Annotation of src/sys/dev/pci/r128fb.c, Revision 1.1.4.2
1.1.4.2 ! bouyer 1: /* $NetBSD$ */
! 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: * 3. The name of the author may not be used to endorse or promote products
! 16: * derived from this software without specific prior written permission.
! 17: *
! 18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 19: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 20: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 21: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 22: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 23: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 24: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 25: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 26: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 27: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 28: */
! 29:
! 30: /*
! 31: * A console driver for ATI Rage 128 graphics controllers
! 32: * tested on macppc only so far
! 33: */
! 34:
! 35: #include <sys/cdefs.h>
! 36: __KERNEL_RCSID(0, "$NetBSD$");
! 37:
! 38: #include <sys/param.h>
! 39: #include <sys/systm.h>
! 40: #include <sys/kernel.h>
! 41: #include <sys/device.h>
! 42: #include <sys/malloc.h>
! 43: #include <sys/lwp.h>
! 44: #include <sys/kauth.h>
! 45:
! 46: #include <uvm/uvm_extern.h>
! 47:
! 48: #include <dev/videomode/videomode.h>
! 49:
! 50: #include <dev/pci/pcivar.h>
! 51: #include <dev/pci/pcireg.h>
! 52: #include <dev/pci/pcidevs.h>
! 53: #include <dev/pci/pciio.h>
! 54: #include <dev/pci/r128fbreg.h>
! 55:
! 56: #include <dev/wscons/wsdisplayvar.h>
! 57: #include <dev/wscons/wsconsio.h>
! 58: #include <dev/wsfont/wsfont.h>
! 59: #include <dev/rasops/rasops.h>
! 60: #include <dev/wscons/wsdisplay_vconsvar.h>
! 61:
! 62: #include <dev/i2c/i2cvar.h>
! 63:
! 64: struct r128fb_softc {
! 65: device_t sc_dev;
! 66:
! 67: pci_chipset_tag_t sc_pc;
! 68: pcitag_t sc_pcitag;
! 69:
! 70: bus_space_tag_t sc_memt;
! 71: bus_space_tag_t sc_iot;
! 72:
! 73: bus_space_handle_t sc_fbh;
! 74: bus_space_handle_t sc_regh;
! 75: bus_addr_t sc_fb, sc_reg;
! 76: bus_size_t sc_fbsize, sc_regsize;
! 77:
! 78: int sc_width, sc_height, sc_depth, sc_stride;
! 79: int sc_locked;
! 80: void *sc_fbaddr;
! 81: struct vcons_screen sc_console_screen;
! 82: struct wsscreen_descr sc_defaultscreen_descr;
! 83: const struct wsscreen_descr *sc_screens[1];
! 84: struct wsscreen_list sc_screenlist;
! 85: struct vcons_data vd;
! 86: int sc_mode;
! 87: u_char sc_cmap_red[256];
! 88: u_char sc_cmap_green[256];
! 89: u_char sc_cmap_blue[256];
! 90: /* engine stuff */
! 91: uint32_t sc_master_cntl;
! 92: };
! 93:
! 94: static int r128fb_match(device_t, cfdata_t, void *);
! 95: static void r128fb_attach(device_t, device_t, void *);
! 96:
! 97: CFATTACH_DECL_NEW(r128fb, sizeof(struct r128fb_softc),
! 98: r128fb_match, r128fb_attach, NULL, NULL);
! 99:
! 100: extern const u_char rasops_cmap[768];
! 101:
! 102: static int r128fb_ioctl(void *, void *, u_long, void *, int,
! 103: struct lwp *);
! 104: static paddr_t r128fb_mmap(void *, void *, off_t, int);
! 105: static void r128fb_init_screen(void *, struct vcons_screen *, int, long *);
! 106:
! 107: static int r128fb_putcmap(struct r128fb_softc *, struct wsdisplay_cmap *);
! 108: static int r128fb_getcmap(struct r128fb_softc *, struct wsdisplay_cmap *);
! 109: static void r128fb_restore_palette(struct r128fb_softc *);
! 110: static int r128fb_putpalreg(struct r128fb_softc *, uint8_t, uint8_t,
! 111: uint8_t, uint8_t);
! 112:
! 113: static void r128fb_init(struct r128fb_softc *);
! 114: static void r128fb_flush_engine(struct r128fb_softc *);
! 115: static void r128fb_rectfill(struct r128fb_softc *, int, int, int, int,
! 116: uint32_t);
! 117: static void r128fb_bitblt(struct r128fb_softc *, int, int, int, int, int,
! 118: int, int);
! 119:
! 120: static void r128fb_cursor(void *, int, int, int);
! 121: #if 0
! 122: static void r128fb_putchar(void *, int, int, u_int, long);
! 123: #endif
! 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: struct wsdisplay_accessops r128fb_accessops = {
! 130: r128fb_ioctl,
! 131: r128fb_mmap,
! 132: NULL, /* alloc_screen */
! 133: NULL, /* free_screen */
! 134: NULL, /* show_screen */
! 135: NULL, /* load_font */
! 136: NULL, /* pollc */
! 137: NULL /* scroll */
! 138: };
! 139:
! 140: static inline void
! 141: r128fb_wait(struct r128fb_softc *sc, int slots)
! 142: {
! 143: uint32_t reg;
! 144:
! 145: do {
! 146: reg = (bus_space_read_4(sc->sc_memt, sc->sc_regh,
! 147: R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK);
! 148: } while (reg <= slots);
! 149: }
! 150:
! 151: static void
! 152: r128fb_flush_engine(struct r128fb_softc *sc)
! 153: {
! 154: uint32_t reg;
! 155:
! 156: reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT);
! 157: reg |= R128_PC_FLUSH_ALL;
! 158: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT, reg);
! 159: do {
! 160: reg = bus_space_read_4(sc->sc_memt, sc->sc_regh,
! 161: R128_PC_NGUI_CTLSTAT);
! 162: } while (reg & R128_PC_BUSY);
! 163: }
! 164:
! 165: static int
! 166: r128fb_match(device_t parent, cfdata_t match, void *aux)
! 167: {
! 168: struct pci_attach_args *pa = (struct pci_attach_args *)aux;
! 169:
! 170: if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY ||
! 171: PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_DISPLAY_VGA)
! 172: return 0;
! 173: if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
! 174: return 0;
! 175:
! 176: /* only card tested on so far - likely need a list */
! 177: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE1AGP4XT)
! 178: return 100;
! 179: return (0);
! 180: }
! 181:
! 182: static void
! 183: r128fb_attach(device_t parent, device_t self, void *aux)
! 184: {
! 185: struct r128fb_softc *sc = device_private(self);
! 186: struct pci_attach_args *pa = aux;
! 187: struct rasops_info *ri;
! 188: char devinfo[256];
! 189: struct wsemuldisplaydev_attach_args aa;
! 190: prop_dictionary_t dict;
! 191: unsigned long defattr;
! 192: bool is_console;
! 193: int i, j;
! 194:
! 195: sc->sc_pc = pa->pa_pc;
! 196: sc->sc_pcitag = pa->pa_tag;
! 197: sc->sc_memt = pa->pa_memt;
! 198: sc->sc_iot = pa->pa_iot;
! 199: sc->sc_dev = self;
! 200:
! 201: pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
! 202: aprint_normal(": %s\n", devinfo);
! 203:
! 204: /* fill in parameters from properties */
! 205: dict = device_properties(self);
! 206: if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) {
! 207: aprint_error("%s: no width property\n", device_xname(self));
! 208: return;
! 209: }
! 210: if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) {
! 211: aprint_error("%s: no height property\n", device_xname(self));
! 212: return;
! 213: }
! 214: if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) {
! 215: aprint_error("%s: no depth property\n", device_xname(self));
! 216: return;
! 217: }
! 218: if (!prop_dictionary_get_uint32(dict, "linebytes", &sc->sc_stride)) {
! 219: aprint_error("%s: no linebytes property\n",
! 220: device_xname(self));
! 221: return;
! 222: }
! 223:
! 224: prop_dictionary_get_bool(dict, "is_console", &is_console);
! 225:
! 226: if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM,
! 227: BUS_SPACE_MAP_LINEAR,
! 228: &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) {
! 229: aprint_error("%s: failed to map the frame buffer.\n",
! 230: device_xname(sc->sc_dev));
! 231: }
! 232: sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh);
! 233:
! 234: if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0,
! 235: &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) {
! 236: aprint_error("%s: failed to map registers.\n",
! 237: device_xname(sc->sc_dev));
! 238: }
! 239:
! 240: aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self),
! 241: (sc->sc_fbsize >> 20), sc->sc_fb);
! 242:
! 243: sc->sc_defaultscreen_descr = (struct wsscreen_descr){
! 244: "default",
! 245: 0, 0,
! 246: NULL,
! 247: 8, 16,
! 248: WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
! 249: NULL
! 250: };
! 251: sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
! 252: sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
! 253: sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
! 254: sc->sc_locked = 0;
! 255:
! 256: vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
! 257: &r128fb_accessops);
! 258: sc->vd.init_screen = r128fb_init_screen;
! 259:
! 260: /* init engine here */
! 261: r128fb_init(sc);
! 262:
! 263: ri = &sc->sc_console_screen.scr_ri;
! 264:
! 265: if (is_console) {
! 266: vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
! 267: &defattr);
! 268: sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
! 269:
! 270: sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
! 271: sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
! 272: sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
! 273: sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
! 274: wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
! 275: defattr);
! 276: } else {
! 277: /*
! 278: * since we're not the console we can postpone the rest
! 279: * until someone actually allocates a screen for us
! 280: */
! 281: (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
! 282: }
! 283:
! 284: j = 0;
! 285: for (i = 0; i < (1 << sc->sc_depth); i++) {
! 286:
! 287: sc->sc_cmap_red[i] = rasops_cmap[j];
! 288: sc->sc_cmap_green[i] = rasops_cmap[j + 1];
! 289: sc->sc_cmap_blue[i] = rasops_cmap[j + 2];
! 290: r128fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1],
! 291: rasops_cmap[j + 2]);
! 292: j += 3;
! 293: }
! 294:
! 295: r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
! 296: ri->ri_devcmap[(defattr >> 16) & 0xff]);
! 297:
! 298: aa.console = is_console;
! 299: aa.scrdata = &sc->sc_screenlist;
! 300: aa.accessops = &r128fb_accessops;
! 301: aa.accesscookie = &sc->vd;
! 302:
! 303: config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
! 304:
! 305: }
! 306:
! 307: static int
! 308: r128fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
! 309: struct lwp *l)
! 310: {
! 311: struct vcons_data *vd = v;
! 312: struct r128fb_softc *sc = vd->cookie;
! 313: struct wsdisplay_fbinfo *wdf;
! 314: struct vcons_screen *ms = vd->active;
! 315:
! 316: switch (cmd) {
! 317:
! 318: case WSDISPLAYIO_GTYPE:
! 319: *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
! 320: return 0;
! 321:
! 322: /* PCI config read/write passthrough. */
! 323: case PCI_IOC_CFGREAD:
! 324: case PCI_IOC_CFGWRITE:
! 325: return (pci_devioctl(sc->sc_pc, sc->sc_pcitag,
! 326: cmd, data, flag, l));
! 327:
! 328: case WSDISPLAYIO_GINFO:
! 329: if (ms == NULL)
! 330: return ENODEV;
! 331: wdf = (void *)data;
! 332: wdf->height = ms->scr_ri.ri_height;
! 333: wdf->width = ms->scr_ri.ri_width;
! 334: wdf->depth = ms->scr_ri.ri_depth;
! 335: wdf->cmsize = 256;
! 336: return 0;
! 337:
! 338: case WSDISPLAYIO_GETCMAP:
! 339: return r128fb_getcmap(sc,
! 340: (struct wsdisplay_cmap *)data);
! 341:
! 342: case WSDISPLAYIO_PUTCMAP:
! 343: return r128fb_putcmap(sc,
! 344: (struct wsdisplay_cmap *)data);
! 345:
! 346: case WSDISPLAYIO_LINEBYTES:
! 347: *(u_int *)data = sc->sc_stride;
! 348: return 0;
! 349:
! 350: case WSDISPLAYIO_SMODE:
! 351: {
! 352: int new_mode = *(int*)data;
! 353:
! 354: /* notify the bus backend */
! 355: if (new_mode != sc->sc_mode) {
! 356: sc->sc_mode = new_mode;
! 357: if(new_mode == WSDISPLAYIO_MODE_EMUL) {
! 358: r128fb_restore_palette(sc);
! 359: vcons_redraw_screen(ms);
! 360: }
! 361: }
! 362: }
! 363: return 0;
! 364: }
! 365: return EPASSTHROUGH;
! 366: }
! 367:
! 368: static paddr_t
! 369: r128fb_mmap(void *v, void *vs, off_t offset, int prot)
! 370: {
! 371: struct vcons_data *vd = v;
! 372: struct r128fb_softc *sc = vd->cookie;
! 373: struct lwp *me;
! 374: paddr_t pa;
! 375:
! 376: /* 'regular' framebuffer mmap()ing */
! 377: if (offset < sc->sc_fbsize) {
! 378: pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot,
! 379: BUS_SPACE_MAP_LINEAR);
! 380: return pa;
! 381: }
! 382:
! 383: /*
! 384: * restrict all other mappings to processes with superuser privileges
! 385: * or the kernel itself
! 386: */
! 387: me = curlwp;
! 388: if (me != NULL) {
! 389: if (kauth_authorize_generic(me->l_cred, KAUTH_GENERIC_ISSUSER,
! 390: NULL) != 0) {
! 391: aprint_normal("%s: mmap() rejected.\n",
! 392: device_xname(sc->sc_dev));
! 393: return -1;
! 394: }
! 395: }
! 396:
! 397: if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) {
! 398: pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
! 399: BUS_SPACE_MAP_LINEAR);
! 400: return pa;
! 401: }
! 402:
! 403: if ((offset >= sc->sc_reg) &&
! 404: (offset < (sc->sc_reg + sc->sc_regsize))) {
! 405: pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
! 406: BUS_SPACE_MAP_LINEAR);
! 407: return pa;
! 408: }
! 409:
! 410: #ifdef macppc
! 411: /* allow mapping of IO space */
! 412: if ((offset >= 0xf2000000) && (offset < 0xf2800000)) {
! 413: pa = bus_space_mmap(sc->sc_iot, offset - 0xf2000000, 0, prot,
! 414: BUS_SPACE_MAP_LINEAR);
! 415: return pa;
! 416: }
! 417: #endif
! 418:
! 419: #ifdef OFB_ALLOW_OTHERS
! 420: if (offset >= 0x80000000) {
! 421: pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
! 422: BUS_SPACE_MAP_LINEAR);
! 423: return pa;
! 424: }
! 425: #endif
! 426: return -1;
! 427: }
! 428:
! 429: static void
! 430: r128fb_init_screen(void *cookie, struct vcons_screen *scr,
! 431: int existing, long *defattr)
! 432: {
! 433: struct r128fb_softc *sc = cookie;
! 434: struct rasops_info *ri = &scr->scr_ri;
! 435:
! 436: ri->ri_depth = sc->sc_depth;
! 437: ri->ri_width = sc->sc_width;
! 438: ri->ri_height = sc->sc_height;
! 439: ri->ri_stride = sc->sc_stride;
! 440: ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
! 441:
! 442: ri->ri_bits = (char *)sc->sc_fbaddr;
! 443:
! 444: if (existing) {
! 445: ri->ri_flg |= RI_CLEAR;
! 446: }
! 447:
! 448: rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8);
! 449: ri->ri_caps = WSSCREEN_WSCOLORS;
! 450:
! 451: rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
! 452: sc->sc_width / ri->ri_font->fontwidth);
! 453:
! 454: ri->ri_hw = scr;
! 455: ri->ri_ops.copyrows = r128fb_copyrows;
! 456: ri->ri_ops.copycols = r128fb_copycols;
! 457: ri->ri_ops.eraserows = r128fb_eraserows;
! 458: ri->ri_ops.erasecols = r128fb_erasecols;
! 459: ri->ri_ops.cursor = r128fb_cursor;
! 460: #if 0
! 461: ri->ri_ops.putchar = r128fb_putchar;
! 462: #endif
! 463: }
! 464:
! 465: static int
! 466: r128fb_putcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm)
! 467: {
! 468: u_char *r, *g, *b;
! 469: u_int index = cm->index;
! 470: u_int count = cm->count;
! 471: int i, error;
! 472: u_char rbuf[256], gbuf[256], bbuf[256];
! 473:
! 474: #ifdef R128FB_DEBUG
! 475: aprint_debug("putcmap: %d %d\n",index, count);
! 476: #endif
! 477: if (cm->index >= 256 || cm->count > 256 ||
! 478: (cm->index + cm->count) > 256)
! 479: return EINVAL;
! 480: error = copyin(cm->red, &rbuf[index], count);
! 481: if (error)
! 482: return error;
! 483: error = copyin(cm->green, &gbuf[index], count);
! 484: if (error)
! 485: return error;
! 486: error = copyin(cm->blue, &bbuf[index], count);
! 487: if (error)
! 488: return error;
! 489:
! 490: memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
! 491: memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
! 492: memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
! 493:
! 494: r = &sc->sc_cmap_red[index];
! 495: g = &sc->sc_cmap_green[index];
! 496: b = &sc->sc_cmap_blue[index];
! 497:
! 498: for (i = 0; i < count; i++) {
! 499: r128fb_putpalreg(sc, index, *r, *g, *b);
! 500: index++;
! 501: r++, g++, b++;
! 502: }
! 503: return 0;
! 504: }
! 505:
! 506: static int
! 507: r128fb_getcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm)
! 508: {
! 509: u_int index = cm->index;
! 510: u_int count = cm->count;
! 511: int error;
! 512:
! 513: if (index >= 255 || count > 256 || index + count > 256)
! 514: return EINVAL;
! 515:
! 516: error = copyout(&sc->sc_cmap_red[index], cm->red, count);
! 517: if (error)
! 518: return error;
! 519: error = copyout(&sc->sc_cmap_green[index], cm->green, count);
! 520: if (error)
! 521: return error;
! 522: error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
! 523: if (error)
! 524: return error;
! 525:
! 526: return 0;
! 527: }
! 528:
! 529: static void
! 530: r128fb_restore_palette(struct r128fb_softc *sc)
! 531: {
! 532: int i;
! 533:
! 534: for (i = 0; i < (1 << sc->sc_depth); i++) {
! 535: r128fb_putpalreg(sc, i, sc->sc_cmap_red[i],
! 536: sc->sc_cmap_green[i], sc->sc_cmap_blue[i]);
! 537: }
! 538: }
! 539:
! 540: static int
! 541: r128fb_putpalreg(struct r128fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g,
! 542: uint8_t b)
! 543: {
! 544: uint32_t reg;
! 545:
! 546: /* whack the DAC */
! 547: reg = (r << 16) | (g << 8) | b;
! 548: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_INDEX, idx);
! 549: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_DATA, reg);
! 550: return 0;
! 551: }
! 552:
! 553: static void
! 554: r128fb_init(struct r128fb_softc *sc)
! 555: {
! 556: uint32_t datatype;
! 557:
! 558: r128fb_flush_engine(sc);
! 559:
! 560: r128fb_wait(sc, 8);
! 561: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_OFFSET, 0);
! 562: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_OFFSET, 0);
! 563: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_PITCH,
! 564: sc->sc_stride >> 3);
! 565: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_AUX_SC_CNTL, 0);
! 566: bus_space_write_4(sc->sc_memt, sc->sc_regh,
! 567: R128_DEFAULT_SC_BOTTOM_RIGHT,
! 568: R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX);
! 569: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_TOP_LEFT, 0);
! 570: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_BOTTOM_RIGHT,
! 571: R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX);
! 572: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE,
! 573: R128_HOST_BIG_ENDIAN_EN);
! 574:
! 575: r128fb_wait(sc, 5);
! 576: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_PITCH,
! 577: sc->sc_stride >> 3);
! 578: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_PITCH,
! 579: sc->sc_stride >> 3);
! 580: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_OFFSET, 0);
! 581: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_OFFSET, 0);
! 582: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_WRITE_MASK,
! 583: 0xffffffff);
! 584:
! 585: switch (sc->sc_depth) {
! 586: case 8:
! 587: datatype = R128_GMC_DST_8BPP_CI;
! 588: break;
! 589: case 15:
! 590: datatype = R128_GMC_DST_15BPP;
! 591: break;
! 592: case 16:
! 593: datatype = R128_GMC_DST_16BPP;
! 594: break;
! 595: case 24:
! 596: datatype = R128_GMC_DST_24BPP;
! 597: break;
! 598: case 32:
! 599: datatype = R128_GMC_DST_32BPP;
! 600: break;
! 601: default:
! 602: aprint_error("%s: unsupported depth %d\n",
! 603: device_xname(sc->sc_dev), sc->sc_depth);
! 604: return;
! 605: }
! 606: sc->sc_master_cntl = R128_GMC_CLR_CMP_CNTL_DIS |
! 607: R128_GMC_AUX_CLIP_DIS | datatype;
! 608:
! 609: r128fb_flush_engine(sc);
! 610: }
! 611:
! 612: static void
! 613: r128fb_rectfill(struct r128fb_softc *sc, int x, int y, int wi, int he,
! 614: uint32_t colour)
! 615: {
! 616:
! 617: r128fb_wait(sc, 6);
! 618: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL,
! 619: R128_GMC_BRUSH_SOLID_COLOR |
! 620: R128_GMC_SRC_DATATYPE_COLOR |
! 621: R128_ROP3_P |
! 622: sc->sc_master_cntl);
! 623:
! 624: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_BRUSH_FRGD_CLR,
! 625: colour);
! 626: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL,
! 627: R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM);
! 628: /* now feed it coordinates */
! 629: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y,
! 630: (x << 16) | y);
! 631: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT,
! 632: (wi << 16) | he);
! 633: r128fb_flush_engine(sc);
! 634: }
! 635:
! 636: static void
! 637: r128fb_bitblt(struct r128fb_softc *sc, int xs, int ys, int xd, int yd,
! 638: int wi, int he, int rop)
! 639: {
! 640: uint32_t dp_cntl = 0;
! 641:
! 642: r128fb_wait(sc, 5);
! 643: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL,
! 644: R128_GMC_BRUSH_SOLID_COLOR |
! 645: R128_GMC_SRC_DATATYPE_COLOR |
! 646: rop |
! 647: R128_DP_SRC_SOURCE_MEMORY |
! 648: sc->sc_master_cntl);
! 649:
! 650: if (yd <= ys) {
! 651: dp_cntl = R128_DST_Y_TOP_TO_BOTTOM;
! 652: } else {
! 653: ys += he - 1;
! 654: yd += he - 1;
! 655: }
! 656: if (xd <= xs) {
! 657: dp_cntl |= R128_DST_X_LEFT_TO_RIGHT;
! 658: } else {
! 659: xs += wi - 1;
! 660: xd += wi - 1;
! 661: }
! 662: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, dp_cntl);
! 663:
! 664: /* now feed it coordinates */
! 665: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y,
! 666: (xs << 16) | ys);
! 667: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y,
! 668: (xd << 16) | yd);
! 669: bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT,
! 670: (wi << 16) | he);
! 671: r128fb_flush_engine(sc);
! 672: }
! 673:
! 674: static void
! 675: r128fb_cursor(void *cookie, int on, int row, int col)
! 676: {
! 677: struct rasops_info *ri = cookie;
! 678: struct vcons_screen *scr = ri->ri_hw;
! 679: struct r128fb_softc *sc = scr->scr_cookie;
! 680: int x, y, wi, he;
! 681:
! 682: wi = ri->ri_font->fontwidth;
! 683: he = ri->ri_font->fontheight;
! 684:
! 685: if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
! 686: x = ri->ri_ccol * wi + ri->ri_xorigin;
! 687: y = ri->ri_crow * he + ri->ri_yorigin;
! 688: if (ri->ri_flg & RI_CURSOR) {
! 689: r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn);
! 690: ri->ri_flg &= ~RI_CURSOR;
! 691: }
! 692: ri->ri_crow = row;
! 693: ri->ri_ccol = col;
! 694: if (on) {
! 695: x = ri->ri_ccol * wi + ri->ri_xorigin;
! 696: y = ri->ri_crow * he + ri->ri_yorigin;
! 697: r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn);
! 698: ri->ri_flg |= RI_CURSOR;;
! 699: }
! 700: } else {
! 701: scr->scr_ri.ri_crow = row;
! 702: scr->scr_ri.ri_ccol = col;
! 703: scr->scr_ri.ri_flg &= ~RI_CURSOR;
! 704: }
! 705:
! 706: }
! 707:
! 708: #if 0
! 709: static void
! 710: r128fb_putchar(void *cookie, int row, int col, u_int c, long attr)
! 711: {
! 712: }
! 713: #endif
! 714:
! 715: static void
! 716: r128fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
! 717: {
! 718: struct rasops_info *ri = cookie;
! 719: struct vcons_screen *scr = ri->ri_hw;
! 720: struct r128fb_softc *sc = scr->scr_cookie;
! 721: int32_t xs, xd, y, width, height;
! 722:
! 723: if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
! 724: xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
! 725: xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
! 726: y = ri->ri_yorigin + ri->ri_font->fontheight * row;
! 727: width = ri->ri_font->fontwidth * ncols;
! 728: height = ri->ri_font->fontheight;
! 729: r128fb_bitblt(sc, xs, y, xd, y, width, height, R128_ROP3_S);
! 730: }
! 731: }
! 732:
! 733: static void
! 734: r128fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
! 735: {
! 736: struct rasops_info *ri = cookie;
! 737: struct vcons_screen *scr = ri->ri_hw;
! 738: struct r128fb_softc *sc = scr->scr_cookie;
! 739: int32_t x, y, width, height, fg, bg, ul;
! 740:
! 741: if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
! 742: x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
! 743: y = ri->ri_yorigin + ri->ri_font->fontheight * row;
! 744: width = ri->ri_font->fontwidth * ncols;
! 745: height = ri->ri_font->fontheight;
! 746: rasops_unpack_attr(fillattr, &fg, &bg, &ul);
! 747:
! 748: r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
! 749: }
! 750: }
! 751:
! 752: static void
! 753: r128fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
! 754: {
! 755: struct rasops_info *ri = cookie;
! 756: struct vcons_screen *scr = ri->ri_hw;
! 757: struct r128fb_softc *sc = scr->scr_cookie;
! 758: int32_t x, ys, yd, width, height;
! 759:
! 760: if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
! 761: x = ri->ri_xorigin;
! 762: ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
! 763: yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
! 764: width = ri->ri_emuwidth;
! 765: height = ri->ri_font->fontheight*nrows;
! 766: r128fb_bitblt(sc, x, ys, x, yd, width, height, R128_ROP3_S);
! 767: }
! 768: }
! 769:
! 770: static void
! 771: r128fb_eraserows(void *cookie, int row, int nrows, long fillattr)
! 772: {
! 773: struct rasops_info *ri = cookie;
! 774: struct vcons_screen *scr = ri->ri_hw;
! 775: struct r128fb_softc *sc = scr->scr_cookie;
! 776: int32_t x, y, width, height, fg, bg, ul;
! 777:
! 778: if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
! 779: x = ri->ri_xorigin;
! 780: y = ri->ri_yorigin + ri->ri_font->fontheight * row;
! 781: width = ri->ri_emuwidth;
! 782: height = ri->ri_font->fontheight * nrows;
! 783: rasops_unpack_attr(fillattr, &fg, &bg, &ul);
! 784:
! 785: r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
! 786: }
! 787: }
! 788:
CVSweb <webmaster@jp.NetBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to r128fb.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [cvs.NetBSD.org] / src / sys / dev / pci