//======================================================================
//
// Copyright (c) 2019, NORDUnet A/S All rights reserved.
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//======================================================================

localparam DSP48E1_A_W          = 30;
localparam DSP48E1_B_W          = 18;
localparam DSP48E1_C_W          = 48;
localparam DSP48E1_D_W          = 25;
localparam DSP48E1_P_W          = 48;
localparam DSP48E1_INMODE_W     = 5;
localparam DSP48E1_OPMODE_W     = 7;
localparam DSP48E1_ALUMODE_W    = 4;
localparam DSP48E1_CARRYINSEL_W = 3;
localparam DSP48E1_CARRYOUT_W   = 4;

localparam DSP48E1_OPMODE_X_DNC = 2'bXX;
localparam DSP48E1_OPMODE_X_0   = 2'b00;
localparam DSP48E1_OPMODE_X_AB  = 2'b11;

localparam DSP48E1_OPMODE_Y_DNC = 2'bXX;
localparam DSP48E1_OPMODE_Y_0   = 2'b00;
localparam DSP48E1_OPMODE_Y_C   = 2'b11;

localparam DSP48E1_OPMODE_Z_DNC    = 3'bXXX;
localparam DSP48E1_OPMODE_Z_0      = 3'b000;
localparam DSP48E1_OPMODE_Z_PCIN   = 3'b001;
localparam DSP48E1_OPMODE_Z_P17    = 3'b110;
localparam DSP48E1_OPMODE_Z_PCIN17 = 3'b101;
localparam DSP48E1_OPMODE_Z_P      = 3'b010;
localparam DSP48E1_OPMODE_Z_C      = 3'b011;

localparam DSP48E1_OPMODE_DNC = {DSP48E1_OPMODE_Z_DNC, DSP48E1_OPMODE_Y_DNC, DSP48E1_OPMODE_X_DNC};

localparam DSP48E1_OPMODE_Z0_YC_X0       = {DSP48E1_OPMODE_Z_0,      DSP48E1_OPMODE_Y_C, DSP48E1_OPMODE_X_0};
localparam DSP48E1_OPMODE_Z0_Y0_XAB      = {DSP48E1_OPMODE_Z_0,      DSP48E1_OPMODE_Y_0, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_Z0_YC_XAB      = {DSP48E1_OPMODE_Z_0,      DSP48E1_OPMODE_Y_C, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_ZC_Y0_XAB      = {DSP48E1_OPMODE_Z_C,      DSP48E1_OPMODE_Y_0, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_ZP_Y0_XAB      = {DSP48E1_OPMODE_Z_P,      DSP48E1_OPMODE_Y_0, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_ZP_YC_X0       = {DSP48E1_OPMODE_Z_P,      DSP48E1_OPMODE_Y_C, DSP48E1_OPMODE_X_0};
localparam DSP48E1_OPMODE_ZP_YC_XAB      = {DSP48E1_OPMODE_Z_P,      DSP48E1_OPMODE_Y_C, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_ZP17_Y0_XAB    = {DSP48E1_OPMODE_Z_P17,    DSP48E1_OPMODE_Y_0, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_ZP17_YC_XAB    = {DSP48E1_OPMODE_Z_P17,    DSP48E1_OPMODE_Y_C, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_ZP17_YC_X0     = {DSP48E1_OPMODE_Z_P17,    DSP48E1_OPMODE_Y_C, DSP48E1_OPMODE_X_0};
localparam DSP48E1_OPMODE_ZPCIN17_YC_XAB = {DSP48E1_OPMODE_Z_PCIN17, DSP48E1_OPMODE_Y_C, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_ZPCIN_Y0_XAB   = {DSP48E1_OPMODE_Z_PCIN,   DSP48E1_OPMODE_Y_0, DSP48E1_OPMODE_X_AB};
localparam DSP48E1_OPMODE_ZPCIN_YC_XAB   = {DSP48E1_OPMODE_Z_PCIN,   DSP48E1_OPMODE_Y_C, DSP48E1_OPMODE_X_AB};

localparam DSP48E1_CARRYINSEL_DNC          = 3'bXXX;
localparam DSP48E1_CARRYINSEL_CARRYIN      = 3'b000;
localparam DSP48E1_CARRYINSEL_CARRYCASCOUT = 3'b100;

localparam DSP48E1_ALUMODE_DNC                     = 4'bXXXX;
localparam DSP48E1_ALUMODE_Z_PLUS_X_AND_Y_AND_CIN  = 4'b0000;
localparam DSP48E1_ALUMODE_Z_MINUS_X_AND_Y_AND_CIN = 4'b0011;