebuffer */ 211 #endif 212 213 /* 214 * Match a tcx. 215 */ 216 int 217 tcxmatch(device_t parent, cfdata_t cf, void *aux) 218 { 219 struct sbus_attach_args *sa = aux; 220 221 return (strcmp(sa->sa_name, OBPNAME) == 0); 222 } 223 224 /* 225 * Attach a display. 226 */ 227 void 228 tcxattach(device_t parent, device_t self, void *args) 229 { 230 struct tcx_softc *sc = device_private(self); 231 struct sbus_attach_args *sa = args; 232 struct wsemuldisplaydev_attach_args aa; 233 struct rasops_info *ri; 234 unsigned long defattr; 235 int node, ramsize; 236 struct fbdevice *fb = &sc->sc_fb; 237 bus_space_handle_t bh; 238 int isconsole, i, j; 239 uint32_t confreg; 240 241 sc->sc_dev = self; 242 sc->sc_bustag = sa->sa_bustag; 243 node = sa->sa_node; 244 245 sc->sc_cursor_x = 0x7fff; 246 sc->sc_cursor_y = 0x7fff; 247 sc->sc_hotspot_x = 0; 248 sc->sc_hotspot_y = 0; 249 250 fb->fb_driver = &tcx_fbdriver; 251 fb->fb_device = sc->sc_dev; 252 /* Mask out invalid flags from the user. */ 253 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 254 /* 255 * The onboard framebuffer on the SS4 supports only 8-bit mode; 256 * it can be distinguished from the S24 card for the SS5 by the 257 * presence of the "tcx-8-bit" attribute on the SS4 version. 258 */ 259 sc->sc_8bit = node_has_property(node, "tcx-8-bit"); 260 fb->fb_type.fb_depth = 8; 261 fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node); 262 263 if (sc->sc_8bit) { 264 printf(" (8bit only TCX)"); 265 ramsize = 1024 * 1024; 266 /* XXX - fix THC and TEC offsets */ 267 sc->sc_physaddr[TCX_REG_TEC].oa_base += 0x1000; 268 sc->sc_physaddr[TCX_REG_THC].oa_base += 0x1000; 269 } else { 270 printf(" (S24)\n"); 271 ramsize = 4 * 1024 * 1024; 272 } 273 274 fb->fb_type.fb_cmsize = 256; 275 fb->fb_type.fb_size = ramsize; 276 printf(": %s, %d x %d", OBPNAME, 277 fb->fb_type.fb_width, 278 fb->fb_type.fb_height); 279 280 fb->fb_type.fb_type = FBTYPE_SUNTCX; 281 282 283 if (sa->sa_nreg != TCX_NREG) { 284 printf("%s: only %d register sets\n", 285 device_xname(self), sa->sa_nreg); 286 return; 287 } 288 memcpy(sc->sc_physaddr, sa->sa_reg, 289 sa->sa_nreg * sizeof(struct openprom_addr)); 290 291 /* Map the register banks we care about */ 292 if (sbus_bus_map(sa->sa_bustag, 293 sc->sc_physaddr[TCX_REG_THC].oa_space, 294 sc->sc_physaddr[TCX_REG_THC].oa_base, 295 0x1000, 296 BUS_SPACE_MAP_LINEAR, &sc->sc_thc) != 0) { 297 printf("tcxattach: cannot map thc registers\n"); 298 return; 299 } 300 301 if (sbus_bus_map(sa->sa_bustag, 302 sc->sc_physaddr[TCX_REG_CMAP].oa_space, 303 sc->sc_physaddr[TCX_REG_CMAP].oa_base, 304 0x1000, 305 BUS_SPACE_MAP_LINEAR, &sc->sc_bt) != 0) { 306 printf("tcxattach: cannot map bt registers\n"); 307 return; 308 } 309 310 /* map the 8bit dumb FB for the console */ 311 if (sbus_bus_map(sa->sa_bustag, 312 sc->sc_physaddr[TCX_REG_DFB8].oa_space, 313 sc->sc_physaddr[TCX_REG_DFB8].oa_base, 314 1024 * 1024, 315 BUS_SPACE_MAP_LINEAR, 316 &bh) != 0) { 317 printf("tcxattach: cannot map framebuffer\n"); 318 return; 319 } 320 sc->sc_fbaddr = bus_space_vaddr(sa->sa_bustag, bh); 321 322 /* RBLIT space */ 323 if (sbus_bus_map(sa->sa_bustag, 324 sc->sc_physaddr[TCX_REG_RBLIT].oa_space, 325 sc->sc_physaddr[TCX_REG_RBLIT].oa_base, 326 8 * 1024 * 1024, 327 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 328 &bh) != 0) { 329 printf("tcxattach: cannot map RBLIT space\n"); 330 return; 331 } 332 sc->sc_rblit = bus_space_vaddr(sa->sa_bustag, bh); 333 334 /* RSTIP space */ 335 if (sbus_bus_map(sa->sa_bustag, 336 sc->sc_physaddr[TCX_REG_RSTIP].oa_space, 337 sc->sc_physaddr[TCX_REG_RSTIP].oa_base, 338 8 * 1024 * 1024, 339 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 340 &bh) != 0) { 341 printf("tcxattach: cannot map RSTIP space\n"); 342 return; 343 } 344 sc->sc_rstip = bus_space_vaddr(sa->sa_bustag, bh); 345 346 isconsole = fb_is_console(node); 347 348 confreg = bus_space_read_4(sa->sa_bustag, sc->sc_thc, THC_CONFIG); 349 printf(", id %d, rev %d, sense %d", 350 (confreg & THC_CFG_FBID) >> THC_CFG_FBID_SHIFT, 351 (confreg & THC_CFG_REV) >> THC_CFG_REV_SHIFT, 352 (confreg & THC_CFG_SENSE) >> THC_CFG_SENSE_SHIFT 353 ); 354 355 /* reset cursor & frame buffer controls */ 356 tcx_reset(sc); 357 358 /* Initialize the default color map. */ 359 j = 0; 360 for (i = 0; i < 256; i++) { 361 362 sc->sc_cmap_red[i] = rasops_cmap[j]; 363 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 364 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 365 j += 3; 366 } 367 tcx_loadcmap(sc, 0, 256); 368 369 tcx_set_cursor(sc); 370 /* enable video */ 371 confreg = bus_space_read_4(sa->sa_bustag, sc->sc_thc, THC_MISC); 372 confreg |= THC_MISC_VIDEN; 373 bus_space_write_4(sa->sa_bustag, sc->sc_thc, THC_MISC, confreg); 374 375 if (isconsole) { 376 printf(" (console)\n"); 377 } else 378 printf("\n"); 379 380 sbus_establish(&sc->sc_sd, sc->sc_dev); 381 fb_attach(&sc->sc_fb, isconsole); 382 383 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 384 wsfont_init(); 385 386 vcons_init(&sc->vd, sc, &tcx_defscreendesc, &tcx_accessops); 387 sc->vd.init_screen = tcx_init_screen; 388 389 vcons_init_screen(&sc->vd, &tcx_console_screen, 1, &defattr); 390 tcx_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 391 392 sc->sc_bg = (defattr >> 16) & 0xff; 393 tcx_clearscreen(sc, 0); 394 395 ri = &tcx_console_screen.scr_ri; 396 397 tcx_defscreendesc.nrows = ri->ri_rows; 398 tcx_defscreendesc.ncols = ri->ri_cols; 399 tcx_defscreendesc.textops = &ri->ri_ops; 400 tcx_defscreendesc.capabilities = ri->ri_caps; 401 402 if(isconsole) { 403 wsdisplay_cnattach(&tcx_defscreendesc, ri, 0, 0, defattr); 404 } 405 406 aa.console = isconsole; 407 aa.scrdata = &tcx_screenlist; 408 aa.accessops = &tcx_accessops; 409 aa.accesscookie = &sc->vd; 410 411 config_found(self, &aa, wsemuldisplaydevprint); 412 /* 413 * we need to do this again - something overwrites a handful 414 * palette registers and we end up with white in reg. 0 415 */ 416 tcx_loadcmap(sc, 0, 256); 417 } 418 419 int 420 tcxopen(dev_t dev, int flags, int mode, struct lwp *l) 421 { 422 return (0); 423 } 424 425 int 426 tcxclose(dev_t dev, int flags, int mode, struct lwp *l) 427 { 428 struct tcx_softc *sc = device_lookup_private(&tcx_cd, minor(dev)); 429 430 tcx_reset(sc); 431 /* we may want to clear and redraw the console here */ 432 return (0); 433 } 434 435 int 436 tcxioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 437 { 438 struct tcx_softc *sc = device_lookup_private(&tcx_cd, minor(dev)); 439 440 switch (cmd) { 441 442 case FBIOGTYPE: 443 *(struct fbtype *)data = sc->sc_fb.fb_type; 444 break; 445 446 case FBIOGATTR: 447 #define fba ((struct fbgattr *)data) 448 fba->real_type = sc->sc_fb.fb_type.fb_type; 449 fba->owner = 0; /* XXX ??? */ 450 fba->fbtype = sc->sc_fb.fb_type; 451 fba->sattr.flags = 0; 452 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 453 fba->sattr.dev_specific[0] = -1; 454 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 455 fba->emu_types[1] = FBTYPE_SUN3COLOR; 456 fba->emu_types[2] = -1; 457 #undef fba 458 break; 459 460 case FBIOGETCMAP: 461 #define p ((struct fbcmap *)data) 462 if (copyout(&sc->sc_cmap_red[p->index], p->red, p->count) != 0) 463 return EINVAL; 464 if (copyout(&sc->sc_cmap_green[p->index], p->green, p->count) 465 != 0) 466 return EINVAL; 467 if (copyout(&sc->sc_cmap_blue[p->index], p->blue, p->count) 468 != 0) 469 return EINVAL; 470 return 0; 471 472 case FBIOPUTCMAP: 473 /* copy to software map */ 474 if (copyin(p->red, &sc->sc_cmap_red[p->index], p->count) != 0) 475 return EINVAL; 476 if (copyin(p->green, &sc->sc_cmap_green[p->index], p->count) 477 != 0) 478 return EINVAL; 479 if (copyin(p->blue, &sc->sc_cmap_blue[p->index], p->count) != 0) 480 return EINVAL; 481 tcx_loadcmap(sc, p->index, p->count); 482 #undef p 483 break; 484 case FBIOGVIDEO: 485 *(int *)data = sc->sc_blanked; 486 break; 487 488 case FBIOSVIDEO: 489 tcx_set_video(sc, *(int *)data); 490 break; 491 492 default: 493 #ifdef DEBUG 494 log(LOG_NOTICE, "tcxioctl(0x%lx) (%s[%d])\n", cmd, 495 l->l_proc->p_comm, l->l_proc->p_pid); 496 #endif 497 return (ENOTTY); 498 } 499 return (0); 500 } 501 502 /* 503 * Clean up hardware state (e.g., after bootup or after X crashes). 504 */ 505 static void 506 tcx_reset(struct tcx_softc *sc) 507 { 508 uint32_t reg; 509 510 reg = bus_space_read_4(sc->sc_bustag, sc->sc_thc, THC_MISC); 511 reg |= THC_MISC_CURSRES; 512 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_MISC, reg); 513 } 514 515 static void 516 tcx_loadcmap(struct tcx_softc *sc, int start, int ncolors) 517 { 518 int i; 519 520 for (i = 0; i < ncolors; i++) { 521 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_ADDRESS, 522 (start + i) << 24); 523 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_FB_LUT, 524 sc->sc_cmap_red[i + start] << 24); 525 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_FB_LUT, 526 sc->sc_cmap_green[i + start] << 24); 527 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_FB_LUT, 528 sc->sc_cmap_blue[i + start] << 24); 529 } 530 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_ADDRESS, 0); 531 } 532 533 static void 534 tcx_unblank(device_t dev) 535 { 536 struct tcx_softc *sc = device_private(dev); 537 538 if (sc->sc_blanked) { 539 uint32_t reg; 540 sc->sc_blanked = 0; 541 reg = bus_space_read_4(sc->sc_bustag, sc->sc_thc, THC_MISC); 542 reg &= ~THC_MISC_VSYNC_DISABLE; 543 reg &= ~THC_MISC_HSYNC_DISABLE; 544 reg |= THC_MISC_VIDEN; 545 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_MISC, reg); 546 } 547 } 548 549 static void 550 tcx_set_video(struct tcx_softc *sc, int unblank) 551 { 552 uint32_t reg; 553 if (unblank) { 554 sc->sc_blanked = 0; 555 reg = bus_space_read_4(sc->sc_bustag, sc->sc_thc, THC_MISC); 556 reg &= ~THC_MISC_VSYNC_DISABLE; 557 reg &= ~THC_MISC_HSYNC_DISABLE; 558 reg |= THC_MISC_VIDEN; 559 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_MISC, reg); 560 } else { 561 sc->sc_blanked = 1; 562 reg = bus_space_read_4(sc->sc_bustag, sc->sc_thc, THC_MISC); 563 reg |= THC_MISC_VSYNC_DISABLE; 564 reg |= THC_MISC_HSYNC_DISABLE; 565 reg &= ~THC_MISC_VIDEN; 566 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_MISC, reg); 567 } 568 } 569 570 /* 571 * Base addresses at which users can mmap() the various pieces of a tcx. 572 */ 573 #define TCX_USER_RAM 0x00000000 574 #define TCX_USER_RAM24 0x01000000 575 #define TCX_USER_RAM_COMPAT 0x04000000 /* cg3 emulation */ 576 #define TCX_USER_STIP 0x10000000 577 #define TCX_USER_BLIT 0x20000000 578 #define TCX_USER_RDFB32 0x28000000 579 #define TCX_USER_RSTIP 0x30000000 580 #define TCX_USER_RBLIT 0x38000000 581 #define TCX_USER_TEC 0x70001000 582 #define TCX_USER_BTREGS 0x70002000 583 #define TCX_USER_THC 0x70004000 584 #define TCX_USER_DHC 0x70008000 585 #define TCX_USER_ALT 0x7000a000 586 #define TCX_USER_UART 0x7000c000 587 #define TCX_USER_VRT 0x7000e000 588 #define TCX_USER_ROM 0x70010000 589 590 struct mmo { 591 u_int mo_uaddr; /* user (virtual) address */ 592 u_int mo_size; /* size, or 0 for video ram size */ 593 u_int mo_bank; /* register bank number */ 594 }; 595 596 /* 597 * Return the address that would map the given device at the given 598 * offset, allowing for the given protection, or return -1 for error. 599 * 600 * XXX needs testing against `demanding' applications (e.g., aviator) 601 */ 602 paddr_t 603 tcxmmap(dev_t dev, off_t off, int prot) 604 { 605 struct tcx_softc *sc = device_lookup_private(&tcx_cd, minor(dev)); 606 struct openprom_addr *rr = sc->sc_physaddr; 607 struct mmo *mo, *mo_end; 608 u_int u, sz; 609 static struct mmo mmo[] = { 610 { TCX_USER_RAM, 0, TCX_REG_DFB8 }, 611 { TCX_USER_RAM24, 0, TCX_REG_DFB24 }, 612 { TCX_USER_RAM_COMPAT, 0, TCX_REG_DFB8 }, 613 614 { TCX_USER_STIP, 1, TCX_REG_STIP }, 615 { TCX_USER_BLIT, 1, TCX_REG_BLIT }, 616 { TCX_USER_RDFB32, 0, TCX_REG_RDFB32 }, 617 { TCX_USER_RSTIP, 1, TCX_REG_RSTIP }, 618 { TCX_USER_RBLIT, 1, TCX_REG_RBLIT }, 619 { TCX_USER_TEC, 1, TCX_REG_TEC }, 620 { TCX_USER_BTREGS, 8192 /* XXX */, TCX_REG_CMAP }, 621 { TCX_USER_THC, 0x1000, TCX_REG_THC }, 622 { TCX_USER_DHC, 1, TCX_REG_DHC }, 623 { TCX_USER_ALT, 1, TCX_REG_ALT }, 624 { TCX_USER_ROM, 65536, TCX_REG_ROM }, 625 }; 626 #define NMMO (sizeof mmo / sizeof *mmo) 627 628 if (off & PGOFSET) 629 panic("tcxmmap"); 630 631 /* 632 * Entries with size 0 map video RAM (i.e., the size in fb data). 633 * Entries that map 32-bit deep regions are adjusted for their 634 * depth (fb_size gives the size of the 8-bit-deep region). 635 * 636 * Since we work in pages, the fact that the map offset table's 637 * sizes are sometimes bizarre (e.g., 1) is effectively ignored: 638 * one byte is as good as one page. 639 */ 640 641 mo = mmo; 642 mo_end = &mmo[NMMO]; 643 644 for (; mo < mo_end; mo++) { 645 if ((u_int)off < mo->mo_uaddr) 646 continue; 647 u = off - mo->mo_uaddr; 648 sz = mo->mo_size; 649 if (sz == 0) { 650 sz = sc->sc_fb.fb_type.fb_size; 651 /* 652 * check for the 32-bit-deep regions and adjust 653 * accordingly 654 */ 655 if (mo->mo_uaddr == TCX_USER_RAM24 || 656 mo->mo_uaddr == TCX_USER_RDFB32) { 657 if (sc->sc_8bit) { 658 /* 659 * not present on 8-bit hardware 660 */ 661 continue; 662 } 663 sz *= 4; 664 } 665 } 666 if (u < sz) { 667 return (bus_space_mmap(sc->sc_bustag, 668 BUS_ADDR(rr[mo->mo_bank].oa_space, 669 rr[mo->mo_bank].oa_base), 670 u, 671 prot, 672 BUS_SPACE_MAP_LINEAR)); 673 } 674 } 675 return (-1); 676 } 677 678 int 679 tcx_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 680 struct lwp *l) 681 { 682 struct vcons_data *vd = v; 683 struct tcx_softc *sc = vd->cookie; 684 struct wsdisplay_fbinfo *wdf; 685 struct vcons_screen *ms = vd->active; 686 687 switch (cmd) { 688 case WSDISPLAYIO_GTYPE: 689 *(u_int *)data = WSDISPLAY_TYPE_SUNTCX; 690 return 0; 691 692 case FBIOGVIDEO: 693 case WSDISPLAYIO_GVIDEO: 694 *(int *)data = !sc->sc_blanked; 695 return 0; 696 697 case WSDISPLAYIO_SVIDEO: 698 case FBIOSVIDEO: 699 tcx_set_video(sc, *(int *)data); 700 return 0; 701 702 case WSDISPLAYIO_GINFO: 703 wdf = (void *)data; 704 wdf->height = ms->scr_ri.ri_height; 705 wdf->width = ms->scr_ri.ri_width; 706 if (sc->sc_8bit) { 707 wdf->depth = 8; 708 } else { 709 wdf->depth = 32; 710 } 711 wdf->cmsize = 256; 712 return 0; 713 case WSDISPLAYIO_LINEBYTES: 714 { 715 int *ret = (int *)data; 716 *ret = sc->sc_8bit ? ms->scr_ri.ri_width : 717 ms->scr_ri.ri_width << 2; 718 } 719 return 0; 720 #if 0 721 case WSDISPLAYIO_GETCMAP: 722 return tcx_getcmap(sc, (struct wsdisplay_cmap *)data); 723 724 case WSDISPLAYIO_PUTCMAP: 725 return tcx_putcmap(sc, (struct wsdisplay_cmap *)data); 726 #endif 727 case WSDISPLAYIO_SMODE: 728 { 729 int new_mode = *(int*)data; 730 if (new_mode != sc->sc_mode) 731 { 732 sc->sc_mode = new_mode; 733 if (new_mode == WSDISPLAYIO_MODE_EMUL) 734 { 735 tcx_loadcmap(sc, 0, 256); 736 tcx_clearscreen(sc, 0); 737 vcons_redraw_screen(ms); 738 } else if (!sc->sc_8bit) 739 tcx_clearscreen(sc, 3); 740 } 741 } 742 case WSDISPLAYIO_GCURPOS: 743 { 744 struct wsdisplay_curpos *cp = (void *)data; 745 746 cp->x = sc->sc_cursor_x; 747 cp->y = sc->sc_cursor_y; 748 } 749 return 0; 750 751 case WSDISPLAYIO_SCURPOS: 752 { 753 struct wsdisplay_curpos *cp = (void *)data; 754 755 sc->sc_cursor_x = cp->x; 756 sc->sc_cursor_y = cp->y; 757 tcx_set_cursor(sc); 758 } 759 return 0; 760 761 case WSDISPLAYIO_GCURMAX: 762 { 763 struct wsdisplay_curpos *cp = (void *)data; 764 765 cp->x = 32; 766 cp->y = 32; 767 } 768 return 0; 769 770 case WSDISPLAYIO_SCURSOR: 771 { 772 struct wsdisplay_cursor *cursor = (void *)data; 773 774 return tcx_do_cursor(sc, cursor); 775 } 776 } 777 return EPASSTHROUGH; 778 } 779 780 static paddr_t 781 tcx_mmap(void *v, void *vs, off_t offset, int prot) 782 { 783 struct vcons_data *vd = v; 784 struct tcx_softc *sc = vd->cookie; 785 786 /* 'regular' framebuffer mmap()ing */ 787 if (sc->sc_8bit) { 788 /* on 8Bit boards hand over the 8 bit aperture */ 789 if (offset > 1024 * 1024) 790 return -1; 791 return bus_space_mmap(sc->sc_bustag, 792 sc->sc_physaddr[TCX_REG_DFB8].oa_base + offset, 0, prot, 793 BUS_SPACE_MAP_LINEAR); 794 } else { 795 /* ... but if we have a 24bit aperture we use it */ 796 if (offset > 1024 * 1024 * 4) 797 return -1; 798 return bus_space_mmap(sc->sc_bustag, 799 sc->sc_physaddr[TCX_REG_DFB24].oa_base + offset, 0, prot, 800 BUS_SPACE_MAP_LINEAR); 801 } 802 return -1; 803 } 804 805 static void 806 tcx_init_screen(void *cookie, struct vcons_screen *scr, 807 int existing, long *defattr) 808 { 809 struct tcx_softc *sc = cookie; 810 struct rasops_info *ri = &scr->scr_ri; 811 812 ri->ri_depth = 8; 813 ri->ri_width = sc->sc_fb.fb_type.fb_width; 814 ri->ri_height = sc->sc_fb.fb_type.fb_height; 815 ri->ri_stride = sc->sc_fb.fb_linebytes; 816 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 817 818 ri->ri_bits = sc->sc_fbaddr; 819 820 rasops_init(ri, ri->ri_height/8, ri->ri_width/8); 821 ri->ri_caps = WSSCREEN_WSCOLORS; 822 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 823 ri->ri_width / ri->ri_font->fontwidth); 824 825 /* enable acceleration */ 826 ri->ri_ops.copyrows = tcx_copyrows; 827 ri->ri_ops.eraserows = tcx_eraserows; 828 ri->ri_ops.putchar = tcx_putchar; 829 #if 0 830 ri->ri_ops.cursor = tcx_cursor; 831 ri->ri_ops.copycols = tcx_copycols; 832 ri->ri_ops.erasecols = tcx_erasecols; 833 #endif 834 } 835 836 static void 837 tcx_clearscreen(struct tcx_softc *sc, int spc) 838 { 839 uint64_t bg = ((uint64_t)sc->sc_bg << 32) | 0xffffffffLL; 840 uint64_t spc64; 841 int i; 842 843 spc64 = spc & 3; 844 spc64 = spc64 << 56; 845 846 for (i = 0; i < 1024 * 1024; i += 32) 847 sc->sc_rstip[i] = bg | spc64; 848 } 849 850 static void 851 tcx_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 852 { 853 struct rasops_info *ri = cookie; 854 struct vcons_screen *scr = ri->ri_hw; 855 struct tcx_softc *sc = scr->scr_cookie; 856 int i, last, first, len, dest, leftover; 857 858 i = ri->ri_width * ri->ri_font->fontheight * nrows; 859 len = i & 0xffffe0; 860 leftover = i & 0x1f; 861 if (srcrow < dstrow) { 862 /* we must go bottom to top */ 863 first = ri->ri_width * 864 (ri->ri_font->fontheight * srcrow + ri->ri_yorigin); 865 last = first + len; 866 dest = ri->ri_width * 867 (ri->ri_font->fontheight * dstrow + ri->ri_yorigin) + len; 868 if (leftover > 0) { 869 sc->sc_rblit[dest + 32] = 870 (uint64_t)((leftover - 1) << 24) | 871 (uint64_t)(i + 32); 872 } 873 for (i = last; i >= first; i -= 32) { 874 sc->sc_rblit[dest] = 0x300000001f000000LL | (uint64_t)i; 875 dest -= 32; 876 } 877 } else { 878 /* top to bottom */ 879 first = ri->ri_width * 880 (ri->ri_font->fontheight * srcrow + ri->ri_yorigin); 881 dest = ri->ri_width * 882 (ri->ri_font->fontheight * dstrow + ri->ri_yorigin); 883 last = first + len; 884 for (i = first; i <= last; i+= 32) { 885 sc->sc_rblit[dest] = 0x300000001f000000LL | (uint64_t)i; 886 dest += 32; 887 } 888 if (leftover > 0) { 889 sc->sc_rblit[dest] = 890 (uint64_t)((leftover - 1) << 24) | (uint64_t)i; 891 } 892 } 893 } 894 895 static void 896 tcx_eraserows(void *cookie, int start, int nrows, long attr) 897 { 898 struct rasops_info *ri = cookie; 899 struct vcons_screen *scr = ri->ri_hw; 900 struct tcx_softc *sc = scr->scr_cookie; 901 uint64_t temp; 902 int i, last, first, len, leftover; 903 904 i = ri->ri_width * ri->ri_font->fontheight * nrows; 905 len = i & 0xffffe0; 906 leftover = i & 0x1f; 907 first = ri->ri_width * 908 (ri->ri_font->fontheight * start + ri->ri_yorigin); 909 last = first + len; 910 temp = 0x30000000ffffffffLL | 911 ((uint64_t)ri->ri_devcmap[(attr >> 16) & 0xff] << 32); 912 913 for (i = first; i <= last; i+= 32) 914 sc->sc_rblit[i] = temp; 915 916 if (leftover > 0) { 917 temp &= 0xffffffffffffffffLL << (32 - leftover); 918 sc->sc_rblit[i] = temp; 919 } 920 } 921 /* 922 * The stipple engine is 100% retarded. All drawing operations have to start 923 * at 32 pixel boundaries so we'll have to deal with characters being split. 924 */ 925 926 static void 927 tcx_putchar(void *cookie, int row, int col, u_int c, long attr) 928 { 929 struct rasops_info *ri = cookie; 930 struct vcons_screen *scr = ri->ri_hw; 931 struct tcx_softc *sc = scr->scr_cookie; 932 uint64_t bg, fg, temp, mask; 933 int addr, i, uc, shift; 934 uint32_t fmask; 935 uint8_t *cdata; 936 uint16_t *wdata; 937 938 addr = ri->ri_xorigin + 939 col * ri->ri_font->fontwidth + 940 (ri->ri_yorigin + row * ri->ri_font->fontheight) * ri->ri_width; 941 942 /* check if the character is crossing a 32 pixel boundary */ 943 if ((addr & 0xffffe0) == 944 ((addr + ri->ri_font->fontwidth - 1) & 0xffffe0)) { 945 /* phew, not split */ 946 shift = addr & 0x1f; 947 addr &= 0xffffe0; 948 fmask = 0xffffffff >> (32 - ri->ri_font->fontwidth); 949 fmask = fmask << (32 - ri->ri_font->fontwidth - shift); 950 mask = fmask; 951 bg = 0x3000000000000000LL | 952 ((uint64_t)ri->ri_devcmap[(attr >> 16) & 0xff] & 953 0xff) << 32; 954 bg |= mask; 955 temp = 0x3000000000000000LL | 956 ((uint64_t)ri->ri_devcmap[(attr >> 24) & 0xff] & 0xff) << 957 32; 958 uc = c - ri->ri_font->firstchar; 959 cdata = (uint8_t *)ri->ri_font->data + uc * ri->ri_fontscale; 960 961 if (ri->ri_font->fontwidth < 9) { 962 /* byte by byte */ 963 for (i = 0; i < ri->ri_font->fontheight; i++) { 964 sc->sc_rstip[addr] = bg; 965 if (*cdata != 0) { 966 if (shift > 24) { 967 fg = (uint64_t)*cdata >> 968 (shift - 24); 969 } else { 970 fg = (uint64_t)*cdata << 971 (24 - shift); 972 } 973 sc->sc_rstip[addr] = fg | temp; 974 } 975 cdata++; 976 addr += ri->ri_width; 977 } 978 } else if (ri->ri_font->fontwidth < 17) { 979 /* short by short */ 980 wdata = (uint16_t *)cdata; 981 for (i = 0; i < ri->ri_font->fontheight; i++) { 982 sc->sc_rstip[addr] = bg; 983 if (*wdata != 0) { 984 if (shift > 16) { 985 fg = temp | (uint64_t)*wdata >> 986 (shift - 16); 987 } else { 988 fg = temp | (uint64_t)*wdata << 989 (16 - shift); 990 } 991 sc->sc_rstip[addr] = fg; 992 } 993 wdata++; 994 addr += ri->ri_width; 995 } 996 } 997 } else { 998 /* and now the split case ( man this hardware is dumb ) */ 999 uint64_t bgr, maskr, fgr; 1000 uint32_t bork; 1001 1002 shift = addr & 0x1f; 1003 addr &= 0xffffe0; 1004 mask = 0xffffffff >> shift; 1005 maskr = (uint64_t)(0xffffffffUL << 1006 (32 - (ri->ri_font->fontwidth + shift - 32))); 1007 bg = 0x3000000000000000LL | 1008 ((uint64_t)ri->ri_devcmap[(attr >> 16) & 0xff] & 1009 0xff) << 32; 1010 bgr = bg | maskr; 1011 bg |= mask; 1012 temp = 0x3000000000000000LL | 1013 ((uint64_t)ri->ri_devcmap[(attr >> 24) & 0xff] & 0xff) << 1014 32; 1015 1016 uc = c - ri->ri_font->firstchar; 1017 cdata = (uint8_t *)ri->ri_font->data + uc * ri->ri_fontscale; 1018 1019 if (ri->ri_font->fontwidth < 9) { 1020 /* byte by byte */ 1021 for (i = 0; i < ri->ri_font->fontheight; i++) { 1022 sc->sc_rstip[addr] = bg; 1023 sc->sc_rstip[addr + 32] = bgr; 1024 bork = *cdata; 1025 if (bork != 0) { 1026 fg = (uint64_t)bork >> (shift - 24); 1027 sc->sc_rstip[addr] = fg | temp; 1028 fgr = (uint64_t)(bork << (52 - shift)); 1029 sc->sc_rstip[addr] = fgr | temp; 1030 } 1031 cdata++; 1032 addr += ri->ri_width; 1033 } 1034 } else if (ri->ri_font->fontwidth < 17) { 1035 /* short by short */ 1036 wdata = (uint16_t *)cdata; 1037 for (i = 0; i < ri->ri_font->fontheight; i++) { 1038 sc->sc_rstip[addr] = bg; 1039 sc->sc_rstip[addr + 32] = bgr; 1040 bork = *wdata; 1041 if (bork != 0) { 1042 fg = (uint64_t)bork >> (shift - 16); 1043 sc->sc_rstip[addr] = fg | temp; 1044 fgr = (uint64_t)(bork << (48 - shift)); 1045 sc->sc_rstip[addr + 32] = fgr | temp; 1046 } 1047 wdata++; 1048 addr += ri->ri_width; 1049 } 1050 } 1051 1052 } 1053 } 1054 1055 static int 1056 tcx_do_cursor(struct tcx_softc *sc, struct wsdisplay_cursor *cur) 1057 { 1058 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 1059 1060 if (cur->enable) { 1061 tcx_set_cursor(sc); 1062 } else { 1063 /* move the cursor out of sight */ 1064 bus_space_write_4(sc->sc_bustag, sc->sc_thc, 1065 THC_CURSOR_POS, 0x7fff7fff); 1066 } 1067 } 1068 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 1069 1070 sc->sc_hotspot_x = cur->hot.x; 1071 sc->sc_hotspot_y = cur->hot.y; 1072 tcx_set_cursor(sc); 1073 } 1074 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 1075 1076 sc->sc_cursor_x = cur->pos.x; 1077 sc->sc_cursor_y = cur->pos.y; 1078 tcx_set_cursor(sc); 1079 } 1080 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 1081 #if 0 1082 int i; 1083 1084 for (i = 0; i < cur->cmap.count; i++) { 1085 bus_space_write_4(sc->sc_bustag, sc->sc_bt, DAC_ADDRESS, 1086 (cur->cmap.index + i + 2) << 24); 1087 bus_space_write_4(sc->sc_bustag, sc->sc_bt, 1088 DAC_CURSOR_LUT, cur->cmap.red[i] << 24); 1089 bus_space_write_4(sc->sc_bustag, sc->sc_bt, 1090 DAC_CURSOR_LUT, cur->cmap.green[i] << 24); 1091 bus_space_write_4(sc->sc_bustag, sc->sc_bt, 1092 DAC_CURSOR_LUT, cur->cmap.blue[i] << 24); 1093 } 1094 #endif 1095 } 1096 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1097 #if 1 1098 int i; 1099 uint32_t temp, poof; 1100 1101 for (i = 0; i < 128; i += 4) { 1102 memcpy(&temp, &cur->mask[i], 4); 1103 printf("%08x -> ", temp); 1104 poof = ((temp & 0x80808080) >> 7) | 1105 ((temp & 0x40404040) >> 5) | 1106 ((temp & 0x20202020) >> 3) | 1107 ((temp & 0x10101010) >> 1) | 1108 ((temp & 0x08080808) << 1) | 1109 ((temp & 0x04040404) << 3) | 1110 ((temp & 0x02020202) << 5) | 1111 ((temp & 0x01010101) << 7); 1112 printf("%08x\n", poof); 1113 bus_space_write_4(sc->sc_bustag, sc->sc_thc, 1114 THC_CURSOR_1 + i, poof); 1115 memcpy(&temp, &cur->image[i], 4); 1116 poof = ((temp & 0x80808080) >> 7) | 1117 ((temp & 0x40404040) >> 5) | 1118 ((temp & 0x20202020) >> 3) | 1119 ((temp & 0x10101010) >> 1) | 1120 ((temp & 0x08080808) << 1) | 1121 ((temp & 0x04040404) << 3) | 1122 ((temp & 0x02020202) << 5) | 1123 ((temp & 0x01010101) << 7); 1124 bus_space_write_4(sc->sc_bustag, sc->sc_thc, 1125 THC_CURSOR_0 + i, poof); 1126 } 1127 } 1128 #endif 1129 return 0; 1130 } 1131 1132 static void 1133 tcx_set_cursor(struct tcx_softc *sc) 1134 { 1135 uint32_t reg; 1136 1137 reg = (sc->sc_cursor_x - sc->sc_hotspot_x) << 16 | 1138 ((sc->sc_cursor_y - sc->sc_hotspot_y) & 0xffff); 1139 bus_space_write_4(sc->sc_bustag, sc->sc_thc, THC_CURSOR_POS, reg); 1140 } 1141 1142
Indexes created Wed Sep 24 02:09:48 GMT 2025