r128fb.c revision 1.18
1 /* $NetBSD: r128fb.c,v 1.18 2010/12/25 03:29:08 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 2007 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 ATI Rage 128 graphics controllers 30 * tested on macppc only so far 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: r128fb.c,v 1.18 2010/12/25 03:29:08 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/r128fbreg.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 58 #include <dev/i2c/i2cvar.h> 59 60 #include "opt_r128fb.h" 61 62 #ifdef R128FB_DEBUG 63 #define DPRINTF printf 64 #else 65 #define DPRINTF while(0) printf 66 #endif 67 68 struct r128fb_softc { 69 device_t sc_dev; 70 71 pci_chipset_tag_t sc_pc; 72 pcitag_t sc_pcitag; 73 74 bus_space_tag_t sc_memt; 75 bus_space_tag_t sc_iot; 76 77 bus_space_handle_t sc_regh; 78 bus_addr_t sc_fb, sc_reg; 79 bus_size_t sc_fbsize, sc_regsize; 80 81 int sc_width, sc_height, sc_depth, sc_stride; 82 int sc_locked, sc_have_backlight, sc_bl_level, sc_bl_on; 83 struct vcons_screen sc_console_screen; 84 struct wsscreen_descr sc_defaultscreen_descr; 85 const struct wsscreen_descr *sc_screens[1]; 86 struct wsscreen_list sc_screenlist; 87 struct vcons_data vd; 88 int sc_mode; 89 u_char sc_cmap_red[256]; 90 u_char sc_cmap_green[256]; 91 u_char sc_cmap_blue[256]; 92 /* engine stuff */ 93 uint32_t sc_master_cntl; 94 }; 95 96 static int r128fb_match(device_t, cfdata_t, void *); 97 static void r128fb_attach(device_t, device_t, void *); 98 99 CFATTACH_DECL_NEW(r128fb, sizeof(struct r128fb_softc), 100 r128fb_match, r128fb_attach, NULL, NULL); 101 102 extern const u_char rasops_cmap[768]; 103 104 static int r128fb_ioctl(void *, void *, u_long, void *, int, 105 struct lwp *); 106 static paddr_t r128fb_mmap(void *, void *, off_t, int); 107 static void r128fb_init_screen(void *, struct vcons_screen *, int, long *); 108 109 static int r128fb_putcmap(struct r128fb_softc *, struct wsdisplay_cmap *); 110 static int r128fb_getcmap(struct r128fb_softc *, struct wsdisplay_cmap *); 111 static void r128fb_restore_palette(struct r128fb_softc *); 112 static int r128fb_putpalreg(struct r128fb_softc *, uint8_t, uint8_t, 113 uint8_t, uint8_t); 114 115 static void r128fb_init(struct r128fb_softc *); 116 static void r128fb_flush_engine(struct r128fb_softc *); 117 static void r128fb_rectfill(struct r128fb_softc *, int, int, int, int, 118 uint32_t); 119 static void r128fb_bitblt(struct r128fb_softc *, int, int, int, int, int, 120 int, int); 121 122 static void r128fb_cursor(void *, int, int, int); 123 static void r128fb_putchar(void *, int, int, u_int, long); 124 static void r128fb_copycols(void *, int, int, int, int); 125 static void r128fb_erasecols(void *, int, int, int, long); 126 static void r128fb_copyrows(void *, int, int, int); 127 static void r128fb_eraserows(void *, int, int, long); 128 129 static void r128fb_brightness_up(device_t); 130 static void r128fb_brightness_down(device_t); 131 /* set backlight level */ 132 static void r128fb_set_backlight(struct r128fb_softc *, int); 133 /* turn backlight on and off without messing with the level */ 134 static void r128fb_switch_backlight(struct r128fb_softc *, int); 135 136 struct wsdisplay_accessops r128fb_accessops = { 137 r128fb_ioctl, 138 r128fb_mmap, 139 NULL, /* alloc_screen */ 140 NULL, /* free_screen */ 141 NULL, /* show_screen */ 142 NULL, /* load_font */ 143 NULL, /* pollc */ 144 NULL /* scroll */ 145 }; 146 147 static inline void 148 r128fb_wait(struct r128fb_softc *sc, int slots) 149 { 150 uint32_t reg; 151 152 do { 153 reg = (bus_space_read_4(sc->sc_memt, sc->sc_regh, 154 R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK); 155 } while (reg <= slots); 156 } 157 158 static void 159 r128fb_flush_engine(struct r128fb_softc *sc) 160 { 161 uint32_t reg; 162 163 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT); 164 reg |= R128_PC_FLUSH_ALL; 165 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT, reg); 166 do { 167 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 168 R128_PC_NGUI_CTLSTAT); 169 } while (reg & R128_PC_BUSY); 170 } 171 172 static int 173 r128fb_match(device_t parent, cfdata_t match, void *aux) 174 { 175 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 176 177 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) 178 return 0; 179 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI) 180 return 0; 181 182 /* only cards tested on so far - likely need a list */ 183 if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE1AGP4XT) || 184 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE3AGP4XT) || 185 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGEGLPCI) || 186 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE_MOB_M3_AGP)) 187 return 100; 188 return (0); 189 } 190 191 static void 192 r128fb_attach(device_t parent, device_t self, void *aux) 193 { 194 struct r128fb_softc *sc = device_private(self); 195 struct pci_attach_args *pa = aux; 196 struct rasops_info *ri; 197 bus_space_tag_t tag; 198 char devinfo[256]; 199 struct wsemuldisplaydev_attach_args aa; 200 prop_dictionary_t dict; 201 unsigned long defattr; 202 bool is_console; 203 int i, j; 204 uint32_t reg, flags; 205 206 sc->sc_pc = pa->pa_pc; 207 sc->sc_pcitag = pa->pa_tag; 208 sc->sc_memt = pa->pa_memt; 209 sc->sc_iot = pa->pa_iot; 210 sc->sc_dev = self; 211 212 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 213 aprint_normal(": %s\n", devinfo); 214 215 /* fill in parameters from properties */ 216 dict = device_properties(self); 217 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 218 aprint_error("%s: no width property\n", device_xname(self)); 219 return; 220 } 221 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 222 aprint_error("%s: no height property\n", device_xname(self)); 223 return; 224 } 225 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 226 aprint_error("%s: no depth property\n", device_xname(self)); 227 return; 228 } 229 if (!prop_dictionary_get_uint32(dict, "linebytes", &sc->sc_stride)) { 230 aprint_error("%s: no linebytes property\n", 231 device_xname(self)); 232 return; 233 } 234 235 prop_dictionary_get_bool(dict, "is_console", &is_console); 236 237 if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x10, PCI_MAPREG_TYPE_MEM, 238 &sc->sc_fb, &sc->sc_fbsize, &flags)) { 239 aprint_error("%s: failed to map the frame buffer.\n", 240 device_xname(sc->sc_dev)); 241 } 242 243 if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0, 244 &tag, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 245 aprint_error("%s: failed to map registers.\n", 246 device_xname(sc->sc_dev)); 247 } 248 249 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 250 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 251 252 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 253 "default", 254 0, 0, 255 NULL, 256 8, 16, 257 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 258 NULL 259 }; 260 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 261 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 262 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 263 sc->sc_locked = 0; 264 265 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 266 &r128fb_accessops); 267 sc->vd.init_screen = r128fb_init_screen; 268 269 /* init engine here */ 270 r128fb_init(sc); 271 272 ri = &sc->sc_console_screen.scr_ri; 273 274 j = 0; 275 for (i = 0; i < (1 << sc->sc_depth); i++) { 276 277 sc->sc_cmap_red[i] = rasops_cmap[j]; 278 sc->sc_cmap_green[i] = rasops_cmap[j + 1]; 279 sc->sc_cmap_blue[i] = rasops_cmap[j + 2]; 280 r128fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 281 rasops_cmap[j + 2]); 282 j += 3; 283 } 284 285 if (is_console) { 286 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 287 &defattr); 288 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 289 290 r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 291 ri->ri_devcmap[(defattr >> 16) & 0xff]); 292 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 293 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 294 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 295 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 296 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 297 defattr); 298 vcons_replay_msgbuf(&sc->sc_console_screen); 299 } else { 300 /* 301 * since we're not the console we can postpone the rest 302 * until someone actually allocates a screen for us 303 */ 304 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 305 } 306 307 /* no suspend/resume support yet */ 308 pmf_device_register(sc->sc_dev, NULL, NULL); 309 310 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL); 311 DPRINTF("R128_LVDS_GEN_CNTL: %08x\n", reg); 312 if (reg & R128_LVDS_ON) { 313 sc->sc_have_backlight = 1; 314 sc->sc_bl_on = 1; 315 sc->sc_bl_level = 255 - 316 ((reg & R128_LEVEL_MASK) >> R128_LEVEL_SHIFT); 317 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, 318 r128fb_brightness_up, TRUE); 319 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, 320 r128fb_brightness_down, TRUE); 321 aprint_verbose("%s: LVDS output is active, enabling backlight" 322 " control\n", device_xname(self)); 323 } else 324 sc->sc_have_backlight = 0; 325 326 aa.console = is_console; 327 aa.scrdata = &sc->sc_screenlist; 328 aa.accessops = &r128fb_accessops; 329 aa.accesscookie = &sc->vd; 330 331 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 332 } 333 334 static int 335 r128fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 336 struct lwp *l) 337 { 338 struct vcons_data *vd = v; 339 struct r128fb_softc *sc = vd->cookie; 340 struct wsdisplay_fbinfo *wdf; 341 struct vcons_screen *ms = vd->active; 342 struct wsdisplay_param *param; 343 344 switch (cmd) { 345 case WSDISPLAYIO_GTYPE: 346 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 347 return 0; 348 349 /* PCI config read/write passthrough. */ 350 case PCI_IOC_CFGREAD: 351 case PCI_IOC_CFGWRITE: 352 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag, 353 cmd, data, flag, l)); 354 355 case WSDISPLAYIO_GINFO: 356 if (ms == NULL) 357 return ENODEV; 358 wdf = (void *)data; 359 wdf->height = ms->scr_ri.ri_height; 360 wdf->width = ms->scr_ri.ri_width; 361 wdf->depth = ms->scr_ri.ri_depth; 362 wdf->cmsize = 256; 363 return 0; 364 365 case WSDISPLAYIO_GETCMAP: 366 return r128fb_getcmap(sc, 367 (struct wsdisplay_cmap *)data); 368 369 case WSDISPLAYIO_PUTCMAP: 370 return r128fb_putcmap(sc, 371 (struct wsdisplay_cmap *)data); 372 373 case WSDISPLAYIO_LINEBYTES: 374 *(u_int *)data = sc->sc_stride; 375 return 0; 376 377 case WSDISPLAYIO_SMODE: { 378 int new_mode = *(int*)data; 379 if (new_mode != sc->sc_mode) { 380 sc->sc_mode = new_mode; 381 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 382 r128fb_init(sc); 383 r128fb_restore_palette(sc); 384 vcons_redraw_screen(ms); 385 } 386 } 387 } 388 return 0; 389 390 case WSDISPLAYIO_GETPARAM: 391 param = (struct wsdisplay_param *)data; 392 if (sc->sc_have_backlight == 0) 393 return EPASSTHROUGH; 394 switch (param->param) { 395 case WSDISPLAYIO_PARAM_BRIGHTNESS: 396 param->min = 0; 397 param->max = 255; 398 param->curval = sc->sc_bl_level; 399 return 0; 400 case WSDISPLAYIO_PARAM_BACKLIGHT: 401 param->min = 0; 402 param->max = 1; 403 param->curval = sc->sc_bl_on; 404 return 0; 405 } 406 return EPASSTHROUGH; 407 408 case WSDISPLAYIO_SETPARAM: 409 param = (struct wsdisplay_param *)data; 410 if (sc->sc_have_backlight == 0) 411 return EPASSTHROUGH; 412 switch (param->param) { 413 case WSDISPLAYIO_PARAM_BRIGHTNESS: 414 r128fb_set_backlight(sc, param->curval); 415 return 0; 416 case WSDISPLAYIO_PARAM_BACKLIGHT: 417 r128fb_switch_backlight(sc, param->curval); 418 return 0; 419 } 420 return EPASSTHROUGH; 421 } 422 return EPASSTHROUGH; 423 } 424 425 static paddr_t 426 r128fb_mmap(void *v, void *vs, off_t offset, int prot) 427 { 428 struct vcons_data *vd = v; 429 struct r128fb_softc *sc = vd->cookie; 430 paddr_t pa; 431 432 /* 'regular' framebuffer mmap()ing */ 433 if (offset < sc->sc_fbsize) { 434 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 435 BUS_SPACE_MAP_LINEAR); 436 return pa; 437 } 438 439 /* 440 * restrict all other mappings to processes with superuser privileges 441 * or the kernel itself 442 */ 443 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER, 444 NULL) != 0) { 445 aprint_normal("%s: mmap() rejected.\n", 446 device_xname(sc->sc_dev)); 447 return -1; 448 } 449 450 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 451 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 452 BUS_SPACE_MAP_LINEAR); 453 return pa; 454 } 455 456 if ((offset >= sc->sc_reg) && 457 (offset < (sc->sc_reg + sc->sc_regsize))) { 458 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 459 BUS_SPACE_MAP_LINEAR); 460 return pa; 461 } 462 463 #ifdef PCI_MAGIC_IO_RANGE 464 /* allow mapping of IO space */ 465 if ((offset >= PCI_MAGIC_IO_RANGE) && 466 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 467 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 468 0, prot, BUS_SPACE_MAP_LINEAR); 469 return pa; 470 } 471 #endif 472 473 #ifdef OFB_ALLOW_OTHERS 474 if (offset >= 0x80000000) { 475 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 476 BUS_SPACE_MAP_LINEAR); 477 return pa; 478 } 479 #endif 480 return -1; 481 } 482 483 static void 484 r128fb_init_screen(void *cookie, struct vcons_screen *scr, 485 int existing, long *defattr) 486 { 487 struct r128fb_softc *sc = cookie; 488 struct rasops_info *ri = &scr->scr_ri; 489 490 ri->ri_depth = sc->sc_depth; 491 ri->ri_width = sc->sc_width; 492 ri->ri_height = sc->sc_height; 493 ri->ri_stride = sc->sc_stride; 494 ri->ri_flg = RI_CENTER; 495 496 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 497 ri->ri_caps = WSSCREEN_WSCOLORS; 498 499 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 500 sc->sc_width / ri->ri_font->fontwidth); 501 502 ri->ri_hw = scr; 503 ri->ri_ops.copyrows = r128fb_copyrows; 504 ri->ri_ops.copycols = r128fb_copycols; 505 ri->ri_ops.eraserows = r128fb_eraserows; 506 ri->ri_ops.erasecols = r128fb_erasecols; 507 ri->ri_ops.cursor = r128fb_cursor; 508 ri->ri_ops.putchar = r128fb_putchar; 509 } 510 511 static int 512 r128fb_putcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 513 { 514 u_char *r, *g, *b; 515 u_int index = cm->index; 516 u_int count = cm->count; 517 int i, error; 518 u_char rbuf[256], gbuf[256], bbuf[256]; 519 520 #ifdef R128FB_DEBUG 521 aprint_debug("putcmap: %d %d\n",index, count); 522 #endif 523 if (cm->index >= 256 || cm->count > 256 || 524 (cm->index + cm->count) > 256) 525 return EINVAL; 526 error = copyin(cm->red, &rbuf[index], count); 527 if (error) 528 return error; 529 error = copyin(cm->green, &gbuf[index], count); 530 if (error) 531 return error; 532 error = copyin(cm->blue, &bbuf[index], count); 533 if (error) 534 return error; 535 536 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 537 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 538 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 539 540 r = &sc->sc_cmap_red[index]; 541 g = &sc->sc_cmap_green[index]; 542 b = &sc->sc_cmap_blue[index]; 543 544 for (i = 0; i < count; i++) { 545 r128fb_putpalreg(sc, index, *r, *g, *b); 546 index++; 547 r++, g++, b++; 548 } 549 return 0; 550 } 551 552 static int 553 r128fb_getcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) 554 { 555 u_int index = cm->index; 556 u_int count = cm->count; 557 int error; 558 559 if (index >= 255 || count > 256 || index + count > 256) 560 return EINVAL; 561 562 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 563 if (error) 564 return error; 565 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 566 if (error) 567 return error; 568 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 569 if (error) 570 return error; 571 572 return 0; 573 } 574 575 static void 576 r128fb_restore_palette(struct r128fb_softc *sc) 577 { 578 int i; 579 580 for (i = 0; i < (1 << sc->sc_depth); i++) { 581 r128fb_putpalreg(sc, i, sc->sc_cmap_red[i], 582 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 583 } 584 } 585 586 static int 587 r128fb_putpalreg(struct r128fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 588 uint8_t b) 589 { 590 uint32_t reg; 591 592 /* whack the DAC */ 593 reg = (r << 16) | (g << 8) | b; 594 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_INDEX, idx); 595 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_DATA, reg); 596 return 0; 597 } 598 599 static void 600 r128fb_init(struct r128fb_softc *sc) 601 { 602 uint32_t datatype; 603 604 r128fb_flush_engine(sc); 605 606 r128fb_wait(sc, 9); 607 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_OFFSET, 0); 608 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_OFFSET, 0); 609 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_PITCH, 610 sc->sc_stride >> 3); 611 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_AUX_SC_CNTL, 0); 612 bus_space_write_4(sc->sc_memt, sc->sc_regh, 613 R128_DEFAULT_SC_BOTTOM_RIGHT, 614 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 615 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_TOP_LEFT, 0); 616 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_BOTTOM_RIGHT, 617 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 618 bus_space_write_4(sc->sc_memt, sc->sc_regh, 619 R128_DEFAULT_SC_BOTTOM_RIGHT, 620 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); 621 622 #if BYTE_ORDER == BIG_ENDIAN 623 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, 624 R128_HOST_BIG_ENDIAN_EN); 625 #else 626 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, 0); 627 #endif 628 629 r128fb_wait(sc, 5); 630 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_PITCH, 631 sc->sc_stride >> 3); 632 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_PITCH, 633 sc->sc_stride >> 3); 634 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_OFFSET, 0); 635 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_OFFSET, 0); 636 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_WRITE_MASK, 637 0xffffffff); 638 639 switch (sc->sc_depth) { 640 case 8: 641 datatype = R128_GMC_DST_8BPP_CI; 642 break; 643 case 15: 644 datatype = R128_GMC_DST_15BPP; 645 break; 646 case 16: 647 datatype = R128_GMC_DST_16BPP; 648 break; 649 case 24: 650 datatype = R128_GMC_DST_24BPP; 651 break; 652 case 32: 653 datatype = R128_GMC_DST_32BPP; 654 break; 655 default: 656 aprint_error("%s: unsupported depth %d\n", 657 device_xname(sc->sc_dev), sc->sc_depth); 658 return; 659 } 660 sc->sc_master_cntl = R128_GMC_CLR_CMP_CNTL_DIS | 661 R128_GMC_AUX_CLIP_DIS | datatype; 662 663 r128fb_flush_engine(sc); 664 } 665 666 static void 667 r128fb_rectfill(struct r128fb_softc *sc, int x, int y, int wi, int he, 668 uint32_t colour) 669 { 670 671 r128fb_wait(sc, 5); 672 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 673 R128_GMC_BRUSH_SOLID_COLOR | 674 R128_GMC_SRC_DATATYPE_COLOR | 675 R128_ROP3_P | 676 sc->sc_master_cntl); 677 678 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_BRUSH_FRGD_CLR, 679 colour); 680 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, 681 R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM); 682 /* now feed it coordinates */ 683 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 684 (x << 16) | y); 685 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 686 (wi << 16) | he); 687 } 688 689 static void 690 r128fb_bitblt(struct r128fb_softc *sc, int xs, int ys, int xd, int yd, 691 int wi, int he, int rop) 692 { 693 uint32_t dp_cntl = 0; 694 695 r128fb_wait(sc, 5); 696 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, 697 R128_GMC_BRUSH_SOLID_COLOR | 698 R128_GMC_SRC_DATATYPE_COLOR | 699 rop | 700 R128_DP_SRC_SOURCE_MEMORY | 701 sc->sc_master_cntl); 702 703 if (yd <= ys) { 704 dp_cntl = R128_DST_Y_TOP_TO_BOTTOM; 705 } else { 706 ys += he - 1; 707 yd += he - 1; 708 } 709 if (xd <= xs) { 710 dp_cntl |= R128_DST_X_LEFT_TO_RIGHT; 711 } else { 712 xs += wi - 1; 713 xd += wi - 1; 714 } 715 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, dp_cntl); 716 717 /* now feed it coordinates */ 718 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 719 (xs << 16) | ys); 720 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, 721 (xd << 16) | yd); 722 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, 723 (wi << 16) | he); 724 } 725 726 static void 727 r128fb_cursor(void *cookie, int on, int row, int col) 728 { 729 struct rasops_info *ri = cookie; 730 struct vcons_screen *scr = ri->ri_hw; 731 struct r128fb_softc *sc = scr->scr_cookie; 732 int x, y, wi, he; 733 734 wi = ri->ri_font->fontwidth; 735 he = ri->ri_font->fontheight; 736 737 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 738 x = ri->ri_ccol * wi + ri->ri_xorigin; 739 y = ri->ri_crow * he + ri->ri_yorigin; 740 if (ri->ri_flg & RI_CURSOR) { 741 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 742 ri->ri_flg &= ~RI_CURSOR; 743 } 744 ri->ri_crow = row; 745 ri->ri_ccol = col; 746 if (on) { 747 x = ri->ri_ccol * wi + ri->ri_xorigin; 748 y = ri->ri_crow * he + ri->ri_yorigin; 749 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); 750 ri->ri_flg |= RI_CURSOR; 751 } 752 } else { 753 scr->scr_ri.ri_crow = row; 754 scr->scr_ri.ri_ccol = col; 755 scr->scr_ri.ri_flg &= ~RI_CURSOR; 756 } 757 758 } 759 760 static void 761 r128fb_putchar(void *cookie, int row, int col, u_int c, long attr) 762 { 763 struct rasops_info *ri = cookie; 764 struct wsdisplay_font *font = PICK_FONT(ri, c); 765 struct vcons_screen *scr = ri->ri_hw; 766 struct r128fb_softc *sc = scr->scr_cookie; 767 768 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 769 void *data; 770 uint32_t fg, bg; 771 int uc, i; 772 int x, y, wi, he, offset; 773 774 wi = font->fontwidth; 775 he = font->fontheight; 776 777 if (!CHAR_IN_FONT(c, font)) 778 return; 779 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 780 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 781 x = ri->ri_xorigin + col * wi; 782 y = ri->ri_yorigin + row * he; 783 if (c == 0x20) { 784 r128fb_rectfill(sc, x, y, wi, he, bg); 785 } else { 786 uc = c - font->firstchar; 787 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 788 789 r128fb_wait(sc, 8); 790 791 bus_space_write_4(sc->sc_memt, sc->sc_regh, 792 R128_DP_GUI_MASTER_CNTL, 793 R128_GMC_BRUSH_SOLID_COLOR | 794 R128_GMC_SRC_DATATYPE_MONO_FG_BG | 795 R128_ROP3_S | 796 R128_DP_SRC_SOURCE_HOST_DATA | 797 R128_GMC_DST_CLIPPING | 798 sc->sc_master_cntl); 799 800 bus_space_write_4(sc->sc_memt, sc->sc_regh, 801 R128_DP_CNTL, 802 R128_DST_Y_TOP_TO_BOTTOM | 803 R128_DST_X_LEFT_TO_RIGHT); 804 805 bus_space_write_4(sc->sc_memt, sc->sc_regh, 806 R128_DP_SRC_FRGD_CLR, fg); 807 bus_space_write_4(sc->sc_memt, sc->sc_regh, 808 R128_DP_SRC_BKGD_CLR, bg); 809 810 /* 811 * The Rage 128 doesn't have anything to skip pixels 812 * when colour expanding but all coordinates 813 * are signed so we just clip the leading bytes and 814 * trailing bits away 815 */ 816 bus_space_write_4(sc->sc_memt, sc->sc_regh, 817 R128_SC_RIGHT, x + wi - 1); 818 bus_space_write_4(sc->sc_memt, sc->sc_regh, 819 R128_SC_LEFT, x); 820 821 /* needed? */ 822 bus_space_write_4(sc->sc_memt, sc->sc_regh, 823 R128_SRC_X_Y, 0); 824 825 offset = 32 - (ri->ri_font->stride << 3); 826 bus_space_write_4(sc->sc_memt, sc->sc_regh, 827 R128_DST_X_Y, ((x - offset) << 16) | y); 828 bus_space_write_4(sc->sc_memt, sc->sc_regh, 829 R128_DST_WIDTH_HEIGHT, (32 << 16) | he); 830 831 r128fb_wait(sc, he); 832 switch (ri->ri_font->stride) { 833 case 1: { 834 uint8_t *data8 = data; 835 uint32_t reg; 836 for (i = 0; i < he; i++) { 837 reg = *data8; 838 bus_space_write_stream_4(sc->sc_memt, 839 sc->sc_regh, 840 R128_HOST_DATA0, reg); 841 data8++; 842 } 843 break; 844 } 845 case 2: { 846 uint16_t *data16 = data; 847 uint32_t reg; 848 for (i = 0; i < he; i++) { 849 reg = *data16; 850 bus_space_write_stream_4(sc->sc_memt, 851 sc->sc_regh, 852 R128_HOST_DATA0, reg); 853 data16++; 854 } 855 break; 856 } 857 } 858 } 859 } 860 } 861 862 static void 863 r128fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 864 { 865 struct rasops_info *ri = cookie; 866 struct vcons_screen *scr = ri->ri_hw; 867 struct r128fb_softc *sc = scr->scr_cookie; 868 int32_t xs, xd, y, width, height; 869 870 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 871 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 872 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 873 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 874 width = ri->ri_font->fontwidth * ncols; 875 height = ri->ri_font->fontheight; 876 r128fb_bitblt(sc, xs, y, xd, y, width, height, R128_ROP3_S); 877 } 878 } 879 880 static void 881 r128fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 882 { 883 struct rasops_info *ri = cookie; 884 struct vcons_screen *scr = ri->ri_hw; 885 struct r128fb_softc *sc = scr->scr_cookie; 886 int32_t x, y, width, height, fg, bg, ul; 887 888 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 889 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 890 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 891 width = ri->ri_font->fontwidth * ncols; 892 height = ri->ri_font->fontheight; 893 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 894 895 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 896 } 897 } 898 899 static void 900 r128fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 901 { 902 struct rasops_info *ri = cookie; 903 struct vcons_screen *scr = ri->ri_hw; 904 struct r128fb_softc *sc = scr->scr_cookie; 905 int32_t x, ys, yd, width, height; 906 907 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 908 x = ri->ri_xorigin; 909 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 910 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 911 width = ri->ri_emuwidth; 912 height = ri->ri_font->fontheight * nrows; 913 r128fb_bitblt(sc, x, ys, x, yd, width, height, R128_ROP3_S); 914 } 915 } 916 917 static void 918 r128fb_eraserows(void *cookie, int row, int nrows, long fillattr) 919 { 920 struct rasops_info *ri = cookie; 921 struct vcons_screen *scr = ri->ri_hw; 922 struct r128fb_softc *sc = scr->scr_cookie; 923 int32_t x, y, width, height, fg, bg, ul; 924 925 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 926 x = ri->ri_xorigin; 927 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 928 width = ri->ri_emuwidth; 929 height = ri->ri_font->fontheight * nrows; 930 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 931 932 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 933 } 934 } 935 936 static void 937 r128fb_set_backlight(struct r128fb_softc *sc, int level) 938 { 939 uint32_t reg; 940 941 /* 942 * should we do nothing when backlight is off, should we just store the 943 * level and use it when turning back on or should we just flip sc_bl_on 944 * and turn the backlight on? 945 * For now turn it on so a crashed screensaver can't get the user stuck 946 * with a dark screen as long as hotkeys work 947 */ 948 if (level > 255) level = 255; 949 if (level < 0) level = 0; 950 if (level == sc->sc_bl_level) 951 return; 952 sc->sc_bl_level = level; 953 if (sc->sc_bl_on == 0) 954 sc->sc_bl_on = 1; 955 level = 255 - level; 956 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL); 957 reg &= ~R128_LEVEL_MASK; 958 reg |= (level << R128_LEVEL_SHIFT) | 959 (level != 255 ? R128_LVDS_BLON : 0); 960 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL, reg); 961 DPRINTF("backlight level: %d reg %08x\n", level, reg); 962 } 963 964 static void 965 r128fb_switch_backlight(struct r128fb_softc *sc, int on) 966 { 967 uint32_t reg; 968 int level; 969 970 if (on == sc->sc_bl_on) 971 return; 972 sc->sc_bl_on = on; 973 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL); 974 reg &= ~R128_LEVEL_MASK; 975 if (on) { 976 reg |= R128_LVDS_BLON; 977 } else 978 reg &= ~R128_LVDS_BLON; 979 level = on ? 255 - sc->sc_bl_level : 255; 980 reg |= level << R128_LEVEL_SHIFT; 981 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL, reg); 982 DPRINTF("backlight state: %d reg %08x\n", on, reg); 983 } 984 985 986 static void 987 r128fb_brightness_up(device_t dev) 988 { 989 struct r128fb_softc *sc = device_private(dev); 990 991 r128fb_set_backlight(sc, sc->sc_bl_level + 8); 992 } 993 994 static void 995 r128fb_brightness_down(device_t dev) 996 { 997 struct r128fb_softc *sc = device_private(dev); 998 999 r128fb_set_backlight(sc, sc->sc_bl_level - 8); 1000 } 1001
Indexes created Sun Sep 28 16:09:52 GMT 2025