1 /* $NetBSD: pm2fb.c,v 1.11 2012/01/11 16:02:30 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 2009 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 1.11 2012/01/11 16:02:30 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 44 #include <dev/videomode/videomode.h> 45 46 #include <dev/pci/pcivar.h> 47 #include <dev/pci/pcireg.h> 48 #include <dev/pci/pcidevs.h> 49 #include <dev/pci/pciio.h> 50 #include <dev/pci/pm2reg.h> 51 52 #include <dev/wscons/wsdisplayvar.h> 53 #include <dev/wscons/wsconsio.h> 54 #include <dev/wsfont/wsfont.h> 55 #include <dev/rasops/rasops.h> 56 #include <dev/wscons/wsdisplay_vconsvar.h> 57 #include <dev/pci/wsdisplay_pci.h> 58 59 #include <dev/i2c/i2cvar.h> 60 #include <dev/i2c/i2c_bitbang.h> 61 #include <dev/i2c/ddcvar.h> 62 #include <dev/videomode/videomode.h> 63 #include <dev/videomode/edidvar.h> 64 #include <dev/videomode/edidreg.h> 65 66 #include "opt_pm2fb.h" 67 68 #ifdef PM2FB_DEBUG 69 #define DPRINTF aprint_error 70 #else 71 #define DPRINTF while (0) printf 72 #endif 73 74 struct pm2fb_softc { 75 device_t sc_dev; 76 77 pci_chipset_tag_t sc_pc; 78 pcitag_t sc_pcitag; 79 80 bus_space_tag_t sc_memt; 81 bus_space_tag_t sc_iot; 82 83 bus_space_handle_t sc_regh; 84 bus_addr_t sc_fb, sc_reg; 85 bus_size_t sc_fbsize, sc_regsize; 86 87 int sc_width, sc_height, sc_depth, sc_stride; 88 int sc_locked; 89 struct vcons_screen sc_console_screen; 90 struct wsscreen_descr sc_defaultscreen_descr; 91 const struct wsscreen_descr *sc_screens[1]; 92 struct wsscreen_list sc_screenlist; 93 struct vcons_data vd; 94 int sc_mode; 95 u_char sc_cmap_red[256]; 96 u_char sc_cmap_green[256]; 97 u_char sc_cmap_blue[256]; 98 /* engine stuff */ 99 uint32_t sc_pprod; 100 /* i2c stuff */ 101 struct i2c_controller sc_i2c; 102 uint8_t sc_edid_data[128]; 103 }; 104 105 static int pm2fb_match(device_t, cfdata_t, void *); 106 static void pm2fb_attach(device_t, device_t, void *); 107 108 CFATTACH_DECL_NEW(pm2fb, sizeof(struct pm2fb_softc), 109 pm2fb_match, pm2fb_attach, NULL, NULL); 110 111 extern const u_char rasops_cmap[768]; 112 113 static int pm2fb_ioctl(void *, void *, u_long, void *, int, 114 struct lwp *); 115 static paddr_t pm2fb_mmap(void *, void *, off_t, int); 116 static void pm2fb_init_screen(void *, struct vcons_screen *, int, long *); 117 118 static int pm2fb_putcmap(struct pm2fb_softc *, struct wsdisplay_cmap *); 119 static int pm2fb_getcmap(struct pm2fb_softc *, struct wsdisplay_cmap *); 120 static void pm2fb_restore_palette(struct pm2fb_softc *); 121 static int pm2fb_putpalreg(struct pm2fb_softc *, uint8_t, uint8_t, 122 uint8_t, uint8_t); 123 124 static void pm2fb_init(struct pm2fb_softc *); 125 static void pm2fb_flush_engine(struct pm2fb_softc *); 126 static void pm2fb_rectfill(struct pm2fb_softc *, int, int, int, int, 127 uint32_t); 128 static void pm2fb_bitblt(struct pm2fb_softc *, int, int, int, int, int, 129 int, int); 130 131 static void pm2fb_cursor(void *, int, int, int); 132 static void pm2fb_putchar(void *, int, int, u_int, long); 133 static void pm2fb_copycols(void *, int, int, int, int); 134 static void pm2fb_erasecols(void *, int, int, int, long); 135 static void pm2fb_copyrows(void *, int, int, int); 136 static void pm2fb_eraserows(void *, int, int, long); 137 138 struct wsdisplay_accessops pm2fb_accessops = { 139 pm2fb_ioctl, 140 pm2fb_mmap, 141 NULL, /* alloc_screen */ 142 NULL, /* free_screen */ 143 NULL, /* show_screen */ 144 NULL, /* load_font */ 145 NULL, /* pollc */ 146 NULL /* scroll */ 147 }; 148 149 /* I2C glue */ 150 static int pm2fb_i2c_acquire_bus(void *, int); 151 static void pm2fb_i2c_release_bus(void *, int); 152 static int pm2fb_i2c_send_start(void *, int); 153 static int pm2fb_i2c_send_stop(void *, int); 154 static int pm2fb_i2c_initiate_xfer(void *, i2c_addr_t, int); 155 static int pm2fb_i2c_read_byte(void *, uint8_t *, int); 156 static int pm2fb_i2c_write_byte(void *, uint8_t, int); 157 158 /* I2C bitbang glue */ 159 static void pm2fb_i2cbb_set_bits(void *, uint32_t); 160 static void pm2fb_i2cbb_set_dir(void *, uint32_t); 161 static uint32_t pm2fb_i2cbb_read(void *); 162 163 static void pm2_setup_i2c(struct pm2fb_softc *); 164 165 static const struct i2c_bitbang_ops pm2fb_i2cbb_ops = { 166 pm2fb_i2cbb_set_bits, 167 pm2fb_i2cbb_set_dir, 168 pm2fb_i2cbb_read, 169 { 170 PM2_DD_SDA_IN, 171 PM2_DD_SCL_IN, 172 0, 173 0 174 } 175 }; 176 177 static inline void 178 pm2fb_wait(struct pm2fb_softc *sc, int slots) 179 { 180 uint32_t reg; 181 182 do { 183 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 184 PM2_INPUT_FIFO_SPACE); 185 } while (reg <= slots); 186 } 187 188 static void 189 pm2fb_flush_engine(struct pm2fb_softc *sc) 190 { 191 192 pm2fb_wait(sc, 2); 193 194 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_FILTER_MODE, 195 PM2FLT_PASS_SYNC); 196 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SYNC, 0); 197 do { 198 while (bus_space_read_4(sc->sc_memt, sc->sc_regh, 199 PM2_OUTPUT_FIFO_WORDS) == 0); 200 } while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO) != 201 0x188); 202 } 203 204 static int 205 pm2fb_match(device_t parent, cfdata_t match, void *aux) 206 { 207 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 208 209 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) 210 return 0; 211 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3DLABS) 212 return 0; 213 214 /* only cards tested on so far - likely need a list */ 215 if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2) || 216 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2V)) 217 return 100; 218 return (0); 219 } 220 221 static void 222 pm2fb_attach(device_t parent, device_t self, void *aux) 223 { 224 struct pm2fb_softc *sc = device_private(self); 225 struct pci_attach_args *pa = aux; 226 struct rasops_info *ri; 227 char devinfo[256]; 228 struct wsemuldisplaydev_attach_args aa; 229 prop_dictionary_t dict; 230 unsigned long defattr; 231 bool is_console; 232 int i, j; 233 uint32_t flags; 234 235 sc->sc_pc = pa->pa_pc; 236 sc->sc_pcitag = pa->pa_tag; 237 sc->sc_memt = pa->pa_memt; 238 sc->sc_iot = pa->pa_iot; 239 sc->sc_dev = self; 240 241 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 242 aprint_normal(": %s\n", devinfo); 243 244 /* fill in parameters from properties */ 245 dict = device_properties(self); 246 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 247 aprint_error("%s: no width property\n", device_xname(self)); 248 return; 249 } 250 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 251 aprint_error("%s: no height property\n", device_xname(self)); 252 return; 253 } 254 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 255 aprint_error("%s: no depth property\n", device_xname(self)); 256 return; 257 } 258 /* 259 * don't look at the linebytes property - The Raptor firmware lies 260 * about it. Get it from width * depth >> 3 instead. 261 */ 262 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 263 264 prop_dictionary_get_bool(dict, "is_console", &is_console); 265 266 pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14, PCI_MAPREG_TYPE_MEM, 267 &sc->sc_fb, &sc->sc_fbsize, &flags); 268 269 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0, 270 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 271 aprint_error("%s: failed to map registers.\n", 272 device_xname(sc->sc_dev)); 273 } 274 275 /* 276 * XXX yeah, casting the fb address to uint32_t is formally wrong 277 * but as far as I know there are no PM2 with 64bit BARs 278 */ 279 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 280 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 281 282 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 283 "default", 284 0, 0, 285 NULL, 286 8, 16, 287 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 288 NULL 289 }; 290 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 291 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 292 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 293 sc->sc_locked = 0; 294 295 pm2_setup_i2c(sc); 296 297 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 298 &pm2fb_accessops); 299 sc->vd.init_screen = pm2fb_init_screen; 300 301 /* init engine here */ 302 pm2fb_init(sc); 303 304 ri = &sc->sc_console_screen.scr_ri; 305 306 j = 0; 307 for (i = 0; i < 256; i++) { 308 sc->sc_cmap_red[i] = rasops_cmap[j]; 309 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 310 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 311 pm2fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 312 rasops_cmap[j + 2]); 313 j += 3; 314 } 315 316 if (is_console) { 317 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 318 &defattr); 319 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 320 321 pm2fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 322 ri->ri_devcmap[(defattr >> 16) & 0xff]); 323 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 324 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 325 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 326 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 327 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 328 defattr); 329 vcons_replay_msgbuf(&sc->sc_console_screen); 330 } else { 331 /* 332 * since we're not the console we can postpone the rest 333 * until someone actually allocates a screen for us 334 */ 335 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 336 } 337 338 aa.console = is_console; 339 aa.scrdata = &sc->sc_screenlist; 340 aa.accessops = &pm2fb_accessops; 341 aa.accesscookie = &sc->vd; 342 343 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 344 } 345 346 static int 347 pm2fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 348 struct lwp *l) 349 { 350 struct vcons_data *vd = v; 351 struct pm2fb_softc *sc = vd->cookie; 352 struct wsdisplay_fbinfo *wdf; 353 struct vcons_screen *ms = vd->active; 354 355 switch (cmd) { 356 case WSDISPLAYIO_GTYPE: 357 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 358 return 0; 359 360 /* PCI config read/write passthrough. */ 361 case PCI_IOC_CFGREAD: 362 case PCI_IOC_CFGWRITE: 363 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 364 cmd, data, flag, l); 365 366 case WSDISPLAYIO_GET_BUSID: 367 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, 368 sc->sc_pcitag, data); 369 370 case WSDISPLAYIO_GINFO: 371 if (ms == NULL) 372 return ENODEV; 373 wdf = (void *)data; 374 wdf->height = ms->scr_ri.ri_height; 375 wdf->width = ms->scr_ri.ri_width; 376 wdf->depth = ms->scr_ri.ri_depth; 377 wdf->cmsize = 256; 378 return 0; 379 380 case WSDISPLAYIO_GETCMAP: 381 return pm2fb_getcmap(sc, 382 (struct wsdisplay_cmap *)data); 383 384 case WSDISPLAYIO_PUTCMAP: 385 return pm2fb_putcmap(sc, 386 (struct wsdisplay_cmap *)data); 387 388 case WSDISPLAYIO_LINEBYTES: 389 *(u_int *)data = sc->sc_stride; 390 return 0; 391 392 case WSDISPLAYIO_SMODE: { 393 int new_mode = *(int*)data; 394 if (new_mode != sc->sc_mode) { 395 sc->sc_mode = new_mode; 396 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 397 pm2fb_restore_palette(sc); 398 vcons_redraw_screen(ms); 399 } else 400 pm2fb_flush_engine(sc); 401 } 402 } 403 return 0; 404 case WSDISPLAYIO_GET_EDID: { 405 struct wsdisplayio_edid_info *d = data; 406 d->data_size = 128; 407 if (d->buffer_size < 128) 408 return EAGAIN; 409 return copyout(sc->sc_edid_data, d->edid_data, 128); 410 } 411 } 412 return EPASSTHROUGH; 413 } 414 415 static paddr_t 416 pm2fb_mmap(void *v, void *vs, off_t offset, int prot) 417 { 418 struct vcons_data *vd = v; 419 struct pm2fb_softc *sc = vd->cookie; 420 paddr_t pa; 421 422 /* 'regular' framebuffer mmap()ing */ 423 if (offset < sc->sc_fbsize) { 424 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 425 BUS_SPACE_MAP_LINEAR); 426 return pa; 427 } 428 429 /* 430 * restrict all other mappings to processes with superuser privileges 431 * or the kernel itself 432 */ 433 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 434 NULL) != 0) { 435 aprint_normal("%s: mmap() rejected.\n", 436 device_xname(sc->sc_dev)); 437 return -1; 438 } 439 440 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 441 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 442 BUS_SPACE_MAP_LINEAR); 443 return pa; 444 } 445 446 if ((offset >= sc->sc_reg) && 447 (offset < (sc->sc_reg + sc->sc_regsize))) { 448 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 449 BUS_SPACE_MAP_LINEAR); 450 return pa; 451 } 452 453 #ifdef PCI_MAGIC_IO_RANGE 454 /* allow mapping of IO space */ 455 if ((offset >= PCI_MAGIC_IO_RANGE) && 456 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 457 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 458 0, prot, BUS_SPACE_MAP_LINEAR); 459 return pa; 460 } 461 #endif 462 463 return -1; 464 } 465 466 static void 467 pm2fb_init_screen(void *cookie, struct vcons_screen *scr, 468 int existing, long *defattr) 469 { 470 struct pm2fb_softc *sc = cookie; 471 struct rasops_info *ri = &scr->scr_ri; 472 473 ri->ri_depth = sc->sc_depth; 474 ri->ri_width = sc->sc_width; 475 ri->ri_height = sc->sc_height; 476 ri->ri_stride = sc->sc_stride; 477 ri->ri_flg = RI_CENTER; 478 479 rasops_init(ri, 0, 0); 480 ri->ri_caps = WSSCREEN_WSCOLORS; 481 482 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 483 sc->sc_width / ri->ri_font->fontwidth); 484 485 ri->ri_hw = scr; 486 ri->ri_ops.copyrows = pm2fb_copyrows; 487 ri->ri_ops.copycols = pm2fb_copycols; 488 ri->ri_ops.cursor = pm2fb_cursor; 489 ri->ri_ops.eraserows = pm2fb_eraserows; 490 ri->ri_ops.erasecols = pm2fb_erasecols; 491 ri->ri_ops.putchar = pm2fb_putchar; 492 } 493 494 static int 495 pm2fb_putcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 496 { 497 u_char *r, *g, *b; 498 u_int index = cm->index; 499 u_int count = cm->count; 500 int i, error; 501 u_char rbuf[256], gbuf[256], bbuf[256]; 502 503 #ifdef PM2FB_DEBUG 504 aprint_debug("putcmap: %d %d\n",index, count); 505 #endif 506 if (cm->index >= 256 || cm->count > 256 || 507 (cm->index + cm->count) > 256) 508 return EINVAL; 509 error = copyin(cm->red, &rbuf[index], count); 510 if (error) 511 return error; 512 error = copyin(cm->green, &gbuf[index], count); 513 if (error) 514 return error; 515 error = copyin(cm->blue, &bbuf[index], count); 516 if (error) 517 return error; 518 519 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 520 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 521 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 522 523 r = &sc->sc_cmap_red[index]; 524 g = &sc->sc_cmap_green[index]; 525 b = &sc->sc_cmap_blue[index]; 526 527 for (i = 0; i < count; i++) { 528 pm2fb_putpalreg(sc, index, *r, *g, *b); 529 index++; 530 r++, g++, b++; 531 } 532 return 0; 533 } 534 535 static int 536 pm2fb_getcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 537 { 538 u_int index = cm->index; 539 u_int count = cm->count; 540 int error; 541 542 if (index >= 255 || count > 256 || index + count > 256) 543 return EINVAL; 544 545 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 546 if (error) 547 return error; 548 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 549 if (error) 550 return error; 551 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 552 if (error) 553 return error; 554 555 return 0; 556 } 557 558 static void 559 pm2fb_restore_palette(struct pm2fb_softc *sc) 560 { 561 int i; 562 563 for (i = 0; i < (1 << sc->sc_depth); i++) { 564 pm2fb_putpalreg(sc, i, sc->sc_cmap_red[i], 565 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 566 } 567 } 568 569 static int 570 pm2fb_putpalreg(struct pm2fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 571 uint8_t b) 572 { 573 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, idx); 574 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, r); 575 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, g); 576 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, b); 577 return 0; 578 } 579 580 static void 581 pm2fb_init(struct pm2fb_softc *sc) 582 { 583 pm2fb_flush_engine(sc); 584 585 pm2fb_wait(sc, 8); 586 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_BASE, 0); 587 #if 0 588 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_BYPASS_MASK, 589 0xffffffff); 590 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_WRITE_MASK, 591 0xffffffff); 592 #endif 593 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HW_WRITEMASK, 594 0xffffffff); 595 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SW_WRITEMASK, 596 0xffffffff); 597 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WRITE_MODE, 598 PM2WM_WRITE_EN); 599 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 600 (sc->sc_height << 16) | sc->sc_width); 601 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MODE, 602 PM2SC_SCREEN_EN); 603 pm2fb_wait(sc, 8); 604 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); 605 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); 606 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 607 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_COLOUR_MODE, 0); 608 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_ADDRESS_MODE, 0); 609 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_READ_MODE, 0); 610 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_LUT_MODE, 0); 611 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_YUV_MODE, 0); 612 pm2fb_wait(sc, 8); 613 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH_MODE, 0); 614 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH, 0); 615 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STENCIL_MODE, 0); 616 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STIPPLE_MODE, 0); 617 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ROP_MODE, 0); 618 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WINDOW_ORIGIN, 0); 619 sc->sc_pprod = bus_space_read_4(sc->sc_memt, sc->sc_regh, 620 PM2_FB_READMODE) & 621 (PM2FB_PP0_MASK | PM2FB_PP1_MASK | PM2FB_PP2_MASK); 622 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE, 623 sc->sc_pprod); 624 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEXMAP_FORMAT, 625 sc->sc_pprod); 626 pm2fb_wait(sc, 8); 627 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DY, 1 << 16); 628 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DXDOM, 0); 629 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXDOM, 0); 630 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXSUB, 0); 631 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTY, 0); 632 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COUNT, 0); 633 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MINYX, 0); 634 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MAXYX, 635 0x0fff0fff); 636 pm2fb_flush_engine(sc); 637 } 638 639 static void 640 pm2fb_rectfill(struct pm2fb_softc *sc, int x, int y, int wi, int he, 641 uint32_t colour) 642 { 643 644 pm2fb_wait(sc, 7); 645 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 646 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 647 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 648 PM2RECFG_WRITE_EN); 649 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, 650 colour); 651 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 652 (y << 16) | x); 653 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 654 (he << 16) | wi); 655 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 656 PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 657 } 658 659 static void 660 pm2fb_bitblt(struct pm2fb_softc *sc, int xs, int ys, int xd, int yd, 661 int wi, int he, int rop) 662 { 663 uint32_t dir = 0; 664 665 if (yd <= ys) { 666 dir |= PM2RE_INC_Y; 667 } 668 if (xd <= xs) { 669 dir |= PM2RE_INC_X; 670 } 671 pm2fb_wait(sc, 7); 672 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 673 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 674 if (rop == 3) { 675 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 676 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | PM2RECFG_ROP_EN | 677 PM2RECFG_PACKED | (rop << 6)); 678 } else { 679 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 680 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | PM2RECFG_WRITE_EN | 681 PM2RECFG_PACKED | PM2RECFG_ROP_EN | (rop << 6)); 682 } 683 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 684 (yd << 16) | xd); 685 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 686 (he << 16) | wi); 687 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SOURCE_DELTA, 688 (((ys - yd) & 0xfff) << 16) | ((xs - xd) & 0xfff)); 689 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 690 PM2RE_RECTANGLE | dir); 691 } 692 693 static void 694 pm2fb_cursor(void *cookie, int on, int row, int col) 695 { 696 struct rasops_info *ri = cookie; 697 struct vcons_screen *scr = ri->ri_hw; 698 struct pm2fb_softc *sc = scr->scr_cookie; 699 int x, y, wi, he; 700 701 wi = ri->ri_font->fontwidth; 702 he = ri->ri_font->fontheight; 703 704 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 705 x = ri->ri_ccol * wi + ri->ri_xorigin; 706 y = ri->ri_crow * he + ri->ri_yorigin; 707 if (ri->ri_flg & RI_CURSOR) { 708 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 709 ri->ri_flg &= ~RI_CURSOR; 710 } 711 ri->ri_crow = row; 712 ri->ri_ccol = col; 713 if (on) { 714 x = ri->ri_ccol * wi + ri->ri_xorigin; 715 y = ri->ri_crow * he + ri->ri_yorigin; 716 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 717 ri->ri_flg |= RI_CURSOR; 718 } 719 } else { 720 scr->scr_ri.ri_crow = row; 721 scr->scr_ri.ri_ccol = col; 722 scr->scr_ri.ri_flg &= ~RI_CURSOR; 723 } 724 725 } 726 727 static void 728 pm2fb_putchar(void *cookie, int row, int col, u_int c, long attr) 729 { 730 struct rasops_info *ri = cookie; 731 struct wsdisplay_font *font = PICK_FONT(ri, c); 732 struct vcons_screen *scr = ri->ri_hw; 733 struct pm2fb_softc *sc = scr->scr_cookie; 734 uint32_t mode; 735 736 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 737 void *data; 738 uint32_t fg, bg; 739 int uc, i; 740 int x, y, wi, he; 741 742 wi = font->fontwidth; 743 he = font->fontheight; 744 745 if (!CHAR_IN_FONT(c, font)) 746 return; 747 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 748 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 749 x = ri->ri_xorigin + col * wi; 750 y = ri->ri_yorigin + row * he; 751 if (c == 0x20) { 752 pm2fb_rectfill(sc, x, y, wi, he, bg); 753 } else { 754 uc = c - font->firstchar; 755 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 756 757 mode = PM2RM_MASK_MIRROR; 758 switch (ri->ri_font->stride) { 759 case 1: 760 mode |= 3 << 7; 761 break; 762 case 2: 763 mode |= 2 << 7; 764 break; 765 } 766 767 pm2fb_wait(sc, 8); 768 769 bus_space_write_4(sc->sc_memt, sc->sc_regh, 770 PM2_RE_MODE, mode); 771 bus_space_write_4(sc->sc_memt, sc->sc_regh, 772 PM2_RE_CONFIG, PM2RECFG_WRITE_EN); 773 bus_space_write_4(sc->sc_memt, sc->sc_regh, 774 PM2_RE_BLOCK_COLOUR, bg); 775 bus_space_write_4(sc->sc_memt, sc->sc_regh, 776 PM2_RE_RECT_START, (y << 16) | x); 777 bus_space_write_4(sc->sc_memt, sc->sc_regh, 778 PM2_RE_RECT_SIZE, (he << 16) | wi); 779 bus_space_write_4(sc->sc_memt, sc->sc_regh, 780 PM2_RE_RENDER, 781 PM2RE_RECTANGLE | 782 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 783 bus_space_write_4(sc->sc_memt, sc->sc_regh, 784 PM2_RE_BLOCK_COLOUR, fg); 785 bus_space_write_4(sc->sc_memt, sc->sc_regh, 786 PM2_RE_RENDER, 787 PM2RE_RECTANGLE | PM2RE_SYNC_ON_MASK | 788 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 789 790 pm2fb_wait(sc, he); 791 switch (ri->ri_font->stride) { 792 case 1: { 793 uint8_t *data8 = data; 794 uint32_t reg; 795 for (i = 0; i < he; i++) { 796 reg = *data8; 797 bus_space_write_4(sc->sc_memt, 798 sc->sc_regh, 799 PM2_RE_BITMASK, reg); 800 data8++; 801 } 802 break; 803 } 804 case 2: { 805 uint16_t *data16 = data; 806 uint32_t reg; 807 for (i = 0; i < he; i++) { 808 reg = *data16; 809 bus_space_write_4(sc->sc_memt, 810 sc->sc_regh, 811 PM2_RE_BITMASK, reg); 812 data16++; 813 } 814 break; 815 } 816 } 817 } 818 } 819 } 820 821 static void 822 pm2fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 823 { 824 struct rasops_info *ri = cookie; 825 struct vcons_screen *scr = ri->ri_hw; 826 struct pm2fb_softc *sc = scr->scr_cookie; 827 int32_t xs, xd, y, width, height; 828 829 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 830 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 831 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 832 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 833 width = ri->ri_font->fontwidth * ncols; 834 height = ri->ri_font->fontheight; 835 pm2fb_bitblt(sc, xs, y, xd, y, width, height, 3); 836 } 837 } 838 839 static void 840 pm2fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 841 { 842 struct rasops_info *ri = cookie; 843 struct vcons_screen *scr = ri->ri_hw; 844 struct pm2fb_softc *sc = scr->scr_cookie; 845 int32_t x, y, width, height, fg, bg, ul; 846 847 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 848 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 849 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 850 width = ri->ri_font->fontwidth * ncols; 851 height = ri->ri_font->fontheight; 852 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 853 854 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 855 } 856 } 857 858 static void 859 pm2fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 860 { 861 struct rasops_info *ri = cookie; 862 struct vcons_screen *scr = ri->ri_hw; 863 struct pm2fb_softc *sc = scr->scr_cookie; 864 int32_t x, ys, yd, width, height; 865 866 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 867 x = ri->ri_xorigin; 868 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 869 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 870 width = ri->ri_emuwidth; 871 height = ri->ri_font->fontheight*nrows; 872 pm2fb_bitblt(sc, x, ys, x, yd, width, height, 3); 873 } 874 } 875 876 static void 877 pm2fb_eraserows(void *cookie, int row, int nrows, long fillattr) 878 { 879 struct rasops_info *ri = cookie; 880 struct vcons_screen *scr = ri->ri_hw; 881 struct pm2fb_softc *sc = scr->scr_cookie; 882 int32_t x, y, width, height, fg, bg, ul; 883 884 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 885 x = ri->ri_xorigin; 886 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 887 width = ri->ri_emuwidth; 888 height = ri->ri_font->fontheight * nrows; 889 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 890 891 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 892 } 893 } 894 895 static void 896 pm2_setup_i2c(struct pm2fb_softc *sc) 897 { 898 #ifdef PM2FB_DEBUG 899 struct edid_info ei; 900 #endif 901 int i; 902 903 /* Fill in the i2c tag */ 904 sc->sc_i2c.ic_cookie = sc; 905 sc->sc_i2c.ic_acquire_bus = pm2fb_i2c_acquire_bus; 906 sc->sc_i2c.ic_release_bus = pm2fb_i2c_release_bus; 907 sc->sc_i2c.ic_send_start = pm2fb_i2c_send_start; 908 sc->sc_i2c.ic_send_stop = pm2fb_i2c_send_stop; 909 sc->sc_i2c.ic_initiate_xfer = pm2fb_i2c_initiate_xfer; 910 sc->sc_i2c.ic_read_byte = pm2fb_i2c_read_byte; 911 sc->sc_i2c.ic_write_byte = pm2fb_i2c_write_byte; 912 sc->sc_i2c.ic_exec = NULL; 913 914 DPRINTF("data: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, 915 PM2_DISPLAY_DATA)); 916 917 /* make sure we're in i2c mode */ 918 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, 0); 919 920 /* zero out the EDID buffer */ 921 memset(sc->sc_edid_data, 0, 128); 922 923 /* Some monitors don't respond first time */ 924 i = 0; 925 while (sc->sc_edid_data[1] == 0 && i++ < 3) 926 ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); 927 #ifdef PM2FB_DEBUG 928 if (edid_parse(&sc->sc_edid_data[0], &ei) != -1) { 929 edid_print(&ei); 930 } 931 #endif 932 } 933 934 /* I2C bitbanging */ 935 static void pm2fb_i2cbb_set_bits(void *cookie, uint32_t bits) 936 { 937 struct pm2fb_softc *sc = cookie; 938 uint32_t out; 939 940 out = bits << 2; /* bitmasks match the IN bits */ 941 942 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, out); 943 } 944 945 static void pm2fb_i2cbb_set_dir(void *cookie, uint32_t dir) 946 { 947 /* Nothing to do */ 948 } 949 950 static uint32_t pm2fb_i2cbb_read(void *cookie) 951 { 952 struct pm2fb_softc *sc = cookie; 953 uint32_t bits; 954 955 bits = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA); 956 957 return bits; 958 } 959 960 /* higher level I2C stuff */ 961 static int 962 pm2fb_i2c_acquire_bus(void *cookie, int flags) 963 { 964 /* private bus */ 965 return (0); 966 } 967 968 static void 969 pm2fb_i2c_release_bus(void *cookie, int flags) 970 { 971 /* private bus */ 972 } 973 974 static int 975 pm2fb_i2c_send_start(void *cookie, int flags) 976 { 977 return (i2c_bitbang_send_start(cookie, flags, &pm2fb_i2cbb_ops)); 978 } 979 980 static int 981 pm2fb_i2c_send_stop(void *cookie, int flags) 982 { 983 984 return (i2c_bitbang_send_stop(cookie, flags, &pm2fb_i2cbb_ops)); 985 } 986 987 static int 988 pm2fb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) 989 { 990 991 return (i2c_bitbang_initiate_xfer(cookie, addr, flags, 992 &pm2fb_i2cbb_ops)); 993 } 994 995 static int 996 pm2fb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) 997 { 998 return (i2c_bitbang_read_byte(cookie, valp, flags, &pm2fb_i2cbb_ops)); 999 } 1000 1001 static int 1002 pm2fb_i2c_write_byte(void *cookie, uint8_t val, int flags) 1003 { 1004 return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); 1005 } 1006