HIFIVE1-VP/platform/incl/sysc/SiFive/spi.h

89 lines
2.9 KiB
C++

/*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 HOLDER 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
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#ifndef _SPI_H_
#define _SPI_H_
#include <sysc/utils/sc_vector.h>
#include <tlm/scc/tlm_signal.h>
namespace sysc {
namespace spi_impl {
class beh;
class rtl;
}
class spi : public sc_core::sc_module {
public:
template <typename TYPE>
static std::unique_ptr<spi> create(sc_core::sc_module_name nm);
template <typename T> using tlm_in = tlm::scc::tlm_signal_opt_target_socket<T>;
template <typename T> using tlm_out = tlm::scc::tlm_signal_opt_initiator_socket<T>;
tlm::tlm_target_socket<> socket;
sc_core::sc_in<sc_core::sc_time> clk_i;
sc_core::sc_in<bool> rst_i;
tlm_out<bool> sck_o;
tlm_out<bool> mosi_o;
tlm_in<bool> miso_i;
sc_core::sc_vector<tlm_out<bool>> scs_o;
sc_core::sc_out<bool> irq_o;
spi(spi &other) = delete;
spi(spi &&other) = delete;
spi &operator=(spi &other) = delete;
spi &operator=(spi &&other) = delete;
~spi() override = default;
protected:
spi(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, NAMED(clk_i)
, NAMED(rst_i)
, NAMED(sck_o)
, NAMED(mosi_o)
, NAMED(miso_i)
, NAMED(scs_o, 4)
, NAMED(irq_o){};
};
} /* namespace sysc */
#endif /* _SPI_H_ */