pm2fb.c revision 1.23
1 /* $NetBSD: pm2fb.c,v 1.23 2013/07/30 19:21:50 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 2009, 2012 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * A console driver for Permedia 2 graphics controllers 30 * tested on sparc64 only so far 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: pm2fb.c,v 1.23 2013/07/30 19:21:50 macallan Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/lwp.h> 42 #include <sys/kauth.h> 43 #include <sys/atomic.h> 44 45 #include <dev/videomode/videomode.h> 46 47 #include <dev/pci/pcivar.h> 48 #include <dev/pci/pcireg.h> 49 #include <dev/pci/pcidevs.h> 50 #include <dev/pci/pciio.h> 51 #include <dev/pci/pm2reg.h> 52 53 #include <dev/wscons/wsdisplayvar.h> 54 #include <dev/wscons/wsconsio.h> 55 #include <dev/wsfont/wsfont.h> 56 #include <dev/rasops/rasops.h> 57 #include <dev/wscons/wsdisplay_vconsvar.h> 58 #include <dev/wscons/wsdisplay_glyphcachevar.h> 59 #include <dev/pci/wsdisplay_pci.h> 60 61 #include <dev/i2c/i2cvar.h> 62 #include <dev/i2c/i2c_bitbang.h> 63 #include <dev/i2c/ddcvar.h> 64 #include <dev/videomode/videomode.h> 65 #include <dev/videomode/edidvar.h> 66 #include <dev/videomode/edidreg.h> 67 68 #include "opt_pm2fb.h" 69 70 #ifdef PM2FB_DEBUG 71 #define DPRINTF aprint_error 72 #else 73 #define DPRINTF while (0) printf 74 #endif 75 76 struct pm2fb_softc { 77 device_t sc_dev; 78 79 pci_chipset_tag_t sc_pc; 80 pcitag_t sc_pcitag; 81 82 bus_space_tag_t sc_memt; 83 bus_space_tag_t sc_iot; 84 85 bus_space_handle_t sc_regh; 86 bus_addr_t sc_fb, sc_reg; 87 bus_size_t sc_fbsize, sc_regsize; 88 89 int sc_width, sc_height, sc_depth, sc_stride; 90 int sc_locked; 91 struct vcons_screen sc_console_screen; 92 struct wsscreen_descr sc_defaultscreen_descr; 93 const struct wsscreen_descr *sc_screens[1]; 94 struct wsscreen_list sc_screenlist; 95 struct vcons_data vd; 96 int sc_mode; 97 u_char sc_cmap_red[256]; 98 u_char sc_cmap_green[256]; 99 u_char sc_cmap_blue[256]; 100 /* engine stuff */ 101 uint32_t sc_pprod; 102 int sc_is_pm2; 103 /* i2c stuff */ 104 struct i2c_controller sc_i2c; 105 uint8_t sc_edid_data[128]; 106 struct edid_info sc_ei; 107 const struct videomode *sc_videomode; 108 glyphcache sc_gc; 109 }; 110 111 static int pm2fb_match(device_t, cfdata_t, void *); 112 static void pm2fb_attach(device_t, device_t, void *); 113 114 CFATTACH_DECL_NEW(pm2fb, sizeof(struct pm2fb_softc), 115 pm2fb_match, pm2fb_attach, NULL, NULL); 116 117 extern const u_char rasops_cmap[768]; 118 119 static int pm2fb_ioctl(void *, void *, u_long, void *, int, 120 struct lwp *); 121 static paddr_t pm2fb_mmap(void *, void *, off_t, int); 122 static void pm2fb_init_screen(void *, struct vcons_screen *, int, long *); 123 124 static int pm2fb_putcmap(struct pm2fb_softc *, struct wsdisplay_cmap *); 125 static int pm2fb_getcmap(struct pm2fb_softc *, struct wsdisplay_cmap *); 126 static void pm2fb_restore_palette(struct pm2fb_softc *); 127 static int pm2fb_putpalreg(struct pm2fb_softc *, uint8_t, uint8_t, 128 uint8_t, uint8_t); 129 130 static void pm2fb_init(struct pm2fb_softc *); 131 static inline void pm2fb_wait(struct pm2fb_softc *, int); 132 static void pm2fb_flush_engine(struct pm2fb_softc *); 133 static void pm2fb_rectfill(struct pm2fb_softc *, int, int, int, int, 134 uint32_t); 135 static void pm2fb_rectfill_a(void *, int, int, int, int, long); 136 static void pm2fb_bitblt(void *, int, int, int, int, int, int, int); 137 138 static void pm2fb_cursor(void *, int, int, int); 139 static void pm2fb_putchar(void *, int, int, u_int, long); 140 static void pm2fb_putchar_aa(void *, int, int, u_int, long); 141 static void pm2fb_copycols(void *, int, int, int, int); 142 static void pm2fb_erasecols(void *, int, int, int, long); 143 static void pm2fb_copyrows(void *, int, int, int); 144 static void pm2fb_eraserows(void *, int, int, long); 145 146 struct wsdisplay_accessops pm2fb_accessops = { 147 pm2fb_ioctl, 148 pm2fb_mmap, 149 NULL, /* alloc_screen */ 150 NULL, /* free_screen */ 151 NULL, /* show_screen */ 152 NULL, /* load_font */ 153 NULL, /* pollc */ 154 NULL /* scroll */ 155 }; 156 157 /* I2C glue */ 158 static int pm2fb_i2c_acquire_bus(void *, int); 159 static void pm2fb_i2c_release_bus(void *, int); 160 static int pm2fb_i2c_send_start(void *, int); 161 static int pm2fb_i2c_send_stop(void *, int); 162 static int pm2fb_i2c_initiate_xfer(void *, i2c_addr_t, int); 163 static int pm2fb_i2c_read_byte(void *, uint8_t *, int); 164 static int pm2fb_i2c_write_byte(void *, uint8_t, int); 165 166 /* I2C bitbang glue */ 167 static void pm2fb_i2cbb_set_bits(void *, uint32_t); 168 static void pm2fb_i2cbb_set_dir(void *, uint32_t); 169 static uint32_t pm2fb_i2cbb_read(void *); 170 171 static void pm2_setup_i2c(struct pm2fb_softc *); 172 173 static const struct i2c_bitbang_ops pm2fb_i2cbb_ops = { 174 pm2fb_i2cbb_set_bits, 175 pm2fb_i2cbb_set_dir, 176 pm2fb_i2cbb_read, 177 { 178 PM2_DD_SDA_IN, 179 PM2_DD_SCL_IN, 180 0, 181 0 182 } 183 }; 184 185 /* mode setting stuff */ 186 static int pm2fb_set_pll(struct pm2fb_softc *, int); 187 static uint8_t pm2fb_read_dac(struct pm2fb_softc *, int); 188 static void pm2fb_write_dac(struct pm2fb_softc *, int, uint8_t); 189 static void pm2fb_set_mode(struct pm2fb_softc *, const struct videomode *); 190 191 /* this table is from xf86-video-glint */ 192 #define PARTPROD(a,b,c) (((a)<<6) | ((b)<<3) | (c)) 193 int partprodPermedia[] = { 194 -1, 195 PARTPROD(0,0,1), PARTPROD(0,1,1), PARTPROD(1,1,1), PARTPROD(1,1,2), 196 PARTPROD(1,2,2), PARTPROD(2,2,2), PARTPROD(1,2,3), PARTPROD(2,2,3), 197 PARTPROD(1,3,3), PARTPROD(2,3,3), PARTPROD(1,2,4), PARTPROD(3,3,3), 198 PARTPROD(1,3,4), PARTPROD(2,3,4), -1, PARTPROD(3,3,4), 199 PARTPROD(1,4,4), PARTPROD(2,4,4), -1, PARTPROD(3,4,4), 200 -1, PARTPROD(2,3,5), -1, PARTPROD(4,4,4), 201 PARTPROD(1,4,5), PARTPROD(2,4,5), PARTPROD(3,4,5), -1, 202 -1, -1, -1, PARTPROD(4,4,5), 203 PARTPROD(1,5,5), PARTPROD(2,5,5), -1, PARTPROD(3,5,5), 204 -1, -1, -1, PARTPROD(4,5,5), 205 -1, -1, -1, PARTPROD(3,4,6), 206 -1, -1, -1, PARTPROD(5,5,5), 207 PARTPROD(1,5,6), PARTPROD(2,5,6), -1, PARTPROD(3,5,6), 208 -1, -1, -1, PARTPROD(4,5,6), 209 -1, -1, -1, -1, 210 -1, -1, -1, PARTPROD(5,5,6), 211 -1, -1, -1, -1, 212 -1, -1, -1, -1, 213 -1, -1, -1, -1, 214 -1, -1, -1, -1, 215 -1, -1, -1, -1, 216 -1, -1, -1, -1, 217 -1, -1, -1, -1, 218 -1, -1, -1, -1, 219 -1, -1, -1, -1, 220 -1, -1, -1, -1, 221 -1, -1, -1, -1, 222 -1, -1, -1, -1, 223 -1, -1, -1, -1, 224 -1, -1, -1, -1, 225 -1, -1, -1, -1, 226 -1, -1, -1, -1, 227 0}; 228 229 static inline void 230 pm2fb_wait(struct pm2fb_softc *sc, int slots) 231 { 232 uint32_t reg; 233 234 do { 235 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 236 PM2_INPUT_FIFO_SPACE); 237 } while (reg <= slots); 238 } 239 240 static void 241 pm2fb_flush_engine(struct pm2fb_softc *sc) 242 { 243 244 pm2fb_wait(sc, 2); 245 246 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_FILTER_MODE, 247 PM2FLT_PASS_SYNC); 248 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SYNC, 0); 249 do { 250 while (bus_space_read_4(sc->sc_memt, sc->sc_regh, 251 PM2_OUTPUT_FIFO_WORDS) == 0); 252 } while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO) != 253 0x188); 254 } 255 256 static int 257 pm2fb_match(device_t parent, cfdata_t match, void *aux) 258 { 259 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 260 261 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) 262 return 0; 263 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3DLABS) 264 return 0; 265 266 /* 267 * only card tested on so far is a TechSource Raptor GFX 8P / 268 * Sun PGX32, which happens to be a Permedia 2v 269 */ 270 if (/*(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2) ||*/ 271 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2V)) 272 return 100; 273 return (0); 274 } 275 276 static void 277 pm2fb_attach(device_t parent, device_t self, void *aux) 278 { 279 struct pm2fb_softc *sc = device_private(self); 280 struct pci_attach_args *pa = aux; 281 struct rasops_info *ri; 282 struct wsemuldisplaydev_attach_args aa; 283 prop_dictionary_t dict; 284 unsigned long defattr; 285 bool is_console; 286 int i, j; 287 uint32_t flags; 288 uint8_t cmap[768]; 289 290 sc->sc_pc = pa->pa_pc; 291 sc->sc_pcitag = pa->pa_tag; 292 sc->sc_memt = pa->pa_memt; 293 sc->sc_iot = pa->pa_iot; 294 sc->sc_dev = self; 295 sc->sc_is_pm2 = (PCI_PRODUCT(pa->pa_id) == 296 PCI_PRODUCT_3DLABS_PERMEDIA2); 297 pci_aprint_devinfo(pa, NULL); 298 299 /* 300 * fill in parameters from properties 301 * if we can't get a usable mode via DDC2 we'll use this to pick one, 302 * which is why we fill them in with some conservative values that 303 * hopefully work as a last resort 304 */ 305 dict = device_properties(self); 306 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 307 aprint_error("%s: no width property\n", device_xname(self)); 308 sc->sc_width = 1024; 309 } 310 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 311 aprint_error("%s: no height property\n", device_xname(self)); 312 sc->sc_height = 768; 313 } 314 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 315 aprint_error("%s: no depth property\n", device_xname(self)); 316 sc->sc_depth = 8; 317 } 318 319 /* 320 * don't look at the linebytes property - The Raptor firmware lies 321 * about it. Get it from width * depth >> 3 instead. 322 */ 323 324 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 325 326 prop_dictionary_get_bool(dict, "is_console", &is_console); 327 328 pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14, PCI_MAPREG_TYPE_MEM, 329 &sc->sc_fb, &sc->sc_fbsize, &flags); 330 331 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0, 332 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 333 aprint_error("%s: failed to map registers.\n", 334 device_xname(sc->sc_dev)); 335 } 336 337 /* 338 * XXX yeah, casting the fb address to uint32_t is formally wrong 339 * but as far as I know there are no PM2 with 64bit BARs 340 */ 341 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 342 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 343 344 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 345 "default", 346 0, 0, 347 NULL, 348 8, 16, 349 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 350 NULL 351 }; 352 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 353 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 354 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 355 sc->sc_locked = 0; 356 357 pm2_setup_i2c(sc); 358 359 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 360 &pm2fb_accessops); 361 sc->vd.init_screen = pm2fb_init_screen; 362 363 /* init engine here */ 364 pm2fb_init(sc); 365 366 ri = &sc->sc_console_screen.scr_ri; 367 368 sc->sc_gc.gc_bitblt = pm2fb_bitblt; 369 sc->sc_gc.gc_rectfill = pm2fb_rectfill_a; 370 sc->sc_gc.gc_blitcookie = sc; 371 sc->sc_gc.gc_rop = 3; 372 373 #ifdef PM2FB_DEBUG 374 /* 375 * leave some room at the bottom of the screen for various blitter 376 * tests and in order to make the glyph cache visible 377 */ 378 sc->sc_height -= 200; 379 #endif 380 381 if (is_console) { 382 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 383 &defattr); 384 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 385 386 pm2fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 387 ri->ri_devcmap[(defattr >> 16) & 0xff]); 388 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 389 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 390 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 391 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 392 393 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 394 min(2047, (sc->sc_fbsize / sc->sc_stride)) 395 - sc->sc_height - 5, 396 sc->sc_width, 397 ri->ri_font->fontwidth, 398 ri->ri_font->fontheight, 399 defattr); 400 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 401 defattr); 402 vcons_replay_msgbuf(&sc->sc_console_screen); 403 } else { 404 if (sc->sc_console_screen.scr_ri.ri_rows == 0) { 405 /* do some minimal setup to avoid weirdnesses later */ 406 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 407 &defattr); 408 } else 409 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 410 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 411 min(2047, (sc->sc_fbsize / sc->sc_stride)) 412 - sc->sc_height - 5, 413 sc->sc_width, 414 ri->ri_font->fontwidth, 415 ri->ri_font->fontheight, 416 defattr); 417 } 418 419 j = 0; 420 rasops_get_cmap(ri, cmap, sizeof(cmap)); 421 for (i = 0; i < 256; i++) { 422 sc->sc_cmap_red[i] = cmap[j]; 423 sc->sc_cmap_green[i] = cmap[j + 1]; 424 sc->sc_cmap_blue[i] = cmap[j + 2]; 425 pm2fb_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); 426 j += 3; 427 } 428 429 aa.console = is_console; 430 aa.scrdata = &sc->sc_screenlist; 431 aa.accessops = &pm2fb_accessops; 432 aa.accesscookie = &sc->vd; 433 434 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 435 436 #ifdef PM2FB_DEBUG 437 /* 438 * draw a pattern to check if pm2fb_bitblt() gets the alignment stuff 439 * right 440 */ 441 pm2fb_rectfill(sc, 0, sc->sc_height, sc->sc_width, 200, 0xffffffff); 442 pm2fb_rectfill(sc, 0, sc->sc_height, 300, 10, 0); 443 pm2fb_rectfill(sc, 10, sc->sc_height, 200, 10, 0xe0e0e0e0); 444 for (i = 1; i < 20; i++) { 445 pm2fb_bitblt(sc, 0, sc->sc_height, 446 i, sc->sc_height + 10 * i, 447 300, 10, 3); 448 pm2fb_bitblt(sc, i, sc->sc_height, 449 400, sc->sc_height + 10 * i, 450 300, 10, 3); 451 } 452 #endif 453 } 454 455 static int 456 pm2fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 457 struct lwp *l) 458 { 459 struct vcons_data *vd = v; 460 struct pm2fb_softc *sc = vd->cookie; 461 struct wsdisplay_fbinfo *wdf; 462 struct vcons_screen *ms = vd->active; 463 464 switch (cmd) { 465 case WSDISPLAYIO_GTYPE: 466 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 467 return 0; 468 469 /* PCI config read/write passthrough. */ 470 case PCI_IOC_CFGREAD: 471 case PCI_IOC_CFGWRITE: 472 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 473 cmd, data, flag, l); 474 475 case WSDISPLAYIO_GET_BUSID: 476 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, 477 sc->sc_pcitag, data); 478 479 case WSDISPLAYIO_GINFO: 480 if (ms == NULL) 481 return ENODEV; 482 wdf = (void *)data; 483 wdf->height = ms->scr_ri.ri_height; 484 wdf->width = ms->scr_ri.ri_width; 485 wdf->depth = ms->scr_ri.ri_depth; 486 wdf->cmsize = 256; 487 return 0; 488 489 case WSDISPLAYIO_GETCMAP: 490 return pm2fb_getcmap(sc, 491 (struct wsdisplay_cmap *)data); 492 493 case WSDISPLAYIO_PUTCMAP: 494 return pm2fb_putcmap(sc, 495 (struct wsdisplay_cmap *)data); 496 497 case WSDISPLAYIO_LINEBYTES: 498 *(u_int *)data = sc->sc_stride; 499 return 0; 500 501 case WSDISPLAYIO_SMODE: { 502 int new_mode = *(int*)data; 503 if (new_mode != sc->sc_mode) { 504 sc->sc_mode = new_mode; 505 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 506 /* first set the video mode */ 507 if (sc->sc_videomode != NULL) { 508 pm2fb_set_mode(sc, sc->sc_videomode); 509 } 510 /* then initialize the drawing engine */ 511 pm2fb_init(sc); 512 pm2fb_restore_palette(sc); 513 /* clean out the glyph cache */ 514 glyphcache_wipe(&sc->sc_gc); 515 /* and redraw everything */ 516 vcons_redraw_screen(ms); 517 } else 518 pm2fb_flush_engine(sc); 519 } 520 } 521 return 0; 522 case WSDISPLAYIO_GET_EDID: { 523 struct wsdisplayio_edid_info *d = data; 524 d->data_size = 128; 525 if (d->buffer_size < 128) 526 return EAGAIN; 527 return copyout(sc->sc_edid_data, d->edid_data, 128); 528 } 529 } 530 return EPASSTHROUGH; 531 } 532 533 static paddr_t 534 pm2fb_mmap(void *v, void *vs, off_t offset, int prot) 535 { 536 struct vcons_data *vd = v; 537 struct pm2fb_softc *sc = vd->cookie; 538 paddr_t pa; 539 540 /* 'regular' framebuffer mmap()ing */ 541 if (offset < sc->sc_fbsize) { 542 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 543 BUS_SPACE_MAP_LINEAR); 544 return pa; 545 } 546 547 /* 548 * restrict all other mappings to processes with superuser privileges 549 * or the kernel itself 550 */ 551 if (kauth_authorize_machdep(kauth_cred_get(), 552 KAUTH_MACHDEP_UNMANAGEDMEM, 553 NULL, NULL, NULL, NULL) != 0) { 554 aprint_normal("%s: mmap() rejected.\n", 555 device_xname(sc->sc_dev)); 556 return -1; 557 } 558 559 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 560 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 561 BUS_SPACE_MAP_LINEAR); 562 return pa; 563 } 564 565 if ((offset >= sc->sc_reg) && 566 (offset < (sc->sc_reg + sc->sc_regsize))) { 567 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 568 BUS_SPACE_MAP_LINEAR); 569 return pa; 570 } 571 572 #ifdef PCI_MAGIC_IO_RANGE 573 /* allow mapping of IO space */ 574 if ((offset >= PCI_MAGIC_IO_RANGE) && 575 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 576 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 577 0, prot, BUS_SPACE_MAP_LINEAR); 578 return pa; 579 } 580 #endif 581 582 return -1; 583 } 584 585 static void 586 pm2fb_init_screen(void *cookie, struct vcons_screen *scr, 587 int existing, long *defattr) 588 { 589 struct pm2fb_softc *sc = cookie; 590 struct rasops_info *ri = &scr->scr_ri; 591 592 ri->ri_depth = sc->sc_depth; 593 ri->ri_width = sc->sc_width; 594 ri->ri_height = sc->sc_height; 595 ri->ri_stride = sc->sc_stride; 596 ri->ri_flg = RI_CENTER; 597 if (sc->sc_depth == 8) 598 ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA; 599 600 rasops_init(ri, 0, 0); 601 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE; 602 603 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 604 sc->sc_width / ri->ri_font->fontwidth); 605 606 ri->ri_hw = scr; 607 ri->ri_ops.copyrows = pm2fb_copyrows; 608 ri->ri_ops.copycols = pm2fb_copycols; 609 ri->ri_ops.cursor = pm2fb_cursor; 610 ri->ri_ops.eraserows = pm2fb_eraserows; 611 ri->ri_ops.erasecols = pm2fb_erasecols; 612 if (FONT_IS_ALPHA(ri->ri_font)) { 613 ri->ri_ops.putchar = pm2fb_putchar_aa; 614 } else 615 ri->ri_ops.putchar = pm2fb_putchar; 616 } 617 618 static int 619 pm2fb_putcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 620 { 621 u_char *r, *g, *b; 622 u_int index = cm->index; 623 u_int count = cm->count; 624 int i, error; 625 u_char rbuf[256], gbuf[256], bbuf[256]; 626 627 #ifdef PM2FB_DEBUG 628 aprint_debug("putcmap: %d %d\n",index, count); 629 #endif 630 if (cm->index >= 256 || cm->count > 256 || 631 (cm->index + cm->count) > 256) 632 return EINVAL; 633 error = copyin(cm->red, &rbuf[index], count); 634 if (error) 635 return error; 636 error = copyin(cm->green, &gbuf[index], count); 637 if (error) 638 return error; 639 error = copyin(cm->blue, &bbuf[index], count); 640 if (error) 641 return error; 642 643 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 644 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 645 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 646 647 r = &sc->sc_cmap_red[index]; 648 g = &sc->sc_cmap_green[index]; 649 b = &sc->sc_cmap_blue[index]; 650 651 for (i = 0; i < count; i++) { 652 pm2fb_putpalreg(sc, index, *r, *g, *b); 653 index++; 654 r++, g++, b++; 655 } 656 return 0; 657 } 658 659 static int 660 pm2fb_getcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 661 { 662 u_int index = cm->index; 663 u_int count = cm->count; 664 int error; 665 666 if (index >= 255 || count > 256 || index + count > 256) 667 return EINVAL; 668 669 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 670 if (error) 671 return error; 672 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 673 if (error) 674 return error; 675 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 676 if (error) 677 return error; 678 679 return 0; 680 } 681 682 static void 683 pm2fb_restore_palette(struct pm2fb_softc *sc) 684 { 685 int i; 686 687 for (i = 0; i < (1 << sc->sc_depth); i++) { 688 pm2fb_putpalreg(sc, i, sc->sc_cmap_red[i], 689 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 690 } 691 } 692 693 static int 694 pm2fb_putpalreg(struct pm2fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 695 uint8_t b) 696 { 697 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, idx); 698 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, r); 699 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, g); 700 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, b); 701 return 0; 702 } 703 704 static uint8_t 705 pm2fb_read_dac(struct pm2fb_softc *sc, int reg) 706 { 707 if (sc->sc_is_pm2) { 708 bus_space_write_1(sc->sc_memt, sc->sc_regh, 709 PM2_DAC_PAL_WRITE_IDX, reg); 710 return bus_space_read_1(sc->sc_memt, sc->sc_regh, 711 PM2_DAC_INDEX_DATA); 712 } else { 713 bus_space_write_1(sc->sc_memt, sc->sc_regh, 714 PM2V_DAC_INDEX_LOW, reg & 0xff); 715 bus_space_write_1(sc->sc_memt, sc->sc_regh, 716 PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); 717 return bus_space_read_1(sc->sc_memt, sc->sc_regh, 718 PM2V_DAC_INDEX_DATA); 719 } 720 } 721 722 static void 723 pm2fb_write_dac(struct pm2fb_softc *sc, int reg, uint8_t data) 724 { 725 pm2fb_wait(sc, 3); 726 if (sc->sc_is_pm2) { 727 bus_space_write_1(sc->sc_memt, sc->sc_regh, 728 PM2_DAC_PAL_WRITE_IDX, reg); 729 bus_space_write_1(sc->sc_memt, sc->sc_regh, 730 PM2_DAC_INDEX_DATA, data); 731 } else { 732 bus_space_write_1(sc->sc_memt, sc->sc_regh, 733 PM2V_DAC_INDEX_LOW, reg & 0xff); 734 bus_space_write_1(sc->sc_memt, sc->sc_regh, 735 PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); 736 bus_space_write_1(sc->sc_memt, sc->sc_regh, 737 PM2V_DAC_INDEX_DATA, data); 738 } 739 } 740 741 static void 742 pm2fb_init(struct pm2fb_softc *sc) 743 { 744 pm2fb_flush_engine(sc); 745 746 pm2fb_wait(sc, 8); 747 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_BASE, 0); 748 #if 0 749 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_BYPASS_MASK, 750 0xffffffff); 751 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_WRITE_MASK, 752 0xffffffff); 753 #endif 754 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HW_WRITEMASK, 755 0xffffffff); 756 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SW_WRITEMASK, 757 0xffffffff); 758 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WRITE_MODE, 759 PM2WM_WRITE_EN); 760 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 761 (sc->sc_height << 16) | sc->sc_width); 762 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MODE, 763 PM2SC_SCREEN_EN); 764 pm2fb_wait(sc, 8); 765 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); 766 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); 767 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 768 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_COLOUR_MODE, 0); 769 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_ADDRESS_MODE, 0); 770 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_READ_MODE, 0); 771 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_LUT_MODE, 0); 772 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_YUV_MODE, 0); 773 pm2fb_wait(sc, 8); 774 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH_MODE, 0); 775 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH, 0); 776 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STENCIL_MODE, 0); 777 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STIPPLE_MODE, 0); 778 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ROP_MODE, 0); 779 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WINDOW_ORIGIN, 0); 780 #if 0 781 sc->sc_pprod = bus_space_read_4(sc->sc_memt, sc->sc_regh, 782 PM2_FB_READMODE) & 783 (PM2FB_PP0_MASK | PM2FB_PP1_MASK | PM2FB_PP2_MASK); 784 #endif 785 sc->sc_pprod = partprodPermedia[sc->sc_stride >> 5]; 786 787 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE, 788 sc->sc_pprod); 789 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEXMAP_FORMAT, 790 sc->sc_pprod); 791 pm2fb_wait(sc, 9); 792 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DY, 1 << 16); 793 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DXDOM, 0); 794 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXDOM, 0); 795 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXSUB, 0); 796 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTY, 0); 797 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COUNT, 0); 798 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MINYX, 0); 799 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MAXYX, 800 0x0fff0fff); 801 /* 802 * another scissor we need to disable in order to blit into off-screen 803 * memory 804 */ 805 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 806 0x0fff0fff); 807 808 switch(sc->sc_depth) { 809 case 8: 810 bus_space_write_4(sc->sc_memt, sc->sc_regh, 811 PM2_RE_PIXEL_SIZE, PM2PS_8BIT); 812 break; 813 case 16: 814 bus_space_write_4(sc->sc_memt, sc->sc_regh, 815 PM2_RE_PIXEL_SIZE, PM2PS_16BIT); 816 break; 817 case 32: 818 bus_space_write_4(sc->sc_memt, sc->sc_regh, 819 PM2_RE_PIXEL_SIZE, PM2PS_32BIT); 820 break; 821 } 822 pm2fb_flush_engine(sc); 823 DPRINTF("pixel size: %08x\n", 824 bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_RE_PIXEL_SIZE)); 825 } 826 827 static void 828 pm2fb_rectfill(struct pm2fb_softc *sc, int x, int y, int wi, int he, 829 uint32_t colour) 830 { 831 832 pm2fb_wait(sc, 7); 833 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 834 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 835 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 836 PM2RECFG_WRITE_EN); 837 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, 838 colour); 839 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 840 (y << 16) | x); 841 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 842 (he << 16) | wi); 843 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 844 PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 845 } 846 847 static void 848 pm2fb_rectfill_a(void *cookie, int x, int y, int wi, int he, long attr) 849 { 850 struct pm2fb_softc *sc = cookie; 851 852 pm2fb_rectfill(sc, x, y, wi, he, 853 sc->vd.active->scr_ri.ri_devcmap[(attr >> 24 & 0xf)]); 854 } 855 856 static void 857 pm2fb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 858 int wi, int he, int rop) 859 { 860 struct pm2fb_softc *sc = cookie; 861 uint32_t dir = 0; 862 int rxs, rxd, rwi, rxdelta; 863 864 if (yd <= ys) { 865 dir |= PM2RE_INC_Y; 866 } 867 if (xd <= xs) { 868 dir |= PM2RE_INC_X; 869 } 870 pm2fb_wait(sc, 8); 871 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 872 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 873 if (sc->sc_depth == 8) { 874 int adjust; 875 /* 876 * use packed mode for some extra speed 877 * this copies 32bit quantities even in 8 bit mode, so we need 878 * to adjust for cases where the lower two bits in source and 879 * destination X don't align, and/or where the width isn't a 880 * multiple of 4 881 */ 882 if (rop == 3) { 883 bus_space_write_4(sc->sc_memt, sc->sc_regh, 884 PM2_RE_CONFIG, 885 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | 886 PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); 887 } else { 888 bus_space_write_4(sc->sc_memt, sc->sc_regh, 889 PM2_RE_CONFIG, 890 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | 891 PM2RECFG_WRITE_EN | PM2RECFG_PACKED | 892 PM2RECFG_ROP_EN | (rop << 6)); 893 } 894 rxs = xs >> 2; 895 rxd = xd >> 2; 896 rwi = (wi + 7) >> 2; 897 rxdelta = (xs & 0xffc) - (xd & 0xffc); 898 /* adjust for non-aligned x */ 899 adjust = ((xd & 3) - (xs & 3)); 900 bus_space_write_4(sc->sc_memt, sc->sc_regh, 901 PM2_RE_PACKEDDATA_LIMIT, 902 (xd << 16) | (xd + wi) | (adjust << 29)); 903 904 } else { 905 /* we're in 16 or 32bit mode */ 906 if (rop == 3) { 907 bus_space_write_4(sc->sc_memt, sc->sc_regh, 908 PM2_RE_CONFIG, 909 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | 910 PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); 911 } else { 912 bus_space_write_4(sc->sc_memt, sc->sc_regh, 913 PM2_RE_CONFIG, 914 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | 915 PM2RECFG_WRITE_EN | PM2RECFG_PACKED | 916 PM2RECFG_ROP_EN | (rop << 6)); 917 } 918 rxs = xs; 919 rxd = xd; 920 rwi = wi; 921 rxdelta = xs - xd; 922 } 923 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 924 (yd << 16) | rxd); 925 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 926 (he << 16) | rwi); 927 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SOURCE_DELTA, 928 (((ys - yd) & 0xfff) << 16) | (rxdelta & 0xfff)); 929 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 930 PM2RE_RECTANGLE | dir); 931 } 932 933 static void 934 pm2fb_cursor(void *cookie, int on, int row, int col) 935 { 936 struct rasops_info *ri = cookie; 937 struct vcons_screen *scr = ri->ri_hw; 938 struct pm2fb_softc *sc = scr->scr_cookie; 939 int x, y, wi, he; 940 941 wi = ri->ri_font->fontwidth; 942 he = ri->ri_font->fontheight; 943 944 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 945 x = ri->ri_ccol * wi + ri->ri_xorigin; 946 y = ri->ri_crow * he + ri->ri_yorigin; 947 if (ri->ri_flg & RI_CURSOR) { 948 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 949 ri->ri_flg &= ~RI_CURSOR; 950 } 951 ri->ri_crow = row; 952 ri->ri_ccol = col; 953 if (on) { 954 x = ri->ri_ccol * wi + ri->ri_xorigin; 955 y = ri->ri_crow * he + ri->ri_yorigin; 956 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 957 ri->ri_flg |= RI_CURSOR; 958 } 959 } else { 960 scr->scr_ri.ri_crow = row; 961 scr->scr_ri.ri_ccol = col; 962 scr->scr_ri.ri_flg &= ~RI_CURSOR; 963 } 964 965 } 966 967 static void 968 pm2fb_putchar(void *cookie, int row, int col, u_int c, long attr) 969 { 970 struct rasops_info *ri = cookie; 971 struct wsdisplay_font *font = PICK_FONT(ri, c); 972 struct vcons_screen *scr = ri->ri_hw; 973 struct pm2fb_softc *sc = scr->scr_cookie; 974 uint32_t mode; 975 976 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 977 void *data; 978 uint32_t fg, bg; 979 int uc, i; 980 int x, y, wi, he; 981 982 wi = font->fontwidth; 983 he = font->fontheight; 984 985 if (!CHAR_IN_FONT(c, font)) 986 return; 987 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 988 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 989 x = ri->ri_xorigin + col * wi; 990 y = ri->ri_yorigin + row * he; 991 if (c == 0x20) { 992 pm2fb_rectfill(sc, x, y, wi, he, bg); 993 } else { 994 uc = c - font->firstchar; 995 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 996 997 mode = PM2RM_MASK_MIRROR; 998 switch (ri->ri_font->stride) { 999 case 1: 1000 mode |= 3 << 7; 1001 break; 1002 case 2: 1003 mode |= 2 << 7; 1004 break; 1005 } 1006 1007 pm2fb_wait(sc, 8); 1008 1009 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1010 PM2_RE_MODE, mode); 1011 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1012 PM2_RE_CONFIG, PM2RECFG_WRITE_EN); 1013 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1014 PM2_RE_BLOCK_COLOUR, bg); 1015 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1016 PM2_RE_RECT_START, (y << 16) | x); 1017 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1018 PM2_RE_RECT_SIZE, (he << 16) | wi); 1019 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1020 PM2_RE_RENDER, 1021 PM2RE_RECTANGLE | 1022 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 1023 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1024 PM2_RE_BLOCK_COLOUR, fg); 1025 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1026 PM2_RE_RENDER, 1027 PM2RE_RECTANGLE | PM2RE_SYNC_ON_MASK | 1028 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 1029 1030 pm2fb_wait(sc, he); 1031 switch (ri->ri_font->stride) { 1032 case 1: { 1033 uint8_t *data8 = data; 1034 uint32_t reg; 1035 for (i = 0; i < he; i++) { 1036 reg = *data8; 1037 bus_space_write_4(sc->sc_memt, 1038 sc->sc_regh, 1039 PM2_RE_BITMASK, reg); 1040 data8++; 1041 } 1042 break; 1043 } 1044 case 2: { 1045 uint16_t *data16 = data; 1046 uint32_t reg; 1047 for (i = 0; i < he; i++) { 1048 reg = *data16; 1049 bus_space_write_4(sc->sc_memt, 1050 sc->sc_regh, 1051 PM2_RE_BITMASK, reg); 1052 data16++; 1053 } 1054 break; 1055 } 1056 } 1057 } 1058 if (attr & 1) 1059 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1060 } 1061 } 1062 1063 static void 1064 pm2fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1065 { 1066 struct rasops_info *ri = cookie; 1067 struct wsdisplay_font *font = PICK_FONT(ri, c); 1068 struct vcons_screen *scr = ri->ri_hw; 1069 struct pm2fb_softc *sc = scr->scr_cookie; 1070 uint32_t bg, fg, /*latch = 0,*/ bg8, fg8, pixel; 1071 int i, x, y, wi, he, r, g, b, aval; 1072 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1073 uint8_t *data8; 1074 int rv = GC_NOPE, cnt = 0; 1075 1076 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1077 return; 1078 1079 if (!CHAR_IN_FONT(c, font)) 1080 return; 1081 1082 wi = font->fontwidth; 1083 he = font->fontheight; 1084 1085 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1086 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1087 x = ri->ri_xorigin + col * wi; 1088 y = ri->ri_yorigin + row * he; 1089 if (c == 0x20) { 1090 pm2fb_rectfill(sc, x, y, wi, he, bg); 1091 if (attr & 1) 1092 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1093 return; 1094 } 1095 1096 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1097 if (rv == GC_OK) 1098 return; 1099 1100 data8 = WSFONT_GLYPH(c, font); 1101 1102 pm2fb_wait(sc, 5); 1103 #if 0 1104 /* 1105 * TODO: 1106 * - use packed mode here as well, instead of writing each pixel separately 1107 * - see if we can trick the chip into doing the alpha blending for us 1108 */ 1109 x = x >> 2; 1110 wi = (wi + 3) >> 2; 1111 #endif 1112 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 1113 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 1114 PM2RECFG_WRITE_EN /*| PM2RECFG_PACKED*/); 1115 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1116 PM2_RE_RECT_START, (y << 16) | x); 1117 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1118 PM2_RE_RECT_SIZE, (he << 16) | wi); 1119 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1120 PM2_RE_RENDER, 1121 PM2RE_RECTANGLE | PM2RE_SYNC_ON_HOST | 1122 PM2RE_INC_X | PM2RE_INC_Y); 1123 /* 1124 * we need the RGB colours here, so get offsets into rasops_cmap 1125 */ 1126 fgo = ((attr >> 24) & 0xf) * 3; 1127 bgo = ((attr >> 16) & 0xf) * 3; 1128 1129 r0 = rasops_cmap[bgo]; 1130 r1 = rasops_cmap[fgo]; 1131 g0 = rasops_cmap[bgo + 1]; 1132 g1 = rasops_cmap[fgo + 1]; 1133 b0 = rasops_cmap[bgo + 2]; 1134 b1 = rasops_cmap[fgo + 2]; 1135 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1136 bg8 = R3G3B2(r0, g0, b0); 1137 fg8 = R3G3B2(r1, g1, b1); 1138 1139 pm2fb_wait(sc, 200); 1140 1141 for (i = 0; i < ri->ri_fontscale; i++) { 1142 aval = *data8; 1143 if (aval == 0) { 1144 pixel = bg8; 1145 } else if (aval == 255) { 1146 pixel = fg8; 1147 } else { 1148 r = aval * r1 + (255 - aval) * r0; 1149 g = aval * g1 + (255 - aval) * g0; 1150 b = aval * b1 + (255 - aval) * b0; 1151 pixel = ((r & 0xe000) >> 8) | 1152 ((g & 0xe000) >> 11) | 1153 ((b & 0xc000) >> 14); 1154 } 1155 #if 0 1156 latch = (latch << 8) | pixel; 1157 /* write in 32bit chunks */ 1158 if ((i & 3) == 3) { 1159 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1160 PM2_RE_DATA, latch); 1161 /* 1162 * not strictly necessary, old data should be shifted 1163 * out 1164 */ 1165 latch = 0; 1166 cnt++; 1167 if (cnt > 190) { 1168 pm2fb_wait(sc, 200); 1169 cnt = 0; 1170 } 1171 } 1172 #else 1173 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1174 PM2_RE_COLOUR, pixel); 1175 1176 if (cnt > 190) { 1177 pm2fb_wait(sc, 200); 1178 cnt = 0; 1179 } 1180 #endif 1181 data8++; 1182 } 1183 #if 0 1184 /* if we have pixels left in latch write them out */ 1185 if ((i & 3) != 0) { 1186 latch = latch << ((4 - (i & 3)) << 3); 1187 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1188 PM2_RE_DATA, latch); 1189 } 1190 #endif 1191 /* 1192 * XXX 1193 * occasionally characters end up in the cache only partially drawn 1194 * apparently the blitter might end up grabbing them before they're 1195 * completely flushed out into video memory 1196 * so we let the pipeline drain a little bit before continuing 1197 */ 1198 pm2fb_wait(sc, 20); 1199 1200 if (rv == GC_ADD) { 1201 glyphcache_add(&sc->sc_gc, c, x, y); 1202 } else if (attr & 1) 1203 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1204 } 1205 1206 static void 1207 pm2fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1208 { 1209 struct rasops_info *ri = cookie; 1210 struct vcons_screen *scr = ri->ri_hw; 1211 struct pm2fb_softc *sc = scr->scr_cookie; 1212 int32_t xs, xd, y, width, height; 1213 1214 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1215 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1216 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1217 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1218 width = ri->ri_font->fontwidth * ncols; 1219 height = ri->ri_font->fontheight; 1220 pm2fb_bitblt(sc, xs, y, xd, y, width, height, 3); 1221 } 1222 } 1223 1224 static void 1225 pm2fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1226 { 1227 struct rasops_info *ri = cookie; 1228 struct vcons_screen *scr = ri->ri_hw; 1229 struct pm2fb_softc *sc = scr->scr_cookie; 1230 int32_t x, y, width, height, fg, bg, ul; 1231 1232 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1233 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1234 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1235 width = ri->ri_font->fontwidth * ncols; 1236 height = ri->ri_font->fontheight; 1237 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1238 1239 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1240 } 1241 } 1242 1243 static void 1244 pm2fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1245 { 1246 struct rasops_info *ri = cookie; 1247 struct vcons_screen *scr = ri->ri_hw; 1248 struct pm2fb_softc *sc = scr->scr_cookie; 1249 int32_t x, ys, yd, width, height; 1250 1251 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1252 x = ri->ri_xorigin; 1253 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1254 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1255 width = ri->ri_emuwidth; 1256 height = ri->ri_font->fontheight*nrows; 1257 pm2fb_bitblt(sc, x, ys, x, yd, width, height, 3); 1258 } 1259 } 1260 1261 static void 1262 pm2fb_eraserows(void *cookie, int row, int nrows, long fillattr) 1263 { 1264 struct rasops_info *ri = cookie; 1265 struct vcons_screen *scr = ri->ri_hw; 1266 struct pm2fb_softc *sc = scr->scr_cookie; 1267 int32_t x, y, width, height, fg, bg, ul; 1268 1269 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1270 x = ri->ri_xorigin; 1271 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1272 width = ri->ri_emuwidth; 1273 height = ri->ri_font->fontheight * nrows; 1274 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1275 1276 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1277 } 1278 } 1279 1280 /* 1281 * Permedia2 can't blit outside of 2048x2048, so reject anything higher 1282 * max. dot clock is probably too high 1283 */ 1284 1285 #define MODE_IS_VALID(m) (((m)->hdisplay < 2048) && \ 1286 ((m)->dot_clock < 230000)) 1287 1288 static void 1289 pm2_setup_i2c(struct pm2fb_softc *sc) 1290 { 1291 int i; 1292 #ifdef PM2FB_DEBUG 1293 int j; 1294 #endif 1295 1296 /* Fill in the i2c tag */ 1297 sc->sc_i2c.ic_cookie = sc; 1298 sc->sc_i2c.ic_acquire_bus = pm2fb_i2c_acquire_bus; 1299 sc->sc_i2c.ic_release_bus = pm2fb_i2c_release_bus; 1300 sc->sc_i2c.ic_send_start = pm2fb_i2c_send_start; 1301 sc->sc_i2c.ic_send_stop = pm2fb_i2c_send_stop; 1302 sc->sc_i2c.ic_initiate_xfer = pm2fb_i2c_initiate_xfer; 1303 sc->sc_i2c.ic_read_byte = pm2fb_i2c_read_byte; 1304 sc->sc_i2c.ic_write_byte = pm2fb_i2c_write_byte; 1305 sc->sc_i2c.ic_exec = NULL; 1306 1307 DPRINTF("data: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, 1308 PM2_DISPLAY_DATA)); 1309 1310 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, 0); 1311 1312 /* zero out the EDID buffer */ 1313 memset(sc->sc_edid_data, 0, 128); 1314 1315 /* Some monitors don't respond first time */ 1316 i = 0; 1317 while (sc->sc_edid_data[1] == 0 && i < 10) { 1318 ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); 1319 i++; 1320 } 1321 #ifdef PM2FB_DEBUG 1322 printf("i = %d\n", i); 1323 for (i = 0; i < 128; i += 16) { 1324 printf("%02x:", i); 1325 for (j = 0; j < 16; j++) 1326 printf(" %02x", sc->sc_edid_data[i + j]); 1327 printf("\n"); 1328 } 1329 #endif 1330 1331 if (edid_parse(&sc->sc_edid_data[0], &sc->sc_ei) != -1) { 1332 #ifdef PM2FB_DEBUG 1333 edid_print(&sc->sc_ei); 1334 #endif 1335 1336 /* 1337 * Now pick a mode. 1338 */ 1339 if ((sc->sc_ei.edid_preferred_mode != NULL)) { 1340 struct videomode *m = sc->sc_ei.edid_preferred_mode; 1341 if (MODE_IS_VALID(m)) { 1342 sc->sc_videomode = m; 1343 } else { 1344 aprint_error_dev(sc->sc_dev, 1345 "unable to use preferred mode\n"); 1346 } 1347 } 1348 /* 1349 * if we can't use the preferred mode go look for the 1350 * best one we can support 1351 */ 1352 if (sc->sc_videomode == NULL) { 1353 struct videomode *m = sc->sc_ei.edid_modes; 1354 1355 sort_modes(sc->sc_ei.edid_modes, 1356 &sc->sc_ei.edid_preferred_mode, 1357 sc->sc_ei.edid_nmodes); 1358 if (sc->sc_videomode == NULL) 1359 for (int n = 0; n < sc->sc_ei.edid_nmodes; n++) 1360 if (MODE_IS_VALID(&m[n])) { 1361 sc->sc_videomode = &m[n]; 1362 break; 1363 } 1364 } 1365 } 1366 if (sc->sc_videomode == NULL) { 1367 /* no EDID data? */ 1368 sc->sc_videomode = pick_mode_by_ref(sc->sc_width, 1369 sc->sc_height, 60); 1370 } 1371 if (sc->sc_videomode != NULL) { 1372 pm2fb_set_mode(sc, sc->sc_videomode); 1373 } 1374 } 1375 1376 /* I2C bitbanging */ 1377 static void pm2fb_i2cbb_set_bits(void *cookie, uint32_t bits) 1378 { 1379 struct pm2fb_softc *sc = cookie; 1380 uint32_t out; 1381 1382 out = bits << 2; /* bitmasks match the IN bits */ 1383 1384 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, out); 1385 delay(100); 1386 } 1387 1388 static void pm2fb_i2cbb_set_dir(void *cookie, uint32_t dir) 1389 { 1390 /* Nothing to do */ 1391 } 1392 1393 static uint32_t pm2fb_i2cbb_read(void *cookie) 1394 { 1395 struct pm2fb_softc *sc = cookie; 1396 uint32_t bits; 1397 1398 bits = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA); 1399 return bits; 1400 } 1401 1402 /* higher level I2C stuff */ 1403 static int 1404 pm2fb_i2c_acquire_bus(void *cookie, int flags) 1405 { 1406 /* private bus */ 1407 return (0); 1408 } 1409 1410 static void 1411 pm2fb_i2c_release_bus(void *cookie, int flags) 1412 { 1413 /* private bus */ 1414 } 1415 1416 static int 1417 pm2fb_i2c_send_start(void *cookie, int flags) 1418 { 1419 return (i2c_bitbang_send_start(cookie, flags, &pm2fb_i2cbb_ops)); 1420 } 1421 1422 static int 1423 pm2fb_i2c_send_stop(void *cookie, int flags) 1424 { 1425 1426 return (i2c_bitbang_send_stop(cookie, flags, &pm2fb_i2cbb_ops)); 1427 } 1428 1429 static int 1430 pm2fb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) 1431 { 1432 1433 return (i2c_bitbang_initiate_xfer(cookie, addr, flags, 1434 &pm2fb_i2cbb_ops)); 1435 } 1436 1437 static int 1438 pm2fb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) 1439 { 1440 return (i2c_bitbang_read_byte(cookie, valp, flags, &pm2fb_i2cbb_ops)); 1441 } 1442 1443 static int 1444 pm2fb_i2c_write_byte(void *cookie, uint8_t val, int flags) 1445 { 1446 return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); 1447 } 1448 1449 #define RefClk 14318 /* all frequencies are in kHz */ 1450 static int 1451 pm2fb_set_pll(struct pm2fb_softc *sc, int freq) 1452 { 1453 int m, n, p, diff, out_freq, bm, bn, bp, bdiff = 1000000, bfreq; 1454 int fi; 1455 uint8_t temp; 1456 1457 /* 1458 * this should work on PM2V, PM2 needs something slightly different 1459 */ 1460 for (m = 1; m < 128; m++) { 1461 for (n = 2 * m + 1; n < 256; n++) { 1462 fi = RefClk * n / m; 1463 for (p = 0; p < 2; p++) { 1464 out_freq = fi >> (p + 1); 1465 diff = abs(out_freq - freq); 1466 if (diff < bdiff) { 1467 bdiff = diff; 1468 bfreq = out_freq; 1469 bm = m; 1470 bn = n; 1471 bp = p; 1472 } 1473 } 1474 } 1475 } 1476 #if 0 1477 /* 1478 * XXX 1479 * output between switching modes and attaching a wsdisplay will 1480 * go through firmware calls on sparc64 and potentially mess up 1481 * our drawing engine state 1482 */ 1483 DPRINTF("best: %d kHz ( %d off ), %d %d %d\n", bfreq, bdiff, bm, bn, bp); 1484 #endif 1485 temp = pm2fb_read_dac(sc, PM2V_DAC_CLOCK_CONTROL) & 0xfc; 1486 pm2fb_write_dac(sc, PM2V_DAC_CONTROL, 0); 1487 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_M, bm); 1488 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_N, bn); 1489 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_P, bp); 1490 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_CONTROL, temp | 3); 1491 return 0; 1492 } 1493 1494 /* 1495 * most of the following was adapted from the xf86-video-glint driver's 1496 * pm2v_dac.c 1497 */ 1498 static void 1499 pm2fb_set_mode(struct pm2fb_softc *sc, const struct videomode *mode) 1500 { 1501 int t1, t2, t3, t4, stride; 1502 uint32_t vclk; 1503 uint8_t sync = 0; 1504 1505 t1 = mode->hsync_start - mode->hdisplay; 1506 t2 = mode->vsync_start - mode->vdisplay; 1507 t3 = mode->hsync_end - mode->hsync_start; 1508 t4 = mode->vsync_end - mode->vsync_start; 1509 1510 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HTOTAL, 1511 ((mode->htotal) >> 3) - 1); 1512 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_END, 1513 (t1 + t3) >> 3); 1514 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_START, 1515 (t1 >> 3) - 1); 1516 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HBLANK_END, 1517 (mode->htotal - mode->hdisplay) >> 3); 1518 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HGATE_END, 1519 (mode->htotal - mode->hdisplay) >> 3); 1520 1521 /* first round up to the next multiple of 32 */ 1522 stride = (mode->hdisplay + 31) & ~31; 1523 /* then find the next bigger one that we have partial products for */ 1524 while ((partprodPermedia[stride >> 5] == -1) && (stride < 2048)) { 1525 stride += 32; 1526 } 1527 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_STRIDE, 1528 stride >> 3); 1529 1530 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VTOTAL, 1531 mode->vtotal - 1); 1532 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_END, 1533 t2 + t4); 1534 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_START, 1535 t2); 1536 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VBLANK_END, 1537 mode->vtotal - mode->vdisplay); 1538 1539 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VIDEO_CONTROL, 1540 PM2_VC_VIDEO_ENABLE | PM2_VC_RAMDAC_64BIT | 1541 PM2_VC_HSYNC_ACT_HIGH | PM2_VC_VSYNC_ACT_HIGH); 1542 1543 vclk = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL); 1544 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL, 1545 vclk & 0xfffffffc); 1546 1547 pm2fb_set_pll(sc, mode->dot_clock / 2); 1548 pm2fb_write_dac(sc, PM2V_DAC_MISC_CONTROL, PM2V_DAC_8BIT); 1549 1550 if (mode->flags & VID_PHSYNC) 1551 sync |= PM2V_DAC_HSYNC_INV; 1552 if (mode->flags & VID_PVSYNC) 1553 sync |= PM2V_DAC_VSYNC_INV; 1554 pm2fb_write_dac(sc, PM2V_DAC_SYNC_CONTROL, sync); 1555 1556 pm2fb_write_dac(sc, PM2V_DAC_COLOR_FORMAT, PM2V_DAC_PALETTE); 1557 pm2fb_write_dac(sc, PM2V_DAC_PIXEL_SIZE, PM2V_PS_8BIT); 1558 sc->sc_width = mode->hdisplay; 1559 sc->sc_height = mode->vdisplay; 1560 sc->sc_depth = 8; 1561 sc->sc_stride = stride; 1562 aprint_normal_dev(sc->sc_dev, "using %d x %d in 8 bit, stride %d\n", 1563 sc->sc_width, sc->sc_height, stride); 1564 } 1565
Indexes created Tue Sep 30 11:09:46 GMT 2025