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// Copyright 2014 Ettus Research
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: LGPL-3.0-or-later
module axi_pipe_join
#(parameter PRE_JOIN_STAGES0=3,
parameter PRE_JOIN_STAGES1=3,
parameter POST_JOIN_STAGES=3)
(input clk, input reset, input clear,
input i0_tlast, input i0_tvalid, output i0_tready,
input i1_tlast, input i1_tvalid, output i1_tready,
output o_tlast, output o_tvalid, input o_tready,
output [PRE_JOIN_STAGES0-1:0] enables0,
output [PRE_JOIN_STAGES1-1:0] enables1,
output [POST_JOIN_STAGES-1:0] enables_post);
wire join_tlast, join_tvalid, join_tready;
wire int0_tlast, int0_tvalid, int0_tready;
wire int1_tlast, int1_tvalid, int1_tready;
axi_pipe #(.STAGES(PRE_JOIN_STAGES0)) pipe_pre_0
(.clk(clk), .reset(reset), .clear(clear),
.i_tlast(i0_tlast), .i_tvalid(i0_tvalid), .i_tready(i0_tready),
.o_tlast(int0_tlast), .o_tvalid(int0_tvalid), .o_tready(int0_tready),
.enables(enables0), .valids());
axi_pipe #(.STAGES(PRE_JOIN_STAGES1)) pipe_pre_1
(.clk(clk), .reset(reset), .clear(clear),
.i_tlast(i1_tlast), .i_tvalid(i1_tvalid), .i_tready(i1_tready),
.o_tlast(int1_tlast), .o_tvalid(int1_tvalid), .o_tready(int1_tready),
.enables(enables1), .valids());
axi_pipe #(.STAGES(POST_JOIN_STAGES)) pipe_post
(.clk(clk), .reset(reset), .clear(clear),
.i_tlast(join_tlast), .i_tvalid(join_tvalid), .i_tready(join_tready),
.o_tlast(o_tlast), .o_tvalid(o_tvalid), .o_tready(o_tready),
.enables(enables_post), .valids());
axi_join #(.INPUTS(2)) joiner
(.i_tlast({int1_tlast,int0_tlast}), .i_tvalid({int1_tvalid,int0_tvalid}), .i_tready({int1_tready,int0_tready}),
.o_tlast(join_tlast), .o_tvalid(join_tvalid), .o_tready(join_tready));
endmodule // axi_pipe_join
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