/* $Xorg: sunFbs.c,v 1.4 2001/02/09 02:04:43 xorgcvs 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. */ /* $XFree86: xc/programs/Xserver/hw/sun/sunFbs.c,v 1.8 2003/11/17 22:20:36 dawes Exp $ */ /****************************************************************/ /* Modified from sunCG4C.c for X11R3 by Tom Jarmolowski */ /****************************************************************/ #include "sun.h" #include <sys/mman.h> int sunScreenIndex; static unsigned long generation = 0; pointer sunMemoryMap ( size_t len, off_t off, int fd) { int pagemask, mapsize; caddr_t addr; pointer mapaddr; #ifdef SVR4 pagemask = sysconf(_SC_PAGESIZE) - 1; #else pagemask = getpagesize() - 1; #endif mapsize = ((int) len + pagemask) & ~pagemask; addr = 0; #if !defined(__bsdi__) && !defined(_MAP_NEW) && !defined(__NetBSD__) && !defined(__OpenBSD__) if ((addr = (caddr_t) valloc (mapsize)) == NULL) { Error ("Couldn't allocate frame buffer memory"); (void) close (fd); return NULL; } #endif #if !defined(__NetBSD__) && !defined(__OpenBSD__) /* * try and make it private first, that way once we get it, an * interloper, e.g. another server, can't get this frame buffer, * and if another server already has it, this one won't. */ if ((int)(mapaddr = (pointer) mmap (addr, mapsize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, off)) == -1) #endif mapaddr = (pointer) mmap (addr, mapsize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, off); 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) ioctl(sunFbs[pScreen->myNum].fd, FBIOSVIDEO, &state); } return( TRUE ); } static Bool closeScreen (i, pScreen) int i; ScreenPtr pScreen; { SetupScreen(pScreen); Bool ret; (void) OsSignal (SIGIO, SIG_IGN); sunDisableCursor (pScreen); pScreen->CloseScreen = pPrivate->CloseScreen; ret = (*pScreen->CloseScreen) (i, pScreen); (void) (*pScreen->SaveScreen) (pScreen, SCREEN_SAVER_OFF); 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 } #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].fb; if (!sunScreenAllocate (pScrn)) return FALSE; if (!fb) { if ((fb = sunMemoryMap ((size_t) sunFbs[scrn].info.fb_size, offset, sunFbs[scrn].fd)) == NULL) return FALSE; sunFbs[scrn].fb = fb; } /* 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); }