pibscalers.c
Author: cmaier@cmassoc.net

    /*====================================================================*
     *
     *   Copyright (c) 2013 Qualcomm Atheros, Inc.
     *
     *   All rights reserved.
     *
     *   Redistribution and use in source and binary forms, with or
     *   without modification, are permitted (subject to the limitations
     *   in the disclaimer below) provided that the following conditions
     *   are met:
     *
     *   * Redistributions of source code must retain the above copyright
     *     notice, this list of conditions and the following disclaimer.
     *
     *   * Redistributions in binary form must reproduce the above
     *     copyright notice, this list of conditions and the following
     *     disclaimer in the documentation and/or other materials
     *     provided with the distribution.
     *
     *   * Neither the name of Qualcomm Atheros nor the names of
     *     its contributors may be used to endorse or promote products
     *     derived from this software without specific prior written
     *     permission.
     *
     *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
     *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
     *   COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
     *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
     *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *
     *   uint16_t pibscalers (struct _file_ * pib);
     *
     *   return the number of scalers (carriers) based on the FWVERSION
     *   stored in a .pib file; this function is a fix so that older
     *   toolkit programs will work with newer chipsets;
     *
     *   chipsets with the following carriers are supported:
     *     - 1155 carriers
     *     - 1345 carriers
     *     - 2880 carriers
     *
     *--------------------------------------------------------------------*/

    #ifndef PIBSCALERS_SOURCE
    #define PIBSCALERS_SOURCE

    #include <unistd.h>
    #include <errno.h>

    #include "../plc/plc.h"
    #include "../pib/pib.h"
    #include "../tools/error.h"

    uint16_t pibscalers (struct _file_ * pib)

    {
    	// TODO: improve chipset detection

    	struct pib_header pib_header;
    	if (read (pib->file, &pib_header, sizeof (pib_header)) != sizeof (pib_header))
    	{
    		error (1, errno, "%s", pib->name);
    	}
    	if ((pib_header.FWVERSION  == 0x01) &&
    		(pib_header.PIBVERSION == 0x00))
    	{
    		return (PLC_CARRIERS);
    	}
    	if (pib_header.FWVERSION < 0x05)
    	{
    		return (INT_CARRIERS);
    	}
    	return (AMP_CARRIERS);
    }

    #endif

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