visetmode.c
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/*====================================================================
* visetmode.c
*
* Copyright 1995, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
* Inc.; the contents of this file may not be disclosed to third
* parties, copied or duplicated in any form, in whole or in part,
* without the prior written permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to
* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
* in Technical Data and Computer Software clause at DFARS
* 252.227-7013, and/or in similar or successor clauses in the FAR,
* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
* Copyright Laws of the United States.
*====================================================================*/
/**************************************************************************
*
* $Revision: 1.2 $
* $Date: 2003/06/16 17:58:10 $
* $Source: /root/leakn64/depot/rf/sw/bbplayer/libultra/monegi/vi/visetmode.c,v $
*
**************************************************************************/
#include "osint.h"
#include "rcp.h"
#include "viint.h"
#include "assert.h"
#ifdef BBPLAYER
#include "bbint.h"
#endif
/*
* Name: osViSetMode
*
* Description:
* Set the next VI mode (see os.h for the possible 28 modes)
*
* Globals Referenced:
* __osViNext
*/
void
osViSetMode(OSViMode *modep)
{
register u32 saveMask;
#ifdef _DEBUG
/* Check that VI manager is running */
if (!__osViDevMgr.active) {
__osError(ERR_OSVISETMODE, 0);
return;
}
/* Check for NULL pointer */
assert(modep != NULL);
#endif
/*
* Set mode pointer and reset state variable
* In addition, all scaling factors are reset
*/
saveMask = __osDisableInt();
#ifdef BBPLAYER
if (__osBbIsBb) {
modep->comRegs.ctrl &= ~0x2000;
}
#endif
__osViNext->modep = modep;
__osViNext->state = (VI_STATE_NORMAL | VI_STATE_MODE);
__osViNext->control = __osViNext->modep->comRegs.ctrl;
__osRestoreInt(saveMask);
} /* osViSetMode */