Annotation of sys/dev/sbus/cgthree.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cgthree.c,v 1.43 2006/12/17 22:18:16 miod Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2001 Jason L. Wright (jason@thought.net)
! 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
! 18: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
! 19: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
! 20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 22: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
! 25: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 26: * POSSIBILITY OF SUCH DAMAGE.
! 27: *
! 28: * Effort sponsored in part by the Defense Advanced Research Projects
! 29: * Agency (DARPA) and Air Force Research Laboratory, Air Force
! 30: * Materiel Command, USAF, under agreement number F30602-01-2-0537.
! 31: *
! 32: */
! 33:
! 34: #include <sys/param.h>
! 35: #include <sys/systm.h>
! 36: #include <sys/kernel.h>
! 37: #include <sys/errno.h>
! 38: #include <sys/device.h>
! 39: #include <sys/ioctl.h>
! 40: #include <sys/malloc.h>
! 41:
! 42: #include <machine/bus.h>
! 43: #include <machine/intr.h>
! 44: #include <machine/autoconf.h>
! 45: #include <machine/openfirm.h>
! 46:
! 47: #include <dev/sbus/sbusvar.h>
! 48: #include <dev/wscons/wsconsio.h>
! 49: #include <dev/wscons/wsdisplayvar.h>
! 50: #include <dev/rasops/rasops.h>
! 51: #include <machine/fbvar.h>
! 52:
! 53: #include <dev/ic/bt458reg.h>
! 54:
! 55: #define CGTHREE_CTRL_OFFSET 0x400000
! 56: #define CGTHREE_CTRL_SIZE (sizeof(u_int32_t) * 8)
! 57: #define CGTHREE_VID_OFFSET 0x800000
! 58: #define CGTHREE_VID_SIZE (1024 * 1024)
! 59:
! 60: union bt_cmap {
! 61: u_int8_t cm_map[256][3]; /* 256 r/b/g entries */
! 62: u_int32_t cm_chip[256 * 3 / 4]; /* the way the chip is loaded */
! 63: };
! 64:
! 65: #define BT_ADDR 0x00 /* map address register */
! 66: #define BT_CMAP 0x04 /* colormap data register */
! 67: #define BT_CTRL 0x08 /* control register */
! 68: #define BT_OMAP 0x0c /* overlay (cursor) map register */
! 69: #define CG3_FBC_CTRL 0x10 /* control */
! 70: #define CG3_FBC_STAT 0x11 /* status */
! 71: #define CG3_FBC_START 0x12 /* cursor start */
! 72: #define CG3_FBC_END 0x13 /* cursor end */
! 73: #define CG3_FBC_VCTRL 0x14 /* 12 bytes of timing goo */
! 74:
! 75: #define BT_WRITE(sc, reg, val) \
! 76: bus_space_write_4((sc)->sc_bustag, (sc)->sc_ctrl_regs, (reg), (val))
! 77: #define BT_READ(sc, reg) \
! 78: bus_space_read_4((sc)->sc_bustag, (sc)->sc_ctrl_regs, (reg))
! 79: #define BT_BARRIER(sc,reg,flags) \
! 80: bus_space_barrier((sc)->sc_bustag, (sc)->sc_ctrl_regs, (reg), \
! 81: sizeof(u_int32_t), (flags))
! 82:
! 83: #define BT_D4M3(x) ((((x) >> 2) << 1) + ((x) >> 2)) /* (x / 4) * 3 */
! 84: #define BT_D4M4(x) ((x) & ~3) /* (x / 4) * 4 */
! 85:
! 86: #define FBC_CTRL_IENAB 0x80 /* interrupt enable */
! 87: #define FBC_CTRL_VENAB 0x40 /* video enable */
! 88: #define FBC_CTRL_TIME 0x20 /* timing enable */
! 89: #define FBC_CTRL_CURS 0x10 /* cursor compare enable */
! 90: #define FBC_CTRL_XTAL 0x0c /* xtal select (0,1,2,test): */
! 91: #define FBC_CTRL_XTAL_0 0x00 /* 0 */
! 92: #define FBC_CTRL_XTAL_1 0x04 /* 0 */
! 93: #define FBC_CTRL_XTAL_2 0x08 /* 0 */
! 94: #define FBC_CTRL_XTAL_TEST 0x0c /* 0 */
! 95: #define FBC_CTRL_DIV 0x03 /* divisor (1,2,3,4): */
! 96: #define FBC_CTRL_DIV_1 0x00 /* / 1 */
! 97: #define FBC_CTRL_DIV_2 0x01 /* / 2 */
! 98: #define FBC_CTRL_DIV_3 0x02 /* / 3 */
! 99: #define FBC_CTRL_DIV_4 0x03 /* / 4 */
! 100:
! 101: #define FBC_STAT_INTR 0x80 /* interrupt pending */
! 102: #define FBC_STAT_RES 0x70 /* monitor sense: */
! 103: #define FBC_STAT_RES_1024 0x10 /* 1024x768 */
! 104: #define FBC_STAT_RES_1280 0x40 /* 1280x1024 */
! 105: #define FBC_STAT_RES_1152 0x30 /* 1152x900 */
! 106: #define FBC_STAT_RES_1152A 0x40 /* 1152x900x76, A */
! 107: #define FBC_STAT_RES_1600 0x50 /* 1600x1200 */
! 108: #define FBC_STAT_RES_1152B 0x60 /* 1152x900x86, B */
! 109: #define FBC_STAT_ID 0x0f /* id mask: */
! 110: #define FBC_STAT_ID_COLOR 0x01 /* color */
! 111: #define FBC_STAT_ID_MONO 0x02 /* monochrome */
! 112: #define FBC_STAT_ID_MONOECL 0x03 /* monochrome, ecl */
! 113:
! 114: #define FBC_READ(sc, reg) \
! 115: bus_space_read_1((sc)->sc_bustag, (sc)->sc_ctrl_regs, (reg))
! 116: #define FBC_WRITE(sc, reg, val) \
! 117: bus_space_write_1((sc)->sc_bustag, (sc)->sc_ctrl_regs, (reg), (val))
! 118:
! 119: struct cgthree_softc {
! 120: struct sunfb sc_sunfb;
! 121: bus_space_tag_t sc_bustag;
! 122: bus_addr_t sc_paddr;
! 123: bus_space_handle_t sc_ctrl_regs;
! 124: bus_space_handle_t sc_vid_regs;
! 125: int sc_nscreens;
! 126: union bt_cmap sc_cmap;
! 127: u_int sc_mode;
! 128: };
! 129:
! 130: int cgthree_ioctl(void *, u_long, caddr_t, int, struct proc *);
! 131: int cgthree_alloc_screen(void *, const struct wsscreen_descr *, void **,
! 132: int *, int *, long *);
! 133: void cgthree_free_screen(void *, void *);
! 134: int cgthree_show_screen(void *, void *, int, void (*cb)(void *, int, int),
! 135: void *);
! 136: paddr_t cgthree_mmap(void *, off_t, int);
! 137: int cgthree_is_console(int);
! 138: void cgthree_loadcmap(struct cgthree_softc *, u_int, u_int);
! 139: int cg3_bt_putcmap(union bt_cmap *, struct wsdisplay_cmap *);
! 140: int cg3_bt_getcmap(union bt_cmap *, struct wsdisplay_cmap *);
! 141: void cgthree_setcolor(void *, u_int, u_int8_t, u_int8_t, u_int8_t);
! 142: void cgthree_burner(void *, u_int, u_int);
! 143: void cgthree_reset(struct cgthree_softc *);
! 144:
! 145: struct wsdisplay_accessops cgthree_accessops = {
! 146: cgthree_ioctl,
! 147: cgthree_mmap,
! 148: cgthree_alloc_screen,
! 149: cgthree_free_screen,
! 150: cgthree_show_screen,
! 151: NULL, /* load_font */
! 152: NULL, /* scrollback */
! 153: NULL, /* getchar */
! 154: cgthree_burner,
! 155: };
! 156:
! 157: int cgthreematch(struct device *, void *, void *);
! 158: void cgthreeattach(struct device *, struct device *, void *);
! 159:
! 160: struct cfattach cgthree_ca = {
! 161: sizeof (struct cgthree_softc), cgthreematch, cgthreeattach
! 162: };
! 163:
! 164: struct cfdriver cgthree_cd = {
! 165: NULL, "cgthree", DV_DULL
! 166: };
! 167:
! 168: #define CG3_TYPE_DEFAULT 0
! 169: #define CG3_TYPE_76HZ 1
! 170: #define CG3_TYPE_SMALL 2
! 171:
! 172: struct cg3_videoctrl {
! 173: u_int8_t sense;
! 174: u_int8_t vctrl[12];
! 175: u_int8_t ctrl;
! 176: } cg3_videoctrl[] = {
! 177: { /* cpd-1790 */
! 178: 0x31,
! 179: { 0xbb, 0x2b, 0x04, 0x14, 0xae, 0x03,
! 180: 0xa8, 0x24, 0x01, 0x05, 0xff, 0x01 },
! 181: FBC_CTRL_XTAL_0 | FBC_CTRL_DIV_1
! 182: },
! 183: { /* gdm-20e20 */
! 184: 0x41,
! 185: { 0xb7, 0x27, 0x03, 0x0f, 0xae, 0x03,
! 186: 0xae, 0x2a, 0x01, 0x09, 0xff, 0x01 },
! 187: FBC_CTRL_XTAL_1 | FBC_CTRL_DIV_1
! 188: },
! 189: { /* defaults, should be last */
! 190: 0xff,
! 191: { 0xbb, 0x2b, 0x03, 0x0b, 0xb3, 0x03,
! 192: 0xaf, 0x2b, 0x02, 0x0a, 0xff, 0x01 },
! 193: 0,
! 194: },
! 195: };
! 196:
! 197: int
! 198: cgthreematch(struct device *parent, void *vcf, void *aux)
! 199: {
! 200: struct cfdata *cf = vcf;
! 201: struct sbus_attach_args *sa = aux;
! 202:
! 203: return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0);
! 204: }
! 205:
! 206: void
! 207: cgthreeattach(struct device *parent, struct device *self, void *aux)
! 208: {
! 209: struct cgthree_softc *sc = (struct cgthree_softc *)self;
! 210: struct sbus_attach_args *sa = aux;
! 211: int node, console;
! 212: const char *nam;
! 213:
! 214: node = sa->sa_node;
! 215: sc->sc_bustag = sa->sa_bustag;
! 216: sc->sc_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, sa->sa_offset);
! 217:
! 218: fb_setsize(&sc->sc_sunfb, 8, 1152, 900, node, 0);
! 219:
! 220: if (sa->sa_nreg != 1) {
! 221: printf(": expected %d registers, got %d\n", 1, sa->sa_nreg);
! 222: goto fail;
! 223: }
! 224:
! 225: /*
! 226: * Map just CTRL and video RAM.
! 227: */
! 228: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot,
! 229: sa->sa_reg[0].sbr_offset + CGTHREE_CTRL_OFFSET,
! 230: CGTHREE_CTRL_SIZE, 0, 0, &sc->sc_ctrl_regs) != 0) {
! 231: printf(": cannot map ctrl registers\n");
! 232: goto fail_ctrl;
! 233: }
! 234:
! 235: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot,
! 236: sa->sa_reg[0].sbr_offset + CGTHREE_VID_OFFSET,
! 237: sc->sc_sunfb.sf_fbsize, BUS_SPACE_MAP_LINEAR,
! 238: 0, &sc->sc_vid_regs) != 0) {
! 239: printf(": cannot map vid registers\n");
! 240: goto fail_vid;
! 241: }
! 242:
! 243: nam = getpropstring(node, "model");
! 244: if (*nam == '\0')
! 245: nam = sa->sa_name;
! 246: printf(": %s", nam);
! 247:
! 248: console = cgthree_is_console(node);
! 249:
! 250: cgthree_reset(sc);
! 251: cgthree_burner(sc, 1, 0);
! 252:
! 253: sc->sc_sunfb.sf_ro.ri_bits = (void *)bus_space_vaddr(sc->sc_bustag,
! 254: sc->sc_vid_regs);
! 255: sc->sc_sunfb.sf_ro.ri_hw = sc;
! 256:
! 257: printf(", %dx%d\n", sc->sc_sunfb.sf_width, sc->sc_sunfb.sf_height);
! 258:
! 259: /*
! 260: * If the framebuffer width is under 1024x768, which is the case for
! 261: * some clones on laptops, as well as with the VS10-EK, switch from
! 262: * the PROM font to the more adequate 8x16 font here.
! 263: * However, we need to adjust two things in this case:
! 264: * - the display row should be overrided from the current PROM metrics,
! 265: * to prevent us from overwriting the last few lines of text.
! 266: * - if the 80x34 screen would make a large margin appear around it,
! 267: * choose to clear the screen rather than keeping old prom output in
! 268: * the margins.
! 269: * XXX there should be a rasops "clear margins" feature
! 270: */
! 271: fbwscons_init(&sc->sc_sunfb, console &&
! 272: (sc->sc_sunfb.sf_width >= 1024) ? 0 : RI_CLEAR);
! 273:
! 274: fbwscons_setcolormap(&sc->sc_sunfb, cgthree_setcolor);
! 275:
! 276: if (console) {
! 277: fbwscons_console_init(&sc->sc_sunfb,
! 278: sc->sc_sunfb.sf_width >= 1024 ? -1 : 0);
! 279: }
! 280:
! 281: fbwscons_attach(&sc->sc_sunfb, &cgthree_accessops, console);
! 282:
! 283: return;
! 284:
! 285: fail_vid:
! 286: bus_space_unmap(sa->sa_bustag, sc->sc_ctrl_regs, CGTHREE_CTRL_SIZE);
! 287: fail_ctrl:
! 288: fail:
! 289: ;
! 290: }
! 291:
! 292: int
! 293: cgthree_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p)
! 294: {
! 295: struct cgthree_softc *sc = v;
! 296: struct wsdisplay_fbinfo *wdf;
! 297: struct wsdisplay_cmap *cm;
! 298: int error;
! 299:
! 300: switch (cmd) {
! 301: case WSDISPLAYIO_GTYPE:
! 302: *(u_int *)data = WSDISPLAY_TYPE_SUNCG3;
! 303: break;
! 304: case WSDISPLAYIO_SMODE:
! 305: sc->sc_mode = *(u_int *)data;
! 306: break;
! 307: case WSDISPLAYIO_GINFO:
! 308: wdf = (void *)data;
! 309: wdf->height = sc->sc_sunfb.sf_height;
! 310: wdf->width = sc->sc_sunfb.sf_width;
! 311: wdf->depth = sc->sc_sunfb.sf_depth;
! 312: wdf->cmsize = 256;
! 313: break;
! 314: case WSDISPLAYIO_LINEBYTES:
! 315: *(u_int *)data = sc->sc_sunfb.sf_linebytes;
! 316: break;
! 317:
! 318: case WSDISPLAYIO_GETCMAP:
! 319: cm = (struct wsdisplay_cmap *)data;
! 320: error = cg3_bt_getcmap(&sc->sc_cmap, cm);
! 321: if (error)
! 322: return (error);
! 323: break;
! 324:
! 325: case WSDISPLAYIO_PUTCMAP:
! 326: cm = (struct wsdisplay_cmap *)data;
! 327: error = cg3_bt_putcmap(&sc->sc_cmap, cm);
! 328: if (error)
! 329: return (error);
! 330: cgthree_loadcmap(sc, cm->index, cm->count);
! 331: break;
! 332:
! 333: case WSDISPLAYIO_SVIDEO:
! 334: case WSDISPLAYIO_GVIDEO:
! 335: break;
! 336:
! 337: case WSDISPLAYIO_GCURPOS:
! 338: case WSDISPLAYIO_SCURPOS:
! 339: case WSDISPLAYIO_GCURMAX:
! 340: case WSDISPLAYIO_GCURSOR:
! 341: case WSDISPLAYIO_SCURSOR:
! 342: default:
! 343: return -1; /* not supported yet */
! 344: }
! 345:
! 346: return (0);
! 347: }
! 348:
! 349: int
! 350: cgthree_alloc_screen(void *v, const struct wsscreen_descr *type,
! 351: void **cookiep, int *curxp, int *curyp, long *attrp)
! 352: {
! 353: struct cgthree_softc *sc = v;
! 354:
! 355: if (sc->sc_nscreens > 0)
! 356: return (ENOMEM);
! 357:
! 358: *cookiep = &sc->sc_sunfb.sf_ro;
! 359: *curyp = 0;
! 360: *curxp = 0;
! 361: sc->sc_sunfb.sf_ro.ri_ops.alloc_attr(&sc->sc_sunfb.sf_ro,
! 362: WSCOL_BLACK, WSCOL_WHITE, WSATTR_WSCOLORS, attrp);
! 363: sc->sc_nscreens++;
! 364: return (0);
! 365: }
! 366:
! 367: void
! 368: cgthree_free_screen(void *v, void *cookie)
! 369: {
! 370: struct cgthree_softc *sc = v;
! 371:
! 372: sc->sc_nscreens--;
! 373: }
! 374:
! 375: int
! 376: cgthree_show_screen(void *v, void *cookie, int waitok,
! 377: void (*cb)(void *, int, int), void *cbarg)
! 378: {
! 379: return (0);
! 380: }
! 381:
! 382: #define START (128 * 1024 + 128 * 1024)
! 383: #define NOOVERLAY (0x04000000)
! 384:
! 385: paddr_t
! 386: cgthree_mmap(void *v, off_t offset, int prot)
! 387: {
! 388: struct cgthree_softc *sc = v;
! 389:
! 390: if (offset & PGOFSET || offset < 0)
! 391: return (-1);
! 392:
! 393: switch (sc->sc_mode) {
! 394: case WSDISPLAYIO_MODE_MAPPED:
! 395: if (offset >= NOOVERLAY)
! 396: offset -= NOOVERLAY;
! 397: else if (offset >= START)
! 398: offset -= START;
! 399: else
! 400: offset = 0;
! 401: if (offset >= sc->sc_sunfb.sf_fbsize)
! 402: return (-1);
! 403: return (bus_space_mmap(sc->sc_bustag, sc->sc_paddr,
! 404: CGTHREE_VID_OFFSET + offset, prot, BUS_SPACE_MAP_LINEAR));
! 405: case WSDISPLAYIO_MODE_DUMBFB:
! 406: if (offset < sc->sc_sunfb.sf_fbsize)
! 407: return (bus_space_mmap(sc->sc_bustag, sc->sc_paddr,
! 408: CGTHREE_VID_OFFSET + offset, prot,
! 409: BUS_SPACE_MAP_LINEAR));
! 410: break;
! 411: }
! 412: return (-1);
! 413: }
! 414:
! 415: int
! 416: cgthree_is_console(int node)
! 417: {
! 418: extern int fbnode;
! 419:
! 420: return (fbnode == node);
! 421: }
! 422:
! 423: void
! 424: cgthree_setcolor(void *v, u_int index, u_int8_t r, u_int8_t g, u_int8_t b)
! 425: {
! 426: struct cgthree_softc *sc = v;
! 427: union bt_cmap *bcm = &sc->sc_cmap;
! 428:
! 429: bcm->cm_map[index][0] = r;
! 430: bcm->cm_map[index][1] = g;
! 431: bcm->cm_map[index][2] = b;
! 432: cgthree_loadcmap(sc, index, 1);
! 433: }
! 434:
! 435: void
! 436: cgthree_loadcmap(struct cgthree_softc *sc, u_int start, u_int ncolors)
! 437: {
! 438: u_int cstart;
! 439: int count;
! 440:
! 441: cstart = BT_D4M3(start);
! 442: count = BT_D4M3(start + ncolors - 1) - BT_D4M3(start) + 3;
! 443: BT_WRITE(sc, BT_ADDR, BT_D4M4(start));
! 444: while (--count >= 0) {
! 445: BT_WRITE(sc, BT_CMAP, sc->sc_cmap.cm_chip[cstart]);
! 446: cstart++;
! 447: }
! 448: }
! 449:
! 450: int
! 451: cg3_bt_getcmap(union bt_cmap *bcm, struct wsdisplay_cmap *rcm)
! 452: {
! 453: u_int index = rcm->index, count = rcm->count, i;
! 454: int error;
! 455:
! 456: if (index >= 256 || count > 256 - index)
! 457: return (EINVAL);
! 458: for (i = 0; i < count; i++) {
! 459: if ((error = copyout(&bcm->cm_map[index + i][0],
! 460: &rcm->red[i], 1)) != 0)
! 461: return (error);
! 462: if ((error = copyout(&bcm->cm_map[index + i][1],
! 463: &rcm->green[i], 1)) != 0)
! 464: return (error);
! 465: if ((error = copyout(&bcm->cm_map[index + i][2],
! 466: &rcm->blue[i], 1)) != 0)
! 467: return (error);
! 468: }
! 469: return (0);
! 470: }
! 471:
! 472: int
! 473: cg3_bt_putcmap(union bt_cmap *bcm, struct wsdisplay_cmap *rcm)
! 474: {
! 475: u_int index = rcm->index, count = rcm->count, i;
! 476: int error;
! 477:
! 478: if (index >= 256 || count > 256 - index)
! 479: return (EINVAL);
! 480: for (i = 0; i < count; i++) {
! 481: if ((error = copyin(&rcm->red[i],
! 482: &bcm->cm_map[index + i][0], 1)) != 0)
! 483: return (error);
! 484: if ((error = copyin(&rcm->green[i],
! 485: &bcm->cm_map[index + i][1], 1)) != 0)
! 486: return (error);
! 487: if ((error = copyin(&rcm->blue[i],
! 488: &bcm->cm_map[index + i][2], 1)) != 0)
! 489: return (error);
! 490: }
! 491: return (0);
! 492: }
! 493:
! 494: void
! 495: cgthree_reset(struct cgthree_softc *sc)
! 496: {
! 497: int i, j;
! 498: u_int8_t sts, ctrl;
! 499:
! 500: sts = FBC_READ(sc, CG3_FBC_STAT);
! 501: ctrl = FBC_READ(sc, CG3_FBC_CTRL);
! 502:
! 503: if (ctrl & FBC_CTRL_TIME) {
! 504: /* already initialized */
! 505: return;
! 506: }
! 507:
! 508: for (i = 0; i < sizeof(cg3_videoctrl)/sizeof(cg3_videoctrl[0]); i++) {
! 509: if (cg3_videoctrl[i].sense == 0xff ||
! 510: (cg3_videoctrl[i].sense ==
! 511: (sts & (FBC_STAT_RES | FBC_STAT_ID)))) {
! 512: for (j = 0; j < 12; j++)
! 513: FBC_WRITE(sc, CG3_FBC_VCTRL + j,
! 514: cg3_videoctrl[i].vctrl[j]);
! 515: ctrl &= ~(FBC_CTRL_XTAL | FBC_CTRL_DIV);
! 516: ctrl |= cg3_videoctrl[i].ctrl |
! 517: FBC_CTRL_TIME;
! 518: FBC_WRITE(sc, CG3_FBC_CTRL, ctrl);
! 519: break;
! 520: }
! 521: }
! 522:
! 523: /* enable all the bit planes */
! 524: BT_WRITE(sc, BT_ADDR, BT_RMR);
! 525: BT_BARRIER(sc, BT_ADDR, BUS_SPACE_BARRIER_WRITE);
! 526: BT_WRITE(sc, BT_CTRL, 0xff);
! 527: BT_BARRIER(sc, BT_CTRL, BUS_SPACE_BARRIER_WRITE);
! 528:
! 529: /* no plane should blink */
! 530: BT_WRITE(sc, BT_ADDR, BT_BMR);
! 531: BT_BARRIER(sc, BT_ADDR, BUS_SPACE_BARRIER_WRITE);
! 532: BT_WRITE(sc, BT_CTRL, 0x00);
! 533: BT_BARRIER(sc, BT_CTRL, BUS_SPACE_BARRIER_WRITE);
! 534:
! 535: /*
! 536: * enable the RAMDAC, disable blink, disable overlay 0 and 1,
! 537: * use 4:1 multiplexor.
! 538: */
! 539: BT_WRITE(sc, BT_ADDR, BT_CR);
! 540: BT_BARRIER(sc, BT_ADDR, BUS_SPACE_BARRIER_WRITE);
! 541: BT_WRITE(sc, BT_CTRL,
! 542: (BTCR_MPLX_4 | BTCR_RAMENA | BTCR_BLINK_6464));
! 543: BT_BARRIER(sc, BT_CTRL, BUS_SPACE_BARRIER_WRITE);
! 544:
! 545: /* disable the D/A read pins */
! 546: BT_WRITE(sc, BT_ADDR, BT_CTR);
! 547: BT_BARRIER(sc, BT_ADDR, BUS_SPACE_BARRIER_WRITE);
! 548: BT_WRITE(sc, BT_CTRL, 0x00);
! 549: BT_BARRIER(sc, BT_CTRL, BUS_SPACE_BARRIER_WRITE);
! 550: }
! 551:
! 552: void
! 553: cgthree_burner(void *vsc, u_int on, u_int flags)
! 554: {
! 555: struct cgthree_softc *sc = vsc;
! 556: int s;
! 557: u_int8_t fbc;
! 558:
! 559: s = splhigh();
! 560: fbc = FBC_READ(sc, CG3_FBC_CTRL);
! 561: if (on)
! 562: fbc |= FBC_CTRL_VENAB | FBC_CTRL_TIME;
! 563: else {
! 564: fbc &= ~FBC_CTRL_VENAB;
! 565: if (flags & WSDISPLAY_BURN_VBLANK)
! 566: fbc &= ~FBC_CTRL_TIME;
! 567: }
! 568: FBC_WRITE(sc, CG3_FBC_CTRL, fbc);
! 569: splx(s);
! 570: }
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