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+/* $Xorg: sunLyFbs.c,v 1.4 2001/02/09 02:04:44 xorgcvs Exp $ */
+/*
+ * This is sunFbs.c modified for LynxOS
+ * Copyright 1996 by Thomas Mueller
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Thomas Mueller not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Thomas Mueller makes no representations
+ * about the suitability of this software for any purpose. It is provided
+ * "as is" without express or implied warranty.
+ *
+ * THOMAS MUELLER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THOMAS MUELLER BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+/* $XFree86: xc/programs/Xserver/hw/sunLynx/sunLyFbs.c,v 3.6 2001/12/14 19:59:44 dawes Exp $ */
+
+/*
+Copyright 1990, 1993, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ */
+
+/************************************************************
+Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this
+software and its documentation for any purpose and without
+fee is hereby granted, provided that the above copyright no-
+tice appear in all copies and that both that copyright no-
+tice and this permission notice appear in supporting docu-
+mentation, and that the names of Sun or The Open Group
+not be used in advertising or publicity pertaining to
+distribution of the software without specific prior
+written permission. Sun and The Open Group make no
+representations about the suitability of this software for
+any purpose. It is provided "as is" without any express or
+implied warranty.
+
+SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
+NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI-
+ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
+THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+********************************************************/
+
+/*
+ * Copyright 1987 by the Regents of the University of California
+ * Copyright 1987 by Adam de Boor, UC Berkeley
+ *
+ * Permission to use, copy, modify, and distribute this
+ * software and its documentation for any purpose and without
+ * fee is hereby granted, provided that the above copyright
+ * notice appear in all copies. The University of California
+ * makes no representations about the suitability of this
+ * software for any purpose. It is provided "as is" without
+ * express or implied warranty.
+ */
+
+/****************************************************************/
+/* Modified from sunCG4C.c for X11R3 by Tom Jarmolowski */
+/****************************************************************/
+
+#include "sun.h"
+#include <smem.h>
+
+int sunScreenIndex;
+
+static unsigned long generation = 0;
+
+pointer sunMemoryMap (
+ size_t len,
+ off_t off,
+ int fd,
+ char *name
+ )
+{
+ int pagemask, mapsize;
+ caddr_t addr;
+ pointer mapaddr;
+
+ pagemask = getpagesize() - 1;
+ mapsize = ((int) len + pagemask) & ~pagemask;
+ addr = 0;
+
+ mapaddr = smem_create(name, (char *)off, mapsize, SM_READ|SM_WRITE);
+ if (mapaddr == (pointer) -1) {
+ Error ("mapping frame buffer memory");
+ (void) close (fd);
+ mapaddr = (pointer) NULL;
+ }
+ return mapaddr;
+}
+
+Bool sunScreenAllocate (
+ ScreenPtr pScreen)
+{
+ sunScreenPtr pPrivate;
+ extern int AllocateScreenPrivateIndex();
+
+ if (generation != serverGeneration)
+ {
+ sunScreenIndex = AllocateScreenPrivateIndex();
+ if (sunScreenIndex < 0)
+ return FALSE;
+ generation = serverGeneration;
+ }
+ pPrivate = (sunScreenPtr) xalloc (sizeof (sunScreenRec));
+ if (!pPrivate)
+ return FALSE;
+
+ pScreen->devPrivates[sunScreenIndex].ptr = (pointer) pPrivate;
+ return TRUE;
+}
+
+Bool sunSaveScreen (
+ ScreenPtr pScreen,
+ int on)
+{
+ int state;
+
+ if (on != SCREEN_SAVER_FORCER)
+ {
+ if (on == SCREEN_SAVER_ON)
+ state = 0;
+ else
+ state = 1;
+ (void) sunIoctl(&sunFbs[pScreen->myNum], FBIOSVIDEO, &state);
+ }
+ return( TRUE );
+}
+
+static Bool closeScreen (i, pScreen)
+ int i;
+ ScreenPtr pScreen;
+{
+ SetupScreen(pScreen);
+ Bool ret;
+ struct fbcmap sunCmap;
+ unsigned char color;
+
+ (void) OsSignal (SIGIO, SIG_IGN);
+ sunDisableCursor (pScreen);
+ pScreen->CloseScreen = pPrivate->CloseScreen;
+ ret = (*pScreen->CloseScreen) (i, pScreen);
+ (void) (*pScreen->SaveScreen) (pScreen, SCREEN_SAVER_OFF);
+ /* probably this doesn't belong here: restore black&white cmap */
+ sunCmap.count = 1;
+ sunCmap.index = 0;
+ sunCmap.red = sunCmap.green = sunCmap.blue = &color;
+ color = 0xff;
+ (void) sunIoctl(&sunFbs[pScreen->myNum], FBIOPUTCMAP, &sunCmap);
+ sunCmap.index = 0xff;
+ color = 0;
+ (void) sunIoctl(&sunFbs[pScreen->myNum], FBIOPUTCMAP, &sunCmap);
+ xfree ((pointer) pPrivate);
+ return ret;
+}
+
+Bool sunScreenInit (
+ ScreenPtr pScreen)
+{
+ SetupScreen(pScreen);
+ extern void sunBlockHandler();
+ extern void sunWakeupHandler();
+ static ScreenPtr autoRepeatScreen;
+ extern miPointerScreenFuncRec sunPointerScreenFuncs;
+
+ pPrivate->installedMap = 0;
+ pPrivate->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = closeScreen;
+ pScreen->SaveScreen = sunSaveScreen;
+#ifdef XKB
+ if (noXkbExtension) {
+#endif
+ /*
+ * Block/Unblock handlers
+ */
+ if (sunAutoRepeatHandlersInstalled == FALSE) {
+ autoRepeatScreen = pScreen;
+ sunAutoRepeatHandlersInstalled = TRUE;
+ }
+
+ if (pScreen == autoRepeatScreen) {
+ pScreen->BlockHandler = sunBlockHandler;
+ pScreen->WakeupHandler = sunWakeupHandler;
+ }
+#ifdef XKB
+ } else {
+ /* this works around a weird behaviour on LynxOS 2.4.0:
+ * usually we have no problems using true SIGIO driven mouse input
+ * as it is used on the other UN*X Suns. On LynxOS we have a
+ * strange behaviour upon the very first server startup after a
+ * reboot. We won't get SIGIOs from the mouse device. The mouse
+ * will only move if we get SIGIOs from the keyboard.
+ * The solution (for now) is to use a WakeupHandler and
+ * poll the mouse file descriptor.
+ */
+ pScreen->WakeupHandler = sunWakeupHandler;
+ }
+#endif
+ if (!sunCursorInitialize (pScreen))
+ miDCInitialize (pScreen, &sunPointerScreenFuncs);
+ return TRUE;
+}
+
+Bool sunInitCommon (
+ int scrn,
+ ScreenPtr pScrn,
+ off_t offset,
+ Bool (*init1)(),
+ void (*init2)(),
+ Bool (*cr_cm)(),
+ Bool (*save)(),
+ int fb_off)
+{
+ unsigned char* fb = sunFbs[scrn].fbuf;
+ unsigned char* dac = sunFbs[scrn].ramdac;
+
+ if (!sunScreenAllocate (pScrn))
+ return FALSE;
+ if (!fb) {
+ if ((fb = sunMemoryMap ((size_t) sunFbs[scrn].info.fb_size,
+ (unsigned long)offset + 0x00800000UL,
+ sunFbs[scrn].fd, "FB")) == NULL)
+ return FALSE;
+ sunFbs[scrn].fbuf = fb;
+ if (!dac)
+ {
+ unsigned long dacoffset;
+
+ if (ioctl(sunFbs[scrn].fd, TIO_QUERYRAMDAC, &dacoffset) < 0)
+ FatalError("can't query DAC addr\n");
+ if ((dac = sunMemoryMap((size_t) sunFbs[scrn].info.fb_cmsize * 3,
+ (unsigned long)offset + dacoffset,
+ sunFbs[scrn].fd, "DAC")) == NULL)
+ return FALSE;
+
+ sunFbs[scrn].ramdac = dac;
+ }
+ }
+ /* mfbScreenInit() or cfbScreenInit() */
+ if (!(*init1)(pScrn, fb + fb_off,
+ sunFbs[scrn].info.fb_width,
+ sunFbs[scrn].info.fb_height,
+ monitorResolution, monitorResolution,
+ sunFbs[scrn].info.fb_width,
+ sunFbs[scrn].info.fb_depth))
+ return FALSE;
+ miInitializeBackingStore(pScrn);
+ /* sunCGScreenInit() if cfb... */
+ if (init2)
+ (*init2)(pScrn);
+ if (!sunScreenInit(pScrn))
+ return FALSE;
+ (void) (*save) (pScrn, SCREEN_SAVER_OFF);
+ return (*cr_cm)(pScrn);
+}
+
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