pm2fb.c revision 1.9
1 /* $NetBSD: pm2fb.c,v 1.9 2011/11/24 05:53:05 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 1.9 2011/11/24 05:53:05 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 < (1 << sc->sc_depth); i++) { 308 309 sc->sc_cmap_red[i] = rasops_cmap[j]; 310 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 311 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 312 pm2fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 313 rasops_cmap[j + 2]); 314 j += 3; 315 } 316 317 if (is_console) { 318 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 319 &defattr); 320 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 321 322 pm2fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 323 ri->ri_devcmap[(defattr >> 16) & 0xff]); 324 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 325 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 326 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 327 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 328 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 329 defattr); 330 vcons_replay_msgbuf(&sc->sc_console_screen); 331 } else { 332 /* 333 * since we're not the console we can postpone the rest 334 * until someone actually allocates a screen for us 335 */ 336 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 337 } 338 339 aa.console = is_console; 340 aa.scrdata = &sc->sc_screenlist; 341 aa.accessops = &pm2fb_accessops; 342 aa.accesscookie = &sc->vd; 343 344 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 345 } 346 347 static int 348 pm2fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 349 struct lwp *l) 350 { 351 struct vcons_data *vd = v; 352 struct pm2fb_softc *sc = vd->cookie; 353 struct wsdisplay_fbinfo *wdf; 354 struct vcons_screen *ms = vd->active; 355 356 switch (cmd) { 357 case WSDISPLAYIO_GTYPE: 358 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 359 return 0; 360 361 /* PCI config read/write passthrough. */ 362 case PCI_IOC_CFGREAD: 363 case PCI_IOC_CFGWRITE: 364 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 365 cmd, data, flag, l); 366 367 case WSDISPLAYIO_GET_BUSID: 368 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, 369 sc->sc_pcitag, data); 370 371 case WSDISPLAYIO_GINFO: 372 if (ms == NULL) 373 return ENODEV; 374 wdf = (void *)data; 375 wdf->height = ms->scr_ri.ri_height; 376 wdf->width = ms->scr_ri.ri_width; 377 wdf->depth = ms->scr_ri.ri_depth; 378 wdf->cmsize = 256; 379 return 0; 380 381 case WSDISPLAYIO_GETCMAP: 382 return pm2fb_getcmap(sc, 383 (struct wsdisplay_cmap *)data); 384 385 case WSDISPLAYIO_PUTCMAP: 386 return pm2fb_putcmap(sc, 387 (struct wsdisplay_cmap *)data); 388 389 case WSDISPLAYIO_LINEBYTES: 390 *(u_int *)data = sc->sc_stride; 391 return 0; 392 393 case WSDISPLAYIO_SMODE: { 394 int new_mode = *(int*)data; 395 if (new_mode != sc->sc_mode) { 396 sc->sc_mode = new_mode; 397 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 398 pm2fb_restore_palette(sc); 399 vcons_redraw_screen(ms); 400 } else 401 pm2fb_flush_engine(sc); 402 } 403 } 404 return 0; 405 case WSDISPLAYIO_GET_EDID: { 406 struct wsdisplayio_edid_info *d = data; 407 d->data_size = 128; 408 if (d->buffer_size < 128) 409 return EAGAIN; 410 return copyout(sc->sc_edid_data, d->edid_data, 128); 411 } 412 } 413 return EPASSTHROUGH; 414 } 415 416 static paddr_t 417 pm2fb_mmap(void *v, void *vs, off_t offset, int prot) 418 { 419 struct vcons_data *vd = v; 420 struct pm2fb_softc *sc = vd->cookie; 421 paddr_t pa; 422 423 /* 'regular' framebuffer mmap()ing */ 424 if (offset < sc->sc_fbsize) { 425 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 426 BUS_SPACE_MAP_LINEAR); 427 return pa; 428 } 429 430 /* 431 * restrict all other mappings to processes with superuser privileges 432 * or the kernel itself 433 */ 434 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 435 NULL) != 0) { 436 aprint_normal("%s: mmap() rejected.\n", 437 device_xname(sc->sc_dev)); 438 return -1; 439 } 440 441 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 442 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 443 BUS_SPACE_MAP_LINEAR); 444 return pa; 445 } 446 447 if ((offset >= sc->sc_reg) && 448 (offset < (sc->sc_reg + sc->sc_regsize))) { 449 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 450 BUS_SPACE_MAP_LINEAR); 451 return pa; 452 } 453 454 #ifdef PCI_MAGIC_IO_RANGE 455 /* allow mapping of IO space */ 456 if ((offset >= PCI_MAGIC_IO_RANGE) && 457 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 458 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 459 0, prot, BUS_SPACE_MAP_LINEAR); 460 return pa; 461 } 462 #endif 463 464 return -1; 465 } 466 467 static void 468 pm2fb_init_screen(void *cookie, struct vcons_screen *scr, 469 int existing, long *defattr) 470 { 471 struct pm2fb_softc *sc = cookie; 472 struct rasops_info *ri = &scr->scr_ri; 473 474 ri->ri_depth = sc->sc_depth; 475 ri->ri_width = sc->sc_width; 476 ri->ri_height = sc->sc_height; 477 ri->ri_stride = sc->sc_stride; 478 ri->ri_flg = RI_CENTER; 479 480 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 481 ri->ri_caps = WSSCREEN_WSCOLORS; 482 483 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 484 sc->sc_width / ri->ri_font->fontwidth); 485 486 ri->ri_hw = scr; 487 ri->ri_ops.copyrows = pm2fb_copyrows; 488 ri->ri_ops.copycols = pm2fb_copycols; 489 ri->ri_ops.cursor = pm2fb_cursor; 490 ri->ri_ops.eraserows = pm2fb_eraserows; 491 ri->ri_ops.erasecols = pm2fb_erasecols; 492 ri->ri_ops.putchar = pm2fb_putchar; 493 } 494 495 static int 496 pm2fb_putcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 497 { 498 u_char *r, *g, *b; 499 u_int index = cm->index; 500 u_int count = cm->count; 501 int i, error; 502 u_char rbuf[256], gbuf[256], bbuf[256]; 503 504 #ifdef PM2FB_DEBUG 505 aprint_debug("putcmap: %d %d\n",index, count); 506 #endif 507 if (cm->index >= 256 || cm->count > 256 || 508 (cm->index + cm->count) > 256) 509 return EINVAL; 510 error = copyin(cm->red, &rbuf[index], count); 511 if (error) 512 return error; 513 error = copyin(cm->green, &gbuf[index], count); 514 if (error) 515 return error; 516 error = copyin(cm->blue, &bbuf[index], count); 517 if (error) 518 return error; 519 520 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 521 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 522 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 523 524 r = &sc->sc_cmap_red[index]; 525 g = &sc->sc_cmap_green[index]; 526 b = &sc->sc_cmap_blue[index]; 527 528 for (i = 0; i < count; i++) { 529 pm2fb_putpalreg(sc, index, *r, *g, *b); 530 index++; 531 r++, g++, b++; 532 } 533 return 0; 534 } 535 536 static int 537 pm2fb_getcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 538 { 539 u_int index = cm->index; 540 u_int count = cm->count; 541 int error; 542 543 if (index >= 255 || count > 256 || index + count > 256) 544 return EINVAL; 545 546 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 547 if (error) 548 return error; 549 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 550 if (error) 551 return error; 552 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 553 if (error) 554 return error; 555 556 return 0; 557 } 558 559 static void 560 pm2fb_restore_palette(struct pm2fb_softc *sc) 561 { 562 int i; 563 564 for (i = 0; i < (1 << sc->sc_depth); i++) { 565 pm2fb_putpalreg(sc, i, sc->sc_cmap_red[i], 566 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 567 } 568 } 569 570 static int 571 pm2fb_putpalreg(struct pm2fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 572 uint8_t b) 573 { 574 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, idx); 575 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, r); 576 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, g); 577 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, b); 578 return 0; 579 } 580 581 static void 582 pm2fb_init(struct pm2fb_softc *sc) 583 { 584 pm2fb_flush_engine(sc); 585 586 pm2fb_wait(sc, 8); 587 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_BASE, 0); 588 #if 0 589 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_BYPASS_MASK, 590 0xffffffff); 591 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_WRITE_MASK, 592 0xffffffff); 593 #endif 594 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HW_WRITEMASK, 595 0xffffffff); 596 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SW_WRITEMASK, 597 0xffffffff); 598 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WRITE_MODE, 599 PM2WM_WRITE_EN); 600 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 601 (sc->sc_height << 16) | sc->sc_width); 602 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MODE, 603 PM2SC_SCREEN_EN); 604 pm2fb_wait(sc, 8); 605 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); 606 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); 607 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 608 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_COLOUR_MODE, 0); 609 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_ADDRESS_MODE, 0); 610 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_READ_MODE, 0); 611 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_LUT_MODE, 0); 612 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_YUV_MODE, 0); 613 pm2fb_wait(sc, 8); 614 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH_MODE, 0); 615 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH, 0); 616 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STENCIL_MODE, 0); 617 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STIPPLE_MODE, 0); 618 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ROP_MODE, 0); 619 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WINDOW_ORIGIN, 0); 620 sc->sc_pprod = bus_space_read_4(sc->sc_memt, sc->sc_regh, 621 PM2_FB_READMODE) & 622 (PM2FB_PP0_MASK | PM2FB_PP1_MASK | PM2FB_PP2_MASK); 623 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE, 624 sc->sc_pprod); 625 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEXMAP_FORMAT, 626 sc->sc_pprod); 627 pm2fb_wait(sc, 8); 628 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DY, 1 << 16); 629 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DXDOM, 0); 630 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXDOM, 0); 631 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXSUB, 0); 632 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTY, 0); 633 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COUNT, 0); 634 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MINYX, 0); 635 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MAXYX, 636 0x0fff0fff); 637 pm2fb_flush_engine(sc); 638 } 639 640 static void 641 pm2fb_rectfill(struct pm2fb_softc *sc, int x, int y, int wi, int he, 642 uint32_t colour) 643 { 644 645 pm2fb_wait(sc, 7); 646 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 647 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 648 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 649 PM2RECFG_WRITE_EN); 650 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, 651 colour); 652 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 653 (y << 16) | x); 654 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 655 (he << 16) | wi); 656 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 657 PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 658 } 659 660 static void 661 pm2fb_bitblt(struct pm2fb_softc *sc, int xs, int ys, int xd, int yd, 662 int wi, int he, int rop) 663 { 664 uint32_t dir = 0; 665 666 if (yd <= ys) { 667 dir |= PM2RE_INC_Y; 668 } 669 if (xd <= xs) { 670 dir |= PM2RE_INC_X; 671 } 672 pm2fb_wait(sc, 7); 673 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 674 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 675 if (rop == 3) { 676 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 677 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | PM2RECFG_ROP_EN | 678 PM2RECFG_PACKED | (rop << 6)); 679 } else { 680 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 681 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | PM2RECFG_WRITE_EN | 682 PM2RECFG_PACKED | PM2RECFG_ROP_EN | (rop << 6)); 683 } 684 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 685 (yd << 16) | xd); 686 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 687 (he << 16) | wi); 688 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SOURCE_DELTA, 689 (((ys - yd) & 0xfff) << 16) | ((xs - xd) & 0xfff)); 690 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 691 PM2RE_RECTANGLE | dir); 692 } 693 694 static void 695 pm2fb_cursor(void *cookie, int on, int row, int col) 696 { 697 struct rasops_info *ri = cookie; 698 struct vcons_screen *scr = ri->ri_hw; 699 struct pm2fb_softc *sc = scr->scr_cookie; 700 int x, y, wi, he; 701 702 wi = ri->ri_font->fontwidth; 703 he = ri->ri_font->fontheight; 704 705 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 706 x = ri->ri_ccol * wi + ri->ri_xorigin; 707 y = ri->ri_crow * he + ri->ri_yorigin; 708 if (ri->ri_flg & RI_CURSOR) { 709 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 710 ri->ri_flg &= ~RI_CURSOR; 711 } 712 ri->ri_crow = row; 713 ri->ri_ccol = col; 714 if (on) { 715 x = ri->ri_ccol * wi + ri->ri_xorigin; 716 y = ri->ri_crow * he + ri->ri_yorigin; 717 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 718 ri->ri_flg |= RI_CURSOR; 719 } 720 } else { 721 scr->scr_ri.ri_crow = row; 722 scr->scr_ri.ri_ccol = col; 723 scr->scr_ri.ri_flg &= ~RI_CURSOR; 724 } 725 726 } 727 728 static void 729 pm2fb_putchar(void *cookie, int row, int col, u_int c, long attr) 730 { 731 struct rasops_info *ri = cookie; 732 struct wsdisplay_font *font = PICK_FONT(ri, c); 733 struct vcons_screen *scr = ri->ri_hw; 734 struct pm2fb_softc *sc = scr->scr_cookie; 735 uint32_t mode; 736 737 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 738 void *data; 739 uint32_t fg, bg; 740 int uc, i; 741 int x, y, wi, he; 742 743 wi = font->fontwidth; 744 he = font->fontheight; 745 746 if (!CHAR_IN_FONT(c, font)) 747 return; 748 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 749 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 750 x = ri->ri_xorigin + col * wi; 751 y = ri->ri_yorigin + row * he; 752 if (c == 0x20) { 753 pm2fb_rectfill(sc, x, y, wi, he, bg); 754 } else { 755 uc = c - font->firstchar; 756 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 757 758 mode = PM2RM_MASK_MIRROR; 759 switch (ri->ri_font->stride) { 760 case 1: 761 mode |= 3 << 7; 762 break; 763 case 2: 764 mode |= 2 << 7; 765 break; 766 } 767 768 pm2fb_wait(sc, 8); 769 770 bus_space_write_4(sc->sc_memt, sc->sc_regh, 771 PM2_RE_MODE, mode); 772 bus_space_write_4(sc->sc_memt, sc->sc_regh, 773 PM2_RE_CONFIG, PM2RECFG_WRITE_EN); 774 bus_space_write_4(sc->sc_memt, sc->sc_regh, 775 PM2_RE_BLOCK_COLOUR, bg); 776 bus_space_write_4(sc->sc_memt, sc->sc_regh, 777 PM2_RE_RECT_START, (y << 16) | x); 778 bus_space_write_4(sc->sc_memt, sc->sc_regh, 779 PM2_RE_RECT_SIZE, (he << 16) | wi); 780 bus_space_write_4(sc->sc_memt, sc->sc_regh, 781 PM2_RE_RENDER, 782 PM2RE_RECTANGLE | 783 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 784 bus_space_write_4(sc->sc_memt, sc->sc_regh, 785 PM2_RE_BLOCK_COLOUR, fg); 786 bus_space_write_4(sc->sc_memt, sc->sc_regh, 787 PM2_RE_RENDER, 788 PM2RE_RECTANGLE | PM2RE_SYNC_ON_MASK | 789 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 790 791 pm2fb_wait(sc, he); 792 switch (ri->ri_font->stride) { 793 case 1: { 794 uint8_t *data8 = data; 795 uint32_t reg; 796 for (i = 0; i < he; i++) { 797 reg = *data8; 798 bus_space_write_4(sc->sc_memt, 799 sc->sc_regh, 800 PM2_RE_BITMASK, reg); 801 data8++; 802 } 803 break; 804 } 805 case 2: { 806 uint16_t *data16 = data; 807 uint32_t reg; 808 for (i = 0; i < he; i++) { 809 reg = *data16; 810 bus_space_write_4(sc->sc_memt, 811 sc->sc_regh, 812 PM2_RE_BITMASK, reg); 813 data16++; 814 } 815 break; 816 } 817 } 818 } 819 } 820 } 821 822 static void 823 pm2fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 824 { 825 struct rasops_info *ri = cookie; 826 struct vcons_screen *scr = ri->ri_hw; 827 struct pm2fb_softc *sc = scr->scr_cookie; 828 int32_t xs, xd, y, width, height; 829 830 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 831 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 832 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 833 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 834 width = ri->ri_font->fontwidth * ncols; 835 height = ri->ri_font->fontheight; 836 pm2fb_bitblt(sc, xs, y, xd, y, width, height, 3); 837 } 838 } 839 840 static void 841 pm2fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 842 { 843 struct rasops_info *ri = cookie; 844 struct vcons_screen *scr = ri->ri_hw; 845 struct pm2fb_softc *sc = scr->scr_cookie; 846 int32_t x, y, width, height, fg, bg, ul; 847 848 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 849 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 850 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 851 width = ri->ri_font->fontwidth * ncols; 852 height = ri->ri_font->fontheight; 853 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 854 855 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 856 } 857 } 858 859 static void 860 pm2fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 861 { 862 struct rasops_info *ri = cookie; 863 struct vcons_screen *scr = ri->ri_hw; 864 struct pm2fb_softc *sc = scr->scr_cookie; 865 int32_t x, ys, yd, width, height; 866 867 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 868 x = ri->ri_xorigin; 869 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 870 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 871 width = ri->ri_emuwidth; 872 height = ri->ri_font->fontheight*nrows; 873 pm2fb_bitblt(sc, x, ys, x, yd, width, height, 3); 874 } 875 } 876 877 static void 878 pm2fb_eraserows(void *cookie, int row, int nrows, long fillattr) 879 { 880 struct rasops_info *ri = cookie; 881 struct vcons_screen *scr = ri->ri_hw; 882 struct pm2fb_softc *sc = scr->scr_cookie; 883 int32_t x, y, width, height, fg, bg, ul; 884 885 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 886 x = ri->ri_xorigin; 887 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 888 width = ri->ri_emuwidth; 889 height = ri->ri_font->fontheight * nrows; 890 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 891 892 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 893 } 894 } 895 896 static void 897 pm2_setup_i2c(struct pm2fb_softc *sc) 898 { 899 #ifdef PM2FB_DEBUG 900 struct edid_info ei; 901 #endif 902 int i; 903 904 /* Fill in the i2c tag */ 905 sc->sc_i2c.ic_cookie = sc; 906 sc->sc_i2c.ic_acquire_bus = pm2fb_i2c_acquire_bus; 907 sc->sc_i2c.ic_release_bus = pm2fb_i2c_release_bus; 908 sc->sc_i2c.ic_send_start = pm2fb_i2c_send_start; 909 sc->sc_i2c.ic_send_stop = pm2fb_i2c_send_stop; 910 sc->sc_i2c.ic_initiate_xfer = pm2fb_i2c_initiate_xfer; 911 sc->sc_i2c.ic_read_byte = pm2fb_i2c_read_byte; 912 sc->sc_i2c.ic_write_byte = pm2fb_i2c_write_byte; 913 sc->sc_i2c.ic_exec = NULL; 914 915 DPRINTF("data: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, 916 PM2_DISPLAY_DATA)); 917 918 /* make sure we're in i2c mode */ 919 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, 0); 920 921 /* zero out the EDID buffer */ 922 memset(sc->sc_edid_data, 0, 128); 923 924 /* Some monitors don't respond first time */ 925 i = 0; 926 while (sc->sc_edid_data[1] == 0 && i++ < 3) 927 ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); 928 #ifdef PM2FB_DEBUG 929 if (edid_parse(&edid_data[0], &ei) != -1) { 930 edid_print(&ei); 931 } 932 #endif 933 } 934 935 /* I2C bitbanging */ 936 static void pm2fb_i2cbb_set_bits(void *cookie, uint32_t bits) 937 { 938 struct pm2fb_softc *sc = cookie; 939 uint32_t out; 940 941 out = bits << 2; /* bitmasks match the IN bits */ 942 943 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, out); 944 } 945 946 static void pm2fb_i2cbb_set_dir(void *cookie, uint32_t dir) 947 { 948 /* Nothing to do */ 949 } 950 951 static uint32_t pm2fb_i2cbb_read(void *cookie) 952 { 953 struct pm2fb_softc *sc = cookie; 954 uint32_t bits; 955 956 bits = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA); 957 958 return bits; 959 } 960 961 /* higher level I2C stuff */ 962 static int 963 pm2fb_i2c_acquire_bus(void *cookie, int flags) 964 { 965 /* private bus */ 966 return (0); 967 } 968 969 static void 970 pm2fb_i2c_release_bus(void *cookie, int flags) 971 { 972 /* private bus */ 973 } 974 975 static int 976 pm2fb_i2c_send_start(void *cookie, int flags) 977 { 978 return (i2c_bitbang_send_start(cookie, flags, &pm2fb_i2cbb_ops)); 979 } 980 981 static int 982 pm2fb_i2c_send_stop(void *cookie, int flags) 983 { 984 985 return (i2c_bitbang_send_stop(cookie, flags, &pm2fb_i2cbb_ops)); 986 } 987 988 static int 989 pm2fb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) 990 { 991 992 return (i2c_bitbang_initiate_xfer(cookie, addr, flags, 993 &pm2fb_i2cbb_ops)); 994 } 995 996 static int 997 pm2fb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) 998 { 999 return (i2c_bitbang_read_byte(cookie, valp, flags, &pm2fb_i2cbb_ops)); 1000 } 1001 1002 static int 1003 pm2fb_i2c_write_byte(void *cookie, uint8_t val, int flags) 1004 { 1005 return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); 1006 } 1007
Indexes created Tue Sep 30 11:09:46 GMT 2025