Count connected fault regions in a tile map

module fault_region_counter (
  input  logic       clk,
  input  logic       rst_n,
  input  logic       cfg_valid,
  output logic       cfg_ready,
  input  logic [3:0] width,
  input  logic [3:0] height,
  input  logic       pix_valid,
  output logic       pix_ready,
  input  logic       pix_fault,
  input  logic       pix_last,
  output logic       result_valid,
  input  logic       result_ready,
  output logic [6:0] component_count
);
  typedef enum logic [2:0] {CONFIG, LOAD, SCAN, POP, EXPAND, RESULT} state_t;
  state_t state_q;
  logic [63:0] fault_q, visited_q;
  logic [5:0] stack_q [0:63];
  int unsigned width_q, height_q, total_q, load_q, scan_q, sp_q;
  int unsigned current_q;
  logic [1:0] direction_q;
  int unsigned components_q;
  logic neighbor_valid;
  int unsigned neighbor_addr;
  int unsigned current_col;

  assign cfg_ready = (state_q == CONFIG);
  assign pix_ready = (state_q == LOAD) && (load_q < total_q);
  assign result_valid = (state_q == RESULT);
  assign component_count = 7'(components_q);

  always_comb begin : decode_neighbor
    // TODO: Implement decode_neighbor using the supplied state and interface.
  end

  always_ff @(posedge clk) begin : load_and_count_regions
    // TODO: Implement load_and_count_regions using the supplied state and interface.
  end

endmodule