diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/sun/sunFbs.c')
-rw-r--r-- | nx-X11/programs/Xserver/hw/sun/sunFbs.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/sun/sunFbs.c b/nx-X11/programs/Xserver/hw/sun/sunFbs.c new file mode 100644 index 000000000..1acf2517b --- /dev/null +++ b/nx-X11/programs/Xserver/hw/sun/sunFbs.c @@ -0,0 +1,259 @@ + +/* $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 1.7 2002/12/06 00:28:50 tsi 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); +} + |