pm2fb.c revision 1.19
1 /* $NetBSD: pm2fb.c,v 1.19 2012/09/13 21:12:40 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 1.19 2012/09/13 21:12:40 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_bitblt(void *, int, int, int, int, int, int, int); 135 136 static void pm2fb_cursor(void *, int, int, int); 137 static void pm2fb_putchar(void *, int, int, u_int, long); 138 static void pm2fb_putchar_aa(void *, int, int, u_int, long); 139 static void pm2fb_copycols(void *, int, int, int, int); 140 static void pm2fb_erasecols(void *, int, int, int, long); 141 static void pm2fb_copyrows(void *, int, int, int); 142 static void pm2fb_eraserows(void *, int, int, long); 143 144 struct wsdisplay_accessops pm2fb_accessops = { 145 pm2fb_ioctl, 146 pm2fb_mmap, 147 NULL, /* alloc_screen */ 148 NULL, /* free_screen */ 149 NULL, /* show_screen */ 150 NULL, /* load_font */ 151 NULL, /* pollc */ 152 NULL /* scroll */ 153 }; 154 155 /* I2C glue */ 156 static int pm2fb_i2c_acquire_bus(void *, int); 157 static void pm2fb_i2c_release_bus(void *, int); 158 static int pm2fb_i2c_send_start(void *, int); 159 static int pm2fb_i2c_send_stop(void *, int); 160 static int pm2fb_i2c_initiate_xfer(void *, i2c_addr_t, int); 161 static int pm2fb_i2c_read_byte(void *, uint8_t *, int); 162 static int pm2fb_i2c_write_byte(void *, uint8_t, int); 163 164 /* I2C bitbang glue */ 165 static void pm2fb_i2cbb_set_bits(void *, uint32_t); 166 static void pm2fb_i2cbb_set_dir(void *, uint32_t); 167 static uint32_t pm2fb_i2cbb_read(void *); 168 169 static void pm2_setup_i2c(struct pm2fb_softc *); 170 171 static const struct i2c_bitbang_ops pm2fb_i2cbb_ops = { 172 pm2fb_i2cbb_set_bits, 173 pm2fb_i2cbb_set_dir, 174 pm2fb_i2cbb_read, 175 { 176 PM2_DD_SDA_IN, 177 PM2_DD_SCL_IN, 178 0, 179 0 180 } 181 }; 182 183 /* mode setting stuff */ 184 static int pm2fb_set_pll(struct pm2fb_softc *, int); 185 static uint8_t pm2fb_read_dac(struct pm2fb_softc *, int); 186 static void pm2fb_write_dac(struct pm2fb_softc *, int, uint8_t); 187 static void pm2fb_set_mode(struct pm2fb_softc *, const struct videomode *); 188 189 /* this table is from xf86-video-glint */ 190 #define PARTPROD(a,b,c) (((a)<<6) | ((b)<<3) | (c)) 191 int partprodPermedia[] = { 192 -1, 193 PARTPROD(0,0,1), PARTPROD(0,1,1), PARTPROD(1,1,1), PARTPROD(1,1,2), 194 PARTPROD(1,2,2), PARTPROD(2,2,2), PARTPROD(1,2,3), PARTPROD(2,2,3), 195 PARTPROD(1,3,3), PARTPROD(2,3,3), PARTPROD(1,2,4), PARTPROD(3,3,3), 196 PARTPROD(1,3,4), PARTPROD(2,3,4), -1, PARTPROD(3,3,4), 197 PARTPROD(1,4,4), PARTPROD(2,4,4), -1, PARTPROD(3,4,4), 198 -1, PARTPROD(2,3,5), -1, PARTPROD(4,4,4), 199 PARTPROD(1,4,5), PARTPROD(2,4,5), PARTPROD(3,4,5), -1, 200 -1, -1, -1, PARTPROD(4,4,5), 201 PARTPROD(1,5,5), PARTPROD(2,5,5), -1, PARTPROD(3,5,5), 202 -1, -1, -1, PARTPROD(4,5,5), 203 -1, -1, -1, PARTPROD(3,4,6), 204 -1, -1, -1, PARTPROD(5,5,5), 205 PARTPROD(1,5,6), PARTPROD(2,5,6), -1, PARTPROD(3,5,6), 206 -1, -1, -1, PARTPROD(4,5,6), 207 -1, -1, -1, -1, 208 -1, -1, -1, PARTPROD(5,5,6), 209 -1, -1, -1, -1, 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 0}; 226 227 static inline void 228 pm2fb_wait(struct pm2fb_softc *sc, int slots) 229 { 230 uint32_t reg; 231 232 do { 233 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 234 PM2_INPUT_FIFO_SPACE); 235 } while (reg <= slots); 236 } 237 238 static void 239 pm2fb_flush_engine(struct pm2fb_softc *sc) 240 { 241 242 pm2fb_wait(sc, 2); 243 244 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_FILTER_MODE, 245 PM2FLT_PASS_SYNC); 246 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SYNC, 0); 247 do { 248 while (bus_space_read_4(sc->sc_memt, sc->sc_regh, 249 PM2_OUTPUT_FIFO_WORDS) == 0); 250 } while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO) != 251 0x188); 252 } 253 254 static int 255 pm2fb_match(device_t parent, cfdata_t match, void *aux) 256 { 257 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 258 259 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) 260 return 0; 261 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3DLABS) 262 return 0; 263 264 /* 265 * only card tested on so far is a TechSource Raptor GFX 8P / 266 * Sun PGX32, which happens to be a Permedia 2v 267 */ 268 if (/*(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2) ||*/ 269 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2V)) 270 return 100; 271 return (0); 272 } 273 274 static void 275 pm2fb_attach(device_t parent, device_t self, void *aux) 276 { 277 struct pm2fb_softc *sc = device_private(self); 278 struct pci_attach_args *pa = aux; 279 struct rasops_info *ri; 280 struct wsemuldisplaydev_attach_args aa; 281 prop_dictionary_t dict; 282 unsigned long defattr; 283 bool is_console; 284 int i, j; 285 uint32_t flags; 286 uint8_t cmap[768]; 287 288 sc->sc_pc = pa->pa_pc; 289 sc->sc_pcitag = pa->pa_tag; 290 sc->sc_memt = pa->pa_memt; 291 sc->sc_iot = pa->pa_iot; 292 sc->sc_dev = self; 293 sc->sc_is_pm2 = (PCI_PRODUCT(pa->pa_id) == 294 PCI_PRODUCT_3DLABS_PERMEDIA2); 295 pci_aprint_devinfo(pa, NULL); 296 297 /* 298 * fill in parameters from properties 299 * if we can't get a usable mode via DDC2 we'll use this to pick one, 300 * which is why we fill them in with some conservative values that 301 * hopefully work as a last resort 302 */ 303 dict = device_properties(self); 304 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 305 aprint_error("%s: no width property\n", device_xname(self)); 306 sc->sc_width = 1024; 307 } 308 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 309 aprint_error("%s: no height property\n", device_xname(self)); 310 sc->sc_height = 768; 311 } 312 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 313 aprint_error("%s: no depth property\n", device_xname(self)); 314 sc->sc_depth = 8; 315 } 316 317 /* 318 * don't look at the linebytes property - The Raptor firmware lies 319 * about it. Get it from width * depth >> 3 instead. 320 */ 321 322 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 323 324 prop_dictionary_get_bool(dict, "is_console", &is_console); 325 326 pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14, PCI_MAPREG_TYPE_MEM, 327 &sc->sc_fb, &sc->sc_fbsize, &flags); 328 329 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0, 330 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 331 aprint_error("%s: failed to map registers.\n", 332 device_xname(sc->sc_dev)); 333 } 334 335 /* 336 * XXX yeah, casting the fb address to uint32_t is formally wrong 337 * but as far as I know there are no PM2 with 64bit BARs 338 */ 339 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 340 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 341 342 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 343 "default", 344 0, 0, 345 NULL, 346 8, 16, 347 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 348 NULL 349 }; 350 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 351 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 352 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 353 sc->sc_locked = 0; 354 355 pm2_setup_i2c(sc); 356 357 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 358 &pm2fb_accessops); 359 sc->vd.init_screen = pm2fb_init_screen; 360 361 /* init engine here */ 362 pm2fb_init(sc); 363 364 ri = &sc->sc_console_screen.scr_ri; 365 366 sc->sc_gc.gc_bitblt = pm2fb_bitblt; 367 sc->sc_gc.gc_blitcookie = sc; 368 sc->sc_gc.gc_rop = 3; 369 370 #ifdef PM2FB_DEBUG 371 /* 372 * leave some room at the bottom of the screen for various blitter 373 * tests and in order to make the glyph cache visible 374 */ 375 sc->sc_height -= 200; 376 #endif 377 378 if (is_console) { 379 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 380 &defattr); 381 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 382 383 pm2fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 384 ri->ri_devcmap[(defattr >> 16) & 0xff]); 385 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 386 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 387 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 388 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 389 /* XXX use actual memory size instead of assuming 8MB */ 390 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 391 (sc->sc_fbsize / sc->sc_stride) - sc->sc_height - 5, 392 sc->sc_width, 393 ri->ri_font->fontwidth, 394 ri->ri_font->fontheight, 395 defattr); 396 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 397 defattr); 398 vcons_replay_msgbuf(&sc->sc_console_screen); 399 } else { 400 if (sc->sc_console_screen.scr_ri.ri_rows == 0) { 401 /* do some minimal setup to avoid weirdnesses later */ 402 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 403 (sc->sc_fbsize / sc->sc_stride) - sc->sc_height - 5, 404 sc->sc_width, 405 ri->ri_font->fontwidth, 406 ri->ri_font->fontheight, 407 defattr); 408 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 409 &defattr); 410 } 411 } 412 413 j = 0; 414 rasops_get_cmap(ri, cmap, sizeof(cmap)); 415 for (i = 0; i < 256; i++) { 416 sc->sc_cmap_red[i] = cmap[j]; 417 sc->sc_cmap_green[i] = cmap[j + 1]; 418 sc->sc_cmap_blue[i] = cmap[j + 2]; 419 pm2fb_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); 420 j += 3; 421 } 422 423 aa.console = is_console; 424 aa.scrdata = &sc->sc_screenlist; 425 aa.accessops = &pm2fb_accessops; 426 aa.accesscookie = &sc->vd; 427 428 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 429 430 #ifdef PM2FB_DEBUG 431 /* 432 * draw a pattern to check if pm2fb_bitblt() gets the alignment stuff 433 * right 434 */ 435 pm2fb_rectfill(sc, 0, sc->sc_height, sc->sc_width, 200, 0xffffffff); 436 pm2fb_rectfill(sc, 0, sc->sc_height, 300, 10, 0); 437 pm2fb_rectfill(sc, 10, sc->sc_height, 200, 10, 0xe0e0e0e0); 438 for (i = 1; i < 20; i++) { 439 pm2fb_bitblt(sc, 0, sc->sc_height, 440 i, sc->sc_height + 10 * i, 441 300, 10, 3); 442 pm2fb_bitblt(sc, i, sc->sc_height, 443 400, sc->sc_height + 10 * i, 444 300, 10, 3); 445 } 446 #endif 447 } 448 449 static int 450 pm2fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 451 struct lwp *l) 452 { 453 struct vcons_data *vd = v; 454 struct pm2fb_softc *sc = vd->cookie; 455 struct wsdisplay_fbinfo *wdf; 456 struct vcons_screen *ms = vd->active; 457 458 switch (cmd) { 459 case WSDISPLAYIO_GTYPE: 460 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 461 return 0; 462 463 /* PCI config read/write passthrough. */ 464 case PCI_IOC_CFGREAD: 465 case PCI_IOC_CFGWRITE: 466 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 467 cmd, data, flag, l); 468 469 case WSDISPLAYIO_GET_BUSID: 470 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, 471 sc->sc_pcitag, data); 472 473 case WSDISPLAYIO_GINFO: 474 if (ms == NULL) 475 return ENODEV; 476 wdf = (void *)data; 477 wdf->height = ms->scr_ri.ri_height; 478 wdf->width = ms->scr_ri.ri_width; 479 wdf->depth = ms->scr_ri.ri_depth; 480 wdf->cmsize = 256; 481 return 0; 482 483 case WSDISPLAYIO_GETCMAP: 484 return pm2fb_getcmap(sc, 485 (struct wsdisplay_cmap *)data); 486 487 case WSDISPLAYIO_PUTCMAP: 488 return pm2fb_putcmap(sc, 489 (struct wsdisplay_cmap *)data); 490 491 case WSDISPLAYIO_LINEBYTES: 492 *(u_int *)data = sc->sc_stride; 493 return 0; 494 495 case WSDISPLAYIO_SMODE: { 496 int new_mode = *(int*)data; 497 if (new_mode != sc->sc_mode) { 498 sc->sc_mode = new_mode; 499 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 500 pm2fb_init(sc); 501 pm2fb_restore_palette(sc); 502 glyphcache_wipe(&sc->sc_gc); 503 vcons_redraw_screen(ms); 504 } else 505 pm2fb_flush_engine(sc); 506 } 507 } 508 return 0; 509 case WSDISPLAYIO_GET_EDID: { 510 struct wsdisplayio_edid_info *d = data; 511 d->data_size = 128; 512 if (d->buffer_size < 128) 513 return EAGAIN; 514 return copyout(sc->sc_edid_data, d->edid_data, 128); 515 } 516 } 517 return EPASSTHROUGH; 518 } 519 520 static paddr_t 521 pm2fb_mmap(void *v, void *vs, off_t offset, int prot) 522 { 523 struct vcons_data *vd = v; 524 struct pm2fb_softc *sc = vd->cookie; 525 paddr_t pa; 526 527 /* 'regular' framebuffer mmap()ing */ 528 if (offset < sc->sc_fbsize) { 529 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 530 BUS_SPACE_MAP_LINEAR); 531 return pa; 532 } 533 534 /* 535 * restrict all other mappings to processes with superuser privileges 536 * or the kernel itself 537 */ 538 if (kauth_authorize_machdep(kauth_cred_get(), 539 KAUTH_MACHDEP_UNMANAGEDMEM, 540 NULL, NULL, NULL, NULL) != 0) { 541 aprint_normal("%s: mmap() rejected.\n", 542 device_xname(sc->sc_dev)); 543 return -1; 544 } 545 546 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 547 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 548 BUS_SPACE_MAP_LINEAR); 549 return pa; 550 } 551 552 if ((offset >= sc->sc_reg) && 553 (offset < (sc->sc_reg + sc->sc_regsize))) { 554 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 555 BUS_SPACE_MAP_LINEAR); 556 return pa; 557 } 558 559 #ifdef PCI_MAGIC_IO_RANGE 560 /* allow mapping of IO space */ 561 if ((offset >= PCI_MAGIC_IO_RANGE) && 562 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 563 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 564 0, prot, BUS_SPACE_MAP_LINEAR); 565 return pa; 566 } 567 #endif 568 569 return -1; 570 } 571 572 static void 573 pm2fb_init_screen(void *cookie, struct vcons_screen *scr, 574 int existing, long *defattr) 575 { 576 struct pm2fb_softc *sc = cookie; 577 struct rasops_info *ri = &scr->scr_ri; 578 579 ri->ri_depth = sc->sc_depth; 580 ri->ri_width = sc->sc_width; 581 ri->ri_height = sc->sc_height; 582 ri->ri_stride = sc->sc_stride; 583 ri->ri_flg = RI_CENTER; 584 if (sc->sc_depth == 8) 585 ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA; 586 587 rasops_init(ri, 0, 0); 588 ri->ri_caps = WSSCREEN_WSCOLORS; 589 590 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 591 sc->sc_width / ri->ri_font->fontwidth); 592 593 ri->ri_hw = scr; 594 ri->ri_ops.copyrows = pm2fb_copyrows; 595 ri->ri_ops.copycols = pm2fb_copycols; 596 ri->ri_ops.cursor = pm2fb_cursor; 597 ri->ri_ops.eraserows = pm2fb_eraserows; 598 ri->ri_ops.erasecols = pm2fb_erasecols; 599 if (FONT_IS_ALPHA(ri->ri_font)) { 600 ri->ri_ops.putchar = pm2fb_putchar_aa; 601 } else 602 ri->ri_ops.putchar = pm2fb_putchar; 603 } 604 605 static int 606 pm2fb_putcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 607 { 608 u_char *r, *g, *b; 609 u_int index = cm->index; 610 u_int count = cm->count; 611 int i, error; 612 u_char rbuf[256], gbuf[256], bbuf[256]; 613 614 #ifdef PM2FB_DEBUG 615 aprint_debug("putcmap: %d %d\n",index, count); 616 #endif 617 if (cm->index >= 256 || cm->count > 256 || 618 (cm->index + cm->count) > 256) 619 return EINVAL; 620 error = copyin(cm->red, &rbuf[index], count); 621 if (error) 622 return error; 623 error = copyin(cm->green, &gbuf[index], count); 624 if (error) 625 return error; 626 error = copyin(cm->blue, &bbuf[index], count); 627 if (error) 628 return error; 629 630 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 631 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 632 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 633 634 r = &sc->sc_cmap_red[index]; 635 g = &sc->sc_cmap_green[index]; 636 b = &sc->sc_cmap_blue[index]; 637 638 for (i = 0; i < count; i++) { 639 pm2fb_putpalreg(sc, index, *r, *g, *b); 640 index++; 641 r++, g++, b++; 642 } 643 return 0; 644 } 645 646 static int 647 pm2fb_getcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 648 { 649 u_int index = cm->index; 650 u_int count = cm->count; 651 int error; 652 653 if (index >= 255 || count > 256 || index + count > 256) 654 return EINVAL; 655 656 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 657 if (error) 658 return error; 659 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 660 if (error) 661 return error; 662 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 663 if (error) 664 return error; 665 666 return 0; 667 } 668 669 static void 670 pm2fb_restore_palette(struct pm2fb_softc *sc) 671 { 672 int i; 673 674 for (i = 0; i < (1 << sc->sc_depth); i++) { 675 pm2fb_putpalreg(sc, i, sc->sc_cmap_red[i], 676 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 677 } 678 } 679 680 static int 681 pm2fb_putpalreg(struct pm2fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 682 uint8_t b) 683 { 684 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, idx); 685 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, r); 686 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, g); 687 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, b); 688 return 0; 689 } 690 691 static uint8_t 692 pm2fb_read_dac(struct pm2fb_softc *sc, int reg) 693 { 694 if (sc->sc_is_pm2) { 695 bus_space_write_1(sc->sc_memt, sc->sc_regh, 696 PM2_DAC_PAL_WRITE_IDX, reg); 697 return bus_space_read_1(sc->sc_memt, sc->sc_regh, 698 PM2_DAC_INDEX_DATA); 699 } else { 700 bus_space_write_1(sc->sc_memt, sc->sc_regh, 701 PM2V_DAC_INDEX_LOW, reg & 0xff); 702 bus_space_write_1(sc->sc_memt, sc->sc_regh, 703 PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); 704 return bus_space_read_1(sc->sc_memt, sc->sc_regh, 705 PM2V_DAC_INDEX_DATA); 706 } 707 } 708 709 static void 710 pm2fb_write_dac(struct pm2fb_softc *sc, int reg, uint8_t data) 711 { 712 pm2fb_wait(sc, 3); 713 if (sc->sc_is_pm2) { 714 bus_space_write_1(sc->sc_memt, sc->sc_regh, 715 PM2_DAC_PAL_WRITE_IDX, reg); 716 bus_space_write_1(sc->sc_memt, sc->sc_regh, 717 PM2_DAC_INDEX_DATA, data); 718 } else { 719 bus_space_write_1(sc->sc_memt, sc->sc_regh, 720 PM2V_DAC_INDEX_LOW, reg & 0xff); 721 bus_space_write_1(sc->sc_memt, sc->sc_regh, 722 PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); 723 bus_space_write_1(sc->sc_memt, sc->sc_regh, 724 PM2V_DAC_INDEX_DATA, data); 725 } 726 } 727 728 static void 729 pm2fb_init(struct pm2fb_softc *sc) 730 { 731 pm2fb_flush_engine(sc); 732 733 pm2fb_wait(sc, 8); 734 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_BASE, 0); 735 #if 0 736 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_BYPASS_MASK, 737 0xffffffff); 738 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_WRITE_MASK, 739 0xffffffff); 740 #endif 741 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HW_WRITEMASK, 742 0xffffffff); 743 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SW_WRITEMASK, 744 0xffffffff); 745 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WRITE_MODE, 746 PM2WM_WRITE_EN); 747 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 748 (sc->sc_height << 16) | sc->sc_width); 749 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MODE, 750 PM2SC_SCREEN_EN); 751 pm2fb_wait(sc, 8); 752 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); 753 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); 754 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 755 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_COLOUR_MODE, 0); 756 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_ADDRESS_MODE, 0); 757 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_READ_MODE, 0); 758 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_LUT_MODE, 0); 759 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_YUV_MODE, 0); 760 pm2fb_wait(sc, 8); 761 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH_MODE, 0); 762 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH, 0); 763 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STENCIL_MODE, 0); 764 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STIPPLE_MODE, 0); 765 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ROP_MODE, 0); 766 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WINDOW_ORIGIN, 0); 767 #if 0 768 sc->sc_pprod = bus_space_read_4(sc->sc_memt, sc->sc_regh, 769 PM2_FB_READMODE) & 770 (PM2FB_PP0_MASK | PM2FB_PP1_MASK | PM2FB_PP2_MASK); 771 #endif 772 sc->sc_pprod = partprodPermedia[sc->sc_stride >> 5]; 773 774 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE, 775 sc->sc_pprod); 776 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEXMAP_FORMAT, 777 sc->sc_pprod); 778 pm2fb_wait(sc, 9); 779 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DY, 1 << 16); 780 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DXDOM, 0); 781 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXDOM, 0); 782 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXSUB, 0); 783 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTY, 0); 784 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COUNT, 0); 785 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MINYX, 0); 786 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MAXYX, 787 0x0fff0fff); 788 /* 789 * another scissor we need to disable in order to blit into off-screen 790 * memory 791 */ 792 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 793 0x0fff0fff); 794 795 switch(sc->sc_depth) { 796 case 8: 797 bus_space_write_4(sc->sc_memt, sc->sc_regh, 798 PM2_RE_PIXEL_SIZE, PM2PS_8BIT); 799 break; 800 case 16: 801 bus_space_write_4(sc->sc_memt, sc->sc_regh, 802 PM2_RE_PIXEL_SIZE, PM2PS_16BIT); 803 break; 804 case 32: 805 bus_space_write_4(sc->sc_memt, sc->sc_regh, 806 PM2_RE_PIXEL_SIZE, PM2PS_32BIT); 807 break; 808 } 809 pm2fb_flush_engine(sc); 810 DPRINTF("pixel size: %08x\n", 811 bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_RE_PIXEL_SIZE)); 812 } 813 814 static void 815 pm2fb_rectfill(struct pm2fb_softc *sc, int x, int y, int wi, int he, 816 uint32_t colour) 817 { 818 819 pm2fb_wait(sc, 7); 820 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 821 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 822 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 823 PM2RECFG_WRITE_EN); 824 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, 825 colour); 826 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 827 (y << 16) | x); 828 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 829 (he << 16) | wi); 830 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 831 PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 832 } 833 834 static void 835 pm2fb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 836 int wi, int he, int rop) 837 { 838 struct pm2fb_softc *sc = cookie; 839 uint32_t dir = 0; 840 int rxs, rxd, rwi, rxdelta; 841 842 if (yd <= ys) { 843 dir |= PM2RE_INC_Y; 844 } 845 if (xd <= xs) { 846 dir |= PM2RE_INC_X; 847 } 848 pm2fb_wait(sc, 8); 849 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 850 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 851 if (sc->sc_depth == 8) { 852 int adjust; 853 /* 854 * use packed mode for some extra speed 855 * this copies 32bit quantities even in 8 bit mode, so we need 856 * to adjust for cases where the lower two bits in source and 857 * destination X don't align, and/or where the width isn't a 858 * multiple of 4 859 */ 860 if (rop == 3) { 861 bus_space_write_4(sc->sc_memt, sc->sc_regh, 862 PM2_RE_CONFIG, 863 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | 864 PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); 865 } else { 866 bus_space_write_4(sc->sc_memt, sc->sc_regh, 867 PM2_RE_CONFIG, 868 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | 869 PM2RECFG_WRITE_EN | PM2RECFG_PACKED | 870 PM2RECFG_ROP_EN | (rop << 6)); 871 } 872 rxs = xs >> 2; 873 rxd = xd >> 2; 874 rwi = (wi + 7) >> 2; 875 rxdelta = (xs & 0xffc) - (xd & 0xffc); 876 /* adjust for non-aligned x */ 877 adjust = ((xd & 3) - (xs & 3)); 878 bus_space_write_4(sc->sc_memt, sc->sc_regh, 879 PM2_RE_PACKEDDATA_LIMIT, 880 (xd << 16) | (xd + wi) | (adjust << 29)); 881 882 } else { 883 /* we're in 16 or 32bit mode */ 884 if (rop == 3) { 885 bus_space_write_4(sc->sc_memt, sc->sc_regh, 886 PM2_RE_CONFIG, 887 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | 888 PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); 889 } else { 890 bus_space_write_4(sc->sc_memt, sc->sc_regh, 891 PM2_RE_CONFIG, 892 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | 893 PM2RECFG_WRITE_EN | PM2RECFG_PACKED | 894 PM2RECFG_ROP_EN | (rop << 6)); 895 } 896 rxs = xs; 897 rxd = xd; 898 rwi = wi; 899 rxdelta = xs - xd; 900 } 901 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 902 (yd << 16) | rxd); 903 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 904 (he << 16) | rwi); 905 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SOURCE_DELTA, 906 (((ys - yd) & 0xfff) << 16) | (rxdelta & 0xfff)); 907 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 908 PM2RE_RECTANGLE | dir); 909 } 910 911 static void 912 pm2fb_cursor(void *cookie, int on, int row, int col) 913 { 914 struct rasops_info *ri = cookie; 915 struct vcons_screen *scr = ri->ri_hw; 916 struct pm2fb_softc *sc = scr->scr_cookie; 917 int x, y, wi, he; 918 919 wi = ri->ri_font->fontwidth; 920 he = ri->ri_font->fontheight; 921 922 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 923 x = ri->ri_ccol * wi + ri->ri_xorigin; 924 y = ri->ri_crow * he + ri->ri_yorigin; 925 if (ri->ri_flg & RI_CURSOR) { 926 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 927 ri->ri_flg &= ~RI_CURSOR; 928 } 929 ri->ri_crow = row; 930 ri->ri_ccol = col; 931 if (on) { 932 x = ri->ri_ccol * wi + ri->ri_xorigin; 933 y = ri->ri_crow * he + ri->ri_yorigin; 934 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 935 ri->ri_flg |= RI_CURSOR; 936 } 937 } else { 938 scr->scr_ri.ri_crow = row; 939 scr->scr_ri.ri_ccol = col; 940 scr->scr_ri.ri_flg &= ~RI_CURSOR; 941 } 942 943 } 944 945 static void 946 pm2fb_putchar(void *cookie, int row, int col, u_int c, long attr) 947 { 948 struct rasops_info *ri = cookie; 949 struct wsdisplay_font *font = PICK_FONT(ri, c); 950 struct vcons_screen *scr = ri->ri_hw; 951 struct pm2fb_softc *sc = scr->scr_cookie; 952 uint32_t mode; 953 954 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 955 void *data; 956 uint32_t fg, bg; 957 int uc, i; 958 int x, y, wi, he; 959 960 wi = font->fontwidth; 961 he = font->fontheight; 962 963 if (!CHAR_IN_FONT(c, font)) 964 return; 965 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 966 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 967 x = ri->ri_xorigin + col * wi; 968 y = ri->ri_yorigin + row * he; 969 if (c == 0x20) { 970 pm2fb_rectfill(sc, x, y, wi, he, bg); 971 } else { 972 uc = c - font->firstchar; 973 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 974 975 mode = PM2RM_MASK_MIRROR; 976 switch (ri->ri_font->stride) { 977 case 1: 978 mode |= 3 << 7; 979 break; 980 case 2: 981 mode |= 2 << 7; 982 break; 983 } 984 985 pm2fb_wait(sc, 8); 986 987 bus_space_write_4(sc->sc_memt, sc->sc_regh, 988 PM2_RE_MODE, mode); 989 bus_space_write_4(sc->sc_memt, sc->sc_regh, 990 PM2_RE_CONFIG, PM2RECFG_WRITE_EN); 991 bus_space_write_4(sc->sc_memt, sc->sc_regh, 992 PM2_RE_BLOCK_COLOUR, bg); 993 bus_space_write_4(sc->sc_memt, sc->sc_regh, 994 PM2_RE_RECT_START, (y << 16) | x); 995 bus_space_write_4(sc->sc_memt, sc->sc_regh, 996 PM2_RE_RECT_SIZE, (he << 16) | wi); 997 bus_space_write_4(sc->sc_memt, sc->sc_regh, 998 PM2_RE_RENDER, 999 PM2RE_RECTANGLE | 1000 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 1001 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1002 PM2_RE_BLOCK_COLOUR, fg); 1003 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1004 PM2_RE_RENDER, 1005 PM2RE_RECTANGLE | PM2RE_SYNC_ON_MASK | 1006 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 1007 1008 pm2fb_wait(sc, he); 1009 switch (ri->ri_font->stride) { 1010 case 1: { 1011 uint8_t *data8 = data; 1012 uint32_t reg; 1013 for (i = 0; i < he; i++) { 1014 reg = *data8; 1015 bus_space_write_4(sc->sc_memt, 1016 sc->sc_regh, 1017 PM2_RE_BITMASK, reg); 1018 data8++; 1019 } 1020 break; 1021 } 1022 case 2: { 1023 uint16_t *data16 = data; 1024 uint32_t reg; 1025 for (i = 0; i < he; i++) { 1026 reg = *data16; 1027 bus_space_write_4(sc->sc_memt, 1028 sc->sc_regh, 1029 PM2_RE_BITMASK, reg); 1030 data16++; 1031 } 1032 break; 1033 } 1034 } 1035 } 1036 } 1037 } 1038 1039 static void 1040 pm2fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1041 { 1042 struct rasops_info *ri = cookie; 1043 struct wsdisplay_font *font = PICK_FONT(ri, c); 1044 struct vcons_screen *scr = ri->ri_hw; 1045 struct pm2fb_softc *sc = scr->scr_cookie; 1046 uint32_t bg, /*latch = 0,*/ bg8, fg8, pixel; 1047 int i, x, y, wi, he, r, g, b, aval; 1048 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1049 uint8_t *data8; 1050 int rv = GC_NOPE, cnt = 0; 1051 1052 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1053 return; 1054 1055 if (!CHAR_IN_FONT(c, font)) 1056 return; 1057 1058 wi = font->fontwidth; 1059 he = font->fontheight; 1060 1061 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1062 x = ri->ri_xorigin + col * wi; 1063 y = ri->ri_yorigin + row * he; 1064 if (c == 0x20) { 1065 pm2fb_rectfill(sc, x, y, wi, he, bg); 1066 return; 1067 } 1068 1069 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1070 if (rv == GC_OK) 1071 return; 1072 1073 data8 = WSFONT_GLYPH(c, font); 1074 1075 pm2fb_wait(sc, 5); 1076 #if 0 1077 /* 1078 * TODO: 1079 * - use packed mode here as well, instead of writing each pixel separately 1080 * - see if we can trick the chip into doing the alpha blending for us 1081 */ 1082 x = x >> 2; 1083 wi = (wi + 3) >> 2; 1084 #endif 1085 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 1086 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 1087 PM2RECFG_WRITE_EN /*| PM2RECFG_PACKED*/); 1088 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1089 PM2_RE_RECT_START, (y << 16) | x); 1090 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1091 PM2_RE_RECT_SIZE, (he << 16) | wi); 1092 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1093 PM2_RE_RENDER, 1094 PM2RE_RECTANGLE | PM2RE_SYNC_ON_HOST | 1095 PM2RE_INC_X | PM2RE_INC_Y); 1096 /* 1097 * we need the RGB colours here, so get offsets into rasops_cmap 1098 */ 1099 fgo = ((attr >> 24) & 0xf) * 3; 1100 bgo = ((attr >> 16) & 0xf) * 3; 1101 1102 r0 = rasops_cmap[bgo]; 1103 r1 = rasops_cmap[fgo]; 1104 g0 = rasops_cmap[bgo + 1]; 1105 g1 = rasops_cmap[fgo + 1]; 1106 b0 = rasops_cmap[bgo + 2]; 1107 b1 = rasops_cmap[fgo + 2]; 1108 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1109 bg8 = R3G3B2(r0, g0, b0); 1110 fg8 = R3G3B2(r1, g1, b1); 1111 1112 pm2fb_wait(sc, 200); 1113 1114 for (i = 0; i < ri->ri_fontscale; i++) { 1115 aval = *data8; 1116 if (aval == 0) { 1117 pixel = bg8; 1118 } else if (aval == 255) { 1119 pixel = fg8; 1120 } else { 1121 r = aval * r1 + (255 - aval) * r0; 1122 g = aval * g1 + (255 - aval) * g0; 1123 b = aval * b1 + (255 - aval) * b0; 1124 pixel = ((r & 0xe000) >> 8) | 1125 ((g & 0xe000) >> 11) | 1126 ((b & 0xc000) >> 14); 1127 } 1128 #if 0 1129 latch = (latch << 8) | pixel; 1130 /* write in 32bit chunks */ 1131 if ((i & 3) == 3) { 1132 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1133 PM2_RE_DATA, latch); 1134 /* 1135 * not strictly necessary, old data should be shifted 1136 * out 1137 */ 1138 latch = 0; 1139 cnt++; 1140 if (cnt > 190) { 1141 pm2fb_wait(sc, 200); 1142 cnt = 0; 1143 } 1144 } 1145 #else 1146 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1147 PM2_RE_COLOUR, pixel); 1148 1149 if (cnt > 190) { 1150 pm2fb_wait(sc, 200); 1151 cnt = 0; 1152 } 1153 #endif 1154 data8++; 1155 } 1156 #if 0 1157 /* if we have pixels left in latch write them out */ 1158 if ((i & 3) != 0) { 1159 latch = latch << ((4 - (i & 3)) << 3); 1160 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1161 PM2_RE_DATA, latch); 1162 } 1163 #endif 1164 1165 if (rv == GC_ADD) { 1166 glyphcache_add(&sc->sc_gc, c, x, y); 1167 } 1168 } 1169 1170 static void 1171 pm2fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1172 { 1173 struct rasops_info *ri = cookie; 1174 struct vcons_screen *scr = ri->ri_hw; 1175 struct pm2fb_softc *sc = scr->scr_cookie; 1176 int32_t xs, xd, y, width, height; 1177 1178 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1179 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1180 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1181 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1182 width = ri->ri_font->fontwidth * ncols; 1183 height = ri->ri_font->fontheight; 1184 pm2fb_bitblt(sc, xs, y, xd, y, width, height, 3); 1185 } 1186 } 1187 1188 static void 1189 pm2fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1190 { 1191 struct rasops_info *ri = cookie; 1192 struct vcons_screen *scr = ri->ri_hw; 1193 struct pm2fb_softc *sc = scr->scr_cookie; 1194 int32_t x, y, width, height, fg, bg, ul; 1195 1196 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1197 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1198 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1199 width = ri->ri_font->fontwidth * ncols; 1200 height = ri->ri_font->fontheight; 1201 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1202 1203 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1204 } 1205 } 1206 1207 static void 1208 pm2fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1209 { 1210 struct rasops_info *ri = cookie; 1211 struct vcons_screen *scr = ri->ri_hw; 1212 struct pm2fb_softc *sc = scr->scr_cookie; 1213 int32_t x, ys, yd, width, height; 1214 1215 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1216 x = ri->ri_xorigin; 1217 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1218 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1219 width = ri->ri_emuwidth; 1220 height = ri->ri_font->fontheight*nrows; 1221 pm2fb_bitblt(sc, x, ys, x, yd, width, height, 3); 1222 } 1223 } 1224 1225 static void 1226 pm2fb_eraserows(void *cookie, int row, int nrows, long fillattr) 1227 { 1228 struct rasops_info *ri = cookie; 1229 struct vcons_screen *scr = ri->ri_hw; 1230 struct pm2fb_softc *sc = scr->scr_cookie; 1231 int32_t x, y, width, height, fg, bg, ul; 1232 1233 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1234 x = ri->ri_xorigin; 1235 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1236 width = ri->ri_emuwidth; 1237 height = ri->ri_font->fontheight * nrows; 1238 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1239 1240 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1241 } 1242 } 1243 1244 /* 1245 * Permedia2 can't blit outside of 2048x2048, so reject anything higher 1246 * max. dot clock is probably too high 1247 */ 1248 1249 #define MODE_IS_VALID(m) (((m)->hdisplay < 2048) && \ 1250 ((m)->dot_clock < 230000)) 1251 1252 static void 1253 pm2_setup_i2c(struct pm2fb_softc *sc) 1254 { 1255 int i; 1256 #ifdef PM2FB_DEBUG 1257 int j; 1258 #endif 1259 1260 /* Fill in the i2c tag */ 1261 sc->sc_i2c.ic_cookie = sc; 1262 sc->sc_i2c.ic_acquire_bus = pm2fb_i2c_acquire_bus; 1263 sc->sc_i2c.ic_release_bus = pm2fb_i2c_release_bus; 1264 sc->sc_i2c.ic_send_start = pm2fb_i2c_send_start; 1265 sc->sc_i2c.ic_send_stop = pm2fb_i2c_send_stop; 1266 sc->sc_i2c.ic_initiate_xfer = pm2fb_i2c_initiate_xfer; 1267 sc->sc_i2c.ic_read_byte = pm2fb_i2c_read_byte; 1268 sc->sc_i2c.ic_write_byte = pm2fb_i2c_write_byte; 1269 sc->sc_i2c.ic_exec = NULL; 1270 1271 DPRINTF("data: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, 1272 PM2_DISPLAY_DATA)); 1273 1274 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, 0); 1275 1276 /* zero out the EDID buffer */ 1277 memset(sc->sc_edid_data, 0, 128); 1278 1279 /* Some monitors don't respond first time */ 1280 i = 0; 1281 while (sc->sc_edid_data[1] == 0 && i < 10) { 1282 ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); 1283 i++; 1284 } 1285 #ifdef PM2FB_DEBUG 1286 printf("i = %d\n", i); 1287 for (i = 0; i < 128; i += 16) { 1288 printf("%02x:", i); 1289 for (j = 0; j < 16; j++) 1290 printf(" %02x", sc->sc_edid_data[i + j]); 1291 printf("\n"); 1292 } 1293 #endif 1294 1295 if (edid_parse(&sc->sc_edid_data[0], &sc->sc_ei) != -1) { 1296 #ifdef PM2FB_DEBUG 1297 edid_print(&sc->sc_ei); 1298 #endif 1299 1300 /* 1301 * Now pick a mode. 1302 */ 1303 if ((sc->sc_ei.edid_preferred_mode != NULL)) { 1304 struct videomode *m = sc->sc_ei.edid_preferred_mode; 1305 if (MODE_IS_VALID(m)) { 1306 sc->sc_videomode = m; 1307 } else { 1308 aprint_error_dev(sc->sc_dev, 1309 "unable to use preferred mode\n"); 1310 } 1311 } 1312 /* 1313 * if we can't use the preferred mode go look for the 1314 * best one we can support 1315 */ 1316 if (sc->sc_videomode == NULL) { 1317 int n; 1318 struct videomode *m = sc->sc_ei.edid_modes; 1319 1320 sort_modes(sc->sc_ei.edid_modes, 1321 &sc->sc_ei.edid_preferred_mode, 1322 sc->sc_ei.edid_nmodes); 1323 while ((sc->sc_videomode == NULL) && 1324 (n < sc->sc_ei.edid_nmodes)) { 1325 if (MODE_IS_VALID(&m[n])) { 1326 sc->sc_videomode = &m[n]; 1327 } 1328 n++; 1329 } 1330 } 1331 } 1332 if (sc->sc_videomode == NULL) { 1333 /* no EDID data? */ 1334 sc->sc_videomode = pick_mode_by_ref(sc->sc_width, 1335 sc->sc_height, 60); 1336 } 1337 if (sc->sc_videomode != NULL) { 1338 pm2fb_set_mode(sc, sc->sc_videomode); 1339 } 1340 } 1341 1342 /* I2C bitbanging */ 1343 static void pm2fb_i2cbb_set_bits(void *cookie, uint32_t bits) 1344 { 1345 struct pm2fb_softc *sc = cookie; 1346 uint32_t out; 1347 1348 out = bits << 2; /* bitmasks match the IN bits */ 1349 1350 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, out); 1351 delay(100); 1352 } 1353 1354 static void pm2fb_i2cbb_set_dir(void *cookie, uint32_t dir) 1355 { 1356 /* Nothing to do */ 1357 } 1358 1359 static uint32_t pm2fb_i2cbb_read(void *cookie) 1360 { 1361 struct pm2fb_softc *sc = cookie; 1362 uint32_t bits; 1363 1364 bits = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA); 1365 return bits; 1366 } 1367 1368 /* higher level I2C stuff */ 1369 static int 1370 pm2fb_i2c_acquire_bus(void *cookie, int flags) 1371 { 1372 /* private bus */ 1373 return (0); 1374 } 1375 1376 static void 1377 pm2fb_i2c_release_bus(void *cookie, int flags) 1378 { 1379 /* private bus */ 1380 } 1381 1382 static int 1383 pm2fb_i2c_send_start(void *cookie, int flags) 1384 { 1385 return (i2c_bitbang_send_start(cookie, flags, &pm2fb_i2cbb_ops)); 1386 } 1387 1388 static int 1389 pm2fb_i2c_send_stop(void *cookie, int flags) 1390 { 1391 1392 return (i2c_bitbang_send_stop(cookie, flags, &pm2fb_i2cbb_ops)); 1393 } 1394 1395 static int 1396 pm2fb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) 1397 { 1398 1399 return (i2c_bitbang_initiate_xfer(cookie, addr, flags, 1400 &pm2fb_i2cbb_ops)); 1401 } 1402 1403 static int 1404 pm2fb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) 1405 { 1406 return (i2c_bitbang_read_byte(cookie, valp, flags, &pm2fb_i2cbb_ops)); 1407 } 1408 1409 static int 1410 pm2fb_i2c_write_byte(void *cookie, uint8_t val, int flags) 1411 { 1412 return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); 1413 } 1414 1415 #define RefClk 14318 /* all frequencies are in kHz */ 1416 static int 1417 pm2fb_set_pll(struct pm2fb_softc *sc, int freq) 1418 { 1419 int m, n, p, diff, out_freq, bm, bn, bp, bdiff = 1000000, bfreq; 1420 int fi; 1421 uint8_t temp; 1422 1423 /* 1424 * this should work on PM2V, PM2 needs something slightly different 1425 */ 1426 for (m = 1; m < 128; m++) { 1427 for (n = 2 * m + 1; n < 256; n++) { 1428 fi = RefClk * n / m; 1429 for (p = 0; p < 2; p++) { 1430 out_freq = fi >> (p + 1); 1431 diff = abs(out_freq - freq); 1432 if (diff < bdiff) { 1433 bdiff = diff; 1434 bfreq = out_freq; 1435 bm = m; 1436 bn = n; 1437 bp = p; 1438 } 1439 } 1440 } 1441 } 1442 DPRINTF("best: %d kHz ( %d off ), %d %d %d\n", bfreq, bdiff, bm, bn, bp); 1443 temp = pm2fb_read_dac(sc, PM2V_DAC_CLOCK_CONTROL) & 0xfc; 1444 pm2fb_write_dac(sc, PM2V_DAC_CONTROL, 0); 1445 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_M, bm); 1446 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_N, bn); 1447 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_P, bp); 1448 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_CONTROL, temp | 3); 1449 return 0; 1450 } 1451 1452 /* 1453 * most of the following was adapted from the xf86-video-glint driver's 1454 * pm2v_dac.c 1455 */ 1456 static void 1457 pm2fb_set_mode(struct pm2fb_softc *sc, const struct videomode *mode) 1458 { 1459 int t1, t2, t3, t4, stride; 1460 uint32_t vclk; 1461 uint8_t sync = 0; 1462 1463 t1 = mode->hsync_start - mode->hdisplay; 1464 t2 = mode->vsync_start - mode->vdisplay; 1465 t3 = mode->hsync_end - mode->hsync_start; 1466 t4 = mode->vsync_end - mode->vsync_start; 1467 1468 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HTOTAL, 1469 ((mode->htotal) >> 3) - 1); 1470 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_END, 1471 (t1 + t3) >> 3); 1472 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_START, 1473 (t1 >> 3) - 1); 1474 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HBLANK_END, 1475 (mode->htotal - mode->hdisplay) >> 3); 1476 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HGATE_END, 1477 (mode->htotal - mode->hdisplay) >> 3); 1478 1479 /* first round up to the next multiple of 32 */ 1480 stride = (mode->hdisplay + 31) & ~31; 1481 /* then find the next bigger one that we have partial products for */ 1482 while ((partprodPermedia[stride >> 5] == -1) && (stride < 2048)) { 1483 stride += 32; 1484 } 1485 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_STRIDE, 1486 stride >> 3); 1487 1488 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VTOTAL, 1489 mode->vtotal - 1); 1490 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_END, 1491 t2 + t4); 1492 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_START, 1493 t2); 1494 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VBLANK_END, 1495 mode->vtotal - mode->vdisplay); 1496 1497 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VIDEO_CONTROL, 1498 PM2_VC_VIDEO_ENABLE | PM2_VC_RAMDAC_64BIT | 1499 PM2_VC_HSYNC_ACT_HIGH | PM2_VC_VSYNC_ACT_HIGH); 1500 1501 vclk = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL); 1502 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL, 1503 vclk & 0xfffffffc); 1504 1505 pm2fb_set_pll(sc, mode->dot_clock / 2); 1506 pm2fb_write_dac(sc, PM2V_DAC_MISC_CONTROL, PM2V_DAC_8BIT); 1507 1508 if (mode->flags & VID_PHSYNC) 1509 sync |= PM2V_DAC_HSYNC_INV; 1510 if (mode->flags & VID_PVSYNC) 1511 sync |= PM2V_DAC_VSYNC_INV; 1512 pm2fb_write_dac(sc, PM2V_DAC_SYNC_CONTROL, sync); 1513 1514 pm2fb_write_dac(sc, PM2V_DAC_COLOR_FORMAT, PM2V_DAC_PALETTE); 1515 pm2fb_write_dac(sc, PM2V_DAC_PIXEL_SIZE, PM2V_PS_8BIT); 1516 sc->sc_width = mode->hdisplay; 1517 sc->sc_height = mode->vdisplay; 1518 sc->sc_depth = 8; 1519 sc->sc_stride = stride; 1520 aprint_normal_dev(sc->sc_dev, "using %d x %d in 8 bit, stride %d\n", 1521 sc->sc_width, sc->sc_height, stride); 1522 } 1523
Indexes created Tue Sep 30 06:09:59 GMT 2025