/* -*- c++ -*-
 *
 * SOCLIB_LGPL_HEADER_BEGIN
 * 
 * This file is part of SoCLib, GNU LGPLv2.1.
 * 
 * SoCLib 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.
 * 
 * SoCLib is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with SoCLib; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * SOCLIB_LGPL_HEADER_END
 *
 * Copyright (c) UPMC, Lip6, Asim
 *         Nicolas Pouillon <nipo@ssji.net>, 2007
 *
 * Maintainers: alain
 */

#ifndef SOCLIB_VCI_TTY_TSAR_H
#define SOCLIB_VCI_TTY_TSAR_H

#include <systemc>
#include "caba_base_module.h"
#include "tty_wrapper.h"
#include "mapping_table.h"
#include "int_tab.h"
#include "vci_target.h"

namespace soclib {
namespace caba {

using namespace sc_core;
using namespace soclib::common;

///////////////////////////////////////////
template<typename vci_param>
class VciTtyTsar
///////////////////////////////////////////
	: public soclib::caba::BaseModule
{
public:

    typedef typename vci_param::fast_addr_t  vci_addr_t;
    typedef typename vci_param::fast_data_t  vci_data_t;
    typedef typename vci_param::srcid_t      vci_srcid_t;
    typedef typename vci_param::trdid_t      vci_trdid_t;
    typedef typename vci_param::pktid_t      vci_pktid_t;


    enum fsm_state_e
    {
        IDLE,
        RSP_WRITE,
        RSP_READ,
        RSP_ERROR,
    };

    // Ports
    sc_in<bool>                                 p_clk;
    sc_in<bool>                                 p_resetn;
    soclib::caba::VciTarget<vci_param>          p_vci;
    sc_out<bool>*                               p_irq_rx;
    sc_out<bool>*                               p_irq_tx;

	VciTtyTsar( sc_module_name                  name,
		        const IntTab                    &index,
		        const MappingTable              &mt,
                const std::vector<std::string>  &names );

	VciTtyTsar( sc_module_name                  name, 
                const IntTab                    &index,
		        const MappingTable              &mt,
                const char*                     first_name, ...);


    ~VciTtyTsar();
    

private:

    // Registers
    sc_signal<int>                              r_fsm_state;
    sc_signal<vci_data_t>                       r_rdata;
    sc_signal<vci_srcid_t>                      r_srcid;
    sc_signal<vci_trdid_t>                      r_trdid;
    sc_signal<vci_pktid_t>                      r_pktid;
    sc_signal<bool>                             r_rx_irq_enable[32];
    sc_signal<bool>                             r_tx_irq_enable[32];
      
    std::vector<soclib::common::TtyWrapper*>    m_term;
    std::list<soclib::common::Segment>          m_seglist;

    void transition();
    void genMoore();

	void init(const std::vector<std::string> &names );

protected:

    SC_HAS_PROCESS(VciTtyTsar);

public:

    void print_trace( size_t channel );
};

}}

#endif /* SOCLIB_VCI_TTY_TSAR_H */

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