source: svn/newcon3bcm2_21bu/BSEAV/lib/si/a56/nim/si_nim_mmt.c

/***************************************************************
**
** Broadcom Corp. Confidential
** Copyright 2003-2012 Broadcom Corp. All Rights Reserved.
**
** THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED 
** SOFTWARE LICENSE AGREEMENT BETWEEN THE USER AND BROADCOM. 
** YOU HAVE NO RIGHT TO USE OR EXPLOIT THIS MATERIAL EXCEPT 
** SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
**
** File:                si_nim_mmt.c
** Description: function that parses the MMT table of the NIM
**              table section. 
**
** Created: 03/08/2001 
**                      02/01/2012 modified for A56 support
**
** REVISION:
**
** $Log: $
**
**
****************************************************************/

#include "si.h"
#include "si_os.h"
#include "si_dbg.h"
#include "si_util.h"
#include "si_nim_mmt.h"

NIM_MMT_RECORD NIM_MMT_Table[NIM_MMT_MAX_TABLE_SIZE];  
unsigned long Total_NIM_MMT_entries = 0;
static SI_NIM_MMT_Callback_t *s_SI_MMT_Callback = NULL;

void SI_NIM_MMT_Init (SI_NIM_MMT_Callback_t *p_cb)
{
        SI_memset(NIM_MMT_Table, 0, sizeof(NIM_MMT_Table));
        Total_NIM_MMT_entries =0;
        s_SI_MMT_Callback = p_cb;
}

/*********************************************************************/
/* Function : SI_NIM_MMT_parse                                                                           */
/* Description : Function to parse the MMT table and populate the        */
/*               carrier freq table.                                                             */
/* Input : mmt_record, point to the current ith MMT table                */
/*            defined in NIM table section. There may be up to       */
/*            number_of_record MMT table defined in NIM table            */
/*            section. See table 5.1 of ANSI/A56                                         */
/*         idx, point to the location where this MMT will be         */
/*                        located in the overall MMT table.                                              */
/* Output : none                                                                                                         */
/*********************************************************************/
void SI_NIM_MMT_parse (unsigned char * mmt_record, unsigned char idx)
{
        int tmp;

        SI_DBG_PRINT(E_SI_DBG_MSG,("NIM MMT Table received.\n"));

        tmp = SI_Construct_Data(mmt_record, 
                NIM_MMT_TRANSMISSION_SYSTEM_BYTE_INDX,
                NIM_MMT_TRANSMISSION_SYSTEM_BYTE_NUM,
                NIM_MMT_TRANSMISSION_SYSTEM_SHIFT,
                NIM_MMT_TRANSMISSION_SYSTEM_MASK);
                                                                
        /* little bit validation check */
        if ((tmp < TS_ITU_T_ANNEX_A) || (tmp > TS_ITU_T_ANNEX_D)) {
                SI_DBG_PRINT(E_SI_DBG_WRN,("Invalid transmission system\n"));
                return;
        }
        NIM_MMT_Table[idx].transmission_system = (unsigned char)tmp;

        NIM_MMT_Table[idx].inner_coding_mode = SI_Construct_Data(mmt_record, 
                NIM_MMT_INNER_CODING_MODE_BYTE_INDX,
                NIM_MMT_INNER_CODING_MODE_BYTE_NUM,
                NIM_MMT_INNER_CODING_MODE_SHIFT,
                NIM_MMT_INNER_CODING_MODE_MASK);
                                                
        NIM_MMT_Table[idx].split_bitstream_mode = SI_Construct_Data(mmt_record, 
                NIM_MMT_SPLIT_BITSTREAM_MODE_BYTE_INDX,
                NIM_MMT_SPLIT_BITSTREAM_MODE_BYTE_NUM,
                NIM_MMT_SPLIT_BITSTREAM_MODE_SHIFT,
                NIM_MMT_SPLIT_BITSTREAM_MODE_MASK);
                                                
        tmp = SI_Construct_Data(mmt_record, 
                NIM_MMT_MODULATION_FORMAT_BYTE_INDX,
                NIM_MMT_MODULATION_FORMAT_BYTE_NUM,
                NIM_MMT_MODULATION_FORMAT_SHIFT,
                NIM_MMT_MODULATION_FORMAT_MASK);
        if ((tmp != MOD_QPSK) && (tmp != MOD_QAM64) && (tmp != MOD_QAM256)) {
                SI_DBG_PRINT(E_SI_DBG_WRN,("Unsupported modulation format\n"));
                return;
        }
                                                
        NIM_MMT_Table[idx].modulation_format = (unsigned char)tmp;

        NIM_MMT_Table[idx].symbol_rate = SI_Construct_Data(mmt_record, 
                NIM_MMT_SYMBOL_RATE_BYTE_INDX,
                NIM_MMT_SYMBOL_RATE_BYTE_NUM,
                NIM_MMT_SYMBOL_RATE_SHIFT,
                NIM_MMT_SYMBOL_RATE_MASK);
        
        NIM_MMT_Table[idx].idx = idx;
        Total_NIM_MMT_entries++;
        if (s_SI_MMT_Callback)
        {
                s_SI_MMT_Callback->cb(&NIM_MMT_Table[idx],s_SI_MMT_Callback->data);
        }
        SI_DBG_PRINT(E_SI_DBG_MSG,("NIM MMT Entry: index %x, xmit sys  %x, inner code %x, mod %x, symb rate %x symb/s\n", idx,NIM_MMT_Table[idx].transmission_system,NIM_MMT_Table[idx].inner_coding_mode,NIM_MMT_Table[idx].modulation_format,NIM_MMT_Table[idx].symbol_rate));
}