dspbridge/libbridge/DSPManager.c - platform/hardware/ti/omap3 - Git at Google

 /*
  * dspbridge/src/api/linux/DSPManager.c
  *
  * DSP-BIOS Bridge driver support functions for TI OMAP processors.
  *
  * Copyright (C) 2007 Texas Instruments, Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published
  * by the Free Software Foundation version 2.1 of the License.
  *
  * This program is distributed .as is. WITHOUT ANY WARRANTY of any kind,
  * whether express or implied; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  */

 /*
  *  ======== DSPManager.c ========
  *  Description:
  *      This is the source for the DSP/BIOS Bridge API manager module. The
  *      parameters are validated at the API level, but the bulk of the
  *      work is done at the driver level through the RM MGR module.
  *
  *  Public Functions:
  *      DSPManager_EnumNodeInfo
  *      DSPManager_EnumProcessorInfo
  *      DSPManager_Open
  *      DSPManager_Close
  *      DSPManager_WaitForEvents
  *
  *  OEM Functions:
  *      DSPManager_RegisterObject
  *      DSPManager_UnregisterObject
  *
  *! Revision History
  *! ================
  *! 07-Jul-2003 swa: Validate arguments in RegisterObject and UnregisterObject
  *! 15-Oct-2002 kc: Removed DSPManager_GetPerfData.
  *! 16-Aug-2002 map: Added DSPManager_RegisterObject/UnregisterObject
  *! 29-Nov-2000 rr: Use of DSP_ValidWritePtr. Code review changes incorporated.
  *! 22-Nov-2000 kc: Added DSPManager_GetPerfData().
  *! 25-Sep-2000 rr: Updated to Version 0.9
  *! 04-Aug-2000 rr: Name changed to DSPManager.c
  *! 20-Jul-2000 rr: Updated to Version 0.8
  *! 27-Jun-2000 rr: Modified to call into the Class driver.
  *! 12-Apr-2000 ww: Created based on DirectDSP API specification, Version 0.6.
  *
  */

 /*  ----------------------------------- Host OS */
 #include <host_os.h>

 /*  ----------------------------------- DSP/BIOS Bridge */
 #include <dbdefs.h>
 #include <errbase.h>

 /*  ----------------------------------- Trace & Debug */
 #include <dbg.h>
 #include <dbg_zones.h>

 /*  ----------------------------------- Others */
 #include <dsptrap.h>

 /*  ----------------------------------- This */
 #include "_dbdebug.h"
 #include "_dbpriv.h"

 #include <DSPManager.h>

 #ifdef DEBUG_BRIDGE_PERF
 #include <perfutils.h>
 #endif

 /*  ----------------------------------- Globals */
 int hMediaFile = -1;		/* class driver handle */
 static ULONG usage_count;
 static sem_t semOpenClose;
 static bool bridge_sem_initialized = false;

 /*  ----------------------------------- Definitions */
 /* #define BRIDGE_DRIVER_NAME  "/dev/dspbridge"*/
 #define BRIDGE_DRIVER_NAME  "/dev/DspBridge"

 /*
  *  ======== DspManager_Open ========
  *  Purpose:
  *      Open handle to the DSP/BIOS Bridge driver
  */
 DBAPI DspManager_Open(UINT argc, PVOID argp)
 {
 	int status = 0;

 	if (!bridge_sem_initialized) {
 		if (sem_init(&semOpenClose, 0, 1) == -1) {
 			DEBUGMSG(DSPAPI_ZONE_ERROR,
 				 (TEXT("MGR: Failed to Initialize"
 					   "the bridge semaphore\n")));
 			return DSP_EFAIL;
 		} else
 			bridge_sem_initialized = true;
 	}

 	sem_wait(&semOpenClose);
 	if (usage_count == 0) {	/* try opening handle to Bridge driver */
 		status = open(BRIDGE_DRIVER_NAME, O_RDWR);
 		if (status >= 0)
 			hMediaFile = status;
 	}

 	if (status >= 0) {
 		/* Success in opening handle to Bridge driver */
 		usage_count++;
 		status = DSP_SOK;
 	} else
 		status = DSP_EFAIL;


 	/*printf ("argc = %d, hMediaFile[%x] = %d\n", argc, &hMediaFile,
 					hMediaFile); */

 	sem_post(&semOpenClose);

 	return status;
 }

 /*
  *  ======== DspManager_Close ========
  *  Purpose:   Close handle to the DSP/BIOS Bridge driver
  */
 DBAPI DspManager_Close(UINT argc, PVOID argp)
 {
 	int status = 0;

 	sem_wait(&semOpenClose);

 	if (usage_count == 1) {
 		status = close(hMediaFile);
 		if (status >= 0)
 			hMediaFile = -1;
 	}

 	if (status >= 0) {
 		/* Success in opening handle to Bridge driver */
 		usage_count--;
 		status = DSP_SOK;
 	} else
 		status = DSP_EFAIL;

 	sem_post(&semOpenClose);

 	/*printf ("close status = %d, hMediaFile[%x] = %d\n", status,
 						&hMediaFile, hMediaFile); */

 	return status;
 }

 /*
  *  ======== DSPManager_EnumNodeInfo ========
  *  Purpose:
  *      Enumerate and get configuration information about nodes configured
  *      in the node database.
  */
 DBAPI DSPManager_EnumNodeInfo(UINT uNode, OUT struct DSP_NDBPROPS *pNDBProps,
 			UINT uNDBPropsSize, OUT UINT *puNumNodes)
 {
 	DSP_STATUS status = DSP_SOK;
 	Trapped_Args tempStruct;

 	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
 		 (TEXT("MGR: DSPManager_EnumNodeInfo\r\n")));

 	if (!DSP_ValidWritePtr(pNDBProps, sizeof(struct DSP_NDBPROPS)) &&
 	    !DSP_ValidWritePtr(puNumNodes, sizeof(UINT))) {

 		if (uNDBPropsSize >= sizeof(struct DSP_NDBPROPS)) {
 			/* Set up the structure */
 			/* Call DSP Trap */
 			tempStruct.ARGS_MGR_ENUMNODE_INFO.uNode = uNode;
 			tempStruct.ARGS_MGR_ENUMNODE_INFO.pNDBProps = pNDBProps;
 			tempStruct.ARGS_MGR_ENUMNODE_INFO.uNDBPropsSize =
 							uNDBPropsSize;
 			tempStruct.ARGS_MGR_ENUMNODE_INFO.puNumNodes =
 							puNumNodes;
 			status = DSPTRAP_Trap(&tempStruct,
 					CMD_MGR_ENUMNODE_INFO_OFFSET);
 		} else {
 			status = DSP_ESIZE;
 			DEBUGMSG(DSPAPI_ZONE_ERROR,
 				 (TEXT("MGR: pNDBProps is too Small \r\n")));
 		}
 	} else {
 		/* Invalid pointer */
 		status = DSP_EPOINTER;
 		DEBUGMSG(DSPAPI_ZONE_ERROR,
 			 (TEXT("MGR: pNDBProps is Invalid \r\n")));
 	}

 	return status;
 }

 /*
  *  ======== DSPManager_EnumProcessorInfo ========
  *  Purpose:
  *      Enumerate and get configuration information about available
  *      DSP processors.
  */
 DBAPI DSPManager_EnumProcessorInfo(UINT uProcessor,
 			     OUT struct DSP_PROCESSORINFO *pProcessorInfo,
 			     UINT uProcessorInfoSize, OUT UINT *puNumProcs)
 {
 	DSP_STATUS status = DSP_SOK;
 	Trapped_Args tempStruct;

 	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
 		 (TEXT("MGR: DSPManager_EnumProcessorInfo\r\n")));

 	if (!DSP_ValidWritePtr(pProcessorInfo, sizeof(struct DSP_PROCESSORINFO))
 		&& !DSP_ValidWritePtr(puNumProcs, sizeof(UINT))) {

 		if (uProcessorInfoSize >= sizeof(struct DSP_PROCESSORINFO)) {
 			/* Call DSP Trap */
 			tempStruct.ARGS_MGR_ENUMPROC_INFO.uProcessor =
 								uProcessor;
 			tempStruct.ARGS_MGR_ENUMPROC_INFO.pProcessorInfo =
 								pProcessorInfo;
 			tempStruct.ARGS_MGR_ENUMPROC_INFO.uProcessorInfoSize =
 							uProcessorInfoSize;
 			tempStruct.ARGS_MGR_ENUMPROC_INFO.puNumProcs =
 								puNumProcs;

 			status = DSPTRAP_Trap(&tempStruct,
 				CMD_MGR_ENUMPROC_INFO_OFFSET);
 		} else {
 			status = DSP_ESIZE;
 			DEBUGMSG(DSPAPI_ZONE_ERROR,
 			(TEXT("MGR: uProcessorInfoSize is too Small \r\n")));
 		}
 	} else {
 		/* Invalid pointer */
 		status = DSP_EPOINTER;
 		DEBUGMSG(DSPAPI_ZONE_ERROR,
 			 (TEXT("MGR: pProcessorInfo is Invalid \r\n")));
 	}

 	return status;
 }

 /*
  *  ======== DSPManager_WaitForEvents ========
  *  Purpose:
  *      Block on Bridge event(s)
  */
 DBAPI DSPManager_WaitForEvents(struct DSP_NOTIFICATION **aNotifications,
 			 UINT uCount, OUT UINT *puIndex, UINT uTimeout)
 {
 	DSP_STATUS status = DSP_SOK;
 	Trapped_Args tempStruct;

 	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
 		 (TEXT("MGR: DSPManager_WaitForEvents\r\n")));

 	if ((aNotifications) && (puIndex)) {

 		if (uCount) {
 			/* Set up the structure */
 			/* Call DSP Trap */
 			tempStruct.ARGS_MGR_WAIT.aNotifications =
 							aNotifications;
 			tempStruct.ARGS_MGR_WAIT.uCount = uCount;
 			tempStruct.ARGS_MGR_WAIT.puIndex = puIndex;
 			tempStruct.ARGS_MGR_WAIT.uTimeout = uTimeout;

 			status = DSPTRAP_Trap(&tempStruct, CMD_MGR_WAIT_OFFSET);
 		} else
 			/* nStreams == 0 */
 			*puIndex = (UINT) -1;

 	} else
 		/* Invalid pointer */
 		status = DSP_EPOINTER;


 	return status;
 }

 /*
  *  ======== DSPManager_RegisterObject ========
  *  Purpose:
  *  Register object with DCD module
  */
 DBAPI DSPManager_RegisterObject(IN struct DSP_UUID *pUuid,
 			  IN DSP_DCDOBJTYPE objType, IN CHAR *pszPathName)
 {
 	DSP_STATUS status = DSP_SOK;
 	Trapped_Args tempStruct;
 #ifdef DEBUG_BRIDGE_PERF
 	struct timeval tv_beg;
 	struct timeval tv_end;
 	struct timezone tz;
 	int timeRetVal = 0;

 	timeRetVal = getTimeStamp(&tv_beg);
 #endif

 	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
 		 (TEXT("MGR: DSPManager_RegisterObject\r\n")));

 	if ((pUuid == NULL) || (objType > DSP_DCDDELETELIBTYPE) ||
 	    (pszPathName == NULL)) {
 		status = DSP_EINVALIDARG;
 	}

 	if (DSP_SUCCEEDED(status)) {
 		/* Call DSP Trap */
 		tempStruct.ARGS_MGR_REGISTEROBJECT.pUuid = pUuid;
 		tempStruct.ARGS_MGR_REGISTEROBJECT.objType = objType;
 		tempStruct.ARGS_MGR_REGISTEROBJECT.pszPathName = pszPathName;
 		status = DSPTRAP_Trap(&tempStruct,
 					CMD_MGR_REGISTEROBJECT_OFFSET);
 	}
 #ifdef DEBUG_BRIDGE_PERF
 	timeRetVal = getTimeStamp(&tv_end);
 	PrintStatistics(&tv_beg, &tv_end, "DSPManager_RegisterObject", 0);
 #endif

 	return status;
 }

 /*
  *  ======== DSPManager_UnregisterObject ========
  *  Purpose:
  *  Unregister object with DCD module
  */
 DBAPI DSPManager_UnregisterObject(IN struct DSP_UUID *pUuid,
 				IN DSP_DCDOBJTYPE objType)
 {
 	DSP_STATUS status = DSP_SOK;
 	Trapped_Args tempStruct;
 #ifdef DEBUG_BRIDGE_PERF
 	struct timeval tv_beg;
 	struct timeval tv_end;
 	struct timezone tz;
 	int timeRetVal = 0;

 	timeRetVal = getTimeStamp(&tv_beg);
 #endif

 	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
 		 (TEXT("MGR: DSPManager_RegisterObject\r\n")));

 	if ((pUuid == NULL) || (objType > DSP_DCDDELETELIBTYPE))
 		status = DSP_EINVALIDARG;


 	if (DSP_SUCCEEDED(status)) {
 		/* Call DSP Trap */
 		tempStruct.ARGS_MGR_UNREGISTEROBJECT.pUuid = pUuid;
 		tempStruct.ARGS_MGR_UNREGISTEROBJECT.objType = objType;
 		status = DSPTRAP_Trap(&tempStruct,
 				CMD_MGR_UNREGISTEROBJECT_OFFSET);
 	}
 #ifdef DEBUG_BRIDGE_PERF
 	timeRetVal = getTimeStamp(&tv_end);
 	PrintStatistics(&tv_beg, &tv_end, "DSPManager_UnregisterObject", 0);

 #endif

 	return status;
 }

 #ifndef RES_CLEANUP_DISABLE
 /*
  *  ======== DSPManager_GetProcResourceInfo ========
  *  Purpose:
  *  Get GPP process resource info
  */
 DBAPI DSPManager_GetProcResourceInfo(UINT *pBuf, UINT *pSize)
 {
     DSP_STATUS      status = DSP_SOK;
     Trapped_Args    tempStruct;
     DEBUGMSG(DSPAPI_ZONE_FUNCTION,
 	(TEXT("MGR: DSPManager_RegisterObject\r\n")));

 	if (pBuf == NULL)
 		status = DSP_EINVALIDARG;

 	if (DSP_SUCCEEDED(status)) {
 		/* Call DSP Trap */
 		tempStruct.ARGS_PROC_GETTRACE.pBuf = (BYTE *)pBuf;
 		status = DSPTRAP_Trap(&tempStruct, CMD_MGR_RESOUCES_OFFSET);
 	}

     return status;
 }
 #endif
	/*
	* dspbridge/src/api/linux/DSPManager.c
	*
	* DSP-BIOS Bridge driver support functions for TI OMAP processors.
	*
	* Copyright (C) 2007 Texas Instruments, Inc.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of the GNU Lesser General Public License as published
	* by the Free Software Foundation version 2.1 of the License.
	*
	* This program is distributed .as is. WITHOUT ANY WARRANTY of any kind,
	* whether express or implied; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*/

	/*
	* ======== DSPManager.c ========
	* Description:
	* This is the source for the DSP/BIOS Bridge API manager module. The
	* parameters are validated at the API level, but the bulk of the
	* work is done at the driver level through the RM MGR module.
	*
	* Public Functions:
	* DSPManager_EnumNodeInfo
	* DSPManager_EnumProcessorInfo
	* DSPManager_Open
	* DSPManager_Close
	* DSPManager_WaitForEvents
	*
	* OEM Functions:
	* DSPManager_RegisterObject
	* DSPManager_UnregisterObject
	*
	*! Revision History
	*! ================
	*! 07-Jul-2003 swa: Validate arguments in RegisterObject and UnregisterObject
	*! 15-Oct-2002 kc: Removed DSPManager_GetPerfData.
	*! 16-Aug-2002 map: Added DSPManager_RegisterObject/UnregisterObject
	*! 29-Nov-2000 rr: Use of DSP_ValidWritePtr. Code review changes incorporated.
	*! 22-Nov-2000 kc: Added DSPManager_GetPerfData().
	*! 25-Sep-2000 rr: Updated to Version 0.9
	*! 04-Aug-2000 rr: Name changed to DSPManager.c
	*! 20-Jul-2000 rr: Updated to Version 0.8
	*! 27-Jun-2000 rr: Modified to call into the Class driver.
	*! 12-Apr-2000 ww: Created based on DirectDSP API specification, Version 0.6.
	*
	*/

	/* ----------------------------------- Host OS */
	#include <host_os.h>

	/* ----------------------------------- DSP/BIOS Bridge */
	#include <dbdefs.h>
	#include <errbase.h>

	/* ----------------------------------- Trace & Debug */
	#include <dbg.h>
	#include <dbg_zones.h>

	/* ----------------------------------- Others */
	#include <dsptrap.h>

	/* ----------------------------------- This */
	#include "_dbdebug.h"
	#include "_dbpriv.h"

	#include <DSPManager.h>

	#ifdef DEBUG_BRIDGE_PERF
	#include <perfutils.h>
	#endif

	/* ----------------------------------- Globals */
	int hMediaFile = -1; /* class driver handle */
	static ULONG usage_count;
	static sem_t semOpenClose;
	static bool bridge_sem_initialized = false;

	/* ----------------------------------- Definitions */
	/* #define BRIDGE_DRIVER_NAME "/dev/dspbridge"*/
	#define BRIDGE_DRIVER_NAME "/dev/DspBridge"

	/*
	* ======== DspManager_Open ========
	* Purpose:
	* Open handle to the DSP/BIOS Bridge driver
	*/
	DBAPI DspManager_Open(UINT argc, PVOID argp)
	{
	int status = 0;

	if (!bridge_sem_initialized) {
	if (sem_init(&semOpenClose, 0, 1) == -1) {
	DEBUGMSG(DSPAPI_ZONE_ERROR,
	(TEXT("MGR: Failed to Initialize"
	"the bridge semaphore\n")));
	return DSP_EFAIL;
	} else
	bridge_sem_initialized = true;
	}

	sem_wait(&semOpenClose);
	if (usage_count == 0) { /* try opening handle to Bridge driver */
	status = open(BRIDGE_DRIVER_NAME, O_RDWR);
	if (status >= 0)
	hMediaFile = status;
	}

	if (status >= 0) {
	/* Success in opening handle to Bridge driver */
	usage_count++;
	status = DSP_SOK;
	} else
	status = DSP_EFAIL;


	/*printf ("argc = %d, hMediaFile[%x] = %d\n", argc, &hMediaFile,
	hMediaFile); */

	sem_post(&semOpenClose);

	return status;
	}

	/*
	* ======== DspManager_Close ========
	* Purpose: Close handle to the DSP/BIOS Bridge driver
	*/
	DBAPI DspManager_Close(UINT argc, PVOID argp)
	{
	int status = 0;

	sem_wait(&semOpenClose);

	if (usage_count == 1) {
	status = close(hMediaFile);
	if (status >= 0)
	hMediaFile = -1;
	}

	if (status >= 0) {
	/* Success in opening handle to Bridge driver */
	usage_count--;
	status = DSP_SOK;
	} else
	status = DSP_EFAIL;

	sem_post(&semOpenClose);

	/*printf ("close status = %d, hMediaFile[%x] = %d\n", status,
	&hMediaFile, hMediaFile); */

	return status;
	}

	/*
	* ======== DSPManager_EnumNodeInfo ========
	* Purpose:
	* Enumerate and get configuration information about nodes configured
	* in the node database.
	*/
	DBAPI DSPManager_EnumNodeInfo(UINT uNode, OUT struct DSP_NDBPROPS *pNDBProps,
	UINT uNDBPropsSize, OUT UINT *puNumNodes)
	{
	DSP_STATUS status = DSP_SOK;
	Trapped_Args tempStruct;

	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
	(TEXT("MGR: DSPManager_EnumNodeInfo\r\n")));

	if (!DSP_ValidWritePtr(pNDBProps, sizeof(struct DSP_NDBPROPS)) &&
	!DSP_ValidWritePtr(puNumNodes, sizeof(UINT))) {

	if (uNDBPropsSize >= sizeof(struct DSP_NDBPROPS)) {
	/* Set up the structure */
	/* Call DSP Trap */
	tempStruct.ARGS_MGR_ENUMNODE_INFO.uNode = uNode;
	tempStruct.ARGS_MGR_ENUMNODE_INFO.pNDBProps = pNDBProps;
	tempStruct.ARGS_MGR_ENUMNODE_INFO.uNDBPropsSize =
	uNDBPropsSize;
	tempStruct.ARGS_MGR_ENUMNODE_INFO.puNumNodes =
	puNumNodes;
	status = DSPTRAP_Trap(&tempStruct,
	CMD_MGR_ENUMNODE_INFO_OFFSET);
	} else {
	status = DSP_ESIZE;
	DEBUGMSG(DSPAPI_ZONE_ERROR,
	(TEXT("MGR: pNDBProps is too Small \r\n")));
	}
	} else {
	/* Invalid pointer */
	status = DSP_EPOINTER;
	DEBUGMSG(DSPAPI_ZONE_ERROR,
	(TEXT("MGR: pNDBProps is Invalid \r\n")));
	}

	return status;
	}

	/*
	* ======== DSPManager_EnumProcessorInfo ========
	* Purpose:
	* Enumerate and get configuration information about available
	* DSP processors.
	*/
	DBAPI DSPManager_EnumProcessorInfo(UINT uProcessor,
	OUT struct DSP_PROCESSORINFO *pProcessorInfo,
	UINT uProcessorInfoSize, OUT UINT *puNumProcs)
	{
	DSP_STATUS status = DSP_SOK;
	Trapped_Args tempStruct;

	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
	(TEXT("MGR: DSPManager_EnumProcessorInfo\r\n")));

	if (!DSP_ValidWritePtr(pProcessorInfo, sizeof(struct DSP_PROCESSORINFO))
	&& !DSP_ValidWritePtr(puNumProcs, sizeof(UINT))) {

	if (uProcessorInfoSize >= sizeof(struct DSP_PROCESSORINFO)) {
	/* Call DSP Trap */
	tempStruct.ARGS_MGR_ENUMPROC_INFO.uProcessor =
	uProcessor;
	tempStruct.ARGS_MGR_ENUMPROC_INFO.pProcessorInfo =
	pProcessorInfo;
	tempStruct.ARGS_MGR_ENUMPROC_INFO.uProcessorInfoSize =
	uProcessorInfoSize;
	tempStruct.ARGS_MGR_ENUMPROC_INFO.puNumProcs =
	puNumProcs;

	status = DSPTRAP_Trap(&tempStruct,
	CMD_MGR_ENUMPROC_INFO_OFFSET);
	} else {
	status = DSP_ESIZE;
	DEBUGMSG(DSPAPI_ZONE_ERROR,
	(TEXT("MGR: uProcessorInfoSize is too Small \r\n")));
	}
	} else {
	/* Invalid pointer */
	status = DSP_EPOINTER;
	DEBUGMSG(DSPAPI_ZONE_ERROR,
	(TEXT("MGR: pProcessorInfo is Invalid \r\n")));
	}

	return status;
	}

	/*
	* ======== DSPManager_WaitForEvents ========
	* Purpose:
	* Block on Bridge event(s)
	*/
	DBAPI DSPManager_WaitForEvents(struct DSP_NOTIFICATION **aNotifications,
	UINT uCount, OUT UINT *puIndex, UINT uTimeout)
	{
	DSP_STATUS status = DSP_SOK;
	Trapped_Args tempStruct;

	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
	(TEXT("MGR: DSPManager_WaitForEvents\r\n")));

	if ((aNotifications) && (puIndex)) {

	if (uCount) {
	/* Set up the structure */
	/* Call DSP Trap */
	tempStruct.ARGS_MGR_WAIT.aNotifications =
	aNotifications;
	tempStruct.ARGS_MGR_WAIT.uCount = uCount;
	tempStruct.ARGS_MGR_WAIT.puIndex = puIndex;
	tempStruct.ARGS_MGR_WAIT.uTimeout = uTimeout;

	status = DSPTRAP_Trap(&tempStruct, CMD_MGR_WAIT_OFFSET);
	} else
	/* nStreams == 0 */
	*puIndex = (UINT) -1;

	} else
	/* Invalid pointer */
	status = DSP_EPOINTER;


	return status;
	}

	/*
	* ======== DSPManager_RegisterObject ========
	* Purpose:
	* Register object with DCD module
	*/
	DBAPI DSPManager_RegisterObject(IN struct DSP_UUID *pUuid,
	IN DSP_DCDOBJTYPE objType, IN CHAR *pszPathName)
	{
	DSP_STATUS status = DSP_SOK;
	Trapped_Args tempStruct;
	#ifdef DEBUG_BRIDGE_PERF
	struct timeval tv_beg;
	struct timeval tv_end;
	struct timezone tz;
	int timeRetVal = 0;

	timeRetVal = getTimeStamp(&tv_beg);
	#endif

	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
	(TEXT("MGR: DSPManager_RegisterObject\r\n")));

	if ((pUuid == NULL) \|\| (objType > DSP_DCDDELETELIBTYPE) \|\|
	(pszPathName == NULL)) {
	status = DSP_EINVALIDARG;
	}

	if (DSP_SUCCEEDED(status)) {
	/* Call DSP Trap */
	tempStruct.ARGS_MGR_REGISTEROBJECT.pUuid = pUuid;
	tempStruct.ARGS_MGR_REGISTEROBJECT.objType = objType;
	tempStruct.ARGS_MGR_REGISTEROBJECT.pszPathName = pszPathName;
	status = DSPTRAP_Trap(&tempStruct,
	CMD_MGR_REGISTEROBJECT_OFFSET);
	}
	#ifdef DEBUG_BRIDGE_PERF
	timeRetVal = getTimeStamp(&tv_end);
	PrintStatistics(&tv_beg, &tv_end, "DSPManager_RegisterObject", 0);
	#endif

	return status;
	}

	/*
	* ======== DSPManager_UnregisterObject ========
	* Purpose:
	* Unregister object with DCD module
	*/
	DBAPI DSPManager_UnregisterObject(IN struct DSP_UUID *pUuid,
	IN DSP_DCDOBJTYPE objType)
	{
	DSP_STATUS status = DSP_SOK;
	Trapped_Args tempStruct;
	#ifdef DEBUG_BRIDGE_PERF
	struct timeval tv_beg;
	struct timeval tv_end;
	struct timezone tz;
	int timeRetVal = 0;

	timeRetVal = getTimeStamp(&tv_beg);
	#endif

	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
	(TEXT("MGR: DSPManager_RegisterObject\r\n")));

	if ((pUuid == NULL) \|\| (objType > DSP_DCDDELETELIBTYPE))
	status = DSP_EINVALIDARG;


	if (DSP_SUCCEEDED(status)) {
	/* Call DSP Trap */
	tempStruct.ARGS_MGR_UNREGISTEROBJECT.pUuid = pUuid;
	tempStruct.ARGS_MGR_UNREGISTEROBJECT.objType = objType;
	status = DSPTRAP_Trap(&tempStruct,
	CMD_MGR_UNREGISTEROBJECT_OFFSET);
	}
	#ifdef DEBUG_BRIDGE_PERF
	timeRetVal = getTimeStamp(&tv_end);
	PrintStatistics(&tv_beg, &tv_end, "DSPManager_UnregisterObject", 0);

	#endif

	return status;
	}

	#ifndef RES_CLEANUP_DISABLE
	/*
	* ======== DSPManager_GetProcResourceInfo ========
	* Purpose:
	* Get GPP process resource info
	*/
	DBAPI DSPManager_GetProcResourceInfo(UINT pBuf, UINT pSize)
	{
	DSP_STATUS status = DSP_SOK;
	Trapped_Args tempStruct;
	DEBUGMSG(DSPAPI_ZONE_FUNCTION,
	(TEXT("MGR: DSPManager_RegisterObject\r\n")));

	if (pBuf == NULL)
	status = DSP_EINVALIDARG;

	if (DSP_SUCCEEDED(status)) {
	/* Call DSP Trap */
	tempStruct.ARGS_PROC_GETTRACE.pBuf = (BYTE *)pBuf;
	status = DSPTRAP_Trap(&tempStruct, CMD_MGR_RESOUCES_OFFSET);
	}

	return status;
	}
	#endif