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/////////////////////////////////////////////////////////////////////

////                                                             ////

////  USB PHY                                                    ////

////                                                             ////

////  SystemC Version: usb_phy.cpp                               ////

////  Author: Alfredo Luiz Foltran Fialho                        ////

////          alfoltran@ig.com.br                                ////

////                                                             ////

////                                                             ////

/////////////////////////////////////////////////////////////////////

////                                                             ////

//// Verilog Version: usb_phy.v                                  ////

//// Copyright (C) 2000-2002 Rudolf Usselmann                    ////

////                         www.asics.ws                        ////

////                         rudi@asics.ws                       ////

////                                                             ////

//// This source file may be used and distributed without        ////

//// restriction provided that this copyright statement is not   ////

//// removed from the file and that any derivative work contains ////

//// the original copyright notice and the associated disclaimer.////

////                                                             ////

////     THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY     ////

//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   ////

//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS   ////

//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR      ////

//// 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.                                 ////

////                                                             ////

/////////////////////////////////////////////////////////////////////

#include "systemc.h"

#include "usb_phy.h"

void usb_phy::reset_up(void) {

        reset.write(rst.read() && !usb_rst.read());

}

void usb_phy::rst_cnt_up(void) {

        if (!rst.read())

                rst_cnt.write(0);

        else if (LineState_o.read() != 0)

                rst_cnt.write(0);

        else if (!usb_rst.read() && fs_ce.read())

                rst_cnt.write(rst_cnt.read() + 1);

}

void usb_phy::usb_rst_up(void) {

        usb_rst.write(rst_cnt.read() == 31);

}

/*

usb_phy::~usb_phy(void) {

        if (i_tx_phy)

                delete i_tx_phy;

        if (i_rx_phy)

                delete i_rx_phy;

}

*/