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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 David Shah <david@symbioticeda.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef ECP5_CELLS_H
#define ECP5_CELLS_H
#include "nextpnr.h"
NEXTPNR_NAMESPACE_BEGIN
// Create a standard ECP5 cell and return it
// Name will be automatically assigned if not specified
std::unique_ptr<CellInfo> create_ecp5_cell(Context *ctx, IdString type, std::string name = "");
// Return true if a cell is a LUT
inline bool is_lut(const BaseCtx *ctx, const CellInfo *cell) { return cell->type == ctx->id("LUT4"); }
// Return true if a cell is a flipflop
inline bool is_ff(const BaseCtx *ctx, const CellInfo *cell) { return cell->type == ctx->id("TRELLIS_FF"); }
inline bool is_carry(const BaseCtx *ctx, const CellInfo *cell) { return cell->type == ctx->id("CCU2C"); }
inline bool is_lc(const BaseCtx *ctx, const CellInfo *cell) { return cell->type == ctx->id("TRELLIS_SLICE"); }
inline bool is_trellis_io(const BaseCtx *ctx, const CellInfo *cell) { return cell->type == ctx->id("TRELLIS_IO"); }
inline bool is_dpram(const BaseCtx *ctx, const CellInfo *cell) { return cell->type == ctx->id("TRELLIS_DPR16X4"); }
inline bool is_pfumx(const BaseCtx *ctx, const CellInfo *cell) { return cell->type == ctx->id("PFUMX"); }
inline bool is_l6mux(const BaseCtx *ctx, const CellInfo *cell) { return cell->type == ctx->id("L6MUX21"); }
inline bool is_iologic_input_cell(const BaseCtx *ctx, const CellInfo *cell)
{
return cell->type == ctx->id("IDDRX1F") || cell->type == ctx->id("IDDRX2F") || cell->type == ctx->id("IDDR71B") ||
cell->type == ctx->id("IDDRX2DQA");
}
inline bool is_iologic_output_cell(const BaseCtx *ctx, const CellInfo *cell)
{
return cell->type == ctx->id("ODDRX1F") || cell->type == ctx->id("ODDRX2F") || cell->type == ctx->id("ODDR71B") ||
cell->type == ctx->id("ODDRX2DQA") || cell->type == ctx->id("ODDRX2DQSB") || cell->type == ctx->id("OSHX2A");
}
void ff_to_slice(Context *ctx, CellInfo *ff, CellInfo *lc, int index, bool driven_by_lut);
void lut_to_slice(Context *ctx, CellInfo *lut, CellInfo *lc, int index);
void ccu2c_to_slice(Context *ctx, CellInfo *ccu, CellInfo *lc);
void dram_to_ramw(Context *ctx, CellInfo *ram, CellInfo *lc);
void dram_to_ram_slice(Context *ctx, CellInfo *ram, CellInfo *lc, CellInfo *ramw, int index);
// Convert a nextpnr IO buffer to a TRELLIS_IO
void nxio_to_tr(Context *ctx, CellInfo *nxio, CellInfo *trio, std::vector<std::unique_ptr<CellInfo>> &created_cells,
std::unordered_set<IdString> &todelete_cells);
NEXTPNR_NAMESPACE_END
#endif
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