/*******************************************************************************
 * Copyright 2017 eyck@minres.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License.  You may obtain a copy
 * of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations under
 * the License.
 ******************************************************************************/

#ifndef _GPIO_H_
#define _GPIO_H_

#include <scc/tlm_target.h>
#include <tlm/tlm_signal.h>

namespace sysc {

class gpio_regs;

class gpio : public sc_core::sc_module, public scc::tlm_target<> {
public:
    SC_HAS_PROCESS(gpio);
    sc_core::sc_in<sc_core::sc_time> clk_i;
    sc_core::sc_in<bool> rst_i;
    sc_core::sc_vector<tlm::tlm_signal_initiator_socket<>> out;
    sc_core::sc_vector<tlm::tlm_signal_target_socket<>> in;
    gpio(sc_core::sc_module_name nm);
    virtual ~gpio();

protected:
    void clock_cb();
    void reset_cb();
    sc_core::sc_time clk;
    std::unique_ptr<gpio_regs> regs;
};

} /* namespace sysc */

#endif /* _GPIO_H_ */