//+FHDR--------------------------------------------------------------------------------------------------------
//  Company: 
//-----------------------------------------------------------------------------------------------------------------
//  File Name             :    TailCorr_top.v
//  Department            :    
//  Author                :    thfu
//  Author's Tel          :     
//-----------------------------------------------------------------------------------------------------------------
//  Relese History
//  Version     Date            Author          Description
//  0.3        2024-05-15      thfu
//-----------------------------------------------------------------------------------------------------------------
//  Keywords            :       
//
//-----------------------------------------------------------------------------------------------------------------
//  Parameter
//
//-----------------------------------------------------------------------------------------------------------------
//  Purpose                 :
//                      
//-----------------------------------------------------------------------------------------------------------------
//  Target Device:        
//  Tool versions:        
//-----------------------------------------------------------------------------------------------------------------
//  Reuse Issues
//  Reset Strategy: 
//  Clock Domains: 
//  Critical Timing:
//  Asynchronous I/F:
//  Synthesizable (y/n): 
//  Other:
//-FHDR--------------------------------------------------------------------------------------------------------

module 	IIR_top	 	

(
 input   rstn
,input   clk
,input   en
,input   signed [15   :0]   IIRin_p0
,input   signed [15   :0]   IIRin_p1
,input   signed [15   :0]   IIRin_p2
,input   signed [15   :0]   IIRin_p3
,input   signed [15   :0]   IIRin_p4
,input   signed [15   :0]   IIRin_p5
,input   signed [15   :0]   IIRin_p6
,input   signed [15   :0]   IIRin_p7
,input   signed	[31   :0]   a_re
,input   signed	[31   :0]   a_im
,input   signed	[31   :0]   ab_re
,input   signed	[31   :0]   ab_im
,input   signed	[31   :0]   abb_re
,input   signed	[31   :0]   abb_im
,input   signed	[31   :0]   ab_pow3_re
,input   signed	[31   :0]   ab_pow3_im
,input   signed	[31   :0]   ab_pow4_re
,input   signed	[31   :0]   ab_pow4_im
,input   signed	[31   :0]   ab_pow5_re
,input   signed	[31   :0]   ab_pow5_im
,input   signed	[31   :0]   ab_pow6_re
,input   signed	[31   :0]   ab_pow6_im
,input   signed	[31   :0]   ab_pow7_re
,input   signed	[31   :0]   ab_pow7_im
,input   signed	[31   :0]   b_pow8_re
,input   signed	[31   :0]   b_pow8_im

,output  signed [15   :0]   IIRout_p0 
,output  signed [15   :0]   IIRout_p1 
,output  signed [15   :0]   IIRout_p2 
,output  signed [15   :0]   IIRout_p3 
,output  signed [15   :0]   IIRout_p4 
,output  signed [15   :0]   IIRout_p5 
,output  signed [15   :0]   IIRout_p6 
,output  signed [15   :0]   IIRout_p7 
		 	);
reg signed [15:0] IIRin_p_r1 [7:1];
wire  signed  [15 : 0]  IIRin_p  [7:0] = {IIRin_p7, IIRin_p6,IIRin_p5,IIRin_p4,IIRin_p3,IIRin_p2,IIRin_p1,IIRin_p0};  
integer i;
always @(posedge clk or negedge rstn) begin
    if (!rstn) begin
        for (i = 1; i < 8; i = i + 1) begin
            IIRin_p_r1[i] <= 'h0;
        end
    end 
    else if (en) begin
        for (i = 1; i < 8; i = i + 1) begin
            IIRin_p_r1[i] <= IIRin_p[i];
        end
    end
end		


IIR_Filter_p8	inst_iir_p0 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p[0]		),
				 	.dinp1			(IIRin_p_r1[7] 		),
				 	.dinp2			(IIRin_p_r1[6]		),
				 	.dinp3			(IIRin_p_r1[5]		),
				 	.dinp4			(IIRin_p_r1[4]		),
				 	.dinp5			(IIRin_p_r1[3]		),
				 	.dinp6			(IIRin_p_r1[2]		),
				 	.dinp7			(IIRin_p_r1[1]		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re		(ab_pow3_re		),
					.ab_pow3_im		(ab_pow3_im		),
					.ab_pow4_re		(ab_pow4_re		),
					.ab_pow4_im		(ab_pow4_im		),
					.ab_pow5_re		(ab_pow5_re		),
					.ab_pow5_im		(ab_pow5_im		),
					.ab_pow6_re		(ab_pow6_re		),
					.ab_pow6_im		(ab_pow6_im		),
					.ab_pow7_re		(ab_pow7_re		),
					.ab_pow7_im		(ab_pow7_im		),
					.b_pow8_re		(b_pow8_re		),
					.b_pow8_im		(b_pow8_im		),
					.dout                   (IIRout_p0              )
			   );

IIR_Filter_p8	inst_iir_p1 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p[1]		),
				 	.dinp1			(IIRin_p[0]		),
				 	.dinp2			(IIRin_p_r1[7]		),
				 	.dinp3			(IIRin_p_r1[6]		),
				 	.dinp4			(IIRin_p_r1[5]		),
				 	.dinp5			(IIRin_p_r1[4]		),
				 	.dinp6			(IIRin_p_r1[3]		),
				 	.dinp7			(IIRin_p_r1[2]		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re		(ab_pow3_re		),
					.ab_pow3_im		(ab_pow3_im		),
					.ab_pow4_re		(ab_pow4_re		),
					.ab_pow4_im		(ab_pow4_im		),
					.ab_pow5_re		(ab_pow5_re		),
					.ab_pow5_im		(ab_pow5_im		),
					.ab_pow6_re		(ab_pow6_re		),
					.ab_pow6_im		(ab_pow6_im		),
					.ab_pow7_re		(ab_pow7_re		),
					.ab_pow7_im		(ab_pow7_im		),
					.b_pow8_re		(b_pow8_re		),
					.b_pow8_im		(b_pow8_im		),
					.dout                   (IIRout_p1              )
			   );
IIR_Filter_p8	inst_iir_p2 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p[2]		),
				 	.dinp1			(IIRin_p[1]		),
				 	.dinp2			(IIRin_p[0]		),
				 	.dinp3			(IIRin_p_r1[7]		),
				 	.dinp4			(IIRin_p_r1[6]		),
				 	.dinp5			(IIRin_p_r1[5]		),
				 	.dinp6			(IIRin_p_r1[4]		),
				 	.dinp7			(IIRin_p_r1[3]		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re		(ab_pow3_re		),
					.ab_pow3_im		(ab_pow3_im		),
					.ab_pow4_re		(ab_pow4_re		),
					.ab_pow4_im		(ab_pow4_im		),
					.ab_pow5_re		(ab_pow5_re		),
					.ab_pow5_im		(ab_pow5_im		),
					.ab_pow6_re		(ab_pow6_re		),
					.ab_pow6_im		(ab_pow6_im		),
					.ab_pow7_re		(ab_pow7_re		),
					.ab_pow7_im		(ab_pow7_im		),
					.b_pow8_re		(b_pow8_re		),
					.b_pow8_im		(b_pow8_im		),
					.dout                   (IIRout_p2              )
			   );
IIR_Filter_p8	inst_iir_p3 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p[3]		),
				 	.dinp1			(IIRin_p[2]		),
				 	.dinp2			(IIRin_p[1]		),
				 	.dinp3			(IIRin_p[0]		),
				 	.dinp4			(IIRin_p_r1[7]		),
				 	.dinp5			(IIRin_p_r1[6]		),
				 	.dinp6			(IIRin_p_r1[5]		),
				 	.dinp7			(IIRin_p_r1[4]		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re		(ab_pow3_re		),
					.ab_pow3_im		(ab_pow3_im		),
					.ab_pow4_re		(ab_pow4_re		),
					.ab_pow4_im		(ab_pow4_im		),
					.ab_pow5_re		(ab_pow5_re		),
					.ab_pow5_im		(ab_pow5_im		),
					.ab_pow6_re		(ab_pow6_re		),
					.ab_pow6_im		(ab_pow6_im		),
					.ab_pow7_re		(ab_pow7_re		),
					.ab_pow7_im		(ab_pow7_im		),
					.b_pow8_re		(b_pow8_re		),
					.b_pow8_im		(b_pow8_im		),
					.dout                   (IIRout_p3              )
			   );
IIR_Filter_p8	inst_iir_p4 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p[4]		),
				 	.dinp1			(IIRin_p[3]		),
				 	.dinp2			(IIRin_p[2]		),
				 	.dinp3			(IIRin_p[1]		),
				 	.dinp4			(IIRin_p[0]		),
				 	.dinp5			(IIRin_p_r1[7]		),
				 	.dinp6			(IIRin_p_r1[6]		),
				 	.dinp7			(IIRin_p_r1[5]		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re		(ab_pow3_re		),
					.ab_pow3_im		(ab_pow3_im		),
					.ab_pow4_re		(ab_pow4_re		),
					.ab_pow4_im		(ab_pow4_im		),
					.ab_pow5_re		(ab_pow5_re		),
					.ab_pow5_im		(ab_pow5_im		),
					.ab_pow6_re		(ab_pow6_re		),
					.ab_pow6_im		(ab_pow6_im		),
					.ab_pow7_re		(ab_pow7_re		),
					.ab_pow7_im		(ab_pow7_im		),
					.b_pow8_re		(b_pow8_re		),
					.b_pow8_im		(b_pow8_im		),
					.dout                   (IIRout_p4              )
			   );
IIR_Filter_p8	inst_iir_p5 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p[5]		),
				 	.dinp1			(IIRin_p[4]		),
				 	.dinp2			(IIRin_p[3]		),
				 	.dinp3			(IIRin_p[2]		),
				 	.dinp4			(IIRin_p[1]		),
				 	.dinp5			(IIRin_p[0]		),
				 	.dinp6			(IIRin_p_r1[7]		),
				 	.dinp7			(IIRin_p_r1[6]		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re		(ab_pow3_re		),
					.ab_pow3_im		(ab_pow3_im		),
					.ab_pow4_re		(ab_pow4_re		),
					.ab_pow4_im		(ab_pow4_im		),
					.ab_pow5_re		(ab_pow5_re		),
					.ab_pow5_im		(ab_pow5_im		),
					.ab_pow6_re		(ab_pow6_re		),
					.ab_pow6_im		(ab_pow6_im		),
					.ab_pow7_re		(ab_pow7_re		),
					.ab_pow7_im		(ab_pow7_im		),
					.b_pow8_re		(b_pow8_re		),
					.b_pow8_im		(b_pow8_im		),
					.dout                   (IIRout_p5              )
			   );
IIR_Filter_p8	inst_iir_p6 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p[6]		),
				 	.dinp1			(IIRin_p[5]		),
				 	.dinp2			(IIRin_p[4]		),
				 	.dinp3			(IIRin_p[3]		),
				 	.dinp4			(IIRin_p[2]		),
				 	.dinp5			(IIRin_p[1]		),
				 	.dinp6			(IIRin_p[0]		),
				 	.dinp7			(IIRin_p_r1[7]		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re		(ab_pow3_re		),
					.ab_pow3_im		(ab_pow3_im		),
					.ab_pow4_re		(ab_pow4_re		),
					.ab_pow4_im		(ab_pow4_im		),
					.ab_pow5_re		(ab_pow5_re		),
					.ab_pow5_im		(ab_pow5_im		),
					.ab_pow6_re		(ab_pow6_re		),
					.ab_pow6_im		(ab_pow6_im		),
					.ab_pow7_re		(ab_pow7_re		),
					.ab_pow7_im		(ab_pow7_im		),
					.b_pow8_re		(b_pow8_re		),
					.b_pow8_im		(b_pow8_im		),
					.dout                   (IIRout_p6              )
			   );
IIR_Filter_p8	inst_iir_p7 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p[7]		),
				 	.dinp1			(IIRin_p[6]		),
				 	.dinp2			(IIRin_p[5]		),
				 	.dinp3			(IIRin_p[4]		),
				 	.dinp4			(IIRin_p[3]		),
				 	.dinp5			(IIRin_p[2]		),
				 	.dinp6			(IIRin_p[1]		),
				 	.dinp7			(IIRin_p[0]		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re		(ab_pow3_re		),
					.ab_pow3_im		(ab_pow3_im		),
					.ab_pow4_re		(ab_pow4_re		),
					.ab_pow4_im		(ab_pow4_im		),
					.ab_pow5_re		(ab_pow5_re		),
					.ab_pow5_im		(ab_pow5_im		),
					.ab_pow6_re		(ab_pow6_re		),
					.ab_pow6_im		(ab_pow6_im		),
					.ab_pow7_re		(ab_pow7_re		),
					.ab_pow7_im		(ab_pow7_im		),
					.b_pow8_re		(b_pow8_re		),
					.b_pow8_im		(b_pow8_im		),
					.dout                   (IIRout_p7              )
			   );

endmodule