ffb.c revision 1.58
1 /* $NetBSD: ffb.c,v 1.58 2016/11/04 16:35:32 macallan Exp $ */ 2 /* $OpenBSD: creator.c,v 1.20 2002/07/30 19:48:15 jason Exp $ */ 3 4 /* 5 * Copyright (c) 2002 Jason L. Wright (jason (at) thought.net) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Jason L. Wright 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: ffb.c,v 1.58 2016/11/04 16:35:32 macallan Exp $"); 37 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/device.h> 43 #include <sys/conf.h> 44 #include <sys/ioctl.h> 45 #include <sys/malloc.h> 46 #include <sys/mman.h> 47 48 #include <sys/bus.h> 49 #include <machine/autoconf.h> 50 #include <machine/openfirm.h> 51 #include <machine/vmparam.h> 52 53 #include <dev/wscons/wsconsio.h> 54 #include <dev/sun/fbio.h> 55 #include <dev/sun/fbvar.h> 56 57 #include <dev/wsfont/wsfont.h> 58 #include <dev/wscons/wsdisplay_vconsvar.h> 59 60 #include <prop/proplib.h> 61 62 #include <dev/i2c/i2cvar.h> 63 #include <dev/i2c/i2c_bitbang.h> 64 #include <dev/i2c/ddcvar.h> 65 66 #include <sparc64/dev/ffbreg.h> 67 #include <sparc64/dev/ffbvar.h> 68 69 #include "opt_wsdisplay_compat.h" 70 #include "opt_ffb.h" 71 72 #ifndef WS_DEFAULT_BG 73 /* Sun -> background should be white */ 74 #define WS_DEFAULT_BG 0xf 75 #endif 76 77 #ifdef FFB_SYNC 78 #define SYNC ffb_ras_wait(sc) 79 #else 80 #define SYNC 81 #endif 82 83 /* Debugging */ 84 #if !defined FFB_DEBUG 85 #define FFB_DEBUG 0 86 #endif 87 #define DPRINTF(x) if (ffb_debug) printf x 88 /* Patchable */ 89 extern int ffb_debug; 90 #if FFB_DEBUG > 0 91 int ffb_debug = 1; 92 #else 93 int ffb_debug = 0; 94 #endif 95 96 extern struct cfdriver ffb_cd; 97 98 struct wsscreen_descr ffb_stdscreen = { 99 "sunffb", 100 0, 0, /* will be filled in -- XXX shouldn't, it's global. */ 101 0, 102 0, 0, 103 WSSCREEN_REVERSE | WSSCREEN_WSCOLORS, 104 NULL /* modecookie */ 105 }; 106 107 const struct wsscreen_descr *ffb_scrlist[] = { 108 &ffb_stdscreen, 109 /* XXX other formats? */ 110 }; 111 112 struct wsscreen_list ffb_screenlist = { 113 sizeof(ffb_scrlist) / sizeof(struct wsscreen_descr *), 114 ffb_scrlist 115 }; 116 117 static struct vcons_screen ffb_console_screen; 118 119 int ffb_ioctl(void *, void *, u_long, void *, int, struct lwp *); 120 static int ffb_blank(struct ffb_softc *, u_long, u_int *); 121 paddr_t ffb_mmap(void *, void *, off_t, int); 122 void ffb_ras_fifo_wait(struct ffb_softc *, int); 123 void ffb_ras_wait(struct ffb_softc *); 124 void ffb_ras_init(struct ffb_softc *); 125 void ffb_ras_copyrows(void *, int, int, int); 126 void ffb_ras_erasecols(void *, int, int, int, long int); 127 void ffb_ras_eraserows(void *, int, int, long int); 128 void ffb_ras_do_cursor(struct rasops_info *); 129 void ffb_ras_fill(struct ffb_softc *); 130 void ffb_ras_invert(struct ffb_softc *); 131 static void ffb_ras_setfg(struct ffb_softc *, int32_t); 132 static void ffb_ras_setbg(struct ffb_softc *, int32_t); 133 134 void ffb_clearscreen(struct ffb_softc *); 135 int ffb_load_font(void *, void *, struct wsdisplay_font *); 136 void ffb_init_screen(void *, struct vcons_screen *, int, 137 long *); 138 int ffb_allocattr(void *, int, int, int, long *); 139 void ffb_putchar_mono(void *, int, int, u_int, long); 140 void ffb_putchar_aa(void *, int, int, u_int, long); 141 void ffb_cursor(void *, int, int, int); 142 143 /* frame buffer generic driver */ 144 static void ffbfb_unblank(device_t); 145 dev_type_open(ffbfb_open); 146 dev_type_close(ffbfb_close); 147 dev_type_ioctl(ffbfb_ioctl); 148 dev_type_mmap(ffbfb_mmap); 149 150 static struct fbdriver ffb_fbdriver = { 151 ffbfb_unblank, ffbfb_open, ffbfb_close, ffbfb_ioctl, nopoll, 152 ffbfb_mmap, nokqfilter 153 }; 154 155 struct wsdisplay_accessops ffb_accessops = { 156 .ioctl = ffb_ioctl, 157 .mmap = ffb_mmap, 158 }; 159 160 /* I2C glue */ 161 static int ffb_i2c_acquire_bus(void *, int); 162 static void ffb_i2c_release_bus(void *, int); 163 static int ffb_i2c_send_start(void *, int); 164 static int ffb_i2c_send_stop(void *, int); 165 static int ffb_i2c_initiate_xfer(void *, i2c_addr_t, int); 166 static int ffb_i2c_read_byte(void *, uint8_t *, int); 167 static int ffb_i2c_write_byte(void *, uint8_t, int); 168 169 /* I2C bitbang glue */ 170 static void ffb_i2cbb_set_bits(void *, uint32_t); 171 static void ffb_i2cbb_set_dir(void *, uint32_t); 172 static uint32_t ffb_i2cbb_read(void *); 173 174 static const struct i2c_bitbang_ops ffb_i2cbb_ops = { 175 ffb_i2cbb_set_bits, 176 ffb_i2cbb_set_dir, 177 ffb_i2cbb_read, 178 { 179 FFB_DAC_CFG_MPDATA_SDA, 180 FFB_DAC_CFG_MPDATA_SCL, 181 0, 182 0 183 } 184 }; 185 186 void ffb_attach_i2c(struct ffb_softc *); 187 188 /* Video mode setting */ 189 int ffb_tgc_disable(struct ffb_softc *); 190 void ffb_get_pclk(int, uint32_t *, int *); 191 int ffb_set_vmode(struct ffb_softc *, struct videomode *, int, int *, int *); 192 193 194 void 195 ffb_attach(device_t self) 196 { 197 struct ffb_softc *sc = device_private(self); 198 struct wsemuldisplaydev_attach_args waa; 199 struct rasops_info *ri; 200 long defattr; 201 const char *model, *out_dev; 202 int btype; 203 uint32_t dac; 204 int maxrow; 205 u_int blank = WSDISPLAYIO_VIDEO_ON; 206 char buf[6+1]; 207 int i, try_edid; 208 prop_data_t data; 209 210 printf(":"); 211 212 if (sc->sc_type == FFB_CREATOR) { 213 btype = prom_getpropint(sc->sc_node, "board_type", 0); 214 if ((btype & 7) == 3) 215 printf(" Creator3D"); 216 else 217 printf(" Creator"); 218 } else { 219 printf(" Elite3D"); 220 btype = 0; 221 } 222 223 model = prom_getpropstring(sc->sc_node, "model"); 224 if (model == NULL || strlen(model) == 0) 225 model = "unknown"; 226 227 sc->sc_depth = 24; 228 sc->sc_linebytes = 8192; 229 /* We might alter these during EDID mode setting */ 230 sc->sc_height = prom_getpropint(sc->sc_node, "height", 0); 231 sc->sc_width = prom_getpropint(sc->sc_node, "width", 0); 232 233 sc->sc_locked = 0; 234 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 235 236 maxrow = (prom_getoption("screen-#rows", buf, sizeof buf) != 0) 237 ? strtoul(buf, NULL, 10) 238 : 34; 239 240 /* collect DAC version, as Elite3D cursor enable bit is reversed */ 241 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_DEVID); 242 dac = DAC_READ(sc, FFB_DAC_VALUE); 243 sc->sc_dacrev = (dac >> 28) & 0xf; 244 245 if (sc->sc_type == FFB_AFB) { 246 sc->sc_dacrev = 10; 247 sc->sc_needredraw = 0; 248 } else { 249 /* see what kind of DAC we have */ 250 int pnum = (dac & 0x0ffff000) >> 12; 251 if (pnum == 0x236e) { 252 sc->sc_needredraw = 0; 253 } else { 254 sc->sc_needredraw = 1; 255 } 256 } 257 printf(", model %s, dac %u\n", model, sc->sc_dacrev); 258 if (sc->sc_needredraw) 259 printf("%s: found old DAC, enabling redraw on unblank\n", 260 device_xname(sc->sc_dev)); 261 262 /* Check if a console resolution "<device>:r<res>" is set. */ 263 if (sc->sc_console) { 264 out_dev = prom_getpropstring(sc->sc_node, "output_device"); 265 if (out_dev != NULL && strlen(out_dev) != 0 && 266 strstr(out_dev, ":r") != NULL) 267 try_edid = 0; 268 else 269 try_edid = 1; 270 } else 271 try_edid = 1; 272 273 #if FFB_DEBUG > 0 274 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_TGC); 275 printf("tgc: %08x\n", DAC_READ(sc, FFB_DAC_VALUE)); 276 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_DAC_CTRL); 277 printf("dcl: %08x\n", DAC_READ(sc, FFB_DAC_VALUE)); 278 #endif 279 ffb_attach_i2c(sc); 280 281 /* Need to set asynchronous blank during DDC write/read */ 282 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_USR_CTRL); 283 dac = DAC_READ(sc, FFB_DAC_VALUE); 284 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_USR_CTRL); 285 DAC_WRITE(sc, FFB_DAC_VALUE, dac | FFB_DAC_USR_CTRL_BLANK); 286 287 /* Some monitors don't respond first time */ 288 i = 0; 289 while (sc->sc_edid_data[1] == 0 && i++ < 3) 290 ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, EDID_DATA_LEN); 291 292 /* Remove asynchronous blank */ 293 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_USR_CTRL); 294 DAC_WRITE(sc, FFB_DAC_VALUE, dac); 295 296 if (edid_parse(&sc->sc_edid_data[0], &sc->sc_edid_info) != -1) { 297 sort_modes(sc->sc_edid_info.edid_modes, 298 &sc->sc_edid_info.edid_preferred_mode, 299 sc->sc_edid_info.edid_nmodes); 300 DPRINTF(("%s: EDID data:\n ", device_xname(sc->sc_dev))); 301 for (i = 0; i < EDID_DATA_LEN; i++) { 302 if (i && !(i % 32)) 303 DPRINTF(("\n ")); 304 if (i && !(i % 4)) 305 DPRINTF((" ")); 306 DPRINTF(("%02x", sc->sc_edid_data[i])); 307 } 308 DPRINTF(("\n")); 309 if (ffb_debug) 310 edid_print(&sc->sc_edid_info); 311 312 data = prop_data_create_data(sc->sc_edid_data, EDID_DATA_LEN); 313 prop_dictionary_set(device_properties(self), "EDID", data); 314 prop_object_release(data); 315 316 if (try_edid) 317 for (i = 0; i < sc->sc_edid_info.edid_nmodes; i++) { 318 if (ffb_set_vmode(sc, 319 &(sc->sc_edid_info.edid_modes[i]), btype, 320 &(sc->sc_width), &(sc->sc_height))) 321 break; 322 } 323 } else { 324 DPRINTF(("%s: No EDID data.\n", device_xname(sc->sc_dev))); 325 } 326 327 ffb_ras_init(sc); 328 329 ffb_blank(sc, WSDISPLAYIO_SVIDEO, &blank); 330 331 sc->sc_accel = ((device_cfdata(sc->sc_dev)->cf_flags & 332 FFB_CFFLAG_NOACCEL) == 0); 333 334 wsfont_init(); 335 336 vcons_init(&sc->vd, sc, &ffb_stdscreen, &ffb_accessops); 337 sc->vd.init_screen = ffb_init_screen; 338 ri = &ffb_console_screen.scr_ri; 339 340 /* we mess with ffb_console_screen only once */ 341 if (sc->sc_console) { 342 vcons_init_screen(&sc->vd, &ffb_console_screen, 1, &defattr); 343 SCREEN_VISIBLE((&ffb_console_screen)); 344 /* 345 * XXX we shouldn't use a global variable for the console 346 * screen 347 */ 348 sc->vd.active = &ffb_console_screen; 349 ffb_console_screen.scr_flags = VCONS_SCREEN_IS_STATIC; 350 } else { 351 if (ffb_console_screen.scr_ri.ri_rows == 0) { 352 /* do some minimal setup to avoid weirdnesses later */ 353 vcons_init_screen(&sc->vd, &ffb_console_screen, 1, &defattr); 354 } else 355 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 356 } 357 358 ffb_stdscreen.nrows = ri->ri_rows; 359 ffb_stdscreen.ncols = ri->ri_cols; 360 ffb_stdscreen.textops = &ri->ri_ops; 361 ffb_stdscreen.capabilities = ri->ri_caps; 362 363 sc->sc_fb.fb_driver = &ffb_fbdriver; 364 sc->sc_fb.fb_type.fb_cmsize = 0; 365 sc->sc_fb.fb_type.fb_size = maxrow * sc->sc_linebytes; 366 sc->sc_fb.fb_type.fb_type = FBTYPE_CREATOR; 367 sc->sc_fb.fb_type.fb_width = sc->sc_width; 368 sc->sc_fb.fb_type.fb_depth = sc->sc_depth; 369 sc->sc_fb.fb_type.fb_height = sc->sc_height; 370 sc->sc_fb.fb_device = sc->sc_dev; 371 fb_attach(&sc->sc_fb, sc->sc_console); 372 373 ffb_clearscreen(sc); 374 375 if (sc->sc_console) { 376 wsdisplay_cnattach(&ffb_stdscreen, ri, 0, 0, defattr); 377 vcons_replay_msgbuf(&ffb_console_screen); 378 } 379 380 waa.console = sc->sc_console; 381 waa.scrdata = &ffb_screenlist; 382 waa.accessops = &ffb_accessops; 383 waa.accesscookie = &sc->vd; 384 config_found(sc->sc_dev, &waa, wsemuldisplaydevprint); 385 } 386 387 void 388 ffb_attach_i2c(struct ffb_softc *sc) 389 { 390 391 /* Fill in the i2c tag */ 392 sc->sc_i2c.ic_cookie = sc; 393 sc->sc_i2c.ic_acquire_bus = ffb_i2c_acquire_bus; 394 sc->sc_i2c.ic_release_bus = ffb_i2c_release_bus; 395 sc->sc_i2c.ic_send_start = ffb_i2c_send_start; 396 sc->sc_i2c.ic_send_stop = ffb_i2c_send_stop; 397 sc->sc_i2c.ic_initiate_xfer = ffb_i2c_initiate_xfer; 398 sc->sc_i2c.ic_read_byte = ffb_i2c_read_byte; 399 sc->sc_i2c.ic_write_byte = ffb_i2c_write_byte; 400 sc->sc_i2c.ic_exec = NULL; 401 } 402 403 int 404 ffb_ioctl(void *v, void *vs, u_long cmd, void *data, int flags, struct lwp *l) 405 { 406 struct vcons_data *vd = v; 407 struct ffb_softc *sc = vd->cookie; 408 struct wsdisplay_fbinfo *wdf; 409 struct vcons_screen *ms = vd->active; 410 411 DPRINTF(("ffb_ioctl: %s cmd _IO%s%s('%c', %lu)\n", 412 device_xname(sc->sc_dev), 413 (cmd & IOC_IN) ? "W" : "", (cmd & IOC_OUT) ? "R" : "", 414 (char)IOCGROUP(cmd), cmd & 0xff)); 415 416 switch (cmd) { 417 case FBIOGTYPE: 418 *(struct fbtype *)data = sc->sc_fb.fb_type; 419 break; 420 case FBIOGATTR: 421 #define fba ((struct fbgattr *)data) 422 fba->real_type = sc->sc_fb.fb_type.fb_type; 423 fba->owner = 0; /* XXX ??? */ 424 fba->fbtype = sc->sc_fb.fb_type; 425 fba->sattr.flags = 0; 426 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 427 fba->sattr.dev_specific[0] = -1; 428 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 429 fba->emu_types[1] = -1; 430 #undef fba 431 break; 432 433 case FBIOGETCMAP: 434 case FBIOPUTCMAP: 435 return EIO; 436 437 case FBIOGVIDEO: 438 case FBIOSVIDEO: 439 return ffb_blank(sc, cmd == FBIOGVIDEO? 440 WSDISPLAYIO_GVIDEO : WSDISPLAYIO_SVIDEO, 441 (u_int *)data); 442 break; 443 case FBIOGCURSOR: 444 case FBIOSCURSOR: 445 /* the console driver is not using the hardware cursor */ 446 break; 447 case FBIOGCURPOS: 448 printf("%s: FBIOGCURPOS not implemented\n", 449 device_xname(sc->sc_dev)); 450 return EIO; 451 case FBIOSCURPOS: 452 printf("%s: FBIOSCURPOS not implemented\n", 453 device_xname(sc->sc_dev)); 454 return EIO; 455 case FBIOGCURMAX: 456 printf("%s: FBIOGCURMAX not implemented\n", 457 device_xname(sc->sc_dev)); 458 return EIO; 459 460 case WSDISPLAYIO_GTYPE: 461 *(u_int *)data = WSDISPLAY_TYPE_SUNFFB; 462 break; 463 case WSDISPLAYIO_SMODE: 464 { 465 if (sc->sc_mode != *(u_int *)data) { 466 sc->sc_mode = *(u_int *)data; 467 if ((sc->sc_mode == WSDISPLAYIO_MODE_EMUL) && 468 (sc->sc_locked == 0)) { 469 ffb_ras_init(sc); 470 vcons_redraw_screen(ms); 471 } else { 472 ffb_ras_wait(sc); 473 } 474 } 475 } 476 break; 477 case WSDISPLAYIO_GINFO: 478 wdf = (void *)data; 479 wdf->height = sc->sc_height; 480 wdf->width = sc->sc_width; 481 wdf->depth = 32; 482 wdf->cmsize = 256; /* XXX */ 483 break; 484 #ifdef WSDISPLAYIO_LINEBYTES 485 case WSDISPLAYIO_LINEBYTES: 486 *(u_int *)data = sc->sc_linebytes; 487 break; 488 #endif 489 case WSDISPLAYIO_GETCMAP: 490 break;/* XXX */ 491 492 case WSDISPLAYIO_PUTCMAP: 493 break;/* XXX */ 494 495 case WSDISPLAYIO_SVIDEO: 496 case WSDISPLAYIO_GVIDEO: 497 return(ffb_blank(sc, cmd, (u_int *)data)); 498 break; 499 500 case WSDISPLAYIO_GCURPOS: 501 case WSDISPLAYIO_SCURPOS: 502 case WSDISPLAYIO_GCURMAX: 503 case WSDISPLAYIO_GCURSOR: 504 case WSDISPLAYIO_SCURSOR: 505 return EIO; /* not supported yet */ 506 break; 507 508 case WSDISPLAYIO_GET_EDID: { 509 struct wsdisplayio_edid_info *d = data; 510 return wsdisplayio_get_edid(sc->sc_dev, d); 511 } 512 513 case WSDISPLAYIO_GET_FBINFO: { 514 struct wsdisplayio_fbinfo *fbi = data; 515 return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi); 516 } 517 518 default: 519 return EPASSTHROUGH; 520 } 521 522 return (0); 523 } 524 525 /* blank/unblank the screen */ 526 static int 527 ffb_blank(struct ffb_softc *sc, u_long cmd, u_int *data) 528 { 529 struct vcons_screen *ms = sc->vd.active; 530 u_int val; 531 532 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_TGC); 533 val = DAC_READ(sc, FFB_DAC_VALUE); 534 535 switch (cmd) { 536 case WSDISPLAYIO_GVIDEO: 537 *data = val & 1; 538 return(0); 539 break; 540 case WSDISPLAYIO_SVIDEO: 541 if (*data == WSDISPLAYIO_VIDEO_OFF) 542 val &= ~1; 543 else if (*data == WSDISPLAYIO_VIDEO_ON) 544 val |= 1; 545 else 546 return(EINVAL); 547 break; 548 default: 549 return(EINVAL); 550 } 551 552 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_TGC); 553 DAC_WRITE(sc, FFB_DAC_VALUE, val); 554 555 if ((val & 1) && sc->sc_needredraw) { 556 if (ms != NULL) { 557 if ((sc->sc_mode == WSDISPLAYIO_MODE_EMUL) && 558 (sc->sc_locked == 0)) { 559 ffb_ras_init(sc); 560 vcons_redraw_screen(ms); 561 } 562 } 563 } 564 565 return(0); 566 } 567 568 paddr_t 569 ffb_mmap(void *vsc, void *vs, off_t off, int prot) 570 { 571 struct vcons_data *vd = vsc; 572 struct ffb_softc *sc = vd->cookie; 573 int i; 574 575 switch (sc->sc_mode) { 576 case WSDISPLAYIO_MODE_MAPPED: 577 for (i = 0; i < sc->sc_nreg; i++) { 578 /* Before this set? */ 579 if (off < sc->sc_addrs[i]) 580 continue; 581 /* After this set? */ 582 if (off >= (sc->sc_addrs[i] + sc->sc_sizes[i])) 583 continue; 584 585 return (bus_space_mmap(sc->sc_bt, sc->sc_addrs[i], 586 off - sc->sc_addrs[i], prot, BUS_SPACE_MAP_LINEAR)); 587 } 588 break; 589 #ifdef WSDISPLAYIO_MODE_DUMBFB 590 case WSDISPLAYIO_MODE_DUMBFB: 591 if (sc->sc_nreg < FFB_REG_DFB24) 592 break; 593 if (off >= 0 && off < sc->sc_sizes[FFB_REG_DFB24]) 594 return (bus_space_mmap(sc->sc_bt, 595 sc->sc_addrs[FFB_REG_DFB24], off, prot, 596 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE)); 597 break; 598 #endif 599 } 600 return (-1); 601 } 602 603 void 604 ffb_ras_fifo_wait(struct ffb_softc *sc, int n) 605 { 606 int32_t cache = sc->sc_fifo_cache; 607 608 if (cache < n) { 609 do { 610 cache = FBC_READ(sc, FFB_FBC_UCSR); 611 cache = (cache & FBC_UCSR_FIFO_MASK) - 8; 612 } while (cache < n); 613 } 614 sc->sc_fifo_cache = cache - n; 615 } 616 617 void 618 ffb_ras_wait(struct ffb_softc *sc) 619 { 620 uint32_t ucsr, r; 621 622 while (1) { 623 ucsr = FBC_READ(sc, FFB_FBC_UCSR); 624 if ((ucsr & (FBC_UCSR_FB_BUSY|FBC_UCSR_RP_BUSY)) == 0) 625 break; 626 r = ucsr & (FBC_UCSR_READ_ERR | FBC_UCSR_FIFO_OVFL); 627 if (r != 0) 628 FBC_WRITE(sc, FFB_FBC_UCSR, r); 629 } 630 } 631 632 void 633 ffb_ras_init(struct ffb_softc *sc) 634 { 635 uint32_t fbc; 636 637 if (sc->sc_width > 1280) { 638 DPRINTF(("ffb_ras_init: high resolution.\n")); 639 fbc = FFB_FBC_WM_COMBINED | FFB_FBC_WE_FORCEON | 640 FFB_FBC_ZE_OFF | FFB_FBC_YE_OFF | FFB_FBC_XE_ON; 641 } else { 642 DPRINTF(("ffb_ras_init: standard resolution.\n")); 643 fbc = FFB_FBC_XE_OFF; 644 } 645 ffb_ras_fifo_wait(sc, 7); 646 DPRINTF(("WID: %08x\n", FBC_READ(sc, FFB_FBC_WID))); 647 FBC_WRITE(sc, FFB_FBC_WID, 0x0); 648 FBC_WRITE(sc, FFB_FBC_PPC, 649 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | FBC_PPC_ACE_DIS | 650 FBC_PPC_APE_DIS | FBC_PPC_DCE_DIS | FBC_PPC_CS_CONST | 651 FBC_PPC_ABE_DIS | FBC_PPC_XS_WID); 652 653 fbc |= FFB_FBC_WB_A | FFB_FBC_RB_A | FFB_FBC_SB_BOTH | 654 FFB_FBC_RGBE_MASK; 655 DPRINTF(("%s: fbc is %08x\n", __func__, fbc)); 656 FBC_WRITE(sc, FFB_FBC_FBC, fbc); 657 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 658 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 659 FBC_WRITE(sc, FFB_FBC_PMASK, 0xffffffff); 660 FBC_WRITE(sc, FFB_FBC_FONTINC, 0x10000); 661 ffb_ras_fifo_wait(sc, 5); 662 sc->sc_fg_cache = 0; 663 FBC_WRITE(sc, FFB_FBC_FG, sc->sc_fg_cache); 664 sc->sc_bg_cache = 0; 665 FBC_WRITE(sc, FFB_FBC_BG, sc->sc_bg_cache); 666 FBC_WRITE(sc, FFB_FBC_BLENDC, FFB_BLENDC_FORCE_ONE | 667 FFB_BLENDC_DF_ONE_M_A | 668 FFB_BLENDC_SF_A); 669 FBC_WRITE(sc, FFB_FBC_BLENDC1, 0); 670 FBC_WRITE(sc, FFB_FBC_BLENDC2, 0); 671 ffb_ras_wait(sc); 672 } 673 674 void 675 ffb_ras_eraserows(void *cookie, int row, int n, long attr) 676 { 677 struct rasops_info *ri = cookie; 678 struct vcons_screen *scr = ri->ri_hw; 679 struct ffb_softc *sc = scr->scr_cookie; 680 681 if (row < 0) { 682 n += row; 683 row = 0; 684 } 685 if (row + n > ri->ri_rows) 686 n = ri->ri_rows - row; 687 if (n <= 0) 688 return; 689 690 ffb_ras_fill(sc); 691 ffb_ras_setfg(sc, ri->ri_devcmap[(attr >> 16) & 0xf]); 692 ffb_ras_fifo_wait(sc, 4); 693 if ((n == ri->ri_rows) && (ri->ri_flg & RI_FULLCLEAR)) { 694 FBC_WRITE(sc, FFB_FBC_BY, 0); 695 FBC_WRITE(sc, FFB_FBC_BX, 0); 696 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_height); 697 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_width); 698 } else { 699 row *= ri->ri_font->fontheight; 700 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + row); 701 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin); 702 FBC_WRITE(sc, FFB_FBC_BH, n * ri->ri_font->fontheight); 703 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_emuwidth); 704 } 705 SYNC; 706 } 707 708 void 709 ffb_ras_erasecols(void *cookie, int row, int col, int n, long attr) 710 { 711 struct rasops_info *ri = cookie; 712 struct vcons_screen *scr = ri->ri_hw; 713 struct ffb_softc *sc = scr->scr_cookie; 714 715 if ((row < 0) || (row >= ri->ri_rows)) 716 return; 717 if (col < 0) { 718 n += col; 719 col = 0; 720 } 721 if (col + n > ri->ri_cols) 722 n = ri->ri_cols - col; 723 if (n <= 0) 724 return; 725 n *= ri->ri_font->fontwidth; 726 col *= ri->ri_font->fontwidth; 727 row *= ri->ri_font->fontheight; 728 729 ffb_ras_fill(sc); 730 ffb_ras_setfg(sc, ri->ri_devcmap[(attr >> 16) & 0xf]); 731 ffb_ras_fifo_wait(sc, 4); 732 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + row); 733 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin + col); 734 FBC_WRITE(sc, FFB_FBC_BH, ri->ri_font->fontheight); 735 FBC_WRITE(sc, FFB_FBC_BW, n); 736 SYNC; 737 } 738 739 void 740 ffb_ras_fill(struct ffb_softc *sc) 741 { 742 ffb_ras_fifo_wait(sc, 3); 743 FBC_WRITE(sc, FFB_FBC_PPC, 744 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | FBC_PPC_ACE_DIS | 745 FBC_PPC_APE_DIS | FBC_PPC_DCE_DIS | FBC_PPC_CS_CONST | 746 FBC_PPC_ABE_DIS | FBC_PPC_XS_WID); 747 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 748 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 749 SYNC; 750 } 751 752 void 753 ffb_ras_invert(struct ffb_softc *sc) 754 { 755 ffb_ras_fifo_wait(sc, 3); 756 FBC_WRITE(sc, FFB_FBC_PPC, 757 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | FBC_PPC_ACE_DIS | 758 FBC_PPC_APE_DIS | FBC_PPC_DCE_DIS | FBC_PPC_CS_CONST | 759 FBC_PPC_ABE_DIS | FBC_PPC_XS_WID); 760 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_INVERT); 761 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE); 762 SYNC; 763 } 764 765 void 766 ffb_ras_copyrows(void *cookie, int src, int dst, int n) 767 { 768 struct rasops_info *ri = cookie; 769 struct vcons_screen *scr = ri->ri_hw; 770 struct ffb_softc *sc = scr->scr_cookie; 771 772 if (dst == src) 773 return; 774 if (src < 0) { 775 n += src; 776 src = 0; 777 } 778 if ((src + n) > ri->ri_rows) 779 n = ri->ri_rows - src; 780 if (dst < 0) { 781 n += dst; 782 dst = 0; 783 } 784 if ((dst + n) > ri->ri_rows) 785 n = ri->ri_rows - dst; 786 if (n <= 0) 787 return; 788 n *= ri->ri_font->fontheight; 789 src *= ri->ri_font->fontheight; 790 dst *= ri->ri_font->fontheight; 791 792 ffb_ras_fifo_wait(sc, 9); 793 FBC_WRITE(sc, FFB_FBC_PPC, 794 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | FBC_PPC_ACE_DIS | 795 FBC_PPC_APE_DIS | FBC_PPC_DCE_DIS | FBC_PPC_CS_CONST | 796 FBC_PPC_ABE_DIS | FBC_PPC_XS_WID); 797 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_OLD | (FBC_ROP_OLD << 8)); 798 FBC_WRITE(sc, FFB_FBC_DRAWOP, FBC_DRAWOP_VSCROLL); 799 FBC_WRITE(sc, FFB_FBC_BY, ri->ri_yorigin + src); 800 FBC_WRITE(sc, FFB_FBC_BX, ri->ri_xorigin); 801 FBC_WRITE(sc, FFB_FBC_DY, ri->ri_yorigin + dst); 802 FBC_WRITE(sc, FFB_FBC_DX, ri->ri_xorigin); 803 FBC_WRITE(sc, FFB_FBC_BH, n); 804 FBC_WRITE(sc, FFB_FBC_BW, ri->ri_emuwidth); 805 SYNC; 806 } 807 808 static void 809 ffb_ras_setfg(struct ffb_softc *sc, int32_t fg) 810 { 811 ffb_ras_fifo_wait(sc, 1); 812 if (fg == sc->sc_fg_cache) 813 return; 814 sc->sc_fg_cache = fg; 815 FBC_WRITE(sc, FFB_FBC_FG, fg); 816 SYNC; 817 } 818 819 static void 820 ffb_ras_setbg(struct ffb_softc *sc, int32_t bg) 821 { 822 ffb_ras_fifo_wait(sc, 1); 823 if (bg == sc->sc_bg_cache) 824 return; 825 sc->sc_bg_cache = bg; 826 FBC_WRITE(sc, FFB_FBC_BG, bg); 827 SYNC; 828 } 829 830 /* frame buffer generic driver support functions */ 831 static void 832 ffbfb_unblank(device_t dev) 833 { 834 struct ffb_softc *sc = device_private(dev); 835 struct vcons_screen *ms = sc->vd.active; 836 u_int on = 1; 837 int redraw = 0; 838 839 ffb_ras_init(sc); 840 if (sc->sc_locked) { 841 sc->sc_locked = 0; 842 redraw = 1; 843 } 844 845 ffb_blank(sc, WSDISPLAYIO_SVIDEO, &on); 846 #if 0 847 if ((sc->vd.active != &ffb_console_screen) && 848 (ffb_console_screen.scr_flags & VCONS_SCREEN_IS_STATIC)) { 849 /* 850 * force-switch to the console screen. 851 * Caveat: the higher layer will think we're still on the 852 * other screen 853 */ 854 855 SCREEN_INVISIBLE(sc->vd.active); 856 sc->vd.active = &ffb_console_screen; 857 SCREEN_VISIBLE(sc->vd.active); 858 ms = sc->vd.active; 859 redraw = 1; 860 } 861 #endif 862 if (redraw) { 863 vcons_redraw_screen(ms); 864 } 865 } 866 867 int 868 ffbfb_open(dev_t dev, int flags, int mode, struct lwp *l) 869 { 870 struct ffb_softc *sc; 871 872 sc = device_lookup_private(&ffb_cd, minor(dev)); 873 if (sc == NULL) 874 return ENXIO; 875 876 sc->sc_locked = 1; 877 return 0; 878 } 879 880 int 881 ffbfb_close(dev_t dev, int flags, int mode, struct lwp *l) 882 { 883 struct ffb_softc *sc = device_lookup_private(&ffb_cd, minor(dev)); 884 struct vcons_screen *ms = sc->vd.active; 885 886 sc->sc_locked = 0; 887 if (ms != NULL) { 888 if ((sc->sc_mode == WSDISPLAYIO_MODE_EMUL) && 889 (sc->sc_locked == 0)) { 890 ffb_ras_init(sc); 891 vcons_redraw_screen(ms); 892 } 893 } 894 return 0; 895 } 896 897 int 898 ffbfb_ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 899 { 900 struct ffb_softc *sc = device_lookup_private(&ffb_cd, minor(dev)); 901 902 return ffb_ioctl(&sc->vd, NULL, cmd, data, flags, l); 903 } 904 905 paddr_t 906 ffbfb_mmap(dev_t dev, off_t off, int prot) 907 { 908 struct ffb_softc *sc = device_lookup_private(&ffb_cd, minor(dev)); 909 uint64_t size; 910 int i, reg; 911 off_t o; 912 913 /* 914 * off is a magic cookie (see xfree86/drivers/sunffb/ffb.h), 915 * which we map to an index into the "reg" property, and use 916 * our copy of the firmware data as arguments for the real 917 * mapping. 918 */ 919 static struct { unsigned long voff; int reg; long flags; } map[] = { 920 { 0x00000000, FFB_REG_SFB8R, BUS_SPACE_MAP_PREFETCHABLE }, 921 { 0x00400000, FFB_REG_SFB8G, BUS_SPACE_MAP_PREFETCHABLE }, 922 { 0x00800000, FFB_REG_SFB8B, BUS_SPACE_MAP_PREFETCHABLE }, 923 { 0x00c00000, FFB_REG_SFB8X, BUS_SPACE_MAP_PREFETCHABLE }, 924 { 0x01000000, FFB_REG_SFB32, BUS_SPACE_MAP_PREFETCHABLE }, 925 { 0x02000000, FFB_REG_SFB64, BUS_SPACE_MAP_PREFETCHABLE }, 926 { 0x04000000, FFB_REG_FBC, 0 }, 927 { 0x04004000, FFB_REG_DFB8R, BUS_SPACE_MAP_PREFETCHABLE }, 928 { 0x04404000, FFB_REG_DFB8G, BUS_SPACE_MAP_PREFETCHABLE }, 929 { 0x04804000, FFB_REG_DFB8B, BUS_SPACE_MAP_PREFETCHABLE }, 930 { 0x04c04000, FFB_REG_DFB8X, BUS_SPACE_MAP_PREFETCHABLE }, 931 { 0x05004000, FFB_REG_DFB24, BUS_SPACE_MAP_PREFETCHABLE }, 932 { 0x06004000, FFB_REG_DFB32, BUS_SPACE_MAP_PREFETCHABLE }, 933 { 0x07004000, FFB_REG_DFB422A, BUS_SPACE_MAP_PREFETCHABLE }, 934 { 0x0bc06000, FFB_REG_DAC, 0 }, 935 { 0x0bc08000, FFB_REG_PROM, 0 }, 936 { 0x0bc18000, 0, 0 } 937 }; 938 939 /* special value "FFB_EXP_VOFF" - not backed by any "reg" entry */ 940 if (off == 0x0bc18000) 941 return bus_space_mmap(sc->sc_bt, sc->sc_addrs[FFB_REG_PROM], 942 0x00200000, prot, BUS_SPACE_MAP_LINEAR); 943 944 /* 945 * FFB_VOFF_FBC_KREGS - used by afbinit to upload firmware. We should 946 * probably mmap them only on afb boards 947 */ 948 if ((off >= 0x0bc04000) && (off < 0x0bc06000)) 949 return bus_space_mmap(sc->sc_bt, sc->sc_addrs[FFB_REG_PROM], 950 0x00610000 + (off - 0x0bc04000), prot, 951 BUS_SPACE_MAP_LINEAR); 952 953 #define NELEMS(arr) (sizeof(arr)/sizeof((arr)[0])) 954 955 /* the map is ordered by voff */ 956 for (i = 0; i < NELEMS(map)-1; i++) { 957 reg = map[i].reg; 958 /* the number of entries in reg seems to vary */ 959 if (reg < sc->sc_nreg) { 960 size = min((map[i + 1].voff - map[i].voff), 961 sc->sc_sizes[reg]); 962 if ((off >= map[i].voff) && 963 (off < (map[i].voff + size))) { 964 o = off - map[i].voff; 965 return bus_space_mmap(sc->sc_bt, 966 sc->sc_addrs[reg], o, prot, 967 BUS_SPACE_MAP_LINEAR | map[i].flags); 968 } 969 } 970 } 971 972 return -1; 973 } 974 975 void 976 ffb_clearscreen(struct ffb_softc *sc) 977 { 978 struct rasops_info *ri = &ffb_console_screen.scr_ri; 979 ffb_ras_fill(sc); 980 ffb_ras_setfg(sc, ri->ri_devcmap[WS_DEFAULT_BG]); 981 ffb_ras_fifo_wait(sc, 4); 982 FBC_WRITE(sc, FFB_FBC_BY, 0); 983 FBC_WRITE(sc, FFB_FBC_BX, 0); 984 FBC_WRITE(sc, FFB_FBC_BH, sc->sc_height); 985 FBC_WRITE(sc, FFB_FBC_BW, sc->sc_width); 986 } 987 988 void 989 ffb_cursor(void *cookie, int on, int row, int col) 990 { 991 struct rasops_info *ri = cookie; 992 struct vcons_screen *scr; 993 struct ffb_softc *sc; 994 int x, y, wi, he; 995 996 if (cookie != NULL) { 997 scr = ri->ri_hw; 998 sc = scr->scr_cookie; 999 1000 wi = ri->ri_font->fontwidth; 1001 he = ri->ri_font->fontheight; 1002 1003 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1004 1005 if (ri->ri_flg & RI_CURSOR) { 1006 1007 /* remove cursor */ 1008 x = ri->ri_ccol * wi + ri->ri_xorigin; 1009 y = ri->ri_crow * he + ri->ri_yorigin; 1010 1011 ffb_ras_invert(sc); 1012 ffb_ras_fifo_wait(sc, 4); 1013 FBC_WRITE(sc, FFB_FBC_BY, y); 1014 FBC_WRITE(sc, FFB_FBC_BX, x); 1015 FBC_WRITE(sc, FFB_FBC_BH, he); 1016 FBC_WRITE(sc, FFB_FBC_BW, wi); 1017 1018 ri->ri_flg &= ~RI_CURSOR; 1019 } 1020 ri->ri_crow = row; 1021 ri->ri_ccol = col; 1022 if (on) 1023 { 1024 x = ri->ri_ccol * wi + ri->ri_xorigin; 1025 y = ri->ri_crow * he + ri->ri_yorigin; 1026 1027 ffb_ras_invert(sc); 1028 ffb_ras_fifo_wait(sc, 4); 1029 FBC_WRITE(sc, FFB_FBC_BY, y); 1030 FBC_WRITE(sc, FFB_FBC_BX, x); 1031 FBC_WRITE(sc, FFB_FBC_BH, he); 1032 FBC_WRITE(sc, FFB_FBC_BW, wi); 1033 1034 ri->ri_flg |= RI_CURSOR; 1035 } 1036 } else { 1037 ri->ri_crow = row; 1038 ri->ri_ccol = col; 1039 ri->ri_flg &= ~RI_CURSOR; 1040 } 1041 } 1042 } 1043 1044 /* mono bitmap font */ 1045 void 1046 ffb_putchar_mono(void *cookie, int row, int col, u_int c, long attr) 1047 { 1048 struct rasops_info *ri = cookie; 1049 struct vcons_screen *scr = ri->ri_hw; 1050 struct wsdisplay_font *font = PICK_FONT(ri, c); 1051 struct ffb_softc *sc = scr->scr_cookie; 1052 void *data; 1053 uint32_t fg, bg; 1054 int i; 1055 int x, y, wi, he; 1056 1057 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1058 return; 1059 1060 wi = font->fontwidth; 1061 he = font->fontheight; 1062 1063 if (!CHAR_IN_FONT(c, font)) 1064 return; 1065 1066 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1067 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1068 x = ri->ri_xorigin + col * wi; 1069 y = ri->ri_yorigin + row * he; 1070 1071 data = WSFONT_GLYPH(c, font); 1072 1073 ffb_ras_setbg(sc, bg); 1074 ffb_ras_setfg(sc, fg); 1075 ffb_ras_fifo_wait(sc, 4); 1076 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 1077 FBC_WRITE(sc, FFB_FBC_FONTXY, (y << 16) | x); 1078 FBC_WRITE(sc, FFB_FBC_FONTW, wi); 1079 FBC_WRITE(sc, FFB_FBC_PPC, 1080 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | FBC_PPC_ACE_DIS | 1081 FBC_PPC_APE_DIS | FBC_PPC_DCE_DIS | FBC_PPC_CS_CONST | 1082 FBC_PPC_ABE_DIS | FBC_PPC_XS_WID); 1083 1084 switch (font->stride) { 1085 case 1: { 1086 uint8_t *data8 = data; 1087 uint32_t reg; 1088 for (i = 0; i < he; i++) { 1089 reg = *data8; 1090 FBC_WRITE(sc, FFB_FBC_FONT, reg << 24); 1091 data8++; 1092 } 1093 break; 1094 } 1095 case 2: { 1096 uint16_t *data16 = data; 1097 uint32_t reg; 1098 for (i = 0; i < he; i++) { 1099 reg = *data16; 1100 FBC_WRITE(sc, FFB_FBC_FONT, reg << 16); 1101 data16++; 1102 } 1103 break; 1104 } 1105 } 1106 } 1107 1108 /* alpha font */ 1109 void 1110 ffb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1111 { 1112 struct rasops_info *ri = cookie; 1113 struct vcons_screen *scr = ri->ri_hw; 1114 struct wsdisplay_font *font = PICK_FONT(ri, c); 1115 struct ffb_softc *sc = scr->scr_cookie; 1116 volatile uint32_t *dest, *ddest; 1117 uint8_t *data8; 1118 uint32_t fg, bg; 1119 int i; 1120 int x, y, wi, he; 1121 uint32_t alpha = 0x80; 1122 int j; 1123 1124 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1125 return; 1126 1127 wi = font->fontwidth; 1128 he = font->fontheight; 1129 1130 if (!CHAR_IN_FONT(c, font)) 1131 return; 1132 1133 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1134 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1135 x = ri->ri_xorigin + col * wi; 1136 y = ri->ri_yorigin + row * he; 1137 1138 data8 = WSFONT_GLYPH(c, font); 1139 1140 /* first we erase the background */ 1141 ffb_ras_fill(sc); 1142 ffb_ras_setfg(sc, bg); 1143 ffb_ras_fifo_wait(sc, 4); 1144 FBC_WRITE(sc, FFB_FBC_BY, y); 1145 FBC_WRITE(sc, FFB_FBC_BX, x); 1146 FBC_WRITE(sc, FFB_FBC_BH, he); 1147 FBC_WRITE(sc, FFB_FBC_BW, wi); 1148 1149 /* if we draw a space we're done */ 1150 if (c == ' ') return; 1151 1152 /* now enable alpha blending */ 1153 ffb_ras_setfg(sc, fg); 1154 ffb_ras_fifo_wait(sc, 2); 1155 FBC_WRITE(sc, FFB_FBC_ROP, FBC_ROP_NEW); 1156 1157 FBC_WRITE(sc, FFB_FBC_PPC, 1158 FBC_PPC_VCE_DIS | FBC_PPC_TBE_OPAQUE | FBC_PPC_ACE_DIS | 1159 FBC_PPC_APE_DIS | FBC_PPC_DCE_DIS | FBC_PPC_CS_CONST | 1160 FBC_PPC_ABE_ENA | FBC_PPC_XS_VAR); 1161 /* 1162 * we have to wait for both the rectangle drawing op above and the 1163 * FFB_FBC_PPC write to finish before mucking around in the SFB aperture 1164 */ 1165 ffb_ras_wait(sc); 1166 1167 /* ... and draw the character */ 1168 dest = sc->sc_sfb32 + (y << 11) + x; 1169 for (i = 0; i < he; i++) { 1170 ddest = dest; 1171 for (j = 0; j < wi; j++) { 1172 alpha = *data8; 1173 /* 1174 * We set the colour source to constant above so we only 1175 * have to write the alpha channel here and the colour 1176 * comes from the FG register. It would be nice if we 1177 * could just use the SFB8X aperture and memcpy() the 1178 * alpha map line by line but for some strange reason 1179 * that will take colour info from the framebuffer even 1180 * if we set the FBC_PPC_CS_CONST bit above. 1181 */ 1182 *ddest = alpha << 24; 1183 data8++; 1184 ddest++; 1185 } 1186 dest += 2048; 1187 } 1188 } 1189 1190 int 1191 ffb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp) 1192 { 1193 if ((fg == 0) && (bg == 0)) 1194 { 1195 fg = WS_DEFAULT_FG; 1196 bg = WS_DEFAULT_BG; 1197 } 1198 if (flags & WSATTR_REVERSE) { 1199 *attrp = (bg & 0xff) << 24 | (fg & 0xff) << 16 | 1200 (flags & 0xff); 1201 } else 1202 *attrp = (fg & 0xff) << 24 | (bg & 0xff) << 16 | 1203 (flags & 0xff); 1204 return 0; 1205 } 1206 1207 void 1208 ffb_init_screen(void *cookie, struct vcons_screen *scr, 1209 int existing, long *defattr) 1210 { 1211 struct ffb_softc *sc = cookie; 1212 struct rasops_info *ri = &scr->scr_ri; 1213 1214 ri->ri_depth = 32; 1215 ri->ri_width = sc->sc_width; 1216 ri->ri_height = sc->sc_height; 1217 ri->ri_stride = sc->sc_linebytes; 1218 ri->ri_flg = RI_CENTER | RI_ENABLE_ALPHA; 1219 1220 /* 1221 * we can't accelerate copycols() so instead of falling back to 1222 * software use vcons' putchar() based implementation 1223 */ 1224 scr->scr_flags |= VCONS_NO_COPYCOLS; 1225 #ifdef VCONS_DRAW_INTR 1226 scr->scr_flags |= VCONS_DONT_READ; 1227 #endif 1228 DPRINTF(("ffb_init_screen: addr: %08lx\n",(ulong)ri->ri_bits)); 1229 1230 /* explicitly request BGR in case the default changes */ 1231 ri->ri_rnum = 8; 1232 ri->ri_gnum = 8; 1233 ri->ri_bnum = 8; 1234 ri->ri_rpos = 0; 1235 ri->ri_gpos = 8; 1236 ri->ri_bpos = 16; 1237 1238 rasops_init(ri, 0, 0); 1239 ri->ri_caps = WSSCREEN_WSCOLORS; 1240 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 1241 sc->sc_width / ri->ri_font->fontwidth); 1242 1243 /* enable acceleration */ 1244 ri->ri_ops.copyrows = ffb_ras_copyrows; 1245 ri->ri_ops.eraserows = ffb_ras_eraserows; 1246 ri->ri_ops.erasecols = ffb_ras_erasecols; 1247 ri->ri_ops.cursor = ffb_cursor; 1248 ri->ri_ops.allocattr = ffb_allocattr; 1249 if (FONT_IS_ALPHA(ri->ri_font)) { 1250 ri->ri_ops.putchar = ffb_putchar_aa; 1251 } else 1252 ri->ri_ops.putchar = ffb_putchar_mono; 1253 } 1254 1255 /* I2C bitbanging */ 1256 static void ffb_i2cbb_set_bits(void *cookie, uint32_t bits) 1257 { 1258 struct ffb_softc *sc = cookie; 1259 1260 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_CFG_MPDATA); 1261 DAC_WRITE(sc, FFB_DAC_VALUE, bits); 1262 } 1263 1264 static void ffb_i2cbb_set_dir(void *cookie, uint32_t dir) 1265 { 1266 /* Nothing to do */ 1267 } 1268 1269 static uint32_t ffb_i2cbb_read(void *cookie) 1270 { 1271 struct ffb_softc *sc = cookie; 1272 uint32_t bits; 1273 1274 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_CFG_MPSENSE); 1275 bits = DAC_READ(sc, FFB_DAC_VALUE); 1276 1277 return bits; 1278 } 1279 1280 /* higher level I2C stuff */ 1281 static int 1282 ffb_i2c_acquire_bus(void *cookie, int flags) 1283 { 1284 /* private bus */ 1285 return (0); 1286 } 1287 1288 static void 1289 ffb_i2c_release_bus(void *cookie, int flags) 1290 { 1291 /* private bus */ 1292 } 1293 1294 static int 1295 ffb_i2c_send_start(void *cookie, int flags) 1296 { 1297 return (i2c_bitbang_send_start(cookie, flags, &ffb_i2cbb_ops)); 1298 } 1299 1300 static int 1301 ffb_i2c_send_stop(void *cookie, int flags) 1302 { 1303 1304 return (i2c_bitbang_send_stop(cookie, flags, &ffb_i2cbb_ops)); 1305 } 1306 1307 static int 1308 ffb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) 1309 { 1310 /* 1311 * for some reason i2c_bitbang_initiate_xfer left-shifts 1312 * the I2C-address and then sets the direction bit 1313 */ 1314 return (i2c_bitbang_initiate_xfer(cookie, addr, flags, 1315 &ffb_i2cbb_ops)); 1316 } 1317 1318 static int 1319 ffb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) 1320 { 1321 return (i2c_bitbang_read_byte(cookie, valp, flags, &ffb_i2cbb_ops)); 1322 } 1323 1324 static int 1325 ffb_i2c_write_byte(void *cookie, uint8_t val, int flags) 1326 { 1327 return (i2c_bitbang_write_byte(cookie, val, flags, &ffb_i2cbb_ops)); 1328 } 1329 1330 1331 #define TVC_READ_LIMIT 100000 1332 int 1333 ffb_tgc_disable(struct ffb_softc *sc) 1334 { 1335 int i; 1336 1337 /* Is the timing generator disabled? */ 1338 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_TGC); 1339 if (!(DAC_READ(sc, FFB_DAC_VALUE) & FFB_DAC_TGC_TIMING_ENABLE)) 1340 return 1; 1341 1342 /* If not, disable it when the vertical counter reaches 0 */ 1343 for (i = 0; i < TVC_READ_LIMIT; i++) { 1344 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_TVC); 1345 if (!DAC_READ(sc, FFB_DAC_VALUE)) { 1346 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_TGC); 1347 DAC_WRITE(sc, FFB_DAC_VALUE, 0); 1348 return 1; 1349 } 1350 } 1351 return 0; 1352 } 1353 1354 /* 1355 * PLL Control Register values: 1356 * M)ultiplier = bits 0:6 + 1 1357 * D)ivisor = bits 7:10 + 1 1358 * P)ost divisor = bits 11:13 (000 = 1, 001 = 2, 010 = 4, 011 = 8) 1359 * Frequency = 13.5 * M / D / P 1360 */ 1361 #define FFB_PLL_FREQ 13500000 1362 void 1363 ffb_get_pclk(int request, uint32_t *pll, int *diff) 1364 { 1365 int m, d, p, f, hex = 0, curdiff; 1366 1367 *diff = 100000000; 1368 1369 for (m = 32; m <= 80; m++) { 1370 for (d = 4; d <= 11; d++) { 1371 for (p = 1; p <= 8; p = p << 1) { 1372 switch (p) { 1373 case 1: 1374 hex = 0x4000 + (d << 7) + m; 1375 break; 1376 case 2: 1377 hex = 0x4800 + (d << 7) + m; 1378 break; 1379 case 4: 1380 hex = 0x5000 + (d << 7) + m; 1381 break; 1382 case 8: 1383 hex = 0x6000 + (d << 7) + m; 1384 break; 1385 } 1386 f = 13500000 * m / d / p; 1387 if (f == request) { 1388 *diff = 0; 1389 *pll = hex; 1390 return; 1391 } else { 1392 curdiff = abs(request - f); 1393 if (curdiff < *diff) { 1394 *diff = curdiff; 1395 *pll = hex; 1396 } 1397 } 1398 } 1399 } 1400 } 1401 } 1402 1403 /* 1404 * Details of the FFB RAMDAC are contained in the Brooktree BT497/498 1405 * and in the Connexant BT497A/498A documentation. 1406 * 1407 * VESA timings to FFB register conversion: 1408 * If interleave = 4/2:1 then x = 2, if interleave = 8/2:1 then x = 4 1409 * VBE = VBS - vres = (sync pulse - 1) + back porch 1410 * VBS = VSS - front porch = (sync pulse - 1) + back porch + vres 1411 * VSE = sync pulse - 1 1412 * VSS = (sync pulse - 1) + back porch + vres + front porch 1413 * HRE = HSS - HSE - 1 1414 * HBE = (sync pulse + back porch) / x - 1 1415 * HBS = (sync pulse + back porch + hres) / x - 1 1416 * HSE = sync pulse / x - 1 1417 * HSS = (sync pulse + back porch + hres + front porch) / x - 1 1418 * HCE = HBS - 4 1419 * HCS = HBE - 4 1420 * EPE = EIE = EIS = 0 (for all non-interlaced modes) 1421 * 1422 * Note, that 8/2:1 Single Buffered Interleaving is only supported by the 1423 * double-buffered FFB (Creator3D), and at higher resolutions than 1280x1024 1424 * 1425 * Note, that the timing generator should be disabled and re-enabled when the 1426 * the timing parameter registers are being programmed. Stopping the timing 1427 * generator should only be done when the vertical counter is zero. 1428 */ 1429 #define DIVIDE(x,y) (((x) + ((y) / 2)) / (y)) 1430 int 1431 ffb_set_vmode(struct ffb_softc *sc, struct videomode *mode, int btype, 1432 int *hres, int *vres) 1433 { 1434 int diff; 1435 uint32_t fp, sp, bp, x; 1436 uint32_t pll, pfc, ucl, dcl, tgc; 1437 uint32_t vbe, vbs, vse, vss, hre, hbe, hbs, hse, hss, hce, hcs; 1438 uint32_t epe, eie, eis; 1439 uint32_t fbcfg0; 1440 1441 DPRINTF(("ffb_set_vmode: %dx%d@%d", mode->hdisplay, mode->vdisplay, 1442 DIVIDE(DIVIDE(mode->dot_clock * 1000, 1443 mode->htotal), mode->vtotal))); 1444 DPRINTF((" (%d %d %d %d %d %d %d", 1445 mode->dot_clock, mode->hsync_start, mode->hsync_end, mode->htotal, 1446 mode->vsync_start, mode->vsync_end, mode->vtotal)); 1447 DPRINTF((" %s%sH %s%sV)\n", 1448 mode->flags & VID_PHSYNC ? "+" : "", 1449 mode->flags & VID_NHSYNC ? "-" : "", 1450 mode->flags & VID_PVSYNC ? "+" : "", 1451 mode->flags & VID_NVSYNC ? "-" : "")); 1452 1453 /* We don't handle interlaced or doublescan (yet) */ 1454 if ((mode->flags & VID_INTERLACE) || (mode->flags & VID_DBLSCAN)) 1455 return 0; 1456 1457 /* Only Creator3D can be set to > 1280x1024 */ 1458 if(((sc->sc_type == FFB_CREATOR && !((btype & 7) == 3)) || 1459 sc->sc_type == FFB_AFB) 1460 && (mode->hdisplay > 1280 || mode->vdisplay > 1024)) 1461 return 0; 1462 /* Creator3D can be set to <= 1920x1360 */ 1463 if (mode->hdisplay > 1920 || mode->vdisplay > 1360) 1464 return 0; 1465 1466 /* 1467 * Look for a matching pixel clock and set PLL Control. 1468 * XXX: 640x480@60 is 25175000 in modelines but 25125000 in the 1469 * FFB PROM, and the closest match to 25175000 (0x4da9/25159090) 1470 * does not work. So, use the PROM value instead. 1471 */ 1472 if (mode->hdisplay == 640 && mode->vdisplay == 480 && 1473 mode->dot_clock == 25175) { 1474 DPRINTF(("ffb_set_vmode: 640x480@60: adjusted dot clock\n")); 1475 mode->dot_clock = 25125; 1476 } 1477 ffb_get_pclk(mode->dot_clock * 1000, &pll, &diff); 1478 if (diff > 250000) 1479 return 0; 1480 1481 /* Pixel Format Control, User Control and FBC Configuration. */ 1482 if (mode->hdisplay > 1280) { 1483 pfc = FFB_DAC_PIX_FMT_821; 1484 ucl = FFB_DAC_USR_CTRL_OVERLAY | FFB_DAC_USR_CTRL_WMODE_C; 1485 x = 4; 1486 fbcfg0 = FBC_READ(sc, FFB_FBC_FBCFG0) | FBC_CFG0_DOUBLE_BUF; 1487 } else { 1488 pfc = FFB_DAC_PIX_FMT_421; 1489 /* Only Creator3D and Elite3D can have double-buffer */ 1490 if ((sc->sc_type == FFB_CREATOR && !((btype & 7) == 3))) 1491 ucl = 0; 1492 else 1493 ucl = FFB_DAC_USR_CTRL_DOUBLE; 1494 ucl |= (FFB_DAC_USR_CTRL_OVERLAY | FFB_DAC_USR_CTRL_WMODE_S8); 1495 x = 2; 1496 fbcfg0 = FBC_READ(sc, FFB_FBC_FBCFG0) | FBC_CFG0_SINGLE_BUF; 1497 } 1498 1499 /* DAC Control and Timing Generator Control */ 1500 if (mode->flags & VID_PVSYNC) 1501 dcl = FFB_DAC_DAC_CTRL_POS_VSYNC; 1502 else 1503 dcl = 0; 1504 tgc = 0; 1505 #define EDID_VID_INP sc->sc_edid_info.edid_video_input 1506 if ((EDID_VID_INP & EDID_VIDEO_INPUT_COMPOSITE_SYNC)) { 1507 dcl |= FFB_DAC_DAC_CTRL_VSYNC_DIS; 1508 tgc = FFB_DAC_TGC_EQUAL_DISABLE; 1509 } else { 1510 dcl |= FFB_DAC_DAC_CTRL_SYNC_G; 1511 if (EDID_VID_INP & EDID_VIDEO_INPUT_SEPARATE_SYNCS) 1512 tgc |= FFB_DAC_TGC_VSYNC_DISABLE; 1513 else 1514 tgc = FFB_DAC_TGC_EQUAL_DISABLE; 1515 } 1516 if (EDID_VID_INP & EDID_VIDEO_INPUT_BLANK_TO_BLACK) 1517 dcl |= FFB_DAC_DAC_CTRL_PED_ENABLE; 1518 tgc |= (FFB_DAC_TGC_VIDEO_ENABLE | FFB_DAC_TGC_TIMING_ENABLE | 1519 FFB_DAC_TGC_MASTER_ENABLE); 1520 1521 /* Vertical timing */ 1522 fp = mode->vsync_start - mode->vdisplay; 1523 sp = mode->vsync_end - mode->vsync_start; 1524 bp = mode->vtotal - mode->vsync_end; 1525 1526 vbe = sp - 1 + bp; 1527 vbs = sp - 1 + bp + mode->vdisplay; 1528 vse = sp - 1; 1529 vss = sp - 1 + bp + mode->vdisplay + fp; 1530 1531 /* Horizontal timing */ 1532 fp = mode->hsync_start - mode->hdisplay; 1533 sp = mode->hsync_end - mode->hsync_start; 1534 bp = mode->htotal - mode->hsync_end; 1535 1536 hbe = (sp + bp) / x - 1; 1537 hbs = (sp + bp + mode->hdisplay) / x - 1; 1538 hse = sp / x - 1; 1539 hss = (sp + bp + mode->hdisplay + fp) / x -1; 1540 hre = hss - hse - 1; 1541 hce = hbs - 4; 1542 hcs = hbe - 4; 1543 1544 /* Equalisation (interlaced modes) */ 1545 epe = 0; 1546 eie = 0; 1547 eis = 0; 1548 1549 DPRINTF(("ffb_set_vmode: 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 1550 pll, pfc, ucl, dcl, tgc)); 1551 DPRINTF(("\t0x%04x 0x%04x 0x%04x 0x%04x\n", vbe, vbs, vse, vss)); 1552 DPRINTF(("\t0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 1553 hre, hbe, hbs, hse, hss, hce, hcs)); 1554 DPRINTF(("\t0x%04x 0x%04x 0x%04x\n", epe, eie, eis)); 1555 1556 if (!ffb_tgc_disable(sc)) { 1557 DPRINTF(("ffb_set_vmode: failed to disable TGC register\n")); 1558 return 0; 1559 } 1560 1561 /* 1562 * Program the mode registers. 1563 * Program the timing generator last, as that re-enables output. 1564 * Note, that a read to/write from a register increments the 1565 * register address to the next register automatically. 1566 */ 1567 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_PLL_CTRL); 1568 DAC_WRITE(sc, FFB_DAC_VALUE, pll); 1569 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_PIX_FMT); 1570 DAC_WRITE(sc, FFB_DAC_VALUE, pfc); 1571 DAC_WRITE(sc, FFB_DAC_VALUE, ucl); 1572 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_DAC_CTRL); 1573 DAC_WRITE(sc, FFB_DAC_VALUE, dcl); 1574 1575 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_VBE); 1576 DAC_WRITE(sc, FFB_DAC_VALUE, vbe); 1577 DAC_WRITE(sc, FFB_DAC_VALUE, vbs); 1578 DAC_WRITE(sc, FFB_DAC_VALUE, vse); 1579 DAC_WRITE(sc, FFB_DAC_VALUE, vss); 1580 1581 DAC_WRITE(sc, FFB_DAC_VALUE, hre); 1582 DAC_WRITE(sc, FFB_DAC_VALUE, hbe); 1583 DAC_WRITE(sc, FFB_DAC_VALUE, hbs); 1584 DAC_WRITE(sc, FFB_DAC_VALUE, hse); 1585 DAC_WRITE(sc, FFB_DAC_VALUE, hss); 1586 DAC_WRITE(sc, FFB_DAC_VALUE, hce); 1587 DAC_WRITE(sc, FFB_DAC_VALUE, hcs); 1588 1589 DAC_WRITE(sc, FFB_DAC_VALUE, epe); 1590 DAC_WRITE(sc, FFB_DAC_VALUE, eie); 1591 DAC_WRITE(sc, FFB_DAC_VALUE, eis); 1592 1593 FBC_WRITE(sc, FFB_FBC_FBCFG0, fbcfg0); 1594 1595 DAC_WRITE(sc, FFB_DAC_TYPE, FFB_DAC_TGC); 1596 DAC_WRITE(sc, FFB_DAC_VALUE, tgc); 1597 DPRINTF(("new tgc: %08x\n", tgc)); 1598 1599 *hres = mode->hdisplay; 1600 *vres = mode->vdisplay; 1601 1602 printf("%s: video mode set to %d x %d @ %dHz\n", 1603 device_xname(sc->sc_dev), 1604 mode->hdisplay, mode->vdisplay, 1605 DIVIDE(DIVIDE(mode->dot_clock * 1000, 1606 mode->htotal), mode->vtotal)); 1607 1608 return 1; 1609 } 1610
Indexes created Sat Sep 27 22:09:54 GMT 2025