diff options
Diffstat (limited to 'xorg-server/hw/xfree86/ramdac/xf86RamDac.c')
-rw-r--r-- | xorg-server/hw/xfree86/ramdac/xf86RamDac.c | 304 |
1 files changed, 152 insertions, 152 deletions
diff --git a/xorg-server/hw/xfree86/ramdac/xf86RamDac.c b/xorg-server/hw/xfree86/ramdac/xf86RamDac.c index a170444a9..a67164917 100644 --- a/xorg-server/hw/xfree86/ramdac/xf86RamDac.c +++ b/xorg-server/hw/xfree86/ramdac/xf86RamDac.c @@ -1,152 +1,152 @@ -/*
- * Copyright 1998 by Alan Hourihane, Wigan, England.
- *
- * 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 Alan Hourihane not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Alan Hourihane makes no representations
- * about the suitability of this software for any purpose. It is provided
- * "as is" without express or implied warranty.
- *
- * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL ALAN HOURIHANE 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.
- *
- * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk>
- *
- * Generic RAMDAC access routines.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xf86.h"
-#include "xf86_OSproc.h"
-
-#include "xf86RamDacPriv.h"
-
-int RamDacHWPrivateIndex = -1;
-int RamDacScreenPrivateIndex = -1;
-
-RamDacRecPtr
-RamDacCreateInfoRec(void)
-{
- RamDacRecPtr infoRec;
-
- infoRec = calloc(1, sizeof(RamDacRec));
-
- return infoRec;
-}
-
-RamDacHelperRecPtr
-RamDacHelperCreateInfoRec(void)
-{
- RamDacHelperRecPtr infoRec;
-
- infoRec = calloc(1, sizeof(RamDacHelperRec));
-
- return infoRec;
-}
-
-void
-RamDacDestroyInfoRec(RamDacRecPtr infoRec)
-{
- free(infoRec);
-}
-
-void
-RamDacHelperDestroyInfoRec(RamDacHelperRecPtr infoRec)
-{
- free(infoRec);
-}
-
-Bool
-RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPriv)
-{
- RamDacScreenRecPtr ramdacScrPtr;
-
- /*
- * make sure the RamDacRec is allocated
- */
- if (!RamDacGetRec(pScrn))
- return FALSE;
- ramdacScrPtr =
- ((RamDacScreenRecPtr) (pScrn)->privates[RamDacGetScreenIndex()].ptr);
- ramdacScrPtr->RamDacRec = ramdacPriv;
-
- return TRUE;
-}
-
-void
-RamDacGetRecPrivate(void)
-{
- if (RamDacHWPrivateIndex < 0)
- RamDacHWPrivateIndex = xf86AllocateScrnInfoPrivateIndex();
- if (RamDacScreenPrivateIndex < 0)
- RamDacScreenPrivateIndex = xf86AllocateScrnInfoPrivateIndex();
- return;
-}
-
-Bool
-RamDacGetRec(ScrnInfoPtr scrp)
-{
- RamDacGetRecPrivate();
- /*
- * New privates are always set to NULL, so we can check if the allocation
- * has already been done.
- */
- if (scrp->privates[RamDacHWPrivateIndex].ptr != NULL)
- return TRUE;
- if (scrp->privates[RamDacScreenPrivateIndex].ptr != NULL)
- return TRUE;
-
- scrp->privates[RamDacHWPrivateIndex].ptr =
- xnfcalloc(sizeof(RamDacHWRec), 1);
- scrp->privates[RamDacScreenPrivateIndex].ptr =
- xnfcalloc(sizeof(RamDacScreenRec), 1);
-
- return TRUE;
-}
-
-void
-RamDacFreeRec(ScrnInfoPtr pScrn)
-{
- RamDacHWRecPtr ramdacHWPtr;
- RamDacScreenRecPtr ramdacScrPtr;
-
- if (RamDacHWPrivateIndex < 0)
- return;
-
- if (RamDacScreenPrivateIndex < 0)
- return;
-
- ramdacHWPtr = RAMDACHWPTR(pScrn);
- ramdacScrPtr = ((RamDacScreenRecPtr)
- (pScrn)->privates[RamDacGetScreenIndex()].ptr);
-
- free(ramdacHWPtr);
- ramdacHWPtr = NULL;
-
- free(ramdacScrPtr);
- ramdacScrPtr = NULL;
-}
-
-int
-RamDacGetHWIndex(void)
-{
- return RamDacHWPrivateIndex;
-}
-
-int
-RamDacGetScreenIndex(void)
-{
- return RamDacScreenPrivateIndex;
-}
+/* + * Copyright 1998 by Alan Hourihane, Wigan, England. + * + * 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 Alan Hourihane not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Alan Hourihane makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL ALAN HOURIHANE 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. + * + * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> + * + * Generic RAMDAC access routines. + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "xf86.h" +#include "xf86_OSproc.h" + +#include "xf86RamDacPriv.h" + +int RamDacHWPrivateIndex = -1; +int RamDacScreenPrivateIndex = -1; + +RamDacRecPtr +RamDacCreateInfoRec(void) +{ + RamDacRecPtr infoRec; + + infoRec = calloc(1, sizeof(RamDacRec)); + + return infoRec; +} + +RamDacHelperRecPtr +RamDacHelperCreateInfoRec(void) +{ + RamDacHelperRecPtr infoRec; + + infoRec = calloc(1, sizeof(RamDacHelperRec)); + + return infoRec; +} + +void +RamDacDestroyInfoRec(RamDacRecPtr infoRec) +{ + free(infoRec); +} + +void +RamDacHelperDestroyInfoRec(RamDacHelperRecPtr infoRec) +{ + free(infoRec); +} + +Bool +RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPriv) +{ + RamDacScreenRecPtr ramdacScrPtr; + + /* + * make sure the RamDacRec is allocated + */ + if (!RamDacGetRec(pScrn)) + return FALSE; + ramdacScrPtr = + ((RamDacScreenRecPtr) (pScrn)->privates[RamDacGetScreenIndex()].ptr); + ramdacScrPtr->RamDacRec = ramdacPriv; + + return TRUE; +} + +void +RamDacGetRecPrivate(void) +{ + if (RamDacHWPrivateIndex < 0) + RamDacHWPrivateIndex = xf86AllocateScrnInfoPrivateIndex(); + if (RamDacScreenPrivateIndex < 0) + RamDacScreenPrivateIndex = xf86AllocateScrnInfoPrivateIndex(); + return; +} + +Bool +RamDacGetRec(ScrnInfoPtr scrp) +{ + RamDacGetRecPrivate(); + /* + * New privates are always set to NULL, so we can check if the allocation + * has already been done. + */ + if (scrp->privates[RamDacHWPrivateIndex].ptr != NULL) + return TRUE; + if (scrp->privates[RamDacScreenPrivateIndex].ptr != NULL) + return TRUE; + + scrp->privates[RamDacHWPrivateIndex].ptr = + xnfcalloc(sizeof(RamDacHWRec), 1); + scrp->privates[RamDacScreenPrivateIndex].ptr = + xnfcalloc(sizeof(RamDacScreenRec), 1); + + return TRUE; +} + +void +RamDacFreeRec(ScrnInfoPtr pScrn) +{ + RamDacHWRecPtr ramdacHWPtr; + RamDacScreenRecPtr ramdacScrPtr; + + if (RamDacHWPrivateIndex < 0) + return; + + if (RamDacScreenPrivateIndex < 0) + return; + + ramdacHWPtr = RAMDACHWPTR(pScrn); + ramdacScrPtr = ((RamDacScreenRecPtr) + (pScrn)->privates[RamDacGetScreenIndex()].ptr); + + free(ramdacHWPtr); + ramdacHWPtr = NULL; + + free(ramdacScrPtr); + ramdacScrPtr = NULL; +} + +int +RamDacGetHWIndex(void) +{ + return RamDacHWPrivateIndex; +} + +int +RamDacGetScreenIndex(void) +{ + return RamDacScreenPrivateIndex; +} |