576 lines
18 KiB
C
576 lines
18 KiB
C
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/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*\
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File: oct6100_tsst.c
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Copyright (c) 2001-2007 Octasic Inc.
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Description:
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This file contains the functions used to manage the allocation of TSST
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control structures in internal memory.
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This file is part of the Octasic OCT6100 GPL API . The OCT6100 GPL API is
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free software; you can redistribute it and/or modify it under the terms of
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the GNU General Public License as published by the Free Software Foundation;
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either version 2 of the License, or (at your option) any later version.
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The OCT6100 GPL API is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with the OCT6100 GPL API; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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$Octasic_Release: OCT612xAPI-01.00-PR49 $
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$Octasic_Revision: 39 $
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\*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
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/***************************** INCLUDE FILES *******************************/
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#include "octdef.h"
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#include "oct6100api/oct6100_defines.h"
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#include "oct6100api/oct6100_errors.h"
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#include "apilib/octapi_llman.h"
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#include "oct6100api/oct6100_apiud.h"
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#include "oct6100api/oct6100_tlv_inst.h"
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#include "oct6100api/oct6100_chip_open_inst.h"
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#include "oct6100api/oct6100_chip_stats_inst.h"
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#include "oct6100api/oct6100_interrupts_inst.h"
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#include "oct6100api/oct6100_remote_debug_inst.h"
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#include "oct6100api/oct6100_debug_inst.h"
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#include "oct6100api/oct6100_api_inst.h"
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#include "oct6100api/oct6100_tsst_inst.h"
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#include "oct6100api/oct6100_interrupts_pub.h"
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#include "oct6100api/oct6100_channel_pub.h"
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#include "oct6100api/oct6100_chip_open_pub.h"
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#include "oct6100_chip_open_priv.h"
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#include "oct6100_tsst_priv.h"
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/**************************** PRIVATE FUNCTIONS ****************************/
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/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*\
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Function: Oct6100ApiGetTsstSwSizes
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Description: Gets the sizes of all portions of the API instance pertinent
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to the management of TSSTs.
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-------------------------------------------------------------------------------
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| Argument | Description
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-------------------------------------------------------------------------------
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f_pInstSizes Pointer to struct containing instance sizes.
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\*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
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#if !SKIP_Oct6100ApiGetTsstSwSizes
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UINT32 Oct6100ApiGetTsstSwSizes(
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OUT tPOCT6100_API_INSTANCE_SIZES f_pInstSizes )
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{
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UINT32 ulTempVar;
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UINT32 ulResult;
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/* Determine amount of TSST needed for TSST allocation table. */
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f_pInstSizes->ulTsstAlloc = 4096 / 8;
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/* Calculate the API memory required for the TSST entry list. */
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f_pInstSizes->ulTsstEntryList = cOCT6100_MAX_TSSTS * sizeof( tOCT6100_API_TSST_ENTRY );
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/* Calculate memory needed for TSST entry allocation. */
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ulResult = OctapiLlmAllocGetSize( cOCT6100_MAX_TSSTS, &f_pInstSizes->ulTsstEntryAlloc );
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if ( ulResult != cOCT6100_ERR_OK )
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return cOCT6100_ERR_FATAL_4D;
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mOCT6100_ROUND_MEMORY_SIZE( f_pInstSizes->ulTsstAlloc, ulTempVar );
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mOCT6100_ROUND_MEMORY_SIZE( f_pInstSizes->ulTsstEntryList, ulTempVar );
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mOCT6100_ROUND_MEMORY_SIZE( f_pInstSizes->ulTsstEntryAlloc, ulTempVar );
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return cOCT6100_ERR_OK;
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}
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#endif
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/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*\
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Function: Oct6100ApiTsstSwInit
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Description: Initializes all elements of the instance structure associated
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to the TSST control entries.
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-------------------------------------------------------------------------------
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| Argument | Description
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-------------------------------------------------------------------------------
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f_pApiInstance Pointer to API instance. This tsst is used to keep
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the present state of the chip and all its resources.
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\*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
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#if !SKIP_Oct6100ApiTsstSwInit
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UINT32 Oct6100ApiTsstSwInit(
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IN OUT tPOCT6100_INSTANCE_API f_pApiInstance )
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{
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tPOCT6100_SHARED_INFO pSharedInfo;
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tPOCT6100_API_TSST_ENTRY pTsstList;
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PUINT32 pulTsstAlloc;
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PVOID pTsstListAlloc;
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UINT32 ulResult;
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/* Get local pointer(s). */
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pSharedInfo = f_pApiInstance->pSharedInfo;
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/* Initialize the TSST allocation table to "all free". */
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mOCT6100_GET_TSST_ALLOC_PNT( pSharedInfo, pulTsstAlloc );
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Oct6100UserMemSet( pulTsstAlloc, 0x00, 512 );
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/* Initialize all the TSST list entries. */
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mOCT6100_GET_TSST_LIST_PNT( pSharedInfo, pTsstList );
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Oct6100UserMemSet( pTsstList, 0xFF, cOCT6100_MAX_TSSTS * sizeof(tOCT6100_API_TSST_ENTRY) );
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/* Initialize the allocation list to manage the TSST entries.*/
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mOCT6100_GET_TSST_LIST_ALLOC_PNT( pSharedInfo, pTsstListAlloc )
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ulResult = OctapiLlmAllocInit( &pTsstListAlloc, cOCT6100_MAX_TSSTS );
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if ( ulResult != cOCT6100_ERR_OK )
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return cOCT6100_ERR_FATAL_4E;
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return cOCT6100_ERR_OK;
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}
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#endif
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/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*\
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Function: Oct6100ApiValidateTsst
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Description: Validates a timeslot, stream combination.
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-------------------------------------------------------------------------------
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| Argument | Description
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-------------------------------------------------------------------------------
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f_pApiInstance Pointer to API instance. This tsst is used to keep
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the present state of the chip and all its resources.
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f_ulTimeslot Timeslot component of the TDM TSST.
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f_ulStream Stream component of the TDM TSST.
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f_ulNumTssts Number of TSST required.
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f_ulDirection Direction of the TSST (Input or Output).
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\*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
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#if !SKIP_Oct6100ApiValidateTsst
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UINT32 Oct6100ApiValidateTsst(
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IN OUT tPOCT6100_INSTANCE_API f_pApiInstance,
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IN UINT32 f_ulNumTssts,
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IN UINT32 f_ulTimeslot,
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IN UINT32 f_ulStream,
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IN UINT32 f_ulDirection )
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{
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tPOCT6100_SHARED_INFO pSharedInfo;
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tPOCT6100_API_CHIP_CONFIG pChipConfig;
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PUINT32 pulTsstAlloc;
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/* Obtain local pointer to shared portion of instance. */
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pSharedInfo = f_pApiInstance->pSharedInfo;
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mOCT6100_GET_TSST_ALLOC_PNT( f_pApiInstance->pSharedInfo, pulTsstAlloc );
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/* Obtain local pointer to chip configuration. */
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pChipConfig = &pSharedInfo->ChipConfig;
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/* Check the TDM streams, timeslots component for errors. */
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if ( f_ulTimeslot == cOCT6100_UNASSIGNED &&
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f_ulStream != cOCT6100_UNASSIGNED )
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return cOCT6100_ERR_TSST_TIMESLOT;
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if ( f_ulTimeslot != cOCT6100_UNASSIGNED &&
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f_ulStream == cOCT6100_UNASSIGNED )
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return cOCT6100_ERR_TSST_STREAM;
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if ( f_ulStream >= pChipConfig->byMaxTdmStreams )
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return cOCT6100_ERR_TSST_STREAM;
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/* Check timeslot value based on the frequenccy of the selected stream. */
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switch ( pChipConfig->aulTdmStreamFreqs[ f_ulStream / 4 ] )
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{
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case cOCT6100_TDM_STREAM_FREQ_2MHZ:
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if ( f_ulTimeslot >= 32 )
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return cOCT6100_ERR_TSST_TIMESLOT;
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break;
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case cOCT6100_TDM_STREAM_FREQ_4MHZ:
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if ( f_ulTimeslot >= 64 )
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return cOCT6100_ERR_TSST_TIMESLOT;
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break;
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case cOCT6100_TDM_STREAM_FREQ_8MHZ:
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if ( f_ulTimeslot >= 128 )
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return cOCT6100_ERR_TSST_TIMESLOT;
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break;
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case cOCT6100_TDM_STREAM_FREQ_16MHZ:
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if ( f_ulTimeslot >= 256 )
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return cOCT6100_ERR_TSST_TIMESLOT;
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/* Check the stream value based on the direction. */
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if ( f_ulDirection == cOCT6100_INPUT_TSST && f_ulStream >= 16 )
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{
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return cOCT6100_ERR_TSST_STREAM;
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}
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else if( f_ulDirection == cOCT6100_OUTPUT_TSST && f_ulStream < 16 )
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{
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return cOCT6100_ERR_TSST_STREAM;
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}
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break;
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default:
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return cOCT6100_ERR_FATAL_DC;
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}
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/* Stream must be odd if two TSSTs are required. */
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if ( f_ulNumTssts == 2 && ( ( f_ulStream & 0x1) != 0x1 ) )
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return cOCT6100_ERR_TSST_STREAM;
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return cOCT6100_ERR_OK;
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}
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#endif
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/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*\
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Function: Oct6100ApiReserveTsst
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Description: Reserves a TSST, only one TSI entry can access a TSST at any one
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time.
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If the pointer f_pulTsstListIndex is set to NULL, no TSST list
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entry will be reserved.
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The index in TSST control memory returned is based on the frequency
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of the streams where the TSST is located and on the direction of
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the TSST ( input or output ).
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-------------------------------------------------------------------------------
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| Argument | Description
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-------------------------------------------------------------------------------
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f_pApiInstance Pointer to API instance. This tsst is used to keep
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the present state of the chip and all its resources.
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f_ulTimeslot Timeslot component of the TDM TSST.
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f_ulNumTssts Number of TSSTs required.
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f_ulStream Stream component of the TDM TSST.
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f_ulDirection Whether the TSST in and input TSST or output TSST.
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f_pusTsstMemIndex Index of the resulting TSST in the TSST control memory.
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f_pusTsstListIndex Index in the TSST list of the current entry.
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\*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
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#if !SKIP_Oct6100ApiReserveTsst
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UINT32 Oct6100ApiReserveTsst(
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IN OUT tPOCT6100_INSTANCE_API f_pApiInstance,
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IN UINT32 f_ulTimeslot,
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IN UINT32 f_ulStream,
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IN UINT32 f_ulNumTsst,
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IN UINT32 f_ulDirection,
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OUT PUINT16 f_pusTsstMemIndex,
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OUT PUINT16 f_pusTsstListIndex )
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{
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tPOCT6100_SHARED_INFO pSharedInfo;
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PVOID pTsstListAlloc;
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PUINT32 pulTsstAlloc;
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UINT32 ulResult = cOCT6100_ERR_OK;
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UINT32 ulStream;
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UINT32 ulTimeslot;
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/* Get local pointer to shared portion of API instance structure. */
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pSharedInfo = f_pApiInstance->pSharedInfo;
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mOCT6100_GET_TSST_ALLOC_PNT( f_pApiInstance->pSharedInfo, pulTsstAlloc );
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/*==================================================================================*/
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/* Now make the proper conversion to obtain the TSST value. */
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/* Save the timeslot and stream value received. */
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ulStream = f_ulStream;
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ulTimeslot = f_ulTimeslot;
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/* Set the TSST index associated to this stream, timeslot combination. */
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switch ( f_pApiInstance->pSharedInfo->ChipConfig.aulTdmStreamFreqs[ f_ulStream / 4 ] )
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{
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case cOCT6100_TDM_STREAM_FREQ_16MHZ:
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if ( f_ulDirection == cOCT6100_INPUT_TSST )
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{
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ulStream = f_ulStream + ( f_ulTimeslot % 2 ) * 16;
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ulTimeslot = f_ulTimeslot / 2;
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}
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else /* f_ulDirection == cOCT6100_OUTPUT_TSST */
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{
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ulStream = ( f_ulStream - 16 ) + ( f_ulTimeslot % 2 ) * 16;
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if ( f_ulStream < 28 && ((f_ulTimeslot % 2) == 1) )
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{
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ulTimeslot = ((f_ulTimeslot / 2) + 4) % 128;
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}
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else
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{
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ulTimeslot = f_ulTimeslot / 2 ;
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}
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}
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*f_pusTsstMemIndex = (UINT16)( ulTimeslot * 32 + ulStream );
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break;
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case cOCT6100_TDM_STREAM_FREQ_8MHZ:
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*f_pusTsstMemIndex = (UINT16)( ulTimeslot * 32 + ulStream );
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break;
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case cOCT6100_TDM_STREAM_FREQ_4MHZ:
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*f_pusTsstMemIndex = (UINT16)( ulTimeslot * 32 * 2 );
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if ( f_ulDirection == cOCT6100_OUTPUT_TSST )
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{
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*f_pusTsstMemIndex = (UINT16)( *f_pusTsstMemIndex + ulStream );
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}
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else /* if ( f_ulDirection == cOCT6100_INPUT_TSST ) */
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{
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*f_pusTsstMemIndex = (UINT16)( ( 1 * 32 + ulStream ) + *f_pusTsstMemIndex );
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}
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break;
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case cOCT6100_TDM_STREAM_FREQ_2MHZ:
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*f_pusTsstMemIndex = (UINT16)( ulTimeslot * 32 * 4 );
|
||
|
|
if ( f_ulDirection == cOCT6100_OUTPUT_TSST )
|
||
|
|
{
|
||
|
|
*f_pusTsstMemIndex = (UINT16)( ulStream + *f_pusTsstMemIndex );
|
||
|
|
}
|
||
|
|
else /* if ( f_ulDirection == cOCT6100_INPUT_TSST ) */
|
||
|
|
{
|
||
|
|
*f_pusTsstMemIndex = (UINT16)( ( 3 * 32 + ulStream ) + *f_pusTsstMemIndex );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
ulResult = cOCT6100_ERR_FATAL_8B;
|
||
|
|
}
|
||
|
|
/*======================================================================*/
|
||
|
|
|
||
|
|
|
||
|
|
/*======================================================================*/
|
||
|
|
/* First reserve the TSST. */
|
||
|
|
|
||
|
|
/* Get local pointer to TSST's entry in allocation table. */
|
||
|
|
switch ( pSharedInfo->ChipConfig.aulTdmStreamFreqs[ ulStream / 4 ] )
|
||
|
|
{
|
||
|
|
case cOCT6100_TDM_STREAM_FREQ_2MHZ:
|
||
|
|
ulTimeslot *= 4;
|
||
|
|
break;
|
||
|
|
case cOCT6100_TDM_STREAM_FREQ_4MHZ:
|
||
|
|
ulTimeslot *= 2;
|
||
|
|
break;
|
||
|
|
case cOCT6100_TDM_STREAM_FREQ_8MHZ:
|
||
|
|
ulTimeslot *= 1;
|
||
|
|
break;
|
||
|
|
case cOCT6100_TDM_STREAM_FREQ_16MHZ:
|
||
|
|
ulTimeslot *= 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return cOCT6100_ERR_FATAL_DD;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Check if entry is already reserved. */
|
||
|
|
if ( ((pulTsstAlloc[ ulTimeslot ] >> ulStream) & 0x1) == 0x1 )
|
||
|
|
return cOCT6100_ERR_TSST_TSST_RESERVED;
|
||
|
|
|
||
|
|
/* Check and reserve the associated TSST if required. */
|
||
|
|
if ( f_ulNumTsst == 2 )
|
||
|
|
{
|
||
|
|
/* Check if entry is already reserved. */
|
||
|
|
if ( ((pulTsstAlloc[ ulTimeslot ] >> (ulStream - 1) ) & 0x1) == 0x1 )
|
||
|
|
return cOCT6100_ERR_TSST_ASSOCIATED_TSST_RESERVED;
|
||
|
|
|
||
|
|
/* The entry is free, it won't anymore. */
|
||
|
|
pulTsstAlloc[ ulTimeslot ] |= (0x1 << (ulStream - 1));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* The entry is free, it won't anymore.*/
|
||
|
|
pulTsstAlloc[ ulTimeslot ] |= (0x1 << ulStream);
|
||
|
|
|
||
|
|
/*======================================================================*/
|
||
|
|
|
||
|
|
|
||
|
|
/*======================================================================*/
|
||
|
|
/* Now reserve a TSST entry if requested. */
|
||
|
|
|
||
|
|
if ( f_pusTsstListIndex != NULL && ulResult == cOCT6100_ERR_OK )
|
||
|
|
{
|
||
|
|
UINT32 ulTsstListIndex;
|
||
|
|
|
||
|
|
/* Reserve a TSST entry in the API TSST list. */
|
||
|
|
mOCT6100_GET_TSST_LIST_ALLOC_PNT( f_pApiInstance->pSharedInfo, pTsstListAlloc );
|
||
|
|
|
||
|
|
ulResult = OctapiLlmAllocAlloc( pTsstListAlloc, &ulTsstListIndex );
|
||
|
|
if ( ulResult != cOCT6100_ERR_OK )
|
||
|
|
{
|
||
|
|
if ( ulResult == OCTAPI_LLM_NO_STRUCTURES_LEFT )
|
||
|
|
ulResult = cOCT6100_ERR_TSST_ALL_TSSTS_ARE_OPENED;
|
||
|
|
else
|
||
|
|
ulResult = cOCT6100_ERR_FATAL_52;
|
||
|
|
}
|
||
|
|
|
||
|
|
*f_pusTsstListIndex = (UINT16)( ulTsstListIndex & 0xFFFF );
|
||
|
|
}
|
||
|
|
/*======================================================================*/
|
||
|
|
|
||
|
|
|
||
|
|
/*======================================================================*/
|
||
|
|
/* Check the result of the TSST list reservation. */
|
||
|
|
|
||
|
|
if ( ulResult != cOCT6100_ERR_OK )
|
||
|
|
{
|
||
|
|
/* Release the previously reserved TSST. */
|
||
|
|
if ( f_ulNumTsst == 2 )
|
||
|
|
{
|
||
|
|
/* Clear the entry. */
|
||
|
|
pulTsstAlloc[ ulTimeslot ] &= ~(0x1 << (ulStream - 1) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Clear the entry. */
|
||
|
|
pulTsstAlloc[ ulTimeslot ] &= ~(0x1 << ulStream);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*======================================================================*/
|
||
|
|
|
||
|
|
return ulResult;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*\
|
||
|
|
|
||
|
|
Function: Oct6100ApiReleaseTsst
|
||
|
|
|
||
|
|
Description: Releases a TSST.
|
||
|
|
|
||
|
|
If f_usTsstListIndex is set to cOCT6100_INVALID_INDEX, the API
|
||
|
|
will assume that no TSST list entry was reserved for this TSST.
|
||
|
|
|
||
|
|
-------------------------------------------------------------------------------
|
||
|
|
| Argument | Description
|
||
|
|
-------------------------------------------------------------------------------
|
||
|
|
f_pApiInstance Pointer to API instance. This tsst is used to keep
|
||
|
|
the present state of the chip and all its resources.
|
||
|
|
|
||
|
|
f_ulNumTssts Number of TSSTs to be released.
|
||
|
|
f_ulStream Stream component of the TDM TSST.
|
||
|
|
f_ulTimeslot Timeslot component of the TDM TSST.
|
||
|
|
f_ulDirection Whether the TSST is an input TSST or output TSST.
|
||
|
|
f_usTsstListIndex Index in the TSST list of the current entry.
|
||
|
|
|
||
|
|
\*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
|
||
|
|
#if !SKIP_Oct6100ApiReleaseTsst
|
||
|
|
UINT32 Oct6100ApiReleaseTsst(
|
||
|
|
IN OUT tPOCT6100_INSTANCE_API f_pApiInstance,
|
||
|
|
IN UINT32 f_ulTimeslot,
|
||
|
|
IN UINT32 f_ulStream,
|
||
|
|
IN UINT32 f_ulNumTsst,
|
||
|
|
IN UINT32 f_ulDirection,
|
||
|
|
IN UINT16 f_usTsstListIndex)
|
||
|
|
{
|
||
|
|
tPOCT6100_SHARED_INFO pSharedInfo;
|
||
|
|
PUINT32 pulTsstAlloc;
|
||
|
|
PVOID pTsstListAlloc;
|
||
|
|
UINT32 ulResult;
|
||
|
|
UINT32 ulStream;
|
||
|
|
UINT32 ulTimeslot;
|
||
|
|
|
||
|
|
/* Get local pointer to shared portion of API instance structure. */
|
||
|
|
pSharedInfo = f_pApiInstance->pSharedInfo;
|
||
|
|
|
||
|
|
if ( f_usTsstListIndex != cOCT6100_INVALID_INDEX )
|
||
|
|
{
|
||
|
|
mOCT6100_GET_TSST_LIST_ALLOC_PNT( pSharedInfo, pTsstListAlloc )
|
||
|
|
|
||
|
|
ulResult = OctapiLlmAllocDealloc( pTsstListAlloc, f_usTsstListIndex );
|
||
|
|
if ( ulResult != cOCT6100_ERR_OK )
|
||
|
|
{
|
||
|
|
return cOCT6100_ERR_FATAL_53;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
mOCT6100_GET_TSST_ALLOC_PNT( f_pApiInstance->pSharedInfo, pulTsstAlloc );
|
||
|
|
|
||
|
|
/*==================================================================================*/
|
||
|
|
/* Now make the proper conversion to obtain the TSST value. */
|
||
|
|
|
||
|
|
/* Save the timeslot and stream value received. */
|
||
|
|
ulStream = f_ulStream;
|
||
|
|
ulTimeslot = f_ulTimeslot;
|
||
|
|
|
||
|
|
/* Set the TSST index associated to this stream, timeslot combination. */
|
||
|
|
if ( pSharedInfo->ChipConfig.aulTdmStreamFreqs[ f_ulStream / 4 ] == cOCT6100_TDM_STREAM_FREQ_16MHZ )
|
||
|
|
{
|
||
|
|
if ( f_ulDirection == cOCT6100_INPUT_TSST )
|
||
|
|
{
|
||
|
|
ulStream = f_ulStream + ( f_ulTimeslot % 2 ) * 16;
|
||
|
|
ulTimeslot = f_ulTimeslot / 2;
|
||
|
|
}
|
||
|
|
else /* f_ulDirection == cOCT6100_OUTPUT_TSST */
|
||
|
|
{
|
||
|
|
ulStream = ( f_ulStream - 16 ) + ( f_ulTimeslot % 2 ) * 16;
|
||
|
|
|
||
|
|
if ( f_ulStream < 28 && ((f_ulTimeslot % 2) == 1) )
|
||
|
|
{
|
||
|
|
ulTimeslot = ((f_ulTimeslot / 2) + 4) % 128;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ulTimeslot = f_ulTimeslot / 2 ;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Get local pointer to TSST's entry in allocation table. */
|
||
|
|
switch ( pSharedInfo->ChipConfig.aulTdmStreamFreqs[ ulStream / 4 ] )
|
||
|
|
{
|
||
|
|
case cOCT6100_TDM_STREAM_FREQ_2MHZ:
|
||
|
|
ulTimeslot *= 4;
|
||
|
|
break;
|
||
|
|
case cOCT6100_TDM_STREAM_FREQ_4MHZ:
|
||
|
|
ulTimeslot *= 2;
|
||
|
|
break;
|
||
|
|
case cOCT6100_TDM_STREAM_FREQ_8MHZ:
|
||
|
|
ulTimeslot *= 1;
|
||
|
|
break;
|
||
|
|
case cOCT6100_TDM_STREAM_FREQ_16MHZ:
|
||
|
|
ulTimeslot *= 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return cOCT6100_ERR_FATAL_DE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Check if entry is actualy reserved. */
|
||
|
|
if ( ((pulTsstAlloc[ ulTimeslot ] >> ulStream) & 0x1) != 0x1 )
|
||
|
|
return cOCT6100_ERR_FATAL_55;
|
||
|
|
|
||
|
|
/*==================================================================================*/
|
||
|
|
|
||
|
|
/* Clear the entry. */
|
||
|
|
pulTsstAlloc[ ulTimeslot ] &= ~(0x1 << ulStream);
|
||
|
|
|
||
|
|
/* Check and release the associated TSST if required. */
|
||
|
|
if ( f_ulNumTsst == 2 )
|
||
|
|
{
|
||
|
|
/* Check if entry is actualy reserved. */
|
||
|
|
if ( ((pulTsstAlloc[ ulTimeslot ] >> ( ulStream - 1)) & 0x1) != 0x1 )
|
||
|
|
return cOCT6100_ERR_FATAL_54;
|
||
|
|
|
||
|
|
/* Clear the entry. */
|
||
|
|
pulTsstAlloc[ ulTimeslot ] &= ~(0x1 << (ulStream - 1));
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return cOCT6100_ERR_OK;
|
||
|
|
}
|
||
|
|
#endif
|