pm2fb.c revision 1.13
1 /* $NetBSD: pm2fb.c,v 1.13 2012/03/13 18:40:33 elad 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 1.13 2012/03/13 18:40:33 elad 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 struct wsemuldisplaydev_attach_args aa; 228 prop_dictionary_t dict; 229 unsigned long defattr; 230 bool is_console; 231 int i, j; 232 uint32_t flags; 233 234 sc->sc_pc = pa->pa_pc; 235 sc->sc_pcitag = pa->pa_tag; 236 sc->sc_memt = pa->pa_memt; 237 sc->sc_iot = pa->pa_iot; 238 sc->sc_dev = self; 239 240 pci_aprint_devinfo(pa, NULL); 241 242 /* fill in parameters from properties */ 243 dict = device_properties(self); 244 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 245 aprint_error("%s: no width property\n", device_xname(self)); 246 return; 247 } 248 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 249 aprint_error("%s: no height property\n", device_xname(self)); 250 return; 251 } 252 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 253 aprint_error("%s: no depth property\n", device_xname(self)); 254 return; 255 } 256 /* 257 * don't look at the linebytes property - The Raptor firmware lies 258 * about it. Get it from width * depth >> 3 instead. 259 */ 260 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 261 262 prop_dictionary_get_bool(dict, "is_console", &is_console); 263 264 pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14, PCI_MAPREG_TYPE_MEM, 265 &sc->sc_fb, &sc->sc_fbsize, &flags); 266 267 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0, 268 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 269 aprint_error("%s: failed to map registers.\n", 270 device_xname(sc->sc_dev)); 271 } 272 273 /* 274 * XXX yeah, casting the fb address to uint32_t is formally wrong 275 * but as far as I know there are no PM2 with 64bit BARs 276 */ 277 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 278 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 279 280 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 281 "default", 282 0, 0, 283 NULL, 284 8, 16, 285 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 286 NULL 287 }; 288 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 289 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 290 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 291 sc->sc_locked = 0; 292 293 pm2_setup_i2c(sc); 294 295 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 296 &pm2fb_accessops); 297 sc->vd.init_screen = pm2fb_init_screen; 298 299 /* init engine here */ 300 pm2fb_init(sc); 301 302 ri = &sc->sc_console_screen.scr_ri; 303 304 j = 0; 305 for (i = 0; i < 256; i++) { 306 sc->sc_cmap_red[i] = rasops_cmap[j]; 307 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 308 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 309 pm2fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 310 rasops_cmap[j + 2]); 311 j += 3; 312 } 313 314 if (is_console) { 315 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 316 &defattr); 317 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 318 319 pm2fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 320 ri->ri_devcmap[(defattr >> 16) & 0xff]); 321 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 322 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 323 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 324 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 325 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 326 defattr); 327 vcons_replay_msgbuf(&sc->sc_console_screen); 328 } else { 329 /* 330 * since we're not the console we can postpone the rest 331 * until someone actually allocates a screen for us 332 */ 333 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 334 } 335 336 aa.console = is_console; 337 aa.scrdata = &sc->sc_screenlist; 338 aa.accessops = &pm2fb_accessops; 339 aa.accesscookie = &sc->vd; 340 341 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 342 } 343 344 static int 345 pm2fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 346 struct lwp *l) 347 { 348 struct vcons_data *vd = v; 349 struct pm2fb_softc *sc = vd->cookie; 350 struct wsdisplay_fbinfo *wdf; 351 struct vcons_screen *ms = vd->active; 352 353 switch (cmd) { 354 case WSDISPLAYIO_GTYPE: 355 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 356 return 0; 357 358 /* PCI config read/write passthrough. */ 359 case PCI_IOC_CFGREAD: 360 case PCI_IOC_CFGWRITE: 361 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 362 cmd, data, flag, l); 363 364 case WSDISPLAYIO_GET_BUSID: 365 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, 366 sc->sc_pcitag, data); 367 368 case WSDISPLAYIO_GINFO: 369 if (ms == NULL) 370 return ENODEV; 371 wdf = (void *)data; 372 wdf->height = ms->scr_ri.ri_height; 373 wdf->width = ms->scr_ri.ri_width; 374 wdf->depth = ms->scr_ri.ri_depth; 375 wdf->cmsize = 256; 376 return 0; 377 378 case WSDISPLAYIO_GETCMAP: 379 return pm2fb_getcmap(sc, 380 (struct wsdisplay_cmap *)data); 381 382 case WSDISPLAYIO_PUTCMAP: 383 return pm2fb_putcmap(sc, 384 (struct wsdisplay_cmap *)data); 385 386 case WSDISPLAYIO_LINEBYTES: 387 *(u_int *)data = sc->sc_stride; 388 return 0; 389 390 case WSDISPLAYIO_SMODE: { 391 int new_mode = *(int*)data; 392 if (new_mode != sc->sc_mode) { 393 sc->sc_mode = new_mode; 394 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 395 pm2fb_restore_palette(sc); 396 vcons_redraw_screen(ms); 397 } else 398 pm2fb_flush_engine(sc); 399 } 400 } 401 return 0; 402 case WSDISPLAYIO_GET_EDID: { 403 struct wsdisplayio_edid_info *d = data; 404 d->data_size = 128; 405 if (d->buffer_size < 128) 406 return EAGAIN; 407 return copyout(sc->sc_edid_data, d->edid_data, 128); 408 } 409 } 410 return EPASSTHROUGH; 411 } 412 413 static paddr_t 414 pm2fb_mmap(void *v, void *vs, off_t offset, int prot) 415 { 416 struct vcons_data *vd = v; 417 struct pm2fb_softc *sc = vd->cookie; 418 paddr_t pa; 419 420 /* 'regular' framebuffer mmap()ing */ 421 if (offset < sc->sc_fbsize) { 422 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 423 BUS_SPACE_MAP_LINEAR); 424 return pa; 425 } 426 427 /* 428 * restrict all other mappings to processes with superuser privileges 429 * or the kernel itself 430 */ 431 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM, 432 NULL, NULL, NULL, NULL) != 0) { 433 aprint_normal("%s: mmap() rejected.\n", 434 device_xname(sc->sc_dev)); 435 return -1; 436 } 437 438 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 439 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 440 BUS_SPACE_MAP_LINEAR); 441 return pa; 442 } 443 444 if ((offset >= sc->sc_reg) && 445 (offset < (sc->sc_reg + sc->sc_regsize))) { 446 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 447 BUS_SPACE_MAP_LINEAR); 448 return pa; 449 } 450 451 #ifdef PCI_MAGIC_IO_RANGE 452 /* allow mapping of IO space */ 453 if ((offset >= PCI_MAGIC_IO_RANGE) && 454 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 455 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 456 0, prot, BUS_SPACE_MAP_LINEAR); 457 return pa; 458 } 459 #endif 460 461 return -1; 462 } 463 464 static void 465 pm2fb_init_screen(void *cookie, struct vcons_screen *scr, 466 int existing, long *defattr) 467 { 468 struct pm2fb_softc *sc = cookie; 469 struct rasops_info *ri = &scr->scr_ri; 470 471 ri->ri_depth = sc->sc_depth; 472 ri->ri_width = sc->sc_width; 473 ri->ri_height = sc->sc_height; 474 ri->ri_stride = sc->sc_stride; 475 ri->ri_flg = RI_CENTER; 476 477 rasops_init(ri, 0, 0); 478 ri->ri_caps = WSSCREEN_WSCOLORS; 479 480 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 481 sc->sc_width / ri->ri_font->fontwidth); 482 483 ri->ri_hw = scr; 484 ri->ri_ops.copyrows = pm2fb_copyrows; 485 ri->ri_ops.copycols = pm2fb_copycols; 486 ri->ri_ops.cursor = pm2fb_cursor; 487 ri->ri_ops.eraserows = pm2fb_eraserows; 488 ri->ri_ops.erasecols = pm2fb_erasecols; 489 ri->ri_ops.putchar = pm2fb_putchar; 490 } 491 492 static int 493 pm2fb_putcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 494 { 495 u_char *r, *g, *b; 496 u_int index = cm->index; 497 u_int count = cm->count; 498 int i, error; 499 u_char rbuf[256], gbuf[256], bbuf[256]; 500 501 #ifdef PM2FB_DEBUG 502 aprint_debug("putcmap: %d %d\n",index, count); 503 #endif 504 if (cm->index >= 256 || cm->count > 256 || 505 (cm->index + cm->count) > 256) 506 return EINVAL; 507 error = copyin(cm->red, &rbuf[index], count); 508 if (error) 509 return error; 510 error = copyin(cm->green, &gbuf[index], count); 511 if (error) 512 return error; 513 error = copyin(cm->blue, &bbuf[index], count); 514 if (error) 515 return error; 516 517 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 518 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 519 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 520 521 r = &sc->sc_cmap_red[index]; 522 g = &sc->sc_cmap_green[index]; 523 b = &sc->sc_cmap_blue[index]; 524 525 for (i = 0; i < count; i++) { 526 pm2fb_putpalreg(sc, index, *r, *g, *b); 527 index++; 528 r++, g++, b++; 529 } 530 return 0; 531 } 532 533 static int 534 pm2fb_getcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 535 { 536 u_int index = cm->index; 537 u_int count = cm->count; 538 int error; 539 540 if (index >= 255 || count > 256 || index + count > 256) 541 return EINVAL; 542 543 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 544 if (error) 545 return error; 546 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 547 if (error) 548 return error; 549 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 550 if (error) 551 return error; 552 553 return 0; 554 } 555 556 static void 557 pm2fb_restore_palette(struct pm2fb_softc *sc) 558 { 559 int i; 560 561 for (i = 0; i < (1 << sc->sc_depth); i++) { 562 pm2fb_putpalreg(sc, i, sc->sc_cmap_red[i], 563 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 564 } 565 } 566 567 static int 568 pm2fb_putpalreg(struct pm2fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 569 uint8_t b) 570 { 571 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, idx); 572 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, r); 573 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, g); 574 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, b); 575 return 0; 576 } 577 578 static void 579 pm2fb_init(struct pm2fb_softc *sc) 580 { 581 pm2fb_flush_engine(sc); 582 583 pm2fb_wait(sc, 8); 584 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_BASE, 0); 585 #if 0 586 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_BYPASS_MASK, 587 0xffffffff); 588 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_WRITE_MASK, 589 0xffffffff); 590 #endif 591 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HW_WRITEMASK, 592 0xffffffff); 593 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SW_WRITEMASK, 594 0xffffffff); 595 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WRITE_MODE, 596 PM2WM_WRITE_EN); 597 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 598 (sc->sc_height << 16) | sc->sc_width); 599 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MODE, 600 PM2SC_SCREEN_EN); 601 pm2fb_wait(sc, 8); 602 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); 603 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); 604 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 605 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_COLOUR_MODE, 0); 606 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_ADDRESS_MODE, 0); 607 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_READ_MODE, 0); 608 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_LUT_MODE, 0); 609 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_YUV_MODE, 0); 610 pm2fb_wait(sc, 8); 611 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH_MODE, 0); 612 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH, 0); 613 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STENCIL_MODE, 0); 614 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STIPPLE_MODE, 0); 615 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ROP_MODE, 0); 616 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WINDOW_ORIGIN, 0); 617 sc->sc_pprod = bus_space_read_4(sc->sc_memt, sc->sc_regh, 618 PM2_FB_READMODE) & 619 (PM2FB_PP0_MASK | PM2FB_PP1_MASK | PM2FB_PP2_MASK); 620 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE, 621 sc->sc_pprod); 622 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEXMAP_FORMAT, 623 sc->sc_pprod); 624 pm2fb_wait(sc, 8); 625 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DY, 1 << 16); 626 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DXDOM, 0); 627 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXDOM, 0); 628 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXSUB, 0); 629 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTY, 0); 630 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COUNT, 0); 631 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MINYX, 0); 632 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MAXYX, 633 0x0fff0fff); 634 pm2fb_flush_engine(sc); 635 } 636 637 static void 638 pm2fb_rectfill(struct pm2fb_softc *sc, int x, int y, int wi, int he, 639 uint32_t colour) 640 { 641 642 pm2fb_wait(sc, 7); 643 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 644 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 645 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 646 PM2RECFG_WRITE_EN); 647 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, 648 colour); 649 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 650 (y << 16) | x); 651 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 652 (he << 16) | wi); 653 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 654 PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 655 } 656 657 static void 658 pm2fb_bitblt(struct pm2fb_softc *sc, int xs, int ys, int xd, int yd, 659 int wi, int he, int rop) 660 { 661 uint32_t dir = 0; 662 663 if (yd <= ys) { 664 dir |= PM2RE_INC_Y; 665 } 666 if (xd <= xs) { 667 dir |= PM2RE_INC_X; 668 } 669 pm2fb_wait(sc, 7); 670 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 671 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 672 if (rop == 3) { 673 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 674 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | PM2RECFG_ROP_EN | 675 PM2RECFG_PACKED | (rop << 6)); 676 } else { 677 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 678 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | PM2RECFG_WRITE_EN | 679 PM2RECFG_PACKED | PM2RECFG_ROP_EN | (rop << 6)); 680 } 681 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 682 (yd << 16) | xd); 683 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 684 (he << 16) | wi); 685 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SOURCE_DELTA, 686 (((ys - yd) & 0xfff) << 16) | ((xs - xd) & 0xfff)); 687 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 688 PM2RE_RECTANGLE | dir); 689 } 690 691 static void 692 pm2fb_cursor(void *cookie, int on, int row, int col) 693 { 694 struct rasops_info *ri = cookie; 695 struct vcons_screen *scr = ri->ri_hw; 696 struct pm2fb_softc *sc = scr->scr_cookie; 697 int x, y, wi, he; 698 699 wi = ri->ri_font->fontwidth; 700 he = ri->ri_font->fontheight; 701 702 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 703 x = ri->ri_ccol * wi + ri->ri_xorigin; 704 y = ri->ri_crow * he + ri->ri_yorigin; 705 if (ri->ri_flg & RI_CURSOR) { 706 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 707 ri->ri_flg &= ~RI_CURSOR; 708 } 709 ri->ri_crow = row; 710 ri->ri_ccol = col; 711 if (on) { 712 x = ri->ri_ccol * wi + ri->ri_xorigin; 713 y = ri->ri_crow * he + ri->ri_yorigin; 714 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 715 ri->ri_flg |= RI_CURSOR; 716 } 717 } else { 718 scr->scr_ri.ri_crow = row; 719 scr->scr_ri.ri_ccol = col; 720 scr->scr_ri.ri_flg &= ~RI_CURSOR; 721 } 722 723 } 724 725 static void 726 pm2fb_putchar(void *cookie, int row, int col, u_int c, long attr) 727 { 728 struct rasops_info *ri = cookie; 729 struct wsdisplay_font *font = PICK_FONT(ri, c); 730 struct vcons_screen *scr = ri->ri_hw; 731 struct pm2fb_softc *sc = scr->scr_cookie; 732 uint32_t mode; 733 734 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 735 void *data; 736 uint32_t fg, bg; 737 int uc, i; 738 int x, y, wi, he; 739 740 wi = font->fontwidth; 741 he = font->fontheight; 742 743 if (!CHAR_IN_FONT(c, font)) 744 return; 745 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 746 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 747 x = ri->ri_xorigin + col * wi; 748 y = ri->ri_yorigin + row * he; 749 if (c == 0x20) { 750 pm2fb_rectfill(sc, x, y, wi, he, bg); 751 } else { 752 uc = c - font->firstchar; 753 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 754 755 mode = PM2RM_MASK_MIRROR; 756 switch (ri->ri_font->stride) { 757 case 1: 758 mode |= 3 << 7; 759 break; 760 case 2: 761 mode |= 2 << 7; 762 break; 763 } 764 765 pm2fb_wait(sc, 8); 766 767 bus_space_write_4(sc->sc_memt, sc->sc_regh, 768 PM2_RE_MODE, mode); 769 bus_space_write_4(sc->sc_memt, sc->sc_regh, 770 PM2_RE_CONFIG, PM2RECFG_WRITE_EN); 771 bus_space_write_4(sc->sc_memt, sc->sc_regh, 772 PM2_RE_BLOCK_COLOUR, bg); 773 bus_space_write_4(sc->sc_memt, sc->sc_regh, 774 PM2_RE_RECT_START, (y << 16) | x); 775 bus_space_write_4(sc->sc_memt, sc->sc_regh, 776 PM2_RE_RECT_SIZE, (he << 16) | wi); 777 bus_space_write_4(sc->sc_memt, sc->sc_regh, 778 PM2_RE_RENDER, 779 PM2RE_RECTANGLE | 780 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 781 bus_space_write_4(sc->sc_memt, sc->sc_regh, 782 PM2_RE_BLOCK_COLOUR, fg); 783 bus_space_write_4(sc->sc_memt, sc->sc_regh, 784 PM2_RE_RENDER, 785 PM2RE_RECTANGLE | PM2RE_SYNC_ON_MASK | 786 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 787 788 pm2fb_wait(sc, he); 789 switch (ri->ri_font->stride) { 790 case 1: { 791 uint8_t *data8 = data; 792 uint32_t reg; 793 for (i = 0; i < he; i++) { 794 reg = *data8; 795 bus_space_write_4(sc->sc_memt, 796 sc->sc_regh, 797 PM2_RE_BITMASK, reg); 798 data8++; 799 } 800 break; 801 } 802 case 2: { 803 uint16_t *data16 = data; 804 uint32_t reg; 805 for (i = 0; i < he; i++) { 806 reg = *data16; 807 bus_space_write_4(sc->sc_memt, 808 sc->sc_regh, 809 PM2_RE_BITMASK, reg); 810 data16++; 811 } 812 break; 813 } 814 } 815 } 816 } 817 } 818 819 static void 820 pm2fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 821 { 822 struct rasops_info *ri = cookie; 823 struct vcons_screen *scr = ri->ri_hw; 824 struct pm2fb_softc *sc = scr->scr_cookie; 825 int32_t xs, xd, y, width, height; 826 827 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 828 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 829 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 830 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 831 width = ri->ri_font->fontwidth * ncols; 832 height = ri->ri_font->fontheight; 833 pm2fb_bitblt(sc, xs, y, xd, y, width, height, 3); 834 } 835 } 836 837 static void 838 pm2fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 839 { 840 struct rasops_info *ri = cookie; 841 struct vcons_screen *scr = ri->ri_hw; 842 struct pm2fb_softc *sc = scr->scr_cookie; 843 int32_t x, y, width, height, fg, bg, ul; 844 845 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 846 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 847 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 848 width = ri->ri_font->fontwidth * ncols; 849 height = ri->ri_font->fontheight; 850 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 851 852 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 853 } 854 } 855 856 static void 857 pm2fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 858 { 859 struct rasops_info *ri = cookie; 860 struct vcons_screen *scr = ri->ri_hw; 861 struct pm2fb_softc *sc = scr->scr_cookie; 862 int32_t x, ys, yd, width, height; 863 864 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 865 x = ri->ri_xorigin; 866 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 867 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 868 width = ri->ri_emuwidth; 869 height = ri->ri_font->fontheight*nrows; 870 pm2fb_bitblt(sc, x, ys, x, yd, width, height, 3); 871 } 872 } 873 874 static void 875 pm2fb_eraserows(void *cookie, int row, int nrows, long fillattr) 876 { 877 struct rasops_info *ri = cookie; 878 struct vcons_screen *scr = ri->ri_hw; 879 struct pm2fb_softc *sc = scr->scr_cookie; 880 int32_t x, y, width, height, fg, bg, ul; 881 882 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 883 x = ri->ri_xorigin; 884 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 885 width = ri->ri_emuwidth; 886 height = ri->ri_font->fontheight * nrows; 887 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 888 889 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 890 } 891 } 892 893 static void 894 pm2_setup_i2c(struct pm2fb_softc *sc) 895 { 896 #ifdef PM2FB_DEBUG 897 struct edid_info ei; 898 #endif 899 int i; 900 901 /* Fill in the i2c tag */ 902 sc->sc_i2c.ic_cookie = sc; 903 sc->sc_i2c.ic_acquire_bus = pm2fb_i2c_acquire_bus; 904 sc->sc_i2c.ic_release_bus = pm2fb_i2c_release_bus; 905 sc->sc_i2c.ic_send_start = pm2fb_i2c_send_start; 906 sc->sc_i2c.ic_send_stop = pm2fb_i2c_send_stop; 907 sc->sc_i2c.ic_initiate_xfer = pm2fb_i2c_initiate_xfer; 908 sc->sc_i2c.ic_read_byte = pm2fb_i2c_read_byte; 909 sc->sc_i2c.ic_write_byte = pm2fb_i2c_write_byte; 910 sc->sc_i2c.ic_exec = NULL; 911 912 DPRINTF("data: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, 913 PM2_DISPLAY_DATA)); 914 915 /* make sure we're in i2c mode */ 916 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, 0); 917 918 /* zero out the EDID buffer */ 919 memset(sc->sc_edid_data, 0, 128); 920 921 /* Some monitors don't respond first time */ 922 i = 0; 923 while (sc->sc_edid_data[1] == 0 && i++ < 3) 924 ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); 925 #ifdef PM2FB_DEBUG 926 if (edid_parse(&sc->sc_edid_data[0], &ei) != -1) { 927 edid_print(&ei); 928 } 929 #endif 930 } 931 932 /* I2C bitbanging */ 933 static void pm2fb_i2cbb_set_bits(void *cookie, uint32_t bits) 934 { 935 struct pm2fb_softc *sc = cookie; 936 uint32_t out; 937 938 out = bits << 2; /* bitmasks match the IN bits */ 939 940 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, out); 941 } 942 943 static void pm2fb_i2cbb_set_dir(void *cookie, uint32_t dir) 944 { 945 /* Nothing to do */ 946 } 947 948 static uint32_t pm2fb_i2cbb_read(void *cookie) 949 { 950 struct pm2fb_softc *sc = cookie; 951 uint32_t bits; 952 953 bits = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA); 954 955 return bits; 956 } 957 958 /* higher level I2C stuff */ 959 static int 960 pm2fb_i2c_acquire_bus(void *cookie, int flags) 961 { 962 /* private bus */ 963 return (0); 964 } 965 966 static void 967 pm2fb_i2c_release_bus(void *cookie, int flags) 968 { 969 /* private bus */ 970 } 971 972 static int 973 pm2fb_i2c_send_start(void *cookie, int flags) 974 { 975 return (i2c_bitbang_send_start(cookie, flags, &pm2fb_i2cbb_ops)); 976 } 977 978 static int 979 pm2fb_i2c_send_stop(void *cookie, int flags) 980 { 981 982 return (i2c_bitbang_send_stop(cookie, flags, &pm2fb_i2cbb_ops)); 983 } 984 985 static int 986 pm2fb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) 987 { 988 989 return (i2c_bitbang_initiate_xfer(cookie, addr, flags, 990 &pm2fb_i2cbb_ops)); 991 } 992 993 static int 994 pm2fb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) 995 { 996 return (i2c_bitbang_read_byte(cookie, valp, flags, &pm2fb_i2cbb_ops)); 997 } 998 999 static int 1000 pm2fb_i2c_write_byte(void *cookie, uint8_t val, int flags) 1001 { 1002 return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); 1003 } 1004
Indexes created Tue Sep 30 07:10:03 GMT 2025