pm2fb.c revision 1.20
1 /* $NetBSD: pm2fb.c,v 1.20 2012/10/04 10:35:54 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 1.20 2012/10/04 10:35:54 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 void pm2fb_flush_engine(struct pm2fb_softc *); 132 static void pm2fb_rectfill(struct pm2fb_softc *, int, int, int, int, 133 uint32_t); 134 static void pm2fb_rectfill_a(void *, int, int, int, int, long); 135 static void pm2fb_bitblt(void *, int, int, int, int, int, int, int); 136 137 static void pm2fb_cursor(void *, int, int, int); 138 static void pm2fb_putchar(void *, int, int, u_int, long); 139 static void pm2fb_putchar_aa(void *, int, int, u_int, long); 140 static void pm2fb_copycols(void *, int, int, int, int); 141 static void pm2fb_erasecols(void *, int, int, int, long); 142 static void pm2fb_copyrows(void *, int, int, int); 143 static void pm2fb_eraserows(void *, int, int, long); 144 145 struct wsdisplay_accessops pm2fb_accessops = { 146 pm2fb_ioctl, 147 pm2fb_mmap, 148 NULL, /* alloc_screen */ 149 NULL, /* free_screen */ 150 NULL, /* show_screen */ 151 NULL, /* load_font */ 152 NULL, /* pollc */ 153 NULL /* scroll */ 154 }; 155 156 /* I2C glue */ 157 static int pm2fb_i2c_acquire_bus(void *, int); 158 static void pm2fb_i2c_release_bus(void *, int); 159 static int pm2fb_i2c_send_start(void *, int); 160 static int pm2fb_i2c_send_stop(void *, int); 161 static int pm2fb_i2c_initiate_xfer(void *, i2c_addr_t, int); 162 static int pm2fb_i2c_read_byte(void *, uint8_t *, int); 163 static int pm2fb_i2c_write_byte(void *, uint8_t, int); 164 165 /* I2C bitbang glue */ 166 static void pm2fb_i2cbb_set_bits(void *, uint32_t); 167 static void pm2fb_i2cbb_set_dir(void *, uint32_t); 168 static uint32_t pm2fb_i2cbb_read(void *); 169 170 static void pm2_setup_i2c(struct pm2fb_softc *); 171 172 static const struct i2c_bitbang_ops pm2fb_i2cbb_ops = { 173 pm2fb_i2cbb_set_bits, 174 pm2fb_i2cbb_set_dir, 175 pm2fb_i2cbb_read, 176 { 177 PM2_DD_SDA_IN, 178 PM2_DD_SCL_IN, 179 0, 180 0 181 } 182 }; 183 184 /* mode setting stuff */ 185 static int pm2fb_set_pll(struct pm2fb_softc *, int); 186 static uint8_t pm2fb_read_dac(struct pm2fb_softc *, int); 187 static void pm2fb_write_dac(struct pm2fb_softc *, int, uint8_t); 188 static void pm2fb_set_mode(struct pm2fb_softc *, const struct videomode *); 189 190 /* this table is from xf86-video-glint */ 191 #define PARTPROD(a,b,c) (((a)<<6) | ((b)<<3) | (c)) 192 int partprodPermedia[] = { 193 -1, 194 PARTPROD(0,0,1), PARTPROD(0,1,1), PARTPROD(1,1,1), PARTPROD(1,1,2), 195 PARTPROD(1,2,2), PARTPROD(2,2,2), PARTPROD(1,2,3), PARTPROD(2,2,3), 196 PARTPROD(1,3,3), PARTPROD(2,3,3), PARTPROD(1,2,4), PARTPROD(3,3,3), 197 PARTPROD(1,3,4), PARTPROD(2,3,4), -1, PARTPROD(3,3,4), 198 PARTPROD(1,4,4), PARTPROD(2,4,4), -1, PARTPROD(3,4,4), 199 -1, PARTPROD(2,3,5), -1, PARTPROD(4,4,4), 200 PARTPROD(1,4,5), PARTPROD(2,4,5), PARTPROD(3,4,5), -1, 201 -1, -1, -1, PARTPROD(4,4,5), 202 PARTPROD(1,5,5), PARTPROD(2,5,5), -1, PARTPROD(3,5,5), 203 -1, -1, -1, PARTPROD(4,5,5), 204 -1, -1, -1, PARTPROD(3,4,6), 205 -1, -1, -1, PARTPROD(5,5,5), 206 PARTPROD(1,5,6), PARTPROD(2,5,6), -1, PARTPROD(3,5,6), 207 -1, -1, -1, PARTPROD(4,5,6), 208 -1, -1, -1, -1, 209 -1, -1, -1, PARTPROD(5,5,6), 210 -1, -1, -1, -1, 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 0}; 227 228 static inline void 229 pm2fb_wait(struct pm2fb_softc *sc, int slots) 230 { 231 uint32_t reg; 232 233 do { 234 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 235 PM2_INPUT_FIFO_SPACE); 236 } while (reg <= slots); 237 } 238 239 static void 240 pm2fb_flush_engine(struct pm2fb_softc *sc) 241 { 242 243 pm2fb_wait(sc, 2); 244 245 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_FILTER_MODE, 246 PM2FLT_PASS_SYNC); 247 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SYNC, 0); 248 do { 249 while (bus_space_read_4(sc->sc_memt, sc->sc_regh, 250 PM2_OUTPUT_FIFO_WORDS) == 0); 251 } while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO) != 252 0x188); 253 } 254 255 static int 256 pm2fb_match(device_t parent, cfdata_t match, void *aux) 257 { 258 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 259 260 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) 261 return 0; 262 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3DLABS) 263 return 0; 264 265 /* 266 * only card tested on so far is a TechSource Raptor GFX 8P / 267 * Sun PGX32, which happens to be a Permedia 2v 268 */ 269 if (/*(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2) ||*/ 270 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2V)) 271 return 100; 272 return (0); 273 } 274 275 static void 276 pm2fb_attach(device_t parent, device_t self, void *aux) 277 { 278 struct pm2fb_softc *sc = device_private(self); 279 struct pci_attach_args *pa = aux; 280 struct rasops_info *ri; 281 struct wsemuldisplaydev_attach_args aa; 282 prop_dictionary_t dict; 283 unsigned long defattr; 284 bool is_console; 285 int i, j; 286 uint32_t flags; 287 uint8_t cmap[768]; 288 289 sc->sc_pc = pa->pa_pc; 290 sc->sc_pcitag = pa->pa_tag; 291 sc->sc_memt = pa->pa_memt; 292 sc->sc_iot = pa->pa_iot; 293 sc->sc_dev = self; 294 sc->sc_is_pm2 = (PCI_PRODUCT(pa->pa_id) == 295 PCI_PRODUCT_3DLABS_PERMEDIA2); 296 pci_aprint_devinfo(pa, NULL); 297 298 /* 299 * fill in parameters from properties 300 * if we can't get a usable mode via DDC2 we'll use this to pick one, 301 * which is why we fill them in with some conservative values that 302 * hopefully work as a last resort 303 */ 304 dict = device_properties(self); 305 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 306 aprint_error("%s: no width property\n", device_xname(self)); 307 sc->sc_width = 1024; 308 } 309 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 310 aprint_error("%s: no height property\n", device_xname(self)); 311 sc->sc_height = 768; 312 } 313 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 314 aprint_error("%s: no depth property\n", device_xname(self)); 315 sc->sc_depth = 8; 316 } 317 318 /* 319 * don't look at the linebytes property - The Raptor firmware lies 320 * about it. Get it from width * depth >> 3 instead. 321 */ 322 323 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 324 325 prop_dictionary_get_bool(dict, "is_console", &is_console); 326 327 pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14, PCI_MAPREG_TYPE_MEM, 328 &sc->sc_fb, &sc->sc_fbsize, &flags); 329 330 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0, 331 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 332 aprint_error("%s: failed to map registers.\n", 333 device_xname(sc->sc_dev)); 334 } 335 336 /* 337 * XXX yeah, casting the fb address to uint32_t is formally wrong 338 * but as far as I know there are no PM2 with 64bit BARs 339 */ 340 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 341 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 342 343 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 344 "default", 345 0, 0, 346 NULL, 347 8, 16, 348 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 349 NULL 350 }; 351 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 352 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 353 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 354 sc->sc_locked = 0; 355 356 pm2_setup_i2c(sc); 357 358 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 359 &pm2fb_accessops); 360 sc->vd.init_screen = pm2fb_init_screen; 361 362 /* init engine here */ 363 pm2fb_init(sc); 364 365 ri = &sc->sc_console_screen.scr_ri; 366 367 sc->sc_gc.gc_bitblt = pm2fb_bitblt; 368 sc->sc_gc.gc_rectfill = pm2fb_rectfill_a; 369 sc->sc_gc.gc_blitcookie = sc; 370 sc->sc_gc.gc_rop = 3; 371 372 #ifdef PM2FB_DEBUG 373 /* 374 * leave some room at the bottom of the screen for various blitter 375 * tests and in order to make the glyph cache visible 376 */ 377 sc->sc_height -= 200; 378 #endif 379 380 if (is_console) { 381 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 382 &defattr); 383 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 384 385 pm2fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 386 ri->ri_devcmap[(defattr >> 16) & 0xff]); 387 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 388 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 389 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 390 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 391 392 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 393 min(2047, (sc->sc_fbsize / sc->sc_stride)) 394 - sc->sc_height - 5, 395 sc->sc_width, 396 ri->ri_font->fontwidth, 397 ri->ri_font->fontheight, 398 defattr); 399 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 400 defattr); 401 vcons_replay_msgbuf(&sc->sc_console_screen); 402 } else { 403 if (sc->sc_console_screen.scr_ri.ri_rows == 0) { 404 /* do some minimal setup to avoid weirdnesses later */ 405 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 406 min(2047, (sc->sc_fbsize / sc->sc_stride)) 407 - sc->sc_height - 5, 408 sc->sc_width, 409 ri->ri_font->fontwidth, 410 ri->ri_font->fontheight, 411 defattr); 412 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 413 &defattr); 414 } 415 } 416 417 j = 0; 418 rasops_get_cmap(ri, cmap, sizeof(cmap)); 419 for (i = 0; i < 256; i++) { 420 sc->sc_cmap_red[i] = cmap[j]; 421 sc->sc_cmap_green[i] = cmap[j + 1]; 422 sc->sc_cmap_blue[i] = cmap[j + 2]; 423 pm2fb_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); 424 j += 3; 425 } 426 427 aa.console = is_console; 428 aa.scrdata = &sc->sc_screenlist; 429 aa.accessops = &pm2fb_accessops; 430 aa.accesscookie = &sc->vd; 431 432 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 433 434 #ifdef PM2FB_DEBUG 435 /* 436 * draw a pattern to check if pm2fb_bitblt() gets the alignment stuff 437 * right 438 */ 439 pm2fb_rectfill(sc, 0, sc->sc_height, sc->sc_width, 200, 0xffffffff); 440 pm2fb_rectfill(sc, 0, sc->sc_height, 300, 10, 0); 441 pm2fb_rectfill(sc, 10, sc->sc_height, 200, 10, 0xe0e0e0e0); 442 for (i = 1; i < 20; i++) { 443 pm2fb_bitblt(sc, 0, sc->sc_height, 444 i, sc->sc_height + 10 * i, 445 300, 10, 3); 446 pm2fb_bitblt(sc, i, sc->sc_height, 447 400, sc->sc_height + 10 * i, 448 300, 10, 3); 449 } 450 #endif 451 } 452 453 static int 454 pm2fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 455 struct lwp *l) 456 { 457 struct vcons_data *vd = v; 458 struct pm2fb_softc *sc = vd->cookie; 459 struct wsdisplay_fbinfo *wdf; 460 struct vcons_screen *ms = vd->active; 461 462 switch (cmd) { 463 case WSDISPLAYIO_GTYPE: 464 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 465 return 0; 466 467 /* PCI config read/write passthrough. */ 468 case PCI_IOC_CFGREAD: 469 case PCI_IOC_CFGWRITE: 470 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 471 cmd, data, flag, l); 472 473 case WSDISPLAYIO_GET_BUSID: 474 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, 475 sc->sc_pcitag, data); 476 477 case WSDISPLAYIO_GINFO: 478 if (ms == NULL) 479 return ENODEV; 480 wdf = (void *)data; 481 wdf->height = ms->scr_ri.ri_height; 482 wdf->width = ms->scr_ri.ri_width; 483 wdf->depth = ms->scr_ri.ri_depth; 484 wdf->cmsize = 256; 485 return 0; 486 487 case WSDISPLAYIO_GETCMAP: 488 return pm2fb_getcmap(sc, 489 (struct wsdisplay_cmap *)data); 490 491 case WSDISPLAYIO_PUTCMAP: 492 return pm2fb_putcmap(sc, 493 (struct wsdisplay_cmap *)data); 494 495 case WSDISPLAYIO_LINEBYTES: 496 *(u_int *)data = sc->sc_stride; 497 return 0; 498 499 case WSDISPLAYIO_SMODE: { 500 int new_mode = *(int*)data; 501 if (new_mode != sc->sc_mode) { 502 sc->sc_mode = new_mode; 503 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 504 pm2fb_init(sc); 505 pm2fb_restore_palette(sc); 506 glyphcache_wipe(&sc->sc_gc); 507 vcons_redraw_screen(ms); 508 } else 509 pm2fb_flush_engine(sc); 510 } 511 } 512 return 0; 513 case WSDISPLAYIO_GET_EDID: { 514 struct wsdisplayio_edid_info *d = data; 515 d->data_size = 128; 516 if (d->buffer_size < 128) 517 return EAGAIN; 518 return copyout(sc->sc_edid_data, d->edid_data, 128); 519 } 520 } 521 return EPASSTHROUGH; 522 } 523 524 static paddr_t 525 pm2fb_mmap(void *v, void *vs, off_t offset, int prot) 526 { 527 struct vcons_data *vd = v; 528 struct pm2fb_softc *sc = vd->cookie; 529 paddr_t pa; 530 531 /* 'regular' framebuffer mmap()ing */ 532 if (offset < sc->sc_fbsize) { 533 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 534 BUS_SPACE_MAP_LINEAR); 535 return pa; 536 } 537 538 /* 539 * restrict all other mappings to processes with superuser privileges 540 * or the kernel itself 541 */ 542 if (kauth_authorize_machdep(kauth_cred_get(), 543 KAUTH_MACHDEP_UNMANAGEDMEM, 544 NULL, NULL, NULL, NULL) != 0) { 545 aprint_normal("%s: mmap() rejected.\n", 546 device_xname(sc->sc_dev)); 547 return -1; 548 } 549 550 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 551 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 552 BUS_SPACE_MAP_LINEAR); 553 return pa; 554 } 555 556 if ((offset >= sc->sc_reg) && 557 (offset < (sc->sc_reg + sc->sc_regsize))) { 558 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 559 BUS_SPACE_MAP_LINEAR); 560 return pa; 561 } 562 563 #ifdef PCI_MAGIC_IO_RANGE 564 /* allow mapping of IO space */ 565 if ((offset >= PCI_MAGIC_IO_RANGE) && 566 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 567 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 568 0, prot, BUS_SPACE_MAP_LINEAR); 569 return pa; 570 } 571 #endif 572 573 return -1; 574 } 575 576 static void 577 pm2fb_init_screen(void *cookie, struct vcons_screen *scr, 578 int existing, long *defattr) 579 { 580 struct pm2fb_softc *sc = cookie; 581 struct rasops_info *ri = &scr->scr_ri; 582 583 ri->ri_depth = sc->sc_depth; 584 ri->ri_width = sc->sc_width; 585 ri->ri_height = sc->sc_height; 586 ri->ri_stride = sc->sc_stride; 587 ri->ri_flg = RI_CENTER; 588 if (sc->sc_depth == 8) 589 ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA; 590 591 rasops_init(ri, 0, 0); 592 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE; 593 594 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 595 sc->sc_width / ri->ri_font->fontwidth); 596 597 ri->ri_hw = scr; 598 ri->ri_ops.copyrows = pm2fb_copyrows; 599 ri->ri_ops.copycols = pm2fb_copycols; 600 ri->ri_ops.cursor = pm2fb_cursor; 601 ri->ri_ops.eraserows = pm2fb_eraserows; 602 ri->ri_ops.erasecols = pm2fb_erasecols; 603 if (FONT_IS_ALPHA(ri->ri_font)) { 604 ri->ri_ops.putchar = pm2fb_putchar_aa; 605 } else 606 ri->ri_ops.putchar = pm2fb_putchar; 607 } 608 609 static int 610 pm2fb_putcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 611 { 612 u_char *r, *g, *b; 613 u_int index = cm->index; 614 u_int count = cm->count; 615 int i, error; 616 u_char rbuf[256], gbuf[256], bbuf[256]; 617 618 #ifdef PM2FB_DEBUG 619 aprint_debug("putcmap: %d %d\n",index, count); 620 #endif 621 if (cm->index >= 256 || cm->count > 256 || 622 (cm->index + cm->count) > 256) 623 return EINVAL; 624 error = copyin(cm->red, &rbuf[index], count); 625 if (error) 626 return error; 627 error = copyin(cm->green, &gbuf[index], count); 628 if (error) 629 return error; 630 error = copyin(cm->blue, &bbuf[index], count); 631 if (error) 632 return error; 633 634 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 635 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 636 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 637 638 r = &sc->sc_cmap_red[index]; 639 g = &sc->sc_cmap_green[index]; 640 b = &sc->sc_cmap_blue[index]; 641 642 for (i = 0; i < count; i++) { 643 pm2fb_putpalreg(sc, index, *r, *g, *b); 644 index++; 645 r++, g++, b++; 646 } 647 return 0; 648 } 649 650 static int 651 pm2fb_getcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 652 { 653 u_int index = cm->index; 654 u_int count = cm->count; 655 int error; 656 657 if (index >= 255 || count > 256 || index + count > 256) 658 return EINVAL; 659 660 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 661 if (error) 662 return error; 663 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 664 if (error) 665 return error; 666 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 667 if (error) 668 return error; 669 670 return 0; 671 } 672 673 static void 674 pm2fb_restore_palette(struct pm2fb_softc *sc) 675 { 676 int i; 677 678 for (i = 0; i < (1 << sc->sc_depth); i++) { 679 pm2fb_putpalreg(sc, i, sc->sc_cmap_red[i], 680 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 681 } 682 } 683 684 static int 685 pm2fb_putpalreg(struct pm2fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 686 uint8_t b) 687 { 688 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, idx); 689 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, r); 690 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, g); 691 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, b); 692 return 0; 693 } 694 695 static uint8_t 696 pm2fb_read_dac(struct pm2fb_softc *sc, int reg) 697 { 698 if (sc->sc_is_pm2) { 699 bus_space_write_1(sc->sc_memt, sc->sc_regh, 700 PM2_DAC_PAL_WRITE_IDX, reg); 701 return bus_space_read_1(sc->sc_memt, sc->sc_regh, 702 PM2_DAC_INDEX_DATA); 703 } else { 704 bus_space_write_1(sc->sc_memt, sc->sc_regh, 705 PM2V_DAC_INDEX_LOW, reg & 0xff); 706 bus_space_write_1(sc->sc_memt, sc->sc_regh, 707 PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); 708 return bus_space_read_1(sc->sc_memt, sc->sc_regh, 709 PM2V_DAC_INDEX_DATA); 710 } 711 } 712 713 static void 714 pm2fb_write_dac(struct pm2fb_softc *sc, int reg, uint8_t data) 715 { 716 pm2fb_wait(sc, 3); 717 if (sc->sc_is_pm2) { 718 bus_space_write_1(sc->sc_memt, sc->sc_regh, 719 PM2_DAC_PAL_WRITE_IDX, reg); 720 bus_space_write_1(sc->sc_memt, sc->sc_regh, 721 PM2_DAC_INDEX_DATA, data); 722 } else { 723 bus_space_write_1(sc->sc_memt, sc->sc_regh, 724 PM2V_DAC_INDEX_LOW, reg & 0xff); 725 bus_space_write_1(sc->sc_memt, sc->sc_regh, 726 PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); 727 bus_space_write_1(sc->sc_memt, sc->sc_regh, 728 PM2V_DAC_INDEX_DATA, data); 729 } 730 } 731 732 static void 733 pm2fb_init(struct pm2fb_softc *sc) 734 { 735 pm2fb_flush_engine(sc); 736 737 pm2fb_wait(sc, 8); 738 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_BASE, 0); 739 #if 0 740 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_BYPASS_MASK, 741 0xffffffff); 742 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_WRITE_MASK, 743 0xffffffff); 744 #endif 745 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HW_WRITEMASK, 746 0xffffffff); 747 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SW_WRITEMASK, 748 0xffffffff); 749 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WRITE_MODE, 750 PM2WM_WRITE_EN); 751 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 752 (sc->sc_height << 16) | sc->sc_width); 753 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MODE, 754 PM2SC_SCREEN_EN); 755 pm2fb_wait(sc, 8); 756 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); 757 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); 758 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 759 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_COLOUR_MODE, 0); 760 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_ADDRESS_MODE, 0); 761 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_READ_MODE, 0); 762 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_LUT_MODE, 0); 763 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_YUV_MODE, 0); 764 pm2fb_wait(sc, 8); 765 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH_MODE, 0); 766 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH, 0); 767 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STENCIL_MODE, 0); 768 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STIPPLE_MODE, 0); 769 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ROP_MODE, 0); 770 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WINDOW_ORIGIN, 0); 771 #if 0 772 sc->sc_pprod = bus_space_read_4(sc->sc_memt, sc->sc_regh, 773 PM2_FB_READMODE) & 774 (PM2FB_PP0_MASK | PM2FB_PP1_MASK | PM2FB_PP2_MASK); 775 #endif 776 sc->sc_pprod = partprodPermedia[sc->sc_stride >> 5]; 777 778 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE, 779 sc->sc_pprod); 780 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEXMAP_FORMAT, 781 sc->sc_pprod); 782 pm2fb_wait(sc, 9); 783 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DY, 1 << 16); 784 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DXDOM, 0); 785 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXDOM, 0); 786 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXSUB, 0); 787 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTY, 0); 788 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COUNT, 0); 789 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MINYX, 0); 790 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MAXYX, 791 0x0fff0fff); 792 /* 793 * another scissor we need to disable in order to blit into off-screen 794 * memory 795 */ 796 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 797 0x0fff0fff); 798 799 switch(sc->sc_depth) { 800 case 8: 801 bus_space_write_4(sc->sc_memt, sc->sc_regh, 802 PM2_RE_PIXEL_SIZE, PM2PS_8BIT); 803 break; 804 case 16: 805 bus_space_write_4(sc->sc_memt, sc->sc_regh, 806 PM2_RE_PIXEL_SIZE, PM2PS_16BIT); 807 break; 808 case 32: 809 bus_space_write_4(sc->sc_memt, sc->sc_regh, 810 PM2_RE_PIXEL_SIZE, PM2PS_32BIT); 811 break; 812 } 813 pm2fb_flush_engine(sc); 814 DPRINTF("pixel size: %08x\n", 815 bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_RE_PIXEL_SIZE)); 816 } 817 818 static void 819 pm2fb_rectfill(struct pm2fb_softc *sc, int x, int y, int wi, int he, 820 uint32_t colour) 821 { 822 823 pm2fb_wait(sc, 7); 824 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 825 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 826 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 827 PM2RECFG_WRITE_EN); 828 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, 829 colour); 830 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 831 (y << 16) | x); 832 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 833 (he << 16) | wi); 834 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 835 PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 836 } 837 838 static void 839 pm2fb_rectfill_a(void *cookie, int x, int y, int wi, int he, long attr) 840 { 841 struct pm2fb_softc *sc = cookie; 842 843 pm2fb_rectfill(sc, x, y, wi, he, 844 sc->vd.active->scr_ri.ri_devcmap[(attr >> 24 & 0xf)]); 845 } 846 847 static void 848 pm2fb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 849 int wi, int he, int rop) 850 { 851 struct pm2fb_softc *sc = cookie; 852 uint32_t dir = 0; 853 int rxs, rxd, rwi, rxdelta; 854 855 if (yd <= ys) { 856 dir |= PM2RE_INC_Y; 857 } 858 if (xd <= xs) { 859 dir |= PM2RE_INC_X; 860 } 861 pm2fb_wait(sc, 8); 862 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 863 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 864 if (sc->sc_depth == 8) { 865 int adjust; 866 /* 867 * use packed mode for some extra speed 868 * this copies 32bit quantities even in 8 bit mode, so we need 869 * to adjust for cases where the lower two bits in source and 870 * destination X don't align, and/or where the width isn't a 871 * multiple of 4 872 */ 873 if (rop == 3) { 874 bus_space_write_4(sc->sc_memt, sc->sc_regh, 875 PM2_RE_CONFIG, 876 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | 877 PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); 878 } else { 879 bus_space_write_4(sc->sc_memt, sc->sc_regh, 880 PM2_RE_CONFIG, 881 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | 882 PM2RECFG_WRITE_EN | PM2RECFG_PACKED | 883 PM2RECFG_ROP_EN | (rop << 6)); 884 } 885 rxs = xs >> 2; 886 rxd = xd >> 2; 887 rwi = (wi + 7) >> 2; 888 rxdelta = (xs & 0xffc) - (xd & 0xffc); 889 /* adjust for non-aligned x */ 890 adjust = ((xd & 3) - (xs & 3)); 891 bus_space_write_4(sc->sc_memt, sc->sc_regh, 892 PM2_RE_PACKEDDATA_LIMIT, 893 (xd << 16) | (xd + wi) | (adjust << 29)); 894 895 } else { 896 /* we're in 16 or 32bit mode */ 897 if (rop == 3) { 898 bus_space_write_4(sc->sc_memt, sc->sc_regh, 899 PM2_RE_CONFIG, 900 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | 901 PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); 902 } else { 903 bus_space_write_4(sc->sc_memt, sc->sc_regh, 904 PM2_RE_CONFIG, 905 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | 906 PM2RECFG_WRITE_EN | PM2RECFG_PACKED | 907 PM2RECFG_ROP_EN | (rop << 6)); 908 } 909 rxs = xs; 910 rxd = xd; 911 rwi = wi; 912 rxdelta = xs - xd; 913 } 914 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 915 (yd << 16) | rxd); 916 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 917 (he << 16) | rwi); 918 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SOURCE_DELTA, 919 (((ys - yd) & 0xfff) << 16) | (rxdelta & 0xfff)); 920 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 921 PM2RE_RECTANGLE | dir); 922 } 923 924 static void 925 pm2fb_cursor(void *cookie, int on, int row, int col) 926 { 927 struct rasops_info *ri = cookie; 928 struct vcons_screen *scr = ri->ri_hw; 929 struct pm2fb_softc *sc = scr->scr_cookie; 930 int x, y, wi, he; 931 932 wi = ri->ri_font->fontwidth; 933 he = ri->ri_font->fontheight; 934 935 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 936 x = ri->ri_ccol * wi + ri->ri_xorigin; 937 y = ri->ri_crow * he + ri->ri_yorigin; 938 if (ri->ri_flg & RI_CURSOR) { 939 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 940 ri->ri_flg &= ~RI_CURSOR; 941 } 942 ri->ri_crow = row; 943 ri->ri_ccol = col; 944 if (on) { 945 x = ri->ri_ccol * wi + ri->ri_xorigin; 946 y = ri->ri_crow * he + ri->ri_yorigin; 947 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 948 ri->ri_flg |= RI_CURSOR; 949 } 950 } else { 951 scr->scr_ri.ri_crow = row; 952 scr->scr_ri.ri_ccol = col; 953 scr->scr_ri.ri_flg &= ~RI_CURSOR; 954 } 955 956 } 957 958 static void 959 pm2fb_putchar(void *cookie, int row, int col, u_int c, long attr) 960 { 961 struct rasops_info *ri = cookie; 962 struct wsdisplay_font *font = PICK_FONT(ri, c); 963 struct vcons_screen *scr = ri->ri_hw; 964 struct pm2fb_softc *sc = scr->scr_cookie; 965 uint32_t mode; 966 967 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 968 void *data; 969 uint32_t fg, bg; 970 int uc, i; 971 int x, y, wi, he; 972 973 wi = font->fontwidth; 974 he = font->fontheight; 975 976 if (!CHAR_IN_FONT(c, font)) 977 return; 978 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 979 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 980 x = ri->ri_xorigin + col * wi; 981 y = ri->ri_yorigin + row * he; 982 if (c == 0x20) { 983 pm2fb_rectfill(sc, x, y, wi, he, bg); 984 } else { 985 uc = c - font->firstchar; 986 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 987 988 mode = PM2RM_MASK_MIRROR; 989 switch (ri->ri_font->stride) { 990 case 1: 991 mode |= 3 << 7; 992 break; 993 case 2: 994 mode |= 2 << 7; 995 break; 996 } 997 998 pm2fb_wait(sc, 8); 999 1000 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1001 PM2_RE_MODE, mode); 1002 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1003 PM2_RE_CONFIG, PM2RECFG_WRITE_EN); 1004 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1005 PM2_RE_BLOCK_COLOUR, bg); 1006 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1007 PM2_RE_RECT_START, (y << 16) | x); 1008 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1009 PM2_RE_RECT_SIZE, (he << 16) | wi); 1010 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1011 PM2_RE_RENDER, 1012 PM2RE_RECTANGLE | 1013 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 1014 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1015 PM2_RE_BLOCK_COLOUR, fg); 1016 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1017 PM2_RE_RENDER, 1018 PM2RE_RECTANGLE | PM2RE_SYNC_ON_MASK | 1019 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 1020 1021 pm2fb_wait(sc, he); 1022 switch (ri->ri_font->stride) { 1023 case 1: { 1024 uint8_t *data8 = data; 1025 uint32_t reg; 1026 for (i = 0; i < he; i++) { 1027 reg = *data8; 1028 bus_space_write_4(sc->sc_memt, 1029 sc->sc_regh, 1030 PM2_RE_BITMASK, reg); 1031 data8++; 1032 } 1033 break; 1034 } 1035 case 2: { 1036 uint16_t *data16 = data; 1037 uint32_t reg; 1038 for (i = 0; i < he; i++) { 1039 reg = *data16; 1040 bus_space_write_4(sc->sc_memt, 1041 sc->sc_regh, 1042 PM2_RE_BITMASK, reg); 1043 data16++; 1044 } 1045 break; 1046 } 1047 } 1048 } 1049 if (attr & 1) 1050 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1051 } 1052 } 1053 1054 static void 1055 pm2fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1056 { 1057 struct rasops_info *ri = cookie; 1058 struct wsdisplay_font *font = PICK_FONT(ri, c); 1059 struct vcons_screen *scr = ri->ri_hw; 1060 struct pm2fb_softc *sc = scr->scr_cookie; 1061 uint32_t bg, fg, /*latch = 0,*/ bg8, fg8, pixel; 1062 int i, x, y, wi, he, r, g, b, aval; 1063 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1064 uint8_t *data8; 1065 int rv = GC_NOPE, cnt = 0; 1066 1067 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1068 return; 1069 1070 if (!CHAR_IN_FONT(c, font)) 1071 return; 1072 1073 wi = font->fontwidth; 1074 he = font->fontheight; 1075 1076 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1077 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1078 x = ri->ri_xorigin + col * wi; 1079 y = ri->ri_yorigin + row * he; 1080 if (c == 0x20) { 1081 pm2fb_rectfill(sc, x, y, wi, he, bg); 1082 if (attr & 1) 1083 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1084 return; 1085 } 1086 1087 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1088 if (rv == GC_OK) 1089 return; 1090 1091 data8 = WSFONT_GLYPH(c, font); 1092 1093 pm2fb_wait(sc, 5); 1094 #if 0 1095 /* 1096 * TODO: 1097 * - use packed mode here as well, instead of writing each pixel separately 1098 * - see if we can trick the chip into doing the alpha blending for us 1099 */ 1100 x = x >> 2; 1101 wi = (wi + 3) >> 2; 1102 #endif 1103 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 1104 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 1105 PM2RECFG_WRITE_EN /*| PM2RECFG_PACKED*/); 1106 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1107 PM2_RE_RECT_START, (y << 16) | x); 1108 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1109 PM2_RE_RECT_SIZE, (he << 16) | wi); 1110 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1111 PM2_RE_RENDER, 1112 PM2RE_RECTANGLE | PM2RE_SYNC_ON_HOST | 1113 PM2RE_INC_X | PM2RE_INC_Y); 1114 /* 1115 * we need the RGB colours here, so get offsets into rasops_cmap 1116 */ 1117 fgo = ((attr >> 24) & 0xf) * 3; 1118 bgo = ((attr >> 16) & 0xf) * 3; 1119 1120 r0 = rasops_cmap[bgo]; 1121 r1 = rasops_cmap[fgo]; 1122 g0 = rasops_cmap[bgo + 1]; 1123 g1 = rasops_cmap[fgo + 1]; 1124 b0 = rasops_cmap[bgo + 2]; 1125 b1 = rasops_cmap[fgo + 2]; 1126 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1127 bg8 = R3G3B2(r0, g0, b0); 1128 fg8 = R3G3B2(r1, g1, b1); 1129 1130 pm2fb_wait(sc, 200); 1131 1132 for (i = 0; i < ri->ri_fontscale; i++) { 1133 aval = *data8; 1134 if (aval == 0) { 1135 pixel = bg8; 1136 } else if (aval == 255) { 1137 pixel = fg8; 1138 } else { 1139 r = aval * r1 + (255 - aval) * r0; 1140 g = aval * g1 + (255 - aval) * g0; 1141 b = aval * b1 + (255 - aval) * b0; 1142 pixel = ((r & 0xe000) >> 8) | 1143 ((g & 0xe000) >> 11) | 1144 ((b & 0xc000) >> 14); 1145 } 1146 #if 0 1147 latch = (latch << 8) | pixel; 1148 /* write in 32bit chunks */ 1149 if ((i & 3) == 3) { 1150 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1151 PM2_RE_DATA, latch); 1152 /* 1153 * not strictly necessary, old data should be shifted 1154 * out 1155 */ 1156 latch = 0; 1157 cnt++; 1158 if (cnt > 190) { 1159 pm2fb_wait(sc, 200); 1160 cnt = 0; 1161 } 1162 } 1163 #else 1164 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1165 PM2_RE_COLOUR, pixel); 1166 1167 if (cnt > 190) { 1168 pm2fb_wait(sc, 200); 1169 cnt = 0; 1170 } 1171 #endif 1172 data8++; 1173 } 1174 #if 0 1175 /* if we have pixels left in latch write them out */ 1176 if ((i & 3) != 0) { 1177 latch = latch << ((4 - (i & 3)) << 3); 1178 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1179 PM2_RE_DATA, latch); 1180 } 1181 #endif 1182 /* 1183 * XXX 1184 * occasionally characters end up in the cache only partially drawn 1185 * apparently the blitter might end up grabbing them before they're 1186 * completely flushed out into video memory 1187 * so we let the pipeline drain a little bit before continuing 1188 */ 1189 pm2fb_wait(sc, 20); 1190 1191 if (rv == GC_ADD) { 1192 glyphcache_add(&sc->sc_gc, c, x, y); 1193 } else if (attr & 1) 1194 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1195 } 1196 1197 static void 1198 pm2fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1199 { 1200 struct rasops_info *ri = cookie; 1201 struct vcons_screen *scr = ri->ri_hw; 1202 struct pm2fb_softc *sc = scr->scr_cookie; 1203 int32_t xs, xd, y, width, height; 1204 1205 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1206 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1207 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1208 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1209 width = ri->ri_font->fontwidth * ncols; 1210 height = ri->ri_font->fontheight; 1211 pm2fb_bitblt(sc, xs, y, xd, y, width, height, 3); 1212 } 1213 } 1214 1215 static void 1216 pm2fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1217 { 1218 struct rasops_info *ri = cookie; 1219 struct vcons_screen *scr = ri->ri_hw; 1220 struct pm2fb_softc *sc = scr->scr_cookie; 1221 int32_t x, y, width, height, fg, bg, ul; 1222 1223 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1224 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1225 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1226 width = ri->ri_font->fontwidth * ncols; 1227 height = ri->ri_font->fontheight; 1228 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1229 1230 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1231 } 1232 } 1233 1234 static void 1235 pm2fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1236 { 1237 struct rasops_info *ri = cookie; 1238 struct vcons_screen *scr = ri->ri_hw; 1239 struct pm2fb_softc *sc = scr->scr_cookie; 1240 int32_t x, ys, yd, width, height; 1241 1242 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1243 x = ri->ri_xorigin; 1244 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1245 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1246 width = ri->ri_emuwidth; 1247 height = ri->ri_font->fontheight*nrows; 1248 pm2fb_bitblt(sc, x, ys, x, yd, width, height, 3); 1249 } 1250 } 1251 1252 static void 1253 pm2fb_eraserows(void *cookie, int row, int nrows, long fillattr) 1254 { 1255 struct rasops_info *ri = cookie; 1256 struct vcons_screen *scr = ri->ri_hw; 1257 struct pm2fb_softc *sc = scr->scr_cookie; 1258 int32_t x, y, width, height, fg, bg, ul; 1259 1260 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1261 x = ri->ri_xorigin; 1262 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1263 width = ri->ri_emuwidth; 1264 height = ri->ri_font->fontheight * nrows; 1265 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1266 1267 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1268 } 1269 } 1270 1271 /* 1272 * Permedia2 can't blit outside of 2048x2048, so reject anything higher 1273 * max. dot clock is probably too high 1274 */ 1275 1276 #define MODE_IS_VALID(m) (((m)->hdisplay < 2048) && \ 1277 ((m)->dot_clock < 230000)) 1278 1279 static void 1280 pm2_setup_i2c(struct pm2fb_softc *sc) 1281 { 1282 int i; 1283 #ifdef PM2FB_DEBUG 1284 int j; 1285 #endif 1286 1287 /* Fill in the i2c tag */ 1288 sc->sc_i2c.ic_cookie = sc; 1289 sc->sc_i2c.ic_acquire_bus = pm2fb_i2c_acquire_bus; 1290 sc->sc_i2c.ic_release_bus = pm2fb_i2c_release_bus; 1291 sc->sc_i2c.ic_send_start = pm2fb_i2c_send_start; 1292 sc->sc_i2c.ic_send_stop = pm2fb_i2c_send_stop; 1293 sc->sc_i2c.ic_initiate_xfer = pm2fb_i2c_initiate_xfer; 1294 sc->sc_i2c.ic_read_byte = pm2fb_i2c_read_byte; 1295 sc->sc_i2c.ic_write_byte = pm2fb_i2c_write_byte; 1296 sc->sc_i2c.ic_exec = NULL; 1297 1298 DPRINTF("data: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, 1299 PM2_DISPLAY_DATA)); 1300 1301 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, 0); 1302 1303 /* zero out the EDID buffer */ 1304 memset(sc->sc_edid_data, 0, 128); 1305 1306 /* Some monitors don't respond first time */ 1307 i = 0; 1308 while (sc->sc_edid_data[1] == 0 && i < 10) { 1309 ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); 1310 i++; 1311 } 1312 #ifdef PM2FB_DEBUG 1313 printf("i = %d\n", i); 1314 for (i = 0; i < 128; i += 16) { 1315 printf("%02x:", i); 1316 for (j = 0; j < 16; j++) 1317 printf(" %02x", sc->sc_edid_data[i + j]); 1318 printf("\n"); 1319 } 1320 #endif 1321 1322 if (edid_parse(&sc->sc_edid_data[0], &sc->sc_ei) != -1) { 1323 #ifdef PM2FB_DEBUG 1324 edid_print(&sc->sc_ei); 1325 #endif 1326 1327 /* 1328 * Now pick a mode. 1329 */ 1330 if ((sc->sc_ei.edid_preferred_mode != NULL)) { 1331 struct videomode *m = sc->sc_ei.edid_preferred_mode; 1332 if (MODE_IS_VALID(m)) { 1333 sc->sc_videomode = m; 1334 } else { 1335 aprint_error_dev(sc->sc_dev, 1336 "unable to use preferred mode\n"); 1337 } 1338 } 1339 /* 1340 * if we can't use the preferred mode go look for the 1341 * best one we can support 1342 */ 1343 if (sc->sc_videomode == NULL) { 1344 int n; 1345 struct videomode *m = sc->sc_ei.edid_modes; 1346 1347 sort_modes(sc->sc_ei.edid_modes, 1348 &sc->sc_ei.edid_preferred_mode, 1349 sc->sc_ei.edid_nmodes); 1350 while ((sc->sc_videomode == NULL) && 1351 (n < sc->sc_ei.edid_nmodes)) { 1352 if (MODE_IS_VALID(&m[n])) { 1353 sc->sc_videomode = &m[n]; 1354 } 1355 n++; 1356 } 1357 } 1358 } 1359 if (sc->sc_videomode == NULL) { 1360 /* no EDID data? */ 1361 sc->sc_videomode = pick_mode_by_ref(sc->sc_width, 1362 sc->sc_height, 60); 1363 } 1364 if (sc->sc_videomode != NULL) { 1365 pm2fb_set_mode(sc, sc->sc_videomode); 1366 } 1367 } 1368 1369 /* I2C bitbanging */ 1370 static void pm2fb_i2cbb_set_bits(void *cookie, uint32_t bits) 1371 { 1372 struct pm2fb_softc *sc = cookie; 1373 uint32_t out; 1374 1375 out = bits << 2; /* bitmasks match the IN bits */ 1376 1377 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, out); 1378 delay(100); 1379 } 1380 1381 static void pm2fb_i2cbb_set_dir(void *cookie, uint32_t dir) 1382 { 1383 /* Nothing to do */ 1384 } 1385 1386 static uint32_t pm2fb_i2cbb_read(void *cookie) 1387 { 1388 struct pm2fb_softc *sc = cookie; 1389 uint32_t bits; 1390 1391 bits = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA); 1392 return bits; 1393 } 1394 1395 /* higher level I2C stuff */ 1396 static int 1397 pm2fb_i2c_acquire_bus(void *cookie, int flags) 1398 { 1399 /* private bus */ 1400 return (0); 1401 } 1402 1403 static void 1404 pm2fb_i2c_release_bus(void *cookie, int flags) 1405 { 1406 /* private bus */ 1407 } 1408 1409 static int 1410 pm2fb_i2c_send_start(void *cookie, int flags) 1411 { 1412 return (i2c_bitbang_send_start(cookie, flags, &pm2fb_i2cbb_ops)); 1413 } 1414 1415 static int 1416 pm2fb_i2c_send_stop(void *cookie, int flags) 1417 { 1418 1419 return (i2c_bitbang_send_stop(cookie, flags, &pm2fb_i2cbb_ops)); 1420 } 1421 1422 static int 1423 pm2fb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) 1424 { 1425 1426 return (i2c_bitbang_initiate_xfer(cookie, addr, flags, 1427 &pm2fb_i2cbb_ops)); 1428 } 1429 1430 static int 1431 pm2fb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) 1432 { 1433 return (i2c_bitbang_read_byte(cookie, valp, flags, &pm2fb_i2cbb_ops)); 1434 } 1435 1436 static int 1437 pm2fb_i2c_write_byte(void *cookie, uint8_t val, int flags) 1438 { 1439 return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); 1440 } 1441 1442 #define RefClk 14318 /* all frequencies are in kHz */ 1443 static int 1444 pm2fb_set_pll(struct pm2fb_softc *sc, int freq) 1445 { 1446 int m, n, p, diff, out_freq, bm, bn, bp, bdiff = 1000000, bfreq; 1447 int fi; 1448 uint8_t temp; 1449 1450 /* 1451 * this should work on PM2V, PM2 needs something slightly different 1452 */ 1453 for (m = 1; m < 128; m++) { 1454 for (n = 2 * m + 1; n < 256; n++) { 1455 fi = RefClk * n / m; 1456 for (p = 0; p < 2; p++) { 1457 out_freq = fi >> (p + 1); 1458 diff = abs(out_freq - freq); 1459 if (diff < bdiff) { 1460 bdiff = diff; 1461 bfreq = out_freq; 1462 bm = m; 1463 bn = n; 1464 bp = p; 1465 } 1466 } 1467 } 1468 } 1469 #if 0 1470 /* 1471 * XXX 1472 * output between switching modes and attaching a wsdisplay will 1473 * go through firmware calls on sparc64 and potentially mess up 1474 * our drawing engine state 1475 */ 1476 DPRINTF("best: %d kHz ( %d off ), %d %d %d\n", bfreq, bdiff, bm, bn, bp); 1477 #endif 1478 temp = pm2fb_read_dac(sc, PM2V_DAC_CLOCK_CONTROL) & 0xfc; 1479 pm2fb_write_dac(sc, PM2V_DAC_CONTROL, 0); 1480 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_M, bm); 1481 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_N, bn); 1482 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_P, bp); 1483 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_CONTROL, temp | 3); 1484 return 0; 1485 } 1486 1487 /* 1488 * most of the following was adapted from the xf86-video-glint driver's 1489 * pm2v_dac.c 1490 */ 1491 static void 1492 pm2fb_set_mode(struct pm2fb_softc *sc, const struct videomode *mode) 1493 { 1494 int t1, t2, t3, t4, stride; 1495 uint32_t vclk; 1496 uint8_t sync = 0; 1497 1498 t1 = mode->hsync_start - mode->hdisplay; 1499 t2 = mode->vsync_start - mode->vdisplay; 1500 t3 = mode->hsync_end - mode->hsync_start; 1501 t4 = mode->vsync_end - mode->vsync_start; 1502 1503 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HTOTAL, 1504 ((mode->htotal) >> 3) - 1); 1505 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_END, 1506 (t1 + t3) >> 3); 1507 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_START, 1508 (t1 >> 3) - 1); 1509 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HBLANK_END, 1510 (mode->htotal - mode->hdisplay) >> 3); 1511 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HGATE_END, 1512 (mode->htotal - mode->hdisplay) >> 3); 1513 1514 /* first round up to the next multiple of 32 */ 1515 stride = (mode->hdisplay + 31) & ~31; 1516 /* then find the next bigger one that we have partial products for */ 1517 while ((partprodPermedia[stride >> 5] == -1) && (stride < 2048)) { 1518 stride += 32; 1519 } 1520 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_STRIDE, 1521 stride >> 3); 1522 1523 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VTOTAL, 1524 mode->vtotal - 1); 1525 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_END, 1526 t2 + t4); 1527 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_START, 1528 t2); 1529 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VBLANK_END, 1530 mode->vtotal - mode->vdisplay); 1531 1532 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VIDEO_CONTROL, 1533 PM2_VC_VIDEO_ENABLE | PM2_VC_RAMDAC_64BIT | 1534 PM2_VC_HSYNC_ACT_HIGH | PM2_VC_VSYNC_ACT_HIGH); 1535 1536 vclk = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL); 1537 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL, 1538 vclk & 0xfffffffc); 1539 1540 pm2fb_set_pll(sc, mode->dot_clock / 2); 1541 pm2fb_write_dac(sc, PM2V_DAC_MISC_CONTROL, PM2V_DAC_8BIT); 1542 1543 if (mode->flags & VID_PHSYNC) 1544 sync |= PM2V_DAC_HSYNC_INV; 1545 if (mode->flags & VID_PVSYNC) 1546 sync |= PM2V_DAC_VSYNC_INV; 1547 pm2fb_write_dac(sc, PM2V_DAC_SYNC_CONTROL, sync); 1548 1549 pm2fb_write_dac(sc, PM2V_DAC_COLOR_FORMAT, PM2V_DAC_PALETTE); 1550 pm2fb_write_dac(sc, PM2V_DAC_PIXEL_SIZE, PM2V_PS_8BIT); 1551 sc->sc_width = mode->hdisplay; 1552 sc->sc_height = mode->vdisplay; 1553 sc->sc_depth = 8; 1554 sc->sc_stride = stride; 1555 aprint_normal_dev(sc->sc_dev, "using %d x %d in 8 bit, stride %d\n", 1556 sc->sc_width, sc->sc_height, stride); 1557 } 1558
Indexes created Tue Sep 30 06:09:59 GMT 2025